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Ondrej Zarybfe514272012-10-14 21:09:21 +02001#ifndef __SOUND_WM8776_H
2#define __SOUND_WM8776_H
3
4/*
5 * ALSA driver for ICEnsemble VT17xx
6 *
7 * Lowlevel functions for WM8776 codec
8 *
9 * Copyright (c) 2012 Ondrej Zary <linux@rainbow-software.org>
10 *
11 * This program is free software; you can redistribute it and/or modify
12 * it under the terms of the GNU General Public License as published by
13 * the Free Software Foundation; either version 2 of the License, or
14 * (at your option) any later version.
15 *
16 * This program is distributed in the hope that it will be useful,
17 * but WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 * GNU General Public License for more details.
20 *
21 * You should have received a copy of the GNU General Public License
22 * along with this program; if not, write to the Free Software
23 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
24 *
25 */
26
27#define WM8776_REG_HPLVOL 0x00
28#define WM8776_REG_HPRVOL 0x01
29#define WM8776_REG_HPMASTER 0x02
30#define WM8776_HPVOL_MASK 0x17f /* incl. update bit */
31#define WM8776_VOL_HPZCEN (1 << 7) /* zero cross detect */
32#define WM8776_VOL_UPDATE (1 << 8) /* update volume */
33#define WM8776_REG_DACLVOL 0x03
34#define WM8776_REG_DACRVOL 0x04
35#define WM8776_REG_DACMASTER 0x05
36#define WM8776_DACVOL_MASK 0x1ff /* incl. update bit */
37#define WM8776_REG_PHASESWAP 0x06
38#define WM8776_PHASE_INVERTL (1 << 0)
39#define WM8776_PHASE_INVERTR (1 << 1)
40#define WM8776_REG_DACCTRL1 0x07
41#define WM8776_DAC_DZCEN (1 << 0)
42#define WM8776_DAC_ATC (1 << 1)
43#define WM8776_DAC_IZD (1 << 2)
44#define WM8776_DAC_TOD (1 << 3)
45#define WM8776_DAC_PL_MASK 0xf0
46#define WM8776_DAC_PL_LL (1 << 4) /* L chan: L signal */
47#define WM8776_DAC_PL_LR (2 << 4) /* L chan: R signal */
48#define WM8776_DAC_PL_LB (3 << 4) /* L chan: both */
49#define WM8776_DAC_PL_RL (1 << 6) /* R chan: L signal */
50#define WM8776_DAC_PL_RR (2 << 6) /* R chan: R signal */
51#define WM8776_DAC_PL_RB (3 << 6) /* R chan: both */
52#define WM8776_REG_DACMUTE 0x08
53#define WM8776_DACMUTE (1 << 0)
54#define WM8776_REG_DACCTRL2 0x09
55#define WM8776_DAC2_DEEMPH (1 << 0)
56#define WM8776_DAC2_ZFLAG_DISABLE (0 << 1)
57#define WM8776_DAC2_ZFLAG_OWN (1 << 1)
58#define WM8776_DAC2_ZFLAG_BOTH (2 << 1)
59#define WM8776_DAC2_ZFLAG_EITHER (3 << 1)
60#define WM8776_REG_DACIFCTRL 0x0a
61#define WM8776_FMT_RIGHTJ (0 << 0)
62#define WM8776_FMT_LEFTJ (1 << 0)
63#define WM8776_FMT_I2S (2 << 0)
64#define WM8776_FMT_DSP (3 << 0)
65#define WM8776_FMT_DSP_LATE (1 << 2) /* in DSP mode */
