LXR linux/sound/soc/intel/boards/skl_hda_dsp

   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
  23struct 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
  30struct 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
  39extern struct snd_soc_dai_link skl_hda_be_dai_links[HDA_DSP_MAX_BE_DAI_LINKS];
  40int skl_hda_hdmi_jack_init(struct snd_soc_card *card);
  41int 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 */
  47static 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 */
  67