The patch adds the rt5514 SPI driver for loading the firmware of DSP and retrieving the voice data after the system is waked up by voice.

Signed-off-by: Oder Chiou oder_chiou@realtek.com --- sound/soc/codecs/Kconfig | 6 + sound/soc/codecs/Makefile | 2 + sound/soc/codecs/rt5514-spi.c | 494 ++++++++++++++++++++++++++++++++++++++++++ sound/soc/codecs/rt5514-spi.h | 36 +++ sound/soc/codecs/rt5514.c | 243 +++++++++++++++++++++ sound/soc/codecs/rt5514.h | 1 + 6 files changed, 782 insertions(+) create mode 100644 sound/soc/codecs/rt5514-spi.c create mode 100644 sound/soc/codecs/rt5514-spi.h

diff --git a/sound/soc/codecs/Kconfig b/sound/soc/codecs/Kconfig index 4383966..6a36c3a 100644 --- a/sound/soc/codecs/Kconfig +++ b/sound/soc/codecs/Kconfig @@ -621,6 +621,12 @@ config SND_SOC_RT298

config SND_SOC_RT5514 tristate + default y if SND_SOC_RT5514_SPI=y + default m if SND_SOC_RT5514_SPI=m + +config SND_SOC_RT5514_SPI + tristate + depends on SPI_MASTER

config SND_SOC_RT5616 tristate diff --git a/sound/soc/codecs/Makefile b/sound/soc/codecs/Makefile index cd05e70..c04d5b6 100644 --- a/sound/soc/codecs/Makefile +++ b/sound/soc/codecs/Makefile @@ -96,6 +96,7 @@ 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 @@ -304,6 +305,7 @@ 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 diff --git a/sound/soc/codecs/rt5514-spi.c b/sound/soc/codecs/rt5514-spi.c new file mode 100644 index 0000000..5889533 --- /dev/null +++ b/sound/soc/codecs/rt5514-spi.c @@ -0,0 +1,494 @@ +/* + * 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); + cancel_delayed_work_sync(&rt5514_dsp->copy_work); + rt5514_dsp->substream = NULL; + mutex_unlock(&rt5514_dsp->dma_lock); + + 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); + + rt5514_dsp->dma_offset = 0; + rt5514_dsp->dsp_offset = 0; + rt5514_spi_read_addr(RT5514_BUFFER_VOICE_BASE, &rt5514_dsp->buf_base); + rt5514_spi_read_addr(RT5514_BUFFER_VOICE_LIMIT, &rt5514_dsp->buf_limit); + rt5514_spi_read_addr(RT5514_BUFFER_VOICE_RP, &rt5514_dsp->buf_rp); + rt5514_spi_read_addr(RT5514_BUFFER_VOICE_SIZE, &rt5514_dsp->buf_size); + + 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, + .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", +}; + +int rt5514_spi_read_addr(unsigned int addr, unsigned int *val) +{ + struct spi_device *spi = rt5514_spi; + struct spi_message message; + struct spi_transfer x[3]; + u8 spi_cmd = RT5514_SPI_CMD_32_READ; + int status; + u8 write_buf[5]; + u8 read_buf[4]; + + write_buf[0] = spi_cmd; + write_buf[1] = (addr & 0xff000000) >> 24; + write_buf[2] = (addr & 0x00ff0000) >> 16; + write_buf[3] = (addr & 0x0000ff00) >> 8; + write_buf[4] = (addr & 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 = 4; + x[2].rx_buf = read_buf; + spi_message_add_tail(&x[2], &message); + + status = spi_sync(spi, &message); + + *val = read_buf[3] | read_buf[2] << 8 | read_buf[1] << 16 | + read_buf[0] << 24; + + return status; +} +EXPORT_SYMBOL_GPL(rt5514_spi_read_addr); + +int rt5514_spi_write_addr(unsigned int addr, unsigned int val) +{ + struct spi_device *spi = rt5514_spi; + u8 spi_cmd = RT5514_SPI_CMD_32_WRITE; + int status; + u8 write_buf[10]; + + write_buf[0] = spi_cmd; + write_buf[1] = (addr & 0xff000000) >> 24; + write_buf[2] = (addr & 0x00ff0000) >> 16; + write_buf[3] = (addr & 0x0000ff00) >> 8; + write_buf[4] = (addr & 0x000000ff) >> 0; + write_buf[5] = (val & 0xff000000) >> 24; + write_buf[6] = (val & 0x00ff0000) >> 16; + write_buf[7] = (val & 0x0000ff00) >> 8; + write_buf[8] = (val & 0x000000ff) >> 0; + write_buf[9] = spi_cmd; + + status = spi_write(spi, write_buf, sizeof(write_buf)); + + if (status) + dev_err(&spi->dev, "%s error %d\n", __func__, status); + + return status; +} +EXPORT_SYMBOL_GPL(rt5514_spi_write_addr); + +/** + * 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; +} +EXPORT_SYMBOL_GPL(rt5514_spi_burst_read); + +/** + * 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; +} + +#if defined(CONFIG_OF) +static const struct of_device_id rt5514_of_match[] = { + { .compatible = "realtek,rt5514", }, + {}, +}; +MODULE_DEVICE_TABLE(of, rt5514_of_match); +#endif + +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"); diff --git a/sound/soc/codecs/rt5514-spi.h b/sound/soc/codecs/rt5514-spi.h new file mode 100644 index 0000000..68b73f4 --- /dev/null +++ b/sound/soc/codecs/rt5514-spi.h @@ -0,0 +1,36 @@ +/* + * 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__ + +#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_read_addr(unsigned int addr, unsigned int *val); +int rt5514_spi_write_addr(unsigned int addr, unsigned int val); +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__ */ diff --git a/sound/soc/codecs/rt5514.c b/sound/soc/codecs/rt5514.c index 879bf60..a3838c0 100644 --- a/sound/soc/codecs/rt5514.c +++ b/sound/soc/codecs/rt5514.c @@ -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 +113,159 @@ static const struct reg_default rt5514_reg[] = { {RT5514_VENDOR_ID2, 0x10ec5514}, };

