/* $NetBSD: ims332.h,v 1.1 1995/09/11 08:11:25 jonathan Exp $ */ /*- * Copyright (c) 1992, 1993 * The Regents of the University of California. All rights reserved. * * This code is derived from software contributed to Berkeley by * Ralph Campbell and Rick Macklem. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by the University of * California, Berkeley and its contributors. * 4. Neither the name of the University nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * @(#)ims332.h 8.1 (Berkeley) 6/10/93 */ /* * Mach Operating System * Copyright (c) 1991,1990,1989 Carnegie Mellon University * All Rights Reserved. * * Permission to use, copy, modify and distribute this software and its * documentation is hereby granted, provided that both the copyright * notice and this permission notice appear in all copies of the * software, derivative works or modified versions, and any portions * thereof, and that both notices appear in supporting documentation. * * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. * * Carnegie Mellon requests users of this software to return to * * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU * School of Computer Science * Carnegie Mellon University * Pittsburgh PA 15213-3890 * * any improvements or extensions that they make and grant Carnegie Mellon * the rights to redistribute these changes. */ /* * Defines for the Inmos IMS-G332 Colour video controller * Author: Alessandro Forin, Carnegie Mellon University * See: IMS G332 Colour Video Controller, 1990 Databook, pg 139-163, * Inmos, Ltd. */ /* * Although the chip is built to be memory-mapped * it can be programmed for 32 or 64 bit addressing. * Moreover, the hardware bits have been twisted * even more on the machine I am writing this for. * So I'll just define the chip's offsets and leave * it to the implementation to define the rest. */ #define IMS332_REG_BOOT 0x000 /* boot time config */ #define IMS332_REG_HALF_SYNCH 0x021 /* datapath registers */ #define IMS332_REG_BACK_PORCH 0x022 #define IMS332_REG_DISPLAY 0x023 #define IMS332_REG_SHORT_DIS 0x024 #define IMS332_REG_BROAD_PULSE 0x025 #define IMS332_REG_V_SYNC 0x026 #define IMS332_REG_V_PRE_EQUALIZE 0x027 #define IMS332_REG_V_POST_EQUALIZE 0x028 #define IMS332_REG_V_BLANK 0x029 #define IMS332_REG_V_DISPLAY 0x02a #define IMS332_REG_LINE_TIME 0x02b #define IMS332_REG_LINE_START 0x02c #define IMS332_REG_MEM_INIT 0x02d #define IMS332_REG_XFER_DELAY 0x02e #define IMS332_REG_COLOR_MASK 0x040 /* color mask register */ #define IMS332_REG_CSR_A 0x060 #define IMS332_REG_CSR_B 0x070 #define IMS332_REG_TOP_SCREEN 0x080 /* top-of-screen offset */ #define IMS332_REG_CURSOR_LUT_0 0x0a1 /* cursor palette */ #define IMS332_REG_CURSOR_LUT_1 0x0a2 #define IMS332_REG_CURSOR_LUT_2 0x0a3 #define IMS332_REG_RGB_CKSUM_0 0x0c0 /* test registers */ #define IMS332_REG_RGB_CKSUM_1 0x0c1 #define IMS332_REG_RGB_CKSUM_2 0x0c2 #define IMS332_REG_CURSOR_LOC 0x0c7 /* cursor location */ #define IMS332_REG_LUT_BASE 0x100 /* color palette */ #define IMS332_REG_LUT_END 0x1ff #define IMS332_REG_CURSOR_RAM 0x200 /* cursor bitmap */ #define IMS332_REG_CURSOR_RAM_END 0x3ff /* * Control register A */ #define IMS332_CSR_A_VTG_ENABLE 0x000001 /* vertical timing generator */ #define IMS332_CSR_A_INTERLACED 0x000002 /* screen format */ #define IMS332_CSR_A_CCIR 0x000004 /* default is EIA */ #define IMS332_CSR_A_SLAVE_SYNC 0x000008 /* else from our pll */ #define IMS332_CSR_A_PLAIN_SYNC 0x000010 /* else tesselated */ #define IMS332_CSR_A_SEPARATE_SYNC 0x000020 /* else composite */ #define IMS332_CSR_A_VIDEO_ONLY 0x000040 /* else video+sync */ #define IMS332_CSR_A_BLANK_PEDESTAL 0x000080 /* blank level */ #define IMS332_CSR_A_CBLANK_IS_OUT 0x000100 #define IMS332_CSR_A_CBLANK_NO_DELAY 0x000200 #define IMS332_CSR_A_FORCE_BLANK 0x000400 #define IMS332_CSR_A_BLANK_DISABLE 0x000800 #define IMS332_CSR_A_VRAM_INCREMENT 0x003000 # define IMS332_VRAM_INC_1 0x000000 # define IMS332_VRAM_INC_256 0x001000 /* except interlaced->2 */ # define IMS332_VRAM_INC_512 0x002000 # define IMS332_VRAM_INC_1024 0x003000 #define IMS332_CSR_A_DMA_DISABLE 0x004000 #define IMS332_CSR_A_SYNC_DELAY_MASK 0x038000 /* 0-7 VTG clk delays */ #define IMS332_CSR_A_PIXEL_INTERLEAVE 0x040000 #define IMS332_CSR_A_DELAYED_SAMPLING 0x080000 #define IMS332_CSR_A_BITS_PER_PIXEL 0x700000 # define IMS332_BPP_1 0x000000 # define IMS332_BPP_2 0x100000 # define IMS332_BPP_4 0x200000 # define IMS332_BPP_8 0x300000 # define IMS332_BPP_15 0x400000 # define IMS332_BPP_16 0x500000 #define IMS332_CSR_A_DISABLE_CURSOR 0x800000 /* * Control register B is mbz */ /* * Boot register */ #define IMS332_BOOT_PLL 0x00001f /* xPLL, binary */ #define IMS332_BOOT_CLOCK_PLL 0x000020 /* else xternal */ #define IMS332_BOOT_64_BIT_MODE 0x000040 /* else 32 */ #define IMS332_BOOT_xxx 0xffff80 /* reserved, mbz */ int ims332init (struct fbinfo *); static u_int ims332_read_register (struct fbinfo *, int); static void ims332_write_register (struct fbinfo *, int, unsigned int); void ims332InitColorMap (struct fbinfo *); int ims332LoadColorMap (struct fbinfo *, caddr_t, int, int); int ims332GetColorMap (struct fbinfo *, caddr_t, int, int); int ims332_video_off (struct fbinfo *); int ims332_video_on (struct fbinfo *); void ims332PosCursor (struct fbinfo *, int, int); void ims332RestoreCursorColor (struct fbinfo *); void ims332CursorColor (struct fbinfo *, unsigned int []); void ims332LoadCursor (struct fbinfo *, u_short *);