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author | Srikant Patnaik | 2015-01-13 15:08:24 +0530 |
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committer | Srikant Patnaik | 2015-01-13 15:08:24 +0530 |
commit | 97327692361306d1e6259021bc425e32832fdb50 (patch) | |
tree | fe9088f3248ec61e24f404f21b9793cb644b7f01 /arch/blackfin/mach-bf561/dma.c | |
parent | 2d05a8f663478a44e088d122e0d62109bbc801d0 (diff) | |
parent | a3a8b90b61e21be3dde9101c4e86c881e0f06210 (diff) | |
download | FOSSEE-netbook-kernel-source-97327692361306d1e6259021bc425e32832fdb50.tar.gz FOSSEE-netbook-kernel-source-97327692361306d1e6259021bc425e32832fdb50.tar.bz2 FOSSEE-netbook-kernel-source-97327692361306d1e6259021bc425e32832fdb50.zip |
dirty fix to merging
Diffstat (limited to 'arch/blackfin/mach-bf561/dma.c')
-rw-r--r-- | arch/blackfin/mach-bf561/dma.c | 114 |
1 files changed, 114 insertions, 0 deletions
diff --git a/arch/blackfin/mach-bf561/dma.c b/arch/blackfin/mach-bf561/dma.c new file mode 100644 index 00000000..8ffdd6b4 --- /dev/null +++ b/arch/blackfin/mach-bf561/dma.c @@ -0,0 +1,114 @@ +/* + * the simple DMA Implementation for Blackfin + * + * Copyright 2007-2008 Analog Devices Inc. + * + * Licensed under the GPL-2 or later. + */ + +#include <linux/module.h> + +#include <asm/blackfin.h> +#include <asm/dma.h> + +struct dma_register * const dma_io_base_addr[MAX_DMA_CHANNELS] = { + (struct dma_register *) DMA1_0_NEXT_DESC_PTR, + (struct dma_register *) DMA1_1_NEXT_DESC_PTR, + (struct dma_register *) DMA1_2_NEXT_DESC_PTR, + (struct dma_register *) DMA1_3_NEXT_DESC_PTR, + (struct dma_register *) DMA1_4_NEXT_DESC_PTR, + (struct dma_register *) DMA1_5_NEXT_DESC_PTR, + (struct dma_register *) DMA1_6_NEXT_DESC_PTR, + (struct dma_register *) DMA1_7_NEXT_DESC_PTR, + (struct dma_register *) DMA1_8_NEXT_DESC_PTR, + (struct dma_register *) DMA1_9_NEXT_DESC_PTR, + (struct dma_register *) DMA1_10_NEXT_DESC_PTR, + (struct dma_register *) DMA1_11_NEXT_DESC_PTR, + (struct dma_register *) DMA2_0_NEXT_DESC_PTR, + (struct dma_register *) DMA2_1_NEXT_DESC_PTR, + (struct dma_register *) DMA2_2_NEXT_DESC_PTR, + (struct dma_register *) DMA2_3_NEXT_DESC_PTR, + (struct dma_register *) DMA2_4_NEXT_DESC_PTR, + (struct dma_register *) DMA2_5_NEXT_DESC_PTR, + (struct dma_register *) DMA2_6_NEXT_DESC_PTR, + (struct dma_register *) DMA2_7_NEXT_DESC_PTR, + (struct dma_register *) DMA2_8_NEXT_DESC_PTR, + (struct dma_register *) DMA2_9_NEXT_DESC_PTR, + (struct dma_register *) DMA2_10_NEXT_DESC_PTR, + (struct dma_register *) DMA2_11_NEXT_DESC_PTR, + (struct dma_register *) MDMA_D0_NEXT_DESC_PTR, + (struct dma_register *) MDMA_S0_NEXT_DESC_PTR, + (struct dma_register *) MDMA_D1_NEXT_DESC_PTR, + (struct dma_register *) MDMA_S1_NEXT_DESC_PTR, + (struct dma_register *) MDMA_D2_NEXT_DESC_PTR, + (struct dma_register *) MDMA_S2_NEXT_DESC_PTR, + (struct dma_register *) MDMA_D3_NEXT_DESC_PTR, + (struct dma_register *) MDMA_S3_NEXT_DESC_PTR, + (struct dma_register *) IMDMA_D0_NEXT_DESC_PTR, + (struct dma_register *) IMDMA_S0_NEXT_DESC_PTR, + (struct dma_register *) IMDMA_D1_NEXT_DESC_PTR, + (struct dma_register *) IMDMA_S1_NEXT_DESC_PTR, +}; +EXPORT_SYMBOL(dma_io_base_addr); + +int channel2irq(unsigned int channel) +{ + int ret_irq = -1; + + switch (channel) { + case CH_PPI0: + ret_irq = IRQ_PPI0; + break; + case CH_PPI1: + ret_irq = IRQ_PPI1; + break; + case CH_SPORT0_RX: + ret_irq = IRQ_SPORT0_RX; + break; + case CH_SPORT0_TX: + ret_irq = IRQ_SPORT0_TX; + break; + case CH_SPORT1_RX: + ret_irq = IRQ_SPORT1_RX; + break; + case CH_SPORT1_TX: + ret_irq = IRQ_SPORT1_TX; + break; + case CH_SPI: + ret_irq = IRQ_SPI; + break; + case CH_UART_RX: + ret_irq = IRQ_UART_RX; + break; + case CH_UART_TX: + ret_irq = IRQ_UART_TX; + break; + + case CH_MEM_STREAM0_SRC: + case CH_MEM_STREAM0_DEST: + ret_irq = IRQ_MEM_DMA0; + break; + case CH_MEM_STREAM1_SRC: + case CH_MEM_STREAM1_DEST: + ret_irq = IRQ_MEM_DMA1; + break; + case CH_MEM_STREAM2_SRC: + case CH_MEM_STREAM2_DEST: + ret_irq = IRQ_MEM_DMA2; + break; + case CH_MEM_STREAM3_SRC: + case CH_MEM_STREAM3_DEST: + ret_irq = IRQ_MEM_DMA3; + break; + + case CH_IMEM_STREAM0_SRC: + case CH_IMEM_STREAM0_DEST: + ret_irq = IRQ_IMEM_DMA0; + break; + case CH_IMEM_STREAM1_SRC: + case CH_IMEM_STREAM1_DEST: + ret_irq = IRQ_IMEM_DMA1; + break; + } + return ret_irq; +} |