/*
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* drivers/input/sensor/sunxi_tpadc.h
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*
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* Copyright (C) 2017 Allwinner.
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* fuzhaoke <yangshounan@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 SUNXI_GPADC_H
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#define SUNXI_GPADC_H
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#define TPADC_DEV_NAME ("sunxi-tpadc")
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#define CLK_IN (12000000)
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/* TPADC register offset */
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#define TP_CTRL0_REG 0x00
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#define TP_CTRL1_REG 0x04
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#define TP_CTRL2_REG 0x08
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#define TP_CTRL3_REG 0x0c
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#define TP_INT_FIFOC_REG 0x10
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#define TP_INT_FIFOS_REG 0x14
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#define TP_TPR_REG 0x18
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#define TP_CDAT_REG 0x1c
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#define TP_TEMP_DATA_REG 0x20
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#define TP_DATA_REG 0x24
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#define TP_IO_CONFIG_REG 0x28
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#define TP_PORT_DATA_REG 0x2c
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#define ADC_CLK_DIVIDER 20
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#define FS_DIVIDER 16
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#define TP_CLOCK (1<<22)
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#define ADC_ENABLE (1<<4)
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#define TP_DATA_IRQ_EN (1<<16)
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#define SUNXI_FIFO_DATA (1<<16)
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#define RTP_MODE_ENABLE (1<<5)
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#define RTP_FILTER_ENABLE (1<<2)
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#define RTP_FILTER_TYPE (0x2<<0)
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#define HOSC 1
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#define TP_IO_INPUT_MODE 0xfffff
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#define TP_CH3_SELECT (1 << 3) /* channale 3 select enable, 0:disable, 1:enable */
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#define TP_CH2_SELECT (1 << 2) /* channale 2 select enable, 0:disable, 1:enable */
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#define TP_CH1_SELECT (1 << 1) /* channale 1 select enable, 0:disable, 1:enable */
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#define TP_CH0_SELECT (1 << 0) /* channale 0 select enable, 0:disable, 1:enable */
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enum tp_channel_id {
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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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};
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struct sunxi_tpadc {
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struct platform_device *pdev;
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struct input_dev *input_channel0;
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struct input_dev *input_channel2;
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struct clk *mclk;
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struct clk *pclk;
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void __iomem *reg_base;
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int irq_num;
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struct timer_list timer;
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};
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#endif
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