1 // SPDX-License-Identifier: GPL-2.0-only
2 //
3 // Copyright(c) 2021-2022 Intel Corporation
4 //
5 // Authors: Cezary Rojewski <cezary.rojewski@intel.com>
6 // Amadeusz Slawinski <amadeuszx.slawinski@linux.intel.com>
7 //
8
9 #include <linux/dmi.h>
10 #include <linux/module.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/rt298.h"
17 #include "../utils.h"
18
19 #define RT298_CODEC_DAI "rt298-aif1"
20
21 static const struct dmi_system_id kblr_dmi_table[] = {
22 {
23 .matches = {
24 DMI_MATCH(DMI_SYS_VENDOR, "Intel Corporation"),
25 DMI_MATCH(DMI_BOARD_NAME, "Kabylake R DDR4 RVP"),
26 },
27 },
28 {}
29 };
30
31 static const struct snd_kcontrol_new card_controls[] = {
32 SOC_DAPM_PIN_SWITCH("Headphone Jack"),
33 SOC_DAPM_PIN_SWITCH("Mic Jack"),
34 SOC_DAPM_PIN_SWITCH("Speaker"),
35 };
36
37 static const struct snd_soc_dapm_widget card_widgets[] = {
38 SND_SOC_DAPM_HP("Headphone Jack", NULL),
39 SND_SOC_DAPM_MIC("Mic Jack", NULL),
40 SND_SOC_DAPM_SPK("Speaker", NULL),
41 };
42
43 static const struct snd_soc_dapm_route card_base_routes[] = {
44 /* HP jack connectors - unknown if we have jack detect */
45 {"Headphone Jack", NULL, "HPO Pin"},
46 {"MIC1", NULL, "Mic Jack"},
47
48 {"Speaker", NULL, "SPOR"},
49 {"Speaker", NULL, "SPOL"},
50 };
51
52 static const struct snd_soc_jack_pin card_headset_pins[] = {
53 {
54 .pin = "Headphone Jack",
55 .mask = SND_JACK_HEADPHONE,
56 },
57 {
58 .pin = "Mic Jack",
59 .mask = SND_JACK_MICROPHONE,
60 },
61 };
62
avs_rt298_codec_init(struct snd_soc_pcm_runtime * runtime)63 static int avs_rt298_codec_init(struct snd_soc_pcm_runtime *runtime)
64 {
65 struct snd_soc_card *card = runtime->card;
66 struct snd_soc_jack_pin *pins;
67 struct snd_soc_jack *jack;
68 int num_pins, ret;
69
70 jack = snd_soc_card_get_drvdata(card);
71 num_pins = ARRAY_SIZE(card_headset_pins);
72
73 pins = devm_kmemdup_array(card->dev, card_headset_pins, num_pins,
74 sizeof(card_headset_pins[0]), GFP_KERNEL);
75 if (!pins)
76 return -ENOMEM;
77
78 ret = snd_soc_card_jack_new_pins(card, "Headset Jack", SND_JACK_HEADSET | SND_JACK_BTN_0,
79 jack, pins, num_pins);
80 if (ret)
81 return ret;
82
83 return snd_soc_component_set_jack(snd_soc_rtd_to_codec(runtime, 0)->component, jack, NULL);
84 }
85
avs_rt298_codec_exit(struct snd_soc_pcm_runtime * rtd)86 static void avs_rt298_codec_exit(struct snd_soc_pcm_runtime *rtd)
87 {
88 snd_soc_component_set_jack(snd_soc_rtd_to_codec(rtd, 0)->component, NULL, NULL);
89 }
90
avs_rt298_be_fixup(struct snd_soc_pcm_runtime * runtime,struct snd_pcm_hw_params * params)91 static int avs_rt298_be_fixup(struct snd_soc_pcm_runtime *runtime, struct snd_pcm_hw_params *params)
92 {
93 struct snd_interval *rate, *channels;
94 struct snd_mask *fmt;
95
96 rate = hw_param_interval(params, SNDRV_PCM_HW_PARAM_RATE);
97 channels = hw_param_interval(params, SNDRV_PCM_HW_PARAM_CHANNELS);
98 fmt = hw_param_mask(params, SNDRV_PCM_HW_PARAM_FORMAT);
99
