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Diffstat (limited to 'sound/soc/samsung/tm2_wm5110.c')
-rw-r--r--sound/soc/samsung/tm2_wm5110.c673
1 files changed, 673 insertions, 0 deletions
diff --git a/sound/soc/samsung/tm2_wm5110.c b/sound/soc/samsung/tm2_wm5110.c
new file mode 100644
index 000000000..d611ec9e5
--- /dev/null
+++ b/sound/soc/samsung/tm2_wm5110.c
@@ -0,0 +1,673 @@
+// SPDX-License-Identifier: GPL-2.0+
+//
+// Copyright (C) 2015 - 2016 Samsung Electronics Co., Ltd.
+//
+// Authors: Inha Song <ideal.song@samsung.com>
+// Sylwester Nawrocki <s.nawrocki@samsung.com>
+
+#include <linux/clk.h>
+#include <linux/gpio.h>
+#include <linux/gpio/consumer.h>
+#include <linux/module.h>
+#include <linux/of.h>
+#include <sound/pcm_params.h>
+#include <sound/soc.h>
+
+#include "i2s.h"
+#include "../codecs/wm5110.h"
+
+/*
+ * The source clock is XCLKOUT with its mux set to the external fixed rate
+ * oscillator (XXTI).
+ */
+#define MCLK_RATE 24000000U
+
+#define TM2_DAI_AIF1 0
+#define TM2_DAI_AIF2 1
+
+struct tm2_machine_priv {
+ struct snd_soc_component *component;
+ unsigned int sysclk_rate;
+ struct gpio_desc *gpio_mic_bias;
+};
+
+static int tm2_start_sysclk(struct snd_soc_card *card)
+{
+ struct tm2_machine_priv *priv = snd_soc_card_get_drvdata(card);
+ struct snd_soc_component *component = priv->component;
+ int ret;
+
+ ret = snd_soc_component_set_pll(component, WM5110_FLL1_REFCLK,
+ ARIZONA_FLL_SRC_MCLK1,
+ MCLK_RATE,
+ priv->sysclk_rate);
+ if (ret < 0) {
+ dev_err(component->dev, "Failed to set FLL1 source: %d\n", ret);
+ return ret;
+ }
+
+ ret = snd_soc_component_set_pll(component, WM5110_FLL1,
+ ARIZONA_FLL_SRC_MCLK1,
+ MCLK_RATE,
+ priv->sysclk_rate);
+ if (ret < 0) {
+ dev_err(component->dev, "Failed to start FLL1: %d\n", ret);
+ return ret;
+ }
+
+ ret = snd_soc_component_set_sysclk(component, ARIZONA_CLK_SYSCLK,
+ ARIZONA_CLK_SRC_FLL1,
+ priv->sysclk_rate,
+ SND_SOC_CLOCK_IN);
+ if (ret < 0) {
+ dev_err(component->dev, "Failed to set SYSCLK source: %d\n", ret);
+ return ret;
+ }
+
+ return 0;
+}
+
+static int tm2_stop_sysclk(struct snd_soc_card *card)
+{
+ struct tm2_machine_priv *priv = snd_soc_card_get_drvdata(card);
+ struct snd_soc_component *component = priv->component;
+ int ret;
+
+ ret = snd_soc_component_set_pll(component, WM5110_FLL1, 0, 0, 0);
+ if (ret < 0) {
+ dev_err(component->dev, "Failed to stop FLL1: %d\n", ret);
+ return ret;
+ }
+
+ ret = snd_soc_component_set_sysclk(component, ARIZONA_CLK_SYSCLK,
+ ARIZONA_CLK_SRC_FLL1, 0, 0);
+ if (ret < 0) {
+ dev_err(component->dev, "Failed to stop SYSCLK: %d\n", ret);
+ return ret;
+ }
+
+ return 0;
+}
+
+static int tm2_aif1_hw_params(struct snd_pcm_substream *substream,
+ struct snd_pcm_hw_params *params)
+{
+ struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
+ struct snd_soc_component *component = asoc_rtd_to_codec(rtd, 0)->component;
+ struct tm2_machine_priv *priv = snd_soc_card_get_drvdata(rtd->card);
