xref: /openbmc/linux/sound/soc/codecs/wm8904.c (revision 03862cf62ea36d6cf3d94eee84b89578cbcf0213)
1a91eb199SMark Brown /*
2a91eb199SMark Brown  * wm8904.c  --  WM8904 ALSA SoC Audio driver
3a91eb199SMark Brown  *
4656baaebSMark Brown  * Copyright 2009-12 Wolfson Microelectronics plc
5a91eb199SMark Brown  *
6a91eb199SMark Brown  * Author: Mark Brown <broonie@opensource.wolfsonmicro.com>
7a91eb199SMark Brown  *
8a91eb199SMark Brown  *
9a91eb199SMark Brown  * This program is free software; you can redistribute it and/or modify
10a91eb199SMark Brown  * it under the terms of the GNU General Public License version 2 as
11a91eb199SMark Brown  * published by the Free Software Foundation.
12a91eb199SMark Brown  */
13a91eb199SMark Brown 
14a91eb199SMark Brown #include <linux/module.h>
15a91eb199SMark Brown #include <linux/moduleparam.h>
16a91eb199SMark Brown #include <linux/init.h>
17a91eb199SMark Brown #include <linux/delay.h>
18a91eb199SMark Brown #include <linux/pm.h>
19a91eb199SMark Brown #include <linux/i2c.h>
2084d0d831SMark Brown #include <linux/regmap.h>
21a91eb199SMark Brown #include <linux/regulator/consumer.h>
225a0e3ad6STejun Heo #include <linux/slab.h>
23a91eb199SMark Brown #include <sound/core.h>
24a91eb199SMark Brown #include <sound/pcm.h>
25a91eb199SMark Brown #include <sound/pcm_params.h>
26a91eb199SMark Brown #include <sound/soc.h>
27a91eb199SMark Brown #include <sound/initval.h>
28a91eb199SMark Brown #include <sound/tlv.h>
29a91eb199SMark Brown #include <sound/wm8904.h>
30a91eb199SMark Brown 
31a91eb199SMark Brown #include "wm8904.h"
32a91eb199SMark Brown 
338c126474SMark Brown enum wm8904_type {
348c126474SMark Brown 	WM8904,
358c126474SMark Brown 	WM8912,
368c126474SMark Brown };
378c126474SMark Brown 
38a91eb199SMark Brown #define WM8904_NUM_DCS_CHANNELS 4
39a91eb199SMark Brown 
40a91eb199SMark Brown #define WM8904_NUM_SUPPLIES 5
41a91eb199SMark Brown static const char *wm8904_supply_names[WM8904_NUM_SUPPLIES] = {
42a91eb199SMark Brown 	"DCVDD",
43a91eb199SMark Brown 	"DBVDD",
44a91eb199SMark Brown 	"AVDD",
45a91eb199SMark Brown 	"CPVDD",
46a91eb199SMark Brown 	"MICVDD",
47a91eb199SMark Brown };
48a91eb199SMark Brown 
49a91eb199SMark Brown /* codec private data */
50a91eb199SMark Brown struct wm8904_priv {
5184d0d831SMark Brown 	struct regmap *regmap;
52f0fba2adSLiam Girdwood 
538c126474SMark Brown 	enum wm8904_type devtype;
548c126474SMark Brown 
55a91eb199SMark Brown 	struct regulator_bulk_data supplies[WM8904_NUM_SUPPLIES];
56a91eb199SMark Brown 
57a91eb199SMark Brown 	struct wm8904_pdata *pdata;
58a91eb199SMark Brown 
59a91eb199SMark Brown 	int deemph;
60a91eb199SMark Brown 
61a91eb199SMark Brown 	/* Platform provided DRC configuration */
62a91eb199SMark Brown 	const char **drc_texts;
63a91eb199SMark Brown 	int drc_cfg;
64a91eb199SMark Brown 	struct soc_enum drc_enum;
65a91eb199SMark Brown 
66a91eb199SMark Brown 	/* Platform provided ReTune mobile configuration */
67a91eb199SMark Brown 	int num_retune_mobile_texts;
68a91eb199SMark Brown 	const char **retune_mobile_texts;
69a91eb199SMark Brown 	int retune_mobile_cfg;
70a91eb199SMark Brown 	struct soc_enum retune_mobile_enum;
71a91eb199SMark Brown 
72a91eb199SMark Brown 	/* FLL setup */
73a91eb199SMark Brown 	int fll_src;
74a91eb199SMark Brown 	int fll_fref;
75a91eb199SMark Brown 	int fll_fout;
76a91eb199SMark Brown 
77a91eb199SMark Brown 	/* Clocking configuration */
78a91eb199SMark Brown 	unsigned int mclk_rate;
79a91eb199SMark Brown 	int sysclk_src;
80a91eb199SMark Brown 	unsigned int sysclk_rate;
81a91eb199SMark Brown 
82a91eb199SMark Brown 	int tdm_width;
83a91eb199SMark Brown 	int tdm_slots;
84a91eb199SMark Brown 	int bclk;
85a91eb199SMark Brown 	int fs;
86a91eb199SMark Brown 
87a91eb199SMark Brown 	/* DC servo configuration - cached offset values */
88a91eb199SMark Brown 	int dcs_state[WM8904_NUM_DCS_CHANNELS];
89a91eb199SMark Brown };
90a91eb199SMark Brown 
9184d0d831SMark Brown static const struct reg_default wm8904_reg_defaults[] = {
9284d0d831SMark Brown 	{ 4,   0x0018 },     /* R4   - Bias Control 0 */
9384d0d831SMark Brown 	{ 5,   0x0000 },     /* R5   - VMID Control 0 */
9484d0d831SMark Brown 	{ 6,   0x0000 },     /* R6   - Mic Bias Control 0 */
9584d0d831SMark Brown 	{ 7,   0x0000 },     /* R7   - Mic Bias Control 1 */
9684d0d831SMark Brown 	{ 8,   0x0001 },     /* R8   - Analogue DAC 0 */
9784d0d831SMark Brown 	{ 9,   0x9696 },     /* R9   - mic Filter Control */
9884d0d831SMark Brown 	{ 10,  0x0001 },     /* R10  - Analogue ADC 0 */
9984d0d831SMark Brown 	{ 12,  0x0000 },     /* R12  - Power Management 0 */
10084d0d831SMark Brown 	{ 14,  0x0000 },     /* R14  - Power Management 2 */
10184d0d831SMark Brown 	{ 15,  0x0000 },     /* R15  - Power Management 3 */
10284d0d831SMark Brown 	{ 18,  0x0000 },     /* R18  - Power Management 6 */
10384d0d831SMark Brown 	{ 19,  0x945E },     /* R20  - Clock Rates 0 */
10484d0d831SMark Brown 	{ 21,  0x0C05 },     /* R21  - Clock Rates 1 */
10584d0d831SMark Brown 	{ 22,  0x0006 },     /* R22  - Clock Rates 2 */
10684d0d831SMark Brown 	{ 24,  0x0050 },     /* R24  - Audio Interface 0 */
10784d0d831SMark Brown 	{ 25,  0x000A },     /* R25  - Audio Interface 1 */
10884d0d831SMark Brown 	{ 26,  0x00E4 },     /* R26  - Audio Interface 2 */
10984d0d831SMark Brown 	{ 27,  0x0040 },     /* R27  - Audio Interface 3 */
11084d0d831SMark Brown 	{ 30,  0x00C0 },     /* R30  - DAC Digital Volume Left */
11184d0d831SMark Brown 	{ 31,  0x00C0 },     /* R31  - DAC Digital Volume Right */
11284d0d831SMark Brown 	{ 32,  0x0000 },     /* R32  - DAC Digital 0 */
11384d0d831SMark Brown 	{ 33,  0x0008 },     /* R33  - DAC Digital 1 */
11484d0d831SMark Brown 	{ 36,  0x00C0 },     /* R36  - ADC Digital Volume Left */
11584d0d831SMark Brown 	{ 37,  0x00C0 },     /* R37  - ADC Digital Volume Right */
11684d0d831SMark Brown 	{ 38,  0x0010 },     /* R38  - ADC Digital 0 */
11784d0d831SMark Brown 	{ 39,  0x0000 },     /* R39  - Digital Microphone 0 */
11884d0d831SMark Brown 	{ 40,  0x01AF },     /* R40  - DRC 0 */
11984d0d831SMark Brown 	{ 41,  0x3248 },     /* R41  - DRC 1 */
12084d0d831SMark Brown 	{ 42,  0x0000 },     /* R42  - DRC 2 */
12184d0d831SMark Brown 	{ 43,  0x0000 },     /* R43  - DRC 3 */
12284d0d831SMark Brown 	{ 44,  0x0085 },     /* R44  - Analogue Left Input 0 */
12384d0d831SMark Brown 	{ 45,  0x0085 },     /* R45  - Analogue Right Input 0 */
12484d0d831SMark Brown 	{ 46,  0x0044 },     /* R46  - Analogue Left Input 1 */
12584d0d831SMark Brown 	{ 47,  0x0044 },     /* R47  - Analogue Right Input 1 */
12684d0d831SMark Brown 	{ 57,  0x002D },     /* R57  - Analogue OUT1 Left */
12784d0d831SMark Brown 	{ 58,  0x002D },     /* R58  - Analogue OUT1 Right */
12884d0d831SMark Brown 	{ 59,  0x0039 },     /* R59  - Analogue OUT2 Left */
12984d0d831SMark Brown 	{ 60,  0x0039 },     /* R60  - Analogue OUT2 Right */
13084d0d831SMark Brown 	{ 61,  0x0000 },     /* R61  - Analogue OUT12 ZC */
13184d0d831SMark Brown 	{ 67,  0x0000 },     /* R67  - DC Servo 0 */
13284d0d831SMark Brown 	{ 69,  0xAAAA },     /* R69  - DC Servo 2 */
13384d0d831SMark Brown 	{ 71,  0xAAAA },     /* R71  - DC Servo 4 */
13484d0d831SMark Brown 	{ 72,  0xAAAA },     /* R72  - DC Servo 5 */
13584d0d831SMark Brown 	{ 90,  0x0000 },     /* R90  - Analogue HP 0 */
13684d0d831SMark Brown 	{ 94,  0x0000 },     /* R94  - Analogue Lineout 0 */
13784d0d831SMark Brown 	{ 98,  0x0000 },     /* R98  - Charge Pump 0 */
13884d0d831SMark Brown 	{ 104, 0x0004 },     /* R104 - Class W 0 */
13984d0d831SMark Brown 	{ 108, 0x0000 },     /* R108 - Write Sequencer 0 */
14084d0d831SMark Brown 	{ 109, 0x0000 },     /* R109 - Write Sequencer 1 */
14184d0d831SMark Brown 	{ 110, 0x0000 },     /* R110 - Write Sequencer 2 */
14284d0d831SMark Brown 	{ 111, 0x0000 },     /* R111 - Write Sequencer 3 */
14384d0d831SMark Brown 	{ 112, 0x0000 },     /* R112 - Write Sequencer 4 */
14484d0d831SMark Brown 	{ 116, 0x0000 },     /* R116 - FLL Control 1 */
14584d0d831SMark Brown 	{ 117, 0x0007 },     /* R117 - FLL Control 2 */
14684d0d831SMark Brown 	{ 118, 0x0000 },     /* R118 - FLL Control 3 */
14784d0d831SMark Brown 	{ 119, 0x2EE0 },     /* R119 - FLL Control 4 */
14884d0d831SMark Brown 	{ 120, 0x0004 },     /* R120 - FLL Control 5 */
14984d0d831SMark Brown 	{ 121, 0x0014 },     /* R121 - GPIO Control 1 */
15084d0d831SMark Brown 	{ 122, 0x0010 },     /* R122 - GPIO Control 2 */
15184d0d831SMark Brown 	{ 123, 0x0010 },     /* R123 - GPIO Control 3 */
15284d0d831SMark Brown 	{ 124, 0x0000 },     /* R124 - GPIO Control 4 */
15384d0d831SMark Brown 	{ 126, 0x0000 },     /* R126 - Digital Pulls */
15484d0d831SMark Brown 	{ 128, 0xFFFF },     /* R128 - Interrupt Status Mask */
15584d0d831SMark Brown 	{ 129, 0x0000 },     /* R129 - Interrupt Polarity */
15684d0d831SMark Brown 	{ 130, 0x0000 },     /* R130 - Interrupt Debounce */
15784d0d831SMark Brown 	{ 134, 0x0000 },     /* R134 - EQ1 */
15884d0d831SMark Brown 	{ 135, 0x000C },     /* R135 - EQ2 */
15984d0d831SMark Brown 	{ 136, 0x000C },     /* R136 - EQ3 */
16084d0d831SMark Brown 	{ 137, 0x000C },     /* R137 - EQ4 */
16184d0d831SMark Brown 	{ 138, 0x000C },     /* R138 - EQ5 */
16284d0d831SMark Brown 	{ 139, 0x000C },     /* R139 - EQ6 */
16384d0d831SMark Brown 	{ 140, 0x0FCA },     /* R140 - EQ7 */
16484d0d831SMark Brown 	{ 141, 0x0400 },     /* R141 - EQ8 */
16584d0d831SMark Brown 	{ 142, 0x00D8 },     /* R142 - EQ9 */
16684d0d831SMark Brown 	{ 143, 0x1EB5 },     /* R143 - EQ10 */
16784d0d831SMark Brown 	{ 144, 0xF145 },     /* R144 - EQ11 */
16884d0d831SMark Brown 	{ 145, 0x0B75 },     /* R145 - EQ12 */
16984d0d831SMark Brown 	{ 146, 0x01C5 },     /* R146 - EQ13 */
17084d0d831SMark Brown 	{ 147, 0x1C58 },     /* R147 - EQ14 */
17184d0d831SMark Brown 	{ 148, 0xF373 },     /* R148 - EQ15 */
17284d0d831SMark Brown 	{ 149, 0x0A54 },     /* R149 - EQ16 */
17384d0d831SMark Brown 	{ 150, 0x0558 },     /* R150 - EQ17 */
17484d0d831SMark Brown 	{ 151, 0x168E },     /* R151 - EQ18 */
17584d0d831SMark Brown 	{ 152, 0xF829 },     /* R152 - EQ19 */
17684d0d831SMark Brown 	{ 153, 0x07AD },     /* R153 - EQ20 */
17784d0d831SMark Brown 	{ 154, 0x1103 },     /* R154 - EQ21 */
17884d0d831SMark Brown 	{ 155, 0x0564 },     /* R155 - EQ22 */
17984d0d831SMark Brown 	{ 156, 0x0559 },     /* R156 - EQ23 */
18084d0d831SMark Brown 	{ 157, 0x4000 },     /* R157 - EQ24 */
18184d0d831SMark Brown 	{ 161, 0x0000 },     /* R161 - Control Interface Test 1 */
18284d0d831SMark Brown 	{ 204, 0x0000 },     /* R204 - Analogue Output Bias 0 */
18384d0d831SMark Brown 	{ 247, 0x0000 },     /* R247 - FLL NCO Test 0 */
18484d0d831SMark Brown 	{ 248, 0x0019 },     /* R248 - FLL NCO Test 1 */
185a91eb199SMark Brown };
186a91eb199SMark Brown 
18784d0d831SMark Brown static bool wm8904_volatile_register(struct device *dev, unsigned int reg)
188a91eb199SMark Brown {
18984d0d831SMark Brown 	switch (reg) {
19084d0d831SMark Brown 	case WM8904_SW_RESET_AND_ID:
19184d0d831SMark Brown 	case WM8904_REVISION:
19284d0d831SMark Brown 	case WM8904_DC_SERVO_1:
19384d0d831SMark Brown 	case WM8904_DC_SERVO_6:
19484d0d831SMark Brown 	case WM8904_DC_SERVO_7:
19584d0d831SMark Brown 	case WM8904_DC_SERVO_8:
19684d0d831SMark Brown 	case WM8904_DC_SERVO_9:
19784d0d831SMark Brown 	case WM8904_DC_SERVO_READBACK_0:
19884d0d831SMark Brown 	case WM8904_INTERRUPT_STATUS:
19984d0d831SMark Brown 		return true;
20084d0d831SMark Brown 	default:
20184d0d831SMark Brown 		return false;
20284d0d831SMark Brown 	}
20384d0d831SMark Brown }
20484d0d831SMark Brown 
20584d0d831SMark Brown static bool wm8904_readable_register(struct device *dev, unsigned int reg)
20684d0d831SMark Brown {
20784d0d831SMark Brown 	switch (reg) {
20884d0d831SMark Brown 	case WM8904_SW_RESET_AND_ID:
20984d0d831SMark Brown 	case WM8904_REVISION:
21084d0d831SMark Brown 	case WM8904_BIAS_CONTROL_0:
21184d0d831SMark Brown 	case WM8904_VMID_CONTROL_0:
21284d0d831SMark Brown 	case WM8904_MIC_BIAS_CONTROL_0:
21384d0d831SMark Brown 	case WM8904_MIC_BIAS_CONTROL_1:
21484d0d831SMark Brown 	case WM8904_ANALOGUE_DAC_0:
21584d0d831SMark Brown 	case WM8904_MIC_FILTER_CONTROL:
21684d0d831SMark Brown 	case WM8904_ANALOGUE_ADC_0:
21784d0d831SMark Brown 	case WM8904_POWER_MANAGEMENT_0:
21884d0d831SMark Brown 	case WM8904_POWER_MANAGEMENT_2:
21984d0d831SMark Brown 	case WM8904_POWER_MANAGEMENT_3:
22084d0d831SMark Brown 	case WM8904_POWER_MANAGEMENT_6:
22184d0d831SMark Brown 	case WM8904_CLOCK_RATES_0:
22284d0d831SMark Brown 	case WM8904_CLOCK_RATES_1:
22384d0d831SMark Brown 	case WM8904_CLOCK_RATES_2:
22484d0d831SMark Brown 	case WM8904_AUDIO_INTERFACE_0:
22584d0d831SMark Brown 	case WM8904_AUDIO_INTERFACE_1:
22684d0d831SMark Brown 	case WM8904_AUDIO_INTERFACE_2:
22784d0d831SMark Brown 	case WM8904_AUDIO_INTERFACE_3:
22884d0d831SMark Brown 	case WM8904_DAC_DIGITAL_VOLUME_LEFT:
22984d0d831SMark Brown 	case WM8904_DAC_DIGITAL_VOLUME_RIGHT:
23084d0d831SMark Brown 	case WM8904_DAC_DIGITAL_0:
23184d0d831SMark Brown 	case WM8904_DAC_DIGITAL_1:
23284d0d831SMark Brown 	case WM8904_ADC_DIGITAL_VOLUME_LEFT:
23384d0d831SMark Brown 	case WM8904_ADC_DIGITAL_VOLUME_RIGHT:
23484d0d831SMark Brown 	case WM8904_ADC_DIGITAL_0:
23584d0d831SMark Brown 	case WM8904_DIGITAL_MICROPHONE_0:
