1 #include <stdio.h>
2 #include <stdlib.h>
3 #include <string.h>
4 #include <linux/input.h>
5 
6 #include "../common/emu.h"
7 #include "../common/menu_pico.h"
8 #include "../common/input_pico.h"
9 #include "../libpicofe/input.h"
10 #include "../libpicofe/plat.h"
11 #include "../libpicofe/linux/in_evdev.h"
12 #include "../libpicofe/gp2x/soc.h"
13 #include "../libpicofe/gp2x/plat_gp2x.h"
14 #include "../libpicofe/gp2x/in_gp2x.h"
15 #include "940ctl.h"
16 #include "warm.h"
17 #include "plat.h"
18 
19 #include <pico/pico.h>
20 
21 /* GP2X local */
22 int gp2x_current_bpp;
23 void *gp2x_screens[4];
24 
25 void (*gp2x_video_flip)(void);
26 void (*gp2x_video_flip2)(void);
27 void (*gp2x_video_changemode_ll)(int bpp, int is_pal);
28 void (*gp2x_video_setpalette)(int *pal, int len);
29 void (*gp2x_video_RGB_setscaling)(int ln_offs, int W, int H);
30 void (*gp2x_video_wait_vsync)(void);
31 
32 static struct in_default_bind in_evdev_defbinds[] =
33 {
34 	/* MXYZ SACB RLDU */
35 	{ KEY_UP,	IN_BINDTYPE_PLAYER12, GBTN_UP },
36 	{ KEY_DOWN,	IN_BINDTYPE_PLAYER12, GBTN_DOWN },
37 	{ KEY_LEFT,	IN_BINDTYPE_PLAYER12, GBTN_LEFT },
38 	{ KEY_RIGHT,	IN_BINDTYPE_PLAYER12, GBTN_RIGHT },
39 	{ KEY_A,	IN_BINDTYPE_PLAYER12, GBTN_A },
40 	{ KEY_S,	IN_BINDTYPE_PLAYER12, GBTN_B },
41 	{ KEY_D,	IN_BINDTYPE_PLAYER12, GBTN_C },
42 	{ KEY_ENTER,	IN_BINDTYPE_PLAYER12, GBTN_START },
43 	{ KEY_BACKSLASH, IN_BINDTYPE_EMU, PEVB_MENU },
44 	/* Caanoo */
45 	{ BTN_TRIGGER,	IN_BINDTYPE_PLAYER12, GBTN_A },
46 	{ BTN_THUMB,	IN_BINDTYPE_PLAYER12, GBTN_B },
47 	{ BTN_THUMB2,	IN_BINDTYPE_PLAYER12, GBTN_C },
48 	{ BTN_BASE3,	IN_BINDTYPE_PLAYER12, GBTN_START },
49 	{ BTN_TOP2,	IN_BINDTYPE_EMU, PEVB_STATE_SAVE },
50 	{ BTN_PINKIE,	IN_BINDTYPE_EMU, PEVB_STATE_LOAD },
51 	{ BTN_BASE,	IN_BINDTYPE_EMU, PEVB_MENU },
52 	{ 0, 0, 0 }
53 };
54 
55 static struct in_default_bind in_gp2x_defbinds[] =
56 {
57 	{ GP2X_BTN_UP,    IN_BINDTYPE_PLAYER12, GBTN_UP },
58 	{ GP2X_BTN_DOWN,  IN_BINDTYPE_PLAYER12, GBTN_DOWN },
59 	{ GP2X_BTN_LEFT,  IN_BINDTYPE_PLAYER12, GBTN_LEFT },
60 	{ GP2X_BTN_RIGHT, IN_BINDTYPE_PLAYER12, GBTN_RIGHT },
61 	{ GP2X_BTN_A,     IN_BINDTYPE_PLAYER12, GBTN_A },
62 	{ GP2X_BTN_X,     IN_BINDTYPE_PLAYER12, GBTN_B },
63 	{ GP2X_BTN_B,     IN_BINDTYPE_PLAYER12, GBTN_C },
64 	{ GP2X_BTN_START, IN_BINDTYPE_PLAYER12, GBTN_START },
65 	{ GP2X_BTN_Y,     IN_BINDTYPE_EMU, PEVB_SWITCH_RND },
66 	{ GP2X_BTN_L,     IN_BINDTYPE_EMU, PEVB_STATE_SAVE },
67 	{ GP2X_BTN_R,     IN_BINDTYPE_EMU, PEVB_STATE_LOAD },
68 	{ GP2X_BTN_VOL_DOWN, IN_BINDTYPE_EMU, PEVB_VOL_DOWN },
69 	{ GP2X_BTN_VOL_UP,   IN_BINDTYPE_EMU, PEVB_VOL_UP },
