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/* SPDX-License-Identifier: GPL-2.0 */
/* Himax Android Driver Sample Code for QCT platform
*
* Copyright (C) 2019 Himax Corporation.
*
* This software is licensed under the terms of the GNU General Public
* License version 2, as published by the Free Software Foundation, and
* may be copied, distributed, and modified under those terms.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
#ifndef HIMAX_PLATFORM_H
#define HIMAX_PLATFORM_H
#include <linux/delay.h>
#include <linux/fs.h>
#include <linux/gpio.h>
#include <linux/types.h>
#include <linux/spi/spi.h>
#include <linux/interrupt.h>
#if defined(CONFIG_HMX_DB)
#include <linux/regulator/consumer.h>
#endif
#define HIMAX_SPI_FIFO_POLLING
#define HIMAX_BUS_RETRY_TIMES 3
#if defined(CONFIG_TOUCHSCREEN_HIMAX_DEBUG)
#define D(x...) pr_debug("[HXTP] " x)
#define I(x...) pr_info("[HXTP] " x)
#define W(x...) pr_warn("[HXTP][WARNING] " x)
#define E(x...) pr_err("[HXTP][ERROR] " x)
#define DIF(x...) \
do { \
if (debug_flag) \
pr_debug("[HXTP][DEBUG] " x) \
} while (0)
#else
#define D(x...)
#define I(x...)
#define W(x...)
#define E(x...)
#define DIF(x...)
#endif
#if defined(CONFIG_HMX_DB)
/* Analog voltage @2.7 V */
#define HX_VTG_MIN_UV 2700000
#define HX_VTG_MAX_UV 3300000
#define HX_ACTIVE_LOAD_UA 15000
#define HX_LPM_LOAD_UA 10
/* Digital voltage @1.8 V */
#define HX_VTG_DIG_MIN_UV 1800000
#define HX_VTG_DIG_MAX_UV 1800000
#define HX_ACTIVE_LOAD_DIG_UA 10000
#define HX_LPM_LOAD_DIG_UA 10
#define HX_I2C_VTG_MIN_UV 1800000
#define HX_I2C_VTG_MAX_UV 1800000
#define HX_I2C_LOAD_UA 10000
#define HX_I2C_LPM_LOAD_UA 10
#endif
#define HIMAX_common_NAME "himax_tp"
#define HIMAX_I2C_ADDR 0x48
#define INPUT_DEV_NAME "himax-touchscreen"
struct himax_platform_data {
int abs_x_min;
int abs_x_max;
int abs_x_fuzz;
int abs_y_min;
int abs_y_max;
int abs_y_fuzz;
int abs_pressure_min;
int abs_pressure_max;
int abs_pressure_fuzz;
int abs_width_min;
int abs_width_max;
int screenWidth;
int screenHeight;
uint8_t fw_version;
uint8_t tw_id;
uint8_t powerOff3V3;
uint8_t cable_config[2];
uint8_t protocol_type;
int gpio_irq;
int gpio_reset;
int gpio_3v3_en;
int gpio_pon;
int lcm_rst;
int (*power)(int on);
void (*reset)(void);
struct himax_virtual_key *virtual_key;
struct kobject *vk_obj;
struct kobj_attribute *vk2Use;
int hx_config_size;
struct pinctrl *pinctrl;
#if defined(CONFIG_HMX_DB)
bool i2c_pull_up;
bool digital_pwr_regulator;
int reset_gpio;
u32 reset_gpio_flags;
int irq_gpio;
u32 irq_gpio_flags;
struct regulator *vcc_ana; /* For Dragon Board */
struct regulator *vcc_dig; /* For Dragon Board */
struct regulator *vcc_i2c; /* For Dragon Board */
#endif
};
extern struct himax_ic_data *ic_data;
extern struct himax_ts_data *private_ts;
int himax_chip_common_init(void);
void himax_chip_common_deinit(void);
void himax_ts_work(struct himax_ts_data *ts);
enum hrtimer_restart himax_ts_timer_func(struct hrtimer *timer);
extern int himax_bus_read(uint8_t command, uint8_t *data, uint32_t length);
extern int himax_bus_write(uint8_t command, uint8_t *data, uint32_t length);
extern void himax_int_enable(int enable);
extern int himax_ts_register_interrupt(void);
int himax_ts_unregister_interrupt(void);
extern uint8_t himax_int_gpio_read(int pinnum);
extern int himax_gpio_power_config(struct himax_platform_data *pdata);
void himax_gpio_power_deconfig(struct himax_platform_data *pdata);
#if defined(HX_CONFIG_FB)
extern int fb_notifier_callback(struct notifier_block *self,
unsigned long event, void *data);
#elif defined(HX_CONFIG_DRM)
extern int drm_notifier_callback(struct notifier_block *self,
unsigned long event, void *data);
#endif
#endif
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