xref: /linux/sound/soc/codecs/rt5514.c (revision ba6ec09911b805778a2fed6d626bfe77b011a717)
1  // SPDX-License-Identifier: GPL-2.0-only
2  /*
3   * rt5514.c  --  RT5514 ALSA SoC audio codec driver
4   *
5   * Copyright 2015 Realtek Semiconductor Corp.
6   * Author: Oder Chiou <oder_chiou@realtek.com>
7   */
8  
9  #include <linux/acpi.h>
10  #include <linux/fs.h>
11  #include <linux/module.h>
12  #include <linux/moduleparam.h>
13  #include <linux/init.h>
14  #include <linux/delay.h>
15  #include <linux/pm.h>
16  #include <linux/regmap.h>
17  #include <linux/i2c.h>
18  #include <linux/platform_device.h>
19  #include <linux/firmware.h>
20  #include <sound/core.h>
21  #include <sound/pcm.h>
22  #include <sound/pcm_params.h>
23  #include <sound/soc.h>
24  #include <sound/soc-dapm.h>
25  #include <sound/initval.h>
26  #include <sound/tlv.h>
27  
28  #include "rl6231.h"
29  #include "rt5514.h"
30  #if IS_ENABLED(CONFIG_SND_SOC_RT5514_SPI)
31  #include "rt5514-spi.h"
32  #endif
33  
34  static const struct reg_sequence rt5514_i2c_patch[] = {
35  	{0x1800101c, 0x00000000},
36  	{0x18001100, 0x0000031f},
37  	{0x18001104, 0x00000007},
38  	{0x18001108, 0x00000000},
39  	{0x1800110c, 0x00000000},
40  	{0x18001110, 0x00000000},
41  	{0x18001114, 0x00000001},
42  	{0x18001118, 0x00000000},
43  	{0x18002f08, 0x00000006},
44  	{0x18002f00, 0x00055149},
45  	{0x18002f00, 0x0005514b},
46  	{0x18002f00, 0x00055149},
47  	{0xfafafafa, 0x00000001},
48  	{0x18002f10, 0x00000001},
49  	{0x18002f10, 0x00000000},
50  	{0x18002f10, 0x00000001},
51  	{0xfafafafa, 0x00000001},
52  	{0x18002000, 0x000010ec},
53  	{0xfafafafa, 0x00000000},
54  };
55  
56  static const struct reg_sequence rt5514_patch[] = {
57  	{RT5514_DIG_IO_CTRL,		0x00000040},
58  	{RT5514_CLK_CTRL1,		0x38020041},
59  	{RT5514_SRC_CTRL,		0x44000eee},
60  	{RT5514_ANA_CTRL_LDO10,		0x00028604},
61  	{RT5514_ANA_CTRL_ADCFED,	0x00000800},
62  	{RT5514_ASRC_IN_CTRL1,		0x00000003},
63  	{RT5514_DOWNFILTER0_CTRL3,	0x10000342},
64  	{RT5514_DOWNFILTER1_CTRL3,	0x10000342},
65  };
66  
67  static const struct reg_default rt5514_reg[] = {
68  	{RT5514_RESET,			0x00000000},
69  	{RT5514_PWR_ANA1,		0x00808880},
70  	{RT5514_PWR_ANA2,		0x00220000},
71  	{RT5514_I2S_CTRL1,		0x00000330},
72  	{RT5514_I2S_CTRL2,		0x20000000},
73  	{RT5514_VAD_CTRL6,		0xc00007d2},
74  	{RT5514_EXT_VAD_CTRL,		0x80000080},
75  	{RT5514_DIG_IO_CTRL,		0x00000040},
76  	{RT5514_PAD_CTRL1,		0x00804000},
77  	{RT5514_DMIC_DATA_CTRL,		0x00000005},
78  	{RT5514_DIG_SOURCE_CTRL,	0x00000002},
79  	{RT5514_SRC_CTRL,		0x44000eee},
80  	{RT5514_DOWNFILTER2_CTRL1,	0x0000882f},
81  	{RT5514_PLL_SOURCE_CTRL,	0x00000004},
82  	{RT5514_CLK_CTRL1,		0x38020041},
83  	{RT5514_CLK_CTRL2,		0x00000000},
84  	{RT5514_PLL3_CALIB_CTRL1,	0x00400200},
85  	{RT5514_PLL3_CALIB_CTRL5,	0x40220012},
86  	{RT5514_DELAY_BUF_CTRL1,	0x7fff006a},
87  	{RT5514_DELAY_BUF_CTRL3,	0x00000000},
88  	{RT5514_ASRC_IN_CTRL1,		0x00000003},
89  	{RT5514_DOWNFILTER0_CTRL1,	0x00020c2f},
90  	{RT5514_DOWNFILTER0_CTRL2,	0x00020c2f},
91  	{RT5514_DOWNFILTER0_CTRL3,	0x10000342},
92  	{RT5514_DOWNFILTER1_CTRL1,	0x00020c2f},
93  	{RT5514_DOWNFILTER1_CTRL2,	0x00020c2f},
94  	{RT5514_DOWNFILTER1_CTRL3,	0x10000342},
95  	{RT5514_ANA_CTRL_LDO10,		0x00028604},
96  	{RT5514_ANA_CTRL_LDO18_16,	0x02000345},
97  	{RT5514_ANA_CTRL_ADC12,		0x0000a2a8},
98  	{RT5514_ANA_CTRL_ADC21,		0x00001180},
99  	{RT5514_ANA_CTRL_ADC22,		0x0000aaa8},
100  	{RT5514_ANA_CTRL_ADC23,		0x00151427},
101  	{RT5514_ANA_CTRL_MICBST,	0x00002000},
102  	{RT5514_ANA_CTRL_ADCFED,	0x00000800},
103  	{RT5514_ANA_CTRL_INBUF,		0x00000143},
104  	{RT5514_ANA_CTRL_VREF,		0x00008d50},
105  	{RT5514_ANA_CTRL_PLL3,		0x0000000e},
106  	{RT5514_ANA_CTRL_PLL1_1,	0x00000000},
107  	{RT5514_ANA_CTRL_PLL1_2,	0x00030220},
108  	{RT5514_DMIC_LP_CTRL,		0x00000000},
109  	{RT5514_MISC_CTRL_DSP,		0x00000000},
110  	{RT5514_DSP_CTRL1,		0x00055149},
111  	{RT5514_DSP_CTRL3,		0x00000006},
112  	{RT5514_DSP_CTRL4,		0x00000001},
113  	{RT5514_VENDOR_ID1,		0x00000001},
114  	{RT5514_VENDOR_ID2,		0x10ec5514},
115  };
116  
rt5514_enable_dsp_prepare(struct rt5514_priv * rt5514)117  static void rt5514_enable_dsp_prepare(struct rt5514_priv *rt5514)
118  {
119  	/* Reset */
120  	regmap_write(rt5514->i2c_regmap, 0x18002000, 0x000010ec);
121  	/* LDO_I_limit */
122  	regmap_write(rt5514->i2c_regmap, 0x18002200, 0x00028604);
123  	/* I2C bypass enable */
124  	regmap_write(rt5514->i2c_regmap, 0xfafafafa, 0x00000001);
125  	/* mini-core reset */
126  	regmap_write(rt5514->i2c_regmap, 0x18002f00, 0x0005514b);
127  	regmap_write(rt5514->i2c_regmap, 0x18002f00, 0x00055149);
128  	/* I2C bypass disable */
129  	regmap_write(rt5514->i2c_regmap, 0xfafafafa, 0x00000000);
130  	/* PIN config */
131  	regmap_write(rt5514->i2c_regmap, 0x18002070, 0x00000040);
132  	/* PLL3(QN)=RCOSC*(10+2) */
133  	regmap_write(rt5514->i2c_regmap, 0x18002240, 0x0000000a);
134  	/* PLL3 source=RCOSC, fsi=rt_clk */
135  	regmap_write(rt5514->i2c_regmap, 0x18002100, 0x0000000b);
136  	/* Power on RCOSC, pll3 */
137  	regmap_write(rt5514->i2c_regmap, 0x18002004, 0x00808b81);
138  	/* DSP clk source = pll3, ENABLE DSP clk */
139  	regmap_write(rt5514->i2c_regmap, 0x18002f08, 0x00000005);
140  	/* Enable DSP clk auto switch */
141  	regmap_write(rt5514->i2c_regmap, 0x18001114, 0x00000001);
142  	/* Reduce DSP power */
143  	regmap_write(rt5514->i2c_regmap, 0x18001118, 0x00000001);
144  }
145  
rt5514_volatile_register(struct device * dev,unsigned int reg)146  static bool rt5514_volatile_register(struct device *dev, unsigned int reg)
147  {
148  	switch (reg) {
149  	case RT5514_VENDOR_ID1:
150  	case RT5514_VENDOR_ID2:
151  		return true;
152  
153  	default:
154  		return false;
155  	}
156  }
157  
rt5514_readable_register(struct device * dev,unsigned int reg)158  static bool rt5514_readable_register(struct device *dev, unsigned int reg)
159  {
160  	switch (reg) {
161  	case RT5514_RESET:
162  	case RT5514_PWR_ANA1:
163  	case RT5514_PWR_ANA2:
164  	case RT5514_I2S_CTRL1:
165  	case RT5514_I2S_CTRL2:
166  	case RT5514_VAD_CTRL6:
167  	case RT5514_EXT_VAD_CTRL:
168  	case RT5514_DIG_IO_CTRL:
169  	case RT5514_PAD_CTRL1:
170  	case RT5514_DMIC_DATA_CTRL:
171  	case RT5514_DIG_SOURCE_CTRL:
172  	case RT5514_SRC_CTRL:
173  	case RT5514_DOWNFILTER2_CTRL1:
174  	case RT5514_PLL_SOURCE_CTRL:
175  	case RT5514_CLK_CTRL1:
176  	case RT5514_CLK_CTRL2:
177  	case RT5514_PLL3_CALIB_CTRL1:
178  	case RT5514_PLL3_CALIB_CTRL5:
179  	case RT5514_DELAY_BUF_CTRL1:
180  	case RT5514_DELAY_BUF_CTRL3:
181  	case RT5514_ASRC_IN_CTRL1:
182  	case RT5514_DOWNFILTER0_CTRL1:
183  	case RT5514_DOWNFILTER0_CTRL2:
184  	case RT5514_DOWNFILTER0_CTRL3:
185  	case RT5514_DOWNFILTER1_CTRL1:
186  	case RT5514_DOWNFILTER1_CTRL2:
187  	case RT5514_DOWNFILTER1_CTRL3:
188  	case RT5514_ANA_CTRL_LDO10:
189  	case RT5514_ANA_CTRL_LDO18_16:
190  	case RT5514_ANA_CTRL_ADC12:
191  	case RT5514_ANA_CTRL_ADC21:
192  	case RT5514_ANA_CTRL_ADC22:
193  	case RT5514_ANA_CTRL_ADC23:
194  	case RT5514_ANA_CTRL_MICBST:
195  	case RT5514_ANA_CTRL_ADCFED:
196  	case RT5514_ANA_CTRL_INBUF:
197  	case RT5514_ANA_CTRL_VREF:
198  	case RT5514_ANA_CTRL_PLL3:
199  	case RT5514_ANA_CTRL_PLL1_1:
200  	case RT5514_ANA_CTRL_PLL1_2:
201  	case RT5514_DMIC_LP_CTRL:
202  	case RT5514_MISC_CTRL_DSP:
203  	case RT5514_DSP_CTRL1:
204  	case RT5514_DSP_CTRL3:
205  	case RT5514_DSP_CTRL4:
206  	case RT5514_VENDOR_ID1:
207  	case RT5514_VENDOR_ID2:
208  		return true;
209  
210  	default:
211  		return false;
212  	}
213  }
214  
rt5514_i2c_readable_register(struct device * dev,unsigned int reg)215  static bool rt5514_i2c_readable_register(struct device *dev,
216  	unsigned int reg)
217  {
218  	switch (reg) {
219  	case RT5514_DSP_MAPPING | RT5514_RESET:
220  	case RT5514_DSP_MAPPING | RT5514_PWR_ANA1:
221  	case RT5514_DSP_MAPPING | RT5514_PWR_ANA2:
222  	case RT5514_DSP_MAPPING | RT5514_I2S_CTRL1:
223  	case RT5514_DSP_MAPPING | RT5514_I2S_CTRL2:
224  	case RT5514_DSP_MAPPING | RT5514_VAD_CTRL6:
225  	case RT5514_DSP_MAPPING | RT5514_EXT_VAD_CTRL:
226  	case RT5514_DSP_MAPPING | RT5514_DIG_IO_CTRL:
227  	case RT5514_DSP_MAPPING | RT5514_PAD_CTRL1:
228  	case RT5514_DSP_MAPPING | RT5514_DMIC_DATA_CTRL:
229  	case RT5514_DSP_MAPPING | RT5514_DIG_SOURCE_CTRL:
230  	case RT5514_DSP_MAPPING | RT5514_SRC_CTRL:
231  	case RT5514_DSP_MAPPING | RT5514_DOWNFILTER2_CTRL1:
232  	case RT5514_DSP_MAPPING | RT5514_PLL_SOURCE_CTRL:
233  	case RT5514_DSP_MAPPING | RT5514_CLK_CTRL1:
234  	case RT5514_DSP_MAPPING | RT5514_CLK_CTRL2:
235  	case RT5514_DSP_MAPPING | RT5514_PLL3_CALIB_CTRL1:
236  	case RT5514_DSP_MAPPING | RT5514_PLL3_CALIB_CTRL5:
237  	case RT5514_DSP_MAPPING | RT5514_DELAY_BUF_CTRL1:
238  	case RT5514_DSP_MAPPING | RT5514_DELAY_BUF_CTRL3:
239  	case RT5514_DSP_MAPPING | RT5514_ASRC_IN_CTRL1:
240  	case RT5514_DSP_MAPPING | RT5514_DOWNFILTER0_CTRL1:
241  	case RT5514_DSP_MAPPING | RT5514_DOWNFILTER0_CTRL2:
242  	case RT5514_DSP_MAPPING | RT5514_DOWNFILTER0_CTRL3:
243  	case RT5514_DSP_MAPPING | RT5514_DOWNFILTER1_CTRL1:
244  	case RT5514_DSP_MAPPING | RT5514_DOWNFILTER1_CTRL2:
245  	case RT5514_DSP_MAPPING | RT5514_DOWNFILTER1_CTRL3:
246  	case RT5514_DSP_MAPPING | RT5514_ANA_CTRL_LDO10:
247  	case RT5514_DSP_MAPPING | RT5514_ANA_CTRL_LDO18_16:
248  	case RT5514_DSP_MAPPING | RT5514_ANA_CTRL_ADC12:
249  	case RT5514_DSP_MAPPING | RT5514_ANA_CTRL_ADC21:
250  	case RT5514_DSP_MAPPING | RT5514_ANA_CTRL_ADC22:
251  	case RT5514_DSP_MAPPING | RT5514_ANA_CTRL_ADC23:
252  	case RT5514_DSP_MAPPING | RT5514_ANA_CTRL_MICBST:
253  	case RT5514_DSP_MAPPING | RT5514_ANA_CTRL_ADCFED:
254  	case RT5514_DSP_MAPPING | RT5514_ANA_CTRL_INBUF:
255  	case RT5514_DSP_MAPPING | RT5514_ANA_CTRL_VREF:
256  	case RT5514_DSP_MAPPING | RT5514_ANA_CTRL_PLL3:
257  	case RT5514_DSP_MAPPING | RT5514_ANA_CTRL_PLL1_1:
258  	case RT5514_DSP_MAPPING | RT5514_ANA_CTRL_PLL1_2:
259  	case RT5514_DSP_MAPPING | RT5514_DMIC_LP_CTRL:
260  	case RT5514_DSP_MAPPING | RT5514_MISC_CTRL_DSP:
261  	case RT5514_DSP_MAPPING | RT5514_DSP_CTRL1:
262  	case RT5514_DSP_MAPPING | RT5514_DSP_CTRL3:
263  	case RT5514_DSP_MAPPING | RT5514_DSP_CTRL4:
264  	case RT5514_DSP_MAPPING | RT5514_VENDOR_ID1:
265  	case RT5514_DSP_MAPPING | RT5514_VENDOR_ID2:
266  		return true;
267  
268  	default:
269  		return false;
270  	}
271  }
272  
273  /* {-3, 0, +3, +4.5, +7.5, +9.5, +12, +14, +17} dB */
274  static const DECLARE_TLV_DB_RANGE(bst_tlv,
275  	0, 2, TLV_DB_SCALE_ITEM(-300, 300, 0),
276  	3, 3, TLV_DB_SCALE_ITEM(450, 0, 0),
277  	4, 4, TLV_DB_SCALE_ITEM(750, 0, 0),
278  	5, 5, TLV_DB_SCALE_ITEM(950, 0, 0),
279  	6, 6, TLV_DB_SCALE_ITEM(1200, 0, 0),
280  	7, 7, TLV_DB_SCALE_ITEM(1400, 0, 0),
281  	8, 8, TLV_DB_SCALE_ITEM(1700, 0, 0)
282  );
283  
284  static const DECLARE_TLV_DB_SCALE(adc_vol_tlv, -1725, 75, 0);
285  
rt5514_dsp_voice_wake_up_get(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)286  static int rt5514_dsp_voice_wake_up_get(struct snd_kcontrol *kcontrol,
287  		struct snd_ctl_elem_value *ucontrol)
288  {
289  	struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
290  	struct rt5514_priv *rt5514 = snd_soc_component_get_drvdata(component);
291  
292  	ucontrol->value.integer.value[0] = rt5514->dsp_enabled;
293  
294  	return 0;
295  }
296  
rt5514_calibration(struct rt5514_priv * rt5514,bool on)297  static int rt5514_calibration(struct rt5514_priv *rt5514, bool on)
298  {
299  	if (on) {
300  		regmap_write(rt5514->regmap, RT5514_ANA_CTRL_PLL3, 0x0000000a);
301  		regmap_update_bits(rt5514->regmap, RT5514_PLL_SOURCE_CTRL, 0xf,
302  			0xa);
303  		regmap_update_bits(rt5514->regmap, RT5514_PWR_ANA1, 0x301,
304  			0x301);
305  		regmap_write(rt5514->regmap, RT5514_PLL3_CALIB_CTRL4,
306  			0x80000000 | rt5514->pll3_cal_value);
307  		regmap_write(rt5514->regmap, RT5514_PLL3_CALIB_CTRL1,
308  			0x8bb80800);
309  		regmap_update_bits(rt5514->regmap, RT5514_PLL3_CALIB_CTRL5,
310  			0xc0000000, 0x80000000);
311  		regmap_update_bits(rt5514->regmap, RT5514_PLL3_CALIB_CTRL5,
312  			0xc0000000, 0xc0000000);
313  	} else {
314  		regmap_update_bits(rt5514->regmap, RT5514_PLL3_CALIB_CTRL5,
315  			0xc0000000, 0x40000000);
316  		regmap_update_bits(rt5514->regmap, RT5514_PWR_ANA1, 0x301, 0);
