diff options
Diffstat (limited to 'sys/dev/usb/net/if_aue.c')
| -rw-r--r-- | sys/dev/usb/net/if_aue.c | 1054 |
1 files changed, 1054 insertions, 0 deletions
diff --git a/sys/dev/usb/net/if_aue.c b/sys/dev/usb/net/if_aue.c new file mode 100644 index 0000000..026fa7c --- /dev/null +++ b/sys/dev/usb/net/if_aue.c @@ -0,0 +1,1054 @@ +/*- + * Copyright (c) 1997, 1998, 1999, 2000 + * Bill Paul <wpaul@ee.columbia.edu>. All rights reserved. + * + * Copyright (c) 2006 + * Alfred Perlstein <alfred@freebsd.org>. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by Bill Paul. + * 4. Neither the name of the author nor the names of any co-contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY Bill Paul AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL Bill Paul OR THE VOICES IN HIS HEAD + * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF + * THE POSSIBILITY OF SUCH DAMAGE. + */ + +#include <sys/cdefs.h> +__FBSDID("$FreeBSD$"); + +/* + * ADMtek AN986 Pegasus and AN8511 Pegasus II USB to ethernet driver. + * Datasheet is available from http://www.admtek.com.tw. + * + * Written by Bill Paul <wpaul@ee.columbia.edu> + * Electrical Engineering Department + * Columbia University, New York City + * + * SMP locking by Alfred Perlstein <alfred@freebsd.org>. + * RED Inc. + */ + +/* + * The Pegasus chip uses four USB "endpoints" to provide 10/100 ethernet + * support: the control endpoint for reading/writing registers, burst + * read endpoint for packet reception, burst write for packet transmission + * and one for "interrupts." The chip uses the same RX filter scheme + * as the other ADMtek ethernet parts: one perfect filter entry for the + * the station address and a 64-bit multicast hash table. The chip supports + * both MII and HomePNA attachments. + * + * Since the maximum data transfer speed of USB is supposed to be 12Mbps, + * you're never really going to get 100Mbps speeds from this device. I + * think the idea is to allow the device to connect to 10 or 100Mbps + * networks, not necessarily to provide 100Mbps performance. Also, since + * the controller uses an external PHY chip, it's possible that board + * designers might simply choose a 10Mbps PHY. + * + * Registers are accessed using usb2_ether_do_request(). Packet + * transfers are done using usb2_transfer() and friends. + */ + +#include "usbdevs.h" +#include <dev/usb/usb.h> +#include <dev/usb/usb_mfunc.h> +#include <dev/usb/usb_error.h> + +#define USB_DEBUG_VAR aue_debug + +#include <dev/usb/usb_core.h> +#include <dev/usb/usb_lookup.h> +#include <dev/usb/usb_process.h> +#include <dev/usb/usb_debug.h> +#include <dev/usb/usb_request.h> +#include <dev/usb/usb_busdma.h> +#include <dev/usb/usb_util.h> + +#include <dev/usb/net/usb_ethernet.h> +#include <dev/usb/net/if_auereg.h> + +#if USB_DEBUG +static int aue_debug = 0; + +SYSCTL_NODE(_hw_usb2, OID_AUTO, aue, CTLFLAG_RW, 0, "USB aue"); +SYSCTL_INT(_hw_usb2_aue, OID_AUTO, debug, CTLFLAG_RW, &aue_debug, 0, + "Debug level"); +#endif + +/* + * Various supported device vendors/products. + */ +static const struct usb2_device_id aue_devs[] = { + {USB_VPI(USB_VENDOR_3COM, USB_PRODUCT_3COM_3C460B, AUE_FLAG_PII)}, + {USB_VPI(USB_VENDOR_ABOCOM, USB_PRODUCT_ABOCOM_DSB650TX_PNA, 0)}, + {USB_VPI(USB_VENDOR_ABOCOM, USB_PRODUCT_ABOCOM_UFE1000, AUE_FLAG_LSYS)}, + {USB_VPI(USB_VENDOR_ABOCOM, USB_PRODUCT_ABOCOM_XX10, 0)}, + {USB_VPI(USB_VENDOR_ABOCOM, USB_PRODUCT_ABOCOM_XX1, AUE_FLAG_PNA | AUE_FLAG_PII)}, + {USB_VPI(USB_VENDOR_ABOCOM, USB_PRODUCT_ABOCOM_XX2, AUE_FLAG_PII)}, + {USB_VPI(USB_VENDOR_ABOCOM, USB_PRODUCT_ABOCOM_XX4, AUE_FLAG_PNA)}, + {USB_VPI(USB_VENDOR_ABOCOM, USB_PRODUCT_ABOCOM_XX5, AUE_FLAG_PNA)}, + {USB_VPI(USB_VENDOR_ABOCOM, USB_PRODUCT_ABOCOM_XX6, AUE_FLAG_PII)}, + {USB_VPI(USB_VENDOR_ABOCOM, USB_PRODUCT_ABOCOM_XX7, AUE_FLAG_PII)}, + {USB_VPI(USB_VENDOR_ABOCOM, USB_PRODUCT_ABOCOM_XX8, AUE_FLAG_PII)}, + {USB_VPI(USB_VENDOR_ABOCOM, USB_PRODUCT_ABOCOM_XX9, AUE_FLAG_PNA)}, + {USB_VPI(USB_VENDOR_ACCTON, USB_PRODUCT_ACCTON_SS1001, AUE_FLAG_PII)}, + {USB_VPI(USB_VENDOR_ACCTON, USB_PRODUCT_ACCTON_USB320_EC, 0)}, + {USB_VPI(USB_VENDOR_ADMTEK, USB_PRODUCT_ADMTEK_PEGASUSII_2, AUE_FLAG_PII)}, + {USB_VPI(USB_VENDOR_ADMTEK, USB_PRODUCT_ADMTEK_PEGASUSII_3, AUE_FLAG_PII)}, + {USB_VPI(USB_VENDOR_ADMTEK, USB_PRODUCT_ADMTEK_PEGASUSII_4, AUE_FLAG_PII)}, + {USB_VPI(USB_VENDOR_ADMTEK, USB_PRODUCT_ADMTEK_PEGASUSII, AUE_FLAG_PII)}, + {USB_VPI(USB_VENDOR_ADMTEK, USB_PRODUCT_ADMTEK_PEGASUS, AUE_FLAG_PNA | AUE_FLAG_DUAL_PHY)}, + {USB_VPI(USB_VENDOR_AEI, USB_PRODUCT_AEI_FASTETHERNET, AUE_FLAG_PII)}, + {USB_VPI(USB_VENDOR_ALLIEDTELESYN, USB_PRODUCT_ALLIEDTELESYN_ATUSB100, AUE_FLAG_PII)}, + {USB_VPI(USB_VENDOR_ATEN, USB_PRODUCT_ATEN_UC110T, AUE_FLAG_PII)}, + {USB_VPI(USB_VENDOR_BELKIN, USB_PRODUCT_BELKIN_USB2LAN, AUE_FLAG_PII)}, + {USB_VPI(USB_VENDOR_BILLIONTON, USB_PRODUCT_BILLIONTON_USB100, 0)}, + {USB_VPI(USB_VENDOR_BILLIONTON, USB_PRODUCT_BILLIONTON_USBE100, AUE_FLAG_PII)}, + {USB_VPI(USB_VENDOR_BILLIONTON, USB_PRODUCT_BILLIONTON_USBEL100, 0)}, + {USB_VPI(USB_VENDOR_BILLIONTON, USB_PRODUCT_BILLIONTON_USBLP100, AUE_FLAG_PNA)}, + {USB_VPI(USB_VENDOR_COREGA, USB_PRODUCT_COREGA_FETHER_USB_TXS, AUE_FLAG_PII)}, + {USB_VPI(USB_VENDOR_COREGA, USB_PRODUCT_COREGA_FETHER_USB_TX, 0)}, + {USB_VPI(USB_VENDOR_DLINK, USB_PRODUCT_DLINK_DSB650TX1, AUE_FLAG_LSYS)}, + {USB_VPI(USB_VENDOR_DLINK, USB_PRODUCT_DLINK_DSB650TX2, AUE_FLAG_LSYS | AUE_FLAG_PII)}, + {USB_VPI(USB_VENDOR_DLINK, USB_PRODUCT_DLINK_DSB650TX3, AUE_FLAG_LSYS | AUE_FLAG_PII)}, + {USB_VPI(USB_VENDOR_DLINK, USB_PRODUCT_DLINK_DSB650TX4, AUE_FLAG_LSYS | AUE_FLAG_PII)}, + {USB_VPI(USB_VENDOR_DLINK, USB_PRODUCT_DLINK_DSB650TX_PNA, AUE_FLAG_PNA)}, + {USB_VPI(USB_VENDOR_DLINK, USB_PRODUCT_DLINK_DSB650TX, AUE_FLAG_LSYS)}, + {USB_VPI(USB_VENDOR_DLINK, USB_PRODUCT_DLINK_DSB650, AUE_FLAG_LSYS)}, + {USB_VPI(USB_VENDOR_ELCON, USB_PRODUCT_ELCON_PLAN, AUE_FLAG_PNA | AUE_FLAG_PII)}, + {USB_VPI(USB_VENDOR_ELECOM, USB_PRODUCT_ELECOM_LDUSB20, AUE_FLAG_PII)}, + {USB_VPI(USB_VENDOR_ELECOM, USB_PRODUCT_ELECOM_LDUSBLTX, AUE_FLAG_PII)}, + {USB_VPI(USB_VENDOR_ELECOM, USB_PRODUCT_ELECOM_LDUSBTX0, 0)}, + {USB_VPI(USB_VENDOR_ELECOM, USB_PRODUCT_ELECOM_LDUSBTX1, AUE_FLAG_LSYS)}, + {USB_VPI(USB_VENDOR_ELECOM, USB_PRODUCT_ELECOM_LDUSBTX2, 0)}, + {USB_VPI(USB_VENDOR_ELECOM, USB_PRODUCT_ELECOM_LDUSBTX3, AUE_FLAG_LSYS)}, + {USB_VPI(USB_VENDOR_ELSA, USB_PRODUCT_ELSA_USB2ETHERNET, 0)}, + {USB_VPI(USB_VENDOR_GIGABYTE, USB_PRODUCT_GIGABYTE_GNBR402W, 0)}, + {USB_VPI(USB_VENDOR_HAWKING, USB_PRODUCT_HAWKING_UF100, AUE_FLAG_PII)}, + {USB_VPI(USB_VENDOR_HP, USB_PRODUCT_HP_HN210E, AUE_FLAG_PII)}, + {USB_VPI(USB_VENDOR_IODATA, USB_PRODUCT_IODATA_USBETTXS, AUE_FLAG_PII)}, + {USB_VPI(USB_VENDOR_IODATA, USB_PRODUCT_IODATA_USBETTX, 0)}, + {USB_VPI(USB_VENDOR_KINGSTON, USB_PRODUCT_KINGSTON_KNU101TX, 0)}, + {USB_VPI(USB_VENDOR_LINKSYS, USB_PRODUCT_LINKSYS_USB100H1, AUE_FLAG_LSYS | AUE_FLAG_PNA)}, + {USB_VPI(USB_VENDOR_LINKSYS, USB_PRODUCT_LINKSYS_USB100TX, AUE_FLAG_LSYS)}, + {USB_VPI(USB_VENDOR_LINKSYS, USB_PRODUCT_LINKSYS_USB10TA, AUE_FLAG_LSYS)}, + {USB_VPI(USB_VENDOR_LINKSYS, USB_PRODUCT_LINKSYS_USB10TX1, AUE_FLAG_LSYS | AUE_FLAG_PII)}, + {USB_VPI(USB_VENDOR_LINKSYS, USB_PRODUCT_LINKSYS_USB10TX2, AUE_FLAG_LSYS | AUE_FLAG_PII)}, + {USB_VPI(USB_VENDOR_LINKSYS, USB_PRODUCT_LINKSYS_USB10T, AUE_FLAG_LSYS)}, + {USB_VPI(USB_VENDOR_MELCO, USB_PRODUCT_MELCO_LUA2TX5, AUE_FLAG_PII)}, + {USB_VPI(USB_VENDOR_MELCO, USB_PRODUCT_MELCO_LUATX1, 