Merge pull request #5 from ericfont/patch-1

clone from this fork, not from the original

README.md

@@ -5,7 +5,7 @@ The drivers for [ReSpeaker Mic Hat](https://www.seeedstudio.com/ReSpeaker-2-Mics
 ### Install seeed-voicecard
 Get the seeed voice card source code and install all linux kernel drivers
 ```bash
-git clone https://github.com/HinTak/seeed-voicecard
+git clone https://github.com/HinTak/seeed-voicecard.git
 cd seeed-voicecard
 sudo ./install.sh
 sudo reboot

ac101.c

@@ -955,7 +955,7 @@ void ac101_aif_shutdown(struct snd_pcm_substream *substream, struct snd_soc_dai
 
 	AC101_DBG("stream = %s, play: %d, capt: %d, active: %d\n", 
 		snd_pcm_stream_str(substream),
-		codec_dai->stream[SNDRV_PCM_STREAM_PLAYBACK].active, codec_dai->stream[SNDRV_PCM_STREAM_CAPTURE].active,
+		codec_dai->stream_active[SNDRV_PCM_STREAM_PLAYBACK], codec_dai->stream_active[SNDRV_PCM_STREAM_CAPTURE],
 		snd_soc_dai_active(codec_dai));
 
 	if (!snd_soc_dai_active(codec_dai)) {
@@ -1080,7 +1080,7 @@ int ac101_hw_params(struct snd_pcm_substream *substream,
 	freq_out = _FREQ_24_576K;
 	for (i = 0; i < ARRAY_SIZE(codec_aif1_fs); i++) {
 		if (codec_aif1_fs[i].samp_rate == params_rate(params)) {
-			if (codec_dai->stream[SNDRV_PCM_STREAM_CAPTURE].active && dmic_used && codec_aif1_fs[i].samp_rate == 44100) {
+			if (codec_dai->stream_active[SNDRV_PCM_STREAM_CAPTURE] && dmic_used && codec_aif1_fs[i].samp_rate == 44100) {
 				ac101_update_bits(codec, AIF_SR_CTRL, (0xf<<AIF1_FS), (0x4<<AIF1_FS));
 			} else {
 				ac101_update_bits(codec, AIF_SR_CTRL, (0xf<<AIF1_FS), ((codec_aif1_fs[i].srbit)<<AIF1_FS));
@@ -1280,13 +1280,11 @@ int ac101_trigger(struct snd_pcm_substream *substream, int cmd,
 			ret = ret || ac101_update_bits(codec, MOD_RST_CTRL, (0x1<<MOD_RESET_AIF1), (0x1<<MOD_RESET_AIF1));
 		}
 		spin_unlock_irqrestore(&ac10x->lock, flags);
-		ac101_set_clock(1, substream, cmd, dai);
 		#endif
 		break;
 	case SNDRV_PCM_TRIGGER_STOP:
 	case SNDRV_PCM_TRIGGER_SUSPEND:
 	case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
-		ac101_set_clock(0, NULL, 0, NULL);
 		break;
 	default:
 		ret = -EINVAL;

ac108.c

@@ -653,7 +653,7 @@ static int ac108_hw_params(struct snd_pcm_substream *substream, struct snd_pcm_h
 
 	dev_dbg(dai->dev, "%s() stream=%s play:%d capt:%d +++\n", __func__,
 			snd_pcm_stream_str(substream),
-			dai->stream[SNDRV_PCM_STREAM_PLAYBACK].active, dai->stream[SNDRV_PCM_STREAM_CAPTURE].active);
+			dai->stream_active[SNDRV_PCM_STREAM_PLAYBACK], dai->stream_active[SNDRV_PCM_STREAM_CAPTURE]);
 
 	if (ac10x->i2c101) {
 		ret = ac101_hw_params(substream, params, dai);
@@ -664,8 +664,8 @@ static int ac108_hw_params(struct snd_pcm_substream *substream, struct snd_pcm_h
 		}
 	}
 
-	if ((substream->stream == SNDRV_PCM_STREAM_CAPTURE && dai->stream[SNDRV_PCM_STREAM_PLAYBACK].active)
+	if ((substream->stream == SNDRV_PCM_STREAM_CAPTURE && dai->stream_active[SNDRV_PCM_STREAM_PLAYBACK])
-	 || (substream->stream == SNDRV_PCM_STREAM_PLAYBACK && dai->stream[SNDRV_PCM_STREAM_CAPTURE].active)) {
