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/*
* da7219-aad.h - DA7322 ASoC AAD Driver
*
* Copyright (c) 2015 Dialog Semiconductor Ltd.
*
* Author: Adam Thomson <Adam.Thomson.Opensource@diasemi.com>
*
* 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 __DA7219_AAD_H
#define __DA7219_AAD_H
#include <linux/timer.h>
#include <sound/soc.h>
#include <sound/jack.h>
#include <sound/da7219-aad.h>
/*
* Registers
*/
#define DA7219_ACCDET_STATUS_A 0xC0
#define DA7219_ACCDET_STATUS_B 0xC1
#define DA7219_ACCDET_IRQ_EVENT_A 0xC2
#define DA7219_ACCDET_IRQ_EVENT_B 0xC3
#define DA7219_ACCDET_IRQ_MASK_A 0xC4
#define DA7219_ACCDET_IRQ_MASK_B 0xC5
#define DA7219_ACCDET_CONFIG_1 0xC6
#define DA7219_ACCDET_CONFIG_2 0xC7
#define DA7219_ACCDET_CONFIG_3 0xC8
#define DA7219_ACCDET_CONFIG_4 0xC9
#define DA7219_ACCDET_CONFIG_5 0xCA
#define DA7219_ACCDET_CONFIG_6 0xCB
#define DA7219_ACCDET_CONFIG_7 0xCC
#define DA7219_ACCDET_CONFIG_8 0xCD
/*
* Bit Fields
*/
/* DA7219_ACCDET_STATUS_A = 0xC0 */
#define DA7219_JACK_INSERTION_STS_SHIFT 0
#define DA7219_JACK_INSERTION_STS_MASK (0x1 << 0)
#define DA7219_JACK_TYPE_STS_SHIFT 1
#define DA7219_JACK_TYPE_STS_MASK (0x1 << 1)
#define DA7219_JACK_PIN_ORDER_STS_SHIFT 2
#define DA7219_JACK_PIN_ORDER_STS_MASK (0x1 << 2)
#define DA7219_MICBIAS_UP_STS_SHIFT 3
#define DA7219_MICBIAS_UP_STS_MASK (0x1 << 3)
/* DA7219_ACCDET_STATUS_B = 0xC1 */
#define DA7219_BUTTON_TYPE_STS_SHIFT 0
#define DA7219_BUTTON_TYPE_STS_MASK (0xFF << 0)
/* DA7219_ACCDET_IRQ_EVENT_A = 0xC2 */
#define DA7219_E_JACK_INSERTED_SHIFT 0
#define DA7219_E_JACK_INSERTED_MASK (0x1 << 0)
#define DA7219_E_JACK_REMOVED_SHIFT 1
#define DA7219_E_JACK_REMOVED_MASK (0x1 << 1)
#define DA7219_E_JACK_DETECT_COMPLETE_SHIFT 2
#define DA7219_E_JACK_DETECT_COMPLETE_MASK (0x1 << 2)
/* DA7219_ACCDET_IRQ_EVENT_B = 0xC3 */
#define DA7219_E_BUTTON_A_PRESSED_SHIFT 0
#define DA7219_E_BUTTON_A_PRESSED_MASK (0x1 << 0)
#define DA7219_E_BUTTON_B_PRESSED_SHIFT 1
#define DA7219_E_BUTTON_B_PRESSED_MASK (0x1 << 1)
#define DA7219_E_BUTTON_C_PRESSED_SHIFT 2
#define DA7219_E_BUTTON_C_PRESSED_MASK (0x1 << 2)
#define DA7219_E_BUTTON_D_PRESSED_SHIFT 3
#define DA7219_E_BUTTON_D_PRESSED_MASK (0x1 << 3)
#define DA7219_E_BUTTON_D_RELEASED_SHIFT 4