23684d0d831SMark Brown 	case WM8904_DRC_0:
23784d0d831SMark Brown 	case WM8904_DRC_1:
23884d0d831SMark Brown 	case WM8904_DRC_2:
23984d0d831SMark Brown 	case WM8904_DRC_3:
24084d0d831SMark Brown 	case WM8904_ANALOGUE_LEFT_INPUT_0:
24184d0d831SMark Brown 	case WM8904_ANALOGUE_RIGHT_INPUT_0:
24284d0d831SMark Brown 	case WM8904_ANALOGUE_LEFT_INPUT_1:
24384d0d831SMark Brown 	case WM8904_ANALOGUE_RIGHT_INPUT_1:
24484d0d831SMark Brown 	case WM8904_ANALOGUE_OUT1_LEFT:
24584d0d831SMark Brown 	case WM8904_ANALOGUE_OUT1_RIGHT:
24684d0d831SMark Brown 	case WM8904_ANALOGUE_OUT2_LEFT:
24784d0d831SMark Brown 	case WM8904_ANALOGUE_OUT2_RIGHT:
24884d0d831SMark Brown 	case WM8904_ANALOGUE_OUT12_ZC:
24984d0d831SMark Brown 	case WM8904_DC_SERVO_0:
25084d0d831SMark Brown 	case WM8904_DC_SERVO_1:
25184d0d831SMark Brown 	case WM8904_DC_SERVO_2:
25284d0d831SMark Brown 	case WM8904_DC_SERVO_4:
25384d0d831SMark Brown 	case WM8904_DC_SERVO_5:
25484d0d831SMark Brown 	case WM8904_DC_SERVO_6:
25584d0d831SMark Brown 	case WM8904_DC_SERVO_7:
25684d0d831SMark Brown 	case WM8904_DC_SERVO_8:
25784d0d831SMark Brown 	case WM8904_DC_SERVO_9:
25884d0d831SMark Brown 	case WM8904_DC_SERVO_READBACK_0:
25984d0d831SMark Brown 	case WM8904_ANALOGUE_HP_0:
26084d0d831SMark Brown 	case WM8904_ANALOGUE_LINEOUT_0:
26184d0d831SMark Brown 	case WM8904_CHARGE_PUMP_0:
26284d0d831SMark Brown 	case WM8904_CLASS_W_0:
26384d0d831SMark Brown 	case WM8904_WRITE_SEQUENCER_0:
26484d0d831SMark Brown 	case WM8904_WRITE_SEQUENCER_1:
26584d0d831SMark Brown 	case WM8904_WRITE_SEQUENCER_2:
26684d0d831SMark Brown 	case WM8904_WRITE_SEQUENCER_3:
26784d0d831SMark Brown 	case WM8904_WRITE_SEQUENCER_4:
26884d0d831SMark Brown 	case WM8904_FLL_CONTROL_1:
26984d0d831SMark Brown 	case WM8904_FLL_CONTROL_2:
27084d0d831SMark Brown 	case WM8904_FLL_CONTROL_3:
27184d0d831SMark Brown 	case WM8904_FLL_CONTROL_4:
27284d0d831SMark Brown 	case WM8904_FLL_CONTROL_5:
27384d0d831SMark Brown 	case WM8904_GPIO_CONTROL_1:
27484d0d831SMark Brown 	case WM8904_GPIO_CONTROL_2:
27584d0d831SMark Brown 	case WM8904_GPIO_CONTROL_3:
27684d0d831SMark Brown 	case WM8904_GPIO_CONTROL_4:
27784d0d831SMark Brown 	case WM8904_DIGITAL_PULLS:
27884d0d831SMark Brown 	case WM8904_INTERRUPT_STATUS:
27984d0d831SMark Brown 	case WM8904_INTERRUPT_STATUS_MASK:
28084d0d831SMark Brown 	case WM8904_INTERRUPT_POLARITY:
28184d0d831SMark Brown 	case WM8904_INTERRUPT_DEBOUNCE:
28284d0d831SMark Brown 	case WM8904_EQ1:
28384d0d831SMark Brown 	case WM8904_EQ2:
28484d0d831SMark Brown 	case WM8904_EQ3:
28584d0d831SMark Brown 	case WM8904_EQ4:
28684d0d831SMark Brown 	case WM8904_EQ5:
28784d0d831SMark Brown 	case WM8904_EQ6:
28884d0d831SMark Brown 	case WM8904_EQ7:
28984d0d831SMark Brown 	case WM8904_EQ8:
29084d0d831SMark Brown 	case WM8904_EQ9:
29184d0d831SMark Brown 	case WM8904_EQ10:
29284d0d831SMark Brown 	case WM8904_EQ11:
29384d0d831SMark Brown 	case WM8904_EQ12:
29484d0d831SMark Brown 	case WM8904_EQ13:
29584d0d831SMark Brown 	case WM8904_EQ14:
29684d0d831SMark Brown 	case WM8904_EQ15:
29784d0d831SMark Brown 	case WM8904_EQ16:
29884d0d831SMark Brown 	case WM8904_EQ17:
29984d0d831SMark Brown 	case WM8904_EQ18:
30084d0d831SMark Brown 	case WM8904_EQ19:
30184d0d831SMark Brown 	case WM8904_EQ20:
30284d0d831SMark Brown 	case WM8904_EQ21:
30384d0d831SMark Brown 	case WM8904_EQ22:
30484d0d831SMark Brown 	case WM8904_EQ23:
30584d0d831SMark Brown 	case WM8904_EQ24:
30684d0d831SMark Brown 	case WM8904_CONTROL_INTERFACE_TEST_1:
3079b85fc90SMark Brown 	case WM8904_ADC_TEST_0:
30884d0d831SMark Brown 	case WM8904_ANALOGUE_OUTPUT_BIAS_0:
30984d0d831SMark Brown 	case WM8904_FLL_NCO_TEST_0:
31084d0d831SMark Brown 	case WM8904_FLL_NCO_TEST_1:
31184d0d831SMark Brown 		return true;
31284d0d831SMark Brown 	default:
31384d0d831SMark Brown 		return true;
31484d0d831SMark Brown 	}
315a91eb199SMark Brown }
316a91eb199SMark Brown 
317a91eb199SMark Brown static int wm8904_configure_clocking(struct snd_soc_codec *codec)
318a91eb199SMark Brown {
319b2c812e2SMark Brown 	struct wm8904_priv *wm8904 = snd_soc_codec_get_drvdata(codec);
320a91eb199SMark Brown 	unsigned int clock0, clock2, rate;
321a91eb199SMark Brown 
322a91eb199SMark Brown 	/* Gate the clock while we're updating to avoid misclocking */
323a91eb199SMark Brown 	clock2 = snd_soc_read(codec, WM8904_CLOCK_RATES_2);
324a91eb199SMark Brown 	snd_soc_update_bits(codec, WM8904_CLOCK_RATES_2,
325a91eb199SMark Brown 			    WM8904_SYSCLK_SRC, 0);
326a91eb199SMark Brown 
327a91eb199SMark Brown 	/* This should be done on init() for bypass paths */
328a91eb199SMark Brown 	switch (wm8904->sysclk_src) {
329a91eb199SMark Brown 	case WM8904_CLK_MCLK:
330a91eb199SMark Brown 		dev_dbg(codec->dev, "Using %dHz MCLK\n", wm8904->mclk_rate);
331a91eb199SMark Brown 
332a91eb199SMark Brown 		clock2 &= ~WM8904_SYSCLK_SRC;
333a91eb199SMark Brown 		rate = wm8904->mclk_rate;
334a91eb199SMark Brown 
335a91eb199SMark Brown 		/* Ensure the FLL is stopped */
336a91eb199SMark Brown 		snd_soc_update_bits(codec, WM8904_FLL_CONTROL_1,
337a91eb199SMark Brown 				    WM8904_FLL_OSC_ENA | WM8904_FLL_ENA, 0);
338a91eb199SMark Brown 		break;
339a91eb199SMark Brown 
340a91eb199SMark Brown 	case WM8904_CLK_FLL:
341a91eb199SMark Brown 		dev_dbg(codec->dev, "Using %dHz FLL clock\n",
342a91eb199SMark Brown 			wm8904->fll_fout);
343a91eb199SMark Brown 
344a91eb199SMark Brown 		clock2 |= WM8904_SYSCLK_SRC;
345a91eb199SMark Brown 		rate = wm8904->fll_fout;
346a91eb199SMark Brown 		break;
347a91eb199SMark Brown 
348a91eb199SMark Brown 	default:
349a91eb199SMark Brown 		dev_err(codec->dev, "System clock not configured\n");
350a91eb199SMark Brown 		return -EINVAL;
351a91eb199SMark Brown 	}
352a91eb199SMark Brown 
353a91eb199SMark Brown 	/* SYSCLK shouldn't be over 13.5MHz */
354a91eb199SMark Brown 	if (rate > 13500000) {
355a91eb199SMark Brown 		clock0 = WM8904_MCLK_DIV;
356a91eb199SMark Brown 		wm8904->sysclk_rate = rate / 2;
357a91eb199SMark Brown 	} else {
358a91eb199SMark Brown 		clock0 = 0;
359a91eb199SMark Brown 		wm8904->sysclk_rate = rate;
360a91eb199SMark Brown 	}
361a91eb199SMark Brown 
362a91eb199SMark Brown 	snd_soc_update_bits(codec, WM8904_CLOCK_RATES_0, WM8904_MCLK_DIV,
363a91eb199SMark Brown 			    clock0);
364a91eb199SMark Brown 
365a91eb199SMark Brown 	snd_soc_update_bits(codec, WM8904_CLOCK_RATES_2,
366a91eb199SMark Brown 			    WM8904_CLK_SYS_ENA | WM8904_SYSCLK_SRC, clock2);
367a91eb199SMark Brown 
368a91eb199SMark Brown 	dev_dbg(codec->dev, "CLK_SYS is %dHz\n", wm8904->sysclk_rate);
369a91eb199SMark Brown 
370a91eb199SMark Brown 	return 0;
371a91eb199SMark Brown }
372a91eb199SMark Brown 
373a91eb199SMark Brown static void wm8904_set_drc(struct snd_soc_codec *codec)
374a91eb199SMark Brown {
375b2c812e2SMark Brown 	struct wm8904_priv *wm8904 = snd_soc_codec_get_drvdata(codec);
376a91eb199SMark Brown 	struct wm8904_pdata *pdata = wm8904->pdata;
377a91eb199SMark Brown 	int save, i;
378a91eb199SMark Brown 
379a91eb199SMark Brown 	/* Save any enables; the configuration should clear them. */
380a91eb199SMark Brown 	save = snd_soc_read(codec, WM8904_DRC_0);
381a91eb199SMark Brown 
382a91eb199SMark Brown 	for (i = 0; i < WM8904_DRC_REGS; i++)
383a91eb199SMark Brown 		snd_soc_update_bits(codec, WM8904_DRC_0 + i, 0xffff,
384a91eb199SMark Brown 				    pdata->drc_cfgs[wm8904->drc_cfg].regs[i]);
385a91eb199SMark Brown 
386a91eb199SMark Brown 	/* Reenable the DRC */
387a91eb199SMark Brown 	snd_soc_update_bits(codec, WM8904_DRC_0,
388a91eb199SMark Brown 			    WM8904_DRC_ENA | WM8904_DRC_DAC_PATH, save);
389a91eb199SMark Brown }
390a91eb199SMark Brown 
391a91eb199SMark Brown static int wm8904_put_drc_enum(struct snd_kcontrol *kcontrol,
392a91eb199SMark Brown 			       struct snd_ctl_elem_value *ucontrol)
393a91eb199SMark Brown {
394a91eb199SMark Brown 	struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
395b2c812e2SMark Brown 	struct wm8904_priv *wm8904 = snd_soc_codec_get_drvdata(codec);
396a91eb199SMark Brown 	struct wm8904_pdata *pdata = wm8904->pdata;
397a91eb199SMark Brown 	int value = ucontrol->value.integer.value[0];
398a91eb199SMark Brown 
399a91eb199SMark Brown 	if (value >= pdata->num_drc_cfgs)
400a91eb199SMark Brown 		return -EINVAL;
401a91eb199SMark Brown 
402a91eb199SMark Brown 	wm8904->drc_cfg = value;
403a91eb199SMark Brown 
404a91eb199SMark Brown 	wm8904_set_drc(codec);
405a91eb199SMark Brown 
406a91eb199SMark Brown 	return 0;
407a91eb199SMark Brown }
408a91eb199SMark Brown 
409a91eb199SMark Brown static int wm8904_get_drc_enum(struct snd_kcontrol *kcontrol,
410a91eb199SMark Brown 			       struct snd_ctl_elem_value *ucontrol)
411a91eb199SMark Brown {
412a91eb199SMark Brown 	struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
413b2c812e2SMark Brown 	struct wm8904_priv *wm8904 = snd_soc_codec_get_drvdata(codec);
414a91eb199SMark Brown 
415a91eb199SMark Brown 	ucontrol->value.enumerated.item[0] = wm8904->drc_cfg;
416a91eb199SMark Brown 
417a91eb199SMark Brown 	return 0;
418a91eb199SMark Brown }
419a91eb199SMark Brown 
420a91eb199SMark Brown static void wm8904_set_retune_mobile(struct snd_soc_codec *codec)
421a91eb199SMark Brown {
422b2c812e2SMark Brown 	struct wm8904_priv *wm8904 = snd_soc_codec_get_drvdata(codec);
423a91eb199SMark Brown 	struct wm8904_pdata *pdata = wm8904->pdata;
424a91eb199SMark Brown 	int best, best_val, save, i, cfg;
425a91eb199SMark Brown 
426a91eb199SMark Brown 	if (!pdata || !wm8904->num_retune_mobile_texts)
427a91eb199SMark Brown 		return;
428a91eb199SMark Brown 
429a91eb199SMark Brown 	/* Find the version of the currently selected configuration
430a91eb199SMark Brown 	 * with the nearest sample rate. */
431a91eb199SMark Brown 	cfg = wm8904->retune_mobile_cfg;
432a91eb199SMark Brown 	best = 0;
433a91eb199SMark Brown 	best_val = INT_MAX;
434a91eb199SMark Brown 	for (i = 0; i < pdata->num_retune_mobile_cfgs; i++) {
435a91eb199SMark Brown 		if (strcmp(pdata->retune_mobile_cfgs[i].name,
436a91eb199SMark Brown 			   wm8904->retune_mobile_texts[cfg]) == 0 &&
437a91eb199SMark Brown 		    abs(pdata->retune_mobile_cfgs[i].rate
438a91eb199SMark Brown 			- wm8904->fs) < best_val) {
439a91eb199SMark Brown 			best = i;
440a91eb199SMark Brown 			best_val = abs(pdata->retune_mobile_cfgs[i].rate
441a91eb199SMark Brown 				       - wm8904->fs);
442a91eb199SMark Brown 		}
443a91eb199SMark Brown 	}
444a91eb199SMark Brown 
445a91eb199SMark Brown 	dev_dbg(codec->dev, "ReTune Mobile %s/%dHz for %dHz sample rate\n",
446a91eb199SMark Brown 		pdata->retune_mobile_cfgs[best].name,
447a91eb199SMark Brown 		pdata->retune_mobile_cfgs[best].rate,
448a91eb199SMark Brown 		wm8904->fs);
449a91eb199SMark Brown 
450a91eb199SMark Brown 	/* The EQ will be disabled while reconfiguring it, remember the
451a91eb199SMark Brown 	 * current configuration.
452a91eb199SMark Brown 	 */
453a91eb199SMark Brown 	save = snd_soc_read(codec, WM8904_EQ1);
454a91eb199SMark Brown 
455a91eb199SMark Brown 	for (i = 0; i < WM8904_EQ_REGS; i++)
456a91eb199SMark Brown 		snd_soc_update_bits(codec, WM8904_EQ1 + i, 0xffff,
457a91eb199SMark Brown 				pdata->retune_mobile_cfgs[best].regs[i]);
458a91eb199SMark Brown 
459a91eb199SMark Brown 	snd_soc_update_bits(codec, WM8904_EQ1, WM8904_EQ_ENA, save);
460a91eb199SMark Brown }
461a91eb199SMark Brown 
462a91eb199SMark Brown static int wm8904_put_retune_mobile_enum(struct snd_kcontrol *kcontrol,
463a91eb199SMark Brown 					 struct snd_ctl_elem_value *ucontrol)
464a91eb199SMark Brown {
465a91eb199SMark Brown 	struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
466b2c812e2SMark Brown 	struct wm8904_priv *wm8904 = snd_soc_codec_get_drvdata(codec);
467a91eb199SMark Brown 	struct wm8904_pdata *pdata = wm8904->pdata;
468a91eb199SMark Brown 	int value = ucontrol->value.integer.value[0];
469a91eb199SMark Brown 
470a91eb199SMark Brown 	if (value >= pdata->num_retune_mobile_cfgs)
471a91eb199SMark Brown 		return -EINVAL;
472a91eb199SMark Brown 
473a91eb199SMark Brown 	wm8904->retune_mobile_cfg = value;
474a91eb199SMark Brown 
475a91eb199SMark Brown 	wm8904_set_retune_mobile(codec);
476a91eb199SMark Brown 
477a91eb199SMark Brown 	return 0;
478a91eb199SMark Brown }
479a91eb199SMark Brown 
480a91eb199SMark Brown static int wm8904_get_retune_mobile_enum(struct snd_kcontrol *kcontrol,
481a91eb199SMark Brown 					 struct snd_ctl_elem_value *ucontrol)
482a91eb199SMark Brown {
483a91eb199SMark Brown 	struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
484b2c812e2SMark Brown 	struct wm8904_priv *wm8904 = snd_soc_codec_get_drvdata(codec);
485a91eb199SMark Brown 
486a91eb199SMark Brown 	ucontrol->value.enumerated.item[0] = wm8904->retune_mobile_cfg;
487a91eb199SMark Brown 
488a91eb199SMark Brown 	return 0;
489a91eb199SMark Brown }
490a91eb199SMark Brown 
491a91eb199SMark Brown static int deemph_settings[] = { 0, 32000, 44100, 48000 };
492a91eb199SMark Brown 
493a91eb199SMark Brown static int wm8904_set_deemph(struct snd_soc_codec *codec)
494a91eb199SMark Brown {
495b2c812e2SMark Brown 	struct wm8904_priv *wm8904 = snd_soc_codec_get_drvdata(codec);
496a91eb199SMark Brown 	int val, i, best;
497a91eb199SMark Brown 
498a91eb199SMark Brown 	/* If we're using deemphasis select the nearest available sample
499a91eb199SMark Brown 	 * rate.
