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 snd_soc_card card;
32 struct list_head hdmi_pcm_list;
33 int pcm_count;
34 int dai_index;
35 const char *platform_name;
36 bool common_hdmi_codec_drv;
37 bool idisp_codec;
38 };
39
40 extern struct snd_soc_dai_link skl_hda_be_dai_links[HDA_DSP_MAX_BE_DAI_LINKS];
41 int skl_hda_hdmi_jack_init(struct snd_soc_card *card);
42 int skl_hda_hdmi_add_pcm(struct snd_soc_card *card, int device);
43
44 /*
45 * Search card topology and register HDMI PCM related controls
46 * to codec driver.
47 */
48 static inline int skl_hda_hdmi_build_controls(struct snd_soc_card *card)
49 {
50 struct skl_hda_private *ctx = snd_soc_card_get_drvdata(card);
51 struct snd_soc_component *component;
52 struct skl_hda_hdmi_pcm *pcm;
53
54 /* HDMI disabled, do not create controls */
55 if (list_empty(&ctx->hdmi_pcm_list))
56 return 0;
57
58 pcm = list_first_entry(&ctx->hdmi_pcm_list, struct skl_hda_hdmi_pcm,
59 head);
60 component = pcm->codec_dai->component;
61 if (!component)
62 return -EINVAL;
63
64 return hda_dsp_hdmi_build_controls(card, component);
65 }
66
67 #endif /* __SOUND_SOC_HDA_DSP_COMMON_H */
68
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