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Annotation of sys/dev/ic/bt463reg.h, Revision 1.1.1.1

1.1       nbrk        1: /*     $OpenBSD: bt463reg.h,v 1.2 2001/04/21 20:03:54 aaron Exp $ */
                      2: /*     $NetBSD: bt463reg.h,v 1.1 1998/08/18 07:43:09 thorpej Exp $     */
                      3:
                      4: /*-
                      5:  * Copyright (c) 1998 The NetBSD Foundation, Inc.
                      6:  * All rights reserved.
                      7:  *
                      8:  * This code is derived from software contributed to The NetBSD Foundation
                      9:  * by Jason R. Thorpe of the Numerical Aerospace Simulation Facility,
                     10:  * NASA Ames Research Center.
                     11:  *
                     12:  * Redistribution and use in source and binary forms, with or without
                     13:  * modification, are permitted provided that the following conditions
                     14:  * are met:
                     15:  * 1. Redistributions of source code must retain the above copyright
                     16:  *    notice, this list of conditions and the following disclaimer.
                     17:  * 2. Redistributions in binary form must reproduce the above copyright
                     18:  *    notice, this list of conditions and the following disclaimer in the
                     19:  *    documentation and/or other materials provided with the distribution.
                     20:  * 3. All advertising materials mentioning features or use of this software
                     21:  *    must display the following acknowledgement:
                     22:  *     This product includes software developed by the NetBSD
                     23:  *     Foundation, Inc. and its contributors.
                     24:  * 4. Neither the name of The NetBSD Foundation nor the names of its
                     25:  *    contributors may be used to endorse or promote products derived
                     26:  *    from this software without specific prior written permission.
                     27:  *
                     28:  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
                     29:  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
                     30:  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
                     31:  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
                     32:  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
                     33:  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
                     34:  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
                     35:  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
                     36:  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
                     37:  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
                     38:  * POSSIBILITY OF SUCH DAMAGE.
                     39:  */
                     40:
                     41: /*
                     42:  * Register definitions for the Brooktree Bt463 135MHz Monolithic
                     43:  * CMOS TrueVu RAMDAC.
                     44:  */
                     45:
                     46: /*
                     47:  * Directly-accessible registers.  Note the address register is
                     48:  * auto-incrementing.
                     49:  */
                     50: #define        BT463_REG_ADDR_LOW              0x00    /* C1,C0 == 0,0 */
                     51: #define        BT463_REG_ADDR_HIGH             0x01    /* C1,C0 == 0,1 */
                     52: #define        BT463_REG_IREG_DATA             0x02    /* C1,C0 == 1,0 */
                     53: #define        BT463_REG_CMAP_DATA             0x03    /* C1,C0 == 1,1 */
                     54:
                     55: #define        BT463_REG_MAX                   BT463_REG_CMAP_DATA
                     56:
                     57: /*
                     58:  * All internal register access to the Bt463 is done indirectly via the
                     59:  * Address Register (mapped into the host bus in a device-specific
                     60:  * fashion).  The following register definitions are in terms of
                     61:  * their address register address values.
                     62:  */
                     63:
                     64: /* C1,C0 must be 1,0 */
                     65: #define        BT463_IREG_CURSOR_COLOR_0       0x0100  /* 3 r/w cycles */
                     66: #define        BT463_IREG_CURSOR_COLOR_1       0x0101  /* 3 r/w cycles */
                     67: #define        BT463_IREG_ID                   0x0200
                     68: #define        BT463_IREG_COMMAND_0            0x0201
                     69: #define        BT463_IREG_COMMAND_1            0x0202
                     70: #define        BT463_IREG_COMMAND_2            0x0203
                     71: #define        BT463_IREG_READ_MASK_P0_P7      0x0205
                     72: #define        BT463_IREG_READ_MASK_P8_P15     0x0206
                     73: #define        BT463_IREG_READ_MASK_P16_P23    0x0207
                     74: #define        BT463_IREG_READ_MASK_P24_P27    0x0208
                     75: #define        BT463_IREG_BLINK_MASK_P0_P7     0x0209
                     76: #define        BT463_IREG_BLINK_MASK_P8_P15    0x020a
                     77: #define        BT463_IREG_BLINK_MASK_P16_P23   0x020b
                     78: #define        BT463_IREG_BLINK_MASK_P24_P27   0x020c
                     79: #define        BT463_IREG_TEST                 0x020d
                     80: #define        BT463_IREG_INPUT_SIG            0x020e  /* 2 of 3 r/w cycles */
                     81: #define        BT463_IREG_OUTPUT_SIG           0x020f  /* 3 r/w cycles */
                     82: #define        BT463_IREG_REVISION             0x0220
                     83: #define        BT463_IREG_WINDOW_TYPE_TABLE    0x0300  /* 3 r/w cycles */
                     84:
                     85: #define        BT463_NWTYPE_ENTRIES            0x10    /* 16 window type entries */
                     86:
                     87: /* C1,C0 must be 1,1 */
                     88: #define        BT463_IREG_CPALETTE_RAM         0x0000  /* 3 r/w cycles */
                     89:
                     90: #define        BT463_NCMAP_ENTRIES             0x210   /* 528 CMAP entries */