diff options
Diffstat (limited to 'arch')
-rw-r--r-- | arch/blackfin/kernel/bfin_dma_5xx.c | 26 | ||||
-rw-r--r-- | arch/blackfin/mach-bf548/dma.c | 1 |
2 files changed, 27 insertions, 0 deletions
diff --git a/arch/blackfin/kernel/bfin_dma_5xx.c b/arch/blackfin/kernel/bfin_dma_5xx.c index e19164fb4cd1..503eef4c7fec 100644 --- a/arch/blackfin/kernel/bfin_dma_5xx.c +++ b/arch/blackfin/kernel/bfin_dma_5xx.c | |||
@@ -420,6 +420,32 @@ unsigned short get_dma_curr_ycount(unsigned int channel) | |||
420 | } | 420 | } |
421 | EXPORT_SYMBOL(get_dma_curr_ycount); | 421 | EXPORT_SYMBOL(get_dma_curr_ycount); |
422 | 422 | ||
423 | unsigned long get_dma_next_desc_ptr(unsigned int channel) | ||
424 | { | ||
425 | BUG_ON(!(dma_ch[channel].chan_status != DMA_CHANNEL_FREE | ||
426 | && channel < MAX_BLACKFIN_DMA_CHANNEL)); | ||
427 | |||
428 | return dma_ch[channel].regs->next_desc_ptr; | ||
429 | } | ||
430 | EXPORT_SYMBOL(get_dma_next_desc_ptr); | ||
431 | |||
432 | unsigned long get_dma_curr_desc_ptr(unsigned int channel) | ||
433 | { | ||
434 | BUG_ON(!(dma_ch[channel].chan_status != DMA_CHANNEL_FREE | ||
435 | && channel < MAX_BLACKFIN_DMA_CHANNEL)); | ||
436 | |||
437 | return dma_ch[channel].regs->curr_desc_ptr; | ||
438 | } | ||
439 | |||
440 | unsigned long get_dma_curr_addr(unsigned int channel) | ||
441 | { | ||
442 | BUG_ON(!(dma_ch[channel].chan_status != DMA_CHANNEL_FREE | ||
443 | && channel < MAX_BLACKFIN_DMA_CHANNEL)); | ||
444 | |||
445 | return dma_ch[channel].regs->curr_addr_ptr; | ||
446 | } | ||
447 | EXPORT_SYMBOL(get_dma_curr_addr); | ||
448 | |||
423 | static void *__dma_memcpy(void *dest, const void *src, size_t size) | 449 | static void *__dma_memcpy(void *dest, const void *src, size_t size) |
424 | { | 450 | { |
425 | int direction; /* 1 - address decrease, 0 - address increase */ | 451 | int direction; /* 1 - address decrease, 0 - address increase */ |
diff --git a/arch/blackfin/mach-bf548/dma.c b/arch/blackfin/mach-bf548/dma.c index a8184113be48..957bf1366eff 100644 --- a/arch/blackfin/mach-bf548/dma.c +++ b/arch/blackfin/mach-bf548/dma.c | |||
@@ -64,6 +64,7 @@ | |||
64 | (struct dma_register *) MDMA_D3_NEXT_DESC_PTR, | 64 | (struct dma_register *) MDMA_D3_NEXT_DESC_PTR, |
65 | (struct dma_register *) MDMA_S3_NEXT_DESC_PTR, | 65 | (struct dma_register *) MDMA_S3_NEXT_DESC_PTR, |
66 | }; | 66 | }; |
67 | EXPORT_SYMBOL(base_addr); | ||
67 | 68 | ||
68 | int channel2irq(unsigned int channel) | 69 | int channel2irq(unsigned int channel) |
69 | { | 70 | { |