+	 || (substream->stream == SNDRV_PCM_STREAM_PLAYBACK && dai->stream_active[SNDRV_PCM_STREAM_CAPTURE])) {
 		/* not configure hw_param twice */
 		/* return 0; */
 	}
@@ -999,7 +999,7 @@ static int ac108_set_clock(int y_start_n_stop, struct snd_pcm_substream *substre
 
 	/* spin_lock move to machine trigger */
 
-	if (ac10x->i2c101 && _MASTER_MULTI_CODEC == _MASTER_AC101) {
+	if (y_start_n_stop && ac10x->i2c101 && _MASTER_MULTI_CODEC == _MASTER_AC101) {
 		ac101_trigger(substream, cmd, dai);
 	}
 	if (y_start_n_stop && ac10x->sysclk_en == 0) {
@@ -1073,12 +1073,15 @@ static int ac108_trigger(struct snd_pcm_substream *substream, int cmd,
 			ac108_multi_update_bits(I2S_CTRL, 0x1 << TXEN | 0x1 << GEN, 0x0 << TXEN | 0x0 << GEN, ac10x);
 		}
 		spin_unlock_irqrestore(&ac10x->lock, flags);
-		ac108_set_clock(1, substream, cmd, dai);
+
+		/* delayed clock starting, move to machine trigger() */
 		break;
 	case SNDRV_PCM_TRIGGER_STOP:
 	case SNDRV_PCM_TRIGGER_SUSPEND:
 	case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
-		ac108_set_clock(0, substream, cmd, dai);
+		if (ac10x->i2c101 && _MASTER_MULTI_CODEC == _MASTER_AC101) {
+			ac101_trigger(substream, cmd, dai);
+		}
 		break;
 	default:
 		ret = -EINVAL;
@@ -1326,6 +1329,7 @@ static struct snd_soc_codec_driver ac10x_soc_codec_driver = {
 	.idle_bias_on 	= 1,
 	.use_pmdown_time 	= 1,
 	.endianness 	= 1,
+	.non_legacy_dai_naming 	= 1,
 #endif
 };
 
@@ -1407,15 +1411,7 @@ static const struct regmap_config ac108_regmap = {
 	.max_register = 0xDF,
 	.cache_type = REGCACHE_FLAT,
 };
-static const struct i2c_device_id ac108_i2c_id[] = {
+static int ac108_i2c_probe(struct i2c_client *i2c, const struct i2c_device_id *i2c_id) {
-	{ "ac108_0", 0 },
-	{ "ac108_1", 1 },
-	{ "ac108_2", 2 },
-	{ "ac108_3", 3 },
-	{ "ac101", AC101_I2C_ID },
-	{ }
-};
-static int ac108_i2c_probe(struct i2c_client *i2c) {
 	struct device_node *np = i2c->dev.of_node;
 	unsigned int val = 0;
 	int ret = 0, index;
@@ -1428,11 +1424,11 @@ static int ac108_i2c_probe(struct i2c_client *i2c) {
 		}
 	}
 
-	index = (int)i2c_match_id(ac108_i2c_id, i2c)->driver_data;
+	index = (int)i2c_id->driver_data;
 	if (index == AC101_I2C_ID) {
 		ac10x->i2c101 = i2c;
 		i2c_set_clientdata(i2c, ac10x);
-		ret = ac101_probe(i2c, i2c_match_id(ac108_i2c_id, i2c));
+		ret = ac101_probe(i2c, i2c_id);
 		if (ret) {
 			ac10x->i2c101 = NULL;
 			return ret;
@@ -1498,7 +1494,7 @@ __ret:
 	return ret;
 }
 
-static void ac108_i2c_remove(struct i2c_client *i2c) {
+static int ac108_i2c_remove(struct i2c_client *i2c) {
 	if (ac10x->codec != NULL) {
 		snd_soc_unregister_codec(&ac10x->i2c[_MASTER_INDEX]->dev);
 		ac10x->codec = NULL;
@@ -1523,8 +1519,17 @@ __ret:
 		kfree(ac10x);
 		ac10x = NULL;
 	}
+	return 0;
 }
 
+static const struct i2c_device_id ac108_i2c_id[] = {
+	{ "ac108_0", 0 },
+	{ "ac108_1", 1 },
+	{ "ac108_2", 2 },
+	{ "ac108_3", 3 },
+	{ "ac101", AC101_I2C_ID },
+	{ }
+};
 MODULE_DEVICE_TABLE(i2c, ac108_i2c_id);
 
 static const struct of_device_id ac108_of_match[] = {

install.sh

