[src/trunk]: src/sys/dev/pci add bit definitions for dither and alpha blendin...

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

details:   https://anonhg.NetBSD.org/src/rev/ec8dd3db9792
branches:  trunk
changeset: 349602:ec8dd3db9792
user:      macallan <macallan%NetBSD.org@localhost>
date:      Fri Dec 16 01:42:04 2016 +0000

description:
add bit definitions for dither and alpha blending registers

diffstat:

 sys/dev/pci/pm2reg.h |  58 +++++++++++++++++++++++++++++++++++++++++++++++++++-
 1 files changed, 57 insertions(+), 1 deletions(-)

diffs (74 lines):

diff -r 1e16e49449bc -r ec8dd3db9792 sys/dev/pci/pm2reg.h
--- a/sys/dev/pci/pm2reg.h      Thu Dec 15 22:01:57 2016 +0000
+++ b/sys/dev/pci/pm2reg.h      Fri Dec 16 01:42:04 2016 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: pm2reg.h,v 1.10 2014/12/17 16:50:08 macallan Exp $     */
+/*     $NetBSD: pm2reg.h,v 1.11 2016/12/16 01:42:04 macallan Exp $     */
 
 /*
  * Copyright (c) 2009 Michael Lorenz
@@ -319,8 +319,64 @@
 #define PM2_RE_SCISSOR_MINYX   0x00008188
 #define PM2_RE_SCISSOR_MAXYX   0x00008190
 #define PM2_RE_TEXMAP_FORMAT   0x00008588
+/* format to write into the framebuffer */
 #define PM2_RE_DITHER_MODE     0x00008818
+#define                PM2DM_ENABLE            0x00000001
+#define                PM2DM_DITHER_ENABLE     0x00000002
+#define                PM2DM_COLOUR_FORMAT_M   0x0000003c
+#define                PM2DM_8888              0x00000000
+#define                PM2DM_5551F             0x00000004
+#define                PM2DM_4444              0x00000008
+#define                PM2DM_332F              0x00000014
+#define                PM2DM_332B              0x00000018
+#define                PM2DM_2321F             0x00000024
+#define                PM2DM_2321B             0x00000028
+#define                PM2DM_232FO             0x0000002c
+#define                PM2DM_232BO             0x00000030
+#define                PM2DM_5551B             0x00000034
+#define                PM2DM_CI8               0x00000038
+#define                PM2DM_565F              0x00010000      /* XXX */
+#define                PM2DM_565B              0x00010004      /* XXX */
+#define                PM2DM_X_OFFSET_M        0x000000c0
+#define                PM2DM_Y_OFFSET_M        0x00000300
+#define                PM2DM_RGB               0x00000400      /* BGR otherwise */
+#define                PM2DM_LINE              0x00000800      /* ordered otherw. */
+#define                PM2DM_FORCE_ALPHA_0     0x00001000
+#define                PM2DM_FORCE_ALPHA_F8    0x00002000
+#define                PM2DM_COLOUR_FORMAT_X   0x00010000      /* upper bit */
+
 #define PM2_RE_ALPHA_MODE      0x00008810
+#define                PM2AL_ENABLE            0x00000001
+#define                PM2AL_OPERATION_MASK    0x000000fe
+/* values according to manual, xf86-video-glint disagrees */
+#define                PM2AL_OP_FORMAT         16      /* needs to be shifted? */
+#define                PM2AL_OP_BLEND          84
+#define                PM2AL_OP_PREMULT        81
+/*
+ * XXX
+ * format of incoming data
+ * the 5th bit is in bit 16
+ */
+#define                PM2AL_COLOUR_FORMAT_M   0x00000f00
+#define                PM2AL_8888              0x00000000
+#define                PM2AL_5551F             0x00000100
+#define                PM2AL_4444              0x00000200
+#define                PM2AL_332F              0x00000500
+#define                PM2AL_332B              0x00000600
+#define                PM2AL_2321F             0x00000900
+#define                PM2AL_2321B             0x00000a00
+#define                PM2AL_232FO             0x00000b00
+#define                PM2AL_232BO             0x00000c00
+#define                PM2AL_5551B             0x00000d00
+#define                PM2AL_CI8               0x00000e00
+#define                PM2AL_565F              0x00010000      /* XXX */
+#define                PM2AL_565B              0x00010100      /* XXX */
+#define                PM2AL_NO_ALPHA          0x00001000      /* XXX */
+#define                PM2AL_RGB               0x00002000      /* BGR otherwise */
+#define                PM2AL_RAMP              0x00004000      /* RGB otherwise */
+#define                PM2AL_COLOUR_FORMAT_X   0x00010000
+#define                PM2AL_COLOUR_CONV_SHIFT 0x00020000      /* scale otherwise */
+#define                PM2AL_ALPHA_CONV_SHIFT  0x00040000      /* scale otherwise */
 #define PM2_RE_TEX_COLOUR_MODE 0x00008680
 #define PM2_RE_TEX_READ_MODE   0x00008670
 #define PM2_RE_TEX_LUT_MODE    0x00008678