xref: /openbmc/linux/include/sound/wm8904.h (revision 37744fee)
1 /* SPDX-License-Identifier: GPL-2.0-or-later */
2 /*
3  * Platform data for WM8904
4  *
5  * Copyright 2009 Wolfson Microelectronics PLC.
6  *
7  * Author: Mark Brown <broonie@opensource.wolfsonmicro.com>
8  */
9 
10 #ifndef __MFD_WM8994_PDATA_H__
11 #define __MFD_WM8994_PDATA_H__
12 
13 /* Used to enable configuration of a GPIO to all zeros */
14 #define WM8904_GPIO_NO_CONFIG 0x8000
15 
16 /*
17  * R6 (0x06) - Mic Bias Control 0
18  */
19 #define WM8904_MICDET_THR_MASK                  0x0070  /* MICDET_THR - [6:4] */
20 #define WM8904_MICDET_THR_SHIFT                      4  /* MICDET_THR - [6:4] */
21 #define WM8904_MICDET_THR_WIDTH                      3  /* MICDET_THR - [6:4] */
22 #define WM8904_MICSHORT_THR_MASK                0x000C  /* MICSHORT_THR - [3:2] */
23 #define WM8904_MICSHORT_THR_SHIFT                    2  /* MICSHORT_THR - [3:2] */
24 #define WM8904_MICSHORT_THR_WIDTH                    2  /* MICSHORT_THR - [3:2] */
25 #define WM8904_MICDET_ENA                       0x0002  /* MICDET_ENA */
26 #define WM8904_MICDET_ENA_MASK                  0x0002  /* MICDET_ENA */
27 #define WM8904_MICDET_ENA_SHIFT                      1  /* MICDET_ENA */
28 #define WM8904_MICDET_ENA_WIDTH                      1  /* MICDET_ENA */
29 #define WM8904_MICBIAS_ENA                      0x0001  /* MICBIAS_ENA */
30 #define WM8904_MICBIAS_ENA_MASK                 0x0001  /* MICBIAS_ENA */
31 #define WM8904_MICBIAS_ENA_SHIFT                     0  /* MICBIAS_ENA */
32 #define WM8904_MICBIAS_ENA_WIDTH                     1  /* MICBIAS_ENA */
33 
34 /*
35  * R7 (0x07) - Mic Bias Control 1
36  */
37 #define WM8904_MIC_DET_FILTER_ENA               0x8000  /* MIC_DET_FILTER_ENA */
38 #define WM8904_MIC_DET_FILTER_ENA_MASK          0x8000  /* MIC_DET_FILTER_ENA */
39 #define WM8904_MIC_DET_FILTER_ENA_SHIFT             15  /* MIC_DET_FILTER_ENA */
40 #define WM8904_MIC_DET_FILTER_ENA_WIDTH              1  /* MIC_DET_FILTER_ENA */
41 #define WM8904_MIC_SHORT_FILTER_ENA             0x4000  /* MIC_SHORT_FILTER_ENA */
42 #define WM8904_MIC_SHORT_FILTER_ENA_MASK        0x4000  /* MIC_SHORT_FILTER_ENA */
43 #define WM8904_MIC_SHORT_FILTER_ENA_SHIFT           14  /* MIC_SHORT_FILTER_ENA */
44 #define WM8904_MIC_SHORT_FILTER_ENA_WIDTH            1  /* MIC_SHORT_FILTER_ENA */
45 #define WM8904_MICBIAS_SEL_MASK                 0x0007  /* MICBIAS_SEL - [2:0] */
46 #define WM8904_MICBIAS_SEL_SHIFT                     0  /* MICBIAS_SEL - [2:0] */
47 #define WM8904_MICBIAS_SEL_WIDTH                     3  /* MICBIAS_SEL - [2:0] */
48 
49 
50 /*
51  * R121 (0x79) - GPIO Control 1
52  */
53 #define WM8904_GPIO1_PU                         0x0020  /* GPIO1_PU */
54 #define WM8904_GPIO1_PU_MASK                    0x0020  /* GPIO1_PU */
55 #define WM8904_GPIO1_PU_SHIFT                        5  /* GPIO1_PU */
56 #define WM8904_GPIO1_PU_WIDTH                        1  /* GPIO1_PU */
57 #define WM8904_GPIO1_PD                         0x0010  /* GPIO1_PD */
58 #define WM8904_GPIO1_PD_MASK                    0x0010  /* GPIO1_PD */
59 #define WM8904_GPIO1_PD_SHIFT                        4  /* GPIO1_PD */
60 #define WM8904_GPIO1_PD_WIDTH                        1  /* GPIO1_PD */
61 #define WM8904_GPIO1_SEL_MASK                   0x000F  /* GPIO1_SEL - [3:0] */
62 #define WM8904_GPIO1_SEL_SHIFT                       0  /* GPIO1_SEL - [3:0] */
63 #define WM8904_GPIO1_SEL_WIDTH                       4  /* GPIO1_SEL - [3:0] */
64 
65 /*
66  * R122 (0x7A) - GPIO Control 2
67  */
68 #define WM8904_GPIO2_PU                         0x0020  /* GPIO2_PU */
69 #define WM8904_GPIO2_PU_MASK                    0x0020  /* GPIO2_PU */
70 #define WM8904_GPIO2_PU_SHIFT                        5  /* GPIO2_PU */
71 #define WM8904_GPIO2_PU_WIDTH                        1  /* GPIO2_PU */
72 #define WM8904_GPIO2_PD                         0x0010  /* GPIO2_PD */
73 #define WM8904_GPIO2_PD_MASK                    0x0010  /* GPIO2_PD */
