/* $NetBSD: sticio.h,v 1.5 2015/09/06 06:01:01 dholland Exp $ */ /*- * 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 */ }; /* * stic_xmap: a description of the area returned by mapping the board. * sxm_xcomm and sxm_buf are physically contigious 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 */ }; /* * 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 */ #endif /* !_TC_STICIO_H_ */ |