1321 lines
30 KiB
C
1321 lines
30 KiB
C
/* $NetBSD: if_udav.c,v 1.2 2003/09/04 15:17:38 tsutsui Exp $ */
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/* $nabe: if_udav.c,v 1.3 2003/08/21 16:57:19 nabe Exp $ */
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/* $FreeBSD$ */
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/*-
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* Copyright (c) 2003
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* Shingo WATANABE <nabe@nabechan.org>. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the author nor the names of any co-contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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*/
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/*
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* DM9601(DAVICOM USB to Ethernet MAC Controller with Integrated 10/100 PHY)
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* The spec can be found at the following url.
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* http://www.davicom.com.tw/big5/download/Data%20Sheet/DM9601-DS-P01-930914.pdf
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*/
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/*
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* NOTE: all function names beginning like "udav_cfg_" can only
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* be called from within the config thread function !
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*/
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/*
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* TODO:
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* Interrupt Endpoint support
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* External PHYs
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*/
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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#include <dev/usb2/include/usb2_devid.h>
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#include <dev/usb2/include/usb2_standard.h>
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#include <dev/usb2/include/usb2_mfunc.h>
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#include <dev/usb2/include/usb2_error.h>
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#define usb2_config_td_cc usb2_ether_cc
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#define usb2_config_td_softc udav_softc
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#define USB_DEBUG_VAR udav_debug
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#include <dev/usb2/core/usb2_core.h>
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#include <dev/usb2/core/usb2_lookup.h>
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#include <dev/usb2/core/usb2_process.h>
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#include <dev/usb2/core/usb2_config_td.h>
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#include <dev/usb2/core/usb2_debug.h>
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#include <dev/usb2/core/usb2_request.h>
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#include <dev/usb2/core/usb2_busdma.h>
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#include <dev/usb2/core/usb2_util.h>
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#include <dev/usb2/ethernet/usb2_ethernet.h>
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#include <dev/usb2/ethernet/if_udavreg.h>
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/* prototypes */
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static device_probe_t udav_probe;
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static device_attach_t udav_attach;
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static device_detach_t udav_detach;
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static device_shutdown_t udav_shutdown;
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static usb2_callback_t udav_bulk_write_clear_stall_callback;
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static usb2_callback_t udav_bulk_write_callback;
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static usb2_callback_t udav_bulk_read_clear_stall_callback;
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static usb2_callback_t udav_bulk_read_callback;
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static usb2_callback_t udav_intr_clear_stall_callback;
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static usb2_callback_t udav_intr_callback;
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static usb2_config_td_command_t udav_cfg_first_time_setup;
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static usb2_config_td_command_t udav_cfg_pre_init;
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static usb2_config_td_command_t udav_cfg_init;
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static usb2_config_td_command_t udav_config_copy;
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static usb2_config_td_command_t udav_cfg_promisc_upd;
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static usb2_config_td_command_t udav_cfg_pre_stop;
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static usb2_config_td_command_t udav_cfg_stop;
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static usb2_config_td_command_t udav_cfg_ifmedia_change;
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static usb2_config_td_command_t udav_cfg_tick;
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static void udav_cfg_do_request(struct udav_softc *,
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struct usb2_device_request *, void *);
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static void udav_cfg_csr_read(struct udav_softc *, uint16_t, void *,
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uint16_t);
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static void udav_cfg_csr_write(struct udav_softc *, uint16_t, void *,
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uint16_t);
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static uint8_t udav_cfg_csr_read1(struct udav_softc *, uint16_t);
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static void udav_cfg_csr_write1(struct udav_softc *, uint16_t, uint8_t);
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static void udav_init_cb(void *);
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static void udav_cfg_reset(struct udav_softc *);
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static void udav_start_cb(struct ifnet *);
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static void udav_start_transfers(struct udav_softc *);
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static int udav_ioctl_cb(struct ifnet *, u_long, caddr_t);
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static void udav_watchdog(void *);
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static int udav_ifmedia_change_cb(struct ifnet *);
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static void udav_ifmedia_status_cb(struct ifnet *, struct ifmediareq *);
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static miibus_readreg_t udav_cfg_miibus_readreg;
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static miibus_writereg_t udav_cfg_miibus_writereg;
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static miibus_statchg_t udav_cfg_miibus_statchg;
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static const struct usb2_config udav_config[UDAV_N_TRANSFER] = {
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[UDAV_BULK_DT_WR] = {
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.type = UE_BULK,
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.endpoint = UE_ADDR_ANY,
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.direction = UE_DIR_OUT,
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.mh.bufsize = (MCLBYTES + 2),
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.mh.flags = {.pipe_bof = 1,.force_short_xfer = 1,},
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.mh.callback = &udav_bulk_write_callback,
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.mh.timeout = 10000, /* 10 seconds */
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},
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[UDAV_BULK_DT_RD] = {
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.type = UE_BULK,
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.endpoint = UE_ADDR_ANY,
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.direction = UE_DIR_IN,
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.mh.bufsize = (MCLBYTES + 3),
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.mh.flags = {.pipe_bof = 1,.short_xfer_ok = 1,},
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.mh.callback = &udav_bulk_read_callback,
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.mh.timeout = 0, /* no timeout */
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},
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[UDAV_BULK_CS_WR] = {
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.type = UE_CONTROL,
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.endpoint = 0x00, /* Control pipe */
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.direction = UE_DIR_ANY,
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.mh.bufsize = sizeof(struct usb2_device_request),
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.mh.flags = {},
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.mh.callback = &udav_bulk_write_clear_stall_callback,
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.mh.timeout = 1000, /* 1 second */
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.mh.interval = 50, /* 50ms */
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},
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[UDAV_BULK_CS_RD] = {
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.type = UE_CONTROL,
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.endpoint = 0x00, /* Control pipe */
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.direction = UE_DIR_ANY,
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.mh.bufsize = sizeof(struct usb2_device_request),
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.mh.flags = {},
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.mh.callback = &udav_bulk_read_clear_stall_callback,
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.mh.timeout = 1000, /* 1 second */
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.mh.interval = 50, /* 50ms */
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},
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[UDAV_INTR_DT_RD] = {
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.type = UE_INTERRUPT,
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.endpoint = UE_ADDR_ANY,
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.direction = UE_DIR_IN,
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.mh.flags = {.pipe_bof = 1,.short_xfer_ok = 1,},
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.mh.bufsize = 0, /* use wMaxPacketSize */
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.mh.callback = &udav_intr_callback,
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},
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[UDAV_INTR_CS_RD] = {
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.type = UE_CONTROL,
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.endpoint = 0x00, /* Control pipe */
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.direction = UE_DIR_ANY,
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.mh.bufsize = sizeof(struct usb2_device_request),
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.mh.flags = {},
