1// SPDX-License-Identifier: GPL-2.0
2//
3// ALSA SoC CX20721/CX20723 codec driver
4//
5// Copyright:	(C) 2017 Conexant Systems, Inc.
6// Author:	Simon Ho, <Simon.ho@conexant.com>
7//
8// TODO: add support for TDM mode.
9//
10
11#include <linux/acpi.h>
12#include <linux/clk.h>
13#include <linux/delay.h>
14#include <linux/gpio.h>
15#include <linux/init.h>
16#include <linux/i2c.h>
17#include <linux/module.h>
18#include <linux/platform_device.h>
19#include <linux/pm.h>
20#include <linux/pm_runtime.h>
21#include <linux/regmap.h>
22#include <linux/slab.h>
23#include <sound/core.h>
24#include <sound/initval.h>
25#include <sound/jack.h>
26#include <sound/pcm.h>
27#include <sound/pcm_params.h>
28#include <sound/tlv.h>
29#include <sound/soc.h>
30#include <sound/soc-dapm.h>
31#include "cx2072x.h"
32
33#define PLL_OUT_HZ_48	(1024 * 3 * 48000)
34#define BITS_PER_SLOT	8
35
36/* codec private data */
37struct cx2072x_priv {
38	struct regmap *regmap;
39	struct clk *mclk;
40	unsigned int mclk_rate;
41	struct device *dev;
42	struct snd_soc_component *codec;
43	struct snd_soc_jack_gpio jack_gpio;
44	struct mutex lock;
45	unsigned int bclk_ratio;
46	bool pll_changed;
47	bool i2spcm_changed;
48	int sample_size;
49	int frame_size;
50	int sample_rate;
51	unsigned int dai_fmt;
52	bool en_aec_ref;
53};
54
55/*
56 * DAC/ADC Volume
57 *
58 * max : 74 : 0 dB
59 *	 ( in 1 dB  step )
60 * min : 0 : -74 dB
61 */
62static const DECLARE_TLV_DB_SCALE(adc_tlv, -7400, 100, 0);
63static const DECLARE_TLV_DB_SCALE(dac_tlv, -7400, 100, 0);
64static const DECLARE_TLV_DB_SCALE(boost_tlv, 0, 1200, 0);
65
66struct cx2072x_eq_ctrl {
67	u8 ch;
68	u8 band;
69};
70
71static const DECLARE_TLV_DB_RANGE(hpf_tlv,
72	0, 0, TLV_DB_SCALE_ITEM(120, 0, 0),
73	1, 63, TLV_DB_SCALE_ITEM(30, 30, 0)
74);
75
76/* Lookup table for PRE_DIV */
77static const struct {
78	unsigned int mclk;
79	unsigned int div;
80} mclk_pre_div[] = {
81	{ 6144000, 1 },
82	{ 12288000, 2 },
83	{ 19200000, 3 },
84	{ 26000000, 4 },
85	{ 28224000, 5 },
86	{ 36864000, 6 },
87	{ 36864000, 7 },
88	{ 48000000, 8 },
89	{ 49152000, 8 },
90};
91
92/*
93 * cx2072x register cache.
94 */
95static const struct reg_default cx2072x_reg_defaults[] = {
96	{ CX2072X_AFG_POWER_STATE, 0x00000003 },
97	{ CX2072X_UM_RESPONSE, 0x00000000 },
98	{ CX2072X_GPIO_DATA, 0x00000000 },
99	{ CX2072X_GPIO_ENABLE, 0x00000000 },
100	{ CX2072X_GPIO_DIRECTION, 0x00000000 },
101	{ CX2072X_GPIO_WAKE, 0x00000000 },
102	{ CX2072X_GPIO_UM_ENABLE, 0x00000000 },
103	{ CX2072X_GPIO_STICKY_MASK, 0x00000000 },
104	{ CX2072X_DAC1_CONVERTER_FORMAT, 0x00000031 },
105	{ CX2072X_DAC1_AMP_GAIN_RIGHT, 0x0000004a },
106	{ CX2072X_DAC1_AMP_GAIN_LEFT, 0x0000004a },
107	{ CX2072X_DAC1_POWER_STATE, 0x00000433 },
108	{ CX2072X_DAC1_CONVERTER_STREAM_CHANNEL, 0x00000000 },
109	{ CX2072X_DAC1_EAPD_ENABLE, 0x00000000 },
110	{ CX2072X_DAC2_CONVERTER_FORMAT, 0x00000031 },
111	{ CX2072X_DAC2_AMP_GAIN_RIGHT, 0x0000004a },
112	{ CX2072X_DAC2_AMP_GAIN_LEFT, 0x0000004a },
113	{ CX2072X_DAC2_POWER_STATE, 0x00000433 },
114	{ CX2072X_DAC2_CONVERTER_STREAM_CHANNEL, 0x00000000 },
115	{ CX2072X_ADC1_CONVERTER_FORMAT, 0x00000031 },
116	{ CX2072X_ADC1_AMP_GAIN_RIGHT_0, 0x0000004a },
117	{ CX2072X_ADC1_AMP_GAIN_LEFT_0, 0x0000004a },
118	{ CX2072X_ADC1_AMP_GAIN_RIGHT_1, 0x0000004a },
119	{ CX2072X_ADC1_AMP_GAIN_LEFT_1, 0x0000004a },
120	{ CX2072X_ADC1_AMP_GAIN_RIGHT_2, 0x0000004a },
121	{ CX2072X_ADC1_AMP_GAIN_LEFT_2, 0x0000004a },
122	{ CX2072X_ADC1_AMP_GAIN_RIGHT_3, 0x0000004a },
123	{ CX2072X_ADC1_AMP_GAIN_LEFT_3, 0x0000004a },
124	{ CX2072X_ADC1_AMP_GAIN_RIGHT_4, 0x0000004a },
125	{ CX2072X_ADC1_AMP_GAIN_LEFT_4, 0x0000004a },
126	{ CX2072X_ADC1_AMP_GAIN_RIGHT_5, 0x0000004a },
127	{ CX2072X_ADC1_AMP_GAIN_LEFT_5, 0x0000004a },
128	{ CX2072X_ADC1_AMP_GAIN_RIGHT_6, 0x0000004a },
129	{ CX2072X_ADC1_AMP_GAIN_LEFT_6, 0x0000004a },
130	{ CX2072X_ADC1_CONNECTION_SELECT_CONTROL, 0x00000000 },
131	{ CX2072X_ADC1_POWER_STATE, 0x00000433 },
132	{ CX2072X_ADC1_CONVERTER_STREAM_CHANNEL, 0x00000000 },
133	{ CX2072X_ADC2_CONVERTER_FORMAT, 0x00000031 },
134	{ CX2072X_ADC2_AMP_GAIN_RIGHT_0, 0x0000004a },
135	{ CX2072X_ADC2_AMP_GAIN_LEFT_0, 0x0000004a },
136	{ CX2072X_ADC2_AMP_GAIN_RIGHT_1, 0x0000004a },
137	{ CX2072X_ADC2_AMP_GAIN_LEFT_1, 0x0000004a },
138	{ CX2072X_ADC2_AMP_GAIN_RIGHT_2, 0x0000004a },
139	{ CX2072X_ADC2_AMP_GAIN_LEFT_2, 0x0000004a },
140	{ CX2072X_ADC2_CONNECTION_SELECT_CONTROL, 0x00000000 },
141	{ CX2072X_ADC2_POWER_STATE, 0x00000433 },
142	{ CX2072X_ADC2_CONVERTER_STREAM_CHANNEL, 0x00000000 },
143	{ CX2072X_PORTA_CONNECTION_SELECT_CTRL, 0x00000000 },
144	{ CX2072X_PORTA_POWER_STATE, 0x00000433 },
145	{ CX2072X_PORTA_PIN_CTRL, 0x000000c0 },
146	{ CX2072X_PORTA_UNSOLICITED_RESPONSE, 0x00000000 },
147	{ CX2072X_PORTA_PIN_SENSE, 0x00000000 },
148	{ CX2072X_PORTA_EAPD_BTL, 0x00000002 },
149	{ CX2072X_PORTB_POWER_STATE, 0x00000433 },
150	{ CX2072X_PORTB_PIN_CTRL, 0x00000000 },
151	{ CX2072X_PORTB_UNSOLICITED_RESPONSE, 0x00000000 },
152	{ CX2072X_PORTB_PIN_SENSE, 0x00000000 },
153	{ CX2072X_PORTB_EAPD_BTL, 0x00000002 },
154	{ CX2072X_PORTB_GAIN_RIGHT, 0x00000000 },
155	{ CX2072X_PORTB_GAIN_LEFT, 0x00000000 },
156	{ CX2072X_PORTC_POWER_STATE, 0x00000433 },
157	{ CX2072X_PORTC_PIN_CTRL, 0x00000000 },
158	{ CX2072X_PORTC_GAIN_RIGHT, 0x00000000 },
159	{ CX2072X_PORTC_GAIN_LEFT, 0x00000000 },
160	{ CX2072X_PORTD_POWER_STATE, 0x00000433 },
161	{ CX2072X_PORTD_PIN_CTRL, 0x00000020 },
162	{ CX2072X_PORTD_UNSOLICITED_RESPONSE, 0x00000000 },
163	{ CX2072X_PORTD_PIN_SENSE, 0x00000000 },
164	{ CX2072X_PORTD_GAIN_RIGHT, 0x00000000 },
165	{ CX2072X_PORTD_GAIN_LEFT, 0x00000000 },
166	{ CX2072X_PORTE_CONNECTION_SELECT_CTRL, 0x00000000 },
167	{ CX2072X_PORTE_POWER_STATE, 0x00000433 },
168	{ CX2072X_PORTE_PIN_CTRL, 0x00000040 },
169	{ CX2072X_PORTE_UNSOLICITED_RESPONSE, 0x00000000 },
170	{ CX2072X_PORTE_PIN_SENSE, 0x00000000 },
171	{ CX2072X_PORTE_EAPD_BTL, 0x00000002 },
172	{ CX2072X_PORTE_GAIN_RIGHT, 0x00000000 },
173	{ CX2072X_PORTE_GAIN_LEFT, 0x00000000 },
174	{ CX2072X_PORTF_POWER_STATE, 0x00000433 },
175	{ CX2072X_PORTF_PIN_CTRL, 0x00000000 },
176	{ CX2072X_PORTF_UNSOLICITED_RESPONSE, 0x00000000 },
177	{ CX2072X_PORTF_PIN_SENSE, 0x00000000 },
178	{ CX2072X_PORTF_GAIN_RIGHT, 0x00000000 },
179	{ CX2072X_PORTF_GAIN_LEFT, 0x00000000 },
180	{ CX2072X_PORTG_POWER_STATE, 0x00000433 },
181	{ CX2072X_PORTG_PIN_CTRL, 0x00000040 },
182	{ CX2072X_PORTG_CONNECTION_SELECT_CTRL, 0x00000000 },
183	{ CX2072X_PORTG_EAPD_BTL, 0x00000002 },
184	{ CX2072X_PORTM_POWER_STATE, 0x00000433 },
185	{ CX2072X_PORTM_PIN_CTRL, 0x00000000 },
186	{ CX2072X_PORTM_CONNECTION_SELECT_CTRL, 0x00000000 },
187	{ CX2072X_PORTM_EAPD_BTL, 0x00000002 },
188	{ CX2072X_MIXER_POWER_STATE, 0x00000433 },
189	{ CX2072X_MIXER_GAIN_RIGHT_0, 0x0000004a },
190	{ CX2072X_MIXER_GAIN_LEFT_0, 0x0000004a },
191	{ CX2072X_MIXER_GAIN_RIGHT_1, 0x0000004a },
192	{ CX2072X_MIXER_GAIN_LEFT_1, 0x0000004a },
193	{ CX2072X_SPKR_DRC_ENABLE_STEP, 0x040065a4 },
194	{ CX2072X_SPKR_DRC_CONTROL, 0x007b0024 },
195	{ CX2072X_SPKR_DRC_TEST, 0x00000000 },
196	{ CX2072X_DIGITAL_BIOS_TEST0, 0x001f008a },
197	{ CX2072X_DIGITAL_BIOS_TEST2, 0x00990026 },
198	{ CX2072X_I2SPCM_CONTROL1, 0x00010001 },
199	{ CX2072X_I2SPCM_CONTROL2, 0x00000000 },
200	{ CX2072X_I2SPCM_CONTROL3, 0x00000000 },
201	{ CX2072X_I2SPCM_CONTROL4, 0x00000000 },
202	{ CX2072X_I2SPCM_CONTROL5, 0x00000000 },