317  		regmap_update_bits(rt5514->regmap, RT5514_PLL_SOURCE_CTRL, 0xf,
318  			0x4);
319  	}
320  
321  	return 0;
322  }
323  
rt5514_dsp_voice_wake_up_put(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)324  static int rt5514_dsp_voice_wake_up_put(struct snd_kcontrol *kcontrol,
325  		struct snd_ctl_elem_value *ucontrol)
326  {
327  	struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
328  	struct rt5514_priv *rt5514 = snd_soc_component_get_drvdata(component);
329  	const struct firmware *fw = NULL;
330  	u8 buf[8];
331  
332  	if (ucontrol->value.integer.value[0] == rt5514->dsp_enabled)
333  		return 0;
334  
335  	if (snd_soc_component_get_bias_level(component) == SND_SOC_BIAS_OFF) {
336  		rt5514->dsp_enabled = ucontrol->value.integer.value[0];
337  
338  		if (rt5514->dsp_enabled) {
339  			if (rt5514->pdata.dsp_calib_clk_name &&
340  				!IS_ERR(rt5514->dsp_calib_clk)) {
341  				if (clk_set_rate(rt5514->dsp_calib_clk,
342  					rt5514->pdata.dsp_calib_clk_rate))
343  					dev_err(component->dev,
344  						"Can't set rate for mclk");
345  
346  				if (clk_prepare_enable(rt5514->dsp_calib_clk))
347  					dev_err(component->dev,
348  						"Can't enable dsp_calib_clk");
349  
350  				rt5514_calibration(rt5514, true);
351  
352  				msleep(20);
353  #if IS_ENABLED(CONFIG_SND_SOC_RT5514_SPI)
354  				rt5514_spi_burst_read(RT5514_PLL3_CALIB_CTRL6 |
355  					RT5514_DSP_MAPPING, buf, sizeof(buf));
356  #else
357  				dev_err(component->dev, "There is no SPI driver for"
358  					" loading the firmware\n");
359  				memset(buf, 0, sizeof(buf));
360  #endif
361  				rt5514->pll3_cal_value = buf[0] | buf[1] << 8 |
362  					buf[2] << 16 | buf[3] << 24;
363  
364  				rt5514_calibration(rt5514, false);
365  				clk_disable_unprepare(rt5514->dsp_calib_clk);
366  			}
367  
368  			rt5514_enable_dsp_prepare(rt5514);
369  
370  			request_firmware(&fw, RT5514_FIRMWARE1, component->dev);
371  			if (fw) {
372  #if IS_ENABLED(CONFIG_SND_SOC_RT5514_SPI)
373  				rt5514_spi_burst_write(0x4ff60000, fw->data,
374  					((fw->size/8)+1)*8);
375  #else
376  				dev_err(component->dev, "There is no SPI driver for"
377  					" loading the firmware\n");
378  #endif
379  				release_firmware(fw);
380  				fw = NULL;
381  			}
382  
383  			request_firmware(&fw, RT5514_FIRMWARE2, component->dev);
384  			if (fw) {
385  #if IS_ENABLED(CONFIG_SND_SOC_RT5514_SPI)
386  				rt5514_spi_burst_write(0x4ffc0000, fw->data,
387  					((fw->size/8)+1)*8);
388  #else
389  				dev_err(component->dev, "There is no SPI driver for"
390  					" loading the firmware\n");
391  #endif
392  				release_firmware(fw);
393  				fw = NULL;
394  			}
395  
396  			/* DSP run */
397  			regmap_write(rt5514->i2c_regmap, 0x18002f00,
398  				0x00055148);
399  
400  			if (rt5514->pdata.dsp_calib_clk_name &&
401  				!IS_ERR(rt5514->dsp_calib_clk)) {
402  				msleep(20);
403  
404  				regmap_write(rt5514->i2c_regmap, 0x1800211c,
405  					rt5514->pll3_cal_value);
406  				regmap_write(rt5514->i2c_regmap, 0x18002124,
407  					0x00220012);
408  				regmap_write(rt5514->i2c_regmap, 0x18002124,
409  					0x80220042);
410  				regmap_write(rt5514->i2c_regmap, 0x18002124,
411  					0xe0220042);
412  			}
413  		} else {
414  			regmap_multi_reg_write(rt5514->i2c_regmap,
415  				rt5514_i2c_patch, ARRAY_SIZE(rt5514_i2c_patch));
416  			regcache_mark_dirty(rt5514->regmap);
417  			regcache_sync(rt5514->regmap);
418  		}
419  	}
420  
421  	return 1;
422  }
423  
424  static const struct snd_kcontrol_new rt5514_snd_controls[] = {
425  	SOC_DOUBLE_TLV("MIC Boost Volume", RT5514_ANA_CTRL_MICBST,
426  		RT5514_SEL_BSTL_SFT, RT5514_SEL_BSTR_SFT, 8, 0, bst_tlv),
427  	SOC_DOUBLE_R_TLV("ADC1 Capture Volume", RT5514_DOWNFILTER0_CTRL1,
428  		RT5514_DOWNFILTER0_CTRL2, RT5514_AD_GAIN_SFT, 63, 0,
429  		adc_vol_tlv),
430  	SOC_DOUBLE_R_TLV("ADC2 Capture Volume", RT5514_DOWNFILTER1_CTRL1,
431  		RT5514_DOWNFILTER1_CTRL2, RT5514_AD_GAIN_SFT, 63, 0,
432  		adc_vol_tlv),
433  	SOC_SINGLE_EXT("DSP Voice Wake Up", SND_SOC_NOPM, 0, 1, 0,
434  		rt5514_dsp_voice_wake_up_get, rt5514_dsp_voice_wake_up_put),
435  };
436  
437  /* ADC Mixer*/
438  static const struct snd_kcontrol_new rt5514_sto1_adc_l_mix[] = {
439  	SOC_DAPM_SINGLE("DMIC Switch", RT5514_DOWNFILTER0_CTRL1,
440  		RT5514_AD_DMIC_MIX_BIT, 1, 1),
441  	SOC_DAPM_SINGLE("ADC Switch", RT5514_DOWNFILTER0_CTRL1,
442  		RT5514_AD_AD_MIX_BIT, 1, 1),
443  };
444  
445  static const struct snd_kcontrol_new rt5514_sto1_adc_r_mix[] = {
446  	SOC_DAPM_SINGLE("DMIC Switch", RT5514_DOWNFILTER0_CTRL2,
447  		RT5514_AD_DMIC_MIX_BIT, 1, 1),
448  	SOC_DAPM_SINGLE("ADC Switch", RT5514_DOWNFILTER0_CTRL2,
449  		RT5514_AD_AD_MIX_BIT, 1, 1),
450  };
451  
452  static const struct snd_kcontrol_new rt5514_sto2_adc_l_mix[] = {
453  	SOC_DAPM_SINGLE("DMIC Switch", RT5514_DOWNFILTER1_CTRL1,
454  		RT5514_AD_DMIC_MIX_BIT, 1, 1),
455  	SOC_DAPM_SINGLE("ADC Switch", RT5514_DOWNFILTER1_CTRL1,
456  		RT5514_AD_AD_MIX_BIT, 1, 1),
457  };
458  
459  static const struct snd_kcontrol_new rt5514_sto2_adc_r_mix[] = {
460  	SOC_DAPM_SINGLE("DMIC Switch", RT5514_DOWNFILTER1_CTRL2,
461  		RT5514_AD_DMIC_MIX_BIT, 1, 1),
462  	SOC_DAPM_SINGLE("ADC Switch", RT5514_DOWNFILTER1_CTRL2,
463  		RT5514_AD_AD_MIX_BIT, 1, 1),
464  };
465  
466  /* DMIC Source */
467  static const char * const rt5514_dmic_src[] = {
468  	"DMIC1", "DMIC2"
469  };
470  
471  static SOC_ENUM_SINGLE_DECL(
472  	rt5514_stereo1_dmic_enum, RT5514_DIG_SOURCE_CTRL,
473  	RT5514_AD0_DMIC_INPUT_SEL_SFT, rt5514_dmic_src);
474  
475  static const struct snd_kcontrol_new rt5514_sto1_dmic_mux =
476  	SOC_DAPM_ENUM("Stereo1 DMIC Source", rt5514_stereo1_dmic_enum);
477  
478  static SOC_ENUM_SINGLE_DECL(
479  	rt5514_stereo2_dmic_enum, RT5514_DIG_SOURCE_CTRL,
480  	RT5514_AD1_DMIC_INPUT_SEL_SFT, rt5514_dmic_src);
481  
482  static const struct snd_kcontrol_new rt5514_sto2_dmic_mux =
483  	SOC_DAPM_ENUM("Stereo2 DMIC Source", rt5514_stereo2_dmic_enum);
484  
485  /**
486   * rt5514_calc_dmic_clk - Calculate the frequency divider parameter of dmic.
