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ALSA: gus: Use guard() for spin locks 

Clean up the code using guard() for spin locks.

Merely code refactoring, and no behavior change.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
Link: https://patch.msgid.link/20250829145300.5460-9-tiwai@suse.de
This commit is contained in:
Takashi Iwai 2025-08-29 16:52:48 +02:00
parent 3abb538fff
commit ae2b22b467
11 changed files with 224 additions and 340 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

38
sound/isa/gus/gus_dma.c
View File

@ -11,12 +11,9 @@
static void snd_gf1_dma_ack(struct snd_gus_card * gus)
{
unsigned long flags;
spin_lock_irqsave(&gus->reg_lock, flags);
guard(spinlock_irqsave)(&gus->reg_lock);
snd_gf1_write8(gus, SNDRV_GF1_GB_DRAM_DMA_CONTROL, 0x00);
snd_gf1_look8(gus, SNDRV_GF1_GB_DRAM_DMA_CONTROL);
spin_unlock_irqrestore(&gus->reg_lock, flags);
}
static void snd_gf1_dma_program(struct snd_gus_card * gus,
@ -25,7 +22,6 @@ static void snd_gf1_dma_program(struct snd_gus_card * gus,
unsigned int count,
unsigned int cmd)
{
unsigned long flags;
unsigned int address;
unsigned char dma_cmd;
unsigned int address_high;
@ -70,7 +66,7 @@ static void snd_gf1_dma_program(struct snd_gus_card * gus,
"address = 0x%x, count = 0x%x, dma_cmd = 0x%x\n",
address << 1, count, dma_cmd);
#endif
spin_lock_irqsave(&gus->reg_lock, flags);
guard(spinlock_irqsave)(&gus->reg_lock);
if (gus->gf1.enh_mode) {
address_high = ((address >> 16) & 0x000000f0) | (address & 0x0000000f);
snd_gf1_write16(gus, SNDRV_GF1_GW_DRAM_DMA_LOW, (unsigned short) (address >> 4));
@ -78,7 +74,6 @@ static void snd_gf1_dma_program(struct snd_gus_card * gus,
} else
snd_gf1_write16(gus, SNDRV_GF1_GW_DRAM_DMA_LOW, (unsigned short) (address >> 4));
snd_gf1_write8(gus, SNDRV_GF1_GB_DRAM_DMA_CONTROL, dma_cmd);
spin_unlock_irqrestore(&gus->reg_lock, flags);
}
static struct snd_gf1_dma_block *snd_gf1_dma_next_block(struct snd_gus_card * gus)
@ -120,16 +115,15 @@ static void snd_gf1_dma_interrupt(struct snd_gus_card * gus)
snd_gf1_dma_ack(gus);
if (gus->gf1.dma_ack)
gus->gf1.dma_ack(gus, gus->gf1.dma_private_data);
spin_lock(&gus->dma_lock);
scoped_guard(spinlock, &gus->dma_lock) {
if (gus->gf1.dma_data_pcm == NULL &&
gus->gf1.dma_data_synth == NULL) {
gus->gf1.dma_ack = NULL;
gus->gf1.dma_flags &= ~SNDRV_GF1_DMA_TRIGGER;
spin_unlock(&gus->dma_lock);
return;
}
block = snd_gf1_dma_next_block(gus);
spin_unlock(&gus->dma_lock);
}
if (!block)
return;
snd_gf1_dma_program(gus, block->addr, block->buf_addr, block->count, (unsigned short) block->cmd);
@ -184,8 +178,8 @@ int snd_gf1_dma_transfer_block(struct snd_gus_card * gus,
int atomic,
int synth)
{
unsigned long flags;
struct snd_gf1_dma_block *block;
struct snd_gf1_dma_block *free_block = NULL;
block = kmalloc(sizeof(*block), atomic ? GFP_ATOMIC : GFP_KERNEL);
if (!block)
@ -206,7 +200,7 @@ int snd_gf1_dma_transfer_block(struct snd_gus_card * gus,
"gus->gf1.dma_data_pcm = 0x%lx\n",
(long)gus->gf1.dma_data_pcm);
spin_lock_irqsave(&gus->dma_lock, flags);
scoped_guard(spinlock_irqsave, &gus->dma_lock) {
if (synth) {
if (gus->gf1.dma_data_synth_last) {
gus->gf1.dma_data_synth_last->next = block;
@ -226,14 +220,16 @@ int snd_gf1_dma_transfer_block(struct snd_gus_card * gus,
}
if (!(gus->gf1.dma_flags & SNDRV_GF1_DMA_TRIGGER)) {
gus->gf1.dma_flags |= SNDRV_GF1_DMA_TRIGGER;
block = snd_gf1_dma_next_block(gus);
spin_unlock_irqrestore(&gus->dma_lock, flags);
if (block == NULL)
return 0;
snd_gf1_dma_program(gus, block->addr, block->buf_addr, block->count, (unsigned short) block->cmd);
kfree(block);
return 0;
}
spin_unlock_irqrestore(&gus->dma_lock, flags);
free_block = snd_gf1_dma_next_block(gus);
}
}
if (free_block) {
snd_gf1_dma_program(gus, free_block->addr, free_block->buf_addr,
free_block->count,
(unsigned short)free_block->cmd);
kfree(free_block);
}
return 0;
}

8
sound/isa/gus/gus_dram.c
View File

@ -13,7 +13,6 @@
static int snd_gus_dram_poke(struct snd_gus_card *gus, char __user *_buffer,
unsigned int address, unsigned int size)
{
unsigned long flags;
unsigned int size1, size2;
char buffer[256], *pbuffer;
@ -22,11 +21,10 @@ static int snd_gus_dram_poke(struct snd_gus_card *gus, char __user *_buffer,
if (copy_from_user(buffer, _buffer, size1))
return -EFAULT;
if (gus->interwave) {
spin_lock_irqsave(&gus->reg_lock, flags);
guard(spinlock_irqsave)(&gus->reg_lock);
snd_gf1_write8(gus, SNDRV_GF1_GB_MEMORY_CONTROL, 0x01);
snd_gf1_dram_addr(gus, address);
outsb(GUSP(gus, DRAM), buffer, size1);
spin_unlock_irqrestore(&gus->reg_lock, flags);
address += size1;
} else {
pbuffer = buffer;
@ -51,19 +49,17 @@ static int snd_gus_dram_peek(struct snd_gus_card *gus, char __user *_buffer,
unsigned int address, unsigned int size,
int rom)
{
unsigned long flags;
unsigned int size1, size2;
char buffer[256], *pbuffer;
while (size > 0) {
size1 = size > sizeof(buffer) ? sizeof(buffer) : size;
if (gus->interwave) {
spin_lock_irqsave(&gus->reg_lock, flags);
guard(spinlock_irqsave)(&gus->reg_lock);
snd_gf1_write8(gus, SNDRV_GF1_GB_MEMORY_CONTROL, rom ? 0x03 : 0x01);
snd_gf1_dram_addr(gus, address);
insb(GUSP(gus, DRAM), buffer, size1);
snd_gf1_write8(gus, SNDRV_GF1_GB_MEMORY_CONTROL, 0x01);
spin_unlock_irqrestore(&gus->reg_lock, flags);
address += size1;
} else {
pbuffer = buffer;

