This source file includes following definitions.
- skl_hda_card_late_probe
- skl_hda_add_dai_link
- skl_hda_fill_card_info
- skl_hda_audio_probe
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8 #include <linux/module.h>
9 #include <linux/platform_device.h>
10 #include <sound/core.h>
11 #include <sound/jack.h>
12 #include <sound/pcm.h>
13 #include <sound/pcm_params.h>
14 #include <sound/soc.h>
15 #include <sound/soc-acpi.h>
16 #include "../../codecs/hdac_hdmi.h"
17 #include "skl_hda_dsp_common.h"
18
19 static const struct snd_soc_dapm_widget skl_hda_widgets[] = {
20 SND_SOC_DAPM_HP("Analog Out", NULL),
21 SND_SOC_DAPM_MIC("Analog In", NULL),
22 SND_SOC_DAPM_HP("Alt Analog Out", NULL),
23 SND_SOC_DAPM_MIC("Alt Analog In", NULL),
24 SND_SOC_DAPM_SPK("Digital Out", NULL),
25 SND_SOC_DAPM_MIC("Digital In", NULL),
26 SND_SOC_DAPM_MIC("SoC DMIC", NULL),
27 };
28
29 static const struct snd_soc_dapm_route skl_hda_map[] = {
30 { "hifi3", NULL, "iDisp3 Tx"},
31 { "iDisp3 Tx", NULL, "iDisp3_out"},
32 { "hifi2", NULL, "iDisp2 Tx"},
33 { "iDisp2 Tx", NULL, "iDisp2_out"},
34 { "hifi1", NULL, "iDisp1 Tx"},
35 { "iDisp1 Tx", NULL, "iDisp1_out"},
36
37 { "Analog Out", NULL, "Codec Output Pin1" },
38 { "Digital Out", NULL, "Codec Output Pin2" },
39 { "Alt Analog Out", NULL, "Codec Output Pin3" },
40
41 { "Codec Input Pin1", NULL, "Analog In" },
42 { "Codec Input Pin2", NULL, "Digital In" },
43 { "Codec Input Pin3", NULL, "Alt Analog In" },
44
45
46 {"DMic", NULL, "SoC DMIC"},
47
48
49 { "Analog Codec Playback", NULL, "Analog CPU Playback" },
50 { "Analog CPU Playback", NULL, "codec0_out" },
51 { "Digital Codec Playback", NULL, "Digital CPU Playback" },
52 { "Digital CPU Playback", NULL, "codec1_out" },
53 { "Alt Analog Codec Playback", NULL, "Alt Analog CPU Playback" },
54 { "Alt Analog CPU Playback", NULL, "codec2_out" },
55
56 { "codec0_in", NULL, "Analog CPU Capture" },
57 { "Analog CPU Capture", NULL, "Analog Codec Capture" },
58 { "codec1_in", NULL, "Digital CPU Capture" },
59 { "Digital CPU Capture", NULL, "Digital Codec Capture" },
60 { "codec2_in", NULL, "Alt Analog CPU Capture" },
61 { "Alt Analog CPU Capture", NULL, "Alt Analog Codec Capture" },
62 };
63
64 static int skl_hda_card_late_probe(struct snd_soc_card *card)
65 {
66 return skl_hda_hdmi_jack_init(card);
67 }
68
69 static int
70 skl_hda_add_dai_link(struct snd_soc_card *card, struct snd_soc_dai_link *link)
71 {
72 struct skl_hda_private *ctx = snd_soc_card_get_drvdata(card);
73 int ret = 0;
74
75 dev_dbg(card->dev, "%s: dai link name - %s\n", __func__, link->name);
76 link->platforms->name = ctx->platform_name;
77 link->nonatomic = 1;
78
79 if (strstr(link->name, "HDMI")) {
80 ret = skl_hda_hdmi_add_pcm(card, ctx->pcm_count);
81
82 if (ret < 0)
83 return ret;
84
85 ctx->dai_index++;
86 }
87
88 ctx->pcm_count++;
89 return ret;
90 }
91
92 static struct snd_soc_card hda_soc_card = {
93 .name = "hda-dsp",
94 .owner = THIS_MODULE,
