Merge remote-tracking branches 'asoc/topic/simple', 'asoc/topic/spear',...

Merge remote-tracking branches 'asoc/topic/simple', 'asoc/topic/spear', 'asoc/topic/sta32x', 'asoc/topic/stm32' and 'asoc/topic/sunxi' into asoc-next

Documentation/devicetree/bindings/sound/simple-card.txt

@@ -86,6 +86,9 @@ Optional CPU/CODEC subnodes properties:
 					  in dai startup() and disabled with
 					  clk_disable_unprepare() in dai
 					  shutdown().
+- system-clock-direction-out		: specifies clock direction as 'out' on
+					  initialization. It is useful for some aCPUs with
+					  fixed clocks.
 
 Example 1 - single DAI link:
 

Documentation/devicetree/bindings/sound/simple-scu-card.txt

@@ -24,6 +24,7 @@ Optional subnode properties:
 - simple-audio-card,convert-rate	: platform specified sampling rate convert
 - simple-audio-card,convert-channels	: platform specified converted channel size (2 - 8 ch)
 - simple-audio-card,prefix		: see routing
+- simple-audio-card,widgets		: Please refer to widgets.txt.
 - simple-audio-card,routing		: A list of the connections between audio components.
 					  Each entry is a pair of strings, the first being the connection's sink,
 					  the second being the connection's source. Valid names for sources.

Documentation/devicetree/bindings/sound/sun4i-i2s.txt

@@ -8,6 +8,7 @@ Required properties:
 - compatible: should be one of the following:
    - "allwinner,sun4i-a10-i2s"
    - "allwinner,sun6i-a31-i2s"
+   - "allwinner,sun8i-h3-i2s"
 - reg: physical base address of the controller and length of memory mapped
   region.
 - interrupts: should contain the I2S interrupt.
@@ -22,6 +23,7 @@ Required properties:
 
 Required properties for the following compatibles:
 	- "allwinner,sun6i-a31-i2s"
+	- "allwinner,sun8i-h3-i2s"
 - resets: phandle to the reset line for this codec
 
 Example:

include/sound/simple_card_utils.h

@@ -15,6 +15,7 @@
 struct asoc_simple_dai {
 	const char *name;
 	unsigned int sysclk;
+	int clk_direction;
 	int slots;
 	int slot_width;
 	unsigned int tx_slot_mask;

sound/soc/codecs/sta32x.c

@@ -847,7 +847,6 @@ static int sta32x_set_bias_level(struct snd_soc_codec *codec,
 		msleep(300);
 		sta32x_watchdog_stop(sta32x);
 
-		if (sta32x->gpiod_nreset)
 		gpiod_set_value(sta32x->gpiod_nreset, 0);
 
 		regulator_bulk_disable(ARRAY_SIZE(sta32x->supplies),

sound/soc/generic/audio-graph-card.c

@@ -325,6 +325,7 @@ MODULE_DEVICE_TABLE(of, asoc_graph_of_match);
 static struct platform_driver asoc_graph_card = {
 	.driver = {
 		.name = "asoc-audio-graph-card",
+		.pm = &snd_soc_pm_ops,
 		.of_match_table = asoc_graph_of_match,
 	},
 	.probe = asoc_graph_card_probe,

sound/soc/generic/audio-graph-scu-card.c

@@ -401,6 +401,7 @@ MODULE_DEVICE_TABLE(of, asoc_graph_of_match);
 static struct platform_driver asoc_graph_card = {
 	.driver = {
 		.name = "asoc-audio-graph-scu-card",
+		.pm = &snd_soc_pm_ops,
 		.of_match_table = asoc_graph_of_match,
 	},
 	.probe = asoc_graph_card_probe,

sound/soc/generic/simple-card-utils.c

@@ -196,7 +196,11 @@ int asoc_simple_card_parse_clk(struct device *dev,
 			simple_dai->sysclk = clk_get_rate(clk);
 	}
 
-	dev_dbg(dev, "%s : sysclk = %d\n", name, simple_dai->sysclk);
+	if (of_property_read_bool(node, "system-clock-direction-out"))
+		simple_dai->clk_direction = SND_SOC_CLOCK_OUT;
+
+	dev_dbg(dev, "%s : sysclk = %d, direction %d\n", name,
+		simple_dai->sysclk, simple_dai->clk_direction);
 
 	return 0;
 }
@@ -308,7 +312,8 @@ int asoc_simple_card_init_dai(struct snd_soc_dai *dai,
 	int ret;
 
 	if (simple_dai->sysclk) {
-		ret = snd_soc_dai_set_sysclk(dai, 0, simple_dai->sysclk, 0);
+		ret = snd_soc_dai_set_sysclk(dai, 0, simple_dai->sysclk,
+					     simple_dai->clk_direction);
 		if (ret && ret != -ENOTSUPP) {
 			dev_err(dai->dev, "simple-card: set_sysclk error\n");
 			return ret;

sound/soc/generic/simple-scu-card.c

@@ -191,6 +191,10 @@ static int asoc_simple_card_parse_of(struct simple_card_data *priv)
 	if (!node)
 		return -EINVAL;
 
+	ret = asoc_simple_card_of_parse_widgets(card, PREFIX);
+	if (ret < 0)
+		return ret;
+
 	ret = asoc_simple_card_of_parse_routing(card, PREFIX, 0);
 	if (ret < 0)
 		return ret;
@@ -296,6 +300,7 @@ MODULE_DEVICE_TABLE(of, asoc_simple_of_match);
 static struct platform_driver asoc_simple_card = {
 	.driver = {
 		.name = "simple-scu-audio-card",
+		.pm = &snd_soc_pm_ops,
 		.of_match_table = asoc_simple_of_match,
 	},
 	.probe = asoc_simple_card_probe,

sound/soc/spear/spdif_in.c

@@ -151,7 +151,7 @@ static int spdif_in_trigger(struct snd_pcm_substream *substream, int cmd,
 	return ret;
 }
 