65
sound/isa/gus/gus_io.c
View File

@ -177,55 +177,36 @@ unsigned int snd_gf1_read_addr(struct snd_gus_card * gus,
void snd_gf1_i_ctrl_stop(struct snd_gus_card * gus, unsigned char reg)
{
unsigned long flags;
spin_lock_irqsave(&gus->reg_lock, flags);
guard(spinlock_irqsave)(&gus->reg_lock);
__snd_gf1_ctrl_stop(gus, reg);
spin_unlock_irqrestore(&gus->reg_lock, flags);
}
void snd_gf1_i_write8(struct snd_gus_card * gus,
unsigned char reg,
unsigned char data)
{
unsigned long flags;
spin_lock_irqsave(&gus->reg_lock, flags);
guard(spinlock_irqsave)(&gus->reg_lock);
__snd_gf1_write8(gus, reg, data);
spin_unlock_irqrestore(&gus->reg_lock, flags);
}
unsigned char snd_gf1_i_look8(struct snd_gus_card * gus, unsigned char reg)
{
unsigned long flags;
unsigned char res;
spin_lock_irqsave(&gus->reg_lock, flags);
res = __snd_gf1_look8(gus, reg);
spin_unlock_irqrestore(&gus->reg_lock, flags);
return res;
guard(spinlock_irqsave)(&gus->reg_lock);
return __snd_gf1_look8(gus, reg);
}
void snd_gf1_i_write16(struct snd_gus_card * gus,
unsigned char reg,
unsigned int data)
{
unsigned long flags;
spin_lock_irqsave(&gus->reg_lock, flags);
guard(spinlock_irqsave)(&gus->reg_lock);
__snd_gf1_write16(gus, reg, data);
spin_unlock_irqrestore(&gus->reg_lock, flags);
}
unsigned short snd_gf1_i_look16(struct snd_gus_card * gus, unsigned char reg)
{
unsigned long flags;
unsigned short res;
spin_lock_irqsave(&gus->reg_lock, flags);
res = __snd_gf1_look16(gus, reg);
spin_unlock_irqrestore(&gus->reg_lock, flags);
return res;
guard(spinlock_irqsave)(&gus->reg_lock);
return __snd_gf1_look16(gus, reg);
}
void snd_gf1_dram_addr(struct snd_gus_card * gus, unsigned int addr)
@ -242,9 +223,7 @@ void snd_gf1_dram_addr(struct snd_gus_card * gus, unsigned int addr)
void snd_gf1_poke(struct snd_gus_card * gus, unsigned int addr, unsigned char data)
{
unsigned long flags;
spin_lock_irqsave(&gus->reg_lock, flags);
guard(spinlock_irqsave)(&gus->reg_lock);
outb(SNDRV_GF1_GW_DRAM_IO_LOW, gus->gf1.reg_regsel);
mb();
outw((unsigned short) addr, gus->gf1.reg_data16);
@ -254,15 +233,11 @@ void snd_gf1_poke(struct snd_gus_card * gus, unsigned int addr, unsigned char da
outb((unsigned char) (addr >> 16), gus->gf1.reg_data8);
mb();
outb(data, gus->gf1.reg_dram);
spin_unlock_irqrestore(&gus->reg_lock, flags);
}
unsigned char snd_gf1_peek(struct snd_gus_card * gus, unsigned int addr)
{
unsigned long flags;
unsigned char res;
spin_lock_irqsave(&gus->reg_lock, flags);
guard(spinlock_irqsave)(&gus->reg_lock);
outb(SNDRV_GF1_GW_DRAM_IO_LOW, gus->gf1.reg_regsel);
mb();
outw((unsigned short) addr, gus->gf1.reg_data16);
@ -271,20 +246,16 @@ unsigned char snd_gf1_peek(struct snd_gus_card * gus, unsigned int addr)
mb();
outb((unsigned char) (addr >> 16), gus->gf1.reg_data8);
mb();
res = inb(gus->gf1.reg_dram);
spin_unlock_irqrestore(&gus->reg_lock, flags);
return res;
return inb(gus->gf1.reg_dram);
}
#if 0
void snd_gf1_pokew(struct snd_gus_card * gus, unsigned int addr, unsigned short data)
{
unsigned long flags;
if (!gus->interwave)
dev_dbg(gus->card->dev, "%s - GF1!!!\n", __func__);
spin_lock_irqsave(&gus->reg_lock, flags);
guard(spinlock_irqsave)(&gus->reg_lock);
outb(SNDRV_GF1_GW_DRAM_IO_LOW, gus->gf1.reg_regsel);
mb();
outw((unsigned short) addr, gus->gf1.reg_data16);
@ -296,17 +267,13 @@ void snd_gf1_pokew(struct snd_gus_card * gus, unsigned int addr, unsigned short
outb(SNDRV_GF1_GW_DRAM_IO16, gus->gf1.reg_regsel);
mb();
outw(data, gus->gf1.reg_data16);
spin_unlock_irqrestore(&gus->reg_lock, flags);
}
unsigned short snd_gf1_peekw(struct snd_gus_card * gus, unsigned int addr)
{
unsigned long flags;
unsigned short res;
if (!gus->interwave)
dev_dbg(gus->card->dev, "%s - GF1!!!\n", __func__);
spin_lock_irqsave(&gus->reg_lock, flags);
guard(spinlock_irqsave)(&gus->reg_lock);
outb(SNDRV_GF1_GW_DRAM_IO_LOW, gus->gf1.reg_regsel);
mb();
outw((unsigned short) addr, gus->gf1.reg_data16);
@ -317,23 +284,20 @@ unsigned short snd_gf1_peekw(struct snd_gus_card * gus, unsigned int addr)
mb();
outb(SNDRV_GF1_GW_DRAM_IO16, gus->gf1.reg_regsel);
mb();
res = inw(gus->gf1.reg_data16);
spin_unlock_irqrestore(&gus->reg_lock, flags);
return res;
return inw(gus->gf1.reg_data16);
}
void snd_gf1_dram_setmem(struct snd_gus_card * gus, unsigned int addr,
unsigned short value, unsigned int count)
{
unsigned long port;
unsigned long flags;
if (!gus->interwave)
dev_dbg(gus->card->dev, "%s - GF1!!!\n", __func__);
addr &= ~1;
count >>= 1;
port = GUSP(gus, GF1DATALOW);
spin_lock_irqsave(&gus->reg_lock, flags);
guard(spinlock_irqsave)(&gus->reg_lock);
outb(SNDRV_GF1_GW_DRAM_IO_LOW, gus->gf1.reg_regsel);
mb();
outw((unsigned short) addr, gus->gf1.reg_data16);
@ -345,7 +309,6 @@ void snd_gf1_dram_setmem(struct snd_gus_card * gus, unsigned int addr,
outb(SNDRV_GF1_GW_DRAM_IO16, gus->gf1.reg_regsel);
while (count--)
outw(value, port);
spin_unlock_irqrestore(&gus->reg_lock, flags);
}
#endif /* 0 */