74 #define WM8904_GPIO2_PD_SHIFT                        4  /* GPIO2_PD */
75 #define WM8904_GPIO2_PD_WIDTH                        1  /* GPIO2_PD */
76 #define WM8904_GPIO2_SEL_MASK                   0x000F  /* GPIO2_SEL - [3:0] */
77 #define WM8904_GPIO2_SEL_SHIFT                       0  /* GPIO2_SEL - [3:0] */
78 #define WM8904_GPIO2_SEL_WIDTH                       4  /* GPIO2_SEL - [3:0] */
79 
80 /*
81  * R123 (0x7B) - GPIO Control 3
82  */
83 #define WM8904_GPIO3_PU                         0x0020  /* GPIO3_PU */
84 #define WM8904_GPIO3_PU_MASK                    0x0020  /* GPIO3_PU */
85 #define WM8904_GPIO3_PU_SHIFT                        5  /* GPIO3_PU */
86 #define WM8904_GPIO3_PU_WIDTH                        1  /* GPIO3_PU */
87 #define WM8904_GPIO3_PD                         0x0010  /* GPIO3_PD */
88 #define WM8904_GPIO3_PD_MASK                    0x0010  /* GPIO3_PD */
89 #define WM8904_GPIO3_PD_SHIFT                        4  /* GPIO3_PD */
90 #define WM8904_GPIO3_PD_WIDTH                        1  /* GPIO3_PD */
91 #define WM8904_GPIO3_SEL_MASK                   0x000F  /* GPIO3_SEL - [3:0] */
92 #define WM8904_GPIO3_SEL_SHIFT                       0  /* GPIO3_SEL - [3:0] */
93 #define WM8904_GPIO3_SEL_WIDTH                       4  /* GPIO3_SEL - [3:0] */
94 
95 /*
96  * R124 (0x7C) - GPIO Control 4
97  */
98 #define WM8904_GPI7_ENA                         0x0200  /* GPI7_ENA */
99 #define WM8904_GPI7_ENA_MASK                    0x0200  /* GPI7_ENA */
100 #define WM8904_GPI7_ENA_SHIFT                        9  /* GPI7_ENA */
101 #define WM8904_GPI7_ENA_WIDTH                        1  /* GPI7_ENA */
102 #define WM8904_GPI8_ENA                         0x0100  /* GPI8_ENA */
103 #define WM8904_GPI8_ENA_MASK                    0x0100  /* GPI8_ENA */
104 #define WM8904_GPI8_ENA_SHIFT                        8  /* GPI8_ENA */
105 #define WM8904_GPI8_ENA_WIDTH                        1  /* GPI8_ENA */
106 #define WM8904_GPIO_BCLK_MODE_ENA               0x0080  /* GPIO_BCLK_MODE_ENA */
107 #define WM8904_GPIO_BCLK_MODE_ENA_MASK          0x0080  /* GPIO_BCLK_MODE_ENA */
108 #define WM8904_GPIO_BCLK_MODE_ENA_SHIFT              7  /* GPIO_BCLK_MODE_ENA */
109 #define WM8904_GPIO_BCLK_MODE_ENA_WIDTH              1  /* GPIO_BCLK_MODE_ENA */
110 #define WM8904_GPIO_BCLK_SEL_MASK               0x000F  /* GPIO_BCLK_SEL - [3:0] */
111 #define WM8904_GPIO_BCLK_SEL_SHIFT                   0  /* GPIO_BCLK_SEL - [3:0] */
112 #define WM8904_GPIO_BCLK_SEL_WIDTH                   4  /* GPIO_BCLK_SEL - [3:0] */
113 
114 #define WM8904_MIC_REGS  2
115 #define WM8904_GPIO_REGS 4
116 #define WM8904_DRC_REGS  4
117 #define WM8904_EQ_REGS   24
118 
119 /**
120  * DRC configurations are specified with a label and a set of register
121  * values to write (the enable bits will be ignored).  At runtime an
122  * enumerated control will be presented for each DRC block allowing
123  * the user to choose the configuration to use.
124  *
125  * Configurations may be generated by hand or by using the DRC control
126  * panel provided by the WISCE - see  http://www.wolfsonmicro.com/wisce/
127  * for details.
128  */
129 struct wm8904_drc_cfg {
130 	const char *name;
131 	u16 regs[WM8904_DRC_REGS];
132 };
133 
134 /**
135  * ReTune Mobile configurations are specified with a label, sample
136  * rate and set of values to write (the enable bits will be ignored).
137  *
138  * Configurations are expected to be generated using the ReTune Mobile
139  * control panel in WISCE - see http://www.wolfsonmicro.com/wisce/
140  */
141 struct wm8904_retune_mobile_cfg {
142 	const char *name;
143 	unsigned int rate;
144 	u16 regs[WM8904_EQ_REGS];
145 };
146 
147 struct wm8904_pdata {
148 	int num_drc_cfgs;
149 	struct wm8904_drc_cfg *drc_cfgs;
150 
151 	int num_retune_mobile_cfgs;
152 	struct wm8904_retune_mobile_cfg *retune_mobile_cfgs;
153 
154 	u32 gpio_cfg[WM8904_GPIO_REGS];
155 	u32 mic_cfg[WM8904_MIC_REGS];
156 };
157 
158 #endif
159