linux/sound/soc/codecs/wm0010.c

// SPDX-License-Identifier: GPL-2.0-only
/*
 * wm0010.c  --  WM0010 DSP Driver
 *
 * Copyright 2012 Wolfson Microelectronics PLC.
 *
 * Authors: Mark Brown <[email protected]>
 *          Dimitris Papastamos <[email protected]>
 *          Scott Ling <[email protected]>
 */

#include <linux/module.h>
#include <linux/moduleparam.h>
#include <linux/interrupt.h>
#include <linux/irqreturn.h>
#include <linux/init.h>
#include <linux/spi/spi.h>
#include <linux/firmware.h>
#include <linux/delay.h>
#include <linux/fs.h>
#include <linux/gpio/consumer.h>
#include <linux/regulator/consumer.h>
#include <linux/mutex.h>
#include <linux/workqueue.h>

#include <sound/soc.h>
#include <sound/wm0010.h>

#define DEVICE_ID_WM0010 …

/* We only support v1 of the .dfw INFO record */
#define INFO_VERSION …

enum dfw_cmd { … };

struct dfw_binrec { … } __packed;

struct dfw_inforec { … };

struct dfw_pllrec { … } __packed;

static struct pll_clock_map { … } pll_clock_map[] = …;

enum wm0010_state { … };

struct wm0010_priv { … };

static const struct snd_soc_dapm_widget wm0010_dapm_widgets[] = …;

static const struct snd_soc_dapm_route wm0010_dapm_routes[] = …;

static const char *wm0010_state_to_str(enum wm0010_state state)
{ … }

/* Called with wm0010->lock held */
static void wm0010_halt(struct snd_soc_component *component)
{ … }

struct wm0010_boot_xfer { … };

/* Called with wm0010->lock held */
static void wm0010_mark_boot_failure(struct wm0010_priv *wm0010)
{ … }

static void wm0010_boot_xfer_complete(void *data)
{ … }

static void byte_swap_64(u64 *data_in, u64 *data_out, u32 len)
{ … }

static int wm0010_firmware_load(const char *name, struct snd_soc_component *component)
{ … }

static int wm0010_stage2_load(struct snd_soc_component *component)
{ … }

static int wm0010_boot(struct snd_soc_component *component)
{ … }

static int wm0010_set_bias_level(struct snd_soc_component *component,
				 enum snd_soc_bias_level level)
{ … }

static int wm0010_set_sysclk(struct snd_soc_component *component, int source,
			     int clk_id, unsigned int freq, int dir)
{ … }

static int wm0010_probe(struct snd_soc_component *component);

static const struct snd_soc_component_driver soc_component_dev_wm0010 = …;

#define WM0010_RATES …
#define WM0010_FORMATS …

static struct snd_soc_dai_driver wm0010_dai[] = …;

static irqreturn_t wm0010_irq(int irq, void *data)
{ … }

static int wm0010_probe(struct snd_soc_component *component)
{ … }

static int wm0010_spi_probe(struct spi_device *spi)
{ … }

static void wm0010_spi_remove(struct spi_device *spi)
{ … }

static struct spi_driver wm0010_spi_driver = …;

module_spi_driver(…) …;

MODULE_DESCRIPTION(…) …;
MODULE_AUTHOR(…) …;
MODULE_LICENSE(…) …;

MODULE_FIRMWARE(…) …;
MODULE_FIRMWARE(…) …;