[picodrive.git] / platform / pandora / plat.c

/*\r
 * PicoDrive\r
 * (C) notaz, 2010,2011\r
 *\r
 * This work is licensed under the terms of MAME license.\r
 * See COPYING file in the top-level directory.\r
 */\r
\r
#include <stdio.h>\r
#include <unistd.h>\r
#include <sys/types.h>\r
#include <sys/stat.h>\r
#include <fcntl.h>\r
#include <sys/ioctl.h>\r
#include <unistd.h>\r
#include <linux/fb.h>\r
#include <linux/omapfb.h>\r
#include <linux/input.h>\r
\r
#include "../common/emu.h"\r
#include "../common/arm_utils.h"\r
#include "../common/input_pico.h"\r
#include "../common/version.h"\r
#include "../libpicofe/input.h"\r
#include "../libpicofe/menu.h"\r
#include "../libpicofe/plat.h"\r
#include "../libpicofe/linux/in_evdev.h"\r
#include "../libpicofe/linux/sndout_oss.h"\r
#include "../libpicofe/linux/fbdev.h"\r
#include "../libpicofe/linux/xenv.h"\r
#include "plat.h"\r
#include "asm_utils.h"\r
\r
#include <pico/pico_int.h>\r
\r
static struct vout_fbdev *main_fb, *layer_fb;\r
// g_layer_* - in use, g_layer_c* - configured custom\r
int g_layer_cx, g_layer_cy, g_layer_cw, g_layer_ch;\r
static int g_layer_x, g_layer_y;\r
static int g_layer_w = 320, g_layer_h = 240;\r
static int g_osd_fps_x, g_osd_y, doing_bg_frame;\r
\r
static const char pnd_script_base[] = "sudo -n /usr/pandora/scripts";\r
static unsigned char __attribute__((aligned(4))) fb_copy[320 * 240 * 2];\r
static void *temp_frame;\r
const char *renderer_names[] = { NULL };\r
const char *renderer_names32x[] = { NULL };\r
\r
static const char * const pandora_gpio_keys[KEY_MAX + 1] = {\r
	[0 ... KEY_MAX] = NULL,\r
	[KEY_UP]	= "Up",\r
	[KEY_LEFT]	= "Left",\r
	[KEY_RIGHT]	= "Right",\r
	[KEY_DOWN]	= "Down",\r
	[KEY_HOME]	= "A",\r
	[KEY_PAGEDOWN]	= "X",\r
	[KEY_END]	= "B",\r
	[KEY_PAGEUP]	= "Y",\r
	[KEY_RIGHTSHIFT]= "L",\r
	[KEY_RIGHTCTRL]	= "R",\r
	[KEY_LEFTALT]	= "Start",\r
	[KEY_LEFTCTRL]	= "Select",\r
	[KEY_MENU]	= "Pandora",\r
};\r
\r
static struct in_default_bind in_evdev_defbinds[] =\r
{\r
	{ KEY_UP,	IN_BINDTYPE_PLAYER12, GBTN_UP },\r
	{ KEY_DOWN,	IN_BINDTYPE_PLAYER12, GBTN_DOWN },\r
	{ KEY_LEFT,	IN_BINDTYPE_PLAYER12, GBTN_LEFT },\r
	{ KEY_RIGHT,	IN_BINDTYPE_PLAYER12, GBTN_RIGHT },\r
	{ KEY_A,	IN_BINDTYPE_PLAYER12, GBTN_A },\r
	{ KEY_S,	IN_BINDTYPE_PLAYER12, GBTN_B },\r
	{ KEY_D,	IN_BINDTYPE_PLAYER12, GBTN_C },\r
	{ KEY_ENTER,	IN_BINDTYPE_PLAYER12, GBTN_START },\r
	{ KEY_BACKSLASH, IN_BINDTYPE_EMU, PEVB_MENU },\r
	{ KEY_SPACE,	IN_BINDTYPE_EMU, PEVB_MENU },\r
	/* Pandora */\r
	{ KEY_HOME,	IN_BINDTYPE_PLAYER12, GBTN_A },\r
	{ KEY_PAGEDOWN,	IN_BINDTYPE_PLAYER12, GBTN_B },\r
	{ KEY_END,	IN_BINDTYPE_PLAYER12, GBTN_C },\r
	{ KEY_LEFTALT,	IN_BINDTYPE_PLAYER12, GBTN_START },\r
	{ KEY_RIGHTSHIFT,IN_BINDTYPE_EMU, PEVB_STATE_SAVE },\r
	{ KEY_RIGHTCTRL, IN_BINDTYPE_EMU, PEVB_STATE_LOAD },\r
	{ KEY_LEFTCTRL,	 IN_BINDTYPE_EMU, PEVB_MENU },\r
	{ 0, 0, 0 }\r
};\r
\r
void pemu_prep_defconfig(void)\r
{\r
	defaultConfig.EmuOpt |= EOPT_VSYNC|EOPT_16BPP;\r
	defaultConfig.s_PicoOpt |= POPT_EN_MCD_GFX|POPT_EN_MCD_PSYNC;\r
	defaultConfig.scaling = SCALE_2x2_3x2;\r
}\r
\r
void pemu_validate_config(void)\r
{\r
	currentConfig.CPUclock = plat_target_cpu_clock_get();\r
}\r
\r
static void osd_text(int x, int y, const char *text)\r
{\r
	int len = strlen(text)*8;\r
	int i, h;\r
\r
	len++;\r
	for (h = 0; h < 8; h++) {\r
		unsigned short *p;\r
		p = (unsigned short *)g_screen_ptr + x + g_screen_width*(y + h);\r
		for (i = len; i; i--, p++)\r
			*p = (*p>>2) & 0x39e7;\r
	}\r
	emu_text_out16(x, y, text);\r
}\r
