include/sound/snd_wavefront.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 #ifndef __SOUND_SND_WAVEFRONT_H__
   3 #define __SOUND_SND_WAVEFRONT_H__
   4
   5 #include <sound/mpu401.h>
   6 #include <sound/hwdep.h>
   7 #include <sound/rawmidi.h>
   8 #include <sound/wavefront.h>  /* generic OSS/ALSA/user-level wavefront header */
   9
  10 /* MIDI interface */
  11
  12 struct _snd_wavefront_midi;
  13 struct _snd_wavefront_card;
  14 struct _snd_wavefront;
  15
  16 typedef struct _snd_wavefront_midi snd_wavefront_midi_t;
  17 typedef struct _snd_wavefront_card snd_wavefront_card_t;
  18 typedef struct _snd_wavefront snd_wavefront_t;
  19
  20 typedef enum { internal_mpu = 0, external_mpu = 1 } snd_wavefront_mpu_id;
  21
  22 struct _snd_wavefront_midi {
  23         unsigned long            base;        /* I/O port address */
  24         char                     isvirtual;   /* doing virtual MIDI stuff ? */
  25         char                     istimer;     /* timer is used */
  26         snd_wavefront_mpu_id     output_mpu;  /* most-recently-used */
  27         snd_wavefront_mpu_id     input_mpu;   /* most-recently-used */
  28         unsigned int             mode[2];     /* MPU401_MODE_XXX */
  29         struct snd_rawmidi_substream     *substream_output[2];
  30         struct snd_rawmidi_substream     *substream_input[2];
  31         struct timer_list        timer;
  32         snd_wavefront_card_t     *timer_card;
  33         spinlock_t               open;
  34         spinlock_t               virtual;     /* protects isvirtual */
  35 };
  36
  37 #define OUTPUT_READY    0x40
  38 #define INPUT_AVAIL     0x80
  39 #define MPU_ACK         0xFE
  40 #define UART_MODE_ON    0x3F
  41
  42 extern const struct snd_rawmidi_ops snd_wavefront_midi_output;
  43 extern const struct snd_rawmidi_ops snd_wavefront_midi_input;
  44
  45 extern void   snd_wavefront_midi_enable_virtual (snd_wavefront_card_t *);
  46 extern void   snd_wavefront_midi_disable_virtual (snd_wavefront_card_t *);
  47 extern void   snd_wavefront_midi_interrupt (snd_wavefront_card_t *);
  48 extern int    snd_wavefront_midi_start (snd_wavefront_card_t *);
  49
  50 struct _snd_wavefront {
  51         unsigned long    irq;   /* "you were one, one of the few ..." */
  52         unsigned long    base;  /* low i/o port address */
  53         struct resource  *res_base; /* i/o port resource allocation */
  54
  55 #define mpu_data_port    base
  56 #define mpu_command_port base + 1 /* write semantics */
  57 #define mpu_status_port  base + 1 /* read semantics */
  58 #define data_port        base + 2
  59 #define status_port      base + 3 /* read semantics */
  60 #define control_port     base + 3 /* write semantics  */
  61 #define block_port       base + 4 /* 16 bit, writeonly */
  62 #define last_block_port  base + 6 /* 16 bit, writeonly */
  63
  64         /* FX ports. These are mapped through the ICS2115 to the YS225.
  65            The ICS2115 takes care of flipping the relevant pins on the
  66            YS225 so that access to each of these ports does the right
  67            thing. Note: these are NOT documented by Turtle Beach.
  68         */
  69
  70 #define fx_status       base + 8
  71 #define fx_op           base + 8
  72 #define fx_lcr          base + 9
  73 #define fx_dsp_addr     base + 0xa
  74 #define fx_dsp_page     base + 0xb
  75 #define fx_dsp_lsb      base + 0xc
  76 #define fx_dsp_msb      base + 0xd
  77 #define fx_mod_addr     base + 0xe
  78 #define fx_mod_data     base + 0xf
  79
  80         volatile int irq_ok;               /* set by interrupt handler */
  81         volatile int irq_cnt;              /* ditto */
  82         char debug;                        /* debugging flags */
  83         int freemem;                       /* installed RAM, in bytes */
  84
  85         char fw_version[2];                /* major = [0], minor = [1] */
  86         char hw_version[2];                /* major = [0], minor = [1] */
  87         char israw;                        /* needs Motorola microcode */
  88         char has_fx;                       /* has FX processor (Tropez+) */
  89         char fx_initialized;               /* FX's register pages initialized */
  90         char prog_status[WF_MAX_PROGRAM];  /* WF_SLOT_* */
  91         char patch_status[WF_MAX_PATCH];   /* WF_SLOT_* */
  92         char sample_status[WF_MAX_SAMPLE]; /* WF_ST_* | WF_SLOT_* */
  93         int samples_used;                  /* how many */
  94         char interrupts_are_midi;          /* h/w MPU interrupts enabled ? */
  95         char rom_samples_rdonly;           /* can we write on ROM samples */
  96         spinlock_t irq_lock;
  97         wait_queue_head_t interrupt_sleeper;
  98         snd_wavefront_midi_t midi;         /* ICS2115 MIDI interface */
  99         struct snd_card *card;
 100 };
 101
 102 struct _snd_wavefront_card {
 103         snd_wavefront_t wavefront;
 104 #ifdef CONFIG_PNP
 105         struct pnp_dev *wss;
 106         struct pnp_dev *ctrl;
 107         struct pnp_dev *mpu;
 108         struct pnp_dev *synth;
 109 #endif /* CONFIG_PNP */
 110 };
 111
 112 extern void snd_wavefront_internal_interrupt (snd_wavefront_card_t *card);
 113 extern int  snd_wavefront_detect_irq (snd_wavefront_t *dev) ;
 114 extern int  snd_wavefront_check_irq (snd_wavefront_t *dev, int irq);
 115 extern int  snd_wavefront_restart (snd_wavefront_t *dev);
 116 extern int  snd_wavefront_start (snd_wavefront_t *dev);
 117 extern int  snd_wavefront_detect (snd_wavefront_card_t *card);
 118 extern int  snd_wavefront_config_midi (snd_wavefront_t *dev) ;
 119 extern int  snd_wavefront_cmd (snd_wavefront_t *, int, unsigned char *,
 120                                unsigned char *);
 121
 122 extern int snd_wavefront_synth_ioctl   (struct snd_hwdep *,
 123                                         struct file *,
 124                                         unsigned int cmd,
 125                                         unsigned long arg);
 126 extern int  snd_wavefront_synth_open    (struct snd_hwdep *, struct file *);
 127 extern int  snd_wavefront_synth_release (struct snd_hwdep *, struct file *);
 128
 129 /* FX processor - see also yss225.[ch] */
 130
 131 extern int  snd_wavefront_fx_start  (snd_wavefront_t *);
 132 extern int  snd_wavefront_fx_detect (snd_wavefront_t *);
 133 extern int  snd_wavefront_fx_ioctl  (struct snd_hwdep *,
 134                                      struct file *,
 135                                      unsigned int cmd,
 136                                      unsigned long arg);
 137 extern int snd_wavefront_fx_open    (struct snd_hwdep *, struct file *);
 138 extern int snd_wavefront_fx_release (struct snd_hwdep *, struct file *);
 139
 140 /* prefix in all snd_printk() delivered messages */
 141
 142 #define LOGNAME "WaveFront: "
 143
 144 #endif  /* __SOUND_SND_WAVEFRONT_H__ */