1 /**************************************************************************** 2 **************************************************************************** 3 *** 4 *** This header was automatically generated from a Linux kernel header 5 *** of the same name, to make information necessary for userspace to 6 *** call into the kernel available to libc. It contains only constants, 7 *** structures, and macros generated from the original header, and thus, 8 *** contains no copyrightable information. 9 *** 10 **************************************************************************** 11 ****************************************************************************/ 12 #ifndef _ASM_DMA_H 13 #define _ASM_DMA_H 14 15 #include <linux/spinlock.h> 16 #include <asm/io.h> 17 #include <linux/delay.h> 18 19 #ifdef HAVE_REALLY_SLOW_DMA_CONTROLLER 20 #define dma_outb outb_p 21 #else 22 #define dma_outb outb 23 #endif 24 25 #define dma_inb inb 26 27 #define MAX_DMA_CHANNELS 8 28 29 #define MAX_DMA_ADDRESS (PAGE_OFFSET+0x1000000) 30 31 #define IO_DMA1_BASE 0x00 32 #define IO_DMA2_BASE 0xC0 33 34 #define DMA1_CMD_REG 0x08 35 #define DMA1_STAT_REG 0x08 36 #define DMA1_REQ_REG 0x09 37 #define DMA1_MASK_REG 0x0A 38 #define DMA1_MODE_REG 0x0B 39 #define DMA1_CLEAR_FF_REG 0x0C 40 #define DMA1_TEMP_REG 0x0D 41 #define DMA1_RESET_REG 0x0D 42 #define DMA1_CLR_MASK_REG 0x0E 43 #define DMA1_MASK_ALL_REG 0x0F 44 45 #define DMA2_CMD_REG 0xD0 46 #define DMA2_STAT_REG 0xD0 47 #define DMA2_REQ_REG 0xD2 48 #define DMA2_MASK_REG 0xD4 49 #define DMA2_MODE_REG 0xD6 50 #define DMA2_CLEAR_FF_REG 0xD8 51 #define DMA2_TEMP_REG 0xDA 52 #define DMA2_RESET_REG 0xDA 53 #define DMA2_CLR_MASK_REG 0xDC 54 #define DMA2_MASK_ALL_REG 0xDE 55 56 #define DMA_ADDR_0 0x00 57 #define DMA_ADDR_1 0x02 58 #define DMA_ADDR_2 0x04 59 #define DMA_ADDR_3 0x06 60 #define DMA_ADDR_4 0xC0 61 #define DMA_ADDR_5 0xC4 62 #define DMA_ADDR_6 0xC8 63 #define DMA_ADDR_7 0xCC 64 65 #define DMA_CNT_0 0x01 66 #define DMA_CNT_1 0x03 67 #define DMA_CNT_2 0x05 68 #define DMA_CNT_3 0x07 69 #define DMA_CNT_4 0xC2 70 #define DMA_CNT_5 0xC6 71 #define DMA_CNT_6 0xCA 72 #define DMA_CNT_7 0xCE 73 74 #define DMA_PAGE_0 0x87 75 #define DMA_PAGE_1 0x83 76 #define DMA_PAGE_2 0x81 77 #define DMA_PAGE_3 0x82 78 #define DMA_PAGE_5 0x8B 79 #define DMA_PAGE_6 0x89 80 #define DMA_PAGE_7 0x8A 81 82 #define DMA_MODE_READ 0x44 83 #define DMA_MODE_WRITE 0x48 84 #define DMA_MODE_CASCADE 0xC0 85 86 #define DMA_AUTOINIT 0x10 87 88 #define isa_dma_bridge_buggy (0) 89 90 #endif 91