1 files changed, 127 insertions, 121 deletions

diff --git a/sound/soc/codecs/ad1980.c b/sound/soc/codecs/ad1980.c
index 73fdbb4d4a3..304d3003339 100644
--- a/sound/soc/codecs/ad1980.c
+++ b/sound/soc/codecs/ad1980.c
@@ -11,7 +11,16 @@
  *  option) any later version.
  */
 
+/*
+ * WARNING:
+ *
+ * Because Analog Devices Inc. discontinued the ad1980 sound chip since
+ * Sep. 2009, this ad1980 driver is not maintained, tested and supported
+ * by ADI now.
+ */
+
 #include <linux/init.h>
+#include <linux/slab.h>
 #include <linux/module.h>
 #include <linux/kernel.h>
 #include <linux/device.h>
@@ -20,15 +29,9 @@
 #include <sound/ac97_codec.h>
 #include <sound/initval.h>
 #include <sound/soc.h>
-#include <sound/soc-dapm.h>
 
 #include "ad1980.h"
 
-static unsigned int ac97_read(struct snd_soc_codec *codec,
-	unsigned int reg);
-static int ac97_write(struct snd_soc_codec *codec,
-	unsigned int reg, unsigned int val);
-
 /*
  * AD1980 register cache
  */
@@ -54,8 +57,8 @@ static const u16 ad1980_reg[] = {
 static const char *ad1980_rec_sel[] = {"Mic", "CD", "NC", "AUX", "Line",
 		"Stereo Mix", "Mono Mix", "Phone"};
 
-static const struct soc_enum ad1980_cap_src =
-	SOC_ENUM_DOUBLE(AC97_REC_SEL, 8, 0, 7, ad1980_rec_sel);
+static SOC_ENUM_DOUBLE_DECL(ad1980_cap_src,
+			    AC97_REC_SEL, 8, 0, ad1980_rec_sel);
 
 static const struct snd_kcontrol_new ad1980_snd_ac97_controls[] = {
 SOC_DOUBLE("Master Playback Volume", AC97_MASTER, 8, 0, 31, 1),
@@ -93,19 +96,43 @@ SOC_ENUM("Capture Source", ad1980_cap_src),
 SOC_SINGLE("Mic Boost Switch", AC97_MIC, 6, 1, 0),
 };
 
-/* add non dapm controls */
-static int ad1980_add_controls(struct snd_soc_codec *codec)
-{
-	int err, i;
+static const struct snd_soc_dapm_widget ad1980_dapm_widgets[] = {
+SND_SOC_DAPM_INPUT("MIC1"),
+SND_SOC_DAPM_INPUT("MIC2"),
+SND_SOC_DAPM_INPUT("CD_L"),
+SND_SOC_DAPM_INPUT("CD_R"),
+SND_SOC_DAPM_INPUT("AUX_L"),
+SND_SOC_DAPM_INPUT("AUX_R"),
+SND_SOC_DAPM_INPUT("LINE_IN_L"),
+SND_SOC_DAPM_INPUT("LINE_IN_R"),
+
+SND_SOC_DAPM_OUTPUT("LFE_OUT"),
+SND_SOC_DAPM_OUTPUT("CENTER_OUT"),
+SND_SOC_DAPM_OUTPUT("LINE_OUT_L"),
+SND_SOC_DAPM_OUTPUT("LINE_OUT_R"),
+SND_SOC_DAPM_OUTPUT("MONO_OUT"),
+SND_SOC_DAPM_OUTPUT("HP_OUT_L"),
+SND_SOC_DAPM_OUTPUT("HP_OUT_R"),
+};
 
