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"
28 #include "in_tsbutton.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;
50 static int fb_offset_x, fb_offset_y;
52 // TODO: get rid of this
54 struct vout_fbdev *layer_fb;
55 int g_layer_x, g_layer_y, g_layer_w, g_layer_h;
57 int omap_enable_layer(int enabled)
62 static void caanoo_init(void);
65 static void *fb_flip(void)
67 memregl[0x406C>>2] = memregl[0x446C>>2] = fb_paddrs[fb_work_buf];
68 memregl[0x4058>>2] |= 0x10;
69 memregl[0x4458>>2] |= 0x10;
71 return fb_vaddrs[fb_work_buf];
74 static void pollux_changemode(int bpp, int is_bgr)
76 int code = 0, bytes = 2;
79 printf("changemode: %dbpp %s\n", bpp, is_bgr ? "bgr" : "rgb");
81 memregl[0x4004>>2] = 0x00ef013f;
82 memregl[0x4000>>2] |= 1 << 3;
91 code = is_bgr ? 0xc342 : 0x4432;
95 code = is_bgr ? 0xc653 : 0x4653;
99 printf("unhandled bpp request: %d\n", bpp);
103 // program both MLCs so that TV-out works
104 memregl[0x405c>>2] = memregl[0x445c>>2] = bytes;
105 memregl[0x4060>>2] = memregl[0x4460>>2] = 320 * bytes;
107 r = memregl[0x4058>>2];
108 r = (r & 0xffff) | (code << 16) | 0x10;
109 memregl[0x4058>>2] = r;
111 r = memregl[0x4458>>2];
112 r = (r & 0xffff) | (code << 16) | 0x10;
113 memregl[0x4458>>2] = r;
116 /* note: both PLLs are programmed the same way,
117 * the databook incorrectly states that PLL1 differs */
118 static int decode_pll(unsigned int reg)
123 p = (reg >> 18) & 0x3f;
124 m = (reg >> 8) & 0x3ff;
130 v = 27000000; // master clock
131 v = v * m / (p << s);
135 int plat_cpu_clock_get(void)
137 return decode_pll(memregl[0xf004>>2]) / 1000000;
140 int plat_cpu_clock_apply(int mhz)
142 int adiv, mdiv, pdiv, sdiv = 0;
145 if (!cpu_clock_allowed)
147 if (mhz == plat_cpu_clock_get())
150 // m = MDIV, p = PDIV, s = SDIV
151 #define SYS_CLK_FREQ 27
153 mdiv = (mhz * pdiv) / SYS_CLK_FREQ;
156 vf004 = (pdiv<<18) | (mdiv<<8) | sdiv;
158 // attempt to keep the AHB divider close to 250, but not higher
159 for (adiv = 1; mhz / adiv > 250; adiv++)
162 vf000 = memregl[0xf000>>2];
163 vf000 = (vf000 & ~0x3c0) | ((adiv - 1) << 6);
164 memregl[0xf000>>2] = vf000;
165 memregl[0xf004>>2] = vf004;
166 memregl[0xf07c>>2] |= 0x8000;
167 for (i = 0; (memregl[0xf07c>>2] & 0x8000) && i < 0x100000; i++)
170 printf("clock set to %dMHz, AHB set to %dMHz\n", mhz, mhz / adiv);
172 // stupid pll share hack - must restart audio
173 extern long SPUopen(void);
174 extern long SPUclose(void);
181 int plat_get_bat_capacity(void)
183 unsigned short magic_val = 0;
187 if (read(battdev, &magic_val, sizeof(magic_val)) != sizeof(magic_val))
198 #define TIMER_BASE3 0x1980
199 #define TIMER_REG(x) memregl[(TIMER_BASE3 + x) >> 2]
201 static __attribute__((unused)) unsigned int timer_get(void)
203 TIMER_REG(0x08) |= 0x48; /* run timer, latch value */
207 static void timer_cleanup(void)
209 TIMER_REG(0x40) = 0x0c; /* be sure clocks are on */
210 TIMER_REG(0x08) = 0x23; /* stop the timer, clear irq in case it's pending */
211 TIMER_REG(0x00) = 0; /* clear counter */
212 TIMER_REG(0x40) = 0; /* clocks off */
