ASoC: uniphier: add support for UniPhier PXs2 AIO

This patch adds support for UniPhier AIO sound driver
which is included in UniPhier PXs2 SoCs.

Signed-off-by: Katsuhiro Suzuki <suzuki.katsuhiro@socionext.com>
Signed-off-by: Mark Brown <broonie@kernel.org>

Documentation/devicetree/bindings/sound/uniphier,aio.txt

@@ -7,6 +7,7 @@ Required properties:
 - compatible      : should be one of the following:
 		    "socionext,uniphier-ld11-aio"
 		    "socionext,uniphier-ld20-aio"
+		    "socionext,uniphier-pxs2-aio"
 - reg             : offset and length of the register set for the device.
 - interrupts      : should contain I2S or S/PDIF interrupt.
 - pinctrl-names   : should be "default".

sound/soc/uniphier/Kconfig

@@ -30,6 +30,17 @@ config SND_SOC_UNIPHIER_LD11
 	  Select Y if you use such device.
 	  If unsure select "N".
 
+config SND_SOC_UNIPHIER_PXS2
+	tristate "UniPhier PXs2 Device Driver"
+	depends on SND_SOC_UNIPHIER
+	select SND_SOC_UNIPHIER_AIO
+	select SND_SOC_UNIPHIER_AIO_DMA
+	help
+	  This adds ASoC driver for Socionext UniPhier PXs2
+	  input and output that can be used with other codecs.
+	  Select Y if you use such device.
+	  If unsure select "N".
+
 config SND_SOC_UNIPHIER_EVEA_CODEC
 	tristate "UniPhier SoC internal audio codec"
 	depends on SND_SOC_UNIPHIER

sound/soc/uniphier/Makefile

@@ -1,9 +1,11 @@
 # SPDX-License-Identifier: GPL-2.0
 snd-soc-uniphier-aio-cpu-objs := aio-core.o aio-dma.o aio-cpu.o aio-compress.o
 snd-soc-uniphier-aio-ld11-objs := aio-ld11.o
+snd-soc-uniphier-aio-pxs2-objs := aio-pxs2.o
 
 obj-$(CONFIG_SND_SOC_UNIPHIER_AIO) += snd-soc-uniphier-aio-cpu.o
 obj-$(CONFIG_SND_SOC_UNIPHIER_LD11) += snd-soc-uniphier-aio-ld11.o
+obj-$(CONFIG_SND_SOC_UNIPHIER_PXS2) += snd-soc-uniphier-aio-pxs2.o
 
 snd-soc-uniphier-evea-objs := evea.o
 obj-$(CONFIG_SND_SOC_UNIPHIER_EVEA_CODEC) += snd-soc-uniphier-evea.o

sound/soc/uniphier/aio-ld11.c

@@ -418,7 +418,7 @@ MODULE_DEVICE_TABLE(of, uniphier_aio_of_match);
 
 static struct platform_driver uniphier_aio_driver = {
 	.driver = {
-		.name = "snd-uniphier-aio",
+		.name = "snd-uniphier-aio-ld11",
 		.of_match_table = of_match_ptr(uniphier_aio_of_match),
 	},
 	.probe    = uniphier_aio_probe,

