102ac6454SAndrew Thompson #include <sys/cdefs.h> 202ac6454SAndrew Thompson __FBSDID("$FreeBSD$"); 302ac6454SAndrew Thompson 402ac6454SAndrew Thompson /*- 502ac6454SAndrew Thompson * Copyright (c) 2009 Hans Petter Selasky. All rights reserved. 602ac6454SAndrew Thompson * 702ac6454SAndrew Thompson * Redistribution and use in source and binary forms, with or without 802ac6454SAndrew Thompson * modification, are permitted provided that the following conditions 902ac6454SAndrew Thompson * are met: 1002ac6454SAndrew Thompson * 1. Redistributions of source code must retain the above copyright 1102ac6454SAndrew Thompson * notice, this list of conditions and the following disclaimer. 1202ac6454SAndrew Thompson * 2. Redistributions in binary form must reproduce the above copyright 1302ac6454SAndrew Thompson * notice, this list of conditions and the following disclaimer in the 1402ac6454SAndrew Thompson * documentation and/or other materials provided with the distribution. 1502ac6454SAndrew Thompson * 1602ac6454SAndrew Thompson * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 1702ac6454SAndrew Thompson * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 1802ac6454SAndrew Thompson * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 1902ac6454SAndrew Thompson * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 2002ac6454SAndrew Thompson * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 2102ac6454SAndrew Thompson * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 2202ac6454SAndrew Thompson * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 2302ac6454SAndrew Thompson * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 2402ac6454SAndrew Thompson * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 2502ac6454SAndrew Thompson * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 2602ac6454SAndrew Thompson * SUCH DAMAGE. 2702ac6454SAndrew Thompson */ 2802ac6454SAndrew Thompson 2902ac6454SAndrew Thompson /* 30d59dbd0aSAndrew Thompson * This file contains the driver for the ATMEGA series USB OTG 31d59dbd0aSAndrew Thompson * Controller. This driver currently only supports the DCI mode of the 32d59dbd0aSAndrew Thompson * USB hardware. 3302ac6454SAndrew Thompson */ 3402ac6454SAndrew Thompson 3502ac6454SAndrew Thompson /* 3602ac6454SAndrew Thompson * NOTE: When the chip detects BUS-reset it will also reset the 3702ac6454SAndrew Thompson * endpoints, Function-address and more. 3802ac6454SAndrew Thompson */ 3902ac6454SAndrew Thompson 4002ac6454SAndrew Thompson #include <dev/usb/usb.h> 4102ac6454SAndrew Thompson #include <dev/usb/usb_mfunc.h> 4202ac6454SAndrew Thompson #include <dev/usb/usb_error.h> 4302ac6454SAndrew Thompson 4402ac6454SAndrew Thompson #define USB_DEBUG_VAR atmegadci_debug 4502ac6454SAndrew Thompson 4602ac6454SAndrew Thompson #include <dev/usb/usb_core.h> 4702ac6454SAndrew Thompson #include <dev/usb/usb_debug.h> 4802ac6454SAndrew Thompson #include <dev/usb/usb_busdma.h> 4902ac6454SAndrew Thompson #include <dev/usb/usb_process.h> 5002ac6454SAndrew Thompson #include <dev/usb/usb_sw_transfer.h> 5102ac6454SAndrew Thompson #include <dev/usb/usb_transfer.h> 5202ac6454SAndrew Thompson #include <dev/usb/usb_device.h> 5302ac6454SAndrew Thompson #include <dev/usb/usb_hub.h> 5402ac6454SAndrew Thompson #include <dev/usb/usb_util.h> 5502ac6454SAndrew Thompson 5602ac6454SAndrew Thompson #include <dev/usb/usb_controller.h> 5702ac6454SAndrew Thompson #include <dev/usb/usb_bus.h> 5802ac6454SAndrew Thompson #include <dev/usb/controller/atmegadci.h> 5902ac6454SAndrew Thompson 6002ac6454SAndrew Thompson #define ATMEGA_BUS2SC(bus) \ 6102ac6454SAndrew Thompson ((struct atmegadci_softc *)(((uint8_t *)(bus)) - \ 6202ac6454SAndrew Thompson USB_P2U(&(((struct atmegadci_softc *)0)->sc_bus)))) 6302ac6454SAndrew Thompson 6402ac6454SAndrew Thompson #define ATMEGA_PC2SC(pc) \ 65bdc081c6SAndrew Thompson ATMEGA_BUS2SC(USB_DMATAG_TO_XROOT((pc)->tag_parent)->bus) 6602ac6454SAndrew Thompson 6702ac6454SAndrew Thompson #if USB_DEBUG 6802ac6454SAndrew Thompson static int atmegadci_debug = 0; 6902ac6454SAndrew Thompson 7002ac6454SAndrew Thompson SYSCTL_NODE(_hw_usb2, OID_AUTO, atmegadci, CTLFLAG_RW, 0, "USB ATMEGA DCI"); 7102ac6454SAndrew Thompson SYSCTL_INT(_hw_usb2_atmegadci, OID_AUTO, debug, CTLFLAG_RW, 7202ac6454SAndrew Thompson &atmegadci_debug, 0, "ATMEGA DCI debug level"); 7302ac6454SAndrew Thompson #endif 7402ac6454SAndrew Thompson 7502ac6454SAndrew Thompson #define ATMEGA_INTR_ENDPT 1 7602ac6454SAndrew Thompson 7702ac6454SAndrew Thompson /* prototypes */ 7802ac6454SAndrew Thompson 7902ac6454SAndrew Thompson struct usb2_bus_methods atmegadci_bus_methods; 8002ac6454SAndrew Thompson struct usb2_pipe_methods atmegadci_device_bulk_methods; 8102ac6454SAndrew Thompson struct usb2_pipe_methods atmegadci_device_ctrl_methods; 8202ac6454SAndrew Thompson struct usb2_pipe_methods atmegadci_device_intr_methods; 8302ac6454SAndrew Thompson struct usb2_pipe_methods atmegadci_device_isoc_fs_methods; 8402ac6454SAndrew Thompson struct usb2_pipe_methods atmegadci_root_ctrl_methods; 8502ac6454SAndrew Thompson struct usb2_pipe_methods atmegadci_root_intr_methods; 8602ac6454SAndrew Thompson 8702ac6454SAndrew Thompson static atmegadci_cmd_t atmegadci_setup_rx; 8802ac6454SAndrew Thompson static atmegadci_cmd_t atmegadci_data_rx; 8902ac6454SAndrew Thompson static atmegadci_cmd_t atmegadci_data_tx; 9002ac6454SAndrew Thompson static atmegadci_cmd_t atmegadci_data_tx_sync; 9102ac6454SAndrew Thompson static void atmegadci_device_done(struct usb2_xfer *, usb2_error_t); 9202ac6454SAndrew Thompson static void atmegadci_do_poll(struct usb2_bus *); 9302ac6454SAndrew Thompson static void atmegadci_root_ctrl_poll(struct atmegadci_softc *); 9402ac6454SAndrew Thompson static void atmegadci_standard_done(struct usb2_xfer *); 9502ac6454SAndrew Thompson 9602ac6454SAndrew Thompson static usb2_sw_transfer_func_t atmegadci_root_intr_done; 9702ac6454SAndrew Thompson static usb2_sw_transfer_func_t atmegadci_root_ctrl_done; 9802ac6454SAndrew Thompson 9902ac6454SAndrew Thompson /* 10002ac6454SAndrew Thompson * Here is a list of what the chip supports: 10102ac6454SAndrew Thompson */ 10202ac6454SAndrew Thompson static const struct usb2_hw_ep_profile 10302ac6454SAndrew Thompson atmegadci_ep_profile[2] = { 10402ac6454SAndrew Thompson 10502ac6454SAndrew Thompson [0] = { 10602ac6454SAndrew Thompson .max_in_frame_size = 64, 10702ac6454SAndrew Thompson .max_out_frame_size = 64, 10802ac6454SAndrew Thompson .is_simplex = 1, 10902ac6454SAndrew Thompson .support_control = 1, 11002ac6454SAndrew Thompson }, 11102ac6454SAndrew Thompson [1] = { 11202ac6454SAndrew Thompson .max_in_frame_size = 64, 11302ac6454SAndrew Thompson .max_out_frame_size = 64, 11402ac6454SAndrew Thompson .is_simplex = 1, 11502ac6454SAndrew Thompson .support_multi_buffer = 1, 11602ac6454SAndrew Thompson .support_bulk = 1, 11702ac6454SAndrew Thompson .support_interrupt = 1, 11802ac6454SAndrew Thompson .support_isochronous = 1, 11902ac6454SAndrew Thompson .support_in = 1, 12002ac6454SAndrew Thompson .support_out = 1, 12102ac6454SAndrew Thompson }, 12202ac6454SAndrew Thompson }; 12302ac6454SAndrew Thompson 12402ac6454SAndrew Thompson static void 12502ac6454SAndrew Thompson atmegadci_get_hw_ep_profile(struct usb2_device *udev, 12602ac6454SAndrew Thompson const struct usb2_hw_ep_profile **ppf, uint8_t ep_addr) 12702ac6454SAndrew Thompson { 12802ac6454SAndrew Thompson if (ep_addr == 0) 12902ac6454SAndrew Thompson *ppf = atmegadci_ep_profile; 13002ac6454SAndrew Thompson else if (ep_addr < ATMEGA_EP_MAX) 13102ac6454SAndrew Thompson *ppf = atmegadci_ep_profile + 1; 13202ac6454SAndrew Thompson else 13302ac6454SAndrew Thompson *ppf = NULL; 13402ac6454SAndrew Thompson } 13502ac6454SAndrew Thompson 13602ac6454SAndrew Thompson static void 13702ac6454SAndrew Thompson atmegadci_clocks_on(struct atmegadci_softc *sc) 13802ac6454SAndrew Thompson { 13902ac6454SAndrew Thompson if (sc->sc_flags.clocks_off && 14002ac6454SAndrew Thompson sc->sc_flags.port_powered) { 14102ac6454SAndrew Thompson 14202ac6454SAndrew Thompson DPRINTFN(5, "\n"); 14302ac6454SAndrew Thompson 14402ac6454SAndrew Thompson /* turn on clocks */ 14502ac6454SAndrew Thompson (sc->sc_clocks_on) (&sc->sc_bus); 14602ac6454SAndrew Thompson 14702ac6454SAndrew Thompson ATMEGA_WRITE_1(sc, ATMEGA_USBCON, 14802ac6454SAndrew Thompson ATMEGA_USBCON_USBE | 14902ac6454SAndrew Thompson ATMEGA_USBCON_OTGPADE | 15002ac6454SAndrew Thompson ATMEGA_USBCON_VBUSTE); 15102ac6454SAndrew Thompson 15202ac6454SAndrew Thompson sc->sc_flags.clocks_off = 0; 15302ac6454SAndrew Thompson 15402ac6454SAndrew Thompson /* enable transceiver ? */ 15502ac6454SAndrew Thompson } 15602ac6454SAndrew Thompson } 15702ac6454SAndrew Thompson 15802ac6454SAndrew Thompson static void 15902ac6454SAndrew Thompson atmegadci_clocks_off(struct atmegadci_softc *sc) 16002ac6454SAndrew Thompson { 16102ac6454SAndrew Thompson if (!sc->sc_flags.clocks_off) { 16202ac6454SAndrew Thompson 16302ac6454SAndrew Thompson DPRINTFN(5, "\n"); 16402ac6454SAndrew Thompson 16502ac6454SAndrew Thompson /* disable Transceiver ? */ 16602ac6454SAndrew Thompson 16702ac6454SAndrew Thompson ATMEGA_WRITE_1(sc, ATMEGA_USBCON, 16802ac6454SAndrew Thompson ATMEGA_USBCON_USBE | 16902ac6454SAndrew Thompson ATMEGA_USBCON_OTGPADE | 17002ac6454SAndrew Thompson ATMEGA_USBCON_FRZCLK | 17102ac6454SAndrew Thompson ATMEGA_USBCON_VBUSTE); 17202ac6454SAndrew Thompson 17302ac6454SAndrew Thompson /* turn clocks off */ 17402ac6454SAndrew Thompson (sc->sc_clocks_off) (&sc->sc_bus); 17502ac6454SAndrew Thompson 17602ac6454SAndrew Thompson sc->sc_flags.clocks_off = 1; 17702ac6454SAndrew Thompson } 17802ac6454SAndrew Thompson } 17902ac6454SAndrew Thompson 18002ac6454SAndrew Thompson static void 18102ac6454SAndrew Thompson atmegadci_pull_up(struct atmegadci_softc *sc) 18202ac6454SAndrew Thompson { 18302ac6454SAndrew Thompson /* pullup D+, if possible */ 18402ac6454SAndrew Thompson 18502ac6454SAndrew Thompson if (!sc->sc_flags.d_pulled_up && 18602ac6454SAndrew Thompson sc->sc_flags.port_powered) { 18702ac6454SAndrew Thompson sc->sc_flags.d_pulled_up = 1; 18802ac6454SAndrew Thompson ATMEGA_WRITE_1(sc, ATMEGA_UDCON, 0); 18902ac6454SAndrew Thompson } 19002ac6454SAndrew Thompson } 19102ac6454SAndrew Thompson 19202ac6454SAndrew Thompson static void 19302ac6454SAndrew Thompson atmegadci_pull_down(struct atmegadci_softc *sc) 19402ac6454SAndrew Thompson { 19502ac6454SAndrew Thompson /* pulldown D+, if possible */ 19602ac6454SAndrew Thompson 19702ac6454SAndrew Thompson if (sc->sc_flags.d_pulled_up) { 19802ac6454SAndrew Thompson sc->sc_flags.d_pulled_up = 0; 19902ac6454SAndrew Thompson ATMEGA_WRITE_1(sc, ATMEGA_UDCON, ATMEGA_UDCON_DETACH); 20002ac6454SAndrew Thompson } 20102ac6454SAndrew Thompson } 20202ac6454SAndrew Thompson 20302ac6454SAndrew Thompson static void 20402ac6454SAndrew Thompson atmegadci_wakeup_peer(struct usb2_xfer *xfer) 20502ac6454SAndrew Thompson { 20602ac6454SAndrew Thompson struct atmegadci_softc *sc = ATMEGA_BUS2SC(xfer->xroot->bus); 20702ac6454SAndrew Thompson uint8_t temp; 20802ac6454SAndrew Thompson 20902ac6454SAndrew Thompson if (!sc->sc_flags.status_suspend) { 21002ac6454SAndrew Thompson return; 21102ac6454SAndrew Thompson } 21202ac6454SAndrew Thompson 21302ac6454SAndrew Thompson temp = ATMEGA_READ_1(sc, ATMEGA_UDCON); 21402ac6454SAndrew Thompson ATMEGA_WRITE_1(sc, ATMEGA_UDCON, temp | ATMEGA_UDCON_RMWKUP); 21502ac6454SAndrew Thompson 21602ac6454SAndrew Thompson /* wait 8 milliseconds */ 21702ac6454SAndrew Thompson /* Wait for reset to complete. */ 21802ac6454SAndrew Thompson usb2_pause_mtx(&sc->sc_bus.bus_mtx, hz / 125); 21902ac6454SAndrew Thompson 22002ac6454SAndrew Thompson /* hardware should have cleared RMWKUP bit */ 22102ac6454SAndrew Thompson } 22202ac6454SAndrew Thompson 22302ac6454SAndrew Thompson static void 22402ac6454SAndrew Thompson atmegadci_set_address(struct atmegadci_softc *sc, uint8_t addr) 22502ac6454SAndrew Thompson { 22602ac6454SAndrew Thompson DPRINTFN(5, "addr=%d\n", addr); 22702ac6454SAndrew Thompson 22802ac6454SAndrew Thompson addr |= ATMEGA_UDADDR_ADDEN; 22902ac6454SAndrew Thompson 23002ac6454SAndrew Thompson ATMEGA_WRITE_1(sc, ATMEGA_UDADDR, addr); 23102ac6454SAndrew Thompson } 23202ac6454SAndrew Thompson 23302ac6454SAndrew Thompson static uint8_t 23402ac6454SAndrew Thompson atmegadci_setup_rx(struct atmegadci_td *td) 23502ac6454SAndrew Thompson { 23602ac6454SAndrew Thompson struct atmegadci_softc *sc; 23702ac6454SAndrew Thompson struct usb2_device_request req; 23802ac6454SAndrew Thompson uint16_t count; 23902ac6454SAndrew Thompson uint8_t temp; 24002ac6454SAndrew Thompson 24102ac6454SAndrew Thompson /* get pointer to softc */ 24202ac6454SAndrew Thompson sc = ATMEGA_PC2SC(td->pc); 24302ac6454SAndrew Thompson 24402ac6454SAndrew Thompson /* select endpoint number */ 24502ac6454SAndrew Thompson ATMEGA_WRITE_1(sc, ATMEGA_UENUM, td->ep_no); 24602ac6454SAndrew Thompson 24702ac6454SAndrew Thompson /* check endpoint status */ 24802ac6454SAndrew Thompson temp = ATMEGA_READ_1(sc, ATMEGA_UEINTX); 24902ac6454SAndrew Thompson 25002ac6454SAndrew Thompson DPRINTFN(5, "UEINTX=0x%02x\n", temp); 25102ac6454SAndrew Thompson 25202ac6454SAndrew Thompson if (!