1d2b99310SHans Petter Selasky /* $FreeBSD$ */ 213540260SHans Petter Selasky /*- 3718cf2ccSPedro F. Giffuni * SPDX-License-Identifier: BSD-2-Clause-FreeBSD 4718cf2ccSPedro F. Giffuni * 513540260SHans Petter Selasky * Copyright (c) 2010 Hans Petter Selasky. All rights reserved. 613540260SHans Petter Selasky * 713540260SHans Petter Selasky * Redistribution and use in source and binary forms, with or without 813540260SHans Petter Selasky * modification, are permitted provided that the following conditions 913540260SHans Petter Selasky * are met: 1013540260SHans Petter Selasky * 1. Redistributions of source code must retain the above copyright 1113540260SHans Petter Selasky * notice, this list of conditions and the following disclaimer. 1213540260SHans Petter Selasky * 2. Redistributions in binary form must reproduce the above copyright 1313540260SHans Petter Selasky * notice, this list of conditions and the following disclaimer in the 1413540260SHans Petter Selasky * documentation and/or other materials provided with the distribution. 1513540260SHans Petter Selasky * 1613540260SHans Petter Selasky * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 1713540260SHans Petter Selasky * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 1813540260SHans Petter Selasky * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 1913540260SHans Petter Selasky * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 2013540260SHans Petter Selasky * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 2113540260SHans Petter Selasky * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 2213540260SHans Petter Selasky * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 2313540260SHans Petter Selasky * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 2413540260SHans Petter Selasky * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 2513540260SHans Petter Selasky * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 2613540260SHans Petter Selasky * SUCH DAMAGE. 2713540260SHans Petter Selasky */ 2813540260SHans Petter Selasky 2913540260SHans Petter Selasky /* 3013540260SHans Petter Selasky * USB eXtensible Host Controller Interface, a.k.a. USB 3.0 controller. 3113540260SHans Petter Selasky * 3213540260SHans Petter Selasky * The XHCI 1.0 spec can be found at 3313540260SHans Petter Selasky * http://www.intel.com/technology/usb/download/xHCI_Specification_for_USB.pdf 3413540260SHans Petter Selasky * and the USB 3.0 spec at 3513540260SHans Petter Selasky * http://www.usb.org/developers/docs/usb_30_spec_060910.zip 3613540260SHans Petter Selasky */ 3713540260SHans Petter Selasky 3813540260SHans Petter Selasky /* 3913540260SHans Petter Selasky * A few words about the design implementation: This driver emulates 4013540260SHans Petter Selasky * the concept about TDs which is found in EHCI specification. This 4176be9c89SHans Petter Selasky * way we achieve that the USB controller drivers look similar to 4276be9c89SHans Petter Selasky * eachother which makes it easier to understand the code. 4313540260SHans Petter Selasky */ 4413540260SHans Petter Selasky 45d2b99310SHans Petter Selasky #ifdef USB_GLOBAL_INCLUDE_FILE 46d2b99310SHans Petter Selasky #include USB_GLOBAL_INCLUDE_FILE 47d2b99310SHans Petter Selasky #else 4813540260SHans Petter Selasky #include <sys/stdint.h> 4913540260SHans Petter Selasky #include <sys/stddef.h> 5013540260SHans Petter Selasky #include <sys/param.h> 5113540260SHans Petter Selasky #include <sys/queue.h> 5213540260SHans Petter Selasky #include <sys/types.h> 5313540260SHans Petter Selasky #include <sys/systm.h> 5413540260SHans Petter Selasky #include <sys/kernel.h> 5513540260SHans Petter Selasky #include <sys/bus.h> 5613540260SHans Petter Selasky #include <sys/module.h> 5713540260SHans Petter Selasky #include <sys/lock.h> 5813540260SHans Petter Selasky #include <sys/mutex.h> 5913540260SHans Petter Selasky #include <sys/condvar.h> 6013540260SHans Petter Selasky #include <sys/sysctl.h> 6113540260SHans Petter Selasky #include <sys/sx.h> 6213540260SHans Petter Selasky #include <sys/unistd.h> 6313540260SHans Petter Selasky #include <sys/callout.h> 6413540260SHans Petter Selasky #include <sys/malloc.h> 6513540260SHans Petter Selasky #include <sys/priv.h> 6613540260SHans Petter Selasky 6713540260SHans Petter Selasky #include <dev/usb/usb.h> 6813540260SHans Petter Selasky #include <dev/usb/usbdi.h> 6913540260SHans Petter Selasky 7013540260SHans Petter Selasky #define USB_DEBUG_VAR xhcidebug 7113540260SHans Petter Selasky 7213540260SHans Petter Selasky #include <dev/usb/usb_core.h> 7313540260SHans Petter Selasky #include <dev/usb/usb_debug.h> 7413540260SHans Petter Selasky #include <dev/usb/usb_busdma.h> 7513540260SHans Petter Selasky #include <dev/usb/usb_process.h> 7613540260SHans Petter Selasky #include <dev/usb/usb_transfer.h> 7713540260SHans Petter Selasky #include <dev/usb/usb_device.h> 7813540260SHans Petter Selasky #include <dev/usb/usb_hub.h> 7913540260SHans Petter Selasky #include <dev/usb/usb_util.h> 8013540260SHans Petter Selasky 8113540260SHans Petter Selasky #include <dev/usb/usb_controller.h> 8213540260SHans Petter Selasky #include <dev/usb/usb_bus.h> 83d2b99310SHans Petter Selasky #endif /* USB_GLOBAL_INCLUDE_FILE */ 84d2b99310SHans Petter Selasky 8513540260SHans Petter Selasky #include <dev/usb/controller/xhci.h> 8613540260SHans Petter Selasky #include <dev/usb/controller/xhcireg.h> 8713540260SHans Petter Selasky 8813540260SHans Petter Selasky #define XHCI_BUS2SC(bus) \ 8913540260SHans Petter Selasky ((struct xhci_softc *)(((uint8_t *)(bus)) - \ 9013540260SHans Petter Selasky ((uint8_t *)&(((struct xhci_softc *)0)->sc_bus)))) 9113540260SHans Petter Selasky 92*f8d2b1f3SPawel Biernacki static SYSCTL_NODE(_hw_usb, OID_AUTO, xhci, CTLFLAG_RW | CTLFLAG_MPSAFE, 0, 93*f8d2b1f3SPawel Biernacki "USB XHCI"); 94549c5c87SHans Petter Selasky 95549c5c87SHans Petter Selasky static int xhcistreams; 96af3b2549SHans Petter Selasky SYSCTL_INT(_hw_usb_xhci, OID_AUTO, streams, CTLFLAG_RWTUN, 97549c5c87SHans Petter Selasky &xhcistreams, 0, "Set to enable streams mode support"); 98549c5c87SHans Petter Selasky 99ac66be41SHans Petter Selasky static int xhcictlquirk = 1; 100ac66be41SHans Petter Selasky SYSCTL_INT(_hw_usb_xhci, OID_AUTO, ctlquirk, CTLFLAG_RWTUN, 101ac66be41SHans Petter Selasky &xhcictlquirk, 0, "Set to enable control endpoint quirk"); 102ac66be41SHans Petter Selasky 10313540260SHans Petter Selasky #ifdef USB_DEBUG 104a0942dd7SHans Petter Selasky static int xhcidebug; 105a0942dd7SHans Petter Selasky static int xhciroute; 10697d729cfSHans Petter Selasky static int xhcipolling; 1072ac11c11SHans Petter Selasky static int xhcidma32; 108dd7ea6c2SHans Petter Selasky static int xhcictlstep; 10913540260SHans Petter Selasky 110af3b2549SHans Petter Selasky SYSCTL_INT(_hw_usb_xhci, OID_AUTO, debug, CTLFLAG_RWTUN, 11113540260SHans Petter Selasky &xhcidebug, 0, "Debug level"); 112af3b2549SHans Petter Selasky SYSCTL_INT(_hw_usb_xhci, OID_AUTO, xhci_port_route, CTLFLAG_RWTUN, 1132ac11c11SHans Petter Selasky &xhciroute, 0, "Routing bitmap for switching EHCI ports to the XHCI controller"); 114af3b2549SHans Petter Selasky SYSCTL_INT(_hw_usb_xhci, OID_AUTO, use_polling, CTLFLAG_RWTUN, 1152ac11c11SHans Petter Selasky &xhcipolling, 0, "Set to enable software interrupt polling for the XHCI controller"); 1162ac11c11SHans Petter Selasky SYSCTL_INT(_hw_usb_xhci, OID_AUTO, dma32, CTLFLAG_RWTUN, 1172ac11c11SHans Petter Selasky &xhcidma32, 0, "Set to only use 32-bit DMA for the XHCI controller"); 118dd7ea6c2SHans Petter Selasky SYSCTL_INT(_hw_usb_xhci, OID_AUTO, ctlstep, CTLFLAG_RWTUN, 119dd7ea6c2SHans Petter Selasky &xhcictlstep, 0, "Set to enable control endpoint status stage stepping"); 1204c5d1323SHans Petter Selasky #else 1214c5d1323SHans Petter Selasky #define xhciroute 0 1222ac11c11SHans Petter Selasky #define xhcidma32 0 123dd7ea6c2SHans Petter Selasky #define xhcictlstep 0 12413540260SHans Petter Selasky #endif 12513540260SHans Petter Selasky 12613540260SHans Petter Selasky #define XHCI_INTR_ENDPT 1 12713540260SHans Petter Selasky 12813540260SHans Petter Selasky struct xhci_std_temp { 12913540260SHans Petter Selasky struct xhci_softc *sc; 13013540260SHans Petter Selasky struct usb_page_cache *pc; 13113540260SHans Petter Selasky struct xhci_td *td; 13213540260SHans Petter Selasky struct xhci_td *td_next; 13313540260SHans Petter Selasky uint32_t len; 13413540260SHans Petter Selasky uint32_t offset; 13513540260SHans Petter Selasky uint32_t max_packet_size; 13613540260SHans Petter Selasky uint32_t average; 13713540260SHans Petter Selasky uint16_t isoc_delta; 13813540260SHans Petter Selasky uint16_t isoc_frame; 13913540260SHans Petter Selasky uint8_t shortpkt; 14013540260SHans Petter Selasky uint8_t multishort; 14113540260SHans Petter Selasky uint8_t last_frame; 14213540260SHans Petter Selasky uint8_t trb_type; 14313540260SHans Petter Selasky uint8_t direction; 14413540260SHans Petter Selasky uint8_t tbc; 14513540260SHans Petter Selasky uint8_t tlbpc; 14613540260SHans Petter Selasky uint8_t step_td; 1470a4cc48fSHans Petter Selasky uint8_t do_isoc_sync; 14813540260SHans Petter Selasky }; 14913540260SHans Petter Selasky 15013540260SHans Petter Selasky static void xhci_do_poll(struct usb_bus *); 15113540260SHans Petter Selasky static void xhci_device_done(struct usb_xfer *, usb_error_t); 15213540260SHans Petter Selasky static void xhci_root_intr(struct xhci_softc *); 15313540260SHans Petter Selasky static void xhci_free_device_ext(struct usb_device *); 15413540260SHans Petter Selasky static struct xhci_endpoint_ext *xhci_get_endpoint_ext(struct usb_device *, 15513540260SHans Petter Selasky struct usb_endpoint_descriptor *); 15613540260SHans Petter Selasky static usb_proc_callback_t xhci_configure_msg; 15713540260SHans Petter Selasky static usb_error_t xhci_configure_device(struct usb_device *); 15813540260SHans Petter Selasky static usb_error_t xhci_configure_endpoint(struct usb_device *, 159cfa00b0dSHans Petter Selasky struct usb_endpoint_descriptor *, struct xhci_endpoint_ext *, 160cfa00b0dSHans Petter Selasky uint16_t, uint8_t, uint8_t, uint8_t, uint16_t, uint16_t, 161cfa00b0dSHans Petter Selasky uint8_t); 16213540260SHans Petter Selasky static usb_error_t xhci_configure_mask(struct usb_device *, 16313540260SHans Petter Selasky uint32_t, uint8_t); 16413540260SHans Petter Selasky static usb_error_t xhci_cmd_evaluate_ctx(struct xhci_softc *, 16513540260SHans Petter Selasky uint64_t, uint8_t); 16613540260SHans Petter Selasky static void xhci_endpoint_doorbell(struct usb_xfer *); 167c1338c65SHans Petter Selasky static void xhci_ctx_set_le32(struct xhci_softc *sc, volatile uint32_t *ptr, uint32_t val); 168c1338c65SHans Petter Selasky static uint32_t xhci_ctx_get_le32(struct xhci_softc *sc, volatile uint32_t *ptr); 169c1338c65SHans Petter Selasky static void xhci_ctx_set_le64(struct xhci_softc *sc, volatile uint64_t *ptr, uint64_t val); 170c1338c65SHans Petter Selasky #ifdef USB_DEBUG 171c1338c65SHans Petter Selasky static uint64_t xhci_ctx_get_le64(struct xhci_softc *sc, volatile uint64_t *ptr); 172c1338c65SHans Petter Selasky #endif 17313540260SHans Petter Selasky 174e892b3feSHans Petter Selasky static const struct usb_bus_methods xhci_bus_methods; 17513540260SHans Petter Selasky 17613540260SHans Petter Selasky #ifdef USB_DEBUG 17713540260SHans Petter Selasky static void 17813540260SHans Petter Selasky xhci_dump_trb(struct xhci_trb *trb) 17913540260SHans Petter Selasky { 18013540260SHans Petter Selasky DPRINTFN(5, "trb = %p\n", trb); 18113540260SHans Petter Selasky DPRINTFN(5, "qwTrb0 = 0x%016llx\n", (long long)le64toh(trb->qwTrb0)); 18213540260SHans Petter Selasky DPRINTFN(5, "dwTrb2 = 0x%08x\n", le32toh(trb->dwTrb2)); 18313540260SHans Petter Selasky DPRINTFN(5, "dwTrb3 = 0x%08x\n", le32toh(trb->dwTrb3)); 18413540260SHans Petter Selasky } 18513540260SHans Petter Selasky 18613540260SHans Petter Selasky static void 187c1338c65SHans Petter Selasky xhci_dump_endpoint(struct xhci_softc *sc, struct xhci_endp_ctx *pep) 18813540260SHans Petter Selasky { 18913540260SHans Petter Selasky DPRINTFN(5, "pep = %p\n", pep); 190c1338c65SHans Petter Selasky DPRINTFN(5, "dwEpCtx0=0x%08x\n", xhci_ctx_get_le32(sc, &pep->dwEpCtx0)); 191c1338c65SHans Petter Selasky DPRINTFN(5, "dwEpCtx1=0x%08x\n", xhci_ctx_get_le32(sc, &pep->dwEpCtx1)); 192c1338c65SHans Petter Selasky DPRINTFN(5, "qwEpCtx2=0x%016llx\n", (long long)xhci_ctx_get_le64(sc, &pep->qwEpCtx2)); 193c1338c65SHans Petter Selasky DPRINTFN(5, "dwEpCtx4=0x%08x\n", xhci_ctx_get_le32(sc, &pep->dwEpCtx4)); 194c1338c65SHans Petter Selasky DPRINTFN(5, "dwEpCtx5=0x%08x\n", xhci_ctx_get_le32(sc, &pep->dwEpCtx5)); 195c1338c65SHans Petter Selasky DPRINTFN(5, "dwEpCtx6=0x%08x\n", xhci_ctx_get_le32(sc, &pep->dwEpCtx6)); 196c1338c65SHans Petter Selasky DPRINTFN(5, "dwEpCtx7=0x%08x\n", xhci_ctx_get_le32(sc, &pep->dwEpCtx7)); 19713540260SHans Petter Selasky } 19813540260SHans Petter Selasky 19913540260SHans Petter Selasky static void 200c1338c65SHans Petter Selasky xhci_dump_device(struct xhci_softc *sc, struct xhci_slot_ctx *psl) 20113540260SHans Petter Selasky { 20213540260SHans Petter Selasky DPRINTFN(5, "psl = %p\n", psl); 203c1338c65SHans Petter Selasky DPRINTFN(5, "dwSctx0=0x%08x\n", xhci_ctx_get_le32(sc, &psl->dwSctx0)); 204c1338c65SHans Petter Selasky DPRINTFN(5, "dwSctx1=0x%08x\n", xhci_ctx_get_le32(sc, &psl->dwSctx1)); 205c1338c65SHans Petter Selasky DPRINTFN(5, "dwSctx2=0x%08x\n", xhci_ctx_get_le32(sc, &psl->dwSctx2)); 206c1338c65SHans Petter Selasky DPRINTFN(5, "dwSctx3=0x%08x\n", xhci_ctx_get_le32(sc, &psl->dwSctx3)); 20713540260SHans Petter Selasky } 20813540260SHans Petter Selasky #endif 20913540260SHans Petter Selasky 21097d729cfSHans Petter Selasky uint8_t 21197d729cfSHans Petter Selasky xhci_use_polling(void) 21297d729cfSHans Petter Selasky { 21397d729cfSHans Petter Selasky #ifdef USB_DEBUG 21497d729cfSHans Petter Selasky return (xhcipolling != 0); 21597d729cfSHans Petter Selasky #else 21697d729cfSHans Petter Selasky return (0); 21797d729cfSHans Petter Selasky #endif 21897d729cfSHans Petter Selasky } 21997d729cfSHans Petter Selasky 22013540260SHans Petter Selasky static void 22113540260SHans Petter Selasky xhci_iterate_hw_softc(struct usb_bus *bus, usb_bus_mem_sub_cb_t *cb) 22213540260SHans Petter Selasky { 22313540260SHans Petter Selasky struct xhci_softc *sc = XHCI_BUS2SC(bus); 224bbd41717SHans Petter Selasky uint16_t i; 22513540260SHans Petter Selasky 22613540260SHans Petter Selasky cb(bus, &sc->sc_hw.root_pc, &sc->sc_hw.root_pg, 22713540260SHans Petter Selasky sizeof(struct xhci_hw_root), XHCI_PAGE_SIZE); 22813540260SHans Petter Selasky 22913540260SHans Petter Selasky cb(bus, &sc->sc_hw.ctx_pc, &sc->sc_hw.ctx_pg, 23013540260SHans Petter Selasky sizeof(struct xhci_dev_ctx_addr), XHCI_PAGE_SIZE); 23113540260SHans Petter Selasky 232bbd41717SHans Petter Selasky for (i = 0; i != sc->sc_noscratch; i++) { 23313540260SHans Petter Selasky cb(bus, &sc->sc_hw.scratch_pc[i], &sc->sc_hw.scratch_pg[i], 23413540260SHans Petter Selasky XHCI_PAGE_SIZE, XHCI_PAGE_SIZE); 23513540260SHans Petter Selasky } 23613540260SHans Petter Selasky } 23713540260SHans Petter Selasky 238c1338c65SHans Petter Selasky static void 239c1338c65SHans Petter Selasky xhci_ctx_set_le32(struct xhci_softc *sc, volatile uint32_t *ptr, uint32_t val) 240c1338c65SHans Petter Selasky { 241c1338c65SHans Petter Selasky if (sc->sc_ctx_is_64_byte) { 242c1338c65SHans Petter Selasky uint32_t offset; 243c1338c65SHans Petter Selasky /* exploit the fact that our structures are XHCI_PAGE_SIZE aligned */ 244c1338c65SHans Petter Selasky /* all contexts are initially 32-bytes */ 245c1338c65SHans Petter Selasky offset = ((uintptr_t)ptr) & ((XHCI_PAGE_SIZE - 1) & ~(31U)); 246c1338c65SHans Petter Selasky ptr = (volatile uint32_t *)(((volatile uint8_t *)ptr) + offset); 247c1338c65SHans Petter Selasky } 248c1338c65SHans Petter Selasky *ptr = htole32(val); 249c1338c65SHans Petter Selasky } 250c1338c65SHans Petter Selasky 251c1338c65SHans Petter Selasky static uint32_t 252c1338c65SHans Petter Selasky xhci_ctx_get_le32(struct xhci_softc *sc, volatile uint32_t *ptr) 253c1338c65SHans Petter Selasky { 254c1338c65SHans Petter Selasky if (sc->sc_ctx_is_64_byte) { 255c1338c65SHans Petter Selasky uint32_t offset; 256c1338c65SHans Petter Selasky /* exploit the fact that our structures are XHCI_PAGE_SIZE aligned */ 257c1338c65SHans Petter Selasky /* all contexts are initially 32-bytes */ 258c1338c65SHans Petter Selasky offset = ((uintptr_t)ptr) & ((XHCI_PAGE_SIZE - 1) & ~(31U)); 259c1338c65SHans Petter Selasky ptr = (volatile uint32_t *)(((volatile uint8_t *)ptr) + offset); 260c1338c65SHans Petter Selasky } 261c1338c65SHans Petter Selasky return (le32toh(*ptr)); 262c1338c65SHans Petter Selasky } 263c1338c65SHans Petter Selasky 264c1338c65SHans Petter Selasky static void 265c1338c65SHans Petter Selasky xhci_ctx_set_le64(struct xhci_softc *sc, volatile uint64_t *ptr, uint64_t val) 266c1338c65SHans Petter Selasky { 267c1338c65SHans Petter Selasky if (sc->sc_ctx_is_64_byte) { 268c1338c65SHans Petter Selasky uint32_t offset; 269c1338c65SHans Petter Selasky /* exploit the fact that our structures are XHCI_PAGE_SIZE aligned */ 270c1338c65SHans Petter Selasky /* all contexts are initially 32-bytes */ 271c1338c65SHans Petter Selasky offset = ((uintptr_t)ptr) & ((XHCI_PAGE_SIZE - 1) & ~(31U)); 272c1338c65SHans Petter Selasky ptr = (volatile uint64_t *)(((volatile uint8_t *)ptr) + offset); 273c1338c65SHans Petter Selasky } 274c1338c65SHans Petter Selasky *ptr = htole64(val); 275c1338c65SHans Petter Selasky } 276c1338c65SHans Petter Selasky 277c1338c65SHans Petter Selasky #ifdef USB_DEBUG 278c1338c65SHans Petter Selasky static uint64_t 279c1338c65SHans Petter Selasky xhci_ctx_get_le64(struct xhci_softc *sc, volatile uint64_t *ptr) 280c1338c65SHans Petter Selasky { 281c1338c65SHans Petter Selasky if (sc->sc_ctx_is_64_byte) { 282c1338c65SHans Petter Selasky uint32_t offset; 283c1338c65SHans Petter Selasky /* exploit the fact that our structures are XHCI_PAGE_SIZE aligned */ 284c1338c65SHans Petter Selasky /* all contexts are initially 32-bytes */ 285c1338c65SHans Petter Selasky offset = ((uintptr_t)ptr) & ((XHCI_PAGE_SIZE - 1) & ~(31U)); 286c1338c65SHans Petter Selasky ptr = (volatile uint64_t *)(((volatile uint8_t *)ptr) + offset); 287c1338c65SHans Petter Selasky } 288c1338c65SHans Petter Selasky return (le64toh(*ptr)); 289c1338c65SHans Petter Selasky } 290c1338c65SHans Petter Selasky #endif 291c1338c65SHans Petter Selasky 292563ab081SHans Petter Selasky static int 293563ab081SHans Petter Selasky xhci_reset_command_queue_locked(struct xhci_softc *sc) 294563ab081SHans Petter Selasky { 295563ab081SHans Petter Selasky struct usb_page_search buf_res; 296563ab081SHans Petter Selasky struct xhci_hw_root *phwr; 297563ab081SHans Petter Selasky uint64_t addr; 298563ab081SHans Petter Selasky uint32_t temp; 299563ab081SHans Petter Selasky 300563ab081SHans Petter Selasky DPRINTF("\n"); 301563ab081SHans Petter Selasky 302563ab081SHans Petter Selasky temp = XREAD4(sc, oper, XHCI_CRCR_LO); 303563ab081SHans Petter Selasky if (temp & XHCI_CRCR_LO_CRR) { 304563ab081SHans Petter Selasky DPRINTF("Command ring running\n"); 305563ab081SHans Petter Selasky temp &= ~(XHCI_CRCR_LO_CS | XHCI_CRCR_LO_CA); 306563ab081SHans Petter Selasky 307563ab081SHans Petter Selasky /* 308563ab081SHans Petter Selasky * Try to abort the last command as per section 309563ab081SHans Petter Selasky * 4.6.1.2 "Aborting a Command" of the XHCI 310563ab081SHans Petter Selasky * specification: 311563ab081SHans Petter Selasky */ 312563ab081SHans Petter Selasky 313563ab081SHans Petter Selasky /* stop and cancel */ 314563ab081SHans Petter Selasky XWRITE4(sc, oper, XHCI_CRCR_LO, temp | XHCI_CRCR_LO_CS); 315563ab081SHans Petter Selasky XWRITE4(sc, oper, XHCI_CRCR_HI, 0); 316563ab081SHans Petter Selasky 317563ab081SHans Petter Selasky XWRITE4(sc, oper, XHCI_CRCR_LO, temp | XHCI_CRCR_LO_CA); 318563ab081SHans Petter Selasky XWRITE4(sc, oper, XHCI_CRCR_HI, 0); 319563ab081SHans Petter Selasky 320563ab081SHans Petter Selasky /* wait 250ms */ 321563ab081SHans Petter Selasky usb_pause_mtx(&sc->sc_bus.bus_mtx, hz / 4); 322563ab081SHans Petter Selasky 323563ab081SHans Petter Selasky /* check if command ring is still running */ 324563ab081SHans Petter Selasky temp = XREAD4(sc, oper, XHCI_CRCR_LO); 325563ab081SHans Petter Selasky if (temp & XHCI_CRCR_LO_CRR) { 326563ab081SHans Petter Selasky DPRINTF("Comand ring still running\n"); 327563ab081SHans Petter Selasky return (USB_ERR_IOERROR); 328563ab081SHans Petter Selasky } 329563ab081SHans Petter Selasky } 330563ab081SHans Petter Selasky 331563ab081SHans Petter Selasky /* reset command ring */ 332563ab081SHans Petter Selasky sc->sc_command_ccs = 1; 333563ab081SHans Petter Selasky sc->sc_command_idx = 0; 334563ab081SHans Petter Selasky 335563ab081SHans Petter Selasky usbd_get_page(&sc->sc_hw.root_pc, 0, &buf_res); 336563ab081SHans Petter Selasky 337563ab081SHans Petter Selasky /* set up command ring control base address */ 338563ab081SHans Petter Selasky addr = buf_res.physaddr; 339563ab081SHans Petter Selasky phwr = buf_res.buffer; 340563ab081SHans Petter Selasky addr += (uintptr_t)&((struct xhci_hw_root *)0)->hwr_commands[0]; 341563ab081SHans Petter Selasky 342563ab081SHans Petter Selasky DPRINTF("CRCR=0x%016llx\n", (unsigned long long)addr); 343563ab081SHans Petter Selasky 344563ab081SHans Petter Selasky memset(phwr->hwr_commands, 0, sizeof(phwr->hwr_commands)); 345563ab081SHans Petter Selasky phwr->hwr_commands[XHCI_MAX_COMMANDS - 1].qwTrb0 = htole64(addr); 346563ab081SHans Petter Selasky 347563ab081SHans Petter Selasky usb_pc_cpu_flush(&sc->sc_hw.root_pc); 348563ab081SHans Petter Selasky 349563ab081SHans Petter Selasky XWRITE4(sc, oper, XHCI_CRCR_LO, ((uint32_t)addr) | XHCI_CRCR_LO_RCS); 350563ab081SHans Petter Selasky XWRITE4(sc, oper, XHCI_CRCR_HI, (uint32_t)(addr >> 32)); 351563ab081SHans Petter Selasky 352563ab081SHans Petter Selasky return (0); 353563ab081SHans Petter Selasky } 354563ab081SHans Petter Selasky 35513540260SHans Petter Selasky usb_error_t 35613540260SHans Petter Selasky xhci_start_controller(struct xhci_softc *sc) 35713540260SHans Petter Selasky { 35813540260SHans Petter Selasky struct usb_page_search buf_res; 35913540260SHans Petter Selasky struct xhci_hw_root *phwr; 36013540260SHans Petter Selasky struct xhci_dev_ctx_addr *pdctxa; 361f515174bSHans Petter Selasky usb_error_t err; 36213540260SHans Petter Selasky uint64_t addr; 36313540260SHans Petter Selasky uint32_t temp; 36413540260SHans Petter Selasky uint16_t i; 36513540260SHans Petter Selasky 36613540260SHans Petter Selasky DPRINTF("\n"); 36713540260SHans Petter Selasky 36813540260SHans Petter Selasky sc->sc_event_ccs = 1; 36913540260SHans Petter Selasky sc->sc_event_idx = 0; 37013540260SHans Petter Selasky sc->sc_command_ccs = 1; 37113540260SHans Petter Selasky sc->sc_command_idx = 0; 37213540260SHans Petter Selasky 373f515174bSHans Petter Selasky err = xhci_reset_controller(sc); 374f515174bSHans Petter Selasky if (err) 375f515174bSHans Petter Selasky return (err); 37613540260SHans Petter Selasky 37713540260SHans Petter Selasky /* set up number of device slots */ 37813540260SHans Petter Selasky DPRINTF("CONFIG=0x%08x -> 0x%08x\n", 37913540260SHans Petter Selasky XREAD4(sc, oper, XHCI_CONFIG), sc->sc_noslot); 38013540260SHans Petter Selasky 38113540260SHans Petter Selasky XWRITE4(sc, oper, XHCI_CONFIG, sc->sc_noslot); 38213540260SHans Petter Selasky 38313540260SHans Petter Selasky temp = XREAD4(sc, oper, XHCI_USBSTS); 38413540260SHans Petter Selasky 38513540260SHans Petter Selasky /* clear interrupts */ 38613540260SHans Petter Selasky XWRITE4(sc, oper, XHCI_USBSTS, temp); 38713540260SHans Petter Selasky /* disable all device notifications */ 38813540260SHans Petter Selasky XWRITE4(sc, oper, XHCI_DNCTRL, 0); 38913540260SHans Petter Selasky 39013540260SHans Petter Selasky /* set up device context base address */ 39113540260SHans Petter Selasky usbd_get_page(&sc->sc_hw.ctx_pc, 0, &buf_res); 39213540260SHans Petter Selasky pdctxa = buf_res.buffer; 39313540260SHans Petter Selasky memset(pdctxa, 0, sizeof(*pdctxa)); 39413540260SHans Petter Selasky 39513540260SHans Petter Selasky addr = buf_res.physaddr; 39613540260SHans Petter Selasky addr += (uintptr_t)&((struct xhci_dev_ctx_addr *)0)->qwSpBufPtr[0]; 39713540260SHans Petter Selasky 39813540260SHans Petter Selasky /* slot 0 points to the table of scratchpad pointers */ 39913540260SHans Petter Selasky pdctxa->qwBaaDevCtxAddr[0] = htole64(addr); 40013540260SHans Petter Selasky 40113540260SHans Petter Selasky for (i = 0; i != sc->sc_noscratch; i++) { 40213540260SHans Petter Selasky struct usb_page_search buf_scp; 40313540260SHans Petter Selasky usbd_get_page(&sc->sc_hw.scratch_pc[i], 0, &buf_scp); 40413540260SHans Petter Selasky pdctxa->qwSpBufPtr[i] = htole64((uint64_t)buf_scp.physaddr); 40513540260SHans Petter Selasky } 40613540260SHans Petter Selasky 40713540260SHans Petter Selasky addr = buf_res.physaddr; 40813540260SHans Petter Selasky 40913540260SHans Petter Selasky XWRITE4(sc, oper, XHCI_DCBAAP_LO, (uint32_t)addr); 41013540260SHans Petter Selasky XWRITE4(sc, oper, XHCI_DCBAAP_HI, (uint32_t)(addr >> 32)); 41113540260SHans Petter Selasky XWRITE4(sc, oper, XHCI_DCBAAP_LO, (uint32_t)addr); 41213540260SHans Petter Selasky XWRITE4(sc, oper, XHCI_DCBAAP_HI, (uint32_t)(addr >> 32)); 41313540260SHans Petter Selasky 41443bc87c4SMarius Strobl /* set up event table size */ 41513540260SHans Petter Selasky DPRINTF("ERSTSZ=0x%08x -> 0x%08x\n", 41643bc87c4SMarius Strobl XREAD4(sc, runt, XHCI_ERSTSZ(0)), sc->sc_erst_max); 41713540260SHans Petter Selasky 41843bc87c4SMarius Strobl XWRITE4(sc, runt, XHCI_ERSTSZ(0), XHCI_ERSTS_SET(sc->sc_erst_max)); 41913540260SHans Petter Selasky 42043bc87c4SMarius Strobl /* set up interrupt rate */ 4218237c62bSHans Petter Selasky XWRITE4(sc, runt, XHCI_IMOD(0), sc->sc_imod_default); 42213540260SHans Petter Selasky 42313540260SHans Petter Selasky usbd_get_page(&sc->sc_hw.root_pc, 0, &buf_res); 42413540260SHans Petter Selasky 42513540260SHans Petter Selasky phwr = buf_res.buffer; 42613540260SHans Petter Selasky addr = buf_res.physaddr; 42713540260SHans Petter Selasky addr += (uintptr_t)&((struct xhci_hw_root *)0)->hwr_events[0]; 42813540260SHans Petter Selasky 42913540260SHans Petter Selasky /* reset hardware root structure */ 43013540260SHans Petter Selasky memset(phwr, 0, sizeof(*phwr)); 43113540260SHans Petter Selasky 43213540260SHans Petter Selasky phwr->hwr_ring_seg[0].qwEvrsTablePtr = htole64(addr); 43313540260SHans Petter Selasky phwr->hwr_ring_seg[0].dwEvrsTableSize = htole32(XHCI_MAX_EVENTS); 43413540260SHans Petter Selasky 43513540260SHans Petter Selasky DPRINTF("ERDP(0)=0x%016llx\n", (unsigned long long)addr); 43613540260SHans Petter Selasky 43713540260SHans Petter Selasky XWRITE4(sc, runt, XHCI_ERDP_LO(0), (uint32_t)addr); 43813540260SHans Petter Selasky XWRITE4(sc, runt, XHCI_ERDP_HI(0), (uint32_t)(addr >> 32)); 43913540260SHans Petter Selasky 440a2a78645SHans Petter Selasky addr = buf_res.physaddr; 44113540260SHans Petter Selasky 44213540260SHans Petter Selasky DPRINTF("ERSTBA(0)=0x%016llx\n", (unsigned long long)addr); 44313540260SHans Petter Selasky 44413540260SHans Petter Selasky XWRITE4(sc, runt, XHCI_ERSTBA_LO(0), (uint32_t)addr); 44513540260SHans Petter Selasky XWRITE4(sc, runt, XHCI_ERSTBA_HI(0), (uint32_t)(addr >> 32)); 44613540260SHans Petter Selasky 44743bc87c4SMarius Strobl /* set up interrupter registers */ 44813540260SHans Petter Selasky temp = XREAD4(sc, runt, XHCI_IMAN(0)); 44913540260SHans Petter Selasky temp |= XHCI_IMAN_INTR_ENA; 45013540260SHans Petter Selasky XWRITE4(sc, runt, XHCI_IMAN(0), temp); 45113540260SHans Petter Selasky 45213540260SHans Petter Selasky /* set up command ring control base address */ 45313540260SHans Petter Selasky addr = buf_res.physaddr; 45413540260SHans Petter Selasky addr += (uintptr_t)&((struct xhci_hw_root *)0)->hwr_commands[0]; 45513540260SHans Petter Selasky 45613540260SHans Petter Selasky DPRINTF("CRCR=0x%016llx\n", (unsigned long long)addr); 45713540260SHans Petter Selasky 45813540260SHans Petter Selasky XWRITE4(sc, oper, XHCI_CRCR_LO, ((uint32_t)addr) | XHCI_CRCR_LO_RCS); 45913540260SHans Petter Selasky XWRITE4(sc, oper, XHCI_CRCR_HI, (uint32_t)(addr >> 32)); 46013540260SHans Petter Selasky 46113540260SHans Petter Selasky phwr->hwr_commands[XHCI_MAX_COMMANDS - 1].qwTrb0 = htole64(addr); 46213540260SHans Petter Selasky 46313540260SHans Petter Selasky usb_bus_mem_flush_all(&sc->sc_bus, &xhci_iterate_hw_softc); 46413540260SHans Petter Selasky 46513540260SHans Petter Selasky /* Go! */ 46613540260SHans Petter Selasky XWRITE4(sc, oper, XHCI_USBCMD, XHCI_CMD_RS | 46713540260SHans Petter Selasky XHCI_CMD_INTE | XHCI_CMD_HSEE); 46813540260SHans Petter Selasky 46913540260SHans Petter Selasky for (i = 0; i != 100; i++) { 47096ef9420SHans Petter Selasky usb_pause_mtx(NULL, hz / 100); 47113540260SHans Petter Selasky temp = XREAD4(sc, oper, XHCI_USBSTS) & XHCI_STS_HCH; 47213540260SHans Petter Selasky if (!temp) 47313540260SHans Petter Selasky break; 47413540260SHans Petter Selasky } 47513540260SHans Petter Selasky if (temp) { 47613540260SHans Petter Selasky XWRITE4(sc, oper, XHCI_USBCMD, 0); 47713540260SHans Petter Selasky device_printf(sc->sc_bus.parent, "Run timeout.