firmware/export/lcd.h

   1 /***************************************************************************
   2  *             __________               __   ___.
   3  *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
   4  *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
   5  *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
   6  *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
   7  *                     \/            \/     \/    \/            \/
   8  * $Id$
   9  *
  10  * Copyright (C) 2002 by Alan Korr
  11  *
  12  * This program is free software; you can redistribute it and/or
  13  * modify it under the terms of the GNU General Public License
  14  * as published by the Free Software Foundation; either version 2
  15  * of the License, or (at your option) any later version.
  16  *
  17  * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
  18  * KIND, either express or implied.
  19  *
  20  ****************************************************************************/
  21
  22 #ifndef __LCD_H__
  23 #define __LCD_H__
  24
  25 #include <stdbool.h>
  26 #include "cpu.h"
  27 #include "config.h"
  28
  29 struct viewport {
  30     int x;
  31     int y;
  32     int width;
  33     int height;
  34 #ifdef HAVE_LCD_BITMAP
  35     int font;
  36     int drawmode;
  37 #endif
  38 #if LCD_DEPTH > 1
  39     unsigned fg_pattern;
  40     unsigned bg_pattern;
  41 #ifdef HAVE_LCD_COLOR
  42     unsigned lss_pattern;
  43     unsigned lse_pattern;
  44     unsigned lst_pattern;
  45 #endif
  46 #endif
  47 };
  48
  49 #define STYLE_DEFAULT    0x00000000
  50 #define STYLE_COLORED    0x10000000
  51 #define STYLE_INVERT     0x20000000
  52 #define STYLE_COLORBAR   0x40000000
  53 #define STYLE_GRADIENT   0x80000000
  54 #define STYLE_MODE_MASK  0xF0000000
  55 #define STYLE_COLOR_MASK 0x0000FFFF
  56 #ifdef HAVE_LCD_COLOR
  57 #define STYLE_CURLN_MASK 0x0000FF00
  58 #define STYLE_MAXLN_MASK 0x000000FF
  59 #define CURLN_PACK(x)    (((x)<<8) & STYLE_CURLN_MASK)
  60 #define CURLN_UNPACK(x)  ((unsigned char)(((x)&STYLE_CURLN_MASK) >> 8))
  61 #define NUMLN_PACK(x)    ((x) & STYLE_MAXLN_MASK)
  62 #define NUMLN_UNPACK(x)  ((unsigned char)((x) & STYLE_MAXLN_MASK))
  63 #endif
  64
  65 #ifdef SIMULATOR
  66 #ifndef MAX_PATH
  67 #define MAX_PATH 260
  68 #endif
  69 #else
  70 #include "file.h"  /* for MAX_PATH; FIXME: Why does this not work for sims? */
  71 #endif /* SIMULATOR */
  72
  73 #ifdef HAVE_LCD_BITMAP
  74 #if LCD_DEPTH <=8
  75 #if (LCD_PIXELFORMAT == VERTICAL_INTERLEAVED) \
  76  || (LCD_PIXELFORMAT == HORIZONTAL_INTERLEAVED)
  77 typedef unsigned short fb_data;
  78 #else
  79 typedef unsigned char fb_data;
  80 #endif
  81 #elif LCD_DEPTH <= 16
  82 typedef unsigned short fb_data;
  83 #else /* LCD_DEPTH > 16 */
  84 typedef unsigned long fb_data;
  85 #endif /* LCD_DEPTH */
  86
  87 #else /* LCD_CHARCELLS */
  88 typedef unsigned char fb_data;
  89 #endif
  90
  91 /* common functions */
