1184610Salfred/* $NetBSD: if_udav.c,v 1.2 2003/09/04 15:17:38 tsutsui Exp $ */ 2184610Salfred/* $nabe: if_udav.c,v 1.3 2003/08/21 16:57:19 nabe Exp $ */ 3184610Salfred/* $FreeBSD$ */ 4184610Salfred/*- 5184610Salfred * Copyright (c) 2003 6184610Salfred * Shingo WATANABE <nabe@nabechan.org>. All rights reserved. 7184610Salfred * 8184610Salfred * Redistribution and use in source and binary forms, with or without 9184610Salfred * modification, are permitted provided that the following conditions 10184610Salfred * are met: 11184610Salfred * 1. Redistributions of source code must retain the above copyright 12184610Salfred * notice, this list of conditions and the following disclaimer. 13184610Salfred * 2. Redistributions in binary form must reproduce the above copyright 14184610Salfred * notice, this list of conditions and the following disclaimer in the 15184610Salfred * documentation and/or other materials provided with the distribution. 16184610Salfred * 3. Neither the name of the author nor the names of any co-contributors 17184610Salfred * may be used to endorse or promote products derived from this software 18184610Salfred * without specific prior written permission. 19184610Salfred * 20184610Salfred * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 21184610Salfred * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 22184610Salfred * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 23184610Salfred * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 24184610Salfred * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 25184610Salfred * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 26184610Salfred * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 27184610Salfred * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 28184610Salfred * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 29184610Salfred * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 30184610Salfred * SUCH DAMAGE. 31184610Salfred * 32184610Salfred */ 33184610Salfred 34184610Salfred/* 35184610Salfred * DM9601(DAVICOM USB to Ethernet MAC Controller with Integrated 10/100 PHY) 36184610Salfred * The spec can be found at the following url. 37254404Skevlo * http://ptm2.cc.utu.fi/ftp/network/cards/DM9601/From_NET/DM9601-DS-P01-930914.pdf 38184610Salfred */ 39184610Salfred 40184610Salfred/* 41184610Salfred * TODO: 42184610Salfred * Interrupt Endpoint support 43184610Salfred * External PHYs 44184610Salfred */ 45184610Salfred 46184610Salfred#include <sys/cdefs.h> 47184610Salfred__FBSDID("$FreeBSD$"); 48184610Salfred 49194677Sthompsa#include <sys/stdint.h> 50194677Sthompsa#include <sys/stddef.h> 51194677Sthompsa#include <sys/param.h> 52194677Sthompsa#include <sys/queue.h> 53194677Sthompsa#include <sys/types.h> 54194677Sthompsa#include <sys/systm.h> 55257176Sglebius#include <sys/socket.h> 56194677Sthompsa#include <sys/kernel.h> 57194677Sthompsa#include <sys/bus.h> 58194677Sthompsa#include <sys/module.h> 59194677Sthompsa#include <sys/lock.h> 60194677Sthompsa#include <sys/mutex.h> 61194677Sthompsa#include <sys/condvar.h> 62194677Sthompsa#include <sys/sysctl.h> 63194677Sthompsa#include <sys/sx.h> 64194677Sthompsa#include <sys/unistd.h> 65194677Sthompsa#include <sys/callout.h> 66194677Sthompsa#include <sys/malloc.h> 67194677Sthompsa#include <sys/priv.h> 68194677Sthompsa 69257176Sglebius#include <net/if.h> 70257176Sglebius#include <net/if_var.h> 71257176Sglebius 72194677Sthompsa#include <dev/usb/usb.h> 73194677Sthompsa#include <dev/usb/usbdi.h> 74194677Sthompsa#include <dev/usb/usbdi_util.h> 75188746Sthompsa#include "usbdevs.h" 76184610Salfred 77184610Salfred#define USB_DEBUG_VAR udav_debug 78194677Sthompsa#include <dev/usb/usb_debug.h> 79188942Sthompsa#include <dev/usb/usb_process.h> 80184610Salfred 81188942Sthompsa#include <dev/usb/net/usb_ethernet.h> 82188942Sthompsa#include <dev/usb/net/if_udavreg.h> 83184610Salfred 84184610Salfred/* prototypes */ 85184610Salfred 86184610Salfredstatic device_probe_t udav_probe; 87184610Salfredstatic device_attach_t udav_attach; 88184610Salfredstatic device_detach_t udav_detach; 89184610Salfred 90193045Sthompsastatic usb_callback_t udav_bulk_write_callback; 91193045Sthompsastatic usb_callback_t udav_bulk_read_callback; 92193045Sthompsastatic usb_callback_t udav_intr_callback; 93184610Salfred 94193045Sthompsastatic uether_fn_t udav_attach_post; 95193045Sthompsastatic uether_fn_t udav_init; 96193045Sthompsastatic uether_fn_t udav_stop; 97193045Sthompsastatic