1 /*
2 * Copyright 2012 Nouveau Community
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
10 *
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
13 *
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20 * OTHER DEALINGS IN THE SOFTWARE.
21 *
22 * Authors: Martin Peres
23 */
24
25 #include <subdev/bios.h>
26 #include <subdev/bios/bit.h>
27 #include <subdev/bios/perf.h>
28
29 u16
nvbios_perf_table(struct nouveau_bios * bios,u8 * ver,u8 * hdr,u8 * cnt,u8 * len,u8 * snr,u8 * ssz)30 nvbios_perf_table(struct nouveau_bios *bios, u8 *ver, u8 *hdr,
31 u8 *cnt, u8 *len, u8 *snr, u8 *ssz)
32 {
33 struct bit_entry bit_P;
34 u16 perf = 0x0000;
35
36 if (!bit_entry(bios, 'P', &bit_P)) {
37 if (bit_P.version <= 2) {
38 perf = nv_ro16(bios, bit_P.offset + 0);
39 if (perf) {
40 *ver = nv_ro08(bios, perf + 0);
41 *hdr = nv_ro08(bios, perf + 1);
42 if (*ver >= 0x40 && *ver < 0x41) {
43 *cnt = nv_ro08(bios, perf + 5);
44 *len = nv_ro08(bios, perf + 2);
45 *snr = nv_ro08(bios, perf + 4);
46 *ssz = nv_ro08(bios, perf + 3);
47 return perf;
48 } else
49 if (*ver >= 0x20 && *ver < 0x40) {
50 *cnt = nv_ro08(bios, perf + 2);
51 *len = nv_ro08(bios, perf + 3);
52 *snr = nv_ro08(bios, perf + 4);
53 *ssz = nv_ro08(bios, perf + 5);
54 return perf;
55 }
56 }
57 }
58 }
59
60 if (bios->bmp_offset) {
61 if (nv_ro08(bios, bios->bmp_offset + 6) >= 0x25) {
62 perf = nv_ro16(bios, bios->bmp_offset + 0x94);
63 if (perf) {
64 *hdr = nv_ro08(bios, perf + 0);
65 *ver = nv_ro08(bios, perf + 1);
66 *cnt = nv_ro08(bios, perf + 2);
67 *len = nv_ro08(bios, perf + 3);
68 *snr = 0;
69 *ssz = 0;
70 return perf;
71 }
72 }
73 }
74
75 return 0x0000;
76 }
77
78 u16
nvbios_perf_entry(struct nouveau_bios * bios,int idx,u8 * ver,u8 * hdr,u8 * cnt,u8 * len)79 nvbios_perf_entry(struct nouveau_bios *bios, int idx,
80 u8 *ver, u8 *hdr, u8 *cnt, u8 *len)
81 {
82 u8 snr, ssz;
83 u16 perf = nvbios_perf_table(bios, ver, hdr, cnt, len, &snr, &ssz);
84 if (perf && idx < *cnt) {
85 perf = perf + *hdr + (idx * (*len + (snr * ssz)));
86 *hdr = *len;
87 *cnt = snr;
88 *len = ssz;
89 return perf;
90 }
91 return 0x0000;
92 }
93
94 u16
nvbios_perfEp(struct nouveau_bios * bios,int idx,u8 * ver,u8 * hdr,u8 * cnt,u8 * len,struct nvbios_perfE * info)95 nvbios_perfEp(struct nouveau_bios *bios, int idx,
96 u8 *ver, u8 *hdr, u8 *cnt, u8 *len,
97 struct nvbios_perfE *info)
98 {
99 u16 perf = nvbios_perf_entry(bios, idx, ver, hdr, cnt, len);
100 memset(info, 0x00, sizeof(*info));
101 info->pstate = nv_ro08(bios, perf + 0x00);
102 switch (!!perf * *ver) {
103 case 0x12:
104 case 0x13:
105 case 0x14:
106 info->core = nv_ro32(bios, perf + 0x01) * 10;
107 info->memory = nv_ro32(bios, perf + 0x05) * 20;
108 info->fanspeed = nv_ro08(bios, perf + 0x37);
109 if (*hdr > 0x38)
110 info->voltage = nv_ro08(bios, perf + 0x38);
