drivers/gpu/drm/nouveau/nvkm/subdev/bios/rammap.c

   1 /*
   2  * Copyright 2013 Red Hat Inc.
   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: Ben Skeggs
  23  */
  24 #include <subdev/bios.h>
  25 #include <subdev/bios/bit.h>
  26 #include <subdev/bios/rammap.h>
  27
  28 u32
  29 nvbios_rammapTe(struct nvkm_bios *bios, u8 *ver, u8 *hdr,
  30                 u8 *cnt, u8 *len, u8 *snr, u8 *ssz)
  31 {
  32         struct bit_entry bit_P;
  33         u16 rammap = 0x0000;
  34
  35         if (!bit_entry(bios, 'P', &bit_P)) {
  36                 if (bit_P.version == 2)
  37                         rammap = nvbios_rd16(bios, bit_P.offset + 4);
  38
  39                 if (rammap) {
  40                         *ver = nvbios_rd08(bios, rammap + 0);
  41                         switch (*ver) {
  42                         case 0x10:
  43                         case 0x11:
  44                                 *hdr = nvbios_rd08(bios, rammap + 1);
  45                                 *cnt = nvbios_rd08(bios, rammap + 5);
  46                                 *len = nvbios_rd08(bios, rammap + 2);
  47                                 *snr = nvbios_rd08(bios, rammap + 4);
  48                                 *ssz = nvbios_rd08(bios, rammap + 3);
  49                                 return rammap;
  50                         default:
  51                                 break;
  52                         }
  53                 }
  54         }
  55
  56         return 0x0000;
  57 }
  58
  59 u32
  60 nvbios_rammapEe(struct nvkm_bios *bios, int idx,
  61                 u8 *ver, u8 *hdr, u8 *cnt, u8 *len)
  62 {
  63         u8  snr, ssz;
  64         u16 rammap = nvbios_rammapTe(bios, ver, hdr, cnt, len, &snr, &ssz);
  65         if (rammap && idx < *cnt) {
  66                 rammap = rammap + *hdr + (idx * (*len + (snr * ssz)));
  67                 *hdr = *len;
  68                 *cnt = snr;
  69                 *len = ssz;
  70                 return rammap;
  71         }
  72         return 0x0000;
  73 }
  74
  75 /* Pretend a performance mode is also a rammap entry, helps coalesce entries
  76  * later on */
  77 u32
  78 nvbios_rammapEp_from_perf(struct nvkm_bios *bios, u32 data, u8 size,
  79                 struct nvbios_ramcfg *p)
  80 {
  81         memset(p, 0x00, sizeof(*p));
  82
  83         p->rammap_00_16_20 = (nvbios_rd08(bios, data + 0x16) & 0x20) >> 5;
  84         p->rammap_00_16_40 = (nvbios_rd08(bios, data + 0x16) & 0x40) >> 6;
  85         p->rammap_00_17_02 = (nvbios_rd08(bios, data + 0x17) & 0x02) >> 1;
  86
  87         return data;
  88 }
  89
  90 u32
  91 nvbios_rammapEp(struct nvkm_bios *bios, int idx,
  92                 u8 *ver, u8 *hdr, u8 *cnt, u8 *len, struct nvbios_ramcfg *p)
  93 {
  94         u32 data = nvbios_rammapEe(bios, idx, ver, hdr, cnt, len), temp;
  95         memset(p, 0x00, sizeof(*p));
  96         p->rammap_ver = *ver;
  97         p->rammap_hdr = *hdr;
  98         switch (!!data * *ver) {
  99         case 0x10:
 100                 p->rammap_min      =  nvbios_rd16(bios, data + 0x00);
