sound/soc/intel/avs/boards/rt298.c

   1 // SPDX-License-Identifier: GPL-2.0-only
   2 //
   3 // Copyright(c) 2021-2022 Intel Corporation. All rights reserved.
   4 //
   5 // Authors: Cezary Rojewski <cezary.rojewski@intel.com>
   6 //          Amadeusz Slawinski <amadeuszx.slawinski@linux.intel.com>
   7 //
   8
   9 #include <linux/dmi.h>
  10 #include <linux/module.h>
  11 #include <sound/jack.h>
  12 #include <sound/pcm.h>
  13 #include <sound/pcm_params.h>
  14 #include <sound/soc.h>
  15 #include <sound/soc-acpi.h>
  16 #include "../../../codecs/rt298.h"
  17 #include "../utils.h"
  18
  19 #define RT298_CODEC_DAI         "rt298-aif1"
  20
  21 static const struct dmi_system_id kblr_dmi_table[] = {
  22         {
  23                 .matches = {
  24                         DMI_MATCH(DMI_SYS_VENDOR, "Intel Corporation"),
  25                         DMI_MATCH(DMI_BOARD_NAME, "Kabylake R DDR4 RVP"),
  26                 },
  27         },
  28         {}
  29 };
  30
  31 static const struct snd_kcontrol_new card_controls[] = {
  32         SOC_DAPM_PIN_SWITCH("Headphone Jack"),
  33         SOC_DAPM_PIN_SWITCH("Mic Jack"),
  34         SOC_DAPM_PIN_SWITCH("Speaker"),
  35 };
  36
  37 static const struct snd_soc_dapm_widget card_widgets[] = {
  38         SND_SOC_DAPM_HP("Headphone Jack", NULL),
  39         SND_SOC_DAPM_MIC("Mic Jack", NULL),
  40         SND_SOC_DAPM_SPK("Speaker", NULL),
  41 };
  42
  43 static const struct snd_soc_dapm_route card_base_routes[] = {
  44         /* HP jack connectors - unknown if we have jack detect */
  45         {"Headphone Jack", NULL, "HPO Pin"},
  46         {"MIC1", NULL, "Mic Jack"},
  47
  48         {"Speaker", NULL, "SPOR"},
  49         {"Speaker", NULL, "SPOL"},
  50 };
  51
  52 static struct snd_soc_jack_pin card_headset_pins[] = {
  53         {
  54                 .pin = "Headphone Jack",
  55                 .mask = SND_JACK_HEADPHONE,
  56         },
  57         {
  58                 .pin = "Mic Jack",
  59                 .mask = SND_JACK_MICROPHONE,
  60         },
  61 };
  62
  63 static int avs_rt298_codec_init(struct snd_soc_pcm_runtime *runtime)
  64 {
  65         struct snd_soc_card *card = runtime->card;
  66         struct snd_soc_jack_pin *pins;
  67         struct snd_soc_jack *jack;
  68         int num_pins, ret;
  69
  70         jack = snd_soc_card_get_drvdata(card);
  71         num_pins = ARRAY_SIZE(card_headset_pins);
  72
  73         pins = devm_kmemdup(card->dev, card_headset_pins, sizeof(*pins) * num_pins, GFP_KERNEL);
  74         if (!pins)
  75                 return -ENOMEM;
  76
  77         ret = snd_soc_card_jack_new_pins(card, "Headset", SND_JACK_HEADSET | SND_JACK_BTN_0, jack,
  78                                          pins, num_pins);
  79         if (ret)
  80                 return ret;
  81
  82         return snd_soc_component_set_jack(snd_soc_rtd_to_codec(runtime, 0)->component, jack, NULL);
  83 }
  84
  85 static void avs_rt298_codec_exit(struct snd_soc_pcm_runtime *rtd)
  86 {
  87         snd_soc_component_set_jack(snd_soc_rtd_to_codec(rtd, 0)->component, NULL, NULL);
  88 }
  89
  90 static int avs_rt298_be_fixup(struct snd_soc_pcm_runtime *runtime, struct snd_pcm_hw_params *params)
  91 {
  92         struct snd_interval *rate, *channels;
  93         struct snd_mask *fmt;
  94
  95         rate = hw_param_interval(params, SNDRV_PCM_HW_PARAM_RATE);
