^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) // SPDX-License-Identifier: GPL-2.0-only
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) * Driver for AUO in-cell touchscreens
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) * Copyright (c) 2011 Heiko Stuebner <heiko@sntech.de>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) * loosely based on auo_touch.c from Dell Streak vendor-kernel
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) * Copyright (c) 2008 QUALCOMM Incorporated.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) * Copyright (c) 2008 QUALCOMM USA, INC.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) #include <linux/kernel.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) #include <linux/module.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) #include <linux/interrupt.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) #include <linux/slab.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) #include <linux/input.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) #include <linux/jiffies.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) #include <linux/i2c.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) #include <linux/mutex.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) #include <linux/delay.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) #include <linux/gpio.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) #include <linux/input/auo-pixcir-ts.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) #include <linux/of.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) #include <linux/of_gpio.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) * Coordinate calculation:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) * X1 = X1_LSB + X1_MSB*256
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) * Y1 = Y1_LSB + Y1_MSB*256
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) * X2 = X2_LSB + X2_MSB*256
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) * Y2 = Y2_LSB + Y2_MSB*256
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) #define AUO_PIXCIR_REG_X1_LSB 0x00
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) #define AUO_PIXCIR_REG_X1_MSB 0x01
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) #define AUO_PIXCIR_REG_Y1_LSB 0x02
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) #define AUO_PIXCIR_REG_Y1_MSB 0x03
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) #define AUO_PIXCIR_REG_X2_LSB 0x04
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) #define AUO_PIXCIR_REG_X2_MSB 0x05
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) #define AUO_PIXCIR_REG_Y2_LSB 0x06
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) #define AUO_PIXCIR_REG_Y2_MSB 0x07
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) #define AUO_PIXCIR_REG_STRENGTH 0x0d
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) #define AUO_PIXCIR_REG_STRENGTH_X1_LSB 0x0e
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) #define AUO_PIXCIR_REG_STRENGTH_X1_MSB 0x0f
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) #define AUO_PIXCIR_REG_RAW_DATA_X 0x2b
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) #define AUO_PIXCIR_REG_RAW_DATA_Y 0x4f
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) #define AUO_PIXCIR_REG_X_SENSITIVITY 0x6f
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) #define AUO_PIXCIR_REG_Y_SENSITIVITY 0x70
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) #define AUO_PIXCIR_REG_INT_SETTING 0x71
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) #define AUO_PIXCIR_REG_INT_WIDTH 0x72
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) #define AUO_PIXCIR_REG_POWER_MODE 0x73
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) #define AUO_PIXCIR_REG_VERSION 0x77
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) #define AUO_PIXCIR_REG_CALIBRATE 0x78
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) #define AUO_PIXCIR_REG_TOUCHAREA_X1 0x1e
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) #define AUO_PIXCIR_REG_TOUCHAREA_Y1 0x1f
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) #define AUO_PIXCIR_REG_TOUCHAREA_X2 0x20
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) #define AUO_PIXCIR_REG_TOUCHAREA_Y2 0x21
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) #define AUO_PIXCIR_REG_EEPROM_CALIB_X 0x42
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) #define AUO_PIXCIR_REG_EEPROM_CALIB_Y 0xad
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) #define AUO_PIXCIR_INT_TPNUM_MASK 0xe0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) #define AUO_PIXCIR_INT_TPNUM_SHIFT 5
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) #define AUO_PIXCIR_INT_RELEASE (1 << 4)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) #define AUO_PIXCIR_INT_ENABLE (1 << 3)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) #define AUO_PIXCIR_INT_POL_HIGH (1 << 2)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) #define AUO_PIXCIR_INT_MODE_MASK 0x03
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) * Power modes:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) * active: scan speed 60Hz
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) * sleep: scan speed 10Hz can be auto-activated, wakeup on 1st touch
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) * deep sleep: scan speed 1Hz can only be entered or left manually.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) #define AUO_PIXCIR_POWER_ACTIVE 0x00
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) #define AUO_PIXCIR_POWER_SLEEP 0x01
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82) #define AUO_PIXCIR_POWER_DEEP_SLEEP 0x02
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) #define AUO_PIXCIR_POWER_MASK 0x03
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85) #define AUO_PIXCIR_POWER_ALLOW_SLEEP (1 << 2)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86) #define AUO_PIXCIR_POWER_IDLE_TIME(ms) ((ms & 0xf) << 4)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88) #define AUO_PIXCIR_CALIBRATE 0x03
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90) #define AUO_PIXCIR_EEPROM_CALIB_X_LEN 62
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91) #define AUO_PIXCIR_EEPROM_CALIB_Y_LEN 36
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93) #define AUO_PIXCIR_RAW_DATA_X_LEN 18
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94) #define AUO_PIXCIR_RAW_DATA_Y_LEN 11
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96) #define AUO_PIXCIR_STRENGTH_ENABLE (1 << 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98) /* Touchscreen absolute values */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99) #define AUO_PIXCIR_REPORT_POINTS 2
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) #define AUO_PIXCIR_MAX_AREA 0xff
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) #define AUO_PIXCIR_PENUP_TIMEOUT_MS 10
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) struct auo_pixcir_ts {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) struct i2c_client *client;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) struct input_dev *input;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) const struct auo_pixcir_ts_platdata *pdata;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) char phys[32];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) /* special handling for touch_indicate interupt mode */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) bool touch_ind_mode;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) wait_queue_head_t wait;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) bool stopped;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) struct auo_point_t {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) int coord_x;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) int coord_y;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) int area_major;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) int area_minor;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) int orientation;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) static int auo_pixcir_collect_data(struct auo_pixcir_ts *ts,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) struct auo_point_t *point)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) struct i2c_client *client = ts->client;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) const struct auo_pixcir_ts_platdata *pdata = ts->pdata;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) uint8_t raw_coord[8];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) uint8_t raw_area[4];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) int i, ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) /* touch coordinates */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) ret = i2c_smbus_read_i2c_block_data(client, AUO_PIXCIR_REG_X1_LSB,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) 8, raw_coord);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) if (ret < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) dev_err(&client->dev, "failed to read coordinate, %d\n", ret);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) /* touch area */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) ret = i2c_smbus_read_i2c_block_data(client, AUO_PIXCIR_REG_TOUCHAREA_X1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) 4, raw_area);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) if (ret < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) dev_err(&client->dev, "could not read touch area, %d\n", ret);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) for (i = 0; i < AUO_PIXCIR_REPORT_POINTS; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) point[i].coord_x =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) raw_coord[4 * i + 1] << 8 | raw_coord[4 * i];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) point[i].coord_y =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) raw_coord[4 * i + 3] << 8 | raw_coord[4 * i + 2];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) if (point[i].coord_x > pdata->x_max ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) point[i].coord_y > pdata->y_max) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) dev_warn(&client->dev, "coordinates (%d,%d) invalid\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) point[i].coord_x, point[i].coord_y);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) point[i].coord_x = point[i].coord_y = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) /* determine touch major, minor and orientation */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) point[i].area_major = max(raw_area[2 * i], raw_area[2 * i + 1]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) point[i].area_minor = min(raw_area[2 * i], raw_area[2 * i + 1]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) point[i].orientation = raw_area[2 * i] > raw_area[2 * i + 1];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) static irqreturn_t auo_pixcir_interrupt(int irq, void *dev_id)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) struct auo_pixcir_ts *ts = dev_id;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) const struct auo_pixcir_ts_platdata *pdata = ts->pdata;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) struct auo_point_t point[AUO_PIXCIR_REPORT_POINTS];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178) int fingers = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) int abs = -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181) while (!ts->stopped) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) /* check for up event in touch touch_ind_mode */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) if (ts->touch_ind_mode) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) if (gpio_get_value(pdata->gpio_int) == 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) input_mt_sync(ts->input);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187) input_report_key(ts->input, BTN_TOUCH, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) input_sync(ts->input);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) ret = auo_pixcir_collect_data(ts, point);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) if (ret < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195) /* we want to loop only in touch_ind_mode */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196) if (!ts->touch_ind_mode)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199) wait_event_timeout(ts->wait, ts->stopped,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200) msecs_to_jiffies(AUO_PIXCIR_PENUP_TIMEOUT_MS));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201) continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) for (i = 0; i < AUO_PIXCIR_REPORT_POINTS; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205) if (point[i].coord_x > 0 || point[i].coord_y > 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206) input_report_abs(ts->input, ABS_MT_POSITION_X,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207) point[i].coord_x);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208) input_report_abs(ts->input, ABS_MT_POSITION_Y,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) point[i].coord_y);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) input_report_abs(ts->input, ABS_MT_TOUCH_MAJOR,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211) point[i].area_major);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) input_report_abs(ts->input, ABS_MT_TOUCH_MINOR,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213) point[i].area_minor);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214) input_report_abs(ts->input, ABS_MT_ORIENTATION,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215) point[i].orientation);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216) input_mt_sync(ts->input);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218) /* use first finger as source for singletouch */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219) if (fingers == 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220) abs = i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222) /* number of touch points could also be queried
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223) * via i2c but would require an additional call
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225) fingers++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229) input_report_key(ts->input, BTN_TOUCH, fingers > 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231) if (abs > -1) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232) input_report_abs(ts->input, ABS_X, point[abs].coord_x);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 233) input_report_abs(ts->input, ABS_Y, point[abs].coord_y);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 234) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 235)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 236) input_sync(ts->input);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 237)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 238) /* we want to loop only in touch_ind_mode */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 239) if (!ts->touch_ind_mode)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 240) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 241)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 242) wait_event_timeout(ts->wait, ts->stopped,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 243) msecs_to_jiffies(AUO_PIXCIR_PENUP_TIMEOUT_MS));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 244) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 245)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 246) return IRQ_HANDLED;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 247) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 248)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 249) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 250) * Set the power mode of the device.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 251) * Valid modes are
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 252) * - AUO_PIXCIR_POWER_ACTIVE
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 253) * - AUO_PIXCIR_POWER_SLEEP - automatically left on first touch
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 254) * - AUO_PIXCIR_POWER_DEEP_SLEEP
