diff options
Diffstat (limited to 'sys/i386/isa/sound/pro_midi.c')
| -rw-r--r-- | sys/i386/isa/sound/pro_midi.c | 140 |
1 files changed, 74 insertions, 66 deletions
diff --git a/sys/i386/isa/sound/pro_midi.c b/sys/i386/isa/sound/pro_midi.c index 606657d403da..b9ffa26a9ab2 100644 --- a/sys/i386/isa/sound/pro_midi.c +++ b/sys/i386/isa/sound/pro_midi.c @@ -1,5 +1,5 @@ /* - * Copyright by UWM -- comments to soft-eng@cs.uwm.edu + * Copyright by UWM - comments to soft-eng@cs.uwm.edu * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions @@ -37,140 +37,148 @@ /** Structure for handling operations **/ -static struct generic_midi_operations pro_midi_operations = { +static struct generic_midi_operations pro_midi_operations = +{ - {"Pro_Audio_Spectrum 16 MV101", 0}, - pro_midi_open, - pro_midi_close, - pro_midi_write, - pro_midi_read + {"Pro_Audio_Spectrum 16 MV101", 0}, + pro_midi_open, + pro_midi_close, + pro_midi_write, + pro_midi_read }; /* - * Note! Note! Note! - * Follow the same model for any other attach function you + * Note! Note! Note! Follow the same model for any other attach function you * may write */ -long pro_midi_attach( long mem_start) +long +pro_midi_attach (long mem_start) { pro_midi_dev = num_generic_midis; generic_midi_devs[num_generic_midis++] = &pro_midi_operations; return mem_start; -} +} -int pro_midi_open(int dev, int mode) +int +pro_midi_open (int dev, int mode) { - int intr_mask, s; + int intr_mask, s; - s = splhigh(); + s = splhigh (); - /* Reset the input and output FIFO pointers */ + /* Reset the input and output FIFO pointers */ - outb(MIDI_CONTROL,M_C_RESET_INPUT_FIFO | M_C_RESET_OUTPUT_FIFO); + outb (MIDI_CONTROL, M_C_RESET_INPUT_FIFO | M_C_RESET_OUTPUT_FIFO); - /* Get the interrupt status */ + /* Get the interrupt status */ - intr_mask = inb(INTERRUPT_MASK); + intr_mask = inb (INTERRUPT_MASK); - /* Enable MIDI IRQ */ + /* Enable MIDI IRQ */ - intr_mask |= I_M_MIDI_IRQ_ENABLE; - outb(INTERRUPT_MASK, intr_mask); + intr_mask |= I_M_MIDI_IRQ_ENABLE; + outb (INTERRUPT_MASK, intr_mask); /* Enable READ/WRITE on MIDI port. This part is quite unsure though */ - outb(MIDI_CONTROL,M_C_ENA_OUTPUT_IRQ | M_C_ENA_INPUT_IRQ); + outb (MIDI_CONTROL, M_C_ENA_OUTPUT_IRQ | M_C_ENA_INPUT_IRQ); /* Acknowledge pending interrupts */ - outb(MIDI_STATUS,0xff); + outb (MIDI_STATUS, 0xff); - splx(s); + splx (s); - return(ESUCCESS); + return (ESUCCESS); } -void pro_midi_close(int dev) +void +pro_midi_close (int dev) { - int intr_mask; + int intr_mask; - /* Clean up */ + /* Clean up */ - outb(MIDI_CONTROL,M_C_RESET_INPUT_FIFO | M_C_RESET_OUTPUT_FIFO); - intr_mask = inb(INTERRUPT_MASK); - intr_mask &= ~I_M_MIDI_IRQ_ENABLE; - outb(INTERRUPT_MASK,intr_mask); + outb (MIDI_CONTROL, M_C_RESET_INPUT_FIFO | M_C_RESET_OUTPUT_FIFO); + intr_mask = inb (INTERRUPT_MASK); + intr_mask &= ~I_M_MIDI_IRQ_ENABLE; + outb (INTERRUPT_MASK, intr_mask); - return; + return; } -int pro_midi_write(int dev, struct uio *uio) +int +pro_midi_write (int dev, struct uio *uio) { - int s; - unsigned char data; + int s; + unsigned char data; - /* printf("midi: Going to do write routine..\n"); */ - while(uio->uio_resid) { + /* printf("midi: Going to do write routine..\n"); */ + while (uio->uio_resid) + { - if ( uiomove(&data,1,uio) ) return(ENOTTY); + if (uiomove (&data, 1, uio)) + return (ENOTTY); - s = splhigh(); + s = splhigh (); - DELAY(30); - outb(MIDI_DATA,data); - DELAY(70); /* Ze best pause.. find a better one if - * you can :) - */ - splx(s); - } + DELAY (30); + outb (MIDI_DATA, data); + DELAY (70); /* Ze best pause.. find a better one if you + * can :) */ + splx (s); + } - return(ESUCCESS); + return (ESUCCESS); } -int pro_midi_read(int dev, struct uio *uio) +int +pro_midi_read (int dev, struct uio *uio) { - int s; - unsigned char data; + int s; + unsigned char data; - s = splhigh(); + s = splhigh (); - /* For each uio_iov[] entry .... */ + /* For each uio_iov[] entry .... */ - while (uio->uio_resid) { + while (uio->uio_resid) + { - if((( inb(MIDI_STATUS) & M_S_INPUT_AVAIL) == 0 ) && - ((inb(MIDI_FIFO_STATUS) & MIDI_INPUT_AVAILABLE) == 0 ) ) + if (((inb (MIDI_STATUS) & M_S_INPUT_AVAIL) == 0) && + ((inb (MIDI_FIFO_STATUS) & MIDI_INPUT_AVAILABLE) == 0)) - data = 0xfe; - else - data = inb(MIDI_DATA); + data = 0xfe; + else + data = inb (MIDI_DATA); - if ( uiomove(&data, 1 , uio)) { + if (uiomove (&data, 1, uio)) + { - printf("midi: Bad copyout()!\n"); - return(ENOTTY); + printf ("midi: Bad copyout()!\n"); + return (ENOTTY); - } + } - } - splx(s); - return(ESUCCESS); + } + splx (s); + return (ESUCCESS); } |