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authorRalf Baechle <ralf@linux-mips.org>2005-09-03 15:56:09 -0700
committerLinus Torvalds <torvalds@evo.osdl.org>2005-09-05 00:06:03 -0700
commitaf690a948cc545d1eca19acab23016b96e178dcf (patch)
tree74d3a6d343b877254add9081082ef7cbbe405d7d /include/video
parent61838ffeee8296de8bfee751e9ad67bf6c61d0b4 (diff)
downloadlwn-af690a948cc545d1eca19acab23016b96e178dcf.tar.gz
lwn-af690a948cc545d1eca19acab23016b96e178dcf.zip
[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>
Diffstat (limited to 'include/video')
-rw-r--r--include/video/pmag-ba-fb.h41
1 files changed, 22 insertions, 19 deletions
diff --git a/include/video/pmag-ba-fb.h b/include/video/pmag-ba-fb.h
index cebef073b9a3..fceb6c0f6583 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.
- */
-
-/*
- * Bt459 RAM DAC register base offset (rel. to TC slot base address)
+ * 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.
*/
-#define PMAG_BA_BT459_OFFSET 0x00200000
-
-/*
- * Begin of PMAG-BA framebuffer memory relative to TC slot address,
- * resolution is 1024x864x8
- */
+/* 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_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 */