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
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 = snd_soc_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_exit(struct snd_soc_pcm_runtime * rtd)76 static void codec_link_exit(struct snd_soc_pcm_runtime *rtd)
77 {
78 struct snd_soc_component *codec = snd_soc_rtd_to_codec(rtd, 0)->component;
79
80 snd_soc_component_set_jack(codec, NULL, NULL);
81 }
82
codec_link_hw_params_fixup(struct snd_soc_pcm_runtime * rtd,struct snd_pcm_hw_params * params)83 static int codec_link_hw_params_fixup(struct snd_soc_pcm_runtime *rtd,
84 struct snd_pcm_hw_params *params)
85 {
86 struct snd_interval *channels = hw_param_interval(params, SNDRV_PCM_HW_PARAM_CHANNELS);
87 struct snd_interval *rate = hw_param_interval(params, SNDRV_PCM_HW_PARAM_RATE);
88
89 /* The ADSP will convert the FE rate to 48kHz, stereo. */
90 rate->min = rate->max = 48000;
91 channels->min = channels->max = 2;
92 /* Set SSP0 to 16 bit. */
93 params_set_format(params, SNDRV_PCM_FORMAT_S16_LE);
94
95 return 0;
96 }
97
codec_link_hw_params(struct snd_pcm_substream * substream,struct snd_pcm_hw_params * params)98 static int codec_link_hw_params(struct snd_pcm_substream *substream,
99 struct snd_pcm_hw_params *params)
100 {
101 struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream);
102 struct snd_soc_dai *codec_dai = snd_soc_rtd_to_codec(rtd, 0);
103 int ret;
104
105 ret = snd_soc_dai_set_sysclk(codec_dai, RT286_SCLK_S_PLL, 24000000, SND_SOC_CLOCK_IN);
106 if (ret < 0) {
107 dev_err(rtd->dev, "set codec sysclk failed: %d\n", ret);
108 return ret;
109 }
110
111 return ret;
112 }
113
114 static const struct snd_soc_ops codec_link_ops = {
115 .hw_params = codec_link_hw_params,
116 };
117
118 SND_SOC_DAILINK_DEF(system, DAILINK_COMP_ARRAY(COMP_CPU("System Pin")));
119 SND_SOC_DAILINK_DEF(offload0, DAILINK_COMP_ARRAY(COMP_CPU("Offload0 Pin")));
120 SND_SOC_DAILINK_DEF(offload1, DAILINK_COMP_ARRAY(COMP_CPU("Offload1 Pin")));
121 SND_SOC_DAILINK_DEF(loopback, DAILINK_COMP_ARRAY(COMP_CPU("Loopback Pin")));
122
123 SND_SOC_DAILINK_DEF(dummy, DAILINK_COMP_ARRAY(COMP_DUMMY()));
124 SND_SOC_DAILINK_DEF(platform, DAILINK_COMP_ARRAY(COMP_PLATFORM("haswell-pcm-audio")));
125 SND_SOC_DAILINK_DEF(codec, DAILINK_COMP_ARRAY(COMP_CODEC("i2c-INT343A:00", "rt286-aif1")));
126 SND_SOC_DAILINK_DEF(ssp0_port, DAILINK_COMP_ARRAY(COMP_CPU("ssp0-port")));
127
128 static struct snd_soc_dai_link card_dai_links[] = {
129 /* Front End DAI links */
130 {
131 .name = "System PCM",
132 .stream_name = "System Playback/Capture",
133 .nonatomic = 1,
134 .dynamic = 1,
135 .trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
136 .dpcm_playback = 1,
137 .dpcm_capture = 1,
138 SND_SOC_DAILINK_REG(system, dummy, platform),
139 },
140 {
141 .name = "Offload0",
142 .stream_name = "Offload0 Playback",
143 .nonatomic = 1,
144 .dynamic = 1,
145 .trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
146 .dpcm_playback = 1,
147 SND_SOC_DAILINK_REG(offload0, dummy, platform),
148 },
149 {
150 .name = "Offload1",
151 .stream_name = "Offload1 Playback",
152 .nonatomic = 1,
153 .dynamic = 1,
154 .trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
155 .dpcm_playback = 1,
156 SND_SOC_DAILINK_REG(offload1, dummy, platform),
