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关于imx8mp的es8316的芯片调试
2022-07-06 04:38:00 【永不秃头的程序员】
记录在imx8mp上调试音频芯片es8316的笔记，因为在这个平台上是第一次调试这个芯片，遇到的一些问题比较多，做一次笔记
一、驱动配置
1.1 dts配置
diff --git a/arch/arm64/boot/dts/freescale/vt_sbc_mx8mp_biol.dts b/arch/arm64/boot/dts/freescale/vt_sbc_mx8mp_biol.dts
index 1389f9a2ada5..9372cd63b3a5 100755
--- a/arch/arm64/boot/dts/freescale/vt_sbc_mx8mp_biol.dts
+++ b/arch/arm64/boot/dts/freescale/vt_sbc_mx8mp_biol.dts
@@ -188,8 +188,18 @@ bt_sco_codec: bt_sco_codec {
compatible = "linux,bt-sco";
};
+ sound-es8316 {
+ compatible = "fsl,imx-audio-es8316";
+ model = "imx-audio-es8316";
+ audio-cpu = <&sai3>;
+ audio-codec = <&codec_es8316>;
+ audio-routing =
+ "Ext Spk", "HPOL",
+ "Ext Spk", "HPOR";
+ };
&i2c1 {
+ codec_es8316: [email protected]10 {
+ compatible = "everest,es8316";
+ reg = <0x10>;
+ clocks = <&audio_blk_ctrl IMX8MP_CLK_AUDIO_BLK_CTRL_SAI3_MCLK1>;
+ clock-names = "mclk";
+ };
};
1.2 cpu端的配置
因为es8316并不在fsl-asoc-card.c的默认配置内，所以我们需要自己去添加配置：
+++ b/sound/soc/fsl/fsl-asoc-card.c
@@ -43,6 +43,7 @@ enum fsl_asoc_card_type {
CARD_WM8960,
CARD_WM8962,
CARD_SGTL5000,
+ CARD_ES8316,
CARD_AC97,
CARD_CS427X,
CARD_TLV320AIC32X4,
@@ -307,7 +308,7 @@ static int fsl_asoc_card_hw_params(struct snd_pcm_substream *substream,
priv->streams &= ~BIT(substream->stream);
return ret;
}
-
+#if 0
/*power off amp*/
static int direction_output_high(struct platform_device *pdev)
{
@@ -357,7 +358,7 @@ static int direction_output_low(struct platform_device *pdev)
return 0;
}
-
+#endif
static int fsl_asoc_card_hw_free(struct snd_pcm_substream *substream)
{
struct snd_soc_pcm_runtime *rtd = substream->private_data;
@@ -365,11 +366,11 @@ static int fsl_asoc_card_hw_free(struct snd_pcm_substream *substream)
struct codec_priv *codec_priv = &priv->codec_priv;
struct device *dev = rtd->card->dev;
int ret;
-
-
priv->streams &= ~BIT(substream->stream);
if (!priv->streams && codec_priv->pll_id && codec_priv->fll_id) {
@@ -391,6 +392,7 @@ static int fsl_asoc_card_hw_free(struct snd_pcm_substream *substream)
}
}
return 0;
}
@@ -405,14 +407,11 @@ static int fsl_asoc_card_startup(struct snd_pcm_substream *substream)
int ret;
int gpio;
gpio = gpio_get_value(amp_en);
if (priv->card_type == CARD_CS42888) {
if (priv->codec_priv.mclk_freq % 12288000 == 0) {
support_rates[0] = 48000;
@@ -448,7 +447,7 @@ static int fsl_asoc_card_startup(struct snd_pcm_substream *substream)
return ret;
}
-
return 0;
}
@@ -861,6 +860,10 @@ static int fsl_asoc_card_probe(struct platform_device *pdev)
priv->codec_priv.mclk_id = SGTL5000_SYSCLK;
