diff options
Diffstat (limited to 'sound/isa/sb/sb8_midi.c')
| -rw-r--r-- | sound/isa/sb/sb8_midi.c | 65 |
1 files changed, 29 insertions, 36 deletions
diff --git a/sound/isa/sb/sb8_midi.c b/sound/isa/sb/sb8_midi.c index d2c633a40e7..988a8b73475 100644 --- a/sound/isa/sb/sb8_midi.c +++ b/sound/isa/sb/sb8_midi.c @@ -1,5 +1,5 @@ /* - * Copyright (c) by Jaroslav Kysela <perex@suse.cz> + * Copyright (c) by Jaroslav Kysela <perex@perex.cz> * Routines for control of SoundBlaster cards - MIDI interface * * This program is free software; you can redistribute it and/or modify @@ -26,26 +26,27 @@ * Added full duplex UART mode for DSP version 2.0 and later. */ -#include <sound/driver.h> #include <asm/io.h> #include <linux/time.h> #include <sound/core.h> #include <sound/sb.h> -/* - - */ -irqreturn_t snd_sb8dsp_midi_interrupt(sb_t * chip) +irqreturn_t snd_sb8dsp_midi_interrupt(struct snd_sb *chip) { - snd_rawmidi_t *rmidi; + struct snd_rawmidi *rmidi; int max = 64; char byte; - if (chip == NULL || (rmidi = chip->rmidi) == NULL) { + if (!chip) + return IRQ_NONE; + + rmidi = chip->rmidi; + if (!rmidi) { inb(SBP(chip, DATA_AVAIL)); /* ack interrupt */ return IRQ_NONE; } + spin_lock(&chip->midi_input_lock); while (max-- > 0) { if (inb(SBP(chip, DATA_AVAIL)) & 0x80) { @@ -59,14 +60,10 @@ irqreturn_t snd_sb8dsp_midi_interrupt(sb_t * chip) return IRQ_HANDLED; } -/* - - */ - -static int snd_sb8dsp_midi_input_open(snd_rawmidi_substream_t * substream) +static int snd_sb8dsp_midi_input_open(struct snd_rawmidi_substream *substream) { unsigned long flags; - sb_t *chip; + struct snd_sb *chip; unsigned int valid_open_flags; chip = substream->rmidi->private_data; @@ -90,10 +87,10 @@ static int snd_sb8dsp_midi_input_open(snd_rawmidi_substream_t * substream) return 0; } -static int snd_sb8dsp_midi_output_open(snd_rawmidi_substream_t * substream) +static int snd_sb8dsp_midi_output_open(struct snd_rawmidi_substream *substream) { unsigned long flags; - sb_t *chip; + struct snd_sb *chip; unsigned int valid_open_flags; chip = substream->rmidi->private_data; @@ -117,10 +114,10 @@ static int snd_sb8dsp_midi_output_open(snd_rawmidi_substream_t * substream) return 0; } -static int snd_sb8dsp_midi_input_close(snd_rawmidi_substream_t * substream) +static int snd_sb8dsp_midi_input_close(struct snd_rawmidi_substream *substream) { unsigned long flags; - sb_t *chip; + struct snd_sb *chip; chip = substream->rmidi->private_data; spin_lock_irqsave(&chip->open_lock, flags); @@ -135,10 +132,10 @@ static int snd_sb8dsp_midi_input_close(snd_rawmidi_substream_t * substream) return 0; } -static int snd_sb8dsp_midi_output_close(snd_rawmidi_substream_t * substream) +static int snd_sb8dsp_midi_output_close(struct snd_rawmidi_substream *substream) { unsigned long flags; - sb_t *chip; + struct snd_sb *chip; chip = substream->rmidi->private_data; spin_lock_irqsave(&chip->open_lock, flags); @@ -153,10 +150,10 @@ static int snd_sb8dsp_midi_output_close(snd_rawmidi_substream_t * substream) return 0; } -static void snd_sb8dsp_midi_input_trigger(snd_rawmidi_substream_t * substream, int up) +static void snd_sb8dsp_midi_input_trigger(struct snd_rawmidi_substream *substream, int up) { unsigned long flags; - sb_t *chip; + struct snd_sb *chip; chip = substream->rmidi->private_data; spin_lock_irqsave(&chip->open_lock, flags); @@ -176,10 +173,10 @@ static void snd_sb8dsp_midi_input_trigger(snd_rawmidi_substream_t * substream, i spin_unlock_irqrestore(&chip->open_lock, flags); } -static void snd_sb8dsp_midi_output_write(snd_rawmidi_substream_t * substream) +static void snd_sb8dsp_midi_output_write(struct snd_rawmidi_substream *substream) { unsigned long flags; - sb_t *chip; + struct snd_sb *chip; char byte; int max = 32; @@ -214,8 +211,8 @@ static void snd_sb8dsp_midi_output_write(snd_rawmidi_substream_t * substream) static void snd_sb8dsp_midi_output_timer(unsigned long data) { - snd_rawmidi_substream_t * substream = (snd_rawmidi_substream_t *) data; - sb_t * chip = substream->rmidi->private_data; + struct snd_rawmidi_substream *substream = (struct snd_rawmidi_substream *) data; + struct snd_sb * chip = substream->rmidi->private_data; unsigned long flags; spin_lock_irqsave(&chip->open_lock, flags); @@ -225,10 +222,10 @@ static void snd_sb8dsp_midi_output_timer(unsigned long data) snd_sb8dsp_midi_output_write(substream); } -static void snd_sb8dsp_midi_output_trigger(snd_rawmidi_substream_t * substream, int up) +static void snd_sb8dsp_midi_output_trigger(struct snd_rawmidi_substream *substream, int up) { unsigned long flags; - sb_t *chip; + struct snd_sb *chip; chip = substream->rmidi->private_data; spin_lock_irqsave(&chip->open_lock, flags); @@ -252,27 +249,23 @@ static void snd_sb8dsp_midi_output_trigger(snd_rawmidi_substream_t * substream, snd_sb8dsp_midi_output_write(substream); } -/* - - */ - -static snd_rawmidi_ops_t snd_sb8dsp_midi_output = +static struct snd_rawmidi_ops snd_sb8dsp_midi_output = { .open = snd_sb8dsp_midi_output_open, .close = snd_sb8dsp_midi_output_close, .trigger = snd_sb8dsp_midi_output_trigger, }; -static snd_rawmidi_ops_t snd_sb8dsp_midi_input = +static struct snd_rawmidi_ops snd_sb8dsp_midi_input = { .open = snd_sb8dsp_midi_input_open, .close = snd_sb8dsp_midi_input_close, .trigger = snd_sb8dsp_midi_input_trigger, }; -int snd_sb8dsp_midi(sb_t *chip, int device, snd_rawmidi_t ** rrawmidi) +int snd_sb8dsp_midi(struct snd_sb *chip, int device, struct snd_rawmidi ** rrawmidi) { - snd_rawmidi_t *rmidi; + struct snd_rawmidi *rmidi; int err; if (rrawmidi) |