-	for (i = 0; i < ARRAY_SIZE(ad1980_snd_ac97_controls); i++) {
-		err = snd_ctl_add(codec->card, snd_soc_cnew(
-				&ad1980_snd_ac97_controls[i], codec, NULL));
-		if (err < 0)
-			return err;
-	}
-	return 0;
-}
+static const struct snd_soc_dapm_route ad1980_dapm_routes[] = {
+	{ "Capture", NULL, "MIC1" },
+	{ "Capture", NULL, "MIC2" },
+	{ "Capture", NULL, "CD_L" },
+	{ "Capture", NULL, "CD_R" },
+	{ "Capture", NULL, "AUX_L" },
+	{ "Capture", NULL, "AUX_R" },
+	{ "Capture", NULL, "LINE_IN_L" },
+	{ "Capture", NULL, "LINE_IN_R" },
+
+	{ "LFE_OUT", NULL, "Playback" },
+	{ "CENTER_OUT", NULL, "Playback" },
+	{ "LINE_OUT_L", NULL, "Playback" },
+	{ "LINE_OUT_R", NULL, "Playback" },
+	{ "MONO_OUT", NULL, "Playback" },
+	{ "HP_OUT_L", NULL, "Playback" },
+	{ "HP_OUT_R", NULL, "Playback" },
+};
 
 static unsigned int ac97_read(struct snd_soc_codec *codec,
 	unsigned int reg)
@@ -119,11 +146,11 @@ static unsigned int ac97_read(struct snd_soc_codec *codec,
 	case AC97_EXTENDED_STATUS:
 	case AC97_VENDOR_ID1:
 	case AC97_VENDOR_ID2:
-		return soc_ac97_ops.read(codec->ac97, reg);
+		return soc_ac97_ops->read(codec->ac97, reg);
 	default:
 		reg = reg >> 1;
 
-		if (reg >= (ARRAY_SIZE(ad1980_reg)))
+		if (reg >= ARRAY_SIZE(ad1980_reg))
 			return -EINVAL;
 
 		return cache[reg];
@@ -135,108 +162,73 @@ static int ac97_write(struct snd_soc_codec *codec, unsigned int reg,
 {
 	u16 *cache = codec->reg_cache;
 
-	soc_ac97_ops.write(codec->ac97, reg, val);
+	soc_ac97_ops->write(codec->ac97, reg, val);
 	reg = reg >> 1;
-	if (reg < (ARRAY_SIZE(ad1980_reg)))
+	if (reg < ARRAY_SIZE(ad1980_reg))
 		cache[reg] = val;
 
 	return 0;
 }
 
-struct snd_soc_dai ad1980_dai = {
-	.name = "AC97",
+static struct snd_soc_dai_driver ad1980_dai = {
+	.name = "ad1980-hifi",
 	.ac97_control = 1,
 	.playback = {
 		.stream_name = "Playback",
 		.channels_min = 2,
 		.channels_max = 6,
 		.rates = SNDRV_PCM_RATE_48000,
-		.formats = SNDRV_PCM_FMTBIT_S16_LE, },
+		.formats = SND_SOC_STD_AC97_FMTS, },
 	.capture = {
 		.stream_name = "Capture",
 		.channels_min = 2,
 		.channels_max = 2,
 		.rates = SNDRV_PCM_RATE_48000,
-		.formats = SNDRV_PCM_FMTBIT_S16_LE, },
+		.formats = SND_SOC_STD_AC97_FMTS, },
 };
-EXPORT_SYMBOL_GPL(ad1980_dai);
 
