[pcsx_rearmed.git] / frontend / plat_pollux.c

/*
 * (C) Gražvydas "notaz" Ignotas, 2009-2011
 *
 * 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 <string.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <sys/ioctl.h>
#include <unistd.h>
#include <linux/fb.h>
#include <sys/mman.h>
#include <linux/soundcard.h>

#include "common/input.h"
#include "gp2x/in_gp2x.h"
#include "common/menu.h"
#include "warm/warm.h"
#include "plugin_lib.h"
#include "pl_gun_ts.h"
#include "cspace.h"
#include "blit320.h"
#include "in_tsbutton.h"
#include "main.h"
#include "menu.h"
#include "plat.h"
#include "pcnt.h"

int gp2x_dev_id;

static int fbdev = -1, memdev = -1, battdev = -1, mixerdev = -1;
static volatile unsigned short *memregs;
static volatile unsigned int   *memregl;
static void *fb_vaddrs[2];
static unsigned int fb_paddrs[2];
static int fb_work_buf;
static int cpu_clock_allowed, have_warm;
static unsigned int saved_video_regs[2][6];
#define FB_VRAM_SIZE (320*240*2*2*2) // 2 buffers with space for 24bpp mode

static unsigned short *psx_vram;
static unsigned int psx_vram_padds[512];
static int psx_step, psx_width, psx_height, psx_bpp;
static int psx_offset_x, psx_offset_y;
static int fb_offset_x, fb_offset_y;

// TODO: get rid of this
struct vout_fbdev;
struct vout_fbdev *layer_fb;
int g_layer_x, g_layer_y, g_layer_w, g_layer_h;

int omap_enable_layer(int enabled)
{
	return 0;
}

static void *fb_flip(void)
{
	memregl[0x406C>>2] = memregl[0x446C>>2] = fb_paddrs[fb_work_buf];
	memregl[0x4058>>2] |= 0x10;
	memregl[0x4458>>2] |= 0x10;
	fb_work_buf ^= 1;
	return fb_vaddrs[fb_work_buf];
}

static void pollux_changemode(int bpp, int is_bgr)
{
	int code = 0, bytes = 2;
	unsigned int r;

	printf("changemode: %dbpp %s\n", bpp, is_bgr ? "bgr" : "rgb");

	memregl[0x4004>>2] = 0x00ef013f;
	memregl[0x4000>>2] |= 1 << 3;

	switch (bpp)
	{
		case 8:
			code = 0x443a;
			bytes = 1;
			break;
		case 16:
			code = is_bgr ? 0xc342 : 0x4432;
			bytes = 2;
			break;
		case 24:
			code = is_bgr ? 0xc653 : 0x4653;
			bytes = 3;
			break;
		default:
			printf("unhandled bpp request: %d\n", bpp);
			return;
	}

	// program both MLCs so that TV-out works
	memregl[0x405c>>2] = memregl[0x445c>>2] = bytes;
	memregl[0x4060>>2] = memregl[0x4460>>2] = 320 * bytes;

	r = memregl[0x4058>>2];
	r = (r & 0xffff) | (code << 16) | 0x10;
	memregl[0x4058>>2] = r;

	r = memregl[0x4458>>2];
	r = (r & 0xffff) | (code << 16) | 0x10;
	memregl[0x4458>>2] = r;
}

/* note: both PLLs are programmed the same way,
 * the databook incorrectly states that PLL1 differs */
static int decode_pll(unsigned int reg)
{
	long long v;
	int p, m, s;

	p = (reg >> 18) & 0x3f;
	m = (reg >> 8) & 0x3ff;
	s = reg & 0xff;

	if (p == 0)
		p = 1;

	v = 27000000; // master clock
	v = v * m / (p << s);
	return v;
}

int plat_cpu_clock_get(void)
{
	return decode_pll(memregl[0xf004>>2]) / 1000000;
}

int plat_cpu_clock_apply(int mhz)
{
	int adiv, mdiv, pdiv, sdiv = 0;
	int i, vf000, vf004;

	if (!cpu_clock_allowed)
		return -1;
	if (mhz == plat_cpu_clock_get())
		return 0;

	// m = MDIV, p = PDIV, s = SDIV
	#define SYS_CLK_FREQ 27
	pdiv = 9;
	mdiv = (mhz * pdiv) / SYS_CLK_FREQ;
	if (mdiv & ~0x3ff)
		return -1;
	vf004 = (pdiv<<18) | (mdiv<<8) | sdiv;

	// attempt to keep the AHB divider close to 250, but not higher
	for (adiv = 1; mhz / adiv > 250; adiv++)
		;

	vf000 = memregl[0xf000>>2];
	vf000 = (vf000 & ~0x3c0) | ((adiv - 1) << 6);
	memregl[0xf000>>2] = vf000;
	memregl[0xf004>>2] = vf004;
	memregl[0xf07c>>2] |= 0x8000;
	for (i = 0; (memregl[0xf07c>>2] & 0x8000) && i < 0x100000; i++)
		;

	printf("clock set to %dMHz, AHB set to %dMHz\n", mhz, mhz / adiv);

	// stupid pll share hack - must restart audio
	extern long SPUopen(void);
	extern long SPUclose(void);
	SPUclose();
	SPUopen();

	return 0;
}

int plat_get_bat_capacity(void)
{
	unsigned short magic_val = 0;

	if (battdev < 0)
		return -1;
	if (read(battdev, &magic_val, sizeof(magic_val)) != sizeof(magic_val))
		return -1;
	switch (magic_val) {
	default:
	case 1:	return 100;
	case 2: return 66;
	case 3: return 40;
	case 4: return 0;
	}
}

#define TIMER_BASE3 0x1980
#define TIMER_REG(x) memregl[(TIMER_BASE3 + x) >> 2]

static __attribute__((unused)) unsigned int timer_get(void)
{
	TIMER_REG(0x08) |= 0x48;  /* run timer, latch value */
	return TIMER_REG(0);
}

static void timer_cleanup(void)
{
	TIMER_REG(0x40) = 0x0c;	/* be sure clocks are on */
	TIMER_REG(0x08) = 0x23;	/* stop the timer, clear irq in case it's pending */
	TIMER_REG(0x00) = 0;	/* clear counter */
	TIMER_REG(0x40) = 0;	/* clocks off */
	TIMER_REG(0x44) = 0;	/* dividers back to default */
}

void plat_video_menu_enter(int is_rom_loaded)
{
	if (pl_vout_buf != NULL) {
		if (psx_bpp == 16)
			// have to do rgb conversion for menu bg
			bgr555_to_rgb565(pl_vout_buf, pl_vout_buf, 320*240*2);
		else
			memset(pl_vout_buf, 0, 320*240*2);
	}

	pollux_changemode(16, 0);
}

void plat_video_menu_begin(void)
{
}

void plat_video_menu_end(void)
{
	g_menuscreen_ptr = fb_flip();
}

void plat_video_menu_leave(void)
{
	if (psx_vram == NULL) {
		fprintf(stderr, "GPU plugin did not provide vram\n");
		exit(1);
	}

	if (gp2x_dev_id == GP2X_DEV_CAANOO)
		in_set_config_int(in_name_to_id("evdev:pollux-analog"),
			IN_CFG_ABS_DEAD_ZONE, analog_deadzone);

