/* * Copyright 2013 Red Hat Inc. * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the "Software"), * to deal in the Software without restriction, including without limitation * the rights to use, copy, modify, merge, publish, distribute, sublicense, * and/or sell copies of the Software, and to permit persons to whom the * Software is furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR * OTHER DEALINGS IN THE SOFTWARE. * * Authors: Ben Skeggs */ #include #include #include #include u32 nvbios_rammapTe(struct nouveau_bios *bios, u8 *ver, u8 *hdr, u8 *cnt, u8 *len, u8 *snr, u8 *ssz) { struct bit_entry bit_P; u16 rammap = 0x0000; if (!bit_entry(bios, 'P', &bit_P)) { if (bit_P.version == 2) rammap = nv_ro16(bios, bit_P.offset + 4); if (rammap) { *ver = nv_ro08(bios, rammap + 0); switch (*ver) { case 0x10: case 0x11: *hdr = nv_ro08(bios, rammap + 1); *cnt = nv_ro08(bios, rammap + 5); *len = nv_ro08(bios, rammap + 2); *snr = nv_ro08(bios, rammap + 4); *ssz = nv_ro08(bios, rammap + 3); return rammap; default: break; } } } return 0x0000; } u32 nvbios_rammapEe(struct nouveau_bios *bios, int idx, u8 *ver, u8 *hdr, u8 *cnt, u8 *len) { u8 snr, ssz; u16 rammap = nvbios_rammapTe(bios, ver, hdr, cnt, len, &snr, &ssz); if (rammap && idx < *cnt) { rammap = rammap + *hdr + (idx * (*len + (snr * ssz))); *hdr = *len; *cnt = snr; *len = ssz; return rammap; } return 0x0000; } u32 nvbios_rammapEp(struct nouveau_bios *bios, int idx, u8 *ver, u8 *hdr, u8 *cnt, u8 *len, struct nvbios_ramcfg *p) { u32 data = nvbios_rammapEe(bios, idx, ver, hdr, cnt, len), temp; memset(p, 0x00, sizeof(*p)); p->rammap_ver = *ver; p->rammap_hdr = *hdr; switch (!!data * *ver) { case 0x10: p->rammap_min = nv_ro16(bios, data + 0x00); p->rammap_max = nv_ro16(bios, data + 0x02); p->rammap_10_04_02 = (nv_ro08(bios, data + 0x04) & 0x02) >> 1; p->rammap_10_04_08 = (nv_ro08(bios, data + 0x04) & 0x08) >> 3; break; case 0x11: p->rammap_min = nv_ro16(bios, data + 0x00); p->rammap_max = nv_ro16(bios, data + 0x02); p->rammap_11_08_01 = (nv_ro08(bios, data + 0x08) & 0x01) >> 0; p->rammap_11_08_0c = (nv_ro08(bios, data + 0x08) & 0x0c) >> 2; p->rammap_11_08_10 = (nv_ro08(bios, data + 0x08) & 0x10) >> 4; temp = nv_ro32(bios, data + 0x09); p->rammap_11_09_01ff = (temp & 0x000001ff) >> 0; p->rammap_11_0a_03fe = (temp & 0x0003fe00) >> 9; p->rammap_11_0a_0400 = (temp & 0x00040000) >> 18; p->rammap_11_0a_0800 = (temp & 0x00080000) >> 19; p->rammap_11_0b_01f0 = (temp & 0x01f00000) >> 20; p->rammap_11_0b_0200 = (temp & 0x02000000) >> 25; p->rammap_11_0b_0400 = (temp & 0x04000000) >> 26; p->rammap_11_0b_0800 = (temp & 0x08000000) >> 27; p->rammap_11_0d = nv_ro08(bios, data + 0x0d); p->rammap_11_0e = nv_ro08(bios, data + 0x0e); p->rammap_11_0f = nv_ro08(bios, data + 0x0f); p->rammap_11_11_0c = (nv_ro08(bios, data + 0x11) & 0x0c) >> 2; break; default: data = 0; break; } return data; } u32 nvbios_rammapEm(struct nouveau_bios *bios, u16 mhz, u8 *ver, u8 *hdr, u8 *cnt, u8 *len, struct nvbios_ramcfg *info) { int idx = 0; u32 data; while ((data = nvbios_rammapEp(bios, idx++, ver, hdr, cnt, len, info))) { if (mhz >= info->rammap_min && mhz <= info->rammap_max) break; } return data; } u32 nvbios_rammapSe(struct nouveau_bios *bios, u32 data, u8 ever, u8 ehdr, u8 ecnt, u8 elen, int idx, u8 *ver, u8 *hdr) { if (idx < ecnt) { data = data + ehdr + (idx * elen); *ver = ever; *hdr = elen; return data; } return 0; } u32 nvbios_rammapSp(struct nouveau_bios *bios, u32 data, u8 ever, u8 ehdr, u8 ecnt, u8 elen, int idx, u8 *ver, u8 *hdr, struct nvbios_ramcfg *p) { data = nvbios_rammapSe(bios, data, ever, ehdr, ecnt, elen, idx, ver, hdr); p->ramcfg_ver = *ver; p->ramcfg_hdr = *hdr; switch (!!data * *ver) { case 0x10: p->ramcfg_timing = nv_ro08(bios, data + 0x01); p->ramcfg_10_02_01 = (nv_ro08(bios, data + 0x02) & 0x01) >> 0; p->ramcfg_10_02_02 = (nv_ro08(bios, data + 0x02) & 0x02) >> 1; p->ramcfg_10_02_04 = (nv_ro08(bios, data + 0x02) & 0x04) >> 2; p->ramcfg_10_02_08 = (nv_ro08(bios, data + 0x02) & 0x08) >> 3; p->ramcfg_10_02_10 = (nv_ro08(bios, data + 0x02) & 0x10) >> 4; p->ramcfg_10_02_20 = (nv_ro08(bios, data + 0x02) & 0x20) >> 5; p->ramcfg_10_DLLoff = (nv_ro08(bios, data + 0x02) & 0x40) >> 6; p->ramcfg_10_03_0f = (nv_ro08(bios, data + 0x03) & 0x0f) >> 0; p->ramcfg_10_04_01 = (nv_ro08(bios, data + 0x04) & 0x01) >> 0; p->ramcfg_10_05 = (nv_ro08(bios, data + 0x05) & 0xff) >> 0; p->ramcfg_10_06 = (nv_ro08(bios, data + 0x06) & 0xff) >> 0; p->ramcfg_10_07 = (nv_ro08(bios, data + 0x07) & 0xff) >> 0; p->ramcfg_10_08 = (nv_ro08(bios, data + 0x08) & 0xff) >> 0; p->ramcfg_10_09_0f = (nv_ro08(bios, data + 0x09) & 0x0f) >> 0; p->ramcfg_10_09_f0 = (nv_ro08(bios, data + 0x09) & 0xf0) >> 4; break; case 0x11: p->ramcfg_timing = nv_ro08(bios, data + 0x00); p->ramcfg_11_01_01 = (nv_ro08(bios, data + 0x01) & 0x01) >> 0; p->ramcfg_11_01_02 = (nv_ro08(bios, data + 0x01) & 0x02) >> 1; p->ramcfg_11_01_04 = (nv_ro08(bios, data + 0x01) & 0x04) >> 2; p->ramcfg_11_01_08 = (nv_ro08(bios, data + 0x01) & 0x08) >> 3; p->ramcfg_11_01_10 = (nv_ro08(bios, data + 0x01) & 0x10) >> 4; p->ramcfg_11_01_20 = (nv_ro08(bios, data + 0x01) & 0x20) >> 5; p->ramcfg_11_01_40 = (nv_ro08(bios, data + 0x01) & 0x40) >> 6; p->ramcfg_11_01_80 = (nv_ro08(bios, data + 0x01) & 0x80) >> 7; p->ramcfg_11_02_03 = (nv_ro08(bios, data + 0x02) & 0x03) >> 0; p->ramcfg_11_02_04 = (nv_ro08(bios, data + 0x02) & 0x04) >> 2; p->ramcfg_11_02_08 = (nv_ro08(bios, data + 0x02) & 0x08) >> 3; p->ramcfg_11_02_10 = (nv_ro08(bios, data + 0x02) & 0x10) >> 4; p->ramcfg_11_02_40 = (nv_ro08(bios, data + 0x02) & 0x40) >> 6; p->ramcfg_11_02_80 = (nv_ro08(bios, data + 0x02) & 0x80) >> 7; p->ramcfg_11_03_0f = (nv_ro08(bios, data + 0x03) & 0x0f) >> 0; p->ramcfg_11_03_30 = (nv_ro08(bios, data + 0x03) & 0x30) >> 4; p->ramcfg_11_03_c0 = (nv_ro08(bios, data + 0x03) & 0xc0) >> 6; p->ramcfg_11_03_f0 = (nv_ro08(bios, data + 0x03) & 0xf0) >> 4; p->ramcfg_11_04 = (nv_ro08(bios, data + 0x04) & 0xff) >> 0; p->ramcfg_11_06 = (nv_ro08(bios, data + 0x06) & 0xff) >> 0; p->ramcfg_11_07_02 = (nv_ro08(bios, data + 0x07) & 0x02) >> 1; p->ramcfg_11_07_04 = (nv_ro08(bios, data + 0x07) & 0x04) >> 2; p->ramcfg_11_07_08 = (nv_ro08(bios, data + 0x07) & 0x08) >> 3; p->ramcfg_11_07_10 = (nv_ro08(bios, data + 0x07) & 0x10) >> 4; p->ramcfg_11_07_40 = (nv_ro08(bios, data + 0x07) & 0x40) >> 6; p->ramcfg_11_07_80 = (nv_ro08(bios, data + 0x07) & 0x80) >> 7; p->ramcfg_11_08_01 = (nv_ro08(bios, data + 0x08) & 0x01) >> 0; p->ramcfg_11_08_02 = (nv_ro08(bios, data + 0x08) & 0x02) >> 1; p->ramcfg_11_08_04 = (nv_ro08(bios, data + 0x08) & 0x04) >> 2; p->ramcfg_11_08_08 = (nv_ro08(bios, data + 0x08) & 0x08) >> 3; p->ramcfg_11_08_10 = (nv_ro08(bios, data + 0x08) & 0x10) >> 4; p->ramcfg_11_08_20 = (nv_ro08(bios, data + 0x08) & 0x20) >> 5; p->ramcfg_11_09 = (nv_ro08(bios, data + 0x09) & 0xff) >> 0; break; default: data = 0; break; } return data; }