/* * Exynos9610-RT5665 Audio Machine driver. * * 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; either version 2 of the License, or (at your * option) any later version. */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include "../codecs/rt5665.h" #include #define CODEC_SAMPLE_RATE_48KHZ 48000 #define CODEC_PLL_48KHZ 24576000 #define CODEC_SAMPLE_RATE_192KHZ 192000 #define CODEC_PLL_192KHZ 49152000 #define RT5665_MCLK_FREQ 26000000 #define RT5665_DAI_ID 0x5665 #define RT5665_DAI_OFFSET 13 #define RT5665_CODEC_MAX 22 #define RT5665_AUX_MAX 2 #define CLK_SRC_SCLK 0 #define CLK_SRC_LRCLK 1 #define CLK_SRC_PDM 2 #define CLK_SRC_SELF 3 #define CLK_SRC_MCLK 4 #define CLK_SRC_SWIRE 5 #define CLK_SRC_DAI 0 #define CLK_SRC_CODEC 1 #define RDMA_COUNT 8 #define WDMA_COUNT 5 #define UAIF_START (RDMA_COUNT + WDMA_COUNT) #define UAIF_COUNT 4 #define SIFS_START (RDMA_COUNT + WDMA_COUNT + UAIF_COUNT + 2) #define SIFS_COUNT 3 static struct snd_soc_card exynos9610_audio; static struct snd_soc_codec_conf codec_conf[RT5665_CODEC_MAX]; static struct snd_soc_aux_dev aux_dev[RT5665_AUX_MAX]; static struct clk *xclkout; struct rt5665_drvdata { struct device *dev; struct snd_soc_codec *codec; struct snd_soc_jack rt5665_headset; int aifrate; bool use_external_jd; }; static struct rt5665_drvdata exynos9610_drvdata; static struct snd_soc_pcm_runtime *rt5665_get_rtd(struct snd_soc_card *card, int id) { struct snd_soc_dai_link *dai_link; struct snd_soc_pcm_runtime *rtd = NULL; for (dai_link = card->dai_link; dai_link - card->dai_link < card->num_links; dai_link++) { if (id == dai_link->id) { rtd = snd_soc_get_pcm_runtime(card, dai_link->name); break; } } if (!rtd) rtd = snd_soc_get_pcm_runtime(card, card->dai_link[id].name); return rtd; } static int exynos9610_rt5665_hw_params(struct snd_pcm_substream *substream, struct snd_pcm_hw_params *params) { struct snd_soc_pcm_runtime *rtd = substream->private_data; struct snd_soc_card *card = rtd->card; struct snd_soc_dai *codec_dai = rtd->codec_dai; int ret, codec_pll_in, codec_pll_out; dev_info(card->dev, "%s-%d %dch, %dHz, %dbytes\n", rtd->dai_link->name, substream->stream, params_channels(params), params_rate(params), params_buffer_bytes(params)); if (params_rate(params) == CODEC_SAMPLE_RATE_192KHZ) codec_pll_in = params_rate(params) * 24 * 2; else codec_pll_in = params_rate(params) * 16 * 2; codec_pll_out = params_rate(params) * 512; ret = snd_soc_dai_set_pll(codec_dai, 0, RT5665_PLL1_S_BCLK1, codec_pll_in, codec_pll_out); if (ret < 0) { dev_err(card->dev, "codec_dai RT5665_PLL1_S_BCLK1 not set\n"); return ret; } ret = snd_soc_dai_set_sysclk(codec_dai, RT5665_SCLK_S_PLL1, codec_pll_out, SND_SOC_CLOCK_IN); if (ret < 0) { dev_err(card->dev, "codec_dai RT5665_PLL1_S_PLL1 not set\n"); return ret; } return ret; } static struct snd_soc_ops uaif0_ops = { .hw_params = exynos9610_rt5665_hw_params, }; static const struct snd_soc_ops uaif_ops = { }; static const struct snd_soc_ops rdma_ops = { }; static const struct snd_soc_ops wdma_ops = { }; static int dsif_hw_params(struct snd_pcm_substream *substream, struct snd_pcm_hw_params *hw_params) { struct snd_soc_pcm_runtime *rtd = substream->private_data; struct snd_soc_dai *cpu_dai = rtd->cpu_dai; int tx_slot[] = {0, 1}; /* bclk ratio 64 for DSD64, 128 for DSD128 */ snd_soc_dai_set_bclk_ratio(cpu_dai, 64); /* channel map 0 1 if left is first, 1 0 if right is first */ snd_soc_dai_set_channel_map(cpu_dai, 2, tx_slot, 0, NULL); return 0; } static const struct snd_soc_ops dsif_ops = { .hw_params = dsif_hw_params, }; static int exynos9610_rt5665_codec_init(struct snd_soc_pcm_runtime *rtd) { int ret; struct rt5665_drvdata *ctx = snd_soc_card_get_drvdata(rtd->card); struct snd_soc_codec *codec = rtd->codec; dev_info(codec->dev, "%s\n", __func__); ret = snd_soc_card_jack_new(&exynos9610_audio, "Headset Jack", SND_JACK_HEADSET, &ctx->rt5665_headset, NULL, 0); if (ret) { dev_err(rtd->dev, "Headset Jack creation failed %d\n", ret); return ret; } rt5665_set_jack_detect(codec, &ctx->rt5665_headset); return ret; } static int exynos9610_late_probe(struct snd_soc_card *card) { struct snd_soc_dai *aif1_dai; struct snd_soc_codec *codec; struct snd_soc_component *cpu; struct snd_soc_dapm_context *dapm; char name[SZ_32]; const char *prefix; int i; dev_info(card->dev, "%s\n", __func__); aif1_dai = rt5665_get_rtd(card, 0)->cpu_dai; cpu = aif1_dai->component; aif1_dai = rt5665_get_rtd(card, RT5665_DAI_ID)->codec_dai; codec = aif1_dai->codec; /* close codec device immediately when pcm is closed */ snd_soc_dapm_ignore_suspend(&card->dapm, "VOUTPUT"); snd_soc_dapm_ignore_suspend(&card->dapm, "VINPUT1"); snd_soc_dapm_ignore_suspend(&card->dapm, "VINPUT2"); snd_soc_dapm_ignore_suspend(&card->dapm, "VOUTPUTCALL"); snd_soc_dapm_ignore_suspend(&card->dapm, "VINPUTCALL"); snd_soc_dapm_ignore_suspend(&card->dapm, "HEADSETMIC"); snd_soc_dapm_ignore_suspend(&card->dapm, "MAINMIC"); snd_soc_dapm_ignore_suspend(&card->dapm, "SUBMIC"); snd_soc_dapm_ignore_suspend(&card->dapm, "RECEIVER"); snd_soc_dapm_ignore_suspend(&card->dapm, "HEADPHONE"); snd_soc_dapm_ignore_suspend(&card->dapm, "SPEAKER"); snd_soc_dapm_sync(&card->dapm); snd_soc_dapm_ignore_suspend(snd_soc_codec_get_dapm(codec), "AIF1 Playback"); snd_soc_dapm_ignore_suspend(snd_soc_codec_get_dapm(codec), "AIF1_1 Capture"); snd_soc_dapm_sync(snd_soc_codec_get_dapm(codec)); snd_soc_dapm_ignore_suspend(snd_soc_component_get_dapm(cpu), "ABOX RDMA0 Playback"); snd_soc_dapm_ignore_suspend(snd_soc_component_get_dapm(cpu), "ABOX RDMA1 Playback"); snd_soc_dapm_ignore_suspend(snd_soc_component_get_dapm(cpu), "ABOX RDMA2 Playback"); snd_soc_dapm_ignore_suspend(snd_soc_component_get_dapm(cpu), "ABOX