1 #ifndef __SOUND_WM8766_H
2 #define __SOUND_WM8766_H
5 * ALSA driver for ICEnsemble VT17xx
7 * Lowlevel functions for WM8766 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 WM8766_REG_DACL1 0x00
28 #define WM8766_REG_DACR1 0x01
29 #define WM8766_VOL_MASK 0x1ff /* incl. update bit */
30 #define WM8766_VOL_UPDATE (1 << 8) /* update volume */
31 #define WM8766_REG_DACCTRL1 0x02
32 #define WM8766_DAC_MUTEALL (1 << 0)
33 #define WM8766_DAC_DEEMPALL (1 << 1)
34 #define WM8766_DAC_PDWN (1 << 2)
35 #define WM8766_DAC_ATC (1 << 3)
36 #define WM8766_DAC_IZD (1 << 4)
37 #define WM8766_DAC_PL_MASK 0x1e0
38 #define WM8766_DAC_PL_LL (1 << 5) /* L chan: L signal */
39 #define WM8766_DAC_PL_LR (2 << 5) /* L chan: R signal */
40 #define WM8766_DAC_PL_LB (3 << 5) /* L chan: both */
41 #define WM8766_DAC_PL_RL (1 << 7) /* R chan: L signal */
42 #define WM8766_DAC_PL_RR (2 << 7) /* R chan: R signal */
43 #define WM8766_DAC_PL_RB (3 << 7) /* R chan: both */
44 #define WM8766_REG_IFCTRL 0x03
45 #define WM8766_IF_FMT_RIGHTJ (0 << 0)
46 #define WM8766_IF_FMT_LEFTJ (1 << 0)
47 #define WM8766_IF_FMT_I2S (2 << 0)
48 #define WM8766_IF_FMT_DSP (3 << 0)
49 #define WM8766_IF_DSP_LATE (1 << 2) /* in DSP mode */
50 #define WM8766_IF_LRC_INVERTED (1 << 2) /* in other modes */
51 #define WM8766_IF_BCLK_INVERTED (1 << 3)
52 #define WM8766_IF_IWL_16BIT (0 << 4)
53 #define WM8766_IF_IWL_20BIT (1 << 4)
54 #define WM8766_IF_IWL_24BIT (2 << 4)
55 #define WM8766_IF_IWL_32BIT (3 << 4)
56 #define WM8766_IF_MASK 0x3f
57 #define WM8766_PHASE_INVERT1 (1 << 6)
58 #define WM8766_PHASE_INVERT2 (1 << 7)
59 #define WM8766_PHASE_INVERT3 (1 << 8)
60 #define WM8766_REG_DACL2 0x04
61 #define WM8766_REG_DACR2 0x05
62 #define WM8766_REG_DACL3 0x06
63 #define WM8766_REG_DACR3 0x07
64 #define WM8766_REG_MASTDA 0x08
65 #define WM8766_REG_DACCTRL2 0x09
66 #define WM8766_DAC2_ZCD (1 << 0)
67 #define WM8766_DAC2_ZFLAG_ALL (0 << 1)
68 #define WM8766_DAC2_ZFLAG_1 (1 << 1)
69 #define WM8766_DAC2_ZFLAG_2 (2 << 1)
70 #define WM8766_DAC2_ZFLAG_3 (3 << 1)
71 #define WM8766_DAC2_MUTE1 (1 << 3)
72 #define WM8766_DAC2_MUTE2 (1 << 4)
73 #define WM8766_DAC2_MUTE3 (1 << 5)
74 #define WM8766_DAC2_DEEMP1 (1 << 6)
75 #define WM8766_DAC2_DEEMP2 (1 << 7)
76 #define WM8766_DAC2_DEEMP3 (1 << 8)
77 #define WM8766_REG_DACCTRL3 0x0a
78 #define WM8766_DAC3_DACPD1 (1 << 1)
79 #define WM8766_DAC3_DACPD2 (1 << 2)
80 #define WM8766_DAC3_DACPD3 (1 << 3)
81 #define WM8766_DAC3_PWRDNALL (1 << 4)
82 #define WM8766_DAC3_POWER_MASK 0x1e
83 #define WM8766_DAC3_MASTER (1 << 5)
84 #define WM8766_DAC3_DAC128FS (0 << 6)
85 #define WM8766_DAC3_DAC192FS (1 << 6)
86 #define WM8766_DAC3_DAC256FS (2 << 6)
87 #define WM8766_DAC3_DAC384FS (3 << 6)
88 #define WM8766_DAC3_DAC512FS (4 << 6)
89 #define WM8766_DAC3_DAC768FS (5 << 6)
90 #define WM8766_DAC3_MSTR_MASK 0x1e0
91 #define WM8766_REG_MUTE1 0x0c
92 #define WM8766_MUTE1_MPD (1 << 6)
93 #define WM8766_REG_MUTE2 0x0f
94 #define WM8766_MUTE2_MPD (1 << 5)
95 #define WM8766_REG_RESET 0x1f
97 #define WM8766_REG_COUNT 0x10 /* don't cache the RESET register */
101 struct snd_wm8766_ops
{
102 void (*write
)(struct snd_wm8766
*wm
, u16 addr
, u16 data
);
105 enum snd_wm8766_ctl_id
{
112 WM8766_CTL_PHASE1_SW
,
113 WM8766_CTL_PHASE2_SW
,
114 WM8766_CTL_PHASE3_SW
,
115 WM8766_CTL_DEEMPH1_SW
,
116 WM8766_CTL_DEEMPH2_SW
,
117 WM8766_CTL_DEEMPH3_SW
,
124 #define WM8766_ENUM_MAX 16
126 #define WM8766_FLAG_STEREO (1 << 0)
127 #define WM8766_FLAG_VOL_UPDATE (1 << 1)
128 #define WM8766_FLAG_INVERT (1 << 2)
129 #define WM8766_FLAG_LIM (1 << 3)
130 #define WM8766_FLAG_ALC (1 << 4)
132 struct snd_wm8766_ctl
{
133 struct snd_kcontrol
*kctl
;
135 snd_ctl_elem_type_t type
;
136 const char *const enum_names
[WM8766_ENUM_MAX
];
137 const unsigned int *tlv
;
138 u16 reg1
, reg2
, mask1
, mask2
, min
, max
, flags
;
139 void (*set
)(struct snd_wm8766
*wm
, u16 ch1
, u16 ch2
);
140 void (*get
)(struct snd_wm8766
*wm
, u16
*ch1
, u16
*ch2
);
143 enum snd_wm8766_agc_mode
{ WM8766_AGC_OFF
, WM8766_AGC_LIM
, WM8766_AGC_ALC
};
146 struct snd_card
*card
;
147 struct snd_wm8766_ctl ctl
[WM8766_CTL_COUNT
];
148 enum snd_wm8766_agc_mode agc_mode
;
149 struct snd_wm8766_ops ops
;
150 u16 regs
[WM8766_REG_COUNT
]; /* 9-bit registers */
155 void snd_wm8766_init(struct snd_wm8766
*wm
);
156 void snd_wm8766_resume(struct snd_wm8766
*wm
);
157 void snd_wm8766_set_if(struct snd_wm8766
*wm
, u16 dac
);
158 void snd_wm8766_volume_restore(struct snd_wm8766
*wm
);
159 int snd_wm8766_build_controls(struct snd_wm8766
*wm
);
161 #endif /* __SOUND_WM8766_H */