/*
* cs42l56.c -- CS42L56 ALSA SoC audio driver
*
* Copyright 2014 CirrusLogic, Inc.
*
* Author: Brian Austin <brian.austin@cirrus.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*
*/
#include <linux/module.h>
#include <linux/moduleparam.h>
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/delay.h>
#include <linux/pm.h>
#include <linux/i2c.h>
#include <linux/input.h>
#include <linux/regmap.h>
#include <linux/slab.h>
#include <linux/workqueue.h>
#include <linux/platform_device.h>
#include <linux/regulator/consumer.h>
#include <linux/of_device.h>
#include <linux/of_gpio.h>
#include <sound/core.h>
#include <sound/pcm.h>
#include <sound/pcm_params.h>
#include <sound/soc.h>
#include <sound/soc-dapm.h>
#include <sound/initval.h>
#include <sound/tlv.h>
#include <sound/cs42l56.h>
#include "cs42l56.h"
#define CS42L56_NUM_SUPPLIES 3
static const char *const cs42l56_supply_names[CS42L56_NUM_SUPPLIES] = {
"VA",
"VCP",
"VLDO",
};
struct cs42l56_private {
struct regmap *regmap;
struct snd_soc_codec *codec;
struct device *dev;
struct cs42l56_platform_data pdata;
struct regulator_bulk_data supplies[CS42L56_NUM_SUPPLIES];
u32 mclk;
u8 mclk_prediv;
u8 mclk_div2;
u8 mclk_ratio;
u8 iface;
u8 iface_fmt;
u8 iface_inv;
#if defined(CONFIG_INPUT) || defined(CONFIG_INPUT_MODULE)
struct input_dev *beep;
struct work_struct beep_work;
int beep_rate;
#endif
};
static const struct reg_default cs42l56_reg_defaults[] = {
{ 1, 0x56 }, /* r01 - ID 1 */
{ 2, 0x04 }, /* r02 - ID 2 */
{ 3, 0x7f }, /* r03 - Power Ctl 1 */
{ 4, 0xff }, /* r04 - Power Ctl 2 */
{ 5,