include/sound/snd_wavefront.h

   1 #ifndef __SOUND_SND_WAVEFRONT_H__
   2 #define __SOUND_SND_WAVEFRONT_H__
   3
   4 #include "mpu401.h"
   5 #include "hwdep.h"
   6 #include "rawmidi.h"
   7 #include "wavefront.h"  /* generic OSS/ALSA/user-level wavefront header */
   8
   9 /* MIDI interface */
  10
  11 struct _snd_wavefront_midi;
  12 struct _snd_wavefront_card;
  13 struct _snd_wavefront;
  14
  15 typedef struct _snd_wavefront_midi snd_wavefront_midi_t;
  16 typedef struct _snd_wavefront_card snd_wavefront_card_t;
  17 typedef struct _snd_wavefront snd_wavefront_t;
  18
  19 typedef enum { internal_mpu = 0, external_mpu = 1 } snd_wavefront_mpu_id;
  20
  21 struct _snd_wavefront_midi {
  22         unsigned long            base;        /* I/O port address */
  23         char                     isvirtual;   /* doing virtual MIDI stuff ? */
  24         char                     istimer;     /* timer is used */
  25         snd_wavefront_mpu_id     output_mpu;  /* most-recently-used */
  26         snd_wavefront_mpu_id     input_mpu;   /* most-recently-used */
  27         unsigned int             mode[2];     /* MPU401_MODE_XXX */
  28         struct snd_rawmidi_substream     *substream_output[2];
  29         struct snd_rawmidi_substream     *substream_input[2];
  30         struct timer_list        timer;
  31         spinlock_t               open;
  32         spinlock_t               virtual;     /* protects isvirtual */
  33 };
  34
  35 #define OUTPUT_READY    0x40
  36 #define INPUT_AVAIL     0x80
  37 #define MPU_ACK         0xFE
  38 #define UART_MODE_ON    0x3F
  39
  40 extern struct snd_rawmidi_ops snd_wavefront_midi_output;
  41 extern struct snd_rawmidi_ops snd_wavefront_midi_input;
  42
  43 extern void   snd_wavefront_midi_enable_virtual (snd_wavefront_card_t *);
  44 extern void   snd_wavefront_midi_disable_virtual (snd_wavefront_card_t *);
  45 extern void   snd_wavefront_midi_interrupt (snd_wavefront_card_t *);
  46 extern int    snd_wavefront_midi_start (snd_wavefront_card_t *);
  47
  48 struct _snd_wavefront {
  49         unsigned long    irq;   /* "you were one, one of the few ..." */
  50         unsigned long    base;  /* low i/o port address */
  51         struct resource  *res_base; /* i/o port resource allocation */
  52
  53 #define mpu_data_port    base
  54 #define mpu_command_port base + 1 /* write semantics */
  55 #define mpu_status_port  base + 1 /* read semantics */
  56 #define data_port        base + 2
  57 #define status_port      base + 3 /* read semantics */
  58 #define control_port     base + 3 /* write semantics  */
  59 #define block_port       base + 4 /* 16 bit, writeonly */
  60 #define last_block_port  base + 6 /* 16 bit, writeonly */
  61
  62         /* FX ports. These are mapped through the ICS2115 to the YS225.
  63            The ICS2115 takes care of flipping the relevant pins on the
  64            YS225 so that access to each of these ports does the right
  65            thing. Note: these are NOT documented by Turtle Beach.
  66         */
  67
  68 #define fx_status       base + 8
  69 #define fx_op           base + 8
  70 #define fx_lcr          base + 9
  71 #define fx_dsp_addr     base + 0xa
  72 #define fx_dsp_page     base + 0xb
  73 #define fx_dsp_lsb      base + 0xc
  74 #define fx_dsp_msb      base + 0xd
  75 #define fx_mod_addr     base + 0xe
  76 #define fx_mod_data     base + 0xf
  77
  78         volatile int irq_ok;               /* set by interrupt handler */
  79         volatile int irq_cnt;              /* ditto */
  80         char debug;                        /* debugging flags */
  81         int freemem;                       /* installed RAM, in bytes */
  82
  83         char fw_version[2];                /* major = [0], minor = [1] */
  84         char hw_version[2];                /* major = [0], minor = [1] */
  85         char israw;                        /* needs Motorola microcode */
  86         char has_fx;                       /* has FX processor (Tropez+) */
  87         char fx_initialized;               /* FX's register pages initialized */
  88         char prog_status[WF_MAX_PROGRAM];  /* WF_SLOT_* */
  89         char patch_status[WF_MAX_PATCH];   /* WF_SLOT_* */
  90         char sample_status[WF_MAX_SAMPLE]; /* WF_ST_* | WF_SLOT_* */
  91         int samples_used;                  /* how many */
  92         char interrupts_are_midi;          /* h/w MPU interrupts enabled ? */
  93         char rom_samples_rdonly;           /* can we write on ROM samples */
  94         spinlock_t irq_lock;
  95         wait_queue_head_t interrupt_sleeper;
  96         snd_wavefront_midi_t midi;         /* ICS2115 MIDI interface */
  97         struct snd_card *card;
  98 };
  99
 100 struct _snd_wavefront_card {
 101         snd_wavefront_t wavefront;
 102 #ifdef CONFIG_PNP
 103         struct pnp_dev *wss;
 104         struct pnp_dev *ctrl;
 105         struct pnp_dev *mpu;
 106         struct pnp_dev *synth;
 107 #endif /* CONFIG_PNP */
 108 };
 109
 110 extern void snd_wavefront_internal_interrupt (snd_wavefront_card_t *card);
 111 extern int  snd_wavefront_detect_irq (snd_wavefront_t *dev) ;
 112 extern int  snd_wavefront_check_irq (snd_wavefront_t *dev, int irq);
 113 extern int  snd_wavefront_restart (snd_wavefront_t *dev);
 114 extern int  snd_wavefront_start (snd_wavefront_t *dev);
 115 extern int  snd_wavefront_detect (snd_wavefront_card_t *card);
 116 extern int  snd_wavefront_config_midi (snd_wavefront_t *dev) ;
 117 extern int  snd_wavefront_cmd (snd_wavefront_t *, int, unsigned char *,
 118                                unsigned char *);
 119
 120 extern int snd_wavefront_synth_ioctl   (struct snd_hwdep *,
 121                                         struct file *,
 122                                         unsigned int cmd,
 123                                         unsigned long arg);
 124 extern int  snd_wavefront_synth_open    (struct snd_hwdep *, struct file *);
 125 extern int  snd_wavefront_synth_release (struct snd_hwdep *, struct file *);
 126
 127 /* FX processor - see also yss225.[ch] */
 128
 129 extern int  snd_wavefront_fx_start  (snd_wavefront_t *);
 130 extern int  snd_wavefront_fx_detect (snd_wavefront_t *);
 131 extern int  snd_wavefront_fx_ioctl  (struct snd_hwdep *,
 132                                      struct file *,
 133                                      unsigned int cmd,
 134                                      unsigned long arg);
 135 extern int snd_wavefront_fx_open    (struct snd_hwdep *, struct file *);
 136 extern int snd_wavefront_fx_release (struct snd_hwdep *, struct file *);
 137
 138 /* prefix in all snd_printk() delivered messages */
 139
 140 #define LOGNAME "WaveFront: "
 141
 142 #endif  /* __SOUND_SND_WAVEFRONT_H__ */