#define DA7219_E_BUTTON_D_RELEASED_MASK (0x1 << 4)
#define DA7219_E_BUTTON_C_RELEASED_SHIFT 5
#define DA7219_E_BUTTON_C_RELEASED_MASK (0x1 << 5)
#define DA7219_E_BUTTON_B_RELEASED_SHIFT 6
#define DA7219_E_BUTTON_B_RELEASED_MASK (0x1 << 6)
#define DA7219_E_BUTTON_A_RELEASED_SHIFT 7
#define DA7219_E_BUTTON_A_RELEASED_MASK (0x1 << 7)
/* DA7219_ACCDET_IRQ_MASK_A = 0xC4 */
#define DA7219_M_JACK_INSERTED_SHIFT 0
#define DA7219_M_JACK_INSERTED_MASK (0x1 << 0)
#define DA7219_M_JACK_REMOVED_SHIFT 1
#define DA7219_M_JACK_REMOVED_MASK (0x1 << 1)
#define DA7219_M_JACK_DETECT_COMPLETE_SHIFT 2
#define DA7219_M_JACK_DETECT_COMPLETE_MASK (0x1 << 2)
/* DA7219_ACCDET_IRQ_MASK_B = 0xC5 */
#define DA7219_M_BUTTON_A_PRESSED_SHIFT 0
#define DA7219_M_BUTTON_A_PRESSED_MASK (0x1 << 0)
#define DA7219_M_BUTTON_B_PRESSED_SHIFT 1
#define DA7219_M_BUTTON_B_PRESSED_MASK (0x1 << 1)
#define DA7219_M_BUTTON_C_PRESSED_SHIFT 2
#define DA7219_M_BUTTON_C_PRESSED_MASK (0x1 << 2)
#define DA7219_M_BUTTON_D_PRESSED_SHIFT 3
#define DA7219_M_BUTTON_D_PRESSED_MASK (0x1 << 3)
#define DA7219_M_BUTTON_D_RELEASED_SHIFT 4
#define DA7219_M_BUTTON_D_RELEASED_MASK (0x1 << 4)
#define DA7219_M_BUTTON_C_RELEASED_SHIFT 5
#define DA7219_M_BUTTON_C_RELEASED_MASK (0x1 << 5)
#define DA7219_M_BUTTON_B_RELEASED_SHIFT 6
#define DA7219_M_BUTTON_B_RELEASED_MASK (0x1 << 6)
#define DA7219_M_BUTTON_A_RELEASED_SHIFT 7
#define DA7219_M_BUTTON_A_RELEASED_MASK (0x1 << 7)
/* DA7219_ACCDET_CONFIG_1 = 0xC6 */
#define DA7219_ACCDET_EN_SHIFT 0
#define DA7219_ACCDET_EN_MASK (0x1 << 0)
#define DA7219_BUTTON_CONFIG_SHIFT 1
#define DA7219_BUTTON_CONFIG_MASK (0x7 << 1)
#define DA7219_MIC_DET_THRESH_SHIFT 4
#define DA7219_MIC_DET_THRESH_MASK (0x3 << 4)
#define DA7219_JACK_TYPE_DET_EN_SHIFT 6
#define DA7219_JACK_TYPE_DET_EN_MASK (0x1 << 6)
#define DA7219_PIN_ORDER_DET_EN_SHIFT 7
#define DA7219_PIN_ORDER_DET_EN_MASK (0x1 << 7)
/* DA7219_ACCDET_CONFIG_2 = 0xC7 */
#define DA7219_ACCDET_PAUSE_SHIFT 0
#define DA7219_ACCDET_PAUSE_MASK (0x1 << 0)
#define DA7219_JACKDET_DEBOUNCE_SHIFT 1
#define DA7219_JACKDET_DEBOUNCE_MASK (0x7 << 1)
#define DA7219_JACK_DETECT_RATE_SHIFT 4
#define DA7219_JACK_DETECT_RATE_MASK (0x3 << 4)
#define DA7219_JACKDET_REM_DEB_SHIFT 6
#define DA7219_JACKDET_REM_DEB_MASK (0x3 << 6)