+
+ switch (params_rate(params)) {
+ case 4000:
+ case 8000:
+ case 12000:
+ case 16000:
+ case 24000:
+ case 32000:
+ case 48000:
+ case 96000:
+ case 192000:
+ /* Highest possible SYSCLK frequency: 147.456MHz */
+ priv->sysclk_rate = 147456000U;
+ break;
+ case 11025:
+ case 22050:
+ case 44100:
+ case 88200:
+ case 176400:
+ /* Highest possible SYSCLK frequency: 135.4752 MHz */
+ priv->sysclk_rate = 135475200U;
+ break;
+ default:
+ dev_err(component->dev, "Not supported sample rate: %d\n",
+ params_rate(params));
+ return -EINVAL;
+ }
+
+ return tm2_start_sysclk(rtd->card);
+}
+
+static const struct snd_soc_ops tm2_aif1_ops = {
+ .hw_params = tm2_aif1_hw_params,
+};
+
+static int tm2_aif2_hw_params(struct snd_pcm_substream *substream,
+ struct snd_pcm_hw_params *params)
+{
+ struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
+ struct snd_soc_component *component = asoc_rtd_to_codec(rtd, 0)->component;
+ unsigned int asyncclk_rate;
+ int ret;
+
+ switch (params_rate(params)) {
+ case 8000:
+ case 12000:
+ case 16000:
+ /* Highest possible ASYNCCLK frequency: 49.152MHz */
+ asyncclk_rate = 49152000U;
+ break;
+ case 11025:
+ /* Highest possible ASYNCCLK frequency: 45.1584 MHz */
+ asyncclk_rate = 45158400U;
+ break;
+ default:
+ dev_err(component->dev, "Not supported sample rate: %d\n",
+ params_rate(params));
+ return -EINVAL;
+ }
+
+ ret = snd_soc_component_set_pll(component, WM5110_FLL2_REFCLK,
+ ARIZONA_FLL_SRC_MCLK1,
+ MCLK_RATE,
+ asyncclk_rate);
+ if (ret < 0) {
+ dev_err(component->dev, "Failed to set FLL2 source: %d\n", ret);
+ return ret;
+ }
+
+ ret = snd_soc_component_set_pll(component, WM5110_FLL2,
+ ARIZONA_FLL_SRC_MCLK1,
+ MCLK_RATE,
+ asyncclk_rate);
+ if (ret < 0) {
+ dev_err(component->dev, "Failed to start FLL2: %d\n", ret);
+ return ret;
+ }
+
+ ret = snd_soc_component_set_sysclk(component, ARIZONA_CLK_ASYNCCLK,
+ ARIZONA_CLK_SRC_FLL2,
+ asyncclk_rate,
+ SND_SOC_CLOCK_IN);
+ if (ret < 0) {
+ dev_err(component->dev, "Failed to set ASYNCCLK source: %d\n", ret);
+ return ret;
+ }
+
+ return 0;
+}
+
+static int tm2_aif2_hw_free(struct snd_pcm_substream *substream)
+{
+ struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
+ struct snd_soc_component *component = asoc_rtd_to_codec(rtd, 0)->component;
+ int ret;
+
+ /* disable FLL2 */
+ ret = snd_soc_component_set_pll(component, WM5110_FLL2, ARIZONA_FLL_SRC_MCLK1,
+ 0, 0);
+ if (ret < 0)
+ dev_err(component->dev, "Failed to stop FLL2: %d\n", ret);
+
+ return ret;
+}
+
+static const struct snd_soc_ops tm2_aif2_ops = {
+ .hw_params = tm2_aif2_hw_params,
+ .hw_free = tm2_aif2_hw_free,
+};
+
+static int tm2_hdmi_hw_params(struct snd_pcm_substream *substream,
+ struct snd_pcm_hw_params *params)
+{
+ struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
+ struct snd_soc_dai *cpu_dai = asoc_rtd_to_cpu(rtd, 0);
+ unsigned int bfs;
+ int bitwidth, ret;
+