95 .dai_link = skl_hda_be_dai_links,
96 .dapm_widgets = skl_hda_widgets,
97 .dapm_routes = skl_hda_map,
98 .add_dai_link = skl_hda_add_dai_link,
99 .fully_routed = true,
100 .late_probe = skl_hda_card_late_probe,
101 };
102
103 #define IDISP_DAI_COUNT 3
104 #define HDAC_DAI_COUNT 2
105 #define DMIC_DAI_COUNT 2
106
107
108 #define IDISP_ROUTE_COUNT (IDISP_DAI_COUNT * 2)
109 #define IDISP_CODEC_MASK 0x4
110
111 static int skl_hda_fill_card_info(struct snd_soc_acpi_mach_params *mach_params)
112 {
113 struct snd_soc_card *card = &hda_soc_card;
114 struct snd_soc_dai_link *dai_link;
115 u32 codec_count, codec_mask;
116 int i, num_links, num_route;
117
118 codec_mask = mach_params->codec_mask;
119 codec_count = hweight_long(codec_mask);
120
121 if (codec_count == 1 && codec_mask & IDISP_CODEC_MASK) {
122 num_links = IDISP_DAI_COUNT + DMIC_DAI_COUNT;
123 num_route = IDISP_ROUTE_COUNT;
124
125
126
127
128
129
130
131 for (i = 0; i < DMIC_DAI_COUNT; i++) {
132 skl_hda_be_dai_links[IDISP_DAI_COUNT + i] =
133 skl_hda_be_dai_links[IDISP_DAI_COUNT +
134 HDAC_DAI_COUNT + i];
135 }
136 } else if (codec_count == 2 && codec_mask & IDISP_CODEC_MASK) {
137 num_links = ARRAY_SIZE(skl_hda_be_dai_links);
138 num_route = ARRAY_SIZE(skl_hda_map);
139 card->dapm_widgets = skl_hda_widgets;
140 card->num_dapm_widgets = ARRAY_SIZE(skl_hda_widgets);
141 } else {
142 return -EINVAL;
143 }
144
145 card->num_links = num_links;
146 card->num_dapm_routes = num_route;
147
148 for_each_card_prelinks(card, i, dai_link)
149 dai_link->platforms->name = mach_params->platform;
150
151 return 0;
152 }
153
154 static int skl_hda_audio_probe(struct platform_device *pdev)
155 {
156 struct snd_soc_acpi_mach *mach;
157 struct skl_hda_private *ctx;
158 int ret;
159
160 dev_dbg(&pdev->dev, "%s: entry\n", __func__);
161
162 ctx = devm_kzalloc(&pdev->dev, sizeof(*ctx), GFP_KERNEL);
163 if (!ctx)
164 return -ENOMEM;
165
166 INIT_LIST_HEAD(&ctx->hdmi_pcm_list);
167
168 mach = (&pdev->dev)->platform_data;
169 if (!mach)
170 return -EINVAL;
171
172 ret = skl_hda_fill_card_info(&mach->mach_params);
173 if (ret < 0) {
174 dev_err(&pdev->dev, "Unsupported HDAudio/iDisp configuration found\n");
175 return ret;
176 }
177
178 ctx->pcm_count = hda_soc_card.num_links;
179 ctx->dai_index = 1;
180 ctx->platform_name = mach->mach_params.platform;
181
182 hda_soc_card.dev = &pdev->dev;
183 snd_soc_card_set_drvdata(&hda_soc_card, ctx);
184
185 return devm_snd_soc_register_card(&pdev->dev, &hda_soc_card);
186 }
187
188 static struct platform_driver skl_hda_audio = {
189 .probe = skl_hda_audio_probe,
190 .driver = {
191 .name = "skl_hda_dsp_generic",
192 .pm = &snd_soc_pm_ops,
193 },
194 };
195
196 module_platform_driver(skl_hda_audio)
197
198
199 MODULE_DESCRIPTION("SKL/KBL/BXT/APL HDA Generic Machine driver");
200 MODULE_AUTHOR("Rakesh Ughreja <rakesh.a.ughreja@intel.com>");
201 MODULE_LICENSE("GPL v2");
202 MODULE_ALIAS("platform:skl_hda_dsp_generic");