diff options
Diffstat (limited to 'sys/dev/usb2/controller/uss820dci.c')
| -rw-r--r-- | sys/dev/usb2/controller/uss820dci.c | 2489 |
1 files changed, 0 insertions, 2489 deletions
diff --git a/sys/dev/usb2/controller/uss820dci.c b/sys/dev/usb2/controller/uss820dci.c deleted file mode 100644 index 1e034bf..0000000 --- a/sys/dev/usb2/controller/uss820dci.c +++ /dev/null @@ -1,2489 +0,0 @@ -/* $FreeBSD$ */ -/*- - * Copyright (c) 2008 Hans Petter Selasky <hselasky@freebsd.org> - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - */ - -/* - * This file contains the driver for the USS820 series USB Device - * Controller - * - * NOTE: The datasheet does not document everything! - */ - -#include <dev/usb2/include/usb2_standard.h> -#include <dev/usb2/include/usb2_mfunc.h> -#include <dev/usb2/include/usb2_revision.h> -#include <dev/usb2/include/usb2_error.h> -#include <dev/usb2/include/usb2_defs.h> - -#define USB_DEBUG_VAR uss820dcidebug - -#include <dev/usb2/core/usb2_core.h> -#include <dev/usb2/core/usb2_debug.h> -#include <dev/usb2/core/usb2_busdma.h> -#include <dev/usb2/core/usb2_process.h> -#include <dev/usb2/core/usb2_sw_transfer.h> -#include <dev/usb2/core/usb2_transfer.h> -#include <dev/usb2/core/usb2_device.h> -#include <dev/usb2/core/usb2_hub.h> -#include <dev/usb2/core/usb2_util.h> - -#include <dev/usb2/controller/usb2_controller.h> -#include <dev/usb2/controller/usb2_bus.h> -#include <dev/usb2/controller/uss820dci.h> - -#define USS820_DCI_BUS2SC(bus) \ - ((struct uss820dci_softc *)(((uint8_t *)(bus)) - \ - USB_P2U(&(((struct uss820dci_softc *)0)->sc_bus)))) - -#define USS820_DCI_PC2SC(pc) \ - USS820_DCI_BUS2SC((pc)->tag_parent->info->bus) - -#if USB_DEBUG -static int uss820dcidebug = 0; - -SYSCTL_NODE(_hw_usb2, OID_AUTO, uss820dci, CTLFLAG_RW, 0, "USB uss820dci"); -SYSCTL_INT(_hw_usb2_uss820dci, OID_AUTO, debug, CTLFLAG_RW, - &uss820dcidebug, 0, "uss820dci debug level"); -#endif - -#define USS820_DCI_INTR_ENDPT 1 - -/* prototypes */ - -struct usb2_bus_methods uss820dci_bus_methods; -struct usb2_pipe_methods uss820dci_device_bulk_methods; -struct usb2_pipe_methods uss820dci_device_ctrl_methods; -struct usb2_pipe_methods uss820dci_device_intr_methods; -struct usb2_pipe_methods uss820dci_device_isoc_fs_methods; -struct usb2_pipe_methods uss820dci_root_ctrl_methods; -struct usb2_pipe_methods uss820dci_root_intr_methods; - -static uss820dci_cmd_t uss820dci_setup_rx; -static uss820dci_cmd_t uss820dci_data_rx; -static uss820dci_cmd_t uss820dci_data_tx; -static uss820dci_cmd_t uss820dci_data_tx_sync; -static void uss820dci_device_done(struct usb2_xfer *, usb2_error_t); -static void uss820dci_do_poll(struct usb2_bus *); -static void uss820dci_root_ctrl_poll(struct uss820dci_softc *); -static void uss820dci_standard_done(struct usb2_xfer *); -static void uss820dci_intr_set(struct usb2_xfer *, uint8_t); -static void uss820dci_update_shared_1(struct uss820dci_softc *, uint8_t, - uint8_t, uint8_t); - -static usb2_sw_transfer_func_t uss820dci_root_intr_done; -static usb2_sw_transfer_func_t uss820dci_root_ctrl_done; - -/* - * Here is a list of what the USS820D chip can support. The main - * limitation is that the sum of the buffer sizes must be less than - * 1120 bytes. - */ -static const struct usb2_hw_ep_profile - uss820dci_ep_profile[] = { - - [0] = { - .max_in_frame_size = 32, - .max_out_frame_size = 32, - .is_simplex = 0, - .support_control = 1, - }, - [1] = { - .max_in_frame_size = 64, - .max_out_frame_size = 64, - .is_simplex = 0, - .support_multi_buffer = 1, - .support_bulk = 1, - .support_interrupt = 1, - .support_in = 1, - .support_out = 1, - }, - [2] = { - .max_in_frame_size = 8, - .max_out_frame_size = 8, - .is_simplex = 0, - .support_multi_buffer = 1, - .support_bulk = 1, - .support_interrupt = 1, - .support_in = 1, - .support_out = 1, - }, - [3] = { - .max_in_frame_size = 256, - .max_out_frame_size = 256, - .is_simplex = 0, - .support_multi_buffer = 1, - .support_isochronous = 1, - .support_in = 1, - .support_out = 1, - }, -}; - -static void -uss820dci_update_shared_1(struct uss820dci_softc *sc, uint8_t reg, - uint8_t keep_mask, uint8_t set_mask) -{ - uint8_t temp; - - USS820_WRITE_1(sc, USS820_PEND, 1); - temp = USS820_READ_1(sc, reg); - temp &= (keep_mask); - temp |= (set_mask); - USS820_WRITE_1(sc, reg, temp); - USS820_WRITE_1(sc, USS820_PEND, 0); -} - -static void -uss820dci_get_hw_ep_profile(struct usb2_device *udev, - const struct usb2_hw_ep_profile **ppf, uint8_t ep_addr) -{ - if (ep_addr == 0) { - *ppf = uss820dci_ep_profile + 0; - } else if (ep_addr < 5) { - *ppf = uss820dci_ep_profile + 1; - } else if (ep_addr < 7) { - *ppf = uss820dci_ep_profile + 2; - } else if (ep_addr == 7) { - *ppf = uss820dci_ep_profile + 3; - } else { - *ppf = NULL; - } -} - -static void -uss820dci_pull_up(struct uss820dci_softc *sc) -{ - uint8_t temp; - - /* pullup D+, if possible */ - - if (!sc->sc_flags.d_pulled_up && - sc->sc_flags.port_powered) { - sc->sc_flags.d_pulled_up = 1; - - DPRINTF("\n"); - - temp = USS820_READ_1(sc, USS820_MCSR); - temp |= USS820_MCSR_DPEN; - USS820_WRITE_1(sc, USS820_MCSR, temp); - } -} - -static void -uss820dci_pull_down(struct uss820dci_softc *sc) -{ - uint8_t temp; - - /* pulldown D+, if possible */ - - if (sc->sc_flags.d_pulled_up) { - sc->sc_flags.d_pulled_up = 0; - - DPRINTF("\n"); - - temp = USS820_READ_1(sc, USS820_MCSR); - temp &= ~USS820_MCSR_DPEN; - USS820_WRITE_1(sc, USS820_MCSR, temp); - } -} - -static void -uss820dci_wakeup_peer(struct uss820dci_softc *sc) -{ - if (!(sc->sc_flags.status_suspend)) { - return; - } - DPRINTFN(0, "not supported\n"); -} - -static void -uss820dci_set_address(struct uss820dci_softc *sc, uint8_t addr) -{ - DPRINTFN(5, "addr=%d\n", addr); - - USS820_WRITE_1(sc, USS820_FADDR, addr); -} - -static uint8_t -uss820dci_setup_rx(struct uss820dci_td *td) -{ - struct uss820dci_softc *sc; - struct usb2_device_request req; - uint16_t count; - uint8_t rx_stat; - uint8_t temp; - - /* select the correct endpoint */ - bus_space_write_1(td->io_tag, td->io_hdl, - td->ep_reg, td->ep_index); - - /* read out FIFO status */ - rx_stat = bus_space_read_1(td->io_tag, td->io_hdl, - td->rx_stat_reg); - - /* get pointer to softc */ - sc = USS820_DCI_PC2SC(td->pc); - - DPRINTFN(5, "rx_stat=0x%02x rem=%u\n", rx_stat, td->remainder); - - if (!