ENGR00154650-2 ESAI: add mx53 playback/record support

add driver codes for mx53 ard.
close esai clk when not used.
add delay when power on cs42888 to avoid noise

Signed-off-by: Gary Zhang <b13634@freescale.com>

4 files changed, 142 insertions, 66 deletions

diff --git a/sound/soc/codecs/cs42888.c b/sound/soc/codecs/cs42888.c
index dcaa65e492e4..e06eb30a1810 100644
--- a/sound/soc/codecs/cs42888.c
+++ b/sound/soc/codecs/cs42888.c
@@ -22,6 +22,7 @@
 #include <linux/platform_device.h>
 #include <linux/regulator/consumer.h>
 #include <linux/fsl_devices.h>
+#include <mach/hardware.h>
 
 #include <sound/core.h>
 #include <sound/pcm.h>
@@ -32,6 +33,7 @@
 #include <sound/initval.h>
 #include <asm/div64.h>
 #include "cs42888.h"
+
 #define CS42888_NUM_SUPPLIES 4
 static const char *cs42888_supply_names[CS42888_NUM_SUPPLIES] = {
 	"VA",
@@ -696,6 +698,7 @@ static int cs42888_hw_params(struct snd_pcm_substream *substream,
 		pr_err("i2c write failed\n");
 		return ret;
 	}
+	 msleep(400);
 
 	ret = cs42888_fill_cache(codec);
 	if (ret < 0) {
@@ -747,22 +750,35 @@ static struct snd_soc_dai_ops cs42888_dai_ops = {
 	.shutdown	= cs42888_shutdown,
 };
 
+
 struct snd_soc_dai_driver cs42888_dai = {
 	.name = "CS42888",
 	.playback = {
 		.stream_name = "Playback",
 		.channels_min = 1,
 		.channels_max = 8,
+#ifdef CONFIG_SOC_IMX53
+		.rates = (SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_96000 |\
+			SNDRV_PCM_RATE_192000),
+#endif
+#ifdef CONFIG_SOC_IMX6Q
 		.rates = (SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_88200 |\
 			SNDRV_PCM_RATE_176400),
+#endif
 		.formats = CS42888_FORMATS,
 	},
 	.capture = {
 		.stream_name = "Capture",
 		.channels_min = 1,
 		.channels_max = 4,
+#ifdef CONFIG_SOC_IMX53
+		.rates = (SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_96000 |\
+			SNDRV_PCM_RATE_192000),
+#endif
+#ifdef CONFIG_SOC_IMX6Q
 		.rates = (SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_88200 |\
 			SNDRV_PCM_RATE_176400),
+#endif
 		.formats = CS42888_FORMATS,
 	},
 	.ops = &cs42888_dai_ops,
@@ -790,22 +806,25 @@ static int cs42888_probe(struct snd_soc_codec *codec)
 		dev_err(codec->dev, "Failed to set cache I/O: %d\n", ret);
 		return ret;
 	}
+	if (cpu_is_mx6q()) {
+		for (i = 0; i < ARRAY_SIZE(cs42888->supplies); i++)
+			cs42888->supplies[i].supply = cs42888_supply_names[i];
+
+		ret = regulator_bulk_get(codec->dev,
+			ARRAY_SIZE(cs42888->supplies), cs42888->supplies);
+		if (ret != 0) {
+			dev_err(codec->dev, "Failed to request supplies: %d\n",
+				ret);
+			return ret;
+		}
 
-	for (i = 0; i < ARRAY_SIZE(cs42888->supplies); i++)
-		cs42888->supplies[i].supply = cs42888_supply_names[i];
-
-	ret = regulator_bulk_get(codec->dev, ARRAY_SIZE(cs42888->supplies),
-				 cs42888->supplies);
-	if (ret != 0) {
-		dev_err(codec->dev, "Failed to request supplies: %d\n", ret);
-		return ret;
-	}
-
-	ret = regulator_bulk_enable(ARRAY_SIZE(cs42888->supplies),
-				    cs42888->supplies);
-	if (ret != 0) {
-		dev_err(codec->dev, "Failed to enable supplies: %d\n", ret);
-		goto err;
+		ret = regulator_bulk_enable(ARRAY_SIZE(cs42888->supplies),
+				cs42888->supplies);
+		if (ret != 0) {
+			dev_err(codec->dev, "Failed to enable supplies: %d\n",
+				ret);
+			goto err;
+		}
 	}
 	msleep(1);
 
