1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
|
#ifndef __SOUND_AK4114_H
#define __SOUND_AK4114_H
/*
* Routines for Asahi Kasei AK4114
* Copyright (c) by Jaroslav Kysela <perex@suse.cz>,
*
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
*/
/* AK4114 registers */
#define AK4114_REG_PWRDN 0x00 /* power down */
#define AK4114_REG_FORMAT 0x01 /* format control */
#define AK4114_REG_IO0 0x02 /* input/output control */
#define AK4114_REG_IO1 0x03 /* input/output control */
#define AK4114_REG_INT0_MASK 0x04 /* interrupt0 mask */
#define AK4114_REG_INT1_MASK 0x05 /* interrupt1 mask */
#define AK4114_REG_RCS0 0x06 /* receiver status 0 */
#define AK4114_REG_RCS1 0x07 /* receiver status 1 */
#define AK4114_REG_RXCSB0 0x08 /* RX channel status byte 0 */
#define AK4114_REG_RXCSB1 0x09 /* RX channel status byte 1 */
#define AK4114_REG_RXCSB2 0x0a /* RX channel status byte 2 */
#define AK4114_REG_RXCSB3 0x0b /* RX channel status byte 3 */
#define AK4114_REG_RXCSB4 0x0c /* RX channel status byte 4 */
#define AK4114_REG_TXCSB0 0x0d /* TX channel status byte 0 */
#define AK4114_REG_TXCSB1 0x0e /* TX channel status byte 1 */
#define AK4114_REG_TXCSB2 0x0f /* TX channel status byte 2 */
#define AK4114_REG_TXCSB3 0x10 /* TX channel status byte 3 */
#define AK4114_REG_TXCSB4 0x11 /* TX channel status byte 4 */
#define AK4114_REG_Pc0 0x12 /* burst preamble Pc byte 0 */
#define AK4114_REG_Pc1 0x13 /* burst preamble Pc byte 1 */
#define AK4114_REG_Pd0 0x14 /* burst preamble Pd byte 0 */
#define AK4114_REG_Pd1 0x15 /* burst preamble Pd byte 1 */
#define AK4114_REG_QSUB_ADDR 0x16 /* Q-subcode address + control */
#define AK4114_REG_QSUB_TRACK 0x17 /* Q-subcode track */
#define AK4114_REG_QSUB_INDEX 0x18 /* Q-subcode index */
#define AK4114_REG_QSUB_MINUTE 0x19 /* Q-subcode minute */
#define AK4114_REG_QSUB_SECOND 0x1a /* Q-subcode second */
#define AK4114_REG_QSUB_FRAME 0x1b /* Q-subcode frame */
#define AK4114_REG_QSUB_ZERO 0x1c /* Q-subcode zero */
#define AK4114_REG_QSUB_ABSMIN 0x1d /* Q-subcode absolute minute */
#define AK4114_REG_QSUB_ABSSEC 0x1e /* Q-subcode absolute second */
#define AK4114_REG_QSUB_ABSFRM 0x1f /* Q-subcode absolute frame */
/* sizes */
#define AK4114_REG_RXCSB_SIZE ((AK4114_REG_RXCSB4-AK4114_REG_RXCSB0)+1)
#define AK4114_REG_TXCSB_SIZE ((AK4114_REG_TXCSB4-AK4114_REG_TXCSB0)+1)
#define AK4114_REG_QSUB_SIZE ((AK4114_REG_QSUB_ABSFRM-AK4114_REG_QSUB_ADDR)+1)
/* AK4117_REG_PWRDN bits */
#define AK4114_CS12 (1<<7) /* Channel Status Select */
#define AK4114_BCU (1<<6) /* Block Start & C/U Output Mode */
#define AK4114_CM1 (1<<5) /* Master Clock Operation Select */
#define AK4114_CM0 (1<<4) /* Master Clock Operation Select */
#define AK4114_OCKS1 (1<<3) /* Master Clock Frequency Select */
#define AK4114_OCKS0 (1<<2) /* Master Clock Frequency Select */
#define AK4114_PWN (1<<1) /* 0 = power down, 1 = normal operation */
#define AK4114_RST (1<<0) /* 0 = reset & initialize (except this register), 1 = normal operation */
/* AK4114_REQ_FORMAT bits */
#define AK4114_MONO (1<<7) /* Double Sampling Frequency Mode: 0 = stereo, 1 = mono */