priv->dai_fmt |= SND_SOC_DAIFMT_CBM_CFM;
priv->card_type = CARD_SGTL5000;
+ } else if (of_device_is_compatible(np, "fsl,imx-audio-es8316")) {
+ codec_dai_name = "ES8316 HiFi";
+ priv->dai_fmt |= SND_SOC_DAIFMT_CBS_CFS;
+ priv->card_type = CARD_ES8316;
} else if (of_device_is_compatible(np, "fsl,imx-audio-tlv320aic32x4")) {
codec_dai_name = "tlv320aic32x4-hifi";
priv->dai_fmt |= SND_SOC_DAIFMT_CBM_CFM;
@@ -1230,6 +1233,7 @@ static const struct of_device_id fsl_asoc_card_dt_ids[] = {
{
.compatible = "fsl,imx-audio-cs427x", },
{
.compatible = "fsl,imx-audio-tlv320aic32x4", },
{
.compatible = "fsl,imx-audio-sgtl5000", },
+ {
.compatible = "fsl,imx-audio-es8316", },
{
.compatible = "fsl,imx-audio-wm8962", },
{
.compatible = "fsl,imx-audio-wm8960", },
{
.compatible = "fsl,imx-audio-mqs", },
1.3 添加驱动
这个就直接添加在对应的Makefile文件里面去就好了，编译完后生成对应的驱动文件就行。
这个还有一个比较坑的地方再与，es8316的默认配置是关闭了的，所以你即使成功的加载驱动，你也无法发出声音，这个可以用tinymix进行修改。
evk_8mp:/ # tinymix
Mixer name: 'imx-audio-es8316'
Number of controls: 35
ctl type num name value
0 INT 2 Headphone Playback Volume 3 3
1 INT 2 Headphone Mixer Volume 0 0
2 ENUM 1 Playback Polarity Normal
3 INT 2 DAC Playback Volume 192 192 //默认是 0
4 BOOL 1 DAC Soft Ramp Switch Off
5 INT 1 DAC Soft Ramp Rate 4
6 BOOL 1 DAC Notch Filter Switch Off
7 BOOL 1 DAC Double Fs Switch Off
8 INT 1 DAC Stereo Enhancement 0
9 BOOL 1 DAC Mono Mix Switch Off
10 ENUM 1 Capture Polarity Normal
11 BOOL 1 Mic Boost Switch On
12 INT 1 ADC Capture Volume 0
13 INT 1 ADC PGA Gain Volume 0
14 BOOL 1 ADC Soft Ramp Switch On
15 BOOL 1 ADC Double Fs Switch Off
16 BOOL 1 ALC Capture Switch Off
17 INT 1 ALC Capture Max Volume 28
18 INT 1 ALC Capture Min Volume 0
19 INT 1 ALC Capture Target Volume 11
20 INT 1 ALC Capture Hold Time 0
21 INT 1 ALC Capture Decay Time 3
22 INT 1 ALC Capture Attack Time 2
23 BOOL 1 ALC Capture Noise Gate Switch Off
24 INT 1 ALC Capture Noise Gate Threshold 0
25 ENUM 1 ALC Capture Noise Gate Type Constant PGA Gain
26 ENUM 1 Differential Mux lin1-rin1
27 ENUM 1 Digital Mic Mux dmic disable
28 ENUM 1 DAC Source Mux LDATA TO LDAC, RDATA TO RDAC
29 ENUM 1 Left Headphone Mux lin1-rin1
30 ENUM 1 Right Headphone Mux lin1-rin1
31 BOOL 1 Left Headphone Mixer LLIN Switch Off
32 BOOL 1 Left Headphone Mixer Left DAC Switch on //默认是off
33 BOOL 1 Right Headphone Mixer RLIN Switch Off
34 BOOL 1 Right Headphone Mixer Right DAC Switch on //默认是off
主要是修改这三个对应的寄存器
最开始我是在驱动中直接操作的寄存器：
* Documentation for this register is unclear and incomplete,
* but here is a vendor-provided value that improves volume
* and quality for Intel CHT platforms.