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 255) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 256) static int auo_pixcir_power_mode(struct auo_pixcir_ts *ts, int mode)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 257) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 258) struct i2c_client *client = ts->client;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 259) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 260)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 261) ret = i2c_smbus_read_byte_data(client, AUO_PIXCIR_REG_POWER_MODE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 262) if (ret < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 263) dev_err(&client->dev, "unable to read reg %Xh, %d\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 264) AUO_PIXCIR_REG_POWER_MODE, ret);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 265) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 266) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 267)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 268) ret &= ~AUO_PIXCIR_POWER_MASK;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 269) ret |= mode;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 270)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 271) ret = i2c_smbus_write_byte_data(client, AUO_PIXCIR_REG_POWER_MODE, ret);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 272) if (ret) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 273) dev_err(&client->dev, "unable to write reg %Xh, %d\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 274) AUO_PIXCIR_REG_POWER_MODE, ret);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 275) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 276) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 277)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 278) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 279) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 280)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 281) static int auo_pixcir_int_config(struct auo_pixcir_ts *ts,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 282) int int_setting)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 283) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 284) struct i2c_client *client = ts->client;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 285) const struct auo_pixcir_ts_platdata *pdata = ts->pdata;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 286) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 287)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 288) ret = i2c_smbus_read_byte_data(client, AUO_PIXCIR_REG_INT_SETTING);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 289) if (ret < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 290) dev_err(&client->dev, "unable to read reg %Xh, %d\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 291) AUO_PIXCIR_REG_INT_SETTING, ret);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 292) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 293) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 294)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 295) ret &= ~AUO_PIXCIR_INT_MODE_MASK;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 296) ret |= int_setting;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 297) ret |= AUO_PIXCIR_INT_POL_HIGH; /* always use high for interrupts */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 298)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 299) ret = i2c_smbus_write_byte_data(client, AUO_PIXCIR_REG_INT_SETTING,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 300) ret);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 301) if (ret < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 302) dev_err(&client->dev, "unable to write reg %Xh, %d\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 303) AUO_PIXCIR_REG_INT_SETTING, ret);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 304) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 305) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 306)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 307) ts->touch_ind_mode = pdata->int_setting == AUO_PIXCIR_INT_TOUCH_IND;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 308)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 309) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 310) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 311)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 312) /* control the generation of interrupts on the device side */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 313) static int auo_pixcir_int_toggle(struct auo_pixcir_ts *ts, bool enable)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 314) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 315) struct i2c_client *client = ts->client;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 316) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 317)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 318) ret = i2c_smbus_read_byte_data(client, AUO_PIXCIR_REG_INT_SETTING);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 319) if (ret < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 320) dev_err(&client->dev, "unable to read reg %Xh, %d\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 321) AUO_PIXCIR_REG_INT_SETTING, ret);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 322) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 323) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 324)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 325) if (enable)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 326) ret |= AUO_PIXCIR_INT_ENABLE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 327) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 328) ret &= ~AUO_PIXCIR_INT_ENABLE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 329)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 330) ret = i2c_smbus_write_byte_data(client, AUO_PIXCIR_REG_INT_SETTING,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 331) ret);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 332) if (ret < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 333) dev_err(&client->dev, "unable to write reg %Xh, %d\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 334) AUO_PIXCIR_REG_INT_SETTING, ret);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 335) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 336) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 337)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 338) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 339) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 340)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 341) static int auo_pixcir_start(struct auo_pixcir_ts *ts)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 342) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 343) struct i2c_client *client = ts->client;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 344) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 345)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 346) ret = auo_pixcir_power_mode(ts, AUO_PIXCIR_POWER_ACTIVE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 347) if (ret < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 348) dev_err(&client->dev, "could not set power mode, %d\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 349) ret);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 350) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 351) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 352)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 353) ts->stopped = false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 354) mb();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 355) enable_irq(client->irq);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 356)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 357) ret = auo_pixcir_int_toggle(ts, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 358) if (ret < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 359) dev_err(&client->dev, "could not enable interrupt, %d\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 360) ret);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 361) disable_irq(client->irq);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 362) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 363) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 364)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 365) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 366) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 367)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 368) static int auo_pixcir_stop(struct auo_pixcir_ts *ts)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 369) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 370) struct i2c_client *client = ts->client;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 371) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 372)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 373) ret = auo_pixcir_int_toggle(ts, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 374) if (ret < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 375) dev_err(&client->dev, "could not disable interrupt, %d\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 376) ret);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 377) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 378) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 379)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 380) /* disable receiving of interrupts */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 381) disable_irq(client->irq);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 382) ts->stopped = true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 383) mb();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 384) wake_up(&ts->wait);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 385)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 386) return auo_pixcir_power_mode(ts, AUO_PIXCIR_POWER_DEEP_SLEEP);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 387) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 388)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 389) static int auo_pixcir_input_open(struct input_dev *dev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 390) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 391) struct auo_pixcir_ts *ts = input_get_drvdata(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 392)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 393) return auo_pixcir_start(ts);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 394) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 395)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 396) static void auo_pixcir_input_close(struct input_dev *dev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 397) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 398) struct auo_pixcir_ts *ts = input_get_drvdata(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 399)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 400) auo_pixcir_stop(ts);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 401) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 402)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 403) static int __maybe_unused auo_pixcir_suspend(struct device *dev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 404) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 405) struct i2c_client *client = to_i2c_client(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 406) struct auo_pixcir_ts *ts = i2c_get_clientdata(client);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 407) struct input_dev *input = ts->input;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 408) int ret = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 409)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 410) mutex_lock(&input->mutex);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 411)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 412) /* when configured as wakeup source, device should always wake system
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 413) * therefore start device if necessary
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 414) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 415) if (device_may_wakeup(&client->dev)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 416) /* need to start device if not open, to be wakeup source */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 417) if (!input->users) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 418) ret = auo_pixcir_start(ts);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 419) if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 420) goto unlock;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 421) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 422)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 423) enable_irq_wake(client->irq);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 424) ret = auo_pixcir_power_mode(ts, AUO_PIXCIR_POWER_SLEEP);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 425) } else if (input->users) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 426) ret = auo_pixcir_stop(ts);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 427) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 428)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 429) unlock:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 430) mutex_unlock(&input->mutex);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 431)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 432) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 433) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 434)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 435) static int __maybe_unused auo_pixcir_resume(struct device *dev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 436) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 437) struct i2c_client *client = to_i2c_client(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 438) struct auo_pixcir_ts *ts = i2c_get_clientdata(client);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 439) struct input_dev *input = ts->input;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 440) int ret = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 441)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 442) mutex_lock(&input->mutex);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 443)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 444) if (device_may_wakeup(&client->dev)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 445) disable_irq_wake(client->irq);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 446)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 447) /* need to stop device if it was not open on suspend */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 448) if (!input->users) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 449) ret = auo_pixcir_stop(ts);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 450) if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 451) goto unlock;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 452) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 453)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 454) /* device wakes automatically from SLEEP */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 455) } else if (input->users) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 456) ret = auo_pixcir_start(ts);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 457) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 458)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 459) unlock:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 460) mutex_unlock(&input->mutex);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 461)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 462) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 463) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 464)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 465) static SIMPLE_DEV_PM_OPS(auo_pixcir_pm_ops,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 466) auo_pixcir_suspend, auo_pixcir_resume);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 467)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 468) #ifdef CONFIG_OF