	memset(g_menuscreen_ptr, 0, 320*240 * psx_bpp/8);
	g_menuscreen_ptr = fb_flip();
	memset(g_menuscreen_ptr, 0, 320*240 * psx_bpp/8);

	pollux_changemode(psx_bpp, 1);
}

void *plat_prepare_screenshot(int *w, int *h, int *bpp)
{
	bgr555_to_rgb565(pl_vout_buf, pl_vout_buf, 320*240*2);
	*w = 320;
	*h = 240;
	*bpp = psx_bpp;
	return pl_vout_buf;
}

static void pl_vout_set_raw_vram(void *vram)
{
	int i;

	psx_vram = vram;

	if (vram == NULL)
		return;

	if ((long)psx_vram & 0x7ff)
		fprintf(stderr, "GPU plugin did not align vram\n");

	for (i = 0; i < 512; i++) {
		psx_vram[i * 1024] = 0; // touch
		psx_vram_padds[i] = warm_virt2phys(&psx_vram[i * 1024]);
	}
}

static void spend_cycles(int loops)
{
	asm volatile (
		"   mov  r0,%0    ;\n"
		"0: subs r0,r0,#1 ;\n"
		"   bgt  0b"
		:: "r" (loops) : "cc", "r0");
}

#define DMA_BASE6 0x0300
#define DMA_REG(x) memregl[(DMA_BASE6 + x) >> 2]

/* this takes ~1.5ms, while ldm/stm ~1.95ms */
static void raw_flip_dma(int x, int y)
{
	unsigned int dst = fb_paddrs[fb_work_buf] +
			(fb_offset_y * 320 + fb_offset_x) * psx_bpp / 8;
	int spsx_line = y + psx_offset_y;
	int spsx_offset = (x + psx_offset_x) & 0x3f8;
	int dst_stride = 320 * psx_bpp / 8;
	int len = psx_width * psx_bpp / 8;
	int i;

	warm_cache_op_all(WOP_D_CLEAN);
	pcnt_start(PCNT_BLIT);

	dst &= ~7;
	len &= ~7;

	if (DMA_REG(0x0c) & 0x90000) {
		printf("already runnig DMA?\n");
		DMA_REG(0x0c) = 0x100000;
	}
	if ((DMA_REG(0x2c) & 0x0f) < 5) {
		printf("DMA queue busy?\n");
		DMA_REG(0x24) = 1;
	}

	for (i = psx_height; i > 0; i--, spsx_line += psx_step, dst += dst_stride) {
		while ((DMA_REG(0x2c) & 0x0f) < 4)
			spend_cycles(10);

		// XXX: it seems we must always set all regs, what is autoincrement there for?
		DMA_REG(0x20) = 1;		// queue wait cmd
		DMA_REG(0x10) = psx_vram_padds[spsx_line & 511] + spsx_offset * 2; // DMA src
		DMA_REG(0x14) = dst;		// DMA dst
		DMA_REG(0x18) = len - 1;	// len
		DMA_REG(0x1c) = 0x80000;	// go
	}

	if (psx_bpp == 16) {
		pl_vout_buf = g_menuscreen_ptr;
		pl_print_hud(320, fb_offset_y + psx_height, fb_offset_x);
	}

	g_menuscreen_ptr = fb_flip();
	pl_flip_cnt++;

	pcnt_end(PCNT_BLIT);
}

#define make_flip_func(name, blitfunc)                                                  \
static void name(int x, int y)                                                          \
{                                                                                       \
        unsigned short *vram = psx_vram;                                                \
        unsigned char *dst = (unsigned char *)g_menuscreen_ptr +                        \
                        (fb_offset_y * 320 + fb_offset_x) * psx_bpp / 8;                \
        unsigned int src = (y + psx_offset_y) * 1024 + x + psx_offset_x;                \
        int dst_stride = 320 * psx_bpp / 8;                                             \
        int len = psx_width * psx_bpp / 8;                                              \
        int i;                                                                          \
                                                                                        \
        pcnt_start(PCNT_BLIT);                                                          \
                                                                                        \
        for (i = psx_height; i > 0; i--, src += psx_step * 1024, dst += dst_stride) {   \
                src &= 1024*512-1;                                                      \
                blitfunc(dst, vram + src, len);                                         \
        }                                                                               \
                                                                                        \
        if (psx_bpp == 16) {                                                            \
                pl_vout_buf = g_menuscreen_ptr;                                         \
                pl_print_hud(320, fb_offset_y + psx_height, fb_offset_x);               \
        }                                                                               \
                                                                                        \
        g_menuscreen_ptr = fb_flip();                                                   \
        pl_flip_cnt++;                                                                  \
                                                                                        \
        pcnt_end(PCNT_BLIT);                                                            \
}

make_flip_func(raw_flip_soft, memcpy)
make_flip_func(raw_flip_soft_368, blit320_368)
make_flip_func(raw_flip_soft_512, blit320_512)
make_flip_func(raw_flip_soft_640, blit320_640)

static void *pl_vout_set_mode(int w, int h, int bpp)
{
	static int old_w, old_h, old_bpp;
	int poff_w, poff_h, w_max;

	if (!w || !h || !bpp || (w == old_w && h == old_h && bpp == old_bpp))
		return NULL;

	printf("psx mode: %dx%d@%d\n", w, h, bpp);

	switch (w + (bpp != 16)) {
	case 640:
		pl_rearmed_cbs.pl_vout_raw_flip = raw_flip_soft_640;
		w_max = 640;
		break;
	case 512:
		pl_rearmed_cbs.pl_vout_raw_flip = raw_flip_soft_512;
		w_max = 512;
		break;
	case 384:
	case 368:
		pl_rearmed_cbs.pl_vout_raw_flip = raw_flip_soft_368;
		w_max = 368;
		break;
	default:
		pl_rearmed_cbs.pl_vout_raw_flip = have_warm ? raw_flip_dma : raw_flip_soft;
		w_max = 320;
		break;
	}

	psx_step = 1;
	if (h > 256) {
		psx_step = 2;
		h /= 2;
	}

	poff_w = poff_h = 0;
	if (w > w_max) {
		poff_w = w / 2 - w_max / 2;
		w = w_max;
	}
	fb_offset_x = 0;
	if (w < 320)
		fb_offset_x = 320/2 - w / 2;
	if (h > 240) {
		poff_h = h / 2 - 240/2;
		h = 240;
	}
	fb_offset_y = 240/2 - h / 2;

	psx_offset_x = poff_w;
	psx_offset_y = poff_h;
	psx_width = w;
	psx_height = h;
	psx_bpp = bpp;

	if (fb_offset_x || fb_offset_y) {
		// not fullscreen, must clear borders
		memset(g_menuscreen_ptr, 0, 320*240 * psx_bpp/8);
		g_menuscreen_ptr = fb_flip();
		memset(g_menuscreen_ptr, 0, 320*240 * psx_bpp/8);
	}

	pollux_changemode(bpp, 1);

	pl_set_gun_rect(fb_offset_x, fb_offset_y, w > 320 ? 320 : w, h);

