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9#include <sound/soc.h>
10#include <sound/tlv.h>
11#include <sound/soc-dapm.h>
12#include <sound/soc-dai.h>
13#include <sound/pcm.h>
14#include <sound/pcm_params.h>
15
16#include <linux/platform_device.h>
17#include <linux/of.h>
18#include <linux/clk.h>
19#include <linux/regmap.h>
20#include <linux/device.h>
21#include <linux/mfd/syscon.h>
22#include <linux/module.h>
23#include <linux/io.h>
24
25#include "inno_rk3036.h"
26
27struct rk3036_codec_priv {
28 void __iomem *base;
29 struct clk *pclk;
30 struct regmap *regmap;
31 struct device *dev;
32};
33
34static const DECLARE_TLV_DB_MINMAX(rk3036_codec_hp_tlv, -39, 0);
35
36static int rk3036_codec_antipop_info(struct snd_kcontrol *kcontrol,
37 struct snd_ctl_elem_info *uinfo)
38{
39 uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
40 uinfo->count = 2;
41 uinfo->value.integer.min = 0;
42 uinfo->value.integer.max = 1;
43
44 return 0;
45}
46
47static int rk3036_codec_antipop_get(struct snd_kcontrol *kcontrol,
48 struct snd_ctl_elem_value *ucontrol)
49{
50 struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
51 int val, ret, regval;
52
53 ret = snd_soc_component_read(component, INNO_R09, ®val);
54 if (ret)
55 return ret;
56 val = ((regval >> INNO_R09_HPL_ANITPOP_SHIFT) &
57 INNO_R09_HP_ANTIPOP_MSK) == INNO_R09_HP_ANTIPOP_ON;
58 ucontrol->value.integer.value[0] = val;
59
60 val = ((regval >> INNO_R09_HPR_ANITPOP_SHIFT) &
61 INNO_R09_HP_ANTIPOP_MSK) == INNO_R09_HP_ANTIPOP_ON;
62 ucontrol->value.integer.value[1] = val;
63
64 return 0;
65}
66
67static int rk3036_codec_antipop_put(struct snd_kcontrol *kcontrol,
68 struct snd_ctl_elem_value *ucontrol)
69{
70 struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
71 int val, ret, regmsk;
72
73 val = (ucontrol->value.integer.value[0] ?
74 INNO_R09_HP_ANTIPOP_ON : INNO_R09_HP_ANTIPOP_OFF) <<
75 INNO_R09_HPL_ANITPOP_SHIFT;
76 val |= (ucontrol->value.integer.value[1] ?
77 INNO_R09_HP_ANTIPOP_ON : INNO_R09_HP_ANTIPOP_OFF) <<
78 INNO_R09_HPR_ANITPOP_SHIFT;
79
80 regmsk = INNO_R09_HP_ANTIPOP_MSK << INNO_R09_HPL_ANITPOP_SHIFT |
81 INNO_R09_HP_ANTIPOP_MSK << INNO_R09_HPR_ANITPOP_SHIFT;
82
83 ret = snd_soc_component_update_bits(component, INNO_R09,
84 regmsk, val);
85 if (ret < 0)
86 return ret;
87
88 return 0;
89}
90
91#define SOC_RK3036_CODEC_ANTIPOP_DECL(xname) \
92{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
93 .info = rk3036_codec_antipop_info, .get = rk3036_codec_antipop_get, \
94 .put = rk3036_codec_antipop_put, }
95
96static const struct snd_kcontrol_new rk3036_codec_dapm_controls[] = {
97 SOC_DOUBLE_R_RANGE_TLV("Headphone Volume", INNO_R07, INNO_R08,
98 INNO_HP_GAIN_SHIFT, INNO_HP_GAIN_N39DB,
99 INNO_HP_GAIN_0DB, 0, rk3036_codec_hp_tlv),
100 SOC_DOUBLE("Zero Cross Switch", INNO_R06, INNO_R06_VOUTL_CZ_SHIFT,
101 INNO_R06_VOUTR_CZ_SHIFT, 1, 0),
102 SOC_DOUBLE("Headphone Switch", INNO_R09, INNO_R09_HPL_MUTE_SHIFT,
103 INNO_R09_HPR_MUTE_SHIFT, 1, 0),
104 SOC_RK3036_CODEC_ANTIPOP_DECL("Anti-pop Switch"),