487   *
488   * @component: only used for dev_warn
489   * @rate: base clock rate.
490   *
491   * Choose divider parameter that gives the highest possible DMIC frequency in
492   * 1MHz - 3MHz range.
493   */
rt5514_calc_dmic_clk(struct snd_soc_component * component,int rate)494  static int rt5514_calc_dmic_clk(struct snd_soc_component *component, int rate)
495  {
496  	static const int div[] = {2, 3, 4, 8, 12, 16, 24, 32};
497  	int i;
498  
499  	if (rate < 1000000 * div[0]) {
500  		pr_warn("Base clock rate %d is too low\n", rate);
501  		return -EINVAL;
502  	}
503  
504  	for (i = 0; i < ARRAY_SIZE(div); i++) {
505  		/* find divider that gives DMIC frequency below 3.072MHz */
506  		if (3072000 * div[i] >= rate)
507  			return i;
508  	}
509  
510  	dev_warn(component->dev, "Base clock rate %d is too high\n", rate);
511  	return -EINVAL;
512  }
513  
rt5514_set_dmic_clk(struct snd_soc_dapm_widget * w,struct snd_kcontrol * kcontrol,int event)514  static int rt5514_set_dmic_clk(struct snd_soc_dapm_widget *w,
515  	struct snd_kcontrol *kcontrol, int event)
516  {
517  	struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
518  	struct rt5514_priv *rt5514 = snd_soc_component_get_drvdata(component);
519  	int idx;
520  
521  	idx = rt5514_calc_dmic_clk(component, rt5514->sysclk);
522  	if (idx < 0)
523  		dev_err(component->dev, "Failed to set DMIC clock\n");
524  	else
525  		regmap_update_bits(rt5514->regmap, RT5514_CLK_CTRL1,
526  			RT5514_CLK_DMIC_OUT_SEL_MASK,
527  			idx << RT5514_CLK_DMIC_OUT_SEL_SFT);
528  
529  	if (rt5514->pdata.dmic_init_delay)
530  		msleep(rt5514->pdata.dmic_init_delay);
531  
532  	return idx;
533  }
534  
rt5514_is_sys_clk_from_pll(struct snd_soc_dapm_widget * source,struct snd_soc_dapm_widget * sink)535  static int rt5514_is_sys_clk_from_pll(struct snd_soc_dapm_widget *source,
536  			 struct snd_soc_dapm_widget *sink)
537  {
538  	struct snd_soc_component *component = snd_soc_dapm_to_component(source->dapm);
539  	struct rt5514_priv *rt5514 = snd_soc_component_get_drvdata(component);
540  
541  	if (rt5514->sysclk_src == RT5514_SCLK_S_PLL1)
542  		return 1;
543  	else
544  		return 0;
545  }
546  
rt5514_i2s_use_asrc(struct snd_soc_dapm_widget * source,struct snd_soc_dapm_widget * sink)547  static int rt5514_i2s_use_asrc(struct snd_soc_dapm_widget *source,
548  	struct snd_soc_dapm_widget *sink)
549  {
550  	struct snd_soc_component *component = snd_soc_dapm_to_component(source->dapm);
551  	struct rt5514_priv *rt5514 = snd_soc_component_get_drvdata(component);
552  
553  	return (rt5514->sysclk > rt5514->lrck * 384);
554  }
555  
556  static const struct snd_soc_dapm_widget rt5514_dapm_widgets[] = {
557  	/* Input Lines */
558  	SND_SOC_DAPM_INPUT("DMIC1L"),
559  	SND_SOC_DAPM_INPUT("DMIC1R"),
560  	SND_SOC_DAPM_INPUT("DMIC2L"),
561  	SND_SOC_DAPM_INPUT("DMIC2R"),
562  
563  	SND_SOC_DAPM_INPUT("AMICL"),
564  	SND_SOC_DAPM_INPUT("AMICR"),
565  
566  	SND_SOC_DAPM_PGA("DMIC1", SND_SOC_NOPM, 0, 0, NULL, 0),
567  	SND_SOC_DAPM_PGA("DMIC2", SND_SOC_NOPM, 0, 0, NULL, 0),
568  
569  	SND_SOC_DAPM_SUPPLY_S("DMIC CLK", 1, SND_SOC_NOPM, 0, 0,
570  		rt5514_set_dmic_clk, SND_SOC_DAPM_PRE_PMU),
571  
572  	SND_SOC_DAPM_SUPPLY("ADC CLK", RT5514_CLK_CTRL1,
573  		RT5514_CLK_AD_ANA1_EN_BIT, 0, NULL, 0),
574  
575  	SND_SOC_DAPM_SUPPLY("LDO18 IN", RT5514_PWR_ANA1,
576  		RT5514_POW_LDO18_IN_BIT, 0, NULL, 0),
577  	SND_SOC_DAPM_SUPPLY("LDO18 ADC", RT5514_PWR_ANA1,
578  		RT5514_POW_LDO18_ADC_BIT, 0, NULL, 0),
579  	SND_SOC_DAPM_SUPPLY("LDO21", RT5514_PWR_ANA1, RT5514_POW_LDO21_BIT, 0,
580  		NULL, 0),
581  	SND_SOC_DAPM_SUPPLY("BG LDO18 IN", RT5514_PWR_ANA1,
582  		RT5514_POW_BG_LDO18_IN_BIT, 0, NULL, 0),
583  	SND_SOC_DAPM_SUPPLY("BG LDO21", RT5514_PWR_ANA1,
584  		RT5514_POW_BG_LDO21_BIT, 0, NULL, 0),
585  	SND_SOC_DAPM_SUPPLY("BG MBIAS", RT5514_PWR_ANA2,
586  		RT5514_POW_BG_MBIAS_BIT, 0, NULL, 0),
587  	SND_SOC_DAPM_SUPPLY("MBIAS", RT5514_PWR_ANA2, RT5514_POW_MBIAS_BIT, 0,
588  		NULL, 0),
589  	SND_SOC_DAPM_SUPPLY("VREF2", RT5514_PWR_ANA2, RT5514_POW_VREF2_BIT, 0,
590  		NULL, 0),
591  	SND_SOC_DAPM_SUPPLY("VREF1", RT5514_PWR_ANA2, RT5514_POW_VREF1_BIT, 0,
592  		NULL, 0),
593  	SND_SOC_DAPM_SUPPLY("ADC Power", SND_SOC_NOPM, 0, 0, NULL, 0),
594  
595  
596  	SND_SOC_DAPM_SUPPLY("LDO16L", RT5514_PWR_ANA2, RT5514_POWL_LDO16_BIT, 0,
597  		NULL, 0),
598  	SND_SOC_DAPM_SUPPLY("ADC1L", RT5514_PWR_ANA2, RT5514_POW_ADC1_L_BIT, 0,
599  		NULL, 0),
600  	SND_SOC_DAPM_SUPPLY("BSTL2", RT5514_PWR_ANA2, RT5514_POW2_BSTL_BIT, 0,
601  		NULL, 0),
602  	SND_SOC_DAPM_SUPPLY("BSTL", RT5514_PWR_ANA2, RT5514_POW_BSTL_BIT, 0,
603  		NULL, 0),
604  	SND_SOC_DAPM_SUPPLY("ADCFEDL", RT5514_PWR_ANA2, RT5514_POW_ADCFEDL_BIT,
605  		0, NULL, 0),
606  	SND_SOC_DAPM_SUPPLY("ADCL Power", SND_SOC_NOPM, 0, 0, NULL, 0),
607  
608  	SND_SOC_DAPM_SUPPLY("LDO16R", RT5514_PWR_ANA2, RT5514_POWR_LDO16_BIT, 0,
609  		NULL, 0),
610  	SND_SOC_DAPM_SUPPLY("ADC1R", RT5514_PWR_ANA2, RT5514_POW_ADC1_R_BIT, 0,
611  		NULL, 0),
612  	SND_SOC_DAPM_SUPPLY("BSTR2", RT5514_PWR_ANA2, RT5514_POW2_BSTR_BIT, 0,
613  		NULL, 0),
614  	SND_SOC_DAPM_SUPPLY("BSTR", RT5514_PWR_ANA2, RT5514_POW_BSTR_BIT, 0,
615  		NULL, 0),
616  	SND_SOC_DAPM_SUPPLY("ADCFEDR", RT5514_PWR_ANA2, RT5514_POW_ADCFEDR_BIT,
617  		0, NULL, 0),
618  	SND_SOC_DAPM_SUPPLY("ADCR Power", SND_SOC_NOPM, 0, 0, NULL, 0),
619  
620  	SND_SOC_DAPM_SUPPLY("PLL1 LDO ENABLE", RT5514_ANA_CTRL_PLL1_2,
621  		RT5514_EN_LDO_PLL1_BIT, 0, NULL, 0),
622  	SND_SOC_DAPM_SUPPLY("PLL1 LDO", RT5514_PWR_ANA2,
623  		RT5514_POW_PLL1_LDO_BIT, 0, NULL, 0),
624  	SND_SOC_DAPM_SUPPLY("PLL1", RT5514_PWR_ANA2, RT5514_POW_PLL1_BIT, 0,
625  		NULL, 0),
626  	SND_SOC_DAPM_SUPPLY_S("ASRC AD1", 1, RT5514_CLK_CTRL2,
627  		RT5514_CLK_AD0_ASRC_EN_BIT, 0, NULL, 0),
628  	SND_SOC_DAPM_SUPPLY_S("ASRC AD2", 1, RT5514_CLK_CTRL2,
629  		RT5514_CLK_AD1_ASRC_EN_BIT, 0, NULL, 0),
630  
631  	/* ADC Mux */
632  	SND_SOC_DAPM_MUX("Stereo1 DMIC Mux", SND_SOC_NOPM, 0, 0,