 101                 p->rammap_max      =  nvbios_rd16(bios, data + 0x02);
 102                 p->rammap_10_04_02 = (nvbios_rd08(bios, data + 0x04) & 0x02) >> 1;
 103                 p->rammap_10_04_08 = (nvbios_rd08(bios, data + 0x04) & 0x08) >> 3;
 104                 break;
 105         case 0x11:
 106                 p->rammap_min      =  nvbios_rd16(bios, data + 0x00);
 107                 p->rammap_max      =  nvbios_rd16(bios, data + 0x02);
 108                 p->rammap_11_08_01 = (nvbios_rd08(bios, data + 0x08) & 0x01) >> 0;
 109                 p->rammap_11_08_0c = (nvbios_rd08(bios, data + 0x08) & 0x0c) >> 2;
 110                 p->rammap_11_08_10 = (nvbios_rd08(bios, data + 0x08) & 0x10) >> 4;
 111                 temp = nvbios_rd32(bios, data + 0x09);
 112                 p->rammap_11_09_01ff = (temp & 0x000001ff) >> 0;
 113                 p->rammap_11_0a_03fe = (temp & 0x0003fe00) >> 9;
 114                 p->rammap_11_0a_0400 = (temp & 0x00040000) >> 18;
 115                 p->rammap_11_0a_0800 = (temp & 0x00080000) >> 19;
 116                 p->rammap_11_0b_01f0 = (temp & 0x01f00000) >> 20;
 117                 p->rammap_11_0b_0200 = (temp & 0x02000000) >> 25;
 118                 p->rammap_11_0b_0400 = (temp & 0x04000000) >> 26;
 119                 p->rammap_11_0b_0800 = (temp & 0x08000000) >> 27;
 120                 p->rammap_11_0d    =  nvbios_rd08(bios, data + 0x0d);
 121                 p->rammap_11_0e    =  nvbios_rd08(bios, data + 0x0e);
 122                 p->rammap_11_0f    =  nvbios_rd08(bios, data + 0x0f);
 123                 p->rammap_11_11_0c = (nvbios_rd08(bios, data + 0x11) & 0x0c) >> 2;
 124                 break;
 125         default:
 126                 data = 0;
 127                 break;
 128         }
 129         return data;
 130 }
 131
 132 u32
 133 nvbios_rammapEm(struct nvkm_bios *bios, u16 mhz,
 134                 u8 *ver, u8 *hdr, u8 *cnt, u8 *len, struct nvbios_ramcfg *info)
 135 {
 136         int idx = 0;
 137         u32 data;
 138         while ((data = nvbios_rammapEp(bios, idx++, ver, hdr, cnt, len, info))) {
 139                 if (mhz >= info->rammap_min && mhz <= info->rammap_max)
 140                         break;
 141         }
 142         return data;
 143 }
 144
 145 u32
 146 nvbios_rammapSe(struct nvkm_bios *bios, u32 data,
 147                 u8 ever, u8 ehdr, u8 ecnt, u8 elen, int idx, u8 *ver, u8 *hdr)
 148 {
 149         if (idx < ecnt) {
 150                 data = data + ehdr + (idx * elen);
 151                 *ver = ever;
 152                 *hdr = elen;
 153                 return data;
 154         }
 155         return 0;
 156 }
 157
 158 u32
 159 nvbios_rammapSp_from_perf(struct nvkm_bios *bios, u32 data, u8 size, int idx,
 160                 struct nvbios_ramcfg *p)
 161 {
 162         data += (idx * size);
 163
 164         if (size < 11)
 165                 return 0x00000000;
 166
 167         p->ramcfg_ver = 0;
 168         p->ramcfg_timing   =  nvbios_rd08(bios, data + 0x01);
 169         p->ramcfg_00_03_01 = (nvbios_rd08(bios, data + 0x03) & 0x01) >> 0;
 170         p->ramcfg_00_03_02 = (nvbios_rd08(bios, data + 0x03) & 0x02) >> 1;