\r
static void draw_cd_leds(void)\r
{\r
	int old_reg;\r
	old_reg = Pico_mcd->s68k_regs[0];\r
\r
	if (0) {\r
		// 8-bit modes\r
		unsigned int col_g = (old_reg & 2) ? 0xc0c0c0c0 : 0xe0e0e0e0;\r
		unsigned int col_r = (old_reg & 1) ? 0xd0d0d0d0 : 0xe0e0e0e0;\r
		*(unsigned int *)((char *)g_screen_ptr + g_screen_width*2+ 4) =\r
		*(unsigned int *)((char *)g_screen_ptr + g_screen_width*3+ 4) =\r
		*(unsigned int *)((char *)g_screen_ptr + g_screen_width*4+ 4) = col_g;\r
		*(unsigned int *)((char *)g_screen_ptr + g_screen_width*2+12) =\r
		*(unsigned int *)((char *)g_screen_ptr + g_screen_width*3+12) =\r
		*(unsigned int *)((char *)g_screen_ptr + g_screen_width*4+12) = col_r;\r
	} else {\r
		// 16-bit modes\r
		unsigned int *p = (unsigned int *)((short *)g_screen_ptr + g_screen_width*2+4);\r
		unsigned int col_g = (old_reg & 2) ? 0x06000600 : 0;\r
		unsigned int col_r = (old_reg & 1) ? 0xc000c000 : 0;\r
		*p++ = col_g; *p++ = col_g; p+=2; *p++ = col_r; *p++ = col_r; p += g_screen_width/2 - 12/2;\r
		*p++ = col_g; *p++ = col_g; p+=2; *p++ = col_r; *p++ = col_r; p += g_screen_width/2 - 12/2;\r
		*p++ = col_g; *p++ = col_g; p+=2; *p++ = col_r; *p++ = col_r;\r
	}\r
}\r
\r
void pemu_finalize_frame(const char *fps, const char *notice)\r
{\r
	if (notice && notice[0])\r
		osd_text(2, g_osd_y, notice);\r
	if (fps && fps[0] && (currentConfig.EmuOpt & EOPT_SHOW_FPS))\r
		osd_text(g_osd_fps_x, g_osd_y, fps);\r
	if ((PicoAHW & PAHW_MCD) && (currentConfig.EmuOpt & EOPT_EN_CD_LEDS))\r
		draw_cd_leds();\r
}\r
\r
void plat_video_flip(void)\r
{\r
	g_screen_ptr = vout_fbdev_flip(layer_fb);\r
	PicoDrawSetOutBuf(g_screen_ptr, g_screen_width * 2);\r
\r
	// XXX: drain OS event queue here, maybe we'll actually use it someday..\r
	xenv_update(NULL, NULL, NULL, NULL);\r
}\r
\r
void plat_video_toggle_renderer(int change, int is_menu)\r
{\r
}\r
\r
void plat_video_menu_enter(int is_rom_loaded)\r
{\r
}\r
\r
void plat_video_menu_begin(void)\r
{\r
}\r
\r
void plat_video_menu_end(void)\r
{\r
	g_menuscreen_ptr = vout_fbdev_flip(main_fb);\r
}\r
\r
void plat_video_menu_leave(void)\r
{\r
}\r
\r
void plat_video_wait_vsync(void)\r
{\r
	vout_fbdev_wait_vsync(main_fb);\r
}\r
\r
void plat_status_msg_clear(void)\r
{\r
	vout_fbdev_clear_lines(layer_fb, g_osd_y, 8);\r
}\r
\r
void plat_status_msg_busy_next(const char *msg)\r
{\r
	plat_status_msg_clear();\r
	pemu_finalize_frame("", msg);\r
	plat_video_flip();\r
	emu_status_msg("");\r
	reset_timing = 1;\r
}\r
\r
void plat_status_msg_busy_first(const char *msg)\r
{\r
	plat_status_msg_busy_next(msg);\r
}\r
\r
void plat_update_volume(int has_changed, int is_up)\r
{\r
}\r
\r
void pemu_forced_frame(int no_scale, int do_emu)\r
{\r
	doing_bg_frame = 1;\r
	emu_cmn_forced_frame(no_scale, do_emu);\r
	doing_bg_frame = 0;\r
\r
	// making a copy because enabling the layer clears it's mem\r
	memcpy((void *)fb_copy, g_screen_ptr, sizeof(fb_copy));\r
	g_menubg_src_ptr = fb_copy;\r
}\r
\r
void pemu_sound_start(void)\r
{\r
	emu_sound_start();\r
}\r
\r
void plat_debug_cat(char *str)\r
{\r
}\r
\r
static int pnd_setup_layer_(int fd, int enabled, int x, int y, int w, int h)\r
{\r
	struct omapfb_plane_info pi;\r
	struct omapfb_mem_info mi;\r
	int ret;\r
\r
	ret = ioctl(fd, OMAPFB_QUERY_PLANE, &pi);\r
	if (ret != 0) {\r
		perror("QUERY_PLANE");\r
		return -1;\r
	}\r
\r
	ret = ioctl(fd, OMAPFB_QUERY_MEM, &mi);\r
	if (ret != 0) {\r
		perror("QUERY_MEM");\r
		return -1;\r
	}\r
\r
	/* must disable when changing stuff */\r
	if (pi.enabled) {\r
		pi.enabled = 0;\r
