1 // SPDX-License-Identifier: GPL-2.0-only
2 /*
3 * Sound card driver for Intel Broadwell Wildcat Point with Realtek 286
4 *
5 * Copyright (C) 2013, Intel Corporation. All rights reserved.
6 */
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/rt286.h"
17
18 static struct snd_soc_jack card_headset;
19
20 static struct snd_soc_jack_pin card_headset_pins[] = {
21 {
22 .pin = "Mic Jack",
23 .mask = SND_JACK_MICROPHONE,
24 },
25 {
26 .pin = "Headphone Jack",
27 .mask = SND_JACK_HEADPHONE,
28 },
29 };
30
31 static const struct snd_kcontrol_new card_controls[] = {
32 SOC_DAPM_PIN_SWITCH("Speaker"),
33 SOC_DAPM_PIN_SWITCH("Headphone Jack"),
34 };
35
36 static const struct snd_soc_dapm_widget card_widgets[] = {
37 SND_SOC_DAPM_HP("Headphone Jack", NULL),
38 SND_SOC_DAPM_SPK("Speaker", NULL),
39 SND_SOC_DAPM_MIC("Mic Jack", NULL),
40 SND_SOC_DAPM_MIC("DMIC1", NULL),
41 SND_SOC_DAPM_MIC("DMIC2", NULL),
42 SND_SOC_DAPM_LINE("Line Jack", NULL),
43 };
44
45 static const struct snd_soc_dapm_route card_routes[] = {
46 {"Speaker", NULL, "SPOR"},
47 {"Speaker", NULL, "SPOL"},
48
49 {"Headphone Jack", NULL, "HPO Pin"},
50
51 {"MIC1", NULL, "Mic Jack"},
52 {"LINE1", NULL, "Line Jack"},
53
54 {"DMIC1 Pin", NULL, "DMIC1"},
55 {"DMIC2 Pin", NULL, "DMIC2"},
56
57 /* CODEC BE connections */
58 {"SSP0 CODEC IN", NULL, "AIF1 Capture"},
59 {"AIF1 Playback", NULL, "SSP0 CODEC OUT"},
60 };
61
codec_link_init(struct snd_soc_pcm_runtime * rtd)62 static int codec_link_init(struct snd_soc_pcm_runtime *rtd)
63 {
64 struct snd_soc_component *codec = asoc_rtd_to_codec(rtd, 0)->component;
65 int ret;
66
67 ret = snd_soc_card_jack_new_pins(rtd->card, "Headset", SND_JACK_HEADSET | SND_JACK_BTN_0,
68 &card_headset, card_headset_pins,
69 ARRAY_SIZE(card_headset_pins));
70 if (ret)
71 return ret;
72
73 return snd_soc_component_set_jack(codec, &card_headset, NULL);
74 }
75
codec_link_hw_params_fixup(struct snd_soc_pcm_runtime * rtd,struct snd_pcm_hw_params * params)76 static int codec_link_hw_params_fixup(struct snd_soc_pcm_runtime *rtd,
77 struct snd_pcm_hw_params *params)
78 {
79 struct snd_interval *channels = hw_param_interval(params, SNDRV_PCM_HW_PARAM_CHANNELS);
80 struct snd_interval *rate = hw_param_interval(params, SNDRV_PCM_HW_PARAM_RATE);
81
82 /* The ADSP will convert the FE rate to 48kHz, stereo. */
83 rate->min = rate->max = 48000;
84 channels->min = channels->max = 2;
85 /* Set SSP0 to 16 bit. */
86 params_set_format(params, SNDRV_PCM_FORMAT_S16_LE);
87
88 return 0;
89 }
90
codec_link_hw_params(struct snd_pcm_substream * substream,struct snd_pcm_hw_params * params)91 static int codec_link_hw_params(struct snd_pcm_substream *substream,
92 struct snd_pcm_hw_params *params)
93 {
94 struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
95 struct snd_soc_dai *codec_dai = asoc_rtd_to_codec(rtd, 0);
96 int ret;
97