105};
106
107static const struct snd_kcontrol_new rk3036_codec_hpl_mixer_controls[] = {
108 SOC_DAPM_SINGLE("DAC Left Out Switch", INNO_R09,
109 INNO_R09_DACL_SWITCH_SHIFT, 1, 0),
110};
111
112static const struct snd_kcontrol_new rk3036_codec_hpr_mixer_controls[] = {
113 SOC_DAPM_SINGLE("DAC Right Out Switch", INNO_R09,
114 INNO_R09_DACR_SWITCH_SHIFT, 1, 0),
115};
116
117static const struct snd_kcontrol_new rk3036_codec_hpl_switch_controls[] = {
118 SOC_DAPM_SINGLE("HP Left Out Switch", INNO_R05,
119 INNO_R05_HPL_WORK_SHIFT, 1, 0),
120};
121
122static const struct snd_kcontrol_new rk3036_codec_hpr_switch_controls[] = {
123 SOC_DAPM_SINGLE("HP Right Out Switch", INNO_R05,
124 INNO_R05_HPR_WORK_SHIFT, 1, 0),
125};
126
127static const struct snd_soc_dapm_widget rk3036_codec_dapm_widgets[] = {
128 SND_SOC_DAPM_SUPPLY_S("DAC PWR", 1, INNO_R06,
129 INNO_R06_DAC_EN_SHIFT, 0, NULL, 0),
130 SND_SOC_DAPM_SUPPLY_S("DACL VREF", 2, INNO_R04,
131 INNO_R04_DACL_VREF_SHIFT, 0, NULL, 0),
132 SND_SOC_DAPM_SUPPLY_S("DACR VREF", 2, INNO_R04,
133 INNO_R04_DACR_VREF_SHIFT, 0, NULL, 0),
134 SND_SOC_DAPM_SUPPLY_S("DACL HiLo VREF", 3, INNO_R06,
135 INNO_R06_DACL_HILO_VREF_SHIFT, 0, NULL, 0),
136 SND_SOC_DAPM_SUPPLY_S("DACR HiLo VREF", 3, INNO_R06,
137 INNO_R06_DACR_HILO_VREF_SHIFT, 0, NULL, 0),
138 SND_SOC_DAPM_SUPPLY_S("DACR CLK", 3, INNO_R04,
139 INNO_R04_DACR_CLK_SHIFT, 0, NULL, 0),
140 SND_SOC_DAPM_SUPPLY_S("DACL CLK", 3, INNO_R04,
141 INNO_R04_DACL_CLK_SHIFT, 0, NULL, 0),
142
143 SND_SOC_DAPM_DAC("DACL", "Left Playback", INNO_R04,
144 INNO_R04_DACL_SW_SHIFT, 0),
145 SND_SOC_DAPM_DAC("DACR", "Right Playback", INNO_R04,
146 INNO_R04_DACR_SW_SHIFT, 0),
147
148 SND_SOC_DAPM_MIXER("Left Headphone Mixer", SND_SOC_NOPM, 0, 0,
149 rk3036_codec_hpl_mixer_controls,
150 ARRAY_SIZE(rk3036_codec_hpl_mixer_controls)),
151 SND_SOC_DAPM_MIXER("Right Headphone Mixer", SND_SOC_NOPM, 0, 0,
152 rk3036_codec_hpr_mixer_controls,
153 ARRAY_SIZE(rk3036_codec_hpr_mixer_controls)),
154
155 SND_SOC_DAPM_PGA("HP Left Out", INNO_R05,
156 INNO_R05_HPL_EN_SHIFT, 0, NULL, 0),
157 SND_SOC_DAPM_PGA("HP Right Out", INNO_R05,
158 INNO_R05_HPR_EN_SHIFT, 0, NULL, 0),
159
160 SND_SOC_DAPM_MIXER("HP Left Switch", SND_SOC_NOPM, 0, 0,
161 rk3036_codec_hpl_switch_controls,
162 ARRAY_SIZE(rk3036_codec_hpl_switch_controls)),
163 SND_SOC_DAPM_MIXER("HP Right Switch", SND_SOC_NOPM, 0, 0,
164 rk3036_codec_hpr_switch_controls,
165 ARRAY_SIZE(rk3036_codec_hpr_switch_controls)),
166
167 SND_SOC_DAPM_OUTPUT("HPL"),
168 SND_SOC_DAPM_OUTPUT("HPR"),
169};
170
171static const struct snd_soc_dapm_route rk3036_codec_dapm_routes[] = {
172 {"DACL VREF", NULL, "DAC PWR"},
173 {"DACR VREF", NULL, "DAC PWR"},
174 {"DACL HiLo VREF", NULL, "DAC PWR"},
175 {"DACR HiLo VREF", NULL, "DAC PWR"},
176 {"DACL CLK", NULL, "DAC PWR"},
177 {"DACR CLK", NULL, "DAC PWR"},
178
179 {"DACL", NULL, "DACL VREF"},
180 {"DACL", NULL, "DACL HiLo VREF"},
181 {"DACL", NULL, "DACL CLK"},
182 {"DACR", NULL, "DACR VREF"},
183 {"DACR", NULL, "DACR HiLo VREF"},