@@ -67,10 +67,8 @@ function get_kernel_version() {
   [ -z "$_VER_RUN" ] && {
     ZIMAGE=/boot/kernel.img
     [ -f /boot/firmware/vmlinuz ] && ZIMAGE=/boot/firmware/vmlinuz
-    # 64-bit-only kernel package
-    [ ! -f /boot/kernel.img ] && [ -f /boot/kernel8.img ] && ZIMAGE=/boot/kernel8.img
     IMG_OFFSET=$(LC_ALL=C grep -abo $'\x1f\x8b\x08\x00' $ZIMAGE | head -n 1 | cut -d ':' -f 1)
-    _VER_RUN=$(dd if=$ZIMAGE obs=64K ibs=4 skip=$(( IMG_OFFSET / 4)) 2>/dev/null | zcat | grep -a -m1 "Linux version" | LC_ALL=C sed -e 's/^.*Linux/Linux/' | strings | awk '{ print $3; }')
+    _VER_RUN=$(dd if=$ZIMAGE obs=64K ibs=4 skip=$(( IMG_OFFSET / 4)) 2>/dev/null | zcat | grep -a -m1 "Linux version" | strings | awk '{ print $3; }')
   }
   echo "$_VER_RUN"
   return 0
@@ -78,11 +76,11 @@ function get_kernel_version() {
 
 function check_kernel_headers() {
   VER_RUN=$(get_kernel_version)
-  VER_HDR=$(dpkg -L raspberrypi-kernel-headers | egrep -m1 "/lib/modules/[^\/]+/build" | awk -F'/' '{ print $4; }')
+  VER_HDR=$(dpkg -L raspberrypi-kernel-headers | egrep -m1 "/lib/modules/[^-]+/build" | awk -F'/' '{ print $4; }')
   [ "X$VER_RUN" == "X$VER_HDR" ] && {
     return 0
   }
-  VER_HDR=$(dpkg -L linux-headers-$VER_RUN | egrep -m1 "/lib/modules/[^\/]+/build" | awk -F'/' '{ print $4; }')
+  VER_HDR=$(dpkg -L linux-headers-$VER_RUN | egrep -m1 "/lib/modules/[[:print:]]+/build" | awk -F'/' '{ print $4; }')
   [ "X$VER_RUN" == "X$VER_HDR" ] && {
     return 0
   }
@@ -108,8 +106,6 @@ if [[ $? -eq 0 ]]; then
   apt update -y
   # Raspbian kernel packages
   apt-get -y install raspberrypi-kernel-headers raspberrypi-kernel 
-  # Recent Raspbian has 64-bit kernel on 32-bit userspace
-  apt-get -y install gcc-aarch64-linux-gnu
   # Ubuntu kernel packages
   apt-get -y install linux-raspi linux-headers-raspi linux-image-raspi
   apt-get -y install dkms git i2c-tools libasound2-plugins
@@ -181,7 +177,6 @@ grep -q "^snd-soc-wm8960$" /etc/modules || \
 
 #set dtoverlays
 CONFIG=/boot/config.txt
-[ -f /boot/firmware/config.txt ] && CONFIG=/boot/firmware/config.txt
 [ -f /boot/firmware/usercfg.txt ] && CONFIG=/boot/firmware/usercfg.txt
 
 sed -i -e 's:#dtparam=i2c_arm=on:dtparam=i2c_arm=on:g'  $CONFIG || true

seeed-voicecard

@@ -42,9 +42,7 @@ function get_kernel_version() {
     [ -z "$_VER_RUN" ] && {
         ZIMAGE=/boot/kernel.img
         IMG_OFFSET=$(LC_ALL=C grep -abo $'\x1f\x8b\x08\x00' $ZIMAGE | head -n 1 | cut -d ':' -f 1)
-        # 64-bit-only kernel package
+        _VER_RUN=$(dd if=$ZIMAGE obs=64K ibs=4 skip=$(( IMG_OFFSET / 4)) | zcat | grep -a -m1 "Linux version" | strings | awk '{ print $3; }')
-        [ ! -f /boot/kernel.img ] && [ -f /boot/kernel8.img ] && ZIMAGE=/boot/kernel8.img
-        _VER_RUN=$(dd if=$ZIMAGE obs=64K ibs=4 skip=$(( IMG_OFFSET / 4)) 2>/dev/null | zcat | grep -a -m1 "Linux version" | LC_ALL=C sed -e 's/^.*Linux/Linux/' | strings | awk '{ print $3; }')
     }
     echo "$_VER_RUN"
     return 0

seeed-voicecard.c

@@ -220,7 +220,7 @@ static int seeed_voice_card_trigger(struct snd_pcm_substream *substream, int cmd
 
