1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
|
// SPDX-License-Identifier: GPL-2.0-only
//
// rt5682.c -- RT5682 ALSA SoC audio component driver
//
// Copyright 2018 Realtek Semiconductor Corp.
// Author: Bard Liao <bardliao@realtek.com>
//
#include <linux/module.h>
#include <linux/moduleparam.h>
#include <linux/init.h>
#include <linux/delay.h>
#include <linux/pm.h>
#include <linux/pm_runtime.h>
#include <linux/i2c.h>
#include <linux/platform_device.h>
#include <linux/spi/spi.h>
#include <linux/acpi.h>
#include <linux/gpio.h>
#include <linux/of_gpio.h>
#include <linux/mutex.h>
#include <sound/core.h>
#include <sound/pcm.h>
#include <sound/pcm_params.h>
#include <sound/jack.h>
#include <sound/soc.h>
#include <sound/soc-dapm.h>
#include <sound/initval.h>
#include <sound/tlv.h>
#include <sound/rt5682.h>
#include "rl6231.h"
#include "rt5682.h"
static const struct rt5682_platform_data i2s_default_platform_data = {
.dmic1_data_pin = RT5682_DMIC1_DATA_GPIO2,
.dmic1_clk_pin = RT5682_DMIC1_CLK_GPIO3,
.jd_src = RT5682_JD1,
.btndet_delay = 16,
.dai_clk_names[RT5682_DAI_WCLK_IDX] = "rt5682-dai-wclk",
.dai_clk_names[RT5682_DAI_BCLK_IDX] = "rt5682-dai-bclk",
};
static const struct regmap_config rt5682_regmap = {
.reg_bits = 16,
.val_bits = 16,
.max_register = RT5682_I2C_MODE,
.volatile_reg = rt5682_volatile_register,
.readable_reg = rt5682_readable_register,
.cache_type = REGCACHE_RBTREE,
.reg_defaults = rt5682_reg,
.num_reg_defaults = RT5682_REG_NUM,
.use_single_read = true,
.use_single_write = true,
};
static void rt5682_jd_check_handler(struct work_struct *work)
{
struct rt5682_priv *rt5682 = container_of(work, struct rt5682_priv,
jd_check_work.work);
if (snd_soc_component_read(rt5682->component, RT5682_AJD1_CTRL)
& RT5682_JDH_RS_MASK) {
/* jack out */
rt5682->jack_type = rt5682_headset_detect(rt5682->component, 0);
snd_soc_jack_report(rt5682->hs_jack, rt5682->jack_type,
SND_JACK_HEADSET |
SND_JACK_BTN_0 | SND_JACK_BTN_1 |
SND_JACK_BTN_2 | SND_JACK_BTN_3);
} else {
schedule_delayed_work(&rt5682->jd_check_work, 500);
}
}
static irqreturn_t rt5682_irq(int irq, void *data)
{
struct rt5682_priv *rt5682 = data;
mod_delayed_work(system_power_efficient_wq,
&rt5682->jack_detect_work, msecs_to_jiffies(250));
return IRQ_HANDLED;
}
static struct snd_soc_dai_driver rt5682_dai[] = {
{
.name = "rt5682-aif1",
.id = RT5682_AIF1,
.playback = {
.stream_name = "AIF1 Playback",
.channels_min = 1,
.channels_max = 2,
.rates = RT5682_STEREO_RATES,
.formats = RT5682_FORMATS,
},
.capture = {
.stream_name = "AIF1 Capture",
.channels_min = 1,
.channels_max = 2,
.rates = RT5682_STEREO_RATES,
.formats = RT5682_FORMATS,
},
.ops = &rt5682_aif1_dai_ops,
},
{
.name = "rt5682-aif2",
.id = RT5682_AIF2,
.capture = {
.stream_name = "AIF2 Capture",
.channels_min = 1,
.channels_max = 2,
.rates = RT5682_STEREO_RATES,
.formats = RT5682_FORMATS,
},
.ops = &rt5682_aif2_dai_ops,
