David Brazdil | 0f672f6 | 2019-12-10 10:32:29 +0000 | [diff] [blame^] | 1 | /* SPDX-License-Identifier: GPL-2.0-or-later */ |
Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 2 | #ifndef __SOUND_WM8766_H |
| 3 | #define __SOUND_WM8766_H |
| 4 | |
| 5 | /* |
| 6 | * ALSA driver for ICEnsemble VT17xx |
| 7 | * |
| 8 | * Lowlevel functions for WM8766 codec |
| 9 | * |
| 10 | * Copyright (c) 2012 Ondrej Zary <linux@rainbow-software.org> |
Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 11 | */ |
| 12 | |
| 13 | #define WM8766_REG_DACL1 0x00 |
| 14 | #define WM8766_REG_DACR1 0x01 |
| 15 | #define WM8766_VOL_MASK 0x1ff /* incl. update bit */ |
| 16 | #define WM8766_VOL_UPDATE (1 << 8) /* update volume */ |
| 17 | #define WM8766_REG_DACCTRL1 0x02 |
| 18 | #define WM8766_DAC_MUTEALL (1 << 0) |
| 19 | #define WM8766_DAC_DEEMPALL (1 << 1) |
| 20 | #define WM8766_DAC_PDWN (1 << 2) |
| 21 | #define WM8766_DAC_ATC (1 << 3) |
| 22 | #define WM8766_DAC_IZD (1 << 4) |
| 23 | #define WM8766_DAC_PL_MASK 0x1e0 |
| 24 | #define WM8766_DAC_PL_LL (1 << 5) /* L chan: L signal */ |
| 25 | #define WM8766_DAC_PL_LR (2 << 5) /* L chan: R signal */ |
| 26 | #define WM8766_DAC_PL_LB (3 << 5) /* L chan: both */ |
| 27 | #define WM8766_DAC_PL_RL (1 << 7) /* R chan: L signal */ |
| 28 | #define WM8766_DAC_PL_RR (2 << 7) /* R chan: R signal */ |
| 29 | #define WM8766_DAC_PL_RB (3 << 7) /* R chan: both */ |
| 30 | #define WM8766_REG_IFCTRL 0x03 |
| 31 | #define WM8766_IF_FMT_RIGHTJ (0 << 0) |
| 32 | #define WM8766_IF_FMT_LEFTJ (1 << 0) |
| 33 | #define WM8766_IF_FMT_I2S (2 << 0) |
| 34 | #define WM8766_IF_FMT_DSP (3 << 0) |
| 35 | #define WM8766_IF_DSP_LATE (1 << 2) /* in DSP mode */ |
| 36 | #define WM8766_IF_LRC_INVERTED (1 << 2) /* in other modes */ |
| 37 | #define WM8766_IF_BCLK_INVERTED (1 << 3) |
| 38 | #define WM8766_IF_IWL_16BIT (0 << 4) |
| 39 | #define WM8766_IF_IWL_20BIT (1 << 4) |
| 40 | #define WM8766_IF_IWL_24BIT (2 << 4) |
| 41 | #define WM8766_IF_IWL_32BIT (3 << 4) |
| 42 | #define WM8766_IF_MASK 0x3f |
| 43 | #define WM8766_PHASE_INVERT1 (1 << 6) |
| 44 | #define WM8766_PHASE_INVERT2 (1 << 7) |
| 45 | #define WM8766_PHASE_INVERT3 (1 << 8) |
| 46 | #define WM8766_REG_DACL2 0x04 |
| 47 | #define WM8766_REG_DACR2 0x05 |
| 48 | #define WM8766_REG_DACL3 0x06 |
| 49 | #define WM8766_REG_DACR3 0x07 |
| 50 | #define WM8766_REG_MASTDA 0x08 |
| 51 | #define WM8766_REG_DACCTRL2 0x09 |
| 52 | #define WM8766_DAC2_ZCD (1 << 0) |
| 53 | #define WM8766_DAC2_ZFLAG_ALL (0 << 1) |
| 54 | #define WM8766_DAC2_ZFLAG_1 (1 << 1) |
| 55 | #define WM8766_DAC2_ZFLAG_2 (2 << 1) |
| 56 | #define WM8766_DAC2_ZFLAG_3 (3 << 1) |
| 57 | #define WM8766_DAC2_MUTE1 (1 << 3) |
| 58 | #define WM8766_DAC2_MUTE2 (1 << 4) |
| 59 | #define WM8766_DAC2_MUTE3 (1 << 5) |
| 60 | #define WM8766_DAC2_DEEMP1 (1 << 6) |
| 61 | #define WM8766_DAC2_DEEMP2 (1 << 7) |
| 62 | #define WM8766_DAC2_DEEMP3 (1 << 8) |
| 63 | #define WM8766_REG_DACCTRL3 0x0a |
| 64 | #define WM8766_DAC3_DACPD1 (1 << 1) |
