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 /* 30fde87526SAndrew Thompson * This file contains the driver for the ATMEGA series USB OTG Controller. This 31fde87526SAndrew Thompson * driver currently only supports the DCI mode of the USB hardware. 3202ac6454SAndrew Thompson */ 3302ac6454SAndrew Thompson 3402ac6454SAndrew Thompson /* 3502ac6454SAndrew Thompson * NOTE: When the chip detects BUS-reset it will also reset the 3602ac6454SAndrew Thompson * endpoints, Function-address and more. 3702ac6454SAndrew Thompson */ 3802ac6454SAndrew Thompson 3902ac6454SAndrew Thompson #include <dev/usb/usb.h> 4002ac6454SAndrew Thompson #include <dev/usb/usb_mfunc.h> 4102ac6454SAndrew Thompson #include <dev/usb/usb_error.h> 4202ac6454SAndrew Thompson 4302ac6454SAndrew Thompson #define USB_DEBUG_VAR atmegadci_debug 4402ac6454SAndrew Thompson 4502ac6454SAndrew Thompson #include <dev/usb/usb_core.h> 4602ac6454SAndrew Thompson #include <dev/usb/usb_debug.h> 4702ac6454SAndrew Thompson #include <dev/usb/usb_busdma.h> 4802ac6454SAndrew Thompson #include <dev/usb/usb_process.h> 4902ac6454SAndrew Thompson #include <dev/usb/usb_sw_transfer.h> 5002ac6454SAndrew Thompson #include <dev/usb/usb_transfer.h> 5102ac6454SAndrew Thompson #include <dev/usb/usb_device.h> 5202ac6454SAndrew Thompson #include <dev/usb/usb_hub.h> 5302ac6454SAndrew Thompson #include <dev/usb/usb_util.h> 5402ac6454SAndrew Thompson 5502ac6454SAndrew Thompson #include <dev/usb/usb_controller.h> 5602ac6454SAndrew Thompson #include <dev/usb/usb_bus.h> 5702ac6454SAndrew Thompson #include <dev/usb/controller/atmegadci.h> 5802ac6454SAndrew Thompson 5902ac6454SAndrew Thompson #define ATMEGA_BUS2SC(bus) \ 6002ac6454SAndrew Thompson ((struct atmegadci_softc *)(((uint8_t *)(bus)) - \ 61578d0effSAndrew Thompson ((uint8_t *)&(((struct atmegadci_softc *)0)->sc_bus)))) 6202ac6454SAndrew Thompson 6302ac6454SAndrew Thompson #define ATMEGA_PC2SC(pc) \ 64bdc081c6SAndrew Thompson ATMEGA_BUS2SC(USB_DMATAG_TO_XROOT((pc)->tag_parent)->bus) 6502ac6454SAndrew Thompson 6602ac6454SAndrew Thompson #if USB_DEBUG 6702ac6454SAndrew Thompson static int atmegadci_debug = 0; 6802ac6454SAndrew Thompson 6902ac6454SAndrew Thompson SYSCTL_NODE(_hw_usb2, OID_AUTO, atmegadci, CTLFLAG_RW, 0, "USB ATMEGA DCI"); 7002ac6454SAndrew Thompson SYSCTL_INT(_hw_usb2_atmegadci, OID_AUTO, debug, CTLFLAG_RW, 7102ac6454SAndrew Thompson &atmegadci_debug, 0, "ATMEGA DCI debug level"); 7202ac6454SAndrew Thompson #endif 7302ac6454SAndrew Thompson 7402ac6454SAndrew Thompson #define ATMEGA_INTR_ENDPT 1 7502ac6454SAndrew Thompson 7602ac6454SAndrew Thompson /* prototypes */ 7702ac6454SAndrew Thompson 7802ac6454SAndrew Thompson struct usb2_bus_methods atmegadci_bus_methods; 793b01d513SAndrew Thompson struct usb2_pipe_methods atmegadci_device_non_isoc_methods; 8002ac6454SAndrew Thompson struct usb2_pipe_methods atmegadci_device_isoc_fs_methods; 8102ac6454SAndrew Thompson 8202ac6454SAndrew Thompson static atmegadci_cmd_t atmegadci_setup_rx; 8302ac6454SAndrew Thompson static atmegadci_cmd_t atmegadci_data_rx; 8402ac6454SAndrew Thompson static atmegadci_cmd_t atmegadci_data_tx; 8502ac6454SAndrew Thompson static atmegadci_cmd_t atmegadci_data_tx_sync; 8602ac6454SAndrew Thompson static void atmegadci_device_done(struct usb2_xfer *, usb2_error_t); 8702ac6454SAndrew Thompson static void atmegadci_do_poll(struct usb2_bus *); 8802ac6454SAndrew Thompson static void atmegadci_standard_done(struct usb2_xfer *); 8939307315SAndrew Thompson static void atmegadci_root_intr(struct atmegadci_softc *sc); 9002ac6454SAndrew Thompson 9102ac6454SAndrew Thompson /* 9202ac6454SAndrew Thompson * Here is a list of what the chip supports: 9302ac6454SAndrew Thompson */ 9402ac6454SAndrew Thompson static const struct usb2_hw_ep_profile 9502ac6454SAndrew Thompson atmegadci_ep_profile[2] = { 9602ac6454SAndrew Thompson 9702ac6454SAndrew Thompson [0] = { 9802ac6454SAndrew Thompson .max_in_frame_size = 64, 9902ac6454SAndrew Thompson .max_out_frame_size = 64, 10002ac6454SAndrew Thompson .is_simplex = 1, 10102ac6454SAndrew Thompson .support_control = 1, 10202ac6454SAndrew Thompson }, 10302ac6454SAndrew Thompson [1] = { 10402ac6454SAndrew Thompson .max_in_frame_size = 64, 10502ac6454SAndrew Thompson .max_out_frame_size = 64, 10602ac6454SAndrew Thompson .is_simplex = 1, 10702ac6454SAndrew Thompson .support_multi_buffer = 1, 10802ac6454SAndrew Thompson .support_bulk = 1, 10902ac6454SAndrew Thompson .support_interrupt = 1, 11002ac6454SAndrew Thompson .support_isochronous = 1, 11102ac6454SAndrew Thompson .support_in = 1, 11202ac6454SAndrew Thompson .support_out = 1, 11302ac6454SAndrew Thompson }, 11402ac6454SAndrew Thompson }; 11502ac6454SAndrew Thompson 11602ac6454SAndrew Thompson static void 11702ac6454SAndrew Thompson atmegadci_get_hw_ep_profile(struct usb2_device *udev, 11802ac6454SAndrew Thompson const struct usb2_hw_ep_profile **ppf, uint8_t ep_addr) 11902ac6454SAndrew Thompson { 12002ac6454SAndrew Thompson if (ep_addr == 0) 12102ac6454SAndrew Thompson *ppf = atmegadci_ep_profile; 12202ac6454SAndrew Thompson else if (ep_addr < ATMEGA_EP_MAX) 12302ac6454SAndrew Thompson *ppf = atmegadci_ep_profile + 1; 12402ac6454SAndrew Thompson else 12502ac6454SAndrew Thompson *ppf = NULL; 12602ac6454SAndrew Thompson } 12702ac6454SAndrew Thompson 12802ac6454SAndrew Thompson static void 12902ac6454SAndrew Thompson atmegadci_clocks_on(struct atmegadci_softc *sc) 13002ac6454SAndrew Thompson { 13102ac6454SAndrew Thompson if (sc->sc_flags.clocks_off && 13202ac6454SAndrew Thompson sc->sc_flags.port_powered) { 13302ac6454SAndrew Thompson 13402ac6454SAndrew Thompson DPRINTFN(5, "\n"); 13502ac6454SAndrew Thompson 13602ac6454SAndrew Thompson /* turn on clocks */ 13702ac6454SAndrew Thompson (sc->sc_clocks_on) (&sc->sc_bus); 13802ac6454SAndrew Thompson 13902ac6454SAndrew Thompson ATMEGA_WRITE_1(sc, ATMEGA_USBCON, 14002ac6454SAndrew Thompson ATMEGA_USBCON_USBE | 14102ac6454SAndrew Thompson ATMEGA_USBCON_OTGPADE | 14202ac6454SAndrew Thompson ATMEGA_USBCON_VBUSTE); 14302ac6454SAndrew Thompson 14402ac6454SAndrew Thompson sc->sc_flags.clocks_off = 0; 14502ac6454SAndrew Thompson 14602ac6454SAndrew Thompson /* enable transceiver ? */ 14702ac6454SAndrew Thompson } 14802ac6454SAndrew Thompson } 14902ac6454SAndrew Thompson 15002ac6454SAndrew Thompson static void 15102ac6454SAndrew Thompson atmegadci_clocks_off(struct atmegadci_softc *sc) 15202ac6454SAndrew Thompson { 15302ac6454SAndrew Thompson if (!sc->sc_flags.clocks_off) { 15402ac6454SAndrew Thompson 15502ac6454SAndrew Thompson DPRINTFN(5, "\n"); 15602ac6454SAndrew Thompson 15702ac6454SAndrew Thompson /* disable Transceiver ? */ 15802ac6454SAndrew Thompson 15902ac6454SAndrew Thompson ATMEGA_WRITE_1(sc, ATMEGA_USBCON, 16002ac6454SAndrew Thompson ATMEGA_USBCON_USBE | 16102ac6454SAndrew Thompson ATMEGA_USBCON_OTGPADE | 16202ac6454SAndrew Thompson ATMEGA_USBCON_FRZCLK | 16302ac6454SAndrew Thompson ATMEGA_USBCON_VBUSTE); 16402ac6454SAndrew Thompson 16502ac6454SAndrew Thompson /* turn clocks off */ 16602ac6454SAndrew Thompson (sc->sc_clocks_off) (&sc->sc_bus); 16702ac6454SAndrew Thompson 16802ac6454SAndrew Thompson sc->sc_flags.clocks_off = 1; 16902ac6454SAndrew Thompson } 17002ac6454SAndrew Thompson } 17102ac6454SAndrew Thompson 17202ac6454SAndrew Thompson static void 17302ac6454SAndrew Thompson atmegadci_pull_up(struct atmegadci_softc *sc) 17402ac6454SAndrew Thompson { 17502ac6454SAndrew Thompson /* pullup D+, if possible */ 17602ac6454SAndrew Thompson 17702ac6454SAndrew Thompson if (!sc->sc_flags.d_pulled_up && 17802ac6454SAndrew Thompson sc->sc_flags.port_powered) { 17902ac6454SAndrew Thompson sc->sc_flags.d_pulled_up = 1; 18002ac6454SAndrew Thompson ATMEGA_WRITE_1(sc, ATMEGA_UDCON, 0); 18102ac6454SAndrew Thompson } 18202ac6454SAndrew Thompson } 18302ac6454SAndrew Thompson 18402ac6454SAndrew Thompson static void 18502ac6454SAndrew Thompson atmegadci_pull_down(struct atmegadci_softc *sc) 18602ac6454SAndrew Thompson { 18702ac6454SAndrew Thompson /* pulldown D+, if possible */ 18802ac6454SAndrew Thompson 18902ac6454SAndrew Thompson if (sc->sc_flags.d_pulled_up) { 19002ac6454SAndrew Thompson sc->sc_flags.d_pulled_up = 0; 19102ac6454SAndrew Thompson ATMEGA_WRITE_1(sc, ATMEGA_UDCON, ATMEGA_UDCON_DETACH); 19202ac6454SAndrew Thompson } 19302ac6454SAndrew Thompson } 19402ac6454SAndrew Thompson 19502ac6454SAndrew Thompson static void 19639307315SAndrew Thompson atmegadci_wakeup_peer(struct atmegadci_softc *sc) 19702ac6454SAndrew Thompson { 19802ac6454SAndrew Thompson uint8_t temp; 19902ac6454SAndrew Thompson 20002ac6454SAndrew Thompson if (!sc->sc_flags.status_suspend) { 20102ac6454SAndrew Thompson return; 20202ac6454SAndrew Thompson } 20302ac6454SAndrew Thompson 20402ac6454SAndrew Thompson temp = ATMEGA_READ_1(sc, ATMEGA_UDCON); 20502ac6454SAndrew Thompson ATMEGA_WRITE_1(sc, ATMEGA_UDCON, temp | ATMEGA_UDCON_RMWKUP); 20602ac6454SAndrew Thompson 20702ac6454SAndrew Thompson /* wait 8 milliseconds */ 20802ac6454SAndrew Thompson /* Wait for reset to complete. */ 20902ac6454SAndrew Thompson usb2_pause_mtx(&sc->sc_bus.bus_mtx, hz / 125); 21002ac6454SAndrew Thompson 21102ac6454SAndrew Thompson /* hardware should have cleared RMWKUP bit */ 21202ac6454SAndrew Thompson } 21302ac6454SAndrew Thompson 21402ac6454SAndrew Thompson static void 21502ac6454SAndrew Thompson atmegadci_set_address(struct atmegadci_softc *sc, uint8_t addr) 21602ac6454SAndrew Thompson { 21702ac6454SAndrew Thompson DPRINTFN(5, "addr=%d\n", addr); 21802ac6454SAndrew Thompson 21902ac6454SAndrew Thompson addr |= ATMEGA_UDADDR_ADDEN; 22002ac6454SAndrew Thompson 22102ac6454SAndrew Thompson ATMEGA_WRITE_1(sc, ATMEGA_UDADDR, addr); 22202ac6454SAndrew Thompson } 22302ac6454SAndrew Thompson 22402ac6454SAndrew Thompson static uint8_t 22502ac6454SAndrew Thompson atmegadci_setup_rx(struct atmegadci_td *td) 22602ac6454SAndrew Thompson { 22702ac6454SAndrew Thompson struct atmegadci_softc *sc; 22802ac6454SAndrew Thompson struct usb2_device_request req; 22902ac6454SAndrew Thompson uint16_t count; 23002ac6454SAndrew Thompson uint8_t temp; 23102ac6454SAndrew Thompson 23202ac6454SAndrew Thompson /* get pointer to softc */ 23302ac6454SAndrew Thompson sc = ATMEGA_PC2SC(td->pc); 23402ac6454SAndrew Thompson 23502ac6454SAndrew Thompson /* select endpoint number */ 23602ac6454SAndrew Thompson ATMEGA_WRITE_1(sc, ATMEGA_UENUM, td->ep_no); 23702ac6454SAndrew Thompson 23802ac6454SAndrew Thompson /* check endpoint status */ 23902ac6454SAndrew Thompson temp = ATMEGA_READ_1(sc, ATMEGA_UEINTX); 24002ac6454SAndrew Thompson 24102ac6454SAndrew Thompson DPRINTFN(5, "UEINTX=0x%02x\n", temp); 24202ac6454SAndrew Thompson 24302ac6454SAndrew Thompson if (!(temp & ATMEGA_UEINTX_RXSTPI)) { 24402ac6454SAndrew Thompson goto not_complete; 24502ac6454SAndrew Thompson } 246f3464815SAndrew Thompson /* clear did stall */ 247f3464815SAndrew Thompson td->did_stall = 0; 24802ac6454SAndrew Thompson /* get the packet byte count */ 24902ac6454SAndrew Thompson count = 25002ac6454SAndrew Thompson (ATMEGA_READ_1(sc, ATMEGA_UEBCHX) << 8) | 25102ac6454SAndrew Thompson (ATMEGA_READ_1(sc, ATMEGA_UEBCLX)); 25202ac6454SAndrew Thompson 25302ac6454SAndrew Thompson /* mask away undefined bits */ 25402ac6454SAndrew Thompson count &= 0x7FF; 25502ac6454SAndrew Thompson 25602ac6454SAndrew Thompson /* verify data length */ 25702ac6454SAndrew Thompson if (count != td->remainder) { 25802ac6454SAndrew Thompson DPRINTFN(0, "Invalid SETUP packet " 25902ac6454SAndrew Thompson "length, %d bytes\n", count); 26002ac6454SAndrew Thompson goto not_complete; 26102ac6454SAndrew Thompson } 26202ac6454SAndrew Thompson if (count != sizeof(req)) { 26302ac6454SAndrew Thompson DPRINTFN(0, "Unsupported SETUP packet " 26402ac6454SAndrew Thompson "length, %d bytes\n", count); 26502ac6454SAndrew Thompson goto not_complete; 26602ac6454SAndrew Thompson } 26702ac6454SAndrew Thompson /* receive data */ 26802ac6454SAndrew Thompson ATMEGA_READ_MULTI_1(sc, ATMEGA_UEDATX, 26902ac6454SAndrew Thompson (void *)&req, sizeof(req)); 27002ac6454SAndrew Thompson 27102ac6454SAndrew Thompson /* copy data into real buffer */ 27202ac6454SAndrew Thompson usb2_copy_in(td->pc, 0, &req, sizeof(req)); 27302ac6454SAndrew Thompson 27402ac6454SAndrew Thompson td->offset = sizeof(req); 27502ac6454SAndrew Thompson td->remainder = 0; 27602ac6454SAndrew Thompson 27702ac6454SAndrew Thompson /* sneak peek the set address */ 27802ac6454SAndrew Thompson if ((req.bmRequestType == UT_WRITE_DEVICE) && 27902ac6454SAndrew Thompson (req.bRequest == UR_SET_ADDRESS)) { 28002ac6454SAndrew Thompson sc->sc_dv_addr = req.wValue[0] & 0x7F; 281d59dbd0aSAndrew Thompson /* must write address before ZLP */ 282d59dbd0aSAndrew Thompson ATMEGA_WRITE_1(sc, ATMEGA_UDADDR, sc->sc_dv_addr); 28302ac6454SAndrew Thompson } else { 28402ac6454SAndrew Thompson