[src/trunk]: src/sys/dev/ic Use endian conversion macros (and some rearrange ...

[isaki <isaki%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/fb33cdb94fca
branches:  trunk
changeset: 355554:fb33cdb94fca
user:      isaki <isaki%NetBSD.org@localhost>
date:      Wed Aug 02 10:10:10 2017 +0000

description:
Use endian conversion macros (and some rearrange for readability).
No functional changes.

diffstat:

 sys/dev/ic/msm6258.c |  60 +++++++++++++---------------------------------------
 1 files changed, 15 insertions(+), 45 deletions(-)

diffs (158 lines):

diff -r bed9412aaf53 -r fb33cdb94fca sys/dev/ic/msm6258.c
--- a/sys/dev/ic/msm6258.c      Wed Aug 02 08:39:14 2017 +0000
+++ b/sys/dev/ic/msm6258.c      Wed Aug 02 10:10:10 2017 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: msm6258.c,v 1.20 2017/07/30 05:51:34 isaki Exp $       */
+/*     $NetBSD: msm6258.c,v 1.21 2017/08/02 10:10:10 isaki Exp $       */
 
 /*
  * Copyright (c) 2001 Tetsuya Isaki. All rights reserved.
@@ -30,7 +30,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: msm6258.c,v 1.20 2017/07/30 05:51:34 isaki Exp $");
+__KERNEL_RCSID(0, "$NetBSD: msm6258.c,v 1.21 2017/08/02 10:10:10 isaki Exp $");
 
