sdk-hwV1.3/lichee/linux-4.9/sound/sunxi-rpaf/soc/sunxi/hifi-dsp/sunxi-daudio.c

1457 lines
47 KiB
C

/* sound\soc\sunxi\hifi-dsp\sunxi-daudio.c
*
* (C) Copyright 2019-2025
* Allwinner Technology Co., Ltd. <www.allwinnertech.com>
* yumingfeng <yumingfeng@allwinnertech.com>
*
* some simple description for this code
*
* 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; either version 2 of
* the License, or (at your option) any later version.
*
*/
#include <linux/init.h>
#include <linux/module.h>
#include <linux/device.h>
#include <linux/clk.h>
#include <linux/of.h>
#include <linux/of_device.h>
#include <linux/of_address.h>
#include <linux/regmap.h>
#include <linux/dma/sunxi-dma.h>
#include <linux/pinctrl/consumer.h>
#include <linux/regulator/consumer.h>
#include <sound/core.h>
#include <sound/pcm.h>
#include <sound/dmaengine_pcm.h>
#include <sound/pcm_params.h>
#include <sound/initval.h>
#include <sound/soc.h>
#include <linux/delay.h>
#include <linux/debugfs.h>
#include <linux/dma-mapping.h>
#include <asm/cacheflush.h>
#include <sound/aw_rpaf/rpmsg_hifi.h>
#include <sound/aw_rpaf/component-core.h>
#include "sunxi-daudio.h"
#include "sunxi-snddaudio.h"
#define DRV_NAME "sunxi-hifi-daudio"
#define SUNXI_DAUDIO_RATES (SNDRV_PCM_RATE_8000_48000)
#define SUNXI_DAUDIO_EXTERNAL_TYPE 1
static long playback_component_type;
module_param(playback_component_type, long, 0644);
MODULE_PARM_DESC(playback_component_type, "playback component type for dump");
static long capture_component_type;
module_param(capture_component_type, long, 0644);
MODULE_PARM_DESC(capture_component_type, "capture component type for dump");
#ifdef CONFIG_SND_SUNXI_HIFI_DAUDIO_DEBUG
static struct daudio_reg_label reg_labels[] = {
DAUDIO_REG_LABEL(SUNXI_DAUDIO_CTL),
DAUDIO_REG_LABEL(SUNXI_DAUDIO_FMT0),
DAUDIO_REG_LABEL(SUNXI_DAUDIO_FMT1),
DAUDIO_REG_LABEL(SUNXI_DAUDIO_INTSTA),
DAUDIO_REG_LABEL(SUNXI_DAUDIO_FIFOCTL),
DAUDIO_REG_LABEL(SUNXI_DAUDIO_FIFOSTA),
DAUDIO_REG_LABEL(SUNXI_DAUDIO_INTCTL),
DAUDIO_REG_LABEL(SUNXI_DAUDIO_CLKDIV),
DAUDIO_REG_LABEL(SUNXI_DAUDIO_TXCNT),
DAUDIO_REG_LABEL(SUNXI_DAUDIO_RXCNT),
DAUDIO_REG_LABEL(SUNXI_DAUDIO_CHCFG),
DAUDIO_REG_LABEL(SUNXI_DAUDIO_TX0CHSEL),
DAUDIO_REG_LABEL(SUNXI_DAUDIO_TX1CHSEL),
DAUDIO_REG_LABEL(SUNXI_DAUDIO_TX2CHSEL),
DAUDIO_REG_LABEL(SUNXI_DAUDIO_TX3CHSEL),
DAUDIO_REG_LABEL(SUNXI_DAUDIO_TX0CHMAP0),
DAUDIO_REG_LABEL(SUNXI_DAUDIO_TX0CHMAP1),
DAUDIO_REG_LABEL(SUNXI_DAUDIO_TX1CHMAP0),
DAUDIO_REG_LABEL(SUNXI_DAUDIO_TX1CHMAP1),
DAUDIO_REG_LABEL(SUNXI_DAUDIO_TX2CHMAP0),
DAUDIO_REG_LABEL(SUNXI_DAUDIO_TX2CHMAP1),
DAUDIO_REG_LABEL(SUNXI_DAUDIO_TX3CHMAP0),
DAUDIO_REG_LABEL(SUNXI_DAUDIO_TX3CHMAP1),
DAUDIO_REG_LABEL(SUNXI_DAUDIO_RXCHSEL),
DAUDIO_REG_LABEL(SUNXI_DAUDIO_RXCHMAP0),
DAUDIO_REG_LABEL(SUNXI_DAUDIO_RXCHMAP1),
DAUDIO_REG_LABEL(SUNXI_DAUDIO_RXCHMAP2),
DAUDIO_REG_LABEL(SUNXI_DAUDIO_RXCHMAP3),
DAUDIO_REG_LABEL(SUNXI_DAUDIO_DEBUG),
DAUDIO_REG_LABEL_END,
};
static ssize_t show_daudio_reg(struct device *dev,
struct device_attribute *attr, char *buf)
{
struct sunxi_daudio_info *sunxi_daudio = dev_get_drvdata(dev);
struct sunxi_daudio_dts_info *dts_info = NULL;
struct sunxi_daudio_mem_info *mem_info = NULL;
unsigned int res_size = 0;
int count = 0;
unsigned int reg_val;
int ret = 0;
int i = 0;
if (IS_ERR_OR_NULL(sunxi_daudio)) {
dev_err(dev, "sunxi_daudio is NULL!\n");
return count;
}
dts_info = &sunxi_daudio->dts_info;
mem_info = &dts_info->mem_info;
res_size = resource_size(&mem_info->res);
count = snprintf(buf, PAGE_SIZE, "Dump daudio reg:\n");
if (count > 0) {
ret += count;
} else {
dev_err(dev, "snprintf start error=%d.\n", count);
return 0;
}
while ((reg_labels[i].name != NULL) &&
(reg_labels[i].address <= res_size)) {
regmap_read(mem_info->regmap, reg_labels[i].address, &reg_val);
count = snprintf(buf + ret, PAGE_SIZE - ret,
"%-23s[0x%02X]: 0x%08X\n",
reg_labels[i].name,
(reg_labels[i].address), reg_val);
if (count > 0) {
ret += count;
} else {
dev_err(dev, "snprintf [i=%d] error=%d.\n", i, count);
break;
}
if (ret > PAGE_SIZE) {
ret = PAGE_SIZE;
break;
}
i++;
}
return ret;
}
/* ex:
*param 1: 0 read;1 write
*param 2: reg value;
*param 3: write value;
read:
echo 0,0x0 > daudio_reg
write:
echo 1,0x00,0xa > daudio_reg
*/
static ssize_t store_daudio_reg(struct device *dev, struct device_attribute *attr,
const char *buf, size_t count)
{
int ret;
int rw_flag;
int reg_val_read;
unsigned int input_reg_val = 0;
unsigned int input_reg_offset = 0;
struct sunxi_daudio_info *sunxi_daudio = dev_get_drvdata(dev);
struct sunxi_daudio_dts_info *dts_info = NULL;
struct sunxi_daudio_mem_info *mem_info = NULL;
unsigned int res_size = 0;
if (IS_ERR_OR_NULL(sunxi_daudio)) {
dev_err(dev, "sunxi_daudio is NULL!\n");
return count;
}
dts_info = &sunxi_daudio->dts_info;
mem_info = &dts_info->mem_info;
res_size = resource_size(&mem_info->res),
ret = sscanf(buf, "%d,0x%x,0x%x", &rw_flag, &input_reg_offset,
&input_reg_val);
if (ret == 3 || ret == 2) {
if (!(rw_flag == 1 || rw_flag == 0)) {
dev_err(dev, "rw_flag should be 0(read) or 1(write).\n");
return count;
}
if (input_reg_offset > res_size) {
dev_err(dev, "the reg offset is invalid! [0x0 - 0x%x]\n",
res_size);
return count;
}
if (rw_flag) {
regmap_write(mem_info->regmap, input_reg_offset,
input_reg_val);
}
regmap_read(mem_info->regmap, input_reg_offset, &reg_val_read);
pr_err("\n\n Reg[0x%x] : 0x%x\n\n", input_reg_offset, reg_val_read);
} else {
pr_err("ret:%d, The num of params invalid!\n", ret);
pr_err("\nExample(reg range: 0x0 - 0x%x):\n", res_size);
pr_err("\nRead reg[0x04]:\n");
pr_err(" echo 0,0x04 > daudio_reg\n");
pr_err("Write reg[0x04]=0x10\n");
pr_err(" echo 1,0x04,0x10 > daudio_reg\n");
}
return count;
}
static DEVICE_ATTR(daudio_reg, 0644, show_daudio_reg, store_daudio_reg);
