summaryrefslogtreecommitdiffstats
path: root/apps/plugin.h
blob: 286ca4087f3a2dad63db9e6a07a387ec610a6405 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
/***************************************************************************
 *             __________               __   ___.
 *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
 *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
 *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
 *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
 *                     \/            \/     \/    \/            \/
 * $Id$
 *
 * Copyright (C) 2002 Björn Stenberg
 *
 * All files in this archive are subject to the GNU General Public License.
 * See the file COPYING in the source tree root for full license agreement.
 *
 * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
 * KIND, either express or implied.
 *
 ****************************************************************************/
#ifndef _PLUGIN_H_
#define _PLUGIN_H_

/* instruct simulator code to not redefine any symbols when compiling plugins.
   (the PLUGIN macro is defined in apps/plugins/Makefile) */
#ifdef PLUGIN
#define NO_REDEFINES_PLEASE
#endif

#ifndef MEM
#define MEM 2
#endif

#include <stdbool.h>
#include <stdio.h>
#include <stdlib.h>
#include <sys/types.h>
#include "config.h"
#include "dir.h"
#include "kernel.h"
#include "button.h"
#include "usb.h"
#include "font.h"
#include "system.h"
#include "lcd.h"
#include "id3.h"
#include "mpeg.h"
#include "audio.h"
#include "mp3_playback.h"
#ifdef RB_PROFILE
#include "profile.h"
#endif
#include "misc.h"
#if (HWCODEC == SWCODEC)
#include "pcm_playback.h"
#endif
#include "settings.h"
#include "timer.h"
#include "thread.h"
#include "playlist.h"
#ifdef HAVE_LCD_BITMAP
#include "widgets.h"
#endif
#include "sound.h"
#include "menu.h"
#include "rbunicode.h"

#ifdef HAVE_REMOTE_LCD
#include "lcd-remote.h"
#endif

#ifdef PLUGIN

#if defined(DEBUG) || defined(SIMULATOR)
#undef DEBUGF
#define DEBUGF  rb->debugf
#undef LDEBUGF
#define LDEBUGF rb->debugf
#else
#define DEBUGF(...)
#define LDEBUGF(...)
#endif

#ifdef ROCKBOX_HAS_LOGF
#undef LOGF
#define LOGF rb->logf
#else
#define LOGF(...)
#endif

#endif

#ifdef SIMULATOR
#define PREFIX(_x_) sim_ ## _x_
#else
#define PREFIX(_x_) _x_
#endif

#define PLUGIN_MAGIC 0x526F634B /* RocK */

/* increase this every time the api struct changes */
#define PLUGIN_API_VERSION 7

/* update this to latest version if a change to the api struct breaks
   backwards compatibility (and please take the opportunity to sort in any 
   new function which are "waiting" at the end of the function table) */
#define PLUGIN_MIN_API_VERSION 7

/* plugin return codes */
enum plugin_status {
    PLUGIN_OK = 0,
    PLUGIN_USB_CONNECTED,
    PLUGIN_ERROR = -1,
};

/* NOTE: To support backwards compatibility, only add new functions at
         the end of the structure.  Every time you add a new function,
         remember to increase PLUGIN_API_VERSION.  If you make changes to the
         existing APIs then also update PLUGIN_MIN_API_VERSION to current
         version
 */
struct plugin_api {