+ bitwidth = snd_pcm_format_width(params_format(params));
+ if (bitwidth < 0) {
+ dev_err(rtd->card->dev, "Invalid bit-width: %d\n", bitwidth);
+ return bitwidth;
+ }
+
+ switch (bitwidth) {
+ case 48:
+ bfs = 64;
+ break;
+ case 16:
+ bfs = 32;
+ break;
+ default:
+ dev_err(rtd->card->dev, "Unsupported bit-width: %d\n", bitwidth);
+ return -EINVAL;
+ }
+
+ switch (params_rate(params)) {
+ case 48000:
+ case 96000:
+ case 192000:
+ break;
+ default:
+ dev_err(rtd->card->dev, "Unsupported sample rate: %d\n",
+ params_rate(params));
+ return -EINVAL;
+ }
+
+ ret = snd_soc_dai_set_sysclk(cpu_dai, SAMSUNG_I2S_OPCLK,
+ 0, SAMSUNG_I2S_OPCLK_PCLK);
+ if (ret < 0)
+ return ret;
+
+ ret = snd_soc_dai_set_clkdiv(cpu_dai, SAMSUNG_I2S_DIV_BCLK, bfs);
+ if (ret < 0)
+ return ret;
+
+ return 0;
+}
+
+static const struct snd_soc_ops tm2_hdmi_ops = {
+ .hw_params = tm2_hdmi_hw_params,
+};
+
+static int tm2_mic_bias(struct snd_soc_dapm_widget *w,
+ struct snd_kcontrol *kcontrol, int event)
+{
+ struct snd_soc_card *card = w->dapm->card;
+ struct tm2_machine_priv *priv = snd_soc_card_get_drvdata(card);
+
+ switch (event) {
+ case SND_SOC_DAPM_PRE_PMU:
+ gpiod_set_value_cansleep(priv->gpio_mic_bias, 1);
+ break;
+ case SND_SOC_DAPM_POST_PMD:
+ gpiod_set_value_cansleep(priv->gpio_mic_bias, 0);
+ break;
+ }
+
+ return 0;
+}
+
+static int tm2_set_bias_level(struct snd_soc_card *card,
+ struct snd_soc_dapm_context *dapm,
+ enum snd_soc_bias_level level)
+{
+ struct snd_soc_pcm_runtime *rtd;
+
+ rtd = snd_soc_get_pcm_runtime(card, &card->dai_link[0]);
+
+ if (dapm->dev != asoc_rtd_to_codec(rtd, 0)->dev)
+ return 0;
+
+ switch (level) {
+ case SND_SOC_BIAS_STANDBY:
+ if (card->dapm.bias_level == SND_SOC_BIAS_OFF)
+ tm2_start_sysclk(card);
+ break;
+ case SND_SOC_BIAS_OFF:
+ tm2_stop_sysclk(card);
+ break;
+ default:
+ break;
+ }
+
+ return 0;
+}
+
+static struct snd_soc_aux_dev tm2_speaker_amp_dev;
+
+static int tm2_late_probe(struct snd_soc_card *card)
+{
+ struct tm2_machine_priv *priv = snd_soc_card_get_drvdata(card);
+ unsigned int ch_map[] = { 0, 1 };
+ struct snd_soc_dai *amp_pdm_dai;
+ struct snd_soc_pcm_runtime *rtd;
+ struct snd_soc_dai *aif1_dai;
+ struct snd_soc_dai *aif2_dai;
+ int ret;
+
+ rtd = snd_soc_get_pcm_runtime(card, &card->dai_link[TM2_DAI_AIF1]);
+ aif1_dai = asoc_rtd_to_codec(rtd, 0);
+ priv->component = asoc_rtd_to_codec(rtd, 0)->component;
+
+ ret = snd_soc_dai_set_sysclk(aif1_dai, ARIZONA_CLK_SYSCLK, 0, 0);
+ if (ret < 0) {
+ dev_err(aif1_dai->dev, "Failed to set SYSCLK: %d\n", ret);
+ return ret;
+ }
+
+ rtd = snd_soc_get_pcm_runtime(card, &card->dai_link[TM2_DAI_AIF2]);
+ aif2_dai = asoc_rtd_to_codec(rtd, 0);
+
+ ret = snd_soc_dai_set_sysclk(aif2_dai, ARIZONA_CLK_ASYNCCLK, 0, 0);
+ if (ret < 0) {
+ dev_err(aif2_dai->dev, "Failed to set ASYNCCLK: %d\n", ret);
+ return ret;
+ }
+
+ amp_pdm_dai = snd_soc_find_dai(&tm2_speaker_amp_dev.dlc);
+ if (!amp_pdm_dai)
+ return -ENODEV;