0)}, + {USB_VPI(USB_VENDOR_MELCO, USB_PRODUCT_MELCO_LUATX5, 0)}, + {USB_VPI(USB_VENDOR_MICROSOFT, USB_PRODUCT_MICROSOFT_MN110, AUE_FLAG_PII)}, + {USB_VPI(USB_VENDOR_NETGEAR, USB_PRODUCT_NETGEAR_FA101, AUE_FLAG_PII)}, + {USB_VPI(USB_VENDOR_SIEMENS, USB_PRODUCT_SIEMENS_SPEEDSTREAM, AUE_FLAG_PII)}, + {USB_VPI(USB_VENDOR_SIIG2, USB_PRODUCT_SIIG2_USBTOETHER, AUE_FLAG_PII)}, + {USB_VPI(USB_VENDOR_SMARTBRIDGES, USB_PRODUCT_SMARTBRIDGES_SMARTNIC, AUE_FLAG_PII)}, + {USB_VPI(USB_VENDOR_SMC, USB_PRODUCT_SMC_2202USB, 0)}, + {USB_VPI(USB_VENDOR_SMC, USB_PRODUCT_SMC_2206USB, AUE_FLAG_PII)}, + {USB_VPI(USB_VENDOR_SOHOWARE, USB_PRODUCT_SOHOWARE_NUB100, 0)}, + {USB_VPI(USB_VENDOR_SOHOWARE, USB_PRODUCT_SOHOWARE_NUB110, AUE_FLAG_PII)}, +}; + +/* prototypes */ + +static device_probe_t aue_probe; +static device_attach_t aue_attach; +static device_detach_t aue_detach; +static device_shutdown_t aue_shutdown; +static miibus_readreg_t aue_miibus_readreg; +static miibus_writereg_t aue_miibus_writereg; +static miibus_statchg_t aue_miibus_statchg; + +static usb2_callback_t aue_intr_callback; +static usb2_callback_t aue_bulk_read_callback; +static usb2_callback_t aue_bulk_write_callback; + +static usb2_ether_fn_t aue_attach_post; +static usb2_ether_fn_t aue_init; +static usb2_ether_fn_t aue_stop; +static usb2_ether_fn_t aue_start; +static usb2_ether_fn_t aue_tick; +static usb2_ether_fn_t aue_setmulti; +static usb2_ether_fn_t aue_setpromisc; + +static uint8_t aue_csr_read_1(struct aue_softc *, uint16_t); +static uint16_t aue_csr_read_2(struct aue_softc *, uint16_t); +static void aue_csr_write_1(struct aue_softc *, uint16_t, uint8_t); +static void aue_csr_write_2(struct aue_softc *, uint16_t, uint16_t); +static void aue_eeprom_getword(struct aue_softc *, int, uint16_t *); +static void aue_read_eeprom(struct aue_softc *, uint8_t *, uint16_t, + uint16_t); +static void aue_reset(struct aue_softc *); +static void aue_reset_pegasus_II(struct aue_softc *); + +static int aue_ifmedia_upd(struct ifnet *); +static void aue_ifmedia_sts(struct ifnet *, struct ifmediareq *); + +static const struct usb2_config aue_config[AUE_N_TRANSFER] = { + + [AUE_BULK_DT_WR] = { + .type = UE_BULK, + .endpoint = UE_ADDR_ANY, + .direction = UE_DIR_OUT, + .mh.bufsize = (MCLBYTES + 2), + .mh.flags = {.pipe_bof = 1,.force_short_xfer = 1,}, + .mh.callback = aue_bulk_write_callback, + .mh.timeout = 10000, /* 10 seconds */ + }, + + [AUE_BULK_DT_RD] = { + .type = UE_BULK, + .endpoint = UE_ADDR_ANY, + .direction = UE_DIR_IN, + .mh.bufsize = (MCLBYTES + 4 + ETHER_CRC_LEN), + .mh.flags = {.pipe_bof = 1,.short_xfer_ok = 1,}, + .mh.callback = aue_bulk_read_callback, + }, + + [AUE_INTR_DT_RD] = { + .type = UE_INTERRUPT, + .endpoint = UE_ADDR_ANY, + .direction = UE_DIR_IN, + .mh.flags = {.pipe_bof = 1,.short_xfer_ok = 1,}, + .mh.bufsize = 0, /* use wMaxPacketSize */ + .mh.callback = aue_intr_callback, + }, +}; + +static device_method_t aue_methods[] = { + /* Device interface */ + DEVMETHOD(device_probe, aue_probe), + DEVMETHOD(device_attach, aue_attach), + DEVMETHOD(device_detach, aue_detach), + DEVMETHOD(device_shutdown, aue_shutdown), + + /* bus interface */ + DEVMETHOD(bus_print_child, bus_generic_print_child), + DEVMETHOD(bus_driver_added, bus_generic_driver_added), + + /* MII interface */ + DEVMETHOD(miibus_readreg, aue_miibus_readreg), + DEVMETHOD(miibus_writereg, aue_miibus_writereg), + DEVMETHOD(miibus_statchg, aue_miibus_statchg), + + {0, 0} +}; + +static driver_t aue_driver = { + .name = "aue", + .methods = aue_methods, + .size = sizeof(struct aue_softc) +}; + +static devclass_t aue_devclass; + +DRIVER_MODULE(aue, ushub, aue_driver, aue_devclass, NULL, 