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Diffstat (limited to '')
| -rw-r--r-- | include/sound/snd_wavefront.h | 144 |
1 files changed, 144 insertions, 0 deletions
diff --git a/include/sound/snd_wavefront.h b/include/sound/snd_wavefront.h new file mode 100644 index 000000000..55053557c --- /dev/null +++ b/include/sound/snd_wavefront.h @@ -0,0 +1,144 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef __SOUND_SND_WAVEFRONT_H__ +#define __SOUND_SND_WAVEFRONT_H__ + +#include <sound/mpu401.h> +#include <sound/hwdep.h> +#include <sound/rawmidi.h> +#include <sound/wavefront.h> /* generic OSS/ALSA/user-level wavefront header */ + +/* MIDI interface */ + +struct _snd_wavefront_midi; +struct _snd_wavefront_card; +struct _snd_wavefront; + +typedef struct _snd_wavefront_midi snd_wavefront_midi_t; +typedef struct _snd_wavefront_card snd_wavefront_card_t; +typedef struct _snd_wavefront snd_wavefront_t; + +typedef enum { internal_mpu = 0, external_mpu = 1 } snd_wavefront_mpu_id; + +struct _snd_wavefront_midi { + unsigned long base; /* I/O port address */ + char isvirtual; /* doing virtual MIDI stuff ? */ + char istimer; /* timer is used */ + snd_wavefront_mpu_id output_mpu; /* most-recently-used */ + snd_wavefront_mpu_id input_mpu; /* most-recently-used */ + unsigned int mode[2]; /* MPU401_MODE_XXX */ + struct snd_rawmidi_substream *substream_output[2]; + struct snd_rawmidi_substream *substream_input[2]; + struct timer_list timer; + snd_wavefront_card_t *timer_card; + spinlock_t open; + spinlock_t virtual; /* protects isvirtual */ +}; + +#define OUTPUT_READY 0x40 +#define INPUT_AVAIL 0x80 +#define MPU_ACK 0xFE +#define UART_MODE_ON 0x3F + +extern const struct snd_rawmidi_ops snd_wavefront_midi_output; +extern const struct snd_rawmidi_ops snd_wavefront_midi_input; + +extern void snd_wavefront_midi_enable_virtual (snd_wavefront_card_t *); +extern void snd_wavefront_midi_disable_virtual (snd_wavefront_card_t *); +extern void snd_wavefront_midi_interrupt (snd_wavefront_card_t *); +extern int snd_wavefront_midi_start (snd_wavefront_card_t *); + +struct _snd_wavefront { + unsigned long irq; /* "you were one, one of the few ..." */ + unsigned long base; /* low i/o port address */ + struct resource *res_base; /* i/o port resource allocation */ + +#define mpu_data_port base +#define mpu_command_port base + 1 /* write semantics */ +#define mpu_status_port base + 1 /* read semantics */ +#define data_port base + 2 +#define status_port base + 3 /* read semantics */ +#define control_port base + 3 /* write semantics */ +#define block_port base + 4 /* 16 bit, writeonly */ +#define last_block_port base + 6 /* 16 bit, writeonly */ + + /* FX ports. These are mapped through the ICS2115 to the YS225. + The ICS2115 takes care of flipping the relevant pins on the + YS225 so that access to each of these ports does the right + thing. Note: these are NOT documented by Turtle Beach. + */ + +#define fx_status base + 8 +#define fx_op base + 8 +#define fx_lcr base + 9 +#define fx_dsp_addr base + 0xa +#define fx_dsp_page base + 0xb +#define fx_dsp_lsb base + 0xc +#define fx_dsp_msb base + 0xd +#define fx_mod_addr base + 0xe +#define fx_mod_data base + 0xf + + volatile int irq_ok; /* set by interrupt handler */ + volatile int irq_cnt; /* ditto */ + char debug; /* debugging flags */ + int freemem; /* installed RAM, in bytes */ + + char fw_version[2]; /* major = [0], minor = [1] */ + char hw_version[2]; /* major = [0], minor = [1] */ + char israw; /* needs Motorola microcode */ + char has_fx; /* has FX processor (Tropez+) */ + char fx_initialized; /* FX's register pages initialized */ + char prog_status[WF_MAX_PROGRAM]; /* WF_SLOT_* */ + char patch_status[WF_MAX_PATCH]; /* WF_SLOT_* */ + char sample_status[WF_MAX_SAMPLE]; /* WF_ST_* | WF_SLOT_* */ + int samples_used; /* how many */ + char interrupts_are_midi; /* h/w MPU interrupts enabled ? */ + char rom_samples_rdonly; /* can we write on ROM samples */ + spinlock_t irq_lock; + wait_queue_head_t interrupt_sleeper; + snd_wavefront_midi_t midi; /* ICS2115 MIDI interface */ + struct snd_card *card; +}; + +struct _snd_wavefront_card { + snd_wavefront_t wavefront; +#ifdef CONFIG_PNP + struct pnp_dev *wss; + struct pnp_dev *ctrl; + struct pnp_dev *mpu; + struct pnp_dev *synth; +#endif /* CONFIG_PNP */ +}; + +extern void snd_wavefront_internal_interrupt (snd_wavefront_card_t *card); +extern int snd_wavefront_detect_irq (snd_wavefront_t *dev) ; +extern int snd_wavefront_check_irq (snd_wavefront_t *dev, int irq); +extern int snd_wavefront_restart (snd_wavefront_t *dev); +extern int snd_wavefront_start (snd_wavefront_t *dev); +extern int snd_wavefront_detect (snd_wavefront_card_t *card); +extern int snd_wavefront_config_midi (snd_wavefront_t *dev) ; +extern int snd_wavefront_cmd (snd_wavefront_t *, int, unsigned char *, + unsigned char *); + +extern int snd_wavefront_synth_ioctl (struct snd_hwdep *, + struct file *, + unsigned int cmd, + unsigned long arg); +extern int snd_wavefront_synth_open (struct snd_hwdep *, struct file *); +extern int snd_wavefront_synth_release (struct snd_hwdep *, struct file *); + +/* FX processor - see also yss225.[ch] */ + +extern int snd_wavefront_fx_start (snd_wavefront_t *); +extern int snd_wavefront_fx_detect (snd_wavefront_t *); +extern int snd_wavefront_fx_ioctl (struct snd_hwdep *, + struct file *, + unsigned int cmd, + unsigned long arg); +extern int snd_wavefront_fx_open (struct snd_hwdep *, struct file *); +extern int snd_wavefront_fx_release (struct snd_hwdep *, struct file *); + +/* prefix in all snd_printk() delivered messages */ + +#define LOGNAME "WaveFront: " + +#endif /* __SOUND_SND_WAVEFRONT_H__ */ |