![Jesper Juhl](/assets/img/avatar_default.png)
`gcc -W' likes to complain if the static keyword is not at the beginning of the declaration. This patch fixes all remaining occurrences of "inline static" up with "static inline" in the entire kernel tree (140 occurrences in 47 files). While making this change I came across a few lines with trailing whitespace that I also fixed up, I have also added or removed a blank line or two here and there, but there are no functional changes in the patch. Signed-off-by: Jesper Juhl <juhl-lkml@dif.dk> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
304 lines
7.3 KiB
C
304 lines
7.3 KiB
C
/*
|
|
* Patch routines for the emu8000 (AWE32/64)
|
|
*
|
|
* Copyright (C) 1999 Steve Ratcliffe
|
|
* Copyright (C) 1999-2000 Takashi Iwai <tiwai@suse.de>
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation; either version 2 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program; if not, write to the Free Software
|
|
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
|
*/
|
|
|
|
#include "emu8000_local.h"
|
|
#include <asm/uaccess.h>
|
|
#include <linux/moduleparam.h>
|
|
|
|
static int emu8000_reset_addr = 0;
|
|
module_param(emu8000_reset_addr, int, 0444);
|
|
MODULE_PARM_DESC(emu8000_reset_addr, "reset write address at each time (makes slowdown)");
|
|
|
|
|
|
/*
|
|
* Open up channels.
|
|
*/
|
|
static int
|
|
snd_emu8000_open_dma(emu8000_t *emu, int write)
|
|
{
|
|
int i;
|
|
|
|
/* reserve all 30 voices for loading */
|
|
for (i = 0; i < EMU8000_DRAM_VOICES; i++) {
|
|
snd_emux_lock_voice(emu->emu, i);
|
|
snd_emu8000_dma_chan(emu, i, write);
|
|
}
|
|
|
|
/* assign voice 31 and 32 to ROM */
|
|
EMU8000_VTFT_WRITE(emu, 30, 0);
|
|
EMU8000_PSST_WRITE(emu, 30, 0x1d8);
|
|
EMU8000_CSL_WRITE(emu, 30, 0x1e0);
|
|
EMU8000_CCCA_WRITE(emu, 30, 0x1d8);
|
|
EMU8000_VTFT_WRITE(emu, 31, 0);
|
|
EMU8000_PSST_WRITE(emu, 31, 0x1d8);
|
|
EMU8000_CSL_WRITE(emu, 31, 0x1e0);
|
|
EMU8000_CCCA_WRITE(emu, 31, 0x1d8);
|
|
|
|
return 0;
|
|
}
|
|
|
|
/*
|
|
* Close all dram channels.
|
|
*/
|
|
static void
|
|
snd_emu8000_close_dma(emu8000_t *emu)
|
|
{
|
|
int i;
|
|
|
|
for (i = 0; i < EMU8000_DRAM_VOICES; i++) {
|
|
snd_emu8000_dma_chan(emu, i, EMU8000_RAM_CLOSE);
|
|
snd_emux_unlock_voice(emu->emu, i);
|
|
}
|
|
}
|
|
|
|
/*
|
|
*/
|
|
|
|
#define BLANK_LOOP_START 4
|
|
#define BLANK_LOOP_END 8
|
|
#define BLANK_LOOP_SIZE 12
|
|
#define BLANK_HEAD_SIZE 48
|
|
|
|
/*
|
|
* Read a word from userland, taking care of conversions from
|
|
* 8bit samples etc.
