diff options
Diffstat (limited to 'include/linux/k3g.h')
| -rw-r--r-- | include/linux/k3g.h | 263 |
1 files changed, 263 insertions, 0 deletions
diff --git a/include/linux/k3g.h b/include/linux/k3g.h new file mode 100644 index 0000000..636fbe2 --- /dev/null +++ b/include/linux/k3g.h @@ -0,0 +1,263 @@ +/* + * k3g.h - ST Microelectronics three-axis gyroscope sensor + * + * Copyright (c) 2010 Samsung Eletronics + * Donggeun Kim <dg77.kim@samsung.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. + */ + +#ifndef _K3G_H_ +#define _K3G_H_ + +#define K3G_WHO_AM_I 0x0f +#define K3G_CTRL_REG1 0x20 +#define K3G_CTRL_REG2 0x21 +#define K3G_CTRL_REG3 0x22 +#define K3G_CTRL_REG4 0x23 +#define K3G_CTRL_REG5 0x24 +#define K3G_REFERENCE 0x25 +#define K3G_OUT_TEMP 0x26 +#define K3G_STATUS_REG 0x27 +#define K3G_OUT_X_L 0x28 +#define K3G_OUT_X_H 0x29 +#define K3G_OUT_Y_L 0x2a +#define K3G_OUT_Y_H 0x2b +#define K3G_OUT_Z_L 0x2c +#define K3G_OUT_Z_H 0x2d +#define K3G_FIFO_CTRL_REG 0x2e +#define K3G_FIFO_SRC_REG 0x2f +#define K3G_INT1_CFG_REG 0x30 +#define K3G_INT1_SRC_REG 0x31 +#define K3G_INT1_THS_XH 0x32 +#define K3G_INT1_THS_XL 0x33 +#define K3G_INT1_THS_YH 0x34 +#define K3G_INT1_THS_YL 0x35 +#define K3G_INT1_THS_ZH 0x36 +#define K3G_INT1_THS_ZL 0x37 +#define K3G_INT1_DURATION_REG 0x38 + +#define K3G_MULTI_OUT_X_L 0xa8 + +#define K3G_DATA_RATE_SHIFT 6 +#define K3G_DATA_RATE_105HZ ((0x0) << K3G_DATA_RATE_SHIFT) +#define K3G_DATA_RATE_210HZ ((0x1) << K3G_DATA_RATE_SHIFT) +#define K3G_DATA_RATE_420HZ ((0x2) << K3G_DATA_RATE_SHIFT) +#define K3G_DATA_RATE_840HZ ((0x3) << K3G_DATA_RATE_SHIFT) +#define K3G_BANDWIDTH_SHIFT 4 +#define K3G_BANDWIDTH_MASK ((0x3) << K3G_BANDWIDTH_SHIFT) +#define K3G_POWERDOWN_SHIFT 3 +#define K3G_POWERDOWN_POWER_DOWN ((0x0) << K3G_POWERDOWN_SHIFT) +#define K3G_POWERDOWN_NORMAL ((0x1) << K3G_POWERDOWN_SHIFT) +#define K3G_POWERDOWN_MASK ((0x1) << K3G_POWERDOWN_SHIFT) +#define K3G_Z_EN_SHIFT 2 +#define K3G_Z_EN ((0x1) << K3G_Z_EN_SHIFT) +#define K3G_Y_EN_SHIFT 1 +#define K3G_Y_EN ((0x1) << K3G_Y_EN_SHIFT) +#define K3G_X_EN_SHIFT 0 +#define K3G_X_EN ((0x1) << K3G_X_EN_SHIFT) + +#define K3G_HIGH_PASS_FILTER_SHIFT 4 +#define K3G_HIGH_PASS_FILTER_NORMAL_MODE_RESET_READING \ + ((0x0) << K3G_HIGH_PASS_FILTER_SHIFT) +#define K3G_HIGH_PASS_FILTER_REFERENCE_SIGNAL \ + ((0x1) << K3G_HIGH_PASS_FILTER_SHIFT) +#define