gs.c revision 1.1 1 /* $NetBSD: gs.c,v 1.1 2001/10/16 15:38:37 uch 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/param.h>
40
41 #include <playstation2/playstation2/sifbios.h>
42 #include <playstation2/ee/eevar.h>
43 #include <playstation2/ee/gsvar.h>
44 #include <playstation2/ee/gsreg.h>
45 #include <playstation2/ee/gifreg.h>
46
47 #ifdef DEBUG
48 #define STATIC
49 #else
50 #define STATIC static
51 #endif
52
53 STATIC const struct gs_crt_param {
54 int w, h, dvemode;
55 u_int64_t smode1, smode2, srfsh, synch1, synch2, syncv, display;
56 } gs_crt_param[] = {
57 [NTSC_NONINTER] = {
58 .w = 640,
59 .h = 240,
60 .dvemode= 0,
61 .smode1 = SMODE1(0, 1, 1, 1, 1, 0, 0, 0, 0, 0,
62 4, 0, 0, 1, 1, 0, 2, 0, 1, 32, 4),
63 .smode2 = SMODE2(0, 0, 0),
64 .srfsh = SRFSH(8),
65 .synch1 = SYNCH1(254, 1462, 124, 222, 64),
66 .synch2 = SYNCH2(1652, 1240),
67 .syncv = SYNCV(6, 480, 6, 26, 6, 2),
68 .display=DISPLAY(239, 2559, 0, 3, 25, 632)
69 },
70 [NTSC_INTER] = {
71 .w = 640,
72 .h = 480,
73 .dvemode= 0,
74 .smode1 = SMODE1(0, 1, 1, 1, 1, 0, 0, 0, 0, 0,
75 4, 0, 0, 1, 1, 0, 2, 0, 1, 32, 4),
76 .smode2 = SMODE2(0, 0, 1),
77 .srfsh = SRFSH(8),
78 .synch1 = SYNCH1(254, 1462, 124, 222, 64),
79 .synch2 = SYNCH2(1652, 1240),
80 .syncv = SYNCV(6, 480, 6, 26, 6, 1),
81 .display= DISPLAY(479, 2559, 0, 3, 50, 632)
82 },
83 [PAL_NONINTER] = {
84 .w = 640,
85 .h = 288,
86 .dvemode= 1,
87 .smode1 = SMODE1(0, 1, 1, 1, 1, 0, 0, 0, 0, 0,
88 4, 0, 0, 1, 1, 0, 3, 0, 1, 32, 4),
89 .smode2 = SMODE2(0, 0, 0),
90 .srfsh = SRFSH(8),
91 .synch1 = SYNCH1(254, 1474, 127, 262, 48),
92 .synch2 = SYNCH2(1680, 1212),
93 .syncv = SYNCV(5, 576, 5, 33, 5, 4),
94 .display= DISPLAY(287, 2559, 0, 3, 36, 652)
95 },
96 [PAL_INTER] = {
97 .w = 640,
98 .h = 576,
99 .dvemode= 1,
100 .smode1 = SMODE1(0, 1, 1, 1, 1, 0, 0, 0, 0, 0,
101 4, 0, 0, 1, 1, 0, 3, 0, 1, 32, 4),
102 .smode2 = SMODE2(0, 0, 1),
103 .srfsh = SRFSH(8),
104 .synch1 = SYNCH1(254, 1474, 127, 262, 48),
105 .synch2 = SYNCH2(1680, 1212),
106 .syncv = SYNCV(5, 576, 5, 33, 5, 4),
107 .display= DISPLAY(575,2559,0,3,72,652)
108 },
109 [VESA_1A] = {
110 .w = 640,
111 .h = 480,
112 .dvemode= 2,
113 .smode1 = SMODE1(1, 0, 1, 1, 1, 0, 0, 0, 0, 0,
114 2, 0, 0, 1, 0, 0, 0, 0, 1, 15, 2),
115 .smode2 = SMODE2(0, 0, 0),
116 .srfsh = SRFSH(4),
117 .synch1 = SYNCH1(192, 608, 192, 84, 32),
118 .synch2 = SYNCH2(768, 524),
119 .syncv = SYNCV(2, 480, 0, 33, 0, 10),
120 .display= DISPLAY(479, 1279, 0, 1, 34, 276)
121 }
122 };
123
124 void
125 gs_init(enum gs_crt_type type)
126 {
127 const struct gs_crt_param *p = &gs_crt_param[type];
128 u_int64_t smode1 = p->smode1;
129
130 /* GS reset */
131 _reg_write_8(GS_S_CSR_REG, 1 << 9);
132
133 /* setup PCRTC */
134 _reg_write_8(GS_S_PMODE_REG, 0); /* disable circuit 1/2 */
135
136 _reg_write_8(GS_S_SMODE1_REG, smode1 | ((u_int64_t)1 << 16));
137 _reg_write_8(GS_S_SYNCH1_REG, p->synch1);
138 _reg_write_8(GS_S_SYNCH2_REG, p->synch2);
139 _reg_write_8(GS_S_SYNCV_REG, p->syncv);
140 _reg_write_8(GS_S_SMODE2_REG, p->smode2);
141 _reg_write_8(GS_S_SRFSH_REG, p->srfsh);
142
143 if (p->dvemode == 2) { /* PLL on */
144 _reg_write_8(GS_S_SMODE1_REG, smode1 & ~((u_int64_t)1 << 16));
145 delay(2500);
146 }
147
148 /* start sync */
149 _reg_write_8(GS_S_SMODE1_REG,
150 smode1 & ~((u_int64_t)1 << 16) & ~((u_int64_t)1 << 17));
151
152 sifbios_setdve(p->dvemode);
153
154 /* enable circuit */
155 _reg_write_8(GS_S_PMODE_REG, 0x66);
156
157 /* display environment */
158 _reg_write_8(GS_S_DISPLAY2_REG, p->display);
159 _reg_write_8(GS_S_DISPFB2_REG, (p->w >> 6) << 9);
160 _reg_write_8(GS_S_SMODE2_REG, p->smode2);
161 _reg_write_8(GS_S_BGCOLOR_REG, 0);
162
163 /* Flush GS FIFO */
164 _reg_write_8(GS_S_CSR_REG, 1 << 8);
165
166 /* GIF reset */
167 _reg_write_4(GIF_CTRL_REG, 1);
168 }
169