Move pcm_mixer helper routines to firmware/asm.

1 files changed, 0 insertions, 134 deletions

diff --git a/firmware/target/coldfire/pcm-mixer-coldfire.c b/firmware/target/coldfire/pcm-mixer-coldfire.c
deleted file mode 100644
index d8318fffaf..0000000000
--- a/firmware/target/coldfire/pcm-mixer-coldfire.c
+++ /dev/null
@@ -1,134 +0,0 @@
-/***************************************************************************
- *             __________               __   ___.
- *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
- *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
- *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
- *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
- *                     \/            \/     \/    \/            \/
- * $Id$
- *
- * Copyright (C) 2011 by Michael Sevakis
- *
- * 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 software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
- * KIND, either express or implied.
- *
- ****************************************************************************/
-
-#define MIXER_OPTIMIZED_MIX_SAMPLES
-#define MIXER_OPTIMIZED_WRITE_SAMPLES
-static struct emac_context
-{
-    unsigned long r[4];
-} emac_context IBSS_ATTR;
-
-/* Save emac context affected in ISR */
-static FORCE_INLINE void save_emac_context(void)
-{
-    asm volatile (
-        "move.l   %%macsr, %%d0             \n"
-        "move.l   %%accext01, %%d1          \n"
-        "movclr.l %%acc0, %%a0              \n"
-        "movclr.l %%acc1, %%a1              \n"
-        "movem.l  %%d0-%%d1/%%a0-%%a1, (%0) \n"
-        :
-        : "a"(&emac_context)
-        : "d0", "d1", "a0", "a1");
-}
-
-/* Restore emac context affected in ISR */
-static FORCE_INLINE void restore_emac_context(void)
-{
-    asm volatile (
-        "movem.l (%0), %%d0-%%d1/%%a0-%%a1  \n"
-        "move.l  %%a1, %%acc1               \n"
-        "move.l  %%a0, %%acc0               \n"
-        "move.l  %%d1, %%accext01           \n"
-        "move.l  %%d0, %%macsr              \n"
-        :
-        : "a"(&emac_context)
-        : "d0", "d1", "a0", "a1");
-}
-
-/* Mix channels' samples and apply gain factors */
-static FORCE_INLINE void mix_samples(void *out,
-                                     void *src0,
-                                     int32_t src0_amp,
-                                     void *src1,
-                                     int32_t src1_amp,
-                                     size_t size)
-{
-    uint32_t s0, s1, s2, s3;
-    save_emac_context();
-    coldfire_set_macsr(EMAC_ROUND | EMAC_SATURATE);
-
-    asm volatile (
-        "move.l     (%1)+, %5                 \n"
-    "1:                                       \n"
-        "movea.w    %5, %4                    \n"
-        "asr.l      %10, %5                   \n"
-        "mac.l      %4, %8,            %%acc0 \n"
-        "mac.l      %5, %8, (%2)+, %5, %%acc1 \n"
-        "movea.w    %5, %4                    \n"
-        "asr.l      %10, %5                   \n"
-        "mac.l      %4, %9,            %%acc0 \n"
-        "mac.l      %5, %9, (%1)+, %5, %%acc1 \n"
-        "movclr.l   %%acc0, %6                \n"
-        "movclr.l   %%acc1, %7                \n"
-        "swap.w     %6                        \n"
-        "move.w     %6, %7                    \n"
-        "move.l     %7, (%0)+                 \n"
-        "subq.l     #4, %3                    \n"
-        "bhi.b      1b                        \n"
-        : "+a"(out), "+a"(src0), "+a"(src1), "+d"(size),
-          "=&a"(s0), "=&d"(s1), "=&d"(s2), "=&d"(s3)
-        : "r"(src0_amp), "r"(src1_amp), "d"(16)
-    );
-
-    restore_emac_context();
-}
-
-/* Write channel's samples and apply gain factor */
-static FORCE_INLINE void write_samples(void *out,
-                                       void *src,
-                                       int32_t amp,
-                                       size_t size)
-{
-    if (LIKELY(amp == MIX_AMP_UNITY))
-    {
-        /* Channel is unity amplitude */
-        memcpy(out, src, size);
-    }
-    else
-    {
-        /* Channel needs amplitude cut */
-        uint32_t s0, s1, s2, s3;
-        save_emac_context();
-        coldfire_set_macsr(EMAC_ROUND | EMAC_SATURATE);
-
-        asm volatile (
-            "move.l     (%1)+, %4                 \n"
-        "1:                                       \n"
-            "movea.w    %4, %3                    \n"
-            "asr.l      %8, %4                    \n"
-            "mac.l      %3, %7,            %%acc0 \n"
-            "mac.l      %4, %7, (%1)+, %4, %%acc1 \n"
-            "movclr.l   %%acc0, %5                \n"
-            "movclr.l   %%acc1, %6                \n"
-            "swap.w     %5                        \n"
-            "move.w     %5, %6                    \n"
-            "move.l     %6, (%0)+                 \n"
-            "subq.l     #4, %2                    \n"
-            "bhi.b      1b                        \n"
-            : "+a"(out), "+a"(src), "+d"(size),
-              "=&a"(s0), "=&d"(s1), "=&d"(s2), "=&d"(s3)
-            : "r"(amp), "d"(16)
-        );
-
-        restore_emac_context();
-    }     
-}