(temp & ATMEGA_UEINTX_RXSTPI)) { 25302ac6454SAndrew Thompson /* abort any ongoing transfer */ 25402ac6454SAndrew Thompson if (!td->did_stall) { 25502ac6454SAndrew Thompson DPRINTFN(5, "stalling\n"); 25602ac6454SAndrew Thompson ATMEGA_WRITE_1(sc, ATMEGA_UECONX, 25702ac6454SAndrew Thompson ATMEGA_UECONX_EPEN | 25802ac6454SAndrew Thompson ATMEGA_UECONX_STALLRQ); 25902ac6454SAndrew Thompson td->did_stall = 1; 26002ac6454SAndrew Thompson } 26102ac6454SAndrew Thompson goto not_complete; 26202ac6454SAndrew Thompson } 26302ac6454SAndrew Thompson /* get the packet byte count */ 26402ac6454SAndrew Thompson count = 26502ac6454SAndrew Thompson (ATMEGA_READ_1(sc, ATMEGA_UEBCHX) << 8) | 26602ac6454SAndrew Thompson (ATMEGA_READ_1(sc, ATMEGA_UEBCLX)); 26702ac6454SAndrew Thompson 26802ac6454SAndrew Thompson /* mask away undefined bits */ 26902ac6454SAndrew Thompson count &= 0x7FF; 27002ac6454SAndrew Thompson 27102ac6454SAndrew Thompson /* verify data length */ 27202ac6454SAndrew Thompson if (count != td->remainder) { 27302ac6454SAndrew Thompson DPRINTFN(0, "Invalid SETUP packet " 27402ac6454SAndrew Thompson "length, %d bytes\n", count); 27502ac6454SAndrew Thompson goto not_complete; 27602ac6454SAndrew Thompson } 27702ac6454SAndrew Thompson if (count != sizeof(req)) { 27802ac6454SAndrew Thompson DPRINTFN(0, "Unsupported SETUP packet " 27902ac6454SAndrew Thompson "length, %d bytes\n", count); 28002ac6454SAndrew Thompson goto not_complete; 28102ac6454SAndrew Thompson } 28202ac6454SAndrew Thompson /* receive data */ 28302ac6454SAndrew Thompson ATMEGA_READ_MULTI_1(sc, ATMEGA_UEDATX, 28402ac6454SAndrew Thompson (void *)&req, sizeof(req)); 28502ac6454SAndrew Thompson 28602ac6454SAndrew Thompson /* copy data into real buffer */ 28702ac6454SAndrew Thompson usb2_copy_in(td->pc, 0, &req, sizeof(req)); 28802ac6454SAndrew Thompson 28902ac6454SAndrew Thompson td->offset = sizeof(req); 29002ac6454SAndrew Thompson td->remainder = 0; 29102ac6454SAndrew Thompson 29202ac6454SAndrew Thompson /* sneak peek the set address */ 29302ac6454SAndrew Thompson if ((req.bmRequestType == UT_WRITE_DEVICE) && 29402ac6454SAndrew Thompson (req.bRequest == UR_SET_ADDRESS)) { 29502ac6454SAndrew Thompson sc->sc_dv_addr = req.wValue[0] & 0x7F; 296d59dbd0aSAndrew Thompson /* must write address before ZLP */ 297d59dbd0aSAndrew Thompson ATMEGA_WRITE_1(sc, ATMEGA_UDADDR, sc->sc_dv_addr); 29802ac6454SAndrew Thompson } else { 29902ac6454SAndrew Thompson sc->sc_dv_addr = 0xFF; 30002ac6454SAndrew Thompson } 30102ac6454SAndrew Thompson 30202ac6454SAndrew Thompson /* clear SETUP packet interrupt */ 30302ac6454SAndrew Thompson ATMEGA_WRITE_1(sc, ATMEGA_UEINTX, ~ATMEGA_UEINTX_RXSTPI); 30402ac6454SAndrew Thompson return (0); /* complete */ 30502ac6454SAndrew Thompson 30602ac6454SAndrew Thompson not_complete: 30702ac6454SAndrew Thompson /* we only want to know if there is a SETUP packet */ 30802ac6454SAndrew Thompson ATMEGA_WRITE_1(sc, ATMEGA_UEIENX, ATMEGA_UEIENX_RXSTPE); 30902ac6454SAndrew Thompson return (1); /* not complete */ 31002ac6454SAndrew Thompson } 31102ac6454SAndrew Thompson 31202ac6454SAndrew Thompson static uint8_t 31302ac6454SAndrew Thompson atmegadci_data_rx(struct atmegadci_td *td) 31402ac6454SAndrew Thompson { 31502ac6454SAndrew Thompson struct atmegadci_softc *sc; 31602ac6454SAndrew Thompson struct usb2_page_search buf_res; 31702ac6454SAndrew Thompson uint16_t count; 31802ac6454SAndrew Thompson uint8_t temp; 31902ac6454SAndrew Thompson uint8_t to; 32002ac6454SAndrew Thompson uint8_t got_short; 32102ac6454SAndrew Thompson 32202ac6454SAndrew Thompson to = 3; /* don't loop forever! */ 32302ac6454SAndrew Thompson got_short = 0; 32402ac6454SAndrew Thompson 32502ac6454SAndrew Thompson /* get pointer to softc */ 32602ac6454SAndrew Thompson sc = ATMEGA_PC2SC(td->pc); 32702ac6454SAndrew Thompson 32802ac6454SAndrew Thompson /* select endpoint number */ 32902ac6454SAndrew Thompson ATMEGA_WRITE_1(sc, ATMEGA_UENUM, td->ep_no); 33002ac6454SAndrew Thompson 33102ac6454SAndrew Thompson repeat: 33202ac6454SAndrew Thompson /* check if any of the FIFO banks have data */ 33302ac6454SAndrew Thompson /* check endpoint status */ 33402ac6454SAndrew Thompson temp = ATMEGA_READ_1(sc, ATMEGA_UEINTX); 33502ac6454SAndrew Thompson 33602ac6454SAndrew Thompson DPRINTFN(5, "temp=0x%02x rem=%u\n", temp, td->remainder); 33702ac6454SAndrew Thompson 33802ac6454SAndrew Thompson if (temp & ATMEGA_UEINTX_RXSTPI) { 33902ac6454SAndrew Thompson if (td->remainder == 0) { 34002ac6454SAndrew Thompson /* 34102ac6454SAndrew Thompson * We are actually complete and have 34202ac6454SAndrew Thompson * received the next SETUP 34302ac6454SAndrew Thompson */ 34402ac6454SAndrew Thompson DPRINTFN(5, "faking complete\n"); 34502ac6454SAndrew Thompson return (0); /* complete */ 34602ac6454SAndrew Thompson } 34702ac6454SAndrew Thompson /* 34802ac6454SAndrew Thompson * USB Host Aborted the transfer. 34902ac6454SAndrew Thompson */ 35002ac6454SAndrew Thompson td->error = 1; 35102ac6454SAndrew Thompson return (0); /* complete */ 35202ac6454SAndrew Thompson } 35302ac6454SAndrew Thompson /* check status */ 35402ac6454SAndrew Thompson if (!(temp & (ATMEGA_UEINTX_FIFOCON | 35502ac6454SAndrew Thompson ATMEGA_UEINTX_RXOUTI))) { 35602ac6454SAndrew Thompson /* no data */ 35702ac6454SAndrew Thompson goto not_complete; 35802ac6454SAndrew Thompson } 35902ac6454SAndrew Thompson /* get the packet byte count */ 36002ac6454SAndrew Thompson count = 36102ac6454SAndrew Thompson (ATMEGA_READ_1(sc, ATMEGA_UEBCHX) << 8) | 36202ac6454SAndrew Thompson (ATMEGA_READ_1(sc, ATMEGA_UEBCLX)); 36302ac6454SAndrew Thompson 36402ac6454SAndrew Thompson /* mask away undefined bits */ 36502ac6454SAndrew Thompson count &= 0x7FF; 36602ac6454SAndrew Thompson 36702ac6454SAndrew Thompson /* verify the packet byte count */ 36802ac6454SAndrew Thompson if (count != td->max_packet_size) { 36902ac6454SAndrew Thompson if (count < td->max_packet_size) { 37002ac6454SAndrew Thompson /* we have a short packet */ 37102ac6454SAndrew Thompson td->short_pkt = 1; 37202ac6454SAndrew Thompson got_short = 1; 37302ac6454SAndrew Thompson } else { 37402ac6454SAndrew Thompson /* invalid USB packet */ 37502ac6454SAndrew Thompson td->error = 1; 37602ac6454SAndrew Thompson return (0); /* we are complete */ 37702ac6454SAndrew Thompson } 37802ac6454SAndrew Thompson } 37902ac6454SAndrew Thompson /* verify the packet byte count */ 38002ac6454SAndrew Thompson if (count > td->remainder) { 38102ac6454SAndrew Thompson /* invalid USB packet */ 38202ac6454SAndrew Thompson td->error = 1; 38302ac6454SAndrew Thompson return (0); /* we are complete */ 38402ac6454SAndrew Thompson } 38502ac6454SAndrew Thompson while (count > 0) { 38602ac6454SAndrew Thompson usb2_get_page(td->pc, td->offset, &buf_res); 38702ac6454SAndrew Thompson 38802ac6454SAndrew Thompson /* get correct length */ 38902ac6454SAndrew Thompson if (buf_res.length > count) { 39002ac6454SAndrew Thompson buf_res.length = count; 39102ac6454SAndrew Thompson } 39202ac6454SAndrew Thompson /* receive data */ 39302ac6454SAndrew Thompson ATMEGA_READ_MULTI_1(sc, ATMEGA_UEDATX, 39402ac6454SAndrew Thompson buf_res.buffer, buf_res.length); 39502ac6454SAndrew Thompson 39602ac6454SAndrew Thompson /* update counters */ 39702ac6454SAndrew Thompson count -= buf_res.length; 39802ac6454SAndrew Thompson td->offset += buf_res.length; 39902ac6454SAndrew Thompson td->remainder -= buf_res.length; 40002ac6454SAndrew Thompson } 40102ac6454SAndrew Thompson 40202ac6454SAndrew Thompson /* clear OUT packet interrupt */ 40302ac6454SAndrew Thompson ATMEGA_WRITE_1(sc, ATMEGA_UEINTX, ATMEGA_UEINTX_RXOUTI ^ 0xFF); 40402ac6454SAndrew Thompson 40502ac6454SAndrew Thompson /* release FIFO bank */ 40602ac6454SAndrew Thompson ATMEGA_WRITE_1(sc, ATMEGA_UEINTX, ATMEGA_UEINTX_FIFOCON ^ 0xFF); 40702ac6454SAndrew Thompson 40802ac6454SAndrew Thompson /* check if we are complete */ 40902ac6454SAndrew Thompson if ((td->remainder == 0) || got_short) { 41002ac6454SAndrew Thompson if (td->short_pkt) { 41102ac6454SAndrew Thompson /* we are complete */ 41202ac6454SAndrew Thompson return (0); 41302ac6454SAndrew Thompson } 41402ac6454SAndrew Thompson /* else need to receive a zero length packet */ 41502ac6454SAndrew Thompson } 41602ac6454SAndrew Thompson if (--to) { 41702ac6454SAndrew Thompson goto repeat; 41802ac6454SAndrew Thompson } 41902ac6454SAndrew Thompson not_complete: 42002ac6454SAndrew Thompson /* we only want to know if there is a SETUP packet or OUT packet */ 42102ac6454SAndrew Thompson ATMEGA_WRITE_1(sc, ATMEGA_UEIENX, 42202ac6454SAndrew Thompson ATMEGA_UEIENX_RXSTPE | ATMEGA_UEIENX_RXOUTE); 42302ac6454SAndrew Thompson return (1); /* not complete */ 42402ac6454SAndrew Thompson } 42502ac6454SAndrew Thompson 42602ac6454SAndrew Thompson static uint8_t 42702ac6454SAndrew Thompson atmegadci_data_tx(struct atmegadci_td *td) 42802ac6454SAndrew Thompson { 42902ac6454SAndrew Thompson struct atmegadci_softc *sc; 43002ac6454SAndrew Thompson struct usb2_page_search buf_res; 43102ac6454SAndrew Thompson uint16_t count; 43202ac6454SAndrew Thompson uint8_t to; 43302ac6454SAndrew Thompson uint8_t temp; 43402ac6454SAndrew Thompson 43502ac6454SAndrew Thompson to = 3; /* don't loop forever! */ 43602ac6454SAndrew Thompson 43702ac6454SAndrew Thompson /* get pointer to softc */ 43802ac6454SAndrew Thompson sc = ATMEGA_PC2SC(td->pc); 43902ac6454SAndrew Thompson 44002ac6454SAndrew Thompson /* select endpoint number */ 44102ac6454SAndrew Thompson ATMEGA_WRITE_1(sc, ATMEGA_UENUM, td->ep_no); 44202ac6454SAndrew Thompson 44302ac6454SAndrew Thompson repeat: 44402ac6454SAndrew Thompson 44502ac6454SAndrew Thompson /* check endpoint status */ 44602ac6454SAndrew Thompson temp = ATMEGA_READ_1(sc, ATMEGA_UEINTX); 44702ac6454SAndrew Thompson 44802ac6454SAndrew Thompson DPRINTFN(5, "temp=0x%02x rem=%u\n", temp, td->remainder); 44902ac6454SAndrew Thompson 45002ac6454SAndrew Thompson if (temp & ATMEGA_UEINTX_RXSTPI) { 45102ac6454SAndrew Thompson /* 45202ac6454SAndrew Thompson * The current transfer was aborted 45302ac6454SAndrew Thompson * by the USB Host 45402ac6454SAndrew Thompson */ 45502ac6454SAndrew Thompson td->error = 1; 45602ac6454SAndrew Thompson return (0); /* complete */ 45702ac6454SAndrew Thompson } 45802ac6454SAndrew Thompson if (!(temp & (ATMEGA_UEINTX_FIFOCON | 45902ac6454SAndrew Thompson ATMEGA_UEINTX_TXINI))) { 46002ac6454SAndrew Thompson /* cannot write any data */ 46102ac6454SAndrew Thompson goto not_complete; 46202ac6454SAndrew Thompson } 46302ac6454SAndrew Thompson count = td->max_packet_size; 46402ac6454SAndrew Thompson if (td->remainder < count) { 46502ac6454SAndrew Thompson /* we have a short packet */ 46602ac6454SAndrew Thompson td->short_pkt = 1; 46702ac6454SAndrew Thompson count = td->remainder; 46802ac6454SAndrew Thompson } 46902ac6454SAndrew Thompson while (count > 0) { 47002ac6454SAndrew Thompson 47102ac6454SAndrew Thompson usb2_get_page(td->pc, td->offset, &buf_res); 47202ac6454SAndrew Thompson 47302ac6454SAndrew Thompson /* get correct length */ 47402ac6454SAndrew Thompson if (buf_res.length > count) { 47502ac6454SAndrew Thompson buf_res.length = count; 47602ac6454SAndrew Thompson } 47702ac6454SAndrew Thompson /* transmit data */ 47802ac6454SAndrew Thompson ATMEGA_WRITE_MULTI_1(sc, ATMEGA_UEDATX, 47902ac6454SAndrew Thompson buf_res.buffer, buf_res.length); 48002ac6454SAndrew Thompson 48102ac6454SAndrew Thompson /* update counters */ 48202ac6454SAndrew Thompson count -= buf_res.length; 48302ac6454SAndrew Thompson td->offset += buf_res.length; 48402ac6454SAndrew Thompson td->remainder -= buf_res.length; 48502ac6454SAndrew Thompson } 48602ac6454SAndrew Thompson 48702ac6454SAndrew Thompson /* clear IN packet interrupt */ 48802ac6454SAndrew Thompson ATMEGA_WRITE_1(sc, ATMEGA_UEINTX, 0xFF ^ ATMEGA_UEINTX_TXINI); 48902ac6454SAndrew Thompson 49002ac6454SAndrew Thompson /* allocate FIFO bank */ 49102ac6454SAndrew Thompson ATMEGA_WRITE_1(sc, ATMEGA_UEINTX, 0xFF ^ ATMEGA_UEINTX_FIFOCON); 49202ac6454SAndrew Thompson 49302ac6454SAndrew Thompson /* check remainder */ 49402ac6454SAndrew Thompson if (td->remainder == 0) { 49502ac6454SAndrew Thompson if (td->short_pkt) { 49602ac6454SAndrew Thompson return (0); /* complete */ 49702ac6454SAndrew Thompson } 49802ac6454SAndrew Thompson /* else we need to transmit a short packet */ 49902ac6454SAndrew Thompson } 50002ac6454SAndrew Thompson if (--to) { 50102ac6454SAndrew Thompson goto repeat; 50202ac6454SAndrew Thompson } 50302ac6454SAndrew Thompson not_complete: 50402ac6454SAndrew Thompson /* we only want to know if there is a SETUP packet or free IN packet */ 50502ac6454SAndrew Thompson ATMEGA_WRITE_1(sc, ATMEGA_UEIENX, 50602ac6454SAndrew Thompson ATMEGA_UEIENX_RXSTPE | ATMEGA_UEIENX_TXINE); 50702ac6454SAndrew Thompson return (1); /* not complete */ 50802ac6454SAndrew Thompson } 50902ac6454SAndrew Thompson 51002ac6454SAndrew Thompson static uint8_t 51102ac6454SAndrew Thompson atmegadci_data_tx_sync(struct atmegadci_td *td) 51202ac6454SAndrew Thompson { 51302ac6454SAndrew Thompson struct atmegadci_softc *sc; 51402ac6454SAndrew Thompson uint8_t temp; 51502ac6454SAndrew Thompson 51602ac6454SAndrew Thompson /* get pointer to softc */ 51702ac6454SAndrew Thompson sc = ATMEGA_PC2SC(td->pc); 51802ac6454SAndrew Thompson 51902ac6454SAndrew Thompson /* select endpoint number */ 52002ac6454SAndrew Thompson ATMEGA_WRITE_1(sc, ATMEGA_UENUM, td->ep_no); 52102ac6454SAndrew Thompson 52202ac6454SAndrew Thompson /* check endpoint status */ 52302ac6454SAndrew Thompson temp = ATMEGA_READ_1(sc, ATMEGA_UEINTX); 52402ac6454SAndrew Thompson 52502ac6454SAndrew Thompson DPRINTFN(5, "temp=0x%02x\n", temp); 52602ac6454SAndrew Thompson 52702ac6454SAndrew Thompson if (temp & ATMEGA_UEINTX_RXSTPI) { 52802ac6454SAndrew Thompson DPRINTFN(5, "faking complete\n"); 52902ac6454SAndrew Thompson /* Race condition */ 53002ac6454SAndrew Thompson return (0); /* complete */ 53102ac6454SAndrew Thompson } 53202ac6454SAndrew Thompson /* 53302ac6454SAndrew Thompson * The control endpoint has only got one bank, so if that bank 53402ac6454SAndrew Thompson * is free the packet has been transferred! 53502ac6454SAndrew Thompson */ 53602ac6454SAndrew Thompson if (!(temp & (ATMEGA_UEINTX_FIFOCON | 53702ac6454SAndrew Thompson ATMEGA_UEINTX_TXINI))) { 53802ac6454SAndrew Thompson /* cannot write any data */ 53902ac6454SAndrew Thompson goto not_complete; 54002ac6454SAndrew Thompson } 54102ac6454SAndrew Thompson if (sc->sc_dv_addr != 0xFF) { 54202ac6454SAndrew Thompson /* set new address */ 54302ac6454SAndrew Thompson atmegadci_set_address(sc, sc->sc_dv_addr); 54402ac6454SAndrew Thompson } 54502ac6454SAndrew Thompson return (0); /* complete */ 54602ac6454SAndrew Thompson 54702ac6454SAndrew Thompson not_complete: 54802ac6454SAndrew Thompson /* we only want to know if there is a SETUP packet or free IN packet */ 54902ac6454SAndrew Thompson ATMEGA_WRITE_1(sc, ATMEGA_UEIENX, 55002ac6454SAndrew Thompson ATMEGA_UEIENX_RXSTPE | ATMEGA_UEIENX_TXINE); 55102ac6454SAndrew Thompson return (1); /* not complete */ 55202ac6454SAndrew Thompson } 55302ac6454SAndrew Thompson 55402ac6454SAndrew Thompson static uint8_t 55502ac6454SAndrew Thompson atmegadci_xfer_do_fifo(struct usb2_xfer *xfer) 55602ac6454SAndrew Thompson { 55702ac6454SAndrew Thompson struct atmegadci_td *td; 55802ac6454SAndrew Thompson 55902ac6454SAndrew Thompson DPRINTFN(9, "\n"); 56002ac6454SAndrew Thompson 56102ac6454SAndrew Thompson td = xfer->td_transfer_cache; 56202ac6454SAndrew Thompson while (1) { 56302ac6454SAndrew Thompson if ((td->func) (td)) { 56402ac6454SAndrew Thompson /* operation in progress */ 56502ac6454SAndrew Thompson break; 56602ac6454SAndrew Thompson } 56702ac6454SAndrew Thompson if (((void *)td) == xfer->td_transfer_last) { 56802ac6454SAndrew Thompson goto done; 56902ac6454SAndrew Thompson } 57002ac6454SAndrew Thompson if (td->error) { 57102ac6454SAndrew Thompson goto done; 57202ac6454SAndrew Thompson } else if (td->remainder > 0) { 57302ac6454SAndrew Thompson /* 57402ac6454SAndrew Thompson * We had a short transfer. If there is no alternate 57502ac6454SAndrew Thompson * next, stop processing ! 