111 break;
112 case 0x21:
113 case 0x23:
114 case 0x24:
115 info->fanspeed = nv_ro08(bios, perf + 0x04);
116 info->voltage = nv_ro08(bios, perf + 0x05);
117 info->shader = nv_ro16(bios, perf + 0x06) * 1000;
118 info->core = info->shader + (signed char)
119 nv_ro08(bios, perf + 0x08) * 1000;
120 switch (nv_device(bios)->chipset) {
121 case 0x49:
122 case 0x4b:
123 info->memory = nv_ro16(bios, perf + 0x0b) * 1000;
124 break;
125 default:
126 info->memory = nv_ro16(bios, perf + 0x0b) * 2000;
127 break;
128 }
129 break;
130 case 0x25:
131 info->fanspeed = nv_ro08(bios, perf + 0x04);
132 info->voltage = nv_ro08(bios, perf + 0x05);
133 info->core = nv_ro16(bios, perf + 0x06) * 1000;
134 info->shader = nv_ro16(bios, perf + 0x0a) * 1000;
135 info->memory = nv_ro16(bios, perf + 0x0c) * 1000;
136 break;
137 case 0x30:
138 info->script = nv_ro16(bios, perf + 0x02);
139 case 0x35:
140 info->fanspeed = nv_ro08(bios, perf + 0x06);
141 info->voltage = nv_ro08(bios, perf + 0x07);
142 info->core = nv_ro16(bios, perf + 0x08) * 1000;
143 info->shader = nv_ro16(bios, perf + 0x0a) * 1000;
144 info->memory = nv_ro16(bios, perf + 0x0c) * 1000;
145 info->vdec = nv_ro16(bios, perf + 0x10) * 1000;
146 info->disp = nv_ro16(bios, perf + 0x14) * 1000;
147 break;
148 case 0x40:
149 info->voltage = nv_ro08(bios, perf + 0x02);
150 break;
151 default:
152 return 0x0000;
153 }
154 return perf;
155 }
156
157 u32
nvbios_perfSe(struct nouveau_bios * bios,u32 perfE,int idx,u8 * ver,u8 * hdr,u8 cnt,u8 len)158 nvbios_perfSe(struct nouveau_bios *bios, u32 perfE, int idx,
159 u8 *ver, u8 *hdr, u8 cnt, u8 len)
160 {
161 u32 data = 0x00000000;
162 if (idx < cnt) {
163 data = perfE + *hdr + (idx * len);
164 *hdr = len;
165 }
166 return data;
167 }
168
169 u32
nvbios_perfSp(struct nouveau_bios * bios,u32 perfE,int idx,u8 * ver,u8 * hdr,u8 cnt,u8 len,struct nvbios_perfS * info)170 nvbios_perfSp(struct nouveau_bios *bios, u32 perfE, int idx,
171 u8 *ver, u8 *hdr, u8 cnt, u8 len,
172 struct nvbios_perfS *info)
173 {
174 u32 data = nvbios_perfSe(bios, perfE, idx, ver, hdr, cnt, len);
175 memset(info, 0x00, sizeof(*info));
176 switch (!!data * *ver) {
177 case 0x40:
178 info->v40.freq = (nv_ro16(bios, data + 0x00) & 0x3fff) * 1000;
179 break;
180 default:
181 break;
182 }
183 return data;
184 }
185
186 int
nvbios_perf_fan_parse(struct nouveau_bios * bios,struct nvbios_perf_fan * fan)187 nvbios_perf_fan_parse(struct nouveau_bios *bios,
188 struct nvbios_perf_fan *fan)
189 {
190 u8 ver, hdr, cnt, len, snr, ssz;
191 u16 perf = nvbios_perf_table(bios, &ver, &hdr, &cnt, &len, &snr, &ssz);
192 if (!perf)
193 return -ENODEV;
194
195 if (ver >= 0x20 && ver < 0x40 && hdr > 6)
196 fan->pwm_divisor = nv_ro16(bios, perf + 6);
197 else
198 fan->pwm_divisor = 0;
199
200 return 0;
201 }
202