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path: root/drivers/platform/surface/surface_aggregator_registry.c
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Diffstat (limited to 'drivers/platform/surface/surface_aggregator_registry.c')
-rw-r--r--drivers/platform/surface/surface_aggregator_registry.c166
1 files changed, 144 insertions, 22 deletions
diff --git a/drivers/platform/surface/surface_aggregator_registry.c b/drivers/platform/surface/surface_aggregator_registry.c
index 035d6b4105cd..a594d5fcfcfd 100644
--- a/drivers/platform/surface/surface_aggregator_registry.c
+++ b/drivers/platform/surface/surface_aggregator_registry.c
@@ -12,6 +12,7 @@
#include <linux/acpi.h>
#include <linux/kernel.h>
#include <linux/module.h>
+#include <linux/of.h>
#include <linux/platform_device.h>
#include <linux/property.h>
#include <linux/types.h>
@@ -68,12 +69,32 @@ 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,
+};
+
+/* Thermal sensors. */
+static const struct software_node ssam_node_tmp_sensors = {
+ .name = "ssam:01:03:01:00:02",
+ .parent = &ssam_node_root,
+};
+
/* Fan speed function. */
static const struct software_node ssam_node_fan_speed = {
.name = "ssam:01:05:01:01:01",
@@ -208,7 +229,7 @@ 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 +240,7 @@ 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 +254,7 @@ 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,
@@ -245,20 +266,50 @@ 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_with_fan,
+ &ssam_node_tmp_sensors,
+ &ssam_node_fan_speed,
+ &ssam_node_hid_main_keyboard,
+ &ssam_node_hid_main_touchpad,
+ &ssam_node_hid_main_iid5,
+ &ssam_node_hid_sam_ucm_ucsi,
+ NULL,
+};
+
+/* Devices for Surface Laptop 6. */
+static const struct software_node *ssam_node_group_sl6[] = {
+ &ssam_node_root,
+ &ssam_node_bat_ac,
+ &ssam_node_bat_main,
+ &ssam_node_tmp_perf_profile_with_fan,
+ &ssam_node_tmp_sensors,
+ &ssam_node_fan_speed,
&ssam_node_hid_main_keyboard,
&ssam_node_hid_main_touchpad,
&ssam_node_hid_main_iid5,
+ &ssam_node_hid_sam_sensors,
&ssam_node_hid_sam_ucm_ucsi,
NULL,
};
-/* Devices for Surface Laptop Studio. */
-static const struct software_node *ssam_node_group_sls[] = {
+/* Devices for Surface Laptop 7. */
+static const struct software_node *ssam_node_group_sl7[] = {
+ &ssam_node_root,
+ &ssam_node_bat_ac,
+ &ssam_node_bat_main,
+ &ssam_node_tmp_perf_profile_with_fan,
+ &ssam_node_fan_speed,
+ &ssam_node_hid_sam_keyboard,
+ /* TODO: evaluate thermal sensors devices when we get a driver for that */
+ NULL,
+};
+
+/* Devices for Surface Laptop Studio 1. */
+static const struct software_node *ssam_node_group_sls1[] = {
&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,
@@ -269,12 +320,28 @@ static const struct software_node *ssam_node_group_sls[] = {
NULL,
};
+/* Devices for Surface Laptop Studio 2. */
+static const struct software_node *ssam_node_group_sls2[] = {
+ &ssam_node_root,
+ &ssam_node_bat_ac,
+ &ssam_node_bat_main,
+ &ssam_node_tmp_perf_profile_with_fan,
+ &ssam_node_tmp_sensors,
+ &ssam_node_fan_speed,
+ &ssam_node_pos_tablet_switch,
+ &ssam_node_hid_sam_keyboard,
+ &ssam_node_hid_sam_penstash,
+ &ssam_node_hid_sam_sensors,
+ &ssam_node_hid_sam_ucm_ucsi,
+ NULL,
+};
+
/* Devices for Surface Laptop Go. */
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 +350,7 @@ 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 +360,7 @@ 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,
@@ -304,13 +371,14 @@ static const struct software_node *ssam_node_group_sp8[] = {
NULL,
};
-/* Devices for Surface Pro 9 */
+/* Devices for Surface Pro 9, 10 and 11 (Intel/x86) */
static const struct software_node *ssam_node_group_sp9[] = {
&ssam_node_root,
&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_tmp_sensors,
&ssam_node_fan_speed,
&ssam_node_pos_tablet_switch,
&ssam_node_hid_kip_keyboard,