 171         p->ramcfg_DLLoff   = (nvbios_rd08(bios, data + 0x03) & 0x04) >> 2;
 172         p->ramcfg_00_03_08 = (nvbios_rd08(bios, data + 0x03) & 0x08) >> 3;
 173         p->ramcfg_RON      = (nvbios_rd08(bios, data + 0x03) & 0x10) >> 3;
 174         p->ramcfg_FBVDDQ   = (nvbios_rd08(bios, data + 0x03) & 0x80) >> 7;
 175         p->ramcfg_00_04_02 = (nvbios_rd08(bios, data + 0x04) & 0x02) >> 1;
 176         p->ramcfg_00_04_04 = (nvbios_rd08(bios, data + 0x04) & 0x04) >> 2;
 177         p->ramcfg_00_04_20 = (nvbios_rd08(bios, data + 0x04) & 0x20) >> 5;
 178         p->ramcfg_00_05    = (nvbios_rd08(bios, data + 0x05) & 0xff) >> 0;
 179         p->ramcfg_00_06    = (nvbios_rd08(bios, data + 0x06) & 0xff) >> 0;
 180         p->ramcfg_00_07    = (nvbios_rd08(bios, data + 0x07) & 0xff) >> 0;
 181         p->ramcfg_00_08    = (nvbios_rd08(bios, data + 0x08) & 0xff) >> 0;
 182         p->ramcfg_00_09    = (nvbios_rd08(bios, data + 0x09) & 0xff) >> 0;
 183         p->ramcfg_00_0a_0f = (nvbios_rd08(bios, data + 0x0a) & 0x0f) >> 0;
 184         p->ramcfg_00_0a_f0 = (nvbios_rd08(bios, data + 0x0a) & 0xf0) >> 4;
 185
 186         return data;
 187 }
 188
 189 u32
 190 nvbios_rammapSp(struct nvkm_bios *bios, u32 data,
 191                 u8 ever, u8 ehdr, u8 ecnt, u8 elen, int idx,
 192                 u8 *ver, u8 *hdr, struct nvbios_ramcfg *p)
 193 {
 194         data = nvbios_rammapSe(bios, data, ever, ehdr, ecnt, elen, idx, ver, hdr);
 195         p->ramcfg_ver = *ver;
 196         p->ramcfg_hdr = *hdr;
 197         switch (!!data * *ver) {
 198         case 0x10:
 199                 p->ramcfg_timing   =  nvbios_rd08(bios, data + 0x01);
 200                 p->ramcfg_10_02_01 = (nvbios_rd08(bios, data + 0x02) & 0x01) >> 0;
 201                 p->ramcfg_10_02_02 = (nvbios_rd08(bios, data + 0x02) & 0x02) >> 1;
 202                 p->ramcfg_10_02_04 = (nvbios_rd08(bios, data + 0x02) & 0x04) >> 2;
 203                 p->ramcfg_10_02_08 = (nvbios_rd08(bios, data + 0x02) & 0x08) >> 3;
 204                 p->ramcfg_10_02_10 = (nvbios_rd08(bios, data + 0x02) & 0x10) >> 4;
 205                 p->ramcfg_10_02_20 = (nvbios_rd08(bios, data + 0x02) & 0x20) >> 5;
 206                 p->ramcfg_DLLoff   = (nvbios_rd08(bios, data + 0x02) & 0x40) >> 6;
 207                 p->ramcfg_10_03_0f = (nvbios_rd08(bios, data + 0x03) & 0x0f) >> 0;
 208                 p->ramcfg_10_04_01 = (nvbios_rd08(bios, data + 0x04) & 0x01) >> 0;
 209                 p->ramcfg_FBVDDQ   = (nvbios_rd08(bios, data + 0x04) & 0x08) >> 3;
 210                 p->ramcfg_10_05    = (nvbios_rd08(bios, data + 0x05) & 0xff) >> 0;
 211                 p->ramcfg_10_06    = (nvbios_rd08(bios, data + 0x06) & 0xff) >> 0;
 212                 p->ramcfg_10_07    = (nvbios_rd08(bios, data + 0x07) & 0xff) >> 0;
 213                 p->ramcfg_10_08    = (nvbios_rd08(bios, data + 0x08) & 0xff) >> 0;
 214                 p->ramcfg_10_09_0f = (nvbios_rd08(bios, data + 0x09) & 0x0f) >> 0;
 215                 p->ramcfg_10_09_f0 = (nvbios_rd08(bios, data + 0x09) & 0xf0) >> 4;
 216                 break;
 217         case 0x11:
 218                 p->ramcfg_timing   =  nvbios_rd08(bios, data + 0x00);
 219                 p->ramcfg_11_01_01 = (nvbios_rd08(bios, data + 0x01) & 0x01) >> 0;
 220                 p->ramcfg_11_01_02 = (nvbios_rd08(bios, data + 0x01) & 0x02) >> 1;
 221                 p->ramcfg_11_01_04 = (nvbios_rd08(bios, data + 0x01) & 0x04) >> 2;
 222                 p->ramcfg_11_01_08 = (nvbios_rd08(bios, data + 0x01) & 0x08) >> 3;
 223                 p->ramcfg_11_01_10 = (nvbios_rd08(bios, data + 0x01) & 0x10) >> 4;
 224                 p->ramcfg_DLLoff =   (nvbios_rd08(bios, data + 0x01) & 0x20) >> 5;
 225                 p->ramcfg_11_01_40 = (nvbios_rd08(bios, data + 0x01) & 0x40) >> 6;
 226                 p->ramcfg_11_01_80 = (nvbios_rd08(bios, data + 0x01) & 0x80) >> 7;
 227                 p->ramcfg_11_02_03 = (nvbios_rd08(bios, data + 0x02) & 0x03) >> 0;
 228                 p->ramcfg_11_02_04 = (nvbios_rd08(bios, data + 0x02) & 0x04) >> 2;
 229                 p->ramcfg_11_02_08 = (nvbios_rd08(bios, data + 0x02) & 0x08) >> 3;
 230                 p->ramcfg_11_02_10 = (nvbios_rd08(bios, data + 0x02) & 0x10) >> 4;
 231                 p->ramcfg_11_02_40 = (nvbios_rd08(bios, data + 0x02) & 0x40) >> 6;
 232                 p->ramcfg_11_02_80 = (nvbios_rd08(bios, data + 0x02) & 0x80) >> 7;
 233                 p->ramcfg_11_03_0f = (nvbios_rd08(bios, data + 0x03) & 0x0f) >> 0;
 234                 p->ramcfg_11_03_30 = (nvbios_rd08(bios, data + 0x03) & 0x30) >> 4;
 235                 p->ramcfg_11_03_c0 = (nvbios_rd08(bios, data + 0x03) & 0xc0) >> 6;
 236                 p->ramcfg_11_03_f0 = (nvbios_rd08(bios, data + 0x03) & 0xf0) >> 4;
 237                 p->ramcfg_11_04    = (nvbios_rd08(bios, data + 0x04) & 0xff) >> 0;
 238                 p->ramcfg_11_06    = (nvbios_rd08(bios, data + 0x06) & 0xff) >> 0;
 239                 p->ramcfg_11_07_02 = (nvbios_rd08(bios, data + 0x07) & 0x02) >> 1;
 240                 p->ramcfg_11_07_04 = (nvbios_rd08(bios, data + 0x07) & 0x04) >> 2;
 241                 p->ramcfg_11_07_08 = (nvbios_rd08(bios, data + 0x07) & 0x08) >> 3;
 242                 p->ramcfg_11_07_10 = (nvbios_rd08(bios, data + 0x07) & 0x10) >> 4;
 243                 p->ramcfg_11_07_40 = (nvbios_rd08(bios, data + 0x07) & 0x40) >> 6;
 244                 p->ramcfg_11_07_80 = (nvbios_rd08(bios, data + 0x07) & 0x80) >> 7;
 245                 p->ramcfg_11_08_01 = (nvbios_rd08(bios, data + 0x08) & 0x01) >> 0;
 246                 p->ramcfg_11_08_02 = (nvbios_rd08(bios, data + 0x08) & 0x02) >> 1;
 247                 p->ramcfg_11_08_04 = (nvbios_rd08(bios, data + 0x08) & 0x04) >> 2;
 248                 p->ramcfg_11_08_08 = (nvbios_rd08(bios, data + 0x08) & 0x08) >> 3;
 249                 p->ramcfg_11_08_10 = (nvbios_rd08(bios, data + 0x08) & 0x10) >> 4;
 250                 p->ramcfg_11_08_20 = (nvbios_rd08(bios, data + 0x08) & 0x20) >> 5;
 251                 p->ramcfg_11_09    = (nvbios_rd08(bios, data + 0x09) & 0xff) >> 0;
 252                 break;
 253         default:
 254                 data = 0;
 255                 break;
 256         }
 257         return data;
 258 }