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From 13a790e8d490f59170004fd20d74c0267d08c69e Mon Sep 17 00:00:00 2001
From: Maruthi Srinivas Bayyavarapu <Maruthi.Bayyavarapu@amd.com>
Date: Fri, 1 Jul 2016 12:47:49 +0530
Subject: [PATCH 05/17] ASoc: AMD: Machine driver for AMD ACP Audio engine
using Realtek RT286 codec
Added machine driver support in the Kconfig file and the Makefile
Signed-off-by: Kalyan Alle <kalyan.alle@amd.com>
---
sound/soc/Kconfig | 1 +
sound/soc/Makefile | 1 +
sound/soc/amd/Kconfig | 7 ++
sound/soc/amd/Makefile | 2 +
sound/soc/amd/acp-rt286.c | 175 ++++++++++++++++++++++++++++++++++++++++++++++
5 files changed, 186 insertions(+)
create mode 100644 sound/soc/amd/acp-rt286.c
diff --git a/sound/soc/Kconfig b/sound/soc/Kconfig
index 7ff7d88..a34e9e9 100644
--- a/sound/soc/Kconfig
+++ b/sound/soc/Kconfig
@@ -38,6 +38,7 @@ config SND_SOC_TOPOLOGY
# All the supported SoCs
source "sound/soc/adi/Kconfig"
+source "sound/soc/amd/Kconfig"
source "sound/soc/atmel/Kconfig"
source "sound/soc/au1x/Kconfig"
source "sound/soc/bcm/Kconfig"
diff --git a/sound/soc/Makefile b/sound/soc/Makefile
index 8eb06db..3ab378b 100644
--- a/sound/soc/Makefile
+++ b/sound/soc/Makefile
@@ -18,6 +18,7 @@ obj-$(CONFIG_SND_SOC) += snd-soc-core.o
obj-$(CONFIG_SND_SOC) += codecs/
obj-$(CONFIG_SND_SOC) += generic/
obj-$(CONFIG_SND_SOC) += adi/
+obj-$(CONFIG_SND_SOC) += amd/
obj-$(CONFIG_SND_SOC) += atmel/
obj-$(CONFIG_SND_SOC) += au1x/
obj-$(CONFIG_SND_SOC) += bcm/
diff --git a/sound/soc/amd/Kconfig b/sound/soc/amd/Kconfig
index 78187eb..3724f54 100644
--- a/sound/soc/amd/Kconfig
+++ b/sound/soc/amd/Kconfig
@@ -1,3 +1,10 @@
+config SND_SOC_AMD_CZ_RT286_MACH
+ tristate "AMD ASoC Audio driver for Carrizo with rt286 codec"
+ select SND_SOC_RT286
+ select SND_SOC_AMD_ACP
+ depends on I2C_DESIGNWARE_PLATFORM
+ help
+ This option enables AMD I2S Audio support on Carrizo with ALC288 codec.
config SND_SOC_AMD_ACP
tristate "AMD Audio Coprocessor support"
help
diff --git a/sound/soc/amd/Makefile b/sound/soc/amd/Makefile
index 1a66ec0..a75574d 100644
--- a/sound/soc/amd/Makefile
+++ b/sound/soc/amd/Makefile
@@ -1,3 +1,5 @@
snd-soc-acp-pcm-objs := acp-pcm-dma.o
+snd-soc-acp-rt286-mach-objs := acp-rt286.o
obj-$(CONFIG_SND_SOC_AMD_ACP) += snd-soc-acp-pcm.o
+obj-$(CONFIG_SND_SOC_AMD_CZ_RT286_MACH) += snd-soc-acp-rt286-mach.o
diff --git a/sound/soc/amd/acp-rt286.c b/sound/soc/amd/acp-rt286.c
new file mode 100644
index 0000000..3fa714e
--- /dev/null
+++ b/sound/soc/amd/acp-rt286.c
@@ -0,0 +1,175 @@
+/*
+ * Machine driver for AMD ACP Audio engine using Realtek RT286 codec
+ *
+ * Copyright 2014-2015 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ *
+ */
+
+#include <sound/core.h>
+#include <sound/soc.h>
+#include <sound/pcm.h>
+#include <sound/pcm_params.h>
+#include <sound/soc-dapm.h>
+#include <sound/jack.h>
+#include <linux/gpio.h>
+#include <linux/module.h>
+#include <linux/i2c.h>
+#include <linux/acpi.h>
+
+#include "../codecs/rt286.h"
+
+static struct snd_soc_jack cz_jack;
+static struct snd_soc_jack_pin cz_pins[] = {
+ {
+ .pin = "Analog Mic",