(rx_stat & USS820_RXSTAT_RXSETUP)) { - /* abort any ongoing transfer */ - if (!td->did_stall) { - DPRINTFN(5, "stalling\n"); - - /* set stall */ - - uss820dci_update_shared_1(sc, USS820_EPCON, 0xFF, - (USS820_EPCON_TXSTL | USS820_EPCON_RXSTL)); - - td->did_stall = 1; - } - goto not_complete; - } - /* clear stall and all I/O */ - uss820dci_update_shared_1(sc, USS820_EPCON, - 0xFF ^ (USS820_EPCON_TXSTL | - USS820_EPCON_RXSTL | - USS820_EPCON_RXIE | - USS820_EPCON_TXOE), 0); - - /* clear end overwrite flag */ - uss820dci_update_shared_1(sc, USS820_RXSTAT, - 0xFF ^ USS820_RXSTAT_EDOVW, 0); - - /* get the packet byte count */ - count = bus_space_read_1(td->io_tag, td->io_hdl, - td->rx_count_low_reg); - count |= (bus_space_read_1(td->io_tag, td->io_hdl, - td->rx_count_high_reg) << 8); - count &= 0x3FF; - - /* verify data length */ - if (count != td->remainder) { - DPRINTFN(0, "Invalid SETUP packet " - "length, %d bytes\n", count); - goto not_complete; - } - if (count != sizeof(req)) { - DPRINTFN(0, "Unsupported SETUP packet " - "length, %d bytes\n", count); - goto not_complete; - } - /* receive data */ - bus_space_read_multi_1(td->io_tag, td->io_hdl, - td->rx_fifo_reg, (void *)&req, sizeof(req)); - - /* read out FIFO status */ - rx_stat = bus_space_read_1(td->io_tag, td->io_hdl, - td->rx_stat_reg); - - if (rx_stat & (USS820_RXSTAT_EDOVW | - USS820_RXSTAT_STOVW)) { - DPRINTF("new SETUP packet received\n"); - return (1); /* not complete */ - } - /* clear receive setup bit */ - uss820dci_update_shared_1(sc, USS820_RXSTAT, - 0xFF ^ (USS820_RXSTAT_RXSETUP | - USS820_RXSTAT_EDOVW | - USS820_RXSTAT_STOVW), 0); - - /* set RXFFRC bit */ - temp = bus_space_read_1(td->io_tag, td->io_hdl, - td->rx_cntl_reg); - temp |= USS820_RXCON_RXFFRC; - bus_space_write_1(td->io_tag, td->io_hdl, - td->rx_cntl_reg, temp); - - /* copy data into real buffer */ - usb2_copy_in(td->pc, 0, &req, sizeof(req)); - - td->offset = sizeof(req); - td->remainder = 0; - - /* sneak peek the set address */ - if ((req.bmRequestType == UT_WRITE_DEVICE) && - (req.bRequest == UR_SET_ADDRESS)) { - sc->sc_dv_addr = req.wValue[0] & 0x7F; - } else { - sc->sc_dv_addr = 0xFF; - } - return (0); /* complete */ - -not_complete: - /* clear end overwrite flag, if any */ - if (rx_stat & USS820_RXSTAT_RXSETUP) { - uss820dci_update_shared_1(sc, USS820_RXSTAT, - 0xFF ^ (USS820_RXSTAT_EDOVW | - USS820_RXSTAT_STOVW | - USS820_RXSTAT_RXSETUP), 0); - } - return (1); /* not complete */ - -} - -static uint8_t -uss820dci_data_rx(struct uss820dci_td *td) -{ - struct usb2_page_search buf_res; - uint16_t count; - uint8_t rx_flag; - uint8_t rx_stat; - uint8_t rx_cntl; - uint8_t to; - uint8_t got_short; - - to = 2; /* don't loop forever! */ - got_short = 0; - - /* select the correct endpoint */ - bus_space_write_1(td->io_tag, td->io_hdl, td->ep_reg, td->ep_index); - - /* check if any of the FIFO banks have data */ -repeat: - /* read out FIFO flag */ - rx_flag = bus_space_read_1(td->io_tag, td->io_hdl, - td->rx_flag_reg); - /* read out FIFO status */ - rx_stat = bus_space_read_1(td->io_tag, td->io_hdl, - td->rx_stat_reg); - - DPRINTFN(5, "rx_stat=0x%02x rx_flag=0x%02x rem=%u\n", - rx_stat, rx_flag, td->remainder); - - if (rx_stat & (USS820_RXSTAT_RXSETUP | - USS820_RXSTAT_RXSOVW | - USS820_RXSTAT_EDOVW)) { - if (td->remainder == 0) { - /* - * We are actually complete and have - * received the next SETUP - */ - DPRINTFN(5, "faking complete\n"); - return (0); /* complete */ - } - /* - * USB Host Aborted the transfer. - */ - td->error = 1; - return (0); /* complete */ - } - /* check for errors */ - if (rx_flag & (USS820_RXFLG_RXOVF | - USS820_RXFLG_RXURF)) { - DPRINTFN(5, "overflow or underflow\n"); - /* should not happen */ - td->error = 1; - return (0); /* complete */ - } - /* check status */ - if (!(rx_flag & (USS820_RXFLG_RXFIF0 | - USS820_RXFLG_RXFIF1))) { - - /* read out EPCON register */ - /* enable RX input */ - if (!td->did_stall) { - uss820dci_update_shared_1(USS820_DCI_PC2SC(td->pc), - USS820_EPCON, 0xFF, USS820_EPCON_RXIE); - td->did_stall = 1; - } - return (1); /* not complete */ - } - /* get the packet byte count */ - count = bus_space_read_1(td->io_tag, td->io_hdl, - td->rx_count_low_reg); - - count |= (bus_space_read_1(td->io_tag, td->io_hdl, - td->rx_count_high_reg) << 8); - count &= 0x3FF; - - DPRINTFN(5, "count=0x%04x\n", count); - - /* verify the packet byte count */ - if (count != td->max_packet_size) { - if (count < td->max_packet_size) { - /* we have a short packet */ - td->short_pkt = 1; - got_short = 1; - } else { - /* invalid USB packet */ - td->error = 1; - return (0); /* we are complete */ - } - } - /* verify the packet byte count */ - if (count > td->remainder) { - /* invalid USB packet */ - td->error = 1; - return (0); /* we are complete */ - } - while (count > 0) { - usb2_get_page(td->pc, td->offset, &buf_res); - - /* get correct length */ - if (buf_res.length > count) { - buf_res.length = count; - } - /* receive data */ - bus_space_read_multi_1(td->io_tag, td->io_hdl, - td->rx_fifo_reg, buf_res.buffer, buf_res.length); - - /* update counters */ - count -= buf_res.length; - td->offset += buf_res.length; - td->remainder -= buf_res.length; - } - - /* set RXFFRC bit */ - rx_cntl = bus_space_read_1(td->io_tag, td->io_hdl, - td->rx_cntl_reg); - rx_cntl |= USS820_RXCON_RXFFRC; - bus_space_write_1(td->io_tag, td->io_hdl, - td->rx_cntl_reg, rx_cntl); - - /* check if we are complete */ - if ((td->remainder == 0) || got_short) { - if (td->short_pkt) { - /* we are complete */ - return (0); - } - /* else need to receive a zero length packet */ - } - if (--to) { - goto repeat; - } - return (1); /* not complete */ -} - -static uint8_t -uss820dci_data_tx(struct uss820dci_td *td) -{ - struct usb2_page_search buf_res; - uint16_t count; - uint16_t count_copy; - uint8_t rx_stat; - uint8_t tx_flag; - uint8_t to; - - /* select the correct endpoint */ - bus_space_write_1(td->io_tag, td->io_hdl, - td->ep_reg, td->ep_index); - - to = 2; /* don't loop forever! */ - -repeat: - /* read out TX FIFO flags */ - tx_flag = bus_space_read_1(td->io_tag, td->io_hdl, - td->tx_flag_reg); - - /* read out RX FIFO status last */ - rx_stat = bus_space_read_1(td->io_tag, td->io_hdl, - td->rx_stat_reg); - - DPRINTFN(5, "rx_stat=0x%02x tx_flag=0x%02x rem=%u\n", - rx_stat, tx_flag, td->remainder); - - if (rx_stat & (USS820_RXSTAT_RXSETUP | - USS820_RXSTAT_RXSOVW | - USS820_RXSTAT_EDOVW)) { - /* - * The current transfer was aborted - * by the USB Host - */ - td->error = 1; - return (0); /* complete */ - } - if (tx_flag & (USS820_TXFLG_TXOVF | - USS820_TXFLG_TXURF)) { - td->error = 1; - return (0); /* complete */ - } - if (tx_flag & USS820_TXFLG_TXFIF0) { - if (tx_flag & USS820_TXFLG_TXFIF1) { - return (1); /* not complete */ - } - } - if ((!td->support_multi_buffer) && - (tx_flag & (USS820_TXFLG_TXFIF0 | - USS820_TXFLG_TXFIF1))) { - return (1); /* not complete */ - } - count = td->max_packet_size; - if (td->remainder < count) { - /* we have a short packet */ - td->short_pkt = 1; - count = td->remainder; - } - count_copy = count; - while (count > 0) { - - usb2_get_page(td->pc, td->offset, &buf_res); - - /* get correct length */ - if (buf_res.length > count) { - buf_res.length = count; - } - /* transmit data */ - bus_space_write_multi_1(td->io_tag, td->io_hdl, - td->tx_fifo_reg, buf_res.buffer, buf_res.length); - - /* update counters */ - count -= buf_res.length; - td->offset += buf_res.length; - td->remainder -= buf_res.length; - } - - /* post-write high packet byte count first */ - bus_space_write_1(td->io_tag, td->io_hdl, - td->tx_count_high_reg, count_copy >> 8); - - /* post-write low packet byte count last */ - bus_space_write_1(td->io_tag, td->io_hdl, - td->tx_count_low_reg, count_copy); - - /* - * Enable TX output, which must happen after that we have written - * data into the FIFO. This is undocumented. - */ - if (!td->did_stall) { - uss820dci_update_shared_1(USS820_DCI_PC2SC(td->pc), - USS820_EPCON, 0xFF, USS820_EPCON_TXOE); - td->did_stall = 1; - } - /* check remainder */ - if (td->remainder == 0) { - if (td->short_pkt) { - return (0); /* complete */ - } - /* else we need to transmit a short packet */ - } - if (--to) { - goto repeat; - } - return (1); /* not complete */ -} - -static uint8_t -uss820dci_data_tx_sync(struct uss820dci_td *td) -{ - struct uss820dci_softc *sc; - uint8_t rx_stat; - uint8_t tx_flag; - - /* select the correct endpoint */ - bus_space_write_1(td->io_tag, td->io_hdl, - td->ep_reg, td->ep_index); - - /* read out TX FIFO flag */ - tx_flag = bus_space_read_1(td->io_tag, td->io_hdl, - td->tx_flag_reg); - - /* read out RX FIFO status last */ - rx_stat = bus_space_read_1(td->io_tag, td->io_hdl, - td->rx_stat_reg); - - DPRINTFN(5, "rx_stat=0x%02x rem=%u\n", rx_stat, td->remainder); - - if (rx_stat & (USS820_RXSTAT_RXSETUP | - USS820_RXSTAT_RXSOVW | - USS820_RXSTAT_EDOVW)) { - DPRINTFN(5, "faking complete\n"); - /* Race condition */ - return (0); /* complete */ - } - DPRINTFN(5, "tx_flag=0x%02x rem=%u\n", - tx_flag, td->remainder); - - if (tx_flag & (USS820_TXFLG_TXOVF | - USS820_TXFLG_TXURF)) { - td->error = 1; - return (0); /* complete */ - } - if (tx_flag & (USS820_TXFLG_TXFIF0 | - USS820_TXFLG_TXFIF1)) { - return (1); /* not complete */ - } - sc = USS820_DCI_PC2SC(td->pc); - if (sc->sc_dv_addr != 0xFF) { - /* write function address */ - uss820dci_set_address(sc, sc->sc_dv_addr); - } - return (0); /* complete */ -} - -static uint8_t -uss820dci_xfer_do_fifo(struct usb2_xfer *xfer) -{ - struct uss820dci_td *td; - - DPRINTFN(9, "\n"); - - td = xfer->td_transfer_cache; - while (1) { - if ((td->func) (td)) { - /* operation in progress */ - break; - } - if (((void *)td) == xfer->td_transfer_last) { - goto done; - } - if (td->error) { - goto done; - } else if (td->remainder > 0) { - /* - * We had a short transfer. If there is no alternate - * next, stop processing ! - */ - if (!td->alt_next) { - goto done; - } - } - /* - * Fetch the next transfer descriptor. - */ - td = td->obj_next; - xfer->td_transfer_cache = td; - } - return (1); /* not complete */ - -done: - /* compute all actual lengths */ - - uss820dci_standard_done(xfer); - - return (0); /* complete */ -} - -static void -uss820dci_interrupt_poll(struct uss820dci_softc *sc) -{ - struct usb2_xfer *xfer; - -repeat: - TAILQ_FOREACH(xfer, &sc->sc_bus.intr_q.head, wait_entry) { - if (!uss820dci_xfer_do_fifo(xfer)) { - /* queue has been modified */ - goto repeat; - } - } -} - -static void -uss820dci_wait_suspend(struct uss820dci_softc *sc, uint8_t on) -{ - uint8_t scr; - uint8_t scratch; - - scr = USS820_READ_1(sc, USS820_SCR); - scratch = USS820_READ_1(sc, USS820_SCRATCH); - - if (on) { - scr |= USS820_SCR_IE_SUSP; - scratch &= ~USS820_SCRATCH_IE_RESUME; - } else { - scr &= ~USS820_SCR_IE_SUSP; - scratch |= USS820_SCRATCH_IE_RESUME; - } - - USS820_WRITE_1(sc, USS820_SCR, scr); - USS820_WRITE_1(sc, USS820_SCRATCH, scratch); -} - -void -uss820dci_interrupt(struct uss820dci_softc *sc) -{ - uint8_t ssr; - uint8_t event; - - USB_BUS_LOCK(&sc->sc_bus); - - ssr = USS820_READ_1(sc, USS820_SSR); - - ssr &= (USS820_SSR_SUSPEND | - USS820_SSR_RESUME | - USS820_SSR_RESET); - - /* acknowledge all interrupts */ - - uss820dci_update_shared_1(sc, USS820_SSR, 0, 0); - - /* check for any bus state change interrupts */ - - if (ssr) { - - event = 0; - - if (ssr & USS820_SSR_RESET) { - sc->sc_flags.status_bus_reset = 1; - sc->sc_flags.status_suspend = 0; - sc->sc_flags.change_suspend = 0; - sc->sc_flags.change_connect = 1; - - /* disable resume interrupt */ - uss820dci_wait_suspend(sc, 1); - - event = 1; - } - /* - * If "RESUME" and "SUSPEND" is set at the same time - * we interpret that like "RESUME". Resume is set when - * there is at least 3 milliseconds of inactivity on - * the USB BUS. - */ - if (ssr & USS820_SSR_RESUME) { - if (sc->sc_flags.status_suspend) { - sc->sc_flags.status_suspend = 0; - sc->sc_flags.change_suspend = 1; - /* disable resume interrupt */ - uss820dci_wait_suspend(sc, 1); - event = 1; - } - } else if (ssr & USS820_SSR_SUSPEND) { - if (!sc->sc_flags.status_suspend) { - sc->sc_flags.status_suspend = 1; - sc->sc_flags.change_suspend = 1; - /* enable resume interrupt */ - uss820dci_wait_suspend(sc, 0); - event = 1; - } - } - if (event) { - - DPRINTF("real bus interrupt 0x%02x\n", ssr); - - /* complete root HUB interrupt endpoint */ - - usb2_sw_transfer(&sc->sc_root_intr, - &uss820dci_root_intr_done); - } - } - /* acknowledge all SBI interrupts */ - uss820dci_update_shared_1(sc, USS820_SBI, 0, 0); - - /* acknowledge all SBI1 interrupts */ - uss820dci_update_shared_1(sc, USS820_SBI1, 0, 0); - - /* poll all active transfers */ - uss820dci_interrupt_poll(sc); - - USB_BUS_UNLOCK(&sc->sc_bus); -} - -static void -uss820dci_setup_standard_chain_sub(struct uss820_std_temp *temp) -{ - struct uss820dci_td *td; - - /* get current Transfer Descriptor */ - td = temp->td_next; - temp->td = td; - - /* prepare for next TD */ - temp->td_next = td->obj_next; - - /* fill out the Transfer Descriptor */ - td->func = temp->func; - td->pc = temp->pc; - td->offset = temp->offset; - td->remainder = temp->len; - td->error = 0; - td->did_stall = 0; - td->short_pkt = temp->short_pkt; - td->alt_next = temp->setup_alt_next; -} - -static void -uss820dci_setup_standard_chain(struct usb2_xfer *xfer) -{ - struct uss820_std_temp temp; - struct uss820dci_softc *sc; - struct uss820dci_td *td; - uint32_t x; - uint8_t ep_no; - - DPRINTFN(9, "addr=%d endpt=%d sumlen=%d speed=%d\n", - xfer->address, UE_GET_ADDR(xfer->endpoint), - xfer->sumlen, usb2_get_speed(xfer->xroot->udev)); - - temp.max_frame_size = xfer->max_frame_size; - - td = xfer->td_start[0]; - xfer->td_transfer_first = td; - xfer->td_transfer_cache = td; - - /* setup temp */ - - temp.td = NULL; - temp.td_next = xfer->td_start[0]; - temp.setup_alt_next = xfer->flags_int.short_frames_ok; - temp.offset = 0; - - sc = USS820_DCI_BUS2SC(xfer->xroot->bus); - ep_no = (xfer->endpoint & UE_ADDR); - - /* check if we should prepend a setup message */ - - if (xfer->flags_int.control_xfr) { - if (xfer->flags_int.control_hdr) { - - temp.func = &uss820dci_setup_rx; - temp.len = xfer->frlengths[0]; - temp.pc = xfer->frbuffers + 0; - temp.short_pkt = temp.len ? 1 : 0; - - uss820dci_setup_standard_chain_sub(&temp); - } - x = 1; - } else { - x = 0; - } - - if (x != xfer->nframes) { - if (xfer->endpoint & UE_DIR_IN) { - temp.func = &uss820dci_data_tx; - } else { - temp.func = &uss820dci_data_rx; - } - - /* setup "pc" pointer */ - temp.pc = xfer->frbuffers + x; - } - while (x != xfer->nframes) { - - /* DATA0 / DATA1 message */ - - temp.len = xfer->frlengths[x]; - - x++; - - if (x == xfer->nframes) { - temp.setup_alt_next = 0; - } - if (temp.len == 0) { - - /* make sure that we send an USB packet */ - - temp.short_pkt = 0; - - } else { - - /* regular data transfer */ - - temp.short_pkt = (xfer->flags.force_short_xfer) ? 