500a91eb199SMark Brown 	 */
501a91eb199SMark Brown 	if (wm8904->deemph) {
502a91eb199SMark Brown 		best = 1;
503a91eb199SMark Brown 		for (i = 2; i < ARRAY_SIZE(deemph_settings); i++) {
504a91eb199SMark Brown 			if (abs(deemph_settings[i] - wm8904->fs) <
505a91eb199SMark Brown 			    abs(deemph_settings[best] - wm8904->fs))
506a91eb199SMark Brown 				best = i;
507a91eb199SMark Brown 		}
508a91eb199SMark Brown 
509a91eb199SMark Brown 		val = best << WM8904_DEEMPH_SHIFT;
510a91eb199SMark Brown 	} else {
511a91eb199SMark Brown 		val = 0;
512a91eb199SMark Brown 	}
513a91eb199SMark Brown 
514a91eb199SMark Brown 	dev_dbg(codec->dev, "Set deemphasis %d\n", val);
515a91eb199SMark Brown 
516a91eb199SMark Brown 	return snd_soc_update_bits(codec, WM8904_DAC_DIGITAL_1,
517a91eb199SMark Brown 				   WM8904_DEEMPH_MASK, val);
518a91eb199SMark Brown }
519a91eb199SMark Brown 
520a91eb199SMark Brown static int wm8904_get_deemph(struct snd_kcontrol *kcontrol,
521a91eb199SMark Brown 			     struct snd_ctl_elem_value *ucontrol)
522a91eb199SMark Brown {
523a91eb199SMark Brown 	struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
524b2c812e2SMark Brown 	struct wm8904_priv *wm8904 = snd_soc_codec_get_drvdata(codec);
525a91eb199SMark Brown 
5263f343f85SDmitry Artamonow 	ucontrol->value.enumerated.item[0] = wm8904->deemph;
5273f343f85SDmitry Artamonow 	return 0;
528a91eb199SMark Brown }
529a91eb199SMark Brown 
530a91eb199SMark Brown static int wm8904_put_deemph(struct snd_kcontrol *kcontrol,
531a91eb199SMark Brown 			      struct snd_ctl_elem_value *ucontrol)
532a91eb199SMark Brown {
533a91eb199SMark Brown 	struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
534b2c812e2SMark Brown 	struct wm8904_priv *wm8904 = snd_soc_codec_get_drvdata(codec);
535a91eb199SMark Brown 	int deemph = ucontrol->value.enumerated.item[0];
536a91eb199SMark Brown 
537a91eb199SMark Brown 	if (deemph > 1)
538a91eb199SMark Brown 		return -EINVAL;
539a91eb199SMark Brown 
540a91eb199SMark Brown 	wm8904->deemph = deemph;
541a91eb199SMark Brown 
542a91eb199SMark Brown 	return wm8904_set_deemph(codec);
543a91eb199SMark Brown }
544a91eb199SMark Brown 
545a91eb199SMark Brown static const DECLARE_TLV_DB_SCALE(dac_boost_tlv, 0, 600, 0);
546a91eb199SMark Brown static const DECLARE_TLV_DB_SCALE(digital_tlv, -7200, 75, 1);
547a91eb199SMark Brown static const DECLARE_TLV_DB_SCALE(out_tlv, -5700, 100, 0);
548a91eb199SMark Brown static const DECLARE_TLV_DB_SCALE(sidetone_tlv, -3600, 300, 0);
549a91eb199SMark Brown static const DECLARE_TLV_DB_SCALE(eq_tlv, -1200, 100, 0);
550a91eb199SMark Brown 
551a91eb199SMark Brown static const char *input_mode_text[] = {
552a91eb199SMark Brown 	"Single-Ended", "Differential Line", "Differential Mic"
553a91eb199SMark Brown };
554a91eb199SMark Brown 
555a91eb199SMark Brown static const struct soc_enum lin_mode =
556a91eb199SMark Brown 	SOC_ENUM_SINGLE(WM8904_ANALOGUE_LEFT_INPUT_1, 0, 3, input_mode_text);
557a91eb199SMark Brown 
558a91eb199SMark Brown static const struct soc_enum rin_mode =
559a91eb199SMark Brown 	SOC_ENUM_SINGLE(WM8904_ANALOGUE_RIGHT_INPUT_1, 0, 3, input_mode_text);
560a91eb199SMark Brown 
561a91eb199SMark Brown static const char *hpf_mode_text[] = {
562a91eb199SMark Brown 	"Hi-fi", "Voice 1", "Voice 2", "Voice 3"
563a91eb199SMark Brown };
564a91eb199SMark Brown 
565a91eb199SMark Brown static const struct soc_enum hpf_mode =
566a91eb199SMark Brown 	SOC_ENUM_SINGLE(WM8904_ADC_DIGITAL_0, 5, 4, hpf_mode_text);
567a91eb199SMark Brown 
5689b85fc90SMark Brown static int wm8904_adc_osr_put(struct snd_kcontrol *kcontrol,
5699b85fc90SMark Brown 			      struct snd_ctl_elem_value *ucontrol)
5709b85fc90SMark Brown {
5719b85fc90SMark Brown 	struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
5729b85fc90SMark Brown 	unsigned int val;
5739b85fc90SMark Brown 	int ret;
5749b85fc90SMark Brown 
5759b85fc90SMark Brown 	ret = snd_soc_put_volsw(kcontrol, ucontrol);
5769b85fc90SMark Brown 	if (ret < 0)
5779b85fc90SMark Brown 		return ret;
5789b85fc90SMark Brown 
5799b85fc90SMark Brown 	if (ucontrol->value.integer.value[0])
5809b85fc90SMark Brown 		val = 0;
5819b85fc90SMark Brown 	else
5829b85fc90SMark Brown 		val = WM8904_ADC_128_OSR_TST_MODE | WM8904_ADC_BIASX1P5;
5839b85fc90SMark Brown 
5849b85fc90SMark Brown 	snd_soc_update_bits(codec, WM8904_ADC_TEST_0,
5859b85fc90SMark Brown 			    WM8904_ADC_128_OSR_TST_MODE | WM8904_ADC_BIASX1P5,
5869b85fc90SMark Brown 			    val);
5879b85fc90SMark Brown 
5889b85fc90SMark Brown 	return ret;
5899b85fc90SMark Brown }
5909b85fc90SMark Brown 
591a91eb199SMark Brown static const struct snd_kcontrol_new wm8904_adc_snd_controls[] = {
592a91eb199SMark Brown SOC_DOUBLE_R_TLV("Digital Capture Volume", WM8904_ADC_DIGITAL_VOLUME_LEFT,
593a91eb199SMark Brown 		 WM8904_ADC_DIGITAL_VOLUME_RIGHT, 1, 119, 0, digital_tlv),
594a91eb199SMark Brown 
595a91eb199SMark Brown SOC_ENUM("Left Caputure Mode", lin_mode),
596a91eb199SMark Brown SOC_ENUM("Right Capture Mode", rin_mode),
597a91eb199SMark Brown 
598a91eb199SMark Brown /* No TLV since it depends on mode */
599a91eb199SMark Brown SOC_DOUBLE_R("Capture Volume", WM8904_ANALOGUE_LEFT_INPUT_0,
600a91eb199SMark Brown 	     WM8904_ANALOGUE_RIGHT_INPUT_0, 0, 31, 0),
601a91eb199SMark Brown SOC_DOUBLE_R("Capture Switch", WM8904_ANALOGUE_LEFT_INPUT_0,
6025a7c5f26SHong Xu 	     WM8904_ANALOGUE_RIGHT_INPUT_0, 7, 1, 1),
603a91eb199SMark Brown 
604a91eb199SMark Brown SOC_SINGLE("High Pass Filter Switch", WM8904_ADC_DIGITAL_0, 4, 1, 0),
605a91eb199SMark Brown SOC_ENUM("High Pass Filter Mode", hpf_mode),
606a91eb199SMark Brown 
6079b85fc90SMark Brown {       .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
6089b85fc90SMark Brown 	.name = "ADC 128x OSR Switch",
6099b85fc90SMark Brown 	.info = snd_soc_info_volsw, .get = snd_soc_get_volsw,
6109b85fc90SMark Brown 	.put = wm8904_adc_osr_put,
6119b85fc90SMark Brown 	.private_value = SOC_SINGLE_VALUE(WM8904_ANALOGUE_ADC_0, 0, 1, 0),
6129b85fc90SMark Brown },
613a91eb199SMark Brown };
614a91eb199SMark Brown 
615a91eb199SMark Brown static const char *drc_path_text[] = {
616a91eb199SMark Brown 	"ADC", "DAC"
617a91eb199SMark Brown };
618a91eb199SMark Brown 
619a91eb199SMark Brown static const struct soc_enum drc_path =
620a91eb199SMark Brown 	SOC_ENUM_SINGLE(WM8904_DRC_0, 14, 2, drc_path_text);
621a91eb199SMark Brown 
622a91eb199SMark Brown static const struct snd_kcontrol_new wm8904_dac_snd_controls[] = {
623a91eb199SMark Brown SOC_SINGLE_TLV("Digital Playback Boost Volume",
624a91eb199SMark Brown 	       WM8904_AUDIO_INTERFACE_0, 9, 3, 0, dac_boost_tlv),
625a91eb199SMark Brown SOC_DOUBLE_R_TLV("Digital Playback Volume", WM8904_DAC_DIGITAL_VOLUME_LEFT,
626a91eb199SMark Brown 		 WM8904_DAC_DIGITAL_VOLUME_RIGHT, 1, 96, 0, digital_tlv),
627a91eb199SMark Brown 
628a91eb199SMark Brown SOC_DOUBLE_R_TLV("Headphone Volume", WM8904_ANALOGUE_OUT1_LEFT,
629a91eb199SMark Brown 		 WM8904_ANALOGUE_OUT1_RIGHT, 0, 63, 0, out_tlv),
630a91eb199SMark Brown SOC_DOUBLE_R("Headphone Switch", WM8904_ANALOGUE_OUT1_LEFT,
631a91eb199SMark Brown 	     WM8904_ANALOGUE_OUT1_RIGHT, 8, 1, 1),
632a91eb199SMark Brown SOC_DOUBLE_R("Headphone ZC Switch", WM8904_ANALOGUE_OUT1_LEFT,
633a91eb199SMark Brown 	     WM8904_ANALOGUE_OUT1_RIGHT, 6, 1, 0),
634a91eb199SMark Brown 
635a91eb199SMark Brown SOC_DOUBLE_R_TLV("Line Output Volume", WM8904_ANALOGUE_OUT2_LEFT,
636a91eb199SMark Brown 		 WM8904_ANALOGUE_OUT2_RIGHT, 0, 63, 0, out_tlv),
637a91eb199SMark Brown SOC_DOUBLE_R("Line Output Switch", WM8904_ANALOGUE_OUT2_LEFT,
638a91eb199SMark Brown 	     WM8904_ANALOGUE_OUT2_RIGHT, 8, 1, 1),
639a91eb199SMark Brown SOC_DOUBLE_R("Line Output ZC Switch", WM8904_ANALOGUE_OUT2_LEFT,
640a91eb199SMark Brown 	     WM8904_ANALOGUE_OUT2_RIGHT, 6, 1, 0),
641a91eb199SMark Brown 
642a91eb199SMark Brown SOC_SINGLE("EQ Switch", WM8904_EQ1, 0, 1, 0),
643a91eb199SMark Brown SOC_SINGLE("DRC Switch", WM8904_DRC_0, 15, 1, 0),
644a91eb199SMark Brown SOC_ENUM("DRC Path", drc_path),
645a91eb199SMark Brown SOC_SINGLE("DAC OSRx2 Switch", WM8904_DAC_DIGITAL_1, 6, 1, 0),
646a91eb199SMark Brown SOC_SINGLE_BOOL_EXT("DAC Deemphasis Switch", 0,
647a91eb199SMark Brown 		    wm8904_get_deemph, wm8904_put_deemph),
648a91eb199SMark Brown };
649a91eb199SMark Brown 
650a91eb199SMark Brown static const struct snd_kcontrol_new wm8904_snd_controls[] = {
651a91eb199SMark Brown SOC_DOUBLE_TLV("Digital Sidetone Volume", WM8904_DAC_DIGITAL_0, 4, 8, 15, 0,
652a91eb199SMark Brown 	       sidetone_tlv),
653a91eb199SMark Brown };
654a91eb199SMark Brown 
655a91eb199SMark Brown static const struct snd_kcontrol_new wm8904_eq_controls[] = {
656a91eb199SMark Brown SOC_SINGLE_TLV("EQ1 Volume", WM8904_EQ2, 0, 24, 0, eq_tlv),
657a91eb199SMark Brown SOC_SINGLE_TLV("EQ2 Volume", WM8904_EQ3, 0, 24, 0, eq_tlv),
658a91eb199SMark Brown SOC_SINGLE_TLV("EQ3 Volume", WM8904_EQ4, 0, 24, 0, eq_tlv),
659a91eb199SMark Brown SOC_SINGLE_TLV("EQ4 Volume", WM8904_EQ5, 0, 24, 0, eq_tlv),
660a91eb199SMark Brown SOC_SINGLE_TLV("EQ5 Volume", WM8904_EQ6, 0, 24, 0, eq_tlv),
661a91eb199SMark Brown };
662a91eb199SMark Brown 
663a91eb199SMark Brown static int cp_event(struct snd_soc_dapm_widget *w,
664a91eb199SMark Brown 		    struct snd_kcontrol *kcontrol, int event)
665a91eb199SMark Brown {
666a91eb199SMark Brown 	BUG_ON(event != SND_SOC_DAPM_POST_PMU);
667a91eb199SMark Brown 
668a91eb199SMark Brown 	/* Maximum startup time */
669a91eb199SMark Brown 	udelay(500);
670a91eb199SMark Brown 
671a91eb199SMark Brown 	return 0;
672a91eb199SMark Brown }
673a91eb199SMark Brown 
674a91eb199SMark Brown static int sysclk_event(struct snd_soc_dapm_widget *w,
675a91eb199SMark Brown 			 struct snd_kcontrol *kcontrol, int event)
676a91eb199SMark Brown {
677a91eb199SMark Brown 	struct snd_soc_codec *codec = w->codec;
678b2c812e2SMark Brown 	struct wm8904_priv *wm8904 = snd_soc_codec_get_drvdata(codec);
679a91eb199SMark Brown 
680a91eb199SMark Brown 	switch (event) {
681a91eb199SMark Brown 	case SND_SOC_DAPM_PRE_PMU:
682a91eb199SMark Brown 		/* If we're using the FLL then we only start it when
683a91eb199SMark Brown 		 * required; we assume that the configuration has been
684a91eb199SMark Brown 		 * done previously and all we need to do is kick it
685a91eb199SMark Brown 		 * off.
686a91eb199SMark Brown 		 */
687a91eb199SMark Brown 		switch (wm8904->sysclk_src) {
688a91eb199SMark Brown 		case WM8904_CLK_FLL:
689a91eb199SMark Brown 			snd_soc_update_bits(codec, WM8904_FLL_CONTROL_1,
690a91eb199SMark Brown 					    WM8904_FLL_OSC_ENA,
691a91eb199SMark Brown 					    WM8904_FLL_OSC_ENA);
692a91eb199SMark Brown 
693a91eb199SMark Brown 			snd_soc_update_bits(codec, WM8904_FLL_CONTROL_1,
694a91eb199SMark Brown 					    WM8904_FLL_ENA,
695a91eb199SMark Brown 					    WM8904_FLL_ENA);
696a91eb199SMark Brown 			break;
697a91eb199SMark Brown 
698a91eb199SMark Brown 		default:
699a91eb199SMark Brown 			break;
700a91eb199SMark Brown 		}
701a91eb199SMark Brown 		break;
702a91eb199SMark Brown 
703a91eb199SMark Brown 	case SND_SOC_DAPM_POST_PMD:
704a91eb199SMark Brown 		snd_soc_update_bits(codec, WM8904_FLL_CONTROL_1,
705a91eb199SMark Brown 				    WM8904_FLL_OSC_ENA | WM8904_FLL_ENA, 0);
706a91eb199SMark Brown 		break;
707a91eb199SMark Brown 	}
708a91eb199SMark Brown 
709a91eb199SMark Brown 	return 0;
710a91eb199SMark Brown }
711a91eb199SMark Brown 
712a91eb199SMark Brown static int out_pga_event(struct snd_soc_dapm_widget *w,
713a91eb199SMark Brown 			 struct snd_kcontrol *kcontrol, int event)
714a91eb199SMark Brown {
715a91eb199SMark Brown 	struct snd_soc_codec *codec = w->codec;
716b2c812e2SMark Brown 	struct wm8904_priv *wm8904 = snd_soc_codec_get_drvdata(codec);
717a91eb199SMark Brown 	int reg, val;
718a91eb199SMark Brown 	int dcs_mask;
719a91eb199SMark Brown 	int dcs_l, dcs_r;
720a91eb199SMark Brown 	int dcs_l_reg, dcs_r_reg;
721a91eb199SMark Brown 	int timeout;
722e4bc6696SMark Brown 	int pwr_reg;
723a91eb199SMark Brown 
724a91eb199SMark Brown 	/* This code is shared between HP and LINEOUT; we do all our
725a91eb199SMark Brown 	 * power management in stereo pairs to avoid latency issues so
726a91eb199SMark Brown 	 * we reuse shift to identify which rather than strcmp() the
727a91eb199SMark Brown 	 * name. */
728a91eb199SMark Brown 	reg = w->shift;
729a91eb199SMark Brown 
730a91eb199SMark Brown 	switch (reg) {
731a91eb199SMark Brown 	case WM8904_ANALOGUE_HP_0:
732e4bc6696SMark Brown 		pwr_reg = WM8904_POWER_MANAGEMENT_2;
733a91eb199SMark Brown 		dcs_mask = WM8904_DCS_ENA_CHAN_0 | WM8904_DCS_ENA_CHAN_1;
734a91eb199SMark Brown 		dcs_r_reg = WM8904_DC_SERVO_8;
735a91eb199SMark Brown 		dcs_l_reg = WM8904_DC_SERVO_9;
736a91eb199SMark Brown 		dcs_l = 0;
737a91eb199SMark Brown 		dcs_r = 1;
738a91eb199SMark Brown 		break;
739a91eb199SMark Brown 	case WM8904_ANALOGUE_LINEOUT_0:
740e4bc6696SMark Brown 		pwr_reg = WM8904_POWER_MANAGEMENT_3;
741a91eb199SMark Brown 		dcs_mask = WM8904_DCS_ENA_CHAN_2 | WM8904_DCS_ENA_CHAN_3;
742a91eb199SMark Brown 		dcs_r_reg = WM8904_DC_SERVO_6;
743a91eb199SMark Brown 		dcs_l_reg = WM8904_DC_SERVO_7;
744a91eb199SMark Brown 		dcs_l = 2;
745a91eb199SMark Brown 		dcs_r = 3;
746a91eb199SMark Brown 		break;
747a91eb199SMark Brown 	default:
748a91eb199SMark Brown 		BUG();
749a91eb199SMark Brown 		return -EINVAL;
750a91eb199SMark Brown 	}
751a91eb199SMark Brown 
752a91eb199SMark Brown 	switch (event) {
753e4bc6696SMark Brown 	case SND_SOC_DAPM_PRE_PMU:
754e4bc6696SMark Brown 		/* Power on the PGAs */
755e4bc6696SMark Brown 		snd_soc_update_bits(codec, pwr_reg,
756e4bc6696SMark Brown 				    WM8904_HPL_PGA_ENA | WM8904_HPR_PGA_ENA,
757e4bc6696SMark Brown 				    WM8904_HPL_PGA_ENA | WM8904_HPR_PGA_ENA);
758e4bc6696SMark Brown 
759a91eb199SMark Brown 		/* Power on the amplifier */
760a91eb199SMark Brown 		snd_soc_update_bits(codec, reg,
761a91eb199SMark Brown 				    WM8904_HPL_ENA | WM8904_HPR_ENA,
762a91eb199SMark Brown 				    WM8904_HPL_ENA | WM8904_HPR_ENA);
763a91eb199SMark Brown 
764e4bc6696SMark Brown 
765a91eb199SMark Brown 		/* Enable the first stage */
766a91eb199SMark Brown 		snd_soc_update_bits(codec, reg,
767a91eb199SMark Brown 				    WM8904_HPL_ENA_DLY | WM8904_HPR_ENA_DLY,
768a91eb199SMark Brown 				    WM8904_HPL_ENA_DLY | WM8904_HPR_ENA_DLY);
769a91eb199SMark Brown 
770a91eb199SMark Brown 		/* Power up the DC servo */
771a91eb199SMark Brown 		snd_soc_update_bits(codec, WM8904_DC_SERVO_0,
772a91eb199SMark Brown 				    dcs_mask, dcs_mask);
773a91eb199SMark Brown 
774a91eb199SMark Brown 		/* Either calibrate the DC servo or restore cached state
775a91eb199SMark Brown 		 * if we have that.
