1 /* SPDX-License-Identifier: GPL-2.0-or-later */
2 #ifndef __SOUND_WM8776_H
3 #define __SOUND_WM8776_H
4
5 /*
6 * ALSA driver for ICEnsemble VT17xx
7 *
8 * Lowlevel functions for WM8776 codec
9 *
10 * Copyright (c) 2012 Ondrej Zary <linux@rainbow-software.org>
11 */
12
13 #define WM8776_REG_HPLVOL 0x00
14 #define WM8776_REG_HPRVOL 0x01
15 #define WM8776_REG_HPMASTER 0x02
16 #define WM8776_HPVOL_MASK 0x17f /* incl. update bit */
17 #define WM8776_VOL_HPZCEN (1 << 7) /* zero cross detect */
18 #define WM8776_VOL_UPDATE (1 << 8) /* update volume */
19 #define WM8776_REG_DACLVOL 0x03
20 #define WM8776_REG_DACRVOL 0x04
21 #define WM8776_REG_DACMASTER 0x05
22 #define WM8776_DACVOL_MASK 0x1ff /* incl. update bit */
23 #define WM8776_REG_PHASESWAP 0x06
24 #define WM8776_PHASE_INVERTL (1 << 0)
25 #define WM8776_PHASE_INVERTR (1 << 1)
26 #define WM8776_REG_DACCTRL1 0x07
27 #define WM8776_DAC_DZCEN (1 << 0)
28 #define WM8776_DAC_ATC (1 << 1)
29 #define WM8776_DAC_IZD (1 << 2)
30 #define WM8776_DAC_TOD (1 << 3)
31 #define WM8776_DAC_PL_MASK 0xf0
32 #define WM8776_DAC_PL_LL (1 << 4) /* L chan: L signal */
33 #define WM8776_DAC_PL_LR (2 << 4) /* L chan: R signal */
34 #define WM8776_DAC_PL_LB (3 << 4) /* L chan: both */
35 #define WM8776_DAC_PL_RL (1 << 6) /* R chan: L signal */
36 #define WM8776_DAC_PL_RR (2 << 6) /* R chan: R signal */
37 #define WM8776_DAC_PL_RB (3 << 6) /* R chan: both */
38 #define WM8776_REG_DACMUTE 0x08
39 #define WM8776_DACMUTE (1 << 0)
40 #define WM8776_REG_DACCTRL2 0x09
41 #define WM8776_DAC2_DEEMPH (1 << 0)
42 #define WM8776_DAC2_ZFLAG_DISABLE (0 << 1)
43 #define WM8776_DAC2_ZFLAG_OWN (1 << 1)
44 #define WM8776_DAC2_ZFLAG_BOTH (2 << 1)
45 #define WM8776_DAC2_ZFLAG_EITHER (3 << 1)
46 #define WM8776_REG_DACIFCTRL 0x0a
47 #define WM8776_FMT_RIGHTJ (0 << 0)
48 #define WM8776_FMT_LEFTJ (1 << 0)
49 #define WM8776_FMT_I2S (2 << 0)
50 #define WM8776_FMT_DSP (3 << 0)
51 #define WM8776_FMT_DSP_LATE (1 << 2) /* in DSP mode */
52 #define WM8776_FMT_LRC_INVERTED (1 << 2) /* in other modes */
53 #define WM8776_FMT_BCLK_INVERTED (1 << 3)
54 #define WM8776_FMT_16BIT (0 << 4)
55 #define WM8776_FMT_20BIT (1 << 4)
56 #define WM8776_FMT_24BIT (2 << 4)
57 #define WM8776_FMT_32BIT (3 << 4)
58 #define WM8776_REG_ADCIFCTRL 0x0b
59 #define WM8776_FMT_ADCMCLK_INVERTED (1 << 6)
60 #define WM8776_FMT_ADCHPD (1 << 8)
61 #define WM8776_REG_MSTRCTRL 0x0c
62 #define WM8776_IF_ADC256FS (2 << 0)
