some ts support, currently for Pico only
[picodrive.git] / platform / linux / gp2x.c
CommitLineData
cc68a136 1/* faking/emulating gp2x.c by using gtk */
2#include <stdio.h>
3#include <stdlib.h>
4#include <string.h>
5#include <pthread.h>
69996cb7 6#include <semaphore.h>
cc68a136 7#include <gtk/gtk.h>
8
9#include <unistd.h>
10#include <sys/types.h>
11#include <sys/stat.h>
12#include <sys/ioctl.h>
13#include <sys/soundcard.h>
14#include <fcntl.h>
15#include <errno.h>
16
17#include "../gp2x/emu.h"
18#include "../gp2x/gp2x.h"
19#include "../gp2x/usbjoy.h"
20#include "../gp2x/version.h"
21
4f65685b 22#include "log_io.h"
23
cc68a136 24void *gp2x_screen;
25static int current_bpp = 8;
26static int current_pal[256];
27static unsigned long current_keys = 0;
28static int sounddev = 0, mixerdev = 0;
29static const char *verstring = "PicoDrive " VERSION;
30
31// dummies
32char *ext_menu = 0, *ext_state = 0;
f53f286a 33int mix_32_to_16l_level;
cc68a136 34
35/* gtk */
36struct gtk_global_struct
37{
38 GtkWidget *window;
39 GtkWidget *pixmap1;
40} gtk_items;
41
42
43static gboolean delete_event (GtkWidget *widget, GdkEvent *event, gpointer data)
44{
45 return FALSE;
46}
47
48static void destroy (GtkWidget *widget, gpointer data)
49{
50 gtk_main_quit ();
51}
52
53static gint key_press_event (GtkWidget *widget, GdkEventKey *event)
54{
55 switch (event->hardware_keycode)
56 {
57 case 0x62: current_keys |= GP2X_UP; break;
58 case 0x68: current_keys |= GP2X_DOWN; break;
59 case 0x64: current_keys |= GP2X_LEFT; break;
60 case 0x66: current_keys |= GP2X_RIGHT; break;
61 case 0x24: current_keys |= GP2X_START; break; // enter
62 case 0x23: current_keys |= GP2X_SELECT;break; // ]
63 case 0x34: current_keys |= GP2X_A; break; // z
64 case 0x35: current_keys |= GP2X_X; break; // x
65 case 0x36: current_keys |= GP2X_B; break; // c
66 case 0x37: current_keys |= GP2X_Y; break; // v
67 case 0x27: current_keys |= GP2X_L; break; // s
68 case 0x28: current_keys |= GP2X_R; break; // d
69 case 0x29: current_keys |= GP2X_PUSH; break; // f
70 case 0x18: current_keys |= GP2X_VOL_DOWN;break; // q
71 case 0x19: current_keys |= GP2X_VOL_UP;break; // w
4f65685b 72 case 0x2d: log_io_clear(); break; // k
73 case 0x2e: log_io_dump(); break; // l
1e6b5e39 74 case 0x17: { // tab
75 extern int PicoReset(void);
76 PicoReset();
77 break;
78 }
cc68a136 79 }
80
81 return 0;
82}
83
84static gint key_release_event (GtkWidget *widget, GdkEventKey *event)
85{
86 switch (event->hardware_keycode)
87 {
88 case 0x62: current_keys &= ~GP2X_UP; break;
89 case 0x68: current_keys &= ~GP2X_DOWN; break;
90 case 0x64: current_keys &= ~GP2X_LEFT; break;
91 case 0x66: current_keys &= ~GP2X_RIGHT; break;
92 case 0x24: current_keys &= ~GP2X_START; break; // enter
93 case 0x23: current_keys &= ~GP2X_SELECT;break; // ]
94 case 0x34: current_keys &= ~GP2X_A; break; // z
95 case 0x35: current_keys &= ~GP2X_X; break; // x
96 case 0x36: current_keys &= ~GP2X_B; break; // c
97 case 0x37: current_keys &= ~GP2X_Y; break; // v
98 case 0x27: current_keys &= ~GP2X_L; break; // s
99 case 0x28: current_keys &= ~GP2X_R; break; // d
100 case 0x29: current_keys &= ~GP2X_PUSH; break; // f
101 case 0x18: current_keys &= ~GP2X_VOL_DOWN;break; // q
102 case 0x19: current_keys &= ~GP2X_VOL_UP;break; // w
103 }
104
105 return 0;
106}
107
69996cb7 108static void *gtk_threadf(void *targ)
cc68a136 109{
110 int argc = 0;
111 char *argv[] = { "" };
112 GtkWidget *box;
69996cb7 113 sem_t *sem = targ;
cc68a136 114
115 g_thread_init (NULL);
116 gdk_threads_init ();
117 gdk_set_locale ();
118 gtk_init (&argc, (char ***) &argv);
119
120 /* create new window */
121 gtk_items.window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
