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/* $FreeBSD$ */
/* $NetBSD: sticreg.h,v 1.1 1997/11/08 07:27:50 jonathan Exp $ */
/*
* Copyright (c) 1997 Jonathan Stone
* All rights reserved.
*
* 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 Jonathan Stone for
* the NetBSD Project.
* 4. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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 pixelstamp and stamp interface chip (STIC)
* used in PMAG-C 2-d and PMAG-D 3-d accelerated TurboChannel framebuffers.
*/
#ifndef _TC_STICREG_H_
#define _TC_STICREG_H_
struct stic_regs {
volatile int32_t stic__pad0, __pad1;
volatile int32_t hsync;
volatile int32_t hsync2;
volatile int32_t hblank;
volatile int32_t vsync;
volatile int32_t vblank;
volatile int32_t vtest;
volatile int32_t ipdvint;
volatile int32_t stic__pad2;
volatile int32_t sticsr;
volatile int32_t busdat;
volatile int32_t busadr;
volatile int32_t stic__pad3;
volatile int32_t buscsr;
volatile int32_t modcl;
};
#define STICADDR(x) ((volatile struct stic_regs*) (x))
/*
* Bit definitions for stic_regs.stic_csr.
* these appear to exactly what the PROM tests use.
*/
#define STIC_CSR_TSTFNC 0x00000003
# define STIC_CSR_TSTFNC_NORMAL 0
# define STIC_CSR_TSTFNC_PARITY 1
# define STIC_CSR_TSTFNC_CNTPIX 2
# define STIC_CSR_TSTFNC_TSTDAC 3
#define STIC_CSR_CHECKPAR 0x00000004
#define STIC_CSR_STARTVT 0x00000010
#define STIC_CSR_START 0x00000020
#define STIC_CSR_RESET 0x00000040
#define STIC_CSR_STARTST 0x00000080
/*
* Bit definitions for stic_regs.int.
* Three four-bit wide fields, for error (E), vertical-blank (V), and
* packetbuf-done (P) intererupts, respectively.
* The low-order three bits of each field are enable, requested,
* and acknowledge bits. The top bit of each field is unused.
*/
#define STIC_INT_E_EN 0x00000001
#define STIC_INT_E 0x00000002
#define STIC_INT_E_WE 0x00000004
#define STIC_INT_V_EN 0x00000100
#define STIC_INT_V 0x00000200
#define STIC_INT_V_WE 0x00000400
#define STIC_INT_P_EN 0x00010000
#define STIC_INT_P 0x00020000
#define STIC_INT_P_WE 0x00040000
#define STIC_INT_WE (STIC_INT_E_WE|STIC_INT_V_WE|STIC_INT_PE_WE)
#define STIC_INT_CLR (STIC_INT_E_EN|STIC_INT_V_EN|STIC_INT_P_EN)
#endif /* _TC_STICREG_H_ */
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