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1da177e4 LT |
1 | /* |
2 | * Driver for Sound Cors PDAudioCF soundcard | |
3 | * | |
c1017a4c | 4 | * Copyright (c) 2003 by Jaroslav Kysela <perex@perex.cz> |
1da177e4 LT |
5 | * |
6 | * This program is free software; you can redistribute it and/or modify | |
7 | * it under the terms of the GNU General Public License as published by | |
8 | * the Free Software Foundation; either version 2 of the License, or | |
9 | * (at your option) any later version. | |
10 | * | |
11 | * This program is distributed in the hope that it will be useful, | |
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | * GNU General Public License for more details. | |
15 | * | |
16 | * You should have received a copy of the GNU General Public License | |
17 | * along with this program; if not, write to the Free Software | |
18 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
19 | */ | |
20 | ||
21 | #ifndef __PDAUDIOCF_H | |
22 | #define __PDAUDIOCF_H | |
23 | ||
24 | #include <sound/pcm.h> | |
ddfb3199 | 25 | #include <linux/io.h> |
1da177e4 | 26 | #include <linux/interrupt.h> |
1da177e4 LT |
27 | #include <pcmcia/cistpl.h> |
28 | #include <pcmcia/ds.h> | |
29 | ||
30 | #include <sound/ak4117.h> | |
31 | ||
32 | /* PDAUDIOCF registers */ | |
33 | #define PDAUDIOCF_REG_MD 0x00 /* music data, R/O */ | |
34 | #define PDAUDIOCF_REG_WDP 0x02 /* write data pointer / 2, R/O */ | |
35 | #define PDAUDIOCF_REG_RDP 0x04 /* read data pointer / 2, R/O */ | |
36 | #define PDAUDIOCF_REG_TCR 0x06 /* test control register W/O */ | |
37 | #define PDAUDIOCF_REG_SCR 0x08 /* status and control, R/W (see bit description) */ | |
38 | #define PDAUDIOCF_REG_ISR 0x0a /* interrupt status, R/O */ | |
39 | #define PDAUDIOCF_REG_IER 0x0c /* interrupt enable, R/W */ | |
40 | #define PDAUDIOCF_REG_AK_IFR 0x0e /* AK interface register, R/W */ | |
41 | ||
42 | /* PDAUDIOCF_REG_TCR */ | |
43 | #define PDAUDIOCF_ELIMAKMBIT (1<<0) /* simulate AKM music data */ | |
44 | #define PDAUDIOCF_TESTDATASEL (1<<1) /* test data selection, 0 = 0x55, 1 = pseudo-random */ | |
45 | ||
46 | /* PDAUDIOCF_REG_SCR */ | |
47 | #define PDAUDIOCF_AK_SBP (1<<0) /* serial port busy flag */ | |
48 | #define PDAUDIOCF_RST (1<<2) /* FPGA, AKM + SRAM buffer reset */ | |
49 | #define PDAUDIOCF_PDN (1<<3) /* power down bit */ | |
50 | #define PDAUDIOCF_CLKDIV0 (1<<4) /* choose 24.576Mhz clock divided by 1,2,3 or 4 */ | |
51 | #define PDAUDIOCF_CLKDIV1 (1<<5) | |
52 | #define PDAUDIOCF_RECORD (1<<6) /* start capturing to SRAM */ | |
53 | #define PDAUDIOCF_AK_SDD (1<<7) /* music data detected */ | |
54 | #define PDAUDIOCF_RED_LED_OFF (1<<8) /* red LED off override */ | |
55 | #define PDAUDIOCF_BLUE_LED_OFF (1<<9) /* blue LED off override */ | |
56 | #define PDAUDIOCF_DATAFMT0 (1<<10) /* data format bits: 00 = 16-bit, 01 = 18-bit */ | |
57 | #define PDAUDIOCF_DATAFMT1 (1<<11) /* 10 = 20-bit, 11 = 24-bit, all right justified */ | |
58 | #define PDAUDIOCF_FPGAREV(x) ((x>>12)&0x0f) /* FPGA revision */ | |
59 | ||
60 | /* PDAUDIOCF_REG_ISR */ | |
61 | #define PDAUDIOCF_IRQLVL (1<<0) /* Buffer level IRQ */ | |
62 | #define PDAUDIOCF_IRQOVR (1<<1) /* Overrun IRQ */ | |
63 | #define PDAUDIOCF_IRQAKM (1<<2) /* AKM IRQ */ | |
64 | ||
65 | /* PDAUDIOCF_REG_IER */ | |
66 | #define PDAUDIOCF_IRQLVLEN0 (1<<0) /* fill threshold levels; 00 = none, 01 = 1/8th of buffer */ | |
