2 * (C) GraÅžvydas "notaz" Ignotas, 2009-2011
4 * This work is licensed under the terms of the GNU GPLv2 or later.
5 * See the COPYING file in the top-level directory.
11 #include <sys/types.h>
14 #include <sys/ioctl.h>
18 #include <linux/soundcard.h>
20 #include "common/input.h"
21 #include "gp2x/in_gp2x.h"
22 #include "common/menu.h"
23 #include "warm/warm.h"
24 #include "plugin_lib.h"
25 #include "pl_gun_ts.h"
27 #include "in_tsbutton.h"
32 #include "../plugins/gpulib/cspace.h"
36 static int fbdev = -1, memdev = -1, battdev = -1, mixerdev = -1;
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;
42 static int cpu_clock_allowed, have_warm;
43 static unsigned int saved_video_regs[2][6];
44 #define FB_VRAM_SIZE (320*240*2*2*2) // 2 buffers with space for 24bpp mode
46 static unsigned short *psx_vram;
47 static unsigned int psx_vram_padds[512];
48 static int psx_step, psx_width, psx_height, psx_bpp;
49 static int psx_offset_x, psx_offset_y, psx_src_width, psx_src_height;
50 static int fb_offset_x, fb_offset_y;
52 static void caanoo_init(void);
55 static void *fb_flip(void)
57 memregl[0x406C>>2] = memregl[0x446C>>2] = fb_paddrs[fb_work_buf];
58 memregl[0x4058>>2] |= 0x10;
59 memregl[0x4458>>2] |= 0x10;
61 return fb_vaddrs[fb_work_buf];
64 static void pollux_changemode(int bpp, int is_bgr)
66 int code = 0, bytes = 2;
69 printf("changemode: %dbpp %s\n", bpp, is_bgr ? "bgr" : "rgb");
71 memregl[0x4004>>2] = 0x00ef013f;
72 memregl[0x4000>>2] |= 1 << 3;
81 code = is_bgr ? 0xc342 : 0x4432;
85 code = is_bgr ? 0xc653 : 0x4653;
89 printf("unhandled bpp request: %d\n", bpp);
93 // program both MLCs so that TV-out works
94 memregl[0x405c>>2] = memregl[0x445c>>2] = bytes;
95 memregl[0x4060>>2] = memregl[0x4460>>2] = 320 * bytes;
97 r = memregl[0x4058>>2];
98 r = (r & 0xffff) | (code << 16) | 0x10;
99 memregl[0x4058>>2] = r;
101 r = memregl[0x4458>>2];
102 r = (r & 0xffff) | (code << 16) | 0x10;
103 memregl[0x4458>>2] = r;
106 /* note: both PLLs are programmed the same way,
107 * the databook incorrectly states that PLL1 differs */
108 static int decode_pll(unsigned int reg)
113 p = (reg >> 18) & 0x3f;
114 m = (reg >> 8) & 0x3ff;
120 v = 27000000; // master clock
121 v = v * m / (p << s);
125 int plat_cpu_clock_get(void)
127 return decode_pll(memregl[0xf004>>2]) / 1000000;
130 int plat_cpu_clock_apply(int mhz)
132 int adiv, mdiv, pdiv, sdiv = 0;
135 if (!cpu_clock_allowed)
137 if (mhz == plat_cpu_clock_get())
140 // m = MDIV, p = PDIV, s = SDIV
141 #define SYS_CLK_FREQ 27
143 mdiv = (mhz * pdiv) / SYS_CLK_FREQ;
146 vf004 = (pdiv<<18) | (mdiv<<8) | sdiv;
148 // attempt to keep the AHB divider close to 250, but not higher
149 for (adiv = 1; mhz / adiv > 250; adiv++)
152 vf000 = memregl[0xf000>>2];
153 vf000 = (vf000 & ~0x3c0) | ((adiv - 1) << 6);
154 memregl[0xf000>>2] = vf000;
155 memregl[0xf004>>2] = vf004;
156 memregl[0xf07c>>2] |= 0x8000;
157 for (i = 0; (memregl[0xf07c>>2] & 0x8000) && i < 0x100000; i++)
