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1da177e4 LT |
1 | /* |
2 | * Driver for Sound Cors PDAudioCF soundcard | |
3 | * | |
4 | * Copyright (c) 2003 by Jaroslav Kysela <perex@suse.cz> | |
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> | |
25 | #include <asm/io.h> | |
26 | #include <linux/interrupt.h> | |
27 | #include <pcmcia/cs_types.h> | |
28 | #include <pcmcia/cs.h> | |
29 | #include <pcmcia/cistpl.h> | |
30 | #include <pcmcia/ds.h> | |
31 | ||
32 | #include <sound/ak4117.h> | |
33 | ||
34 | /* PDAUDIOCF registers */ | |
35 | #define PDAUDIOCF_REG_MD 0x00 /* music data, R/O */ | |
36 | #define PDAUDIOCF_REG_WDP 0x02 /* write data pointer / 2, R/O */ | |
37 | #define PDAUDIOCF_REG_RDP 0x04 /* read data pointer / 2, R/O */ | |
38 | #define PDAUDIOCF_REG_TCR 0x06 /* test control register W/O */ | |
39 | #define PDAUDIOCF_REG_SCR 0x08 /* status and control, R/W (see bit description) */ | |
40 | #define PDAUDIOCF_REG_ISR 0x0a /* interrupt status, R/O */ | |
41 | #define PDAUDIOCF_REG_IER 0x0c /* interrupt enable, R/W */ | |
42 | #define PDAUDIOCF_REG_AK_IFR 0x0e /* AK interface register, R/W */ | |
43 | ||
44 | /* PDAUDIOCF_REG_TCR */ | |
45 | #define PDAUDIOCF_ELIMAKMBIT (1<<0) /* simulate AKM music data */ | |
46 | #define PDAUDIOCF_TESTDATASEL (1<<1) /* test data selection, 0 = 0x55, 1 = pseudo-random */ | |
47 | ||
48 | /* PDAUDIOCF_REG_SCR */ | |
49 | #define PDAUDIOCF_AK_SBP (1<<0) /* serial port busy flag */ | |
50 | #define PDAUDIOCF_RST (1<<2) /* FPGA, AKM + SRAM buffer reset */ | |
51 | #define PDAUDIOCF_PDN (1<<3) /* power down bit */ | |
52 | #define PDAUDIOCF_CLKDIV0 (1<<4) /* choose 24.576Mhz clock divided by 1,2,3 or 4 */ | |
53 | #define PDAUDIOCF_CLKDIV1 (1<<5) | |
54 | #define PDAUDIOCF_RECORD (1<<6) /* start capturing to SRAM */ | |
55 | #define PDAUDIOCF_AK_SDD (1<<7) /* music data detected */ | |
56 | #define PDAUDIOCF_RED_LED_OFF (1<<8) /* red LED off override */ | |
57 | #define PDAUDIOCF_BLUE_LED_OFF (1<<9) /* blue LED off override */ | |
58 | #define PDAUDIOCF_DATAFMT0 (1<<10) /* data format bits: 00 = 16-bit, 01 = 18-bit */ | |
59 | #define PDAUDIOCF_DATAFMT1 (1<<11) /* 10 = 20-bit, 11 = 24-bit, all right justified */ | |
60 | #define PDAUDIOCF_FPGAREV(x) ((x>>12)&0x0f) /* FPGA revision */ | |
61 | ||
62 | /* PDAUDIOCF_REG_ISR */ | |
63 | #define PDAUDIOCF_IRQLVL (1<<0) /* Buffer level IRQ */ | |
64 | #define PDAUDIOCF_IRQOVR (1<<1) /* Overrun IRQ */ | |
65 | #define PDAUDIOCF_IRQAKM (1<<2) /* AKM IRQ */ | |
66 | ||
67 | /* PDAUDIOCF_REG_IER */ | |
68 | #define PDAUDIOCF_IRQLVLEN0 (1<<0) /* fill threshold levels; 00 = none, 01 = 1/8th of buffer */ | |
69 | #define PDAUDIOCF_IRQLVLEN1 (1<<1) /* 10 = 1/4th of buffer, 11 = 1/2th of buffer */ | |
70 | #define PDAUDIOCF_IRQOVREN (1<<2) /* enable overrun IRQ */ | |
71 | #define PDAUDIOCF_IRQAKMEN (1<<3) /* enable AKM IRQ */ | |
72 | #define PDAUDIOCF_BLUEDUTY0 (1<<8) /* blue LED duty cycle; 00 = 100%, 01 = 50% */ | |
73 | #define PDAUDIOCF_BLUEDUTY1 (1<<9) /* 02 = 25%, 11 = 12% */ | |