+
+ /* Set the MAX98504 V/I sense PDM Tx DAI channel mapping */
+ ret = snd_soc_dai_set_channel_map(amp_pdm_dai, ARRAY_SIZE(ch_map),
+ ch_map, 0, NULL);
+ if (ret < 0)
+ return ret;
+
+ ret = snd_soc_dai_set_tdm_slot(amp_pdm_dai, 0x3, 0x0, 2, 16);
+ if (ret < 0)
+ return ret;
+
+ return 0;
+}
+
+static const struct snd_kcontrol_new tm2_controls[] = {
+ SOC_DAPM_PIN_SWITCH("HP"),
+ SOC_DAPM_PIN_SWITCH("SPK"),
+ SOC_DAPM_PIN_SWITCH("RCV"),
+ SOC_DAPM_PIN_SWITCH("VPS"),
+ SOC_DAPM_PIN_SWITCH("HDMI"),
+
+ SOC_DAPM_PIN_SWITCH("Main Mic"),
+ SOC_DAPM_PIN_SWITCH("Sub Mic"),
+ SOC_DAPM_PIN_SWITCH("Third Mic"),
+
+ SOC_DAPM_PIN_SWITCH("Headset Mic"),
+};
+
+static const struct snd_soc_dapm_widget tm2_dapm_widgets[] = {
+ SND_SOC_DAPM_HP("HP", NULL),
+ SND_SOC_DAPM_SPK("SPK", NULL),
+ SND_SOC_DAPM_SPK("RCV", NULL),
+ SND_SOC_DAPM_LINE("VPS", NULL),
+ SND_SOC_DAPM_LINE("HDMI", NULL),
+
+ SND_SOC_DAPM_MIC("Main Mic", tm2_mic_bias),
+ SND_SOC_DAPM_MIC("Sub Mic", NULL),
+ SND_SOC_DAPM_MIC("Third Mic", NULL),
+
+ SND_SOC_DAPM_MIC("Headset Mic", NULL),
+};
+
+static const struct snd_soc_component_driver tm2_component = {
+ .name = "tm2-audio",
+};
+
+static struct snd_soc_dai_driver tm2_ext_dai[] = {
+ {
+ .name = "Voice call",
+ .playback = {
+ .channels_min = 1,
+ .channels_max = 4,
+ .rate_min = 8000,
+ .rate_max = 48000,
+ .rates = (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_16000 |
+ SNDRV_PCM_RATE_48000),
+ .formats = SNDRV_PCM_FMTBIT_S16_LE,
+ },
+ .capture = {
+ .channels_min = 1,
+ .channels_max = 4,
+ .rate_min = 8000,
+ .rate_max = 48000,
+ .rates = (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_16000 |
+ SNDRV_PCM_RATE_48000),
+ .formats = SNDRV_PCM_FMTBIT_S16_LE,
+ },
+ },
+ {
+ .name = "Bluetooth",
+ .playback = {
+ .channels_min = 1,
+ .channels_max = 4,
+ .rate_min = 8000,
+ .rate_max = 16000,
+ .rates = (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_16000),
+ .formats = SNDRV_PCM_FMTBIT_S16_LE,
+ },
+ .capture = {
+ .channels_min = 1,
+ .channels_max = 2,
+ .rate_min = 8000,
+ .rate_max = 16000,
+ .rates = (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_16000),
+ .formats = SNDRV_PCM_FMTBIT_S16_LE,
+ },
+ },
+};
+
+SND_SOC_DAILINK_DEFS(aif1,
+ DAILINK_COMP_ARRAY(COMP_CPU(SAMSUNG_I2S_DAI)),
+ DAILINK_COMP_ARRAY(COMP_CODEC(NULL, "wm5110-aif1")),
+ DAILINK_COMP_ARRAY(COMP_EMPTY()));
+
+SND_SOC_DAILINK_DEFS(voice,
+ DAILINK_COMP_ARRAY(COMP_CPU(SAMSUNG_I2S_DAI)),
+ DAILINK_COMP_ARRAY(COMP_CODEC(NULL, "wm5110-aif2")),
+ DAILINK_COMP_ARRAY(COMP_EMPTY()));
+
+SND_SOC_DAILINK_DEFS(bt,
+ DAILINK_COMP_ARRAY(COMP_CPU(SAMSUNG_I2S_DAI)),
+ DAILINK_COMP_ARRAY(COMP_CODEC(NULL, "wm5110-aif3")),
+ DAILINK_COMP_ARRAY(COMP_EMPTY()));
+
+SND_SOC_DAILINK_DEFS(hdmi,
+ DAILINK_COMP_ARRAY(COMP_EMPTY()),
+ DAILINK_COMP_ARRAY(COMP_EMPTY()),
+ DAILINK_COMP_ARRAY(COMP_EMPTY()));
+
+static struct snd_soc_dai_link tm2_dai_links[] = {
+ {
+ .name = "WM5110 AIF1",
