ASoC: rt5514: add rt5514 SPI driver (6eebf35b) · Commits · 戴 / test

sound/soc/codecs/Kconfig

+3 −0

Original line number	Diff line number	Diff line
		@@ -643,6 +643,9 @@ config SND_SOC_RT298
		config SND_SOC_RT5514
		tristate

		config SND_SOC_RT5514_SPI
		tristate

		config SND_SOC_RT5616
		tristate "Realtek RT5616 CODEC"
		depends on I2C

sound/soc/codecs/Makefile

+2 −0

Original line number	Diff line number	Diff line
		@@ -100,6 +100,7 @@ snd-soc-rl6347a-objs := rl6347a.o
		snd-soc-rt286-objs := rt286.o
		snd-soc-rt298-objs := rt298.o
		snd-soc-rt5514-objs := rt5514.o
		snd-soc-rt5514-spi-objs := rt5514-spi.o
		snd-soc-rt5616-objs := rt5616.o
		snd-soc-rt5631-objs := rt5631.o
		snd-soc-rt5640-objs := rt5640.o
		@@ -314,6 +315,7 @@ obj-$(CONFIG_SND_SOC_RL6347A) += snd-soc-rl6347a.o
		obj-$(CONFIG_SND_SOC_RT286) += snd-soc-rt286.o
		obj-$(CONFIG_SND_SOC_RT298) += snd-soc-rt298.o
		obj-$(CONFIG_SND_SOC_RT5514) += snd-soc-rt5514.o
		obj-$(CONFIG_SND_SOC_RT5514_SPI) += snd-soc-rt5514-spi.o
		obj-$(CONFIG_SND_SOC_RT5616) += snd-soc-rt5616.o
		obj-$(CONFIG_SND_SOC_RT5631) += snd-soc-rt5631.o
		obj-$(CONFIG_SND_SOC_RT5640) += snd-soc-rt5640.o

sound/soc/codecs/rt5514-spi.c

0 → 100644

+459 −0

Original line number	Diff line number	Diff line
		/*
		* rt5514-spi.c -- RT5514 SPI driver
		*
		* Copyright 2015 Realtek Semiconductor Corp.
		* Author: Oder Chiou <oder_chiou@realtek.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/input.h>
		#include <linux/spi/spi.h>
		#include <linux/device.h>
		#include <linux/init.h>
		#include <linux/delay.h>
		#include <linux/interrupt.h>
		#include <linux/irq.h>
		#include <linux/slab.h>
		#include <linux/gpio.h>
		#include <linux/sched.h>
		#include <linux/kthread.h>
		#include <linux/uaccess.h>
		#include <linux/miscdevice.h>
		#include <linux/regulator/consumer.h>
		#include <linux/pm_qos.h>
		#include <linux/sysfs.h>
		#include <linux/clk.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 "rt5514-spi.h"

		static struct spi_device *rt5514_spi;

		struct rt5514_dsp {
		struct device *dev;
		struct delayed_work copy_work;
		struct mutex dma_lock;
		struct snd_pcm_substream *substream;
		unsigned int buf_base, buf_limit, buf_rp;
		size_t buf_size;
		size_t dma_offset;
		size_t dsp_offset;
		};

		static const struct snd_pcm_hardware rt5514_spi_pcm_hardware = {
		.info = SNDRV_PCM_INFO_MMAP \|
		SNDRV_PCM_INFO_MMAP_VALID \|
		SNDRV_PCM_INFO_INTERLEAVED,
		.formats = SNDRV_PCM_FMTBIT_S16_LE,
		.period_bytes_min = PAGE_SIZE,
		.period_bytes_max = 0x20000 / 8,
		.periods_min = 8,
		.periods_max = 8,
		.channels_min = 1,
		.channels_max = 1,
		.buffer_bytes_max = 0x20000,
		};

		static struct snd_soc_dai_driver rt5514_spi_dai = {
		.name = "rt5514-dsp-cpu-dai",
		.id = 0,
		.capture = {
		.stream_name = "DSP Capture",
		.channels_min = 1,
		.channels_max = 1,
		.rates = SNDRV_PCM_RATE_16000,
		.formats = SNDRV_PCM_FMTBIT_S16_LE,
		},
		};