\n"); 47813540260SHans Petter Selasky return (USB_ERR_IOERROR); 47913540260SHans Petter Selasky } 48013540260SHans Petter Selasky 48113540260SHans Petter Selasky /* catch any lost interrupts */ 48213540260SHans Petter Selasky xhci_do_poll(&sc->sc_bus); 48313540260SHans Petter Selasky 4844c5d1323SHans Petter Selasky if (sc->sc_port_route != NULL) { 4854c5d1323SHans Petter Selasky /* Route all ports to the XHCI by default */ 4864c5d1323SHans Petter Selasky sc->sc_port_route(sc->sc_bus.parent, 4874c5d1323SHans Petter Selasky ~xhciroute, xhciroute); 4884c5d1323SHans Petter Selasky } 48913540260SHans Petter Selasky return (0); 49013540260SHans Petter Selasky } 49113540260SHans Petter Selasky 49213540260SHans Petter Selasky usb_error_t 49313540260SHans Petter Selasky xhci_halt_controller(struct xhci_softc *sc) 49413540260SHans Petter Selasky { 49513540260SHans Petter Selasky uint32_t temp; 49613540260SHans Petter Selasky uint16_t i; 49713540260SHans Petter Selasky 49813540260SHans Petter Selasky DPRINTF("\n"); 49913540260SHans Petter Selasky 50013540260SHans Petter Selasky sc->sc_capa_off = 0; 50113540260SHans Petter Selasky sc->sc_oper_off = XREAD1(sc, capa, XHCI_CAPLENGTH); 50213540260SHans Petter Selasky sc->sc_runt_off = XREAD4(sc, capa, XHCI_RTSOFF) & ~0xF; 50313540260SHans Petter Selasky sc->sc_door_off = XREAD4(sc, capa, XHCI_DBOFF) & ~0x3; 50413540260SHans Petter Selasky 50513540260SHans Petter Selasky /* Halt controller */ 50613540260SHans Petter Selasky XWRITE4(sc, oper, XHCI_USBCMD, 0); 50713540260SHans Petter Selasky 50813540260SHans Petter Selasky for (i = 0; i != 100; i++) { 50996ef9420SHans Petter Selasky usb_pause_mtx(NULL, hz / 100); 51013540260SHans Petter Selasky temp = XREAD4(sc, oper, XHCI_USBSTS) & XHCI_STS_HCH; 51113540260SHans Petter Selasky if (temp) 51213540260SHans Petter Selasky break; 51313540260SHans Petter Selasky } 51413540260SHans Petter Selasky 51513540260SHans Petter Selasky if (!temp) { 51613540260SHans Petter Selasky device_printf(sc->sc_bus.parent, "Controller halt timeout.\n"); 51713540260SHans Petter Selasky return (USB_ERR_IOERROR); 51813540260SHans Petter Selasky } 51913540260SHans Petter Selasky return (0); 52013540260SHans Petter Selasky } 52113540260SHans Petter Selasky 52213540260SHans Petter Selasky usb_error_t 523f515174bSHans Petter Selasky xhci_reset_controller(struct xhci_softc *sc) 524f515174bSHans Petter Selasky { 525f515174bSHans Petter Selasky uint32_t temp = 0; 526f515174bSHans Petter Selasky uint16_t i; 527f515174bSHans Petter Selasky 528f515174bSHans Petter Selasky DPRINTF("\n"); 529f515174bSHans Petter Selasky 530f515174bSHans Petter Selasky /* Reset controller */ 531f515174bSHans Petter Selasky XWRITE4(sc, oper, XHCI_USBCMD, XHCI_CMD_HCRST); 532f515174bSHans Petter Selasky 533f515174bSHans Petter Selasky for (i = 0; i != 100; i++) { 534f515174bSHans Petter Selasky usb_pause_mtx(NULL, hz / 100); 535f515174bSHans Petter Selasky temp = (XREAD4(sc, oper, XHCI_USBCMD) & XHCI_CMD_HCRST) | 536f515174bSHans Petter Selasky (XREAD4(sc, oper, XHCI_USBSTS) & XHCI_STS_CNR); 537f515174bSHans Petter Selasky if (!temp) 538f515174bSHans Petter Selasky break; 539f515174bSHans Petter Selasky } 540f515174bSHans Petter Selasky 541f515174bSHans Petter Selasky if (temp) { 542f515174bSHans Petter Selasky device_printf(sc->sc_bus.parent, "Controller " 543f515174bSHans Petter Selasky "reset timeout.\n"); 544f515174bSHans Petter Selasky return (USB_ERR_IOERROR); 545f515174bSHans Petter Selasky } 546f515174bSHans Petter Selasky return (0); 547f515174bSHans Petter Selasky } 548f515174bSHans Petter Selasky 549f515174bSHans Petter Selasky usb_error_t 5502ac11c11SHans Petter Selasky xhci_init(struct xhci_softc *sc, device_t self, uint8_t dma32) 55113540260SHans Petter Selasky { 552b217d184SHans Petter Selasky uint32_t temp; 553b217d184SHans Petter Selasky 554b217d184SHans Petter Selasky DPRINTF("\n"); 555b217d184SHans Petter Selasky 556b217d184SHans Petter Selasky /* initialize some bus fields */ 55713540260SHans Petter Selasky sc->sc_bus.parent = self; 55813540260SHans Petter Selasky 55913540260SHans Petter Selasky /* set the bus revision */ 56013540260SHans Petter Selasky sc->sc_bus.usbrev = USB_REV_3_0; 56113540260SHans Petter Selasky 56213540260SHans Petter Selasky /* set up the bus struct */ 56313540260SHans Petter Selasky sc->sc_bus.methods = &xhci_bus_methods; 56413540260SHans Petter Selasky 56513540260SHans Petter Selasky /* set up devices array */ 56613540260SHans Petter Selasky sc->sc_bus.devices = sc->sc_devices; 56713540260SHans Petter Selasky sc->sc_bus.devices_max = XHCI_MAX_DEVICES; 56813540260SHans Petter Selasky 569a4a51f05SHans Petter Selasky /* set default cycle state in case of early interrupts */ 570a4a51f05SHans Petter Selasky sc->sc_event_ccs = 1; 571a4a51f05SHans Petter Selasky sc->sc_command_ccs = 1; 572a4a51f05SHans Petter Selasky 573b217d184SHans Petter Selasky /* set up bus space offsets */ 574b217d184SHans Petter Selasky sc->sc_capa_off = 0; 575b217d184SHans Petter Selasky sc->sc_oper_off = XREAD1(sc, capa, XHCI_CAPLENGTH); 576b217d184SHans Petter Selasky sc->sc_runt_off = XREAD4(sc, capa, XHCI_RTSOFF) & ~0x1F; 577b217d184SHans Petter Selasky sc->sc_door_off = XREAD4(sc, capa, XHCI_DBOFF) & ~0x3; 578b217d184SHans Petter Selasky 579b217d184SHans Petter Selasky DPRINTF("CAPLENGTH=0x%x\n", sc->sc_oper_off); 580b217d184SHans Petter Selasky DPRINTF("RUNTIMEOFFSET=0x%x\n", sc->sc_runt_off); 581b217d184SHans Petter Selasky DPRINTF("DOOROFFSET=0x%x\n", sc->sc_door_off); 582b217d184SHans Petter Selasky 583b217d184SHans Petter Selasky DPRINTF("xHCI version = 0x%04x\n", XREAD2(sc, capa, XHCI_HCIVERSION)); 584b217d184SHans Petter Selasky 58543bc87c4SMarius Strobl if (!(XREAD4(sc, oper, XHCI_PAGESIZE) & XHCI_PAGESIZE_4K)) { 58643bc87c4SMarius Strobl device_printf(sc->sc_bus.parent, "Controller does " 58743bc87c4SMarius Strobl "not support 4K page size.\n"); 58843bc87c4SMarius Strobl return (ENXIO); 58943bc87c4SMarius Strobl } 59043bc87c4SMarius Strobl 591b217d184SHans Petter Selasky temp = XREAD4(sc, capa, XHCI_HCSPARAMS0); 592b217d184SHans Petter Selasky 593b217d184SHans Petter Selasky DPRINTF("HCS0 = 0x%08x\n", temp); 594b217d184SHans Petter Selasky 595b217d184SHans Petter Selasky /* set up context size */ 596b217d184SHans Petter Selasky if (XHCI_HCS0_CSZ(temp)) { 597b217d184SHans Petter Selasky sc->sc_ctx_is_64_byte = 1; 598b217d184SHans Petter Selasky } else { 599b217d184SHans Petter Selasky sc->sc_ctx_is_64_byte = 0; 600b217d184SHans Petter Selasky } 601b217d184SHans Petter Selasky 602b217d184SHans Petter Selasky /* get DMA bits */ 6032ac11c11SHans Petter Selasky sc->sc_bus.dma_bits = (XHCI_HCS0_AC64(temp) && 6042ac11c11SHans Petter Selasky xhcidma32 == 0 && dma32 == 0) ? 64 : 32; 605b217d184SHans Petter Selasky 606b217d184SHans Petter Selasky device_printf(self, "%d bytes context size, %d-bit DMA\n", 607b217d184SHans Petter Selasky sc->sc_ctx_is_64_byte ? 64 : 32, (int)sc->sc_bus.dma_bits); 60813540260SHans Petter Selasky 6097fca0e69SHans Petter Selasky /* enable 64Kbyte control endpoint quirk */ 610ac66be41SHans Petter Selasky sc->sc_bus.control_ep_quirk = (xhcictlquirk ? 1 : 0); 6117fca0e69SHans Petter Selasky 61243bc87c4SMarius Strobl temp = XREAD4(sc, capa, XHCI_HCSPARAMS1); 61343bc87c4SMarius Strobl 61443bc87c4SMarius Strobl /* get number of device slots */ 61543bc87c4SMarius Strobl sc->sc_noport = XHCI_HCS1_N_PORTS(temp); 61643bc87c4SMarius Strobl 61743bc87c4SMarius Strobl if (sc->sc_noport == 0) { 61843bc87c4SMarius Strobl device_printf(sc->sc_bus.parent, "Invalid number " 61943bc87c4SMarius Strobl "of ports: %u\n", sc->sc_noport); 62043bc87c4SMarius Strobl return (ENXIO); 62143bc87c4SMarius Strobl } 62243bc87c4SMarius Strobl 62343bc87c4SMarius Strobl sc->sc_noport = sc->sc_noport; 62443bc87c4SMarius Strobl sc->sc_noslot = XHCI_HCS1_DEVSLOT_MAX(temp); 62543bc87c4SMarius Strobl 62643bc87c4SMarius Strobl DPRINTF("Max slots: %u\n", sc->sc_noslot); 62743bc87c4SMarius Strobl 62843bc87c4SMarius Strobl if (sc->sc_noslot > XHCI_MAX_DEVICES) 62943bc87c4SMarius Strobl sc->sc_noslot = XHCI_MAX_DEVICES; 63043bc87c4SMarius Strobl 63143bc87c4SMarius Strobl temp = XREAD4(sc, capa, XHCI_HCSPARAMS2); 63243bc87c4SMarius Strobl 63343bc87c4SMarius Strobl DPRINTF("HCS2=0x%08x\n", temp); 63443bc87c4SMarius Strobl 63543bc87c4SMarius Strobl /* get number of scratchpads */ 63643bc87c4SMarius Strobl sc->sc_noscratch = XHCI_HCS2_SPB_MAX(temp); 63743bc87c4SMarius Strobl 63843bc87c4SMarius Strobl if (sc->sc_noscratch > XHCI_MAX_SCRATCHPADS) { 63943bc87c4SMarius Strobl device_printf(sc->sc_bus.parent, "XHCI request " 64043bc87c4SMarius Strobl "too many scratchpads\n"); 64143bc87c4SMarius Strobl return (ENOMEM); 64243bc87c4SMarius Strobl } 64343bc87c4SMarius Strobl 64443bc87c4SMarius Strobl DPRINTF("Max scratch: %u\n", sc->sc_noscratch); 64543bc87c4SMarius Strobl 64643bc87c4SMarius Strobl /* get event table size */ 64743bc87c4SMarius Strobl sc->sc_erst_max = 1U << XHCI_HCS2_ERST_MAX(temp); 64843bc87c4SMarius Strobl if (sc->sc_erst_max > XHCI_MAX_RSEG) 64943bc87c4SMarius Strobl sc->sc_erst_max = XHCI_MAX_RSEG; 65043bc87c4SMarius Strobl 65143bc87c4SMarius Strobl temp = XREAD4(sc, capa, XHCI_HCSPARAMS3); 65243bc87c4SMarius Strobl 65343bc87c4SMarius Strobl /* get maximum exit latency */ 65443bc87c4SMarius Strobl sc->sc_exit_lat_max = XHCI_HCS3_U1_DEL(temp) + 65543bc87c4SMarius Strobl XHCI_HCS3_U2_DEL(temp) + 250 /* us */; 65643bc87c4SMarius Strobl 65743bc87c4SMarius Strobl /* Check if we should use the default IMOD value. */ 65843bc87c4SMarius Strobl if (sc->sc_imod_default == 0) 65943bc87c4SMarius Strobl sc->sc_imod_default = XHCI_IMOD_DEFAULT; 66043bc87c4SMarius Strobl 66113540260SHans Petter Selasky /* get all DMA memory */ 66213540260SHans Petter Selasky if (usb_bus_mem_alloc_all(&sc->sc_bus, 66313540260SHans Petter Selasky USB_GET_DMA_TAG(self), &xhci_iterate_hw_softc)) { 66413540260SHans Petter Selasky return (ENOMEM); 66513540260SHans Petter Selasky } 66613540260SHans Petter Selasky 667b217d184SHans Petter Selasky /* set up command queue mutex and condition varible */ 668b217d184SHans Petter Selasky cv_init(&sc->sc_cmd_cv, "CMDQ"); 669b217d184SHans Petter Selasky sx_init(&sc->sc_cmd_sx, "CMDQ lock"); 670b217d184SHans Petter Selasky 67113540260SHans Petter Selasky sc->sc_config_msg[0].hdr.pm_callback = &xhci_configure_msg; 67213540260SHans Petter Selasky sc->sc_config_msg[0].bus = &sc->sc_bus; 67313540260SHans Petter Selasky sc->sc_config_msg[1].hdr.pm_callback = &xhci_configure_msg; 67413540260SHans Petter Selasky sc->sc_config_msg[1].bus = &sc->sc_bus; 67513540260SHans Petter Selasky 67613540260SHans Petter Selasky return (0); 67713540260SHans Petter Selasky } 67813540260SHans Petter Selasky 67913540260SHans Petter Selasky void 68013540260SHans Petter Selasky xhci_uninit(struct xhci_softc *sc) 68113540260SHans Petter Selasky { 6820cfbd57eSHans Petter Selasky /* 6830cfbd57eSHans Petter Selasky * NOTE: At this point the control transfer process is gone 6840cfbd57eSHans Petter Selasky * and "xhci_configure_msg" is no longer called. Consequently 6850cfbd57eSHans Petter Selasky * waiting for the configuration messages to complete is not 6860cfbd57eSHans Petter Selasky * needed. 6870cfbd57eSHans Petter Selasky */ 68813540260SHans Petter Selasky usb_bus_mem_free_all(&sc->sc_bus, &xhci_iterate_hw_softc); 68913540260SHans Petter Selasky 69013540260SHans Petter Selasky cv_destroy(&sc->sc_cmd_cv); 69113540260SHans Petter Selasky sx_destroy(&sc->sc_cmd_sx); 69213540260SHans Petter Selasky } 69313540260SHans Petter Selasky 694c2d0465aSHans Petter Selasky static void 695c2d0465aSHans Petter Selasky xhci_set_hw_power_sleep(struct usb_bus *bus, uint32_t state) 69613540260SHans Petter Selasky { 697c2d0465aSHans Petter Selasky struct xhci_softc *sc = XHCI_BUS2SC(bus); 69813540260SHans Petter Selasky 699c2d0465aSHans Petter Selasky switch (state) { 700c2d0465aSHans Petter Selasky case USB_HW_POWER_SUSPEND: 70113540260SHans Petter Selasky DPRINTF("Stopping the XHCI\n"); 70213540260SHans Petter Selasky xhci_halt_controller(sc); 703f515174bSHans Petter Selasky xhci_reset_controller(sc); 704c2d0465aSHans Petter Selasky break; 705c2d0465aSHans Petter Selasky case USB_HW_POWER_SHUTDOWN: 706c2d0465aSHans Petter Selasky DPRINTF("Stopping the XHCI\n"); 707c2d0465aSHans Petter Selasky xhci_halt_controller(sc); 708f515174bSHans Petter Selasky xhci_reset_controller(sc); 709c2d0465aSHans Petter Selasky break; 710c2d0465aSHans Petter Selasky case USB_HW_POWER_RESUME: 711c2d0465aSHans Petter Selasky DPRINTF("Starting the XHCI\n"); 712c2d0465aSHans Petter Selasky xhci_start_controller(sc); 713c2d0465aSHans Petter Selasky break; 714c2d0465aSHans Petter Selasky default: 715c2d0465aSHans Petter Selasky break; 716c2d0465aSHans Petter Selasky } 71713540260SHans Petter Selasky } 71813540260SHans Petter Selasky 71913540260SHans Petter Selasky static usb_error_t 72013540260SHans Petter Selasky xhci_generic_done_sub(struct usb_xfer *xfer) 72113540260SHans Petter Selasky { 72213540260SHans Petter Selasky struct xhci_td *td; 72313540260SHans Petter Selasky struct xhci_td *td_alt_next; 72413540260SHans Petter Selasky uint32_t len; 72513540260SHans Petter Selasky uint8_t status; 72613540260SHans Petter Selasky 72713540260SHans Petter Selasky td = xfer->td_transfer_cache; 72813540260SHans Petter Selasky td_alt_next = td->alt_next; 72913540260SHans Petter Selasky 73013540260SHans Petter Selasky if (xfer->aframes != xfer->nframes) 73113540260SHans Petter Selasky usbd_xfer_set_frame_len(xfer, xfer->aframes, 0); 73213540260SHans Petter Selasky 73313540260SHans Petter Selasky while (1) { 73413540260SHans Petter Selasky 73513540260SHans Petter Selasky usb_pc_cpu_invalidate(td->page_cache); 73613540260SHans Petter Selasky 73713540260SHans Petter Selasky status = td->status; 73813540260SHans Petter Selasky len = td->remainder; 73913540260SHans Petter Selasky 74013540260SHans Petter Selasky DPRINTFN(4, "xfer=%p[%u/%u] rem=%u/%u status=%u\n", 74113540260SHans Petter Selasky xfer, (unsigned int)xfer->aframes, 74213540260SHans Petter Selasky (unsigned int)xfer->nframes, 74313540260SHans Petter Selasky (unsigned int)len, (unsigned int)td->len, 74413540260SHans Petter Selasky (unsigned int)status); 74513540260SHans Petter Selasky 74613540260SHans Petter Selasky /* 74713540260SHans Petter Selasky * Verify the status length and 74813540260SHans Petter Selasky * add the length to "frlengths[]": 74913540260SHans Petter Selasky */ 75013540260SHans Petter Selasky if (len > td->len) { 75113540260SHans Petter Selasky /* should not happen */ 75213540260SHans Petter Selasky DPRINTF("Invalid status length, " 75313540260SHans Petter Selasky "0x%04x/0x%04x bytes\n", len, td->len); 75413540260SHans Petter Selasky status = XHCI_TRB_ERROR_LENGTH; 75513540260SHans Petter Selasky } else if (xfer->aframes != xfer->nframes) { 75613540260SHans Petter Selasky xfer->frlengths[xfer->aframes] += td->len - len; 75713540260SHans Petter Selasky } 75813540260SHans Petter Selasky /* Check for last transfer */ 75913540260SHans Petter Selasky if (((void *)td) == xfer->td_transfer_last) { 76013540260SHans Petter Selasky td = NULL; 76113540260SHans Petter Selasky break; 76213540260SHans Petter Selasky } 76313540260SHans Petter Selasky /* Check for transfer error */ 76413540260SHans Petter Selasky if (status != XHCI_TRB_ERROR_SHORT_PKT && 76513540260SHans Petter Selasky status != XHCI_TRB_ERROR_SUCCESS) { 76613540260SHans Petter Selasky /* the transfer is finished */ 76713540260SHans Petter Selasky td = NULL; 76813540260SHans Petter Selasky break; 76913540260SHans Petter Selasky } 77013540260SHans Petter Selasky /* Check for short transfer */ 77113540260SHans Petter Selasky if (len > 0) { 77213540260SHans Petter Selasky if (xfer->flags_int.short_frames_ok || 77313540260SHans Petter Selasky xfer->flags_int.isochronous_xfr || 77413540260SHans Petter Selasky xfer->flags_int.control_xfr) { 77513540260SHans Petter Selasky /* follow alt next */ 77613540260SHans Petter Selasky td = td->alt_next; 77713540260SHans Petter Selasky } else { 77813540260SHans Petter Selasky /* the transfer is finished */ 77913540260SHans Petter Selasky td = NULL; 78013540260SHans Petter Selasky } 78113540260SHans Petter Selasky break; 78213540260SHans Petter Selasky } 78313540260SHans Petter Selasky td = td->obj_next; 78413540260SHans Petter Selasky 78513540260SHans Petter Selasky if (td->alt_next != td_alt_next) { 78613540260SHans Petter Selasky /* this USB frame is complete */ 78713540260SHans Petter Selasky break; 78813540260SHans Petter Selasky } 78913540260SHans Petter Selasky } 79013540260SHans Petter Selasky 79113540260SHans Petter Selasky /* update transfer cache */ 79213540260SHans Petter Selasky 79313540260SHans Petter Selasky xfer->td_transfer_cache = td; 79413540260SHans Petter Selasky 79513540260SHans Petter Selasky return ((status == XHCI_TRB_ERROR_STALL) ? USB_ERR_STALLED : 79613540260SHans Petter Selasky (status != XHCI_TRB_ERROR_SHORT_PKT && 79713540260SHans Petter Selasky status != XHCI_TRB_ERROR_SUCCESS) ? USB_ERR_IOERROR : 79813540260SHans Petter Selasky USB_ERR_NORMAL_COMPLETION); 79913540260SHans Petter Selasky } 80013540260SHans Petter Selasky 80113540260SHans Petter Selasky static void 80213540260SHans Petter Selasky xhci_generic_done(struct usb_xfer *xfer) 80313540260SHans Petter Selasky { 80413540260SHans Petter Selasky usb_error_t err = 0; 80513540260SHans Petter Selasky 80613540260SHans Petter Selasky DPRINTFN(13, "xfer=%p endpoint=%p transfer done\n", 80713540260SHans Petter Selasky xfer, xfer->endpoint); 80813540260SHans Petter Selasky 80913540260SHans Petter Selasky /* reset scanner */ 81013540260SHans Petter Selasky 81113540260SHans Petter Selasky xfer->td_transfer_cache = xfer->td_transfer_first; 81213540260SHans Petter Selasky 81313540260SHans Petter Selasky if (xfer->flags_int.control_xfr) { 81413540260SHans Petter Selasky 81513540260SHans Petter Selasky if (xfer->flags_int.control_hdr) 81613540260SHans Petter Selasky err = xhci_generic_done_sub(xfer); 81713540260SHans Petter Selasky 81813540260SHans Petter Selasky xfer->aframes = 1; 81913540260SHans Petter Selasky 82013540260SHans Petter Selasky if (xfer->td_transfer_cache == NULL) 82113540260SHans Petter Selasky goto done; 82213540260SHans Petter Selasky } 82313540260SHans Petter Selasky 82413540260SHans Petter Selasky while (xfer->aframes != xfer->nframes) { 82513540260SHans Petter Selasky 82613540260SHans Petter Selasky err = xhci_generic_done_sub(xfer); 82713540260SHans Petter Selasky xfer->aframes++; 82813540260SHans Petter Selasky 82913540260SHans Petter Selasky if (xfer->td_transfer_cache == NULL) 83013540260SHans Petter Selasky goto done; 83113540260SHans Petter Selasky } 83213540260SHans Petter Selasky 83313540260SHans Petter Selasky if (xfer->flags_int.control_xfr && 83413540260SHans Petter Selasky !xfer->flags_int.control_act) 83513540260SHans Petter Selasky err = xhci_generic_done_sub(xfer); 83613540260SHans Petter Selasky done: 83713540260SHans Petter Selasky /* transfer is complete */ 83813540260SHans Petter Selasky xhci_device_done(xfer, err); 83913540260SHans Petter Selasky } 84013540260SHans Petter Selasky 84113540260SHans Petter Selasky static void 84213540260SHans Petter Selasky xhci_activate_transfer(struct usb_xfer *xfer) 84313540260SHans Petter Selasky { 84413540260SHans Petter Selasky struct xhci_td *td; 84513540260SHans Petter Selasky 84613540260SHans Petter Selasky td = xfer->td_transfer_cache; 84713540260SHans Petter Selasky 84813540260SHans Petter Selasky usb_pc_cpu_invalidate(td->page_cache); 84913540260SHans Petter Selasky 85013540260SHans Petter Selasky if (!(td->td_trb[0].dwTrb3 & htole32(XHCI_TRB_3_CYCLE_BIT))) { 85113540260SHans Petter Selasky 85213540260SHans Petter Selasky /* activate the transfer */ 85313540260SHans Petter Selasky 85413540260SHans Petter Selasky td->td_trb[0].dwTrb3 |= htole32(XHCI_TRB_3_CYCLE_BIT); 85513540260SHans Petter Selasky usb_pc_cpu_flush(td->page_cache); 85613540260SHans Petter Selasky 85713540260SHans Petter Selasky xhci_endpoint_doorbell(xfer); 85813540260SHans Petter Selasky } 85913540260SHans Petter Selasky } 86013540260SHans Petter Selasky 86113540260SHans Petter Selasky static void 86213540260SHans Petter Selasky xhci_skip_transfer(struct usb_xfer *xfer) 86313540260SHans Petter Selasky { 86413540260SHans Petter Selasky struct xhci_td *td; 86513540260SHans Petter Selasky struct xhci_td *td_last; 86613540260SHans Petter Selasky 86713540260SHans Petter Selasky td = xfer->td_transfer_cache; 86813540260SHans Petter Selasky td_last = xfer->td_transfer_last; 86913540260SHans Petter Selasky 87013540260SHans Petter Selasky td = td->alt_next; 87113540260SHans Petter Selasky 87213540260SHans Petter Selasky usb_pc_cpu_invalidate(td->page_cache); 87313540260SHans Petter Selasky 87413540260SHans Petter Selasky if (!(td->td_trb[0].dwTrb3 & htole32(XHCI_TRB_3_CYCLE_BIT))) { 87513540260SHans Petter Selasky 87613540260SHans Petter Selasky usb_pc_cpu_invalidate(td_last->page_cache); 87713540260SHans Petter Selasky 87813540260SHans Petter Selasky /* copy LINK TRB to current waiting location */ 87913540260SHans Petter Selasky 88013540260SHans Petter Selasky td->td_trb[0].qwTrb0 = td_last->td_trb[td_last->ntrb].qwTrb0; 88113540260SHans Petter Selasky td->td_trb[0].dwTrb2 = td_last->td_trb[td_last->ntrb].dwTrb2; 88213540260SHans Petter Selasky usb_pc_cpu_flush(td->page_cache); 88313540260SHans Petter Selasky 88413540260SHans Petter Selasky td->td_trb[0].dwTrb3 = td_last->td_trb[td_last->ntrb].dwTrb3; 88513540260SHans Petter Selasky usb_pc_cpu_flush(td->page_cache); 88613540260SHans Petter Selasky 88713540260SHans Petter Selasky xhci_endpoint_doorbell(xfer); 88813540260SHans Petter Selasky } 88913540260SHans Petter Selasky } 89013540260SHans Petter Selasky 89113540260SHans Petter Selasky /*------------------------------------------------------------------------* 89213540260SHans Petter Selasky * xhci_check_transfer 89313540260SHans Petter Selasky *------------------------------------------------------------------------*/ 89413540260SHans Petter Selasky static void 89513540260SHans Petter Selasky xhci_check_transfer(struct xhci_softc *sc, struct xhci_trb *trb) 89613540260SHans Petter Selasky { 897cfa00b0dSHans Petter Selasky struct xhci_endpoint_ext *pepext; 89813540260SHans Petter Selasky int64_t offset; 89913540260SHans Petter Selasky uint64_t td_event; 90013540260SHans Petter Selasky uint32_t temp; 90113540260SHans Petter Selasky uint32_t remainder; 902253c93f2SHans Petter Selasky uint16_t stream_id = 0; 903cfa00b0dSHans Petter Selasky uint16_t i; 90413540260SHans Petter Selasky uint8_t status; 90513540260SHans Petter Selasky uint8_t halted; 90613540260SHans Petter Selasky uint8_t epno; 90713540260SHans Petter Selasky uint8_t index; 90813540260SHans Petter Selasky 90913540260SHans Petter Selasky /* decode TRB */ 91013540260SHans Petter Selasky td_event = le64toh(trb->qwTrb0); 91113540260SHans Petter Selasky temp = le32toh(trb->dwTrb2); 91213540260SHans Petter Selasky 91313540260SHans Petter Selasky remainder = XHCI_TRB_2_REM_GET(temp); 91413540260SHans Petter Selasky status = XHCI_TRB_2_ERROR_GET(temp); 91513540260SHans Petter Selasky 91613540260SHans Petter Selasky temp = le32toh(trb->dwTrb3); 91713540260SHans Petter Selasky epno = XHCI_TRB_3_EP_GET(temp); 91813540260SHans Petter Selasky index = XHCI_TRB_3_SLOT_GET(temp); 91913540260SHans Petter Selasky 92013540260SHans Petter Selasky /* check if error means halted */ 92113540260SHans Petter Selasky halted = (status != XHCI_TRB_ERROR_SHORT_PKT && 92213540260SHans Petter Selasky status != XHCI_TRB_ERROR_SUCCESS); 92313540260SHans Petter Selasky 924253c93f2SHans Petter Selasky DPRINTF("slot=%u epno=%u remainder=%u status=%u\n", 925253c93f2SHans Petter Selasky index, epno, remainder, status); 92613540260SHans Petter Selasky 92713540260SHans Petter Selasky if (index > sc->sc_noslot) { 92813540260SHans Petter Selasky DPRINTF("Invalid slot.\n"); 92913540260SHans Petter Selasky return; 93013540260SHans Petter Selasky } 93113540260SHans Petter Selasky 93213540260SHans Petter Selasky if ((epno == 0) || (epno >= XHCI_MAX_ENDPOINTS)) { 93313540260SHans Petter Selasky DPRINTF("Invalid endpoint.\n"); 93413540260SHans Petter Selasky return; 93513540260SHans Petter Selasky } 93613540260SHans Petter Selasky 937cfa00b0dSHans Petter Selasky pepext = &sc->sc_hw.devs[index].endp[epno]; 938cfa00b0dSHans Petter Selasky 93913540260SHans Petter Selasky /* try to find the USB transfer that generated the event */ 940253c93f2SHans Petter Selasky for (i = 0;; i++) { 94113540260SHans Petter Selasky struct usb_xfer *xfer; 94213540260SHans Petter Selasky struct xhci_td *td; 94313540260SHans Petter Selasky 944253c93f2SHans Petter Selasky if (i == (XHCI_MAX_TRANSFERS - 1)) { 945253c93f2SHans Petter Selasky if (pepext->trb_ep_mode != USB_EP_MODE_STREAMS || 946253c93f2SHans Petter Selasky stream_id == (XHCI_MAX_STREAMS - 1)) 947253c93f2SHans Petter Selasky break; 948253c93f2SHans Petter Selasky stream_id++; 949253c93f2SHans Petter Selasky i = 0; 950253c93f2SHans Petter Selasky DPRINTFN(5, "stream_id=%u\n", stream_id); 951253c93f2SHans Petter Selasky } 952253c93f2SHans Petter Selasky 953cfa00b0dSHans Petter Selasky xfer = pepext->xfer[i + (XHCI_MAX_TRANSFERS * stream_id)]; 95413540260SHans Petter Selasky if (xfer == NULL) 95513540260SHans Petter Selasky continue; 95613540260SHans Petter Selasky 95713540260SHans Petter Selasky td = xfer->td_transfer_cache; 95813540260SHans Petter Selasky 95913540260SHans Petter Selasky DPRINTFN(5, "Checking if 0x%016llx == (0x%016llx .. 0x%016llx)\n", 96013540260SHans Petter Selasky (long long)td_event, 96113540260SHans Petter Selasky (long long)td->td_self, 96213540260SHans Petter Selasky (long long)td->td_self + sizeof(td->td_trb)); 96313540260SHans Petter Selasky 96413540260SHans Petter Selasky /* 96513540260SHans Petter Selasky * NOTE: Some XHCI implementations might not trigger 96613540260SHans Petter Selasky * an event on the last LINK TRB so we need to 96713540260SHans Petter Selasky * consider both the last and second last event 96813540260SHans Petter Selasky * address as conditions for a successful transfer. 96913540260SHans Petter Selasky * 97013540260SHans Petter Selasky * NOTE: We assume that the XHCI will only trigger one 97113540260SHans Petter Selasky * event per chain of TRBs. 97213540260SHans Petter Selasky */ 97313540260SHans Petter Selasky 97413540260SHans Petter Selasky offset = td_event - td->td_self; 97513540260SHans Petter Selasky 97613540260SHans Petter Selasky if (offset >= 0 && 9776d917491SHans Petter Selasky offset < (int64_t)sizeof(td->td_trb)) { 97813540260SHans Petter Selasky 97913540260SHans Petter Selasky usb_pc_cpu_invalidate(td->page_cache); 98013540260SHans Petter Selasky 98113540260SHans Petter Selasky /* compute rest of remainder, if any */ 98213540260SHans Petter Selasky for (i = (offset / 16) + 1; i < td->ntrb; i++) { 98313540260SHans Petter Selasky temp = le32toh(td->td_trb[i].dwTrb2); 98413540260SHans Petter Selasky remainder += XHCI_TRB_2_BYTES_GET(temp); 98513540260SHans Petter Selasky } 98613540260SHans Petter Selasky 98713540260SHans Petter Selasky DPRINTFN(5, "New remainder: %u\n", remainder); 98813540260SHans Petter Selasky 98913540260SHans Petter Selasky /* clear isochronous transfer errors */ 99013540260SHans Petter Selasky if (xfer->flags_int.isochronous_xfr) { 99113540260SHans Petter Selasky if (halted) { 99213540260SHans Petter Selasky halted = 0; 99313540260SHans Petter Selasky status = XHCI_TRB_ERROR_SUCCESS; 99413540260SHans Petter Selasky remainder = td->len; 99513540260SHans Petter Selasky } 99613540260SHans Petter Selasky } 99713540260SHans Petter Selasky 99813540260SHans Petter Selasky /* "td->remainder" is verified later */ 99913540260SHans Petter Selasky td->remainder = remainder; 100013540260SHans Petter Selasky td->status = status; 100113540260SHans Petter Selasky 100213540260SHans Petter Selasky usb_pc_cpu_flush(td->page_cache); 100313540260SHans Petter Selasky 100413540260SHans Petter Selasky /* 100513540260SHans Petter Selasky * 1) Last transfer descriptor makes the 100613540260SHans Petter Selasky * transfer done 100713540260SHans Petter Selasky */ 100813540260SHans Petter Selasky if (((void *)td) == xfer->td_transfer_last) { 100913540260SHans Petter Selasky DPRINTF("TD is last\n"); 101013540260SHans Petter Selasky xhci_generic_done(xfer); 101113540260SHans Petter Selasky break; 101213540260SHans Petter Selasky } 101313540260SHans Petter Selasky 101413540260SHans Petter Selasky /* 101513540260SHans Petter Selasky * 2) Any kind of error makes the transfer 101613540260SHans Petter Selasky * done 101713540260SHans Petter Selasky */ 101813540260SHans Petter Selasky if (halted) { 101913540260SHans Petter Selasky DPRINTF("TD has I/O error\n"); 102013540260SHans Petter Selasky xhci_generic_done(xfer); 102113540260SHans Petter Selasky break; 102213540260SHans Petter Selasky } 102313540260SHans Petter Selasky 102413540260SHans Petter Selasky /* 102513540260SHans Petter Selasky * 3) If there is no alternate next transfer, 102613540260SHans Petter Selasky * a short packet also makes the transfer done 102713540260SHans Petter Selasky */ 102813540260SHans Petter Selasky if (td->remainder > 0) { 1029250fb892SHans Petter Selasky if (td->alt_next == NULL) { 1030e465b973SHans Petter Selasky DPRINTF( 1031e465b973SHans Petter Selasky "short TD has no alternate next\n"); 1032250fb892SHans Petter Selasky xhci_generic_done(xfer); 1033250fb892SHans Petter Selasky break; 1034250fb892SHans Petter Selasky } 103513540260SHans Petter Selasky DPRINTF("TD has short pkt\n"); 103613540260SHans Petter Selasky if (xfer->flags_int.short_frames_ok || 103713540260SHans Petter Selasky xfer->flags_int.isochronous_xfr || 103813540260SHans Petter Selasky xfer->flags_int.control_xfr) { 103913540260SHans Petter Selasky /* follow the alt next */ 104013540260SHans Petter Selasky xfer->td_transfer_cache = td->alt_next; 104113540260SHans Petter Selasky xhci_activate_transfer(xfer); 104213540260SHans Petter Selasky break; 104313540260SHans Petter Selasky } 104413540260SHans Petter Selasky xhci_skip_transfer(xfer); 104513540260SHans Petter Selasky xhci_generic_done(xfer); 104613540260SHans Petter Selasky break; 104713540260SHans Petter Selasky } 104813540260SHans Petter Selasky 104913540260SHans Petter Selasky /* 105013540260SHans Petter Selasky * 4) Transfer complete - go to next TD 105113540260SHans Petter Selasky */ 105213540260SHans Petter Selasky DPRINTF("Following next TD\n"); 105313540260SHans Petter Selasky xfer->td_transfer_cache = td->obj_next; 105413540260SHans Petter Selasky xhci_activate_transfer(xfer); 105513540260SHans Petter Selasky break; /* there should only be one match */ 105613540260SHans Petter Selasky } 105713540260SHans Petter Selasky } 105813540260SHans Petter Selasky } 105913540260SHans Petter Selasky 10604c5d1323SHans Petter Selasky static int 106113540260SHans Petter Selasky xhci_check_command(struct xhci_softc *sc, struct xhci_trb *trb) 106213540260SHans Petter Selasky { 106313540260SHans Petter Selasky if (sc->sc_cmd_addr == trb->qwTrb0) { 106413540260SHans Petter Selasky DPRINTF("Received command event\n"); 106513540260SHans Petter Selasky sc->sc_cmd_result[0] = trb->dwTrb2; 106613540260SHans Petter Selasky sc->sc_cmd_result[1] = trb->dwTrb3; 106713540260SHans Petter Selasky cv_signal(&sc->sc_cmd_cv); 10684c5d1323SHans Petter Selasky return (1); /* command match */ 106913540260SHans Petter Selasky } 10704c5d1323SHans Petter Selasky return (0); 107113540260SHans Petter Selasky } 107213540260SHans Petter Selasky 10734c5d1323SHans Petter Selasky static int 107413540260SHans Petter Selasky xhci_interrupt_poll(struct xhci_softc *sc) 107513540260SHans Petter Selasky { 107613540260SHans Petter Selasky struct usb_page_search buf_res; 107713540260SHans Petter Selasky struct xhci_hw_root *phwr; 107813540260SHans Petter Selasky uint64_t addr; 107913540260SHans Petter Selasky uint32_t temp; 10804c5d1323SHans Petter Selasky int retval = 0; 108113540260SHans Petter Selasky uint16_t i; 108213540260SHans Petter Selasky uint8_t event; 108313540260SHans Petter Selasky uint8_t j; 108413540260SHans Petter Selasky uint8_t k; 108513540260SHans Petter Selasky uint8_t t; 108613540260SHans Petter Selasky 108713540260SHans Petter Selasky usbd_get_page(&sc->sc_hw.root_pc, 0, &buf_res); 108813540260SHans Petter Selasky 108913540260SHans Petter Selasky phwr = buf_res.buffer; 109013540260SHans Petter Selasky 109113540260SHans Petter Selasky /* Receive any events */ 109213540260SHans Petter Selasky 109313540260SHans Petter Selasky usb_pc_cpu_invalidate(&sc->sc_hw.root_pc); 109413540260SHans Petter Selasky 109513540260SHans Petter Selasky i = sc->sc_event_idx; 109613540260SHans Petter Selasky j = sc->sc_event_ccs; 109713540260SHans Petter Selasky t = 2; 109813540260SHans Petter Selasky 109913540260SHans Petter Selasky while (1) { 110013540260SHans Petter Selasky 110113540260SHans Petter Selasky temp = le32toh(phwr->hwr_events[i].dwTrb3); 110213540260SHans Petter Selasky 110313540260SHans Petter Selasky k = (temp & XHCI_TRB_3_CYCLE_BIT) ? 