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 469) static struct auo_pixcir_ts_platdata *auo_pixcir_parse_dt(struct device *dev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 470) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 471) struct auo_pixcir_ts_platdata *pdata;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 472) struct device_node *np = dev->of_node;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 473)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 474) if (!np)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 475) return ERR_PTR(-ENOENT);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 476)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 477) pdata = devm_kzalloc(dev, sizeof(*pdata), GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 478) if (!pdata)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 479) return ERR_PTR(-ENOMEM);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 480)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 481) pdata->gpio_int = of_get_gpio(np, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 482) if (!gpio_is_valid(pdata->gpio_int)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 483) dev_err(dev, "failed to get interrupt gpio\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 484) return ERR_PTR(-EINVAL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 485) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 486)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 487) pdata->gpio_rst = of_get_gpio(np, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 488) if (!gpio_is_valid(pdata->gpio_rst)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 489) dev_err(dev, "failed to get reset gpio\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 490) return ERR_PTR(-EINVAL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 491) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 492)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 493) if (of_property_read_u32(np, "x-size", &pdata->x_max)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 494) dev_err(dev, "failed to get x-size property\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 495) return ERR_PTR(-EINVAL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 496) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 497)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 498) if (of_property_read_u32(np, "y-size", &pdata->y_max)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 499) dev_err(dev, "failed to get y-size property\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 500) return ERR_PTR(-EINVAL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 501) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 502)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 503) /* default to asserting the interrupt when the screen is touched */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 504) pdata->int_setting = AUO_PIXCIR_INT_TOUCH_IND;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 505)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 506) return pdata;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 507) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 508) #else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 509) static struct auo_pixcir_ts_platdata *auo_pixcir_parse_dt(struct device *dev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 510) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 511) return ERR_PTR(-EINVAL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 512) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 513) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 514)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 515) static void auo_pixcir_reset(void *data)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 516) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 517) struct auo_pixcir_ts *ts = data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 518)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 519) gpio_set_value(ts->pdata->gpio_rst, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 520) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 521)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 522) static int auo_pixcir_probe(struct i2c_client *client,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 523) const struct i2c_device_id *id)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 524) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 525) const struct auo_pixcir_ts_platdata *pdata;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 526) struct auo_pixcir_ts *ts;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 527) struct input_dev *input_dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 528) int version;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 529) int error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 530)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 531) pdata = dev_get_platdata(&client->dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 532) if (!pdata) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 533) pdata = auo_pixcir_parse_dt(&client->dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 534) if (IS_ERR(pdata))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 535) return PTR_ERR(pdata);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 536) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 537)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 538) ts = devm_kzalloc(&client->dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 539) sizeof(struct auo_pixcir_ts), GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 540) if (!ts)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 541) return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 542)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 543) input_dev = devm_input_allocate_device(&client->dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 544) if (!input_dev) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 545) dev_err(&client->dev, "could not allocate input device\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 546) return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 547) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 548)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 549) ts->pdata = pdata;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 550) ts->client = client;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 551) ts->input = input_dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 552) ts->touch_ind_mode = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 553) ts->stopped = true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 554) init_waitqueue_head(&ts->wait);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 555)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 556) snprintf(ts->phys, sizeof(ts->phys),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 557) "%s/input0", dev_name(&client->dev));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 558)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 559) input_dev->name = "AUO-Pixcir touchscreen";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 560) input_dev->phys = ts->phys;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 561) input_dev->id.bustype = BUS_I2C;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 562)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 563) input_dev->open = auo_pixcir_input_open;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 564) input_dev->close = auo_pixcir_input_close;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 565)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 566) __set_bit(EV_ABS, input_dev->evbit);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 567) __set_bit(EV_KEY, input_dev->evbit);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 568)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 569) __set_bit(BTN_TOUCH, input_dev->keybit);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 570)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 571) /* For single touch */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 572) input_set_abs_params(input_dev, ABS_X, 0, pdata->x_max, 0, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 573) input_set_abs_params(input_dev, ABS_Y, 0, pdata->y_max, 0, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 574)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 575) /* For multi touch */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 576) input_set_abs_params(input_dev, ABS_MT_POSITION_X, 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 577) pdata->x_max, 0, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 578) input_set_abs_params(input_dev, ABS_MT_POSITION_Y, 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 