int bcmsdh_oob_intr_register(bcmsdh_info_t *bcmsdh, bcmsdh_cb_fn_t oob_irq_handler,
void* oob_irq_handler_context)
{
int err = 0;
bcmsdh_os_info_t *bcmsdh_osinfo = bcmsdh->os_cxt;
SDLX_MSG(("%s: Enter\n", __FUNCTION__));
if (bcmsdh_osinfo->oob_irq_registered) {
SDLX_MSG(("%s: irq is already registered\n", __FUNCTION__));
return -EBUSY;
}
SDLX_MSG(("%s OOB irq=%d flags=%X \n", __FUNCTION__,
(int)bcmsdh_osinfo->oob_irq_num, (int)bcmsdh_osinfo->oob_irq_flags));
bcmsdh_osinfo->oob_irq_handler = oob_irq_handler;
bcmsdh_osinfo->oob_irq_handler_context = oob_irq_handler_context;
err = request_irq(bcmsdh_osinfo->oob_irq_num, wlan_oob_irq,
bcmsdh_osinfo->oob_irq_flags, "bcmsdh_sdmmc", bcmsdh);
if (err) {
SDLX_MSG(("%s: request_irq failed with %d\n", __FUNCTION__, err));
return err;
}
#if defined(CONFIG_ARCH_RHEA) || defined(CONFIG_ARCH_CAPRI)
if (device_may_wakeup(bcmsdh_osinfo->dev)) {
#endif /* CONFIG_ARCH_RHEA || CONFIG_ARCH_CAPRI */
err = enable_irq_wake(bcmsdh_osinfo->oob_irq_num);
if (!err)
bcmsdh_osinfo->oob_irq_wake_enabled = TRUE;
#if defined(CONFIG_ARCH_RHEA) || defined(CONFIG_ARCH_CAPRI)
}
#endif /* CONFIG_ARCH_RHEA || CONFIG_ARCH_CAPRI */
bcmsdh_osinfo->oob_irq_enabled = TRUE;
bcmsdh_osinfo->oob_irq_registered = TRUE;
return err;
}
void bcmsdh_oob_intr_unregister(bcmsdh_info_t *bcmsdh)
{
int err = 0;
bcmsdh_os_info_t *bcmsdh_osinfo = bcmsdh->os_cxt;
SDLX_MSG(("%s: Enter\n", __FUNCTION__));
if (!bcmsdh_osinfo->oob_irq_registered) {
SDLX_MSG(("%s: irq is not registered\n", __FUNCTION__));
return;
}
if (bcmsdh_osinfo->oob_irq_wake_enabled) {
#if defined(CONFIG_ARCH_RHEA) || defined(CONFIG_ARCH_CAPRI)
if (device_may_wakeup(bcmsdh_osinfo->dev)) {
#endif /* CONFIG_ARCH_RHEA || CONFIG_ARCH_CAPRI */
err = disable_irq_wake(bcmsdh_osinfo->oob_irq_num);
if (!err)
bcmsdh_osinfo->oob_irq_wake_enabled = FALSE;
#if defined(CONFIG_ARCH_RHEA) || defined(CONFIG_ARCH_CAPRI)
}
#endif /* CONFIG_ARCH_RHEA || CONFIG_ARCH_CAPRI */
}
if (bcmsdh_osinfo->oob_irq_enabled) {
disable_irq(bcmsdh_osinfo->oob_irq_num);
bcmsdh_osinfo->oob_irq_enabled = FALSE;
}
free_irq(bcmsdh_osinfo->oob_irq_num, bcmsdh);
bcmsdh_osinfo->oob_irq_registered = FALSE;
}
void* bcmsdh_probe(osl_t *osh, void *dev, void *sdioh, void *adapter_info, uint bus_type,
uint bus_num, uint slot_num)
{
uint32 regs;
bcmsdh_info_t *bcmsdh;
uint32 vendevid;
bcmsdh_os_info_t *bcmsdh_osinfo = NULL;
bcmsdh = bcmsdh_attach(osh, sdioh, ®s);
if (bcmsdh == NULL) {
SDLX_MSG(("%s: bcmsdh_attach failed\n", __FUNCTION__));