26
sound/isa/gus/gus_main.c
View File

@ -42,16 +42,14 @@ static int snd_gus_joystick_get(struct snd_kcontrol *kcontrol, struct snd_ctl_el
static int snd_gus_joystick_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
{
struct snd_gus_card *gus = snd_kcontrol_chip(kcontrol);
unsigned long flags;
int change;
unsigned char nval;
nval = ucontrol->value.integer.value[0] & 31;
spin_lock_irqsave(&gus->reg_lock, flags);
guard(spinlock_irqsave)(&gus->reg_lock);
change = gus->joystick_dac != nval;
gus->joystick_dac = nval;
snd_gf1_write8(gus, SNDRV_GF1_GB_JOYSTICK_DAC_LEVEL, gus->joystick_dac);
spin_unlock_irqrestore(&gus->reg_lock, flags);
return change;
}
@ -249,7 +247,6 @@ static int snd_gus_detect_memory(struct snd_gus_card * gus)
static int snd_gus_init_dma_irq(struct snd_gus_card * gus, int latches)
{
struct snd_card *card;
unsigned long flags;
int irq, dma1, dma2;
static const unsigned char irqs[16] =
{0, 0, 1, 3, 0, 2, 0, 4, 0, 1, 0, 5, 6, 0, 0, 7};
@ -292,34 +289,34 @@ static int snd_gus_init_dma_irq(struct snd_gus_card * gus, int latches)
card->mixer.mix_ctrl_reg |= 0x10;
#endif
spin_lock_irqsave(&gus->reg_lock, flags);
scoped_guard(spinlock_irqsave, &gus->reg_lock) {
outb(5, GUSP(gus, REGCNTRLS));
outb(gus->mix_cntrl_reg, GUSP(gus, MIXCNTRLREG));
outb(0x00, GUSP(gus, IRQDMACNTRLREG));
outb(0, GUSP(gus, REGCNTRLS));
spin_unlock_irqrestore(&gus->reg_lock, flags);
}
udelay(100);
spin_lock_irqsave(&gus->reg_lock, flags);
scoped_guard(spinlock_irqsave, &gus->reg_lock) {
outb(0x00 | gus->mix_cntrl_reg, GUSP(gus, MIXCNTRLREG));
outb(dma1, GUSP(gus, IRQDMACNTRLREG));
if (latches) {
outb(0x40 | gus->mix_cntrl_reg, GUSP(gus, MIXCNTRLREG));
outb(irq, GUSP(gus, IRQDMACNTRLREG));
}
spin_unlock_irqrestore(&gus->reg_lock, flags);
}
udelay(100);
spin_lock_irqsave(&gus->reg_lock, flags);
scoped_guard(spinlock_irqsave, &gus->reg_lock) {
outb(0x00 | gus->mix_cntrl_reg, GUSP(gus, MIXCNTRLREG));
outb(dma1, GUSP(gus, IRQDMACNTRLREG));
if (latches) {
outb(0x40 | gus->mix_cntrl_reg, GUSP(gus, MIXCNTRLREG));
outb(irq, GUSP(gus, IRQDMACNTRLREG));
}
spin_unlock_irqrestore(&gus->reg_lock, flags);
}
snd_gf1_delay(gus);
@ -327,26 +324,25 @@ static int snd_gus_init_dma_irq(struct snd_gus_card * gus, int latches)
gus->mix_cntrl_reg |= 0x08; /* enable latches */
else
gus->mix_cntrl_reg &= ~0x08; /* disable latches */
spin_lock_irqsave(&gus->reg_lock, flags);
scoped_guard(spinlock_irqsave, &gus->reg_lock) {
outb(gus->mix_cntrl_reg, GUSP(gus, MIXCNTRLREG));
outb(0, GUSP(gus, GF1PAGE));
spin_unlock_irqrestore(&gus->reg_lock, flags);
}
return 0;
}
static int snd_gus_check_version(struct snd_gus_card * gus)
{
unsigned long flags;
unsigned char val, rev;
struct snd_card *card;
card = gus->card;
spin_lock_irqsave(&gus->reg_lock, flags);
scoped_guard(spinlock_irqsave, &gus->reg_lock) {
outb(0x20, GUSP(gus, REGCNTRLS));
val = inb(GUSP(gus, REGCNTRLS));
rev = inb(GUSP(gus, BOARDVERSION));
spin_unlock_irqrestore(&gus->reg_lock, flags);
}
dev_dbg(card->dev, "GF1 [0x%lx] init - val = 0x%x, rev = 0x%x\n", gus->gf1.port, val, rev);
strscpy(card->driver, "GUS");
strscpy(card->longname, "Gravis UltraSound Classic (2.4)");

12
sound/isa/gus/gus_mixer.c
View File

@ -37,7 +37,6 @@ static int snd_gf1_get_single(struct snd_kcontrol *kcontrol, struct snd_ctl_elem
static int snd_gf1_put_single(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
{
struct snd_gus_card *gus = snd_kcontrol_chip(kcontrol);
unsigned long flags;
int shift = kcontrol->private_value & 0xff;
int invert = (kcontrol->private_value >> 8) & 1;
int change;
@ -47,13 +46,12 @@ static int snd_gf1_put_single(struct snd_kcontrol *kcontrol, struct snd_ctl_elem
if (invert)
nval ^= 1;
nval <<= shift;
spin_lock_irqsave(&gus->reg_lock, flags);
guard(spinlock_irqsave)(&gus->reg_lock);
oval = gus->mix_cntrl_reg;
nval = (oval & ~(1 << shift)) | nval;
change = nval != oval;
outb(gus->mix_cntrl_reg = nval, GUSP(gus, MIXCNTRLREG));
outb(gus->gf1.active_voice = 0, GUSP(gus, GF1PAGE));
spin_unlock_irqrestore(&gus->reg_lock, flags);
return change;
}
@ -75,14 +73,12 @@ static int snd_ics_info_double(struct snd_kcontrol *kcontrol, struct snd_ctl_ele
static int snd_ics_get_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
{
struct snd_gus_card *gus = snd_kcontrol_chip(kcontrol);
unsigned long flags;
int addr = kcontrol->private_value & 0xff;
unsigned char left, right;
spin_lock_irqsave(&gus->reg_lock, flags);
guard(spinlock_irqsave)(&gus->reg_lock);
left = gus->gf1.ics_regs[addr][0];
right = gus->gf1.ics_regs[addr][1];
spin_unlock_irqrestore(&gus->reg_lock, flags);
ucontrol->value.integer.value[0] = left & 127;
ucontrol->value.integer.value[1] = right & 127;
return 0;
@ -91,14 +87,13 @@ static int snd_ics_get_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem
static int snd_ics_put_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
{
struct snd_gus_card *gus = snd_kcontrol_chip(kcontrol);
unsigned long flags;
int addr = kcontrol->private_value & 0xff;
int change;
unsigned char val1, val2, oval1, oval2;
val1 = ucontrol->value.integer.value[0] & 127;
val2 = ucontrol->value.integer.value[1] & 127;
spin_lock_irqsave(&gus->reg_lock, flags);
guard(spinlock_irqsave)(&gus->reg_lock);
oval1 = gus->gf1.ics_regs[addr][0];
oval2 = gus->gf1.ics_regs[addr][1];
change = val1 != oval1 || val2 != oval2;
@ -116,7 +111,6 @@ static int snd_ics_put_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem
outb(2, GUSP(gus, MIXDATAPORT));
outb(addr | 3, GUSP(gus, MIXCNTRLPORT));
outb((unsigned char) val2, GUSP(gus, MIXDATAPORT));
spin_unlock_irqrestore(&gus->reg_lock, flags);
return change;
}

