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path: root/sound/oss/dmasound/trans_16.c
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Diffstat (limited to 'sound/oss/dmasound/trans_16.c')
-rw-r--r--sound/oss/dmasound/trans_16.c898
1 files changed, 0 insertions, 898 deletions
diff --git a/sound/oss/dmasound/trans_16.c b/sound/oss/dmasound/trans_16.c
deleted file mode 100644
index ca973ac2a30a..000000000000
--- a/sound/oss/dmasound/trans_16.c
+++ /dev/null
@@ -1,898 +0,0 @@
-/*
- * linux/sound/oss/dmasound/trans_16.c
- *
- * 16 bit translation routines. Only used by Power mac at present.
- *
- * See linux/sound/oss/dmasound/dmasound_core.c for copyright and
- * history prior to 08/02/2001.
- *
- * 08/02/2001 Iain Sandoe
- * split from dmasound_awacs.c
- * 11/29/2003 Renzo Davoli (King Enzo)
- * - input resampling (for soft rate < hard rate)
- * - software line in gain control
- */
-
-#include <linux/soundcard.h>
-#include <asm/uaccess.h>
-#include "dmasound.h"
-
-extern int expand_bal; /* Balance factor for expanding (not volume!) */
-static short dmasound_alaw2dma16[] ;
-static short dmasound_ulaw2dma16[] ;
-
-static ssize_t pmac_ct_law(const u_char __user *userPtr, size_t userCount,
- u_char frame[], ssize_t *frameUsed,
- ssize_t frameLeft);
-static ssize_t pmac_ct_s8(const u_char __user *userPtr, size_t userCount,
- u_char frame[], ssize_t *frameUsed,
- ssize_t frameLeft);
-static ssize_t pmac_ct_u8(const u_char __user *userPtr, size_t userCount,
- u_char frame[], ssize_t *frameUsed,
- ssize_t frameLeft);
-static ssize_t pmac_ct_s16(const u_char __user *userPtr, size_t userCount,
- u_char frame[], ssize_t *frameUsed,
- ssize_t frameLeft);
-static ssize_t pmac_ct_u16(const u_char __user *userPtr, size_t userCount,
- u_char frame[], ssize_t *frameUsed,
- ssize_t frameLeft);
-
-static ssize_t pmac_ctx_law(const u_char __user *userPtr, size_t userCount,
- u_char frame[], ssize_t *frameUsed,
- ssize_t frameLeft);
-static ssize_t pmac_ctx_s8(const u_char __user *userPtr, size_t userCount,
- u_char frame[], ssize_t *frameUsed,
- ssize_t frameLeft);
-static ssize_t pmac_ctx_u8(const u_char __user *userPtr, size_t userCount,
- u_char frame[], ssize_t *frameUsed,
- ssize_t frameLeft);
-static ssize_t pmac_ctx_s16(const u_char __user *userPtr, size_t userCount,
- u_char frame[], ssize_t *frameUsed,
- ssize_t frameLeft);
-static ssize_t pmac_ctx_u16(const u_char __user *userPtr, size_t userCount,
- u_char frame[], ssize_t *frameUsed,
- ssize_t frameLeft);
-
-static ssize_t pmac_ct_s16_read(const u_char __user *userPtr, size_t userCount,
- u_char frame[], ssize_t *frameUsed,
- ssize_t frameLeft);
-static ssize_t pmac_ct_u16_read(const u_char __user *userPtr, size_t userCount,
- u_char frame[], ssize_t *frameUsed,
- ssize_t frameLeft);
-
-/*** Translations ************************************************************/
-
-static int expand_data; /* Data for expanding */
-
-static ssize_t pmac_ct_law(const u_char __user *userPtr, size_t userCount,
