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>
19 #include <linux/input.h>
21 #include "common/input.h"
22 #include "gp2x/in_gp2x.h"
23 #include "linux/in_evdev.h"
24 #include "common/menu.h"
25 #include "warm/warm.h"
26 #include "plugin_lib.h"
27 #include "pl_gun_ts.h"
29 #include "in_tsbutton.h"
34 #include "../plugins/gpulib/cspace.h"
38 static int fbdev = -1, memdev = -1, battdev = -1, mixerdev = -1;
39 static volatile unsigned short *memregs;
40 static volatile unsigned int *memregl;
41 static void *fb_vaddrs[2];
42 static unsigned int fb_paddrs[2];
43 static int fb_work_buf;
44 static int cpu_clock_allowed, have_warm;
45 static unsigned int saved_video_regs[2][6];
46 #define FB_VRAM_SIZE (320*240*2*2*2) // 2 buffers with space for 24bpp mode
48 static unsigned short *psx_vram;
49 static unsigned int psx_vram_padds[512];
50 static int psx_step, psx_width, psx_height, psx_bpp;
51 static int psx_offset_x, psx_offset_y, psx_src_width, psx_src_height;
52 static int fb_offset_x, fb_offset_y;
54 static void caanoo_init(void);
55 static void wiz_init(void);
58 static const struct in_default_bind in_evdev_defbinds[] = {
59 { KEY_UP, IN_BINDTYPE_PLAYER12, DKEY_UP },
60 { KEY_DOWN, IN_BINDTYPE_PLAYER12, DKEY_DOWN },
61 { KEY_LEFT, IN_BINDTYPE_PLAYER12, DKEY_LEFT },
62 { KEY_RIGHT, IN_BINDTYPE_PLAYER12, DKEY_RIGHT },
63 { BTN_TOP, IN_BINDTYPE_PLAYER12, DKEY_TRIANGLE },
64 { BTN_THUMB, IN_BINDTYPE_PLAYER12, DKEY_CROSS },
65 { BTN_THUMB2, IN_BINDTYPE_PLAYER12, DKEY_CIRCLE },
66 { BTN_TRIGGER, IN_BINDTYPE_PLAYER12, DKEY_SQUARE },
67 { BTN_BASE3, IN_BINDTYPE_PLAYER12, DKEY_START },
68 { BTN_BASE4, IN_BINDTYPE_PLAYER12, DKEY_SELECT },
69 { BTN_TOP2, IN_BINDTYPE_PLAYER12, DKEY_L1 },
70 { BTN_PINKIE, IN_BINDTYPE_PLAYER12, DKEY_R1 },
71 { BTN_BASE, IN_BINDTYPE_EMU, SACTION_ENTER_MENU },
75 static void *fb_flip(void)
77 memregl[0x406C>>2] = memregl[0x446C>>2] = fb_paddrs[fb_work_buf];
78 memregl[0x4058>>2] |= 0x10;
79 memregl[0x4458>>2] |= 0x10;
81 return fb_vaddrs[fb_work_buf];
84 static void pollux_changemode(int bpp, int is_bgr)
86 int code = 0, bytes = 2;
89 printf("changemode: %dbpp %s\n", bpp, is_bgr ? "bgr" : "rgb");
91 memregl[0x4004>>2] = 0x00ef013f;
92 memregl[0x4000>>2] |= 1 << 3;
101 code = is_bgr ? 0xc342 : 0x4432;
105 code = is_bgr ? 0xc653 : 0x4653;
109 printf("unhandled bpp request: %d\n", bpp);
113 // program both MLCs so that TV-out works
114 memregl[0x405c>>2] = memregl[0x445c>>2] = bytes;
115 memregl[0x4060>>2] = memregl[0x4460>>2] = 320 * bytes;
117 r = memregl[0x4058>>2];
118 r = (r & 0xffff) | (code << 16) | 0x10;
119 memregl[0x4058>>2] = r;
121 r = memregl[0x4458>>2];
122 r = (r & 0xffff) | (code << 16) | 0x10;
123 memregl[0x4458>>2] = r;
126 /* note: both PLLs are programmed the same way,
127 * the databook incorrectly states that PLL1 differs */