sound/soc/uniphier/aio-pxs2.c

@@ -0,0 +1,320 @@
+// SPDX-License-Identifier: GPL-2.0
+//
+// Socionext UniPhier AIO ALSA driver for PXs2.
+//
+// Copyright (c) 2018 Socionext Inc.
+
+#include <linux/module.h>
+
+#include "aio.h"
+
+static const struct uniphier_aio_spec uniphier_aio_pxs2[] = {
+	/* for Line PCM In, Pin:AI1Dx */
+	{
+		.name = AUD_NAME_PCMIN1,
+		.gname = AUD_GNAME_LINE,
+		.swm = {
+			.type  = PORT_TYPE_I2S,
+			.dir   = PORT_DIR_INPUT,
+			.rb    = { 16, 11, },
+			.ch    = { 16, 11, },
+			.iif   = { 0, 0, },
+			.iport = { 0, AUD_HW_PCMIN1, },
+		},
+	},
+
+	/* for Speaker/Headphone/Mic PCM In, Pin:AI2Dx */
+	{
+		.name = AUD_NAME_PCMIN2,
+		.gname = AUD_GNAME_AUX,
+		.swm = {
+			.type  = PORT_TYPE_I2S,
+			.dir   = PORT_DIR_INPUT,
+			.rb    = { 17, 12, },
+			.ch    = { 17, 12, },
+			.iif   = { 1, 1, },
+			.iport = { 1, AUD_HW_PCMIN2, },
+		},
+	},
+
+	/* for HDMI PCM Out, Pin:AO1Dx (inner) */
+	{
+		.name = AUD_NAME_HPCMOUT1,
+		.gname = AUD_GNAME_HDMI,
+		.swm = {
+			.type  = PORT_TYPE_I2S,
+			.dir   = PORT_DIR_OUTPUT,
+			.rb    = { 0, 0, },
+			.ch    = { 0, 0, },
+			.oif   = { 0, 0, },
+			.oport = { 3, AUD_HW_HPCMOUT1, },
+		},
+	},
+
+	/* for Line PCM Out, Pin:AO2Dx */
+	{
+		.name = AUD_NAME_PCMOUT1,
+		.gname = AUD_GNAME_LINE,
+		.swm = {
+			.type  = PORT_TYPE_I2S,
+			.dir   = PORT_DIR_OUTPUT,
+			.rb    = { 1, 1, },
+			.ch    = { 1, 1, },
+			.oif   = { 1, 1, },
+			.oport = { 0, AUD_HW_PCMOUT1, },
+		},
+	},
+
+	/* for Speaker/Headphone/Mic PCM Out, Pin:AO3Dx */
+	{
+		.name = AUD_NAME_PCMOUT2,
+		.gname = AUD_GNAME_AUX,
+		.swm = {
+			.type  = PORT_TYPE_I2S,
+			.dir   = PORT_DIR_OUTPUT,
+			.rb    = { 2, 2, },
+			.ch    = { 2, 2, },
+			.oif   = { 2, 2, },
+			.oport = { 1, AUD_HW_PCMOUT2, },
+		},
+	},
+
+	/* for HDMI Out, Pin:AO1IEC */
+	{
+		.name = AUD_NAME_HIECOUT1,
+		.swm = {
+			.type  = PORT_TYPE_SPDIF,
+			.dir   = PORT_DIR_OUTPUT,
+			.rb    = { 6, 4, },
+			.ch    = { 6, 4, },
+			.oif   = { 6, 4, },
+			.oport = { 12, AUD_HW_HIECOUT1, },
+		},
+	},
+
+	/* for HDMI Out, Pin:AO1IEC, Compress */
+	{
+		.name = AUD_NAME_HIECCOMPOUT1,
+		.swm = {
+			.type  = PORT_TYPE_SPDIF,
+			.dir   = PORT_DIR_OUTPUT,
+			.rb    = { 6, 4, },
+			.ch    = { 6, 4, },
+			.oif   = { 6, 4, },
+			.oport = { 12, AUD_HW_HIECOUT1, },
+		},
+	},
+
+	/* for S/PDIF Out, Pin:AO2IEC */
+	{
+		.name = AUD_NAME_IECOUT1,
+		.swm = {
+			.type  = PORT_TYPE_SPDIF,
+			.dir   = PORT_DIR_OUTPUT,
+			.rb    = { 7, 5, },
+			.ch    = { 7, 5, },
+			.oif   = { 7, 5, },
+			.oport = { 13, AUD_HW_IECOUT1, },
+		},
+	},
+
+	/* for S/PDIF Out, Pin:AO2IEC */
+	{
+		.name = AUD_NAME_IECCOMPOUT1,
+		.swm = {
+			.type  = PORT_TYPE_SPDIF,
+			.dir   = PORT_DIR_OUTPUT,
+			.rb    = { 7, 5, },
+			.ch    = { 7, 5, },
+			.oif   = { 7, 5, },
+			.oport = { 13, AUD_HW_IECOUT1, },
