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linux-next/include/linux/mfd/madera/core.h
Richard Fitzgerald 7f9472134a mfd: madera: Add shared data for accessory detection
Add variables to struct madera that will be shared by the
extcon and audio codec drivers to synchronize output state
during accessory detection. Also add a mutex to protect
the DAPM pointer.

Signed-off-by: Richard Fitzgerald <rf@opensource.cirrus.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2019-01-03 08:32:42 +00:00

197 lines
6.3 KiB
C

// SPDX-License-Identifier: GPL-2.0
/*
* MFD internals for Cirrus Logic Madera codecs
*
* Copyright (C) 2015-2018 Cirrus Logic
*
* 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; version 2.
*/
#ifndef MADERA_CORE_H
#define MADERA_CORE_H
#include <linux/gpio/consumer.h>
#include <linux/interrupt.h>
#include <linux/mfd/madera/pdata.h>
#include <linux/mutex.h>
#include <linux/notifier.h>
#include <linux/regmap.h>
#include <linux/regulator/consumer.h>
enum madera_type {
/* 0 is reserved for indicating failure to identify */
CS47L35 = 1,
CS47L85 = 2,
CS47L90 = 3,
CS47L91 = 4,
WM1840 = 7,
};
#define MADERA_MAX_CORE_SUPPLIES 2
#define MADERA_MAX_GPIOS 40
#define CS47L35_NUM_GPIOS 16
#define CS47L85_NUM_GPIOS 40
#define CS47L90_NUM_GPIOS 38
#define MADERA_MAX_MICBIAS 4
#define MADERA_MAX_HP_OUTPUT 3
/* Notifier events */
#define MADERA_NOTIFY_VOICE_TRIGGER 0x1
#define MADERA_NOTIFY_HPDET 0x2
#define MADERA_NOTIFY_MICDET 0x4
/* GPIO Function Definitions */
#define MADERA_GP_FN_ALTERNATE 0x00
#define MADERA_GP_FN_GPIO 0x01
#define MADERA_GP_FN_DSP_GPIO 0x02
#define MADERA_GP_FN_IRQ1 0x03
#define MADERA_GP_FN_IRQ2 0x04
#define MADERA_GP_FN_FLL1_CLOCK 0x10
#define MADERA_GP_FN_FLL2_CLOCK 0x11
#define MADERA_GP_FN_FLL3_CLOCK 0x12
#define MADERA_GP_FN_FLLAO_CLOCK 0x13
#define MADERA_GP_FN_FLL1_LOCK 0x18
#define MADERA_GP_FN_FLL2_LOCK 0x19
#define MADERA_GP_FN_FLL3_LOCK 0x1A
#define MADERA_GP_FN_FLLAO_LOCK 0x1B
#define MADERA_GP_FN_OPCLK_OUT 0x40
#define MADERA_GP_FN_OPCLK_ASYNC_OUT 0x41
#define MADERA_GP_FN_PWM1 0x48
#define MADERA_GP_FN_PWM2 0x49
#define MADERA_GP_FN_SPDIF_OUT 0x4C
#define MADERA_GP_FN_HEADPHONE_DET 0x50
#define MADERA_GP_FN_MIC_DET 0x58
#define MADERA_GP_FN_DRC1_SIGNAL_DETECT 0x80
#define MADERA_GP_FN_DRC2_SIGNAL_DETECT 0x81
#define MADERA_GP_FN_ASRC1_IN1_LOCK 0x88
#define MADERA_GP_FN_ASRC1_IN2_LOCK 0x89
#define MADERA_GP_FN_ASRC2_IN1_LOCK 0x8A
#define MADERA_GP_FN_ASRC2_IN2_LOCK 0x8B
#define MADERA_GP_FN_DSP_IRQ1 0xA0
#define MADERA_GP_FN_DSP_IRQ2 0xA1
#define MADERA_GP_FN_DSP_IRQ3 0xA2
#define MADERA_GP_FN_DSP_IRQ4 0xA3
#define MADERA_GP_FN_DSP_IRQ5 0xA4
#define MADERA_GP_FN_DSP_IRQ6 0xA5
#define MADERA_GP_FN_DSP_IRQ7 0xA6
#define MADERA_GP_FN_DSP_IRQ8 0xA7
#define MADERA_GP_FN_DSP_IRQ9 0xA8
#define MADERA_GP_FN_DSP_IRQ10 0xA9
#define MADERA_GP_FN_DSP_IRQ11 0xAA
#define MADERA_GP_FN_DSP_IRQ12 0xAB
#define MADERA_GP_FN_DSP_IRQ13 0xAC
#define MADERA_GP_FN_DSP_IRQ14 0xAD
#define MADERA_GP_FN_DSP_IRQ15 0xAE
#define MADERA_GP_FN_DSP_IRQ16 0xAF
#define MADERA_GP_FN_HPOUT1L_SC 0xB0
#define MADERA_GP_FN_HPOUT1R_SC 0xB1
#define MADERA_GP_FN_HPOUT2L_SC 0xB2
#define MADERA_GP_FN_HPOUT2R_SC 0xB3
#define MADERA_GP_FN_HPOUT3L_SC 0xB4
#define MADERA_GP_FN_HPOUT4R_SC 0xB5
#define MADERA_GP_FN_SPKOUTL_SC 0xB6
#define MADERA_GP_FN_SPKOUTR_SC 0xB7
