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