57602ac6454SAndrew Thompson */ 57702ac6454SAndrew Thompson if (!td->alt_next) { 57802ac6454SAndrew Thompson goto done; 57902ac6454SAndrew Thompson } 58002ac6454SAndrew Thompson } 58102ac6454SAndrew Thompson /* 58202ac6454SAndrew Thompson * Fetch the next transfer descriptor and transfer 58302ac6454SAndrew Thompson * some flags to the next transfer descriptor 58402ac6454SAndrew Thompson */ 58502ac6454SAndrew Thompson td = td->obj_next; 58602ac6454SAndrew Thompson xfer->td_transfer_cache = td; 58702ac6454SAndrew Thompson } 58802ac6454SAndrew Thompson return (1); /* not complete */ 58902ac6454SAndrew Thompson 59002ac6454SAndrew Thompson done: 59102ac6454SAndrew Thompson /* compute all actual lengths */ 59202ac6454SAndrew Thompson 59302ac6454SAndrew Thompson atmegadci_standard_done(xfer); 59402ac6454SAndrew Thompson return (0); /* complete */ 59502ac6454SAndrew Thompson } 59602ac6454SAndrew Thompson 59702ac6454SAndrew Thompson static void 59802ac6454SAndrew Thompson atmegadci_interrupt_poll(struct atmegadci_softc *sc) 59902ac6454SAndrew Thompson { 60002ac6454SAndrew Thompson struct usb2_xfer *xfer; 60102ac6454SAndrew Thompson 60202ac6454SAndrew Thompson repeat: 60302ac6454SAndrew Thompson TAILQ_FOREACH(xfer, &sc->sc_bus.intr_q.head, wait_entry) { 60402ac6454SAndrew Thompson if (!atmegadci_xfer_do_fifo(xfer)) { 60502ac6454SAndrew Thompson /* queue has been modified */ 60602ac6454SAndrew Thompson goto repeat; 60702ac6454SAndrew Thompson } 60802ac6454SAndrew Thompson } 60902ac6454SAndrew Thompson } 61002ac6454SAndrew Thompson 61102ac6454SAndrew Thompson static void 61202ac6454SAndrew Thompson atmegadci_vbus_interrupt(struct atmegadci_softc *sc, uint8_t is_on) 61302ac6454SAndrew Thompson { 61402ac6454SAndrew Thompson DPRINTFN(5, "vbus = %u\n", is_on); 61502ac6454SAndrew Thompson 61602ac6454SAndrew Thompson if (is_on) { 61702ac6454SAndrew Thompson if (!sc->sc_flags.status_vbus) { 61802ac6454SAndrew Thompson sc->sc_flags.status_vbus = 1; 61902ac6454SAndrew Thompson 62002ac6454SAndrew Thompson /* complete root HUB interrupt endpoint */ 62102ac6454SAndrew Thompson 62202ac6454SAndrew Thompson usb2_sw_transfer(&sc->sc_root_intr, 62302ac6454SAndrew Thompson &atmegadci_root_intr_done); 62402ac6454SAndrew Thompson } 62502ac6454SAndrew Thompson } else { 62602ac6454SAndrew Thompson if (sc->sc_flags.status_vbus) { 62702ac6454SAndrew Thompson sc->sc_flags.status_vbus = 0; 62802ac6454SAndrew Thompson sc->sc_flags.status_bus_reset = 0; 62902ac6454SAndrew Thompson sc->sc_flags.status_suspend = 0; 63002ac6454SAndrew Thompson sc->sc_flags.change_suspend = 0; 63102ac6454SAndrew Thompson sc->sc_flags.change_connect = 1; 63202ac6454SAndrew Thompson 63302ac6454SAndrew Thompson /* complete root HUB interrupt endpoint */ 63402ac6454SAndrew Thompson 63502ac6454SAndrew Thompson usb2_sw_transfer(&sc->sc_root_intr, 63602ac6454SAndrew Thompson &atmegadci_root_intr_done); 63702ac6454SAndrew Thompson } 63802ac6454SAndrew Thompson } 63902ac6454SAndrew Thompson } 64002ac6454SAndrew Thompson 64102ac6454SAndrew Thompson void 64202ac6454SAndrew Thompson atmegadci_interrupt(struct atmegadci_softc *sc) 64302ac6454SAndrew Thompson { 64402ac6454SAndrew Thompson uint8_t status; 64502ac6454SAndrew Thompson 64602ac6454SAndrew Thompson USB_BUS_LOCK(&sc->sc_bus); 64702ac6454SAndrew Thompson 64802ac6454SAndrew Thompson /* read interrupt status */ 64902ac6454SAndrew Thompson status = ATMEGA_READ_1(sc, ATMEGA_UDINT); 65002ac6454SAndrew Thompson 65102ac6454SAndrew Thompson /* clear all set interrupts */ 65202ac6454SAndrew Thompson ATMEGA_WRITE_1(sc, ATMEGA_UDINT, ~status); 65302ac6454SAndrew Thompson 654d59dbd0aSAndrew Thompson DPRINTFN(14, "UDINT=0x%02x\n", status); 655d59dbd0aSAndrew Thompson 65602ac6454SAndrew Thompson /* check for any bus state change interrupts */ 65702ac6454SAndrew Thompson if (status & ATMEGA_UDINT_EORSTI) { 65802ac6454SAndrew Thompson 65902ac6454SAndrew Thompson DPRINTFN(5, "end of reset\n"); 66002ac6454SAndrew Thompson 66102ac6454SAndrew Thompson /* set correct state */ 66202ac6454SAndrew Thompson sc->sc_flags.status_bus_reset = 1; 66302ac6454SAndrew Thompson sc->sc_flags.status_suspend = 0; 66402ac6454SAndrew Thompson sc->sc_flags.change_suspend = 0; 66502ac6454SAndrew Thompson sc->sc_flags.change_connect = 1; 66602ac6454SAndrew Thompson 66702ac6454SAndrew Thompson /* disable resume interrupt */ 66802ac6454SAndrew Thompson ATMEGA_WRITE_1(sc, ATMEGA_UDIEN, 66902ac6454SAndrew Thompson ATMEGA_UDINT_SUSPE | 67002ac6454SAndrew Thompson ATMEGA_UDINT_EORSTE); 67102ac6454SAndrew Thompson 67202ac6454SAndrew Thompson /* complete root HUB interrupt endpoint */ 67302ac6454SAndrew Thompson usb2_sw_transfer(&sc->sc_root_intr, 67402ac6454SAndrew Thompson &atmegadci_root_intr_done); 67502ac6454SAndrew Thompson } 67602ac6454SAndrew Thompson /* 67702ac6454SAndrew Thompson * If resume and suspend is set at the same time we interpret 67802ac6454SAndrew Thompson * that like RESUME. Resume is set when there is at least 3 67902ac6454SAndrew Thompson * milliseconds of inactivity on the USB BUS. 68002ac6454SAndrew Thompson */ 68102ac6454SAndrew Thompson if (status & ATMEGA_UDINT_EORSMI) { 68202ac6454SAndrew Thompson 68302ac6454SAndrew Thompson DPRINTFN(5, "resume interrupt\n"); 68402ac6454SAndrew Thompson 68502ac6454SAndrew Thompson if (sc->sc_flags.status_suspend) { 68602ac6454SAndrew Thompson /* update status bits */ 68702ac6454SAndrew Thompson sc->sc_flags.status_suspend = 0; 68802ac6454SAndrew Thompson sc->sc_flags.change_suspend = 1; 68902ac6454SAndrew Thompson 69002ac6454SAndrew Thompson /* disable resume interrupt */ 69102ac6454SAndrew Thompson ATMEGA_WRITE_1(sc, ATMEGA_UDIEN, 69202ac6454SAndrew Thompson ATMEGA_UDINT_SUSPE | 69302ac6454SAndrew Thompson ATMEGA_UDINT_EORSTE); 69402ac6454SAndrew Thompson 69502ac6454SAndrew Thompson /* complete root HUB interrupt endpoint */ 69602ac6454SAndrew Thompson usb2_sw_transfer(&sc->sc_root_intr, 69702ac6454SAndrew Thompson &atmegadci_root_intr_done); 69802ac6454SAndrew Thompson } 69902ac6454SAndrew Thompson } else if (status & ATMEGA_UDINT_SUSPI) { 70002ac6454SAndrew Thompson 70102ac6454SAndrew Thompson DPRINTFN(5, "suspend interrupt\n"); 70202ac6454SAndrew Thompson 70302ac6454SAndrew Thompson if (!sc->sc_flags.status_suspend) { 70402ac6454SAndrew Thompson /* update status bits */ 70502ac6454SAndrew Thompson sc->sc_flags.status_suspend = 1; 70602ac6454SAndrew Thompson sc->sc_flags.change_suspend = 1; 70702ac6454SAndrew Thompson 70802ac6454SAndrew Thompson /* disable suspend interrupt */ 70902ac6454SAndrew Thompson ATMEGA_WRITE_1(sc, ATMEGA_UDIEN, 71002ac6454SAndrew Thompson ATMEGA_UDINT_EORSMI | 71102ac6454SAndrew Thompson ATMEGA_UDINT_EORSTE); 71202ac6454SAndrew Thompson 71302ac6454SAndrew Thompson /* complete root HUB interrupt endpoint */ 71402ac6454SAndrew Thompson usb2_sw_transfer(&sc->sc_root_intr, 71502ac6454SAndrew Thompson &atmegadci_root_intr_done); 71602ac6454SAndrew Thompson } 71702ac6454SAndrew Thompson } 71802ac6454SAndrew Thompson /* check VBUS */ 71902ac6454SAndrew Thompson status = ATMEGA_READ_1(sc, ATMEGA_USBINT); 72002ac6454SAndrew Thompson 72102ac6454SAndrew Thompson /* clear all set interrupts */ 72202ac6454SAndrew Thompson ATMEGA_WRITE_1(sc, ATMEGA_USBINT, ~status); 72302ac6454SAndrew Thompson 72402ac6454SAndrew Thompson if (status & ATMEGA_USBINT_VBUSTI) { 72502ac6454SAndrew Thompson uint8_t temp; 72602ac6454SAndrew Thompson 727d59dbd0aSAndrew Thompson DPRINTFN(5, "USBINT=0x%02x\n", status); 728d59dbd0aSAndrew Thompson 72902ac6454SAndrew Thompson temp = ATMEGA_READ_1(sc, ATMEGA_USBSTA); 73002ac6454SAndrew Thompson atmegadci_vbus_interrupt(sc, temp & ATMEGA_USBSTA_VBUS); 73102ac6454SAndrew Thompson } 73202ac6454SAndrew Thompson /* check for any endpoint interrupts */ 73302ac6454SAndrew Thompson status = ATMEGA_READ_1(sc, ATMEGA_UEINT); 73402ac6454SAndrew Thompson 73502ac6454SAndrew Thompson /* clear all set interrupts */ 73602ac6454SAndrew Thompson ATMEGA_WRITE_1(sc, ATMEGA_UEINT, ~status); 73702ac6454SAndrew Thompson 73802ac6454SAndrew Thompson if (status) { 73902ac6454SAndrew Thompson 740d59dbd0aSAndrew Thompson DPRINTFN(5, "real endpoint interrupt UEINT=0x%02x\n", status); 74102ac6454SAndrew Thompson 74202ac6454SAndrew Thompson atmegadci_interrupt_poll(sc); 74302ac6454SAndrew Thompson } 74402ac6454SAndrew Thompson USB_BUS_UNLOCK(&sc->sc_bus); 74502ac6454SAndrew Thompson } 74602ac6454SAndrew Thompson 74702ac6454SAndrew Thompson static void 74802ac6454SAndrew Thompson atmegadci_setup_standard_chain_sub(struct atmegadci_std_temp *temp) 74902ac6454SAndrew Thompson { 75002ac6454SAndrew Thompson struct atmegadci_td *td; 75102ac6454SAndrew Thompson 75202ac6454SAndrew Thompson /* get current Transfer Descriptor */ 75302ac6454SAndrew Thompson td = temp->td_next; 75402ac6454SAndrew Thompson temp->td = td; 75502ac6454SAndrew Thompson 75602ac6454SAndrew Thompson /* prepare for next TD */ 75702ac6454SAndrew Thompson temp->td_next = td->obj_next; 75802ac6454SAndrew Thompson 75902ac6454SAndrew Thompson /* fill out the Transfer Descriptor */ 76002ac6454SAndrew Thompson td->func = temp->func; 76102ac6454SAndrew Thompson td->pc = temp->pc; 76202ac6454SAndrew Thompson td->offset = temp->offset; 76302ac6454SAndrew Thompson td->remainder = temp->len; 76402ac6454SAndrew Thompson td->error = 0; 76502ac6454SAndrew Thompson td->did_stall = 0; 76602ac6454SAndrew Thompson td->short_pkt = temp->short_pkt; 76702ac6454SAndrew Thompson td->alt_next = temp->setup_alt_next; 76802ac6454SAndrew Thompson } 76902ac6454SAndrew Thompson 77002ac6454SAndrew Thompson static void 77102ac6454SAndrew Thompson atmegadci_setup_standard_chain(struct usb2_xfer *xfer) 77202ac6454SAndrew Thompson { 77302ac6454SAndrew Thompson struct atmegadci_std_temp temp; 77402ac6454SAndrew Thompson struct atmegadci_softc *sc; 77502ac6454SAndrew Thompson struct atmegadci_td *td; 77602ac6454SAndrew Thompson uint32_t x; 77702ac6454SAndrew Thompson uint8_t ep_no; 77802ac6454SAndrew Thompson uint8_t need_sync; 77902ac6454SAndrew Thompson 78002ac6454SAndrew Thompson DPRINTFN(9, "addr=%d endpt=%d sumlen=%d speed=%d\n", 78102ac6454SAndrew Thompson xfer->address, UE_GET_ADDR(xfer->endpoint), 78202ac6454SAndrew Thompson xfer->sumlen, usb2_get_speed(xfer->xroot->udev)); 78302ac6454SAndrew Thompson 78402ac6454SAndrew Thompson temp.max_frame_size = xfer->max_frame_size; 78502ac6454SAndrew Thompson 78602ac6454SAndrew Thompson td = xfer->td_start[0]; 78702ac6454SAndrew Thompson xfer->td_transfer_first = td; 78802ac6454SAndrew Thompson xfer->td_transfer_cache = td; 78902ac6454SAndrew Thompson 79002ac6454SAndrew Thompson /* setup temp */ 79102ac6454SAndrew Thompson 79202ac6454SAndrew Thompson temp.td = NULL; 79302ac6454SAndrew Thompson temp.td_next = xfer->td_start[0]; 79402ac6454SAndrew Thompson temp.setup_alt_next = xfer->flags_int.short_frames_ok; 79502ac6454SAndrew Thompson temp.offset = 0; 79602ac6454SAndrew Thompson 79702ac6454SAndrew Thompson sc = ATMEGA_BUS2SC(xfer->xroot->bus); 79802ac6454SAndrew Thompson ep_no = (xfer->endpoint & UE_ADDR); 79902ac6454SAndrew Thompson 80002ac6454SAndrew Thompson /* check if we should prepend a setup message */ 80102ac6454SAndrew Thompson 80202ac6454SAndrew Thompson if (xfer->flags_int.control_xfr) { 80302ac6454SAndrew Thompson if (xfer->flags_int.control_hdr) { 80402ac6454SAndrew Thompson 80502ac6454SAndrew Thompson temp.func = &atmegadci_setup_rx; 80602ac6454SAndrew Thompson temp.len = xfer->frlengths[0]; 80702ac6454SAndrew Thompson temp.pc = xfer->frbuffers + 0; 80802ac6454SAndrew Thompson temp.short_pkt = temp.len ? 1 : 0; 80902ac6454SAndrew Thompson 81002ac6454SAndrew Thompson atmegadci_setup_standard_chain_sub(&temp); 81102ac6454SAndrew Thompson } 81202ac6454SAndrew Thompson x = 1; 81302ac6454SAndrew Thompson } else { 81402ac6454SAndrew Thompson x = 0; 81502ac6454SAndrew Thompson } 81602ac6454SAndrew Thompson 81702ac6454SAndrew Thompson if (x != xfer->nframes) { 81802ac6454SAndrew Thompson if (xfer->endpoint & UE_DIR_IN) { 81902ac6454SAndrew Thompson temp.func = &atmegadci_data_tx; 82002ac6454SAndrew Thompson need_sync = 1; 82102ac6454SAndrew Thompson } else { 82202ac6454SAndrew Thompson temp.func = &atmegadci_data_rx; 82302ac6454SAndrew Thompson need_sync = 0; 82402ac6454SAndrew Thompson } 82502ac6454SAndrew Thompson 82602ac6454SAndrew Thompson /* setup "pc" pointer */ 82702ac6454SAndrew Thompson temp.pc = xfer->frbuffers + x; 82802ac6454SAndrew Thompson } else { 82902ac6454SAndrew Thompson need_sync = 0; 83002ac6454SAndrew Thompson } 83102ac6454SAndrew Thompson while (x != xfer->nframes) { 83202ac6454SAndrew Thompson 83302ac6454SAndrew Thompson /* DATA0 / DATA1 message */ 83402ac6454SAndrew Thompson 83502ac6454SAndrew Thompson temp.len = xfer->frlengths[x]; 83602ac6454SAndrew Thompson 83702ac6454SAndrew Thompson x++; 83802ac6454SAndrew Thompson 83902ac6454SAndrew Thompson if (x == xfer->nframes) { 84002ac6454SAndrew Thompson temp.setup_alt_next = 0; 84102ac6454SAndrew Thompson } 84202ac6454SAndrew Thompson if (temp.len == 0) { 84302ac6454SAndrew Thompson 84402ac6454SAndrew Thompson /* make sure that we send an USB packet */ 84502ac6454SAndrew Thompson 84602ac6454SAndrew Thompson temp.short_pkt = 0; 84702ac6454SAndrew Thompson 84802ac6454SAndrew Thompson } else { 84902ac6454SAndrew Thompson 85002ac6454SAndrew Thompson /* regular data transfer */ 85102ac6454SAndrew Thompson 85202ac6454SAndrew Thompson temp.short_pkt = (xfer->flags.force_short_xfer) ? 0 : 1; 85302ac6454SAndrew Thompson } 85402ac6454SAndrew Thompson 85502ac6454SAndrew Thompson atmegadci_setup_standard_chain_sub(&temp); 85602ac6454SAndrew Thompson 85702ac6454SAndrew Thompson if (xfer->flags_int.isochronous_xfr) { 85802ac6454SAndrew Thompson temp.offset += temp.len; 85902ac6454SAndrew Thompson } else { 86002ac6454SAndrew Thompson /* get next Page Cache pointer */ 86102ac6454SAndrew Thompson temp.pc = xfer->frbuffers + x; 86202ac6454SAndrew Thompson } 86302ac6454SAndrew Thompson } 86402ac6454SAndrew Thompson 86502ac6454SAndrew Thompson /* always setup a valid "pc" pointer for status and sync */ 86602ac6454SAndrew Thompson temp.pc = xfer->frbuffers + 0; 86702ac6454SAndrew Thompson 86802ac6454SAndrew Thompson /* check if we need to sync */ 86902ac6454SAndrew Thompson if (need_sync && xfer->flags_int.control_xfr) { 87002ac6454SAndrew Thompson 87102ac6454SAndrew Thompson /* we need a SYNC point after TX */ 87202ac6454SAndrew Thompson temp.func = &atmegadci_data_tx_sync; 87302ac6454SAndrew Thompson temp.len = 0; 87402ac6454SAndrew Thompson temp.short_pkt = 0; 87502ac6454SAndrew Thompson 87602ac6454SAndrew Thompson atmegadci_setup_standard_chain_sub(&temp); 87702ac6454SAndrew Thompson } 87802ac6454SAndrew Thompson /* check if we should append a status stage */ 87902ac6454SAndrew Thompson if (xfer->flags_int.control_xfr && 88002ac6454SAndrew Thompson !xfer->flags_int.control_act) { 88102ac6454SAndrew Thompson 88202ac6454SAndrew Thompson /* 88302ac6454SAndrew Thompson * Send a DATA1 message and invert the current 88402ac6454SAndrew Thompson * endpoint direction. 