633  				&rt5514_sto1_dmic_mux),
634  	SND_SOC_DAPM_MUX("Stereo2 DMIC Mux", SND_SOC_NOPM, 0, 0,
635  				&rt5514_sto2_dmic_mux),
636  
637  	/* ADC Mixer */
638  	SND_SOC_DAPM_SUPPLY("adc stereo1 filter", RT5514_CLK_CTRL1,
639  		RT5514_CLK_AD0_EN_BIT, 0, NULL, 0),
640  	SND_SOC_DAPM_SUPPLY("adc stereo2 filter", RT5514_CLK_CTRL1,
641  		RT5514_CLK_AD1_EN_BIT, 0, NULL, 0),
642  
643  	SND_SOC_DAPM_MIXER("Sto1 ADC MIXL", SND_SOC_NOPM, 0, 0,
644  		rt5514_sto1_adc_l_mix, ARRAY_SIZE(rt5514_sto1_adc_l_mix)),
645  	SND_SOC_DAPM_MIXER("Sto1 ADC MIXR", SND_SOC_NOPM, 0, 0,
646  		rt5514_sto1_adc_r_mix, ARRAY_SIZE(rt5514_sto1_adc_r_mix)),
647  	SND_SOC_DAPM_MIXER("Sto2 ADC MIXL", SND_SOC_NOPM, 0, 0,
648  		rt5514_sto2_adc_l_mix, ARRAY_SIZE(rt5514_sto2_adc_l_mix)),
649  	SND_SOC_DAPM_MIXER("Sto2 ADC MIXR", SND_SOC_NOPM, 0, 0,
650  		rt5514_sto2_adc_r_mix, ARRAY_SIZE(rt5514_sto2_adc_r_mix)),
651  
652  	SND_SOC_DAPM_ADC("Stereo1 ADC MIXL", NULL, RT5514_DOWNFILTER0_CTRL1,
653  		RT5514_AD_AD_MUTE_BIT, 1),
654  	SND_SOC_DAPM_ADC("Stereo1 ADC MIXR", NULL, RT5514_DOWNFILTER0_CTRL2,
655  		RT5514_AD_AD_MUTE_BIT, 1),
656  	SND_SOC_DAPM_ADC("Stereo2 ADC MIXL", NULL, RT5514_DOWNFILTER1_CTRL1,
657  		RT5514_AD_AD_MUTE_BIT, 1),
658  	SND_SOC_DAPM_ADC("Stereo2 ADC MIXR", NULL, RT5514_DOWNFILTER1_CTRL2,
659  		RT5514_AD_AD_MUTE_BIT, 1),
660  
661  	/* ADC PGA */
662  	SND_SOC_DAPM_PGA("Stereo1 ADC MIX", SND_SOC_NOPM, 0, 0, NULL, 0),
663  	SND_SOC_DAPM_PGA("Stereo2 ADC MIX", SND_SOC_NOPM, 0, 0, NULL, 0),
664  
665  	/* Audio Interface */
666  	SND_SOC_DAPM_AIF_OUT("AIF1TX", "AIF1 Capture", 0, SND_SOC_NOPM, 0, 0),
667  };
668  
669  static const struct snd_soc_dapm_route rt5514_dapm_routes[] = {
670  	{ "DMIC1", NULL, "DMIC1L" },
671  	{ "DMIC1", NULL, "DMIC1R" },
672  	{ "DMIC2", NULL, "DMIC2L" },
673  	{ "DMIC2", NULL, "DMIC2R" },
674  
675  	{ "DMIC1L", NULL, "DMIC CLK" },
676  	{ "DMIC1R", NULL, "DMIC CLK" },
677  	{ "DMIC2L", NULL, "DMIC CLK" },
678  	{ "DMIC2R", NULL, "DMIC CLK" },
679  
680  	{ "Stereo1 DMIC Mux", "DMIC1", "DMIC1" },
681  	{ "Stereo1 DMIC Mux", "DMIC2", "DMIC2" },
682  
683  	{ "Sto1 ADC MIXL", "DMIC Switch", "Stereo1 DMIC Mux" },
684  	{ "Sto1 ADC MIXL", "ADC Switch", "AMICL" },
685  	{ "Sto1 ADC MIXR", "DMIC Switch", "Stereo1 DMIC Mux" },
686  	{ "Sto1 ADC MIXR", "ADC Switch", "AMICR" },
687  
688  	{ "ADC Power", NULL, "LDO18 IN" },
689  	{ "ADC Power", NULL, "LDO18 ADC" },
690  	{ "ADC Power", NULL, "LDO21" },
691  	{ "ADC Power", NULL, "BG LDO18 IN" },
692  	{ "ADC Power", NULL, "BG LDO21" },
693  	{ "ADC Power", NULL, "BG MBIAS" },
694  	{ "ADC Power", NULL, "MBIAS" },
695  	{ "ADC Power", NULL, "VREF2" },
696  	{ "ADC Power", NULL, "VREF1" },
697  
698  	{ "ADCL Power", NULL, "LDO16L" },
699  	{ "ADCL Power", NULL, "ADC1L" },
700  	{ "ADCL Power", NULL, "BSTL2" },
701  	{ "ADCL Power", NULL, "BSTL" },
702  	{ "ADCL Power", NULL, "ADCFEDL" },
703  
704  	{ "ADCR Power", NULL, "LDO16R" },
705  	{ "ADCR Power", NULL, "ADC1R" },
706  	{ "ADCR Power", NULL, "BSTR2" },
707  	{ "ADCR Power", NULL, "BSTR" },
708  	{ "ADCR Power", NULL, "ADCFEDR" },
709  
710  	{ "AMICL", NULL, "ADC CLK" },
711  	{ "AMICL", NULL, "ADC Power" },
712  	{ "AMICL", NULL, "ADCL Power" },
713  	{ "AMICR", NULL, "ADC CLK" },
714  	{ "AMICR", NULL, "ADC Power" },
715  	{ "AMICR", NULL, "ADCR Power" },
716  
717  	{ "PLL1 LDO", NULL, "PLL1 LDO ENABLE" },
718  	{ "PLL1", NULL, "PLL1 LDO" },
719  
720  	{ "Stereo1 ADC MIXL", NULL, "Sto1 ADC MIXL" },
721  	{ "Stereo1 ADC MIXR", NULL, "Sto1 ADC MIXR" },
722  
723  	{ "Stereo1 ADC MIX", NULL, "Stereo1 ADC MIXL" },
724  	{ "Stereo1 ADC MIX", NULL, "Stereo1 ADC MIXR" },
725  	{ "Stereo1 ADC MIX", NULL, "adc stereo1 filter" },
726  	{ "adc stereo1 filter", NULL, "PLL1", rt5514_is_sys_clk_from_pll },
727  	{ "adc stereo1 filter", NULL, "ASRC AD1", rt5514_i2s_use_asrc },
728  
729  	{ "Stereo2 DMIC Mux", "DMIC1", "DMIC1" },
730  	{ "Stereo2 DMIC Mux", "DMIC2", "DMIC2" },
731  
732  	{ "Sto2 ADC MIXL", "DMIC Switch", "Stereo2 DMIC Mux" },
733  	{ "Sto2 ADC MIXL", "ADC Switch", "AMICL" },
734  	{ "Sto2 ADC MIXR", "DMIC Switch", "Stereo2 DMIC Mux" },
735  	{ "Sto2 ADC MIXR", "ADC Switch", "AMICR" },
736  
737  	{ "Stereo2 ADC MIXL", NULL, "Sto2 ADC MIXL" },
738  	{ "Stereo2 ADC MIXR", NULL, "Sto2 ADC MIXR" },
739  
740  	{ "Stereo2 ADC MIX", NULL, "Stereo2 ADC MIXL" },
741  	{ "Stereo2 ADC MIX", NULL, "Stereo2 ADC MIXR" },
742  	{ "Stereo2 ADC MIX", NULL, "adc stereo2 filter" },
743  	{ "adc stereo2 filter", NULL, "PLL1", rt5514_is_sys_clk_from_pll },
744  	{ "adc stereo2 filter", NULL, "ASRC AD2", rt5514_i2s_use_asrc },
745  
746  	{ "AIF1TX", NULL, "Stereo1 ADC MIX"},
747  	{ "AIF1TX", NULL, "Stereo2 ADC MIX"},
748  };
749  
rt5514_hw_params(struct snd_pcm_substream * substream,struct snd_pcm_hw_params * params,struct snd_soc_dai * dai)750  static int rt5514_hw_params(struct snd_pcm_substream *substream,
751  	struct snd_pcm_hw_params *params, struct snd_soc_dai *dai)
752  {
753  	struct snd_soc_component *component = dai->component;
754  	struct rt5514_priv *rt5514 = snd_soc_component_get_drvdata(component);
755  	int pre_div, bclk_ms, frame_size;
756  	unsigned int val_len = 0;
757  
758  	rt5514->lrck = params_rate(params);
759  	pre_div = rl6231_get_clk_info(rt5514->sysclk, rt5514->lrck);
760  	if (pre_div < 0) {
761  		dev_err(component->dev, "Unsupported clock setting\n");
762  		return -EINVAL;
763  	}
764  
765  	frame_size = snd_soc_params_to_frame_size(params);
766  	if (frame_size < 0) {
767  		dev_err(component->dev, "Unsupported frame size: %d\n", frame_size);
768  		return -EINVAL;
769  	}
770  
771  	bclk_ms = frame_size > 32;
772  	rt5514->bclk = rt5514->lrck * (32 << bclk_ms);
773  
774  	dev_dbg(dai->dev, "bclk is %dHz and lrck is %dHz\n",
775  		rt5514->bclk, rt5514->lrck);
776  	dev_dbg(dai->dev, "bclk_ms is %d and pre_div is %d for iis %d\n",
777  				bclk_ms, pre_div, dai->id);
