diff options
| author | Ralf Baechle <ralf@linux-mips.org> | 2005-09-03 15:56:11 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@evo.osdl.org> | 2005-09-05 00:06:03 -0700 |
| commit | 7901c7998267d9d8c3f1b226a8c8cfd7f8e48a01 (patch) | |
| tree | 4c1305130a69859354b3be336d5119d8c660b44d /include/video/pmagb-b-fb.h | |
| parent | af690a948cc545d1eca19acab23016b96e178dcf (diff) | |
| download | linux-7901c7998267d9d8c3f1b226a8c8cfd7f8e48a01.tar.bz2 | |
[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>
Diffstat (limited to 'include/video/pmagb-b-fb.h')
| -rw-r--r-- | include/video/pmagb-b-fb.h | 74 |
1 files changed, 50 insertions, 24 deletions
diff --git a/include/video/pmagb-b-fb.h b/include/video/pmagb-b-fb.h index 87b81a555139..7539b9087a80 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 + +/* Video base address register constants. All bits are r/w. */ +#define SFB_VID_BASE_MASK 0x1ff /* video base row address */ -#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 */ +/* 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 */ |