sc->sc_dv_addr = 0xFF; 28502ac6454SAndrew Thompson } 28602ac6454SAndrew Thompson 28702ac6454SAndrew Thompson /* clear SETUP packet interrupt */ 28802ac6454SAndrew Thompson ATMEGA_WRITE_1(sc, ATMEGA_UEINTX, ~ATMEGA_UEINTX_RXSTPI); 28902ac6454SAndrew Thompson return (0); /* complete */ 29002ac6454SAndrew Thompson 29102ac6454SAndrew Thompson not_complete: 292f3464815SAndrew Thompson /* abort any ongoing transfer */ 293f3464815SAndrew Thompson if (!td->did_stall) { 294f3464815SAndrew Thompson DPRINTFN(5, "stalling\n"); 295f3464815SAndrew Thompson ATMEGA_WRITE_1(sc, ATMEGA_UECONX, 296f3464815SAndrew Thompson ATMEGA_UECONX_EPEN | 297f3464815SAndrew Thompson ATMEGA_UECONX_STALLRQ); 298f3464815SAndrew Thompson td->did_stall = 1; 299f3464815SAndrew Thompson } 300eb846b4eSAndrew Thompson if (temp & ATMEGA_UEINTX_RXSTPI) { 301eb846b4eSAndrew Thompson /* clear SETUP packet interrupt */ 302eb846b4eSAndrew Thompson ATMEGA_WRITE_1(sc, ATMEGA_UEINTX, ~ATMEGA_UEINTX_RXSTPI); 303eb846b4eSAndrew Thompson } 30402ac6454SAndrew Thompson /* we only want to know if there is a SETUP packet */ 30502ac6454SAndrew Thompson ATMEGA_WRITE_1(sc, ATMEGA_UEIENX, ATMEGA_UEIENX_RXSTPE); 30602ac6454SAndrew Thompson return (1); /* not complete */ 30702ac6454SAndrew Thompson } 30802ac6454SAndrew Thompson 30902ac6454SAndrew Thompson static uint8_t 31002ac6454SAndrew Thompson atmegadci_data_rx(struct atmegadci_td *td) 31102ac6454SAndrew Thompson { 31202ac6454SAndrew Thompson struct atmegadci_softc *sc; 31302ac6454SAndrew Thompson struct usb2_page_search buf_res; 31402ac6454SAndrew Thompson uint16_t count; 31502ac6454SAndrew Thompson uint8_t temp; 31602ac6454SAndrew Thompson uint8_t to; 31702ac6454SAndrew Thompson uint8_t got_short; 31802ac6454SAndrew Thompson 31902ac6454SAndrew Thompson to = 3; /* don't loop forever! */ 32002ac6454SAndrew Thompson got_short = 0; 32102ac6454SAndrew Thompson 32202ac6454SAndrew Thompson /* get pointer to softc */ 32302ac6454SAndrew Thompson sc = ATMEGA_PC2SC(td->pc); 32402ac6454SAndrew Thompson 32502ac6454SAndrew Thompson /* select endpoint number */ 32602ac6454SAndrew Thompson ATMEGA_WRITE_1(sc, ATMEGA_UENUM, td->ep_no); 32702ac6454SAndrew Thompson 32802ac6454SAndrew Thompson repeat: 32902ac6454SAndrew Thompson /* check if any of the FIFO banks have data */ 33002ac6454SAndrew Thompson /* check endpoint status */ 33102ac6454SAndrew Thompson temp = ATMEGA_READ_1(sc, ATMEGA_UEINTX); 33202ac6454SAndrew Thompson 33302ac6454SAndrew Thompson DPRINTFN(5, "temp=0x%02x rem=%u\n", temp, td->remainder); 33402ac6454SAndrew Thompson 33502ac6454SAndrew Thompson if (temp & ATMEGA_UEINTX_RXSTPI) { 33602ac6454SAndrew Thompson if (td->remainder == 0) { 33702ac6454SAndrew Thompson /* 33802ac6454SAndrew Thompson * We are actually complete and have 33902ac6454SAndrew Thompson * received the next SETUP 34002ac6454SAndrew Thompson */ 34102ac6454SAndrew Thompson DPRINTFN(5, "faking complete\n"); 34202ac6454SAndrew Thompson return (0); /* complete */ 34302ac6454SAndrew Thompson } 34402ac6454SAndrew Thompson /* 34502ac6454SAndrew Thompson * USB Host Aborted the transfer. 34602ac6454SAndrew Thompson */ 34702ac6454SAndrew Thompson td->error = 1; 34802ac6454SAndrew Thompson return (0); /* complete */ 34902ac6454SAndrew Thompson } 35002ac6454SAndrew Thompson /* check status */ 35102ac6454SAndrew Thompson if (!(temp & (ATMEGA_UEINTX_FIFOCON | 35202ac6454SAndrew Thompson ATMEGA_UEINTX_RXOUTI))) { 35302ac6454SAndrew Thompson /* no data */ 35402ac6454SAndrew Thompson goto not_complete; 35502ac6454SAndrew Thompson } 35602ac6454SAndrew Thompson /* get the packet byte count */ 35702ac6454SAndrew Thompson count = 35802ac6454SAndrew Thompson (ATMEGA_READ_1(sc, ATMEGA_UEBCHX) << 8) | 35902ac6454SAndrew Thompson (ATMEGA_READ_1(sc, ATMEGA_UEBCLX)); 36002ac6454SAndrew Thompson 36102ac6454SAndrew Thompson /* mask away undefined bits */ 36202ac6454SAndrew Thompson count &= 0x7FF; 36302ac6454SAndrew Thompson 36402ac6454SAndrew Thompson /* verify the packet byte count */ 36502ac6454SAndrew Thompson if (count != td->max_packet_size) { 36602ac6454SAndrew Thompson if (count < td->max_packet_size) { 36702ac6454SAndrew Thompson /* we have a short packet */ 36802ac6454SAndrew Thompson td->short_pkt = 1; 36902ac6454SAndrew Thompson got_short = 1; 37002ac6454SAndrew Thompson } else { 37102ac6454SAndrew Thompson /* invalid USB packet */ 37202ac6454SAndrew Thompson td->error = 1; 37302ac6454SAndrew Thompson return (0); /* we are complete */ 37402ac6454SAndrew Thompson } 37502ac6454SAndrew Thompson } 37602ac6454SAndrew Thompson /* verify the packet byte count */ 37702ac6454SAndrew Thompson if (count > td->remainder) { 37802ac6454SAndrew Thompson /* invalid USB packet */ 37902ac6454SAndrew Thompson td->error = 1; 38002ac6454SAndrew Thompson return (0); /* we are complete */ 38102ac6454SAndrew Thompson } 38202ac6454SAndrew Thompson while (count > 0) { 38302ac6454SAndrew Thompson usb2_get_page(td->pc, td->offset, &buf_res); 38402ac6454SAndrew Thompson 38502ac6454SAndrew Thompson /* get correct length */ 38602ac6454SAndrew Thompson if (buf_res.length > count) { 38702ac6454SAndrew Thompson buf_res.length = count; 38802ac6454SAndrew Thompson } 38902ac6454SAndrew Thompson /* receive data */ 39002ac6454SAndrew Thompson ATMEGA_READ_MULTI_1(sc, ATMEGA_UEDATX, 39102ac6454SAndrew Thompson buf_res.buffer, buf_res.length); 39202ac6454SAndrew Thompson 39302ac6454SAndrew Thompson /* update counters */ 39402ac6454SAndrew Thompson count -= buf_res.length; 39502ac6454SAndrew Thompson td->offset += buf_res.length; 39602ac6454SAndrew Thompson td->remainder -= buf_res.length; 39702ac6454SAndrew Thompson } 39802ac6454SAndrew Thompson 39902ac6454SAndrew Thompson /* clear OUT packet interrupt */ 40002ac6454SAndrew Thompson ATMEGA_WRITE_1(sc, ATMEGA_UEINTX, ATMEGA_UEINTX_RXOUTI ^ 0xFF); 40102ac6454SAndrew Thompson 40202ac6454SAndrew Thompson /* release FIFO bank */ 40302ac6454SAndrew Thompson ATMEGA_WRITE_1(sc, ATMEGA_UEINTX, ATMEGA_UEINTX_FIFOCON ^ 0xFF); 40402ac6454SAndrew Thompson 40502ac6454SAndrew Thompson /* check if we are complete */ 40602ac6454SAndrew Thompson if ((td->remainder == 0) || got_short) { 40702ac6454SAndrew Thompson if (td->short_pkt) { 40802ac6454SAndrew Thompson /* we are complete */ 40902ac6454SAndrew Thompson return (0); 41002ac6454SAndrew Thompson } 41102ac6454SAndrew Thompson /* else need to receive a zero length packet */ 41202ac6454SAndrew Thompson } 41302ac6454SAndrew Thompson if (--to) { 41402ac6454SAndrew Thompson goto repeat; 41502ac6454SAndrew Thompson } 41602ac6454SAndrew Thompson not_complete: 41702ac6454SAndrew Thompson /* we only want to know if there is a SETUP packet or OUT packet */ 41802ac6454SAndrew Thompson ATMEGA_WRITE_1(sc, ATMEGA_UEIENX, 41902ac6454SAndrew Thompson ATMEGA_UEIENX_RXSTPE | ATMEGA_UEIENX_RXOUTE); 42002ac6454SAndrew Thompson return (1); /* not complete */ 42102ac6454SAndrew Thompson } 42202ac6454SAndrew Thompson 42302ac6454SAndrew Thompson static uint8_t 42402ac6454SAndrew Thompson atmegadci_data_tx(struct atmegadci_td *td) 42502ac6454SAndrew Thompson { 42602ac6454SAndrew Thompson struct atmegadci_softc *sc; 42702ac6454SAndrew Thompson struct usb2_page_search buf_res; 42802ac6454SAndrew Thompson uint16_t count; 42902ac6454SAndrew Thompson uint8_t to; 43002ac6454SAndrew Thompson uint8_t temp; 43102ac6454SAndrew Thompson 43202ac6454SAndrew Thompson to = 3; /* don't loop forever! */ 43302ac6454SAndrew Thompson 43402ac6454SAndrew Thompson /* get pointer to softc */ 43502ac6454SAndrew Thompson sc = ATMEGA_PC2SC(td->pc); 43602ac6454SAndrew Thompson 43702ac6454SAndrew Thompson /* select endpoint number */ 43802ac6454SAndrew Thompson ATMEGA_WRITE_1(sc, ATMEGA_UENUM, td->ep_no); 43902ac6454SAndrew Thompson 44002ac6454SAndrew Thompson repeat: 44102ac6454SAndrew Thompson 44202ac6454SAndrew Thompson /* check endpoint status */ 44302ac6454SAndrew Thompson temp = ATMEGA_READ_1(sc, ATMEGA_UEINTX); 44402ac6454SAndrew Thompson 44502ac6454SAndrew Thompson DPRINTFN(5, "temp=0x%02x rem=%u\n", temp, td->remainder); 44602ac6454SAndrew Thompson 44702ac6454SAndrew Thompson if (temp & ATMEGA_UEINTX_RXSTPI) { 44802ac6454SAndrew Thompson /* 44902ac6454SAndrew Thompson * The current transfer was aborted 45002ac6454SAndrew Thompson * by the USB Host 45102ac6454SAndrew Thompson */ 45202ac6454SAndrew Thompson td->error = 1; 45302ac6454SAndrew Thompson return (0); /* complete */ 45402ac6454SAndrew Thompson } 45502ac6454SAndrew Thompson if (!(temp & (ATMEGA_UEINTX_FIFOCON | 45602ac6454SAndrew Thompson ATMEGA_UEINTX_TXINI))) { 45702ac6454SAndrew Thompson /* cannot write any data */ 45802ac6454SAndrew Thompson goto not_complete; 45902ac6454SAndrew Thompson } 46002ac6454SAndrew Thompson count = td->max_packet_size; 46102ac6454SAndrew Thompson if (td->remainder < count) { 46202ac6454SAndrew Thompson /* we have a short packet */ 46302ac6454SAndrew Thompson td->short_pkt = 1; 46402ac6454SAndrew Thompson count = td->remainder; 46502ac6454SAndrew Thompson } 46602ac6454SAndrew Thompson while (count > 0) { 46702ac6454SAndrew Thompson 46802ac6454SAndrew Thompson usb2_get_page(td->pc, td->offset, &buf_res); 46902ac6454SAndrew Thompson 47002ac6454SAndrew Thompson /* get correct length */ 47102ac6454SAndrew Thompson if (buf_res.length > count) { 47202ac6454SAndrew Thompson buf_res.length = count; 47302ac6454SAndrew Thompson } 47402ac6454SAndrew Thompson /* transmit data */ 47502ac6454SAndrew Thompson ATMEGA_WRITE_MULTI_1(sc, ATMEGA_UEDATX, 47602ac6454SAndrew Thompson buf_res.buffer, buf_res.length); 47702ac6454SAndrew Thompson 47802ac6454SAndrew Thompson /* update counters */ 47902ac6454SAndrew Thompson count -= buf_res.length; 48002ac6454SAndrew Thompson td->offset += buf_res.length; 48102ac6454SAndrew Thompson td->remainder -= buf_res.length; 48202ac6454SAndrew Thompson } 48302ac6454SAndrew Thompson 48402ac6454SAndrew Thompson /* clear IN packet interrupt */ 48502ac6454SAndrew Thompson ATMEGA_WRITE_1(sc, ATMEGA_UEINTX, 0xFF ^ ATMEGA_UEINTX_TXINI); 48602ac6454SAndrew Thompson 48702ac6454SAndrew Thompson /* allocate FIFO bank */ 48802ac6454SAndrew Thompson ATMEGA_WRITE_1(sc, ATMEGA_UEINTX, 0xFF ^ ATMEGA_UEINTX_FIFOCON); 48902ac6454SAndrew Thompson 49002ac6454SAndrew Thompson /* check remainder */ 49102ac6454SAndrew Thompson if (td->remainder == 0) { 49202ac6454SAndrew Thompson if (td->short_pkt) { 49302ac6454SAndrew Thompson return (0); /* complete */ 49402ac6454SAndrew Thompson } 49502ac6454SAndrew Thompson /* else we need to transmit a short packet */ 49602ac6454SAndrew Thompson } 49702ac6454SAndrew Thompson if (--to) { 49802ac6454SAndrew Thompson goto repeat; 49902ac6454SAndrew Thompson } 50002ac6454SAndrew Thompson not_complete: 50102ac6454SAndrew Thompson /* we only want to know if there is a SETUP packet or free IN packet */ 50202ac6454SAndrew Thompson ATMEGA_WRITE_1(sc, ATMEGA_UEIENX, 50302ac6454SAndrew Thompson ATMEGA_UEIENX_RXSTPE | ATMEGA_UEIENX_TXINE); 50402ac6454SAndrew Thompson return (1); /* not complete */ 50502ac6454SAndrew Thompson } 50602ac6454SAndrew Thompson 50702ac6454SAndrew Thompson static uint8_t 50802ac6454SAndrew Thompson atmegadci_data_tx_sync(struct atmegadci_td *td) 50902ac6454SAndrew Thompson { 51002ac6454SAndrew Thompson struct atmegadci_softc *sc; 51102ac6454SAndrew Thompson uint8_t temp; 51202ac6454SAndrew Thompson 51302ac6454SAndrew Thompson /* get pointer to softc */ 51402ac6454SAndrew Thompson sc = ATMEGA_PC2SC(td->pc); 51502ac6454SAndrew Thompson 51602ac6454SAndrew Thompson /* select endpoint number */ 51702ac6454SAndrew Thompson ATMEGA_WRITE_1(sc, ATMEGA_UENUM, td->ep_no); 51802ac6454SAndrew Thompson 51902ac6454SAndrew Thompson /* check endpoint status */ 52002ac6454SAndrew Thompson temp = ATMEGA_READ_1(sc, ATMEGA_UEINTX); 52102ac6454SAndrew Thompson 52202ac6454SAndrew Thompson DPRINTFN(5, "temp=0x%02x\n", temp); 52302ac6454SAndrew Thompson 52402ac6454SAndrew Thompson if (temp & ATMEGA_UEINTX_RXSTPI) { 52502ac6454SAndrew Thompson DPRINTFN(5, "faking complete\n"); 52602ac6454SAndrew Thompson /* Race condition */ 52702ac6454SAndrew Thompson return (0); /* complete */ 52802ac6454SAndrew Thompson } 52902ac6454SAndrew Thompson /* 53002ac6454SAndrew Thompson * The control endpoint has only got one bank, so if that bank 53102ac6454SAndrew Thompson * is free the packet has been transferred! 53202ac6454SAndrew Thompson */ 53302ac6454SAndrew Thompson if (!