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.mh.callback = &udav_intr_clear_stall_callback,
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.mh.timeout = 1000, /* 1 second */
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.mh.interval = 50, /* 50ms */
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},
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};
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static device_method_t udav_methods[] = {
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/* Device interface */
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DEVMETHOD(device_probe, udav_probe),
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DEVMETHOD(device_attach, udav_attach),
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DEVMETHOD(device_detach, udav_detach),
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DEVMETHOD(device_shutdown, udav_shutdown),
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/* bus interface */
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DEVMETHOD(bus_print_child, bus_generic_print_child),
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DEVMETHOD(bus_driver_added, bus_generic_driver_added),
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/* MII interface */
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DEVMETHOD(miibus_readreg, udav_cfg_miibus_readreg),
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DEVMETHOD(miibus_writereg, udav_cfg_miibus_writereg),
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DEVMETHOD(miibus_statchg, udav_cfg_miibus_statchg),
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{0, 0}
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};
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static driver_t udav_driver = {
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.name = "udav",
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.methods = udav_methods,
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.size = sizeof(struct udav_softc),
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};
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static devclass_t udav_devclass;
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DRIVER_MODULE(udav, ushub, udav_driver, udav_devclass, NULL, 0);
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DRIVER_MODULE(miibus, udav, miibus_driver, miibus_devclass, 0, 0);
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MODULE_DEPEND(udav, usb2_ethernet, 1, 1, 1);
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MODULE_DEPEND(udav, usb2_core, 1, 1, 1);
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MODULE_DEPEND(udav, ether, 1, 1, 1);
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MODULE_DEPEND(udav, miibus, 1, 1, 1);
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#if USB_DEBUG
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static int udav_debug = 0;
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SYSCTL_NODE(_hw_usb2, OID_AUTO, udav, CTLFLAG_RW, 0, "USB udav");
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SYSCTL_INT(_hw_usb2_udav, OID_AUTO, debug, CTLFLAG_RW, &udav_debug, 0,
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"Debug level");
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#endif
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#define UDAV_CFG_SETBIT(sc, reg, x) \
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udav_cfg_csr_write1(sc, reg, udav_cfg_csr_read1(sc, reg) | (x))
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#define UDAV_CFG_CLRBIT(sc, reg, x) \
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udav_cfg_csr_write1(sc, reg, udav_cfg_csr_read1(sc, reg) & ~(x))
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static const struct usb2_device_id udav_devs[] = {
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/* ShanTou DM9601 USB NIC */
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{USB_VPI(USB_VENDOR_SHANTOU, USB_PRODUCT_SHANTOU_DM9601, 0)},
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/* ShanTou ST268 USB NIC */
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{USB_VPI(USB_VENDOR_SHANTOU, USB_PRODUCT_SHANTOU_ST268, 0)},
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/* Corega USB-TXC */
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{USB_VPI(USB_VENDOR_COREGA, USB_PRODUCT_COREGA_FETHER_USB_TXC, 0)},
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};
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static int
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udav_probe(device_t dev)
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{
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struct usb2_attach_arg *uaa = device_get_ivars(dev);
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if (uaa->usb2_mode != USB_MODE_HOST) {
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return (ENXIO);
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}
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if (uaa->info.bConfigIndex != UDAV_CONFIG_INDEX) {
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return (ENXIO);
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}
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if (uaa->info.bIfaceIndex != UDAV_IFACE_INDEX) {
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return (ENXIO);
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}
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return (usb2_lookup_id_by_uaa(udav_devs, sizeof(udav_devs), uaa));
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}
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static int
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udav_attach(device_t dev)
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{
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struct usb2_attach_arg *uaa = device_get_ivars(dev);
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struct udav_softc *sc = device_get_softc(dev);
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int32_t error;
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uint8_t iface_index;
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sc->sc_udev = uaa->device;
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sc->sc_dev = dev;
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sc->sc_unit = device_get_unit(dev);
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sc->sc_flags = USB_GET_DRIVER_INFO(uaa);
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device_set_usb2_desc(dev);
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snprintf(sc->sc_name, sizeof(sc->sc_name), "%s",
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device_get_nameunit(dev));
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mtx_init(&sc->sc_mtx, "udav lock", NULL, MTX_DEF | MTX_RECURSE);
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usb2_callout_init_mtx(&sc->sc_watchdog, &sc->sc_mtx, 0);
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iface_index = UDAV_IFACE_INDEX;
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error = usb2_transfer_setup(uaa->device, &iface_index,
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sc->sc_xfer, udav_config, UDAV_N_TRANSFER, sc, &sc->sc_mtx);
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if (error) {
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device_printf(dev, "allocating USB "
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"transfers failed!\n");
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goto detach;
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}
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error = usb2_config_td_setup(&sc->sc_config_td, sc, &sc->sc_mtx,
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NULL, sizeof(struct usb2_config_td_cc), 16);
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if (error) {
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device_printf(dev, "could not setup config "
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"thread!\n");
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goto detach;
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}
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mtx_lock(&sc->sc_mtx);
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sc->sc_flags |= UDAV_FLAG_WAIT_LINK;
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/* start setup */
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usb2_config_td_queue_command
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(&sc->sc_config_td, NULL, &udav_cfg_first_time_setup, 0, 0);
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udav_watchdog(sc);
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mtx_unlock(&sc->sc_mtx);
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return (0); /* success */
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detach:
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udav_detach(dev);
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return (ENXIO); /* failure */
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}
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static void
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udav_cfg_first_time_setup(struct udav_softc *sc,
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struct usb2_config_td_cc *cc, uint16_t refcount)
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{
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struct ifnet *ifp;
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int error;
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uint8_t eaddr[min(ETHER_ADDR_LEN, 6)];
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/* reset the adapter */
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udav_cfg_reset(sc);
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/* get Ethernet Address */
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udav_cfg_csr_read(sc, UDAV_PAR, eaddr, ETHER_ADDR_LEN);
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mtx_unlock(&sc->sc_mtx);
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ifp = if_alloc(IFT_ETHER);
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mtx_lock(&sc->sc_mtx);
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if (ifp == NULL) {
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printf("%s: could not if_alloc()\n",
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sc->sc_name);
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goto done;
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}
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ifp->if_softc = sc;
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if_initname(ifp, "udav", sc->sc_unit);
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ifp->if_mtu = ETHERMTU;
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ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST;
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ifp->if_start = udav_start_cb;
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ifp->if_ioctl = udav_ioctl_cb;
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ifp->if_watchdog = NULL;
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ifp->if_init = udav_init_cb;
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IFQ_SET_MAXLEN(&ifp->if_snd, IFQ_MAXLEN);
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ifp->if_snd.ifq_drv_maxlen = IFQ_MAXLEN;
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IFQ_SET_READY(&ifp->if_snd);
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/*
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* XXX need Giant when accessing the device structures !