88502ac6454SAndrew Thompson */ 88602ac6454SAndrew Thompson if (xfer->endpoint & UE_DIR_IN) { 88702ac6454SAndrew Thompson temp.func = &atmegadci_data_rx; 88802ac6454SAndrew Thompson need_sync = 0; 88902ac6454SAndrew Thompson } else { 89002ac6454SAndrew Thompson temp.func = &atmegadci_data_tx; 89102ac6454SAndrew Thompson need_sync = 1; 89202ac6454SAndrew Thompson } 89302ac6454SAndrew Thompson temp.len = 0; 89402ac6454SAndrew Thompson temp.short_pkt = 0; 89502ac6454SAndrew Thompson 89602ac6454SAndrew Thompson atmegadci_setup_standard_chain_sub(&temp); 89702ac6454SAndrew Thompson if (need_sync) { 89802ac6454SAndrew Thompson /* we need a SYNC point after TX */ 89902ac6454SAndrew Thompson temp.func = &atmegadci_data_tx_sync; 90002ac6454SAndrew Thompson temp.len = 0; 90102ac6454SAndrew Thompson temp.short_pkt = 0; 90202ac6454SAndrew Thompson 90302ac6454SAndrew Thompson atmegadci_setup_standard_chain_sub(&temp); 90402ac6454SAndrew Thompson } 90502ac6454SAndrew Thompson } 90602ac6454SAndrew Thompson /* must have at least one frame! */ 90702ac6454SAndrew Thompson td = temp.td; 90802ac6454SAndrew Thompson xfer->td_transfer_last = td; 90902ac6454SAndrew Thompson } 91002ac6454SAndrew Thompson 91102ac6454SAndrew Thompson static void 91202ac6454SAndrew Thompson atmegadci_timeout(void *arg) 91302ac6454SAndrew Thompson { 91402ac6454SAndrew Thompson struct usb2_xfer *xfer = arg; 91502ac6454SAndrew Thompson 91602ac6454SAndrew Thompson DPRINTF("xfer=%p\n", xfer); 91702ac6454SAndrew Thompson 91802ac6454SAndrew Thompson USB_BUS_LOCK_ASSERT(xfer->xroot->bus, MA_OWNED); 91902ac6454SAndrew Thompson 92002ac6454SAndrew Thompson /* transfer is transferred */ 92102ac6454SAndrew Thompson atmegadci_device_done(xfer, USB_ERR_TIMEOUT); 92202ac6454SAndrew Thompson } 92302ac6454SAndrew Thompson 92402ac6454SAndrew Thompson static void 92502ac6454SAndrew Thompson atmegadci_start_standard_chain(struct usb2_xfer *xfer) 92602ac6454SAndrew Thompson { 92702ac6454SAndrew Thompson DPRINTFN(9, "\n"); 92802ac6454SAndrew Thompson 92902ac6454SAndrew Thompson /* poll one time - will turn on interrupts */ 93002ac6454SAndrew Thompson if (atmegadci_xfer_do_fifo(xfer)) { 93102ac6454SAndrew Thompson 93202ac6454SAndrew Thompson /* put transfer on interrupt queue */ 93302ac6454SAndrew Thompson usb2_transfer_enqueue(&xfer->xroot->bus->intr_q, xfer); 93402ac6454SAndrew Thompson 93502ac6454SAndrew Thompson /* start timeout, if any */ 93602ac6454SAndrew Thompson if (xfer->timeout != 0) { 93702ac6454SAndrew Thompson usb2_transfer_timeout_ms(xfer, 93802ac6454SAndrew Thompson &atmegadci_timeout, xfer->timeout); 93902ac6454SAndrew Thompson } 94002ac6454SAndrew Thompson } 94102ac6454SAndrew Thompson } 94202ac6454SAndrew Thompson 94302ac6454SAndrew Thompson static void 94402ac6454SAndrew Thompson atmegadci_root_intr_done(struct usb2_xfer *xfer, 94502ac6454SAndrew Thompson struct usb2_sw_transfer *std) 94602ac6454SAndrew Thompson { 94702ac6454SAndrew Thompson struct atmegadci_softc *sc = ATMEGA_BUS2SC(xfer->xroot->bus); 94802ac6454SAndrew Thompson 94902ac6454SAndrew Thompson DPRINTFN(9, "\n"); 95002ac6454SAndrew Thompson 95102ac6454SAndrew Thompson USB_BUS_LOCK_ASSERT(&sc->sc_bus, MA_OWNED); 95202ac6454SAndrew Thompson 95302ac6454SAndrew Thompson if (std->state != USB_SW_TR_PRE_DATA) { 95402ac6454SAndrew Thompson if (std->state == USB_SW_TR_PRE_CALLBACK) { 95502ac6454SAndrew Thompson /* transfer transferred */ 95602ac6454SAndrew Thompson atmegadci_device_done(xfer, std->err); 95702ac6454SAndrew Thompson } 95802ac6454SAndrew Thompson goto done; 95902ac6454SAndrew Thompson } 96002ac6454SAndrew Thompson /* setup buffer */ 96102ac6454SAndrew Thompson std->ptr = sc->sc_hub_idata; 96202ac6454SAndrew Thompson std->len = sizeof(sc->sc_hub_idata); 96302ac6454SAndrew Thompson 96402ac6454SAndrew Thompson /* set port bit */ 96502ac6454SAndrew Thompson sc->sc_hub_idata[0] = 0x02; /* we only have one port */ 96602ac6454SAndrew Thompson 96702ac6454SAndrew Thompson done: 96802ac6454SAndrew Thompson return; 96902ac6454SAndrew Thompson } 97002ac6454SAndrew Thompson 97102ac6454SAndrew Thompson static usb2_error_t 97202ac6454SAndrew Thompson atmegadci_standard_done_sub(struct usb2_xfer *xfer) 97302ac6454SAndrew Thompson { 97402ac6454SAndrew Thompson struct atmegadci_td *td; 97502ac6454SAndrew Thompson uint32_t len; 97602ac6454SAndrew Thompson uint8_t error; 97702ac6454SAndrew Thompson 97802ac6454SAndrew Thompson DPRINTFN(9, "\n"); 97902ac6454SAndrew Thompson 98002ac6454SAndrew Thompson td = xfer->td_transfer_cache; 98102ac6454SAndrew Thompson 98202ac6454SAndrew Thompson do { 98302ac6454SAndrew Thompson len = td->remainder; 98402ac6454SAndrew Thompson 98502ac6454SAndrew Thompson if (xfer->aframes != xfer->nframes) { 98602ac6454SAndrew Thompson /* 98702ac6454SAndrew Thompson * Verify the length and subtract 98802ac6454SAndrew Thompson * the remainder from "frlengths[]": 98902ac6454SAndrew Thompson */ 99002ac6454SAndrew Thompson if (len > xfer->frlengths[xfer->aframes]) { 99102ac6454SAndrew Thompson td->error = 1; 99202ac6454SAndrew Thompson } else { 99302ac6454SAndrew Thompson xfer->frlengths[xfer->aframes] -= len; 99402ac6454SAndrew Thompson } 99502ac6454SAndrew Thompson } 99602ac6454SAndrew Thompson /* Check for transfer error */ 99702ac6454SAndrew Thompson if (td->error) { 99802ac6454SAndrew Thompson /* the transfer is finished */ 99902ac6454SAndrew Thompson error = 1; 100002ac6454SAndrew Thompson td = NULL; 100102ac6454SAndrew Thompson break; 100202ac6454SAndrew Thompson } 100302ac6454SAndrew Thompson /* Check for short transfer */ 100402ac6454SAndrew Thompson if (len > 0) { 100502ac6454SAndrew Thompson if (xfer->flags_int.short_frames_ok) { 100602ac6454SAndrew Thompson /* follow alt next */ 100702ac6454SAndrew Thompson if (td->alt_next) { 100802ac6454SAndrew Thompson td = td->obj_next; 100902ac6454SAndrew Thompson } else { 101002ac6454SAndrew Thompson td = NULL; 101102ac6454SAndrew Thompson } 101202ac6454SAndrew Thompson } else { 101302ac6454SAndrew Thompson /* the transfer is finished */ 101402ac6454SAndrew Thompson td = NULL; 101502ac6454SAndrew Thompson } 101602ac6454SAndrew Thompson error = 0; 101702ac6454SAndrew Thompson break; 101802ac6454SAndrew Thompson } 101902ac6454SAndrew Thompson td = td->obj_next; 102002ac6454SAndrew Thompson 102102ac6454SAndrew Thompson /* this USB frame is complete */ 102202ac6454SAndrew Thompson error = 0; 102302ac6454SAndrew Thompson break; 102402ac6454SAndrew Thompson 102502ac6454SAndrew Thompson } while (0); 102602ac6454SAndrew Thompson 102702ac6454SAndrew Thompson /* update transfer cache */ 102802ac6454SAndrew Thompson 102902ac6454SAndrew Thompson xfer->td_transfer_cache = td; 103002ac6454SAndrew Thompson 103102ac6454SAndrew Thompson return (error ? 103202ac6454SAndrew Thompson USB_ERR_STALLED : USB_ERR_NORMAL_COMPLETION); 103302ac6454SAndrew Thompson } 103402ac6454SAndrew Thompson 103502ac6454SAndrew Thompson static void 103602ac6454SAndrew Thompson atmegadci_standard_done(struct usb2_xfer *xfer) 103702ac6454SAndrew Thompson { 103802ac6454SAndrew Thompson usb2_error_t err = 0; 103902ac6454SAndrew Thompson 104002ac6454SAndrew Thompson DPRINTFN(13, "xfer=%p pipe=%p transfer done\n", 104102ac6454SAndrew Thompson xfer, xfer->pipe); 104202ac6454SAndrew Thompson 104302ac6454SAndrew Thompson /* reset scanner */ 104402ac6454SAndrew Thompson 104502ac6454SAndrew Thompson xfer->td_transfer_cache = xfer->td_transfer_first; 104602ac6454SAndrew Thompson 104702ac6454SAndrew Thompson if (xfer->flags_int.control_xfr) { 104802ac6454SAndrew Thompson 104902ac6454SAndrew Thompson if (xfer->flags_int.control_hdr) { 105002ac6454SAndrew Thompson 105102ac6454SAndrew Thompson err = atmegadci_standard_done_sub(xfer); 105202ac6454SAndrew Thompson } 105302ac6454SAndrew Thompson xfer->aframes = 1; 105402ac6454SAndrew Thompson 105502ac6454SAndrew Thompson if (xfer->td_transfer_cache == NULL) { 105602ac6454SAndrew Thompson goto done; 105702ac6454SAndrew Thompson } 105802ac6454SAndrew Thompson } 105902ac6454SAndrew Thompson while (xfer->aframes != xfer->nframes) { 106002ac6454SAndrew Thompson 106102ac6454SAndrew Thompson err = atmegadci_standard_done_sub(xfer); 106202ac6454SAndrew Thompson xfer->aframes++; 106302ac6454SAndrew Thompson 106402ac6454SAndrew Thompson if (xfer->td_transfer_cache == NULL) { 106502ac6454SAndrew Thompson goto done; 106602ac6454SAndrew Thompson } 106702ac6454SAndrew Thompson } 106802ac6454SAndrew Thompson 106902ac6454SAndrew Thompson if (xfer->flags_int.control_xfr && 107002ac6454SAndrew Thompson !xfer->flags_int.control_act) { 107102ac6454SAndrew Thompson 107202ac6454SAndrew Thompson err = atmegadci_standard_done_sub(xfer); 107302ac6454SAndrew Thompson } 107402ac6454SAndrew Thompson done: 107502ac6454SAndrew Thompson atmegadci_device_done(xfer, err); 107602ac6454SAndrew Thompson } 107702ac6454SAndrew Thompson 107802ac6454SAndrew Thompson /*------------------------------------------------------------------------* 107902ac6454SAndrew Thompson * atmegadci_device_done 108002ac6454SAndrew Thompson * 108102ac6454SAndrew Thompson * NOTE: this function can be called more than one time on the 108202ac6454SAndrew Thompson * same USB transfer! 108302ac6454SAndrew Thompson *------------------------------------------------------------------------*/ 108402ac6454SAndrew Thompson static void 108502ac6454SAndrew Thompson atmegadci_device_done(struct usb2_xfer *xfer, usb2_error_t error) 108602ac6454SAndrew Thompson { 108702ac6454SAndrew Thompson struct atmegadci_softc *sc = ATMEGA_BUS2SC(xfer->xroot->bus); 108802ac6454SAndrew Thompson uint8_t ep_no; 108902ac6454SAndrew Thompson 109002ac6454SAndrew Thompson USB_BUS_LOCK_ASSERT(&sc->sc_bus, MA_OWNED); 109102ac6454SAndrew Thompson 1092d59dbd0aSAndrew Thompson DPRINTFN(9, "xfer=%p, pipe=%p, error=%d\n", 109302ac6454SAndrew Thompson xfer, xfer->pipe, error); 109402ac6454SAndrew Thompson 109502ac6454SAndrew Thompson if (xfer->flags_int.usb2_mode == USB_MODE_DEVICE) { 109602ac6454SAndrew Thompson ep_no = (xfer->endpoint & UE_ADDR); 109702ac6454SAndrew Thompson 109802ac6454SAndrew Thompson /* select endpoint number */ 109902ac6454SAndrew Thompson ATMEGA_WRITE_1(sc, ATMEGA_UENUM, ep_no); 110002ac6454SAndrew Thompson 110102ac6454SAndrew Thompson /* disable endpoint interrupt */ 110202ac6454SAndrew Thompson ATMEGA_WRITE_1(sc, ATMEGA_UEIENX, 0); 110302ac6454SAndrew Thompson 110402ac6454SAndrew Thompson DPRINTFN(15, "disabled interrupts!\n"); 110502ac6454SAndrew Thompson } 110602ac6454SAndrew Thompson /* dequeue transfer and start next transfer */ 110702ac6454SAndrew Thompson usb2_transfer_done(xfer, error); 110802ac6454SAndrew Thompson } 110902ac6454SAndrew Thompson 111002ac6454SAndrew Thompson static void 111102ac6454SAndrew Thompson atmegadci_set_stall(struct usb2_device *udev, struct usb2_xfer *xfer, 111202ac6454SAndrew Thompson struct usb2_pipe *pipe) 111302ac6454SAndrew Thompson { 111402ac6454SAndrew Thompson struct atmegadci_softc *sc; 111502ac6454SAndrew Thompson uint8_t ep_no; 111602ac6454SAndrew Thompson 111702ac6454SAndrew Thompson USB_BUS_LOCK_ASSERT(udev->bus, MA_OWNED); 111802ac6454SAndrew Thompson 111902ac6454SAndrew Thompson DPRINTFN(5, "pipe=%p\n", pipe); 112002ac6454SAndrew Thompson 112102ac6454SAndrew Thompson if (xfer) { 112202ac6454SAndrew Thompson /* cancel any ongoing transfers */ 112302ac6454SAndrew Thompson atmegadci_device_done(xfer, USB_ERR_STALLED); 112402ac6454SAndrew Thompson } 112502ac6454SAndrew Thompson sc = ATMEGA_BUS2SC(udev->bus); 112602ac6454SAndrew Thompson /* get endpoint number */ 112702ac6454SAndrew Thompson ep_no = (pipe->edesc->bEndpointAddress & UE_ADDR); 112802ac6454SAndrew Thompson /* select endpoint number */ 112902ac6454SAndrew Thompson ATMEGA_WRITE_1(sc, ATMEGA_UENUM, ep_no); 113002ac6454SAndrew Thompson /* set stall */ 113102ac6454SAndrew Thompson ATMEGA_WRITE_1(sc, ATMEGA_UECONX, 113202ac6454SAndrew Thompson ATMEGA_UECONX_EPEN | 113302ac6454SAndrew Thompson ATMEGA_UECONX_STALLRQ); 113402ac6454SAndrew Thompson } 113502ac6454SAndrew Thompson 113602ac6454SAndrew Thompson static void 113702ac6454SAndrew Thompson atmegadci_clear_stall_sub(struct atmegadci_softc *sc, uint8_t ep_no, 113802ac6454SAndrew Thompson uint8_t ep_type, uint8_t ep_dir) 113902ac6454SAndrew Thompson { 114002ac6454SAndrew Thompson uint8_t temp; 114102ac6454SAndrew Thompson 114202ac6454SAndrew Thompson if (ep_type == UE_CONTROL) { 114302ac6454SAndrew Thompson /* clearing stall is not needed */ 114402ac6454SAndrew Thompson return; 114502ac6454SAndrew Thompson } 114602ac6454SAndrew Thompson /* select endpoint number */ 114702ac6454SAndrew Thompson ATMEGA_WRITE_1(sc, ATMEGA_UENUM, ep_no); 114802ac6454SAndrew Thompson 114902ac6454SAndrew Thompson /* set endpoint reset */ 115002ac6454SAndrew Thompson ATMEGA_WRITE_1(sc, ATMEGA_UERST, ATMEGA_UERST_MASK(ep_no)); 115102ac6454SAndrew Thompson 115202ac6454SAndrew Thompson /* clear endpoint reset */ 115302ac6454SAndrew Thompson ATMEGA_WRITE_1(sc, ATMEGA_UERST, 0); 115402ac6454SAndrew Thompson 115502ac6454SAndrew Thompson /* set stall */ 115602ac6454SAndrew Thompson ATMEGA_WRITE_1(sc, ATMEGA_UECONX, 115702ac6454SAndrew Thompson ATMEGA_UECONX_EPEN | 115802ac6454SAndrew Thompson ATMEGA_UECONX_STALLRQ); 115902ac6454SAndrew Thompson 116002ac6454SAndrew Thompson /* reset data toggle */ 116102ac6454SAndrew Thompson ATMEGA_WRITE_1(sc, ATMEGA_UECONX, 116202ac6454SAndrew Thompson ATMEGA_UECONX_EPEN | 116302ac6454SAndrew Thompson ATMEGA_UECONX_RSTDT); 116402ac6454SAndrew Thompson 116502ac6454SAndrew Thompson /* clear stall */ 116602ac6454SAndrew Thompson ATMEGA_WRITE_1(sc, ATMEGA_UECONX, 116702ac6454SAndrew Thompson ATMEGA_UECONX_EPEN | 116802ac6454SAndrew Thompson ATMEGA_UECONX_STALLRQC); 116902ac6454SAndrew Thompson 1170d59dbd0aSAndrew Thompson do { 117102ac6454SAndrew Thompson temp = 0; 117202ac6454SAndrew Thompson if (ep_type == UE_BULK) { 117302ac6454SAndrew Thompson temp |= ATMEGA_UECFG0X_EPTYPE2; 117402ac6454SAndrew Thompson } else if (ep_type == UE_INTERRUPT) { 117502ac6454SAndrew Thompson temp |= ATMEGA_UECFG0X_EPTYPE3; 117602ac6454SAndrew Thompson } else { 117702ac6454SAndrew Thompson temp |= ATMEGA_UECFG0X_EPTYPE1; 117802ac6454SAndrew Thompson } 117902ac6454SAndrew Thompson if (ep_dir & UE_DIR_IN) { 118002ac6454SAndrew Thompson temp |= ATMEGA_UECFG0X_EPDIR; 118102ac6454SAndrew Thompson } 118202ac6454SAndrew Thompson /* two banks, 64-bytes wMaxPacket */ 118302ac6454SAndrew Thompson ATMEGA_WRITE_1(sc, ATMEGA_UECFG0X, temp); 118402ac6454SAndrew Thompson ATMEGA_WRITE_1(sc, ATMEGA_UECFG1X, 118502ac6454SAndrew Thompson ATMEGA_UECFG1X_ALLOC | 118602ac6454SAndrew Thompson ATMEGA_UECFG1X_EPBK1 | 1187d59dbd0aSAndrew Thompson ATMEGA_UECFG1X_EPSIZE(3)); 118802ac6454SAndrew Thompson 118902ac6454SAndrew Thompson temp = ATMEGA_READ_1(sc, ATMEGA_UESTA0X); 119002ac6454SAndrew Thompson if (!