		static void rt5514_spi_copy_work(struct work_struct *work)
		{
		struct rt5514_dsp *rt5514_dsp =
		container_of(work, struct rt5514_dsp, copy_work.work);
		struct snd_pcm_runtime *runtime = rt5514_dsp->substream->runtime;
		size_t period_bytes, truncated_bytes = 0;

		mutex_lock(&rt5514_dsp->dma_lock);
		if (!rt5514_dsp->substream) {
		dev_err(rt5514_dsp->dev, "No pcm substream\n");
		goto done;
		}

		period_bytes = snd_pcm_lib_period_bytes(rt5514_dsp->substream);

		if (rt5514_dsp->buf_size - rt5514_dsp->dsp_offset < period_bytes)
		period_bytes = rt5514_dsp->buf_size - rt5514_dsp->dsp_offset;

		if (rt5514_dsp->buf_rp + period_bytes <= rt5514_dsp->buf_limit) {
		rt5514_spi_burst_read(rt5514_dsp->buf_rp,
		runtime->dma_area + rt5514_dsp->dma_offset,
		period_bytes);

		if (rt5514_dsp->buf_rp + period_bytes == rt5514_dsp->buf_limit)
		rt5514_dsp->buf_rp = rt5514_dsp->buf_base;
		else
		rt5514_dsp->buf_rp += period_bytes;
		} else {
		truncated_bytes = rt5514_dsp->buf_limit - rt5514_dsp->buf_rp;
		rt5514_spi_burst_read(rt5514_dsp->buf_rp,
		runtime->dma_area + rt5514_dsp->dma_offset,
		truncated_bytes);

		rt5514_spi_burst_read(rt5514_dsp->buf_base,
		runtime->dma_area + rt5514_dsp->dma_offset +
		truncated_bytes, period_bytes - truncated_bytes);

		rt5514_dsp->buf_rp = rt5514_dsp->buf_base +
		period_bytes - truncated_bytes;
		}

		rt5514_dsp->dma_offset += period_bytes;
		if (rt5514_dsp->dma_offset >= runtime->dma_bytes)
		rt5514_dsp->dma_offset = 0;

		rt5514_dsp->dsp_offset += period_bytes;

		snd_pcm_period_elapsed(rt5514_dsp->substream);

		if (rt5514_dsp->dsp_offset < rt5514_dsp->buf_size)
		schedule_delayed_work(&rt5514_dsp->copy_work, 5);
		done:
		mutex_unlock(&rt5514_dsp->dma_lock);
		}

		/* PCM for streaming audio from the DSP buffer */
		static int rt5514_spi_pcm_open(struct snd_pcm_substream *substream)
		{
		snd_soc_set_runtime_hwparams(substream, &rt5514_spi_pcm_hardware);

		return 0;
		}

		static int rt5514_spi_hw_params(struct snd_pcm_substream *substream,
		struct snd_pcm_hw_params *hw_params)
		{
		struct snd_soc_pcm_runtime *rtd = substream->private_data;
		struct rt5514_dsp *rt5514_dsp =
		snd_soc_platform_get_drvdata(rtd->platform);
		int ret;

		mutex_lock(&rt5514_dsp->dma_lock);
		ret = snd_pcm_lib_alloc_vmalloc_buffer(substream,
		params_buffer_bytes(hw_params));
		rt5514_dsp->substream = substream;
		mutex_unlock(&rt5514_dsp->dma_lock);

		return ret;
		}

		static int rt5514_spi_hw_free(struct snd_pcm_substream *substream)
		{
		struct snd_soc_pcm_runtime *rtd = substream->private_data;
		struct rt5514_dsp *rt5514_dsp =
		snd_soc_platform_get_drvdata(rtd->platform);

		mutex_lock(&rt5514_dsp->dma_lock);
		rt5514_dsp->substream = NULL;
		mutex_unlock(&rt5514_dsp->dma_lock);

		cancel_delayed_work_sync(&rt5514_dsp->copy_work);

		return snd_pcm_lib_free_vmalloc_buffer(substream);
		}

		static int rt5514_spi_prepare(struct snd_pcm_substream *substream)
		{
		struct snd_soc_pcm_runtime *rtd = substream->private_data;
		struct rt5514_dsp *rt5514_dsp =
		snd_soc_platform_get_drvdata(rtd->platform);
		u8 buf[8];

		rt5514_dsp->dma_offset = 0;
		rt5514_dsp->dsp_offset = 0;