#define MADERA_GP_FN_HPOUT1L_ENA 0xC0
#define MADERA_GP_FN_HPOUT1R_ENA 0xC1
#define MADERA_GP_FN_HPOUT2L_ENA 0xC2
#define MADERA_GP_FN_HPOUT2R_ENA 0xC3
#define MADERA_GP_FN_HPOUT3L_ENA 0xC4
#define MADERA_GP_FN_HPOUT4R_ENA 0xC5
#define MADERA_GP_FN_SPKOUTL_ENA 0xC6
#define MADERA_GP_FN_SPKOUTR_ENA 0xC7
#define MADERA_GP_FN_HPOUT1L_DIS 0xD0
#define MADERA_GP_FN_HPOUT1R_DIS 0xD1
#define MADERA_GP_FN_HPOUT2L_DIS 0xD2
#define MADERA_GP_FN_HPOUT2R_DIS 0xD3
#define MADERA_GP_FN_HPOUT3L_DIS 0xD4
#define MADERA_GP_FN_HPOUT4R_DIS 0xD5
#define MADERA_GP_FN_SPKOUTL_DIS 0xD6
#define MADERA_GP_FN_SPKOUTR_DIS 0xD7
#define MADERA_GP_FN_SPK_SHUTDOWN 0xE0
#define MADERA_GP_FN_SPK_OVH_SHUTDOWN 0xE1
#define MADERA_GP_FN_SPK_OVH_WARN 0xE2
#define MADERA_GP_FN_TIMER1_STATUS 0x140
#define MADERA_GP_FN_TIMER2_STATUS 0x141
#define MADERA_GP_FN_TIMER3_STATUS 0x142
#define MADERA_GP_FN_TIMER4_STATUS 0x143
#define MADERA_GP_FN_TIMER5_STATUS 0x144
#define MADERA_GP_FN_TIMER6_STATUS 0x145
#define MADERA_GP_FN_TIMER7_STATUS 0x146
#define MADERA_GP_FN_TIMER8_STATUS 0x147
#define MADERA_GP_FN_EVENTLOG1_FIFO_STS 0x150
#define MADERA_GP_FN_EVENTLOG2_FIFO_STS 0x151
#define MADERA_GP_FN_EVENTLOG3_FIFO_STS 0x152
#define MADERA_GP_FN_EVENTLOG4_FIFO_STS 0x153
#define MADERA_GP_FN_EVENTLOG5_FIFO_STS 0x154
#define MADERA_GP_FN_EVENTLOG6_FIFO_STS 0x155
#define MADERA_GP_FN_EVENTLOG7_FIFO_STS 0x156
#define MADERA_GP_FN_EVENTLOG8_FIFO_STS 0x157
struct snd_soc_dapm_context;
/*
* struct madera - internal data shared by the set of Madera drivers
*
* This should not be used by anything except child drivers of the Madera MFD
*
* @regmap: pointer to the regmap instance for 16-bit registers
* @regmap_32bit: pointer to the regmap instance for 32-bit registers
* @dev: pointer to the MFD device
* @type: type of codec
* @rev: silicon revision
* @type_name: display name of this codec
* @num_core_supplies: number of core supply regulators
* @core_supplies: list of core supplies that are always required
* @dcvdd: pointer to DCVDD regulator
* @internal_dcvdd: true if DCVDD is supplied from the internal LDO1
* @pdata: our pdata
* @irq_dev: the irqchip child driver device
* @irq_data: pointer to irqchip data for the child irqchip driver
* @irq: host irq number from SPI or I2C configuration
* @out_clamp: indicates output clamp state for each analogue output
* @out_shorted: indicates short circuit state for each analogue output
* @hp_ena: bitflags of enable state for the headphone outputs
* @num_micbias: number of MICBIAS outputs
* @num_childbias: number of child biases for each MICBIAS
* @dapm: pointer to codec driver DAPM context
* @notifier: notifier for signalling events to ASoC machine driver
*/
struct madera {
struct regmap *regmap;
struct regmap *regmap_32bit;
struct device *dev;
enum madera_type type;
unsigned int rev;
const char *type_name;
int num_core_supplies;
struct regulator_bulk_data core_supplies[MADERA_MAX_CORE_SUPPLIES];
struct regulator *dcvdd;
bool internal_dcvdd;
struct madera_pdata pdata;
struct device *irq_dev;
struct regmap_irq_chip_data *irq_data;
int irq;
unsigned int num_micbias;
unsigned int num_childbias[MADERA_MAX_MICBIAS];
struct snd_soc_dapm_context *dapm;
struct mutex dapm_ptr_lock;
unsigned int hp_ena;
bool out_clamp[MADERA_MAX_HP_OUTPUT];
bool out_shorted[MADERA_MAX_HP_OUTPUT];
struct blocking_notifier_head notifier;
};
#endif