  96         channels = hw_param_interval(params, SNDRV_PCM_HW_PARAM_CHANNELS);
  97         fmt = hw_param_mask(params, SNDRV_PCM_HW_PARAM_FORMAT);
  98
  99         /* The ADSP will convert the FE rate to 48k, stereo */
 100         rate->min = rate->max = 48000;
 101         channels->min = channels->max = 2;
 102
 103         /* set SSP0 to 24 bit */
 104         snd_mask_none(fmt);
 105         snd_mask_set_format(fmt, SNDRV_PCM_FORMAT_S24_LE);
 106
 107         return 0;
 108 }
 109
 110 static int
 111 avs_rt298_hw_params(struct snd_pcm_substream *substream, struct snd_pcm_hw_params *params)
 112 {
 113         struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream);
 114         struct snd_soc_dai *codec_dai = snd_soc_rtd_to_codec(rtd, 0);
 115         unsigned int clk_freq;
 116         int ret;
 117
 118         if (dmi_first_match(kblr_dmi_table))
 119                 clk_freq = 24000000;
 120         else
 121                 clk_freq = 19200000;
 122
 123         ret = snd_soc_dai_set_sysclk(codec_dai, RT298_SCLK_S_PLL, clk_freq, SND_SOC_CLOCK_IN);
 124         if (ret < 0)
 125                 dev_err(rtd->dev, "Set codec sysclk failed: %d\n", ret);
 126
 127         return ret;
 128 }
 129
 130 static const struct snd_soc_ops avs_rt298_ops = {
 131         .hw_params = avs_rt298_hw_params,
 132 };
 133
 134 static int avs_create_dai_link(struct device *dev, const char *platform_name, int ssp_port,
 135                                int tdm_slot, struct snd_soc_dai_link **dai_link)
 136 {
 137         struct snd_soc_dai_link_component *platform;
 138         struct snd_soc_dai_link *dl;
 139
 140         dl = devm_kzalloc(dev, sizeof(*dl), GFP_KERNEL);
 141         platform = devm_kzalloc(dev, sizeof(*platform), GFP_KERNEL);
 142         if (!dl || !platform)
 143                 return -ENOMEM;
 144
 145         platform->name = platform_name;
 146
 147         dl->name = devm_kasprintf(dev, GFP_KERNEL,
 148                                   AVS_STRING_FMT("SSP", "-Codec", ssp_port, tdm_slot));
 149         dl->cpus = devm_kzalloc(dev, sizeof(*dl->cpus), GFP_KERNEL);
 150         dl->codecs = devm_kzalloc(dev, sizeof(*dl->codecs), GFP_KERNEL);
 151         if (!dl->name || !dl->cpus || !dl->codecs)
 152                 return -ENOMEM;
 153
 154         dl->cpus->dai_name = devm_kasprintf(dev, GFP_KERNEL,
 155                                             AVS_STRING_FMT("SSP", " Pin", ssp_port, tdm_slot));
 156         dl->codecs->name = devm_kasprintf(dev, GFP_KERNEL, "i2c-INT343A:00");
 157         dl->codecs->dai_name = devm_kasprintf(dev, GFP_KERNEL, RT298_CODEC_DAI);
 158         if (!dl->cpus->dai_name || !dl->codecs->name || !dl->codecs->dai_name)
 159                 return -ENOMEM;
 160
 161         dl->num_cpus = 1;
 162         dl->num_codecs = 1;
 163         dl->platforms = platform;
 164         dl->num_platforms = 1;
 165         dl->id = 0;
 166         if (dmi_first_match(kblr_dmi_table))
 167                 dl->dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_CBS_CFS;
 168         else
 169                 dl->dai_fmt = SND_SOC_DAIFMT_DSP_A | SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_CBS_CFS;
 170         dl->init = avs_rt298_codec_init;
 171         dl->exit = avs_rt298_codec_exit;
 172         dl->be_hw_params_fixup = avs_rt298_be_fixup;
 173         dl->ops = &avs_rt298_ops;