static struct attribute *audio_debug_attrs[] = {
&dev_attr_daudio_reg.attr,
NULL,
};
static struct attribute_group daudio_debug_attr_group = {
.name = "daudio_debug",
.attrs = audio_debug_attrs,
};
#endif
/* dts pcm Audio Mode Select */
static const struct snd_kcontrol_new sunxi_hifi_daudio_controls[] = {
SOC_SINGLE("sunxi daudio loopback debug", SUNXI_DAUDIO_CTL,
LOOP_EN, 1, 0),
};
static int sunxi_hifi_daudio_init(struct sunxi_daudio_info *sunxi_daudio,
struct snd_soc_dai *dai)
{
struct sunxi_daudio_dts_info *dts_info = &sunxi_daudio->dts_info;
struct sunxi_daudio_platform_data *pdata_info = &dts_info->pdata_info;
struct msg_substream_package *msg_playback = &sunxi_daudio->msg_playback;
struct msg_substream_package *msg_capture = &sunxi_daudio->msg_capture;
struct msg_mixer_package *msg_mixer = &sunxi_daudio->msg_mixer;
// struct snd_soc_dsp_mixer *soc_mixer = &msg_mixer->soc_mixer;
struct msg_debug_package *msg_debug = &sunxi_daudio->msg_debug;
// struct snd_soc_dsp_debug *soc_debug = &msg_debug->soc_debug;
struct snd_dsp_component *dsp_component;
struct msg_component_package *msg_component;
// struct snd_soc_dsp_component *soc_component;
struct snd_soc_dsp_substream *soc_substream;
struct snd_soc_dsp_pcm_params *pcm_params;
int ret = 0;
sunxi_daudio->cpu_dai = dai;
if (sunxi_daudio->playback_dma_param.cma_kbytes != 0) {
/* init for playback */
init_waitqueue_head(&msg_playback->tsleep);
spin_lock_init(&msg_playback->lock);
msg_playback->wakeup_flag = 0;
soc_substream = &msg_playback->soc_substream;
pcm_params = &soc_substream->params;
/* 1:capture; 0:playback */
pcm_params->stream = SND_STREAM_PLAYBACK;
pcm_params->card = pdata_info->dsp_card;
pcm_params->device = pdata_info->dsp_device;
/*
* 根据名字匹配(delete: hw:):
* 0: hw:audiocodec;
* 1: hw:snddmic;
* 2: hw:snddaudio0;
*/
snprintf(pcm_params->driver, 31, "snddaudio%d", pdata_info->dsp_daudio);
/* dma buffer alloc */
sunxi_dma_params_alloc_dma_area(dai, &sunxi_daudio->playback_dma_param);
if (!sunxi_daudio->playback_dma_param.dma_area) {
dev_err(dai->dev, "playback dmaengine alloc coherent failed.\n");
ret = -ENOMEM;
goto err_dma_alloc_playback;
}
/* init for playback component */
dsp_component = &sunxi_daudio->dsp_playcomp;
msg_component = &dsp_component->msg_component;
init_waitqueue_head(&msg_component->tsleep);
spin_lock_init(&msg_component->lock);
msg_component->wakeup_flag = 0;
}
if (sunxi_daudio->capture_dma_param.cma_kbytes != 0) {
/* init for capture */
init_waitqueue_head(&msg_capture->tsleep);
spin_lock_init(&msg_capture->lock);
msg_capture->wakeup_flag = 0;
soc_substream = &msg_capture->soc_substream;
pcm_params = &soc_substream->params;
pcm_params->stream = SND_STREAM_CAPTURE;
pcm_params->card = pdata_info->dsp_card;
pcm_params->device = pdata_info->dsp_device;
snprintf(pcm_params->driver, 31, "snddaudio%d", pdata_info->dsp_daudio);
/* dma buffer alloc */
sunxi_dma_params_alloc_dma_area(dai, &sunxi_daudio->capture_dma_param);
if (!sunxi_daudio->capture_dma_param.dma_area) {
dev_err(dai->dev, "capture dmaengine alloc coherent failed.\n");
ret = -ENOMEM;
goto err_dma_alloc_capture;
}
/* init for capture component */
dsp_component = &sunxi_daudio->dsp_capcomp;
msg_component = &dsp_component->msg_component;
init_waitqueue_head(&msg_component->tsleep);
spin_lock_init(&msg_component->lock);
msg_component->wakeup_flag = 0;
/* init for mixer */
init_waitqueue_head(&msg_mixer->tsleep);
spin_lock_init(&msg_mixer->lock);
msg_mixer->wakeup_flag = 0;
/* init for debug */
init_waitqueue_head(&msg_debug->tsleep);
spin_lock_init(&msg_debug->lock);
msg_debug->wakeup_flag = 0;
}
/* register sunxi_daudio_info to rpmsg_hifi driver */
sunxi_hifi_register_sound_drv_info(pcm_params->driver, sunxi_daudio);
/* pdata_info */
return 0;
err_dma_alloc_capture:
sunxi_dma_params_free_dma_area(dai, &sunxi_daudio->playback_dma_param);
err_dma_alloc_playback:
return ret;
}
static int sunxi_hifi_daudio_uninit(struct sunxi_daudio_info *sunxi_daudio,
struct snd_soc_dai *dai)
{
struct msg_substream_package *msg_substream;
struct snd_soc_dsp_substream *soc_substream;
sunxi_dma_params_free_dma_area(dai, &sunxi_daudio->playback_dma_param);
sunxi_dma_params_free_dma_area(dai, &sunxi_daudio->capture_dma_param);
msg_substream = &sunxi_daudio->msg_playback;
soc_substream = &msg_substream->soc_substream;
/* for unregister sunxi_daudio_info from rpmsg_hifi driver */
sunxi_hifi_unregister_sound_drv_info(soc_substream->params.driver, sunxi_daudio);
return 0;
}
static int sunxi_hifi_daudio_dai_startup(struct snd_pcm_substream *substream,
struct snd_soc_dai *dai)
{
struct sunxi_daudio_info *sunxi_daudio = snd_soc_dai_get_drvdata(dai);
struct msg_substream_package *msg_substream;
struct snd_soc_dsp_substream *soc_substream;
struct mutex *rpmsg_mutex;
int ret = 0;
if (IS_ERR_OR_NULL(sunxi_daudio)) {
dev_err(dai->dev, "[%s] sunxi_daudio is NULL!\n", __func__);
return -ENOMEM;
}
if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
snd_soc_dai_set_dma_data(dai, substream,
&sunxi_daudio->playback_dma_param);
msg_substream = &sunxi_daudio->msg_playback;
rpmsg_mutex = &sunxi_daudio->rpmsg_mutex_playback;
sunxi_daudio->playing = 0;
soc_substream = &msg_substream->soc_substream;
soc_substream->output_addr = sunxi_daudio->playback_dma_param.phy_addr;
dev_dbg(dai->dev, "coherent phy_addr:0x%x\n", soc_substream->output_addr);
} else {
snd_soc_dai_set_dma_data(dai, substream,
&sunxi_daudio->capture_dma_param);
msg_substream = &sunxi_daudio->msg_capture;
rpmsg_mutex = &sunxi_daudio->rpmsg_mutex_capture;
sunxi_daudio->capturing = 0;
soc_substream = &msg_substream->soc_substream;
soc_substream->input_addr = sunxi_daudio->capture_dma_param.phy_addr;
dev_dbg(dai->dev, "coherent phy_addr:0x%x\n", soc_substream->input_addr);
