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02527c3f VM |
1 | // SPDX-License-Identifier: GPL-2.0+ |
2 | /* | |
3 | * Machine driver for AMD Stoney platform using ES8336 Codec | |
4 | * | |
5 | * Copyright 2022 Advanced Micro Devices, Inc. | |
6 | */ | |
7 | ||
8 | #include <sound/core.h> | |
9 | #include <sound/soc.h> | |
10 | #include <sound/pcm.h> | |
11 | #include <sound/pcm_params.h> | |
12 | #include <sound/soc-dapm.h> | |
13 | #include <sound/jack.h> | |
14 | #include <linux/gpio.h> | |
15 | #include <linux/device.h> | |
16 | #include <linux/dmi.h> | |
17 | #include <linux/gpio/consumer.h> | |
18 | #include <linux/gpio/machine.h> | |
19 | #include <linux/i2c.h> | |
20 | #include <linux/input.h> | |
21 | #include <linux/module.h> | |
22 | #include <linux/platform_device.h> | |
02527c3f VM |
23 | #include <linux/acpi.h> |
24 | ||
02527c3f VM |
25 | #include "acp.h" |
26 | ||
27 | #define DUAL_CHANNEL 2 | |
28 | #define DRV_NAME "acp2x_mach" | |
29 | #define ST_JADEITE 1 | |
30 | #define ES8336_PLL_FREQ (48000 * 256) | |
31 | ||
32 | static unsigned long acp2x_machine_id; | |
33 | static struct snd_soc_jack st_jack; | |
f460e3a9 PLB |
34 | static struct device *codec_dev; |
35 | static struct gpio_desc *gpio_pa; | |
02527c3f VM |
36 | |
37 | static int sof_es8316_speaker_power_event(struct snd_soc_dapm_widget *w, | |
38 | struct snd_kcontrol *kcontrol, int event) | |
39 | { | |
40 | if (SND_SOC_DAPM_EVENT_ON(event)) | |
41 | gpiod_set_value_cansleep(gpio_pa, true); | |
42 | else | |
43 | gpiod_set_value_cansleep(gpio_pa, false); | |
44 | ||
45 | return 0; | |
46 | } | |
47 | ||
48 | static struct snd_soc_jack_pin st_es8316_jack_pins[] = { | |
49 | { | |
50 | .pin = "Headphone", | |
51 | .mask = SND_JACK_HEADPHONE, | |
52 | }, | |
53 | { | |
54 | .pin = "Headset Mic", | |
55 | .mask = SND_JACK_MICROPHONE, | |
56 | }, | |
57 | }; | |
58 | ||
59 | static int st_es8336_init(struct snd_soc_pcm_runtime *rtd) | |
60 | { | |
61 | int ret; | |
62 | struct snd_soc_card *card; | |
63 | struct snd_soc_component *codec; | |
64 | ||
65 | codec = asoc_rtd_to_codec(rtd, 0)->component; | |
66 | card = rtd->card; | |
67 | ||
68 | ret = snd_soc_card_jack_new_pins(card, "Headset", SND_JACK_HEADSET | SND_JACK_BTN_0, | |
69 | &st_jack, st_es8316_jack_pins, | |
70 | ARRAY_SIZE(st_es8316_jack_pins)); | |
71 | if (ret) { | |
72 | dev_err(card->dev, "HP jack creation failed %d\n", ret); | |
73 | return ret; | |
74 | } | |
75 | snd_jack_set_key(st_jack.jack, SND_JACK_BTN_0, KEY_PLAYPAUSE); | |
76 | ret = snd_soc_component_set_jack(codec, &st_jack, NULL); | |
77 | if (ret) { | |
78 | dev_err(rtd->dev, "Headset Jack call-back failed: %d\n", ret); | |
79 | return ret; | |
80 | } | |
81 | return 0; | |
82 | } | |
83 | ||
84 | static const unsigned int st_channels[] = { | |