157 },
158 {
159 .name = "Loopback PCM",
160 .stream_name = "Loopback",
161 .nonatomic = 1,
162 .dynamic = 1,
163 .trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
164 .dpcm_capture = 1,
165 SND_SOC_DAILINK_REG(loopback, dummy, platform),
166 },
167 /* Back End DAI links */
168 {
169 /* SSP0 - Codec */
170 .name = "Codec",
171 .id = 0,
172 .nonatomic = 1,
173 .no_pcm = 1,
174 .init = codec_link_init,
175 .exit = codec_link_exit,
176 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_CBC_CFC,
177 .ignore_pmdown_time = 1,
178 .be_hw_params_fixup = codec_link_hw_params_fixup,
179 .ops = &codec_link_ops,
180 .dpcm_playback = 1,
181 .dpcm_capture = 1,
182 SND_SOC_DAILINK_REG(ssp0_port, codec, platform),
183 },
184 };
185
card_suspend_pre(struct snd_soc_card * card)186 static int card_suspend_pre(struct snd_soc_card *card)
187 {
188 struct snd_soc_dai *codec_dai = snd_soc_card_get_codec_dai(card, "rt286-aif1");
189
190 if (!codec_dai)
191 return 0;
192
193 return snd_soc_component_set_jack(codec_dai->component, NULL, NULL);
194 }
195
card_resume_post(struct snd_soc_card * card)196 static int card_resume_post(struct snd_soc_card *card)
197 {
198 struct snd_soc_dai *codec_dai = snd_soc_card_get_codec_dai(card, "rt286-aif1");
199
200 if (!codec_dai)
201 return 0;
202
203 return snd_soc_component_set_jack(codec_dai->component, &card_headset, NULL);
204 }
205
206 static struct snd_soc_card bdw_rt286_card = {
207 .owner = THIS_MODULE,
208 .suspend_pre = card_suspend_pre,
209 .resume_post = card_resume_post,
210 .dai_link = card_dai_links,
211 .num_links = ARRAY_SIZE(card_dai_links),
212 .controls = card_controls,
213 .num_controls = ARRAY_SIZE(card_controls),
214 .dapm_widgets = card_widgets,
215 .num_dapm_widgets = ARRAY_SIZE(card_widgets),
216 .dapm_routes = card_routes,
217 .num_dapm_routes = ARRAY_SIZE(card_routes),
218 .fully_routed = true,
219 };
220
221 /* Use space before codec name to simplify card ID, and simplify driver name. */
222 #define SOF_CARD_NAME "bdw rt286" /* card name will be 'sof-bdw rt286' */
223 #define SOF_DRIVER_NAME "SOF"
224
225 #define CARD_NAME "broadwell-rt286"
226
bdw_rt286_probe(struct platform_device * pdev)227 static int bdw_rt286_probe(struct platform_device *pdev)
228 {
229 struct snd_soc_acpi_mach *mach;
230 struct device *dev = &pdev->dev;
231 int ret;
232
233 bdw_rt286_card.dev = dev;
234 mach = dev_get_platdata(dev);
235
236 ret = snd_soc_fixup_dai_links_platform_name(&bdw_rt286_card, mach->mach_params.platform);
237 if (ret)
238 return ret;
239
240 if (snd_soc_acpi_sof_parent(dev)) {
241 bdw_rt286_card.name = SOF_CARD_NAME;
242 bdw_rt286_card.driver_name = SOF_DRIVER_NAME;
243 } else {
244 bdw_rt286_card.name = CARD_NAME;
245 }
246
247 return devm_snd_soc_register_card(dev, &bdw_rt286_card);
248 }
249
250 static struct platform_driver bdw_rt286_driver = {
251 .probe = bdw_rt286_probe,
252 .driver = {
253 .name = "bdw_rt286",
254 .pm = &snd_soc_pm_ops
255 },
256 };
257
258 module_platform_driver(bdw_rt286_driver)
259
260 MODULE_AUTHOR("Liam Girdwood, Xingchao Wang");
261 MODULE_DESCRIPTION("Sound card driver for Intel Broadwell Wildcat Point with Realtek 286");
262 MODULE_LICENSE("GPL");
263 MODULE_ALIAS("platform:bdw_rt286");
264