diff options
| -rw-r--r-- | drivers/media/video/cx18/cx18-driver.c | 28 | ||||
| -rw-r--r-- | drivers/media/video/cx18/cx18-driver.h | 9 | ||||
| -rw-r--r-- | drivers/media/video/cx18/cx18-mailbox.c | 40 | ||||
| -rw-r--r-- | drivers/media/video/cx18/cx18-mailbox.h | 2 |
4 files changed, 41 insertions, 38 deletions
diff --git a/drivers/media/video/cx18/cx18-driver.c b/drivers/media/video/cx18/cx18-driver.c index 49b1c3d7b1a8..79750208e042 100644 --- a/drivers/media/video/cx18/cx18-driver.c +++ b/drivers/media/video/cx18/cx18-driver.c @@ -562,16 +562,18 @@ static int __devinit cx18_init_struct1(struct cx18 *cx) mutex_init(&cx->epu2apu_mb_lock); mutex_init(&cx->epu2cpu_mb_lock); - cx->work_queue = create_singlethread_workqueue(cx->v4l2_dev.name); - if (cx->work_queue == NULL) { - CX18_ERR("Unable to create work hander thread\n"); + snprintf(cx->in_workq_name, sizeof(cx->in_workq_name), "%s-in", + cx->v4l2_dev.name); + cx->in_work_queue = create_singlethread_workqueue(cx->in_workq_name); + if (cx->in_work_queue == NULL) { + CX18_ERR("Unable to create incoming mailbox handler thread\n"); return -ENOMEM; } - for (i = 0; i < CX18_MAX_EPU_WORK_ORDERS; i++) { - cx->epu_work_order[i].cx = cx; - cx->epu_work_order[i].str = cx->epu_debug_str; - INIT_WORK(&cx->epu_work_order[i].work, cx18_epu_work_handler); + for (i = 0; i < CX18_MAX_IN_WORK_ORDERS; i++) { + cx->in_work_order[i].cx = cx; + cx->in_work_order[i].str = cx->epu_debug_str; + INIT_WORK(&cx->in_work_order[i].work, cx18_in_work_handler); } /* start counting open_id at 1 */ @@ -944,7 +946,7 @@ free_map: free_mem: release_mem_region(cx->base_addr, CX18_MEM_SIZE); free_workqueue: - destroy_workqueue(cx->work_queue); + destroy_workqueue(cx->in_work_queue); err: if (retval == 0) retval = -ENODEV; @@ -1053,11 +1055,11 @@ int cx18_init_on_first_open(struct cx18 *cx) return 0; } -static void cx18_cancel_epu_work_orders(struct cx18 *cx) +static void cx18_cancel_in_work_orders(struct cx18 *cx) { int i; - for (i = 0; i < CX18_MAX_EPU_WORK_ORDERS; i++) - cancel_work_sync(&cx->epu_work_order[i].work); + for (i = 0; i < CX18_MAX_IN_WORK_ORDERS; i++) + cancel_work_sync(&cx->in_work_order[i].work); } static void cx18_remove(struct pci_dev *pci_dev) @@ -1079,9 +1081,9 @@ static void cx18_remove(struct pci_dev *pci_dev) cx18_halt_firmware(cx); - cx18_cancel_epu_work_orders(cx); + cx18_cancel_in_work_orders(cx); - destroy_workqueue(cx->work_queue); + destroy_workqueue(cx->in_work_queue); cx18_streams_cleanup(cx, 1); diff --git a/drivers/media/video/cx18/cx18-driver.h b/drivers/media/video/cx18/cx18-driver.h index ece4f281ef42..e6f42d0cb2b3 100644 --- a/drivers/media/video/cx18/cx18-driver.h +++ b/drivers/media/video/cx18/cx18-driver.h @@ -305,7 +305,7 @@ struct cx18_scb; /* forward reference */ #define CX18_MAX_MDL_ACKS 2 -#define CX18_MAX_EPU_WORK_ORDERS (CX18_MAX_FW_MDLS_PER_STREAM + 7) +#define CX18_MAX_IN_WORK_ORDERS (CX18_MAX_FW_MDLS_PER_STREAM + 7) /* CPU_DE_RELEASE_MDL can burst CX18_MAX_FW_MDLS_PER_STREAM orders in a group */ #define