- u_char frame[], ssize_t *frameUsed,
- ssize_t frameLeft)
-{
- short *table = dmasound.soft.format == AFMT_MU_LAW
- ? dmasound_ulaw2dma16 : dmasound_alaw2dma16;
- ssize_t count, used;
- short *p = (short *) &frame[*frameUsed];
- int val, stereo = dmasound.soft.stereo;
-
- frameLeft >>= 2;
- if (stereo)
- userCount >>= 1;
- used = count = min_t(unsigned long, userCount, frameLeft);
- while (count > 0) {
- u_char data;
- if (get_user(data, userPtr++))
- return -EFAULT;
- val = table[data];
- *p++ = val;
- if (stereo) {
- if (get_user(data, userPtr++))
- return -EFAULT;
- val = table[data];
- }
- *p++ = val;
- count--;
- }
- *frameUsed += used * 4;
- return stereo? used * 2: used;
-}
-
-
-static ssize_t pmac_ct_s8(const u_char __user *userPtr, size_t userCount,
- u_char frame[], ssize_t *frameUsed,
- ssize_t frameLeft)
-{
- ssize_t count, used;
- short *p = (short *) &frame[*frameUsed];
- int val, stereo = dmasound.soft.stereo;
-
- frameLeft >>= 2;
- if (stereo)
- userCount >>= 1;
- used = count = min_t(unsigned long, userCount, frameLeft);
- while (count > 0) {
- u_char data;
- if (get_user(data, userPtr++))
- return -EFAULT;
- val = data << 8;
- *p++ = val;
- if (stereo) {
- if (get_user(data, userPtr++))
- return -EFAULT;
- val = data << 8;
- }
- *p++ = val;
- count--;
- }
- *frameUsed += used * 4;
- return stereo? used * 2: used;
-}
-
-
-static ssize_t pmac_ct_u8(const u_char __user *userPtr, size_t userCount,
- u_char frame[], ssize_t *frameUsed,
- ssize_t frameLeft)
-{
- ssize_t count, used;
- short *p = (short *) &frame[*frameUsed];
- int val, stereo = dmasound.soft.stereo;
-
- frameLeft >>= 2;
- if (stereo)
- userCount >>= 1;
- used = count = min_t(unsigned long, userCount, frameLeft);
- while (count > 0) {
- u_char data;
- if (get_user(data, userPtr++))
- return -EFAULT;
- val = (data ^ 0x80) << 8;
- *p++ = val;
- if (stereo) {
- if (get_user(data, userPtr++))
- return -EFAULT;
- val = (data ^ 0x80) << 8;
- }
- *p++ = val;
- count--;
- }
- *frameUsed += used * 4;
- return stereo? used * 2: used;
-}
-
-
-static ssize_t pmac_ct_s16(const u_char __user *userPtr, size_t userCount,
- u_char frame[], ssize_t *frameUsed,
- ssize_t frameLeft)
-{
- ssize_t count, used;
- int stereo = dmasound.soft.stereo;
- short *fp = (short *) &frame[*frameUsed];
-
- frameLeft >>= 2;
- userCount >>= (stereo? 2: 1);
- used = count = min_t(unsigned long, userCount, frameLeft);
- if (!stereo) {
- short __user *up = (short __user *) userPtr;
- while (count > 0) {
- short data;
- if (get_user(data, up++))
- return -EFAULT;
- *fp++ = data;
- *fp++ = data;
- count--;
- }
- } else {
- if (copy_from_user(fp, userPtr, count * 4))
- return -EFAULT;
- }
- *frameUsed += used * 4;
- return stereo? used * 4: used * 2;
-}
-
-static ssize_t pmac_ct_u16(const u_char __user *userPtr, size_t userCount,
- u_char frame[], ssize_t *frameUsed,
- ssize_t frameLeft)
-{
- ssize_t count, used;
- int mask = (dmasound.soft.format == AFMT_U16_LE? 0x0080: 0x8000);
- int stereo = dmasound.soft.stereo;
