summaryrefslogtreecommitdiffstats
path: root/include/asm-mips/jazzdma.h
diff options
context:
space:
mode:
Diffstat (limited to 'include/asm-mips/jazzdma.h')
-rw-r--r--include/asm-mips/jazzdma.h95
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 */