diff options
Diffstat (limited to 'nvkm/subdev/bios/therm.c')
| -rw-r--r-- | nvkm/subdev/bios/therm.c | 215 |
1 files changed, 0 insertions, 215 deletions
diff --git a/nvkm/subdev/bios/therm.c b/nvkm/subdev/bios/therm.c deleted file mode 100644 index d15854094..000000000 --- a/nvkm/subdev/bios/therm.c +++ /dev/null @@ -1,215 +0,0 @@ -/* - * Copyright 2012 Nouveau Community - * - * 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/therm.h> - -static u16 -therm_table(struct nouveau_bios *bios, u8 *ver, u8 *hdr, u8 *len, u8 *cnt) -{ - struct bit_entry bit_P; - u16 therm = 0; - - if (!bit_entry(bios, 'P', &bit_P)) { - if (bit_P.version == 1) - therm = nv_ro16(bios, bit_P.offset + 12); - else if (bit_P.version == 2) - therm = nv_ro16(bios, bit_P.offset + 16); - else - nv_error(bios, - "unknown offset for thermal in BIT P %d\n", - bit_P.version); - } - - /* exit now if we haven't found the thermal table */ - if (!therm) - return 0x0000; - - *ver = nv_ro08(bios, therm + 0); - *hdr = nv_ro08(bios, therm + 1); - *len = nv_ro08(bios, therm + 2); - *cnt = nv_ro08(bios, therm + 3); - - return therm + nv_ro08(bios, therm + 1); -} - -static u16 -nvbios_therm_entry(struct nouveau_bios *bios, int idx, u8 *ver, u8 *len) -{ - u8 hdr, cnt; - u16 therm = therm_table(bios, ver, &hdr, len, &cnt); - if (therm && idx < cnt) - return therm + idx * *len; - return 0x0000; -} - -int -nvbios_therm_sensor_parse(struct nouveau_bios *bios, - enum nvbios_therm_domain domain, - struct nvbios_therm_sensor *sensor) -{ - s8 thrs_section, sensor_section, offset; - u8 ver, len, i; - u16 entry; - - /* we only support the core domain for now */ - if (domain != NVBIOS_THERM_DOMAIN_CORE) - return -EINVAL; - - /* Read the entries from the table */ - thrs_section = 0; - sensor_section = -1; - i = 0; - while ((entry = nvbios_therm_entry(bios, i++, &ver, &len))) { - s16 value = nv_ro16(bios, entry + 1); - - switch (nv_ro08(bios, entry + 0)) { - case 0x0: - thrs_section = value; - if (value > 0) - return 0; /* we do not try to support ambient */ - break; - case 0x01: - sensor_section++; - if (sensor_section == 0) { - offset = ((s8) nv_ro08(bios, entry + 2)) / 2; - sensor->offset_constant = offset; - } - break; - - case 0x04: - if (thrs_section == 0) { - sensor->thrs_critical.temp = (value & 0xff0) >> 4; - sensor->thrs_critical.hysteresis = value & 0xf; - } - break; - - case 0x07: - if (thrs_section == 0) { - sensor->thrs_down_clock.temp = (value & 0xff0) >> 4; - sensor->thrs_down_clock.hysteresis = value & 0xf; - } - break; - - case 0x08: - if (thrs_section == 0) { - sensor->thrs_fan_boost.temp = (value & 0xff0) >> 4; - sensor->thrs_fan_boost.hysteresis = value & 0xf; - } - break; - - case 0x10: - if (sensor_section == 0) - sensor->offset_num = value; - break; - - case 0x11: - if (sensor_section == 0) - sensor->offset_den = value; - break; - - case 0x12: - if (sensor_section == 0) - sensor->slope_mult = value; - break; - - case 0x13: - if (sensor_section == 0) - sensor->slope_div = value; - break; - case 0x32: - if (thrs_section == 0) { - sensor->thrs_shutdown.temp = (value & 0xff0) >> 4; - sensor->thrs_shutdown.hysteresis = value & 0xf; - } - break; - } - } - - return 0; -} - -int -nvbios_therm_fan_parse(struct nouveau_bios *bios, - struct nvbios_therm_fan *fan) -{ - struct nouveau_therm_trip_point *cur_trip = NULL; - u8 ver, len, i; - u16 entry; - - uint8_t duty_lut[] = { 0, 0, 25, 0, 40, 0, 50, 0, - 75, 0, 85, 0, 100, 0, 100, 0 }; - - i = 0; - fan->nr_fan_trip = 0; - fan->fan_mode = NVBIOS_THERM_FAN_OTHER; - while ((entry = nvbios_therm_entry(bios, i++, &ver, &len))) { - s16 value = nv_ro16(bios, entry + 1); - - switch (nv_ro08(bios, entry + 0)) { - case 0x22: - fan->min_duty = value & 0xff; - fan->max_duty = (value & 0xff00) >> 8; - break; - case 0x24: - fan->nr_fan_trip++; - if (fan->fan_mode > NVBIOS_THERM_FAN_TRIP) - fan->fan_mode = NVBIOS_THERM_FAN_TRIP; - cur_trip = &fan->trip[fan->nr_fan_trip - 1]; - cur_trip->hysteresis = value & 0xf; - cur_trip->temp = (value & 0xff0) >> 4; - cur_trip->fan_duty = duty_lut[(value & 0xf000) >> 12]; - break; - case 0x25: - cur_trip = &fan->trip[fan->nr_fan_trip - 1]; - cur_trip->fan_duty = value; - break; - case 0x26: - if (!fan->pwm_freq) - fan->pwm_freq = value; - break; - case 0x3b: - fan->bump_period = value; - break; - case 0x3c: - fan->slow_down_period = value; - break; - case 0x46: - if (fan->fan_mode > NVBIOS_THERM_FAN_LINEAR) - fan->fan_mode = NVBIOS_THERM_FAN_LINEAR; - fan->linear_min_temp = nv_ro08(bios, entry + 1); - fan->linear_max_temp = nv_ro08(bios, entry + 2); - break; - } - } - - /* starting from fermi, fan management is always linear */ - if (nv_device(bios)->card_type >= NV_C0 && - fan->fan_mode == NVBIOS_THERM_FAN_OTHER) { - fan->fan_mode = NVBIOS_THERM_FAN_LINEAR; - } - - return 0; -} |