diff options
Diffstat (limited to 'sys/dev/pcm/isa/sb.h')
| -rw-r--r-- | sys/dev/pcm/isa/sb.h | 45 |
1 files changed, 26 insertions, 19 deletions
diff --git a/sys/dev/pcm/isa/sb.h b/sys/dev/pcm/isa/sb.h index 8548997..d7a24d5 100644 --- a/sys/dev/pcm/isa/sb.h +++ b/sys/dev/pcm/isa/sb.h @@ -28,19 +28,34 @@ extern int sbc_major, sbc_minor ; * DSP Commands. There are many, and in many cases they are used explicitly */ +/* these are not used except for programmed I/O (not in this driver) */ #define DSP_DAC8 0x10 /* direct DAC output */ +#define DSP_ADC8 0x20 /* direct ADC input */ + +/* these should be used in the SB 1.0 */ #define DSP_CMD_DAC8 0x14 /* single cycle 8-bit dma out */ +#define DSP_CMD_ADC8 0x24 /* single cycle 8-bit dma in */ + +/* these should be used in the SB 2.0 and 2.01 */ +#define DSP_CMD_DAC8_AUTO 0x1c /* auto 8-bit dma out */ +#define DSP_CMD_ADC8_AUTO 0x2c /* auto 8-bit dma out */ + +#define DSP_CMD_HSSIZE 0x48 /* high speed dma count */ +#define DSP_CMD_HSDAC_AUTO 0x90 /* high speed dac, auto */ +#define DSP_CMD_HSADC_AUTO 0x98 /* high speed adc, auto */ + +/* SBPro commands. Some cards (JAZZ, SMW) also support 16 bits */ + + /* prepare for dma input */ +#define DSP_CMD_DMAMODE(stereo, bit16) (0xA0 | (stereo ? 8:0) | (bit16 ? 4:0)) + #define DSP_CMD_DAC2 0x16 /* 2-bit adpcm dma out (cont) */ #define DSP_CMD_DAC2S 0x17 /* 2-bit adpcm dma out (start) */ -#define DSP_CMD_DAC8_A 0x1c /* auto 8-bit dma out */ -#define DSP_CMD_DAC2S_A 0x1f /* auto 2-bit adpcm dma out (start) */ - -#define DSP_ADC8 0x20 /* direct ADC input */ +#define DSP_CMD_DAC2S_AUTO 0x1f /* auto 2-bit adpcm dma out (start) */ -#define DSP_CMD_ADC8 0x24 /* single cycle 8-bit dma in */ -#define DSP_CMD_ADC8_A 0x2c /* auto 8-bit dma out */ +/* SB16 commands */ #define DSP_CMD_O16 0xb0 #define DSP_CMD_I16 0xb8 #define DSP_CMD_O8 0xc0 @@ -54,30 +69,22 @@ extern int sbc_major, sbc_minor ; #define DSP_CMD_SPKON 0xD1 #define DSP_CMD_SPKOFF 0xD3 #define DSP_CMD_SPKR(on) (0xD1 | (on ? 0:2)) -#define DSP_CMD_DMAON 0xD0 /* ??? the comment says Halt DMA */ -#define DSP_CMD_DMAOFF 0xD4 /* ??? comment says continue dma */ -#define DSP_CMD_DMAHALT 0xD0 +#define DSP_CMD_DMAPAUSE_8 0xD0 +#define DSP_CMD_DMAPAUSE_16 0xD5 +#define DSP_CMD_DMAEXIT_8 0xDA +#define DSP_CMD_DMAEXIT_16 0xD9 #define DSP_CMD_TCONST 0x40 /* set time constant */ -#define DSP_CMD_HSSIZE 0x48 /* high speed dma count */ #define DSP_CMD_HSDAC 0x91 /* high speed dac */ -#define DSP_CMD_HSADC 0x99 /* high speed adc */ +#define DSP_CMD_HSADC 0x99 /* high speed adc */ #define DSP_CMD_GETVER 0xE1 #define DSP_CMD_GETID 0xE7 /* return id bytes */ - /* prepare for dma input */ -#define DSP_CMD_DMAMODE(stereo, bit16) (0xA0 | (stereo ? 8:0) | (bit16 ? 4:0)) #define DSP_CMD_OUT16 0x41 /* send parms for dma out on sb16 */ #define DSP_CMD_IN16 0x42 /* send parms for dma in on sb16 */ #if 0 /*** unknown ***/ - /* - * D9 and D5 are used on the sb16 on close... maybe a reset of - * some subsystem ? - */ -#define DSP_CMD_D9 0xD9 -#define DSP_CMD_D5 0xD5 #define DSP_CMD_FA 0xFA /* get version from prosonic*/ #define DSP_CMD_FB 0xFB /* set irq/dma for prosonic*/ #endif |