(temp & ATMEGA_UESTA0X_CFGOK)) { 119102ac6454SAndrew Thompson DPRINTFN(0, "Chip rejected configuration\n"); 119202ac6454SAndrew Thompson } 1193d59dbd0aSAndrew Thompson } while (0); 119402ac6454SAndrew Thompson } 119502ac6454SAndrew Thompson 119602ac6454SAndrew Thompson static void 119702ac6454SAndrew Thompson atmegadci_clear_stall(struct usb2_device *udev, struct usb2_pipe *pipe) 119802ac6454SAndrew Thompson { 119902ac6454SAndrew Thompson struct atmegadci_softc *sc; 120002ac6454SAndrew Thompson struct usb2_endpoint_descriptor *ed; 120102ac6454SAndrew Thompson 120202ac6454SAndrew Thompson DPRINTFN(5, "pipe=%p\n", pipe); 120302ac6454SAndrew Thompson 120402ac6454SAndrew Thompson USB_BUS_LOCK_ASSERT(udev->bus, MA_OWNED); 120502ac6454SAndrew Thompson 120602ac6454SAndrew Thompson /* check mode */ 120702ac6454SAndrew Thompson if (udev->flags.usb2_mode != USB_MODE_DEVICE) { 120802ac6454SAndrew Thompson /* not supported */ 120902ac6454SAndrew Thompson return; 121002ac6454SAndrew Thompson } 121102ac6454SAndrew Thompson /* get softc */ 121202ac6454SAndrew Thompson sc = ATMEGA_BUS2SC(udev->bus); 121302ac6454SAndrew Thompson 121402ac6454SAndrew Thompson /* get endpoint descriptor */ 121502ac6454SAndrew Thompson ed = pipe->edesc; 121602ac6454SAndrew Thompson 121702ac6454SAndrew Thompson /* reset endpoint */ 121802ac6454SAndrew Thompson atmegadci_clear_stall_sub(sc, 121902ac6454SAndrew Thompson (ed->bEndpointAddress & UE_ADDR), 122002ac6454SAndrew Thompson (ed->bmAttributes & UE_XFERTYPE), 122102ac6454SAndrew Thompson (ed->bEndpointAddress & (UE_DIR_IN | UE_DIR_OUT))); 122202ac6454SAndrew Thompson } 122302ac6454SAndrew Thompson 122402ac6454SAndrew Thompson usb2_error_t 122502ac6454SAndrew Thompson atmegadci_init(struct atmegadci_softc *sc) 122602ac6454SAndrew Thompson { 122702ac6454SAndrew Thompson uint8_t n; 122802ac6454SAndrew Thompson 122902ac6454SAndrew Thompson DPRINTF("start\n"); 123002ac6454SAndrew Thompson 123102ac6454SAndrew Thompson /* set up the bus structure */ 123202ac6454SAndrew Thompson sc->sc_bus.usbrev = USB_REV_1_1; 123302ac6454SAndrew Thompson sc->sc_bus.methods = &atmegadci_bus_methods; 123402ac6454SAndrew Thompson 123502ac6454SAndrew Thompson USB_BUS_LOCK(&sc->sc_bus); 1236d59dbd0aSAndrew Thompson #if 0 1237d59dbd0aSAndrew Thompson /* XXX TODO - currently done by boot strap */ 123802ac6454SAndrew Thompson 123902ac6454SAndrew Thompson /* enable USB PAD regulator */ 124002ac6454SAndrew Thompson ATMEGA_WRITE_1(sc, ATMEGA_UHWCON, 1241d59dbd0aSAndrew Thompson ATMEGA_UHWCON_UVREGE | ATMEGA_UHWCON_UIMOD); 1242d59dbd0aSAndrew Thompson #endif 124302ac6454SAndrew Thompson /* turn on clocks */ 124402ac6454SAndrew Thompson (sc->sc_clocks_on) (&sc->sc_bus); 124502ac6454SAndrew Thompson 1246d59dbd0aSAndrew Thompson /* make sure device is re-enumerated */ 1247d59dbd0aSAndrew Thompson ATMEGA_WRITE_1(sc, ATMEGA_UDCON, ATMEGA_UDCON_DETACH); 1248d59dbd0aSAndrew Thompson 124902ac6454SAndrew Thompson /* wait a little for things to stabilise */ 1250d59dbd0aSAndrew Thompson usb2_pause_mtx(&sc->sc_bus.bus_mtx, hz / 20); 125102ac6454SAndrew Thompson 125202ac6454SAndrew Thompson /* enable interrupts */ 125302ac6454SAndrew Thompson ATMEGA_WRITE_1(sc, ATMEGA_UDIEN, 125402ac6454SAndrew Thompson ATMEGA_UDINT_SUSPE | 125502ac6454SAndrew Thompson ATMEGA_UDINT_EORSTE); 125602ac6454SAndrew Thompson 125702ac6454SAndrew Thompson /* reset all endpoints */ 125802ac6454SAndrew Thompson ATMEGA_WRITE_1(sc, ATMEGA_UERST, 125902ac6454SAndrew Thompson (1 << ATMEGA_EP_MAX) - 1); 126002ac6454SAndrew Thompson 126102ac6454SAndrew Thompson /* disable reset */ 126202ac6454SAndrew Thompson ATMEGA_WRITE_1(sc, ATMEGA_UERST, 0); 126302ac6454SAndrew Thompson 126402ac6454SAndrew Thompson /* disable all endpoints */ 1265d59dbd0aSAndrew Thompson for (n = 0; n != ATMEGA_EP_MAX; n++) { 126602ac6454SAndrew Thompson 126702ac6454SAndrew Thompson /* select endpoint */ 126802ac6454SAndrew Thompson ATMEGA_WRITE_1(sc, ATMEGA_UENUM, n); 126902ac6454SAndrew Thompson 127002ac6454SAndrew Thompson /* disable endpoint interrupt */ 127102ac6454SAndrew Thompson ATMEGA_WRITE_1(sc, ATMEGA_UEIENX, 0); 127202ac6454SAndrew Thompson 127302ac6454SAndrew Thompson /* disable endpoint */ 127402ac6454SAndrew Thompson ATMEGA_WRITE_1(sc, ATMEGA_UECONX, 0); 127502ac6454SAndrew Thompson } 127602ac6454SAndrew Thompson 127702ac6454SAndrew Thompson /* turn off clocks */ 127802ac6454SAndrew Thompson 127902ac6454SAndrew Thompson atmegadci_clocks_off(sc); 128002ac6454SAndrew Thompson 1281d59dbd0aSAndrew Thompson /* read initial VBUS state */ 1282d59dbd0aSAndrew Thompson 1283d59dbd0aSAndrew Thompson n = ATMEGA_READ_1(sc, ATMEGA_USBSTA); 1284d59dbd0aSAndrew Thompson atmegadci_vbus_interrupt(sc, n & ATMEGA_USBSTA_VBUS); 1285d59dbd0aSAndrew Thompson 128602ac6454SAndrew Thompson USB_BUS_UNLOCK(&sc->sc_bus); 128702ac6454SAndrew Thompson 128802ac6454SAndrew Thompson /* catch any lost interrupts */ 128902ac6454SAndrew Thompson 129002ac6454SAndrew Thompson atmegadci_do_poll(&sc->sc_bus); 129102ac6454SAndrew Thompson 129202ac6454SAndrew Thompson return (0); /* success */ 129302ac6454SAndrew Thompson } 129402ac6454SAndrew Thompson 129502ac6454SAndrew Thompson void 129602ac6454SAndrew Thompson atmegadci_uninit(struct atmegadci_softc *sc) 129702ac6454SAndrew Thompson { 129802ac6454SAndrew Thompson USB_BUS_LOCK(&sc->sc_bus); 129902ac6454SAndrew Thompson 130002ac6454SAndrew Thompson /* turn on clocks */ 130102ac6454SAndrew Thompson (sc->sc_clocks_on) (&sc->sc_bus); 130202ac6454SAndrew Thompson 130302ac6454SAndrew Thompson /* disable interrupts */ 130402ac6454SAndrew Thompson ATMEGA_WRITE_1(sc, ATMEGA_UDIEN, 0); 130502ac6454SAndrew Thompson 130602ac6454SAndrew Thompson /* reset all endpoints */ 130702ac6454SAndrew Thompson ATMEGA_WRITE_1(sc, ATMEGA_UERST, 130802ac6454SAndrew Thompson (1 << ATMEGA_EP_MAX) - 1); 130902ac6454SAndrew Thompson 131002ac6454SAndrew Thompson /* disable reset */ 131102ac6454SAndrew Thompson ATMEGA_WRITE_1(sc, ATMEGA_UERST, 0); 131202ac6454SAndrew Thompson 131302ac6454SAndrew Thompson sc->sc_flags.port_powered = 0; 131402ac6454SAndrew Thompson sc->sc_flags.status_vbus = 0; 131502ac6454SAndrew Thompson sc->sc_flags.status_bus_reset = 0; 131602ac6454SAndrew Thompson sc->sc_flags.status_suspend = 0; 131702ac6454SAndrew Thompson sc->sc_flags.change_suspend = 0; 131802ac6454SAndrew Thompson sc->sc_flags.change_connect = 1; 131902ac6454SAndrew Thompson 132002ac6454SAndrew Thompson atmegadci_pull_down(sc); 132102ac6454SAndrew Thompson atmegadci_clocks_off(sc); 132202ac6454SAndrew Thompson 132302ac6454SAndrew Thompson /* disable USB PAD regulator */ 132402ac6454SAndrew Thompson ATMEGA_WRITE_1(sc, ATMEGA_UHWCON, 0); 132502ac6454SAndrew Thompson 132602ac6454SAndrew Thompson USB_BUS_UNLOCK(&sc->sc_bus); 132702ac6454SAndrew Thompson } 132802ac6454SAndrew Thompson 132902ac6454SAndrew Thompson void 133002ac6454SAndrew Thompson atmegadci_suspend(struct atmegadci_softc *sc) 133102ac6454SAndrew Thompson { 133202ac6454SAndrew Thompson return; 133302ac6454SAndrew Thompson } 133402ac6454SAndrew Thompson 133502ac6454SAndrew Thompson void 133602ac6454SAndrew Thompson atmegadci_resume(struct atmegadci_softc *sc) 133702ac6454SAndrew Thompson { 133802ac6454SAndrew Thompson return; 133902ac6454SAndrew Thompson } 134002ac6454SAndrew Thompson 134102ac6454SAndrew Thompson static void 134202ac6454SAndrew Thompson atmegadci_do_poll(struct usb2_bus *bus) 134302ac6454SAndrew Thompson { 134402ac6454SAndrew Thompson struct atmegadci_softc *sc = ATMEGA_BUS2SC(bus); 134502ac6454SAndrew Thompson 134602ac6454SAndrew Thompson USB_BUS_LOCK(&sc->sc_bus); 134702ac6454SAndrew Thompson atmegadci_interrupt_poll(sc); 134802ac6454SAndrew Thompson atmegadci_root_ctrl_poll(sc); 134902ac6454SAndrew Thompson USB_BUS_UNLOCK(&sc->sc_bus); 135002ac6454SAndrew Thompson } 135102ac6454SAndrew Thompson 135202ac6454SAndrew Thompson /*------------------------------------------------------------------------* 135302ac6454SAndrew Thompson * at91dci bulk support 135402ac6454SAndrew Thompson *------------------------------------------------------------------------*/ 135502ac6454SAndrew Thompson static void 135602ac6454SAndrew Thompson atmegadci_device_bulk_open(struct usb2_xfer *xfer) 135702ac6454SAndrew Thompson { 135802ac6454SAndrew Thompson return; 135902ac6454SAndrew Thompson } 136002ac6454SAndrew Thompson 136102ac6454SAndrew Thompson static void 136202ac6454SAndrew Thompson atmegadci_device_bulk_close(struct usb2_xfer *xfer) 136302ac6454SAndrew Thompson { 136402ac6454SAndrew Thompson atmegadci_device_done(xfer, USB_ERR_CANCELLED); 136502ac6454SAndrew Thompson } 136602ac6454SAndrew Thompson 136702ac6454SAndrew Thompson static void 136802ac6454SAndrew Thompson atmegadci_device_bulk_enter(struct usb2_xfer *xfer) 136902ac6454SAndrew Thompson { 137002ac6454SAndrew Thompson return; 137102ac6454SAndrew Thompson } 137202ac6454SAndrew Thompson 137302ac6454SAndrew Thompson static void 137402ac6454SAndrew Thompson atmegadci_device_bulk_start(struct usb2_xfer *xfer) 137502ac6454SAndrew Thompson { 137602ac6454SAndrew Thompson /* setup TDs */ 137702ac6454SAndrew Thompson atmegadci_setup_standard_chain(xfer); 137802ac6454SAndrew Thompson atmegadci_start_standard_chain(xfer); 137902ac6454SAndrew Thompson } 138002ac6454SAndrew Thompson 138102ac6454SAndrew Thompson struct usb2_pipe_methods atmegadci_device_bulk_methods = 138202ac6454SAndrew Thompson { 138302ac6454SAndrew Thompson .open = atmegadci_device_bulk_open, 138402ac6454SAndrew Thompson .close = atmegadci_device_bulk_close, 138502ac6454SAndrew Thompson .enter = atmegadci_device_bulk_enter, 138602ac6454SAndrew Thompson .start = atmegadci_device_bulk_start, 138702ac6454SAndrew Thompson .enter_is_cancelable = 1, 138802ac6454SAndrew Thompson .start_is_cancelable = 1, 138902ac6454SAndrew Thompson }; 139002ac6454SAndrew Thompson 139102ac6454SAndrew Thompson /*------------------------------------------------------------------------* 139202ac6454SAndrew Thompson * at91dci control support 139302ac6454SAndrew Thompson *------------------------------------------------------------------------*/ 139402ac6454SAndrew Thompson static void 139502ac6454SAndrew Thompson atmegadci_device_ctrl_open(struct usb2_xfer *xfer) 139602ac6454SAndrew Thompson { 139702ac6454SAndrew Thompson return; 139802ac6454SAndrew Thompson } 139902ac6454SAndrew Thompson 140002ac6454SAndrew Thompson static void 140102ac6454SAndrew Thompson atmegadci_device_ctrl_close(struct usb2_xfer *xfer) 140202ac6454SAndrew Thompson { 140302ac6454SAndrew Thompson atmegadci_device_done(xfer, USB_ERR_CANCELLED); 140402ac6454SAndrew Thompson } 140502ac6454SAndrew Thompson 140602ac6454SAndrew Thompson static void 140702ac6454SAndrew Thompson atmegadci_device_ctrl_enter(struct usb2_xfer *xfer) 140802ac6454SAndrew Thompson { 140902ac6454SAndrew Thompson return; 141002ac6454SAndrew Thompson } 141102ac6454SAndrew Thompson 141202ac6454SAndrew Thompson static void 141302ac6454SAndrew Thompson atmegadci_device_ctrl_start(struct usb2_xfer *xfer) 141402ac6454SAndrew Thompson { 141502ac6454SAndrew Thompson /* setup TDs */ 141602ac6454SAndrew Thompson atmegadci_setup_standard_chain(xfer); 141702ac6454SAndrew Thompson atmegadci_start_standard_chain(xfer); 141802ac6454SAndrew Thompson } 141902ac6454SAndrew Thompson 142002ac6454SAndrew Thompson struct usb2_pipe_methods atmegadci_device_ctrl_methods = 142102ac6454SAndrew Thompson { 142202ac6454SAndrew Thompson .open = atmegadci_device_ctrl_open, 142302ac6454SAndrew Thompson .close = atmegadci_device_ctrl_close, 142402ac6454SAndrew Thompson .enter = atmegadci_device_ctrl_enter, 142502ac6454SAndrew Thompson .start = atmegadci_device_ctrl_start, 142602ac6454SAndrew Thompson .enter_is_cancelable = 1, 142702ac6454SAndrew Thompson .start_is_cancelable = 1, 142802ac6454SAndrew Thompson }; 142902ac6454SAndrew Thompson 143002ac6454SAndrew Thompson /*------------------------------------------------------------------------* 143102ac6454SAndrew Thompson * at91dci interrupt support 143202ac6454SAndrew Thompson *------------------------------------------------------------------------*/ 143302ac6454SAndrew Thompson static void 143402ac6454SAndrew Thompson atmegadci_device_intr_open(struct usb2_xfer *xfer) 143502ac6454SAndrew Thompson { 143602ac6454SAndrew Thompson return; 143702ac6454SAndrew Thompson } 143802ac6454SAndrew Thompson 143902ac6454SAndrew Thompson static void 144002ac6454SAndrew Thompson atmegadci_device_intr_close(struct usb2_xfer *xfer) 144102ac6454SAndrew Thompson { 144202ac6454SAndrew Thompson atmegadci_device_done(xfer, USB_ERR_CANCELLED); 144302ac6454SAndrew Thompson } 144402ac6454SAndrew Thompson 144502ac6454SAndrew Thompson static void 144602ac6454SAndrew Thompson atmegadci_device_intr_enter(struct usb2_xfer *xfer) 144702ac6454SAndrew Thompson { 144802ac6454SAndrew Thompson return; 144902ac6454SAndrew Thompson } 145002ac6454SAndrew Thompson 145102ac6454SAndrew Thompson static void 145202ac6454SAndrew Thompson atmegadci_device_intr_start(struct usb2_xfer *xfer) 145302ac6454SAndrew Thompson { 145402ac6454SAndrew Thompson /* setup TDs */ 145502ac6454SAndrew Thompson atmegadci_setup_standard_chain(xfer); 145602ac6454SAndrew Thompson atmegadci_start_standard_chain(xfer); 145702ac6454SAndrew Thompson } 145802ac6454SAndrew Thompson 145902ac6454SAndrew Thompson struct usb2_pipe_methods atmegadci_device_intr_methods = 146002ac6454SAndrew Thompson { 146102ac6454SAndrew Thompson .open = atmegadci_device_intr_open, 146202ac6454SAndrew Thompson .close = atmegadci_device_intr_close, 146302ac6454SAndrew Thompson .enter = atmegadci_device_intr_enter, 146402ac6454SAndrew Thompson .start = atmegadci_device_intr_start, 146502ac6454SAndrew Thompson .enter_is_cancelable = 1, 146602ac6454SAndrew Thompson .start_is_cancelable = 1, 146702ac6454SAndrew Thompson }; 146802ac6454SAndrew Thompson 146902ac6454SAndrew Thompson /*------------------------------------------------------------------------* 147002ac6454SAndrew Thompson * at91dci full speed isochronous support 147102ac6454SAndrew Thompson *------------------------------------------------------------------------*/ 