diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/core/subdev/bios/M0203.c')
-rw-r--r-- | drivers/gpu/drm/nouveau/core/subdev/bios/M0203.c | 129 |
1 files changed, 0 insertions, 129 deletions
diff --git a/drivers/gpu/drm/nouveau/core/subdev/bios/M0203.c b/drivers/gpu/drm/nouveau/core/subdev/bios/M0203.c deleted file mode 100644 index 28906b1..0000000 --- a/drivers/gpu/drm/nouveau/core/subdev/bios/M0203.c +++ /dev/null @@ -1,129 +0,0 @@ -/* - * 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 - */ - -#include <subdev/bios.h> -#include <subdev/bios/bit.h> -#include <subdev/bios/M0203.h> - -u32 -nvbios_M0203Te(struct nouveau_bios *bios, u8 *ver, u8 *hdr, u8 *cnt, u8 *len) -{ - struct bit_entry bit_M; - u32 data = 0x00000000; - - if (!bit_entry(bios, 'M', &bit_M)) { - if (bit_M.version == 2 && bit_M.length > 0x04) - data = nv_ro16(bios, bit_M.offset + 0x03); - if (data) { - *ver = nv_ro08(bios, data + 0x00); - switch (*ver) { - case 0x10: - *hdr = nv_ro08(bios, data + 0x01); - *len = nv_ro08(bios, data + 0x02); - *cnt = nv_ro08(bios, data + 0x03); - return data; - default: - break; - } - } - } - - return 0x00000000; -} - -u32 -nvbios_M0203Tp(struct nouveau_bios *bios, u8 *ver, u8 *hdr, u8 *cnt, u8 *len, - struct nvbios_M0203T *info) -{ - u32 data = nvbios_M0203Te(bios, ver, hdr, cnt, len); - memset(info, 0x00, sizeof(*info)); - switch (!!data * *ver) { - case 0x10: - info->type = nv_ro08(bios, data + 0x04); - info->pointer = nv_ro16(bios, data + 0x05); - break; - default: - break; - } - return data; -} - -u32 -nvbios_M0203Ee(struct nouveau_bios *bios, int idx, u8 *ver, u8 *hdr) -{ - u8 cnt, len; - u32 data = nvbios_M0203Te(bios, ver, hdr, &cnt, &len); - if (data && idx < cnt) { - data = data + *hdr + idx * len; - *hdr = len; - return data; - } - return 0x00000000; -} - -u32 -nvbios_M0203Ep(struct nouveau_bios *bios, int idx, u8 *ver, u8 *hdr, - struct nvbios_M0203E *info) -{ - u32 data = nvbios_M0203Ee(bios, idx, ver, hdr); - memset(info, 0x00, sizeof(*info)); - switch (!!data * *ver) { - case 0x10: - info->type = (nv_ro08(bios, data + 0x00) & 0x0f) >> 0; - info->strap = (nv_ro08(bios, data + 0x00) & 0xf0) >> 4; - info->group = (nv_ro08(bios, data + 0x01) & 0x0f) >> 0; - return data; - default: - break; - } - return 0x00000000; -} - -u32 -nvbios_M0203Em(struct nouveau_bios *bios, u8 ramcfg, u8 *ver, u8 *hdr, - struct nvbios_M0203E *info) -{ - struct nvbios_M0203T M0203T; - u8 cnt, len, idx = 0xff; - u32 data; - - if (!nvbios_M0203Tp(bios, ver, hdr, &cnt, &len, &M0203T)) { - nv_warn(bios, "M0203T not found\n"); - return 0x00000000; - } - - while ((data = nvbios_M0203Ep(bios, ++idx, ver, hdr, info))) { - switch (M0203T.type) { - case M0203T_TYPE_RAMCFG: - if (info->strap != ramcfg) - continue; - return data; - default: - nv_warn(bios, "M0203T type %02x\n", M0203T.type); - return 0x00000000; - } - } - - return data; -} |