goto err;
}
bcmsdh_osinfo = MALLOC(osh, sizeof(bcmsdh_os_info_t));
if (bcmsdh_osinfo == NULL) {
SDLX_MSG(("%s: failed to allocate bcmsdh_os_info_t\n", __FUNCTION__));
goto err;
}
bzero((char *)bcmsdh_osinfo, sizeof(bcmsdh_os_info_t));
bcmsdh->os_cxt = bcmsdh_osinfo;
bcmsdh_osinfo->sdioh = sdioh;
bcmsdh_osinfo->dev = dev;
osl_set_bus_handle(osh, bcmsdh);
#if !defined(CONFIG_HAS_WAKELOCK) && (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 36))
if (dev && device_init_wakeup(dev, true) == 0)
bcmsdh_osinfo->dev_wake_enabled = TRUE;
#endif /* !defined(CONFIG_HAS_WAKELOCK) && (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 36)) */
#if defined(OOB_INTR_ONLY)
spin_lock_init(&bcmsdh_osinfo->oob_irq_spinlock);
/* Get customer specific OOB IRQ parametres: IRQ number as IRQ type */
bcmsdh_osinfo->oob_irq_num = wifi_platform_get_irq_number(adapter_info,
&bcmsdh_osinfo->oob_irq_flags);
if (bcmsdh_osinfo->oob_irq_num < 0) {
SDLX_MSG(("%s: Host OOB irq is not defined\n", __FUNCTION__));
goto err;
}
#endif /* defined(BCMLXSDMMC) */
/* Read the vendor/device ID from the CIS */
vendevid = bcmsdh_query_device(bcmsdh);
/* try to attach to the target device */
bcmsdh_osinfo->context = drvinfo.probe((vendevid >> 16), (vendevid & 0xFFFF), bus_num,
slot_num, 0, bus_type, (void *)regs, osh, bcmsdh);
if (bcmsdh_osinfo->context == NULL) {
SDLX_MSG(("%s: device attach failed\n", __FUNCTION__));
goto err;
}
return bcmsdh;
/* error handling */
err:
if (bcmsdh != NULL)
bcmsdh_detach(osh, bcmsdh);
if (bcmsdh_osinfo != NULL)
MFREE(osh, bcmsdh_osinfo, sizeof(bcmsdh_os_info_t));
return NULL;
}
int bcmsdh_oob_intr_register(bcmsdh_info_t *bcmsdh, bcmsdh_cb_fn_t oob_irq_handler,
void* oob_irq_handler_context)
{
int err = 0;
bcmsdh_os_info_t *bcmsdh_osinfo = bcmsdh->os_cxt;
SDLX_MSG(("%s: Enter\n", __FUNCTION__));
if (bcmsdh_osinfo->oob_irq_registered) {
SDLX_MSG(("%s: irq is already registered\n", __FUNCTION__));
return -EBUSY;
}
SDLX_MSG(("%s OOB irq=%d flags=%X \n", __FUNCTION__,
(int)bcmsdh_osinfo->oob_irq_num, (int)bcmsdh_osinfo->oob_irq_flags));
bcmsdh_osinfo->oob_irq_handler = oob_irq_handler;
bcmsdh_osinfo->oob_irq_handler_context = oob_irq_handler_context;
#if defined(CONFIG_ARCH_ODIN)
err = odin_gpio_sms_request_irq(bcmsdh_osinfo->oob_irq_num, wlan_oob_irq,
bcmsdh_osinfo->oob_irq_flags, "bcmsdh_sdmmc", bcmsdh);
#else
err = request_irq(bcmsdh_osinfo->oob_irq_num, wlan_oob_irq,
bcmsdh_osinfo->oob_irq_flags, "bcmsdh_sdmmc", bcmsdh);
#endif /* defined(CONFIG_ARCH_ODIN) */
