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#define DSP_RESET (devc->base + 0x6)
#define DSP_READ (devc->base + 0xA)
#define DSP_WRITE (devc->base + 0xC)
#define DSP_COMMAND (devc->base + 0xC)
#define DSP_STATUS (devc->base + 0xC)
#define DSP_DATA_AVAIL (devc->base + 0xE)
#define DSP_DATA_AVL16 (devc->base + 0xF)
#define MIXER_ADDR (devc->base + 0x4)
#define MIXER_DATA (devc->base + 0x5)
#define OPL3_LEFT (devc->base + 0x0)
#define OPL3_RIGHT (devc->base + 0x2)
#define OPL3_BOTH (devc->base + 0x8)
/* DSP Commands */
#define DSP_CMD_SPKON 0xD1
#define DSP_CMD_SPKOFF 0xD3
#define DSP_CMD_DMAON 0xD0
#define DSP_CMD_DMAOFF 0xD4
#define IMODE_NONE 0
#define IMODE_OUTPUT PCM_ENABLE_OUTPUT
#define IMODE_INPUT PCM_ENABLE_INPUT
#define IMODE_INIT 3
#define IMODE_MIDI 4
#define NORMAL_MIDI 0
#define UART_MIDI 1
/*
* Device models
*/
#define MDL_NONE 0
#define MDL_SB1 1 /* SB1.0 or 1.5 */
#define MDL_SB2 2 /* SB2.0 */
#define MDL_SB201 3 /* SB2.01 */
#define MDL_SBPRO 4 /* SB Pro */
#define MDL_SB16 5 /* SB16/32/AWE */
#define MDL_SBPNP 6 /* SB16/32/AWE PnP */
#define MDL_JAZZ 10 /* Media Vision Jazz16 */
#define MDL_SMW 11 /* Logitech SoundMan Wave (Jazz16) */
#define MDL_ESS 12 /* ESS ES688 and ES1688 */
#define MDL_AZTECH 13 /* Aztech Sound Galaxy family */
#define MDL_ES1868MIDI 14 /* MIDI port of ESS1868 */
#define MDL_AEDSP 15 /* Audio Excel DSP 16 */
/*
* Config flags
*/
#define SB_NO_MIDI 0x00000001
#define SB_NO_MIXER 0x00000002
#define SB_NO_AUDIO 0x00000004
#define SB_NO_RECORDING 0x00000008 /* No audio recording */
#define SB_MIDI_ONLY (SB_NO_AUDIO|SB_NO_MIXER)
struct mixer_def {
unsigned int regno: 8;
unsigned int bitoffs:4;
unsigned int nbits:4;
};
typedef struct mixer_def mixer_tab[32][2];
typedef struct mixer_def mixer_ent;
typedef struct sb_devc {
int dev;
/* Hardware parameters */
int *osp;
int minor, major;
int type;
int model, submodel;
int caps;
# define SBCAP_STEREO 0x00000001
# define SBCAP_16BITS 0x00000002
/* Hardware resources */
int base;
int irq;
int dma8, dma16;
/* State variables */
int opened;
int speed, bits, channels;
volatile int irq_ok;
volatile int intr_active, irq_mode;
/* Mixer fields */
int *levels;
mixer_tab *iomap;
int mixer_caps, recmask, supported_devices;
int supported_rec_devices;
int my_mixerdev;
int sbmixnum;
/* Audio fields */
unsigned long trg_buf;
int trigger_bits;
int trg_bytes;
int trg_intrflag;
int trg_restart;
unsigned char tconst;
int my_dev;
/* MIDI fields */
int my_mididev;
int input_opened;
int midi_broken;
void (*midi_input_intr) (int dev, unsigned char data);
} sb_devc;
int sb_dsp_command (sb_devc *devc, unsigned char val);
int sb_dsp_reset (sb_devc *devc);
void sb_setmixer (sb_devc *devc, unsigned int port, unsigned int value);
unsigned int sb_getmixer (sb_devc *devc, unsigned int port);
int sb_dsp_detect (struct address_info *hw_config);
void sb_dsp_init (struct address_info *hw_config);
void sb_dsp_unload(struct address_info *hw_config);
int sb_mixer_init(sb_devc *devc);
void sb_mixer_set_stereo (sb_devc *devc, int mode);
void smw_mixer_init(sb_devc *devc);
void sb_dsp_midi_init (sb_devc *devc);
void sb_audio_init (sb_devc *devc, char *name);
void sb_midi_interrupt (sb_devc *devc);
int ess_write (sb_devc *devc, unsigned char reg, unsigned char data);
int ess_read (sb_devc *devc, unsigned char reg);
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