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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 | void *gp2x_screens[4]; |
20 | |
21 | void gp2x_video_changemode(int bpp) |
22 | { |
23 | gp2x_video_changemode_ll(bpp); |
24 | |
25 | gp2x_memset_all_buffers(0, 0, 320*240*2); |
26 | gp2x_video_flip(); |
27 | } |
28 | |
29 | static void gp2x_memcpy_buffers(int buffers, void *data, int offset, int len) |
30 | { |
31 | char *dst; |
32 | if (buffers & (1<<0)) { dst = (char *)gp2x_screens[0] + offset; if (dst != data) memcpy(dst, data, len); } |
33 | if (buffers & (1<<1)) { dst = (char *)gp2x_screens[1] + offset; if (dst != data) memcpy(dst, data, len); } |
34 | if (buffers & (1<<2)) { dst = (char *)gp2x_screens[2] + offset; if (dst != data) memcpy(dst, data, len); } |
35 | if (buffers & (1<<3)) { dst = (char *)gp2x_screens[3] + offset; if (dst != data) memcpy(dst, data, len); } |
36 | } |
37 | |
38 | void gp2x_memcpy_all_buffers(void *data, int offset, int len) |
39 | { |
40 | gp2x_memcpy_buffers(0xf, data, offset, len); |
41 | } |
42 | |
43 | void gp2x_memset_all_buffers(int offset, int byte, int len) |
44 | { |
45 | memset((char *)gp2x_screens[0] + offset, byte, len); |
46 | memset((char *)gp2x_screens[1] + offset, byte, len); |
47 | memset((char *)gp2x_screens[2] + offset, byte, len); |
48 | memset((char *)gp2x_screens[3] + offset, byte, len); |
49 | } |
50 | |
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51 | void gp2x_make_fb_bufferable(int yes) |
52 | { |
53 | int ret = 0; |
54 | |
55 | yes = yes ? 1 : 0; |
56 | ret |= warm_change_cb_range(WCB_B_BIT, yes, gp2x_screens[0], 320*240*2); |
57 | ret |= warm_change_cb_range(WCB_B_BIT, yes, gp2x_screens[1], 320*240*2); |
58 | ret |= warm_change_cb_range(WCB_B_BIT, yes, gp2x_screens[2], 320*240*2); |
59 | ret |= warm_change_cb_range(WCB_B_BIT, yes, gp2x_screens[3], 320*240*2); |
60 | |
61 | if (ret) |
62 | fprintf(stderr, "could not make fb buferable.\n"); |
63 | else |
64 | printf("made fb buferable.\n"); |
65 | } |
66 | |
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67 | /* common */ |
68 | char cpu_clk_name[16] = "GP2X CPU clocks"; |
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69 | |
70 | void plat_video_menu_enter(int is_rom_loaded) |
71 | { |
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72 | /* try to switch nicely avoiding tearing on Wiz */ |
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(); |
77 | gp2x_video_wait_vsync(); |
78 | gp2x_video_wait_vsync(); |
79 | |
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80 | // switch to 16bpp |
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81 | gp2x_video_changemode_ll(16); |
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82 | gp2x_video_RGB_setscaling(0, 320, 240); |
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83 | } |
84 | |
85 | void plat_video_menu_begin(void) |
86 | { |
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87 | memcpy(g_screen_ptr, gp2x_screens[2], 320*240*2); |
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88 | g_menuscreen_ptr = g_screen_ptr; |
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89 | } |
90 | |
91 | void plat_video_menu_end(void) |
92 | { |
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93 | // FIXME |
94 | // gp2x_video_flush_cache(); |
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95 | gp2x_video_flip2(); |
96 | } |
97 | |
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98 | void plat_early_init(void) |
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99 | { |
100 | gp2x_soc_t soc; |
101 | |
102 | soc = soc_detect(); |
103 | switch (soc) |
104 | { |
105 | case SOCID_MMSP2: |
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106 | default_cpu_clock = 200; |
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107 | break; |
108 | case SOCID_POLLUX: |
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109 | strcpy(cpu_clk_name, "Wiz CPU clock"); |
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110 | default_cpu_clock = 533; |
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111 | break; |
112 | default: |
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113 | printf("could not recognize SoC, running in dummy mode.\n"); |
114 | break; |
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115 | } |
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116 | } |
117 | |
118 | void plat_init(void) |
119 | { |
120 | gp2x_soc_t soc; |
121 | |
122 | soc = soc_detect(); |
123 | switch (soc) |
124 | { |
125 | case SOCID_MMSP2: |
126 | mmsp2_init(); |
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127 | menu_plat_setup(0); |
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128 | break; |
129 | case SOCID_POLLUX: |
130 | pollux_init(); |
131 | menu_plat_setup(1); |
132 | break; |
133 | default: |
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134 | dummy_init(); |
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135 | break; |
136 | } |
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137 | |
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138 | warm_init(); |
139 | |
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140 | gp2x_memset_all_buffers(0, 0, 320*240*2); |
141 | |
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142 | // use buffer2 for menubg to save mem (using only buffers 0, 1 in menu) |
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143 | g_menubg_ptr = gp2x_screens[2]; |
144 | |
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145 | // snd |
146 | sndout_oss_init(); |
147 | } |
148 | |
149 | void plat_finish(void) |
150 | { |
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151 | gp2x_soc_t soc; |
152 | |
153 | warm_finish(); |
154 | |
155 | soc = soc_detect(); |
156 | switch (soc) |
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157 | { |
158 | case SOCID_MMSP2: |
159 | mmsp2_finish(); |
160 | break; |
161 | case SOCID_POLLUX: |
162 | pollux_finish(); |
163 | break; |
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164 | default: |
165 | dummy_finish(); |
166 | break; |
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167 | } |
168 | |
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169 | sndout_oss_exit(); |
170 | } |
171 | |
172 | void lprintf(const char *fmt, ...) |
173 | { |
174 | va_list vl; |
175 | |
176 | va_start(vl, fmt); |
177 | vprintf(fmt, vl); |
178 | va_end(vl); |
179 | } |
180 | |