-static struct snd_soc_dai_ops spdif_in_dai_ops = {
+static const struct snd_soc_dai_ops spdif_in_dai_ops = {
 	.shutdown	= spdif_in_shutdown,
 	.trigger	= spdif_in_trigger,
 	.hw_params	= spdif_in_hw_params,
@@ -216,15 +216,15 @@ static int spdif_in_probe(struct platform_device *pdev)
 		return -EINVAL;
 
 	host = devm_kzalloc(&pdev->dev, sizeof(*host), GFP_KERNEL);
-	if (!host) {
-		dev_warn(&pdev->dev, "kzalloc fail\n");
+	if (!host)
 		return -ENOMEM;
-	}
 
 	host->io_base = io_base;
 	host->irq = platform_get_irq(pdev, 0);
-	if (host->irq < 0)
-		return -EINVAL;
+	if (host->irq < 0) {
+		dev_warn(&pdev->dev, "failed to get IRQ: %d\n", host->irq);
+		return host->irq;
+	}
 
 	host->clk = devm_clk_get(&pdev->dev, NULL);
 	if (IS_ERR(host->clk))

sound/soc/spear/spdif_out.c

@@ -282,10 +282,8 @@ static int spdif_out_probe(struct platform_device *pdev)
 	int ret;
 
 	host = devm_kzalloc(&pdev->dev, sizeof(*host), GFP_KERNEL);
-	if (!host) {
-		dev_warn(&pdev->dev, "kzalloc fail\n");
+	if (!host)
 		return -ENOMEM;
-	}
 
 	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
 	host->io_base = devm_ioremap_resource(&pdev->dev, res);

sound/soc/stm/stm32_i2s.c

@@ -840,7 +840,7 @@ static int stm32_i2s_parse_dt(struct platform_device *pdev,
 	}
 
 	/* Reset */
-	rst = devm_reset_control_get(&pdev->dev, NULL);
+	rst = devm_reset_control_get_exclusive(&pdev->dev, NULL);
 	if (!IS_ERR(rst)) {
 		reset_control_assert(rst);
 		udelay(2);

sound/soc/stm/stm32_sai.c

@@ -85,7 +85,7 @@ static int stm32_sai_probe(struct platform_device *pdev)
 	}
 
 	/* reset */
-	rst = reset_control_get(&pdev->dev, NULL);
+	rst = reset_control_get_exclusive(&pdev->dev, NULL);
 	if (!IS_ERR(rst)) {
 		reset_control_assert(rst);
 		udelay(2);

sound/soc/stm/stm32_spdifrx.c

@@ -930,7 +930,7 @@ static int stm32_spdifrx_probe(struct platform_device *pdev)
 		return ret;
 	}
 
-	rst = devm_reset_control_get(&pdev->dev, NULL);
+	rst = devm_reset_control_get_exclusive(&pdev->dev, NULL);
 	if (!IS_ERR(rst)) {
 		reset_control_assert(rst);
 		udelay(2);

sound/soc/sunxi/sun4i-codec.c

@@ -762,7 +762,7 @@ static const struct snd_soc_dapm_route sun4i_codec_codec_dapm_routes[] = {
 	{ "Mic1", NULL, "VMIC" },
 };
 
-static struct snd_soc_codec_driver sun4i_codec_codec = {
+static const struct snd_soc_codec_driver sun4i_codec_codec = {
 	.component_driver = {
 		.controls		= sun4i_codec_controls,
 		.num_controls		= ARRAY_SIZE(sun4i_codec_controls),
@@ -1068,7 +1068,7 @@ static const struct snd_soc_dapm_route sun6i_codec_codec_dapm_routes[] = {
 	{ "Right ADC", NULL, "Right ADC Mixer" },
 };
 
-static struct snd_soc_codec_driver sun6i_codec_codec = {
+static const struct snd_soc_codec_driver sun6i_codec_codec = {
 	.component_driver = {
 		.controls		= sun6i_codec_codec_widgets,
 		.num_controls		= ARRAY_SIZE(sun6i_codec_codec_widgets),
@@ -1096,7 +1096,7 @@ static const struct snd_soc_dapm_widget sun8i_a23_codec_codec_widgets[] = {
 
 };
 
-static struct snd_soc_codec_driver sun8i_a23_codec_codec = {
+static const struct snd_soc_codec_driver sun8i_a23_codec_codec = {
 	.component_driver = {
 		.controls		= sun8i_a23_codec_codec_controls,
 		.num_controls		= ARRAY_SIZE(sun8i_a23_codec_codec_controls),
@@ -1171,7 +1171,6 @@ static int sun4i_codec_spk_event(struct snd_soc_dapm_widget *w,
 {
 	struct sun4i_codec *scodec = snd_soc_card_get_drvdata(w->dapm->card);
 
-	if (scodec->gpio_pa)
 	gpiod_set_value_cansleep(scodec->gpio_pa,
 				 !!SND_SOC_DAPM_EVENT_ON(event));
 
@@ -1574,7 +1573,8 @@ static int sun4i_codec_probe(struct platform_device *pdev)
 	}
 
 	if (quirks->has_reset) {
-		scodec->rst = devm_reset_control_get(&pdev->dev, NULL);
+		scodec->rst = devm_reset_control_get_exclusive(&pdev->dev,
+							       NULL);
 		if (IS_ERR(scodec->rst)) {
 			dev_err(&pdev->dev, "Failed to get reset control\n");
 			return PTR_ERR(scodec->rst);
@@ -1655,7 +1655,6 @@ static int sun4i_codec_probe(struct platform_device *pdev)
 		goto err_unregister_codec;
 	}
 
-	platform_set_drvdata(pdev, card);
 	snd_soc_card_set_drvdata(card, scodec);
 
 	ret = snd_soc_register_card(card);

sound/soc/sunxi/sun4i-i2s.c

@@ -50,6 +50,8 @@
 #define SUN4I_I2S_FMT0_FMT_RIGHT_J			(2 << 0)
 #define SUN4I_I2S_FMT0_FMT_LEFT_J			(1 << 0)
 #define SUN4I_I2S_FMT0_FMT_I2S				(0 << 0)
+#define SUN4I_I2S_FMT0_POLARITY_INVERTED		(1)
+#define SUN4I_I2S_FMT0_POLARITY_NORMAL			(0)
 