100 /* The ADSP will convert the FE rate to 48k, stereo */
101 rate->min = rate->max = 48000;
102 channels->min = channels->max = 2;
103
104 /* set SSP0 to 24 bit */
105 snd_mask_none(fmt);
106 snd_mask_set_format(fmt, SNDRV_PCM_FORMAT_S24_LE);
107
108 return 0;
109 }
110
111 static int
avs_rt298_hw_params(struct snd_pcm_substream * substream,struct snd_pcm_hw_params * params)112 avs_rt298_hw_params(struct snd_pcm_substream *substream, struct snd_pcm_hw_params *params)
113 {
114 struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream);
115 struct snd_soc_dai *codec_dai = snd_soc_rtd_to_codec(rtd, 0);
116 unsigned int clk_freq;
117 int ret;
118
119 if (dmi_first_match(kblr_dmi_table))
120 clk_freq = 24000000;
121 else
122 clk_freq = 19200000;
123
124 ret = snd_soc_dai_set_sysclk(codec_dai, RT298_SCLK_S_PLL, clk_freq, SND_SOC_CLOCK_IN);
125 if (ret < 0)
126 dev_err(rtd->dev, "Set codec sysclk failed: %d\n", ret);
127
128 return ret;
129 }
130
131 static const struct snd_soc_ops avs_rt298_ops = {
132 .hw_params = avs_rt298_hw_params,
133 };
134
avs_create_dai_link(struct device * dev,const char * platform_name,int ssp_port,int tdm_slot,struct snd_soc_dai_link ** dai_link)135 static int avs_create_dai_link(struct device *dev, const char *platform_name, int ssp_port,
136 int tdm_slot, struct snd_soc_dai_link **dai_link)
137 {
138 struct snd_soc_dai_link_component *platform;
139 struct snd_soc_dai_link *dl;
140
141 dl = devm_kzalloc(dev, sizeof(*dl), GFP_KERNEL);
142 platform = devm_kzalloc(dev, sizeof(*platform), GFP_KERNEL);
143 if (!dl || !platform)
144 return -ENOMEM;
145
146 platform->name = platform_name;
147
148 dl->name = devm_kasprintf(dev, GFP_KERNEL,
149 AVS_STRING_FMT("SSP", "-Codec", ssp_port, tdm_slot));
150 dl->cpus = devm_kzalloc(dev, sizeof(*dl->cpus), GFP_KERNEL);
151 dl->codecs = devm_kzalloc(dev, sizeof(*dl->codecs), GFP_KERNEL);
152 if (!dl->name || !dl->cpus || !dl->codecs)
153 return -ENOMEM;
154
155 dl->cpus->dai_name = devm_kasprintf(dev, GFP_KERNEL,
156 AVS_STRING_FMT("SSP", " Pin", ssp_port, tdm_slot));
157 dl->codecs->name = devm_kasprintf(dev, GFP_KERNEL, "i2c-INT343A:00");
158 dl->codecs->dai_name = devm_kasprintf(dev, GFP_KERNEL, RT298_CODEC_DAI);
159 if (!dl->cpus->dai_name || !dl->codecs->name || !dl->codecs->dai_name)
160 return -ENOMEM;
161
162 dl->num_cpus = 1;
163 dl->num_codecs = 1;
164 dl->platforms = platform;
165 dl->num_platforms = 1;
166 dl->id = 0;
167 if (dmi_first_match(kblr_dmi_table))
168 dl->dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_CBC_CFC;
169 else
170 dl->dai_fmt = SND_SOC_DAIFMT_DSP_A | SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_CBC_CFC;
171 dl->init = avs_rt298_codec_init;
172 dl->exit = avs_rt298_codec_exit;
173 dl->be_hw_params_fixup = avs_rt298_be_fixup;
174 dl->ops = &avs_rt298_ops;
175 dl->nonatomic = 1;
176 dl->no_pcm = 1;
177
178 *dai_link = dl;
179
180 return 0;
181 }
182
