static int hifDeviceSuspend(struct device *dev);
static int hifDeviceResume(struct device *dev);
#endif /* CONFIG_PM */
-static int hifDeviceInserted(struct sdio_func *func, const struct sdio_device_id *id);
-static void hifDeviceRemoved(struct sdio_func *func);
-static struct hif_device *addHifDevice(struct sdio_func *func);
-static struct hif_device *getHifDevice(struct sdio_func *func);
static void delHifDevice(struct hif_device * device);
static int Func0_CMD52WriteByte(struct mmc_card *card, unsigned int address, unsigned char byte);
static int Func0_CMD52ReadByte(struct mmc_card *card, unsigned int address, unsigned char *byte);
+static int hifEnableFunc(struct hif_device *device, struct sdio_func *func);
+static int hifDisableFunc(struct hif_device *device, struct sdio_func *func);
+OSDRV_CALLBACKS osdrvCallbacks;
+
int reset_sdio_on_unload = 0;
module_param(reset_sdio_on_unload, int, 0644);
extern u32 nohifscattersupport;
+static struct hif_device *ath6kl_alloc_hifdev(struct sdio_func *func)
+{
+ struct hif_device *hifdevice;
+
+ hifdevice = kzalloc(sizeof(struct hif_device), GFP_KERNEL);
-/* ------ Static Variables ------ */
-static const struct sdio_device_id ar6k_id_table[] = {
- { SDIO_DEVICE(MANUFACTURER_CODE, (MANUFACTURER_ID_AR6002_BASE | 0x0)) },
- { SDIO_DEVICE(MANUFACTURER_CODE, (MANUFACTURER_ID_AR6002_BASE | 0x1)) },
- { SDIO_DEVICE(MANUFACTURER_CODE, (MANUFACTURER_ID_AR6003_BASE | 0x0)) },
- { SDIO_DEVICE(MANUFACTURER_CODE, (MANUFACTURER_ID_AR6003_BASE | 0x1)) },
- { /* null */ },
+#if HIF_USE_DMA_BOUNCE_BUFFER
+ hifdevice->dma_buffer = kmalloc(HIF_DMA_BUFFER_SIZE, GFP_KERNEL);
+#endif
+ hifdevice->func = func;
+ hifdevice->powerConfig = HIF_DEVICE_POWER_UP;
+ sdio_set_drvdata(func, hifdevice);
+
+ return hifdevice;
+}
+
+static struct hif_device *ath6kl_get_hifdev(struct sdio_func *func)
+{
+ return (struct hif_device *) sdio_get_drvdata(func);
+}
+
+static const struct sdio_device_id ath6kl_hifdev_ids[] = {
+ { SDIO_DEVICE(MANUFACTURER_CODE, (MANUFACTURER_ID_AR6002_BASE | 0x0)) },
+ { SDIO_DEVICE(MANUFACTURER_CODE, (MANUFACTURER_ID_AR6002_BASE | 0x1)) },
+ { SDIO_DEVICE(MANUFACTURER_CODE, (MANUFACTURER_ID_AR6003_BASE | 0x0)) },
+ { SDIO_DEVICE(MANUFACTURER_CODE, (MANUFACTURER_ID_AR6003_BASE | 0x1)) },
+ { /* null */ },
};
-MODULE_DEVICE_TABLE(sdio, ar6k_id_table);
-static struct sdio_driver ar6k_driver = {
- .name = "ar6k_wlan",
- .id_table = ar6k_id_table,
- .probe = hifDeviceInserted,
- .remove = hifDeviceRemoved,
+MODULE_DEVICE_TABLE(sdio, ath6kl_hifdev_ids);
+
+static int ath6kl_hifdev_probe(struct sdio_func *func,
+ const struct sdio_device_id *id)
+{
+ int ret;
+ struct hif_device *device;
+ int count;
+
+ AR_DEBUG_PRINTF(ATH_DEBUG_TRACE,
+ ("ath6kl: Function: 0x%X, Vendor ID: 0x%X, "
+ "Device ID: 0x%X, block size: 0x%X/0x%X\n",
+ func->num, func->vendor, func->device,
+ func->max_blksize, func->cur_blksize));
+
+ ath6kl_alloc_hifdev(func);
+ device = ath6kl_get_hifdev(func);
+
+ device->id = id;
+ device->is_disabled = true;
+
+ spin_lock_init(&device->lock);
+ spin_lock_init(&device->asynclock);
+
+ DL_LIST_INIT(&device->ScatterReqHead);
+
+ /* Try to allow scatter unless globally overridden */
+ if (!nohifscattersupport)
+ device->scatter_enabled = true;
+
+ A_MEMZERO(device->busRequest, sizeof(device->busRequest));
+
+ for (count = 0; count < BUS_REQUEST_MAX_NUM; count++) {
+ sema_init(&device->busRequest[count].sem_req, 0);
+ hifFreeBusRequest(device, &device->busRequest[count]);
+ }
+
+ sema_init(&device->sem_async, 0);
+
+ ret = hifEnableFunc(device, func);
+
+ return ret;
+}
+
+static void ath6kl_hifdev_remove(struct sdio_func *func)
+{
+ int status = 0;
+ struct hif_device *device;
+ AR_DEBUG_ASSERT(func != NULL);
+
+ device = ath6kl_get_hifdev(func);
+ if (device->claimedContext != NULL)
+ status = osdrvCallbacks.
