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1 | #include <stdio.h> |
2 | #include <stdlib.h> |
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3 | #include <string.h> |
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4 | #include <stdarg.h> |
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5 | |
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6 | #include "plat_gp2x.h" |
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7 | #include "soc.h" |
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8 | #include "warm.h" |
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9 | #include "../common/plat.h" |
10 | #include "../common/readpng.h" |
11 | #include "../common/menu.h" |
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12 | #include "../common/emu.h" |
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13 | #include "../linux/sndout_oss.h" |
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14 | |
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15 | #include <pico/pico.h> |
16 | |
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17 | /* GP2X local */ |
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18 | int default_cpu_clock; |
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19 | int gp2x_dev_id; |
20 | int gp2x_current_bpp; |
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21 | void *gp2x_screens[4]; |
22 | |
23 | void gp2x_video_changemode(int bpp) |
24 | { |
25 | gp2x_video_changemode_ll(bpp); |
26 | |
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27 | gp2x_current_bpp = bpp < 0 ? -bpp : bpp; |
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28 | } |
29 | |
30 | static void gp2x_memcpy_buffers(int buffers, void *data, int offset, int len) |
31 | { |
32 | char *dst; |
33 | if (buffers & (1<<0)) { dst = (char *)gp2x_screens[0] + offset; if (dst != data) memcpy(dst, data, len); } |
34 | if (buffers & (1<<1)) { dst = (char *)gp2x_screens[1] + offset; if (dst != data) memcpy(dst, data, len); } |
35 | if (buffers & (1<<2)) { dst = (char *)gp2x_screens[2] + offset; if (dst != data) memcpy(dst, data, len); } |
36 | if (buffers & (1<<3)) { dst = (char *)gp2x_screens[3] + offset; if (dst != data) memcpy(dst, data, len); } |
37 | } |
38 | |
39 | void gp2x_memcpy_all_buffers(void *data, int offset, int len) |
40 | { |
41 | gp2x_memcpy_buffers(0xf, data, offset, len); |
42 | } |
43 | |
44 | void gp2x_memset_all_buffers(int offset, int byte, int len) |
45 | { |
46 | memset((char *)gp2x_screens[0] + offset, byte, len); |
47 | memset((char *)gp2x_screens[1] + offset, byte, len); |
48 | memset((char *)gp2x_screens[2] + offset, byte, len); |
49 | memset((char *)gp2x_screens[3] + offset, byte, len); |
50 | } |
51 | |
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52 | void gp2x_make_fb_bufferable(int yes) |
53 | { |
54 | int ret = 0; |
55 | |
56 | yes = yes ? 1 : 0; |
57 | ret |= warm_change_cb_range(WCB_B_BIT, yes, gp2x_screens[0], 320*240*2); |
58 | ret |= warm_change_cb_range(WCB_B_BIT, yes, gp2x_screens[1], 320*240*2); |
59 | ret |= warm_change_cb_range(WCB_B_BIT, yes, gp2x_screens[2], 320*240*2); |
60 | ret |= warm_change_cb_range(WCB_B_BIT, yes, gp2x_screens[3], 320*240*2); |
61 | |
62 | if (ret) |
63 | fprintf(stderr, "could not make fb buferable.\n"); |
64 | else |
65 | printf("made fb buferable.\n"); |
66 | } |
67 | |
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68 | /* common */ |
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69 | void plat_video_menu_enter(int is_rom_loaded) |
70 | { |
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71 | if (gp2x_current_bpp != 16 || gp2x_dev_id == GP2X_DEV_WIZ) { |
72 | /* try to switch nicely avoiding glitches */ |
73 | gp2x_video_wait_vsync(); |
74 | memset(gp2x_screens[0], 0, 320*240*2); |
75 | memset(gp2x_screens[1], 0, 320*240*2); |
76 | gp2x_video_flip2(); // might flip to fb2/3 |
77 | gp2x_video_flip2(); // ..so we do it again |
78 | // gp2x_video_wait_vsync(); |
79 | } |
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80 | |
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81 | // switch to 16bpp |
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82 | gp2x_video_changemode_ll(16); |
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83 | gp2x_video_RGB_setscaling(0, 320, 240); |
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84 | } |
85 | |
86 | void plat_video_menu_begin(void) |
87 | { |
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88 | memcpy(g_screen_ptr, gp2x_screens[2], 320*240*2); |
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89 | g_menuscreen_ptr = g_screen_ptr; |
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90 | } |
91 | |
92 | void plat_video_menu_end(void) |
93 | { |
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94 | // FIXME |
95 | // gp2x_video_flush_cache(); |
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96 | gp2x_video_flip2(); |
97 | } |
98 | |
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99 | void plat_early_init(void) |
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100 | { |
101 | gp2x_soc_t soc; |
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102 | FILE *f; |
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103 | |
104 | soc = soc_detect(); |
105 | switch (soc) |
106 | { |
107 | case SOCID_MMSP2: |
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108 | default_cpu_clock = 200; |
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109 | gp2x_dev_id = GP2X_DEV_GP2X; |
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110 | break; |
111 | case SOCID_POLLUX: |
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112 | default_cpu_clock = 533; |
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113 | f = fopen("/dev/accel", "rb"); |
114 | if (f) { |
115 | printf("detected Caanoo\n"); |
116 | gp2x_dev_id = GP2X_DEV_CAANOO; |
117 | fclose(f); |
118 | } |
119 | else { |
120 | printf("detected Wiz\n"); |
121 | gp2x_dev_id = GP2X_DEV_WIZ; |
122 | } |
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123 | break; |
124 | default: |
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125 | printf("could not recognize SoC, running in dummy mode.\n"); |
126 | break; |
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127 | } |
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128 | |
129 | gp2x_menu_init(); |
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130 | } |
131 | |
132 | void plat_init(void) |
133 | { |
134 | gp2x_soc_t soc; |
135 | |
136 | soc = soc_detect(); |
137 | switch (soc) |
138 | { |
139 | case SOCID_MMSP2: |
140 | mmsp2_init(); |
141 | break; |
142 | case SOCID_POLLUX: |
143 | pollux_init(); |
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144 | break; |
145 | default: |
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146 | dummy_init(); |
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147 | break; |
148 | } |
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149 | |
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150 | warm_init(); |
151 | |
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152 | gp2x_memset_all_buffers(0, 0, 320*240*2); |
153 | |
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154 | // use buffer2 for menubg to save mem (using only buffers 0, 1 in menu) |
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155 | g_menubg_ptr = gp2x_screens[2]; |
156 | |
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157 | // snd |
158 | sndout_oss_init(); |
159 | } |
160 | |
161 | void plat_finish(void) |
162 | { |
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163 | gp2x_soc_t soc; |
164 | |
165 | warm_finish(); |
166 | |
167 | soc = soc_detect(); |
168 | switch (soc) |
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169 | { |
170 | case SOCID_MMSP2: |
171 | mmsp2_finish(); |
172 | break; |
173 | case SOCID_POLLUX: |
174 | pollux_finish(); |
175 | break; |
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176 | default: |
177 | dummy_finish(); |
178 | break; |
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179 | } |
180 | |
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181 | sndout_oss_exit(); |
182 | } |
183 | |
184 | void lprintf(const char *fmt, ...) |
185 | { |
186 | va_list vl; |
187 | |
188 | va_start(vl, fmt); |
189 | vprintf(fmt, vl); |
190 | va_end(vl); |
191 | } |
192 | |