 	dev_dbg(rtd->card->dev, "%s() stream=%s  cmd=%d play:%d, capt:%d\n",
 		__FUNCTION__, snd_pcm_stream_str(substream), cmd,
-		dai->stream[SNDRV_PCM_STREAM_PLAYBACK].active, dai->stream[SNDRV_PCM_STREAM_CAPTURE].active);
+		dai->stream_active[SNDRV_PCM_STREAM_PLAYBACK], dai->stream_active[SNDRV_PCM_STREAM_CAPTURE]);
 
 	switch (cmd) {
 	case SNDRV_PCM_TRIGGER_START:
@@ -231,8 +231,8 @@ static int seeed_voice_card_trigger(struct snd_pcm_substream *substream, int cmd
 		/* I know it will degrades performance, but I have no choice */
 		spin_lock_irqsave(&priv->lock, flags);
 		#endif
-		// if (_set_clock[SNDRV_PCM_STREAM_CAPTURE]) _set_clock[SNDRV_PCM_STREAM_CAPTURE](1, substream, cmd, dai);
+		if (_set_clock[SNDRV_PCM_STREAM_CAPTURE]) _set_clock[SNDRV_PCM_STREAM_CAPTURE](1, substream, cmd, dai);
-		// if (_set_clock[SNDRV_PCM_STREAM_PLAYBACK]) _set_clock[SNDRV_PCM_STREAM_PLAYBACK](1, substream, cmd, dai);
+		if (_set_clock[SNDRV_PCM_STREAM_PLAYBACK]) _set_clock[SNDRV_PCM_STREAM_PLAYBACK](1, substream, cmd, dai);
 		#if CONFIG_AC10X_TRIG_LOCK
 		spin_unlock_irqrestore(&priv->lock, flags);
 		#endif
@@ -242,7 +242,7 @@ static int seeed_voice_card_trigger(struct snd_pcm_substream *substream, int cmd
 	case SNDRV_PCM_TRIGGER_SUSPEND:
 	case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
 		/* capture channel resync, if overrun */
-		if (dai->stream[SNDRV_PCM_STREAM_CAPTURE].active && substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
+		if (dai->stream_active[SNDRV_PCM_STREAM_CAPTURE] && substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
 			break;
 		}
 
@@ -252,8 +252,8 @@ static int seeed_voice_card_trigger(struct snd_pcm_substream *substream, int cmd
 			if (0 != schedule_work(&priv->work_codec_clk)) {
 			}
 		} else {
-			// if (_set_clock[SNDRV_PCM_STREAM_CAPTURE]) _set_clock[SNDRV_PCM_STREAM_CAPTURE](0, NULL, 0, NULL); /* not using 2nd to 4th arg if 1st == 0 */
+			if (_set_clock[SNDRV_PCM_STREAM_CAPTURE]) _set_clock[SNDRV_PCM_STREAM_CAPTURE](0, NULL, 0, NULL); /* not using 2nd to 4th arg if 1st == 0 */
-			// if (_set_clock[SNDRV_PCM_STREAM_PLAYBACK]) _set_clock[SNDRV_PCM_STREAM_PLAYBACK](0, NULL, 0, NULL); /* not using 2nd to 4th arg if 1st == 0 */
+			if (_set_clock[SNDRV_PCM_STREAM_PLAYBACK]) _set_clock[SNDRV_PCM_STREAM_PLAYBACK](0, NULL, 0, NULL); /* not using 2nd to 4th arg if 1st == 0 */
 		}
 		break;
 	default:
@@ -262,7 +262,7 @@ static int seeed_voice_card_trigger(struct snd_pcm_substream *substream, int cmd
 
 	dev_dbg(rtd->card->dev, "%s() stream=%s  cmd=%d play:%d, capt:%d;finished %d\n",
 		__FUNCTION__, snd_pcm_stream_str(substream), cmd,
-		dai->stream[SNDRV_PCM_STREAM_PLAYBACK].active, dai->stream[SNDRV_PCM_STREAM_CAPTURE].active, ret);
+		dai->stream_active[SNDRV_PCM_STREAM_PLAYBACK], dai->stream_active[SNDRV_PCM_STREAM_CAPTURE], ret);
 
 	return ret;
 }
@@ -311,7 +311,7 @@ static int asoc_simple_parse_dai(struct device_node *node,
 	 * 2) user need to rebind Sound Card everytime
 	 *    if he unbinded CPU or Codec.