160 printf("clock set to %dMHz, AHB set to %dMHz\n", mhz, mhz / adiv);
162 // stupid pll share hack - must restart audio
163 extern long SPUopen(void);
164 extern long SPUclose(void);
171 int plat_get_bat_capacity(void)
173 unsigned short magic_val = 0;
177 if (read(battdev, &magic_val, sizeof(magic_val)) != sizeof(magic_val))
188 #define TIMER_BASE3 0x1980
189 #define TIMER_REG(x) memregl[(TIMER_BASE3 + x) >> 2]
191 static __attribute__((unused)) unsigned int timer_get(void)
193 TIMER_REG(0x08) |= 0x48; /* run timer, latch value */
197 static void timer_cleanup(void)
199 TIMER_REG(0x40) = 0x0c; /* be sure clocks are on */
200 TIMER_REG(0x08) = 0x23; /* stop the timer, clear irq in case it's pending */
201 TIMER_REG(0x00) = 0; /* clear counter */
202 TIMER_REG(0x40) = 0; /* clocks off */
203 TIMER_REG(0x44) = 0; /* dividers back to default */
206 void plat_video_menu_enter(int is_rom_loaded)
208 if (pl_vout_buf != NULL) {
210 // have to do rgb conversion for menu bg
211 bgr555_to_rgb565(pl_vout_buf, pl_vout_buf, 320*240*2);
213 memset(pl_vout_buf, 0, 320*240*2);
216 pollux_changemode(16, 0);
219 void plat_video_menu_begin(void)
223 void plat_video_menu_end(void)
225 g_menuscreen_ptr = fb_flip();
228 void plat_video_menu_leave(void)
230 if (psx_vram == NULL) {
231 fprintf(stderr, "GPU plugin did not provide vram\n");
235 if (gp2x_dev_id == GP2X_DEV_CAANOO)
236 in_set_config_int(in_name_to_id("evdev:pollux-analog"),
237 IN_CFG_ABS_DEAD_ZONE, analog_deadzone);
239 memset(g_menuscreen_ptr, 0, 320*240 * psx_bpp/8);
240 g_menuscreen_ptr = fb_flip();
243 void *plat_prepare_screenshot(int *w, int *h, int *bpp)
245 bgr555_to_rgb565(pl_vout_buf, pl_vout_buf, 320*240*2);
252 void plat_minimize(void)
256 static void pl_vout_set_raw_vram(void *vram)
265 if ((long)psx_vram & 0x7ff)
266 fprintf(stderr, "GPU plugin did not align vram\n");
268 for (i = 0; i < 512; i++) {
269 psx_vram[i * 1024] = 0; // touch
270 psx_vram_padds[i] = warm_virt2phys(&psx_vram[i * 1024]);
274 static void spend_cycles(int loops)
278 "0: subs r0,r0,#1 ;\n"
280 :: "r" (loops) : "cc", "r0");
283 #define DMA_BASE6 0x0300
284 #define DMA_REG(x) memregl[(DMA_BASE6 + x) >> 2]
286 /* this takes ~1.5ms, while ldm/stm ~1.95ms */
287 static void raw_flip_dma(int x, int y)
289 unsigned int dst = fb_paddrs[fb_work_buf] +
290 (fb_offset_y * 320 + fb_offset_x) * psx_bpp / 8;
291 int spsx_line = y + psx_offset_y;
292 int spsx_offset = (x + psx_offset_x) & 0x3f8;
293 int dst_stride = 320 * psx_bpp / 8;
294 int len = psx_src_width * psx_bpp / 8;
297 warm_cache_op_all(WOP_D_CLEAN);
298 pcnt_start(PCNT_BLIT);
303 if (DMA_REG(0x0c) & 0x90000) {
304 printf("already runnig DMA?\n");
305 DMA_REG(0x0c) = 0x100000;
307 if ((DMA_REG(0x2c) & 0x0f) < 5) {
308 printf("DMA queue busy?\n");
312 for (i = psx_src_height; i > 0; i--, spsx_line += psx_step, dst += dst_stride) {
313 while ((DMA_REG(0x2c) & 0x0f) < 4)
316 // XXX: it seems we must always set all regs, what is autoincrement there for?