184 {"DACR", NULL, "DACR CLK"},
185
186 {"Left Headphone Mixer", "DAC Left Out Switch", "DACL"},
187 {"Right Headphone Mixer", "DAC Right Out Switch", "DACR"},
188 {"HP Left Out", NULL, "Left Headphone Mixer"},
189 {"HP Right Out", NULL, "Right Headphone Mixer"},
190
191 {"HP Left Switch", "HP Left Out Switch", "HP Left Out"},
192 {"HP Right Switch", "HP Right Out Switch", "HP Right Out"},
193
194 {"HPL", NULL, "HP Left Switch"},
195 {"HPR", NULL, "HP Right Switch"},
196};
197
198static int rk3036_codec_dai_set_fmt(struct snd_soc_dai *dai, unsigned int fmt)
199{
200 struct snd_soc_component *component = dai->component;
201 unsigned int reg01_val = 0, reg02_val = 0, reg03_val = 0;
202
203 dev_dbg(component->dev, "rk3036_codec dai set fmt : %08x\n", fmt);
204
205 switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
206 case SND_SOC_DAIFMT_CBS_CFS:
207 reg01_val |= INNO_R01_PINDIR_IN_SLAVE |
208 INNO_R01_I2SMODE_SLAVE;
209 break;
210 case SND_SOC_DAIFMT_CBM_CFM:
211 reg01_val |= INNO_R01_PINDIR_OUT_MASTER |
212 INNO_R01_I2SMODE_MASTER;
213 break;
214 default:
215 dev_err(component->dev, "invalid fmt\n");
216 return -EINVAL;
217 }
218
219 switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
220 case SND_SOC_DAIFMT_DSP_A:
221 reg02_val |= INNO_R02_DACM_PCM;
222 break;
223 case SND_SOC_DAIFMT_I2S:
224 reg02_val |= INNO_R02_DACM_I2S;
225 break;
226 case SND_SOC_DAIFMT_RIGHT_J:
227 reg02_val |= INNO_R02_DACM_RJM;
228 break;
229 case SND_SOC_DAIFMT_LEFT_J:
230 reg02_val |= INNO_R02_DACM_LJM;
231 break;
232 default:
233 dev_err(component->dev, "set dai format failed\n");
234 return -EINVAL;
235 }
236
237 switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
238 case SND_SOC_DAIFMT_NB_NF:
239 reg02_val |= INNO_R02_LRCP_NORMAL;
240 reg03_val |= INNO_R03_BCP_NORMAL;
241 break;
242 case SND_SOC_DAIFMT_IB_IF:
243 reg02_val |= INNO_R02_LRCP_REVERSAL;
244 reg03_val |= INNO_R03_BCP_REVERSAL;
245 break;
246 case SND_SOC_DAIFMT_IB_NF:
247 reg02_val |= INNO_R02_LRCP_REVERSAL;
248 reg03_val |= INNO_R03_BCP_NORMAL;
249 break;
250 case SND_SOC_DAIFMT_NB_IF:
251 reg02_val |= INNO_R02_LRCP_NORMAL;
252 reg03_val |= INNO_R03_BCP_REVERSAL;
253 break;
254 default:
255 dev_err(component->dev, "set dai format failed\n");
256 return -EINVAL;
257 }
258
259 snd_soc_component_update_bits(component, INNO_R01, INNO_R01_I2SMODE_MSK |
260 INNO_R01_PINDIR_MSK, reg01_val);
261 snd_soc_component_update_bits(component, INNO_R02, INNO_R02_LRCP_MSK |
262 INNO_R02_DACM_MSK, reg02_val);
263 snd_soc_component_update_bits(component, INNO_R03, INNO_R03_BCP_MSK, reg03_val);
264
265 return 0;
266}
267
268static int rk3036_codec_dai_hw_params(struct snd_pcm_substream *substream,
269 struct snd_pcm_hw_params *hw_params,
270 struct snd_soc_dai *dai)
271{
272 struct snd_soc_component *component = dai->component;
273 unsigned int reg02_val = 0, reg03_val = 0;
274
275 switch (params_format(hw_params)) {
276 case SNDRV_PCM_FORMAT_S16_LE:
277 reg02_val |= INNO_R02_VWL_16BIT;
278 break;
279 case SNDRV_PCM_FORMAT_S20_3LE:
280 reg02_val |= INNO_R02_VWL_20BIT;
281 break;
282 case SNDRV_PCM_FORMAT_S24_LE:
283 reg02_val |= INNO_R02_VWL_24BIT;
284 break;
285 case SNDRV_PCM_FORMAT_S32_LE:
286 reg02_val |= INNO_R02_VWL_32BIT;
287 break;
288 default:
289 return -EINVAL;
290 }
291
292 reg02_val |= INNO_R02_LRCP_NORMAL;
293 reg03_val |= INNO_R03_FWL_32BIT | INNO_R03_DACR_WORK;
294
295 snd_soc_component_update_bits(component, INNO_R02, INNO_R02_LRCP_MSK |
296 INNO_R02_VWL_MSK, reg02_val);
297 snd_soc_component_update_bits(component, INNO_R03, INNO_R03_DACR_MSK |
298 INNO_R03_FWL_MSK, reg03_val);
299 return 0;
300}
301
302#define RK3036_CODEC_RATES (SNDRV_PCM_RATE_8000 | \
303 SNDRV_PCM_RATE_16000 | \
304 SNDRV_PCM_RATE_32000 | \
305 SNDRV_PCM_RATE_44100 | \
306 SNDRV_PCM_RATE_48000 | \
307 SNDRV_PCM_RATE_96000)
308
309#define RK3036_CODEC_FMTS (SNDRV_PCM_FMTBIT_S16_LE | \
310 SNDRV_PCM_FMTBIT_S20_3LE | \
311 SNDRV_PCM_FMTBIT_S24_LE | \
312 SNDRV_PCM_FMTBIT_S32_LE)
313
314static const struct snd_soc_dai_ops rk3036_codec_dai_ops = {
315 .set_fmt = rk3036_codec_dai_set_fmt,
316 .hw_params = rk3036_codec_dai_hw_params,
317};
318
319static struct snd_soc_dai_driver rk3036_codec_dai_driver[] = {
320 {
321 .name = "rk3036-codec-dai",
322 .playback = {
323 .stream_name = "Playback",
324 .channels_min = 1,
325 .channels_max = 2,
326 .rates = RK3036_CODEC_RATES,
327 .formats = RK3036_CODEC_FMTS,
328 },
329 .ops = &rk3036_codec_dai_ops,
330 .symmetric_rates = 1,
331 },
332};
333
334static void rk3036_codec_reset(struct snd_soc_component *component)
335{
336 snd_soc_component_write(component, INNO_R00,
337 INNO_R00_CSR_RESET | INNO_R00_CDCR_RESET);
338 snd_soc_component_write(component, INNO_R00,
339 INNO_R00_CSR_WORK | INNO_R00_CDCR_WORK);
340}
341
342static int rk3036_codec_probe(struct snd_soc_component *component)
343{
344 rk3036_codec_reset(component);
345 return 0;
346}
347
348static void rk3036_codec_remove(struct snd_soc_component *component)
349{
350 rk3036_codec_reset(component);
351}
352
353static int rk3036_codec_set_bias_level(struct snd_soc_component *component,
354 enum snd_soc_bias_level level)
355{
356 switch (level) {
357 case SND_SOC_BIAS_STANDBY:
358
359 snd_soc_component_write(component, INNO_R10, INNO_R10_MAX_CUR);
360
361 snd_soc_component_write(component, INNO_R06, INNO_R06_DAC_PRECHARGE);
362
363 break;
364
365 case SND_SOC_BIAS_OFF:
366
367 snd_soc_component_write(component, INNO_R10, INNO_R10_MAX_CUR);
368
369 snd_soc_component_write(component, INNO_R06, INNO_R06_DAC_DISCHARGE);
370
371 break;
372 default:
373 break;
374 }
375
376 return 0;
377}
378
379static const struct snd_soc_component_driver rk3036_codec_driver = {
380 .probe = rk3036_codec_probe,
381 .remove = rk3036_codec_remove,
382 .set_bias_level = rk3036_codec_set_bias_level,
383 .controls = rk3036_codec_dapm_controls,
384 .num_controls = ARRAY_SIZE(rk3036_codec_dapm_controls),
385 .dapm_routes = rk3036_codec_dapm_routes,
386 .num_dapm_routes = ARRAY_SIZE(rk3036_codec_dapm_routes),
