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10#include <linux/module.h>
11#include <linux/platform_device.h>
12#include <sound/core.h>
13#include <sound/pcm.h>
14#include <sound/pcm_params.h>
15#include <sound/soc.h>
16#include <sound/soc-acpi.h>
17#include <sound/soc_sdw_utils.h>
18
19static const struct snd_soc_dapm_widget bridge_widgets[] = {
20 SND_SOC_DAPM_SPK("Bridge Speaker", NULL),
21};
22
23static const struct snd_soc_dapm_route bridge_map[] = {
24 {"Bridge Speaker", NULL, "AMPL SPK"},
25 {"Bridge Speaker", NULL, "AMPR SPK"},
26};
27
28static const char * const bridge_cs35l56_name_prefixes[] = {
29 "AMPL",
30 "AMPR",
31};
32
33static int asoc_sdw_bridge_cs35l56_asp_init(struct snd_soc_pcm_runtime *rtd)
34{
35 struct snd_soc_card *card = rtd->card;
36 int i, ret;
37 unsigned int rx_mask = 3;
38 unsigned int tx_mask = 3;
39 struct snd_soc_dai *codec_dai;
40 struct snd_soc_dai *cpu_dai;
41
42 card->components = devm_kasprintf(card->dev, GFP_KERNEL,
43 "%s spk:cs35l56-bridge",
44 card->components);
45 if (!card->components)
46 return -ENOMEM;
47
48 ret = snd_soc_dapm_new_controls(&card->dapm, bridge_widgets,
49 ARRAY_SIZE(bridge_widgets));
50 if (ret) {
51 dev_err(card->dev, "widgets addition failed: %d\n", ret);
52 return ret;
53 }
54
55 ret = snd_soc_dapm_add_routes(&card->dapm, bridge_map, ARRAY_SIZE(bridge_map));
56 if (ret) {
57 dev_err(card->dev, "map addition failed: %d\n", ret);
58 return ret;
59 }
60
61
62 for_each_rtd_codec_dais(rtd, i, codec_dai) {
63 ret = asoc_sdw_cs35l56_volume_limit(card, codec_dai->component->name_prefix);
64 if (ret)
65 return ret;
66
67 ret = snd_soc_dai_set_tdm_slot(codec_dai, tx_mask, rx_mask, 4, 16);
68 if (ret < 0)
69 return ret;
70
71 ret = snd_soc_dai_set_sysclk(codec_dai, 0, 3072000, SND_SOC_CLOCK_IN);
72 if (ret < 0)
73 return ret;
74 }
75
76 for_each_rtd_cpu_dais(rtd, i, cpu_dai) {
77 ret = snd_soc_dai_set_tdm_slot(cpu_dai, tx_mask, rx_mask, 4, 16);
78 if (ret < 0)
79 return ret;
80 }
81
82 return 0;
83}
84
85static const struct snd_soc_pcm_stream asoc_sdw_bridge_params = {
86 .formats = SNDRV_PCM_FMTBIT_S16_LE,
87 .rate_min = 48000,
88 .rate_max = 48000,
89 .channels_min = 2,
90 .channels_max = 2,
91};
92
93SND_SOC_DAILINK_DEFS(asoc_sdw_bridge_dai,
94 DAILINK_COMP_ARRAY(COMP_CODEC("cs42l43-codec", "cs42l43-asp")),
95 DAILINK_COMP_ARRAY(COMP_CODEC("spi-cs35l56-left", "cs35l56-asp1"),
96 COMP_CODEC("spi-cs35l56-right", "cs35l56-asp1")),
97 DAILINK_COMP_ARRAY(COMP_PLATFORM("cs42l43-codec")));
98
99static const struct snd_soc_dai_link bridge_dai_template = {
100 .name = "cs42l43-cs35l56",
101 .init = asoc_sdw_bridge_cs35l56_asp_init,
102 .c2c_params = &asoc_sdw_bridge_params,
103 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_IB_IF | SND_SOC_DAIFMT_CBC_CFC,
104 SND_SOC_DAILINK_REG(asoc_sdw_bridge_dai),
105};
106
107int asoc_sdw_bridge_cs35l56_count_sidecar(struct snd_soc_card *card,
108 int *num_dais, int *num_devs)
109{
110 struct asoc_sdw_mc_private *ctx = snd_soc_card_get_drvdata(card);
111
112 if (ctx->mc_quirk & SOC_SDW_SIDECAR_AMPS) {
113 (*num_dais)++;
114 (*num_devs) += ARRAY_SIZE(bridge_cs35l56_name_prefixes);
115 }
116
117 return 0;
118}
119EXPORT_SYMBOL_NS(asoc_sdw_bridge_cs35l56_count_sidecar, "SND_SOC_SDW_UTILS");
120
121int asoc_sdw_bridge_cs35l56_add_sidecar(struct snd_soc_card *card,
122 struct snd_soc_dai_link **dai_links,
123 struct snd_soc_codec_conf **codec_conf)
124{
125 struct asoc_sdw_mc_private *ctx = snd_soc_card_get_drvdata(card);
126
127 if (ctx->mc_quirk & SOC_SDW_SIDECAR_AMPS) {
128 **dai_links = bridge_dai_template;
129
130 for (int i = 0; i < ARRAY_SIZE(bridge_cs35l56_name_prefixes); i++) {
131 (*codec_conf)->dlc.name = (*dai_links)->codecs[i].name;
132 (*codec_conf)->name_prefix = bridge_cs35l56_name_prefixes[i];
133 (*codec_conf)++;
134 }
135
136 (*dai_links)++;
137 }
138
139 return 0;
140}
141EXPORT_SYMBOL_NS(asoc_sdw_bridge_cs35l56_add_sidecar, "SND_SOC_SDW_UTILS");
142
143int asoc_sdw_bridge_cs35l56_spk_init(struct snd_soc_card *card,
144 struct snd_soc_dai_link *dai_links,
145 struct asoc_sdw_codec_info *info,
146 bool playback)
147{
148 struct asoc_sdw_mc_private *ctx = snd_soc_card_get_drvdata(card);
149
150 if (ctx->mc_quirk & SOC_SDW_SIDECAR_AMPS)
151 info->amp_num += ARRAY_SIZE(bridge_cs35l56_name_prefixes);
152
153 return 0;
154}
155EXPORT_SYMBOL_NS(asoc_sdw_bridge_cs35l56_spk_init, "SND_SOC_SDW_UTILS");
156