778  
779  	switch (params_format(params)) {
780  	case SNDRV_PCM_FORMAT_S16_LE:
781  		break;
782  	case SNDRV_PCM_FORMAT_S20_3LE:
783  		val_len = RT5514_I2S_DL_20;
784  		break;
785  	case SNDRV_PCM_FORMAT_S24_LE:
786  		val_len = RT5514_I2S_DL_24;
787  		break;
788  	case SNDRV_PCM_FORMAT_S8:
789  		val_len = RT5514_I2S_DL_8;
790  		break;
791  	default:
792  		return -EINVAL;
793  	}
794  
795  	regmap_update_bits(rt5514->regmap, RT5514_I2S_CTRL1, RT5514_I2S_DL_MASK,
796  		val_len);
797  	regmap_update_bits(rt5514->regmap, RT5514_CLK_CTRL1,
798  		RT5514_CLK_AD_ANA1_SEL_MASK,
799  		(pre_div + 1) << RT5514_CLK_AD_ANA1_SEL_SFT);
800  	regmap_update_bits(rt5514->regmap, RT5514_CLK_CTRL2,
801  		RT5514_CLK_SYS_DIV_OUT_MASK | RT5514_SEL_ADC_OSR_MASK,
802  		pre_div << RT5514_CLK_SYS_DIV_OUT_SFT |
803  		pre_div << RT5514_SEL_ADC_OSR_SFT);
804  
805  	return 0;
806  }
807  
rt5514_set_dai_fmt(struct snd_soc_dai * dai,unsigned int fmt)808  static int rt5514_set_dai_fmt(struct snd_soc_dai *dai, unsigned int fmt)
809  {
810  	struct snd_soc_component *component = dai->component;
811  	struct rt5514_priv *rt5514 = snd_soc_component_get_drvdata(component);
812  	unsigned int reg_val = 0;
813  
814  	switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
815  	case SND_SOC_DAIFMT_NB_NF:
816  		break;
817  
818  	case SND_SOC_DAIFMT_NB_IF:
819  		reg_val |= RT5514_I2S_LR_INV;
820  		break;
821  
822  	case SND_SOC_DAIFMT_IB_NF:
823  		reg_val |= RT5514_I2S_BP_INV;
824  		break;
825  
826  	case SND_SOC_DAIFMT_IB_IF:
827  		reg_val |= RT5514_I2S_BP_INV | RT5514_I2S_LR_INV;
828  		break;
829  
830  	default:
831  		return -EINVAL;
832  	}
833  
834  	switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
835  	case SND_SOC_DAIFMT_I2S:
836  		break;
837  
838  	case SND_SOC_DAIFMT_LEFT_J:
839  		reg_val |= RT5514_I2S_DF_LEFT;
840  		break;
841  
842  	case SND_SOC_DAIFMT_DSP_A:
843  		reg_val |= RT5514_I2S_DF_PCM_A;
844  		break;
845  
846  	case SND_SOC_DAIFMT_DSP_B:
847  		reg_val |= RT5514_I2S_DF_PCM_B;
848  		break;
849  
850  	default:
851  		return -EINVAL;
852  	}
853  
854  	regmap_update_bits(rt5514->regmap, RT5514_I2S_CTRL1,
855  		RT5514_I2S_DF_MASK | RT5514_I2S_BP_MASK | RT5514_I2S_LR_MASK,
856  		reg_val);
857  
858  	return 0;
859  }
860  
rt5514_set_dai_sysclk(struct snd_soc_dai * dai,int clk_id,unsigned int freq,int dir)861  static int rt5514_set_dai_sysclk(struct snd_soc_dai *dai,
862  		int clk_id, unsigned int freq, int dir)
863  {
864  	struct snd_soc_component *component = dai->component;
865  	struct rt5514_priv *rt5514 = snd_soc_component_get_drvdata(component);
866  	unsigned int reg_val = 0;
867  
868  	if (freq == rt5514->sysclk && clk_id == rt5514->sysclk_src)
869  		return 0;
870  
871  	switch (clk_id) {
872  	case RT5514_SCLK_S_MCLK:
873  		reg_val |= RT5514_CLK_SYS_PRE_SEL_MCLK;
874  		break;
875  
876  	case RT5514_SCLK_S_PLL1:
877  		reg_val |= RT5514_CLK_SYS_PRE_SEL_PLL;
878  		break;
879  
880  	default:
881  		dev_err(component->dev, "Invalid clock id (%d)\n", clk_id);
882  		return -EINVAL;
883  	}
884  
885  	regmap_update_bits(rt5514->regmap, RT5514_CLK_CTRL2,
886  		RT5514_CLK_SYS_PRE_SEL_MASK, reg_val);
887  
888  	rt5514->sysclk = freq;
889  	rt5514->sysclk_src = clk_id;
890  
891  	dev_dbg(dai->dev, "Sysclk is %dHz and clock id is %d\n", freq, clk_id);
892  
893  	return 0;
894  }
895  
rt5514_set_dai_pll(struct snd_soc_dai * dai,int pll_id,int source,unsigned int freq_in,unsigned int freq_out)896  static int rt5514_set_dai_pll(struct snd_soc_dai *dai, int pll_id, int source,
897  			unsigned int freq_in, unsigned int freq_out)
898  {
899  	struct snd_soc_component *component = dai->component;
900  	struct rt5514_priv *rt5514 = snd_soc_component_get_drvdata(component);
901  	struct rl6231_pll_code pll_code;
902  	int ret;
903  
904  	if (!freq_in || !freq_out) {
905  		dev_dbg(component->dev, "PLL disabled\n");
906  
907  		rt5514->pll_in = 0;
908  		rt5514->pll_out = 0;
909  		regmap_update_bits(rt5514->regmap, RT5514_CLK_CTRL2,
910  			RT5514_CLK_SYS_PRE_SEL_MASK,
911  			RT5514_CLK_SYS_PRE_SEL_MCLK);
912  
913  		return 0;
914  	}
915  
916  	if (source == rt5514->pll_src && freq_in == rt5514->pll_in &&
917  	    freq_out == rt5514->pll_out)
918  		return 0;
919  
920  	switch (source) {
921  	case RT5514_PLL1_S_MCLK:
922  		regmap_update_bits(rt5514->regmap, RT5514_PLL_SOURCE_CTRL,
923  			RT5514_PLL_1_SEL_MASK, RT5514_PLL_1_SEL_MCLK);
924  		break;
925  
926  	case RT5514_PLL1_S_BCLK:
927  		regmap_update_bits(rt5514->regmap, RT5514_PLL_SOURCE_CTRL,
928  			RT5514_PLL_1_SEL_MASK, RT5514_PLL_1_SEL_SCLK);
929  		break;
930  
931  	default:
932  		dev_err(component->dev, "Unknown PLL source %d\n", source);
933  		return -EINVAL;
934  	}
935  
936  	ret = rl6231_pll_calc(freq_in, freq_out, &pll_code);
937  	if (ret < 0) {
938  		dev_err(component->dev, "Unsupported input clock %d\n", freq_in);
939  		return ret;
940  	}
941  
942  	dev_dbg(component->dev, "bypass=%d m=%d n=%d k=%d\n",
943  		pll_code.m_bp, (pll_code.m_bp ? 0 : pll_code.m_code),
944  		pll_code.n_code, pll_code.k_code);
945  
946  	regmap_write(rt5514->regmap, RT5514_ANA_CTRL_PLL1_1,
947  		pll_code.k_code << RT5514_PLL_K_SFT |
948  		pll_code.n_code << RT5514_PLL_N_SFT |
949  		(pll_code.m_bp ? 0 : pll_code.m_code) << RT5514_PLL_M_SFT);
950  	regmap_update_bits(rt5514->regmap, RT5514_ANA_CTRL_PLL1_2,
951  		RT5514_PLL_M_BP, pll_code.m_bp << RT5514_PLL_M_BP_SFT);
952  
953  	rt5514->pll_in = freq_in;
954  	rt5514->pll_out = freq_out;
955  	rt5514->pll_src = source;
956  
957  	return 0;
958  }
959  
rt5514_set_tdm_slot(struct snd_soc_dai * dai,unsigned int tx_mask,unsigned int rx_mask,int slots,int slot_width)960  static int rt5514_set_tdm_slot(struct snd_soc_dai *dai, unsigned int tx_mask,
961  			unsigned int rx_mask, int slots, int slot_width)
962  {
963  	struct snd_soc_component *component = dai->component;