(temp & (ATMEGA_UEINTX_FIFOCON | 53402ac6454SAndrew Thompson ATMEGA_UEINTX_TXINI))) { 53502ac6454SAndrew Thompson /* cannot write any data */ 53602ac6454SAndrew Thompson goto not_complete; 53702ac6454SAndrew Thompson } 53802ac6454SAndrew Thompson if (sc->sc_dv_addr != 0xFF) { 53902ac6454SAndrew Thompson /* set new address */ 54002ac6454SAndrew Thompson atmegadci_set_address(sc, sc->sc_dv_addr); 54102ac6454SAndrew Thompson } 54202ac6454SAndrew Thompson return (0); /* complete */ 54302ac6454SAndrew Thompson 54402ac6454SAndrew Thompson not_complete: 54502ac6454SAndrew Thompson /* we only want to know if there is a SETUP packet or free IN packet */ 54602ac6454SAndrew Thompson ATMEGA_WRITE_1(sc, ATMEGA_UEIENX, 54702ac6454SAndrew Thompson ATMEGA_UEIENX_RXSTPE | ATMEGA_UEIENX_TXINE); 54802ac6454SAndrew Thompson return (1); /* not complete */ 54902ac6454SAndrew Thompson } 55002ac6454SAndrew Thompson 55102ac6454SAndrew Thompson static uint8_t 55202ac6454SAndrew Thompson atmegadci_xfer_do_fifo(struct usb2_xfer *xfer) 55302ac6454SAndrew Thompson { 55402ac6454SAndrew Thompson struct atmegadci_td *td; 55502ac6454SAndrew Thompson 55602ac6454SAndrew Thompson DPRINTFN(9, "\n"); 55702ac6454SAndrew Thompson 55802ac6454SAndrew Thompson td = xfer->td_transfer_cache; 55902ac6454SAndrew Thompson while (1) { 56002ac6454SAndrew Thompson if ((td->func) (td)) { 56102ac6454SAndrew Thompson /* operation in progress */ 56202ac6454SAndrew Thompson break; 56302ac6454SAndrew Thompson } 56402ac6454SAndrew Thompson if (((void *)td) == xfer->td_transfer_last) { 56502ac6454SAndrew Thompson goto done; 56602ac6454SAndrew Thompson } 56702ac6454SAndrew Thompson if (td->error) { 56802ac6454SAndrew Thompson goto done; 56902ac6454SAndrew Thompson } else if (td->remainder > 0) { 57002ac6454SAndrew Thompson /* 57102ac6454SAndrew Thompson * We had a short transfer. If there is no alternate 57202ac6454SAndrew Thompson * next, stop processing ! 57302ac6454SAndrew Thompson */ 57402ac6454SAndrew Thompson if (!td->alt_next) { 57502ac6454SAndrew Thompson goto done; 57602ac6454SAndrew Thompson } 57702ac6454SAndrew Thompson } 57802ac6454SAndrew Thompson /* 57902ac6454SAndrew Thompson * Fetch the next transfer descriptor and transfer 58002ac6454SAndrew Thompson * some flags to the next transfer descriptor 58102ac6454SAndrew Thompson */ 58202ac6454SAndrew Thompson td = td->obj_next; 58302ac6454SAndrew Thompson xfer->td_transfer_cache = td; 58402ac6454SAndrew Thompson } 58502ac6454SAndrew Thompson return (1); /* not complete */ 58602ac6454SAndrew Thompson 58702ac6454SAndrew Thompson done: 58802ac6454SAndrew Thompson /* compute all actual lengths */ 58902ac6454SAndrew Thompson 59002ac6454SAndrew Thompson atmegadci_standard_done(xfer); 59102ac6454SAndrew Thompson return (0); /* complete */ 59202ac6454SAndrew Thompson } 59302ac6454SAndrew Thompson 59402ac6454SAndrew Thompson static void 59502ac6454SAndrew Thompson atmegadci_interrupt_poll(struct atmegadci_softc *sc) 59602ac6454SAndrew Thompson { 59702ac6454SAndrew Thompson struct usb2_xfer *xfer; 59802ac6454SAndrew Thompson 59902ac6454SAndrew Thompson repeat: 60002ac6454SAndrew Thompson TAILQ_FOREACH(xfer, &sc->sc_bus.intr_q.head, wait_entry) { 60102ac6454SAndrew Thompson if (!atmegadci_xfer_do_fifo(xfer)) { 60202ac6454SAndrew Thompson /* queue has been modified */ 60302ac6454SAndrew Thompson goto repeat; 60402ac6454SAndrew Thompson } 60502ac6454SAndrew Thompson } 60602ac6454SAndrew Thompson } 60702ac6454SAndrew Thompson 60802ac6454SAndrew Thompson static void 60902ac6454SAndrew Thompson atmegadci_vbus_interrupt(struct atmegadci_softc *sc, uint8_t is_on) 61002ac6454SAndrew Thompson { 61102ac6454SAndrew Thompson DPRINTFN(5, "vbus = %u\n", is_on); 61202ac6454SAndrew Thompson 61302ac6454SAndrew Thompson if (is_on) { 61402ac6454SAndrew Thompson if (!sc->sc_flags.status_vbus) { 61502ac6454SAndrew Thompson sc->sc_flags.status_vbus = 1; 61602ac6454SAndrew Thompson 61702ac6454SAndrew Thompson /* complete root HUB interrupt endpoint */ 61802ac6454SAndrew Thompson 61939307315SAndrew Thompson atmegadci_root_intr(sc); 62002ac6454SAndrew Thompson } 62102ac6454SAndrew Thompson } else { 62202ac6454SAndrew Thompson if (sc->sc_flags.status_vbus) { 62302ac6454SAndrew Thompson sc->sc_flags.status_vbus = 0; 62402ac6454SAndrew Thompson sc->sc_flags.status_bus_reset = 0; 62502ac6454SAndrew Thompson sc->sc_flags.status_suspend = 0; 62602ac6454SAndrew Thompson sc->sc_flags.change_suspend = 0; 62702ac6454SAndrew Thompson sc->sc_flags.change_connect = 1; 62802ac6454SAndrew Thompson 62902ac6454SAndrew Thompson /* complete root HUB interrupt endpoint */ 63002ac6454SAndrew Thompson 63139307315SAndrew Thompson atmegadci_root_intr(sc); 63202ac6454SAndrew Thompson } 63302ac6454SAndrew Thompson } 63402ac6454SAndrew Thompson } 63502ac6454SAndrew Thompson 63602ac6454SAndrew Thompson void 63702ac6454SAndrew Thompson atmegadci_interrupt(struct atmegadci_softc *sc) 63802ac6454SAndrew Thompson { 63902ac6454SAndrew Thompson uint8_t status; 64002ac6454SAndrew Thompson 64102ac6454SAndrew Thompson USB_BUS_LOCK(&sc->sc_bus); 64202ac6454SAndrew Thompson 64302ac6454SAndrew Thompson /* read interrupt status */ 64402ac6454SAndrew Thompson status = ATMEGA_READ_1(sc, ATMEGA_UDINT); 64502ac6454SAndrew Thompson 64602ac6454SAndrew Thompson /* clear all set interrupts */ 647df075012SAndrew Thompson ATMEGA_WRITE_1(sc, ATMEGA_UDINT, (~status) & 0x7D); 64802ac6454SAndrew Thompson 649d59dbd0aSAndrew Thompson DPRINTFN(14, "UDINT=0x%02x\n", status); 650d59dbd0aSAndrew Thompson 65102ac6454SAndrew Thompson /* check for any bus state change interrupts */ 65202ac6454SAndrew Thompson if (status & ATMEGA_UDINT_EORSTI) { 65302ac6454SAndrew Thompson 65402ac6454SAndrew Thompson DPRINTFN(5, "end of reset\n"); 65502ac6454SAndrew Thompson 65602ac6454SAndrew Thompson /* set correct state */ 65702ac6454SAndrew Thompson sc->sc_flags.status_bus_reset = 1; 65802ac6454SAndrew Thompson sc->sc_flags.status_suspend = 0; 65902ac6454SAndrew Thompson sc->sc_flags.change_suspend = 0; 66002ac6454SAndrew Thompson sc->sc_flags.change_connect = 1; 66102ac6454SAndrew Thompson 66202ac6454SAndrew Thompson /* disable resume interrupt */ 66302ac6454SAndrew Thompson ATMEGA_WRITE_1(sc, ATMEGA_UDIEN, 66402ac6454SAndrew Thompson ATMEGA_UDINT_SUSPE | 66502ac6454SAndrew Thompson ATMEGA_UDINT_EORSTE); 66602ac6454SAndrew Thompson 66702ac6454SAndrew Thompson /* complete root HUB interrupt endpoint */ 66839307315SAndrew Thompson atmegadci_root_intr(sc); 66902ac6454SAndrew Thompson } 67002ac6454SAndrew Thompson /* 67102ac6454SAndrew Thompson * If resume and suspend is set at the same time we interpret 67202ac6454SAndrew Thompson * that like RESUME. Resume is set when there is at least 3 67302ac6454SAndrew Thompson * milliseconds of inactivity on the USB BUS. 67402ac6454SAndrew Thompson */ 67502ac6454SAndrew Thompson if (status & ATMEGA_UDINT_EORSMI) { 67602ac6454SAndrew Thompson 67702ac6454SAndrew Thompson DPRINTFN(5, "resume interrupt\n"); 67802ac6454SAndrew Thompson 67902ac6454SAndrew Thompson if (sc->sc_flags.status_suspend) { 68002ac6454SAndrew Thompson /* update status bits */ 68102ac6454SAndrew Thompson sc->sc_flags.status_suspend = 0; 68202ac6454SAndrew Thompson sc->sc_flags.change_suspend = 1; 68302ac6454SAndrew Thompson 68402ac6454SAndrew Thompson /* disable resume interrupt */ 68502ac6454SAndrew Thompson ATMEGA_WRITE_1(sc, ATMEGA_UDIEN, 68602ac6454SAndrew Thompson ATMEGA_UDINT_SUSPE | 68702ac6454SAndrew Thompson ATMEGA_UDINT_EORSTE); 68802ac6454SAndrew Thompson 68902ac6454SAndrew Thompson /* complete root HUB interrupt endpoint */ 69039307315SAndrew Thompson atmegadci_root_intr(sc); 69102ac6454SAndrew Thompson } 69202ac6454SAndrew Thompson } else if (status & ATMEGA_UDINT_SUSPI) { 69302ac6454SAndrew Thompson 69402ac6454SAndrew Thompson DPRINTFN(5, "suspend interrupt\n"); 69502ac6454SAndrew Thompson 69602ac6454SAndrew Thompson if (!sc->sc_flags.status_suspend) { 69702ac6454SAndrew Thompson /* update status bits */ 69802ac6454SAndrew Thompson sc->sc_flags.status_suspend = 1; 69902ac6454SAndrew Thompson sc->sc_flags.change_suspend = 1; 70002ac6454SAndrew Thompson 70102ac6454SAndrew Thompson /* disable suspend interrupt */ 70202ac6454SAndrew Thompson ATMEGA_WRITE_1(sc, ATMEGA_UDIEN, 70302ac6454SAndrew Thompson ATMEGA_UDINT_EORSMI | 70402ac6454SAndrew Thompson ATMEGA_UDINT_EORSTE); 70502ac6454SAndrew Thompson 70602ac6454SAndrew Thompson /* complete root HUB interrupt endpoint */ 70739307315SAndrew Thompson atmegadci_root_intr(sc); 70802ac6454SAndrew Thompson } 70902ac6454SAndrew Thompson } 71002ac6454SAndrew Thompson /* check VBUS */ 71102ac6454SAndrew Thompson status = ATMEGA_READ_1(sc, ATMEGA_USBINT); 71202ac6454SAndrew Thompson 71302ac6454SAndrew Thompson /* clear all set interrupts */ 714df075012SAndrew Thompson ATMEGA_WRITE_1(sc, ATMEGA_USBINT, (~status) & 0x03); 71502ac6454SAndrew Thompson 71602ac6454SAndrew Thompson if (status & ATMEGA_USBINT_VBUSTI) { 71702ac6454SAndrew Thompson uint8_t temp; 71802ac6454SAndrew Thompson 719d59dbd0aSAndrew Thompson DPRINTFN(5, "USBINT=0x%02x\n", status); 720d59dbd0aSAndrew Thompson 72102ac6454SAndrew Thompson temp = ATMEGA_READ_1(sc, ATMEGA_USBSTA); 72202ac6454SAndrew Thompson atmegadci_vbus_interrupt(sc, temp & ATMEGA_USBSTA_VBUS); 72302ac6454SAndrew Thompson } 72402ac6454SAndrew Thompson /* check for any endpoint interrupts */ 72502ac6454SAndrew Thompson status = ATMEGA_READ_1(sc, ATMEGA_UEINT); 726df075012SAndrew Thompson /* the hardware will clear the UEINT bits automatically */ 72702ac6454SAndrew Thompson if (status) { 72802ac6454SAndrew Thompson 729d59dbd0aSAndrew Thompson DPRINTFN(5, "real endpoint interrupt UEINT=0x%02x\n", status); 73002ac6454SAndrew Thompson 73102ac6454SAndrew Thompson atmegadci_interrupt_poll(sc); 73202ac6454SAndrew Thompson } 73302ac6454SAndrew Thompson USB_BUS_UNLOCK(&sc->sc_bus); 73402ac6454SAndrew Thompson } 73502ac6454SAndrew Thompson 73602ac6454SAndrew Thompson static void 73702ac6454SAndrew Thompson atmegadci_setup_standard_chain_sub(struct atmegadci_std_temp *temp) 73802ac6454SAndrew Thompson { 73902ac6454SAndrew Thompson struct atmegadci_td *td; 74002ac6454SAndrew Thompson 74102ac6454SAndrew Thompson /* get current Transfer Descriptor */ 74202ac6454SAndrew Thompson td = temp->td_next; 74302ac6454SAndrew Thompson temp->td = td; 74402ac6454SAndrew Thompson 74502ac6454SAndrew Thompson /* prepare for next TD */ 74602ac6454SAndrew Thompson temp->td_next = td->obj_next; 74702ac6454SAndrew Thompson 74802ac6454SAndrew Thompson /* fill out the Transfer Descriptor */ 74902ac6454SAndrew Thompson td->func = temp->func; 75002ac6454SAndrew Thompson td->pc = temp->pc; 75102ac6454SAndrew Thompson td->offset = temp->offset; 75202ac6454SAndrew Thompson td->remainder = temp->len; 75302ac6454SAndrew Thompson td->error = 0; 75402ac6454SAndrew Thompson td->did_stall = 0; 75502ac6454SAndrew Thompson td->short_pkt = temp->short_pkt; 75602ac6454SAndrew Thompson td->alt_next = temp->setup_alt_next; 75702ac6454SAndrew Thompson } 75802ac6454SAndrew Thompson 75902ac6454SAndrew Thompson static void 76002ac6454SAndrew Thompson atmegadci_setup_standard_chain(struct usb2_xfer *xfer) 76102ac6454SAndrew Thompson { 76202ac6454SAndrew Thompson struct atmegadci_std_temp temp; 76302ac6454SAndrew Thompson struct atmegadci_softc *sc; 76402ac6454SAndrew Thompson struct atmegadci_td *td; 76502ac6454SAndrew Thompson uint32_t x; 76602ac6454SAndrew Thompson uint8_t ep_no; 76702ac6454SAndrew Thompson uint8_t need_sync; 76802ac6454SAndrew Thompson 76902ac6454SAndrew Thompson DPRINTFN(9, "addr=%d endpt=%d sumlen=%d speed=%d\n", 77002ac6454SAndrew Thompson xfer->address, UE_GET_ADDR(xfer->endpoint), 77102ac6454SAndrew Thompson xfer->sumlen, usb2_get_speed(xfer->xroot->udev)); 77202ac6454SAndrew Thompson 77302ac6454SAndrew Thompson temp.max_frame_size = xfer->max_frame_size; 77402ac6454SAndrew Thompson 77502ac6454SAndrew Thompson td = xfer->td_start[0]; 77602ac6454SAndrew Thompson xfer->td_transfer_first = td; 77702ac6454SAndrew Thompson xfer->td_transfer_cache = td; 77802ac6454SAndrew Thompson 77902ac6454SAndrew Thompson /* setup temp */ 78002ac6454SAndrew Thompson 78102ac6454SAndrew Thompson temp.td = NULL; 78202ac6454SAndrew Thompson temp.td_next = xfer->td_start[0]; 78302ac6454SAndrew Thompson temp.offset = 0; 7840f7d4548SAndrew Thompson temp.setup_alt_next = xfer->flags_int.short_frames_ok; 78502ac6454SAndrew Thompson 78602ac6454SAndrew Thompson sc = ATMEGA_BUS2SC(xfer->xroot->bus); 78702ac6454SAndrew Thompson ep_no = (xfer->endpoint & UE_ADDR); 78802ac6454SAndrew Thompson 78902ac6454SAndrew Thompson /* check if we should prepend a setup message */ 79002ac6454SAndrew Thompson 79102ac6454SAndrew Thompson if (xfer->flags_int.control_xfr) { 79202ac6454SAndrew Thompson if (xfer->flags_int.control_hdr) { 79302ac6454SAndrew Thompson 79402ac6454SAndrew Thompson temp.func = &atmegadci_setup_rx; 79502ac6454SAndrew Thompson temp.len = xfer->frlengths[0]; 79602ac6454SAndrew Thompson temp.pc = xfer->frbuffers + 0; 79702ac6454SAndrew Thompson temp.short_pkt = temp.len ? 