85 | DUAL_CHANNEL, | |
86 | }; | |
87 | ||
88 | static const unsigned int st_rates[] = { | |
89 | 48000, | |
90 | }; | |
91 | ||
92 | static const struct snd_pcm_hw_constraint_list st_constraints_rates = { | |
93 | .count = ARRAY_SIZE(st_rates), | |
94 | .list = st_rates, | |
95 | .mask = 0, | |
96 | }; | |
97 | ||
98 | static const struct snd_pcm_hw_constraint_list st_constraints_channels = { | |
99 | .count = ARRAY_SIZE(st_channels), | |
100 | .list = st_channels, | |
101 | .mask = 0, | |
102 | }; | |
103 | ||
104 | static int st_es8336_codec_startup(struct snd_pcm_substream *substream) | |
105 | { | |
106 | struct snd_pcm_runtime *runtime; | |
107 | struct snd_soc_pcm_runtime *rtd; | |
108 | struct snd_soc_card *card; | |
109 | struct acp_platform_info *machine; | |
110 | struct snd_soc_dai *codec_dai; | |
111 | int ret; | |
112 | ||
113 | runtime = substream->runtime; | |
114 | rtd = asoc_substream_to_rtd(substream); | |
115 | card = rtd->card; | |
116 | machine = snd_soc_card_get_drvdata(card); | |
117 | codec_dai = asoc_rtd_to_codec(rtd, 0); | |
118 | ret = snd_soc_dai_set_sysclk(codec_dai, 0, ES8336_PLL_FREQ, SND_SOC_CLOCK_IN); | |
119 | if (ret < 0) { | |
120 | dev_err(rtd->dev, "can't set codec sysclk: %d\n", ret); | |
121 | return ret; | |
122 | } | |
123 | runtime->hw.channels_max = DUAL_CHANNEL; | |
124 | snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS, | |
125 | &st_constraints_channels); | |
126 | snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE, | |
127 | &st_constraints_rates); | |
128 | ||
129 | machine->play_i2s_instance = I2S_MICSP_INSTANCE; | |
130 | machine->cap_i2s_instance = I2S_MICSP_INSTANCE; | |
131 | machine->capture_channel = CAP_CHANNEL0; | |
132 | return 0; | |
133 | } | |
134 | ||
135 | static const struct snd_soc_ops st_es8336_ops = { | |
136 | .startup = st_es8336_codec_startup, | |
137 | }; | |
138 | ||
139 | SND_SOC_DAILINK_DEF(designware1, | |
140 | DAILINK_COMP_ARRAY(COMP_CPU("designware-i2s.2.auto"))); | |
141 | SND_SOC_DAILINK_DEF(codec, | |
142 | DAILINK_COMP_ARRAY(COMP_CODEC("i2c-ESSX8336:00", "ES8316 HiFi"))); | |
143 | SND_SOC_DAILINK_DEF(platform, | |
144 | DAILINK_COMP_ARRAY(COMP_PLATFORM("acp_audio_dma.1.auto"))); | |
145 | ||
146 | static struct snd_soc_dai_link st_dai_es8336[] = { | |
147 | { | |
148 | .name = "amdes8336", | |
149 | .stream_name = "ES8336 HiFi Play", | |
150 | .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | |
151 | | SND_SOC_DAIFMT_CBP_CFP, | |
152 | .stop_dma_first = 1, | |
153 | .dpcm_capture = 1, | |
154 | .dpcm_playback = 1, | |
155 | .init = st_es8336_init, | |
156 | .ops = &st_es8336_ops, | |
157 | SND_SOC_DAILINK_REG(designware1, codec, platform), | |
158 | }, | |
159 | }; | |
160 | ||
161 | static const struct snd_soc_dapm_widget st_widgets[] = { | |