},
};
static void rt5682_i2c_disable_regulators(void *data)
{
struct rt5682_priv *rt5682 = data;
regulator_bulk_disable(ARRAY_SIZE(rt5682->supplies), rt5682->supplies);
}
static int rt5682_i2c_probe(struct i2c_client *i2c,
const struct i2c_device_id *id)
{
struct rt5682_platform_data *pdata = dev_get_platdata(&i2c->dev);
struct rt5682_priv *rt5682;
int i, ret;
unsigned int val;
rt5682 = devm_kzalloc(&i2c->dev, sizeof(struct rt5682_priv),
GFP_KERNEL);
if (!rt5682)
return -ENOMEM;
i2c_set_clientdata(i2c, rt5682);
rt5682->pdata = i2s_default_platform_data;
if (pdata)
rt5682->pdata = *pdata;
else
rt5682_parse_dt(rt5682, &i2c->dev);
rt5682->regmap = devm_regmap_init_i2c(i2c, &rt5682_regmap);
if (IS_ERR(rt5682->regmap)) {
ret = PTR_ERR(rt5682->regmap);
dev_err(&i2c->dev, "Failed to allocate register map: %d\n",
ret);
return ret;
}
for (i = 0; i < ARRAY_SIZE(rt5682->supplies); i++)
rt5682->supplies[i].supply = rt5682_supply_names[i];
ret = devm_regulator_bulk_get(&i2c->dev, ARRAY_SIZE(rt5682->supplies),
rt5682->supplies);
if (ret) {
dev_err(&i2c->dev, "Failed to request supplies: %d\n", ret);
return ret;
}
ret = devm_add_action_or_reset(&i2c->dev, rt5682_i2c_disable_regulators,
rt5682);
if (ret)
return ret;
ret = regulator_bulk_enable(ARRAY_SIZE(rt5682->supplies),
rt5682->supplies);
if (ret) {
dev_err(&i2c->dev, "Failed to enable supplies: %d\n", ret);
return ret;
}
if (gpio_is_valid(rt5682->pdata.ldo1_en)) {
if (devm_gpio_request_one(&i2c->dev, rt5682->pdata.ldo1_en,
GPIOF_OUT_INIT_HIGH, "rt5682"))
dev_err(&i2c->dev, "Fail gpio_request gpio_ldo\n");
}
/* Sleep for 300 ms miniumum */
usleep_range(300000, 350000);
regmap_write(rt5682->regmap, RT5682_I2C_MODE, 0x1);
usleep_range(10000, 15000);
regmap_read(rt5682->regmap, RT5682_DEVICE_ID, &val);
if (val != DEVICE_ID) {
dev_err(&i2c->dev,
"Device with ID register %x is not rt5682\n", val);
return -ENODEV;
}
mutex_init(&rt5682->calibrate_mutex);
rt5682_calibrate(rt5682);
rt5682_apply_patch_list(rt5682, &i2c->dev);
regmap_write(rt5682->regmap, RT5682_DEPOP_1, 0x0000);
/* DMIC pin*/
if (rt5682->pdata.dmic1_data_pin != RT5682_DMIC1_NULL) {
switch (rt5682->pdata.dmic1_data_pin) {
case RT5682_DMIC1_DATA_GPIO2: /* share with LRCK2 */
regmap_update_bits(rt5682->regmap, RT5682_DMIC_CTRL_1,
RT5682_DMIC_1_DP_MASK, RT5682_DMIC_1_DP_GPIO2);
regmap_update_bits(rt5682->regmap, RT5682_GPIO_CTRL_1,
RT5682_GP2_PIN_MASK, RT5682_GP2_PIN_DMIC_SDA);
break;
case RT5682_DMIC1_DATA_GPIO5: /* share with DACDAT1 */
regmap_update_bits(rt5682->regmap, RT5682_DMIC_CTRL_1,
RT5682_DMIC_1_DP_MASK, RT5682_DMIC_1_DP_GPIO5);
regmap_update_bits(rt5682->regmap, RT5682_GPIO_CTRL_1,
RT5682_GP5_PIN_MASK, RT5682_GP5_PIN_DMIC_SDA);
break;
default:
dev_warn(&i2c->dev, "invalid DMIC_DAT pin\n");
break;
}
switch (rt5682->pdata.dmic1_clk_pin) {
case RT5682_DMIC1_CLK_GPIO1: /* share with IRQ */