128 static int decode_pll(unsigned int reg)
133 p = (reg >> 18) & 0x3f;
134 m = (reg >> 8) & 0x3ff;
140 v = 27000000; // master clock
141 v = v * m / (p << s);
145 int plat_cpu_clock_get(void)
147 return decode_pll(memregl[0xf004>>2]) / 1000000;
150 int plat_cpu_clock_apply(int mhz)
152 int adiv, mdiv, pdiv, sdiv = 0;
155 if (!cpu_clock_allowed)
157 if (mhz == plat_cpu_clock_get())
160 // m = MDIV, p = PDIV, s = SDIV
161 #define SYS_CLK_FREQ 27
163 mdiv = (mhz * pdiv) / SYS_CLK_FREQ;
166 vf004 = (pdiv<<18) | (mdiv<<8) | sdiv;
168 // attempt to keep the AHB divider close to 250, but not higher
169 for (adiv = 1; mhz / adiv > 250; adiv++)
172 vf000 = memregl[0xf000>>2];
173 vf000 = (vf000 & ~0x3c0) | ((adiv - 1) << 6);
174 memregl[0xf000>>2] = vf000;
175 memregl[0xf004>>2] = vf004;
176 memregl[0xf07c>>2] |= 0x8000;
177 for (i = 0; (memregl[0xf07c>>2] & 0x8000) && i < 0x100000; i++)
180 printf("clock set to %dMHz, AHB set to %dMHz\n", mhz, mhz / adiv);
182 // stupid pll share hack - must restart audio
183 extern long SPUopen(void);
184 extern long SPUclose(void);
191 int plat_get_bat_capacity(void)
193 unsigned short magic_val = 0;
197 if (read(battdev, &magic_val, sizeof(magic_val)) != sizeof(magic_val))
208 #define TIMER_BASE3 0x1980
209 #define TIMER_REG(x) memregl[(TIMER_BASE3 + x) >> 2]
211 static __attribute__((unused)) unsigned int timer_get(void)
213 TIMER_REG(0x08) |= 0x48; /* run timer, latch value */
217 static void timer_cleanup(void)
219 TIMER_REG(0x40) = 0x0c; /* be sure clocks are on */
220 TIMER_REG(0x08) = 0x23; /* stop the timer, clear irq in case it's pending */
221 TIMER_REG(0x00) = 0; /* clear counter */
222 TIMER_REG(0x40) = 0; /* clocks off */
223 TIMER_REG(0x44) = 0; /* dividers back to default */
226 void plat_video_menu_enter(int is_rom_loaded)
228 if (pl_vout_buf != NULL) {
230 // have to do rgb conversion for menu bg
231 bgr555_to_rgb565(pl_vout_buf, pl_vout_buf, 320*240*2);
233 memset(pl_vout_buf, 0, 320*240*2);
236 pollux_changemode(16, 0);
239 void plat_video_menu_begin(void)
243 void plat_video_menu_end(void)
245 g_menuscreen_ptr = fb_flip();
248 void plat_video_menu_leave(void)
250 if (psx_vram == NULL) {
251 fprintf(stderr, "GPU plugin did not provide vram\n");
255 if (gp2x_dev_id == GP2X_DEV_CAANOO)
256 in_set_config_int(in_name_to_id("evdev:pollux-analog"),
257 IN_CFG_ABS_DEAD_ZONE, analog_deadzone);
259 memset(g_menuscreen_ptr, 0, 320*240 * psx_bpp/8);
260 g_menuscreen_ptr = fb_flip();
261 memset(g_menuscreen_ptr, 0, 320*240 * psx_bpp/8);
264 void *plat_prepare_screenshot(int *w, int *h, int *bpp)
266 bgr555_to_rgb565(pl_vout_buf, pl_vout_buf, 320*240*2);
273 void plat_minimize(void)
277 static void pl_vout_set_raw_vram(void *vram)
286 if ((long)psx_vram & 0x7ff)