	return NULL;
}

static void *pl_vout_flip(void)
{
	return NULL;
}

static void save_multiple_regs(unsigned int *dest, int base, int count)
{
	const volatile unsigned int *regs = memregl + base / 4;
	int i;

	for (i = 0; i < count; i++)
		dest[i] = regs[i];
}

static void restore_multiple_regs(int base, const unsigned int *src, int count)
{
	volatile unsigned int *regs = memregl + base / 4;
	int i;

	for (i = 0; i < count; i++)
		regs[i] = src[i];
}

void plat_init(void)
{
	const char *main_fb_name = "/dev/fb0";
	struct fb_fix_screeninfo fbfix;
	int rate, timer_div, timer_div2;
	int fbdev, ret, warm_ret;
	FILE *f;

	memdev = open("/dev/mem", O_RDWR);
	if (memdev == -1) {
		perror("open(/dev/mem) failed");
		exit(1);
	}

	memregs	= mmap(0, 0x20000, PROT_READ|PROT_WRITE, MAP_SHARED, memdev, 0xc0000000);
	if (memregs == MAP_FAILED) {
		perror("mmap(memregs) failed");
		exit(1);
	}
	memregl = (volatile void *)memregs;

	// save video regs of both MLCs
	save_multiple_regs(saved_video_regs[0], 0x4058, ARRAY_SIZE(saved_video_regs[0]));
	save_multiple_regs(saved_video_regs[1], 0x4458, ARRAY_SIZE(saved_video_regs[1]));

	fbdev = open(main_fb_name, O_RDWR);
	if (fbdev == -1) {
		fprintf(stderr, "%s: ", main_fb_name);
		perror("open");
		exit(1);
	}

	ret = ioctl(fbdev, FBIOGET_FSCREENINFO, &fbfix);
	if (ret == -1) {
		perror("ioctl(fbdev) failed");
		exit(1);
	}
	printf("framebuffer: \"%s\" @ %08lx\n", fbfix.id, fbfix.smem_start);
	fb_paddrs[0] = fbfix.smem_start;
	fb_paddrs[1] = fb_paddrs[0] + 320*240*4; // leave space for 24bpp

	fb_vaddrs[0] = mmap(0, FB_VRAM_SIZE, PROT_READ|PROT_WRITE,
				MAP_SHARED, memdev, fb_paddrs[0]);
	if (fb_vaddrs[0] == MAP_FAILED) {
		perror("mmap(fb_vaddrs) failed");
		exit(1);
	}
	fb_vaddrs[1] = (char *)fb_vaddrs[0] + 320*240*4;

	pollux_changemode(16, 0);
	g_menuscreen_w = 320;
	g_menuscreen_h = 240;
	g_menuscreen_ptr = fb_flip();

	g_menubg_ptr = calloc(320*240*2, 1);
	if (g_menubg_ptr == NULL) {
		fprintf(stderr, "OOM\n");
		exit(1);
	}

	warm_ret = warm_init();
	have_warm = warm_ret == 0;
	warm_change_cb_upper(WCB_B_BIT, 1);

	/* some firmwares have sys clk on PLL0, we can't adjust CPU clock
	 * by reprogramming the PLL0 then, as it overclocks system bus */
	if ((memregl[0xf000>>2] & 0x03000030) == 0x01000000)
		cpu_clock_allowed = 1;
	else {
		cpu_clock_allowed = 0;
		fprintf(stderr, "unexpected PLL config (%08x), overclocking disabled\n",
			memregl[0xf000>>2]);
	}

	/* find what PLL1 runs at, for the timer */
	rate = decode_pll(memregl[0xf008>>2]);
	printf("PLL1 @ %dHz\n", rate);

	/* setup timer */
	timer_div = (rate + 500000) / 1000000;
	timer_div2 = 0;
	while (timer_div > 256) {
		timer_div /= 2;
		timer_div2++;
	}
	if (1 <= timer_div && timer_div <= 256 && timer_div2 < 4) {
		int timer_rate = (rate >> timer_div2) / timer_div;
		if (TIMER_REG(0x08) & 8) {
			fprintf(stderr, "warning: timer in use, overriding!\n");
			timer_cleanup();
		}
		if (timer_rate != 1000000)
			fprintf(stderr, "warning: timer drift %d us\n", timer_rate - 1000000);

		timer_div2 = (timer_div2 + 3) & 3;
		TIMER_REG(0x44) = ((timer_div - 1) << 4) | 2;	/* using PLL1 */
		TIMER_REG(0x40) = 0x0c;				/* clocks on */
		TIMER_REG(0x08) = 0x68 | timer_div2;		/* run timer, clear irq, latch value */
	}
	else
		fprintf(stderr, "warning: could not make use of timer\n");

	/* setup DMA */
	DMA_REG(0x0c) = 0x20000; // pending IRQ clear

	battdev = open("/dev/pollux_batt", O_RDONLY);
	if (battdev < 0)
		perror("Warning: could't open pollux_batt");

	f = fopen("/dev/accel", "rb");
	if (f) {
		printf("detected Caanoo\n");
		gp2x_dev_id = GP2X_DEV_CAANOO;
		fclose(f);
	}
	else {
		printf("detected Wiz\n");
		gp2x_dev_id = GP2X_DEV_WIZ;
		in_gp2x_init();
	}

	mixerdev = open("/dev/mixer", O_RDWR);
	if (mixerdev == -1)
		perror("open(/dev/mixer)");

	pl_rearmed_cbs.pl_vout_flip = pl_vout_flip;
	pl_rearmed_cbs.pl_vout_raw_flip = have_warm ? raw_flip_dma : raw_flip_soft;
	pl_rearmed_cbs.pl_vout_set_mode = pl_vout_set_mode;
	pl_rearmed_cbs.pl_vout_set_raw_vram = pl_vout_set_raw_vram;

	psx_width = 320;
	psx_height = 240;
	psx_bpp = 16;

	in_tsbutton_init();
}

void plat_finish(void)
{
	warm_finish();
	timer_cleanup();

	memset(fb_vaddrs[0], 0, FB_VRAM_SIZE);
	restore_multiple_regs(0x4058, saved_video_regs[0], ARRAY_SIZE(saved_video_regs[0]));
	restore_multiple_regs(0x4458, saved_video_regs[1], ARRAY_SIZE(saved_video_regs[1]));
	memregl[0x4058>>2] |= 0x10;
	memregl[0x4458>>2] |= 0x10;
	munmap(fb_vaddrs[0], FB_VRAM_SIZE);
	close(fbdev);

	if (battdev >= 0)
		close(battdev);
	if (mixerdev >= 0)
		close(mixerdev);
	munmap((void *)memregs, 0x20000);
	close(memdev);
}