776a91eb199SMark Brown 		 */
777a91eb199SMark Brown 		if (wm8904->dcs_state[dcs_l] || wm8904->dcs_state[dcs_r]) {
778a91eb199SMark Brown 			dev_dbg(codec->dev, "Restoring DC servo state\n");
779a91eb199SMark Brown 
780a91eb199SMark Brown 			snd_soc_write(codec, dcs_l_reg,
781a91eb199SMark Brown 				      wm8904->dcs_state[dcs_l]);
782a91eb199SMark Brown 			snd_soc_write(codec, dcs_r_reg,
783a91eb199SMark Brown 				      wm8904->dcs_state[dcs_r]);
784a91eb199SMark Brown 
785a91eb199SMark Brown 			snd_soc_write(codec, WM8904_DC_SERVO_1, dcs_mask);
786a91eb199SMark Brown 
787a91eb199SMark Brown 			timeout = 20;
788a91eb199SMark Brown 		} else {
789a91eb199SMark Brown 			dev_dbg(codec->dev, "Calibrating DC servo\n");
790a91eb199SMark Brown 
791a91eb199SMark Brown 			snd_soc_write(codec, WM8904_DC_SERVO_1,
792a91eb199SMark Brown 				dcs_mask << WM8904_DCS_TRIG_STARTUP_0_SHIFT);
793a91eb199SMark Brown 
794a91eb199SMark Brown 			timeout = 500;
795a91eb199SMark Brown 		}
796a91eb199SMark Brown 
797a91eb199SMark Brown 		/* Wait for DC servo to complete */
798a91eb199SMark Brown 		dcs_mask <<= WM8904_DCS_CAL_COMPLETE_SHIFT;
799a91eb199SMark Brown 		do {
800a91eb199SMark Brown 			val = snd_soc_read(codec, WM8904_DC_SERVO_READBACK_0);
801a91eb199SMark Brown 			if ((val & dcs_mask) == dcs_mask)
802a91eb199SMark Brown 				break;
803a91eb199SMark Brown 
804a91eb199SMark Brown 			msleep(1);
805a91eb199SMark Brown 		} while (--timeout);
806a91eb199SMark Brown 
807a91eb199SMark Brown 		if ((val & dcs_mask) != dcs_mask)
808a91eb199SMark Brown 			dev_warn(codec->dev, "DC servo timed out\n");
809a91eb199SMark Brown 		else
810a91eb199SMark Brown 			dev_dbg(codec->dev, "DC servo ready\n");
811a91eb199SMark Brown 
812a91eb199SMark Brown 		/* Enable the output stage */
813a91eb199SMark Brown 		snd_soc_update_bits(codec, reg,
814a91eb199SMark Brown 				    WM8904_HPL_ENA_OUTP | WM8904_HPR_ENA_OUTP,
815a91eb199SMark Brown 				    WM8904_HPL_ENA_OUTP | WM8904_HPR_ENA_OUTP);
816e4bc6696SMark Brown 		break;
817a91eb199SMark Brown 
818e4bc6696SMark Brown 	case SND_SOC_DAPM_POST_PMU:
819a91eb199SMark Brown 		/* Unshort the output itself */
820a91eb199SMark Brown 		snd_soc_update_bits(codec, reg,
821a91eb199SMark Brown 				    WM8904_HPL_RMV_SHORT |
822a91eb199SMark Brown 				    WM8904_HPR_RMV_SHORT,
823a91eb199SMark Brown 				    WM8904_HPL_RMV_SHORT |
824a91eb199SMark Brown 				    WM8904_HPR_RMV_SHORT);
825a91eb199SMark Brown 
826a91eb199SMark Brown 		break;
827a91eb199SMark Brown 
828a91eb199SMark Brown 	case SND_SOC_DAPM_PRE_PMD:
829a91eb199SMark Brown 		/* Short the output */
830a91eb199SMark Brown 		snd_soc_update_bits(codec, reg,
831a91eb199SMark Brown 				    WM8904_HPL_RMV_SHORT |
832a91eb199SMark Brown 				    WM8904_HPR_RMV_SHORT, 0);
833e4bc6696SMark Brown 		break;
834a91eb199SMark Brown 
835e4bc6696SMark Brown 	case SND_SOC_DAPM_POST_PMD:
836a91eb199SMark Brown 		/* Cache the DC servo configuration; this will be
837a91eb199SMark Brown 		 * invalidated if we change the configuration. */
838a91eb199SMark Brown 		wm8904->dcs_state[dcs_l] = snd_soc_read(codec, dcs_l_reg);
839a91eb199SMark Brown 		wm8904->dcs_state[dcs_r] = snd_soc_read(codec, dcs_r_reg);
840a91eb199SMark Brown 
841a91eb199SMark Brown 		snd_soc_update_bits(codec, WM8904_DC_SERVO_0,
842a91eb199SMark Brown 				    dcs_mask, 0);
843a91eb199SMark Brown 
844a91eb199SMark Brown 		/* Disable the amplifier input and output stages */
845a91eb199SMark Brown 		snd_soc_update_bits(codec, reg,
846a91eb199SMark Brown 				    WM8904_HPL_ENA | WM8904_HPR_ENA |
847a91eb199SMark Brown 				    WM8904_HPL_ENA_DLY | WM8904_HPR_ENA_DLY |
848a91eb199SMark Brown 				    WM8904_HPL_ENA_OUTP | WM8904_HPR_ENA_OUTP,
849a91eb199SMark Brown 				    0);
850e4bc6696SMark Brown 
851e4bc6696SMark Brown 		/* PGAs too */
852e4bc6696SMark Brown 		snd_soc_update_bits(codec, pwr_reg,
853e4bc6696SMark Brown 				    WM8904_HPL_PGA_ENA | WM8904_HPR_PGA_ENA,
854e4bc6696SMark Brown 				    0);
855a91eb199SMark Brown 		break;
856a91eb199SMark Brown 	}
857a91eb199SMark Brown 
858a91eb199SMark Brown 	return 0;
859a91eb199SMark Brown }
860a91eb199SMark Brown 
861a91eb199SMark Brown static const char *lin_text[] = {
862a91eb199SMark Brown 	"IN1L", "IN2L", "IN3L"
863a91eb199SMark Brown };
864a91eb199SMark Brown 
865a91eb199SMark Brown static const struct soc_enum lin_enum =
866a91eb199SMark Brown 	SOC_ENUM_SINGLE(WM8904_ANALOGUE_LEFT_INPUT_1, 2, 3, lin_text);
867a91eb199SMark Brown 
868a91eb199SMark Brown static const struct snd_kcontrol_new lin_mux =
869a91eb199SMark Brown 	SOC_DAPM_ENUM("Left Capture Mux", lin_enum);
870a91eb199SMark Brown 
871a91eb199SMark Brown static const struct soc_enum lin_inv_enum =
872a91eb199SMark Brown 	SOC_ENUM_SINGLE(WM8904_ANALOGUE_LEFT_INPUT_1, 4, 3, lin_text);
873a91eb199SMark Brown 
874a91eb199SMark Brown static const struct snd_kcontrol_new lin_inv_mux =
875a91eb199SMark Brown 	SOC_DAPM_ENUM("Left Capture Inveting Mux", lin_inv_enum);
876a91eb199SMark Brown 
877a91eb199SMark Brown static const char *rin_text[] = {
878a91eb199SMark Brown 	"IN1R", "IN2R", "IN3R"
879a91eb199SMark Brown };
880a91eb199SMark Brown 
881a91eb199SMark Brown static const struct soc_enum rin_enum =
882a91eb199SMark Brown 	SOC_ENUM_SINGLE(WM8904_ANALOGUE_RIGHT_INPUT_1, 2, 3, rin_text);
883a91eb199SMark Brown 
884a91eb199SMark Brown static const struct snd_kcontrol_new rin_mux =
885a91eb199SMark Brown 	SOC_DAPM_ENUM("Right Capture Mux", rin_enum);
886a91eb199SMark Brown 
887a91eb199SMark Brown static const struct soc_enum rin_inv_enum =
888a91eb199SMark Brown 	SOC_ENUM_SINGLE(WM8904_ANALOGUE_RIGHT_INPUT_1, 4, 3, rin_text);
889a91eb199SMark Brown 
890a91eb199SMark Brown static const struct snd_kcontrol_new rin_inv_mux =
891a91eb199SMark Brown 	SOC_DAPM_ENUM("Right Capture Inveting Mux", rin_inv_enum);
892a91eb199SMark Brown 
893a91eb199SMark Brown static const char *aif_text[] = {
894a91eb199SMark Brown 	"Left", "Right"
895a91eb199SMark Brown };
896a91eb199SMark Brown 
897a91eb199SMark Brown static const struct soc_enum aifoutl_enum =
898a91eb199SMark Brown 	SOC_ENUM_SINGLE(WM8904_AUDIO_INTERFACE_0, 7, 2, aif_text);
899a91eb199SMark Brown 
900a91eb199SMark Brown static const struct snd_kcontrol_new aifoutl_mux =
901a91eb199SMark Brown 	SOC_DAPM_ENUM("AIFOUTL Mux", aifoutl_enum);
902a91eb199SMark Brown 
903a91eb199SMark Brown static const struct soc_enum aifoutr_enum =
904a91eb199SMark Brown 	SOC_ENUM_SINGLE(WM8904_AUDIO_INTERFACE_0, 6, 2, aif_text);
905a91eb199SMark Brown 
906a91eb199SMark Brown static const struct snd_kcontrol_new aifoutr_mux =
907a91eb199SMark Brown 	SOC_DAPM_ENUM("AIFOUTR Mux", aifoutr_enum);
908a91eb199SMark Brown 
909a91eb199SMark Brown static const struct soc_enum aifinl_enum =
910a91eb199SMark Brown 	SOC_ENUM_SINGLE(WM8904_AUDIO_INTERFACE_0, 5, 2, aif_text);
911a91eb199SMark Brown 
912a91eb199SMark Brown static const struct snd_kcontrol_new aifinl_mux =
913a91eb199SMark Brown 	SOC_DAPM_ENUM("AIFINL Mux", aifinl_enum);
914a91eb199SMark Brown 
915a91eb199SMark Brown static const struct soc_enum aifinr_enum =
916a91eb199SMark Brown 	SOC_ENUM_SINGLE(WM8904_AUDIO_INTERFACE_0, 4, 2, aif_text);
917a91eb199SMark Brown 
918a91eb199SMark Brown static const struct snd_kcontrol_new aifinr_mux =
919a91eb199SMark Brown 	SOC_DAPM_ENUM("AIFINR Mux", aifinr_enum);
920a91eb199SMark Brown 
921a91eb199SMark Brown static const struct snd_soc_dapm_widget wm8904_core_dapm_widgets[] = {
922a91eb199SMark Brown SND_SOC_DAPM_SUPPLY("SYSCLK", WM8904_CLOCK_RATES_2, 2, 0, sysclk_event,
923a91eb199SMark Brown 		    SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
924a91eb199SMark Brown SND_SOC_DAPM_SUPPLY("CLK_DSP", WM8904_CLOCK_RATES_2, 1, 0, NULL, 0),
925a91eb199SMark Brown SND_SOC_DAPM_SUPPLY("TOCLK", WM8904_CLOCK_RATES_2, 0, 0, NULL, 0),
926a91eb199SMark Brown };
927a91eb199SMark Brown 
928a91eb199SMark Brown static const struct snd_soc_dapm_widget wm8904_adc_dapm_widgets[] = {
929a91eb199SMark Brown SND_SOC_DAPM_INPUT("IN1L"),
930a91eb199SMark Brown SND_SOC_DAPM_INPUT("IN1R"),
931a91eb199SMark Brown SND_SOC_DAPM_INPUT("IN2L"),
932a91eb199SMark Brown SND_SOC_DAPM_INPUT("IN2R"),
933a91eb199SMark Brown SND_SOC_DAPM_INPUT("IN3L"),
934a91eb199SMark Brown SND_SOC_DAPM_INPUT("IN3R"),
935a91eb199SMark Brown 
936dcd658c5SMark Brown SND_SOC_DAPM_SUPPLY("MICBIAS", WM8904_MIC_BIAS_CONTROL_0, 0, 0, NULL, 0),
937a91eb199SMark Brown 
938a91eb199SMark Brown SND_SOC_DAPM_MUX("Left Capture Mux", SND_SOC_NOPM, 0, 0, &lin_mux),
939a91eb199SMark Brown SND_SOC_DAPM_MUX("Left Capture Inverting Mux", SND_SOC_NOPM, 0, 0,
940a91eb199SMark Brown 		 &lin_inv_mux),
941a91eb199SMark Brown SND_SOC_DAPM_MUX("Right Capture Mux", SND_SOC_NOPM, 0, 0, &rin_mux),
942a91eb199SMark Brown SND_SOC_DAPM_MUX("Right Capture Inverting Mux", SND_SOC_NOPM, 0, 0,
943a91eb199SMark Brown 		 &rin_inv_mux),
944a91eb199SMark Brown 
945a91eb199SMark Brown SND_SOC_DAPM_PGA("Left Capture PGA", WM8904_POWER_MANAGEMENT_0, 1, 0,
946a91eb199SMark Brown 		 NULL, 0),
947a91eb199SMark Brown SND_SOC_DAPM_PGA("Right Capture PGA", WM8904_POWER_MANAGEMENT_0, 0, 0,
948a91eb199SMark Brown 		 NULL, 0),
949a91eb199SMark Brown 
950a91eb199SMark Brown SND_SOC_DAPM_ADC("ADCL", NULL, WM8904_POWER_MANAGEMENT_6, 1, 0),
951a91eb199SMark Brown SND_SOC_DAPM_ADC("ADCR", NULL, WM8904_POWER_MANAGEMENT_6, 0, 0),
952a91eb199SMark Brown 
953a91eb199SMark Brown SND_SOC_DAPM_MUX("AIFOUTL Mux", SND_SOC_NOPM, 0, 0, &aifoutl_mux),
954a91eb199SMark Brown SND_SOC_DAPM_MUX("AIFOUTR Mux", SND_SOC_NOPM, 0, 0, &aifoutr_mux),
955a91eb199SMark Brown 
956a91eb199SMark Brown SND_SOC_DAPM_AIF_OUT("AIFOUTL", "Capture", 0, SND_SOC_NOPM, 0, 0),
957a91eb199SMark Brown SND_SOC_DAPM_AIF_OUT("AIFOUTR", "Capture", 1, SND_SOC_NOPM, 0, 0),
958a91eb199SMark Brown };
959a91eb199SMark Brown 
960a91eb199SMark Brown static const struct snd_soc_dapm_widget wm8904_dac_dapm_widgets[] = {
961a91eb199SMark Brown SND_SOC_DAPM_AIF_IN("AIFINL", "Playback", 0, SND_SOC_NOPM, 0, 0),
962a91eb199SMark Brown SND_SOC_DAPM_AIF_IN("AIFINR", "Playback", 1, SND_SOC_NOPM, 0, 0),
963a91eb199SMark Brown 
964a91eb199SMark Brown SND_SOC_DAPM_MUX("DACL Mux", SND_SOC_NOPM, 0, 0, &aifinl_mux),
965a91eb199SMark Brown SND_SOC_DAPM_MUX("DACR Mux", SND_SOC_NOPM, 0, 0, &aifinr_mux),
966a91eb199SMark Brown 
967a91eb199SMark Brown SND_SOC_DAPM_DAC("DACL", NULL, WM8904_POWER_MANAGEMENT_6, 3, 0),
968a91eb199SMark Brown SND_SOC_DAPM_DAC("DACR", NULL, WM8904_POWER_MANAGEMENT_6, 2, 0),
969a91eb199SMark Brown 
970a91eb199SMark Brown SND_SOC_DAPM_SUPPLY("Charge pump", WM8904_CHARGE_PUMP_0, 0, 0, cp_event,
971a91eb199SMark Brown 		    SND_SOC_DAPM_POST_PMU),
972a91eb199SMark Brown 
973e4bc6696SMark Brown SND_SOC_DAPM_PGA("HPL PGA", SND_SOC_NOPM, 1, 0, NULL, 0),
974e4bc6696SMark Brown SND_SOC_DAPM_PGA("HPR PGA", SND_SOC_NOPM, 0, 0, NULL, 0),
975a91eb199SMark Brown 
976e4bc6696SMark Brown SND_SOC_DAPM_PGA("LINEL PGA", SND_SOC_NOPM, 1, 0, NULL, 0),
977e4bc6696SMark Brown SND_SOC_DAPM_PGA("LINER PGA", SND_SOC_NOPM, 0, 0, NULL, 0),
978a91eb199SMark Brown 
979a91eb199SMark Brown SND_SOC_DAPM_PGA_E("Headphone Output", SND_SOC_NOPM, WM8904_ANALOGUE_HP_0,
980a91eb199SMark Brown 		   0, NULL, 0, out_pga_event,
981e4bc6696SMark Brown 		   SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU |
982e4bc6696SMark Brown 		   SND_SOC_DAPM_PRE_PMD | SND_SOC_DAPM_POST_PMD),
983a91eb199SMark Brown SND_SOC_DAPM_PGA_E("Line Output", SND_SOC_NOPM, WM8904_ANALOGUE_LINEOUT_0,
984a91eb199SMark Brown 		   0, NULL, 0, out_pga_event,
985e4bc6696SMark Brown 		   SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU |
986e4bc6696SMark Brown 		   SND_SOC_DAPM_PRE_PMD | SND_SOC_DAPM_POST_PMD),
987a91eb199SMark Brown 
988a91eb199SMark Brown SND_SOC_DAPM_OUTPUT("HPOUTL"),
989a91eb199SMark Brown SND_SOC_DAPM_OUTPUT("HPOUTR"),
990a91eb199SMark Brown SND_SOC_DAPM_OUTPUT("LINEOUTL"),
991a91eb199SMark Brown SND_SOC_DAPM_OUTPUT("LINEOUTR"),
992a91eb199SMark Brown };
993a91eb199SMark Brown 
994a91eb199SMark Brown static const char *out_mux_text[] = {
995a91eb199SMark Brown 	"DAC", "Bypass"
996a91eb199SMark Brown };
997a91eb199SMark Brown 
998a91eb199SMark Brown static const struct soc_enum hpl_enum =
999a91eb199SMark Brown 	SOC_ENUM_SINGLE(WM8904_ANALOGUE_OUT12_ZC, 3, 2, out_mux_text);
1000a91eb199SMark Brown 
1001a91eb199SMark Brown static const struct snd_kcontrol_new hpl_mux =
1002a91eb199SMark Brown 	SOC_DAPM_ENUM("HPL Mux", hpl_enum);
1003a91eb199SMark Brown 
1004a91eb199SMark Brown static const struct soc_enum hpr_enum =
1005a91eb199SMark Brown 	SOC_ENUM_SINGLE(WM8904_ANALOGUE_OUT12_ZC, 2, 2, out_mux_text);
1006a91eb199SMark Brown 
1007a91eb199SMark Brown static const struct snd_kcontrol_new hpr_mux =
1008a91eb199SMark Brown 	SOC_DAPM_ENUM("HPR Mux", hpr_enum);
1009a91eb199SMark Brown 
1010a91eb199SMark Brown static const struct soc_enum linel_enum =
1011a91eb199SMark Brown 	SOC_ENUM_SINGLE(WM8904_ANALOGUE_OUT12_ZC, 1, 2, out_mux_text);
1012a91eb199SMark Brown 
1013a91eb199SMark Brown static const struct snd_kcontrol_new linel_mux =
1014a91eb199SMark Brown 	SOC_DAPM_ENUM("LINEL Mux", linel_enum);
1015a91eb199SMark Brown 
1016a91eb199SMark Brown static const struct soc_enum liner_enum =
1017a91eb199SMark Brown 	SOC_ENUM_SINGLE(WM8904_ANALOGUE_OUT12_ZC, 0, 2, out_mux_text);
1018a91eb199SMark Brown 
1019a91eb199SMark Brown static const struct snd_kcontrol_new liner_mux =
1020a91eb199SMark Brown 	SOC_DAPM_ENUM("LINEL Mux", liner_enum);
1021a91eb199SMark Brown 
1022a91eb199SMark Brown static const char *sidetone_text[] = {
1023a91eb199SMark Brown 	"None", "Left", "Right"
1024a91eb199SMark Brown };
1025a91eb199SMark Brown 
1026a91eb199SMark Brown static const struct soc_enum dacl_sidetone_enum =
1027a91eb199SMark Brown 	SOC_ENUM_SINGLE(WM8904_DAC_DIGITAL_0, 2, 3, sidetone_text);
1028a91eb199SMark Brown 
1029a91eb199SMark Brown static const struct snd_kcontrol_new dacl_sidetone_mux =
1030a91eb199SMark Brown 	SOC_DAPM_ENUM("Left Sidetone Mux", dacl_sidetone_enum);
1031a91eb199SMark Brown 
1032a91eb199SMark Brown static const struct soc_enum dacr_sidetone_enum =
1033a91eb199SMark Brown 	SOC_ENUM_SINGLE(WM8904_DAC_DIGITAL_0, 0, 3, sidetone_text);
1034a91eb199SMark Brown 
1035a91eb199SMark Brown static const struct snd_kcontrol_new dacr_sidetone_mux =
1036a91eb199SMark Brown 	SOC_DAPM_ENUM("Right Sidetone Mux", dacr_sidetone_enum);
1037a91eb199SMark Brown 
1038a91eb199SMark Brown static const struct snd_soc_dapm_widget wm8904_dapm_widgets[] = {
1039a91eb199SMark Brown SND_SOC_DAPM_SUPPLY("Class G", WM8904_CLASS_W_0, 0, 1, NULL, 0),
1040a91eb199SMark Brown SND_SOC_DAPM_PGA("Left Bypass", SND_SOC_NOPM, 0, 0, NULL, 0),
1041a91eb199SMark Brown SND_SOC_DAPM_PGA("Right Bypass", SND_SOC_NOPM, 0, 0, NULL, 0),
1042a91eb199SMark Brown 
1043a91eb199SMark Brown SND_SOC_DAPM_MUX("Left Sidetone", SND_SOC_NOPM, 0, 0, &dacl_sidetone_mux),
1044a91eb199SMark Brown SND_SOC_DAPM_MUX("Right Sidetone", SND_SOC_NOPM, 0, 0, &dacr_sidetone_mux),
1045a91eb199SMark Brown 
1046a91eb199SMark Brown SND_SOC_DAPM_MUX("HPL Mux", SND_SOC_NOPM, 0, 0, &hpl_mux),
1047a91eb199SMark Brown SND_SOC_DAPM_MUX("HPR Mux", SND_SOC_NOPM, 0, 0, &hpr_mux),
1048a91eb199SMark Brown SND_SOC_DAPM_MUX("LINEL Mux", SND_SOC_NOPM, 0, 0, &linel_mux),
1049a91eb199SMark Brown SND_SOC_DAPM_MUX("LINER Mux", SND_SOC_NOPM, 0, 0, &liner_mux),
1050a91eb199SMark Brown };
1051a91eb199SMark Brown 