1 : 0; 110413540260SHans Petter Selasky 110513540260SHans Petter Selasky if (j != k) 110613540260SHans Petter Selasky break; 110713540260SHans Petter Selasky 110813540260SHans Petter Selasky event = XHCI_TRB_3_TYPE_GET(temp); 110913540260SHans Petter Selasky 111013540260SHans Petter Selasky DPRINTFN(10, "event[%u] = %u (0x%016llx 0x%08lx 0x%08lx)\n", 111113540260SHans Petter Selasky i, event, (long long)le64toh(phwr->hwr_events[i].qwTrb0), 111213540260SHans Petter Selasky (long)le32toh(phwr->hwr_events[i].dwTrb2), 111313540260SHans Petter Selasky (long)le32toh(phwr->hwr_events[i].dwTrb3)); 111413540260SHans Petter Selasky 111513540260SHans Petter Selasky switch (event) { 111613540260SHans Petter Selasky case XHCI_TRB_EVENT_TRANSFER: 111713540260SHans Petter Selasky xhci_check_transfer(sc, &phwr->hwr_events[i]); 111813540260SHans Petter Selasky break; 111913540260SHans Petter Selasky case XHCI_TRB_EVENT_CMD_COMPLETE: 11204c5d1323SHans Petter Selasky retval |= xhci_check_command(sc, &phwr->hwr_events[i]); 112113540260SHans Petter Selasky break; 112213540260SHans Petter Selasky default: 112313540260SHans Petter Selasky DPRINTF("Unhandled event = %u\n", event); 112413540260SHans Petter Selasky break; 112513540260SHans Petter Selasky } 112613540260SHans Petter Selasky 112713540260SHans Petter Selasky i++; 112813540260SHans Petter Selasky 112913540260SHans Petter Selasky if (i == XHCI_MAX_EVENTS) { 113013540260SHans Petter Selasky i = 0; 113113540260SHans Petter Selasky j ^= 1; 113213540260SHans Petter Selasky 113313540260SHans Petter Selasky /* check for timeout */ 113413540260SHans Petter Selasky if (!--t) 113513540260SHans Petter Selasky break; 113613540260SHans Petter Selasky } 113713540260SHans Petter Selasky } 113813540260SHans Petter Selasky 113913540260SHans Petter Selasky sc->sc_event_idx = i; 114013540260SHans Petter Selasky sc->sc_event_ccs = j; 114113540260SHans Petter Selasky 114213540260SHans Petter Selasky /* 114313540260SHans Petter Selasky * NOTE: The Event Ring Dequeue Pointer Register is 64-bit 114413540260SHans Petter Selasky * latched. That means to activate the register we need to 114513540260SHans Petter Selasky * write both the low and high double word of the 64-bit 114613540260SHans Petter Selasky * register. 114713540260SHans Petter Selasky */ 114813540260SHans Petter Selasky 1149a2a78645SHans Petter Selasky addr = buf_res.physaddr; 115013540260SHans Petter Selasky addr += (uintptr_t)&((struct xhci_hw_root *)0)->hwr_events[i]; 115113540260SHans Petter Selasky 115213540260SHans Petter Selasky /* try to clear busy bit */ 115313540260SHans Petter Selasky addr |= XHCI_ERDP_LO_BUSY; 115413540260SHans Petter Selasky 115513540260SHans Petter Selasky XWRITE4(sc, runt, XHCI_ERDP_LO(0), (uint32_t)addr); 115613540260SHans Petter Selasky XWRITE4(sc, runt, XHCI_ERDP_HI(0), (uint32_t)(addr >> 32)); 11574c5d1323SHans Petter Selasky 11584c5d1323SHans Petter Selasky return (retval); 115913540260SHans Petter Selasky } 116013540260SHans Petter Selasky 116113540260SHans Petter Selasky static usb_error_t 116213540260SHans Petter Selasky xhci_do_command(struct xhci_softc *sc, struct xhci_trb *trb, 116313540260SHans Petter Selasky uint16_t timeout_ms) 116413540260SHans Petter Selasky { 116513540260SHans Petter Selasky struct usb_page_search buf_res; 116613540260SHans Petter Selasky struct xhci_hw_root *phwr; 116713540260SHans Petter Selasky uint64_t addr; 116813540260SHans Petter Selasky uint32_t temp; 116913540260SHans Petter Selasky uint8_t i; 117013540260SHans Petter Selasky uint8_t j; 1171563ab081SHans Petter Selasky uint8_t timeout = 0; 117213540260SHans Petter Selasky int err; 117313540260SHans Petter Selasky 117413540260SHans Petter Selasky XHCI_CMD_ASSERT_LOCKED(sc); 117513540260SHans Petter Selasky 117613540260SHans Petter Selasky /* get hardware root structure */ 117713540260SHans Petter Selasky 117813540260SHans Petter Selasky usbd_get_page(&sc->sc_hw.root_pc, 0, &buf_res); 117913540260SHans Petter Selasky 118013540260SHans Petter Selasky phwr = buf_res.buffer; 118113540260SHans Petter Selasky 118213540260SHans Petter Selasky /* Queue command */ 118313540260SHans Petter Selasky 118413540260SHans Petter Selasky USB_BUS_LOCK(&sc->sc_bus); 1185563ab081SHans Petter Selasky retry: 118613540260SHans Petter Selasky i = sc->sc_command_idx; 118713540260SHans Petter Selasky j = sc->sc_command_ccs; 118813540260SHans Petter Selasky 118913540260SHans Petter Selasky DPRINTFN(10, "command[%u] = %u (0x%016llx, 0x%08lx, 0x%08lx)\n", 119013540260SHans Petter Selasky i, XHCI_TRB_3_TYPE_GET(le32toh(trb->dwTrb3)), 119113540260SHans Petter Selasky (long long)le64toh(trb->qwTrb0), 119213540260SHans Petter Selasky (long)le32toh(trb->dwTrb2), 119313540260SHans Petter Selasky (long)le32toh(trb->dwTrb3)); 119413540260SHans Petter Selasky 119513540260SHans Petter Selasky phwr->hwr_commands[i].qwTrb0 = trb->qwTrb0; 119613540260SHans Petter Selasky phwr->hwr_commands[i].dwTrb2 = trb->dwTrb2; 119713540260SHans Petter Selasky 119813540260SHans Petter Selasky usb_pc_cpu_flush(&sc->sc_hw.root_pc); 119913540260SHans Petter Selasky 120013540260SHans Petter Selasky temp = trb->dwTrb3; 120113540260SHans Petter Selasky 120213540260SHans Petter Selasky if (j) 120313540260SHans Petter Selasky temp |= htole32(XHCI_TRB_3_CYCLE_BIT); 120413540260SHans Petter Selasky else 120513540260SHans Petter Selasky temp &= ~htole32(XHCI_TRB_3_CYCLE_BIT); 120613540260SHans Petter Selasky 120713540260SHans Petter Selasky temp &= ~htole32(XHCI_TRB_3_TC_BIT); 120813540260SHans Petter Selasky 120913540260SHans Petter Selasky phwr->hwr_commands[i].dwTrb3 = temp; 121013540260SHans Petter Selasky 121113540260SHans Petter Selasky usb_pc_cpu_flush(&sc->sc_hw.root_pc); 121213540260SHans Petter Selasky 121313540260SHans Petter Selasky addr = buf_res.physaddr; 121413540260SHans Petter Selasky addr += (uintptr_t)&((struct xhci_hw_root *)0)->hwr_commands[i]; 121513540260SHans Petter Selasky 121613540260SHans Petter Selasky sc->sc_cmd_addr = htole64(addr); 121713540260SHans Petter Selasky 121813540260SHans Petter Selasky i++; 121913540260SHans Petter Selasky 122013540260SHans Petter Selasky if (i == (XHCI_MAX_COMMANDS - 1)) { 122113540260SHans Petter Selasky 122213540260SHans Petter Selasky if (j) { 122313540260SHans Petter Selasky temp = htole32(XHCI_TRB_3_TC_BIT | 122413540260SHans Petter Selasky XHCI_TRB_3_TYPE_SET(XHCI_TRB_TYPE_LINK) | 122513540260SHans Petter Selasky XHCI_TRB_3_CYCLE_BIT); 122613540260SHans Petter Selasky } else { 122713540260SHans Petter Selasky temp = htole32(XHCI_TRB_3_TC_BIT | 122813540260SHans Petter Selasky XHCI_TRB_3_TYPE_SET(XHCI_TRB_TYPE_LINK)); 122913540260SHans Petter Selasky } 123013540260SHans Petter Selasky 123113540260SHans Petter Selasky phwr->hwr_commands[i].dwTrb3 = temp; 123213540260SHans Petter Selasky 123313540260SHans Petter Selasky usb_pc_cpu_flush(&sc->sc_hw.root_pc); 123413540260SHans Petter Selasky 123513540260SHans Petter Selasky i = 0; 123613540260SHans Petter Selasky j ^= 1; 123713540260SHans Petter Selasky } 123813540260SHans Petter Selasky 123913540260SHans Petter Selasky sc->sc_command_idx = i; 124013540260SHans Petter Selasky sc->sc_command_ccs = j; 124113540260SHans Petter Selasky 124213540260SHans Petter Selasky XWRITE4(sc, door, XHCI_DOORBELL(0), 0); 124313540260SHans Petter Selasky 124413540260SHans Petter Selasky err = cv_timedwait(&sc->sc_cmd_cv, &sc->sc_bus.bus_mtx, 124513540260SHans Petter Selasky USB_MS_TO_TICKS(timeout_ms)); 124613540260SHans Petter Selasky 12474c5d1323SHans Petter Selasky /* 12484c5d1323SHans Petter Selasky * In some error cases event interrupts are not generated. 12494c5d1323SHans Petter Selasky * Poll one time to see if the command has completed. 12504c5d1323SHans Petter Selasky */ 12514c5d1323SHans Petter Selasky if (err != 0 && xhci_interrupt_poll(sc) != 0) { 12524c5d1323SHans Petter Selasky DPRINTF("Command was completed when polling\n"); 12534c5d1323SHans Petter Selasky err = 0; 12544c5d1323SHans Petter Selasky } 12554c5d1323SHans Petter Selasky if (err != 0) { 1256563ab081SHans Petter Selasky DPRINTF("Command timeout!\n"); 12572c452d74SHans Petter Selasky /* 1258563ab081SHans Petter Selasky * After some weeks of continuous operation, it has 1259563ab081SHans Petter Selasky * been observed that the ASMedia Technology, ASM1042 1260563ab081SHans Petter Selasky * SuperSpeed USB Host Controller can suddenly stop 1261563ab081SHans Petter Selasky * accepting commands via the command queue. Try to 1262563ab081SHans Petter Selasky * first reset the command queue. If that fails do a 1263563ab081SHans Petter Selasky * host controller reset. 12642c452d74SHans Petter Selasky */ 1265563ab081SHans Petter Selasky if (timeout == 0 && 1266563ab081SHans Petter Selasky xhci_reset_command_queue_locked(sc) == 0) { 1267a955cde7SHans Petter Selasky temp = le32toh(trb->dwTrb3); 1268a955cde7SHans Petter Selasky 1269a955cde7SHans Petter Selasky /* 1270a955cde7SHans Petter Selasky * Avoid infinite XHCI reset loops if the set 1271a955cde7SHans Petter Selasky * address command fails to respond due to a 1272a955cde7SHans Petter Selasky * non-enumerating device: 1273a955cde7SHans Petter Selasky */ 1274a955cde7SHans Petter Selasky if (XHCI_TRB_3_TYPE_GET(temp) == XHCI_TRB_TYPE_ADDRESS_DEVICE && 1275a955cde7SHans Petter Selasky (temp & XHCI_TRB_3_BSR_BIT) == 0) { 1276a955cde7SHans Petter Selasky DPRINTF("Set address timeout\n"); 1277a955cde7SHans Petter Selasky } else { 1278563ab081SHans Petter Selasky timeout = 1; 1279563ab081SHans Petter Selasky goto retry; 1280a955cde7SHans Petter Selasky } 1281563ab081SHans Petter Selasky } else { 1282563ab081SHans Petter Selasky DPRINTF("Controller reset!\n"); 1283563ab081SHans Petter Selasky usb_bus_reset_async_locked(&sc->sc_bus); 12842c452d74SHans Petter Selasky } 128513540260SHans Petter Selasky err = USB_ERR_TIMEOUT; 128613540260SHans Petter Selasky trb->dwTrb2 = 0; 128713540260SHans Petter Selasky trb->dwTrb3 = 0; 128813540260SHans Petter Selasky } else { 128913540260SHans Petter Selasky temp = le32toh(sc->sc_cmd_result[0]); 129013540260SHans Petter Selasky if (XHCI_TRB_2_ERROR_GET(temp) != XHCI_TRB_ERROR_SUCCESS) 129113540260SHans Petter Selasky err = USB_ERR_IOERROR; 129213540260SHans Petter Selasky 129313540260SHans Petter Selasky trb->dwTrb2 = sc->sc_cmd_result[0]; 129413540260SHans Petter Selasky trb->dwTrb3 = sc->sc_cmd_result[1]; 129513540260SHans Petter Selasky } 129613540260SHans Petter Selasky 129713540260SHans Petter Selasky USB_BUS_UNLOCK(&sc->sc_bus); 129813540260SHans Petter Selasky 129913540260SHans Petter Selasky return (err); 130013540260SHans Petter Selasky } 130113540260SHans Petter Selasky 130213540260SHans Petter Selasky #if 0 130313540260SHans Petter Selasky static usb_error_t 130413540260SHans Petter Selasky xhci_cmd_nop(struct xhci_softc *sc) 130513540260SHans Petter Selasky { 130613540260SHans Petter Selasky struct xhci_trb trb; 130713540260SHans Petter Selasky uint32_t temp; 130813540260SHans Petter Selasky 130913540260SHans Petter Selasky DPRINTF("\n"); 131013540260SHans Petter Selasky 131113540260SHans Petter Selasky trb.qwTrb0 = 0; 131213540260SHans Petter Selasky trb.dwTrb2 = 0; 131313540260SHans Petter Selasky temp = XHCI_TRB_3_TYPE_SET(XHCI_TRB_TYPE_NOOP); 131413540260SHans Petter Selasky 131513540260SHans Petter Selasky trb.dwTrb3 = htole32(temp); 131613540260SHans Petter Selasky 13178c09f3a1SHans Petter Selasky return (xhci_do_command(sc, &trb, 100 /* ms */)); 131813540260SHans Petter Selasky } 131913540260SHans Petter Selasky #endif 132013540260SHans Petter Selasky 132113540260SHans Petter Selasky static usb_error_t 132213540260SHans Petter Selasky xhci_cmd_enable_slot(struct xhci_softc *sc, uint8_t *pslot) 132313540260SHans Petter Selasky { 132413540260SHans Petter Selasky struct xhci_trb trb; 132513540260SHans Petter Selasky uint32_t temp; 132613540260SHans Petter Selasky usb_error_t err; 132713540260SHans Petter Selasky 132813540260SHans Petter Selasky DPRINTF("\n"); 132913540260SHans Petter Selasky 133013540260SHans Petter Selasky trb.qwTrb0 = 0; 133113540260SHans Petter Selasky trb.dwTrb2 = 0; 133213540260SHans Petter Selasky trb.dwTrb3 = htole32(XHCI_TRB_3_TYPE_SET(XHCI_TRB_TYPE_ENABLE_SLOT)); 133313540260SHans Petter Selasky 13348c09f3a1SHans Petter Selasky err = xhci_do_command(sc, &trb, 100 /* ms */); 133513540260SHans Petter Selasky if (err) 133613540260SHans Petter Selasky goto done; 133713540260SHans Petter Selasky 133813540260SHans Petter Selasky temp = le32toh(trb.dwTrb3); 133913540260SHans Petter Selasky 134013540260SHans Petter Selasky *pslot = XHCI_TRB_3_SLOT_GET(temp); 134113540260SHans Petter Selasky 134213540260SHans Petter Selasky done: 134313540260SHans Petter Selasky return (err); 134413540260SHans Petter Selasky } 134513540260SHans Petter Selasky 134613540260SHans Petter Selasky static usb_error_t 134713540260SHans Petter Selasky xhci_cmd_disable_slot(struct xhci_softc *sc, uint8_t slot_id) 134813540260SHans Petter Selasky { 134913540260SHans Petter Selasky struct xhci_trb trb; 135013540260SHans Petter Selasky uint32_t temp; 135113540260SHans Petter Selasky 135213540260SHans Petter Selasky DPRINTF("\n"); 135313540260SHans Petter Selasky 135413540260SHans Petter Selasky trb.qwTrb0 = 0; 135513540260SHans Petter Selasky trb.dwTrb2 = 0; 135613540260SHans Petter Selasky temp = XHCI_TRB_3_TYPE_SET(XHCI_TRB_TYPE_DISABLE_SLOT) | 135713540260SHans Petter Selasky XHCI_TRB_3_SLOT_SET(slot_id); 135813540260SHans Petter Selasky 135913540260SHans Petter Selasky trb.dwTrb3 = htole32(temp); 136013540260SHans Petter Selasky 13618c09f3a1SHans Petter Selasky return (xhci_do_command(sc, &trb, 100 /* ms */)); 136213540260SHans Petter Selasky } 136313540260SHans Petter Selasky 136413540260SHans Petter Selasky static usb_error_t 136513540260SHans Petter Selasky xhci_cmd_set_address(struct xhci_softc *sc, uint64_t input_ctx, 136613540260SHans Petter Selasky uint8_t bsr, uint8_t slot_id) 136713540260SHans Petter Selasky { 136813540260SHans Petter Selasky struct xhci_trb trb; 136913540260SHans Petter Selasky uint32_t temp; 137013540260SHans Petter Selasky 137113540260SHans Petter Selasky DPRINTF("\n"); 137213540260SHans Petter Selasky 137313540260SHans Petter Selasky trb.qwTrb0 = htole64(input_ctx); 137413540260SHans Petter Selasky trb.dwTrb2 = 0; 137513540260SHans Petter Selasky temp = XHCI_TRB_3_TYPE_SET(XHCI_TRB_TYPE_ADDRESS_DEVICE) | 137613540260SHans Petter Selasky XHCI_TRB_3_SLOT_SET(slot_id); 137713540260SHans Petter Selasky 137813540260SHans Petter Selasky if (bsr) 137913540260SHans Petter Selasky temp |= XHCI_TRB_3_BSR_BIT; 138013540260SHans Petter Selasky 138113540260SHans Petter Selasky trb.dwTrb3 = htole32(temp); 138213540260SHans Petter Selasky 138313540260SHans Petter Selasky return (xhci_do_command(sc, &trb, 500 /* ms */)); 138413540260SHans Petter Selasky } 138513540260SHans Petter Selasky 138613540260SHans Petter Selasky static usb_error_t 138713540260SHans Petter Selasky xhci_set_address(struct usb_device *udev, struct mtx *mtx, uint16_t address) 138813540260SHans Petter Selasky { 138913540260SHans Petter Selasky struct usb_page_search buf_inp; 139013540260SHans Petter Selasky struct usb_page_search buf_dev; 139113540260SHans Petter Selasky struct xhci_softc *sc = XHCI_BUS2SC(udev->bus); 139213540260SHans Petter Selasky struct xhci_hw_dev *hdev; 139313540260SHans Petter Selasky struct xhci_dev_ctx *pdev; 139413540260SHans Petter Selasky struct xhci_endpoint_ext *pepext; 1395c1338c65SHans Petter Selasky uint32_t temp; 139613540260SHans Petter Selasky uint16_t mps; 139713540260SHans Petter Selasky usb_error_t err; 139813540260SHans Petter Selasky uint8_t index; 139913540260SHans Petter Selasky 140013540260SHans Petter Selasky /* the root HUB case is not handled here */ 140113540260SHans Petter Selasky if (udev->parent_hub == NULL) 140213540260SHans Petter Selasky return (USB_ERR_INVAL); 140313540260SHans Petter Selasky 140413540260SHans Petter Selasky index = udev->controller_slot_id; 140513540260SHans Petter Selasky 140613540260SHans Petter Selasky hdev = &sc->sc_hw.devs[index]; 140713540260SHans Petter Selasky 140813540260SHans Petter Selasky if (mtx != NULL) 140913540260SHans Petter Selasky mtx_unlock(mtx); 141013540260SHans Petter Selasky 141113540260SHans Petter Selasky XHCI_CMD_LOCK(sc); 141213540260SHans Petter Selasky 141313540260SHans Petter Selasky switch (hdev->state) { 141413540260SHans Petter Selasky case XHCI_ST_DEFAULT: 141513540260SHans Petter Selasky case XHCI_ST_ENABLED: 141613540260SHans Petter Selasky 141713540260SHans Petter Selasky hdev->state = XHCI_ST_ENABLED; 141813540260SHans Petter Selasky 141913540260SHans Petter Selasky /* set configure mask to slot and EP0 */ 142013540260SHans Petter Selasky xhci_configure_mask(udev, 3, 0); 142113540260SHans Petter Selasky 142213540260SHans Petter Selasky /* configure input slot context structure */ 142313540260SHans Petter Selasky err = xhci_configure_device(udev); 142413540260SHans Petter Selasky 142513540260SHans Petter Selasky if (err != 0) { 142613540260SHans Petter Selasky DPRINTF("Could not configure device\n"); 142713540260SHans Petter Selasky break; 142813540260SHans Petter Selasky } 142913540260SHans Petter Selasky 143013540260SHans Petter Selasky /* configure input endpoint context structure */ 143113540260SHans Petter Selasky switch (udev->speed) { 143213540260SHans Petter Selasky case USB_SPEED_LOW: 143313540260SHans Petter Selasky case USB_SPEED_FULL: 143413540260SHans Petter Selasky mps = 8; 143513540260SHans Petter Selasky break; 143613540260SHans Petter Selasky case USB_SPEED_HIGH: 143713540260SHans Petter Selasky mps = 64; 143813540260SHans Petter Selasky break; 143913540260SHans Petter Selasky default: 144013540260SHans Petter Selasky mps = 512; 144113540260SHans Petter Selasky break; 144213540260SHans Petter Selasky } 144313540260SHans Petter Selasky 144413540260SHans Petter Selasky pepext = xhci_get_endpoint_ext(udev, 144513540260SHans Petter Selasky &udev->ctrl_ep_desc); 1446bcb1c165SHans Petter Selasky 1447bcb1c165SHans Petter Selasky /* ensure the control endpoint is setup again */ 1448bcb1c165SHans Petter Selasky USB_BUS_LOCK(udev->bus); 1449bcb1c165SHans Petter Selasky pepext->trb_halted = 1; 1450bcb1c165SHans Petter Selasky pepext->trb_running = 0; 1451bcb1c165SHans Petter Selasky USB_BUS_UNLOCK(udev->bus); 1452bcb1c165SHans Petter Selasky 145313540260SHans Petter Selasky err = xhci_configure_endpoint(udev, 1454cfa00b0dSHans Petter Selasky &udev->ctrl_ep_desc, pepext, 1455a5cf1aaaSHans Petter Selasky 0, 1, 1, 0, mps, mps, USB_EP_MODE_DEFAULT); 145613540260SHans Petter Selasky 145713540260SHans Petter Selasky if (err != 0) { 145813540260SHans Petter Selasky DPRINTF("Could not configure default endpoint\n"); 145913540260SHans Petter Selasky break; 146013540260SHans Petter Selasky } 146113540260SHans Petter Selasky 146213540260SHans Petter Selasky /* execute set address command */ 146313540260SHans Petter Selasky usbd_get_page(&hdev->input_pc, 0, &buf_inp); 146413540260SHans Petter Selasky 146513540260SHans Petter Selasky err = xhci_cmd_set_address(sc, buf_inp.physaddr, 146613540260SHans Petter Selasky (address == 0), index); 146713540260SHans Petter Selasky 146813540260SHans Petter Selasky if (err != 0) { 14694c5d1323SHans Petter Selasky temp = le32toh(sc->sc_cmd_result[0]); 14704c5d1323SHans Petter Selasky if (address == 0 && sc->sc_port_route != NULL && 14714c5d1323SHans Petter Selasky XHCI_TRB_2_ERROR_GET(temp) == 14724c5d1323SHans Petter Selasky XHCI_TRB_ERROR_PARAMETER) { 14734c5d1323SHans Petter Selasky /* LynxPoint XHCI - ports are not switchable */ 14744c5d1323SHans Petter Selasky /* Un-route all ports from the XHCI */ 14754c5d1323SHans Petter Selasky sc->sc_port_route(sc->sc_bus.parent, 0, ~0); 14764c5d1323SHans Petter Selasky } 147713540260SHans Petter Selasky DPRINTF("Could not set address " 147813540260SHans Petter Selasky "for slot %u.\n", index); 147913540260SHans Petter Selasky if (address != 0) 148013540260SHans Petter Selasky break; 148113540260SHans Petter Selasky } 148213540260SHans Petter Selasky 148313540260SHans Petter Selasky /* update device address to new value */ 148413540260SHans Petter Selasky 148513540260SHans Petter Selasky usbd_get_page(&hdev->device_pc, 0, &buf_dev); 148613540260SHans Petter Selasky pdev = buf_dev.buffer; 148713540260SHans Petter Selasky usb_pc_cpu_invalidate(&hdev->device_pc); 1488c1338c65SHans Petter Selasky 1489c1338c65SHans Petter Selasky temp = xhci_ctx_get_le32(sc, &pdev->ctx_slot.dwSctx3); 1490c1338c65SHans Petter Selasky udev->address = XHCI_SCTX_3_DEV_ADDR_GET(temp); 149113540260SHans Petter Selasky 149213540260SHans Petter Selasky /* update device state to new value */ 149313540260SHans Petter Selasky 149413540260SHans Petter Selasky if (address != 0) 149513540260SHans Petter Selasky hdev->state = XHCI_ST_ADDRESSED; 149613540260SHans Petter Selasky else 149713540260SHans Petter Selasky hdev->state = XHCI_ST_DEFAULT; 149813540260SHans Petter Selasky break; 149913540260SHans Petter Selasky 150013540260SHans Petter Selasky default: 150113540260SHans Petter Selasky DPRINTF("Wrong state for set address.\n"); 150213540260SHans Petter Selasky err = USB_ERR_IOERROR; 150313540260SHans Petter Selasky break; 150413540260SHans Petter Selasky } 150513540260SHans Petter Selasky XHCI_CMD_UNLOCK(sc); 150613540260SHans Petter Selasky 150713540260SHans Petter Selasky if (mtx != NULL) 150813540260SHans Petter Selasky mtx_lock(mtx); 150913540260SHans Petter Selasky 151013540260SHans Petter Selasky return (err); 151113540260SHans Petter Selasky } 151213540260SHans Petter Selasky 151313540260SHans Petter Selasky static usb_error_t 151413540260SHans Petter Selasky xhci_cmd_configure_ep(struct xhci_softc *sc, uint64_t input_ctx, 151513540260SHans Petter Selasky uint8_t deconfigure, uint8_t slot_id) 151613540260SHans Petter Selasky { 151713540260SHans Petter Selasky struct xhci_trb trb; 151813540260SHans Petter Selasky uint32_t temp; 151913540260SHans Petter Selasky 152013540260SHans Petter Selasky DPRINTF("\n"); 152113540260SHans Petter Selasky 152213540260SHans Petter Selasky trb.qwTrb0 = htole64(input_ctx); 152313540260SHans Petter Selasky trb.dwTrb2 = 0; 152413540260SHans Petter Selasky temp = XHCI_TRB_3_TYPE_SET(XHCI_TRB_TYPE_CONFIGURE_EP) | 152513540260SHans Petter Selasky XHCI_TRB_3_SLOT_SET(slot_id); 152613540260SHans Petter Selasky 152713540260SHans Petter Selasky if (deconfigure) 152813540260SHans Petter Selasky temp |= XHCI_TRB_3_DCEP_BIT; 152913540260SHans Petter Selasky 153013540260SHans Petter Selasky trb.dwTrb3 = htole32(temp); 153113540260SHans Petter Selasky 15328c09f3a1SHans Petter Selasky return (xhci_do_command(sc, &trb, 100 /* ms */)); 153313540260SHans Petter Selasky } 153413540260SHans Petter Selasky 153513540260SHans Petter Selasky static usb_error_t 153613540260SHans Petter Selasky xhci_cmd_evaluate_ctx(struct xhci_softc *sc, uint64_t input_ctx, 153713540260SHans Petter Selasky uint8_t slot_id) 153813540260SHans Petter Selasky { 153913540260SHans Petter Selasky struct xhci_trb trb; 154013540260SHans Petter Selasky uint32_t temp; 154113540260SHans Petter Selasky 154213540260SHans Petter Selasky DPRINTF("\n"); 154313540260SHans Petter Selasky 154413540260SHans Petter Selasky trb.qwTrb0 = htole64(input_ctx); 154513540260SHans Petter Selasky trb.dwTrb2 = 0; 154613540260SHans Petter Selasky temp = XHCI_TRB_3_TYPE_SET(XHCI_TRB_TYPE_EVALUATE_CTX) | 154713540260SHans Petter Selasky XHCI_TRB_3_SLOT_SET(slot_id); 154813540260SHans Petter Selasky trb.dwTrb3 = htole32(temp); 154913540260SHans Petter Selasky 15508c09f3a1SHans Petter Selasky return (xhci_do_command(sc, &trb, 100 /* ms */)); 155113540260SHans Petter Selasky } 155213540260SHans Petter Selasky 155313540260SHans Petter Selasky static usb_error_t 155413540260SHans Petter Selasky xhci_cmd_reset_ep(struct xhci_softc *sc, uint8_t preserve, 155513540260SHans Petter Selasky uint8_t ep_id, uint8_t slot_id) 155613540260SHans Petter Selasky { 155713540260SHans Petter Selasky struct xhci_trb trb; 155813540260SHans Petter Selasky uint32_t temp; 155913540260SHans Petter Selasky 156013540260SHans Petter Selasky DPRINTF("\n"); 156113540260SHans Petter Selasky 156213540260SHans Petter Selasky trb.qwTrb0 = 0; 156313540260SHans Petter Selasky trb.dwTrb2 = 0; 156413540260SHans Petter Selasky temp = XHCI_TRB_3_TYPE_SET(XHCI_TRB_TYPE_RESET_EP) | 156513540260SHans Petter Selasky XHCI_TRB_3_SLOT_SET(slot_id) | 156613540260SHans Petter Selasky XHCI_TRB_3_EP_SET(ep_id); 156713540260SHans Petter Selasky 156813540260SHans Petter Selasky if (preserve) 156913540260SHans Petter Selasky temp |= XHCI_TRB_3_PRSV_BIT; 157013540260SHans Petter Selasky 157113540260SHans Petter Selasky trb.dwTrb3 = htole32(temp); 157213540260SHans Petter Selasky 15738c09f3a1SHans Petter Selasky return (xhci_do_command(sc, &trb, 100 /* ms */)); 157413540260SHans Petter Selasky } 157513540260SHans Petter Selasky 157613540260SHans Petter Selasky static usb_error_t 157713540260SHans Petter Selasky xhci_cmd_set_tr_dequeue_ptr(struct xhci_softc *sc, uint64_t dequeue_ptr, 157813540260SHans Petter Selasky uint16_t stream_id, uint8_t ep_id, uint8_t slot_id) 157913540260SHans Petter Selasky { 158013540260SHans Petter Selasky struct xhci_trb trb; 158113540260SHans Petter Selasky uint32_t temp; 158213540260SHans Petter Selasky 158313540260SHans Petter Selasky DPRINTF("\n"); 158413540260SHans Petter Selasky 158513540260SHans Petter Selasky trb.qwTrb0 = htole64(dequeue_ptr); 158613540260SHans Petter Selasky 158713540260SHans Petter Selasky temp = XHCI_TRB_2_STREAM_SET(stream_id); 158813540260SHans Petter Selasky trb.dwTrb2 = htole32(temp); 158913540260SHans Petter Selasky 159013540260SHans Petter Selasky temp = XHCI_TRB_3_TYPE_SET(XHCI_TRB_TYPE_SET_TR_DEQUEUE) | 159113540260SHans Petter Selasky XHCI_TRB_3_SLOT_SET(slot_id) | 159213540260SHans Petter Selasky XHCI_TRB_3_EP_SET(ep_id); 159313540260SHans Petter Selasky trb.dwTrb3 = htole32(temp); 159413540260SHans Petter Selasky 15958c09f3a1SHans Petter Selasky return (xhci_do_command(sc, &trb, 100 /* ms */)); 159613540260SHans Petter Selasky } 159713540260SHans Petter Selasky 159813540260SHans Petter Selasky static usb_error_t 159913540260SHans Petter Selasky xhci_cmd_stop_ep(struct xhci_softc *sc, uint8_t suspend, 160013540260SHans Petter Selasky uint8_t ep_id, uint8_t slot_id) 160113540260SHans Petter Selasky { 160213540260SHans Petter Selasky struct xhci_trb trb; 160313540260SHans Petter Selasky uint32_t temp; 160413540260SHans Petter Selasky 160513540260SHans Petter Selasky DPRINTF("\n"); 160613540260SHans Petter Selasky 160713540260SHans Petter Selasky trb.qwTrb0 = 0; 160813540260SHans Petter Selasky trb.dwTrb2 = 0; 160913540260SHans Petter Selasky temp = XHCI_TRB_3_TYPE_SET(XHCI_TRB_TYPE_STOP_EP) | 161013540260SHans Petter Selasky XHCI_TRB_3_SLOT_SET(slot_id) | 161113540260SHans Petter Selasky XHCI_TRB_3_EP_SET(ep_id); 161213540260SHans Petter Selasky 161313540260SHans Petter Selasky if (suspend) 161413540260SHans Petter Selasky temp |= XHCI_TRB_3_SUSP_EP_BIT; 161513540260SHans Petter Selasky 161613540260SHans Petter Selasky trb.dwTrb3 = htole32(temp); 161713540260SHans Petter Selasky 16188c09f3a1SHans Petter Selasky return (xhci_do_command(sc, &trb, 100 /* ms */)); 161913540260SHans Petter Selasky } 162013540260SHans Petter Selasky 162113540260SHans Petter Selasky static usb_error_t 162213540260SHans Petter Selasky xhci_cmd_reset_dev(struct xhci_softc *sc, uint8_t slot_id) 162313540260SHans Petter Selasky { 162413540260SHans Petter Selasky struct xhci_trb trb; 162513540260SHans Petter Selasky uint32_t