0); +DRIVER_MODULE(miibus, aue, miibus_driver, miibus_devclass, 0, 0); +MODULE_DEPEND(aue, uether, 1, 1, 1); +MODULE_DEPEND(aue, usb, 1, 1, 1); +MODULE_DEPEND(aue, ether, 1, 1, 1); +MODULE_DEPEND(aue, miibus, 1, 1, 1); + +static const struct usb2_ether_methods aue_ue_methods = { + .ue_attach_post = aue_attach_post, + .ue_start = aue_start, + .ue_init = aue_init, + .ue_stop = aue_stop, + .ue_tick = aue_tick, + .ue_setmulti = aue_setmulti, + .ue_setpromisc = aue_setpromisc, + .ue_mii_upd = aue_ifmedia_upd, + .ue_mii_sts = aue_ifmedia_sts, +}; + +#define AUE_SETBIT(sc, reg, x) \ + aue_csr_write_1(sc, reg, aue_csr_read_1(sc, reg) | (x)) + +#define AUE_CLRBIT(sc, reg, x) \ + aue_csr_write_1(sc, reg, aue_csr_read_1(sc, reg) & ~(x)) + +static uint8_t +aue_csr_read_1(struct aue_softc *sc, uint16_t reg) +{ + struct usb2_device_request req; + usb2_error_t err; + uint8_t val; + + req.bmRequestType = UT_READ_VENDOR_DEVICE; + req.bRequest = AUE_UR_READREG; + USETW(req.wValue, 0); + USETW(req.wIndex, reg); + USETW(req.wLength, 1); + + err = usb2_ether_do_request(&sc->sc_ue, &req, &val, 1000); + if (err) + return (0); + return (val); +} + +static uint16_t +aue_csr_read_2(struct aue_softc *sc, uint16_t reg) +{ + struct usb2_device_request req; + usb2_error_t err; + uint16_t val; + + req.bmRequestType = UT_READ_VENDOR_DEVICE; + req.bRequest = AUE_UR_READREG; + USETW(req.wValue, 0); + USETW(req.wIndex, reg); + USETW(req.wLength, 2); + + err = usb2_ether_do_request(&sc->sc_ue, &req, &val, 1000); + if (err) + return (0); + return (le16toh(val)); +} + +static void +aue_csr_write_1(struct aue_softc *sc, uint16_t reg, uint8_t val) +{ + struct usb2_device_request req; + + req.bmRequestType = UT_WRITE_VENDOR_DEVICE; + req.bRequest = AUE_UR_WRITEREG; + req.wValue[0] = val; + req.wValue[1] = 0; + USETW(req.wIndex, reg); + USETW(req.wLength, 1); + + if (usb2_ether_do_request(&sc->sc_ue, &req, &val, 1000)) { + /* error ignored */ + } +} + +static void +aue_csr_write_2(struct aue_softc *sc, uint16_t reg, uint16_t val) +{ + struct usb2_device_request req; + + req.bmRequestType = UT_WRITE_VENDOR_DEVICE; + req.bRequest = AUE_UR_WRITEREG; + USETW(req.wValue, val); + USETW(req.wIndex, reg); + USETW(req.wLength, 2); + + val = htole16(val); + + if (usb2_ether_do_request(&sc->sc_ue, &req, &val, 1000)) { + /* error ignored */ + } +} + +/* + * Read a word of data stored in the EEPROM at address 'addr.' + */ +static void +aue_eeprom_getword(struct aue_softc *sc, int addr, uint16_t *dest) +{ + int i; + uint16_t word = 0; + + aue_csr_write_1(sc, AUE_EE_REG, addr); + aue_csr_write_1(sc, AUE_EE_CTL, AUE_EECTL_READ); + + for (i = 0; i != AUE_TIMEOUT; i++) { + if (aue_csr_read_1(sc, AUE_EE_CTL) & AUE_EECTL_DONE) + break; + if (usb2_ether_pause(&sc->sc_ue, hz / 100)) + break; + } + + if (i == AUE_TIMEOUT) + device_printf(sc->sc_ue.ue_dev, "EEPROM read timed out\n"); + + word = aue_csr_read_2(sc, AUE_EE_DATA); + *dest = word; +} + +/* + * Read a sequence of words from the EEPROM. + */ +static void +aue_read_eeprom(struct aue_softc *sc, uint8_t *dest, + uint16_t off, uint16_t len) +{ + uint16_t *ptr = (uint16_t *)dest; + int i; + + for (i = 0; i != len; i++, ptr++) + aue_eeprom_getword(sc, off + i, ptr); +} + +static int +aue_miibus_readreg(device_t dev, int phy, int reg) +{ + struct aue_softc *sc = device_get_softc(dev); + int i, locked; + uint16_t val = 0; + + locked = mtx_owned(&sc->sc_mtx); + if (!locked) + AUE_LOCK(sc); + + /* + * The Am79C901 HomePNA PHY actually contains two transceivers: a 1Mbps + * HomePNA PHY and a 10Mbps full/half duplex ethernet PHY with NWAY + * autoneg. However in the ADMtek adapter, only the 1Mbps PHY is + * actually connected to anything, so we ignore the 