|
|
*/
|
|
static unsigned short
|
|
read_word(const void __user *buf, int offset, int mode)
|
|
{
|
|
unsigned short c;
|
|
if (mode & SNDRV_SFNT_SAMPLE_8BITS) {
|
|
unsigned char cc;
|
|
get_user(cc, (unsigned char __user *)buf + offset);
|
|
c = cc << 8; /* convert 8bit -> 16bit */
|
|
} else {
|
|
#ifdef SNDRV_LITTLE_ENDIAN
|
|
get_user(c, (unsigned short __user *)buf + offset);
|
|
#else
|
|
unsigned short cc;
|
|
get_user(cc, (unsigned short __user *)buf + offset);
|
|
c = swab16(cc);
|
|
#endif
|
|
}
|
|
if (mode & SNDRV_SFNT_SAMPLE_UNSIGNED)
|
|
c ^= 0x8000; /* unsigned -> signed */
|
|
return c;
|
|
}
|
|
|
|
/*
|
|
*/
|
|
static void
|
|
snd_emu8000_write_wait(emu8000_t *emu)
|
|
{
|
|
while ((EMU8000_SMALW_READ(emu) & 0x80000000) != 0) {
|
|
set_current_state(TASK_INTERRUPTIBLE);
|
|
schedule_timeout(1);
|
|
if (signal_pending(current))
|
|
break;
|
|
}
|
|
}
|
|
|
|
/*
|
|
* write sample word data
|
|
*
|
|
* You should not have to keep resetting the address each time
|
|
* as the chip is supposed to step on the next address automatically.
|
|
* It mostly does, but during writes of some samples at random it
|
|
* completely loses words (every one in 16 roughly but with no
|
|
* obvious pattern).
|
|
*
|
|
* This is therefore much slower than need be, but is at least
|
|
* working.
|
|
*/
|
|
static inline void
|
|
write_word(emu8000_t *emu, int *offset, unsigned short data)
|
|
{
|
|
if (emu8000_reset_addr) {
|
|
if (emu8000_reset_addr > 1)
|
|
snd_emu8000_write_wait(emu);
|
|
EMU8000_SMALW_WRITE(emu, *offset);
|
|
}
|
|
EMU8000_SMLD_WRITE(emu, data);
|
|
*offset += 1;
|
|
}
|
|
|
|
/*
|
|
* Write the sample to EMU800 memory. This routine is invoked out of
|
|
* the generic soundfont routines as a callback.
|
|
*/
|
|
int
|
|
snd_emu8000_sample_new(snd_emux_t *rec, snd_sf_sample_t *sp,
|
|
snd_util_memhdr_t *hdr, const void __user *data, long count)
|
|
{
|
|
int i;
|
|
int rc;
|
|
int offset;
|
|
int truesize;
|
|
int dram_offset, dram_start;
|
|
emu8000_t *emu;
|
|
|
|
emu = rec->hw;
|
|
snd_assert(sp != NULL, return -EINVAL);
|
|
|
|
if (sp->v.size == 0)
|
|
return 0;
|
|
|
|
/* be sure loop points start < end */
|
|
if (sp->v.loopstart > sp->v.loopend) {
|
|
int tmp = sp->v.loopstart;
|
|
sp->v.loopstart = sp->v.loopend;
|
|
sp->v.loopend = tmp;
|
|
}
|
|
|
|
/* compute true data size to be loaded */
|
|
truesize = sp->v.size;
|
|
if (sp->v.mode_flags & (SNDRV_SFNT_SAMPLE_BIDIR_LOOP|SNDRV_SFNT_SAMPLE_REVERSE_LOOP))
|
|
truesize += sp->v.loopend - sp->v.loopstart;
|
|
if (sp->v.mode_flags & SNDRV_SFNT_SAMPLE_NO_BLANK)
|
|
truesize += BLANK_LOOP_SIZE;
|
|
|
|
sp->block = snd_util_mem_alloc(hdr, truesize * 2);
|
|
if (sp->block == NULL) {
|
|
/*snd_printd("EMU8000: out of memory\n");*/
|
|
/* not ENOMEM (for compatibility) */
|
|
return -ENOSPC;
|
|
}
|
|
|
|
if (sp->v.mode_flags & SNDRV_SFNT_SAMPLE_8BITS) {
|
|
if (!access_ok(VERIFY_READ, data, sp->v.size))
|
|
return -EFAULT;
|
|
} else {
|
|
