if_udav.c revision 196219
1238104Sdes/* $NetBSD: if_udav.c,v 1.2 2003/09/04 15:17:38 tsutsui Exp $ */ 2238104Sdes/* $nabe: if_udav.c,v 1.3 2003/08/21 16:57:19 nabe Exp $ */ 3238104Sdes/* $FreeBSD: head/sys/dev/usb/net/if_udav.c 196219 2009-08-14 20:03:53Z jhb $ */ 4238104Sdes/*- 5238104Sdes * Copyright (c) 2003 6238104Sdes * Shingo WATANABE <nabe@nabechan.org>. All rights reserved. 7238104Sdes * 8238104Sdes * Redistribution and use in source and binary forms, with or without 9238104Sdes * modification, are permitted provided that the following conditions 10238104Sdes * are met: 11238104Sdes * 1. Redistributions of source code must retain the above copyright 12238104Sdes * notice, this list of conditions and the following disclaimer. 13238104Sdes * 2. Redistributions in binary form must reproduce the above copyright 14238104Sdes * notice, this list of conditions and the following disclaimer in the 15238104Sdes * documentation and/or other materials provided with the distribution. 16238104Sdes * 3. Neither the name of the author nor the names of any co-contributors 17238104Sdes * may be used to endorse or promote products derived from this software 18238104Sdes * without specific prior written permission. 19238104Sdes * 20238104Sdes * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 21238104Sdes * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 22238104Sdes * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 23238104Sdes * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 24238104Sdes * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 25238104Sdes * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 26246854Sdes * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 27238104Sdes * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 28238104Sdes * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 29238104Sdes * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 30238104Sdes * SUCH DAMAGE. 31238104Sdes * 32238104Sdes */ 33238104Sdes 34238104Sdes/* 35238104Sdes * DM9601(DAVICOM USB to Ethernet MAC Controller with Integrated 10/100 PHY) 36238104Sdes * The spec can be found at the following url. 37238104Sdes * http://www.davicom.com.tw/big5/download/Data%20Sheet/DM9601-DS-P01-930914.pdf 38238104Sdes */ 39238104Sdes 40238104Sdes/* 41238104Sdes * TODO: 42238104Sdes * Interrupt Endpoint support 43238104Sdes * External PHYs 44238104Sdes */ 45246854Sdes 46238104Sdes#include <sys/cdefs.h> 47238104Sdes__FBSDID("$FreeBSD: head/sys/dev/usb/net/if_udav.c 196219 2009-08-14 20:03:53Z jhb $"); 48238104Sdes 49238104Sdes#include <sys/stdint.h> 50238104Sdes#include <sys/stddef.h> 51238104Sdes#include <sys/param.h> 52238104Sdes#include <sys/queue.h> 53238104Sdes#include <sys/types.h> 54238104Sdes#include <sys/systm.h> 55238104Sdes#include <sys/kernel.h> 56238104Sdes#include <sys/bus.h> 57238104Sdes#include <sys/linker_set.h> 58238104Sdes#include <sys/module.h> 59238104Sdes#include <sys/lock.h> 60238104Sdes#include <sys/mutex.h> 61238104Sdes#include <sys/condvar.h> 62238104Sdes#include <sys/sysctl.h> 63238104Sdes#include <sys/sx.h> 64238104Sdes#include <sys/unistd.h> 65246854Sdes#include <sys/callout.h> 66238104Sdes#include <sys/malloc.h> 67238104Sdes#include <sys/priv.h> 68238104Sdes 69238104Sdes#include <dev/usb/usb.h> 70246854Sdes#include <dev/usb/usbdi.h> 71238104Sdes#include <dev/usb/usbdi_util.h> 72238104Sdes#include "usbdevs.h" 73238104Sdes 74238104Sdes#define USB_DEBUG_VAR udav_debug 75238104Sdes#include <dev/usb/usb_debug.h> 76238104Sdes#include <dev/usb/usb_process.h> 77238104Sdes 78246854Sdes#include <dev/usb/net/usb_ethernet.h> 79238104Sdes#include <dev/usb/net/if_udavreg.h> 80246854Sdes 81246854Sdes/* prototypes */ 82238104Sdes 83238104Sdesstatic device_probe_t udav_probe; 84238104Sdesstatic device_attach_t udav_attach; 85238104Sdesstatic device_detach_t udav_detach; 86246854Sdes 87246854Sdesstatic usb_callback_t udav_bulk_write_callback; 88238104Sdesstatic usb_callback_t