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*/
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mtx_unlock(&sc->sc_mtx);
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mtx_lock(&Giant);
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error = mii_phy_probe(sc->sc_dev, &sc->sc_miibus,
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&udav_ifmedia_change_cb,
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&udav_ifmedia_status_cb);
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mtx_unlock(&Giant);
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mtx_lock(&sc->sc_mtx);
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if (error) {
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printf("%s: MII without any PHY!\n",
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sc->sc_name);
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if_free(ifp);
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goto done;
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}
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sc->sc_ifp = ifp;
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mtx_unlock(&sc->sc_mtx);
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/*
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* Call MI attach routine.
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*/
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ether_ifattach(ifp, eaddr);
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mtx_lock(&sc->sc_mtx);
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done:
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return;
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}
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static int
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udav_detach(device_t dev)
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{
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struct udav_softc *sc = device_get_softc(dev);
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struct ifnet *ifp;
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usb2_config_td_drain(&sc->sc_config_td);
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mtx_lock(&sc->sc_mtx);
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usb2_callout_stop(&sc->sc_watchdog);
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udav_cfg_pre_stop(sc, NULL, 0);
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ifp = sc->sc_ifp;
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mtx_unlock(&sc->sc_mtx);
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/* stop all USB transfers first */
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usb2_transfer_unsetup(sc->sc_xfer, UDAV_N_TRANSFER);
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/* get rid of any late children */
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bus_generic_detach(dev);
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if (ifp) {
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ether_ifdetach(ifp);
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if_free(ifp);
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}
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usb2_config_td_unsetup(&sc->sc_config_td);
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usb2_callout_drain(&sc->sc_watchdog);
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mtx_destroy(&sc->sc_mtx);
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return (0);
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}
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static void
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udav_cfg_do_request(struct udav_softc *sc, struct usb2_device_request *req,
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void *data)
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{
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uint16_t length;
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usb2_error_t err;
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if (usb2_config_td_is_gone(&sc->sc_config_td)) {
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goto error;
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}
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err = usb2_do_request_flags
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(sc->sc_udev, &sc->sc_mtx, req, data, 0, NULL, 1000);
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if (err) {
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DPRINTF("device request failed, err=%s "
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"(ignored)\n", usb2_errstr(err));
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error:
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length = UGETW(req->wLength);
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if ((req->bmRequestType & UT_READ) && length) {
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bzero(data, length);
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}
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}
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}