 #define SUN4I_I2S_FMT1_REG		0x08
 #define SUN4I_I2S_FIFO_TX_REG		0x0c
@@ -82,7 +84,7 @@
 #define SUN4I_I2S_TX_CNT_REG		0x2c
 
 #define SUN4I_I2S_TX_CHAN_SEL_REG	0x30
-#define SUN4I_I2S_TX_CHAN_SEL(num_chan)		(((num_chan) - 1) << 0)
+#define SUN4I_I2S_CHAN_SEL(num_chan)		(((num_chan) - 1) << 0)
 
 #define SUN4I_I2S_TX_CHAN_MAP_REG	0x34
 #define SUN4I_I2S_TX_CHAN_MAP(chan, sample)	((sample) << (chan << 2))
@@ -90,6 +92,83 @@
 #define SUN4I_I2S_RX_CHAN_SEL_REG	0x38
 #define SUN4I_I2S_RX_CHAN_MAP_REG	0x3c
 
+/* Defines required for sun8i-h3 support */
+#define SUN8I_I2S_CTRL_BCLK_OUT			BIT(18)
+#define SUN8I_I2S_CTRL_LRCK_OUT			BIT(17)
+
+#define SUN8I_I2S_FMT0_LRCK_PERIOD_MASK		GENMASK(17, 8)
+#define SUN8I_I2S_FMT0_LRCK_PERIOD(period)	((period - 1) << 8)
+
+#define SUN8I_I2S_INT_STA_REG		0x0c
+#define SUN8I_I2S_FIFO_TX_REG		0x20
+
+#define SUN8I_I2S_CHAN_CFG_REG		0x30
+#define SUN8I_I2S_CHAN_CFG_RX_SLOT_NUM_MASK	GENMASK(6, 4)
+#define SUN8I_I2S_CHAN_CFG_RX_SLOT_NUM(chan)	(chan - 1)
+#define SUN8I_I2S_CHAN_CFG_TX_SLOT_NUM_MASK	GENMASK(2, 0)
+#define SUN8I_I2S_CHAN_CFG_TX_SLOT_NUM(chan)	(chan - 1)
+
+#define SUN8I_I2S_TX_CHAN_MAP_REG	0x44
+#define SUN8I_I2S_TX_CHAN_SEL_REG	0x34
+#define SUN8I_I2S_TX_CHAN_OFFSET_MASK		GENMASK(13, 11)
+#define SUN8I_I2S_TX_CHAN_OFFSET(offset)	(offset << 12)
+#define SUN8I_I2S_TX_CHAN_EN_MASK		GENMASK(11, 4)
+#define SUN8I_I2S_TX_CHAN_EN(num_chan)		(((1 << num_chan) - 1) << 4)
+
+#define SUN8I_I2S_RX_CHAN_SEL_REG	0x54
+#define SUN8I_I2S_RX_CHAN_MAP_REG	0x58
+
+/**
+ * struct sun4i_i2s_quirks - Differences between SoC variants.
+ *
+ * @has_reset: SoC needs reset deasserted.
+ * @has_slave_select_bit: SoC has a bit to enable slave mode.
+ * @has_fmt_set_lrck_period: SoC requires lrclk period to be set.
+ * @has_chcfg: tx and rx slot number need to be set.
+ * @has_chsel_tx_chen: SoC requires that the tx channels are enabled.
+ * @has_chsel_offset: SoC uses offset for selecting dai operational mode.
+ * @reg_offset_txdata: offset of the tx fifo.
+ * @sun4i_i2s_regmap: regmap config to use.
+ * @mclk_offset: Value by which mclkdiv needs to be adjusted.
+ * @bclk_offset: Value by which bclkdiv needs to be adjusted.
+ * @fmt_offset: Value by which wss and sr needs to be adjusted.
+ * @field_clkdiv_mclk_en: regmap field to enable mclk output.
+ * @field_fmt_wss: regmap field to set word select size.
+ * @field_fmt_sr: regmap field to set sample resolution.
+ * @field_fmt_bclk: regmap field to set clk polarity.
+ * @field_fmt_lrclk: regmap field to set frame polarity.
+ * @field_fmt_mode: regmap field to set the operational mode.
+ * @field_txchanmap: location of the tx channel mapping register.
+ * @field_rxchanmap: location of the rx channel mapping register.
+ * @field_txchansel: location of the tx channel select bit fields.
+ * @field_rxchansel: location of the rx channel select bit fields.
+ */
+struct sun4i_i2s_quirks {
+	bool				has_reset;
+	bool				has_slave_select_bit;
+	bool				has_fmt_set_lrck_period;
+	bool				has_chcfg;
+	bool				has_chsel_tx_chen;
+	bool				has_chsel_offset;
+	unsigned int			reg_offset_txdata;	/* TX FIFO */
+	const struct regmap_config	*sun4i_i2s_regmap;
+	unsigned int			mclk_offset;
+	unsigned int			bclk_offset;
+	unsigned int			fmt_offset;
+
+	/* Register fields for i2s */
+	struct reg_field		field_clkdiv_mclk_en;
+	struct reg_field		field_fmt_wss;
+	struct reg_field		field_fmt_sr;
+	struct reg_field		field_fmt_bclk;
+	struct reg_field		field_fmt_lrclk;
+	struct reg_field		field_fmt_mode;
+	struct reg_field		field_txchanmap;
+	struct reg_field		field_rxchanmap;
+	struct reg_field		field_txchansel;
+	struct reg_field		field_rxchansel;
+};
+
 struct sun4i_i2s {
 	struct clk	*bus_clk;
 	struct clk	*mod_clk;
@@ -100,6 +179,20 @@ struct sun4i_i2s {
 
 	struct snd_dmaengine_dai_dma_data	capture_dma_data;
 	struct snd_dmaengine_dai_dma_data	playback_dma_data;
+
+	/* Register fields for i2s */
+	struct regmap_field	*field_clkdiv_mclk_en;
+	struct regmap_field	*field_fmt_wss;
+	struct regmap_field	*field_fmt_sr;
+	struct regmap_field	*field_fmt_bclk;
+	struct regmap_field	*field_fmt_lrclk;
+	struct regmap_field	*field_fmt_mode;
+	struct regmap_field	*field_txchanmap;
+	struct regmap_field	*field_rxchanmap;
+	struct regmap_field	*field_txchansel;
+	struct regmap_field	*field_rxchansel;
+
+	const struct sun4i_i2s_quirks	*variant;
 };
 