uether_fn_t udav_start; 98193045Sthompsastatic uether_fn_t udav_tick; 99193045Sthompsastatic uether_fn_t udav_setmulti; 100193045Sthompsastatic uether_fn_t udav_setpromisc; 101184610Salfred 102188412Sthompsastatic int udav_csr_read(struct udav_softc *, uint16_t, void *, int); 103188412Sthompsastatic int udav_csr_write(struct udav_softc *, uint16_t, void *, int); 104188412Sthompsastatic uint8_t udav_csr_read1(struct udav_softc *, uint16_t); 105188412Sthompsastatic int udav_csr_write1(struct udav_softc *, uint16_t, uint8_t); 106188412Sthompsastatic void udav_reset(struct udav_softc *); 107188412Sthompsastatic int udav_ifmedia_upd(struct ifnet *); 108188412Sthompsastatic void udav_ifmedia_status(struct ifnet *, struct ifmediareq *); 109184610Salfred 110188412Sthompsastatic miibus_readreg_t udav_miibus_readreg; 111188412Sthompsastatic miibus_writereg_t udav_miibus_writereg; 112188412Sthompsastatic miibus_statchg_t udav_miibus_statchg; 113184610Salfred 114192984Sthompsastatic const struct usb_config udav_config[UDAV_N_TRANSFER] = { 115184610Salfred 116187259Sthompsa [UDAV_BULK_DT_WR] = { 117184610Salfred .type = UE_BULK, 118184610Salfred .endpoint = UE_ADDR_ANY, 119184610Salfred .direction = UE_DIR_OUT, 120190734Sthompsa .bufsize = (MCLBYTES + 2), 121190734Sthompsa .flags = {.pipe_bof = 1,.force_short_xfer = 1,}, 122190734Sthompsa .callback = udav_bulk_write_callback, 123190734Sthompsa .timeout = 10000, /* 10 seconds */ 124184610Salfred }, 125184610Salfred 126187259Sthompsa [UDAV_BULK_DT_RD] = { 127184610Salfred .type = UE_BULK, 128184610Salfred .endpoint = UE_ADDR_ANY, 129184610Salfred .direction = UE_DIR_IN, 130190734Sthompsa .bufsize = (MCLBYTES + 3), 131190734Sthompsa .flags = {.pipe_bof = 1,.short_xfer_ok = 1,}, 132190734Sthompsa .callback = udav_bulk_read_callback, 133190734Sthompsa .timeout = 0, /* no timeout */ 134184610Salfred }, 135184610Salfred 136187259Sthompsa [UDAV_INTR_DT_RD] = { 137184610Salfred .type = UE_INTERRUPT, 138184610Salfred .endpoint = UE_ADDR_ANY, 139184610Salfred .direction = UE_DIR_IN, 140190734Sthompsa .flags = {.pipe_bof = 1,.short_xfer_ok = 1,}, 141190734Sthompsa .bufsize = 0, /* use wMaxPacketSize */ 142190734Sthompsa .callback = udav_intr_callback, 143184610Salfred }, 144184610Salfred}; 145184610Salfred 146184610Salfredstatic device_method_t udav_methods[] = { 147184610Salfred /* Device interface */ 148184610Salfred DEVMETHOD(device_probe, udav_probe), 149184610Salfred DEVMETHOD(device_attach, udav_attach), 150184610Salfred DEVMETHOD(device_detach, udav_detach), 151184610Salfred 152184610Salfred /* MII interface */ 153188412Sthompsa DEVMETHOD(miibus_readreg, udav_miibus_readreg), 154188412Sthompsa DEVMETHOD(miibus_writereg, udav_miibus_writereg), 155188412Sthompsa DEVMETHOD(miibus_statchg, udav_miibus_statchg), 156184610Salfred 157227843Smarius DEVMETHOD_END 158184610Salfred}; 159184610Salfred 160184610Salfredstatic driver_t udav_driver = { 161184610Salfred .name = "udav", 162184610Salfred .methods = udav_methods, 163184610Salfred .size = sizeof(struct udav_softc), 164184610Salfred}; 165184610Salfred 166184610Salfredstatic devclass_t udav_devclass; 167184610Salfred 168292080Simpstatic const STRUCT_USB_HOST_ID udav_devs[] = { 169292080Simp /* ShanTou DM9601 USB NIC */ 170292080Simp {USB_VPI(USB_VENDOR_SHANTOU, USB_PRODUCT_SHANTOU_DM9601, 0)}, 171292080Simp /* ShanTou ST268 USB NIC */ 172292080Simp {USB_VPI(USB_VENDOR_SHANTOU, USB_PRODUCT_SHANTOU_ST268, 0)}, 173292080Simp /* Corega USB-TXC */ 174292080Simp {USB_VPI(USB_VENDOR_COREGA, USB_PRODUCT_COREGA_FETHER_USB_TXC, 0)}, 175292080Simp /* ShanTou AMD8515 USB NIC */ 176292080Simp {USB_VPI(USB_VENDOR_SHANTOU, USB_PRODUCT_SHANTOU_ADM8515, 0)}, 177292080Simp /* Kontron AG USB Ethernet */ 178292080Simp {USB_VPI(USB_VENDOR_KONTRON, USB_PRODUCT_KONTRON_DM9601, 0)}, 179292080Simp {USB_VPI(USB_VENDOR_KONTRON, USB_PRODUCT_KONTRON_JP1082, 180292080Simp UDAV_FLAG_NO_PHY)}, 181292080Simp}; 182292080Simp 183189275SthompsaDRIVER_MODULE(udav, uhub, udav_driver, udav_devclass, NULL, 0); 184184610SalfredDRIVER_MODULE(miibus, udav, miibus_driver, miibus_devclass, 0, 0); 185188942SthompsaMODULE_DEPEND(udav, uether, 1, 1, 1); 186188942SthompsaMODULE_DEPEND(udav, usb, 1, 1, 1); 187184610SalfredMODULE_DEPEND(udav, ether, 1, 1, 1); 188184610SalfredMODULE_DEPEND(udav, miibus, 1, 1, 1); 189212122SthompsaMODULE_VERSION(udav, 1); 190292080SimpUSB_PNP_HOST_INFO(udav_devs); 191184610Salfred 192242777Shselaskystatic