diff options
Diffstat (limited to 'sys/dev/ic/bt463reg.h')
| -rw-r--r-- | sys/dev/ic/bt463reg.h | 89 |
1 files changed, 89 insertions, 0 deletions
diff --git a/sys/dev/ic/bt463reg.h b/sys/dev/ic/bt463reg.h new file mode 100644 index 00000000000..16f9c0671ee --- /dev/null +++ b/sys/dev/ic/bt463reg.h @@ -0,0 +1,89 @@ +/* $NetBSD: bt463reg.h,v 1.1 1998/08/18 07:43:09 thorpej Exp $ */ + +/*- + * Copyright (c) 1998 The NetBSD Foundation, Inc. + * All rights reserved. + * + * This code is derived from software contributed to The NetBSD Foundation + * by Jason R. Thorpe of the Numerical Aerospace Simulation Facility, + * NASA Ames Research Center. + * + * 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 NetBSD + * Foundation, Inc. and its contributors. + * 4. Neither the name of The NetBSD Foundation 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 NETBSD FOUNDATION, INC. 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 FOUNDATION 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. + */ + +/* + * Register definitions for the Brooktree Bt463 135MHz Monolithic + * CMOS TrueVu RAMDAC. + */ + +/* + * Directly-accessible registers. Note the address register is + * auto-incrementing. + */ +#define BT463_REG_ADDR_LOW 0x00 /* C1,C0 == 0,0 */ +#define BT463_REG_ADDR_HIGH 0x01 /* C1,C0 == 0,1 */ +#define BT463_REG_IREG_DATA 0x02 /* C1,C0 == 1,0 */ +#define BT463_REG_CMAP_DATA 0x03 /* C1,C0 == 1,1 */ + +#define BT463_REG_MAX BT463_REG_CMAP_DATA + +/* + * All internal register access to the Bt463 is done indirectly via the + * Address Register (mapped into the host bus in a device-specific + * fashion). The following register definitions are in terms of + * their address register address values. + */ + +/* C1,C0 must be 1,0 */ +#define BT463_IREG_CURSOR_COLOR_0 0x0100 /* 3 r/w cycles */ +#define BT463_IREG_CURSOR_COLOR_1 0x0101 /* 3 r/w cycles */ +#define BT463_IREG_ID 0x0200 +#define BT463_IREG_COMMAND_0 0x0201 +#define BT463_IREG_COMMAND_1 0x0202 +#define BT463_IREG_COMMAND_2 0x0203 +#define BT463_IREG_READ_MASK_P0_P7 0x0205 +#define BT463_IREG_READ_MASK_P8_P15 0x0206 +#define BT463_IREG_READ_MASK_P16_P23 0x0207 +#define BT463_IREG_READ_MASK_P24_P27 0x0208 +#define BT463_IREG_BLINK_MASK_P0_P7 0x0209 +#define BT463_IREG_BLINK_MASK_P8_P15 0x020a +#define BT463_IREG_BLINK_MASK_P16_P23 0x020b +#define BT463_IREG_BLINK_MASK_P24_P27 0x020c +#define BT463_IREG_TEST 0x020d +#define BT463_IREG_INPUT_SIG 0x020e /* 2 of 3 r/w cycles */ +#define BT463_IREG_OUTPUT_SIG 0x020f /* 3 r/w cycles */ +#define BT463_IREG_REVISION 0x0220 +#define BT463_IREG_WINDOW_TYPE_TABLE 0x0300 /* 3 r/w cycles */ + +#define BT463_NWTYPE_ENTRIES 0x10 /* 16 window type entries */ + +/* C1,C0 must be 1,1 */ +#define BT463_IREG_CPALETTE_RAM 0x0000 /* 3 r/w cycles */ + +#define BT463_NCMAP_ENTRIES 0x210 /* 528 CMAP entries */ |