udav_bulk_read_callback; 89238104Sdesstatic usb_callback_t udav_intr_callback; 90238104Sdes 91238104Sdesstatic uether_fn_t udav_attach_post; 92238104Sdesstatic uether_fn_t udav_init; 93238104Sdesstatic uether_fn_t udav_stop; 94238104Sdesstatic uether_fn_t udav_start; 95238104Sdesstatic uether_fn_t udav_tick; 96238104Sdesstatic uether_fn_t udav_setmulti; 97238104Sdesstatic uether_fn_t udav_setpromisc; 98238104Sdes 99238104Sdesstatic int udav_csr_read(struct udav_softc *, uint16_t, void *, int); 100238104Sdesstatic int udav_csr_write(struct udav_softc *, uint16_t, void *, int); 101238104Sdesstatic uint8_t udav_csr_read1(struct udav_softc *, uint16_t); 102238104Sdesstatic int udav_csr_write1(struct udav_softc *, uint16_t, uint8_t); 103238104Sdesstatic void udav_reset(struct udav_softc *); 104238104Sdesstatic int udav_ifmedia_upd(struct ifnet *); 105238104Sdesstatic void udav_ifmedia_status(struct ifnet *, struct ifmediareq *); 106238104Sdes 107238104Sdesstatic miibus_readreg_t udav_miibus_readreg; 108238104Sdesstatic miibus_writereg_t udav_miibus_writereg; 109238104Sdesstatic miibus_statchg_t udav_miibus_statchg; 110238104Sdes 111238104Sdesstatic const struct usb_config udav_config[UDAV_N_TRANSFER] = { 112238104Sdes 113238104Sdes [UDAV_BULK_DT_WR] = { 114238104Sdes .type = UE_BULK, 115238104Sdes .endpoint = UE_ADDR_ANY, 116238104Sdes .direction = UE_DIR_OUT, 117238104Sdes .bufsize = (MCLBYTES + 2), 118238104Sdes .flags = {.pipe_bof = 1,.force_short_xfer = 1,}, 119238104Sdes .callback = udav_bulk_write_callback, 120238104Sdes .timeout = 10000, /* 10 seconds */ 121238104Sdes }, 122238104Sdes 123238104Sdes [UDAV_BULK_DT_RD] = { 124238104Sdes .type = UE_BULK, 125238104Sdes .endpoint = UE_ADDR_ANY, 126238104Sdes .direction = UE_DIR_IN, 127238104Sdes .bufsize = (MCLBYTES + 3), 128238104Sdes .flags = {.pipe_bof = 1,.short_xfer_ok = 1,}, 129238104Sdes .callback = udav_bulk_read_callback, 130238104Sdes .timeout = 0, /* no timeout */ 131238104Sdes }, 132238104Sdes 133238104Sdes [UDAV_INTR_DT_RD] = { 134238104Sdes .type = UE_INTERRUPT, 135238104Sdes .endpoint = UE_ADDR_ANY, 136238104Sdes .direction = UE_DIR_IN, 137238104Sdes .flags = {.pipe_bof = 1,.short_xfer_ok = 1,}, 138238104Sdes .bufsize = 0, /* use wMaxPacketSize */ 139238104Sdes .callback = udav_intr_callback, 140238104Sdes }, 141238104Sdes}; 142238104Sdes 143238104Sdesstatic device_method_t udav_methods[] = { 144238104Sdes /* Device interface */ 145238104Sdes DEVMETHOD(device_probe, udav_probe), 146238104Sdes DEVMETHOD(device_attach, udav_attach), 147246854Sdes DEVMETHOD(device_detach, udav_detach), 148238104Sdes 149238104Sdes /* bus interface */ 150238104Sdes DEVMETHOD(bus_print_child, bus_generic_print_child), 151238104Sdes DEVMETHOD(bus_driver_added, bus_generic_driver_added), 152238104Sdes 153238104Sdes /* MII interface */ 154238104Sdes DEVMETHOD(miibus_readreg, udav_miibus_readreg), 155238104Sdes DEVMETHOD(miibus_writereg, udav_miibus_writereg), 156238104Sdes DEVMETHOD(miibus_statchg, udav_miibus_statchg), 157246854Sdes 158238104Sdes {0, 0} 159238104Sdes}; 160238104Sdes 161238104Sdesstatic driver_t udav_driver = { 162238104Sdes .name = "udav", 163238104Sdes .methods = udav_methods, 164238104Sdes .size = sizeof(struct udav_softc), 165238104Sdes}; 166238104Sdes 167238104Sdesstatic devclass_t udav_devclass; 168238104Sdes 169238104SdesDRIVER_MODULE(udav, uhub, udav_driver, udav_devclass, NULL, 0); 170238104SdesDRIVER_MODULE(miibus, udav, miibus_driver, miibus_devclass, 0, 0); 171238104SdesMODULE_DEPEND(udav, uether, 1, 1, 1); 172238104SdesMODULE_DEPEND(udav, usb, 1, 1, 1); 173238104SdesMODULE_DEPEND(udav, ether, 1, 1, 1); 174238104SdesMODULE_DEPEND(udav, miibus, 1, 1, 1); 175238104Sdes 176246854Sdesstatic const struct usb_ether_methods udav_ue_methods = { 177246854Sdes .ue_attach_post = udav_attach_post, 178246854Sdes .ue_start = udav_start, 179246854Sdes .ue_init = udav_init, 180238104Sdes .ue_stop = udav_stop, 181238104Sdes .ue_tick = udav_tick, 182238104Sdes .ue_setmulti = udav_setmulti, 183246854Sdes .ue_setpromisc = udav_setpromisc, 184238104Sdes .ue_mii_upd = udav_ifmedia_upd, 185238104Sdes .ue_mii_sts = udav_ifmedia_status, 186238104Sdes}; 187246854Sdes 188238104Sdes#if USB_DEBUG 189246854Sdesstatic int udav_debug = 0; 190246854Sdes 191246854SdesSYSCTL_NODE(_hw_usb, OID_AUTO, udav, CTLFLAG_RW, 0, "USB udav"); 192246854SdesSYSCTL_INT(_hw_usb_udav, OID_AUTO, debug, CTLFLAG_RW, &udav_debug, 0, 193238104Sdes "Debug level"); 194238104Sdes#endif 195238104Sdes 196238104Sdes#define UDAV_SETBIT(sc, reg, x) \ 197238104Sdes udav_csr_write1(sc, reg, udav_csr_read1(sc, reg) | (x)) 198238104Sdes 199238104Sdes#define UDAV_CLRBIT(sc, reg, x) \ 200238104Sdes udav_csr_write1(sc, reg, udav_csr_read1(sc, reg) & ~(x)) 201238104Sdes 202238104Sdesstatic const struct usb_device_id udav_devs[] = { 203238104Sdes /* ShanTou DM9601 USB NIC */ 204246854Sdes {USB_VPI(USB_VENDOR_SHANTOU, USB_PRODUCT_SHANTOU_DM9601, 0)}, 205238104Sdes /* ShanTou ST268 USB NIC */ 206238104Sdes {USB_VPI(USB_VENDOR_SHANTOU, USB_PRODUCT_SHANTOU_ST268, 0)}, 207238104Sdes /* Corega USB-TXC */ 208238104Sdes {USB_VPI(USB_VENDOR_COREGA, USB_PRODUCT_COREGA_FETHER_USB_TXC, 0)}, 209238104Sdes}; 210238104Sdes 211238104Sdesstatic void 212238104Sdesudav_attach_post(struct usb_ether *ue) 213238104Sdes{ 214238104Sdes struct udav_softc *sc = uether_getsc(ue); 215246854Sdes 216238104Sdes /* reset the adapter */ 217238104Sdes udav_reset(sc); 218238104Sdes 219238104Sdes /* Get Ethernet Address */ 220238104Sdes udav_csr_read(sc, UDAV_PAR, ue->ue_eaddr, ETHER_ADDR_LEN); 221238104Sdes} 222238104Sdes 223238104Sdesstatic int 224238104Sdesudav_probe(device_t dev) 225238104Sdes{ 226238104Sdes struct usb_attach_arg *uaa = device_get_ivars(dev); 227238104Sdes 228238104Sdes if (uaa->usb_mode != USB_MODE_HOST) 229238104Sdes return (ENXIO); 230238104Sdes if (uaa->info.bConfigIndex != UDAV_CONFIG_INDEX) 231238104Sdes return (ENXIO); 232238104Sdes if (uaa->info.bIfaceIndex != UDAV_IFACE_INDEX) 233238104Sdes return (ENXIO); 234238104Sdes 235238104Sdes return (usbd_lookup_id_by_uaa(udav_devs, sizeof(udav_devs), uaa)); 236238104Sdes} 237238104Sdes 238238104Sdesstatic int 239238104Sdesudav_attach(device_t dev) 240238104Sdes{ 241238104Sdes struct usb_attach_arg *uaa = device_get_ivars(dev); 242238104Sdes struct udav_softc *sc = device_get_softc(dev); 243238104Sdes struct usb_ether *ue = &sc->sc_ue; 244238104Sdes uint8_t iface_index; 245246854Sdes int error; 246238104Sdes 247238104Sdes sc->sc_flags = USB_GET_DRIVER_INFO(uaa); 248246854Sdes 249238104Sdes device_set_usb_desc(dev); 250238104Sdes 251238104Sdes mtx_init(&sc->sc_mtx, device_get_nameunit(dev), NULL, MTX_DEF); 252238104Sdes 253238104Sdes iface_index = UDAV_IFACE_INDEX; 254238104Sdes error = usbd_transfer_setup(uaa->device, &iface_index, 255238104Sdes sc->sc_xfer, udav_config, UDAV_N_TRANSFER, sc, &sc->sc_mtx); 256238104Sdes if (error) { 257238104Sdes device_printf(dev, "allocating USB transfers failed!\n"); 258238104Sdes goto detach; 259238104Sdes } 260238104Sdes 261238104Sdes ue->ue_sc = sc; 262238104Sdes ue->ue_dev = dev; 263238104Sdes ue->ue_udev = uaa->device; 264238104Sdes ue->ue_mtx = &sc->sc_mtx; 265238104Sdes ue->ue_methods = &udav_ue_methods; 266238104Sdes 267238104Sdes error = uether_ifattach(ue); 268238104Sdes if (error) { 269238104Sdes device_printf(dev, "could not attach interface\n"); 270238104Sdes goto detach; 271238104Sdes } 272238104Sdes 273238104Sdes return (0); /* success */ 274238104Sdes 275238104Sdesdetach: 276238104Sdes udav_detach(dev); 277238104Sdes return (ENXIO); /* failure */ 278238104Sdes} 279238104Sdes 280238104Sdesstatic int 281238104Sdesudav_detach(device_t dev) 282238104Sdes{ 283238104Sdes struct udav_softc *sc = device_get_softc(dev); 284238104Sdes struct usb_ether *ue = &sc->sc_ue; 285238104Sdes 286238104Sdes usbd_transfer_unsetup(sc->sc_xfer, UDAV_N_TRANSFER); 287238104Sdes uether_ifdetach(ue); 