1 : 0; 7980f7d4548SAndrew Thompson /* check for last frame */ 7990f7d4548SAndrew Thompson if (xfer->nframes == 1) { 8000f7d4548SAndrew Thompson /* no STATUS stage yet, SETUP is last */ 8010f7d4548SAndrew Thompson if (xfer->flags_int.control_act) 8020f7d4548SAndrew Thompson temp.setup_alt_next = 0; 8030f7d4548SAndrew Thompson } 80402ac6454SAndrew Thompson 80502ac6454SAndrew Thompson atmegadci_setup_standard_chain_sub(&temp); 80602ac6454SAndrew Thompson } 80702ac6454SAndrew Thompson x = 1; 80802ac6454SAndrew Thompson } else { 80902ac6454SAndrew Thompson x = 0; 81002ac6454SAndrew Thompson } 81102ac6454SAndrew Thompson 81202ac6454SAndrew Thompson if (x != xfer->nframes) { 81302ac6454SAndrew Thompson if (xfer->endpoint & UE_DIR_IN) { 81402ac6454SAndrew Thompson temp.func = &atmegadci_data_tx; 81502ac6454SAndrew Thompson need_sync = 1; 81602ac6454SAndrew Thompson } else { 81702ac6454SAndrew Thompson temp.func = &atmegadci_data_rx; 81802ac6454SAndrew Thompson need_sync = 0; 81902ac6454SAndrew Thompson } 82002ac6454SAndrew Thompson 82102ac6454SAndrew Thompson /* setup "pc" pointer */ 82202ac6454SAndrew Thompson temp.pc = xfer->frbuffers + x; 82302ac6454SAndrew Thompson } else { 82402ac6454SAndrew Thompson need_sync = 0; 82502ac6454SAndrew Thompson } 82602ac6454SAndrew Thompson while (x != xfer->nframes) { 82702ac6454SAndrew Thompson 82802ac6454SAndrew Thompson /* DATA0 / DATA1 message */ 82902ac6454SAndrew Thompson 83002ac6454SAndrew Thompson temp.len = xfer->frlengths[x]; 83102ac6454SAndrew Thompson 83202ac6454SAndrew Thompson x++; 83302ac6454SAndrew Thompson 83402ac6454SAndrew Thompson if (x == xfer->nframes) { 8350f7d4548SAndrew Thompson if (xfer->flags_int.control_xfr) { 8360f7d4548SAndrew Thompson if (xfer->flags_int.control_act) { 83702ac6454SAndrew Thompson temp.setup_alt_next = 0; 83802ac6454SAndrew Thompson } 8390f7d4548SAndrew Thompson } else { 8400f7d4548SAndrew Thompson temp.setup_alt_next = 0; 8410f7d4548SAndrew Thompson } 8420f7d4548SAndrew Thompson } 84302ac6454SAndrew Thompson if (temp.len == 0) { 84402ac6454SAndrew Thompson 84502ac6454SAndrew Thompson /* make sure that we send an USB packet */ 84602ac6454SAndrew Thompson 84702ac6454SAndrew Thompson temp.short_pkt = 0; 84802ac6454SAndrew Thompson 84902ac6454SAndrew Thompson } else { 85002ac6454SAndrew Thompson 85102ac6454SAndrew Thompson /* regular data transfer */ 85202ac6454SAndrew Thompson 85302ac6454SAndrew Thompson temp.short_pkt = (xfer->flags.force_short_xfer) ? 0 : 1; 85402ac6454SAndrew Thompson } 85502ac6454SAndrew Thompson 85602ac6454SAndrew Thompson atmegadci_setup_standard_chain_sub(&temp); 85702ac6454SAndrew Thompson 85802ac6454SAndrew Thompson if (xfer->flags_int.isochronous_xfr) { 85902ac6454SAndrew Thompson temp.offset += temp.len; 86002ac6454SAndrew Thompson } else { 86102ac6454SAndrew Thompson /* get next Page Cache pointer */ 86202ac6454SAndrew Thompson temp.pc = xfer->frbuffers + x; 86302ac6454SAndrew Thompson } 86402ac6454SAndrew Thompson } 86502ac6454SAndrew Thompson 8660f7d4548SAndrew Thompson if (xfer->flags_int.control_xfr) { 8670f7d4548SAndrew Thompson 86802ac6454SAndrew Thompson /* always setup a valid "pc" pointer for status and sync */ 86902ac6454SAndrew Thompson temp.pc = xfer->frbuffers + 0; 87002ac6454SAndrew Thompson temp.len = 0; 87102ac6454SAndrew Thompson temp.short_pkt = 0; 8720f7d4548SAndrew Thompson temp.setup_alt_next = 0; 87302ac6454SAndrew Thompson 8740f7d4548SAndrew Thompson /* check if we need to sync */ 8750f7d4548SAndrew Thompson if (need_sync) { 8760f7d4548SAndrew Thompson /* we need a SYNC point after TX */ 8770f7d4548SAndrew Thompson temp.func = &atmegadci_data_tx_sync; 87802ac6454SAndrew Thompson atmegadci_setup_standard_chain_sub(&temp); 87902ac6454SAndrew Thompson } 8800f7d4548SAndrew Thompson 88102ac6454SAndrew Thompson /* check if we should append a status stage */ 8820f7d4548SAndrew Thompson if (!xfer->flags_int.control_act) { 88302ac6454SAndrew Thompson 88402ac6454SAndrew Thompson /* 88502ac6454SAndrew Thompson * Send a DATA1 message and invert the current 88602ac6454SAndrew Thompson * endpoint direction. 88702ac6454SAndrew Thompson */ 88802ac6454SAndrew Thompson if (xfer->endpoint & UE_DIR_IN) { 88902ac6454SAndrew Thompson temp.func = &atmegadci_data_rx; 89002ac6454SAndrew Thompson need_sync = 0; 89102ac6454SAndrew Thompson } else { 89202ac6454SAndrew Thompson temp.func = &atmegadci_data_tx; 89302ac6454SAndrew Thompson need_sync = 1; 89402ac6454SAndrew Thompson } 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 atmegadci_setup_standard_chain_sub(&temp); 90102ac6454SAndrew Thompson } 90202ac6454SAndrew Thompson } 9030f7d4548SAndrew Thompson } 90402ac6454SAndrew Thompson /* must have at least one frame! */ 90502ac6454SAndrew Thompson td = temp.td; 90602ac6454SAndrew Thompson xfer->td_transfer_last = td; 90702ac6454SAndrew Thompson } 90802ac6454SAndrew Thompson 90902ac6454SAndrew Thompson static void 91002ac6454SAndrew Thompson atmegadci_timeout(void *arg) 91102ac6454SAndrew Thompson { 91202ac6454SAndrew Thompson struct usb2_xfer *xfer = arg; 91302ac6454SAndrew Thompson 91402ac6454SAndrew Thompson DPRINTF("xfer=%p\n", xfer); 91502ac6454SAndrew Thompson 91602ac6454SAndrew Thompson USB_BUS_LOCK_ASSERT(xfer->xroot->bus, MA_OWNED); 91702ac6454SAndrew Thompson 91802ac6454SAndrew Thompson /* transfer is transferred */ 91902ac6454SAndrew Thompson atmegadci_device_done(xfer, USB_ERR_TIMEOUT); 92002ac6454SAndrew Thompson } 92102ac6454SAndrew Thompson 92202ac6454SAndrew Thompson static void 92302ac6454SAndrew Thompson atmegadci_start_standard_chain(struct usb2_xfer *xfer) 92402ac6454SAndrew Thompson { 92502ac6454SAndrew Thompson DPRINTFN(9, "\n"); 92602ac6454SAndrew Thompson 92702ac6454SAndrew Thompson /* poll one time - will turn on interrupts */ 92802ac6454SAndrew Thompson if (atmegadci_xfer_do_fifo(xfer)) { 92902ac6454SAndrew Thompson 93002ac6454SAndrew Thompson /* put transfer on interrupt queue */ 93102ac6454SAndrew Thompson usb2_transfer_enqueue(&xfer->xroot->bus->intr_q, xfer); 93202ac6454SAndrew Thompson 93302ac6454SAndrew Thompson /* start timeout, if any */ 93402ac6454SAndrew Thompson if (xfer->timeout != 0) { 93502ac6454SAndrew Thompson usb2_transfer_timeout_ms(xfer, 93602ac6454SAndrew Thompson &atmegadci_timeout, xfer->timeout); 93702ac6454SAndrew Thompson } 93802ac6454SAndrew Thompson } 93902ac6454SAndrew Thompson } 94002ac6454SAndrew Thompson 94102ac6454SAndrew Thompson static void 94239307315SAndrew Thompson atmegadci_root_intr(struct atmegadci_softc *sc) 94302ac6454SAndrew Thompson { 94402ac6454SAndrew Thompson DPRINTFN(9, "\n"); 94502ac6454SAndrew Thompson 94602ac6454SAndrew Thompson USB_BUS_LOCK_ASSERT(&sc->sc_bus, MA_OWNED); 94702ac6454SAndrew Thompson 94802ac6454SAndrew Thompson /* set port bit */ 94902ac6454SAndrew Thompson sc->sc_hub_idata[0] = 0x02; /* we only have one port */ 95002ac6454SAndrew Thompson 95139307315SAndrew Thompson uhub_root_intr(&sc->sc_bus, sc->sc_hub_idata, 95239307315SAndrew Thompson sizeof(sc->sc_hub_idata)); 95302ac6454SAndrew Thompson } 95402ac6454SAndrew Thompson 95502ac6454SAndrew Thompson static usb2_error_t 95602ac6454SAndrew Thompson atmegadci_standard_done_sub(struct usb2_xfer *xfer) 95702ac6454SAndrew Thompson { 95802ac6454SAndrew Thompson struct atmegadci_td *td; 95902ac6454SAndrew Thompson uint32_t len; 96002ac6454SAndrew Thompson uint8_t error; 96102ac6454SAndrew Thompson 96202ac6454SAndrew Thompson DPRINTFN(9, "\n"); 96302ac6454SAndrew Thompson 96402ac6454SAndrew Thompson td = xfer->td_transfer_cache; 96502ac6454SAndrew Thompson 96602ac6454SAndrew Thompson do { 96702ac6454SAndrew Thompson len = td->remainder; 96802ac6454SAndrew Thompson 96902ac6454SAndrew Thompson if (xfer->aframes != xfer->nframes) { 97002ac6454SAndrew Thompson /* 97102ac6454SAndrew Thompson * Verify the length and subtract 97202ac6454SAndrew Thompson * the remainder from "frlengths[]": 97302ac6454SAndrew Thompson */ 97402ac6454SAndrew Thompson if (len > xfer->frlengths[xfer->aframes]) { 97502ac6454SAndrew Thompson td->error = 1; 97602ac6454SAndrew Thompson } else { 97702ac6454SAndrew Thompson xfer->frlengths[xfer->aframes] -= len; 97802ac6454SAndrew Thompson } 97902ac6454SAndrew Thompson } 98002ac6454SAndrew Thompson /* Check for transfer error */ 98102ac6454SAndrew Thompson if (td->error) { 98202ac6454SAndrew Thompson /* the transfer is finished */ 98302ac6454SAndrew Thompson error = 1; 98402ac6454SAndrew Thompson td = NULL; 98502ac6454SAndrew Thompson break; 98602ac6454SAndrew Thompson } 98702ac6454SAndrew Thompson /* Check for short transfer */ 98802ac6454SAndrew Thompson if (len > 0) { 98902ac6454SAndrew Thompson if (xfer->flags_int.short_frames_ok) { 99002ac6454SAndrew Thompson /* follow alt next */ 99102ac6454SAndrew Thompson if (td->alt_next) { 99202ac6454SAndrew Thompson td = td->obj_next; 99302ac6454SAndrew Thompson } else { 99402ac6454SAndrew Thompson td = NULL; 99502ac6454SAndrew Thompson } 99602ac6454SAndrew Thompson } else { 99702ac6454SAndrew Thompson /* the transfer is finished */ 99802ac6454SAndrew Thompson td = NULL; 99902ac6454SAndrew Thompson } 100002ac6454SAndrew Thompson error = 0; 100102ac6454SAndrew Thompson break; 100202ac6454SAndrew Thompson } 100302ac6454SAndrew Thompson td = td->obj_next; 100402ac6454SAndrew Thompson 100502ac6454SAndrew Thompson /* this USB frame is complete */ 100602ac6454SAndrew Thompson error = 0; 100702ac6454SAndrew Thompson break; 100802ac6454SAndrew Thompson 100902ac6454SAndrew Thompson } while (0); 101002ac6454SAndrew Thompson 101102ac6454SAndrew Thompson /* update transfer cache */ 101202ac6454SAndrew Thompson 101302ac6454SAndrew Thompson xfer->td_transfer_cache = td; 101402ac6454SAndrew Thompson 101502ac6454SAndrew Thompson return (error ? 101602ac6454SAndrew Thompson USB_ERR_STALLED : USB_ERR_NORMAL_COMPLETION); 101702ac6454SAndrew Thompson } 101802ac6454SAndrew Thompson 101902ac6454SAndrew Thompson static void 102002ac6454SAndrew Thompson atmegadci_standard_done(struct usb2_xfer *xfer) 102102ac6454SAndrew Thompson { 102202ac6454SAndrew Thompson usb2_error_t err = 0; 102302ac6454SAndrew Thompson 102402ac6454SAndrew Thompson DPRINTFN(13, "xfer=%p pipe=%p transfer done\n", 102502ac6454SAndrew Thompson xfer, xfer->pipe); 102602ac6454SAndrew Thompson 102702ac6454SAndrew Thompson /* reset scanner */ 102802ac6454SAndrew Thompson 102902ac6454SAndrew Thompson xfer->td_transfer_cache = xfer->td_transfer_first; 103002ac6454SAndrew Thompson 103102ac6454SAndrew Thompson if (xfer->flags_int.control_xfr) { 103202ac6454SAndrew Thompson 103302ac6454SAndrew Thompson if (xfer->flags_int.control_hdr) { 103402ac6454SAndrew Thompson 103502ac6454SAndrew Thompson err = atmegadci_standard_done_sub(xfer); 103602ac6454SAndrew Thompson } 103702ac6454SAndrew Thompson xfer->aframes = 1; 103802ac6454SAndrew Thompson 103902ac6454SAndrew Thompson if (xfer->td_transfer_cache == NULL) { 104002ac6454SAndrew Thompson goto done; 104102ac6454SAndrew Thompson } 104202ac6454SAndrew Thompson } 104302ac6454SAndrew Thompson while (xfer->aframes != xfer->nframes) { 104402ac6454SAndrew Thompson 104502ac6454SAndrew Thompson err = atmegadci_standard_done_sub(xfer); 104602ac6454SAndrew Thompson xfer->aframes++; 104702ac6454SAndrew Thompson 104802ac6454SAndrew Thompson if (xfer->td_transfer_cache == NULL) { 104902ac6454SAndrew Thompson goto done; 105002ac6454SAndrew Thompson } 105102ac6454SAndrew Thompson } 105202ac6454SAndrew Thompson 105302ac6454SAndrew Thompson if (xfer->flags_int.control_xfr && 105402ac6454SAndrew Thompson !xfer->flags_int.control_act) { 105502ac6454SAndrew Thompson 105602ac6454SAndrew Thompson err = atmegadci_standard_done_sub(xfer); 105702ac6454SAndrew Thompson } 105802ac6454SAndrew Thompson done: 105902ac6454SAndrew Thompson atmegadci_device_done(xfer, err); 106002ac6454SAndrew Thompson } 106102ac6454SAndrew Thompson 106202ac6454SAndrew Thompson /*------------------------------------------------------------------------* 106302ac6454SAndrew Thompson * atmegadci_device_done 106402ac6454SAndrew Thompson * 106502ac6454SAndrew Thompson * NOTE: this function can be called more than one time on the 106602ac6454SAndrew Thompson * same USB transfer! 106702ac6454SAndrew Thompson *------------------------------------------------------------------------*/ 106802ac6454SAndrew Thompson static void 106902ac6454SAndrew Thompson atmegadci_device_done(struct usb2_xfer *xfer, usb2_error_t error) 107002ac6454SAndrew Thompson { 107102ac6454SAndrew Thompson struct atmegadci_softc *sc = ATMEGA_BUS2SC(xfer->xroot->bus); 107202ac6454SAndrew Thompson uint8_t ep_no; 107302ac6454SAndrew Thompson 107402ac6454SAndrew Thompson USB_BUS_LOCK_ASSERT(&sc->sc_bus, MA_OWNED); 107502ac6454SAndrew Thompson 1076d59dbd0aSAndrew Thompson DPRINTFN(9, "xfer=%p, pipe=%p, error=%d\n", 107702ac6454SAndrew Thompson xfer, xfer->pipe, error); 107802ac6454SAndrew Thompson 107902ac6454SAndrew Thompson if (xfer->flags_int.usb2_mode == USB_MODE_DEVICE) { 108002ac6454SAndrew Thompson ep_no = (xfer->endpoint & UE_ADDR); 108102ac6454SAndrew Thompson 108202ac6454SAndrew Thompson /* select endpoint number */ 108302ac6454SAndrew Thompson ATMEGA_WRITE_1(sc, ATMEGA_UENUM, ep_no); 108402ac6454SAndrew Thompson 108502ac6454SAndrew Thompson /* disable endpoint interrupt */ 108602ac6454SAndrew Thompson ATMEGA_WRITE_1(sc, ATMEGA_UEIENX, 0); 108702ac6454SAndrew Thompson 108802ac6454SAndrew Thompson DPRINTFN(15, "disabled interrupts!