147202ac6454SAndrew Thompson static void 147302ac6454SAndrew Thompson atmegadci_device_isoc_fs_open(struct usb2_xfer *xfer) 147402ac6454SAndrew Thompson { 147502ac6454SAndrew Thompson return; 147602ac6454SAndrew Thompson } 147702ac6454SAndrew Thompson 147802ac6454SAndrew Thompson static void 147902ac6454SAndrew Thompson atmegadci_device_isoc_fs_close(struct usb2_xfer *xfer) 148002ac6454SAndrew Thompson { 148102ac6454SAndrew Thompson atmegadci_device_done(xfer, USB_ERR_CANCELLED); 148202ac6454SAndrew Thompson } 148302ac6454SAndrew Thompson 148402ac6454SAndrew Thompson static void 148502ac6454SAndrew Thompson atmegadci_device_isoc_fs_enter(struct usb2_xfer *xfer) 148602ac6454SAndrew Thompson { 148702ac6454SAndrew Thompson struct atmegadci_softc *sc = ATMEGA_BUS2SC(xfer->xroot->bus); 148802ac6454SAndrew Thompson uint32_t temp; 148902ac6454SAndrew Thompson uint32_t nframes; 149002ac6454SAndrew Thompson 149102ac6454SAndrew Thompson DPRINTFN(6, "xfer=%p next=%d nframes=%d\n", 149202ac6454SAndrew Thompson xfer, xfer->pipe->isoc_next, xfer->nframes); 149302ac6454SAndrew Thompson 149402ac6454SAndrew Thompson /* get the current frame index */ 149502ac6454SAndrew Thompson 149602ac6454SAndrew Thompson nframes = 149702ac6454SAndrew Thompson (ATMEGA_READ_1(sc, ATMEGA_UDFNUMH) << 8) | 149802ac6454SAndrew Thompson (ATMEGA_READ_1(sc, ATMEGA_UDFNUML)); 149902ac6454SAndrew Thompson 150002ac6454SAndrew Thompson nframes &= ATMEGA_FRAME_MASK; 150102ac6454SAndrew Thompson 150202ac6454SAndrew Thompson /* 150302ac6454SAndrew Thompson * check if the frame index is within the window where the frames 150402ac6454SAndrew Thompson * will be inserted 150502ac6454SAndrew Thompson */ 150602ac6454SAndrew Thompson temp = (nframes - xfer->pipe->isoc_next) & ATMEGA_FRAME_MASK; 150702ac6454SAndrew Thompson 150802ac6454SAndrew Thompson if ((xfer->pipe->is_synced == 0) || 150902ac6454SAndrew Thompson (temp < xfer->nframes)) { 151002ac6454SAndrew Thompson /* 151102ac6454SAndrew Thompson * If there is data underflow or the pipe queue is 151202ac6454SAndrew Thompson * empty we schedule the transfer a few frames ahead 151302ac6454SAndrew Thompson * of the current frame position. Else two isochronous 151402ac6454SAndrew Thompson * transfers might overlap. 151502ac6454SAndrew Thompson */ 151602ac6454SAndrew Thompson xfer->pipe->isoc_next = (nframes + 3) & ATMEGA_FRAME_MASK; 151702ac6454SAndrew Thompson xfer->pipe->is_synced = 1; 151802ac6454SAndrew Thompson DPRINTFN(3, "start next=%d\n", xfer->pipe->isoc_next); 151902ac6454SAndrew Thompson } 152002ac6454SAndrew Thompson /* 152102ac6454SAndrew Thompson * compute how many milliseconds the insertion is ahead of the 152202ac6454SAndrew Thompson * current frame position: 152302ac6454SAndrew Thompson */ 152402ac6454SAndrew Thompson temp = (xfer->pipe->isoc_next - nframes) & ATMEGA_FRAME_MASK; 152502ac6454SAndrew Thompson 152602ac6454SAndrew Thompson /* 152702ac6454SAndrew Thompson * pre-compute when the isochronous transfer will be finished: 152802ac6454SAndrew Thompson */ 152902ac6454SAndrew Thompson xfer->isoc_time_complete = 153002ac6454SAndrew Thompson usb2_isoc_time_expand(&sc->sc_bus, nframes) + temp + 153102ac6454SAndrew Thompson xfer->nframes; 153202ac6454SAndrew Thompson 153302ac6454SAndrew Thompson /* compute frame number for next insertion */ 153402ac6454SAndrew Thompson xfer->pipe->isoc_next += xfer->nframes; 153502ac6454SAndrew Thompson 153602ac6454SAndrew Thompson /* setup TDs */ 153702ac6454SAndrew Thompson atmegadci_setup_standard_chain(xfer); 153802ac6454SAndrew Thompson } 153902ac6454SAndrew Thompson 154002ac6454SAndrew Thompson static void 154102ac6454SAndrew Thompson atmegadci_device_isoc_fs_start(struct usb2_xfer *xfer) 154202ac6454SAndrew Thompson { 154302ac6454SAndrew Thompson /* start TD chain */ 154402ac6454SAndrew Thompson atmegadci_start_standard_chain(xfer); 154502ac6454SAndrew Thompson } 154602ac6454SAndrew Thompson 154702ac6454SAndrew Thompson struct usb2_pipe_methods atmegadci_device_isoc_fs_methods = 154802ac6454SAndrew Thompson { 154902ac6454SAndrew Thompson .open = atmegadci_device_isoc_fs_open, 155002ac6454SAndrew Thompson .close = atmegadci_device_isoc_fs_close, 155102ac6454SAndrew Thompson .enter = atmegadci_device_isoc_fs_enter, 155202ac6454SAndrew Thompson .start = atmegadci_device_isoc_fs_start, 155302ac6454SAndrew Thompson .enter_is_cancelable = 1, 155402ac6454SAndrew Thompson .start_is_cancelable = 1, 155502ac6454SAndrew Thompson }; 155602ac6454SAndrew Thompson 155702ac6454SAndrew Thompson /*------------------------------------------------------------------------* 155802ac6454SAndrew Thompson * at91dci root control support 155902ac6454SAndrew Thompson *------------------------------------------------------------------------* 156002ac6454SAndrew Thompson * simulate a hardware HUB by handling 156102ac6454SAndrew Thompson * all the necessary requests 156202ac6454SAndrew Thompson *------------------------------------------------------------------------*/ 156302ac6454SAndrew Thompson 156402ac6454SAndrew Thompson static void 156502ac6454SAndrew Thompson atmegadci_root_ctrl_open(struct usb2_xfer *xfer) 156602ac6454SAndrew Thompson { 156702ac6454SAndrew Thompson return; 156802ac6454SAndrew Thompson } 156902ac6454SAndrew Thompson 157002ac6454SAndrew Thompson static void 157102ac6454SAndrew Thompson atmegadci_root_ctrl_close(struct usb2_xfer *xfer) 157202ac6454SAndrew Thompson { 157302ac6454SAndrew Thompson struct atmegadci_softc *sc = ATMEGA_BUS2SC(xfer->xroot->bus); 157402ac6454SAndrew Thompson 157502ac6454SAndrew Thompson if (sc->sc_root_ctrl.xfer == xfer) { 157602ac6454SAndrew Thompson sc->sc_root_ctrl.xfer = NULL; 157702ac6454SAndrew Thompson } 157802ac6454SAndrew Thompson atmegadci_device_done(xfer, USB_ERR_CANCELLED); 157902ac6454SAndrew Thompson } 158002ac6454SAndrew Thompson 158102ac6454SAndrew Thompson /* 158202ac6454SAndrew Thompson * USB descriptors for the virtual Root HUB: 158302ac6454SAndrew Thompson */ 158402ac6454SAndrew Thompson 158502ac6454SAndrew Thompson static const struct usb2_device_descriptor atmegadci_devd = { 158602ac6454SAndrew Thompson .bLength = sizeof(struct usb2_device_descriptor), 158702ac6454SAndrew Thompson .bDescriptorType = UDESC_DEVICE, 158802ac6454SAndrew Thompson .bcdUSB = {0x00, 0x02}, 158902ac6454SAndrew Thompson .bDeviceClass = UDCLASS_HUB, 159002ac6454SAndrew Thompson .bDeviceSubClass = UDSUBCLASS_HUB, 159102ac6454SAndrew Thompson .bDeviceProtocol = UDPROTO_HSHUBSTT, 159202ac6454SAndrew Thompson .bMaxPacketSize = 64, 159302ac6454SAndrew Thompson .bcdDevice = {0x00, 0x01}, 159402ac6454SAndrew Thompson .iManufacturer = 1, 159502ac6454SAndrew Thompson .iProduct = 2, 159602ac6454SAndrew Thompson .bNumConfigurations = 1, 159702ac6454SAndrew Thompson }; 159802ac6454SAndrew Thompson 159902ac6454SAndrew Thompson static const struct usb2_device_qualifier atmegadci_odevd = { 160002ac6454SAndrew Thompson .bLength = sizeof(struct usb2_device_qualifier), 160102ac6454SAndrew Thompson .bDescriptorType = UDESC_DEVICE_QUALIFIER, 160202ac6454SAndrew Thompson .bcdUSB = {0x00, 0x02}, 160302ac6454SAndrew Thompson .bDeviceClass = UDCLASS_HUB, 160402ac6454SAndrew Thompson .bDeviceSubClass = UDSUBCLASS_HUB, 160502ac6454SAndrew Thompson .bDeviceProtocol = UDPROTO_FSHUB, 160602ac6454SAndrew Thompson .bMaxPacketSize0 = 0, 160702ac6454SAndrew Thompson .bNumConfigurations = 0, 160802ac6454SAndrew Thompson }; 160902ac6454SAndrew Thompson 161002ac6454SAndrew Thompson static const struct atmegadci_config_desc atmegadci_confd = { 161102ac6454SAndrew Thompson .confd = { 161202ac6454SAndrew Thompson .bLength = sizeof(struct usb2_config_descriptor), 161302ac6454SAndrew Thompson .bDescriptorType = UDESC_CONFIG, 161402ac6454SAndrew Thompson .wTotalLength[0] = sizeof(atmegadci_confd), 161502ac6454SAndrew Thompson .bNumInterface = 1, 161602ac6454SAndrew Thompson .bConfigurationValue = 1, 161702ac6454SAndrew Thompson .iConfiguration = 0, 161802ac6454SAndrew Thompson .bmAttributes = UC_SELF_POWERED, 161902ac6454SAndrew Thompson .bMaxPower = 0, 162002ac6454SAndrew Thompson }, 162102ac6454SAndrew Thompson .ifcd = { 162202ac6454SAndrew Thompson .bLength = sizeof(struct usb2_interface_descriptor), 162302ac6454SAndrew Thompson .bDescriptorType = UDESC_INTERFACE, 162402ac6454SAndrew Thompson .bNumEndpoints = 1, 162502ac6454SAndrew Thompson .bInterfaceClass = UICLASS_HUB, 162602ac6454SAndrew Thompson .bInterfaceSubClass = UISUBCLASS_HUB, 162702ac6454SAndrew Thompson .bInterfaceProtocol = UIPROTO_HSHUBSTT, 162802ac6454SAndrew Thompson }, 162902ac6454SAndrew Thompson 163002ac6454SAndrew Thompson .endpd = { 163102ac6454SAndrew Thompson .bLength = sizeof(struct usb2_endpoint_descriptor), 163202ac6454SAndrew Thompson .bDescriptorType = UDESC_ENDPOINT, 163302ac6454SAndrew Thompson .bEndpointAddress = (UE_DIR_IN | ATMEGA_INTR_ENDPT), 163402ac6454SAndrew Thompson .bmAttributes = UE_INTERRUPT, 163502ac6454SAndrew Thompson .wMaxPacketSize[0] = 8, 163602ac6454SAndrew Thompson .bInterval = 255, 163702ac6454SAndrew Thompson }, 163802ac6454SAndrew Thompson }; 163902ac6454SAndrew Thompson 164002ac6454SAndrew Thompson static const struct usb2_hub_descriptor_min atmegadci_hubd = { 164102ac6454SAndrew Thompson .bDescLength = sizeof(atmegadci_hubd), 164202ac6454SAndrew Thompson .bDescriptorType = UDESC_HUB, 164302ac6454SAndrew Thompson .bNbrPorts = 1, 164402ac6454SAndrew Thompson .wHubCharacteristics[0] = 164502ac6454SAndrew Thompson (UHD_PWR_NO_SWITCH | UHD_OC_INDIVIDUAL) & 0xFF, 164602ac6454SAndrew Thompson .wHubCharacteristics[1] = 164702ac6454SAndrew Thompson (UHD_PWR_NO_SWITCH | UHD_OC_INDIVIDUAL) >> 8, 164802ac6454SAndrew Thompson .bPwrOn2PwrGood = 50, 164902ac6454SAndrew Thompson .bHubContrCurrent = 0, 165002ac6454SAndrew Thompson .DeviceRemovable = {0}, /* port is removable */ 165102ac6454SAndrew Thompson }; 165202ac6454SAndrew Thompson 165302ac6454SAndrew Thompson #define STRING_LANG \ 165402ac6454SAndrew Thompson 0x09, 0x04, /* American English */ 165502ac6454SAndrew Thompson 165602ac6454SAndrew Thompson #define STRING_VENDOR \ 165702ac6454SAndrew Thompson 'A', 0, 'T', 0, 'M', 0, 'E', 0, 'G', 0, 'A', 0 165802ac6454SAndrew Thompson 165902ac6454SAndrew Thompson #define STRING_PRODUCT \ 166002ac6454SAndrew Thompson 'D', 0, 'C', 0, 'I', 0, ' ', 0, 'R', 0, \ 166102ac6454SAndrew Thompson 'o', 0, 'o', 0, 't', 0, ' ', 0, 'H', 0, \ 166202ac6454SAndrew Thompson 'U', 0, 'B', 0, 166302ac6454SAndrew Thompson 166402ac6454SAndrew Thompson USB_MAKE_STRING_DESC(STRING_LANG, atmegadci_langtab); 166502ac6454SAndrew Thompson USB_MAKE_STRING_DESC(STRING_VENDOR, atmegadci_vendor); 166602ac6454SAndrew Thompson USB_MAKE_STRING_DESC(STRING_PRODUCT, atmegadci_product); 166702ac6454SAndrew Thompson 166802ac6454SAndrew Thompson static void 166902ac6454SAndrew Thompson atmegadci_root_ctrl_enter(struct usb2_xfer *xfer) 167002ac6454SAndrew Thompson { 167102ac6454SAndrew Thompson return; 167202ac6454SAndrew Thompson } 167302ac6454SAndrew Thompson 167402ac6454SAndrew Thompson static void 167502ac6454SAndrew Thompson atmegadci_root_ctrl_start(struct usb2_xfer *xfer) 167602ac6454SAndrew Thompson { 167702ac6454SAndrew Thompson struct atmegadci_softc *sc = ATMEGA_BUS2SC(xfer->xroot->bus); 167802ac6454SAndrew Thompson 167902ac6454SAndrew Thompson sc->sc_root_ctrl.xfer = xfer; 168002ac6454SAndrew Thompson 168102ac6454SAndrew Thompson usb2_bus_roothub_exec(xfer->xroot->bus); 168202ac6454SAndrew Thompson } 168302ac6454SAndrew Thompson 168402ac6454SAndrew Thompson static void 168502ac6454SAndrew Thompson atmegadci_root_ctrl_task(struct usb2_bus *bus) 168602ac6454SAndrew Thompson { 168702ac6454SAndrew Thompson atmegadci_root_ctrl_poll(ATMEGA_BUS2SC(bus)); 168802ac6454SAndrew Thompson } 168902ac6454SAndrew Thompson 169002ac6454SAndrew Thompson static void 169102ac6454SAndrew Thompson atmegadci_root_ctrl_done(struct usb2_xfer *xfer, 169202ac6454SAndrew Thompson struct usb2_sw_transfer *std) 169302ac6454SAndrew Thompson { 169402ac6454SAndrew Thompson struct atmegadci_softc *sc = ATMEGA_BUS2SC(xfer->xroot->bus); 169502ac6454SAndrew Thompson uint16_t value; 169602ac6454SAndrew Thompson uint16_t index; 1697d59dbd0aSAndrew Thompson uint8_t temp; 169802ac6454SAndrew Thompson 169902ac6454SAndrew Thompson USB_BUS_LOCK_ASSERT(&sc->sc_bus, MA_OWNED); 170002ac6454SAndrew Thompson 170102ac6454SAndrew Thompson if (std->state != USB_SW_TR_SETUP) { 170202ac6454SAndrew Thompson if (std->state == USB_SW_TR_PRE_CALLBACK) { 170302ac6454SAndrew Thompson /* transfer transferred */ 170402ac6454SAndrew Thompson atmegadci_device_done(xfer, std->err); 170502ac6454SAndrew Thompson } 170602ac6454SAndrew Thompson goto done; 170702ac6454SAndrew Thompson } 170802ac6454SAndrew Thompson /* buffer reset */ 170902ac6454SAndrew Thompson std->ptr = USB_ADD_BYTES(&sc->sc_hub_temp, 0); 171002ac6454SAndrew Thompson std->len = 0; 171102ac6454SAndrew Thompson 171202ac6454SAndrew Thompson value = UGETW(std->req.wValue); 171302ac6454SAndrew Thompson index = UGETW(std->req.wIndex); 171402ac6454SAndrew Thompson 171502ac6454SAndrew Thompson /* demultiplex the control request */ 171602ac6454SAndrew Thompson 171702ac6454SAndrew Thompson switch (std->req.bmRequestType) { 171802ac6454SAndrew Thompson case UT_READ_DEVICE: 171902ac6454SAndrew Thompson switch (std->req.bRequest) { 172002ac6454SAndrew Thompson case UR_GET_DESCRIPTOR: 172102ac6454SAndrew Thompson goto tr_handle_get_descriptor; 172202ac6454SAndrew Thompson case UR_GET_CONFIG: 172302ac6454SAndrew Thompson goto tr_handle_get_config; 172402ac6454SAndrew Thompson case UR_GET_STATUS: 172502ac6454SAndrew Thompson goto tr_handle_get_status; 172602ac6454SAndrew Thompson default: 172702ac6454SAndrew Thompson goto tr_stalled; 172802ac6454SAndrew Thompson } 172902ac6454SAndrew Thompson break; 173002ac6454SAndrew Thompson 173102ac6454SAndrew Thompson case UT_WRITE_DEVICE: 173202ac6454SAndrew Thompson switch (std->req.bRequest) { 173302ac6454SAndrew Thompson case UR_SET_ADDRESS: 173402ac6454SAndrew Thompson goto tr_handle_set_address; 173502ac6454SAndrew Thompson case UR_SET_CONFIG: 173602ac6454SAndrew Thompson goto tr_handle_set_config; 173702ac6454SAndrew Thompson case UR_CLEAR_FEATURE: 173802ac6454SAndrew Thompson goto tr_valid; /* nop */ 173902ac6454SAndrew Thompson case UR_SET_DESCRIPTOR: 174002ac6454SAndrew Thompson goto tr_valid; /* nop */ 174102ac6454SAndrew Thompson case UR_SET_FEATURE: 174202ac6454SAndrew Thompson default: 174302ac6454SAndrew Thompson goto tr_stalled; 174402ac6454SAndrew Thompson } 174502ac6454SAndrew Thompson break; 174602ac6454SAndrew Thompson 174702ac6454SAndrew Thompson case UT_WRITE_ENDPOINT: 174802ac6454SAndrew Thompson