Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / drivers / iio / accel / mma9551_core.h

diff --git a/kernel/drivers/iio/accel/mma9551_core.h b/kernel/drivers/iio/accel/mma9551_core.h
new file mode 100644 (file)
index 0000000..edaa56b
--- /dev/null
+++ b/kernel/drivers/iio/accel/mma9551_core.h
@@ -0,0 +1,81 @@
+/*
+ * Common code for Freescale MMA955x Intelligent Sensor Platform drivers
+ * Copyright (c) 2014, Intel Corporation.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ */
+
+#ifndef _MMA9551_CORE_H_
+#define _MMA9551_CORE_H_
+
+/* Applications IDs */
+#define MMA9551_APPID_VERSION          0x00
+#define MMA9551_APPID_GPIO             0x03
+#define MMA9551_APPID_AFE              0x06
+#define MMA9551_APPID_TILT             0x0B
+#define MMA9551_APPID_SLEEP_WAKE       0x12
+#define MMA9551_APPID_PEDOMETER                0x15
+#define MMA9551_APPID_RCS              0x17
+#define MMA9551_APPID_NONE             0xff
+
+/* Reset/Suspend/Clear application app masks */
+#define MMA9551_RSC_PED                        BIT(21)
+
+#define MMA9551_AUTO_SUSPEND_DELAY_MS  2000
+
+enum mma9551_gpio_pin {
+       mma9551_gpio6 = 0,
+       mma9551_gpio7,
+       mma9551_gpio8,
+       mma9551_gpio9,
+       mma9551_gpio_max = mma9551_gpio9,
+};
+
+#define MMA9551_ACCEL_CHANNEL(axis) {                          \
+       .type = IIO_ACCEL,                                      \
+       .modified = 1,                                          \
+       .channel2 = axis,                                       \
+       .info_mask_separate = BIT(IIO_CHAN_INFO_RAW),           \
+       .info_mask_shared_by_type = BIT(IIO_CHAN_INFO_SCALE),   \
+}
+
+int mma9551_read_config_byte(struct i2c_client *client, u8 app_id,
+                            u16 reg, u8 *val);
+int mma9551_write_config_byte(struct i2c_client *client, u8 app_id,
+                             u16 reg, u8 val);
+int mma9551_read_status_byte(struct i2c_client *client, u8 app_id,
+                            u16 reg, u8 *val);
+int mma9551_read_config_word(struct i2c_client *client, u8 app_id,
+                           u16 reg, u16 *val);
+int mma9551_write_config_word(struct i2c_client *client, u8 app_id,
+                            u16 reg, u16 val);
+int mma9551_read_status_word(struct i2c_client *client, u8 app_id,
+                            u16 reg, u16 *val);
+int mma9551_read_config_words(struct i2c_client *client, u8 app_id,
+                            u16 reg, u8 len, u16 *buf);
+int mma9551_read_status_words(struct i2c_client *client, u8 app_id,
+                             u16 reg, u8 len, u16 *buf);
+int mma9551_write_config_words(struct i2c_client *client, u8 app_id,
+                              u16 reg, u8 len, u16 *buf);
+int mma9551_update_config_bits(struct i2c_client *client, u8 app_id,
+                              u16 reg, u8 mask, u8 val);
+int mma9551_gpio_config(struct i2c_client *client, enum mma9551_gpio_pin pin,
+                       u8 app_id, u8 bitnum, int polarity);
+int mma9551_read_version(struct i2c_client *client);
+int mma9551_set_device_state(struct i2c_client *client, bool enable);
+int mma9551_set_power_state(struct i2c_client *client, bool on);
+void mma9551_sleep(int freq);
+int mma9551_read_accel_chan(struct i2c_client *client,
+                           const struct iio_chan_spec *chan,
+                           int *val, int *val2);
+int mma9551_read_accel_scale(int *val, int *val2);
+int mma9551_app_reset(struct i2c_client *client, u32 app_mask);
+
+#endif /* _MMA9551_CORE_H_ */