FreeBSD/Linux Kernel Cross Reference
sys/dev/ic/bt463reg.h

     /*      $OpenBSD: bt463reg.h,v 1.3 2008/06/26 05:42:15 ray Exp $ */
     /*      $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.
     *
     * 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 */

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