66#define WM8776_FMT_LRC_INVERTED (1 << 2) /* in other modes */
67#define WM8776_FMT_BCLK_INVERTED (1 << 3)
68#define WM8776_FMT_16BIT (0 << 4)
69#define WM8776_FMT_20BIT (1 << 4)
70#define WM8776_FMT_24BIT (2 << 4)
71#define WM8776_FMT_32BIT (3 << 4)
72#define WM8776_REG_ADCIFCTRL 0x0b
73#define WM8776_FMT_ADCMCLK_INVERTED (1 << 6)
74#define WM8776_FMT_ADCHPD (1 << 8)
75#define WM8776_REG_MSTRCTRL 0x0c
76#define WM8776_IF_ADC256FS (2 << 0)
77#define WM8776_IF_ADC384FS (3 << 0)
78#define WM8776_IF_ADC512FS (4 << 0)
79#define WM8776_IF_ADC768FS (5 << 0)
80#define WM8776_IF_OVERSAMP64 (1 << 3)
81#define WM8776_IF_DAC128FS (0 << 4)
82#define WM8776_IF_DAC192FS (1 << 4)
83#define WM8776_IF_DAC256FS (2 << 4)
84#define WM8776_IF_DAC384FS (3 << 4)
85#define WM8776_IF_DAC512FS (4 << 4)
86#define WM8776_IF_DAC768FS (5 << 4)
87#define WM8776_IF_DAC_MASTER (1 << 7)
88#define WM8776_IF_ADC_MASTER (1 << 8)
89#define WM8776_REG_PWRDOWN 0x0d
90#define WM8776_PWR_PDWN (1 << 0)
91#define WM8776_PWR_ADCPD (1 << 1)
92#define WM8776_PWR_DACPD (1 << 2)
93#define WM8776_PWR_HPPD (1 << 3)
94#define WM8776_PWR_AINPD (1 << 6)
95#define WM8776_REG_ADCLVOL 0x0e
96#define WM8776_REG_ADCRVOL 0x0f
97#define WM8776_ADC_GAIN_MASK 0xff
98#define WM8776_ADC_ZCEN (1 << 8)
99#define WM8776_REG_ALCCTRL1 0x10
100#define WM8776_ALC1_LCT_MASK 0x0f /* 0=-16dB, 1=-15dB..15=-1dB */
101#define WM8776_ALC1_MAXGAIN_MASK 0x70 /* 0,1=0dB, 2=+4dB...7=+24dB */
102#define WM8776_ALC1_LCSEL_MASK 0x180
103#define WM8776_ALC1_LCSEL_LIMITER (0 << 7)
104#define WM8776_ALC1_LCSEL_ALCR (1 << 7)
105#define WM8776_ALC1_LCSEL_ALCL (2 << 7)
106#define WM8776_ALC1_LCSEL_ALCSTEREO (3 << 7)
107#define WM8776_REG_ALCCTRL2 0x11
108#define WM8776_ALC2_HOLD_MASK 0x0f /*0=0ms, 1=2.67ms, 2=5.33ms.. */
109#define WM8776_ALC2_ZCEN (1 << 7)
110#define WM8776_ALC2_LCEN (1 << 8)
111#define WM8776_REG_ALCCTRL3 0x12
112#define WM8776_ALC3_ATK_MASK 0x0f
113#define WM8776_ALC3_DCY_MASK 0xf0
114#define WM8776_ALC3_FDECAY (1 << 8)
115#define WM8776_REG_NOISEGATE 0x13
116#define WM8776_NGAT_ENABLE (1 << 0)
117#define WM8776_NGAT_THR_MASK 0x1c /*0=-78dB, 1=-72dB...7=-36dB */
118#define WM8776_REG_LIMITER 0x14
119#define WM8776_LIM_MAXATTEN_MASK 0x0f
120#define WM8776_LIM_TRANWIN_MASK 0x70 /*0=0us, 1=62.5us, 2=125us.. */
121#define WM8776_REG_ADCMUX 0x15
122#define WM8776_ADC_MUX_AIN1 (1 << 0)
123#define WM8776_ADC_MUX_AIN2 (1 << 1)
124#define WM8776_ADC_MUX_AIN3 (1 << 2)
125#define WM8776_ADC_MUX_AIN4 (1 << 3)
126#define WM8776_ADC_MUX_AIN5 (1 << 4)
127#define WM8776_ADC_MUTER (1 << 6)
128#define WM8776_ADC_MUTEL (1 << 7)
129#define WM8776_ADC_LRBOTH (1 << 8)
130#define WM8776_REG_OUTMUX 0x16