| 65 | #define WM8766_DAC3_DACPD2 (1 << 2) |
| 66 | #define WM8766_DAC3_DACPD3 (1 << 3) |
| 67 | #define WM8766_DAC3_PWRDNALL (1 << 4) |
| 68 | #define WM8766_DAC3_POWER_MASK 0x1e |
| 69 | #define WM8766_DAC3_MASTER (1 << 5) |
| 70 | #define WM8766_DAC3_DAC128FS (0 << 6) |
| 71 | #define WM8766_DAC3_DAC192FS (1 << 6) |
| 72 | #define WM8766_DAC3_DAC256FS (2 << 6) |
| 73 | #define WM8766_DAC3_DAC384FS (3 << 6) |
| 74 | #define WM8766_DAC3_DAC512FS (4 << 6) |
| 75 | #define WM8766_DAC3_DAC768FS (5 << 6) |
| 76 | #define WM8766_DAC3_MSTR_MASK 0x1e0 |
| 77 | #define WM8766_REG_MUTE1 0x0c |
| 78 | #define WM8766_MUTE1_MPD (1 << 6) |
| 79 | #define WM8766_REG_MUTE2 0x0f |
| 80 | #define WM8766_MUTE2_MPD (1 << 5) |
| 81 | #define WM8766_REG_RESET 0x1f |
| 82 | |
| 83 | #define WM8766_REG_COUNT 0x10 /* don't cache the RESET register */ |
| 84 | |
| 85 | struct snd_wm8766; |
| 86 | |
| 87 | struct snd_wm8766_ops { |
| 88 | void (*write)(struct snd_wm8766 *wm, u16 addr, u16 data); |
| 89 | }; |
| 90 | |
| 91 | enum snd_wm8766_ctl_id { |
| 92 | WM8766_CTL_CH1_VOL, |
| 93 | WM8766_CTL_CH2_VOL, |
| 94 | WM8766_CTL_CH3_VOL, |
| 95 | WM8766_CTL_CH1_SW, |
| 96 | WM8766_CTL_CH2_SW, |
| 97 | WM8766_CTL_CH3_SW, |
| 98 | WM8766_CTL_PHASE1_SW, |
| 99 | WM8766_CTL_PHASE2_SW, |
| 100 | WM8766_CTL_PHASE3_SW, |
| 101 | WM8766_CTL_DEEMPH1_SW, |
| 102 | WM8766_CTL_DEEMPH2_SW, |
| 103 | WM8766_CTL_DEEMPH3_SW, |
| 104 | WM8766_CTL_IZD_SW, |
| 105 | WM8766_CTL_ZC_SW, |
| 106 | |
| 107 | WM8766_CTL_COUNT, |
| 108 | }; |
| 109 | |
| 110 | #define WM8766_ENUM_MAX 16 |
| 111 | |
| 112 | #define WM8766_FLAG_STEREO (1 << 0) |
| 113 | #define WM8766_FLAG_VOL_UPDATE (1 << 1) |
| 114 | #define WM8766_FLAG_INVERT (1 << 2) |
| 115 | #define WM8766_FLAG_LIM (1 << 3) |
| 116 | #define WM8766_FLAG_ALC (1 << 4) |
| 117 | |
| 118 | struct snd_wm8766_ctl { |
| 119 | struct snd_kcontrol *kctl; |
| 120 | const char *name; |
| 121 | snd_ctl_elem_type_t type; |
| 122 | const char *const enum_names[WM8766_ENUM_MAX]; |
| 123 | const unsigned int *tlv; |
| 124 | u16 reg1, reg2, mask1, mask2, min, max, flags; |
| 125 | void (*set)(struct snd_wm8766 *wm, u16 ch1, u16 ch2); |
| 126 | void (*get)(struct snd_wm8766 *wm, u16 *ch1, u16 *ch2); |
| 127 | }; |
| 128 | |
| 129 | enum snd_wm8766_agc_mode { WM8766_AGC_OFF, WM8766_AGC_LIM, WM8766_AGC_ALC }; |
| 130 | |
| 131 | struct snd_wm8766 { |
| 132 | struct snd_card *card; |
| 133 | struct snd_wm8766_ctl ctl[WM8766_CTL_COUNT]; |
| 134 | enum snd_wm8766_agc_mode agc_mode; |
| 135 | struct snd_wm8766_ops ops; |
| 136 | u16 regs[WM8766_REG_COUNT]; /* 9-bit registers */ |
| 137 | }; |
| 138 | |
| 139 | |
| 140 | |
| 141 | void snd_wm8766_init(struct snd_wm8766 *wm); |
| 142 | void snd_wm8766_resume(struct snd_wm8766 *wm); |
| 143 | void snd_wm8766_set_if(struct snd_wm8766 *wm, u16 dac); |
| 144 | void snd_wm8766_volume_restore(struct snd_wm8766 *wm); |
| 145 | int snd_wm8766_build_controls(struct snd_wm8766 *wm); |
| 146 | |
| 147 | #endif /* __SOUND_WM8766_H */ |