#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;
}
}
-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;
}
}
-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;
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;
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;
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;
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;
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;
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;
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;
}
}
-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;
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);
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;
-}