\n"); 108902ac6454SAndrew Thompson } 109002ac6454SAndrew Thompson /* dequeue transfer and start next transfer */ 109102ac6454SAndrew Thompson usb2_transfer_done(xfer, error); 109202ac6454SAndrew Thompson } 109302ac6454SAndrew Thompson 109402ac6454SAndrew Thompson static void 109502ac6454SAndrew Thompson atmegadci_set_stall(struct usb2_device *udev, struct usb2_xfer *xfer, 109602ac6454SAndrew Thompson struct usb2_pipe *pipe) 109702ac6454SAndrew Thompson { 109802ac6454SAndrew Thompson struct atmegadci_softc *sc; 109902ac6454SAndrew Thompson uint8_t ep_no; 110002ac6454SAndrew Thompson 110102ac6454SAndrew Thompson USB_BUS_LOCK_ASSERT(udev->bus, MA_OWNED); 110202ac6454SAndrew Thompson 110302ac6454SAndrew Thompson DPRINTFN(5, "pipe=%p\n", pipe); 110402ac6454SAndrew Thompson 110502ac6454SAndrew Thompson if (xfer) { 110602ac6454SAndrew Thompson /* cancel any ongoing transfers */ 110702ac6454SAndrew Thompson atmegadci_device_done(xfer, USB_ERR_STALLED); 110802ac6454SAndrew Thompson } 110902ac6454SAndrew Thompson sc = ATMEGA_BUS2SC(udev->bus); 111002ac6454SAndrew Thompson /* get endpoint number */ 111102ac6454SAndrew Thompson ep_no = (pipe->edesc->bEndpointAddress & UE_ADDR); 111202ac6454SAndrew Thompson /* select endpoint number */ 111302ac6454SAndrew Thompson ATMEGA_WRITE_1(sc, ATMEGA_UENUM, ep_no); 111402ac6454SAndrew Thompson /* set stall */ 111502ac6454SAndrew Thompson ATMEGA_WRITE_1(sc, ATMEGA_UECONX, 111602ac6454SAndrew Thompson ATMEGA_UECONX_EPEN | 111702ac6454SAndrew Thompson ATMEGA_UECONX_STALLRQ); 111802ac6454SAndrew Thompson } 111902ac6454SAndrew Thompson 112002ac6454SAndrew Thompson static void 112102ac6454SAndrew Thompson atmegadci_clear_stall_sub(struct atmegadci_softc *sc, uint8_t ep_no, 112202ac6454SAndrew Thompson uint8_t ep_type, uint8_t ep_dir) 112302ac6454SAndrew Thompson { 112402ac6454SAndrew Thompson uint8_t temp; 112502ac6454SAndrew Thompson 112602ac6454SAndrew Thompson if (ep_type == UE_CONTROL) { 112702ac6454SAndrew Thompson /* clearing stall is not needed */ 112802ac6454SAndrew Thompson return; 112902ac6454SAndrew Thompson } 113002ac6454SAndrew Thompson /* select endpoint number */ 113102ac6454SAndrew Thompson ATMEGA_WRITE_1(sc, ATMEGA_UENUM, ep_no); 113202ac6454SAndrew Thompson 113302ac6454SAndrew Thompson /* set endpoint reset */ 113402ac6454SAndrew Thompson ATMEGA_WRITE_1(sc, ATMEGA_UERST, ATMEGA_UERST_MASK(ep_no)); 113502ac6454SAndrew Thompson 113602ac6454SAndrew Thompson /* clear endpoint reset */ 113702ac6454SAndrew Thompson ATMEGA_WRITE_1(sc, ATMEGA_UERST, 0); 113802ac6454SAndrew Thompson 113902ac6454SAndrew Thompson /* set stall */ 114002ac6454SAndrew Thompson ATMEGA_WRITE_1(sc, ATMEGA_UECONX, 114102ac6454SAndrew Thompson ATMEGA_UECONX_EPEN | 114202ac6454SAndrew Thompson ATMEGA_UECONX_STALLRQ); 114302ac6454SAndrew Thompson 114402ac6454SAndrew Thompson /* reset data toggle */ 114502ac6454SAndrew Thompson ATMEGA_WRITE_1(sc, ATMEGA_UECONX, 114602ac6454SAndrew Thompson ATMEGA_UECONX_EPEN | 114702ac6454SAndrew Thompson ATMEGA_UECONX_RSTDT); 114802ac6454SAndrew Thompson 114902ac6454SAndrew Thompson /* clear stall */ 115002ac6454SAndrew Thompson ATMEGA_WRITE_1(sc, ATMEGA_UECONX, 115102ac6454SAndrew Thompson ATMEGA_UECONX_EPEN | 115202ac6454SAndrew Thompson ATMEGA_UECONX_STALLRQC); 115302ac6454SAndrew Thompson 1154d59dbd0aSAndrew Thompson do { 115502ac6454SAndrew Thompson temp = 0; 115602ac6454SAndrew Thompson if (ep_type == UE_BULK) { 115702ac6454SAndrew Thompson temp |= ATMEGA_UECFG0X_EPTYPE2; 115802ac6454SAndrew Thompson } else if (ep_type == UE_INTERRUPT) { 115902ac6454SAndrew Thompson temp |= ATMEGA_UECFG0X_EPTYPE3; 116002ac6454SAndrew Thompson } else { 116102ac6454SAndrew Thompson temp |= ATMEGA_UECFG0X_EPTYPE1; 116202ac6454SAndrew Thompson } 116302ac6454SAndrew Thompson if (ep_dir & UE_DIR_IN) { 116402ac6454SAndrew Thompson temp |= ATMEGA_UECFG0X_EPDIR; 116502ac6454SAndrew Thompson } 116602ac6454SAndrew Thompson /* two banks, 64-bytes wMaxPacket */ 116702ac6454SAndrew Thompson ATMEGA_WRITE_1(sc, ATMEGA_UECFG0X, temp); 116802ac6454SAndrew Thompson ATMEGA_WRITE_1(sc, ATMEGA_UECFG1X, 116902ac6454SAndrew Thompson ATMEGA_UECFG1X_ALLOC | 117002ac6454SAndrew Thompson ATMEGA_UECFG1X_EPBK1 | 1171d59dbd0aSAndrew Thompson ATMEGA_UECFG1X_EPSIZE(3)); 117202ac6454SAndrew Thompson 117302ac6454SAndrew Thompson temp = ATMEGA_READ_1(sc, ATMEGA_UESTA0X); 117402ac6454SAndrew Thompson if (!(temp & ATMEGA_UESTA0X_CFGOK)) { 117502ac6454SAndrew Thompson DPRINTFN(0, "Chip rejected configuration\n"); 117602ac6454SAndrew Thompson } 1177d59dbd0aSAndrew Thompson } while (0); 117802ac6454SAndrew Thompson } 117902ac6454SAndrew Thompson 118002ac6454SAndrew Thompson static void 118102ac6454SAndrew Thompson atmegadci_clear_stall(struct usb2_device *udev, struct usb2_pipe *pipe) 118202ac6454SAndrew Thompson { 118302ac6454SAndrew Thompson struct atmegadci_softc *sc; 118402ac6454SAndrew Thompson struct usb2_endpoint_descriptor *ed; 118502ac6454SAndrew Thompson 118602ac6454SAndrew Thompson DPRINTFN(5, "pipe=%p\n", pipe); 118702ac6454SAndrew Thompson 118802ac6454SAndrew Thompson USB_BUS_LOCK_ASSERT(udev->bus, MA_OWNED); 118902ac6454SAndrew Thompson 119002ac6454SAndrew Thompson /* check mode */ 119102ac6454SAndrew Thompson if (udev->flags.usb2_mode != USB_MODE_DEVICE) { 119202ac6454SAndrew Thompson /* not supported */ 119302ac6454SAndrew Thompson return; 119402ac6454SAndrew Thompson } 119502ac6454SAndrew Thompson /* get softc */ 119602ac6454SAndrew Thompson sc = ATMEGA_BUS2SC(udev->bus); 119702ac6454SAndrew Thompson 119802ac6454SAndrew Thompson /* get endpoint descriptor */ 119902ac6454SAndrew Thompson ed = pipe->edesc; 120002ac6454SAndrew Thompson 120102ac6454SAndrew Thompson /* reset endpoint */ 120202ac6454SAndrew Thompson atmegadci_clear_stall_sub(sc, 120302ac6454SAndrew Thompson (ed->bEndpointAddress & UE_ADDR), 120402ac6454SAndrew Thompson (ed->bmAttributes & UE_XFERTYPE), 120502ac6454SAndrew Thompson (ed->bEndpointAddress & (UE_DIR_IN | UE_DIR_OUT))); 120602ac6454SAndrew Thompson } 120702ac6454SAndrew Thompson 120802ac6454SAndrew Thompson usb2_error_t 120902ac6454SAndrew Thompson atmegadci_init(struct atmegadci_softc *sc) 121002ac6454SAndrew Thompson { 121102ac6454SAndrew Thompson uint8_t n; 121202ac6454SAndrew Thompson 121302ac6454SAndrew Thompson DPRINTF("start\n"); 121402ac6454SAndrew Thompson 121502ac6454SAndrew Thompson /* set up the bus structure */ 121602ac6454SAndrew Thompson sc->sc_bus.usbrev = USB_REV_1_1; 121702ac6454SAndrew Thompson sc->sc_bus.methods = &atmegadci_bus_methods; 121802ac6454SAndrew Thompson 121902ac6454SAndrew Thompson USB_BUS_LOCK(&sc->sc_bus); 1220d59dbd0aSAndrew Thompson #if 0 1221d59dbd0aSAndrew Thompson /* XXX TODO - currently done by boot strap */ 122202ac6454SAndrew Thompson 122302ac6454SAndrew Thompson /* enable USB PAD regulator */ 122402ac6454SAndrew Thompson ATMEGA_WRITE_1(sc, ATMEGA_UHWCON, 1225d59dbd0aSAndrew Thompson ATMEGA_UHWCON_UVREGE | ATMEGA_UHWCON_UIMOD); 1226d59dbd0aSAndrew Thompson #endif 1227df075012SAndrew Thompson /* make sure USB is enabled */ 1228df075012SAndrew Thompson ATMEGA_WRITE_1(sc, ATMEGA_USBCON, 1229df075012SAndrew Thompson ATMEGA_USBCON_USBE | 1230df075012SAndrew Thompson ATMEGA_USBCON_OTGPADE | 1231df075012SAndrew Thompson ATMEGA_USBCON_VBUSTE); 1232df075012SAndrew Thompson 123302ac6454SAndrew Thompson /* turn on clocks */ 123402ac6454SAndrew Thompson (sc->sc_clocks_on) (&sc->sc_bus); 123502ac6454SAndrew Thompson 1236d59dbd0aSAndrew Thompson /* make sure device is re-enumerated */ 1237d59dbd0aSAndrew Thompson ATMEGA_WRITE_1(sc, ATMEGA_UDCON, ATMEGA_UDCON_DETACH); 1238d59dbd0aSAndrew Thompson 123902ac6454SAndrew Thompson /* wait a little for things to stabilise */ 1240d59dbd0aSAndrew Thompson usb2_pause_mtx(&sc->sc_bus.bus_mtx, hz / 20); 124102ac6454SAndrew Thompson 124202ac6454SAndrew Thompson /* enable interrupts */ 124302ac6454SAndrew Thompson ATMEGA_WRITE_1(sc, ATMEGA_UDIEN, 124402ac6454SAndrew Thompson ATMEGA_UDINT_SUSPE | 124502ac6454SAndrew Thompson ATMEGA_UDINT_EORSTE); 124602ac6454SAndrew Thompson 124702ac6454SAndrew Thompson /* reset all endpoints */ 124802ac6454SAndrew Thompson ATMEGA_WRITE_1(sc, ATMEGA_UERST, 124902ac6454SAndrew Thompson (1 << ATMEGA_EP_MAX) - 1); 125002ac6454SAndrew Thompson 125102ac6454SAndrew Thompson /* disable reset */ 125202ac6454SAndrew Thompson ATMEGA_WRITE_1(sc, ATMEGA_UERST, 0); 125302ac6454SAndrew Thompson 125402ac6454SAndrew Thompson /* disable all endpoints */ 1255d59dbd0aSAndrew Thompson for (n = 0; n != ATMEGA_EP_MAX; n++) { 125602ac6454SAndrew Thompson 125702ac6454SAndrew Thompson /* select endpoint */ 125802ac6454SAndrew Thompson ATMEGA_WRITE_1(sc, ATMEGA_UENUM, n); 125902ac6454SAndrew Thompson 126002ac6454SAndrew Thompson /* disable endpoint interrupt */ 126102ac6454SAndrew Thompson ATMEGA_WRITE_1(sc, ATMEGA_UEIENX, 0); 126202ac6454SAndrew Thompson 126302ac6454SAndrew Thompson /* disable endpoint */ 126402ac6454SAndrew Thompson ATMEGA_WRITE_1(sc, ATMEGA_UECONX, 0); 126502ac6454SAndrew Thompson } 126602ac6454SAndrew Thompson 126702ac6454SAndrew Thompson /* turn off clocks */ 126802ac6454SAndrew Thompson 126902ac6454SAndrew Thompson atmegadci_clocks_off(sc); 127002ac6454SAndrew Thompson 1271d59dbd0aSAndrew Thompson /* read initial VBUS state */ 1272d59dbd0aSAndrew Thompson 1273d59dbd0aSAndrew Thompson n = ATMEGA_READ_1(sc, ATMEGA_USBSTA); 1274d59dbd0aSAndrew Thompson atmegadci_vbus_interrupt(sc, n & ATMEGA_USBSTA_VBUS); 1275d59dbd0aSAndrew Thompson 127602ac6454SAndrew Thompson USB_BUS_UNLOCK(&sc->sc_bus); 127702ac6454SAndrew Thompson 127802ac6454SAndrew Thompson /* catch any lost interrupts */ 127902ac6454SAndrew Thompson 128002ac6454SAndrew Thompson atmegadci_do_poll(&sc->sc_bus); 128102ac6454SAndrew Thompson 128202ac6454SAndrew Thompson return (0); /* success */ 128302ac6454SAndrew Thompson } 128402ac6454SAndrew Thompson 128502ac6454SAndrew Thompson void 128602ac6454SAndrew Thompson atmegadci_uninit(struct atmegadci_softc *sc) 128702ac6454SAndrew Thompson { 128802ac6454SAndrew Thompson USB_BUS_LOCK(&sc->sc_bus); 128902ac6454SAndrew Thompson 129002ac6454SAndrew Thompson /* turn on clocks */ 129102ac6454SAndrew Thompson (sc->sc_clocks_on) (&sc->sc_bus); 129202ac6454SAndrew Thompson 129302ac6454SAndrew Thompson /* disable interrupts */ 129402ac6454SAndrew Thompson ATMEGA_WRITE_1(sc, ATMEGA_UDIEN, 0); 129502ac6454SAndrew Thompson 129602ac6454SAndrew Thompson /* reset all endpoints */ 129702ac6454SAndrew Thompson ATMEGA_WRITE_1(sc, ATMEGA_UERST, 129802ac6454SAndrew Thompson (1 << ATMEGA_EP_MAX) - 1); 129902ac6454SAndrew Thompson 130002ac6454SAndrew Thompson /* disable reset */ 130102ac6454SAndrew Thompson ATMEGA_WRITE_1(sc, ATMEGA_UERST, 0); 130202ac6454SAndrew Thompson 130302ac6454SAndrew Thompson sc->sc_flags.port_powered = 0; 130402ac6454SAndrew Thompson sc->sc_flags.status_vbus = 0; 130502ac6454SAndrew Thompson sc->sc_flags.status_bus_reset = 0; 130602ac6454SAndrew Thompson sc->sc_flags.status_suspend = 0; 130702ac6454SAndrew Thompson sc->sc_flags.change_suspend = 0; 130802ac6454SAndrew Thompson sc->sc_flags.change_connect = 1; 130902ac6454SAndrew Thompson 131002ac6454SAndrew Thompson atmegadci_pull_down(sc); 131102ac6454SAndrew Thompson atmegadci_clocks_off(sc); 131202ac6454SAndrew Thompson 131302ac6454SAndrew Thompson /* disable USB PAD regulator */ 131402ac6454SAndrew Thompson ATMEGA_WRITE_1(sc, ATMEGA_UHWCON, 0); 131502ac6454SAndrew Thompson 131602ac6454SAndrew Thompson USB_BUS_UNLOCK(&sc->sc_bus); 131702ac6454SAndrew Thompson } 131802ac6454SAndrew Thompson 131902ac6454SAndrew Thompson void 132002ac6454SAndrew Thompson atmegadci_suspend(struct atmegadci_softc *sc) 132102ac6454SAndrew Thompson { 132202ac6454SAndrew Thompson return; 132302ac6454SAndrew Thompson } 132402ac6454SAndrew Thompson 132502ac6454SAndrew Thompson void 132602ac6454SAndrew Thompson atmegadci_resume(struct atmegadci_softc *sc) 132702ac6454SAndrew Thompson { 132802ac6454SAndrew Thompson return; 132902ac6454SAndrew Thompson } 133002ac6454SAndrew Thompson 133102ac6454SAndrew Thompson static void 133202ac6454SAndrew Thompson atmegadci_do_poll(struct usb2_bus *bus) 133302ac6454SAndrew Thompson { 133402ac6454SAndrew Thompson struct atmegadci_softc *sc = ATMEGA_BUS2SC(bus); 133502ac6454SAndrew Thompson 133602ac6454SAndrew Thompson USB_BUS_LOCK(&sc->sc_bus); 133702ac6454SAndrew Thompson atmegadci_interrupt_poll(sc); 