/*************************************************************************** * __________ __ ___. * 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. * ****************************************************************************/ #include "plugin.h" #include #include #include #include #include "debug.h" #include "i2c.h" #include "lang.h" #include "keyboard.h" #include "buffer.h" #include "backlight.h" #include "sound_menu.h" #include "mp3data.h" #include "powermgmt.h" #include "splash.h" #ifdef CONFIG_CHARGING #include "power.h" #endif #ifdef HAVE_LCD_BITMAP #include "peakmeter.h" #include "bmp.h" #include "bidi.h" #endif #ifdef SIMULATOR static unsigned char pluginbuf[PLUGIN_BUFFER_SIZE]; void *sim_plugin_load(char *plugin, void **pd); void sim_plugin_close(void *pd); void sim_lcd_ex_init(int shades, unsigned long (*getpixel)(int, int)); void sim_lcd_ex_update_rect(int x, int y, int width, int height); #else #define sim_plugin_close(x) extern unsigned char pluginbuf[]; #include "bitswap.h" #endif /* for actual plugins only, not for codecs */ static bool plugin_loaded = false; static int plugin_size = 0; static bool (*pfn_tsr_exit)(bool reenter) = NULL; /* TSR exit callback */ static char current_plugin[MAX_PATH]; static const struct plugin_api rockbox_api = { /* lcd */ lcd_set_contrast, lcd_clear_display, lcd_puts, lcd_puts_scroll, lcd_stop_scroll, #ifdef HAVE_LCD_CHARCELLS lcd_define_pattern, lcd_get_locked_pattern, lcd_unlock_pattern, lcd_putc, lcd_put_cursor, lcd_remove_cursor, PREFIX(lcd_icon), lcd_double_height, #else lcd_setmargins, lcd_set_drawmode, lcd_get_drawmode, lcd_setfont, lcd_getstringsize, lcd_drawpixel, lcd_drawline, lcd_hline, lcd_vline, lcd_drawrect, lcd_fillrect, lcd_mono_bitmap_part, lcd_mono_bitmap, #if LCD_DEPTH > 1 lcd_set_foreground, lcd_get_foreground, lcd_set_background, lcd_get_background, lcd_bitmap_part, lcd_bitmap, #endif #if LCD_DEPTH == 16 lcd_bitmap_transparent_part, lcd_bitmap_transparent, #endif bidi_l2v, font_get_bits, font_load, lcd_putsxy, lcd_puts_style, lcd_puts_scroll_style, &lcd_framebuffer[0][0], lcd_blit, lcd_update, lcd_update_rect, scrollbar, checkbox, font_get, font_getstringsize, font_get_width, #endif backlight_on, backlight_off, backlight_set_timeout, gui_syncsplash, #ifdef HAVE_REMOTE_LCD /* remote lcd */ lcd_remote_set_contrast, lcd_remote_clear_display, lcd_remote_puts, lcd_remote_puts_scroll, lcd_remote_stop_scroll, lcd_remote_set_drawmode, lcd_remote_get_drawmode, lcd_remote_setfont, lcd_remote_getstringsize, lcd_remote_drawpixel, lcd_remote_drawline, lcd_remote_hline, lcd_remote_vline, lcd_remote_drawrect, lcd_remote_fillrect, lcd_remote_mono_bitmap_part, lcd_remote_mono_bitmap, lcd_remote_putsxy, lcd_remote_puts_style, lcd_remote_puts_scroll_style, &lcd_remote_framebuffer[0][0], lcd_remote_update, lcd_remote_update_rect, remote_backlight_on, remote_backlight_off, #endif #if NB_SCREENS == 2 {&screens[SCREEN_MAIN], &screens[SCREEN_REMOTE]}, #else {&screens[SCREEN_MAIN]}, #endif #if defined(HAVE_REMOTE_LCD) && (LCD_REMOTE_DEPTH > 1) lcd_remote_set_foreground, lcd_remote_get_foreground, lcd_remote_set_background, lcd_remote_get_background, lcd_remote_bitmap_part, lcd_remote_bitmap, #endif #if defined(HAVE_LCD_COLOR) && !defined(SIMULATOR) lcd_yuv_blit, #endif /* list */ gui_synclist_init, gui_synclist_set_nb_items, gui_synclist_set_icon_callback, gui_synclist_get_nb_items, gui_synclist_get_sel_pos, gui_synclist_draw, gui_synclist_select_item, gui_synclist_select_next, gui_synclist_select_previous, gui_synclist_select_next_page, gui_synclist_select_previous_page, gui_synclist_add_item, gui_synclist_del_item, gui_synclist_limit_scroll, gui_synclist_flash, #ifdef HAVE_LCD_BITMAP gui_synclist_scroll_right, gui_synclist_scroll_left, #endif gui_synclist_do_button, /* button */ button_get, button_get_w_tmo, button_status, button_clear_queue, #ifdef HAS_BUTTON_HOLD button_hold, #endif /* file */ (open_func)PREFIX(open), close, (read_func)read, PREFIX(lseek), (creat_func)PREFIX(creat), (write_func)write, PREFIX(remove), PREFIX(rename), PREFIX(ftruncate), PREFIX(filesize), fdprintf, read_line, settings_parseline, #ifndef SIMULATOR ata_sleep, ata_disk_is_active, #endif ata_spindown, reload_directory, /* dir */ PREFIX(opendir), PREFIX(closedir), PREFIX(readdir), PREFIX(mkdir), PREFIX(rmdir), /* kernel/ system */ PREFIX(sleep), yield, ¤t_tick, default_event_handler, default_event_handler_ex, create_thread, remove_thread, reset_poweroff_timer, #ifndef SIMULATOR system_memory_guard, &cpu_frequency, #ifdef HAVE_ADJUSTABLE_CPU_FREQ cpu_boost, #endif timer_register, timer_unregister, timer_set_period, #endif queue_init, queue_delete, queue_post, queue_wait_w_tmo, usb_acknowledge, #ifdef RB_PROFILE profile_thread, profstop, profile_func_enter, profile_func_exit, #endif #ifdef SIMULATOR /* special simulator hooks */ #if defined(HAVE_LCD_BITMAP) && LCD_DEPTH < 8 sim_lcd_ex_init, sim_lcd_ex_update_rect, #endif #endif /* strings and memory */ snprintf, vsnprintf, strcpy, strncpy, strlen, strrchr, strcmp, strncmp, strcasecmp, strncasecmp, memset, memcpy, memmove, _ctype_, atoi, strchr, strcat, memchr, memcmp, strcasestr, strtok_r, /* unicode stuff */ utf8decode, iso_decode, utf16LEdecode, utf16BEdecode, utf8encode, utf8length, utf8seek, /* sound */ sound_set, set_sound, sound_min, sound_max, #ifndef SIMULATOR mp3_play_data, mp3_play_pause, mp3_play_stop, mp3_is_playing, #if CONFIG_CODEC != SWCODEC bitswap, #endif #if CONFIG_CODEC == SWCODEC pcm_play_data, pcm_play_stop, pcm_set_frequency, pcm_is_playing, pcm_play_pause, #endif #endif #if CONFIG_CODEC == SWCODEC pcm_calculate_peaks, #endif /* playback control */ PREFIX(audio_play), audio_stop, audio_pause, audio_resume, audio_next, audio_prev, audio_ff_rewind, audio_next_track, playlist_amount, audio_status, audio_has_changed_track, audio_current_track, audio_flush_and_reload_tracks, audio_get_file_pos, #if !defined(SIMULATOR) && (CONFIG_CODEC != SWCODEC) mpeg_get_last_header, #endif #if (CONFIG_CODEC == MAS3587F) || (CONFIG_CODEC == MAS3539F) || \ (CONFIG_CODEC == SWCODEC) sound_set_pitch, #endif #if !defined(SIMULATOR) && (CONFIG_CODEC != SWCODEC) /* MAS communication */ mas_readmem, mas_writemem, mas_readreg, mas_writereg, #if (CONFIG_CODEC == MAS3587F) || (CONFIG_CODEC == MAS3539F) mas_codec_writereg, mas_codec_readreg, i2c_begin, i2c_end, i2c_write, #endif #endif /* !SIMULATOR && CONFIG_CODEC != SWCODEC */ /* menu */ menu_init, menu_exit, menu_show, menu_run, menu_cursor, menu_description, menu_delete, menu_count, menu_moveup, menu_movedown, menu_draw, menu_insert, menu_set_cursor, set_option, set_int, set_bool, /* action handling */ get_custom_action, get_action, action_signalscreenchange, action_userabort, /* power */ battery_level, battery_level_safe, battery_time, #ifndef SIMULATOR battery_voltage, #endif #ifdef CONFIG_CHARGING charger_inserted, # if CONFIG_CHARGING == CHARGING_MONITOR charging_state, # endif #endif #ifdef HAVE_USB_POWER usb_powered, #endif /* misc */ srand, rand, (qsort_func)qsort, kbd_input, get_time, set_time, plugin_get_buffer, plugin_get_audio_buffer, plugin_tsr, #if defined(DEBUG) || defined(SIMULATOR) debugf, #endif #ifdef ROCKBOX_HAS_LOGF logf, #endif &global_settings, mp3info, count_mp3_frames, create_xing_header, find_next_frame, #if (CONFIG_CODEC == MAS3587F) || (CONFIG_CODEC == MAS3539F) peak_meter_scale_value, peak_meter_set_use_dbfs, peak_meter_get_use_dbfs, #endif #ifdef HAVE_LCD_BITMAP read_bmp_file, screen_dump_set_hook, #endif show_logo, tree_get_context, #ifdef HAVE_WHEEL_POSITION wheel_status, wheel_send_events, #endif /* new stuff at the end, sort into place next time the API gets incompatible */ /* Keep these at the bottom till fully proven */ #if CONFIG_CODEC == SWCODEC &audio_master_sampr_list[0], &hw_freq_sampr[0], #ifndef SIMULATOR pcm_apply_settings, #endif #ifdef HAVE_RECORDING &rec_freq_sampr[0], #ifndef SIMULATOR pcm_set_monitor, pcm_set_rec_source, pcm_init_recording, pcm_close_recording, pcm_record_data, pcm_stop_recording, pcm_calculate_rec_peaks, rec_set_source, #endif #endif /* HAVE_RECORDING */ #endif /* CONFIG_CODEC == SWCODEC */ }; int plugin_load(const char* plugin, void* parameter) { int rc; struct plugin_header *hdr; const char *p = strrchr(plugin,'/'); #ifdef SIMULATOR void *pd; #else int fd; ssize_t readsize; #endif #ifdef HAVE_LCD_BITMAP int xm, ym; #endif #ifdef HAVE_REMOTE_LCD int rxm, rym; #endif #ifdef HAVE_LCD_COLOR fb_data* old_backdrop; #endif if (!p) p = plugin; action_signalscreenchange(); if (pfn_tsr_exit != NULL) /* if we have a resident old plugin: */ { if (pfn_tsr_exit(!strcmp(current_plugin,p)) == false ) { /* not allowing another plugin to load */ return PLUGIN_OK; } pfn_tsr_exit = NULL; plugin_loaded = false; } gui_syncsplash(0, true, str(LANG_WAIT)); strcpy(current_plugin,p); #ifdef SIMULATOR hdr = sim_plugin_load((char *)plugin, &pd); if (pd == NULL) { gui_syncsplash(HZ*2, true, str(LANG_PLUGIN_CANT_OPEN), plugin); return -1; } if (hdr == NULL || hdr->magic != PLUGIN_MAGIC || hdr->target_id != TARGET_ID) { sim_plugin_close(pd); gui_syncsplash(HZ*2, true, str(LANG_PLUGIN_WRONG_MODEL)); return -1; } if (hdr->api_version > PLUGIN_API_VERSION || hdr->api_version < PLUGIN_MIN_API_VERSION) { sim_plugin_close(pd); gui_syncsplash(HZ*2, true, str(LANG_PLUGIN_WRONG_VERSION)); return -1; } #else fd = open(plugin, O_RDONLY); if (fd < 0) { gui_syncsplash(HZ*2, true, str(LANG_PLUGIN_CANT_OPEN), plugin); return fd; } readsize = read(fd, pluginbuf, PLUGIN_BUFFER_SIZE); close(fd); if (readsize < 0) { gui_syncsplash(HZ*2, true, str(LANG_READ_FAILED), plugin); return -1; } hdr = (struct plugin_header *)pluginbuf; if ((unsigned)readsize <= sizeof(struct plugin_header) || hdr->magic != PLUGIN_MAGIC || hdr->target_id != TARGET_ID || hdr->load_addr != pluginbuf || hdr->end_addr > pluginbuf + PLUGIN_BUFFER_SIZE) { gui_syncsplash(HZ*2, true, str(LANG_PLUGIN_WRONG_MODEL)); return -1; } if (hdr->api_version > PLUGIN_API_VERSION || hdr->api_version < PLUGIN_MIN_API_VERSION) { gui_syncsplash(HZ*2, true, str(LANG_PLUGIN_WRONG_VERSION)); return -1; } plugin_size = hdr->end_addr - pluginbuf; /* zero out bss area only, above guards end of pluginbuf */ memset(pluginbuf + readsize, 0, plugin_size - readsize); #endif plugin_loaded = true; #ifdef HAVE_LCD_BITMAP xm = lcd_getxmargin(); ym = lcd_getymargin(); lcd_setmargins(0,0); #ifdef HAVE_LCD_COLOR old_backdrop = lcd_get_backdrop(); lcd_set_backdrop(NULL); #endif lcd_clear_display(); lcd_update(); #else /* !HAVE_LCD_BITMAP */ lcd_clear_display(); #endif #ifdef HAVE_REMOTE_LCD rxm = lcd_remote_getxmargin(); rym = lcd_remote_getymargin(); lcd_remote_setmargins(0, 0); lcd_remote_clear_display(); lcd_remote_update(); #endif invalidate_icache(); rc = hdr->entry_point((struct plugin_api*) &rockbox_api, parameter); /* explicitly casting the pointer here to avoid touching every plugin. */ button_clear_queue(); #ifdef HAVE_LCD_BITMAP #if LCD_DEPTH > 1 #ifdef HAVE_LCD_COLOR lcd_set_backdrop(old_backdrop); lcd_set_drawinfo(DRMODE_SOLID, global_settings.fg_color, global_settings.bg_color); #else lcd_set_drawinfo(DRMODE_SOLID, LCD_DEFAULT_FG, LCD_DEFAULT_BG); #endif #else /* LCD_DEPTH == 1 */ lcd_set_drawmode(DRMODE_SOLID); #endif /* LCD_DEPTH */ /* restore margins */ lcd_setmargins(xm,ym); lcd_clear_display(); lcd_update(); #endif /* HAVE_LCD_BITMAP */ #ifdef HAVE_REMOTE_LCD #if LCD_REMOTE_DEPTH > 1 lcd_remote_set_drawinfo(DRMODE_SOLID, LCD_REMOTE_DEFAULT_FG, LCD_REMOTE_DEFAULT_BG); #else lcd_remote_set_drawmode(DRMODE_SOLID); #endif lcd_remote_setmargins(rxm, rym); lcd_remote_clear_display(); lcd_remote_update(); #endif if (pfn_tsr_exit == NULL) plugin_loaded = false; sim_plugin_close(pd); switch (rc) { case PLUGIN_OK: break; case PLUGIN_USB_CONNECTED: return PLUGIN_USB_CONNECTED; default: gui_syncsplash(HZ*2, true, str(LANG_PLUGIN_ERROR)); break; } return PLUGIN_OK; } /* Returns a pointer to the portion of the plugin buffer that is not already being used. If no plugin is loaded, returns the entire plugin buffer */ void* plugin_get_buffer(int* buffer_size) { int buffer_pos; if (plugin_loaded) { if (plugin_size >= PLUGIN_BUFFER_SIZE) return NULL; *buffer_size = PLUGIN_BUFFER_SIZE-plugin_size; buffer_pos = plugin_size; } else { *buffer_size = PLUGIN_BUFFER_SIZE; buffer_pos = 0; } return &pluginbuf[buffer_pos]; } /* Returns a pointer to the mp3 buffer. Playback gets stopped, to avoid conflicts. Talk buffer is stolen as well. */ void* plugin_get_audio_buffer(int* buffer_size) { #if CONFIG_CODEC == SWCODEC return audio_get_buffer(true, (size_t *)buffer_size); #else audio_stop(); talk_buffer_steal(); /* we use the mp3 buffer, need to tell */ *buffer_size = audiobufend - audiobuf; #endif return audiobuf; } /* The plugin wants to stay resident after leaving its main function, e.g. runs from timer or own thread. The callback is registered to later instruct it to free its resources before a new plugin gets loaded. */ void plugin_tsr(bool (*exit_callback)(bool)) { pfn_tsr_exit = exit_callback; /* remember the callback for later */ }