203	{ CX2072X_I2SPCM_CONTROL6, 0x00000000 },
204	{ CX2072X_UM_INTERRUPT_CRTL_E, 0x00000000 },
205	{ CX2072X_CODEC_TEST2, 0x00000000 },
206	{ CX2072X_CODEC_TEST9, 0x00000004 },
207	{ CX2072X_CODEC_TEST20, 0x00000600 },
208	{ CX2072X_CODEC_TEST26, 0x00000208 },
209	{ CX2072X_ANALOG_TEST4, 0x00000000 },
210	{ CX2072X_ANALOG_TEST5, 0x00000000 },
211	{ CX2072X_ANALOG_TEST6, 0x0000059a },
212	{ CX2072X_ANALOG_TEST7, 0x000000a7 },
213	{ CX2072X_ANALOG_TEST8, 0x00000017 },
214	{ CX2072X_ANALOG_TEST9, 0x00000000 },
215	{ CX2072X_ANALOG_TEST10, 0x00000285 },
216	{ CX2072X_ANALOG_TEST11, 0x00000000 },
217	{ CX2072X_ANALOG_TEST12, 0x00000000 },
218	{ CX2072X_ANALOG_TEST13, 0x00000000 },
219	{ CX2072X_DIGITAL_TEST1, 0x00000242 },
220	{ CX2072X_DIGITAL_TEST11, 0x00000000 },
221	{ CX2072X_DIGITAL_TEST12, 0x00000084 },
222	{ CX2072X_DIGITAL_TEST15, 0x00000077 },
223	{ CX2072X_DIGITAL_TEST16, 0x00000021 },
224	{ CX2072X_DIGITAL_TEST17, 0x00000018 },
225	{ CX2072X_DIGITAL_TEST18, 0x00000024 },
226	{ CX2072X_DIGITAL_TEST19, 0x00000001 },
227	{ CX2072X_DIGITAL_TEST20, 0x00000002 },
228};
229
230/*
231 * register initialization
232 */
233static const struct reg_sequence cx2072x_reg_init[] = {
234	{ CX2072X_ANALOG_TEST9,	0x080 },    /* DC offset Calibration */
235	{ CX2072X_CODEC_TEST26,	0x65f },    /* Disable the PA */
236	{ CX2072X_ANALOG_TEST10, 0x289 },   /* Set the speaker output gain */
237	{ CX2072X_CODEC_TEST20,	0xf05 },
238	{ CX2072X_CODEC_TESTXX,	0x380 },
239	{ CX2072X_CODEC_TEST26,	0xb90 },
240	{ CX2072X_CODEC_TEST9,	0x001 },    /* Enable 30 Hz High pass filter */
241	{ CX2072X_ANALOG_TEST3,	0x300 },    /* Disable PCBEEP pad */
242	{ CX2072X_CODEC_TEST24,	0x100 },    /* Disable SnM mode */
243	{ CX2072X_PORTD_PIN_CTRL, 0x020 },  /* Enable PortD input */
244	{ CX2072X_GPIO_ENABLE,	0x040 },    /* Enable GPIO7 pin for button */
245	{ CX2072X_GPIO_UM_ENABLE, 0x040 },  /* Enable UM for GPIO7 */
246	{ CX2072X_UM_RESPONSE,	0x080 },    /* Enable button response */
247	{ CX2072X_DIGITAL_TEST12, 0x0c4 },  /* Enable headset button */
248	{ CX2072X_DIGITAL_TEST0, 0x415 },   /* Power down class-D during idle */
249	{ CX2072X_I2SPCM_CONTROL2, 0x00f }, /* Enable I2S TX */
250	{ CX2072X_I2SPCM_CONTROL3, 0x00f }, /* Enable I2S RX */
251};
252
253static unsigned int cx2072x_register_size(unsigned int reg)
254{
255	switch (reg) {
256	case CX2072X_VENDOR_ID:
257	case CX2072X_REVISION_ID:
258	case CX2072X_PORTA_PIN_SENSE:
259	case CX2072X_PORTB_PIN_SENSE:
260	case CX2072X_PORTD_PIN_SENSE:
261	case CX2072X_PORTE_PIN_SENSE:
262	case CX2072X_PORTF_PIN_SENSE:
263	case CX2072X_I2SPCM_CONTROL1:
264	case CX2072X_I2SPCM_CONTROL2:
265	case CX2072X_I2SPCM_CONTROL3:
266	case CX2072X_I2SPCM_CONTROL4:
267	case CX2072X_I2SPCM_CONTROL5:
268	case CX2072X_I2SPCM_CONTROL6:
269	case CX2072X_UM_INTERRUPT_CRTL_E:
270	case CX2072X_EQ_G_COEFF:
271	case CX2072X_SPKR_DRC_CONTROL:
272	case CX2072X_SPKR_DRC_TEST:
273	case CX2072X_DIGITAL_BIOS_TEST0:
274	case CX2072X_DIGITAL_BIOS_TEST2:
275		return 4;
276	case CX2072X_EQ_ENABLE_BYPASS:
277	case CX2072X_EQ_B0_COEFF:
278	case CX2072X_EQ_B1_COEFF:
279	case CX2072X_EQ_B2_COEFF:
280	case CX2072X_EQ_A1_COEFF:
281	case CX2072X_EQ_A2_COEFF:
282	case CX2072X_DAC1_CONVERTER_FORMAT:
283	case CX2072X_DAC2_CONVERTER_FORMAT:
284	case CX2072X_ADC1_CONVERTER_FORMAT:
285	case CX2072X_ADC2_CONVERTER_FORMAT:
286	case CX2072X_CODEC_TEST2:
287	case CX2072X_CODEC_TEST9:
288	case CX2072X_CODEC_TEST20:
289	case CX2072X_CODEC_TEST26:
290	case CX2072X_ANALOG_TEST3:
291	case CX2072X_ANALOG_TEST4:
292	case CX2072X_ANALOG_TEST5:
293	case CX2072X_ANALOG_TEST6:
294	case CX2072X_ANALOG_TEST7:
295	case CX2072X_ANALOG_TEST8:
296	case CX2072X_ANALOG_TEST9:
297	case CX2072X_ANALOG_TEST10:
298	case CX2072X_ANALOG_TEST11:
299	case CX2072X_ANALOG_TEST12:
300	case CX2072X_ANALOG_TEST13:
301	case CX2072X_DIGITAL_TEST0:
302	case CX2072X_DIGITAL_TEST1:
303	case CX2072X_DIGITAL_TEST11:
304	case CX2072X_DIGITAL_TEST12:
305	case CX2072X_DIGITAL_TEST15:
306	case CX2072X_DIGITAL_TEST16:
307	case CX2072X_DIGITAL_TEST17:
308	case CX2072X_DIGITAL_TEST18:
309	case CX2072X_DIGITAL_TEST19:
310	case CX2072X_DIGITAL_TEST20:
311		return 2;
312	default:
313		return 1;
314	}
315}
316
317static bool cx2072x_readable_register(struct device *dev, unsigned int reg)
318{
319	switch (reg) {
320	case CX2072X_VENDOR_ID:
321	case CX2072X_REVISION_ID:
322	case CX2072X_CURRENT_BCLK_FREQUENCY:
323	case CX2072X_AFG_POWER_STATE:
324	case CX2072X_UM_RESPONSE:
325	case CX2072X_GPIO_DATA:
326	case CX2072X_GPIO_ENABLE:
327	case CX2072X_GPIO_DIRECTION:
328	case CX2072X_GPIO_WAKE:
329	case CX2072X_GPIO_UM_ENABLE:
330	case CX2072X_GPIO_STICKY_MASK:
331	case CX2072X_DAC1_CONVERTER_FORMAT:
332	case CX2072X_DAC1_AMP_GAIN_RIGHT:
333	case CX2072X_DAC1_AMP_GAIN_LEFT:
334	case CX2072X_DAC1_POWER_STATE:
335	case CX2072X_DAC1_CONVERTER_STREAM_CHANNEL:
336	case CX2072X_DAC1_EAPD_ENABLE:
337	case CX2072X_DAC2_CONVERTER_FORMAT:
338	case CX2072X_DAC2_AMP_GAIN_RIGHT:
339	case CX2072X_DAC2_AMP_GAIN_LEFT:
340	case CX2072X_DAC2_POWER_STATE:
341	case CX2072X_DAC2_CONVERTER_STREAM_CHANNEL:
342	case CX2072X_ADC1_CONVERTER_FORMAT:
343	case CX2072X_ADC1_AMP_GAIN_RIGHT_0:
344	case CX2072X_ADC1_AMP_GAIN_LEFT_0:
345	case CX2072X_ADC1_AMP_GAIN_RIGHT_1:
346	case CX2072X_ADC1_AMP_GAIN_LEFT_1:
347	case CX2072X_ADC1_AMP_GAIN_RIGHT_2:
348	case CX2072X_ADC1_AMP_GAIN_LEFT_2:
349	case CX2072X_ADC1_AMP_GAIN_RIGHT_3:
350	case CX2072X_ADC1_AMP_GAIN_LEFT_3:
351	case CX2072X_ADC1_AMP_GAIN_RIGHT_4:
352	case CX2072X_ADC1_AMP_GAIN_LEFT_4:
353	case CX2072X_ADC1_AMP_GAIN_RIGHT_5:
354	case CX2072X_ADC1_AMP_GAIN_LEFT_5:
355	case CX2072X_ADC1_AMP_GAIN_RIGHT_6:
356	case CX2072X_ADC1_AMP_GAIN_LEFT_6:
357	case CX2072X_ADC1_CONNECTION_SELECT_CONTROL:
358	case CX2072X_ADC1_POWER_STATE:
359	case CX2072X_ADC1_CONVERTER_STREAM_CHANNEL:
360	case CX2072X_ADC2_CONVERTER_FORMAT:
361	case CX2072X_ADC2_AMP_GAIN_RIGHT_0:
362	case CX2072X_ADC2_AMP_GAIN_LEFT_0:
363	case CX2072X_ADC2_AMP_GAIN_RIGHT_1:
364	case CX2072X_ADC2_AMP_GAIN_LEFT_1:
365	case CX2072X_ADC2_AMP_GAIN_RIGHT_2:
366	case CX2072X_ADC2_AMP_GAIN_LEFT_2:
367	case CX2072X_ADC2_CONNECTION_SELECT_CONTROL:
368	case CX2072X_ADC2_POWER_STATE:
369	case CX2072X_ADC2_CONVERTER_STREAM_CHANNEL:
370	case CX2072X_PORTA_CONNECTION_SELECT_CTRL:
371	case CX2072X_PORTA_POWER_STATE:
372	case CX2072X_PORTA_PIN_CTRL:
373	case CX2072X_PORTA_UNSOLICITED_RESPONSE:
374	case CX2072X_PORTA_PIN_SENSE:
375	case CX2072X_PORTA_EAPD_BTL:
376	case CX2072X_PORTB_POWER_STATE:
377	case CX2072X_PORTB_PIN_CTRL:
378	case CX2072X_PORTB_UNSOLICITED_RESPONSE:
379	case CX2072X_PORTB_PIN_SENSE:
380	case CX2072X_PORTB_EAPD_BTL:
381	case CX2072X_PORTB_GAIN_RIGHT:
382	case CX2072X_PORTB_GAIN_LEFT:
383	case CX2072X_PORTC_POWER_STATE:
384	case CX2072X_PORTC_PIN_CTRL:
385	case CX2072X_PORTC_GAIN_RIGHT:
386	case CX2072X_PORTC_GAIN_LEFT:
387	case CX2072X_PORTD_POWER_STATE:
388	case CX2072X_PORTD_PIN_CTRL:
389	case CX2072X_PORTD_UNSOLICITED_RESPONSE:
390	case CX2072X_PORTD_PIN_SENSE:
391	case CX2072X_PORTD_GAIN_RIGHT:
392	case CX2072X_PORTD_GAIN_LEFT:
393	case CX2072X_PORTE_CONNECTION_SELECT_CTRL:
394	case CX2072X_PORTE_POWER_STATE:
395	case CX2072X_PORTE_PIN_CTRL:
396	case CX2072X_PORTE_UNSOLICITED_RESPONSE:
397	case CX2072X_PORTE_PIN_SENSE:
398	case CX2072X_PORTE_EAPD_BTL:
399	case CX2072X_PORTE_GAIN_RIGHT:
400	case CX2072X_PORTE_GAIN_LEFT:
401	case CX2072X_PORTF_POWER_STATE:
402	case CX2072X_PORTF_PIN_CTRL:
403	case CX2072X_PORTF_UNSOLICITED_RESPONSE:
404	case CX2072X_PORTF_PIN_SENSE:
405	case CX2072X_PORTF_GAIN_RIGHT:
406	case CX2072X_PORTF_GAIN_LEFT:
407	case CX2072X_PORTG_POWER_STATE:
408	case CX2072X_PORTG_PIN_CTRL:
409	case CX2072X_PORTG_CONNECTION_SELECT_CTRL:
410	case CX2072X_PORTG_EAPD_BTL:
411	case CX2072X_PORTM_POWER_STATE:
412	case CX2072X_PORTM_PIN_CTRL:
413	case CX2072X_PORTM_CONNECTION_SELECT_CTRL:
414	case CX2072X_PORTM_EAPD_BTL:
415	case CX2072X_MIXER_POWER_STATE:
416	case CX2072X_MIXER_GAIN_RIGHT_0:
417	case CX2072X_MIXER_GAIN_LEFT_0:
418	case CX2072X_MIXER_GAIN_RIGHT_1:
419	case CX2072X_MIXER_GAIN_LEFT_1:
420	case CX2072X_EQ_ENABLE_BYPASS:
421	case CX2072X_EQ_B0_COEFF:
422	case CX2072X_EQ_B1_COEFF:
423	case CX2072X_EQ_B2_COEFF:
424	case CX2072X_EQ_A1_COEFF:
425	case CX2072X_EQ_A2_COEFF:
426	case CX2072X_EQ_G_COEFF:
427	case CX2072X_SPKR_DRC_ENABLE_STEP:
428	case CX2072X_SPKR_DRC_CONTROL:
429	case CX2072X_SPKR_DRC_TEST:
430	case CX2072X_DIGITAL_BIOS_TEST0:
431	case CX2072X_DIGITAL_BIOS_TEST2:
432	case CX2072X_I2SPCM_CONTROL1:
433	case CX2072X_I2SPCM_CONTROL2:
434	case CX2072X_I2SPCM_CONTROL3:
435	case CX2072X_I2SPCM_CONTROL4:
436	case CX2072X_I2SPCM_CONTROL5:
437	case CX2072X_I2SPCM_CONTROL6:
438	case CX2072X_UM_INTERRUPT_CRTL_E:
439	case CX2072X_CODEC_TEST2:
440	case CX2072X_CODEC_TEST9:
441	case CX2072X_CODEC_TEST20:
442	case CX2072X_CODEC_TEST26:
443	case CX2072X_ANALOG_TEST4:
444	case CX2072X_ANALOG_TEST5:
445	case CX2072X_ANALOG_TEST6:
446	case CX2072X_ANALOG_TEST7:
447	case CX2072X_ANALOG_TEST8:
448	case CX2072X_ANALOG_TEST9:
449	case CX2072X_ANALOG_TEST10:
450	case CX2072X_ANALOG_TEST11:
451	case CX2072X_ANALOG_TEST12:
452	case CX2072X_ANALOG_TEST13:
453	case CX2072X_DIGITAL_TEST0:
454	case CX2072X_DIGITAL_TEST1:
455	case CX2072X_DIGITAL_TEST11:
456	case CX2072X_DIGITAL_TEST12:
457	case CX2072X_DIGITAL_TEST15:
458	case CX2072X_DIGITAL_TEST16:
459	case CX2072X_DIGITAL_TEST17:
460	case CX2072X_DIGITAL_TEST18:
461	case CX2072X_DIGITAL_TEST19:
462	case CX2072X_DIGITAL_TEST20:
463		return true;
464	default:
465		return false;
466	}
467}
468
469static bool cx2072x_volatile_register(struct device *dev, unsigned int reg)
470{
471	switch (reg) {
472	case CX2072X_VENDOR_ID:
473	case CX2072X_REVISION_ID:
474	case CX2072X_UM_INTERRUPT_CRTL_E:
475	case CX2072X_DIGITAL_TEST11:
476	case CX2072X_PORTA_PIN_SENSE:
477	case CX2072X_PORTB_PIN_SENSE:
478	case CX2072X_PORTD_PIN_SENSE:
479	case CX2072X_PORTE_PIN_SENSE:
480	case CX2072X_PORTF_PIN_SENSE:
481	case CX2072X_EQ_G_COEFF:
482	case CX2072X_EQ_BAND:
483		return true;
484	default:
485		return false;
486	}
487}
488
489static int cx2072x_reg_raw_write(struct i2c_client *client,
490				 unsigned int reg,
491				 const void *val, size_t val_count)
492{
493	struct device *dev = &client->dev;
494	u8 buf[2 + CX2072X_MAX_EQ_COEFF];
495	int ret;
496
497	if (WARN_ON(val_count + 2 > sizeof(buf)))
498		return -EINVAL;
499
500	buf[0] = reg >> 8;
501	buf[1] = reg & 0xff;
502
503	memcpy(buf + 2, val, val_count);
504
505	ret = i2c_master_send(client, buf, val_count + 2);
506	if (ret != val_count + 2) {
507		dev_err(dev, "I2C write failed, ret = %d\n", ret);
508		return ret < 0 ? ret : -EIO;
509	}
510	return 0;
511}
512
513static int cx2072x_reg_write(void *context, unsigned int reg,
514			     unsigned int value)
515{
516	__le32 raw_value;
517	unsigned int size;
518
519	size = cx2072x_register_size(reg);
520
521	if (reg == CX2072X_UM_INTERRUPT_CRTL_E) {
522		/* Update the MSB byte only */
523		reg += 3;
524		size = 1;
525		value >>= 24;
526	}
527
528	raw_value = cpu_to_le32(value);
529	return cx2072x_reg_raw_write(context, reg, &raw_value, size);
530}
531
532static int cx2072x_reg_read(void *context, unsigned int reg,
533			    unsigned int *value)
534{
535	struct i2c_client *client = context;
536	struct device *dev = &client->dev;
537	__le32 recv_buf = 0;
538	struct i2c_msg msgs[2];
539	unsigned int size;
540	u8 send_buf[2];
541	int ret;
542
543	size = cx2072x_register_size(reg);
544
545	send_buf[0] = reg >> 8;
546	send_buf[1] = reg & 0xff;
547
548	msgs[0].addr = client->addr;
549	msgs[0].len = sizeof(send_buf);
550	msgs[0].buf = send_buf;
551	msgs[0].flags = 0;
552
553	msgs[1].addr = client->addr;
554	msgs[1].len = size;
555	msgs[1].buf = (u8 *)&recv_buf;
556	msgs[1].flags = I2C_M_RD;
557
558	ret = i2c_transfer(client->adapter, msgs, ARRAY_SIZE(msgs));
559	if (ret != ARRAY_SIZE(msgs)) {
560		dev_err(dev, "Failed to read register, ret = %d\n", ret);
561		return ret < 0 ? ret : -EIO;
562	}
563
564	*value = le32_to_cpu(recv_buf);
565	return 0;
566}
567
568/* get suggested pre_div valuce from mclk frequency */
569static unsigned int get_div_from_mclk(unsigned int mclk)
570{
571	unsigned int div = 8;
572	int i;
573
574	for (i = 0; i < ARRAY_SIZE(mclk_pre_div); i++) {
575		if (mclk <= mclk_pre_div[i].mclk) {
576			div = mclk_pre_div[i].div;
577			break;
578		}
579	}
580	return div;
581}
582
583static int cx2072x_config_pll(struct cx2072x_priv *cx2072x)
584{
585	struct device *dev = cx2072x->dev;
586	unsigned int pre_div;
587	unsigned int pre_div_val;
588	unsigned int pll_input;
589	unsigned int pll_output;
590	unsigned int int_div;
591	unsigned int frac_div;
592	u64 frac_num;
593	unsigned int frac;
594	unsigned int sample_rate = cx2072x->sample_rate;
595	int pt_sample_per_sync = 2;
596	int pt_clock_per_sample = 96;
597
598	switch (sample_rate) {
599	case 48000:
600	case 32000:
601	case 24000:
602	case 16000:
603		break;
604
605	case 96000:
606		pt_sample_per_sync = 1;
607		pt_clock_per_sample = 48;
608		break;
609
610	case 192000:
611		pt_sample_per_sync = 0;
612		pt_clock_per_sample = 24;
613		break;
614
615	default:
616		dev_err(dev, "Unsupported sample rate %d\n", sample_rate);
617		return -EINVAL;
618	}
619
620	/* Configure PLL settings */
621	pre_div = get_div_from_mclk(cx2072x->mclk_rate);
622	pll_input = cx2072x->mclk_rate / pre_div;
623	pll_output = sample_rate * 3072;
624	int_div = pll_output / pll_input;
625	frac_div = pll_output - (int_div * pll_input);
626
627	if (frac_div) {
628		frac_div *= 1000;
629		frac_div /= pll_input;
630		frac_num = (u64)(4000 + frac_div) * ((1 << 20) - 4);
631		do_div(frac_num, 7);
632		frac = ((u32)frac_num + 499) / 1000;
633	}
634	pre_div_val = (pre_div - 1) * 2;
635
636	regmap_write(cx2072x->regmap, CX2072X_ANALOG_TEST4,
637		     0x40 | (pre_div_val << 8));
638	if (frac_div == 0) {
639		/* Int mode */
640		regmap_write(cx2072x->regmap, CX2072X_ANALOG_TEST7, 0x100);
641	} else {
642		/* frac mode */
643		regmap_write(cx2072x->regmap, CX2072X_ANALOG_TEST6,
644			     frac & 0xfff);
645		regmap_write(cx2072x->regmap, CX2072X_ANALOG_TEST7,
646			     (u8)(frac >> 12));
647	}
648
649	int_div--;
650	regmap_write(cx2072x->regmap, CX2072X_ANALOG_TEST8, int_div);
651
652	/* configure PLL tracking */
653	if (frac_div == 0) {
654		/* disable PLL tracking */
655		regmap_write(cx2072x->regmap, CX2072X_DIGITAL_TEST16, 0x00);
656	} else {
657		/* configure and enable PLL tracking */
658		regmap_write(cx2072x->regmap, CX2072X_DIGITAL_TEST16,
659			     (pt_sample_per_sync << 4) & 0xf0);
660		regmap_write(cx2072x->regmap, CX2072X_DIGITAL_TEST17,
661			     pt_clock_per_sample);
662		regmap_write(cx2072x->regmap, CX2072X_DIGITAL_TEST18,
663			     pt_clock_per_sample * 3 / 2);