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#if 0
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static void
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udav_cfg_mem_read(struct udav_softc *sc, uint16_t offset, void *buf,
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uint16_t len)
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{
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struct usb2_device_request req;
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len &= 0xff;
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req.bmRequestType = UT_READ_VENDOR_DEVICE;
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req.bRequest = UDAV_REQ_MEM_READ;
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USETW(req.wValue, 0x0000);
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USETW(req.wIndex, offset);
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USETW(req.wLength, len);
|
|
|
|
udav_cfg_do_request(sc, &req, buf);
|
|
}
|
|
|
|
static void
|
|
udav_cfg_mem_write(struct udav_softc *sc, uint16_t offset, void *buf,
|
|
uint16_t len)
|
|
{
|
|
struct usb2_device_request req;
|
|
|
|
len &= 0xff;
|
|
|
|
req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
|
|
req.bRequest = UDAV_REQ_MEM_WRITE;
|
|
USETW(req.wValue, 0x0000);
|
|
USETW(req.wIndex, offset);
|
|
USETW(req.wLength, len);
|
|
|
|
udav_cfg_do_request(sc, &req, buf);
|
|
}
|
|
|
|
static void
|
|
udav_cfg_mem_write1(struct udav_softc *sc, uint16_t offset,
|
|
uint8_t ch)
|
|
{
|
|
struct usb2_device_request req;
|
|
|
|
req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
|
|
req.bRequest = UDAV_REQ_MEM_WRITE1;
|
|
USETW(req.wValue, ch);
|
|
USETW(req.wIndex, offset);
|
|
USETW(req.wLength, 0x0000);
|
|
|
|
udav_cfg_do_request(sc, &req, NULL);
|
|
}
|
|
|
|
#endif
|
|
|
|
static void
|
|
udav_cfg_csr_read(struct udav_softc *sc, uint16_t offset, void *buf,
|
|
uint16_t len)
|
|
{
|
|
struct usb2_device_request req;
|
|
|
|
len &= 0xff;
|
|
|
|
req.bmRequestType = UT_READ_VENDOR_DEVICE;
|
|
req.bRequest = UDAV_REQ_REG_READ;
|
|
USETW(req.wValue, 0x0000);
|
|
USETW(req.wIndex, offset);
|
|
USETW(req.wLength, len);
|
|
|
|
udav_cfg_do_request(sc, &req, buf);
|
|
}
|
|
|
|
static void
|
|
udav_cfg_csr_write(struct udav_softc *sc, uint16_t offset, void *buf,
|
|
uint16_t len)
|
|
{
|
|
struct usb2_device_request req;
|
|
|
|
offset &= 0xff;
|
|
len &= 0xff;
|
|
|
|
req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
|
|
req.bRequest = UDAV_REQ_REG_WRITE;
|
|
USETW(req.wValue, 0x0000);
|
|
USETW(req.wIndex, offset);
|
|
USETW(req.wLength, len);
|
|
|
|
udav_cfg_do_request(sc, &req, buf);
|
|
}
|
|
|
|
static uint8_t
|
|
udav_cfg_csr_read1(struct udav_softc *sc, uint16_t offset)
|
|
{
|
|
uint8_t val;
|
|
|
|
udav_cfg_csr_read(sc, offset, &val, 1);
|
|
return (val);
|
|
}
|
|
|
|
static void
|
|
udav_cfg_csr_write1(struct udav_softc *sc, uint16_t offset,
|
|
uint8_t ch)
|
|
{
|
|
struct usb2_device_request req;
|
|
|
|
offset &= 0xff;
|
|
|
|
req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
|
|
req.bRequest = UDAV_REQ_REG_WRITE1;
|
|
USETW(req.wValue, ch);
|
|
USETW(req.wIndex, offset);
|
|
USETW(req.wLength, 0x0000);
|
|
|
|
udav_cfg_do_request(sc, &req, NULL);
|
|
}
|
|
|
|
static void
|
|
udav_init_cb(void *arg)
|
|
{
|
|
struct udav_softc *sc = arg;
|
|
|
|
mtx_lock(&sc->sc_mtx);
|
|
usb2_config_td_queue_command
|
|
(&sc->sc_config_td, &udav_cfg_pre_init,
|
|
&udav_cfg_init, 0, 0);
|
|
mtx_unlock(&sc->sc_mtx);
|
|
}
|
|
|
|
static void
|
|
udav_cfg_pre_init(struct udav_softc *sc,
|
|
struct usb2_config_td_cc *cc, uint16_t refcount)
|
|
{
|
|
struct ifnet *ifp = sc->sc_ifp;
|
|
|
|
/* immediate configuration */
|
|
|
|
udav_cfg_pre_stop(sc, cc, 0);
|
|
|
|
ifp->if_drv_flags |= IFF_DRV_RUNNING;
|
|
|
|
sc->sc_flags |= UDAV_FLAG_HL_READY;
|
|
}
|
|
|
|
static void
|
|
udav_cfg_init(struct udav_softc *sc,
|
|
struct usb2_config_td_cc *cc, uint16_t refcount)
|
|
{
|
|
struct mii_data *mii = GET_MII(sc);
|
|
|
|
/*
|
|
* Cancel pending I/O
|
|
*/
|
|
|
|
udav_cfg_stop(sc, cc, 0);
|
|
|
|
/* set MAC address */
|
|
|
|
udav_cfg_csr_write(sc, UDAV_PAR, cc->if_lladdr, ETHER_ADDR_LEN);
|
|
|
|
/* initialize network control register */
|
|
|
|
/* disable loopback */
|
|
|
|
UDAV_CFG_CLRBIT(sc, UDAV_NCR, UDAV_NCR_LBK0 | UDAV_NCR_LBK1);
|
|
|
|
/* Initialize RX control register */
|
|
UDAV_CFG_SETBIT(sc, UDAV_RCR, UDAV_RCR_DIS_LONG | UDAV_RCR_DIS_CRC);
|
|
|
|
/* load multicast filter and update promiscious mode bit */
|
|
udav_cfg_promisc_upd(sc, cc, 0);
|
|
|
|
/* enable RX */
|
|
UDAV_CFG_SETBIT(sc, UDAV_RCR, UDAV_RCR_RXEN);
|
|
|
|
/* clear POWER_DOWN state of internal PHY */
|
|
UDAV_CFG_SETBIT(sc, UDAV_GPCR, UDAV_GPCR_GEP_CNTL0);
|
|
UDAV_CFG_CLRBIT(sc, UDAV_GPR, UDAV_GPR_GEPIO0);
|
|
|
|
mii_mediachg(mii);
|
|
|
|
sc->sc_flags |= (UDAV_FLAG_READ_STALL |
|
|
UDAV_FLAG_WRITE_STALL |
|
|
UDAV_FLAG_LL_READY);
|
|
|
|
udav_start_transfers(sc);
|
|
}
|
|
|
|
static void
|
|
udav_cfg_reset(struct udav_softc *sc)
|
|
{
|
|
usb2_error_t err;
|
|
uint16_t to;
|
|
|
|
/* Select PHY */
|
|
#if 1
|
|
/*
|
|
* XXX: force select internal phy.
|
|
* external phy routines are not tested.
