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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 "../common/input.h" |
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14 | #include "../linux/sndout_oss.h" |
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15 | |
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16 | #include <pico/pico.h> |
17 | |
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18 | /* GP2X local */ |
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19 | int default_cpu_clock; |
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20 | int gp2x_dev_id; |
21 | int gp2x_current_bpp; |
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22 | void *gp2x_screens[4]; |
23 | |
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24 | #include <linux/input.h> |
25 | |
26 | static const char * const caanoo_keys[KEY_MAX + 1] = { |
27 | [0 ... KEY_MAX] = NULL, |
28 | [KEY_UP] = "Up", |
29 | [KEY_LEFT] = "Left", |
30 | [KEY_RIGHT] = "Right", |
31 | [KEY_DOWN] = "Down", |
32 | [BTN_TRIGGER] = "A", |
33 | [BTN_THUMB] = "X", |
34 | [BTN_THUMB2] = "B", |
35 | [BTN_TOP] = "Y", |
36 | [BTN_TOP2] = "L", |
37 | [BTN_PINKIE] = "R", |
38 | [BTN_BASE] = "Home", |
39 | [BTN_BASE2] = "Lock", |
40 | [BTN_BASE3] = "I", |
41 | [BTN_BASE4] = "II", |
42 | [BTN_BASE5] = "Push", |
43 | }; |
44 | |
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45 | void gp2x_video_changemode(int bpp) |
46 | { |
47 | gp2x_video_changemode_ll(bpp); |
48 | |
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49 | gp2x_current_bpp = bpp < 0 ? -bpp : bpp; |
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50 | } |
51 | |
52 | static void gp2x_memcpy_buffers(int buffers, void *data, int offset, int len) |
53 | { |
54 | char *dst; |
55 | if (buffers & (1<<0)) { dst = (char *)gp2x_screens[0] + offset; if (dst != data) memcpy(dst, data, len); } |
56 | if (buffers & (1<<1)) { dst = (char *)gp2x_screens[1] + offset; if (dst != data) memcpy(dst, data, len); } |
57 | if (buffers & (1<<2)) { dst = (char *)gp2x_screens[2] + offset; if (dst != data) memcpy(dst, data, len); } |
58 | if (buffers & (1<<3)) { dst = (char *)gp2x_screens[3] + offset; if (dst != data) memcpy(dst, data, len); } |
59 | } |
60 | |
61 | void gp2x_memcpy_all_buffers(void *data, int offset, int len) |
62 | { |
63 | gp2x_memcpy_buffers(0xf, data, offset, len); |
64 | } |
65 | |
66 | void gp2x_memset_all_buffers(int offset, int byte, int len) |
67 | { |
68 | memset((char *)gp2x_screens[0] + offset, byte, len); |
69 | memset((char *)gp2x_screens[1] + offset, byte, len); |
70 | memset((char *)gp2x_screens[2] + offset, byte, len); |
71 | memset((char *)gp2x_screens[3] + offset, byte, len); |
72 | } |
73 | |
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74 | void gp2x_make_fb_bufferable(int yes) |
75 | { |
76 | int ret = 0; |
77 | |
78 | yes = yes ? 1 : 0; |
79 | ret |= warm_change_cb_range(WCB_B_BIT, yes, gp2x_screens[0], 320*240*2); |
80 | ret |= warm_change_cb_range(WCB_B_BIT, yes, gp2x_screens[1], 320*240*2); |
81 | ret |= warm_change_cb_range(WCB_B_BIT, yes, gp2x_screens[2], 320*240*2); |
82 | ret |= warm_change_cb_range(WCB_B_BIT, yes, gp2x_screens[3], 320*240*2); |
83 | |
84 | if (ret) |
85 | fprintf(stderr, "could not make fb buferable.\n"); |
86 | else |
87 | printf("made fb buferable.\n"); |
88 | } |
89 | |
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90 | /* common */ |
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91 | void plat_video_menu_enter(int is_rom_loaded) |
92 | { |
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93 | if (gp2x_current_bpp != 16 || gp2x_dev_id == GP2X_DEV_WIZ) { |
94 | /* try to switch nicely avoiding glitches */ |
95 | gp2x_video_wait_vsync(); |
96 | memset(gp2x_screens[0], 0, 320*240*2); |
97 | memset(gp2x_screens[1], 0, 320*240*2); |
98 | gp2x_video_flip2(); // might flip to fb2/3 |
99 | gp2x_video_flip2(); // ..so we do it again |
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100 | } |
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101 | else |
102 | gp2x_video_flip2(); |
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103 | |
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104 | // switch to 16bpp |
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105 | gp2x_video_changemode_ll(16); |
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106 | gp2x_video_RGB_setscaling(0, 320, 240); |