0 : 1; - } - - uss820dci_setup_standard_chain_sub(&temp); - - if (xfer->flags_int.isochronous_xfr) { - temp.offset += temp.len; - } else { - /* get next Page Cache pointer */ - temp.pc = xfer->frbuffers + x; - } - } - - /* always setup a valid "pc" pointer for status and sync */ - temp.pc = xfer->frbuffers + 0; - - /* check if we should append a status stage */ - - if (xfer->flags_int.control_xfr && - !xfer->flags_int.control_act) { - uint8_t need_sync; - - /* - * Send a DATA1 message and invert the current - * endpoint direction. - */ - if (xfer->endpoint & UE_DIR_IN) { - temp.func = &uss820dci_data_rx; - need_sync = 0; - } else { - temp.func = &uss820dci_data_tx; - need_sync = 1; - } - temp.len = 0; - temp.short_pkt = 0; - - uss820dci_setup_standard_chain_sub(&temp); - if (need_sync) { - /* we need a SYNC point after TX */ - temp.func = &uss820dci_data_tx_sync; - temp.len = 0; - temp.short_pkt = 0; - - uss820dci_setup_standard_chain_sub(&temp); - } - } - /* must have at least one frame! */ - td = temp.td; - xfer->td_transfer_last = td; -} - -static void -uss820dci_timeout(void *arg) -{ - struct usb2_xfer *xfer = arg; - - DPRINTF("xfer=%p\n", xfer); - - USB_BUS_LOCK_ASSERT(xfer->xroot->bus, MA_OWNED); - - /* transfer is transferred */ - uss820dci_device_done(xfer, USB_ERR_TIMEOUT); -} - -static void -uss820dci_intr_set(struct usb2_xfer *xfer, uint8_t set) -{ - struct uss820dci_softc *sc = USS820_DCI_BUS2SC(xfer->xroot->bus); - uint8_t ep_no = (xfer->endpoint & UE_ADDR); - uint8_t ep_reg; - uint8_t temp; - - DPRINTFN(15, "endpoint 0x%02x\n", xfer->endpoint); - - if (ep_no > 3) { - ep_reg = USS820_SBIE1; - } else { - ep_reg = USS820_SBIE; - } - - ep_no &= 3; - ep_no = 1 << (2 * ep_no); - - if (xfer->flags_int.control_xfr) { - if (xfer->flags_int.control_hdr) { - ep_no <<= 1; /* RX interrupt only */ - } else { - ep_no |= (ep_no << 1); /* RX and TX interrupt */ - } - } else { - if (!(xfer->endpoint & UE_DIR_IN)) { - ep_no <<= 1; - } - } - temp = USS820_READ_1(sc, ep_reg); - if (set) { - temp |= ep_no; - } else { - temp &= ~ep_no; - } - USS820_WRITE_1(sc, ep_reg, temp); -} - -static void -uss820dci_start_standard_chain(struct usb2_xfer *xfer) -{ - DPRINTFN(9, "\n"); - - /* poll one time */ - if (uss820dci_xfer_do_fifo(xfer)) { - - /* - * Only enable the endpoint interrupt when we are - * actually waiting for data, hence we are dealing - * with level triggered interrupts ! - */ - uss820dci_intr_set(xfer, 1); - - /* put transfer on interrupt queue */ - usb2_transfer_enqueue(&xfer->xroot->bus->intr_q, xfer); - - /* start timeout, if any */ - if (xfer->timeout != 0) { - usb2_transfer_timeout_ms(xfer, - &uss820dci_timeout, xfer->timeout); - } - } -} - -static void -uss820dci_root_intr_done(struct usb2_xfer *xfer, - struct usb2_sw_transfer *std) -{ - struct uss820dci_softc *sc = USS820_DCI_BUS2SC(xfer->xroot->bus); - - DPRINTFN(9, "\n"); - - USB_BUS_LOCK_ASSERT(&sc->sc_bus, MA_OWNED); - - if (std->state != USB_SW_TR_PRE_DATA) { - if (std->state == USB_SW_TR_PRE_CALLBACK) { - /* transfer transferred */ - uss820dci_device_done(xfer, std->err); - } - goto done; - } - /* setup buffer */ - std->ptr = sc->sc_hub_idata; - std->len = sizeof(sc->sc_hub_idata); - - /* set port bit */ - sc->sc_hub_idata[0] = 0x02; /* we only have one port */ - -done: - return; -} - -static usb2_error_t -uss820dci_standard_done_sub(struct usb2_xfer *xfer) -{ - struct uss820dci_td *td; - uint32_t len; - uint8_t error; - - DPRINTFN(9, "\n"); - - td = xfer->td_transfer_cache; - - do { - len = td->remainder; - - if (xfer->aframes != xfer->nframes) { - /* - * Verify the length and subtract - * the remainder from "frlengths[]": - */ - if (len > xfer->frlengths[xfer->aframes]) { - td->error = 1; - } else { - xfer->frlengths[xfer->aframes] -= len; - } - } - /* Check for transfer error */ - if (td->error) { - /* the transfer is finished */ - error = 1; - td = NULL; - break; - } - /* Check for short transfer */ - if (len > 0) { - if (xfer->flags_int.short_frames_ok) { - /* follow alt next */ - if (td->alt_next) { - td = td->obj_next; - } else { - td = NULL; - } - } else { - /* the transfer is finished */ - td = NULL; - } - error = 0; - break; - } - td = td->obj_next; - - /* this USB frame is complete */ - error = 0; - break; - - } while (0); - - /* update transfer cache */ - - xfer->td_transfer_cache = td; - - return (error ? - USB_ERR_STALLED : USB_ERR_NORMAL_COMPLETION); -} - -static void -uss820dci_standard_done(struct usb2_xfer *xfer) -{ - usb2_error_t err = 0; - - DPRINTFN(13, "xfer=%p pipe=%p transfer done\n", - xfer, xfer->pipe); - - /* reset scanner */ - - xfer->td_transfer_cache = xfer->td_transfer_first; - - if (xfer->flags_int.control_xfr) { - - if (xfer->flags_int.control_hdr) { - - err = uss820dci_standard_done_sub(xfer); - } - xfer->aframes = 1; - - if (xfer->td_transfer_cache == NULL) { - goto done; - } - } - while (xfer->aframes != xfer->nframes) { - - err = uss820dci_standard_done_sub(xfer); - xfer->aframes++; - - if (xfer->td_transfer_cache == NULL) { - goto done; - } - } - - if (xfer->flags_int.control_xfr && - !xfer->flags_int.control_act) { - - err = uss820dci_standard_done_sub(xfer); - } -done: - uss820dci_device_done(xfer, err); -} - -/*------------------------------------------------------------------------* - * uss820dci_device_done - * - * NOTE: this function can be called more than one time on the - * same USB transfer! - *------------------------------------------------------------------------*/ -static void -uss820dci_device_done(struct usb2_xfer *xfer, usb2_error_t error) -{ - USB_BUS_LOCK_ASSERT(xfer->xroot->bus, MA_OWNED); - - DPRINTFN(2, "xfer=%p, pipe=%p, error=%d\n", - xfer, xfer->pipe, error); - - if (xfer->flags_int.usb2_mode == USB_MODE_DEVICE) { - uss820dci_intr_set(xfer, 0); - } - /* dequeue transfer and start next transfer */ - usb2_transfer_done(xfer, error); -} - -static void -uss820dci_set_stall(struct usb2_device *udev, struct usb2_xfer *xfer, - struct usb2_pipe *pipe) -{ - struct uss820dci_softc *sc; - uint8_t ep_no; - uint8_t ep_type; - uint8_t ep_dir; - uint8_t temp; - - USB_BUS_LOCK_ASSERT(udev->bus, MA_OWNED); - - DPRINTFN(5, "pipe=%p\n", pipe); - - if (xfer) { - /* cancel any ongoing transfers */ - uss820dci_device_done(xfer, USB_ERR_STALLED); - } - /* set FORCESTALL */ - sc = USS820_DCI_BUS2SC(udev->bus); - ep_no = (pipe->edesc->bEndpointAddress & UE_ADDR); - ep_dir = (pipe->edesc->bEndpointAddress & (UE_DIR_IN | UE_DIR_OUT)); - ep_type = (pipe->edesc->bmAttributes & UE_XFERTYPE); - - if (ep_type == UE_CONTROL) { - /* should not happen */ - return; - } - USS820_WRITE_1(sc, USS820_EPINDEX, ep_no); - - if (ep_dir == UE_DIR_IN) { - temp = USS820_EPCON_TXSTL; - } else { - temp = USS820_EPCON_RXSTL; - } - uss820dci_update_shared_1(sc, USS820_EPCON, 0xFF, temp); -} - -static void -uss820dci_clear_stall_sub(struct uss820dci_softc *sc, - uint8_t ep_no, uint8_t ep_type, uint8_t ep_dir) -{ - uint8_t temp; - - if (ep_type == UE_CONTROL) { - /* clearing stall is not needed */ - return; - } - /* select endpoint index */ - USS820_WRITE_1(sc, USS820_EPINDEX, ep_no); - - /* clear stall and disable I/O transfers */ - if (ep_dir == UE_DIR_IN) { - temp = 0xFF ^ (USS820_EPCON_TXOE | - USS820_EPCON_TXSTL); - } else { - temp = 0xFF ^ (USS820_EPCON_RXIE | - USS820_EPCON_RXSTL); - } - uss820dci_update_shared_1(sc, USS820_EPCON, temp, 0); - - if (ep_dir == UE_DIR_IN) { - /* reset data toggle */ - USS820_WRITE_1(sc, USS820_TXSTAT, - USS820_TXSTAT_TXSOVW); - - /* reset FIFO */ - temp = USS820_READ_1(sc, USS820_TXCON); - temp |= USS820_TXCON_TXCLR; - USS820_WRITE_1(sc, USS820_TXCON, temp); - temp &= ~USS820_TXCON_TXCLR; - USS820_WRITE_1(sc, USS820_TXCON, temp); - } else { - - /* reset data toggle */ - uss820dci_update_shared_1(sc, USS820_RXSTAT, - 0, USS820_RXSTAT_RXSOVW); - - /* reset FIFO */ - temp = USS820_READ_1(sc, USS820_RXCON); - temp |= USS820_RXCON_RXCLR; - temp &= ~USS820_RXCON_RXFFRC; - USS820_WRITE_1(sc, USS820_RXCON, temp); - temp &= ~USS820_RXCON_RXCLR; - USS820_WRITE_1(sc, USS820_RXCON, temp); - } -} - -static void -uss820dci_clear_stall(struct usb2_device *udev, struct usb2_pipe *pipe) -{ - struct uss820dci_softc *sc; - struct usb2_endpoint_descriptor *ed; - - USB_BUS_LOCK_ASSERT(udev->bus, MA_OWNED); - - DPRINTFN(5, "pipe=%p\n", pipe); - - /* check mode */ - if (udev->flags.usb2_mode != USB_MODE_DEVICE) { - /* not supported */ - return; - } - /* get softc */ - sc = USS820_DCI_BUS2SC(udev->bus); - - /* get endpoint descriptor */ - ed = pipe->edesc; - - /* reset endpoint */ - uss820dci_clear_stall_sub(sc, - (ed->bEndpointAddress & UE_ADDR), - (ed->bmAttributes & UE_XFERTYPE), - (ed->bEndpointAddress & (UE_DIR_IN | UE_DIR_OUT))); -} - -usb2_error_t -uss820dci_init(struct uss820dci_softc *sc) -{ - const struct usb2_hw_ep_profile *pf; - uint8_t n; - uint8_t temp; - - DPRINTF("start\n"); - - /* set up the bus structure */ - sc->sc_bus.usbrev = USB_REV_1_1; - sc->sc_bus.methods = &uss820dci_bus_methods; - - USB_BUS_LOCK(&sc->sc_bus); - - /* we always have VBUS */ - sc->sc_flags.status_vbus = 1; - - /* reset the chip */ - USS820_WRITE_1(sc, USS820_SCR, USS820_SCR_SRESET); - DELAY(100); - USS820_WRITE_1(sc, USS820_SCR, 0); - - /* wait for reset to complete */ - for (n = 0;; n++) { - - temp = USS820_READ_1(sc, USS820_MCSR); - - if (temp & USS820_MCSR_INIT) { - break; - } - if (n == 100) { - USB_BUS_UNLOCK(&sc->sc_bus); - return (USB_ERR_INVAL); - } - /* wait a little for things to stabilise */ - DELAY(100); - } - - /* do a pulldown */ - uss820dci_pull_down(sc); - - /* wait 10ms for pulldown to stabilise */ - usb2_pause_mtx(&sc->sc_bus.bus_mtx, hz / 100); - - /* check hardware revision */ - temp = USS820_READ_1(sc, USS820_REV); - - if (temp < 0x13) { - USB_BUS_UNLOCK(&sc->sc_bus); - return (USB_ERR_INVAL); - } - /* enable interrupts */ - USS820_WRITE_1(sc, USS820_SCR, - USS820_SCR_T_IRQ | - USS820_SCR_IE_RESET | - /* USS820_SCR_RWUPE | */ - USS820_SCR_IE_SUSP | - USS820_SCR_IRQPOL); - - /* enable interrupts */ - USS820_WRITE_1(sc, USS820_SCRATCH, - USS820_SCRATCH_IE_RESUME); - - /* enable features */ - USS820_WRITE_1(sc, USS820_MCSR, - USS820_MCSR_BDFEAT | - USS820_MCSR_FEAT); - - sc->sc_flags.mcsr_feat = 1; - - /* disable interrupts */ - USS820_WRITE_1(sc, USS820_SBIE, 0); - - /* disable interrupts */ - USS820_WRITE_1(sc, USS820_SBIE1, 0); - - /* disable all endpoints */ - for (n = 0; n != USS820_EP_MAX; n++) { - - /* select endpoint */ - USS820_WRITE_1(sc, USS820_EPINDEX, n); - - /* disable endpoint */ - uss820dci_update_shared_1(sc, USS820_EPCON, 0, 0); - } - - /* - * Initialise default values for some registers that cannot be - * changed during operation! - */ - for (n = 0; n != USS820_EP_MAX; n++) { - - uss820dci_get_hw_ep_profile(NULL, &pf, n); - - /* the maximum frame sizes should be the same */ - if (pf->max_in_frame_size != pf->max_out_frame_size) { - DPRINTF("Max frame size mismatch %u != %u\n", - pf->max_in_frame_size, pf->max_out_frame_size); - } - if (pf->support_isochronous) { - if (pf->max_in_frame_size <= 64) { - temp = (USS820_TXCON_FFSZ_16_64 | - USS820_TXCON_TXISO | - USS820_TXCON_ATM); - } else if (pf->max_in_frame_size <= 256) { - temp = (USS820_TXCON_FFSZ_64_256 | - USS820_TXCON_TXISO | - USS820_TXCON_ATM); - } else if (pf->max_in_frame_size <= 512) { - temp = (USS820_TXCON_FFSZ_8_512 | - USS820_TXCON_TXISO | - USS820_TXCON_ATM); - } else { /* 1024 bytes */ - temp = (USS820_TXCON_FFSZ_32_1024 | - USS820_TXCON_TXISO | - USS820_TXCON_ATM); - } - } else { - if ((pf->max_in_frame_size <= 8) && - (sc->sc_flags.mcsr_feat)) { - temp = (USS820_TXCON_FFSZ_8_512 | - USS820_TXCON_ATM); - } else if (pf->max_in_frame_size <= 16) { - temp = (USS820_TXCON_FFSZ_16_64 | - USS820_TXCON_ATM); - } else if ((pf->max_in_frame_size <= 32) && - (sc->sc_flags.mcsr_feat)) { - temp = (USS820_TXCON_FFSZ_32_1024 | - USS820_TXCON_ATM); - } else { /* 64 bytes */ - temp = (USS820_TXCON_FFSZ_64_256 | - USS820_TXCON_ATM); - } - } - - /* need to configure the chip early */ - - USS820_WRITE_1(sc, USS820_EPINDEX, n); - USS820_WRITE_1(sc, USS820_TXCON, temp); - USS820_WRITE_1(sc, USS820_RXCON, temp); - - if (pf->support_control) { - temp = USS820_EPCON_CTLEP | - USS820_EPCON_RXSPM | - USS820_EPCON_RXIE | - USS820_EPCON_RXEPEN | - USS820_EPCON_TXOE | - USS820_EPCON_TXEPEN; - } else { - temp = USS820_EPCON_RXEPEN | USS820_EPCON_TXEPEN; - } - - uss820dci_update_shared_1(sc, USS820_EPCON, 0xFF, temp); - } - - USB_BUS_UNLOCK(&sc->sc_bus); - - /* catch any lost interrupts */ - - uss820dci_do_poll(&sc->sc_bus); - - return (0); /* success */ -} - -void -uss820dci_uninit(struct uss820dci_softc *sc) -{ - uint8_t temp; - - USB_BUS_LOCK(&sc->sc_bus); - - /* disable all interrupts */ - temp = USS820_READ_1(sc, USS820_SCR); - temp &= ~USS820_SCR_T_IRQ; - USS820_WRITE_1(sc, USS820_SCR, temp); - - sc->sc_flags.port_powered = 0; - sc->sc_flags.status_vbus = 0; - sc->sc_flags.status_bus_reset = 0; - sc->sc_flags.status_suspend = 0; - sc->sc_flags.change_suspend = 0; - sc->sc_flags.change_connect = 1; - - uss820dci_pull_down(sc); - USB_BUS_UNLOCK(&sc->sc_bus); -} - -void -uss820dci_suspend(struct uss820dci_softc *sc) -{ - return; -} - -void -uss820dci_resume(struct uss820dci_softc *sc) -{ - return; -} - -static void -uss820dci_do_poll(struct usb2_bus *bus) -{ - struct uss820dci_softc *sc = USS820_DCI_BUS2SC(bus); - - USB_BUS_LOCK(&sc->sc_bus); - uss820dci_interrupt_poll(sc); - uss820dci_root_ctrl_poll(sc); - USB_BUS_UNLOCK(&sc->sc_bus); -} - -/*------------------------------------------------------------------------* - * at91dci bulk support - *------------------------------------------------------------------------*/ -static void -uss820dci_device_bulk_open(struct usb2_xfer *xfer) -{ - return; -} - -static void -uss820dci_device_bulk_close(struct usb2_xfer *xfer) -{ - uss820dci_device_done(xfer, USB_ERR_CANCELLED); -} - -static void -uss820dci_device_bulk_enter(struct usb2_xfer *xfer) -{ - return; -} - -static void -uss820dci_device_bulk_start(struct usb2_xfer *xfer) -{ - /* setup TDs */ - uss820dci_setup_standard_chain(xfer); - uss820dci_start_standard_chain(xfer); -} - -struct usb2_pipe_methods uss820dci_device_bulk_methods = -{ - .open = uss820dci_device_bulk_open, - .close = uss820dci_device_bulk_close, - .enter = uss820dci_device_bulk_enter, - .start = uss820dci_device_bulk_start, - .enter_is_cancelable = 1, - .start_is_cancelable = 1, -}; - -/*------------------------------------------------------------------------* - * at91dci control support - *------------------------------------------------------------------------*/ -static void -uss820dci_device_ctrl_open(struct usb2_xfer *xfer) -{ - return; -} - -static void -uss820dci_device_ctrl_close(struct usb2_xfer *xfer) -{ - uss820dci_device_done(xfer, USB_ERR_CANCELLED); -} - -static void -uss820dci_device_ctrl_enter(struct usb2_xfer *xfer) -{ - return; -} - -static void -uss820dci_device_ctrl_start(struct usb2_xfer *xfer) -{ - /* setup TDs */ - uss820dci_setup_standard_chain(xfer); - uss820dci_start_standard_chain(xfer); -} - -struct usb2_pipe_methods uss820dci_device_ctrl_methods = -{ - .open = uss820dci_device_ctrl_open, - .close = uss820dci_device_ctrl_close, - .enter = uss820dci_device_ctrl_enter, - .start = uss820dci_device_ctrl_start, - .enter_is_cancelable = 1, - .start_is_cancelable = 1, -}; - -/*------------------------------------------------------------------------* - * at91dci interrupt support - *------------------------------------------------------------------------*/ -static void -uss820dci_device_intr_open(struct usb2_xfer *xfer) -{ - return; -} - -static void -uss820dci_device_intr_close(struct usb2_xfer *xfer) -{ - uss820dci_device_done(xfer, USB_ERR_CANCELLED); -} - -static void -uss820dci_device_intr_enter(struct usb2_xfer *xfer) -{ - return; -} - -static void -uss820dci_device_intr_start(struct usb2_xfer *xfer) -{ - /* setup TDs */ - uss820dci_setup_standard_chain(xfer); - uss820dci_start_standard_chain(xfer); -} - -struct usb2_pipe_methods uss820dci_device_intr_methods = -{ - .open = uss820dci_device_intr_open, - .close = uss820dci_device_intr_close, - .enter = uss820dci_device_intr_enter, - .start = uss820dci_device_intr_start, - .enter_is_cancelable = 1, - .start_is_cancelable = 1, -}; - -/*------------------------------------------------------------------------* - * at91dci full speed isochronous support - *------------------------------------------------------------------------*/ -static void -uss820dci_device_isoc_fs_open(struct usb2_xfer *xfer) -{ - return; -} - -static void -uss820dci_device_isoc_fs_close(struct usb2_xfer *xfer) -{ - uss820dci_device_done(xfer, USB_ERR_CANCELLED); -} - -static void -uss820dci_device_isoc_fs_enter(struct usb2_xfer *xfer) -{ - struct uss820dci_softc *sc = USS820_DCI_BUS2SC(xfer->xroot->bus); - uint32_t temp; - uint32_t nframes; - - DPRINTFN(6, "xfer=%p next=%d nframes=%d\n", - xfer, xfer->pipe->isoc_next, xfer->nframes); - - /* get the current frame index - we don't need the high bits */ - - nframes = USS820_READ_1(sc, USS820_SOFL); - - /* - * check if the frame index is within the window where the - * frames will be inserted - */ - temp = (nframes - xfer->pipe->isoc_next) & USS820_SOFL_MASK; - - if ((xfer->pipe->is_synced == 0) || - (temp < xfer->nframes)) { - /* - * If there is data underflow or the pipe queue is - * empty we schedule the transfer a few frames ahead - * of the current frame position. Else two isochronous - * transfers might overlap. - */ - xfer->pipe->isoc_next = (nframes + 3) & USS820_SOFL_MASK; - xfer->pipe->is_synced = 1; - DPRINTFN(3, "start next=%d\n", xfer->pipe->isoc_next); - } - /* - * compute how many milliseconds the insertion is ahead of the - * current frame position: - */ - temp = (xfer->pipe->isoc_next - nframes) & USS820_SOFL_MASK; - - /* - * pre-compute when the isochronous transfer will be finished: - */ - xfer->isoc_time_complete = - usb2_isoc_time_expand(&sc->sc_bus, nframes) + temp + - xfer->nframes; - - /* compute frame number for next insertion */ - xfer->pipe->isoc_next += xfer->nframes; - - /* setup TDs */ - uss820dci_setup_standard_chain(xfer); -} - -static void -uss820dci_device_isoc_fs_start(struct usb2_xfer *xfer) -{ - /* start TD chain */ - uss820dci_start_standard_chain(xfer); -} - -struct usb2_pipe_methods uss820dci_device_isoc_fs_methods = -{ - .open = uss820dci_device_isoc_fs_open, - .close = uss820dci_device_isoc_fs_close, - .enter = uss820dci_device_isoc_fs_enter, - .start = uss820dci_device_isoc_fs_start, - .enter_is_cancelable = 1, - .start_is_cancelable = 1, -}; - -/*------------------------------------------------------------------------* - * at91dci root control support - *------------------------------------------------------------------------* - * simulate a hardware HUB by handling - * all the necessary requests - *------------------------------------------------------------------------*/ - -static void -uss820dci_root_ctrl_open(struct usb2_xfer *xfer) -{ - return; -} - -static void -uss820dci_root_ctrl_close(struct usb2_xfer *xfer) -{ - struct uss820dci_softc *sc = USS820_DCI_BUS2SC(xfer->xroot->bus); - - if (sc->sc_root_ctrl.xfer == xfer) { - sc->sc_root_ctrl.xfer = NULL; - } - uss820dci_device_done(xfer, USB_ERR_CANCELLED); -} - -/* - * USB descriptors for the virtual Root HUB: - */ - -static const struct usb2_device_descriptor uss820dci_devd = { - .bLength = sizeof(struct usb2_device_descriptor), - .bDescriptorType = UDESC_DEVICE, - .bcdUSB = {0x00, 0x02}, - .bDeviceClass = UDCLASS_HUB, - .bDeviceSubClass = UDSUBCLASS_HUB, - .bDeviceProtocol = UDPROTO_HSHUBSTT, - .bMaxPacketSize = 64, - .bcdDevice = {0x00, 0x01}, - .iManufacturer = 1, - .iProduct = 2, - .bNumConfigurations = 1, -}; - -static const struct usb2_device_qualifier uss820dci_odevd = { - .bLength = sizeof(struct usb2_device_qualifier), - .bDescriptorType = UDESC_DEVICE_QUALIFIER, - .bcdUSB = {0x00, 0x02}, - .bDeviceClass = UDCLASS_HUB, - .bDeviceSubClass = UDSUBCLASS_HUB, - .bDeviceProtocol = UDPROTO_FSHUB, - .bMaxPacketSize0 = 0, - .bNumConfigurations = 0, -}; - -static const struct uss820dci_config_desc uss820dci_confd = { - .confd = { - .bLength = sizeof(struct usb2_config_descriptor), - .bDescriptorType = UDESC_CONFIG, - .wTotalLength[0] = sizeof(uss820dci_confd), - .bNumInterface = 1, - .bConfigurationValue = 1, - .iConfiguration = 0, - .bmAttributes = UC_SELF_POWERED, - .bMaxPower = 0, - }, - .ifcd = { - .bLength = sizeof(struct usb2_interface_descriptor), - .bDescriptorType = UDESC_INTERFACE, - .bNumEndpoints = 1, - .bInterfaceClass = UICLASS_HUB, - .bInterfaceSubClass = UISUBCLASS_HUB, - .bInterfaceProtocol = UIPROTO_HSHUBSTT, - }, - - .endpd = { - .bLength = sizeof(struct usb2_endpoint_descriptor), - .bDescriptorType = UDESC_ENDPOINT, - .bEndpointAddress = (UE_DIR_IN | USS820_DCI_INTR_ENDPT), - .bmAttributes = UE_INTERRUPT, - .wMaxPacketSize[0] = 8, - .bInterval = 255, - }, -}; - -static const struct usb2_hub_descriptor_min uss820dci_hubd = { - .bDescLength = sizeof(uss820dci_hubd), - .bDescriptorType = UDESC_HUB, - .bNbrPorts = 1, - .wHubCharacteristics[0] = - (UHD_PWR_NO_SWITCH | UHD_OC_INDIVIDUAL) & 0xFF, - .wHubCharacteristics[1] = - (UHD_PWR_NO_SWITCH | UHD_OC_INDIVIDUAL) >> 8, - .bPwrOn2PwrGood = 50, - .bHubContrCurrent = 0, - .DeviceRemovable = {0}, /* port is removable */ -}; - -#define STRING_LANG \ - 0x09, 0x04, /* American English */ - -#define STRING_VENDOR \ - 'A', 0, 'G', 0, 'E', 0, 'R', 0, 'E', 0 - -#define STRING_PRODUCT \ - 'D', 0, 'C', 0, 'I', 0, ' ', 0, 'R', 0, \ - 'o', 0, 'o', 0, 't', 0, ' ', 0, 'H', 0, \ - 'U', 0, 'B', 0, - -USB_MAKE_STRING_DESC(STRING_LANG, uss820dci_langtab); -USB_MAKE_STRING_DESC(STRING_VENDOR, uss820dci_vendor); -USB_MAKE_STRING_DESC(STRING_PRODUCT, uss820dci_product); - -static void -uss820dci_root_ctrl_enter(struct usb2_xfer *xfer) -{ - return; -} - -static void -uss820dci_root_ctrl_start(struct usb2_xfer *xfer) -{ - struct uss820dci_softc *sc = USS820_DCI_BUS2SC(xfer->xroot->bus); - - sc->sc_root_ctrl.xfer = xfer; - - usb2_bus_roothub_exec(xfer->xroot->bus); -} - -static void -uss820dci_root_ctrl_task(struct usb2_bus *bus) -{ - uss820dci_root_ctrl_poll(USS820_DCI_BUS2SC(bus)); -} - -static void -uss820dci_root_ctrl_done(struct usb2_xfer *xfer, - struct usb2_sw_transfer *std) -{ - struct uss820dci_softc *sc = USS820_DCI_BUS2SC(xfer->xroot->bus); - uint16_t value; - uint16_t index; - uint8_t use_polling; - - USB_BUS_LOCK_ASSERT(&sc->sc_bus, MA_OWNED); - - if (std->state != USB_SW_TR_SETUP) { - if (std->state == USB_SW_TR_PRE_CALLBACK) { - /* transfer transferred */ - uss820dci_device_done(xfer, std->err); - } - goto done; - } - /* buffer reset */ - std->ptr = USB_ADD_BYTES(&sc->sc_hub_temp, 0); - std->len = 0; - - value = UGETW(std->req.wValue); - index = UGETW(std->req.wIndex); - - use_polling = mtx_owned(xfer->xroot->xfer_mtx) ? 