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> 55194677Sthompsa#include <sys/kernel.h> 56194677Sthompsa#include <sys/bus.h> 57194677Sthompsa#include <sys/module.h> 58194677Sthompsa#include <sys/lock.h> 59194677Sthompsa#include <sys/mutex.h> 60194677Sthompsa#include <sys/condvar.h> 61194677Sthompsa#include <sys/sysctl.h> 62194677Sthompsa#include <sys/sx.h> 63194677Sthompsa#include <sys/unistd.h> 64194677Sthompsa#include <sys/callout.h> 65194677Sthompsa#include <sys/malloc.h> 66194677Sthompsa#include <sys/priv.h> 67194677Sthompsa 68194677Sthompsa#include <dev/usb/usb.h> 69194677Sthompsa#include <dev/usb/usbdi.h> 70194677Sthompsa#include <dev/usb/usbdi_util.h> 71188746Sthompsa#include "usbdevs.h" 72184610Salfred 73184610Salfred#define USB_DEBUG_VAR udav_debug 74194677Sthompsa#include <dev/usb/usb_debug.h> 75188942Sthompsa#include <dev/usb/usb_process.h> 76184610Salfred 77188942Sthompsa#include <dev/usb/net/usb_ethernet.h> 78188942Sthompsa#include <dev/usb/net/if_udavreg.h> 79184610Salfred 80184610Salfred/* prototypes */ 81184610Salfred 82184610Salfredstatic device_probe_t udav_probe; 83184610Salfredstatic device_attach_t udav_attach; 84184610Salfredstatic device_detach_t udav_detach; 85184610Salfred 86193045Sthompsastatic usb_callback_t udav_bulk_write_callback; 87193045Sthompsastatic usb_callback_t udav_bulk_read_callback; 88193045Sthompsastatic usb_callback_t udav_intr_callback; 89184610Salfred 90193045Sthompsastatic uether_fn_t udav_attach_post; 91193045Sthompsastatic uether_fn_t udav_init; 92193045Sthompsastatic uether_fn_t udav_stop; 93193045Sthompsastatic uether_fn_t udav_start; 94193045Sthompsastatic uether_fn_t udav_tick; 95193045Sthompsastatic uether_fn_t udav_setmulti; 96193045Sthompsastatic uether_fn_t udav_setpromisc; 97184610Salfred 98188412Sthompsastatic int udav_csr_read(struct udav_softc *, uint16_t, void *, int); 99188412Sthompsastatic int udav_csr_write(struct udav_softc *, uint16_t, void *, int); 100188412Sthompsastatic uint8_t udav_csr_read1(struct udav_softc *, uint16_t); 101188412Sthompsastatic int udav_csr_write1(struct udav_softc *, uint16_t, uint8_t); 102188412Sthompsastatic void udav_reset(struct udav_softc *); 103188412Sthompsastatic int udav_ifmedia_upd(struct ifnet *); 104188412Sthompsastatic void udav_ifmedia_status(struct ifnet *, struct ifmediareq *); 105184610Salfred 106188412Sthompsastatic miibus_readreg_t udav_miibus_readreg; 107188412Sthompsastatic miibus_writereg_t udav_miibus_writereg; 108188412Sthompsastatic miibus_statchg_t udav_miibus_statchg; 109184610Salfred 110192984Sthompsastatic const struct usb_config udav_config[UDAV_N_TRANSFER] = { 111184610Salfred 112187259Sthompsa [UDAV_BULK_DT_WR] = { 113184610Salfred .type = UE_BULK, 114184610Salfred .endpoint = UE_ADDR_ANY, 115184610Salfred .direction = UE_DIR_OUT, 116190734Sthompsa .bufsize = (MCLBYTES + 2), 117190734Sthompsa .flags = {.pipe_bof = 1,.force_short_xfer = 1,}, 118190734Sthompsa .callback = udav_bulk_write_callback, 119190734Sthompsa .timeout = 10000, /* 10 seconds */ 120184610Salfred }, 121184610Salfred 122187259Sthompsa [UDAV_BULK_DT_RD] = { 123184610Salfred .type = UE_BULK, 124184610Salfred .endpoint = UE_ADDR_ANY, 125184610Salfred .direction = UE_DIR_IN, 126190734Sthompsa .bufsize = (MCLBYTES + 3), 127190734Sthompsa .flags = {.pipe_bof = 1,.short_xfer_ok = 1,}, 128190734Sthompsa .callback = udav_bulk_read_callback, 129190734Sthompsa .timeout = 0, /* no timeout */ 130184610Salfred }, 131184610Salfred 132187259Sthompsa [UDAV_INTR_DT_RD] = { 133184610Salfred .type = UE_INTERRUPT, 134184610Salfred .endpoint = UE_ADDR_ANY, 135184610Salfred .direction = UE_DIR_IN, 136190734Sthompsa .flags = {.pipe_bof = 1,.short_xfer_ok = 1,}, 137190734Sthompsa .bufsize = 0, /* use wMaxPacketSize */ 138190734Sthompsa .callback = udav_intr_callback, 139184610Salfred }, 140184610Salfred}; 141184610Salfred 142184610Salfredstatic device_method_t udav_methods[] = { 143184610Salfred /* Device interface */ 144184610Salfred DEVMETHOD(device_probe, udav_probe), 145184610Salfred DEVMETHOD(device_attach, udav_attach), 