| /* |
| * 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/P0260.h> |
| |
| u32 |
| nvbios_P0260Te(struct nvkm_bios *bios, |
| u8 *ver, u8 *hdr, u8 *cnt, u8 *len, u8 *xnr, u8 *xsz) |
| { |
| struct bit_entry bit_P; |
| u32 data = 0x00000000; |
| |
| if (!bit_entry(bios, 'P', &bit_P)) { |
| if (bit_P.version == 2 && bit_P.length > 0x63) |
| data = nvbios_rd32(bios, bit_P.offset + 0x60); |
| if (data) { |
| *ver = nvbios_rd08(bios, data + 0); |
| switch (*ver) { |
| case 0x10: |
| *hdr = nvbios_rd08(bios, data + 1); |
| *cnt = nvbios_rd08(bios, data + 2); |
| *len = 4; |
| *xnr = nvbios_rd08(bios, data + 3); |
| *xsz = 4; |
| return data; |
| default: |
| break; |
| } |
| } |
| } |
| |
| return 0x00000000; |
| } |
| |
| u32 |
| nvbios_P0260Ee(struct nvkm_bios *bios, int idx, u8 *ver, u8 *len) |
| { |
| u8 hdr, cnt, xnr, xsz; |
| u32 data = nvbios_P0260Te(bios, ver, &hdr, &cnt, len, &xnr, &xsz); |
| if (data && idx < cnt) |
| return data + hdr + (idx * *len); |
| return 0x00000000; |
| } |
| |
| u32 |
| nvbios_P0260Ep(struct nvkm_bios *bios, int idx, u8 *ver, u8 *len, |
| struct nvbios_P0260E *info) |
| { |
| u32 data = nvbios_P0260Ee(bios, idx, ver, len); |
| memset(info, 0x00, sizeof(*info)); |
| switch (!!data * *ver) { |
| case 0x10: |
| info->data = nvbios_rd32(bios, data); |
| return data; |
| default: |
| break; |
| } |
| return 0x00000000; |
| } |
| |
| u32 |
| nvbios_P0260Xe(struct nvkm_bios *bios, int idx, u8 *ver, u8 *xsz) |
| { |
| u8 hdr, cnt, len, xnr; |
| u32 data = nvbios_P0260Te(bios, ver, &hdr, &cnt, &len, &xnr, xsz); |
| if (data && idx < xnr) |
| return data + hdr + (cnt * len) + (idx * *xsz); |
| return 0x00000000; |
| } |
| |
| u32 |
| nvbios_P0260Xp(struct nvkm_bios *bios, int idx, u8 *ver, u8 *hdr, |
| struct nvbios_P0260X *info) |
| { |
| u32 data = nvbios_P0260Xe(bios, idx, ver, hdr); |
| memset(info, 0x00, sizeof(*info)); |
| switch (!!data * *ver) { |
| case 0x10: |
| info->data = nvbios_rd32(bios, data); |
| return data; |
| default: |
| break; |
| } |
| return 0x00000000; |
| } |
