| /* | |
| * 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 <subdev/bios.h> | |
| #include <subdev/bios/bit.h> | |
| #include <subdev/bios/boost.h> | |
| u32 | |
| nvbios_boostTe(struct nvkm_bios *bios, | |
| u8 *ver, u8 *hdr, u8 *cnt, u8 *len, u8 *snr, u8 *ssz) | |
| { | |
| struct bit_entry bit_P; | |
| u32 boost = 0; | |
| if (!bit_entry(bios, 'P', &bit_P)) { | |
| if (bit_P.version == 2 && bit_P.length >= 0x34) | |
| boost = nvbios_rd32(bios, bit_P.offset + 0x30); | |
| if (boost) { | |
| *ver = nvbios_rd08(bios, boost + 0); | |
| switch (*ver) { | |
| case 0x11: | |
| *hdr = nvbios_rd08(bios, boost + 1); | |
| *cnt = nvbios_rd08(bios, boost + 5); | |
| *len = nvbios_rd08(bios, boost + 2); | |
| *snr = nvbios_rd08(bios, boost + 4); | |
| *ssz = nvbios_rd08(bios, boost + 3); | |
| return boost; | |
| default: | |
| break; | |
| } | |
| } | |
| } | |
| return 0; | |
| } | |
| u32 | |
| nvbios_boostEe(struct nvkm_bios *bios, int idx, | |
| u8 *ver, u8 *hdr, u8 *cnt, u8 *len) | |
| { | |
| u8 snr, ssz; | |
| u32 data = nvbios_boostTe(bios, ver, hdr, cnt, len, &snr, &ssz); | |
| if (data && idx < *cnt) { | |
| data = data + *hdr + (idx * (*len + (snr * ssz))); | |
| *hdr = *len; | |
| *cnt = snr; | |
| *len = ssz; | |
| return data; | |
| } | |
| return 0; | |
| } | |
| u32 | |
| nvbios_boostEp(struct nvkm_bios *bios, int idx, | |
| u8 *ver, u8 *hdr, u8 *cnt, u8 *len, struct nvbios_boostE *info) | |
| { | |
| u32 data = nvbios_boostEe(bios, idx, ver, hdr, cnt, len); | |
| memset(info, 0x00, sizeof(*info)); | |
| if (data) { | |
| info->pstate = (nvbios_rd16(bios, data + 0x00) & 0x01e0) >> 5; | |
| info->min = nvbios_rd16(bios, data + 0x02) * 1000; | |
| info->max = nvbios_rd16(bios, data + 0x04) * 1000; | |
| } | |
| return data; | |
| } | |
| u32 | |
| nvbios_boostEm(struct nvkm_bios *bios, u8 pstate, | |
| u8 *ver, u8 *hdr, u8 *cnt, u8 *len, struct nvbios_boostE *info) | |
| { | |
| u32 data, idx = 0; | |
| while ((data = nvbios_boostEp(bios, idx++, ver, hdr, cnt, len, info))) { | |
| if (info->pstate == pstate) | |
| break; | |
| } | |
| return data; | |
| } | |
| u32 | |
| nvbios_boostSe(struct nvkm_bios *bios, int idx, | |
| u32 data, u8 *ver, u8 *hdr, u8 cnt, u8 len) | |
| { | |
| if (data && idx < cnt) { | |
| data = data + *hdr + (idx * len); | |
| *hdr = len; | |
| return data; | |
| } | |
| return 0; | |
| } | |
| u32 | |
| nvbios_boostSp(struct nvkm_bios *bios, int idx, | |
| u32 data, u8 *ver, u8 *hdr, u8 cnt, u8 len, | |
| struct nvbios_boostS *info) | |
| { | |
| data = nvbios_boostSe(bios, idx, data, ver, hdr, cnt, len); | |
| memset(info, 0x00, sizeof(*info)); | |
| if (data) { | |
| info->domain = nvbios_rd08(bios, data + 0x00); | |
| info->percent = nvbios_rd08(bios, data + 0x01); | |
| info->min = nvbios_rd16(bios, data + 0x02) * 1000; | |
| info->max = nvbios_rd16(bios, data + 0x04) * 1000; | |
| } | |
| return data; | |
| } |