287 fprintf(stderr, "GPU plugin did not align vram\n");
289 for (i = 0; i < 512; i++) {
290 psx_vram[i * 1024] = 0; // touch
291 psx_vram_padds[i] = warm_virt2phys(&psx_vram[i * 1024]);
295 static void spend_cycles(int loops)
299 "0: subs r0,r0,#1 ;\n"
301 :: "r" (loops) : "cc", "r0");
304 #define DMA_BASE6 0x0300
305 #define DMA_REG(x) memregl[(DMA_BASE6 + x) >> 2]
307 /* this takes ~1.5ms, while ldm/stm ~1.95ms */
308 static void raw_flip_dma(int x, int y)
310 unsigned int dst = fb_paddrs[fb_work_buf] +
311 (fb_offset_y * 320 + fb_offset_x) * psx_bpp / 8;
312 int spsx_line = y + psx_offset_y;
313 int spsx_offset = (x + psx_offset_x) & 0x3f8;
314 int dst_stride = 320 * psx_bpp / 8;
315 int len = psx_src_width * psx_bpp / 8;
318 warm_cache_op_all(WOP_D_CLEAN);
319 pcnt_start(PCNT_BLIT);
324 if (DMA_REG(0x0c) & 0x90000) {
325 printf("already runnig DMA?\n");
326 DMA_REG(0x0c) = 0x100000;
328 if ((DMA_REG(0x2c) & 0x0f) < 5) {
329 printf("DMA queue busy?\n");
333 for (i = psx_src_height; i > 0; i--, spsx_line += psx_step, dst += dst_stride) {
334 while ((DMA_REG(0x2c) & 0x0f) < 4)
337 // XXX: it seems we must always set all regs, what is autoincrement there for?
338 DMA_REG(0x20) = 1; // queue wait cmd
339 DMA_REG(0x10) = psx_vram_padds[spsx_line & 511] + spsx_offset * 2; // DMA src
340 DMA_REG(0x14) = dst; // DMA dst
341 DMA_REG(0x18) = len - 1; // len
342 DMA_REG(0x1c) = 0x80000; // go
346 pl_vout_buf = g_menuscreen_ptr;
347 pl_print_hud(fb_offset_x);
350 g_menuscreen_ptr = fb_flip();
351 pl_rearmed_cbs.flip_cnt++;
356 #define make_flip_func(name, blitfunc) \
357 static void name(int x, int y) \
359 unsigned short *vram = psx_vram; \
360 unsigned char *dst = (unsigned char *)g_menuscreen_ptr + \
361 (fb_offset_y * 320 + fb_offset_x) * psx_bpp / 8; \
362 unsigned int src = (y + psx_offset_y) * 1024 + x + psx_offset_x; \
363 int dst_stride = 320 * psx_bpp / 8; \
364 int len = psx_src_width * psx_bpp / 8; \
367 pcnt_start(PCNT_BLIT); \
369 for (i = psx_src_height; i > 0; i--, src += psx_step * 1024, dst += dst_stride) { \
371 blitfunc(dst, vram + src, len); \
374 if (psx_bpp == 16) { \
375 pl_vout_buf = g_menuscreen_ptr; \
376 pl_print_hud(fb_offset_x); \
379 g_menuscreen_ptr = fb_flip(); \
380 pl_rearmed_cbs.flip_cnt++; \
382 pcnt_end(PCNT_BLIT); \
385 make_flip_func(raw_flip_soft, memcpy)
386 make_flip_func(raw_flip_soft_368, blit320_368)
387 make_flip_func(raw_flip_soft_512, blit320_512)
388 make_flip_func(raw_flip_soft_640, blit320_640)
390 void *plat_gvideo_set_mode(int *w_, int *h_, int *bpp_)
392 int poff_w, poff_h, w_max;
393 int w = *w_, h = *h_, bpp = *bpp_;
395 if (!w || !h || !bpp)
398 printf("psx mode: %dx%d@%d\n", w, h, bpp);
403 switch (w + (bpp != 16) + !soft_scaling) {
405 pl_rearmed_cbs.pl_vout_raw_flip = raw_flip_soft_640;