CX18_F_EWO_MB_STALE_UPON_RECEIPT 0x1 @@ -313,7 +313,7 @@ struct cx18_scb; /* forward reference */ #define CX18_F_EWO_MB_STALE \ (CX18_F_EWO_MB_STALE_UPON_RECEIPT | CX18_F_EWO_MB_STALE_WHILE_PROC) -struct cx18_epu_work_order { +struct cx18_in_work_order { struct work_struct work; atomic_t pending; struct cx18 *cx; @@ -568,8 +568,9 @@ struct cx18 { u32 sw2_irq_mask; u32 hw2_irq_mask; - struct workqueue_struct *work_queue; - struct cx18_epu_work_order epu_work_order[CX18_MAX_EPU_WORK_ORDERS]; + struct workqueue_struct *in_work_queue; + char in_workq_name[11]; /* "cx18-NN-in" */ + struct cx18_in_work_order in_work_order[CX18_MAX_IN_WORK_ORDERS]; char epu_debug_str[256]; /* CX18_EPU_DEBUG is rare: use shared space */ /* i2c */ diff --git a/drivers/media/video/cx18/cx18-mailbox.c b/drivers/media/video/cx18/cx18-mailbox.c index 2226e5791e99..2a4d4356d1bc 100644 --- a/drivers/media/video/cx18/cx18-mailbox.c +++ b/drivers/media/video/cx18/cx18-mailbox.c @@ -131,7 +131,7 @@ static void dump_mb(struct cx18 *cx, struct cx18_mailbox *mb, char *name) * Functions that run in a work_queue work handling context */ -static void epu_dma_done(struct cx18 *cx, struct cx18_epu_work_order *order) +static void epu_dma_done(struct cx18 *cx, struct cx18_in_work_order *order) { u32 handle, mdl_ack_count, id; struct cx18_mailbox *mb; @@ -213,7 +213,7 @@ static void epu_dma_done(struct cx18 *cx, struct cx18_epu_work_order *order) wake_up(&s->waitq); } -static void epu_debug(struct cx18 *cx, struct cx18_epu_work_order *order) +static void epu_debug(struct cx18 *cx, struct cx18_in_work_order *order) { char *p; char *str = order->str; @@ -224,7 +224,7 @@ static void epu_debug(struct cx18 *cx, struct cx18_epu_work_order *order) CX18_INFO("FW version: %s\n", p - 1); } -static void epu_cmd(struct cx18 *cx, struct cx18_epu_work_order *order) +static void epu_cmd(struct cx18 *cx, struct cx18_in_work_order *order) { switch (order->rpu) { case CPU: @@ -253,18 +253,18 @@ static void epu_cmd(struct cx18 *cx, struct cx18_epu_work_order *order) } static -void free_epu_work_order(struct cx18 *cx, struct cx18_epu_work_order *order) +void free_in_work_order(struct cx18 *cx, struct cx18_in_work_order *order) { atomic_set(&order->pending, 0); } -void cx18_epu_work_handler(struct work_struct *work) +void cx18_in_work_handler(struct work_struct *work) { - struct cx18_epu_work_order *order = - container_of(work, struct cx18_epu_work_order, work); + struct cx18_in_work_order *order = + container_of(work, struct cx18_in_work_order, work); struct cx18 *cx = order->cx; epu_cmd(cx, order); - free_epu_work_order(cx, order); + free_in_work_order(cx, order); } @@ -272,7 +272,7 @@ void cx18_epu_work_handler(struct work_struct *work) * Functions that run in an interrupt handling context */ -static void mb_ack_irq(struct cx18 *cx, struct cx18_epu_work_order *order) +static void mb_ack_irq(struct cx18 *cx, struct cx18_in_work_order *order) { struct cx18_mailbox __iomem *ack_mb; u32 ack_irq, req; @@ -308,7 +308,7 @@ static void mb_ack_irq(struct