--- /dev/null
+/*
+ * Machine driver for AMD ACP Audio engine using DA7219 & MAX98357 codec
+ *
+ * Copyright 2017 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/da7219.h"
+#include "../codecs/da7219-aad.h"
+
+#define CZ_PLAT_CLK 24000000
+#define MCLK_RATE 24576000
+#define DUAL_CHANNEL 2
+
+static struct snd_soc_jack cz_jack;
+
+static int cz_da7219_init(struct snd_soc_pcm_runtime *rtd)
+{
+ int ret;
+ struct snd_soc_card *card = rtd->card;
+ struct snd_soc_codec *codec = rtd->codec;
+ struct snd_soc_dai *codec_dai = rtd->codec_dai;
+
+ dev_info(rtd->dev, "codec dai name = %s\n", codec_dai->name);
+
+ ret = snd_soc_dai_set_sysclk(codec_dai, DA7219_CLKSRC_MCLK,
+ CZ_PLAT_CLK, SND_SOC_CLOCK_IN);
+ if (ret < 0) {
+ dev_err(rtd->dev, "can't set codec sysclk: %d\n", ret);
+ return ret;
+ }
+
+ ret = snd_soc_dai_set_pll(codec_dai, 0, DA7219_SYSCLK_PLL,
+ CZ_PLAT_CLK, MCLK_RATE);
+ if (ret < 0) {
+ dev_err(rtd->dev, "can't set codec pll: %d\n", ret);
+ return ret;
+ }
+
+ ret = snd_soc_card_jack_new(card, "Headset Jack",
+ SND_JACK_HEADPHONE | SND_JACK_MICROPHONE |
+ SND_JACK_BTN_0 | SND_JACK_BTN_1 |
+ SND_JACK_BTN_2 | SND_JACK_BTN_3,
+ &cz_jack, NULL, 0);
+ if (ret) {
+ dev_err(card->dev, "HP jack creation failed %d\n", ret);
+ return ret;
+ }
+
+ da7219_aad_jack_det(codec, &cz_jack);
+
+ return 0;
+}
+
+static const unsigned int channels[] = {
+ DUAL_CHANNEL,
+};
+
+static const unsigned int rates[] = {
+ 48000,
+};
+
+static const struct snd_pcm_hw_constraint_list constraints_rates = {
+ .count = ARRAY_SIZE(rates),
+ .list = rates,
+ .mask = 0,
+};
+
+static const struct snd_pcm_hw_constraint_list constraints_channels = {
+ .count = ARRAY_SIZE(channels),
+ .list = channels,
+ .mask = 0,
+};
+
+static int cz_fe_startup(struct snd_pcm_substream *substream)
+{
+ struct snd_pcm_runtime *runtime = substream->runtime;
+
+ /*
+ * On this platform for PCM device we support stereo
+ */
+
+ runtime->hw.channels_max = DUAL_CHANNEL;
+ snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS,
+ &constraints_channels);
+ snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE,
+ &constraints_rates);
+
+ return 0;
+}
+
+static struct snd_soc_ops cz_da7219_cap_ops = {
+ .startup = cz_fe_startup,
+};
+
+static struct snd_soc_dai_link cz_dai_7219_98357[] = {
+ {
+ .name = "amd-da7219-play",
+ .stream_name = "Playback",
+ .platform_name = "acp_audio_dma.0.auto",
+ .cpu_dai_name = "designware-i2s.3.auto",
+ .codec_dai_name = "da7219-hifi",
+ .codec_name = "i2c-DLGS7219:00",
+ .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF
+ | SND_SOC_DAIFMT_CBM_CFM,
+ .init = cz_da7219_init,
+ .dpcm_playback = 1,
+ },
+ {
+ .name = "amd-da7219-cap",
+ .stream_name = "Capture",
+ .platform_name = "acp_audio_dma.0.auto",