- short *fp = (short *) &frame[*frameUsed];
- short __user *up = (short __user *) userPtr;
-
- frameLeft >>= 2;
- userCount >>= (stereo? 2: 1);
- used = count = min_t(unsigned long, userCount, frameLeft);
- while (count > 0) {
- short data;
- if (get_user(data, up++))
- return -EFAULT;
- data ^= mask;
- *fp++ = data;
- if (stereo) {
- if (get_user(data, up++))
- return -EFAULT;
- data ^= mask;
- }
- *fp++ = data;
- count--;
- }
- *frameUsed += used * 4;
- return stereo? used * 4: used * 2;
-}
-
-
-static ssize_t pmac_ctx_law(const u_char __user *userPtr, size_t userCount,
- u_char frame[], ssize_t *frameUsed,
- ssize_t frameLeft)
-{
- unsigned short *table = (unsigned short *)
- (dmasound.soft.format == AFMT_MU_LAW
- ? dmasound_ulaw2dma16 : dmasound_alaw2dma16);
- unsigned int data = expand_data;
- unsigned int *p = (unsigned int *) &frame[*frameUsed];
- int bal = expand_bal;
- int hSpeed = dmasound.hard.speed, sSpeed = dmasound.soft.speed;
- int utotal, ftotal;
- int stereo = dmasound.soft.stereo;
-
- frameLeft >>= 2;
- if (stereo)
- userCount >>= 1;
- ftotal = frameLeft;
- utotal = userCount;
- while (frameLeft) {
- u_char c;
- if (bal < 0) {
- if (userCount == 0)
- break;
- if (get_user(c, userPtr++))
- return -EFAULT;
- data = table[c];
- if (stereo) {
- if (get_user(c, userPtr++))
- return -EFAULT;
- data = (data << 16) + table[c];
- } else
- data = (data << 16) + data;
- userCount--;
- bal += hSpeed;
- }
- *p++ = data;
- frameLeft--;
- bal -= sSpeed;
- }
- expand_bal = bal;
- expand_data = data;
- *frameUsed += (ftotal - frameLeft) * 4;
- utotal -= userCount;
- return stereo? utotal * 2: utotal;
-}
-
-static ssize_t pmac_ctx_s8(const u_char __user *userPtr, size_t userCount,
- u_char frame[], ssize_t *frameUsed,
- ssize_t frameLeft)
-{
- unsigned int *p = (unsigned int *) &frame[*frameUsed];
- unsigned int data = expand_data;
- int bal = expand_bal;
- int hSpeed = dmasound.hard.speed, sSpeed = dmasound.soft.speed;
- int stereo = dmasound.soft.stereo;
- int utotal, ftotal;
-
- frameLeft >>= 2;
- if (stereo)
- userCount >>= 1;
- ftotal = frameLeft;
- utotal = userCount;
- while (frameLeft) {
- u_char c;
- if (bal < 0) {
- if (userCount == 0)
- break;
- if (get_user(c, userPtr++))
- return -EFAULT;
- data = c << 8;
- if (stereo) {
- if (get_user(c, userPtr++))
- return -EFAULT;
- data = (data << 16) + (c << 8);
- } else
- data = (data << 16) + data;
- userCount--;
- bal += hSpeed;
- }
- *p++ = data;
- frameLeft--;
- bal -= sSpeed;
- }
- expand_bal = bal;
- expand_data = data;
- *frameUsed += (ftotal - frameLeft) * 4;
- utotal -= userCount;
- return stereo? utotal * 2: utotal;
-}
-
-
-static ssize_t pmac_ctx_u8(const u_char __user *userPtr, size_t userCount,
- u_char frame[], ssize_t *frameUsed,
- ssize_t frameLeft)
-{
- unsigned int *p = (unsigned int *) &frame[*frameUsed];
- unsigned int data = expand_data;
- int bal = expand_bal;
- int hSpeed = dmasound.hard.speed, sSpeed = dmasound.soft.speed;
- int stereo = dmasound.soft.stereo;
