audio: meson: fix i2s/spdif buffer for split mode when bootup to play

PD#162285: audio: meson: fix i2s/spdif buffer for split mode when bootup to play

Change-Id: I730993dd183cee40c92d232414d6752f75cb2b06
Signed-off-by: Xing Wang <xing.wang@amlogic.com>

4 files changed, 30 insertions, 17 deletions

diff --git a/sound/soc/amlogic/meson/audio_hw.c b/sound/soc/amlogic/meson/audio_hw.c
index 4a442e6..3c855ba 100644
--- a/sound/soc/amlogic/meson/audio_hw.c
+++ b/sound/soc/amlogic/meson/audio_hw.c
@@ -168,20 +168,19 @@ void audio_set_aiubuf(u32 addr, u32 size, unsigned int channel)
 
 void audio_set_958outbuf(u32 addr, u32 size, int flag)
 {
+#ifdef CONFIG_AMLOGIC_SND_SPLIT_MODE
+	aml_write_cbus(AIU_MEM_IEC958_START_PTR, addr & 0xffffff00);
+	aml_write_cbus(AIU_MEM_IEC958_RD_PTR, addr & 0xffffff00);
+#else
 	aml_write_cbus(AIU_MEM_IEC958_START_PTR, addr & 0xffffffc0);
-	if (aml_read_cbus(AIU_MEM_IEC958_START_PTR) ==
-	    aml_read_cbus(AIU_MEM_I2S_START_PTR)) {
-		aml_write_cbus(AIU_MEM_IEC958_RD_PTR,
-			       aml_read_cbus(AIU_MEM_I2S_RD_PTR));
-	} else
-		aml_write_cbus(AIU_MEM_IEC958_RD_PTR,
-			       addr & 0xffffffc0);
+	aml_write_cbus(AIU_MEM_IEC958_RD_PTR, addr & 0xffffffc0);
+#endif
 	if (flag == 0) {
 		/* this is for 16bit 2 channel */
 #ifdef CONFIG_AMLOGIC_SND_SPLIT_MODE
 		aml_write_cbus(AIU_MEM_IEC958_END_PTR,
-			       (addr & 0xffffffc0) +
-			       (size & 0xffffffc0) - 8);
+			       (addr & 0xffffff00) +
+			       (size & 0xffffff00) - 256);
 #else
 		aml_write_cbus(AIU_MEM_IEC958_END_PTR,
 			       (addr & 0xffffffc0) +
@@ -191,8 +190,8 @@ void audio_set_958outbuf(u32 addr, u32 size, int flag)
 		/* this is for RAW mode */
 #ifdef CONFIG_AMLOGIC_SND_SPLIT_MODE
 		aml_write_cbus(AIU_MEM_IEC958_END_PTR,
-					(addr & 0xffffffc0) +
-					(size & 0xffffffc0) - 8);
+					(addr & 0xffffff00) +
+					(size & 0xffffff00) - 256);
 #else
 		aml_write_cbus(AIU_MEM_IEC958_END_PTR,
 			       (addr & 0xffffffc0) +
diff --git a/sound/soc/amlogic/meson/audio_hw.h b/sound/soc/amlogic/meson/audio_hw.h
index dc0397c..a95826b 100644
--- a/sound/soc/amlogic/meson/audio_hw.h
+++ b/sound/soc/amlogic/meson/audio_hw.h
@@ -111,6 +111,12 @@ enum {
 #define AUDIO_ALGOUT_DAC_FORMAT_DSP             0
 #define AUDIO_ALGOUT_DAC_FORMAT_LEFT_JUSTIFY    1
 
+#ifdef CONFIG_AMLOGIC_SND_SPLIT_MODE
+#define DEFAULT_PLAYBACK_SIZE      256
+#else
+#define DEFAULT_PLAYBACK_SIZE      64
+#endif
+
 extern unsigned int IEC958_MODE;
 extern unsigned int I2S_MODE;
 extern unsigned int audio_in_source;
diff --git a/sound/soc/amlogic/meson/meson.c b/sound/soc/amlogic/meson/meson.c
index f011369..80faed7 100644
--- a/sound/soc/amlogic/meson/meson.c
+++ b/sound/soc/amlogic/meson/meson.c
@@ -54,17 +54,22 @@
 
 #define DRV_NAME "aml_meson_snd_card"
 
-static int i2sbuf[32 + 16];
+static int i2sbuf[DEFAULT_PLAYBACK_SIZE];
 static void aml_i2s_play(void)
 {
-	audio_util_set_dac_i2s_format(AUDIO_ALGOUT_DAC_FORMAT_DSP);
+	int size = DEFAULT_PLAYBACK_SIZE;
+
+        audio_util_set_dac_i2s_format(AUDIO_ALGOUT_DAC_FORMAT_DSP);
 #ifdef CONFIG_AMLOGIC_SND_SPLIT_MODE
 	audio_set_i2s_mode(AIU_I2S_MODE_PCM16, 2);
 #else
 	audio_set_i2s_mode(AIU_I2S_MODE_PCM16);
 #endif
 	memset(i2sbuf, 0, sizeof(i2sbuf));
-	audio_set_aiubuf((virt_to_phys(i2sbuf) + 63) & (~63), 128, 2);
+	audio_set_aiubuf((virt_to_phys(i2sbuf)
+		+ (DEFAULT_PLAYBACK_SIZE - 1))
+			& (~(DEFAULT_PLAYBACK_SIZE - 1)),
+		size, 2);
 	audio_out_i2s_enable(1);
 
 }
diff --git a/sound/soc/amlogic/meson/spdif_dai.c b/sound/soc/amlogic/meson/spdif_dai.c
index 080eea3..84302ae 100644
--- a/sound/soc/amlogic/meson/spdif_dai.c
+++ b/sound/soc/amlogic/meson/spdif_dai.c
@@ -99,11 +99,12 @@ void aml_spdif_play(int samesrc)
 {
 	if (!is_meson_tv_chipset()) {
 		uint div = 0;
-		static int iec958buf[32 + 16];
+		static int iec958buf[DEFAULT_PLAYBACK_SIZE];
 		struct _aiu_958_raw_setting_t set;
 		struct _aiu_958_channel_status_t chstat;
 		struct snd_pcm_substream substream;
 		struct snd_pcm_runtime runtime;
+		int size = DEFAULT_PLAYBACK_SIZE;
 
 		substream.runtime = &runtime;
 		runtime.rate = 48000;
@@ -143,8 +144,10 @@ void aml_spdif_play(int samesrc)
 		/*clear the same source function as new raw data output */
 		audio_i2s_958_same_source(samesrc);
 		memset(iec958buf, 0, sizeof(iec958buf));
-		audio_set_958outbuf((virt_to_phys(iec958buf) + 63) & (~63),
-					128, 0);
+		audio_set_958outbuf((virt_to_phys(iec958buf)
+			+ (DEFAULT_PLAYBACK_SIZE - 1))
+				& (~(DEFAULT_PLAYBACK_SIZE - 1)),
+			size, 0);
 		audio_set_958_mode(AIU_958_MODE_PCM16, &set);
 		aout_notifier_call_chain(AOUT_EVENT_IEC_60958_PCM, &substream);
 		audio_hw_958_enable(1);