|
|
*/
|
|
UDAV_CFG_CLRBIT(sc, UDAV_NCR, UDAV_NCR_EXT_PHY);
|
|
#else
|
|
if (sc->sc_flags & UDAV_EXT_PHY) {
|
|
UDAV_CFG_SETBIT(sc, UDAV_NCR, UDAV_NCR_EXT_PHY);
|
|
} else {
|
|
UDAV_CFG_CLRBIT(sc, UDAV_NCR, UDAV_NCR_EXT_PHY);
|
|
}
|
|
#endif
|
|
|
|
UDAV_CFG_SETBIT(sc, UDAV_NCR, UDAV_NCR_RST);
|
|
|
|
for (to = 0;; to++) {
|
|
|
|
if (to < 100) {
|
|
|
|
err = usb2_config_td_sleep(&sc->sc_config_td, hz / 100);
|
|
|
|
if (err) {
|
|
break;
|
|
}
|
|
if (!(udav_cfg_csr_read1(sc, UDAV_NCR) & UDAV_NCR_RST)) {
|
|
break;
|
|
}
|
|
} else {
|
|
printf("%s: reset timeout!\n",
|
|
sc->sc_name);
|
|
break;
|
|
}
|
|
}
|
|
|
|
err = usb2_config_td_sleep(&sc->sc_config_td, hz / 100);
|
|
}
|
|
|
|
#define UDAV_BITS 6
|
|
|
|
static void
|
|
udav_mchash(struct usb2_config_td_cc *cc, const uint8_t *ptr)
|
|
{
|
|
uint8_t h;
|
|
|
|
h = ether_crc32_le(ptr, ETHER_ADDR_LEN) &
|
|
((1 << UDAV_BITS) - 1);
|
|
cc->if_hash[h >> 3] |= 1 << (h & 0x7);
|
|
}
|
|
|
|
static void
|
|
udav_config_copy(struct udav_softc *sc,
|
|
struct usb2_config_td_cc *cc, uint16_t refcount)
|
|
{
|
|
bzero(cc, sizeof(*cc));
|
|
usb2_ether_cc(sc->sc_ifp, &udav_mchash, cc);
|
|
}
|
|
|
|
static void
|
|
udav_cfg_promisc_upd(struct udav_softc *sc,
|
|
struct usb2_config_td_cc *cc, uint16_t refcount)
|
|
{
|
|
uint8_t rxmode;
|
|
|
|
rxmode = udav_cfg_csr_read1(sc, UDAV_RCR);
|
|
|
|
rxmode &= ~(UDAV_RCR_ALL | UDAV_RCR_PRMSC);
|
|
|
|
if (cc->if_flags & IFF_PROMISC) {
|
|
|
|
rxmode |= UDAV_RCR_ALL | UDAV_RCR_PRMSC;
|
|
|
|
} else if (cc->if_flags & IFF_ALLMULTI) {
|
|
|
|
rxmode |= UDAV_RCR_ALL;
|
|
}
|
|
/* write hash value to the register */
|
|
udav_cfg_csr_write(sc, UDAV_MAR, cc->if_hash, 8);
|
|
|
|
/* write new mode bits */
|
|
udav_cfg_csr_write1(sc, UDAV_RCR, rxmode);
|
|
}
|
|
|
|
static void
|
|
udav_start_cb(struct ifnet *ifp)
|
|
{
|
|
struct udav_softc *sc = ifp->if_softc;
|
|
|
|
mtx_lock(&sc->sc_mtx);
|
|
|
|
udav_start_transfers(sc);
|
|
|
|
mtx_unlock(&sc->sc_mtx);
|
|
}
|
|
|
|
static void
|
|
udav_start_transfers(struct udav_softc *sc)
|
|
{
|
|
if ((sc->sc_flags & UDAV_FLAG_LL_READY) &&
|
|
(sc->sc_flags & UDAV_FLAG_HL_READY)) {
|
|
|
|
/*
|
|
* start the USB transfers, if not already started:
|
|
*/
|
|
usb2_transfer_start(sc->sc_xfer[UDAV_INTR_DT_RD]);
|
|
usb2_transfer_start(sc->sc_xfer[UDAV_BULK_DT_RD]);
|
|
usb2_transfer_start(sc->sc_xfer[UDAV_BULK_DT_WR]);
|
|
}
|
|
}
|
|
|
|
static void
|
|
udav_bulk_write_clear_stall_callback(struct usb2_xfer *xfer)
|
|
{
|
|
struct udav_softc *sc = xfer->priv_sc;
|
|
struct usb2_xfer *xfer_other = sc->sc_xfer[UDAV_BULK_DT_WR];
|
|
|
|
if (usb2_clear_stall_callback(xfer, xfer_other)) {
|
|
DPRINTF("stall cleared\n");
|
|
sc->sc_flags &= ~UDAV_FLAG_WRITE_STALL;
|
|
usb2_transfer_start(xfer_other);
|
|
}
|
|
}
|
|
|
|
static void
|
|
udav_bulk_write_callback(struct usb2_xfer *xfer)
|
|
{
|
|
struct udav_softc *sc = xfer->priv_sc;
|
|
struct ifnet *ifp = sc->sc_ifp;
|
|
struct mbuf *m;
|
|
uint32_t extra_len;
|
|
uint32_t temp_len;
|
|
uint8_t buf[2];
|
|
|
|
switch (USB_GET_STATE(xfer)) {
|
|
case USB_ST_TRANSFERRED:
|
|
DPRINTFN(11, "transfer complete\n");
|
|
|
|
ifp->if_opackets++;
|
|
|
|
case USB_ST_SETUP:
|
|
|
|
if (sc->sc_flags & UDAV_FLAG_WRITE_STALL) {
|
|
usb2_transfer_start(sc->sc_xfer[UDAV_BULK_CS_WR]);
|
|
goto done;
|
|
}
|
|
if (sc->sc_flags & UDAV_FLAG_WAIT_LINK) {
|
|
/*
|
|
* don't send anything if there is no link !
|
|
*/
|
|
goto done;
|
|
}
|
|
IFQ_DRV_DEQUEUE(&ifp->if_snd, m);
|
|
|
|
if (m == NULL) {
|
|
goto done;
|
|
}
|
|
if (m->m_pkthdr.len > MCLBYTES) {
|
|
m->m_pkthdr.len = MCLBYTES;
|
|
}
|
|
if (m->m_pkthdr.len < UDAV_MIN_FRAME_LEN) {
|
|
extra_len = UDAV_MIN_FRAME_LEN - m->m_pkthdr.len;
|
|
} else {
|
|
extra_len = 0;
|
|
}
|
|
|
|
temp_len = (m->m_pkthdr.len + extra_len);
|
|
|
|
/*
|
|
* the frame length is specified in the first 2 bytes of the
|
|
* buffer
|
|
*/
|
|
buf[0] = (uint8_t)(temp_len);
|
|
buf[1] = (uint8_t)(temp_len >> 8);
|
|
|
|