133802ac6454SAndrew Thompson USB_BUS_UNLOCK(&sc->sc_bus); 133902ac6454SAndrew Thompson } 134002ac6454SAndrew Thompson 134102ac6454SAndrew Thompson /*------------------------------------------------------------------------* 134202ac6454SAndrew Thompson * at91dci bulk support 134302ac6454SAndrew Thompson * at91dci control support 134402ac6454SAndrew Thompson * at91dci interrupt support 134502ac6454SAndrew Thompson *------------------------------------------------------------------------*/ 134602ac6454SAndrew Thompson static void 13473b01d513SAndrew Thompson atmegadci_device_non_isoc_open(struct usb2_xfer *xfer) 134802ac6454SAndrew Thompson { 134902ac6454SAndrew Thompson return; 135002ac6454SAndrew Thompson } 135102ac6454SAndrew Thompson 135202ac6454SAndrew Thompson static void 13533b01d513SAndrew Thompson atmegadci_device_non_isoc_close(struct usb2_xfer *xfer) 135402ac6454SAndrew Thompson { 135502ac6454SAndrew Thompson atmegadci_device_done(xfer, USB_ERR_CANCELLED); 135602ac6454SAndrew Thompson } 135702ac6454SAndrew Thompson 135802ac6454SAndrew Thompson static void 13593b01d513SAndrew Thompson atmegadci_device_non_isoc_enter(struct usb2_xfer *xfer) 136002ac6454SAndrew Thompson { 136102ac6454SAndrew Thompson return; 136202ac6454SAndrew Thompson } 136302ac6454SAndrew Thompson 136402ac6454SAndrew Thompson static void 13653b01d513SAndrew Thompson atmegadci_device_non_isoc_start(struct usb2_xfer *xfer) 136602ac6454SAndrew Thompson { 136702ac6454SAndrew Thompson /* setup TDs */ 136802ac6454SAndrew Thompson atmegadci_setup_standard_chain(xfer); 136902ac6454SAndrew Thompson atmegadci_start_standard_chain(xfer); 137002ac6454SAndrew Thompson } 137102ac6454SAndrew Thompson 13723b01d513SAndrew Thompson struct usb2_pipe_methods atmegadci_device_non_isoc_methods = 137302ac6454SAndrew Thompson { 13743b01d513SAndrew Thompson .open = atmegadci_device_non_isoc_open, 13753b01d513SAndrew Thompson .close = atmegadci_device_non_isoc_close, 13763b01d513SAndrew Thompson .enter = atmegadci_device_non_isoc_enter, 13773b01d513SAndrew Thompson .start = atmegadci_device_non_isoc_start, 137802ac6454SAndrew Thompson }; 137902ac6454SAndrew Thompson 138002ac6454SAndrew Thompson /*------------------------------------------------------------------------* 138102ac6454SAndrew Thompson * at91dci full speed isochronous support 138202ac6454SAndrew Thompson *------------------------------------------------------------------------*/ 138302ac6454SAndrew Thompson static void 138402ac6454SAndrew Thompson atmegadci_device_isoc_fs_open(struct usb2_xfer *xfer) 138502ac6454SAndrew Thompson { 138602ac6454SAndrew Thompson return; 138702ac6454SAndrew Thompson } 138802ac6454SAndrew Thompson 138902ac6454SAndrew Thompson static void 139002ac6454SAndrew Thompson atmegadci_device_isoc_fs_close(struct usb2_xfer *xfer) 139102ac6454SAndrew Thompson { 139202ac6454SAndrew Thompson atmegadci_device_done(xfer, USB_ERR_CANCELLED); 139302ac6454SAndrew Thompson } 139402ac6454SAndrew Thompson 139502ac6454SAndrew Thompson static void 139602ac6454SAndrew Thompson atmegadci_device_isoc_fs_enter(struct usb2_xfer *xfer) 139702ac6454SAndrew Thompson { 139802ac6454SAndrew Thompson struct atmegadci_softc *sc = ATMEGA_BUS2SC(xfer->xroot->bus); 139902ac6454SAndrew Thompson uint32_t temp; 140002ac6454SAndrew Thompson uint32_t nframes; 140102ac6454SAndrew Thompson 140202ac6454SAndrew Thompson DPRINTFN(6, "xfer=%p next=%d nframes=%d\n", 140302ac6454SAndrew Thompson xfer, xfer->pipe->isoc_next, xfer->nframes); 140402ac6454SAndrew Thompson 140502ac6454SAndrew Thompson /* get the current frame index */ 140602ac6454SAndrew Thompson 140702ac6454SAndrew Thompson nframes = 140802ac6454SAndrew Thompson (ATMEGA_READ_1(sc, ATMEGA_UDFNUMH) << 8) | 140902ac6454SAndrew Thompson (ATMEGA_READ_1(sc, ATMEGA_UDFNUML)); 141002ac6454SAndrew Thompson 141102ac6454SAndrew Thompson nframes &= ATMEGA_FRAME_MASK; 141202ac6454SAndrew Thompson 141302ac6454SAndrew Thompson /* 141402ac6454SAndrew Thompson * check if the frame index is within the window where the frames 141502ac6454SAndrew Thompson * will be inserted 141602ac6454SAndrew Thompson */ 141702ac6454SAndrew Thompson temp = (nframes - xfer->pipe->isoc_next) & ATMEGA_FRAME_MASK; 141802ac6454SAndrew Thompson 141902ac6454SAndrew Thompson if ((xfer->pipe->is_synced == 0) || 142002ac6454SAndrew Thompson (temp < xfer->nframes)) { 142102ac6454SAndrew Thompson /* 142202ac6454SAndrew Thompson * If there is data underflow or the pipe queue is 142302ac6454SAndrew Thompson * empty we schedule the transfer a few frames ahead 142402ac6454SAndrew Thompson * of the current frame position. Else two isochronous 142502ac6454SAndrew Thompson * transfers might overlap. 142602ac6454SAndrew Thompson */ 142702ac6454SAndrew Thompson xfer->pipe->isoc_next = (nframes + 3) & ATMEGA_FRAME_MASK; 142802ac6454SAndrew Thompson xfer->pipe->is_synced = 1; 142902ac6454SAndrew Thompson DPRINTFN(3, "start next=%d\n", xfer->pipe->isoc_next); 143002ac6454SAndrew Thompson } 143102ac6454SAndrew Thompson /* 143202ac6454SAndrew Thompson * compute how many milliseconds the insertion is ahead of the 143302ac6454SAndrew Thompson * current frame position: 143402ac6454SAndrew Thompson */ 143502ac6454SAndrew Thompson temp = (xfer->pipe->isoc_next - nframes) & ATMEGA_FRAME_MASK; 143602ac6454SAndrew Thompson 143702ac6454SAndrew Thompson /* 143802ac6454SAndrew Thompson * pre-compute when the isochronous transfer will be finished: 143902ac6454SAndrew Thompson */ 144002ac6454SAndrew Thompson xfer->isoc_time_complete = 144102ac6454SAndrew Thompson usb2_isoc_time_expand(&sc->sc_bus, nframes) + temp + 144202ac6454SAndrew Thompson xfer->nframes; 144302ac6454SAndrew Thompson 144402ac6454SAndrew Thompson /* compute frame number for next insertion */ 144502ac6454SAndrew Thompson xfer->pipe->isoc_next += xfer->nframes; 144602ac6454SAndrew Thompson 144702ac6454SAndrew Thompson /* setup TDs */ 144802ac6454SAndrew Thompson atmegadci_setup_standard_chain(xfer); 144902ac6454SAndrew Thompson } 145002ac6454SAndrew Thompson 145102ac6454SAndrew Thompson static void 145202ac6454SAndrew Thompson atmegadci_device_isoc_fs_start(struct usb2_xfer *xfer) 145302ac6454SAndrew Thompson { 145402ac6454SAndrew Thompson /* start TD chain */ 145502ac6454SAndrew Thompson atmegadci_start_standard_chain(xfer); 145602ac6454SAndrew Thompson } 145702ac6454SAndrew Thompson 145802ac6454SAndrew Thompson struct usb2_pipe_methods atmegadci_device_isoc_fs_methods = 145902ac6454SAndrew Thompson { 146002ac6454SAndrew Thompson .open = atmegadci_device_isoc_fs_open, 146102ac6454SAndrew Thompson .close = atmegadci_device_isoc_fs_close, 146202ac6454SAndrew Thompson .enter = atmegadci_device_isoc_fs_enter, 146302ac6454SAndrew Thompson .start = atmegadci_device_isoc_fs_start, 146402ac6454SAndrew Thompson }; 146502ac6454SAndrew Thompson 146602ac6454SAndrew Thompson /*------------------------------------------------------------------------* 146702ac6454SAndrew Thompson * at91dci root control support 146802ac6454SAndrew Thompson *------------------------------------------------------------------------* 146939307315SAndrew Thompson * Simulate a hardware HUB by handling all the necessary requests. 147002ac6454SAndrew Thompson *------------------------------------------------------------------------*/ 147102ac6454SAndrew Thompson 147202ac6454SAndrew Thompson static const struct usb2_device_descriptor atmegadci_devd = { 147302ac6454SAndrew Thompson .bLength = sizeof(struct usb2_device_descriptor), 147402ac6454SAndrew Thompson .bDescriptorType = UDESC_DEVICE, 147502ac6454SAndrew Thompson .bcdUSB = {0x00, 0x02}, 147602ac6454SAndrew Thompson .bDeviceClass = UDCLASS_HUB, 147702ac6454SAndrew Thompson .bDeviceSubClass = UDSUBCLASS_HUB, 147802ac6454SAndrew Thompson .bDeviceProtocol = UDPROTO_HSHUBSTT, 147902ac6454SAndrew Thompson .bMaxPacketSize = 64, 148002ac6454SAndrew Thompson .bcdDevice = {0x00, 0x01}, 148102ac6454SAndrew Thompson .iManufacturer = 1, 148202ac6454SAndrew Thompson .iProduct = 2, 148302ac6454SAndrew Thompson .bNumConfigurations = 1, 148402ac6454SAndrew Thompson }; 148502ac6454SAndrew Thompson 148602ac6454SAndrew Thompson static const struct usb2_device_qualifier atmegadci_odevd = { 148702ac6454SAndrew Thompson .bLength = sizeof(struct usb2_device_qualifier), 148802ac6454SAndrew Thompson .bDescriptorType = UDESC_DEVICE_QUALIFIER, 148902ac6454SAndrew Thompson .bcdUSB = {0x00, 0x02}, 149002ac6454SAndrew Thompson .bDeviceClass = UDCLASS_HUB, 149102ac6454SAndrew Thompson .bDeviceSubClass = UDSUBCLASS_HUB, 149202ac6454SAndrew Thompson .bDeviceProtocol = UDPROTO_FSHUB, 149302ac6454SAndrew Thompson .bMaxPacketSize0 = 0, 149402ac6454SAndrew Thompson .bNumConfigurations = 0, 149502ac6454SAndrew Thompson }; 149602ac6454SAndrew Thompson 149702ac6454SAndrew Thompson static const struct atmegadci_config_desc atmegadci_confd = { 149802ac6454SAndrew Thompson .confd = { 149902ac6454SAndrew Thompson .bLength = sizeof(struct usb2_config_descriptor), 150002ac6454SAndrew Thompson .bDescriptorType = UDESC_CONFIG, 150102ac6454SAndrew Thompson .wTotalLength[0] = sizeof(atmegadci_confd), 150202ac6454SAndrew Thompson .bNumInterface = 1, 150302ac6454SAndrew Thompson .bConfigurationValue = 1, 150402ac6454SAndrew Thompson .iConfiguration = 0, 150502ac6454SAndrew Thompson .bmAttributes = UC_SELF_POWERED, 150602ac6454SAndrew Thompson .bMaxPower = 0, 150702ac6454SAndrew Thompson }, 150802ac6454SAndrew Thompson .ifcd = { 150902ac6454SAndrew Thompson .bLength = sizeof(struct usb2_interface_descriptor), 151002ac6454SAndrew Thompson .bDescriptorType = UDESC_INTERFACE, 151102ac6454SAndrew Thompson .bNumEndpoints = 1, 151202ac6454SAndrew Thompson .bInterfaceClass = UICLASS_HUB, 151302ac6454SAndrew Thompson .bInterfaceSubClass = UISUBCLASS_HUB, 151402ac6454SAndrew Thompson .bInterfaceProtocol = UIPROTO_HSHUBSTT, 151502ac6454SAndrew Thompson }, 151602ac6454SAndrew Thompson .endpd = { 151702ac6454SAndrew Thompson .bLength = sizeof(struct usb2_endpoint_descriptor), 151802ac6454SAndrew Thompson .bDescriptorType = UDESC_ENDPOINT, 151902ac6454SAndrew Thompson .bEndpointAddress = (UE_DIR_IN | ATMEGA_INTR_ENDPT), 152002ac6454SAndrew Thompson .bmAttributes = UE_INTERRUPT, 152102ac6454SAndrew Thompson .wMaxPacketSize[0] = 8, 152202ac6454SAndrew Thompson .bInterval = 255, 152302ac6454SAndrew Thompson }, 152402ac6454SAndrew Thompson }; 152502ac6454SAndrew Thompson 152602ac6454SAndrew Thompson static const struct usb2_hub_descriptor_min atmegadci_hubd = { 152702ac6454SAndrew Thompson .bDescLength = sizeof(atmegadci_hubd), 152802ac6454SAndrew Thompson .bDescriptorType = UDESC_HUB, 152902ac6454SAndrew Thompson .bNbrPorts = 1, 153002ac6454SAndrew Thompson .wHubCharacteristics[0] = 153102ac6454SAndrew Thompson (UHD_PWR_NO_SWITCH | UHD_OC_INDIVIDUAL) & 0xFF, 153202ac6454SAndrew Thompson .wHubCharacteristics[1] = 153302ac6454SAndrew Thompson (UHD_PWR_NO_SWITCH | UHD_OC_INDIVIDUAL) >> 8, 153402ac6454SAndrew Thompson .bPwrOn2PwrGood = 50, 153502ac6454SAndrew Thompson .bHubContrCurrent = 0, 153602ac6454SAndrew Thompson .DeviceRemovable = {0}, /* port is removable */ 153702ac6454SAndrew Thompson }; 153802ac6454SAndrew Thompson 153902ac6454SAndrew Thompson #define STRING_LANG \ 154002ac6454SAndrew Thompson 0x09, 0x04, /* American English */ 154102ac6454SAndrew Thompson 154202ac6454SAndrew Thompson #define STRING_VENDOR \ 154302ac6454SAndrew Thompson 'A', 0, 'T', 0, 'M', 0, 'E', 0, 'G', 0, 'A', 0 154402ac6454SAndrew Thompson 154502ac6454SAndrew Thompson #define STRING_PRODUCT \ 154602ac6454SAndrew Thompson 'D', 0, 'C', 0, 'I', 0, ' ', 0, 'R', 0, \ 154702ac6454SAndrew Thompson 'o', 0, 'o', 0, 't', 0, ' ', 0, 'H', 0, \ 154802ac6454SAndrew Thompson 'U', 0, 'B', 0, 154902ac6454SAndrew Thompson 155002ac6454SAndrew Thompson USB_MAKE_STRING_DESC(STRING_LANG, atmegadci_langtab); 155102ac6454SAndrew Thompson USB_MAKE_STRING_DESC(STRING_VENDOR, atmegadci_vendor); 155202ac6454SAndrew Thompson USB_MAKE_STRING_DESC(STRING_PRODUCT, atmegadci_product); 155302ac6454SAndrew Thompson 155402ac6454SAndrew Thompson static void 155539307315SAndrew Thompson atmegadci_roothub_exec(struct usb2_bus *bus) 155602ac6454SAndrew Thompson { 155739307315SAndrew Thompson struct atmegadci_softc *sc = ATMEGA_BUS2SC(bus); 155839307315SAndrew Thompson struct usb2_sw_transfer *std = &sc->sc_bus.roothub_req; 155902ac6454SAndrew Thompson uint16_t value; 156002ac6454SAndrew Thompson uint16_t index; 1561d59dbd0aSAndrew Thompson uint8_t temp; 156202ac6454SAndrew Thompson 156302ac6454SAndrew Thompson USB_BUS_LOCK_ASSERT(&sc->sc_bus, MA_OWNED); 156402ac6454SAndrew Thompson 156502ac6454SAndrew Thompson /* buffer reset */ 156602ac6454SAndrew Thompson std->ptr = USB_ADD_BYTES(&sc->sc_hub_temp, 0); 156702ac6454SAndrew Thompson std->len = 0; 156802ac6454SAndrew Thompson 