288238104Sdes mtx_destroy(&sc->sc_mtx); 289238104Sdes 290238104Sdes return (0); 291238104Sdes} 292238104Sdes 293238104Sdes#if 0 294238104Sdesstatic int 295238104Sdesudav_mem_read(struct udav_softc *sc, uint16_t offset, void *buf, 296238104Sdes int len) 297238104Sdes{ 298238104Sdes struct usb_device_request req; 299238104Sdes 300238104Sdes len &= 0xff; 301238104Sdes 302238104Sdes req.bmRequestType = UT_READ_VENDOR_DEVICE; 303238104Sdes req.bRequest = UDAV_REQ_MEM_READ; 304238104Sdes USETW(req.wValue, 0x0000); 305238104Sdes USETW(req.wIndex, offset); 306238104Sdes USETW(req.wLength, len); 307238104Sdes 308238104Sdes return (uether_do_request(&sc->sc_ue, &req, buf, 1000)); 309238104Sdes} 310238104Sdes 311238104Sdesstatic int 312238104Sdesudav_mem_write(struct udav_softc *sc, uint16_t offset, void *buf, 313238104Sdes int len) 314238104Sdes{ 315238104Sdes struct usb_device_request req; 316238104Sdes 317238104Sdes len &= 0xff; 318238104Sdes 319238104Sdes req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 320238104Sdes req.bRequest = UDAV_REQ_MEM_WRITE; 321238104Sdes USETW(req.wValue, 0x0000); 322238104Sdes USETW(req.wIndex, offset); 323238104Sdes USETW(req.wLength, len); 324238104Sdes 325238104Sdes return (uether_do_request(&sc->sc_ue, &req, buf, 1000)); 326238104Sdes} 327238104Sdes 328238104Sdesstatic int 329238104Sdesudav_mem_write1(struct udav_softc *sc, uint16_t offset, 330238104Sdes uint8_t ch) 331238104Sdes{ 332238104Sdes struct usb_device_request req; 333238104Sdes 334238104Sdes req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 335238104Sdes req.bRequest = UDAV_REQ_MEM_WRITE1; 336238104Sdes USETW(req.wValue, ch); 337238104Sdes USETW(req.wIndex, offset); 338238104Sdes USETW(req.wLength, 0x0000); 339246854Sdes 340238104Sdes return (uether_do_request(&sc->sc_ue, &req, NULL, 1000)); 341238104Sdes} 342238104Sdes#endif 343238104Sdes 344238104Sdesstatic int 345238104Sdesudav_csr_read(struct udav_softc *sc, uint16_t offset, void *buf, int len) 346238104Sdes{ 347238104Sdes struct usb_device_request req; 348238104Sdes 349238104Sdes len &= 0xff; 350238104Sdes 351238104Sdes req.bmRequestType = UT_READ_VENDOR_DEVICE; 352238104Sdes req.bRequest = UDAV_REQ_REG_READ; 353238104Sdes USETW(req.wValue, 0x0000); 354238104Sdes USETW(req.wIndex, offset); 355238104Sdes USETW(req.wLength, len); 356238104Sdes 357238104Sdes return (uether_do_request(&sc->sc_ue, &req, buf, 1000)); 358238104Sdes} 359238104Sdes 360238104Sdesstatic int 361238104Sdesudav_csr_write(struct udav_softc *sc, uint16_t offset, void *buf, int len) 362238104Sdes{ 363238104Sdes struct usb_device_request req; 364238104Sdes 365238104Sdes offset &= 0xff; 366238104Sdes len &= 0xff; 367238104Sdes 368238104Sdes req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 369238104Sdes req.bRequest = UDAV_REQ_REG_WRITE; 370238104Sdes USETW(req.wValue, 0x0000); 371238104Sdes USETW(req.wIndex, offset); 372246854Sdes USETW(req.wLength, len); 373246854Sdes 374238104Sdes return (uether_do_request(&sc->sc_ue, &req, buf, 1000)); 375238104Sdes} 376238104Sdes 377238104Sdesstatic uint8_t 378238104Sdesudav_csr_read1(struct udav_softc *sc, uint16_t offset) 379238104Sdes{ 380238104Sdes uint8_t val; 381238104Sdes 382238104Sdes udav_csr_read(sc, offset, &val, 1); 383238104Sdes return (val); 384238104Sdes} 385238104Sdes 386238104Sdesstatic int 387238104Sdesudav_csr_write1(struct udav_softc *sc, uint16_t offset, 388238104Sdes uint8_t ch) 389238104Sdes{ 390238104Sdes struct usb_device_request req; 391238104Sdes 392238104Sdes offset &= 0xff; 393238104Sdes 394238104Sdes req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 395238104Sdes req.bRequest = UDAV_REQ_REG_WRITE1; 396238104Sdes USETW(req.wValue, ch); 397238104Sdes USETW(req.wIndex, offset); 398238104Sdes USETW(req.wLength, 0x0000); 399238104Sdes 400238104Sdes return (uether_do_request(&sc->sc_ue, &req, NULL, 1000)); 401238104Sdes} 402238104Sdes 403238104Sdesstatic void 404238104Sdesudav_init(struct