1052a91eb199SMark Brown static const struct snd_soc_dapm_route core_intercon[] = {
1053a91eb199SMark Brown 	{ "CLK_DSP", NULL, "SYSCLK" },
1054a91eb199SMark Brown 	{ "TOCLK", NULL, "SYSCLK" },
1055a91eb199SMark Brown };
1056a91eb199SMark Brown 
1057a91eb199SMark Brown static const struct snd_soc_dapm_route adc_intercon[] = {
1058a91eb199SMark Brown 	{ "Left Capture Mux", "IN1L", "IN1L" },
1059a91eb199SMark Brown 	{ "Left Capture Mux", "IN2L", "IN2L" },
1060a91eb199SMark Brown 	{ "Left Capture Mux", "IN3L", "IN3L" },
1061a91eb199SMark Brown 
1062a91eb199SMark Brown 	{ "Left Capture Inverting Mux", "IN1L", "IN1L" },
1063a91eb199SMark Brown 	{ "Left Capture Inverting Mux", "IN2L", "IN2L" },
1064a91eb199SMark Brown 	{ "Left Capture Inverting Mux", "IN3L", "IN3L" },
1065a91eb199SMark Brown 
1066a91eb199SMark Brown 	{ "Right Capture Mux", "IN1R", "IN1R" },
1067a91eb199SMark Brown 	{ "Right Capture Mux", "IN2R", "IN2R" },
1068a91eb199SMark Brown 	{ "Right Capture Mux", "IN3R", "IN3R" },
1069a91eb199SMark Brown 
1070a91eb199SMark Brown 	{ "Right Capture Inverting Mux", "IN1R", "IN1R" },
1071a91eb199SMark Brown 	{ "Right Capture Inverting Mux", "IN2R", "IN2R" },
1072a91eb199SMark Brown 	{ "Right Capture Inverting Mux", "IN3R", "IN3R" },
1073a91eb199SMark Brown 
1074a91eb199SMark Brown 	{ "Left Capture PGA", NULL, "Left Capture Mux" },
1075a91eb199SMark Brown 	{ "Left Capture PGA", NULL, "Left Capture Inverting Mux" },
1076a91eb199SMark Brown 
1077a91eb199SMark Brown 	{ "Right Capture PGA", NULL, "Right Capture Mux" },
1078a91eb199SMark Brown 	{ "Right Capture PGA", NULL, "Right Capture Inverting Mux" },
1079a91eb199SMark Brown 
1080a91eb199SMark Brown 	{ "AIFOUTL", "Left",  "ADCL" },
1081a91eb199SMark Brown 	{ "AIFOUTL", "Right", "ADCR" },
1082a91eb199SMark Brown 	{ "AIFOUTR", "Left",  "ADCL" },
1083a91eb199SMark Brown 	{ "AIFOUTR", "Right", "ADCR" },
1084a91eb199SMark Brown 
1085a91eb199SMark Brown 	{ "ADCL", NULL, "CLK_DSP" },
1086a91eb199SMark Brown 	{ "ADCL", NULL, "Left Capture PGA" },
1087a91eb199SMark Brown 
1088a91eb199SMark Brown 	{ "ADCR", NULL, "CLK_DSP" },
1089a91eb199SMark Brown 	{ "ADCR", NULL, "Right Capture PGA" },
1090a91eb199SMark Brown };
1091a91eb199SMark Brown 
1092a91eb199SMark Brown static const struct snd_soc_dapm_route dac_intercon[] = {
1093a91eb199SMark Brown 	{ "DACL", "Right", "AIFINR" },
1094a91eb199SMark Brown 	{ "DACL", "Left",  "AIFINL" },
1095a91eb199SMark Brown 	{ "DACL", NULL, "CLK_DSP" },
1096a91eb199SMark Brown 
1097a91eb199SMark Brown 	{ "DACR", "Right", "AIFINR" },
1098a91eb199SMark Brown 	{ "DACR", "Left",  "AIFINL" },
1099a91eb199SMark Brown 	{ "DACR", NULL, "CLK_DSP" },
1100a91eb199SMark Brown 
1101a91eb199SMark Brown 	{ "Charge pump", NULL, "SYSCLK" },
1102a91eb199SMark Brown 
1103a91eb199SMark Brown 	{ "Headphone Output", NULL, "HPL PGA" },
1104a91eb199SMark Brown 	{ "Headphone Output", NULL, "HPR PGA" },
1105a91eb199SMark Brown 	{ "Headphone Output", NULL, "Charge pump" },
1106a91eb199SMark Brown 	{ "Headphone Output", NULL, "TOCLK" },
1107a91eb199SMark Brown 
1108a91eb199SMark Brown 	{ "Line Output", NULL, "LINEL PGA" },
1109a91eb199SMark Brown 	{ "Line Output", NULL, "LINER PGA" },
1110a91eb199SMark Brown 	{ "Line Output", NULL, "Charge pump" },
1111a91eb199SMark Brown 	{ "Line Output", NULL, "TOCLK" },
1112a91eb199SMark Brown 
1113a91eb199SMark Brown 	{ "HPOUTL", NULL, "Headphone Output" },
1114a91eb199SMark Brown 	{ "HPOUTR", NULL, "Headphone Output" },
1115a91eb199SMark Brown 
1116a91eb199SMark Brown 	{ "LINEOUTL", NULL, "Line Output" },
1117a91eb199SMark Brown 	{ "LINEOUTR", NULL, "Line Output" },
1118a91eb199SMark Brown };
1119a91eb199SMark Brown 
1120a91eb199SMark Brown static const struct snd_soc_dapm_route wm8904_intercon[] = {
1121a91eb199SMark Brown 	{ "Left Sidetone", "Left", "ADCL" },
1122a91eb199SMark Brown 	{ "Left Sidetone", "Right", "ADCR" },
1123a91eb199SMark Brown 	{ "DACL", NULL, "Left Sidetone" },
1124a91eb199SMark Brown 
1125a91eb199SMark Brown 	{ "Right Sidetone", "Left", "ADCL" },
1126a91eb199SMark Brown 	{ "Right Sidetone", "Right", "ADCR" },
1127a91eb199SMark Brown 	{ "DACR", NULL, "Right Sidetone" },
1128a91eb199SMark Brown 
1129a91eb199SMark Brown 	{ "Left Bypass", NULL, "Class G" },
1130a91eb199SMark Brown 	{ "Left Bypass", NULL, "Left Capture PGA" },
1131a91eb199SMark Brown 
1132a91eb199SMark Brown 	{ "Right Bypass", NULL, "Class G" },
1133a91eb199SMark Brown 	{ "Right Bypass", NULL, "Right Capture PGA" },
1134a91eb199SMark Brown 
1135a91eb199SMark Brown 	{ "HPL Mux", "DAC", "DACL" },
1136a91eb199SMark Brown 	{ "HPL Mux", "Bypass", "Left Bypass" },
1137a91eb199SMark Brown 
1138a91eb199SMark Brown 	{ "HPR Mux", "DAC", "DACR" },
1139a91eb199SMark Brown 	{ "HPR Mux", "Bypass", "Right Bypass" },
1140a91eb199SMark Brown 
1141a91eb199SMark Brown 	{ "LINEL Mux", "DAC", "DACL" },
1142a91eb199SMark Brown 	{ "LINEL Mux", "Bypass", "Left Bypass" },
1143a91eb199SMark Brown 
1144a91eb199SMark Brown 	{ "LINER Mux", "DAC", "DACR" },
1145a91eb199SMark Brown 	{ "LINER Mux", "Bypass", "Right Bypass" },
1146a91eb199SMark Brown 
1147a91eb199SMark Brown 	{ "HPL PGA", NULL, "HPL Mux" },
1148a91eb199SMark Brown 	{ "HPR PGA", NULL, "HPR Mux" },
1149a91eb199SMark Brown 
1150a91eb199SMark Brown 	{ "LINEL PGA", NULL, "LINEL Mux" },
1151a91eb199SMark Brown 	{ "LINER PGA", NULL, "LINER Mux" },
1152a91eb199SMark Brown };
1153a91eb199SMark Brown 
11548c126474SMark Brown static const struct snd_soc_dapm_route wm8912_intercon[] = {
11558c126474SMark Brown 	{ "HPL PGA", NULL, "DACL" },
11568c126474SMark Brown 	{ "HPR PGA", NULL, "DACR" },
11578c126474SMark Brown 
11588c126474SMark Brown 	{ "LINEL PGA", NULL, "DACL" },
11598c126474SMark Brown 	{ "LINER PGA", NULL, "DACR" },
11608c126474SMark Brown };
11618c126474SMark Brown 
1162a91eb199SMark Brown static int wm8904_add_widgets(struct snd_soc_codec *codec)
1163a91eb199SMark Brown {
1164b2c812e2SMark Brown 	struct wm8904_priv *wm8904 = snd_soc_codec_get_drvdata(codec);
1165ce6120ccSLiam Girdwood 	struct snd_soc_dapm_context *dapm = &codec->dapm;
11668c126474SMark Brown 
1167ce6120ccSLiam Girdwood 	snd_soc_dapm_new_controls(dapm, wm8904_core_dapm_widgets,
11688c126474SMark Brown 				  ARRAY_SIZE(wm8904_core_dapm_widgets));
1169ce6120ccSLiam Girdwood 	snd_soc_dapm_add_routes(dapm, core_intercon,
11708c126474SMark Brown 				ARRAY_SIZE(core_intercon));
11718c126474SMark Brown 
11728c126474SMark Brown 	switch (wm8904->devtype) {
11738c126474SMark Brown 	case WM8904:
1174022658beSLiam Girdwood 		snd_soc_add_codec_controls(codec, wm8904_adc_snd_controls,
1175a91eb199SMark Brown 				     ARRAY_SIZE(wm8904_adc_snd_controls));
1176022658beSLiam Girdwood 		snd_soc_add_codec_controls(codec, wm8904_dac_snd_controls,
1177a91eb199SMark Brown 				     ARRAY_SIZE(wm8904_dac_snd_controls));
1178022658beSLiam Girdwood 		snd_soc_add_codec_controls(codec, wm8904_snd_controls,
1179a91eb199SMark Brown 				     ARRAY_SIZE(wm8904_snd_controls));
1180a91eb199SMark Brown 
1181ce6120ccSLiam Girdwood 		snd_soc_dapm_new_controls(dapm, wm8904_adc_dapm_widgets,
1182a91eb199SMark Brown 					  ARRAY_SIZE(wm8904_adc_dapm_widgets));
1183ce6120ccSLiam Girdwood 		snd_soc_dapm_new_controls(dapm, wm8904_dac_dapm_widgets,
1184a91eb199SMark Brown 					  ARRAY_SIZE(wm8904_dac_dapm_widgets));
1185ce6120ccSLiam Girdwood 		snd_soc_dapm_new_controls(dapm, wm8904_dapm_widgets,
1186a91eb199SMark Brown 					  ARRAY_SIZE(wm8904_dapm_widgets));
1187a91eb199SMark Brown 
1188ce6120ccSLiam Girdwood 		snd_soc_dapm_add_routes(dapm, core_intercon,
1189a91eb199SMark Brown 					ARRAY_SIZE(core_intercon));
1190ce6120ccSLiam Girdwood 		snd_soc_dapm_add_routes(dapm, adc_intercon,
11918c126474SMark Brown 					ARRAY_SIZE(adc_intercon));
1192ce6120ccSLiam Girdwood 		snd_soc_dapm_add_routes(dapm, dac_intercon,
11938c126474SMark Brown 					ARRAY_SIZE(dac_intercon));
1194ce6120ccSLiam Girdwood 		snd_soc_dapm_add_routes(dapm, wm8904_intercon,
1195a91eb199SMark Brown 					ARRAY_SIZE(wm8904_intercon));
11968c126474SMark Brown 		break;
11978c126474SMark Brown 
11988c126474SMark Brown 	case WM8912:
1199022658beSLiam Girdwood 		snd_soc_add_codec_controls(codec, wm8904_dac_snd_controls,
12008c126474SMark Brown 				     ARRAY_SIZE(wm8904_dac_snd_controls));
12018c126474SMark Brown 
1202ce6120ccSLiam Girdwood 		snd_soc_dapm_new_controls(dapm, wm8904_dac_dapm_widgets,
12038c126474SMark Brown 					  ARRAY_SIZE(wm8904_dac_dapm_widgets));
12048c126474SMark Brown 
1205ce6120ccSLiam Girdwood 		snd_soc_dapm_add_routes(dapm, dac_intercon,
12068c126474SMark Brown 					ARRAY_SIZE(dac_intercon));
1207ce6120ccSLiam Girdwood 		snd_soc_dapm_add_routes(dapm, wm8912_intercon,
12088c126474SMark Brown 					ARRAY_SIZE(wm8912_intercon));
12098c126474SMark Brown 		break;
12108c126474SMark Brown 	}
1211a91eb199SMark Brown 
1212ce6120ccSLiam Girdwood 	snd_soc_dapm_new_widgets(dapm);
1213a91eb199SMark Brown 	return 0;
1214a91eb199SMark Brown }
1215a91eb199SMark Brown 
1216a91eb199SMark Brown static struct {
1217a91eb199SMark Brown 	int ratio;
1218a91eb199SMark Brown 	unsigned int clk_sys_rate;
1219a91eb199SMark Brown } clk_sys_rates[] = {
1220a91eb199SMark Brown 	{   64,  0 },
1221a91eb199SMark Brown 	{  128,  1 },
1222a91eb199SMark Brown 	{  192,  2 },
1223a91eb199SMark Brown 	{  256,  3 },
1224a91eb199SMark Brown 	{  384,  4 },
1225a91eb199SMark Brown 	{  512,  5 },
1226a91eb199SMark Brown 	{  786,  6 },
1227a91eb199SMark Brown 	{ 1024,  7 },
1228a91eb199SMark Brown 	{ 1408,  8 },
1229a91eb199SMark Brown 	{ 1536,  9 },
1230a91eb199SMark Brown };
1231a91eb199SMark Brown 
1232a91eb199SMark Brown static struct {
1233a91eb199SMark Brown 	int rate;
1234a91eb199SMark Brown 	int sample_rate;
1235a91eb199SMark Brown } sample_rates[] = {
1236a91eb199SMark Brown 	{ 8000,  0  },
1237a91eb199SMark Brown 	{ 11025, 1  },
1238a91eb199SMark Brown 	{ 12000, 1  },
1239a91eb199SMark Brown 	{ 16000, 2  },
1240a91eb199SMark Brown 	{ 22050, 3  },
1241a91eb199SMark Brown 	{ 24000, 3  },
1242a91eb199SMark Brown 	{ 32000, 4  },
1243a91eb199SMark Brown 	{ 44100, 5  },
1244a91eb199SMark Brown 	{ 48000, 5  },
1245a91eb199SMark Brown };
1246a91eb199SMark Brown 
1247a91eb199SMark Brown static struct {
1248a91eb199SMark Brown 	int div; /* *10 due to .5s */
1249a91eb199SMark Brown 	int bclk_div;
1250a91eb199SMark Brown } bclk_divs[] = {
1251a91eb199SMark Brown 	{ 10,  0  },
1252a91eb199SMark Brown 	{ 15,  1  },
1253a91eb199SMark Brown 	{ 20,  2  },
1254a91eb199SMark Brown 	{ 30,  3  },
1255a91eb199SMark Brown 	{ 40,  4  },
1256a91eb199SMark Brown 	{ 50,  5  },
1257a91eb199SMark Brown 	{ 55,  6  },
1258a91eb199SMark Brown 	{ 60,  7  },
1259a91eb199SMark Brown 	{ 80,  8  },
1260a91eb199SMark Brown 	{ 100, 9  },
1261a91eb199SMark Brown 	{ 110, 10 },
1262a91eb199SMark Brown 	{ 120, 11 },
1263a91eb199SMark Brown 	{ 160, 12 },
1264a91eb199SMark Brown 	{ 200, 13 },
1265a91eb199SMark Brown 	{ 220, 14 },
1266a91eb199SMark Brown 	{ 240, 16 },
1267a91eb199SMark Brown 	{ 200, 17 },
1268a91eb199SMark Brown 	{ 320, 18 },
1269a91eb199SMark Brown 	{ 440, 19 },
1270a91eb199SMark Brown 	{ 480, 20 },
1271a91eb199SMark Brown };
1272a91eb199SMark Brown 
1273a91eb199SMark Brown 
1274a91eb199SMark Brown static int wm8904_hw_params(struct snd_pcm_substream *substream,
1275a91eb199SMark Brown 			    struct snd_pcm_hw_params *params,
1276a91eb199SMark Brown 			    struct snd_soc_dai *dai)
1277a91eb199SMark Brown {
1278a91eb199SMark Brown 	struct snd_soc_codec *codec = dai->codec;
1279b2c812e2SMark Brown 	struct wm8904_priv *wm8904 = snd_soc_codec_get_drvdata(codec);
1280a91eb199SMark Brown 	int ret, i, best, best_val, cur_val;
1281a91eb199SMark Brown 	unsigned int aif1 = 0;
1282a91eb199SMark Brown 	unsigned int aif2 = 0;
1283a91eb199SMark Brown 	unsigned int aif3 = 0;
1284a91eb199SMark Brown 	unsigned int clock1 = 0;
1285a91eb199SMark Brown 	unsigned int dac_digital1 = 0;
1286a91eb199SMark Brown 
1287a91eb199SMark Brown 	/* What BCLK do we need? */
1288a91eb199SMark Brown 	wm8904->fs = params_rate(params);
1289a91eb199SMark Brown 	if (wm8904->tdm_slots) {
1290a91eb199SMark Brown 		dev_dbg(codec->dev, "Configuring for %d %d bit TDM slots\n",
1291a91eb199SMark Brown 			wm8904->tdm_slots, wm8904->tdm_width);
1292a91eb199SMark Brown 		wm8904->bclk = snd_soc_calc_bclk(wm8904->fs,
1293a91eb199SMark Brown 						 wm8904->tdm_width, 2,
1294a91eb199SMark Brown 						 wm8904->tdm_slots);
1295a91eb199SMark Brown 	} else {
1296a91eb199SMark Brown 		wm8904->bclk = snd_soc_params_to_bclk(params);
1297a91eb199SMark Brown 	}
1298a91eb199SMark Brown 
129956927eb0SMark Brown 	switch (params_format(params)) {
130056927eb0SMark Brown 	case SNDRV_PCM_FORMAT_S16_LE:
130156927eb0SMark Brown 		break;
130256927eb0SMark Brown 	case SNDRV_PCM_FORMAT_S20_3LE:
130356927eb0SMark Brown 		aif1 |= 0x40;
130456927eb0SMark Brown 		break;
130556927eb0SMark Brown 	case SNDRV_PCM_FORMAT_S24_LE:
130656927eb0SMark Brown 		aif1 |= 0x80;
130756927eb0SMark Brown 		break;
130856927eb0SMark Brown 	case SNDRV_PCM_FORMAT_S32_LE:
130956927eb0SMark Brown 		aif1 |= 0xc0;
131056927eb0SMark Brown 		break;
131156927eb0SMark Brown 	default:
131256927eb0SMark Brown 		return -EINVAL;
131356927eb0SMark Brown 	}
131456927eb0SMark Brown 
131556927eb0SMark Brown 
1316a91eb199SMark Brown 	dev_dbg(codec->dev, "Target BCLK is %dHz\n", wm8904->bclk);
1317a91eb199SMark Brown 
1318a91eb199SMark Brown 	ret = wm8904_configure_clocking(codec);
1319a91eb199SMark Brown 	if (ret != 0)
1320a91eb199SMark Brown 		return ret;
1321a91eb199SMark Brown 
1322a91eb199SMark Brown 	/* Select nearest CLK_SYS_RATE */
1323a91eb199SMark Brown 	best = 0;
1324a91eb199SMark Brown 	best_val = abs((wm8904->sysclk_rate / clk_sys_rates[0].ratio)
1325a91eb199SMark Brown 		       - wm8904->fs);
1326a91eb199SMark Brown 	for (i = 1; i < ARRAY_SIZE(clk_sys_rates); i++) {
1327a91eb199SMark Brown 		cur_val = abs((wm8904->sysclk_rate /
1328ef995e3aSJoe Perches 			       clk_sys_rates[i].ratio) - wm8904->fs);
1329a91eb199SMark Brown 		if (cur_val < best_val) {
1330a91eb199SMark Brown 			best = i;
1331a91eb199SMark Brown 			best_val = cur_val;
1332a91eb199SMark Brown 		}
1333a91eb199SMark Brown 	}
1334a91eb199SMark Brown 	dev_dbg(codec->dev, "Selected CLK_SYS_RATIO of %d\n",
1335a91eb199SMark Brown 		clk_sys_rates[best].ratio);
1336a91eb199SMark Brown 	clock1 |= (clk_sys_rates[best].clk_sys_rate
1337a91eb199SMark Brown 		   << WM8904_CLK_SYS_RATE_SHIFT);
1338a91eb199SMark Brown 
1339a91eb199SMark Brown 	/* SAMPLE_RATE */
1340a91eb199SMark Brown 	best = 0;
1341a91eb199SMark Brown 	best_val = abs(wm8904->fs - sample_rates[0].rate);
1342a91eb199SMark Brown 	for (i = 1; i < ARRAY_SIZE(sample_rates); i++) {
1343a91eb199SMark Brown 		/* Closest match */
1344a91eb199SMark Brown 		cur_val = abs(wm8904->fs - sample_rates[i].rate);
1345a91eb199SMark Brown 		if (cur_val < best_val) {
1346a91eb199SMark Brown 			best = i;
1347a91eb199SMark Brown 			best_val = cur_val;
1348a91eb199SMark Brown 		}
1349a91eb199SMark Brown 	}
1350a91eb199SMark Brown 	dev_dbg(codec->dev, "Selected SAMPLE_RATE of %dHz\n",
1351a91eb199SMark Brown 		sample_rates[best].rate);
1352a91eb199SMark Brown 	clock1 |= (sample_rates[best].sample_rate
1353a91eb199SMark Brown 		   << WM8904_SAMPLE_RATE_SHIFT);
1354a91eb199SMark Brown 
1355a91eb199SMark Brown 	/* Enable sloping stopband filter for low sample rates */
1356a91eb199SMark Brown 	if (wm8904->fs <= 24000)
