aboutsummaryrefslogtreecommitdiff
path: root/frontend/plat_omap.c
blob: 6cc4eaa716193e4026776b555763326a17660222 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
/*
 * (C) notaz, 2010
 *
 * This work is licensed under the terms of the GNU GPLv2 or later.
 * See the COPYING file in the top-level directory.
 */

#include <stdio.h>
#include <stdlib.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <sys/ioctl.h>
#include <unistd.h>
#include <linux/omapfb.h>

#include "common/menu.h"
#include "linux/fbdev.h"
#include "linux/oshide.h"
#include "plugin_lib.h"
#include "pl_gun_ts.h"
#include "omap.h"
#include "pandora.h"


static struct vout_fbdev *main_fb;
int g_layer_x = 80, g_layer_y = 0;
int g_layer_w = 640, g_layer_h = 480;

struct vout_fbdev *layer_fb;

static int omap_setup_layer_(int fd, int enabled, int x, int y, int w, int h)
{
	struct omapfb_plane_info pi = { 0, };
	struct omapfb_mem_info mi = { 0, };
	int ret;

	ret = ioctl(fd, OMAPFB_QUERY_PLANE, &pi);
	if (ret != 0) {
		perror("QUERY_PLANE");
		return -1;
	}

	ret = ioctl(fd, OMAPFB_QUERY_MEM, &mi);
	if (ret != 0) {
		perror("QUERY_MEM");
		return -1;
	}

	/* must disable when changing stuff */
	if (pi.enabled) {
		pi.enabled = 0;
		ret = ioctl(fd, OMAPFB_SETUP_PLANE, &pi);
		if (ret != 0)
			perror("SETUP_PLANE");
	}

	if (mi.size < 640*512*3*3) {
		mi.size = 640*512*3*3;
		ret = ioctl(fd, OMAPFB_SETUP_MEM, &mi);
		if (ret != 0) {
			perror("SETUP_MEM");
			return -1;
		}
	}

	pi.pos_x = x;
	pi.pos_y = y;
	pi.out_width = w;
	pi.out_height = h;
	pi.enabled = enabled;

	ret = ioctl(fd, OMAPFB_SETUP_PLANE, &pi);
	if (ret != 0) {
		perror("SETUP_PLANE");
		return -1;
	}

	return 0;
}

int omap_enable_layer(int enabled)
{
	if (enabled)
		pl_set_gun_rect(g_layer_x, g_layer_y, g_layer_w, g_layer_h);

	return omap_setup_layer_(vout_fbdev_get_fd(layer_fb), enabled,
		g_layer_x, g_layer_y, g_layer_w, g_layer_h);
}

void plat_video_menu_enter(int is_rom_loaded)
{
	g_menuscreen_ptr = vout_fbdev_resize(main_fb,
		g_menuscreen_w, g_menuscreen_h, 16, 0, 0, 0, 0, 3);
	if (g_menuscreen_ptr == NULL)
		fprintf(stderr, "warning: vout_fbdev_resize failed\n");
}

void plat_video_menu_begin(void)
{
}

void plat_video_menu_end(void)
{
	g_menuscreen_ptr = vout_fbdev_flip(main_fb);
}

void plat_video_menu_leave(void)
{
	/* have to get rid of panning so that plugins that
	 * use fb0 and don't ever pan can work. */
	vout_fbdev_clear(main_fb);
	g_menuscreen_ptr = vout_fbdev_resize(main_fb,
		g_menuscreen_w, g_menuscreen_h, 16, 0, 0, 0, 0, 1);
	if (g_menuscreen_ptr == NULL)
		fprintf(stderr, "warning: vout_fbdev_resize failed\n");
}

void plat_init(void)
{
	const char *main_fb_name, *layer_fb_name;
	void *temp_frame;
	int fd, ret, w, h;

	main_fb_name = getenv("FBDEV_MAIN");
	if (main_fb_name == NULL)
		main_fb_name = "/dev/fb0";

	layer_fb_name = getenv("FBDEV_LAYER");
	if (layer_fb_name == NULL)
		layer_fb_name = "/dev/fb1";

	// must set the layer up first to be able to use it
	fd = open(layer_fb_name, O_RDWR);
	if (fd == -1) {
		fprintf(stderr, "%s: ", layer_fb_name);
		perror("open");
		exit(1);
	}

	ret = omap_setup_layer_(fd, 0, g_layer_x, g_layer_y, g_layer_w, g_layer_h);
	close(fd);
	if (ret != 0) {
		fprintf(stderr, "failed to set up layer, exiting.\n");
		exit(1);
	}

	oshide_init();

	w = h = 0;
	main_fb = vout_fbdev_init(main_fb_name, &w, &h, 16, 2);
	if (main_fb == NULL) {
		fprintf(stderr, "couldn't init fb: %s\n", main_fb_name);
		exit(1);
	}

	g_menuscreen_w = w;
	g_menuscreen_h = h;
	g_menuscreen_ptr = vout_fbdev_flip(main_fb);

	w = 640;
	h = 512; // ??
	layer_fb = vout_fbdev_init(layer_fb_name, &w, &h, 16, 3);
	if (layer_fb == NULL) {
		fprintf(stderr, "couldn't init fb: %s\n", layer_fb_name);
		goto fail0;
	}

	temp_frame = calloc(g_menuscreen_w * g_menuscreen_h * 2, 1);
	if (temp_frame == NULL) {
		fprintf(stderr, "OOM\n");
		goto fail1;
	}
	g_menubg_ptr = temp_frame;

	// hmh
	pandora_rescan_inputs();

	return;

fail1:
	vout_fbdev_finish(layer_fb);
fail0:
	vout_fbdev_finish(main_fb);
	exit(1);

}

void plat_finish(void)
{
	omap_enable_layer(0);
	vout_fbdev_finish(layer_fb);
	vout_fbdev_finish(main_fb);
	oshide_finish();
}