		ret = ioctl(fd, OMAPFB_SETUP_PLANE, &pi);\r
		if (ret != 0)\r
			perror("SETUP_PLANE");\r
	}\r
\r
	mi.size = 320*240*2*4;\r
	ret = ioctl(fd, OMAPFB_SETUP_MEM, &mi);\r
	if (ret != 0) {\r
		perror("SETUP_MEM");\r
		return -1;\r
	}\r
\r
	pi.pos_x = x;\r
	pi.pos_y = y;\r
	pi.out_width = w;\r
	pi.out_height = h;\r
	pi.enabled = enabled;\r
\r
	ret = ioctl(fd, OMAPFB_SETUP_PLANE, &pi);\r
	if (ret != 0) {\r
		perror("SETUP_PLANE");\r
		return -1;\r
	}\r
\r
	return 0;\r
}\r
\r
int pnd_setup_layer(int enabled, int x, int y, int w, int h)\r
{\r
	return pnd_setup_layer_(vout_fbdev_get_fd(layer_fb), enabled, x, y, w, h);\r
}\r
\r
void pnd_restore_layer_data(void)\r
{\r
	short *t = (short *)fb_copy + 320*240 / 2 + 160;\r
\r
	// right now this is used by menu, which wants to preview something\r
	// so try to get something on the layer.\r
	if ((t[0] | t[5] | t[13]) == 0)\r
		memset32((void *)fb_copy, 0x07000700, sizeof(fb_copy) / 4);\r
\r
	memcpy(g_screen_ptr, (void *)fb_copy, 320*240*2);\r
	plat_video_flip();\r
}\r
\r
void emu_video_mode_change(int start_line, int line_count, int is_32cols)\r
{\r
	int fb_w = 320, fb_h = 240, fb_left = 0, fb_right = 0, fb_top = 0, fb_bottom = 0;\r
\r
	if (doing_bg_frame)\r
		return;\r
\r
	if (is_32cols) {\r
		fb_w = 256;\r
		fb_left = fb_right = 32;\r
	}\r
\r
	switch (currentConfig.scaling) {\r
	case SCALE_1x1:\r
		g_layer_w = fb_w;\r
		g_layer_h = fb_h;\r
		break;\r
	case SCALE_2x2_3x2:\r
		g_layer_w = fb_w * (is_32cols ? 3 : 2);\r
		g_layer_h = fb_h * 2;\r
		break;\r
	case SCALE_2x2_2x2:\r
		g_layer_w = fb_w * 2;\r
		g_layer_h = fb_h * 2;\r
		break;\r
	case SCALE_FULLSCREEN:\r
		g_layer_w = 800;\r
		g_layer_h = 480;\r
		break;\r
	case SCALE_CUSTOM:\r
		g_layer_x = g_layer_cx;\r
		g_layer_y = g_layer_cy;\r
		g_layer_w = g_layer_cw;\r
		g_layer_h = g_layer_ch;\r
		break;\r
	}\r
\r
	if (currentConfig.scaling != SCALE_CUSTOM) {\r
		// center the layer\r
		g_layer_x = 800 / 2 - g_layer_w / 2;\r
		g_layer_y = 480 / 2 - g_layer_h / 2;\r
	}\r
\r
	switch (currentConfig.scaling) {\r
	case SCALE_FULLSCREEN:\r
	case SCALE_CUSTOM:\r
		fb_top = start_line;\r
		fb_h = line_count;\r
		break;\r
	}\r
	g_osd_fps_x = is_32cols ? 232 : 264;\r
	g_osd_y = fb_top + fb_h - 8;\r
\r
	pnd_setup_layer(1, g_layer_x, g_layer_y, g_layer_w, g_layer_h);\r
	vout_fbdev_clear(layer_fb);\r
	vout_fbdev_resize(layer_fb, fb_w, fb_h, 16, fb_left, fb_right, fb_top, fb_bottom, 3);\r
	plat_video_flip();\r
\r
	PicoDrawSetOutFormat(PDF_RGB555, 0);\r
}\r
\r
void plat_video_loop_prepare(void)\r
{\r
	// make sure there is no junk left behind the layer\r
	memset(g_menuscreen_ptr, 0, g_menuscreen_w * g_menuscreen_h * 2);\r
	g_menuscreen_ptr = vout_fbdev_flip(main_fb);\r
\r
	// emu_video_mode_change will call pnd_setup_layer()\r
}\r
\r
void pemu_loop_prep(void)\r
{\r
	// dirty buffers better go now than during gameplay\r
	sync();\r
	sleep(0);\r
}\r
\r
void pemu_loop_end(void)\r
{\r
	/* do one more frame for menu bg */\r
	pemu_forced_frame(0, 1);\r
\r
	pnd_setup_layer(0, g_layer_x, g_layer_y, g_layer_w, g_layer_h);\r
}\r
\r
void plat_wait_till_us(unsigned int us_to)\r
{\r
	unsigned int now;\r
	signed int diff;\r
\r
	now = plat_get_ticks_us();\r
\r
	// XXX: need to check NOHZ\r
	diff = (signed int)(us_to - now);\r
	if (diff > 10000) {\r
		//printf("sleep %d\n", us_to - now);\r
		usleep(diff * 15 / 16);\r
		now = plat_get_ticks_us();\r
		//printf(" wake %d\n", (signed)(us_to - now));\r
	}\r
/*\r
	while ((signed int)(us_to - now) > 512) {\r