  92 extern void lcd_write_command(int byte);
  93 extern void lcd_write_command_e(int cmd, int data);
  94 extern void lcd_write_command_ex(int cmd, int data1, int data2);
  95 extern void lcd_write_data(const fb_data* p_bytes, int count);
  96 extern void lcd_init(void);
  97
  98 #ifdef SIMULATOR
  99 /* Define a dummy device specific init for the sims */
 100 #define lcd_init_device()
 101 #else
 102 extern void lcd_init_device(void);
 103 #endif /* SIMULATOR */
 104
 105 extern void lcd_backlight(bool on);
 106 extern int  lcd_default_contrast(void);
 107 extern void lcd_set_contrast(int val);
 108 extern int  lcd_getwidth(void);
 109 extern int  lcd_getheight(void);
 110 extern int  lcd_getstringsize(const unsigned char *str, int *w, int *h);
 111
 112 extern void lcd_set_viewport(struct viewport* vp);
 113 extern void lcd_update(void);
 114 extern void lcd_update_viewport(void);
 115 extern void lcd_clear_viewport(void);
 116 extern void lcd_clear_display(void);
 117 extern void lcd_putsxy(int x, int y, const unsigned char *string);
 118 extern void lcd_puts(int x, int y, const unsigned char *string);
 119 extern void lcd_puts_style(int x, int y, const unsigned char *string, int style);
 120 extern void lcd_puts_offset(int x, int y, const unsigned char *str, int offset);
 121 extern void lcd_puts_scroll_offset(int x, int y, const unsigned char *string,
 122                                   int offset);
 123 extern void lcd_putc(int x, int y, unsigned long ucs);
 124 extern void lcd_stop_scroll(void);
 125 extern void lcd_bidir_scroll(int threshold);
 126 extern void lcd_scroll_speed(int speed);
 127 extern void lcd_scroll_delay(int ms);
 128 extern void lcd_puts_scroll(int x, int y, const unsigned char* string);
 129 extern void lcd_puts_scroll_style(int x, int y, const unsigned char* string,
 130                                   int style);
 131
 132 #ifdef HAVE_LCD_BITMAP
 133
 134 /* performance function */
 135 #if defined(HAVE_LCD_COLOR)
 136 #define LCD_YUV_DITHER 0x1
 137 extern void lcd_yuv_set_options(unsigned options);
 138 extern void lcd_blit_yuv(unsigned char * const src[3],
 139                          int src_x, int src_y, int stride,
 140                          int x, int y, int width, int height);
 141 #else
 142 extern void lcd_blit_mono(const unsigned char *data, int x, int by, int width,
 143                           int bheight, int stride);
 144 extern void lcd_blit_grey_phase(unsigned char *values, unsigned char *phases,
 145                                 int bx, int by, int bwidth, int bheight,
 146                                 int stride);
 147 #endif
 148
 149
 150 /* update a fraction of the screen */
 151 extern void lcd_update_rect(int x, int y, int width, int height);
 152 extern void lcd_update_viewport_rect(int x, int y, int width, int height);
 153
 154 #ifdef HAVE_REMOTE_LCD
 155 extern void lcd_remote_update(void);
 156 /* update a fraction of the screen */