409 pl_rearmed_cbs.pl_vout_raw_flip = raw_flip_soft_512;
414 pl_rearmed_cbs.pl_vout_raw_flip = raw_flip_soft_368;
418 pl_rearmed_cbs.pl_vout_raw_flip = have_warm ? raw_flip_dma : raw_flip_soft;
431 poff_w = w / 2 - w_max / 2;
436 fb_offset_x = 320/2 - w / 2;
438 poff_h = h / 2 - 240/2;
441 fb_offset_y = 240/2 - h / 2;
443 psx_offset_x = poff_w * psx_bpp/8 / 2;
444 psx_offset_y = poff_h;
448 if (fb_offset_x || fb_offset_y) {
449 // not fullscreen, must clear borders
450 memset(g_menuscreen_ptr, 0, 320*240 * psx_bpp/8);
451 g_menuscreen_ptr = fb_flip();
452 memset(g_menuscreen_ptr, 0, 320*240 * psx_bpp/8);
455 pollux_changemode(bpp, 1);
457 pl_set_gun_rect(fb_offset_x, fb_offset_y, w > 320 ? 320 : w, h);
461 *h_ = fb_offset_y + psx_src_height;
466 /* not really used, we do raw_flip */
467 void plat_gvideo_open(int is_pal)
471 void *plat_gvideo_flip(void)
476 void plat_gvideo_close(void)
480 static void save_multiple_regs(unsigned int *dest, int base, int count)
482 const volatile unsigned int *regs = memregl + base / 4;
485 for (i = 0; i < count; i++)
489 static void restore_multiple_regs(int base, const unsigned int *src, int count)
491 volatile unsigned int *regs = memregl + base / 4;
494 for (i = 0; i < count; i++)
500 const char *main_fb_name = "/dev/fb0";
501 struct fb_fix_screeninfo fbfix;
502 int rate, timer_div, timer_div2;
503 int fbdev, ret, warm_ret;
506 memdev = open("/dev/mem", O_RDWR);
508 perror("open(/dev/mem) failed");
512 memregs = mmap(0, 0x20000, PROT_READ|PROT_WRITE, MAP_SHARED, memdev, 0xc0000000);
513 if (memregs == MAP_FAILED) {
514 perror("mmap(memregs) failed");
517 memregl = (volatile void *)memregs;
519 // save video regs of both MLCs
520 save_multiple_regs(saved_video_regs[0], 0x4058, ARRAY_SIZE(saved_video_regs[0]));
521 save_multiple_regs(saved_video_regs[1], 0x4458, ARRAY_SIZE(saved_video_regs[1]));
523 fbdev = open(main_fb_name, O_RDWR);
525 fprintf(stderr, "%s: ", main_fb_name);
530 ret = ioctl(fbdev, FBIOGET_FSCREENINFO, &fbfix);
532 perror("ioctl(fbdev) failed");
535 printf("framebuffer: \"%s\" @ %08lx\n", fbfix.id, fbfix.smem_start);
536 fb_paddrs[0] = fbfix.smem_start;
537 fb_paddrs[1] = fb_paddrs[0] + 320*240*4; // leave space for 24bpp
539 fb_vaddrs[0] = mmap(0, FB_VRAM_SIZE, PROT_READ|PROT_WRITE,
540 MAP_SHARED, memdev, fb_paddrs[0]);
541 if (fb_vaddrs[0] == MAP_FAILED) {
542 perror("mmap(fb_vaddrs) failed");
545 fb_vaddrs[1] = (char *)fb_vaddrs[0] + 320*240*4;
547 memset(fb_vaddrs[0], 0, FB_VRAM_SIZE);
548 pollux_changemode(16, 0);
549 g_menuscreen_w = 320;
550 g_menuscreen_h = 240;
551 g_menuscreen_ptr = fb_flip();
553 warm_ret = warm_init();
554 have_warm = warm_ret == 0;
555 warm_change_cb_upper(WCB_B_BIT, 1);
557 /* some firmwares have sys clk on PLL0, we can't adjust CPU clock