317 DMA_REG(0x20) = 1; // queue wait cmd
318 DMA_REG(0x10) = psx_vram_padds[spsx_line & 511] + spsx_offset * 2; // DMA src
319 DMA_REG(0x14) = dst; // DMA dst
320 DMA_REG(0x18) = len - 1; // len
321 DMA_REG(0x1c) = 0x80000; // go
325 pl_vout_buf = g_menuscreen_ptr;
326 pl_print_hud(fb_offset_x);
329 g_menuscreen_ptr = fb_flip();
330 pl_rearmed_cbs.flip_cnt++;
335 #define make_flip_func(name, blitfunc) \
336 static void name(int x, int y) \
338 unsigned short *vram = psx_vram; \
339 unsigned char *dst = (unsigned char *)g_menuscreen_ptr + \
340 (fb_offset_y * 320 + fb_offset_x) * psx_bpp / 8; \
341 unsigned int src = (y + psx_offset_y) * 1024 + x + psx_offset_x; \
342 int dst_stride = 320 * psx_bpp / 8; \
343 int len = psx_src_width * psx_bpp / 8; \
346 pcnt_start(PCNT_BLIT); \
348 for (i = psx_src_height; i > 0; i--, src += psx_step * 1024, dst += dst_stride) { \
350 blitfunc(dst, vram + src, len); \
353 if (psx_bpp == 16) { \
354 pl_vout_buf = g_menuscreen_ptr; \
355 pl_print_hud(fb_offset_x); \
358 g_menuscreen_ptr = fb_flip(); \
359 pl_rearmed_cbs.flip_cnt++; \
361 pcnt_end(PCNT_BLIT); \
364 make_flip_func(raw_flip_soft, memcpy)
365 make_flip_func(raw_flip_soft_368, blit320_368)
366 make_flip_func(raw_flip_soft_512, blit320_512)
367 make_flip_func(raw_flip_soft_640, blit320_640)
369 void *plat_gvideo_set_mode(int *w_, int *h_, int *bpp_)
371 int poff_w, poff_h, w_max;
372 int w = *w_, h = *h_, bpp = *bpp_;
374 if (!w || !h || !bpp)
377 printf("psx mode: %dx%d@%d\n", w, h, bpp);
382 switch (w + (bpp != 16) + !soft_scaling) {
384 pl_rearmed_cbs.pl_vout_raw_flip = raw_flip_soft_640;
388 pl_rearmed_cbs.pl_vout_raw_flip = raw_flip_soft_512;
393 pl_rearmed_cbs.pl_vout_raw_flip = raw_flip_soft_368;
397 pl_rearmed_cbs.pl_vout_raw_flip = have_warm ? raw_flip_dma : raw_flip_soft;
410 poff_w = w / 2 - w_max / 2;
415 fb_offset_x = 320/2 - w / 2;
417 poff_h = h / 2 - 240/2;
420 fb_offset_y = 240/2 - h / 2;
422 psx_offset_x = poff_w;
423 psx_offset_y = poff_h;
427 if (fb_offset_x || fb_offset_y) {
428 // not fullscreen, must clear borders
429 memset(g_menuscreen_ptr, 0, 320*240 * psx_bpp/8);
430 g_menuscreen_ptr = fb_flip();
431 memset(g_menuscreen_ptr, 0, 320*240 * psx_bpp/8);
434 pollux_changemode(bpp, 1);
436 pl_set_gun_rect(fb_offset_x, fb_offset_y, w > 320 ? 320 : w, h);
440 *h_ = fb_offset_y + psx_src_height;
445 /* not really used, we do raw_flip */
446 void plat_gvideo_open(void)
450 void *plat_gvideo_flip(void)
455 void plat_gvideo_close(void)
459 static void save_multiple_regs(unsigned int *dest, int base, int count)
