Linux-libre 4.6.2-gnu

1 files changed, 38 insertions, 9 deletions

diff --git a/sound/soc/mediatek/mtk-afe-pcm.c b/sound/soc/mediatek/mtk-afe-pcm.c
index 08af9f5dc..f1c58a2c1 100644
--- a/sound/soc/mediatek/mtk-afe-pcm.c
+++ b/sound/soc/mediatek/mtk-afe-pcm.c
@@ -21,6 +21,7 @@
 #include <linux/module.h>
 #include <linux/of.h>
 #include <linux/of_address.h>
+#include <linux/dma-mapping.h>
 #include <linux/pm_runtime.h>
 #include <sound/soc.h>
 #include "mtk-afe-common.h"
@@ -35,9 +36,11 @@
 #define AFE_I2S_CON1		0x0034
 #define AFE_I2S_CON2		0x0038
 #define AFE_CONN_24BIT		0x006c
+#define AFE_MEMIF_MSB		0x00cc
 
 #define AFE_CONN1		0x0024
 #define AFE_CONN2		0x0028
+#define AFE_CONN3		0x002c
 #define AFE_CONN7		0x0460
 #define AFE_CONN8		0x0464
 #define AFE_HDMI_CONN0		0x0390
@@ -61,6 +64,7 @@
 #define AFE_HDMI_OUT_CUR	0x0378
 #define AFE_HDMI_OUT_END	0x037c
 
+#define AFE_ADDA_TOP_CON0	0x0120
 #define AFE_ADDA2_TOP_CON0	0x0600
 
 #define AFE_HDMI_OUT_CON0	0x0370
@@ -257,6 +261,7 @@ static int mtk_afe_set_i2s(struct mtk_afe *afe, unsigned int rate)
 		return -EINVAL;
 
 	/* from external ADC */
+	regmap_update_bits(afe->regmap, AFE_ADDA_TOP_CON0, 0x1, 0x1);
 	regmap_update_bits(afe->regmap, AFE_ADDA2_TOP_CON0, 0x1, 0x1);
 
 	/* set input */
@@ -281,20 +286,13 @@ static void mtk_afe_set_i2s_enable(struct mtk_afe *afe, bool enable)
 
 	regmap_read(afe->regmap, AFE_I2S_CON2, &val);
 	if (!!(val & AFE_I2S_CON2_EN) == enable)
-		return; /* must skip soft reset */
-
-	/* I2S soft reset begin */
-	regmap_update_bits(afe->regmap, AUDIO_TOP_CON1, 0x4, 0x4);
+		return;
 
 	/* input */
 	regmap_update_bits(afe->regmap, AFE_I2S_CON2, 0x1, enable);
 
 	/* output */
 	regmap_update_bits(afe->regmap, AFE_I2S_CON1, 0x1, enable);
-
-	/* I2S soft reset end */
-	udelay(1);
-	regmap_update_bits(afe->regmap, AUDIO_TOP_CON1, 0x4, 0);
 }
 
 static int mtk_afe_dais_enable_clks(struct mtk_afe *afe,
@@ -363,6 +361,7 @@ static int mtk_afe_i2s_startup(struct snd_pcm_substream *substream,
 		return 0;
 
 	mtk_afe_dais_enable_clks(afe, afe->clocks[MTK_CLK_I2S1_M], NULL);
+	mtk_afe_dais_enable_clks(afe, afe->clocks[MTK_CLK_I2S2_M], NULL);
 	regmap_update_bits(afe->regmap, AUDIO_TOP_CON0,
 			   AUD_TCON0_PDN_22M | AUD_TCON0_PDN_24M, 0);
 	return 0;
@@ -382,6 +381,7 @@ static void mtk_afe_i2s_shutdown(struct snd_pcm_substream *substream,
 			   AUD_TCON0_PDN_22M | AUD_TCON0_PDN_24M,
 			   AUD_TCON0_PDN_22M | AUD_TCON0_PDN_24M);
 	mtk_afe_dais_disable_clks(afe, afe->clocks[MTK_CLK_I2S1_M], NULL);
+	mtk_afe_dais_disable_clks(afe, afe->clocks[MTK_CLK_I2S2_M], NULL);
 }
 
