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