+ deviceRemovedHandler(device->claimedContext, device);
+
+ if (device->is_disabled)
+ device->is_disabled = false;
+ else
+ status = hifDisableFunc(device, func);
+
+ CleanupHIFScatterResources(device);
+
+ delHifDevice(device);
+ AR_DEBUG_ASSERT(status == 0);
+ AR_DEBUG_PRINTF(ATH_DEBUG_TRACE, ("AR6000: -hifDeviceRemoved\n"));
+}
+
+static struct sdio_driver ath6kl_hifdev_driver = {
+ .name = "ath6kl_hifdev",
+ .id_table = ath6kl_hifdev_ids,
+ .probe = ath6kl_hifdev_probe,
+ .remove = ath6kl_hifdev_remove,
};
#if defined(CONFIG_PM)
/* make sure we only unregister when registered. */
static int registered = 0;
-OSDRV_CALLBACKS osdrvCallbacks;
extern u32 onebitmode;
extern u32 busspeedlow;
extern u32 debughif;
static void ResetAllCards(void);
-static int hifDisableFunc(struct hif_device *device, struct sdio_func *func);
-static int hifEnableFunc(struct hif_device *device, struct sdio_func *func);
#ifdef DEBUG
/* ------ Functions ------ */
int HIFInit(OSDRV_CALLBACKS *callbacks)
{
- int status;
- AR_DEBUG_ASSERT(callbacks != NULL);
+ int r;
+ AR_DEBUG_ASSERT(callbacks != NULL);
- A_REGISTER_MODULE_DEBUG_INFO(hif);
+ A_REGISTER_MODULE_DEBUG_INFO(hif);
- /* store the callback handlers */
- osdrvCallbacks = *callbacks;
+ /* store the callback handlers */
+ osdrvCallbacks = *callbacks;
+
+ /* Register with bus driver core */
+ registered = 1;
- /* Register with bus driver core */
- AR_DEBUG_PRINTF(ATH_DEBUG_TRACE, ("AR6000: HIFInit registering\n"));
- registered = 1;
#if defined(CONFIG_PM)
- if (callbacks->deviceSuspendHandler && callbacks->deviceResumeHandler) {
- ar6k_driver.drv.pm = &ar6k_device_pm_ops;
- }
+ if (callbacks->deviceSuspendHandler && callbacks->deviceResumeHandler)
+ ath6kl_hifdev_driver.drv.pm = &ar6k_device_pm_ops;
#endif /* CONFIG_PM */
- status = sdio_register_driver(&ar6k_driver);
- AR_DEBUG_ASSERT(status==0);
- if (status != 0) {
- return A_ERROR;
- }
-
- return 0;
+ r = sdio_register_driver(&ath6kl_hifdev_driver);
+ if (r < 0)
+ return r;
+ return 0;
}
static int
registered = 0;
AR_DEBUG_PRINTF(ATH_DEBUG_TRACE,
("AR6000: Unregistering with the bus driver\n"));
- sdio_unregister_driver(&ar6k_driver);
+ sdio_unregister_driver(&ath6kl_hifdev_driver);
AR_DEBUG_PRINTF(ATH_DEBUG_TRACE,
("AR6000: Unregistered\n"));
}
struct hif_device *device;
AR_DEBUG_PRINTF(ATH_DEBUG_TRACE, ("AR6000: +hifIRQHandler\n"));
- device = getHifDevice(func);
+ device = ath6kl_get_hifdev(func);
atomic_set(&device->irqHandling, 1);
/* release the host during ints so we can pick it back up when we process cmds */
sdio_release_host(device->func);
}
#endif
-static int hifDeviceInserted(struct sdio_func *func, const struct sdio_device_id *id)