		/**
		* The address area x1800XXXX is the register address, and it cannot
		* support spi burst read perfectly. So we use the spi burst read
		* individually to make sure the data correctly.
		*/
		rt5514_spi_burst_read(RT5514_BUFFER_VOICE_BASE, (u8 *)&buf,
		sizeof(buf));
		rt5514_dsp->buf_base = buf[0] \| buf[1] << 8 \| buf[2] << 16 \|
		buf[3] << 24;

		rt5514_spi_burst_read(RT5514_BUFFER_VOICE_LIMIT, (u8 *)&buf,
		sizeof(buf));
		rt5514_dsp->buf_limit = buf[0] \| buf[1] << 8 \| buf[2] << 16 \|
		buf[3] << 24;

		rt5514_spi_burst_read(RT5514_BUFFER_VOICE_RP, (u8 *)&buf,
		sizeof(buf));
		rt5514_dsp->buf_rp = buf[0] \| buf[1] << 8 \| buf[2] << 16 \|
		buf[3] << 24;

		rt5514_spi_burst_read(RT5514_BUFFER_VOICE_SIZE, (u8 *)&buf,
		sizeof(buf));
		rt5514_dsp->buf_size = buf[0] \| buf[1] << 8 \| buf[2] << 16 \|
		buf[3] << 24;

		return 0;
		}

		static int rt5514_spi_trigger(struct snd_pcm_substream *substream, int cmd)
		{
		struct snd_soc_pcm_runtime *rtd = substream->private_data;
		struct rt5514_dsp *rt5514_dsp =
		snd_soc_platform_get_drvdata(rtd->platform);

		if (cmd == SNDRV_PCM_TRIGGER_START) {
		if (rt5514_dsp->buf_base && rt5514_dsp->buf_limit &&
		rt5514_dsp->buf_rp && rt5514_dsp->buf_size)
		schedule_delayed_work(&rt5514_dsp->copy_work, 0);
		}

		return 0;
		}

		static snd_pcm_uframes_t rt5514_spi_pcm_pointer(
		struct snd_pcm_substream *substream)
		{
		struct snd_pcm_runtime *runtime = substream->runtime;
		struct snd_soc_pcm_runtime *rtd = substream->private_data;
		struct rt5514_dsp *rt5514_dsp =
		snd_soc_platform_get_drvdata(rtd->platform);

		return bytes_to_frames(runtime, rt5514_dsp->dma_offset);
		}

		static struct snd_pcm_ops rt5514_spi_pcm_ops = {
		.open = rt5514_spi_pcm_open,
		.hw_params = rt5514_spi_hw_params,
		.hw_free = rt5514_spi_hw_free,
		.trigger = rt5514_spi_trigger,
		.prepare = rt5514_spi_prepare,
		.pointer = rt5514_spi_pcm_pointer,
		.mmap = snd_pcm_lib_mmap_vmalloc,
		.page = snd_pcm_lib_get_vmalloc_page,
		};

		static int rt5514_spi_pcm_probe(struct snd_soc_platform *platform)
		{
		struct rt5514_dsp *rt5514_dsp;

		rt5514_dsp = devm_kzalloc(platform->dev, sizeof(*rt5514_dsp),
		GFP_KERNEL);

		rt5514_dsp->dev = &rt5514_spi->dev;
		mutex_init(&rt5514_dsp->dma_lock);
		INIT_DELAYED_WORK(&rt5514_dsp->copy_work, rt5514_spi_copy_work);
		snd_soc_platform_set_drvdata(platform, rt5514_dsp);

		return 0;
		}

		static struct snd_soc_platform_driver rt5514_spi_platform = {
		.probe = rt5514_spi_pcm_probe,
		.ops = &rt5514_spi_pcm_ops,
		};

		static const struct snd_soc_component_driver rt5514_spi_dai_component = {
		.name = "rt5514-spi-dai",
		};

