xref: /openbmc/linux/sound/soc/codecs/wm8741.h (revision d2912cb1)
1 /* SPDX-License-Identifier: GPL-2.0-only */
2 /*
3  * wm8741.h  --  WM8423 ASoC driver
4  *
5  * Copyright 2010 Wolfson Microelectronics, plc
6  *
7  * Author: Ian Lartey <ian@opensource.wolfsonmicro.com>
8  *
9  * Based on wm8753.h
10  */
11 
12 #ifndef _WM8741_H
13 #define _WM8741_H
14 
15 /*
16  * Register values.
17  */
18 #define WM8741_DACLLSB_ATTENUATION              0x00
19 #define WM8741_DACLMSB_ATTENUATION              0x01
20 #define WM8741_DACRLSB_ATTENUATION              0x02
21 #define WM8741_DACRMSB_ATTENUATION              0x03
22 #define WM8741_VOLUME_CONTROL                   0x04
23 #define WM8741_FORMAT_CONTROL                   0x05
24 #define WM8741_FILTER_CONTROL                   0x06
25 #define WM8741_MODE_CONTROL_1                   0x07
26 #define WM8741_MODE_CONTROL_2                   0x08
27 #define WM8741_RESET                            0x09
28 #define WM8741_ADDITIONAL_CONTROL_1             0x20
29 
30 #define WM8741_REGISTER_COUNT                   11
31 #define WM8741_MAX_REGISTER                     0x20
32 
33 /*
34  * Field Definitions.
35  */
36 
37 /*
38  * R0 (0x00) - DACLLSB_ATTENUATION
39  */
40 #define WM8741_UPDATELL                         0x0020  /* UPDATELL */
41 #define WM8741_UPDATELL_MASK                    0x0020  /* UPDATELL */
42 #define WM8741_UPDATELL_SHIFT                        5  /* UPDATELL */
43 #define WM8741_UPDATELL_WIDTH                        1  /* UPDATELL */
44 #define WM8741_LAT_4_0_MASK                     0x001F  /* LAT[4:0] - [4:0] */
45 #define WM8741_LAT_4_0_SHIFT                         0  /* LAT[4:0] - [4:0] */
46 #define WM8741_LAT_4_0_WIDTH                         5  /* LAT[4:0] - [4:0] */
47 
48 /*
49  * R1 (0x01) - DACLMSB_ATTENUATION
50  */
51 #define WM8741_UPDATELM                         0x0020  /* UPDATELM */
52 #define WM8741_UPDATELM_MASK                    0x0020  /* UPDATELM */
53 #define WM8741_UPDATELM_SHIFT                        5  /* UPDATELM */
54 #define WM8741_UPDATELM_WIDTH                        1  /* UPDATELM */
55 #define WM8741_LAT_9_5_0_MASK                   0x001F  /* LAT[9:5] - [4:0] */
56 #define WM8741_LAT_9_5_0_SHIFT                       0  /* LAT[9:5] - [4:0] */
57 #define WM8741_LAT_9_5_0_WIDTH                       5  /* LAT[9:5] - [4:0] */
58 
59 /*
60  * R2 (0x02) - DACRLSB_ATTENUATION
61  */
62 #define WM8741_UPDATERL                         0x0020  /* UPDATERL */
63 #define WM8741_UPDATERL_MASK                    0x0020  /* UPDATERL */
64 #define WM8741_UPDATERL_SHIFT                        5  /* UPDATERL */
65 #define WM8741_UPDATERL_WIDTH                        1  /* UPDATERL */
66 #define WM8741_RAT_4_0_MASK                     0x001F  /* RAT[4:0] - [4:0] */
67 #define WM8741_RAT_4_0_SHIFT                         0  /* RAT[4:0] - [4:0] */
68 #define WM8741_RAT_4_0_WIDTH                         5  /* RAT[4:0] - [4:0] */
69 
70 /*
71  * R3 (0x03) - DACRMSB_ATTENUATION
72  */
73 #define WM8741_UPDATERM                         0x0020  /* UPDATERM */
74 #define WM8741_UPDATERM_MASK                    0x0020  /* UPDATERM */
75 #define WM8741_UPDATERM_SHIFT                        5  /* UPDATERM */
76 #define WM8741_UPDATERM_WIDTH                        1  /* UPDATERM */
77 #define WM8741_RAT_9_5_0_MASK                   0x001F  /* RAT[9:5] - [4:0] */
78 #define WM8741_RAT_9_5_0_SHIFT                       0  /* RAT[9:5] - [4:0] */
79 #define WM8741_RAT_9_5_0_WIDTH                       5  /* RAT[9:5] - [4:0] */
80 
81 /*
82  * R4 (0x04) - VOLUME_CONTROL
83  */
84 #define WM8741_AMUTE                            0x0080  /* AMUTE */
85 #define WM8741_AMUTE_MASK                       0x0080  /* AMUTE */
86 #define WM8741_AMUTE_SHIFT                           7  /* AMUTE */
87 #define WM8741_AMUTE_WIDTH                           1  /* AMUTE */
88 #define WM8741_ZFLAG_MASK                       0x0060  /* ZFLAG - [6:5] */