+static void rt5514_enable_dsp_clock(struct rt5514_priv *rt5514) +{ + /* Reset */ + regmap_write(rt5514->i2c_regmap, 0x18002000, 0x000010ec); + /* LDO_I_limit */ + regmap_write(rt5514->i2c_regmap, 0x18002200, 0x00028604); + /* (for reset DSP) mini-core reset */ + regmap_write(rt5514->i2c_regmap, 0x18002f00, 0x0005514b); + /* (for reset DSP) mini-core reset */ + regmap_write(rt5514->i2c_regmap, 0x18002f00, 0x00055149); + /* DMIC_OUT1/2=HiZ */ + regmap_write(rt5514->i2c_regmap, 0x180020a0, 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); + /* PU RCOSC, pll3 */ + regmap_write(rt5514->i2c_regmap, 0x18002004, 0x00808b81); + /* PD ADC1/2 */ + regmap_write(rt5514->i2c_regmap, 0x18002008, 0x00220000); + /* DSP clk source=pll3, ENABLE DSP clk */ + regmap_write(rt5514->i2c_regmap, 0x18002f08, 0x00000005); + /* 256fs=/4,DMIC_CLK_OUT=/16(disable ad2) */ + regmap_write(rt5514->i2c_regmap, 0x18002104, 0x10023541); + /* clk_sys source=mux_out */ + regmap_write(rt5514->i2c_regmap, 0x18002108, 0x00000000); + /* DSP clk= 15M*(20+1)/32 =10M */ + regmap_write(rt5514->i2c_regmap, 0x18001100, 0x00000214); + /* DB, pointer */ + regmap_write(rt5514->i2c_regmap, 0x18002148, 0x80000000); + /* DB, pop=4x */ + regmap_write(rt5514->i2c_regmap, 0x18002140, 0x3fff00fa); + /* DB, pointer */ + regmap_write(rt5514->i2c_regmap, 0x18002148, 0x00000000); + /* DFLL reset */ + regmap_write(rt5514->i2c_regmap, 0x18002124, 0x00220012); + /* DFLL, set m/n */ + regmap_write(rt5514->i2c_regmap, 0x18002110, 0x000101f4); + /* DFLL,reset DFLL */ + regmap_write(rt5514->i2c_regmap, 0x18002124, 0x80220012); + /* DFLL */ + regmap_write(rt5514->i2c_regmap, 0x18002124, 0xc0220012); + /* (I2S) i2s format, TDM 4ch */ + regmap_write(rt5514->i2c_regmap, 0x18002010, 0x10000772); + /* (I2S) source sel; tdm_0=ad0, tdm_1=ad1 */ + regmap_write(rt5514->i2c_regmap, 0x180020ac, 0x44000eee); + /* (ad0) source of DMIC */ + regmap_write(rt5514->i2c_regmap, 0x18002190, 0x0002042f); + /* (ad0) source of DMIC */ + regmap_write(rt5514->i2c_regmap, 0x18002194, 0x0002042f); + /* (ad0) DMIC-IN1 L/R select */ + regmap_write(rt5514->i2c_regmap, 0x18002198, 0x10000362); + /* (ad1) source of DMIC */ + regmap_write(rt5514->i2c_regmap, 0x180021a0, 0x0002042f); + /* (ad1) source of DMIC */ + regmap_write(rt5514->i2c_regmap, 0x180021a4, 0x0002042f); + /* (ad1) DMIC-IN2 L/R select */ + regmap_write(rt5514->i2c_regmap, 0x180021a8, 0x10000362); + /* (ad2) gain=24dB for WOV */ + regmap_write(rt5514->i2c_regmap, 0x180020d0, 0x00008a2f); + /* dsp clk auto switch */ + regmap_write(rt5514->i2c_regmap, 0x18001114, 0x00000001); + /* reduce DSP power */ + regmap_write(rt5514->i2c_regmap, 0x18001118, 0x00000001); + /* UART clk=off */ + regmap_write(rt5514->i2c_regmap, 0x18001104, 0x00000003); + /* (pitch VAD)fix1 */ + regmap_write(rt5514->i2c_regmap, 0x1800201c, 0x69f32067); + /* (pitch VAD)fix2 */ + regmap_write(rt5514->i2c_regmap, 0x18002020, 0x50d500a5); + /* (pitch VAD)fix3 */ + regmap_write(rt5514->i2c_regmap, 0x18002024, 0x000a0206); + /* (pitch VAD)fix4 */ + regmap_write(rt5514->i2c_regmap, 0x18002028, 0x01800114); + /* (hello VAD)fix1 */ + regmap_write(rt5514->i2c_regmap, 0x18002038, 