ASoC: uniphier: add support for UniPhier LD11/LD20 AIO driver

This patch adds support for UniPhier AIO sound driver
which is included in UniPhier LD11/LD20 SoCs.

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

3 files changed, 444 insertions, 0 deletions

diff --git a/sound/soc/uniphier/Kconfig b/sound/soc/uniphier/Kconfig
index 1a55ccebd8f5..5da545b9bf2a 100644
--- a/sound/soc/uniphier/Kconfig
+++ b/sound/soc/uniphier/Kconfig
@@ -19,6 +19,17 @@ config SND_SOC_UNIPHIER_AIO
 	  Select Y if you use such device.
 	  If unsure select "N".
 
+config SND_SOC_UNIPHIER_LD11
+	tristate "UniPhier LD11/LD20 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 LD11/LD20
+	  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
diff --git a/sound/soc/uniphier/Makefile b/sound/soc/uniphier/Makefile
index 4448175c70ab..587a89700950 100644
--- a/sound/soc/uniphier/Makefile
+++ b/sound/soc/uniphier/Makefile
@@ -1,7 +1,9 @@
 # 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
 
 obj-$(CONFIG_SND_SOC_UNIPHIER_AIO) += snd-soc-uniphier-aio-cpu.o
+obj-$(CONFIG_SND_SOC_UNIPHIER_LD11) += snd-soc-uniphier-aio-ld11.o
 
