1 #ifndef __SOUND_WM8776_H
2 #define __SOUND_WM8776_H
5 * ALSA driver for ICEnsemble VT17xx
7 * Lowlevel functions for WM8776 codec
9 * Copyright (c) 2012 Ondrej Zary <linux@rainbow-software.org>
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.
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.
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
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
136 #define WM8776_REG_COUNT 0x17 /* don't cache the RESET register */
140 struct snd_wm8776_ops
{
141 void (*write
)(struct snd_wm8776
*wm
, u8 addr
, u8 data
);
144 enum snd_wm8776_ctl_id
{
147 WM8776_CTL_DAC_ZC_SW
,
152 WM8776_CTL_BYPASS_SW
,
153 WM8776_CTL_DAC_IZD_SW
,
155 WM8776_CTL_DEEMPH_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
,
167 WM8776_CTL_LIM_TRANWIN
,
168 WM8776_CTL_LIM_MAXATTN
,
172 WM8776_CTL_ALC_MAXGAIN
,
173 WM8776_CTL_ALC_MAXATTN
,
181 #define WM8776_ENUM_MAX 16
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)
189 struct snd_wm8776_ctl
{
191 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
);
199 enum snd_wm8776_agc_mode
{
204 WM8776_AGC_ALC_STEREO
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 */
217 void snd_wm8776_init(struct snd_wm8776
*wm
);
218 void snd_wm8776_resume(struct snd_wm8776
*wm
);
219 void snd_wm8776_set_power(struct snd_wm8776
*wm
, u16 power
);
220 void snd_wm8776_volume_restore(struct snd_wm8776
*wm
);
221 int snd_wm8776_build_controls(struct snd_wm8776
*wm
);
223 #endif /* __SOUND_WM8776_H */