temp; 162613540260SHans Petter Selasky 162713540260SHans Petter Selasky DPRINTF("\n"); 162813540260SHans Petter Selasky 162913540260SHans Petter Selasky trb.qwTrb0 = 0; 163013540260SHans Petter Selasky trb.dwTrb2 = 0; 163113540260SHans Petter Selasky temp = XHCI_TRB_3_TYPE_SET(XHCI_TRB_TYPE_RESET_DEVICE) | 163213540260SHans Petter Selasky XHCI_TRB_3_SLOT_SET(slot_id); 163313540260SHans Petter Selasky 163413540260SHans Petter Selasky trb.dwTrb3 = htole32(temp); 163513540260SHans Petter Selasky 16368c09f3a1SHans Petter Selasky return (xhci_do_command(sc, &trb, 100 /* ms */)); 163713540260SHans Petter Selasky } 163813540260SHans Petter Selasky 163913540260SHans Petter Selasky /*------------------------------------------------------------------------* 164013540260SHans Petter Selasky * xhci_interrupt - XHCI interrupt handler 164113540260SHans Petter Selasky *------------------------------------------------------------------------*/ 164213540260SHans Petter Selasky void 164313540260SHans Petter Selasky xhci_interrupt(struct xhci_softc *sc) 164413540260SHans Petter Selasky { 164513540260SHans Petter Selasky uint32_t status; 164613156a52SHans Petter Selasky uint32_t temp; 164713540260SHans Petter Selasky 164813540260SHans Petter Selasky USB_BUS_LOCK(&sc->sc_bus); 164913540260SHans Petter Selasky 165013540260SHans Petter Selasky status = XREAD4(sc, oper, XHCI_USBSTS); 165113540260SHans Petter Selasky 165267fd1a8fSHans Petter Selasky /* acknowledge interrupts, if any */ 165367fd1a8fSHans Petter Selasky if (status != 0) { 165413540260SHans Petter Selasky XWRITE4(sc, oper, XHCI_USBSTS, status); 16556317f316SHans Petter Selasky DPRINTFN(16, "real interrupt (status=0x%08x)\n", status); 165667fd1a8fSHans Petter Selasky } 16576317f316SHans Petter Selasky 165813156a52SHans Petter Selasky temp = XREAD4(sc, runt, XHCI_IMAN(0)); 165913156a52SHans Petter Selasky 166013156a52SHans Petter Selasky /* force clearing of pending interrupts */ 166113156a52SHans Petter Selasky if (temp & XHCI_IMAN_INTR_PEND) 166213156a52SHans Petter Selasky XWRITE4(sc, runt, XHCI_IMAN(0), temp); 166313156a52SHans Petter Selasky 16646317f316SHans Petter Selasky /* check for event(s) */ 16656317f316SHans Petter Selasky xhci_interrupt_poll(sc); 166613540260SHans Petter Selasky 1667878b1fbdSHans Petter Selasky if (status & (XHCI_STS_PCD | XHCI_STS_HCH | 1668878b1fbdSHans Petter Selasky XHCI_STS_HSE | XHCI_STS_HCE)) { 1669878b1fbdSHans Petter Selasky 167013540260SHans Petter Selasky if (status & XHCI_STS_PCD) { 167113540260SHans Petter Selasky xhci_root_intr(sc); 167213540260SHans Petter Selasky } 167313540260SHans Petter Selasky 167413540260SHans Petter Selasky if (status & XHCI_STS_HCH) { 167513540260SHans Petter Selasky printf("%s: host controller halted\n", 167613540260SHans Petter Selasky __FUNCTION__); 167713540260SHans Petter Selasky } 167813540260SHans Petter Selasky 167913540260SHans Petter Selasky if (status & XHCI_STS_HSE) { 168013540260SHans Petter Selasky printf("%s: host system error\n", 168113540260SHans Petter Selasky __FUNCTION__); 168213540260SHans Petter Selasky } 168313540260SHans Petter Selasky 168413540260SHans Petter Selasky if (status & XHCI_STS_HCE) { 168513540260SHans Petter Selasky printf("%s: host controller error\n", 168613540260SHans Petter Selasky __FUNCTION__); 168713540260SHans Petter Selasky } 168813540260SHans Petter Selasky } 168913540260SHans Petter Selasky USB_BUS_UNLOCK(&sc->sc_bus); 169013540260SHans Petter Selasky } 169113540260SHans Petter Selasky 169213540260SHans Petter Selasky /*------------------------------------------------------------------------* 169313540260SHans Petter Selasky * xhci_timeout - XHCI timeout handler 169413540260SHans Petter Selasky *------------------------------------------------------------------------*/ 169513540260SHans Petter Selasky static void 169613540260SHans Petter Selasky xhci_timeout(void *arg) 169713540260SHans Petter Selasky { 169813540260SHans Petter Selasky struct usb_xfer *xfer = arg; 169913540260SHans Petter Selasky 170013540260SHans Petter Selasky DPRINTF("xfer=%p\n", xfer); 170113540260SHans Petter Selasky 170213540260SHans Petter Selasky USB_BUS_LOCK_ASSERT(xfer->xroot->bus, MA_OWNED); 170313540260SHans Petter Selasky 170413540260SHans Petter Selasky /* transfer is transferred */ 170513540260SHans Petter Selasky xhci_device_done(xfer, USB_ERR_TIMEOUT); 170613540260SHans Petter Selasky } 170713540260SHans Petter Selasky 170813540260SHans Petter Selasky static void 170913540260SHans Petter Selasky xhci_do_poll(struct usb_bus *bus) 171013540260SHans Petter Selasky { 171113540260SHans Petter Selasky struct xhci_softc *sc = XHCI_BUS2SC(bus); 171213540260SHans Petter Selasky 171313540260SHans Petter Selasky USB_BUS_LOCK(&sc->sc_bus); 171413540260SHans Petter Selasky xhci_interrupt_poll(sc); 171513540260SHans Petter Selasky USB_BUS_UNLOCK(&sc->sc_bus); 171613540260SHans Petter Selasky } 171713540260SHans Petter Selasky 171813540260SHans Petter Selasky static void 171913540260SHans Petter Selasky xhci_setup_generic_chain_sub(struct xhci_std_temp *temp) 172013540260SHans Petter Selasky { 172113540260SHans Petter Selasky struct usb_page_search buf_res; 172213540260SHans Petter Selasky struct xhci_td *td; 172313540260SHans Petter Selasky struct xhci_td *td_next; 172413540260SHans Petter Selasky struct xhci_td *td_alt_next; 1725d5d96494SHans Petter Selasky struct xhci_td *td_first; 172613540260SHans Petter Selasky uint32_t buf_offset; 172713540260SHans Petter Selasky uint32_t average; 172813540260SHans Petter Selasky uint32_t len_old; 1729e4554700SHans Petter Selasky uint32_t npkt_off; 173013540260SHans Petter Selasky uint32_t dword; 173113540260SHans Petter Selasky uint8_t shortpkt_old; 173213540260SHans Petter Selasky uint8_t precompute; 173313540260SHans Petter Selasky uint8_t x; 173413540260SHans Petter Selasky 173513540260SHans Petter Selasky td_alt_next = NULL; 173613540260SHans Petter Selasky buf_offset = 0; 173713540260SHans Petter Selasky shortpkt_old = temp->shortpkt; 173813540260SHans Petter Selasky len_old = temp->len; 1739e4554700SHans Petter Selasky npkt_off = 0; 174013540260SHans Petter Selasky precompute = 1; 174113540260SHans Petter Selasky 174213540260SHans Petter Selasky restart: 174313540260SHans Petter Selasky 174413540260SHans Petter Selasky td = temp->td; 1745d5d96494SHans Petter Selasky td_next = td_first = temp->td_next; 174613540260SHans Petter Selasky 174713540260SHans Petter Selasky while (1) { 174813540260SHans Petter Selasky 174913540260SHans Petter Selasky if (temp->len == 0) { 175013540260SHans Petter Selasky 175113540260SHans Petter Selasky if (temp->shortpkt) 175213540260SHans Petter Selasky break; 175313540260SHans Petter Selasky 175413540260SHans Petter Selasky /* send a Zero Length Packet, ZLP, last */ 175513540260SHans Petter Selasky 175613540260SHans Petter Selasky temp->shortpkt = 1; 175713540260SHans Petter Selasky average = 0; 175813540260SHans Petter Selasky 175913540260SHans Petter Selasky } else { 176013540260SHans Petter Selasky 176113540260SHans Petter Selasky average = temp->average; 176213540260SHans Petter Selasky 176313540260SHans Petter Selasky if (temp->len < average) { 176413540260SHans Petter Selasky if (temp->len % temp->max_packet_size) { 176513540260SHans Petter Selasky temp->shortpkt = 1; 176613540260SHans Petter Selasky } 176713540260SHans Petter Selasky average = temp->len; 176813540260SHans Petter Selasky } 176913540260SHans Petter Selasky } 177013540260SHans Petter Selasky 177113540260SHans Petter Selasky if (td_next == NULL) 177213540260SHans Petter Selasky panic("%s: out of XHCI transfer descriptors!", __FUNCTION__); 177313540260SHans Petter Selasky 177413540260SHans Petter Selasky /* get next TD */ 177513540260SHans Petter Selasky 177613540260SHans Petter Selasky td = td_next; 177713540260SHans Petter Selasky td_next = td->obj_next; 177813540260SHans Petter Selasky 177913540260SHans Petter Selasky /* check if we are pre-computing */ 178013540260SHans Petter Selasky 178113540260SHans Petter Selasky if (precompute) { 178213540260SHans Petter Selasky 178313540260SHans Petter Selasky /* update remaining length */ 178413540260SHans Petter Selasky 178513540260SHans Petter Selasky temp->len -= average; 178613540260SHans Petter Selasky 178713540260SHans Petter Selasky continue; 178813540260SHans Petter Selasky } 178913540260SHans Petter Selasky /* fill out current TD */ 179013540260SHans Petter Selasky 179113540260SHans Petter Selasky td->len = average; 179213540260SHans Petter Selasky td->remainder = 0; 179313540260SHans Petter Selasky td->status = 0; 179413540260SHans Petter Selasky 179513540260SHans Petter Selasky /* update remaining length */ 179613540260SHans Petter Selasky 179713540260SHans Petter Selasky temp->len -= average; 179813540260SHans Petter Selasky 179913540260SHans Petter Selasky /* reset TRB index */ 180013540260SHans Petter Selasky 180113540260SHans Petter Selasky x = 0; 180213540260SHans Petter Selasky 180313540260SHans Petter Selasky if (temp->trb_type == XHCI_TRB_TYPE_SETUP_STAGE) { 180413540260SHans Petter Selasky /* immediate data */ 180513540260SHans Petter Selasky 180613540260SHans Petter Selasky if (average > 8) 180713540260SHans Petter Selasky average = 8; 180813540260SHans Petter Selasky 180913540260SHans Petter Selasky td->td_trb[0].qwTrb0 = 0; 181013540260SHans Petter Selasky 181113540260SHans Petter Selasky usbd_copy_out(temp->pc, temp->offset + buf_offset, 181213540260SHans Petter Selasky (uint8_t *)(uintptr_t)&td->td_trb[0].qwTrb0, 181313540260SHans Petter Selasky average); 181413540260SHans Petter Selasky 181513540260SHans Petter Selasky dword = XHCI_TRB_2_BYTES_SET(8) | 181613540260SHans Petter Selasky XHCI_TRB_2_TDSZ_SET(0) | 181713540260SHans Petter Selasky XHCI_TRB_2_IRQ_SET(0); 181813540260SHans Petter Selasky 181913540260SHans Petter Selasky td->td_trb[0].dwTrb2 = htole32(dword); 182013540260SHans Petter Selasky 182113540260SHans Petter Selasky dword = XHCI_TRB_3_TYPE_SET(XHCI_TRB_TYPE_SETUP_STAGE) | 182213540260SHans Petter Selasky XHCI_TRB_3_IDT_BIT | XHCI_TRB_3_CYCLE_BIT; 182313540260SHans Petter Selasky 182413540260SHans Petter Selasky /* check wLength */ 182513540260SHans Petter Selasky if (td->td_trb[0].qwTrb0 & 182613540260SHans Petter Selasky htole64(XHCI_TRB_0_WLENGTH_MASK)) { 1827c4a1e93fSHans Petter Selasky if (td->td_trb[0].qwTrb0 & 1828c4a1e93fSHans Petter Selasky htole64(XHCI_TRB_0_DIR_IN_MASK)) 182913540260SHans Petter Selasky dword |= XHCI_TRB_3_TRT_IN; 183013540260SHans Petter Selasky else 183113540260SHans Petter Selasky dword |= XHCI_TRB_3_TRT_OUT; 183213540260SHans Petter Selasky } 183313540260SHans Petter Selasky 183413540260SHans Petter Selasky td->td_trb[0].dwTrb3 = htole32(dword); 183513540260SHans Petter Selasky #ifdef USB_DEBUG 183613540260SHans Petter Selasky xhci_dump_trb(&td->td_trb[x]); 183713540260SHans Petter Selasky #endif 183813540260SHans Petter Selasky x++; 183913540260SHans Petter Selasky 184013540260SHans Petter Selasky } else do { 184113540260SHans Petter Selasky 184213540260SHans Petter Selasky uint32_t npkt; 184313540260SHans Petter Selasky 184413540260SHans Petter Selasky /* fill out buffer pointers */ 184513540260SHans Petter Selasky 184613540260SHans Petter Selasky if (average == 0) { 184713540260SHans Petter Selasky memset(&buf_res, 0, sizeof(buf_res)); 184813540260SHans Petter Selasky } else { 184913540260SHans Petter Selasky usbd_get_page(temp->pc, temp->offset + 185013540260SHans Petter Selasky buf_offset, &buf_res); 185113540260SHans Petter Selasky 185213540260SHans Petter Selasky /* get length to end of page */ 185313540260SHans Petter Selasky if (buf_res.length > average) 185413540260SHans Petter Selasky buf_res.length = average; 185513540260SHans Petter Selasky 185613540260SHans Petter Selasky /* check for maximum length */ 185713540260SHans Petter Selasky if (buf_res.length > XHCI_TD_PAGE_SIZE) 185813540260SHans Petter Selasky buf_res.length = XHCI_TD_PAGE_SIZE; 185913540260SHans Petter Selasky 1860e4554700SHans Petter Selasky npkt_off += buf_res.length; 186125cedb6fSHans Petter Selasky } 1862e4554700SHans Petter Selasky 186313540260SHans Petter Selasky /* set up npkt */ 1864057b4402SPedro F. Giffuni npkt = howmany(len_old - npkt_off, 1865057b4402SPedro F. Giffuni temp->max_packet_size); 186613540260SHans Petter Selasky 186725cedb6fSHans Petter Selasky if (npkt == 0) 186825cedb6fSHans Petter Selasky npkt = 1; 186925cedb6fSHans Petter Selasky else if (npkt > 31) 187013540260SHans Petter Selasky npkt = 31; 187113540260SHans Petter Selasky 187213540260SHans Petter Selasky /* fill out TRB's */ 187313540260SHans Petter Selasky td->td_trb[x].qwTrb0 = 187413540260SHans Petter Selasky htole64((uint64_t)buf_res.physaddr); 187513540260SHans Petter Selasky 187613540260SHans Petter Selasky dword = 187713540260SHans Petter Selasky XHCI_TRB_2_BYTES_SET(buf_res.length) | 187813540260SHans Petter Selasky XHCI_TRB_2_TDSZ_SET(npkt) | 187913540260SHans Petter Selasky XHCI_TRB_2_IRQ_SET(0); 188013540260SHans Petter Selasky 188113540260SHans Petter Selasky td->td_trb[x].dwTrb2 = htole32(dword); 188213540260SHans Petter Selasky 1883d5d96494SHans Petter Selasky switch (temp->trb_type) { 1884d5d96494SHans Petter Selasky case XHCI_TRB_TYPE_ISOCH: 188513540260SHans Petter Selasky dword = XHCI_TRB_3_CHAIN_BIT | XHCI_TRB_3_CYCLE_BIT | 188613540260SHans Petter Selasky XHCI_TRB_3_TBC_SET(temp->tbc) | 188713540260SHans Petter Selasky XHCI_TRB_3_TLBPC_SET(temp->tlbpc); 1888d5d96494SHans Petter Selasky if (td != td_first) { 1889c82b624fSHans Petter Selasky dword |= XHCI_TRB_3_TYPE_SET(XHCI_TRB_TYPE_NORMAL); 1890d5d96494SHans Petter Selasky } else if (temp->do_isoc_sync != 0) { 18910a4cc48fSHans Petter Selasky temp->do_isoc_sync = 0; 1892d5d96494SHans Petter Selasky /* wait until "isoc_frame" */ 1893d5d96494SHans Petter Selasky dword |= XHCI_TRB_3_TYPE_SET(XHCI_TRB_TYPE_ISOCH) | 1894d5d96494SHans Petter Selasky XHCI_TRB_3_FRID_SET(temp->isoc_frame / 8); 1895ef32af21SHans Petter Selasky } else { 1896d5d96494SHans Petter Selasky /* start data transfer at next interval */ 1897d5d96494SHans Petter Selasky dword |= XHCI_TRB_3_TYPE_SET(XHCI_TRB_TYPE_ISOCH) | 1898d5d96494SHans Petter Selasky XHCI_TRB_3_ISO_SIA_BIT; 1899ef32af21SHans Petter Selasky } 1900d5d96494SHans Petter Selasky if (temp->direction == UE_DIR_IN) 1901c73bbf98SHans Petter Selasky dword |= XHCI_TRB_3_ISP_BIT; 1902d5d96494SHans Petter Selasky break; 1903d5d96494SHans Petter Selasky case XHCI_TRB_TYPE_DATA_STAGE: 1904d5d96494SHans Petter Selasky dword = XHCI_TRB_3_CHAIN_BIT | XHCI_TRB_3_CYCLE_BIT | 1905c73bbf98SHans Petter Selasky XHCI_TRB_3_TYPE_SET(XHCI_TRB_TYPE_DATA_STAGE); 1906d5d96494SHans Petter Selasky if (temp->direction == UE_DIR_IN) 1907d5d96494SHans Petter Selasky dword |= XHCI_TRB_3_DIR_IN | XHCI_TRB_3_ISP_BIT; 1908add9e3e5SHans Petter Selasky /* 1909add9e3e5SHans Petter Selasky * Section 3.2.9 in the XHCI 1910add9e3e5SHans Petter Selasky * specification about control 1911add9e3e5SHans Petter Selasky * transfers says that we should use a 1912add9e3e5SHans Petter Selasky * normal-TRB if there are more TRBs 1913add9e3e5SHans Petter Selasky * extending the data-stage 1914add9e3e5SHans Petter Selasky * TRB. Update the "trb_type". 1915add9e3e5SHans Petter Selasky */ 1916add9e3e5SHans Petter Selasky temp->trb_type = XHCI_TRB_TYPE_NORMAL; 1917d5d96494SHans Petter Selasky break; 1918d5d96494SHans Petter Selasky case XHCI_TRB_TYPE_STATUS_STAGE: 1919d5d96494SHans Petter Selasky dword = XHCI_TRB_3_CHAIN_BIT | XHCI_TRB_3_CYCLE_BIT | 1920c73bbf98SHans Petter Selasky XHCI_TRB_3_TYPE_SET(XHCI_TRB_TYPE_STATUS_STAGE); 1921d5d96494SHans Petter Selasky if (temp->direction == UE_DIR_IN) 192213540260SHans Petter Selasky dword |= XHCI_TRB_3_DIR_IN; 1923d5d96494SHans Petter Selasky break; 1924d5d96494SHans Petter Selasky default: /* XHCI_TRB_TYPE_NORMAL */ 1925d5d96494SHans Petter Selasky dword = XHCI_TRB_3_CHAIN_BIT | XHCI_TRB_3_CYCLE_BIT | 1926c73bbf98SHans Petter Selasky XHCI_TRB_3_TYPE_SET(XHCI_TRB_TYPE_NORMAL); 1927d5d96494SHans Petter Selasky if (temp->direction == UE_DIR_IN) 1928c73bbf98SHans Petter Selasky dword |= XHCI_TRB_3_ISP_BIT; 1929d5d96494SHans Petter Selasky break; 193013540260SHans Petter Selasky } 193113540260SHans Petter Selasky td->td_trb[x].dwTrb3 = htole32(dword); 193213540260SHans Petter Selasky 193313540260SHans Petter Selasky average -= buf_res.length; 193413540260SHans Petter Selasky buf_offset += buf_res.length; 193513540260SHans Petter Selasky #ifdef USB_DEBUG 193613540260SHans Petter Selasky xhci_dump_trb(&td->td_trb[x]); 193713540260SHans Petter Selasky #endif 193813540260SHans Petter Selasky x++; 193913540260SHans Petter Selasky 194013540260SHans Petter Selasky } while (average != 0); 194113540260SHans Petter Selasky 194213540260SHans Petter Selasky td->td_trb[x-1].dwTrb3 |= htole32(XHCI_TRB_3_IOC_BIT); 194313540260SHans Petter Selasky 194413540260SHans Petter Selasky /* store number of data TRB's */ 194513540260SHans Petter Selasky 194613540260SHans Petter Selasky td->ntrb = x; 194713540260SHans Petter Selasky 194813540260SHans Petter Selasky DPRINTF("NTRB=%u\n", x); 194913540260SHans Petter Selasky 195013540260SHans Petter Selasky /* fill out link TRB */ 195113540260SHans Petter Selasky 195213540260SHans Petter Selasky if (td_next != NULL) { 195313540260SHans Petter Selasky /* link the current TD with the next one */ 195413540260SHans Petter Selasky td->td_trb[x].qwTrb0 = htole64((uint64_t)td_next->td_self); 195513540260SHans Petter Selasky DPRINTF("LINK=0x%08llx\n", (long long)td_next->td_self); 195613540260SHans Petter Selasky } else { 195713540260SHans Petter Selasky /* this field will get updated later */ 195813540260SHans Petter Selasky DPRINTF("NOLINK\n"); 195913540260SHans Petter Selasky } 196013540260SHans Petter Selasky 196113540260SHans Petter Selasky dword = XHCI_TRB_2_IRQ_SET(0); 196213540260SHans Petter Selasky 196313540260SHans Petter Selasky td->td_trb[x].dwTrb2 = htole32(dword); 196413540260SHans Petter Selasky 196513540260SHans Petter Selasky dword = XHCI_TRB_3_TYPE_SET(XHCI_TRB_TYPE_LINK) | 196627ce2fd6SHans Petter Selasky XHCI_TRB_3_CYCLE_BIT | XHCI_TRB_3_IOC_BIT | 196727ce2fd6SHans Petter Selasky /* 196827ce2fd6SHans Petter Selasky * CHAIN-BIT: Ensure that a multi-TRB IN-endpoint 196927ce2fd6SHans Petter Selasky * frame only receives a single short packet event 197027ce2fd6SHans Petter Selasky * by setting the CHAIN bit in the LINK field. In 197127ce2fd6SHans Petter Selasky * addition some XHCI controllers have problems 197227ce2fd6SHans Petter Selasky * sending a ZLP unless the CHAIN-BIT is set in 197327ce2fd6SHans Petter Selasky * the LINK TRB. 197427ce2fd6SHans Petter Selasky */ 197527ce2fd6SHans Petter Selasky XHCI_TRB_3_CHAIN_BIT; 197613540260SHans Petter Selasky 197713540260SHans Petter Selasky td->td_trb[x].dwTrb3 = htole32(dword); 197813540260SHans Petter Selasky 197913540260SHans Petter Selasky td->alt_next = td_alt_next; 198013540260SHans Petter Selasky #ifdef USB_DEBUG 198113540260SHans Petter Selasky xhci_dump_trb(&td->td_trb[x]); 198213540260SHans Petter Selasky #endif 198313540260SHans Petter Selasky usb_pc_cpu_flush(td->page_cache); 198413540260SHans Petter Selasky } 198513540260SHans Petter Selasky 198613540260SHans Petter Selasky if (precompute) { 198713540260SHans Petter Selasky precompute = 0; 198813540260SHans Petter Selasky 198913540260SHans Petter Selasky /* set up alt next pointer, if any */ 199013540260SHans Petter Selasky if (temp->last_frame) { 199113540260SHans Petter Selasky td_alt_next = NULL; 199213540260SHans Petter Selasky } else { 199313540260SHans Petter Selasky /* we use this field internally */ 199413540260SHans Petter Selasky td_alt_next = td_next; 199513540260SHans Petter Selasky } 199613540260SHans Petter Selasky 199713540260SHans Petter Selasky /* restore */ 199813540260SHans Petter Selasky temp->shortpkt = shortpkt_old; 199913540260SHans Petter Selasky temp->len = len_old; 200013540260SHans Petter Selasky goto restart; 200113540260SHans Petter Selasky } 200213540260SHans Petter Selasky 2003d5d96494SHans Petter Selasky /* 2004d5d96494SHans Petter Selasky * Remove cycle bit from the first TRB if we are 2005d5d96494SHans Petter Selasky * stepping them: 2006d5d96494SHans Petter Selasky */ 2007d5d96494SHans Petter Selasky if (temp->step_td != 0) { 2008d5d96494SHans Petter Selasky td_first->td_trb[0].dwTrb3 &= ~htole32(XHCI_TRB_3_CYCLE_BIT); 2009d5d96494SHans Petter Selasky usb_pc_cpu_flush(td_first->page_cache); 201060decf20SHans Petter Selasky } 201113540260SHans Petter Selasky 201225cedb6fSHans Petter Selasky /* clear TD SIZE to zero, hence this is the last TRB */ 201327ce2fd6SHans Petter Selasky /* remove chain bit because this is the last data TRB in the chain */ 20144e792e43SHans Petter Selasky td->td_trb[td->ntrb - 1].dwTrb2 &= ~htole32(XHCI_TRB_2_TDSZ_SET(31)); 201513540260SHans Petter Selasky td->td_trb[td->ntrb - 1].dwTrb3 &= ~htole32(XHCI_TRB_3_CHAIN_BIT); 20166f0468dfSHans Petter Selasky /* remove CHAIN-BIT from last LINK TRB */ 20176f0468dfSHans Petter Selasky td->td_trb[td->ntrb].dwTrb3 &= ~htole32(XHCI_TRB_3_CHAIN_BIT); 201813540260SHans Petter Selasky 201913540260SHans Petter Selasky usb_pc_cpu_flush(td->page_cache); 202013540260SHans Petter Selasky 202113540260SHans Petter Selasky temp->td = td; 202213540260SHans Petter Selasky temp->td_next = td_next; 202313540260SHans Petter Selasky } 202413540260SHans Petter Selasky 202513540260SHans Petter Selasky static void 202613540260SHans Petter Selasky xhci_setup_generic_chain(struct usb_xfer *xfer) 202713540260SHans Petter Selasky { 202813540260SHans Petter Selasky struct xhci_std_temp temp; 202913540260SHans Petter Selasky struct xhci_td *td; 203013540260SHans Petter Selasky uint32_t x; 203113540260SHans Petter Selasky uint32_t y; 203213540260SHans Petter Selasky uint8_t mult; 203313540260SHans Petter Selasky 20340a4cc48fSHans Petter Selasky temp.do_isoc_sync = 0; 203513540260SHans Petter Selasky temp.step_td = 0; 203613540260SHans Petter Selasky temp.tbc = 0; 203713540260SHans Petter Selasky temp.tlbpc = 0; 203813540260SHans Petter Selasky temp.average = xfer->max_hc_frame_size; 203913540260SHans Petter Selasky temp.max_packet_size = xfer->max_packet_size; 204013540260SHans Petter Selasky temp.sc = XHCI_BUS2SC(xfer->xroot->bus); 204113540260SHans Petter Selasky temp.pc = NULL; 204213540260SHans Petter Selasky temp.last_frame = 0; 204313540260SHans Petter Selasky temp.offset = 0; 204413540260SHans Petter Selasky temp.multishort = xfer->flags_int.isochronous_xfr || 204513540260SHans Petter Selasky xfer->flags_int.control_xfr || 204613540260SHans Petter Selasky xfer->flags_int.short_frames_ok; 204713540260SHans Petter Selasky 204813540260SHans Petter Selasky /* toggle the DMA set we are using */ 204913540260SHans Petter Selasky xfer->flags_int.curr_dma_set ^= 1; 205013540260SHans Petter Selasky 205113540260SHans Petter Selasky /* get next DMA set */ 205213540260SHans Petter Selasky td = xfer->td_start[xfer->flags_int.curr_dma_set]; 205313540260SHans Petter Selasky 205413540260SHans Petter Selasky temp.td = NULL; 205513540260SHans Petter Selasky temp.td_next = td; 205613540260SHans Petter Selasky 205713540260SHans Petter Selasky xfer->td_transfer_first = td; 205813540260SHans Petter Selasky xfer->td_transfer_cache = td; 205913540260SHans Petter Selasky 206013540260SHans Petter Selasky if (xfer->flags_int.isochronous_xfr) { 206113540260SHans Petter Selasky uint8_t shift; 206213540260SHans Petter Selasky 206313540260SHans Petter Selasky /* compute multiplier for ISOCHRONOUS transfers */ 206413540260SHans Petter Selasky mult = xfer->endpoint->ecomp ? 2065a5cf1aaaSHans Petter Selasky UE_GET_SS_ISO_MULT(xfer->endpoint->ecomp->bmAttributes) 2066a5cf1aaaSHans Petter Selasky : 0; 206713540260SHans Petter Selasky /* check for USB 2.0 multiplier */ 206813540260SHans Petter Selasky if (mult == 0) { 206913540260SHans Petter Selasky mult = (xfer->endpoint->edesc-> 207013540260SHans Petter Selasky wMaxPacketSize[1] >> 3) & 3; 207113540260SHans Petter Selasky } 207213540260SHans Petter Selasky /* range check */ 207313540260SHans Petter Selasky if (mult > 2) 207413540260SHans Petter Selasky mult = 3; 207513540260SHans Petter Selasky else 207613540260SHans Petter Selasky mult++; 207713540260SHans Petter Selasky 207813540260SHans Petter Selasky x = XREAD4(temp.sc, runt, XHCI_MFINDEX); 207913540260SHans Petter Selasky 208013540260SHans Petter Selasky DPRINTF("MFINDEX=0x%08x\n", x); 208113540260SHans Petter Selasky 208213540260SHans Petter Selasky switch (usbd_get_speed(xfer->xroot->udev)) { 208313540260SHans Petter Selasky case USB_SPEED_FULL: 208413540260SHans Petter Selasky shift = 3; 208513540260SHans Petter Selasky temp.isoc_delta = 8; /* 1ms */ 208613540260SHans Petter Selasky x += temp.isoc_delta - 1; 208713540260SHans Petter Selasky x &= ~(temp.isoc_delta - 1); 208813540260SHans Petter Selasky break; 208913540260SHans Petter Selasky default: 209013540260SHans Petter Selasky shift = usbd_xfer_get_fps_shift(xfer); 209113540260SHans Petter Selasky temp.isoc_delta = 1U << shift; 209213540260SHans Petter Selasky x += temp.isoc_delta - 1; 209313540260SHans Petter Selasky x &= ~(temp.isoc_delta - 1); 209413540260SHans Petter Selasky /* simple frame load balancing */ 209513540260SHans Petter Selasky x += xfer->endpoint->usb_uframe; 209613540260SHans Petter Selasky break; 209713540260SHans Petter Selasky } 209813540260SHans Petter Selasky 209913540260SHans Petter Selasky y = XHCI_MFINDEX_GET(x - xfer->endpoint->isoc_next); 210013540260SHans Petter Selasky 210113540260SHans Petter Selasky if ((xfer->endpoint->is_synced == 0) || 210213540260SHans Petter Selasky (y < (xfer->nframes << shift)) || 210313540260SHans Petter Selasky (XHCI_MFINDEX_GET(-y) >= (128 * 8))) { 210413540260SHans Petter Selasky /* 210513540260SHans Petter Selasky * If there is data underflow or the pipe 210613540260SHans Petter Selasky * queue is empty we schedule the transfer a 210713540260SHans Petter Selasky * few frames ahead of the current frame 210813540260SHans Petter Selasky * position. Else two isochronous transfers 210913540260SHans Petter Selasky * might overlap. 211013540260SHans Petter Selasky */ 211113540260SHans Petter Selasky xfer->endpoint->isoc_next = XHCI_MFINDEX_GET(x + (3 * 8)); 211213540260SHans Petter Selasky xfer->endpoint->is_synced = 1; 21130a4cc48fSHans Petter Selasky temp.do_isoc_sync = 1; 21140a4cc48fSHans Petter Selasky 211513540260SHans Petter Selasky DPRINTFN(3, "start next=%d\n", xfer->endpoint->isoc_next); 211613540260SHans Petter Selasky } 211713540260SHans Petter Selasky 211813540260SHans Petter Selasky /* compute isochronous completion time */ 211913540260SHans Petter Selasky 212013540260SHans Petter Selasky y = XHCI_MFINDEX_GET(xfer->endpoint->isoc_next - (x & ~7)); 212113540260SHans Petter Selasky 212213540260SHans Petter Selasky xfer->isoc_time_complete = 212313540260SHans Petter Selasky usb_isoc_time_expand(&temp.sc->sc_bus, x / 8) + 212413540260SHans Petter Selasky (y / 8) + (((xfer->nframes << shift) + 7) / 8); 212513540260SHans Petter Selasky 212613540260SHans Petter Selasky x = 0; 212713540260SHans Petter Selasky temp.isoc_frame = xfer->endpoint->isoc_next; 212813540260SHans Petter Selasky temp.trb_type = XHCI_TRB_TYPE_ISOCH; 212913540260SHans Petter Selasky 213013540260SHans Petter Selasky xfer->endpoint->isoc_next += xfer->nframes << shift; 213113540260SHans Petter Selasky 213213540260SHans Petter Selasky } else if (xfer->flags_int.control_xfr) { 213313540260SHans Petter Selasky 213413540260SHans Petter Selasky /* check if we should prepend a setup message */ 213513540260SHans Petter Selasky 213613540260SHans Petter Selasky if (xfer->flags_int.control_hdr) { 213713540260SHans Petter Selasky 213813540260SHans Petter Selasky temp.len = xfer->frlengths[0]; 213913540260SHans Petter Selasky temp.pc = xfer->frbuffers + 0; 214013540260SHans Petter Selasky temp.shortpkt = temp.len ? 1 : 0; 214113540260SHans Petter Selasky temp.trb_type = XHCI_TRB_TYPE_SETUP_STAGE; 214213540260SHans Petter Selasky temp.direction = 0; 214313540260SHans Petter Selasky 214413540260SHans Petter Selasky /* check for last frame */ 214513540260SHans Petter Selasky if (xfer->nframes == 1) { 214613540260SHans Petter Selasky /* no STATUS stage yet, SETUP is last */ 214713540260SHans Petter Selasky if (xfer->flags_int.control_act) 214813540260SHans Petter Selasky temp.last_frame = 1; 214913540260SHans Petter Selasky } 215013540260SHans Petter Selasky 215113540260SHans Petter Selasky xhci_setup_generic_chain_sub(&temp); 215213540260SHans Petter Selasky } 215313540260SHans Petter Selasky x = 1; 215413540260SHans Petter Selasky mult = 1; 215513540260SHans Petter Selasky temp.isoc_delta = 0; 215613540260SHans Petter Selasky temp.isoc_frame = 0; 2157add9e3e5SHans Petter Selasky temp.trb_type = xfer->flags_int.control_did_data ? 