 static int ad1980_reset(struct snd_soc_codec *codec, int try_warm)
 {
-	u16 retry_cnt = 0;
-
-retry:
-	if (try_warm && soc_ac97_ops.warm_reset) {
-		soc_ac97_ops.warm_reset(codec->ac97);
-		if (ac97_read(codec, AC97_RESET) == 0x0090)
-			return 1;
-	}
-
-	soc_ac97_ops.reset(codec->ac97);
-	/* Set bit 16slot in register 74h, then every slot will has only 16
-	 * bits. This command is sent out in 20bit mode, in which case the
-	 * first nibble of data is eaten by the addr. (Tag is always 16 bit)*/
-	ac97_write(codec, AC97_AD_SERIAL_CFG, 0x9900);
-
-	if (ac97_read(codec, AC97_RESET)  != 0x0090)
-		goto err;
-	return 0;
-
-err:
-	while (retry_cnt++ < 10)
-		goto retry;
+	unsigned int retry_cnt = 0;
+
+	do {
+		if (try_warm && soc_ac97_ops->warm_reset) {
+			soc_ac97_ops->warm_reset(codec->ac97);
+			if (ac97_read(codec, AC97_RESET) == 0x0090)
+				return 1;
+		}
+
+		soc_ac97_ops->reset(codec->ac97);
+		/*
+		 * Set bit 16slot in register 74h, then every slot will has only
+		 * 16 bits. This command is sent out in 20bit mode, in which
+		 * case the first nibble of data is eaten by the addr. (Tag is
+		 * always 16 bit)
+		 */
+		ac97_write(codec, AC97_AD_SERIAL_CFG, 0x9900);
+
+		if (ac97_read(codec, AC97_RESET)  == 0x0090)
+			return 0;
+	} while (retry_cnt++ < 10);
 
 	printk(KERN_ERR "AD1980 AC97 reset failed\n");
 	return -EIO;
 }
 
-static int ad1980_soc_probe(struct platform_device *pdev)
+static int ad1980_soc_probe(struct snd_soc_codec *codec)
 {
-	struct snd_soc_device *socdev = platform_get_drvdata(pdev);
-	struct snd_soc_codec *codec;
-	int ret = 0;
+	int ret;
 	u16 vendor_id2;
 	u16 ext_status;
 
 	printk(KERN_INFO "AD1980 SoC Audio Codec\n");
 
-	socdev->codec = kzalloc(sizeof(struct snd_soc_codec), GFP_KERNEL);
-	if (socdev->codec == NULL)
-		return -ENOMEM;
-	codec = socdev->codec;
-	mutex_init(&codec->mutex);
-
-	codec->reg_cache =
-		kzalloc(sizeof(u16) * ARRAY_SIZE(ad1980_reg), GFP_KERNEL);
-	if (codec->reg_cache == NULL) {
-		ret = -ENOMEM;
-		goto cache_err;
-	}
-	memcpy(codec->reg_cache, ad1980_reg, sizeof(u16) * \
-			ARRAY_SIZE(ad1980_reg));
-	codec->reg_cache_size = sizeof(u16) * ARRAY_SIZE(ad1980_reg);
-	codec->reg_cache_step = 2;
-	codec->name = "AD1980";
-	codec->owner = THIS_MODULE;
-	codec->dai = &ad1980_dai;
-	codec->num_dai = 1;
-	codec->write = ac97_write;
-	codec->read = ac97_read;
-	INIT_LIST_HEAD(&codec->dapm_widgets);
-	INIT_LIST_HEAD(&codec->dapm_paths);
-
-	ret = snd_soc_new_ac97_codec(codec, &soc_ac97_ops, 0);
+	ret = snd_soc_new_ac97_codec(codec, soc_ac97_ops, 0);
 	if (ret < 0) {
 		printk(KERN_ERR "ad1980: failed to register AC97 codec\n");
-		goto codec_err;
+		return ret;
 	}
 
-	/* register pcms */
-	ret = snd_soc_new_pcms(socdev, SNDRV_DEFAULT_IDX1, SNDRV_DEFAULT_STR1);
-	if (ret < 0)
-		goto pcm_err;
-
-
 	ret = ad1980_reset(codec, 0);
 	if (ret < 0) {
 		printk(KERN_ERR "Failed to reset AD1980: AC97 link error\n");
@@ -244,18 +236,22 @@ static int ad1980_soc_probe(struct platform_device *pdev)
 	}
 
