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1 | // SPDX-License-Identifier: GPL-2.0-only | |
2 | /* | |
3 | * Intel Baytrail SST RT5640 machine driver | |
4 | * Copyright (c) 2014, Intel Corporation. | |
5 | */ | |
6 | ||
7 | #include <linux/init.h> | |
8 | #include <linux/module.h> | |
9 | #include <linux/platform_device.h> | |
10 | #include <linux/acpi.h> | |
11 | #include <linux/device.h> | |
12 | #include <linux/dmi.h> | |
13 | #include <linux/slab.h> | |
14 | #include <sound/pcm.h> | |
15 | #include <sound/pcm_params.h> | |
16 | #include <sound/soc.h> | |
17 | #include <sound/jack.h> | |
18 | #include "../../codecs/rt5640.h" | |
19 | ||
20 | #include "../common/sst-dsp.h" | |
21 | ||
22 | static const struct snd_soc_dapm_widget byt_rt5640_widgets[] = { | |
23 | SND_SOC_DAPM_HP("Headphone", NULL), | |
24 | SND_SOC_DAPM_MIC("Headset Mic", NULL), | |
25 | SND_SOC_DAPM_MIC("Internal Mic", NULL), | |
26 | SND_SOC_DAPM_SPK("Speaker", NULL), | |
27 | }; | |
28 | ||
29 | static const struct snd_soc_dapm_route byt_rt5640_audio_map[] = { | |
30 | {"Headset Mic", NULL, "MICBIAS1"}, | |
31 | {"IN2P", NULL, "Headset Mic"}, | |
32 | {"Headphone", NULL, "HPOL"}, | |
33 | {"Headphone", NULL, "HPOR"}, | |
34 | {"Speaker", NULL, "SPOLP"}, | |
35 | {"Speaker", NULL, "SPOLN"}, | |
36 | {"Speaker", NULL, "SPORP"}, | |
37 | {"Speaker", NULL, "SPORN"}, | |
38 | }; | |
39 | ||
40 | static const struct snd_soc_dapm_route byt_rt5640_intmic_dmic1_map[] = { | |
41 | {"DMIC1", NULL, "Internal Mic"}, | |
42 | }; | |
43 | ||
44 | static const struct snd_soc_dapm_route byt_rt5640_intmic_dmic2_map[] = { | |
45 | {"DMIC2", NULL, "Internal Mic"}, | |
46 | }; | |
47 | ||
48 | static const struct snd_soc_dapm_route byt_rt5640_intmic_in1_map[] = { | |
49 | {"Internal Mic", NULL, "MICBIAS1"}, | |
50 | {"IN1P", NULL, "Internal Mic"}, | |
51 | }; | |
52 | ||
53 | enum { | |
54 | BYT_RT5640_DMIC1_MAP, | |
55 | BYT_RT5640_DMIC2_MAP, | |
56 | BYT_RT5640_IN1_MAP, | |
57 | }; | |
58 | ||
59 | #define BYT_RT5640_MAP(quirk) ((quirk) & 0xff) | |
60 | #define BYT_RT5640_DMIC_EN BIT(16) | |
61 | ||
62 | static unsigned long byt_rt5640_quirk = BYT_RT5640_DMIC1_MAP | | |
63 | BYT_RT5640_DMIC_EN; | |
64 | ||
65 | static const struct snd_kcontrol_new byt_rt5640_controls[] = { | |
66 | SOC_DAPM_PIN_SWITCH("Headphone"), | |
67 | SOC_DAPM_PIN_SWITCH("Headset Mic"), | |
68 | SOC_DAPM_PIN_SWITCH("Internal Mic"), | |
69 | SOC_DAPM_PIN_SWITCH("Speaker"), | |
70 | }; | |
71 | ||
72 | static int byt_rt5640_hw_params(struct snd_pcm_substream *substream, | |
73 | struct snd_pcm_hw_params *params) | |
74 | { | |
75 | struct snd_soc_pcm_runtime *rtd = substream->private_data; | |
76 | struct snd_soc_dai *codec_dai = rtd->codec_dai; | |
77 | int ret; | |
78 | ||
79 | ret = snd_soc_dai_set_sysclk(codec_dai, RT5640_SCLK_S_PLL1, | |
80 | params_rate(params) * 256, | |
81 | SND_SOC_CLOCK_IN); | |
82 | if (ret < 0) { | |
83 | dev_err(codec_dai->dev, "can't set codec clock %d\n", ret); | |
84 | return ret; | |
85 | } | |
86 | ret = snd_soc_dai_set_pll(codec_dai, 0, RT5640_PLL1_S_BCLK1, | |
87 | params_rate(params) * 64, | |
88 | params_rate(params) * 256); | |
89 | if (ret < 0) { | |
90 | dev_err(codec_dai->dev, "can't set codec pll: %d\n", ret); | |
91 | return ret; | |
92 | } | |
93 | return 0; | |
94 | } | |
95 | ||
96 | static int byt_rt5640_quirk_cb(const struct dmi_system_id *id) | |
97 | { | |
98 | byt_rt5640_quirk = (unsigned long)id->driver_data; | |
99 | return 1; | |
100 | } | |
101 | ||
102 | static const struct dmi_system_id byt_rt5640_quirk_table[] = { | |
103 | { | |
104 | .callback = byt_rt5640_quirk_cb, | |
105 | .matches = { | |
106 | DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."), | |
107 | DMI_MATCH(DMI_PRODUCT_NAME, "T100TA"), | |
108 | }, | |
109 | .driver_data = (unsigned long *)BYT_RT5640_IN1_MAP, | |
110 | }, | |
111 | { | |
