static int ath_ahb_attach(device_t dev) { struct ath_ahb_softc *psc = device_get_softc(dev); struct ath_softc *sc = &psc->sc_sc; int error = ENXIO; int rid; long eepromaddr; int eepromsize; uint8_t *p; int device_id, vendor_id; sc->sc_dev = dev; rid = 0; psc->sc_sr = bus_alloc_resource_any(dev, SYS_RES_MEMORY, &rid, RF_ACTIVE); if (psc->sc_sr == NULL) { device_printf(dev, "cannot map register space\n"); goto bad; } if (resource_long_value(device_get_name(dev), device_get_unit(dev), "eepromaddr", &eepromaddr) != 0) { device_printf(dev, "cannot fetch 'eepromaddr' from hints\n"); goto bad0; } /* * The default EEPROM size is 2048 * 16 bit words. * Later EEPROM/OTP/flash regions may be quite a bit bigger. */ if (resource_int_value(device_get_name(dev), device_get_unit(dev), "eepromsize", &eepromsize) != 0) { eepromsize = ATH_EEPROM_DATA_SIZE * 2; } rid = 0; device_printf(sc->sc_dev, "eeprom @ %p (%d bytes)\n", (void *) eepromaddr, eepromsize); psc->sc_eeprom = bus_alloc_resource(dev, SYS_RES_MEMORY, &rid, (uintptr_t) eepromaddr, (uintptr_t) eepromaddr + (uintptr_t) (eepromsize - 1), 0, RF_ACTIVE); if (psc->sc_eeprom == NULL) { device_printf(dev, "cannot map eeprom space\n"); goto bad0; } /* XXX uintptr_t is a bandaid for ia64; to be fixed */ sc->sc_st = (HAL_BUS_TAG)(uintptr_t) rman_get_bustag(psc->sc_sr); sc->sc_sh = (HAL_BUS_HANDLE) rman_get_bushandle(psc->sc_sr); /* * Mark device invalid so any interrupts (shared or otherwise) * that arrive before the HAL is setup are discarded. */ sc->sc_invalid = 1; /* Copy the EEPROM data out */ sc->sc_eepromdata = malloc(eepromsize, M_TEMP, M_NOWAIT | M_ZERO); if (sc->sc_eepromdata == NULL) { device_printf(dev, "cannot allocate memory for eeprom data\n"); goto bad1; } device_printf(sc->sc_dev, "eeprom data @ %p\n", (void *) rman_get_bushandle(psc->sc_eeprom)); /* XXX why doesn't this work? -adrian */ #if 0 bus_space_read_multi_1( rman_get_bustag(psc->sc_eeprom), rman_get_bushandle(psc->sc_eeprom), 0, (u_int8_t *) sc->sc_eepromdata, eepromsize); #endif p = (void *) rman_get_bushandle(psc->sc_eeprom); memcpy(sc->sc_eepromdata, p, eepromsize); /* * Arrange interrupt line. */ rid = 0; psc->sc_irq = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid, RF_SHAREABLE|RF_ACTIVE); if (psc->sc_irq == NULL) { device_printf(dev, "could not map interrupt\n"); goto bad1; } if (bus_setup_intr(dev, psc->sc_irq, INTR_TYPE_NET | INTR_MPSAFE, NULL, ath_intr, sc, &psc->sc_ih)) { device_printf(dev, "could not establish interrupt\n"); goto bad2; } /* * Setup DMA descriptor area. */ if (bus_dma_tag_create(bus_get_dma_tag(dev), /* parent */ 1, 0, /* alignment, bounds */ BUS_SPACE_MAXADDR_32BIT, /* lowaddr */ BUS_SPACE_MAXADDR, /* highaddr */ NULL, NULL, /* filter, filterarg */ 0x3ffff, /* maxsize XXX */ ATH_MAX_SCATTER, /* nsegments */ 0x3ffff, /* maxsegsize XXX */ BUS_DMA_ALLOCNOW, /* flags */ NULL, /* lockfunc */ NULL, /* lockarg */ &sc->sc_dmat)) { device_printf(dev, "cannot allocate DMA tag\n"); goto bad3; } /* * Check if a device/vendor ID is provided in hints. */ if (resource_int_value(device_get_name(dev), device_get_unit(dev), "vendor_id", &vendor_id) != 0) { vendor_id = VENDOR_ATHEROS; } if (resource_int_value(device_get_name(dev), device_get_unit(dev), "device_id", &device_id) != 0) { device_id = AR9130_DEVID; } ATH_LOCK_INIT(sc); ATH_PCU_LOCK_INIT(sc); ATH_RX_LOCK_INIT(sc); ATH_TX_LOCK_INIT(sc); ATH_TX_IC_LOCK_INIT(sc); ATH_TXSTATUS_LOCK_INIT(sc); error = ath_attach(device_id, sc); if (error == 0) /* success */ return 0; ATH_TXSTATUS_LOCK_DESTROY(sc); ATH_RX_LOCK_DESTROY(sc); ATH_TX_LOCK_DESTROY(sc); ATH_TX_IC_LOCK_DESTROY(sc); ATH_PCU_LOCK_DESTROY(sc); ATH_LOCK_DESTROY(sc); bus_dma_tag_destroy(sc->sc_dmat); bad3: bus_teardown_intr(dev, psc->sc_irq, psc->sc_ih); bad2: bus_release_resource(dev, SYS_RES_IRQ, 0, psc->sc_irq); bad1: bus_release_resource(dev, SYS_RES_MEMORY, 0, psc->sc_eeprom); bad0: bus_release_resource(dev, SYS_RES_MEMORY, 0, psc->sc_sr); bad: /* XXX?! */ if (sc->sc_eepromdata) free(sc->sc_eepromdata, M_TEMP); return (error); }
