32 	u16 dcb = 0x0000;  in dcb_table()
35 		dcb = nvbios_rd16(bios, 0x36);  in dcb_table()
43 	if (*ver >= 0x42) {  in dcb_table()
44 		nvkm_warn(subdev, "DCB version 0x%02x unknown\n", *ver);  in dcb_table()
45 		return 0x0000;  in dcb_table()
47 	if (*ver >= 0x30) {  in dcb_table()
48 		if (nvbios_rd32(bios, dcb + 6) == 0x4edcbdcb) {  in dcb_table()
55 	if (*ver >= 0x20) {  in dcb_table()
56 		if (nvbios_rd32(bios, dcb + 4) == 0x4edcbdcb) {  in dcb_table()
64 	if (*ver >= 0x15) {  in dcb_table()
91 		return 0x0000;  in dcb_table()
95 	return 0x0000;  in dcb_table()
105 	return 0x0000;  in dcb_outp()
125 	memset(outp, 0x00, sizeof(*outp));  in dcb_outp_parse()
127 		if (*ver >= 0x20) {  in dcb_outp_parse()
128 			u32 conn = nvbios_rd32(bios, dcb + 0x00);  in dcb_outp_parse()
129 			outp->or        = (conn & 0x0f000000) >> 24;  in dcb_outp_parse()
130 			outp->location  = (conn & 0x00300000) >> 20;  in dcb_outp_parse()
131 			outp->bus       = (conn & 0x000f0000) >> 16;  in dcb_outp_parse()
132 			outp->connector = (conn & 0x0000f000) >> 12;  in dcb_outp_parse()
133 			outp->heads     = (conn & 0x00000f00) >> 8;  in dcb_outp_parse()
134 			outp->i2c_index = (conn & 0x000000f0) >> 4;  in dcb_outp_parse()
135 			outp->type      = (conn & 0x0000000f);  in dcb_outp_parse()
136 			outp->link      = 0;  in dcb_outp_parse()
138 			dcb = 0x0000;  in dcb_outp_parse()
141 		if (*ver >= 0x40) {  in dcb_outp_parse()
142 			u32 conf = nvbios_rd32(bios, dcb + 0x04);  in dcb_outp_parse()
145 				switch (conf & 0x00e00000) {  in dcb_outp_parse()
146 				case 0x00000000: /* 1.62 */  in dcb_outp_parse()
147 					outp->dpconf.link_bw = 0x06;  in dcb_outp_parse()
149 				case 0x00200000: /* 2.7 */  in dcb_outp_parse()
150 					outp->dpconf.link_bw = 0x0a;  in dcb_outp_parse()
152 				case 0x00400000: /* 5.4 */  in dcb_outp_parse()
153 					outp->dpconf.link_bw = 0x14;  in dcb_outp_parse()
155 				case 0x00600000: /* 8.1 */  in dcb_outp_parse()
157 					outp->dpconf.link_bw = 0x1e;  in dcb_outp_parse()
161 				switch ((conf & 0x0f000000) >> 24) {  in dcb_outp_parse()
162 				case 0xf:  in dcb_outp_parse()
163 				case 0x4:  in dcb_outp_parse()
166 				case 0x3:  in dcb_outp_parse()
167 				case 0x2:  in dcb_outp_parse()
170 				case 0x1:  in dcb_outp_parse()
179 				outp->link = (conf & 0x00000030) >> 4;  in dcb_outp_parse()
181 				outp->extdev = 0x00;  in dcb_outp_parse()
182 				if (outp->location != 0)  in dcb_outp_parse()
183 					outp->extdev = (conf & 0x0000ff00) >> 8;  in dcb_outp_parse()
200 	u16 dcb, idx = 0;  in dcb_outp_match()
202 		if ((dcb_outp_hasht(outp) & 0x00ff) == (type & 0x00ff)) {  in dcb_outp_match()
219 		if (nvbios_rd32(bios, outp) == 0x00000000)  in dcb_outp_foreach()
221 		if (nvbios_rd32(bios, outp) == 0xffffffff)  in dcb_outp_foreach()
222 			break; /* seen on an NV17 with DCB v2.0 */  in dcb_outp_foreach()
234 	return 0;  in dcb_outp_foreach()