 157 extern void lcd_remote_update_rect(int x, int y, int width, int height);
 158 #endif /* HAVE_REMOTE_LCD */
 159 #endif /* HAVE_LCD_BITMAP */
 160
 161 #ifdef HAVE_LCD_CHARCELLS
 162
 163 /* Icon definitions for lcd_icon() */
 164 enum
 165 {
 166     ICON_BATTERY = 0,
 167     ICON_BATTERY_1,
 168     ICON_BATTERY_2,
 169     ICON_BATTERY_3,
 170     ICON_USB,
 171     ICON_PLAY,
 172     ICON_RECORD,
 173     ICON_PAUSE,
 174     ICON_AUDIO,
 175     ICON_REPEAT,
 176     ICON_1,
 177     ICON_VOLUME,
 178     ICON_VOLUME_1,
 179     ICON_VOLUME_2,
 180     ICON_VOLUME_3,
 181     ICON_VOLUME_4,
 182     ICON_VOLUME_5,
 183     ICON_PARAM
 184 };
 185
 186 void lcd_icon(int icon, bool enable);
 187 void lcd_double_height(bool on);
 188 void lcd_define_pattern(unsigned long ucs, const char *pattern);
 189 unsigned long lcd_get_locked_pattern(void);
 190 void lcd_unlock_pattern(unsigned long ucs);
 191 void lcd_put_cursor(int x, int y, unsigned long cursor_ucs);
 192 void lcd_remove_cursor(void);
 193 #define JUMP_SCROLL_ALWAYS 5
 194 extern void lcd_jump_scroll(int mode); /* 0=off, 1=once, ..., ALWAYS */
 195 extern void lcd_jump_scroll_delay(int ms);
 196 #endif /* HAVE_LCD_CHARCELLS */
 197
 198 /* Draw modes */
 199 #define DRMODE_COMPLEMENT 0
 200 #define DRMODE_BG         1
 201 #define DRMODE_FG         2
 202 #define DRMODE_SOLID      3
 203 #define DRMODE_INVERSEVID 4 /* used as bit modifier for basic modes */
 204
 205 /* Low-level drawing function types */
 206 typedef void lcd_pixelfunc_type(int x, int y);
 207 typedef void lcd_blockfunc_type(fb_data *address, unsigned mask, unsigned bits);
 208 #if LCD_DEPTH >= 8
 209 typedef void lcd_fastpixelfunc_type(fb_data *address);
 210 #endif
 211
 212 #ifdef HAVE_LCD_BITMAP
 213
 214 #if defined(HAVE_LCD_COLOR) && defined(LCD_REMOTE_DEPTH) && \
 215  LCD_REMOTE_DEPTH > 1
 216 /* Just return color for screens use */
 217 static inline unsigned lcd_color_to_native(unsigned color)
 218     { return color; }
 219 #define SCREEN_COLOR_TO_NATIVE(screen, color) (screen)->color_to_native(color)
 220 #else
 221 #define SCREEN_COLOR_TO_NATIVE(screen, color) (color)
 222 #endif
 223
 224 #ifdef HAVE_LCD_COLOR
 225 #if LCD_PIXELFORMAT == RGB565 || LCD_PIXELFORMAT == RGB565SWAPPED
 226 #define LCD_MAX_RED    31
 227 #define LCD_MAX_GREEN  63
 228 #define LCD_MAX_BLUE   31
 229 #define LCD_RED_BITS   5
 230 #define LCD_GREEN_BITS 6
 231 #define LCD_BLUE_BITS  5
 232
 233 /* pack/unpack native RGB values */
 234 #define _RGBPACK_LCD(r, g, b)    ( ((r) << 11) | ((g) << 5) | (b) )
 235 #define _RGB_UNPACK_RED_LCD(x)   ( (((x) >> 11)       ) )
 236 #define _RGB_UNPACK_GREEN_LCD(x) ( (((x) >>  5) & 0x3f) )
 237 #define _RGB_UNPACK_BLUE_LCD(x)  ( (((x)      ) & 0x1f) )
 238
 239 /* pack/unpack 24-bit RGB values */
 240 #define _RGBPACK(r, g, b)    _RGBPACK_LCD((r) >> 3, (g) >> 2, (b) >> 3)
 241 #define _RGB_UNPACK_RED(x)   ( (((x) >> 8) & 0xf8) | (((x) >> 13) & 0x07) )
 242 #define _RGB_UNPACK_GREEN(x) ( (((x) >> 3) & 0xfc) | (((x) >>  9) & 0x03) )