		/**
		* rt5514_spi_burst_read - Read data from SPI by rt5514 address.
		* @addr: Start address.
		* @rxbuf: Data Buffer for reading.
		* @len: Data length, it must be a multiple of 8.
		*
		*
		* Returns true for success.
		*/
		int rt5514_spi_burst_read(unsigned int addr, u8 *rxbuf, size_t len)
		{
		u8 spi_cmd = RT5514_SPI_CMD_BURST_READ;
		int status;
		u8 write_buf[8];
		unsigned int i, end, offset = 0;

		struct spi_message message;
		struct spi_transfer x[3];

		while (offset < len) {
		if (offset + RT5514_SPI_BUF_LEN <= len)
		end = RT5514_SPI_BUF_LEN;
		else
		end = len % RT5514_SPI_BUF_LEN;

		write_buf[0] = spi_cmd;
		write_buf[1] = ((addr + offset) & 0xff000000) >> 24;
		write_buf[2] = ((addr + offset) & 0x00ff0000) >> 16;
		write_buf[3] = ((addr + offset) & 0x0000ff00) >> 8;
		write_buf[4] = ((addr + offset) & 0x000000ff) >> 0;

		spi_message_init(&message);
		memset(x, 0, sizeof(x));

		x[0].len = 5;
		x[0].tx_buf = write_buf;
		spi_message_add_tail(&x[0], &message);

		x[1].len = 4;
		x[1].tx_buf = write_buf;
		spi_message_add_tail(&x[1], &message);

		x[2].len = end;
		x[2].rx_buf = rxbuf + offset;
		spi_message_add_tail(&x[2], &message);

		status = spi_sync(rt5514_spi, &message);

		if (status)
		return false;

		offset += RT5514_SPI_BUF_LEN;
		}

		for (i = 0; i < len; i += 8) {
		write_buf[0] = rxbuf[i + 0];
		write_buf[1] = rxbuf[i + 1];
		write_buf[2] = rxbuf[i + 2];
		write_buf[3] = rxbuf[i + 3];
		write_buf[4] = rxbuf[i + 4];
		write_buf[5] = rxbuf[i + 5];
		write_buf[6] = rxbuf[i + 6];
		write_buf[7] = rxbuf[i + 7];

		rxbuf[i + 0] = write_buf[7];
		rxbuf[i + 1] = write_buf[6];
		rxbuf[i + 2] = write_buf[5];
		rxbuf[i + 3] = write_buf[4];
		rxbuf[i + 4] = write_buf[3];
		rxbuf[i + 5] = write_buf[2];
		rxbuf[i + 6] = write_buf[1];
		rxbuf[i + 7] = write_buf[0];
		}

		return true;
		}

		/**
		* rt5514_spi_burst_write - Write data to SPI by rt5514 address.
		* @addr: Start address.
		* @txbuf: Data Buffer for writng.
		* @len: Data length, it must be a multiple of 8.
		*
		*
		* Returns true for success.
		*/
		int rt5514_spi_burst_write(u32 addr, const u8 *txbuf, size_t len)
		{
		u8 spi_cmd = RT5514_SPI_CMD_BURST_WRITE;
		u8 *write_buf;
		unsigned int i, end, offset = 0;

		write_buf = kmalloc(RT5514_SPI_BUF_LEN + 6, GFP_KERNEL);

		if (write_buf == NULL)
		return -ENOMEM;

		while (offset < len) {
		if (offset + RT5514_SPI_BUF_LEN <= len)
		end = RT5514_SPI_BUF_LEN;
		else
		end = len % RT5514_SPI_BUF_LEN;

		write_buf[0] = spi_cmd;
		write_buf[1] = ((addr + offset) & 0xff000000) >> 24;
		write_buf[2] = ((addr + offset) & 0x00ff0000) >> 16;
		write_buf[3] = ((addr + offset) & 0x0000ff00) >> 8;
		write_buf[4] = ((addr + offset) & 0x000000ff) >> 0;