664		regmap_write(cx2072x->regmap, CX2072X_DIGITAL_TEST19, 0x01);
665		regmap_write(cx2072x->regmap, CX2072X_DIGITAL_TEST20, 0x02);
666		regmap_update_bits(cx2072x->regmap, CX2072X_DIGITAL_TEST16,
667				   0x01, 0x01);
668	}
669
670	return 0;
671}
672
673static int cx2072x_config_i2spcm(struct cx2072x_priv *cx2072x)
674{
675	struct device *dev = cx2072x->dev;
676	unsigned int bclk_rate = 0;
677	int is_i2s = 0;
678	int has_one_bit_delay = 0;
679	int is_frame_inv = 0;
680	int is_bclk_inv = 0;
681	int pulse_len;
682	int frame_len = cx2072x->frame_size;
683	int sample_size = cx2072x->sample_size;
684	int i2s_right_slot;
685	int i2s_right_pause_interval = 0;
686	int i2s_right_pause_pos;
687	int is_big_endian = 1;
688	u64 div;
689	unsigned int mod;
690	union cx2072x_reg_i2spcm_ctrl_reg1 reg1;
691	union cx2072x_reg_i2spcm_ctrl_reg2 reg2;
692	union cx2072x_reg_i2spcm_ctrl_reg3 reg3;
693	union cx2072x_reg_i2spcm_ctrl_reg4 reg4;
694	union cx2072x_reg_i2spcm_ctrl_reg5 reg5;
695	union cx2072x_reg_i2spcm_ctrl_reg6 reg6;
696	union cx2072x_reg_digital_bios_test2 regdbt2;
697	const unsigned int fmt = cx2072x->dai_fmt;
698
699	if (frame_len <= 0) {
700		dev_err(dev, "Incorrect frame len %d\n", frame_len);
701		return -EINVAL;
702	}
703
704	if (sample_size <= 0) {
705		dev_err(dev, "Incorrect sample size %d\n", sample_size);
706		return -EINVAL;
707	}
708
709	dev_dbg(dev, "config_i2spcm set_dai_fmt- %08x\n", fmt);
710
711	regdbt2.ulval = 0xac;
712
713	switch (fmt & SND_SOC_DAIFMT_CLOCK_PROVIDER_MASK) {
714	case SND_SOC_DAIFMT_CBP_CFP:
715		reg2.r.tx_master = 1;
716		reg3.r.rx_master = 1;
717		break;
718
719	case SND_SOC_DAIFMT_CBC_CFC:
720		reg2.r.tx_master = 0;
721		reg3.r.rx_master = 0;
722		break;
723
724	default:
725		dev_err(dev, "Unsupported DAI clocking mode\n");
726		return -EINVAL;
727	}
728
729	/* set format */
730	switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
731	case SND_SOC_DAIFMT_I2S:
732		is_i2s = 1;
733		has_one_bit_delay = 1;
734		pulse_len = frame_len / 2;
735		break;
736
737	case SND_SOC_DAIFMT_RIGHT_J:
738		is_i2s = 1;
739		pulse_len = frame_len / 2;
740		break;
741
742	case SND_SOC_DAIFMT_LEFT_J:
743		is_i2s = 1;
744		pulse_len = frame_len / 2;
745		break;
746
747	default:
748		dev_err(dev, "Unsupported DAI format\n");
749		return -EINVAL;
750	}
751
752	/* clock inversion */
753	switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
754	case SND_SOC_DAIFMT_NB_NF:
755		is_frame_inv = is_i2s;
756		is_bclk_inv = is_i2s;
757		break;
758
759	case SND_SOC_DAIFMT_IB_IF:
760		is_frame_inv = !is_i2s;
761		is_bclk_inv = !is_i2s;
762		break;
763
764	case SND_SOC_DAIFMT_IB_NF:
765		is_frame_inv = is_i2s;
766		is_bclk_inv = !is_i2s;
767		break;
768
769	case SND_SOC_DAIFMT_NB_IF:
770		is_frame_inv = !is_i2s;
771		is_bclk_inv = is_i2s;
772		break;
773
774	default:
775		dev_err(dev, "Unsupported DAI clock inversion\n");
776		return -EINVAL;
777	}
778
779	reg1.r.rx_data_one_line = 1;
780	reg1.r.tx_data_one_line = 1;
781
782	if (is_i2s) {
783		i2s_right_slot = (frame_len / 2) / BITS_PER_SLOT;
784		i2s_right_pause_interval = (frame_len / 2) % BITS_PER_SLOT;
785		i2s_right_pause_pos = i2s_right_slot * BITS_PER_SLOT;
786	}
787
788	reg1.r.rx_ws_pol = is_frame_inv;
789	reg1.r.rx_ws_wid = pulse_len - 1;
790
791	reg1.r.rx_frm_len = frame_len / BITS_PER_SLOT - 1;
792	reg1.r.rx_sa_size = (sample_size / BITS_PER_SLOT) - 1;
793
794	reg1.r.tx_ws_pol = reg1.r.rx_ws_pol;
795	reg1.r.tx_ws_wid = pulse_len - 1;
796	reg1.r.tx_frm_len = reg1.r.rx_frm_len;
797	reg1.r.tx_sa_size = reg1.r.rx_sa_size;
798
799	reg2.r.tx_endian_sel = !is_big_endian;
800	reg2.r.tx_dstart_dly = has_one_bit_delay;
801	if (cx2072x->en_aec_ref)
802		reg2.r.tx_dstart_dly = 0;
803
804	reg3.r.rx_endian_sel = !is_big_endian;
805	reg3.r.rx_dstart_dly = has_one_bit_delay;
806
807	reg4.ulval = 0;
808
809	if (is_i2s) {
810		reg2.r.tx_slot_1 = 0;
811		reg2.r.tx_slot_2 = i2s_right_slot;
812		reg3.r.rx_slot_1 = 0;
813		if (cx2072x->en_aec_ref)
814			reg3.r.rx_slot_2 = 0;
815		else
816			reg3.r.rx_slot_2 = i2s_right_slot;
817		reg6.r.rx_pause_start_pos = i2s_right_pause_pos;
818		reg6.r.rx_pause_cycles = i2s_right_pause_interval;
819		reg6.r.tx_pause_start_pos = i2s_right_pause_pos;
820		reg6.r.tx_pause_cycles = i2s_right_pause_interval;
821	} else {
822		dev_err(dev, "TDM mode is not implemented yet\n");
823		return -EINVAL;
824	}
825	regdbt2.r.i2s_bclk_invert = is_bclk_inv;
826
827	/* Configures the BCLK output */
828	bclk_rate = cx2072x->sample_rate * frame_len;
829	reg5.r.i2s_pcm_clk_div_chan_en = 0;
830
831	/* Disables bclk output before setting new value */
832	regmap_write(cx2072x->regmap, CX2072X_I2SPCM_CONTROL5, 0);
833
834	if (reg2.r.tx_master) {
835		/* Configures BCLK rate */
836		div = PLL_OUT_HZ_48;
837		mod = do_div(div, bclk_rate);
838		if (mod) {
839			dev_err(dev, "Unsupported BCLK %dHz\n", bclk_rate);
840			return -EINVAL;
841		}
842		dev_dbg(dev, "enables BCLK %dHz output\n", bclk_rate);
843		reg5.r.i2s_pcm_clk_div = (u32)div - 1;
844		reg5.r.i2s_pcm_clk_div_chan_en = 1;
845	}
846
847	regmap_write(cx2072x->regmap, CX2072X_I2SPCM_CONTROL1, reg1.ulval);
848	regmap_update_bits(cx2072x->regmap, CX2072X_I2SPCM_CONTROL2, 0xffffffc0,
849			   reg2.ulval);
850	regmap_update_bits(cx2072x->regmap, CX2072X_I2SPCM_CONTROL3, 0xffffffc0,
851			   reg3.ulval);
852	regmap_write(cx2072x->regmap, CX2072X_I2SPCM_CONTROL4, reg4.ulval);
853	regmap_write(cx2072x->regmap, CX2072X_I2SPCM_CONTROL6, reg6.ulval);
854	regmap_write(cx2072x->regmap, CX2072X_I2SPCM_CONTROL5, reg5.ulval);
855
856	regmap_write(cx2072x->regmap, CX2072X_DIGITAL_BIOS_TEST2,
857		     regdbt2.ulval);
858
859	return 0;
860}
861
862static int afg_power_ev(struct snd_soc_dapm_widget *w,
863			struct snd_kcontrol *kcontrol, int event)
864{
865	struct snd_soc_component *codec = snd_soc_dapm_to_component(w->dapm);
866	struct cx2072x_priv *cx2072x = snd_soc_component_get_drvdata(codec);
867
868	switch (event) {
869	case SND_SOC_DAPM_POST_PMU:
870		regmap_update_bits(cx2072x->regmap, CX2072X_DIGITAL_BIOS_TEST0,
871				   0x00, 0x10);
872		break;
873
874	case SND_SOC_DAPM_PRE_PMD:
875		regmap_update_bits(cx2072x->regmap, CX2072X_DIGITAL_BIOS_TEST0,
876				   0x10, 0x10);
877		break;
878	}
879
880	return 0;
881}
882
883static const struct snd_kcontrol_new cx2072x_snd_controls[] = {
884	SOC_DOUBLE_R_TLV("PortD Boost Volume", CX2072X_PORTD_GAIN_LEFT,
885			 CX2072X_PORTD_GAIN_RIGHT, 0, 3, 0, boost_tlv),
886	SOC_DOUBLE_R_TLV("PortC Boost Volume", CX2072X_PORTC_GAIN_LEFT,
887			 CX2072X_PORTC_GAIN_RIGHT, 0, 3, 0, boost_tlv),
888	SOC_DOUBLE_R_TLV("PortB Boost Volume", CX2072X_PORTB_GAIN_LEFT,
889			 CX2072X_PORTB_GAIN_RIGHT, 0, 3, 0, boost_tlv),
890	SOC_DOUBLE_R_TLV("PortD ADC1 Volume", CX2072X_ADC1_AMP_GAIN_LEFT_1,
891			 CX2072X_ADC1_AMP_GAIN_RIGHT_1, 0, 0x4a, 0, adc_tlv),
892	SOC_DOUBLE_R_TLV("PortC ADC1 Volume", CX2072X_ADC1_AMP_GAIN_LEFT_2,
893			 CX2072X_ADC1_AMP_GAIN_RIGHT_2, 0, 0x4a, 0, adc_tlv),
894	SOC_DOUBLE_R_TLV("PortB ADC1 Volume", CX2072X_ADC1_AMP_GAIN_LEFT_0,
895			 CX2072X_ADC1_AMP_GAIN_RIGHT_0, 0, 0x4a, 0, adc_tlv),
896	SOC_DOUBLE_R_TLV("DAC1 Volume", CX2072X_DAC1_AMP_GAIN_LEFT,
897			 CX2072X_DAC1_AMP_GAIN_RIGHT, 0, 0x4a, 0, dac_tlv),
898	SOC_DOUBLE_R("DAC1 Switch", CX2072X_DAC1_AMP_GAIN_LEFT,
899		     CX2072X_DAC1_AMP_GAIN_RIGHT, 7,  1, 0),
900	SOC_DOUBLE_R_TLV("DAC2 Volume", CX2072X_DAC2_AMP_GAIN_LEFT,