void in_update_analogs(void)
{
}

/* Caanoo stuff, perhaps move later */
#include <linux/input.h>

struct in_default_bind in_evdev_defbinds[] = {
	{ KEY_UP,	IN_BINDTYPE_PLAYER12, DKEY_UP },
	{ KEY_DOWN,	IN_BINDTYPE_PLAYER12, DKEY_DOWN },
	{ KEY_LEFT,	IN_BINDTYPE_PLAYER12, DKEY_LEFT },
	{ KEY_RIGHT,	IN_BINDTYPE_PLAYER12, DKEY_RIGHT },
	{ BTN_TOP,	IN_BINDTYPE_PLAYER12, DKEY_TRIANGLE },
	{ BTN_THUMB,	IN_BINDTYPE_PLAYER12, DKEY_CROSS },
	{ BTN_THUMB2,	IN_BINDTYPE_PLAYER12, DKEY_CIRCLE },
	{ BTN_TRIGGER,	IN_BINDTYPE_PLAYER12, DKEY_SQUARE },
	{ BTN_BASE3,	IN_BINDTYPE_PLAYER12, DKEY_START },
	{ BTN_BASE4,	IN_BINDTYPE_PLAYER12, DKEY_SELECT },
	{ BTN_TOP2,	IN_BINDTYPE_PLAYER12, DKEY_L1 },
	{ BTN_PINKIE,	IN_BINDTYPE_PLAYER12, DKEY_R1 },
	{ BTN_BASE,	IN_BINDTYPE_EMU, SACTION_ENTER_MENU },
	{ 0, 0, 0 },
};

static const char * const caanoo_keys[KEY_MAX + 1] = {
	[0 ... KEY_MAX] = NULL,
	[KEY_UP]        = "Up",
	[KEY_LEFT]      = "Left",
	[KEY_RIGHT]     = "Right",
	[KEY_DOWN]      = "Down",
	[BTN_TRIGGER]   = "A",
	[BTN_THUMB]     = "X",
	[BTN_THUMB2]    = "B",
	[BTN_TOP]       = "Y",
	[BTN_TOP2]      = "L",
	[BTN_PINKIE]    = "R",
	[BTN_BASE]      = "Home",
	[BTN_BASE2]     = "Lock",
	[BTN_BASE3]     = "I",
	[BTN_BASE4]     = "II",
	[BTN_BASE5]     = "Push",
};

/* Wiz stuff */
struct in_default_bind in_gp2x_defbinds[] =
{
	/* MXYZ SACB RLDU */
	{ GP2X_BTN_UP,		IN_BINDTYPE_PLAYER12, DKEY_UP },
	{ GP2X_BTN_DOWN,	IN_BINDTYPE_PLAYER12, DKEY_DOWN },
	{ GP2X_BTN_LEFT,	IN_BINDTYPE_PLAYER12, DKEY_LEFT },
	{ GP2X_BTN_RIGHT,	IN_BINDTYPE_PLAYER12, DKEY_RIGHT },
	{ GP2X_BTN_X,		IN_BINDTYPE_PLAYER12, DKEY_CROSS },
	{ GP2X_BTN_B,		IN_BINDTYPE_PLAYER12, DKEY_CIRCLE },
	{ GP2X_BTN_A,		IN_BINDTYPE_PLAYER12, DKEY_SQUARE },
	{ GP2X_BTN_Y,		IN_BINDTYPE_PLAYER12, DKEY_TRIANGLE },
	{ GP2X_BTN_L,		IN_BINDTYPE_PLAYER12, DKEY_L1 },
	{ GP2X_BTN_R,		IN_BINDTYPE_PLAYER12, DKEY_R1 },
	{ GP2X_BTN_START,	IN_BINDTYPE_PLAYER12, DKEY_START },
	{ GP2X_BTN_SELECT,	IN_BINDTYPE_EMU, SACTION_ENTER_MENU },
	{ GP2X_BTN_VOL_UP,	IN_BINDTYPE_EMU, SACTION_VOLUME_UP },
	{ GP2X_BTN_VOL_DOWN,	IN_BINDTYPE_EMU, SACTION_VOLUME_DOWN },
	{ 0, 0, 0 },
};

void plat_step_volume(int is_up)
{
	static int volume = 50;
	int ret, val;

	if (mixerdev < 0)
		return;

	if (is_up) {
		volume += 5;
		if (volume > 255) volume = 255;
	}
	else {
		volume -= 5;
		if (volume < 0) volume = 0;
	}
	val = volume;
	val |= val << 8;

 	ret = ioctl(mixerdev, SOUND_MIXER_WRITE_PCM, &val);
	if (ret == -1)
		perror("WRITE_PCM");
}

// unused dummy for in_gp2x
volatile unsigned short *gp2x_memregs;

int plat_rescan_inputs(void)
{
	in_probe();
	if (gp2x_dev_id == GP2X_DEV_CAANOO)
		in_set_config(in_name_to_id("evdev:pollux-analog"), IN_CFG_KEY_NAMES,
			      caanoo_keys, sizeof(caanoo_keys));

