1 /* SPDX-License-Identifier: GPL-2.0-or-later */
2 /*
3 * include/linux/mfd/wm8994/pdata.h -- Platform data for WM8994
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 #define WM8994_NUM_LDO 2
14 #define WM8994_NUM_GPIO 11
15 #define WM8994_NUM_AIF 3
16
17 struct wm8994_ldo_pdata {
18 const struct regulator_init_data *init_data;
19 };
20
21 #define WM8994_CONFIGURE_GPIO 0x10000
22
23 #define WM8994_DRC_REGS 5
24 #define WM8994_EQ_REGS 20
25 #define WM8958_MBC_CUTOFF_REGS 20
26 #define WM8958_MBC_COEFF_REGS 48
27 #define WM8958_MBC_COMBINED_REGS 56
28 #define WM8958_VSS_HPF_REGS 2
29 #define WM8958_VSS_REGS 148
30 #define WM8958_ENH_EQ_REGS 32
31
32 /**
33 * DRC configurations are specified with a label and a set of register
34 * values to write (the enable bits will be ignored). At runtime an
35 * enumerated control will be presented for each DRC block allowing
36 * the user to choose the configuration to use.
37 *
38 * Configurations may be generated by hand or by using the DRC control
39 * panel provided by the WISCE - see http://www.wolfsonmicro.com/wisce/
40 * for details.
41 */
42 struct wm8994_drc_cfg {
43 const char *name;
44 u16 regs[WM8994_DRC_REGS];
45 };
46
47 /**
48 * ReTune Mobile configurations are specified with a label, sample
49 * rate and set of values to write (the enable bits will be ignored).
50 *
51 * Configurations are expected to be generated using the ReTune Mobile
52 * control panel in WISCE - see http://www.wolfsonmicro.com/wisce/
53 */
54 struct wm8994_retune_mobile_cfg {
55 const char *name;
56 unsigned int rate;
57 u16 regs[WM8994_EQ_REGS];
58 };
59
60 /**
61 * Multiband compressor configurations are specified with a label and
62 * two sets of values to write. Configurations are expected to be
63 * generated using the multiband compressor configuration panel in
64 * WISCE - see http://www.wolfsonmicro.com/wisce/
65 */
66 struct wm8958_mbc_cfg {
67 const char *name;
68 u16 cutoff_regs[WM8958_MBC_CUTOFF_REGS];
69 u16 coeff_regs[WM8958_MBC_COEFF_REGS];
70
71 /* Coefficient layout when using MBC+VSS firmware */
72 u16 combined_regs[WM8958_MBC_COMBINED_REGS];
73 };
74
75 /**
76 * VSS HPF configurations are specified with a label and two values to
77 * write. Configurations are expected to be generated using the
78 * multiband compressor configuration panel in WISCE - see
79 * http://www.wolfsonmicro.com/wisce/
80 */
81 struct wm8958_vss_hpf_cfg {
82 const char *name;
83 u16 regs[WM8958_VSS_HPF_REGS];
84 };
85
86 /**
87 * VSS configurations are specified with a label and array of values
88 * to write. Configurations are expected to be generated using the
89 * multiband compressor configuration panel in WISCE - see
90 * http://www.wolfsonmicro.com/wisce/
91 */
92 struct wm8958_vss_cfg {
93 const char *name;
94 u16 regs[WM8958_VSS_REGS];
95 };
96
97 /**
98 * Enhanced EQ configurations are specified with a label and array of
99 * values to write. Configurations are expected to be generated using
100 * the multiband compressor configuration panel in WISCE - see
101 * http://www.wolfsonmicro.com/wisce/
102 */
103 struct wm8958_enh_eq_cfg {
104 const char *name;
105 u16 regs[WM8958_ENH_EQ_REGS];
106 };
107
108 /**
109 * Microphone detection rates, used to tune response rates and power
110 * consumption for WM8958/WM1811 microphone detection.
111 *
112 * @sysclk: System clock rate to use this configuration for.
