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1a59d1b8 | 1 | /* SPDX-License-Identifier: GPL-2.0-or-later */ |
1da177e4 LT |
2 | #ifndef __SOUND_AK4114_H |
3 | #define __SOUND_AK4114_H | |
4 | ||
5 | /* | |
6 | * Routines for Asahi Kasei AK4114 | |
c1017a4c | 7 | * Copyright (c) by Jaroslav Kysela <perex@perex.cz>, |
1da177e4 LT |
8 | */ |
9 | ||
10 | /* AK4114 registers */ | |
11 | #define AK4114_REG_PWRDN 0x00 /* power down */ | |
12 | #define AK4114_REG_FORMAT 0x01 /* format control */ | |
13 | #define AK4114_REG_IO0 0x02 /* input/output control */ | |
14 | #define AK4114_REG_IO1 0x03 /* input/output control */ | |
15 | #define AK4114_REG_INT0_MASK 0x04 /* interrupt0 mask */ | |
16 | #define AK4114_REG_INT1_MASK 0x05 /* interrupt1 mask */ | |
17 | #define AK4114_REG_RCS0 0x06 /* receiver status 0 */ | |
18 | #define AK4114_REG_RCS1 0x07 /* receiver status 1 */ | |
19 | #define AK4114_REG_RXCSB0 0x08 /* RX channel status byte 0 */ | |
20 | #define AK4114_REG_RXCSB1 0x09 /* RX channel status byte 1 */ | |
21 | #define AK4114_REG_RXCSB2 0x0a /* RX channel status byte 2 */ | |
22 | #define AK4114_REG_RXCSB3 0x0b /* RX channel status byte 3 */ | |
23 | #define AK4114_REG_RXCSB4 0x0c /* RX channel status byte 4 */ | |
24 | #define AK4114_REG_TXCSB0 0x0d /* TX channel status byte 0 */ | |
25 | #define AK4114_REG_TXCSB1 0x0e /* TX channel status byte 1 */ | |
26 | #define AK4114_REG_TXCSB2 0x0f /* TX channel status byte 2 */ | |
27 | #define AK4114_REG_TXCSB3 0x10 /* TX channel status byte 3 */ | |
28 | #define AK4114_REG_TXCSB4 0x11 /* TX channel status byte 4 */ | |
29 | #define AK4114_REG_Pc0 0x12 /* burst preamble Pc byte 0 */ | |
30 | #define AK4114_REG_Pc1 0x13 /* burst preamble Pc byte 1 */ | |
31 | #define AK4114_REG_Pd0 0x14 /* burst preamble Pd byte 0 */ | |
32 | #define AK4114_REG_Pd1 0x15 /* burst preamble Pd byte 1 */ | |
33 | #define AK4114_REG_QSUB_ADDR 0x16 /* Q-subcode address + control */ | |
34 | #define AK4114_REG_QSUB_TRACK 0x17 /* Q-subcode track */ | |
35 | #define AK4114_REG_QSUB_INDEX 0x18 /* Q-subcode index */ | |
36 | #define AK4114_REG_QSUB_MINUTE 0x19 /* Q-subcode minute */ | |
37 | #define AK4114_REG_QSUB_SECOND 0x1a /* Q-subcode second */ | |
38 | #define AK4114_REG_QSUB_FRAME 0x1b /* Q-subcode frame */ | |
39 | #define AK4114_REG_QSUB_ZERO 0x1c /* Q-subcode zero */ | |
40 | #define AK4114_REG_QSUB_ABSMIN 0x1d /* Q-subcode absolute minute */ | |
41 | #define AK4114_REG_QSUB_ABSSEC 0x1e /* Q-subcode absolute second */ | |
42 | #define AK4114_REG_QSUB_ABSFRM 0x1f /* Q-subcode absolute frame */ | |
43 | ||
44 | /* sizes */ | |
45 | #define AK4114_REG_RXCSB_SIZE ((AK4114_REG_RXCSB4-AK4114_REG_RXCSB0)+1) | |
46 | #define AK4114_REG_TXCSB_SIZE ((AK4114_REG_TXCSB4-AK4114_REG_TXCSB0)+1) | |
47 | #define AK4114_REG_QSUB_SIZE ((AK4114_REG_QSUB_ABSFRM-AK4114_REG_QSUB_ADDR)+1) | |
48 | ||
49 | /* AK4117_REG_PWRDN bits */ | |
50 | #define AK4114_CS12 (1<<7) /* Channel Status Select */ | |