    /* lcd */
    void (*lcd_set_contrast)(int x);
    void (*lcd_clear_display)(void);
    void (*lcd_puts)(int x, int y, const unsigned char *string);
    void (*lcd_puts_scroll)(int x, int y, const unsigned char* string);
    void (*lcd_stop_scroll)(void);
#ifdef HAVE_LCD_CHARCELLS
    void (*lcd_define_pattern)(int which,const char *pattern);
    unsigned char (*lcd_get_locked_pattern)(void);
    void (*lcd_unlock_pattern)(unsigned char pat);
    void (*lcd_putc)(int x, int y, unsigned short ch);
    void (*lcd_put_cursor)(int x, int y, char cursor_char);
    void (*lcd_remove_cursor)(void);
    void (*PREFIX(lcd_icon))(int icon, bool enable);
    void (*lcd_double_height)(bool on);
#else
#ifndef SIMULATOR
    void (*lcd_roll)(int pixels);
#endif
    void (*lcd_set_drawmode)(int mode);
    int  (*lcd_get_drawmode)(void);
    void (*lcd_setfont)(int font);
    int  (*lcd_getstringsize)(const unsigned char *str, int *w, int *h);
    void (*lcd_drawpixel)(int x, int y);
    void (*lcd_drawline)(int x1, int y1, int x2, int y2);
    void (*lcd_hline)(int x1, int x2, int y);
    void (*lcd_vline)(int x, int y1, int y2);
    void (*lcd_drawrect)(int x, int y, int width, int height);
    void (*lcd_fillrect)(int x, int y, int width, int height);
    void (*lcd_mono_bitmap_part)(const unsigned char *src, int src_x, int src_y,
                                 int stride, int x, int y, int width, int height);
    void (*lcd_mono_bitmap)(const unsigned char *src, int x, int y,
                            int width, int height);
#if LCD_DEPTH > 1
    void     (*lcd_set_foreground)(unsigned foreground);
    unsigned (*lcd_get_foreground)(void);
    void     (*lcd_set_background)(unsigned foreground);
    unsigned (*lcd_get_background)(void);
    void (*lcd_bitmap_part)(const fb_data *src, int src_x, int src_y,
                            int stride, int x, int y, int width, int height);
    void (*lcd_bitmap)(const fb_data *src, int x, int y, int width,
                       int height);
#endif
#if LCD_DEPTH == 16
    void (*lcd_bitmap_transparent_part)(const fb_data *src,
            int src_x, int src_y, int stride,
            int x, int y, int width, int height);
  	void (*lcd_bitmap_transparent)(const fb_data *src, int x, int y,
            int width, int height);
#endif
    void (*lcd_putsxy)(int x, int y, const unsigned char *string);
    void (*lcd_puts_style)(int x, int y, const unsigned char *str, int style);
    void (*lcd_puts_scroll_style)(int x, int y, const unsigned char* string,
                                  int style);
    fb_data* lcd_framebuffer;
    void (*lcd_blit) (const fb_data* data, int x, int by, int width,
                      int bheight, int stride);
    void (*lcd_update)(void);
    void (*lcd_update_rect)(int x, int y, int width, int height);
    void (*scrollbar)(int x, int y, int width, int height, int items,
                      int min_shown, int max_shown, int orientation);
    void (*checkbox)(int x, int y, int width, int height, bool checked);
    struct font* (*font_get)(int font);
    int  (*font_getstringsize)(const unsigned char *str, int *w, int *h,
                               int fontnumber);
    int (*font_get_width)(struct font* pf, unsigned short char_code);
#endif
    void (*backlight_on)(void);
    void (*backlight_off)(void);
    void (*backlight_set_timeout)(int index);
    void (*splash)(int ticks, bool center, const unsigned char *fmt, ...);

#ifdef HAVE_REMOTE_LCD
    /* remote lcd */
    void (*lcd_remote_set_contrast)(int x);
    void (*lcd_remote_clear_display)(void);
    void (*lcd_remote_puts)(int x, int y, const unsigned char *string);
    void (*lcd_remote_lcd_puts_scroll)(int x, int y, const unsigned char* string);
    void (*lcd_remote_lcd_stop_scroll)(void);
#ifndef SIMULATOR
    void (*lcd_remote_roll)(int pixels);
#endif
    void (*lcd_remote_set_drawmode)(int mode);
    int  (*lcd_remote_get_drawmode)(void);
    void (*lcd_remote_setfont)(int font);
    int  (*lcd_remote_getstringsize)(const unsigned char *str, int *w, int *h);
    void (*lcd_remote_drawpixel)(int x, int y);
    void (*lcd_remote_drawline)(int x1, int y1, int x2, int y2);
    void (*lcd_remote_hline)(int x1, int x2, int y);
    void (*lcd_remote_vline)(int x, int y1, int y2);
    void (*lcd_remote_drawrect)(int x, int y, int nx, int ny);
    void (*lcd_remote_fillrect)(int x, int y, int nx, int ny);
    void (*lcd_remote_mono_bitmap_part)(const unsigned char *src, int src_x,
                                        int src_y, int stride, int x, int y,
                                        int width, int height);
    void (*lcd_remote_mono_bitmap)(const unsigned char *src, int x, int y,
                                   int width, int height);
    void (*lcd_remote_putsxy)(int x, int y, const unsigned char *string);
    void (*lcd_remote_puts_style)(int x, int y, const unsigned char *str, int style);
    void (*lcd_remote_puts_scroll_style)(int x, int y, const unsigned char* string,
                                         int style);
    unsigned char* lcd_remote_framebuffer;
    void (*lcd_remote_update)(void);
    void (*lcd_remote_update_rect)(int x, int y, int width, int height);

    void (*remote_backlight_on)(void);
    void (*remote_backlight_off)(void);
#endif