 struct sun4i_i2s_clk_div {
@@ -114,6 +207,7 @@ static const struct sun4i_i2s_clk_div sun4i_i2s_bclk_div[] = {
 	{ .div = 8, .val = 3 },
 	{ .div = 12, .val = 4 },
 	{ .div = 16, .val = 5 },
+	/* TODO - extend divide ratio supported by newer SoCs */
 };
 
 static const struct sun4i_i2s_clk_div sun4i_i2s_mclk_div[] = {
@@ -125,6 +219,7 @@ static const struct sun4i_i2s_clk_div sun4i_i2s_mclk_div[] = {
 	{ .div = 12, .val = 5 },
 	{ .div = 16, .val = 6 },
 	{ .div = 24, .val = 7 },
+	/* TODO - extend divide ratio supported by newer SoCs */
 };
 
 static int sun4i_i2s_get_bclk_div(struct sun4i_i2s *i2s,
@@ -226,10 +321,21 @@ static int sun4i_i2s_set_clk_rate(struct sun4i_i2s *i2s,
 	if (mclk_div < 0)
 		return -EINVAL;
 
+	/* Adjust the clock division values if needed */
+	bclk_div += i2s->variant->bclk_offset;
+	mclk_div += i2s->variant->mclk_offset;
+
 	regmap_write(i2s->regmap, SUN4I_I2S_CLK_DIV_REG,
 		     SUN4I_I2S_CLK_DIV_BCLK(bclk_div) |
-		     SUN4I_I2S_CLK_DIV_MCLK(mclk_div) |
-		     SUN4I_I2S_CLK_DIV_MCLK_EN);
+		     SUN4I_I2S_CLK_DIV_MCLK(mclk_div));
+
+	regmap_field_write(i2s->field_clkdiv_mclk_en, 1);
+
+	/* Set sync period */
+	if (i2s->variant->has_fmt_set_lrck_period)
+		regmap_update_bits(i2s->regmap, SUN4I_I2S_FMT0_REG,
+				   SUN8I_I2S_FMT0_LRCK_PERIOD_MASK,
+				   SUN8I_I2S_FMT0_LRCK_PERIOD(32));
 
 	return 0;
 }
@@ -239,12 +345,38 @@ static int sun4i_i2s_hw_params(struct snd_pcm_substream *substream,
 			       struct snd_soc_dai *dai)
 {
 	struct sun4i_i2s *i2s = snd_soc_dai_get_drvdata(dai);
-	int sr, wss;
+	int sr, wss, channels;
 	u32 width;
 
-	if (params_channels(params) != 2)
+	channels = params_channels(params);
+	if (channels != 2)
 		return -EINVAL;
 
+	if (i2s->variant->has_chcfg) {
+		regmap_update_bits(i2s->regmap, SUN8I_I2S_CHAN_CFG_REG,
+				   SUN8I_I2S_CHAN_CFG_TX_SLOT_NUM_MASK,
+				   SUN8I_I2S_CHAN_CFG_TX_SLOT_NUM(channels));
+		regmap_update_bits(i2s->regmap, SUN8I_I2S_CHAN_CFG_REG,
+				   SUN8I_I2S_CHAN_CFG_RX_SLOT_NUM_MASK,
+				   SUN8I_I2S_CHAN_CFG_RX_SLOT_NUM(channels));
+	}
+
+	/* Map the channels for playback and capture */
+	regmap_field_write(i2s->field_txchanmap, 0x76543210);
+	regmap_field_write(i2s->field_rxchanmap, 0x00003210);
+
+	/* Configure the channels */
+	regmap_field_write(i2s->field_txchansel,
+			   SUN4I_I2S_CHAN_SEL(params_channels(params)));
+
+	regmap_field_write(i2s->field_rxchansel,
+			   SUN4I_I2S_CHAN_SEL(params_channels(params)));
+
+	if (i2s->variant->has_chsel_tx_chen)
+		regmap_update_bits(i2s->regmap, SUN8I_I2S_TX_CHAN_SEL_REG,
+				   SUN8I_I2S_TX_CHAN_EN_MASK,
+				   SUN8I_I2S_TX_CHAN_EN(channels));
+
 	switch (params_physical_width(params)) {
 	case 16:
 		width = DMA_SLAVE_BUSWIDTH_2_BYTES;
@@ -264,9 +396,10 @@ static int sun4i_i2s_hw_params(struct snd_pcm_substream *substream,
 		return -EINVAL;
 	}
 
-	regmap_update_bits(i2s->regmap, SUN4I_I2S_FMT0_REG,
-			   SUN4I_I2S_FMT0_WSS_MASK | SUN4I_I2S_FMT0_SR_MASK,
-			   SUN4I_I2S_FMT0_WSS(wss) | SUN4I_I2S_FMT0_SR(sr));
+	regmap_field_write(i2s->field_fmt_wss,
+			   wss + i2s->variant->fmt_offset);
+	regmap_field_write(i2s->field_fmt_sr,
+			   sr + i2s->variant->fmt_offset);
 
 	return sun4i_i2s_set_clk_rate(i2s, params_rate(params),
 				      params_width(params));
@@ -276,11 +409,15 @@ static int sun4i_i2s_set_fmt(struct snd_soc_dai *dai, unsigned int fmt)
 {
 	struct sun4i_i2s *i2s = snd_soc_dai_get_drvdata(dai);
 	u32 val;
+	u32 offset = 0;
+	u32 bclk_polarity = SUN4I_I2S_FMT0_POLARITY_NORMAL;
+	u32 lrclk_polarity = SUN4I_I2S_FMT0_POLARITY_NORMAL;
 