K3G_HIGH_PASS_FILTER_NORMAL_MODE \ + ((0x2) << K3G_HIGH_PASS_FILTER_SHIFT) +#define K3G_HIGH_PASS_FILTER_AUTORESET_ON_INTERRUPT \ + ((0x3) << K3G_HIGH_PASS_FILTER_SHIFT) +#define K3G_HIGH_PASS_FILTER_CUTOFF_FREQ_SHIFT 0 +#define K3G_HIGH_PASS_FILTER_CUTOFF_FREQ_MASK \ + ((0xf) << K3G_HIGH_PASS_FILTER_CUTOFF_FREQ_SHIFT) + +#define K3G_INT1_EN_SHIFT 7 +#define K3G_INT1_EN ((0x1) << K3G_INT1_EN_SHIFT) +#define K3G_INT1_BOOT_SHIFT 6 +#define K3G_INT1_BOOT ((0x1) << K3G_INT1_BOOT_SHIFT) +#define K3G_INT1_ACTIVE_SHIFT 5 +#define K3G_INT1_ACTIVE_HIGH ((0x0) << K3G_INT1_ACTIVE_SHIFT) +#define K3G_INT1_ACTIVE_LOW ((0x1) << K3G_INT1_ACTIVE_SHIFT) +#define K3G_INT_PUSH_PULL_OPEN_DRAIN_SHIFT 4 +#define K3G_INT_PUSH_PULL \ + ((0x0) << K3G_INT_PUSH_PULL_OPEN_DRAIN_SHIFT) +#define K3G_INT_OPEN_DRAIN \ + ((0x1) << K3G_INT_PUSH_PULL_OPEN_DRAIN_SHIFT) +#define K3G_INT2_SRC_SHIFT 0 +#define K3G_INT2_SRC_MASK ((0x0f) << K3G_INT2_SRC_SHIFT) +#define K3G_INT2_DATA_READY_SHIFT 3 +#define K3G_INT2_DATA_READY ((0x1) << K3G_INT2_DATA_READY_SHIFT) +#define K3G_INT2_WATERMARK_SHIFT 2 +#define K3G_INT2_WATERMARK ((0x1) << K3G_INT2_WATERMARK_SHIFT) +#define K3G_INT2_OVERRUN_SHIFT 1 +#define K3G_INT2_OVERRUN ((0x1) << K3G_INT2_OVERRUN_SHIFT) +#define K3G_INT2_EMPTY_SHIFT 0 +#define K3G_INT2_EMPTY ((0x1) << K3G_INT2_EMPTY_SHIFT) + +#define K3G_BLOCK_DATA_UPDATE_SHIFT 7 +#define K3G_BLOCK_DATA_UPDATE \ + ((0x1) << K3G_BLOCK_DATA_UPDATE_SHIFT) +#define K3G_BIG_LITTLE_ENDIAN_SHIFT 6 +#define K3G_BIG_ENDIAN ((0x0) << K3G_BIG_LITTLE_ENDIAN_SHIFT) +#define K3G_LITTLE_ENDIAN ((0x1) << K3G_BIG_LITTLE_ENDIAN_SHIFT) +#define K3G_FULL_SCALE_SHIFT 4 +#define K3G_FULL_SCALE_250DPS ((0x0) << K3G_FULL_SCALE_SHIFT) +#define K3G_FULL_SCALE_500DPS ((0x1) << K3G_FULL_SCALE_SHIFT) +#define K3G_FULL_SCALE_2000DPS ((0x2) << K3G_FULL_SCALE_SHIFT) +#define K3G_SELF_TEST_SHIFT 1 +#define K3G_SELF_TESET_NORMAL ((0x0) << K3G_SELF_TEST_SHIFT) +#define K3G_SELF_TESET_0 ((0x1) << K3G_SELF_TEST_SHIFT) +#define K3G_SELF_TESET_1 ((0x3) << K3G_SELF_TEST_SHIFT) +#define K3G_SPI_MODE_SHIFT 0 +#define K3G_SPI_FOUR_WIRE ((0x0) << K3G_SPI_MODE_SHIFT) +#define K3G_SPI_THREE_WIRE ((0x1) << K3G_SPI_MODE_SHIFT) + +#define K3G_REBOOT_SHIFT 7 +#define K3G_REBOOT ((0x1) << K3G_REBOOT_SHIFT) +#define K3G_FIFO_EN_SHIFT 6 +#define K3G_FIFO_EN ((0x1) << K3G_FIFO_EN_SHIFT) +#define K3G_HIGH_PASS_FILTER_EN_SHIFT 4 +#define K3G_HIGH_PASS_FILTER_EN \ + ((0x1) << K3G_HIGH_PASS_FILTER_EN_SHIFT) +#define K3G_INT1_SELECTION_SHIFT 2 +#define K3G_INT1_SELECTION ((0x3) << K3G_INT1_SELECTION_SHIFT) +#define K3G_OUT_SELECTION_SHIFT 0 +#define K3G_OUT_SELECTION ((0x3) << K3G_OUT_SELECTION_SHIFT) + +#define K3G_ZYX_OVERRUN_SHIFT 7 +#define K3G_ZYX_OVERRUN ((0x1) << K3G_ZYX_OVERRUN_SHIFT) +#define K3G_Z_OVERRUN_SHIFT 6 +#define K3G_Z_OVERRUN ((0x1) << K3G_Z_OVERRUN_SHIFT) +#define K3G_Y_OVERRUN_SHIFT 5 +#define K3G_Y_OVERRUN ((0x1) << K3G_Y_OVERRUN_SHIFT) +#define K3G_X_OVERRUN_SHIFT 4 +#define K3G_X_OVERRUN ((0x1) << K3G_X_OVERRUN_SHIFT) +#define K3G_ZYX_DATA_AVAILABLE_SHIFT 3 +#define K3G_ZYX_DATA_AVAILABEL \ + ((0x1) << K3G_ZYX_DATA_AVAILABLE_SHIFT) +#define K3G_Z_DATA_AVAILABLE_SHIFT 2 +#define K3G_Z_DATA_AVAILABLE ((0x1) << K3G_Z_DATA_AVAILABLE_SHIFT) +#define K3G_Y_DATA_AVAILABLE_SHIFT 1 +#define K3G_Y_DATA_AVAILABLE ((0x1) << K3G_Y_DATA_AVAILABLE_SHIFT) +#define K3G_X_DATA_AVAILABLE_SHIFT 0 +#define K3G_X_DATA_AVAILABLE ((0x1) << K3G_X_DATA_AVAILABLE_SHIFT) + +#define K3G_FIFO_MODE_SHIFT 5 +#define K3G_FIFO_BYPASS_MODE ((0x0) << K3G_FIFO_MODE_SHIFT) +#define K3G_FIFO_FIFO_MODE ((0x1) << K3G_FIFO_MODE_SHIFT) +#define K3G_FIFO_STREAM_MODE ((0x2) << K3G_FIFO_MODE_SHIFT) +#define K3G_FIFO_STREAM_TO_FIFO_MODE ((0x3) << K3G_FIFO_MODE_SHIFT) +#define K3G_FIFO_BYPASS_TO_STREAM_MODE ((0x4) << K3G_FIFO_MODE_SHIFT) +#define K3G_FIFO_MODE_MASK ((0x7) << K3G_FIFO_MODE_SHIFT) +#define K3G_WATERMARK_THRES_SHIFT 0 +#define K3G_WATERMARK_THRES_MASK ((0x1f) << K3G_WATERMARK_THRES_SHIFT) + +#define K3G_WATERMARK_SHIFT 7 +#define K3G_WATERMARK ((0x1) << K3G_WATERMARK_SHIFT) +#define K3G_OVERRUN_SHIFT 6 +#define K3G_OVERRUN ((0x1) << K3G_OVERRUN_SHIFT) +#define K3G_EMPTY_SHIFT 5 +#define K3G_EMPTY ((0x1) << K3G_EMPTY_SHIFT) +#define K3G_FIFO_STORED_SHIFT 0 +#define K3G_FIFO_STORED_MASK ((0x1f) << K3G_FIFO_STORED_SHIFT) + +#define K3G_AND_OR_COMBINATION_SHIFT 7 +#define K3G_OR_COMBINATION ((0x0) << K3G_AND_OR_COMBINATION_SHIFT) +#define K3G_AND_COMBINATION ((0x1) << K3G_AND_OR_COMBINATION_SHIFT) +#define K3G_LATCH_INTERRUPT_SHIFT 6 +#define K3G_INTERRUPT_NO_LATCHED ((0x0) << K3G_LATCH_INTERRUPT_SHIFT) +#define K3G_INTERRUPT_LATCHED ((0x1) << K3G_LATCH_INTERRUPT_SHIFT) +#define K3G_Z_HIGH_INT_EN_SHIFT 5 +#define K3G_Z_HIGH_INT_EN ((0x1) << K3G_Z_HIGH_INT_EN_SHIFT) +#define