57
sound/isa/gus/gus_pcm.c
View File

@ -89,7 +89,6 @@ static void snd_gf1_pcm_trigger_up(struct snd_pcm_substream *substream)
struct snd_pcm_runtime *runtime = substream->runtime;
struct gus_pcm_private *pcmp = runtime->private_data;
struct snd_gus_card * gus = pcmp->gus;
unsigned long flags;
unsigned char voice_ctrl, ramp_ctrl;
unsigned short rate;
unsigned int curr, begin, end;
@ -97,14 +96,12 @@ static void snd_gf1_pcm_trigger_up(struct snd_pcm_substream *substream)
unsigned char pan;
unsigned int voice;
spin_lock_irqsave(&pcmp->lock, flags);
if (pcmp->flags & SNDRV_GF1_PCM_PFLG_ACTIVE) {
spin_unlock_irqrestore(&pcmp->lock, flags);
scoped_guard(spinlock_irqsave, &pcmp->lock) {
if (pcmp->flags & SNDRV_GF1_PCM_PFLG_ACTIVE)
return;
}
pcmp->flags |= SNDRV_GF1_PCM_PFLG_ACTIVE;
pcmp->final_volume = 0;
spin_unlock_irqrestore(&pcmp->lock, flags);
}
rate = snd_gf1_translate_freq(gus, runtime->rate << 4);
/* enable WAVE IRQ */
voice_ctrl = snd_pcm_format_width(runtime->format) == 16 ? 0x24 : 0x20;
@ -121,7 +118,7 @@ static void snd_gf1_pcm_trigger_up(struct snd_pcm_substream *substream)
end -= snd_pcm_format_width(runtime->format) == 16 ? 2 : 1;
pan = runtime->channels == 2 ? (!voice ? 1 : 14) : 8;
vol = !voice ? gus->gf1.pcm_volume_level_left : gus->gf1.pcm_volume_level_right;
spin_lock_irqsave(&gus->reg_lock, flags);
guard(spinlock_irqsave)(&gus->reg_lock);
snd_gf1_select_voice(gus, pcmp->pvoices[voice]->number);
snd_gf1_write8(gus, SNDRV_GF1_VB_PAN, pan);
snd_gf1_write16(gus, SNDRV_GF1_VW_FREQUENCY, rate);
@ -137,9 +134,9 @@ static void snd_gf1_pcm_trigger_up(struct snd_pcm_substream *substream)
snd_gf1_delay(gus);
snd_gf1_write8(gus, SNDRV_GF1_VB_VOLUME_CONTROL, ramp_ctrl);
}
spin_unlock_irqrestore(&gus->reg_lock, flags);
}
spin_lock_irqsave(&gus->reg_lock, flags);
guard(spinlock_irqsave)(&gus->reg_lock);
for (voice = 0; voice < pcmp->voices; voice++) {
snd_gf1_select_voice(gus, pcmp->pvoices[voice]->number);
if (gus->gf1.enh_mode)
@ -156,7 +153,6 @@ static void snd_gf1_pcm_trigger_up(struct snd_pcm_substream *substream)
voice_ctrl &= ~0x20; /* disable IRQ for next voice */
}
}
spin_unlock_irqrestore(&gus->reg_lock, flags);
}
static void snd_gf1_pcm_interrupt_wave(struct snd_gus_card * gus,
@ -182,7 +178,7 @@ static void snd_gf1_pcm_interrupt_wave(struct snd_gus_card * gus,
gus = pcmp->gus;
runtime = pcmp->substream->runtime;
spin_lock(&gus->reg_lock);
scoped_guard(spinlock, &gus->reg_lock) {
snd_gf1_select_voice(gus, pvoice->number);
voice_ctrl = snd_gf1_read8(gus, SNDRV_GF1_VB_ADDRESS_CONTROL) & ~0x8b;
ramp_ctrl = (snd_gf1_read8(gus, SNDRV_GF1_VB_VOLUME_CONTROL) & ~0xa4) | 0x03;
@ -227,7 +223,7 @@ static void snd_gf1_pcm_interrupt_wave(struct snd_gus_card * gus,
voice_ctrl &= ~0x20;
}
}
spin_unlock(&gus->reg_lock);
}
snd_pcm_period_elapsed(pcmp->substream);
#if 0
@ -252,10 +248,10 @@ static void snd_gf1_pcm_interrupt_volume(struct snd_gus_card * gus,
struct gus_pcm_private *pcmp = pvoice->private_data;
/* stop ramp, but leave rollover bit untouched */
spin_lock(&gus->reg_lock);
scoped_guard(spinlock, &gus->reg_lock) {
snd_gf1_select_voice(gus, pvoice->number);
snd_gf1_ctrl_stop(gus, SNDRV_GF1_VB_VOLUME_CONTROL);
spin_unlock(&gus->reg_lock);
}
if (pcmp == NULL)
return;
/* are we active? */
@ -266,11 +262,10 @@ static void snd_gf1_pcm_interrupt_volume(struct snd_gus_card * gus,
if (pcmp->substream == NULL)
return;
vol = !cvoice ? gus->gf1.pcm_volume_level_left : gus->gf1.pcm_volume_level_right;
spin_lock(&gus->reg_lock);
guard(spinlock)(&gus->reg_lock);
snd_gf1_select_voice(gus, pvoice->number);
snd_gf1_write16(gus, SNDRV_GF1_VW_VOLUME, vol);
pcmp->final_volume = 1;
spin_unlock(&gus->reg_lock);
}
static void snd_gf1_pcm_volume_change(struct snd_gus_card * gus)
@ -282,7 +277,6 @@ static int snd_gf1_pcm_poke_block(struct snd_gus_card *gus, unsigned char *buf,
int w16, int invert)
{
unsigned int len;
unsigned long flags;
while (count > 0) {
len = count;
@ -290,7 +284,7 @@ static int snd_gf1_pcm_poke_block(struct snd_gus_card *gus, unsigned char *buf,
len = 512;
count -= len;
if (gus->interwave) {
