Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / drivers / hwmon / abx500.h

diff --git a/kernel/drivers/hwmon/abx500.h b/kernel/drivers/hwmon/abx500.h
new file mode 100644 (file)
index 0000000..9b295e6
--- /dev/null
+++ b/kernel/drivers/hwmon/abx500.h
@@ -0,0 +1,69 @@
+/*
+ * Copyright (C) ST-Ericsson 2010 - 2013
+ * License terms: GNU General Public License v2
+ * Author: Martin Persson <martin.persson@stericsson.com>
+ *         Hongbo Zhang <hongbo.zhang@linaro.com>
+ */
+
+#ifndef _ABX500_H
+#define _ABX500_H
+
+#define NUM_SENSORS 5
+
+struct abx500_temp;
+
+/*
+ * struct abx500_temp_ops - abx500 chip specific ops
+ * @read_sensor: reads gpadc output
+ * @irq_handler: irq handler
+ * @show_name: hwmon device name
+ * @show_label: hwmon attribute label
+ * @is_visible: is attribute visible
+ */
+struct abx500_temp_ops {
+       int (*read_sensor)(struct abx500_temp *, u8, int *);
+       int (*irq_handler)(int, struct abx500_temp *);
+       ssize_t (*show_name)(struct device *,
+                       struct device_attribute *, char *);
+       ssize_t (*show_label) (struct device *,
+                       struct device_attribute *, char *);
+       int (*is_visible)(struct attribute *, int);
+};
+
+/*
+ * struct abx500_temp - representation of temp mon device
+ * @pdev: platform device
+ * @hwmon_dev: hwmon device
+ * @ops: abx500 chip specific ops
+ * @gpadc_addr: gpadc channel address
+ * @min: sensor temperature min value
+ * @max: sensor temperature max value
+ * @max_hyst: sensor temperature hysteresis value for max limit
+ * @min_alarm: sensor temperature min alarm
+ * @max_alarm: sensor temperature max alarm
+ * @work: delayed work scheduled to monitor temperature periodically
+ * @work_active: True if work is active
+ * @lock: mutex
+ * @monitored_sensors: number of monitored sensors
+ * @plat_data: private usage, usually points to platform specific data
+ */
+struct abx500_temp {
+       struct platform_device *pdev;
+       struct device *hwmon_dev;
+       struct abx500_temp_ops ops;
+       u8 gpadc_addr[NUM_SENSORS];
+       unsigned long min[NUM_SENSORS];
+       unsigned long max[NUM_SENSORS];
+       unsigned long max_hyst[NUM_SENSORS];
+       bool min_alarm[NUM_SENSORS];
+       bool max_alarm[NUM_SENSORS];
+       struct delayed_work work;
+       bool work_active;
+       struct mutex lock;
+       int monitored_sensors;
+       void *plat_data;
+};
+
+int abx500_hwmon_init(struct abx500_temp *data);
+
+#endif /* _ABX500_H */