122 g_signal_connect (G_OBJECT (gtk_items.window), "delete_event",
123 G_CALLBACK (delete_event), NULL);
124
125 g_signal_connect (G_OBJECT (gtk_items.window), "destroy",
126 G_CALLBACK (destroy), NULL);
127
128 g_signal_connect (G_OBJECT (gtk_items.window), "key_press_event",
129 G_CALLBACK (key_press_event), NULL);
130
131 g_signal_connect (G_OBJECT (gtk_items.window), "key_release_event",
132 G_CALLBACK (key_release_event), NULL);
133
134 gtk_container_set_border_width (GTK_CONTAINER (gtk_items.window), 2);
135 gtk_window_set_title ((GtkWindow *) gtk_items.window, verstring);
136
137 box = gtk_hbox_new(FALSE, 0);
138 gtk_widget_show(box);
139 gtk_container_add (GTK_CONTAINER (gtk_items.window), box);
140
141 /* live pixmap */
142 gtk_items.pixmap1 = gtk_image_new ();
143 gtk_container_add (GTK_CONTAINER (box), gtk_items.pixmap1);
144 gtk_widget_show (gtk_items.pixmap1);
145 gtk_widget_set_size_request (gtk_items.pixmap1, 320, 240);
146
147 gtk_widget_show (gtk_items.window);
148
69996cb7 149 sem_post(sem);
150
151 gtk_main();
152
153 printf("linux: gtk thread finishing\n");
154 exit(1);
155
156 return NULL;
157}
158
159static void gtk_initf(void)
160{
161 pthread_t gtk_thread;
162 sem_t sem;
163 sem_init(&sem, 0, 0);
164
165 pthread_create(&gtk_thread, NULL, gtk_threadf, &sem);
166 pthread_detach(gtk_thread);
cc68a136 167
69996cb7 168 sem_wait(&sem);
169 sem_close(&sem);
cc68a136 170}
171
172void finalize_image(guchar *pixels, gpointer data)
173{
174 free(pixels);
175}
176
177/* --- */
178
179void gp2x_init(void)
180{
181 printf("entering init()\n"); fflush(stdout);
182
183 gp2x_screen = malloc(320*240*2 + 320*2);
83bd0b76 184 memset(gp2x_screen, 0, 320*240*2 + 320*2);
cc68a136 185
186 // snd
187 mixerdev = open("/dev/mixer", O_RDWR);
188 if (mixerdev == -1)
189 printf("open(\"/dev/mixer\") failed with %i\n", errno);
190
191 gtk_initf();
192
193 gp2x_usbjoy_init();
194
195 printf("exitting init()\n"); fflush(stdout);
196}
197
198void gp2x_deinit(void)
199{
200 free(gp2x_screen);
201 if (sounddev > 0) close(sounddev);
202 close(mixerdev);
203 gp2x_usbjoy_deinit();
204}
205
206/* video */
207void gp2x_video_flip(void)
208{
209 GdkPixbuf *pixbuf;
210 unsigned char *image;
211 int i;
212
213 gdk_threads_enter();
214
215 image = malloc (320*240*3);
216 if (image == NULL)
217 {
218 gdk_threads_leave();
219 return;
220 }
221
222 if (current_bpp == 8)
223 {
224 unsigned char *pixels = gp2x_screen;
225 int pix;
226
227 for (i = 0; i < 320*240; i++)
228 {
229 pix = current_pal[pixels[i]];
230 image[3 * i + 0] = pix >> 16;
231 image[3 * i + 1] = pix >> 8;
232 image[3 * i + 2] = pix;
233 }
234 }
235 else
236 {
237 unsigned short *pixels = gp2x_screen;
238
239 for (i = 0; i < 320*240; i++)
240 {
241 /* in: rrrr rggg gggb bbbb */
242 /* out: rrrr r000 gggg gg00 bbbb b000 */
243 image[3 * i + 0] = (pixels[i] >> 8) & 0xf8;
244 image[3 * i + 1] = (pixels[i] >> 3) & 0xfc;
245 image[3 * i + 2] = (pixels[i] << 3);
246 }
247 }
248
249 pixbuf = gdk_pixbuf_new_from_data (image, GDK_COLORSPACE_RGB,
250 FALSE, 8, 320, 240, 320*3, finalize_image, NULL);
251 gtk_image_set_from_pixbuf (GTK_IMAGE (gtk_items.pixmap1), pixbuf);
252 g_object_unref (pixbuf);
253
254 gdk_threads_leave();
255}
256
e11c5548 257void gp2x_video_flip2(void)
258{
259 gp2x_video_flip();
260}
261
cc68a136 262void gp2x_video_changemode(int bpp)
263{
264 current_bpp = bpp;
265}
266
e11c5548 267void gp2x_video_changemode2(int bpp)
268{
269 current_bpp = bpp;
270}
271
cc68a136 272void gp2x_video_setpalette(int *pal, int len)
273{
274 memcpy(current_pal, pal, len*4);
275}
276
a12e0116 277void gp2x_video_flush_cache(void)
278{
279}
280
2433f409 281void gp2x_video_RGB_setscaling(int v_offs, int W, int H)