temp_len += 2;
|
|
|
|
usb2_copy_in(xfer->frbuffers, 0, buf, 2);
|
|
|
|
usb2_m_copy_in(xfer->frbuffers, 2,
|
|
m, 0, m->m_pkthdr.len);
|
|
|
|
if (extra_len) {
|
|
usb2_bzero(xfer->frbuffers, temp_len - extra_len,
|
|
extra_len);
|
|
}
|
|
/*
|
|
* if there's a BPF listener, bounce a copy
|
|
* of this frame to him:
|
|
*/
|
|
BPF_MTAP(ifp, m);
|
|
|
|
m_freem(m);
|
|
|
|
xfer->frlengths[0] = temp_len;
|
|
usb2_start_hardware(xfer);
|
|
|
|
done:
|
|
return;
|
|
|
|
default: /* Error */
|
|
DPRINTFN(11, "transfer error, %s\n",
|
|
usb2_errstr(xfer->error));
|
|
|
|
if (xfer->error != USB_ERR_CANCELLED) {
|
|
/* try to clear stall first */
|
|
sc->sc_flags |= UDAV_FLAG_WRITE_STALL;
|
|
usb2_transfer_start(sc->sc_xfer[UDAV_BULK_CS_WR]);
|
|
}
|
|
ifp->if_oerrors++;
|
|
return;
|
|
|
|
}
|
|
}
|
|
|
|
static void
|
|
udav_bulk_read_clear_stall_callback(struct usb2_xfer *xfer)
|
|
{
|
|
struct udav_softc *sc = xfer->priv_sc;
|
|
struct usb2_xfer *xfer_other = sc->sc_xfer[UDAV_BULK_DT_RD];
|
|
|
|
if (usb2_clear_stall_callback(xfer, xfer_other)) {
|
|
DPRINTF("stall cleared\n");
|
|
sc->sc_flags &= ~UDAV_FLAG_READ_STALL;
|
|
usb2_transfer_start(xfer_other);
|
|
}
|
|
}
|
|
|
|
static void
|
|
udav_bulk_read_callback(struct usb2_xfer *xfer)
|
|
{
|
|
struct udav_softc *sc = xfer->priv_sc;
|
|
struct ifnet *ifp = sc->sc_ifp;
|
|
uint8_t status;
|
|
uint16_t total_len;
|
|
struct mbuf *m = NULL;
|
|
|
|
switch (USB_GET_STATE(xfer)) {
|
|
case USB_ST_TRANSFERRED:
|
|
|
|
if (xfer->actlen < 1) {
|
|
ifp->if_ierrors++;
|
|
goto tr_setup;
|
|
}
|
|
xfer->actlen -= 1;
|
|
|
|
usb2_copy_out(xfer->frbuffers, 0, &status, 1);
|
|
|
|
if (status & UDAV_RSR_LCS) {
|
|
ifp->if_collisions++;
|
|
goto tr_setup;
|
|
}
|
|
if ((status & UDAV_RSR_ERR) || (xfer->actlen < 2)) {
|
|
ifp->if_ierrors++;
|
|
goto tr_setup;
|
|
}
|
|
usb2_copy_out(xfer->frbuffers, 1, &total_len, 2);
|
|
|
|
total_len = le16toh(total_len);
|
|
|
|
xfer->actlen -= 2;
|
|
|
|
xfer->actlen = min(xfer->actlen, total_len);
|
|
|
|
if (xfer->actlen < (sizeof(struct ether_header) + ETHER_CRC_LEN)) {
|
|
ifp->if_ierrors++;
|
|
goto tr_setup;
|
|
}
|
|
xfer->actlen -= ETHER_CRC_LEN;
|
|
|
|
m = usb2_ether_get_mbuf();
|
|
|
|
if (m == NULL) {
|
|
ifp->if_ierrors++;
|
|
goto tr_setup;
|
|
}
|
|
xfer->actlen = min(xfer->actlen, m->m_len);
|
|
|
|
usb2_copy_out(xfer->frbuffers, 3, m->m_data, xfer->actlen);
|
|
|
|
ifp->if_ipackets++;
|
|
m->m_pkthdr.rcvif = ifp;
|
|
m->m_pkthdr.len = m->m_len = xfer->actlen;
|
|
|
|
case USB_ST_SETUP:
|
|
tr_setup:
|
|
|
|
if (sc->sc_flags & UDAV_FLAG_READ_STALL) {
|
|
usb2_transfer_start(sc->sc_xfer[UDAV_BULK_CS_RD]);
|
|
} else {
|
|
xfer->frlengths[0] = xfer->max_data_length;
|
|
usb2_start_hardware(xfer);
|
|
}
|
|
|
|
/*
|
|
* At the end of a USB callback it is always safe to unlock
|
|
* the private mutex of a device! That is why we do the
|
|
* "if_input" here, and not some lines up!
|
|
*/
|
|
if (m) {
|
|
mtx_unlock(&sc->sc_mtx);
|
|
(ifp->if_input) (ifp, m);
|
|
mtx_lock(&sc->sc_mtx);
|
|
}
|
|
return;
|
|
|
|
default: /* Error */
|
|
if (xfer->error != USB_ERR_CANCELLED) {
|
|
/* try to clear stall first */
|
|
sc->sc_flags |= UDAV_FLAG_READ_STALL;
|
|
usb2_transfer_start(sc->sc_xfer[UDAV_BULK_CS_RD]);
|
|
}
|
|
DPRINTF("bulk read error, %s\n",
|
|
usb2_errstr(xfer->error));
|
|
return;
|
|
|
|
}
|
|
}
|
|
|
|
static void
|
|
udav_intr_clear_stall_callback(struct usb2_xfer *xfer)
|
|
{
|
|
struct udav_softc *sc = xfer->priv_sc;
|
|
struct usb2_xfer *xfer_other = sc->sc_xfer[UDAV_INTR_DT_RD];
|
|
|
|
if (usb2_clear_stall_callback(xfer, xfer_other)) {
|
|
DPRINTF("stall cleared\n");
|
|
sc->sc_flags &= ~UDAV_FLAG_INTR_STALL;
|
|
usb2_transfer_start(xfer_other);
|
|
}
|
|
}
|
|
|
|
static void
|
|
udav_intr_callback(struct usb2_xfer *xfer)
|
|
{
|
|
struct udav_softc *sc = xfer->priv_sc;
|
|
|
|
switch (USB_GET_STATE(xfer)) {
|
|
case USB_ST_TRANSFERRED:
|
|
|
|
case USB_ST_SETUP:
|
|
if (sc->sc_flags & UDAV_FLAG_INTR_STALL) {