 #include <sys/systm.h>
 #include <sys/device.h>
@@ -167,41 +167,27 @@
                while (dst->used < m && this->src->used >= 4) {
                        uint8_t f;
                        int16_t ss;
-#if BYTE_ORDER == LITTLE_ENDIAN
-                       ss = *(const int16_t*)s;
-                       s = audio_stream_add_outp(this->src, s, 2);
+                       ss = le16toh(*(const int16_t*)s);
                        f  = pcm2adpcm_step(mc, ss);
-                       ss = *(const int16_t*)s;
-#else
-                       ss = (s[1] << 8) | s[0];
                        s = audio_stream_add_outp(this->src, s, 2);
-                       f  = pcm2adpcm_step(mc, ss);
-                       ss = (s[1] << 8) | s[0];
-#endif
+                       ss = le16toh(*(const int16_t*)s);
                        f |= pcm2adpcm_step(mc, ss) << 4;
+                       s = audio_stream_add_outp(this->src, s, 2);
                        *d = f;
                        d = audio_stream_add_inp(dst, d, 1);
-                       s = audio_stream_add_outp(this->src, s, 2);
                }
        } else if (enc_src == AUDIO_ENCODING_SLINEAR_BE) {
                while (dst->used < m && this->src->used >= 4) {
                        uint8_t f;
                        int16_t ss;
-#if BYTE_ORDER == BIG_ENDIAN
-                       ss = *(const int16_t*)s;
+                       ss = be16toh(*(const int16_t*)s);
                        s = audio_stream_add_outp(this->src, s, 2);
                        f  = pcm2adpcm_step(mc, ss);
-                       ss = *(const int16_t*)s;
-#else
-                       ss = (s[0] << 8) | s[1];
+                       ss = be16toh(*(const int16_t*)s);
                        s = audio_stream_add_outp(this->src, s, 2);
-                       f  = pcm2adpcm_step(mc, ss);
-                       ss = (s[0] << 8) | s[1];
-#endif
                        f |= pcm2adpcm_step(mc, ss) << 4;
                        *d = f;
                        d = audio_stream_add_inp(dst, d, 1);
-                       s = audio_stream_add_outp(this->src, s, 2);
                }
        } else {
 #if defined(DIAGNOSTIC)
@@ -246,10 +232,10 @@
                        s = audio_stream_add_outp(this->src, s, 1);
                        f  = pcm2adpcm_step(mc, ss);
                        ss = ((int16_t)s[0]) * 256;
+                       s = audio_stream_add_outp(this->src, s, 1);
                        f |= pcm2adpcm_step(mc, ss) << 4;
                        *d = f;
                        d = audio_stream_add_inp(dst, d, 1);
-                       s = audio_stream_add_outp(this->src, s, 1);
                }
        } else if (enc_src == AUDIO_ENCODING_ULINEAR_LE
                || enc_src == AUDIO_ENCODING_ULINEAR_BE) {
@@ -260,10 +246,10 @@
                        s = audio_stream_add_outp(this->src, s, 1);
                        f  = pcm2adpcm_step(mc, ss);
                        ss = ((int16_t)(s[0] ^ 0x80)) * 256;
+                       s = audio_stream_add_outp(this->src, s, 1);
                        f |= pcm2adpcm_step(mc, ss) << 4;
                        *d = f;
                        d = audio_stream_add_inp(dst, d, 1);
-                       s = audio_stream_add_outp(this->src, s, 1);
                }
        } else {
 #if defined(DIAGNOSTIC)
@@ -328,17 +314,9 @@
                        a = s[0];
                        s1 = adpcm2pcm_step(mc, a & 0x0f);
                        s2 = adpcm2pcm_step(mc, a >> 4);
-#if BYTE_ORDER == LITTLE_ENDIAN
-                       *(int16_t*)d = s1;
+                       *(int16_t*)d = htole16(s1);
                        d = audio_stream_add_inp(dst, d, 2);
-                       *(int16_t*)d = s2;
-#else
-                       d[0] = s1;
-                       d[1] = s1 >> 8;
-                       d = audio_stream_add_inp(dst, d, 2);
-                       d[0] = s2;
-                       d[1] = s2 >> 8;
-#endif
+                       *(int16_t*)d = htole16(s2);
                        d = audio_stream_add_inp(dst, d, 2);
                        s = audio_stream_add_outp(this->src, s, 1);
                }
@@ -349,17 +327,9 @@
                        a = s[0];
                        s1 = adpcm2pcm_step(mc, a & 0x0f);
                        s2 = adpcm2pcm_step(mc, a >> 4);
-#if BYTE_ORDER == BIG_ENDIAN
-                       *(int16_t*)d = s1;
+                       *(int16_t*)d = htobe16(s1);
                        d = audio_stream_add_inp(dst, d, 2);
-                       *(int16_t*)d = s2;
-#else
-                       d[1] = s1;
-                       d[0] = s1 >> 8;
-                       d = audio_stream_add_inp(dst, d, 2);
-                       d[1] = s2;
-                       d[0] = s2 >> 8;
-#endif
+                       *(int16_t*)d = htobe16(s2);
                        d = audio_stream_add_inp(dst, d, 2);
                        s = audio_stream_add_outp(this->src, s, 1);
                }
@@ -404,26 +374,26 @@
                        uint8_t a;
                        int16_t s1, s2;
                        a = s[0];
+                       s = audio_stream_add_outp(this->src, s, 1);
                        s1 = adpcm2pcm_step(mc, a & 0x0f);
                        s2 = adpcm2pcm_step(mc, a >> 4);
                        d[0] = s1 / 266;
                        d = audio_stream_add_inp(dst, d, 1);
                        d[0] = s2 / 266;
                        d = audio_stream_add_inp(dst, d, 1);
-                       s = audio_stream_add_outp(this->src, s, 1);
                }
        } else if (enc_dst == AUDIO_ENCODING_ULINEAR_LE) {
                while (dst->used < m && this->src->used >= 1) {
                        uint8_t a;
                        int16_t s1, s2;
                        a = s[0];
+                       s = audio_stream_add_outp(this->src, s, 1);
                        s1 = adpcm2pcm_step(mc, a & 0x0f);
                        s2 = adpcm2pcm_step(mc, a >> 4);
                        d[0] = (s1 / 266) ^ 0x80;
                        d = audio_stream_add_inp(dst, d, 1);
                        d[0] = (s2 / 266) ^ 0x80;
                        d = audio_stream_add_inp(dst, d, 1);
-                       s = audio_stream_add_outp(this->src, s, 1);
                }
        } else {
 #if defined(DIAGNOSTIC)