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path: root/sound/pci/emu10k1/io.c
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Diffstat (limited to 'sound/pci/emu10k1/io.c')
-rw-r--r--sound/pci/emu10k1/io.c123
1 files changed, 34 insertions, 89 deletions
diff --git a/sound/pci/emu10k1/io.c b/sound/pci/emu10k1/io.c
index b60ab5671e00..9c897c3e8c28 100644
--- a/sound/pci/emu10k1/io.c
+++ b/sound/pci/emu10k1/io.c
@@ -30,7 +30,6 @@ static inline bool check_ptr_reg(struct snd_emu10k1 *emu, unsigned int reg)
unsigned int snd_emu10k1_ptr_read(struct snd_emu10k1 * emu, unsigned int reg, unsigned int chn)
{
- unsigned long flags;
unsigned int regptr, val;
unsigned int mask;
@@ -38,10 +37,10 @@ unsigned int snd_emu10k1_ptr_read(struct snd_emu10k1 * emu, unsigned int reg, un
if (!check_ptr_reg(emu, regptr))
return 0;
- spin_lock_irqsave(&emu->emu_lock, flags);
- outl(regptr, emu->port + PTR);
- val = inl(emu->port + DATA);
- spin_unlock_irqrestore(&emu->emu_lock, flags);
+ scoped_guard(spinlock_irqsave, &emu->emu_lock) {
+ outl(regptr, emu->port + PTR);
+ val = inl(emu->port + DATA);
+ }
if (reg & 0xff000000) {
unsigned char size, offset;
@@ -61,13 +60,13 @@ EXPORT_SYMBOL(snd_emu10k1_ptr_read);
void snd_emu10k1_ptr_write(struct snd_emu10k1 *emu, unsigned int reg, unsigned int chn, unsigned int data)
{
unsigned int regptr;
- unsigned long flags;
unsigned int mask;
regptr = (reg << 16) | chn;
if (!check_ptr_reg(emu, regptr))
return;
+ guard(spinlock_irqsave)(&emu->emu_lock);
if (reg & 0xff000000) {
unsigned char size, offset;
@@ -79,15 +78,12 @@ void snd_emu10k1_ptr_write(struct snd_emu10k1 *emu, unsigned int reg, unsigned i
mask <<= offset;
data <<= offset;
- spin_lock_irqsave(&emu->emu_lock, flags);
outl(regptr, emu->port + PTR);
data |= inl(emu->port + DATA) & ~mask;
} else {
- spin_lock_irqsave(&emu->emu_lock, flags);
outl(regptr, emu->port + PTR);
}
outl(data, emu->port + DATA);
- spin_unlock_irqrestore(&emu->emu_lock, flags);
}
EXPORT_SYMBOL(snd_emu10k1_ptr_write);
@@ -96,7 +92,6 @@ void snd_emu10k1_ptr_write_multiple(struct snd_emu10k1 *emu, unsigned int chn, .
{
va_list va;
u32 addr_mask;
- unsigned long flags;
if (snd_BUG_ON(!emu))
return;
@@ -105,7 +100,7 @@ void snd_emu10k1_ptr_write_multiple(struct snd_emu10k1 *emu, unsigned int chn, .
addr_mask = ~((emu->audigy ? A_PTR_ADDRESS_MASK : PTR_ADDRESS_MASK) >> 16);
va_start(va, chn);
- spin_lock_irqsave(&emu->emu_lock, flags);
+ guard(spinlock_irqsave)(&emu->emu_lock);
for (;;) {
u32 data;
u32 reg = va_arg(va, u32);
@@ -117,7 +112,6 @@ void snd_emu10k1_ptr_write_multiple(struct snd_emu10k1 *emu, unsigned int chn, .