2158add9e3e5SHans Petter Selasky XHCI_TRB_TYPE_NORMAL : XHCI_TRB_TYPE_DATA_STAGE; 215913540260SHans Petter Selasky } else { 216013540260SHans Petter Selasky x = 0; 216113540260SHans Petter Selasky mult = 1; 216213540260SHans Petter Selasky temp.isoc_delta = 0; 216313540260SHans Petter Selasky temp.isoc_frame = 0; 216413540260SHans Petter Selasky temp.trb_type = XHCI_TRB_TYPE_NORMAL; 216513540260SHans Petter Selasky } 216613540260SHans Petter Selasky 216713540260SHans Petter Selasky if (x != xfer->nframes) { 216813540260SHans Petter Selasky /* set up page_cache pointer */ 216913540260SHans Petter Selasky temp.pc = xfer->frbuffers + x; 217013540260SHans Petter Selasky /* set endpoint direction */ 217113540260SHans Petter Selasky temp.direction = UE_GET_DIR(xfer->endpointno); 217213540260SHans Petter Selasky } 217313540260SHans Petter Selasky 217413540260SHans Petter Selasky while (x != xfer->nframes) { 217513540260SHans Petter Selasky 217613540260SHans Petter Selasky /* DATA0 / DATA1 message */ 217713540260SHans Petter Selasky 217813540260SHans Petter Selasky temp.len = xfer->frlengths[x]; 217913540260SHans Petter Selasky temp.step_td = ((xfer->endpointno & UE_DIR_IN) && 218013540260SHans Petter Selasky x != 0 && temp.multishort == 0); 218113540260SHans Petter Selasky 218213540260SHans Petter Selasky x++; 218313540260SHans Petter Selasky 218413540260SHans Petter Selasky if (x == xfer->nframes) { 218513540260SHans Petter Selasky if (xfer->flags_int.control_xfr) { 218613540260SHans Petter Selasky /* no STATUS stage yet, DATA is last */ 218713540260SHans Petter Selasky if (xfer->flags_int.control_act) 218813540260SHans Petter Selasky temp.last_frame = 1; 218913540260SHans Petter Selasky } else { 219013540260SHans Petter Selasky temp.last_frame = 1; 219113540260SHans Petter Selasky } 219213540260SHans Petter Selasky } 219313540260SHans Petter Selasky if (temp.len == 0) { 219413540260SHans Petter Selasky 219513540260SHans Petter Selasky /* make sure that we send an USB packet */ 219613540260SHans Petter Selasky 219713540260SHans Petter Selasky temp.shortpkt = 0; 219813540260SHans Petter Selasky 219913540260SHans Petter Selasky temp.tbc = 0; 220013540260SHans Petter Selasky temp.tlbpc = mult - 1; 220113540260SHans Petter Selasky 220213540260SHans Petter Selasky } else if (xfer->flags_int.isochronous_xfr) { 220313540260SHans Petter Selasky 220413540260SHans Petter Selasky uint8_t tdpc; 220513540260SHans Petter Selasky 22060a4cc48fSHans Petter Selasky /* 22070a4cc48fSHans Petter Selasky * Isochronous transfers don't have short 22080a4cc48fSHans Petter Selasky * packet termination: 22090a4cc48fSHans Petter Selasky */ 221013540260SHans Petter Selasky 221113540260SHans Petter Selasky temp.shortpkt = 1; 221213540260SHans Petter Selasky 221313540260SHans Petter Selasky /* isochronous transfers have a transfer limit */ 221413540260SHans Petter Selasky 221513540260SHans Petter Selasky if (temp.len > xfer->max_frame_size) 221613540260SHans Petter Selasky temp.len = xfer->max_frame_size; 221713540260SHans Petter Selasky 221813540260SHans Petter Selasky /* compute TD packet count */ 2219057b4402SPedro F. Giffuni tdpc = howmany(temp.len, xfer->max_packet_size); 222013540260SHans Petter Selasky 2221057b4402SPedro F. Giffuni temp.tbc = howmany(tdpc, mult) - 1; 222213540260SHans Petter Selasky temp.tlbpc = (tdpc % mult); 222313540260SHans Petter Selasky 222413540260SHans Petter Selasky if (temp.tlbpc == 0) 222513540260SHans Petter Selasky temp.tlbpc = mult - 1; 222613540260SHans Petter Selasky else 222713540260SHans Petter Selasky temp.tlbpc--; 222813540260SHans Petter Selasky } else { 222913540260SHans Petter Selasky 223013540260SHans Petter Selasky /* regular data transfer */ 223113540260SHans Petter Selasky 223213540260SHans Petter Selasky temp.shortpkt = xfer->flags.force_short_xfer ? 0 : 1; 223313540260SHans Petter Selasky } 223413540260SHans Petter Selasky 223513540260SHans Petter Selasky xhci_setup_generic_chain_sub(&temp); 223613540260SHans Petter Selasky 223713540260SHans Petter Selasky if (xfer->flags_int.isochronous_xfr) { 223813540260SHans Petter Selasky temp.offset += xfer->frlengths[x - 1]; 223913540260SHans Petter Selasky temp.isoc_frame += temp.isoc_delta; 224013540260SHans Petter Selasky } else { 224113540260SHans Petter Selasky /* get next Page Cache pointer */ 224213540260SHans Petter Selasky temp.pc = xfer->frbuffers + x; 224313540260SHans Petter Selasky } 224413540260SHans Petter Selasky } 224513540260SHans Petter Selasky 224613540260SHans Petter Selasky /* check if we should append a status stage */ 224713540260SHans Petter Selasky 224813540260SHans Petter Selasky if (xfer->flags_int.control_xfr && 224913540260SHans Petter Selasky !xfer->flags_int.control_act) { 225013540260SHans Petter Selasky 225113540260SHans Petter Selasky /* 225213540260SHans Petter Selasky * Send a DATA1 message and invert the current 225313540260SHans Petter Selasky * endpoint direction. 225413540260SHans Petter Selasky */ 2255dd7ea6c2SHans Petter Selasky if (xhcictlstep || temp.sc->sc_ctlstep) { 2256dd7ea6c2SHans Petter Selasky /* 2257dd7ea6c2SHans Petter Selasky * Some XHCI controllers will not delay the 2258dd7ea6c2SHans Petter Selasky * status stage until the next SOF. Force this 2259dd7ea6c2SHans Petter Selasky * behaviour to avoid failed control 2260dd7ea6c2SHans Petter Selasky * transfers. 2261dd7ea6c2SHans Petter Selasky */ 226213540260SHans Petter Selasky temp.step_td = (xfer->nframes != 0); 2263dd7ea6c2SHans Petter Selasky } else { 2264f81d0b43SHans Petter Selasky temp.step_td = 0; 2265dd7ea6c2SHans Petter Selasky } 226613540260SHans Petter Selasky temp.direction = UE_GET_DIR(xfer->endpointno) ^ UE_DIR_IN; 226713540260SHans Petter Selasky temp.len = 0; 226813540260SHans Petter Selasky temp.pc = NULL; 226913540260SHans Petter Selasky temp.shortpkt = 0; 227013540260SHans Petter Selasky temp.last_frame = 1; 227113540260SHans Petter Selasky temp.trb_type = XHCI_TRB_TYPE_STATUS_STAGE; 227213540260SHans Petter Selasky 227313540260SHans Petter Selasky xhci_setup_generic_chain_sub(&temp); 227413540260SHans Petter Selasky } 227513540260SHans Petter Selasky 227613540260SHans Petter Selasky td = temp.td; 227713540260SHans Petter Selasky 227813540260SHans Petter Selasky /* must have at least one frame! */ 227913540260SHans Petter Selasky 228013540260SHans Petter Selasky xfer->td_transfer_last = td; 228113540260SHans Petter Selasky 228213540260SHans Petter Selasky DPRINTF("first=%p last=%p\n", xfer->td_transfer_first, td); 228313540260SHans Petter Selasky } 228413540260SHans Petter Selasky 228513540260SHans Petter Selasky static void 228613540260SHans Petter Selasky xhci_set_slot_pointer(struct xhci_softc *sc, uint8_t index, uint64_t dev_addr) 228713540260SHans Petter Selasky { 228813540260SHans Petter Selasky struct usb_page_search buf_res; 228913540260SHans Petter Selasky struct xhci_dev_ctx_addr *pdctxa; 229013540260SHans Petter Selasky 229113540260SHans Petter Selasky usbd_get_page(&sc->sc_hw.ctx_pc, 0, &buf_res); 229213540260SHans Petter Selasky 229313540260SHans Petter Selasky pdctxa = buf_res.buffer; 229413540260SHans Petter Selasky 229513540260SHans Petter Selasky DPRINTF("addr[%u]=0x%016llx\n", index, (long long)dev_addr); 229613540260SHans Petter Selasky 229713540260SHans Petter Selasky pdctxa->qwBaaDevCtxAddr[index] = htole64(dev_addr); 229813540260SHans Petter Selasky 229913540260SHans Petter Selasky usb_pc_cpu_flush(&sc->sc_hw.ctx_pc); 230013540260SHans Petter Selasky } 230113540260SHans Petter Selasky 230213540260SHans Petter Selasky static usb_error_t 230313540260SHans Petter Selasky xhci_configure_mask(struct usb_device *udev, uint32_t mask, uint8_t drop) 230413540260SHans Petter Selasky { 230513540260SHans Petter Selasky struct xhci_softc *sc = XHCI_BUS2SC(udev->bus); 230613540260SHans Petter Selasky struct usb_page_search buf_inp; 230713540260SHans Petter Selasky struct xhci_input_dev_ctx *pinp; 23085e184962SHans Petter Selasky uint32_t temp; 230913540260SHans Petter Selasky uint8_t index; 23105e184962SHans Petter Selasky uint8_t x; 231113540260SHans Petter Selasky 231213540260SHans Petter Selasky index = udev->controller_slot_id; 231313540260SHans Petter Selasky 231413540260SHans Petter Selasky usbd_get_page(&sc->sc_hw.devs[index].input_pc, 0, &buf_inp); 231513540260SHans Petter Selasky 231613540260SHans Petter Selasky pinp = buf_inp.buffer; 231713540260SHans Petter Selasky 231813540260SHans Petter Selasky if (drop) { 231913540260SHans Petter Selasky mask &= XHCI_INCTX_NON_CTRL_MASK; 2320c1338c65SHans Petter Selasky xhci_ctx_set_le32(sc, &pinp->ctx_input.dwInCtx0, mask); 2321c1338c65SHans Petter Selasky xhci_ctx_set_le32(sc, &pinp->ctx_input.dwInCtx1, 0); 232213540260SHans Petter Selasky } else { 232309081757SHans Petter Selasky /* 232409081757SHans Petter Selasky * Some hardware requires that we drop the endpoint 232509081757SHans Petter Selasky * context before adding it again: 232609081757SHans Petter Selasky */ 232709081757SHans Petter Selasky xhci_ctx_set_le32(sc, &pinp->ctx_input.dwInCtx0, 232809081757SHans Petter Selasky mask & XHCI_INCTX_NON_CTRL_MASK); 232909081757SHans Petter Selasky 233009081757SHans Petter Selasky /* Add new endpoint context */ 2331c1338c65SHans Petter Selasky xhci_ctx_set_le32(sc, &pinp->ctx_input.dwInCtx1, mask); 23325e184962SHans Petter Selasky 23335e184962SHans Petter Selasky /* find most significant set bit */ 23345e184962SHans Petter Selasky for (x = 31; x != 1; x--) { 23355e184962SHans Petter Selasky if (mask & (1 << x)) 23365e184962SHans Petter Selasky break; 23375e184962SHans Petter Selasky } 23385e184962SHans Petter Selasky 23395e184962SHans Petter Selasky /* adjust */ 23405e184962SHans Petter Selasky x--; 23415e184962SHans Petter Selasky 23428b0569baSHans Petter Selasky /* figure out the maximum number of contexts */ 23438b0569baSHans Petter Selasky if (x > sc->sc_hw.devs[index].context_num) 23445e184962SHans Petter Selasky sc->sc_hw.devs[index].context_num = x; 23458b0569baSHans Petter Selasky else 23468b0569baSHans Petter Selasky x = sc->sc_hw.devs[index].context_num; 23478b0569baSHans Petter Selasky 23488b0569baSHans Petter Selasky /* update number of contexts */ 23495e184962SHans Petter Selasky temp = xhci_ctx_get_le32(sc, &pinp->ctx_slot.dwSctx0); 23505e184962SHans Petter Selasky temp &= ~XHCI_SCTX_0_CTX_NUM_SET(31); 23515e184962SHans Petter Selasky temp |= XHCI_SCTX_0_CTX_NUM_SET(x + 1); 23525e184962SHans Petter Selasky xhci_ctx_set_le32(sc, &pinp->ctx_slot.dwSctx0, temp); 23535e184962SHans Petter Selasky } 235491cccb29SHans Petter Selasky usb_pc_cpu_flush(&sc->sc_hw.devs[index].input_pc); 235513540260SHans Petter Selasky return (0); 235613540260SHans Petter Selasky } 235713540260SHans Petter Selasky 235813540260SHans Petter Selasky static usb_error_t 235913540260SHans Petter Selasky xhci_configure_endpoint(struct usb_device *udev, 2360cfa00b0dSHans Petter Selasky struct usb_endpoint_descriptor *edesc, struct xhci_endpoint_ext *pepext, 2361cfa00b0dSHans Petter Selasky uint16_t interval, uint8_t max_packet_count, 2362cfa00b0dSHans Petter Selasky uint8_t mult, uint8_t fps_shift, uint16_t max_packet_size, 2363a5cf1aaaSHans Petter Selasky uint16_t max_frame_size, uint8_t ep_mode) 236413540260SHans Petter Selasky { 236513540260SHans Petter Selasky struct usb_page_search buf_inp; 236613540260SHans Petter Selasky struct xhci_softc *sc = XHCI_BUS2SC(udev->bus); 236713540260SHans Petter Selasky struct xhci_input_dev_ctx *pinp; 2368cfa00b0dSHans Petter Selasky uint64_t ring_addr = pepext->physaddr; 236913540260SHans Petter Selasky uint32_t temp; 237013540260SHans Petter Selasky uint8_t index; 237113540260SHans Petter Selasky uint8_t epno; 237213540260SHans Petter Selasky uint8_t type; 237313540260SHans Petter Selasky 237413540260SHans Petter Selasky index = udev->controller_slot_id; 237513540260SHans Petter Selasky 237613540260SHans Petter Selasky usbd_get_page(&sc->sc_hw.devs[index].input_pc, 0, &buf_inp); 237713540260SHans Petter Selasky 237813540260SHans Petter Selasky pinp = buf_inp.buffer; 237913540260SHans Petter Selasky 238013540260SHans Petter Selasky epno = edesc->bEndpointAddress; 238113540260SHans Petter Selasky type = edesc->bmAttributes & UE_XFERTYPE; 238213540260SHans Petter Selasky 238313540260SHans Petter Selasky if (type == UE_CONTROL) 238413540260SHans Petter Selasky epno |= UE_DIR_IN; 238513540260SHans Petter Selasky 238613540260SHans Petter Selasky epno = XHCI_EPNO2EPID(epno); 238713540260SHans Petter Selasky 238813540260SHans Petter Selasky if (epno == 0) 238913540260SHans Petter Selasky return (USB_ERR_NO_PIPE); /* invalid */ 239013540260SHans Petter Selasky 239113540260SHans Petter Selasky if (max_packet_count == 0) 239213540260SHans Petter Selasky return (USB_ERR_BAD_BUFSIZE); 239313540260SHans Petter Selasky 239413540260SHans Petter Selasky max_packet_count--; 239513540260SHans Petter Selasky 239613540260SHans Petter Selasky if (mult == 0) 239713540260SHans Petter Selasky return (USB_ERR_BAD_BUFSIZE); 239813540260SHans Petter Selasky 2399cfa00b0dSHans Petter Selasky /* store endpoint mode */ 2400cfa00b0dSHans Petter Selasky pepext->trb_ep_mode = ep_mode; 2401b265897cSHans Petter Selasky /* store bMaxPacketSize for control endpoints */ 2402b265897cSHans Petter Selasky pepext->trb_ep_maxp = edesc->wMaxPacketSize[0]; 2403cfa00b0dSHans Petter Selasky usb_pc_cpu_flush(pepext->page_cache); 2404cfa00b0dSHans Petter Selasky 2405a5cf1aaaSHans Petter Selasky if (ep_mode == USB_EP_MODE_STREAMS) { 2406a5cf1aaaSHans Petter Selasky temp = XHCI_EPCTX_0_EPSTATE_SET(0) | 2407a5cf1aaaSHans Petter Selasky XHCI_EPCTX_0_MAXP_STREAMS_SET(XHCI_MAX_STREAMS_LOG - 1) | 2408a5cf1aaaSHans Petter Selasky XHCI_EPCTX_0_LSA_SET(1); 2409a5cf1aaaSHans Petter Selasky 2410a5cf1aaaSHans Petter Selasky ring_addr += sizeof(struct xhci_trb) * 2411a5cf1aaaSHans Petter Selasky XHCI_MAX_TRANSFERS * XHCI_MAX_STREAMS; 2412a5cf1aaaSHans Petter Selasky } else { 241313540260SHans Petter Selasky temp = XHCI_EPCTX_0_EPSTATE_SET(0) | 241413540260SHans Petter Selasky XHCI_EPCTX_0_MAXP_STREAMS_SET(0) | 241513540260SHans Petter Selasky XHCI_EPCTX_0_LSA_SET(0); 241613540260SHans Petter Selasky 2417a5cf1aaaSHans Petter Selasky ring_addr |= XHCI_EPCTX_2_DCS_SET(1); 2418a5cf1aaaSHans Petter Selasky } 2419a5cf1aaaSHans Petter Selasky 242013540260SHans Petter Selasky switch (udev->speed) { 242113540260SHans Petter Selasky case USB_SPEED_FULL: 242213540260SHans Petter Selasky case USB_SPEED_LOW: 242313540260SHans Petter Selasky /* 1ms -> 125us */ 242413540260SHans Petter Selasky fps_shift += 3; 242513540260SHans Petter Selasky break; 242613540260SHans Petter Selasky default: 242713540260SHans Petter Selasky break; 242813540260SHans Petter Selasky } 242913540260SHans Petter Selasky 243013540260SHans Petter Selasky switch (type) { 243113540260SHans Petter Selasky case UE_INTERRUPT: 243213540260SHans Petter Selasky if (fps_shift > 3) 243313540260SHans Petter Selasky fps_shift--; 243413540260SHans Petter Selasky temp |= XHCI_EPCTX_0_IVAL_SET(fps_shift); 243513540260SHans Petter Selasky break; 243613540260SHans Petter Selasky case UE_ISOCHRONOUS: 243713540260SHans Petter Selasky temp |= XHCI_EPCTX_0_IVAL_SET(fps_shift); 243813540260SHans Petter Selasky 243913540260SHans Petter Selasky switch (udev->speed) { 244013540260SHans Petter Selasky case USB_SPEED_SUPER: 244113540260SHans Petter Selasky if (mult > 3) 244213540260SHans Petter Selasky mult = 3; 244313540260SHans Petter Selasky temp |= XHCI_EPCTX_0_MULT_SET(mult - 1); 244413540260SHans Petter Selasky max_packet_count /= mult; 244513540260SHans Petter Selasky break; 244613540260SHans Petter Selasky default: 244713540260SHans Petter Selasky break; 244813540260SHans Petter Selasky } 244913540260SHans Petter Selasky break; 245013540260SHans Petter Selasky default: 245113540260SHans Petter Selasky break; 245213540260SHans Petter Selasky } 245313540260SHans Petter Selasky 2454c1338c65SHans Petter Selasky xhci_ctx_set_le32(sc, &pinp->ctx_ep[epno - 1].dwEpCtx0, temp); 245513540260SHans Petter Selasky 245613540260SHans Petter Selasky temp = 245713540260SHans Petter Selasky XHCI_EPCTX_1_HID_SET(0) | 245813540260SHans Petter Selasky XHCI_EPCTX_1_MAXB_SET(max_packet_count) | 245913540260SHans Petter Selasky XHCI_EPCTX_1_MAXP_SIZE_SET(max_packet_size); 246013540260SHans Petter Selasky 246191cccb29SHans Petter Selasky /* 246291cccb29SHans Petter Selasky * Always enable the "three strikes and you are gone" feature 246391cccb29SHans Petter Selasky * except for ISOCHRONOUS endpoints. This is suggested by 246491cccb29SHans Petter Selasky * section 4.3.3 in the XHCI specification about device slot 246591cccb29SHans Petter Selasky * initialisation. 246691cccb29SHans Petter Selasky */ 246713540260SHans Petter Selasky if (type != UE_ISOCHRONOUS) 246813540260SHans Petter Selasky temp |= XHCI_EPCTX_1_CERR_SET(3); 246913540260SHans Petter Selasky 247013540260SHans Petter Selasky switch (type) { 247113540260SHans Petter Selasky case UE_CONTROL: 247213540260SHans Petter Selasky temp |= XHCI_EPCTX_1_EPTYPE_SET(4); 247313540260SHans Petter Selasky break; 247413540260SHans Petter Selasky case UE_ISOCHRONOUS: 247513540260SHans Petter Selasky temp |= XHCI_EPCTX_1_EPTYPE_SET(1); 247613540260SHans Petter Selasky break; 247713540260SHans Petter Selasky case UE_BULK: 247813540260SHans Petter Selasky temp |= XHCI_EPCTX_1_EPTYPE_SET(2); 247913540260SHans Petter Selasky break; 248013540260SHans Petter Selasky default: 248113540260SHans Petter Selasky temp |= XHCI_EPCTX_1_EPTYPE_SET(3); 248213540260SHans Petter Selasky break; 248313540260SHans Petter Selasky } 248413540260SHans Petter Selasky 248513540260SHans Petter Selasky /* check for IN direction */ 248613540260SHans Petter Selasky if (epno & 1) 248713540260SHans Petter Selasky temp |= XHCI_EPCTX_1_EPTYPE_SET(4); 248813540260SHans Petter Selasky 2489c1338c65SHans Petter Selasky xhci_ctx_set_le32(sc, &pinp->ctx_ep[epno - 1].dwEpCtx1, temp); 2490c1338c65SHans Petter Selasky xhci_ctx_set_le64(sc, &pinp->ctx_ep[epno - 1].qwEpCtx2, ring_addr); 249113540260SHans Petter Selasky 249213540260SHans Petter Selasky switch (edesc->bmAttributes & UE_XFERTYPE) { 249313540260SHans Petter Selasky case UE_INTERRUPT: 249413540260SHans Petter Selasky case UE_ISOCHRONOUS: 249513540260SHans Petter Selasky temp = XHCI_EPCTX_4_MAX_ESIT_PAYLOAD_SET(max_frame_size) | 249613540260SHans Petter Selasky XHCI_EPCTX_4_AVG_TRB_LEN_SET(MIN(XHCI_PAGE_SIZE, 249713540260SHans Petter Selasky max_frame_size)); 249813540260SHans Petter Selasky break; 249913540260SHans Petter Selasky case UE_CONTROL: 250013540260SHans Petter Selasky temp = XHCI_EPCTX_4_AVG_TRB_LEN_SET(8); 250113540260SHans Petter Selasky break; 250213540260SHans Petter Selasky default: 250313540260SHans Petter Selasky temp = XHCI_EPCTX_4_AVG_TRB_LEN_SET(XHCI_PAGE_SIZE); 250413540260SHans Petter Selasky break; 250513540260SHans Petter Selasky } 250613540260SHans Petter Selasky 2507c1338c65SHans Petter Selasky xhci_ctx_set_le32(sc, &pinp->ctx_ep[epno - 1].dwEpCtx4, temp); 250813540260SHans Petter Selasky 250913540260SHans Petter Selasky #ifdef USB_DEBUG 2510c1338c65SHans Petter Selasky xhci_dump_endpoint(sc, &pinp->ctx_ep[epno - 1]); 251113540260SHans Petter Selasky #endif 251213540260SHans Petter Selasky usb_pc_cpu_flush(&sc->sc_hw.devs[index].input_pc); 251313540260SHans Petter Selasky 251413540260SHans Petter Selasky return (0); /* success */ 251513540260SHans Petter Selasky } 251613540260SHans Petter Selasky 251713540260SHans Petter Selasky static usb_error_t 251813540260SHans Petter Selasky xhci_configure_endpoint_by_xfer(struct usb_xfer *xfer) 251913540260SHans Petter Selasky { 252013540260SHans Petter Selasky struct xhci_endpoint_ext *pepext; 252113540260SHans Petter Selasky struct usb_endpoint_ss_comp_descriptor *ecomp; 2522a5cf1aaaSHans Petter Selasky usb_stream_t x; 252313540260SHans Petter Selasky 252413540260SHans Petter Selasky pepext = xhci_get_endpoint_ext(xfer->xroot->udev, 252513540260SHans Petter Selasky xfer->endpoint->edesc); 252613540260SHans Petter Selasky 252713540260SHans Petter Selasky ecomp = xfer->endpoint->ecomp; 252813540260SHans Petter Selasky 2529a5cf1aaaSHans Petter Selasky for (x = 0; x != XHCI_MAX_STREAMS; x++) { 2530a5cf1aaaSHans Petter Selasky uint64_t temp; 2531a5cf1aaaSHans Petter Selasky 2532a5cf1aaaSHans Petter Selasky /* halt any transfers */ 2533a5cf1aaaSHans Petter Selasky pepext->trb[x * XHCI_MAX_TRANSFERS].dwTrb3 = 0; 2534a5cf1aaaSHans Petter Selasky 2535a5cf1aaaSHans Petter Selasky /* compute start of TRB ring for stream "x" */ 2536a5cf1aaaSHans Petter Selasky temp = pepext->physaddr + 2537a5cf1aaaSHans Petter Selasky (x * XHCI_MAX_TRANSFERS * sizeof(struct xhci_trb)) + 2538a5cf1aaaSHans Petter Selasky XHCI_SCTX_0_SCT_SEC_TR_RING; 2539a5cf1aaaSHans Petter Selasky 2540a5cf1aaaSHans Petter Selasky /* make tree structure */ 2541a5cf1aaaSHans Petter Selasky pepext->trb[(XHCI_MAX_TRANSFERS * 2542a5cf1aaaSHans Petter Selasky XHCI_MAX_STREAMS) + x].qwTrb0 = htole64(temp); 2543a5cf1aaaSHans Petter Selasky 2544a5cf1aaaSHans Petter Selasky /* reserved fields */ 2545a5cf1aaaSHans Petter Selasky pepext->trb[(XHCI_MAX_TRANSFERS * 2546a5cf1aaaSHans Petter Selasky XHCI_MAX_STREAMS) + x].dwTrb2 = 0; 2547a5cf1aaaSHans Petter Selasky pepext->trb[(XHCI_MAX_TRANSFERS * 2548a5cf1aaaSHans Petter Selasky XHCI_MAX_STREAMS) + x].dwTrb3 = 0; 2549a5cf1aaaSHans Petter Selasky } 255013540260SHans Petter Selasky usb_pc_cpu_flush(pepext->page_cache); 255113540260SHans Petter Selasky 255213540260SHans Petter Selasky return (xhci_configure_endpoint(xfer->xroot->udev, 2553cfa00b0dSHans Petter Selasky xfer->endpoint->edesc, pepext, 255413540260SHans Petter Selasky xfer->interval, xfer->max_packet_count, 2555a5cf1aaaSHans Petter Selasky (ecomp != NULL) ? UE_GET_SS_ISO_MULT(ecomp->bmAttributes) + 1 : 1, 255613540260SHans Petter Selasky usbd_xfer_get_fps_shift(xfer), xfer->max_packet_size, 2557a5cf1aaaSHans Petter Selasky xfer->max_frame_size, xfer->endpoint->ep_mode)); 255813540260SHans Petter Selasky } 255913540260SHans Petter Selasky 256013540260SHans Petter Selasky static usb_error_t 256113540260SHans Petter Selasky xhci_configure_device(struct usb_device *udev) 256213540260SHans Petter Selasky { 256313540260SHans Petter Selasky struct xhci_softc *sc = XHCI_BUS2SC(udev->bus); 256413540260SHans Petter Selasky struct usb_page_search buf_inp; 256513540260SHans Petter Selasky struct usb_page_cache *pcinp; 256613540260SHans Petter Selasky struct xhci_input_dev_ctx *pinp; 256713540260SHans Petter Selasky struct usb_device *hubdev; 256813540260SHans Petter Selasky uint32_t temp; 256913540260SHans Petter Selasky uint32_t route; 25704131f6fbSHans Petter Selasky uint32_t rh_port; 257113540260SHans Petter Selasky uint8_t is_hub; 257213540260SHans Petter Selasky uint8_t index; 25734131f6fbSHans Petter Selasky uint8_t depth; 257413540260SHans Petter Selasky 257513540260SHans Petter Selasky index = udev->controller_slot_id; 257613540260SHans Petter Selasky 257713540260SHans Petter Selasky DPRINTF("index=%u\n", index); 257813540260SHans Petter Selasky 257913540260SHans Petter Selasky pcinp = &sc->sc_hw.devs[index].input_pc; 258013540260SHans Petter Selasky 258113540260SHans Petter Selasky usbd_get_page(pcinp, 0, &buf_inp); 258213540260SHans Petter Selasky 258313540260SHans Petter Selasky pinp = buf_inp.buffer; 258413540260SHans Petter Selasky 258513540260SHans Petter Selasky rh_port = 0; 258613540260SHans Petter Selasky route = 0; 258713540260SHans Petter Selasky 258813540260SHans Petter Selasky /* figure out route string and root HUB port number */ 258913540260SHans Petter Selasky 259013540260SHans Petter Selasky for (hubdev = udev; hubdev != NULL; hubdev = hubdev->parent_hub) { 259113540260SHans Petter Selasky 259213540260SHans Petter Selasky if (hubdev->parent_hub == NULL) 259313540260SHans Petter Selasky break; 259413540260SHans Petter Selasky 25954131f6fbSHans Petter Selasky depth = hubdev->parent_hub->depth; 25964131f6fbSHans Petter Selasky 259713540260SHans Petter Selasky /* 259813540260SHans Petter Selasky * NOTE: HS/FS/LS devices and the SS root HUB can have 259913540260SHans Petter Selasky * more than 15 ports 260013540260SHans Petter Selasky */ 260113540260SHans Petter Selasky 260213540260SHans Petter Selasky rh_port = hubdev->port_no; 260313540260SHans Petter Selasky 26044131f6fbSHans Petter Selasky if (depth == 0) 260513540260SHans Petter Selasky break; 260613540260SHans Petter Selasky 260713540260SHans Petter Selasky if (rh_port > 15) 26084131f6fbSHans Petter Selasky rh_port = 15; 26094131f6fbSHans Petter Selasky 26104131f6fbSHans Petter Selasky if (depth < 6) 26114131f6fbSHans Petter Selasky route |= rh_port << (4 * (depth - 1)); 261213540260SHans Petter Selasky } 261313540260SHans Petter Selasky 26144131f6fbSHans Petter Selasky DPRINTF("Route=0x%08x\n", route); 26154131f6fbSHans Petter Selasky 26165e184962SHans Petter Selasky temp = XHCI_SCTX_0_ROUTE_SET(route) | 26175e184962SHans Petter Selasky XHCI_SCTX_0_CTX_NUM_SET( 26185e184962SHans Petter Selasky sc->sc_hw.devs[index].context_num + 1); 261913540260SHans Petter Selasky 262013540260SHans Petter Selasky switch (udev->speed) { 262113540260SHans Petter Selasky case USB_SPEED_LOW: 262213540260SHans Petter Selasky temp |= XHCI_SCTX_0_SPEED_SET(2); 26230a4cc48fSHans Petter Selasky if (udev->parent_hs_hub != NULL && 26240a4cc48fSHans Petter Selasky udev->parent_hs_hub->ddesc.bDeviceProtocol == 26250a4cc48fSHans Petter Selasky UDPROTO_HSHUBMTT) { 26260a4cc48fSHans Petter Selasky DPRINTF("Device inherits MTT\n"); 26270a4cc48fSHans Petter Selasky temp |= XHCI_SCTX_0_MTT_SET(1); 26280a4cc48fSHans Petter Selasky } 262913540260SHans Petter Selasky break; 263013540260SHans Petter Selasky case USB_SPEED_HIGH: 263113540260SHans Petter Selasky temp |= XHCI_SCTX_0_SPEED_SET(3); 26320a4cc48fSHans Petter Selasky if (sc->sc_hw.devs[index].nports != 0 && 26330a4cc48fSHans Petter Selasky udev->ddesc.bDeviceProtocol == UDPROTO_HSHUBMTT) { 26340a4cc48fSHans Petter Selasky DPRINTF("HUB supports MTT\n"); 26350a4cc48fSHans Petter Selasky temp |= XHCI_SCTX_0_MTT_SET(1); 26360a4cc48fSHans Petter Selasky } 263713540260SHans Petter Selasky break; 263813540260SHans Petter Selasky case USB_SPEED_FULL: 263913540260SHans Petter Selasky temp |= XHCI_SCTX_0_SPEED_SET(1); 26400a4cc48fSHans Petter Selasky if (udev->parent_hs_hub != NULL && 26410a4cc48fSHans Petter Selasky udev->parent_hs_hub->ddesc.bDeviceProtocol == 26420a4cc48fSHans Petter Selasky UDPROTO_HSHUBMTT) { 26430a4cc48fSHans Petter Selasky DPRINTF("Device inherits MTT\n"); 26440a4cc48fSHans Petter Selasky temp |= XHCI_SCTX_0_MTT_SET(1); 26450a4cc48fSHans Petter Selasky } 264613540260SHans Petter Selasky break; 264713540260SHans Petter Selasky default: 264813540260SHans Petter Selasky temp |= XHCI_SCTX_0_SPEED_SET(4); 264913540260SHans Petter Selasky break; 265013540260SHans Petter Selasky } 265113540260SHans Petter Selasky 265213540260SHans Petter Selasky is_hub = sc->sc_hw.devs[index].nports != 0 && 265313540260SHans Petter Selasky (udev->speed == USB_SPEED_SUPER || 265413540260SHans Petter Selasky udev->speed == USB_SPEED_HIGH); 265513540260SHans Petter Selasky 26560a4cc48fSHans Petter Selasky if (is_hub) 265713540260SHans Petter Selasky temp |= XHCI_SCTX_0_HUB_SET(1); 265813540260SHans Petter Selasky 2659c1338c65SHans Petter Selasky xhci_ctx_set_le32(sc, &pinp->ctx_slot.dwSctx0, temp); 266013540260SHans Petter Selasky 266113540260SHans Petter Selasky temp = XHCI_SCTX_1_RH_PORT_SET(rh_port); 266213540260SHans Petter Selasky 266313540260SHans Petter Selasky if (is_hub) { 266413540260SHans Petter Selasky temp |= XHCI_SCTX_1_NUM_PORTS_SET( 266513540260SHans Petter Selasky sc->sc_hw.devs[index].nports); 266613540260SHans Petter Selasky } 266713540260SHans Petter Selasky 266813540260SHans Petter Selasky switch (udev->speed) { 266913540260SHans Petter Selasky case USB_SPEED_SUPER: 267013540260SHans Petter Selasky switch (sc->sc_hw.devs[index].state) { 267113540260SHans Petter Selasky case XHCI_ST_ADDRESSED: 267213540260SHans Petter Selasky case XHCI_ST_CONFIGURED: 267313540260SHans Petter Selasky /* enable power save */ 267413540260SHans Petter Selasky temp |= XHCI_SCTX_1_MAX_EL_SET(sc->sc_exit_lat_max); 267513540260SHans Petter Selasky break; 267613540260SHans Petter Selasky default: 267713540260SHans Petter Selasky /* disable power save */ 267813540260SHans Petter Selasky break; 267913540260SHans Petter Selasky } 268013540260SHans Petter Selasky break; 268113540260SHans Petter Selasky default: 268213540260SHans Petter Selasky break; 268313540260SHans Petter Selasky } 268413540260SHans Petter Selasky 2685c1338c65SHans Petter Selasky xhci_ctx_set_le32(sc, &pinp->ctx_slot.dwSctx1, temp); 268613540260SHans Petter Selasky 268713540260SHans Petter Selasky temp = XHCI_SCTX_2_IRQ_TARGET_SET(0); 268813540260SHans Petter Selasky 26890a4cc48fSHans Petter Selasky if (is_hub) { 26900a4cc48fSHans Petter Selasky temp |= XHCI_SCTX_2_TT_THINK_TIME_SET( 26910a4cc48fSHans Petter Selasky sc->sc_hw.devs[index].tt); 26920a4cc48fSHans Petter Selasky } 269313540260SHans Petter Selasky 269413540260SHans Petter Selasky hubdev = udev->parent_hs_hub; 269513540260SHans Petter Selasky 269613540260SHans Petter Selasky /* check if we should activate the transaction translator */ 269713540260SHans Petter Selasky switch (udev->speed) { 269813540260SHans Petter Selasky case USB_SPEED_FULL: 269913540260SHans Petter Selasky case USB_SPEED_LOW: 270013540260SHans Petter Selasky if (hubdev != NULL) { 270113540260SHans Petter Selasky temp |= XHCI_SCTX_2_TT_HUB_SID_SET( 270213540260SHans Petter Selasky hubdev->controller_slot_id); 270313540260SHans Petter Selasky temp |= XHCI_SCTX_2_TT_PORT_NUM_SET( 270413540260SHans Petter Selasky udev->hs_port_no); 270513540260SHans Petter Selasky } 270613540260SHans Petter Selasky break; 270713540260SHans Petter Selasky default: 270813540260SHans Petter Selasky break; 270913540260SHans Petter Selasky } 271013540260SHans Petter Selasky 2711c1338c65SHans Petter Selasky xhci_ctx_set_le32(sc, &pinp->ctx_slot.dwSctx2, temp); 271213540260SHans Petter Selasky 27135c0f828aSHans Petter Selasky /* 27145c0f828aSHans Petter Selasky * These fields should be initialized to zero, according to 27155c0f828aSHans Petter Selasky * XHCI section 6.2.2 - slot context: 27165c0f828aSHans Petter Selasky */ 27175c0f828aSHans Petter Selasky temp = XHCI_SCTX_3_DEV_ADDR_SET(0) | 271813540260SHans Petter Selasky XHCI_SCTX_3_SLOT_STATE_SET(0); 271913540260SHans Petter Selasky 2720c1338c65SHans Petter Selasky xhci_ctx_set_le32(sc, &pinp->ctx_slot.dwSctx3, temp); 272113540260SHans Petter Selasky 272213540260SHans Petter Selasky #ifdef USB_DEBUG 2723c1338c65SHans Petter Selasky xhci_dump_device(sc, &pinp->ctx_slot); 272413540260SHans Petter Selasky #endif 272513540260SHans Petter Selasky usb_pc_cpu_flush(pcinp); 272613540260SHans Petter Selasky 272713540260SHans Petter Selasky return (0); /* success */ 272813540260SHans Petter Selasky } 272913540260SHans Petter Selasky 273013540260SHans Petter Selasky static usb_error_t 273113540260SHans Petter Selasky xhci_alloc_device_ext(struct usb_device *udev) 273213540260SHans Petter Selasky { 273313540260SHans Petter Selasky struct xhci_softc *sc = XHCI_BUS2SC(udev->bus); 273413540260SHans Petter Selasky struct usb_page_search buf_dev; 273513540260SHans Petter Selasky struct usb_page_search buf_ep; 273613540260SHans Petter Selasky struct xhci_trb *trb; 273713540260SHans Petter Selasky struct usb_page_cache *pc; 273813540260SHans Petter Selasky struct usb_page *pg; 273913540260SHans Petter Selasky uint64_t addr; 274013540260SHans Petter Selasky uint8_t index; 274113540260SHans Petter Selasky uint8_t i; 274213540260SHans Petter Selasky 274313540260SHans Petter Selasky index = udev->controller_slot_id; 274413540260SHans Petter Selasky 274513540260SHans Petter Selasky pc = &sc->sc_hw.devs[index].device_pc; 274613540260SHans Petter Selasky pg = &sc->sc_hw.devs[index].device_pg; 274713540260SHans Petter Selasky 274813540260SHans Petter Selasky /* need to initialize the page cache */ 274913540260SHans Petter Selasky pc->tag_parent = sc->sc_bus.dma_parent_tag; 275013540260SHans Petter Selasky 2751c1338c65SHans Petter Selasky if (usb_pc_alloc_mem(pc, pg, sc->sc_ctx_is_64_byte ? 