 	/* DAI Mode */
 	switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
 	case SND_SOC_DAIFMT_I2S:
 		val = SUN4I_I2S_FMT0_FMT_I2S;
+		offset = 1;
 		break;
 	case SND_SOC_DAIFMT_LEFT_J:
 		val = SUN4I_I2S_FMT0_FMT_LEFT_J;
@@ -292,41 +429,48 @@ static int sun4i_i2s_set_fmt(struct snd_soc_dai *dai, unsigned int fmt)
 		return -EINVAL;
 	}
 
-	regmap_update_bits(i2s->regmap, SUN4I_I2S_FMT0_REG,
-			   SUN4I_I2S_FMT0_FMT_MASK,
-			   val);
+	if (i2s->variant->has_chsel_offset) {
+		/*
+		 * offset being set indicates that we're connected to an i2s
+		 * device, however offset is only used on the sun8i block and
+		 * i2s shares the same setting with the LJ format. Increment
+		 * val so that the bit to value to write is correct.
+		 */
+		if (offset > 0)
+			val++;
+		/* blck offset determines whether i2s or LJ */
+		regmap_update_bits(i2s->regmap, SUN8I_I2S_TX_CHAN_SEL_REG,
+				   SUN8I_I2S_TX_CHAN_OFFSET_MASK,
+				   SUN8I_I2S_TX_CHAN_OFFSET(offset));
+	}
+
+	regmap_field_write(i2s->field_fmt_mode, val);
 
 	/* DAI clock polarity */
 	switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
 	case SND_SOC_DAIFMT_IB_IF:
 		/* Invert both clocks */
-		val = SUN4I_I2S_FMT0_BCLK_POLARITY_INVERTED |
-			SUN4I_I2S_FMT0_LRCLK_POLARITY_INVERTED;
+		bclk_polarity = SUN4I_I2S_FMT0_POLARITY_INVERTED;
+		lrclk_polarity = SUN4I_I2S_FMT0_POLARITY_INVERTED;
 		break;
 	case SND_SOC_DAIFMT_IB_NF:
 		/* Invert bit clock */
-		val = SUN4I_I2S_FMT0_BCLK_POLARITY_INVERTED |
-			SUN4I_I2S_FMT0_LRCLK_POLARITY_NORMAL;
+		bclk_polarity = SUN4I_I2S_FMT0_POLARITY_INVERTED;
 		break;
 	case SND_SOC_DAIFMT_NB_IF:
 		/* Invert frame clock */
-		val = SUN4I_I2S_FMT0_LRCLK_POLARITY_INVERTED |
-			SUN4I_I2S_FMT0_BCLK_POLARITY_NORMAL;
+		lrclk_polarity = SUN4I_I2S_FMT0_POLARITY_INVERTED;
 		break;
 	case SND_SOC_DAIFMT_NB_NF:
-		/* Nothing to do for both normal cases */
-		val = SUN4I_I2S_FMT0_BCLK_POLARITY_NORMAL |
-			SUN4I_I2S_FMT0_LRCLK_POLARITY_NORMAL;
 		break;
 	default:
 		return -EINVAL;
 	}
 
-	regmap_update_bits(i2s->regmap, SUN4I_I2S_FMT0_REG,
-			   SUN4I_I2S_FMT0_BCLK_POLARITY_MASK |
-			   SUN4I_I2S_FMT0_LRCLK_POLARITY_MASK,
-			   val);
+	regmap_field_write(i2s->field_fmt_bclk, bclk_polarity);
+	regmap_field_write(i2s->field_fmt_lrclk, lrclk_polarity);
 
+	if (i2s->variant->has_slave_select_bit) {
 		/* DAI clock master masks */
 		switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
 		case SND_SOC_DAIFMT_CBS_CFS:
@@ -340,10 +484,33 @@ static int sun4i_i2s_set_fmt(struct snd_soc_dai *dai, unsigned int fmt)
 		default:
 			return -EINVAL;
 		}
-
 		regmap_update_bits(i2s->regmap, SUN4I_I2S_CTRL_REG,
 				   SUN4I_I2S_CTRL_MODE_MASK,
 				   val);
+	} else {
+		/*
+		 * The newer i2s block does not have a slave select bit,
+		 * instead the clk pins are configured as inputs.
+		 */
+		/* DAI clock master masks */
+		switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
+		case SND_SOC_DAIFMT_CBS_CFS:
+			/* BCLK and LRCLK master */
+			val = SUN8I_I2S_CTRL_BCLK_OUT |
+				SUN8I_I2S_CTRL_LRCK_OUT;
+			break;
+		case SND_SOC_DAIFMT_CBM_CFM:
+			/* BCLK and LRCLK slave */
+			val = 0;
+			break;
+		default:
+			return -EINVAL;
+		}
+		regmap_update_bits(i2s->regmap, SUN4I_I2S_CTRL_REG,
+				   SUN8I_I2S_CTRL_BCLK_OUT |
+				   SUN8I_I2S_CTRL_LRCK_OUT,
+				   val);
+	}
 
 	/* Set significant bits in our FIFOs */
 	regmap_update_bits(i2s->regmap, SUN4I_I2S_FIFO_CTRL_REG,
@@ -459,21 +626,14 @@ static int sun4i_i2s_startup(struct snd_pcm_substream *substream,
 	struct sun4i_i2s *i2s = snd_soc_dai_get_drvdata(dai);
 
 	/* Enable the whole hardware block */
-	regmap_write(i2s->regmap, SUN4I_I2S_CTRL_REG,
-		     SUN4I_I2S_CTRL_GL_EN);
+	regmap_update_bits(i2s->regmap, SUN4I_I2S_CTRL_REG,
+			   SUN4I_I2S_CTRL_GL_EN, SUN4I_I2S_CTRL_GL_EN);
 
 	/* Enable the first output line */
 	regmap_update_bits(i2s->regmap, SUN4I_I2S_CTRL_REG,
 			   SUN4I_I2S_CTRL_SDO_EN_MASK,
 			   SUN4I_I2S_CTRL_SDO_EN(0));
 
