Root/include/sound/wm8904.h

1/*
2 * Platform data for WM8904
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/* Used to enable configuration of a GPIO to all zeros */
19#define WM8904_GPIO_NO_CONFIG 0x8000
20
21/*
22 * R6 (0x06) - Mic Bias Control 0
23 */
24#define WM8904_MICDET_THR_MASK 0x0070 /* MICDET_THR - [6:4] */
25#define WM8904_MICDET_THR_SHIFT 4 /* MICDET_THR - [6:4] */
26#define WM8904_MICDET_THR_WIDTH 3 /* MICDET_THR - [6:4] */
27#define WM8904_MICSHORT_THR_MASK 0x000C /* MICSHORT_THR - [3:2] */
28#define WM8904_MICSHORT_THR_SHIFT 2 /* MICSHORT_THR - [3:2] */
29#define WM8904_MICSHORT_THR_WIDTH 2 /* MICSHORT_THR - [3:2] */
30#define WM8904_MICDET_ENA 0x0002 /* MICDET_ENA */
31#define WM8904_MICDET_ENA_MASK 0x0002 /* MICDET_ENA */
32#define WM8904_MICDET_ENA_SHIFT 1 /* MICDET_ENA */
33#define WM8904_MICDET_ENA_WIDTH 1 /* MICDET_ENA */
34#define WM8904_MICBIAS_ENA 0x0001 /* MICBIAS_ENA */
35#define WM8904_MICBIAS_ENA_MASK 0x0001 /* MICBIAS_ENA */
36#define WM8904_MICBIAS_ENA_SHIFT 0 /* MICBIAS_ENA */
37#define WM8904_MICBIAS_ENA_WIDTH 1 /* MICBIAS_ENA */
38
39/*
40 * R7 (0x07) - Mic Bias Control 1
41 */
42#define WM8904_MIC_DET_FILTER_ENA 0x8000 /* MIC_DET_FILTER_ENA */
43#define WM8904_MIC_DET_FILTER_ENA_MASK 0x8000 /* MIC_DET_FILTER_ENA */
44#define WM8904_MIC_DET_FILTER_ENA_SHIFT 15 /* MIC_DET_FILTER_ENA */
45#define WM8904_MIC_DET_FILTER_ENA_WIDTH 1 /* MIC_DET_FILTER_ENA */
46#define WM8904_MIC_SHORT_FILTER_ENA 0x4000 /* MIC_SHORT_FILTER_ENA */
47#define WM8904_MIC_SHORT_FILTER_ENA_MASK 0x4000 /* MIC_SHORT_FILTER_ENA */
48#define WM8904_MIC_SHORT_FILTER_ENA_SHIFT 14 /* MIC_SHORT_FILTER_ENA */
49#define WM8904_MIC_SHORT_FILTER_ENA_WIDTH 1 /* MIC_SHORT_FILTER_ENA */
50#define WM8904_MICBIAS_SEL_MASK 0x0007 /* MICBIAS_SEL - [2:0] */
51#define WM8904_MICBIAS_SEL_SHIFT 0 /* MICBIAS_SEL - [2:0] */
52#define WM8904_MICBIAS_SEL_WIDTH 3 /* MICBIAS_SEL - [2:0] */
53
54
55/*
56 * R121 (0x79) - GPIO Control 1
57 */
58#define WM8904_GPIO1_PU 0x0020 /* GPIO1_PU */
59#define WM8904_GPIO1_PU_MASK 0x0020 /* GPIO1_PU */
60#define WM8904_GPIO1_PU_SHIFT 5 /* GPIO1_PU */
61#define WM8904_GPIO1_PU_WIDTH 1 /* GPIO1_PU */
62#define WM8904_GPIO1_PD 0x0010 /* GPIO1_PD */
63#define WM8904_GPIO1_PD_MASK 0x0010 /* GPIO1_PD */
64#define WM8904_GPIO1_PD_SHIFT 4 /* GPIO1_PD */
65#define WM8904_GPIO1_PD_WIDTH 1 /* GPIO1_PD */
66#define WM8904_GPIO1_SEL_MASK 0x000F /* GPIO1_SEL - [3:0] */
67#define WM8904_GPIO1_SEL_SHIFT 0 /* GPIO1_SEL - [3:0] */
68#define WM8904_GPIO1_SEL_WIDTH 4 /* GPIO1_SEL - [3:0] */
69
70/*
71 * R122 (0x7A) - GPIO Control 2
72 */
73#define WM8904_GPIO2_PU 0x0020 /* GPIO2_PU */
74#define WM8904_GPIO2_PU_MASK 0x0020 /* GPIO2_PU */
75#define WM8904_GPIO2_PU_SHIFT 5 /* GPIO2_PU */
76#define WM8904_GPIO2_PU_WIDTH 1 /* GPIO2_PU */
77#define WM8904_GPIO2_PD 0x0010 /* GPIO2_PD */
78#define WM8904_GPIO2_PD_MASK 0x0010 /* GPIO2_PD */
79#define WM8904_GPIO2_PD_SHIFT 4 /* GPIO2_PD */
80#define WM8904_GPIO2_PD_WIDTH 1 /* GPIO2_PD */
81#define WM8904_GPIO2_SEL_MASK 0x000F /* GPIO2_SEL - [3:0] */
82#define WM8904_GPIO2_SEL_SHIFT 0 /* GPIO2_SEL - [3:0] */
