1 /*
2  * Platform data for Texas Instruments TLV320AIC3x codec
3  *
4  * Author: Jarkko Nikula <jarkko.nikula@bitmer.com>
5  *
6  * This program is free software; you can redistribute it and/or modify
7  * it under the terms of the GNU General Public License version 2 as
8  * published by the Free Software Foundation.
9  */
10 #ifndef __TLV320AIC3x_H__
11 #define __TLV320AIC3x_H__
12 
13 /* GPIO API */
14 enum {
15 	AIC3X_GPIO1_FUNC_DISABLED		= 0,
16 	AIC3X_GPIO1_FUNC_AUDIO_WORDCLK_ADC	= 1,
17 	AIC3X_GPIO1_FUNC_CLOCK_MUX		= 2,
18 	AIC3X_GPIO1_FUNC_CLOCK_MUX_DIV2		= 3,
19 	AIC3X_GPIO1_FUNC_CLOCK_MUX_DIV4		= 4,
20 	AIC3X_GPIO1_FUNC_CLOCK_MUX_DIV8		= 5,
21 	AIC3X_GPIO1_FUNC_SHORT_CIRCUIT_IRQ	= 6,
22 	AIC3X_GPIO1_FUNC_AGC_NOISE_IRQ		= 7,
23 	AIC3X_GPIO1_FUNC_INPUT			= 8,
24 	AIC3X_GPIO1_FUNC_OUTPUT			= 9,
25 	AIC3X_GPIO1_FUNC_DIGITAL_MIC_MODCLK	= 10,
26 	AIC3X_GPIO1_FUNC_AUDIO_WORDCLK		= 11,
27 	AIC3X_GPIO1_FUNC_BUTTON_IRQ		= 12,
28 	AIC3X_GPIO1_FUNC_HEADSET_DETECT_IRQ	= 13,
29 	AIC3X_GPIO1_FUNC_HEADSET_DETECT_OR_BUTTON_IRQ	= 14,
30 	AIC3X_GPIO1_FUNC_ALL_IRQ		= 16
31 };
32 
33 enum {
34 	AIC3X_GPIO2_FUNC_DISABLED		= 0,
35 	AIC3X_GPIO2_FUNC_HEADSET_DETECT_IRQ	= 2,
36 	AIC3X_GPIO2_FUNC_INPUT			= 3,
37 	AIC3X_GPIO2_FUNC_OUTPUT			= 4,
38 	AIC3X_GPIO2_FUNC_DIGITAL_MIC_INPUT	= 5,
39 	AIC3X_GPIO2_FUNC_AUDIO_BITCLK		= 8,
40 	AIC3X_GPIO2_FUNC_HEADSET_DETECT_OR_BUTTON_IRQ = 9,
41 	AIC3X_GPIO2_FUNC_ALL_IRQ		= 10,
42 	AIC3X_GPIO2_FUNC_SHORT_CIRCUIT_OR_AGC_IRQ = 11,
43 	AIC3X_GPIO2_FUNC_HEADSET_OR_BUTTON_PRESS_OR_SHORT_CIRCUIT_IRQ = 12,
44 	AIC3X_GPIO2_FUNC_SHORT_CIRCUIT_IRQ	= 13,
45 	AIC3X_GPIO2_FUNC_AGC_NOISE_IRQ		= 14,
46 	AIC3X_GPIO2_FUNC_BUTTON_PRESS_IRQ	= 15
47 };
48 
49 enum aic3x_micbias_voltage {
50 	AIC3X_MICBIAS_OFF = 0,
51 	AIC3X_MICBIAS_2_0V = 1,
52 	AIC3X_MICBIAS_2_5V = 2,
53 	AIC3X_MICBIAS_AVDDV = 3,
54 };
55 
56 struct aic3x_setup_data {
57 	unsigned int gpio_func[2];
58 };
59 
60 struct aic3x_pdata {
61 	int gpio_reset; /* < 0 if not used */
62 	struct aic3x_setup_data *setup;
63 
64 	/* Selects the micbias voltage */
65 	enum aic3x_micbias_voltage micbias_vg;
66 };
67 
68 #endif
69