63 #define WM8776_IF_ADC384FS (3 << 0)
64 #define WM8776_IF_ADC512FS (4 << 0)
65 #define WM8776_IF_ADC768FS (5 << 0)
66 #define WM8776_IF_OVERSAMP64 (1 << 3)
67 #define WM8776_IF_DAC128FS (0 << 4)
68 #define WM8776_IF_DAC192FS (1 << 4)
69 #define WM8776_IF_DAC256FS (2 << 4)
70 #define WM8776_IF_DAC384FS (3 << 4)
71 #define WM8776_IF_DAC512FS (4 << 4)
72 #define WM8776_IF_DAC768FS (5 << 4)
73 #define WM8776_IF_DAC_MASTER (1 << 7)
74 #define WM8776_IF_ADC_MASTER (1 << 8)
75 #define WM8776_REG_PWRDOWN 0x0d
76 #define WM8776_PWR_PDWN (1 << 0)
77 #define WM8776_PWR_ADCPD (1 << 1)
78 #define WM8776_PWR_DACPD (1 << 2)
79 #define WM8776_PWR_HPPD (1 << 3)
80 #define WM8776_PWR_AINPD (1 << 6)
81 #define WM8776_REG_ADCLVOL 0x0e
82 #define WM8776_REG_ADCRVOL 0x0f
83 #define WM8776_ADC_GAIN_MASK 0xff
84 #define WM8776_ADC_ZCEN (1 << 8)
85 #define WM8776_REG_ALCCTRL1 0x10
86 #define WM8776_ALC1_LCT_MASK 0x0f /* 0=-16dB, 1=-15dB..15=-1dB */
87 #define WM8776_ALC1_MAXGAIN_MASK 0x70 /* 0,1=0dB, 2=+4dB...7=+24dB */
88 #define WM8776_ALC1_LCSEL_MASK 0x180
89 #define WM8776_ALC1_LCSEL_LIMITER (0 << 7)
90 #define WM8776_ALC1_LCSEL_ALCR (1 << 7)
91 #define WM8776_ALC1_LCSEL_ALCL (2 << 7)
92 #define WM8776_ALC1_LCSEL_ALCSTEREO (3 << 7)
93 #define WM8776_REG_ALCCTRL2 0x11
94 #define WM8776_ALC2_HOLD_MASK 0x0f /*0=0ms, 1=2.67ms, 2=5.33ms.. */
95 #define WM8776_ALC2_ZCEN (1 << 7)
96 #define WM8776_ALC2_LCEN (1 << 8)
97 #define WM8776_REG_ALCCTRL3 0x12
98 #define WM8776_ALC3_ATK_MASK 0x0f
99 #define WM8776_ALC3_DCY_MASK 0xf0
100 #define WM8776_ALC3_FDECAY (1 << 8)
101 #define WM8776_REG_NOISEGATE 0x13
102 #define WM8776_NGAT_ENABLE (1 << 0)
103 #define WM8776_NGAT_THR_MASK 0x1c /*0=-78dB, 1=-72dB...7=-36dB */
104 #define WM8776_REG_LIMITER 0x14
105 #define WM8776_LIM_MAXATTEN_MASK 0x0f
106 #define WM8776_LIM_TRANWIN_MASK 0x70 /*0=0us, 1=62.5us, 2=125us.. */
107 #define WM8776_REG_ADCMUX 0x15
108 #define WM8776_ADC_MUX_AIN1 (1 << 0)
109 #define WM8776_ADC_MUX_AIN2 (1 << 1)
110 #define WM8776_ADC_MUX_AIN3 (1 << 2)
111 #define WM8776_ADC_MUX_AIN4 (1 << 3)
112 #define WM8776_ADC_MUX_AIN5 (1 << 4)
113 #define WM8776_ADC_MUTER (1 << 6)
114 #define WM8776_ADC_MUTEL (1 << 7)
115 #define WM8776_ADC_LRBOTH (1 << 8)
116 #define WM8776_REG_OUTMUX 0x16
117 #define WM8776_OUTMUX_DAC (1 << 0)
118 #define WM8776_OUTMUX_AUX (1 << 1)
119 #define WM8776_OUTMUX_BYPASS (1 << 2)
120 #define WM8776_REG_RESET 0x17
121