0x00100010); + /* (ok VAD)fix1 */ + regmap_write(rt5514->i2c_regmap, 0x1800204c, 0x000503c8); + /* (ok VAD)fix2 */ + regmap_write(rt5514->i2c_regmap, 0x18002050, 0x001a0308); + /* (ok VAD)fix3 */ + regmap_write(rt5514->i2c_regmap, 0x18002054, 0x50020502); + /* (ok VAD)fix4 */ + regmap_write(rt5514->i2c_regmap, 0x18002058, 0x50000d18); + /* (ok VAD)fix5 */ + regmap_write(rt5514->i2c_regmap, 0x1800205c, 0x640c0b14); + /* (ok VAD)fix6 */ + regmap_write(rt5514->i2c_regmap, 0x18002060, 0x00100001); + /* (FW) SENSORY_SVSCORE(for UDT+SID) */ + regmap_write(rt5514->i2c_regmap, 0x18002fa4, 0x00000000); + /* (FW) SENSORY_THRS(for UDT+SID) */ + regmap_write(rt5514->i2c_regmap, 0x18002fa8, 0x00000000); + /* (FW) DLY_BUF_LTC_OFFSET (for ok/hello VAD) */ + regmap_write(rt5514->i2c_regmap, 0x18002fbc, 0x00000000); +} + +static void rt5514_enable_dsp(struct rt5514_priv *rt5514) +{ + /* (FW) DRIVER_CTRL0: (1)VAD timeout[7:0]: unit = 0.1s + * (2)buffer mode[15:14]: + * 0 = key phrase+voice command + * 1 = voice command + * 2 = key phrase + */ + regmap_write(rt5514->i2c_regmap, 0x18001028, 0x0000000a); + /* PU RCOSC, pll3 */ + regmap_write(rt5514->i2c_regmap, 0x18002004, 0x00808b81); + /* PD ADC1/2 */ + regmap_write(rt5514->i2c_regmap, 0x18002008, 0x00220000); + /* dsp stop */ + regmap_write(rt5514->i2c_regmap, 0x18002f00, 0x00055149); + /* CLK, 256fs=/4,DMIC_CLK_OUT=/16(enable ad2) */ + regmap_write(rt5514->i2c_regmap, 0x18002104, 0x14023541); + /* CLK, clk_sys=mux_out/1 */ + regmap_write(rt5514->i2c_regmap, 0x18002108, 0x00000000); + /* (PATH) DMIC_IN1(ri)->ad2, ad2(db_PCM)->IB2 */ + regmap_write(rt5514->i2c_regmap, 0x180020a4, 0x00808002); + /* DSP clk source=pll3, ENABLE DSP clk */ + regmap_write(rt5514->i2c_regmap, 0x18002f08, 0x00000005); + /* (opt)VAD, clr and enable pitch/hello VAD + * (0x800007d2 for ok VAD, 0x800007d3 for pitch/hello VAD) + */ + regmap_write(rt5514->i2c_regmap, 0x18002030, 0x800007d3); + /* (opt)VAD, clr and enable ok VAD + * (0x80000003 for ok VAD, 0x80000002 for pitch/hello VAD) + */ + regmap_write(rt5514->i2c_regmap, 0x18002064, 0x80000002); + /* (opt)VAD type sel(..90h:hello, ..80h:pitch, ..A0h:ok) */ + regmap_write(rt5514->i2c_regmap, 0x1800206c, 0x80000080); + /* dsp run */ + regmap_write(rt5514->i2c_regmap, 0x18002f00, 0x00055148); + /* clear IRQ */ + regmap_write(rt5514->i2c_regmap, 0x18002e04, 0x00000000); + /* (opt)VAD, release and enable pitch/hello VAD + * (0x7d2 for ok VAD, 0x7d3 for pitch/hello VAD) + */ + regmap_write(rt5514->i2c_regmap, 0x18002030, 0x000007d3); + /* (opt)VAD, release and enable ok VAD + * (0x3 for ok VAD, 0x2 for pitch/hello VAD) + */ + regmap_write(rt5514->i2c_regmap, 0x18002064, 0x00000002); + /* (opt)VAD, release and enable pitch/hello VAD + * (0x7d2 for ok VAD, 0x7d3 for pitch/hello VAD) + */ + regmap_write(rt5514->i2c_regmap, 0x18002030, 0x000007d3); + /* (opt)VAD, release and enable ok VAD + * (0x3 for ok VAD, 0x2 for pitch/hello VAD) + */ + regmap_write(rt5514->i2c_regmap, 0x18002064, 0x00000002); +} + static bool rt5514_volatile_register(struct device *dev, unsigned int reg) { switch (reg) { @@ -248,6 +404,64 @@ static const DECLARE_TLV_DB_RANGE(bst_tlv,