if (!access_ok(VERIFY_READ, data, sp->v.size * 2))
|
|
return -EFAULT;
|
|
}
|
|
|
|
/* recalculate address offset */
|
|
sp->v.end -= sp->v.start;
|
|
sp->v.loopstart -= sp->v.start;
|
|
sp->v.loopend -= sp->v.start;
|
|
sp->v.start = 0;
|
|
|
|
/* dram position (in word) -- mem_offset is byte */
|
|
dram_offset = EMU8000_DRAM_OFFSET + (sp->block->offset >> 1);
|
|
dram_start = dram_offset;
|
|
|
|
/* set the total size (store onto obsolete checksum value) */
|
|
sp->v.truesize = truesize * 2; /* in bytes */
|
|
|
|
snd_emux_terminate_all(emu->emu);
|
|
if ((rc = snd_emu8000_open_dma(emu, EMU8000_RAM_WRITE)) != 0)
|
|
return rc;
|
|
|
|
/* Set the address to start writing at */
|
|
snd_emu8000_write_wait(emu);
|
|
EMU8000_SMALW_WRITE(emu, dram_offset);
|
|
|
|
/*snd_emu8000_init_fm(emu);*/
|
|
|
|
#if 0
|
|
/* first block - write 48 samples for silence */
|
|
if (! sp->block->offset) {
|
|
for (i = 0; i < BLANK_HEAD_SIZE; i++) {
|
|
write_word(emu, &dram_offset, 0);
|
|
}
|
|
}
|
|
#endif
|
|
|
|
offset = 0;
|
|
for (i = 0; i < sp->v.size; i++) {
|
|
unsigned short s;
|
|
|
|
s = read_word(data, offset, sp->v.mode_flags);
|
|
offset++;
|
|
write_word(emu, &dram_offset, s);
|
|
|
|
/* we may take too long time in this loop.
|
|
* so give controls back to kernel if needed.
|
|
*/
|
|
cond_resched();
|
|
|
|
if (i == sp->v.loopend &&
|
|
(sp->v.mode_flags & (SNDRV_SFNT_SAMPLE_BIDIR_LOOP|SNDRV_SFNT_SAMPLE_REVERSE_LOOP)))
|
|
{
|
|
int looplen = sp->v.loopend - sp->v.loopstart;
|
|
int k;
|
|
|
|
/* copy reverse loop */
|
|
for (k = 1; k <= looplen; k++) {
|
|
s = read_word(data, offset - k, sp->v.mode_flags);
|
|
write_word(emu, &dram_offset, s);
|
|
}
|
|
if (sp->v.mode_flags & SNDRV_SFNT_SAMPLE_BIDIR_LOOP) {
|
|
sp->v.loopend += looplen;
|
|
} else {
|
|
sp->v.loopstart += looplen;
|
|
sp->v.loopend += looplen;
|
|
}
|
|
sp->v.end += looplen;
|
|
}
|
|
}
|
|
|
|
/* if no blank loop is attached in the sample, add it */
|
|
if (sp->v.mode_flags & SNDRV_SFNT_SAMPLE_NO_BLANK) {
|
|
for (i = 0; i < BLANK_LOOP_SIZE; i++) {
|
|
write_word(emu, &dram_offset, 0);
|
|
}
|
|
if (sp->v.mode_flags & SNDRV_SFNT_SAMPLE_SINGLESHOT) {
|
|
sp->v.loopstart = sp->v.end + BLANK_LOOP_START;
|
|
sp->v.loopend = sp->v.end + BLANK_LOOP_END;
|
|
}
|
|
}
|
|
|
|
/* add dram offset */
|
|
sp->v.start += dram_start;
|
|
sp->v.end += dram_start;
|
|
sp->v.loopstart += dram_start;
|
|
sp->v.loopend += dram_start;
|
|
|
|
snd_emu8000_close_dma(emu);
|
|
snd_emu8000_init_fm(emu);
|
|
|
|
return 0;
|
|
}
|
|
|
|
/*
|
|
* free a sample block
|
|
*/
|
|
int
|
|
snd_emu8000_sample_free(snd_emux_t *rec, snd_sf_sample_t *sp, snd_util_memhdr_t *hdr)
|
|
{
|
|
if (sp->block) {
|
|
snd_util_mem_free(hdr, sp->block);
|
|
sp->block = NULL;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
|
|
/*
|
|
* sample_reset callback - terminate voices
|
|
*/
|
|
void
|
|
snd_emu8000_sample_reset(snd_emux_t *rec)
|
|
{
|
|
snd_emux_terminate_all(rec);
|
|
}
|