162 | SND_SOC_DAPM_SPK("Speaker", NULL), | |
163 | SND_SOC_DAPM_HP("Headphone", NULL), | |
164 | SND_SOC_DAPM_MIC("Headset Mic", NULL), | |
165 | SND_SOC_DAPM_MIC("Internal Mic", NULL), | |
166 | ||
167 | SND_SOC_DAPM_SUPPLY("Speaker Power", SND_SOC_NOPM, 0, 0, | |
168 | sof_es8316_speaker_power_event, | |
169 | SND_SOC_DAPM_PRE_PMD | SND_SOC_DAPM_POST_PMU), | |
170 | }; | |
171 | ||
172 | static const struct snd_soc_dapm_route st_audio_route[] = { | |
173 | {"Speaker", NULL, "HPOL"}, | |
174 | {"Speaker", NULL, "HPOR"}, | |
175 | {"Headphone", NULL, "HPOL"}, | |
176 | {"Headphone", NULL, "HPOR"}, | |
177 | {"MIC1", NULL, "Headset Mic"}, | |
178 | {"MIC2", NULL, "Internal Mic"}, | |
179 | {"Speaker", NULL, "Speaker Power"}, | |
180 | }; | |
181 | ||
182 | static const struct snd_kcontrol_new st_mc_controls[] = { | |
183 | SOC_DAPM_PIN_SWITCH("Speaker"), | |
184 | SOC_DAPM_PIN_SWITCH("Headphone"), | |
185 | SOC_DAPM_PIN_SWITCH("Headset Mic"), | |
186 | SOC_DAPM_PIN_SWITCH("Internal Mic"), | |
187 | }; | |
188 | ||
189 | static const struct acpi_gpio_params pa_enable_gpio = { 0, 0, false }; | |
190 | static const struct acpi_gpio_mapping acpi_es8336_gpios[] = { | |
191 | { "pa-enable-gpios", &pa_enable_gpio, 1 }, | |
192 | { } | |
193 | }; | |
194 | ||
195 | static int st_es8336_late_probe(struct snd_soc_card *card) | |
196 | { | |
197 | struct acpi_device *adev; | |
198 | int ret; | |
199 | ||
200 | adev = acpi_dev_get_first_match_dev("ESSX8336", NULL, -1); | |
d784fc8b AS |
201 | if (!adev) |
202 | return -ENODEV; | |
203 | ||
02527c3f | 204 | codec_dev = acpi_get_first_physical_node(adev); |
d784fc8b | 205 | acpi_dev_put(adev); |
02527c3f VM |
206 | if (!codec_dev) |
207 | dev_err(card->dev, "can not find codec dev\n"); | |
208 | ||
209 | ret = devm_acpi_dev_add_driver_gpios(codec_dev, acpi_es8336_gpios); | |
0de876c1 VM |
210 | if (ret) |
211 | dev_warn(card->dev, "Failed to add driver gpios\n"); | |
02527c3f VM |
212 | |
213 | gpio_pa = gpiod_get_optional(codec_dev, "pa-enable", GPIOD_OUT_LOW); | |
214 | if (IS_ERR(gpio_pa)) { | |
215 | ret = dev_err_probe(card->dev, PTR_ERR(gpio_pa), | |
216 | "could not get pa-enable GPIO\n"); | |
02527c3f | 217 | put_device(codec_dev); |
0de876c1 | 218 | return ret; |
02527c3f VM |
219 | } |
220 | return 0; | |
221 | } | |
222 | ||
223 | static struct snd_soc_card st_card = { | |
224 | .name = "acpes8336", | |
225 | .owner = THIS_MODULE, | |
226 | .dai_link = st_dai_es8336, | |
227 | .num_links = ARRAY_SIZE(st_dai_es8336), | |
228 | .dapm_widgets = st_widgets, | |
229 | .num_dapm_widgets = ARRAY_SIZE(st_widgets), | |
230 | .dapm_routes = st_audio_route, | |
231 | .num_dapm_routes = ARRAY_SIZE(st_audio_route), | |
232 | .controls = st_mc_controls, | |