 snd-soc-uniphier-evea-objs := evea.o
 obj-$(CONFIG_SND_SOC_UNIPHIER_EVEA_CODEC) += snd-soc-uniphier-evea.o
diff --git a/sound/soc/uniphier/aio-ld11.c b/sound/soc/uniphier/aio-ld11.c
new file mode 100644
index 000000000000..8e40e6c2e42f
--- /dev/null
+++ b/sound/soc/uniphier/aio-ld11.c
@@ -0,0 +1,431 @@
+// SPDX-License-Identifier: GPL-2.0
+//
+// Socionext UniPhier AIO ALSA driver for LD11/LD20.
+//
+// Copyright (c) 2016-2018 Socionext Inc.
+//
+// This program is free software; you can redistribute it and/or
+// modify it under the terms of the GNU General Public License
+// as published by the Free Software Foundation; version 2
+// of the License.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program; if not, see <http://www.gnu.org/licenses/>.
+
+#include <linux/module.h>
+
+#include "aio.h"
+
+static const struct uniphier_aio_spec uniphier_aio_ld11[] = {
+	/* for HDMI PCM In, Pin:AI1Dx */
+	{
+		.name = AUD_NAME_PCMIN1,
+		.gname = AUD_GNAME_HDMI,
+		.swm = {
+			.type  = PORT_TYPE_I2S,
+			.dir   = PORT_DIR_INPUT,
+			.rb    = { 21, 14, },
+			.ch    = { 21, 14, },
+			.iif   = { 5, 3, },
+			.iport = { 0, AUD_HW_PCMIN1, },
+		},
+	},
+
+	/* for SIF In, Pin:AI2Dx */
+	{
+		.name = AUD_NAME_PCMIN2,
+		.swm = {
+			.type  = PORT_TYPE_I2S,
+			.dir   = PORT_DIR_INPUT,
+			.rb    = { 22, 15, },
+			.ch    = { 22, 15, },
+			.iif   = { 6, 4, },
+			.iport = { 1, AUD_HW_PCMIN2, },
+		},
+	},
+
+	/* for Line In, Pin:AI3Dx */
+	{
+		.name = AUD_NAME_PCMIN3,
+		.gname = AUD_GNAME_LINE,
+		.swm = {
+			.type  = PORT_TYPE_EVE,
+			.dir   = PORT_DIR_INPUT,
+			.rb    = { 23, 16, },
+			.ch    = { 23, 16, },
+			.iif   = { 7, 5, },
+			.iport = { 2, AUD_HW_PCMIN3, },
+		},
+	},
+
+	/* for S/PDIF In, Pin:AI1IEC */
+	{
+		.name = AUD_NAME_IECIN1,
+		.gname = AUD_GNAME_IEC,
+		.swm = {
+			.type  = PORT_TYPE_SPDIF,
+			.dir   = PORT_DIR_INPUT,
+			.rb    = { 26, 17, },
+			.ch    = { 26, 17, },
+			.iif   = { 10, 6, },
+			.iport = { 3, AUD_HW_IECIN1, },
+		},
+	},
+
+	/* for Speaker, Pin:AO1Dx */
+	{
+		.name = AUD_NAME_HPCMOUT1,
+		.swm = {
+			.type  = PORT_TYPE_I2S,
+			.dir   = PORT_DIR_OUTPUT,
+			.rb    = { 0, 0, },
+			.ch    = { 0, 0, },
+			.oif   = { 0, 0, },
+			.oport = { 0, AUD_HW_HPCMOUT1, },
+		},
+	},
+
+	/* for HDMI PCM, Pin:AO2Dx */
+	{
+		.name = AUD_NAME_PCMOUT1,
+		.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_PCMOUT1, },
+		},
+	},
+
+	/* for Line Out, Pin:LO2_x */
+	{
+		.name = AUD_NAME_PCMOUT2,
+		.gname = AUD_GNAME_LINE,
+		.swm = {
+			.type  = PORT_TYPE_EVE,
+			.dir   = PORT_DIR_OUTPUT,
+			.rb    = { 2, 2, },
+			.ch    = { 2, 2, },
+			.oif   = { 2, 2, },
+			.oport = { 1, AUD_HW_PCMOUT2, },
+		},
+	},
+
+	/* for Headphone, Pin:HP1_x */
+	{
+		.name = AUD_NAME_PCMOUT3,
+		.swm = {
+			.type  = PORT_TYPE_EVE,
+			.dir   = PORT_DIR_OUTPUT,
+			.rb    = { 3, 3, },
+			.ch    = { 3, 3, },
+			.oif   = { 3, 3, },
+			.oport = { 2, AUD_HW_PCMOUT3, },
+		},
+	},
+
+	/* for HW Sampling Rate Converter */
+	{
+		.name = AUD_NAME_EPCMOUT2,
+		.swm = {
+			.type  = PORT_TYPE_CONV,
+			.dir   = PORT_DIR_OUTPUT,
+			.rb    = { 7, 5, },
+			.ch    = { 7, 5, },
+			.oif   = { 7, 5, },
+			.oport = { 6, AUD_HW_EPCMOUT2, },
+			.och   = { 17, 12, },
+			.iif   = { 1, 1, },
+		},
+	},
+
+	/* for HW Sampling Rate Converter 2 */
+	{
+		.name = AUD_NAME_EPCMOUT3,
+		.swm = {
+			.type  = PORT_TYPE_CONV,
+			.dir   = PORT_DIR_OUTPUT,
+			.rb    = { 8, 6, },
+			.ch    = { 8, 6, },
+			.oif   = { 8, 6, },
+			.oport = { 7, AUD_HW_EPCMOUT3, },
+			.och   = { 18, 13, },
+			.iif   = { 2, 2, },
+		},
+	},
+
+	/* for S/PDIF Out, Pin:AO1IEC */
+	{
+		.name = AUD_NAME_HIECOUT1,
+		.gname = AUD_GNAME_IEC,
+		.swm = {
+			.type  = PORT_TYPE_SPDIF,
+			.dir   = PORT_DIR_OUTPUT,
+			.rb    = { 1, 1, },
+			.ch    = { 1, 1, },
+			.oif   = { 1, 1, },
+			.oport = { 12, AUD_HW_HIECOUT1, },
+		},
+	},
+
+	/* for S/PDIF Out, Pin:AO1IEC, Compress */
+	{
+		.name = AUD_NAME_HIECCOMPOUT1,