usb_ether *ue) 405238104Sdes{ 406238104Sdes struct udav_softc *sc = ue->ue_sc; 407238104Sdes struct ifnet *ifp = uether_getifp(&sc->sc_ue); 408238104Sdes 409238104Sdes UDAV_LOCK_ASSERT(sc, MA_OWNED); 410238104Sdes 411238104Sdes /* 412238104Sdes * Cancel pending I/O 413238104Sdes */ 414238104Sdes udav_stop(ue); 415238104Sdes 416238104Sdes /* set MAC address */ 417238104Sdes udav_csr_write(sc, UDAV_PAR, IF_LLADDR(ifp), ETHER_ADDR_LEN); 418238104Sdes 419238104Sdes /* initialize network control register */ 420238104Sdes 421238104Sdes /* disable loopback */ 422238104Sdes UDAV_CLRBIT(sc, UDAV_NCR, UDAV_NCR_LBK0 | UDAV_NCR_LBK1); 423238104Sdes 424238104Sdes /* Initialize RX control register */ 425238104Sdes UDAV_SETBIT(sc, UDAV_RCR, UDAV_RCR_DIS_LONG | UDAV_RCR_DIS_CRC); 426238104Sdes 427238104Sdes /* load multicast filter and update promiscious mode bit */ 428238104Sdes udav_setpromisc(ue); 429238104Sdes 430238104Sdes /* enable RX */ 431238104Sdes UDAV_SETBIT(sc, UDAV_RCR, UDAV_RCR_RXEN); 432238104Sdes 433238104Sdes /* clear POWER_DOWN state of internal PHY */ 434238104Sdes UDAV_SETBIT(sc, UDAV_GPCR, UDAV_GPCR_GEP_CNTL0); 435238104Sdes UDAV_CLRBIT(sc, UDAV_GPR, UDAV_GPR_GEPIO0); 436238104Sdes 437238104Sdes usbd_xfer_set_stall(sc->sc_xfer[UDAV_BULK_DT_WR]); 438238104Sdes 439238104Sdes ifp->if_drv_flags |= IFF_DRV_RUNNING; 440238104Sdes udav_start(ue); 441238104Sdes} 442238104Sdes 443238104Sdesstatic void 444238104Sdesudav_reset(struct udav_softc *sc) 445238104Sdes{ 446238104Sdes int i; 447238104Sdes 448238104Sdes /* Select PHY */ 449238104Sdes#if 1 450238104Sdes /* 451238104Sdes * XXX: force select internal phy. 452238104Sdes * external phy routines are not tested. 453238104Sdes */ 454238104Sdes UDAV_CLRBIT(sc, UDAV_NCR, UDAV_NCR_EXT_PHY); 455238104Sdes#else 456238104Sdes if (sc->sc_flags & UDAV_EXT_PHY) 457238104Sdes UDAV_SETBIT(sc, UDAV_NCR, UDAV_NCR_EXT_PHY); 458238104Sdes else 459246854Sdes UDAV_CLRBIT(sc, UDAV_NCR, UDAV_NCR_EXT_PHY); 460238104Sdes#endif 461238104Sdes 462238104Sdes UDAV_SETBIT(sc, UDAV_NCR, UDAV_NCR_RST); 463238104Sdes 464238104Sdes for (i = 0; i < UDAV_TX_TIMEOUT; i++) { 465238104Sdes if (!(udav_csr_read1(sc, UDAV_NCR) & UDAV_NCR_RST)) 466238104Sdes break; 467238104Sdes if (uether_pause(&sc->sc_ue, hz / 100)) 468238104Sdes break; 469238104Sdes } 470238104Sdes 471238104Sdes uether_pause(&sc->sc_ue, hz / 100); 472238104Sdes} 473238104Sdes 474238104Sdes#define UDAV_BITS 6 475238104Sdesstatic void 476238104Sdesudav_setmulti(struct usb_ether *ue) 477238104Sdes{ 478246854Sdes struct udav_softc *sc = ue->ue_sc; 479246854Sdes struct ifnet *ifp = uether_getifp(&sc->sc_ue); 480246854Sdes struct ifmultiaddr *ifma; 481246854Sdes uint8_t hashtbl[8] = { 0, 0, 0, 0, 0, 0, 0, 0 }; 482246854Sdes int h = 0; 483246854Sdes 484238104Sdes UDAV_LOCK_ASSERT(sc, MA_OWNED); 485238104Sdes 486246854Sdes if (ifp->if_flags & IFF_ALLMULTI || ifp->if_flags & IFF_PROMISC) { 487246854Sdes UDAV_SETBIT(sc, UDAV_RCR, UDAV_RCR_ALL|UDAV_RCR_PRMSC); 488246854Sdes return; 489246854Sdes } 490246854Sdes 491246854Sdes /* first, zot all the existing hash bits */ 492238104Sdes memset(hashtbl, 0x00, sizeof(hashtbl)); 493238104Sdes hashtbl[7] |= 0x80; /* broadcast address */ 494246854Sdes udav_csr_write(sc, UDAV_MAR, hashtbl, sizeof(hashtbl)); 495246854Sdes 496246854Sdes /* now program new ones */ 497246854Sdes if_maddr_rlock(ifp); 498246854Sdes TAILQ_FOREACH(ifma, &ifp->if_multiaddrs, ifma_link) 499246854Sdes { 500238104Sdes if (ifma->ifma_addr->sa_family != AF_LINK) 501238104Sdes continue; 502246854Sdes h = ether_crc32_be(LLADDR((struct sockaddr_dl *) 503246854Sdes ifma->ifma_addr), ETHER_ADDR_LEN) >> 26; 504246854Sdes hashtbl[h / 8] |= 1 << (h % 8); 505246854Sdes } 506246854Sdes if_maddr_runlock(ifp); 507246854Sdes 508238104Sdes /* disable all multicast */ 509238104Sdes UDAV_CLRBIT(sc, UDAV_RCR, UDAV_RCR_ALL); 510246854Sdes 511246854Sdes /* write hash value to the register */ 512246854Sdes