    /* button */
    long (*button_get)(bool block);
    long (*button_get_w_tmo)(int ticks);
    int (*button_status)(void);
    void (*button_clear_queue)(void);
#if CONFIG_KEYPAD == IRIVER_H100_PAD
    bool (*button_hold)(void);
#endif

    /* file */
    int (*PREFIX(open))(const char* pathname, int flags);
    int (*close)(int fd);
    ssize_t (*read)(int fd, void* buf, size_t count);
    off_t (*PREFIX(lseek))(int fd, off_t offset, int whence);
    int (*PREFIX(creat))(const char *pathname, mode_t mode);
    ssize_t (*write)(int fd, const void* buf, size_t count);
    int (*PREFIX(remove))(const char* pathname);
    int (*PREFIX(rename))(const char* path, const char* newname);
    int (*PREFIX(ftruncate))(int fd, off_t length);
    off_t (*PREFIX(filesize))(int fd);
    int (*fdprintf)(int fd, const char *fmt, ...);
    int (*read_line)(int fd, char* buffer, int buffer_size);
    bool (*settings_parseline)(char* line, char** name, char** value);
#ifndef SIMULATOR
    void (*ata_sleep)(void);
    bool (*ata_disk_is_active)(void);
#endif
    
    /* dir */
    DIR* (*PREFIX(opendir))(const char* name);
    int (*PREFIX(closedir))(DIR* dir);
    struct dirent* (*PREFIX(readdir))(DIR* dir);
    int (*PREFIX(mkdir))(const char *name, int mode);

    /* kernel/ system */
    void (*PREFIX(sleep))(int ticks);
    void (*yield)(void);
    long* current_tick;
    long (*default_event_handler)(long event);
    long (*default_event_handler_ex)(long event, void (*callback)(void *), void *parameter);
    int (*create_thread)(void (*function)(void), void* stack, int stack_size, const char *name);
    void (*remove_thread)(int threadnum);
    void (*reset_poweroff_timer)(void);
#ifndef SIMULATOR
    int (*system_memory_guard)(int newmode);
    long *cpu_frequency;
#ifdef HAVE_ADJUSTABLE_CPU_FREQ
    void (*cpu_boost)(bool on_off);
#endif
    bool (*timer_register)(int reg_prio, void (*unregister_callback)(void),
                           long cycles, int int_prio,
                           void (*timer_callback)(void));
    void (*timer_unregister)(void);
    bool (*timer_set_period)(long count);
#endif
    void (*queue_init)(struct event_queue *q);
    void (*queue_delete)(struct event_queue *q);
    void (*queue_post)(struct event_queue *q, long id, void *data);
    void (*queue_wait_w_tmo)(struct event_queue *q, struct event *ev,
            int ticks);
    void (*usb_acknowledge)(long id);
#ifdef RB_PROFILE
    void (*profile_thread)(void);
    void (*profstop)(void);
    void (*profile_func_enter)(void *this_fn, void *call_site);
    void (*profile_func_exit)(void *this_fn, void *call_site);
#endif