156902ac6454SAndrew Thompson value = UGETW(std->req.wValue); 157002ac6454SAndrew Thompson index = UGETW(std->req.wIndex); 157102ac6454SAndrew Thompson 157202ac6454SAndrew Thompson /* demultiplex the control request */ 157302ac6454SAndrew Thompson 157402ac6454SAndrew Thompson switch (std->req.bmRequestType) { 157502ac6454SAndrew Thompson case UT_READ_DEVICE: 157602ac6454SAndrew Thompson switch (std->req.bRequest) { 157702ac6454SAndrew Thompson case UR_GET_DESCRIPTOR: 157802ac6454SAndrew Thompson goto tr_handle_get_descriptor; 157902ac6454SAndrew Thompson case UR_GET_CONFIG: 158002ac6454SAndrew Thompson goto tr_handle_get_config; 158102ac6454SAndrew Thompson case UR_GET_STATUS: 158202ac6454SAndrew Thompson goto tr_handle_get_status; 158302ac6454SAndrew Thompson default: 158402ac6454SAndrew Thompson goto tr_stalled; 158502ac6454SAndrew Thompson } 158602ac6454SAndrew Thompson break; 158702ac6454SAndrew Thompson 158802ac6454SAndrew Thompson case UT_WRITE_DEVICE: 158902ac6454SAndrew Thompson switch (std->req.bRequest) { 159002ac6454SAndrew Thompson case UR_SET_ADDRESS: 159102ac6454SAndrew Thompson goto tr_handle_set_address; 159202ac6454SAndrew Thompson case UR_SET_CONFIG: 159302ac6454SAndrew Thompson goto tr_handle_set_config; 159402ac6454SAndrew Thompson case UR_CLEAR_FEATURE: 159502ac6454SAndrew Thompson goto tr_valid; /* nop */ 159602ac6454SAndrew Thompson case UR_SET_DESCRIPTOR: 159702ac6454SAndrew Thompson goto tr_valid; /* nop */ 159802ac6454SAndrew Thompson case UR_SET_FEATURE: 159902ac6454SAndrew Thompson default: 160002ac6454SAndrew Thompson goto tr_stalled; 160102ac6454SAndrew Thompson } 160202ac6454SAndrew Thompson break; 160302ac6454SAndrew Thompson 160402ac6454SAndrew Thompson case UT_WRITE_ENDPOINT: 160502ac6454SAndrew Thompson switch (std->req.bRequest) { 160602ac6454SAndrew Thompson case UR_CLEAR_FEATURE: 160702ac6454SAndrew Thompson switch (UGETW(std->req.wValue)) { 160802ac6454SAndrew Thompson case UF_ENDPOINT_HALT: 160902ac6454SAndrew Thompson goto tr_handle_clear_halt; 161002ac6454SAndrew Thompson case UF_DEVICE_REMOTE_WAKEUP: 161102ac6454SAndrew Thompson goto tr_handle_clear_wakeup; 161202ac6454SAndrew Thompson default: 161302ac6454SAndrew Thompson goto tr_stalled; 161402ac6454SAndrew Thompson } 161502ac6454SAndrew Thompson break; 161602ac6454SAndrew Thompson case UR_SET_FEATURE: 161702ac6454SAndrew Thompson switch (UGETW(std->req.wValue)) { 161802ac6454SAndrew Thompson case UF_ENDPOINT_HALT: 161902ac6454SAndrew Thompson goto tr_handle_set_halt; 162002ac6454SAndrew Thompson case UF_DEVICE_REMOTE_WAKEUP: 162102ac6454SAndrew Thompson goto tr_handle_set_wakeup; 162202ac6454SAndrew Thompson default: 162302ac6454SAndrew Thompson goto tr_stalled; 162402ac6454SAndrew Thompson } 162502ac6454SAndrew Thompson break; 162602ac6454SAndrew Thompson case UR_SYNCH_FRAME: 162702ac6454SAndrew Thompson goto tr_valid; /* nop */ 162802ac6454SAndrew Thompson default: 162902ac6454SAndrew Thompson goto tr_stalled; 163002ac6454SAndrew Thompson } 163102ac6454SAndrew Thompson break; 163202ac6454SAndrew Thompson 163302ac6454SAndrew Thompson case UT_READ_ENDPOINT: 163402ac6454SAndrew Thompson switch (std->req.bRequest) { 163502ac6454SAndrew Thompson case UR_GET_STATUS: 163602ac6454SAndrew Thompson goto tr_handle_get_ep_status; 163702ac6454SAndrew Thompson default: 163802ac6454SAndrew Thompson goto tr_stalled; 163902ac6454SAndrew Thompson } 164002ac6454SAndrew Thompson break; 164102ac6454SAndrew Thompson 164202ac6454SAndrew Thompson case UT_WRITE_INTERFACE: 164302ac6454SAndrew Thompson switch (std->req.bRequest) { 164402ac6454SAndrew Thompson case UR_SET_INTERFACE: 164502ac6454SAndrew Thompson goto tr_handle_set_interface; 164602ac6454SAndrew Thompson case UR_CLEAR_FEATURE: 164702ac6454SAndrew Thompson goto tr_valid; /* nop */ 164802ac6454SAndrew Thompson case UR_SET_FEATURE: 164902ac6454SAndrew Thompson default: 165002ac6454SAndrew Thompson goto tr_stalled; 165102ac6454SAndrew Thompson } 165202ac6454SAndrew Thompson break; 165302ac6454SAndrew Thompson 165402ac6454SAndrew Thompson case UT_READ_INTERFACE: 165502ac6454SAndrew Thompson switch (std->req.bRequest) { 165602ac6454SAndrew Thompson case UR_GET_INTERFACE: 165702ac6454SAndrew Thompson goto tr_handle_get_interface; 165802ac6454SAndrew Thompson case UR_GET_STATUS: 165902ac6454SAndrew Thompson goto tr_handle_get_iface_status; 166002ac6454SAndrew Thompson default: 166102ac6454SAndrew Thompson goto tr_stalled; 166202ac6454SAndrew Thompson } 166302ac6454SAndrew Thompson break; 166402ac6454SAndrew Thompson 166502ac6454SAndrew Thompson case UT_WRITE_CLASS_INTERFACE: 166602ac6454SAndrew Thompson case UT_WRITE_VENDOR_INTERFACE: 166702ac6454SAndrew Thompson /* XXX forward */ 166802ac6454SAndrew Thompson break; 166902ac6454SAndrew Thompson 167002ac6454SAndrew Thompson case UT_READ_CLASS_INTERFACE: 167102ac6454SAndrew Thompson case UT_READ_VENDOR_INTERFACE: 167202ac6454SAndrew Thompson /* XXX forward */ 167302ac6454SAndrew Thompson break; 167402ac6454SAndrew Thompson 167502ac6454SAndrew Thompson case UT_WRITE_CLASS_DEVICE: 167602ac6454SAndrew Thompson switch (std->req.bRequest) { 167702ac6454SAndrew Thompson case UR_CLEAR_FEATURE: 167802ac6454SAndrew Thompson goto tr_valid; 167902ac6454SAndrew Thompson case UR_SET_DESCRIPTOR: 168002ac6454SAndrew Thompson case UR_SET_FEATURE: 168102ac6454SAndrew Thompson break; 168202ac6454SAndrew Thompson default: 168302ac6454SAndrew Thompson goto tr_stalled; 168402ac6454SAndrew Thompson } 168502ac6454SAndrew Thompson break; 168602ac6454SAndrew Thompson 168702ac6454SAndrew Thompson case UT_WRITE_CLASS_OTHER: 168802ac6454SAndrew Thompson switch (std->req.bRequest) { 168902ac6454SAndrew Thompson case UR_CLEAR_FEATURE: 169002ac6454SAndrew Thompson goto tr_handle_clear_port_feature; 169102ac6454SAndrew Thompson case UR_SET_FEATURE: 169202ac6454SAndrew Thompson goto tr_handle_set_port_feature; 169302ac6454SAndrew Thompson case UR_CLEAR_TT_BUFFER: 169402ac6454SAndrew Thompson case UR_RESET_TT: 169502ac6454SAndrew Thompson case UR_STOP_TT: 169602ac6454SAndrew Thompson goto tr_valid; 169702ac6454SAndrew Thompson 169802ac6454SAndrew Thompson default: 169902ac6454SAndrew Thompson goto tr_stalled; 170002ac6454SAndrew Thompson } 170102ac6454SAndrew Thompson break; 170202ac6454SAndrew Thompson 170302ac6454SAndrew Thompson case UT_READ_CLASS_OTHER: 170402ac6454SAndrew Thompson switch (std->req.bRequest) { 170502ac6454SAndrew Thompson case UR_GET_TT_STATE: 170602ac6454SAndrew Thompson goto tr_handle_get_tt_state; 170702ac6454SAndrew Thompson case UR_GET_STATUS: 170802ac6454SAndrew Thompson goto tr_handle_get_port_status; 170902ac6454SAndrew Thompson default: 171002ac6454SAndrew Thompson goto tr_stalled; 171102ac6454SAndrew Thompson } 171202ac6454SAndrew Thompson break; 171302ac6454SAndrew Thompson 171402ac6454SAndrew Thompson case UT_READ_CLASS_DEVICE: 171502ac6454SAndrew Thompson switch (std->req.bRequest) { 171602ac6454SAndrew Thompson case UR_GET_DESCRIPTOR: 171702ac6454SAndrew Thompson goto tr_handle_get_class_descriptor; 171802ac6454SAndrew Thompson case UR_GET_STATUS: 171902ac6454SAndrew Thompson goto tr_handle_get_class_status; 172002ac6454SAndrew Thompson 172102ac6454SAndrew Thompson default: 172202ac6454SAndrew Thompson goto tr_stalled; 172302ac6454SAndrew Thompson } 172402ac6454SAndrew Thompson break; 172502ac6454SAndrew Thompson default: 172602ac6454SAndrew Thompson goto tr_stalled; 172702ac6454SAndrew Thompson } 172802ac6454SAndrew Thompson goto tr_valid; 172902ac6454SAndrew Thompson 173002ac6454SAndrew Thompson tr_handle_get_descriptor: 173102ac6454SAndrew Thompson switch (value >> 8) { 173202ac6454SAndrew Thompson case UDESC_DEVICE: 173302ac6454SAndrew Thompson if (value & 0xff) { 173402ac6454SAndrew Thompson goto tr_stalled; 173502ac6454SAndrew Thompson } 173602ac6454SAndrew Thompson std->len = sizeof(atmegadci_devd); 173702ac6454SAndrew Thompson std->ptr = USB_ADD_BYTES(&atmegadci_devd, 0); 173802ac6454SAndrew Thompson goto tr_valid; 173902ac6454SAndrew Thompson case UDESC_CONFIG: 174002ac6454SAndrew Thompson if (value & 0xff) { 174102ac6454SAndrew Thompson goto tr_stalled; 174202ac6454SAndrew Thompson } 174302ac6454SAndrew Thompson std->len = sizeof(atmegadci_confd); 174402ac6454SAndrew Thompson std->ptr = USB_ADD_BYTES(&atmegadci_confd, 0); 174502ac6454SAndrew Thompson goto tr_valid; 174602ac6454SAndrew Thompson case UDESC_STRING: 174702ac6454SAndrew Thompson switch (value & 0xff) { 174802ac6454SAndrew Thompson case 0: /* Language table */ 174902ac6454SAndrew Thompson std->len = sizeof(atmegadci_langtab); 175002ac6454SAndrew Thompson std->ptr = USB_ADD_BYTES(&atmegadci_langtab, 0); 175102ac6454SAndrew Thompson goto tr_valid; 175202ac6454SAndrew Thompson 175302ac6454SAndrew Thompson case 1: /* Vendor */ 175402ac6454SAndrew Thompson std->len = sizeof(atmegadci_vendor); 175502ac6454SAndrew Thompson std->ptr = USB_ADD_BYTES(&atmegadci_vendor, 0); 175602ac6454SAndrew Thompson goto tr_valid; 175702ac6454SAndrew Thompson 175802ac6454SAndrew Thompson case 2: /* Product */ 175902ac6454SAndrew Thompson std->len = sizeof(atmegadci_product); 176002ac6454SAndrew Thompson std->ptr = USB_ADD_BYTES(&atmegadci_product, 0); 176102ac6454SAndrew Thompson goto tr_valid; 176202ac6454SAndrew Thompson default: 176302ac6454SAndrew Thompson break; 176402ac6454SAndrew Thompson } 176502ac6454SAndrew Thompson break; 176602ac6454SAndrew Thompson default: 176702ac6454SAndrew Thompson goto tr_stalled; 176802ac6454SAndrew Thompson } 176902ac6454SAndrew Thompson goto tr_stalled; 177002ac6454SAndrew Thompson 177102ac6454SAndrew Thompson tr_handle_get_config: 177202ac6454SAndrew Thompson std->len = 1; 177302ac6454SAndrew Thompson sc->sc_hub_temp.wValue[0] = sc->sc_conf; 177402ac6454SAndrew Thompson goto tr_valid; 177502ac6454SAndrew Thompson 177602ac6454SAndrew Thompson tr_handle_get_status: 177702ac6454SAndrew Thompson std->len = 2; 177802ac6454SAndrew Thompson USETW(sc->sc_hub_temp.wValue, UDS_SELF_POWERED); 177902ac6454SAndrew Thompson goto tr_valid; 178002ac6454SAndrew Thompson 178102ac6454SAndrew Thompson tr_handle_set_address: 178202ac6454SAndrew Thompson if (value & 0xFF00) { 178302ac6454SAndrew Thompson goto tr_stalled; 178402ac6454SAndrew Thompson } 178502ac6454SAndrew Thompson sc->sc_rt_addr = value; 178602ac6454SAndrew Thompson goto tr_valid; 178702ac6454SAndrew Thompson 178802ac6454SAndrew Thompson tr_handle_set_config: 178902ac6454SAndrew Thompson if (value >= 2) { 179002ac6454SAndrew Thompson goto tr_stalled; 179102ac6454SAndrew Thompson } 179202ac6454SAndrew Thompson sc->sc_conf = value; 179302ac6454SAndrew Thompson goto tr_valid; 179402ac6454SAndrew Thompson 179502ac6454SAndrew Thompson tr_handle_get_interface: 179602ac6454SAndrew Thompson std->len = 1; 179702ac6454SAndrew Thompson sc->sc_hub_temp.wValue[0] = 0; 179802ac6454SAndrew Thompson goto tr_valid; 179902ac6454SAndrew Thompson 180002ac6454SAndrew Thompson tr_handle_get_tt_state: 180102ac6454SAndrew Thompson tr_handle_get_class_status: 180202ac6454SAndrew Thompson tr_handle_get_iface_status: 180302ac6454SAndrew Thompson tr_handle_get_ep_status: 180402ac6454SAndrew Thompson std->len = 2; 180502ac6454SAndrew Thompson USETW(sc->sc_hub_temp.wValue, 0); 180602ac6454SAndrew Thompson goto tr_valid; 180702ac6454SAndrew Thompson 180802ac6454SAndrew Thompson tr_handle_set_halt: 180902ac6454SAndrew Thompson tr_handle_set_interface: 181002ac6454SAndrew Thompson tr_handle_set_wakeup: 181102ac6454SAndrew Thompson tr_handle_clear_wakeup: 181202ac6454SAndrew Thompson tr_handle_clear_halt: 181302ac6454SAndrew Thompson goto tr_valid; 181402ac6454SAndrew Thompson 181502ac6454SAndrew Thompson tr_handle_clear_port_feature: 181602ac6454SAndrew Thompson if (index != 1) { 181702ac6454SAndrew Thompson goto tr_stalled; 181802ac6454SAndrew Thompson } 181902ac6454SAndrew Thompson DPRINTFN(9, "UR_CLEAR_PORT_FEATURE on port %d\n", index); 182002ac6454SAndrew Thompson 182102ac6454SAndrew Thompson switch (value) { 182202ac6454SAndrew Thompson case UHF_PORT_SUSPEND: 182339307315SAndrew Thompson atmegadci_wakeup_peer(sc); 182402ac6454SAndrew Thompson break; 182502ac6454SAndrew Thompson 182602ac6454SAndrew Thompson case UHF_PORT_ENABLE: 182702ac6454SAndrew Thompson sc->sc_flags.port_enabled = 0; 182802ac6454SAndrew Thompson break; 182902ac6454SAndrew Thompson 183002ac6454SAndrew Thompson case UHF_PORT_TEST: 183102ac6454SAndrew Thompson case UHF_PORT_INDICATOR: 183202ac6454SAndrew Thompson case UHF_C_PORT_ENABLE: 183302ac6454SAndrew Thompson case UHF_C_PORT_OVER_CURRENT: 183402ac6454SAndrew Thompson case UHF_C_PORT_RESET: 183502ac6454SAndrew Thompson /* nops */ 183602ac6454SAndrew Thompson break; 183702ac6454SAndrew Thompson case UHF_PORT_POWER: 183802ac6454SAndrew Thompson sc->sc_flags.port_powered = 0; 183902ac6454SAndrew Thompson atmegadci_pull_down(sc); 184002ac6454SAndrew Thompson atmegadci_clocks_off(sc); 184102ac6454SAndrew Thompson break; 184202ac6454SAndrew Thompson case UHF_C_PORT_CONNECTION: 1843d59dbd0aSAndrew Thompson /* clear connect change flag */ 184402ac6454SAndrew Thompson sc->sc_flags.change_connect = 0; 1845d59dbd0aSAndrew Thompson 1846d59dbd0aSAndrew Thompson /* configure the control endpoint */ 1847d59dbd0aSAndrew Thompson 1848d59dbd0aSAndrew Thompson /* select endpoint number */ 1849d59dbd0aSAndrew Thompson ATMEGA_WRITE_1(sc, ATMEGA_UENUM, 0); 1850d59dbd0aSAndrew Thompson 1851d59dbd0aSAndrew Thompson /* set endpoint reset */ 1852d59dbd0aSAndrew Thompson ATMEGA_WRITE_1(sc, ATMEGA_UERST, ATMEGA_UERST_MASK(0)); 1853d59dbd0aSAndrew Thompson 1854d59dbd0aSAndrew Thompson /* clear endpoint reset */ 1855d59dbd0aSAndrew Thompson ATMEGA_WRITE_1(sc, ATMEGA_UERST, 0); 1856d59dbd0aSAndrew Thompson 1857d59dbd0aSAndrew Thompson /* enable and stall endpoint */ 1858d59dbd0aSAndrew Thompson ATMEGA_WRITE_1(sc, ATMEGA_UECONX, 1859d59dbd0aSAndrew Thompson ATMEGA_UECONX_EPEN | 1860d59dbd0aSAndrew Thompson ATMEGA_UECONX_STALLRQ); 1861d59dbd0aSAndrew Thompson 1862d59dbd0aSAndrew Thompson /* one bank, 64-bytes wMaxPacket */ 1863d59dbd0aSAndrew Thompson ATMEGA_WRITE_1(sc, ATMEGA_UECFG0X, 1864d59dbd0aSAndrew Thompson ATMEGA_UECFG0X_EPTYPE0); 1865d59dbd0aSAndrew Thompson ATMEGA_WRITE_1(sc, ATMEGA_UECFG1X, 1866d59dbd0aSAndrew Thompson ATMEGA_UECFG1X_ALLOC | 1867d59dbd0aSAndrew Thompson ATMEGA_UECFG1X_EPBK0 | 1868d59dbd0aSAndrew Thompson ATMEGA_UECFG1X_EPSIZE(3)); 1869d59dbd0aSAndrew Thompson 1870d59dbd0aSAndrew Thompson /* check valid config */ 1871d59dbd0aSAndrew Thompson temp = ATMEGA_READ_1(sc, ATMEGA_UESTA0X); 1872d59dbd0aSAndrew Thompson if (!