mirror of
https://github.com/torvalds/linux.git
synced 2024-11-16 00:52:01 +00:00
e74eb808ba
Signed-off-by: Stuart Brady <sdb@parisc-linux.org> Signed-off-by: Kyle McMartin <kyle@parisc-linux.org>
136 lines
3.8 KiB
C
136 lines
3.8 KiB
C
#ifndef _AD1889_H_
|
|
#define _AD1889_H_
|
|
|
|
#define AD_DS_WSMC 0x00 /* DMA input wave/syn mixer control */
|
|
#define AD_DS_RAMC 0x02 /* DMA output resamp/ADC mixer control */
|
|
#define AD_DS_WADA 0x04 /* DMA input wave attenuation */
|
|
#define AD_DS_SYDA 0x06 /* DMA input syn attentuation */
|
|
#define AD_DS_WAS 0x08 /* wave input sample rate */
|
|
#define AD_DS_RES 0x0a /* resampler output sample rate */
|
|
#define AD_DS_CCS 0x0c /* chip control/status */
|
|
|
|
#define AD_DMA_RESBA 0x40 /* RES base addr */
|
|
#define AD_DMA_RESCA 0x44 /* RES current addr */
|
|
#define AD_DMA_RESBC 0x48 /* RES base cnt */
|
|
#define AD_DMA_RESCC 0x4c /* RES current count */
|
|
#define AD_DMA_ADCBA 0x50 /* ADC */
|
|
#define AD_DMA_ADCCA 0x54
|
|
#define AD_DMA_ADCBC 0x58
|
|
#define AD_DMA_ADCCC 0x5c
|
|
#define AD_DMA_SYNBA 0x60 /* SYN */
|
|
#define AD_DMA_SYNCA 0x64
|
|
#define AD_DMA_SYNBC 0x68
|
|
#define AD_DMA_SYNCC 0x6c
|
|
#define AD_DMA_WAVBA 0x70 /* WAV */
|
|
#define AD_DMA_WAVCA 0x74
|
|
#define AD_DMA_WAVBC 0x78
|
|
#define AD_DMA_WAVCC 0x7c
|
|
#define AD_DMA_RESICC 0x80 /* RES interrupt current count */
|
|
#define AD_DMA_RESIBC 0x84 /* RES interrupt base count */
|
|
#define AD_DMA_ADCICC 0x88 /* ADC interrupt current count */
|
|
#define AD_DMA_ADCIBC 0x8c /* ADC interrupt base count */
|
|
#define AD_DMA_SYNICC 0x90 /* SYN interrupt current count */
|
|
#define AD_DMA_SYNIBC 0x94 /* SYN interrupt base count */
|
|
#define AD_DMA_WAVICC 0x98 /* WAV interrupt current count */
|
|
#define AD_DMA_WAVIBC 0x9c /* WAV interrupt base count */
|
|
#define AD_DMA_RESCTRL 0xa0 /* RES PCI control/status */
|
|
#define AD_DMA_ADCCTRL 0xa8 /* ADC PCI control/status */
|
|
#define AD_DMA_SYNCTRL 0xb0 /* SYN PCI control/status */
|
|
#define AD_DMA_WAVCTRL 0xb8 /* WAV PCI control/status */
|
|
#define AD_DMA_DISR 0xc0 /* PCI DMA intr status */
|
|
#define AD_DMA_CHSS 0xc4 /* PCI DMA channel stop status */
|
|
|
|
#define AD_GPIO_IPC 0xc8 /* IO port ctrl */
|
|
#define AD_GPIO_OP 0xca /* IO output status */
|
|
#define AD_GPIO_IP 0xcc /* IO input status */
|
|
|
|
/* AC97 registers, 0x100 - 0x17f; see ac97.h */
|
|
#define AD_AC97_BASE 0x100 /* ac97 base register */
|
|
#define AD_AC97_ACIC 0x180 /* AC Link interface ctrl */
|
|
|
|
/* OPL3; BAR1 */
|
|
#define AD_OPL_M0AS 0x00 /* Music0 address/status */
|
|
#define AD_OPL_M0DATA 0x01 /* Music0 data */
|
|
#define AD_OPL_M1A 0x02 /* Music1 address */
|
|
#define AD_OPL_M1DATA 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_DS_IOMEMSIZE 512
|
|
#define AD_OPL_MEMSIZE 16
|
|
#define AD_MIDI_MEMSIZE 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 mutex mutex;
|
|
} 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
|