1 : 0; - - /* demultiplex the control request */ - - switch (std->req.bmRequestType) { - case UT_READ_DEVICE: - switch (std->req.bRequest) { - case UR_GET_DESCRIPTOR: - goto tr_handle_get_descriptor; - case UR_GET_CONFIG: - goto tr_handle_get_config; - case UR_GET_STATUS: - goto tr_handle_get_status; - default: - goto tr_stalled; - } - break; - - case UT_WRITE_DEVICE: - switch (std->req.bRequest) { - case UR_SET_ADDRESS: - goto tr_handle_set_address; - case UR_SET_CONFIG: - goto tr_handle_set_config; - case UR_CLEAR_FEATURE: - goto tr_valid; /* nop */ - case UR_SET_DESCRIPTOR: - goto tr_valid; /* nop */ - case UR_SET_FEATURE: - default: - goto tr_stalled; - } - break; - - case UT_WRITE_ENDPOINT: - switch (std->req.bRequest) { - case UR_CLEAR_FEATURE: - switch (UGETW(std->req.wValue)) { - case UF_ENDPOINT_HALT: - goto tr_handle_clear_halt; - case UF_DEVICE_REMOTE_WAKEUP: - goto tr_handle_clear_wakeup; - default: - goto tr_stalled; - } - break; - case UR_SET_FEATURE: - switch (UGETW(std->req.wValue)) { - case UF_ENDPOINT_HALT: - goto tr_handle_set_halt; - case UF_DEVICE_REMOTE_WAKEUP: - goto tr_handle_set_wakeup; - default: - goto tr_stalled; - } - break; - case UR_SYNCH_FRAME: - goto tr_valid; /* nop */ - default: - goto tr_stalled; - } - break; - - case UT_READ_ENDPOINT: - switch (std->req.bRequest) { - case UR_GET_STATUS: - goto tr_handle_get_ep_status; - default: - goto tr_stalled; - } - break; - - case UT_WRITE_INTERFACE: - switch (std->req.bRequest) { - case UR_SET_INTERFACE: - goto tr_handle_set_interface; - case UR_CLEAR_FEATURE: - goto tr_valid; /* nop */ - case UR_SET_FEATURE: - default: - goto tr_stalled; - } - break; - - case UT_READ_INTERFACE: - switch (std->req.bRequest) { - case UR_GET_INTERFACE: - goto tr_handle_get_interface; - case UR_GET_STATUS: - goto tr_handle_get_iface_status; - default: - goto tr_stalled; - } - break; - - case UT_WRITE_CLASS_INTERFACE: - case UT_WRITE_VENDOR_INTERFACE: - /* XXX forward */ - break; - - case UT_READ_CLASS_INTERFACE: - case UT_READ_VENDOR_INTERFACE: - /* XXX forward */ - break; - - case UT_WRITE_CLASS_DEVICE: - switch (std->req.bRequest) { - case UR_CLEAR_FEATURE: - goto tr_valid; - case UR_SET_DESCRIPTOR: - case UR_SET_FEATURE: - break; - default: - goto tr_stalled; - } - break; - - case UT_WRITE_CLASS_OTHER: - switch (std->req.bRequest) { - case UR_CLEAR_FEATURE: - goto tr_handle_clear_port_feature; - case UR_SET_FEATURE: - goto tr_handle_set_port_feature; - case UR_CLEAR_TT_BUFFER: - case UR_RESET_TT: - case UR_STOP_TT: - goto tr_valid; - - default: - goto tr_stalled; - } - break; - - case UT_READ_CLASS_OTHER: - switch (std->req.bRequest) { - case UR_GET_TT_STATE: - goto tr_handle_get_tt_state; - case UR_GET_STATUS: - goto tr_handle_get_port_status; - default: - goto tr_stalled; - } - break; - - case UT_READ_CLASS_DEVICE: - switch (std->req.bRequest) { - case UR_GET_DESCRIPTOR: - goto tr_handle_get_class_descriptor; - case UR_GET_STATUS: - goto tr_handle_get_class_status; - - default: - goto tr_stalled; - } - break; - default: - goto tr_stalled; - } - goto tr_valid; - -tr_handle_get_descriptor: - switch (value >> 8) { - case UDESC_DEVICE: - if (value & 0xff) { - goto tr_stalled; - } - std->len = sizeof(uss820dci_devd); - std->ptr = USB_ADD_BYTES(&uss820dci_devd, 0); - goto tr_valid; - case UDESC_CONFIG: - if (value & 0xff) { - goto tr_stalled; - } - std->len = sizeof(uss820dci_confd); - std->ptr = USB_ADD_BYTES(&uss820dci_confd, 0); - goto tr_valid; - case UDESC_STRING: - switch (value & 0xff) { - case 0: /* Language table */ - std->len = sizeof(uss820dci_langtab); - std->ptr = USB_ADD_BYTES(&uss820dci_langtab, 0); - goto tr_valid; - - case 1: /* Vendor */ - std->len = sizeof(uss820dci_vendor); - std->ptr = USB_ADD_BYTES(&uss820dci_vendor, 0); - goto tr_valid; - - case 2: /* Product */ - std->len = sizeof(uss820dci_product); - std->ptr = USB_ADD_BYTES(&uss820dci_product, 0); - goto tr_valid; - default: - break; - } - break; - default: - goto tr_stalled; - } - goto tr_stalled; - -tr_handle_get_config: - std->len = 1; - sc->sc_hub_temp.wValue[0] = sc->sc_conf; - goto tr_valid; - -tr_handle_get_status: - std->len = 2; - USETW(sc->sc_hub_temp.wValue, UDS_SELF_POWERED); - goto tr_valid; - -tr_handle_set_address: - if (value & 0xFF00) { - goto tr_stalled; - } - sc->sc_rt_addr = value; - goto tr_valid; - -tr_handle_set_config: - if (value >= 2) { - goto tr_stalled; - } - sc->sc_conf = value; - goto tr_valid; - -tr_handle_get_interface: - std->len = 1; - sc->sc_hub_temp.wValue[0] = 0; - goto tr_valid; - -tr_handle_get_tt_state: -tr_handle_get_class_status: -tr_handle_get_iface_status: -tr_handle_get_ep_status: - std->len = 2; - USETW(sc->sc_hub_temp.wValue, 0); - goto tr_valid; - -tr_handle_set_halt: -tr_handle_set_interface: -tr_handle_set_wakeup: -tr_handle_clear_wakeup: -tr_handle_clear_halt: - goto tr_valid; - -tr_handle_clear_port_feature: - if (index != 1) { - goto tr_stalled; - } - DPRINTFN(9, "UR_CLEAR_PORT_FEATURE on port %d\n", index); - - switch (value) { - case UHF_PORT_SUSPEND: - uss820dci_wakeup_peer(sc); - break; - - case UHF_PORT_ENABLE: - sc->sc_flags.port_enabled = 0; - break; - - case UHF_PORT_TEST: - case UHF_PORT_INDICATOR: - case UHF_C_PORT_ENABLE: - case UHF_C_PORT_OVER_CURRENT: - case UHF_C_PORT_RESET: - /* nops */ - break; - case UHF_PORT_POWER: - sc->sc_flags.port_powered = 0; - uss820dci_pull_down(sc); - break; - case UHF_C_PORT_CONNECTION: - sc->sc_flags.change_connect = 0; - break; - case UHF_C_PORT_SUSPEND: - sc->sc_flags.change_suspend = 0; - break; - default: - std->err = USB_ERR_IOERROR; - goto done; - } - goto tr_valid; - -tr_handle_set_port_feature: - if (index != 1) { - goto tr_stalled; - } - DPRINTFN(9, "UR_SET_PORT_FEATURE\n"); - - switch (value) { - case UHF_PORT_ENABLE: - sc->sc_flags.port_enabled = 1; - break; - case UHF_PORT_SUSPEND: - case UHF_PORT_RESET: - case UHF_PORT_TEST: - case UHF_PORT_INDICATOR: - /* nops */ - break; - case UHF_PORT_POWER: - sc->sc_flags.port_powered = 1; - break; - default: - std->err = USB_ERR_IOERROR; - goto done; - } - goto tr_valid; - -tr_handle_get_port_status: - - DPRINTFN(9, "UR_GET_PORT_STATUS\n"); - - if (index != 1) { - goto tr_stalled; - } - if (sc->sc_flags.status_vbus) { - uss820dci_pull_up(sc); - } else { - uss820dci_pull_down(sc); - } - - /* Select