projects / mirror_ubuntu-eoan-kernel.git / blame
| Commit | Line | Data |
|---|---|---|
| f1443404 NS |
1 | |
| 2 | /* | |
| 3 | * Copyright (c) 2008 MtekVision Co., Ltd. | |
| 4 | * Kwangwoo Lee <kwlee@mtekvision.com> | |
| 5 | * | |
| 6 | * Using code from: | |
| 7 | * - ads7846.c | |
| 8 | * Copyright (c) 2005 David Brownell | |
| 9 | * Copyright (c) 2006 Nokia Corporation | |
| 10 | * - corgi_ts.c | |
| 11 | * Copyright (C) 2004-2005 Richard Purdie | |
| 12 | * - omap_ts.[hc], ads7846.h, ts_osk.c | |
| 13 | * Copyright (C) 2002 MontaVista Software | |
| 14 | * Copyright (C) 2004 Texas Instruments | |
| 15 | * Copyright (C) 2005 Dirk Behme | |
| 16 | * | |
| 17 | * This program is free software; you can redistribute it and/or modify | |
| 18 | * it under the terms of the GNU General Public License version 2 as | |
| 19 | * published by the Free Software Foundation. | |
| 20 | */ | |
| 21 | ||
| 22 | #ifndef _TSC2007_H | |
| 23 | #define _TSC2007_H | |
| 24 | ||
| 25 | #define TSC2007_MEASURE_TEMP0 (0x0 << 4) | |
| 26 | #define TSC2007_MEASURE_AUX (0x2 << 4) | |
| 27 | #define TSC2007_MEASURE_TEMP1 (0x4 << 4) | |
| 28 | #define TSC2007_ACTIVATE_XN (0x8 << 4) | |
| 29 | #define TSC2007_ACTIVATE_YN (0x9 << 4) | |
| 30 | #define TSC2007_ACTIVATE_YP_XN (0xa << 4) | |
| 31 | #define TSC2007_SETUP (0xb << 4) | |
| 32 | #define TSC2007_MEASURE_X (0xc << 4) | |
| 33 | #define TSC2007_MEASURE_Y (0xd << 4) | |
| 34 | #define TSC2007_MEASURE_Z1 (0xe << 4) | |
| 35 | #define TSC2007_MEASURE_Z2 (0xf << 4) | |
| 36 | ||
| 37 | #define TSC2007_POWER_OFF_IRQ_EN (0x0 << 2) | |
| 38 | #define TSC2007_ADC_ON_IRQ_DIS0 (0x1 << 2) | |
| 39 | #define TSC2007_ADC_OFF_IRQ_EN (0x2 << 2) | |
| 40 | #define TSC2007_ADC_ON_IRQ_DIS1 (0x3 << 2) | |
| 41 | ||
| 42 | #define TSC2007_12BIT (0x0 << 1) | |
| 43 | #define TSC2007_8BIT (0x1 << 1) | |
| 44 | ||
| 45 | #define MAX_12BIT ((1 << 12) - 1) | |
| 46 | ||
| 47 | #define ADC_ON_12BIT (TSC2007_12BIT | TSC2007_ADC_ON_IRQ_DIS0) | |
| 48 | ||
| 49 | #define READ_Y (ADC_ON_12BIT | TSC2007_MEASURE_Y) | |
| 50 | #define READ_Z1 (ADC_ON_12BIT | TSC2007_MEASURE_Z1) | |
| 51 | #define READ_Z2 (ADC_ON_12BIT | TSC2007_MEASURE_Z2) | |
| 52 | #define READ_X (ADC_ON_12BIT | TSC2007_MEASURE_X) | |
| 53 | #define PWRDOWN (TSC2007_12BIT | TSC2007_POWER_OFF_IRQ_EN) | |
| 54 | ||
| 55 | struct ts_event { | |
| 56 | u16 x; | |
| 57 | u16 y; | |
| 58 | u16 z1, z2; | |
| 59 | }; | |
| 60 | ||
| 61 | struct tsc2007 { | |
| 62 | struct input_dev *input; | |
| 63 | char phys[32]; | |
| 64 | ||
| 65 | struct i2c_client *client; | |
| 66 | ||
| 67 | u16 model; | |
| 68 | u16 x_plate_ohms; | |
| 69 | u16 max_rt; | |
| 70 | unsigned long poll_period; /* in jiffies */ | |
| 71 | int fuzzx; | |
| 72 | int fuzzy; | |
| 73 | int fuzzz; | |
| 74 | ||
| 75 | unsigned int gpio; | |
| 76 | int irq; | |
| 77 | ||
| 78 | wait_queue_head_t wait; | |
| 79 | bool stopped; | |
| 80 | ||
| 81 | int (*get_pendown_state)(struct device *); | |
| 82 | void (*clear_penirq)(void); | |
| 83 | ||
| 84 | struct mutex mlock; | |
| 85 | }; | |
| 86 | ||
| 87 | int tsc2007_xfer(struct tsc2007 *tsc, u8 cmd); | |
| deec586d | 88 | u32 tsc2007_calculate_resistance(struct tsc2007 *tsc, struct ts_event *tc); |
| f1443404 NS |
89 | bool tsc2007_is_pen_down(struct tsc2007 *ts); |
| 90 | ||
| 91 | #if IS_ENABLED(CONFIG_TOUCHSCREEN_TSC2007_IIO) | |
| 92 | /* defined in tsc2007_iio.c */ | |
| 93 | int tsc2007_iio_configure(struct tsc2007 *ts); | |
| 94 | #else | |
| 95 | static inline int tsc2007_iio_configure(struct tsc2007 *ts) | |
| 96 | { | |
| 97 | return 0; | |
| 98 | } | |
| 99 | #endif /* CONFIG_TOUCHSCREEN_TSC2007_IIO */ | |
| 100 | ||
| 101 | #endif /* _TSC2007_H */ |