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 */ 67