+ .stream_name = "HiFi Primary",
+ .ops = &tm2_aif1_ops,
+ .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
+ SND_SOC_DAIFMT_CBM_CFM,
+ SND_SOC_DAILINK_REG(aif1),
+ }, {
+ .name = "WM5110 Voice",
+ .stream_name = "Voice call",
+ .ops = &tm2_aif2_ops,
+ .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
+ SND_SOC_DAIFMT_CBM_CFM,
+ .ignore_suspend = 1,
+ SND_SOC_DAILINK_REG(voice),
+ }, {
+ .name = "WM5110 BT",
+ .stream_name = "Bluetooth",
+ .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
+ SND_SOC_DAIFMT_CBM_CFM,
+ .ignore_suspend = 1,
+ SND_SOC_DAILINK_REG(bt),
+ }, {
+ .name = "HDMI",
+ .stream_name = "i2s1",
+ .ops = &tm2_hdmi_ops,
+ .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
+ SND_SOC_DAIFMT_CBS_CFS,
+ SND_SOC_DAILINK_REG(hdmi),
+ }
+};
+
+static struct snd_soc_card tm2_card = {
+ .owner = THIS_MODULE,
+
+ .dai_link = tm2_dai_links,
+ .controls = tm2_controls,
+ .num_controls = ARRAY_SIZE(tm2_controls),
+ .dapm_widgets = tm2_dapm_widgets,
+ .num_dapm_widgets = ARRAY_SIZE(tm2_dapm_widgets),
+ .aux_dev = &tm2_speaker_amp_dev,
+ .num_aux_devs = 1,
+
+ .late_probe = tm2_late_probe,
+ .set_bias_level = tm2_set_bias_level,
+};
+
+static int tm2_probe(struct platform_device *pdev)
+{
+ struct device_node *cpu_dai_node[2] = {};
+ struct device_node *codec_dai_node[2] = {};
+ const char *cells_name = NULL;
+ struct device *dev = &pdev->dev;
+ struct snd_soc_card *card = &tm2_card;
+ struct tm2_machine_priv *priv;
+ struct snd_soc_dai_link *dai_link;
+ int num_codecs, ret, i;
+
+ priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL);
+ if (!priv)
+ return -ENOMEM;
+
+ snd_soc_card_set_drvdata(card, priv);
+ card->dev = dev;
+
+ priv->gpio_mic_bias = devm_gpiod_get(dev, "mic-bias", GPIOD_OUT_HIGH);
+ if (IS_ERR(priv->gpio_mic_bias)) {
+ dev_err(dev, "Failed to get mic bias gpio\n");
+ return PTR_ERR(priv->gpio_mic_bias);
+ }
+
+ ret = snd_soc_of_parse_card_name(card, "model");
+ if (ret < 0) {
+ dev_err(dev, "Card name is not specified\n");
+ return ret;
+ }
+
+ ret = snd_soc_of_parse_audio_routing(card, "samsung,audio-routing");
+ if (ret < 0) {
+ dev_err(dev, "Audio routing is not specified or invalid\n");
+ return ret;
+ }
+
+ card->aux_dev[0].dlc.of_node = of_parse_phandle(dev->of_node,
+ "audio-amplifier", 0);
+ if (!card->aux_dev[0].dlc.of_node) {
+ dev_err(dev, "audio-amplifier property invalid or missing\n");
+ return -EINVAL;
+ }
+
+ num_codecs = of_count_phandle_with_args(dev->of_node, "audio-codec",
+ NULL);
+
+ /* Skip the HDMI link if not specified in DT */
+ if (num_codecs > 1) {
+ card->num_links = ARRAY_SIZE(tm2_dai_links);
+ cells_name = "#sound-dai-cells";
+ } else {
+ card->num_links = ARRAY_SIZE(tm2_dai_links) - 1;
+ }
+
+ for (i = 0; i < num_codecs; i++) {
+ struct of_phandle_args args;
+
+ ret = of_parse_phandle_with_args(dev->of_node, "i2s-controller",
+ cells_name, i, &args);
+ if (ret) {