    /* strings and memory */
    int (*snprintf)(char *buf, size_t size, const char *fmt, ...);
    char* (*strcpy)(char *dst, const char *src);
    char* (*strncpy)(char *dst, const char *src, size_t length);
    size_t (*strlen)(const char *str);
    char * (*strrchr)(const char *s, int c);
    int (*strcmp)(const char *, const char *);
    int (*strncmp)(const char *, const char *, size_t);
    int (*strcasecmp)(const char *, const char *);
    int (*strncasecmp)(const char *s1, const char *s2, size_t n);
    void* (*memset)(void *dst, int c, size_t length);
    void* (*memcpy)(void *out, const void *in, size_t n);
    void* (*memmove)(void *out, const void *in, size_t n);
    const unsigned char *_ctype_;
    int (*atoi)(const char *str);
    char *(*strchr)(const char *s, int c);
    char *(*strcat)(char *s1, const char *s2);
    int (*memcmp)(const void *s1, const void *s2, size_t n);
    char *(*strcasestr) (const char* phaystack, const char* pneedle);
    /* unicode stuff */
    const unsigned char* (*utf8decode)(const unsigned char *utf8, unsigned short *ucs);
    unsigned char* (*iso_decode)(const unsigned char *iso, unsigned char *utf8, int cp, int count);
    unsigned char* (*utf16LEdecode)(const unsigned char *utf16, unsigned char *utf8, unsigned int count);
    unsigned char* (*utf16BEdecode)(const unsigned char *utf16, unsigned char *utf8, unsigned int count);
    unsigned char* (*utf8encode)(unsigned long ucs, unsigned char *utf8);
    unsigned long (*utf8length)(const unsigned char *utf8);

    /* sound */
    void (*sound_set)(int setting, int value);
    int (*sound_min)(int setting);
    int (*sound_max)(int setting);
#ifndef SIMULATOR
    void (*mp3_play_data)(const unsigned char* start, int size, void (*get_more)(unsigned char** start, int* size));
    void (*mp3_play_pause)(bool play);
    void (*mp3_play_stop)(void);
    bool (*mp3_is_playing)(void);
#if CONFIG_CODEC != SWCODEC
    void (*bitswap)(unsigned char *data, int length);
#endif
#if CONFIG_CODEC == SWCODEC
    void (*pcm_play_data)(void (*get_more)(unsigned char** start, size_t*size),
            unsigned char* start, size_t size);
    void (*pcm_play_stop)(void);
    void (*pcm_set_frequency)(unsigned int frequency);
    bool (*pcm_is_playing)(void);
    void (*pcm_play_pause)(bool play);
#endif
#endif /* !SIMULATOR */

    /* playback control */
    void (*PREFIX(audio_play))(int offset);
    void (*audio_stop)(void);
    void (*audio_pause)(void);
    void (*audio_resume)(void);
    void (*audio_next)(void);
    void (*audio_prev)(void);
    void (*audio_ff_rewind)(int newtime);
    struct mp3entry* (*audio_next_track)(void);
    int (*playlist_amount)(void);
    int (*audio_status)(void);
    bool (*audio_has_changed_track)(void);
    struct mp3entry* (*audio_current_track)(void);
    void (*audio_flush_and_reload_tracks)(void);
    int (*audio_get_file_pos)(void);
#if !defined(SIMULATOR) && (CONFIG_CODEC != SWCODEC)
    unsigned long (*mpeg_get_last_header)(void);
#endif
#if (CONFIG_CODEC == MAS3587F) || (CONFIG_CODEC == MAS3539F)
    void (*sound_set_pitch)(int pitch);        
#endif

    /* MAS communication */
#if !defined(SIMULATOR) && (CONFIG_CODEC != SWCODEC)
    int (*mas_readmem)(int bank, int addr, unsigned long* dest, int len);
    int (*mas_writemem)(int bank, int addr, const unsigned long* src, int len);
    int (*mas_readreg)(int reg);
    int (*mas_writereg)(int reg, unsigned int val);
#if (CONFIG_CODEC == MAS3587F) || (CONFIG_CODEC == MAS3539F)
    int (*mas_codec_writereg)(int reg, unsigned int val);
    int (*mas_codec_readreg)(int reg);
#endif
#endif

    /* tag database */
    struct tagdb_header *tagdbheader;
    int *tagdb_fd;
    int *tagdb_initialized;
    int (*tagdb_init) (void);
    /* runtime database */
    struct rundb_header *rundbheader;
    int *rundb_fd;
    int *rundb_initialized;            