		for (i = 0; i < end; i += 8) {
		write_buf[i + 12] = txbuf[offset + i + 0];
		write_buf[i + 11] = txbuf[offset + i + 1];
		write_buf[i + 10] = txbuf[offset + i + 2];
		write_buf[i + 9] = txbuf[offset + i + 3];
		write_buf[i + 8] = txbuf[offset + i + 4];
		write_buf[i + 7] = txbuf[offset + i + 5];
		write_buf[i + 6] = txbuf[offset + i + 6];
		write_buf[i + 5] = txbuf[offset + i + 7];
		}

		write_buf[end + 5] = spi_cmd;

		spi_write(rt5514_spi, write_buf, end + 6);

		offset += RT5514_SPI_BUF_LEN;
		}

		kfree(write_buf);

		return 0;
		}
		EXPORT_SYMBOL_GPL(rt5514_spi_burst_write);

		static int rt5514_spi_probe(struct spi_device *spi)
		{
		int ret;

		rt5514_spi = spi;

		ret = snd_soc_register_platform(&spi->dev, &rt5514_spi_platform);
		if (ret < 0) {
		dev_err(&spi->dev, "Failed to register platform.\n");
		goto err_plat;
		}

		ret = snd_soc_register_component(&spi->dev, &rt5514_spi_dai_component,
		&rt5514_spi_dai, 1);
		if (ret < 0) {
		dev_err(&spi->dev, "Failed to register component.\n");
		goto err_comp;
		}

		return 0;
		err_comp:
		snd_soc_unregister_platform(&spi->dev);
		err_plat:

		return 0;
		}

		static int rt5514_spi_remove(struct spi_device *spi)
		{
		snd_soc_unregister_component(&spi->dev);
		snd_soc_unregister_platform(&spi->dev);

		return 0;
		}

		static const struct of_device_id rt5514_of_match[] = {
		{ .compatible = "realtek,rt5514", },
		{},
		};
		MODULE_DEVICE_TABLE(of, rt5514_of_match);

		static struct spi_driver rt5514_spi_driver = {
		.driver = {
		.name = "rt5514",
		.of_match_table = of_match_ptr(rt5514_of_match),
		},
		.probe = rt5514_spi_probe,
		.remove = rt5514_spi_remove,
		};
		module_spi_driver(rt5514_spi_driver);

		MODULE_DESCRIPTION("RT5514 SPI driver");
		MODULE_AUTHOR("Oder Chiou <oder_chiou@realtek.com>");
		MODULE_LICENSE("GPL v2");

sound/soc/codecs/rt5514-spi.h

0 → 100644

+38 −0

Original line number	Diff line number	Diff line
		/*
		* rt5514-spi.h -- RT5514 driver
		*
		* Copyright 2015 Realtek Semiconductor Corp.
		* Author: Oder Chiou <oder_chiou@realtek.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.
		*/

		#ifndef __RT5514_SPI_H__
		#define __RT5514_SPI_H__

		/**
		* RT5514_SPI_BUF_LEN is the buffer size of SPI master controller.
		*/
		#define RT5514_SPI_BUF_LEN 240

		#define RT5514_BUFFER_VOICE_BASE 0x18001034
		#define RT5514_BUFFER_VOICE_LIMIT 0x18001038
		#define RT5514_BUFFER_VOICE_RP 0x1800103c
		#define RT5514_BUFFER_VOICE_SIZE 0x18001040

		/* SPI Command */
		enum {
		RT5514_SPI_CMD_16_READ = 0,
		RT5514_SPI_CMD_16_WRITE,
		RT5514_SPI_CMD_32_READ,
		RT5514_SPI_CMD_32_WRITE,
		RT5514_SPI_CMD_BURST_READ,
		RT5514_SPI_CMD_BURST_WRITE,
		};

		int rt5514_spi_burst_read(unsigned int addr, u8 *rxbuf, size_t len);
		int rt5514_spi_burst_write(u32 addr, const u8 *txbuf, size_t len);