+ dev_err(dev, "i2s-controller property parse error: %d\n", i);
+ ret = -EINVAL;
+ goto dai_node_put;
+ }
+ cpu_dai_node[i] = args.np;
+
+ codec_dai_node[i] = of_parse_phandle(dev->of_node,
+ "audio-codec", i);
+ if (!codec_dai_node[i]) {
+ dev_err(dev, "audio-codec property parse error\n");
+ ret = -EINVAL;
+ goto dai_node_put;
+ }
+ }
+
+ /* Initialize WM5110 - I2S and HDMI - I2S1 DAI links */
+ for_each_card_prelinks(card, i, dai_link) {
+ unsigned int dai_index = 0; /* WM5110 */
+
+ dai_link->cpus->name = NULL;
+ dai_link->platforms->name = NULL;
+
+ if (num_codecs > 1 && i == card->num_links - 1)
+ dai_index = 1; /* HDMI */
+
+ dai_link->codecs->of_node = codec_dai_node[dai_index];
+ dai_link->cpus->of_node = cpu_dai_node[dai_index];
+ dai_link->platforms->of_node = cpu_dai_node[dai_index];
+ }
+
+ if (num_codecs > 1) {
+ struct of_phandle_args args;
+
+ /* HDMI DAI link (I2S1) */
+ i = card->num_links - 1;
+
+ ret = of_parse_phandle_with_fixed_args(dev->of_node,
+ "audio-codec", 0, 1, &args);
+ if (ret) {
+ dev_err(dev, "audio-codec property parse error\n");
+ goto dai_node_put;
+ }
+
+ ret = snd_soc_get_dai_name(&args, &card->dai_link[i].codecs->dai_name);
+ if (ret) {
+ dev_err(dev, "Unable to get codec_dai_name\n");
+ goto dai_node_put;
+ }
+ }
+
+ ret = devm_snd_soc_register_component(dev, &tm2_component,
+ tm2_ext_dai, ARRAY_SIZE(tm2_ext_dai));
+ if (ret < 0) {
+ dev_err(dev, "Failed to register component: %d\n", ret);
+ goto dai_node_put;
+ }
+
+ ret = devm_snd_soc_register_card(dev, card);
+ if (ret < 0) {
+ dev_err_probe(dev, ret, "Failed to register card\n");
+ goto dai_node_put;
+ }
+
+dai_node_put:
+ for (i = 0; i < num_codecs; i++) {
+ of_node_put(codec_dai_node[i]);
+ of_node_put(cpu_dai_node[i]);
+ }
+
+ of_node_put(card->aux_dev[0].dlc.of_node);
+
+ return ret;
+}
+
+static int tm2_pm_prepare(struct device *dev)
+{
+ struct snd_soc_card *card = dev_get_drvdata(dev);
+
+ return tm2_stop_sysclk(card);
+}
+
+static void tm2_pm_complete(struct device *dev)
+{
+ struct snd_soc_card *card = dev_get_drvdata(dev);
+
+ tm2_start_sysclk(card);
+}
+
+static const struct dev_pm_ops tm2_pm_ops = {
+ .prepare = tm2_pm_prepare,
+ .suspend = snd_soc_suspend,
+ .resume = snd_soc_resume,
+ .complete = tm2_pm_complete,
+ .freeze = snd_soc_suspend,
+ .thaw = snd_soc_resume,
+ .poweroff = snd_soc_poweroff,
+ .restore = snd_soc_resume,
+};
+
+static const struct of_device_id tm2_of_match[] = {
+ { .compatible = "samsung,tm2-audio" },
+ { },
+};
+MODULE_DEVICE_TABLE(of, tm2_of_match);
+
+static struct platform_driver tm2_driver = {
+ .driver = {
+ .name = "tm2-audio",
+ .pm = &tm2_pm_ops,
+ .of_match_table = tm2_of_match,
+ },
+ .probe = tm2_probe,
+};
+module_platform_driver(tm2_driver);
+
+MODULE_AUTHOR("Inha Song <ideal.song@samsung.com>");
+MODULE_DESCRIPTION("ALSA SoC Exynos TM2 Audio Support");
+MODULE_LICENSE("GPL v2");
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-09 06:25:27 +0000