if (err) {
SDLX_MSG(("%s: request_irq failed with %d\n", __FUNCTION__, err));
return err;
}
bcmdhd_irq_number = (int)bcmsdh_osinfo->oob_irq_num;
err = enable_irq_wake(bcmsdh_osinfo->oob_irq_num);
if (!err)
bcmsdh_osinfo->oob_irq_wake_enabled = TRUE;
bcmsdh_osinfo->oob_irq_enabled = TRUE;
bcmsdh_osinfo->oob_irq_registered = TRUE;
return err;
}
int bcmsdh_register_oob_intr(void *dhdp)
{
int error = 0;
SDLX_MSG(("%s Enter\n", __func__));
sdhcinfo->oob_flags =
IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL |
IORESOURCE_IRQ_SHAREABLE;
dev_set_drvdata(sdhcinfo->dev, dhdp);
if (!sdhcinfo->oob_irq_registered) {
SDLX_MSG(("%s IRQ=%d Type=%X\n", __func__,
(int)sdhcinfo->oob_irq, (int)sdhcinfo->oob_flags));
/* Refer to customer Host IRQ docs about
proper irqflags definition */
error =
request_irq(sdhcinfo->oob_irq, wlan_oob_irq,
sdhcinfo->oob_flags, "bcmsdh_sdmmc", NULL);
if (error)
return -ENODEV;
set_irq_wake(sdhcinfo->oob_irq, 1);
sdhcinfo->oob_irq_registered = true;
}
return 0;
}
int
bcmsdh_register(bcmsdh_driver_t *driver)
{
int error = 0;
drvinfo = *driver;
SDLX_MSG(("%s: register client driver\n", __FUNCTION__));
error = bcmsdh_register_client_driver();
if (error)
SDLX_MSG(("%s: failed %d\n", __FUNCTION__, error));
return error;
}
int bcmsdh_register(bcmsdh_driver_t *driver)
{
drvinfo = *driver;
SDLX_MSG(("Linux Kernel SDIO/MMC Driver\n"));
return sdio_function_init();
}
void bcmsdh_unregister_oob_intr(void)
{
SDLX_MSG(("%s: Enter\n", __func__));
set_irq_wake(sdhcinfo->oob_irq, 0);
disable_irq(sdhcinfo->oob_irq); /* just in case.. */
free_irq(sdhcinfo->oob_irq, NULL);
sdhcinfo->oob_irq_registered = false;
}
int bcmsdh_oob_intr_register(bcmsdh_info_t *bcmsdh, bcmsdh_cb_fn_t oob_irq_handler,
void* oob_irq_handler_context)
{
int err = 0;
bcmsdh_os_info_t *bcmsdh_osinfo = bcmsdh->os_cxt;
SDLX_MSG(("%s: Enter\n", __FUNCTION__));
if (bcmsdh_osinfo->oob_irq_registered) {
SDLX_MSG(("%s: irq is already registered\n", __FUNCTION__));
return -EBUSY;
}
#ifdef HW_OOB
printf("%s: HW_OOB enabled\n", __FUNCTION__);
#else
printf("%s: SW_OOB enabled\n", __FUNCTION__);
#endif
SDLX_MSG(("%s OOB irq=%d flags=%X\n", __FUNCTION__,
(int)bcmsdh_osinfo->oob_irq_num, (int)bcmsdh_osinfo->oob_irq_flags));
bcmsdh_osinfo->oob_irq_handler = oob_irq_handler;
bcmsdh_osinfo->oob_irq_handler_context = oob_irq_handler_context;
bcmsdh_osinfo->oob_irq_enabled = TRUE;
bcmsdh_osinfo->oob_irq_registered = TRUE;
#if defined(CONFIG_ARCH_ODIN)