461 const volatile unsigned int *regs = memregl + base / 4;
464 for (i = 0; i < count; i++)
468 static void restore_multiple_regs(int base, const unsigned int *src, int count)
470 volatile unsigned int *regs = memregl + base / 4;
473 for (i = 0; i < count; i++)
479 const char *main_fb_name = "/dev/fb0";
480 struct fb_fix_screeninfo fbfix;
481 int rate, timer_div, timer_div2;
482 int fbdev, ret, warm_ret;
485 memdev = open("/dev/mem", O_RDWR);
487 perror("open(/dev/mem) failed");
491 memregs = mmap(0, 0x20000, PROT_READ|PROT_WRITE, MAP_SHARED, memdev, 0xc0000000);
492 if (memregs == MAP_FAILED) {
493 perror("mmap(memregs) failed");
496 memregl = (volatile void *)memregs;
498 // save video regs of both MLCs
499 save_multiple_regs(saved_video_regs[0], 0x4058, ARRAY_SIZE(saved_video_regs[0]));
500 save_multiple_regs(saved_video_regs[1], 0x4458, ARRAY_SIZE(saved_video_regs[1]));
502 fbdev = open(main_fb_name, O_RDWR);
504 fprintf(stderr, "%s: ", main_fb_name);
509 ret = ioctl(fbdev, FBIOGET_FSCREENINFO, &fbfix);
511 perror("ioctl(fbdev) failed");
514 printf("framebuffer: \"%s\" @ %08lx\n", fbfix.id, fbfix.smem_start);
515 fb_paddrs[0] = fbfix.smem_start;
516 fb_paddrs[1] = fb_paddrs[0] + 320*240*4; // leave space for 24bpp
518 fb_vaddrs[0] = mmap(0, FB_VRAM_SIZE, PROT_READ|PROT_WRITE,
519 MAP_SHARED, memdev, fb_paddrs[0]);
520 if (fb_vaddrs[0] == MAP_FAILED) {
521 perror("mmap(fb_vaddrs) failed");
524 fb_vaddrs[1] = (char *)fb_vaddrs[0] + 320*240*4;
526 memset(fb_vaddrs[0], 0, FB_VRAM_SIZE);
527 pollux_changemode(16, 0);
528 g_menuscreen_w = 320;
529 g_menuscreen_h = 240;
530 g_menuscreen_ptr = fb_flip();
532 g_menubg_ptr = calloc(320*240*2, 1);
533 if (g_menubg_ptr == NULL) {
534 fprintf(stderr, "OOM\n");
538 warm_ret = warm_init();
539 have_warm = warm_ret == 0;
540 warm_change_cb_upper(WCB_B_BIT, 1);
542 /* some firmwares have sys clk on PLL0, we can't adjust CPU clock
543 * by reprogramming the PLL0 then, as it overclocks system bus */
544 if ((memregl[0xf000>>2] & 0x03000030) == 0x01000000)
545 cpu_clock_allowed = 1;
547 cpu_clock_allowed = 0;
548 fprintf(stderr, "unexpected PLL config (%08x), overclocking disabled\n",
552 /* find what PLL1 runs at, for the timer */
553 rate = decode_pll(memregl[0xf008>>2]);
554 printf("PLL1 @ %dHz\n", rate);
557 timer_div = (rate + 500000) / 1000000;
559 while (timer_div > 256) {
563 if (1 <= timer_div && timer_div <= 256 && timer_div2 < 4) {
564 int timer_rate = (rate >> timer_div2) / timer_div;
565 if (TIMER_REG(0x08) & 8) {
566 fprintf(stderr, "warning: timer in use, overriding!\n");
569 if (timer_rate != 1000000)
