2 * ALSA SoC TLV320AIC3X codec driver
4 * Author: Vladimir Barinov, <vbarinov@embeddedalley.com>
5 * Copyright: (C) 2007 MontaVista Software, Inc., <source@mvista.com>
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License version 2 as
9 * published by the Free Software Foundation.
15 /* AIC3X register space */
16 #define AIC3X_CACHEREGNUM 103
18 /* Page select register */
19 #define AIC3X_PAGE_SELECT 0
20 /* Software reset register */
22 /* Codec Sample rate select register */
23 #define AIC3X_SAMPLE_RATE_SEL_REG 2
24 /* PLL progrramming register A */
25 #define AIC3X_PLL_PROGA_REG 3
26 /* PLL progrramming register B */
27 #define AIC3X_PLL_PROGB_REG 4
28 /* PLL progrramming register C */
29 #define AIC3X_PLL_PROGC_REG 5
30 /* PLL progrramming register D */
31 #define AIC3X_PLL_PROGD_REG 6
32 /* Codec datapath setup register */
33 #define AIC3X_CODEC_DATAPATH_REG 7
34 /* Audio serial data interface control register A */
35 #define AIC3X_ASD_INTF_CTRLA 8
36 /* Audio serial data interface control register B */
37 #define AIC3X_ASD_INTF_CTRLB 9
38 /* Audio serial data interface control register C */
39 #define AIC3X_ASD_INTF_CTRLC 10
40 /* Audio overflow status and PLL R value programming register */
41 #define AIC3X_OVRF_STATUS_AND_PLLR_REG 11
42 /* Audio codec digital filter control register */
43 #define AIC3X_CODEC_DFILT_CTRL 12
44 /* Headset/button press detection register */
45 #define AIC3X_HEADSET_DETECT_CTRL_A 13
46 #define AIC3X_HEADSET_DETECT_CTRL_B 14
47 /* ADC PGA Gain control registers */
50 /* MIC3 control registers */
51 #define MIC3LR_2_LADC_CTRL 17
52 #define MIC3LR_2_RADC_CTRL 18
53 /* Line1 Input control registers */
54 #define LINE1L_2_LADC_CTRL 19
55 #define LINE1R_2_LADC_CTRL 21
56 #define LINE1R_2_RADC_CTRL 22
57 #define LINE1L_2_RADC_CTRL 24
58 /* Line2 Input control registers */
59 #define LINE2L_2_LADC_CTRL 20
60 #define LINE2R_2_RADC_CTRL 23
61 /* MICBIAS Control Register */
62 #define MICBIAS_CTRL 25
64 /* AGC Control Registers A, B, C */
65 #define LAGC_CTRL_A 26
66 #define LAGC_CTRL_B 27
67 #define LAGC_CTRL_C 28
68 #define RAGC_CTRL_A 29
69 #define RAGC_CTRL_B 30
70 #define RAGC_CTRL_C 31
72 /* DAC Power and Left High Power Output control registers */
75 /* Right High Power Output control registers */
77 /* DAC Output Switching control registers */
78 #define DAC_LINE_MUX 41
79 /* High Power Output Driver Pop Reduction registers */
80 #define HPOUT_POP_REDUCTION 42
81 /* DAC Digital control registers */
84 /* High Power Output control registers */
85 #define LINE2L_2_HPLOUT_VOL 45
86 #define LINE2R_2_HPROUT_VOL 62
87 #define PGAL_2_HPLOUT_VOL 46
88 #define PGAL_2_HPROUT_VOL 60
89 #define PGAR_2_HPLOUT_VOL 49
90 #define PGAR_2_HPROUT_VOL 63
91 #define DACL1_2_HPLOUT_VOL 47
92 #define DACR1_2_HPROUT_VOL 64
93 #define HPLOUT_CTRL 51
94 #define HPROUT_CTRL 65
95 /* High Power COM control registers */
96 #define LINE2L_2_HPLCOM_VOL 52