		#endif /* __RT5514_SPI_H__ */

sound/soc/codecs/rt5514.c

+134 −2

Original line number	Diff line number	Diff line
		@@ -30,6 +30,9 @@

		#include "rl6231.h"
		#include "rt5514.h"
		#if defined(CONFIG_SND_SOC_RT5514_SPI)
		#include "rt5514-spi.h"
		#endif

		static const struct reg_sequence rt5514_i2c_patch[] = {
		{0x1800101c, 0x00000000},
		@@ -110,6 +113,35 @@ static const struct reg_default rt5514_reg[] = {
		{RT5514_VENDOR_ID2, 0x10ec5514},
		};

		static void rt5514_enable_dsp_prepare(struct rt5514_priv *rt5514)
		{
		/* Reset */
		regmap_write(rt5514->i2c_regmap, 0x18002000, 0x000010ec);
		/* LDO_I_limit */
		regmap_write(rt5514->i2c_regmap, 0x18002200, 0x00028604);
		/* I2C bypass enable */
		regmap_write(rt5514->i2c_regmap, 0xfafafafa, 0x00000001);
		/* mini-core reset */
		regmap_write(rt5514->i2c_regmap, 0x18002f00, 0x0005514b);
		regmap_write(rt5514->i2c_regmap, 0x18002f00, 0x00055149);
		/* I2C bypass disable */
		regmap_write(rt5514->i2c_regmap, 0xfafafafa, 0x00000000);
		/* PIN config */
		regmap_write(rt5514->i2c_regmap, 0x18002070, 0x00000040);
		/* PLL3(QN)=RCOSC(10+2) /
		regmap_write(rt5514->i2c_regmap, 0x18002240, 0x0000000a);
		/* PLL3 source=RCOSC, fsi=rt_clk */
		regmap_write(rt5514->i2c_regmap, 0x18002100, 0x0000000b);
		/* Power on RCOSC, pll3 */
		regmap_write(rt5514->i2c_regmap, 0x18002004, 0x00808b81);
		/* DSP clk source = pll3, ENABLE DSP clk */
		regmap_write(rt5514->i2c_regmap, 0x18002f08, 0x00000005);
		/* Enable DSP clk auto switch */
		regmap_write(rt5514->i2c_regmap, 0x18001114, 0x00000001);
		/* Reduce DSP power */
		regmap_write(rt5514->i2c_regmap, 0x18001118, 0x00000001);
		}

		static bool rt5514_volatile_register(struct device *dev, unsigned int reg)
		{
		switch (reg) {
		@@ -248,6 +280,74 @@ static const DECLARE_TLV_DB_RANGE(bst_tlv,

		static const DECLARE_TLV_DB_SCALE(adc_vol_tlv, -17625, 375, 0);

		static int rt5514_dsp_voice_wake_up_get(struct snd_kcontrol *kcontrol,
		struct snd_ctl_elem_value *ucontrol)
		{
		struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
		struct rt5514_priv *rt5514 = snd_soc_component_get_drvdata(component);

		ucontrol->value.integer.value[0] = rt5514->dsp_enabled;

		return 0;
		}

		static int rt5514_dsp_voice_wake_up_put(struct snd_kcontrol *kcontrol,
		struct snd_ctl_elem_value *ucontrol)
		{
		struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
		struct rt5514_priv *rt5514 = snd_soc_component_get_drvdata(component);
		struct snd_soc_codec *codec = rt5514->codec;
		const struct firmware *fw = NULL;

		if (ucontrol->value.integer.value[0] == rt5514->dsp_enabled)
		return 0;

		if (snd_soc_codec_get_bias_level(codec) == SND_SOC_BIAS_OFF) {
		rt5514->dsp_enabled = ucontrol->value.integer.value[0];

		if (rt5514->dsp_enabled) {
		rt5514_enable_dsp_prepare(rt5514);

		request_firmware(&fw, RT5514_FIRMWARE1, codec->dev);
		if (fw) {
		#if defined(CONFIG_SND_SOC_RT5514_SPI)
		rt5514_spi_burst_write(0x4ff60000, fw->data,
		((fw->size/8)+1)*8);
		#else
		dev_err(codec->dev, "There is no SPI driver for"
		" loading the firmware\n");
		#endif
		release_firmware(fw);
		fw = NULL;
		}

		request_firmware(&fw, RT5514_FIRMWARE2, codec->dev);
		if (fw) {
		#if defined(CONFIG_SND_SOC_RT5514_SPI)
		rt5514_spi_burst_write(0x4ffc0000, fw->data,
		((fw->size/8)+1)*8);
		#else
		dev_err(codec->dev, "There is no SPI driver for"
		" loading the firmware\n");
		#endif
		release_firmware(fw);
		fw = NULL;
		}

