[RFC PATCH 14/21] alienware-wmi: Migrate thermal methods to wmidev

[Kurt Borja <kuurtb@gmail.com>]

Drop alienware_wmax_command() and refactor "platform_profile" methods to
use alienware_wmi_command() instead.

Signed-off-by: Kurt Borja <kuurtb@gmail.com>
---
 drivers/platform/x86/dell/alienware-wmi.c | 71 ++++++++---------------
 1 file changed, 25 insertions(+), 46 deletions(-)

diff --git a/drivers/platform/x86/dell/alienware-wmi.c b/drivers/platform/x86/dell/alienware-wmi.c
index 01414c2d9565..18a15dcf90a3 100644
--- a/drivers/platform/x86/dell/alienware-wmi.c
+++ b/drivers/platform/x86/dell/alienware-wmi.c
@@ -650,34 +650,6 @@ static enum led_brightness global_led_get(struct led_classdev *led_cdev)
 	return priv->global_brightness;
 }
 
-static acpi_status alienware_wmax_command(void *in_args, size_t in_size,
-					  u32 command, u32 *out_data)
-{
-	acpi_status status;
-	union acpi_object *obj;
-	struct acpi_buffer input;
-	struct acpi_buffer output;
-
-	input.length = in_size;
-	input.pointer = in_args;
-	if (out_data) {
-		output.length = ACPI_ALLOCATE_BUFFER;
-		output.pointer = NULL;
-		status = wmi_evaluate_method(WMAX_CONTROL_GUID, 0,
-					     command, &input, &output);
-		if (ACPI_SUCCESS(status)) {
-			obj = (union acpi_object *)output.pointer;
-			if (obj && obj->type == ACPI_TYPE_INTEGER)
-				*out_data = (u32)obj->integer.value;
-		}
-		kfree(output.pointer);
-	} else {
-		status = wmi_evaluate_method(WMAX_CONTROL_GUID, 0,
-					     command, &input, NULL);
-	}
-	return status;
-}
-
 /*
  *	The HDMI mux sysfs node indicates the status of the HDMI input mux.
  *	It can toggle between standard system GPU output and HDMI input.
@@ -932,7 +904,8 @@ static bool is_wmax_thermal_code(u32 code)
 	return false;
 }
 
-static int wmax_thermal_information(u8 operation, u8 arg, u32 *out_data)
+static int wmax_thermal_information(struct wmi_device *wdev, u8 operation,
+				    u8 arg, u32 *out_data)
 {
 	acpi_status status;
 	struct wmax_u32_args in_args = {
@@ -942,9 +915,8 @@ static int wmax_thermal_information(u8 operation, u8 arg, u32 *out_data)
 		.arg3 = 0,
 	};
 
-	status = alienware_wmax_command(&in_args, sizeof(in_args),
-					WMAX_METHOD_THERMAL_INFORMATION,
-					out_data);
+	status = alienware_wmi_command(wdev, WMAX_METHOD_THERMAL_INFORMATION,
+				       &in_args, sizeof(in_args), out_data);
 
 	if (ACPI_FAILURE(status))
 		return -EIO;
@@ -955,7 +927,7 @@ static int wmax_thermal_information(u8 operation, u8 arg, u32 *out_data)
 	return 0;
 }
 
-static int wmax_thermal_control(u8 profile)
+static int wmax_thermal_control(struct wmi_device *wdev, u8 profile)
 {
 	acpi_status status;
 	struct wmax_u32_args in_args = {
@@ -966,9 +938,8 @@ static int wmax_thermal_control(u8 profile)
 	};
 	u32 out_data;
 
-	status = alienware_wmax_command(&in_args, sizeof(in_args),
-					WMAX_METHOD_THERMAL_CONTROL,
-					&out_data);
+	status = alienware_wmi_command(wdev, WMAX_METHOD_THERMAL_CONTROL,
+				       &in_args, sizeof(in_args), &out_data);
 
 	if (ACPI_FAILURE(status))
 		return -EIO;
@@ -979,7 +950,8 @@ static int wmax_thermal_control(u8 profile)
 	return 0;
 }
 