RDMA3 Playback"); snd_soc_dapm_ignore_suspend(snd_soc_component_get_dapm(cpu), "ABOX RDMA4 Playback"); snd_soc_dapm_ignore_suspend(snd_soc_component_get_dapm(cpu), "ABOX RDMA5 Playback"); snd_soc_dapm_ignore_suspend(snd_soc_component_get_dapm(cpu), "ABOX RDMA6 Playback"); snd_soc_dapm_ignore_suspend(snd_soc_component_get_dapm(cpu), "ABOX RDMA7 Playback"); snd_soc_dapm_ignore_suspend(snd_soc_component_get_dapm(cpu), "ABOX WDMA0 Capture"); snd_soc_dapm_ignore_suspend(snd_soc_component_get_dapm(cpu), "ABOX WDMA1 Capture"); snd_soc_dapm_ignore_suspend(snd_soc_component_get_dapm(cpu), "ABOX WDMA2 Capture"); snd_soc_dapm_ignore_suspend(snd_soc_component_get_dapm(cpu), "ABOX WDMA3 Capture"); snd_soc_dapm_ignore_suspend(snd_soc_component_get_dapm(cpu), "ABOX WDMA4 Capture"); snd_soc_dapm_sync(snd_soc_component_get_dapm(cpu)); for (i = 0; i < UAIF_COUNT; i++) { aif1_dai = rt5665_get_rtd(card, UAIF_START + i)->cpu_dai; cpu = aif1_dai->component; dapm = snd_soc_component_get_dapm(cpu); prefix = dapm->component->name_prefix; snprintf(name, sizeof(name), "%s UAIF%d Capture", prefix, i); snd_soc_dapm_ignore_suspend(dapm, name); snprintf(name, sizeof(name), "%s UAIF%d Playback", prefix, i); snd_soc_dapm_ignore_suspend(dapm, name); snd_soc_dapm_sync(dapm); } for (i = 0; i < SIFS_COUNT; i++) { aif1_dai = rt5665_get_rtd(card, SIFS_START + i)->cpu_dai; cpu = aif1_dai->component; dapm = snd_soc_component_get_dapm(cpu); prefix = dapm->component->name_prefix; snprintf(name, sizeof(name), "%s SIFS%d Capture", prefix, i); snd_soc_dapm_ignore_suspend(dapm, name); snprintf(name, sizeof(name), "%s SIFS%d Playback", prefix, i); snd_soc_dapm_ignore_suspend(dapm, name); snd_soc_dapm_sync(dapm); } return 0; } static const struct snd_kcontrol_new exynos9610_audio_controls[] = { SOC_DAPM_PIN_SWITCH("HEADPHONE"), SOC_DAPM_PIN_SWITCH("SPEAKER"), SOC_DAPM_PIN_SWITCH("RECEIVER"), SOC_DAPM_PIN_SWITCH("MAINMIC"), SOC_DAPM_PIN_SWITCH("SUBMIC"), SOC_DAPM_PIN_SWITCH("HEADSETMIC"), }; const struct snd_soc_dapm_widget exynos9610_audio_dapm_widgets[] = { SND_SOC_DAPM_OUTPUT("VOUTPUT"), SND_SOC_DAPM_INPUT("VINPUT1"), SND_SOC_DAPM_INPUT("VINPUT2"), SND_SOC_DAPM_OUTPUT("VOUTPUTCALL"), SND_SOC_DAPM_INPUT("VINPUTCALL"), SND_SOC_DAPM_MIC("HEADSETMIC", NULL), SND_SOC_DAPM_MIC("MAINMIC", NULL), SND_SOC_DAPM_MIC("SUBMIC", NULL), SND_SOC_DAPM_SPK("RECEIVER", NULL), SND_SOC_DAPM_HP("HEADPHONE", NULL), SND_SOC_DAPM_SPK("SPEAKER", NULL), SND_SOC_DAPM_MIC("BLUETOOTH MIC", NULL), SND_SOC_DAPM_SPK("BLUETOOTH SPK", NULL), }; static struct snd_soc_dai_link exynos9610_dai[] = { { .name = "RDMA0", .stream_name = "RDMA0", .platform_name = "14a51000.abox_rdma", .codec_name = "snd-soc-dummy", .codec_dai_name = "snd-soc-dummy-dai", .dynamic = 1, .ignore_suspend = 1, .trigger = {SND_SOC_DPCM_TRIGGER_POST_PRE, SND_SOC_DPCM_TRIGGER_PRE_POST}, .ops = &rdma_ops, .dpcm_playback = 1, }, { .name = "RDMA1", .stream_name = "RDMA1", .platform_name = "14a51100.abox_rdma", .codec_name = "snd-soc-dummy", .codec_dai_name = "snd-soc-dummy-dai", .dynamic = 1, .ignore_suspend = 1, .trigger = {SND_SOC_DPCM_TRIGGER_POST_PRE, SND_SOC_DPCM_TRIGGER_PRE_POST}, .ops = &rdma_ops, .dpcm_playback = 1, }, { .name = "RDMA2", .stream_name = "RDMA2", .platform_name = "14a51200.abox_rdma", .codec_name = "snd-soc-dummy", .codec_dai_name = "snd-soc-dummy-dai", .dynamic = 1, .ignore_suspend = 1, .trigger = {SND_SOC_DPCM_TRIGGER_POST_PRE, SND_SOC_DPCM_TRIGGER_PRE_POST}, .ops = &rdma_ops, .dpcm_playback = 1, }, { .name = "RDMA3", .stream_name = "RDMA3", .platform_name = "14a51300.abox_rdma", .codec_name = "snd-soc-dummy", .codec_dai_name = "snd-soc-dummy-dai", .dynamic = 1, .ignore_suspend = 1, .trigger = {SND_SOC_DPCM_TRIGGER_POST_PRE, SND_SOC_DPCM_TRIGGER_PRE_POST}, .ops = &rdma_ops, .dpcm_playback = 1, }, { .name = "RDMA4", .stream_name = "RDMA4", .platform_name = "14a51400.abox_rdma", .codec_name = "snd-soc-dummy", .codec_dai_name = "snd-soc-dummy-dai", .dynamic = 1, .ignore_suspend = 1, .trigger = {SND_SOC_DPCM_TRIGGER_POST_PRE, SND_SOC_DPCM_TRIGGER_PRE_POST}, .ops = &rdma_ops, .dpcm_playback = 1, }, { .name = "RDMA5", .stream_name = "RDMA5", .platform_name = "14a51500.abox_rdma", .codec_name = "snd-soc-dummy", .codec_dai_name = "snd-soc-dummy-dai", .dynamic = 1, .ignore_suspend = 1, .trigger = {SND_SOC_DPCM_TRIGGER_POST_PRE, SND_SOC_DPCM_TRIGGER_PRE_POST}, .ops = &rdma_ops, .dpcm_playback = 1, }, { .name = "RDMA6", .stream_name = "RDMA6", .platform_name = "14a51600.abox_rdma", .codec_name = "snd-soc-dummy", .codec_dai_name = "snd-soc-dummy-dai", .dynamic = 1, .ignore_suspend = 1, .trigger = {SND_SOC_DPCM_TRIGGER_POST_PRE, SND_SOC_DPCM_TRIGGER_PRE_POST}, .ops = &rdma_ops, .dpcm_playback = 1, }, { .name = "RDMA7", .stream_name = "RDMA7", .platform_name = "14a51700.abox_rdma", .codec_name = "snd-soc-dummy", .codec_dai_name = "snd-soc-dummy-dai", .dynamic = 1, .ignore_suspend = 1, .trigger = {SND_SOC_DPCM_TRIGGER_POST_PRE, SND_SOC_DPCM_TRIGGER_PRE_POST}, .ops = &rdma_ops, .dpcm_playback = 1, }, { .name = "WDMA0", .stream_name = "WDMA0", .platform_name = "14a52000.abox_wdma", .codec_name = "snd-soc-dummy", .codec_dai_name = "snd-soc-dummy-dai", .dynamic = 1, .ignore_suspend = 1, .trigger = {SND_SOC_DPCM_TRIGGER_POST_PRE, SND_SOC_DPCM_TRIGGER_PRE_POST}, .ops = &wdma_ops, .dpcm_capture = 1, }, { .name = "WDMA1", .stream_name = "WDMA1", .platform_name = "14a52100.abox_wdma", .codec_name = "snd-soc-dummy", .codec_dai_name = "snd-soc-dummy-dai", .dynamic = 1, .ignore_suspend = 1, .trigger = {SND_SOC_DPCM_TRIGGER_POST_PRE, SND_SOC_DPCM_TRIGGER_PRE_POST}, .ops = &wdma_ops, .dpcm_capture = 1, }, { .name = "WDMA2", .stream_name = "WDMA2", .platform_name = "14a52200.abox_wdma", .codec_name = "snd-soc-dummy", .codec_dai_name = "snd-soc-dummy-dai", .dynamic = 1, .ignore_suspend = 1, .trigger = {SND_SOC_DPCM_TRIGGER_POST_PRE, SND_SOC_DPCM_TRIGGER_PRE_POST}, .ops = &wdma_ops, .dpcm_capture = 1, }, { .name = "WDMA3", .stream_name = "WDMA3", .platform_name = "14a52300.abox_wdma", .codec_name = "snd-soc-dummy", .codec_dai_name = "snd-soc-dummy-dai", .dynamic = 1, .ignore_suspend = 1, .trigger = {SND_SOC_DPCM_TRIGGER_POST_PRE, SND_SOC_DPCM_TRIGGER_PRE_POST}, .ops = &wdma_ops, .dpcm_capture = 1, }, { .name = "WDMA4", .stream_name = "WDMA4", .platform_name = "14a52400.abox_wdma", .codec_name = "snd-soc-dummy", .codec_dai_name = "snd-soc-dummy-dai", .dynamic = 1, .ignore_suspend = 1, .trigger = {SND_SOC_DPCM_TRIGGER_POST_PRE, SND_SOC_DPCM_TRIGGER_PRE_POST}, .ops = &wdma_ops, .dpcm_capture = 1, }, #if IS_ENABLED(SND_SOC_SAMSUNG_DISPLAYPORT) { .name = "DP Audio", .stream_name = "DP Audio", .cpu_dai_name = "audio_cpu_dummy", .platform_name = "dp_dma", .codec_name = "snd-soc-dummy", .codec_dai_name = "snd-soc-dummy-dai", }, #endif { .name = "UAIF0", .stream_name = "UAIF0", .platform_name = "snd-soc-dummy", .id = 0x5665, .no_pcm = 1, .ignore_suspend = 1, .ignore_pmdown_time = 1, .be_hw_params_fixup = abox_hw_params_fixup_helper, .ops = &uaif0_ops, .dpcm_playback = 1, .dpcm_capture = 1, .init = exynos9610_rt5665_codec_init, }, { .name = "UAIF1", .stream_name = "UAIF1", .platform_name = "snd-soc-dummy", .codec_name = "snd-soc-dummy", .codec_dai_name = "snd-soc-dummy-dai", .no_pcm = 1, .ignore_suspend = 1, .ignore_pmdown_time = 1, .be_hw_params_fixup = abox_hw_params_fixup_helper, .ops = &uaif_ops, .dpcm_playback = 1, .dpcm_capture = 1, }, { .name = "UAIF2", .stream_name = "UAIF2", .platform_name = "snd-soc-dummy", .no_pcm = 1, .ignore_suspend = 1, .ignore_pmdown_time = 1, .be_hw_params_fixup = abox_hw_params_fixup_helper, .ops = &uaif_ops, .dpcm_playback = 1, .dpcm_capture = 1, }, { .name = "UAIF4", .stream_name = "UAIF4", .platform_name = "snd-soc-dummy", .codec_name = "snd-soc-dummy", .codec_dai_name = "snd-soc-dummy-dai", .no_pcm = 1, .ignore_suspend = 1, .ignore_pmdown_time = 1, .be_hw_params_fixup = abox_hw_params_fixup_helper, .ops = &uaif_ops, .dpcm_playback = 1, .dpcm_capture = 1, }, { .name = "DSIF", .stream_name = "DSIF", .cpu_dai_name = "DSIF", .platform_name = "snd-soc-dummy", .codec_name = "snd-soc-dummy", .codec_dai_name = "snd-soc-dummy-dai", .no_pcm = 1, .ignore_suspend = 1, .ignore_pmdown_time = 1, .be_hw_params_fixup = abox_hw_params_fixup_helper, .ops = &dsif_ops, .dpcm_playback = 1, }, { .name = "SPDY", .stream_name = "SPDY", .cpu_dai_name = "SPDY", .platform_name = "snd-soc-dummy", .codec_name = "snd-soc-dummy", .codec_dai_name = "snd-soc-dummy-dai", .no_pcm = 1, .ignore_suspend = 1, .ignore_pmdown_time = 1, .be_hw_params_fixup = abox_hw_params_fixup_helper, .dpcm_capture = 1, }, { .name = "SIFS0", .stream_name = "SIFS0", .cpu_dai_name = "SIFS0", .platform_name = "snd-soc-dummy", .codec_name = "snd-soc-dummy", .codec_dai_name = "snd-soc-dummy-dai", .no_pcm = 1, .ignore_suspend = 1, .ignore_pmdown_time = 1, .be_hw_params_fixup = abox_hw_params_fixup_helper, .dpcm_playback = 1, .dpcm_capture = 1, }, { .name = "SIFS1", .stream_name = "SIFS1", .cpu_dai_name = "SIFS1", .platform_name = "snd-soc-dummy", .codec_name = "snd-soc-dummy", .codec_dai_name = "snd-soc-dummy-dai", .no_pcm = 1, .ignore_suspend = 1, .ignore_pmdown_time = 1, .be_hw_params_fixup = abox_hw_params_fixup_helper, .dpcm_playback = 1, .dpcm_capture = 1, }, { .name = "SIFS2", .stream_name = "SIFS2", .cpu_dai_name = "SIFS2", .platform_name = "snd-soc-dummy", .codec_name = "snd-soc-dummy", .codec_dai_name = "snd-soc-dummy-dai", .no_pcm = 1, .ignore_suspend = 1, .ignore_pmdown_time = 1, .be_hw_params_fixup = abox_hw_params_fixup_helper, .dpcm_playback = 1, .dpcm_capture = 1, }, }; static int read_platform(struct device_node *np, const char * const prop, struct device_node **dai) { int ret = 0; np = of_get_child_by_name(np, prop); if (!np) return -ENOENT; *dai = of_parse_phandle(np, "sound-dai", 0); if (!*dai) { ret = -ENODEV; goto out; } out: of_node_put(np); return ret; } static int read_cpu(struct device_node *np, struct device *dev, struct snd_soc_dai_link *dai_link) { int ret = 0; np = of_get_child_by_name(np, "cpu"); if (!np) return -ENOENT; dai_link->cpu_of_node = of_parse_phandle(np, "sound-dai", 0); if (!dai_link->cpu_of_node) { ret = -ENODEV; goto out; } if (dai_link->cpu_dai_name == NULL) { /* Ignoring the return as we don't register DAIs to the platform */ ret = snd_soc_of_get_dai_name(np, &dai_link->cpu_dai_name); if (ret) goto out; } out: of_node_put(np); return ret; } static int read_codec(struct device_node *np, struct device *dev, struct snd_soc_dai_link *dai_link) { np = of_get_child_by_name(np, "codec"); if (!np) return -ENOENT; return snd_soc_of_get_dai_link_codecs(dev, np, dai_link); } static void control_xclkout(bool on) { if (on) clk_prepare_enable(xclkout); else clk_disable_unprepare(xclkout); } static struct snd_soc_card exynos9610_audio = { .name = "Exynos9610-Audio", .owner = THIS_MODULE, .dai_link = exynos9610_dai, .num_links = ARRAY_SIZE(exynos9610_dai), .late_probe = exynos9610_late_probe, .controls = exynos9610_audio_controls, .num_controls = ARRAY_SIZE(exynos9610_audio_controls), .dapm_widgets = exynos9610_audio_dapm_widgets, .num_dapm_widgets = ARRAY_SIZE(exynos9610_audio_dapm_widgets), .drvdata = (void *)&exynos9610_drvdata, .codec_conf = codec_conf, .num_configs = ARRAY_SIZE(codec_conf), .aux_dev = aux_dev, .num_aux_devs = ARRAY_SIZE(aux_dev), }; static int exynos9610_audio_probe(struct platform_device *pdev) { struct snd_soc_card *card = &exynos9610_audio; struct