2752c1338c65SHans Petter Selasky (2 * sizeof(struct xhci_dev_ctx)) : 2753c1338c65SHans Petter Selasky sizeof(struct xhci_dev_ctx), XHCI_PAGE_SIZE)) 275413540260SHans Petter Selasky goto error; 275513540260SHans Petter Selasky 275613540260SHans Petter Selasky usbd_get_page(pc, 0, &buf_dev); 275713540260SHans Petter Selasky 275813540260SHans Petter Selasky pc = &sc->sc_hw.devs[index].input_pc; 275913540260SHans Petter Selasky pg = &sc->sc_hw.devs[index].input_pg; 276013540260SHans Petter Selasky 276113540260SHans Petter Selasky /* need to initialize the page cache */ 276213540260SHans Petter Selasky pc->tag_parent = sc->sc_bus.dma_parent_tag; 276313540260SHans Petter Selasky 2764c1338c65SHans Petter Selasky if (usb_pc_alloc_mem(pc, pg, sc->sc_ctx_is_64_byte ? 2765c1338c65SHans Petter Selasky (2 * sizeof(struct xhci_input_dev_ctx)) : 27665e184962SHans Petter Selasky sizeof(struct xhci_input_dev_ctx), XHCI_PAGE_SIZE)) { 276713540260SHans Petter Selasky goto error; 27685e184962SHans Petter Selasky } 276913540260SHans Petter Selasky 2770b217d184SHans Petter Selasky /* initialize all endpoint LINK TRBs */ 277107222474SHans Petter Selasky 277207222474SHans Petter Selasky for (i = 0; i != XHCI_MAX_ENDPOINTS; i++) { 277307222474SHans Petter Selasky 277407222474SHans Petter Selasky pc = &sc->sc_hw.devs[index].endpoint_pc[i]; 277507222474SHans Petter Selasky pg = &sc->sc_hw.devs[index].endpoint_pg[i]; 277613540260SHans Petter Selasky 277713540260SHans Petter Selasky /* need to initialize the page cache */ 277813540260SHans Petter Selasky pc->tag_parent = sc->sc_bus.dma_parent_tag; 277913540260SHans Petter Selasky 27805e184962SHans Petter Selasky if (usb_pc_alloc_mem(pc, pg, 278107222474SHans Petter Selasky sizeof(struct xhci_dev_endpoint_trbs), XHCI_TRB_ALIGN)) { 278213540260SHans Petter Selasky goto error; 27835e184962SHans Petter Selasky } 278413540260SHans Petter Selasky 278513540260SHans Petter Selasky /* lookup endpoint TRB ring */ 278607222474SHans Petter Selasky usbd_get_page(pc, 0, &buf_ep); 278713540260SHans Petter Selasky 278813540260SHans Petter Selasky /* get TRB pointer */ 278913540260SHans Petter Selasky trb = buf_ep.buffer; 279013540260SHans Petter Selasky trb += XHCI_MAX_TRANSFERS - 1; 279113540260SHans Petter Selasky 279213540260SHans Petter Selasky /* get TRB start address */ 279313540260SHans Petter Selasky addr = buf_ep.physaddr; 279413540260SHans Petter Selasky 279513540260SHans Petter Selasky /* create LINK TRB */ 279613540260SHans Petter Selasky trb->qwTrb0 = htole64(addr); 279713540260SHans Petter Selasky trb->dwTrb2 = htole32(XHCI_TRB_2_IRQ_SET(0)); 279813540260SHans Petter Selasky trb->dwTrb3 = htole32(XHCI_TRB_3_CYCLE_BIT | 279913540260SHans Petter Selasky XHCI_TRB_3_TYPE_SET(XHCI_TRB_TYPE_LINK)); 280013540260SHans Petter Selasky 280113540260SHans Petter Selasky usb_pc_cpu_flush(pc); 280207222474SHans Petter Selasky } 280313540260SHans Petter Selasky 280413540260SHans Petter Selasky xhci_set_slot_pointer(sc, index, buf_dev.physaddr); 280513540260SHans Petter Selasky 280613540260SHans Petter Selasky return (0); 280713540260SHans Petter Selasky 280813540260SHans Petter Selasky error: 280913540260SHans Petter Selasky xhci_free_device_ext(udev); 281013540260SHans Petter Selasky 281113540260SHans Petter Selasky return (USB_ERR_NOMEM); 281213540260SHans Petter Selasky } 281313540260SHans Petter Selasky 281413540260SHans Petter Selasky static void 281513540260SHans Petter Selasky xhci_free_device_ext(struct usb_device *udev) 281613540260SHans Petter Selasky { 281713540260SHans Petter Selasky struct xhci_softc *sc = XHCI_BUS2SC(udev->bus); 281813540260SHans Petter Selasky uint8_t index; 281907222474SHans Petter Selasky uint8_t i; 282013540260SHans Petter Selasky 282113540260SHans Petter Selasky index = udev->controller_slot_id; 282213540260SHans Petter Selasky xhci_set_slot_pointer(sc, index, 0); 282313540260SHans Petter Selasky 282413540260SHans Petter Selasky usb_pc_free_mem(&sc->sc_hw.devs[index].device_pc); 282513540260SHans Petter Selasky usb_pc_free_mem(&sc->sc_hw.devs[index].input_pc); 282607222474SHans Petter Selasky for (i = 0; i != XHCI_MAX_ENDPOINTS; i++) 282707222474SHans Petter Selasky usb_pc_free_mem(&sc->sc_hw.devs[index].endpoint_pc[i]); 282813540260SHans Petter Selasky } 282913540260SHans Petter Selasky 283013540260SHans Petter Selasky static struct xhci_endpoint_ext * 283113540260SHans Petter Selasky xhci_get_endpoint_ext(struct usb_device *udev, struct usb_endpoint_descriptor *edesc) 283213540260SHans Petter Selasky { 283313540260SHans Petter Selasky struct xhci_softc *sc = XHCI_BUS2SC(udev->bus); 283413540260SHans Petter Selasky struct xhci_endpoint_ext *pepext; 283513540260SHans Petter Selasky struct usb_page_cache *pc; 283613540260SHans Petter Selasky struct usb_page_search buf_ep; 283713540260SHans Petter Selasky uint8_t epno; 283813540260SHans Petter Selasky uint8_t index; 283913540260SHans Petter Selasky 284013540260SHans Petter Selasky epno = edesc->bEndpointAddress; 284113540260SHans Petter Selasky if ((edesc->bmAttributes & UE_XFERTYPE) == UE_CONTROL) 284213540260SHans Petter Selasky epno |= UE_DIR_IN; 284313540260SHans Petter Selasky 284413540260SHans Petter Selasky epno = XHCI_EPNO2EPID(epno); 284513540260SHans Petter Selasky 284613540260SHans Petter Selasky index = udev->controller_slot_id; 284713540260SHans Petter Selasky 284807222474SHans Petter Selasky pc = &sc->sc_hw.devs[index].endpoint_pc[epno]; 284913540260SHans Petter Selasky 285007222474SHans Petter Selasky usbd_get_page(pc, 0, &buf_ep); 285113540260SHans Petter Selasky 285213540260SHans Petter Selasky pepext = &sc->sc_hw.devs[index].endp[epno]; 285313540260SHans Petter Selasky pepext->page_cache = pc; 285413540260SHans Petter Selasky pepext->trb = buf_ep.buffer; 285513540260SHans Petter Selasky pepext->physaddr = buf_ep.physaddr; 285613540260SHans Petter Selasky 285713540260SHans Petter Selasky return (pepext); 285813540260SHans Petter Selasky } 285913540260SHans Petter Selasky 286013540260SHans Petter Selasky static void 286113540260SHans Petter Selasky xhci_endpoint_doorbell(struct usb_xfer *xfer) 286213540260SHans Petter Selasky { 286313540260SHans Petter Selasky struct xhci_softc *sc = XHCI_BUS2SC(xfer->xroot->bus); 286413540260SHans Petter Selasky uint8_t epno; 286513540260SHans Petter Selasky uint8_t index; 286613540260SHans Petter Selasky 286713540260SHans Petter Selasky epno = xfer->endpointno; 286813540260SHans Petter Selasky if (xfer->flags_int.control_xfr) 286913540260SHans Petter Selasky epno |= UE_DIR_IN; 287013540260SHans Petter Selasky 287113540260SHans Petter Selasky epno = XHCI_EPNO2EPID(epno); 287213540260SHans Petter Selasky index = xfer->xroot->udev->controller_slot_id; 287313540260SHans Petter Selasky 28745e184962SHans Petter Selasky if (xfer->xroot->udev->flags.self_suspended == 0) { 28755e184962SHans Petter Selasky XWRITE4(sc, door, XHCI_DOORBELL(index), 28765e184962SHans Petter Selasky epno | XHCI_DB_SID_SET(xfer->stream_id)); 28775e184962SHans Petter Selasky } 287813540260SHans Petter Selasky } 287913540260SHans Petter Selasky 288013540260SHans Petter Selasky static void 288113540260SHans Petter Selasky xhci_transfer_remove(struct usb_xfer *xfer, usb_error_t error) 288213540260SHans Petter Selasky { 288313540260SHans Petter Selasky struct xhci_endpoint_ext *pepext; 288413540260SHans Petter Selasky 288513540260SHans Petter Selasky if (xfer->flags_int.bandwidth_reclaimed) { 288613540260SHans Petter Selasky xfer->flags_int.bandwidth_reclaimed = 0; 288713540260SHans Petter Selasky 288813540260SHans Petter Selasky pepext = xhci_get_endpoint_ext(xfer->xroot->udev, 288913540260SHans Petter Selasky xfer->endpoint->edesc); 289013540260SHans Petter Selasky 2891a5cf1aaaSHans Petter Selasky pepext->trb_used[xfer->stream_id]--; 289213540260SHans Petter Selasky 289313540260SHans Petter Selasky pepext->xfer[xfer->qh_pos] = NULL; 289413540260SHans Petter Selasky 289513540260SHans Petter Selasky if (error && pepext->trb_running != 0) { 289613540260SHans Petter Selasky pepext->trb_halted = 1; 289713540260SHans Petter Selasky pepext->trb_running = 0; 289813540260SHans Petter Selasky } 289913540260SHans Petter Selasky } 290013540260SHans Petter Selasky } 290113540260SHans Petter Selasky 290213540260SHans Petter Selasky static usb_error_t 290313540260SHans Petter Selasky xhci_transfer_insert(struct usb_xfer *xfer) 290413540260SHans Petter Selasky { 290513540260SHans Petter Selasky struct xhci_td *td_first; 290613540260SHans Petter Selasky struct xhci_td *td_last; 290760decf20SHans Petter Selasky struct xhci_trb *trb_link; 290813540260SHans Petter Selasky struct xhci_endpoint_ext *pepext; 290913540260SHans Petter Selasky uint64_t addr; 2910a5cf1aaaSHans Petter Selasky usb_stream_t id; 291113540260SHans Petter Selasky uint8_t i; 291213540260SHans Petter Selasky uint8_t inext; 291313540260SHans Petter Selasky uint8_t trb_limit; 291413540260SHans Petter Selasky 291513540260SHans Petter Selasky DPRINTFN(8, "\n"); 291613540260SHans Petter Selasky 2917a5cf1aaaSHans Petter Selasky id = xfer->stream_id; 2918a5cf1aaaSHans Petter Selasky 291913540260SHans Petter Selasky /* check if already inserted */ 292013540260SHans Petter Selasky if (xfer->flags_int.bandwidth_reclaimed) { 292113540260SHans Petter Selasky DPRINTFN(8, "Already in schedule\n"); 292213540260SHans Petter Selasky return (0); 292313540260SHans Petter Selasky } 292413540260SHans Petter Selasky 292513540260SHans Petter Selasky pepext = xhci_get_endpoint_ext(xfer->xroot->udev, 292613540260SHans Petter Selasky xfer->endpoint->edesc); 292713540260SHans Petter Selasky 292813540260SHans Petter Selasky td_first = xfer->td_transfer_first; 292913540260SHans Petter Selasky td_last = xfer->td_transfer_last; 293013540260SHans Petter Selasky addr = pepext->physaddr; 293113540260SHans Petter Selasky 293213540260SHans Petter Selasky switch (xfer->endpoint->edesc->bmAttributes & UE_XFERTYPE) { 293313540260SHans Petter Selasky case UE_CONTROL: 293413540260SHans Petter Selasky case UE_INTERRUPT: 293513540260SHans Petter Selasky /* single buffered */ 293613540260SHans Petter Selasky trb_limit = 1; 293713540260SHans Petter Selasky break; 293813540260SHans Petter Selasky default: 293913540260SHans Petter Selasky /* multi buffered */ 294013540260SHans Petter Selasky trb_limit = (XHCI_MAX_TRANSFERS - 2); 294113540260SHans Petter Selasky break; 294213540260SHans Petter Selasky } 294313540260SHans Petter Selasky 2944a5cf1aaaSHans Petter Selasky if (pepext->trb_used[id] >= trb_limit) { 294513540260SHans Petter Selasky DPRINTFN(8, "Too many TDs queued.\n"); 294613540260SHans Petter Selasky return (USB_ERR_NOMEM); 294713540260SHans Petter Selasky } 294813540260SHans Petter Selasky 2949b265897cSHans Petter Selasky /* check if bMaxPacketSize changed */ 2950b265897cSHans Petter Selasky if (xfer->flags_int.control_xfr != 0 && 2951b265897cSHans Petter Selasky pepext->trb_ep_maxp != xfer->endpoint->edesc->wMaxPacketSize[0]) { 2952b265897cSHans Petter Selasky 2953b265897cSHans Petter Selasky DPRINTFN(8, "Reconfigure control endpoint\n"); 2954b265897cSHans Petter Selasky 2955b265897cSHans Petter Selasky /* force driver to reconfigure endpoint */ 2956b265897cSHans Petter Selasky pepext->trb_halted = 1; 2957b265897cSHans Petter Selasky pepext->trb_running = 0; 2958b265897cSHans Petter Selasky } 2959b265897cSHans Petter Selasky 296013540260SHans Petter Selasky /* check for stopped condition, after putting transfer on interrupt queue */ 296113540260SHans Petter Selasky if (pepext->trb_running == 0) { 296213540260SHans Petter Selasky struct xhci_softc *sc = XHCI_BUS2SC(xfer->xroot->bus); 296313540260SHans Petter Selasky 296413540260SHans Petter Selasky DPRINTFN(8, "Not running\n"); 296513540260SHans Petter Selasky 296613540260SHans Petter Selasky /* start configuration */ 29679b3a48eeSHans Petter Selasky (void)usb_proc_msignal(USB_BUS_CONTROL_XFER_PROC(&sc->sc_bus), 296813540260SHans Petter Selasky &sc->sc_config_msg[0], &sc->sc_config_msg[1]); 296913540260SHans Petter Selasky return (0); 297013540260SHans Petter Selasky } 297113540260SHans Petter Selasky 2972a5cf1aaaSHans Petter Selasky pepext->trb_used[id]++; 297313540260SHans Petter Selasky 297413540260SHans Petter Selasky /* get current TRB index */ 2975a5cf1aaaSHans Petter Selasky i = pepext->trb_index[id]; 297613540260SHans Petter Selasky 297713540260SHans Petter Selasky /* get next TRB index */ 297813540260SHans Petter Selasky inext = (i + 1); 297913540260SHans Petter Selasky 298013540260SHans Petter Selasky /* the last entry of the ring is a hardcoded link TRB */ 298113540260SHans Petter Selasky if (inext >= (XHCI_MAX_TRANSFERS - 1)) 298213540260SHans Petter Selasky inext = 0; 298313540260SHans Petter Selasky 2984cfa00b0dSHans Petter Selasky /* store next TRB index, before stream ID offset is added */ 2985cfa00b0dSHans Petter Selasky pepext->trb_index[id] = inext; 2986cfa00b0dSHans Petter Selasky 2987a5cf1aaaSHans Petter Selasky /* offset for stream */ 2988a5cf1aaaSHans Petter Selasky i += id * XHCI_MAX_TRANSFERS; 2989a5cf1aaaSHans Petter Selasky inext += id * XHCI_MAX_TRANSFERS; 2990a5cf1aaaSHans Petter Selasky 299113540260SHans Petter Selasky /* compute terminating return address */ 2992a5cf1aaaSHans Petter Selasky addr += (inext * sizeof(struct xhci_trb)); 299313540260SHans Petter Selasky 299460decf20SHans Petter Selasky /* compute link TRB pointer */ 299560decf20SHans Petter Selasky trb_link = td_last->td_trb + td_last->ntrb; 299660decf20SHans Petter Selasky 299713540260SHans Petter Selasky /* update next pointer of last link TRB */ 299860decf20SHans Petter Selasky trb_link->qwTrb0 = htole64(addr); 299960decf20SHans Petter Selasky trb_link->dwTrb2 = htole32(XHCI_TRB_2_IRQ_SET(0)); 300060decf20SHans Petter Selasky trb_link->dwTrb3 = htole32(XHCI_TRB_3_IOC_BIT | 300160decf20SHans Petter Selasky XHCI_TRB_3_CYCLE_BIT | 300260decf20SHans Petter Selasky XHCI_TRB_3_TYPE_SET(XHCI_TRB_TYPE_LINK)); 300313540260SHans Petter Selasky 300413540260SHans Petter Selasky #ifdef USB_DEBUG 300513540260SHans Petter Selasky xhci_dump_trb(&td_last->td_trb[td_last->ntrb]); 300613540260SHans Petter Selasky #endif 300713540260SHans Petter Selasky usb_pc_cpu_flush(td_last->page_cache); 300813540260SHans Petter Selasky 300913540260SHans Petter Selasky /* write ahead chain end marker */ 301013540260SHans Petter Selasky 301113540260SHans Petter Selasky pepext->trb[inext].qwTrb0 = 0; 301213540260SHans Petter Selasky pepext->trb[inext].dwTrb2 = 0; 301313540260SHans Petter Selasky pepext->trb[inext].dwTrb3 = 0; 301413540260SHans Petter Selasky 301513540260SHans Petter Selasky /* update next pointer of link TRB */ 301613540260SHans Petter Selasky 301713540260SHans Petter Selasky pepext->trb[i].qwTrb0 = htole64((uint64_t)td_first->td_self); 301813540260SHans Petter Selasky pepext->trb[i].dwTrb2 = htole32(XHCI_TRB_2_IRQ_SET(0)); 301913540260SHans Petter Selasky 302013540260SHans Petter Selasky #ifdef USB_DEBUG 302113540260SHans Petter Selasky xhci_dump_trb(&pepext->trb[i]); 302213540260SHans Petter Selasky #endif 302313540260SHans Petter Selasky usb_pc_cpu_flush(pepext->page_cache); 302413540260SHans Petter Selasky 302513540260SHans Petter Selasky /* toggle cycle bit which activates the transfer chain */ 302613540260SHans Petter Selasky 302713540260SHans Petter Selasky pepext->trb[i].dwTrb3 = htole32(XHCI_TRB_3_CYCLE_BIT | 302813540260SHans Petter Selasky XHCI_TRB_3_TYPE_SET(XHCI_TRB_TYPE_LINK)); 302913540260SHans Petter Selasky 303013540260SHans Petter Selasky usb_pc_cpu_flush(pepext->page_cache); 303113540260SHans Petter Selasky 303213540260SHans Petter Selasky DPRINTF("qh_pos = %u\n", i); 303313540260SHans Petter Selasky 303413540260SHans Petter Selasky pepext->xfer[i] = xfer; 303513540260SHans Petter Selasky 303613540260SHans Petter Selasky xfer->qh_pos = i; 303713540260SHans Petter Selasky 303813540260SHans Petter Selasky xfer->flags_int.bandwidth_reclaimed = 1; 303913540260SHans Petter Selasky 304013540260SHans Petter Selasky xhci_endpoint_doorbell(xfer); 304113540260SHans Petter Selasky 304213540260SHans Petter Selasky return (0); 304313540260SHans Petter Selasky } 304413540260SHans Petter Selasky 304513540260SHans Petter Selasky static void 304613540260SHans Petter Selasky xhci_root_intr(struct xhci_softc *sc) 304713540260SHans Petter Selasky { 304813540260SHans Petter Selasky uint16_t i; 304913540260SHans Petter Selasky 305013540260SHans Petter Selasky USB_BUS_LOCK_ASSERT(&sc->sc_bus, MA_OWNED); 305113540260SHans Petter Selasky 305213540260SHans Petter Selasky /* clear any old interrupt data */ 305313540260SHans Petter Selasky memset(sc->sc_hub_idata, 0, sizeof(sc->sc_hub_idata)); 305413540260SHans Petter Selasky 305513540260SHans Petter Selasky for (i = 1; i <= sc->sc_noport; i++) { 305613540260SHans Petter Selasky /* pick out CHANGE bits from the status register */ 305713540260SHans Petter Selasky if (XREAD4(sc, oper, XHCI_PORTSC(i)) & ( 305813540260SHans Petter Selasky XHCI_PS_CSC | XHCI_PS_PEC | 305913540260SHans Petter Selasky XHCI_PS_OCC | XHCI_PS_WRC | 306013540260SHans Petter Selasky XHCI_PS_PRC | XHCI_PS_PLC | 306113540260SHans Petter Selasky XHCI_PS_CEC)) { 306213540260SHans Petter Selasky sc->sc_hub_idata[i / 8] |= 1 << (i % 8); 306313540260SHans Petter Selasky DPRINTF("port %d changed\n", i); 306413540260SHans Petter Selasky } 306513540260SHans Petter Selasky } 306613540260SHans Petter Selasky uhub_root_intr(&sc->sc_bus, sc->sc_hub_idata, 306713540260SHans Petter Selasky sizeof(sc->sc_hub_idata)); 306813540260SHans Petter Selasky } 306913540260SHans Petter Selasky 307013540260SHans Petter Selasky /*------------------------------------------------------------------------* 307113540260SHans Petter Selasky * xhci_device_done - XHCI done handler 307213540260SHans Petter Selasky * 307313540260SHans Petter Selasky * NOTE: This function can be called two times in a row on 307413540260SHans Petter Selasky * the same USB transfer. From close and from interrupt. 307513540260SHans Petter Selasky *------------------------------------------------------------------------*/ 307613540260SHans Petter Selasky static void 307713540260SHans Petter Selasky xhci_device_done(struct usb_xfer *xfer, usb_error_t error) 307813540260SHans Petter Selasky { 307913540260SHans Petter Selasky DPRINTFN(2, "xfer=%p, endpoint=%p, error=%d\n", 308013540260SHans Petter Selasky xfer, xfer->endpoint, error); 308113540260SHans Petter Selasky 308213540260SHans Petter Selasky /* remove transfer from HW queue */ 308313540260SHans Petter Selasky xhci_transfer_remove(xfer, error); 308413540260SHans Petter Selasky 308513540260SHans Petter Selasky /* dequeue transfer and start next transfer */ 308613540260SHans Petter Selasky usbd_transfer_done(xfer, error); 308713540260SHans Petter Selasky } 308813540260SHans Petter Selasky 308913540260SHans Petter Selasky /*------------------------------------------------------------------------* 309013540260SHans Petter Selasky * XHCI data transfer support (generic type) 309113540260SHans Petter Selasky *------------------------------------------------------------------------*/ 309213540260SHans Petter Selasky static void 309313540260SHans Petter Selasky xhci_device_generic_open(struct usb_xfer *xfer) 309413540260SHans Petter Selasky { 309513540260SHans Petter Selasky if (xfer->flags_int.isochronous_xfr) { 309613540260SHans Petter Selasky switch (xfer->xroot->udev->speed) { 309713540260SHans Petter Selasky case USB_SPEED_FULL: 309813540260SHans Petter Selasky break; 309913540260SHans Petter Selasky default: 310013540260SHans Petter Selasky usb_hs_bandwidth_alloc(xfer); 310113540260SHans Petter Selasky break; 310213540260SHans Petter Selasky } 310313540260SHans Petter Selasky } 310413540260SHans Petter Selasky } 310513540260SHans Petter Selasky 310613540260SHans Petter Selasky static void 310713540260SHans Petter Selasky xhci_device_generic_close(struct usb_xfer *xfer) 310813540260SHans Petter Selasky { 310913540260SHans Petter Selasky DPRINTF("\n"); 311013540260SHans Petter Selasky 311113540260SHans Petter Selasky xhci_device_done(xfer, USB_ERR_CANCELLED); 311213540260SHans Petter Selasky 311313540260SHans Petter Selasky if (xfer->flags_int.isochronous_xfr) { 311413540260SHans Petter Selasky switch (xfer->xroot->udev->speed) { 311513540260SHans Petter Selasky case USB_SPEED_FULL: 311613540260SHans Petter Selasky break; 311713540260SHans Petter Selasky default: 311813540260SHans Petter Selasky usb_hs_bandwidth_free(xfer); 311913540260SHans Petter Selasky break; 312013540260SHans Petter Selasky } 312113540260SHans Petter Selasky } 312213540260SHans Petter Selasky } 312313540260SHans Petter Selasky 312413540260SHans Petter Selasky static void 312513540260SHans Petter Selasky xhci_device_generic_multi_enter(struct usb_endpoint *ep, 3126a5cf1aaaSHans Petter Selasky usb_stream_t stream_id, struct usb_xfer *enter_xfer) 312713540260SHans Petter Selasky { 312813540260SHans Petter Selasky struct usb_xfer *xfer; 312913540260SHans Petter Selasky 313013540260SHans Petter Selasky /* check if there is a current transfer */ 3131a5cf1aaaSHans Petter Selasky xfer = ep->endpoint_q[stream_id].curr; 313213540260SHans Petter Selasky if (xfer == NULL) 313313540260SHans Petter Selasky return; 313413540260SHans Petter Selasky 313513540260SHans Petter Selasky /* 313613540260SHans Petter Selasky * Check if the current transfer is started and then pickup 313713540260SHans Petter Selasky * the next one, if any. Else wait for next start event due to 313813540260SHans Petter Selasky * block on failure feature. 313913540260SHans Petter Selasky */ 314013540260SHans Petter Selasky if (!xfer->flags_int.bandwidth_reclaimed) 314113540260SHans Petter Selasky return; 314213540260SHans Petter Selasky 3143a5cf1aaaSHans Petter Selasky xfer = TAILQ_FIRST(&ep->endpoint_q[stream_id].head); 314413540260SHans Petter Selasky if (xfer == NULL) { 314513540260SHans Petter Selasky /* 314613540260SHans Petter Selasky * In case of enter we have to consider that the 314713540260SHans Petter Selasky * transfer is queued by the USB core after the enter 314813540260SHans Petter Selasky * method is called. 314913540260SHans Petter Selasky */ 315013540260SHans Petter Selasky xfer = enter_xfer; 315113540260SHans Petter Selasky 315213540260SHans Petter Selasky if (xfer == NULL) 315313540260SHans Petter Selasky return; 315413540260SHans Petter Selasky } 315513540260SHans Petter Selasky 315613540260SHans Petter Selasky /* try to multi buffer */ 315713540260SHans Petter Selasky xhci_transfer_insert(xfer); 315813540260SHans Petter Selasky } 315913540260SHans Petter Selasky 316013540260SHans Petter Selasky static void 316113540260SHans Petter Selasky xhci_device_generic_enter(struct usb_xfer *xfer) 316213540260SHans Petter Selasky { 316313540260SHans Petter Selasky DPRINTF("\n"); 316413540260SHans Petter Selasky 316513540260SHans Petter Selasky /* set up TD's and QH */ 316613540260SHans Petter Selasky xhci_setup_generic_chain(xfer); 316713540260SHans Petter Selasky 3168a5cf1aaaSHans Petter Selasky xhci_device_generic_multi_enter(xfer->endpoint, 3169a5cf1aaaSHans Petter Selasky xfer->stream_id, xfer); 317013540260SHans Petter Selasky } 317113540260SHans Petter Selasky 317213540260SHans Petter Selasky static void 317313540260SHans Petter Selasky xhci_device_generic_start(struct usb_xfer *xfer) 317413540260SHans Petter Selasky { 317513540260SHans Petter Selasky DPRINTF("\n"); 317613540260SHans Petter Selasky 317713540260SHans Petter Selasky /* try to insert xfer on HW queue */ 317813540260SHans Petter Selasky xhci_transfer_insert(xfer); 317913540260SHans Petter Selasky 318013540260SHans Petter Selasky /* try to multi buffer */ 3181a5cf1aaaSHans Petter Selasky xhci_device_generic_multi_enter(xfer->endpoint, 3182a5cf1aaaSHans Petter Selasky xfer->stream_id, NULL); 318313540260SHans Petter Selasky 318413540260SHans Petter Selasky /* add transfer last on interrupt queue */ 318513540260SHans Petter Selasky usbd_transfer_enqueue(&xfer->xroot->bus->intr_q, xfer); 318613540260SHans Petter Selasky 318713540260SHans Petter Selasky /* start timeout, if any */ 318813540260SHans Petter Selasky if (xfer->timeout != 0) 318913540260SHans Petter Selasky usbd_transfer_timeout_ms(xfer, &xhci_timeout, xfer->timeout); 319013540260SHans Petter Selasky } 319113540260SHans Petter Selasky 3192e892b3feSHans Petter Selasky static const struct usb_pipe_methods xhci_device_generic_methods = 319313540260SHans Petter Selasky { 319413540260SHans Petter Selasky .open = xhci_device_generic_open, 319513540260SHans Petter Selasky .close = xhci_device_generic_close, 319613540260SHans Petter Selasky .enter = xhci_device_generic_enter, 319713540260SHans Petter Selasky .start = xhci_device_generic_start, 319813540260SHans Petter Selasky }; 319913540260SHans Petter Selasky 320013540260SHans Petter Selasky /*------------------------------------------------------------------------* 320113540260SHans Petter Selasky * xhci root HUB support 320213540260SHans Petter Selasky *------------------------------------------------------------------------* 320313540260SHans Petter Selasky * Simulate a hardware HUB by handling all the necessary requests. 