	return 0;
}
Commit	Line	Data
55b0eeea	1	/*
	2	* (C) Gražvydas "notaz" Ignotas, 2009-2011
	3	*
	4	* This work is licensed under the terms of the GNU GPLv2 or later.
	5	* See the COPYING file in the top-level directory.
	6	*/
	7
	8	#include <stdio.h>
	9	#include <stdlib.h>
	10	#include <string.h>
	11	#include <sys/types.h>
	12	#include <sys/stat.h>
	13	#include <fcntl.h>
	14	#include <sys/ioctl.h>
	15	#include <unistd.h>
	16	#include <linux/fb.h>
	17	#include <sys/mman.h>
221be40d	18	#include <linux/soundcard.h>
55b0eeea	19
55b0eeea	20	#include "common/input.h"
221be40d	21	#include "gp2x/in_gp2x.h"
55b0eeea	22	#include "common/menu.h"
	23	#include "warm/warm.h"
	24	#include "plugin_lib.h"
221be40d	25	#include "pl_gun_ts.h"
55b0eeea	26	#include "cspace.h"
02ee7e24	27	#include "blit320.h"
faf2b2aa	28	#include "in_tsbutton.h"
55b0eeea	29	#include "main.h"
	30	#include "menu.h"
	31	#include "plat.h"
d3f3bf09	32	#include "pcnt.h"
55b0eeea	33
221be40d	34	int gp2x_dev_id;
	35
	36	static int fbdev = -1, memdev = -1, battdev = -1, mixerdev = -1;
55b0eeea	37	static volatile unsigned short *memregs;
	38	static volatile unsigned int *memregl;
	39	static void *fb_vaddrs[2];
	40	static unsigned int fb_paddrs[2];
	41	static int fb_work_buf;
02ee7e24	42	static int cpu_clock_allowed, have_warm;
0b6c6da8	43	static unsigned int saved_video_regs[2][6];
0b6c6da8	44	#define FB_VRAM_SIZE (320240222) // 2 buffers with space for 24bpp mode
55b0eeea	45
	46	static unsigned short *psx_vram;
	47	static unsigned int psx_vram_padds[512];
02ee7e24	48	static int psx_step, psx_width, psx_height, psx_bpp;
02ee7e24	49	static int psx_offset_x, psx_offset_y;
41f55c9f	50	static int fb_offset_x, fb_offset_y;
55b0eeea	51
	52	// TODO: get rid of this
	53	struct vout_fbdev;
	54	struct vout_fbdev *layer_fb;
	55	int g_layer_x, g_layer_y, g_layer_w, g_layer_h;
	56
	57	int omap_enable_layer(int enabled)
	58	{
	59	return 0;
	60	}
	61
	62	static void *fb_flip(void)
	63	{
0b6c6da8	64	memregl[0x406C>>2] = memregl[0x446C>>2] = fb_paddrs[fb_work_buf];
55b0eeea	65	memregl[0x4058>>2] \|= 0x10;
0b6c6da8	66	memregl[0x4458>>2] \|= 0x10;
55b0eeea	67	fb_work_buf ^= 1;
	68	return fb_vaddrs[fb_work_buf];
	69	}
	70
	71	static void pollux_changemode(int bpp, int is_bgr)
	72	{
	73	int code = 0, bytes = 2;
	74	unsigned int r;
	75
	76	printf("changemode: %dbpp %s\n", bpp, is_bgr ? "bgr" : "rgb");
	77
	78	memregl[0x4004>>2] = 0x00ef013f;
	79	memregl[0x4000>>2] \|= 1 << 3;
	80
	81	switch (bpp)
	82	{
	83	case 8:
	84	code = 0x443a;
	85	bytes = 1;
	86	break;
	87	case 16:
	88	code = is_bgr ? 0xc342 : 0x4432;
	89	bytes = 2;
	90	break;
	91	case 24:
	92	code = is_bgr ? 0xc653 : 0x4653;
	93	bytes = 3;
	94	break;
	95	default:
	96	printf("unhandled bpp request: %d\n", bpp);
	97	return;
	98	}
	99
0b6c6da8	100	// program both MLCs so that TV-out works
	101	memregl[0x405c>>2] = memregl[0x445c>>2] = bytes;
	102	memregl[0x4060>>2] = memregl[0x4460>>2] = 320 * bytes;
55b0eeea	103
	104	r = memregl[0x4058>>2];
	105	r = (r & 0xffff) \| (code << 16) \| 0x10;
	106	memregl[0x4058>>2] = r;
0b6c6da8	107
	108	r = memregl[0x4458>>2];
	109	r = (r & 0xffff) \| (code << 16) \| 0x10;
	110	memregl[0x4458>>2] = r;
55b0eeea	111	}
	112
	113	/* note: both PLLs are programmed the same way,
	114	* the databook incorrectly states that PLL1 differs */
	115	static int decode_pll(unsigned int reg)
	116	{
	117	long long v;
	118	int p, m, s;
	119
	120	p = (reg >> 18) & 0x3f;
	121	m = (reg >> 8) & 0x3ff;
	122	s = reg & 0xff;
	123
	124	if (p == 0)
	125	p = 1;
	126
	127	v = 27000000; // master clock
	128	v = v * m / (p << s);
	129	return v;
	130	}
	131
	132	int plat_cpu_clock_get(void)
	133	{
	134	return decode_pll(memregl[0xf004>>2]) / 1000000;
	135	}
	136
	137	int plat_cpu_clock_apply(int mhz)
	138	{
	139	int adiv, mdiv, pdiv, sdiv = 0;
	140	int i, vf000, vf004;
	141
	142	if (!cpu_clock_allowed)
	143	return -1;
	144	if (mhz == plat_cpu_clock_get())
	145	return 0;
	146
	147	// m = MDIV, p = PDIV, s = SDIV
	148	#define SYS_CLK_FREQ 27
	149	pdiv = 9;
	150	mdiv = (mhz * pdiv) / SYS_CLK_FREQ;
	151	if (mdiv & ~0x3ff)
	152	return -1;
	153	vf004 = (pdiv<<18) \| (mdiv<<8) \| sdiv;
	154
	155	// attempt to keep the AHB divider close to 250, but not higher
	156	for (adiv = 1; mhz / adiv > 250; adiv++)
	157	;
	158
	159	vf000 = memregl[0xf000>>2];
	160	vf000 = (vf000 & ~0x3c0) \| ((adiv - 1) << 6);
	161	memregl[0xf000>>2] = vf000;
	162	memregl[0xf004>>2] = vf004;
	163	memregl[0xf07c>>2] \|= 0x8000;
	164	for (i = 0; (memregl[0xf07c>>2] & 0x8000) && i < 0x100000; i++)
	165	;
	166
	167	printf("clock set to %dMHz, AHB set to %dMHz\n", mhz, mhz / adiv);
	168
	169	// stupid pll share hack - must restart audio
	170	extern long SPUopen(void);
	171	extern long SPUclose(void);
	172	SPUclose();
	173	SPUopen();
	174
175	return 0;
176	}
177
178	int plat_get_bat_capacity(void)
179	{
180	unsigned short magic_val = 0;
181
182	if (battdev < 0)
183	return -1;
184	if (read(battdev, &magic_val, sizeof(magic_val)) != sizeof(magic_val))
185	return -1;
186	switch (magic_val) {
187	default:
188	case 1: return 100;
189	case 2: return 66;
190	case 3: return 40;
191	case 4: return 0;
192	}
193	}
194
195	#define TIMER_BASE3 0x1980