 static int mtk_afe_i2s_prepare(struct snd_pcm_substream *substream,
@@ -395,6 +395,9 @@ static int mtk_afe_i2s_prepare(struct snd_pcm_substream *substream,
 	mtk_afe_dais_set_clks(afe,
 			      afe->clocks[MTK_CLK_I2S1_M], runtime->rate * 256,
 			      NULL, 0);
+	mtk_afe_dais_set_clks(afe,
+			      afe->clocks[MTK_CLK_I2S2_M], runtime->rate * 256,
+			      NULL, 0);
 	/* config I2S */
 	ret = mtk_afe_set_i2s(afe, substream->runtime->rate);
 	if (ret)
@@ -592,6 +595,7 @@ static int mtk_afe_dais_hw_params(struct snd_pcm_substream *substream,
 	struct snd_soc_pcm_runtime *rtd = substream->private_data;
 	struct mtk_afe *afe = snd_soc_platform_get_drvdata(rtd->platform);
 	struct mtk_afe_memif *memif = &afe->memif[rtd->cpu_dai->id];
+	int msb_at_bit33 = 0;
 	int ret;
 
 	dev_dbg(afe->dev,
@@ -603,7 +607,8 @@ static int mtk_afe_dais_hw_params(struct snd_pcm_substream *substream,
 	if (ret < 0)
 		return ret;
 
-	memif->phys_buf_addr = substream->runtime->dma_addr;
+	msb_at_bit33 = upper_32_bits(substream->runtime->dma_addr) ? 1 : 0;
+	memif->phys_buf_addr = lower_32_bits(substream->runtime->dma_addr);
 	memif->buffer_size = substream->runtime->dma_bytes;
 
 	/* start */
@@ -614,6 +619,11 @@ static int mtk_afe_dais_hw_params(struct snd_pcm_substream *substream,
 		     memif->data->reg_ofs_base + AFE_BASE_END_OFFSET,
 		     memif->phys_buf_addr + memif->buffer_size - 1);
 
+	/* set MSB to 33-bit */
+	regmap_update_bits(afe->regmap, AFE_MEMIF_MSB,
+			   1 << memif->data->msb_shift,
+			   msb_at_bit33 << memif->data->msb_shift);
+
 	/* set channel */
 	if (memif->data->mono_shift >= 0) {
 		unsigned int mono = (params_channels(params) == 1) ? 1 : 0;
@@ -894,15 +904,19 @@ static const struct snd_kcontrol_new mtk_afe_o04_mix[] = {
 };
 
 static const struct snd_kcontrol_new mtk_afe_o09_mix[] = {
+	SOC_DAPM_SINGLE_AUTODISABLE("I03 Switch", AFE_CONN3, 0, 1, 0),
 	SOC_DAPM_SINGLE_AUTODISABLE("I17 Switch", AFE_CONN7, 30, 1, 0),
 };
 
 static const struct snd_kcontrol_new mtk_afe_o10_mix[] = {
+	SOC_DAPM_SINGLE_AUTODISABLE("I04 Switch", AFE_CONN3, 3, 1, 0),
 	SOC_DAPM_SINGLE_AUTODISABLE("I18 Switch", AFE_CONN8, 0, 1, 0),
 };
 
