imx-mc13783.c 4.5 KB

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  1. // SPDX-License-Identifier: GPL-2.0+
  2. //
  3. // imx-mc13783.c -- SoC audio for imx based boards with mc13783 codec
  4. //
  5. // Copyright 2012 Philippe Retornaz, <philippe.retornaz@epfl.ch>
  6. //
  7. // Heavly based on phycore-mc13783:
  8. // Copyright 2009 Sascha Hauer, Pengutronix <s.hauer@pengutronix.de>
  9. #include <linux/module.h>
  10. #include <linux/moduleparam.h>
  11. #include <linux/device.h>
  12. #include <sound/core.h>
  13. #include <sound/pcm.h>
  14. #include <sound/soc.h>
  15. #include <sound/soc-dapm.h>
  16. #include <asm/mach-types.h>
  17. #include "../codecs/mc13783.h"
  18. #include "imx-ssi.h"
  19. #include "imx-audmux.h"
  20. #define FMT_SSI (SND_SOC_DAIFMT_DSP_A | SND_SOC_DAIFMT_NB_NF | \
  21. SND_SOC_DAIFMT_CBM_CFM)
  22. static int imx_mc13783_hifi_hw_params(struct snd_pcm_substream *substream,
  23. struct snd_pcm_hw_params *params)
  24. {
  25. struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
  26. struct snd_soc_dai *cpu_dai = asoc_rtd_to_cpu(rtd, 0);
  27. struct snd_soc_dai *codec_dai = asoc_rtd_to_codec(rtd, 0);
  28. int ret;
  29. ret = snd_soc_dai_set_tdm_slot(codec_dai, 0x3, 0x3, 4, 16);
  30. if (ret)
  31. return ret;
  32. ret = snd_soc_dai_set_sysclk(codec_dai, MC13783_CLK_CLIA, 26000000, 0);
  33. if (ret)
  34. return ret;
  35. return snd_soc_dai_set_tdm_slot(cpu_dai, 0x3, 0x3, 2, 16);
  36. }
  37. static const struct snd_soc_ops imx_mc13783_hifi_ops = {
  38. .hw_params = imx_mc13783_hifi_hw_params,
  39. };
  40. SND_SOC_DAILINK_DEFS(hifi,
  41. DAILINK_COMP_ARRAY(COMP_CPU("imx-ssi.0")),
  42. DAILINK_COMP_ARRAY(COMP_CODEC("mc13783-codec", "mc13783-hifi")),
  43. DAILINK_COMP_ARRAY(COMP_PLATFORM("imx-ssi.0")));
  44. static struct snd_soc_dai_link imx_mc13783_dai_mc13783[] = {
  45. {
  46. .name = "MC13783",
  47. .stream_name = "Sound",
  48. .ops = &imx_mc13783_hifi_ops,
  49. .symmetric_rates = 1,
  50. .dai_fmt = FMT_SSI,
  51. SND_SOC_DAILINK_REG(hifi),
  52. },
  53. };
  54. static const struct snd_soc_dapm_widget imx_mc13783_widget[] = {
  55. SND_SOC_DAPM_MIC("Mic", NULL),
  56. SND_SOC_DAPM_HP("Headphone", NULL),
  57. SND_SOC_DAPM_SPK("Speaker", NULL),
  58. };
  59. static const struct snd_soc_dapm_route imx_mc13783_routes[] = {
  60. {"Speaker", NULL, "LSP"},
  61. {"Headphone", NULL, "HSL"},
  62. {"Headphone", NULL, "HSR"},
  63. {"MC1LIN", NULL, "MC1 Bias"},
  64. {"MC2IN", NULL, "MC2 Bias"},
  65. {"MC1 Bias", NULL, "Mic"},
  66. {"MC2 Bias", NULL, "Mic"},
  67. };
  68. static struct snd_soc_card imx_mc13783 = {
  69. .name = "imx_mc13783",
