* 设定DMA 页面寄存器 */
| 116 | * 设定DMA 页面寄存器 |
| 117 | */ |
| 118 | static __inline__ void SetDmaPage(unsigned int dmanr, char pagenr) |
| 119 | { |
| 120 | switch(dmanr) { |
| 121 | case 0: |
| 122 | OUTB(pagenr, DMA_PAGE_0); |
| 123 | break; |
| 124 | case 1: |
| 125 | OUTB(pagenr, DMA_PAGE_1); |
| 126 | break; |
| 127 | case 2: |
| 128 | OUTB(pagenr, DMA_PAGE_2); |
| 129 | break; |
| 130 | case 3: |
| 131 | OUTB(pagenr, DMA_PAGE_3); |
| 132 | break; |
| 133 | case 5: |
| 134 | OUTB(pagenr & 0xfe, DMA_PAGE_5); |
| 135 | break; |
| 136 | case 6: |
| 137 | OUTB(pagenr & 0xfe, DMA_PAGE_6); |
| 138 | break; |
| 139 | case 7: |
| 140 | OUTB(pagenr & 0xfe, DMA_PAGE_7); |
| 141 | break; |
| 142 | } |
| 143 | } |
| 144 | |
| 145 | |
| 146 | /* |