switch (std->req.bRequest) { 174902ac6454SAndrew Thompson case UR_CLEAR_FEATURE: 175002ac6454SAndrew Thompson switch (UGETW(std->req.wValue)) { 175102ac6454SAndrew Thompson case UF_ENDPOINT_HALT: 175202ac6454SAndrew Thompson goto tr_handle_clear_halt; 175302ac6454SAndrew Thompson case UF_DEVICE_REMOTE_WAKEUP: 175402ac6454SAndrew Thompson goto tr_handle_clear_wakeup; 175502ac6454SAndrew Thompson default: 175602ac6454SAndrew Thompson goto tr_stalled; 175702ac6454SAndrew Thompson } 175802ac6454SAndrew Thompson break; 175902ac6454SAndrew Thompson case UR_SET_FEATURE: 176002ac6454SAndrew Thompson switch (UGETW(std->req.wValue)) { 176102ac6454SAndrew Thompson case UF_ENDPOINT_HALT: 176202ac6454SAndrew Thompson goto tr_handle_set_halt; 176302ac6454SAndrew Thompson case UF_DEVICE_REMOTE_WAKEUP: 176402ac6454SAndrew Thompson goto tr_handle_set_wakeup; 176502ac6454SAndrew Thompson default: 176602ac6454SAndrew Thompson goto tr_stalled; 176702ac6454SAndrew Thompson } 176802ac6454SAndrew Thompson break; 176902ac6454SAndrew Thompson case UR_SYNCH_FRAME: 177002ac6454SAndrew Thompson goto tr_valid; /* nop */ 177102ac6454SAndrew Thompson default: 177202ac6454SAndrew Thompson goto tr_stalled; 177302ac6454SAndrew Thompson } 177402ac6454SAndrew Thompson break; 177502ac6454SAndrew Thompson 177602ac6454SAndrew Thompson case UT_READ_ENDPOINT: 177702ac6454SAndrew Thompson switch (std->req.bRequest) { 177802ac6454SAndrew Thompson case UR_GET_STATUS: 177902ac6454SAndrew Thompson goto tr_handle_get_ep_status; 178002ac6454SAndrew Thompson default: 178102ac6454SAndrew Thompson goto tr_stalled; 178202ac6454SAndrew Thompson } 178302ac6454SAndrew Thompson break; 178402ac6454SAndrew Thompson 178502ac6454SAndrew Thompson case UT_WRITE_INTERFACE: 178602ac6454SAndrew Thompson switch (std->req.bRequest) { 178702ac6454SAndrew Thompson case UR_SET_INTERFACE: 178802ac6454SAndrew Thompson goto tr_handle_set_interface; 178902ac6454SAndrew Thompson case UR_CLEAR_FEATURE: 179002ac6454SAndrew Thompson goto tr_valid; /* nop */ 179102ac6454SAndrew Thompson case UR_SET_FEATURE: 179202ac6454SAndrew Thompson default: 179302ac6454SAndrew Thompson goto tr_stalled; 179402ac6454SAndrew Thompson } 179502ac6454SAndrew Thompson break; 179602ac6454SAndrew Thompson 179702ac6454SAndrew Thompson case UT_READ_INTERFACE: 179802ac6454SAndrew Thompson switch (std->req.bRequest) { 179902ac6454SAndrew Thompson case UR_GET_INTERFACE: 180002ac6454SAndrew Thompson goto tr_handle_get_interface; 180102ac6454SAndrew Thompson case UR_GET_STATUS: 180202ac6454SAndrew Thompson goto tr_handle_get_iface_status; 180302ac6454SAndrew Thompson default: 180402ac6454SAndrew Thompson goto tr_stalled; 180502ac6454SAndrew Thompson } 180602ac6454SAndrew Thompson break; 180702ac6454SAndrew Thompson 180802ac6454SAndrew Thompson case UT_WRITE_CLASS_INTERFACE: 180902ac6454SAndrew Thompson case UT_WRITE_VENDOR_INTERFACE: 181002ac6454SAndrew Thompson /* XXX forward */ 181102ac6454SAndrew Thompson break; 181202ac6454SAndrew Thompson 181302ac6454SAndrew Thompson case UT_READ_CLASS_INTERFACE: 181402ac6454SAndrew Thompson case UT_READ_VENDOR_INTERFACE: 181502ac6454SAndrew Thompson /* XXX forward */ 181602ac6454SAndrew Thompson break; 181702ac6454SAndrew Thompson 181802ac6454SAndrew Thompson case UT_WRITE_CLASS_DEVICE: 181902ac6454SAndrew Thompson switch (std->req.bRequest) { 182002ac6454SAndrew Thompson case UR_CLEAR_FEATURE: 182102ac6454SAndrew Thompson goto tr_valid; 182202ac6454SAndrew Thompson case UR_SET_DESCRIPTOR: 182302ac6454SAndrew Thompson case UR_SET_FEATURE: 182402ac6454SAndrew Thompson break; 182502ac6454SAndrew Thompson default: 182602ac6454SAndrew Thompson goto tr_stalled; 182702ac6454SAndrew Thompson } 182802ac6454SAndrew Thompson break; 182902ac6454SAndrew Thompson 183002ac6454SAndrew Thompson case UT_WRITE_CLASS_OTHER: 183102ac6454SAndrew Thompson switch (std->req.bRequest) { 183202ac6454SAndrew Thompson case UR_CLEAR_FEATURE: 183302ac6454SAndrew Thompson goto tr_handle_clear_port_feature; 183402ac6454SAndrew Thompson case UR_SET_FEATURE: 183502ac6454SAndrew Thompson goto tr_handle_set_port_feature; 183602ac6454SAndrew Thompson case UR_CLEAR_TT_BUFFER: 183702ac6454SAndrew Thompson case UR_RESET_TT: 183802ac6454SAndrew Thompson case UR_STOP_TT: 183902ac6454SAndrew Thompson goto tr_valid; 184002ac6454SAndrew Thompson 184102ac6454SAndrew Thompson default: 184202ac6454SAndrew Thompson goto tr_stalled; 184302ac6454SAndrew Thompson } 184402ac6454SAndrew Thompson break; 184502ac6454SAndrew Thompson 184602ac6454SAndrew Thompson case UT_READ_CLASS_OTHER: 184702ac6454SAndrew Thompson switch (std->req.bRequest) { 184802ac6454SAndrew Thompson case UR_GET_TT_STATE: 184902ac6454SAndrew Thompson goto tr_handle_get_tt_state; 185002ac6454SAndrew Thompson case UR_GET_STATUS: 185102ac6454SAndrew Thompson goto tr_handle_get_port_status; 185202ac6454SAndrew Thompson default: 185302ac6454SAndrew Thompson goto tr_stalled; 185402ac6454SAndrew Thompson } 185502ac6454SAndrew Thompson break; 185602ac6454SAndrew Thompson 185702ac6454SAndrew Thompson case UT_READ_CLASS_DEVICE: 185802ac6454SAndrew Thompson switch (std->req.bRequest) { 185902ac6454SAndrew Thompson case UR_GET_DESCRIPTOR: 186002ac6454SAndrew Thompson goto tr_handle_get_class_descriptor; 186102ac6454SAndrew Thompson case UR_GET_STATUS: 186202ac6454SAndrew Thompson goto tr_handle_get_class_status; 186302ac6454SAndrew Thompson 186402ac6454SAndrew Thompson default: 186502ac6454SAndrew Thompson goto tr_stalled; 186602ac6454SAndrew Thompson } 186702ac6454SAndrew Thompson break; 186802ac6454SAndrew Thompson default: 186902ac6454SAndrew Thompson goto tr_stalled; 187002ac6454SAndrew Thompson } 187102ac6454SAndrew Thompson goto tr_valid; 187202ac6454SAndrew Thompson 187302ac6454SAndrew Thompson tr_handle_get_descriptor: 187402ac6454SAndrew Thompson switch (value >> 8) { 187502ac6454SAndrew Thompson case UDESC_DEVICE: 187602ac6454SAndrew Thompson if (value & 0xff) { 187702ac6454SAndrew Thompson goto tr_stalled; 187802ac6454SAndrew Thompson } 187902ac6454SAndrew Thompson std->len = sizeof(atmegadci_devd); 188002ac6454SAndrew Thompson std->ptr = USB_ADD_BYTES(&atmegadci_devd, 0); 188102ac6454SAndrew Thompson goto tr_valid; 188202ac6454SAndrew Thompson case UDESC_CONFIG: 188302ac6454SAndrew Thompson if (value & 0xff) { 188402ac6454SAndrew Thompson goto tr_stalled; 188502ac6454SAndrew Thompson } 188602ac6454SAndrew Thompson std->len = sizeof(atmegadci_confd); 188702ac6454SAndrew Thompson std->ptr = USB_ADD_BYTES(&atmegadci_confd, 0); 188802ac6454SAndrew Thompson goto tr_valid; 188902ac6454SAndrew Thompson case UDESC_STRING: 189002ac6454SAndrew Thompson switch (value & 0xff) { 189102ac6454SAndrew Thompson case 0: /* Language table */ 189202ac6454SAndrew Thompson std->len = sizeof(atmegadci_langtab); 189302ac6454SAndrew Thompson std->ptr = USB_ADD_BYTES(&atmegadci_langtab, 0); 189402ac6454SAndrew Thompson goto tr_valid; 189502ac6454SAndrew Thompson 189602ac6454SAndrew Thompson case 1: /* Vendor */ 189702ac6454SAndrew Thompson std->len = sizeof(atmegadci_vendor); 189802ac6454SAndrew Thompson std->ptr = USB_ADD_BYTES(&atmegadci_vendor, 0); 189902ac6454SAndrew Thompson goto tr_valid; 190002ac6454SAndrew Thompson 190102ac6454SAndrew Thompson case 2: /* Product */ 190202ac6454SAndrew Thompson std->len = sizeof(atmegadci_product); 190302ac6454SAndrew Thompson std->ptr = USB_ADD_BYTES(&atmegadci_product, 0); 190402ac6454SAndrew Thompson goto tr_valid; 190502ac6454SAndrew Thompson default: 190602ac6454SAndrew Thompson break; 190702ac6454SAndrew Thompson } 190802ac6454SAndrew Thompson break; 190902ac6454SAndrew Thompson default: 191002ac6454SAndrew Thompson goto tr_stalled; 191102ac6454SAndrew Thompson } 191202ac6454SAndrew Thompson goto tr_stalled; 191302ac6454SAndrew Thompson 191402ac6454SAndrew Thompson tr_handle_get_config: 191502ac6454SAndrew Thompson std->len = 1; 191602ac6454SAndrew Thompson sc->sc_hub_temp.wValue[0] = sc->sc_conf; 191702ac6454SAndrew Thompson goto tr_valid; 191802ac6454SAndrew Thompson 191902ac6454SAndrew Thompson tr_handle_get_status: 192002ac6454SAndrew Thompson std->len = 2; 192102ac6454SAndrew Thompson USETW(sc->sc_hub_temp.wValue, UDS_SELF_POWERED); 192202ac6454SAndrew Thompson goto tr_valid; 192302ac6454SAndrew Thompson 192402ac6454SAndrew Thompson tr_handle_set_address: 192502ac6454SAndrew Thompson if (value & 0xFF00) { 192602ac6454SAndrew Thompson goto tr_stalled; 192702ac6454SAndrew Thompson } 192802ac6454SAndrew Thompson sc->sc_rt_addr = value; 192902ac6454SAndrew Thompson goto tr_valid; 193002ac6454SAndrew Thompson 193102ac6454SAndrew Thompson tr_handle_set_config: 193202ac6454SAndrew Thompson if (value >= 2) { 193302ac6454SAndrew Thompson goto tr_stalled; 193402ac6454SAndrew Thompson } 193502ac6454SAndrew Thompson sc->sc_conf = value; 193602ac6454SAndrew Thompson goto tr_valid; 193702ac6454SAndrew Thompson 193802ac6454SAndrew Thompson tr_handle_get_interface: 193902ac6454SAndrew Thompson std->len = 1; 194002ac6454SAndrew Thompson sc->sc_hub_temp.wValue[0] = 0; 194102ac6454SAndrew Thompson goto tr_valid; 194202ac6454SAndrew Thompson 194302ac6454SAndrew Thompson tr_handle_get_tt_state: 194402ac6454SAndrew Thompson tr_handle_get_class_status: 194502ac6454SAndrew Thompson tr_handle_get_iface_status: 194602ac6454SAndrew Thompson tr_handle_get_ep_status: 194702ac6454SAndrew Thompson std->len = 2; 194802ac6454SAndrew Thompson USETW(sc->sc_hub_temp.wValue, 0); 194902ac6454SAndrew Thompson goto tr_valid; 195002ac6454SAndrew Thompson 195102ac6454SAndrew Thompson tr_handle_set_halt: 195202ac6454SAndrew Thompson tr_handle_set_interface: 195302ac6454SAndrew Thompson tr_handle_set_wakeup: 195402ac6454SAndrew Thompson tr_handle_clear_wakeup: 195502ac6454SAndrew Thompson tr_handle_clear_halt: 195602ac6454SAndrew Thompson goto tr_valid; 195702ac6454SAndrew Thompson 195802ac6454SAndrew Thompson tr_handle_clear_port_feature: 195902ac6454SAndrew Thompson if (index != 1) { 196002ac6454SAndrew Thompson goto tr_stalled; 196102ac6454SAndrew Thompson } 196202ac6454SAndrew Thompson DPRINTFN(9, "UR_CLEAR_PORT_FEATURE on port %d\n", index); 196302ac6454SAndrew Thompson 196402ac6454SAndrew Thompson switch (value) { 196502ac6454SAndrew Thompson case UHF_PORT_SUSPEND: 196602ac6454SAndrew Thompson atmegadci_wakeup_peer(xfer); 196702ac6454SAndrew Thompson break; 196802ac6454SAndrew Thompson 196902ac6454SAndrew Thompson case UHF_PORT_ENABLE: 197002ac6454SAndrew Thompson sc->sc_flags.port_enabled = 0; 197102ac6454SAndrew Thompson break; 197202ac6454SAndrew Thompson 197302ac6454SAndrew Thompson case UHF_PORT_TEST: 197402ac6454SAndrew Thompson case UHF_PORT_INDICATOR: 197502ac6454SAndrew Thompson case UHF_C_PORT_ENABLE: 197602ac6454SAndrew Thompson case UHF_C_PORT_OVER_CURRENT: 197702ac6454SAndrew Thompson case UHF_C_PORT_RESET: 197802ac6454SAndrew Thompson /* nops */ 197902ac6454SAndrew Thompson break; 198002ac6454SAndrew Thompson case UHF_PORT_POWER: 198102ac6454SAndrew Thompson sc->sc_flags.port_powered = 0; 198202ac6454SAndrew Thompson atmegadci_pull_down(sc); 198302ac6454SAndrew Thompson atmegadci_clocks_off(sc); 198402ac6454SAndrew Thompson break; 198502ac6454SAndrew Thompson case UHF_C_PORT_CONNECTION: 1986d59dbd0aSAndrew Thompson /* clear connect change flag */ 198702ac6454SAndrew Thompson sc->sc_flags.change_connect = 0; 1988d59dbd0aSAndrew Thompson 1989d59dbd0aSAndrew Thompson /* configure the control endpoint */ 1990d59dbd0aSAndrew Thompson 1991d59dbd0aSAndrew Thompson /* select endpoint number */ 1992d59dbd0aSAndrew Thompson ATMEGA_WRITE_1(sc, ATMEGA_UENUM, 0); 1993d59dbd0aSAndrew Thompson 1994d59dbd0aSAndrew Thompson /* set endpoint reset */ 1995d59dbd0aSAndrew Thompson ATMEGA_WRITE_1(sc, ATMEGA_UERST, ATMEGA_UERST_MASK(0)); 1996d59dbd0aSAndrew Thompson 1997d59dbd0aSAndrew Thompson /* clear endpoint reset */ 1998d59dbd0aSAndrew Thompson ATMEGA_WRITE_1(sc, ATMEGA_UERST, 0); 1999d59dbd0aSAndrew Thompson 2000d59dbd0aSAndrew Thompson /* enable and stall endpoint */ 2001d59dbd0aSAndrew Thompson ATMEGA_WRITE_1(sc, ATMEGA_UECONX, 2002d59dbd0aSAndrew Thompson ATMEGA_UECONX_EPEN | 2003d59dbd0aSAndrew Thompson ATMEGA_UECONX_STALLRQ); 2004d59dbd0aSAndrew Thompson 2005d59dbd0aSAndrew Thompson /* one bank, 64-bytes wMaxPacket */ 2006d59dbd0aSAndrew Thompson ATMEGA_WRITE_1(sc, ATMEGA_UECFG0X, 2007d59dbd0aSAndrew Thompson ATMEGA_UECFG0X_EPTYPE0); 2008d59dbd0aSAndrew Thompson ATMEGA_WRITE_1(sc, ATMEGA_UECFG1X, 2009d59dbd0aSAndrew Thompson ATMEGA_UECFG1X_ALLOC | 2010d59dbd0aSAndrew Thompson ATMEGA_UECFG1X_EPBK0 | 2011d59dbd0aSAndrew Thompson ATMEGA_UECFG1X_EPSIZE(3)); 2012d59dbd0aSAndrew Thompson 2013d59dbd0aSAndrew Thompson /* check valid config */ 2014d59dbd0aSAndrew Thompson temp = ATMEGA_READ_1(sc, ATMEGA_UESTA0X); 2015d59dbd0aSAndrew Thompson if (!