213 TIMER_REG(0x44) = 0; /* dividers back to default */
216 void plat_video_menu_enter(int is_rom_loaded)
218 if (pl_vout_buf != NULL) {
220 // have to do rgb conversion for menu bg
221 bgr555_to_rgb565(pl_vout_buf, pl_vout_buf, 320*240*2);
223 memset(pl_vout_buf, 0, 320*240*2);
226 pollux_changemode(16, 0);
229 void plat_video_menu_begin(void)
233 void plat_video_menu_end(void)
235 g_menuscreen_ptr = fb_flip();
238 void plat_video_menu_leave(void)
240 if (psx_vram == NULL) {
241 fprintf(stderr, "GPU plugin did not provide vram\n");
245 if (gp2x_dev_id == GP2X_DEV_CAANOO)
246 in_set_config_int(in_name_to_id("evdev:pollux-analog"),
247 IN_CFG_ABS_DEAD_ZONE, analog_deadzone);
249 memset(g_menuscreen_ptr, 0, 320*240 * psx_bpp/8);
250 g_menuscreen_ptr = fb_flip();
251 memset(g_menuscreen_ptr, 0, 320*240 * psx_bpp/8);
253 pollux_changemode(psx_bpp, 1);
256 void *plat_prepare_screenshot(int *w, int *h, int *bpp)
258 bgr555_to_rgb565(pl_vout_buf, pl_vout_buf, 320*240*2);
265 static void pl_vout_set_raw_vram(void *vram)
274 if ((long)psx_vram & 0x7ff)
275 fprintf(stderr, "GPU plugin did not align vram\n");
277 for (i = 0; i < 512; i++) {
278 psx_vram[i * 1024] = 0; // touch
279 psx_vram_padds[i] = warm_virt2phys(&psx_vram[i * 1024]);
283 static void spend_cycles(int loops)
287 "0: subs r0,r0,#1 ;\n"
289 :: "r" (loops) : "cc", "r0");
292 #define DMA_BASE6 0x0300
293 #define DMA_REG(x) memregl[(DMA_BASE6 + x) >> 2]
295 /* this takes ~1.5ms, while ldm/stm ~1.95ms */
296 static void raw_flip_dma(int x, int y)
298 unsigned int dst = fb_paddrs[fb_work_buf] +
299 (fb_offset_y * 320 + fb_offset_x) * psx_bpp / 8;
300 int spsx_line = y + psx_offset_y;
301 int spsx_offset = (x + psx_offset_x) & 0x3f8;
302 int dst_stride = 320 * psx_bpp / 8;
303 int len = psx_width * psx_bpp / 8;
306 warm_cache_op_all(WOP_D_CLEAN);
307 pcnt_start(PCNT_BLIT);
312 if (DMA_REG(0x0c) & 0x90000) {
313 printf("already runnig DMA?\n");
314 DMA_REG(0x0c) = 0x100000;
316 if ((DMA_REG(0x2c) & 0x0f) < 5) {
317 printf("DMA queue busy?\n");
321 for (i = psx_height; i > 0; i--, spsx_line += psx_step, dst += dst_stride) {
322 while ((DMA_REG(0x2c) & 0x0f) < 4)
325 // XXX: it seems we must always set all regs, what is autoincrement there for?
326 DMA_REG(0x20) = 1; // queue wait cmd
327 DMA_REG(0x10) = psx_vram_padds[spsx_line & 511] + spsx_offset * 2; // DMA src
328 DMA_REG(0x14) = dst; // DMA dst
329 DMA_REG(0x18) = len - 1; // len
330 DMA_REG(0x1c) = 0x80000; // go
334 pl_vout_buf = g_menuscreen_ptr;
335 pl_print_hud(320, fb_offset_y + psx_height, fb_offset_x);
338 g_menuscreen_ptr = fb_flip();
344 #define make_flip_func(name, blitfunc) \
345 static void name(int x, int y) \
347 unsigned short *vram = psx_vram; \
348 unsigned char *dst = (unsigned char *)g_menuscreen_ptr + \
349 (fb_offset_y * 320 + fb_offset_x) * psx_bpp / 8; \
350 unsigned int src = (y + psx_offset_y) * 1024 + x + psx_offset_x; \
351 int dst_stride = 320 * psx_bpp / 8; \
352 int len = psx_width * psx_bpp / 8; \
355 pcnt_start(PCNT_BLIT); \
357 for (i = psx_height; i > 0; i--, src += psx_step * 1024, dst += dst_stride) { \