1357a91eb199SMark Brown 		dac_digital1 |= WM8904_DAC_SB_FILT;
1358a91eb199SMark Brown 
1359a91eb199SMark Brown 	/* BCLK_DIV */
1360a91eb199SMark Brown 	best = 0;
1361a91eb199SMark Brown 	best_val = INT_MAX;
1362a91eb199SMark Brown 	for (i = 0; i < ARRAY_SIZE(bclk_divs); i++) {
1363a91eb199SMark Brown 		cur_val = ((wm8904->sysclk_rate * 10) / bclk_divs[i].div)
1364a91eb199SMark Brown 			- wm8904->bclk;
1365a91eb199SMark Brown 		if (cur_val < 0) /* Table is sorted */
1366a91eb199SMark Brown 			break;
1367a91eb199SMark Brown 		if (cur_val < best_val) {
1368a91eb199SMark Brown 			best = i;
1369a91eb199SMark Brown 			best_val = cur_val;
1370a91eb199SMark Brown 		}
1371a91eb199SMark Brown 	}
1372a91eb199SMark Brown 	wm8904->bclk = (wm8904->sysclk_rate * 10) / bclk_divs[best].div;
1373a91eb199SMark Brown 	dev_dbg(codec->dev, "Selected BCLK_DIV of %d for %dHz BCLK\n",
1374a91eb199SMark Brown 		bclk_divs[best].div, wm8904->bclk);
1375a91eb199SMark Brown 	aif2 |= bclk_divs[best].bclk_div;
1376a91eb199SMark Brown 
1377a91eb199SMark Brown 	/* LRCLK is a simple fraction of BCLK */
1378a91eb199SMark Brown 	dev_dbg(codec->dev, "LRCLK_RATE is %d\n", wm8904->bclk / wm8904->fs);
1379a91eb199SMark Brown 	aif3 |= wm8904->bclk / wm8904->fs;
1380a91eb199SMark Brown 
1381a91eb199SMark Brown 	/* Apply the settings */
1382a91eb199SMark Brown 	snd_soc_update_bits(codec, WM8904_DAC_DIGITAL_1,
1383a91eb199SMark Brown 			    WM8904_DAC_SB_FILT, dac_digital1);
1384a91eb199SMark Brown 	snd_soc_update_bits(codec, WM8904_AUDIO_INTERFACE_1,
1385a91eb199SMark Brown 			    WM8904_AIF_WL_MASK, aif1);
1386a91eb199SMark Brown 	snd_soc_update_bits(codec, WM8904_AUDIO_INTERFACE_2,
1387a91eb199SMark Brown 			    WM8904_BCLK_DIV_MASK, aif2);
1388a91eb199SMark Brown 	snd_soc_update_bits(codec, WM8904_AUDIO_INTERFACE_3,
1389a91eb199SMark Brown 			    WM8904_LRCLK_RATE_MASK, aif3);
1390a91eb199SMark Brown 	snd_soc_update_bits(codec, WM8904_CLOCK_RATES_1,
1391a91eb199SMark Brown 			    WM8904_SAMPLE_RATE_MASK |
1392a91eb199SMark Brown 			    WM8904_CLK_SYS_RATE_MASK, clock1);
1393a91eb199SMark Brown 
1394a91eb199SMark Brown 	/* Update filters for the new settings */
1395a91eb199SMark Brown 	wm8904_set_retune_mobile(codec);
1396a91eb199SMark Brown 	wm8904_set_deemph(codec);
1397a91eb199SMark Brown 
1398a91eb199SMark Brown 	return 0;
1399a91eb199SMark Brown }
1400a91eb199SMark Brown 
1401a91eb199SMark Brown 
1402a91eb199SMark Brown static int wm8904_set_sysclk(struct snd_soc_dai *dai, int clk_id,
1403a91eb199SMark Brown 			     unsigned int freq, int dir)
1404a91eb199SMark Brown {
1405a91eb199SMark Brown 	struct snd_soc_codec *codec = dai->codec;
1406b2c812e2SMark Brown 	struct wm8904_priv *priv = snd_soc_codec_get_drvdata(codec);
1407a91eb199SMark Brown 
1408a91eb199SMark Brown 	switch (clk_id) {
1409a91eb199SMark Brown 	case WM8904_CLK_MCLK:
1410a91eb199SMark Brown 		priv->sysclk_src = clk_id;
1411a91eb199SMark Brown 		priv->mclk_rate = freq;
1412a91eb199SMark Brown 		break;
1413a91eb199SMark Brown 
1414a91eb199SMark Brown 	case WM8904_CLK_FLL:
1415a91eb199SMark Brown 		priv->sysclk_src = clk_id;
1416a91eb199SMark Brown 		break;
1417a91eb199SMark Brown 
1418a91eb199SMark Brown 	default:
1419a91eb199SMark Brown 		return -EINVAL;
1420a91eb199SMark Brown 	}
1421a91eb199SMark Brown 
1422a91eb199SMark Brown 	dev_dbg(dai->dev, "Clock source is %d at %uHz\n", clk_id, freq);
1423a91eb199SMark Brown 
1424a91eb199SMark Brown 	wm8904_configure_clocking(codec);
1425a91eb199SMark Brown 
1426a91eb199SMark Brown 	return 0;
1427a91eb199SMark Brown }
1428a91eb199SMark Brown 
1429a91eb199SMark Brown static int wm8904_set_fmt(struct snd_soc_dai *dai, unsigned int fmt)
1430a91eb199SMark Brown {
1431a91eb199SMark Brown 	struct snd_soc_codec *codec = dai->codec;
1432a91eb199SMark Brown 	unsigned int aif1 = 0;
1433a91eb199SMark Brown 	unsigned int aif3 = 0;
1434a91eb199SMark Brown 
1435a91eb199SMark Brown 	switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
1436a91eb199SMark Brown 	case SND_SOC_DAIFMT_CBS_CFS:
1437a91eb199SMark Brown 		break;
1438a91eb199SMark Brown 	case SND_SOC_DAIFMT_CBS_CFM:
1439a91eb199SMark Brown 		aif3 |= WM8904_LRCLK_DIR;
1440a91eb199SMark Brown 		break;
1441a91eb199SMark Brown 	case SND_SOC_DAIFMT_CBM_CFS:
1442a91eb199SMark Brown 		aif1 |= WM8904_BCLK_DIR;
1443a91eb199SMark Brown 		break;
1444a91eb199SMark Brown 	case SND_SOC_DAIFMT_CBM_CFM:
1445a91eb199SMark Brown 		aif1 |= WM8904_BCLK_DIR;
1446a91eb199SMark Brown 		aif3 |= WM8904_LRCLK_DIR;
1447a91eb199SMark Brown 		break;
1448a91eb199SMark Brown 	default:
1449a91eb199SMark Brown 		return -EINVAL;
1450a91eb199SMark Brown 	}
1451a91eb199SMark Brown 
1452a91eb199SMark Brown 	switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
1453a91eb199SMark Brown 	case SND_SOC_DAIFMT_DSP_B:
1454a91eb199SMark Brown 		aif1 |= WM8904_AIF_LRCLK_INV;
1455a91eb199SMark Brown 	case SND_SOC_DAIFMT_DSP_A:
1456a91eb199SMark Brown 		aif1 |= 0x3;
1457a91eb199SMark Brown 		break;
1458a91eb199SMark Brown 	case SND_SOC_DAIFMT_I2S:
1459a91eb199SMark Brown 		aif1 |= 0x2;
1460a91eb199SMark Brown 		break;
1461a91eb199SMark Brown 	case SND_SOC_DAIFMT_RIGHT_J:
1462a91eb199SMark Brown 		break;
1463a91eb199SMark Brown 	case SND_SOC_DAIFMT_LEFT_J:
1464a91eb199SMark Brown 		aif1 |= 0x1;
1465a91eb199SMark Brown 		break;
1466a91eb199SMark Brown 	default:
1467a91eb199SMark Brown 		return -EINVAL;
1468a91eb199SMark Brown 	}
1469a91eb199SMark Brown 
1470a91eb199SMark Brown 	switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
1471a91eb199SMark Brown 	case SND_SOC_DAIFMT_DSP_A:
1472a91eb199SMark Brown 	case SND_SOC_DAIFMT_DSP_B:
1473a91eb199SMark Brown 		/* frame inversion not valid for DSP modes */
1474a91eb199SMark Brown 		switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
1475a91eb199SMark Brown 		case SND_SOC_DAIFMT_NB_NF:
1476a91eb199SMark Brown 			break;
1477a91eb199SMark Brown 		case SND_SOC_DAIFMT_IB_NF:
1478a91eb199SMark Brown 			aif1 |= WM8904_AIF_BCLK_INV;
1479a91eb199SMark Brown 			break;
1480a91eb199SMark Brown 		default:
1481a91eb199SMark Brown 			return -EINVAL;
1482a91eb199SMark Brown 		}
1483a91eb199SMark Brown 		break;
1484a91eb199SMark Brown 
1485a91eb199SMark Brown 	case SND_SOC_DAIFMT_I2S:
1486a91eb199SMark Brown 	case SND_SOC_DAIFMT_RIGHT_J:
1487a91eb199SMark Brown 	case SND_SOC_DAIFMT_LEFT_J:
1488a91eb199SMark Brown 		switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
1489a91eb199SMark Brown 		case SND_SOC_DAIFMT_NB_NF:
1490a91eb199SMark Brown 			break;
1491a91eb199SMark Brown 		case SND_SOC_DAIFMT_IB_IF:
1492a91eb199SMark Brown 			aif1 |= WM8904_AIF_BCLK_INV | WM8904_AIF_LRCLK_INV;
1493a91eb199SMark Brown 			break;
1494a91eb199SMark Brown 		case SND_SOC_DAIFMT_IB_NF:
1495a91eb199SMark Brown 			aif1 |= WM8904_AIF_BCLK_INV;
1496a91eb199SMark Brown 			break;
1497a91eb199SMark Brown 		case SND_SOC_DAIFMT_NB_IF:
1498a91eb199SMark Brown 			aif1 |= WM8904_AIF_LRCLK_INV;
1499a91eb199SMark Brown 			break;
1500a91eb199SMark Brown 		default:
1501a91eb199SMark Brown 			return -EINVAL;
1502a91eb199SMark Brown 		}
1503a91eb199SMark Brown 		break;
1504a91eb199SMark Brown 	default:
1505a91eb199SMark Brown 		return -EINVAL;
1506a91eb199SMark Brown 	}
1507a91eb199SMark Brown 
1508a91eb199SMark Brown 	snd_soc_update_bits(codec, WM8904_AUDIO_INTERFACE_1,
1509a91eb199SMark Brown 			    WM8904_AIF_BCLK_INV | WM8904_AIF_LRCLK_INV |
1510a91eb199SMark Brown 			    WM8904_AIF_FMT_MASK | WM8904_BCLK_DIR, aif1);
1511a91eb199SMark Brown 	snd_soc_update_bits(codec, WM8904_AUDIO_INTERFACE_3,
1512a91eb199SMark Brown 			    WM8904_LRCLK_DIR, aif3);
1513a91eb199SMark Brown 
1514a91eb199SMark Brown 	return 0;
1515a91eb199SMark Brown }
1516a91eb199SMark Brown 
1517a91eb199SMark Brown 
1518a91eb199SMark Brown static int wm8904_set_tdm_slot(struct snd_soc_dai *dai, unsigned int tx_mask,
1519a91eb199SMark Brown 			       unsigned int rx_mask, int slots, int slot_width)
1520a91eb199SMark Brown {
1521a91eb199SMark Brown 	struct snd_soc_codec *codec = dai->codec;
1522b2c812e2SMark Brown 	struct wm8904_priv *wm8904 = snd_soc_codec_get_drvdata(codec);
1523a91eb199SMark Brown 	int aif1 = 0;
1524a91eb199SMark Brown 
1525a91eb199SMark Brown 	/* Don't need to validate anything if we're turning off TDM */
1526a91eb199SMark Brown 	if (slots == 0)
1527a91eb199SMark Brown 		goto out;
1528a91eb199SMark Brown 
1529a91eb199SMark Brown 	/* Note that we allow configurations we can't handle ourselves -
1530a91eb199SMark Brown 	 * for example, we can generate clocks for slots 2 and up even if
1531a91eb199SMark Brown 	 * we can't use those slots ourselves.
1532a91eb199SMark Brown 	 */
1533a91eb199SMark Brown 	aif1 |= WM8904_AIFADC_TDM | WM8904_AIFDAC_TDM;
1534a91eb199SMark Brown 
1535a91eb199SMark Brown 	switch (rx_mask) {
1536a91eb199SMark Brown 	case 3:
1537a91eb199SMark Brown 		break;
1538a91eb199SMark Brown 	case 0xc:
1539a91eb199SMark Brown 		aif1 |= WM8904_AIFADC_TDM_CHAN;
1540a91eb199SMark Brown 		break;
1541a91eb199SMark Brown 	default:
1542a91eb199SMark Brown 		return -EINVAL;
1543a91eb199SMark Brown 	}
1544a91eb199SMark Brown 
1545a91eb199SMark Brown 
1546a91eb199SMark Brown 	switch (tx_mask) {
1547a91eb199SMark Brown 	case 3:
1548a91eb199SMark Brown 		break;
1549a91eb199SMark Brown 	case 0xc:
1550a91eb199SMark Brown 		aif1 |= WM8904_AIFDAC_TDM_CHAN;
1551a91eb199SMark Brown 		break;
1552a91eb199SMark Brown 	default:
1553a91eb199SMark Brown 		return -EINVAL;
1554a91eb199SMark Brown 	}
1555a91eb199SMark Brown 
1556a91eb199SMark Brown out:
1557a91eb199SMark Brown 	wm8904->tdm_width = slot_width;
1558a91eb199SMark Brown 	wm8904->tdm_slots = slots / 2;
1559a91eb199SMark Brown 
1560a91eb199SMark Brown 	snd_soc_update_bits(codec, WM8904_AUDIO_INTERFACE_1,
1561a91eb199SMark Brown 			    WM8904_AIFADC_TDM | WM8904_AIFADC_TDM_CHAN |
1562a91eb199SMark Brown 			    WM8904_AIFDAC_TDM | WM8904_AIFDAC_TDM_CHAN, aif1);
1563a91eb199SMark Brown 
1564a91eb199SMark Brown 	return 0;
1565a91eb199SMark Brown }
1566a91eb199SMark Brown 
1567a91eb199SMark Brown struct _fll_div {
1568a91eb199SMark Brown 	u16 fll_fratio;
1569a91eb199SMark Brown 	u16 fll_outdiv;
1570a91eb199SMark Brown 	u16 fll_clk_ref_div;
1571a91eb199SMark Brown 	u16 n;
1572a91eb199SMark Brown 	u16 k;
1573a91eb199SMark Brown };
1574a91eb199SMark Brown 
1575a91eb199SMark Brown /* The size in bits of the FLL divide multiplied by 10
1576a91eb199SMark Brown  * to allow rounding later */
1577a91eb199SMark Brown #define FIXED_FLL_SIZE ((1 << 16) * 10)
1578a91eb199SMark Brown 
1579a91eb199SMark Brown static struct {
1580a91eb199SMark Brown 	unsigned int min;
1581a91eb199SMark Brown 	unsigned int max;
1582a91eb199SMark Brown 	u16 fll_fratio;
1583a91eb199SMark Brown 	int ratio;
1584a91eb199SMark Brown } fll_fratios[] = {
1585a91eb199SMark Brown 	{       0,    64000, 4, 16 },
1586a91eb199SMark Brown 	{   64000,   128000, 3,  8 },
1587a91eb199SMark Brown 	{  128000,   256000, 2,  4 },
1588a91eb199SMark Brown 	{  256000,  1000000, 1,  2 },
1589a91eb199SMark Brown 	{ 1000000, 13500000, 0,  1 },
1590a91eb199SMark Brown };
1591a91eb199SMark Brown 
1592a91eb199SMark Brown static int fll_factors(struct _fll_div *fll_div, unsigned int Fref,
1593a91eb199SMark Brown 		       unsigned int Fout)
1594a91eb199SMark Brown {
1595a91eb199SMark Brown 	u64 Kpart;
1596a91eb199SMark Brown 	unsigned int K, Ndiv, Nmod, target;
1597a91eb199SMark Brown 	unsigned int div;
1598a91eb199SMark Brown 	int i;
1599a91eb199SMark Brown 
1600a91eb199SMark Brown 	/* Fref must be <=13.5MHz */
1601a91eb199SMark Brown 	div = 1;
1602a91eb199SMark Brown 	fll_div->fll_clk_ref_div = 0;
1603a91eb199SMark Brown 	while ((Fref / div) > 13500000) {
1604a91eb199SMark Brown 		div *= 2;
1605a91eb199SMark Brown 		fll_div->fll_clk_ref_div++;
1606a91eb199SMark Brown 
1607a91eb199SMark Brown 		if (div > 8) {
1608a91eb199SMark Brown 			pr_err("Can't scale %dMHz input down to <=13.5MHz\n",
1609a91eb199SMark Brown 			       Fref);
1610a91eb199SMark Brown 			return -EINVAL;
1611a91eb199SMark Brown 		}
1612a91eb199SMark Brown 	}
1613a91eb199SMark Brown 
1614a91eb199SMark Brown 	pr_debug("Fref=%u Fout=%u\n", Fref, Fout);
1615a91eb199SMark Brown 
1616a91eb199SMark Brown 	/* Apply the division for our remaining calculations */
1617a91eb199SMark Brown 	Fref /= div;
1618a91eb199SMark Brown 
1619a91eb199SMark Brown 	/* Fvco should be 90-100MHz; don't check the upper bound */
1620a91eb199SMark Brown 	div = 4;
1621a91eb199SMark Brown 	while (Fout * div < 90000000) {
1622a91eb199SMark Brown 		div++;
1623a91eb199SMark Brown 		if (div > 64) {
1624a91eb199SMark Brown 			pr_err("Unable to find FLL_OUTDIV for Fout=%uHz\n",
1625a91eb199SMark Brown 			       Fout);
1626a91eb199SMark Brown 			return -EINVAL;
1627a91eb199SMark Brown 		}
1628a91eb199SMark Brown 	}
1629a91eb199SMark Brown 	target = Fout * div;
1630a91eb199SMark Brown 	fll_div->fll_outdiv = div - 1;
1631a91eb199SMark Brown 
1632a91eb199SMark Brown 	pr_debug("Fvco=%dHz\n", target);
1633a91eb199SMark Brown 
163425985edcSLucas De Marchi 	/* Find an appropriate FLL_FRATIO and factor it out of the target */
1635a91eb199SMark Brown 	for (i = 0; i < ARRAY_SIZE(fll_fratios); i++) {
1636a91eb199SMark Brown 		if (fll_fratios[i].min <= Fref && Fref <= fll_fratios[i].max) {
1637a91eb199SMark Brown 			fll_div->fll_fratio = fll_fratios[i].fll_fratio;
1638a91eb199SMark Brown 			target /= fll_fratios[i].ratio;
1639a91eb199SMark Brown 			break;
1640a91eb199SMark Brown 		}
1641a91eb199SMark Brown 	}
1642a91eb199SMark Brown 	if (i == ARRAY_SIZE(fll_fratios)) {
1643a91eb199SMark Brown 		pr_err("Unable to find FLL_FRATIO for Fref=%uHz\n", Fref);
1644a91eb199SMark Brown 		return -EINVAL;
1645a91eb199SMark Brown 	}
1646a91eb199SMark Brown 
1647a91eb199SMark Brown 	/* Now, calculate N.K */
1648a91eb199SMark Brown 	Ndiv = target / Fref;
1649a91eb199SMark Brown 
1650a91eb199SMark Brown 	fll_div->n = Ndiv;
1651a91eb199SMark Brown 	Nmod = target % Fref;
1652a91eb199SMark Brown 	pr_debug("Nmod=%d\n", Nmod);
1653a91eb199SMark Brown 
1654a91eb199SMark Brown 	/* Calculate fractional part - scale up so we can round. */
1655a91eb199SMark Brown 	Kpart = FIXED_FLL_SIZE * (long long)Nmod;
1656a91eb199SMark Brown 
1657a91eb199SMark Brown 	do_div(Kpart, Fref);
1658a91eb199SMark Brown 
1659a91eb199SMark Brown 	K = Kpart & 0xFFFFFFFF;
1660a91eb199SMark Brown 
1661a91eb199SMark Brown 	if ((K % 10) >= 5)
1662a91eb199SMark Brown 		K += 5;
1663a91eb199SMark Brown 
1664a91eb199SMark Brown 	/* Move down to proper range now rounding is done */
1665a91eb199SMark Brown 	fll_div->k = K / 10;
1666a91eb199SMark Brown 
1667a91eb199SMark Brown 	pr_debug("N=%x K=%x FLL_FRATIO=%x FLL_OUTDIV=%x FLL_CLK_REF_DIV=%x\n",
1668a91eb199SMark Brown 		 fll_div->n, fll_div->k,
1669a91eb199SMark Brown 		 fll_div->fll_fratio, fll_div->fll_outdiv,
1670a91eb199SMark Brown 		 fll_div->fll_clk_ref_div);
1671a91eb199SMark Brown 
1672a91eb199SMark Brown 	return 0;
1673a91eb199SMark Brown }
1674a91eb199SMark Brown 
1675a91eb199SMark Brown static int wm8904_set_fll(struct snd_soc_dai *dai, int fll_id, int source,
1676a91eb199SMark Brown 			  unsigned int Fref, unsigned int Fout)
1677a91eb199SMark Brown {
1678a91eb199SMark Brown 	struct snd_soc_codec *codec = dai->codec;
1679b2c812e2SMark Brown 	struct wm8904_priv *wm8904 = snd_soc_codec_get_drvdata(codec);
1680a91eb199SMark Brown 	struct _fll_div fll_div;
1681a91eb199SMark Brown 	int ret, val;