+ .mask = SND_JACK_MICROPHONE,
+ },
+ {
+ .pin = "Headphones",
+ .mask = SND_JACK_HEADPHONE,
+ },
+};
+
+static int cz_init(struct snd_soc_pcm_runtime *rtd)
+{
+ int ret;
+ struct snd_soc_card *card;
+ struct snd_soc_codec *codec;
+ struct snd_soc_dai *codec_dai = rtd->codec_dai;
+
+ codec = rtd->codec;
+ card = rtd->card;
+
+ ret = snd_soc_dai_set_sysclk(codec_dai, RT286_SCLK_S_PLL, 24000000,
+ SND_SOC_CLOCK_OUT);
+ if (ret < 0) {
+ dev_err(card->dev, "unable to set codec dai clock\n");
+ return ret;
+ }
+ ret = snd_soc_card_jack_new(card, "Headset",
+ SND_JACK_HEADSET, &cz_jack, cz_pins, ARRAY_SIZE(cz_pins));
+
+ if (ret)
+ return ret;
+
+ rt286_mic_detect(codec, &cz_jack);
+ return 0;
+}
+
+static struct snd_soc_dai_link cz_dai_rt286[] = {
+ {
+ .name = "amd-rt286-play",
+ .stream_name = "RT286_AIF1",
+ .platform_name = "acp_audio_dma.0.auto",
+ .cpu_dai_name = "designware-i2s.1.auto",
+ .codec_dai_name = "rt286-aif1",
+ .codec_name = "i2c-RTK0000:00",
+ .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF
+ | SND_SOC_DAIFMT_CBM_CFM,
+ .init = cz_init,
+ },
+ {
+
+ .name = "amd-rt286-cap",
+ .stream_name = "RT286_AIF1",
+ .platform_name = "acp_audio_dma.0.auto",
+ .cpu_dai_name = "designware-i2s.2.auto",
+ .codec_dai_name = "rt286-aif1",
+ .codec_name = "i2c-RTK0000:00",
+ .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF
+ | SND_SOC_DAIFMT_CBM_CFM,
+ .init = cz_init,
+ },
+
+};
+
+static const struct snd_soc_dapm_widget cz_widgets[] = {
+ SND_SOC_DAPM_HP("Headphones", NULL),
+ SND_SOC_DAPM_MIC("Analog Mic", NULL),
+};
+
+static const struct snd_soc_dapm_route cz_audio_route[] = {
+ {"Headphones", NULL, "HPO L"},
+ {"Headphones", NULL, "HPO R"},
+ {"MIC1", NULL, "Analog Mic"},
+};
+
+static struct snd_soc_card cz_card = {
+ .name = "acp-rt286",
+ .owner = THIS_MODULE,
+ .dai_link = cz_dai_rt286,
+ .num_links = 2,
+
+ .dapm_widgets = cz_widgets,
+ .num_dapm_widgets = ARRAY_SIZE(cz_widgets),
+ .dapm_routes = cz_audio_route,
+ .num_dapm_routes = ARRAY_SIZE(cz_audio_route),
+};
+
+static int cz_probe(struct platform_device *pdev)
+{
+ int ret;
+ struct snd_soc_card *card;
+
+ card = &cz_card;
+ cz_card.dev = &pdev->dev;
+ platform_set_drvdata(pdev, card);
+ ret = snd_soc_register_card(card);
+ if (ret) {
+ dev_err(&pdev->dev,
+ "snd_soc_register_card(%s) failed: %d\n",
+ cz_card.name, ret);
+ return ret;
+ }
+ return 0;
+}
+
+static int cz_remove(struct platform_device *pdev)
+{
+ struct snd_soc_card *card;
+
+ card = platform_get_drvdata(pdev);
+ snd_soc_unregister_card(card);
+
+ return 0;
+}
+
+static const struct acpi_device_id cz_audio_acpi_match[] = {
+ { "I2SC1002", 0 },
+ {},
+};
+
+static struct platform_driver cz_pcm_driver = {
+ .driver = {
+ .name = "cz-rt288",
+ .acpi_match_table = ACPI_PTR(cz_audio_acpi_match),
+ .pm = &snd_soc_pm_ops,
+ },
+ .probe = cz_probe,
+ .remove = cz_remove,
+};
+
+module_platform_driver(cz_pcm_driver);
+
+MODULE_AUTHOR("Maruthi.Bayyavarapu@amd.com");
+MODULE_DESCRIPTION("cz-rt288 audio support");
+MODULE_LICENSE("GPL v2");
--
2.7.4
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