901			 CX2072X_DAC2_AMP_GAIN_RIGHT, 0, 0x4a, 0, dac_tlv),
902	SOC_SINGLE_TLV("HPF Freq", CX2072X_CODEC_TEST9, 0, 0x3f, 0, hpf_tlv),
903	SOC_DOUBLE("HPF Switch", CX2072X_CODEC_TEST9, 8, 9, 1, 1),
904	SOC_SINGLE("PortA HP Amp Switch", CX2072X_PORTA_PIN_CTRL, 7, 1, 0),
905};
906
907static int cx2072x_hw_params(struct snd_pcm_substream *substream,
908			     struct snd_pcm_hw_params *params,
909			     struct snd_soc_dai *dai)
910{
911	struct snd_soc_component *codec = dai->component;
912	struct cx2072x_priv *cx2072x = snd_soc_component_get_drvdata(codec);
913	struct device *dev = codec->dev;
914	const unsigned int sample_rate = params_rate(params);
915	int sample_size, frame_size;
916
917	/* Data sizes if not using TDM */
918	sample_size = params_width(params);
919
920	if (sample_size < 0)
921		return sample_size;
922
923	frame_size = snd_soc_params_to_frame_size(params);
924	if (frame_size < 0)
925		return frame_size;
926
927	if (cx2072x->mclk_rate == 0) {
928		dev_err(dev, "Master clock rate is not configured\n");
929		return -EINVAL;
930	}
931
932	if (cx2072x->bclk_ratio)
933		frame_size = cx2072x->bclk_ratio;
934
935	switch (sample_rate) {
936	case 48000:
937	case 32000:
938	case 24000:
939	case 16000:
940	case 96000:
941	case 192000:
942		break;
943
944	default:
945		dev_err(dev, "Unsupported sample rate %d\n", sample_rate);
946		return -EINVAL;
947	}
948
949	dev_dbg(dev, "Sample size %d bits, frame = %d bits, rate = %d Hz\n",
950		sample_size, frame_size, sample_rate);
951
952	cx2072x->frame_size = frame_size;
953	cx2072x->sample_size = sample_size;
954	cx2072x->sample_rate = sample_rate;
955
956	if (dai->id == CX2072X_DAI_DSP) {
957		cx2072x->en_aec_ref = true;
958		dev_dbg(cx2072x->dev, "enables aec reference\n");
959		regmap_write(cx2072x->regmap,
960			     CX2072X_ADC1_CONNECTION_SELECT_CONTROL, 3);
961	}
962
963	if (cx2072x->pll_changed) {
964		cx2072x_config_pll(cx2072x);
965		cx2072x->pll_changed = false;
966	}
967
968	if (cx2072x->i2spcm_changed) {
969		cx2072x_config_i2spcm(cx2072x);
970		cx2072x->i2spcm_changed = false;
971	}
972
973	return 0;
974}
975
976static int cx2072x_set_dai_bclk_ratio(struct snd_soc_dai *dai,
977				      unsigned int ratio)
978{
979	struct snd_soc_component *codec = dai->component;
980	struct cx2072x_priv *cx2072x = snd_soc_component_get_drvdata(codec);
981
982	cx2072x->bclk_ratio = ratio;
983	return 0;
984}
985
986static int cx2072x_set_dai_sysclk(struct snd_soc_dai *dai, int clk_id,
987				  unsigned int freq, int dir)
988{
989	struct snd_soc_component *codec = dai->component;
990	struct cx2072x_priv *cx2072x = snd_soc_component_get_drvdata(codec);
991
992	if (clk_set_rate(cx2072x->mclk, freq)) {
993		dev_err(codec->dev, "set clk rate failed\n");
994		return -EINVAL;
995	}
996
997	cx2072x->mclk_rate = freq;
998	return 0;
999}
1000
1001static int cx2072x_set_dai_fmt(struct snd_soc_dai *dai, unsigned int fmt)
1002{
1003	struct snd_soc_component *codec = dai->component;
1004	struct cx2072x_priv *cx2072x = snd_soc_component_get_drvdata(codec);
1005	struct device *dev = codec->dev;
1006
1007	dev_dbg(dev, "set_dai_fmt- %08x\n", fmt);
1008	/* set master/slave */
1009	switch (fmt & SND_SOC_DAIFMT_CLOCK_PROVIDER_MASK) {
1010	case SND_SOC_DAIFMT_CBP_CFP:
1011	case SND_SOC_DAIFMT_CBC_CFC:
1012		break;
1013
1014	default:
1015		dev_err(dev, "Unsupported DAI master mode\n");
1016		return -EINVAL;
1017	}
1018
1019	/* set format */
1020	switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
1021	case SND_SOC_DAIFMT_I2S:
1022	case SND_SOC_DAIFMT_RIGHT_J:
1023	case SND_SOC_DAIFMT_LEFT_J:
1024		break;
1025
1026	default:
1027		dev_err(dev, "Unsupported DAI format\n");
1028		return -EINVAL;
1029	}
1030
1031	/* clock inversion */
1032	switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
1033	case SND_SOC_DAIFMT_NB_NF:
1034	case SND_SOC_DAIFMT_IB_IF:
1035	case SND_SOC_DAIFMT_IB_NF:
1036	case SND_SOC_DAIFMT_NB_IF:
1037		break;
1038
1039	default:
1040		dev_err(dev, "Unsupported DAI clock inversion\n");
1041		return -EINVAL;
1042	}
1043
1044	cx2072x->dai_fmt = fmt;
1045	return 0;
1046}
1047
1048static const struct snd_kcontrol_new portaouten_ctl =
1049	SOC_DAPM_SINGLE("Switch", CX2072X_PORTA_PIN_CTRL, 6, 1, 0);
1050
1051static const struct snd_kcontrol_new porteouten_ctl =
1052	SOC_DAPM_SINGLE("Switch", CX2072X_PORTE_PIN_CTRL, 6, 1, 0);
1053
1054static const struct snd_kcontrol_new portgouten_ctl =
1055	SOC_DAPM_SINGLE("Switch", CX2072X_PORTG_PIN_CTRL, 6, 1, 0);
1056
1057static const struct snd_kcontrol_new portmouten_ctl =
1058	SOC_DAPM_SINGLE("Switch", CX2072X_PORTM_PIN_CTRL, 6, 1, 0);
1059
1060static const struct snd_kcontrol_new portbinen_ctl =
1061	SOC_DAPM_SINGLE("Switch", CX2072X_PORTB_PIN_CTRL, 5, 1, 0);
1062
1063static const struct snd_kcontrol_new portcinen_ctl =
1064	SOC_DAPM_SINGLE("Switch", CX2072X_PORTC_PIN_CTRL, 5, 1, 0);
1065
1066static const struct snd_kcontrol_new portdinen_ctl =
1067	SOC_DAPM_SINGLE("Switch", CX2072X_PORTD_PIN_CTRL, 5, 1, 0);
1068
1069static const struct snd_kcontrol_new porteinen_ctl =
1070	SOC_DAPM_SINGLE("Switch", CX2072X_PORTE_PIN_CTRL, 5, 1, 0);
1071
1072static const struct snd_kcontrol_new i2sadc1l_ctl =
1073	SOC_DAPM_SINGLE("Switch", CX2072X_I2SPCM_CONTROL2, 0, 1, 0);
1074
1075static const struct snd_kcontrol_new i2sadc1r_ctl =
1076	SOC_DAPM_SINGLE("Switch", CX2072X_I2SPCM_CONTROL2, 1, 1, 0);
1077
1078static const struct snd_kcontrol_new i2sadc2l_ctl =
1079	SOC_DAPM_SINGLE("Switch", CX2072X_I2SPCM_CONTROL2, 2, 1, 0);
1080
1081static const struct snd_kcontrol_new i2sadc2r_ctl =
1082	SOC_DAPM_SINGLE("Switch", CX2072X_I2SPCM_CONTROL2, 3, 1, 0);
1083
1084static const struct snd_kcontrol_new i2sdac1l_ctl =
1085	SOC_DAPM_SINGLE("Switch", CX2072X_I2SPCM_CONTROL3, 0, 1, 0);
1086
1087static const struct snd_kcontrol_new i2sdac1r_ctl =
1088	SOC_DAPM_SINGLE("Switch", CX2072X_I2SPCM_CONTROL3, 1, 1, 0);
1089
1090static const struct snd_kcontrol_new i2sdac2l_ctl =
1091	SOC_DAPM_SINGLE("Switch", CX2072X_I2SPCM_CONTROL3, 2, 1, 0);
1092
1093static const struct snd_kcontrol_new i2sdac2r_ctl =
1094	SOC_DAPM_SINGLE("Switch", CX2072X_I2SPCM_CONTROL3, 3, 1, 0);
1095
1096static const char * const dac_enum_text[] = {
1097	"DAC1 Switch", "DAC2 Switch",
1098};
1099
1100static const struct soc_enum porta_dac_enum =
1101SOC_ENUM_SINGLE(CX2072X_PORTA_CONNECTION_SELECT_CTRL, 0, 2, dac_enum_text);
1102
1103static const struct snd_kcontrol_new porta_mux =
1104SOC_DAPM_ENUM("PortA Mux", porta_dac_enum);
1105
1106static const struct soc_enum portg_dac_enum =
1107SOC_ENUM_SINGLE(CX2072X_PORTG_CONNECTION_SELECT_CTRL, 0, 2, dac_enum_text);
1108
1109static const struct snd_kcontrol_new portg_mux =
1110SOC_DAPM_ENUM("PortG Mux", portg_dac_enum);
1111
1112static const struct soc_enum porte_dac_enum =
1113SOC_ENUM_SINGLE(CX2072X_PORTE_CONNECTION_SELECT_CTRL, 0, 2, dac_enum_text);
1114
1115static const struct snd_kcontrol_new porte_mux =
1116SOC_DAPM_ENUM("PortE Mux", porte_dac_enum);
1117
1118static const struct soc_enum portm_dac_enum =
1119SOC_ENUM_SINGLE(CX2072X_PORTM_CONNECTION_SELECT_CTRL, 0, 2, dac_enum_text);
1120
1121static const struct snd_kcontrol_new portm_mux =
1122SOC_DAPM_ENUM("PortM Mux", portm_dac_enum);
1123
1124static const char * const adc1in_sel_text[] = {
1125	"PortB Switch", "PortD Switch", "PortC Switch", "Widget15 Switch",
1126	"PortE Switch", "PortF Switch", "PortH Switch"