146184610Salfred DEVMETHOD(device_detach, udav_detach), 147184610Salfred 148184610Salfred /* MII interface */ 149188412Sthompsa DEVMETHOD(miibus_readreg, udav_miibus_readreg), 150188412Sthompsa DEVMETHOD(miibus_writereg, udav_miibus_writereg), 151188412Sthompsa DEVMETHOD(miibus_statchg, udav_miibus_statchg), 152184610Salfred 153227843Smarius DEVMETHOD_END 154184610Salfred}; 155184610Salfred 156184610Salfredstatic driver_t udav_driver = { 157184610Salfred .name = "udav", 158184610Salfred .methods = udav_methods, 159184610Salfred .size = sizeof(struct udav_softc), 160184610Salfred}; 161184610Salfred 162184610Salfredstatic devclass_t udav_devclass; 163184610Salfred 164189275SthompsaDRIVER_MODULE(udav, uhub, udav_driver, udav_devclass, NULL, 0); 165184610SalfredDRIVER_MODULE(miibus, udav, miibus_driver, miibus_devclass, 0, 0); 166188942SthompsaMODULE_DEPEND(udav, uether, 1, 1, 1); 167188942SthompsaMODULE_DEPEND(udav, usb, 1, 1, 1); 168184610SalfredMODULE_DEPEND(udav, ether, 1, 1, 1); 169184610SalfredMODULE_DEPEND(udav, miibus, 1, 1, 1); 170212122SthompsaMODULE_VERSION(udav, 1); 171184610Salfred 172242777Shselaskystatic const struct usb_ether_methods udav_ue_methods = { 173188412Sthompsa .ue_attach_post = udav_attach_post, 174188412Sthompsa .ue_start = udav_start, 175188412Sthompsa .ue_init = udav_init, 176188412Sthompsa .ue_stop = udav_stop, 177188412Sthompsa .ue_tick = udav_tick, 178188412Sthompsa .ue_setmulti = udav_setmulti, 179188412Sthompsa .ue_setpromisc = udav_setpromisc, 180188412Sthompsa .ue_mii_upd = udav_ifmedia_upd, 181188412Sthompsa .ue_mii_sts = udav_ifmedia_status, 182188412Sthompsa}; 183188412Sthompsa 184242777Shselaskystatic const struct usb_ether_methods udav_ue_methods_nophy = { 185242777Shselasky .ue_attach_post = udav_attach_post, 186242777Shselasky .ue_start = udav_start, 187242777Shselasky .ue_init = udav_init, 188242777Shselasky .ue_stop = udav_stop, 189242777Shselasky .ue_setmulti = udav_setmulti, 190242777Shselasky .ue_setpromisc = udav_setpromisc, 191242777Shselasky}; 192242777Shselasky 193207077Sthompsa#ifdef USB_DEBUG 194184610Salfredstatic int udav_debug = 0; 195184610Salfred 196227309Sedstatic SYSCTL_NODE(_hw_usb, OID_AUTO, udav, CTLFLAG_RW, 0, "USB udav"); 197192502SthompsaSYSCTL_INT(_hw_usb_udav, OID_AUTO, debug, CTLFLAG_RW, &udav_debug, 0, 198184610Salfred "Debug level"); 199184610Salfred#endif 200184610Salfred 201188412Sthompsa#define UDAV_SETBIT(sc, reg, x) \ 202188412Sthompsa udav_csr_write1(sc, reg, udav_csr_read1(sc, reg) | (x)) 203184610Salfred 204188412Sthompsa#define UDAV_CLRBIT(sc, reg, x) \ 205188412Sthompsa udav_csr_write1(sc, reg, udav_csr_read1(sc, reg) & ~(x)) 206184610Salfred 207223486Shselaskystatic const STRUCT_USB_HOST_ID udav_devs[] = { 208184610Salfred /* ShanTou DM9601 USB NIC */ 209184610Salfred {USB_VPI(USB_VENDOR_SHANTOU, USB_PRODUCT_SHANTOU_DM9601, 0)}, 210184610Salfred /* ShanTou ST268 USB NIC */ 211184610Salfred {USB_VPI(USB_VENDOR_SHANTOU, USB_PRODUCT_SHANTOU_ST268, 0)}, 212184610Salfred /* Corega USB-TXC */ 213184610Salfred {USB_VPI(USB_VENDOR_COREGA, USB_PRODUCT_COREGA_FETHER_USB_TXC, 0)}, 214218864Shselasky /* ShanTou AMD8515 USB NIC */ 215218864Shselasky {USB_VPI(USB_VENDOR_SHANTOU, USB_PRODUCT_SHANTOU_ADM8515, 0)}, 216218864Shselasky /* Kontron AG USB Ethernet */ 217218864Shselasky {USB_VPI(USB_VENDOR_KONTRON, USB_PRODUCT_KONTRON_DM9601, 0)}, 218238466Srpaulo {USB_VPI(USB_VENDOR_KONTRON, USB_PRODUCT_KONTRON_JP1082, 219238466Srpaulo UDAV_FLAG_NO_PHY)}, 220184610Salfred}; 221184610Salfred 222188412Sthompsastatic void 223192984Sthompsaudav_attach_post(struct usb_ether *ue) 224188412Sthompsa{ 225194228Sthompsa struct udav_softc *sc = uether_getsc(ue); 226188412Sthompsa 227188412Sthompsa /* reset the adapter */ 228188412Sthompsa udav_reset(sc); 229188412Sthompsa 230188412Sthompsa /* Get Ethernet Address */ 231188412Sthompsa udav_csr_read(sc, UDAV_PAR, ue->ue_eaddr, ETHER_ADDR_LEN); 232188412Sthompsa} 233188412Sthompsa 234184610Salfredstatic int 235184610Salfredudav_probe(device_t dev) 236184610Salfred{ 237192984Sthompsa struct usb_attach_arg *uaa = device_get_ivars(dev); 238184610Salfred 239192499Sthompsa if (uaa->usb_mode != USB_MODE_HOST) 240184610Salfred return (ENXIO); 241188412Sthompsa if (uaa->info.bConfigIndex != UDAV_CONFIG_INDEX) 242184610Salfred return (ENXIO); 243188412Sthompsa if (uaa->info.bIfaceIndex != UDAV_IFACE_INDEX) 244184610Salfred return (ENXIO); 245188412Sthompsa 246194228Sthompsa return (usbd_lookup_id_by_uaa(udav_devs, sizeof(udav_devs), uaa)); 247184610Salfred} 248184610Salfred 249184610Salfredstatic int 250184610Salfredudav_attach(device_t dev) 251184610Salfred{ 252192984Sthompsa struct usb_attach_arg *uaa = device_get_ivars(dev); 253184610Salfred struct udav_softc *sc = device_get_softc(dev); 254192984Sthompsa struct usb_ether *ue = &sc->sc_ue; 255184610Salfred uint8_t iface_index; 256188412Sthompsa int error; 257184610Salfred 258184610Salfred sc->sc_flags = USB_GET_DRIVER_INFO(uaa); 259184610Salfred 260194228Sthompsa device_set_usb_desc(dev); 261184610Salfred 262188412Sthompsa mtx_init(&sc->sc_mtx, device_get_nameunit(dev), NULL, MTX_DEF); 263184610Salfred 264184610Salfred iface_index = UDAV_IFACE_INDEX; 265194228Sthompsa error = usbd_transfer_setup(uaa->device, &iface_index, 266187259Sthompsa sc->sc_xfer, udav_config, UDAV_N_TRANSFER, sc, &sc->sc_mtx); 267184610Salfred if (error) { 268199816Sthompsa device_printf(dev, "allocating USB transfers failed\n"); 269184610Salfred goto detach; 270184610Salfred } 271188412Sthompsa 272238466Srpaulo /* 273238466Srpaulo * The JP1082 has an unusable PHY and provides no link information. 274238466Srpaulo */ 275238466Srpaulo if (sc->sc_flags & UDAV_FLAG_NO_PHY) { 276242777Shselasky ue->ue_methods = &udav_ue_methods_nophy; 277238466Srpaulo sc->sc_flags |= UDAV_FLAG_LINK; 278242777Shselasky } else { 279242777Shselasky ue->ue_methods = &udav_ue_methods; 280238466Srpaulo } 281238466Srpaulo 282188412Sthompsa ue->ue_sc = sc; 283188412Sthompsa ue->ue_dev = dev; 284188412Sthompsa ue->ue_udev = uaa->device; 285188412Sthompsa ue->ue_mtx = &sc->sc_mtx; 286188412Sthompsa 287194228Sthompsa error = uether_ifattach(ue); 288184610Salfred if (error) { 289188412Sthompsa device_printf(dev, "could not attach interface\n"); 290184610Salfred goto detach; 291184610Salfred } 292184610Salfred 293184610Salfred return (0); /* success */ 294184610Salfred 295184610Salfreddetach: 296184610Salfred udav_detach(dev); 297184610Salfred return (ENXIO); /* failure */ 298184610Salfred} 299184610Salfred 300184610Salfredstatic int 301184610Salfredudav_detach(device_t dev) 302184610Salfred{ 303184610Salfred struct udav_softc *sc = device_get_softc(dev); 304192984Sthompsa struct usb_ether *ue = &sc->sc_ue; 305184610Salfred 306194228Sthompsa usbd_transfer_unsetup(sc->sc_xfer, UDAV_N_TRANSFER); 307194228Sthompsa uether_ifdetach(ue); 308184610Salfred mtx_destroy(&sc->sc_mtx); 309184610Salfred 310184610Salfred return (0); 311184610Salfred} 312184610Salfred 313184610Salfred#if 0 314188412Sthompsastatic int 315188412Sthompsaudav_mem_read(struct udav_softc *sc, uint16_t offset, void *buf, 316188412Sthompsa int len) 317184610Salfred{ 318192984Sthompsa struct usb_device_request req; 319184610Salfred 320184610Salfred len &= 0xff; 321184610Salfred 322184610Salfred req.bmRequestType = UT_READ_VENDOR_DEVICE; 323184610Salfred req.bRequest = UDAV_REQ_MEM_READ; 324184610Salfred USETW(req.wValue, 0x0000); 325184610Salfred USETW(req.wIndex, offset); 326184610Salfred USETW(req.wLength, len); 327184610Salfred 328194228Sthompsa return (uether_do_request(&sc->sc_ue, &req, buf, 1000)); 329184610Salfred} 330184610Salfred 331188412Sthompsastatic int 332188412Sthompsaudav_mem_write(struct udav_softc *sc, uint16_t offset, void *buf, 333188412Sthompsa int len) 334184610Salfred{ 335192984Sthompsa struct usb_device_request req; 336184610Salfred 337184610Salfred len &= 0xff; 338184610Salfred 339184610Salfred req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 340184610Salfred req.bRequest = UDAV_REQ_MEM_WRITE; 341184610Salfred USETW(req.wValue, 0x0000); 342184610Salfred USETW(req.wIndex, offset); 343184610Salfred USETW(req.wLength, len); 344184610Salfred 