964  	struct rt5514_priv *rt5514 = snd_soc_component_get_drvdata(component);
965  	unsigned int val = 0, val2 = 0;
966  
967  	if (rx_mask || tx_mask)
968  		val |= RT5514_TDM_MODE;
969  
970  	switch (tx_mask) {
971  	case 0x3:
972  		val2 |= RT5514_TDM_DOCKING_MODE | RT5514_TDM_DOCKING_VALID_CH2 |
973  			RT5514_TDM_DOCKING_START_SLOT0;
974  		break;
975  
976  	case 0x30:
977  		val2 |= RT5514_TDM_DOCKING_MODE | RT5514_TDM_DOCKING_VALID_CH2 |
978  			RT5514_TDM_DOCKING_START_SLOT4;
979  		break;
980  
981  	case 0xf:
982  		val2 |= RT5514_TDM_DOCKING_MODE | RT5514_TDM_DOCKING_VALID_CH4 |
983  			RT5514_TDM_DOCKING_START_SLOT0;
984  		break;
985  
986  	case 0xf0:
987  		val2 |= RT5514_TDM_DOCKING_MODE | RT5514_TDM_DOCKING_VALID_CH4 |
988  			RT5514_TDM_DOCKING_START_SLOT4;
989  		break;
990  
991  	default:
992  		break;
993  	}
994  
995  
996  
997  	switch (slots) {
998  	case 4:
999  		val |= RT5514_TDMSLOT_SEL_RX_4CH | RT5514_TDMSLOT_SEL_TX_4CH;
1000  		break;
1001  
1002  	case 6:
1003  		val |= RT5514_TDMSLOT_SEL_RX_6CH | RT5514_TDMSLOT_SEL_TX_6CH;
1004  		break;
1005  
1006  	case 8:
1007  		val |= RT5514_TDMSLOT_SEL_RX_8CH | RT5514_TDMSLOT_SEL_TX_8CH;
1008  		break;
1009  
1010  	case 2:
1011  	default:
1012  		break;
1013  	}
1014  
1015  	switch (slot_width) {
1016  	case 20:
1017  		val |= RT5514_CH_LEN_RX_20 | RT5514_CH_LEN_TX_20;
1018  		break;
1019  
1020  	case 24:
1021  		val |= RT5514_CH_LEN_RX_24 | RT5514_CH_LEN_TX_24;
1022  		break;
1023  
1024  	case 25:
1025  		val |= RT5514_TDM_MODE2;
1026  		break;
1027  
1028  	case 32:
1029  		val |= RT5514_CH_LEN_RX_32 | RT5514_CH_LEN_TX_32;
1030  		break;
1031  
1032  	case 16:
1033  	default:
1034  		break;
1035  	}
1036  
1037  	regmap_update_bits(rt5514->regmap, RT5514_I2S_CTRL1, RT5514_TDM_MODE |
1038  		RT5514_TDMSLOT_SEL_RX_MASK | RT5514_TDMSLOT_SEL_TX_MASK |
1039  		RT5514_CH_LEN_RX_MASK | RT5514_CH_LEN_TX_MASK |
1040  		RT5514_TDM_MODE2, val);
1041  
1042  	regmap_update_bits(rt5514->regmap, RT5514_I2S_CTRL2,
1043  		RT5514_TDM_DOCKING_MODE | RT5514_TDM_DOCKING_VALID_CH_MASK |
1044  		RT5514_TDM_DOCKING_START_MASK, val2);
1045  
1046  	return 0;
1047  }
1048  
rt5514_set_bias_level(struct snd_soc_component * component,enum snd_soc_bias_level level)1049  static int rt5514_set_bias_level(struct snd_soc_component *component,
1050  			enum snd_soc_bias_level level)
1051  {
1052  	struct rt5514_priv *rt5514 = snd_soc_component_get_drvdata(component);
1053  	int ret;
1054  
1055  	switch (level) {
1056  	case SND_SOC_BIAS_PREPARE:
1057  		if (snd_soc_component_get_bias_level(component) == SND_SOC_BIAS_ON) {
1058  			clk_disable_unprepare(rt5514->mclk);
1059  		} else {
1060  			ret = clk_prepare_enable(rt5514->mclk);
1061  			if (ret)
1062  				return ret;
1063  		}
1064  		break;
1065  
1066  	case SND_SOC_BIAS_STANDBY:
1067  		if (snd_soc_component_get_bias_level(component) == SND_SOC_BIAS_OFF) {
1068  			/*
1069  			 * If the DSP is enabled in start of recording, the DSP
1070  			 * should be disabled, and sync back to normal recording
1071  			 * settings to make sure recording properly.
1072  			 */
1073  			if (rt5514->dsp_enabled) {
1074  				rt5514->dsp_enabled = 0;
1075  				regmap_multi_reg_write(rt5514->i2c_regmap,
1076  					rt5514_i2c_patch,
1077  					ARRAY_SIZE(rt5514_i2c_patch));
1078  				regcache_mark_dirty(rt5514->regmap);
1079  				regcache_sync(rt5514->regmap);
1080  			}
1081  		}
1082  		break;
1083  
1084  	default:
1085  		break;
1086  	}
1087  
1088  	return 0;
1089  }
1090  
rt5514_probe(struct snd_soc_component * component)1091  static int rt5514_probe(struct snd_soc_component *component)
1092  {
1093  	struct rt5514_priv *rt5514 = snd_soc_component_get_drvdata(component);
1094  	struct platform_device *pdev = to_platform_device(component->dev);
1095  
1096  	rt5514->mclk = devm_clk_get_optional(component->dev, "mclk");
1097  	if (IS_ERR(rt5514->mclk))
1098  		return PTR_ERR(rt5514->mclk);
1099  
1100  	if (rt5514->pdata.dsp_calib_clk_name) {
1101  		rt5514->dsp_calib_clk = devm_clk_get(&pdev->dev,
1102  				rt5514->pdata.dsp_calib_clk_name);
1103  		if (PTR_ERR(rt5514->dsp_calib_clk) == -EPROBE_DEFER)
1104  			return -EPROBE_DEFER;
1105  	}
1106  
1107  	rt5514->component = component;
1108  	rt5514->pll3_cal_value = 0x0078b000;
1109  
1110  	return 0;
1111  }
1112  
rt5514_i2c_read(void * context,unsigned int reg,unsigned int * val)1113  static int rt5514_i2c_read(void *context, unsigned int reg, unsigned int *val)
1114  {
1115  	struct i2c_client *client = context;
1116  	struct rt5514_priv *rt5514 = i2c_get_clientdata(client);
1117  
1118  	regmap_read(rt5514->i2c_regmap, reg | RT5514_DSP_MAPPING, val);
1119  
1120  	return 0;
1121  }
1122  
rt5514_i2c_write(void * context,unsigned int reg,unsigned int val)1123  static int rt5514_i2c_write(void *context, unsigned int reg, unsigned int val)
1124  {
1125  	struct i2c_client *client = context;
1126  	struct rt5514_priv *rt5514 = i2c_get_clientdata(client);
1127  
1128  	regmap_write(rt5514->i2c_regmap, reg | RT5514_DSP_MAPPING, val);
1129  
1130  	return 0;
1131  }
1132  
1133  #define RT5514_STEREO_RATES SNDRV_PCM_RATE_8000_192000
1134  #define RT5514_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE | \
1135  			SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S8)
1136  
1137  static const struct snd_soc_dai_ops rt5514_aif_dai_ops = {
1138  	.hw_params = rt5514_hw_params,
1139  	.set_fmt = rt5514_set_dai_fmt,
1140  	.set_sysclk = rt5514_set_dai_sysclk,
1141  	.set_pll = rt5514_set_dai_pll,
1142  	.set_tdm_slot = rt5514_set_tdm_slot,
1143  };
1144  
1145  static struct snd_soc_dai_driver rt5514_dai[] = {
1146  	{
1147  		.name = "rt5514-aif1",
1148  		.id = 0,
1149  		.capture = {
1150  			.stream_name = "AIF1 Capture",
1151  			.channels_min = 1,
1152  			.channels_max = 4,
1153  			.rates = RT5514_STEREO_RATES,
1154  			.formats = RT5514_FORMATS,
1155  		},
1156  		.ops = &rt5514_aif_dai_ops,
1157  	}