- int utotal, ftotal;
-
- frameLeft >>= 2;
- if (stereo)
- userCount >>= 1;
- ftotal = frameLeft;
- utotal = userCount;
- while (frameLeft) {
- u_char c;
- if (bal < 0) {
- if (userCount == 0)
- break;
- if (get_user(c, userPtr++))
- return -EFAULT;
- data = (c ^ 0x80) << 8;
- if (stereo) {
- if (get_user(c, userPtr++))
- return -EFAULT;
- data = (data << 16) + ((c ^ 0x80) << 8);
- } else
- data = (data << 16) + data;
- userCount--;
- bal += hSpeed;
- }
- *p++ = data;
- frameLeft--;
- bal -= sSpeed;
- }
- expand_bal = bal;
- expand_data = data;
- *frameUsed += (ftotal - frameLeft) * 4;
- utotal -= userCount;
- return stereo? utotal * 2: utotal;
-}
-
-
-static ssize_t pmac_ctx_s16(const u_char __user *userPtr, size_t userCount,
- u_char frame[], ssize_t *frameUsed,
- ssize_t frameLeft)
-{
- unsigned int *p = (unsigned int *) &frame[*frameUsed];
- unsigned int data = expand_data;
- unsigned short __user *up = (unsigned short __user *) userPtr;
- int bal = expand_bal;
- int hSpeed = dmasound.hard.speed, sSpeed = dmasound.soft.speed;
- int stereo = dmasound.soft.stereo;
- int utotal, ftotal;
-
- frameLeft >>= 2;
- userCount >>= (stereo? 2: 1);
- ftotal = frameLeft;
- utotal = userCount;
- while (frameLeft) {
- unsigned short c;
- if (bal < 0) {
- if (userCount == 0)
- break;
- if (get_user(data, up++))
- return -EFAULT;
- if (stereo) {
- if (get_user(c, up++))
- return -EFAULT;
- data = (data << 16) + c;
- } else
- data = (data << 16) + data;
- userCount--;
- bal += hSpeed;
- }
- *p++ = data;
- frameLeft--;
- bal -= sSpeed;
- }
- expand_bal = bal;
- expand_data = data;
- *frameUsed += (ftotal - frameLeft) * 4;
- utotal -= userCount;
- return stereo? utotal * 4: utotal * 2;
-}
-
-
-static ssize_t pmac_ctx_u16(const u_char __user *userPtr, size_t userCount,
- u_char frame[], ssize_t *frameUsed,
- ssize_t frameLeft)
-{
- int mask = (dmasound.soft.format == AFMT_U16_LE? 0x0080: 0x8000);
- unsigned int *p = (unsigned int *) &frame[*frameUsed];
- unsigned int data = expand_data;
- unsigned short __user *up = (unsigned short __user *) userPtr;
- int bal = expand_bal;
- int hSpeed = dmasound.hard.speed, sSpeed = dmasound.soft.speed;
- int stereo = dmasound.soft.stereo;
- int utotal, ftotal;
-
- frameLeft >>= 2;
- userCount >>= (stereo? 2: 1);
- ftotal = frameLeft;
- utotal = userCount;
- while (frameLeft) {
- unsigned short c;
- if (bal < 0) {
- if (userCount == 0)
- break;
- if (get_user(data, up++))
- return -EFAULT;
- data ^= mask;
- if (stereo) {
- if (get_user(c, up++))
- return -EFAULT;
- data = (data << 16) + (c ^ mask);
- } else
- data = (data << 16) + data;
- userCount--;
- bal += hSpeed;
- }
- *p++ = data;
- frameLeft--;
- bal -= sSpeed;
- }
- expand_bal = bal;
- expand_data = data;
- *frameUsed += (ftotal - frameLeft) * 4;
- utotal -= userCount;
- return stereo? utotal * 4: utotal * 2;
-}
-
-/* data in routines... */
-
-static ssize_t pmac_ct_s8_read(const u_char __user *userPtr, size_t userCount,
- u_char frame[], ssize_t *frameUsed,
- ssize_t frameLeft)