1127};
1128
1129static const struct soc_enum adc1in_sel_enum =
1130SOC_ENUM_SINGLE(CX2072X_ADC1_CONNECTION_SELECT_CONTROL, 0, 7, adc1in_sel_text);
1131
1132static const struct snd_kcontrol_new adc1_mux =
1133SOC_DAPM_ENUM("ADC1 Mux", adc1in_sel_enum);
1134
1135static const char * const adc2in_sel_text[] = {
1136	"PortC Switch", "Widget15 Switch", "PortH Switch"
1137};
1138
1139static const struct soc_enum adc2in_sel_enum =
1140SOC_ENUM_SINGLE(CX2072X_ADC2_CONNECTION_SELECT_CONTROL, 0, 3, adc2in_sel_text);
1141
1142static const struct snd_kcontrol_new adc2_mux =
1143SOC_DAPM_ENUM("ADC2 Mux", adc2in_sel_enum);
1144
1145static const struct snd_kcontrol_new wid15_mix[] = {
1146	SOC_DAPM_SINGLE("DAC1L Switch", CX2072X_MIXER_GAIN_LEFT_0, 7, 1, 1),
1147	SOC_DAPM_SINGLE("DAC1R Switch", CX2072X_MIXER_GAIN_RIGHT_0, 7, 1, 1),
1148	SOC_DAPM_SINGLE("DAC2L Switch", CX2072X_MIXER_GAIN_LEFT_1, 7, 1, 1),
1149	SOC_DAPM_SINGLE("DAC2R Switch", CX2072X_MIXER_GAIN_RIGHT_1, 7, 1, 1),
1150};
1151
1152#define CX2072X_DAPM_SUPPLY_S(wname, wsubseq, wreg, wshift, wmask,  won_val, \
1153	woff_val, wevent, wflags) \
1154	{.id = snd_soc_dapm_supply, .name = wname, .kcontrol_news = NULL, \
1155	.num_kcontrols = 0, .reg = wreg, .shift = wshift, .mask = wmask, \
1156	.on_val = won_val, .off_val = woff_val, \
1157	.subseq = wsubseq, .event = wevent, .event_flags = wflags}
1158
1159#define CX2072X_DAPM_SWITCH(wname,  wreg, wshift, wmask,  won_val, woff_val, \
1160	wevent, wflags) \
1161	{.id = snd_soc_dapm_switch, .name = wname, .kcontrol_news = NULL, \
1162	.num_kcontrols = 0, .reg = wreg, .shift = wshift, .mask = wmask, \
1163	.on_val = won_val, .off_val = woff_val, \
1164	.event = wevent, .event_flags = wflags}
1165
1166#define CX2072X_DAPM_SWITCH(wname,  wreg, wshift, wmask,  won_val, woff_val, \
1167	wevent, wflags) \
1168	{.id = snd_soc_dapm_switch, .name = wname, .kcontrol_news = NULL, \
1169	.num_kcontrols = 0, .reg = wreg, .shift = wshift, .mask = wmask, \
1170	.on_val = won_val, .off_val = woff_val, \
1171	.event = wevent, .event_flags = wflags}
1172
1173#define CX2072X_DAPM_REG_E(wid, wname, wreg, wshift, wmask, won_val, woff_val, \
1174				wevent, wflags) \
1175	{.id = wid, .name = wname, .kcontrol_news = NULL, .num_kcontrols = 0, \
1176	.reg = wreg, .shift = wshift, .mask = wmask, \
1177	.on_val = won_val, .off_val = woff_val, \
1178	.event = wevent, .event_flags = wflags}
1179
1180static const struct snd_soc_dapm_widget cx2072x_dapm_widgets[] = {
1181	/*Playback*/
1182	SND_SOC_DAPM_AIF_IN("In AIF", "Playback", 0, SND_SOC_NOPM, 0, 0),
1183
1184	SND_SOC_DAPM_SWITCH("I2S DAC1L", SND_SOC_NOPM, 0, 0, &i2sdac1l_ctl),
1185	SND_SOC_DAPM_SWITCH("I2S DAC1R", SND_SOC_NOPM, 0, 0, &i2sdac1r_ctl),
1186	SND_SOC_DAPM_SWITCH("I2S DAC2L", SND_SOC_NOPM, 0, 0, &i2sdac2l_ctl),
1187	SND_SOC_DAPM_SWITCH("I2S DAC2R", SND_SOC_NOPM, 0, 0, &i2sdac2r_ctl),
1188
1189	SND_SOC_DAPM_REG(snd_soc_dapm_dac, "DAC1", CX2072X_DAC1_POWER_STATE,
1190			 0, 0xfff, 0x00, 0x03),
1191
1192	SND_SOC_DAPM_REG(snd_soc_dapm_dac, "DAC2", CX2072X_DAC2_POWER_STATE,
1193			 0, 0xfff, 0x00, 0x03),
1194
1195	SND_SOC_DAPM_MUX("PortA Mux", SND_SOC_NOPM, 0, 0, &porta_mux),
1196	SND_SOC_DAPM_MUX("PortG Mux", SND_SOC_NOPM, 0, 0, &portg_mux),
1197	SND_SOC_DAPM_MUX("PortE Mux", SND_SOC_NOPM, 0, 0, &porte_mux),
1198	SND_SOC_DAPM_MUX("PortM Mux", SND_SOC_NOPM, 0, 0, &portm_mux),
1199
1200	SND_SOC_DAPM_REG(snd_soc_dapm_supply, "PortA Power",
1201			 CX2072X_PORTA_POWER_STATE, 0, 0xfff, 0x00, 0x03),
1202
1203	SND_SOC_DAPM_REG(snd_soc_dapm_supply, "PortM Power",
1204			 CX2072X_PORTM_POWER_STATE, 0, 0xfff, 0x00, 0x03),
1205
1206	SND_SOC_DAPM_REG(snd_soc_dapm_supply, "PortG Power",
1207			 CX2072X_PORTG_POWER_STATE, 0, 0xfff, 0x00, 0x03),
1208
1209	CX2072X_DAPM_SUPPLY_S("AFG Power", 0, CX2072X_AFG_POWER_STATE,
1210			      0, 0xfff, 0x00, 0x03, afg_power_ev,
1211			      SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
1212
1213	SND_SOC_DAPM_SWITCH("PortA Out En", SND_SOC_NOPM, 0, 0,
1214			    &portaouten_ctl),
1215	SND_SOC_DAPM_SWITCH("PortE Out En", SND_SOC_NOPM, 0, 0,
1216			    &porteouten_ctl),
1217	SND_SOC_DAPM_SWITCH("PortG Out En", SND_SOC_NOPM, 0, 0,
1218			    &portgouten_ctl),
1219	SND_SOC_DAPM_SWITCH("PortM Out En", SND_SOC_NOPM, 0, 0,
1220			    &portmouten_ctl),
1221
1222	SND_SOC_DAPM_OUTPUT("PORTA"),
1223	SND_SOC_DAPM_OUTPUT("PORTG"),
1224	SND_SOC_DAPM_OUTPUT("PORTE"),
1225	SND_SOC_DAPM_OUTPUT("PORTM"),
1226	SND_SOC_DAPM_OUTPUT("AEC REF"),
1227
1228	/*Capture*/
1229	SND_SOC_DAPM_AIF_OUT("Out AIF", "Capture", 0, SND_SOC_NOPM, 0, 0),
1230
1231	SND_SOC_DAPM_SWITCH("I2S ADC1L", SND_SOC_NOPM, 0, 0, &i2sadc1l_ctl),
1232	SND_SOC_DAPM_SWITCH("I2S ADC1R", SND_SOC_NOPM, 0, 0, &i2sadc1r_ctl),
1233	SND_SOC_DAPM_SWITCH("I2S ADC2L", SND_SOC_NOPM, 0, 0, &i2sadc2l_ctl),
1234	SND_SOC_DAPM_SWITCH("I2S ADC2R", SND_SOC_NOPM, 0, 0, &i2sadc2r_ctl),
1235
1236	SND_SOC_DAPM_REG(snd_soc_dapm_adc, "ADC1", CX2072X_ADC1_POWER_STATE,
1237			 0, 0xff, 0x00, 0x03),
1238	SND_SOC_DAPM_REG(snd_soc_dapm_adc, "ADC2", CX2072X_ADC2_POWER_STATE,
1239			 0, 0xff, 0x00, 0x03),
1240
1241	SND_SOC_DAPM_MUX("ADC1 Mux", SND_SOC_NOPM, 0, 0, &adc1_mux),
1242	SND_SOC_DAPM_MUX("ADC2 Mux", SND_SOC_NOPM, 0, 0, &adc2_mux),
1243
1244	SND_SOC_DAPM_REG(snd_soc_dapm_supply, "PortB Power",
1245			 CX2072X_PORTB_POWER_STATE, 0, 0xfff, 0x00, 0x03),
1246	SND_SOC_DAPM_REG(snd_soc_dapm_supply, "PortC Power",
1247			 CX2072X_PORTC_POWER_STATE, 0, 0xfff, 0x00, 0x03),
1248	SND_SOC_DAPM_REG(snd_soc_dapm_supply, "PortD Power",
1249			 CX2072X_PORTD_POWER_STATE, 0, 0xfff, 0x00, 0x03),
1250	SND_SOC_DAPM_REG(snd_soc_dapm_supply, "PortE Power",
1251			 CX2072X_PORTE_POWER_STATE, 0, 0xfff, 0x00, 0x03),
1252	SND_SOC_DAPM_REG(snd_soc_dapm_supply, "Widget15 Power",
1253			 CX2072X_MIXER_POWER_STATE, 0, 0xfff, 0x00, 0x03),
1254
1255	SND_SOC_DAPM_MIXER("Widget15 Mixer", SND_SOC_NOPM, 0, 0,
1256			   wid15_mix, ARRAY_SIZE(wid15_mix)),
1257	SND_SOC_DAPM_SWITCH("PortB In En", SND_SOC_NOPM, 0, 0, &portbinen_ctl),
1258	SND_SOC_DAPM_SWITCH("PortC In En", SND_SOC_NOPM, 0, 0, &portcinen_ctl),
1259	SND_SOC_DAPM_SWITCH("PortD In En", SND_SOC_NOPM, 0, 0, &portdinen_ctl),
1260	SND_SOC_DAPM_SWITCH("PortE In En", SND_SOC_NOPM, 0, 0, &porteinen_ctl),
1261
1262	SND_SOC_DAPM_MICBIAS("Headset Bias", CX2072X_ANALOG_TEST11, 1, 0),
1263	SND_SOC_DAPM_MICBIAS("PortB Mic Bias", CX2072X_PORTB_PIN_CTRL, 2, 0),
1264	SND_SOC_DAPM_MICBIAS("PortD Mic Bias", CX2072X_PORTD_PIN_CTRL, 2, 0),
1265	SND_SOC_DAPM_MICBIAS("PortE Mic Bias", CX2072X_PORTE_PIN_CTRL, 2, 0),
1266	SND_SOC_DAPM_INPUT("PORTB"),
1267	SND_SOC_DAPM_INPUT("PORTC"),
1268	SND_SOC_DAPM_INPUT("PORTD"),
1269	SND_SOC_DAPM_INPUT("PORTEIN"),
1270
1271};
1272
1273static const struct snd_soc_dapm_route cx2072x_intercon[] = {
1274	/* Playback */
1275	{"In AIF", NULL, "AFG Power"},
1276	{"I2S DAC1L", "Switch", "In AIF"},
1277	{"I2S DAC1R", "Switch", "In AIF"},
1278	{"I2S DAC2L", "Switch", "In AIF"},
1279	{"I2S DAC2R", "Switch", "In AIF"},
1280	{"DAC1", NULL, "I2S DAC1L"},
1281	{"DAC1", NULL, "I2S DAC1R"},
1282	{"DAC2", NULL, "I2S DAC2L"},
1283	{"DAC2", NULL, "I2S DAC2R"},
1284	{"PortA Mux", "DAC1 Switch", "DAC1"},
1285	{"PortA Mux", "DAC2 Switch", "DAC2"},
1286	{"PortG Mux", "DAC1 Switch", "DAC1"},
1287	{"PortG Mux", "DAC2 Switch", "DAC2"},
1288	{"PortE Mux", "DAC1 Switch", "DAC1"},
1289	{"PortE Mux", "DAC2 Switch", "DAC2"},