1158  };
1159  
1160  static const struct snd_soc_component_driver soc_component_dev_rt5514 = {
1161  	.probe			= rt5514_probe,
1162  	.set_bias_level		= rt5514_set_bias_level,
1163  	.controls		= rt5514_snd_controls,
1164  	.num_controls		= ARRAY_SIZE(rt5514_snd_controls),
1165  	.dapm_widgets		= rt5514_dapm_widgets,
1166  	.num_dapm_widgets	= ARRAY_SIZE(rt5514_dapm_widgets),
1167  	.dapm_routes		= rt5514_dapm_routes,
1168  	.num_dapm_routes	= ARRAY_SIZE(rt5514_dapm_routes),
1169  	.use_pmdown_time	= 1,
1170  	.endianness		= 1,
1171  };
1172  
1173  static const struct regmap_config rt5514_i2c_regmap = {
1174  	.name = "i2c",
1175  	.reg_bits = 32,
1176  	.val_bits = 32,
1177  
1178  	.readable_reg = rt5514_i2c_readable_register,
1179  
1180  	.cache_type = REGCACHE_NONE,
1181  };
1182  
1183  static const struct regmap_config rt5514_regmap = {
1184  	.reg_bits = 16,
1185  	.val_bits = 32,
1186  
1187  	.max_register = RT5514_VENDOR_ID2,
1188  	.volatile_reg = rt5514_volatile_register,
1189  	.readable_reg = rt5514_readable_register,
1190  	.reg_read = rt5514_i2c_read,
1191  	.reg_write = rt5514_i2c_write,
1192  
1193  	.cache_type = REGCACHE_MAPLE,
1194  	.reg_defaults = rt5514_reg,
1195  	.num_reg_defaults = ARRAY_SIZE(rt5514_reg),
1196  	.use_single_read = true,
1197  	.use_single_write = true,
1198  };
1199  
1200  static const struct i2c_device_id rt5514_i2c_id[] = {
1201  	{ "rt5514" },
1202  	{ }
1203  };
1204  MODULE_DEVICE_TABLE(i2c, rt5514_i2c_id);
1205  
1206  #if defined(CONFIG_OF)
1207  static const struct of_device_id rt5514_of_match[] = {
1208  	{ .compatible = "realtek,rt5514", },
1209  	{ }
1210  };
1211  MODULE_DEVICE_TABLE(of, rt5514_of_match);
1212  #endif
1213  
1214  #ifdef CONFIG_ACPI
1215  static const struct acpi_device_id rt5514_acpi_match[] = {
1216  	{ "10EC5514" },
1217  	{ }
1218  };
1219  MODULE_DEVICE_TABLE(acpi, rt5514_acpi_match);
1220  #endif
1221  
rt5514_parse_dp(struct rt5514_priv * rt5514,struct device * dev)1222  static int rt5514_parse_dp(struct rt5514_priv *rt5514, struct device *dev)
1223  {
1224  	device_property_read_u32(dev, "realtek,dmic-init-delay-ms",
1225  		&rt5514->pdata.dmic_init_delay);
1226  	device_property_read_string(dev, "realtek,dsp-calib-clk-name",
1227  		&rt5514->pdata.dsp_calib_clk_name);
1228  	device_property_read_u32(dev, "realtek,dsp-calib-clk-rate",
1229  		&rt5514->pdata.dsp_calib_clk_rate);
1230  
1231  	return 0;
1232  }
1233  
rt5514_i2c_resume(struct device * dev)1234  static int rt5514_i2c_resume(struct device *dev)
1235  {
1236  	struct rt5514_priv *rt5514 = dev_get_drvdata(dev);
1237  	unsigned int val;
1238  
1239  	/*
1240  	 * Add a bogus read to avoid rt5514's confusion after s2r in case it
1241  	 * saw glitches on the i2c lines and thought the other side sent a
1242  	 * start bit.
1243  	 */
1244  	regmap_read(rt5514->regmap, RT5514_VENDOR_ID2, &val);
1245  
1246  	return 0;
1247  }
1248  
rt5514_i2c_probe(struct i2c_client * i2c)1249  static int rt5514_i2c_probe(struct i2c_client *i2c)
1250  {
1251  	struct rt5514_platform_data *pdata = dev_get_platdata(&i2c->dev);
1252  	struct rt5514_priv *rt5514;
1253  	int ret;
1254  	unsigned int val = ~0;
1255  
1256  	rt5514 = devm_kzalloc(&i2c->dev, sizeof(struct rt5514_priv),
1257  				GFP_KERNEL);
1258  	if (rt5514 == NULL)
1259  		return -ENOMEM;
1260  
1261  	i2c_set_clientdata(i2c, rt5514);
1262  
1263  	if (pdata)
1264  		rt5514->pdata = *pdata;
1265  	else
1266  		rt5514_parse_dp(rt5514, &i2c->dev);
1267  
1268  	rt5514->i2c_regmap = devm_regmap_init_i2c(i2c, &rt5514_i2c_regmap);
1269  	if (IS_ERR(rt5514->i2c_regmap)) {
1270  		ret = PTR_ERR(rt5514->i2c_regmap);
1271  		dev_err(&i2c->dev, "Failed to allocate register map: %d\n",
1272  			ret);
1273  		return ret;
1274  	}
1275  
1276  	rt5514->regmap = devm_regmap_init(&i2c->dev, NULL, i2c, &rt5514_regmap);
1277  	if (IS_ERR(rt5514->regmap)) {
1278  		ret = PTR_ERR(rt5514->regmap);
1279  		dev_err(&i2c->dev, "Failed to allocate register map: %d\n",
1280  			ret);
1281  		return ret;
1282  	}
1283  
1284  	/*
1285  	 * The rt5514 can get confused if the i2c lines glitch together, as
1286  	 * can happen at bootup as regulators are turned off and on.  If it's
1287  	 * in this glitched state the first i2c read will fail, so we'll give
1288  	 * it one change to retry.
1289  	 */
1290  	ret = regmap_read(rt5514->regmap, RT5514_VENDOR_ID2, &val);
1291  	if (ret || val != RT5514_DEVICE_ID)
1292  		ret = regmap_read(rt5514->regmap, RT5514_VENDOR_ID2, &val);
1293  	if (ret || val != RT5514_DEVICE_ID) {
1294  		dev_err(&i2c->dev,
1295  			"Device with ID register %x is not rt5514\n", val);
1296  		return -ENODEV;
1297  	}
1298  
1299  	ret = regmap_multi_reg_write(rt5514->i2c_regmap, rt5514_i2c_patch,
1300  				    ARRAY_SIZE(rt5514_i2c_patch));
1301  	if (ret != 0)
1302  		dev_warn(&i2c->dev, "Failed to apply i2c_regmap patch: %d\n",
1303  			ret);
1304  
1305  	ret = regmap_register_patch(rt5514->regmap, rt5514_patch,
1306  				    ARRAY_SIZE(rt5514_patch));
1307  	if (ret != 0)
1308  		dev_warn(&i2c->dev, "Failed to apply regmap patch: %d\n", ret);
1309  
1310  	return devm_snd_soc_register_component(&i2c->dev,
1311  			&soc_component_dev_rt5514,
1312  			rt5514_dai, ARRAY_SIZE(rt5514_dai));
1313  }
1314  
1315  static const struct dev_pm_ops rt5514_i2_pm_ops = {
1316  	SYSTEM_SLEEP_PM_OPS(NULL, rt5514_i2c_resume)
1317  };
1318  
1319  static struct i2c_driver rt5514_i2c_driver = {
1320  	.driver = {
1321  		.name = "rt5514",
1322  		.acpi_match_table = ACPI_PTR(rt5514_acpi_match),
1323  		.of_match_table = of_match_ptr(rt5514_of_match),
1324  		.pm = pm_ptr(&rt5514_i2_pm_ops),
1325  	},
1326  	.probe = rt5514_i2c_probe,
1327  	.id_table = rt5514_i2c_id,
1328  };
1329  module_i2c_driver(rt5514_i2c_driver);
1330  
1331  MODULE_DESCRIPTION("ASoC RT5514 driver");
1332  MODULE_AUTHOR("Oder Chiou <oder_chiou@realtek.com>");
1333  MODULE_LICENSE("GPL v2");
1334