-{
- ssize_t count, used;
- short *p = (short *) &frame[*frameUsed];
- int val, stereo = dmasound.soft.stereo;
-
- frameLeft >>= 2;
- if (stereo)
- userCount >>= 1;
- used = count = min_t(unsigned long, userCount, frameLeft);
- while (count > 0) {
- u_char data;
-
- val = *p++;
- val = (val * software_input_volume) >> 7;
- data = val >> 8;
- if (put_user(data, (u_char __user *)userPtr++))
- return -EFAULT;
- if (stereo) {
- val = *p;
- val = (val * software_input_volume) >> 7;
- data = val >> 8;
- if (put_user(data, (u_char __user *)userPtr++))
- return -EFAULT;
- }
- p++;
- count--;
- }
- *frameUsed += used * 4;
- return stereo? used * 2: used;
-}
-
-
-static ssize_t pmac_ct_u8_read(const u_char __user *userPtr, size_t userCount,
- u_char frame[], ssize_t *frameUsed,
- ssize_t frameLeft)
-{
- ssize_t count, used;
- short *p = (short *) &frame[*frameUsed];
- int val, stereo = dmasound.soft.stereo;
-
- frameLeft >>= 2;
- if (stereo)
- userCount >>= 1;
- used = count = min_t(unsigned long, userCount, frameLeft);
- while (count > 0) {
- u_char data;
-
- val = *p++;
- val = (val * software_input_volume) >> 7;
- data = (val >> 8) ^ 0x80;
- if (put_user(data, (u_char __user *)userPtr++))
- return -EFAULT;
- if (stereo) {
- val = *p;
- val = (val * software_input_volume) >> 7;
- data = (val >> 8) ^ 0x80;
- if (put_user(data, (u_char __user *)userPtr++))
- return -EFAULT;
- }
- p++;
- count--;
- }
- *frameUsed += used * 4;
- return stereo? used * 2: used;
-}
-
-static ssize_t pmac_ct_s16_read(const u_char __user *userPtr, size_t userCount,
- u_char frame[], ssize_t *frameUsed,
- ssize_t frameLeft)
-{
- ssize_t count, used;
- int stereo = dmasound.soft.stereo;
- short *fp = (short *) &frame[*frameUsed];
- short __user *up = (short __user *) userPtr;
-
- frameLeft >>= 2;
- userCount >>= (stereo? 2: 1);
- used = count = min_t(unsigned long, userCount, frameLeft);
- while (count > 0) {
- short data;
-
- data = *fp++;
- data = (data * software_input_volume) >> 7;
- if (put_user(data, up++))
- return -EFAULT;
- if (stereo) {
- data = *fp;
- data = (data * software_input_volume) >> 7;
- if (put_user(data, up++))
- return -EFAULT;
- }
- fp++;
- count--;
- }
- *frameUsed += used * 4;
- return stereo? used * 4: used * 2;
-}
-
-static ssize_t pmac_ct_u16_read(const u_char __user *userPtr, size_t userCount,
- u_char frame[], ssize_t *frameUsed,
- ssize_t frameLeft)
-{
- ssize_t count, used;
- int mask = (dmasound.soft.format == AFMT_U16_LE? 0x0080: 0x8000);
- int stereo = dmasound.soft.stereo;
- short *fp = (short *) &frame[*frameUsed];
- short __user *up = (short __user *) userPtr;
-
- frameLeft >>= 2;
- userCount >>= (stereo? 2: 1);
- used = count = min_t(unsigned long, userCount, frameLeft);
- while (count > 0) {
- int data;
-
- data = *fp++;
- data = (data * software_input_volume) >> 7;
- data ^= mask;
- if (put_user(data, up++))
- return -EFAULT;
- if (stereo) {
- data = *fp;
- data = (data * software_input_volume) >> 7;
- data ^= mask;
- if (put_user(data, up++))
