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Diffstat (limited to 'ANDROID_3.4.5/include/linux/input/adxl34x.h')
-rw-r--r-- | ANDROID_3.4.5/include/linux/input/adxl34x.h | 356 |
1 files changed, 0 insertions, 356 deletions
diff --git a/ANDROID_3.4.5/include/linux/input/adxl34x.h b/ANDROID_3.4.5/include/linux/input/adxl34x.h deleted file mode 100644 index 57e01a7c..00000000 --- a/ANDROID_3.4.5/include/linux/input/adxl34x.h +++ /dev/null @@ -1,356 +0,0 @@ -/* - * include/linux/input/adxl34x.h - * - * Digital Accelerometer characteristics are highly application specific - * and may vary between boards and models. The platform_data for the - * device's "struct device" holds this information. - * - * Copyright 2009 Analog Devices Inc. - * - * Licensed under the GPL-2 or later. - */ - -#ifndef __LINUX_INPUT_ADXL34X_H__ -#define __LINUX_INPUT_ADXL34X_H__ - -struct adxl34x_platform_data { - - /* - * X,Y,Z Axis Offset: - * offer user offset adjustments in twoscompliment - * form with a scale factor of 15.6 mg/LSB (i.e. 0x7F = +2 g) - */ - - s8 x_axis_offset; - s8 y_axis_offset; - s8 z_axis_offset; - - /* - * TAP_X/Y/Z Enable: Setting TAP_X, Y, or Z Enable enables X, - * Y, or Z participation in Tap detection. A '0' excludes the - * selected axis from participation in Tap detection. - * Setting the SUPPRESS bit suppresses Double Tap detection if - * acceleration greater than tap_threshold is present during the - * tap_latency period, i.e. after the first tap but before the - * opening of the second tap window. - */ - -#define ADXL_SUPPRESS (1 << 3) -#define ADXL_TAP_X_EN (1 << 2) -#define ADXL_TAP_Y_EN (1 << 1) -#define ADXL_TAP_Z_EN (1 << 0) - - u8 tap_axis_control; - - /* - * tap_threshold: - * holds the threshold value for tap detection/interrupts. - * The data format is unsigned. The scale factor is 62.5 mg/LSB - * (i.e. 0xFF = +16 g). A zero value may result in undesirable - * behavior if Tap/Double Tap is enabled. - */ - - u8 tap_threshold; - - /* - * tap_duration: - * is an unsigned time value representing the maximum - * time that an event must be above the tap_threshold threshold - * to qualify as a tap event. The scale factor is 625 us/LSB. A zero - * value will prevent Tap/Double Tap functions from working. - */ - - u8 tap_duration; - - /* - * tap_latency: - * is an unsigned time value representing the wait time - * from the detection of a tap event to the opening of the time - * window tap_window for a possible second tap event. The scale - * factor is 1.25 ms/LSB. A zero value will disable the Double Tap - * function. - */ - - u8 tap_latency; - - /* - * tap_window: - * is an unsigned time value representing the amount - * of time after the expiration of tap_latency during which a second - * tap can begin. The scale factor is 1.25 ms/LSB. A zero value will - * disable the Double Tap function. - */ - - u8 tap_window; - - /* - * act_axis_control: - * X/Y/Z Enable: A '1' enables X, Y, or Z participation in activity - * or inactivity detection. A '0' excludes the selected axis from - * participation. If all of the axes are excluded, the function is - * disabled. - * AC/DC: A '0' = DC coupled operation and a '1' = AC coupled - * operation. In DC coupled operation, the current acceleration is - * compared with activity_threshold and inactivity_threshold directly - * to determine whether activity or inactivity is detected. In AC - * coupled operation for activity detection, the acceleration value - * at the start of activity detection is taken as a reference value. - * New samples of acceleration are then compared to this - * reference value and if the magnitude of the difference exceeds - * activity_threshold the device will trigger an activity interrupt. In - * AC coupled operation for inactivity detection, a reference value - * is used again for comparison and is updated whenever the - * device exceeds the inactivity threshold. Once the reference - * value is selected, the device compares the magnitude of the - * difference between the reference value and the current - * acceleration with inactivity_threshold. If the difference is below - * inactivity_threshold for a total of inactivity_time, the device is - * considered inactive and the inactivity interrupt is triggered. - */ - -#define ADXL_ACT_ACDC (1 << 7) -#define ADXL_ACT_X_EN (1 << 6) -#define ADXL_ACT_Y_EN (1 << 5) -#define ADXL_ACT_Z_EN (1 << 4) -#define ADXL_INACT_ACDC (1 << 3) -#define ADXL_INACT_X_EN (1 << 2) -#define ADXL_INACT_Y_EN (1 << 1) -#define ADXL_INACT_Z_EN (1 << 0) - - u8 act_axis_control; - - /* - * activity_threshold: - * holds the threshold value for activity detection. - * The data format is unsigned. The scale factor is - * 62.5 mg/LSB. A zero value may result in undesirable behavior if - * Activity interrupt is enabled. - */ - - u8 activity_threshold; - - /* - * inactivity_threshold: - * holds the threshold value for inactivity - * detection. The data format is unsigned. The scale - * factor is 62.5 mg/LSB. A zero value may result in undesirable - * behavior if Inactivity interrupt is enabled. - */ - - u8 inactivity_threshold; - - /* - * inactivity_time: - * is an unsigned time value representing the - * amount of time that acceleration must be below the value in - * inactivity_threshold for inactivity to be declared. The scale factor - * is 1 second/LSB. Unlike the other interrupt functions, which - * operate on unfiltered data, the inactivity function operates on the - * filtered output data. At least one output sample must be - * generated for the inactivity interrupt to be triggered. This will - * result in the function appearing un-responsive if the - * inactivity_time register is set with a value less than the time - * constant of the Output Data Rate. A zero value will result in an - * interrupt when the output data is below inactivity_threshold. - */ - - u8 inactivity_time; - - /* - * free_fall_threshold: - * holds the threshold value for Free-Fall detection. - * The data format is unsigned. The root-sum-square(RSS) value - * of all axes is calculated and compared to the value in - * free_fall_threshold to determine if a free fall event may be - * occurring. The scale factor is 62.5 mg/LSB. A zero value may - * result in undesirable behavior if Free-Fall interrupt is - * enabled. Values between 300 and 600 mg (0x05 to 0x09) are - * recommended. - */ - - u8 free_fall_threshold; - - /* - * free_fall_time: - * is an unsigned time value representing the minimum - * time that the RSS value of all axes must be less than - * free_fall_threshold to generate a Free-Fall interrupt. The - * scale factor is 5 ms/LSB. A zero value may result in - * undesirable behavior if Free-Fall interrupt is enabled. - * Values between 100 to 350 ms (0x14 to 0x46) are recommended. - */ - - u8 free_fall_time; - - /* - * data_rate: - * Selects device bandwidth and output data rate. - * RATE = 3200 Hz / (2^(15 - x)). Default value is 0x0A, or 100 Hz - * Output Data Rate. An Output Data Rate should be selected that - * is appropriate for the communication protocol and frequency - * selected. Selecting too high of an Output Data Rate with a low - * communication speed will result in samples being discarded. - */ - - u8 data_rate; - - /* - * data_range: - * FULL_RES: When this bit is set with the device is - * in Full-Resolution Mode, where the output resolution increases - * with RANGE to maintain a 4 mg/LSB scale factor. When this - * bit is cleared the device is in 10-bit Mode and RANGE determine the - * maximum g-Range and scale factor. - */ - -#define ADXL_FULL_RES (1 << 3) -#define ADXL_RANGE_PM_2g 0 -#define ADXL_RANGE_PM_4g 1 -#define ADXL_RANGE_PM_8g 2 -#define ADXL_RANGE_PM_16g 3 - - u8 data_range; - - /* - * low_power_mode: - * A '0' = Normal operation and a '1' = Reduced - * power operation with somewhat higher noise. - */ - - u8 low_power_mode; - - /* - * power_mode: - * LINK: A '1' with both the activity and inactivity functions - * enabled will delay the start of the activity function until - * inactivity is detected. Once activity is detected, inactivity - * detection will begin