 	 */
-	ret = snd_soc_of_get_dai_name(node, &dlc->dai_name, 0);
+	ret = snd_soc_of_get_dai_name(node, &dlc->dai_name);
 	if (ret < 0)
 		return ret;
 
@@ -354,11 +354,6 @@ static int asoc_simple_init_dai(struct snd_soc_dai *dai,
 }
 
 #if LINUX_VERSION_CODE >= KERNEL_VERSION(5,7,0)
-static inline int asoc_simple_component_is_codec(struct snd_soc_component *component)
-{
-	return component->driver->endianness;
-}
-
 static int asoc_simple_init_dai_link_params(struct snd_soc_pcm_runtime *rtd)
 {
 	struct snd_soc_dai_link *dai_link = rtd->dai_link;
@@ -367,9 +362,9 @@ static int asoc_simple_init_dai_link_params(struct snd_soc_pcm_runtime *rtd)
 	struct snd_pcm_hardware hw;
 	int i, ret, stream;
 
-	/* Only Codecs */
+	/* Only codecs should have non_legacy_dai_naming set. */
 	for_each_rtd_components(rtd, i, component) {
-		if (!asoc_simple_component_is_codec(component))
+		if (!component->driver->non_legacy_dai_naming)
 			return 0;
 	}
 
@@ -396,14 +391,8 @@ static int asoc_simple_init_dai_link_params(struct snd_soc_pcm_runtime *rtd)
 	params->channels_min = hw.channels_min;
 	params->channels_max = hw.channels_max;
 
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(6,4,0)
-	dai_link->c2c_params = params;
-	dai_link->num_c2c_params = 1;
-#else
-	/* apparently this goes back to 5.6.x */
 	dai_link->params = params;
 	dai_link->num_params = 1;
-#endif
 
 	return 0;
 }
@@ -897,9 +886,7 @@ static int seeed_voice_card_remove(struct platform_device *pdev)
 
 	if (cancel_work_sync(&priv->work_codec_clk) != 0) {
 	}
-	asoc_simple_clean_reference(card);
+	return asoc_simple_clean_reference(card);
-
-	return 0;
 }
 
 static const struct of_device_id seeed_voice_of_match[] = {

uninstall.sh

@@ -14,7 +14,6 @@ fi
 uname_r=$(uname -r)
 
 CONFIG=/boot/config.txt
-[ -f /boot/firmware/config.txt ] && CONFIG=/boot/firmware/config.txt
 [ -f /boot/firmware/usercfg.txt ] && CONFIG=/boot/firmware/usercfg.txt
 
 get_overlay() {

wm8960.c

@@ -1291,6 +1291,7 @@ static const struct snd_soc_codec_driver soc_codec_dev_wm8960 = {
 	.idle_bias_on		= 1,
 	.use_pmdown_time	= 1,
 	.endianness		= 1,
+	.non_legacy_dai_naming	= 1,
 	#endif
 };
 
@@ -1318,7 +1319,8 @@ static void wm8960_set_pdata_from_of(struct i2c_client *i2c,
 		pdata->shared_lrclk = true;
 }
 
-static int wm8960_i2c_probe(struct i2c_client *i2c)
+static int wm8960_i2c_probe(struct i2c_client *i2c,
+			    const struct i2c_device_id *id)
 {
 	struct wm8960_data *pdata = dev_get_platdata(&i2c->dev);
 	struct wm8960_priv *wm8960;
@@ -1383,9 +1385,10 @@ static int wm8960_i2c_probe(struct i2c_client *i2c)
 	return ret;
 }
 
-static void wm8960_i2c_remove(struct i2c_client *client)
+static int wm8960_i2c_remove(struct i2c_client *client)
 {
 	snd_soc_unregister_codec(&client->dev);
+	return 0;
 }
 
 static const struct i2c_device_id wm8960_i2c_id[] = {