98 ret = snd_soc_dai_set_sysclk(codec_dai, RT286_SCLK_S_PLL, 24000000, SND_SOC_CLOCK_IN);
99 if (ret < 0) {
100 dev_err(rtd->dev, "set codec sysclk failed: %d\n", ret);
101 return ret;
102 }
103
104 return ret;
105 }
106
107 static const struct snd_soc_ops codec_link_ops = {
108 .hw_params = codec_link_hw_params,
109 };
110
111 SND_SOC_DAILINK_DEF(system, DAILINK_COMP_ARRAY(COMP_CPU("System Pin")));
112 SND_SOC_DAILINK_DEF(offload0, DAILINK_COMP_ARRAY(COMP_CPU("Offload0 Pin")));
113 SND_SOC_DAILINK_DEF(offload1, DAILINK_COMP_ARRAY(COMP_CPU("Offload1 Pin")));
114 SND_SOC_DAILINK_DEF(loopback, DAILINK_COMP_ARRAY(COMP_CPU("Loopback Pin")));
115
116 SND_SOC_DAILINK_DEF(dummy, DAILINK_COMP_ARRAY(COMP_DUMMY()));
117 SND_SOC_DAILINK_DEF(platform, DAILINK_COMP_ARRAY(COMP_PLATFORM("haswell-pcm-audio")));
118 SND_SOC_DAILINK_DEF(codec, DAILINK_COMP_ARRAY(COMP_CODEC("i2c-INT343A:00", "rt286-aif1")));
119 SND_SOC_DAILINK_DEF(ssp0_port, DAILINK_COMP_ARRAY(COMP_CPU("ssp0-port")));
120
121 static struct snd_soc_dai_link card_dai_links[] = {
122 /* Front End DAI links */
123 {
124 .name = "System PCM",
125 .stream_name = "System Playback/Capture",
126 .nonatomic = 1,
127 .dynamic = 1,
128 .trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
129 .dpcm_playback = 1,
130 .dpcm_capture = 1,
131 SND_SOC_DAILINK_REG(system, dummy, platform),
132 },
133 {
134 .name = "Offload0",
135 .stream_name = "Offload0 Playback",
136 .nonatomic = 1,
137 .dynamic = 1,
138 .trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
139 .dpcm_playback = 1,
140 SND_SOC_DAILINK_REG(offload0, dummy, platform),
141 },
142 {
143 .name = "Offload1",
144 .stream_name = "Offload1 Playback",
145 .nonatomic = 1,
146 .dynamic = 1,
147 .trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
148 .dpcm_playback = 1,
149 SND_SOC_DAILINK_REG(offload1, dummy, platform),
150 },
151 {
152 .name = "Loopback PCM",
153 .stream_name = "Loopback",
154 .nonatomic = 1,
155 .dynamic = 1,
156 .trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
157 .dpcm_capture = 1,
158 SND_SOC_DAILINK_REG(loopback, dummy, platform),
159 },
160 /* Back End DAI links */
161 {
162 /* SSP0 - Codec */
163 .name = "Codec",
164 .id = 0,
165 .nonatomic = 1,
166 .no_pcm = 1,
167 .init = codec_link_init,
168 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_CBC_CFC,
169 .ignore_pmdown_time = 1,
170 .be_hw_params_fixup = codec_link_hw_params_fixup,
171 .ops = &codec_link_ops,
172 .dpcm_playback = 1,
173 .dpcm_capture = 1,
174 SND_SOC_DAILINK_REG(ssp0_port, codec, platform),
175 },
176 };
177
bdw_rt286_disable_jack(struct snd_soc_card * card)178 static void bdw_rt286_disable_jack(struct snd_soc_card *card)
179 {
180 struct snd_soc_component *component;
181
182 for_each_card_components(card, component) {
183 if (!strcmp(component->name, "i2c-INT343A:00")) {
184 dev_dbg(component->dev, "disabling jack detect before going to suspend.\n");