+ .cpu_dai_name = "designware-i2s.4.auto",
+ .codec_dai_name = "da7219-hifi",
+ .codec_name = "i2c-DLGS7219:00",
+ .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF
+ | SND_SOC_DAIFMT_CBM_CFM,
+ .dpcm_capture = 1,
+ .ops = &cz_da7219_cap_ops,
+ },
+ {
+ .name = "amd-max98357-play",
+ .stream_name = "HiFi Playback",
+ .platform_name = "acp_audio_dma.0.auto",
+ .cpu_dai_name = "designware-i2s.1.auto",
+ .codec_dai_name = "HiFi",
+ .codec_name = "MX98357A:00",
+ .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF
+ | SND_SOC_DAIFMT_CBM_CFM,
+ .dpcm_playback = 1,
+ },
+ {
+ .name = "dmic",
+ .stream_name = "DMIC Capture",
+ .platform_name = "acp_audio_dma.0.auto",
+ .cpu_dai_name = "designware-i2s.2.auto",
+ .codec_dai_name = "adau7002-hifi",
+ .codec_name = "ADAU7002:00",
+ .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF
+ | SND_SOC_DAIFMT_CBM_CFM,
+ .dpcm_capture = 1,
+ },
+};
+
+static const struct snd_soc_dapm_widget cz_widgets[] = {
+ SND_SOC_DAPM_HP("Headphones", NULL),
+ SND_SOC_DAPM_SPK("Speakers", NULL),
+ SND_SOC_DAPM_MIC("Headset Mic", NULL),
+ SND_SOC_DAPM_MIC("Int Mic", NULL),
+};
+
+static const struct snd_soc_dapm_route cz_audio_route[] = {
+ {"Headphones", NULL, "HPL"},
+ {"Headphones", NULL, "HPR"},
+ {"MIC", NULL, "Headset Mic"},
+ {"Speakers", NULL, "Speaker"},
+ {"PDM_DAT", NULL, "Int Mic"},
+};
+
+static const struct snd_kcontrol_new cz_mc_controls[] = {
+ SOC_DAPM_PIN_SWITCH("Headphones"),
+ SOC_DAPM_PIN_SWITCH("Speakers"),
+ SOC_DAPM_PIN_SWITCH("Headset Mic"),
+ SOC_DAPM_PIN_SWITCH("Int Mic"),
+};
+
+static struct snd_soc_card cz_card = {
+ .name = "acpd7219m98357",
+ .owner = THIS_MODULE,
+ .dai_link = cz_dai_7219_98357,
+ .num_links = ARRAY_SIZE(cz_dai_7219_98357),
+ .dapm_widgets = cz_widgets,
+ .num_dapm_widgets = ARRAY_SIZE(cz_widgets),
+ .dapm_routes = cz_audio_route,
+ .num_dapm_routes = ARRAY_SIZE(cz_audio_route),
+ .controls = cz_mc_controls,
+ .num_controls = ARRAY_SIZE(cz_mc_controls),
+};
+
+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 = devm_snd_soc_register_card(&pdev->dev, &cz_card);
+ if (ret) {
+ dev_err(&pdev->dev,
+ "devm_snd_soc_register_card(%s) failed: %d\n",
+ cz_card.name, ret);
+ return ret;
+ }
+ return 0;
+}
+
+static const struct acpi_device_id cz_audio_acpi_match[] = {
+ { "AMD7219", 0 },
+ {},
+};
+MODULE_DEVICE_TABLE(acpi, cz_audio_acpi_match);
+
+static struct platform_driver cz_pcm_driver = {
+ .driver = {
+ .name = "cz-da7219-max98357a",
+ .acpi_match_table = ACPI_PTR(cz_audio_acpi_match),
+ .pm = &snd_soc_pm_ops,
+ },
+ .probe = cz_probe,
+};
+
+module_platform_driver(cz_pcm_driver);
+
+MODULE_AUTHOR("akshu.agrawal@amd.com");
+MODULE_DESCRIPTION("DA7219 & MAX98357A audio support");
+MODULE_LICENSE("GPL v2");
projects / linux.git / commitdiff