(temp & ATMEGA_UESTA0X_CFGOK)) { 1873d59dbd0aSAndrew Thompson DPRINTFN(0, "Chip rejected EP0 configuration\n"); 1874d59dbd0aSAndrew Thompson } 187502ac6454SAndrew Thompson break; 187602ac6454SAndrew Thompson case UHF_C_PORT_SUSPEND: 187702ac6454SAndrew Thompson sc->sc_flags.change_suspend = 0; 187802ac6454SAndrew Thompson break; 187902ac6454SAndrew Thompson default: 188002ac6454SAndrew Thompson std->err = USB_ERR_IOERROR; 188102ac6454SAndrew Thompson goto done; 188202ac6454SAndrew Thompson } 188302ac6454SAndrew Thompson goto tr_valid; 188402ac6454SAndrew Thompson 188502ac6454SAndrew Thompson tr_handle_set_port_feature: 188602ac6454SAndrew Thompson if (index != 1) { 188702ac6454SAndrew Thompson goto tr_stalled; 188802ac6454SAndrew Thompson } 188902ac6454SAndrew Thompson DPRINTFN(9, "UR_SET_PORT_FEATURE\n"); 189002ac6454SAndrew Thompson 189102ac6454SAndrew Thompson switch (value) { 189202ac6454SAndrew Thompson case UHF_PORT_ENABLE: 189302ac6454SAndrew Thompson sc->sc_flags.port_enabled = 1; 189402ac6454SAndrew Thompson break; 189502ac6454SAndrew Thompson case UHF_PORT_SUSPEND: 189602ac6454SAndrew Thompson case UHF_PORT_RESET: 189702ac6454SAndrew Thompson case UHF_PORT_TEST: 189802ac6454SAndrew Thompson case UHF_PORT_INDICATOR: 189902ac6454SAndrew Thompson /* nops */ 190002ac6454SAndrew Thompson break; 190102ac6454SAndrew Thompson case UHF_PORT_POWER: 190202ac6454SAndrew Thompson sc->sc_flags.port_powered = 1; 190302ac6454SAndrew Thompson break; 190402ac6454SAndrew Thompson default: 190502ac6454SAndrew Thompson std->err = USB_ERR_IOERROR; 190602ac6454SAndrew Thompson goto done; 190702ac6454SAndrew Thompson } 190802ac6454SAndrew Thompson goto tr_valid; 190902ac6454SAndrew Thompson 191002ac6454SAndrew Thompson tr_handle_get_port_status: 191102ac6454SAndrew Thompson 191202ac6454SAndrew Thompson DPRINTFN(9, "UR_GET_PORT_STATUS\n"); 191302ac6454SAndrew Thompson 191402ac6454SAndrew Thompson if (index != 1) { 191502ac6454SAndrew Thompson goto tr_stalled; 191602ac6454SAndrew Thompson } 191702ac6454SAndrew Thompson if (sc->sc_flags.status_vbus) { 191802ac6454SAndrew Thompson atmegadci_clocks_on(sc); 191902ac6454SAndrew Thompson atmegadci_pull_up(sc); 192002ac6454SAndrew Thompson } else { 192102ac6454SAndrew Thompson atmegadci_pull_down(sc); 192202ac6454SAndrew Thompson atmegadci_clocks_off(sc); 192302ac6454SAndrew Thompson } 192402ac6454SAndrew Thompson 192502ac6454SAndrew Thompson /* Select FULL-speed and Device Side Mode */ 192602ac6454SAndrew Thompson 192702ac6454SAndrew Thompson value = UPS_PORT_MODE_DEVICE; 192802ac6454SAndrew Thompson 192902ac6454SAndrew Thompson if (sc->sc_flags.port_powered) { 193002ac6454SAndrew Thompson value |= UPS_PORT_POWER; 193102ac6454SAndrew Thompson } 193202ac6454SAndrew Thompson if (sc->sc_flags.port_enabled) { 193302ac6454SAndrew Thompson value |= UPS_PORT_ENABLED; 193402ac6454SAndrew Thompson } 193502ac6454SAndrew Thompson if (sc->sc_flags.status_vbus && 193602ac6454SAndrew Thompson sc->sc_flags.status_bus_reset) { 193702ac6454SAndrew Thompson value |= UPS_CURRENT_CONNECT_STATUS; 193802ac6454SAndrew Thompson } 193902ac6454SAndrew Thompson if (sc->sc_flags.status_suspend) { 194002ac6454SAndrew Thompson value |= UPS_SUSPEND; 194102ac6454SAndrew Thompson } 194202ac6454SAndrew Thompson USETW(sc->sc_hub_temp.ps.wPortStatus, value); 194302ac6454SAndrew Thompson 194402ac6454SAndrew Thompson value = 0; 194502ac6454SAndrew Thompson 194602ac6454SAndrew Thompson if (sc->sc_flags.change_connect) { 194702ac6454SAndrew Thompson value |= UPS_C_CONNECT_STATUS; 194802ac6454SAndrew Thompson } 194902ac6454SAndrew Thompson if (sc->sc_flags.change_suspend) { 195002ac6454SAndrew Thompson value |= UPS_C_SUSPEND; 195102ac6454SAndrew Thompson } 195202ac6454SAndrew Thompson USETW(sc->sc_hub_temp.ps.wPortChange, value); 195302ac6454SAndrew Thompson std->len = sizeof(sc->sc_hub_temp.ps); 195402ac6454SAndrew Thompson goto tr_valid; 195502ac6454SAndrew Thompson 195602ac6454SAndrew Thompson tr_handle_get_class_descriptor: 195702ac6454SAndrew Thompson if (value & 0xFF) { 195802ac6454SAndrew Thompson goto tr_stalled; 195902ac6454SAndrew Thompson } 196002ac6454SAndrew Thompson std->ptr = USB_ADD_BYTES(&atmegadci_hubd, 0); 196102ac6454SAndrew Thompson std->len = sizeof(atmegadci_hubd); 196202ac6454SAndrew Thompson goto tr_valid; 196302ac6454SAndrew Thompson 196402ac6454SAndrew Thompson tr_stalled: 196502ac6454SAndrew Thompson std->err = USB_ERR_STALLED; 196602ac6454SAndrew Thompson tr_valid: 196702ac6454SAndrew Thompson done: 196802ac6454SAndrew Thompson return; 196902ac6454SAndrew Thompson } 197002ac6454SAndrew Thompson 197102ac6454SAndrew Thompson static void 197202ac6454SAndrew Thompson atmegadci_xfer_setup(struct usb2_setup_params *parm) 197302ac6454SAndrew Thompson { 197402ac6454SAndrew Thompson const struct usb2_hw_ep_profile *pf; 197502ac6454SAndrew Thompson struct atmegadci_softc *sc; 197602ac6454SAndrew Thompson struct usb2_xfer *xfer; 197702ac6454SAndrew Thompson void *last_obj; 197802ac6454SAndrew Thompson uint32_t ntd; 197902ac6454SAndrew Thompson uint32_t n; 198002ac6454SAndrew Thompson uint8_t ep_no; 198102ac6454SAndrew Thompson 198202ac6454SAndrew Thompson sc = ATMEGA_BUS2SC(parm->udev->bus); 198302ac6454SAndrew Thompson xfer = parm->curr_xfer; 198402ac6454SAndrew Thompson 198502ac6454SAndrew Thompson /* 198602ac6454SAndrew Thompson * NOTE: This driver does not use any of the parameters that 198702ac6454SAndrew Thompson * are computed from the following values. Just set some 198802ac6454SAndrew Thompson * reasonable dummies: 198902ac6454SAndrew Thompson */ 199002ac6454SAndrew Thompson parm->hc_max_packet_size = 0x500; 199102ac6454SAndrew Thompson parm->hc_max_packet_count = 1; 199202ac6454SAndrew Thompson parm->hc_max_frame_size = 0x500; 199302ac6454SAndrew Thompson 199402ac6454SAndrew Thompson usb2_transfer_setup_sub(parm); 199502ac6454SAndrew Thompson 199602ac6454SAndrew Thompson /* 199702ac6454SAndrew Thompson * compute maximum number of TDs 199802ac6454SAndrew Thompson */ 19993b01d513SAndrew Thompson if ((xfer->pipe->edesc->bmAttributes & UE_XFERTYPE) == UE_CONTROL) { 200002ac6454SAndrew Thompson 200102ac6454SAndrew Thompson ntd = xfer->nframes + 1 /* STATUS */ + 1 /* SYNC 1 */ 200202ac6454SAndrew Thompson + 1 /* SYNC 2 */ ; 200302ac6454SAndrew Thompson } else { 200402ac6454SAndrew Thompson 20053b01d513SAndrew Thompson ntd = xfer->nframes + 1 /* SYNC */ ; 200602ac6454SAndrew Thompson } 200702ac6454SAndrew Thompson 200802ac6454SAndrew Thompson /* 200902ac6454SAndrew Thompson * check if "usb2_transfer_setup_sub" set an error 201002ac6454SAndrew Thompson */ 20113b01d513SAndrew Thompson if (parm->err) 201202ac6454SAndrew Thompson return; 20133b01d513SAndrew Thompson 201402ac6454SAndrew Thompson /* 201502ac6454SAndrew Thompson * allocate transfer descriptors 201602ac6454SAndrew Thompson */ 201702ac6454SAndrew Thompson last_obj = NULL; 201802ac6454SAndrew Thompson 201902ac6454SAndrew Thompson /* 202002ac6454SAndrew Thompson * get profile stuff 202102ac6454SAndrew Thompson */ 202202ac6454SAndrew Thompson ep_no = xfer->endpoint & UE_ADDR; 202302ac6454SAndrew Thompson atmegadci_get_hw_ep_profile(parm->udev, &pf, ep_no); 202402ac6454SAndrew Thompson 202502ac6454SAndrew Thompson if (pf == NULL) { 202602ac6454SAndrew Thompson /* should not happen */ 202702ac6454SAndrew Thompson parm->err = USB_ERR_INVAL; 202802ac6454SAndrew Thompson return; 202902ac6454SAndrew Thompson } 203002ac6454SAndrew Thompson 203102ac6454SAndrew Thompson /* align data */ 203202ac6454SAndrew Thompson parm->size[0] += ((-parm->size[0]) & (USB_HOST_ALIGN - 1)); 203302ac6454SAndrew Thompson 203402ac6454SAndrew Thompson for (n = 0; n != ntd; n++) { 203502ac6454SAndrew Thompson 203602ac6454SAndrew Thompson struct atmegadci_td *td; 203702ac6454SAndrew Thompson 203802ac6454SAndrew Thompson if (parm->buf) { 203902ac6454SAndrew Thompson 204002ac6454SAndrew Thompson td = USB_ADD_BYTES(parm->buf, parm->size[0]); 204102ac6454SAndrew Thompson 204202ac6454SAndrew Thompson /* init TD */ 204302ac6454SAndrew Thompson td->max_packet_size = xfer->max_packet_size; 204402ac6454SAndrew Thompson td->ep_no = ep_no; 204502ac6454SAndrew Thompson if (pf->support_multi_buffer) { 204602ac6454SAndrew Thompson td->support_multi_buffer = 1; 204702ac6454SAndrew Thompson } 204802ac6454SAndrew Thompson td->obj_next = last_obj; 204902ac6454SAndrew Thompson 205002ac6454SAndrew Thompson last_obj = td; 205102ac6454SAndrew Thompson } 205202ac6454SAndrew Thompson parm->size[0] += sizeof(*td); 205302ac6454SAndrew Thompson } 205402ac6454SAndrew Thompson 205502ac6454SAndrew Thompson xfer->td_start[0] = last_obj; 205602ac6454SAndrew Thompson } 205702ac6454SAndrew Thompson 205802ac6454SAndrew Thompson static void 205902ac6454SAndrew Thompson atmegadci_xfer_unsetup(struct usb2_xfer *xfer) 206002ac6454SAndrew Thompson { 206102ac6454SAndrew Thompson return; 206202ac6454SAndrew Thompson } 206302ac6454SAndrew Thompson 206402ac6454SAndrew Thompson static void 206502ac6454SAndrew Thompson atmegadci_pipe_init(struct usb2_device *udev, struct usb2_endpoint_descriptor *edesc, 206602ac6454SAndrew Thompson struct usb2_pipe *pipe) 206702ac6454SAndrew Thompson { 206802ac6454SAndrew Thompson struct atmegadci_softc *sc = ATMEGA_BUS2SC(udev->bus); 206902ac6454SAndrew Thompson 2070d59dbd0aSAndrew Thompson DPRINTFN(2, "pipe=%p, addr=%d, endpt=%d, mode=%d (%d,%d)\n", 207102ac6454SAndrew Thompson pipe, udev->address, 207202ac6454SAndrew Thompson edesc->bEndpointAddress, udev->flags.usb2_mode, 2073d59dbd0aSAndrew Thompson sc->sc_rt_addr, udev->device_index); 207402ac6454SAndrew Thompson 207539307315SAndrew Thompson if (udev->device_index != sc->sc_rt_addr) { 207602ac6454SAndrew Thompson 207702ac6454SAndrew Thompson if (udev->flags.usb2_mode != USB_MODE_DEVICE) { 207802ac6454SAndrew Thompson /* not supported */ 207902ac6454SAndrew Thompson return; 208002ac6454SAndrew Thompson } 208102ac6454SAndrew Thompson if (udev->speed != USB_SPEED_FULL) { 208202ac6454SAndrew Thompson /* not supported */ 208302ac6454SAndrew Thompson return; 208402ac6454SAndrew Thompson } 20853b01d513SAndrew Thompson if ((edesc->bmAttributes & UE_XFERTYPE) == UE_ISOCHRONOUS) 208602ac6454SAndrew Thompson pipe->methods = &atmegadci_device_isoc_fs_methods; 20873b01d513SAndrew Thompson else 20883b01d513SAndrew Thompson pipe->methods = &atmegadci_device_non_isoc_methods; 208902ac6454SAndrew Thompson } 209002ac6454SAndrew Thompson } 209102ac6454SAndrew Thompson 209202ac6454SAndrew Thompson struct usb2_bus_methods atmegadci_bus_methods = 209302ac6454SAndrew Thompson { 209402ac6454SAndrew Thompson .pipe_init = &atmegadci_pipe_init, 209502ac6454SAndrew Thompson .xfer_setup = &atmegadci_xfer_setup, 209602ac6454SAndrew Thompson .xfer_unsetup = &atmegadci_xfer_unsetup, 209702ac6454SAndrew Thompson .get_hw_ep_profile = &atmegadci_get_hw_ep_profile, 209802ac6454SAndrew Thompson .set_stall = &atmegadci_set_stall, 209902ac6454SAndrew Thompson .clear_stall = &atmegadci_clear_stall, 210039307315SAndrew Thompson .roothub_exec = &atmegadci_roothub_exec, 210102ac6454SAndrew Thompson }; 2102