		spend_cycles(1024);\r
		now = plat_get_ticks_us();\r
	}\r
*/\r
}\r
\r
void plat_early_init(void)\r
{\r
}\r
\r
void plat_init(void)\r
{\r
	const char *main_fb_name, *layer_fb_name;\r
	int fd, ret, w, h;\r
\r
	main_fb_name = getenv("FBDEV_MAIN");\r
	if (main_fb_name == NULL)\r
		main_fb_name = "/dev/fb0";\r
\r
	layer_fb_name = getenv("FBDEV_LAYER");\r
	if (layer_fb_name == NULL)\r
		layer_fb_name = "/dev/fb1";\r
\r
	// must set the layer up first to be able to use it\r
	fd = open(layer_fb_name, O_RDWR);\r
	if (fd == -1) {\r
		fprintf(stderr, "%s: ", layer_fb_name);\r
		perror("open");\r
		exit(1);\r
	}\r
\r
	ret = pnd_setup_layer_(fd, 0, g_layer_x, g_layer_y, g_layer_w, g_layer_h);\r
	close(fd);\r
	if (ret != 0) {\r
		fprintf(stderr, "failed to set up layer, exiting.\n");\r
		exit(1);\r
	}\r
\r
	xenv_init(NULL, "PicoDrive " VERSION);\r
\r
	w = h = 0;\r
	main_fb = vout_fbdev_init(main_fb_name, &w, &h, 16, 2);\r
	if (main_fb == NULL) {\r
		fprintf(stderr, "couldn't init fb: %s\n", main_fb_name);\r
		exit(1);\r
	}\r
\r
	g_menuscreen_w = w;\r
	g_menuscreen_h = h;\r
	g_menuscreen_ptr = vout_fbdev_flip(main_fb);\r
\r
	w = 320; h = 240;\r
	layer_fb = vout_fbdev_init(layer_fb_name, &w, &h, 16, 3);\r
	if (layer_fb == NULL) {\r
		fprintf(stderr, "couldn't init fb: %s\n", layer_fb_name);\r
		goto fail0;\r
	}\r
\r
	if (w != g_screen_width || h != g_screen_height) {\r
		fprintf(stderr, "%dx%d not supported on %s\n", w, h, layer_fb_name);\r
		goto fail1;\r
	}\r
	g_screen_ptr = vout_fbdev_flip(layer_fb);\r
\r
	temp_frame = calloc(g_menuscreen_w * g_menuscreen_h * 2, 1);\r
	if (temp_frame == NULL) {\r
		fprintf(stderr, "OOM\n");\r
		goto fail1;\r
	}\r
	g_menubg_ptr = temp_frame;\r
	g_menubg_src_ptr = temp_frame;\r
\r
	pnd_menu_init();\r
\r
	in_evdev_init(in_evdev_defbinds);\r
	in_probe();\r
	plat_target_setup_input();\r
\r
	sndout_oss_frag_frames = 2;\r
\r
	return;\r
\r
fail1:\r
	vout_fbdev_finish(layer_fb);\r
fail0:\r
	vout_fbdev_finish(main_fb);\r
	exit(1);\r
}\r
\r
void plat_finish(void)\r
{\r
	vout_fbdev_finish(main_fb);\r
	xenv_finish();\r
\r
	printf("all done\n");\r
}\r
\r
Commit	Line	Data
cff531af	1	/*\r
	2	* PicoDrive\r
	3	* (C) notaz, 2010,2011\r
	4	*\r
	5	* This work is licensed under the terms of MAME license.\r
	6	* See COPYING file in the top-level directory.\r
	7	*/\r
c7eb229a	8	\r
	9	#include <stdio.h>\r
	10	#include <unistd.h>\r
c7eb229a	11	#include <sys/types.h>\r
	12	#include <sys/stat.h>\r
	13	#include <fcntl.h>\r
	14	#include <sys/ioctl.h>\r
	15	#include <unistd.h>\r
	16	#include <linux/fb.h>\r
	17	#include <linux/omapfb.h>\r
d4d62665	18	#include <linux/input.h>\r
c7eb229a	19	\r
c7eb229a	20	#include "../common/emu.h"\r
c7eb229a	21	#include "../common/arm_utils.h"\r
d4d62665	22	#include "../common/input_pico.h"\r
	23	#include "../common/version.h"\r
	24	#include "../libpicofe/input.h"\r
	25	#include "../libpicofe/menu.h"\r
	26	#include "../libpicofe/plat.h"\r
	27	#include "../libpicofe/linux/in_evdev.h"\r
	28	#include "../libpicofe/linux/sndout_oss.h"\r
	29	#include "../libpicofe/linux/fbdev.h"\r
	30	#include "../libpicofe/linux/xenv.h"\r
c7eb229a	31	#include "plat.h"\r
c7eb229a	32	#include "asm_utils.h"\r
c7eb229a	33	\r
	34	#include <pico/pico_int.h>\r
	35	\r
c7eb229a	36	static struct vout_fbdev main_fb, layer_fb;\r
21ebcfd3	37	// g_layer_* - in use, g_layer_c* - configured custom\r
21ebcfd3	38	int g_layer_cx, g_layer_cy, g_layer_cw, g_layer_ch;\r
c7eb229a	39	static int g_layer_x, g_layer_y;\r
c7eb229a	40	static int g_layer_w = 320, g_layer_h = 240;\r