74 | #define PDAUDIOCF_REDDUTY0 (1<<10) /* red LED duty cycle; 00 = 100%, 01 = 50% */ | |
75 | #define PDAUDIOCF_REDDUTY1 (1<<11) /* 02 = 25%, 11 = 12% */ | |
76 | #define PDAUDIOCF_BLUESDD (1<<12) /* blue LED against SDD bit */ | |
77 | #define PDAUDIOCF_BLUEMODULATE (1<<13) /* save power when 100% duty cycle selected */ | |
78 | #define PDAUDIOCF_REDMODULATE (1<<14) /* save power when 100% duty cycle selected */ | |
79 | #define PDAUDIOCF_HALFRATE (1<<15) /* slow both LED blinks by half (also spdif detect rate) */ | |
80 | ||
81 | /* chip status */ | |
82 | #define PDAUDIOCF_STAT_IS_STALE (1<<0) | |
83 | #define PDAUDIOCF_STAT_IS_CONFIGURED (1<<1) | |
84 | #define PDAUDIOCF_STAT_IS_SUSPENDED (1<<2) | |
85 | ||
db131548 TI |
86 | struct snd_pdacf { |
87 | struct snd_card *card; | |
1da177e4 LT |
88 | int index; |
89 | ||
90 | unsigned long port; | |
91 | int irq; | |
92 | ||
93 | spinlock_t reg_lock; | |
94 | unsigned short regmap[8]; | |
95 | unsigned short suspend_reg_scr; | |
96 | struct tasklet_struct tq; | |
97 | ||
98 | spinlock_t ak4117_lock; | |
db131548 | 99 | struct ak4117 *ak4117; |
1da177e4 LT |
100 | |
101 | unsigned int chip_status; | |
102 | ||
db131548 TI |
103 | struct snd_pcm *pcm; |
104 | struct snd_pcm_substream *pcm_substream; | |
1da177e4 LT |
105 | unsigned int pcm_running: 1; |
106 | unsigned int pcm_channels; | |
107 | unsigned int pcm_swab; | |
108 | unsigned int pcm_little; | |
109 | unsigned int pcm_frame; | |
110 | unsigned int pcm_sample; | |
111 | unsigned int pcm_xor; | |
112 | unsigned int pcm_size; | |
113 | unsigned int pcm_period; | |
114 | unsigned int pcm_tdone; | |
115 | unsigned int pcm_hwptr; | |
116 | void *pcm_area; | |
117 | ||
118 | /* pcmcia stuff */ | |
119 | dev_link_t link; | |
120 | dev_node_t node; | |
db131548 | 121 | }; |
1da177e4 | 122 | |
db131548 | 123 | static inline void pdacf_reg_write(struct snd_pdacf *chip, unsigned char reg, unsigned short val) |
1da177e4 LT |
124 | { |
125 | outw(chip->regmap[reg>>1] = val, chip->port + reg); | |
126 | } | |
127 | ||
db131548 | 128 | static inline unsigned short pdacf_reg_read(struct snd_pdacf *chip, unsigned char reg) |
1da177e4 LT |
129 | { |
130 | return inw(chip->port + reg); | |
131 | } | |
132 | ||
db131548 TI |
133 | struct snd_pdacf *snd_pdacf_create(struct snd_card *card); |
134 | int snd_pdacf_ak4117_create(struct snd_pdacf *pdacf); | |
135 | void snd_pdacf_powerdown(struct snd_pdacf *chip); | |
1da177e4 | 136 | #ifdef CONFIG_PM |
e4f163d9 TI |
137 | int snd_pdacf_suspend(struct snd_pdacf *chip, pm_message_t state); |
138 | int snd_pdacf_resume(struct snd_pdacf *chip); | |
1da177e4 | 139 | #endif |
db131548 | 140 | int snd_pdacf_pcm_new(struct snd_pdacf *chip); |
1da177e4 LT |
141 | irqreturn_t pdacf_interrupt(int irq, void *dev, struct pt_regs *regs); |
142 | void pdacf_tasklet(unsigned long private_data); | |
db131548 | 143 | void pdacf_reinit(struct snd_pdacf *chip, int resume); |
1da177e4 LT |
144 | |
145 | #endif /* __PDAUDIOCF_H */ |