51 | #define AK4114_BCU (1<<6) /* Block Start & C/U Output Mode */ | |
52 | #define AK4114_CM1 (1<<5) /* Master Clock Operation Select */ | |
53 | #define AK4114_CM0 (1<<4) /* Master Clock Operation Select */ | |
54 | #define AK4114_OCKS1 (1<<3) /* Master Clock Frequency Select */ | |
55 | #define AK4114_OCKS0 (1<<2) /* Master Clock Frequency Select */ | |
56 | #define AK4114_PWN (1<<1) /* 0 = power down, 1 = normal operation */ | |
57 | #define AK4114_RST (1<<0) /* 0 = reset & initialize (except this register), 1 = normal operation */ | |
58 | ||
59 | /* AK4114_REQ_FORMAT bits */ | |
60 | #define AK4114_MONO (1<<7) /* Double Sampling Frequency Mode: 0 = stereo, 1 = mono */ | |
6d5fc07a | 61 | #define AK4114_DIF2 (1<<6) /* Audio Data Control */ |
1da177e4 LT |
62 | #define AK4114_DIF1 (1<<5) /* Audio Data Control */ |
63 | #define AK4114_DIF0 (1<<4) /* Audio Data Control */ | |
64 | #define AK4114_DIF_16R (0) /* STDO: 16-bit, right justified */ | |
65 | #define AK4114_DIF_18R (AK4114_DIF0) /* STDO: 18-bit, right justified */ | |
66 | #define AK4114_DIF_20R (AK4114_DIF1) /* STDO: 20-bit, right justified */ | |
67 | #define AK4114_DIF_24R (AK4114_DIF1|AK4114_DIF0) /* STDO: 24-bit, right justified */ | |
68 | #define AK4114_DIF_24L (AK4114_DIF2) /* STDO: 24-bit, left justified */ | |
69 | #define AK4114_DIF_24I2S (AK4114_DIF2|AK4114_DIF0) /* STDO: I2S */ | |
70 | #define AK4114_DIF_I24L (AK4114_DIF2|AK4114_DIF1) /* STDO: 24-bit, left justified; LRCLK, BICK = Input */ | |
71 | #define AK4114_DIF_I24I2S (AK4114_DIF2|AK4114_DIF1|AK4114_DIF0) /* STDO: I2S; LRCLK, BICK = Input */ | |
72 | #define AK4114_DEAU (1<<3) /* Deemphasis Autodetect Enable (1 = enable) */ | |
73 | #define AK4114_DEM1 (1<<2) /* 32kHz-48kHz Deemphasis Control */ | |
74 | #define AK4114_DEM0 (1<<1) /* 32kHz-48kHz Deemphasis Control */ | |
75 | #define AK4114_DEM_44KHZ (0) | |
76 | #define AK4114_DEM_48KHZ (AK4114_DEM1) | |
77 | #define AK4114_DEM_32KHZ (AK4114_DEM0|AK4114_DEM1) | |
78 | #define AK4114_DEM_96KHZ (AK4114_DEM1) /* DFS must be set */ | |
79 | #define AK4114_DFS (1<<0) /* 96kHz Deemphasis Control */ | |
80 | ||
81 | /* AK4114_REG_IO0 */ | |
82 | #define AK4114_TX1E (1<<7) /* TX1 Output Enable (1 = enable) */ | |
c0a9eedf PH |
83 | #define AK4114_OPS12 (1<<6) /* Output Data Selector for TX1 pin */ |
84 | #define AK4114_OPS11 (1<<5) /* Output Data Selector for TX1 pin */ | |
85 | #define AK4114_OPS10 (1<<4) /* Output Data Selector for TX1 pin */ | |
1da177e4 | 86 | #define AK4114_TX0E (1<<3) /* TX0 Output Enable (1 = enable) */ |
c0a9eedf PH |
87 | #define AK4114_OPS02 (1<<2) /* Output Data Selector for TX0 pin */ |
88 | #define AK4114_OPS01 (1<<1) /* Output Data Selector for TX0 pin */ | |
89 | #define AK4114_OPS00 (1<<0) /* Output Data Selector for TX0 pin */ | |
1da177e4 LT |
90 | |
91 | /* AK4114_REG_IO1 */ | |
92 | #define AK4114_EFH1 (1<<7) /* Interrupt 0 pin Hold */ | |
93 | #define AK4114_EFH0 (1<<6) /* Interrupt 0 pin Hold */ | |