*/
snd_soc_component_write(component, ES8316_CLKMGR_ADCOSR, 0x32);
/* 后面默认去添加 这三个寄存器的配置，然后就会修改对应的配置*/
//snd_soc_component_write(component, ES8316_HPMIX_SWITCH, 0x88);
//snd_soc_component_write(component, ES8316_DAC_VOLL, 0x00);
//snd_soc_component_write(component, ES8316_DAC_VOLR, 0x00);
1.4 对应的验证
不出意外，你现在可以通过cat /proc/asound/cards
看到会有对应的 imx-audio-es8316的声卡配置
130|evk_8mp:/ # cat /proc/asound/cards
0 [imxaudioes8316 ]: imx-audio-es831 - imx-audio-es8316
imx-audio-es8316
1 [imxaudiomicfil ]: imx-audio-micfi - imx-audio-micfil
imx-audio-micfil
evk_8mp:/ #
同样的可以通过 tinypcminfo 看到对应的信息
evk_8mp:/ # tinypcminfo -D 0 -d 0
Info for card 0, device 0:
PCM out:
Access: 0x000009
Format[0]: 0x000044
Format[1]: 00000000
Format Name: S16_LE, S24_LE
Subformat: 0x000001
Rate: min=16000Hz max=48000Hz
Channels: min=1 max=2
Sample bits: min=16 max=32
Period size: min=32 max=32767
Period count: min=2 max=8192
PCM in:
Access: 0x000009
Format[0]: 0x000044
Format[1]: 00000000
Format Name: S16_LE, S24_LE
Subformat: 0x000001
Rate: min=16000Hz max=48000Hz
Channels: min=1 max=2
Sample bits: min=16 max=32
Period size: min=32 max=32767
Period count: min=2 max=8192
evk_8mp:/ #
如果硬件接线没有问题的话，你就可以使用 tinymix的工具进行录音和播放了,因为nxp的接线有些问题，会导致对应的声卡的RLCK这个数据只有1.8v-0.9v的幅值，而不是1.8v-0v，所以这个时候你的声音是没法出来的。当时我还以为是我软件的问题，干了好久都没干出来。
二、device目录下的配置
上述修改完成后，我的情况是可以播放音乐，但是无法通过对应的录音工具进行录音.
我打开对应的alsa的DEBUG宏添加对应的打印后
查看log后发现：
07-01 07:40:22.095 2122 2122 I audio_hw_primary: parse_one_card: parse /vendor/etc/configs/audio/micfil_config.json
07-01 07:40:22.095 2122 2122 I audio_hw_primary: parse_control: ctl idx 0, [CH0 Volume 5]
07-01 07:40:22.095 2122 2122 I audio_hw_primary: parse_control: ctl idx 1, [CH1 Volume 5]
07-01 07:40:22.095 2122 2122 I audio_hw_primary: parse_control: ctl idx 2, [CH2 Volume 5]
07-01 07:40:22.095 2122 2122 I audio_hw_primary: parse_control: ctl idx 3, [CH3 Volume 5]
07-01 07:40:22.095 2122 2122 I audio_hw_primary: parse_control: ctl idx 4, [CH4 Volume 5]
07-01 07:40:22.096 2122 2122 I audio_hw_primary: parse_control: ctl idx 5, [CH5 Volume 5]
07-01 07:40:22.096 2122 2122 I audio_hw_primary: parse_control: ctl idx 6, [CH6 Volume 5]
07-01 07:40:22.096 2122 2122 I audio_hw_primary: parse_control: ctl idx 7, [CH7 Volume 5]
07-01 07:40:22.096 2122 2122 I audio_hw_primary: parse_one_card: driver name imx-audio-micfi, bus name (null), out_devices 0x0, in_devices 0x80000004, out_vol[0, 255], dsd 0, hfp 0, hdmi 0, multi_chn 0, out period_size 0, out period_count 0, in period_size 0, in period_count 0, secondary_bus_name: (null)
07-01 07:40:22.096 2122 2122 I audio_hw_primary: parse_one_card: parse /vendor/etc/configs/audio/btsco_config.json
07-01 07:40:22.096 2122 2122 I audio_hw_primary: parse_one_card: driver name bt-sco-audio, bus name (null), out_devices 0x70, in_devices 0x80000008, out_vol[0, 255], dsd 0, hfp 1, hdmi 0, multi_chn 0, out period_size 0, out period_count 0, in period_size 0, in period_count 0, secondary_bus_name: (null)
07-01 07:40:22.096 2122 2122 I audio_hw_primary: parse_one_card: parse /vendor/etc/configs/audio/hdmi_config.json
07-01 07:40:22.096 2122 2122 I audio_hw_primary: parse_one_card: driver name audio-hdmi, bus name (null), out_devices 0x400, in_devices 0x0, out_vol[0, 255], dsd 0, hfp 0, hdmi 1, multi_chn 0, out period_size 0, out period_count 0, in period_size 0, in period_count 0, secondary_bus_name: (null)