- return -EFAULT;
- }
- fp++;
- count--;
- }
- *frameUsed += used * 4;
- return stereo? used * 4: used * 2;
-}
-
-/* data in routines (reducing speed)... */
-
-static ssize_t pmac_ctx_s8_read(const u_char __user *userPtr, size_t userCount,
- u_char frame[], ssize_t *frameUsed,
- ssize_t frameLeft)
-{
- short *p = (short *) &frame[*frameUsed];
- int bal = expand_read_bal;
- int vall,valr, stereo = dmasound.soft.stereo;
- int hSpeed = dmasound.hard.speed, sSpeed = dmasound.soft.speed;
- int utotal, ftotal;
-
- frameLeft >>= 2;
- if (stereo)
- userCount >>= 1;
- ftotal = frameLeft;
- utotal = userCount;
- while (frameLeft) {
- u_char data;
-
- if (bal<0 && userCount == 0)
- break;
- vall = *p++;
- vall = (vall * software_input_volume) >> 7;
- if (stereo) {
- valr = *p;
- valr = (valr * software_input_volume) >> 7;
- }
- p++;
- if (bal < 0) {
- data = vall >> 8;
- if (put_user(data, (u_char __user *)userPtr++))
- return -EFAULT;
- if (stereo) {
- data = valr >> 8;
- if (put_user(data, (u_char __user *)userPtr++))
- return -EFAULT;
- }
- userCount--;
- bal += hSpeed;
- }
- frameLeft--;
- bal -= sSpeed;
- }
- expand_read_bal=bal;
- *frameUsed += (ftotal - frameLeft) * 4;
- utotal -= userCount;
- return stereo? utotal * 2: utotal;
-}
-
-
-static ssize_t pmac_ctx_u8_read(const u_char __user *userPtr, size_t userCount,
- u_char frame[], ssize_t *frameUsed,
- ssize_t frameLeft)
-{
- short *p = (short *) &frame[*frameUsed];
- int bal = expand_read_bal;
- int vall,valr, stereo = dmasound.soft.stereo;
- int hSpeed = dmasound.hard.speed, sSpeed = dmasound.soft.speed;
- int utotal, ftotal;
-
- frameLeft >>= 2;
- if (stereo)
- userCount >>= 1;
- ftotal = frameLeft;
- utotal = userCount;
- while (frameLeft) {
- u_char data;
-
- if (bal<0 && userCount == 0)
- break;
-
- vall = *p++;
- vall = (vall * software_input_volume) >> 7;
- if (stereo) {
- valr = *p;
- valr = (valr * software_input_volume) >> 7;
- }
- p++;
- if (bal < 0) {
- data = (vall >> 8) ^ 0x80;
- if (put_user(data, (u_char __user *)userPtr++))
- return -EFAULT;
- if (stereo) {
- data = (valr >> 8) ^ 0x80;
- if (put_user(data, (u_char __user *)userPtr++))
- return -EFAULT;
- }
- userCount--;
- bal += hSpeed;
- }
- frameLeft--;
- bal -= sSpeed;
- }
- expand_read_bal=bal;
- *frameUsed += (ftotal - frameLeft) * 4;
- utotal -= userCount;
- return stereo? utotal * 2: utotal;
-}
-
-static ssize_t pmac_ctx_s16_read(const u_char __user *userPtr, size_t userCount,
- u_char frame[], ssize_t *frameUsed,
- ssize_t frameLeft)
-{
- int bal = expand_read_bal;
- short *fp = (short *) &frame[*frameUsed];
- short __user *up = (short __user *) userPtr;
- int stereo = dmasound.soft.stereo;
- int hSpeed = dmasound.hard.speed, sSpeed = dmasound.soft.speed;
- int utotal, ftotal;
-
- frameLeft >>= 2;
- userCount >>= (stereo? 2: 1);
- ftotal = frameLeft;
- utotal = userCount;
- while (frameLeft) {
- int datal,datar;
-
- if (bal<0 && userCount == 0)
- break;
-
- datal = *fp++;
- datal = (datal * software_input_volume) >> 7;