 static const struct snd_soc_dapm_widget mtk_afe_pcm_widgets[] = {
 	/* inter-connections */
+	SND_SOC_DAPM_MIXER("I03", SND_SOC_NOPM, 0, 0, NULL, 0),
+	SND_SOC_DAPM_MIXER("I04", SND_SOC_NOPM, 0, 0, NULL, 0),
 	SND_SOC_DAPM_MIXER("I05", SND_SOC_NOPM, 0, 0, NULL, 0),
 	SND_SOC_DAPM_MIXER("I06", SND_SOC_NOPM, 0, 0, NULL, 0),
 	SND_SOC_DAPM_MIXER("I17", SND_SOC_NOPM, 0, 0, NULL, 0),
@@ -925,12 +939,16 @@ static const struct snd_soc_dapm_route mtk_afe_pcm_routes[] = {
 	{"I2S Playback", NULL, "O04"},
 	{"VUL", NULL, "O09"},
 	{"VUL", NULL, "O10"},
+	{"I03", NULL, "I2S Capture"},
+	{"I04", NULL, "I2S Capture"},
 	{"I17", NULL, "I2S Capture"},
 	{"I18", NULL, "I2S Capture"},
 	{ "O03", "I05 Switch", "I05" },
 	{ "O04", "I06 Switch", "I06" },
 	{ "O09", "I17 Switch", "I17" },
+	{ "O09", "I03 Switch", "I03" },
 	{ "O10", "I18 Switch", "I18" },
+	{ "O10", "I04 Switch", "I04" },
 };
 
 static const struct snd_soc_dapm_route mtk_afe_hdmi_routes[] = {
@@ -978,6 +996,7 @@ static const struct mtk_afe_memif_data memif_data[MTK_AFE_MEMIF_NUM] = {
 		.irq_en_shift = 0,
 		.irq_fs_shift = 4,
 		.irq_clr_shift = 0,
+		.msb_shift = 0,
 	}, {
 		.name = "DL2",
 		.id = MTK_AFE_MEMIF_DL2,
@@ -991,6 +1010,7 @@ static const struct mtk_afe_memif_data memif_data[MTK_AFE_MEMIF_NUM] = {
 		.irq_en_shift = 2,
 		.irq_fs_shift = 16,
 		.irq_clr_shift = 2,
+		.msb_shift = 1,
 	}, {
 		.name = "VUL",
 		.id = MTK_AFE_MEMIF_VUL,
@@ -1004,6 +1024,7 @@ static const struct mtk_afe_memif_data memif_data[MTK_AFE_MEMIF_NUM] = {
 		.irq_en_shift = 1,
 		.irq_fs_shift = 8,
 		.irq_clr_shift = 1,
+		.msb_shift = 6,
 	}, {
 		.name = "DAI",
 		.id = MTK_AFE_MEMIF_DAI,
@@ -1017,6 +1038,7 @@ static const struct mtk_afe_memif_data memif_data[MTK_AFE_MEMIF_NUM] = {
 		.irq_en_shift = 3,
 		.irq_fs_shift = 20,
 		.irq_clr_shift = 3,
+		.msb_shift = 5,
 	}, {
 		.name = "AWB",
 		.id = MTK_AFE_MEMIF_AWB,
@@ -1030,6 +1052,7 @@ static const struct mtk_afe_memif_data memif_data[MTK_AFE_MEMIF_NUM] = {
 		.irq_en_shift = 14,
 		.irq_fs_shift = 24,
 		.irq_clr_shift = 6,
+		.msb_shift = 3,
 	}, {
 		.name = "MOD_DAI",
 		.id = MTK_AFE_MEMIF_MOD_DAI,
@@ -1043,6 +1066,7 @@ static const struct mtk_afe_memif_data memif_data[MTK_AFE_MEMIF_NUM] = {
 		.irq_en_shift = 3,
 		.irq_fs_shift = 20,
 		.irq_clr_shift = 3,
+		.msb_shift = 4,
 	}, {
 		.name = "HDMI",
 		.id = MTK_AFE_MEMIF_HDMI,
@@ -1056,6 +1080,7 @@ static const struct mtk_afe_memif_data memif_data[MTK_AFE_MEMIF_NUM] = {
 		.irq_en_shift = 12,
 		.irq_fs_shift = -1,
 		.irq_clr_shift = 4,
+		.msb_shift = 8,
 	},
 };
 
@@ -1189,6 +1214,10 @@ static int mtk_afe_pcm_dev_probe(struct platform_device *pdev)
 	struct mtk_afe *afe;
 	struct resource *res;
 
+	ret = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(33));
+	if (ret)
+		return ret;
+
 	afe = devm_kzalloc(&pdev->dev, sizeof(*afe), GFP_KERNEL);
 	if (!afe)
 		return -ENOMEM;