cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
Log | Files | Refs | README | LICENSE | sfeed.txt

skl_hda_dsp_common.h (1660B)

      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 */