 243 #define _RGB_UNPACK_BLUE(x)  ( (((x) << 3) & 0xf8) | (((x) >>  2) & 0x07) )
 244
 245 #if (LCD_PIXELFORMAT == RGB565SWAPPED)
 246 /* RGB3553 */
 247 #define _LCD_UNSWAP_COLOR(x)     swap16(x)
 248 #define LCD_RGBPACK_LCD(r, g, b) ( (((r) <<   3)      ) | \
 249                                    (((g) >>   3)      ) | \
 250                                    (((g) & 0x07) << 13) | \
 251                                    (((b) <<   8)      ) )
 252 #define LCD_RGBPACK(r, g, b)     ( (((r) >>   3) <<  3) | \
 253                                    (((g) >>   5)      ) | \
 254                                    (((g) & 0x1c) << 11) | \
 255                                    (((b) >>   3) <<  8) )
 256 /* swap color once - not currenly used in static inits */
 257 #define _SWAPUNPACK(x, _unp_) \
 258     ({ typeof (x) _x_ = swap16(x); _unp_(_x_); })
 259 #define RGB_UNPACK_RED(x)        _SWAPUNPACK((x), _RGB_UNPACK_RED)
 260 #define RGB_UNPACK_GREEN(x)      _SWAPUNPACK((x), _RGB_UNPACK_GREEN)
 261 #define RGB_UNPACK_BLUE(x)       _SWAPUNPACK((x), _RGB_UNPACK_BLUE)
 262 #define RGB_UNPACK_RED_LCD(x)    _SWAPUNPACK((x), _RGB_UNPACK_RED_LCD)
 263 #define RGB_UNPACK_GREEN_LCD(x)  _SWAPUNPACK((x), _RGB_UNPACK_GREEN_LCD)
 264 #define RGB_UNPACK_BLUE_LCD(x)   _SWAPUNPACK((x), _RGB_UNPACK_BLUE_LCD)
 265 #else /* LCD_PIXELFORMAT == RGB565 */
 266 /* RGB565 */
 267 #define _LCD_UNSWAP_COLOR(x)     (x)
 268 #define LCD_RGBPACK(r, g, b)     _RGBPACK((r), (g), (b))
 269 #define LCD_RGBPACK_LCD(r, g, b) _RGBPACK_LCD((r), (g), (b))
 270 #define RGB_UNPACK_RED(x)        _RGB_UNPACK_RED(x)
 271 #define RGB_UNPACK_GREEN(x)      _RGB_UNPACK_GREEN(x)
 272 #define RGB_UNPACK_BLUE(x)       _RGB_UNPACK_BLUE(x)
 273 #define RGB_UNPACK_RED_LCD(x)    _RGB_UNPACK_RED_LCD(x)
 274 #define RGB_UNPACK_GREEN_LCD(x)  _RGB_UNPACK_GREEN_LCD(x)
 275 #define RGB_UNPACK_BLUE_LCD(x)   _RGB_UNPACK_BLUE_LCD(x)
 276 #endif /* RGB565* */
 277 #else
 278 /* other colour depths */
 279 #endif
 280
 281 #define LCD_BLACK      LCD_RGBPACK(0, 0, 0)
 282 #define LCD_DARKGRAY   LCD_RGBPACK(85, 85, 85)
 283 #define LCD_LIGHTGRAY  LCD_RGBPACK(170, 170, 170)
 284 #define LCD_WHITE      LCD_RGBPACK(255, 255, 255)
 285 #define LCD_DEFAULT_FG LCD_WHITE
 286 #define LCD_DEFAULT_BG LCD_BLACK
 287 #define LCD_DEFAULT_LS LCD_WHITE
 288
 289 #elif LCD_DEPTH > 1 /* greyscale */
 290
 291 #define LCD_MAX_LEVEL ((1 << LCD_DEPTH) - 1)
 292 #define LCD_BRIGHTNESS(y) (((y) * LCD_MAX_LEVEL + 127) / 255)
 293
 294 #define LCD_BLACK      LCD_BRIGHTNESS(0)
 295 #define LCD_DARKGRAY   LCD_BRIGHTNESS(85)
 296 #define LCD_LIGHTGRAY  LCD_BRIGHTNESS(170)
 297 #define LCD_WHITE      LCD_BRIGHTNESS(255)
 298 #define LCD_DEFAULT_FG LCD_BLACK
 299 #define LCD_DEFAULT_BG LCD_WHITE
 300
 301 #endif /* HAVE_LCD_COLOR */
 302
 303 /* Frame buffer dimensions */
 304 #if LCD_DEPTH == 1
 305 #if LCD_PIXELFORMAT == HORIZONTAL_PACKING
 306 #define LCD_FBWIDTH ((LCD_WIDTH+7)/8)
