diff options
Diffstat (limited to 'sound/oss/ad1889.h')
| -rw-r--r-- | sound/oss/ad1889.h | 134 |
1 files changed, 134 insertions, 0 deletions
diff --git a/sound/oss/ad1889.h b/sound/oss/ad1889.h new file mode 100644 index 000000000000..e04affce1dd1 --- /dev/null +++ b/sound/oss/ad1889.h @@ -0,0 +1,134 @@ +#ifndef _AD1889_H_ +#define _AD1889_H_ + +#define AD_DSWSMC 0x00 /* DMA input wave/syn mixer control */ +#define AD_DSRAMC 0x02 /* DMA output resamp/ADC mixer control */ +#define AD_DSWADA 0x04 /* DMA input wave attenuation */ +#define AD_DSSYDA 0x06 /* DMA input syn attentuation */ +#define AD_DSWAS 0x08 /* wave input sample rate */ +#define AD_DSRES 0x0a /* resampler output sample rate */ +#define AD_DSCCS 0x0c /* chip control/status */ + +#define AD_DMARESBA 0x40 /* RES base addr */ +#define AD_DMARESCA 0x44 /* RES current addr */ +#define AD_DMARESBC 0x48 /* RES base cnt */ +#define AD_DMARESCC 0x4c /* RES current count */ +#define AD_DMAADCBA 0x50 /* ADC */ +#define AD_DMAADCCA 0x54 +#define AD_DMAADCBC 0x58 +#define AD_DMAADCCC 0x5c +#define AD_DMASYNBA 0x60 /* SYN */ +#define AD_DMASYNCA 0x64 +#define AD_DMASYNBC 0x68 +#define AD_DMASYNCC 0x6c +#define AD_DMAWAVBA 0x70 /* WAV */ +#define AD_DMAWAVCA 0x74 +#define AD_DMAWAVBC 0x78 +#define AD_DMAWAVCC 0x7c +#define AD_DMARESICC 0x80 /* RES interrupt current count */ +#define AD_DMARESIBC 0x84 /* RES interrupt base count */ +#define AD_DMAADCICC 0x88 /* ADC interrupt current count */ +#define AD_DMAADCIBC 0x8c /* ADC interrupt base count */ +#define AD_DMASYNICC 0x90 /* SYN interrupt current count */ +#define AD_DMASYNIBC 0x94 /* SYN interrupt base count */ +#define AD_DMAWAVICC 0x98 /* WAV interrupt current count */ +#define AD_DMAWAVIBC 0x9c /* WAV interrupt base count */ +#define AD_DMARESCTRL 0xa0 /* RES PCI control/status */ +#define AD_DMAADCCTRL 0xa8 /* ADC PCI control/status */ +#define AD_DMASYNCTRL 0xb0 /* SYN PCI control/status */ +#define AD_DMAWAVCTRL 0xb8 /* WAV PCI control/status */ +#define AD_DMADISR 0xc0 /* PCI DMA intr status */ +#define AD_DMACHSS 0xc4 /* PCI DMA channel stop status */ + +#define AD_GPIOIPC 0xc8 /* IO port ctrl */ +#define AD_GPIOOP 0xca /* IO output status */ +#define AD_GPIOIP 0xcc /* IO input status */ + +/* AC97 registers, 0x100 - 0x17f; see ac97.h */ +#define AD_ACIC 0x180 /* AC Link interface ctrl */ + +/* OPL3; BAR1 */ +#define AD_OPLM0AS 0x00 /* Music0 address/status */ +#define AD_OPLM0DATA 0x01 /* Music0 data */ +#define AD_OPLM1A 0x02 /* Music1 address */ +#define AD_OPLM1DATA 0x03 /* Music1 data */ +/* 0x04-0x0f reserved */ + +/* MIDI; BAR2 */ +#define AD_MIDA 0x00 /* MIDI data */ +#define AD_MISC 0x01 /* MIDI status/cmd */ +/* 0x02-0xff reserved */ + +#define AD_DSIOMEMSIZE 512 +#define AD_OPLMEMSIZE 16 +#define AD_MIDIMEMSIZE 16 + +#define AD_WAV_STATE 0 +#define AD_ADC_STATE 1 +#define AD_MAX_STATES 2 + +#define DMA_SIZE (128*1024) + +#define DMA_FLAG_MAPPED 1 + +struct ad1889_dev; + +typedef struct ad1889_state { + struct ad1889_dev *card; + + mode_t open_mode; + struct dmabuf { + unsigned int rate; + unsigned char fmt, enable; + + /* buf management */ + size_t rawbuf_size; + void *rawbuf; + dma_addr_t dma_handle; /* mapped address */ + unsigned long dma_len; /* number of bytes mapped */ + + /* indexes into rawbuf for setting up DMA engine */ + volatile unsigned long rd_ptr, wr_ptr; + + wait_queue_head_t wait; /* to wait for buf servicing */ + + /* OSS bits */ + unsigned int mapped:1; + unsigned int ready:1; + unsigned int ossfragshift; + int ossmaxfrags; + unsigned int subdivision; + } dmabuf; + + struct semaphore sem; +} ad1889_state_t; + +typedef struct ad1889_dev { + void __iomem *regbase; + struct pci_dev *pci; + + spinlock_t lock; + + int dev_audio; + + /* states; one per channel; right now only WAV and ADC */ + struct ad1889_state state[AD_MAX_STATES]; + + /* AC97 codec */ + struct ac97_codec *ac97_codec; + u16 ac97_features; + + /* debugging stuff */ + struct stats { + unsigned int wav_intrs, adc_intrs; + unsigned int blocks, underrun, error; + } stats; +} ad1889_dev_t; + +typedef struct ad1889_reg { + const char *name; + int offset; + int width; +} ad1889_reg_t; + +#endif |