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128 lines
4.5 KiB
128 lines
4.5 KiB
/* SPDX-License-Identifier: GPL-2.0-or-later */ |
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/* |
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* Driver for Sound Cors PDAudioCF soundcard |
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* |
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* Copyright (c) 2003 by Jaroslav Kysela <[email protected]> |
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*/ |
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#ifndef __PDAUDIOCF_H |
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#define __PDAUDIOCF_H |
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#include <sound/pcm.h> |
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#include <linux/io.h> |
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#include <linux/interrupt.h> |
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#include <pcmcia/cistpl.h> |
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#include <pcmcia/ds.h> |
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#include <sound/ak4117.h> |
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/* PDAUDIOCF registers */ |
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#define PDAUDIOCF_REG_MD 0x00 /* music data, R/O */ |
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#define PDAUDIOCF_REG_WDP 0x02 /* write data pointer / 2, R/O */ |
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#define PDAUDIOCF_REG_RDP 0x04 /* read data pointer / 2, R/O */ |
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#define PDAUDIOCF_REG_TCR 0x06 /* test control register W/O */ |
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#define PDAUDIOCF_REG_SCR 0x08 /* status and control, R/W (see bit description) */ |
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#define PDAUDIOCF_REG_ISR 0x0a /* interrupt status, R/O */ |
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#define PDAUDIOCF_REG_IER 0x0c /* interrupt enable, R/W */ |
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#define PDAUDIOCF_REG_AK_IFR 0x0e /* AK interface register, R/W */ |
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/* PDAUDIOCF_REG_TCR */ |
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#define PDAUDIOCF_ELIMAKMBIT (1<<0) /* simulate AKM music data */ |
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#define PDAUDIOCF_TESTDATASEL (1<<1) /* test data selection, 0 = 0x55, 1 = pseudo-random */ |
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/* PDAUDIOCF_REG_SCR */ |
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#define PDAUDIOCF_AK_SBP (1<<0) /* serial port busy flag */ |
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#define PDAUDIOCF_RST (1<<2) /* FPGA, AKM + SRAM buffer reset */ |
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#define PDAUDIOCF_PDN (1<<3) /* power down bit */ |
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#define PDAUDIOCF_CLKDIV0 (1<<4) /* choose 24.576Mhz clock divided by 1,2,3 or 4 */ |
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#define PDAUDIOCF_CLKDIV1 (1<<5) |
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#define PDAUDIOCF_RECORD (1<<6) /* start capturing to SRAM */ |
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#define PDAUDIOCF_AK_SDD (1<<7) /* music data detected */ |
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#define PDAUDIOCF_RED_LED_OFF (1<<8) /* red LED off override */ |
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#define PDAUDIOCF_BLUE_LED_OFF (1<<9) /* blue LED off override */ |
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#define PDAUDIOCF_DATAFMT0 (1<<10) /* data format bits: 00 = 16-bit, 01 = 18-bit */ |
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#define PDAUDIOCF_DATAFMT1 (1<<11) /* 10 = 20-bit, 11 = 24-bit, all right justified */ |
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#define PDAUDIOCF_FPGAREV(x) ((x>>12)&0x0f) /* FPGA revision */ |
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/* PDAUDIOCF_REG_ISR */ |
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#define PDAUDIOCF_IRQLVL (1<<0) /* Buffer level IRQ */ |
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#define PDAUDIOCF_IRQOVR (1<<1) /* Overrun IRQ */ |
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#define PDAUDIOCF_IRQAKM (1<<2) /* AKM IRQ */ |
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/* PDAUDIOCF_REG_IER */ |
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#define PDAUDIOCF_IRQLVLEN0 (1<<0) /* fill threshold levels; 00 = none, 01 = 1/8th of buffer */ |
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#define PDAUDIOCF_IRQLVLEN1 (1<<1) /* 10 = 1/4th of buffer, 11 = 1/2th of buffer */ |
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#define PDAUDIOCF_IRQOVREN (1<<2) /* enable overrun IRQ */ |
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#define PDAUDIOCF_IRQAKMEN (1<<3) /* enable AKM IRQ */ |
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#define PDAUDIOCF_BLUEDUTY0 (1<<8) /* blue LED duty cycle; 00 = 100%, 01 = 50% */ |
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#define PDAUDIOCF_BLUEDUTY1 (1<<9) /* 02 = 25%, 11 = 12% */ |
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#define PDAUDIOCF_REDDUTY0 (1<<10) /* red LED duty cycle; 00 = 100%, 01 = 50% */ |
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#define PDAUDIOCF_REDDUTY1 (1<<11) /* 02 = 25%, 11 = 12% */ |
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#define PDAUDIOCF_BLUESDD (1<<12) /* blue LED against SDD bit */ |
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#define PDAUDIOCF_BLUEMODULATE (1<<13) /* save power when 100% duty cycle selected */ |
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#define PDAUDIOCF_REDMODULATE (1<<14) /* save power when 100% duty cycle selected */ |
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#define PDAUDIOCF_HALFRATE (1<<15) /* slow both LED blinks by half (also spdif detect rate) */ |
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/* chip status */ |
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#define PDAUDIOCF_STAT_IS_STALE (1<<0) |
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#define PDAUDIOCF_STAT_IS_CONFIGURED (1<<1) |
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#define PDAUDIOCF_STAT_IS_SUSPENDED (1<<2) |
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struct snd_pdacf { |
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struct snd_card *card; |
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int index; |
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unsigned long port; |
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int irq; |
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struct mutex reg_lock; |
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unsigned short regmap[8]; |
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unsigned short suspend_reg_scr; |
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spinlock_t ak4117_lock; |
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struct ak4117 *ak4117; |
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unsigned int chip_status; |
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struct snd_pcm *pcm; |
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struct snd_pcm_substream *pcm_substream; |
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unsigned int pcm_running: 1; |
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unsigned int pcm_channels; |
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unsigned int pcm_swab; |
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unsigned int pcm_little; |
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unsigned int pcm_frame; |
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unsigned int pcm_sample; |
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unsigned int pcm_xor; |
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unsigned int pcm_size; |
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unsigned int pcm_period; |
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unsigned int pcm_tdone; |
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unsigned int pcm_hwptr; |
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void *pcm_area; |
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/* pcmcia stuff */ |
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struct pcmcia_device *p_dev; |
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}; |
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static inline void pdacf_reg_write(struct snd_pdacf *chip, unsigned char reg, unsigned short val) |
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{ |
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outw(chip->regmap[reg>>1] = val, chip->port + reg); |
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} |
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static inline unsigned short pdacf_reg_read(struct snd_pdacf *chip, unsigned char reg) |
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{ |
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return inw(chip->port + reg); |
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} |
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struct snd_pdacf *snd_pdacf_create(struct snd_card *card); |
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int snd_pdacf_ak4117_create(struct snd_pdacf *pdacf); |
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void snd_pdacf_powerdown(struct snd_pdacf *chip); |
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#ifdef CONFIG_PM |
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int snd_pdacf_suspend(struct snd_pdacf *chip); |
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int snd_pdacf_resume(struct snd_pdacf *chip); |
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#endif |
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int snd_pdacf_pcm_new(struct snd_pdacf *chip); |
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irqreturn_t pdacf_interrupt(int irq, void *dev); |
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irqreturn_t pdacf_threaded_irq(int irq, void *dev); |
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void pdacf_reinit(struct snd_pdacf *chip, int resume); |
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#endif /* __PDAUDIOCF_H */
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