113 * @idle: True if this configuration should use when no accessory is detected,
114 * false otherwise.
115 * @start: Value for MICD_BIAS_START_TIME register field (not shifted).
116 * @rate: Value for MICD_RATE register field (not shifted).
117 */
118 struct wm8958_micd_rate {
119 int sysclk;
120 bool idle;
121 int start;
122 int rate;
123 };
124
125 struct wm8994_pdata {
126 int gpio_base;
127
128 /**
129 * Default values for GPIOs if non-zero, WM8994_CONFIGURE_GPIO
130 * can be used for all zero values.
131 */
132 int gpio_defaults[WM8994_NUM_GPIO];
133
134 struct wm8994_ldo_pdata ldo[WM8994_NUM_LDO];
135
136 int irq_base; /** Base IRQ number for WM8994, required for IRQs */
137 unsigned long irq_flags; /** user irq flags */
138
139 int num_drc_cfgs;
140 struct wm8994_drc_cfg *drc_cfgs;
141
142 int num_retune_mobile_cfgs;
143 struct wm8994_retune_mobile_cfg *retune_mobile_cfgs;
144
145 int num_mbc_cfgs;
146 struct wm8958_mbc_cfg *mbc_cfgs;
147
148 int num_vss_cfgs;
149 struct wm8958_vss_cfg *vss_cfgs;
150
151 int num_vss_hpf_cfgs;
152 struct wm8958_vss_hpf_cfg *vss_hpf_cfgs;
153
154 int num_enh_eq_cfgs;
155 struct wm8958_enh_eq_cfg *enh_eq_cfgs;
156
157 int num_micd_rates;
158 struct wm8958_micd_rate *micd_rates;
159
160 /* Power up delays to add after microphone bias power up (ms) */
161 int micb1_delay;
162 int micb2_delay;
163
164 /* LINEOUT can be differential or single ended */
165 unsigned int lineout1_diff:1;
166 unsigned int lineout2_diff:1;
167
168 /* Common mode feedback */
169 unsigned int lineout1fb:1;
170 unsigned int lineout2fb:1;
171
172 /* Delay between detecting a jack and starting microphone
173 * detect (specified in ms)
174 */
175 int micdet_delay;
176
177 /* Delay between microphone detect completing and reporting on
178 * insert (specified in ms)
179 */
180 int mic_id_delay;
181
182 /* IRQ for microphone detection if brought out directly as a
183 * signal.
184 */
185 int micdet_irq;
186
187 /* WM8994 microphone biases: 0=0.9*AVDD1 1=0.65*AVVD1 */
188 unsigned int micbias1_lvl:1;
189 unsigned int micbias2_lvl:1;
190
191 /* WM8994 jack detect threashold levels, see datasheet for values */
192 unsigned int jd_scthr:2;
193 unsigned int jd_thr:2;
194
195 /* Configure WM1811 jack detection for use with external capacitor */
196 unsigned int jd_ext_cap:1;
197
198 /* WM8958 microphone bias configuration */
199 int micbias[2];
200
201 /* WM8958 microphone detection ranges */
202 u16 micd_lvl_sel;
203
204 /* Disable the internal pull downs on the LDOs if they are
205 * always driven (eg, connected to an always on supply or
206 * GPIO that always drives an output. If they float power
207 * consumption will rise.
208 */
209 bool ldo_ena_always_driven;
210
211 /*
212 * SPKMODE must be pulled internally by the device on this
213 * system.
214 */
215 bool spkmode_pu;
216
217 /*
218 * CS/ADDR must be pulled internally by the device on this
219 * system.
220 */
221 bool csnaddr_pd;
222
223 /**
224 * Maximum number of channels clocks will be generated for,
225 * useful for systems where and I2S bus with multiple data
226 * lines is mastered.
227 */
228 int max_channels_clocked[WM8994_NUM_AIF];
229
230 /**
231 * GPIO for the IRQ pin if host only supports edge triggering
232 */
233 int irq_gpio;
234 };
235
236 #endif
237
Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.