d40231e2	41	static int g_osd_fps_x, g_osd_y, doing_bg_frame;\r
c7eb229a	42	\r
c7eb229a	43	static const char pnd_script_base[] = "sudo -n /usr/pandora/scripts";\r
d4d62665	44	static unsigned char __attribute__((aligned(4))) fb_copy[320 * 240 * 2];\r
d40231e2	45	static void *temp_frame;\r
c7eb229a	46	const char *renderer_names[] = { NULL };\r
c7eb229a	47	const char *renderer_names32x[] = { NULL };\r
c7eb229a	48	\r
45285368	49	static const char * const pandora_gpio_keys[KEY_MAX + 1] = {\r
	50	[0 ... KEY_MAX] = NULL,\r
	51	[KEY_UP] = "Up",\r
	52	[KEY_LEFT] = "Left",\r
	53	[KEY_RIGHT] = "Right",\r
	54	[KEY_DOWN] = "Down",\r
	55	[KEY_HOME] = "A",\r
	56	[KEY_PAGEDOWN] = "X",\r
	57	[KEY_END] = "B",\r
	58	[KEY_PAGEUP] = "Y",\r
	59	[KEY_RIGHTSHIFT]= "L",\r
	60	[KEY_RIGHTCTRL] = "R",\r
	61	[KEY_LEFTALT] = "Start",\r
	62	[KEY_LEFTCTRL] = "Select",\r
	63	[KEY_MENU] = "Pandora",\r
	64	};\r
	65	\r
d4d62665	66	static struct in_default_bind in_evdev_defbinds[] =\r
	67	{\r
	68	{ KEY_UP, IN_BINDTYPE_PLAYER12, GBTN_UP },\r
	69	{ KEY_DOWN, IN_BINDTYPE_PLAYER12, GBTN_DOWN },\r
	70	{ KEY_LEFT, IN_BINDTYPE_PLAYER12, GBTN_LEFT },\r
	71	{ KEY_RIGHT, IN_BINDTYPE_PLAYER12, GBTN_RIGHT },\r
	72	{ KEY_A, IN_BINDTYPE_PLAYER12, GBTN_A },\r
	73	{ KEY_S, IN_BINDTYPE_PLAYER12, GBTN_B },\r
	74	{ KEY_D, IN_BINDTYPE_PLAYER12, GBTN_C },\r
	75	{ KEY_ENTER, IN_BINDTYPE_PLAYER12, GBTN_START },\r
21ebcfd3	76	{ KEY_BACKSLASH, IN_BINDTYPE_EMU, PEVB_MENU },\r
	77	{ KEY_SPACE, IN_BINDTYPE_EMU, PEVB_MENU },\r
	78	/* Pandora */\r
d4d62665	79	{ KEY_HOME, IN_BINDTYPE_PLAYER12, GBTN_A },\r
	80	{ KEY_PAGEDOWN, IN_BINDTYPE_PLAYER12, GBTN_B },\r
	81	{ KEY_END, IN_BINDTYPE_PLAYER12, GBTN_C },\r
	82	{ KEY_LEFTALT, IN_BINDTYPE_PLAYER12, GBTN_START },\r
21ebcfd3	83	{ KEY_RIGHTSHIFT,IN_BINDTYPE_EMU, PEVB_STATE_SAVE },\r
	84	{ KEY_RIGHTCTRL, IN_BINDTYPE_EMU, PEVB_STATE_LOAD },\r
	85	{ KEY_LEFTCTRL, IN_BINDTYPE_EMU, PEVB_MENU },\r
	86	{ 0, 0, 0 }\r
	87	};\r
	88	\r
c7eb229a	89	void pemu_prep_defconfig(void)\r
	90	{\r
	91	defaultConfig.EmuOpt \|= EOPT_VSYNC\|EOPT_16BPP;\r
	92	defaultConfig.s_PicoOpt \|= POPT_EN_MCD_GFX\|POPT_EN_MCD_PSYNC;\r
	93	defaultConfig.scaling = SCALE_2x2_3x2;\r
	94	}\r
	95	\r
	96	void pemu_validate_config(void)\r
	97	{\r
d4d62665	98	currentConfig.CPUclock = plat_target_cpu_clock_get();\r
c7eb229a	99	}\r
	100	\r
	101	static void osd_text(int x, int y, const char *text)\r
	102	{\r
	103	int len = strlen(text)*8;\r
	104	int i, h;\r
	105	\r
	106	len++;\r
	107	for (h = 0; h < 8; h++) {\r
	108	unsigned short *p;\r
	109	p = (unsigned short )g_screen_ptr + x + g_screen_width(y + h);\r
	110	for (i = len; i; i--, p++)\r
	111	p = (p>>2) & 0x39e7;\r
	112	}\r
	113	emu_text_out16(x, y, text);\r
	114	}\r
	115	\r
	116	static void draw_cd_leds(void)\r
	117	{\r
	118	int old_reg;\r
	119	old_reg = Pico_mcd->s68k_regs[0];\r
	120	\r
	121	if (0) {\r
	122	// 8-bit modes\r
	123	unsigned int col_g = (old_reg & 2) ? 0xc0c0c0c0 : 0xe0e0e0e0;\r
	124	unsigned int col_r = (old_reg & 1) ? 0xd0d0d0d0 : 0xe0e0e0e0;\r
	125	(unsigned int )((char )g_screen_ptr + g_screen_width2+ 4) =\r
	126	(unsigned int )((char )g_screen_ptr + g_screen_width3+ 4) =\r
	127	(unsigned int )((char )g_screen_ptr + g_screen_width4+ 4) = col_g;\r
	128	(unsigned int )((char )g_screen_ptr + g_screen_width2+12) =\r
	129	(unsigned int )((char )g_screen_ptr + g_screen_width3+12) =\r
	130	(unsigned int )((char )g_screen_ptr + g_screen_width4+12) = col_r;\r
	131	} else {\r
	132	// 16-bit modes\r
