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authorTim Wawrzynczak <twawrzynczak@chromium.org>2020-05-29 13:56:37 -0600
committerPatrick Georgi <pgeorgi@google.com>2020-07-07 17:20:13 +0000
commitc41f7f15c192d06b5dfdeb1b74f99278cee66110 (patch)
tree4e8e33a2268c837f329fafb05d42837ac119fae9 /src/drivers
parentff2f6b2478dac8cd957695e528f13babaa49a963 (diff)
dptf: Add support for generation of Active Policies
This change adds support for generating the different pieces of DPTF Active Policies. This includes the Active Relationship Table, in addition to _ACx methods. BUG=b:143539650 TEST=compiles Change-Id: Iea0ccbd96f88d0f3a8f2c77a7d0f3a284e5ee463 Signed-off-by: Tim Wawrzynczak <twawrzynczak@chromium.org> Reviewed-on: https://review.coreboot.org/c/coreboot/+/41885 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Sumeet R Pawnikar <sumeet.r.pawnikar@intel.com> Reviewed-by: Duncan Laurie <dlaurie@chromium.org>
Diffstat (limited to 'src/drivers')
-rw-r--r--src/drivers/intel/dptf/chip.h5
-rw-r--r--src/drivers/intel/dptf/dptf.c26
2 files changed, 19 insertions, 12 deletions
diff --git a/src/drivers/intel/dptf/chip.h b/src/drivers/intel/dptf/chip.h
index 704b83e763..730d23ed6b 100644
--- a/src/drivers/intel/dptf/chip.h
+++ b/src/drivers/intel/dptf/chip.h
@@ -3,7 +3,12 @@
#ifndef _DRIVERS_INTEL_DPTF_CHIP_H_
#define _DRIVERS_INTEL_DPTF_CHIP_H_
+#include <acpi/acpigen_dptf.h>
+
struct drivers_intel_dptf_config {
+ struct {
+ struct dptf_active_policy active[DPTF_MAX_ACTIVE_POLICIES];
+ } policies;
};
#endif /* _DRIVERS_INTEL_DPTF_CHIP_H_ */
diff --git a/src/drivers/intel/dptf/dptf.c b/src/drivers/intel/dptf/dptf.c
index 060864adc1..20f8d9b4ae 100644
--- a/src/drivers/intel/dptf/dptf.c
+++ b/src/drivers/intel/dptf/dptf.c
@@ -5,18 +5,6 @@
#include <device/device.h>
#include "chip.h"
-enum dptf_participant {
- DPTF_NONE,
- DPTF_CPU,
- DPTF_CHARGER,
- DPTF_FAN,
- DPTF_TEMP_SENSOR_0,
- DPTF_TEMP_SENSOR_1,
- DPTF_TEMP_SENSOR_2,
- DPTF_TEMP_SENSOR_3,
- DPTF_PARTICIPANT_COUNT,
-};
-
/* Generic DPTF participants have a PTYP field to distinguish them */
enum dptf_generic_participant_type {
DPTF_GENERIC_PARTICIPANT_TYPE_TSR = 0x3,
@@ -40,6 +28,17 @@ enum dptf_generic_participant_type {
static bool is_participant_used(const struct drivers_intel_dptf_config *config,
enum dptf_participant participant)
{
+ int i;
+
+ /* Active? */
+ for (i = 0; i < DPTF_MAX_ACTIVE_POLICIES; ++i)
+ if (config->policies.active[i].target == participant)
+ return true;
+
+ /* Check fan as well (its use is implicit in the Active policy) */
+ if (participant == DPTF_FAN && config->policies.active[0].target != DPTF_NONE)
+ return true;
+
return false;
}
@@ -53,6 +52,9 @@ static void dptf_fill_ssdt(const struct device *dev)
{
struct drivers_intel_dptf_config *config = config_of(dev);
+ dptf_write_active_policies(config->policies.active,
+ DPTF_MAX_ACTIVE_POLICIES);
+
printk(BIOS_INFO, "\\_SB.DPTF: %s at %s\n", dev->chip_ops->name, dev_path(dev));
}