97 #define LINE2R_2_HPRCOM_VOL 69
98 #define PGAL_2_HPLCOM_VOL 53
99 #define PGAR_2_HPLCOM_VOL 56
100 #define PGAL_2_HPRCOM_VOL 67
101 #define PGAR_2_HPRCOM_VOL 70
102 #define DACL1_2_HPLCOM_VOL 54
103 #define DACR1_2_HPRCOM_VOL 71
104 #define HPLCOM_CTRL 58
105 #define HPRCOM_CTRL 72
106 /* Mono Line Output Plus/Minus control registers */
107 #define LINE2L_2_MONOLOPM_VOL 73
108 #define LINE2R_2_MONOLOPM_VOL 76
109 #define PGAL_2_MONOLOPM_VOL 74
110 #define PGAR_2_MONOLOPM_VOL 77
111 #define DACL1_2_MONOLOPM_VOL 75
112 #define DACR1_2_MONOLOPM_VOL 78
113 #define MONOLOPM_CTRL 79
114 /* Line Output Plus/Minus control registers */
115 #define LINE2L_2_LLOPM_VOL 80
116 #define LINE2L_2_RLOPM_VOL 87
117 #define LINE2R_2_LLOPM_VOL 83
118 #define LINE2R_2_RLOPM_VOL 90
119 #define PGAL_2_LLOPM_VOL 81
120 #define PGAL_2_RLOPM_VOL 88
121 #define PGAR_2_LLOPM_VOL 84
122 #define PGAR_2_RLOPM_VOL 91
123 #define DACL1_2_LLOPM_VOL 82
124 #define DACL1_2_RLOPM_VOL 89
125 #define DACR1_2_RLOPM_VOL 92
126 #define DACR1_2_LLOPM_VOL 85
127 #define LLOPM_CTRL 86
128 #define RLOPM_CTRL 93
129 /* GPIO/IRQ registers */
130 #define AIC3X_STICKY_IRQ_FLAGS_REG 96
131 #define AIC3X_RT_IRQ_FLAGS_REG 97
132 #define AIC3X_GPIO1_REG 98
133 #define AIC3X_GPIO2_REG 99
134 #define AIC3X_GPIOA_REG 100
135 #define AIC3X_GPIOB_REG 101
136 /* Clock generation control register */
137 #define AIC3X_CLKGEN_CTRL_REG 102
139 /* Page select register bits */
140 #define PAGE0_SELECT 0
141 #define PAGE1_SELECT 1
143 /* Audio serial data interface control register A bits */
144 #define BIT_CLK_MASTER 0x80
145 #define WORD_CLK_MASTER 0x40
147 /* Codec Datapath setup register 7 */
148 #define FSREF_44100 (1 << 7)
149 #define FSREF_48000 (0 << 7)
150 #define DUAL_RATE_MODE ((1 << 5) | (1 << 6))
151 #define LDAC2LCH (0x1 << 3)
152 #define RDAC2RCH (0x1 << 1)
154 /* PLL registers bitfields */
159 #define PLLD_MSB_SHIFT 0
160 #define PLLD_LSB_SHIFT 2
162 /* Clock generation register bits */
163 #define CODEC_CLKIN_PLLDIV 0
164 #define CODEC_CLKIN_CLKDIV 1
165 #define PLL_CLKIN_SHIFT 4
166 #define MCLK_SOURCE 0x0
167 #define PLL_CLKDIV_SHIFT 0
169 /* Software reset register bits */
170 #define SOFT_RESET 0x80
172 /* PLL progrramming register A bits */
173 #define PLL_ENABLE 0x80
176 #define ROUTE_ON 0x80
183 #define LADC_PWR_ON 0x04
184 #define RADC_PWR_ON 0x04
185 #define LDAC_PWR_ON 0x80
186 #define RDAC_PWR_ON 0x40
187 #define HPLOUT_PWR_ON 0x01
188 #define HPROUT_PWR_ON 0x01
189 #define HPLCOM_PWR_ON 0x01
190 #define HPRCOM_PWR_ON 0x01
191 #define MONOLOPM_PWR_ON 0x01
192 #define LLOPM_PWR_ON 0x01
193 #define RLOPM_PWR_ON 0x01
195 #define INVERT_VOL(val) (0x7f - val)
197 /* Default output volume (inverted) */
198 #define DEFAULT_VOL INVERT_VOL(0x50)
199 /* Default input volume */
200 #define DEFAULT_GAIN 0x20
204 AIC3X_GPIO1_FUNC_DISABLED = 0,
205 AIC3X_GPIO1_FUNC_AUDIO_WORDCLK_ADC = 1,
206 AIC3X_GPIO1_FUNC_CLOCK_MUX = 2,