70 	{ GP2X_BTN_SELECT,   IN_BINDTYPE_EMU, PEVB_MENU },
71 	{ 0, 0, 0 }
72 };
73 
74 static const struct menu_keymap key_pbtn_map[] =
75 {
76 	{ KEY_UP,	PBTN_UP },
77 	{ KEY_DOWN,	PBTN_DOWN },
78 	{ KEY_LEFT,	PBTN_LEFT },
79 	{ KEY_RIGHT,	PBTN_RIGHT },
80 	/* Caanoo */
81 	{ BTN_THUMB2,	PBTN_MOK },
82 	{ BTN_THUMB,	PBTN_MBACK },
83 	{ BTN_TRIGGER,	PBTN_MA2 },
84 	{ BTN_TOP,	PBTN_MA3 },
85 	{ BTN_BASE,	PBTN_MENU },
86 	{ BTN_TOP2,	PBTN_L },
87 	{ BTN_PINKIE,	PBTN_R },
88 	/* "normal" keyboards */
89 	{ KEY_ENTER,	PBTN_MOK },
90 	{ KEY_ESC,	PBTN_MBACK },
91 	{ KEY_SEMICOLON,  PBTN_MA2 },
92 	{ KEY_APOSTROPHE, PBTN_MA3 },
93 	{ KEY_BACKSLASH,  PBTN_MENU },
94 	{ KEY_LEFTBRACE,  PBTN_L },
95 	{ KEY_RIGHTBRACE, PBTN_R },
96 };
97 
98 static const struct in_pdata gp2x_evdev_pdata = {
99 	.defbinds = in_evdev_defbinds,
100 	.key_map = key_pbtn_map,
101 	.kmap_size = sizeof(key_pbtn_map) / sizeof(key_pbtn_map[0]),
102 };
103 
gp2x_video_changemode(int bpp,int is_pal)104 void gp2x_video_changemode(int bpp, int is_pal)
105 {
106 	gp2x_video_changemode_ll(bpp, is_pal);
107 
108 	gp2x_current_bpp = bpp < 0 ? -bpp : bpp;
109 }
110 
gp2x_memcpy_buffers(int buffers,void * data,int offset,int len)111 static void gp2x_memcpy_buffers(int buffers, void *data, int offset, int len)
112 {
113 	char *dst;
114 	if (buffers & (1<<0)) { dst = (char *)gp2x_screens[0] + offset; if (dst != data) memcpy(dst, data, len); }
115 	if (buffers & (1<<1)) { dst = (char *)gp2x_screens[1] + offset; if (dst != data) memcpy(dst, data, len); }
116 	if (buffers & (1<<2)) { dst = (char *)gp2x_screens[2] + offset; if (dst != data) memcpy(dst, data, len); }
117 	if (buffers & (1<<3)) { dst = (char *)gp2x_screens[3] + offset; if (dst != data) memcpy(dst, data, len); }
118 }
119 
gp2x_memcpy_all_buffers(void * data,int offset,int len)120 void gp2x_memcpy_all_buffers(void *data, int offset, int len)
121 {
122 	gp2x_memcpy_buffers(0xf, data, offset, len);
123 }
124 
gp2x_memset_all_buffers(int offset,int byte,int len)125 void gp2x_memset_all_buffers(int offset, int byte, int len)
126 {
127 	memset((char *)gp2x_screens[0] + offset, byte, len);
128 	memset((char *)gp2x_screens[1] + offset, byte, len);
129 	memset((char *)gp2x_screens[2] + offset, byte, len);
130 	memset((char *)gp2x_screens[3] + offset, byte, len);
131 }
132 
gp2x_make_fb_bufferable(int yes)133 void gp2x_make_fb_bufferable(int yes)
134 {
135 	int ret = 0;
136 
137 	yes = yes ? 1 : 0;
138 	ret |= warm_change_cb_range(WCB_B_BIT, yes, gp2x_screens[0], 320*240*2);
139 	ret |= warm_change_cb_range(WCB_B_BIT, yes, gp2x_screens[1], 320*240*2);