spin_lock_irqsave(&gus->reg_lock, flags);
guard(spinlock_irqsave)(&gus->reg_lock);
snd_gf1_write8(gus, SNDRV_GF1_GB_MEMORY_CONTROL, 0x01 | (invert ? 0x08 : 0x00));
snd_gf1_dram_addr(gus, pos);
if (w16) {
@ -299,7 +293,6 @@ static int snd_gf1_pcm_poke_block(struct snd_gus_card *gus, unsigned char *buf,
} else {
outsb(GUSP(gus, DRAM), buf, len);
}
spin_unlock_irqrestore(&gus->reg_lock, flags);
buf += 512;
pos += 512;
} else {
@ -479,9 +472,9 @@ static int snd_gf1_pcm_playback_trigger(struct snd_pcm_substream *substream,
if (cmd == SNDRV_PCM_TRIGGER_START) {
snd_gf1_pcm_trigger_up(substream);
} else if (cmd == SNDRV_PCM_TRIGGER_STOP) {
spin_lock(&pcmp->lock);
scoped_guard(spinlock, &pcmp->lock) {
pcmp->flags &= ~SNDRV_GF1_PCM_PFLG_ACTIVE;
spin_unlock(&pcmp->lock);
}
voice = pcmp->pvoices[0]->number;
snd_gf1_stop_voices(gus, voice, voice);
if (pcmp->pvoices[1]) {
@ -503,7 +496,7 @@ static snd_pcm_uframes_t snd_gf1_pcm_playback_pointer(struct snd_pcm_substream *
unsigned char voice_ctrl;
pos = 0;
spin_lock(&gus->reg_lock);
guard(spinlock)(&gus->reg_lock);
if (pcmp->flags & SNDRV_GF1_PCM_PFLG_ACTIVE) {
snd_gf1_select_voice(gus, pcmp->pvoices[0]->number);
voice_ctrl = snd_gf1_read8(gus, SNDRV_GF1_VB_ADDRESS_CONTROL);
@ -512,7 +505,6 @@ static snd_pcm_uframes_t snd_gf1_pcm_playback_pointer(struct snd_pcm_substream *
pos <<= 1;
pos = bytes_to_frames(runtime, pos);
}
spin_unlock(&gus->reg_lock);
return pos;
}
@ -572,10 +564,9 @@ static int snd_gf1_pcm_capture_trigger(struct snd_pcm_substream *substream,
return -EINVAL;
}
spin_lock(&gus->reg_lock);
guard(spinlock)(&gus->reg_lock);
snd_gf1_write8(gus, SNDRV_GF1_GB_REC_DMA_CONTROL, val);
snd_gf1_look8(gus, SNDRV_GF1_GB_REC_DMA_CONTROL);
spin_unlock(&gus->reg_lock);
return 0;
}
@ -724,19 +715,16 @@ static int snd_gf1_pcm_volume_info(struct snd_kcontrol *kcontrol, struct snd_ctl
static int snd_gf1_pcm_volume_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
{
struct snd_gus_card *gus = snd_kcontrol_chip(kcontrol);
unsigned long flags;
spin_lock_irqsave(&gus->pcm_volume_level_lock, flags);
guard(spinlock_irqsave)(&gus->pcm_volume_level_lock);
ucontrol->value.integer.value[0] = gus->gf1.pcm_volume_level_left1;
ucontrol->value.integer.value[1] = gus->gf1.pcm_volume_level_right1;
spin_unlock_irqrestore(&gus->pcm_volume_level_lock, flags);
return 0;
}
static int snd_gf1_pcm_volume_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
{
struct snd_gus_card *gus = snd_kcontrol_chip(kcontrol);
unsigned long flags;
int change;
unsigned int idx;
unsigned short val1, val2, vol;
@ -745,16 +733,16 @@ static int snd_gf1_pcm_volume_put(struct snd_kcontrol *kcontrol, struct snd_ctl_
val1 = ucontrol->value.integer.value[0] & 127;
val2 = ucontrol->value.integer.value[1] & 127;
spin_lock_irqsave(&gus->pcm_volume_level_lock, flags);
scoped_guard(spinlock_irqsave, &gus->pcm_volume_level_lock) {
change = val1 != gus->gf1.pcm_volume_level_left1 ||
val2 != gus->gf1.pcm_volume_level_right1;
gus->gf1.pcm_volume_level_left1 = val1;
gus->gf1.pcm_volume_level_right1 = val2;
gus->gf1.pcm_volume_level_left = snd_gf1_lvol_to_gvol_raw(val1 << 9) << 4;
gus->gf1.pcm_volume_level_right = snd_gf1_lvol_to_gvol_raw(val2 << 9) << 4;
spin_unlock_irqrestore(&gus->pcm_volume_level_lock, flags);
}
/* are we active? */
spin_lock_irqsave(&gus->voice_alloc, flags);
scoped_guard(spinlock_irqsave, &gus->voice_alloc) {
for (idx = 0; idx < 32; idx++) {
pvoice = &gus->gf1.voices[idx];
if (!pvoice->pcm)
@ -763,15 +751,14 @@ static int snd_gf1_pcm_volume_put(struct snd_kcontrol *kcontrol, struct snd_ctl_
if (!(pcmp->flags & SNDRV_GF1_PCM_PFLG_ACTIVE))
continue;
/* load real volume - better precision */
spin_lock(&gus->reg_lock);
guard(spinlock)(&gus->reg_lock);
snd_gf1_select_voice(gus, pvoice->number);
snd_gf1_ctrl_stop(gus, SNDRV_GF1_VB_VOLUME_CONTROL);
vol = pvoice == pcmp->pvoices[0] ? gus->gf1.pcm_volume_level_left : gus->gf1.pcm_volume_level_right;
snd_gf1_write16(gus, SNDRV_GF1_VW_VOLUME, vol);
pcmp->final_volume = 1;
spin_unlock(&gus->reg_lock);
}
spin_unlock_irqrestore(&gus->voice_alloc, flags);
}
return change;
}

