/* SPDX-License-Identifier: GPL-2.0 */ /* Defines for using and allocating dma channels. */ #ifndef _ASM_ARCH_DMA_H #define _ASM_ARCH_DMA_H #define MAX_DMA_CHANNELS 10 /* dma0 and dma1 used for network (ethernet) */ #define NETWORK_TX_DMA_NBR 0 #define NETWORK_RX_DMA_NBR 1 /* dma2 and dma3 shared by par0, scsi0, ser2 and ata */ #define PAR0_TX_DMA_NBR 2 #define PAR0_RX_DMA_NBR 3 #define SCSI0_TX_DMA_NBR 2 #define SCSI0_RX_DMA_NBR 3 #define SER2_TX_DMA_NBR 2 #define SER2_RX_DMA_NBR 3 #define ATA_TX_DMA_NBR 2 #define ATA_RX_DMA_NBR 3 /* dma4 and dma5 shared by par1, scsi1, ser3 and extdma0 */ #define PAR1_TX_DMA_NBR 4 #define PAR1_RX_DMA_NBR 5 #define SCSI1_TX_DMA_NBR 4 #define SCSI1_RX_DMA_NBR 5 #define SER3_TX_DMA_NBR 4 #define SER3_RX_DMA_NBR 5 #define EXTDMA0_TX_DMA_NBR 4 #define EXTDMA0_RX_DMA_NBR 5 /* dma6 and dma7 shared by ser0, extdma1 and mem2mem */ #define SER0_TX_DMA_NBR 6 #define SER0_RX_DMA_NBR 7 #define EXTDMA1_TX_DMA_NBR 6 #define EXTDMA1_RX_DMA_NBR 7 #define MEM2MEM_TX_DMA_NBR 6 #define MEM2MEM_RX_DMA_NBR 7 /* dma8 and dma9 shared by ser1 and usb */ #define SER1_TX_DMA_NBR 8 #define SER1_RX_DMA_NBR 9 #define USB_TX_DMA_NBR 8 #define USB_RX_DMA_NBR 9 #endif enum dma_owner { dma_eth, dma_ser0, dma_ser1, /* Async and sync */ dma_ser2, dma_ser3, /* Async and sync */ dma_ata, dma_par0, dma_par1, dma_ext0, dma_ext1, dma_int6, dma_int7, dma_usb, dma_scsi0, dma_scsi1 }; /* Masks used by cris_request_dma options: */ #define DMA_VERBOSE_ON_ERROR (1<<0) #define DMA_PANIC_ON_ERROR ((1<<1)|DMA_VERBOSE_ON_ERROR) int cris_request_dma(unsigned int dmanr, const char * device_id, unsigned options, enum dma_owner owner); void cris_free_dma(unsigned int dmanr, const char * device_id);
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bitops.h | File | 1.81 KB | 0644 |
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bug.h | File | 2.07 KB | 0644 |
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cache.h | File | 219 B | 0644 |
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checksum.h | File | 726 B | 0644 |
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delay.h | File | 394 B | 0644 |
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dma.h | File | 1.74 KB | 0644 |
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io.h | File | 6.46 KB | 0644 |
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io_interface_mux.h | File | 2.02 KB | 0644 |
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irq.h | File | 5.95 KB | 0644 |
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irqflags.h | File | 994 B | 0644 |
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memmap.h | File | 680 B | 0644 |
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mmu.h | File | 3.4 KB | 0644 |
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offset.h | File | 1.19 KB | 0644 |
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page.h | File | 920 B | 0644 |
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pgtable.h | File | 324 B | 0644 |
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processor.h | File | 2 KB | 0644 |
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swab.h | File | 672 B | 0644 |
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system.h | File | 809 B | 0644 |
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thread_info.h | File | 335 B | 0644 |
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timex.h | File | 982 B | 0644 |
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tlb.h | File | 394 B | 0644 |
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uaccess.h | File | 17.7 KB | 0644 |
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unistd.h | File | 4.38 KB | 0644 |
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