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2 * Driver for Sound Cors PDAudioCF soundcard
4 * Copyright (c) 2003 by Jaroslav Kysela <perex@perex.cz>
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.
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.
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
24 #include <sound/pcm.h>
26 #include <linux/interrupt.h>
27 #include <pcmcia/cistpl.h>
28 #include <pcmcia/ds.h>
30 #include <sound/ak4117.h>
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 */
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 */
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 */
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 */
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) */
80 #define PDAUDIOCF_STAT_IS_STALE (1<<0)
81 #define PDAUDIOCF_STAT_IS_CONFIGURED (1<<1)
82 #define PDAUDIOCF_STAT_IS_SUSPENDED (1<<2)
85 struct snd_card
*card
;
92 unsigned short regmap
[8];
93 unsigned short suspend_reg_scr
;
94 struct tasklet_struct tq
;
96 spinlock_t ak4117_lock
;
97 struct ak4117
*ak4117
;
99 unsigned int chip_status
;
102 struct snd_pcm_substream
*pcm_substream
;
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
;
117 struct pcmcia_device
*p_dev
;
120 static inline void pdacf_reg_write(struct snd_pdacf
*chip
, unsigned char reg
, unsigned short val
)
122 outw(chip
->regmap
[reg
>>1] = val
, chip
->port
+ reg
);
125 static inline unsigned short pdacf_reg_read(struct snd_pdacf
*chip
, unsigned char reg
)
127 return inw(chip
->port
+ reg
);
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
);
134 int snd_pdacf_suspend(struct snd_pdacf
*chip
, pm_message_t state
);
135 int snd_pdacf_resume(struct snd_pdacf
*chip
);
137 int snd_pdacf_pcm_new(struct snd_pdacf
*chip
);
138 irqreturn_t
pdacf_interrupt(int irq
, void *dev
);
139 void pdacf_tasklet(unsigned long private_data
);
140 void pdacf_reinit(struct snd_pdacf
*chip
, int resume
);
142 #endif /* __PDAUDIOCF_H */