diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/core/subdev/bios/fan.c')
| -rw-r--r-- | drivers/gpu/drm/nouveau/core/subdev/bios/fan.c | 93 |
1 files changed, 0 insertions, 93 deletions
diff --git a/drivers/gpu/drm/nouveau/core/subdev/bios/fan.c b/drivers/gpu/drm/nouveau/core/subdev/bios/fan.c deleted file mode 100644 index e419892240f5..000000000000 --- a/drivers/gpu/drm/nouveau/core/subdev/bios/fan.c +++ /dev/null @@ -1,93 +0,0 @@ -/* - * Copyright 2014 Martin Peres - * - * 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: Martin Peres - */ - -#include <subdev/bios.h> -#include <subdev/bios/bit.h> -#include <subdev/bios/fan.h> - -u16 -nvbios_fan_table(struct nouveau_bios *bios, u8 *ver, u8 *hdr, u8 *cnt, u8 *len) -{ - struct bit_entry bit_P; - u16 fan = 0x0000; - - if (!bit_entry(bios, 'P', &bit_P)) { - if (bit_P.version == 2 && bit_P.length >= 0x5a) - fan = nv_ro16(bios, bit_P.offset + 0x58); - - if (fan) { - *ver = nv_ro08(bios, fan + 0); - switch (*ver) { - case 0x10: - *hdr = nv_ro08(bios, fan + 1); - *len = nv_ro08(bios, fan + 2); - *cnt = nv_ro08(bios, fan + 3); - return fan; - default: - break; - } - } - } - - return 0x0000; -} - -u16 -nvbios_fan_entry(struct nouveau_bios *bios, int idx, u8 *ver, u8 *hdr, - u8 *cnt, u8 *len) -{ - u16 data = nvbios_fan_table(bios, ver, hdr, cnt, len); - if (data && idx < *cnt) - return data + *hdr + (idx * (*len)); - return 0x0000; -} - -u16 -nvbios_fan_parse(struct nouveau_bios *bios, struct nvbios_therm_fan *fan) -{ - u8 ver, hdr, cnt, len; - - u16 data = nvbios_fan_entry(bios, 0, &ver, &hdr, &cnt, &len); - if (data) { - u8 type = nv_ro08(bios, data + 0x00); - switch (type) { - case 0: - fan->type = NVBIOS_THERM_FAN_TOGGLE; - break; - case 1: - case 2: - /* TODO: Understand the difference between the two! */ - fan->type = NVBIOS_THERM_FAN_PWM; - break; - default: - fan->type = NVBIOS_THERM_FAN_UNK; - } - - fan->min_duty = nv_ro08(bios, data + 0x02); - fan->max_duty = nv_ro08(bios, data + 0x03); - - fan->pwm_freq = nv_ro32(bios, data + 0x0b) & 0xffffff; - } - return data; -} |