196	#define TIMER_REG(x) memregl[(TIMER_BASE3 + x) >> 2]
197
198	static __attribute__((unused)) unsigned int timer_get(void)
199	{
200	TIMER_REG(0x08) \|= 0x48; /* run timer, latch value */
201	return TIMER_REG(0);
202	}
203
204	static void timer_cleanup(void)
205	{
206	TIMER_REG(0x40) = 0x0c; /* be sure clocks are on */
207	TIMER_REG(0x08) = 0x23; /* stop the timer, clear irq in case it's pending */
208	TIMER_REG(0x00) = 0; /* clear counter */
209	TIMER_REG(0x40) = 0; /* clocks off */
210	TIMER_REG(0x44) = 0; /* dividers back to default */
211	}
212
213	void plat_video_menu_enter(int is_rom_loaded)
214	{
215	if (pl_vout_buf != NULL) {
216	if (psx_bpp == 16)
217	// have to do rgb conversion for menu bg
218	bgr555_to_rgb565(pl_vout_buf, pl_vout_buf, 3202402);
219	else
220	memset(pl_vout_buf, 0, 3202402);
221	}
222
223	pollux_changemode(16, 0);
224	}
225
226	void plat_video_menu_begin(void)
227	{
228	}
229
230	void plat_video_menu_end(void)
231	{
232	g_menuscreen_ptr = fb_flip();
233	}
234
235	void plat_video_menu_leave(void)
236	{
55b0eeea	237	if (psx_vram == NULL) {
	238	fprintf(stderr, "GPU plugin did not provide vram\n");
	239	exit(1);
	240	}
	241
221be40d	242	if (gp2x_dev_id == GP2X_DEV_CAANOO)
221be40d	243	in_set_config_int(in_name_to_id("evdev:pollux-analog"),
55b0eeea	244	IN_CFG_ABS_DEAD_ZONE, analog_deadzone);
41f55c9f	245
	246	memset(g_menuscreen_ptr, 0, 320240 psx_bpp/8);
	247	g_menuscreen_ptr = fb_flip();
	248	memset(g_menuscreen_ptr, 0, 320240 psx_bpp/8);
	249
	250	pollux_changemode(psx_bpp, 1);
55b0eeea	251	}
55b0eeea	252
47821672	253	void plat_prepare_screenshot(int w, int h, int bpp)
	254	{
	255	bgr555_to_rgb565(pl_vout_buf, pl_vout_buf, 3202402);
	256	*w = 320;
	257	*h = 240;
	258	*bpp = psx_bpp;
	259	return pl_vout_buf;
	260	}
	261
55b0eeea	262	static void pl_vout_set_raw_vram(void *vram)
	263	{
	264	int i;
	265
	266	psx_vram = vram;
	267
	268	if (vram == NULL)
	269	return;
	270
	271	if ((long)psx_vram & 0x7ff)
	272	fprintf(stderr, "GPU plugin did not align vram\n");
	273
	274	for (i = 0; i < 512; i++) {
	275	psx_vram[i * 1024] = 0; // touch
	276	psx_vram_padds[i] = warm_virt2phys(&psx_vram[i * 1024]);
	277	}
	278	}
	279
55b0eeea	280	static void spend_cycles(int loops)
	281	{
	282	asm volatile (
	283	" mov r0,%0 ;\n"
	284	"0: subs r0,r0,#1 ;\n"
	285	" bgt 0b"
	286	:: "r" (loops) : "cc", "r0");
	287	}
	288
	289	#define DMA_BASE6 0x0300
	290	#define DMA_REG(x) memregl[(DMA_BASE6 + x) >> 2]
	291
	292	/* this takes ~1.5ms, while ldm/stm ~1.95ms */
	293	static void raw_flip_dma(int x, int y)
	294	{
41f55c9f	295	unsigned int dst = fb_paddrs[fb_work_buf] +
41f55c9f	296	(fb_offset_y * 320 + fb_offset_x) * psx_bpp / 8;
02ee7e24	297	int spsx_line = y + psx_offset_y;
02ee7e24	298	int spsx_offset = (x + psx_offset_x) & 0x3f8;
55b0eeea	299	int dst_stride = 320 * psx_bpp / 8;
55b0eeea	300	int len = psx_width * psx_bpp / 8;
55b0eeea	301	int i;
	302
	303	warm_cache_op_all(WOP_D_CLEAN);
d3f3bf09	304	pcnt_start(PCNT_BLIT);
55b0eeea	305
	306	dst &= ~7;
	307	len &= ~7;
	308
	309	if (DMA_REG(0x0c) & 0x90000) {
	310	printf("already runnig DMA?\n");
	311	DMA_REG(0x0c) = 0x100000;
	312	}
	313	if ((DMA_REG(0x2c) & 0x0f) < 5) {
	314	printf("DMA queue busy?\n");
	315	DMA_REG(0x24) = 1;
	316	}
	317
	318	for (i = psx_height; i > 0; i--, spsx_line += psx_step, dst += dst_stride) {
	319	while ((DMA_REG(0x2c) & 0x0f) < 4)
	320	spend_cycles(10);
	321
	322	// XXX: it seems we must always set all regs, what is autoincrement there for?
	323	DMA_REG(0x20) = 1; // queue wait cmd
	324	DMA_REG(0x10) = psx_vram_padds[spsx_line & 511] + spsx_offset * 2; // DMA src
	325	DMA_REG(0x14) = dst; // DMA dst
	326	DMA_REG(0x18) = len - 1; // len
	327	DMA_REG(0x1c) = 0x80000; // go
	328	}
	329
55b0eeea	330	if (psx_bpp == 16) {
55b0eeea	331	pl_vout_buf = g_menuscreen_ptr;
41f55c9f	332	pl_print_hud(320, fb_offset_y + psx_height, fb_offset_x);
55b0eeea	333	}
	334
	335	g_menuscreen_ptr = fb_flip();
	336	pl_flip_cnt++;
d3f3bf09	337
d3f3bf09	338	pcnt_end(PCNT_BLIT);
55b0eeea	339	}
55b0eeea	340
02ee7e24	341	#define make_flip_func(name, blitfunc) \
	342	static void name(int x, int y) \
	343	{ \
	344	unsigned short *vram = psx_vram; \
	345	unsigned char dst = (unsigned char )g_menuscreen_ptr + \
	346	(fb_offset_y * 320 + fb_offset_x) * psx_bpp / 8; \
	347	unsigned int src = (y + psx_offset_y) * 1024 + x + psx_offset_x; \
	348	int dst_stride = 320 * psx_bpp / 8; \
	349	int len = psx_width * psx_bpp / 8; \
	350	int i; \
	351	\
	352	pcnt_start(PCNT_BLIT); \
	353	\
	354	for (i = psx_height; i > 0; i--, src += psx_step * 1024, dst += dst_stride) { \
	355	src &= 1024*512-1; \
	356	blitfunc(dst, vram + src, len); \
	357	} \
	358	\
	359	if (psx_bpp == 16) { \
	360	pl_vout_buf = g_menuscreen_ptr; \
	361	pl_print_hud(320, fb_offset_y + psx_height, fb_offset_x); \
	362	} \
	363	\
	364	g_menuscreen_ptr = fb_flip(); \
	365	pl_flip_cnt++; \
	366	\
	367	pcnt_end(PCNT_BLIT); \
	368	}
	369
	370	make_flip_func(raw_flip_soft, memcpy)
	371	make_flip_func(raw_flip_soft_368, blit320_368)
	372	make_flip_func(raw_flip_soft_512, blit320_512)
	373	make_flip_func(raw_flip_soft_640, blit320_640)
	374
	375	static void *pl_vout_set_mode(int w, int h, int bpp)