558 * by reprogramming the PLL0 then, as it overclocks system bus */
559 if ((memregl[0xf000>>2] & 0x03000030) == 0x01000000)
560 cpu_clock_allowed = 1;
562 cpu_clock_allowed = 0;
563 fprintf(stderr, "unexpected PLL config (%08x), overclocking disabled\n",
567 /* find what PLL1 runs at, for the timer */
568 rate = decode_pll(memregl[0xf008>>2]);
569 printf("PLL1 @ %dHz\n", rate);
572 timer_div = (rate + 500000) / 1000000;
574 while (timer_div > 256) {
578 if (1 <= timer_div && timer_div <= 256 && timer_div2 < 4) {
579 int timer_rate = (rate >> timer_div2) / timer_div;
580 if (TIMER_REG(0x08) & 8) {
581 fprintf(stderr, "warning: timer in use, overriding!\n");
584 if (timer_rate != 1000000)
585 fprintf(stderr, "warning: timer drift %d us\n", timer_rate - 1000000);
587 timer_div2 = (timer_div2 + 3) & 3;
588 TIMER_REG(0x44) = ((timer_div - 1) << 4) | 2; /* using PLL1 */
589 TIMER_REG(0x40) = 0x0c; /* clocks on */
590 TIMER_REG(0x08) = 0x68 | timer_div2; /* run timer, clear irq, latch value */
593 fprintf(stderr, "warning: could not make use of timer\n");
596 DMA_REG(0x0c) = 0x20000; // pending IRQ clear
598 battdev = open("/dev/pollux_batt", O_RDONLY);
600 perror("Warning: could't open pollux_batt");
602 f = fopen("/dev/accel", "rb");
604 printf("detected Caanoo\n");
605 gp2x_dev_id = GP2X_DEV_CAANOO;
609 printf("detected Wiz\n");
610 gp2x_dev_id = GP2X_DEV_WIZ;
614 in_evdev_init(in_evdev_defbinds);
615 if (gp2x_dev_id == GP2X_DEV_CAANOO)
620 mixerdev = open("/dev/mixer", O_RDWR);
622 perror("open(/dev/mixer)");
624 pl_rearmed_cbs.pl_vout_raw_flip = have_warm ? raw_flip_dma : raw_flip_soft;
625 pl_rearmed_cbs.pl_vout_set_raw_vram = pl_vout_set_raw_vram;
628 psx_src_height = 240;
631 pl_rearmed_cbs.screen_w = 320;
632 pl_rearmed_cbs.screen_h = 240;
635 void plat_finish(void)
640 memset(fb_vaddrs[0], 0, FB_VRAM_SIZE);
641 restore_multiple_regs(0x4058, saved_video_regs[0], ARRAY_SIZE(saved_video_regs[0]));
642 restore_multiple_regs(0x4458, saved_video_regs[1], ARRAY_SIZE(saved_video_regs[1]));
643 memregl[0x4058>>2] |= 0x10;
644 memregl[0x4458>>2] |= 0x10;
645 munmap(fb_vaddrs[0], FB_VRAM_SIZE);
652 munmap((void *)memregs, 0x20000);
656 /* WIZ RAM lack workaround */
657 void *memtab_mmap(void *addr, size_t size)
661 if (gp2x_dev_id != GP2X_DEV_WIZ)
662 return mmap(addr, size, PROT_READ | PROT_WRITE,
663 MAP_PRIVATE | MAP_ANONYMOUS | MAP_FIXED, -1, 0);
665 ret = mmap(addr, size, PROT_READ | PROT_WRITE,
666 MAP_SHARED | MAP_FIXED, memdev, 0x03000000);
667 if (ret != MAP_FAILED)
668 warm_change_cb_range(WCB_C_BIT | WCB_B_BIT, 1, ret, size);
672 /* Caanoo stuff, perhaps move later */
673 static const char * const caanoo_keys[KEY_MAX + 1] = {
674 [0 ... KEY_MAX] = NULL,
677 [KEY_RIGHT] = "Right",
686 [BTN_BASE2] = "Lock",
689 [BTN_BASE5] = "Push",
695 short time, strength;