const struct usb_ether_methods udav_ue_methods = { 193188412Sthompsa .ue_attach_post = udav_attach_post, 194188412Sthompsa .ue_start = udav_start, 195188412Sthompsa .ue_init = udav_init, 196188412Sthompsa .ue_stop = udav_stop, 197188412Sthompsa .ue_tick = udav_tick, 198188412Sthompsa .ue_setmulti = udav_setmulti, 199188412Sthompsa .ue_setpromisc = udav_setpromisc, 200188412Sthompsa .ue_mii_upd = udav_ifmedia_upd, 201188412Sthompsa .ue_mii_sts = udav_ifmedia_status, 202188412Sthompsa}; 203188412Sthompsa 204242777Shselaskystatic const struct usb_ether_methods udav_ue_methods_nophy = { 205242777Shselasky .ue_attach_post = udav_attach_post, 206242777Shselasky .ue_start = udav_start, 207242777Shselasky .ue_init = udav_init, 208242777Shselasky .ue_stop = udav_stop, 209242777Shselasky .ue_setmulti = udav_setmulti, 210242777Shselasky .ue_setpromisc = udav_setpromisc, 211242777Shselasky}; 212242777Shselasky 213207077Sthompsa#ifdef USB_DEBUG 214184610Salfredstatic int udav_debug = 0; 215184610Salfred 216227309Sedstatic SYSCTL_NODE(_hw_usb, OID_AUTO, udav, CTLFLAG_RW, 0, "USB udav"); 217276701ShselaskySYSCTL_INT(_hw_usb_udav, OID_AUTO, debug, CTLFLAG_RWTUN, &udav_debug, 0, 218184610Salfred "Debug level"); 219184610Salfred#endif 220184610Salfred 221188412Sthompsa#define UDAV_SETBIT(sc, reg, x) \ 222188412Sthompsa udav_csr_write1(sc, reg, udav_csr_read1(sc, reg) | (x)) 223184610Salfred 224188412Sthompsa#define UDAV_CLRBIT(sc, reg, x) \ 225188412Sthompsa udav_csr_write1(sc, reg, udav_csr_read1(sc, reg) & ~(x)) 226184610Salfred 227188412Sthompsastatic void 228192984Sthompsaudav_attach_post(struct usb_ether *ue) 229188412Sthompsa{ 230194228Sthompsa struct udav_softc *sc = uether_getsc(ue); 231188412Sthompsa 232188412Sthompsa /* reset the adapter */ 233188412Sthompsa udav_reset(sc); 234188412Sthompsa 235188412Sthompsa /* Get Ethernet Address */ 236188412Sthompsa udav_csr_read(sc, UDAV_PAR, ue->ue_eaddr, ETHER_ADDR_LEN); 237188412Sthompsa} 238188412Sthompsa 239184610Salfredstatic int 240184610Salfredudav_probe(device_t dev) 241184610Salfred{ 242192984Sthompsa struct usb_attach_arg *uaa = device_get_ivars(dev); 243184610Salfred 244192499Sthompsa if (uaa->usb_mode != USB_MODE_HOST) 245184610Salfred return (ENXIO); 246188412Sthompsa if (uaa->info.bConfigIndex != UDAV_CONFIG_INDEX) 247184610Salfred return (ENXIO); 248188412Sthompsa if (uaa->info.bIfaceIndex != UDAV_IFACE_INDEX) 249184610Salfred return (ENXIO); 250188412Sthompsa 251194228Sthompsa return (usbd_lookup_id_by_uaa(udav_devs, sizeof(udav_devs), uaa)); 252184610Salfred} 253184610Salfred 254184610Salfredstatic int 255184610Salfredudav_attach(device_t dev) 256184610Salfred{ 257192984Sthompsa struct usb_attach_arg *uaa = device_get_ivars(dev); 258184610Salfred struct udav_softc *sc = device_get_softc(dev); 259192984Sthompsa struct usb_ether *ue = &sc->sc_ue; 260184610Salfred uint8_t iface_index; 261188412Sthompsa int error; 262184610Salfred 263184610Salfred sc->sc_flags = USB_GET_DRIVER_INFO(uaa); 264184610Salfred 265194228Sthompsa device_set_usb_desc(dev); 266184610Salfred 267188412Sthompsa mtx_init(&sc->sc_mtx, device_get_nameunit(dev), NULL, MTX_DEF); 268184610Salfred 269184610Salfred iface_index = UDAV_IFACE_INDEX; 270194228Sthompsa error = usbd_transfer_setup(uaa->device, &iface_index, 271187259Sthompsa sc->sc_xfer, udav_config, UDAV_N_TRANSFER, sc, &sc->sc_mtx); 272184610Salfred if (error) { 273199816Sthompsa device_printf(dev, "allocating USB transfers failed\n"); 274184610Salfred goto detach; 275184610Salfred } 276188412Sthompsa 277238466Srpaulo /* 278238466Srpaulo * The JP1082 has an unusable PHY and provides no link information. 279238466Srpaulo */ 280238466Srpaulo if (sc->sc_flags & UDAV_FLAG_NO_PHY) { 281242777Shselasky ue->ue_methods = &udav_ue_methods_nophy; 282238466Srpaulo sc->sc_flags |= UDAV_FLAG_LINK; 283242777Shselasky } else { 284242777Shselasky ue->ue_methods = &udav_ue_methods; 285238466Srpaulo } 286238466Srpaulo 287188412Sthompsa ue->ue_sc = sc; 288188412Sthompsa ue->ue_dev = dev; 289188412Sthompsa ue->ue_udev = uaa->device; 290188412Sthompsa ue->ue_mtx = &sc->sc_mtx; 291188412Sthompsa 292194228Sthompsa error = uether_ifattach(ue); 293184610Salfred if (error) { 294188412Sthompsa device_printf(dev, "could not attach interface\n"); 295184610Salfred goto detach; 296184610Salfred } 297184610Salfred 298184610Salfred return (0); /* success */ 299184610Salfred 300184610Salfreddetach: 301184610Salfred udav_detach(dev); 