1 /*
2  * include/linux/mfd/wm8994/pdata.h -- Platform data for WM8994
3  *
4  * Copyright 2009 Wolfson Microelectronics PLC.
5  *
6  * Author: Mark Brown <broonie@opensource.wolfsonmicro.com>
7  *
8  *  This program is free software; you can redistribute  it and/or modify it
9  *  under  the terms of  the GNU General  Public License as published by the
10  *  Free Software Foundation;  either version 2 of the  License, or (at your
11  *  option) any later version.
12  *
13  */
14 
15 #ifndef __MFD_WM8994_PDATA_H__
16 #define __MFD_WM8994_PDATA_H__
17 
18 #define WM8994_NUM_LDO   2
19 #define WM8994_NUM_GPIO 11
20 
21 struct wm8994_ldo_pdata {
22 	/** GPIOs to enable regulator, 0 or less if not available */
23 	int enable;
24 
25 	const char *supply;
26 	struct regulator_init_data *init_data;
27 };
28 
29 #define WM8994_CONFIGURE_GPIO 0x8000
30 
31 #define WM8994_DRC_REGS 5
32 #define WM8994_EQ_REGS  20
33 #define WM8958_MBC_CUTOFF_REGS 20
34 #define WM8958_MBC_COEFF_REGS  48
35 
36 /**
37  * DRC configurations are specified with a label and a set of register
38  * values to write (the enable bits will be ignored).  At runtime an
39  * enumerated control will be presented for each DRC block allowing
40  * the user to choose the configration to use.
41  *
42  * Configurations may be generated by hand or by using the DRC control
43  * panel provided by the WISCE - see  http://www.wolfsonmicro.com/wisce/
44  * for details.
45  */
46 struct wm8994_drc_cfg {
47         const char *name;
48         u16 regs[WM8994_DRC_REGS];
49 };
50 
51 /**
52  * ReTune Mobile configurations are specified with a label, sample
53  * rate and set of values to write (the enable bits will be ignored).
54  *
55  * Configurations are expected to be generated using the ReTune Mobile
56  * control panel in WISCE - see http://www.wolfsonmicro.com/wisce/
57  */
58 struct wm8994_retune_mobile_cfg {
59         const char *name;
60         unsigned int rate;
61         u16 regs[WM8994_EQ_REGS];
62 };
63 
64 /**
65  * Multiband compressor configurations are specified with a label and
66  * two sets of values to write.  Configurations are expected to be
67  * generated using the multiband compressor configuration panel in
68  * WISCE - see http://www.wolfsonmicro.com/wisce/
69  */
70 struct wm8958_mbc_cfg {
71 	const char *name;
72 	u16 cutoff_regs[WM8958_MBC_CUTOFF_REGS];
73 	u16 coeff_regs[WM8958_MBC_COEFF_REGS];
74 };
75 
76 struct wm8994_pdata {
77 	int gpio_base;
78 
79 	/**
80 	 * Default values for GPIOs if non-zero, WM8994_CONFIGURE_GPIO
81 	 * can be used for all zero values.
82 	 */
83 	int gpio_defaults[WM8994_NUM_GPIO];
84 
85 	struct wm8994_ldo_pdata ldo[WM8994_NUM_LDO];
86 
87 	int irq_base;  /** Base IRQ number for WM8994, required for IRQs */
88 
89         int num_drc_cfgs;
90         struct wm8994_drc_cfg *drc_cfgs;
91 
92         int num_retune_mobile_cfgs;
93         struct wm8994_retune_mobile_cfg *retune_mobile_cfgs;
94 
95 	int num_mbc_cfgs;
96 	struct wm8958_mbc_cfg *mbc_cfgs;
97 
98         /* LINEOUT can be differential or single ended */
99         unsigned int lineout1_diff:1;
100         unsigned int lineout2_diff:1;
101 
102         /* Common mode feedback */
103         unsigned int lineout1fb:1;
104         unsigned int lineout2fb:1;
105 
106 	/* IRQ for microphone detection if brought out directly as a
107 	 * signal.
108 	 */
109 	int micdet_irq;
110 
111         /* WM8994 microphone biases: 0=0.9*AVDD1 1=0.65*AVVD1 */
112         unsigned int micbias1_lvl:1;
113         unsigned int micbias2_lvl:1;
114 
115         /* WM8994 jack detect threashold levels, see datasheet for values */
116         unsigned int jd_scthr:2;
117         unsigned int jd_thr:2;
118 
119 	/* WM8958 microphone bias configuration */
120 	int micbias[2];
121 };
122 
123 #endif
124