}
msg_substream->substream = substream;
/* 发送给msgbox to dsp */
mutex_lock(rpmsg_mutex);
awrpaf_debug("\n");
soc_substream->cmd_val = SND_SOC_DSP_PCM_STARTUP;
ret = sunxi_hifi_daudio_substream_block_send(SUNXI_HIFI0, substream, dai,
substream->stream, MSGBOX_SOC_DSP_AUDIO_PCM_COMMAND);
__dma_flush_range(soc_substream, sizeof(struct snd_soc_dsp_substream));
mutex_unlock(rpmsg_mutex);
if (ret < 0) {
dev_err(dai->dev, "cpudai send failed.\n");
soc_substream->cmd_val = SND_SOC_DSP_PCM_SHUTDOWN;
__dma_flush_range(soc_substream, sizeof(struct snd_soc_dsp_substream));
sunxi_hifi_daudio_substream_block_send(SUNXI_HIFI0, substream, dai,
substream->stream, MSGBOX_SOC_DSP_AUDIO_PCM_COMMAND);
return ret;
}
return soc_substream->ret_val;
}
static int sunxi_hifi_daudio_hw_params(struct snd_pcm_substream *substream,
struct snd_pcm_hw_params *params, struct snd_soc_dai *dai)
{
struct sunxi_daudio_info *sunxi_daudio = snd_soc_dai_get_drvdata(dai);
struct msg_substream_package *msg_substream;
struct snd_soc_dsp_substream *soc_substream;
struct snd_soc_dsp_pcm_params *pcm_params;
struct sunxi_daudio_dts_info *dts_info = NULL;
struct sunxi_daudio_mem_info *mem_info = NULL;
struct sunxi_daudio_platform_data *pdata_info = NULL;
unsigned int frame_bytes;
unsigned int sample_bits;
struct mutex *rpmsg_mutex;
int ret = 0;
if (IS_ERR_OR_NULL(sunxi_daudio)) {
dev_err(dai->dev, "[%s] sunxi_daudio is null.\n", __func__);
return -ENOMEM;
}
dts_info = &sunxi_daudio->dts_info;
mem_info = &dts_info->mem_info;
pdata_info = &dts_info->pdata_info;
if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
msg_substream = &sunxi_daudio->msg_playback;
rpmsg_mutex = &sunxi_daudio->rpmsg_mutex_playback;
} else {
msg_substream = &sunxi_daudio->msg_capture;
rpmsg_mutex = &sunxi_daudio->rpmsg_mutex_capture;
}
soc_substream = &msg_substream->soc_substream;
mutex_lock(rpmsg_mutex);
pcm_params = &soc_substream->params;
switch (params_format(params)) {
case SNDRV_PCM_FORMAT_S16_LE:
pcm_params->format = SND_PCM_FORMAT_S16_LE;
sample_bits = 16;
break;
case SNDRV_PCM_FORMAT_S24_LE:
pcm_params->format = SND_PCM_FORMAT_S24_LE;
sample_bits = 32;
break;
case SNDRV_PCM_FORMAT_S32_LE:
pcm_params->format = SND_PCM_FORMAT_S32_LE;
sample_bits = 32;
break;
default:
mutex_unlock(rpmsg_mutex);
dev_err(sunxi_daudio->dev, "unrecognized format\n");
return -EINVAL;
}
pcm_params->channels = params_channels(params);
pcm_params->rate = params_rate(params);
pcm_params->period_size = params_period_size(params);
pcm_params->periods = params_periods(params);
pcm_params->pcm_frames = pcm_params->period_size;
/* 在流中buffer务必一致大小, 代码中务必检查! */
pcm_params->buffer_size = params_buffer_size(params);
frame_bytes = pcm_params->channels * sample_bits / 8;
dev_info(sunxi_daudio->dev, "======== hw_params ========\n");
dev_info(sunxi_daudio->dev, "pcm_params->format:%u\n", pcm_params->format);
dev_info(sunxi_daudio->dev, "pcm_params->channels:%u\n", pcm_params->channels);
dev_info(sunxi_daudio->dev, "pcm_params->rate:%u\n", pcm_params->rate);
dev_info(sunxi_daudio->dev, "pcm_params->period_size:%u\n", pcm_params->period_size);
dev_info(sunxi_daudio->dev, "pcm_params->periods:%u\n", pcm_params->periods);
dev_info(sunxi_daudio->dev, "pcm_params->pcm_frames:%u\n", pcm_params->pcm_frames);
dev_info(sunxi_daudio->dev, "pcm_params->buffer_size:%u\n", pcm_params->buffer_size);
dev_info(sunxi_daudio->dev, "===========================\n");
soc_substream->input_size = pcm_params->period_size * frame_bytes;
soc_substream->output_size = pcm_params->period_size * frame_bytes;
if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
struct snd_dsp_component *dsp_component = &sunxi_daudio->dsp_playcomp;
struct msg_component_package *msg_component = &dsp_component->msg_component;
struct snd_soc_dsp_component *soc_component = &msg_component->soc_component;
soc_component->component_type = playback_component_type;
ret = sunxi_hifi_substream_set_stream_component(SUNXI_HIFI0,
dai, soc_substream, dsp_component);
if (ret < 0) {
dev_err(dai->dev, "set stream component send failed.\n");
return ret;
}
} else {
struct snd_dsp_component *dsp_component = &sunxi_daudio->dsp_capcomp;
struct msg_component_package *msg_component = &dsp_component->msg_component;
struct snd_soc_dsp_component *soc_component = &msg_component->soc_component;
soc_component->component_type = capture_component_type;
ret = sunxi_hifi_substream_set_stream_component(SUNXI_HIFI0,
dai, soc_substream, dsp_component);
if (ret < 0) {
dev_err(dai->dev, "set stream component send failed.\n");
return ret;
}
}
/* 发送给msgbox to dsp */
soc_substream->cmd_val = SND_SOC_DSP_PCM_HW_PARAMS;
awrpaf_debug("\n");
ret = sunxi_hifi_daudio_substream_block_send(SUNXI_HIFI0, substream, dai,
substream->stream, MSGBOX_SOC_DSP_AUDIO_PCM_COMMAND);
__dma_flush_range(soc_substream, sizeof(struct snd_soc_dsp_substream));
mutex_unlock(rpmsg_mutex);
if (ret < 0) {
dev_err(dai->dev, "cpudai send failed.\n");
return ret;
}
return soc_substream->ret_val;
}
static int sunxi_hifi_daudio_prepare(struct snd_pcm_substream *substream,
struct snd_soc_dai *dai)
{
struct sunxi_daudio_info *sunxi_daudio = snd_soc_dai_get_drvdata(dai);
struct msg_substream_package *msg_substream;
struct snd_soc_dsp_substream *soc_substream;
struct mutex *rpmsg_mutex;
int ret = 0;
if (IS_ERR_OR_NULL(sunxi_daudio)) {
dev_err(dai->dev, "[%s] sunxi_daudio is null.\n", __func__);
return -ENOMEM;
}
if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
msg_substream = &sunxi_daudio->msg_playback;
rpmsg_mutex = &sunxi_daudio->rpmsg_mutex_playback;
/* wait for stop playback */
while (sunxi_daudio->playing)
msleep(20);
} else {
msg_substream = &sunxi_daudio->msg_capture;
rpmsg_mutex = &sunxi_daudio->rpmsg_mutex_capture;
