From: 邱建斌 <qjb@rock-chips.com>
Date: Fri, 31 May 2013 03:29:43 +0000 (+0800)
Subject: rk30_i2s pcm: modify android record samplerate to 44100/48000
X-Git-Tag: firefly_0821_release~7025
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=2f1ecf8aaa7c88c8c7acebe0cc783d0df2572840;p=firefly-linux-kernel-4.4.55.git

rk30_i2s pcm: modify android record samplerate to 44100/48000
---

diff --git a/sound/soc/rk29/rk29_pcm.c b/sound/soc/rk29/rk29_pcm.c
index 20e43275ac9f..2b1f57bd5358 100755
--- a/sound/soc/rk29/rk29_pcm.c
+++ b/sound/soc/rk29/rk29_pcm.c
@@ -149,7 +149,6 @@ static void rockchip_pcm_enqueue(struct snd_pcm_substream *substream)
 				DBG("size = 1, channel = %d, flag = %d\n",prtd->params->channel,prtd->params->flag);
 			}
 
-
 			ret = rk29_dma_enqueue(prtd->params->channel,substream, pos, len);
 	//		if(prtd->params->channel == 2)
 				DBG("Enter::%s, %d, ret=%d, Channel=%d, Addr=0x%X, Len=%lu\n",
@@ -277,12 +276,14 @@ static int rockchip_pcm_hw_params(struct snd_pcm_substream *substream,
 	prtd->dma_period = params_period_bytes(params);
 	prtd->dma_start = runtime->dma_addr;
 	prtd->dma_pos = prtd->dma_start;
-	prtd->dma_end = prtd->dma_start + totbytes;
+	prtd->dma_end = prtd->dma_start + prtd->dma_limit*prtd->dma_period;
 	prtd->transfer_first = 1;
 	prtd->curr = NULL;
 	prtd->next = NULL;
 	prtd->end = NULL;
 	spin_unlock_irq(&prtd->lock);
+	printk(KERN_DEBUG "i2s dma info:periodsize(%ld),limit(%d),buffersize(%d),over(%d)\n",
+			prtd->dma_period,prtd->dma_limit,totbytes,totbytes-(prtd->dma_period*prtd->dma_limit));
 	return ret;
 }
 
diff --git a/sound/soc/rk29/rk30_i2s.c b/sound/soc/rk29/rk30_i2s.c
index d22d3173d516..ca8b55ce7971 100755
--- a/sound/soc/rk29/rk30_i2s.c
+++ b/sound/soc/rk29/rk30_i2s.c
@@ -37,7 +37,7 @@
 #include "rk29_pcm.h"
 #include "rk29_i2s.h"
 
-
+#define ANDROID_REC
 #if 0
 #define I2S_DBG(x...) printk(KERN_INFO x)
 #else
@@ -238,14 +238,9 @@ static int rockchip_i2s_set_fmt(struct snd_soc_dai *cpu_dai,
 			return -EINVAL;
 	}
 	I2S_DBG("Enter::%s----%d, I2S_TXCR=0x%X\n",__FUNCTION__,__LINE__,tx_ctl);
-#if 0//defined(CONFIG_SND_RK29_SOC_alc5631) || defined(CONFIG_SND_RK29_SOC_alc5621)
-	rx_ctl = tx_ctl;
-	rx_ctl &= ~I2S_MODE_MASK;   
-	rx_ctl |= I2S_SLAVE_MODE;  // set tx slave, rx master
-	writel(rx_ctl, &(pheadi2s->I2S_TXCR));
-#else
+
 	writel(tx_ctl, &(pheadi2s->I2S_TXCR));
-#endif
+
 	rx_ctl = tx_ctl & 0x00007FFF;
 	writel(rx_ctl, &(pheadi2s->I2S_RXCR));
 	return 0;
@@ -307,14 +302,9 @@ static int rockchip_i2s_hw_params(struct snd_pcm_substream *substream,
 
 	writel(dmarc, &(pheadi2s->I2S_DMACR));
 	I2S_DBG("Enter %s, %d I2S_TXCR=0x%08X\n", __func__, __LINE__, iismod);  
-#if 0//defined(CONFIG_SND_RK29_SOC_alc5631) || defined(CONFIG_SND_RK29_SOC_alc5621)
-	dmarc = iismod;
-	dmarc &= ~I2S_MODE_MASK;   
-	dmarc |= I2S_SLAVE_MODE;     // set tx slave, rx master
-	writel(dmarc, &(pheadi2s->I2S_TXCR));
-#else
+
 	writel(iismod, &(pheadi2s->I2S_TXCR));
-#endif
+
 	iismod = iismod & 0x00007FFF;
 	writel(iismod, &(pheadi2s->I2S_RXCR));   
 
@@ -427,8 +417,8 @@ int rockchip_i2s_resume(struct snd_soc_dai *cpu_dai)
 #define rockchip_i2s_resume NULL
 #endif
 
-#if defined(CONFIG_SND_RK29_SOC_alc5631) || defined(CONFIG_SND_RK29_SOC_alc5621)
-#define ROCKCHIP_I2S_RATES (SNDRV_PCM_RATE_44100)  //zyy 20110704, playback and record use same sample rate
+#ifdef ANDROID_REC
+#define ROCKCHIP_I2S_RATES (SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000)
 #else
 #define ROCKCHIP_I2S_RATES (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_11025 |\
 		            SNDRV_PCM_RATE_16000 | SNDRV_PCM_RATE_22050 |\
@@ -603,7 +593,7 @@ static int __devinit rockchip_i2s_probe(struct platform_device *pdev)
 	dai->playback.formats = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE | SNDRV_PCM_FMTBIT_S24_LE;
 	dai->capture.channels_min = 2;
 	dai->capture.channels_max = 2;
-	dai->capture.rates = ROCKCHIP_I2S_RATES;//;SNDRV_PCM_RATE_44100
+	dai->capture.rates = ROCKCHIP_I2S_RATES;
 	dai->capture.formats = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE | SNDRV_PCM_FMTBIT_S24_LE;
 	dai->probe = rockchip_i2s_dai_probe; 
 	dai->ops = &rockchip_i2s_dai_ops;