-	/* Enable the first two channels */
-	regmap_write(i2s->regmap, SUN4I_I2S_TX_CHAN_SEL_REG,
-		     SUN4I_I2S_TX_CHAN_SEL(2));
-
-	/* Map them to the two first samples coming in */
-	regmap_write(i2s->regmap, SUN4I_I2S_TX_CHAN_MAP_REG,
-		     SUN4I_I2S_TX_CHAN_MAP(0, 0) | SUN4I_I2S_TX_CHAN_MAP(1, 1));
 
 	return clk_prepare_enable(i2s->mod_clk);
 }
@@ -490,7 +650,8 @@ static void sun4i_i2s_shutdown(struct snd_pcm_substream *substream,
 			   SUN4I_I2S_CTRL_SDO_EN_MASK, 0);
 
 	/* Disable the whole hardware block */
-	regmap_write(i2s->regmap, SUN4I_I2S_CTRL_REG, 0);
+	regmap_update_bits(i2s->regmap, SUN4I_I2S_CTRL_REG,
+			   SUN4I_I2S_CTRL_GL_EN, 0);
 }
 
 static int sun4i_i2s_set_sysclk(struct snd_soc_dai *dai, int clk_id,
@@ -589,6 +750,27 @@ static bool sun4i_i2s_volatile_reg(struct device *dev, unsigned int reg)
 	}
 }
 
+static bool sun8i_i2s_rd_reg(struct device *dev, unsigned int reg)
+{
+	switch (reg) {
+	case SUN8I_I2S_FIFO_TX_REG:
+		return false;
+
+	default:
+		return true;
+	}
+}
+
+static bool sun8i_i2s_volatile_reg(struct device *dev, unsigned int reg)
+{
+	if (reg == SUN8I_I2S_INT_STA_REG)
+		return true;
+	if (reg == SUN8I_I2S_FIFO_TX_REG)
+		return false;
+
+	return sun4i_i2s_volatile_reg(dev, reg);
+}
+
 static const struct reg_default sun4i_i2s_reg_defaults[] = {
 	{ SUN4I_I2S_CTRL_REG, 0x00000000 },
 	{ SUN4I_I2S_FMT0_REG, 0x0000000c },
@@ -602,6 +784,20 @@ static const struct reg_default sun4i_i2s_reg_defaults[] = {
 	{ SUN4I_I2S_RX_CHAN_MAP_REG, 0x00003210 },
 };
 
+static const struct reg_default sun8i_i2s_reg_defaults[] = {
+	{ SUN4I_I2S_CTRL_REG, 0x00060000 },
+	{ SUN4I_I2S_FMT0_REG, 0x00000033 },
+	{ SUN4I_I2S_FMT1_REG, 0x00000030 },
+	{ SUN4I_I2S_FIFO_CTRL_REG, 0x000400f0 },
+	{ SUN4I_I2S_DMA_INT_CTRL_REG, 0x00000000 },
+	{ SUN4I_I2S_CLK_DIV_REG, 0x00000000 },
+	{ SUN8I_I2S_CHAN_CFG_REG, 0x00000000 },
+	{ SUN8I_I2S_TX_CHAN_SEL_REG, 0x00000000 },
+	{ SUN8I_I2S_TX_CHAN_MAP_REG, 0x00000000 },
+	{ SUN8I_I2S_RX_CHAN_SEL_REG, 0x00000000 },
+	{ SUN8I_I2S_RX_CHAN_MAP_REG, 0x00000000 },
+};
+
 static const struct regmap_config sun4i_i2s_regmap_config = {
 	.reg_bits	= 32,
 	.reg_stride	= 4,
@@ -616,6 +812,19 @@ static const struct regmap_config sun4i_i2s_regmap_config = {
 	.volatile_reg	= sun4i_i2s_volatile_reg,
 };
 
+static const struct regmap_config sun8i_i2s_regmap_config = {
+	.reg_bits	= 32,
+	.reg_stride	= 4,
+	.val_bits	= 32,
+	.max_register	= SUN8I_I2S_RX_CHAN_MAP_REG,
+	.cache_type	= REGCACHE_FLAT,
+	.reg_defaults	= sun8i_i2s_reg_defaults,
+	.num_reg_defaults	= ARRAY_SIZE(sun8i_i2s_reg_defaults),
+	.writeable_reg	= sun4i_i2s_wr_reg,
+	.readable_reg	= sun8i_i2s_rd_reg,
+	.volatile_reg	= sun8i_i2s_volatile_reg,
+};
+
 static int sun4i_i2s_runtime_resume(struct device *dev)
 {
 	struct sun4i_i2s *i2s = dev_get_drvdata(dev);
@@ -654,22 +863,129 @@ static int sun4i_i2s_runtime_suspend(struct device *dev)
 	return 0;
 }
 
-struct sun4i_i2s_quirks {
-	bool has_reset;
-};
-
 static const struct sun4i_i2s_quirks sun4i_a10_i2s_quirks = {
 	.has_reset		= false,
+	.reg_offset_txdata	= SUN4I_I2S_FIFO_TX_REG,
+	.sun4i_i2s_regmap	= &sun4i_i2s_regmap_config,
+	.field_clkdiv_mclk_en	= REG_FIELD(SUN4I_I2S_CLK_DIV_REG, 7, 7),
+	.field_fmt_wss		= REG_FIELD(SUN4I_I2S_FMT0_REG, 2, 3),
+	.field_fmt_sr		= REG_FIELD(SUN4I_I2S_FMT0_REG, 4, 5),
+	.field_fmt_bclk		= REG_FIELD(SUN4I_I2S_FMT0_REG, 6, 6),
+	.field_fmt_lrclk	= REG_FIELD(SUN4I_I2S_FMT0_REG, 7, 7),
+	.has_slave_select_bit	= true,
+	.field_fmt_mode		= REG_FIELD(SUN4I_I2S_FMT0_REG, 0, 1),
+	.field_txchanmap	= REG_FIELD(SUN4I_I2S_TX_CHAN_MAP_REG, 0, 31),
+	.field_rxchanmap	= REG_FIELD(SUN4I_I2S_RX_CHAN_MAP_REG, 0, 31),
+	.field_txchansel	= REG_FIELD(SUN4I_I2S_TX_CHAN_SEL_REG, 0, 2),
+	.field_rxchansel	= REG_FIELD(SUN4I_I2S_RX_CHAN_SEL_REG, 0, 2),
 };
 