- if (stereo) {
- datar = *fp;
- datar = (datar * software_input_volume) >> 7;
- }
- fp++;
- if (bal < 0) {
- if (put_user(datal, up++))
- return -EFAULT;
- if (stereo) {
- if (put_user(datar, up++))
- return -EFAULT;
- }
- userCount--;
- bal += hSpeed;
- }
- frameLeft--;
- bal -= sSpeed;
- }
- expand_read_bal=bal;
- *frameUsed += (ftotal - frameLeft) * 4;
- utotal -= userCount;
- return stereo? utotal * 4: utotal * 2;
-}
-
-static ssize_t pmac_ctx_u16_read(const u_char __user *userPtr, size_t userCount,
- u_char frame[], ssize_t *frameUsed,
- ssize_t frameLeft)
-{
- int bal = expand_read_bal;
- int mask = (dmasound.soft.format == AFMT_U16_LE? 0x0080: 0x8000);
- short *fp = (short *) &frame[*frameUsed];
- short __user *up = (short __user *) userPtr;
- int stereo = dmasound.soft.stereo;
- int hSpeed = dmasound.hard.speed, sSpeed = dmasound.soft.speed;
- int utotal, ftotal;
-
- frameLeft >>= 2;
- userCount >>= (stereo? 2: 1);
- ftotal = frameLeft;
- utotal = userCount;
- while (frameLeft) {
- int datal,datar;
-
- if (bal<0 && userCount == 0)
- break;
-
- datal = *fp++;
- datal = (datal * software_input_volume) >> 7;
- datal ^= mask;
- if (stereo) {
- datar = *fp;
- datar = (datar * software_input_volume) >> 7;
- datar ^= mask;
- }
- fp++;
- if (bal < 0) {
- if (put_user(datal, up++))
- return -EFAULT;
- if (stereo) {
- if (put_user(datar, up++))
- return -EFAULT;
- }
- userCount--;
- bal += hSpeed;
- }
- frameLeft--;
- bal -= sSpeed;
- }
- expand_read_bal=bal;
- *frameUsed += (ftotal - frameLeft) * 4;
- utotal -= userCount;
- return stereo? utotal * 4: utotal * 2;
-}
-
-
-TRANS transAwacsNormal = {
- .ct_ulaw= pmac_ct_law,
- .ct_alaw= pmac_ct_law,
- .ct_s8= pmac_ct_s8,
- .ct_u8= pmac_ct_u8,
- .ct_s16be= pmac_ct_s16,
- .ct_u16be= pmac_ct_u16,
- .ct_s16le= pmac_ct_s16,
- .ct_u16le= pmac_ct_u16,
-};
-
-TRANS transAwacsExpand = {
- .ct_ulaw= pmac_ctx_law,
- .ct_alaw= pmac_ctx_law,
- .ct_s8= pmac_ctx_s8,
- .ct_u8= pmac_ctx_u8,
- .ct_s16be= pmac_ctx_s16,
- .ct_u16be= pmac_ctx_u16,
- .ct_s16le= pmac_ctx_s16,
- .ct_u16le= pmac_ctx_u16,
-};
-
-TRANS transAwacsNormalRead = {
- .ct_s8= pmac_ct_s8_read,
- .ct_u8= pmac_ct_u8_read,
- .ct_s16be= pmac_ct_s16_read,
- .ct_u16be= pmac_ct_u16_read,
- .ct_s16le= pmac_ct_s16_read,
- .ct_u16le= pmac_ct_u16_read,
-};
-
-TRANS transAwacsExpandRead = {
- .ct_s8= pmac_ctx_s8_read,
- .ct_u8= pmac_ctx_u8_read,
- .ct_s16be= pmac_ctx_s16_read,
- .ct_u16be= pmac_ctx_u16_read,
- .ct_s16le= pmac_ctx_s16_read,
- .ct_u16le= pmac_ctx_u16_read,
-};
-
-/* translation tables */
-/* 16 bit mu-law */
-
-static short dmasound_ulaw2dma16[] = {
- -32124, -31100, -30076, -29052, -28028, -27004, -25980, -24956,
- -23932, -22908, -21884, -20860, -19836, -18812, -17788, -16764,
- -15996, -15484, -14972, -14460, -13948, -13436, -12924, -12412,
- -11900, -11388, -10876, -10364, -9852, -9340, -8828, -8316,
- -7932, -7676, -7420, -7164, -6908, -6652, -6396, -6140,
- -5884, -5628, -5372, -5116, -4860, -4604, -4348, -4092,