static int ath_pci_attach(device_t dev) { struct ath_pci_softc *psc = device_get_softc(dev); struct ath_softc *sc = &psc->sc_sc; int error = ENXIO; int rid; #ifdef ATH_EEPROM_FIRMWARE const struct firmware *fw = NULL; const char *buf; #endif const struct pci_device_id *pd; sc->sc_dev = dev; /* Do this lookup anyway; figure out what to do with it later */ pd = ath_pci_probe_device(dev, ath_pci_id_table, nitems(ath_pci_id_table)); if (pd) sc->sc_pci_devinfo = pd->driver_data; /* * Enable bus mastering. */ pci_enable_busmaster(dev); /* * Setup other PCI bus configuration parameters. */ ath_pci_setup(dev); /* * Setup memory-mapping of PCI registers. */ rid = BS_BAR; psc->sc_sr = bus_alloc_resource_any(dev, SYS_RES_MEMORY, &rid, RF_ACTIVE); if (psc->sc_sr == NULL) { device_printf(dev, "cannot map register space\n"); goto bad; } sc->sc_st = (HAL_BUS_TAG) rman_get_bustag(psc->sc_sr); sc->sc_sh = (HAL_BUS_HANDLE) rman_get_bushandle(psc->sc_sr); /* * Mark device invalid so any interrupts (shared or otherwise) * that arrive before the HAL is setup are discarded. */ sc->sc_invalid = 1; ATH_LOCK_INIT(sc); ATH_PCU_LOCK_INIT(sc); ATH_RX_LOCK_INIT(sc); ATH_TX_LOCK_INIT(sc); ATH_TXSTATUS_LOCK_INIT(sc); /* * Arrange interrupt line. */ rid = 0; psc->sc_irq = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid, RF_SHAREABLE|RF_ACTIVE); if (psc->sc_irq == NULL) { device_printf(dev, "could not map interrupt\n"); goto bad1; } if (bus_setup_intr(dev, psc->sc_irq, INTR_TYPE_NET | INTR_MPSAFE, NULL, ath_intr, sc, &psc->sc_ih)) { device_printf(dev, "could not establish interrupt\n"); goto bad2; } /* * Setup DMA descriptor area. */ if (bus_dma_tag_create(bus_get_dma_tag(dev), /* parent */ 1, 0, /* alignment, bounds */ BUS_SPACE_MAXADDR_32BIT, /* lowaddr */ BUS_SPACE_MAXADDR, /* highaddr */ NULL, NULL, /* filter, filterarg */ 0x3ffff, /* maxsize XXX */ ATH_MAX_SCATTER, /* nsegments */ 0x3ffff, /* maxsegsize XXX */ BUS_DMA_ALLOCNOW, /* flags */ NULL, /* lockfunc */ NULL, /* lockarg */ &sc->sc_dmat)) { device_printf(dev, "cannot allocate DMA tag\n"); goto bad3; } #ifdef ATH_EEPROM_FIRMWARE /* * If there's an EEPROM firmware image, load that in. */ if (resource_string_value(device_get_name(dev), device_get_unit(dev), "eeprom_firmware", &buf) == 0) { if (bootverbose) device_printf(dev, "%s: looking up firmware @ '%s'\n", __func__, buf); fw = firmware_get(buf); if (fw == NULL) { device_printf(dev, "%s: couldn't find firmware\n", __func__); goto bad4; } device_printf(dev, "%s: EEPROM firmware @ %p\n", __func__, fw->data); sc->sc_eepromdata = malloc(fw->datasize, M_TEMP, M_WAITOK | M_ZERO); if (! sc->sc_eepromdata) { device_printf(dev, "%s: can't malloc eepromdata\n", __func__); goto bad4; } memcpy(sc->sc_eepromdata, fw->data, fw->datasize); firmware_put(fw, 0); } #endif /* ATH_EEPROM_FIRMWARE */ error = ath_attach(pci_get_device(dev), sc); if (error == 0) /* success */ return 0; #ifdef ATH_EEPROM_FIRMWARE bad4: #endif bus_dma_tag_destroy(sc->sc_dmat); bad3: bus_teardown_intr(dev, psc->sc_irq, psc->sc_ih); bad2: bus_release_resource(dev, SYS_RES_IRQ, 0, psc->sc_irq); bad1: bus_release_resource(dev, SYS_RES_MEMORY, BS_BAR, psc->sc_sr); ATH_TXSTATUS_LOCK_DESTROY(sc); ATH_PCU_LOCK_DESTROY(sc); ATH_RX_LOCK_DESTROY(sc); ATH_TX_LOCK_DESTROY(sc); ATH_LOCK_DESTROY(sc); bad: return (error); }