| /* |
| * 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/M0205.h> |
| |
| u32 |
| nvbios_M0205Te(struct nvkm_bios *bios, |
| u8 *ver, u8 *hdr, u8 *cnt, u8 *len, u8 *snr, u8 *ssz) |
| { |
| struct bit_entry bit_M; |
| u32 data = 0x00000000; |
| |
| if (!bit_entry(bios, 'M', &bit_M)) { |
| if (bit_M.version == 2 && bit_M.length > 0x08) |
| data = nvbios_rd32(bios, bit_M.offset + 0x05); |
| if (data) { |
| *ver = nvbios_rd08(bios, data + 0x00); |
| switch (*ver) { |
| case 0x10: |
| *hdr = nvbios_rd08(bios, data + 0x01); |
| *len = nvbios_rd08(bios, data + 0x02); |
| *ssz = nvbios_rd08(bios, data + 0x03); |
| *snr = nvbios_rd08(bios, data + 0x04); |
| *cnt = nvbios_rd08(bios, data + 0x05); |
| return data; |
| default: |
| break; |
| } |
| } |
| } |
| |
| return 0x00000000; |
| } |
| |
| u32 |
| nvbios_M0205Tp(struct nvkm_bios *bios, |
| u8 *ver, u8 *hdr, u8 *cnt, u8 *len, u8 *snr, u8 *ssz, |
| struct nvbios_M0205T *info) |
| { |
| u32 data = nvbios_M0205Te(bios, ver, hdr, cnt, len, snr, ssz); |
| memset(info, 0x00, sizeof(*info)); |
| switch (!!data * *ver) { |
| case 0x10: |
| info->freq = nvbios_rd16(bios, data + 0x06); |
| break; |
| default: |
| break; |
| } |
| return data; |
| } |
| |
| u32 |
| nvbios_M0205Ee(struct nvkm_bios *bios, int idx, |
| u8 *ver, u8 *hdr, u8 *cnt, u8 *len) |
| { |
| u8 snr, ssz; |
| u32 data = nvbios_M0205Te(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 0x00000000; |
| } |
| |
| u32 |
| nvbios_M0205Ep(struct nvkm_bios *bios, int idx, |
| u8 *ver, u8 *hdr, u8 *cnt, u8 *len, |
| struct nvbios_M0205E *info) |
| { |
| u32 data = nvbios_M0205Ee(bios, idx, ver, hdr, cnt, len); |
| memset(info, 0x00, sizeof(*info)); |
| switch (!!data * *ver) { |
| case 0x10: |
| info->type = nvbios_rd08(bios, data + 0x00) & 0x0f; |
| return data; |
| default: |
| break; |
| } |
| return 0x00000000; |
| } |
| |
| u32 |
| nvbios_M0205Se(struct nvkm_bios *bios, int ent, int idx, u8 *ver, u8 *hdr) |
| { |
| |
| u8 cnt, len; |
| u32 data = nvbios_M0205Ee(bios, ent, ver, hdr, &cnt, &len); |
| if (data && idx < cnt) { |
| data = data + *hdr + idx * len; |
| *hdr = len; |
| return data; |
| } |
| return 0x00000000; |
| } |
| |
| u32 |
| nvbios_M0205Sp(struct nvkm_bios *bios, int ent, int idx, u8 *ver, u8 *hdr, |
| struct nvbios_M0205S *info) |
| { |
| u32 data = nvbios_M0205Se(bios, ent, idx, ver, hdr); |
| memset(info, 0x00, sizeof(*info)); |
| switch (!!data * *ver) { |
| case 0x10: |
| info->data = nvbios_rd08(bios, data + 0x00); |
| return data; |
| default: |
| break; |
| } |
| return 0x00000000; |
| } |