699 #define HAPTIC_IOCTL_MAGIC 'I'
700 #define HAPTIC_PLAY_PATTERN _IOW(HAPTIC_IOCTL_MAGIC, 4, struct haptic_data)
701 #define HAPTIC_INDIVIDUAL_MODE _IOW(HAPTIC_IOCTL_MAGIC, 5, unsigned int)
702 #define HAPTIC_SET_VIB_LEVEL _IOW(HAPTIC_IOCTL_MAGIC, 9, unsigned int)
704 static int hapticdev = -1;
705 static struct haptic_data haptic_seq[2];
707 static int haptic_read(const char *fname, struct haptic_data *data)
713 f = fopen(fname, "r");
715 fprintf(stderr, "fopen(%s)", fname);
720 for (i = 0; i < sizeof(data->actions) / sizeof(data->actions[0]); ) {
721 p = fgets(buf, sizeof(buf), f);
724 while (*p != 0 && *p == ' ')
726 if (*p == 0 || *p == ';' || *p == '#')
729 ret = sscanf(buf, "%d %d", &v1, &v2);
731 fprintf(stderr, "can't parse: %s", buf);
735 data->actions[i].time = v1;
736 data->actions[i].strength = v2;
742 fprintf(stderr, "bad haptic file: %s\n", fname);
750 static int haptic_init(void)
754 ret = haptic_read("haptic_w.cfg", &haptic_seq[0]);
757 ret = haptic_read("haptic_s.cfg", &haptic_seq[1]);
761 hapticdev = open("/dev/isa1200", O_RDWR | O_NONBLOCK);
762 if (hapticdev == -1) {
763 perror("open(/dev/isa1200)");
768 ret = ioctl(hapticdev, HAPTIC_INDIVIDUAL_MODE, &i); /* use 2 of them */
770 ret |= ioctl(hapticdev, HAPTIC_SET_VIB_LEVEL, &i); /* max */
772 fprintf(stderr, "haptic ioctls failed\n");
781 void plat_trigger_vibrate(int is_strong)
786 return; // it's broken
795 ioctl(hapticdev, HAPTIC_PLAY_PATTERN, &haptic_seq[!!is_strong]);
798 static void caanoo_init(void)
801 in_set_config(in_name_to_id("evdev:pollux-analog"), IN_CFG_KEY_NAMES,
802 caanoo_keys, sizeof(caanoo_keys));
806 static const struct in_default_bind in_gp2x_defbinds[] =
809 { GP2X_BTN_UP, IN_BINDTYPE_PLAYER12, DKEY_UP },
810 { GP2X_BTN_DOWN, IN_BINDTYPE_PLAYER12, DKEY_DOWN },
811 { GP2X_BTN_LEFT, IN_BINDTYPE_PLAYER12, DKEY_LEFT },
812 { GP2X_BTN_RIGHT, IN_BINDTYPE_PLAYER12, DKEY_RIGHT },
813 { GP2X_BTN_X, IN_BINDTYPE_PLAYER12, DKEY_CROSS },
814 { GP2X_BTN_B, IN_BINDTYPE_PLAYER12, DKEY_CIRCLE },
815 { GP2X_BTN_A, IN_BINDTYPE_PLAYER12, DKEY_SQUARE },
816 { GP2X_BTN_Y, IN_BINDTYPE_PLAYER12, DKEY_TRIANGLE },
817 { GP2X_BTN_L, IN_BINDTYPE_PLAYER12, DKEY_L1 },
818 { GP2X_BTN_R, IN_BINDTYPE_PLAYER12, DKEY_R1 },
819 { GP2X_BTN_START, IN_BINDTYPE_PLAYER12, DKEY_START },
820 { GP2X_BTN_SELECT, IN_BINDTYPE_EMU, SACTION_ENTER_MENU },
821 { GP2X_BTN_VOL_UP, IN_BINDTYPE_EMU, SACTION_VOLUME_UP },
822 { GP2X_BTN_VOL_DOWN, IN_BINDTYPE_EMU, SACTION_VOLUME_DOWN },
826 void plat_step_volume(int is_up)
828 static int volume = 50;
836 if (volume > 255) volume = 255;
840 if (volume < 0) volume = 0;
845 ret = ioctl(mixerdev, SOUND_MIXER_WRITE_PCM, &val);
850 // unused dummy for in_gp2x
851 volatile unsigned short *gp2x_memregs;
853 static void wiz_init(void)
855 in_gp2x_init(in_gp2x_defbinds);