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107 | } |
108 | |
109 | void plat_video_menu_begin(void) |
110 | { |
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111 | g_menuscreen_ptr = g_screen_ptr; |
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112 | } |
113 | |
114 | void plat_video_menu_end(void) |
115 | { |
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116 | gp2x_video_flip2(); |
117 | } |
118 | |
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119 | void plat_early_init(void) |
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120 | { |
121 | gp2x_soc_t soc; |
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122 | FILE *f; |
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123 | |
124 | soc = soc_detect(); |
125 | switch (soc) |
126 | { |
127 | case SOCID_MMSP2: |
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128 | default_cpu_clock = 200; |
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129 | gp2x_dev_id = GP2X_DEV_GP2X; |
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130 | break; |
131 | case SOCID_POLLUX: |
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132 | default_cpu_clock = 533; |
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133 | f = fopen("/dev/accel", "rb"); |
134 | if (f) { |
135 | printf("detected Caanoo\n"); |
136 | gp2x_dev_id = GP2X_DEV_CAANOO; |
137 | fclose(f); |
138 | } |
139 | else { |
140 | printf("detected Wiz\n"); |
141 | gp2x_dev_id = GP2X_DEV_WIZ; |
142 | } |
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143 | break; |
144 | default: |
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145 | printf("could not recognize SoC, running in dummy mode.\n"); |
146 | break; |
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147 | } |
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148 | |
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149 | // just use gettimeofday until plat_init() |
150 | gp2x_get_ticks_ms = plat_get_ticks_ms_good; |
151 | gp2x_get_ticks_us = plat_get_ticks_us_good; |
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152 | } |
153 | |
154 | void plat_init(void) |
155 | { |
156 | gp2x_soc_t soc; |
157 | |
158 | soc = soc_detect(); |
159 | switch (soc) |
160 | { |
161 | case SOCID_MMSP2: |
162 | mmsp2_init(); |
163 | break; |
164 | case SOCID_POLLUX: |
165 | pollux_init(); |
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166 | break; |
167 | default: |
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168 | dummy_init(); |
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169 | break; |
170 | } |
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171 | |
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172 | warm_init(); |
173 | |
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174 | gp2x_memset_all_buffers(0, 0, 320*240*2); |
175 | |
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176 | // use buffer2 for menubg to save mem (using only buffers 0, 1 in menu) |
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177 | g_menubg_ptr = gp2x_screens[2]; |
178 | |
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179 | // snd |
180 | sndout_oss_init(); |
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181 | |
182 | if (gp2x_dev_id == GP2X_DEV_CAANOO) |
183 | in_set_config(in_name_to_id("evdev:pollux-analog"), IN_CFG_KEY_NAMES, |
184 | caanoo_keys, sizeof(caanoo_keys)); |
185 | |
186 | gp2x_menu_init(); |
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187 | } |
188 | |
189 | void plat_finish(void) |
190 | { |
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191 | gp2x_soc_t soc; |
192 | |
193 | warm_finish(); |
194 | |
195 | soc = soc_detect(); |
196 | switch (soc) |
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197 | { |
198 | case SOCID_MMSP2: |
199 | mmsp2_finish(); |
200 | break; |
201 | case SOCID_POLLUX: |
202 | pollux_finish(); |
203 | break; |
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204 | default: |
205 | dummy_finish(); |
206 | break; |
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207 | } |
208 | |
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209 | sndout_oss_exit(); |
210 | } |
211 | |
212 | void lprintf(const char *fmt, ...) |
213 | { |
214 | va_list vl; |
215 | |
216 | va_start(vl, fmt); |
217 | vprintf(fmt, vl); |
218 | va_end(vl); |
219 | } |
220 | |