[PATCH] DEC PMAGB B framebuffer update
Revive HX frame buffer support for 2.6.
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
diff --git a/include/video/pmagb-b-fb.h b/include/video/pmagb-b-fb.h
index 87b81a5..7539b90 100644
--- a/include/video/pmagb-b-fb.h
+++ b/include/video/pmagb-b-fb.h
@@ -1,32 +1,58 @@
/*
- * linux/drivers/video/pmagb-b-fb.h
+ * linux/include/video/pmagb-b-fb.h
*
- * TurboChannel PMAGB-B framebuffer card support,
- * Copyright (C) 1999, 2000, 2001 by
- * Michael Engel <engel@unix-ag.org> and
- * 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 PMAGB-B Smart Frame Buffer (SFB) card support,
+ * Copyright (C) 1999, 2000, 2001 by
+ * Michael Engel <engel@unix-ag.org> and
+ * 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.
*/
+/* IOmem resource offsets. */
+#define PMAGB_B_ROM 0x000000 /* REX option ROM */
+#define PMAGB_B_SFB 0x100000 /* SFB ASIC */
+#define PMAGB_B_GP0 0x140000 /* general purpose output 0 */
+#define PMAGB_B_GP1 0x180000 /* general purpose output 1 */
+#define PMAGB_B_BT459 0x1c0000 /* Bt459 RAMDAC */
+#define PMAGB_B_FBMEM 0x200000 /* frame buffer */
+#define PMAGB_B_SIZE 0x400000 /* address space size */
-/*
- * Bt459 RAM DAC register base offset (rel. to TC slot base address)
- */
-#define PMAGB_B_BT459_OFFSET 0x001C0000
+/* IOmem register offsets. */
+#define SFB_REG_VID_HOR 0x64 /* video horizontal setup */
+#define SFB_REG_VID_VER 0x68 /* video vertical setup */
+#define SFB_REG_VID_BASE 0x6c /* video base address */
+#define SFB_REG_TCCLK_COUNT 0x78 /* TURBOchannel clock count */
+#define SFB_REG_VIDCLK_COUNT 0x7c /* video clock count */
-/*
- * Begin of PMAGB-B framebuffer memory, resolution is configurable:
- * 1024x864x8 or 1280x1024x8, settable by jumper on the card
- */
-#define PMAGB_B_ONBOARD_FBMEM_OFFSET 0x00201000
+/* Video horizontal setup register constants. All bits are r/w. */
+#define SFB_VID_HOR_BP_SHIFT 0x15 /* back porch */
+#define SFB_VID_HOR_BP_MASK 0x7f
+#define SFB_VID_HOR_SYN_SHIFT 0x0e /* sync pulse */
+#define SFB_VID_HOR_SYN_MASK 0x7f
+#define SFB_VID_HOR_FP_SHIFT 0x09 /* front porch */
+#define SFB_VID_HOR_FP_MASK 0x1f
+#define SFB_VID_HOR_PIX_SHIFT 0x00 /* active video */
+#define SFB_VID_HOR_PIX_MASK 0x1ff
-/*
- * Bt459 register offsets, byte-wide registers
- */
+/* Video vertical setup register constants. All bits are r/w. */
+#define SFB_VID_VER_BP_SHIFT 0x16 /* back porch */
+#define SFB_VID_VER_BP_MASK 0x3f
+#define SFB_VID_VER_SYN_SHIFT 0x10 /* sync pulse */
+#define SFB_VID_VER_SYN_MASK 0x3f
+#define SFB_VID_VER_FP_SHIFT 0x0b /* front porch */
+#define SFB_VID_VER_FP_MASK 0x1f
+#define SFB_VID_VER_SL_SHIFT 0x00 /* active scan lines */
+#define SFB_VID_VER_SL_MASK 0x7ff
-#define BT459_ADR_LOW BT459_OFFSET + 0x00 /* addr. low */
-#define BT459_ADR_HIGH BT459_OFFSET + 0x04 /* addr. high */
-#define BT459_DATA BT459_OFFSET + 0x08 /* r/w data */
-#define BT459_CMAP BT459_OFFSET + 0x0C /* color map */
+/* Video base address register constants. All bits are r/w. */
+#define SFB_VID_BASE_MASK 0x1ff /* video base row address */
+
+/* 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 */