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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.c78
1 files changed, 59 insertions, 19 deletions
diff --git a/sound/pci/emu10k1/io.c b/sound/pci/emu10k1/io.c
index b9d3ae0dcab7..ef5304df8c11 100644
--- a/sound/pci/emu10k1/io.c
+++ b/sound/pci/emu10k1/io.c
@@ -29,8 +29,9 @@
#include <linux/time.h>
#include <sound/core.h>
#include <sound/emu10k1.h>
+#include <linux/delay.h>
-unsigned int snd_emu10k1_ptr_read(emu10k1_t * emu, unsigned int reg, unsigned int chn)
+unsigned int snd_emu10k1_ptr_read(struct snd_emu10k1 * emu, unsigned int reg, unsigned int chn)
{
unsigned long flags;
unsigned int regptr, val;
@@ -61,7 +62,7 @@ unsigned int snd_emu10k1_ptr_read(emu10k1_t * emu, unsigned int reg, unsigned in
}
}
-void snd_emu10k1_ptr_write(emu10k1_t *emu, unsigned int reg, unsigned int chn, unsigned int data)
+void snd_emu10k1_ptr_write(struct snd_emu10k1 *emu, unsigned int reg, unsigned int chn, unsigned int data)
{
unsigned int regptr;
unsigned long flags;
@@ -91,7 +92,7 @@ void snd_emu10k1_ptr_write(emu10k1_t *emu, unsigned int reg, unsigned int chn, u
}
}
-unsigned int snd_emu10k1_ptr20_read(emu10k1_t * emu,
+unsigned int snd_emu10k1_ptr20_read(struct snd_emu10k1 * emu,
unsigned int reg,
unsigned int chn)
{
@@ -107,7 +108,7 @@ unsigned int snd_emu10k1_ptr20_read(emu10k1_t * emu,
return val;
}
-void snd_emu10k1_ptr20_write(emu10k1_t *emu,
+void snd_emu10k1_ptr20_write(struct snd_emu10k1 *emu,
unsigned int reg,
unsigned int chn,
unsigned int data)
@@ -123,7 +124,46 @@ void snd_emu10k1_ptr20_write(emu10k1_t *emu,
spin_unlock_irqrestore(&emu->emu_lock, flags);
}
-void snd_emu10k1_intr_enable(emu10k1_t *emu, unsigned int intrenb)
+int snd_emu10k1_spi_write(struct snd_emu10k1 * emu,
+ unsigned int data)
+{
+ unsigned int reset, set;
+ unsigned int reg, tmp;
+ int n, result;
+ if (emu->card_capabilities->ca0108_chip)
+ reg = 0x3c; /* PTR20, reg 0x3c */
+ else {
+ /* For other chip types the SPI register
+ * is currently unknown. */
+ return 1;
+ }
+ if (data > 0xffff) /* Only 16bit values allowed */
+ return 1;
+
+ tmp = snd_emu10k1_ptr20_read(emu, reg, 0);
+ reset = (tmp & ~0x3ffff) | 0x20000; /* Set xxx20000 */
+ set = reset | 0x10000; /* Set xxx1xxxx */
+ snd_emu10k1_ptr20_write(emu, reg, 0, reset | data);
+ tmp = snd_emu10k1_ptr20_read(emu, reg, 0); /* write post */
+ snd_emu10k1_ptr20_write(emu, reg, 0, set | data);
+ result = 1;
+ /* Wait for status bit to return to 0 */
+ for (n = 0; n < 100; n++) {
+ udelay(10);
+ tmp = snd_emu10k1_ptr20_read(emu, reg, 0);
+ if (!(tmp & 0x10000)) {
+ result = 0;
+ break;
+ }
+ }
+ if (result) /* Timed out */
+ return 1;
+ snd_emu10k1_ptr20_write(emu, reg, 0, reset | data);
+ tmp = snd_emu10k1_ptr20_read(emu, reg, 0); /* Write post */
+ return 0;
+}
+
+void snd_emu10k1_intr_enable(struct snd_emu10k1 *emu, unsigned int intrenb)
{
unsigned long flags;
unsigned int enable;
@@ -134,7 +174,7 @@ void snd_emu10k1_intr_enable(emu10k1_t *emu, unsigned int intrenb)
spin_unlock_irqrestore(&emu->emu_lock, flags);
}
-void snd_emu10k1_intr_disable(emu10k1_t *emu, unsigned int intrenb)
+void snd_emu10k1_intr_disable(struct snd_emu10k1 *emu, unsigned int intrenb)
{
unsigned long flags;
unsigned int enable;
@@ -145,7 +185,7 @@ void snd_emu10k1_intr_disable(emu10k1_t *emu, unsigned int intrenb)
spin_unlock_irqrestore(&emu->emu_lock, flags);
}
-void snd_emu10k1_voice_intr_enable(emu10k1_t *emu, unsigned int voicenum)
+void snd_emu10k1_voice_intr_enable(struct snd_emu10k1 *emu, unsigned int voicenum)
{
unsigned long flags;
unsigned int val;
