audio: support 48k out & 16k loopback [1/1]

PD#SWPL-7741

Problem:
Enable the loopback function.
Fix 48k output & 16k loopback abnormal.

Solution:
Fix the resample source.
DO not touch output clk at loopback driver.

Verify:
Sm1, AC213

Change-Id: I210083813e9e6ec834941da333f8ce076e9afbcf
Signed-off-by: Shuai Li <shuai.li@amlogic.com>

5 files changed, 16 insertions, 17 deletions

diff --git a/sound/soc/amlogic/auge/ddr_mngr.c b/sound/soc/amlogic/auge/ddr_mngr.c
index baa4fa7..da98f08 100644
--- a/sound/soc/amlogic/auge/ddr_mngr.c
+++ b/sound/soc/amlogic/auge/ddr_mngr.c
@@ -566,7 +566,6 @@ static void aml_resample_enable(
 	if (to->chipinfo
 			&& to->chipinfo->asrc_src_sel_ctrl) {
 		/* fix asrc_src_sel */
-		/*
 		switch (p_attach_resample->attach_module) {
 		case LOOPBACK_A:
 			to->asrc_src_sel = ASRC_LOOPBACK_A;
@@ -578,8 +577,8 @@ static void aml_resample_enable(
 			to->asrc_src_sel = to->fifo_id;
 			break;
 		}
-		*/
-		to->asrc_src_sel = p_attach_resample->attach_module;
+
+		/*to->asrc_src_sel = p_attach_resample->attach_module;*/
 	}
 
 	pr_info("toddr %d selects data to %s resample_%c for module:%s\n",
diff --git a/sound/soc/amlogic/auge/ddr_mngr.h b/sound/soc/amlogic/auge/ddr_mngr.h
index c9e2203..a47a002 100644
--- a/sound/soc/amlogic/auge/ddr_mngr.h
+++ b/sound/soc/amlogic/auge/ddr_mngr.h
@@ -173,7 +173,7 @@ struct toddr {
 	enum toddr_src src;
 	unsigned int fifo_id;
 
-	enum toddr_src asrc_src_sel;
+	enum resample_src asrc_src_sel;
 
