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/*
* drivers/input/sensor/sunxi_gpadc.h
*
* Copyright (C) 2016 Allwinner.
* fuzhaoke <[email protected]>
*
* SUNXI TPADC Controller Driver Header
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*/
#ifndef HAL_TPADC_H
#define HAL_TPADC_H
#include "hal_clk.h"
#include "hal_reset.h"
#include "sunxi_hal_common.h"
#include <hal_log.h>
#include <interrupt.h>
#include <tpadc/platform_tpadc.h>
#include <tpadc/common_tpadc.h>
#ifdef __cplusplus
extern "C" {
#endif
#define TPADC_DEBUG
#ifdef TPADC_DEBUG
#define TPADC_INFO(fmt, arg...) hal_log_info(fmt, ##arg)
#else
#define TPADC_INFO(fmt, arg...) do {}while(0)
#endif
#define TPADC_ERR(fmt, arg...) hal_log_err(fmt, ##arg)
typedef enum
{
TPADC_IRQ_ERROR = -4,
TPADC_CHANNEL_ERROR = -3,
TPADC_CLK_ERROR = -2,
TPADC_ERROR = -1,
TPADC_OK = 0,
} hal_tpadc_status_t;
typedef enum
{
DATA_X = 0,
DATA_Y,
DATA_UP,
} data_flag_t;
typedef enum
{
TP_CH_0 = 0,
TP_CH_1,
TP_CH_2,
TP_CH_3,
TP_CH_MAX,
} tp_channel_id;
typedef int (*tpadc_usercallback_t)(uint32_t data, data_flag_t flag);
typedef int (*tpadc_adc_usercallback_t)(uint32_t data, tp_channel_id channel);
typedef struct hal_tpadc
{
unsigned long reg_base;
uint32_t channel_num;
uint32_t irq_num;
uint32_t rate;
hal_clk_id_t bus_clk_id;
hal_clk_id_t mod_clk_id;
hal_reset_id_t rst_clk_id;
hal_clk_t bus_clk;
hal_clk_t mod_clk;
struct reset_control *rst_clk;
tpadc_usercallback_t callback;
tpadc_adc_usercallback_t adc_callback[TP_CH_MAX];
} hal_tpadc_t;
hal_tpadc_status_t hal_tpadc_init(void);
hal_tpadc_status_t hal_tpadc_exit(void);
hal_tpadc_status_t hal_tpadc_register_callback(tpadc_usercallback_t user_callback);
hal_tpadc_status_t hal_tpadc_adc_init(void);
hal_tpadc_status_t hal_tpadc_adc_channel_init(tp_channel_id channel);
hal_tpadc_status_t hal_tpadc_adc_channel_exit(tp_channel_id channel);
hal_tpadc_status_t hal_tpadc_adc_exit(void);
hal_tpadc_status_t hal_tpadc_adc_register_callback(tp_channel_id channel , tpadc_adc_usercallback_t user_callback);
hal_tpadc_status_t hal_tpadc_resume(void);
hal_tpadc_status_t hal_tpadc_suspend(void);
#ifdef __cplusplus
}
#endif
#endif
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