	133	unsigned int p = (unsigned int )((short )g_screen_ptr + g_screen_width2+4);\r
	134	unsigned int col_g = (old_reg & 2) ? 0x06000600 : 0;\r
	135	unsigned int col_r = (old_reg & 1) ? 0xc000c000 : 0;\r
	136	p++ = col_g; p++ = col_g; p+=2; p++ = col_r; p++ = col_r; p += g_screen_width/2 - 12/2;\r
	137	p++ = col_g; p++ = col_g; p+=2; p++ = col_r; p++ = col_r; p += g_screen_width/2 - 12/2;\r
	138	p++ = col_g; p++ = col_g; p+=2; p++ = col_r; p++ = col_r;\r
	139	}\r
	140	}\r
	141	\r
c7eb229a	142	void pemu_finalize_frame(const char fps, const char notice)\r
c7eb229a	143	{\r
bf61bea0	144	if (notice && notice[0])\r
	145	osd_text(2, g_osd_y, notice);\r
	146	if (fps && fps[0] && (currentConfig.EmuOpt & EOPT_SHOW_FPS))\r
	147	osd_text(g_osd_fps_x, g_osd_y, fps);\r
c7eb229a	148	if ((PicoAHW & PAHW_MCD) && (currentConfig.EmuOpt & EOPT_EN_CD_LEDS))\r
	149	draw_cd_leds();\r
	150	}\r
	151	\r
	152	void plat_video_flip(void)\r
	153	{\r
	154	g_screen_ptr = vout_fbdev_flip(layer_fb);\r
41946d70	155	PicoDrawSetOutBuf(g_screen_ptr, g_screen_width * 2);\r
10ef62e3	156	\r
10ef62e3	157	// XXX: drain OS event queue here, maybe we'll actually use it someday..\r
d4d62665	158	xenv_update(NULL, NULL, NULL, NULL);\r
c7eb229a	159	}\r
	160	\r
	161	void plat_video_toggle_renderer(int change, int is_menu)\r
	162	{\r
	163	}\r
	164	\r
	165	void plat_video_menu_enter(int is_rom_loaded)\r
	166	{\r
	167	}\r
	168	\r
	169	void plat_video_menu_begin(void)\r
	170	{\r
c7eb229a	171	}\r
	172	\r
	173	void plat_video_menu_end(void)\r
	174	{\r
	175	g_menuscreen_ptr = vout_fbdev_flip(main_fb);\r
	176	}\r
	177	\r
d4d62665	178	void plat_video_menu_leave(void)\r
	179	{\r
	180	}\r
	181	\r
c7eb229a	182	void plat_video_wait_vsync(void)\r
	183	{\r
	184	vout_fbdev_wait_vsync(main_fb);\r
	185	}\r
	186	\r
	187	void plat_status_msg_clear(void)\r
	188	{\r
7c18e34a	189	vout_fbdev_clear_lines(layer_fb, g_osd_y, 8);\r
c7eb229a	190	}\r
	191	\r
	192	void plat_status_msg_busy_next(const char *msg)\r
	193	{\r
	194	plat_status_msg_clear();\r
	195	pemu_finalize_frame("", msg);\r
	196	plat_video_flip();\r
	197	emu_status_msg("");\r
	198	reset_timing = 1;\r
	199	}\r
	200	\r
	201	void plat_status_msg_busy_first(const char *msg)\r
	202	{\r
	203	plat_status_msg_busy_next(msg);\r
	204	}\r
	205	\r
	206	void plat_update_volume(int has_changed, int is_up)\r
	207	{\r
45285368	208	}\r
c7eb229a	209	\r
45285368	210	void pemu_forced_frame(int no_scale, int do_emu)\r
45285368	211	{\r
d40231e2	212	doing_bg_frame = 1;\r
a4edca53	213	emu_cmn_forced_frame(no_scale, do_emu);\r
d40231e2	214	doing_bg_frame = 0;\r
45285368	215	\r
45285368	216	// making a copy because enabling the layer clears it's mem\r
d4d62665	217	memcpy((void *)fb_copy, g_screen_ptr, sizeof(fb_copy));\r
d4d62665	218	g_menubg_src_ptr = fb_copy;\r
c7eb229a	219	}\r
	220	\r
	221	void pemu_sound_start(void)\r
	222	{\r
d4d62665	223	emu_sound_start();\r
c7eb229a	224	}\r
	225	\r
	226	void plat_debug_cat(char *str)\r
	227	{\r
	228	}\r
	229	\r
	230	static int pnd_setup_layer_(int fd, int enabled, int x, int y, int w, int h)\r
	231	{\r
	232	struct omapfb_plane_info pi;\r
	233	struct omapfb_mem_info mi;\r
	234	int ret;\r
	235	\r
	236	ret = ioctl(fd, OMAPFB_QUERY_PLANE, &pi);\r
	237	if (ret != 0) {\r
	238	perror("QUERY_PLANE");\r
	239	return -1;\r
	240	}\r
	241	\r
	242	ret = ioctl(fd, OMAPFB_QUERY_MEM, &mi);\r
	243	if (ret != 0) {\r
	244	perror("QUERY_MEM");\r
	245	return -1;\r
	246	}\r
	247	\r
	248	/* must disable when changing stuff */\r
	249	if (pi.enabled) {\r
