134 lines
4.1 KiB
C
134 lines
4.1 KiB
C
/* $NetBSD: i128.c,v 1.4 2012/10/20 13:31:09 macallan Exp $ */
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/*-
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* Copyright (c) 2007 Michael Lorenz
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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__KERNEL_RCSID(0, "$NetBSD: i128.c,v 1.4 2012/10/20 13:31:09 macallan Exp $");
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/buf.h>
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#include <sys/device.h>
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#include <sys/conf.h>
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#include <sys/bus.h>
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#include <machine/autoconf.h>
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#include <dev/ic/i128reg.h>
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#include <dev/ic/i128var.h>
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void
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i128_init(bus_space_tag_t tag, bus_space_handle_t regh, int stride, int depth)
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{
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/* initialize the i128's blitter */
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switch (depth) {
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case 8:
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bus_space_write_4(tag, regh, BUF_CTRL, BC_PSIZ_8B);
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break;
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case 16:
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bus_space_write_4(tag, regh, BUF_CTRL, BC_PSIZ_16B);
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break;
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case 32:
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bus_space_write_4(tag, regh, BUF_CTRL, BC_PSIZ_32B);
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break;
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default:
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aprint_error("i128: unsupported colour depth (%d)\n",
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depth);
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return;
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}
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bus_space_write_4(tag, regh, DE_PGE, 0);
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bus_space_write_4(tag, regh, DE_SORG, 0);
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bus_space_write_4(tag, regh, DE_DORG, 0);
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bus_space_write_4(tag, regh, DE_MSRC, 0);
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bus_space_write_4(tag, regh, DE_WKEY, 0);
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bus_space_write_4(tag, regh, DE_SPTCH, stride);
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bus_space_write_4(tag, regh, DE_DPTCH, stride);
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bus_space_write_4(tag, regh, RMSK, 0);
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bus_space_write_4(tag, regh, XY4_ZM, ZOOM_NONE);
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bus_space_write_4(tag, regh, LPAT, 0xffffffff);
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bus_space_write_4(tag, regh, ACNTRL, 0);
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bus_space_write_4(tag, regh, INTM, 3);
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bus_space_write_4(tag, regh, CLPTL, 0x00000000);
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bus_space_write_4(tag, regh, CLPBR, 0x1fff0fff);
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bus_space_write_4(tag, regh, MASK, 0xffffffff);
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}
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void
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i128_bitblt(bus_space_tag_t tag, bus_space_handle_t regh, int xs, int ys,
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int xd, int yd, int wi, int he, int rop)
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{
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int dir = 0;
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if (xs < xd) {
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dir |= DIR_RL;
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xs += wi - 1;
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xd += wi - 1;
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}
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if (ys < yd) {
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dir |= DIR_BT;
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ys += he - 1;
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yd += he - 1;
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}
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I128_READY(tag, regh);
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bus_space_write_4(tag, regh, CMD,
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(rop & 0xff) << 8 | CO_BITBLT);
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bus_space_write_4(tag, regh, XY3_DIR, dir);
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bus_space_write_4(tag, regh, XY2_WH, (wi << 16) | he);
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bus_space_write_4(tag, regh, XY0_SRC, (xs << 16) | ys);
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bus_space_write_4(tag, regh, XY1_DST, (xd << 16) | yd);
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}
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void
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i128_rectfill(bus_space_tag_t tag, bus_space_handle_t regh, int x, int y,
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int wi, int he, uint32_t color)
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{
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I128_READY(tag, regh);
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bus_space_write_4(tag, regh, CMD,
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CS_SOLID << 16 | (CR_COPY) << 8 | CO_BITBLT);
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bus_space_write_4(tag, regh, FORE, color);
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bus_space_write_4(tag, regh, XY3_DIR, 0);
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bus_space_write_4(tag, regh, XY2_WH, (wi << 16) | he);
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bus_space_write_4(tag, regh, XY0_SRC, 0);
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bus_space_write_4(tag, regh, XY1_DST, (x << 16) | y);
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}
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void
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i128_ready(bus_space_tag_t t, bus_space_handle_t h)
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{
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I128_READY(t, h);
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}
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void
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i128_sync(bus_space_tag_t t, bus_space_handle_t h)
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{
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I128_DONE(t, h);
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}
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