302184610Salfred return (ENXIO); /* failure */ 303184610Salfred} 304184610Salfred 305184610Salfredstatic int 306184610Salfredudav_detach(device_t dev) 307184610Salfred{ 308184610Salfred struct udav_softc *sc = device_get_softc(dev); 309192984Sthompsa struct usb_ether *ue = &sc->sc_ue; 310184610Salfred 311194228Sthompsa usbd_transfer_unsetup(sc->sc_xfer, UDAV_N_TRANSFER); 312194228Sthompsa uether_ifdetach(ue); 313184610Salfred mtx_destroy(&sc->sc_mtx); 314184610Salfred 315184610Salfred return (0); 316184610Salfred} 317184610Salfred 318184610Salfred#if 0 319188412Sthompsastatic int 320188412Sthompsaudav_mem_read(struct udav_softc *sc, uint16_t offset, void *buf, 321188412Sthompsa int len) 322184610Salfred{ 323192984Sthompsa struct usb_device_request req; 324184610Salfred 325184610Salfred len &= 0xff; 326184610Salfred 327184610Salfred req.bmRequestType = UT_READ_VENDOR_DEVICE; 328184610Salfred req.bRequest = UDAV_REQ_MEM_READ; 329184610Salfred USETW(req.wValue, 0x0000); 330184610Salfred USETW(req.wIndex, offset); 331184610Salfred USETW(req.wLength, len); 332184610Salfred 333194228Sthompsa return (uether_do_request(&sc->sc_ue, &req, buf, 1000)); 334184610Salfred} 335184610Salfred 336188412Sthompsastatic int 337188412Sthompsaudav_mem_write(struct udav_softc *sc, uint16_t offset, void *buf, 338188412Sthompsa int len) 339184610Salfred{ 340192984Sthompsa struct usb_device_request req; 341184610Salfred 342184610Salfred len &= 0xff; 343184610Salfred 344184610Salfred req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 345184610Salfred req.bRequest = UDAV_REQ_MEM_WRITE; 346184610Salfred USETW(req.wValue, 0x0000); 347184610Salfred USETW(req.wIndex, offset); 348184610Salfred USETW(req.wLength, len); 349184610Salfred 350194228Sthompsa return (uether_do_request(&sc->sc_ue, &req, buf, 1000)); 351184610Salfred} 352184610Salfred 353188412Sthompsastatic int 354188412Sthompsaudav_mem_write1(struct udav_softc *sc, uint16_t offset, 355184610Salfred uint8_t ch) 356184610Salfred{ 357192984Sthompsa struct usb_device_request req; 358184610Salfred 359184610Salfred req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 360184610Salfred req.bRequest = UDAV_REQ_MEM_WRITE1; 361184610Salfred USETW(req.wValue, ch); 362184610Salfred USETW(req.wIndex, offset); 363184610Salfred USETW(req.wLength, 0x0000); 364184610Salfred 365194228Sthompsa return (uether_do_request(&sc->sc_ue, &req, NULL, 1000)); 366184610Salfred} 367184610Salfred#endif 368184610Salfred 369188412Sthompsastatic int 370188412Sthompsaudav_csr_read(struct udav_softc *sc, uint16_t offset, void *buf, int len) 371184610Salfred{ 372192984Sthompsa struct usb_device_request req; 373184610Salfred 374184610Salfred len &= 0xff; 375184610Salfred 376184610Salfred req.bmRequestType = UT_READ_VENDOR_DEVICE; 377184610Salfred req.bRequest = UDAV_REQ_REG_READ; 378184610Salfred USETW(req.wValue, 0x0000); 379184610Salfred USETW(req.wIndex, offset); 380184610Salfred USETW(req.wLength, len); 381184610Salfred 382194228Sthompsa return (uether_do_request(&sc->sc_ue, &req, buf, 1000)); 383184610Salfred} 384184610Salfred 385188412Sthompsastatic int 386188412Sthompsaudav_csr_write(struct udav_softc *sc, uint16_t offset, void *buf, int len) 387184610Salfred{ 388192984Sthompsa struct usb_device_request req; 389184610Salfred 390184610Salfred offset &= 0xff; 391184610Salfred len &= 0xff; 392184610Salfred 393184610Salfred req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 394184610Salfred req.bRequest = UDAV_REQ_REG_WRITE; 395184610Salfred USETW(req.wValue, 0x0000); 396184610Salfred USETW(req.wIndex, offset); 397184610Salfred USETW(req.wLength, len); 398184610Salfred 399194228Sthompsa return (uether_do_request(&sc->sc_ue, &req, buf, 1000)); 400184610Salfred} 401184610Salfred 402184610Salfredstatic uint8_t 403188412Sthompsaudav_csr_read1(struct udav_softc *sc, uint16_t offset) 404184610Salfred{ 405184610Salfred uint8_t val; 406184610Salfred 407188412Sthompsa udav_csr_read(sc, offset, &val, 1); 408184610Salfred return (val); 409184610Salfred} 410184610Salfred 411188412Sthompsastatic int 412188412Sthompsaudav_csr_write1(struct udav_softc *sc, uint16_t offset, 413184610Salfred uint8_t ch) 414184610Salfred{ 415192984Sthompsa struct usb_device_request req; 416184610Salfred 417184610Salfred offset &= 0xff; 418184610Salfred 419184610Salfred req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 420184610Salfred req.bRequest = UDAV_REQ_REG_WRITE1; 421184610Salfred