|
|
usb2_transfer_start(sc->sc_xfer[UDAV_INTR_CS_RD]);
|
|
} else {
|
|
xfer->frlengths[0] = xfer->max_data_length;
|
|
usb2_start_hardware(xfer);
|
|
}
|
|
return;
|
|
|
|
default: /* Error */
|
|
if (xfer->error != USB_ERR_CANCELLED) {
|
|
/* start clear stall */
|
|
sc->sc_flags |= UDAV_FLAG_INTR_STALL;
|
|
usb2_transfer_start(sc->sc_xfer[UDAV_INTR_CS_RD]);
|
|
}
|
|
return;
|
|
}
|
|
}
|
|
|
|
static int
|
|
udav_ioctl_cb(struct ifnet *ifp, u_long cmd, caddr_t data)
|
|
{
|
|
struct udav_softc *sc = ifp->if_softc;
|
|
struct mii_data *mii;
|
|
int error = 0;
|
|
|
|
switch (cmd) {
|
|
case SIOCSIFFLAGS:
|
|
mtx_lock(&sc->sc_mtx);
|
|
if (ifp->if_flags & IFF_UP) {
|
|
if (ifp->if_drv_flags & IFF_DRV_RUNNING) {
|
|
usb2_config_td_queue_command
|
|
(&sc->sc_config_td, &udav_config_copy,
|
|
&udav_cfg_promisc_upd, 0, 0);
|
|
} else {
|
|
usb2_config_td_queue_command
|
|
(&sc->sc_config_td, &udav_cfg_pre_init,
|
|
&udav_cfg_init, 0, 0);
|
|
}
|
|
} else {
|
|
if (ifp->if_drv_flags & IFF_DRV_RUNNING) {
|
|
usb2_config_td_queue_command
|
|
(&sc->sc_config_td, &udav_cfg_pre_stop,
|
|
&udav_cfg_stop, 0, 0);
|
|
}
|
|
}
|
|
mtx_unlock(&sc->sc_mtx);
|
|
break;
|
|
|
|
case SIOCADDMULTI:
|
|
case SIOCDELMULTI:
|
|
mtx_lock(&sc->sc_mtx);
|
|
usb2_config_td_queue_command
|
|
(&sc->sc_config_td, &udav_config_copy,
|
|
&udav_cfg_promisc_upd, 0, 0);
|
|
mtx_unlock(&sc->sc_mtx);
|
|
break;
|
|
|
|
case SIOCGIFMEDIA:
|
|
case SIOCSIFMEDIA:
|
|
mii = GET_MII(sc);
|
|
if (mii == NULL) {
|
|
error = EINVAL;
|
|
} else {
|
|
error = ifmedia_ioctl
|
|
(ifp, (void *)data, &mii->mii_media, cmd);
|
|
}
|
|
break;
|
|
|
|
default:
|
|
error = ether_ioctl(ifp, cmd, data);
|
|
break;
|
|
}
|
|
return (error);
|
|
}
|
|
|
|
static void
|
|
udav_watchdog(void *arg)
|
|
{
|
|
struct udav_softc *sc = arg;
|
|
|
|
mtx_assert(&sc->sc_mtx, MA_OWNED);
|
|
|
|
usb2_config_td_queue_command
|
|
(&sc->sc_config_td, NULL, &udav_cfg_tick, 0, 0);
|
|
|
|
usb2_callout_reset(&sc->sc_watchdog,
|
|
hz, &udav_watchdog, sc);
|
|
}
|
|
|
|
/*
|
|
* NOTE: can be called when "ifp" is NULL
|
|
*/
|
|
static void
|
|
udav_cfg_pre_stop(struct udav_softc *sc,
|
|
struct usb2_config_td_cc *cc, uint16_t refcount)
|
|
{
|
|
struct ifnet *ifp = sc->sc_ifp;
|
|
|
|
if (cc) {
|
|
/* copy the needed configuration */
|
|
udav_config_copy(sc, cc, refcount);
|
|
}
|
|
/* immediate configuration */
|
|
|
|
if (ifp) {
|
|
/* clear flags */
|
|
ifp->if_drv_flags &= ~IFF_DRV_RUNNING;
|
|
}
|
|
sc->sc_flags &= ~(UDAV_FLAG_HL_READY |
|
|
UDAV_FLAG_LL_READY);
|
|
|
|
sc->sc_flags |= UDAV_FLAG_WAIT_LINK;
|
|
|
|
/*
|
|
* stop all the transfers, if not already stopped:
|
|
*/
|
|
usb2_transfer_stop(sc->sc_xfer[UDAV_BULK_DT_WR]);
|
|
usb2_transfer_stop(sc->sc_xfer[UDAV_BULK_DT_RD]);
|
|
usb2_transfer_stop(sc->sc_xfer[UDAV_BULK_CS_WR]);
|
|
usb2_transfer_stop(sc->sc_xfer[UDAV_BULK_CS_RD]);
|
|
usb2_transfer_stop(sc->sc_xfer[UDAV_INTR_DT_RD]);
|
|
usb2_transfer_stop(sc->sc_xfer[UDAV_INTR_CS_RD]);
|
|
}
|
|
|
|
/*
|
|
* NOTE: can be called when "ifp" is NULL
|
|
*/
|
|
static void
|
|
udav_cfg_stop(struct udav_softc *sc,
|
|
struct usb2_config_td_cc *cc, uint16_t refcount)
|
|
{
|
|
udav_cfg_reset(sc);
|
|
}
|
|
|
|
static int
|
|
udav_ifmedia_change_cb(struct ifnet *ifp)
|
|
{
|
|
struct udav_softc *sc = ifp->if_softc;
|
|
|
|
mtx_lock(&sc->sc_mtx);
|
|
usb2_config_td_queue_command
|
|
(&sc->sc_config_td, NULL,
|
|
&udav_cfg_ifmedia_change, 0, 0);
|
|
mtx_unlock(&sc->sc_mtx);
|
|
|
|
return (0);
|
|
}
|
|
|
|
static void
|
|
udav_cfg_ifmedia_change(struct udav_softc *sc,
|
|
struct usb2_config_td_cc *cc, uint16_t refcount)
|
|
{
|
|
struct ifnet *ifp = sc->sc_ifp;
|
|
struct mii_data *mii = GET_MII(sc);
|
|
|
|
if ((ifp == NULL) ||
|
|
(mii == NULL)) {
|
|
/* not ready */
|
|
return;
|
|
}
|
|
sc->sc_flags |= UDAV_FLAG_WAIT_LINK;
|
|
|
|
if (mii->mii_instance) {
|
|
struct mii_softc *miisc;
|
|
|
|
LIST_FOREACH(miisc, &mii->mii_phys, mii_list) {
|
|
mii_phy_reset(miisc);
|
|