112 | .callback = byt_rt5640_quirk_cb, | |
113 | .matches = { | |
114 | DMI_MATCH(DMI_SYS_VENDOR, "DellInc."), | |
115 | DMI_MATCH(DMI_PRODUCT_NAME, "Venue 8 Pro 5830"), | |
116 | }, | |
117 | .driver_data = (unsigned long *)(BYT_RT5640_DMIC2_MAP | | |
118 | BYT_RT5640_DMIC_EN), | |
119 | }, | |
120 | {} | |
121 | }; | |
122 | ||
123 | static int byt_rt5640_init(struct snd_soc_pcm_runtime *runtime) | |
124 | { | |
125 | int ret; | |
126 | struct snd_soc_component *component = runtime->codec_dai->component; | |
127 | struct snd_soc_card *card = runtime->card; | |
128 | const struct snd_soc_dapm_route *custom_map; | |
129 | int num_routes; | |
130 | ||
131 | card->dapm.idle_bias_off = true; | |
132 | ||
133 | ret = snd_soc_add_card_controls(card, byt_rt5640_controls, | |
134 | ARRAY_SIZE(byt_rt5640_controls)); | |
135 | if (ret) { | |
136 | dev_err(card->dev, "unable to add card controls\n"); | |
137 | return ret; | |
138 | } | |
139 | ||
140 | dmi_check_system(byt_rt5640_quirk_table); | |
141 | switch (BYT_RT5640_MAP(byt_rt5640_quirk)) { | |
142 | case BYT_RT5640_IN1_MAP: | |
143 | custom_map = byt_rt5640_intmic_in1_map; | |
144 | num_routes = ARRAY_SIZE(byt_rt5640_intmic_in1_map); | |
145 | break; | |
146 | case BYT_RT5640_DMIC2_MAP: | |
147 | custom_map = byt_rt5640_intmic_dmic2_map; | |
148 | num_routes = ARRAY_SIZE(byt_rt5640_intmic_dmic2_map); | |
149 | break; | |
150 | default: | |
151 | custom_map = byt_rt5640_intmic_dmic1_map; | |
152 | num_routes = ARRAY_SIZE(byt_rt5640_intmic_dmic1_map); | |
153 | } | |
154 | ||
155 | ret = snd_soc_dapm_add_routes(&card->dapm, custom_map, num_routes); | |
156 | if (ret) | |
157 | return ret; | |
158 | ||
159 | if (byt_rt5640_quirk & BYT_RT5640_DMIC_EN) { | |
160 | ret = rt5640_dmic_enable(component, 0, 0); | |
161 | if (ret) | |
162 | return ret; | |
163 | } | |
164 | ||
165 | snd_soc_dapm_ignore_suspend(&card->dapm, "Headphone"); | |
166 | snd_soc_dapm_ignore_suspend(&card->dapm, "Speaker"); | |
167 | ||
168 | return ret; | |
169 | } | |
170 | ||
171 | static struct snd_soc_ops byt_rt5640_ops = { | |
172 | .hw_params = byt_rt5640_hw_params, | |
173 | }; | |
174 | ||
175 | static struct snd_soc_dai_link byt_rt5640_dais[] = { | |
176 | { | |
177 | .name = "Baytrail Audio", | |
178 | .stream_name = "Audio", | |
179 | .cpu_dai_name = "baytrail-pcm-audio", | |
180 | .codec_dai_name = "rt5640-aif1", | |
181 | .codec_name = "i2c-10EC5640:00", | |
182 | .platform_name = "baytrail-pcm-audio", | |
183 | .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | | |
184 | SND_SOC_DAIFMT_CBS_CFS, | |
185 | .init = byt_rt5640_init, | |
186 | .ops = &byt_rt5640_ops, | |
187 | }, | |
188 | }; | |
189 | ||
190 | static struct snd_soc_card byt_rt5640_card = { | |
191 | .name = "byt-rt5640", | |
192 | .owner = THIS_MODULE, | |
193 | .dai_link = byt_rt5640_dais, | |
194 | .num_links = ARRAY_SIZE(byt_rt5640_dais), | |
195 | .dapm_widgets = byt_rt5640_widgets, | |
196 | .num_dapm_widgets = ARRAY_SIZE(byt_rt5640_widgets), | |
197 | .dapm_routes = byt_rt5640_audio_map, | |
198 | .num_dapm_routes = ARRAY_SIZE(byt_rt5640_audio_map), | |
199 | .fully_routed = true, | |
200 | }; | |
201 | ||
202 | static int byt_rt5640_probe(struct platform_device *pdev) | |
203 | { | |
204 | struct snd_soc_card *card = &byt_rt5640_card; | |
205 | ||
206 | card->dev = &pdev->dev; | |
207 | return devm_snd_soc_register_card(&pdev->dev, card); | |
208 | } | |
209 | ||
210 | static struct platform_driver byt_rt5640_audio = { | |
211 | .probe = byt_rt5640_probe, | |
212 | .driver = { | |
213 | .name = "byt-rt5640", | |
214 | .pm = &snd_soc_pm_ops, | |
215 | }, | |
216 | }; | |
217 | module_platform_driver(byt_rt5640_audio) | |
218 | ||
219 | MODULE_DESCRIPTION("ASoC Intel(R) Baytrail Machine driver"); | |
220 | MODULE_AUTHOR("Omair Md Abdullah, Jarkko Nikula"); | |
221 | MODULE_LICENSE("GPL v2"); | |
222 | MODULE_ALIAS("platform:byt-rt5640"); |