10Mbps one. It + * happens to be configured for MII address 3, so we filter that out. + */ + if (sc->sc_flags & AUE_FLAG_DUAL_PHY) { + if (phy == 3) + goto done; +#if 0 + if (phy != 1) + goto done; +#endif + } + aue_csr_write_1(sc, AUE_PHY_ADDR, phy); + aue_csr_write_1(sc, AUE_PHY_CTL, reg | AUE_PHYCTL_READ); + + for (i = 0; i != AUE_TIMEOUT; i++) { + if (aue_csr_read_1(sc, AUE_PHY_CTL) & AUE_PHYCTL_DONE) + break; + if (usb2_ether_pause(&sc->sc_ue, hz / 100)) + break; + } + + if (i == AUE_TIMEOUT) + device_printf(sc->sc_ue.ue_dev, "MII read timed out\n"); + + val = aue_csr_read_2(sc, AUE_PHY_DATA); + +done: + if (!locked) + AUE_UNLOCK(sc); + return (val); +} + +static int +aue_miibus_writereg(device_t dev, int phy, int reg, int data) +{ + struct aue_softc *sc = device_get_softc(dev); + int i; + int locked; + + if (phy == 3) + return (0); + + locked = mtx_owned(&sc->sc_mtx); + if (!locked) + AUE_LOCK(sc); + + aue_csr_write_2(sc, AUE_PHY_DATA, data); + aue_csr_write_1(sc, AUE_PHY_ADDR, phy); + aue_csr_write_1(sc, AUE_PHY_CTL, reg | AUE_PHYCTL_WRITE); + + for (i = 0; i != AUE_TIMEOUT; i++) { + if (aue_csr_read_1(sc, AUE_PHY_CTL) & AUE_PHYCTL_DONE) + break; + if (usb2_ether_pause(&sc->sc_ue, hz / 100)) + break; + } + + if (i == AUE_TIMEOUT) + device_printf(sc->sc_ue.ue_dev, "MII read timed out\n"); + + if (!locked) + AUE_UNLOCK(sc); + return (0); +} + +static void +aue_miibus_statchg(device_t dev) +{ + struct aue_softc *sc = device_get_softc(dev); + struct mii_data *mii = GET_MII(sc); + int locked; + + locked = mtx_owned(&sc->sc_mtx); + if (!locked) + AUE_LOCK(sc); + + AUE_CLRBIT(sc, AUE_CTL0, AUE_CTL0_RX_ENB | AUE_CTL0_TX_ENB); + if (IFM_SUBTYPE(mii->mii_media_active) == IFM_100_TX) + AUE_SETBIT(sc, AUE_CTL1, AUE_CTL1_SPEEDSEL); + else + AUE_CLRBIT(sc, AUE_CTL1, AUE_CTL1_SPEEDSEL); + + if ((mii->mii_media_active & IFM_GMASK) == IFM_FDX) + AUE_SETBIT(sc, AUE_CTL1, AUE_CTL1_DUPLEX); + else + AUE_CLRBIT(sc, AUE_CTL1, AUE_CTL1_DUPLEX); + + AUE_SETBIT(sc, AUE_CTL0, AUE_CTL0_RX_ENB | AUE_CTL0_TX_ENB); + + /* + * Set the LED modes on the LinkSys adapter. + * This turns on the 'dual link LED' bin in the auxmode + * register of the Broadcom PHY. + */ + if (sc->sc_flags & AUE_FLAG_LSYS) { + uint16_t auxmode; + + auxmode = aue_miibus_readreg(dev, 0, 0x1b); + aue_miibus_writereg(dev, 0, 0x1b, auxmode | 0x04); + } + if (!locked) + AUE_UNLOCK(sc); +} + +#define AUE_BITS 6 +static void +aue_setmulti(struct usb2_ether *ue) +{ + struct aue_softc *sc = usb2_ether_getsc(ue); + struct ifnet *ifp = usb2_ether_getifp(ue); + struct ifmultiaddr *ifma; + uint32_t h = 0; + uint32_t i; + uint8_t hashtbl[8] = { 0, 0, 0, 0, 0, 0, 0, 0 }; + + AUE_LOCK_ASSERT(sc, MA_OWNED); + + if (ifp->if_flags & IFF_ALLMULTI || ifp->if_flags & IFF_PROMISC) { + AUE_SETBIT(sc, AUE_CTL0, AUE_CTL0_ALLMULTI); + return; + } + + AUE_CLRBIT(sc, AUE_CTL0, AUE_CTL0_ALLMULTI); + + /* now program new ones */ + IF_ADDR_LOCK(ifp); + TAILQ_FOREACH(ifma, &ifp->if_multiaddrs, ifma_link) { + if (ifma->ifma_addr->sa_family != AF_LINK) + continue; + h = ether_crc32_le(LLADDR((struct sockaddr_dl *) + ifma->ifma_addr), ETHER_ADDR_LEN) & ((1 << AUE_BITS) - 1); + hashtbl[(h >> 3)] |= 1 << (h & 0x7); + } + IF_ADDR_UNLOCK(ifp); + + /* write the hashtable */ + for (i = 0; i != 8; i++) + aue_csr_write_1(sc, AUE_MAR0 + i, hashtbl[i]); +} + +static void +aue_reset_pegasus_II(struct aue_softc *sc) +{ + /* Magic constants taken from Linux driver. */ + aue_csr_write_1(sc, AUE_REG_1D, 0); + aue_csr_write_1(sc, AUE_REG_7B, 2); +#if 0 + if ((sc->sc_flags & HAS_HOME_PNA) && mii_mode) + aue_csr_write_1(sc, AUE_REG_81, 6); + else +#endif + aue_csr_write_1(sc, AUE_REG_81, 2); +} + +static void +aue_reset(struct aue_softc *sc) +{ + int i; + + AUE_SETBIT(sc, AUE_CTL1, AUE_CTL1_RESETMAC); + + for (i = 0; i != AUE_TIMEOUT; i++) { + if (!