1 /* $NetBSD: sticreg.h,v 1.1 1997/11/08 07:27:50 jonathan Exp $ */ 2 3 /* 4 * Copyright (c) 1997 Jonathan Stone 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. All advertising materials mentioning features or use of this software 16 * must display the following acknowledgement: 17 * This product includes software developed by Jonathan Stone for 18 * the NetBSD Project. 19 * 4. The name of the author may not be used to endorse or promote products 20 * derived from this software without specific prior written permission. 21 * 22 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 23 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 24 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 25 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 26 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 27 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 28 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 29 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 30 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 31 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 32 */ 33 34 /* 35 * Register definitions for the pixelstamp and stamp interface chip (STIC) 36 * used in PMAG-C 2-d and PMAG-D 3-d accelerated TurboChannel framebuffers. 37 */ 38 39 #ifndef _TC_STICREG_H_ 40 #define _TC_STICREG_H_ 41 42 struct stic_regs { 43 volatile int32_t stic__pad0, __pad1; 44 volatile int32_t hsync; 45 volatile int32_t hsync2; 46 volatile int32_t hblank; 47 volatile int32_t vsync; 48 volatile int32_t vblank; 49 volatile int32_t vtest; 50 volatile int32_t ipdvint; 51 volatile int32_t stic__pad2; 52 volatile int32_t sticsr; 53 volatile int32_t busdat; 54 volatile int32_t busadr; 55 volatile int32_t stic__pad3; 56 volatile int32_t buscsr; 57 volatile int32_t modcl; 58 }; 59 60 #define STICADDR(x) ((volatile struct stic_regs*) (x)) 61 62 63 /* 64 * Bit definitions for stic_regs.stic_csr. 65 * these appear to exactly what the PROM tests use. 66 */ 67 #define STIC_CSR_TSTFNC 0x00000003 68 # define STIC_CSR_TSTFNC_NORMAL 0 69 # define STIC_CSR_TSTFNC_PARITY 1 70 # define STIC_CSR_TSTFNC_CNTPIX 2 71 # define STIC_CSR_TSTFNC_TSTDAC 3 72 #define STIC_CSR_CHECKPAR 0x00000004 73 #define STIC_CSR_STARTVT 0x00000010 74 #define STIC_CSR_START 0x00000020 75 #define STIC_CSR_RESET 0x00000040 76 #define STIC_CSR_STARTST 0x00000080 77 78 /* 79 * Bit definitions for stic_regs.int. 80 * Three four-bit wide fields, for error (E), vertical-blank (V), and 81 * packetbuf-done (P) intererupts, respectively. 82 * The low-order three bits of each field are enable, requested, 83 * and acknowledge bits. The top bit of each field is unused. 84 */ 85 #define STIC_INT_E_EN 0x00000001 86 #define STIC_INT_E 0x00000002 87 #define STIC_INT_E_WE 0x00000004 88 89 #define STIC_INT_V_EN 0x00000100 90 #define STIC_INT_V 0x00000200 91 #define STIC_INT_V_WE 0x00000400 92 93 #define STIC_INT_P_EN 0x00010000 94 #define STIC_INT_P 0x00020000 95 #define STIC_INT_P_WE 0x00040000 96 97 #define STIC_INT_WE (STIC_INT_E_WE|STIC_INT_V_WE|STIC_INT_PE_WE) 98 #define STIC_INT_CLR (STIC_INT_E_EN|STIC_INT_V_EN|STIC_INT_P_EN) 99 100 #endif /* _TC_STICREG_H_ */ 101