345194228Sthompsa return (uether_do_request(&sc->sc_ue, &req, buf, 1000)); 346184610Salfred} 347184610Salfred 348188412Sthompsastatic int 349188412Sthompsaudav_mem_write1(struct udav_softc *sc, uint16_t offset, 350184610Salfred uint8_t ch) 351184610Salfred{ 352192984Sthompsa struct usb_device_request req; 353184610Salfred 354184610Salfred req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 355184610Salfred req.bRequest = UDAV_REQ_MEM_WRITE1; 356184610Salfred USETW(req.wValue, ch); 357184610Salfred USETW(req.wIndex, offset); 358184610Salfred USETW(req.wLength, 0x0000); 359184610Salfred 360194228Sthompsa return (uether_do_request(&sc->sc_ue, &req, NULL, 1000)); 361184610Salfred} 362184610Salfred#endif 363184610Salfred 364188412Sthompsastatic int 365188412Sthompsaudav_csr_read(struct udav_softc *sc, uint16_t offset, void *buf, int len) 366184610Salfred{ 367192984Sthompsa struct usb_device_request req; 368184610Salfred 369184610Salfred len &= 0xff; 370184610Salfred 371184610Salfred req.bmRequestType = UT_READ_VENDOR_DEVICE; 372184610Salfred req.bRequest = UDAV_REQ_REG_READ; 373184610Salfred USETW(req.wValue, 0x0000); 374184610Salfred USETW(req.wIndex, offset); 375184610Salfred USETW(req.wLength, len); 376184610Salfred 377194228Sthompsa return (uether_do_request(&sc->sc_ue, &req, buf, 1000)); 378184610Salfred} 379184610Salfred 380188412Sthompsastatic int 381188412Sthompsaudav_csr_write(struct udav_softc *sc, uint16_t offset, void *buf, int len) 382184610Salfred{ 383192984Sthompsa struct usb_device_request req; 384184610Salfred 385184610Salfred offset &= 0xff; 386184610Salfred len &= 0xff; 387184610Salfred 388184610Salfred req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 389184610Salfred req.bRequest = UDAV_REQ_REG_WRITE; 390184610Salfred USETW(req.wValue, 0x0000); 391184610Salfred USETW(req.wIndex, offset); 392184610Salfred USETW(req.wLength, len); 393184610Salfred 394194228Sthompsa return (uether_do_request(&sc->sc_ue, &req, buf, 1000)); 395184610Salfred} 396184610Salfred 397184610Salfredstatic uint8_t 398188412Sthompsaudav_csr_read1(struct udav_softc *sc, uint16_t offset) 399184610Salfred{ 400184610Salfred uint8_t val; 401184610Salfred 402188412Sthompsa udav_csr_read(sc, offset, &val, 1); 403184610Salfred return (val); 404184610Salfred} 405184610Salfred 406188412Sthompsastatic int 407188412Sthompsaudav_csr_write1(struct udav_softc *sc, uint16_t offset, 408184610Salfred uint8_t ch) 409184610Salfred{ 410192984Sthompsa struct usb_device_request req; 411184610Salfred 412184610Salfred offset &= 0xff; 413184610Salfred 414184610Salfred req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 415184610Salfred req.bRequest = UDAV_REQ_REG_WRITE1; 416184610Salfred USETW(req.wValue, ch); 417184610Salfred USETW(req.wIndex, offset); 418184610Salfred USETW(req.wLength, 0x0000); 419184610Salfred 420194228Sthompsa return (uether_do_request(&sc->sc_ue, &req, NULL, 1000)); 421184610Salfred} 422184610Salfred 423184610Salfredstatic void 424192984Sthompsaudav_init(struct usb_ether *ue) 425184610Salfred{ 426188412Sthompsa struct udav_softc *sc = ue->ue_sc; 427194228Sthompsa struct ifnet *ifp = uether_getifp(&sc->sc_ue); 428184610Salfred 429188412Sthompsa UDAV_LOCK_ASSERT(sc, MA_OWNED); 430184610Salfred 431184610Salfred /* 432184610Salfred * Cancel pending I/O 433184610Salfred */ 434188412Sthompsa udav_stop(ue); 435184610Salfred 436184610Salfred /* set MAC address */ 437188412Sthompsa udav_csr_write(sc, UDAV_PAR, IF_LLADDR(ifp), ETHER_ADDR_LEN); 438184610Salfred 439184610Salfred /* initialize network control register */ 440184610Salfred 441184610Salfred /* disable loopback */ 442188412Sthompsa UDAV_CLRBIT(sc, UDAV_NCR, UDAV_NCR_LBK0 | UDAV_NCR_LBK1); 443184610Salfred 444184610Salfred /* Initialize RX control register */ 445188412Sthompsa UDAV_SETBIT(sc, UDAV_RCR, UDAV_RCR_DIS_LONG | UDAV_RCR_DIS_CRC); 446184610Salfred 447184610Salfred /* load multicast filter and update promiscious mode bit */ 448188412Sthompsa udav_setpromisc(ue); 449184610Salfred 450184610Salfred /* enable RX */ 451188412Sthompsa