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7
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
19static 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};
27
28static const struct snd_soc_dapm_route skl_hda_map[] = {
29 { "hifi3", NULL, "iDisp3 Tx"},
30 { "iDisp3 Tx", NULL, "iDisp3_out"},
31 { "hifi2", NULL, "iDisp2 Tx"},
32 { "iDisp2 Tx", NULL, "iDisp2_out"},
33 { "hifi1", NULL, "iDisp1 Tx"},
34 { "iDisp1 Tx", NULL, "iDisp1_out"},
35
36 { "Analog Out", NULL, "Codec Output Pin1" },
37 { "Digital Out", NULL, "Codec Output Pin2" },
38 { "Alt Analog Out", NULL, "Codec Output Pin3" },
39
40 { "Codec Input Pin1", NULL, "Analog In" },
41 { "Codec Input Pin2", NULL, "Digital In" },
42 { "Codec Input Pin3", NULL, "Alt Analog In" },
43
44
45 { "Analog Codec Playback", NULL, "Analog CPU Playback" },
46 { "Analog CPU Playback", NULL, "codec0_out" },
47 { "Digital Codec Playback", NULL, "Digital CPU Playback" },
48 { "Digital CPU Playback", NULL, "codec1_out" },
49 { "Alt Analog Codec Playback", NULL, "Alt Analog CPU Playback" },
50 { "Alt Analog CPU Playback", NULL, "codec2_out" },
51
52 { "codec0_in", NULL, "Analog CPU Capture" },
53 { "Analog CPU Capture", NULL, "Analog Codec Capture" },
54 { "codec1_in", NULL, "Digital CPU Capture" },
55 { "Digital CPU Capture", NULL, "Digital Codec Capture" },
56 { "codec2_in", NULL, "Alt Analog CPU Capture" },
57 { "Alt Analog CPU Capture", NULL, "Alt Analog Codec Capture" },
58};
59
60static int skl_hda_card_late_probe(struct snd_soc_card *card)
61{
62 return skl_hda_hdmi_jack_init(card);
63}
64
65static int
66skl_hda_add_dai_link(struct snd_soc_card *card, struct snd_soc_dai_link *link)
67{
68 struct skl_hda_private *ctx = snd_soc_card_get_drvdata(card);
69 int ret = 0;
70
71 dev_dbg(card->dev, "%s: dai link name - %s\n", __func__, link->name);
72 link->platforms->name = ctx->platform_name;
73 link->nonatomic = 1;
74
75 if (strstr(link->name, "HDMI")) {
76 ret = skl_hda_hdmi_add_pcm(card, ctx->pcm_count);
77
78 if (ret < 0)
79 return ret;
80
81 ctx->dai_index++;
82 }
83
84 ctx->pcm_count++;
85 return ret;
86}
87
88static struct snd_soc_card hda_soc_card = {
89 .name = "skl_hda_card",
90 .owner = THIS_MODULE,
91 .dai_link = skl_hda_be_dai_links,
92 .dapm_widgets = skl_hda_widgets,
93 .dapm_routes = skl_hda_map,
94 .add_dai_link = skl_hda_add_dai_link,
95 .fully_routed = true,
96 .late_probe = skl_hda_card_late_probe,
97};
98
99#define IDISP_DAI_COUNT 3
100#define HDAC_DAI_COUNT 2
101#define DMIC_DAI_COUNT 2
102
103
104#define IDISP_ROUTE_COUNT (IDISP_DAI_COUNT * 2)
105#define IDISP_CODEC_MASK 0x4
106
107static int skl_hda_fill_card_info(struct snd_soc_acpi_mach_params *mach_params)
108{
109 struct snd_soc_card *card = &hda_soc_card;
110 struct snd_soc_dai_link *dai_link;
111 u32 codec_count, codec_mask;
112 int i, num_links, num_route;
113
114 codec_mask = mach_params->codec_mask;
115 codec_count = hweight_long(codec_mask);
116
117 if (codec_count == 1 && codec_mask & IDISP_CODEC_MASK) {
118 num_links = IDISP_DAI_COUNT + DMIC_DAI_COUNT;
119 num_route = IDISP_ROUTE_COUNT;
120
121
122
123
124
125
126
127 for (i = 0; i < DMIC_DAI_COUNT; i++) {
128 skl_hda_be_dai_links[IDISP_DAI_COUNT + i] =
129 skl_hda_be_dai_links[IDISP_DAI_COUNT +
130 HDAC_DAI_COUNT + i];
131 }
132 } else if (codec_count == 2 && codec_mask & IDISP_CODEC_MASK) {
133 num_links = ARRAY_SIZE(skl_hda_be_dai_links);
134 num_route = ARRAY_SIZE(skl_hda_map);
135 card->dapm_widgets = skl_hda_widgets;
136 card->num_dapm_widgets = ARRAY_SIZE(skl_hda_widgets);
137 } else {
138 return -EINVAL;
139 }
140
141 card->num_links = num_links;
142 card->num_dapm_routes = num_route;
143
144 for_each_card_prelinks(card, i, dai_link)
145 dai_link->platforms->name = mach_params->platform;
146
147 return 0;
148}
149
150static int skl_hda_audio_probe(struct platform_device *pdev)
151{
152 struct snd_soc_acpi_mach *mach;
153 struct skl_hda_private *ctx;
154 int ret;
155
156 dev_dbg(&pdev->dev, "%s: entry\n", __func__);
157
158 ctx = devm_kzalloc(&pdev->dev, sizeof(*ctx), GFP_KERNEL);
159 if (!ctx)
160 return -ENOMEM;
161
162 INIT_LIST_HEAD(&ctx->hdmi_pcm_list);
163
164 mach = (&pdev->dev)->platform_data;
165 if (!mach)
166 return -EINVAL;
167
168 ret = skl_hda_fill_card_info(&mach->mach_params);
169 if (ret < 0) {
170 dev_err(&pdev->dev, "Unsupported HDAudio/iDisp configuration found\n");
171 return ret;
172 }
173
174 ctx->pcm_count = hda_soc_card.num_links;
175 ctx->dai_index = 1;
176 ctx->platform_name = mach->mach_params.platform;
177
178 hda_soc_card.dev = &pdev->dev;
179 snd_soc_card_set_drvdata(&hda_soc_card, ctx);
180
181 return devm_snd_soc_register_card(&pdev->dev, &hda_soc_card);
182}
183
184static struct platform_driver skl_hda_audio = {
185 .probe = skl_hda_audio_probe,
186 .driver = {
187 .name = "skl_hda_dsp_generic",
188 .pm = &snd_soc_pm_ops,
189 },
190};
191
192module_platform_driver(skl_hda_audio)
193
194
195MODULE_DESCRIPTION("SKL/KBL/BXT/APL HDA Generic Machine driver");
196MODULE_AUTHOR("Rakesh Ughreja <rakesh.a.ughreja@intel.com>");
197MODULE_LICENSE("GPL v2");
198MODULE_ALIAS("platform:skl_hda_dsp_generic");
199
