1 /* SPDX-License-Identifier: GPL-2.0 */
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 };
37 
38 extern struct snd_soc_dai_link skl_hda_be_dai_links[HDA_DSP_MAX_BE_DAI_LINKS];
39 int skl_hda_hdmi_jack_init(struct snd_soc_card *card);
40 int skl_hda_hdmi_add_pcm(struct snd_soc_card *card, int device);
41 
42 /*
43  * Search card topology and register HDMI PCM related controls
44  * to codec driver.
45  */
46 static inline int skl_hda_hdmi_build_controls(struct snd_soc_card *card)
47 {
48 	struct skl_hda_private *ctx = snd_soc_card_get_drvdata(card);
49 	struct snd_soc_component *component;
50 	struct skl_hda_hdmi_pcm *pcm;
51 
52 	/* HDMI disabled, do not create controls */
53 	if (list_empty(&ctx->hdmi_pcm_list))
54 		return 0;
55 
56 	pcm = list_first_entry(&ctx->hdmi_pcm_list, struct skl_hda_hdmi_pcm,
57 			       head);
58 	component = pcm->codec_dai->component;
59 	if (!component)
60 		return -EINVAL;
61 
62 	return hda_dsp_hdmi_build_controls(card, component);
63 }
64 
65 #endif /* __SOUND_SOC_HDA_DSP_COMMON_H */
66