USETW(req.wValue, ch); 422184610Salfred USETW(req.wIndex, offset); 423184610Salfred USETW(req.wLength, 0x0000); 424184610Salfred 425194228Sthompsa return (uether_do_request(&sc->sc_ue, &req, NULL, 1000)); 426184610Salfred} 427184610Salfred 428184610Salfredstatic void 429192984Sthompsaudav_init(struct usb_ether *ue) 430184610Salfred{ 431188412Sthompsa struct udav_softc *sc = ue->ue_sc; 432194228Sthompsa struct ifnet *ifp = uether_getifp(&sc->sc_ue); 433184610Salfred 434188412Sthompsa UDAV_LOCK_ASSERT(sc, MA_OWNED); 435184610Salfred 436184610Salfred /* 437184610Salfred * Cancel pending I/O 438184610Salfred */ 439188412Sthompsa udav_stop(ue); 440184610Salfred 441184610Salfred /* set MAC address */ 442188412Sthompsa udav_csr_write(sc, UDAV_PAR, IF_LLADDR(ifp), ETHER_ADDR_LEN); 443184610Salfred 444184610Salfred /* initialize network control register */ 445184610Salfred 446184610Salfred /* disable loopback */ 447188412Sthompsa UDAV_CLRBIT(sc, UDAV_NCR, UDAV_NCR_LBK0 | UDAV_NCR_LBK1); 448184610Salfred 449184610Salfred /* Initialize RX control register */ 450188412Sthompsa UDAV_SETBIT(sc, UDAV_RCR, UDAV_RCR_DIS_LONG | UDAV_RCR_DIS_CRC); 451184610Salfred 452184610Salfred /* load multicast filter and update promiscious mode bit */ 453188412Sthompsa udav_setpromisc(ue); 454184610Salfred 455184610Salfred /* enable RX */ 456188412Sthompsa UDAV_SETBIT(sc, UDAV_RCR, UDAV_RCR_RXEN); 457184610Salfred 458184610Salfred /* clear POWER_DOWN state of internal PHY */ 459188412Sthompsa UDAV_SETBIT(sc, UDAV_GPCR, UDAV_GPCR_GEP_CNTL0); 460188412Sthompsa UDAV_CLRBIT(sc, UDAV_GPR, UDAV_GPR_GEPIO0); 461184610Salfred 462194677Sthompsa usbd_xfer_set_stall(sc->sc_xfer[UDAV_BULK_DT_WR]); 463184610Salfred 464188412Sthompsa ifp->if_drv_flags |= IFF_DRV_RUNNING; 465188412Sthompsa udav_start(ue); 466184610Salfred} 467184610Salfred 468184610Salfredstatic void 469188412Sthompsaudav_reset(struct udav_softc *sc) 470184610Salfred{ 471188412Sthompsa int i; 472184610Salfred 473184610Salfred /* Select PHY */ 474184610Salfred#if 1 475184610Salfred /* 476184610Salfred * XXX: force select internal phy. 477184610Salfred * external phy routines are not tested. 478184610Salfred */ 479188412Sthompsa UDAV_CLRBIT(sc, UDAV_NCR, UDAV_NCR_EXT_PHY); 480184610Salfred#else 481188412Sthompsa if (sc->sc_flags & UDAV_EXT_PHY) 482188412Sthompsa UDAV_SETBIT(sc, UDAV_NCR, UDAV_NCR_EXT_PHY); 483188412Sthompsa else 484188412Sthompsa UDAV_CLRBIT(sc, UDAV_NCR, UDAV_NCR_EXT_PHY); 485184610Salfred#endif 486184610Salfred 487188412Sthompsa UDAV_SETBIT(sc, UDAV_NCR, UDAV_NCR_RST); 488184610Salfred 489188412Sthompsa for (i = 0; i < UDAV_TX_TIMEOUT; i++) { 490188412Sthompsa if (!(udav_csr_read1(sc, UDAV_NCR) & UDAV_NCR_RST)) 491184610Salfred break; 492194228Sthompsa if (uether_pause(&sc->sc_ue, hz / 100)) 493188412Sthompsa break; 494184610Salfred } 495184610Salfred 496194228Sthompsa uether_pause(&sc->sc_ue, hz / 100); 497184610Salfred} 498184610Salfred 499184610Salfred#define UDAV_BITS 6 500184610Salfredstatic void 501192984Sthompsaudav_setmulti(struct usb_ether *ue) 502184610Salfred{ 503188412Sthompsa struct udav_softc *sc = ue->ue_sc; 504194228Sthompsa struct ifnet *ifp = uether_getifp(&sc->sc_ue); 505188412Sthompsa struct ifmultiaddr *ifma; 506188412Sthompsa uint8_t hashtbl[8] = { 0, 0, 0, 0, 0, 0, 0, 0 }; 507188412Sthompsa int h = 0; 508184610Salfred 509188412Sthompsa UDAV_LOCK_ASSERT(sc, MA_OWNED); 510184610Salfred 511188412Sthompsa if (ifp->if_flags & IFF_ALLMULTI || ifp->if_flags & IFF_PROMISC) { 512188412Sthompsa UDAV_SETBIT(sc, UDAV_RCR, UDAV_RCR_ALL|UDAV_RCR_PRMSC); 513188412Sthompsa return; 514188412Sthompsa } 515188412Sthompsa 516188412Sthompsa /* first, zot all the existing hash bits */ 517188412Sthompsa memset(hashtbl, 0x00, sizeof(hashtbl)); 518188412Sthompsa hashtbl[7] |= 0x80; /* broadcast address */ 519188412Sthompsa udav_csr_write(sc, UDAV_MAR, hashtbl, sizeof(hashtbl)); 520188412Sthompsa 521188412Sthompsa /* now program new ones */ 522195049Srwatson if_maddr_rlock(ifp); 523188412Sthompsa TAILQ_FOREACH(ifma, &ifp->if_multiaddrs, ifma_link) 524188412Sthompsa { 525188412Sthompsa if (ifma->ifma_addr->sa_family != AF_LINK) 526188412Sthompsa continue; 527188412Sthompsa h = ether_crc32_be(LLADDR((struct sockaddr_dl *) 528188412Sthompsa ifma->ifma_addr), ETHER_ADDR_LEN) >> 26; 529188412Sthompsa hashtbl[h / 8] |= 1 << (h % 8); 530188412Sthompsa } 531195049Srwatson if_maddr_runlock(ifp); 532188412Sthompsa 533188412Sthompsa /* disable