 	/* Read out vendor ID to make sure it is ad1980 */
-	if (ac97_read(codec, AC97_VENDOR_ID1) != 0x4144)
+	if (ac97_read(codec, AC97_VENDOR_ID1) != 0x4144) {
+		ret = -ENODEV;
 		goto reset_err;
+	}
 
 	vendor_id2 = ac97_read(codec, AC97_VENDOR_ID2);
 
 	if (vendor_id2 != 0x5370) {
-		if (vendor_id2 != 0x5374)
+		if (vendor_id2 != 0x5374) {
+			ret = -ENODEV;
 			goto reset_err;
-		else
+		} else {
 			printk(KERN_WARNING "ad1980: "
 				"Found AD1981 - only 2/2 IN/OUT Channels "
 				"supported\n");
+		}
 	}
 
 	/* unmute captures and playbacks volume */
@@ -269,52 +265,62 @@ static int ad1980_soc_probe(struct platform_device *pdev)
 	ext_status = ac97_read(codec, AC97_EXTENDED_STATUS);
 	ac97_write(codec, AC97_EXTENDED_STATUS, ext_status&~0x3800);
 
-	ad1980_add_controls(codec);
-	ret = snd_soc_init_card(socdev);
-	if (ret < 0) {
-		printk(KERN_ERR "ad1980: failed to register card\n");
-		goto reset_err;
-	}
+	snd_soc_add_codec_controls(codec, ad1980_snd_ac97_controls,
+				ARRAY_SIZE(ad1980_snd_ac97_controls));
 
 	return 0;
 
 reset_err:
-	snd_soc_free_pcms(socdev);
-
-pcm_err:
 	snd_soc_free_ac97_codec(codec);
-
-codec_err:
-	kfree(codec->reg_cache);
-
-cache_err:
-	kfree(socdev->codec);
-	socdev->codec = NULL;
 	return ret;
 }
 
-static int ad1980_soc_remove(struct platform_device *pdev)
+static int ad1980_soc_remove(struct snd_soc_codec *codec)
 {
-	struct snd_soc_device *socdev = platform_get_drvdata(pdev);
-	struct snd_soc_codec *codec = socdev->codec;
-
-	if (codec == NULL)
-		return 0;
-
-	snd_soc_dapm_free(socdev);
-	snd_soc_free_pcms(socdev);
 	snd_soc_free_ac97_codec(codec);
-	kfree(codec->reg_cache);
-	kfree(codec);
 	return 0;
 }
 
-struct snd_soc_codec_device soc_codec_dev_ad1980 = {
+static struct snd_soc_codec_driver soc_codec_dev_ad1980 = {
 	.probe = 	ad1980_soc_probe,
 	.remove = 	ad1980_soc_remove,
+	.reg_cache_size = ARRAY_SIZE(ad1980_reg),
+	.reg_word_size = sizeof(u16),
+	.reg_cache_default = ad1980_reg,
+	.reg_cache_step = 2,
+	.write = ac97_write,
+	.read = ac97_read,
+
+	.dapm_widgets = ad1980_dapm_widgets,
+	.num_dapm_widgets = ARRAY_SIZE(ad1980_dapm_widgets),
+	.dapm_routes = ad1980_dapm_routes,
+	.num_dapm_routes = ARRAY_SIZE(ad1980_dapm_routes),
+};
+
+static int ad1980_probe(struct platform_device *pdev)
+{
+	return snd_soc_register_codec(&pdev->dev,
+			&soc_codec_dev_ad1980, &ad1980_dai, 1);
+}
+
+static int ad1980_remove(struct platform_device *pdev)
+{
+	snd_soc_unregister_codec(&pdev->dev);
+	return 0;
+}
+
+static struct platform_driver ad1980_codec_driver = {
+	.driver = {
+			.name = "ad1980",
+			.owner = THIS_MODULE,
+	},
+
+	.probe = ad1980_probe,
+	.remove = ad1980_remove,
 };
-EXPORT_SYMBOL_GPL(soc_codec_dev_ad1980);
 
-MODULE_DESCRIPTION("ASoC ad1980 driver");
+module_platform_driver(ad1980_codec_driver);
+
+MODULE_DESCRIPTION("ASoC ad1980 driver (Obsolete)");
 MODULE_AUTHOR("Roy Huang, Cliff Cai");
 MODULE_LICENSE("GPL");