SDIO_Status SDIO_Reset(SDIO_Handle Handle)
{
struct sdio_func *func = (struct sdio_func *)Handle;
if (func && func->card) {
sdio_release_host(func);
sdio_reset_comm(func->card);
sdio_claim_host(func);
}
return SDIO_SUCCESS;
}
static int bcmsdh_sdmmc_probe(struct sdio_func *func,
const struct sdio_device_id *id)
{
int ret = 0;
static struct sdio_func sdio_func_0;
sd_trace(("bcmsdh_sdmmc: %s Enter\n", __FUNCTION__));
sd_trace(("sdio_bcmsdh: func->class=%x\n", func->class));
sd_trace(("sdio_vendor: 0x%04x\n", func->vendor));
sd_trace(("sdio_device: 0x%04x\n", func->device));
sd_trace(("Function#: 0x%04x\n", func->num));
/*Linux native mmc stack enables high speed only if card's CCCR
version >=1.20. BCM4329 reports CCCR Version 1.10 but it supports
high speed*/
#ifdef MMC_SDIO_BROKEN_CCCR_REV
if( func->vendor == SDIO_VENDOR_ID_BROADCOM && \
func->device == SDIO_DEVICE_ID_BROADCOM_4329)
{
sd_trace(("setting high speed support ignoring card CCCR\n"));
func->card->cccr.high_speed = 1;
}
#endif
if (func->num == 1) {
#ifdef CUSTOMER_HW4
dhd_reset_chip();
sdio_reset_comm(func->card);
#endif
sdio_func_0.num = 0;
sdio_func_0.card = func->card;
gInstance->func[0] = &sdio_func_0;
if(func->device == 0x4) { /* 4318 */
gInstance->func[2] = NULL;
sd_trace(("NIC found, calling bcmsdh_probe...\n"));
ret = bcmsdh_probe(&sdmmc_dev);
}
}
gInstance->func[func->num] = func;
if (func->num == 2) {
sd_trace(("F2 found, calling bcmsdh_probe...\n"));
ret = bcmsdh_probe(&sdmmc_dev);
}
return ret;
}
int bcm_sdiowl_rescan(void)
{
int rc;
struct sdio_wifi_dev *dev = &gDev;
struct mmc_card *card;
if (!atomic_read(&dev->dev_is_ready)) {
PRINT_ERR("device not ready\n");
return -EFAULT;
}
card = wifi_sdio_get_card();
if (!card) {
PRINT_ERR("unable to find WiFi SDIO device\n");
return -EIO;
}
rc = sdio_reset_comm(card);
return rc;
}