/* wait for stop capture */
while (sunxi_daudio->capturing)
msleep(20);
}
soc_substream = &msg_substream->soc_substream;
/* 发送给msgbox to dsp */
mutex_lock(rpmsg_mutex);
awrpaf_debug("\n");
soc_substream->cmd_val = SND_SOC_DSP_PCM_PREPARE;
ret = sunxi_hifi_daudio_substream_block_send(SUNXI_HIFI0, substream, dai,
substream->stream, MSGBOX_SOC_DSP_AUDIO_PCM_COMMAND);
__dma_flush_range(soc_substream, sizeof(struct snd_soc_dsp_substream));
mutex_unlock(rpmsg_mutex);
if (ret < 0) {
dev_err(dai->dev, "cpudai send failed.\n");
return ret;
}
return soc_substream->ret_val;
}
static int sunxi_hifi_daudio_trigger(struct snd_pcm_substream *substream,
int cmd, struct snd_soc_dai *dai)
{
struct sunxi_daudio_info *sunxi_daudio = snd_soc_dai_get_drvdata(dai);
struct msg_substream_package *msg_substream;
struct snd_soc_dsp_substream *soc_substream;
struct work_struct *trigger_work;
struct workqueue_struct *wq_pcm;
switch (cmd) {
case SNDRV_PCM_TRIGGER_START:
case SNDRV_PCM_TRIGGER_RESUME:
case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
msg_substream = &sunxi_daudio->msg_playback;
soc_substream = &msg_substream->soc_substream;
soc_substream->cmd_val = SND_SOC_DSP_PCM_WRITEI;
trigger_work = &sunxi_daudio->trigger_work_playback;
wq_pcm = sunxi_daudio->wq_playback;
} else {
msg_substream = &sunxi_daudio->msg_capture;
soc_substream = &msg_substream->soc_substream;
soc_substream->cmd_val = SND_SOC_DSP_PCM_READI;
trigger_work = &sunxi_daudio->trigger_work_capture;
wq_pcm = sunxi_daudio->wq_capture;
}
break;
case SNDRV_PCM_TRIGGER_STOP:
case SNDRV_PCM_TRIGGER_SUSPEND:
case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
if ((substream->stream == SNDRV_PCM_STREAM_PLAYBACK) &&
(substream->runtime->status->state == SNDRV_PCM_STATE_DRAINING)) {
dev_info(dai->dev, "drain stopping\n");
return 0;
}
if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
msg_substream = &sunxi_daudio->msg_playback;
trigger_work = &sunxi_daudio->trigger_work_playback;
wq_pcm = sunxi_daudio->wq_playback;
} else {
msg_substream = &sunxi_daudio->msg_capture;
trigger_work = &sunxi_daudio->trigger_work_capture;
wq_pcm = sunxi_daudio->wq_capture;
}
soc_substream = &msg_substream->soc_substream;
soc_substream->cmd_val = SND_SOC_DSP_PCM_STOP;
break;
case SNDRV_PCM_TRIGGER_DRAIN:
if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
msg_substream = &sunxi_daudio->msg_playback;
trigger_work = &sunxi_daudio->trigger_work_playback;
wq_pcm = sunxi_daudio->wq_playback;
soc_substream = &msg_substream->soc_substream;
soc_substream->cmd_val = SND_SOC_DSP_PCM_DRAIN;
dev_info(dai->dev, "drain starting\n");
}
break;
default:
return -EINVAL;
}
queue_work(wq_pcm, trigger_work);
return 0;
}
static void sunxi_hifi_daudio_shutdown(struct snd_pcm_substream *substream,
struct snd_soc_dai *dai)
{
struct sunxi_daudio_info *sunxi_daudio = snd_soc_dai_get_drvdata(dai);
struct msg_substream_package *msg_substream;
struct snd_soc_dsp_substream *soc_substream;
struct snd_dsp_component *dsp_component;
struct mutex *rpmsg_mutex;
unsigned int *work_running;
int i = 0;
if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
msg_substream = &sunxi_daudio->msg_playback;
rpmsg_mutex = &sunxi_daudio->rpmsg_mutex_playback;
work_running = &sunxi_daudio->playing;
} else {
msg_substream = &sunxi_daudio->msg_capture;
rpmsg_mutex = &sunxi_daudio->rpmsg_mutex_capture;
work_running = &sunxi_daudio->capturing;
}
soc_substream = &msg_substream->soc_substream;
awrpaf_debug("\n");
for (i = 0; i < 50; i++) {
if (*work_running == 0)
break;
msleep(20);
}
awrpaf_debug("\n");
if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
dsp_component = &sunxi_daudio->dsp_playcomp;
else
dsp_component = &sunxi_daudio->dsp_capcomp;
sunxi_hifi_substream_release_stream_component(dai, dsp_component);
/* 发送给msgbox to dsp */
mutex_lock(rpmsg_mutex);
soc_substream->cmd_val = SND_SOC_DSP_PCM_SHUTDOWN;
sunxi_hifi_daudio_substream_block_send(SUNXI_HIFI0, substream, dai,
substream->stream, MSGBOX_SOC_DSP_AUDIO_PCM_COMMAND);
__dma_flush_range(soc_substream, sizeof(struct snd_soc_dsp_substream));
mutex_unlock(rpmsg_mutex);
msg_substream->substream = NULL;
}
static struct snd_soc_dai_ops sunxi_hifi_daudio_dai_ops = {
.startup = sunxi_hifi_daudio_dai_startup,
.hw_params = sunxi_hifi_daudio_hw_params,
.prepare = sunxi_hifi_daudio_prepare,
.trigger = sunxi_hifi_daudio_trigger,
.shutdown = sunxi_hifi_daudio_shutdown,
};
static int sunxi_hifi_daudio_probe(struct snd_soc_dai *dai)
{
struct sunxi_daudio_info *sunxi_daudio = snd_soc_dai_get_drvdata(dai);
struct msg_substream_package *msg_capture = &sunxi_daudio->msg_capture;
struct msg_substream_package *msg_playback = &sunxi_daudio->msg_playback;
struct snd_soc_dsp_substream *soc_substream;
int ret = 0;
/* pcm_new will using the dma_param about the cma and fifo params. */
snd_soc_dai_init_dma_data(dai, &sunxi_daudio->playback_dma_param,
&sunxi_daudio->capture_dma_param);
sunxi_hifi_daudio_init(sunxi_daudio, dai);
dev_info(dai->dev, "%s start.\n", __func__);
/* 发送给msgbox to dsp */
if (sunxi_daudio->playback_dma_param.cma_kbytes != 0) {
/* for playback */
soc_substream = &msg_playback->soc_substream;
soc_substream->cmd_val = SND_SOC_DSP_PCM_PROBE;
ret = sunxi_hifi_daudio_substream_block_send(SUNXI_HIFI0, NULL, dai,
SNDRV_PCM_STREAM_PLAYBACK,
MSGBOX_SOC_DSP_AUDIO_PCM_COMMAND);
__dma_flush_range(soc_substream, sizeof(struct snd_soc_dsp_substream));
if (ret < 0) {
dev_err(dai->dev, "%s probe playback failed.\n", __func__);
goto err_probe_playback;
} else if (soc_substream->ret_val < 0) {
dev_err(dai->dev, "%s probe playback dsp failed.\n", __func__);
ret = soc_substream->ret_val;
goto err_probe_playback;
}
}
dev_info(dai->dev, "process.\n");
if (sunxi_daudio->capture_dma_param.cma_kbytes != 0) {