udav_csr_write(sc, UDAV_MAR, hashtbl, sizeof(hashtbl)); 513246854Sdes} 514246854Sdes 515246854Sdesstatic void 516238104Sdesudav_setpromisc(struct usb_ether *ue) 517238104Sdes{ 518246854Sdes struct udav_softc *sc = ue->ue_sc; 519246854Sdes struct ifnet *ifp = uether_getifp(&sc->sc_ue); 520246854Sdes uint8_t rxmode; 521246854Sdes 522246854Sdes rxmode = udav_csr_read1(sc, UDAV_RCR); 523246854Sdes rxmode &= ~(UDAV_RCR_ALL | UDAV_RCR_PRMSC); 524238104Sdes 525238104Sdes if (ifp->if_flags & IFF_PROMISC) 526246854Sdes rxmode |= UDAV_RCR_ALL | UDAV_RCR_PRMSC; 527246854Sdes else if (ifp->if_flags & IFF_ALLMULTI) 528246854Sdes rxmode |= UDAV_RCR_ALL; 529246854Sdes 530246854Sdes /* write new mode bits */ 531246854Sdes udav_csr_write1(sc, UDAV_RCR, rxmode); 532238104Sdes} 533238104Sdes 534246854Sdesstatic void 535246854Sdesudav_start(struct usb_ether *ue) 536246854Sdes{ 537246854Sdes struct udav_softc *sc = ue->ue_sc; 538246854Sdes 539246854Sdes /* 540246854Sdes * start the USB transfers, if not already started: 541238104Sdes */ 542238104Sdes usbd_transfer_start(sc->sc_xfer[UDAV_INTR_DT_RD]); 543246854Sdes usbd_transfer_start(sc->sc_xfer[UDAV_BULK_DT_RD]); 544246854Sdes usbd_transfer_start(sc->sc_xfer[UDAV_BULK_DT_WR]); 545246854Sdes} 546246854Sdes 547246854Sdesstatic void 548246854Sdesudav_bulk_write_callback(struct usb_xfer *xfer, usb_error_t error) 549238104Sdes{ 550238104Sdes struct udav_softc *sc = usbd_xfer_softc(xfer); 551246854Sdes struct ifnet *ifp = uether_getifp(&sc->sc_ue); 552246854Sdes struct usb_page_cache *pc; 553246854Sdes struct mbuf *m; 554246854Sdes int extra_len; 555246854Sdes int temp_len; 556246854Sdes uint8_t buf[2]; 557238104Sdes 558238104Sdes switch (USB_GET_STATE(xfer)) { 559246854Sdes case USB_ST_TRANSFERRED: 560246854Sdes DPRINTFN(11, "transfer complete\n"); 561246854Sdes ifp->if_opackets++; 562246854Sdes 563246854Sdes /* FALLTHROUGH */ 564246854Sdes case USB_ST_SETUP: 565238104Sdestr_setup: 566238104Sdes if ((sc->sc_flags & UDAV_FLAG_LINK) == 0) { 567246854Sdes /* 568246854Sdes * don't send anything if there is no link ! 569246854Sdes */ 570246854Sdes return; 571246854Sdes } 572246854Sdes IFQ_DRV_DEQUEUE(&ifp->if_snd, m); 573238104Sdes 574238104Sdes if (m == NULL) 575246854Sdes return; 576246854Sdes if (m->m_pkthdr.len > MCLBYTES) 577246854Sdes m->m_pkthdr.len = MCLBYTES; 578246854Sdes if (m->m_pkthdr.len < UDAV_MIN_FRAME_LEN) { 579246854Sdes extra_len = UDAV_MIN_FRAME_LEN - m->m_pkthdr.len; 580246854Sdes } else { 581238104Sdes extra_len = 0; 582238104Sdes } 583246854Sdes 584246854Sdes temp_len = (m->m_pkthdr.len + extra_len); 585246854Sdes 586246854Sdes /* 587246854Sdes * the frame length is specified in the first 2 bytes of the 588246854Sdes * buffer 589238104Sdes */ 590238104Sdes buf[0] = (uint8_t)(temp_len); 591246854Sdes buf[1] = (uint8_t)(temp_len >> 8); 592246854Sdes 593246854Sdes temp_len += 2; 594246854Sdes 595246854Sdes pc = usbd_xfer_get_frame(xfer, 0); 596246854Sdes usbd_copy_in(pc, 0, buf, 2); 597238104Sdes usbd_m_copy_in(pc, 2, m, 0, m->m_pkthdr.len); 598238104Sdes 599246854Sdes if (extra_len) 600246854Sdes usbd_frame_zero(pc, temp_len - extra_len, extra_len); 601246854Sdes /* 602246854Sdes * if there's a BPF listener, bounce a copy 603246854Sdes * of this frame to him: 604246854Sdes */ 605238104Sdes BPF_MTAP(ifp, m); 606238104Sdes 607246854Sdes m_freem(m); 608246854Sdes 609246854Sdes usbd_xfer_set_frame_len(xfer, 0, temp_len); 610246854Sdes usbd_transfer_submit(xfer); 611246854Sdes return; 612246854Sdes 613246854Sdes default: /* Error */ 614238104Sdes DPRINTFN(11, "transfer error, %s\n", 615238104Sdes usbd_errstr(error)); 616246854Sdes 617246854Sdes ifp->if_oerrors++; 618246854Sdes 619246854Sdes if (error != USB_ERR_CANCELLED) { 620246854Sdes /* try to clear stall first */ 621246854Sdes usbd_xfer_set_stall(xfer); 622238104Sdes goto tr_setup; 623238104Sdes } 624246854Sdes return; 625246854Sdes } 626246854Sdes} 627246854Sdes 628246854Sdesstatic void 