@@ -322,10 +390,25 @@ static const struct software_node *ssam_node_group_sp9[] = {
NULL,
};
+/* Devices for Surface Pro 9 5G (ARM/QCOM) */
+static const struct software_node *ssam_node_group_sp9_5g[] = {
+ &ssam_node_root,
+ &ssam_node_hub_kip,
+ &ssam_node_bat_ac,
+ &ssam_node_bat_main,
+ &ssam_node_tmp_sensors,
+ &ssam_node_hid_kip_keyboard,
+ &ssam_node_hid_kip_penstash,
+ &ssam_node_hid_kip_touchpad,
+ &ssam_node_hid_kip_fwupd,
+ &ssam_node_hid_sam_sensors,
+ &ssam_node_kip_tablet_switch,
+ NULL,
+};
/* -- SSAM platform/meta-hub driver. ---------------------------------------- */
-static const struct acpi_device_id ssam_platform_hub_match[] = {
+static const struct acpi_device_id ssam_platform_hub_acpi_match[] = {
/* Surface Pro 4, 5, and 6 (OMBR < 0x10) */
{ "MSHW0081", (unsigned long)ssam_node_group_gen5 },
@@ -344,6 +427,12 @@ static const struct acpi_device_id ssam_platform_hub_match[] = {
/* Surface Pro 9 */
{ "MSHW0343", (unsigned long)ssam_node_group_sp9 },
+ /* Surface Pro 10 */
+ { "MSHW0510", (unsigned long)ssam_node_group_sp9 },
+
+ /* Surface Pro 11 */
+ { "MSHW0583", (unsigned long)ssam_node_group_sp9 },
+
/* Surface Book 2 */
{ "MSHW0107", (unsigned long)ssam_node_group_gen5 },
@@ -368,29 +457,61 @@ static const struct acpi_device_id ssam_platform_hub_match[] = {
/* Surface Laptop 5 */
{ "MSHW0350", (unsigned long)ssam_node_group_sl5 },
+ /* Surface Laptop 6 */
+ { "MSHW0530", (unsigned long)ssam_node_group_sl6 },
+
/* Surface Laptop Go 1 */
{ "MSHW0118", (unsigned long)ssam_node_group_slg1 },
/* Surface Laptop Go 2 */
{ "MSHW0290", (unsigned long)ssam_node_group_slg1 },
- /* Surface Laptop Studio */
- { "MSHW0123", (unsigned long)ssam_node_group_sls },
+ /* Surface Laptop Go 3 */
+ { "MSHW0440", (unsigned long)ssam_node_group_slg1 },
+
+ /* Surface Laptop Studio 1 */
+ { "MSHW0123", (unsigned long)ssam_node_group_sls1 },
+
+ /* Surface Laptop Studio 2 */
+ { "MSHW0360", (unsigned long)ssam_node_group_sls2 },
{ },
};
-MODULE_DEVICE_TABLE(acpi, ssam_platform_hub_match);
+MODULE_DEVICE_TABLE(acpi, ssam_platform_hub_acpi_match);
+
+static const struct of_device_id ssam_platform_hub_of_match[] __maybe_unused = {
+ /* Surface Pro 9 5G (ARM/QCOM) */
+ { .compatible = "microsoft,arcata", (void *)ssam_node_group_sp9_5g },
+ /* Surface Laptop 7 */
+ { .compatible = "microsoft,romulus13", (void *)ssam_node_group_sl7 },
+ { .compatible = "microsoft,romulus15", (void *)ssam_node_group_sl7 },
+ { },
+};
static int ssam_platform_hub_probe(struct platform_device *pdev)
{
const struct software_node **nodes;
+ const struct of_device_id *match;
+ struct device_node *fdt_root;
struct ssam_controller *ctrl;
struct fwnode_handle *root;
int status;
nodes = (const struct software_node **)acpi_device_get_match_data(&pdev->dev);
- if (!nodes)
- return -ENODEV;
+ if (!nodes) {
+ fdt_root = of_find_node_by_path("/");
+ if (!fdt_root)
+ return -ENODEV;
+
+ match = of_match_node(ssam_platform_hub_of_match, fdt_root);
+ of_node_put(fdt_root);
+ if (!match)
+ return -ENODEV;
+
+ nodes = (const struct software_node **)match->data;
+ if (!nodes)
+ return -ENODEV;
+ }
/*
* As we're adding the SSAM client devices as children under this device
@@ -436,15 +557,16 @@ static void ssam_platform_hub_remove(struct platform_device *pdev)
static struct platform_driver ssam_platform_hub_driver = {
.probe = ssam_platform_hub_probe,
- .remove_new = ssam_platform_hub_remove,
+ .remove = ssam_platform_hub_remove,
.driver = {
.name = "surface_aggregator_platform_hub",
- .acpi_match_table = ssam_platform_hub_match,
+ .acpi_match_table = ssam_platform_hub_acpi_match,
.probe_type = PROBE_PREFER_ASYNCHRONOUS,
},
};
module_platform_driver(ssam_platform_hub_driver);
+MODULE_ALIAS("platform:surface_aggregator_platform_hub");
MODULE_AUTHOR("Maximilian Luz <luzmaximilian@gmail.com>");
MODULE_DESCRIPTION("Device-registry for Surface System Aggregator Module");
MODULE_LICENSE("GPL");