static int
ath_ahb_detach(device_t dev)
{
struct ath_ahb_softc *psc = device_get_softc(dev);
struct ath_softc *sc = &psc->sc_sc;
/* check if device was removed */
sc->sc_invalid = !bus_child_present(dev);
ath_detach(sc);
bus_generic_detach(dev);
bus_teardown_intr(dev, psc->sc_irq, psc->sc_ih);
bus_release_resource(dev, SYS_RES_IRQ, 0, psc->sc_irq);
bus_dma_tag_destroy(sc->sc_dmat);
bus_release_resource(dev, SYS_RES_MEMORY, 0, psc->sc_sr);
bus_release_resource(dev, SYS_RES_MEMORY, 0, psc->sc_eeprom);
/* XXX?! */
if (sc->sc_eepromdata)
free(sc->sc_eepromdata, M_TEMP);
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);
return (0);
}
static int
ath_pci_detach(device_t dev)
{
struct ath_pci_softc *psc = device_get_softc(dev);
struct ath_softc *sc = &psc->sc_sc;
/* check if device was removed */
sc->sc_invalid = !bus_child_present(dev);
/*
* Do a config read to clear pre-existing pci error status.
*/
(void) pci_read_config(dev, PCIR_COMMAND, 4);
ath_detach(sc);
bus_generic_detach(dev);
bus_teardown_intr(dev, psc->sc_irq, psc->sc_ih);
bus_release_resource(dev, SYS_RES_IRQ, 0, psc->sc_irq);
bus_dma_tag_destroy(sc->sc_dmat);
bus_release_resource(dev, SYS_RES_MEMORY, BS_BAR, psc->sc_sr);
if (sc->sc_eepromdata)
free(sc->sc_eepromdata, M_TEMP);
ATH_TXSTATUS_LOCK_DESTROY(sc);
ATH_PCU_LOCK_DESTROY(sc);
ATH_RX_LOCK_DESTROY(sc);
ATH_TX_LOCK_DESTROY(sc);
ATH_LOCK_DESTROY(sc);
return (0);
}
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);
}