platform/surface: platform_profile: add fan profile switching

Change naming from tmp to platform profile to clarify the module may
interact with both the TMP and FAN subystems. Add functionality that
switches the fan profile when the platform profile is changed when
a fan is present.

Signed-off-by: Ivor Wanders <[email protected]>
Link: https://github.com/linux-surface/kernel/pull/145
Reviewed-by: Maximilian Luz <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Reviewed-by: Ilpo Järvinen <[email protected]>
Signed-off-by: Hans de Goede <[email protected]>

1 files changed, 25 insertions, 11 deletions

diff --git a/drivers/platform/surface/surface_aggregator_registry.c b/drivers/platform/surface/surface_aggregator_registry.c
index 035d6b4105cd..79e52eddabd0 100644
--- a/drivers/platform/surface/surface_aggregator_registry.c
+++ b/drivers/platform/surface/surface_aggregator_registry.c
@@ -68,12 +68,26 @@ static const struct software_node ssam_node_bat_sb3base = {
 	.parent = &ssam_node_hub_base,
 };
 
-/* Platform profile / performance-mode device. */
-static const struct software_node ssam_node_tmp_pprof = {
+/* Platform profile / performance-mode device without a fan. */
+static const struct software_node ssam_node_tmp_perf_profile = {
 	.name = "ssam:01:03:01:00:01",
 	.parent = &ssam_node_root,
 };
 
+/* Platform profile / performance-mode device with a fan, such that
+ * the fan controller profile can also be switched.
+ */
+static const struct property_entry ssam_node_tmp_perf_profile_has_fan[] = {
+	PROPERTY_ENTRY_BOOL("has_fan"),
+	{ }
+};
+
+static const struct software_node ssam_node_tmp_perf_profile_with_fan = {
+	.name = "ssam:01:03:01:00:01",
+	.parent = &ssam_node_root,
+	.properties = ssam_node_tmp_perf_profile_has_fan,
+};
+
 /* Fan speed function. */
 static const struct software_node ssam_node_fan_speed = {
 	.name = "ssam:01:05:01:01:01",
@@ -208,7 +222,7 @@ static const struct software_node ssam_node_pos_tablet_switch = {
  */
 static const struct software_node *ssam_node_group_gen5[] = {
 	&ssam_node_root,
-	&ssam_node_tmp_pprof,
+	&ssam_node_tmp_perf_profile,
 	NULL,
 };
 
@@ -219,7 +233,7 @@ static const struct software_node *ssam_node_group_sb3[] = {
 	&ssam_node_bat_ac,
 	&ssam_node_bat_main,
 	&ssam_node_bat_sb3base,
-	&ssam_node_tmp_pprof,
+	&ssam_node_tmp_perf_profile,
 	&ssam_node_bas_dtx,
 	&ssam_node_hid_base_keyboard,
 	&ssam_node_hid_base_touchpad,
@@ -233,7 +247,7 @@ static const struct software_node *ssam_node_group_sl3[] = {
 	&ssam_node_root,
 	&ssam_node_bat_ac,
 	&ssam_node_bat_main,
-	&ssam_node_tmp_pprof,
+	&ssam_node_tmp_perf_profile,
 	&ssam_node_hid_main_keyboard,
 	&ssam_node_hid_main_touchpad,
 	&ssam_node_hid_main_iid5,
@@ -245,7 +259,7 @@ static const struct software_node *ssam_node_group_sl5[] = {
 	&ssam_node_root,
 	&ssam_node_bat_ac,
 	&ssam_node_bat_main,
-	&ssam_node_tmp_pprof,
+	&ssam_node_tmp_perf_profile,
 	&ssam_node_hid_main_keyboard,
 	&ssam_node_hid_main_touchpad,
 	&ssam_node_hid_main_iid5,
@@ -258,7 +272,7 @@ static const struct software_node *ssam_node_group_sls[] = {
 	&ssam_node_root,
 	&ssam_node_bat_ac,
 	&ssam_node_bat_main,
-	&ssam_node_tmp_pprof,
+	&ssam_node_tmp_perf_profile,
 	&ssam_node_pos_tablet_switch,
 	&ssam_node_hid_sam_keyboard,
 	&ssam_node_hid_sam_penstash,
@@ -274,7 +288,7 @@ static const struct software_node *ssam_node_group_slg1[] = {
 	&ssam_node_root,
 	&ssam_node_bat_ac,
 	&ssam_node_bat_main,
-	&ssam_node_tmp_pprof,
+	&ssam_node_tmp_perf_profile,
 	NULL,
 };
 
@@ -283,7 +297,7 @@ static const struct software_node *ssam_node_group_sp7[] = {
 	&ssam_node_root,
 	&ssam_node_bat_ac,
 	&ssam_node_bat_main,
-	&ssam_node_tmp_pprof,
+	&ssam_node_tmp_perf_profile,
 	NULL,
 };
 
@@ -293,7 +307,7 @@ static const struct software_node *ssam_node_group_sp8[] = {
 	&ssam_node_hub_kip,
 	&ssam_node_bat_ac,
 	&ssam_node_bat_main,
-	&ssam_node_tmp_pprof,
+	&ssam_node_tmp_perf_profile,
 	&ssam_node_kip_tablet_switch,
 	&ssam_node_hid_kip_keyboard,
 	&ssam_node_hid_kip_penstash,
@@ -310,7 +324,7 @@ static const struct software_node *ssam_node_group_sp9[] = {
 	&ssam_node_hub_kip,
 	&ssam_node_bat_ac,
 	&ssam_node_bat_main,
-	&ssam_node_tmp_pprof,
+	&ssam_node_tmp_perf_profile_with_fan,
 	&ssam_node_fan_speed,
 	&ssam_node_pos_tablet_switch,
 	&ssam_node_hid_kip_keyboard,