629246854Sdesudav_bulk_read_callback(struct usb_xfer *xfer, usb_error_t error) 630238104Sdes{ 631238104Sdes struct udav_softc *sc = usbd_xfer_softc(xfer); 632246854Sdes struct usb_ether *ue = &sc->sc_ue; 633246854Sdes struct ifnet *ifp = uether_getifp(ue); 634246854Sdes struct usb_page_cache *pc; 635246854Sdes struct udav_rxpkt stat; 636246854Sdes int len; 637246854Sdes int actlen; 638238104Sdes 639238104Sdes usbd_xfer_status(xfer, &actlen, NULL, NULL, NULL); 640246854Sdes 641246854Sdes switch (USB_GET_STATE(xfer)) { 642246854Sdes case USB_ST_TRANSFERRED: 643246854Sdes 644246854Sdes if (actlen < sizeof(stat) + ETHER_CRC_LEN) { 645246854Sdes ifp->if_ierrors++; 646238104Sdes goto tr_setup; 647238104Sdes } 648246854Sdes pc = usbd_xfer_get_frame(xfer, 0); 649246854Sdes usbd_copy_out(pc, 0, &stat, sizeof(stat)); 650246854Sdes actlen -= sizeof(stat); 651246854Sdes len = min(actlen, le16toh(stat.pktlen)); 652246854Sdes len -= ETHER_CRC_LEN; 653246854Sdes 654246854Sdes if (stat.rxstat & UDAV_RSR_LCS) { 655238104Sdes ifp->if_collisions++; 656238104Sdes goto tr_setup; 657246854Sdes } 658246854Sdes if (stat.rxstat & UDAV_RSR_ERR) { 659246854Sdes ifp->if_ierrors++; 660246854Sdes goto tr_setup; 661246854Sdes } 662246854Sdes uether_rxbuf(ue, pc, sizeof(stat), len); 663238104Sdes /* FALLTHROUGH */ 664238104Sdes case USB_ST_SETUP: 665246854Sdestr_setup: 666246854Sdes usbd_xfer_set_frame_len(xfer, 0, usbd_xfer_max_len(xfer)); 667246854Sdes usbd_transfer_submit(xfer); 668246854Sdes uether_rxflush(ue); 669246854Sdes return; 670246854Sdes 671238104Sdes default: /* Error */ 672238104Sdes DPRINTF("bulk read error, %s\n", 673246854Sdes usbd_errstr(error)); 674246854Sdes 675246854Sdes if (error != USB_ERR_CANCELLED) { 676246854Sdes /* try to clear stall first */ 677246854Sdes usbd_xfer_set_stall(xfer); 678246854Sdes goto tr_setup; 679246854Sdes } 680246854Sdes return; 681238104Sdes } 682238104Sdes} 683246854Sdes 684246854Sdesstatic void 685246854Sdesudav_intr_callback(struct usb_xfer *xfer, usb_error_t error) 686246854Sdes{ 687246854Sdes switch (USB_GET_STATE(xfer)) { 688246854Sdes case USB_ST_TRANSFERRED: 689246854Sdes case USB_ST_SETUP: 690246854Sdestr_setup: 691246854Sdes usbd_xfer_set_frame_len(xfer, 0, usbd_xfer_max_len(xfer)); 692246854Sdes usbd_transfer_submit(xfer); 693246854Sdes return; 694246854Sdes 695246854Sdes default: /* Error */ 696246854Sdes if (error != USB_ERR_CANCELLED) { 697246854Sdes /* try to clear stall first */ 698238104Sdes usbd_xfer_set_stall(xfer); 699246854Sdes goto tr_setup; 700246854Sdes } 701246854Sdes return; 702246854Sdes } 703246854Sdes} 704246854Sdes 705246854Sdesstatic void 706246854Sdesudav_stop(struct usb_ether *ue) 707246854Sdes{ 708246854Sdes struct udav_softc *sc = ue->ue_sc; 709246854Sdes struct ifnet *ifp = uether_getifp(&sc->sc_ue); 710246854Sdes 711246854Sdes UDAV_LOCK_ASSERT(sc, MA_OWNED); 712246854Sdes 713246854Sdes ifp->if_drv_flags &= ~IFF_DRV_RUNNING; 714246854Sdes sc->sc_flags &= ~UDAV_FLAG_LINK; 715246854Sdes 716246854Sdes /* 717246854Sdes * stop all the transfers, if not already stopped: 718238104Sdes */ 719238104Sdes usbd_transfer_stop(sc->sc_xfer[UDAV_BULK_DT_WR]); 720246854Sdes usbd_transfer_stop(sc->sc_xfer[UDAV_BULK_DT_RD]); 721246854Sdes usbd_transfer_stop(sc->sc_xfer[UDAV_INTR_DT_RD]); 722246854Sdes 723238104Sdes udav_reset(sc); 724238104Sdes} 725246854Sdes 726246854Sdesstatic int 727246854Sdesudav_ifmedia_upd(struct ifnet *ifp) 728246854Sdes{ 729246854Sdes struct udav_softc *sc = ifp->if_softc; 730246854Sdes struct mii_data *mii = GET_MII(sc); 731246854Sdes 732246854Sdes UDAV_LOCK_ASSERT(sc, MA_OWNED); 733246854Sdes 734238104Sdes sc->sc_flags &= ~UDAV_FLAG_LINK; 735238104Sdes if (mii->mii_instance) { 736246854Sdes struct mii_softc *miisc; 737246854Sdes 738246854Sdes LIST_FOREACH(miisc, &mii->mii_phys, mii_list) 739246854Sdes mii_phy_reset(miisc); 740246854Sdes } 741246854Sdes mii_mediachg(mii); 742238104Sdes return (0); 743238104Sdes} 744246854Sdes 745246854Sdesstatic