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