outl((reg << 16) | chn, emu->port + PTR);
outl(data, emu->port + DATA);
}
- spin_unlock_irqrestore(&emu->emu_lock, flags);
va_end(va);
}
@@ -127,16 +121,13 @@ unsigned int snd_emu10k1_ptr20_read(struct snd_emu10k1 * emu,
unsigned int reg,
unsigned int chn)
{
- unsigned long flags;
- unsigned int regptr, val;
+ unsigned int regptr;
regptr = (reg << 16) | chn;
- spin_lock_irqsave(&emu->emu_lock, flags);
+ guard(spinlock_irqsave)(&emu->emu_lock);
outl(regptr, emu->port + PTR2);
- val = inl(emu->port + DATA2);
- spin_unlock_irqrestore(&emu->emu_lock, flags);
- return val;
+ return inl(emu->port + DATA2);
}
void snd_emu10k1_ptr20_write(struct snd_emu10k1 *emu,
@@ -145,14 +136,12 @@ void snd_emu10k1_ptr20_write(struct snd_emu10k1 *emu,
unsigned int data)
{
unsigned int regptr;
- unsigned long flags;
regptr = (reg << 16) | chn;
- spin_lock_irqsave(&emu->emu_lock, flags);
+ guard(spinlock_irqsave)(&emu->emu_lock);
outl(regptr, emu->port + PTR2);
outl(data, emu->port + DATA2);
- spin_unlock_irqrestore(&emu->emu_lock, flags);
}
int snd_emu10k1_spi_write(struct snd_emu10k1 * emu,
@@ -161,22 +150,19 @@ int snd_emu10k1_spi_write(struct snd_emu10k1 * emu,
unsigned int reset, set;
unsigned int reg, tmp;
int n, result;
- int err = 0;
/* This function is not re-entrant, so protect against it. */
- spin_lock(&emu->spi_lock);
+ guard(spinlock)(&emu->spi_lock);
if (emu->card_capabilities->ca0108_chip)
reg = P17V_SPI;
else {
/* For other chip types the SPI register
* is currently unknown. */
- err = 1;
- goto spi_write_exit;
+ return 1;
}
if (data > 0xffff) {
/* Only 16bit values allowed */
- err = 1;
- goto spi_write_exit;
+ return 1;
}
tmp = snd_emu10k1_ptr20_read(emu, reg, 0);
@@ -197,15 +183,11 @@ int snd_emu10k1_spi_write(struct snd_emu10k1 * emu,
}
if (result) {
/* Timed out */
- err = 1;
- goto spi_write_exit;
+ return 1;
}
snd_emu10k1_ptr20_write(emu, reg, 0, reset | data);
tmp = snd_emu10k1_ptr20_read(emu, reg, 0); /* Write post */
- err = 0;
-spi_write_exit:
- spin_unlock(&emu->spi_lock);
- return err;
+ return 0;
}
/* The ADC does not support i2c read, so only write is implemented */
@@ -217,7 +199,6 @@ int snd_emu10k1_i2c_write(struct snd_emu10k1 *emu,
int timeout = 0;
int status;
int retry;
- int err = 0;
if ((reg > 0x7f) || (value > 0x1ff)) {
dev_err(emu->card->dev, "i2c_write: invalid values.\n");
@@ -225,7 +206,7 @@ int snd_emu10k1_i2c_write(struct snd_emu10k1 *emu,
}
/* This function is not re-entrant, so protect against it. */
- spin_lock(&emu->i2c_lock);
+ guard(spinlock)(&emu->i2c_lock);
tmp = reg << 25 | value << 16;
@@ -264,11 +245,10 @@ int snd_emu10k1_i2c_write(struct snd_emu10k1 *emu,
dev_err(emu->card->dev, "status=0x%x, reg=%d, value=%d\n",
status, reg, value);
/* dump_stack(); */
- err = -EINVAL;
+ return -EINVAL;
}
- spin_unlock(&emu->i2c_lock);
- return err;
+ return 0;
}
static void snd_emu1010_fpga_write_locked(struct snd_emu10k1 *emu, u32 reg, u32 value)
@@ -297,9 +277,8 @@ void snd_emu1010_fpga_write(struct snd_emu10k1 *emu, u32 reg, u32 value)
void snd_emu1010_fpga_write_lock(struct snd_emu10k1 *emu, u32 reg, u32 value)
{
- snd_emu1010_fpga_lock(emu);
+ guard(snd_emu1010_fpga_lock)(emu);
snd_emu1010_fpga_write_locked(emu, reg, value);
- snd_emu1010_fpga_unlock(emu);
}
void snd_emu1010_fpga_read(struct snd_emu10k1 *emu, u32 reg, u32 *value)
@@ -477,32 +456,27 @@ void snd_emu1010_load_firmware_entry(struct snd_emu10k1 *emu, int dock,