89 #define WM8741_ZFLAG_SHIFT                           5  /* ZFLAG - [6:5] */
90 #define WM8741_ZFLAG_WIDTH                           2  /* ZFLAG - [6:5] */
91 #define WM8741_IZD                              0x0010  /* IZD */
92 #define WM8741_IZD_MASK                         0x0010  /* IZD */
93 #define WM8741_IZD_SHIFT                             4  /* IZD */
94 #define WM8741_IZD_WIDTH                             1  /* IZD */
95 #define WM8741_SOFT                             0x0008  /* SOFT MUTE */
96 #define WM8741_SOFT_MASK                        0x0008  /* SOFT MUTE */
97 #define WM8741_SOFT_SHIFT                            3  /* SOFT MUTE */
98 #define WM8741_SOFT_WIDTH                            1  /* SOFT MUTE */
99 #define WM8741_ATC                              0x0004  /* ATC */
100 #define WM8741_ATC_MASK                         0x0004  /* ATC */
101 #define WM8741_ATC_SHIFT                             2  /* ATC */
102 #define WM8741_ATC_WIDTH                             1  /* ATC */
103 #define WM8741_ATT2DB                           0x0002  /* ATT2DB */
104 #define WM8741_ATT2DB_MASK                      0x0002  /* ATT2DB */
105 #define WM8741_ATT2DB_SHIFT                          1  /* ATT2DB */
106 #define WM8741_ATT2DB_WIDTH                          1  /* ATT2DB */
107 #define WM8741_VOL_RAMP                         0x0001  /* VOL_RAMP */
108 #define WM8741_VOL_RAMP_MASK                    0x0001  /* VOL_RAMP */
109 #define WM8741_VOL_RAMP_SHIFT                        0  /* VOL_RAMP */
110 #define WM8741_VOL_RAMP_WIDTH                        1  /* VOL_RAMP */
111 
112 /*
113  * R5 (0x05) - FORMAT_CONTROL
114  */
115 #define WM8741_PWDN                             0x0080  /* PWDN */
116 #define WM8741_PWDN_MASK                        0x0080  /* PWDN */
117 #define WM8741_PWDN_SHIFT                            7  /* PWDN */
118 #define WM8741_PWDN_WIDTH                            1  /* PWDN */
119 #define WM8741_REV                              0x0040  /* REV */
120 #define WM8741_REV_MASK                         0x0040  /* REV */
121 #define WM8741_REV_SHIFT                             6  /* REV */
122 #define WM8741_REV_WIDTH                             1  /* REV */
123 #define WM8741_BCP                              0x0020  /* BCP */
124 #define WM8741_BCP_MASK                         0x0020  /* BCP */
125 #define WM8741_BCP_SHIFT                             5  /* BCP */
126 #define WM8741_BCP_WIDTH                             1  /* BCP */
127 #define WM8741_LRP                              0x0010  /* LRP */
128 #define WM8741_LRP_MASK                         0x0010  /* LRP */
129 #define WM8741_LRP_SHIFT                             4  /* LRP */
130 #define WM8741_LRP_WIDTH                             1  /* LRP */
131 #define WM8741_FMT_MASK                         0x000C  /* FMT - [3:2] */
132 #define WM8741_FMT_SHIFT                             2  /* FMT - [3:2] */
133 #define WM8741_FMT_WIDTH                             2  /* FMT - [3:2] */
134 #define WM8741_IWL_MASK                         0x0003  /* IWL - [1:0] */
135 #define WM8741_IWL_SHIFT                             0  /* IWL - [1:0] */
136 #define WM8741_IWL_WIDTH                             2  /* IWL - [1:0] */
137 
138 /*
139  * R6 (0x06) - FILTER_CONTROL
140  */
141 #define WM8741_ZFLAG_HI                         0x0080  /* ZFLAG_HI */
142 #define WM8741_ZFLAG_HI_MASK                    0x0080  /* ZFLAG_HI */
143 #define WM8741_ZFLAG_HI_SHIFT                        7  /* ZFLAG_HI */
144 #define WM8741_ZFLAG_HI_WIDTH                        1  /* ZFLAG_HI */
145 #define WM8741_DEEMPH_MASK                      0x0060  /* DEEMPH - [6:5] */
146 #define WM8741_DEEMPH_SHIFT                          5  /* DEEMPH - [6:5] */
147 #define WM8741_DEEMPH_WIDTH                          2  /* DEEMPH - [6:5] */
148 #define WM8741_DSDFILT_MASK                     0x0018  /* DSDFILT - [4:3] */
149 #define WM8741_DSDFILT_SHIFT                         3  /* DSDFILT - [4:3] */
