1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
|
// SPDX-License-Identifier: GPL-2.0
// Copyright(c) 2015-18 Intel Corporation.
/*
* Machine Driver for SKL+ platforms with DSP and iDisp, HDA Codecs
*/
#include <linux/module.h>
#include <linux/platform_device.h>
#include <sound/core.h>
#include <sound/jack.h>
#include <sound/pcm.h>
#include <sound/pcm_params.h>
#include <sound/soc.h>
#include <sound/soc-acpi.h>
#include "../../codecs/hdac_hdmi.h"
#include "skl_hda_dsp_common.h"
static const struct snd_soc_dapm_widget skl_hda_widgets[] = {
SND_SOC_DAPM_HP("Analog Out", NULL),
SND_SOC_DAPM_MIC("Analog In", NULL),
SND_SOC_DAPM_HP("Alt Analog Out", NULL),
SND_SOC_DAPM_MIC("Alt Analog In", NULL),
SND_SOC_DAPM_SPK("Digital Out", NULL),
SND_SOC_DAPM_MIC("Digital In", NULL),
};
static const struct snd_soc_dapm_route skl_hda_map[] = {
{ "hifi3", NULL, "iDisp3 Tx"},
{ "iDisp3 Tx", NULL, "iDisp3_out"},
{ "hifi2", NULL, "iDisp2 Tx"},
{ "iDisp2 Tx", NULL, "iDisp2_out"},
{ "hifi1", NULL, "iDisp1 Tx"},
{ "iDisp1 Tx", NULL, "iDisp1_out"},
{ "Analog Out", NULL, "Codec Output Pin1" },
{ "Digital Out", NULL, "Codec Output Pin2" },
{ "Alt Analog Out", NULL, "Codec Output Pin3" },
{ "Codec Input Pin1", NULL, "Analog In" },
{ "Codec Input Pin2", NULL, "Digital In" },
{ "Codec Input Pin3", NULL, "Alt Analog In" },
/* CODEC BE connections */
{ "Analog Codec Playback", NULL, "Analog CPU Playback" },
{ "Analog CPU Playback", NULL, "codec0_out" },
{ "Digital Codec Playback", NULL, "Digital CPU Playback" },
{ "Digital CPU Playback", NULL, "codec1_out" },
{ "Alt Analog Codec Playback", NULL, "Alt Analog CPU Playback" },
{ "Alt Analog CPU Playback", NULL, "codec2_out" },
{ "codec0_in", NULL, "Analog CPU Capture" },
{ "Analog CPU Capture", NULL, "Analog Codec Capture" },
{ "codec1_in", NULL, "Digital CPU Capture" },
{ "Digital CPU Capture", NULL, "Digital Codec Capture" },
{ "codec2_in", NULL, "Alt Analog CPU Capture" },
{ "Alt Analog CPU Capture", NULL, "Alt Analog Codec Capture" },
};
static int skl_hda_card_late_probe(struct snd_soc_card *card)
{
return skl_hda_hdmi_jack_init(card);
}
static int
skl_hda_add_dai_link(struct snd_soc_card *card, struct snd_soc_dai_link *link)
{
struct skl_hda_private *ctx = snd_soc_card_get_drvdata(card);
int ret = 0;
dev_dbg(card->dev, "%s: dai link name - %s\n", __func__, link->name);
link->platform_name = ctx->platform_name;
link->nonatomic = 1;
if (strstr(link->name, "HDMI")) {
ret = skl_hda_hdmi_add_pcm(card, ctx->pcm_count);
if (ret < 0)
return ret;
ctx->dai_index++;
}
ctx->pcm_count++;
return ret;
}
static struct snd_soc_card hda_soc_card = {
.name = "skl_hda_card",
.owner = THIS_MODULE,
.dai_link = skl_hda_be_dai_links,
.dapm_widgets = skl_hda_widgets,
.dapm_routes = skl_hda_map,
.add_dai_link = skl_hda_add_dai_link,
.fully_routed = true,
.late_probe = skl_hda_card_late_probe,
};
#define IDISP_DAI_COUNT 3
#define HDAC_DAI_COUNT 2
#define DMIC_DAI_COUNT 2
/* there are two routes per iDisp output */
#define IDISP_ROUTE_COUNT (IDISP_DAI_COUNT * 2)
#define IDISP_CODEC_MASK 0x4
static int skl_hda_fill_card_info(struct snd_soc_acpi_mach_params *mach_params)
{
struct snd_soc_card *card = &hda_soc_card;
struct snd_soc_dai_link *dai_link;
u32 codec_count, codec_mask;
int i, num_links, num_route;
codec_mask = mach_params->codec_mask;
codec_count = hweight_long(codec_mask);
if (codec_count == 1 && codec_mask & IDISP_CODEC_MASK) {
num_links = IDISP_DAI_COUNT + DMIC_DAI_COUNT;
num_route = IDISP_ROUTE_COUNT;
/*
* rearrange the dai link array and make the
* dmic dai links follow idsp dai links for only
* num_links of dai links need to be registered
* to ASoC.
*/
for (i = 0; i < DMIC_DAI_COUNT; i++) {
skl_hda_be_dai_links[IDISP_DAI_COUNT + i] =
skl_hda_be_dai_links[IDISP_DAI_COUNT +
HDAC_DAI_COUNT + i];
}
} else if (codec_count == 2 && codec_mask & IDISP_CODEC_MASK) {
num_links = ARRAY_SIZE(skl_hda_be_dai_links);
num_route = ARRAY_SIZE(skl_hda_map),
card->dapm_widgets = skl_hda_widgets;
card->num_dapm_widgets = ARRAY_SIZE(skl_hda_widgets);
} else {
return -EINVAL;
}
card->num_links = num_links;
card->num_dapm_routes = num_route;
for_each_card_prelinks(card, i, dai_link)
dai_link->platform_name = mach_params->platform;
return 0;
}
static int skl_hda_audio_probe(struct platform_device *pdev)
{
struct snd_soc_acpi_mach *mach;
struct skl_hda_private *ctx;
int ret;
dev_dbg(&pdev->dev, "%s: entry\n", __func__);
ctx = devm_kzalloc(&pdev->dev, sizeof(*ctx), GFP_KERNEL);
if (!ctx)
return -ENOMEM;
INIT_LIST_HEAD(&ctx->hdmi_pcm_list);
mach = (&pdev->dev)->platform_data;
if (!mach)
return -EINVAL;
ret = skl_hda_fill_card_info(&mach->mach_params);
if (ret < 0) {
dev_err(&pdev->dev, "Unsupported HDAudio/iDisp configuration found\n");
return ret;
}
ctx->pcm_count = hda_soc_card.num_links;
ctx->dai_index = 1; /* hdmi codec dai name starts from index 1 */
ctx->platform_name = mach->mach_params.platform;
hda_soc_card.dev = &pdev->dev;
snd_soc_card_set_drvdata(&hda_soc_card, ctx);
return devm_snd_soc_register_card(&pdev->dev, &hda_soc_card);
}
static struct platform_driver skl_hda_audio = {
.probe = skl_hda_audio_probe,
.driver = {
.name = "skl_hda_dsp_generic",
.pm = &snd_soc_pm_ops,
},
};
module_platform_driver(skl_hda_audio)
/* Module information */
MODULE_DESCRIPTION("SKL/KBL/BXT/APL HDA Generic Machine driver");
MODULE_AUTHOR("Rakesh Ughreja <rakesh.a.ughreja@intel.com>");
MODULE_LICENSE("GPL v2");
MODULE_ALIAS("platform:skl_hda_dsp_generic");
|
