gs.c revision 1.2 1 /* $NetBSD: gs.c,v 1.2 2003/07/15 02:54:37 lukem Exp $ */
2
3 /*-
4 * Copyright (c) 2001 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * This code is derived from software contributed to The NetBSD Foundation
8 * by UCHIYAMA Yasushi.
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in the
17 * documentation and/or other materials provided with the distribution.
18 * 3. All advertising materials mentioning features or use of this software
19 * must display the following acknowledgement:
20 * This product includes software developed by the NetBSD
21 * Foundation, Inc. and its contributors.
22 * 4. Neither the name of The NetBSD Foundation nor the names of its
23 * contributors may be used to endorse or promote products derived
24 * from this software without specific prior written permission.
25 *
26 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
27 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
28 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
29 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
30 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
31 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
32 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
33 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
34 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
35 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
36 * POSSIBILITY OF SUCH DAMAGE.
37 */
38
39 #include <sys/cdefs.h>
40 __KERNEL_RCSID(0, "$NetBSD: gs.c,v 1.2 2003/07/15 02:54:37 lukem Exp $");
41
42 #include <sys/param.h>
43
44 #include <playstation2/playstation2/sifbios.h>
45 #include <playstation2/ee/eevar.h>
46 #include <playstation2/ee/gsvar.h>
47 #include <playstation2/ee/gsreg.h>
48 #include <playstation2/ee/gifreg.h>
49
50 #ifdef DEBUG
51 #define STATIC
52 #else
53 #define STATIC static
54 #endif
55
56 STATIC const struct gs_crt_param {
57 int w, h, dvemode;
58 u_int64_t smode1, smode2, srfsh, synch1, synch2, syncv, display;
59 } gs_crt_param[] = {
60 [NTSC_NONINTER] = {
61 .w = 640,
62 .h = 240,
63 .dvemode= 0,
64 .smode1 = SMODE1(0, 1, 1, 1, 1, 0, 0, 0, 0, 0,
65 4, 0, 0, 1, 1, 0, 2, 0, 1, 32, 4),
66 .smode2 = SMODE2(0, 0, 0),
67 .srfsh = SRFSH(8),
68 .synch1 = SYNCH1(254, 1462, 124, 222, 64),
69 .synch2 = SYNCH2(1652, 1240),
70 .syncv = SYNCV(6, 480, 6, 26, 6, 2),
71 .display=DISPLAY(239, 2559, 0, 3, 25, 632)
72 },
73 [NTSC_INTER] = {
74 .w = 640,
75 .h = 480,
76 .dvemode= 0,
77 .smode1 = SMODE1(0, 1, 1, 1, 1, 0, 0, 0, 0, 0,
78 4, 0, 0, 1, 1, 0, 2, 0, 1, 32, 4),
79 .smode2 = SMODE2(0, 0, 1),
80 .srfsh = SRFSH(8),
81 .synch1 = SYNCH1(254, 1462, 124, 222, 64),
82 .synch2 = SYNCH2(1652, 1240),
83 .syncv = SYNCV(6, 480, 6, 26, 6, 1),
84 .display= DISPLAY(479, 2559, 0, 3, 50, 632)
85 },
86 [PAL_NONINTER] = {
87 .w = 640,
88 .h = 288,
89 .dvemode= 1,
90 .smode1 = SMODE1(0, 1, 1, 1, 1, 0, 0, 0, 0, 0,
91 4, 0, 0, 1, 1, 0, 3, 0, 1, 32, 4),
92 .smode2 = SMODE2(0, 0, 0),
93 .srfsh = SRFSH(8),
94 .synch1 = SYNCH1(254, 1474, 127, 262, 48),
95 .synch2 = SYNCH2(1680, 1212),
96 .syncv = SYNCV(5, 576, 5, 33, 5, 4),
97 .display= DISPLAY(287, 2559, 0, 3, 36, 652)
98 },
99 [PAL_INTER] = {
100 .w = 640,
101 .h = 576,
102 .dvemode= 1,
103 .smode1 = SMODE1(0, 1, 1, 1, 1, 0, 0, 0, 0, 0,
104 4, 0, 0, 1, 1, 0, 3, 0, 1, 32, 4),
105 .smode2 = SMODE2(0, 0, 1),
106 .srfsh = SRFSH(8),
107 .synch1 = SYNCH1(254, 1474, 127, 262, 48),
108 .synch2 = SYNCH2(1680, 1212),
109 .syncv = SYNCV(5, 576, 5, 33, 5, 4),
110 .display= DISPLAY(575,2559,0,3,72,652)
111 },
112 [VESA_1A] = {
113 .w = 640,
114 .h = 480,
115 .dvemode= 2,
116 .smode1 = SMODE1(1, 0, 1, 1, 1, 0, 0, 0, 0, 0,
117 2, 0, 0, 1, 0, 0, 0, 0, 1, 15, 2),
118 .smode2 = SMODE2(0, 0, 0),
119 .srfsh = SRFSH(4),
120 .synch1 = SYNCH1(192, 608, 192, 84, 32),
121 .synch2 = SYNCH2(768, 524),
122 .syncv = SYNCV(2, 480, 0, 33, 0, 10),
123 .display= DISPLAY(479, 1279, 0, 1, 34, 276)
124 }
125 };
126
127 void
128 gs_init(enum gs_crt_type type)
129 {
130 const struct gs_crt_param *p = &gs_crt_param[type];
131 u_int64_t smode1 = p->smode1;
132
133 /* GS reset */
134 _reg_write_8(GS_S_CSR_REG, 1 << 9);
135
136 /* setup PCRTC */
137 _reg_write_8(GS_S_PMODE_REG, 0); /* disable circuit 1/2 */
138
139 _reg_write_8(GS_S_SMODE1_REG, smode1 | ((u_int64_t)1 << 16));
140 _reg_write_8(GS_S_SYNCH1_REG, p->synch1);
141 _reg_write_8(GS_S_SYNCH2_REG, p->synch2);
142 _reg_write_8(GS_S_SYNCV_REG, p->syncv);
143 _reg_write_8(GS_S_SMODE2_REG, p->smode2);
144 _reg_write_8(GS_S_SRFSH_REG, p->srfsh);
145
146 if (p->dvemode == 2) { /* PLL on */
147 _reg_write_8(GS_S_SMODE1_REG, smode1 & ~((u_int64_t)1 << 16));
148 delay(2500);
149 }
150
151 /* start sync */
152 _reg_write_8(GS_S_SMODE1_REG,
153 smode1 & ~((u_int64_t)1 << 16) & ~((u_int64_t)1 << 17));
154
155 sifbios_setdve(p->dvemode);
156
157 /* enable circuit */
158 _reg_write_8(GS_S_PMODE_REG, 0x66);
159
160 /* display environment */
161 _reg_write_8(GS_S_DISPLAY2_REG, p->display);
162 _reg_write_8(GS_S_DISPFB2_REG, (p->w >> 6) << 9);
163 _reg_write_8(GS_S_SMODE2_REG, p->smode2);
164 _reg_write_8(GS_S_BGCOLOR_REG, 0);
165
166 /* Flush GS FIFO */
167 _reg_write_8(GS_S_CSR_REG, 1 << 8);
168
169 /* GIF reset */
170 _reg_write_4(GIF_CTRL_REG, 1);
171 }
172