/* for capture */
soc_substream = &msg_capture->soc_substream;
soc_substream->cmd_val = SND_SOC_DSP_PCM_PROBE;
ret = sunxi_hifi_daudio_substream_block_send(SUNXI_HIFI0, NULL, dai,
SNDRV_PCM_STREAM_CAPTURE,
MSGBOX_SOC_DSP_AUDIO_PCM_COMMAND);
__dma_flush_range(soc_substream, sizeof(struct snd_soc_dsp_substream));
if (ret < 0) {
dev_err(dai->dev, "%s probe capture failed.\n", __func__);
goto err_probe_capture;
} else if (soc_substream->ret_val < 0) {
dev_err(dai->dev, "%s probe capture dsp failed.\n", __func__);
ret = soc_substream->ret_val;
goto err_probe_capture;
}
}
dev_info(dai->dev, "%s stop.\n", __func__);
return soc_substream->ret_val;
err_probe_capture:
err_probe_playback:
sunxi_hifi_daudio_uninit(sunxi_daudio, dai);
return ret;
}
static int sunxi_hifi_daudio_remove(struct snd_soc_dai *dai)
{
struct sunxi_daudio_info *sunxi_daudio = snd_soc_dai_get_drvdata(dai);
struct msg_substream_package *msg_capture = &sunxi_daudio->msg_capture;
struct msg_substream_package *msg_playback = &sunxi_daudio->msg_playback;
struct snd_soc_dsp_substream *soc_substream;
int ret = 0;
dev_info(dai->dev, "%s start.\n", __func__);
/* for playback */
soc_substream = &msg_playback->soc_substream;
soc_substream->cmd_val = SND_SOC_DSP_PCM_REMOVE;
ret = sunxi_hifi_daudio_substream_block_send(SUNXI_HIFI0, NULL, dai,
SNDRV_PCM_STREAM_PLAYBACK,
MSGBOX_SOC_DSP_AUDIO_PCM_COMMAND);
if (ret < 0)
dev_err(dai->dev, "remove send for playback failed.\n");
/* for capture */
soc_substream = &msg_capture->soc_substream;
soc_substream->cmd_val = SND_SOC_DSP_PCM_REMOVE;
ret = sunxi_hifi_daudio_substream_block_send(SUNXI_HIFI0, NULL, dai,
SNDRV_PCM_STREAM_CAPTURE,
MSGBOX_SOC_DSP_AUDIO_PCM_COMMAND);
if (ret < 0)
dev_err(dai->dev, "remove send for capture failed.\n");
sunxi_hifi_daudio_uninit(sunxi_daudio, dai);
dev_info(dai->dev, "%s stop.\n", __func__);
return ret;
}
static int sunxi_hifi_daudio_suspend(struct snd_soc_dai *dai)
{
struct sunxi_daudio_info *sunxi_daudio = snd_soc_dai_get_drvdata(dai);
struct msg_substream_package *msg_capture = &sunxi_daudio->msg_capture;
struct snd_soc_dsp_substream *soc_substream = &msg_capture->soc_substream;
pr_debug("[daudio] suspend .%s start\n", dev_name(sunxi_daudio->dev));
/* only for capture */
soc_substream->cmd_val = SND_SOC_DSP_PCM_SUSPEND;
sunxi_hifi_daudio_substream_block_send(SUNXI_HIFI0, NULL, dai,
SNDRV_PCM_STREAM_CAPTURE,
MSGBOX_SOC_DSP_AUDIO_PCM_COMMAND);
__dma_flush_range(soc_substream, sizeof(struct snd_soc_dsp_substream));
pr_debug("[daudio] suspend .%s end \n", dev_name(sunxi_daudio->dev));
return 0;
}
static int sunxi_hifi_daudio_resume(struct snd_soc_dai *dai)
{
struct sunxi_daudio_info *sunxi_daudio = snd_soc_dai_get_drvdata(dai);
struct msg_substream_package *msg_capture = &sunxi_daudio->msg_capture;
struct snd_soc_dsp_substream *soc_substream = &msg_capture->soc_substream;
pr_debug("[%s] resume .%s start\n", __func__,
dev_name(sunxi_daudio->dev));
/* only for capture */
soc_substream->cmd_val = SND_SOC_DSP_PCM_RESUME;
sunxi_hifi_daudio_substream_block_send(SUNXI_HIFI0, NULL, dai,
SNDRV_PCM_STREAM_CAPTURE,
MSGBOX_SOC_DSP_AUDIO_PCM_COMMAND);
__dma_flush_range(soc_substream, sizeof(struct snd_soc_dsp_substream));
pr_debug("[%s] resume .%s end\n", __func__,
dev_name(sunxi_daudio->dev));
return 0;
}
static struct snd_soc_dai_driver sunxi_hifi_daudio_dai = {
.probe = sunxi_hifi_daudio_probe,
.suspend = sunxi_hifi_daudio_suspend,
.resume = sunxi_hifi_daudio_resume,
.remove = sunxi_hifi_daudio_remove,
.playback = {
.channels_min = 1,
.channels_max = 8,
.rates = SUNXI_DAUDIO_RATES,
.formats = SNDRV_PCM_FMTBIT_S16_LE
| SNDRV_PCM_FMTBIT_S32_LE,
},
.capture = {
.channels_min = 1,
.channels_max = 8,
.rates = SUNXI_DAUDIO_RATES,
.formats = SNDRV_PCM_FMTBIT_S16_LE
| SNDRV_PCM_FMTBIT_S32_LE,
},
.ops = &sunxi_hifi_daudio_dai_ops,
};
static const struct snd_soc_component_driver sunxi_hifi_daudio_component = {
.name = DRV_NAME,
.controls = sunxi_hifi_daudio_controls,
.num_controls = ARRAY_SIZE(sunxi_hifi_daudio_controls),
};
static struct sunxi_daudio_platform_data sunxi_hifi_daudio_pdata = {
.daudio_type = SUNXI_DAUDIO_EXTERNAL_TYPE,
.pcm_lrck_period = 128,
.msb_lsb_first = 0,
.sign_extend = 0,
.tx_data_mode = 0,
.rx_data_mode = 0,
.slot_width_select = 32,
.frame_type = 0,
.tdm_config = 1,
.mclk_div = 0,
};
static const struct of_device_id sunxi_hifi_daudio_of_match[] = {
{
.compatible = "allwinner,sunxi-hifi-daudio",
.data = &sunxi_hifi_daudio_pdata,
},
{},
};
MODULE_DEVICE_TABLE(of, sunxi_hifi_daudio_of_match);
static struct regmap_config sunxi_daudio_regmap_config = {
.reg_bits = 32,
.reg_stride = 4,
.val_bits = 32,
.max_register = SUNXI_DAUDIO_REG_MAX,
.cache_type = REGCACHE_NONE,
};
static void trigger_work_playback_func(struct work_struct *work)
{
struct sunxi_daudio_info *sunxi_daudio =
container_of(work, struct sunxi_daudio_info, trigger_work_playback);
struct msg_substream_package *msg_substream = &sunxi_daudio->msg_playback;
struct snd_pcm_substream *substream = msg_substream->substream;
struct snd_soc_dsp_substream *soc_substream = &msg_substream->soc_substream;
struct snd_pcm_runtime *runtime = substream->runtime;
unsigned int pos = 0;
int ret = 0;
for (;;) {
mutex_lock(&sunxi_daudio->rpmsg_mutex_playback);
if (soc_substream->cmd_val == SND_SOC_DSP_PCM_WRITEI) {
snd_pcm_stream_lock_irq(substream);
if (runtime->status->state != SNDRV_PCM_STATE_RUNNING) {
dev_warn(sunxi_daudio->cpu_dai->dev, "%s state:%d\n",
__func__, runtime->status->state);
snd_pcm_stream_unlock_irq(substream);
mutex_unlock(&sunxi_daudio->rpmsg_mutex_playback);
break;
}
sunxi_daudio->playing = 1;
/* update the capture soc_substream output addr */
pos = snd_dmaengine_pcm_pointer_no_residue(substream);