 174         dl->nonatomic = 1;
 175         dl->no_pcm = 1;
 176         dl->dpcm_capture = 1;
 177         dl->dpcm_playback = 1;
 178
 179         *dai_link = dl;
 180
 181         return 0;
 182 }
 183
 184 static int avs_card_suspend_pre(struct snd_soc_card *card)
 185 {
 186         struct snd_soc_dai *codec_dai = snd_soc_card_get_codec_dai(card, RT298_CODEC_DAI);
 187
 188         return snd_soc_component_set_jack(codec_dai->component, NULL, NULL);
 189 }
 190
 191 static int avs_card_resume_post(struct snd_soc_card *card)
 192 {
 193         struct snd_soc_dai *codec_dai = snd_soc_card_get_codec_dai(card, RT298_CODEC_DAI);
 194         struct snd_soc_jack *jack = snd_soc_card_get_drvdata(card);
 195
 196         return snd_soc_component_set_jack(codec_dai->component, jack, NULL);
 197 }
 198
 199 static int avs_rt298_probe(struct platform_device *pdev)
 200 {
 201         struct snd_soc_dai_link *dai_link;
 202         struct snd_soc_acpi_mach *mach;
 203         struct snd_soc_card *card;
 204         struct snd_soc_jack *jack;
 205         struct device *dev = &pdev->dev;
 206         const char *pname;
 207         int ssp_port, tdm_slot, ret;
 208
 209         mach = dev_get_platdata(dev);
 210         pname = mach->mach_params.platform;
 211
 212         ret = avs_mach_get_ssp_tdm(dev, mach, &ssp_port, &tdm_slot);
 213         if (ret)
 214                 return ret;
 215
 216         ret = avs_create_dai_link(dev, pname, ssp_port, tdm_slot, &dai_link);
 217         if (ret) {
 218                 dev_err(dev, "Failed to create dai link: %d", ret);
 219                 return ret;
 220         }
 221
 222         jack = devm_kzalloc(dev, sizeof(*jack), GFP_KERNEL);
 223         card = devm_kzalloc(dev, sizeof(*card), GFP_KERNEL);
 224         if (!jack || !card)
 225                 return -ENOMEM;
 226
 227         card->name = "avs_rt298";
 228         card->dev = dev;
 229         card->owner = THIS_MODULE;
 230         card->suspend_pre = avs_card_suspend_pre;
 231         card->resume_post = avs_card_resume_post;
 232         card->dai_link = dai_link;
 233         card->num_links = 1;
 234         card->controls = card_controls;
 235         card->num_controls = ARRAY_SIZE(card_controls);
 236         card->dapm_widgets = card_widgets;
 237         card->num_dapm_widgets = ARRAY_SIZE(card_widgets);
 238         card->dapm_routes = card_base_routes;
 239         card->num_dapm_routes = ARRAY_SIZE(card_base_routes);
 240         card->fully_routed = true;
 241         snd_soc_card_set_drvdata(card, jack);
 242
 243         ret = snd_soc_fixup_dai_links_platform_name(card, pname);
 244         if (ret)
 245                 return ret;
 246
 247         return devm_snd_soc_register_card(dev, card);
 248 }
 249
 250 static const struct platform_device_id avs_rt298_driver_ids[] = {
 251         {
 252                 .name = "avs_rt298",
 253         },
 254         {},
 255 };
 256 MODULE_DEVICE_TABLE(platform, avs_rt298_driver_ids);
 257
 258 static struct platform_driver avs_rt298_driver = {
 259         .probe = avs_rt298_probe,
 260         .driver = {
 261                 .name = "avs_rt298",
 262                 .pm = &snd_soc_pm_ops,
 263         },
 264         .id_table = avs_rt298_driver_ids,
 265 };
 266
 267 module_platform_driver(avs_rt298_driver);
 268
 269 MODULE_DESCRIPTION("Intel rt298 machine driver");
 270 MODULE_LICENSE("GPL");