1290	{"PortM Mux", "DAC1 Switch", "DAC1"},
1291	{"PortM Mux", "DAC2 Switch", "DAC2"},
1292	{"Widget15 Mixer", "DAC1L Switch", "DAC1"},
1293	{"Widget15 Mixer", "DAC1R Switch", "DAC2"},
1294	{"Widget15 Mixer", "DAC2L Switch", "DAC1"},
1295	{"Widget15 Mixer", "DAC2R Switch", "DAC2"},
1296	{"Widget15 Mixer", NULL, "Widget15 Power"},
1297	{"PortA Out En", "Switch", "PortA Mux"},
1298	{"PortG Out En", "Switch", "PortG Mux"},
1299	{"PortE Out En", "Switch", "PortE Mux"},
1300	{"PortM Out En", "Switch", "PortM Mux"},
1301	{"PortA Mux", NULL, "PortA Power"},
1302	{"PortG Mux", NULL, "PortG Power"},
1303	{"PortE Mux", NULL, "PortE Power"},
1304	{"PortM Mux", NULL, "PortM Power"},
1305	{"PortA Out En", NULL, "PortA Power"},
1306	{"PortG Out En", NULL, "PortG Power"},
1307	{"PortE Out En", NULL, "PortE Power"},
1308	{"PortM Out En", NULL, "PortM Power"},
1309	{"PORTA", NULL, "PortA Out En"},
1310	{"PORTG", NULL, "PortG Out En"},
1311	{"PORTE", NULL, "PortE Out En"},
1312	{"PORTM", NULL, "PortM Out En"},
1313
1314	/* Capture */
1315	{"PORTD", NULL, "Headset Bias"},
1316	{"PortB In En", "Switch", "PORTB"},
1317	{"PortC In En", "Switch", "PORTC"},
1318	{"PortD In En", "Switch", "PORTD"},
1319	{"PortE In En", "Switch", "PORTEIN"},
1320	{"ADC1 Mux", "PortB Switch", "PortB In En"},
1321	{"ADC1 Mux", "PortC Switch", "PortC In En"},
1322	{"ADC1 Mux", "PortD Switch", "PortD In En"},
1323	{"ADC1 Mux", "PortE Switch", "PortE In En"},
1324	{"ADC1 Mux", "Widget15 Switch", "Widget15 Mixer"},
1325	{"ADC2 Mux", "PortC Switch", "PortC In En"},
1326	{"ADC2 Mux", "Widget15 Switch", "Widget15 Mixer"},
1327	{"ADC1", NULL, "ADC1 Mux"},
1328	{"ADC2", NULL, "ADC2 Mux"},
1329	{"I2S ADC1L", "Switch", "ADC1"},
1330	{"I2S ADC1R", "Switch", "ADC1"},
1331	{"I2S ADC2L", "Switch", "ADC2"},
1332	{"I2S ADC2R", "Switch", "ADC2"},
1333	{"Out AIF", NULL, "I2S ADC1L"},
1334	{"Out AIF", NULL, "I2S ADC1R"},
1335	{"Out AIF", NULL, "I2S ADC2L"},
1336	{"Out AIF", NULL, "I2S ADC2R"},
1337	{"Out AIF", NULL, "AFG Power"},
1338	{"AEC REF", NULL, "Out AIF"},
1339	{"PortB In En", NULL, "PortB Power"},
1340	{"PortC In En", NULL, "PortC Power"},
1341	{"PortD In En", NULL, "PortD Power"},
1342	{"PortE In En", NULL, "PortE Power"},
1343};
1344
1345static int cx2072x_set_bias_level(struct snd_soc_component *codec,
1346				  enum snd_soc_bias_level level)
1347{
1348	struct cx2072x_priv *cx2072x = snd_soc_component_get_drvdata(codec);
1349	const enum snd_soc_bias_level old_level =
1350		snd_soc_component_get_bias_level(codec);
1351
1352	if (level == SND_SOC_BIAS_STANDBY && old_level == SND_SOC_BIAS_OFF)
1353		regmap_write(cx2072x->regmap, CX2072X_AFG_POWER_STATE, 0);
1354	else if (level == SND_SOC_BIAS_OFF && old_level != SND_SOC_BIAS_OFF)
1355		regmap_write(cx2072x->regmap, CX2072X_AFG_POWER_STATE, 3);
1356
1357	return 0;
1358}
1359
1360/*
1361 * FIXME: the whole jack detection code below is pretty platform-specific;
1362 * it has lots of implicit assumptions about the pins, etc.
1363 * However, since we have no other code and reference, take this hard-coded
1364 * setup for now.  Once when we have different platform implementations,
1365 * this needs to be rewritten in a more generic form, or moving into the
1366 * platform data.
1367 */
1368static void cx2072x_enable_jack_detect(struct snd_soc_component *codec)
1369{
1370	struct cx2072x_priv *cx2072x = snd_soc_component_get_drvdata(codec);
1371	struct snd_soc_dapm_context *dapm = snd_soc_component_get_dapm(codec);
1372
1373	/* No-sticky input type */
1374	regmap_write(cx2072x->regmap, CX2072X_GPIO_STICKY_MASK, 0x1f);
1375
1376	/* Use GPOI0 as interrupt pin */
1377	regmap_write(cx2072x->regmap, CX2072X_UM_INTERRUPT_CRTL_E, 0x12 << 24);
1378
1379	/* Enables unsolitited message on PortA */
1380	regmap_write(cx2072x->regmap, CX2072X_PORTA_UNSOLICITED_RESPONSE, 0x80);
1381
1382	/* support both nokia and apple headset set. Monitor time = 275 ms */
1383	regmap_write(cx2072x->regmap, CX2072X_DIGITAL_TEST15, 0x73);
1384
1385	/* Disable TIP detection */
1386	regmap_write(cx2072x->regmap, CX2072X_ANALOG_TEST12, 0x300);
1387
1388	/* Switch MusicD3Live pin to GPIO */
1389	regmap_write(cx2072x->regmap, CX2072X_DIGITAL_TEST1, 0);
1390
1391	snd_soc_dapm_mutex_lock(dapm);
1392
1393	snd_soc_dapm_force_enable_pin_unlocked(dapm, "PORTD");
1394	snd_soc_dapm_force_enable_pin_unlocked(dapm, "Headset Bias");
1395	snd_soc_dapm_force_enable_pin_unlocked(dapm, "PortD Mic Bias");
1396
1397	snd_soc_dapm_mutex_unlock(dapm);
1398}
1399
1400static void cx2072x_disable_jack_detect(struct snd_soc_component *codec)
1401{
1402	struct cx2072x_priv *cx2072x = snd_soc_component_get_drvdata(codec);
1403
1404	regmap_write(cx2072x->regmap, CX2072X_UM_INTERRUPT_CRTL_E, 0);
1405	regmap_write(cx2072x->regmap, CX2072X_PORTA_UNSOLICITED_RESPONSE, 0);
1406}
1407
1408static int cx2072x_jack_status_check(void *data)
1409{
1410	struct snd_soc_component *codec = data;
1411	struct cx2072x_priv *cx2072x = snd_soc_component_get_drvdata(codec);
1412	unsigned int jack;
1413	unsigned int type = 0;
1414	int state = 0;
1415
1416	mutex_lock(&cx2072x->lock);
1417
1418	regmap_read(cx2072x->regmap, CX2072X_PORTA_PIN_SENSE, &jack);
1419	jack = jack >> 24;
1420	regmap_read(cx2072x->regmap, CX2072X_DIGITAL_TEST11, &type);
1421
1422	if (jack == 0x80) {
1423		type = type >> 8;
1424
1425		if (type & 0x8) {
1426			/* Apple headset */
1427			state |= SND_JACK_HEADSET;
1428			if (type & 0x2)
1429				state |= SND_JACK_BTN_0;
1430		} else {
1431			/*
1432			 * Nokia headset (type & 0x4) and
1433			 * regular Headphone
1434			 */
1435			state |= SND_JACK_HEADPHONE;
1436		}
1437	}
1438
1439	/* clear interrupt */
1440	regmap_write(cx2072x->regmap, CX2072X_UM_INTERRUPT_CRTL_E, 0x12 << 24);
1441
1442	mutex_unlock(&cx2072x->lock);
1443
1444	dev_dbg(codec->dev, "CX2072X_HSDETECT type=0x%X,Jack state = %x\n",
1445		type, state);
1446	return state;
1447}
1448
1449static const struct snd_soc_jack_gpio cx2072x_jack_gpio = {
1450	.name = "headset",
1451	.report = SND_JACK_HEADSET | SND_JACK_BTN_0,
1452	.debounce_time = 150,
1453	.wake = true,
1454	.jack_status_check = cx2072x_jack_status_check,
1455};
1456
1457static int cx2072x_set_jack(struct snd_soc_component *codec,
1458			    struct snd_soc_jack *jack, void *data)
1459{
1460	struct cx2072x_priv *cx2072x = snd_soc_component_get_drvdata(codec);
1461	int err;
1462
1463	if (!jack) {
1464		cx2072x_disable_jack_detect(codec);
1465		return 0;
1466	}
1467
1468	if (!cx2072x->jack_gpio.gpiod_dev) {
1469		cx2072x->jack_gpio = cx2072x_jack_gpio;
1470		cx2072x->jack_gpio.gpiod_dev = codec->dev;
1471		cx2072x->jack_gpio.data = codec;
1472		err = snd_soc_jack_add_gpios(jack, 1, &cx2072x->jack_gpio);
1473		if (err) {
1474			cx2072x->jack_gpio.gpiod_dev = NULL;
1475			return err;
1476		}
1477	}
1478
1479	cx2072x_enable_jack_detect(codec);
1480	return 0;
1481}
1482
1483static int cx2072x_probe(struct snd_soc_component *codec)
1484{
1485	struct cx2072x_priv *cx2072x = snd_soc_component_get_drvdata(codec);
1486
1487	cx2072x->codec = codec;
1488
1489	/*
1490	 * FIXME: below is, again, a very platform-specific init sequence,
1491	 * but we keep the code here just for simplicity.  It seems that all
1492	 * existing hardware implementations require this, so there is no very
1493	 * much reason to move this out of the codec driver to the platform
1494	 * data.
