20 #define j44(a, b)	(((a >> 4) & 0x0f) + (b & 0xf0))  argument
21 #define j53(a, b)	(((a >> 3) & 0x1f) + ((b << 4) & 0xe0))  argument
45 		w0(0x60+r); w2(1); w0(val); w2(4);  in epat_write_regr()
48 	case 4:  in epat_write_regr()
57 	int  a, b, r;  in epat_read_regr()  local
65 		a = r1(); w2(4); b = r1();  in epat_read_regr()
66 		return j44(a, b);  in epat_read_regr()
68 		w0(0x40+r); w2(1); w2(4);  in epat_read_regr()
69 		a = r1(); b = r2(); w0(0xff);  in epat_read_regr()
70 		return j53(a, b);  in epat_read_regr()
73 		a = r0(); w2(4);  in epat_read_regr()
74 		return a;  in epat_read_regr()
76 	case 4:  in epat_read_regr()
78 		w3(r); w2(0x24); a = r4(); w2(4);  in epat_read_regr()
79 		return a;  in epat_read_regr()
87 	int  k, ph, a, b;  in epat_read_block()  local
97 			w2(6 + ph); a = r1();  in epat_read_block()
98 			if (a & 8) {  in epat_read_block()
99 				b = a;  in epat_read_block()
101 				w2(4+ph); b = r1();  in epat_read_block()
103 			buf[k] = j44(a, b);  in epat_read_block()
106 		w0(0); w2(4);  in epat_read_block()
115 			w2(4 + ph);  in epat_read_block()
116 			a = r1(); b = r2();  in epat_read_block()
117 			buf[k] = j53(a, b);  in epat_read_block()
120 		w0(0); w2(4);  in epat_read_block()
133 		w2(0x25); w2(4);  in epat_read_block()
140 		w2(4); w3(0xa0); w2(0x24);  in epat_read_block()
142 		w2(4);  in epat_read_block()
145 	case 4:  in epat_read_block()
150 		w2(4); w3(0xa0); w2(0x24);  in epat_read_block()
152 		w2(4);  in epat_read_block()
157 		for (k = 0; k < count / 4 - 1; k++)  in epat_read_block()
159 		for (k = count - 4; k < count - 1; k++)  in epat_read_block()
161 		w2(4); w3(0xa0); w2(0x24);  in epat_read_block()
163 		w2(4);  in epat_read_block()
180 			w2(4 + ph);  in epat_write_block()
183 		w2(7); w2(4);  in epat_write_block()
189 		w2(4);  in epat_write_block()
191 	case 4:  in epat_write_block()
195 		w2(4);  in epat_write_block()
199 		for (k = 0; k < count / 4; k++)  in epat_write_block()
201 		w2(4);  in epat_write_block()
216 /* FIXME:  the CPP stuff should be fixed to handle multiple EPATs on a chain */
220 		w2(4); w0(0x22); w0(0xaa);	\
223 		w2(4); w2(5); w2(4); w0(0xff);	\
236 		w0(0); w2(1); w2(4);  in epat_connect()
241 		WR(0xf, 4);  in epat_connect()
242 		/* WR(0xe,0xa);WR(0xf,4); */  in epat_connect()
250 	w0(0); w2(1); w2(4); /* Idle into SPP */  in epat_connect()
252 		w0(0); w2(1); w2(4); w2(0xc);  in epat_connect()
254 		w0(0x40); w2(6); w2(7); w2(4); w2(0xc); w2(4);  in epat_connect()
318 		{ "4-bit", "5/3", "8-bit", "EPP-8", "EPP-16", "EPP-32" };  in epat_log_adapter()