sound/soc/intel/boards/skl_hda_dsp_common.h

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2 /*
   3  * Copyright(c) 2015-18 Intel Corporation.
   4  */
   5
   6 /*
   7  * This file defines data structures used in Machine Driver for Intel
   8  * platforms with HDA Codecs.
   9  */
  10
  11 #ifndef __SKL_HDA_DSP_COMMON_H
  12 #define __SKL_HDA_DSP_COMMON_H
  13 #include <linux/module.h>
  14 #include <linux/platform_device.h>
  15 #include <sound/core.h>
  16 #include <sound/jack.h>
  17 #include <sound/hda_codec.h>
  18 #include "../../codecs/hdac_hda.h"
  19 #include "hda_dsp_common.h"
  20
  21 #define HDA_DSP_MAX_BE_DAI_LINKS 7
  22
  23 struct skl_hda_hdmi_pcm {
  24         struct list_head head;
  25         struct snd_soc_dai *codec_dai;
  26         struct snd_soc_jack hdmi_jack;
  27         int device;
  28 };
  29
  30 struct skl_hda_private {
  31         struct list_head hdmi_pcm_list;
  32         int pcm_count;
  33         int dai_index;
  34         const char *platform_name;
  35         bool common_hdmi_codec_drv;
  36         bool idisp_codec;
  37 };
  38
  39 extern struct snd_soc_dai_link skl_hda_be_dai_links[HDA_DSP_MAX_BE_DAI_LINKS];
  40 int skl_hda_hdmi_jack_init(struct snd_soc_card *card);
  41 int skl_hda_hdmi_add_pcm(struct snd_soc_card *card, int device);
  42
  43 /*
  44  * Search card topology and register HDMI PCM related controls
  45  * to codec driver.
  46  */
  47 static inline int skl_hda_hdmi_build_controls(struct snd_soc_card *card)
  48 {
  49         struct skl_hda_private *ctx = snd_soc_card_get_drvdata(card);
  50         struct snd_soc_component *component;
  51         struct skl_hda_hdmi_pcm *pcm;
  52
  53         /* HDMI disabled, do not create controls */
  54         if (list_empty(&ctx->hdmi_pcm_list))
  55                 return 0;
  56
  57         pcm = list_first_entry(&ctx->hdmi_pcm_list, struct skl_hda_hdmi_pcm,
  58                                head);
  59         component = pcm->codec_dai->component;
  60         if (!component)
  61                 return -EINVAL;
  62
  63         return hda_dsp_hdmi_build_controls(card, component);
  64 }
  65
  66 #endif /* __SOUND_SOC_HDA_DSP_COMMON_H */