387 .dapm_widgets = rk3036_codec_dapm_widgets,
388 .num_dapm_widgets = ARRAY_SIZE(rk3036_codec_dapm_widgets),
389 .idle_bias_on = 1,
390 .use_pmdown_time = 1,
391 .endianness = 1,
392 .non_legacy_dai_naming = 1,
393};
394
395static const struct regmap_config rk3036_codec_regmap_config = {
396 .reg_bits = 32,
397 .reg_stride = 4,
398 .val_bits = 32,
399};
400
401#define GRF_SOC_CON0 0x00140
402#define GRF_ACODEC_SEL (BIT(10) | BIT(16 + 10))
403
404static int rk3036_codec_platform_probe(struct platform_device *pdev)
405{
406 struct rk3036_codec_priv *priv;
407 struct device_node *of_node = pdev->dev.of_node;
408 struct resource *res;
409 void __iomem *base;
410 struct regmap *grf;
411 int ret;
412
413 priv = devm_kzalloc(&pdev->dev, sizeof(*priv), GFP_KERNEL);
414 if (!priv)
415 return -ENOMEM;
416
417 res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
418 base = devm_ioremap_resource(&pdev->dev, res);
419 if (IS_ERR(base))
420 return PTR_ERR(base);
421
422 priv->base = base;
423 priv->regmap = devm_regmap_init_mmio(&pdev->dev, priv->base,
424 &rk3036_codec_regmap_config);
425 if (IS_ERR(priv->regmap)) {
426 dev_err(&pdev->dev, "init regmap failed\n");
427 return PTR_ERR(priv->regmap);
428 }
429
430 grf = syscon_regmap_lookup_by_phandle(of_node, "rockchip,grf");
431 if (IS_ERR(grf)) {
432 dev_err(&pdev->dev, "needs 'rockchip,grf' property\n");
433 return PTR_ERR(grf);
434 }
435 ret = regmap_write(grf, GRF_SOC_CON0, GRF_ACODEC_SEL);
436 if (ret) {
437 dev_err(&pdev->dev, "Could not write to GRF: %d\n", ret);
438 return ret;
439 }
440
441 priv->pclk = devm_clk_get(&pdev->dev, "acodec_pclk");
442 if (IS_ERR(priv->pclk))
443 return PTR_ERR(priv->pclk);
444
445 ret = clk_prepare_enable(priv->pclk);
446 if (ret < 0) {
447 dev_err(&pdev->dev, "failed to enable clk\n");
448 return ret;
449 }
450
451 priv->dev = &pdev->dev;
452 dev_set_drvdata(&pdev->dev, priv);
453
454 ret = devm_snd_soc_register_component(&pdev->dev, &rk3036_codec_driver,
455 rk3036_codec_dai_driver,
456 ARRAY_SIZE(rk3036_codec_dai_driver));
457 if (ret) {
458 clk_disable_unprepare(priv->pclk);
459 dev_set_drvdata(&pdev->dev, NULL);
460 }
461
462 return ret;
463}
464
465static int rk3036_codec_platform_remove(struct platform_device *pdev)
466{
467 struct rk3036_codec_priv *priv = dev_get_drvdata(&pdev->dev);
468
469 clk_disable_unprepare(priv->pclk);
470
471 return 0;
472}
473
474static const struct of_device_id rk3036_codec_of_match[] = {
475 { .compatible = "rockchip,rk3036-codec", },
476 {}
477};
478MODULE_DEVICE_TABLE(of, rk3036_codec_of_match);
479
480static struct platform_driver rk3036_codec_platform_driver = {
481 .driver = {
482 .name = "rk3036-codec-platform",
483 .of_match_table = of_match_ptr(rk3036_codec_of_match),
484 },
485 .probe = rk3036_codec_platform_probe,
486 .remove = rk3036_codec_platform_remove,
487};
488
489module_platform_driver(rk3036_codec_platform_driver);
490
491MODULE_AUTHOR("Rockchip Inc.");
492MODULE_DESCRIPTION("Rockchip rk3036 codec driver");
493MODULE_LICENSE("GPL");
494