-static int wmax_game_shift_status(u8 operation, u32 *out_data)
+static int wmax_game_shift_status(struct wmi_device *wdev, u8 operation,
+				  u32 *out_data)
 {
 	acpi_status status;
 	struct wmax_u32_args in_args = {
@@ -989,9 +961,8 @@ static int wmax_game_shift_status(u8 operation, u32 *out_data)
 		.arg3 = 0,
 	};
 
-	status = alienware_wmax_command(&in_args, sizeof(in_args),
-					WMAX_METHOD_GAME_SHIFT_STATUS,
-					out_data);
+	status = alienware_wmi_command(wdev, WMAX_METHOD_GAME_SHIFT_STATUS,
+				       &in_args, sizeof(in_args), out_data);
 
 	if (ACPI_FAILURE(status))
 		return -EIO;
@@ -1005,10 +976,13 @@ static int wmax_game_shift_status(u8 operation, u32 *out_data)
 static int thermal_profile_get(struct platform_profile_handler *pprof,
 			       enum platform_profile_option *profile)
 {
+	struct awcc_priv *priv;
 	u32 out_data;
 	int ret;
 
-	ret = wmax_thermal_information(WMAX_OPERATION_CURRENT_PROFILE,
+	priv = container_of(pprof, struct awcc_priv, pp_handler);
+
+	ret = wmax_thermal_information(priv->wdev, WMAX_OPERATION_CURRENT_PROFILE,
 				       0, &out_data);
 
 	if (ret < 0)
@@ -1039,7 +1013,8 @@ static int thermal_profile_set(struct platform_profile_handler *pprof,
 		u32 gmode_status;
 		int ret;
 
-		ret = wmax_game_shift_status(WMAX_OPERATION_GET_GAME_SHIFT_STATUS,
+		ret = wmax_game_shift_status(priv->wdev,
+					     WMAX_OPERATION_GET_GAME_SHIFT_STATUS,
 					     &gmode_status);
 
 		if (ret < 0)
@@ -1047,7 +1022,8 @@ static int thermal_profile_set(struct platform_profile_handler *pprof,
 
 		if ((profile == PLATFORM_PROFILE_PERFORMANCE && !gmode_status) ||
 		    (profile != PLATFORM_PROFILE_PERFORMANCE && gmode_status)) {
-			ret = wmax_game_shift_status(WMAX_OPERATION_TOGGLE_GAME_SHIFT,
+			ret = wmax_game_shift_status(priv->wdev,
+						     WMAX_OPERATION_TOGGLE_GAME_SHIFT,
 						     &gmode_status);
 
 			if (ret < 0)
@@ -1055,7 +1031,8 @@ static int thermal_profile_set(struct platform_profile_handler *pprof,
 		}
 	}
 
-	return wmax_thermal_control(priv->supported_thermal_profiles[profile]);
+	return wmax_thermal_control(priv->wdev,
+				    priv->supported_thermal_profiles[profile]);
 }
 
 static int create_thermal_profile(struct wmi_device *wdev)
@@ -1071,7 +1048,9 @@ static int create_thermal_profile(struct wmi_device *wdev)
 	priv = devm_kzalloc(&wdev->dev, sizeof(*priv), GFP_KERNEL);
 	dev_set_drvdata(&wdev->dev, priv);
 
-	ret = wmax_thermal_information(WMAX_OPERATION_SYS_DESCRIPTION,
+	priv->wdev = wdev;
+
+	ret = wmax_thermal_information(wdev, WMAX_OPERATION_SYS_DESCRIPTION,
 				       0, (u32 *) &sys_desc);
 	if (ret < 0)
 		return ret;
@@ -1079,7 +1058,7 @@ static int create_thermal_profile(struct wmi_device *wdev)
 	first_mode = sys_desc[0] + sys_desc[1];
 
 	for (u32 i = 0; i < sys_desc[3]; i++) {
-		ret = wmax_thermal_information(WMAX_OPERATION_LIST_IDS,
+		ret = wmax_thermal_information(wdev, WMAX_OPERATION_LIST_IDS,
 					       i + first_mode, &out_data);
 
 		if (ret == -EIO)
-- 
2.47.1