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Subject[RESEND PATCH v2 6/9] ASoC: uniphier: add support for UniPhier LD11/LD20 AIO driver
Date
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>

---

Changes in v2:
- Change license comment style to C++ from C
- Expose clocking to userspace
- Add settings for compress audio
---
sound/soc/uniphier/Kconfig | 11 ++
sound/soc/uniphier/Makefile | 2 +
sound/soc/uniphier/aio-ld11.c | 431 ++++++++++++++++++++++++++++++++++++++++++
3 files changed, 444 insertions(+)
create mode 100644 sound/soc/uniphier/aio-ld11.c

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");
--
2.15.0
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