320413540260SHans Petter Selasky *------------------------------------------------------------------------*/ 320513540260SHans Petter Selasky 32066d917491SHans Petter Selasky #define HSETW(ptr, val) ptr = { (uint8_t)(val), (uint8_t)((val) >> 8) } 320713540260SHans Petter Selasky 320813540260SHans Petter Selasky static const 320913540260SHans Petter Selasky struct usb_device_descriptor xhci_devd = 321013540260SHans Petter Selasky { 321113540260SHans Petter Selasky .bLength = sizeof(xhci_devd), 321213540260SHans Petter Selasky .bDescriptorType = UDESC_DEVICE, /* type */ 321313540260SHans Petter Selasky HSETW(.bcdUSB, 0x0300), /* USB version */ 321413540260SHans Petter Selasky .bDeviceClass = UDCLASS_HUB, /* class */ 321513540260SHans Petter Selasky .bDeviceSubClass = UDSUBCLASS_HUB, /* subclass */ 321613540260SHans Petter Selasky .bDeviceProtocol = UDPROTO_SSHUB, /* protocol */ 321713540260SHans Petter Selasky .bMaxPacketSize = 9, /* max packet size */ 321813540260SHans Petter Selasky HSETW(.idVendor, 0x0000), /* vendor */ 321913540260SHans Petter Selasky HSETW(.idProduct, 0x0000), /* product */ 322013540260SHans Petter Selasky HSETW(.bcdDevice, 0x0100), /* device version */ 322113540260SHans Petter Selasky .iManufacturer = 1, 322213540260SHans Petter Selasky .iProduct = 2, 322313540260SHans Petter Selasky .iSerialNumber = 0, 322413540260SHans Petter Selasky .bNumConfigurations = 1, /* # of configurations */ 322513540260SHans Petter Selasky }; 322613540260SHans Petter Selasky 322713540260SHans Petter Selasky static const 322813540260SHans Petter Selasky struct xhci_bos_desc xhci_bosd = { 322913540260SHans Petter Selasky .bosd = { 323013540260SHans Petter Selasky .bLength = sizeof(xhci_bosd.bosd), 323113540260SHans Petter Selasky .bDescriptorType = UDESC_BOS, 323213540260SHans Petter Selasky HSETW(.wTotalLength, sizeof(xhci_bosd)), 323313540260SHans Petter Selasky .bNumDeviceCaps = 3, 323413540260SHans Petter Selasky }, 323513540260SHans Petter Selasky .usb2extd = { 323613540260SHans Petter Selasky .bLength = sizeof(xhci_bosd.usb2extd), 323713540260SHans Petter Selasky .bDescriptorType = 1, 323813540260SHans Petter Selasky .bDevCapabilityType = 2, 3239b3b1747aSHans Petter Selasky .bmAttributes[0] = 2, 324013540260SHans Petter Selasky }, 324113540260SHans Petter Selasky .usbdcd = { 324213540260SHans Petter Selasky .bLength = sizeof(xhci_bosd.usbdcd), 324313540260SHans Petter Selasky .bDescriptorType = UDESC_DEVICE_CAPABILITY, 324413540260SHans Petter Selasky .bDevCapabilityType = 3, 324513540260SHans Petter Selasky .bmAttributes = 0, /* XXX */ 324613540260SHans Petter Selasky HSETW(.wSpeedsSupported, 0x000C), 324713540260SHans Petter Selasky .bFunctionalitySupport = 8, 324813540260SHans Petter Selasky .bU1DevExitLat = 255, /* dummy - not used */ 32496d917491SHans Petter Selasky .wU2DevExitLat = { 0x00, 0x08 }, 325013540260SHans Petter Selasky }, 325113540260SHans Petter Selasky .cidd = { 325213540260SHans Petter Selasky .bLength = sizeof(xhci_bosd.cidd), 325313540260SHans Petter Selasky .bDescriptorType = 1, 325413540260SHans Petter Selasky .bDevCapabilityType = 4, 325513540260SHans Petter Selasky .bReserved = 0, 325613540260SHans Petter Selasky .bContainerID = 0, /* XXX */ 325713540260SHans Petter Selasky }, 325813540260SHans Petter Selasky }; 325913540260SHans Petter Selasky 326013540260SHans Petter Selasky static const 326113540260SHans Petter Selasky struct xhci_config_desc xhci_confd = { 326213540260SHans Petter Selasky .confd = { 326313540260SHans Petter Selasky .bLength = sizeof(xhci_confd.confd), 326413540260SHans Petter Selasky .bDescriptorType = UDESC_CONFIG, 326513540260SHans Petter Selasky .wTotalLength[0] = sizeof(xhci_confd), 326613540260SHans Petter Selasky .bNumInterface = 1, 326713540260SHans Petter Selasky .bConfigurationValue = 1, 326813540260SHans Petter Selasky .iConfiguration = 0, 326913540260SHans Petter Selasky .bmAttributes = UC_SELF_POWERED, 327013540260SHans Petter Selasky .bMaxPower = 0 /* max power */ 327113540260SHans Petter Selasky }, 327213540260SHans Petter Selasky .ifcd = { 327313540260SHans Petter Selasky .bLength = sizeof(xhci_confd.ifcd), 327413540260SHans Petter Selasky .bDescriptorType = UDESC_INTERFACE, 327513540260SHans Petter Selasky .bNumEndpoints = 1, 327613540260SHans Petter Selasky .bInterfaceClass = UICLASS_HUB, 327713540260SHans Petter Selasky .bInterfaceSubClass = UISUBCLASS_HUB, 327813540260SHans Petter Selasky .bInterfaceProtocol = 0, 327913540260SHans Petter Selasky }, 328013540260SHans Petter Selasky .endpd = { 328113540260SHans Petter Selasky .bLength = sizeof(xhci_confd.endpd), 328213540260SHans Petter Selasky .bDescriptorType = UDESC_ENDPOINT, 328313540260SHans Petter Selasky .bEndpointAddress = UE_DIR_IN | XHCI_INTR_ENDPT, 328413540260SHans Petter Selasky .bmAttributes = UE_INTERRUPT, 328513540260SHans Petter Selasky .wMaxPacketSize[0] = 2, /* max 15 ports */ 328613540260SHans Petter Selasky .bInterval = 255, 328713540260SHans Petter Selasky }, 328813540260SHans Petter Selasky .endpcd = { 328913540260SHans Petter Selasky .bLength = sizeof(xhci_confd.endpcd), 329013540260SHans Petter Selasky .bDescriptorType = UDESC_ENDPOINT_SS_COMP, 329113540260SHans Petter Selasky .bMaxBurst = 0, 329213540260SHans Petter Selasky .bmAttributes = 0, 329313540260SHans Petter Selasky }, 329413540260SHans Petter Selasky }; 329513540260SHans Petter Selasky 329613540260SHans Petter Selasky static const 329713540260SHans Petter Selasky struct usb_hub_ss_descriptor xhci_hubd = { 329813540260SHans Petter Selasky .bLength = sizeof(xhci_hubd), 329913540260SHans Petter Selasky .bDescriptorType = UDESC_SS_HUB, 330013540260SHans Petter Selasky }; 330113540260SHans Petter Selasky 330213540260SHans Petter Selasky static usb_error_t 330313540260SHans Petter Selasky xhci_roothub_exec(struct usb_device *udev, 330413540260SHans Petter Selasky struct usb_device_request *req, const void **pptr, uint16_t *plength) 330513540260SHans Petter Selasky { 330613540260SHans Petter Selasky struct xhci_softc *sc = XHCI_BUS2SC(udev->bus); 330713540260SHans Petter Selasky const char *str_ptr; 330813540260SHans Petter Selasky const void *ptr; 330913540260SHans Petter Selasky uint32_t port; 331013540260SHans Petter Selasky uint32_t v; 331113540260SHans Petter Selasky uint16_t len; 331213540260SHans Petter Selasky uint16_t i; 331313540260SHans Petter Selasky uint16_t value; 331413540260SHans Petter Selasky uint16_t index; 331513540260SHans Petter Selasky uint8_t j; 331613540260SHans Petter Selasky usb_error_t err; 331713540260SHans Petter Selasky 331813540260SHans Petter Selasky USB_BUS_LOCK_ASSERT(&sc->sc_bus, MA_OWNED); 331913540260SHans Petter Selasky 332013540260SHans Petter Selasky /* buffer reset */ 332113540260SHans Petter Selasky ptr = (const void *)&sc->sc_hub_desc; 332213540260SHans Petter Selasky len = 0; 332313540260SHans Petter Selasky err = 0; 332413540260SHans Petter Selasky 332513540260SHans Petter Selasky value = UGETW(req->wValue); 332613540260SHans Petter Selasky index = UGETW(req->wIndex); 332713540260SHans Petter Selasky 332813540260SHans Petter Selasky DPRINTFN(3, "type=0x%02x request=0x%02x wLen=0x%04x " 332913540260SHans Petter Selasky "wValue=0x%04x wIndex=0x%04x\n", 333013540260SHans Petter Selasky req->bmRequestType, req->bRequest, 333113540260SHans Petter Selasky UGETW(req->wLength), value, index); 333213540260SHans Petter Selasky 333313540260SHans Petter Selasky #define C(x,y) ((x) | ((y) << 8)) 333413540260SHans Petter Selasky switch (C(req->bRequest, req->bmRequestType)) { 333513540260SHans Petter Selasky case C(UR_CLEAR_FEATURE, UT_WRITE_DEVICE): 333613540260SHans Petter Selasky case C(UR_CLEAR_FEATURE, UT_WRITE_INTERFACE): 333713540260SHans Petter Selasky case C(UR_CLEAR_FEATURE, UT_WRITE_ENDPOINT): 333813540260SHans Petter Selasky /* 333913540260SHans Petter Selasky * DEVICE_REMOTE_WAKEUP and ENDPOINT_HALT are no-ops 334013540260SHans Petter Selasky * for the integrated root hub. 334113540260SHans Petter Selasky */ 334213540260SHans Petter Selasky break; 334313540260SHans Petter Selasky case C(UR_GET_CONFIG, UT_READ_DEVICE): 334413540260SHans Petter Selasky len = 1; 334513540260SHans Petter Selasky sc->sc_hub_desc.temp[0] = sc->sc_conf; 334613540260SHans Petter Selasky break; 334713540260SHans Petter Selasky case C(UR_GET_DESCRIPTOR, UT_READ_DEVICE): 334813540260SHans Petter Selasky switch (value >> 8) { 334913540260SHans Petter Selasky case UDESC_DEVICE: 335013540260SHans Petter Selasky if ((value & 0xff) != 0) { 335113540260SHans Petter Selasky err = USB_ERR_IOERROR; 335213540260SHans Petter Selasky goto done; 335313540260SHans Petter Selasky } 335413540260SHans Petter Selasky len = sizeof(xhci_devd); 335513540260SHans Petter Selasky ptr = (const void *)&xhci_devd; 335613540260SHans Petter Selasky break; 335713540260SHans Petter Selasky 335813540260SHans Petter Selasky case UDESC_BOS: 335913540260SHans Petter Selasky if ((value & 0xff) != 0) { 336013540260SHans Petter Selasky err = USB_ERR_IOERROR; 336113540260SHans Petter Selasky goto done; 336213540260SHans Petter Selasky } 336313540260SHans Petter Selasky len = sizeof(xhci_bosd); 336413540260SHans Petter Selasky ptr = (const void *)&xhci_bosd; 336513540260SHans Petter Selasky break; 336613540260SHans Petter Selasky 336713540260SHans Petter Selasky case UDESC_CONFIG: 336813540260SHans Petter Selasky if ((value & 0xff) != 0) { 336913540260SHans Petter Selasky err = USB_ERR_IOERROR; 337013540260SHans Petter Selasky goto done; 337113540260SHans Petter Selasky } 337213540260SHans Petter Selasky len = sizeof(xhci_confd); 337313540260SHans Petter Selasky ptr = (const void *)&xhci_confd; 337413540260SHans Petter Selasky break; 337513540260SHans Petter Selasky 337613540260SHans Petter Selasky case UDESC_STRING: 337713540260SHans Petter Selasky switch (value & 0xff) { 337813540260SHans Petter Selasky case 0: /* Language table */ 337913540260SHans Petter Selasky str_ptr = "\001"; 338013540260SHans Petter Selasky break; 338113540260SHans Petter Selasky 338213540260SHans Petter Selasky case 1: /* Vendor */ 338313540260SHans Petter Selasky str_ptr = sc->sc_vendor; 338413540260SHans Petter Selasky break; 338513540260SHans Petter Selasky 338613540260SHans Petter Selasky case 2: /* Product */ 338713540260SHans Petter Selasky str_ptr = "XHCI root HUB"; 338813540260SHans Petter Selasky break; 338913540260SHans Petter Selasky 339013540260SHans Petter Selasky default: 339113540260SHans Petter Selasky str_ptr = ""; 339213540260SHans Petter Selasky break; 339313540260SHans Petter Selasky } 339413540260SHans Petter Selasky 339513540260SHans Petter Selasky len = usb_make_str_desc( 339613540260SHans Petter Selasky sc->sc_hub_desc.temp, 339713540260SHans Petter Selasky sizeof(sc->sc_hub_desc.temp), 339813540260SHans Petter Selasky str_ptr); 339913540260SHans Petter Selasky break; 340013540260SHans Petter Selasky 340113540260SHans Petter Selasky default: 340213540260SHans Petter Selasky err = USB_ERR_IOERROR; 340313540260SHans Petter Selasky goto done; 340413540260SHans Petter Selasky } 340513540260SHans Petter Selasky break; 340613540260SHans Petter Selasky case C(UR_GET_INTERFACE, UT_READ_INTERFACE): 340713540260SHans Petter Selasky len = 1; 340813540260SHans Petter Selasky sc->sc_hub_desc.temp[0] = 0; 340913540260SHans Petter Selasky break; 341013540260SHans Petter Selasky case C(UR_GET_STATUS, UT_READ_DEVICE): 341113540260SHans Petter Selasky len = 2; 341213540260SHans Petter Selasky USETW(sc->sc_hub_desc.stat.wStatus, UDS_SELF_POWERED); 341313540260SHans Petter Selasky break; 341413540260SHans Petter Selasky case C(UR_GET_STATUS, UT_READ_INTERFACE): 341513540260SHans Petter Selasky case C(UR_GET_STATUS, UT_READ_ENDPOINT): 341613540260SHans Petter Selasky len = 2; 341713540260SHans Petter Selasky USETW(sc->sc_hub_desc.stat.wStatus, 0); 341813540260SHans Petter Selasky break; 341913540260SHans Petter Selasky case C(UR_SET_ADDRESS, UT_WRITE_DEVICE): 342013540260SHans Petter Selasky if (value >= XHCI_MAX_DEVICES) { 342113540260SHans Petter Selasky err = USB_ERR_IOERROR; 342213540260SHans Petter Selasky goto done; 342313540260SHans Petter Selasky } 342413540260SHans Petter Selasky break; 342513540260SHans Petter Selasky case C(UR_SET_CONFIG, UT_WRITE_DEVICE): 342613540260SHans Petter Selasky if (value != 0 && value != 1) { 342713540260SHans Petter Selasky err = USB_ERR_IOERROR; 342813540260SHans Petter Selasky goto done; 342913540260SHans Petter Selasky } 343013540260SHans Petter Selasky sc->sc_conf = value; 343113540260SHans Petter Selasky break; 343213540260SHans Petter Selasky case C(UR_SET_DESCRIPTOR, UT_WRITE_DEVICE): 343313540260SHans Petter Selasky break; 343413540260SHans Petter Selasky case C(UR_SET_FEATURE, UT_WRITE_DEVICE): 343513540260SHans Petter Selasky case C(UR_SET_FEATURE, UT_WRITE_INTERFACE): 343613540260SHans Petter Selasky case C(UR_SET_FEATURE, UT_WRITE_ENDPOINT): 343713540260SHans Petter Selasky err = USB_ERR_IOERROR; 343813540260SHans Petter Selasky goto done; 343913540260SHans Petter Selasky case C(UR_SET_INTERFACE, UT_WRITE_INTERFACE): 344013540260SHans Petter Selasky break; 344113540260SHans Petter Selasky case C(UR_SYNCH_FRAME, UT_WRITE_ENDPOINT): 344213540260SHans Petter Selasky break; 344313540260SHans Petter Selasky /* Hub requests */ 344413540260SHans Petter Selasky case C(UR_CLEAR_FEATURE, UT_WRITE_CLASS_DEVICE): 344513540260SHans Petter Selasky break; 344613540260SHans Petter Selasky case C(UR_CLEAR_FEATURE, UT_WRITE_CLASS_OTHER): 344713540260SHans Petter Selasky DPRINTFN(9, "UR_CLEAR_PORT_FEATURE\n"); 344813540260SHans Petter Selasky 344913540260SHans Petter Selasky if ((index < 1) || 345013540260SHans Petter Selasky (index > sc->sc_noport)) { 345113540260SHans Petter Selasky err = USB_ERR_IOERROR; 345213540260SHans Petter Selasky goto done; 345313540260SHans Petter Selasky } 345413540260SHans Petter Selasky port = XHCI_PORTSC(index); 345513540260SHans Petter Selasky 34563d09c7b3SHans Petter Selasky v = XREAD4(sc, oper, port); 34573d09c7b3SHans Petter Selasky i = XHCI_PS_PLS_GET(v); 34583d09c7b3SHans Petter Selasky v &= ~XHCI_PS_CLEAR; 345913540260SHans Petter Selasky 346013540260SHans Petter Selasky switch (value) { 346113540260SHans Petter Selasky case UHF_C_BH_PORT_RESET: 346213540260SHans Petter Selasky XWRITE4(sc, oper, port, v | XHCI_PS_WRC); 346313540260SHans Petter Selasky break; 346413540260SHans Petter Selasky case UHF_C_PORT_CONFIG_ERROR: 346513540260SHans Petter Selasky XWRITE4(sc, oper, port, v | XHCI_PS_CEC); 346613540260SHans Petter Selasky break; 34674131f6fbSHans Petter Selasky case UHF_C_PORT_SUSPEND: 346813540260SHans Petter Selasky case UHF_C_PORT_LINK_STATE: 346913540260SHans Petter Selasky XWRITE4(sc, oper, port, v | XHCI_PS_PLC); 347013540260SHans Petter Selasky break; 347113540260SHans Petter Selasky case UHF_C_PORT_CONNECTION: 347213540260SHans Petter Selasky XWRITE4(sc, oper, port, v | XHCI_PS_CSC); 347313540260SHans Petter Selasky break; 347413540260SHans Petter Selasky case UHF_C_PORT_ENABLE: 347513540260SHans Petter Selasky XWRITE4(sc, oper, port, v | XHCI_PS_PEC); 347613540260SHans Petter Selasky break; 347713540260SHans Petter Selasky case UHF_C_PORT_OVER_CURRENT: 347813540260SHans Petter Selasky XWRITE4(sc, oper, port, v | XHCI_PS_OCC); 347913540260SHans Petter Selasky break; 348013540260SHans Petter Selasky case UHF_C_PORT_RESET: 348113540260SHans Petter Selasky XWRITE4(sc, oper, port, v | XHCI_PS_PRC); 348213540260SHans Petter Selasky break; 348313540260SHans Petter Selasky case UHF_PORT_ENABLE: 348413540260SHans Petter Selasky XWRITE4(sc, oper, port, v | XHCI_PS_PED); 348513540260SHans Petter Selasky break; 348613540260SHans Petter Selasky case UHF_PORT_POWER: 348713540260SHans Petter Selasky XWRITE4(sc, oper, port, v & ~XHCI_PS_PP); 348813540260SHans Petter Selasky break; 348913540260SHans Petter Selasky case UHF_PORT_INDICATOR: 349013540260SHans Petter Selasky XWRITE4(sc, oper, port, v & ~XHCI_PS_PIC_SET(3)); 349113540260SHans Petter Selasky break; 349213540260SHans Petter Selasky case UHF_PORT_SUSPEND: 34933d09c7b3SHans Petter Selasky 34943d09c7b3SHans Petter Selasky /* U3 -> U15 */ 34953d09c7b3SHans Petter Selasky if (i == 3) { 34963d09c7b3SHans Petter Selasky XWRITE4(sc, oper, port, v | 34973d09c7b3SHans Petter Selasky XHCI_PS_PLS_SET(0xF) | XHCI_PS_LWS); 34983d09c7b3SHans Petter Selasky } 34993d09c7b3SHans Petter Selasky 35003d09c7b3SHans Petter Selasky /* wait 20ms for resume sequence to complete */ 35013d09c7b3SHans Petter Selasky usb_pause_mtx(&sc->sc_bus.bus_mtx, hz / 50); 35023d09c7b3SHans Petter Selasky 35033d09c7b3SHans Petter Selasky /* U0 */ 350413540260SHans Petter Selasky XWRITE4(sc, oper, port, v | 350513540260SHans Petter Selasky XHCI_PS_PLS_SET(0) | XHCI_PS_LWS); 350613540260SHans Petter Selasky break; 350713540260SHans Petter Selasky default: 350813540260SHans Petter Selasky err = USB_ERR_IOERROR; 350913540260SHans Petter Selasky goto done; 351013540260SHans Petter Selasky } 351113540260SHans Petter Selasky break; 351213540260SHans Petter Selasky 351313540260SHans Petter Selasky case C(UR_GET_DESCRIPTOR, UT_READ_CLASS_DEVICE): 351413540260SHans Petter Selasky if ((value & 0xff) != 0) { 351513540260SHans Petter Selasky err = USB_ERR_IOERROR; 351613540260SHans Petter Selasky goto done; 351713540260SHans Petter Selasky } 351813540260SHans Petter Selasky 351913540260SHans Petter Selasky v = XREAD4(sc, capa, XHCI_HCSPARAMS0); 352013540260SHans Petter Selasky 352113540260SHans Petter Selasky sc->sc_hub_desc.hubd = xhci_hubd; 352213540260SHans Petter Selasky 352313540260SHans Petter Selasky sc->sc_hub_desc.hubd.bNbrPorts = sc->sc_noport; 352413540260SHans Petter Selasky 352513540260SHans Petter Selasky if (XHCI_HCS0_PPC(v)) 352613540260SHans Petter Selasky i = UHD_PWR_INDIVIDUAL; 352713540260SHans Petter Selasky else 352813540260SHans Petter Selasky i = UHD_PWR_GANGED; 352913540260SHans Petter Selasky 353013540260SHans Petter Selasky if (XHCI_HCS0_PIND(v)) 353113540260SHans Petter Selasky i |= UHD_PORT_IND; 353213540260SHans Petter Selasky 353313540260SHans Petter Selasky i |= UHD_OC_INDIVIDUAL; 353413540260SHans Petter Selasky 353513540260SHans Petter Selasky USETW(sc->sc_hub_desc.hubd.wHubCharacteristics, i); 353613540260SHans Petter Selasky 353713540260SHans Petter Selasky /* see XHCI section 5.4.9: */ 353813540260SHans Petter Selasky sc->sc_hub_desc.hubd.bPwrOn2PwrGood = 10; 353913540260SHans Petter Selasky 354013540260SHans Petter Selasky for (j = 1; j <= sc->sc_noport; j++) { 354113540260SHans Petter Selasky 354213540260SHans Petter Selasky v = XREAD4(sc, oper, XHCI_PORTSC(j)); 354313540260SHans Petter Selasky if (v & XHCI_PS_DR) { 354413540260SHans Petter Selasky sc->sc_hub_desc.hubd. 354513540260SHans Petter Selasky DeviceRemovable[j / 8] |= 1U << (j % 8); 354613540260SHans Petter Selasky } 354713540260SHans Petter Selasky } 354813540260SHans Petter Selasky len = sc->sc_hub_desc.hubd.bLength; 354913540260SHans Petter Selasky break; 355013540260SHans Petter Selasky 355113540260SHans Petter Selasky case C(UR_GET_STATUS, UT_READ_CLASS_DEVICE): 355213540260SHans Petter Selasky len = 16; 355313540260SHans Petter Selasky memset(sc->sc_hub_desc.temp, 0, 16); 355413540260SHans Petter Selasky break; 355513540260SHans Petter Selasky 355613540260SHans Petter Selasky case C(UR_GET_STATUS, UT_READ_CLASS_OTHER): 355713540260SHans Petter Selasky DPRINTFN(9, "UR_GET_STATUS i=%d\n", index); 355813540260SHans Petter Selasky 355913540260SHans Petter Selasky if ((index < 1) || 356013540260SHans Petter Selasky (index > sc->sc_noport)) { 356113540260SHans Petter Selasky err = USB_ERR_IOERROR; 356213540260SHans Petter Selasky goto done; 356313540260SHans Petter Selasky } 356413540260SHans Petter Selasky 356513540260SHans Petter Selasky v = XREAD4(sc, oper, XHCI_PORTSC(index)); 356613540260SHans Petter Selasky 356713540260SHans Petter Selasky DPRINTFN(9, "port status=0x%08x\n", v); 356813540260SHans Petter Selasky 356913540260SHans Petter Selasky i = UPS_PORT_LINK_STATE_SET(XHCI_PS_PLS_GET(v)); 357013540260SHans Petter Selasky 357113540260SHans Petter Selasky switch (XHCI_PS_SPEED_GET(v)) { 357213540260SHans Petter Selasky case 3: 357313540260SHans Petter Selasky i |= UPS_HIGH_SPEED; 357413540260SHans Petter Selasky break; 357513540260SHans Petter Selasky case 2: 357613540260SHans Petter Selasky i |= UPS_LOW_SPEED; 357713540260SHans Petter Selasky break; 357813540260SHans Petter Selasky case 1: 357913540260SHans Petter Selasky /* FULL speed */ 358013540260SHans Petter Selasky break; 358113540260SHans Petter Selasky default: 358213540260SHans Petter Selasky i |= UPS_OTHER_SPEED; 358313540260SHans Petter Selasky break; 358413540260SHans Petter Selasky } 358513540260SHans Petter Selasky 358613540260SHans Petter Selasky if (v & XHCI_PS_CCS) 358713540260SHans Petter Selasky i |= UPS_CURRENT_CONNECT_STATUS; 358813540260SHans Petter Selasky if (v & XHCI_PS_PED) 358913540260SHans Petter Selasky i |= UPS_PORT_ENABLED; 359013540260SHans Petter Selasky if (v & XHCI_PS_OCA) 359113540260SHans Petter Selasky i |= UPS_OVERCURRENT_INDICATOR; 359213540260SHans Petter Selasky if (v & XHCI_PS_PR) 359313540260SHans Petter Selasky i |= UPS_RESET; 359499b0e607SHans Petter Selasky if (v & XHCI_PS_PP) { 359599b0e607SHans Petter Selasky /* 359699b0e607SHans Petter Selasky * The USB 3.0 RH is using the 359799b0e607SHans Petter Selasky * USB 2.0's power bit 359899b0e607SHans Petter Selasky */ 359999b0e607SHans Petter Selasky i |= UPS_PORT_POWER; 360099b0e607SHans Petter Selasky } 360113540260SHans Petter Selasky USETW(sc->sc_hub_desc.ps.wPortStatus, i); 360213540260SHans Petter Selasky 360313540260SHans Petter Selasky i = 0; 360413540260SHans Petter Selasky if (v & XHCI_PS_CSC) 360513540260SHans Petter Selasky i |= UPS_C_CONNECT_STATUS; 360613540260SHans Petter Selasky if (v & XHCI_PS_PEC) 360713540260SHans Petter Selasky i |= UPS_C_PORT_ENABLED; 360813540260SHans Petter Selasky if (v & XHCI_PS_OCC) 360913540260SHans Petter Selasky i |= UPS_C_OVERCURRENT_INDICATOR; 361013540260SHans Petter Selasky if (v & XHCI_PS_WRC) 361113540260SHans Petter Selasky i |= UPS_C_BH_PORT_RESET; 361213540260SHans Petter Selasky if (v & XHCI_PS_PRC) 361313540260SHans Petter Selasky i |= UPS_C_PORT_RESET; 361413540260SHans Petter Selasky if (v & XHCI_PS_PLC) 361513540260SHans Petter Selasky i |= UPS_C_PORT_LINK_STATE; 361613540260SHans Petter Selasky if (v & XHCI_PS_CEC) 361713540260SHans Petter Selasky i |= UPS_C_PORT_CONFIG_ERROR; 361813540260SHans Petter Selasky 361913540260SHans Petter Selasky USETW(sc->sc_hub_desc.ps.wPortChange, i); 362013540260SHans Petter Selasky len = sizeof(sc->sc_hub_desc.ps); 362113540260SHans Petter Selasky break; 362213540260SHans Petter Selasky 362313540260SHans Petter Selasky case C(UR_SET_DESCRIPTOR, UT_WRITE_CLASS_DEVICE): 362413540260SHans Petter Selasky err = USB_ERR_IOERROR; 362513540260SHans Petter Selasky goto done; 362613540260SHans Petter Selasky 362713540260SHans Petter Selasky case C(UR_SET_FEATURE, UT_WRITE_CLASS_DEVICE): 362813540260SHans Petter Selasky break; 362913540260SHans Petter Selasky 363013540260SHans Petter Selasky case C(UR_SET_FEATURE, UT_WRITE_CLASS_OTHER): 363113540260SHans Petter Selasky 363213540260SHans Petter Selasky i = index >> 8; 363313540260SHans Petter Selasky index &= 0x00FF; 363413540260SHans Petter Selasky 363513540260SHans Petter Selasky if ((index < 1) || 363613540260SHans Petter Selasky (index > sc->sc_noport)) { 363713540260SHans Petter Selasky err = USB_ERR_IOERROR; 363813540260SHans Petter Selasky goto done; 363913540260SHans Petter Selasky } 364013540260SHans Petter Selasky 364113540260SHans Petter Selasky port = XHCI_PORTSC(index); 364213540260SHans Petter Selasky v = XREAD4(sc, oper, port) & ~XHCI_PS_CLEAR; 364313540260SHans Petter Selasky 364413540260SHans Petter Selasky switch (value) { 364513540260SHans Petter Selasky case UHF_PORT_U1_TIMEOUT: 364613540260SHans Petter Selasky if (XHCI_PS_SPEED_GET(v) != 4) { 364713540260SHans Petter Selasky err = USB_ERR_IOERROR; 364813540260SHans Petter Selasky goto done; 364913540260SHans Petter Selasky } 365013540260SHans Petter Selasky port = XHCI_PORTPMSC(index); 365113540260SHans Petter Selasky v = XREAD4(sc, oper, port); 365213540260SHans Petter Selasky v &= ~XHCI_PM3_U1TO_SET(0xFF); 365313540260SHans Petter Selasky v |= XHCI_PM3_U1TO_SET(i); 365413540260SHans Petter Selasky XWRITE4(sc, oper, port, v); 365513540260SHans Petter Selasky break; 365613540260SHans Petter Selasky case UHF_PORT_U2_TIMEOUT: 365713540260SHans Petter Selasky if (XHCI_PS_SPEED_GET(v) != 4) { 365813540260SHans Petter Selasky err = USB_ERR_IOERROR; 365913540260SHans Petter Selasky goto done; 366013540260SHans Petter Selasky } 366113540260SHans Petter Selasky port = XHCI_PORTPMSC(index); 366213540260SHans Petter Selasky v = XREAD4(sc, oper, port); 366313540260SHans Petter Selasky v &= ~XHCI_PM3_U2TO_SET(0xFF); 366413540260SHans Petter Selasky v |= XHCI_PM3_U2TO_SET(i); 366513540260SHans Petter Selasky XWRITE4(sc, oper, port, v); 366613540260SHans Petter Selasky break; 366713540260SHans Petter Selasky case UHF_BH_PORT_RESET: 366813540260SHans Petter Selasky XWRITE4(sc, oper, port, v | XHCI_PS_WPR); 366913540260SHans Petter Selasky break; 367013540260SHans Petter Selasky case UHF_PORT_LINK_STATE: 367113540260SHans Petter Selasky XWRITE4(sc, oper, port, v | 367213540260SHans Petter Selasky XHCI_PS_PLS_SET(i) | XHCI_PS_LWS); 367313540260SHans Petter Selasky /* 4ms settle time */ 367413540260SHans Petter Selasky usb_pause_mtx(&sc->sc_bus.bus_mtx, hz / 250); 367513540260SHans Petter Selasky break; 367613540260SHans Petter Selasky case UHF_PORT_ENABLE: 367713540260SHans Petter Selasky DPRINTFN(3, "set port enable %d\n", index); 367813540260SHans Petter Selasky break; 367913540260SHans Petter Selasky case UHF_PORT_SUSPEND: 368013540260SHans Petter Selasky DPRINTFN(6, "suspend port %u (LPM=%u)\n", index, i); 368113540260SHans Petter Selasky j = XHCI_PS_SPEED_GET(v); 368213540260SHans Petter Selasky if ((j < 1) || (j > 3)) { 368313540260SHans Petter Selasky /* non-supported speed */ 368413540260SHans Petter Selasky err = USB_ERR_IOERROR; 368513540260SHans Petter Selasky goto done; 368613540260SHans Petter Selasky } 368713540260SHans Petter Selasky XWRITE4(sc, oper, port, v | 368813540260SHans Petter Selasky XHCI_PS_PLS_SET(i ? 2 /* LPM */ : 3) | XHCI_PS_LWS); 368913540260SHans Petter Selasky break; 369013540260SHans Petter Selasky case UHF_PORT_RESET: 369113540260SHans Petter Selasky DPRINTFN(6, "reset port %d\n", index); 369213540260SHans Petter Selasky XWRITE4(sc, oper, port, v | XHCI_PS_PR); 369313540260SHans Petter Selasky break; 369413540260SHans Petter Selasky case UHF_PORT_POWER: 369513540260SHans Petter Selasky DPRINTFN(3, "set port power %d\n", index); 369613540260SHans Petter Selasky XWRITE4(sc, oper, port, v | XHCI_PS_PP); 369713540260SHans Petter Selasky break; 369813540260SHans Petter Selasky case UHF_PORT_TEST: 369913540260SHans Petter Selasky DPRINTFN(3, "set port test %d\n", index); 370013540260SHans Petter Selasky break; 370113540260SHans Petter Selasky case UHF_PORT_INDICATOR: 370213540260SHans Petter Selasky DPRINTFN(3, "set port indicator %d\n", index); 370313540260SHans Petter Selasky 370413540260SHans Petter Selasky v &= ~XHCI_PS_PIC_SET(3); 370513540260SHans Petter Selasky v |= XHCI_PS_PIC_SET(1); 370613540260SHans Petter Selasky 370713540260SHans Petter Selasky XWRITE4(sc, oper, port, v); 370813540260SHans Petter Selasky break; 370913540260SHans Petter Selasky default: 371013540260SHans Petter Selasky err = USB_ERR_IOERROR; 371113540260SHans Petter Selasky goto done; 371213540260SHans Petter Selasky } 371313540260SHans Petter Selasky break; 371413540260SHans Petter Selasky 371513540260SHans Petter Selasky case C(UR_CLEAR_TT_BUFFER, UT_WRITE_CLASS_OTHER): 371613540260SHans Petter Selasky case C(UR_RESET_TT, UT_WRITE_CLASS_OTHER): 371713540260SHans Petter Selasky case C(UR_GET_TT_STATE, UT_READ_CLASS_OTHER): 371813540260SHans Petter Selasky case C(UR_STOP_TT, UT_WRITE_CLASS_OTHER): 371913540260SHans Petter Selasky break; 372013540260SHans Petter Selasky default: 372113540260SHans Petter Selasky err = USB_ERR_IOERROR; 372213540260SHans Petter Selasky goto done; 372313540260SHans Petter Selasky } 372413540260SHans Petter Selasky done: 372513540260SHans Petter Selasky *plength = len; 372613540260SHans Petter Selasky *pptr = ptr; 372713540260SHans Petter Selasky return (err); 372813540260SHans Petter Selasky } 372913540260SHans Petter Selasky 373013540260SHans Petter Selasky static void 373113540260SHans Petter Selasky xhci_xfer_setup(struct usb_setup_params *parm) 373213540260SHans Petter Selasky { 373313540260SHans Petter Selasky struct usb_page_search page_info; 373413540260SHans Petter Selasky struct usb_page_cache *pc; 373513540260SHans Petter Selasky struct usb_xfer *xfer; 373613540260SHans Petter Selasky void *last_obj; 373713540260SHans Petter Selasky uint32_t ntd; 373813540260SHans Petter Selasky uint32_t n; 373913540260SHans Petter Selasky 374013540260SHans Petter Selasky xfer = parm->curr_xfer; 374113540260SHans Petter Selasky 374213540260SHans Petter Selasky /* 374313540260SHans Petter Selasky * The proof for the "ntd" formula is illustrated like this: 374413540260SHans Petter Selasky * 374513540260SHans Petter Selasky * +------------------------------------+ 374613540260SHans Petter Selasky * | | 374713540260SHans Petter Selasky * | |remainder -> | 374813540260SHans Petter Selasky * | +-----+---+ | 374913540260SHans Petter Selasky * | | xxx | x | frm 0 | 375013540260SHans Petter Selasky * | +-----+---++ | 375113540260SHans Petter Selasky * | | xxx | xx | frm 1 | 375213540260SHans Petter Selasky * | +-----+----+ | 375313540260SHans Petter Selasky * | ... | 375413540260SHans Petter Selasky * +------------------------------------+ 375513540260SHans Petter Selasky * 375613540260SHans Petter Selasky * "xxx" means a completely full USB transfer descriptor 375713540260SHans Petter Selasky * 375813540260SHans Petter Selasky * "x" and "xx" means a short USB packet 375913540260SHans Petter Selasky * 376013540260SHans Petter Selasky * For the remainder of an USB transfer modulo 376113540260SHans Petter Selasky * "max_data_length" we need two USB transfer descriptors. 376213540260SHans Petter Selasky * One to transfer the remaining data and one to finalise with 376313540260SHans Petter Selasky * a zero length packet in case the "force_short_xfer" flag is 376413540260SHans Petter Selasky * set. We only need two USB transfer descriptors in the case 376513540260SHans Petter Selasky * where the transfer length of the first one is a factor of 376613540260SHans Petter Selasky * "max_frame_size". The rest of the needed USB transfer 376713540260SHans Petter Selasky * descriptors is given by the buffer size divided by the 376813540260SHans Petter Selasky * maximum data payload. 