	250	pi.enabled = 0;\r
	251	ret = ioctl(fd, OMAPFB_SETUP_PLANE, &pi);\r
	252	if (ret != 0)\r
	253	perror("SETUP_PLANE");\r
	254	}\r
	255	\r
	256	mi.size = 3202402*4;\r
	257	ret = ioctl(fd, OMAPFB_SETUP_MEM, &mi);\r
	258	if (ret != 0) {\r
	259	perror("SETUP_MEM");\r
	260	return -1;\r
	261	}\r
	262	\r
	263	pi.pos_x = x;\r
	264	pi.pos_y = y;\r
	265	pi.out_width = w;\r
	266	pi.out_height = h;\r
	267	pi.enabled = enabled;\r
	268	\r
	269	ret = ioctl(fd, OMAPFB_SETUP_PLANE, &pi);\r
	270	if (ret != 0) {\r
	271	perror("SETUP_PLANE");\r
	272	return -1;\r
	273	}\r
	274	\r
	275	return 0;\r
	276	}\r
	277	\r
	278	int pnd_setup_layer(int enabled, int x, int y, int w, int h)\r
	279	{\r
	280	return pnd_setup_layer_(vout_fbdev_get_fd(layer_fb), enabled, x, y, w, h);\r
	281	}\r
	282	\r
	283	void pnd_restore_layer_data(void)\r
	284	{\r
739e1043	285	short t = (short )fb_copy + 320*240 / 2 + 160;\r
c7eb229a	286	\r
	287	// right now this is used by menu, which wants to preview something\r
	288	// so try to get something on the layer.\r
	289	if ((t[0] \| t[5] \| t[13]) == 0)\r
	290	memset32((void *)fb_copy, 0x07000700, sizeof(fb_copy) / 4);\r
	291	\r
d4d62665	292	memcpy(g_screen_ptr, (void )fb_copy, 320240*2);\r
c7eb229a	293	plat_video_flip();\r
	294	}\r
	295	\r
c7eb229a	296	void emu_video_mode_change(int start_line, int line_count, int is_32cols)\r
	297	{\r
	298	int fb_w = 320, fb_h = 240, fb_left = 0, fb_right = 0, fb_top = 0, fb_bottom = 0;\r
	299	\r
d40231e2	300	if (doing_bg_frame)\r
	301	return;\r
	302	\r
c7eb229a	303	if (is_32cols) {\r
	304	fb_w = 256;\r
	305	fb_left = fb_right = 32;\r
	306	}\r
	307	\r
	308	switch (currentConfig.scaling) {\r
	309	case SCALE_1x1:\r
	310	g_layer_w = fb_w;\r
	311	g_layer_h = fb_h;\r
	312	break;\r
	313	case SCALE_2x2_3x2:\r
	314	g_layer_w = fb_w * (is_32cols ? 3 : 2);\r
	315	g_layer_h = fb_h * 2;\r
	316	break;\r
	317	case SCALE_2x2_2x2:\r
	318	g_layer_w = fb_w * 2;\r
	319	g_layer_h = fb_h * 2;\r
	320	break;\r
	321	case SCALE_FULLSCREEN:\r
	322	g_layer_w = 800;\r
	323	g_layer_h = 480;\r
	324	break;\r
	325	case SCALE_CUSTOM:\r
	326	g_layer_x = g_layer_cx;\r
	327	g_layer_y = g_layer_cy;\r
	328	g_layer_w = g_layer_cw;\r
	329	g_layer_h = g_layer_ch;\r
	330	break;\r
	331	}\r
	332	\r
	333	if (currentConfig.scaling != SCALE_CUSTOM) {\r
	334	// center the layer\r
	335	g_layer_x = 800 / 2 - g_layer_w / 2;\r
	336	g_layer_y = 480 / 2 - g_layer_h / 2;\r
	337	}\r
	338	\r
	339	switch (currentConfig.scaling) {\r
	340	case SCALE_FULLSCREEN:\r
	341	case SCALE_CUSTOM:\r
	342	fb_top = start_line;\r
	343	fb_h = line_count;\r
	344	break;\r
	345	}\r
	346	g_osd_fps_x = is_32cols ? 232 : 264;\r
	347	g_osd_y = fb_top + fb_h - 8;\r
	348	\r
	349	pnd_setup_layer(1, g_layer_x, g_layer_y, g_layer_w, g_layer_h);\r
c7eb229a	350	vout_fbdev_clear(layer_fb);\r
21ebcfd3	351	vout_fbdev_resize(layer_fb, fb_w, fb_h, 16, fb_left, fb_right, fb_top, fb_bottom, 3);\r
bf61bea0	352	plat_video_flip();\r
b7d64dbd	353	\r
b7d64dbd	354	PicoDrawSetOutFormat(PDF_RGB555, 0);\r
c7eb229a	355	}\r
c7eb229a	356	\r
d4d62665	357	void plat_video_loop_prepare(void)\r
c7eb229a	358	{\r
c7eb229a	359	// make sure there is no junk left behind the layer\r
d4d62665	360	memset(g_menuscreen_ptr, 0, g_menuscreen_w * g_menuscreen_h * 2);\r
c7eb229a	361	g_menuscreen_ptr = vout_fbdev_flip(main_fb);\r
	362	\r
	363	// emu_video_mode_change will call pnd_setup_layer()\r
d4d62665	364	}\r
c7eb229a	365	\r
d4d62665	366	void pemu_loop_prep(void)\r
d4d62665	367	{\r
c7eb229a	368	// dirty buffers better go now than during gameplay\r