 	int is_lb; /* check whether for loopback */
 	int irq;
diff --git a/sound/soc/amlogic/auge/loopback.c b/sound/soc/amlogic/auge/loopback.c
index 95178bd..31fe198 100644
--- a/sound/soc/amlogic/auge/loopback.c
+++ b/sound/soc/amlogic/auge/loopback.c
@@ -364,7 +364,7 @@ static void datain_pdm_shutdown(struct loopback *p_loopback)
 	clk_disable_unprepare(p_loopback->pdm_dclk_srcpll);
 	clk_disable_unprepare(p_loopback->pdm_clk_gate);
 }
-
+#if 0
 static int tdminlb_startup(struct loopback *p_loopback)
 {
 	int ret;
@@ -394,7 +394,7 @@ static void tdminlb_shutdown(struct loopback *p_loopback)
 	clk_disable_unprepare(p_loopback->tdminlb_mclk);
 	clk_disable_unprepare(p_loopback->tdminlb_mpll);
 }
-
+#endif
 static int loopback_dai_startup(
 	struct snd_pcm_substream *ss,
 	struct snd_soc_dai *dai)
@@ -431,7 +431,7 @@ static int loopback_dai_startup(
 	/* datalb */
 	switch (p_loopback->datalb_src) {
 	case TDMINLB_TDMOUTA ... TDMINLB_PAD_TDMINC:
-		tdminlb_startup(p_loopback);
+		/*tdminlb_startup(p_loopback);*/
 		break;
 	case SPDIFINLB_SPDIFOUTA ... SPDIFINLB_SPDIFOUTB:
 		break;
@@ -473,7 +473,7 @@ static void loopback_dai_shutdown(
 	/* datalb */
 	switch (p_loopback->datalb_src) {
 	case TDMINLB_TDMOUTA ... TDMINLB_PAD_TDMINC:
-		tdminlb_shutdown(p_loopback);
+		/*tdminlb_shutdown(p_loopback);*/
 		break;
 	case SPDIFINLB_SPDIFOUTA ... SPDIFINLB_SPDIFOUTB:
 		break;
@@ -486,8 +486,8 @@ static void loopback_dai_shutdown(
 static void loopback_set_clk(struct loopback *p_loopback,
 	int rate, bool enable)
 {
-	unsigned int mul = 2;
-	unsigned int mpll_freq, mclk_freq;
+	/* unsigned int mul = 2; */
+	/* unsigned int mpll_freq, mclk_freq; */
 	/* assume datain_lb in i2s format, 2ch, 32bit */
 	unsigned int bit_depth = 32, i2s_ch = 2;
 	unsigned int sclk_div = 4 - 1;
@@ -496,7 +496,7 @@ static void loopback_set_clk(struct loopback *p_loopback,
 	/* lb_datain clk is set
 	 * prepare clocks for tdmin_lb
 	 */
-
+#if 0
 	/* mpll, mclk */
 	if (p_loopback->datalb_src >= 3) {
 		mclk_freq = rate * p_loopback->mclk_fs_ratio;
@@ -511,7 +511,7 @@ static void loopback_set_clk(struct loopback *p_loopback,
 			clk_get_rate(p_loopback->tdminlb_mclk),
 			clk_get_rate(p_loopback->tdminlb_mpll));
 	}
-
+#endif
 #ifdef __PTM_TDM_CLK__
 	ratio = 18 * 2;
 #endif
@@ -810,7 +810,7 @@ static void datain_pdm_set_clk(struct loopback *p_loopback)
 		clk_get_rate(p_loopback->pdm_sysclk),
 		clk_get_rate(p_loopback->pdm_dclk));
 }
-
+#if 0
 static void datalb_tdminlb_set_clk(struct loopback *p_loopback)
 {
 	int mpll_freq = p_loopback->sysclk_freq * 2;
@@ -822,7 +822,7 @@ static void datalb_tdminlb_set_clk(struct loopback *p_loopback)
 		clk_get_rate(p_loopback->tdminlb_mpll),
 		clk_get_rate(p_loopback->tdminlb_mclk));
 }
-
+#endif
 static int loopback_dai_hw_params(
 	struct snd_pcm_substream *ss,
 	struct snd_pcm_hw_params *params,
@@ -862,7 +862,7 @@ static int loopback_dai_hw_params(
 	/* datalb */
 	switch (p_loopback->datalb_src) {
 	case TDMINLB_TDMOUTA ... TDMINLB_PAD_TDMINC:
-		datalb_tdminlb_set_clk(p_loopback);
+		/*datalb_tdminlb_set_clk(p_loopback);*/
 		break;
 	case SPDIFINLB_SPDIFOUTA ... SPDIFINLB_SPDIFOUTB:
 		break;
diff --git a/sound/soc/amlogic/auge/resample_hw.c b/sound/soc/amlogic/auge/resample_hw.c
index 73c7dd3..97a21b9 100644
--- a/sound/soc/amlogic/auge/resample_hw.c
+++ b/sound/soc/amlogic/auge/resample_hw.c
@@ -127,7 +127,7 @@ void resample_src_select(int src)
 		src << 29);
 }
 /* for tl1 and after */
-void resample_src_select_ab(enum resample_idx id, enum toddr_src src)
+void resample_src_select_ab(enum resample_idx id, enum resample_src src)
 {
 	int offset = EE_AUDIO_RESAMPLEB_CTRL3 - EE_AUDIO_RESAMPLEA_CTRL3;
 	int reg = EE_AUDIO_RESAMPLEA_CTRL3 + offset * id;
diff --git a/sound/soc/amlogic/auge/resample_hw.h b/sound/soc/amlogic/auge/resample_hw.h
index 61b0629..d3d7090 100644
--- a/sound/soc/amlogic/auge/resample_hw.h
+++ b/sound/soc/amlogic/auge/resample_hw.h
@@ -36,7 +36,7 @@ extern int resample_disable(enum resample_idx id);
 extern int resample_set_hw_param(enum resample_idx id,
 		enum samplerate_index rate_index);
 extern void resample_src_select(int src);
-extern void resample_src_select_ab(enum resample_idx id, enum toddr_src src);
+extern void resample_src_select_ab(enum resample_idx id, enum resample_src src);
 extern void resample_format_set(enum resample_idx id, int ch_num, int bits);
 
 extern int resample_ctrl_read(enum resample_idx id);