67 | #define PDAUDIOCF_IRQLVLEN1 (1<<1) /* 10 = 1/4th of buffer, 11 = 1/2th of buffer */ | |
68 | #define PDAUDIOCF_IRQOVREN (1<<2) /* enable overrun IRQ */ | |
69 | #define PDAUDIOCF_IRQAKMEN (1<<3) /* enable AKM IRQ */ | |
70 | #define PDAUDIOCF_BLUEDUTY0 (1<<8) /* blue LED duty cycle; 00 = 100%, 01 = 50% */ | |
71 | #define PDAUDIOCF_BLUEDUTY1 (1<<9) /* 02 = 25%, 11 = 12% */ | |
72 | #define PDAUDIOCF_REDDUTY0 (1<<10) /* red LED duty cycle; 00 = 100%, 01 = 50% */ | |
73 | #define PDAUDIOCF_REDDUTY1 (1<<11) /* 02 = 25%, 11 = 12% */ | |
74 | #define PDAUDIOCF_BLUESDD (1<<12) /* blue LED against SDD bit */ | |
75 | #define PDAUDIOCF_BLUEMODULATE (1<<13) /* save power when 100% duty cycle selected */ | |
76 | #define PDAUDIOCF_REDMODULATE (1<<14) /* save power when 100% duty cycle selected */ | |
77 | #define PDAUDIOCF_HALFRATE (1<<15) /* slow both LED blinks by half (also spdif detect rate) */ | |
78 | ||
79 | /* chip status */ | |
80 | #define PDAUDIOCF_STAT_IS_STALE (1<<0) | |
81 | #define PDAUDIOCF_STAT_IS_CONFIGURED (1<<1) | |
82 | #define PDAUDIOCF_STAT_IS_SUSPENDED (1<<2) | |
83 | ||
db131548 TI |
84 | struct snd_pdacf { |
85 | struct snd_card *card; | |
1da177e4 LT |
86 | int index; |
87 | ||
88 | unsigned long port; | |
89 | int irq; | |
90 | ||
91 | spinlock_t reg_lock; | |
92 | unsigned short regmap[8]; | |
93 | unsigned short suspend_reg_scr; | |
94 | struct tasklet_struct tq; | |
95 | ||
96 | spinlock_t ak4117_lock; | |
db131548 | 97 | struct ak4117 *ak4117; |
1da177e4 LT |
98 | |
99 | unsigned int chip_status; | |
100 | ||
db131548 TI |
101 | struct snd_pcm *pcm; |
102 | struct snd_pcm_substream *pcm_substream; | |
1da177e4 LT |
103 | unsigned int pcm_running: 1; |
104 | unsigned int pcm_channels; | |
105 | unsigned int pcm_swab; | |
106 | unsigned int pcm_little; | |
107 | unsigned int pcm_frame; | |
108 | unsigned int pcm_sample; | |
109 | unsigned int pcm_xor; | |
110 | unsigned int pcm_size; | |
111 | unsigned int pcm_period; | |
112 | unsigned int pcm_tdone; | |
113 | unsigned int pcm_hwptr; | |
114 | void *pcm_area; | |
115 | ||
116 | /* pcmcia stuff */ | |
fd238232 | 117 | struct pcmcia_device *p_dev; |
db131548 | 118 | }; |
1da177e4 | 119 | |
db131548 | 120 | static inline void pdacf_reg_write(struct snd_pdacf *chip, unsigned char reg, unsigned short val) |
1da177e4 LT |
121 | { |
122 | outw(chip->regmap[reg>>1] = val, chip->port + reg); | |
123 | } | |
124 | ||
db131548 | 125 | static inline unsigned short pdacf_reg_read(struct snd_pdacf *chip, unsigned char reg) |
1da177e4 LT |
126 | { |
127 | return inw(chip->port + reg); | |
128 | } | |
129 | ||
db131548 TI |
130 | struct snd_pdacf *snd_pdacf_create(struct snd_card *card); |
131 | int snd_pdacf_ak4117_create(struct snd_pdacf *pdacf); | |
132 | void snd_pdacf_powerdown(struct snd_pdacf *chip); | |
1da177e4 | 133 | #ifdef CONFIG_PM |
2cb1331d | 134 | int snd_pdacf_suspend(struct snd_pdacf *chip); |
e4f163d9 | 135 | int snd_pdacf_resume(struct snd_pdacf *chip); |
1da177e4 | 136 | #endif |
db131548 | 137 | int snd_pdacf_pcm_new(struct snd_pdacf *chip); |
7d12e780 | 138 | irqreturn_t pdacf_interrupt(int irq, void *dev); |
1da177e4 | 139 | void pdacf_tasklet(unsigned long private_data); |
db131548 | 140 | void pdacf_reinit(struct snd_pdacf *chip, int resume); |
1da177e4 LT |
141 | |
142 | #endif /* __PDAUDIOCF_H */ |