[PATCH] DEC PMAG BA frame buffer update
Rewrite PMAG BA frame buffer driver for 2.6.
Acked-by: Antonino Daplas <adaplas@pol.net>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
diff --git a/include/video/pmag-ba-fb.h b/include/video/pmag-ba-fb.h
index cebef07..fceb6c0 100644
--- a/include/video/pmag-ba-fb.h
+++ b/include/video/pmag-ba-fb.h
@@ -1,24 +1,27 @@
/*
- * linux/drivers/video/pmag-ba-fb.h
+ * linux/include/video/pmag-ba-fb.h
*
- * TurboChannel PMAG-BA framebuffer card support,
- * Copyright (C) 1999,2000,2001 by
- * Michael Engel <engel@unix-ag.org>,
- * Karsten Merker <merker@linuxtag.org>
- * This file is subject to the terms and conditions of the GNU General
- * Public License. See the file COPYING in the main directory of this
- * archive for more details.
+ * TURBOchannel PMAG-BA Color Frame Buffer (CFB) card support,
+ * Copyright (C) 1999, 2000, 2001 by
+ * Michael Engel <engel@unix-ag.org>,
+ * Karsten Merker <merker@linuxtag.org>
+ * Copyright (c) 2005 Maciej W. Rozycki
+ *
+ * This file is subject to the terms and conditions of the GNU General
+ * Public License. See the file COPYING in the main directory of this
+ * archive for more details.
*/
-/*
- * Bt459 RAM DAC register base offset (rel. to TC slot base address)
- */
+/* IOmem resource offsets. */
+#define PMAG_BA_FBMEM 0x000000 /* frame buffer */
+#define PMAG_BA_BT459 0x200000 /* Bt459 RAMDAC */
+#define PMAG_BA_IRQ 0x300000 /* IRQ acknowledge */
+#define PMAG_BA_ROM 0x380000 /* REX option ROM */
+#define PMAG_BA_BT438 0x380000 /* Bt438 clock chip reset */
+#define PMAG_BA_SIZE 0x400000 /* address space size */
-#define PMAG_BA_BT459_OFFSET 0x00200000
-
-/*
- * Begin of PMAG-BA framebuffer memory relative to TC slot address,
- * resolution is 1024x864x8
- */
-
-#define PMAG_BA_ONBOARD_FBMEM_OFFSET 0x00000000
+/* Bt459 register offsets, byte-wide registers. */
+#define BT459_ADDR_LO 0x0 /* address low */
+#define BT459_ADDR_HI 0x4 /* address high */
+#define BT459_DATA 0x8 /* data window register */
+#define BT459_CMAP 0xc /* color map window register */