and prevent the detection of activity. This - * bit serially links the activity and inactivity functions. When '0' - * the inactivity and activity functions are concurrent. Additional - * information can be found in the ADXL34x datasheet's Application - * section under Link Mode. - * AUTO_SLEEP: A '1' sets the ADXL34x to switch to Sleep Mode - * when inactivity (acceleration has been below inactivity_threshold - * for at least inactivity_time) is detected and the LINK bit is set. - * A '0' disables automatic switching to Sleep Mode. See the - * Sleep Bit section of the ADXL34x datasheet for more information. - */ - -#define ADXL_LINK (1 << 5) -#define ADXL_AUTO_SLEEP (1 << 4) - - u8 power_mode; - - /* - * fifo_mode: - * BYPASS The FIFO is bypassed - * FIFO FIFO collects up to 32 values then stops collecting data - * STREAM FIFO holds the last 32 data values. Once full, the FIFO's - * oldest data is lost as it is replaced with newer data - * - * DEFAULT should be ADXL_FIFO_STREAM - */ - -#define ADXL_FIFO_BYPASS 0 -#define ADXL_FIFO_FIFO 1 -#define ADXL_FIFO_STREAM 2 - - u8 fifo_mode; - - /* - * watermark: - * The Watermark feature can be used to reduce the interrupt load - * of the system. The FIFO fills up to the value stored in watermark - * [1..32] and then generates an interrupt. - * A '0' disables the watermark feature. - */ - - u8 watermark; - - /* - * When acceleration measurements are received from the ADXL34x - * events are sent to the event subsystem. The following settings - * select the event type and event code for new x, y and z axis data - * respectively. - */ - u32 ev_type; /* EV_ABS or EV_REL */ - - u32 ev_code_x; /* ABS_X,Y,Z or REL_X,Y,Z */ - u32 ev_code_y; /* ABS_X,Y,Z or REL_X,Y,Z */ - u32 ev_code_z; /* ABS_X,Y,Z or REL_X,Y,Z */ - - /* - * A valid BTN or KEY Code; use tap_axis_control to disable - * event reporting - */ - - u32 ev_code_tap[3]; /* EV_KEY {X-Axis, Y-Axis, Z-Axis} */ - - /* - * A valid BTN or KEY Code for Free-Fall or Activity enables - * input event reporting. A '0' disables the Free-Fall or - * Activity reporting. - */ - - u32 ev_code_ff; /* EV_KEY */ - u32 ev_code_act_inactivity; /* EV_KEY */ - - /* - * Use ADXL34x INT2 pin instead of INT1 pin for interrupt output - */ - u8 use_int2; - - /* - * ADXL346 only ORIENTATION SENSING feature - * The orientation function of the ADXL346 reports both 2-D and - * 3-D orientation concurrently. - */ - -#define ADXL_EN_ORIENTATION_2D 1 -#define ADXL_EN_ORIENTATION_3D 2 -#define ADXL_EN_ORIENTATION_2D_3D 3 - - u8 orientation_enable; - - /* - * The width of the deadzone region between two or more - * orientation positions is determined by setting the Deadzone - * value. The deadzone region size can be specified with a - * resolution of 3.6deg. The deadzone angle represents the total - * angle where the orientation is considered invalid. - */ - -#define ADXL_DEADZONE_ANGLE_0p0 0 /* !!!0.0 [deg] */ -#define ADXL_DEADZONE_ANGLE_3p6 1 /* 3.6 [deg] */ -#define ADXL_DEADZONE_ANGLE_7p2 2 /* 7.2 [deg] */ -#define ADXL_DEADZONE_ANGLE_10p8 3 /* 10.8 [deg] */ -#define ADXL_DEADZONE_ANGLE_14p4 4 /* 14.4 [deg] */ -#define ADXL_DEADZONE_ANGLE_18p0 5 /* 18.0 [deg] */ -#define ADXL_DEADZONE_ANGLE_21p6 6 /* 21.6 [deg] */ -#define ADXL_DEADZONE_ANGLE_25p2 7 /* 25.2 [deg] */ - - u8 deadzone_angle; - - /* - * To eliminate most human motion such as walking or shaking, - * a Divisor value should be selected to effectively limit the - * orientation bandwidth. Set the depth of the filter used to - * low-pass filter the measured acceleration for stable - * orientation sensing - */ - -#define ADXL_LP_FILTER_DIVISOR_2 0 -#define ADXL_LP_FILTER_DIVISOR_4 1 -#define ADXL_LP_FILTER_DIVISOR_8 2 -#define ADXL_LP_FILTER_DIVISOR_16 3 -#define ADXL_LP_FILTER_DIVISOR_32 4 -#define ADXL_LP_FILTER_DIVISOR_64 5 -#define ADXL_LP_FILTER_DIVISOR_128 6 -#define ADXL_LP_FILTER_DIVISOR_256 7 - - u8 divisor_length; - - u32 ev_codes_orient_2d[4]; /* EV_KEY {+X, -X, +Y, -Y} */ - u32 ev_codes_orient_3d[6]; /* EV_KEY {+Z, +Y, +X, -X, -Y, -Z} */ -}; -#endif |