07-01 07:40:22.097 2122 2122 I audio_hw_primary: parse_one_card: parse /vendor/etc/configs/audio/wm8960_config.json
07-01 07:40:22.097 2122 2122 I audio_hw_primary: parse_control: ctl idx 0, [Left Output Mixer PCM Playback Switch 1]
07-01 07:40:22.097 2122 2122 I audio_hw_primary: parse_control: ctl idx 1, [Right Output Mixer PCM Playback Switch 1]
07-01 07:40:22.097 2122 2122 I audio_hw_primary: parse_control: ctl idx 2, [Playback Volume 230]
07-01 07:40:22.097 2122 2122 I audio_hw_primary: parse_control: ctl idx 3, [Speaker Playback Volume 120]
07-01 07:40:22.097 2122 2122 I audio_hw_primary: parse_control: ctl idx 4, [Headphone Playback Volume 120]
07-01 07:40:22.097 2122 2122 I audio_hw_primary: parse_control: ctl idx 0, [ALC Function 3]
07-01 07:40:22.097 2122 2122 I audio_hw_primary: parse_control: ctl idx 1, [Left Input Mixer Boost Switch 1]
07-01 07:40:22.097 2122 2122 I audio_hw_primary: parse_control: ctl idx 2, [ADC PCM Capture Volume 230]
07-01 07:40:22.097 2122 2122 I audio_hw_primary: parse_control: ctl idx 3, [Capture Volume 60]
07-01 07:40:22.097 2122 2122 I audio_hw_primary: parse_volume_control: ctl idx 0, name Playback Volume
07-01 07:40:22.097 2122 2122 I audio_hw_primary: parse_one_card: driver name wm8960-audio, bus name bus1_system_sound_out, out_devices 0x102000e, in_devices 0x80000014, out_vol[0, 255], dsd 0, hfp 0, hdmi 0, multi_chn 0, out period_size 0, out period_count 0, in period_size 0, in period_count 0, secondary_bus_name: (null)
07-01 07:40:22.098 2122 2122 E audio_hw_primary: cluo--> leave parse_all_cards, supported card num 4
07-01 07:40:22.098 2122 2122 I audio_hw_primary: cluo=========================================1===============
07-01 07:40:22.098 2122 2122 I audio_hw_primary: card0: imx-audio-es8316
07-01 07:40:22.098 2122 2122 E audio_hw_primary: cluo--> audio_card name = imx-audio-es8316
07-01 07:40:22.098 2122 2122 E audio_hw_primary: cluo--> audio_card = (null)
07-01 07:40:22.098 2122 2122 E audio_hw_primary: cluo--> audio_card = (null)
07-01 07:40:22.098 2122 2122 E audio_hw_primary: cluo---> !audio_card
07-01 07:40:22.098 2122 2122 I audio_hw_primary: cluo scan_available_device: card imx-audio-es8316 is not supported
他会去解析对应的 /vendor/etc/configs/audio/xxxxxx.json的文件配置
但是没有es8316的默认配置，查看原来的wm8960的配置文件后，发现可以通过对应的json文件去修改配置
diff --git a/common/audio-json/es8316_config.json b/common/audio-json/es8316_config.json
new file mode 100644
index 00000000..0b0f12e5
--- /dev/null
+++ b/common/audio-json/es8316_config.json
@@ -0,0 +1,17 @@
+{
+ "driver_name": "imx-audio-es8316",
+ "supported_in_devices": ["builtin_mic"],
+ "bus_name": "bus1_system_sound_out",
+ "supported_out_devices": ["speaker"],
+
+ "init_ctl": [
+ {
"name": "DAC Playback Volume", "type": "int", "val": 192},
+ {
"name": "Left Headphone Mixer Left DAC Switch", "type": "int", "val": 1},
+ {
"name": "Right Headphone Mixer Right DAC Switch", "type": "int", "val": 1}
+ ],
+
+ "builtin_mic_ctl": [
+ {
"name": "ADC Capture Volume", "type": "int", "val": 192},
+ {
"name": "ADC PGA Gain Volume", "type": "int", "val": 5}
+ ]
+}