233 | .num_controls = ARRAY_SIZE(st_mc_controls), | |
234 | .late_probe = st_es8336_late_probe, | |
235 | }; | |
236 | ||
237 | static int st_es8336_quirk_cb(const struct dmi_system_id *id) | |
238 | { | |
239 | acp2x_machine_id = ST_JADEITE; | |
240 | return 1; | |
241 | } | |
242 | ||
243 | static const struct dmi_system_id st_es8336_quirk_table[] = { | |
244 | { | |
245 | .callback = st_es8336_quirk_cb, | |
246 | .matches = { | |
247 | DMI_EXACT_MATCH(DMI_BOARD_VENDOR, "AMD"), | |
248 | DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "Jadeite"), | |
249 | }, | |
250 | }, | |
251 | { | |
252 | .callback = st_es8336_quirk_cb, | |
253 | .matches = { | |
254 | DMI_EXACT_MATCH(DMI_BOARD_VENDOR, "IP3 Technology CO.,Ltd."), | |
255 | DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "ASN1D"), | |
256 | }, | |
257 | }, | |
258 | { | |
259 | .callback = st_es8336_quirk_cb, | |
260 | .matches = { | |
261 | DMI_EXACT_MATCH(DMI_BOARD_VENDOR, "Standard"), | |
262 | DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "ASN10"), | |
263 | }, | |
264 | }, | |
265 | {} | |
266 | }; | |
267 | ||
268 | static int st_es8336_probe(struct platform_device *pdev) | |
269 | { | |
270 | int ret; | |
271 | struct snd_soc_card *card; | |
272 | struct acp_platform_info *machine; | |
273 | ||
274 | machine = devm_kzalloc(&pdev->dev, sizeof(struct acp_platform_info), GFP_KERNEL); | |
275 | if (!machine) | |
276 | return -ENOMEM; | |
277 | ||
278 | dmi_check_system(st_es8336_quirk_table); | |
279 | switch (acp2x_machine_id) { | |
280 | case ST_JADEITE: | |
281 | card = &st_card; | |
282 | st_card.dev = &pdev->dev; | |
283 | break; | |
284 | default: | |
285 | return -ENODEV; | |
286 | } | |
287 | ||
288 | platform_set_drvdata(pdev, card); | |
289 | snd_soc_card_set_drvdata(card, machine); | |
290 | ret = devm_snd_soc_register_card(&pdev->dev, &st_card); | |
291 | if (ret) { | |
292 | return dev_err_probe(&pdev->dev, ret, | |
293 | "devm_snd_soc_register_card(%s) failed\n", | |
294 | card->name); | |
295 | } | |
296 | return 0; | |
297 | } | |
298 | ||
02527c3f VM |
299 | #ifdef CONFIG_ACPI |
300 | static const struct acpi_device_id st_audio_acpi_match[] = { | |
301 | {"AMDI8336", 0}, | |
302 | {}, | |
303 | }; | |
304 | MODULE_DEVICE_TABLE(acpi, st_audio_acpi_match); | |
305 | #endif | |
306 | ||
307 | static struct platform_driver st_mach_driver = { | |
308 | .driver = { | |
309 | .name = "st-es8316", | |
310 | .acpi_match_table = ACPI_PTR(st_audio_acpi_match), | |
311 | .pm = &snd_soc_pm_ops, | |
312 | }, | |
313 | .probe = st_es8336_probe, | |
02527c3f VM |
314 | }; |
315 | ||
316 | module_platform_driver(st_mach_driver); | |
317 | ||
318 | MODULE_AUTHOR("Vijendar.Mukunda@amd.com"); | |
319 | MODULE_DESCRIPTION("st-es8316 audio support"); | |
320 | MODULE_LICENSE("GPL v2"); |