    /* menu */
    int (*menu_init)(const struct menu_item* mitems, int count,
               int (*callback)(int, int),
               const char *button1, const char *button2, const char *button3);
    void (*menu_exit)(int menu);
    int (*menu_show)(int m);
    bool (*menu_run)(int menu);
    int (*menu_cursor)(int menu);
    char* (*menu_description)(int menu, int position);
    void (*menu_delete)(int menu, int position);
    int (*menu_count)(int menu);
    bool (*menu_moveup)(int menu);
    bool (*menu_movedown)(int menu);
    void (*menu_draw)(int menu);
    void (*menu_insert)(int menu, int position, char *desc, bool (*function) (void));
    void (*menu_set_cursor)(int menu, int position);

    /* power */
    int (*battery_level)(void);
    bool (*battery_level_safe)(void);
    int (*battery_time)(void);
#ifndef SIMULATOR
    unsigned int (*battery_voltage)(void);
#endif
#ifdef HAVE_CHARGING
    bool (*charger_inserted)(void);
# ifdef HAVE_CHARGE_STATE
    bool (*charging_state)(void);
# endif    
#endif
#ifdef HAVE_USB_POWER
    bool (*usb_powered)(void);
#endif

    /* misc */
    void (*srand)(unsigned int seed);
    int  (*rand)(void);
    void (*qsort)(void *base, size_t nmemb, size_t size,
                  int(*compar)(const void *, const void *));
    int (*kbd_input)(char* buffer, int buflen);
    struct tm* (*get_time)(void);
    int  (*set_time)(const struct tm *tm);
    void* (*plugin_get_buffer)(int* buffer_size);
    void* (*plugin_get_audio_buffer)(int* buffer_size);
    void (*plugin_tsr)(void (*exit_callback)(void));
#if defined(DEBUG) || defined(SIMULATOR)
    void (*debugf)(const char *fmt, ...);
#endif
#ifdef ROCKBOX_HAS_LOGF
    void (*logf)(const char *fmt, ...);
#endif
    struct user_settings* global_settings;
    bool (*mp3info)(struct mp3entry *entry, const char *filename, bool v1first);
    int (*count_mp3_frames)(int fd, int startpos, int filesize,
                            void (*progressfunc)(int));
    int (*create_xing_header)(int fd, long startpos, long filesize,
            unsigned char *buf, unsigned long num_frames,
            unsigned long rec_time, unsigned long header_template,
            void (*progressfunc)(int), bool generate_toc);
    unsigned long (*find_next_frame)(int fd, long *offset,
            long max_offset, unsigned long last_header);

#if (CONFIG_CODEC == MAS3587F) || (CONFIG_CODEC == MAS3539F)
    unsigned short (*peak_meter_scale_value)(unsigned short val,
                                             int meterwidth);
    void (*peak_meter_set_use_dbfs)(bool use);
    bool (*peak_meter_get_use_dbfs)(void);
#endif
#ifdef HAVE_LCD_BITMAP
    int (*read_bmp_file)(char* filename, struct bitmap *bm, int maxsize,
                         int format);
    void (*screen_dump_set_hook)(void (*hook)(int fh));
#endif
    int (*show_logo)(void);

    /* new stuff at the end, sort into place next time
       the API gets incompatible */     
       
};

/* plugin header */
struct plugin_header {
    unsigned long magic;
    unsigned short target_id;
    unsigned short api_version;
    unsigned char *load_addr;
    unsigned char *end_addr;
    enum plugin_status(*entry_point)(struct plugin_api*, void*);
};
#ifdef PLUGIN
#ifndef SIMULATOR
extern unsigned char plugin_start_addr[];
extern unsigned char plugin_end_addr[];
#define PLUGIN_HEADER \
        const struct plugin_header __header \
        __attribute__ ((section (".header")))= { \
        PLUGIN_MAGIC, TARGET_ID, PLUGIN_API_VERSION, \
        plugin_start_addr, plugin_end_addr, plugin_start };
#else /* SIMULATOR */
#define PLUGIN_HEADER \
        const struct plugin_header __header = { \
        PLUGIN_MAGIC, TARGET_ID, PLUGIN_API_VERSION, \
        NULL, NULL, plugin_start };
#endif
#endif

int plugin_load(const char* plugin, void* parameter);
void* plugin_get_buffer(int *buffer_size);
void* plugin_get_audio_buffer(int *buffer_size);
void plugin_tsr(void (*exit_callback)(void));

/* defined by the plugin */
enum plugin_status plugin_start(struct plugin_api* rockbox, void* parameter);

#endif