-{
- int ret;
- struct hif_device * device;
- int count;
-
- AR_DEBUG_PRINTF(ATH_DEBUG_TRACE,
- ("AR6000: hifDeviceInserted, Function: 0x%X, Vendor ID: 0x%X, Device ID: 0x%X, block size: 0x%X/0x%X\n",
- func->num, func->vendor, func->device, func->max_blksize, func->cur_blksize));
-
- addHifDevice(func);
- device = getHifDevice(func);
-
- device->id = id;
- device->is_disabled = true;
-
- spin_lock_init(&device->lock);
-
- spin_lock_init(&device->asynclock);
-
- DL_LIST_INIT(&device->ScatterReqHead);
-
- if (!nohifscattersupport) {
- /* try to allow scatter operation on all instances,
- * unless globally overridden */
- device->scatter_enabled = true;
- }
-
- /* Initialize the bus requests to be used later */
- A_MEMZERO(device->busRequest, sizeof(device->busRequest));
- for (count = 0; count < BUS_REQUEST_MAX_NUM; count ++) {
- sema_init(&device->busRequest[count].sem_req, 0);
- hifFreeBusRequest(device, &device->busRequest[count]);
- }
- sema_init(&device->sem_async, 0);
-
- ret = hifEnableFunc(device, func);
-
- return ret;
-}
-
-
void
HIFAckInterrupt(struct hif_device *device)
{
int status = 0;
AR_DEBUG_PRINTF(ATH_DEBUG_TRACE, ("AR6000: +hifDisableFunc\n"));
- device = getHifDevice(func);
+ device = ath6kl_get_hifdev(func);
if (!IS_ERR(device->async_task)) {
init_completion(&device->async_completion);
device->async_shutdown = 1;
int ret = 0;
AR_DEBUG_PRINTF(ATH_DEBUG_TRACE, ("AR6000: +hifEnableFunc\n"));
- device = getHifDevice(func);
+ device = ath6kl_get_hifdev(func);
if (device->is_disabled) {
/* enable the SDIO function */
if (ret) {
AR_DEBUG_PRINTF(ATH_DEBUG_ERR, ("AR6000: failed to enable 4-bit ASYNC IRQ mode %d \n",ret));
sdio_release_host(func);
- return A_ERROR;
+ return ret;
}
AR_DEBUG_PRINTF(ATH_DEBUG_TRACE, ("AR6000: 4-bit ASYNC IRQ mode enabled\n"));
}
AR_DEBUG_PRINTF(ATH_DEBUG_ERROR, ("AR6000: %s(), Unable to enable AR6K: 0x%X\n",
__FUNCTION__, ret));
sdio_release_host(func);
- return A_ERROR;
+ return ret;
}
ret = sdio_set_block_size(func, HIF_MBOX_BLOCK_SIZE);
sdio_release_host(func);
if (ret) {
AR_DEBUG_PRINTF(ATH_DEBUG_ERROR, ("AR6000: %s(), Unable to set block size 0x%x AR6K: 0x%X\n",
__FUNCTION__, HIF_MBOX_BLOCK_SIZE, ret));
- return A_ERROR;
+ return ret;
}
device->is_disabled = false;
/* create async I/O thread */
"AR6K Async");
if (IS_ERR(device->async_task)) {
AR_DEBUG_PRINTF(ATH_DEBUG_ERROR, ("AR6000: %s(), to create async task\n", __FUNCTION__));
- return A_ERROR;
+ return -ENOMEM;
}
AR_DEBUG_PRINTF(ATH_DEBUG_TRACE, ("AR6000: start async task\n"));
wake_up_process(device->async_task );
} else {
taskFunc = enable_task;
taskName = "AR6K enable";
- ret = A_PENDING;
+ ret = -ENOMEM;