void 746246854Sdesudav_ifmedia_status(struct ifnet *ifp, struct ifmediareq *ifmr) 747246854Sdes{ 748246854Sdes struct udav_softc *sc = ifp->if_softc; 749246854Sdes struct mii_data *mii = GET_MII(sc); 750238104Sdes 751238104Sdes UDAV_LOCK(sc); 752246854Sdes mii_pollstat(mii); 753246854Sdes UDAV_UNLOCK(sc); 754246854Sdes ifmr->ifm_active = mii->mii_media_active; 755238104Sdes ifmr->ifm_status = mii->mii_media_status; 756238104Sdes} 757246854Sdes 758246854Sdesstatic void 759246854Sdesudav_tick(struct usb_ether *ue) 760246854Sdes{ 761246854Sdes struct udav_softc *sc = ue->ue_sc; 762246854Sdes struct mii_data *mii = GET_MII(sc); 763246854Sdes 764246854Sdes UDAV_LOCK_ASSERT(sc, MA_OWNED); 765246854Sdes 766238104Sdes mii_tick(mii); 767238104Sdes if ((sc->sc_flags & UDAV_FLAG_LINK) == 0 768246854Sdes && mii->mii_media_status & IFM_ACTIVE && 769246854Sdes IFM_SUBTYPE(mii->mii_media_active) != IFM_NONE) { 770246854Sdes sc->sc_flags |= UDAV_FLAG_LINK; 771238104Sdes udav_start(ue); 772238104Sdes } 773246854Sdes} 774246854Sdes 775246854Sdesstatic int 776246854Sdesudav_miibus_readreg(device_t dev, int phy, int reg) 777246854Sdes{ 778246854Sdes struct udav_softc *sc = device_get_softc(dev); 779246854Sdes uint16_t data16; 780246854Sdes uint8_t val[2]; 781246854Sdes int locked; 782238104Sdes 783238104Sdes /* XXX: one PHY only for the internal PHY */ 784246854Sdes if (phy != 0) 785246854Sdes return (0); 786246854Sdes 787246854Sdes locked = mtx_owned(&sc->sc_mtx); 788246854Sdes if (!locked) 789246854Sdes UDAV_LOCK(sc); 790238104Sdes 791238104Sdes /* select internal PHY and set PHY register address */ 792246854Sdes udav_csr_write1(sc, UDAV_EPAR, 793246854Sdes UDAV_EPAR_PHY_ADR0 | (reg & UDAV_EPAR_EROA_MASK)); 794246854Sdes 795246854Sdes /* select PHY operation and start read command */ 796246854Sdes udav_csr_write1(sc, UDAV_EPCR, UDAV_EPCR_EPOS | UDAV_EPCR_ERPRR); 797246854Sdes 798238104Sdes /* XXX: should we wait? */ 799238104Sdes 800246854Sdes /* end read command */ 801246854Sdes UDAV_CLRBIT(sc, UDAV_EPCR, UDAV_EPCR_ERPRR); 802246854Sdes 803238104Sdes /* retrieve the result from data registers */ 804238104Sdes udav_csr_read(sc, UDAV_EPDRL, val, 2); 805246854Sdes 806246854Sdes data16 = (val[0] | (val[1] << 8)); 807246854Sdes 808246854Sdes DPRINTFN(11, "phy=%d reg=0x%04x => 0x%04x\n", 809246854Sdes phy, reg, data16); 810246854Sdes 811238104Sdes if (!locked) 812238104Sdes UDAV_UNLOCK(sc); 813246854Sdes return (data16); 814246854Sdes} 815246854Sdes 816246854Sdesstatic int 817246854Sdesudav_miibus_writereg(device_t dev, int phy, int reg, int data) 818246854Sdes{ 819238104Sdes struct udav_softc *sc = device_get_softc(dev); 820238104Sdes uint8_t val[2]; 821246854Sdes int locked; 822246854Sdes 823246854Sdes /* XXX: one PHY only for the internal PHY */ 824246854Sdes if (phy != 0) 825246854Sdes return (0); 826246854Sdes 827246854Sdes locked = mtx_owned(&sc->sc_mtx); 828246854Sdes if (!locked) 829246854Sdes UDAV_LOCK(sc); 830238104Sdes 831238104Sdes /* select internal PHY and set PHY register address */ 832246854Sdes udav_csr_write1(sc, UDAV_EPAR, 833246854Sdes UDAV_EPAR_PHY_ADR0 | (reg & UDAV_EPAR_EROA_MASK)); 834246854Sdes 835246854Sdes /* put the value to the data registers */ 836246854Sdes val[0] = (data & 0xff); 837246854Sdes val[1] = (data >> 8) & 0xff; 838238104Sdes udav_csr_write(sc, UDAV_EPDRL, val, 2); 839238104Sdes 840246854Sdes /* select PHY operation and start write command */ 841246854Sdes udav_csr_write1(sc, UDAV_EPCR, UDAV_EPCR_EPOS | UDAV_EPCR_ERPRW); 842246854Sdes 843238104Sdes /* XXX: should we wait? */ 844238104Sdes 845246854Sdes /* end write command */ 846246854Sdes UDAV_CLRBIT(sc, UDAV_EPCR, UDAV_EPCR_ERPRW); 847246854Sdes 848246854Sdes if (!locked) 849246854Sdes UDAV_UNLOCK(sc); 850246854Sdes return (0); 851238104Sdes} 852238104Sdes 853246854Sdesstatic void 854246854Sdesudav_miibus_statchg(device_t dev) 855246854Sdes{ 856246854Sdes /* nothing to do */ 857246854Sdes} 858246854Sdes