soc_substream->input_addr = runtime->dma_addr + frames_to_bytes(runtime, pos);
snd_pcm_stream_unlock_irq(substream);
dev_dbg(sunxi_daudio->cpu_dai->dev,
"[%s] dma_addr:0x%llx, pos:%u, input_addr:0x%x\n",
__func__, runtime->dma_addr, pos, soc_substream->input_addr);
ret = sunxi_hifi_daudio_substream_block_send(SUNXI_HIFI0,
substream, sunxi_daudio->cpu_dai,
SNDRV_PCM_STREAM_PLAYBACK, MSGBOX_SOC_DSP_AUDIO_PCM_COMMAND);
__dma_flush_range(soc_substream, sizeof(struct snd_soc_dsp_substream));
mutex_unlock(&sunxi_daudio->rpmsg_mutex_playback);
/* 拷贝并发送通知component */
snd_soc_rpaf_pcm_update_stream_process(&sunxi_daudio->dsp_playcomp);
if (ret != 0) {
dev_err(sunxi_daudio->cpu_dai->dev,
"%s state:%d, ret=%d\n", __func__, runtime->status->state, ret);
}
if (runtime->status->state == SNDRV_PCM_STATE_RUNNING) {
queue_work(sunxi_daudio->wq_playback, &sunxi_daudio->trigger_work_playback);
}
break;
} else if (soc_substream->cmd_val == SND_SOC_DSP_PCM_STOP) {
awrpaf_debug("\n");
/* send to dsp */
sunxi_hifi_daudio_substream_block_send(SUNXI_HIFI0,
substream, sunxi_daudio->cpu_dai,
SNDRV_PCM_STREAM_PLAYBACK, MSGBOX_SOC_DSP_AUDIO_PCM_COMMAND);
__dma_flush_range(soc_substream, sizeof(struct snd_soc_dsp_substream));
sunxi_daudio->playing = 0;
mutex_unlock(&sunxi_daudio->rpmsg_mutex_playback);
break;
} else if (soc_substream->cmd_val == SND_SOC_DSP_PCM_DRAIN) {
awrpaf_debug("\n");
/* send to dsp */
sunxi_hifi_daudio_substream_block_send(SUNXI_HIFI0,
substream, sunxi_daudio->cpu_dai,
SNDRV_PCM_STREAM_PLAYBACK, MSGBOX_SOC_DSP_AUDIO_PCM_COMMAND);
__dma_flush_range(soc_substream, sizeof(struct snd_soc_dsp_substream));
snd_pcm_stream_lock_irq(substream);
snd_pcm_drain_done(substream);
snd_pcm_update_state(substream, runtime);
sunxi_daudio->playing = 0;
snd_pcm_stream_unlock_irq(substream);
awrpaf_debug("\n");
mutex_unlock(&sunxi_daudio->rpmsg_mutex_playback);
break;
}
mutex_unlock(&sunxi_daudio->rpmsg_mutex_playback);
}
}
static void trigger_work_capture_func(struct work_struct *work)
{
struct sunxi_daudio_info *sunxi_daudio =
container_of(work, struct sunxi_daudio_info, trigger_work_capture);
struct msg_substream_package *msg_substream = &sunxi_daudio->msg_capture;
struct snd_soc_dsp_substream *soc_substream = &msg_substream->soc_substream;
struct snd_pcm_substream *substream = msg_substream->substream;
struct snd_pcm_runtime *runtime = substream->runtime;
unsigned int pos = 0;
int ret = 0;
for (;;) {
mutex_lock(&sunxi_daudio->rpmsg_mutex_capture);
if (soc_substream->cmd_val == SND_SOC_DSP_PCM_READI) {
snd_pcm_stream_lock_irq(substream);
if (runtime->status->state != SNDRV_PCM_STATE_RUNNING) {
dev_err(sunxi_daudio->cpu_dai->dev,
"%s state:%d\n", __func__, runtime->status->state);
snd_pcm_stream_unlock_irq(substream);
mutex_unlock(&sunxi_daudio->rpmsg_mutex_capture);
break;
}
sunxi_daudio->capturing = 1;
/* update the capture soc_substream output addr */
pos = snd_dmaengine_pcm_pointer_no_residue(substream);
soc_substream->output_addr = runtime->dma_addr + frames_to_bytes(runtime, pos);
snd_pcm_stream_unlock_irq(substream);
dev_dbg(sunxi_daudio->cpu_dai->dev,
"[%s] dma_addr:0x%llx, pos:%u, output_addr:0x%x\n",
__func__, runtime->dma_addr, pos, soc_substream->output_addr);
/* send to dsp */
ret = sunxi_hifi_daudio_substream_block_send(SUNXI_HIFI0,
substream, sunxi_daudio->cpu_dai,
SNDRV_PCM_STREAM_CAPTURE, MSGBOX_SOC_DSP_AUDIO_PCM_COMMAND);
__dma_flush_range(soc_substream, sizeof(struct snd_soc_dsp_substream));
mutex_unlock(&sunxi_daudio->rpmsg_mutex_capture);
/* 拷贝并发送通知component */
snd_soc_rpaf_pcm_update_stream_process(&sunxi_daudio->dsp_capcomp);
if (ret != 0) {
dev_err(sunxi_daudio->cpu_dai->dev,
"%s state:%d, ret=%d\n", __func__, runtime->status->state, ret);
}
if (runtime->status->state == SNDRV_PCM_STATE_RUNNING) {
queue_work(sunxi_daudio->wq_capture, &sunxi_daudio->trigger_work_capture);
}
break;
} else if (soc_substream->cmd_val == SND_SOC_DSP_PCM_STOP) {
awrpaf_debug("\n");
/* send to dsp */
sunxi_hifi_daudio_substream_block_send(SUNXI_HIFI0,
substream, sunxi_daudio->cpu_dai,
SNDRV_PCM_STREAM_CAPTURE, MSGBOX_SOC_DSP_AUDIO_PCM_COMMAND);
__dma_flush_range(soc_substream, sizeof(struct snd_soc_dsp_substream));
sunxi_daudio->capturing = 0;
mutex_unlock(&sunxi_daudio->rpmsg_mutex_capture);
break;
}
mutex_unlock(&sunxi_daudio->rpmsg_mutex_capture);
}
}
static int sunxi_hifi_daudio_dev_probe(struct platform_device *pdev)
{
const struct of_device_id *match = NULL;
struct sunxi_daudio_info *sunxi_daudio = NULL;
struct sunxi_daudio_dts_info *dts_info = NULL;
struct sunxi_daudio_mem_info *mem_info = NULL;
struct sunxi_daudio_platform_data *pdata_info = NULL;
struct daudio_voltage_supply *vol_supply = NULL;
struct device_node *np = pdev->dev.of_node;
unsigned int temp_val;
int ret;
dev_info(&pdev->dev, "%s start.\n", __func__);
match = of_match_device(sunxi_hifi_daudio_of_match, &pdev->dev);
if (match) {
sunxi_daudio = devm_kzalloc(&pdev->dev,
sizeof(struct sunxi_daudio_info),
GFP_KERNEL);
if (IS_ERR_OR_NULL(sunxi_daudio)) {
dev_err(&pdev->dev, "alloc sunxi_daudio failed\n");
ret = -ENOMEM;
goto err_devm_malloc_sunxi_daudio;
}
dev_set_drvdata(&pdev->dev, sunxi_daudio);
sunxi_daudio->dev = &pdev->dev;
dts_info = &sunxi_daudio->dts_info;
mem_info = &dts_info->mem_info;
pdata_info = &dts_info->pdata_info;
vol_supply = &dts_info->vol_supply;
memcpy(pdata_info, match->data,
sizeof(struct sunxi_daudio_platform_data));
} else {
dev_err(&pdev->dev, "node match failed\n");
return -EINVAL;
}
ret = of_address_to_resource(np, 0, &(mem_info->res));
if (ret) {
dev_err(&pdev->dev, "parse device node resource failed\n");
ret = -EINVAL;
goto err_of_addr_to_resource;
}
switch (pdata_info->daudio_type) {
case SUNXI_DAUDIO_EXTERNAL_TYPE:
ret = of_property_read_u32(np, "tdm_num", &temp_val);