(temp & ATMEGA_UESTA0X_CFGOK)) { 2016d59dbd0aSAndrew Thompson DPRINTFN(0, "Chip rejected EP0 configuration\n"); 2017d59dbd0aSAndrew Thompson } 201802ac6454SAndrew Thompson break; 201902ac6454SAndrew Thompson case UHF_C_PORT_SUSPEND: 202002ac6454SAndrew Thompson sc->sc_flags.change_suspend = 0; 202102ac6454SAndrew Thompson break; 202202ac6454SAndrew Thompson default: 202302ac6454SAndrew Thompson std->err = USB_ERR_IOERROR; 202402ac6454SAndrew Thompson goto done; 202502ac6454SAndrew Thompson } 202602ac6454SAndrew Thompson goto tr_valid; 202702ac6454SAndrew Thompson 202802ac6454SAndrew Thompson tr_handle_set_port_feature: 202902ac6454SAndrew Thompson if (index != 1) { 203002ac6454SAndrew Thompson goto tr_stalled; 203102ac6454SAndrew Thompson } 203202ac6454SAndrew Thompson DPRINTFN(9, "UR_SET_PORT_FEATURE\n"); 203302ac6454SAndrew Thompson 203402ac6454SAndrew Thompson switch (value) { 203502ac6454SAndrew Thompson case UHF_PORT_ENABLE: 203602ac6454SAndrew Thompson sc->sc_flags.port_enabled = 1; 203702ac6454SAndrew Thompson break; 203802ac6454SAndrew Thompson case UHF_PORT_SUSPEND: 203902ac6454SAndrew Thompson case UHF_PORT_RESET: 204002ac6454SAndrew Thompson case UHF_PORT_TEST: 204102ac6454SAndrew Thompson case UHF_PORT_INDICATOR: 204202ac6454SAndrew Thompson /* nops */ 204302ac6454SAndrew Thompson break; 204402ac6454SAndrew Thompson case UHF_PORT_POWER: 204502ac6454SAndrew Thompson sc->sc_flags.port_powered = 1; 204602ac6454SAndrew Thompson break; 204702ac6454SAndrew Thompson default: 204802ac6454SAndrew Thompson std->err = USB_ERR_IOERROR; 204902ac6454SAndrew Thompson goto done; 205002ac6454SAndrew Thompson } 205102ac6454SAndrew Thompson goto tr_valid; 205202ac6454SAndrew Thompson 205302ac6454SAndrew Thompson tr_handle_get_port_status: 205402ac6454SAndrew Thompson 205502ac6454SAndrew Thompson DPRINTFN(9, "UR_GET_PORT_STATUS\n"); 205602ac6454SAndrew Thompson 205702ac6454SAndrew Thompson if (index != 1) { 205802ac6454SAndrew Thompson goto tr_stalled; 205902ac6454SAndrew Thompson } 206002ac6454SAndrew Thompson if (sc->sc_flags.status_vbus) { 206102ac6454SAndrew Thompson atmegadci_clocks_on(sc); 206202ac6454SAndrew Thompson atmegadci_pull_up(sc); 206302ac6454SAndrew Thompson } else { 206402ac6454SAndrew Thompson atmegadci_pull_down(sc); 206502ac6454SAndrew Thompson atmegadci_clocks_off(sc); 206602ac6454SAndrew Thompson } 206702ac6454SAndrew Thompson 206802ac6454SAndrew Thompson /* Select FULL-speed and Device Side Mode */ 206902ac6454SAndrew Thompson 207002ac6454SAndrew Thompson value = UPS_PORT_MODE_DEVICE; 207102ac6454SAndrew Thompson 207202ac6454SAndrew Thompson if (sc->sc_flags.port_powered) { 207302ac6454SAndrew Thompson value |= UPS_PORT_POWER; 207402ac6454SAndrew Thompson } 207502ac6454SAndrew Thompson if (sc->sc_flags.port_enabled) { 207602ac6454SAndrew Thompson value |= UPS_PORT_ENABLED; 207702ac6454SAndrew Thompson } 207802ac6454SAndrew Thompson if (sc->sc_flags.status_vbus && 207902ac6454SAndrew Thompson sc->sc_flags.status_bus_reset) { 208002ac6454SAndrew Thompson value |= UPS_CURRENT_CONNECT_STATUS; 208102ac6454SAndrew Thompson } 208202ac6454SAndrew Thompson if (sc->sc_flags.status_suspend) { 208302ac6454SAndrew Thompson value |= UPS_SUSPEND; 208402ac6454SAndrew Thompson } 208502ac6454SAndrew Thompson USETW(sc->sc_hub_temp.ps.wPortStatus, value); 208602ac6454SAndrew Thompson 208702ac6454SAndrew Thompson value = 0; 208802ac6454SAndrew Thompson 208902ac6454SAndrew Thompson if (sc->sc_flags.change_connect) { 209002ac6454SAndrew Thompson value |= UPS_C_CONNECT_STATUS; 209102ac6454SAndrew Thompson } 209202ac6454SAndrew Thompson if (sc->sc_flags.change_suspend) { 209302ac6454SAndrew Thompson value |= UPS_C_SUSPEND; 209402ac6454SAndrew Thompson } 209502ac6454SAndrew Thompson USETW(sc->sc_hub_temp.ps.wPortChange, value); 209602ac6454SAndrew Thompson std->len = sizeof(sc->sc_hub_temp.ps); 209702ac6454SAndrew Thompson goto tr_valid; 209802ac6454SAndrew Thompson 209902ac6454SAndrew Thompson tr_handle_get_class_descriptor: 210002ac6454SAndrew Thompson if (value & 0xFF) { 210102ac6454SAndrew Thompson goto tr_stalled; 210202ac6454SAndrew Thompson } 210302ac6454SAndrew Thompson std->ptr = USB_ADD_BYTES(&atmegadci_hubd, 0); 210402ac6454SAndrew Thompson std->len = sizeof(atmegadci_hubd); 210502ac6454SAndrew Thompson goto tr_valid; 210602ac6454SAndrew Thompson 210702ac6454SAndrew Thompson tr_stalled: 210802ac6454SAndrew Thompson std->err = USB_ERR_STALLED; 210902ac6454SAndrew Thompson tr_valid: 211002ac6454SAndrew Thompson done: 211102ac6454SAndrew Thompson return; 211202ac6454SAndrew Thompson } 211302ac6454SAndrew Thompson 211402ac6454SAndrew Thompson static void 211502ac6454SAndrew Thompson atmegadci_root_ctrl_poll(struct atmegadci_softc *sc) 211602ac6454SAndrew Thompson { 211702ac6454SAndrew Thompson usb2_sw_transfer(&sc->sc_root_ctrl, 211802ac6454SAndrew Thompson &atmegadci_root_ctrl_done); 211902ac6454SAndrew Thompson } 212002ac6454SAndrew Thompson 212102ac6454SAndrew Thompson struct usb2_pipe_methods atmegadci_root_ctrl_methods = 212202ac6454SAndrew Thompson { 212302ac6454SAndrew Thompson .open = atmegadci_root_ctrl_open, 212402ac6454SAndrew Thompson .close = atmegadci_root_ctrl_close, 212502ac6454SAndrew Thompson .enter = atmegadci_root_ctrl_enter, 212602ac6454SAndrew Thompson .start = atmegadci_root_ctrl_start, 212702ac6454SAndrew Thompson .enter_is_cancelable = 1, 212802ac6454SAndrew Thompson .start_is_cancelable = 0, 212902ac6454SAndrew Thompson }; 213002ac6454SAndrew Thompson 213102ac6454SAndrew Thompson /*------------------------------------------------------------------------* 213202ac6454SAndrew Thompson * at91dci root interrupt support 213302ac6454SAndrew Thompson *------------------------------------------------------------------------*/ 213402ac6454SAndrew Thompson static void 213502ac6454SAndrew Thompson atmegadci_root_intr_open(struct usb2_xfer *xfer) 213602ac6454SAndrew Thompson { 213702ac6454SAndrew Thompson return; 213802ac6454SAndrew Thompson } 213902ac6454SAndrew Thompson 214002ac6454SAndrew Thompson static void 214102ac6454SAndrew Thompson atmegadci_root_intr_close(struct usb2_xfer *xfer) 214202ac6454SAndrew Thompson { 214302ac6454SAndrew Thompson struct atmegadci_softc *sc = ATMEGA_BUS2SC(xfer->xroot->bus); 214402ac6454SAndrew Thompson 214502ac6454SAndrew Thompson if (sc->sc_root_intr.xfer == xfer) { 214602ac6454SAndrew Thompson sc->sc_root_intr.xfer = NULL; 214702ac6454SAndrew Thompson } 214802ac6454SAndrew Thompson atmegadci_device_done(xfer, USB_ERR_CANCELLED); 214902ac6454SAndrew Thompson } 215002ac6454SAndrew Thompson 215102ac6454SAndrew Thompson static void 215202ac6454SAndrew Thompson atmegadci_root_intr_enter(struct usb2_xfer *xfer) 215302ac6454SAndrew Thompson { 215402ac6454SAndrew Thompson return; 215502ac6454SAndrew Thompson } 215602ac6454SAndrew Thompson 215702ac6454SAndrew Thompson static void 215802ac6454SAndrew Thompson atmegadci_root_intr_start(struct usb2_xfer *xfer) 215902ac6454SAndrew Thompson { 216002ac6454SAndrew Thompson struct atmegadci_softc *sc = ATMEGA_BUS2SC(xfer->xroot->bus); 216102ac6454SAndrew Thompson 216202ac6454SAndrew Thompson sc->sc_root_intr.xfer = xfer; 216302ac6454SAndrew Thompson } 216402ac6454SAndrew Thompson 216502ac6454SAndrew Thompson struct usb2_pipe_methods atmegadci_root_intr_methods = 216602ac6454SAndrew Thompson { 216702ac6454SAndrew Thompson .open = atmegadci_root_intr_open, 216802ac6454SAndrew Thompson .close = atmegadci_root_intr_close, 216902ac6454SAndrew Thompson .enter = atmegadci_root_intr_enter, 217002ac6454SAndrew Thompson .start = atmegadci_root_intr_start, 217102ac6454SAndrew Thompson .enter_is_cancelable = 1, 217202ac6454SAndrew Thompson .start_is_cancelable = 1, 217302ac6454SAndrew Thompson }; 217402ac6454SAndrew Thompson 217502ac6454SAndrew Thompson static void 217602ac6454SAndrew Thompson atmegadci_xfer_setup(struct usb2_setup_params *parm) 217702ac6454SAndrew Thompson { 217802ac6454SAndrew Thompson const struct usb2_hw_ep_profile *pf; 217902ac6454SAndrew Thompson struct atmegadci_softc *sc; 218002ac6454SAndrew Thompson struct usb2_xfer *xfer; 218102ac6454SAndrew Thompson void *last_obj; 218202ac6454SAndrew Thompson uint32_t ntd; 218302ac6454SAndrew Thompson uint32_t n; 218402ac6454SAndrew Thompson uint8_t ep_no; 218502ac6454SAndrew Thompson 218602ac6454SAndrew Thompson sc = ATMEGA_BUS2SC(parm->udev->bus); 218702ac6454SAndrew Thompson xfer = parm->curr_xfer; 218802ac6454SAndrew Thompson 218902ac6454SAndrew Thompson /* 219002ac6454SAndrew Thompson * NOTE: This driver does not use any of the parameters that 219102ac6454SAndrew Thompson * are computed from the following values. Just set some 219202ac6454SAndrew Thompson * reasonable dummies: 219302ac6454SAndrew Thompson */ 219402ac6454SAndrew Thompson parm->hc_max_packet_size = 0x500; 219502ac6454SAndrew Thompson parm->hc_max_packet_count = 1; 219602ac6454SAndrew Thompson parm->hc_max_frame_size = 0x500; 219702ac6454SAndrew Thompson 219802ac6454SAndrew Thompson usb2_transfer_setup_sub(parm); 219902ac6454SAndrew Thompson 220002ac6454SAndrew Thompson /* 220102ac6454SAndrew Thompson * compute maximum number of TDs 220202ac6454SAndrew Thompson */ 220302ac6454SAndrew Thompson if (parm->methods == &atmegadci_device_ctrl_methods) { 220402ac6454SAndrew Thompson 220502ac6454SAndrew Thompson ntd = xfer->nframes + 1 /* STATUS */ + 1 /* SYNC 1 */ 220602ac6454SAndrew Thompson + 1 /* SYNC 2 */ ; 220702ac6454SAndrew Thompson 220802ac6454SAndrew Thompson } else if (parm->methods == &atmegadci_device_bulk_methods) { 220902ac6454SAndrew Thompson 221002ac6454SAndrew Thompson ntd = xfer->nframes + 1 /* SYNC */ ; 221102ac6454SAndrew Thompson 221202ac6454SAndrew Thompson } else if (parm->methods == &atmegadci_device_intr_methods) { 221302ac6454SAndrew Thompson 221402ac6454SAndrew Thompson ntd = xfer->nframes + 1 /* SYNC */ ; 221502ac6454SAndrew Thompson 221602ac6454SAndrew Thompson } else if (parm->methods == &atmegadci_device_isoc_fs_methods) { 221702ac6454SAndrew Thompson 221802ac6454SAndrew Thompson ntd = xfer->nframes + 1 /* SYNC */ ; 221902ac6454SAndrew Thompson 222002ac6454SAndrew Thompson } else { 222102ac6454SAndrew Thompson 222202ac6454SAndrew Thompson ntd = 0; 222302ac6454SAndrew Thompson } 222402ac6454SAndrew Thompson 222502ac6454SAndrew Thompson /* 222602ac6454SAndrew Thompson * check if "usb2_transfer_setup_sub" set an error 222702ac6454SAndrew Thompson */ 222802ac6454SAndrew Thompson if (parm->err) { 222902ac6454SAndrew Thompson return; 223002ac6454SAndrew Thompson } 223102ac6454SAndrew Thompson /* 223202ac6454SAndrew Thompson * allocate transfer descriptors 223302ac6454SAndrew Thompson */ 223402ac6454SAndrew Thompson last_obj = NULL; 223502ac6454SAndrew Thompson 223602ac6454SAndrew Thompson /* 223702ac6454SAndrew Thompson * get profile stuff 223802ac6454SAndrew Thompson */ 223902ac6454SAndrew Thompson if (ntd) { 224002ac6454SAndrew Thompson 224102ac6454SAndrew Thompson ep_no = xfer->endpoint & UE_ADDR; 224202ac6454SAndrew Thompson atmegadci_get_hw_ep_profile(parm->udev, &pf, ep_no); 224302ac6454SAndrew Thompson 224402ac6454SAndrew Thompson if (pf == NULL) { 224502ac6454SAndrew Thompson /* should not happen */ 224602ac6454SAndrew Thompson parm->err = USB_ERR_INVAL; 224702ac6454SAndrew Thompson return; 224802ac6454SAndrew Thompson } 224902ac6454SAndrew Thompson } else { 225002ac6454SAndrew Thompson ep_no = 0; 225102ac6454SAndrew Thompson pf = NULL; 225202ac6454SAndrew Thompson } 225302ac6454SAndrew Thompson 225402ac6454SAndrew Thompson /* align data */ 225502ac6454SAndrew Thompson parm->size[0] += ((-parm->size[0]) & (USB_HOST_ALIGN - 1)); 225602ac6454SAndrew Thompson 225702ac6454SAndrew Thompson for (n = 0; n != ntd; n++) { 225802ac6454SAndrew Thompson 225902ac6454SAndrew Thompson struct atmegadci_td *td; 226002ac6454SAndrew Thompson 226102ac6454SAndrew Thompson if (parm->buf) { 226202ac6454SAndrew Thompson 226302ac6454SAndrew Thompson td = USB_ADD_BYTES(parm->buf, parm->size[0]); 226402ac6454SAndrew Thompson 226502ac6454SAndrew Thompson /* init TD */ 226602ac6454SAndrew Thompson td->max_packet_size = xfer->max_packet_size; 226702ac6454SAndrew Thompson td->ep_no = ep_no; 226802ac6454SAndrew Thompson if (pf->support_multi_buffer) { 226902ac6454SAndrew Thompson td->support_multi_buffer = 1; 227002ac6454SAndrew Thompson } 227102ac6454SAndrew Thompson td->obj_next = last_obj; 227202ac6454SAndrew Thompson 227302ac6454SAndrew Thompson last_obj = td; 227402ac6454SAndrew Thompson } 227502ac6454SAndrew Thompson parm->size[0] += sizeof(*td); 227602ac6454SAndrew Thompson } 227702ac6454SAndrew Thompson 227802ac6454SAndrew Thompson xfer->td_start[0] = last_obj; 227902ac6454SAndrew Thompson } 228002ac6454SAndrew Thompson 228102ac6454SAndrew Thompson static void 228202ac6454SAndrew Thompson atmegadci_xfer_unsetup(struct usb2_xfer *xfer) 228302ac6454SAndrew Thompson { 228402ac6454SAndrew Thompson return; 228502ac6454SAndrew Thompson } 228602ac6454SAndrew Thompson 228702ac6454SAndrew Thompson static void 228802ac6454SAndrew Thompson atmegadci_pipe_init(struct usb2_device *udev, struct usb2_endpoint_descriptor *edesc, 228902ac6454SAndrew Thompson struct usb2_pipe *pipe) 229002ac6454SAndrew Thompson { 229102ac6454SAndrew Thompson struct atmegadci_softc *sc = ATMEGA_BUS2SC(udev->bus); 229202ac6454SAndrew Thompson 2293d59dbd0aSAndrew Thompson DPRINTFN(2, "pipe=%p, addr=%d, endpt=%d, mode=%d (%d,%d)\n", 229402ac6454SAndrew Thompson pipe, udev->address, 229502ac6454SAndrew Thompson edesc->bEndpointAddress, udev->flags.usb2_mode, 2296d59dbd0aSAndrew Thompson sc->sc_rt_addr, udev->device_index); 229702ac6454SAndrew Thompson 229802ac6454SAndrew Thompson if (udev->device_index == sc->sc_rt_addr) { 229902ac6454SAndrew Thompson 230002ac6454SAndrew Thompson if (udev->flags.usb2_mode != USB_MODE_HOST) { 230102ac6454SAndrew Thompson /* not supported */ 230202ac6454SAndrew Thompson return; 230302ac6454SAndrew Thompson } 230402ac6454SAndrew Thompson switch (edesc->bEndpointAddress) { 230502ac6454SAndrew Thompson case USB_CONTROL_ENDPOINT: 230602ac6454SAndrew Thompson pipe->methods = &atmegadci_root_ctrl_methods; 230702ac6454SAndrew Thompson break; 230802ac6454SAndrew Thompson case UE_DIR_IN | ATMEGA_INTR_ENDPT: 230902ac6454SAndrew Thompson pipe->methods = &atmegadci_root_intr_methods; 231002ac6454SAndrew Thompson break; 231102ac6454SAndrew Thompson default: 231202ac6454SAndrew Thompson /* do nothing */ 231302ac6454SAndrew Thompson break; 231402ac6454SAndrew Thompson } 231502ac6454SAndrew Thompson } else { 231602ac6454SAndrew Thompson 231702ac6454SAndrew Thompson if (udev->flags.usb2_mode != USB_MODE_DEVICE) { 231802ac6454SAndrew Thompson /* not supported */ 231902ac6454SAndrew Thompson return; 232002ac6454SAndrew Thompson } 232102ac6454SAndrew Thompson if (udev->speed != USB_SPEED_FULL) { 232202ac6454SAndrew Thompson /* not supported */ 232302ac6454SAndrew Thompson return; 232402ac6454SAndrew Thompson } 232502ac6454SAndrew Thompson switch (edesc->bmAttributes & UE_XFERTYPE) { 232602ac6454SAndrew Thompson case UE_CONTROL: 232702ac6454SAndrew Thompson pipe->methods = &atmegadci_device_ctrl_methods; 232802ac6454SAndrew Thompson break; 232902ac6454SAndrew Thompson case UE_INTERRUPT: 233002ac6454SAndrew Thompson pipe->methods = &atmegadci_device_intr_methods; 233102ac6454SAndrew Thompson break; 233202ac6454SAndrew Thompson case UE_ISOCHRONOUS: 233302ac6454SAndrew Thompson pipe->methods = &atmegadci_device_isoc_fs_methods; 233402ac6454SAndrew Thompson break; 233502ac6454SAndrew Thompson case UE_BULK: 233602ac6454SAndrew Thompson pipe->methods = &atmegadci_device_bulk_methods; 233702ac6454SAndrew Thompson break; 233802ac6454SAndrew Thompson default: 233902ac6454SAndrew Thompson /* do nothing */ 234002ac6454SAndrew Thompson break; 234102ac6454SAndrew Thompson } 234202ac6454SAndrew Thompson } 234302ac6454SAndrew Thompson } 234402ac6454SAndrew Thompson 234502ac6454SAndrew Thompson struct usb2_bus_methods atmegadci_bus_methods = 234602ac6454SAndrew Thompson { 234702ac6454SAndrew Thompson .pipe_init = &atmegadci_pipe_init, 234802ac6454SAndrew Thompson .xfer_setup = &atmegadci_xfer_setup, 234902ac6454SAndrew Thompson .xfer_unsetup = &atmegadci_xfer_unsetup, 235002ac6454SAndrew Thompson .get_hw_ep_profile = &atmegadci_get_hw_ep_profile, 235102ac6454SAndrew Thompson .set_stall = &atmegadci_set_stall, 235202ac6454SAndrew Thompson .clear_stall = &atmegadci_clear_stall, 235302ac6454SAndrew Thompson .roothub_exec = &atmegadci_root_ctrl_task, 235402ac6454SAndrew Thompson }; 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