all multicast */ 534188412Sthompsa UDAV_CLRBIT(sc, UDAV_RCR, UDAV_RCR_ALL); 535188412Sthompsa 536188412Sthompsa /* write hash value to the register */ 537188412Sthompsa udav_csr_write(sc, UDAV_MAR, hashtbl, sizeof(hashtbl)); 538184610Salfred} 539184610Salfred 540184610Salfredstatic void 541192984Sthompsaudav_setpromisc(struct usb_ether *ue) 542184610Salfred{ 543188412Sthompsa struct udav_softc *sc = ue->ue_sc; 544194228Sthompsa struct ifnet *ifp = uether_getifp(&sc->sc_ue); 545184610Salfred uint8_t rxmode; 546184610Salfred 547188412Sthompsa rxmode = udav_csr_read1(sc, UDAV_RCR); 548184610Salfred rxmode &= ~(UDAV_RCR_ALL | UDAV_RCR_PRMSC); 549184610Salfred 550188412Sthompsa if (ifp->if_flags & IFF_PROMISC) 551184610Salfred rxmode |= UDAV_RCR_ALL | UDAV_RCR_PRMSC; 552188412Sthompsa else if (ifp->if_flags & IFF_ALLMULTI) 553184610Salfred rxmode |= UDAV_RCR_ALL; 554184610Salfred 555184610Salfred /* write new mode bits */ 556188412Sthompsa udav_csr_write1(sc, UDAV_RCR, rxmode); 557184610Salfred} 558184610Salfred 559184610Salfredstatic void 560192984Sthompsaudav_start(struct usb_ether *ue) 561184610Salfred{ 562188412Sthompsa struct udav_softc *sc = ue->ue_sc; 563184610Salfred 564188412Sthompsa /* 565188412Sthompsa * start the USB transfers, if not already started: 566188412Sthompsa */ 567194228Sthompsa usbd_transfer_start(sc->sc_xfer[UDAV_INTR_DT_RD]); 568194228Sthompsa usbd_transfer_start(sc->sc_xfer[UDAV_BULK_DT_RD]); 569194228Sthompsa usbd_transfer_start(sc->sc_xfer[UDAV_BULK_DT_WR]); 570184610Salfred} 571184610Salfred 572184610Salfredstatic void 573194677Sthompsaudav_bulk_write_callback(struct usb_xfer *xfer, usb_error_t error) 574184610Salfred{ 575194677Sthompsa struct udav_softc *sc = usbd_xfer_softc(xfer); 576194228Sthompsa struct ifnet *ifp = uether_getifp(&sc->sc_ue); 577194677Sthompsa struct usb_page_cache *pc; 578184610Salfred struct mbuf *m; 579188412Sthompsa int extra_len; 580188412Sthompsa int temp_len; 581184610Salfred uint8_t buf[2]; 582184610Salfred 583184610Salfred switch (USB_GET_STATE(xfer)) { 584184610Salfred case USB_ST_TRANSFERRED: 585184610Salfred DPRINTFN(11, "transfer complete\n"); 586271832Sglebius if_inc_counter(ifp, IFCOUNTER_OPACKETS, 1); 587184610Salfred 588188412Sthompsa /* FALLTHROUGH */ 589184610Salfred case USB_ST_SETUP: 590188412Sthompsatr_setup: 591188412Sthompsa if ((sc->sc_flags & UDAV_FLAG_LINK) == 0) { 592184610Salfred /* 593184610Salfred * don't send anything if there is no link ! 594184610Salfred */ 595188412Sthompsa return; 596184610Salfred } 597184610Salfred IFQ_DRV_DEQUEUE(&ifp->if_snd, m); 598184610Salfred 599188412Sthompsa if (m == NULL) 600188412Sthompsa return; 601188412Sthompsa if (m->m_pkthdr.len > MCLBYTES) 602184610Salfred m->m_pkthdr.len = MCLBYTES; 603184610Salfred if (m->m_pkthdr.len < UDAV_MIN_FRAME_LEN) { 604184610Salfred extra_len = UDAV_MIN_FRAME_LEN - m->m_pkthdr.len; 605184610Salfred } else { 606184610Salfred extra_len = 0; 607184610Salfred } 608184610Salfred 609184610Salfred temp_len = (m->m_pkthdr.len + extra_len); 610184610Salfred 611184610Salfred /* 612184610Salfred * the frame length is specified in the first 2 bytes of the 613184610Salfred * buffer 614184610Salfred */ 615184610Salfred buf[0] = (uint8_t)(temp_len); 616184610Salfred buf[1] = (uint8_t)(temp_len >> 8); 617184610Salfred 618184610Salfred temp_len += 2; 619184610Salfred 620194677Sthompsa pc = usbd_xfer_get_frame(xfer, 0); 621194677Sthompsa usbd_copy_in(pc, 0, buf, 2); 622194677Sthompsa usbd_m_copy_in(pc, 2, m, 0, m->m_pkthdr.len); 623184610Salfred 624194677Sthompsa if (extra_len) 625194677Sthompsa usbd_frame_zero(pc, temp_len - extra_len, extra_len); 626184610Salfred /* 627184610Salfred * if there's a BPF listener, bounce a copy 628184610Salfred * of this frame to him: 629184610Salfred */ 630184610Salfred BPF_MTAP(ifp, m); 631184610Salfred 632184610Salfred m_freem(m); 633184610Salfred 634194677Sthompsa usbd_xfer_set_frame_len(xfer, 0, temp_len); 635194228Sthompsa usbd_transfer_submit(xfer); 636184610Salfred return; 637184610Salfred 638184610Salfred default: /* Error */ 639184610Salfred DPRINTFN(11, "transfer error, %s\n", 640194677Sthompsa usbd_errstr(error)); 641184610Salfred 642271832Sglebius if_inc_counter(ifp, IFCOUNTER_OERRORS, 1); 643188412Sthompsa 644194677Sthompsa if (error != USB_ERR_CANCELLED) { 645184610Salfred /* try to clear stall first */ 646194677Sthompsa usbd_xfer_set_stall(xfer); 647188412Sthompsa goto tr_setup; 648184610Salfred } 649184610Salfred return; 650184610Salfred } 651184610Salfred} 652184610Salfred 653184610Salfredstatic void 654194677Sthompsaudav_bulk_read_callback(struct usb_xfer *xfer, usb_error_t error) 655184610Salfred{ 656194677Sthompsa struct udav_softc *sc = usbd_xfer_softc(xfer); 657192984Sthompsa struct usb_ether *ue = &sc->sc_ue; 658194228Sthompsa struct ifnet *ifp = uether_getifp(ue); 659194677Sthompsa struct usb_page_cache *pc; 660188412Sthompsa struct udav_rxpkt stat; 661188412Sthompsa int len; 662194677Sthompsa int actlen; 663184610Salfred 664194677Sthompsa usbd_xfer_status(xfer, &actlen, NULL, NULL, NULL); 665194677Sthompsa 666184610Salfred switch (USB_GET_STATE(xfer)) { 667184610Salfred case USB_ST_TRANSFERRED: 668184610Salfred 669233774Shselasky if (actlen < (int)(sizeof(stat) + ETHER_CRC_LEN)) { 670271832Sglebius if_inc_counter(ifp, IFCOUNTER_IERRORS, 1); 671184610Salfred goto tr_setup; 672184610Salfred } 673194677Sthompsa pc = usbd_xfer_get_frame(xfer, 0); 674194677Sthompsa usbd_copy_out(pc, 0, &stat, sizeof(stat)); 675194677Sthompsa actlen -= sizeof(stat); 676194677Sthompsa len = min(actlen, le16toh(stat.pktlen)); 677188412Sthompsa len -= ETHER_CRC_LEN; 678184610Salfred 679188412Sthompsa if (stat.rxstat & UDAV_RSR_LCS) { 680271832Sglebius if_inc_counter(ifp, IFCOUNTER_COLLISIONS, 1); 681184610Salfred goto tr_setup; 682184610Salfred } 683188412Sthompsa if (stat.rxstat & UDAV_RSR_ERR) { 684271832Sglebius if_inc_counter(ifp, IFCOUNTER_IERRORS, 1); 685184610Salfred goto tr_setup; 686184610Salfred } 687194677Sthompsa uether_rxbuf(ue, pc, sizeof(stat), len); 688188412Sthompsa /* FALLTHROUGH */ 689184610Salfred case USB_ST_SETUP: 690184610Salfredtr_setup: 691194677Sthompsa usbd_xfer_set_frame_len(xfer, 0, usbd_xfer_max_len(xfer)); 692194228Sthompsa usbd_transfer_submit(xfer); 693194228Sthompsa uether_rxflush(ue); 694184610Salfred return; 695184610Salfred 696184610Salfred default: /* Error */ 697188412Sthompsa DPRINTF("bulk read error, %s\n", 698194677Sthompsa usbd_errstr(error)); 699188412Sthompsa 700194677Sthompsa if (error != USB_ERR_CANCELLED) { 701184610Salfred /* try to clear stall first */ 702194677Sthompsa usbd_xfer_set_stall(xfer); 703188412Sthompsa goto tr_setup; 704184610Salfred } 705184610Salfred return; 706184610Salfred } 707184610Salfred} 708184610Salfred 709184610Salfredstatic void 710194677Sthompsaudav_intr_callback(struct usb_xfer *xfer, usb_error_t error) 711184610Salfred{ 712184610Salfred switch (USB_GET_STATE(xfer)) { 713184610Salfred case USB_ST_TRANSFERRED: 714184610Salfred case USB_ST_SETUP: 715188412Sthompsatr_setup: 716194677Sthompsa usbd_xfer_set_frame_len(xfer, 0, usbd_xfer_max_len(xfer)); 717194228Sthompsa usbd_transfer_submit(xfer); 718184610Salfred return; 719184610Salfred 720184610Salfred default: /* Error */ 721194677Sthompsa if (error != USB_ERR_CANCELLED) { 722188412Sthompsa /* try to clear stall first */ 723194677Sthompsa usbd_xfer_set_stall(xfer); 724188412Sthompsa goto tr_setup; 725184610Salfred } 726184610Salfred return; 727184610Salfred } 728184610Salfred} 729184610Salfred 730184610Salfredstatic void 731192984Sthompsaudav_stop(struct usb_ether *ue) 732184610Salfred{ 733188412Sthompsa struct udav_softc *sc = ue->ue_sc; 734194228Sthompsa struct ifnet *ifp = uether_getifp(&sc->sc_ue); 735184610Salfred 736188412Sthompsa UDAV_LOCK_ASSERT(sc, MA_OWNED); 737184610Salfred 738188412Sthompsa ifp->if_drv_flags &= ~IFF_DRV_RUNNING; 739238466Srpaulo if (!(sc->sc_flags & UDAV_FLAG_NO_PHY)) 740238466Srpaulo sc->sc_flags &= ~UDAV_FLAG_LINK; 741184610Salfred 742184610Salfred /* 743184610Salfred * stop all the transfers, if not already stopped: 744184610Salfred */ 745194228Sthompsa usbd_transfer_stop(sc->sc_xfer[UDAV_BULK_DT_WR]); 746194228Sthompsa usbd_transfer_stop(sc->sc_xfer[UDAV_BULK_DT_RD]); 747194228Sthompsa usbd_transfer_stop(sc->sc_xfer[UDAV_INTR_DT_RD]); 748184610Salfred 749188412Sthompsa udav_reset(sc); 750184610Salfred} 751184610Salfred 752184610Salfredstatic int 753188412Sthompsaudav_ifmedia_upd(struct ifnet *ifp) 754184610Salfred{ 755184610Salfred struct udav_softc *sc = ifp->if_softc; 756184610Salfred struct mii_data *mii = GET_MII(sc); 757221407Smarius struct mii_softc *miisc; 758251734Skevlo int error; 759184610Salfred 760188412Sthompsa UDAV_LOCK_ASSERT(sc, MA_OWNED); 761184610Salfred 762188412Sthompsa sc->sc_flags &= ~UDAV_FLAG_LINK; 763221407Smarius LIST_FOREACH(miisc, &mii->mii_phys, mii_list) 764221407Smarius PHY_RESET(miisc); 