aboutsummaryrefslogtreecommitdiff
path: root/sound/pci/emu10k1/io.c
diff options
context:
space:
mode:
Diffstat (limited to 'sound/pci/emu10k1/io.c')
-rw-r--r--sound/pci/emu10k1/io.c220
1 files changed, 198 insertions, 22 deletions
diff --git a/sound/pci/emu10k1/io.c b/sound/pci/emu10k1/io.c
index b9d3ae0dcab..706b4f0c680 100644
--- a/sound/pci/emu10k1/io.c
+++ b/sound/pci/emu10k1/io.c
@@ -1,5 +1,5 @@
/*
- * Copyright (c) by Jaroslav Kysela <perex@suse.cz>
+ * Copyright (c) by Jaroslav Kysela <perex@perex.cz>
* Creative Labs, Inc.
* Routines for control of EMU10K1 chips
*
@@ -25,12 +25,14 @@
*
*/
-#include <sound/driver.h>
#include <linux/time.h>
#include <sound/core.h>
#include <sound/emu10k1.h>
+#include <linux/delay.h>
+#include <linux/export.h>
+#include "p17v.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;
@@ -61,12 +63,16 @@ 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;
unsigned int mask;
+ if (snd_BUG_ON(!emu))
+ return;
mask = emu->audigy ? A_PTR_ADDRESS_MASK : PTR_ADDRESS_MASK;
regptr = ((reg << 16) & mask) | (chn & PTR_CHANNELNUM_MASK);
@@ -91,7 +97,9 @@ 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 +115,7 @@ 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 +131,175 @@ 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;
+ int err = 0;
+
+ /* This function is not re-entrant, so protect against it. */
+ spin_lock(&emu->spi_lock);
+ if (emu->card_capabilities->ca0108_chip)
+ reg = 0x3c; /* PTR20, reg 0x3c */
+ else {
+ /* For other chip types the SPI register
+ * is currently unknown. */
+ err = 1;
+ goto spi_write_exit;
+ }
+ if (data > 0xffff) {
+ /* Only 16bit values allowed */
+ err = 1;
+ goto spi_write_exit;
+ }
+
+ 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 */
+ err = 1;
+ goto spi_write_exit;
+ }
+ 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;
+}
+
+/* The ADC does not support i2c read, so only write is implemented */
+int snd_emu10k1_i2c_write(struct snd_emu10k1 *emu,
+ u32 reg,
+ u32 value)
+{
+ u32 tmp;
+ 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");
+ return -EINVAL;
+ }
+
+ /* This function is not re-entrant, so protect against it. */
+ spin_lock(&emu->i2c_lock);
+
+ tmp = reg << 25 | value << 16;
+
+ /* This controls the I2C connected to the WM8775 ADC Codec */
+ snd_emu10k1_ptr20_write(emu, P17V_I2C_1, 0, tmp);
+ tmp = snd_emu10k1_ptr20_read(emu, P17V_I2C_1, 0); /* write post */
+
+ for (retry = 0; retry < 10; retry++) {
+ /* Send the data to i2c */
+ tmp = 0;
+ tmp = tmp | (I2C_A_ADC_LAST|I2C_A_ADC_START|I2C_A_ADC_ADD);
+ snd_emu10k1_ptr20_write(emu, P17V_I2C_ADDR, 0, tmp);
+
+ /* Wait till the transaction ends */
+ while (1) {
+ mdelay(1);
+ status = snd_emu10k1_ptr20_read(emu, P17V_I2C_ADDR, 0);
+ timeout++;
+ if ((status & I2C_A_ADC_START) == 0)
+ break;
+
+ if (timeout > 1000) {
+ dev_warn(emu->card->dev,
+ "emu10k1:I2C:timeout status=0x%x\n",
+ status);
+ break;
+ }
+ }
+ //Read back and see if the transaction is successful
+ if ((status & I2C_A_ADC_ABORT) == 0)
+ break;
+ }
+
+ if (retry == 10) {
+ dev_err(emu->card->dev, "Writing to ADC failed!\n");
+ dev_err(emu->card->dev, "status=0x%x, reg=%d, value=%d\n",
+ status, reg, value);
+ /* dump_stack(); */
+ err = -EINVAL;
+ }
+
+ spin_unlock(&emu->i2c_lock);
+ return err;
+}
+
+int snd_emu1010_fpga_write(struct snd_emu10k1 * emu, u32 reg, u32 value)
+{
+ unsigned long flags;
+
+ if (reg > 0x3f)
+ return 1;
+ reg += 0x40; /* 0x40 upwards are registers. */
+ if (value > 0x3f) /* 0 to 0x3f are values */
+ return 1;
+ spin_lock_irqsave(&emu->emu_lock, flags);
+ outl(reg, emu->port + A_IOCFG);
+ udelay(10);
+ outl(reg | 0x80, emu->port + A_IOCFG); /* High bit clocks the value into the fpga. */
+ udelay(10);
+ outl(value, emu->port + A_IOCFG);
+ udelay(10);
+ outl(value | 0x80 , emu->port + A_IOCFG); /* High bit clocks the value into the fpga. */
+ spin_unlock_irqrestore(&emu->emu_lock, flags);
+
+ return 0;
+}
+
+int snd_emu1010_fpga_read(struct snd_emu10k1 * emu, u32 reg, u32 *value)
+{
+ unsigned long flags;
+ if (reg > 0x3f)
+ return 1;
+ reg += 0x40; /* 0x40 upwards are registers. */
+ spin_lock_irqsave(&emu->emu_lock, flags);
+ outl(reg, emu->port + A_IOCFG);
+ udelay(10);
+ outl(reg | 0x80, emu->port + A_IOCFG); /* High bit clocks the value into the fpga. */
+ udelay(10);
+ *value = ((inl(emu->port + A_IOCFG) >> 8) & 0x7f);
+ spin_unlock_irqrestore(&emu->emu_lock, flags);
+
+ return 0;
+}
+
+/* Each Destination has one and only one Source,
+ * but one Source can feed any number of Destinations simultaneously.
+ */
+int snd_emu1010_fpga_link_dst_src_write(struct snd_emu10k1 * emu, u32 dst, u32 src)
+{
+ snd_emu1010_fpga_write(emu, 0x00, ((dst >> 8) & 0x3f) );
+ snd_emu1010_fpga_write(emu, 0x01, (dst & 0x3f) );
+ snd_emu1010_fpga_write(emu, 0x02, ((src >> 8) & 0x3f) );
+ snd_emu1010_fpga_write(emu, 0x03, (src & 0x3f) );
+
+ return 0;
+}
+
+void snd_emu10k1_intr_enable(struct snd_emu10k1 *emu, unsigned int intrenb)
{
unsigned long flags;
unsigned int enable;
@@ -134,7 +310,7 @@ 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 +321,7 @@ 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 +341,7 @@ 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 +361,7 @@ 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 +378,7 @@ 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 +398,7 @@ 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 +418,7 @@ 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 +435,7 @@ 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 +455,7 @@ 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 +475,7 @@ 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;
@@ -312,15 +488,15 @@ void snd_emu10k1_wait(emu10k1_t *emu, unsigned int wait)
if (newtime != curtime)
break;
}
- if (count >= 16384)
+ if (count > 16384)
break;
curtime = newtime;
}
}
-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 +507,9 @@ 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 v1.2.3-70-g09d2 (git 2.46.0) at 2025-12-05 20:00:43 +0000