rt5665_drvdata *drvdata = card->drvdata; struct device_node *np = pdev->dev.of_node; struct device_node *dai; int nlink = 0; int i, rc, ret; dev_info(&pdev->dev, "%s\n", __func__); card->dev = &pdev->dev; drvdata->dev = card->dev; snd_soc_card_set_drvdata(card, drvdata); xclkout = devm_clk_get(&pdev->dev, "xclkout"); if (IS_ERR(xclkout)) { dev_err(&pdev->dev, "xclkout get failed\n"); xclkout = NULL; } control_xclkout(true); dev_info(&pdev->dev, "xclkout is enabled\n"); for_each_child_of_node(np, dai) { struct snd_soc_dai_link *link = &exynos9610_dai[nlink]; if (!link->name) link->name = dai->name; if (!link->stream_name) link->stream_name = dai->name; if (!link->cpu_name) { ret = read_cpu(dai, card->dev, link); if (ret) { dev_err(card->dev, "Failed to parse cpu DAI for %s: %d\n", dai->name, ret); return ret; } } if (!link->platform_name) { ret = read_platform(dai, "platform", &link->platform_of_node); if (ret) { link->platform_of_node = link->cpu_of_node; dev_info(card->dev, "Cpu node is used as platform for %s: %d\n", dai->name, ret); } } if (!link->codec_name) { ret = read_codec(dai, card->dev, link); if (ret) { dev_err(card->dev, "Failed to parse codec DAI for %s: %d\n", dai->name, ret); return ret; } } link->dai_fmt = snd_soc_of_parse_daifmt(dai, NULL, NULL, NULL); if (++nlink == card->num_links) break; } if (!nlink) { dev_err(card->dev, "No DAIs specified\n"); return -EINVAL; } if (of_property_read_bool(np, "samsung,routing")) { ret = snd_soc_of_parse_audio_routing(card, "samsung,routing"); if (ret) return ret; } for (i = 0; i < ARRAY_SIZE(codec_conf); i++) { codec_conf[i].of_node = of_parse_phandle(np, "samsung,codec", i); if (IS_ERR_OR_NULL(codec_conf[i].of_node)) { exynos9610_audio.num_configs = i; break; } rc = of_property_read_string_index(np, "samsung,prefix", i, &codec_conf[i].name_prefix); if (rc < 0) codec_conf[i].name_prefix = ""; } for (i = 0; i < ARRAY_SIZE(aux_dev); i++) { aux_dev[i].codec_of_node = of_parse_phandle(np, "samsung,aux", i); if (IS_ERR_OR_NULL(aux_dev[i].codec_of_node)) { exynos9610_audio.num_aux_devs = i; break; } } ret = devm_snd_soc_register_card(card->dev, card); if (ret) dev_err(card->dev, "snd_soc_register_card() failed:%d\n", ret); return ret; } static const struct of_device_id exynos9610_audio_of_match[] = { {.compatible = "samsung,exynos9610-audio",}, {}, }; MODULE_DEVICE_TABLE(of, exynos9610_audio_of_match); static struct platform_driver exynos9610_audio_driver = { .driver = { .name = "Exynos9610-audio", .owner = THIS_MODULE, .pm = &snd_soc_pm_ops, .of_match_table = of_match_ptr(exynos9610_audio_of_match), }, .probe = exynos9610_audio_probe, }; module_platform_driver(exynos9610_audio_driver); MODULE_DESCRIPTION("ALSA SoC Exynos9610 Audio Driver"); MODULE_AUTHOR("Shinhyung Kang "); MODULE_LICENSE("GPL v2"); MODULE_ALIAS("platform:exynos9610-audio");