aboutsummaryrefslogtreecommitdiff
path: root/sound/isa/gus/gus_dma.c
diff options
context:
space:
mode:
Diffstat (limited to 'sound/isa/gus/gus_dma.c')
-rw-r--r--sound/isa/gus/gus_dma.c66
1 files changed, 36 insertions, 30 deletions
diff --git a/sound/isa/gus/gus_dma.c b/sound/isa/gus/gus_dma.c
index de4b56d80b3..36c27c83236 100644
--- a/sound/isa/gus/gus_dma.c
+++ b/sound/isa/gus/gus_dma.c
@@ -1,6 +1,6 @@
/*
* Routines for GF1 DMA control
- * Copyright (c) by Jaroslav Kysela <perex@suse.cz>
+ * Copyright (c) by Jaroslav Kysela <perex@perex.cz>
*
*
* This program is free software; you can redistribute it and/or modify
@@ -19,13 +19,12 @@
*
*/
-#include <sound/driver.h>
#include <asm/dma.h>
#include <linux/slab.h>
#include <sound/core.h>
#include <sound/gus.h>
-static void snd_gf1_dma_ack(snd_gus_card_t * gus)
+static void snd_gf1_dma_ack(struct snd_gus_card * gus)
{
unsigned long flags;
@@ -35,7 +34,7 @@ static void snd_gf1_dma_ack(snd_gus_card_t * gus)
spin_unlock_irqrestore(&gus->reg_lock, flags);
}
-static void snd_gf1_dma_program(snd_gus_card_t * gus,
+static void snd_gf1_dma_program(struct snd_gus_card * gus,
unsigned int addr,
unsigned long buf_addr,
unsigned int count,
@@ -46,7 +45,8 @@ static void snd_gf1_dma_program(snd_gus_card_t * gus,
unsigned char dma_cmd;
unsigned int address_high;
- // snd_printk("dma_transfer: addr=0x%x, buf=0x%lx, count=0x%x\n", addr, (long) buf, count);
+ snd_printdd("dma_transfer: addr=0x%x, buf=0x%lx, count=0x%x\n",
+ addr, buf_addr, count);
if (gus->gf1.dma1 > 3) {
if (gus->gf1.enh_mode) {
@@ -78,7 +78,8 @@ static void snd_gf1_dma_program(snd_gus_card_t * gus,
snd_gf1_dma_ack(gus);
snd_dma_program(gus->gf1.dma1, buf_addr, count, dma_cmd & SNDRV_GF1_DMA_READ ? DMA_MODE_READ : DMA_MODE_WRITE);
#if 0
- snd_printk("address = 0x%x, count = 0x%x, dma_cmd = 0x%x\n", address << 1, count, dma_cmd);
+ snd_printk(KERN_DEBUG "address = 0x%x, count = 0x%x, dma_cmd = 0x%x\n",
+ address << 1, count, dma_cmd);
#endif
spin_lock_irqsave(&gus->reg_lock, flags);
if (gus->gf1.enh_mode) {
@@ -91,9 +92,9 @@ static void snd_gf1_dma_program(snd_gus_card_t * gus,
spin_unlock_irqrestore(&gus->reg_lock, flags);
}
-static snd_gf1_dma_block_t *snd_gf1_dma_next_block(snd_gus_card_t * gus)
+static struct snd_gf1_dma_block *snd_gf1_dma_next_block(struct snd_gus_card * gus)
{
- snd_gf1_dma_block_t *block;
+ struct snd_gf1_dma_block *block;
/* PCM block have bigger priority than synthesizer one */
if (gus->gf1.dma_data_pcm) {
@@ -123,9 +124,9 @@ static snd_gf1_dma_block_t *snd_gf1_dma_next_block(snd_gus_card_t * gus)
}
-static void snd_gf1_dma_interrupt(snd_gus_card_t * gus)
+static void snd_gf1_dma_interrupt(struct snd_gus_card * gus)
{
- snd_gf1_dma_block_t *block;
+ struct snd_gf1_dma_block *block;
snd_gf1_dma_ack(gus);
if (gus->gf1.dma_ack)
@@ -143,16 +144,18 @@ static void snd_gf1_dma_interrupt(snd_gus_card_t * gus)