150 #define WM8741_DSDFILT_WIDTH                         2  /* DSDFILT - [4:3] */
151 #define WM8741_FIRSEL_MASK                      0x0007  /* FIRSEL - [2:0] */
152 #define WM8741_FIRSEL_SHIFT                          0  /* FIRSEL - [2:0] */
153 #define WM8741_FIRSEL_WIDTH                          3  /* FIRSEL - [2:0] */
154 
155 /*
156  * R7 (0x07) - MODE_CONTROL_1
157  */
158 #define WM8741_MODE8X                           0x0080  /* MODE8X */
159 #define WM8741_MODE8X_MASK                      0x0080  /* MODE8X */
160 #define WM8741_MODE8X_SHIFT                          7  /* MODE8X */
161 #define WM8741_MODE8X_WIDTH                          1  /* MODE8X */
162 #define WM8741_OSR_MASK                         0x0060  /* OSR - [6:5] */
163 #define WM8741_OSR_SHIFT                             5  /* OSR - [6:5] */
164 #define WM8741_OSR_WIDTH                             2  /* OSR - [6:5] */
165 #define WM8741_SR_MASK                          0x001C  /* SR - [4:2] */
166 #define WM8741_SR_SHIFT                              2  /* SR - [4:2] */
167 #define WM8741_SR_WIDTH                              3  /* SR - [4:2] */
168 #define WM8741_MODESEL_MASK                     0x0003  /* MODESEL - [1:0] */
169 #define WM8741_MODESEL_SHIFT                         0  /* MODESEL - [1:0] */
170 #define WM8741_MODESEL_WIDTH                         2  /* MODESEL - [1:0] */
171 
172 /*
173  * R8 (0x08) - MODE_CONTROL_2
174  */
175 #define WM8741_DSD_GAIN                         0x0040  /* DSD_GAIN */
176 #define WM8741_DSD_GAIN_MASK                    0x0040  /* DSD_GAIN */
177 #define WM8741_DSD_GAIN_SHIFT                        6  /* DSD_GAIN */
178 #define WM8741_DSD_GAIN_WIDTH                        1  /* DSD_GAIN */
179 #define WM8741_SDOUT                            0x0020  /* SDOUT */
180 #define WM8741_SDOUT_MASK                       0x0020  /* SDOUT */
181 #define WM8741_SDOUT_SHIFT                           5  /* SDOUT */
182 #define WM8741_SDOUT_WIDTH                           1  /* SDOUT */
183 #define WM8741_DOUT                             0x0010  /* DOUT */
184 #define WM8741_DOUT_MASK                        0x0010  /* DOUT */
185 #define WM8741_DOUT_SHIFT                            4  /* DOUT */
186 #define WM8741_DOUT_WIDTH                            1  /* DOUT */
187 #define WM8741_DIFF_MASK                        0x000C  /* DIFF - [3:2] */
188 #define WM8741_DIFF_SHIFT                            2  /* DIFF - [3:2] */
189 #define WM8741_DIFF_WIDTH                            2  /* DIFF - [3:2] */
190 #define WM8741_DITHER_MASK                      0x0003  /* DITHER - [1:0] */
191 #define WM8741_DITHER_SHIFT                          0  /* DITHER - [1:0] */
192 #define WM8741_DITHER_WIDTH                          2  /* DITHER - [1:0] */
193 
194 /* DIFF field values */
195 #define WM8741_DIFF_MODE_STEREO                      0  /* stereo normal */
196 #define WM8741_DIFF_MODE_STEREO_REVERSED             2  /* stereo reversed */
197 #define WM8741_DIFF_MODE_MONO_LEFT                   1  /* mono left */
198 #define WM8741_DIFF_MODE_MONO_RIGHT                  3  /* mono right */
199 
200 /*
201  * R32 (0x20) - ADDITONAL_CONTROL_1
202  */
203 #define WM8741_DSD_LEVEL                        0x0002  /* DSD_LEVEL */
204 #define WM8741_DSD_LEVEL_MASK                   0x0002  /* DSD_LEVEL */
205 #define WM8741_DSD_LEVEL_SHIFT                       1  /* DSD_LEVEL */
206 #define WM8741_DSD_LEVEL_WIDTH                       1  /* DSD_LEVEL */
207 #define WM8741_DSD_NO_NOTCH                     0x0001  /* DSD_NO_NOTCH */
208 #define WM8741_DSD_NO_NOTCH_MASK                0x0001  /* DSD_NO_NOTCH */
209 #define WM8741_DSD_NO_NOTCH_SHIFT                    0  /* DSD_NO_NOTCH */
210 #define WM8741_DSD_NO_NOTCH_WIDTH                    1  /* DSD_NO_NOTCH */
211 
212 #define  WM8741_SYSCLK 0
213 
214 struct wm8741_platform_data {
215 	u32 diff_mode;   /* Differential Output Mode */
216 };
217 
218 #endif
219