207 AIC3X_GPIO1_FUNC_CLOCK_MUX_DIV2 = 3,
208 AIC3X_GPIO1_FUNC_CLOCK_MUX_DIV4 = 4,
209 AIC3X_GPIO1_FUNC_CLOCK_MUX_DIV8 = 5,
210 AIC3X_GPIO1_FUNC_SHORT_CIRCUIT_IRQ = 6,
211 AIC3X_GPIO1_FUNC_AGC_NOISE_IRQ = 7,
212 AIC3X_GPIO1_FUNC_INPUT = 8,
213 AIC3X_GPIO1_FUNC_OUTPUT = 9,
214 AIC3X_GPIO1_FUNC_DIGITAL_MIC_MODCLK = 10,
215 AIC3X_GPIO1_FUNC_AUDIO_WORDCLK = 11,
216 AIC3X_GPIO1_FUNC_BUTTON_IRQ = 12,
217 AIC3X_GPIO1_FUNC_HEADSET_DETECT_IRQ = 13,
218 AIC3X_GPIO1_FUNC_HEADSET_DETECT_OR_BUTTON_IRQ = 14,
219 AIC3X_GPIO1_FUNC_ALL_IRQ = 16
223 AIC3X_GPIO2_FUNC_DISABLED = 0,
224 AIC3X_GPIO2_FUNC_HEADSET_DETECT_IRQ = 2,
225 AIC3X_GPIO2_FUNC_INPUT = 3,
226 AIC3X_GPIO2_FUNC_OUTPUT = 4,
227 AIC3X_GPIO2_FUNC_DIGITAL_MIC_INPUT = 5,
228 AIC3X_GPIO2_FUNC_AUDIO_BITCLK = 8,
229 AIC3X_GPIO2_FUNC_HEADSET_DETECT_OR_BUTTON_IRQ = 9,
230 AIC3X_GPIO2_FUNC_ALL_IRQ = 10,
231 AIC3X_GPIO2_FUNC_SHORT_CIRCUIT_OR_AGC_IRQ = 11,
232 AIC3X_GPIO2_FUNC_HEADSET_OR_BUTTON_PRESS_OR_SHORT_CIRCUIT_IRQ = 12,
233 AIC3X_GPIO2_FUNC_SHORT_CIRCUIT_IRQ = 13,
234 AIC3X_GPIO2_FUNC_AGC_NOISE_IRQ = 14,
235 AIC3X_GPIO2_FUNC_BUTTON_PRESS_IRQ = 15
238 void aic3x_set_gpio(struct snd_soc_codec *codec, int gpio, int state);
239 int aic3x_get_gpio(struct snd_soc_codec *codec, int gpio);
241 /* headset detection / button API */
243 /* The AIC3x supports detection of stereo headsets (GND + left + right signal)
244 * and cellular headsets (GND + speaker output + microphone input).
245 * It is recommended to enable MIC bias for this function to work properly.
246 * For more information, please refer to the datasheet. */
248 AIC3X_HEADSET_DETECT_OFF = 0,
249 AIC3X_HEADSET_DETECT_STEREO = 1,
250 AIC3X_HEADSET_DETECT_CELLULAR = 2,
251 AIC3X_HEADSET_DETECT_BOTH = 3
255 AIC3X_HEADSET_DEBOUNCE_16MS = 0,
256 AIC3X_HEADSET_DEBOUNCE_32MS = 1,
257 AIC3X_HEADSET_DEBOUNCE_64MS = 2,
258 AIC3X_HEADSET_DEBOUNCE_128MS = 3,
259 AIC3X_HEADSET_DEBOUNCE_256MS = 4,
260 AIC3X_HEADSET_DEBOUNCE_512MS = 5
264 AIC3X_BUTTON_DEBOUNCE_0MS = 0,
265 AIC3X_BUTTON_DEBOUNCE_8MS = 1,
266 AIC3X_BUTTON_DEBOUNCE_16MS = 2,
267 AIC3X_BUTTON_DEBOUNCE_32MS = 3
270 #define AIC3X_HEADSET_DETECT_ENABLED 0x80
271 #define AIC3X_HEADSET_DETECT_SHIFT 5
272 #define AIC3X_HEADSET_DETECT_MASK 3
273 #define AIC3X_HEADSET_DEBOUNCE_SHIFT 2
274 #define AIC3X_HEADSET_DEBOUNCE_MASK 7
275 #define AIC3X_BUTTON_DEBOUNCE_SHIFT 0
276 #define AIC3X_BUTTON_DEBOUNCE_MASK 3
278 /* see the enums above for valid parameters to this function */
279 void aic3x_set_headset_detection(struct snd_soc_codec *codec, int detect,
280 int headset_debounce, int button_debounce);
281 int aic3x_headset_detected(struct snd_soc_codec *codec);
282 int aic3x_button_pressed(struct snd_soc_codec *codec);
284 struct aic3x_setup_data {
286 unsigned short i2c_address;
287 unsigned int gpio_func[2];
290 extern struct snd_soc_dai aic3x_dai;
291 extern struct snd_soc_codec_device soc_codec_dev_aic3x;
293 #endif /* _AIC3X_H */