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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>
23#include <linux/acpi.h>
24
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
32static unsigned long acp2x_machine_id;
33static struct snd_soc_jack st_jack;
34static struct device *codec_dev;
35static struct gpio_desc *gpio_pa;
36
37static 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
48static 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
59static 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 = snd_soc_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
84static const unsigned int st_channels[] = {
85 DUAL_CHANNEL,
86};
87
88static const unsigned int st_rates[] = {
89 48000,
90};
91
92static 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
98static 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
104static 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 = snd_soc_substream_to_rtd(substream);
115 card = rtd->card;
116 machine = snd_soc_card_get_drvdata(card);
117 codec_dai = snd_soc_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
135static const struct snd_soc_ops st_es8336_ops = {
136 .startup = st_es8336_codec_startup,
137};
138
139SND_SOC_DAILINK_DEF(designware1,
140 DAILINK_COMP_ARRAY(COMP_CPU("designware-i2s.1")));
141SND_SOC_DAILINK_DEF(codec,
142 DAILINK_COMP_ARRAY(COMP_CODEC("i2c-ESSX8336:00", "ES8316 HiFi")));
143SND_SOC_DAILINK_DEF(platform,
144 DAILINK_COMP_ARRAY(COMP_PLATFORM("acp_audio_dma.0")));
145
146static 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 .trigger_stop = SND_SOC_TRIGGER_ORDER_LDC,
153 .init = st_es8336_init,
154 .ops = &st_es8336_ops,
155 SND_SOC_DAILINK_REG(designware1, codec, platform),
156 },
157};
158
159static const struct snd_soc_dapm_widget st_widgets[] = {
160 SND_SOC_DAPM_SPK("Speaker", NULL),
161 SND_SOC_DAPM_HP("Headphone", NULL),
162 SND_SOC_DAPM_MIC("Headset Mic", NULL),
163 SND_SOC_DAPM_MIC("Internal Mic", NULL),
164
165 SND_SOC_DAPM_SUPPLY("Speaker Power", SND_SOC_NOPM, 0, 0,
166 sof_es8316_speaker_power_event,
167 SND_SOC_DAPM_PRE_PMD | SND_SOC_DAPM_POST_PMU),
168};
169
170static const struct snd_soc_dapm_route st_audio_route[] = {
171 {"Speaker", NULL, "HPOL"},
172 {"Speaker", NULL, "HPOR"},
173 {"Headphone", NULL, "HPOL"},
174 {"Headphone", NULL, "HPOR"},
175 {"MIC1", NULL, "Headset Mic"},
176 {"MIC2", NULL, "Internal Mic"},
177 {"Speaker", NULL, "Speaker Power"},
178};
179
180static const struct snd_kcontrol_new st_mc_controls[] = {
181 SOC_DAPM_PIN_SWITCH("Speaker"),
182 SOC_DAPM_PIN_SWITCH("Headphone"),
183 SOC_DAPM_PIN_SWITCH("Headset Mic"),
184 SOC_DAPM_PIN_SWITCH("Internal Mic"),
185};
186
187static const struct acpi_gpio_params pa_enable_gpio = { 0, 0, false };
188static const struct acpi_gpio_mapping acpi_es8336_gpios[] = {
189 { "pa-enable-gpios", &pa_enable_gpio, 1 },
190 { }
191};
192
193static int st_es8336_late_probe(struct snd_soc_card *card)
194{
195 struct acpi_device *adev;
196 int ret;
197
198 adev = acpi_dev_get_first_match_dev("ESSX8336", NULL, -1);
199 if (!adev)
200 return -ENODEV;
201
202 codec_dev = acpi_get_first_physical_node(adev);
203 acpi_dev_put(adev);
204 if (!codec_dev) {
205 dev_err(card->dev, "can not find codec dev\n");
206 return -ENODEV;
207 }
208
209 ret = devm_acpi_dev_add_driver_gpios(codec_dev, acpi_es8336_gpios);
210 if (ret)
211 dev_warn(card->dev, "Failed to add driver gpios\n");
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");
217 put_device(codec_dev);
218 return ret;
219 }
220 return 0;
221}
222
223static 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
237static int st_es8336_quirk_cb(const struct dmi_system_id *id)
238{
239 acp2x_machine_id = ST_JADEITE;
240 return 1;
241}
242
243static 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
268static 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
299#ifdef CONFIG_ACPI
300static const struct acpi_device_id st_audio_acpi_match[] = {
301 {"AMDI8336", 0},
302 {},
303};
304MODULE_DEVICE_TABLE(acpi, st_audio_acpi_match);
305#endif
306
307static 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,
314};
315
316module_platform_driver(st_mach_driver);
317
318MODULE_AUTHOR("Vijendar.Mukunda@amd.com");
319MODULE_DESCRIPTION("st-es8316 audio support");
320MODULE_LICENSE("GPL v2");
321