if (ret < 0) {
dev_warn(&pdev->dev, "tdm configuration missing\n");
/*
* warnning just continue,
* making tdm_num as default setting
*/
pdata_info->tdm_num = 0;
} else {
/*
* FIXME, for channel number mess,
* so just not check channel overflow
*/
pdata_info->tdm_num = temp_val;
}
ret = of_property_read_u32(np, "playback_cma", &temp_val);
if (ret < 0) {
dev_warn(&pdev->dev, "playback cma kbytes config missing or invalid.\n");
dts_info->playback_cma = SUNXI_AUDIO_CMA_MAX_KBYTES;
} else {
if (temp_val > SUNXI_AUDIO_CMA_MAX_KBYTES)
temp_val = SUNXI_AUDIO_CMA_MAX_KBYTES;
dts_info->playback_cma = temp_val;
}
ret = of_property_read_u32(np, "capture_cma", &temp_val);
if (ret != 0) {
dev_warn(&pdev->dev, "capture cma kbytes config missing or invalid.\n");
dts_info->capture_cma = SUNXI_AUDIO_CMA_MAX_KBYTES;
} else {
if (temp_val > SUNXI_AUDIO_CMA_MAX_KBYTES)
temp_val = SUNXI_AUDIO_CMA_MAX_KBYTES;
dts_info->capture_cma = temp_val;
}
if (!dts_info->playback_cma && !dts_info->capture_cma) {
dev_warn(&pdev->dev, "playback and capture cma is 0\n");
goto err_cma_bytes;
}
sunxi_daudio->playback_dma_param.cma_kbytes = dts_info->playback_cma;
sunxi_daudio->playback_dma_param.fifo_size = DAUDIO_TX_FIFO_SIZE;
sunxi_daudio->capture_dma_param.cma_kbytes = dts_info->capture_cma;
sunxi_daudio->capture_dma_param.fifo_size = DAUDIO_RX_FIFO_SIZE;
vol_supply->regulator_name = NULL;
ret = of_property_read_string(np, "daudio_regulator",
&vol_supply->regulator_name);
if (ret < 0) {
dev_warn(&pdev->dev, "regulator missing or invalid\n");
vol_supply->daudio_regulator = NULL;
} else {
vol_supply->daudio_regulator =
regulator_get(NULL, vol_supply->regulator_name);
if (IS_ERR_OR_NULL(vol_supply->daudio_regulator)) {
dev_err(&pdev->dev, "get duaido[%d] vcc-pin failed\n",
pdata_info->tdm_num);
ret = -EFAULT;
goto err_regulator_get;
}
ret = regulator_set_voltage(vol_supply->daudio_regulator,
3300000, 3300000);
if (ret < 0) {
dev_err(&pdev->dev, "set duaido[%d] voltage failed\n",
pdata_info->tdm_num);
ret = -EFAULT;
goto err_regulator_set_vol;
}
ret = regulator_enable(vol_supply->daudio_regulator);
if (ret < 0) {
dev_err(&pdev->dev, "enable duaido[%d] vcc-pin failed\n",
pdata_info->tdm_num);
ret = -EFAULT;
goto err_regulator_enable;
}
}
ret = of_property_read_u32(np, "pcm_lrck_period", &temp_val);
if (ret < 0) {
dev_warn(&pdev->dev, "pcm_lrck_period config missing or invalid\n");
pdata_info->pcm_lrck_period = 0;
} else {
pdata_info->pcm_lrck_period = temp_val;
}
ret = of_property_read_u32(np, "msb_lsb_first", &temp_val);
if (ret < 0) {
dev_warn(&pdev->dev, "msb_lsb_first config missing or invalid\n");
pdata_info->msb_lsb_first = 0;
} else
pdata_info->msb_lsb_first = temp_val;
ret = of_property_read_u32(np, "slot_width_select", &temp_val);
if (ret < 0) {
dev_warn(&pdev->dev, "slot_width_select config missing or invalid\n");
pdata_info->slot_width_select = 0;
} else {
pdata_info->slot_width_select = temp_val;
}
ret = of_property_read_u32(np, "frametype", &temp_val);
if (ret < 0) {
dev_warn(&pdev->dev, "frametype config missing or invalid\n");
pdata_info->frame_type = 0;
} else {
pdata_info->frame_type = temp_val;
}
ret = of_property_read_u32(np, "sign_extend", &temp_val);
if (ret < 0) {
dev_warn(&pdev->dev, "sign_extend config missing or invalid\n");
pdata_info->sign_extend = 0;
} else
pdata_info->sign_extend = temp_val;
ret = of_property_read_u32(np, "tx_data_mode", &temp_val);
if (ret < 0) {
dev_warn(&pdev->dev, "tx_data_mode config missing or invalid\n");
pdata_info->tx_data_mode = 0;
} else
pdata_info->tx_data_mode = temp_val;
ret = of_property_read_u32(np, "rx_data_mode", &temp_val);
if (ret < 0) {
dev_warn(&pdev->dev, "rx_data_mode config missing or invalid\n");
pdata_info->rx_data_mode = 0;
} else
pdata_info->rx_data_mode = temp_val;
ret = of_property_read_u32(np, "tdm_config", &temp_val);
if (ret < 0) {
dev_warn(&pdev->dev, "tdm_config config missing or invalid\n");
pdata_info->tdm_config = 1;
} else {
pdata_info->tdm_config = temp_val;
}
ret = of_property_read_u32(np, "mclk_div", &temp_val);
if (ret < 0)
pdata_info->mclk_div = 0;
else
pdata_info->mclk_div = temp_val;
ret = of_property_read_u32(np, "tx_num", &temp_val);
if (ret < 0)
pdata_info->tx_num = SUNXI_DAUDIO_TXCH_NUM;
else {
if ((temp_val < SUNXI_DAUDIO_TXCH_NUM) && (temp_val != 0))
pdata_info->tx_num = temp_val;
else
pdata_info->tx_num = SUNXI_DAUDIO_TXCH_NUM;
}
ret = of_property_read_u32(np, "tx_chmap0", &temp_val);
if (ret < 0)
pdata_info->tx_chmap0 = SUNXI_DEFAULT_TXCHMAP0;
else
pdata_info->tx_chmap0 = temp_val;
ret = of_property_read_u32(np, "tx_chmap1", &temp_val);
if (ret < 0)
pdata_info->tx_chmap1 = SUNXI_DEFAULT_TXCHMAP1;
else
pdata_info->tx_chmap1 = temp_val;
ret = of_property_read_u32(np, "rx_num", &temp_val);
if (ret < 0)
pdata_info->rx_num = SUNXI_DAUDIO_RXCH_NUM;
else {
if ((temp_val < SUNXI_DAUDIO_RXCH_NUM) && (temp_val != 0))
pdata_info->rx_num = temp_val;
else
pdata_info->rx_num = SUNXI_DAUDIO_RXCH_NUM;
}
ret = of_property_read_u32(np, "rx_chmap0", &temp_val);
if (ret < 0) {
if (pdata_info->rx_num == 1)
pdata_info->rx_chmap0 = SUNXI_DEFAULT_RXCHMAP;
else
pdata_info->rx_chmap0 = SUNXI_DEFAULT_RXCHMAP0;
} else {
pdata_info->rx_chmap0 = temp_val;
}
ret = of_property_read_u32(np, "rx_chmap1", &temp_val);
if (ret < 0)
pdata_info->rx_chmap1 = SUNXI_DEFAULT_RXCHMAP1;
else
pdata_info->rx_chmap1 = temp_val;
ret = of_property_read_u32(np, "rx_chmap2", &temp_val);
if (ret < 0)
pdata_info->rx_chmap2 = SUNXI_DEFAULT_RXCHMAP3;
else
pdata_info->rx_chmap2 = temp_val;
ret = of_property_read_u32(np, "rx_chmap3", &temp_val);
if (ret < 0)
pdata_info->rx_chmap3 = SUNXI_DEFAULT_RXCHMAP3;
else
pdata_info->rx_chmap3 = temp_val;
/* for hifi dsp param init config */
