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Diffstat (limited to 'include/asm-mips/jazzdma.h')
| -rw-r--r-- | include/asm-mips/jazzdma.h | 95 |
1 files changed, 0 insertions, 95 deletions
diff --git a/include/asm-mips/jazzdma.h b/include/asm-mips/jazzdma.h deleted file mode 100644 index 8bb37bba68f..00000000000 --- a/include/asm-mips/jazzdma.h +++ /dev/null @@ -1,95 +0,0 @@ -/* - * Helpfile for jazzdma.c -- Mips Jazz R4030 DMA controller support - */ -#ifndef _ASM_JAZZDMA_H -#define _ASM_JAZZDMA_H - -/* - * Prototypes and macros - */ -extern unsigned long vdma_alloc(unsigned long paddr, unsigned long size); -extern int vdma_free(unsigned long laddr); -extern int vdma_remap(unsigned long laddr, unsigned long paddr, - unsigned long size); -extern unsigned long vdma_phys2log(unsigned long paddr); -extern unsigned long vdma_log2phys(unsigned long laddr); -extern void vdma_stats(void); /* for debugging only */ - -extern void vdma_enable(int channel); -extern void vdma_disable(int channel); -extern void vdma_set_mode(int channel, int mode); -extern void vdma_set_addr(int channel, long addr); -extern void vdma_set_count(int channel, int count); -extern int vdma_get_residue(int channel); -extern int vdma_get_enable(int channel); - -/* - * some definitions used by the driver functions - */ -#define VDMA_PAGESIZE 4096 -#define VDMA_PGTBL_ENTRIES 4096 -#define VDMA_PGTBL_SIZE (sizeof(VDMA_PGTBL_ENTRY) * VDMA_PGTBL_ENTRIES) -#define VDMA_PAGE_EMPTY 0xff000000 - -/* - * Macros to get page no. and offset of a given address - * Note that VDMA_PAGE() works for physical addresses only - */ -#define VDMA_PAGE(a) ((unsigned int)(a) >> 12) -#define VDMA_OFFSET(a) ((unsigned int)(a) & (VDMA_PAGESIZE-1)) - -/* - * error code returned by vdma_alloc() - * (See also arch/mips/kernel/jazzdma.c) - */ -#define VDMA_ERROR 0xffffffff - -/* - * VDMA pagetable entry description - */ -typedef volatile struct VDMA_PGTBL_ENTRY { - unsigned int frame; /* physical frame no. */ - unsigned int owner; /* owner of this entry (0=free) */ -} VDMA_PGTBL_ENTRY; - - -/* - * DMA channel control registers - * in the R4030 MCT_ADR chip - */ -#define JAZZ_R4030_CHNL_MODE 0xE0000100 /* 8 DMA Channel Mode Registers, */ - /* 0xE0000100,120,140... */ -#define JAZZ_R4030_CHNL_ENABLE 0xE0000108 /* 8 DMA Channel Enable Regs, */ - /* 0xE0000108,128,148... */ -#define JAZZ_R4030_CHNL_COUNT 0xE0000110 /* 8 DMA Channel Byte Cnt Regs, */ - /* 0xE0000110,130,150... */ -#define JAZZ_R4030_CHNL_ADDR 0xE0000118 /* 8 DMA Channel Address Regs, */ - /* 0xE0000118,138,158... */ - -/* channel enable register bits */ - -#define R4030_CHNL_ENABLE (1<<0) -#define R4030_CHNL_WRITE (1<<1) -#define R4030_TC_INTR (1<<8) -#define R4030_MEM_INTR (1<<9) -#define R4030_ADDR_INTR (1<<10) - -/* - * Channel mode register bits - */ -#define R4030_MODE_ATIME_40 (0) /* device access time on remote bus */ -#define R4030_MODE_ATIME_80 (1) -#define R4030_MODE_ATIME_120 (2) -#define R4030_MODE_ATIME_160 (3) -#define R4030_MODE_ATIME_200 (4) -#define R4030_MODE_ATIME_240 (5) -#define R4030_MODE_ATIME_280 (6) -#define R4030_MODE_ATIME_320 (7) -#define R4030_MODE_WIDTH_8 (1<<3) /* device data bus width */ -#define R4030_MODE_WIDTH_16 (2<<3) -#define R4030_MODE_WIDTH_32 (3<<3) -#define R4030_MODE_INTR_EN (1<<5) -#define R4030_MODE_BURST (1<<6) /* Rev. 2 only */ -#define R4030_MODE_FAST_ACK (1<<7) /* Rev. 2 only */ - -#endif /* _ASM_JAZZDMA_H */ |