diff options
| author | Sumeet Pawnikar <sumeet.r.pawnikar@intel.com> | 2022-06-08 17:43:36 +0530 |
|---|---|---|
| committer | Martin L Roth <gaumless@gmail.com> | 2022-09-04 16:48:07 +0000 |
| commit | 672bd9bee5c0045694ef20fe3e2f7a003bef0edd (patch) | |
| tree | 76d53e8e0e9012d5ccc35dec28316f747fe9d7a8 /src/include/acpi/acpigen_dptf.h | |
| parent | e95da5fdc036def8c230cf10ed8702008afea05f (diff) | |
drivers/intel/dptf: Add multiple fan support under dptf
Add multiple fan support for dptf policies
BUG=b:235254828
BRANCH=None
TEST=Built and tested on Redrix system for two fans
Change-Id: I96ead90e3b805bd20de03e4bef4fa4b9fbaaaedd
Signed-off-by: Sumeet Pawnikar <sumeet.r.pawnikar@intel.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/65611
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Tim Wawrzynczak <twawrzynczak@chromium.org>
Diffstat (limited to 'src/include/acpi/acpigen_dptf.h')
| -rw-r--r-- | src/include/acpi/acpigen_dptf.h | 30 |
1 files changed, 28 insertions, 2 deletions
diff --git a/src/include/acpi/acpigen_dptf.h b/src/include/acpi/acpigen_dptf.h index 893256e6af..d9bd5e2edb 100644 --- a/src/include/acpi/acpigen_dptf.h +++ b/src/include/acpi/acpigen_dptf.h @@ -14,12 +14,15 @@ #define DPTF_DEVICE_PATH "\\_SB.DPTF" #define TCPU_SCOPE "\\_SB.PCI0" +#define DPTF_MAX_FAN_PARTICIPANTS 2 + /* List of available participants (i.e., they can participate in policies) */ enum dptf_participant { DPTF_NONE, DPTF_CPU, DPTF_CHARGER, DPTF_FAN, + DPTF_FAN_2, DPTF_TEMP_SENSOR_0, DPTF_TEMP_SENSOR_1, DPTF_TEMP_SENSOR_2, @@ -52,6 +55,8 @@ enum { /* Active Policy */ struct dptf_active_policy { + /* The device that can be throttled */ + enum dptf_participant source; /* Device capable of being affected by the fan */ enum dptf_participant target; /* Source's contribution to the Target's cooling capability as a percentage */ @@ -115,6 +120,18 @@ struct dptf_fan_perf { uint16_t power; }; +/* Different levels of fan activity, chosen by active policies */ +struct dptf_multifan_perf { + /* Fan percentage level */ + uint8_t percent; + /* Fan speed, in RPM */ + uint16_t speed; + /* Noise level, in 0.1 dBs */ + uint16_t noise_level; + /* Power in mA */ + uint16_t power; +}; + /* Running Average Power Limits (RAPL) */ struct dptf_power_limit_config { /* Minimum level of power limit, in mW */ @@ -151,7 +168,8 @@ void dptf_write_enabled_policies(const struct dptf_active_policy *active_policie * temperature thresholds are met (_AC0 - _AC9), the fan is driven to corresponding percentage * of full speed. */ -void dptf_write_active_policies(const struct dptf_active_policy *policies, int max_count); +void dptf_write_active_policies(const struct dptf_active_policy *policies, int max_count, + bool dptf_multifan_support); /* * This function uses the definition of the passive policies to write out _PSV Methods on all @@ -183,7 +201,15 @@ void dptf_write_charger_perf(const struct dptf_charger_perf *perf, int max_count * 4) The corresponding active cooling trip point (from _ART) (typically left as * DPTF_FIELD_UNUSED). */ -void dptf_write_fan_perf(const struct dptf_fan_perf *perf, int max_count); +void dptf_write_fan_perf(const struct dptf_fan_perf *perf, int max_count, + enum dptf_participant participant); + +void dptf_write_multifan_perf( + const struct dptf_multifan_perf (*states)[DPTF_MAX_FAN_PERF_STATES], + int max_count, enum dptf_participant participant, int fan_num); + +int dptf_write_fan_perf_fps(uint8_t percent, uint16_t power, uint16_t speed, + uint16_t noise_level); /* * This function writes out a PPCC table, which indicates power ranges that different Intel |