55b0eeea	376	{
02ee7e24	377	static int old_w, old_h, old_bpp;
02ee7e24	378	int poff_w, poff_h, w_max;
55b0eeea	379
02ee7e24	380	if (!w \|\| !h \|\| !bpp \|\| (w == old_w && h == old_h && bpp == old_bpp))
02ee7e24	381	return NULL;
55b0eeea	382
02ee7e24	383	printf("psx mode: %dx%d@%d\n", w, h, bpp);
55b0eeea	384
02ee7e24	385	switch (w + (bpp != 16)) {
	386	case 640:
	387	pl_rearmed_cbs.pl_vout_raw_flip = raw_flip_soft_640;
	388	w_max = 640;
	389	break;
	390	case 512:
	391	pl_rearmed_cbs.pl_vout_raw_flip = raw_flip_soft_512;
	392	w_max = 512;
	393	break;
	394	case 384:
	395	case 368:
	396	pl_rearmed_cbs.pl_vout_raw_flip = raw_flip_soft_368;
	397	w_max = 368;
	398	break;
	399	default:
	400	pl_rearmed_cbs.pl_vout_raw_flip = have_warm ? raw_flip_dma : raw_flip_soft;
	401	w_max = 320;
	402	break;
55b0eeea	403	}
55b0eeea	404
02ee7e24	405	psx_step = 1;
	406	if (h > 256) {
	407	psx_step = 2;
	408	h /= 2;
	409	}
	410
	411	poff_w = poff_h = 0;
	412	if (w > w_max) {
	413	poff_w = w / 2 - w_max / 2;
	414	w = w_max;
	415	}
	416	fb_offset_x = 0;
	417	if (w < 320)
	418	fb_offset_x = 320/2 - w / 2;
	419	if (h > 240) {
	420	poff_h = h / 2 - 240/2;
	421	h = 240;
	422	}
	423	fb_offset_y = 240/2 - h / 2;
	424
	425	psx_offset_x = poff_w;
	426	psx_offset_y = poff_h;
	427	psx_width = w;
	428	psx_height = h;
	429	psx_bpp = bpp;
	430
	431	if (fb_offset_x \|\| fb_offset_y) {
	432	// not fullscreen, must clear borders
	433	memset(g_menuscreen_ptr, 0, 320240 psx_bpp/8);
	434	g_menuscreen_ptr = fb_flip();
	435	memset(g_menuscreen_ptr, 0, 320240 psx_bpp/8);
	436	}
	437
	438	pollux_changemode(bpp, 1);
	439
221be40d	440	pl_set_gun_rect(fb_offset_x, fb_offset_y, w > 320 ? 320 : w, h);
221be40d	441
02ee7e24	442	return NULL;
55b0eeea	443	}
55b0eeea	444
41f55c9f	445	static void *pl_vout_flip(void)
	446	{
	447	return NULL;
	448	}
	449
0b6c6da8	450	static void save_multiple_regs(unsigned int *dest, int base, int count)
	451	{
	452	const volatile unsigned int *regs = memregl + base / 4;
	453	int i;
	454
	455	for (i = 0; i < count; i++)
	456	dest[i] = regs[i];
	457	}
	458
	459	static void restore_multiple_regs(int base, const unsigned int *src, int count)
	460	{
	461	volatile unsigned int *regs = memregl + base / 4;
	462	int i;
	463
	464	for (i = 0; i < count; i++)
	465	regs[i] = src[i];
	466	}
	467
55b0eeea	468	void plat_init(void)
	469	{
	470	const char *main_fb_name = "/dev/fb0";
	471	struct fb_fix_screeninfo fbfix;
	472	int rate, timer_div, timer_div2;
	473	int fbdev, ret, warm_ret;
221be40d	474	FILE *f;
55b0eeea	475
	476	memdev = open("/dev/mem", O_RDWR);
	477	if (memdev == -1) {
	478	perror("open(/dev/mem) failed");
	479	exit(1);
	480	}
	481
	482	memregs = mmap(0, 0x20000, PROT_READ\|PROT_WRITE, MAP_SHARED, memdev, 0xc0000000);
	483	if (memregs == MAP_FAILED) {
	484	perror("mmap(memregs) failed");
	485	exit(1);
	486	}
	487	memregl = (volatile void *)memregs;
	488
0b6c6da8	489	// save video regs of both MLCs
	490	save_multiple_regs(saved_video_regs[0], 0x4058, ARRAY_SIZE(saved_video_regs[0]));
	491	save_multiple_regs(saved_video_regs[1], 0x4458, ARRAY_SIZE(saved_video_regs[1]));
	492
55b0eeea	493	fbdev = open(main_fb_name, O_RDWR);
	494	if (fbdev == -1) {
	495	fprintf(stderr, "%s: ", main_fb_name);
	496	perror("open");
	497	exit(1);
	498	}
	499
	500	ret = ioctl(fbdev, FBIOGET_FSCREENINFO, &fbfix);
	501	if (ret == -1) {
	502	perror("ioctl(fbdev) failed");
	503	exit(1);
	504	}
	505	printf("framebuffer: \"%s\" @ %08lx\n", fbfix.id, fbfix.smem_start);
	506	fb_paddrs[0] = fbfix.smem_start;
	507	fb_paddrs[1] = fb_paddrs[0] + 3202404; // leave space for 24bpp
	508
0b6c6da8	509	fb_vaddrs[0] = mmap(0, FB_VRAM_SIZE, PROT_READ\|PROT_WRITE,
55b0eeea	510	MAP_SHARED, memdev, fb_paddrs[0]);
	511	if (fb_vaddrs[0] == MAP_FAILED) {
	512	perror("mmap(fb_vaddrs) failed");
	513	exit(1);
	514	}
	515	fb_vaddrs[1] = (char )fb_vaddrs[0] + 320240*4;
	516
	517	pollux_changemode(16, 0);
	518	g_menuscreen_w = 320;
	519	g_menuscreen_h = 240;
	520	g_menuscreen_ptr = fb_flip();
	521
	522	g_menubg_ptr = calloc(3202402, 1);
	523	if (g_menubg_ptr == NULL) {
	524	fprintf(stderr, "OOM\n");
	525	exit(1);
	526	}
	527
	528	warm_ret = warm_init();
02ee7e24	529	have_warm = warm_ret == 0;
55b0eeea	530	warm_change_cb_upper(WCB_B_BIT, 1);
	531
	532	/* some firmwares have sys clk on PLL0, we can't adjust CPU clock
	533	* by reprogramming the PLL0 then, as it overclocks system bus */
	534	if ((memregl[0xf000>>2] & 0x03000030) == 0x01000000)
	535	cpu_clock_allowed = 1;
	536	else {
	537	cpu_clock_allowed = 0;
	538	fprintf(stderr, "unexpected PLL config (%08x), overclocking disabled\n",
	539	memregl[0xf000>>2]);
	540	}
	541
	542	/* find what PLL1 runs at, for the timer */
	543	rate = decode_pll(memregl[0xf008>>2]);
	544	printf("PLL1 @ %dHz\n", rate);
	545
	546	/* setup timer */
	547	timer_div = (rate + 500000) / 1000000;
	548	timer_div2 = 0;
	549	while (timer_div > 256) {
	550	timer_div /= 2;
	551	timer_div2++;
	552	}
	553	if (1 <= timer_div && timer_div <= 256 && timer_div2 < 4) {
	554	int timer_rate = (rate >> timer_div2) / timer_div;
	555	if (TIMER_REG(0x08) & 8) {
	556	fprintf(stderr, "warning: timer in use, overriding!\n");
	557	timer_cleanup();
	558	}
	559	if (timer_rate != 1000000)