359 blitfunc(dst, vram + src, len); \
362 if (psx_bpp == 16) { \
363 pl_vout_buf = g_menuscreen_ptr; \
364 pl_print_hud(320, fb_offset_y + psx_height, fb_offset_x); \
367 g_menuscreen_ptr = fb_flip(); \
370 pcnt_end(PCNT_BLIT); \
373 make_flip_func(raw_flip_soft, memcpy)
374 make_flip_func(raw_flip_soft_368, blit320_368)
375 make_flip_func(raw_flip_soft_512, blit320_512)
376 make_flip_func(raw_flip_soft_640, blit320_640)
378 static void *pl_vout_set_mode(int w, int h, int bpp)
380 static int old_w, old_h, old_bpp;
381 int poff_w, poff_h, w_max;
383 if (!w || !h || !bpp || (w == old_w && h == old_h && bpp == old_bpp))
386 printf("psx mode: %dx%d@%d\n", w, h, bpp);
388 switch (w + (bpp != 16)) {
390 pl_rearmed_cbs.pl_vout_raw_flip = raw_flip_soft_640;
394 pl_rearmed_cbs.pl_vout_raw_flip = raw_flip_soft_512;
399 pl_rearmed_cbs.pl_vout_raw_flip = raw_flip_soft_368;
403 pl_rearmed_cbs.pl_vout_raw_flip = have_warm ? raw_flip_dma : raw_flip_soft;
416 poff_w = w / 2 - w_max / 2;
421 fb_offset_x = 320/2 - w / 2;
423 poff_h = h / 2 - 240/2;
426 fb_offset_y = 240/2 - h / 2;
428 psx_offset_x = poff_w;
429 psx_offset_y = poff_h;
434 if (fb_offset_x || fb_offset_y) {
435 // not fullscreen, must clear borders
436 memset(g_menuscreen_ptr, 0, 320*240 * psx_bpp/8);
437 g_menuscreen_ptr = fb_flip();
438 memset(g_menuscreen_ptr, 0, 320*240 * psx_bpp/8);
441 pollux_changemode(bpp, 1);
443 pl_set_gun_rect(fb_offset_x, fb_offset_y, w > 320 ? 320 : w, h);
448 static void *pl_vout_flip(void)
453 static void save_multiple_regs(unsigned int *dest, int base, int count)
455 const volatile unsigned int *regs = memregl + base / 4;
458 for (i = 0; i < count; i++)
462 static void restore_multiple_regs(int base, const unsigned int *src, int count)
464 volatile unsigned int *regs = memregl + base / 4;
467 for (i = 0; i < count; i++)
473 const char *main_fb_name = "/dev/fb0";
474 struct fb_fix_screeninfo fbfix;
475 int rate, timer_div, timer_div2;
476 int fbdev, ret, warm_ret;
479 memdev = open("/dev/mem", O_RDWR);
481 perror("open(/dev/mem) failed");
485 memregs = mmap(0, 0x20000, PROT_READ|PROT_WRITE, MAP_SHARED, memdev, 0xc0000000);
486 if (memregs == MAP_FAILED) {
487 perror("mmap(memregs) failed");
490 memregl = (volatile void *)memregs;
492 // save video regs of both MLCs
493 save_multiple_regs(saved_video_regs[0], 0x4058, ARRAY_SIZE(saved_video_regs[0]));
494 save_multiple_regs(saved_video_regs[1], 0x4458, ARRAY_SIZE(saved_video_regs[1]));
496 fbdev = open(main_fb_name, O_RDWR);
498 fprintf(stderr, "%s: ", main_fb_name);
503 ret = ioctl(fbdev, FBIOGET_FSCREENINFO, &fbfix);
505 perror("ioctl(fbdev) failed");
508 printf("framebuffer: \"%s\" @ %08lx\n", fbfix.id, fbfix.smem_start);
509 fb_paddrs[0] = fbfix.smem_start;
510 fb_paddrs[1] = fb_paddrs[0] + 320*240*4; // leave space for 24bpp
512 fb_vaddrs[0] = mmap(0, FB_VRAM_SIZE, PROT_READ|PROT_WRITE,
513 MAP_SHARED, memdev, fb_paddrs[0]);
514 if (fb_vaddrs[0] == MAP_FAILED) {
515 perror("mmap(fb_vaddrs) failed");
518 fb_vaddrs[1] = (char *)fb_vaddrs[0] + 320*240*4;
