// SPDX-License-Identifier: GPL-2.0-only // // Copyright(c) 2021-2022 Intel Corporation. All rights reserved. // // Author: Cezary Rojewski // #include #include #include #include #include #include #include #include #include #include "../../../codecs/da7219.h" #include "../../../codecs/da7219-aad.h" #define DA7219_DAI_NAME "da7219-hifi" static const struct snd_kcontrol_new card_controls[] = { SOC_DAPM_PIN_SWITCH("Headphone Jack"), SOC_DAPM_PIN_SWITCH("Headset Mic"), }; static int platform_clock_control(struct snd_soc_dapm_widget *w, struct snd_kcontrol *k, int event) { struct snd_soc_dapm_context *dapm = w->dapm; struct snd_soc_card *card = dapm->card; struct snd_soc_dai *codec_dai; int ret = 0; codec_dai = snd_soc_card_get_codec_dai(card, DA7219_DAI_NAME); if (!codec_dai) { dev_err(card->dev, "Codec dai not found. Unable to set/unset codec pll\n"); return -EIO; } if (SND_SOC_DAPM_EVENT_OFF(event)) { ret = snd_soc_dai_set_pll(codec_dai, 0, DA7219_SYSCLK_MCLK, 0, 0); if (ret) dev_err(card->dev, "failed to stop PLL: %d\n", ret); } else if (SND_SOC_DAPM_EVENT_ON(event)) { ret = snd_soc_dai_set_pll(codec_dai, 0, DA7219_SYSCLK_PLL_SRM, 0, DA7219_PLL_FREQ_OUT_98304); if (ret) dev_err(card->dev, "failed to start PLL: %d\n", ret); } return ret; } static const struct snd_soc_dapm_widget card_widgets[] = { SND_SOC_DAPM_HP("Headphone Jack", NULL), SND_SOC_DAPM_MIC("Headset Mic", NULL), SND_SOC_DAPM_SUPPLY("Platform Clock", SND_SOC_NOPM, 0, 0, platform_clock_control, SND_SOC_DAPM_POST_PMD | SND_SOC_DAPM_PRE_PMU), }; static const struct snd_soc_dapm_route card_base_routes[] = { /* HP jack connectors - unknown if we have jack detection */ {"Headphone Jack", NULL, "HPL"}, {"Headphone Jack", NULL, "HPR"}, {"MIC", NULL, "Headset Mic"}, { "Headphone Jack", NULL, "Platform Clock" }, { "Headset Mic", NULL, "Platform Clock" }, }; static int avs_da7219_codec_init(struct snd_soc_pcm_runtime *runtime) { struct snd_soc_component *component = asoc_rtd_to_codec(runtime, 0)->component; struct snd_soc_card *card = runtime->card; struct snd_soc_jack *jack; struct snd_soc_dai *codec_dai = asoc_rtd_to_codec(runtime, 0); int clk_freq; int ret; jack = snd_soc_card_get_drvdata(card); clk_freq = 19200000; ret = snd_soc_dai_set_sysclk(codec_dai, DA7219_CLKSRC_MCLK, clk_freq, SND_SOC_CLOCK_IN); if (ret) { dev_err(card->dev, "can't set codec sysclk configuration\n"); return ret; } /* * Headset buttons map to the google Reference headset. * These can be configured by userspace. */ ret = snd_soc_card_jack_new(card, "Headset Jack", SND_JACK_HEADSET | SND_JACK_BTN_0 | SND_JACK_BTN_1 | SND_JACK_BTN_2 | SND_JACK_BTN_3 | SND_JACK_LINEOUT, jack); if (ret) { dev_err(card->dev, "Headset Jack creation failed: %d\n", ret); return ret; } snd_jack_set_key(jack->jack, SND_JACK_BTN_0, KEY_PLAYPAUSE); snd_jack_set_key(jack->jack, SND_JACK_BTN_1, KEY_VOLUMEUP); snd_jack_set_key(jack->jack, SND_JACK_BTN_2, KEY_VOLUMEDOWN); snd_jack_set_key(jack->jack, SND_JACK_BTN_3, KEY_VOICECOMMAND); da7219_aad_jack_det(component, jack); return 0; } static int avs_da7219_be_fixup(struct snd_soc_pcm_runtime *runrime, struct snd_pcm_hw_params *params) { struct snd_interval *rate, *channels; struct snd_mask *fmt; rate = hw_param_interval(params, SNDRV_PCM_HW_PARAM_RATE); channels = hw_param_interval(params, SNDRV_PCM_HW_PARAM_CHANNELS); fmt = hw_param_mask(params, SNDRV_PCM_HW_PARAM_FORMAT); /* The ADSP will convert the FE rate to 48k, stereo */ rate->min = rate->max = 48000; channels->min = channels->max = 2; /* set SSP0 to 24 bit */ snd_mask_none(fmt); snd_mask_set_format(fmt, SNDRV_PCM_FORMAT_S24_LE); return 0; } static int avs_create_dai_link(struct device *dev, const char *platform_name, int ssp_port, struct snd_soc_dai_link **dai_link) { struct snd_soc_dai_link_component *platform; struct snd_soc_dai_link *dl; dl = devm_kzalloc(dev, sizeof(*dl), GFP_KERNEL); platform = devm_kzalloc(dev, sizeof(*platform), GFP_KERNEL); if (!dl || !platform) return -ENOMEM; platform->name = platform_name; dl->name = devm_kasprintf(dev, GFP_KERNEL, "SSP%d-Codec", ssp_port); dl->cpus = devm_kzalloc(dev, sizeof(*dl->cpus), GFP_KERNEL); dl->codecs = devm_kzalloc(dev, sizeof(*dl->codecs), GFP_KERNEL); if (!dl->name || !dl->cpus || !dl->codecs) return -ENOMEM; dl->cpus->dai_name = devm_kasprintf(dev, GFP_KERNEL, "SSP%d Pin", ssp_port); dl->codecs->name = devm_kasprintf(dev, GFP_KERNEL, "i2c-DLGS7219:00"); dl->codecs->dai_name = devm_kasprintf(dev, GFP_KERNEL, DA7219_DAI_NAME); if (!dl->cpus->dai_name || !dl->codecs->name || !dl->codecs->dai_name) return -ENOMEM; dl->num_cpus = 1; dl->num_codecs = 1; dl->platforms = platform; dl->num_platforms = 1; dl->id = 0; dl->dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_CBS_CFS; dl->be_hw_params_fixup = avs_da7219_be_fixup; dl->init = avs_da7219_codec_init; dl->nonatomic = 1; dl->no_pcm = 1; dl->dpcm_capture = 1; dl->dpcm_playback = 1; *dai_link = dl; return 0; } static int avs_create_dapm_routes(struct device *dev, int ssp_port, struct snd_soc_dapm_route **routes, int *num_routes) { struct snd_soc_dapm_route *dr; const int num_base = ARRAY_SIZE(card_base_routes); const int num_dr = num_base + 2; int idx; dr = devm_kcalloc(dev, num_dr, sizeof(*dr), GFP_KERNEL); if (!dr) return -ENOMEM; memcpy(dr, card_base_routes, num_base * sizeof(*dr)); idx = num_base; dr[idx].sink = devm_kasprintf(dev, GFP_KERNEL, "Playback"); dr[idx].source = devm_kasprintf(dev, GFP_KERNEL, "ssp%d Tx", ssp_port); if (!dr[idx].sink || !dr[idx].source) return -ENOMEM; idx++; dr[idx].sink = devm_kasprintf(dev, GFP_KERNEL, "ssp%d Rx", ssp_port); dr[idx].source = devm_kasprintf(dev, GFP_KERNEL, "Capture"); if (!dr[idx].sink || !dr[idx].source) return -ENOMEM; *routes = dr; *num_routes = num_dr; return 0; } static int avs_card_set_jack(struct snd_soc_card *card, struct snd_soc_jack *jack) { struct snd_soc_component *component; for_each_card_components(card, component) snd_soc_component_set_jack(component, jack, NULL); return 0; } static int avs_card_remove(struct snd_soc_card *card) { return avs_card_set_jack(card, NULL); } static int avs_card_suspend_pre(struct snd_soc_card *card) { return avs_card_set_jack(card, NULL); } static int avs_card_resume_post(struct snd_soc_card *card) { struct snd_soc_jack *jack = snd_soc_card_get_drvdata(card); return avs_card_set_jack(card, jack); } static int avs_da7219_probe(struct platform_device *pdev) { struct snd_soc_dapm_route *routes; struct snd_soc_dai_link *dai_link; struct snd_soc_acpi_mach *mach; struct snd_soc_card *card; struct snd_soc_jack *jack; struct device *dev = &pdev->dev; const char *pname; int num_routes, ssp_port, ret; mach = dev_get_platdata(dev); pname = mach->mach_params.platform; ssp_port = __ffs(mach->mach_params.i2s_link_mask); ret = avs_create_dai_link(dev, pname, ssp_port, &dai_link); if (ret) { dev_err(dev, "Failed to create dai link: %d", ret); return ret; } ret = avs_create_dapm_routes(dev, ssp_port, &routes, &num_routes); if (ret) { dev_err(dev, "Failed to create dapm routes: %d", ret); return ret; } jack = devm_kzalloc(dev, sizeof(*jack), GFP_KERNEL); card = devm_kzalloc(dev, sizeof(*card), GFP_KERNEL); if (!jack || !card) return -ENOMEM; card->name = "avs_da7219"; card->dev = dev; card->owner = THIS_MODULE; card->remove = avs_card_remove; card->suspend_pre = avs_card_suspend_pre; card->resume_post = avs_card_resume_post; card->dai_link = dai_link; card->num_links = 1; card->controls = card_controls; card->num_controls = ARRAY_SIZE(card_controls); card->dapm_widgets = card_widgets; card->num_dapm_widgets = ARRAY_SIZE(card_widgets); card->dapm_routes = routes; card->num_dapm_routes = num_routes; card->fully_routed = true; snd_soc_card_set_drvdata(card, jack); ret = snd_soc_fixup_dai_links_platform_name(card, pname); if (ret) return ret; return devm_snd_soc_register_card(dev, card); } static struct platform_driver avs_da7219_driver = { .probe = avs_da7219_probe, .driver = { .name = "avs_da7219", .pm = &snd_soc_pm_ops, }, }; module_platform_driver(avs_da7219_driver); MODULE_AUTHOR("Cezary Rojewski "); MODULE_LICENSE("GPL"); MODULE_ALIAS("platform:avs_da7219");