131#define WM8776_OUTMUX_DAC (1 << 0)
132#define WM8776_OUTMUX_AUX (1 << 1)
133#define WM8776_OUTMUX_BYPASS (1 << 2)
134#define WM8776_REG_RESET 0x17
135
136#define WM8776_REG_COUNT 0x17 /* don't cache the RESET register */
137
138struct snd_wm8776;
139
140struct snd_wm8776_ops {
141 void (*write)(struct snd_wm8776 *wm, u8 addr, u8 data);
142};
143
144enum snd_wm8776_ctl_id {
145 WM8776_CTL_DAC_VOL,
146 WM8776_CTL_DAC_SW,
147 WM8776_CTL_DAC_ZC_SW,
148 WM8776_CTL_HP_VOL,
149 WM8776_CTL_HP_SW,
150 WM8776_CTL_HP_ZC_SW,
151 WM8776_CTL_AUX_SW,
152 WM8776_CTL_BYPASS_SW,
153 WM8776_CTL_DAC_IZD_SW,
154 WM8776_CTL_PHASE_SW,
155 WM8776_CTL_DEEMPH_SW,
156 WM8776_CTL_ADC_VOL,
157 WM8776_CTL_ADC_SW,
158 WM8776_CTL_INPUT1_SW,
159 WM8776_CTL_INPUT2_SW,
160 WM8776_CTL_INPUT3_SW,
161 WM8776_CTL_INPUT4_SW,
162 WM8776_CTL_INPUT5_SW,
163 WM8776_CTL_AGC_SEL,
164 WM8776_CTL_LIM_THR,
165 WM8776_CTL_LIM_ATK,
166 WM8776_CTL_LIM_DCY,
167 WM8776_CTL_LIM_TRANWIN,
168 WM8776_CTL_LIM_MAXATTN,
169 WM8776_CTL_ALC_TGT,
170 WM8776_CTL_ALC_ATK,
171 WM8776_CTL_ALC_DCY,
172 WM8776_CTL_ALC_MAXGAIN,
173 WM8776_CTL_ALC_MAXATTN,
174 WM8776_CTL_ALC_HLD,
175 WM8776_CTL_NGT_SW,
176 WM8776_CTL_NGT_THR,
177
178 WM8776_CTL_COUNT,
179};
180
181#define WM8776_ENUM_MAX 16
182
183#define WM8776_FLAG_STEREO (1 << 0)
184#define WM8776_FLAG_VOL_UPDATE (1 << 1)
185#define WM8776_FLAG_INVERT (1 << 2)
186#define WM8776_FLAG_LIM (1 << 3)
187#define WM8776_FLAG_ALC (1 << 4)
188
189struct snd_wm8776_ctl {
Takashi Iwaia2af0502012-10-17 09:21:48 +0200190 const char *name;
Ondrej Zarybfe514272012-10-14 21:09:21 +0200191 snd_ctl_elem_type_t type;
192 const char *const enum_names[WM8776_ENUM_MAX];
193 const unsigned int *tlv;
194 u16 reg1, reg2, mask1, mask2, min, max, flags;
195 void (*set)(struct snd_wm8776 *wm, u16 ch1, u16 ch2);
196 void (*get)(struct snd_wm8776 *wm, u16 *ch1, u16 *ch2);
197};
198
199enum snd_wm8776_agc_mode {
200 WM8776_AGC_OFF,
201 WM8776_AGC_LIM,
202 WM8776_AGC_ALC_R,
203 WM8776_AGC_ALC_L,
204 WM8776_AGC_ALC_STEREO
205};
206
207struct snd_wm8776 {
208 struct snd_card *card;
209 struct snd_wm8776_ctl ctl[WM8776_CTL_COUNT];
210 enum snd_wm8776_agc_mode agc_mode;
211 struct snd_wm8776_ops ops;
212 u16 regs[WM8776_REG_COUNT]; /* 9-bit registers */
213};
214
215
216
217void snd_wm8776_init(struct snd_wm8776 *wm);
218void snd_wm8776_resume(struct snd_wm8776 *wm);
Ondrej Zarybfe514272012-10-14 21:09:21 +0200219void snd_wm8776_set_power(struct snd_wm8776 *wm, u16 power);
220void snd_wm8776_volume_restore(struct snd_wm8776 *wm);
221int snd_wm8776_build_controls(struct snd_wm8776 *wm);
222
223#endif /* __SOUND_WM8776_H */