1682a91eb199SMark Brown 	int clock2, fll1;
1683a91eb199SMark Brown 
1684a91eb199SMark Brown 	/* Any change? */
1685a91eb199SMark Brown 	if (source == wm8904->fll_src && Fref == wm8904->fll_fref &&
1686a91eb199SMark Brown 	    Fout == wm8904->fll_fout)
1687a91eb199SMark Brown 		return 0;
1688a91eb199SMark Brown 
168918240b67SMark Brown 	clock2 = snd_soc_read(codec, WM8904_CLOCK_RATES_2);
169018240b67SMark Brown 
1691a91eb199SMark Brown 	if (Fout == 0) {
1692a91eb199SMark Brown 		dev_dbg(codec->dev, "FLL disabled\n");
1693a91eb199SMark Brown 
1694a91eb199SMark Brown 		wm8904->fll_fref = 0;
1695a91eb199SMark Brown 		wm8904->fll_fout = 0;
1696a91eb199SMark Brown 
1697a91eb199SMark Brown 		/* Gate SYSCLK to avoid glitches */
1698a91eb199SMark Brown 		snd_soc_update_bits(codec, WM8904_CLOCK_RATES_2,
1699a91eb199SMark Brown 				    WM8904_CLK_SYS_ENA, 0);
1700a91eb199SMark Brown 
1701a91eb199SMark Brown 		snd_soc_update_bits(codec, WM8904_FLL_CONTROL_1,
1702a91eb199SMark Brown 				    WM8904_FLL_OSC_ENA | WM8904_FLL_ENA, 0);
1703a91eb199SMark Brown 
1704a91eb199SMark Brown 		goto out;
1705a91eb199SMark Brown 	}
1706a91eb199SMark Brown 
1707a91eb199SMark Brown 	/* Validate the FLL ID */
1708a91eb199SMark Brown 	switch (source) {
1709a91eb199SMark Brown 	case WM8904_FLL_MCLK:
1710a91eb199SMark Brown 	case WM8904_FLL_LRCLK:
1711a91eb199SMark Brown 	case WM8904_FLL_BCLK:
1712a91eb199SMark Brown 		ret = fll_factors(&fll_div, Fref, Fout);
1713a91eb199SMark Brown 		if (ret != 0)
1714a91eb199SMark Brown 			return ret;
1715a91eb199SMark Brown 		break;
1716a91eb199SMark Brown 
1717a91eb199SMark Brown 	case WM8904_FLL_FREE_RUNNING:
1718a91eb199SMark Brown 		dev_dbg(codec->dev, "Using free running FLL\n");
1719a91eb199SMark Brown 		/* Force 12MHz and output/4 for now */
1720a91eb199SMark Brown 		Fout = 12000000;
1721a91eb199SMark Brown 		Fref = 12000000;
1722a91eb199SMark Brown 
1723a91eb199SMark Brown 		memset(&fll_div, 0, sizeof(fll_div));
1724a91eb199SMark Brown 		fll_div.fll_outdiv = 3;
1725a91eb199SMark Brown 		break;
1726a91eb199SMark Brown 
1727a91eb199SMark Brown 	default:
1728a91eb199SMark Brown 		dev_err(codec->dev, "Unknown FLL ID %d\n", fll_id);
1729a91eb199SMark Brown 		return -EINVAL;
1730a91eb199SMark Brown 	}
1731a91eb199SMark Brown 
1732a91eb199SMark Brown 	/* Save current state then disable the FLL and SYSCLK to avoid
1733a91eb199SMark Brown 	 * misclocking */
1734a91eb199SMark Brown 	fll1 = snd_soc_read(codec, WM8904_FLL_CONTROL_1);
1735a91eb199SMark Brown 	snd_soc_update_bits(codec, WM8904_CLOCK_RATES_2,
1736a91eb199SMark Brown 			    WM8904_CLK_SYS_ENA, 0);
1737a91eb199SMark Brown 	snd_soc_update_bits(codec, WM8904_FLL_CONTROL_1,
1738a91eb199SMark Brown 			    WM8904_FLL_OSC_ENA | WM8904_FLL_ENA, 0);
1739a91eb199SMark Brown 
1740a91eb199SMark Brown 	/* Unlock forced oscilator control to switch it on/off */
1741a91eb199SMark Brown 	snd_soc_update_bits(codec, WM8904_CONTROL_INTERFACE_TEST_1,
1742a91eb199SMark Brown 			    WM8904_USER_KEY, WM8904_USER_KEY);
1743a91eb199SMark Brown 
1744a91eb199SMark Brown 	if (fll_id == WM8904_FLL_FREE_RUNNING) {
1745a91eb199SMark Brown 		val = WM8904_FLL_FRC_NCO;
1746a91eb199SMark Brown 	} else {
1747a91eb199SMark Brown 		val = 0;
1748a91eb199SMark Brown 	}
1749a91eb199SMark Brown 
1750a91eb199SMark Brown 	snd_soc_update_bits(codec, WM8904_FLL_NCO_TEST_1, WM8904_FLL_FRC_NCO,
1751a91eb199SMark Brown 			    val);
1752a91eb199SMark Brown 	snd_soc_update_bits(codec, WM8904_CONTROL_INTERFACE_TEST_1,
1753a91eb199SMark Brown 			    WM8904_USER_KEY, 0);
1754a91eb199SMark Brown 
1755a91eb199SMark Brown 	switch (fll_id) {
1756a91eb199SMark Brown 	case WM8904_FLL_MCLK:
1757a91eb199SMark Brown 		snd_soc_update_bits(codec, WM8904_FLL_CONTROL_5,
1758a91eb199SMark Brown 				    WM8904_FLL_CLK_REF_SRC_MASK, 0);
1759a91eb199SMark Brown 		break;
1760a91eb199SMark Brown 
1761a91eb199SMark Brown 	case WM8904_FLL_LRCLK:
1762a91eb199SMark Brown 		snd_soc_update_bits(codec, WM8904_FLL_CONTROL_5,
1763a91eb199SMark Brown 				    WM8904_FLL_CLK_REF_SRC_MASK, 1);
1764a91eb199SMark Brown 		break;
1765a91eb199SMark Brown 
1766a91eb199SMark Brown 	case WM8904_FLL_BCLK:
1767a91eb199SMark Brown 		snd_soc_update_bits(codec, WM8904_FLL_CONTROL_5,
1768a91eb199SMark Brown 				    WM8904_FLL_CLK_REF_SRC_MASK, 2);
1769a91eb199SMark Brown 		break;
1770a91eb199SMark Brown 	}
1771a91eb199SMark Brown 
1772a91eb199SMark Brown 	if (fll_div.k)
1773a91eb199SMark Brown 		val = WM8904_FLL_FRACN_ENA;
1774a91eb199SMark Brown 	else
1775a91eb199SMark Brown 		val = 0;
1776a91eb199SMark Brown 	snd_soc_update_bits(codec, WM8904_FLL_CONTROL_1,
1777a91eb199SMark Brown 			    WM8904_FLL_FRACN_ENA, val);
1778a91eb199SMark Brown 
1779a91eb199SMark Brown 	snd_soc_update_bits(codec, WM8904_FLL_CONTROL_2,
1780a91eb199SMark Brown 			    WM8904_FLL_OUTDIV_MASK | WM8904_FLL_FRATIO_MASK,
1781a91eb199SMark Brown 			    (fll_div.fll_outdiv << WM8904_FLL_OUTDIV_SHIFT) |
1782a91eb199SMark Brown 			    (fll_div.fll_fratio << WM8904_FLL_FRATIO_SHIFT));
1783a91eb199SMark Brown 
1784a91eb199SMark Brown 	snd_soc_write(codec, WM8904_FLL_CONTROL_3, fll_div.k);
1785a91eb199SMark Brown 
1786a91eb199SMark Brown 	snd_soc_update_bits(codec, WM8904_FLL_CONTROL_4, WM8904_FLL_N_MASK,
1787a91eb199SMark Brown 			    fll_div.n << WM8904_FLL_N_SHIFT);
1788a91eb199SMark Brown 
1789a91eb199SMark Brown 	snd_soc_update_bits(codec, WM8904_FLL_CONTROL_5,
1790a91eb199SMark Brown 			    WM8904_FLL_CLK_REF_DIV_MASK,
1791a91eb199SMark Brown 			    fll_div.fll_clk_ref_div
1792a91eb199SMark Brown 			    << WM8904_FLL_CLK_REF_DIV_SHIFT);
1793a91eb199SMark Brown 
1794a91eb199SMark Brown 	dev_dbg(codec->dev, "FLL configured for %dHz->%dHz\n", Fref, Fout);
1795a91eb199SMark Brown 
1796a91eb199SMark Brown 	wm8904->fll_fref = Fref;
1797a91eb199SMark Brown 	wm8904->fll_fout = Fout;
1798a91eb199SMark Brown 	wm8904->fll_src = source;
1799a91eb199SMark Brown 
1800a91eb199SMark Brown 	/* Enable the FLL if it was previously active */
1801a91eb199SMark Brown 	snd_soc_update_bits(codec, WM8904_FLL_CONTROL_1,
1802a91eb199SMark Brown 			    WM8904_FLL_OSC_ENA, fll1);
1803a91eb199SMark Brown 	snd_soc_update_bits(codec, WM8904_FLL_CONTROL_1,
1804a91eb199SMark Brown 			    WM8904_FLL_ENA, fll1);
1805a91eb199SMark Brown 
1806a91eb199SMark Brown out:
1807a91eb199SMark Brown 	/* Reenable SYSCLK if it was previously active */
1808a91eb199SMark Brown 	snd_soc_update_bits(codec, WM8904_CLOCK_RATES_2,
1809a91eb199SMark Brown 			    WM8904_CLK_SYS_ENA, clock2);
1810a91eb199SMark Brown 
1811a91eb199SMark Brown 	return 0;
1812a91eb199SMark Brown }
1813a91eb199SMark Brown 
1814a91eb199SMark Brown static int wm8904_digital_mute(struct snd_soc_dai *codec_dai, int mute)
1815a91eb199SMark Brown {
1816a91eb199SMark Brown 	struct snd_soc_codec *codec = codec_dai->codec;
1817a91eb199SMark Brown 	int val;
1818a91eb199SMark Brown 
1819a91eb199SMark Brown 	if (mute)
1820a91eb199SMark Brown 		val = WM8904_DAC_MUTE;
1821a91eb199SMark Brown 	else
1822a91eb199SMark Brown 		val = 0;
1823a91eb199SMark Brown 
1824a91eb199SMark Brown 	snd_soc_update_bits(codec, WM8904_DAC_DIGITAL_1, WM8904_DAC_MUTE, val);
1825a91eb199SMark Brown 
1826a91eb199SMark Brown 	return 0;
1827a91eb199SMark Brown }
1828a91eb199SMark Brown 
1829a91eb199SMark Brown static int wm8904_set_bias_level(struct snd_soc_codec *codec,
1830a91eb199SMark Brown 				 enum snd_soc_bias_level level)
1831a91eb199SMark Brown {
1832b2c812e2SMark Brown 	struct wm8904_priv *wm8904 = snd_soc_codec_get_drvdata(codec);
1833c1334218SMark Brown 	int ret;
1834a91eb199SMark Brown 
1835a91eb199SMark Brown 	switch (level) {
1836a91eb199SMark Brown 	case SND_SOC_BIAS_ON:
1837a91eb199SMark Brown 		break;
1838a91eb199SMark Brown 
1839a91eb199SMark Brown 	case SND_SOC_BIAS_PREPARE:
1840a91eb199SMark Brown 		/* VMID resistance 2*50k */
1841a91eb199SMark Brown 		snd_soc_update_bits(codec, WM8904_VMID_CONTROL_0,
1842a91eb199SMark Brown 				    WM8904_VMID_RES_MASK,
1843a91eb199SMark Brown 				    0x1 << WM8904_VMID_RES_SHIFT);
1844a91eb199SMark Brown 
1845a91eb199SMark Brown 		/* Normal bias current */
1846a91eb199SMark Brown 		snd_soc_update_bits(codec, WM8904_BIAS_CONTROL_0,
1847a91eb199SMark Brown 				    WM8904_ISEL_MASK, 2 << WM8904_ISEL_SHIFT);
1848a91eb199SMark Brown 		break;
1849a91eb199SMark Brown 
1850a91eb199SMark Brown 	case SND_SOC_BIAS_STANDBY:
1851ce6120ccSLiam Girdwood 		if (codec->dapm.bias_level == SND_SOC_BIAS_OFF) {
1852a91eb199SMark Brown 			ret = regulator_bulk_enable(ARRAY_SIZE(wm8904->supplies),
1853a91eb199SMark Brown 						    wm8904->supplies);
1854a91eb199SMark Brown 			if (ret != 0) {
1855a91eb199SMark Brown 				dev_err(codec->dev,
1856a91eb199SMark Brown 					"Failed to enable supplies: %d\n",
1857a91eb199SMark Brown 					ret);
1858a91eb199SMark Brown 				return ret;
1859a91eb199SMark Brown 			}
1860a91eb199SMark Brown 
1861c1b88ee2SMark Brown 			regcache_cache_only(wm8904->regmap, false);
186284d0d831SMark Brown 			regcache_sync(wm8904->regmap);
1863a91eb199SMark Brown 
1864a91eb199SMark Brown 			/* Enable bias */
1865a91eb199SMark Brown 			snd_soc_update_bits(codec, WM8904_BIAS_CONTROL_0,
1866a91eb199SMark Brown 					    WM8904_BIAS_ENA, WM8904_BIAS_ENA);
1867a91eb199SMark Brown 
1868a91eb199SMark Brown 			/* Enable VMID, VMID buffering, 2*5k resistance */
1869a91eb199SMark Brown 			snd_soc_update_bits(codec, WM8904_VMID_CONTROL_0,
1870a91eb199SMark Brown 					    WM8904_VMID_ENA |
1871a91eb199SMark Brown 					    WM8904_VMID_RES_MASK,
1872a91eb199SMark Brown 					    WM8904_VMID_ENA |
1873a91eb199SMark Brown 					    0x3 << WM8904_VMID_RES_SHIFT);
1874a91eb199SMark Brown 
1875a91eb199SMark Brown 			/* Let VMID ramp */
1876a91eb199SMark Brown 			msleep(1);
1877a91eb199SMark Brown 		}
1878a91eb199SMark Brown 
1879a91eb199SMark Brown 		/* Maintain VMID with 2*250k */
1880a91eb199SMark Brown 		snd_soc_update_bits(codec, WM8904_VMID_CONTROL_0,
1881a91eb199SMark Brown 				    WM8904_VMID_RES_MASK,
1882a91eb199SMark Brown 				    0x2 << WM8904_VMID_RES_SHIFT);
1883a91eb199SMark Brown 
1884a91eb199SMark Brown 		/* Bias current *0.5 */
1885a91eb199SMark Brown 		snd_soc_update_bits(codec, WM8904_BIAS_CONTROL_0,
1886a91eb199SMark Brown 				    WM8904_ISEL_MASK, 0);
1887a91eb199SMark Brown 		break;
1888a91eb199SMark Brown 
1889a91eb199SMark Brown 	case SND_SOC_BIAS_OFF:
1890a91eb199SMark Brown 		/* Turn off VMID */
1891a91eb199SMark Brown 		snd_soc_update_bits(codec, WM8904_VMID_CONTROL_0,
1892a91eb199SMark Brown 				    WM8904_VMID_RES_MASK | WM8904_VMID_ENA, 0);
1893a91eb199SMark Brown 
1894a91eb199SMark Brown 		/* Stop bias generation */
1895a91eb199SMark Brown 		snd_soc_update_bits(codec, WM8904_BIAS_CONTROL_0,
1896a91eb199SMark Brown 				    WM8904_BIAS_ENA, 0);
1897a91eb199SMark Brown 
1898c1b88ee2SMark Brown 		regcache_cache_only(wm8904->regmap, true);
1899c1b88ee2SMark Brown 		regcache_mark_dirty(wm8904->regmap);
1900c1334218SMark Brown 
1901a91eb199SMark Brown 		regulator_bulk_disable(ARRAY_SIZE(wm8904->supplies),
1902a91eb199SMark Brown 				       wm8904->supplies);
1903a91eb199SMark Brown 		break;
1904a91eb199SMark Brown 	}
1905ce6120ccSLiam Girdwood 	codec->dapm.bias_level = level;
1906a91eb199SMark Brown 	return 0;
1907a91eb199SMark Brown }
1908a91eb199SMark Brown 
1909a91eb199SMark Brown #define WM8904_RATES SNDRV_PCM_RATE_8000_96000
1910a91eb199SMark Brown 
1911a91eb199SMark Brown #define WM8904_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE |\
1912a91eb199SMark Brown 			SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S32_LE)
1913a91eb199SMark Brown 
191485e7652dSLars-Peter Clausen static const struct snd_soc_dai_ops wm8904_dai_ops = {
1915a91eb199SMark Brown 	.set_sysclk = wm8904_set_sysclk,
1916a91eb199SMark Brown 	.set_fmt = wm8904_set_fmt,
1917a91eb199SMark Brown 	.set_tdm_slot = wm8904_set_tdm_slot,
1918a91eb199SMark Brown 	.set_pll = wm8904_set_fll,
1919a91eb199SMark Brown 	.hw_params = wm8904_hw_params,
1920a91eb199SMark Brown 	.digital_mute = wm8904_digital_mute,
1921a91eb199SMark Brown };
1922a91eb199SMark Brown 
1923f0fba2adSLiam Girdwood static struct snd_soc_dai_driver wm8904_dai = {
1924f0fba2adSLiam Girdwood 	.name = "wm8904-hifi",
1925a91eb199SMark Brown 	.playback = {
1926a91eb199SMark Brown 		.stream_name = "Playback",
1927a91eb199SMark Brown 		.channels_min = 2,
1928a91eb199SMark Brown 		.channels_max = 2,
1929a91eb199SMark Brown 		.rates = WM8904_RATES,
1930a91eb199SMark Brown 		.formats = WM8904_FORMATS,
1931a91eb199SMark Brown 	},
1932a91eb199SMark Brown 	.capture = {
1933a91eb199SMark Brown 		.stream_name = "Capture",
1934a91eb199SMark Brown 		.channels_min = 2,
1935a91eb199SMark Brown 		.channels_max = 2,
1936a91eb199SMark Brown 		.rates = WM8904_RATES,
1937a91eb199SMark Brown 		.formats = WM8904_FORMATS,
1938a91eb199SMark Brown 	},
1939a91eb199SMark Brown 	.ops = &wm8904_dai_ops,
1940a91eb199SMark Brown 	.symmetric_rates = 1,
1941a91eb199SMark Brown };
1942a91eb199SMark Brown 
1943f0fba2adSLiam Girdwood static void wm8904_handle_retune_mobile_pdata(struct snd_soc_codec *codec)
1944a91eb199SMark Brown {
1945f0fba2adSLiam Girdwood 	struct wm8904_priv *wm8904 = snd_soc_codec_get_drvdata(codec);
1946a91eb199SMark Brown 	struct wm8904_pdata *pdata = wm8904->pdata;
1947a91eb199SMark Brown 	struct snd_kcontrol_new control =
1948a91eb199SMark Brown 		SOC_ENUM_EXT("EQ Mode",
1949a91eb199SMark Brown 			     wm8904->retune_mobile_enum,
1950a91eb199SMark Brown 			     wm8904_get_retune_mobile_enum,
1951a91eb199SMark Brown 			     wm8904_put_retune_mobile_enum);
1952a91eb199SMark Brown 	int ret, i, j;
1953a91eb199SMark Brown 	const char **t;
1954a91eb199SMark Brown 
1955a91eb199SMark Brown 	/* We need an array of texts for the enum API but the number
1956a91eb199SMark Brown 	 * of texts is likely to be less than the number of
1957a91eb199SMark Brown 	 * configurations due to the sample rate dependency of the
1958a91eb199SMark Brown 	 * configurations. */
1959a91eb199SMark Brown 	wm8904->num_retune_mobile_texts = 0;
1960a91eb199SMark Brown 	wm8904->retune_mobile_texts = NULL;
1961a91eb199SMark Brown 	for (i = 0; i < pdata->num_retune_mobile_cfgs; i++) {
1962a91eb199SMark Brown 		for (j = 0; j < wm8904->num_retune_mobile_texts; j++) {
1963a91eb199SMark Brown 			if (strcmp(pdata->retune_mobile_cfgs[i].name,
1964a91eb199SMark Brown 				   wm8904->retune_mobile_texts[j]) == 0)
1965a91eb199SMark Brown 				break;
1966a91eb199SMark Brown 		}
1967a91eb199SMark Brown 
1968a91eb199SMark Brown 		if (j != wm8904->num_retune_mobile_texts)
1969a91eb199SMark Brown 			continue;
1970a91eb199SMark Brown 
1971a91eb199SMark Brown 		/* Expand the array... */
1972a91eb199SMark Brown 		t = krealloc(wm8904->retune_mobile_texts,
1973a91eb199SMark Brown 			     sizeof(char *) *
1974a91eb199SMark Brown 			     (wm8904->num_retune_mobile_texts + 1),
1975a91eb199SMark Brown 			     GFP_KERNEL);
1976a91eb199SMark Brown 		if (t == NULL)
1977a91eb199SMark Brown 			continue;
1978a91eb199SMark Brown 
1979a91eb199SMark Brown 		/* ...store the new entry... */
1980a91eb199SMark Brown 		t[wm8904->num_retune_mobile_texts] =
1981a91eb199SMark Brown 			pdata->retune_mobile_cfgs[i].name;
1982a91eb199SMark Brown 
1983a91eb199SMark Brown 		/* ...and remember the new version. */
1984a91eb199SMark Brown 		wm8904->num_retune_mobile_texts++;
1985a91eb199SMark Brown 		wm8904->retune_mobile_texts = t;
1986a91eb199SMark Brown 	}