	560	fprintf(stderr, "warning: timer drift %d us\n", timer_rate - 1000000);
	561
	562	timer_div2 = (timer_div2 + 3) & 3;
	563	TIMER_REG(0x44) = ((timer_div - 1) << 4) \| 2; /* using PLL1 */
	564	TIMER_REG(0x40) = 0x0c; /* clocks on */
	565	TIMER_REG(0x08) = 0x68 \| timer_div2; /* run timer, clear irq, latch value */
	566	}
	567	else
	568	fprintf(stderr, "warning: could not make use of timer\n");
	569
	570	/* setup DMA */
	571	DMA_REG(0x0c) = 0x20000; // pending IRQ clear
	572
	573	battdev = open("/dev/pollux_batt", O_RDONLY);
	574	if (battdev < 0)
	575	perror("Warning: could't open pollux_batt");
	576
221be40d	577	f = fopen("/dev/accel", "rb");
	578	if (f) {
	579	printf("detected Caanoo\n");
	580	gp2x_dev_id = GP2X_DEV_CAANOO;
	581	fclose(f);
	582	}
	583	else {
	584	printf("detected Wiz\n");
	585	gp2x_dev_id = GP2X_DEV_WIZ;
	586	in_gp2x_init();
	587	}
	588
	589	mixerdev = open("/dev/mixer", O_RDWR);
	590	if (mixerdev == -1)
	591	perror("open(/dev/mixer)");
	592
41f55c9f	593	pl_rearmed_cbs.pl_vout_flip = pl_vout_flip;
02ee7e24	594	pl_rearmed_cbs.pl_vout_raw_flip = have_warm ? raw_flip_dma : raw_flip_soft;
55b0eeea	595	pl_rearmed_cbs.pl_vout_set_mode = pl_vout_set_mode;
	596	pl_rearmed_cbs.pl_vout_set_raw_vram = pl_vout_set_raw_vram;
	597
	598	psx_width = 320;
	599	psx_height = 240;
	600	psx_bpp = 16;
faf2b2aa	601
faf2b2aa	602	in_tsbutton_init();
55b0eeea	603	}
	604
	605	void plat_finish(void)
	606	{
	607	warm_finish();
	608	timer_cleanup();
0b6c6da8	609
	610	memset(fb_vaddrs[0], 0, FB_VRAM_SIZE);
	611	restore_multiple_regs(0x4058, saved_video_regs[0], ARRAY_SIZE(saved_video_regs[0]));
	612	restore_multiple_regs(0x4458, saved_video_regs[1], ARRAY_SIZE(saved_video_regs[1]));
	613	memregl[0x4058>>2] \|= 0x10;
	614	memregl[0x4458>>2] \|= 0x10;
	615	munmap(fb_vaddrs[0], FB_VRAM_SIZE);
	616	close(fbdev);
55b0eeea	617
	618	if (battdev >= 0)
	619	close(battdev);
221be40d	620	if (mixerdev >= 0)
221be40d	621	close(mixerdev);
55b0eeea	622	munmap((void *)memregs, 0x20000);
	623	close(memdev);
	624	}
	625
	626	void in_update_analogs(void)
	627	{
	628	}
	629
	630	/* Caanoo stuff, perhaps move later */
	631	#include <linux/input.h>
	632
	633	struct in_default_bind in_evdev_defbinds[] = {
	634	{ KEY_UP, IN_BINDTYPE_PLAYER12, DKEY_UP },
	635	{ KEY_DOWN, IN_BINDTYPE_PLAYER12, DKEY_DOWN },
	636	{ KEY_LEFT, IN_BINDTYPE_PLAYER12, DKEY_LEFT },
	637	{ KEY_RIGHT, IN_BINDTYPE_PLAYER12, DKEY_RIGHT },
	638	{ BTN_TOP, IN_BINDTYPE_PLAYER12, DKEY_TRIANGLE },
	639	{ BTN_THUMB, IN_BINDTYPE_PLAYER12, DKEY_CROSS },
	640	{ BTN_THUMB2, IN_BINDTYPE_PLAYER12, DKEY_CIRCLE },
	641	{ BTN_TRIGGER, IN_BINDTYPE_PLAYER12, DKEY_SQUARE },
	642	{ BTN_BASE3, IN_BINDTYPE_PLAYER12, DKEY_START },
	643	{ BTN_BASE4, IN_BINDTYPE_PLAYER12, DKEY_SELECT },
	644	{ BTN_TOP2, IN_BINDTYPE_PLAYER12, DKEY_L1 },
	645	{ BTN_PINKIE, IN_BINDTYPE_PLAYER12, DKEY_R1 },
	646	{ BTN_BASE, IN_BINDTYPE_EMU, SACTION_ENTER_MENU },
	647	{ 0, 0, 0 },
	648	};
	649
	650	static const char * const caanoo_keys[KEY_MAX + 1] = {
	651	[0 ... KEY_MAX] = NULL,
	652	[KEY_UP] = "Up",
	653	[KEY_LEFT] = "Left",
	654	[KEY_RIGHT] = "Right",
	655	[KEY_DOWN] = "Down",
	656	[BTN_TRIGGER] = "A",
	657	[BTN_THUMB] = "X",
	658	[BTN_THUMB2] = "B",
	659	[BTN_TOP] = "Y",
	660	[BTN_TOP2] = "L",
	661	[BTN_PINKIE] = "R",
	662	[BTN_BASE] = "Home",
	663	[BTN_BASE2] = "Lock",
	664	[BTN_BASE3] = "I",
	665	[BTN_BASE4] = "II",
	666	[BTN_BASE5] = "Push",
	667	};
	668
221be40d	669	/* Wiz stuff */
	670	struct in_default_bind in_gp2x_defbinds[] =
	671	{
	672	/* MXYZ SACB RLDU */
	673	{ GP2X_BTN_UP, IN_BINDTYPE_PLAYER12, DKEY_UP },
	674	{ GP2X_BTN_DOWN, IN_BINDTYPE_PLAYER12, DKEY_DOWN },
	675	{ GP2X_BTN_LEFT, IN_BINDTYPE_PLAYER12, DKEY_LEFT },
	676	{ GP2X_BTN_RIGHT, IN_BINDTYPE_PLAYER12, DKEY_RIGHT },
	677	{ GP2X_BTN_X, IN_BINDTYPE_PLAYER12, DKEY_CROSS },
	678	{ GP2X_BTN_B, IN_BINDTYPE_PLAYER12, DKEY_CIRCLE },
	679	{ GP2X_BTN_A, IN_BINDTYPE_PLAYER12, DKEY_SQUARE },
	680	{ GP2X_BTN_Y, IN_BINDTYPE_PLAYER12, DKEY_TRIANGLE },
	681	{ GP2X_BTN_L, IN_BINDTYPE_PLAYER12, DKEY_L1 },
	682	{ GP2X_BTN_R, IN_BINDTYPE_PLAYER12, DKEY_R1 },
	683	{ GP2X_BTN_START, IN_BINDTYPE_PLAYER12, DKEY_START },
	684	{ GP2X_BTN_SELECT, IN_BINDTYPE_EMU, SACTION_ENTER_MENU },
	685	{ GP2X_BTN_VOL_UP, IN_BINDTYPE_EMU, SACTION_VOLUME_UP },
	686	{ GP2X_BTN_VOL_DOWN, IN_BINDTYPE_EMU, SACTION_VOLUME_DOWN },
	687	{ 0, 0, 0 },
	688	};
	689
	690	void plat_step_volume(int is_up)
	691	{
	692	static int volume = 50;
	693	int ret, val;
	694
	695	if (mixerdev < 0)
	696	return;
	697
	698	if (is_up) {
	699	volume += 5;
	700	if (volume > 255) volume = 255;
	701	}
	702	else {
	703	volume -= 5;
	704	if (volume < 0) volume = 0;
	705	}
	706	val = volume;
	707	val \|= val << 8;
	708
	709	ret = ioctl(mixerdev, SOUND_MIXER_WRITE_PCM, &val);
	710	if (ret == -1)
	711	perror("WRITE_PCM");
	712	}
	713
	714	// unused dummy for in_gp2x
	715	volatile unsigned short *gp2x_memregs;
	716
55b0eeea	717	int plat_rescan_inputs(void)
	718	{
	719	in_probe();
221be40d	720	if (gp2x_dev_id == GP2X_DEV_CAANOO)
	721	in_set_config(in_name_to_id("evdev:pollux-analog"), IN_CFG_KEY_NAMES,
	722	caanoo_keys, sizeof(caanoo_keys));
	723
55b0eeea	724	return 0;
55b0eeea	725	}