| /* |
| * Copyright 2014 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 <bskeggs@redhat.com> |
| */ |
| #include <subdev/bios.h> |
| #include <subdev/bios/pcir.h> |
| |
| u32 |
| nvbios_pcirTe(struct nvkm_bios *bios, u32 base, u8 *ver, u16 *hdr) |
| { |
| u32 data = nv_ro16(bios, base + 0x18); |
| if (data) { |
| data += base; |
| switch (nv_ro32(bios, data + 0x00)) { |
| case 0x52494350: /* PCIR */ |
| case 0x53494752: /* RGIS */ |
| case 0x5344504e: /* NPDS */ |
| *hdr = nv_ro16(bios, data + 0x0a); |
| *ver = nv_ro08(bios, data + 0x0c); |
| break; |
| default: |
| nv_debug(bios, "%08x: PCIR signature (%08x) unknown\n", |
| data, nv_ro32(bios, data + 0x00)); |
| data = 0; |
| break; |
| } |
| } |
| return data; |
| } |
| |
| u32 |
| nvbios_pcirTp(struct nvkm_bios *bios, u32 base, u8 *ver, u16 *hdr, |
| struct nvbios_pcirT *info) |
| { |
| u32 data = nvbios_pcirTe(bios, base, ver, hdr); |
| memset(info, 0x00, sizeof(*info)); |
| if (data) { |
| info->vendor_id = nv_ro16(bios, data + 0x04); |
| info->device_id = nv_ro16(bios, data + 0x06); |
| info->class_code[0] = nv_ro08(bios, data + 0x0d); |
| info->class_code[1] = nv_ro08(bios, data + 0x0e); |
| info->class_code[2] = nv_ro08(bios, data + 0x0f); |
| info->image_size = nv_ro16(bios, data + 0x10) * 512; |
| info->image_rev = nv_ro16(bios, data + 0x12); |
| info->image_type = nv_ro08(bios, data + 0x14); |
| info->last = nv_ro08(bios, data + 0x15) & 0x80; |
| } |
| return data; |
| } |