diff --git a/sound/soc/imx/Kconfig b/sound/soc/imx/Kconfig
index 67b773905184..63bf84144b19 100644
--- a/sound/soc/imx/Kconfig
+++ b/sound/soc/imx/Kconfig
@@ -61,7 +61,7 @@ config SND_SOC_IMX_SGTL5000
 
 config SND_SOC_IMX_CS42888
 	tristate "SoC Audio support for i.MX boards with cs42888"
-	depends on MACH_MX6Q_SABREAUTO
+	depends on MACH_MX6Q_SABREAUTO || MACH_MX53_ARD
 	select SND_SOC_CS42888
 	select SND_MXC_SOC_MX2
 	help
diff --git a/sound/soc/imx/imx-cs42888.c b/sound/soc/imx/imx-cs42888.c
index d9de9e63811b..8943534b958c 100644
--- a/sound/soc/imx/imx-cs42888.c
+++ b/sound/soc/imx/imx-cs42888.c
@@ -64,40 +64,73 @@ static int imx_3stack_surround_hw_params(struct snd_pcm_substream *substream,
 	unsigned int lrclk_ratio = 0;
 	if (clk_state.lr_clk_active > 1)
 		return 0;
-
-	switch (rate) {
-	case 32000:
-		lrclk_ratio = 5;
-		break;
-	case 48000:
-		lrclk_ratio = 5;
-		break;
-	case 64000:
-		lrclk_ratio = 2;
-		break;
-	case 96000:
-		lrclk_ratio = 2;
-		break;
-	case 128000:
-		lrclk_ratio = 2;
-		break;
-	case 44100:
-		lrclk_ratio = 5;
-		break;
-	case 88200:
-		lrclk_ratio = 2;
-		break;
-	case 176400:
-		lrclk_ratio = 0;
-		break;
-	case 192000:
-		lrclk_ratio = 0;
-		break;
-	default:
-		pr_info("Rate not support.\n");
-		return -EINVAL;;
+	if (cpu_is_mx53()) {
+		switch (rate) {
+		case 32000:
+			lrclk_ratio = 3;
+			break;
+		case 48000:
+			lrclk_ratio = 3;
+			break;
+		case 64000:
+			lrclk_ratio = 1;
+			break;
+		case 96000:
+			lrclk_ratio = 1;
+			break;
+		case 128000:
+			lrclk_ratio = 1;
+			break;
+		case 44100:
+			lrclk_ratio = 3;
+			break;
+		case 88200:
+			lrclk_ratio = 1;
+			break;
+		case 176400:
+			lrclk_ratio = 0;
+			break;
+		case 192000:
+			lrclk_ratio = 0;
+			break;
+		default:
+			pr_info("Rate not support.\n");
+			return -EINVAL;;
+		}
+	} else if (cpu_is_mx6q()) {
+		switch (rate) {
+		case 32000:
+			lrclk_ratio = 5;
+			break;
+		case 48000:
+			lrclk_ratio = 5;
+			break;
+		case 64000:
+			lrclk_ratio = 2;
+			break;
+		case 96000:
+			lrclk_ratio = 2;
+			break;
+		case 128000:
+			lrclk_ratio = 2;
+			break;
+		case 44100:
+			lrclk_ratio = 5;
+			break;
+		case 88200:
+			lrclk_ratio = 2;
+			break;
+		case 176400:
+			lrclk_ratio = 0;
+			break;
+		case 192000:
+			lrclk_ratio = 0;
+			break;
+		default:
+			pr_info("Rate not support.\n");
+			return -EINVAL;;
+		}
 	}
-
 	dai_format = SND_SOC_DAIFMT_LEFT_J | SND_SOC_DAIFMT_NB_NF |
 	    SND_SOC_DAIFMT_CBS_CFS;
 