122 #define WM8776_REG_COUNT 0x17 /* don't cache the RESET register */
123
124 struct snd_wm8776;
125
126 struct snd_wm8776_ops {
127 void (*write)(struct snd_wm8776 *wm, u8 addr, u8 data);
128 };
129
130 enum snd_wm8776_ctl_id {
131 WM8776_CTL_DAC_VOL,
132 WM8776_CTL_DAC_SW,
133 WM8776_CTL_DAC_ZC_SW,
134 WM8776_CTL_HP_VOL,
135 WM8776_CTL_HP_SW,
136 WM8776_CTL_HP_ZC_SW,
137 WM8776_CTL_AUX_SW,
138 WM8776_CTL_BYPASS_SW,
139 WM8776_CTL_DAC_IZD_SW,
140 WM8776_CTL_PHASE_SW,
141 WM8776_CTL_DEEMPH_SW,
142 WM8776_CTL_ADC_VOL,
143 WM8776_CTL_ADC_SW,
144 WM8776_CTL_INPUT1_SW,
145 WM8776_CTL_INPUT2_SW,
146 WM8776_CTL_INPUT3_SW,
147 WM8776_CTL_INPUT4_SW,
148 WM8776_CTL_INPUT5_SW,
149 WM8776_CTL_AGC_SEL,
150 WM8776_CTL_LIM_THR,
151 WM8776_CTL_LIM_ATK,
152 WM8776_CTL_LIM_DCY,
153 WM8776_CTL_LIM_TRANWIN,
154 WM8776_CTL_LIM_MAXATTN,
155 WM8776_CTL_ALC_TGT,
156 WM8776_CTL_ALC_ATK,
157 WM8776_CTL_ALC_DCY,
158 WM8776_CTL_ALC_MAXGAIN,
159 WM8776_CTL_ALC_MAXATTN,
160 WM8776_CTL_ALC_HLD,
161 WM8776_CTL_NGT_SW,
162 WM8776_CTL_NGT_THR,
163
164 WM8776_CTL_COUNT,
165 };
166
167 #define WM8776_ENUM_MAX 16
168
169 #define WM8776_FLAG_STEREO (1 << 0)
170 #define WM8776_FLAG_VOL_UPDATE (1 << 1)
171 #define WM8776_FLAG_INVERT (1 << 2)
172 #define WM8776_FLAG_LIM (1 << 3)
173 #define WM8776_FLAG_ALC (1 << 4)
174
175 struct snd_wm8776_ctl {
176 const char *name;
177 snd_ctl_elem_type_t type;
178 const char *const enum_names[WM8776_ENUM_MAX];
179 const unsigned int *tlv;
180 u16 reg1, reg2, mask1, mask2, min, max, flags;
181 void (*set)(struct snd_wm8776 *wm, u16 ch1, u16 ch2);
182 void (*get)(struct snd_wm8776 *wm, u16 *ch1, u16 *ch2);
183 };
184
185 enum snd_wm8776_agc_mode {
186 WM8776_AGC_OFF,
187 WM8776_AGC_LIM,
188 WM8776_AGC_ALC_R,
189 WM8776_AGC_ALC_L,
190 WM8776_AGC_ALC_STEREO
191 };
192
193 struct snd_wm8776 {
194 struct snd_card *card;
195 struct snd_wm8776_ctl ctl[WM8776_CTL_COUNT];
196 enum snd_wm8776_agc_mode agc_mode;
197 struct snd_wm8776_ops ops;
198 u16 regs[WM8776_REG_COUNT]; /* 9-bit registers */
199 };
200
201
202
203 void snd_wm8776_init(struct snd_wm8776 *wm);
204 void snd_wm8776_resume(struct snd_wm8776 *wm);
205 void snd_wm8776_set_power(struct snd_wm8776 *wm, u16 power);
206 void snd_wm8776_volume_restore(struct snd_wm8776 *wm);
207 int snd_wm8776_build_controls(struct snd_wm8776 *wm);
208
209 #endif /* __SOUND_WM8776_H */
210
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