mirror of https://gitee.com/openkylin/linux.git
127 lines
3.5 KiB
C
127 lines
3.5 KiB
C
/*
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* Copyright 2013 Red Hat Inc.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
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* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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* OTHER DEALINGS IN THE SOFTWARE.
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*
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* Authors: Ben Skeggs
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*/
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#include <subdev/bios.h>
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#include <subdev/bios/bit.h>
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#include <subdev/bios/boost.h>
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u32
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nvbios_boostTe(struct nvkm_bios *bios,
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u8 *ver, u8 *hdr, u8 *cnt, u8 *len, u8 *snr, u8 *ssz)
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{
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struct bit_entry bit_P;
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u32 boost = 0;
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if (!bit_entry(bios, 'P', &bit_P)) {
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if (bit_P.version == 2 && bit_P.length >= 0x34)
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boost = nvbios_rd32(bios, bit_P.offset + 0x30);
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if (boost) {
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*ver = nvbios_rd08(bios, boost + 0);
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switch (*ver) {
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case 0x11:
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*hdr = nvbios_rd08(bios, boost + 1);
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*cnt = nvbios_rd08(bios, boost + 5);
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*len = nvbios_rd08(bios, boost + 2);
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*snr = nvbios_rd08(bios, boost + 4);
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*ssz = nvbios_rd08(bios, boost + 3);
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return boost;
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default:
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break;
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}
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}
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}
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return 0;
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}
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u32
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nvbios_boostEe(struct nvkm_bios *bios, int idx,
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u8 *ver, u8 *hdr, u8 *cnt, u8 *len)
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{
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u8 snr, ssz;
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u32 data = nvbios_boostTe(bios, ver, hdr, cnt, len, &snr, &ssz);
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if (data && idx < *cnt) {
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data = data + *hdr + (idx * (*len + (snr * ssz)));
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*hdr = *len;
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*cnt = snr;
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*len = ssz;
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return data;
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}
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return 0;
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}
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u32
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nvbios_boostEp(struct nvkm_bios *bios, int idx,
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u8 *ver, u8 *hdr, u8 *cnt, u8 *len, struct nvbios_boostE *info)
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{
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u32 data = nvbios_boostEe(bios, idx, ver, hdr, cnt, len);
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memset(info, 0x00, sizeof(*info));
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if (data) {
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info->pstate = (nvbios_rd16(bios, data + 0x00) & 0x01e0) >> 5;
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info->min = nvbios_rd16(bios, data + 0x02) * 1000;
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info->max = nvbios_rd16(bios, data + 0x04) * 1000;
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}
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return data;
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}
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u32
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nvbios_boostEm(struct nvkm_bios *bios, u8 pstate,
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u8 *ver, u8 *hdr, u8 *cnt, u8 *len, struct nvbios_boostE *info)
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{
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u32 data, idx = 0;
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while ((data = nvbios_boostEp(bios, idx++, ver, hdr, cnt, len, info))) {
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if (info->pstate == pstate)
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break;
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}
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return data;
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}
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u32
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nvbios_boostSe(struct nvkm_bios *bios, int idx,
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u32 data, u8 *ver, u8 *hdr, u8 cnt, u8 len)
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{
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if (data && idx < cnt) {
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data = data + *hdr + (idx * len);
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*hdr = len;
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return data;
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}
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return 0;
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}
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u32
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nvbios_boostSp(struct nvkm_bios *bios, int idx,
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u32 data, u8 *ver, u8 *hdr, u8 cnt, u8 len,
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struct nvbios_boostS *info)
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{
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data = nvbios_boostSe(bios, idx, data, ver, hdr, cnt, len);
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memset(info, 0x00, sizeof(*info));
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if (data) {
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info->domain = nvbios_rd08(bios, data + 0x00);
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info->percent = nvbios_rd08(bios, data + 0x01);
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info->min = nvbios_rd16(bios, data + 0x02) * 1000;
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info->max = nvbios_rd16(bios, data + 0x04) * 1000;
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}
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return data;
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}
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