err = odin_gpio_sms_request_irq(bcmsdh_osinfo->oob_irq_num, wlan_oob_irq,
bcmsdh_osinfo->oob_irq_flags, "bcmsdh_sdmmc", bcmsdh);
#else
err = request_irq(bcmsdh_osinfo->oob_irq_num, wlan_oob_irq,
bcmsdh_osinfo->oob_irq_flags, "bcmsdh_sdmmc", bcmsdh);
#endif /* defined(CONFIG_ARCH_ODIN) */
if (err) {
bcmsdh_osinfo->oob_irq_enabled = FALSE;
bcmsdh_osinfo->oob_irq_registered = FALSE;
SDLX_MSG(("%s: request_irq failed with %d\n", __FUNCTION__, err));
return err;
}
#if defined(DISABLE_WOWLAN)
SDLX_MSG(("%s: disable_irq_wake\n", __FUNCTION__));
err = disable_irq_wake(bcmsdh_osinfo->oob_irq_num);
if (err)
SDLX_MSG(("%s: disable_irq_wake failed with %d\n", __FUNCTION__, err));
else
bcmsdh_osinfo->oob_irq_wake_enabled = FALSE;
#else
SDLX_MSG(("%s: enable_irq_wake\n", __FUNCTION__));
err = enable_irq_wake(bcmsdh_osinfo->oob_irq_num);
if (err)
SDLX_MSG(("%s: enable_irq_wake failed with %d\n", __FUNCTION__, err));
else
bcmsdh_osinfo->oob_irq_wake_enabled = TRUE;
#endif
return 0;
}
void bcmsdh_oob_intr_unregister(bcmsdh_info_t *bcmsdh)
{
int err = 0;
bcmsdh_os_info_t *bcmsdh_osinfo = bcmsdh->os_cxt;
SDLX_MSG(("%s: Enter\n", __FUNCTION__));
if (!bcmsdh_osinfo->oob_irq_registered) {
SDLX_MSG(("%s: irq is not registered\n", __FUNCTION__));
return;
}
if (bcmsdh_osinfo->oob_irq_wake_enabled) {
err = disable_irq_wake(bcmsdh_osinfo->oob_irq_num);
if (!err)
bcmsdh_osinfo->oob_irq_wake_enabled = FALSE;
}
if (bcmsdh_osinfo->oob_irq_enabled) {
disable_irq(bcmsdh_osinfo->oob_irq_num);
bcmsdh_osinfo->oob_irq_enabled = FALSE;
}
free_irq(bcmsdh_osinfo->oob_irq_num, bcmsdh);
bcmsdh_osinfo->oob_irq_registered = FALSE;
}
static irqreturn_t wlan_oob_irq(int irq, void *dev_id)
{
dhd_pub_t *dhdp;
dhdp = (dhd_pub_t *) dev_get_drvdata(sdhcinfo->dev);
bcmsdh_oob_intr_set(0);
if (dhdp == NULL) {
SDLX_MSG(("Out of band GPIO interrupt fired way too early\n"));
return IRQ_HANDLED;
}
WAKE_LOCK_TIMEOUT(dhdp, WAKE_LOCK_TMOUT, 25);
dhdsdio_isr((void *)dhdp->bus);
return IRQ_HANDLED;
}
static
#endif /* BCMLXSDMMC */
int bcmsdh_remove(struct device *dev)
{
bcmsdh_hc_t *sdhc, *prev;
struct osl_info *osh;
sdhc = sdhcinfo;
drvinfo.detach(sdhc->ch);
bcmsdh_detach(sdhc->osh, sdhc->sdh);
/* find the SDIO Host Controller state for this pdev
and take it out from the list */
for (sdhc = sdhcinfo, prev = NULL; sdhc; sdhc = sdhc->next) {
if (sdhc->dev == (void *)dev) {
if (prev)
prev->next = sdhc->next;
else
sdhcinfo = NULL;
break;
}
prev = sdhc;
}
if (!sdhc) {
SDLX_MSG(("%s: failed\n", __func__));
return 0;
}
/* release SDIO Host Controller info */