 307 #else /* LCD_PIXELFORMAT == VERTICAL_PACKING */
 308 #define LCD_FBHEIGHT ((LCD_HEIGHT+7)/8)
 309 #endif /* LCD_PIXELFORMAT */
 310 #elif LCD_DEPTH == 2
 311 #if LCD_PIXELFORMAT == HORIZONTAL_PACKING
 312 #define LCD_FBWIDTH ((LCD_WIDTH+3)/4)
 313 #elif LCD_PIXELFORMAT == VERTICAL_PACKING
 314 #define LCD_FBHEIGHT ((LCD_HEIGHT+3)/4)
 315 #elif LCD_PIXELFORMAT == VERTICAL_INTERLEAVED
 316 #define LCD_FBHEIGHT ((LCD_HEIGHT+7)/8)
 317 #endif /* LCD_PIXELFORMAT */
 318 #endif /* LCD_DEPTH */
 319 /* Set defaults if not defined different yet. The defaults apply to both
 320  * dimensions for LCD_DEPTH >= 8 */
 321 #ifndef LCD_FBWIDTH
 322 #define LCD_FBWIDTH LCD_WIDTH
 323 #endif
 324 #ifndef LCD_FBHEIGHT
 325 #define LCD_FBHEIGHT LCD_HEIGHT
 326 #endif
 327 /* The actual framebuffer */
 328 extern fb_data lcd_framebuffer[LCD_FBHEIGHT][LCD_FBWIDTH];
 329
 330 /** Port-specific functions. Enable in port config file. **/
 331 #ifdef HAVE_REMOTE_LCD_AS_MAIN
 332 void lcd_on(void);
 333 void lcd_off(void);
 334 void lcd_poweroff(void);
 335 #endif
 336
 337 #ifdef HAVE_LCD_ENABLE
 338 /* Enable/disable the main display. */
 339 extern void lcd_enable(bool on);
 340 extern bool lcd_enabled(void);
 341
 342 #ifdef HAVE_LCD_COLOR
 343 /* Register a hook that is called when the lcd is powered and after the
 344  * framebuffer data is synchronized */
 345 void lcd_set_enable_hook(void (*enable_hook)(void));
 346 #endif /* HAVE_LCD_COLOR */
 347
 348 #endif /* HAVE_LCD_ENABLE */
 349 void lcd_call_enable_hook(void);
 350
 351 #ifdef HAVE_LCD_SLEEP
 352 /* Put the LCD into a power saving state deeper than lcd_enable(false). */
 353 extern void lcd_sleep(void);
 354 #endif /* HAVE_LCD_SLEEP */
 355
 356 #ifdef HAVE_LCD_SHUTDOWN
 357 void lcd_shutdown(void);
 358 #endif
 359
 360 /* Bitmap formats */
 361 enum
 362 {
 363     FORMAT_MONO,
 364     FORMAT_NATIVE,
 365     FORMAT_ANY   /* For passing to read_bmp_file() */
 366 };
 367
 368 #define FORMAT_TRANSPARENT 0x40000000
 369 #define FORMAT_DITHER      0x20000000
 370 #define FORMAT_REMOTE      0x10000000
 371 #define FORMAT_RESIZE      0x08000000
 372 #define FORMAT_KEEP_ASPECT 0x04000000
 373
 374 #define TRANSPARENT_COLOR LCD_RGBPACK(255,0,255)
 375 #define REPLACEWITHFG_COLOR LCD_RGBPACK(0,255,255)
 376
 377 struct bitmap {
 378     int width;
 379     int height;
 380 #if (LCD_DEPTH > 1) || defined(HAVE_REMOTE_LCD) && (LCD_REMOTE_DEPTH > 1)
 381     int format;
 382     unsigned char *maskdata;
 383 #endif
 384     unsigned char *data;
 385 };
 386
 387 extern void lcd_set_invert_display(bool yesno);
 388 #ifdef HAVE_BACKLIGHT_INVERSION
 389 extern void lcd_set_backlight_inversion(bool yesno);
 390 #endif /* HAVE_BACKLIGHT_INVERSION */
 391 extern void lcd_set_flip(bool yesno);
 392
 393 extern void lcd_set_drawmode(int mode);
 394 extern int  lcd_get_drawmode(void);
 395 extern void lcd_setfont(int font);
 396 extern int lcd_getfont(void);
 397
 398 extern void lcd_puts_style_offset(int x, int y, const unsigned char *str,