这个配置文件会去配置相关的设置，从这里也可以看出来这个配置文件中的name就是tinymix中的name。
最重要的是他会通过"driver_name": “imx-audio-es8316”, 去添加声卡，不然的花你的声卡的不能使用的，也就是上面看到的这一行log
07-01 07:40:22.098 2122 2122 I audio_hw_primary: cluo scan_available_device: card imx-audio-es8316 is not supported
在添加完配置文件后再次查看log
07-04 02:53:05.353 2205 2205 I audio_hw_primary: parse_one_card: parse /vendor/etc/configs/audio/es8316_config.json
07-04 02:53:05.353 2205 2205 I audio_hw_primary: parse_control: ctl idx 0, [DAC Playback Volume 192]
07-04 02:53:05.353 2205 2205 I audio_hw_primary: parse_control: ctl idx 1, [Left Headphone Mixer Left DAC Switch 1]
07-04 02:53:05.353 2205 2205 I audio_hw_primary: parse_control: ctl idx 2, [Right Headphone Mixer Right DAC Switch 1]
07-04 02:53:05.353 2205 2205 I audio_hw_primary: parse_control: ctl idx 0, [ADC Capture Volume 150]
07-04 02:53:05.353 2205 2205 I audio_hw_primary: parse_control: ctl idx 1, [ADC PGA Gain Volume 3]
07-04 02:53:05.353 2205 2205 I audio_hw_primary: parse_one_card: driver name imx-audio-es8316, bus name bus1_system_sound_out, out_devices 0x2, in_devices 0x80000004, out_vol[0, 255], dsd 0, hfp 0, hdmi 0, multi_chn 0, out period_size 0, out period_count 0, in period_size 0, in period_count 0, secondary_bus_name: (null)
07-04 02:53:05.354 2205 2205 I audio_hw_primary: parse_one_card: parse /vendor/etc/configs/audio/btsco_config.json
07-04 02:53:05.354 2205 2205 I audio_hw_primary: parse_one_card: driver name bt-sco-audio, bus name (null), out_devices 0x70, in_devices 0x80000008, out_vol[0, 255], dsd 0, hfp 1, hdmi 0, multi_chn 0, out period_size 0, out period_count 0, in period_size 0, in period_count 0, secondary_bus_name: (null)
07-04 02:53:05.354 2205 2205 E audio_hw_primary: cluo--> leave parse_all_cards, supported card num 5
07-04 02:53:05.354 2205 2205 I audio_hw_primary: cluo=========================================1===============
07-04 02:53:05.354 2205 2205 I audio_hw_primary: card0: imx-audio-es8316
07-04 02:53:05.354 2205 2205 E audio_hw_primary: cluo--> audio_card name = imx-audio-es8316
07-04 02:53:05.354 2205 2205 E audio_hw_primary: cluo--> audio_card = P��
07-04 02:53:05.354 2205 2205 E audio_hw_primary: cluo--> audio_card = P��
��-04 02:53:05.354 2205 2205 E audio_hw_primary: cluo--> audio_card = 0
��-04 02:53:05.354 2205 2205 E audio_hw_primary: cluo--> audio_card = 0
07-04 02:53:05.354 2205 2205 E audio_hw_primary: cluo--> audio_card = ��
07-04 02:53:05.354 2205 2205 E audio_hw_primary: cluo--> audio_card = ��
07-04 02:53:05.354 2205 2205 E audio_hw_primary: cluo--> audio_card = 0
07-04 02:53:05.354 2205 2205 E audio_hw_primary: ����
07-04 02:53:05.354 2205 2205 E audio_hw_primary: cluo--> audio_card = 0
07-04 02:53:05.354 2205 2205 E audio_hw_primary: ����
07-04 02:53:05.354 2205 2205 E audio_hw_primary: cluo---> audio_card->driver_name
07-04 02:53:05.362 2205 2205 E audio_hw_primary: PCM_FORMAT_S16_LE, format = 0
07-04 02:53:05.362 2205 2205 W audio_hw_primary: Supported input format imx-audio-es8316 , 0
07-04 02:53:05.362 2205 2205 E audio_hw_primary: adev->audio_card_num = card_num =1, card_name = imx-audio-es8316
声卡已经支持，我们也可以使用对应的apk进行录音和播放。
之前没玩过imx8mp的音频，所以我也不知道会有这些东西，后面自己去实验后才发现对应框架以及使用，还是要去了解平台的相关知识阿。
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