24 #define ISA_DMA_MASK		0
34 	{  0x0a,  0x0b,  0x0c,  0x487,  0x087,  0x00, 0x01 },
35 	{  0x0a,  0x0b,  0x0c,  0x483,  0x083,  0x02, 0x03 },
36 	{  0x0a,  0x0b,  0x0c,  0x481,  0x081,  0x04, 0x05 },
37 	{  0x0a,  0x0b,  0x0c,  0x482,  0x082,  0x06, 0x07 },
38 	{  0xd4,  0xd6,  0xd8,  0x000,  0x000,  0xc0, 0xc2 },
39 	{  0xd4,  0xd6,  0xd8,  0x48b,  0x08b,  0xc4, 0xc6 },
40 	{  0xd4,  0xd6,  0xd8,  0x489,  0x089,  0xc8, 0xca },
41 	{  0xd4,  0xd6,  0xd8,  0x48a,  0x08a,  0xcc, 0xce }
57 	.coherent_dma_mask	= ~(dma_addr_t)0,
111 		outb(0, isa_dma_port[chan][ISA_DMA_CLRFF]);  in isa_enable_dma()
120 		dma->invalid = 0;  in isa_enable_dma()
139 	.start	= 0x0000,
140 	.end	= 0x000f
143 	.start	= 0x0080,
144 	.end 	= 0x008f
147 	.start	= 0x00c0,
148 	.end	= 0x00df
151 	.start	= 0x0480,
152 	.end	= 0x048f
158  * ISA DMA always starts at channel 0
165 	 * channel 0's DMA address registers are writeable.  in isa_dma_init()
167 	outb(0xff, 0x0d);  in isa_dma_init()
168 	outb(0xff, 0xda);  in isa_dma_init()
174 	outb(0x55, 0x00);  in isa_dma_init()
175 	outb(0xaa, 0x00);  in isa_dma_init()
177 	if (inb(0) == 0x55 && inb(0) == 0xaa) {  in isa_dma_init()
180 		for (chan = 0; chan < 8; chan++) {  in isa_dma_init()
185 		outb(0x40, 0x0b);  in isa_dma_init()
186 		outb(0x41, 0x0b);  in isa_dma_init()
187 		outb(0x42, 0x0b);  in isa_dma_init()
188 		outb(0x43, 0x0b);  in isa_dma_init()
190 		outb(0xc0, 0xd6);  in isa_dma_init()
191 		outb(0x41, 0xd6);  in isa_dma_init()
192 		outb(0x42, 0xd6);  in isa_dma_init()
193 		outb(0x43, 0xd6);  in isa_dma_init()
195 		outb(0, 0xd4);  in isa_dma_init()
197 		outb(0x10, 0x08);  in isa_dma_init()
198 		outb(0x10, 0xd0);  in isa_dma_init()
203 		 *  outb(0x3f, 0x40b); outb(0x3f, 0x4d6);  in isa_dma_init()
205 		outb(0x30, 0x40b);  in isa_dma_init()
206 		outb(0x31, 0x40b);  in isa_dma_init()
207 		outb(0x32, 0x40b);  in isa_dma_init()
208 		outb(0x33, 0x40b);  in isa_dma_init()
209 		outb(0x31, 0x4d6);  in isa_dma_init()
210 		outb(0x32, 0x4d6);  in isa_dma_init()
211 		outb(0x33, 0x4d6);  in isa_dma_init()
213 		for (i = 0; i < ARRAY_SIZE(dma_resources); i++)  in isa_dma_init()
216 		for (chan = 0; chan < 8; chan++) {  in isa_dma_init()
228 	return 0;  in isa_dma_init()