snd_gf1_dma_program(gus, block->addr, block->buf_addr, block->count, (unsigned short) block->cmd);
kfree(block);
#if 0
- printk("program dma (IRQ) - addr = 0x%x, buffer = 0x%lx, count = 0x%x, cmd = 0x%x\n", addr, (long) buffer, count, cmd);
+ snd_printd(KERN_DEBUG "program dma (IRQ) - "
+ "addr = 0x%x, buffer = 0x%lx, count = 0x%x, cmd = 0x%x\n",
+ block->addr, block->buf_addr, block->count, block->cmd);
#endif
}
-int snd_gf1_dma_init(snd_gus_card_t * gus)
+int snd_gf1_dma_init(struct snd_gus_card * gus)
{
- down(&gus->dma_mutex);
+ mutex_lock(&gus->dma_mutex);
gus->gf1.dma_shared++;
if (gus->gf1.dma_shared > 1) {
- up(&gus->dma_mutex);
+ mutex_unlock(&gus->dma_mutex);
return 0;
}
gus->gf1.interrupt_handler_dma_write = snd_gf1_dma_interrupt;
@@ -160,15 +163,15 @@ int snd_gf1_dma_init(snd_gus_card_t * gus)
gus->gf1.dma_data_pcm_last =
gus->gf1.dma_data_synth =
gus->gf1.dma_data_synth_last = NULL;
- up(&gus->dma_mutex);
+ mutex_unlock(&gus->dma_mutex);
return 0;
}
-int snd_gf1_dma_done(snd_gus_card_t * gus)
+int snd_gf1_dma_done(struct snd_gus_card * gus)
{
- snd_gf1_dma_block_t *block;
+ struct snd_gf1_dma_block *block;
- down(&gus->dma_mutex);
+ mutex_lock(&gus->dma_mutex);
gus->gf1.dma_shared--;
if (!gus->gf1.dma_shared) {
snd_dma_disable(gus->gf1.dma1);
@@ -185,32 +188,35 @@ int snd_gf1_dma_done(snd_gus_card_t * gus)
gus->gf1.dma_data_pcm_last =
gus->gf1.dma_data_synth_last = NULL;
}
- up(&gus->dma_mutex);
+ mutex_unlock(&gus->dma_mutex);
return 0;
}
-int snd_gf1_dma_transfer_block(snd_gus_card_t * gus,
- snd_gf1_dma_block_t * __block,
+int snd_gf1_dma_transfer_block(struct snd_gus_card * gus,
+ struct snd_gf1_dma_block * __block,
int atomic,
int synth)
{
unsigned long flags;
- snd_gf1_dma_block_t *block;
+ struct snd_gf1_dma_block *block;
block = kmalloc(sizeof(*block), atomic ? GFP_ATOMIC : GFP_KERNEL);
if (block == NULL) {
- snd_printk("gf1: DMA transfer failure; not enough memory\n");
+ snd_printk(KERN_ERR "gf1: DMA transfer failure; not enough memory\n");
return -ENOMEM;
}
*block = *__block;
block->next = NULL;
-#if 0
- printk("addr = 0x%x, buffer = 0x%lx, count = 0x%x, cmd = 0x%x\n", block->addr, (long) block->buffer, block->count, block->cmd);
-#endif
-#if 0
- printk("gus->gf1.dma_data_pcm_last = 0x%lx\n", (long)gus->gf1.dma_data_pcm_last);
- printk("gus->gf1.dma_data_pcm = 0x%lx\n", (long)gus->gf1.dma_data_pcm);
-#endif
+
+ snd_printdd("addr = 0x%x, buffer = 0x%lx, count = 0x%x, cmd = 0x%x\n",
+ block->addr, (long) block->buffer, block->count,
+ block->cmd);
+
+ snd_printdd("gus->gf1.dma_data_pcm_last = 0x%lx\n",
+ (long)gus->gf1.dma_data_pcm_last);
+ snd_printdd("gus->gf1.dma_data_pcm = 0x%lx\n",
+ (long)gus->gf1.dma_data_pcm);
+
spin_lock_irqsave(&gus->dma_lock, flags);
if (synth) {
if (gus->gf1.dma_data_synth_last) {
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-12-13 10:26:27 +0000