520 pollux_changemode(16, 0);
521 g_menuscreen_w = 320;
522 g_menuscreen_h = 240;
523 g_menuscreen_ptr = fb_flip();
525 g_menubg_ptr = calloc(320*240*2, 1);
526 if (g_menubg_ptr == NULL) {
527 fprintf(stderr, "OOM\n");
531 warm_ret = warm_init();
532 have_warm = warm_ret == 0;
533 warm_change_cb_upper(WCB_B_BIT, 1);
535 /* some firmwares have sys clk on PLL0, we can't adjust CPU clock
536 * by reprogramming the PLL0 then, as it overclocks system bus */
537 if ((memregl[0xf000>>2] & 0x03000030) == 0x01000000)
538 cpu_clock_allowed = 1;
540 cpu_clock_allowed = 0;
541 fprintf(stderr, "unexpected PLL config (%08x), overclocking disabled\n",
545 /* find what PLL1 runs at, for the timer */
546 rate = decode_pll(memregl[0xf008>>2]);
547 printf("PLL1 @ %dHz\n", rate);
550 timer_div = (rate + 500000) / 1000000;
552 while (timer_div > 256) {
556 if (1 <= timer_div && timer_div <= 256 && timer_div2 < 4) {
557 int timer_rate = (rate >> timer_div2) / timer_div;
558 if (TIMER_REG(0x08) & 8) {
559 fprintf(stderr, "warning: timer in use, overriding!\n");
562 if (timer_rate != 1000000)
563 fprintf(stderr, "warning: timer drift %d us\n", timer_rate - 1000000);
565 timer_div2 = (timer_div2 + 3) & 3;
566 TIMER_REG(0x44) = ((timer_div - 1) << 4) | 2; /* using PLL1 */
567 TIMER_REG(0x40) = 0x0c; /* clocks on */
568 TIMER_REG(0x08) = 0x68 | timer_div2; /* run timer, clear irq, latch value */
571 fprintf(stderr, "warning: could not make use of timer\n");
574 DMA_REG(0x0c) = 0x20000; // pending IRQ clear
576 battdev = open("/dev/pollux_batt", O_RDONLY);
578 perror("Warning: could't open pollux_batt");
580 f = fopen("/dev/accel", "rb");
582 printf("detected Caanoo\n");
583 gp2x_dev_id = GP2X_DEV_CAANOO;
587 printf("detected Wiz\n");
588 gp2x_dev_id = GP2X_DEV_WIZ;
594 if (gp2x_dev_id == GP2X_DEV_CAANOO)
597 mixerdev = open("/dev/mixer", O_RDWR);
599 perror("open(/dev/mixer)");
601 pl_rearmed_cbs.pl_vout_flip = pl_vout_flip;
602 pl_rearmed_cbs.pl_vout_raw_flip = have_warm ? raw_flip_dma : raw_flip_soft;
603 pl_rearmed_cbs.pl_vout_set_mode = pl_vout_set_mode;
604 pl_rearmed_cbs.pl_vout_set_raw_vram = pl_vout_set_raw_vram;
611 void plat_finish(void)
616 memset(fb_vaddrs[0], 0, FB_VRAM_SIZE);
617 restore_multiple_regs(0x4058, saved_video_regs[0], ARRAY_SIZE(saved_video_regs[0]));
618 restore_multiple_regs(0x4458, saved_video_regs[1], ARRAY_SIZE(saved_video_regs[1]));
619 memregl[0x4058>>2] |= 0x10;
620 memregl[0x4458>>2] |= 0x10;
621 munmap(fb_vaddrs[0], FB_VRAM_SIZE);
628 munmap((void *)memregs, 0x20000);
632 void in_update_analogs(void)
636 /* Caanoo stuff, perhaps move later */
637 #include <linux/input.h>
639 struct in_default_bind in_evdev_defbinds[] = {
640 { KEY_UP, IN_BINDTYPE_PLAYER12, DKEY_UP },
641 { KEY_DOWN, IN_BINDTYPE_PLAYER12, DKEY_DOWN },
642 { KEY_LEFT, IN_BINDTYPE_PLAYER12, DKEY_LEFT },
643 { KEY_RIGHT, IN_BINDTYPE_PLAYER12, DKEY_RIGHT },
644 { BTN_TOP, IN_BINDTYPE_PLAYER12, DKEY_TRIANGLE },
645 { BTN_THUMB, IN_BINDTYPE_PLAYER12, DKEY_CROSS },
646 { BTN_THUMB2, IN_BINDTYPE_PLAYER12, DKEY_CIRCLE },