@@ -107,11 +140,19 @@ static int imx_3stack_surround_hw_params(struct snd_pcm_substream *substream,
 	/* set i.MX active slot mask */
 	snd_soc_dai_set_tdm_slot(cpu_dai, 0x3, 0x3, 2, 32);
 	/* set the ESAI system clock as output */
-	snd_soc_dai_set_sysclk(cpu_dai, ESAI_CLK_EXTAL_DIV,
-		mclk_freq, SND_SOC_CLOCK_OUT);
+	if (cpu_is_mx53()) {
+		snd_soc_dai_set_sysclk(cpu_dai, ESAI_CLK_EXTAL,
+			mclk_freq, SND_SOC_CLOCK_OUT);
+	} else if (cpu_is_mx6q()) {
+		snd_soc_dai_set_sysclk(cpu_dai, ESAI_CLK_EXTAL_DIV,
+			mclk_freq, SND_SOC_CLOCK_OUT);
+	}
 	/* set the ratio */
 	snd_soc_dai_set_clkdiv(cpu_dai, ESAI_TX_DIV_PSR, 1);
-	snd_soc_dai_set_clkdiv(cpu_dai, ESAI_TX_DIV_PM, 2);
+	if (cpu_is_mx53())
+		snd_soc_dai_set_clkdiv(cpu_dai, ESAI_TX_DIV_PM, 0);
+	else if (cpu_is_mx6q())
+		snd_soc_dai_set_clkdiv(cpu_dai, ESAI_TX_DIV_PM, 2);
 	snd_soc_dai_set_clkdiv(cpu_dai, ESAI_TX_DIV_FP, lrclk_ratio);
 	snd_soc_dai_set_clkdiv(cpu_dai, ESAI_RX_DIV_PSR, 1);
 	snd_soc_dai_set_clkdiv(cpu_dai, ESAI_RX_DIV_PM, 0);
@@ -171,7 +212,12 @@ static struct snd_soc_dai_link imx_3stack_dai[] = {
 	.name = "HiFi",
 	.stream_name = "HiFi",
 	.codec_dai_name = "CS42888",
+#ifdef CONFIG_SOC_IMX53
+	.codec_name = "cs42888.1-0048",
+#endif
+#ifdef CONFIG_SOC_IMX6Q
 	.codec_name = "cs42888.0-0048",
+#endif
 	.cpu_dai_name = "imx-esai.0",
 	.platform_name = "imx-pcm-audio.0",
 	.init = imx_3stack_cs42888_init,
@@ -180,7 +226,7 @@ static struct snd_soc_dai_link imx_3stack_dai[] = {
 };
 
 static struct snd_soc_card snd_soc_card_imx_3stack = {
-	.name = "imx-3stack",
+	.name = "cs42888-audio",
 	.dai_link = imx_3stack_dai,
 	.num_links = ARRAY_SIZE(imx_3stack_dai),
 };
@@ -219,7 +265,7 @@ static int __init imx_3stack_asoc_init(void)
 	if (ret < 0)
 		goto exit;
 
-	imx_3stack_snd_device = platform_device_alloc("soc-audio", 1);
+	imx_3stack_snd_device = platform_device_alloc("soc-audio", 2);
 	if (!imx_3stack_snd_device)
 		goto err_device_alloc;
 	platform_set_drvdata(imx_3stack_snd_device, &snd_soc_card_imx_3stack);
diff --git a/sound/soc/imx/imx-esai.c b/sound/soc/imx/imx-esai.c
index c07b69bec975..3a31d079796b 100644
--- a/sound/soc/imx/imx-esai.c
+++ b/sound/soc/imx/imx-esai.c
@@ -246,14 +246,14 @@ static int imx_esai_set_dai_fmt(struct snd_soc_dai *cpu_dai, unsigned int fmt)
 	}
 