osh = sdhc->osh;
kfree(sdhc);
osl_detach(osh);
#if !defined(BCMLXSDMMC)
dev_set_drvdata(dev, NULL);
#endif /* !defined(BCMLXSDMMC) */
return 0;
}
static
#endif /* BCMLXSDMMC */
int bcmsdh_probe(struct device *dev)
{
struct osl_info *osh = NULL;
bcmsdh_hc_t *sdhc = NULL;
unsigned long regs = 0;
bcmsdh_info_t *sdh = NULL;
#if !defined(BCMLXSDMMC) && defined(BCMPLATFORM_BUS)
struct platform_device *pdev;
struct resource *r;
#endif /* BCMLXSDMMC */
int irq = 0;
u32 vendevid;
unsigned long irq_flags = 0;
#if !defined(BCMLXSDMMC) && defined(BCMPLATFORM_BUS)
pdev = to_platform_device(dev);
r = platform_get_resource(pdev, IORESOURCE_MEM, 0);
irq = platform_get_irq(pdev, 0);
if (!r || irq == NO_IRQ)
return -ENXIO;
#endif /* BCMLXSDMMC */
#if defined(OOB_INTR_ONLY)
#ifdef HW_OOB
irq_flags =
IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL |
IORESOURCE_IRQ_SHAREABLE;
#else
irq_flags = IRQF_TRIGGER_FALLING;
#endif /* HW_OOB */
irq = dhd_customer_oob_irq_map(&irq_flags);
if (irq < 0) {
SDLX_MSG(("%s: Host irq is not defined\n", __func__));
return 1;
}
#endif /* defined(OOB_INTR_ONLY) */
/* allocate SDIO Host Controller state info */
osh = osl_attach(dev, PCI_BUS);
if (!osh) {
SDLX_MSG(("%s: osl_attach failed\n", __func__));
goto err;
}
sdhc = kzalloc(sizeof(bcmsdh_hc_t), GFP_ATOMIC);
if (!sdhc) {
SDLX_MSG(("%s: out of memory\n", __func__));
goto err;
}
sdhc->osh = osh;
sdhc->dev = (void *)dev;
#ifdef BCMLXSDMMC
sdh = bcmsdh_attach(osh, (void *)0, (void **)®s, irq);
if (!sdh) {
SDLX_MSG(("%s: bcmsdh_attach failed\n", __func__));
goto err;
}
#else
sdh = bcmsdh_attach(osh, (void *)r->start, (void **)®s, irq);
if (!sdh) {
SDLX_MSG(("%s: bcmsdh_attach failed\n", __func__));
goto err;
}
#endif /* BCMLXSDMMC */
sdhc->sdh = sdh;
sdhc->oob_irq = irq;
sdhc->oob_flags = irq_flags;
sdhc->oob_irq_registered = false; /* to make sure.. */
#if defined(OOB_INTR_ONLY)
spin_lock_init(&sdhc->irq_lock);
#endif
/* chain SDIO Host Controller info together */
sdhc->next = sdhcinfo;
sdhcinfo = sdhc;
/* Read the vendor/device ID from the CIS */
vendevid = bcmsdh_query_device(sdh);
/* try to attach to the target device */
sdhc->ch = drvinfo.attach((vendevid >> 16), (vendevid & 0xFFFF),
0, 0, 0, 0, (void *)regs, NULL, sdh);
if (!sdhc->ch) {
SDLX_MSG(("%s: device attach failed\n", __func__));
goto err;
}
return 0;
/* error handling */
err:
if (sdhc) {
if (sdhc->sdh)
bcmsdh_detach(sdhc->osh, sdhc->sdh);
kfree(sdhc);
}
if (osh)
osl_detach(osh);
return -ENODEV;
}
