25 #define dma_outb	outb  macro
217 		dma_outb(dmanr,  DMA1_MASK_REG);  in enable_dma()
219 		dma_outb(dmanr & 3,  DMA2_MASK_REG);  in enable_dma()
225 		dma_outb(dmanr | 4,  DMA1_MASK_REG);  in disable_dma()
227 		dma_outb((dmanr & 3) | 4,  DMA2_MASK_REG);  in disable_dma()
240 		dma_outb(0,  DMA1_CLEAR_FF_REG);  in clear_dma_ff()
242 		dma_outb(0,  DMA2_CLEAR_FF_REG);  in clear_dma_ff()
249 		dma_outb(mode | dmanr,  DMA1_MODE_REG);  in set_dma_mode()
251 		dma_outb(mode | (dmanr&3),  DMA2_MODE_REG);  in set_dma_mode()
258 		dma_outb(ext_mode | dmanr,  DMA1_EXT_MODE_REG);  in set_dma_ext_mode()
260 		dma_outb(ext_mode | (dmanr&3),  DMA2_EXT_MODE_REG);  in set_dma_ext_mode()
271 			dma_outb(pagenr, DMA_PAGE_0);  in set_dma_page()
272 			dma_outb((pagenr >> 8), DMA_HIPAGE_0);  in set_dma_page()
275 			dma_outb(pagenr, DMA_PAGE_1);  in set_dma_page()
276 			dma_outb((pagenr >> 8), DMA_HIPAGE_1);  in set_dma_page()
279 			dma_outb(pagenr, DMA_PAGE_2);  in set_dma_page()
280 			dma_outb((pagenr >> 8), DMA_HIPAGE_2);  in set_dma_page()
283 			dma_outb(pagenr, DMA_PAGE_3);  in set_dma_page()
284 			dma_outb((pagenr >> 8), DMA_HIPAGE_3);  in set_dma_page()
287 			dma_outb(pagenr & 0xfe, DMA_PAGE_5);  in set_dma_page()
288 			dma_outb((pagenr >> 8), DMA_HIPAGE_5);  in set_dma_page()
291 			dma_outb(pagenr & 0xfe, DMA_PAGE_6);  in set_dma_page()
292 			dma_outb((pagenr >> 8), DMA_HIPAGE_6);  in set_dma_page()
295 			dma_outb(pagenr & 0xfe, DMA_PAGE_7);  in set_dma_page()
296 			dma_outb((pagenr >> 8), DMA_HIPAGE_7);  in set_dma_page()
308 	    dma_outb( a & 0xff, ((dmanr&3)<<1) + IO_DMA1_BASE );  in set_dma_addr()
309             dma_outb( (a>>8) & 0xff, ((dmanr&3)<<1) + IO_DMA1_BASE );  in set_dma_addr()
311 	    dma_outb( (a>>1) & 0xff, ((dmanr&3)<<2) + IO_DMA2_BASE );  in set_dma_addr()
312 	    dma_outb( (a>>9) & 0xff, ((dmanr&3)<<2) + IO_DMA2_BASE );  in set_dma_addr()
330 	    dma_outb( count & 0xff, ((dmanr&3)<<1) + 1 + IO_DMA1_BASE );  in set_dma_count()
331 	    dma_outb( (count>>8) & 0xff, ((dmanr&3)<<1) + 1 + IO_DMA1_BASE );  in set_dma_count()
333 	    dma_outb( (count>>1) & 0xff, ((dmanr&3)<<2) + 2 + IO_DMA2_BASE );  in set_dma_count()
334 	    dma_outb( (count>>9) & 0xff, ((dmanr&3)<<2) + 2 + IO_DMA2_BASE );  in set_dma_count()