376913540260SHans Petter Selasky */ 377013540260SHans Petter Selasky parm->hc_max_packet_size = 0x400; 377113540260SHans Petter Selasky parm->hc_max_packet_count = 16 * 3; 377213540260SHans Petter Selasky parm->hc_max_frame_size = XHCI_TD_PAYLOAD_MAX; 377313540260SHans Petter Selasky 377413540260SHans Petter Selasky xfer->flags_int.bdma_enable = 1; 377513540260SHans Petter Selasky 377613540260SHans Petter Selasky usbd_transfer_setup_sub(parm); 377713540260SHans Petter Selasky 377813540260SHans Petter Selasky if (xfer->flags_int.isochronous_xfr) { 377913540260SHans Petter Selasky ntd = ((1 * xfer->nframes) 378013540260SHans Petter Selasky + (xfer->max_data_length / xfer->max_hc_frame_size)); 378113540260SHans Petter Selasky } else if (xfer->flags_int.control_xfr) { 378213540260SHans Petter Selasky ntd = ((2 * xfer->nframes) + 1 /* STATUS */ 378313540260SHans Petter Selasky + (xfer->max_data_length / xfer->max_hc_frame_size)); 378413540260SHans Petter Selasky } else { 378513540260SHans Petter Selasky ntd = ((2 * xfer->nframes) 378613540260SHans Petter Selasky + (xfer->max_data_length / xfer->max_hc_frame_size)); 378713540260SHans Petter Selasky } 378813540260SHans Petter Selasky 378913540260SHans Petter Selasky alloc_dma_set: 379013540260SHans Petter Selasky 379113540260SHans Petter Selasky if (parm->err) 379213540260SHans Petter Selasky return; 379313540260SHans Petter Selasky 379413540260SHans Petter Selasky /* 379513540260SHans Petter Selasky * Allocate queue heads and transfer descriptors 379613540260SHans Petter Selasky */ 379713540260SHans Petter Selasky last_obj = NULL; 379813540260SHans Petter Selasky 379913540260SHans Petter Selasky if (usbd_transfer_setup_sub_malloc( 380013540260SHans Petter Selasky parm, &pc, sizeof(struct xhci_td), 380113540260SHans Petter Selasky XHCI_TD_ALIGN, ntd)) { 380213540260SHans Petter Selasky parm->err = USB_ERR_NOMEM; 380313540260SHans Petter Selasky return; 380413540260SHans Petter Selasky } 380513540260SHans Petter Selasky if (parm->buf) { 380613540260SHans Petter Selasky for (n = 0; n != ntd; n++) { 380713540260SHans Petter Selasky struct xhci_td *td; 380813540260SHans Petter Selasky 380913540260SHans Petter Selasky usbd_get_page(pc + n, 0, &page_info); 381013540260SHans Petter Selasky 381113540260SHans Petter Selasky td = page_info.buffer; 381213540260SHans Petter Selasky 381313540260SHans Petter Selasky /* init TD */ 381413540260SHans Petter Selasky td->td_self = page_info.physaddr; 381513540260SHans Petter Selasky td->obj_next = last_obj; 381613540260SHans Petter Selasky td->page_cache = pc + n; 381713540260SHans Petter Selasky 381813540260SHans Petter Selasky last_obj = td; 381913540260SHans Petter Selasky 382013540260SHans Petter Selasky usb_pc_cpu_flush(pc + n); 382113540260SHans Petter Selasky } 382213540260SHans Petter Selasky } 382313540260SHans Petter Selasky xfer->td_start[xfer->flags_int.curr_dma_set] = last_obj; 382413540260SHans Petter Selasky 382513540260SHans Petter Selasky if (!xfer->flags_int.curr_dma_set) { 382613540260SHans Petter Selasky xfer->flags_int.curr_dma_set = 1; 382713540260SHans Petter Selasky goto alloc_dma_set; 382813540260SHans Petter Selasky } 382913540260SHans Petter Selasky } 383013540260SHans Petter Selasky 383113540260SHans Petter Selasky static usb_error_t 383213540260SHans Petter Selasky xhci_configure_reset_endpoint(struct usb_xfer *xfer) 383313540260SHans Petter Selasky { 383413540260SHans Petter Selasky struct xhci_softc *sc = XHCI_BUS2SC(xfer->xroot->bus); 383513540260SHans Petter Selasky struct usb_page_search buf_inp; 383613540260SHans Petter Selasky struct usb_device *udev; 383713540260SHans Petter Selasky struct xhci_endpoint_ext *pepext; 383813540260SHans Petter Selasky struct usb_endpoint_descriptor *edesc; 383913540260SHans Petter Selasky struct usb_page_cache *pcinp; 384013540260SHans Petter Selasky usb_error_t err; 3841a5cf1aaaSHans Petter Selasky usb_stream_t stream_id; 38427ba6c62fSHans Petter Selasky uint32_t mask; 384313540260SHans Petter Selasky uint8_t index; 384413540260SHans Petter Selasky uint8_t epno; 384513540260SHans Petter Selasky 384613540260SHans Petter Selasky pepext = xhci_get_endpoint_ext(xfer->xroot->udev, 384713540260SHans Petter Selasky xfer->endpoint->edesc); 384813540260SHans Petter Selasky 384913540260SHans Petter Selasky udev = xfer->xroot->udev; 385013540260SHans Petter Selasky index = udev->controller_slot_id; 385113540260SHans Petter Selasky 385213540260SHans Petter Selasky pcinp = &sc->sc_hw.devs[index].input_pc; 385313540260SHans Petter Selasky 385413540260SHans Petter Selasky usbd_get_page(pcinp, 0, &buf_inp); 385513540260SHans Petter Selasky 385613540260SHans Petter Selasky edesc = xfer->endpoint->edesc; 385713540260SHans Petter Selasky 385813540260SHans Petter Selasky epno = edesc->bEndpointAddress; 3859a5cf1aaaSHans Petter Selasky stream_id = xfer->stream_id; 386013540260SHans Petter Selasky 386113540260SHans Petter Selasky if ((edesc->bmAttributes & UE_XFERTYPE) == UE_CONTROL) 386213540260SHans Petter Selasky epno |= UE_DIR_IN; 386313540260SHans Petter Selasky 386413540260SHans Petter Selasky epno = XHCI_EPNO2EPID(epno); 386513540260SHans Petter Selasky 386613540260SHans Petter Selasky if (epno == 0) 386713540260SHans Petter Selasky return (USB_ERR_NO_PIPE); /* invalid */ 386813540260SHans Petter Selasky 386913540260SHans Petter Selasky XHCI_CMD_LOCK(sc); 387013540260SHans Petter Selasky 387113540260SHans Petter Selasky /* configure endpoint */ 387213540260SHans Petter Selasky 387313540260SHans Petter Selasky err = xhci_configure_endpoint_by_xfer(xfer); 387413540260SHans Petter Selasky 387513540260SHans Petter Selasky if (err != 0) { 387613540260SHans Petter Selasky XHCI_CMD_UNLOCK(sc); 387713540260SHans Petter Selasky return (err); 387813540260SHans Petter Selasky } 387913540260SHans Petter Selasky 388013540260SHans Petter Selasky /* 388113540260SHans Petter Selasky * Get the endpoint into the stopped state according to the 388213540260SHans Petter Selasky * endpoint context state diagram in the XHCI specification: 388313540260SHans Petter Selasky */ 388413540260SHans Petter Selasky 388513540260SHans Petter Selasky err = xhci_cmd_stop_ep(sc, 0, epno, index); 388613540260SHans Petter Selasky 388713540260SHans Petter Selasky if (err != 0) 388813540260SHans Petter Selasky DPRINTF("Could not stop endpoint %u\n", epno); 388913540260SHans Petter Selasky 389013540260SHans Petter Selasky err = xhci_cmd_reset_ep(sc, 0, epno, index); 389113540260SHans Petter Selasky 389213540260SHans Petter Selasky if (err != 0) 389313540260SHans Petter Selasky DPRINTF("Could not reset endpoint %u\n", epno); 389413540260SHans Petter Selasky 3895a5cf1aaaSHans Petter Selasky err = xhci_cmd_set_tr_dequeue_ptr(sc, 3896a5cf1aaaSHans Petter Selasky (pepext->physaddr + (stream_id * sizeof(struct xhci_trb) * 3897a5cf1aaaSHans Petter Selasky XHCI_MAX_TRANSFERS)) | XHCI_EPCTX_2_DCS_SET(1), 3898a5cf1aaaSHans Petter Selasky stream_id, epno, index); 389913540260SHans Petter Selasky 390013540260SHans Petter Selasky if (err != 0) 390113540260SHans Petter Selasky DPRINTF("Could not set dequeue ptr for endpoint %u\n", epno); 390213540260SHans Petter Selasky 390313540260SHans Petter Selasky /* 390413540260SHans Petter Selasky * Get the endpoint into the running state according to the 390513540260SHans Petter Selasky * endpoint context state diagram in the XHCI specification: 390613540260SHans Petter Selasky */ 390713540260SHans Petter Selasky 39087ba6c62fSHans Petter Selasky mask = (1U << epno); 39097ba6c62fSHans Petter Selasky xhci_configure_mask(udev, mask | 1U, 0); 391013540260SHans Petter Selasky 39117ba6c62fSHans Petter Selasky if (!(sc->sc_hw.devs[index].ep_configured & mask)) { 39127ba6c62fSHans Petter Selasky sc->sc_hw.devs[index].ep_configured |= mask; 391313540260SHans Petter Selasky err = xhci_cmd_configure_ep(sc, buf_inp.physaddr, 0, index); 39147ba6c62fSHans Petter Selasky } else { 39157816434aSHans Petter Selasky err = xhci_cmd_evaluate_ctx(sc, buf_inp.physaddr, index); 39167ba6c62fSHans Petter Selasky } 391713540260SHans Petter Selasky 39187ba6c62fSHans Petter Selasky if (err != 0) { 39197ba6c62fSHans Petter Selasky DPRINTF("Could not configure " 39207ba6c62fSHans Petter Selasky "endpoint %u at slot %u.\n", epno, index); 39217ba6c62fSHans Petter Selasky } 392213540260SHans Petter Selasky XHCI_CMD_UNLOCK(sc); 392313540260SHans Petter Selasky 392413540260SHans Petter Selasky return (0); 392513540260SHans Petter Selasky } 392613540260SHans Petter Selasky 392713540260SHans Petter Selasky static void 392813540260SHans Petter Selasky xhci_xfer_unsetup(struct usb_xfer *xfer) 392913540260SHans Petter Selasky { 393013540260SHans Petter Selasky return; 393113540260SHans Petter Selasky } 393213540260SHans Petter Selasky 393313540260SHans Petter Selasky static void 393413540260SHans Petter Selasky xhci_start_dma_delay(struct usb_xfer *xfer) 393513540260SHans Petter Selasky { 393613540260SHans Petter Selasky struct xhci_softc *sc = XHCI_BUS2SC(xfer->xroot->bus); 393713540260SHans Petter Selasky 393813540260SHans Petter Selasky /* put transfer on interrupt queue (again) */ 393913540260SHans Petter Selasky usbd_transfer_enqueue(&sc->sc_bus.intr_q, xfer); 394013540260SHans Petter Selasky 39419b3a48eeSHans Petter Selasky (void)usb_proc_msignal(USB_BUS_CONTROL_XFER_PROC(&sc->sc_bus), 394213540260SHans Petter Selasky &sc->sc_config_msg[0], &sc->sc_config_msg[1]); 394313540260SHans Petter Selasky } 394413540260SHans Petter Selasky 394513540260SHans Petter Selasky static void 394613540260SHans Petter Selasky xhci_configure_msg(struct usb_proc_msg *pm) 394713540260SHans Petter Selasky { 394813540260SHans Petter Selasky struct xhci_softc *sc; 394913540260SHans Petter Selasky struct xhci_endpoint_ext *pepext; 395013540260SHans Petter Selasky struct usb_xfer *xfer; 395113540260SHans Petter Selasky 395213540260SHans Petter Selasky sc = XHCI_BUS2SC(((struct usb_bus_msg *)pm)->bus); 395313540260SHans Petter Selasky 395413540260SHans Petter Selasky restart: 395513540260SHans Petter Selasky TAILQ_FOREACH(xfer, &sc->sc_bus.intr_q.head, wait_entry) { 395613540260SHans Petter Selasky 395713540260SHans Petter Selasky pepext = xhci_get_endpoint_ext(xfer->xroot->udev, 395813540260SHans Petter Selasky xfer->endpoint->edesc); 395913540260SHans Petter Selasky 396013540260SHans Petter Selasky if ((pepext->trb_halted != 0) || 396113540260SHans Petter Selasky (pepext->trb_running == 0)) { 396213540260SHans Petter Selasky 3963cfa00b0dSHans Petter Selasky uint16_t i; 396413540260SHans Petter Selasky 396513540260SHans Petter Selasky /* clear halted and running */ 396613540260SHans Petter Selasky pepext->trb_halted = 0; 396713540260SHans Petter Selasky pepext->trb_running = 0; 396813540260SHans Petter Selasky 396913540260SHans Petter Selasky /* nuke remaining buffered transfers */ 397013540260SHans Petter Selasky 3971cfa00b0dSHans Petter Selasky for (i = 0; i != (XHCI_MAX_TRANSFERS * 3972cfa00b0dSHans Petter Selasky XHCI_MAX_STREAMS); i++) { 397313540260SHans Petter Selasky /* 397413540260SHans Petter Selasky * NOTE: We need to use the timeout 397513540260SHans Petter Selasky * error code here else existing 397613540260SHans Petter Selasky * isochronous clients can get 397713540260SHans Petter Selasky * confused: 397813540260SHans Petter Selasky */ 397913540260SHans Petter Selasky if (pepext->xfer[i] != NULL) { 398013540260SHans Petter Selasky xhci_device_done(pepext->xfer[i], 398113540260SHans Petter Selasky USB_ERR_TIMEOUT); 398213540260SHans Petter Selasky } 398313540260SHans Petter Selasky } 398413540260SHans Petter Selasky 398513540260SHans Petter Selasky /* 398613540260SHans Petter Selasky * NOTE: The USB transfer cannot vanish in 398713540260SHans Petter Selasky * this state! 398813540260SHans Petter Selasky */ 398913540260SHans Petter Selasky 399013540260SHans Petter Selasky USB_BUS_UNLOCK(&sc->sc_bus); 399113540260SHans Petter Selasky 399213540260SHans Petter Selasky xhci_configure_reset_endpoint(xfer); 399313540260SHans Petter Selasky 399413540260SHans Petter Selasky USB_BUS_LOCK(&sc->sc_bus); 399513540260SHans Petter Selasky 399613540260SHans Petter Selasky /* check if halted is still cleared */ 399713540260SHans Petter Selasky if (pepext->trb_halted == 0) { 399813540260SHans Petter Selasky pepext->trb_running = 1; 3999a5cf1aaaSHans Petter Selasky memset(pepext->trb_index, 0, 4000a5cf1aaaSHans Petter Selasky sizeof(pepext->trb_index)); 400113540260SHans Petter Selasky } 400213540260SHans Petter Selasky goto restart; 400313540260SHans Petter Selasky } 400413540260SHans Petter Selasky 400513540260SHans Petter Selasky if (xfer->flags_int.did_dma_delay) { 400613540260SHans Petter Selasky 400713540260SHans Petter Selasky /* remove transfer from interrupt queue (again) */ 400813540260SHans Petter Selasky usbd_transfer_dequeue(xfer); 400913540260SHans Petter Selasky 401013540260SHans Petter Selasky /* we are finally done */ 401113540260SHans Petter Selasky usb_dma_delay_done_cb(xfer); 401213540260SHans Petter Selasky 401313540260SHans Petter Selasky /* queue changed - restart */ 401413540260SHans Petter Selasky goto restart; 401513540260SHans Petter Selasky } 401613540260SHans Petter Selasky } 401713540260SHans Petter Selasky 401813540260SHans Petter Selasky TAILQ_FOREACH(xfer, &sc->sc_bus.intr_q.head, wait_entry) { 401913540260SHans Petter Selasky 402013540260SHans Petter Selasky /* try to insert xfer on HW queue */ 402113540260SHans Petter Selasky xhci_transfer_insert(xfer); 402213540260SHans Petter Selasky 402313540260SHans Petter Selasky /* try to multi buffer */ 4024a5cf1aaaSHans Petter Selasky xhci_device_generic_multi_enter(xfer->endpoint, 4025a5cf1aaaSHans Petter Selasky xfer->stream_id, NULL); 402613540260SHans Petter Selasky } 402713540260SHans Petter Selasky } 402813540260SHans Petter Selasky 402913540260SHans Petter Selasky static void 403013540260SHans Petter Selasky xhci_ep_init(struct usb_device *udev, struct usb_endpoint_descriptor *edesc, 403113540260SHans Petter Selasky struct usb_endpoint *ep) 403213540260SHans Petter Selasky { 403313540260SHans Petter Selasky struct xhci_endpoint_ext *pepext; 403413540260SHans Petter Selasky 403513540260SHans Petter Selasky DPRINTFN(2, "endpoint=%p, addr=%d, endpt=%d, mode=%d\n", 403613540260SHans Petter Selasky ep, udev->address, edesc->bEndpointAddress, udev->flags.usb_mode); 403713540260SHans Petter Selasky 403813540260SHans Petter Selasky if (udev->parent_hub == NULL) { 403913540260SHans Petter Selasky /* root HUB has special endpoint handling */ 404013540260SHans Petter Selasky return; 404113540260SHans Petter Selasky } 404213540260SHans Petter Selasky 404313540260SHans Petter Selasky ep->methods = &xhci_device_generic_methods; 404413540260SHans Petter Selasky 404513540260SHans Petter Selasky pepext = xhci_get_endpoint_ext(udev, edesc); 404613540260SHans Petter Selasky 404713540260SHans Petter Selasky USB_BUS_LOCK(udev->bus); 404813540260SHans Petter Selasky pepext->trb_halted = 1; 404913540260SHans Petter Selasky pepext->trb_running = 0; 405013540260SHans Petter Selasky USB_BUS_UNLOCK(udev->bus); 405113540260SHans Petter Selasky } 405213540260SHans Petter Selasky 405313540260SHans Petter Selasky static void 405413540260SHans Petter Selasky xhci_ep_uninit(struct usb_device *udev, struct usb_endpoint *ep) 405513540260SHans Petter Selasky { 405613540260SHans Petter Selasky 405713540260SHans Petter Selasky } 405813540260SHans Petter Selasky 405913540260SHans Petter Selasky static void 406013540260SHans Petter Selasky xhci_ep_clear_stall(struct usb_device *udev, struct usb_endpoint *ep) 406113540260SHans Petter Selasky { 406213540260SHans Petter Selasky struct xhci_endpoint_ext *pepext; 406313540260SHans Petter Selasky 406413540260SHans Petter Selasky DPRINTF("\n"); 406513540260SHans Petter Selasky 406613540260SHans Petter Selasky if (udev->flags.usb_mode != USB_MODE_HOST) { 406713540260SHans Petter Selasky /* not supported */ 406813540260SHans Petter Selasky return; 406913540260SHans Petter Selasky } 407013540260SHans Petter Selasky if (udev->parent_hub == NULL) { 407113540260SHans Petter Selasky /* root HUB has special endpoint handling */ 407213540260SHans Petter Selasky return; 407313540260SHans Petter Selasky } 407413540260SHans Petter Selasky 407513540260SHans Petter Selasky pepext = xhci_get_endpoint_ext(udev, ep->edesc); 407613540260SHans Petter Selasky 407713540260SHans Petter Selasky USB_BUS_LOCK(udev->bus); 407813540260SHans Petter Selasky pepext->trb_halted = 1; 407913540260SHans Petter Selasky pepext->trb_running = 0; 408013540260SHans Petter Selasky USB_BUS_UNLOCK(udev->bus); 408113540260SHans Petter Selasky } 408213540260SHans Petter Selasky 408313540260SHans Petter Selasky static usb_error_t 408413540260SHans Petter Selasky xhci_device_init(struct usb_device *udev) 408513540260SHans Petter Selasky { 408613540260SHans Petter Selasky struct xhci_softc *sc = XHCI_BUS2SC(udev->bus); 408713540260SHans Petter Selasky usb_error_t err; 408813540260SHans Petter Selasky uint8_t temp; 408913540260SHans Petter Selasky 409013540260SHans Petter Selasky /* no init for root HUB */ 409113540260SHans Petter Selasky if (udev->parent_hub == NULL) 409213540260SHans Petter Selasky return (0); 409313540260SHans Petter Selasky 409413540260SHans Petter Selasky XHCI_CMD_LOCK(sc); 409513540260SHans Petter Selasky 409613540260SHans Petter Selasky /* set invalid default */ 409713540260SHans Petter Selasky 409813540260SHans Petter Selasky udev->controller_slot_id = sc->sc_noslot + 1; 409913540260SHans Petter Selasky 410013540260SHans Petter Selasky /* try to get a new slot ID from the XHCI */ 410113540260SHans Petter Selasky 410213540260SHans Petter Selasky err = xhci_cmd_enable_slot(sc, &temp); 410313540260SHans Petter Selasky 410413540260SHans Petter Selasky if (err) { 410513540260SHans Petter Selasky XHCI_CMD_UNLOCK(sc); 410613540260SHans Petter Selasky return (err); 410713540260SHans Petter Selasky } 410813540260SHans Petter Selasky 410913540260SHans Petter Selasky if (temp > sc->sc_noslot) { 411013540260SHans Petter Selasky XHCI_CMD_UNLOCK(sc); 411113540260SHans Petter Selasky return (USB_ERR_BAD_ADDRESS); 411213540260SHans Petter Selasky } 411313540260SHans Petter Selasky 411413540260SHans Petter Selasky if (sc->sc_hw.devs[temp].state != XHCI_ST_DISABLED) { 411513540260SHans Petter Selasky DPRINTF("slot %u already allocated.\n", temp); 411613540260SHans Petter Selasky XHCI_CMD_UNLOCK(sc); 411713540260SHans Petter Selasky return (USB_ERR_BAD_ADDRESS); 411813540260SHans Petter Selasky } 411913540260SHans Petter Selasky 412013540260SHans Petter Selasky /* store slot ID for later reference */ 412113540260SHans Petter Selasky 412213540260SHans Petter Selasky udev->controller_slot_id = temp; 412313540260SHans Petter Selasky 412413540260SHans Petter Selasky /* reset data structure */ 412513540260SHans Petter Selasky 412613540260SHans Petter Selasky memset(&sc->sc_hw.devs[temp], 0, sizeof(sc->sc_hw.devs[0])); 412713540260SHans Petter Selasky 412813540260SHans Petter Selasky /* set mark slot allocated */ 412913540260SHans Petter Selasky 413013540260SHans Petter Selasky sc->sc_hw.devs[temp].state = XHCI_ST_ENABLED; 413113540260SHans Petter Selasky 413213540260SHans Petter Selasky err = xhci_alloc_device_ext(udev); 413313540260SHans Petter Selasky 413413540260SHans Petter Selasky XHCI_CMD_UNLOCK(sc); 413513540260SHans Petter Selasky 413613540260SHans Petter Selasky /* get device into default state */ 413713540260SHans Petter Selasky 413813540260SHans Petter Selasky if (err == 0) 413913540260SHans Petter Selasky err = xhci_set_address(udev, NULL, 0); 414013540260SHans Petter Selasky 414113540260SHans Petter Selasky return (err); 414213540260SHans Petter Selasky } 414313540260SHans Petter Selasky 414413540260SHans Petter Selasky static void 414513540260SHans Petter Selasky xhci_device_uninit(struct usb_device *udev) 414613540260SHans Petter Selasky { 414713540260SHans Petter Selasky struct xhci_softc *sc = XHCI_BUS2SC(udev->bus); 414813540260SHans Petter Selasky uint8_t index; 414913540260SHans Petter Selasky 415013540260SHans Petter Selasky /* no init for root HUB */ 415113540260SHans Petter Selasky if (udev->parent_hub == NULL) 415213540260SHans Petter Selasky return; 415313540260SHans Petter Selasky 415413540260SHans Petter Selasky XHCI_CMD_LOCK(sc); 415513540260SHans Petter Selasky 415613540260SHans Petter Selasky index = udev->controller_slot_id; 415713540260SHans Petter Selasky 415813540260SHans Petter Selasky if (index <= sc->sc_noslot) { 415913540260SHans Petter Selasky xhci_cmd_disable_slot(sc, index); 416013540260SHans Petter Selasky sc->sc_hw.devs[index].state = XHCI_ST_DISABLED; 416113540260SHans Petter Selasky 416213540260SHans Petter Selasky /* free device extension */ 416313540260SHans Petter Selasky xhci_free_device_ext(udev); 416413540260SHans Petter Selasky } 416513540260SHans Petter Selasky 416613540260SHans Petter Selasky XHCI_CMD_UNLOCK(sc); 416713540260SHans Petter Selasky } 416813540260SHans Petter Selasky 416913540260SHans Petter Selasky static void 417013540260SHans Petter Selasky xhci_get_dma_delay(struct usb_device *udev, uint32_t *pus) 417113540260SHans Petter Selasky { 417213540260SHans Petter Selasky /* 417313540260SHans Petter Selasky * Wait until the hardware has finished any possible use of 417413540260SHans Petter Selasky * the transfer descriptor(s) 417513540260SHans Petter Selasky */ 417613540260SHans Petter Selasky *pus = 2048; /* microseconds */ 417713540260SHans Petter Selasky } 417813540260SHans Petter Selasky 417913540260SHans Petter Selasky static void 418013540260SHans Petter Selasky xhci_device_resume(struct usb_device *udev) 418113540260SHans Petter Selasky { 418213540260SHans Petter Selasky struct xhci_softc *sc = XHCI_BUS2SC(udev->bus); 418313540260SHans Petter Selasky uint8_t index; 418413540260SHans Petter Selasky uint8_t n; 41855e184962SHans Petter Selasky uint8_t p; 418613540260SHans Petter Selasky 418713540260SHans Petter Selasky DPRINTF("\n"); 418813540260SHans Petter Selasky 418913540260SHans Petter Selasky /* check for root HUB */ 419013540260SHans Petter Selasky if (udev->parent_hub == NULL) 419113540260SHans Petter Selasky return; 419213540260SHans Petter Selasky 419313540260SHans Petter Selasky index = udev->controller_slot_id; 419413540260SHans Petter Selasky 419513540260SHans Petter Selasky XHCI_CMD_LOCK(sc); 419613540260SHans Petter Selasky 419713540260SHans Petter Selasky /* blindly resume all endpoints */ 419813540260SHans Petter Selasky 419913540260SHans Petter Selasky USB_BUS_LOCK(udev->bus); 420013540260SHans Petter Selasky 42015e184962SHans Petter Selasky for (n = 1; n != XHCI_MAX_ENDPOINTS; n++) { 42025e184962SHans Petter Selasky for (p = 0; p != XHCI_MAX_STREAMS; p++) { 42035e184962SHans Petter Selasky XWRITE4(sc, door, XHCI_DOORBELL(index), 42045e184962SHans Petter Selasky n | XHCI_DB_SID_SET(p)); 42055e184962SHans Petter Selasky } 42065e184962SHans Petter Selasky } 420713540260SHans Petter Selasky 420813540260SHans Petter Selasky USB_BUS_UNLOCK(udev->bus); 420913540260SHans Petter Selasky 421013540260SHans Petter Selasky XHCI_CMD_UNLOCK(sc); 421113540260SHans Petter Selasky } 421213540260SHans Petter Selasky 421313540260SHans Petter Selasky static void 421413540260SHans Petter Selasky xhci_device_suspend(struct usb_device *udev) 421513540260SHans Petter Selasky { 421613540260SHans Petter Selasky struct xhci_softc *sc = XHCI_BUS2SC(udev->bus); 421713540260SHans Petter Selasky uint8_t index; 421813540260SHans Petter Selasky uint8_t n; 421913540260SHans Petter Selasky usb_error_t err; 422013540260SHans Petter Selasky 422113540260SHans Petter Selasky DPRINTF("\n"); 422213540260SHans Petter Selasky 422313540260SHans Petter Selasky /* check for root HUB */ 422413540260SHans Petter Selasky if (udev->parent_hub == NULL) 422513540260SHans Petter Selasky return; 422613540260SHans Petter Selasky 422713540260SHans Petter Selasky index = udev->controller_slot_id; 422813540260SHans Petter Selasky 422913540260SHans Petter Selasky XHCI_CMD_LOCK(sc); 423013540260SHans Petter Selasky 423113540260SHans Petter Selasky /* blindly suspend all endpoints */ 423213540260SHans Petter Selasky 423313540260SHans Petter Selasky for (n = 1; n != XHCI_MAX_ENDPOINTS; n++) { 423413540260SHans Petter Selasky err = xhci_cmd_stop_ep(sc, 1, n, index); 423513540260SHans Petter Selasky if (err != 0) { 423613540260SHans Petter Selasky DPRINTF("Failed to suspend endpoint " 423713540260SHans Petter Selasky "%u on slot %u (ignored).\n", n, index); 423813540260SHans Petter Selasky } 423913540260SHans Petter Selasky } 424013540260SHans Petter Selasky 424113540260SHans Petter Selasky XHCI_CMD_UNLOCK(sc); 424213540260SHans Petter Selasky } 424313540260SHans Petter Selasky 424413540260SHans Petter Selasky static void 424513540260SHans Petter Selasky xhci_set_hw_power(struct usb_bus *bus) 424613540260SHans Petter Selasky { 424713540260SHans Petter Selasky DPRINTF("\n"); 424813540260SHans Petter Selasky } 424913540260SHans Petter Selasky 425013540260SHans Petter Selasky static void 425113540260SHans Petter Selasky xhci_device_state_change(struct usb_device *udev) 425213540260SHans Petter Selasky { 425313540260SHans Petter Selasky struct xhci_softc *sc = XHCI_BUS2SC(udev->bus); 425413540260SHans Petter Selasky struct usb_page_search buf_inp; 425513540260SHans Petter Selasky usb_error_t err; 425613540260SHans Petter Selasky uint8_t index; 425713540260SHans Petter Selasky 425813540260SHans Petter Selasky /* check for root HUB */ 425913540260SHans Petter Selasky if (udev->parent_hub == NULL) 426013540260SHans Petter Selasky return; 426113540260SHans Petter Selasky 426213540260SHans Petter Selasky index = udev->controller_slot_id; 426313540260SHans Petter Selasky 426413540260SHans Petter Selasky DPRINTF("\n"); 426513540260SHans Petter Selasky 426613540260SHans Petter Selasky if (usb_get_device_state(udev) == USB_STATE_CONFIGURED) { 426713540260SHans Petter Selasky err = uhub_query_info(udev, &sc->sc_hw.devs[index].nports, 426813540260SHans Petter Selasky &sc->sc_hw.devs[index].tt); 426913540260SHans Petter Selasky if (err != 0) 427013540260SHans Petter Selasky sc->sc_hw.devs[index].nports = 0; 427113540260SHans Petter Selasky } 427213540260SHans Petter Selasky 427313540260SHans Petter Selasky XHCI_CMD_LOCK(sc); 427413540260SHans Petter Selasky 427513540260SHans Petter Selasky switch (usb_get_device_state(udev)) { 427613540260SHans Petter Selasky case USB_STATE_POWERED: 427713540260SHans Petter Selasky if (sc->sc_hw.devs[index].state == XHCI_ST_DEFAULT) 427813540260SHans Petter Selasky break; 427913540260SHans Petter Selasky 42805e184962SHans Petter Selasky /* set default state */ 428113540260SHans Petter Selasky sc->sc_hw.devs[index].state = XHCI_ST_DEFAULT; 42827ba6c62fSHans Petter Selasky sc->sc_hw.devs[index].ep_configured = 3U; 428313540260SHans Petter Selasky 42845e184962SHans Petter Selasky /* reset number of contexts */ 42855e184962SHans Petter Selasky sc->sc_hw.devs[index].context_num = 0; 42865e184962SHans Petter Selasky 428713540260SHans Petter Selasky err = xhci_cmd_reset_dev(sc, index); 428813540260SHans Petter Selasky 428913540260SHans Petter Selasky if (err != 0) { 429013540260SHans Petter Selasky DPRINTF("Device reset failed " 429113540260SHans Petter Selasky "for slot %u.\n", index); 429213540260SHans Petter Selasky } 429313540260SHans Petter Selasky break; 429413540260SHans Petter Selasky 429513540260SHans Petter Selasky case USB_STATE_ADDRESSED: 429613540260SHans Petter Selasky if (sc->sc_hw.devs[index].state == XHCI_ST_ADDRESSED) 429713540260SHans Petter Selasky break; 429813540260SHans Petter Selasky 429913540260SHans Petter Selasky sc->sc_hw.devs[index].state = XHCI_ST_ADDRESSED; 43007ba6c62fSHans Petter Selasky sc->sc_hw.devs[index].ep_configured = 3U; 430113540260SHans Petter Selasky 43027816434aSHans Petter Selasky /* set configure mask to slot only */ 43037816434aSHans Petter Selasky xhci_configure_mask(udev, 1, 0); 43047816434aSHans Petter Selasky 43057816434aSHans Petter Selasky /* deconfigure all endpoints, except EP0 */ 430613540260SHans Petter Selasky err = xhci_cmd_configure_ep(sc, 0, 1, index); 430713540260SHans Petter Selasky 430813540260SHans Petter Selasky if (err) { 430913540260SHans Petter Selasky DPRINTF("Failed to deconfigure " 431013540260SHans Petter Selasky "slot %u.\n", index); 431113540260SHans Petter Selasky } 431213540260SHans Petter Selasky break; 431313540260SHans Petter Selasky 431413540260SHans Petter Selasky case USB_STATE_CONFIGURED: 43157ba6c62fSHans Petter Selasky if (sc->sc_hw.devs[index].state == XHCI_ST_CONFIGURED) { 43167ba6c62fSHans Petter Selasky /* deconfigure all endpoints, except EP0 */ 43177ba6c62fSHans Petter Selasky err = xhci_cmd_configure_ep(sc, 0, 1, index); 43187ba6c62fSHans Petter Selasky 43197ba6c62fSHans Petter Selasky if (err) { 43207ba6c62fSHans Petter Selasky DPRINTF("Failed to deconfigure " 43217ba6c62fSHans Petter Selasky "slot %u.\n", index); 43227ba6c62fSHans Petter Selasky } 43237ba6c62fSHans Petter Selasky } 432413540260SHans Petter Selasky 43255e184962SHans Petter Selasky /* set configured state */ 432613540260SHans Petter Selasky sc->sc_hw.devs[index].state = XHCI_ST_CONFIGURED; 43277ba6c62fSHans Petter Selasky sc->sc_hw.devs[index].ep_configured = 3U; 432813540260SHans Petter Selasky 43295e184962SHans Petter Selasky /* reset number of contexts */ 43305e184962SHans Petter Selasky sc->sc_hw.devs[index].context_num = 0; 43315e184962SHans Petter Selasky 433213540260SHans Petter Selasky usbd_get_page(&sc->sc_hw.devs[index].input_pc, 0, &buf_inp); 433313540260SHans Petter Selasky 43345e184962SHans Petter Selasky xhci_configure_mask(udev, 3, 0); 433513540260SHans Petter Selasky 433613540260SHans Petter Selasky err = xhci_configure_device(udev); 433713540260SHans Petter Selasky if (err != 0) { 433813540260SHans Petter Selasky DPRINTF("Could not configure device " 433913540260SHans Petter Selasky "at slot %u.\n", index); 434013540260SHans Petter Selasky } 434113540260SHans Petter Selasky 434213540260SHans Petter Selasky err = xhci_cmd_evaluate_ctx(sc, buf_inp.physaddr, index); 434313540260SHans Petter Selasky if (err != 0) { 434413540260SHans Petter Selasky DPRINTF("Could not evaluate device " 434513540260SHans Petter Selasky "context at slot %u.\n", index); 434613540260SHans Petter Selasky } 434713540260SHans Petter Selasky break; 434813540260SHans Petter Selasky 434913540260SHans Petter Selasky default: 435013540260SHans Petter Selasky break; 435113540260SHans Petter Selasky } 435213540260SHans Petter Selasky XHCI_CMD_UNLOCK(sc); 435313540260SHans Petter Selasky } 435413540260SHans Petter Selasky 4355a5cf1aaaSHans Petter Selasky static usb_error_t 4356a5cf1aaaSHans Petter Selasky xhci_set_endpoint_mode(struct usb_device *udev, struct usb_endpoint *ep, 4357a5cf1aaaSHans Petter Selasky uint8_t ep_mode) 4358a5cf1aaaSHans Petter Selasky { 4359a5cf1aaaSHans Petter Selasky switch (ep_mode) { 4360a5cf1aaaSHans Petter Selasky case USB_EP_MODE_DEFAULT: 4361a5cf1aaaSHans Petter Selasky return (0); 4362a5cf1aaaSHans Petter Selasky case USB_EP_MODE_STREAMS: 4363549c5c87SHans Petter Selasky if (xhcistreams == 0 || 4364549c5c87SHans Petter Selasky (ep->edesc->bmAttributes & UE_XFERTYPE) != UE_BULK || 4365a5cf1aaaSHans Petter Selasky udev->speed != USB_SPEED_SUPER) 4366a5cf1aaaSHans Petter Selasky return (USB_ERR_INVAL); 4367a5cf1aaaSHans Petter Selasky return (0); 4368a5cf1aaaSHans Petter Selasky default: 4369a5cf1aaaSHans Petter Selasky return (USB_ERR_INVAL); 4370a5cf1aaaSHans Petter Selasky } 4371a5cf1aaaSHans Petter Selasky } 4372a5cf1aaaSHans Petter Selasky 4373e892b3feSHans Petter Selasky static const struct usb_bus_methods xhci_bus_methods = { 437413540260SHans Petter Selasky .endpoint_init = xhci_ep_init, 437513540260SHans Petter Selasky .endpoint_uninit = xhci_ep_uninit, 437613540260SHans Petter Selasky .xfer_setup = xhci_xfer_setup, 437713540260SHans Petter Selasky .xfer_unsetup = xhci_xfer_unsetup, 437813540260SHans Petter Selasky .get_dma_delay = xhci_get_dma_delay, 437913540260SHans Petter Selasky .device_init = xhci_device_init, 438013540260SHans Petter Selasky .device_uninit = xhci_device_uninit, 438113540260SHans Petter Selasky .device_resume = xhci_device_resume, 438213540260SHans Petter Selasky .device_suspend = xhci_device_suspend, 438313540260SHans Petter Selasky .set_hw_power = xhci_set_hw_power, 438413540260SHans Petter Selasky .roothub_exec = xhci_roothub_exec, 438513540260SHans Petter Selasky .xfer_poll = xhci_do_poll, 438613540260SHans Petter Selasky .start_dma_delay = xhci_start_dma_delay, 438713540260SHans Petter Selasky .set_address = xhci_set_address, 438813540260SHans Petter Selasky .clear_stall = xhci_ep_clear_stall, 438913540260SHans Petter Selasky .device_state_change = xhci_device_state_change, 4390c2d0465aSHans Petter Selasky .set_hw_power_sleep = xhci_set_hw_power_sleep, 4391a5cf1aaaSHans Petter Selasky .set_endpoint_mode = xhci_set_endpoint_mode, 439213540260SHans Petter Selasky }; 4393