 static const struct sun4i_i2s_quirks sun6i_a31_i2s_quirks = {
 	.has_reset		= true,
+	.reg_offset_txdata	= SUN4I_I2S_FIFO_TX_REG,
+	.sun4i_i2s_regmap	= &sun4i_i2s_regmap_config,
+	.field_clkdiv_mclk_en	= REG_FIELD(SUN4I_I2S_CLK_DIV_REG, 7, 7),
+	.field_fmt_wss		= REG_FIELD(SUN4I_I2S_FMT0_REG, 2, 3),
+	.field_fmt_sr		= REG_FIELD(SUN4I_I2S_FMT0_REG, 4, 5),
+	.field_fmt_bclk		= REG_FIELD(SUN4I_I2S_FMT0_REG, 6, 6),
+	.field_fmt_lrclk	= REG_FIELD(SUN4I_I2S_FMT0_REG, 7, 7),
+	.has_slave_select_bit	= true,
+	.field_fmt_mode		= REG_FIELD(SUN4I_I2S_FMT0_REG, 0, 1),
+	.field_txchanmap	= REG_FIELD(SUN4I_I2S_TX_CHAN_MAP_REG, 0, 31),
+	.field_rxchanmap	= REG_FIELD(SUN4I_I2S_RX_CHAN_MAP_REG, 0, 31),
+	.field_txchansel	= REG_FIELD(SUN4I_I2S_TX_CHAN_SEL_REG, 0, 2),
+	.field_rxchansel	= REG_FIELD(SUN4I_I2S_RX_CHAN_SEL_REG, 0, 2),
 };
 
+static const struct sun4i_i2s_quirks sun8i_h3_i2s_quirks = {
+	.has_reset		= true,
+	.reg_offset_txdata	= SUN8I_I2S_FIFO_TX_REG,
+	.sun4i_i2s_regmap	= &sun8i_i2s_regmap_config,
+	.mclk_offset		= 1,
+	.bclk_offset		= 2,
+	.fmt_offset		= 3,
+	.has_fmt_set_lrck_period = true,
+	.has_chcfg		= true,
+	.has_chsel_tx_chen	= true,
+	.has_chsel_offset	= true,
+	.field_clkdiv_mclk_en	= REG_FIELD(SUN4I_I2S_CLK_DIV_REG, 8, 8),
+	.field_fmt_wss		= REG_FIELD(SUN4I_I2S_FMT0_REG, 0, 2),
+	.field_fmt_sr		= REG_FIELD(SUN4I_I2S_FMT0_REG, 4, 6),
+	.field_fmt_bclk		= REG_FIELD(SUN4I_I2S_FMT0_REG, 7, 7),
+	.field_fmt_lrclk	= REG_FIELD(SUN4I_I2S_FMT0_REG, 19, 19),
+	.field_fmt_mode		= REG_FIELD(SUN4I_I2S_CTRL_REG, 4, 5),
+	.field_txchanmap	= REG_FIELD(SUN8I_I2S_TX_CHAN_MAP_REG, 0, 31),
+	.field_rxchanmap	= REG_FIELD(SUN8I_I2S_RX_CHAN_MAP_REG, 0, 31),
+	.field_txchansel	= REG_FIELD(SUN8I_I2S_TX_CHAN_SEL_REG, 0, 2),
+	.field_rxchansel	= REG_FIELD(SUN8I_I2S_RX_CHAN_SEL_REG, 0, 2),
+};
+
+static int sun4i_i2s_init_regmap_fields(struct device *dev,
+					struct sun4i_i2s *i2s)
+{
+	i2s->field_clkdiv_mclk_en =
+		devm_regmap_field_alloc(dev, i2s->regmap,
+					i2s->variant->field_clkdiv_mclk_en);
+	if (IS_ERR(i2s->field_clkdiv_mclk_en))
+		return PTR_ERR(i2s->field_clkdiv_mclk_en);
+
+	i2s->field_fmt_wss =
+			devm_regmap_field_alloc(dev, i2s->regmap,
+						i2s->variant->field_fmt_wss);
+	if (IS_ERR(i2s->field_fmt_wss))
+		return PTR_ERR(i2s->field_fmt_wss);
+
+	i2s->field_fmt_sr =
+			devm_regmap_field_alloc(dev, i2s->regmap,
+						i2s->variant->field_fmt_sr);
+	if (IS_ERR(i2s->field_fmt_sr))
+		return PTR_ERR(i2s->field_fmt_sr);
+
+	i2s->field_fmt_bclk =
+			devm_regmap_field_alloc(dev, i2s->regmap,
+						i2s->variant->field_fmt_bclk);
+	if (IS_ERR(i2s->field_fmt_bclk))
+		return PTR_ERR(i2s->field_fmt_bclk);
+
+	i2s->field_fmt_lrclk =
+			devm_regmap_field_alloc(dev, i2s->regmap,
+						i2s->variant->field_fmt_lrclk);
+	if (IS_ERR(i2s->field_fmt_lrclk))
+		return PTR_ERR(i2s->field_fmt_lrclk);
+
+	i2s->field_fmt_mode =
+			devm_regmap_field_alloc(dev, i2s->regmap,
+						i2s->variant->field_fmt_mode);
+	if (IS_ERR(i2s->field_fmt_mode))
+		return PTR_ERR(i2s->field_fmt_mode);
+
+	i2s->field_txchanmap =
+			devm_regmap_field_alloc(dev, i2s->regmap,
+						i2s->variant->field_txchanmap);
+	if (IS_ERR(i2s->field_txchanmap))
+		return PTR_ERR(i2s->field_txchanmap);
+
+	i2s->field_rxchanmap =
+			devm_regmap_field_alloc(dev, i2s->regmap,
+						i2s->variant->field_rxchanmap);
+	if (IS_ERR(i2s->field_rxchanmap))
+		return PTR_ERR(i2s->field_rxchanmap);
+
+	i2s->field_txchansel =
+			devm_regmap_field_alloc(dev, i2s->regmap,
+						i2s->variant->field_txchansel);
+	if (IS_ERR(i2s->field_txchansel))
+		return PTR_ERR(i2s->field_txchansel);
+
+	i2s->field_rxchansel =
+			devm_regmap_field_alloc(dev, i2s->regmap,
+						i2s->variant->field_rxchansel);
+	return PTR_ERR_OR_ZERO(i2s->field_rxchansel);
+}
+
 static int sun4i_i2s_probe(struct platform_device *pdev)
 {
 	struct sun4i_i2s *i2s;
-	const struct sun4i_i2s_quirks *quirks;
 	struct resource *res;
 	void __iomem *regs;
 	int irq, ret;
@@ -690,8 +1006,8 @@ static int sun4i_i2s_probe(struct platform_device *pdev)
 		return irq;
 	}
 