  70. .owner = THIS_MODULE,
  71. .dai_link = imx_mc13783_dai_mc13783,
  72. .num_links = ARRAY_SIZE(imx_mc13783_dai_mc13783),
  73. .dapm_widgets = imx_mc13783_widget,
  74. .num_dapm_widgets = ARRAY_SIZE(imx_mc13783_widget),
  75. .dapm_routes = imx_mc13783_routes,
  76. .num_dapm_routes = ARRAY_SIZE(imx_mc13783_routes),
  77. };
  78. static int imx_mc13783_probe(struct platform_device *pdev)
  79. {
  80. int ret;
  81. imx_mc13783.dev = &pdev->dev;
  82. ret = devm_snd_soc_register_card(&pdev->dev, &imx_mc13783);
  83. if (ret) {
  84. dev_err(&pdev->dev, "snd_soc_register_card failed (%d)\n",
  85. ret);
  86. return ret;
  87. }
  88. if (machine_is_mx31_3ds() || machine_is_mx31moboard()) {
  89. imx_audmux_v2_configure_port(MX31_AUDMUX_PORT4_SSI_PINS_4,
  90. IMX_AUDMUX_V2_PTCR_SYN,
  91. IMX_AUDMUX_V2_PDCR_RXDSEL(MX31_AUDMUX_PORT1_SSI0) |
  92. IMX_AUDMUX_V2_PDCR_MODE(1) |
  93. IMX_AUDMUX_V2_PDCR_INMMASK(0xfc));
  94. imx_audmux_v2_configure_port(MX31_AUDMUX_PORT1_SSI0,
  95. IMX_AUDMUX_V2_PTCR_SYN |
  96. IMX_AUDMUX_V2_PTCR_TFSDIR |
  97. IMX_AUDMUX_V2_PTCR_TFSEL(MX31_AUDMUX_PORT4_SSI_PINS_4) |
  98. IMX_AUDMUX_V2_PTCR_TCLKDIR |
  99. IMX_AUDMUX_V2_PTCR_TCSEL(MX31_AUDMUX_PORT4_SSI_PINS_4) |
  100. IMX_AUDMUX_V2_PTCR_RFSDIR |
  101. IMX_AUDMUX_V2_PTCR_RFSEL(MX31_AUDMUX_PORT4_SSI_PINS_4) |
  102. IMX_AUDMUX_V2_PTCR_RCLKDIR |
  103. IMX_AUDMUX_V2_PTCR_RCSEL(MX31_AUDMUX_PORT4_SSI_PINS_4),
  104. IMX_AUDMUX_V2_PDCR_RXDSEL(MX31_AUDMUX_PORT4_SSI_PINS_4));
  105. } else if (machine_is_mx27_3ds()) {
  106. imx_audmux_v1_configure_port(MX27_AUDMUX_HPCR1_SSI0,
  107. IMX_AUDMUX_V1_PCR_SYN |
  108. IMX_AUDMUX_V1_PCR_TFSDIR |
  109. IMX_AUDMUX_V1_PCR_TCLKDIR |
  110. IMX_AUDMUX_V1_PCR_RFSDIR |
  111. IMX_AUDMUX_V1_PCR_RCLKDIR |
  112. IMX_AUDMUX_V1_PCR_TFCSEL(MX27_AUDMUX_HPCR3_SSI_PINS_4) |
  113. IMX_AUDMUX_V1_PCR_RFCSEL(MX27_AUDMUX_HPCR3_SSI_PINS_4) |
  114. IMX_AUDMUX_V1_PCR_RXDSEL(MX27_AUDMUX_HPCR3_SSI_PINS_4)
  115. );
  116. imx_audmux_v1_configure_port(MX27_AUDMUX_HPCR3_SSI_PINS_4,
  117. IMX_AUDMUX_V1_PCR_SYN |
  118. IMX_AUDMUX_V1_PCR_RXDSEL(MX27_AUDMUX_HPCR1_SSI0)
  119. );
  120. }
  121. return ret;
  122. }
  123. static struct platform_driver imx_mc13783_audio_driver = {
  124. .driver = {
  125. .name = "imx_mc13783",
  126. },
  127. .probe = imx_mc13783_probe,
  128. };
  129. module_platform_driver(imx_mc13783_audio_driver);
  130. MODULE_AUTHOR("Sascha Hauer <s.hauer@pengutronix.de>");
  131. MODULE_AUTHOR("Philippe Retornaz <philippe.retornaz@epfl.ch");
  132. MODULE_DESCRIPTION("imx with mc13783 codec ALSA SoC driver");
  133. MODULE_LICENSE("GPL");
  134. MODULE_ALIAS("platform:imx_mc13783");