X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=sound%2Fpci%2Femu10k1%2Fio.c;h=ef5304df8c1184a25c5955f94d6c9132e9ddea51;hb=43bc926fffd92024b46cafaf7350d669ba9ca884;hp=95f85d770147dd7cc4aad7719bdd9c1cfa709091;hpb=5273a3df6485dc2ad6aa7ddd441b9a21970f003b;p=linux-2.6.git

diff --git a/sound/pci/emu10k1/io.c b/sound/pci/emu10k1/io.c
index 95f85d770..ef5304df8 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 +92,78 @@ void snd_emu10k1_ptr_write(emu10k1_t *emu, unsigned int reg, unsigned int chn, u
 	}
 }
 
-void snd_emu10k1_intr_enable(emu10k1_t *emu, unsigned int intrenb)
+unsigned int snd_emu10k1_ptr20_read(struct snd_emu10k1 * emu, 
+					  unsigned int reg, 
+					  unsigned int chn)
+{
+	unsigned long flags;
+	unsigned int regptr, val;
+  
+	regptr = (reg << 16) | chn;
+
+	spin_lock_irqsave(&emu->emu_lock, flags);
+	outl(regptr, emu->port + 0x20 + PTR);
+	val = inl(emu->port + 0x20 + DATA);
+	spin_unlock_irqrestore(&emu->emu_lock, flags);
+	return val;
+}
+
+void snd_emu10k1_ptr20_write(struct snd_emu10k1 *emu, 
+				   unsigned int reg, 
+				   unsigned int chn, 
+				   unsigned int data)
+{
+	unsigned int regptr;
+	unsigned long flags;
+
+	regptr = (reg << 16) | chn;
+
+	spin_lock_irqsave(&emu->emu_lock, flags);
+	outl(regptr, emu->port + 0x20 + PTR);
+	outl(data, emu->port + 0x20 + DATA);
+	spin_unlock_irqrestore(&emu->emu_lock, flags);
+}
+
+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;
@@ -102,7 +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;
@@ -113,7 +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;
@@ -133,7 +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;
@@ -153,7 +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;
 
@@ -170,7 +242,64 @@ void snd_emu10k1_voice_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_half_loop_intr_enable(struct snd_emu10k1 *emu, unsigned int voicenum)
+{
+	unsigned long flags;
+	unsigned int val;
+
+	spin_lock_irqsave(&emu->emu_lock, flags);
+	/* voice interrupt */
+	if (voicenum >= 32) {
+		outl(HLIEH << 16, emu->port + PTR);
+		val = inl(emu->port + DATA);
+		val |= 1 << (voicenum - 32);
+	} else {
+		outl(HLIEL << 16, emu->port + PTR);
+		val = inl(emu->port + DATA);
+		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);
+	/* voice interrupt */
+	if (voicenum >= 32) {
+		outl(HLIEH << 16, emu->port + PTR);
+		val = inl(emu->port + DATA);
+		val &= ~(1 << (voicenum - 32));
+	} else {
+		outl(HLIEL << 16, emu->port + PTR);
+		val = inl(emu->port + DATA);
+		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);
+	/* voice interrupt */
+	if (voicenum >= 32) {
+		outl(HLIPH << 16, emu->port + PTR);
+		voicenum = 1 << (voicenum - 32);
+	} else {
+		outl(HLIPL << 16, emu->port + PTR);
+		voicenum = 1 << voicenum;
+	}
+	outl(voicenum, emu->port + DATA);
+	spin_unlock_irqrestore(&emu->emu_lock, flags);
+}
+
+void snd_emu10k1_voice_set_loop_stop(struct snd_emu10k1 *emu, unsigned int voicenum)
 {
 	unsigned long flags;
 	unsigned int sol;
@@ -190,7 +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;
@@ -210,7 +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;
@@ -229,9 +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 = snd_magic_cast(emu10k1_t, ac97->private_data, return -ENXIO);
+	struct snd_emu10k1 *emu = ac97->private_data;
 	unsigned long flags;
 	unsigned short val;
 
@@ -242,9 +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 = snd_magic_cast(emu10k1_t, ac97->private_data, return);
+	struct snd_emu10k1 *emu = ac97->private_data;
 	unsigned long flags;
 
 	spin_lock_irqsave(&emu->emu_lock, flags);
@@ -313,28 +442,3 @@ unsigned int snd_emu10k1_rate_to_pitch(unsigned int rate)
 	return 0;		/* Should never reach this point */
 }
 
-/*
- *  Returns an attenuation based upon a cumulative volume value
- *  Algorithm calculates 0x200 - 0x10 log2 (input)
- */
- 
-unsigned char snd_emu10k1_sum_vol_attn(unsigned int value)
-{
-	unsigned short count = 16, ans;
-
-	if (value == 0)
-		return 0xFF;
-
-	/* Find first SET bit. This is the integer part of the value */
-	while ((value & 0x10000) == 0) {
-		value <<= 1;
-		count--;
-	}
-
-	/* The REST of the data is the fractional part. */
-	ans = (unsigned short) (0x110 - ((count << 4) + ((value & 0x0FFFFL) >> 12)));
-	if (ans > 0xFF)
-		ans = 0xFF;
-
-	return (unsigned char) ans;
-}