185 snd_soc_component_set_jack(component, NULL, NULL);
186 break;
187 }
188 }
189 }
190
bdw_rt286_suspend(struct snd_soc_card * card)191 static int bdw_rt286_suspend(struct snd_soc_card *card)
192 {
193 bdw_rt286_disable_jack(card);
194
195 return 0;
196 }
197
bdw_rt286_resume(struct snd_soc_card * card)198 static int bdw_rt286_resume(struct snd_soc_card *card)
199 {
200 struct snd_soc_component *component;
201
202 for_each_card_components(card, component) {
203 if (!strcmp(component->name, "i2c-INT343A:00")) {
204 dev_dbg(component->dev, "enabling jack detect for resume.\n");
205 snd_soc_component_set_jack(component, &card_headset, NULL);
206 break;
207 }
208 }
209
210 return 0;
211 }
212
213 static struct snd_soc_card bdw_rt286_card = {
214 .owner = THIS_MODULE,
215 .dai_link = card_dai_links,
216 .num_links = ARRAY_SIZE(card_dai_links),
217 .controls = card_controls,
218 .num_controls = ARRAY_SIZE(card_controls),
219 .dapm_widgets = card_widgets,
220 .num_dapm_widgets = ARRAY_SIZE(card_widgets),
221 .dapm_routes = card_routes,
222 .num_dapm_routes = ARRAY_SIZE(card_routes),
223 .fully_routed = true,
224 .suspend_pre = bdw_rt286_suspend,
225 .resume_post = bdw_rt286_resume,
226 };
227
228 /* Use space before codec name to simplify card ID, and simplify driver name. */
229 #define SOF_CARD_NAME "bdw rt286" /* card name will be 'sof-bdw rt286' */
230 #define SOF_DRIVER_NAME "SOF"
231
232 #define CARD_NAME "broadwell-rt286"
233
bdw_rt286_probe(struct platform_device * pdev)234 static int bdw_rt286_probe(struct platform_device *pdev)
235 {
236 struct snd_soc_acpi_mach *mach;
237 struct device *dev = &pdev->dev;
238 int ret;
239
240 bdw_rt286_card.dev = dev;
241 mach = dev_get_platdata(dev);
242
243 ret = snd_soc_fixup_dai_links_platform_name(&bdw_rt286_card, mach->mach_params.platform);
244 if (ret)
245 return ret;
246
247 if (snd_soc_acpi_sof_parent(dev)) {
248 bdw_rt286_card.name = SOF_CARD_NAME;
249 bdw_rt286_card.driver_name = SOF_DRIVER_NAME;
250 } else {
251 bdw_rt286_card.name = CARD_NAME;
252 }
253
254 return devm_snd_soc_register_card(dev, &bdw_rt286_card);
255 }
256
bdw_rt286_remove(struct platform_device * pdev)257 static int bdw_rt286_remove(struct platform_device *pdev)
258 {
259 struct snd_soc_card *card = platform_get_drvdata(pdev);
260
261 bdw_rt286_disable_jack(card);
262
263 return 0;
264 }
265
266 static struct platform_driver bdw_rt286_driver = {
267 .probe = bdw_rt286_probe,
268 .remove = bdw_rt286_remove,
269 .driver = {
270 .name = "bdw_rt286",
271 .pm = &snd_soc_pm_ops
272 },
273 };
274
275 module_platform_driver(bdw_rt286_driver)
276
277 MODULE_AUTHOR("Liam Girdwood, Xingchao Wang");
278 MODULE_DESCRIPTION("Sound card driver for Intel Broadwell Wildcat Point with Realtek 286");
279 MODULE_LICENSE("GPL");
280 MODULE_ALIAS("platform:bdw_rt286");
281