+		.gname = AUD_GNAME_IEC,
+		.swm = {
+			.type  = PORT_TYPE_SPDIF,
+			.dir   = PORT_DIR_OUTPUT,
+			.rb    = { 1, 1, },
+			.ch    = { 1, 1, },
+			.oif   = { 1, 1, },
+			.oport = { 12, AUD_HW_HIECOUT1, },
+		},
+	},
+};
+
+static const struct uniphier_aio_pll uniphier_aio_pll_ld11[] = {
+	[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_RX0]  = { .enable = true, },
+	[AUD_PLL_USB0] = { .enable = true, },
+	[AUD_PLL_HSC0] = { .enable = true, },
+};
+
+static int uniphier_aio_ld11_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_ld11[] = {
+	{
+		.name    = AUD_GNAME_HDMI,
+		.probe   = uniphier_aio_ld11_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 |
+				SNDRV_PCM_RATE_44100 |
+				SNDRV_PCM_RATE_32000,
+			.channels_min = 2,
+			.channels_max = 2,
+		},
+		.ops = &uniphier_aio_i2s_ops,
+	},
+	{
+		.name    = AUD_NAME_PCMIN2,
+		.probe   = uniphier_aio_ld11_probe,
+		.remove  = uniphier_aio_dai_remove,
+		.suspend = uniphier_aio_dai_suspend,
+		.resume  = uniphier_aio_dai_resume,
+		.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_GNAME_LINE,
+		.probe   = uniphier_aio_ld11_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_PCMIN3,
+			.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_HPCMOUT1,
+		.probe   = uniphier_aio_ld11_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_NAME_PCMOUT3,
+		.probe   = uniphier_aio_ld11_probe,
+		.remove  = uniphier_aio_dai_remove,
+		.suspend = uniphier_aio_dai_suspend,
+		.resume  = uniphier_aio_dai_resume,
+		.playback = {
+			.stream_name = AUD_NAME_PCMOUT3,
+			.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_ld11_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_EPCMOUT2,
+		.probe   = uniphier_aio_ld11_probe,
+		.remove  = uniphier_aio_dai_remove,
+		.suspend = uniphier_aio_dai_suspend,
+		.resume  = uniphier_aio_dai_resume,
+		.playback = {
+			.stream_name = AUD_NAME_EPCMOUT2,
+			.formats     = SNDRV_PCM_FMTBIT_S32_LE,
+			.rates       = SNDRV_PCM_RATE_48000 |
+				SNDRV_PCM_RATE_44100 |
+				SNDRV_PCM_RATE_32000,
+			.channels_min = 2,
+			.channels_max = 2,
+		},
+		.ops = &uniphier_aio_i2s_ops,
+	},
+	{
+		.name    = AUD_NAME_EPCMOUT3,
+		.probe   = uniphier_aio_ld11_probe,
+		.remove  = uniphier_aio_dai_remove,
+		.suspend = uniphier_aio_dai_suspend,
+		.resume  = uniphier_aio_dai_resume,
+		.playback = {
+			.stream_name = AUD_NAME_EPCMOUT3,
+			.formats     = SNDRV_PCM_FMTBIT_S32_LE,
+			.rates       = SNDRV_PCM_RATE_48000 |
+				SNDRV_PCM_RATE_44100 |
+				SNDRV_PCM_RATE_32000,
+			.channels_min = 2,
+			.channels_max = 2,
+		},
+		.ops = &uniphier_aio_i2s_ops,
+	},
+	{
+		.name    = AUD_NAME_HIECCOMPOUT1,
+		.probe   = uniphier_aio_ld11_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,
+	},
+};
+
+static const struct uniphier_aio_chip_spec uniphier_aio_ld11_spec = {
+	.specs     = uniphier_aio_ld11,
+	.num_specs = ARRAY_SIZE(uniphier_aio_ld11),
+	.dais      = uniphier_aio_dai_ld11,
+	.num_dais  = ARRAY_SIZE(uniphier_aio_dai_ld11),
+	.plls      = uniphier_aio_pll_ld11,
+	.num_plls  = ARRAY_SIZE(uniphier_aio_pll_ld11),
+	.addr_ext  = 0,
+};
+
+static const struct uniphier_aio_chip_spec uniphier_aio_ld20_spec = {
+	.specs     = uniphier_aio_ld11,
+	.num_specs = ARRAY_SIZE(uniphier_aio_ld11),
+	.dais      = uniphier_aio_dai_ld11,
+	.num_dais  = ARRAY_SIZE(uniphier_aio_dai_ld11),
+	.plls      = uniphier_aio_pll_ld11,
+	.num_plls  = ARRAY_SIZE(uniphier_aio_pll_ld11),
+	.addr_ext  = 1,
+};
+
+static const struct of_device_id uniphier_aio_of_match[] = {
+	{
+		.compatible = "socionext,uniphier-ld11-aio",
+		.data = &uniphier_aio_ld11_spec,
+	},
+	{
+		.compatible = "socionext,uniphier-ld20-aio",
+		.data = &uniphier_aio_ld20_spec,
+	},
+	{},
+};
+MODULE_DEVICE_TABLE(of, uniphier_aio_of_match);
+
+static struct platform_driver uniphier_aio_driver = {
+	.driver = {
+		.name = "snd-uniphier-aio",
+		.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 LD11/LD20 AIO driver.");
+MODULE_LICENSE("GPL v2");