570 fprintf(stderr, "warning: timer drift %d us\n", timer_rate - 1000000);
572 timer_div2 = (timer_div2 + 3) & 3;
573 TIMER_REG(0x44) = ((timer_div - 1) << 4) | 2; /* using PLL1 */
574 TIMER_REG(0x40) = 0x0c; /* clocks on */
575 TIMER_REG(0x08) = 0x68 | timer_div2; /* run timer, clear irq, latch value */
578 fprintf(stderr, "warning: could not make use of timer\n");
581 DMA_REG(0x0c) = 0x20000; // pending IRQ clear
583 battdev = open("/dev/pollux_batt", O_RDONLY);
585 perror("Warning: could't open pollux_batt");
587 f = fopen("/dev/accel", "rb");
589 printf("detected Caanoo\n");
590 gp2x_dev_id = GP2X_DEV_CAANOO;
594 printf("detected Wiz\n");
595 gp2x_dev_id = GP2X_DEV_WIZ;
601 if (gp2x_dev_id == GP2X_DEV_CAANOO)
604 mixerdev = open("/dev/mixer", O_RDWR);
606 perror("open(/dev/mixer)");
608 pl_rearmed_cbs.pl_vout_raw_flip = have_warm ? raw_flip_dma : raw_flip_soft;
609 pl_rearmed_cbs.pl_vout_set_raw_vram = pl_vout_set_raw_vram;
612 psx_src_height = 240;
615 pl_rearmed_cbs.screen_w = 320;
616 pl_rearmed_cbs.screen_h = 240;
619 void plat_finish(void)
624 memset(fb_vaddrs[0], 0, FB_VRAM_SIZE);
625 restore_multiple_regs(0x4058, saved_video_regs[0], ARRAY_SIZE(saved_video_regs[0]));
626 restore_multiple_regs(0x4458, saved_video_regs[1], ARRAY_SIZE(saved_video_regs[1]));
627 memregl[0x4058>>2] |= 0x10;
628 memregl[0x4458>>2] |= 0x10;
629 munmap(fb_vaddrs[0], FB_VRAM_SIZE);
636 munmap((void *)memregs, 0x20000);
640 /* Caanoo stuff, perhaps move later */
641 #include <linux/input.h>
643 struct in_default_bind in_evdev_defbinds[] = {
644 { KEY_UP, IN_BINDTYPE_PLAYER12, DKEY_UP },
645 { KEY_DOWN, IN_BINDTYPE_PLAYER12, DKEY_DOWN },
646 { KEY_LEFT, IN_BINDTYPE_PLAYER12, DKEY_LEFT },
647 { KEY_RIGHT, IN_BINDTYPE_PLAYER12, DKEY_RIGHT },
648 { BTN_TOP, IN_BINDTYPE_PLAYER12, DKEY_TRIANGLE },
649 { BTN_THUMB, IN_BINDTYPE_PLAYER12, DKEY_CROSS },
650 { BTN_THUMB2, IN_BINDTYPE_PLAYER12, DKEY_CIRCLE },
651 { BTN_TRIGGER, IN_BINDTYPE_PLAYER12, DKEY_SQUARE },
652 { BTN_BASE3, IN_BINDTYPE_PLAYER12, DKEY_START },
653 { BTN_BASE4, IN_BINDTYPE_PLAYER12, DKEY_SELECT },
654 { BTN_TOP2, IN_BINDTYPE_PLAYER12, DKEY_L1 },
655 { BTN_PINKIE, IN_BINDTYPE_PLAYER12, DKEY_R1 },
656 { BTN_BASE, IN_BINDTYPE_EMU, SACTION_ENTER_MENU },
660 static const char * const caanoo_keys[KEY_MAX + 1] = {
661 [0 ... KEY_MAX] = NULL,
664 [KEY_RIGHT] = "Right",
673 [BTN_BASE2] = "Lock",
676 [BTN_BASE5] = "Push",
682 short time, strength;
686 #define HAPTIC_IOCTL_MAGIC 'I'
687 #define HAPTIC_PLAY_PATTERN _IOW(HAPTIC_IOCTL_MAGIC, 4, struct haptic_data)