765251734Skevlo error = mii_mediachg(mii); 766251734Skevlo return (error); 767184610Salfred} 768184610Salfred 769184610Salfredstatic void 770188412Sthompsaudav_ifmedia_status(struct ifnet *ifp, struct ifmediareq *ifmr) 771184610Salfred{ 772184610Salfred struct udav_softc *sc = ifp->if_softc; 773188412Sthompsa struct mii_data *mii = GET_MII(sc); 774184610Salfred 775188412Sthompsa UDAV_LOCK(sc); 776188412Sthompsa mii_pollstat(mii); 777188412Sthompsa ifmr->ifm_active = mii->mii_media_active; 778188412Sthompsa ifmr->ifm_status = mii->mii_media_status; 779226479Syongari UDAV_UNLOCK(sc); 780184610Salfred} 781184610Salfred 782184610Salfredstatic void 783192984Sthompsaudav_tick(struct usb_ether *ue) 784184610Salfred{ 785188412Sthompsa struct udav_softc *sc = ue->ue_sc; 786184610Salfred struct mii_data *mii = GET_MII(sc); 787184610Salfred 788188412Sthompsa UDAV_LOCK_ASSERT(sc, MA_OWNED); 789188412Sthompsa 790184610Salfred mii_tick(mii); 791188412Sthompsa if ((sc->sc_flags & UDAV_FLAG_LINK) == 0 792188412Sthompsa && mii->mii_media_status & IFM_ACTIVE && 793188412Sthompsa IFM_SUBTYPE(mii->mii_media_active) != IFM_NONE) { 794188412Sthompsa sc->sc_flags |= UDAV_FLAG_LINK; 795188412Sthompsa udav_start(ue); 796184610Salfred } 797184610Salfred} 798184610Salfred 799184610Salfredstatic int 800188412Sthompsaudav_miibus_readreg(device_t dev, int phy, int reg) 801184610Salfred{ 802184610Salfred struct udav_softc *sc = device_get_softc(dev); 803184610Salfred uint16_t data16; 804184610Salfred uint8_t val[2]; 805188412Sthompsa int locked; 806184610Salfred 807184610Salfred /* XXX: one PHY only for the internal PHY */ 808188412Sthompsa if (phy != 0) 809184610Salfred return (0); 810184610Salfred 811188412Sthompsa locked = mtx_owned(&sc->sc_mtx); 812188412Sthompsa if (!locked) 813188412Sthompsa UDAV_LOCK(sc); 814188412Sthompsa 815184610Salfred /* select internal PHY and set PHY register address */ 816188412Sthompsa udav_csr_write1(sc, UDAV_EPAR, 817184610Salfred UDAV_EPAR_PHY_ADR0 | (reg & UDAV_EPAR_EROA_MASK)); 818184610Salfred 819184610Salfred /* select PHY operation and start read command */ 820188412Sthompsa udav_csr_write1(sc, UDAV_EPCR, UDAV_EPCR_EPOS | UDAV_EPCR_ERPRR); 821184610Salfred 822184610Salfred /* XXX: should we wait? */ 823184610Salfred 824184610Salfred /* end read command */ 825188412Sthompsa UDAV_CLRBIT(sc, UDAV_EPCR, UDAV_EPCR_ERPRR); 826184610Salfred 827184610Salfred /* retrieve the result from data registers */ 828188412Sthompsa udav_csr_read(sc, UDAV_EPDRL, val, 2); 829184610Salfred 830184610Salfred data16 = (val[0] | (val[1] << 8)); 831184610Salfred 832184610Salfred DPRINTFN(11, "phy=%d reg=0x%04x => 0x%04x\n", 833184610Salfred phy, reg, data16); 834184610Salfred 835188412Sthompsa if (!locked) 836188412Sthompsa UDAV_UNLOCK(sc); 837184610Salfred return (data16); 838184610Salfred} 839184610Salfred 840184610Salfredstatic int 841188412Sthompsaudav_miibus_writereg(device_t dev, int phy, int reg, int data) 842184610Salfred{ 843184610Salfred struct udav_softc *sc = device_get_softc(dev); 844184610Salfred uint8_t val[2]; 845188412Sthompsa int locked; 846184610Salfred 847184610Salfred /* XXX: one PHY only for the internal PHY */ 848188412Sthompsa if (phy != 0) 849184610Salfred return (0); 850184610Salfred 851188412Sthompsa locked = mtx_owned(&sc->sc_mtx); 852188412Sthompsa if (!locked) 853188412Sthompsa UDAV_LOCK(sc); 854188412Sthompsa 855184610Salfred /* select internal PHY and set PHY register address */ 856188412Sthompsa udav_csr_write1(sc, UDAV_EPAR, 857184610Salfred UDAV_EPAR_PHY_ADR0 | (reg & UDAV_EPAR_EROA_MASK)); 858184610Salfred 859184610Salfred /* put the value to the data registers */ 860184610Salfred val[0] = (data & 0xff); 861184610Salfred val[1] = (data >> 8) & 0xff; 862188412Sthompsa udav_csr_write(sc, UDAV_EPDRL, val, 2); 863184610Salfred 864184610Salfred /* select PHY operation and start write command */ 865188412Sthompsa udav_csr_write1(sc, UDAV_EPCR, UDAV_EPCR_EPOS | UDAV_EPCR_ERPRW); 866184610Salfred 867184610Salfred /* XXX: should we wait? */ 868184610Salfred 869184610Salfred /* end write command */ 870188412Sthompsa UDAV_CLRBIT(sc, UDAV_EPCR, UDAV_EPCR_ERPRW); 871184610Salfred 872188412Sthompsa if (!locked) 873188412Sthompsa UDAV_UNLOCK(sc); 874184610Salfred return (0); 875184610Salfred} 876184610Salfred 877184610Salfredstatic void 878188412Sthompsaudav_miibus_statchg(device_t dev) 879184610Salfred{ 880184610Salfred /* nothing to do */ 881184610Salfred} 882