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
21static 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
31static 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
37static 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
43static 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
52static 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
63static 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(dev: card->dev, src: card_headset_pins, n: num_pins,
74 size: sizeof(card_headset_pins[0]), GFP_KERNEL);
75 if (!pins)
76 return -ENOMEM;
77
78 ret = snd_soc_card_jack_new_pins(card, id: "Headset Jack", type: 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
86static 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
91static 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(mask: fmt);
106 snd_mask_set_format(mask: fmt, SNDRV_PCM_FORMAT_S24_LE);
107
108 return 0;
109}
110
111static int
112avs_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(list: kblr_dmi_table))
120 clk_freq = 24000000;
121 else
122 clk_freq = 19200000;
123
124 ret = snd_soc_dai_set_sysclk(dai: codec_dai, RT298_SCLK_S_PLL, freq: 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
131static const struct snd_soc_ops avs_rt298_ops = {
132 .hw_params = avs_rt298_hw_params,
133};
134
135static int avs_create_dai_link(struct device *dev, int ssp_port, int tdm_slot,
136 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, size: sizeof(*dl), GFP_KERNEL);
142 platform = devm_kzalloc(dev, size: sizeof(*platform), GFP_KERNEL);
143 if (!dl || !platform)
144 return -ENOMEM;
145
146 dl->name = devm_kasprintf(dev, GFP_KERNEL,
147 AVS_STRING_FMT("SSP", "-Codec", ssp_port, tdm_slot));
148 dl->cpus = devm_kzalloc(dev, size: sizeof(*dl->cpus), GFP_KERNEL);
149 dl->codecs = devm_kzalloc(dev, size: sizeof(*dl->codecs), GFP_KERNEL);
150 if (!dl->name || !dl->cpus || !dl->codecs)
151 return -ENOMEM;
152
153 dl->cpus->dai_name = devm_kasprintf(dev, GFP_KERNEL,
154 AVS_STRING_FMT("SSP", " Pin", ssp_port, tdm_slot));
155 dl->codecs->name = devm_kasprintf(dev, GFP_KERNEL, fmt: "i2c-INT343A:00");
156 dl->codecs->dai_name = devm_kasprintf(dev, GFP_KERNEL, RT298_CODEC_DAI);
157 if (!dl->cpus->dai_name || !dl->codecs->name || !dl->codecs->dai_name)
158 return -ENOMEM;
159
160 platform->name = dev_name(dev);
161 dl->num_cpus = 1;
162 dl->num_codecs = 1;
163 dl->platforms = platform;
164 dl->num_platforms = 1;
165 dl->id = 0;
166 if (dmi_first_match(list: kblr_dmi_table))
167 dl->dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_CBC_CFC;
168 else
169 dl->dai_fmt = SND_SOC_DAIFMT_DSP_A | SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_CBC_CFC;
170 dl->init = avs_rt298_codec_init;
171 dl->exit = avs_rt298_codec_exit;
172 dl->be_hw_params_fixup = avs_rt298_be_fixup;
173 dl->ops = &avs_rt298_ops;
174 dl->nonatomic = 1;
175 dl->no_pcm = 1;
176
177 *dai_link = dl;
178
179 return 0;
180}
181
182static int avs_card_suspend_pre(struct snd_soc_card *card)
183{
184 struct snd_soc_dai *codec_dai = snd_soc_card_get_codec_dai(card, RT298_CODEC_DAI);
185
186 return snd_soc_component_set_jack(component: codec_dai->component, NULL, NULL);
187}
188
189static int avs_card_resume_post(struct snd_soc_card *card)
190{
191 struct snd_soc_dai *codec_dai = snd_soc_card_get_codec_dai(card, RT298_CODEC_DAI);
192 struct snd_soc_jack *jack = snd_soc_card_get_drvdata(card);
193
194 return snd_soc_component_set_jack(component: codec_dai->component, jack, NULL);
195}
196
197static int avs_rt298_probe(struct platform_device *pdev)
198{
199 struct snd_soc_dai_link *dai_link;
200 struct snd_soc_acpi_mach *mach;
201 struct avs_mach_pdata *pdata;
202 struct snd_soc_card *card;
203 struct snd_soc_jack *jack;
204 struct device *dev = &pdev->dev;
205 int ssp_port, tdm_slot, ret;
206
207 mach = dev_get_platdata(dev);
208 pdata = mach->pdata;
209
210 ret = avs_mach_get_ssp_tdm(dev, mach, ssp_port: &ssp_port, tdm_slot: &tdm_slot);
211 if (ret)
212 return ret;
213
214 ret = avs_create_dai_link(dev, ssp_port, tdm_slot, dai_link: &dai_link);
215 if (ret) {
216 dev_err(dev, "Failed to create dai link: %d", ret);
217 return ret;
218 }
219
220 jack = devm_kzalloc(dev, size: sizeof(*jack), GFP_KERNEL);
221 card = devm_kzalloc(dev, size: sizeof(*card), GFP_KERNEL);
222 if (!jack || !card)
223 return -ENOMEM;
224
225 if (pdata->obsolete_card_names) {
226 card->name = "avs_rt298";
227 } else {
228 card->driver_name = "avs_rt298";
229 card->long_name = card->name = "AVS I2S ALC298";
230 }
231 card->dev = dev;
232 card->owner = THIS_MODULE;
233 card->suspend_pre = avs_card_suspend_pre;
234 card->resume_post = avs_card_resume_post;
235 card->dai_link = dai_link;
236 card->num_links = 1;
237 card->controls = card_controls;
238 card->num_controls = ARRAY_SIZE(card_controls);
239 card->dapm_widgets = card_widgets;
240 card->num_dapm_widgets = ARRAY_SIZE(card_widgets);
241 card->dapm_routes = card_base_routes;
242 card->num_dapm_routes = ARRAY_SIZE(card_base_routes);
243 card->fully_routed = true;
244 snd_soc_card_set_drvdata(card, data: jack);
245
246 return devm_snd_soc_register_deferrable_card(dev, card);
247}
248
249static const struct platform_device_id avs_rt298_driver_ids[] = {
250 {
251 .name = "avs_rt298",
252 },
253 {},
254};
255MODULE_DEVICE_TABLE(platform, avs_rt298_driver_ids);
256
257static struct platform_driver avs_rt298_driver = {
258 .probe = avs_rt298_probe,
259 .driver = {
260 .name = "avs_rt298",
261 .pm = &snd_soc_pm_ops,
262 },
263 .id_table = avs_rt298_driver_ids,
264};
265
266module_platform_driver(avs_rt298_driver);
267
268MODULE_DESCRIPTION("Intel rt298 machine driver");
269MODULE_LICENSE("GPL");
270

source code of linux/sound/soc/intel/avs/boards/rt298.c