}
|
|
}
|
|
mii_mediachg(mii);
|
|
}
|
|
|
|
static void
|
|
udav_ifmedia_status_cb(struct ifnet *ifp, struct ifmediareq *ifmr)
|
|
{
|
|
struct udav_softc *sc = ifp->if_softc;
|
|
|
|
mtx_lock(&sc->sc_mtx);
|
|
|
|
if (ifp->if_drv_flags & IFF_DRV_RUNNING) {
|
|
ifmr->ifm_active = sc->sc_media_active;
|
|
ifmr->ifm_status = sc->sc_media_status;
|
|
} else {
|
|
ifmr->ifm_active = IFM_ETHER | IFM_NONE;
|
|
ifmr->ifm_status = 0;
|
|
}
|
|
|
|
mtx_unlock(&sc->sc_mtx);
|
|
}
|
|
|
|
static void
|
|
udav_cfg_tick(struct udav_softc *sc,
|
|
struct usb2_config_td_cc *cc, uint16_t refcount)
|
|
{
|
|
struct ifnet *ifp = sc->sc_ifp;
|
|
struct mii_data *mii = GET_MII(sc);
|
|
|
|
if ((ifp == NULL) ||
|
|
(mii == NULL)) {
|
|
/* not ready */
|
|
return;
|
|
}
|
|
mii_tick(mii);
|
|
|
|
mii_pollstat(mii);
|
|
|
|
if ((sc->sc_flags & UDAV_FLAG_WAIT_LINK) &&
|
|
(mii->mii_media_status & IFM_ACTIVE) &&
|
|
(IFM_SUBTYPE(mii->mii_media_active) != IFM_NONE)) {
|
|
sc->sc_flags &= ~UDAV_FLAG_WAIT_LINK;
|
|
}
|
|
sc->sc_media_active = mii->mii_media_active;
|
|
sc->sc_media_status = mii->mii_media_status;
|
|
|
|
/* start stopped transfers, if any */
|
|
|
|
udav_start_transfers(sc);
|
|
}
|
|
|
|
static int
|
|
udav_cfg_miibus_readreg(device_t dev, int phy, int reg)
|
|
{
|
|
struct udav_softc *sc = device_get_softc(dev);
|
|
uint16_t data16;
|
|
uint8_t val[2];
|
|
uint8_t do_unlock;
|
|
|
|
/* XXX: one PHY only for the internal PHY */
|
|
if (phy != 0) {
|
|
return (0);
|
|
}
|
|
/* avoid recursive locking */
|
|
if (mtx_owned(&sc->sc_mtx)) {
|
|
do_unlock = 0;
|
|
} else {
|
|
mtx_lock(&sc->sc_mtx);
|
|
do_unlock = 1;
|
|
}
|
|
|
|
/* select internal PHY and set PHY register address */
|
|
udav_cfg_csr_write1(sc, UDAV_EPAR,
|
|
UDAV_EPAR_PHY_ADR0 | (reg & UDAV_EPAR_EROA_MASK));
|
|
|
|
/* select PHY operation and start read command */
|
|
udav_cfg_csr_write1(sc, UDAV_EPCR, UDAV_EPCR_EPOS | UDAV_EPCR_ERPRR);
|
|
|
|
/* XXX: should we wait? */
|
|
|
|
/* end read command */
|
|
UDAV_CFG_CLRBIT(sc, UDAV_EPCR, UDAV_EPCR_ERPRR);
|
|
|
|
/* retrieve the result from data registers */
|
|
udav_cfg_csr_read(sc, UDAV_EPDRL, val, 2);
|
|
|
|
if (do_unlock) {
|
|
mtx_unlock(&sc->sc_mtx);
|
|
}
|
|
data16 = (val[0] | (val[1] << 8));
|
|
|
|
DPRINTFN(11, "phy=%d reg=0x%04x => 0x%04x\n",
|
|
phy, reg, data16);
|
|
|
|
return (data16);
|
|
}
|
|
|
|
static int
|
|
udav_cfg_miibus_writereg(device_t dev, int phy, int reg, int data)
|
|
{
|
|
struct udav_softc *sc = device_get_softc(dev);
|
|
uint8_t val[2];
|
|
uint8_t do_unlock;
|
|
|
|
/* XXX: one PHY only for the internal PHY */
|
|
if (phy != 0) {
|
|
return (0);
|
|
}
|
|
/* avoid recursive locking */
|
|
if (mtx_owned(&sc->sc_mtx)) {
|
|
do_unlock = 0;
|
|
} else {
|
|
mtx_lock(&sc->sc_mtx);
|
|
do_unlock = 1;
|
|
}
|
|
|
|
/* select internal PHY and set PHY register address */
|
|
udav_cfg_csr_write1(sc, UDAV_EPAR,
|
|
UDAV_EPAR_PHY_ADR0 | (reg & UDAV_EPAR_EROA_MASK));
|
|
|
|
/* put the value to the data registers */
|
|
val[0] = (data & 0xff);
|
|
val[1] = (data >> 8) & 0xff;
|
|
udav_cfg_csr_write(sc, UDAV_EPDRL, val, 2);
|
|
|
|
/* select PHY operation and start write command */
|
|
udav_cfg_csr_write1(sc, UDAV_EPCR, UDAV_EPCR_EPOS | UDAV_EPCR_ERPRW);
|
|
|
|
/* XXX: should we wait? */
|
|
|
|
/* end write command */
|
|
UDAV_CFG_CLRBIT(sc, UDAV_EPCR, UDAV_EPCR_ERPRW);
|
|
|
|
if (do_unlock) {
|
|
mtx_unlock(&sc->sc_mtx);
|
|
}
|
|
return (0);
|
|
}
|
|
|
|
static void
|
|
udav_cfg_miibus_statchg(device_t dev)
|
|
{
|
|
/* nothing to do */
|
|
}
|
|
|
|
/*
|
|
* Stop all chip I/O so that the kernel's probe routines don't
|
|
* get confused by errant DMAs when rebooting.
|
|
*/
|
|
static int
|
|
udav_shutdown(device_t dev)
|
|
{
|
|
struct udav_softc *sc = device_get_softc(dev);
|
|
|
|
mtx_lock(&sc->sc_mtx);
|
|
|
|
usb2_config_td_queue_command
|
|
(&sc->sc_config_td, &udav_cfg_pre_stop,
|
|
&udav_cfg_stop, 0, 0);
|
|
|
|
mtx_unlock(&sc->sc_mtx);
|
|
|
|
return (0);
|
|
}
|