	369	sync();\r
	370	sleep(0);\r
c7eb229a	371	}\r
	372	\r
	373	void pemu_loop_end(void)\r
	374	{\r
c7eb229a	375	/* do one more frame for menu bg */\r
45285368	376	pemu_forced_frame(0, 1);\r
c7eb229a	377	\r
c7eb229a	378	pnd_setup_layer(0, g_layer_x, g_layer_y, g_layer_w, g_layer_h);\r
c7eb229a	379	}\r
	380	\r
	381	void plat_wait_till_us(unsigned int us_to)\r
	382	{\r
	383	unsigned int now;\r
	384	signed int diff;\r
	385	\r
	386	now = plat_get_ticks_us();\r
	387	\r
	388	// XXX: need to check NOHZ\r
	389	diff = (signed int)(us_to - now);\r
	390	if (diff > 10000) {\r
	391	//printf("sleep %d\n", us_to - now);\r
	392	usleep(diff * 15 / 16);\r
	393	now = plat_get_ticks_us();\r
	394	//printf(" wake %d\n", (signed)(us_to - now));\r
	395	}\r
	396	/*\r
	397	while ((signed int)(us_to - now) > 512) {\r
	398	spend_cycles(1024);\r
	399	now = plat_get_ticks_us();\r
	400	}\r
	401	*/\r
	402	}\r
	403	\r
c7eb229a	404	void plat_early_init(void)\r
	405	{\r
	406	}\r
	407	\r
	408	void plat_init(void)\r
	409	{\r
	410	const char main_fb_name, layer_fb_name;\r
	411	int fd, ret, w, h;\r
	412	\r
	413	main_fb_name = getenv("FBDEV_MAIN");\r
	414	if (main_fb_name == NULL)\r
	415	main_fb_name = "/dev/fb0";\r
	416	\r
	417	layer_fb_name = getenv("FBDEV_LAYER");\r
	418	if (layer_fb_name == NULL)\r
	419	layer_fb_name = "/dev/fb1";\r
	420	\r
	421	// must set the layer up first to be able to use it\r
	422	fd = open(layer_fb_name, O_RDWR);\r
	423	if (fd == -1) {\r
	424	fprintf(stderr, "%s: ", layer_fb_name);\r
	425	perror("open");\r
	426	exit(1);\r
	427	}\r
	428	\r
	429	ret = pnd_setup_layer_(fd, 0, g_layer_x, g_layer_y, g_layer_w, g_layer_h);\r
	430	close(fd);\r
	431	if (ret != 0) {\r
	432	fprintf(stderr, "failed to set up layer, exiting.\n");\r
	433	exit(1);\r
	434	}\r
	435	\r
d4d62665	436	xenv_init(NULL, "PicoDrive " VERSION);\r
c7eb229a	437	\r
c7eb229a	438	w = h = 0;\r
21ebcfd3	439	main_fb = vout_fbdev_init(main_fb_name, &w, &h, 16, 2);\r
c7eb229a	440	if (main_fb == NULL) {\r
	441	fprintf(stderr, "couldn't init fb: %s\n", main_fb_name);\r
	442	exit(1);\r
	443	}\r
	444	\r
d40231e2	445	g_menuscreen_w = w;\r
d40231e2	446	g_menuscreen_h = h;\r
c7eb229a	447	g_menuscreen_ptr = vout_fbdev_flip(main_fb);\r
	448	\r
	449	w = 320; h = 240;\r
21ebcfd3	450	layer_fb = vout_fbdev_init(layer_fb_name, &w, &h, 16, 3);\r
c7eb229a	451	if (layer_fb == NULL) {\r
	452	fprintf(stderr, "couldn't init fb: %s\n", layer_fb_name);\r
	453	goto fail0;\r
	454	}\r
	455	\r
	456	if (w != g_screen_width \|\| h != g_screen_height) {\r
	457	fprintf(stderr, "%dx%d not supported on %s\n", w, h, layer_fb_name);\r
	458	goto fail1;\r
	459	}\r
	460	g_screen_ptr = vout_fbdev_flip(layer_fb);\r
	461	\r
d40231e2	462	temp_frame = calloc(g_menuscreen_w * g_menuscreen_h * 2, 1);\r
	463	if (temp_frame == NULL) {\r
	464	fprintf(stderr, "OOM\n");\r
	465	goto fail1;\r
	466	}\r
c7eb229a	467	g_menubg_ptr = temp_frame;\r
	468	g_menubg_src_ptr = temp_frame;\r
	469	\r
c7eb229a	470	pnd_menu_init();\r
45285368	471	\r
d4d62665	472	in_evdev_init(in_evdev_defbinds);\r
	473	in_probe();\r
	474	plat_target_setup_input();\r
	475	\r
	476	sndout_oss_frag_frames = 2;\r
	477	\r
c7eb229a	478	return;\r
	479	\r
	480	fail1:\r
	481	vout_fbdev_finish(layer_fb);\r
	482	fail0:\r
	483	vout_fbdev_finish(main_fb);\r
	484	exit(1);\r
	485	}\r
	486	\r
	487	void plat_finish(void)\r
	488	{\r
c7eb229a	489	vout_fbdev_finish(main_fb);\r
10ef62e3	490	xenv_finish();\r
c7eb229a	491	\r
	492	printf("all done\n");\r
	493	}\r
	494	\r