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#include <subdev/bios.h> 25#include <subdev/bios/bit.h> 26#include <subdev/bios/perf.h> 27#include <subdev/pci.h> 28 29u32 30nvbios_perf_table(struct nvkm_bios *bios, u8 *ver, u8 *hdr, 31 u8 *cnt, u8 *len, u8 *snr, u8 *ssz) 32{ 33 struct bit_entry bit_P; 34 u32 perf = 0; 35 36 if (!bit_entry(bios, 'P', &bit_P)) { 37 if (bit_P.version <= 2) { 38 perf = nvbios_rd32(bios, bit_P.offset + 0); 39 if (perf) { 40 *ver = nvbios_rd08(bios, perf + 0); 41 *hdr = nvbios_rd08(bios, perf + 1); 42 if (*ver >= 0x40 && *ver < 0x41) { 43 *cnt = nvbios_rd08(bios, perf + 5); 44 *len = nvbios_rd08(bios, perf + 2); 45 *snr = nvbios_rd08(bios, perf + 4); 46 *ssz = nvbios_rd08(bios, perf + 3); 47 return perf; 48 } else 49 if (*ver >= 0x20 && *ver < 0x40) { 50 *cnt = nvbios_rd08(bios, perf + 2); 51 *len = nvbios_rd08(bios, perf + 3); 52 *snr = nvbios_rd08(bios, perf + 4); 53 *ssz = nvbios_rd08(bios, perf + 5); 54 return perf; 55 } 56 } 57 } 58 } 59 60 if (bios->bmp_offset) { 61 if (nvbios_rd08(bios, bios->bmp_offset + 6) >= 0x25) { 62 perf = nvbios_rd16(bios, bios->bmp_offset + 0x94); 63 if (perf) { 64 *hdr = nvbios_rd08(bios, perf + 0); 65 *ver = nvbios_rd08(bios, perf + 1); 66 *cnt = nvbios_rd08(bios, perf + 2); 67 *len = nvbios_rd08(bios, perf + 3); 68 *snr = 0; 69 *ssz = 0; 70 return perf; 71 } 72 } 73 } 74 75 return 0; 76} 77 78u32 79nvbios_perf_entry(struct nvkm_bios *bios, int idx, 80 u8 *ver, u8 *hdr, u8 *cnt, u8 *len) 81{ 82 u8 snr, ssz; 83 u32 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 0; 92} 93 94u32 95nvbios_perfEp(struct nvkm_bios *bios, int idx, 96 u8 *ver, u8 *hdr, u8 *cnt, u8 *len, struct nvbios_perfE *info) 97{ 98 u32 perf = nvbios_perf_entry(bios, idx, ver, hdr, cnt, len); 99 memset(info, 0x00, sizeof(*info)); 100 info->pstate = nvbios_rd08(bios, perf + 0x00); 101 switch (!!perf * *ver) { 102 case 0x12: 103 case 0x13: 104 case 0x14: 105 info->core = nvbios_rd32(bios, perf + 0x01) * 10; 106 info->memory = nvbios_rd32(bios, perf + 0x05) * 20; 107 info->fanspeed = nvbios_rd08(bios, perf + 0x37); 108 if (*hdr > 0x38) 109 info->voltage = nvbios_rd08(bios, perf + 0x38); 110 break; 111 case 0x21: 112 case 0x23: 113 case 0x24: 114 info->fanspeed = nvbios_rd08(bios, perf + 0x04); 115 info->voltage = nvbios_rd08(bios, perf + 0x05); 116 info->shader = nvbios_rd16(bios, perf + 0x06) * 1000; 117 info->core = info->shader + (signed char) 118 nvbios_rd08(bios, perf + 0x08) * 1000; 119 switch (bios->subdev.device->chipset) { 120 case 0x49: 121 case 0x4b: 122 info->memory = nvbios_rd16(bios, perf + 0x0b) * 1000; 123 break; 124 default: 125 info->memory = nvbios_rd16(bios, perf + 0x0b) * 2000; 126 break; 127 } 128 break; 129 case 0x25: 130 info->fanspeed = nvbios_rd08(bios, perf + 0x04); 131 info->voltage = nvbios_rd08(bios, perf + 0x05); 132 info->core = nvbios_rd16(bios, perf + 0x06) * 1000; 133 info->shader = nvbios_rd16(bios, perf + 0x0a) * 1000; 134 info->memory = nvbios_rd16(bios, perf + 0x0c) * 1000; 135 break; 136 case 0x30: 137 info->script = nvbios_rd16(bios, perf + 0x02); 138 fallthrough; 139 case 0x35: 140 info->fanspeed = nvbios_rd08(bios, perf + 0x06); 141 info->voltage = nvbios_rd08(bios, perf + 0x07); 142 info->core = nvbios_rd16(bios, perf + 0x08) * 1000; 143 info->shader = nvbios_rd16(bios, perf + 0x0a) * 1000; 144 info->memory = nvbios_rd16(bios, perf + 0x0c) * 1000; 145 info->vdec = nvbios_rd16(bios, perf + 0x10) * 1000; 146 info->disp = nvbios_rd16(bios, perf + 0x14) * 1000; 147 break; 148 case 0x40: 149 info->voltage = nvbios_rd08(bios, perf + 0x02); 150 switch (nvbios_rd08(bios, perf + 0xb) & 0x3) { 151 case 0: 152 info->pcie_speed = NVKM_PCIE_SPEED_5_0; 153 break; 154 case 3: 155 case 1: 156 info->pcie_speed = NVKM_PCIE_SPEED_2_5; 157 break; 158 case 2: 159 info->pcie_speed = NVKM_PCIE_SPEED_8_0; 160 break; 161 default: 162 break; 163 } 164 info->pcie_width = 0xff; 165 break; 166 default: 167 return 0; 168 } 169 return perf; 170} 171 172u32 173nvbios_perfSe(struct nvkm_bios *bios, u32 perfE, int idx, 174 u8 *ver, u8 *hdr, u8 cnt, u8 len) 175{ 176 u32 data = 0x00000000; 177 if (idx < cnt) { 178 data = perfE + *hdr + (idx * len); 179 *hdr = len; 180 } 181 return data; 182} 183 184u32 185nvbios_perfSp(struct nvkm_bios *bios, u32 perfE, int idx, 186 u8 *ver, u8 *hdr, u8 cnt, u8 len, 187 struct nvbios_perfS *info) 188{ 189 u32 data = nvbios_perfSe(bios, perfE, idx, ver, hdr, cnt, len); 190 memset(info, 0x00, sizeof(*info)); 191 switch (!!data * *ver) { 192 case 0x40: 193 info->v40.freq = (nvbios_rd16(bios, data + 0x00) & 0x3fff) * 1000; 194 break; 195 default: 196 break; 197 } 198 return data; 199} 200 201int 202nvbios_perf_fan_parse(struct nvkm_bios *bios, 203 struct nvbios_perf_fan *fan) 204{ 205 u8 ver, hdr, cnt, len, snr, ssz; 206 u32 perf = nvbios_perf_table(bios, &ver, &hdr, &cnt, &len, &snr, &ssz); 207 if (!perf) 208 return -ENODEV; 209 210 if (ver >= 0x20 && ver < 0x40 && hdr > 6) 211 fan->pwm_divisor = nvbios_rd16(bios, perf + 6); 212 else 213 fan->pwm_divisor = 0; 214 215 return 0; 216} 217