X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=sound%2Fpci%2Femu10k1%2Fio.c;h=029e7856c43beaa7d171a22696d95410119b7b43;hb=97bf2856c6014879bd04983a3e9dfcdac1e7fe85;hp=b9d3ae0dcab7aaf297eb76a8470b3a042911c177;hpb=f7f1b0f1e2fbadeab12d24236000e778aa9b1ead;p=linux-2.6.git

diff --git a/sound/pci/emu10k1/io.c b/sound/pci/emu10k1/io.c
index b9d3ae0dc..029e7856c 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 +62,9 @@ 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)
+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;
@@ -91,7 +94,9 @@ void snd_emu10k1_ptr_write(emu10k1_t *emu, unsigned int reg, unsigned int chn, u
 	}
 }
 
-unsigned int snd_emu10k1_ptr20_read(emu10k1_t * emu, 
+EXPORT_SYMBOL(snd_emu10k1_ptr_write);
+
+unsigned int snd_emu10k1_ptr20_read(struct snd_emu10k1 * emu, 
 					  unsigned int reg, 
 					  unsigned int chn)
 {
@@ -107,7 +112,7 @@ 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 +128,46 @@ 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 +178,7 @@ 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 +189,7 @@ 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 +209,7 @@ 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 +229,7 @@ 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 +246,7 @@ 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 +266,7 @@ 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 +286,7 @@ 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 +303,7 @@ 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 +323,7 @@ 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 +343,7 @@ 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 +362,9 @@ 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 +375,9 @@ 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);