K3G_Z_LOW_INT_EN_SHIFT 4 +#define K3G_Z_LOW_INT_EN ((0x1) << K3G_Z_LOW_INT_EN_SHIFT) +#define K3G_Y_HIGH_INT_EN_SHIFT 3 +#define K3G_Y_HIGH_INT_EN ((0x1) << K3G_Y_HIGH_INT_EN_SHIFT) +#define K3G_Y_LOW_INT_EN_SHIFT 2 +#define K3G_Y_LOW_INT_EN ((0x1) << K3G_Y_LOW_INT_EN_SHIFT) +#define K3G_X_HIGH_INT_EN_SHIFT 1 +#define K3G_X_HIGH_INT_EN ((0x1) << K3G_X_HIGH_INT_EN_SHIFT) +#define K3G_X_LOW_INT_EN_SHIFT 0 +#define K3G_X_LOW_INT_EN ((0x1) << K3G_X_LOW_INT_EN_SHIFT) + +#define K3G_INTERRUPT_ACTIVE_SHIFT 6 +#define K3G_INTERRUPT_ACTIVE ((0x1) << K3G_INTERRUPT_ACTIVE_SHIFT) +#define K3G_Z_HIGH_SHIFT 5 +#define K3G_Z_HIGH ((0x1) << K3G_Z_HIGH_SHIFT) +#define K3G_Z_LOW_SHIFT 4 +#define K3G_Z_LOW ((0x1) << K3G_Z_LOW_SHIFT) +#define K3G_Y_HIGH_SHIFT 3 +#define K3G_Y_HIGH ((0x1) << K3G_Y_HIGH_SHIFT) +#define K3G_Y_LOW_SHIFT 2 +#define K3G_Y_LOW ((0x1) << K3G_Y_LOW_SHIFT) +#define K3G_X_HIGH_SHIFT 1 +#define K3G_X_HIGH ((0x1) << K3G_X_HIGH_SHIFT) +#define K3G_X_LOW_SHIFT 0 +#define K3G_X_LOW ((0x1) << K3G_X_LOW_SHIFT) + +#define K3G_INT1_WAIT_EN_SHIFT 7 +#define K3G_INT1_WAIT_EN ((0x1) << K3G_INT1_WAIT_EN_SHIFT) +#define K3G_INT1_DURATION_SHIFT 0 +#define K3G_INT1_DURATION_MASK ((0x7f) << K3G_INT1_DURATION_SHIFT) + +#define K3G_TEMP_SHIFT 0 +#define K3G_TEMP_MASK ((0xff) << K3G_TEMP_SHIFT) + +#define K3G_DEV_ID 0xd3 + +struct k3g_platform_data { + int irq2; + u8 data_rate; + u8 bandwidth; + u8 powerdown; + u8 zen; + u8 yen; + u8 xen; + u8 hpmode; + u8 hpcf; + u8 int1_enable; + u8 int1_boot; + u8 int1_hl_active; + u8 int_pp_od; + u8 int2_src; + u8 block_data_update; + u8 endian; + u8 fullscale; + u8 selftest; + u8 spi_mode; + u8 reboot; + u8 fifo_enable; + u8 hp_enable; + u8 int1_sel; + u8 out_sel; + u8 fifo_mode; + u8 fifo_threshold; + u8 int1_combination; + u8 int1_latch; + u8 int1_z_high_enable; + u8 int1_z_low_enable; + u8 int1_y_high_enable; + u8 int1_y_low_enable; + u8 int1_x_high_enable; + u8 int1_x_low_enable; + u8 int1_wait_enable; + u8 int1_wait_duration; + u16 int1_z_threshold; + u16 int1_y_threshold; + u16 int1_x_threshold; +}; + +struct k3g_chip { + struct i2c_client *client; + struct iio_dev *indio_dev; + struct work_struct work_thresh; + struct work_struct work_fifo; + struct iio_trigger *trig; + s64 last_timestamp; + struct mutex lock; + struct mutex ring_lock; + struct k3g_platform_data *pdata; +}; + +#endif |