UDAV_SETBIT(sc, UDAV_RCR, UDAV_RCR_RXEN); 452184610Salfred 453184610Salfred /* clear POWER_DOWN state of internal PHY */ 454188412Sthompsa UDAV_SETBIT(sc, UDAV_GPCR, UDAV_GPCR_GEP_CNTL0); 455188412Sthompsa UDAV_CLRBIT(sc, UDAV_GPR, UDAV_GPR_GEPIO0); 456184610Salfred 457194677Sthompsa usbd_xfer_set_stall(sc->sc_xfer[UDAV_BULK_DT_WR]); 458184610Salfred 459188412Sthompsa ifp->if_drv_flags |= IFF_DRV_RUNNING; 460188412Sthompsa udav_start(ue); 461184610Salfred} 462184610Salfred 463184610Salfredstatic void 464188412Sthompsaudav_reset(struct udav_softc *sc) 465184610Salfred{ 466188412Sthompsa int i; 467184610Salfred 468184610Salfred /* Select PHY */ 469184610Salfred#if 1 470184610Salfred /* 471184610Salfred * XXX: force select internal phy. 472184610Salfred * external phy routines are not tested. 473184610Salfred */ 474188412Sthompsa UDAV_CLRBIT(sc, UDAV_NCR, UDAV_NCR_EXT_PHY); 475184610Salfred#else 476188412Sthompsa if (sc->sc_flags & UDAV_EXT_PHY) 477188412Sthompsa UDAV_SETBIT(sc, UDAV_NCR, UDAV_NCR_EXT_PHY); 478188412Sthompsa else 479188412Sthompsa UDAV_CLRBIT(sc, UDAV_NCR, UDAV_NCR_EXT_PHY); 480184610Salfred#endif 481184610Salfred 482188412Sthompsa UDAV_SETBIT(sc, UDAV_NCR, UDAV_NCR_RST); 483184610Salfred 484188412Sthompsa for (i = 0; i < UDAV_TX_TIMEOUT; i++) { 485188412Sthompsa if (!(udav_csr_read1(sc, UDAV_NCR) & UDAV_NCR_RST)) 486184610Salfred break; 487194228Sthompsa if (uether_pause(&sc->sc_ue, hz / 100)) 488188412Sthompsa break; 489184610Salfred } 490184610Salfred 491194228Sthompsa uether_pause(&sc->sc_ue, hz / 100); 492184610Salfred} 493184610Salfred 494184610Salfred#define UDAV_BITS 6 495184610Salfredstatic void 496192984Sthompsaudav_setmulti(struct usb_ether *ue) 497184610Salfred{ 498188412Sthompsa struct udav_softc *sc = ue->ue_sc; 499194228Sthompsa struct ifnet *ifp = uether_getifp(&sc->sc_ue); 500188412Sthompsa struct ifmultiaddr *ifma; 501188412Sthompsa uint8_t hashtbl[8] = { 0, 0, 0, 0, 0, 0, 0, 0 }; 502188412Sthompsa int h = 0; 503184610Salfred 504188412Sthompsa UDAV_LOCK_ASSERT(sc, MA_OWNED); 505184610Salfred 506188412Sthompsa if (ifp->if_flags & IFF_ALLMULTI || ifp->if_flags & IFF_PROMISC) { 507188412Sthompsa UDAV_SETBIT(sc, UDAV_RCR, UDAV_RCR_ALL|UDAV_RCR_PRMSC); 508188412Sthompsa return; 509188412Sthompsa } 510188412Sthompsa 511188412Sthompsa /* first, zot all the existing hash bits */ 512188412Sthompsa memset(hashtbl, 0x00, sizeof(hashtbl)); 513188412Sthompsa hashtbl[7] |= 0x80; /* broadcast address */ 514188412Sthompsa udav_csr_write(sc, UDAV_MAR, hashtbl, sizeof(hashtbl)); 515188412Sthompsa 516188412Sthompsa /* now program new ones */ 517195049Srwatson if_maddr_rlock(ifp); 518188412Sthompsa TAILQ_FOREACH(ifma, &ifp->if_multiaddrs, ifma_link) 519188412Sthompsa { 520188412Sthompsa if (ifma->ifma_addr->sa_family != AF_LINK) 521188412Sthompsa continue; 522188412Sthompsa h = ether_crc32_be(LLADDR((struct sockaddr_dl *) 523188412Sthompsa ifma->ifma_addr), ETHER_ADDR_LEN) >> 26; 524188412Sthompsa hashtbl[h / 8] |= 1 << (h % 8); 525188412Sthompsa } 526195049Srwatson if_maddr_runlock(ifp); 527188412Sthompsa 528188412Sthompsa /* disable all multicast */ 529188412Sthompsa UDAV_CLRBIT(sc, UDAV_RCR, UDAV_RCR_ALL); 530188412Sthompsa 531188412Sthompsa /* write hash value to the register */ 532188412Sthompsa udav_csr_write(sc, UDAV_MAR, hashtbl, sizeof(hashtbl)); 533184610Salfred} 534184610Salfred 535184610Salfredstatic void 536192984Sthompsaudav_setpromisc(struct usb_ether *ue) 537184610Salfred{ 538188412Sthompsa struct udav_softc *sc = ue->ue_sc; 539194228Sthompsa struct ifnet *ifp = uether_getifp(&sc->sc_ue); 540184610Salfred uint8_t rxmode; 541184610Salfred 542188412Sthompsa rxmode = udav_csr_read1(sc, UDAV_RCR); 543184610Salfred rxmode &= ~(UDAV_RCR_ALL | UDAV_RCR_PRMSC); 544184610Salfred 545188412Sthompsa if (ifp->if_flags & IFF_PROMISC) 546184610Salfred rxmode |= UDAV_RCR_ALL | UDAV_RCR_PRMSC; 547188412Sthompsa else if (ifp->if_flags & IFF_ALLMULTI) 548184610Salfred rxmode |= UDAV_RCR_ALL; 549184610Salfred 550184610Salfred /* write new mode bits */ 551188412Sthompsa udav_csr_write1(sc, UDAV_RCR, rxmode); 