- -3900, -3772, -3644, -3516, -3388, -3260, -3132, -3004,
- -2876, -2748, -2620, -2492, -2364, -2236, -2108, -1980,
- -1884, -1820, -1756, -1692, -1628, -1564, -1500, -1436,
- -1372, -1308, -1244, -1180, -1116, -1052, -988, -924,
- -876, -844, -812, -780, -748, -716, -684, -652,
- -620, -588, -556, -524, -492, -460, -428, -396,
- -372, -356, -340, -324, -308, -292, -276, -260,
- -244, -228, -212, -196, -180, -164, -148, -132,
- -120, -112, -104, -96, -88, -80, -72, -64,
- -56, -48, -40, -32, -24, -16, -8, 0,
- 32124, 31100, 30076, 29052, 28028, 27004, 25980, 24956,
- 23932, 22908, 21884, 20860, 19836, 18812, 17788, 16764,
- 15996, 15484, 14972, 14460, 13948, 13436, 12924, 12412,
- 11900, 11388, 10876, 10364, 9852, 9340, 8828, 8316,
- 7932, 7676, 7420, 7164, 6908, 6652, 6396, 6140,
- 5884, 5628, 5372, 5116, 4860, 4604, 4348, 4092,
- 3900, 3772, 3644, 3516, 3388, 3260, 3132, 3004,
- 2876, 2748, 2620, 2492, 2364, 2236, 2108, 1980,
- 1884, 1820, 1756, 1692, 1628, 1564, 1500, 1436,
- 1372, 1308, 1244, 1180, 1116, 1052, 988, 924,
- 876, 844, 812, 780, 748, 716, 684, 652,
- 620, 588, 556, 524, 492, 460, 428, 396,
- 372, 356, 340, 324, 308, 292, 276, 260,
- 244, 228, 212, 196, 180, 164, 148, 132,
- 120, 112, 104, 96, 88, 80, 72, 64,
- 56, 48, 40, 32, 24, 16, 8, 0,
-};
-
-/* 16 bit A-law */
-
-static short dmasound_alaw2dma16[] = {
- -5504, -5248, -6016, -5760, -4480, -4224, -4992, -4736,
- -7552, -7296, -8064, -7808, -6528, -6272, -7040, -6784,
- -2752, -2624, -3008, -2880, -2240, -2112, -2496, -2368,
- -3776, -3648, -4032, -3904, -3264, -3136, -3520, -3392,
- -22016, -20992, -24064, -23040, -17920, -16896, -19968, -18944,
- -30208, -29184, -32256, -31232, -26112, -25088, -28160, -27136,
- -11008, -10496, -12032, -11520, -8960, -8448, -9984, -9472,
- -15104, -14592, -16128, -15616, -13056, -12544, -14080, -13568,
- -344, -328, -376, -360, -280, -264, -312, -296,
- -472, -456, -504, -488, -408, -392, -440, -424,
- -88, -72, -120, -104, -24, -8, -56, -40,
- -216, -200, -248, -232, -152, -136, -184, -168,
- -1376, -1312, -1504, -1440, -1120, -1056, -1248, -1184,
- -1888, -1824, -2016, -1952, -1632, -1568, -1760, -1696,
- -688, -656, -752, -720, -560, -528, -624, -592,
- -944, -912, -1008, -976, -816, -784, -880, -848,
- 5504, 5248, 6016, 5760, 4480, 4224, 4992, 4736,
- 7552, 7296, 8064, 7808, 6528, 6272, 7040, 6784,
- 2752, 2624, 3008, 2880, 2240, 2112, 2496, 2368,
- 3776, 3648, 4032, 3904, 3264, 3136, 3520, 3392,
- 22016, 20992, 24064, 23040, 17920, 16896, 19968, 18944,
- 30208, 29184, 32256, 31232, 26112, 25088, 28160, 27136,
- 11008, 10496, 12032, 11520, 8960, 8448, 9984, 9472,
- 15104, 14592, 16128, 15616, 13056, 12544, 14080, 13568,
- 344, 328, 376, 360, 280, 264, 312, 296,
- 472, 456, 504, 488, 408, 392, 440, 424,
- 88, 72, 120, 104, 24, 8, 56, 40,
- 216, 200, 248, 232, 152, 136, 184, 168,
- 1376, 1312, 1504, 1440, 1120, 1056, 1248, 1184,
- 1888, 1824, 2016, 1952, 1632, 1568, 1760, 1696,
- 688, 656, 752, 720, 560, 528, 624, 592,
- 944, 912, 1008, 976, 816, 784, 880, 848,
-};