+		},
+	},
+};
+
+static const struct uniphier_aio_pll uniphier_aio_pll_pxs2[] = {
+	[AUD_PLL_A1]   = { .enable = true, },
+	[AUD_PLL_F1]   = { .enable = true, },
+	[AUD_PLL_A2]   = { .enable = true, },
+	[AUD_PLL_F2]   = { .enable = true, },
+	[AUD_PLL_APLL] = { .enable = true, },
+	[AUD_PLL_HSC0] = { .enable = true, },
+};
+
+static int uniphier_aio_pxs2_probe(struct snd_soc_dai *dai)
+{
+	int ret;
+
+	ret = uniphier_aio_dai_probe(dai);
+	if (ret < 0)
+		return ret;
+
+	ret = snd_soc_dai_set_pll(dai, AUD_PLL_A1, 0, 0, 36864000);
+	if (ret < 0)
+		return ret;
+	ret = snd_soc_dai_set_pll(dai, AUD_PLL_F1, 0, 0, 36864000);
+	if (ret < 0)
+		return ret;
+
+	ret = snd_soc_dai_set_pll(dai, AUD_PLL_A2, 0, 0, 33868800);
+	if (ret < 0)
+		return ret;
+	ret = snd_soc_dai_set_pll(dai, AUD_PLL_F2, 0, 0, 33868800);
+	if (ret < 0)
+		return ret;
+
+	return 0;
+}
+
+static struct snd_soc_dai_driver uniphier_aio_dai_pxs2[] = {
+	{
+		.name    = AUD_GNAME_HDMI,
+		.probe   = uniphier_aio_pxs2_probe,
+		.remove  = uniphier_aio_dai_remove,
+		.suspend = uniphier_aio_dai_suspend,
+		.resume  = uniphier_aio_dai_resume,
+		.playback = {
+			.stream_name = AUD_NAME_HPCMOUT1,
+			.formats     = SNDRV_PCM_FMTBIT_S32_LE,
+			.rates       = SNDRV_PCM_RATE_48000,
+			.channels_min = 2,
+			.channels_max = 2,
+		},
+		.ops = &uniphier_aio_i2s_ops,
+	},
+	{
+		.name    = AUD_GNAME_LINE,
+		.probe   = uniphier_aio_pxs2_probe,
+		.remove  = uniphier_aio_dai_remove,
+		.suspend = uniphier_aio_dai_suspend,
+		.resume  = uniphier_aio_dai_resume,
+		.playback = {
+			.stream_name = AUD_NAME_PCMOUT1,
+			.formats     = SNDRV_PCM_FMTBIT_S32_LE,
+			.rates       = SNDRV_PCM_RATE_48000,
+			.channels_min = 2,
+			.channels_max = 2,
+		},
+		.capture = {
+			.stream_name = AUD_NAME_PCMIN1,
+			.formats     = SNDRV_PCM_FMTBIT_S32_LE,
+			.rates       = SNDRV_PCM_RATE_48000,
+			.channels_min = 2,
+			.channels_max = 2,
+		},
+		.ops = &uniphier_aio_i2s_ops,
+	},
+	{
+		.name    = AUD_GNAME_AUX,
+		.probe   = uniphier_aio_pxs2_probe,
+		.remove  = uniphier_aio_dai_remove,
+		.suspend = uniphier_aio_dai_suspend,
+		.resume  = uniphier_aio_dai_resume,
+		.playback = {
+			.stream_name = AUD_NAME_PCMOUT2,
+			.formats     = SNDRV_PCM_FMTBIT_S32_LE,
+			.rates       = SNDRV_PCM_RATE_48000,
+			.channels_min = 2,
+			.channels_max = 2,
+		},
+		.capture = {
+			.stream_name = AUD_NAME_PCMIN2,
+			.formats     = SNDRV_PCM_FMTBIT_S32_LE,
+			.rates       = SNDRV_PCM_RATE_48000,
+			.channels_min = 2,
+			.channels_max = 2,
+		},
+		.ops = &uniphier_aio_i2s_ops,
+	},
+	{
+		.name    = AUD_NAME_HIECOUT1,
+		.probe   = uniphier_aio_pxs2_probe,
+		.remove  = uniphier_aio_dai_remove,
+		.suspend = uniphier_aio_dai_suspend,
+		.resume  = uniphier_aio_dai_resume,
+		.playback = {
+			.stream_name = AUD_NAME_HIECOUT1,