48
sound/isa/gus/gus_reset.c
View File

@ -83,26 +83,20 @@ void snd_gf1_set_default_handlers(struct snd_gus_card * gus, unsigned int what)
static void snd_gf1_clear_regs(struct snd_gus_card * gus)
{
unsigned long flags;
spin_lock_irqsave(&gus->reg_lock, flags);
guard(spinlock_irqsave)(&gus->reg_lock);
inb(GUSP(gus, IRQSTAT));
snd_gf1_write8(gus, 0x41, 0); /* DRAM DMA Control Register */
snd_gf1_write8(gus, 0x45, 0); /* Timer Control */
snd_gf1_write8(gus, 0x49, 0); /* Sampling Control Register */
spin_unlock_irqrestore(&gus->reg_lock, flags);
}
static void snd_gf1_look_regs(struct snd_gus_card * gus)
{
unsigned long flags;
spin_lock_irqsave(&gus->reg_lock, flags);
guard(spinlock_irqsave)(&gus->reg_lock);
snd_gf1_look8(gus, 0x41); /* DRAM DMA Control Register */
snd_gf1_look8(gus, 0x49); /* Sampling Control Register */
inb(GUSP(gus, IRQSTAT));
snd_gf1_read8(gus, 0x0f); /* IRQ Source Register */
spin_unlock_irqrestore(&gus->reg_lock, flags);
}
/*
@ -111,9 +105,7 @@ static void snd_gf1_look_regs(struct snd_gus_card * gus)
void snd_gf1_smart_stop_voice(struct snd_gus_card * gus, unsigned short voice)
{
unsigned long flags;
spin_lock_irqsave(&gus->reg_lock, flags);
guard(spinlock_irqsave)(&gus->reg_lock);
snd_gf1_select_voice(gus, voice);
#if 0
dev_dbg(gus->card->dev,
@ -122,14 +114,11 @@ void snd_gf1_smart_stop_voice(struct snd_gus_card * gus, unsigned short voice)
#endif
snd_gf1_ctrl_stop(gus, SNDRV_GF1_VB_ADDRESS_CONTROL);
snd_gf1_ctrl_stop(gus, SNDRV_GF1_VB_VOLUME_CONTROL);
spin_unlock_irqrestore(&gus->reg_lock, flags);
}
void snd_gf1_stop_voice(struct snd_gus_card * gus, unsigned short voice)
{
unsigned long flags;
spin_lock_irqsave(&gus->reg_lock, flags);
guard(spinlock_irqsave)(&gus->reg_lock);
snd_gf1_select_voice(gus, voice);
#if 0
dev_dbg(gus->card->dev,
@ -140,13 +129,11 @@ void snd_gf1_stop_voice(struct snd_gus_card * gus, unsigned short voice)
snd_gf1_ctrl_stop(gus, SNDRV_GF1_VB_VOLUME_CONTROL);
if (gus->gf1.enh_mode)
snd_gf1_write8(gus, SNDRV_GF1_VB_ACCUMULATOR, 0);
spin_unlock_irqrestore(&gus->reg_lock, flags);
}
static void snd_gf1_clear_voices(struct snd_gus_card * gus, unsigned short v_min,
unsigned short v_max)
{
unsigned long flags;
unsigned int daddr;
unsigned short i, w_16;
@ -156,7 +143,7 @@ static void snd_gf1_clear_voices(struct snd_gus_card * gus, unsigned short v_min
if (gus->gf1.syn_voices)
gus->gf1.syn_voices[i].flags = ~VFLG_DYNAMIC;
#endif
spin_lock_irqsave(&gus->reg_lock, flags);
guard(spinlock_irqsave)(&gus->reg_lock);
snd_gf1_select_voice(gus, i);
snd_gf1_ctrl_stop(gus, SNDRV_GF1_VB_ADDRESS_CONTROL); /* Voice Control Register = voice stop */
snd_gf1_ctrl_stop(gus, SNDRV_GF1_VB_VOLUME_CONTROL); /* Volume Ramp Control Register = ramp off */
@ -177,19 +164,17 @@ static void snd_gf1_clear_voices(struct snd_gus_card * gus, unsigned short v_min
snd_gf1_write16(gus, SNDRV_GF1_VW_EFFECT_VOLUME, 0);
snd_gf1_write16(gus, SNDRV_GF1_VW_EFFECT_VOLUME_FINAL, 0);
}
spin_unlock_irqrestore(&gus->reg_lock, flags);
}
}
void snd_gf1_stop_voices(struct snd_gus_card * gus, unsigned short v_min, unsigned short v_max)
{
unsigned long flags;
short i, ramp_ok;
unsigned short ramp_end;
if (!in_interrupt()) { /* this can't be done in interrupt */
for (i = v_min, ramp_ok = 0; i <= v_max; i++) {
spin_lock_irqsave(&gus->reg_lock, flags);
guard(spinlock_irqsave)(&gus->reg_lock);
snd_gf1_select_voice(gus, i);
ramp_end = snd_gf1_read16(gus, 9) >> 8;
if (ramp_end > SNDRV_GF1_MIN_OFFSET) {
@ -203,7 +188,6 @@ void snd_gf1_stop_voices(struct snd_gus_card * gus, unsigned short v_min, unsign
snd_gf1_write8(gus, SNDRV_GF1_VB_VOLUME_CONTROL, 0x40);
}
}
spin_unlock_irqrestore(&gus->reg_lock, flags);
}
msleep_interruptible(50);
}
@ -236,21 +220,17 @@ static void snd_gf1_alloc_voice_use(struct snd_gus_card * gus,
struct snd_gus_voice *snd_gf1_alloc_voice(struct snd_gus_card * gus, int type, int client, int port)
{
struct snd_gus_voice *pvoice;
unsigned long flags;
int idx;
spin_lock_irqsave(&gus->voice_alloc, flags);
guard(spinlock_irqsave)(&gus->voice_alloc);
if (type == SNDRV_GF1_VOICE_TYPE_PCM) {
if (gus->gf1.pcm_alloc_voices >= gus->gf1.pcm_channels) {
spin_unlock_irqrestore(&gus->voice_alloc, flags);
if (gus->gf1.pcm_alloc_voices >= gus->gf1.pcm_channels)
return NULL;
}
}
for (idx = 0; idx < 32; idx++) {
pvoice = &gus->gf1.voices[idx];
if (!pvoice->use) {
snd_gf1_alloc_voice_use(gus, pvoice, type, client, port);
spin_unlock_irqrestore(&gus->voice_alloc, flags);
return pvoice;
}
}
@ -259,24 +239,21 @@ struct snd_gus_voice *snd_gf1_alloc_voice(struct snd_gus_card * gus, int type, i
if (pvoice->midi && !pvoice->client) {
snd_gf1_clear_voices(gus, pvoice->number, pvoice->number);
snd_gf1_alloc_voice_use(gus, pvoice, type, client, port);
spin_unlock_irqrestore(&gus->voice_alloc, flags);
return pvoice;
}
}
spin_unlock_irqrestore(&gus->voice_alloc, flags);
return NULL;
}
void snd_gf1_free_voice(struct snd_gus_card * gus, struct snd_gus_voice *voice)
{
unsigned long flags;
void (*private_free)(struct snd_gus_voice *voice);
if (voice == NULL || !voice->use)
return;
snd_gf1_set_default_handlers(gus, SNDRV_GF1_HANDLER_VOICE | voice->number);
snd_gf1_clear_voices(gus, voice->number, voice->number);
spin_lock_irqsave(&gus->voice_alloc, flags);
scoped_guard(spinlock_irqsave, &gus->voice_alloc) {
private_free = voice->private_free;
voice->private_free = NULL;
voice->private_data = NULL;
@ -284,7 +261,7 @@ void snd_gf1_free_voice(struct snd_gus_card * gus, struct snd_gus_voice *voice)
gus->gf1.pcm_alloc_voices--;
voice->use = voice->pcm = 0;
voice->sample_ops = NULL;
spin_unlock_irqrestore(&gus->voice_alloc, flags);
}
if (private_free)
private_free(voice);
}
@ -295,7 +272,6 @@ void snd_gf1_free_voice(struct snd_gus_card * gus, struct snd_gus_voice *voice)
int snd_gf1_start(struct snd_gus_card * gus)
{
unsigned long flags;
unsigned int i;
snd_gf1_i_write8(gus, SNDRV_GF1_GB_RESET, 0); /* reset GF1 */
@ -344,10 +320,10 @@ int snd_gf1_start(struct snd_gus_card * gus)
}
while ((snd_gf1_i_read8(gus, SNDRV_GF1_GB_VOICES_IRQ) & 0xc0) != 0xc0);
spin_lock_irqsave(&gus->reg_lock, flags);
scoped_guard(spinlock_irqsave, &gus->reg_lock) {
outb(gus->gf1.active_voice = 0, GUSP(gus, GF1PAGE));
outb(gus->mix_cntrl_reg, GUSP(gus, MIXCNTRLREG));
spin_unlock_irqrestore(&gus->reg_lock, flags);
}
snd_gf1_timers_init(gus);
snd_gf1_look_regs(gus);