688 #define HAPTIC_INDIVIDUAL_MODE _IOW(HAPTIC_IOCTL_MAGIC, 5, unsigned int)
689 #define HAPTIC_SET_VIB_LEVEL _IOW(HAPTIC_IOCTL_MAGIC, 9, unsigned int)
691 static int hapticdev = -1;
692 static struct haptic_data haptic_seq[2];
694 static int haptic_read(const char *fname, struct haptic_data *data)
700 f = fopen(fname, "r");
702 fprintf(stderr, "fopen(%s)", fname);
707 for (i = 0; i < sizeof(data->actions) / sizeof(data->actions[0]); ) {
708 p = fgets(buf, sizeof(buf), f);
711 while (*p != 0 && *p == ' ')
713 if (*p == 0 || *p == ';' || *p == '#')
716 ret = sscanf(buf, "%d %d", &v1, &v2);
718 fprintf(stderr, "can't parse: %s", buf);
722 data->actions[i].time = v1;
723 data->actions[i].strength = v2;
729 fprintf(stderr, "bad haptic file: %s\n", fname);
737 static int haptic_init(void)
741 ret = haptic_read("haptic_w.cfg", &haptic_seq[0]);
744 ret = haptic_read("haptic_s.cfg", &haptic_seq[1]);
748 hapticdev = open("/dev/isa1200", O_RDWR | O_NONBLOCK);
749 if (hapticdev == -1) {
750 perror("open(/dev/isa1200)");
755 ret = ioctl(hapticdev, HAPTIC_INDIVIDUAL_MODE, &i); /* use 2 of them */
757 ret |= ioctl(hapticdev, HAPTIC_SET_VIB_LEVEL, &i); /* max */
759 fprintf(stderr, "haptic ioctls failed\n");
768 void plat_trigger_vibrate(int is_strong)
773 return; // it's broken
782 ioctl(hapticdev, HAPTIC_PLAY_PATTERN, &haptic_seq[!!is_strong]);
786 struct in_default_bind in_gp2x_defbinds[] =
789 { GP2X_BTN_UP, IN_BINDTYPE_PLAYER12, DKEY_UP },
790 { GP2X_BTN_DOWN, IN_BINDTYPE_PLAYER12, DKEY_DOWN },
791 { GP2X_BTN_LEFT, IN_BINDTYPE_PLAYER12, DKEY_LEFT },
792 { GP2X_BTN_RIGHT, IN_BINDTYPE_PLAYER12, DKEY_RIGHT },
793 { GP2X_BTN_X, IN_BINDTYPE_PLAYER12, DKEY_CROSS },
794 { GP2X_BTN_B, IN_BINDTYPE_PLAYER12, DKEY_CIRCLE },
795 { GP2X_BTN_A, IN_BINDTYPE_PLAYER12, DKEY_SQUARE },
796 { GP2X_BTN_Y, IN_BINDTYPE_PLAYER12, DKEY_TRIANGLE },
797 { GP2X_BTN_L, IN_BINDTYPE_PLAYER12, DKEY_L1 },
798 { GP2X_BTN_R, IN_BINDTYPE_PLAYER12, DKEY_R1 },
799 { GP2X_BTN_START, IN_BINDTYPE_PLAYER12, DKEY_START },
800 { GP2X_BTN_SELECT, IN_BINDTYPE_EMU, SACTION_ENTER_MENU },
801 { GP2X_BTN_VOL_UP, IN_BINDTYPE_EMU, SACTION_VOLUME_UP },
802 { GP2X_BTN_VOL_DOWN, IN_BINDTYPE_EMU, SACTION_VOLUME_DOWN },
806 void plat_step_volume(int is_up)
808 static int volume = 50;
816 if (volume > 255) volume = 255;
820 if (volume < 0) volume = 0;
825 ret = ioctl(mixerdev, SOUND_MIXER_WRITE_PCM, &val);
830 // unused dummy for in_gp2x
831 volatile unsigned short *gp2x_memregs;
833 static void caanoo_init(void)
835 in_set_config(in_name_to_id("evdev:pollux-analog"), IN_CFG_KEY_NAMES,
836 caanoo_keys, sizeof(caanoo_keys));