 399                                   int style, int offset);
 400 extern void lcd_puts_scroll_style_offset(int x, int y, const unsigned char *string,
 401                                   int style, int offset);
 402
 403 /* low level drawing function pointer arrays */
 404 #if LCD_DEPTH >= 8
 405 extern lcd_fastpixelfunc_type* const *lcd_fastpixelfuncs;
 406 #elif LCD_DEPTH > 1
 407 extern lcd_pixelfunc_type* const *lcd_pixelfuncs;
 408 extern lcd_blockfunc_type* const *lcd_blockfuncs;
 409 #else /* LCD_DEPTH == 1*/
 410 extern lcd_pixelfunc_type* const lcd_pixelfuncs[8];
 411 extern lcd_blockfunc_type* const lcd_blockfuncs[8];
 412 #endif /* LCD_DEPTH */
 413
 414 extern void lcd_drawpixel(int x, int y);
 415 extern void lcd_drawline(int x1, int y1, int x2, int y2);
 416 extern void lcd_hline(int x1, int x2, int y);
 417 extern void lcd_vline(int x, int y1, int y2);
 418 extern void lcd_drawrect(int x, int y, int width, int height);
 419 extern void lcd_fillrect(int x, int y, int width, int height);
 420 extern void lcd_bitmap_part(const fb_data *src, int src_x, int src_y,
 421                             int stride, int x, int y, int width, int height);
 422 extern void lcd_bitmap(const fb_data *src, int x, int y, int width,
 423                        int height);
 424
 425 extern void lcd_scroll_step(int pixels);
 426
 427 #if LCD_DEPTH > 1
 428 extern void     lcd_set_foreground(unsigned foreground);
 429 extern unsigned lcd_get_foreground(void);
 430 extern void     lcd_set_background(unsigned background);
 431 extern unsigned lcd_get_background(void);
 432 #ifdef HAVE_LCD_COLOR
 433 extern void     lcd_set_selector_start(unsigned selector);
 434 extern void     lcd_set_selector_end(unsigned selector);
 435 extern void     lcd_set_selector_text(unsigned selector_text);
 436 #endif
 437 extern void     lcd_set_drawinfo(int mode, unsigned foreground,
 438                                  unsigned background);
 439 void lcd_set_backdrop(fb_data* backdrop);
 440
 441 fb_data* lcd_get_backdrop(void);
 442
 443 extern void lcd_mono_bitmap_part(const unsigned char *src, int src_x, int src_y,
 444                             int stride, int x, int y, int width, int height);
 445 extern void lcd_mono_bitmap(const unsigned char *src, int x, int y, int width,
 446                             int height);
 447 extern void lcd_bitmap_transparent_part(const fb_data *src,
 448                                         int src_x, int src_y,
 449                                         int stride, int x, int y, int width,
 450                                         int height);
 451 extern void lcd_bitmap_transparent(const fb_data *src, int x, int y,
 452                                    int width, int height);
 453 #else /* LCD_DEPTH == 1 */
 454 #define lcd_mono_bitmap lcd_bitmap
 455 #define lcd_mono_bitmap_part lcd_bitmap_part
 456 #endif /* LCD_DEPTH */
 457
 458 #endif /* HAVE_LCD_BITMAP */
 459
 460 #endif /* __LCD_H__ */