 	/* sync */
-	if (esai->flags == IMX_ESAI_SYN)
+	if (esai->flags & IMX_ESAI_SYN)
 		saicr |= ESAI_SAICR_SYNC;
 	else
 		saicr &= ~ESAI_SAICR_SYNC;
 
 	tcr &= ESAI_TCR_TMOD_MASK;
 	rcr &= ESAI_RCR_RMOD_MASK;
-	if (esai->flags == IMX_ESAI_NET) {
+	if (esai->flags & IMX_ESAI_NET) {
 		tcr |= ESAI_TCR_TMOD_NETWORK;
 		rcr |= ESAI_RCR_RMOD_NETWORK;
 	} else {
@@ -277,6 +277,8 @@ static int imx_esai_startup(struct snd_pcm_substream *substream,
 {
 	struct imx_esai *esai = snd_soc_dai_get_drvdata(cpu_dai);
 
+	clk_enable(esai->clk);
+
 	writel(ESAI_ECR_ERST, esai->base + ESAI_ECR);
 	writel(ESAI_ECR_ESAIEN, esai->base + ESAI_ECR);
 
@@ -303,14 +305,6 @@ static int imx_esai_hw_tx_params(struct snd_pcm_substream *substream,
 	struct imx_esai *esai = snd_soc_dai_get_drvdata(cpu_dai);
 	u32 tcr, tfcr;
 	unsigned int channels;
-	struct imx_pcm_dma_params *dma_data;
-	/* Tx/Rx config */
-	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
-		dma_data = &esai->dma_params_tx;
-	else
-		dma_data = &esai->dma_params_rx;
-
-	snd_soc_dai_set_dma_data(cpu_dai, substream, dma_data);
 
 	tcr = readl(esai->base + ESAI_TCR);
 	tfcr = readl(esai->base + ESAI_TFCR);
@@ -403,18 +397,36 @@ static int imx_esai_hw_params(struct snd_pcm_substream *substream,
 			      struct snd_soc_dai *cpu_dai)
 {
 	struct imx_esai *esai = snd_soc_dai_get_drvdata(cpu_dai);
+	struct imx_pcm_dma_params *dma_data;
+
 	/* Tx/Rx config */
 	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
 		if (readl(esai->base + ESAI_TCR) & ESAI_TCR_TE0)
 			return 0;
+
+		dma_data = &esai->dma_params_tx;
+		snd_soc_dai_set_dma_data(cpu_dai, substream, dma_data);
 		return imx_esai_hw_tx_params(substream, params, cpu_dai);
 	} else {
 		if (readl(esai->base + ESAI_RCR) & ESAI_RCR_RE1)
 			return 0;
+
+		dma_data = &esai->dma_params_rx;
+		snd_soc_dai_set_dma_data(cpu_dai, substream, dma_data);
 		return imx_esai_hw_rx_params(substream, params, cpu_dai);
 	}
 }
 
+static void imx_esai_shutdown(struct snd_pcm_substream *substream,
+			      struct snd_soc_dai *cpu_dai)
+{
+	struct imx_esai *esai = snd_soc_dai_get_drvdata(cpu_dai);
+
+	/* close easi clock */
+	clk_disable(esai->clk);
+
+}
+
 static int imx_esai_trigger(struct snd_pcm_substream *substream, int cmd,
 			    struct snd_soc_dai *cpu_dai)
 {
@@ -508,6 +520,7 @@ static int imx_esai_resume(struct snd_soc_dai *cpu_dai)
 
 static struct snd_soc_dai_ops imx_esai_dai_ops = {
 	.startup = imx_esai_startup,
+	.shutdown = imx_esai_shutdown,
 	.trigger = imx_esai_trigger,
 	.hw_params = imx_esai_hw_params,
 	.set_sysclk = imx_esai_set_dai_sysclk,
@@ -568,7 +581,6 @@ static int imx_esai_probe(struct platform_device *pdev)
 			ret);
 		goto failed_clk;
 	}
-	clk_enable(esai->clk);
 
 	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
 	if (!res) {
@@ -672,7 +684,6 @@ static int __devexit imx_esai_remove(struct platform_device *pdev)
 
 	iounmap(esai->base);
 	release_mem_region(res->start, resource_size(res));
-	clk_disable(esai->clk);
 	clk_put(esai->clk);
 	kfree(esai);