94 | #define AK4114_EFH_512 (0) | |
95 | #define AK4114_EFH_1024 (AK4114_EFH0) | |
96 | #define AK4114_EFH_2048 (AK4114_EFH1) | |
97 | #define AK4114_EFH_4096 (AK4114_EFH1|AK4114_EFH0) | |
98 | #define AK4114_UDIT (1<<5) /* U-bit Control for DIT (0 = fixed '0', 1 = recovered) */ | |
99 | #define AK4114_TLR (1<<4) /* Double Sampling Frequency Select for DIT (0 = L channel, 1 = R channel) */ | |
100 | #define AK4114_DIT (1<<3) /* TX1 out: 0 = Through Data (RX data), 1 = Transmit Data (DAUX data) */ | |
101 | #define AK4114_IPS2 (1<<2) /* Input Recovery Data Select */ | |
102 | #define AK4114_IPS1 (1<<1) /* Input Recovery Data Select */ | |
103 | #define AK4114_IPS0 (1<<0) /* Input Recovery Data Select */ | |
104 | #define AK4114_IPS(x) ((x)&7) | |
105 | ||
106 | /* AK4114_REG_INT0_MASK && AK4114_REG_INT1_MASK*/ | |
107 | #define AK4117_MQI (1<<7) /* mask enable for QINT bit */ | |
108 | #define AK4117_MAT (1<<6) /* mask enable for AUTO bit */ | |
109 | #define AK4117_MCI (1<<5) /* mask enable for CINT bit */ | |
110 | #define AK4117_MUL (1<<4) /* mask enable for UNLOCK bit */ | |
111 | #define AK4117_MDTS (1<<3) /* mask enable for DTSCD bit */ | |
112 | #define AK4117_MPE (1<<2) /* mask enable for PEM bit */ | |
113 | #define AK4117_MAN (1<<1) /* mask enable for AUDN bit */ | |
114 | #define AK4117_MPR (1<<0) /* mask enable for PAR bit */ | |
115 | ||
116 | /* AK4114_REG_RCS0 */ | |
117 | #define AK4114_QINT (1<<7) /* Q-subcode buffer interrupt, 0 = no change, 1 = changed */ | |
118 | #define AK4114_AUTO (1<<6) /* Non-PCM or DTS stream auto detection, 0 = no detect, 1 = detect */ | |
119 | #define AK4114_CINT (1<<5) /* channel status buffer interrupt, 0 = no change, 1 = change */ | |
120 | #define AK4114_UNLCK (1<<4) /* PLL lock status, 0 = lock, 1 = unlock */ | |
121 | #define AK4114_DTSCD (1<<3) /* DTS-CD Detect, 0 = No detect, 1 = Detect */ | |
122 | #define AK4114_PEM (1<<2) /* Pre-emphasis Detect, 0 = OFF, 1 = ON */ | |
123 | #define AK4114_AUDION (1<<1) /* audio bit output, 0 = audio, 1 = non-audio */ | |
124 | #define AK4114_PAR (1<<0) /* parity error or biphase error status, 0 = no error, 1 = error */ | |
125 | ||
126 | /* AK4114_REG_RCS1 */ | |
127 | #define AK4114_FS3 (1<<7) /* sampling frequency detection */ | |
128 | #define AK4114_FS2 (1<<6) | |
129 | #define AK4114_FS1 (1<<5) | |
130 | #define AK4114_FS0 (1<<4) | |
131 | #define AK4114_FS_44100HZ (0) | |
132 | #define AK4114_FS_48000HZ (AK4114_FS1) | |
133 | #define AK4114_FS_32000HZ (AK4114_FS1|AK4114_FS0) | |
134 | #define AK4114_FS_88200HZ (AK4114_FS3) | |
135 | #define AK4114_FS_96000HZ (AK4114_FS3|AK4114_FS1) | |
136 | #define AK4114_FS_176400HZ (AK4114_FS3|AK4114_FS2) | |
137 | #define AK4114_FS_192000HZ (AK4114_FS3|AK4114_FS2|AK4114_FS1) | |
138 | #define AK4114_V (1<<3) /* Validity of Channel Status, 0 = Valid, 1 = Invalid */ | |
139 | #define AK4114_QCRC (1<<1) /* CRC for Q-subcode, 0 = no error, 1 = error */ | |