ret = of_property_read_u32(np, "dsp_daudio", &temp_val);
if (ret < 0)
pdata_info->dsp_daudio = 0;
else
pdata_info->dsp_daudio = temp_val;
switch (pdata_info->dsp_daudio) {
case 0:
case 1:
break;
default:
dev_warn(&pdev->dev, "dsp_daudio setting overflow\n");
ret = -EFAULT;
goto err_dsp_daudio_tdm_num;
break;
}
dev_warn(&pdev->dev, "dsp_daudio = %d\n", pdata_info->dsp_daudio);
/* eg:0 sndcodec; 1 snddmic; 2 snddaudio0; */
ret = of_property_read_u32(np, "dsp_card", &temp_val);
if (ret < 0)
pdata_info->dsp_card = 2;
else
pdata_info->dsp_card = temp_val;
/* default is 0, for reserved */
ret = of_property_read_u32(np, "dsp_device", &temp_val);
if (ret < 0)
pdata_info->dsp_device = 0;
else
pdata_info->dsp_device = temp_val;
break;
default:
dev_err(&pdev->dev, "missing digital audio type\n");
ret = -EINVAL;
goto err_daudio_pdata_type;
}
mem_info->memregion = devm_request_mem_region(&pdev->dev,
mem_info->res.start,
resource_size(&mem_info->res),
DRV_NAME);
if (IS_ERR_OR_NULL(mem_info->memregion)) {
dev_err(&pdev->dev, "Memory region already claimed\n");
ret = -EBUSY;
goto err_devm_request_region;
}
mem_info->membase = devm_ioremap(&pdev->dev,
mem_info->memregion->start,
resource_size(mem_info->memregion));
if (IS_ERR_OR_NULL(mem_info->membase)) {
dev_err(&pdev->dev, "ioremap failed\n");
ret = -EBUSY;
goto err_devm_ioremap;
}
sunxi_daudio_regmap_config.max_register = resource_size(&mem_info->res);
mem_info->regmap = devm_regmap_init_mmio(&pdev->dev,
mem_info->membase,
&sunxi_daudio_regmap_config);
if (IS_ERR_OR_NULL(mem_info->regmap)) {
dev_err(&pdev->dev, "regmap init failed\n");
ret = -EINVAL;
goto err_devm_regmap_init;
}
ret = snd_soc_register_component(&pdev->dev, &sunxi_hifi_daudio_component,
&sunxi_hifi_daudio_dai, 1);
if (ret) {
dev_err(&pdev->dev, "component register failed\n");
ret = -ENOMEM;
goto err_register_component;
}
ret = asoc_hifi_platform_register(&pdev->dev, SUNXI_HIFI_PCM_OPS_DAUDIO);
if (ret) {
dev_err(&pdev->dev, "register ASoC platform failed\n");
ret = -ENOMEM;
goto err_asoc_hifi_platform_register;
}
mutex_init(&sunxi_daudio->rpmsg_mutex_playback);
mutex_init(&sunxi_daudio->rpmsg_mutex_capture);
snprintf(sunxi_daudio->wq_capture_name, sizeof(sunxi_daudio->wq_capture_name),
"hifi-tdm%d-c", pdata_info->dsp_daudio);
sunxi_daudio->wq_capture = create_workqueue(sunxi_daudio->wq_capture_name);
INIT_WORK(&sunxi_daudio->trigger_work_capture, trigger_work_capture_func);
// queue_work(sunxi_daudio->wq_capture, &sunxi_daudio->trigger_work_capture);
snprintf(sunxi_daudio->wq_playback_name, sizeof(sunxi_daudio->wq_playback_name),
"hifi-tdm%d-p", pdata_info->dsp_daudio);
sunxi_daudio->wq_playback = create_workqueue(sunxi_daudio->wq_playback_name);
INIT_WORK(&sunxi_daudio->trigger_work_playback, trigger_work_playback_func);
// queue_work(sunxi_daudio->wq_playback, &sunxi_daudio->trigger_work_playback);
#ifdef CONFIG_SND_SUNXI_HIFI_DAUDIO_DEBUG
ret = sysfs_create_group(&pdev->dev.kobj, &daudio_debug_attr_group);
if (ret) {
dev_err(&pdev->dev, "failed to create attr group\n");
goto err_sysfs_create_debug;
}
#endif
dev_info(&pdev->dev, "%s stop.\n", __func__);
return 0;
#ifdef CONFIG_SND_SUNXI_HIFI_DAUDIO_DEBUG
err_sysfs_create_debug:
mutex_destroy(&sunxi_daudio->rpmsg_mutex_playback);
mutex_destroy(&sunxi_daudio->rpmsg_mutex_capture);
#endif
err_asoc_hifi_platform_register:
snd_soc_unregister_component(&pdev->dev);
err_register_component:
err_devm_regmap_init:
devm_iounmap(&pdev->dev, mem_info->membase);
err_devm_ioremap:
devm_release_mem_region(&pdev->dev, mem_info->memregion->start,
resource_size(mem_info->memregion));
err_devm_request_region:
err_dsp_daudio_tdm_num:
if (vol_supply->daudio_regulator)
regulator_disable(vol_supply->daudio_regulator);
err_regulator_enable:
err_regulator_set_vol:
if (vol_supply->daudio_regulator)
regulator_put(vol_supply->daudio_regulator);
err_cma_bytes:
err_regulator_get:
err_daudio_pdata_type:
err_of_addr_to_resource:
devm_kfree(&pdev->dev, sunxi_daudio);
err_devm_malloc_sunxi_daudio:
of_node_put(np);
return ret;
}
static int __exit sunxi_hifi_daudio_dev_remove(struct platform_device *pdev)
{
struct sunxi_daudio_info *sunxi_daudio = dev_get_drvdata(&pdev->dev);
struct sunxi_daudio_dts_info *dts_info = &sunxi_daudio->dts_info;
struct sunxi_daudio_mem_info *mem_info = &dts_info->mem_info;
struct daudio_voltage_supply *vol_supply = &dts_info->vol_supply;
dev_info(&pdev->dev, "%s start.\n", __func__);
#ifdef CONFIG_SND_SUNXI_HIFI_DAUDIO_DEBUG
sysfs_remove_group(&pdev->dev.kobj, &daudio_debug_attr_group);
#endif
cancel_work_sync(&(sunxi_daudio->trigger_work_capture));
destroy_workqueue(sunxi_daudio->wq_capture);
cancel_work_sync(&(sunxi_daudio->trigger_work_playback));
destroy_workqueue(sunxi_daudio->wq_playback);
mutex_destroy(&sunxi_daudio->rpmsg_mutex_playback);
mutex_destroy(&sunxi_daudio->rpmsg_mutex_capture);
snd_soc_unregister_component(&pdev->dev);
devm_iounmap(&pdev->dev, mem_info->membase);
devm_release_mem_region(&pdev->dev, mem_info->memregion->start,
resource_size(mem_info->memregion));
if (!IS_ERR_OR_NULL(vol_supply->daudio_regulator)) {
regulator_disable(vol_supply->daudio_regulator);
regulator_put(vol_supply->daudio_regulator);
}
devm_kfree(&pdev->dev, sunxi_daudio);
dev_info(&pdev->dev, "%s stop.\n", __func__);
return 0;
}
static struct platform_driver sunxi_hifi_daudio_driver = {
.probe = sunxi_hifi_daudio_dev_probe,
.remove = __exit_p(sunxi_hifi_daudio_dev_remove),
.driver = {
.name = DRV_NAME,
.owner = THIS_MODULE,
.of_match_table = sunxi_hifi_daudio_of_match,
},
};
module_platform_driver(sunxi_hifi_daudio_driver);
MODULE_AUTHOR("yumingfeng <yumingfeng@allwinnertech.com>");
MODULE_DESCRIPTION("SUNXI DAI AUDIO ASoC Interface");
MODULE_LICENSE("GPL");
MODULE_ALIAS("platform:sunxi-daudio");