552184610Salfred} 553184610Salfred 554184610Salfredstatic void 555192984Sthompsaudav_start(struct usb_ether *ue) 556184610Salfred{ 557188412Sthompsa struct udav_softc *sc = ue->ue_sc; 558184610Salfred 559188412Sthompsa /* 560188412Sthompsa * start the USB transfers, if not already started: 561188412Sthompsa */ 562194228Sthompsa usbd_transfer_start(sc->sc_xfer[UDAV_INTR_DT_RD]); 563194228Sthompsa usbd_transfer_start(sc->sc_xfer[UDAV_BULK_DT_RD]); 564194228Sthompsa usbd_transfer_start(sc->sc_xfer[UDAV_BULK_DT_WR]); 565184610Salfred} 566184610Salfred 567184610Salfredstatic void 568194677Sthompsaudav_bulk_write_callback(struct usb_xfer *xfer, usb_error_t error) 569184610Salfred{ 570194677Sthompsa struct udav_softc *sc = usbd_xfer_softc(xfer); 571194228Sthompsa struct ifnet *ifp = uether_getifp(&sc->sc_ue); 572194677Sthompsa struct usb_page_cache *pc; 573184610Salfred struct mbuf *m; 574188412Sthompsa int extra_len; 575188412Sthompsa int temp_len; 576184610Salfred uint8_t buf[2]; 577184610Salfred 578184610Salfred switch (USB_GET_STATE(xfer)) { 579184610Salfred case USB_ST_TRANSFERRED: 580184610Salfred DPRINTFN(11, "transfer complete\n"); 581184610Salfred ifp->if_opackets++; 582184610Salfred 583188412Sthompsa /* FALLTHROUGH */ 584184610Salfred case USB_ST_SETUP: 585188412Sthompsatr_setup: 586188412Sthompsa if ((sc->sc_flags & UDAV_FLAG_LINK) == 0) { 587184610Salfred /* 588184610Salfred * don't send anything if there is no link ! 589184610Salfred */ 590188412Sthompsa return; 591184610Salfred } 592184610Salfred IFQ_DRV_DEQUEUE(&ifp->if_snd, m); 593184610Salfred 594188412Sthompsa if (m == NULL) 595188412Sthompsa return; 596188412Sthompsa if (m->m_pkthdr.len > MCLBYTES) 597184610Salfred m->m_pkthdr.len = MCLBYTES; 598184610Salfred if (m->m_pkthdr.len < UDAV_MIN_FRAME_LEN) { 599184610Salfred extra_len = UDAV_MIN_FRAME_LEN - m->m_pkthdr.len; 600184610Salfred } else { 601184610Salfred extra_len = 0; 602184610Salfred } 603184610Salfred 604184610Salfred temp_len = (m->m_pkthdr.len + extra_len); 605184610Salfred 606184610Salfred /* 607184610Salfred * the frame length is specified in the first 2 bytes of the 608184610Salfred * buffer 609184610Salfred */ 610184610Salfred buf[0] = (uint8_t)(temp_len); 611184610Salfred buf[1] = (uint8_t)(temp_len >> 8); 612184610Salfred 613184610Salfred temp_len += 2; 614184610Salfred 615194677Sthompsa pc = usbd_xfer_get_frame(xfer, 0); 616194677Sthompsa usbd_copy_in(pc, 0, buf, 2); 617194677Sthompsa usbd_m_copy_in(pc, 2, m, 0, m->m_pkthdr.len); 618184610Salfred 619194677Sthompsa if (extra_len) 620194677Sthompsa usbd_frame_zero(pc, temp_len - extra_len, extra_len); 621184610Salfred /* 622184610Salfred * if there's a BPF listener, bounce a copy 623184610Salfred * of this frame to him: 624184610Salfred */ 625184610Salfred BPF_MTAP(ifp, m); 626184610Salfred 627184610Salfred m_freem(m); 628184610Salfred 629194677Sthompsa usbd_xfer_set_frame_len(xfer, 0, temp_len); 630194228Sthompsa usbd_transfer_submit(xfer); 631184610Salfred return; 632184610Salfred 633184610Salfred default: /* Error */ 634184610Salfred DPRINTFN(11, "transfer error, %s\n", 635194677Sthompsa usbd_errstr(error)); 636184610Salfred 637188412Sthompsa ifp->if_oerrors++; 638188412Sthompsa 639194677Sthompsa if (error != USB_ERR_CANCELLED) { 640184610Salfred /* try to clear stall first */ 641194677Sthompsa usbd_xfer_set_stall(xfer); 642188412Sthompsa goto tr_setup; 643184610Salfred } 644184610Salfred return; 645184610Salfred } 646184610Salfred} 647184610Salfred 648184610Salfredstatic void 649194677Sthompsaudav_bulk_read_callback(struct usb_xfer *xfer, usb_error_t error) 650184610Salfred{ 651194677Sthompsa struct udav_softc *sc = usbd_xfer_softc(xfer); 652192984Sthompsa struct usb_ether *ue = &sc->sc_ue; 653194228Sthompsa struct ifnet *ifp = uether_getifp(ue); 654194677Sthompsa struct usb_page_cache *pc; 655188412Sthompsa struct udav_rxpkt stat; 656188412Sthompsa int len; 657194677Sthompsa int actlen; 658184610Salfred 659194677Sthompsa usbd_xfer_status(xfer, &actlen, NULL, NULL, NULL); 660194677Sthompsa 661184610Salfred switch (USB_GET_STATE(xfer)) { 662184610Salfred case USB_ST_TRANSFERRED: 663184610Salfred 664233774Shselasky if (actlen < (int)(sizeof(stat) + ETHER_CRC_LEN)) { 665184610Salfred ifp->if_ierrors++; 666184610Salfred goto tr_setup; 667184610Salfred } 668194677Sthompsa pc = usbd_xfer_get_frame(xfer, 0); 669194677Sthompsa usbd_copy_out(pc, 0, &stat, sizeof(stat)); 670194677Sthompsa actlen -= sizeof(stat); 671194677Sthompsa len = min(actlen, le16toh(stat.pktlen)); 672188412Sthompsa len -= ETHER_CRC_LEN; 673184610Salfred 674188412Sthompsa if (stat.rxstat & UDAV_RSR_LCS) { 675184610Salfred ifp->if_collisions++; 676184610Salfred goto tr_setup; 677184610Salfred } 678188412Sthompsa if (stat.rxstat & UDAV_RSR_ERR) { 679184610Salfred ifp->if_ierrors++; 680184610Salfred goto tr_setup; 681184610Salfred } 682194677Sthompsa uether_rxbuf(ue, pc, sizeof(stat), len); 683188412Sthompsa /* FALLTHROUGH */ 684184610Salfred case USB_ST_SETUP: 685184610Salfredtr_setup: 686194677Sthompsa usbd_xfer_set_frame_len(xfer, 0, usbd_xfer_max_len(xfer)); 687194228Sthompsa usbd_transfer_submit(xfer); 688194228Sthompsa uether_rxflush(ue); 689184610Salfred return; 690184610Salfred 691184610Salfred default: /* Error */ 692188412Sthompsa DPRINTF("bulk read error, %s\n", 693194677Sthompsa usbd_errstr(error)); 694188412Sthompsa 695194677Sthompsa if (error != USB_ERR_CANCELLED) { 696184610Salfred /* try to clear stall first */ 697194677Sthompsa usbd_xfer_set_stall(xfer); 698188412Sthompsa goto tr_setup; 699184610Salfred } 700184610Salfred return; 701184610Salfred } 702184610Salfred} 703184610Salfred 704184610Salfredstatic void 705194677Sthompsaudav_intr_callback(struct usb_xfer *xfer, usb_error_t error) 706184610Salfred{ 707184610Salfred switch (USB_GET_STATE(xfer)) { 708184610Salfred case USB_ST_TRANSFERRED: 709184610Salfred case USB_ST_SETUP: 710188412Sthompsatr_setup: 711194677Sthompsa usbd_xfer_set_frame_len(xfer, 0, usbd_xfer_max_len(xfer)); 712194228Sthompsa usbd_transfer_submit(xfer); 713184610Salfred return; 714184610Salfred 715184610Salfred default: /* Error */ 716194677Sthompsa if (error != USB_ERR_CANCELLED) { 717188412Sthompsa /* try to clear stall first */ 718194677Sthompsa usbd_xfer_set_stall(xfer); 719188412Sthompsa goto tr_setup; 720184610Salfred } 721184610Salfred return; 722184610Salfred } 723184610Salfred} 724184610Salfred 725184610Salfredstatic void 726192984Sthompsaudav_stop(struct usb_ether *ue) 727184610Salfred{ 728188412Sthompsa struct udav_softc *sc = ue->ue_sc; 729194228Sthompsa struct ifnet *ifp = uether_getifp(&sc->sc_ue); 730184610Salfred 731188412Sthompsa UDAV_LOCK_ASSERT(sc, MA_OWNED); 732184610Salfred 733188412Sthompsa ifp->if_drv_flags &= ~IFF_DRV_RUNNING; 734238466Srpaulo if (!(sc->sc_flags & UDAV_FLAG_NO_PHY)) 735238466Srpaulo sc->sc_flags &= ~UDAV_FLAG_LINK; 736184610Salfred 737184610Salfred /* 738184610Salfred * stop all the transfers, if not already stopped: 739184610Salfred */ 740194228Sthompsa usbd_transfer_stop(sc->sc_xfer[UDAV_BULK_DT_WR]); 741194228Sthompsa usbd_transfer_stop(sc->sc_xfer[UDAV_BULK_DT_RD]); 742194228Sthompsa usbd_transfer_stop(sc->sc_xfer[UDAV_INTR_DT_RD]); 743184610Salfred 744188412Sthompsa udav_reset(sc); 745184610Salfred} 746184610Salfred 747184610Salfredstatic int 748188412Sthompsaudav_ifmedia_upd(struct ifnet *ifp) 749184610Salfred{ 750184610Salfred struct udav_softc *sc = ifp->if_softc; 751184610Salfred struct mii_data *mii = GET_MII(sc); 752221407Smarius struct mii_softc *miisc; 753251734Skevlo int error; 754184610Salfred 755188412Sthompsa UDAV_LOCK_ASSERT(sc, MA_OWNED); 756184610Salfred 757188412Sthompsa sc->sc_flags &= ~UDAV_FLAG_LINK; 758221407Smarius LIST_FOREACH(miisc, &mii->mii_phys, mii_list) 759221407Smarius PHY_RESET(miisc); 760251734Skevlo error = mii_mediachg(mii); 761251734Skevlo return (error); 762184610Salfred} 763184610Salfred 764184610Salfredstatic void 765188412Sthompsaudav_ifmedia_status(struct ifnet *ifp, struct ifmediareq *ifmr) 766184610Salfred{ 767184610Salfred struct udav_softc *sc = ifp->if_softc; 768188412Sthompsa struct mii_data *mii = GET_MII(sc); 769184610Salfred 