140 	ret |= warm_change_cb_range(WCB_B_BIT, yes, gp2x_screens[2], 320*240*2);
141 	ret |= warm_change_cb_range(WCB_B_BIT, yes, gp2x_screens[3], 320*240*2);
142 
143 	if (ret)
144 		fprintf(stderr, "could not make fb buferable.\n");
145 	else
146 		printf("made fb buferable.\n");
147 }
148 
149 /* common */
plat_video_menu_enter(int is_rom_loaded)150 void plat_video_menu_enter(int is_rom_loaded)
151 {
152 	if (gp2x_current_bpp != 16 || gp2x_dev_id == GP2X_DEV_WIZ) {
153 		/* try to switch nicely avoiding glitches */
154 		gp2x_video_wait_vsync();
155 		memset(gp2x_screens[0], 0, 320*240*2);
156 		memset(gp2x_screens[1], 0, 320*240*2);
157 		gp2x_video_flip2(); // might flip to fb2/3
158 		gp2x_video_flip2(); // ..so we do it again
159 	}
160 	else
161 		gp2x_video_flip2();
162 
163 	// switch to 16bpp
164 	gp2x_video_changemode_ll(16, 0);
165 	gp2x_video_RGB_setscaling(0, 320, 240);
166 }
167 
plat_video_menu_begin(void)168 void plat_video_menu_begin(void)
169 {
170 	g_menuscreen_ptr = g_screen_ptr;
171 }
172 
plat_video_menu_end(void)173 void plat_video_menu_end(void)
174 {
175 	gp2x_video_flip2();
176 }
177 
plat_video_menu_leave(void)178 void plat_video_menu_leave(void)
179 {
180 }
181 
plat_mem_get_for_drc(size_t size)182 void *plat_mem_get_for_drc(size_t size)
183 {
184 	return NULL;
185 }
186 
plat_early_init(void)187 void plat_early_init(void)
188 {
189 	// just use gettimeofday until plat_init()
190 	gp2x_get_ticks_ms = plat_get_ticks_ms_good;
191 	gp2x_get_ticks_us = plat_get_ticks_us_good;
192 }
193 
plat_init(void)194 void plat_init(void)
195 {
196 	warm_init();
197 
198 	switch (gp2x_dev_id) {
199 	case GP2X_DEV_GP2X:
200 		sharedmem940_init();
201 		vid_mmsp2_init();
202 		break;
203 	case GP2X_DEV_WIZ:
204 	case GP2X_DEV_CAANOO:
205 		vid_pollux_init();
206 		break;
207 	}
208 
209 	g_menuscreen_w = 320;
210 	g_menuscreen_h = 240;
211 	g_menuscreen_pp = g_menuscreen_w;
212 	gp2x_memset_all_buffers(0, 0, 320*240*2);
213 
214 	gp2x_make_fb_bufferable(1);
215 
216 	// use buffer2 for menubg to save mem (using only buffers 0, 1 in menu)
217 	g_menubg_ptr = gp2x_screens[2];
218 
219 	flip_after_sync = 1;
220 	gp2x_menu_init();
221 
222 	in_evdev_init(&gp2x_evdev_pdata);
223 	in_gp2x_init(in_gp2x_defbinds);
224 	in_probe();
225 	plat_target_setup_input();
226 }
227 
plat_finish(void)228 void plat_finish(void)
229 {
230 	warm_finish();
231 
232 	switch (gp2x_dev_id) {
233 	case GP2X_DEV_GP2X:
234 		sharedmem940_finish();
235 		vid_mmsp2_finish();
236 		break;
237 	case GP2X_DEV_WIZ:
238 	case GP2X_DEV_CAANOO:
239 		vid_pollux_finish();
240 		break;
241 	}
242 }
243