#define AK4114_DIF2 (1<<5) /* Audio Data Control */
#define AK4114_DIF1 (1<<5) /* Audio Data Control */
#define AK4114_DIF0 (1<<4) /* Audio Data Control */
#define AK4114_DIF_16R (0) /* STDO: 16-bit, right justified */
#define AK4114_DIF_18R (AK4114_DIF0) /* STDO: 18-bit, right justified */
#define AK4114_DIF_20R (AK4114_DIF1) /* STDO: 20-bit, right justified */
#define AK4114_DIF_24R (AK4114_DIF1|AK4114_DIF0) /* STDO: 24-bit, right justified */
#define AK4114_DIF_24L (AK4114_DIF2) /* STDO: 24-bit, left justified */
#define AK4114_DIF_24I2S (AK4114_DIF2|AK4114_DIF0) /* STDO: I2S */
#define AK4114_DIF_I24L (AK4114_DIF2|AK4114_DIF1) /* STDO: 24-bit, left justified; LRCLK, BICK = Input */
#define AK4114_DIF_I24I2S (AK4114_DIF2|AK4114_DIF1|AK4114_DIF0) /* STDO: I2S; LRCLK, BICK = Input */
#define AK4114_DEAU (1<<3) /* Deemphasis Autodetect Enable (1 = enable) */
#define AK4114_DEM1 (1<<2) /* 32kHz-48kHz Deemphasis Control */
#define AK4114_DEM0 (1<<1) /* 32kHz-48kHz Deemphasis Control */
#define AK4114_DEM_44KHZ (0)
#define AK4114_DEM_48KHZ (AK4114_DEM1)
#define AK4114_DEM_32KHZ (AK4114_DEM0|AK4114_DEM1)
#define AK4114_DEM_96KHZ (AK4114_DEM1) /* DFS must be set */
#define AK4114_DFS (1<<0) /* 96kHz Deemphasis Control */
/* AK4114_REG_IO0 */
#define AK4114_TX1E (1<<7) /* TX1 Output Enable (1 = enable) */
#define AK4114_OPS12 (1<<2) /* Output Though Data Selector for TX1 pin */
#define AK4114_OPS11 (1<<1) /* Output Though Data Selector for TX1 pin */
#define AK4114_OPS10 (1<<0) /* Output Though Data Selector for TX1 pin */
#define AK4114_TX0E (1<<3) /* TX0 Output Enable (1 = enable) */
#define AK4114_OPS02 (1<<2) /* Output Though Data Selector for TX0 pin */
#define AK4114_OPS01 (1<<1) /* Output Though Data Selector for TX0 pin */
#define AK4114_OPS00 (1<<0) /* Output Though Data Selector for TX0 pin */
/* AK4114_REG_IO1 */
#define AK4114_EFH1 (1<<7) /* Interrupt 0 pin Hold */
#define AK4114_EFH0 (1<<6) /* Interrupt 0 pin Hold */
#define AK4114_EFH_512 (0)
#define AK4114_EFH_1024 (AK4114_EFH0)
#define AK4114_EFH_2048 (AK4114_EFH1)
#define AK4114_EFH_4096 (AK4114_EFH1|AK4114_EFH0)
#define AK4114_UDIT (1<<5) /* U-bit Control for DIT (0 = fixed '0', 1 = recovered) */
#define AK4114_TLR (1<<4) /* Double Sampling Frequency Select for DIT (0 = L channel, 1 = R channel) */
#define AK4114_DIT (1<<3) /* TX1 out: 0 = Through Data (RX data), 1 = Transmit Data (DAUX data) */
#define AK4114_IPS2 (1<<2) /* Input Recovery Data Select */
#define AK4114_IPS1 (1<<1) /* Input Recovery Data Select */
#define AK4114_IPS0 (1<<0) /* Input Recovery Data Select */
#define AK4114_IPS(x) ((x)&7)
/* AK4114_REG_INT0_MASK && AK4114_REG_INT1_MASK*/
#define AK4117_MQI (1<<7) /* mask enable for QINT bit */
#define AK4117_MAT (1<<6) /* mask enable for AUTO bit */
#define AK4117_MCI (1<<5) /* mask enable for CINT bit */
#define AK4117_MUL (1<<4) /* mask enable for UNLOCK bit */
#define AK4117_MDTS (1<<3) /* mask enable for DTSCD bit */
#define AK4117_MPE (1<<2) /* mask enable for PEM bit */
#define AK4117_MAN (1<<1) /* mask enable for AUDN bit */
#define AK4117_MPR (1<<0) /* mask enable for PAR bit */