579) pdata->y_max, 0, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 580) input_set_abs_params(input_dev, ABS_MT_TOUCH_MAJOR, 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 581) AUO_PIXCIR_MAX_AREA, 0, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 582) input_set_abs_params(input_dev, ABS_MT_TOUCH_MINOR, 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 583) AUO_PIXCIR_MAX_AREA, 0, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 584) input_set_abs_params(input_dev, ABS_MT_ORIENTATION, 0, 1, 0, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 585)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 586) input_set_drvdata(ts->input, ts);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 587)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 588) error = devm_gpio_request_one(&client->dev, pdata->gpio_int,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 589) GPIOF_DIR_IN, "auo_pixcir_ts_int");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 590) if (error) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 591) dev_err(&client->dev, "request of gpio %d failed, %d\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 592) pdata->gpio_int, error);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 593) return error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 594) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 595)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 596) error = devm_gpio_request_one(&client->dev, pdata->gpio_rst,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 597) GPIOF_DIR_OUT | GPIOF_INIT_HIGH,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 598) "auo_pixcir_ts_rst");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 599) if (error) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 600) dev_err(&client->dev, "request of gpio %d failed, %d\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 601) pdata->gpio_rst, error);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 602) return error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 603) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 604)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 605) error = devm_add_action_or_reset(&client->dev, auo_pixcir_reset, ts);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 606) if (error) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 607) dev_err(&client->dev, "failed to register reset action, %d\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 608) error);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 609) return error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 610) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 611)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 612) msleep(200);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 613)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 614) version = i2c_smbus_read_byte_data(client, AUO_PIXCIR_REG_VERSION);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 615) if (version < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 616) error = version;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 617) return error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 618) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 619)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 620) dev_info(&client->dev, "firmware version 0x%X\n", version);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 621)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 622) error = auo_pixcir_int_config(ts, pdata->int_setting);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 623) if (error)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 624) return error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 625)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 626) error = devm_request_threaded_irq(&client->dev, client->irq,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 627) NULL, auo_pixcir_interrupt,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 628) IRQF_TRIGGER_RISING | IRQF_ONESHOT,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 629) input_dev->name, ts);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 630) if (error) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 631) dev_err(&client->dev, "irq %d requested failed, %d\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 632) client->irq, error);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 633) return error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 634) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 635)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 636) /* stop device and put it into deep sleep until it is opened */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 637) error = auo_pixcir_stop(ts);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 638) if (error)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 639) return error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 640)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 641) error = input_register_device(input_dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 642) if (error) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 643) dev_err(&client->dev, "could not register input device, %d\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 644) error);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 645) return error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 646) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 647)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 648) i2c_set_clientdata(client, ts);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 649)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 650) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 651) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 652)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 653) static const struct i2c_device_id auo_pixcir_idtable[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 654) { "auo_pixcir_ts", 0 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 655) { }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 656) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 657) MODULE_DEVICE_TABLE(i2c, auo_pixcir_idtable);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 658)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 659) #ifdef CONFIG_OF
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 660) static const struct of_device_id auo_pixcir_ts_dt_idtable[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 661) { .compatible = "auo,auo_pixcir_ts" },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 662) {},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 663) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 664) MODULE_DEVICE_TABLE(of, auo_pixcir_ts_dt_idtable);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 665) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 666)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 667) static struct i2c_driver auo_pixcir_driver = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 668) .driver = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 669) .name = "auo_pixcir_ts",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 670) .pm = &auo_pixcir_pm_ops,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 671) .of_match_table = of_match_ptr(auo_pixcir_ts_dt_idtable),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 672) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 673) .probe = auo_pixcir_probe,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 674) .id_table = auo_pixcir_idtable,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 675) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 676)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 677) module_i2c_driver(auo_pixcir_driver);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 678)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 679) MODULE_DESCRIPTION("AUO-PIXCIR touchscreen driver");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 680) MODULE_LICENSE("GPL v2");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 681) MODULE_AUTHOR("Heiko Stuebner <heiko@sntech.de>");
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
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