cx18 *cx, struct cx18_epu_work_order *order) return; } -static int epu_dma_done_irq(struct cx18 *cx, struct cx18_epu_work_order *order) +static int epu_dma_done_irq(struct cx18 *cx, struct cx18_in_work_order *order) { u32 handle, mdl_ack_offset, mdl_ack_count; struct cx18_mailbox *mb; @@ -334,7 +334,7 @@ static int epu_dma_done_irq(struct cx18 *cx, struct cx18_epu_work_order *order) } static -int epu_debug_irq(struct cx18 *cx, struct cx18_epu_work_order *order) +int epu_debug_irq(struct cx18 *cx, struct cx18_in_work_order *order) { u32 str_offset; char *str = order->str; @@ -355,7 +355,7 @@ int epu_debug_irq(struct cx18 *cx, struct cx18_epu_work_order *order) } static inline -int epu_cmd_irq(struct cx18 *cx, struct cx18_epu_work_order *order) +int epu_cmd_irq(struct cx18 *cx, struct cx18_in_work_order *order) { int ret = -1; @@ -387,12 +387,12 @@ int epu_cmd_irq(struct cx18 *cx, struct cx18_epu_work_order *order) } static inline -struct cx18_epu_work_order *alloc_epu_work_order_irq(struct cx18 *cx) +struct cx18_in_work_order *alloc_in_work_order_irq(struct cx18 *cx) { int i; - struct cx18_epu_work_order *order = NULL; + struct cx18_in_work_order *order = NULL; - for (i = 0; i < CX18_MAX_EPU_WORK_ORDERS; i++) { + for (i = 0; i < CX18_MAX_IN_WORK_ORDERS; i++) { /* * We only need "pending" atomic to inspect its contents, * and need not do a check and set because: @@ -401,8 +401,8 @@ struct cx18_epu_work_order *alloc_epu_work_order_irq(struct cx18 *cx) * 2. "pending" is only set here, and we're serialized because * we're called in an IRQ handler context. */ - if (atomic_read(&cx->epu_work_order[i].pending) == 0) { - order = &cx->epu_work_order[i]; + if (atomic_read(&cx->in_work_order[i].pending) == 0) { + order = &cx->in_work_order[i]; atomic_set(&order->pending, 1); break; } @@ -414,7 +414,7 @@ void cx18_api_epu_cmd_irq(struct cx18 *cx, int rpu) { struct cx18_mailbox __iomem *mb; struct cx18_mailbox *order_mb; - struct cx18_epu_work_order *order; + struct cx18_in_work_order *order; int submit; switch (rpu) { @@ -428,7 +428,7 @@ void cx18_api_epu_cmd_irq(struct cx18 *cx, int rpu) return; } - order = alloc_epu_work_order_irq(cx); + order = alloc_in_work_order_irq(cx); if (order == NULL) { CX18_WARN("Unable to find blank work order form to schedule " "incoming mailbox command processing\n"); @@ -461,7 +461,7 @@ void cx18_api_epu_cmd_irq(struct cx18 *cx, int rpu) */ submit = epu_cmd_irq(cx, order); if (submit > 0) { - queue_work(cx->work_queue, &order->work); + queue_work(cx->in_work_queue, &order->work); } } diff --git a/drivers/media/video/cx18/cx18-mailbox.h b/drivers/media/video/cx18/cx18-mailbox.h index ce2b6686aa00..e23aaac5b280 100644 --- a/drivers/media/video/cx18/cx18-mailbox.h +++ b/drivers/media/video/cx18/cx18-mailbox.h @@ -95,6 +95,6 @@ int cx18_api_func(void *priv, u32 cmd, int in, int out, void cx18_api_epu_cmd_irq(struct cx18 *cx, int rpu); -void cx18_epu_work_handler(struct work_struct *work); +void cx18_in_work_handler(struct work_struct *work); #endif |