16
sound/isa/gus/gus_timer.c
View File

@ -16,33 +16,29 @@
static int snd_gf1_timer1_start(struct snd_timer * timer)
{
unsigned long flags;
unsigned char tmp;
unsigned int ticks;
struct snd_gus_card *gus;
gus = snd_timer_chip(timer);
spin_lock_irqsave(&gus->reg_lock, flags);
guard(spinlock_irqsave)(&gus->reg_lock);
ticks = timer->sticks;
tmp = (gus->gf1.timer_enabled |= 4);
snd_gf1_write8(gus, SNDRV_GF1_GB_ADLIB_TIMER_1, 256 - ticks); /* timer 1 count */
snd_gf1_write8(gus, SNDRV_GF1_GB_SOUND_BLASTER_CONTROL, tmp); /* enable timer 1 IRQ */
snd_gf1_adlib_write(gus, 0x04, tmp >> 2); /* timer 2 start */
spin_unlock_irqrestore(&gus->reg_lock, flags);
return 0;
}
static int snd_gf1_timer1_stop(struct snd_timer * timer)
{
unsigned long flags;
unsigned char tmp;
struct snd_gus_card *gus;
gus = snd_timer_chip(timer);
spin_lock_irqsave(&gus->reg_lock, flags);
guard(spinlock_irqsave)(&gus->reg_lock);
tmp = (gus->gf1.timer_enabled &= ~4);
snd_gf1_write8(gus, SNDRV_GF1_GB_SOUND_BLASTER_CONTROL, tmp); /* disable timer #1 */
spin_unlock_irqrestore(&gus->reg_lock, flags);
return 0;
}
@ -52,33 +48,29 @@ static int snd_gf1_timer1_stop(struct snd_timer * timer)
static int snd_gf1_timer2_start(struct snd_timer * timer)
{
unsigned long flags;
unsigned char tmp;
unsigned int ticks;
struct snd_gus_card *gus;
gus = snd_timer_chip(timer);
spin_lock_irqsave(&gus->reg_lock, flags);
guard(spinlock_irqsave)(&gus->reg_lock);
ticks = timer->sticks;
tmp = (gus->gf1.timer_enabled |= 8);
snd_gf1_write8(gus, SNDRV_GF1_GB_ADLIB_TIMER_2, 256 - ticks); /* timer 2 count */
snd_gf1_write8(gus, SNDRV_GF1_GB_SOUND_BLASTER_CONTROL, tmp); /* enable timer 2 IRQ */
snd_gf1_adlib_write(gus, 0x04, tmp >> 2); /* timer 2 start */
spin_unlock_irqrestore(&gus->reg_lock, flags);
return 0;
}
static int snd_gf1_timer2_stop(struct snd_timer * timer)
{
unsigned long flags;
unsigned char tmp;
struct snd_gus_card *gus;
gus = snd_timer_chip(timer);
spin_lock_irqsave(&gus->reg_lock, flags);
guard(spinlock_irqsave)(&gus->reg_lock);
tmp = (gus->gf1.timer_enabled &= ~8);
snd_gf1_write8(gus, SNDRV_GF1_GB_SOUND_BLASTER_CONTROL, tmp); /* disable timer #1 */
spin_unlock_irqrestore(&gus->reg_lock, flags);
return 0;
}

