26  *		4  16-bit EPP
30 #define j44(a, b)	(((a >> 4) & 0x0f) + (b & 0xf0))
31 #define j53(a, b)	(((a >> 3) & 0x1f) + ((b << 4) & 0xe0))
49 		a = r1(); w2(1); b = r1(); w2(4);  in epia_read_regr()
55 		a = r1(); b = r2(); w2(4);  in epia_read_regr()
60 		a = r0(); w2(4);  in epia_read_regr()
63 	case 4:  in epia_read_regr()
65 		w3(regr); w2(0x24); a = r4(); w2(4);  in epia_read_regr()
83 		w0(r); w2(1); w0(val); w2(3); w2(4);  in epia_write_regr()
86 	case 4:  in epia_write_regr()
89 		w3(r); w4(val); w2(4);  in epia_write_regr()
108 	w2(4); w0(0xa0); w0(0x50); w0(0xc0); w0(0x30); w0(0xa0); w0(0);  in epia_connect()
109 	w2(1); w2(4);  in epia_connect()
111 		w0(0xa); w2(1); w2(4); w0(0x82); w2(4); w2(0xc); w2(4);  in epia_connect()
112 		w2(0x24); w2(0x26); w2(4);  in epia_connect()
121 	w2(1); w2(4);  in epia_disconnect()
129 	int k, ph, a, b;  in epia_read_block()  local
135 		for (k = 0; k < count; k++) {  in epia_read_block()
137 			w2(4+ph); b = r1();  in epia_read_block()
138 			buf[k] = j44(a, b);  in epia_read_block()
141 		w0(0); w2(4);  in epia_read_block()
147 		for (k = 0; k < count; k++) {  in epia_read_block()
148 			w2(4 + ph);  in epia_read_block()
150 			buf[k] = j53(a, b);  in epia_read_block()
153 		w0(0); w2(4);  in epia_read_block()
158 		for (k = 0; k < count; k++) {  in epia_read_block()
160 			buf[k] = r0();  in epia_read_block()
163 		w2(6); w2(4);  in epia_read_block()
169 		for (k = 0; k < count; k++)  in epia_read_block()
170 			buf[k] = r4();  in epia_read_block()
171 		w2(4); WR(0x84, 0);  in epia_read_block()
173 	case 4:  in epia_read_block()
177 		for (k = 0; k < count / 2; k++)  in epia_read_block()
178 			((u16 *)buf)[k] = r4w();  in epia_read_block()
179 		w2(4); WR(0x84, 0);  in epia_read_block()
185 		for (k = 0; k < count / 4; k++)  in epia_read_block()
186 			((u32 *)buf)[k] = r4l();  in epia_read_block()
187 		w2(4); WR(0x84, 0);  in epia_read_block()
194 	int ph, k, last, d;  in epia_write_block()  local
202 		for (k = 0; k < count; k++) {  in epia_write_block()
203 			d = buf[k];  in epia_write_block()
208 			w2(4 + ph);  in epia_write_block()
211 		w2(7); w2(4);  in epia_write_block()
217 		for (k = 0; k < count; k++)  in epia_write_block()
218 			w4(buf[k]);  in epia_write_block()
222 	case 4:  in epia_write_block()
226 		for (k = 0; k < count / 2; k++)  in epia_write_block()
227 			w4w(((u16 *)buf)[k]);  in epia_write_block()
235 		for (k = 0; k < count / 4; k++)  in epia_write_block()
236 			w4l(((u32 *)buf)[k]);  in epia_write_block()
245 	int j, k, f;  in epia_test_proto()  local
252 		for (k = 0; k < 256; k++) {  in epia_test_proto()
253 			WR(2, k ^ 0xaa);  in epia_test_proto()
254 			WR(3, k ^ 0x55);  in epia_test_proto()
255 			if (RR(2) != (k ^ 0xaa))  in epia_test_proto()
266 	for (k = 0; k < 256; k++) {  in epia_test_proto()
267 		if ((scratch[2 * k] & 0xff) != ((k + 1) & 0xff))  in epia_test_proto()
269 		if ((scratch[2 * k + 1] & 0xff) != ((-2 - k) & 0xff))  in epia_test_proto()
284 	char *mode[6] = { "4-bit", "5/3", "8-bit", "EPP-8", "EPP-16", "EPP-32"};  in epia_log_adapter()