140 | #define AK4114_CCRC (1<<0) /* CRC for channel status, 0 = no error, 1 = error */ | |
141 | ||
142 | /* flags for snd_ak4114_check_rate_and_errors() */ | |
143 | #define AK4114_CHECK_NO_STAT (1<<0) /* no statistics */ | |
144 | #define AK4114_CHECK_NO_RATE (1<<1) /* no rate check */ | |
145 | ||
c4116ae7 | 146 | #define AK4114_CONTROLS 15 |
1da177e4 LT |
147 | |
148 | typedef void (ak4114_write_t)(void *private_data, unsigned char addr, unsigned char data); | |
149 | typedef unsigned char (ak4114_read_t)(void *private_data, unsigned char addr); | |
150 | ||
239480ab TI |
151 | enum { |
152 | AK4114_PARITY_ERRORS, | |
153 | AK4114_V_BIT_ERRORS, | |
154 | AK4114_QCRC_ERRORS, | |
155 | AK4114_CCRC_ERRORS, | |
156 | AK4114_NUM_ERRORS | |
157 | }; | |
158 | ||
1da177e4 | 159 | struct ak4114 { |
dc4cafba | 160 | struct snd_card *card; |
1da177e4 LT |
161 | ak4114_write_t * write; |
162 | ak4114_read_t * read; | |
163 | void * private_data; | |
4161b450 | 164 | atomic_t wq_processing; |
1781e78c | 165 | struct mutex reinit_mutex; |
1da177e4 | 166 | spinlock_t lock; |
e12483e0 | 167 | unsigned char regmap[6]; |
1da177e4 | 168 | unsigned char txcsb[5]; |
dc4cafba TI |
169 | struct snd_kcontrol *kctls[AK4114_CONTROLS]; |
170 | struct snd_pcm_substream *playback_substream; | |
171 | struct snd_pcm_substream *capture_substream; | |
239480ab | 172 | unsigned long errors[AK4114_NUM_ERRORS]; |
1da177e4 LT |
173 | unsigned char rcs0; |
174 | unsigned char rcs1; | |
c4028958 | 175 | struct delayed_work work; |
841b23d4 | 176 | unsigned int check_flags; |
1da177e4 | 177 | void *change_callback_private; |
dc4cafba | 178 | void (*change_callback)(struct ak4114 *ak4114, unsigned char c0, unsigned char c1); |
1da177e4 LT |
179 | }; |
180 | ||
dc4cafba | 181 | int snd_ak4114_create(struct snd_card *card, |
1da177e4 | 182 | ak4114_read_t *read, ak4114_write_t *write, |
e12483e0 | 183 | const unsigned char pgm[6], const unsigned char txcsb[5], |
dc4cafba TI |
184 | void *private_data, struct ak4114 **r_ak4114); |
185 | void snd_ak4114_reg_write(struct ak4114 *ak4114, unsigned char reg, unsigned char mask, unsigned char val); | |
186 | void snd_ak4114_reinit(struct ak4114 *ak4114); | |
187 | int snd_ak4114_build(struct ak4114 *ak4114, | |
188 | struct snd_pcm_substream *playback_substream, | |
189 | struct snd_pcm_substream *capture_substream); | |
190 | int snd_ak4114_external_rate(struct ak4114 *ak4114); | |
191 | int snd_ak4114_check_rate_and_errors(struct ak4114 *ak4114, unsigned int flags); | |
1da177e4 | 192 | |
1293617c TI |
193 | #ifdef CONFIG_PM |
194 | void snd_ak4114_suspend(struct ak4114 *chip); | |
195 | void snd_ak4114_resume(struct ak4114 *chip); | |
196 | #else | |
197 | static inline void snd_ak4114_suspend(struct ak4114 *chip) {} | |
198 | static inline void snd_ak4114_resume(struct ak4114 *chip) {} | |
199 | #endif | |
200 | ||
1da177e4 LT |
201 | #endif /* __SOUND_AK4114_H */ |
202 |