/* AK4114_REG_RCS0 */
#define AK4114_QINT (1<<7) /* Q-subcode buffer interrupt, 0 = no change, 1 = changed */
#define AK4114_AUTO (1<<6) /* Non-PCM or DTS stream auto detection, 0 = no detect, 1 = detect */
#define AK4114_CINT (1<<5) /* channel status buffer interrupt, 0 = no change, 1 = change */
#define AK4114_UNLCK (1<<4) /* PLL lock status, 0 = lock, 1 = unlock */
#define AK4114_DTSCD (1<<3) /* DTS-CD Detect, 0 = No detect, 1 = Detect */
#define AK4114_PEM (1<<2) /* Pre-emphasis Detect, 0 = OFF, 1 = ON */
#define AK4114_AUDION (1<<1) /* audio bit output, 0 = audio, 1 = non-audio */
#define AK4114_PAR (1<<0) /* parity error or biphase error status, 0 = no error, 1 = error */
/* AK4114_REG_RCS1 */
#define AK4114_FS3 (1<<7) /* sampling frequency detection */
#define AK4114_FS2 (1<<6)
#define AK4114_FS1 (1<<5)
#define AK4114_FS0 (1<<4)
#define AK4114_FS_44100HZ (0)
#define AK4114_FS_48000HZ (AK4114_FS1)
#define AK4114_FS_32000HZ (AK4114_FS1|AK4114_FS0)
#define AK4114_FS_88200HZ (AK4114_FS3)
#define AK4114_FS_96000HZ (AK4114_FS3|AK4114_FS1)
#define AK4114_FS_176400HZ (AK4114_FS3|AK4114_FS2)
#define AK4114_FS_192000HZ (AK4114_FS3|AK4114_FS2|AK4114_FS1)
#define AK4114_V (1<<3) /* Validity of Channel Status, 0 = Valid, 1 = Invalid */
#define AK4114_QCRC (1<<1) /* CRC for Q-subcode, 0 = no error, 1 = error */
#define AK4114_CCRC (1<<0) /* CRC for channel status, 0 = no error, 1 = error */
/* flags for snd_ak4114_check_rate_and_errors() */
#define AK4114_CHECK_NO_STAT (1<<0) /* no statistics */
#define AK4114_CHECK_NO_RATE (1<<1) /* no rate check */
#define AK4114_CONTROLS 14
typedef void (ak4114_write_t)(void *private_data, unsigned char addr, unsigned char data);
typedef unsigned char (ak4114_read_t)(void *private_data, unsigned char addr);
struct ak4114 {
struct snd_card *card;
ak4114_write_t * write;
ak4114_read_t * read;
void * private_data;
unsigned int init: 1;
spinlock_t lock;
unsigned char regmap[7];
unsigned char txcsb[5];
struct snd_kcontrol *kctls[AK4114_CONTROLS];
struct snd_pcm_substream *playback_substream;
struct snd_pcm_substream *capture_substream;
unsigned long parity_errors;
unsigned long v_bit_errors;
unsigned long qcrc_errors;
unsigned long ccrc_errors;
unsigned char rcs0;
unsigned char rcs1;
struct workqueue_struct *workqueue;
struct work_struct work;
void *change_callback_private;
void (*change_callback)(struct ak4114 *ak4114, unsigned char c0, unsigned char c1);
};
int snd_ak4114_create(struct snd_card *card,
ak4114_read_t *read, ak4114_write_t *write,
unsigned char pgm[7], unsigned char txcsb[5],
void *private_data, struct ak4114 **r_ak4114);
void snd_ak4114_reg_write(struct ak4114 *ak4114, unsigned char reg, unsigned char mask, unsigned char val);
void snd_ak4114_reinit(struct ak4114 *ak4114);
int snd_ak4114_build(struct ak4114 *ak4114,
struct snd_pcm_substream *playback_substream,
struct snd_pcm_substream *capture_substream);
int snd_ak4114_external_rate(struct ak4114 *ak4114);
int snd_ak4114_check_rate_and_errors(struct ak4114 *ak4114, unsigned int flags);
#endif /* __SOUND_AK4114_H */
|