void snd_emu10k1_intr_enable(struct snd_emu10k1 *emu, unsigned int intrenb)
{
- unsigned long flags;
unsigned int enable;
- spin_lock_irqsave(&emu->emu_lock, flags);
+ guard(spinlock_irqsave)(&emu->emu_lock);
enable = inl(emu->port + INTE) | intrenb;
outl(enable, emu->port + INTE);
- spin_unlock_irqrestore(&emu->emu_lock, flags);
}
void snd_emu10k1_intr_disable(struct snd_emu10k1 *emu, unsigned int intrenb)
{
- unsigned long flags;
unsigned int enable;
- spin_lock_irqsave(&emu->emu_lock, flags);
+ guard(spinlock_irqsave)(&emu->emu_lock);
enable = inl(emu->port + INTE) & ~intrenb;
outl(enable, emu->port + INTE);
- spin_unlock_irqrestore(&emu->emu_lock, flags);
}
void snd_emu10k1_voice_intr_enable(struct snd_emu10k1 *emu, unsigned int voicenum)
{
- unsigned long flags;
unsigned int val;
- spin_lock_irqsave(&emu->emu_lock, flags);
+ guard(spinlock_irqsave)(&emu->emu_lock);
if (voicenum >= 32) {
outl(CLIEH << 16, emu->port + PTR);
val = inl(emu->port + DATA);
@@ -513,15 +487,13 @@ void snd_emu10k1_voice_intr_enable(struct snd_emu10k1 *emu, unsigned int voicenu
val |= 1 << voicenum;
}
outl(val, emu->port + DATA);
- spin_unlock_irqrestore(&emu->emu_lock, flags);
}
void snd_emu10k1_voice_intr_disable(struct snd_emu10k1 *emu, unsigned int voicenum)
{
- unsigned long flags;
unsigned int val;
- spin_lock_irqsave(&emu->emu_lock, flags);
+ guard(spinlock_irqsave)(&emu->emu_lock);
if (voicenum >= 32) {
outl(CLIEH << 16, emu->port + PTR);
val = inl(emu->port + DATA);
@@ -532,14 +504,11 @@ void snd_emu10k1_voice_intr_disable(struct snd_emu10k1 *emu, unsigned int voicen
val &= ~(1 << voicenum);
}
outl(val, emu->port + DATA);
- spin_unlock_irqrestore(&emu->emu_lock, flags);
}
void snd_emu10k1_voice_intr_ack(struct snd_emu10k1 *emu, unsigned int voicenum)
{
- unsigned long flags;
-
- spin_lock_irqsave(&emu->emu_lock, flags);
+ guard(spinlock_irqsave)(&emu->emu_lock);
if (voicenum >= 32) {
outl(CLIPH << 16, emu->port + PTR);
voicenum = 1 << (voicenum - 32);
@@ -548,15 +517,13 @@ void snd_emu10k1_voice_intr_ack(struct snd_emu10k1 *emu, unsigned int voicenum)
voicenum = 1 << voicenum;
}
outl(voicenum, emu->port + DATA);
- spin_unlock_irqrestore(&emu->emu_lock, flags);
}
void snd_emu10k1_voice_half_loop_intr_enable(struct snd_emu10k1 *emu, unsigned int voicenum)
{
- unsigned long flags;
unsigned int val;
- spin_lock_irqsave(&emu->emu_lock, flags);
+ guard(spinlock_irqsave)(&emu->emu_lock);
if (voicenum >= 32) {
outl(HLIEH << 16, emu->port + PTR);
val = inl(emu->port + DATA);
@@ -567,15 +534,13 @@ void snd_emu10k1_voice_half_loop_intr_enable(struct snd_emu10k1 *emu, unsigned i
val |= 1 << voicenum;
}
outl(val, emu->port + DATA);
- spin_unlock_irqrestore(&emu->emu_lock, flags);
}
void snd_emu10k1_voice_half_loop_intr_disable(struct snd_emu10k1 *emu, unsigned int voicenum)
{
- unsigned long flags;
unsigned int val;
- spin_lock_irqsave(&emu->emu_lock, flags);
+ guard(spinlock_irqsave)(&emu->emu_lock);
if (voicenum >= 32) {
outl(HLIEH << 16, emu->port + PTR);
val = inl(emu->port + DATA);
@@ -586,14 +551,11 @@ void snd_emu10k1_voice_half_loop_intr_disable(struct snd_emu10k1 *emu, unsigned
val &= ~(1 << voicenum);
}
outl(val, emu->port + DATA);
- spin_unlock_irqrestore(&emu->emu_lock, flags);
}
void snd_emu10k1_voice_half_loop_intr_ack(struct snd_emu10k1 *emu, unsigned int voicenum)
{
- unsigned long flags;
-