@@ -165,7 +205,7 @@ void snd_emu10k1_voice_intr_enable(emu10k1_t *emu, unsigned int voicenum)
spin_unlock_irqrestore(&emu->emu_lock, flags);
}
-void snd_emu10k1_voice_intr_disable(emu10k1_t *emu, unsigned int voicenum)
+void snd_emu10k1_voice_intr_disable(struct snd_emu10k1 *emu, unsigned int voicenum)
{
unsigned long flags;
unsigned int val;
@@ -185,7 +225,7 @@ void snd_emu10k1_voice_intr_disable(emu10k1_t *emu, unsigned int voicenum)
spin_unlock_irqrestore(&emu->emu_lock, flags);
}
-void snd_emu10k1_voice_intr_ack(emu10k1_t *emu, unsigned int voicenum)
+void snd_emu10k1_voice_intr_ack(struct snd_emu10k1 *emu, unsigned int voicenum)
{
unsigned long flags;
@@ -202,7 +242,7 @@ void snd_emu10k1_voice_intr_ack(emu10k1_t *emu, unsigned int voicenum)
spin_unlock_irqrestore(&emu->emu_lock, flags);
}
-void snd_emu10k1_voice_half_loop_intr_enable(emu10k1_t *emu, unsigned int voicenum)
+void snd_emu10k1_voice_half_loop_intr_enable(struct snd_emu10k1 *emu, unsigned int voicenum)
{
unsigned long flags;
unsigned int val;
@@ -222,7 +262,7 @@ void snd_emu10k1_voice_half_loop_intr_enable(emu10k1_t *emu, unsigned int voicen
spin_unlock_irqrestore(&emu->emu_lock, flags);
}
-void snd_emu10k1_voice_half_loop_intr_disable(emu10k1_t *emu, unsigned int voicenum)
+void snd_emu10k1_voice_half_loop_intr_disable(struct snd_emu10k1 *emu, unsigned int voicenum)
{
unsigned long flags;
unsigned int val;
@@ -242,7 +282,7 @@ void snd_emu10k1_voice_half_loop_intr_disable(emu10k1_t *emu, unsigned int voice
spin_unlock_irqrestore(&emu->emu_lock, flags);
}
-void snd_emu10k1_voice_half_loop_intr_ack(emu10k1_t *emu, unsigned int voicenum)
+void snd_emu10k1_voice_half_loop_intr_ack(struct snd_emu10k1 *emu, unsigned int voicenum)
{
unsigned long flags;
@@ -259,7 +299,7 @@ void snd_emu10k1_voice_half_loop_intr_ack(emu10k1_t *emu, unsigned int voicenum)
spin_unlock_irqrestore(&emu->emu_lock, flags);
}
-void snd_emu10k1_voice_set_loop_stop(emu10k1_t *emu, unsigned int voicenum)
+void snd_emu10k1_voice_set_loop_stop(struct snd_emu10k1 *emu, unsigned int voicenum)
{
unsigned long flags;
unsigned int sol;
@@ -279,7 +319,7 @@ void snd_emu10k1_voice_set_loop_stop(emu10k1_t *emu, unsigned int voicenum)
spin_unlock_irqrestore(&emu->emu_lock, flags);
}
-void snd_emu10k1_voice_clear_loop_stop(emu10k1_t *emu, unsigned int voicenum)
+void snd_emu10k1_voice_clear_loop_stop(struct snd_emu10k1 *emu, unsigned int voicenum)
{
unsigned long flags;
unsigned int sol;
@@ -299,7 +339,7 @@ void snd_emu10k1_voice_clear_loop_stop(emu10k1_t *emu, unsigned int voicenum)
spin_unlock_irqrestore(&emu->emu_lock, flags);
}
-void snd_emu10k1_wait(emu10k1_t *emu, unsigned int wait)
+void snd_emu10k1_wait(struct snd_emu10k1 *emu, unsigned int wait)
{
volatile unsigned count;
unsigned int newtime = 0, curtime;
@@ -318,9 +358,9 @@ void snd_emu10k1_wait(emu10k1_t *emu, unsigned int wait)
}
}
-unsigned short snd_emu10k1_ac97_read(ac97_t *ac97, unsigned short reg)
+unsigned short snd_emu10k1_ac97_read(struct snd_ac97 *ac97, unsigned short reg)
{
- emu10k1_t *emu = ac97->private_data;
+ struct snd_emu10k1 *emu = ac97->private_data;
unsigned long flags;
unsigned short val;
@@ -331,9 +371,9 @@ unsigned short snd_emu10k1_ac97_read(ac97_t *ac97, unsigned short reg)
return val;
}
-void snd_emu10k1_ac97_write(ac97_t *ac97, unsigned short reg, unsigned short data)
+void snd_emu10k1_ac97_write(struct snd_ac97 *ac97, unsigned short reg, unsigned short data)
{
- emu10k1_t *emu = ac97->private_data;
+ struct snd_emu10k1 *emu = ac97->private_data;
unsigned long flags;
spin_lock_irqsave(&emu->emu_lock, flags);
generated by cgit v1.2.3 (git 2.39.0) at 2024-12-29 10:43:16 +0300