brownstone.c 3.6 KB

123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133
  1. // SPDX-License-Identifier: GPL-2.0-or-later
  2. /*
  3. * linux/sound/soc/pxa/brownstone.c
  4. *
  5. * Copyright (C) 2011 Marvell International Ltd.
  6. */
  7. #include <linux/module.h>
  8. #include <sound/core.h>
  9. #include <sound/pcm.h>
  10. #include <sound/soc.h>
  11. #include <sound/jack.h>
  12. #include "../codecs/wm8994.h"
  13. #include "mmp-sspa.h"
  14. static const struct snd_kcontrol_new brownstone_dapm_control[] = {
  15. SOC_DAPM_PIN_SWITCH("Ext Spk"),
  16. };
  17. static const struct snd_soc_dapm_widget brownstone_dapm_widgets[] = {
  18. SND_SOC_DAPM_SPK("Ext Spk", NULL),
  19. SND_SOC_DAPM_HP("Headset Stereophone", NULL),
  20. SND_SOC_DAPM_MIC("Headset Mic", NULL),
  21. SND_SOC_DAPM_MIC("Main Mic", NULL),
  22. };
  23. static const struct snd_soc_dapm_route brownstone_audio_map[] = {
  24. {"Ext Spk", NULL, "SPKOUTLP"},
  25. {"Ext Spk", NULL, "SPKOUTLN"},
  26. {"Ext Spk", NULL, "SPKOUTRP"},
  27. {"Ext Spk", NULL, "SPKOUTRN"},
  28. {"Headset Stereophone", NULL, "HPOUT1L"},
  29. {"Headset Stereophone", NULL, "HPOUT1R"},
  30. {"IN1RN", NULL, "Headset Mic"},
  31. {"DMIC1DAT", NULL, "MICBIAS1"},
  32. {"MICBIAS1", NULL, "Main Mic"},
  33. };
  34. static int brownstone_wm8994_hw_params(struct snd_pcm_substream *substream,
  35. struct snd_pcm_hw_params *params)
  36. {
  37. struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
  38. struct snd_soc_dai *codec_dai = asoc_rtd_to_codec(rtd, 0);
  39. struct snd_soc_dai *cpu_dai = asoc_rtd_to_cpu(rtd, 0);
  40. int freq_out, sspa_mclk, sysclk;
  41. if (params_rate(params) > 11025) {
  42. freq_out = params_rate(params) * 512;
  43. sysclk = params_rate(params) * 256;
  44. sspa_mclk = params_rate(params) * 64;
  45. } else {
  46. freq_out = params_rate(params) * 1024;
  47. sysclk = params_rate(params) * 512;
  48. sspa_mclk = params_rate(params) * 64;
  49. }
  50. snd_soc_dai_set_sysclk(cpu_dai, MMP_SSPA_CLK_AUDIO, freq_out, 0);
  51. snd_soc_dai_set_pll(cpu_dai, MMP_SYSCLK, 0, freq_out, sysclk);
  52. snd_soc_dai_set_pll(cpu_dai, MMP_SSPA_CLK, 0, freq_out, sspa_mclk);
  53. /* set wm8994 sysclk */
  54. snd_soc_dai_set_sysclk(codec_dai, WM8994_SYSCLK_MCLK1, sysclk, 0);
  55. return 0;
  56. }
  57. /* machine stream operations */
  58. static const struct snd_soc_ops brownstone_ops = {
  59. .hw_params = brownstone_wm8994_hw_params,
  60. };
  61. SND_SOC_DAILINK_DEFS(wm8994,
  62. DAILINK_COMP_ARRAY(COMP_CPU("mmp-sspa-dai.0")),
  63. DAILINK_COMP_ARRAY(COMP_CODEC("wm8994-codec", "wm8994-aif1")),
  64. DAILINK_COMP_ARRAY(COMP_PLATFORM("mmp-pcm-audio")));
  65. static struct snd_soc_dai_link brownstone_wm8994_dai[] = {
  66. {
  67. .name = "WM8994",
  68. .stream_name = "WM8994 HiFi",
  69. .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
  70. SND_SOC_DAIFMT_CBS_CFS,
  71. .ops = &brownstone_ops,
  72. SND_SOC_DAILINK_REG(wm8994),
  73. },
  74. };
  75. /* audio machine driver */
  76. static struct snd_soc_card brownstone = {
  77. .name = "brownstone",
  78. .owner = THIS_MODULE,
  79. .dai_link = brownstone_wm8994_dai,
  80. .num_links = ARRAY_SIZE(brownstone_wm8994_dai),
  81. .controls = brownstone_dapm_control,
  82. .num_controls = ARRAY_SIZE(brownstone_dapm_control),
  83. .dapm_widgets = brownstone_dapm_widgets,
  84. .num_dapm_widgets = ARRAY_SIZE(brownstone_dapm_widgets),
  85. .dapm_routes = brownstone_audio_map,
  86. .num_dapm_routes = ARRAY_SIZE(brownstone_audio_map),
  87. .fully_routed = true,
  88. };
  89. static int brownstone_probe(struct platform_device *pdev)
  90. {
  91. int ret;
  92. brownstone.dev = &pdev->dev;
  93. ret = devm_snd_soc_register_card(&pdev->dev, &brownstone);
  94. if (ret)
  95. dev_err(&pdev->dev, "snd_soc_register_card() failed: %d\n",
  96. ret);
  97. return ret;
  98. }
  99. static struct platform_driver mmp_driver = {
  100. .driver = {
  101. .name = "brownstone-audio",
  102. .pm = &snd_soc_pm_ops,
  103. },
  104. .probe = brownstone_probe,
  105. };
  106. module_platform_driver(mmp_driver);
  107. MODULE_AUTHOR("Leo Yan <[email protected]>");
  108. MODULE_DESCRIPTION("ALSA SoC Brownstone");
  109. MODULE_LICENSE("GPL");
  110. MODULE_ALIAS("platform:brownstone-audio");