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drivers/intel/dptf: Add multiple fan support under dptf

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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>
This commit is contained in:
Sumeet Pawnikar
2022-06-08 17:43:36 +05:30
committed by Martin L Roth
parent e95da5fdc0
commit 672bd9bee5
9 changed files with 207 additions and 47 deletions
Download Patch File Download Diff File Expand all files Collapse all files

88
src/acpi/acpigen_dptf.c
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@@ -62,6 +62,8 @@ static const char *namestring_of(enum dptf_participant participant)
return "TCHG";
case DPTF_FAN:
return "TFN1";
case DPTF_FAN_2:
return "TFN2";
case DPTF_TEMP_SENSOR_0:
return "TSR0";
case DPTF_TEMP_SENSOR_1:
@@ -123,7 +125,7 @@ void dptf_write_scope(enum dptf_participant participant)
* are used to increase the speed of the fan in order to speed up cooling.
*/
static void write_active_relationship_table(const struct dptf_active_policy *policies,
int max_count)
int max_count, bool dptf_multifan_support)
{
char *pkg_count;
int i, j;
@@ -154,7 +156,11 @@ static void write_active_relationship_table(const struct dptf_active_policy *pol
/* Source, Target, Percent, Fan % for each of _AC0 ... _AC9 */
acpigen_write_package(13);
acpigen_emit_namestring(path_of(DPTF_FAN));
if (dptf_multifan_support)
acpigen_emit_namestring(path_of(policies[i].source));
else
acpigen_emit_namestring(path_of(DPTF_FAN));
acpigen_emit_namestring(path_of(policies[i].target));
acpigen_write_integer(DEFAULT_IF_0(policies[i].weight, DEFAULT_WEIGHT));
@@ -205,9 +211,10 @@ static void write_active_cooling_methods(const struct dptf_active_policy *polici
}
}
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)
{
write_active_relationship_table(policies, max_count);
write_active_relationship_table(policies, max_count, dptf_multifan_support);
write_active_cooling_methods(policies, max_count);
}
@@ -352,7 +359,29 @@ void dptf_write_charger_perf(const struct dptf_charger_perf *states, int max_cou
acpigen_pop_len(); /* Scope */
}
void dptf_write_fan_perf(const struct dptf_fan_perf *states, int max_count)
int dptf_write_fan_perf_fps(uint8_t percent, uint16_t power, uint16_t speed,
uint16_t noise_level)
{
/*
* Some _FPS tables do include a last entry where Percent is 0, but Power is
* called out, so this table is finished when both are zero.
*/
if (!percent && !power)
return 1;
acpigen_write_package(5);
acpigen_write_integer(percent);
acpigen_write_integer(DEFAULT_TRIP_POINT);
acpigen_write_integer(speed);
acpigen_write_integer(noise_level);
acpigen_write_integer(power);
acpigen_pop_len(); /* inner Package */
return 0;
}
void dptf_write_fan_perf(const struct dptf_fan_perf *states, int max_count,
enum dptf_participant participant)
{
char *pkg_count;
int i;
@@ -360,29 +389,48 @@ void dptf_write_fan_perf(const struct dptf_fan_perf *states, int max_count)
if (!max_count || !states[0].percent)
return;
dptf_write_scope(DPTF_FAN);
dptf_write_scope(participant);
/* _FPS - Fan Performance States */
acpigen_write_name("_FPS");
pkg_count = acpigen_write_package(1); /* 1 for Revision */
acpigen_write_integer(FPS_REVISION); /* revision */
for (i = 0; i < max_count; ++i) {
/*
* Some _FPS tables do include a last entry where Percent is 0, but Power is
* called out, so this table is finished when both are zero.
*/
if (!states[i].percent && !states[i].power)
break;
(*pkg_count)++;
acpigen_write_package(5);
acpigen_write_integer(states[i].percent);
acpigen_write_integer(DEFAULT_TRIP_POINT);
acpigen_write_integer(states[i].speed);
acpigen_write_integer(states[i].noise_level);
acpigen_write_integer(states[i].power);
acpigen_pop_len(); /* inner Package */
if (dptf_write_fan_perf_fps(states[i].percent, states[i].power,
states[i].speed, states[i].noise_level))
break;
}
acpigen_pop_len(); /* Package */
acpigen_pop_len(); /* Scope */
}
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)
{
char *pkg_count;
int i;
if (!max_count || !states[fan_num][0].percent)
return;
dptf_write_scope(participant);
/* _FPS - Fan Performance States */
acpigen_write_name("_FPS");
pkg_count = acpigen_write_package(1); /* 1 for Revision */
acpigen_write_integer(FPS_REVISION); /* revision */
for (i = 0; i < max_count; ++i) {
(*pkg_count)++;
if (dptf_write_fan_perf_fps(states[fan_num][i].percent, states[fan_num][i].power,
states[fan_num][i].speed, states[fan_num][i].noise_level))
break;
}
acpigen_pop_len(); /* Package */