1495	 * But of course it's no "right" thing; if you are a good boy, don't
1496	 * read and follow the code like this!
1497	 */
1498	pm_runtime_get_sync(codec->dev);
1499	regmap_write(cx2072x->regmap, CX2072X_AFG_POWER_STATE, 0);
1500
1501	regmap_multi_reg_write(cx2072x->regmap, cx2072x_reg_init,
1502			       ARRAY_SIZE(cx2072x_reg_init));
1503
1504	/* configure PortC as input device */
1505	regmap_update_bits(cx2072x->regmap, CX2072X_PORTC_PIN_CTRL,
1506			   0x20, 0x20);
1507
1508	regmap_update_bits(cx2072x->regmap, CX2072X_DIGITAL_BIOS_TEST2,
1509			   0x84, 0xff);
1510
1511	regmap_write(cx2072x->regmap, CX2072X_AFG_POWER_STATE, 3);
1512	pm_runtime_put(codec->dev);
1513
1514	return 0;
1515}
1516
1517static const struct snd_soc_component_driver soc_codec_driver_cx2072x = {
1518	.probe = cx2072x_probe,
1519	.set_bias_level = cx2072x_set_bias_level,
1520	.set_jack = cx2072x_set_jack,
1521	.controls = cx2072x_snd_controls,
1522	.num_controls = ARRAY_SIZE(cx2072x_snd_controls),
1523	.dapm_widgets = cx2072x_dapm_widgets,
1524	.num_dapm_widgets = ARRAY_SIZE(cx2072x_dapm_widgets),
1525	.dapm_routes = cx2072x_intercon,
1526	.num_dapm_routes = ARRAY_SIZE(cx2072x_intercon),
1527	.endianness = 1,
1528};
1529
1530/*
1531 * DAI ops
1532 */
1533static const struct snd_soc_dai_ops cx2072x_dai_ops = {
1534	.set_sysclk = cx2072x_set_dai_sysclk,
1535	.set_fmt = cx2072x_set_dai_fmt,
1536	.hw_params = cx2072x_hw_params,
1537	.set_bclk_ratio = cx2072x_set_dai_bclk_ratio,
1538};
1539
1540static int cx2072x_dsp_dai_probe(struct snd_soc_dai *dai)
1541{
1542	struct cx2072x_priv *cx2072x =
1543		snd_soc_component_get_drvdata(dai->component);
1544
1545	cx2072x->en_aec_ref = true;
1546	return 0;
1547}
1548
1549static const struct snd_soc_dai_ops cx2072x_dai_ops2 = {
1550	.probe		= cx2072x_dsp_dai_probe,
1551	.set_sysclk	= cx2072x_set_dai_sysclk,
1552	.set_fmt	= cx2072x_set_dai_fmt,
1553	.hw_params	= cx2072x_hw_params,
1554	.set_bclk_ratio	= cx2072x_set_dai_bclk_ratio,
1555};
1556
1557#define CX2072X_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S24_LE)
1558
1559static struct snd_soc_dai_driver soc_codec_cx2072x_dai[] = {
1560	{ /* playback and capture */
1561		.name = "cx2072x-hifi",
1562		.id	= CX2072X_DAI_HIFI,
1563		.playback = {
1564			.stream_name = "Playback",
1565			.channels_min = 1,
1566			.channels_max = 2,
1567			.rates = CX2072X_RATES_DSP,
1568			.formats = CX2072X_FORMATS,
1569		},
1570		.capture = {
1571			.stream_name = "Capture",
1572			.channels_min = 1,
1573			.channels_max = 2,
1574			.rates = CX2072X_RATES_DSP,
1575			.formats = CX2072X_FORMATS,
1576		},
1577		.ops = &cx2072x_dai_ops,
1578		.symmetric_rate = 1,
1579	},
1580	{ /* plabayck only, return echo reference to Conexant DSP chip */
1581		.name = "cx2072x-dsp",
1582		.id	= CX2072X_DAI_DSP,
1583		.playback = {
1584			.stream_name = "DSP Playback",
1585			.channels_min = 2,
1586			.channels_max = 2,
1587			.rates = CX2072X_RATES_DSP,
1588			.formats = CX2072X_FORMATS,
1589		},
1590		.ops = &cx2072x_dai_ops2,
1591	},
1592	{ /* plabayck only, return echo reference through I2S TX */
1593		.name = "cx2072x-aec",
1594		.id	= 3,
1595		.capture = {
1596			.stream_name = "AEC Capture",
1597			.channels_min = 2,
1598			.channels_max = 2,
1599			.rates = CX2072X_RATES_DSP,
1600			.formats = CX2072X_FORMATS,
1601		},
1602	},
1603};
1604
1605static const struct regmap_config cx2072x_regmap = {
1606	.reg_bits = 16,
1607	.val_bits = 32,
1608	.max_register = CX2072X_REG_MAX,
1609	.reg_defaults = cx2072x_reg_defaults,
1610	.num_reg_defaults = ARRAY_SIZE(cx2072x_reg_defaults),
1611	.cache_type = REGCACHE_RBTREE,
1612	.readable_reg = cx2072x_readable_register,
1613	.volatile_reg = cx2072x_volatile_register,
1614	/* Needs custom read/write functions for various register lengths */
1615	.reg_read = cx2072x_reg_read,
1616	.reg_write = cx2072x_reg_write,
1617};
1618
1619static int __maybe_unused cx2072x_runtime_suspend(struct device *dev)
1620{
1621	struct cx2072x_priv *cx2072x = dev_get_drvdata(dev);
1622
1623	clk_disable_unprepare(cx2072x->mclk);
1624	return 0;
1625}
1626
1627static int __maybe_unused cx2072x_runtime_resume(struct device *dev)
1628{
1629	struct cx2072x_priv *cx2072x = dev_get_drvdata(dev);
1630
1631	return clk_prepare_enable(cx2072x->mclk);
1632}
1633
1634static int cx2072x_i2c_probe(struct i2c_client *i2c)
1635{
1636	struct cx2072x_priv *cx2072x;
1637	unsigned int ven_id, rev_id;
1638	int ret;
1639
1640	cx2072x = devm_kzalloc(&i2c->dev, sizeof(struct cx2072x_priv),
1641			       GFP_KERNEL);
1642	if (!cx2072x)
1643		return -ENOMEM;
1644
1645	cx2072x->regmap = devm_regmap_init(&i2c->dev, NULL, i2c,
1646					   &cx2072x_regmap);
1647	if (IS_ERR(cx2072x->regmap))
1648		return PTR_ERR(cx2072x->regmap);
1649
1650	mutex_init(&cx2072x->lock);
1651
1652	i2c_set_clientdata(i2c, cx2072x);
1653
1654	cx2072x->dev = &i2c->dev;
1655	cx2072x->pll_changed = true;
1656	cx2072x->i2spcm_changed = true;
1657	cx2072x->bclk_ratio = 0;
1658
1659	cx2072x->mclk = devm_clk_get(cx2072x->dev, "mclk");
1660	if (IS_ERR(cx2072x->mclk)) {
1661		dev_err(cx2072x->dev, "Failed to get MCLK\n");
1662		return PTR_ERR(cx2072x->mclk);
1663	}
1664
1665	regmap_read(cx2072x->regmap, CX2072X_VENDOR_ID, &ven_id);
1666	regmap_read(cx2072x->regmap, CX2072X_REVISION_ID, &rev_id);
1667
1668	dev_info(cx2072x->dev, "codec version: %08x,%08x\n", ven_id, rev_id);
1669
1670	ret = devm_snd_soc_register_component(cx2072x->dev,
1671					      &soc_codec_driver_cx2072x,
1672					      soc_codec_cx2072x_dai,
1673					      ARRAY_SIZE(soc_codec_cx2072x_dai));
1674	if (ret < 0)
1675		return ret;
1676
1677	pm_runtime_use_autosuspend(cx2072x->dev);
1678	pm_runtime_enable(cx2072x->dev);
1679
1680	return 0;
1681}
1682
1683static void cx2072x_i2c_remove(struct i2c_client *i2c)
1684{
1685	pm_runtime_disable(&i2c->dev);
1686}
1687
1688static const struct i2c_device_id cx2072x_i2c_id[] = {
1689	{ "cx20721", 0 },
1690	{ "cx20723", 0 },
1691	{}
1692};
1693MODULE_DEVICE_TABLE(i2c, cx2072x_i2c_id);
1694
1695#ifdef CONFIG_ACPI
1696static struct acpi_device_id cx2072x_acpi_match[] = {
1697	{ "14F10720", 0 },
1698	{},
1699};
1700MODULE_DEVICE_TABLE(acpi, cx2072x_acpi_match);
1701#endif
1702
1703static const struct dev_pm_ops cx2072x_runtime_pm = {
1704	SET_RUNTIME_PM_OPS(cx2072x_runtime_suspend, cx2072x_runtime_resume,
1705			   NULL)
1706	SET_SYSTEM_SLEEP_PM_OPS(pm_runtime_force_suspend,
1707				pm_runtime_force_resume)
1708};
1709
1710static struct i2c_driver cx2072x_i2c_driver = {
1711	.driver = {
1712		.name = "cx2072x",
1713		.acpi_match_table = ACPI_PTR(cx2072x_acpi_match),
1714		.pm = &cx2072x_runtime_pm,
1715	},
1716	.probe = cx2072x_i2c_probe,
1717	.remove = cx2072x_i2c_remove,
1718	.id_table = cx2072x_i2c_id,
1719};
1720
1721module_i2c_driver(cx2072x_i2c_driver);
1722
1723MODULE_DESCRIPTION("ASoC cx2072x Codec Driver");
1724MODULE_AUTHOR("Simon Ho <simon.ho@conexant.com>");
1725MODULE_LICENSE("GPL");
1726