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path: root/drivers/acpi/dptf/int340x_thermal.c
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Diffstat (limited to 'drivers/acpi/dptf/int340x_thermal.c')
-rw-r--r--drivers/acpi/dptf/int340x_thermal.c53
1 files changed, 53 insertions, 0 deletions
diff --git a/drivers/acpi/dptf/int340x_thermal.c b/drivers/acpi/dptf/int340x_thermal.c
new file mode 100644
index 000000000000..33505c651f62
--- /dev/null
+++ b/drivers/acpi/dptf/int340x_thermal.c
@@ -0,0 +1,53 @@
+/*
+ * ACPI support for int340x thermal drivers
+ *
+ * Copyright (C) 2014, Intel Corporation
+ * Authors: Zhang Rui <rui.zhang@intel.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/acpi.h>
+#include <linux/module.h>
+
+#include "internal.h"
+
+#define INT3401_DEVICE 0X01
+static const struct acpi_device_id int340x_thermal_device_ids[] = {
+ {"INT3400"},
+ {"INT3401", INT3401_DEVICE},
+ {"INT3402"},
+ {"INT3403"},
+ {"INT3404"},
+ {"INT3406"},
+ {"INT3407"},
+ {"INT3408"},
+ {"INT3409"},
+ {"INT340A"},
+ {"INT340B"},
+ {""},
+};
+
+static int int340x_thermal_handler_attach(struct acpi_device *adev,
+ const struct acpi_device_id *id)
+{
+ if (IS_ENABLED(CONFIG_INT340X_THERMAL))
+ acpi_create_platform_device(adev);
+ /* Intel SoC DTS thermal driver needs INT3401 to set IRQ descriptor */
+ else if (IS_ENABLED(CONFIG_INTEL_SOC_DTS_THERMAL) &&
+ id->driver_data == INT3401_DEVICE)
+ acpi_create_platform_device(adev);
+ return 1;
+}
+
+static struct acpi_scan_handler int340x_thermal_handler = {
+ .ids = int340x_thermal_device_ids,
+ .attach = int340x_thermal_handler_attach,
+};
+
+void __init acpi_int340x_thermal_init(void)
+{
+ acpi_scan_add_handler(&int340x_thermal_handler);
+}