avs_card_suspend_pre(struct snd_soc_card * card)183 static int avs_card_suspend_pre(struct snd_soc_card *card)
184 {
185 struct snd_soc_dai *codec_dai = snd_soc_card_get_codec_dai(card, RT298_CODEC_DAI);
186
187 return snd_soc_component_set_jack(codec_dai->component, NULL, NULL);
188 }
189
avs_card_resume_post(struct snd_soc_card * card)190 static int avs_card_resume_post(struct snd_soc_card *card)
191 {
192 struct snd_soc_dai *codec_dai = snd_soc_card_get_codec_dai(card, RT298_CODEC_DAI);
193 struct snd_soc_jack *jack = snd_soc_card_get_drvdata(card);
194
195 return snd_soc_component_set_jack(codec_dai->component, jack, NULL);
196 }
197
avs_rt298_probe(struct platform_device * pdev)198 static int avs_rt298_probe(struct platform_device *pdev)
199 {
200 struct snd_soc_dai_link *dai_link;
201 struct snd_soc_acpi_mach *mach;
202 struct avs_mach_pdata *pdata;
203 struct snd_soc_card *card;
204 struct snd_soc_jack *jack;
205 struct device *dev = &pdev->dev;
206 const char *pname;
207 int ssp_port, tdm_slot, ret;
208
209 mach = dev_get_platdata(dev);
210 pname = mach->mach_params.platform;
211 pdata = mach->pdata;
212
213 ret = avs_mach_get_ssp_tdm(dev, mach, &ssp_port, &tdm_slot);
214 if (ret)
215 return ret;
216
217 ret = avs_create_dai_link(dev, pname, ssp_port, tdm_slot, &dai_link);
218 if (ret) {
219 dev_err(dev, "Failed to create dai link: %d", ret);
220 return ret;
221 }
222
223 jack = devm_kzalloc(dev, sizeof(*jack), GFP_KERNEL);
224 card = devm_kzalloc(dev, sizeof(*card), GFP_KERNEL);
225 if (!jack || !card)
226 return -ENOMEM;
227
228 if (pdata->obsolete_card_names) {
229 card->name = "avs_rt298";
230 } else {
231 card->driver_name = "avs_rt298";
232 card->long_name = card->name = "AVS I2S ALC298";
233 }
234 card->dev = dev;
235 card->owner = THIS_MODULE;
236 card->suspend_pre = avs_card_suspend_pre;
237 card->resume_post = avs_card_resume_post;
238 card->dai_link = dai_link;
239 card->num_links = 1;
240 card->controls = card_controls;
241 card->num_controls = ARRAY_SIZE(card_controls);
242 card->dapm_widgets = card_widgets;
243 card->num_dapm_widgets = ARRAY_SIZE(card_widgets);
244 card->dapm_routes = card_base_routes;
245 card->num_dapm_routes = ARRAY_SIZE(card_base_routes);
246 card->fully_routed = true;
247 snd_soc_card_set_drvdata(card, jack);
248
249 ret = snd_soc_fixup_dai_links_platform_name(card, pname);
250 if (ret)
251 return ret;
252
253 return devm_snd_soc_register_deferrable_card(dev, card);
254 }
255
256 static const struct platform_device_id avs_rt298_driver_ids[] = {
257 {
258 .name = "avs_rt298",
259 },
260 {},
261 };
262 MODULE_DEVICE_TABLE(platform, avs_rt298_driver_ids);
263
264 static struct platform_driver avs_rt298_driver = {
265 .probe = avs_rt298_probe,
266 .driver = {
267 .name = "avs_rt298",
268 .pm = &snd_soc_pm_ops,
269 },
270 .id_table = avs_rt298_driver_ids,
271 };
272
273 module_platform_driver(avs_rt298_driver);
274
275 MODULE_DESCRIPTION("Intel rt298 machine driver");
276 MODULE_LICENSE("GPL");
277