diff options
Diffstat (limited to 'include/linux/input')
| -rw-r--r-- | include/linux/input/pixcir_ts.h | 44 | ||||
| -rw-r--r-- | include/linux/input/touchscreen.h | 22 |
2 files changed, 65 insertions, 1 deletions
diff --git a/include/linux/input/pixcir_ts.h b/include/linux/input/pixcir_ts.h index 7163d91c037..160cf353aa3 100644 --- a/include/linux/input/pixcir_ts.h +++ b/include/linux/input/pixcir_ts.h @@ -1,10 +1,52 @@ #ifndef _PIXCIR_I2C_TS_H #define _PIXCIR_I2C_TS_H +/* + * Register map + */ +#define PIXCIR_REG_POWER_MODE 51 +#define PIXCIR_REG_INT_MODE 52 + +/* + * Power modes: + * active: max scan speed + * idle: lower scan speed with automatic transition to active on touch + * halt: datasheet says sleep but this is more like halt as the chip + * clocks are cut and it can only be brought out of this mode + * using the RESET pin. + */ +enum pixcir_power_mode { + PIXCIR_POWER_ACTIVE, + PIXCIR_POWER_IDLE, + PIXCIR_POWER_HALT, +}; + +#define PIXCIR_POWER_MODE_MASK 0x03 +#define PIXCIR_POWER_ALLOW_IDLE (1UL << 2) + +/* + * Interrupt modes: + * periodical: interrupt is asserted periodicaly + * diff coordinates: interrupt is asserted when coordinates change + * level on touch: interrupt level asserted during touch + * pulse on touch: interrupt pulse asserted druing touch + * + */ +enum pixcir_int_mode { + PIXCIR_INT_PERIODICAL, + PIXCIR_INT_DIFF_COORD, + PIXCIR_INT_LEVEL_TOUCH, + PIXCIR_INT_PULSE_TOUCH, +}; + +#define PIXCIR_INT_MODE_MASK 0x03 +#define PIXCIR_INT_ENABLE (1UL << 3) +#define PIXCIR_INT_POL_HIGH (1UL << 2) + struct pixcir_ts_platform_data { - int (*attb_read_val)(void); int x_max; int y_max; + int gpio_attb; /* GPIO connected to ATTB line */ }; #endif diff --git a/include/linux/input/touchscreen.h b/include/linux/input/touchscreen.h new file mode 100644 index 00000000000..08a5ef6e8f2 --- /dev/null +++ b/include/linux/input/touchscreen.h @@ -0,0 +1,22 @@ +/* + * Copyright (c) 2014 Sebastian Reichel <sre@kernel.org> + * + * 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 _TOUCHSCREEN_H +#define _TOUCHSCREEN_H + +#include <linux/input.h> + +#ifdef CONFIG_OF +void touchscreen_parse_of_params(struct input_dev *dev); +#else +static inline void touchscreen_parse_of_params(struct input_dev *dev) +{ +} +#endif + +#endif |