770188412Sthompsa UDAV_LOCK(sc); 771188412Sthompsa mii_pollstat(mii); 772188412Sthompsa ifmr->ifm_active = mii->mii_media_active; 773188412Sthompsa ifmr->ifm_status = mii->mii_media_status; 774226479Syongari UDAV_UNLOCK(sc); 775184610Salfred} 776184610Salfred 777184610Salfredstatic void 778192984Sthompsaudav_tick(struct usb_ether *ue) 779184610Salfred{ 780188412Sthompsa struct udav_softc *sc = ue->ue_sc; 781184610Salfred struct mii_data *mii = GET_MII(sc); 782184610Salfred 783188412Sthompsa UDAV_LOCK_ASSERT(sc, MA_OWNED); 784188412Sthompsa 785184610Salfred mii_tick(mii); 786188412Sthompsa if ((sc->sc_flags & UDAV_FLAG_LINK) == 0 787188412Sthompsa && mii->mii_media_status & IFM_ACTIVE && 788188412Sthompsa IFM_SUBTYPE(mii->mii_media_active) != IFM_NONE) { 789188412Sthompsa sc->sc_flags |= UDAV_FLAG_LINK; 790188412Sthompsa udav_start(ue); 791184610Salfred } 792184610Salfred} 793184610Salfred 794184610Salfredstatic int 795188412Sthompsaudav_miibus_readreg(device_t dev, int phy, int reg) 796184610Salfred{ 797184610Salfred struct udav_softc *sc = device_get_softc(dev); 798184610Salfred uint16_t data16; 799184610Salfred uint8_t val[2]; 800188412Sthompsa int locked; 801184610Salfred 802184610Salfred /* XXX: one PHY only for the internal PHY */ 803188412Sthompsa if (phy != 0) 804184610Salfred return (0); 805184610Salfred 806188412Sthompsa locked = mtx_owned(&sc->sc_mtx); 807188412Sthompsa if (!locked) 808188412Sthompsa UDAV_LOCK(sc); 809188412Sthompsa 810184610Salfred /* select internal PHY and set PHY register address */ 811188412Sthompsa udav_csr_write1(sc, UDAV_EPAR, 812184610Salfred UDAV_EPAR_PHY_ADR0 | (reg & UDAV_EPAR_EROA_MASK)); 813184610Salfred 814184610Salfred /* select PHY operation and start read command */ 815188412Sthompsa udav_csr_write1(sc, UDAV_EPCR, UDAV_EPCR_EPOS | UDAV_EPCR_ERPRR); 816184610Salfred 817184610Salfred /* XXX: should we wait? */ 818184610Salfred 819184610Salfred /* end read command */ 820188412Sthompsa UDAV_CLRBIT(sc, UDAV_EPCR, UDAV_EPCR_ERPRR); 821184610Salfred 822184610Salfred /* retrieve the result from data registers */ 823188412Sthompsa udav_csr_read(sc, UDAV_EPDRL, val, 2); 824184610Salfred 825184610Salfred data16 = (val[0] | (val[1] << 8)); 826184610Salfred 827184610Salfred DPRINTFN(11, "phy=%d reg=0x%04x => 0x%04x\n", 828184610Salfred phy, reg, data16); 829184610Salfred 830188412Sthompsa if (!locked) 831188412Sthompsa UDAV_UNLOCK(sc); 832184610Salfred return (data16); 833184610Salfred} 834184610Salfred 835184610Salfredstatic int 836188412Sthompsaudav_miibus_writereg(device_t dev, int phy, int reg, int data) 837184610Salfred{ 838184610Salfred struct udav_softc *sc = device_get_softc(dev); 839184610Salfred uint8_t val[2]; 840188412Sthompsa int locked; 841184610Salfred 842184610Salfred /* XXX: one PHY only for the internal PHY */ 843188412Sthompsa if (phy != 0) 844184610Salfred return (0); 845184610Salfred 846188412Sthompsa locked = mtx_owned(&sc->sc_mtx); 847188412Sthompsa if (!locked) 848188412Sthompsa UDAV_LOCK(sc); 849188412Sthompsa 850184610Salfred /* select internal PHY and set PHY register address */ 851188412Sthompsa udav_csr_write1(sc, UDAV_EPAR, 852184610Salfred UDAV_EPAR_PHY_ADR0 | (reg & UDAV_EPAR_EROA_MASK)); 853184610Salfred 854184610Salfred /* put the value to the data registers */ 855184610Salfred val[0] = (data & 0xff); 856184610Salfred val[1] = (data >> 8) & 0xff; 857188412Sthompsa udav_csr_write(sc, UDAV_EPDRL, val, 2); 858184610Salfred 859184610Salfred /* select PHY operation and start write command */ 860188412Sthompsa udav_csr_write1(sc, UDAV_EPCR, UDAV_EPCR_EPOS | UDAV_EPCR_ERPRW); 861184610Salfred 862184610Salfred /* XXX: should we wait? */ 863184610Salfred 864184610Salfred /* end write command */ 865188412Sthompsa UDAV_CLRBIT(sc, UDAV_EPCR, UDAV_EPCR_ERPRW); 866184610Salfred 867188412Sthompsa if (!locked) 868188412Sthompsa UDAV_UNLOCK(sc); 869184610Salfred return (0); 870184610Salfred} 871184610Salfred 872184610Salfredstatic void 873188412Sthompsaudav_miibus_statchg(device_t dev) 874184610Salfred{ 875184610Salfred /* nothing to do */ 876184610Salfred} 877