1987a91eb199SMark Brown 
1988a91eb199SMark Brown 	dev_dbg(codec->dev, "Allocated %d unique ReTune Mobile names\n",
1989a91eb199SMark Brown 		wm8904->num_retune_mobile_texts);
1990a91eb199SMark Brown 
1991a91eb199SMark Brown 	wm8904->retune_mobile_enum.max = wm8904->num_retune_mobile_texts;
1992a91eb199SMark Brown 	wm8904->retune_mobile_enum.texts = wm8904->retune_mobile_texts;
1993a91eb199SMark Brown 
1994022658beSLiam Girdwood 	ret = snd_soc_add_codec_controls(codec, &control, 1);
1995a91eb199SMark Brown 	if (ret != 0)
1996f0fba2adSLiam Girdwood 		dev_err(codec->dev,
1997a91eb199SMark Brown 			"Failed to add ReTune Mobile control: %d\n", ret);
1998a91eb199SMark Brown }
1999a91eb199SMark Brown 
2000f0fba2adSLiam Girdwood static void wm8904_handle_pdata(struct snd_soc_codec *codec)
2001a91eb199SMark Brown {
2002f0fba2adSLiam Girdwood 	struct wm8904_priv *wm8904 = snd_soc_codec_get_drvdata(codec);
2003a91eb199SMark Brown 	struct wm8904_pdata *pdata = wm8904->pdata;
2004a91eb199SMark Brown 	int ret, i;
2005a91eb199SMark Brown 
2006a91eb199SMark Brown 	if (!pdata) {
2007022658beSLiam Girdwood 		snd_soc_add_codec_controls(codec, wm8904_eq_controls,
2008a91eb199SMark Brown 				     ARRAY_SIZE(wm8904_eq_controls));
2009a91eb199SMark Brown 		return;
2010a91eb199SMark Brown 	}
2011a91eb199SMark Brown 
2012a91eb199SMark Brown 	dev_dbg(codec->dev, "%d DRC configurations\n", pdata->num_drc_cfgs);
2013a91eb199SMark Brown 
2014a91eb199SMark Brown 	if (pdata->num_drc_cfgs) {
2015a91eb199SMark Brown 		struct snd_kcontrol_new control =
2016a91eb199SMark Brown 			SOC_ENUM_EXT("DRC Mode", wm8904->drc_enum,
2017a91eb199SMark Brown 				     wm8904_get_drc_enum, wm8904_put_drc_enum);
2018a91eb199SMark Brown 
2019a91eb199SMark Brown 		/* We need an array of texts for the enum API */
2020a91eb199SMark Brown 		wm8904->drc_texts = kmalloc(sizeof(char *)
2021a91eb199SMark Brown 					    * pdata->num_drc_cfgs, GFP_KERNEL);
2022a91eb199SMark Brown 		if (!wm8904->drc_texts) {
2023f0fba2adSLiam Girdwood 			dev_err(codec->dev,
2024a91eb199SMark Brown 				"Failed to allocate %d DRC config texts\n",
2025a91eb199SMark Brown 				pdata->num_drc_cfgs);
2026a91eb199SMark Brown 			return;
2027a91eb199SMark Brown 		}
2028a91eb199SMark Brown 
2029a91eb199SMark Brown 		for (i = 0; i < pdata->num_drc_cfgs; i++)
2030a91eb199SMark Brown 			wm8904->drc_texts[i] = pdata->drc_cfgs[i].name;
2031a91eb199SMark Brown 
2032a91eb199SMark Brown 		wm8904->drc_enum.max = pdata->num_drc_cfgs;
2033a91eb199SMark Brown 		wm8904->drc_enum.texts = wm8904->drc_texts;
2034a91eb199SMark Brown 
2035022658beSLiam Girdwood 		ret = snd_soc_add_codec_controls(codec, &control, 1);
2036a91eb199SMark Brown 		if (ret != 0)
2037f0fba2adSLiam Girdwood 			dev_err(codec->dev,
2038a91eb199SMark Brown 				"Failed to add DRC mode control: %d\n", ret);
2039a91eb199SMark Brown 
2040a91eb199SMark Brown 		wm8904_set_drc(codec);
2041a91eb199SMark Brown 	}
2042a91eb199SMark Brown 
2043a91eb199SMark Brown 	dev_dbg(codec->dev, "%d ReTune Mobile configurations\n",
2044a91eb199SMark Brown 		pdata->num_retune_mobile_cfgs);
2045a91eb199SMark Brown 
2046a91eb199SMark Brown 	if (pdata->num_retune_mobile_cfgs)
2047f0fba2adSLiam Girdwood 		wm8904_handle_retune_mobile_pdata(codec);
2048a91eb199SMark Brown 	else
2049022658beSLiam Girdwood 		snd_soc_add_codec_controls(codec, wm8904_eq_controls,
2050a91eb199SMark Brown 				     ARRAY_SIZE(wm8904_eq_controls));
2051a91eb199SMark Brown }
2052a91eb199SMark Brown 
2053f0fba2adSLiam Girdwood 
2054f0fba2adSLiam Girdwood static int wm8904_probe(struct snd_soc_codec *codec)
2055a91eb199SMark Brown {
2056f0fba2adSLiam Girdwood 	struct wm8904_priv *wm8904 = snd_soc_codec_get_drvdata(codec);
2057cdce4e9bSMark Brown 	struct wm8904_pdata *pdata = wm8904->pdata;
2058f0fba2adSLiam Girdwood 	int ret, i;
2059a91eb199SMark Brown 
206084d0d831SMark Brown 	codec->control_data = wm8904->regmap;
2061a91eb199SMark Brown 
20628c126474SMark Brown 	switch (wm8904->devtype) {
20638c126474SMark Brown 	case WM8904:
20648c126474SMark Brown 		break;
20658c126474SMark Brown 	case WM8912:
20668c126474SMark Brown 		memset(&wm8904_dai.capture, 0, sizeof(wm8904_dai.capture));
20678c126474SMark Brown 		break;
20688c126474SMark Brown 	default:
20698c126474SMark Brown 		dev_err(codec->dev, "Unknown device type %d\n",
20708c126474SMark Brown 			wm8904->devtype);
2071f0fba2adSLiam Girdwood 		return -EINVAL;
20728c126474SMark Brown 	}
20738c126474SMark Brown 
207484d0d831SMark Brown 	ret = snd_soc_codec_set_cache_io(codec, 8, 16, SND_SOC_REGMAP);
2075a91eb199SMark Brown 	if (ret != 0) {
2076a91eb199SMark Brown 		dev_err(codec->dev, "Failed to set cache I/O: %d\n", ret);
2077f0fba2adSLiam Girdwood 		return ret;
2078a91eb199SMark Brown 	}
2079a91eb199SMark Brown 
2080a91eb199SMark Brown 	/* Change some default settings - latch VU and enable ZC */
2081a1b3b5eeSMark Brown 	snd_soc_update_bits(codec, WM8904_ADC_DIGITAL_VOLUME_LEFT,
2082a1b3b5eeSMark Brown 			    WM8904_ADC_VU, WM8904_ADC_VU);
2083a1b3b5eeSMark Brown 	snd_soc_update_bits(codec, WM8904_ADC_DIGITAL_VOLUME_RIGHT,
2084a1b3b5eeSMark Brown 			    WM8904_ADC_VU, WM8904_ADC_VU);
2085a1b3b5eeSMark Brown 	snd_soc_update_bits(codec, WM8904_DAC_DIGITAL_VOLUME_LEFT,
2086a1b3b5eeSMark Brown 			    WM8904_DAC_VU, WM8904_DAC_VU);
2087a1b3b5eeSMark Brown 	snd_soc_update_bits(codec, WM8904_DAC_DIGITAL_VOLUME_RIGHT,
2088a1b3b5eeSMark Brown 			    WM8904_DAC_VU, WM8904_DAC_VU);
2089a1b3b5eeSMark Brown 	snd_soc_update_bits(codec, WM8904_ANALOGUE_OUT1_LEFT,
2090a1b3b5eeSMark Brown 			    WM8904_HPOUT_VU | WM8904_HPOUTLZC,
2091a1b3b5eeSMark Brown 			    WM8904_HPOUT_VU | WM8904_HPOUTLZC);
2092a1b3b5eeSMark Brown 	snd_soc_update_bits(codec, WM8904_ANALOGUE_OUT1_RIGHT,
2093a1b3b5eeSMark Brown 			    WM8904_HPOUT_VU | WM8904_HPOUTRZC,
2094a1b3b5eeSMark Brown 			    WM8904_HPOUT_VU | WM8904_HPOUTRZC);
2095a1b3b5eeSMark Brown 	snd_soc_update_bits(codec, WM8904_ANALOGUE_OUT2_LEFT,
2096a1b3b5eeSMark Brown 			    WM8904_LINEOUT_VU | WM8904_LINEOUTLZC,
2097a1b3b5eeSMark Brown 			    WM8904_LINEOUT_VU | WM8904_LINEOUTLZC);
2098a1b3b5eeSMark Brown 	snd_soc_update_bits(codec, WM8904_ANALOGUE_OUT2_RIGHT,
2099a1b3b5eeSMark Brown 			    WM8904_LINEOUT_VU | WM8904_LINEOUTRZC,
2100a1b3b5eeSMark Brown 			    WM8904_LINEOUT_VU | WM8904_LINEOUTRZC);
2101a1b3b5eeSMark Brown 	snd_soc_update_bits(codec, WM8904_CLOCK_RATES_0,
2102a1b3b5eeSMark Brown 			    WM8904_SR_MODE, 0);
2103a91eb199SMark Brown 
2104cdce4e9bSMark Brown 	/* Apply configuration from the platform data. */
2105cdce4e9bSMark Brown 	if (wm8904->pdata) {
2106cdce4e9bSMark Brown 		for (i = 0; i < WM8904_GPIO_REGS; i++) {
2107cdce4e9bSMark Brown 			if (!pdata->gpio_cfg[i])
2108cdce4e9bSMark Brown 				continue;
2109cdce4e9bSMark Brown 
2110433897f7SMark Brown 			regmap_update_bits(wm8904->regmap,
2111433897f7SMark Brown 					   WM8904_GPIO_CONTROL_1 + i,
2112433897f7SMark Brown 					   0xffff,
2113433897f7SMark Brown 					   pdata->gpio_cfg[i]);
2114cdce4e9bSMark Brown 		}
2115fbc2dae8SMark Brown 
2116fbc2dae8SMark Brown 		/* Zero is the default value for these anyway */
2117fbc2dae8SMark Brown 		for (i = 0; i < WM8904_MIC_REGS; i++)
2118433897f7SMark Brown 			regmap_update_bits(wm8904->regmap,
2119433897f7SMark Brown 					   WM8904_MIC_BIAS_CONTROL_0 + i,
2120433897f7SMark Brown 					   0xffff,
2121433897f7SMark Brown 					   pdata->mic_cfg[i]);
2122cdce4e9bSMark Brown 	}
2123cdce4e9bSMark Brown 
2124a91eb199SMark Brown 	/* Set Class W by default - this will be managed by the Class
2125a91eb199SMark Brown 	 * G widget at runtime where bypass paths are available.
2126a91eb199SMark Brown 	 */
2127a1b3b5eeSMark Brown 	snd_soc_update_bits(codec, WM8904_CLASS_W_0,
2128a1b3b5eeSMark Brown 			    WM8904_CP_DYN_PWR, WM8904_CP_DYN_PWR);
2129a91eb199SMark Brown 
2130a91eb199SMark Brown 	/* Use normal bias source */
2131a1b3b5eeSMark Brown 	snd_soc_update_bits(codec, WM8904_BIAS_CONTROL_0,
2132a1b3b5eeSMark Brown 			    WM8904_POBCTRL, 0);
2133a91eb199SMark Brown 
2134f0fba2adSLiam Girdwood 	wm8904_handle_pdata(codec);
2135a91eb199SMark Brown 
2136f0fba2adSLiam Girdwood 	wm8904_add_widgets(codec);
2137a91eb199SMark Brown 
2138a91eb199SMark Brown 	return 0;
2139a91eb199SMark Brown }
2140a91eb199SMark Brown 
2141f0fba2adSLiam Girdwood static int wm8904_remove(struct snd_soc_codec *codec)
2142a91eb199SMark Brown {
2143f0fba2adSLiam Girdwood 	struct wm8904_priv *wm8904 = snd_soc_codec_get_drvdata(codec);
2144f0fba2adSLiam Girdwood 
2145cd70978cSAxel Lin 	kfree(wm8904->retune_mobile_texts);
2146cd70978cSAxel Lin 	kfree(wm8904->drc_texts);
2147f0fba2adSLiam Girdwood 
2148f0fba2adSLiam Girdwood 	return 0;
2149a91eb199SMark Brown }
2150a91eb199SMark Brown 
2151f0fba2adSLiam Girdwood static struct snd_soc_codec_driver soc_codec_dev_wm8904 = {
2152f0fba2adSLiam Girdwood 	.probe =	wm8904_probe,
2153f0fba2adSLiam Girdwood 	.remove =	wm8904_remove,
2154f0fba2adSLiam Girdwood 	.set_bias_level = wm8904_set_bias_level,
2155eb3032f8SAxel Lin 	.idle_bias_off = true,
215684d0d831SMark Brown };
215784d0d831SMark Brown 
215884d0d831SMark Brown static const struct regmap_config wm8904_regmap = {
215984d0d831SMark Brown 	.reg_bits = 8,
216084d0d831SMark Brown 	.val_bits = 16,
216184d0d831SMark Brown 
216284d0d831SMark Brown 	.max_register = WM8904_MAX_REGISTER,
216384d0d831SMark Brown 	.volatile_reg = wm8904_volatile_register,
216484d0d831SMark Brown 	.readable_reg = wm8904_readable_register,
216584d0d831SMark Brown 
216684d0d831SMark Brown 	.cache_type = REGCACHE_RBTREE,
216784d0d831SMark Brown 	.reg_defaults = wm8904_reg_defaults,
216884d0d831SMark Brown 	.num_reg_defaults = ARRAY_SIZE(wm8904_reg_defaults),
2169f0fba2adSLiam Girdwood };
2170f0fba2adSLiam Girdwood 
2171a91eb199SMark Brown static __devinit int wm8904_i2c_probe(struct i2c_client *i2c,
2172a91eb199SMark Brown 				      const struct i2c_device_id *id)
2173a91eb199SMark Brown {
2174a91eb199SMark Brown 	struct wm8904_priv *wm8904;
2175*03862cf6SMark Brown 	unsigned int val;
2176*03862cf6SMark Brown 	int ret, i;
2177a91eb199SMark Brown 
217893e26d4eSMark Brown 	wm8904 = devm_kzalloc(&i2c->dev, sizeof(struct wm8904_priv),
217993e26d4eSMark Brown 			      GFP_KERNEL);
2180a91eb199SMark Brown 	if (wm8904 == NULL)
2181a91eb199SMark Brown 		return -ENOMEM;
2182a91eb199SMark Brown 
2183d633edd9SMark Brown 	wm8904->regmap = devm_regmap_init_i2c(i2c, &wm8904_regmap);
218484d0d831SMark Brown 	if (IS_ERR(wm8904->regmap)) {
218584d0d831SMark Brown 		ret = PTR_ERR(wm8904->regmap);
218684d0d831SMark Brown 		dev_err(&i2c->dev, "Failed to allocate register map: %d\n",
218784d0d831SMark Brown 			ret);
218884d0d831SMark Brown 		return ret;
218984d0d831SMark Brown 	}
219084d0d831SMark Brown 
21918c126474SMark Brown 	wm8904->devtype = id->driver_data;
2192a91eb199SMark Brown 	i2c_set_clientdata(i2c, wm8904);
2193a91eb199SMark Brown 	wm8904->pdata = i2c->dev.platform_data;
2194a91eb199SMark Brown 
2195*03862cf6SMark Brown 	for (i = 0; i < ARRAY_SIZE(wm8904->supplies); i++)
2196*03862cf6SMark Brown 		wm8904->supplies[i].supply = wm8904_supply_names[i];
2197*03862cf6SMark Brown 
2198*03862cf6SMark Brown 	ret = devm_regulator_bulk_get(&i2c->dev, ARRAY_SIZE(wm8904->supplies),
2199*03862cf6SMark Brown 				      wm8904->supplies);
2200*03862cf6SMark Brown 	if (ret != 0) {
2201*03862cf6SMark Brown 		dev_err(&i2c->dev, "Failed to request supplies: %d\n", ret);
2202*03862cf6SMark Brown 		return ret;
2203*03862cf6SMark Brown 	}
2204*03862cf6SMark Brown 
2205*03862cf6SMark Brown 	ret = regulator_bulk_enable(ARRAY_SIZE(wm8904->supplies),
2206*03862cf6SMark Brown 				    wm8904->supplies);
2207*03862cf6SMark Brown 	if (ret != 0) {
2208*03862cf6SMark Brown 		dev_err(&i2c->dev, "Failed to enable supplies: %d\n", ret);
2209*03862cf6SMark Brown 		return ret;
2210*03862cf6SMark Brown 	}
2211*03862cf6SMark Brown 
2212*03862cf6SMark Brown 	ret = regmap_read(wm8904->regmap, WM8904_SW_RESET_AND_ID, &val);
2213*03862cf6SMark Brown 	if (ret < 0) {
2214*03862cf6SMark Brown 		dev_err(&i2c->dev, "Failed to read ID register: %d\n", ret);
2215*03862cf6SMark Brown 		goto err_enable;
2216*03862cf6SMark Brown 	}
2217*03862cf6SMark Brown 	if (val != 0x8904) {
2218*03862cf6SMark Brown 		dev_err(&i2c->dev, "Device is not a WM8904, ID is %x\n", val);
2219*03862cf6SMark Brown 		ret = -EINVAL;
2220*03862cf6SMark Brown 		goto err_enable;
2221*03862cf6SMark Brown 	}
2222*03862cf6SMark Brown 
2223*03862cf6SMark Brown 	ret = regmap_read(wm8904->regmap, WM8904_REVISION, &val);
2224*03862cf6SMark Brown 	if (ret < 0) {
2225*03862cf6SMark Brown 		dev_err(&i2c->dev, "Failed to read device revision: %d\n",
2226*03862cf6SMark Brown 			ret);
2227*03862cf6SMark Brown 		goto err_enable;
2228*03862cf6SMark Brown 	}
2229*03862cf6SMark Brown 	dev_info(&i2c->dev, "revision %c\n", val + 'A');
2230*03862cf6SMark Brown 
2231*03862cf6SMark Brown 	ret = regmap_write(wm8904->regmap, WM8904_SW_RESET_AND_ID, 0);
2232*03862cf6SMark Brown 	if (ret < 0) {
2233*03862cf6SMark Brown 		dev_err(&i2c->dev, "Failed to issue reset: %d\n", ret);
2234*03862cf6SMark Brown 		goto err_enable;
2235*03862cf6SMark Brown 	}
2236*03862cf6SMark Brown 
2237*03862cf6SMark Brown 	/* Can leave the device powered off until we need it */
2238*03862cf6SMark Brown 	regcache_cache_only(wm8904->regmap, true);
2239*03862cf6SMark Brown 	regulator_bulk_disable(ARRAY_SIZE(wm8904->supplies), wm8904->supplies);
2240*03862cf6SMark Brown 
2241f0fba2adSLiam Girdwood 	ret = snd_soc_register_codec(&i2c->dev,
2242f0fba2adSLiam Girdwood 			&soc_codec_dev_wm8904, &wm8904_dai, 1);
224384d0d831SMark Brown 	if (ret != 0)
2244*03862cf6SMark Brown 		return ret;
224593e26d4eSMark Brown 
224684d0d831SMark Brown 	return 0;
224784d0d831SMark Brown 
2248*03862cf6SMark Brown err_enable:
2249*03862cf6SMark Brown 	regulator_bulk_disable(ARRAY_SIZE(wm8904->supplies), wm8904->supplies);
2250f0fba2adSLiam Girdwood 	return ret;
2251a91eb199SMark Brown }
2252a91eb199SMark Brown 
2253a91eb199SMark Brown static __devexit int wm8904_i2c_remove(struct i2c_client *client)
2254a91eb199SMark Brown {
2255f0fba2adSLiam Girdwood 	snd_soc_unregister_codec(&client->dev);
2256a91eb199SMark Brown 	return 0;
2257a91eb199SMark Brown }
2258a91eb199SMark Brown 
2259a91eb199SMark Brown static const struct i2c_device_id wm8904_i2c_id[] = {
22608c126474SMark Brown 	{ "wm8904", WM8904 },
22618c126474SMark Brown 	{ "wm8912", WM8912 },
2262df1553c8SMark Brown 	{ "wm8918", WM8904 },   /* Actually a subset, updates to follow */
2263a91eb199SMark Brown 	{ }
2264a91eb199SMark Brown };
2265a91eb199SMark Brown MODULE_DEVICE_TABLE(i2c, wm8904_i2c_id);
2266a91eb199SMark Brown 
2267a91eb199SMark Brown static struct i2c_driver wm8904_i2c_driver = {
2268a91eb199SMark Brown 	.driver = {
2269091edccfSMark Brown 		.name = "wm8904",
2270a91eb199SMark Brown 		.owner = THIS_MODULE,
2271a91eb199SMark Brown 	},
2272a91eb199SMark Brown 	.probe =    wm8904_i2c_probe,
2273a91eb199SMark Brown 	.remove =   __devexit_p(wm8904_i2c_remove),
2274a91eb199SMark Brown 	.id_table = wm8904_i2c_id,
2275a91eb199SMark Brown };
2276a91eb199SMark Brown 
22778cb28fd6SMark Brown module_i2c_driver(wm8904_i2c_driver);
2278a91eb199SMark Brown 
2279a91eb199SMark Brown MODULE_DESCRIPTION("ASoC WM8904 driver");
2280a91eb199SMark Brown MODULE_AUTHOR("Mark Brown <broonie@opensource.wolfsonmicro.com>");
2281a91eb199SMark Brown MODULE_LICENSE("GPL");
2282