+			.formats     = SNDRV_PCM_FMTBIT_S32_LE,
+			.rates       = SNDRV_PCM_RATE_48000,
+			.channels_min = 2,
+			.channels_max = 2,
+		},
+		.ops = &uniphier_aio_spdif_ops,
+	},
+	{
+		.name    = AUD_NAME_IECOUT1,
+		.probe   = uniphier_aio_pxs2_probe,
+		.remove  = uniphier_aio_dai_remove,
+		.suspend = uniphier_aio_dai_suspend,
+		.resume  = uniphier_aio_dai_resume,
+		.playback = {
+			.stream_name = AUD_NAME_IECOUT1,
+			.formats     = SNDRV_PCM_FMTBIT_S32_LE,
+			.rates       = SNDRV_PCM_RATE_48000,
+			.channels_min = 2,
+			.channels_max = 2,
+		},
+		.ops = &uniphier_aio_spdif_ops,
+	},
+	{
+		.name    = AUD_NAME_HIECCOMPOUT1,
+		.probe   = uniphier_aio_pxs2_probe,
+		.remove  = uniphier_aio_dai_remove,
+		.suspend = uniphier_aio_dai_suspend,
+		.resume  = uniphier_aio_dai_resume,
+		.compress_new = snd_soc_new_compress,
+		.playback = {
+			.stream_name = AUD_NAME_HIECCOMPOUT1,
+			.channels_min = 1,
+			.channels_max = 1,
+		},
+		.ops = &uniphier_aio_spdif_ops,
+	},
+	{
+		.name    = AUD_NAME_IECCOMPOUT1,
+		.probe   = uniphier_aio_pxs2_probe,
+		.remove  = uniphier_aio_dai_remove,
+		.suspend = uniphier_aio_dai_suspend,
+		.resume  = uniphier_aio_dai_resume,
+		.compress_new = snd_soc_new_compress,
+		.playback = {
+			.stream_name = AUD_NAME_IECCOMPOUT1,
+			.channels_min = 1,
+			.channels_max = 1,
+		},
+		.ops = &uniphier_aio_spdif_ops,
+	},
+};
+
+static const struct uniphier_aio_chip_spec uniphier_aio_pxs2_spec = {
+	.specs     = uniphier_aio_pxs2,
+	.num_specs = ARRAY_SIZE(uniphier_aio_pxs2),
+	.dais      = uniphier_aio_dai_pxs2,
+	.num_dais  = ARRAY_SIZE(uniphier_aio_dai_pxs2),
+	.plls      = uniphier_aio_pll_pxs2,
+	.num_plls  = ARRAY_SIZE(uniphier_aio_pll_pxs2),
+	.addr_ext  = 0,
+};
+
+static const struct of_device_id uniphier_aio_of_match[] = {
+	{
+		.compatible = "socionext,uniphier-pxs2-aio",
+		.data = &uniphier_aio_pxs2_spec,
+	},
+	{},
+};
+MODULE_DEVICE_TABLE(of, uniphier_aio_of_match);
+
+static struct platform_driver uniphier_aio_driver = {
+	.driver = {
+		.name = "snd-uniphier-aio-pxs2",
+		.of_match_table = of_match_ptr(uniphier_aio_of_match),
+	},
+	.probe    = uniphier_aio_probe,
+	.remove   = uniphier_aio_remove,
+};
+module_platform_driver(uniphier_aio_driver);
+
+MODULE_AUTHOR("Katsuhiro Suzuki <suzuki.katsuhiro@socionext.com>");
+MODULE_DESCRIPTION("UniPhier PXs2 AIO driver.");
+MODULE_LICENSE("GPL v2");

sound/soc/uniphier/aio.h

@@ -110,9 +110,11 @@ enum IEC61937_PC {
 #define AUD_NAME_IECOUT1         "aio-iecout1"
 #define AUD_NAME_CMASTER         "aio-cmaster"
 #define AUD_NAME_HIECCOMPOUT1    "aio-hieccompout1"
+#define AUD_NAME_IECCOMPOUT1     "aio-ieccompout1"
 
 #define AUD_GNAME_HDMI    "aio-hdmi"
 #define AUD_GNAME_LINE    "aio-line"
+#define AUD_GNAME_AUX     "aio-aux"
 #define AUD_GNAME_IEC     "aio-iec"
 
 #define AUD_CLK_IO        0