		/* DSP run */
		regmap_write(rt5514->i2c_regmap, 0x18002f00,
		0x00055148);
		} else {
		regmap_multi_reg_write(rt5514->i2c_regmap,
		rt5514_i2c_patch, ARRAY_SIZE(rt5514_i2c_patch));
		regcache_mark_dirty(rt5514->regmap);
		regcache_sync(rt5514->regmap);
		}
		}

		return 0;
		}

		static const struct snd_kcontrol_new rt5514_snd_controls[] = {
		SOC_DOUBLE_TLV("MIC Boost Volume", RT5514_ANA_CTRL_MICBST,
		RT5514_SEL_BSTL_SFT, RT5514_SEL_BSTR_SFT, 8, 0, bst_tlv),
		@@ -257,6 +357,8 @@ static const struct snd_kcontrol_new rt5514_snd_controls[] = {
		SOC_DOUBLE_R_TLV("ADC2 Capture Volume", RT5514_DOWNFILTER1_CTRL1,
		RT5514_DOWNFILTER1_CTRL2, RT5514_AD_GAIN_SFT, 127, 0,
		adc_vol_tlv),
		SOC_SINGLE_EXT("DSP Voice Wake Up", SND_SOC_NOPM, 0, 1, 0,
		rt5514_dsp_voice_wake_up_get, rt5514_dsp_voice_wake_up_put),
		};

		/* ADC Mixer*/
		@@ -365,6 +467,35 @@ static int rt5514_is_sys_clk_from_pll(struct snd_soc_dapm_widget *source,
		return 0;
		}

		static int rt5514_pre_event(struct snd_soc_dapm_widget *w,
		struct snd_kcontrol *kcontrol, int event)
		{
		struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);
		struct rt5514_priv *rt5514 = snd_soc_codec_get_drvdata(codec);

		switch (event) {
		case SND_SOC_DAPM_PRE_PMU:
		/**
		* If the DSP is enabled in start of recording, the DSP
		* should be disabled, and sync back to normal recording
		* settings to make sure recording properly.
		*/
		if (rt5514->dsp_enabled) {
		rt5514->dsp_enabled = 0;
		regmap_multi_reg_write(rt5514->i2c_regmap,
		rt5514_i2c_patch, ARRAY_SIZE(rt5514_i2c_patch));
		regcache_mark_dirty(rt5514->regmap);
		regcache_sync(rt5514->regmap);
		}
		break;

		default:
		return 0;
		}

		return 0;
		}

		static const struct snd_soc_dapm_widget rt5514_dapm_widgets[] = {
		/* Input Lines */
		SND_SOC_DAPM_INPUT("DMIC1L"),
		@@ -472,6 +603,8 @@ static const struct snd_soc_dapm_widget rt5514_dapm_widgets[] = {

		/* Audio Interface */
		SND_SOC_DAPM_AIF_OUT("AIF1TX", "AIF1 Capture", 0, SND_SOC_NOPM, 0, 0),

		SND_SOC_DAPM_PRE("DAPM Pre", rt5514_pre_event),
		};

		static const struct snd_soc_dapm_route rt5514_dapm_routes[] = {
		@@ -871,7 +1004,6 @@ static const struct regmap_config rt5514_i2c_regmap = {
		.reg_bits = 32,
		.val_bits = 32,

		.max_register = RT5514_DSP_MAPPING \| RT5514_VENDOR_ID2,
		.readable_reg = rt5514_i2c_readable_register,

		.cache_type = REGCACHE_NONE,
		@@ -944,7 +1076,7 @@ static int rt5514_i2c_probe(struct i2c_client *i2c,
		return -ENODEV;
		}

		ret = regmap_register_patch(rt5514->i2c_regmap, rt5514_i2c_patch,
		ret = regmap_multi_reg_write(rt5514->i2c_regmap, rt5514_i2c_patch,
		ARRAY_SIZE(rt5514_i2c_patch));
		if (ret != 0)
		dev_warn(&i2c->dev, "Failed to apply i2c_regmap patch: %d\n",

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