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

+static int rt5514_dsp_mode_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_mode; + + return 0; +} + +static int rt5514_dsp_mode_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_mode) + return 0; + + rt5514->dsp_mode = ucontrol->value.integer.value[0]; + + if (rt5514->dsp_mode) { + rt5514_enable_dsp_clock(rt5514); + + request_firmware(&fw, "0x4ff60000.dat", codec->dev); + if (fw) { +#if defined(CONFIG_SND_SOC_RT5514_SPI) + rt5514_spi_burst_write(0x4ff60000, fw->data, + ((fw->size/8)+1)*8); +#endif + release_firmware(fw); + fw = NULL; + } + + request_firmware(&fw, "0x4ffc0000.dat", codec->dev); + if (fw) { +#if defined(CONFIG_SND_SOC_RT5514_SPI) + rt5514_spi_burst_write(0x4ffc0000, fw->data, + ((fw->size/8)+1)*8); +#endif + release_firmware(fw); + fw = NULL; + } + + rt5514_enable_dsp(rt5514); + } else { + regcache_mark_dirty(rt5514->i2c_regmap); + regcache_mark_dirty(rt5514->regmap); + regcache_sync(rt5514->i2c_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 +471,8 @@ 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 Control", SND_SOC_NOPM, 0, 1, 0, + rt5514_dsp_mode_get, rt5514_dsp_mode_put), };

/* ADC Mixer*/ @@ -799,6 +1015,32 @@ static int rt5514_set_tdm_slot(struct snd_soc_dai *dai, unsigned int tx_mask, return 0; }

+static int rt5514_set_bias_level(struct snd_soc_codec *codec, + enum snd_soc_bias_level level) +{ + struct rt5514_priv *rt5514 = snd_soc_codec_get_drvdata(codec); + + switch (level) { + case SND_SOC_BIAS_PREPARE: + if (snd_soc_codec_get_bias_level(codec) == + SND_SOC_BIAS_STANDBY) { + if (rt5514->dsp_mode) { + rt5514->dsp_mode = 0; + regcache_mark_dirty(rt5514->i2c_regmap); + regcache_mark_dirty(rt5514->regmap); + regcache_sync(rt5514->i2c_regmap); + regcache_sync(rt5514->regmap); + } + } + break; + + default: + break; + } + + return 0; +} + static int rt5514_probe(struct snd_soc_codec *codec) { struct rt5514_priv *rt5514 = snd_soc_codec_get_drvdata(codec); @@ -857,6 +1099,7 @@ struct snd_soc_dai_driver rt5514_dai[] = {

static struct snd_soc_codec_driver soc_codec_dev_rt5514 = { .probe = rt5514_probe, + .set_bias_level = rt5514_set_bias_level, .idle_bias_off = true, .controls = rt5514_snd_controls, .num_controls = ARRAY_SIZE(rt5514_snd_controls), diff --git a/sound/soc/codecs/rt5514.h b/sound/soc/codecs/rt5514.h index 6ad8a61..80a5492 100644 --- a/sound/soc/codecs/rt5514.h +++ b/sound/soc/codecs/rt5514.h @@ -247,6 +247,7 @@ struct rt5514_priv { int pll_src; int pll_in; int pll_out; + int dsp_mode; };

#endif /* __RT5514_H__ */