(aue_csr_read_1(sc, AUE_CTL1) & AUE_CTL1_RESETMAC)) + break; + if (usb2_ether_pause(&sc->sc_ue, hz / 100)) + break; + } + + if (i == AUE_TIMEOUT) + device_printf(sc->sc_ue.ue_dev, "reset failed\n"); + + /* + * The PHY(s) attached to the Pegasus chip may be held + * in reset until we flip on the GPIO outputs. Make sure + * to set the GPIO pins high so that the PHY(s) will + * be enabled. + * + * Note: We force all of the GPIO pins low first, *then* + * enable the ones we want. + */ + aue_csr_write_1(sc, AUE_GPIO0, AUE_GPIO_OUT0|AUE_GPIO_SEL0); + aue_csr_write_1(sc, AUE_GPIO0, AUE_GPIO_OUT0|AUE_GPIO_SEL0|AUE_GPIO_SEL1); + + if (sc->sc_flags & AUE_FLAG_LSYS) { + /* Grrr. LinkSys has to be different from everyone else. */ + aue_csr_write_1(sc, AUE_GPIO0, AUE_GPIO_SEL0|AUE_GPIO_SEL1); + aue_csr_write_1(sc, AUE_GPIO0, + AUE_GPIO_SEL0|AUE_GPIO_SEL1|AUE_GPIO_OUT0); + } + if (sc->sc_flags & AUE_FLAG_PII) + aue_reset_pegasus_II(sc); + + /* Wait a little while for the chip to get its brains in order: */ + usb2_ether_pause(&sc->sc_ue, hz / 100); +} + +static void +aue_attach_post(struct usb2_ether *ue) +{ + struct aue_softc *sc = usb2_ether_getsc(ue); + + /* reset the adapter */ + aue_reset(sc); + + /* get station address from the EEPROM */ + aue_read_eeprom(sc, ue->ue_eaddr, 0, 3); +} + +/* + * Probe for a Pegasus chip. + */ +static int +aue_probe(device_t dev) +{ + struct usb2_attach_arg *uaa = device_get_ivars(dev); + + if (uaa->usb2_mode != USB_MODE_HOST) + return (ENXIO); + if (uaa->info.bConfigIndex != AUE_CONFIG_INDEX) + return (ENXIO); + if (uaa->info.bIfaceIndex != AUE_IFACE_IDX) + return (ENXIO); + /* + * Belkin USB Bluetooth dongles of the F8T012xx1 model series conflict + * with older Belkin USB2LAN adapters. Skip if_aue if we detect one of + * the devices that look like Bluetooth adapters. + */ + if (uaa->info.idVendor == USB_VENDOR_BELKIN && + uaa->info.idProduct == USB_PRODUCT_BELKIN_F8T012 && + uaa->info.bcdDevice == 0x0413) + return (ENXIO); + + return (usb2_lookup_id_by_uaa(aue_devs, sizeof(aue_devs), uaa)); +} + +/* + * Attach the interface. Allocate softc structures, do ifmedia + * setup and ethernet/BPF attach. + */ +static int +aue_attach(device_t dev) +{ + struct usb2_attach_arg *uaa = device_get_ivars(dev); + struct aue_softc *sc = device_get_softc(dev); + struct usb2_ether *ue = &sc->sc_ue; + uint8_t iface_index; + int error; + + sc->sc_flags = USB_GET_DRIVER_INFO(uaa); + + if (uaa->info.bcdDevice >= 0x0201) { + /* XXX currently undocumented */ + sc->sc_flags |= AUE_FLAG_VER_2; + } + + device_set_usb2_desc(dev); + mtx_init(&sc->sc_mtx, device_get_nameunit(dev), NULL, MTX_DEF); + + iface_index = AUE_IFACE_IDX; + error = usb2_transfer_setup(uaa->device, &iface_index, + sc->sc_xfer, aue_config, AUE_N_TRANSFER, + sc, &sc->sc_mtx); + if (error) { + device_printf(dev, "allocating USB transfers failed!\n"); + goto detach; + } + + ue->ue_sc = sc; + ue->ue_dev = dev; + ue->ue_udev = uaa->device; + ue->ue_mtx = &sc->sc_mtx; + ue->ue_methods = &aue_ue_methods; + + error = usb2_ether_ifattach(ue); + if (error) { + device_printf(dev, "could not attach interface\n"); + goto detach; + } + return (0); /* success */ + +detach: + aue_detach(dev); + return (ENXIO); /* failure */ +} + +static int +aue_detach(device_t dev) +{ + struct aue_softc *sc = device_get_softc(dev); + struct usb2_ether *ue = &sc->sc_ue; + + usb2_transfer_unsetup(sc->sc_xfer, AUE_N_TRANSFER); + usb2_ether_ifdetach(ue); + mtx_destroy(&sc->sc_mtx); + + return (0); +} + +static void +aue_intr_callback(struct usb2_xfer *xfer) +{ + struct aue_softc *sc = xfer->priv_sc; + struct ifnet *ifp = usb2_ether_getifp(&sc->sc_ue); + struct aue_intrpkt pkt; + + switch (USB_GET_STATE(xfer)) { + case USB_ST_TRANSFERRED: + + if ((ifp->if_drv_flags & IFF_DRV_RUNNING) && + xfer->actlen >= sizeof(pkt)) { + + usb2_copy_out(xfer->frbuffers, 0, &pkt, sizeof(pkt)); + + if (pkt.aue_txstat0) + ifp->if_oerrors++; + if (pkt.aue_txstat0 & (AUE_TXSTAT0_LATECOLL & + AUE_TXSTAT0_EXCESSCOLL)) + ifp->if_collisions++; + } + /* FALLTHROUGH */ + case USB_ST_SETUP: +tr_setup: + xfer->frlengths[0] = xfer->max_data_length; + usb2_start_hardware(xfer); + return; + + default: /* Error */ + if (xfer->error != USB_ERR_CANCELLED) { + /* try to clear stall first */ + xfer->flags.stall_pipe = 1; + goto tr_setup; + } + return; + } +} + +static void +aue_bulk_read_callback(struct usb2_xfer *xfer) +{ + struct aue_softc *sc = xfer->priv_sc; + struct usb2_ether *ue = &sc->sc_ue; + struct ifnet *ifp = usb2_ether_getifp(ue); + struct aue_rxpkt stat; + + switch (USB_GET_STATE(xfer)) { + case USB_ST_TRANSFERRED: + DPRINTFN(11, "received %d bytes\n", xfer->actlen); + + if (sc->sc_flags & AUE_FLAG_VER_2) { + + if (xfer->actlen == 0) { + ifp->if_ierrors++; + goto tr_setup; + } + } else { + + if (xfer->actlen <= (sizeof(stat) + ETHER_CRC_LEN)) { + ifp->if_ierrors++; + goto tr_setup; + } + usb2_copy_out(xfer->frbuffers, + xfer->actlen - sizeof(stat), &stat, sizeof(stat)); + + /* + * turn off all the non-error bits in the rx status + * word: + */ + stat.aue_rxstat &= AUE_RXSTAT_MASK; + if (stat.aue_rxstat) { + ifp->if_ierrors++; + goto tr_setup; + } + /* No errors; receive the packet. */ + xfer->actlen -= (sizeof(stat) + ETHER_CRC_LEN); + } + usb2_ether_rxbuf(ue, xfer->frbuffers, 0, xfer->actlen); + + /* FALLTHROUGH */ + case USB_ST_SETUP: +tr_setup: + xfer->frlengths[0] = xfer->max_data_length; + usb2_start_hardware(xfer); + usb2_ether_rxflush(ue); + return; + + default: /* Error */ + DPRINTF("bulk read error, %s\n", + usb2_errstr(xfer->error)); + + if (xfer->error != USB_ERR_CANCELLED) { + /* try to clear stall first */ + xfer->flags.stall_pipe = 1; + goto tr_setup; + } + return; + } +} + +static void +aue_bulk_write_callback(struct usb2_xfer *xfer) +{ + struct aue_softc *sc = xfer->priv_sc; + struct ifnet *ifp = usb2_ether_getifp(&sc->sc_ue); + struct mbuf *m; + uint8_t buf[2]; + + switch (USB_GET_STATE(xfer)) { + case USB_ST_TRANSFERRED: + DPRINTFN(11, "transfer of %d bytes complete\n", xfer->actlen); + ifp->if_opackets++; + + /* FALLTHROUGH */ + case USB_ST_SETUP: +tr_setup: + if ((sc->sc_flags & AUE_FLAG_LINK) == 0) { + /* + * don't send anything if there is no link ! + */ + return; + } + IFQ_DRV_DEQUEUE(&ifp->if_snd, m); + + if (m == NULL) + return; + if (m->m_pkthdr.len > MCLBYTES) + m->m_pkthdr.len = MCLBYTES; + if (sc->sc_flags & AUE_FLAG_VER_2) { + + xfer->frlengths[0] = m->m_pkthdr.len; + + usb2_m_copy_in(xfer->frbuffers, 0, + m, 0, m->m_pkthdr.len); + + } else { + + xfer->frlengths[0] = (m->m_pkthdr.len + 2); + + /* + * The ADMtek documentation says that the + * packet length is supposed to be specified + * in the first two bytes of the transfer, + * however it actually seems to ignore this + * info and base the frame size on the bulk + * transfer length. + */ + buf[0] = (uint8_t)(m->m_pkthdr.len); + buf[1] = (uint8_t)(m->m_pkthdr.len >> 8); + + usb2_copy_in(xfer->frbuffers, 0, buf, 2); + + usb2_m_copy_in(xfer->frbuffers, 2, + m, 0, m->m_pkthdr.len); + } + + /* + * if there's a BPF listener, bounce a copy + * of this frame to him: + */ + BPF_MTAP(ifp, m); + + m_freem(m); + + usb2_start_hardware(xfer); + return; + + default: /* Error */ + DPRINTFN(11, "transfer error, %s\n", + usb2_errstr(xfer->error)); + + ifp->if_oerrors++; + + if (xfer->error != USB_ERR_CANCELLED) { + /* try to clear stall first */ + xfer->flags.stall_pipe = 1; + goto tr_setup; + } + return; + } +} + +static void +aue_tick(struct usb2_ether *ue) +{ + struct aue_softc *sc = usb2_ether_getsc(ue); + struct mii_data *mii = GET_MII(sc); + + AUE_LOCK_ASSERT(sc, MA_OWNED); + + mii_tick(mii); + if ((sc->sc_flags & AUE_FLAG_LINK) == 0 + && mii->mii_media_status & IFM_ACTIVE && + IFM_SUBTYPE(mii->mii_media_active) != IFM_NONE) { + sc->sc_flags |= AUE_FLAG_LINK; + aue_start(ue); + } +} + +static void +aue_start(struct usb2_ether *ue) +{ + struct aue_softc *sc = usb2_ether_getsc(ue); + + /* + * start the USB transfers, if not already started: + */ + usb2_transfer_start(sc->sc_xfer[AUE_INTR_DT_RD]); + usb2_transfer_start(sc->sc_xfer[AUE_BULK_DT_RD]); + usb2_transfer_start(sc->sc_xfer[AUE_BULK_DT_WR]); +} + +static void +aue_init(struct usb2_ether *ue) +{ + struct aue_softc *sc = usb2_ether_getsc(ue); + struct ifnet *ifp = usb2_ether_getifp(ue); + int i; + + AUE_LOCK_ASSERT(sc, MA_OWNED); + + /* + * Cancel pending I/O + */ + aue_reset(sc); + + /* Set MAC address */ + for (i = 0; i != ETHER_ADDR_LEN; i++) + aue_csr_write_1(sc, AUE_PAR0 + i, IF_LLADDR(ifp)[i]); + + /* update promiscuous setting */ + aue_setpromisc(ue); + + /* Load the multicast filter. */ + aue_setmulti(ue); + + /* Enable RX and TX */ + aue_csr_write_1(sc, AUE_CTL0, AUE_CTL0_RXSTAT_APPEND | AUE_CTL0_RX_ENB); + AUE_SETBIT(sc, AUE_CTL0, AUE_CTL0_TX_ENB); + AUE_SETBIT(sc, AUE_CTL2, AUE_CTL2_EP3_CLR); + + usb2_transfer_set_stall(sc->sc_xfer[AUE_BULK_DT_WR]); + + ifp->if_drv_flags |= IFF_DRV_RUNNING; + aue_start(ue); +} + +static void +aue_setpromisc(struct usb2_ether *ue) +{ + struct aue_softc *sc = usb2_ether_getsc(ue); + struct ifnet *ifp = usb2_ether_getifp(ue); + + AUE_LOCK_ASSERT(sc, MA_OWNED); + + /* if we want promiscuous mode, set the allframes bit: */ + if (ifp->if_flags & IFF_PROMISC) + AUE_SETBIT(sc, AUE_CTL2, AUE_CTL2_RX_PROMISC); + else + AUE_CLRBIT(sc, AUE_CTL2, AUE_CTL2_RX_PROMISC); +} + +/* + * Set media options. + */ +static int +aue_ifmedia_upd(struct ifnet *ifp) +{ + struct aue_softc *sc = ifp->if_softc; + struct mii_data *mii = GET_MII(sc); + + AUE_LOCK_ASSERT(sc, MA_OWNED); + + sc->sc_flags &= ~AUE_FLAG_LINK; + if (mii->mii_instance) { + struct mii_softc *miisc; + + LIST_FOREACH(miisc, &mii->mii_phys, mii_list) + mii_phy_reset(miisc); + } + mii_mediachg(mii); + return (0); +} + +/* + * Report current media status. + */ +static void +aue_ifmedia_sts(struct ifnet *ifp, struct ifmediareq *ifmr) +{ + struct aue_softc *sc = ifp->if_softc; + struct mii_data *mii = GET_MII(sc); + + AUE_LOCK(sc); + mii_pollstat(mii); + AUE_UNLOCK(sc); + ifmr->ifm_active = mii->mii_media_active; + ifmr->ifm_status = mii->mii_media_status; +} + +/* + * Stop the adapter and free any mbufs allocated to the + * RX and TX lists. + */ +static void +aue_stop(struct usb2_ether *ue) +{ + struct aue_softc *sc = usb2_ether_getsc(ue); + struct ifnet *ifp = usb2_ether_getifp(ue); + + AUE_LOCK_ASSERT(sc, MA_OWNED); + + ifp->if_drv_flags &= ~IFF_DRV_RUNNING; + sc->sc_flags &= ~AUE_FLAG_LINK; + + /* + * stop all the transfers, if not already stopped: + */ + usb2_transfer_stop(sc->sc_xfer[AUE_BULK_DT_WR]); + usb2_transfer_stop(sc->sc_xfer[AUE_BULK_DT_RD]); + usb2_transfer_stop(sc->sc_xfer[AUE_INTR_DT_RD]); + + aue_csr_write_1(sc, AUE_CTL0, 0); + aue_csr_write_1(sc, AUE_CTL1, 0); + aue_reset(sc); +} + +/* + * Stop all chip I/O so that the kernel's probe routines don't + * get confused by errant DMAs when rebooting. + */ +static int +aue_shutdown(device_t dev) +{ + struct aue_softc *sc = device_get_softc(dev); + + usb2_ether_ifshutdown(&sc->sc_ue); + + return (0); +} |