cc68a136 282{
283}
284
68cba51e 285void gp2x_memcpy_buffers(int buffers, void *data, int offset, int len)
286{
a12e0116 287 if ((char *)gp2x_screen + offset != data)
288 memcpy((char *)gp2x_screen + offset, data, len);
68cba51e 289}
290
cc68a136 291void gp2x_memcpy_all_buffers(void *data, int offset, int len)
292{
293 memcpy((char *)gp2x_screen + offset, data, len);
294}
295
296
297void gp2x_memset_all_buffers(int offset, int byte, int len)
298{
299 memset((char *)gp2x_screen + offset, byte, len);
300}
301
e11c5548 302void gp2x_pd_clone_buffer2(void)
303{
a12e0116 304 memset(gp2x_screen, 0, 320*240*2);
e11c5548 305}
cc68a136 306
307/* sound */
308static int s_oldrate = 0, s_oldbits = 0, s_oldstereo = 0;
309
310void gp2x_start_sound(int rate, int bits, int stereo)
311{
312 int frag = 0, bsize, buffers;
313
314 // if no settings change, we don't need to do anything
315 if (rate == s_oldrate && s_oldbits == bits && s_oldstereo == stereo) return;
316
317 if (sounddev > 0) close(sounddev);
318 sounddev = open("/dev/dsp", O_WRONLY|O_ASYNC);
319 if (sounddev == -1)
320 printf("open(\"/dev/dsp\") failed with %i\n", errno);
321
322 ioctl(sounddev, SNDCTL_DSP_SPEED, &rate);
323 ioctl(sounddev, SNDCTL_DSP_SETFMT, &bits);
324 ioctl(sounddev, SNDCTL_DSP_STEREO, &stereo);
325 // calculate buffer size
326 buffers = 16;
327 bsize = rate / 32;
328 if (rate > 22050) { bsize*=4; buffers*=2; } // 44k mode seems to be very demanding
329 while ((bsize>>=1)) frag++;
330 frag |= buffers<<16; // 16 buffers
331 ioctl(sounddev, SNDCTL_DSP_SETFRAGMENT, &frag);
332 printf("gp2x_set_sound: %i/%ibit/%s, %i buffers of %i bytes\n",
333 rate, bits, stereo?"stereo":"mono", frag>>16, 1<<(frag&0xffff));
334
335 s_oldrate = rate; s_oldbits = bits; s_oldstereo = stereo;
336}
337
338void gp2x_sound_write(void *buff, int len)
339{
340 write(sounddev, buff, len);
341}
342
cb0316e4 343void gp2x_sound_sync(void)
344{
345 ioctl(sounddev, SOUND_PCM_SYNC, 0);
346}
347
cc68a136 348void gp2x_sound_volume(int l, int r)
349{
350 l=l<0?0:l; l=l>255?255:l; r=r<0?0:r; r=r>255?255:r;
351 l<<=8; l|=r;
352 ioctl(mixerdev, SOUND_MIXER_WRITE_PCM, &l); /*SOUND_MIXER_WRITE_VOLUME*/
353}
354
355/* joy */
356unsigned long gp2x_joystick_read(int allow_usb_joy)
357{
358 unsigned long value = current_keys;
359 int i;
360
361 if (allow_usb_joy && num_of_joys > 0) {
362 // check the usb joy as well..
363 gp2x_usbjoy_update();
364 for (i = 0; i < num_of_joys; i++)
365 value |= gp2x_usbjoy_check(i);
366 }
367
368 return value;
369}
370
85a4b5a4 371int gp2x_touchpad_read(int *x, int *y)
372{
373 return -1;
374}
375
cc68a136 376/* 940 */
377int crashed_940 = 0;
378void Pause940(int yes)
379{
380}
381
b837b69b 382void Reset940(int yes, int bank)
cc68a136 383{
384}
385
386/* faking gp2x cpuctrl.c */
387void cpuctrl_init(void)
388{
389}
390
391void cpuctrl_deinit(void)
392{
393}
394
395void set_FCLK(unsigned MHZ)
396{
397}
398
399void Disable_940(void)
400{
401}
402
403void gp2x_video_wait_vsync(void)
404{
405}
406
407void set_RAM_Timings(int tRC, int tRAS, int tWR, int tMRD, int tRFC, int tRP, int tRCD)
408{
409}
410
82bc9cdd 411void set_gamma(int g100, int A_SNs_curve)
cc68a136 412{
413}
414
4e8a534c 415void set_LCD_custom_rate(int rate)
416{
417}
418
419void unset_LCD_custom_rate(void)
420{
421}
cc68a136 422
423/* squidgehack.c */
424int mmuhack(void)
425{
426 return 0;
427}
428
429
430int mmuunhack(void)
431{
432 return 0;
433}
434
435
436/* misc */
437void spend_cycles(int c)
438{
46969540 439 usleep(c/200);
cc68a136 440}
441
ca61ee42 442/* lprintf */
443void lprintf(const char *fmt, ...)
444{
445 va_list vl;
cc68a136 446
ca61ee42 447 va_start(vl, fmt);
448 vprintf(fmt, vl);
449 va_end(vl);
450}
cc68a136 451