/*-
* Copyright (c) 1999, 2000, 2001 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Andrew Doran.
*
* 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.
*/
#ifndef _TC_STICIO_H_
#define _TC_STICIO_H_
#include <sys/ioccom.h>
/*
* Buffer sizes. Image buffers (span buffers, really) must be able to hold
* 1280 32-bit pixels, even for the 8-bit boards.
*/
#define STIC_XCOMM_SIZE 4096
#define STIC_PACKET_SIZE 4096
#define STIC_IMGBUF_SIZE 1280*4
/*
* stic_xinfo: info about the board that can't be gleaned using the generic
* wscons interfaces.
*/
struct stic_xinfo {
int sxi_stampw; /* stamp width */
int sxi_stamph; /* stamp height */
int sxi_unit; /* control device unit (-1 == none) */
u_int sxi_buf_size; /* total buffer size in bytes */
u_int sxi_buf_phys; /* buffer PA (STIC address space) */
u_int sxi_buf_pktoff; /* offset to packet buffers */
u_int sxi_buf_pktcnt; /* packet buffer count */
u_int sxi_buf_imgoff; /* offset to image buffers */
};
/*
* stic_xcomm: Xserver communication area. Used to communicate with the
* kernel or i860 firmware when performing packet queueing or other such
* funkiness.
*/
struct stic_xcomm {
u_int sxc_head; /* Xserver submit pointer */
u_int sxc_tail; /* STIC execute pointer */
u_int sxc_nreject; /* number of rejected STIC polls */
u_int sxc_nstall; /* number of queue stalls */
u_int sxc_busy; /* true if STIC is busy */
u_int sxc_reserved[8]; /* reserved for future use */
u_int sxc_done[16]; /* packet completion semaphores */
};
#ifdef _KERNEL
/*
* stic_xmap: a description of the area returned by mapping the board.
* sxm_xcomm and sxm_buf are physically contiguous and of variable size as a
* whole; the combined size is learnt from stic_xinfo::sxi_buf_size.
*/
struct stic_xmap {
u_int8_t sxm_stic[NBPG]; /* STIC registers */
u_int8_t sxm_poll[0xc0000]; /* poll registers */
u_int8_t sxm_xcomm[256 * 1024]; /* X comms area */
};
#endif
/*
* ioctl interface.
*/
#define STICIO_GXINFO _IOR('S', 0, struct stic_xinfo)
#define STICIO_RESET _IO('S', 1)
#define STICIO_START860 _IO('S', 2) /* PXG only, may disappear */
#define STICIO_RESET860 _IO('S', 3) /* PXG only, may disappear */
#define STICIO_STARTQ _IO('S', 4) /* currently PX only */
#define STICIO_STOPQ _IO('S', 5) /* currently PX only */
