diff options
Diffstat (limited to 'kernel/sound/pcmcia/pdaudiocf/pdaudiocf.h')
| -rw-r--r-- | kernel/sound/pcmcia/pdaudiocf/pdaudiocf.h | 141 |
1 files changed, 141 insertions, 0 deletions
diff --git a/kernel/sound/pcmcia/pdaudiocf/pdaudiocf.h b/kernel/sound/pcmcia/pdaudiocf/pdaudiocf.h new file mode 100644 index 000000000..e9a7d3a78 --- /dev/null +++ b/kernel/sound/pcmcia/pdaudiocf/pdaudiocf.h @@ -0,0 +1,141 @@ +/* + * Driver for Sound Cors PDAudioCF soundcard + * + * Copyright (c) 2003 by Jaroslav Kysela <perex@perex.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 + */ + +#ifndef __PDAUDIOCF_H +#define __PDAUDIOCF_H + +#include <sound/pcm.h> +#include <linux/io.h> +#include <linux/interrupt.h> +#include <pcmcia/cistpl.h> +#include <pcmcia/ds.h> + +#include <sound/ak4117.h> + +/* PDAUDIOCF registers */ +#define PDAUDIOCF_REG_MD 0x00 /* music data, R/O */ +#define PDAUDIOCF_REG_WDP 0x02 /* write data pointer / 2, R/O */ +#define PDAUDIOCF_REG_RDP 0x04 /* read data pointer / 2, R/O */ +#define PDAUDIOCF_REG_TCR 0x06 /* test control register W/O */ +#define PDAUDIOCF_REG_SCR 0x08 /* status and control, R/W (see bit description) */ +#define PDAUDIOCF_REG_ISR 0x0a /* interrupt status, R/O */ +#define PDAUDIOCF_REG_IER 0x0c /* interrupt enable, R/W */ +#define PDAUDIOCF_REG_AK_IFR 0x0e /* AK interface register, R/W */ + +/* PDAUDIOCF_REG_TCR */ +#define PDAUDIOCF_ELIMAKMBIT (1<<0) /* simulate AKM music data */ +#define PDAUDIOCF_TESTDATASEL (1<<1) /* test data selection, 0 = 0x55, 1 = pseudo-random */ + +/* PDAUDIOCF_REG_SCR */ +#define PDAUDIOCF_AK_SBP (1<<0) /* serial port busy flag */ +#define PDAUDIOCF_RST (1<<2) /* FPGA, AKM + SRAM buffer reset */ +#define PDAUDIOCF_PDN (1<<3) /* power down bit */ +#define PDAUDIOCF_CLKDIV0 (1<<4) /* choose 24.576Mhz clock divided by 1,2,3 or 4 */ +#define PDAUDIOCF_CLKDIV1 (1<<5) +#define PDAUDIOCF_RECORD (1<<6) /* start capturing to SRAM */ +#define PDAUDIOCF_AK_SDD (1<<7) /* music data detected */ +#define PDAUDIOCF_RED_LED_OFF (1<<8) /* red LED off override */ +#define PDAUDIOCF_BLUE_LED_OFF (1<<9) /* blue LED off override */ +#define PDAUDIOCF_DATAFMT0 (1<<10) /* data format bits: 00 = 16-bit, 01 = 18-bit */ +#define PDAUDIOCF_DATAFMT1 (1<<11) /* 10 = 20-bit, 11 = 24-bit, all right justified */ +#define PDAUDIOCF_FPGAREV(x) ((x>>12)&0x0f) /* FPGA revision */ + +/* PDAUDIOCF_REG_ISR */ +#define PDAUDIOCF_IRQLVL (1<<0) /* Buffer level IRQ */ +#define PDAUDIOCF_IRQOVR (1<<1) /* Overrun IRQ */ +#define PDAUDIOCF_IRQAKM (1<<2) /* AKM IRQ */ + +/* PDAUDIOCF_REG_IER */ +#define PDAUDIOCF_IRQLVLEN0 (1<<0) /* fill threshold levels; 00 = none, 01 = 1/8th of buffer */ +#define PDAUDIOCF_IRQLVLEN1 (1<<1) /* 10 = 1/4th of buffer, 11 = 1/2th of buffer */ +#define PDAUDIOCF_IRQOVREN (1<<2) /* enable overrun IRQ */ +#define PDAUDIOCF_IRQAKMEN (1<<3) /* enable AKM IRQ */ +#define PDAUDIOCF_BLUEDUTY0 (1<<8) /* blue LED duty cycle; 00 = 100%, 01 = 50% */ +#define PDAUDIOCF_BLUEDUTY1 (1<<9) /* 02 = 25%, 11 = 12% */ +#define PDAUDIOCF_REDDUTY0 (1<<10) /* red LED duty cycle; 00 = 100%, 01 = 50% */ +#define PDAUDIOCF_REDDUTY1 (1<<11) /* 02 = 25%, 11 = 12% */ +#define PDAUDIOCF_BLUESDD (1<<12) /* blue LED against SDD bit */ +#define PDAUDIOCF_BLUEMODULATE (1<<13) /* save power when 100% duty cycle selected */ +#define PDAUDIOCF_REDMODULATE (1<<14) /* save power when 100% duty cycle selected */ +#define PDAUDIOCF_HALFRATE (1<<15) /* slow both LED blinks by half (also spdif detect rate) */ + +/* chip status */ +#define PDAUDIOCF_STAT_IS_STALE (1<<0) +#define PDAUDIOCF_STAT_IS_CONFIGURED (1<<1) +#define PDAUDIOCF_STAT_IS_SUSPENDED (1<<2) + +struct snd_pdacf { + struct snd_card *card; + int index; + + unsigned long port; + int irq; + + struct mutex reg_lock; + unsigned short regmap[8]; + unsigned short suspend_reg_scr; + + spinlock_t ak4117_lock; + struct ak4117 *ak4117; + + unsigned int chip_status; + + struct snd_pcm *pcm; + struct snd_pcm_substream *pcm_substream; + unsigned int pcm_running: 1; + unsigned int pcm_channels; + unsigned int pcm_swab; + unsigned int pcm_little; + unsigned int pcm_frame; + unsigned int pcm_sample; + unsigned int pcm_xor; + unsigned int pcm_size; + unsigned int pcm_period; + unsigned int pcm_tdone; + unsigned int pcm_hwptr; + void *pcm_area; + + /* pcmcia stuff */ + struct pcmcia_device *p_dev; +}; + +static inline void pdacf_reg_write(struct snd_pdacf *chip, unsigned char reg, unsigned short val) +{ + outw(chip->regmap[reg>>1] = val, chip->port + reg); +} + +static inline unsigned short pdacf_reg_read(struct snd_pdacf *chip, unsigned char reg) +{ + return inw(chip->port + reg); +} + +struct snd_pdacf *snd_pdacf_create(struct snd_card *card); +int snd_pdacf_ak4117_create(struct snd_pdacf *pdacf); +void snd_pdacf_powerdown(struct snd_pdacf *chip); +#ifdef CONFIG_PM +int snd_pdacf_suspend(struct snd_pdacf *chip); +int snd_pdacf_resume(struct snd_pdacf *chip); +#endif +int snd_pdacf_pcm_new(struct snd_pdacf *chip); +irqreturn_t pdacf_interrupt(int irq, void *dev); +irqreturn_t pdacf_threaded_irq(int irq, void *dev); +void pdacf_reinit(struct snd_pdacf *chip, int resume); + +#endif /* __PDAUDIOCF_H */ |