1 /* $NetBSD: i128.c,v 1.4 2012/10/20 13:31:09 macallan Exp $ */
2
3 /*-
4 * Copyright (c) 2007 Michael Lorenz
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 *
16 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
17 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
18 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
19 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
20 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
26 * POSSIBILITY OF SUCH DAMAGE.
27 */
28
29 #include <sys/cdefs.h>
30 __KERNEL_RCSID(0, "$NetBSD: i128.c,v 1.4 2012/10/20 13:31:09 macallan Exp $");
31
32 #include <sys/param.h>
33 #include <sys/systm.h>
34 #include <sys/buf.h>
35 #include <sys/device.h>
36 #include <sys/conf.h>
37
38 #include <sys/bus.h>
39 #include <machine/autoconf.h>
40
41 #include <dev/ic/i128reg.h>
42 #include <dev/ic/i128var.h>
43
44 void
i128_init(bus_space_tag_t tag,bus_space_handle_t regh,int stride,int depth)45 i128_init(bus_space_tag_t tag, bus_space_handle_t regh, int stride, int depth)
46 {
47 /* initialize the i128's blitter */
48 switch (depth) {
49 case 8:
50 bus_space_write_4(tag, regh, BUF_CTRL, BC_PSIZ_8B);
51 break;
52 case 16:
53 bus_space_write_4(tag, regh, BUF_CTRL, BC_PSIZ_16B);
54 break;
55 case 32:
56 bus_space_write_4(tag, regh, BUF_CTRL, BC_PSIZ_32B);
57 break;
58 default:
59 aprint_error("i128: unsupported colour depth (%d)\n",
60 depth);
61 return;
62 }
63
64 bus_space_write_4(tag, regh, DE_PGE, 0);
65 bus_space_write_4(tag, regh, DE_SORG, 0);
66 bus_space_write_4(tag, regh, DE_DORG, 0);
67 bus_space_write_4(tag, regh, DE_MSRC, 0);
68 bus_space_write_4(tag, regh, DE_WKEY, 0);
69 bus_space_write_4(tag, regh, DE_SPTCH, stride);
70 bus_space_write_4(tag, regh, DE_DPTCH, stride);
71 bus_space_write_4(tag, regh, RMSK, 0);
72 bus_space_write_4(tag, regh, XY4_ZM, ZOOM_NONE);
73 bus_space_write_4(tag, regh, LPAT, 0xffffffff);
74 bus_space_write_4(tag, regh, ACNTRL, 0);
75 bus_space_write_4(tag, regh, INTM, 3);
76 bus_space_write_4(tag, regh, CLPTL, 0x00000000);
77 bus_space_write_4(tag, regh, CLPBR, 0x1fff0fff);
78 bus_space_write_4(tag, regh, MASK, 0xffffffff);
79 }
80
81 void
i128_bitblt(bus_space_tag_t tag,bus_space_handle_t regh,int xs,int ys,int xd,int yd,int wi,int he,int rop)82 i128_bitblt(bus_space_tag_t tag, bus_space_handle_t regh, int xs, int ys,
83 int xd, int yd, int wi, int he, int rop)
84 {
85 int dir = 0;
86
87 if (xs < xd) {
88 dir |= DIR_RL;
89 xs += wi - 1;
90 xd += wi - 1;
91 }
92 if (ys < yd) {
93 dir |= DIR_BT;
94 ys += he - 1;
95 yd += he - 1;
96 }
97
98 I128_READY(tag, regh);
99 bus_space_write_4(tag, regh, CMD,
100 (rop & 0xff) << 8 | CO_BITBLT);
101 bus_space_write_4(tag, regh, XY3_DIR, dir);
102 bus_space_write_4(tag, regh, XY2_WH, (wi << 16) | he);
103 bus_space_write_4(tag, regh, XY0_SRC, (xs << 16) | ys);
104 bus_space_write_4(tag, regh, XY1_DST, (xd << 16) | yd);
105 }
106
107 void
i128_rectfill(bus_space_tag_t tag,bus_space_handle_t regh,int x,int y,int wi,int he,uint32_t color)108 i128_rectfill(bus_space_tag_t tag, bus_space_handle_t regh, int x, int y,
109 int wi, int he, uint32_t color)
110 {
111
112 I128_READY(tag, regh);
113 bus_space_write_4(tag, regh, CMD,
114 CS_SOLID << 16 | (CR_COPY) << 8 | CO_BITBLT);
115 bus_space_write_4(tag, regh, FORE, color);
116 bus_space_write_4(tag, regh, XY3_DIR, 0);
117 bus_space_write_4(tag, regh, XY2_WH, (wi << 16) | he);
118 bus_space_write_4(tag, regh, XY0_SRC, 0);
119 bus_space_write_4(tag, regh, XY1_DST, (x << 16) | y);
120 }
121
122 void
i128_ready(bus_space_tag_t t,bus_space_handle_t h)123 i128_ready(bus_space_tag_t t, bus_space_handle_t h)
124 {
125 I128_READY(t, h);
126 }
127
128 void
i128_sync(bus_space_tag_t t,bus_space_handle_t h)129 i128_sync(bus_space_tag_t t, bus_space_handle_t h)
130 {
131 I128_DONE(t, h);
132 }
133
134