#endif /* CONFIG_PM */
}
/* create resume thread */
pTask = kthread_create(taskFunc, (void *)device, taskName);
if (IS_ERR(pTask)) {
AR_DEBUG_PRINTF(ATH_DEBUG_ERROR, ("AR6000: %s(), to create enabel task\n", __FUNCTION__));
- return A_ERROR;
+ return -ENOMEM;
}
wake_up_process(pTask);
AR_DEBUG_PRINTF(ATH_DEBUG_TRACE, ("AR6000: -hifEnableFunc\n"));
int status = 0;
struct hif_device *device;
- device = getHifDevice(func);
+ device = ath6kl_get_hifdev(func);
AR_DEBUG_PRINTF(ATH_DEBUG_TRACE, ("AR6000: +hifDeviceSuspend\n"));
if (device && device->claimedContext && osdrvCallbacks.deviceSuspendHandler) {
device->is_suspend = true; /* set true first for PowerStateChangeNotify(..) */
int status = 0;
struct hif_device *device;
- device = getHifDevice(func);
+ device = ath6kl_get_hifdev(func);
AR_DEBUG_PRINTF(ATH_DEBUG_TRACE, ("AR6000: +hifDeviceResume\n"));
if (device && device->claimedContext && osdrvCallbacks.deviceSuspendHandler) {
status = osdrvCallbacks.deviceResumeHandler(device->claimedContext);
}
#endif /* CONFIG_PM */
-static void hifDeviceRemoved(struct sdio_func *func)
-{
- int status = 0;
- struct hif_device *device;
- AR_DEBUG_ASSERT(func != NULL);
-
- AR_DEBUG_PRINTF(ATH_DEBUG_TRACE, ("AR6000: +hifDeviceRemoved\n"));
- device = getHifDevice(func);
- if (device->claimedContext != NULL) {
- status = osdrvCallbacks.deviceRemovedHandler(device->claimedContext, device);
- }
-
- if (device->is_disabled) {
- device->is_disabled = false;
- } else {
- status = hifDisableFunc(device, func);
- }
- CleanupHIFScatterResources(device);
-
- delHifDevice(device);
- AR_DEBUG_ASSERT(status == 0);
- AR_DEBUG_PRINTF(ATH_DEBUG_TRACE, ("AR6000: -hifDeviceRemoved\n"));
-}
-
/*
* This should be moved to AR6K HTC layer.
*/
return 0;
}
-
-static struct hif_device *
-addHifDevice(struct sdio_func *func)
-{
- struct hif_device *hifdevice;
- AR_DEBUG_PRINTF(ATH_DEBUG_TRACE, ("AR6000: addHifDevice\n"));
- AR_DEBUG_ASSERT(func != NULL);
- hifdevice = kzalloc(sizeof(struct hif_device), GFP_KERNEL);
- AR_DEBUG_ASSERT(hifdevice != NULL);
-#if HIF_USE_DMA_BOUNCE_BUFFER
- hifdevice->dma_buffer = kmalloc(HIF_DMA_BUFFER_SIZE, GFP_KERNEL);
- AR_DEBUG_ASSERT(hifdevice->dma_buffer != NULL);
-#endif
- hifdevice->func = func;
- hifdevice->powerConfig = HIF_DEVICE_POWER_UP;
- sdio_set_drvdata(func, hifdevice);
- AR_DEBUG_PRINTF(ATH_DEBUG_TRACE, ("AR6000: addHifDevice; 0x%p\n", hifdevice));
- return hifdevice;
-}
-
-static struct hif_device *
-getHifDevice(struct sdio_func *func)
-{
- AR_DEBUG_ASSERT(func != NULL);
- return (struct hif_device *)sdio_get_drvdata(func);
-}
-
static void
delHifDevice(struct hif_device * device)
{
projects / linux-2.6-block.git / blobdiff