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authorTim Wawrzynczak <twawrzynczak@chromium.org>2020-05-29 14:29:53 -0600
committerPatrick Georgi <pgeorgi@google.com>2020-07-07 17:22:46 +0000
commit46f6fcf88f2db397759f69d0c7ddf11d88b61e03 (patch)
treec520011ec212b4fae6522f4f49b0f5149c10c15b /src/drivers/intel/dptf
parent3a9cde9ab630fa34240b16f7e6ae10b5a61aa67e (diff)
dptf: Add support for Charger Performance States
This change generates the DPTF TCHG.PPSS table in the SSDT. This table describes different charging rates which are available to use. DPTF can pick different rates in order to passively cool (or not) the system. BUG=b:143539650 TEST=compiles Change-Id: I6df6bfbac628fa4e4d313e38b8e6c53fce70a7f2 Signed-off-by: Tim Wawrzynczak <twawrzynczak@chromium.org> Reviewed-on: https://review.coreboot.org/c/coreboot/+/41888 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Duncan Laurie <dlaurie@chromium.org>
Diffstat (limited to 'src/drivers/intel/dptf')
-rw-r--r--src/drivers/intel/dptf/chip.h4
-rw-r--r--src/drivers/intel/dptf/dptf.c3
2 files changed, 7 insertions, 0 deletions
diff --git a/src/drivers/intel/dptf/chip.h b/src/drivers/intel/dptf/chip.h
index 8d77603f9e..528ba8354e 100644
--- a/src/drivers/intel/dptf/chip.h
+++ b/src/drivers/intel/dptf/chip.h
@@ -11,6 +11,10 @@ struct drivers_intel_dptf_config {
struct dptf_critical_policy critical[DPTF_MAX_CRITICAL_POLICIES];
struct dptf_passive_policy passive[DPTF_MAX_PASSIVE_POLICIES];
} policies;
+
+ struct {
+ struct dptf_charger_perf charger_perf[DPTF_MAX_CHARGER_PERF_STATES];
+ } controls;
};
#endif /* _DRIVERS_INTEL_DPTF_CHIP_H_ */
diff --git a/src/drivers/intel/dptf/dptf.c b/src/drivers/intel/dptf/dptf.c
index 5cad07dade..a20087fff3 100644
--- a/src/drivers/intel/dptf/dptf.c
+++ b/src/drivers/intel/dptf/dptf.c
@@ -72,6 +72,9 @@ static void dptf_fill_ssdt(const struct device *dev)
dptf_write_critical_policies(config->policies.critical,
DPTF_MAX_CRITICAL_POLICIES);
+ /* Controls */
+ dptf_write_charger_perf(config->controls.charger_perf, DPTF_MAX_CHARGER_PERF_STATES);
+
printk(BIOS_INFO, "\\_SB.DPTF: %s at %s\n", dev->chip_ops->name, dev_path(dev));
}