regmap_update_bits(rt5682->regmap, RT5682_GPIO_CTRL_1,
RT5682_GP1_PIN_MASK, RT5682_GP1_PIN_DMIC_CLK);
break;
case RT5682_DMIC1_CLK_GPIO3: /* share with BCLK2 */
regmap_update_bits(rt5682->regmap, RT5682_GPIO_CTRL_1,
RT5682_GP3_PIN_MASK, RT5682_GP3_PIN_DMIC_CLK);
break;
default:
dev_warn(&i2c->dev, "invalid DMIC_CLK pin\n");
break;
}
}
regmap_update_bits(rt5682->regmap, RT5682_PWR_ANLG_1,
RT5682_LDO1_DVO_MASK | RT5682_HP_DRIVER_MASK,
RT5682_LDO1_DVO_12 | RT5682_HP_DRIVER_5X);
regmap_write(rt5682->regmap, RT5682_MICBIAS_2, 0x0080);
regmap_update_bits(rt5682->regmap, RT5682_GPIO_CTRL_1,
RT5682_GP4_PIN_MASK | RT5682_GP5_PIN_MASK,
RT5682_GP4_PIN_ADCDAT1 | RT5682_GP5_PIN_DACDAT1);
regmap_write(rt5682->regmap, RT5682_TEST_MODE_CTRL_1, 0x0000);
regmap_update_bits(rt5682->regmap, RT5682_BIAS_CUR_CTRL_8,
RT5682_HPA_CP_BIAS_CTRL_MASK, RT5682_HPA_CP_BIAS_3UA);
regmap_update_bits(rt5682->regmap, RT5682_CHARGE_PUMP_1,
RT5682_CP_CLK_HP_MASK, RT5682_CP_CLK_HP_300KHZ);
regmap_update_bits(rt5682->regmap, RT5682_HP_CHARGE_PUMP_1,
RT5682_PM_HP_MASK, RT5682_PM_HP_HV);
regmap_update_bits(rt5682->regmap, RT5682_DMIC_CTRL_1,
RT5682_FIFO_CLK_DIV_MASK, RT5682_FIFO_CLK_DIV_2);
INIT_DELAYED_WORK(&rt5682->jack_detect_work,
rt5682_jack_detect_handler);
INIT_DELAYED_WORK(&rt5682->jd_check_work,
rt5682_jd_check_handler);
if (i2c->irq) {
ret = devm_request_threaded_irq(&i2c->dev, i2c->irq, NULL,
rt5682_irq, IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING
| IRQF_ONESHOT, "rt5682", rt5682);
if (ret)
dev_err(&i2c->dev, "Failed to reguest IRQ: %d\n", ret);
}
return devm_snd_soc_register_component(&i2c->dev,
&rt5682_soc_component_dev,
rt5682_dai, ARRAY_SIZE(rt5682_dai));
}
static void rt5682_i2c_shutdown(struct i2c_client *client)
{
struct rt5682_priv *rt5682 = i2c_get_clientdata(client);
disable_irq(client->irq);
cancel_delayed_work_sync(&rt5682->jack_detect_work);
cancel_delayed_work_sync(&rt5682->jd_check_work);
rt5682_reset(rt5682);
}
static int rt5682_i2c_remove(struct i2c_client *client)
{
rt5682_i2c_shutdown(client);
return 0;
}
static const struct of_device_id rt5682_of_match[] = {
{.compatible = "realtek,rt5682i"},
{},
};
MODULE_DEVICE_TABLE(of, rt5682_of_match);
static const struct acpi_device_id rt5682_acpi_match[] = {
{"10EC5682", 0,},
{},
};
MODULE_DEVICE_TABLE(acpi, rt5682_acpi_match);
static const struct i2c_device_id rt5682_i2c_id[] = {
{"rt5682", 0},
{}
};
MODULE_DEVICE_TABLE(i2c, rt5682_i2c_id);
static struct i2c_driver rt5682_i2c_driver = {
.driver = {
.name = "rt5682",
.of_match_table = rt5682_of_match,
.acpi_match_table = rt5682_acpi_match,
.probe_type = PROBE_PREFER_ASYNCHRONOUS,
},
.probe = rt5682_i2c_probe,
.remove = rt5682_i2c_remove,
.shutdown = rt5682_i2c_shutdown,
.id_table = rt5682_i2c_id,
};
module_i2c_driver(rt5682_i2c_driver);
MODULE_DESCRIPTION("ASoC RT5682 driver");
MODULE_AUTHOR("Bard Liao <bardliao@realtek.com>");
MODULE_LICENSE("GPL v2");
|