/* DA7219_ACCDET_CONFIG_3 = 0xC8 */
#define DA7219_A_D_BUTTON_THRESH_SHIFT 0
#define DA7219_A_D_BUTTON_THRESH_MASK (0xFF << 0)
/* DA7219_ACCDET_CONFIG_4 = 0xC9 */
#define DA7219_D_B_BUTTON_THRESH_SHIFT 0
#define DA7219_D_B_BUTTON_THRESH_MASK (0xFF << 0)
/* DA7219_ACCDET_CONFIG_5 = 0xCA */
#define DA7219_B_C_BUTTON_THRESH_SHIFT 0
#define DA7219_B_C_BUTTON_THRESH_MASK (0xFF << 0)
/* DA7219_ACCDET_CONFIG_6 = 0xCB */
#define DA7219_C_MIC_BUTTON_THRESH_SHIFT 0
#define DA7219_C_MIC_BUTTON_THRESH_MASK (0xFF << 0)
/* DA7219_ACCDET_CONFIG_7 = 0xCC */
#define DA7219_BUTTON_AVERAGE_SHIFT 0
#define DA7219_BUTTON_AVERAGE_MASK (0x3 << 0)
#define DA7219_ADC_1_BIT_REPEAT_SHIFT 2
#define DA7219_ADC_1_BIT_REPEAT_MASK (0x3 << 2)
#define DA7219_PIN_ORDER_FORCE_SHIFT 4
#define DA7219_PIN_ORDER_FORCE_MASK (0x1 << 4)
#define DA7219_JACK_TYPE_FORCE_SHIFT 5
#define DA7219_JACK_TYPE_FORCE_MASK (0x1 << 5)
/* DA7219_ACCDET_CONFIG_8 = 0xCD */
#define DA7219_HPTEST_EN_SHIFT 0
#define DA7219_HPTEST_EN_MASK (0x1 << 0)
#define DA7219_HPTEST_RES_SEL_SHIFT 1
#define DA7219_HPTEST_RES_SEL_MASK (0x3 << 1)
#define DA7219_HPTEST_RES_SEL_1KOHMS (0x0 << 1)
#define DA7219_HPTEST_COMP_SHIFT 4
#define DA7219_HPTEST_COMP_MASK (0x1 << 4)
#define DA7219_AAD_MAX_BUTTONS 4
#define DA7219_AAD_REPORT_ALL_MASK (SND_JACK_MECHANICAL | \
SND_JACK_HEADSET | SND_JACK_LINEOUT | \
SND_JACK_BTN_0 | SND_JACK_BTN_1 | \
SND_JACK_BTN_2 | SND_JACK_BTN_3)
#define DA7219_AAD_MICBIAS_CHK_DELAY 10
#define DA7219_AAD_MICBIAS_CHK_RETRIES 5
#define DA7219_AAD_HPTEST_RAMP_FREQ 0x28
#define DA7219_AAD_HPTEST_PERIOD 65
enum da7219_aad_event_regs {
DA7219_AAD_IRQ_REG_A = 0,
DA7219_AAD_IRQ_REG_B,
DA7219_AAD_IRQ_REG_MAX,
};
/* Private data */
struct da7219_aad_priv {
struct snd_soc_codec *codec;
int irq;
u8 micbias_pulse_lvl;
u32 micbias_pulse_time;
u8 btn_cfg;
struct work_struct btn_det_work;
struct work_struct hptest_work;
struct snd_soc_jack *jack;
bool jack_inserted;
};
/* AAD control */
void da7219_aad_jack_det(struct snd_soc_codec *codec, struct snd_soc_jack *jack);
/* Init/Exit */
int da7219_aad_init(struct snd_soc_codec *codec);
void da7219_aad_exit(struct snd_soc_codec *codec);
#endif /* __DA7219_AAD_H */
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