647 { BTN_TRIGGER, IN_BINDTYPE_PLAYER12, DKEY_SQUARE },
648 { BTN_BASE3, IN_BINDTYPE_PLAYER12, DKEY_START },
649 { BTN_BASE4, IN_BINDTYPE_PLAYER12, DKEY_SELECT },
650 { BTN_TOP2, IN_BINDTYPE_PLAYER12, DKEY_L1 },
651 { BTN_PINKIE, IN_BINDTYPE_PLAYER12, DKEY_R1 },
652 { BTN_BASE, IN_BINDTYPE_EMU, SACTION_ENTER_MENU },
656 static const char * const caanoo_keys[KEY_MAX + 1] = {
657 [0 ... KEY_MAX] = NULL,
660 [KEY_RIGHT] = "Right",
669 [BTN_BASE2] = "Lock",
672 [BTN_BASE5] = "Push",
678 short time, strength;
682 #define HAPTIC_IOCTL_MAGIC 'I'
683 #define HAPTIC_PLAY_PATTERN _IOW(HAPTIC_IOCTL_MAGIC, 4, struct haptic_data)
684 #define HAPTIC_INDIVIDUAL_MODE _IOW(HAPTIC_IOCTL_MAGIC, 5, unsigned int)
685 #define HAPTIC_SET_VIB_LEVEL _IOW(HAPTIC_IOCTL_MAGIC, 9, unsigned int)
687 static int hapticdev = -1;
688 static struct haptic_data haptic_seq;
690 static int haptic_init(void)
696 f = fopen("haptic.txt", "r");
698 perror("fopen(haptic.txt)");
702 for (i = 0; i < sizeof(haptic_seq.actions) / sizeof(haptic_seq.actions[0]); ) {
703 p = fgets(buf, sizeof(buf), f);
706 while (*p != 0 && *p == ' ')
708 if (*p == 0 || *p == ';' || *p == '#')
711 ret = sscanf(buf, "%d %d", &v1, &v2);
713 fprintf(stderr, "can't parse: %s", buf);
717 haptic_seq.actions[i].time = v1;
718 haptic_seq.actions[i].strength = v2;
724 fprintf(stderr, "bad haptic.txt\n");
727 haptic_seq.count = i;
729 hapticdev = open("/dev/isa1200", O_RDWR | O_NONBLOCK);
730 if (hapticdev == -1) {
731 perror("open(/dev/isa1200)");
736 ret = ioctl(hapticdev, HAPTIC_INDIVIDUAL_MODE, &i); /* use 2 of them */
738 ret |= ioctl(hapticdev, HAPTIC_SET_VIB_LEVEL, &i); /* max */
740 fprintf(stderr, "haptic ioctls failed\n");
749 void plat_trigger_vibrate(void)
754 return; // it's broken
763 ioctl(hapticdev, HAPTIC_PLAY_PATTERN, &haptic_seq);
767 struct in_default_bind in_gp2x_defbinds[] =
770 { GP2X_BTN_UP, IN_BINDTYPE_PLAYER12, DKEY_UP },
771 { GP2X_BTN_DOWN, IN_BINDTYPE_PLAYER12, DKEY_DOWN },
772 { GP2X_BTN_LEFT, IN_BINDTYPE_PLAYER12, DKEY_LEFT },
773 { GP2X_BTN_RIGHT, IN_BINDTYPE_PLAYER12, DKEY_RIGHT },
774 { GP2X_BTN_X, IN_BINDTYPE_PLAYER12, DKEY_CROSS },
775 { GP2X_BTN_B, IN_BINDTYPE_PLAYER12, DKEY_CIRCLE },
776 { GP2X_BTN_A, IN_BINDTYPE_PLAYER12, DKEY_SQUARE },
777 { GP2X_BTN_Y, IN_BINDTYPE_PLAYER12, DKEY_TRIANGLE },
778 { GP2X_BTN_L, IN_BINDTYPE_PLAYER12, DKEY_L1 },
779 { GP2X_BTN_R, IN_BINDTYPE_PLAYER12, DKEY_R1 },
780 { GP2X_BTN_START, IN_BINDTYPE_PLAYER12, DKEY_START },
781 { GP2X_BTN_SELECT, IN_BINDTYPE_EMU, SACTION_ENTER_MENU },
782 { GP2X_BTN_VOL_UP, IN_BINDTYPE_EMU, SACTION_VOLUME_UP },
783 { GP2X_BTN_VOL_DOWN, IN_BINDTYPE_EMU, SACTION_VOLUME_DOWN },
787 void plat_step_volume(int is_up)
789 static int volume = 50;
797 if (volume > 255) volume = 255;
801 if (volume < 0) volume = 0;
806 ret = ioctl(mixerdev, SOUND_MIXER_WRITE_PCM, &val);
811 // unused dummy for in_gp2x
812 volatile unsigned short *gp2x_memregs;
814 static void caanoo_init(void)
816 in_set_config(in_name_to_id("evdev:pollux-analog"), IN_CFG_KEY_NAMES,
817 caanoo_keys, sizeof(caanoo_keys));