-	quirks = of_device_get_match_data(&pdev->dev);
-	if (!quirks) {
+	i2s->variant = of_device_get_match_data(&pdev->dev);
+	if (!i2s->variant) {
 		dev_err(&pdev->dev, "Failed to determine the quirks to use\n");
 		return -ENODEV;
 	}
@@ -703,7 +1019,7 @@ static int sun4i_i2s_probe(struct platform_device *pdev)
 	}
 
 	i2s->regmap = devm_regmap_init_mmio(&pdev->dev, regs,
-					    &sun4i_i2s_regmap_config);
+					    i2s->variant->sun4i_i2s_regmap);
 	if (IS_ERR(i2s->regmap)) {
 		dev_err(&pdev->dev, "Regmap initialisation failed\n");
 		return PTR_ERR(i2s->regmap);
@@ -715,8 +1031,8 @@ static int sun4i_i2s_probe(struct platform_device *pdev)
 		return PTR_ERR(i2s->mod_clk);
 	}
 
-	if (quirks->has_reset) {
-		i2s->rst = devm_reset_control_get(&pdev->dev, NULL);
+	if (i2s->variant->has_reset) {
+		i2s->rst = devm_reset_control_get_exclusive(&pdev->dev, NULL);
 		if (IS_ERR(i2s->rst)) {
 			dev_err(&pdev->dev, "Failed to get reset control\n");
 			return PTR_ERR(i2s->rst);
@@ -732,7 +1048,8 @@ static int sun4i_i2s_probe(struct platform_device *pdev)
 		}
 	}
 
-	i2s->playback_dma_data.addr = res->start + SUN4I_I2S_FIFO_TX_REG;
+	i2s->playback_dma_data.addr = res->start +
+					i2s->variant->reg_offset_txdata;
 	i2s->playback_dma_data.maxburst = 8;
 
 	i2s->capture_dma_data.addr = res->start + SUN4I_I2S_FIFO_RX_REG;
@@ -759,6 +1076,12 @@ static int sun4i_i2s_probe(struct platform_device *pdev)
 		goto err_suspend;
 	}
 
+	ret = sun4i_i2s_init_regmap_fields(&pdev->dev, i2s);
+	if (ret) {
+		dev_err(&pdev->dev, "Could not initialise regmap fields\n");
+		goto err_suspend;
+	}
+
 	return 0;
 
 err_suspend:
@@ -797,6 +1120,10 @@ static const struct of_device_id sun4i_i2s_match[] = {
 		.compatible = "allwinner,sun6i-a31-i2s",
 		.data = &sun6i_a31_i2s_quirks,
 	},
+	{
+		.compatible = "allwinner,sun8i-h3-i2s",
+		.data = &sun8i_h3_i2s_quirks,
+	},
 	{}
 };
 MODULE_DEVICE_TABLE(of, sun4i_i2s_match);

sound/soc/sunxi/sun4i-spdif.c

@@ -458,11 +458,16 @@ static int sun4i_spdif_runtime_suspend(struct device *dev)
 static int sun4i_spdif_runtime_resume(struct device *dev)
 {
 	struct sun4i_spdif_dev *host  = dev_get_drvdata(dev);
+	int ret;
 
-	clk_prepare_enable(host->spdif_clk);
-	clk_prepare_enable(host->apb_clk);
+	ret = clk_prepare_enable(host->spdif_clk);
+	if (ret)
+		return ret;
+	ret = clk_prepare_enable(host->apb_clk);
+	if (ret)
+		clk_disable_unprepare(host->spdif_clk);
 
-	return 0;
+	return ret;
 }
 
 static int sun4i_spdif_probe(struct platform_device *pdev)
@@ -520,7 +525,8 @@ static int sun4i_spdif_probe(struct platform_device *pdev)
 	platform_set_drvdata(pdev, host);
 
 	if (quirks->has_reset) {
-		host->rst = devm_reset_control_get_optional(&pdev->dev, NULL);
+		host->rst = devm_reset_control_get_optional_exclusive(&pdev->dev,
+								      NULL);
 		if (IS_ERR(host->rst) && PTR_ERR(host->rst) == -EPROBE_DEFER) {
 			ret = -EPROBE_DEFER;
 			dev_err(&pdev->dev, "Failed to get reset: %d\n", ret);

sound/soc/sunxi/sun8i-codec.c

@@ -341,7 +341,7 @@ static const struct snd_soc_dapm_route sun8i_codec_dapm_routes[] = {
 	  "AIF1 Slot 0 Right"},
 };
 
-static struct snd_soc_dai_ops sun8i_codec_dai_ops = {
+static const struct snd_soc_dai_ops sun8i_codec_dai_ops = {
 	.hw_params = sun8i_codec_hw_params,
 	.set_fmt = sun8i_set_fmt,
 };
@@ -360,7 +360,7 @@ static struct snd_soc_dai_driver sun8i_codec_dai = {
 	.ops = &sun8i_codec_dai_ops,
 };
 
-static struct snd_soc_codec_driver sun8i_soc_codec = {
+static const struct snd_soc_codec_driver sun8i_soc_codec = {
 	.component_driver = {
 		.dapm_widgets		= sun8i_codec_dapm_widgets,
 		.num_dapm_widgets	= ARRAY_SIZE(sun8i_codec_dapm_widgets),