- spin_lock_irqsave(&emu->emu_lock, flags);
+ guard(spinlock_irqsave)(&emu->emu_lock);
if (voicenum >= 32) {
outl(HLIPH << 16, emu->port + PTR);
voicenum = 1 << (voicenum - 32);
@@ -602,16 +564,14 @@ void snd_emu10k1_voice_half_loop_intr_ack(struct snd_emu10k1 *emu, unsigned int
voicenum = 1 << voicenum;
}
outl(voicenum, emu->port + DATA);
- spin_unlock_irqrestore(&emu->emu_lock, flags);
}
#if 0
void snd_emu10k1_voice_set_loop_stop(struct snd_emu10k1 *emu, unsigned int voicenum)
{
- unsigned long flags;
unsigned int sol;
- spin_lock_irqsave(&emu->emu_lock, flags);
+ guard(spinlock_irqsave)(&emu->emu_lock);
if (voicenum >= 32) {
outl(SOLEH << 16, emu->port + PTR);
sol = inl(emu->port + DATA);
@@ -622,15 +582,13 @@ void snd_emu10k1_voice_set_loop_stop(struct snd_emu10k1 *emu, unsigned int voice
sol |= 1 << voicenum;
}
outl(sol, emu->port + DATA);
- spin_unlock_irqrestore(&emu->emu_lock, flags);
}
void snd_emu10k1_voice_clear_loop_stop(struct snd_emu10k1 *emu, unsigned int voicenum)
{
- unsigned long flags;
unsigned int sol;
- spin_lock_irqsave(&emu->emu_lock, flags);
+ guard(spinlock_irqsave)(&emu->emu_lock);
if (voicenum >= 32) {
outl(SOLEH << 16, emu->port + PTR);
sol = inl(emu->port + DATA);
@@ -641,32 +599,25 @@ void snd_emu10k1_voice_clear_loop_stop(struct snd_emu10k1 *emu, unsigned int voi
sol &= ~(1 << voicenum);
}
outl(sol, emu->port + DATA);
- spin_unlock_irqrestore(&emu->emu_lock, flags);
}
#endif
void snd_emu10k1_voice_set_loop_stop_multiple(struct snd_emu10k1 *emu, u64 voices)
{
- unsigned long flags;
-
- spin_lock_irqsave(&emu->emu_lock, flags);
+ guard(spinlock_irqsave)(&emu->emu_lock);
outl(SOLEL << 16, emu->port + PTR);
outl(inl(emu->port + DATA) | (u32)voices, emu->port + DATA);
outl(SOLEH << 16, emu->port + PTR);
outl(inl(emu->port + DATA) | (u32)(voices >> 32), emu->port + DATA);
- spin_unlock_irqrestore(&emu->emu_lock, flags);
}
void snd_emu10k1_voice_clear_loop_stop_multiple(struct snd_emu10k1 *emu, u64 voices)
{
- unsigned long flags;
-
- spin_lock_irqsave(&emu->emu_lock, flags);
+ guard(spinlock_irqsave)(&emu->emu_lock);
outl(SOLEL << 16, emu->port + PTR);
outl(inl(emu->port + DATA) & (u32)~voices, emu->port + DATA);
outl(SOLEH << 16, emu->port + PTR);
outl(inl(emu->port + DATA) & (u32)(~voices >> 32), emu->port + DATA);
- spin_unlock_irqrestore(&emu->emu_lock, flags);
}
int snd_emu10k1_voice_clear_loop_stop_multiple_atomic(struct snd_emu10k1 *emu, u64 voices)
@@ -749,23 +700,17 @@ void snd_emu10k1_wait(struct snd_emu10k1 *emu, unsigned int wait)
unsigned short snd_emu10k1_ac97_read(struct snd_ac97 *ac97, unsigned short reg)
{
struct snd_emu10k1 *emu = ac97->private_data;
- unsigned long flags;
- unsigned short val;
- spin_lock_irqsave(&emu->emu_lock, flags);
+ guard(spinlock_irqsave)(&emu->emu_lock);
outb(reg, emu->port + AC97ADDRESS);
- val = inw(emu->port + AC97DATA);
- spin_unlock_irqrestore(&emu->emu_lock, flags);
- return val;
+ return inw(emu->port + AC97DATA);
}
void snd_emu10k1_ac97_write(struct snd_ac97 *ac97, unsigned short reg, unsigned short data)
{
struct snd_emu10k1 *emu = ac97->private_data;
- unsigned long flags;
- spin_lock_irqsave(&emu->emu_lock, flags);
+ guard(spinlock_irqsave)(&emu->emu_lock);
outb(reg, emu->port + AC97ADDRESS);
outw(data, emu->port + AC97DATA);
- spin_unlock_irqrestore(&emu->emu_lock, flags);
}
generated by cgit v1.2.3 (git 2.46.0) at 2025-10-03 11:02:11 +0000