FULL-speed and Device Side Mode */ - - value = UPS_PORT_MODE_DEVICE; - - if (sc->sc_flags.port_powered) { - value |= UPS_PORT_POWER; - } - if (sc->sc_flags.port_enabled) { - value |= UPS_PORT_ENABLED; - } - if (sc->sc_flags.status_vbus && - sc->sc_flags.status_bus_reset) { - value |= UPS_CURRENT_CONNECT_STATUS; - } - if (sc->sc_flags.status_suspend) { - value |= UPS_SUSPEND; - } - USETW(sc->sc_hub_temp.ps.wPortStatus, value); - - value = 0; - - if (sc->sc_flags.change_connect) { - value |= UPS_C_CONNECT_STATUS; - } - if (sc->sc_flags.change_suspend) { - value |= UPS_C_SUSPEND; - } - USETW(sc->sc_hub_temp.ps.wPortChange, value); - std->len = sizeof(sc->sc_hub_temp.ps); - goto tr_valid; - -tr_handle_get_class_descriptor: - if (value & 0xFF) { - goto tr_stalled; - } - std->ptr = USB_ADD_BYTES(&uss820dci_hubd, 0); - std->len = sizeof(uss820dci_hubd); - goto tr_valid; - -tr_stalled: - std->err = USB_ERR_STALLED; -tr_valid: -done: - return; -} - -static void -uss820dci_root_ctrl_poll(struct uss820dci_softc *sc) -{ - usb2_sw_transfer(&sc->sc_root_ctrl, - &uss820dci_root_ctrl_done); -} - -struct usb2_pipe_methods uss820dci_root_ctrl_methods = -{ - .open = uss820dci_root_ctrl_open, - .close = uss820dci_root_ctrl_close, - .enter = uss820dci_root_ctrl_enter, - .start = uss820dci_root_ctrl_start, - .enter_is_cancelable = 1, - .start_is_cancelable = 0, -}; - -/*------------------------------------------------------------------------* - * at91dci root interrupt support - *------------------------------------------------------------------------*/ -static void -uss820dci_root_intr_open(struct usb2_xfer *xfer) -{ - return; -} - -static void -uss820dci_root_intr_close(struct usb2_xfer *xfer) -{ - struct uss820dci_softc *sc = USS820_DCI_BUS2SC(xfer->xroot->bus); - - if (sc->sc_root_intr.xfer == xfer) { - sc->sc_root_intr.xfer = NULL; - } - uss820dci_device_done(xfer, USB_ERR_CANCELLED); -} - -static void -uss820dci_root_intr_enter(struct usb2_xfer *xfer) -{ - return; -} - -static void -uss820dci_root_intr_start(struct usb2_xfer *xfer) -{ - struct uss820dci_softc *sc = USS820_DCI_BUS2SC(xfer->xroot->bus); - - sc->sc_root_intr.xfer = xfer; -} - -struct usb2_pipe_methods uss820dci_root_intr_methods = -{ - .open = uss820dci_root_intr_open, - .close = uss820dci_root_intr_close, - .enter = uss820dci_root_intr_enter, - .start = uss820dci_root_intr_start, - .enter_is_cancelable = 1, - .start_is_cancelable = 1, -}; - -static void -uss820dci_xfer_setup(struct usb2_setup_params *parm) -{ - const struct usb2_hw_ep_profile *pf; - struct uss820dci_softc *sc; - struct usb2_xfer *xfer; - void *last_obj; - uint32_t ntd; - uint32_t n; - uint8_t ep_no; - - sc = USS820_DCI_BUS2SC(parm->udev->bus); - xfer = parm->curr_xfer; - - /* - * NOTE: This driver does not use any of the parameters that - * are computed from the following values. Just set some - * reasonable dummies: - */ - parm->hc_max_packet_size = 0x500; - parm->hc_max_packet_count = 1; - parm->hc_max_frame_size = 0x500; - - usb2_transfer_setup_sub(parm); - - /* - * compute maximum number of TDs - */ - if (parm->methods == &uss820dci_device_ctrl_methods) { - - ntd = xfer->nframes + 1 /* STATUS */ + 1 /* SYNC */ ; - - } else if (parm->methods == &uss820dci_device_bulk_methods) { - - ntd = xfer->nframes + 1 /* SYNC */ ; - - } else if (parm->methods == &uss820dci_device_intr_methods) { - - ntd = xfer->nframes + 1 /* SYNC */ ; - - } else if (parm->methods == &uss820dci_device_isoc_fs_methods) { - - ntd = xfer->nframes + 1 /* SYNC */ ; - - } else { - - ntd = 0; - } - - /* - * check if "usb2_transfer_setup_sub" set an error - */ - if (parm->err) { - return; - } - /* - * allocate transfer descriptors - */ - last_obj = NULL; - - /* - * get profile stuff - */ - if (ntd) { - - ep_no = xfer->endpoint & UE_ADDR; - uss820dci_get_hw_ep_profile(parm->udev, &pf, ep_no); - - if (pf == NULL) { - /* should not happen */ - parm->err = USB_ERR_INVAL; - return; - } - } else { - ep_no = 0; - pf = NULL; - } - - /* align data */ - parm->size[0] += ((-parm->size[0]) & (USB_HOST_ALIGN - 1)); - - for (n = 0; n != ntd; n++) { - - struct uss820dci_td *td; - - if (parm->buf) { - - td = USB_ADD_BYTES(parm->buf, parm->size[0]); - - /* init TD */ - td->io_tag = sc->sc_io_tag; - td->io_hdl = sc->sc_io_hdl; - td->max_packet_size = xfer->max_packet_size; - td->rx_stat_reg = USS820_GET_REG(sc, USS820_RXSTAT); - td->tx_stat_reg = USS820_GET_REG(sc, USS820_TXSTAT); - td->rx_flag_reg = USS820_GET_REG(sc, USS820_RXFLG); - td->tx_flag_reg = USS820_GET_REG(sc, USS820_TXFLG); - td->rx_fifo_reg = USS820_GET_REG(sc, USS820_RXDAT); - td->tx_fifo_reg = USS820_GET_REG(sc, USS820_TXDAT); - td->rx_count_low_reg = USS820_GET_REG(sc, USS820_RXCNTL); - td->rx_count_high_reg = USS820_GET_REG(sc, USS820_RXCNTH); - td->tx_count_low_reg = USS820_GET_REG(sc, USS820_TXCNTL); - td->tx_count_high_reg = USS820_GET_REG(sc, USS820_TXCNTH); - td->rx_cntl_reg = USS820_GET_REG(sc, USS820_RXCON); - td->tx_cntl_reg = USS820_GET_REG(sc, USS820_TXCON); - td->pend_reg = USS820_GET_REG(sc, USS820_PEND); - td->ep_reg = USS820_GET_REG(sc, USS820_EPINDEX); - td->ep_index = ep_no; - if (pf->support_multi_buffer && - (parm->methods != &uss820dci_device_ctrl_methods)) { - td->support_multi_buffer = 1; - } - td->obj_next = last_obj; - - last_obj = td; - } - parm->size[0] += sizeof(*td); - } - - xfer->td_start[0] = last_obj; -} - -static void -uss820dci_xfer_unsetup(struct usb2_xfer *xfer) -{ - return; -} - -static void -uss820dci_pipe_init(struct usb2_device *udev, struct usb2_endpoint_descriptor *edesc, - struct usb2_pipe *pipe) -{ - struct uss820dci_softc *sc = USS820_DCI_BUS2SC(udev->bus); - - DPRINTFN(2, "pipe=%p, addr=%d, endpt=%d, mode=%d (%d)\n", - pipe, udev->address, - edesc->bEndpointAddress, udev->flags.usb2_mode, - sc->sc_rt_addr); - - if (udev->device_index == sc->sc_rt_addr) { - - if (udev->flags.usb2_mode != USB_MODE_HOST) { - /* not supported */ - return; - } - switch (edesc->bEndpointAddress) { - case USB_CONTROL_ENDPOINT: - pipe->methods = &uss820dci_root_ctrl_methods; - break; - case UE_DIR_IN | USS820_DCI_INTR_ENDPT: - pipe->methods = &uss820dci_root_intr_methods; - break; - default: - /* do nothing */ - break; - } - } else { - - if (udev->flags.usb2_mode != USB_MODE_DEVICE) { - /* not supported */ - return; - } - if (udev->speed != USB_SPEED_FULL) { - /* not supported */ - return; - } - switch (edesc->bmAttributes & UE_XFERTYPE) { - case UE_CONTROL: - pipe->methods = &uss820dci_device_ctrl_methods; - break; - case UE_INTERRUPT: - pipe->methods = &uss820dci_device_intr_methods; - break; - case UE_ISOCHRONOUS: - pipe->methods = &uss820dci_device_isoc_fs_methods; - break; - case UE_BULK: - pipe->methods = &uss820dci_device_bulk_methods; - break; - default: - /* do nothing */ - break; - } - } -} - -struct usb2_bus_methods uss820dci_bus_methods = -{ - .pipe_init = &uss820dci_pipe_init, - .xfer_setup = &uss820dci_xfer_setup, - .xfer_unsetup = &uss820dci_xfer_unsetup, - .do_poll = &uss820dci_do_poll, - .get_hw_ep_profile = &uss820dci_get_hw_ep_profile, - .set_stall = &uss820dci_set_stall, - .clear_stall = &uss820dci_clear_stall, - .roothub_exec = &uss820dci_root_ctrl_task, -}; |