24
sound/isa/gus/gus_uart.c
View File

@ -49,13 +49,12 @@ static void snd_gf1_interrupt_midi_in(struct snd_gus_card * gus)
static void snd_gf1_interrupt_midi_out(struct snd_gus_card * gus)
{
char byte;
unsigned long flags;
/* try unlock output */
if (snd_gf1_uart_stat(gus) & 0x01)
snd_gf1_interrupt_midi_in(gus);
spin_lock_irqsave(&gus->uart_cmd_lock, flags);
guard(spinlock_irqsave)(&gus->uart_cmd_lock);
if (snd_gf1_uart_stat(gus) & 0x02) { /* Tx FIFO free? */
if (snd_rawmidi_transmit(gus->midi_substream_output, &byte, 1) != 1) { /* no other bytes or error */
snd_gf1_uart_cmd(gus, gus->gf1.uart_cmd & ~0x20); /* disable Tx interrupt */
@ -63,7 +62,6 @@ static void snd_gf1_interrupt_midi_out(struct snd_gus_card * gus)
snd_gf1_uart_put(gus, byte);
}
}
spin_unlock_irqrestore(&gus->uart_cmd_lock, flags);
}
static void snd_gf1_uart_reset(struct snd_gus_card * gus, int close)
@ -77,17 +75,15 @@ static void snd_gf1_uart_reset(struct snd_gus_card * gus, int close)
static int snd_gf1_uart_output_open(struct snd_rawmidi_substream *substream)
{
unsigned long flags;
struct snd_gus_card *gus;
gus = substream->rmidi->private_data;
spin_lock_irqsave(&gus->uart_cmd_lock, flags);
guard(spinlock_irqsave)(&gus->uart_cmd_lock);
if (!(gus->gf1.uart_cmd & 0x80)) { /* input active? */
snd_gf1_uart_reset(gus, 0);
}
gus->gf1.interrupt_handler_midi_out = snd_gf1_interrupt_midi_out;
gus->midi_substream_output = substream;
spin_unlock_irqrestore(&gus->uart_cmd_lock, flags);
#if 0
dev_dbg(gus->card->dev,
"write init - cmd = 0x%x, stat = 0x%x\n",
@ -98,12 +94,11 @@ static int snd_gf1_uart_output_open(struct snd_rawmidi_substream *substream)
static int snd_gf1_uart_input_open(struct snd_rawmidi_substream *substream)
{
unsigned long flags;
struct snd_gus_card *gus;
int i;
gus = substream->rmidi->private_data;
spin_lock_irqsave(&gus->uart_cmd_lock, flags);
guard(spinlock_irqsave)(&gus->uart_cmd_lock);
if (gus->gf1.interrupt_handler_midi_out != snd_gf1_interrupt_midi_out) {
snd_gf1_uart_reset(gus, 0);
}
@ -115,7 +110,6 @@ static int snd_gf1_uart_input_open(struct snd_rawmidi_substream *substream)
if (i >= 1000)
dev_err(gus->card->dev, "gus midi uart init read - cleanup error\n");
}
spin_unlock_irqrestore(&gus->uart_cmd_lock, flags);
#if 0
dev_dbg(gus->card->dev,
"read init - enable = %i, cmd = 0x%x, stat = 0x%x\n",
@ -130,42 +124,37 @@ static int snd_gf1_uart_input_open(struct snd_rawmidi_substream *substream)
static int snd_gf1_uart_output_close(struct snd_rawmidi_substream *substream)
{
unsigned long flags;
struct snd_gus_card *gus;
gus = substream->rmidi->private_data;
spin_lock_irqsave(&gus->uart_cmd_lock, flags);
guard(spinlock_irqsave)(&gus->uart_cmd_lock);
if (gus->gf1.interrupt_handler_midi_in != snd_gf1_interrupt_midi_in)
snd_gf1_uart_reset(gus, 1);
snd_gf1_set_default_handlers(gus, SNDRV_GF1_HANDLER_MIDI_OUT);
gus->midi_substream_output = NULL;
spin_unlock_irqrestore(&gus->uart_cmd_lock, flags);
return 0;
}
static int snd_gf1_uart_input_close(struct snd_rawmidi_substream *substream)
{
unsigned long flags;
struct snd_gus_card *gus;
gus = substream->rmidi->private_data;
spin_lock_irqsave(&gus->uart_cmd_lock, flags);
guard(spinlock_irqsave)(&gus->uart_cmd_lock);
if (gus->gf1.interrupt_handler_midi_out != snd_gf1_interrupt_midi_out)
snd_gf1_uart_reset(gus, 1);
snd_gf1_set_default_handlers(gus, SNDRV_GF1_HANDLER_MIDI_IN);
gus->midi_substream_input = NULL;
spin_unlock_irqrestore(&gus->uart_cmd_lock, flags);
return 0;
}
static void snd_gf1_uart_input_trigger(struct snd_rawmidi_substream *substream, int up)
{
struct snd_gus_card *gus;
unsigned long flags;
gus = substream->rmidi->private_data;
spin_lock_irqsave(&gus->uart_cmd_lock, flags);
guard(spinlock_irqsave)(&gus->uart_cmd_lock);
if (up) {
if ((gus->gf1.uart_cmd & 0x80) == 0)
snd_gf1_uart_cmd(gus, gus->gf1.uart_cmd | 0x80); /* enable Rx interrupts */
@ -173,7 +162,6 @@ static void snd_gf1_uart_input_trigger(struct snd_rawmidi_substream *substream,
if (gus->gf1.uart_cmd & 0x80)
snd_gf1_uart_cmd(gus, gus->gf1.uart_cmd & ~0x80); /* disable Rx interrupts */
}
spin_unlock_irqrestore(&gus->uart_cmd_lock, flags);
}
static void snd_gf1_uart_output_trigger(struct snd_rawmidi_substream *substream, int up)

9
sound/isa/gus/gusextreme.c
View File

@ -145,7 +145,6 @@ static int snd_gusextreme_gus_card_create(struct snd_card *card,
static int snd_gusextreme_detect(struct snd_gus_card *gus,
struct snd_es1688 *es1688)
{
unsigned long flags;
unsigned char d;
/*
@ -162,17 +161,17 @@ static int snd_gusextreme_detect(struct snd_gus_card *gus,
* 0x260 = 2,2,1
*/
spin_lock_irqsave(&es1688->mixer_lock, flags);
scoped_guard(spinlock_irqsave, &es1688->mixer_lock) {
snd_es1688_mixer_write(es1688, 0x40, 0x0b); /* don't change!!! */
spin_unlock_irqrestore(&es1688->mixer_lock, flags);
}
spin_lock_irqsave(&es1688->reg_lock, flags);
scoped_guard(spinlock_irqsave, &es1688->reg_lock) {
outb(gus->gf1.port & 0x040 ? 2 : 0, ES1688P(es1688, INIT1));
outb(0, 0x201);
outb(gus->gf1.port & 0x020 ? 2 : 0, ES1688P(es1688, INIT1));
outb(0, 0x201);
outb(gus->gf1.port & 0x010 ? 3 : 1, ES1688P(es1688, INIT1));
spin_unlock_irqrestore(&es1688->reg_lock, flags);
}
udelay(100);

11
sound/isa/gus/interwave.c
View File

@ -239,7 +239,6 @@ static int snd_interwave_detect(struct snd_interwave *iwcard,
#endif
)
{
unsigned long flags;
unsigned char rev1, rev2;
int d;
@ -257,12 +256,12 @@ static int snd_interwave_detect(struct snd_interwave *iwcard,
dev_dbg(gus->card->dev, "[0x%lx] check 2 failed - 0x%x\n", gus->gf1.port, d);
return -ENODEV;
}
spin_lock_irqsave(&gus->reg_lock, flags);
scoped_guard(spinlock_irqsave, &gus->reg_lock) {
rev1 = snd_gf1_look8(gus, SNDRV_GF1_GB_VERSION_NUMBER);
snd_gf1_write8(gus, SNDRV_GF1_GB_VERSION_NUMBER, ~rev1);
rev2 = snd_gf1_look8(gus, SNDRV_GF1_GB_VERSION_NUMBER);
snd_gf1_write8(gus, SNDRV_GF1_GB_VERSION_NUMBER, rev1);
spin_unlock_irqrestore(&gus->reg_lock, flags);
}
dev_dbg(gus->card->dev,
"[0x%lx] InterWave check - rev1=0x%x, rev2=0x%x\n",
gus->gf1.port, rev1, rev2);
@ -457,10 +456,8 @@ static void snd_interwave_detect_memory(struct snd_gus_card *gus)
static void snd_interwave_init(int dev, struct snd_gus_card *gus)
{
unsigned long flags;
/* ok.. some InterWave specific initialization */
spin_lock_irqsave(&gus->reg_lock, flags);
scoped_guard(spinlock_irqsave, &gus->reg_lock) {
snd_gf1_write8(gus, SNDRV_GF1_GB_SOUND_BLASTER_CONTROL, 0x00);
snd_gf1_write8(gus, SNDRV_GF1_GB_COMPATIBILITY, 0x1f);
snd_gf1_write8(gus, SNDRV_GF1_GB_DECODE_CONTROL, 0x49);
@ -468,7 +465,7 @@ static void snd_interwave_init(int dev, struct snd_gus_card *gus)
snd_gf1_write8(gus, SNDRV_GF1_GB_MPU401_CONTROL_A, 0x00);
snd_gf1_write8(gus, SNDRV_GF1_GB_MPU401_CONTROL_B, 0x30);
snd_gf1_write8(gus, SNDRV_GF1_GB_EMULATION_IRQ, 0x00);
spin_unlock_irqrestore(&gus->reg_lock, flags);
}
gus->equal_irq = 1;
gus->codec_flag = 1;
gus->interwave = 1;