83#define WM8904_GPIO2_SEL_WIDTH 4 /* GPIO2_SEL - [3:0] */
84
85/*
86 * R123 (0x7B) - GPIO Control 3
87 */
88#define WM8904_GPIO3_PU 0x0020 /* GPIO3_PU */
89#define WM8904_GPIO3_PU_MASK 0x0020 /* GPIO3_PU */
90#define WM8904_GPIO3_PU_SHIFT 5 /* GPIO3_PU */
91#define WM8904_GPIO3_PU_WIDTH 1 /* GPIO3_PU */
92#define WM8904_GPIO3_PD 0x0010 /* GPIO3_PD */
93#define WM8904_GPIO3_PD_MASK 0x0010 /* GPIO3_PD */
94#define WM8904_GPIO3_PD_SHIFT 4 /* GPIO3_PD */
95#define WM8904_GPIO3_PD_WIDTH 1 /* GPIO3_PD */
96#define WM8904_GPIO3_SEL_MASK 0x000F /* GPIO3_SEL - [3:0] */
97#define WM8904_GPIO3_SEL_SHIFT 0 /* GPIO3_SEL - [3:0] */
98#define WM8904_GPIO3_SEL_WIDTH 4 /* GPIO3_SEL - [3:0] */
99
100/*
101 * R124 (0x7C) - GPIO Control 4
102 */
103#define WM8904_GPI7_ENA 0x0200 /* GPI7_ENA */
104#define WM8904_GPI7_ENA_MASK 0x0200 /* GPI7_ENA */
105#define WM8904_GPI7_ENA_SHIFT 9 /* GPI7_ENA */
106#define WM8904_GPI7_ENA_WIDTH 1 /* GPI7_ENA */
107#define WM8904_GPI8_ENA 0x0100 /* GPI8_ENA */
108#define WM8904_GPI8_ENA_MASK 0x0100 /* GPI8_ENA */
109#define WM8904_GPI8_ENA_SHIFT 8 /* GPI8_ENA */
110#define WM8904_GPI8_ENA_WIDTH 1 /* GPI8_ENA */
111#define WM8904_GPIO_BCLK_MODE_ENA 0x0080 /* GPIO_BCLK_MODE_ENA */
112#define WM8904_GPIO_BCLK_MODE_ENA_MASK 0x0080 /* GPIO_BCLK_MODE_ENA */
113#define WM8904_GPIO_BCLK_MODE_ENA_SHIFT 7 /* GPIO_BCLK_MODE_ENA */
114#define WM8904_GPIO_BCLK_MODE_ENA_WIDTH 1 /* GPIO_BCLK_MODE_ENA */
115#define WM8904_GPIO_BCLK_SEL_MASK 0x000F /* GPIO_BCLK_SEL - [3:0] */
116#define WM8904_GPIO_BCLK_SEL_SHIFT 0 /* GPIO_BCLK_SEL - [3:0] */
117#define WM8904_GPIO_BCLK_SEL_WIDTH 4 /* GPIO_BCLK_SEL - [3:0] */
118
119#define WM8904_MIC_REGS 2
120#define WM8904_GPIO_REGS 4
121#define WM8904_DRC_REGS 4
122#define WM8904_EQ_REGS 25
123
124/**
125 * DRC configurations are specified with a label and a set of register
126 * values to write (the enable bits will be ignored). At runtime an
127 * enumerated control will be presented for each DRC block allowing
128 * the user to choose the configration to use.
129 *
130 * Configurations may be generated by hand or by using the DRC control
131 * panel provided by the WISCE - see http://www.wolfsonmicro.com/wisce/
132 * for details.
133 */
134struct wm8904_drc_cfg {
135    const char *name;
136    u16 regs[WM8904_DRC_REGS];
137};
138
139/**
140 * ReTune Mobile configurations are specified with a label, sample
141 * rate and set of values to write (the enable bits will be ignored).
142 *
143 * Configurations are expected to be generated using the ReTune Mobile
144 * control panel in WISCE - see http://www.wolfsonmicro.com/wisce/
145 */
146struct wm8904_retune_mobile_cfg {
147    const char *name;
148    unsigned int rate;
149    u16 regs[WM8904_EQ_REGS];
150};
151
152struct wm8904_pdata {
153    int num_drc_cfgs;
154    struct wm8904_drc_cfg *drc_cfgs;
155
156    int num_retune_mobile_cfgs;
157    struct wm8904_retune_mobile_cfg *retune_mobile_cfgs;
158
159    u32 gpio_cfg[WM8904_GPIO_REGS];
160    u32 mic_cfg[WM8904_MIC_REGS];
161};
162
163#endif
164

Archive Download this file



interactive