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 #include "events.h"
  29
  30 #define VP_FLAG_ALIGN_RIGHT  0x01
  31 #define VP_FLAG_ALIGN_CENTER 0x02
  32
  33 #define VP_FLAG_ALIGNMENT_MASK \
  34         (VP_FLAG_ALIGN_RIGHT|VP_FLAG_ALIGN_CENTER)
  35
  36 #define VP_IS_RTL(vp) (((vp)->flags & VP_FLAG_ALIGNMENT_MASK) == VP_FLAG_ALIGN_RIGHT)
  37
  38 struct viewport {
  39     int x;
  40     int y;
  41     int width;
  42     int height;
  43 #ifdef HAVE_LCD_BITMAP
  44     int flags;
  45     int font;
  46     int line_height; /* 0 for using font height */
  47     int drawmode;
  48 #endif
  49 #if LCD_DEPTH > 1
  50     unsigned fg_pattern;
  51     unsigned bg_pattern;
  52 #ifdef HAVE_LCD_COLOR
  53     unsigned lss_pattern;
  54     unsigned lse_pattern;
  55     unsigned lst_pattern;
  56 #endif
  57 #endif
  58 };
  59
  60 /* Frame buffer stride
  61  *
  62  * Stride describes the amount that you need to increment to get to the next
  63  *  line.  For screens that have the pixels in contiguous horizontal strips
  64  *  stride should be equal to the image width.
  65  *
  66  *      For example, if the screen pixels are layed out as follows:
  67  *
  68  *                  width0  width1  width2                      widthX-1
  69  *                  ------  ------  ------  ------------------  --------
  70  *      height0 |   pixel0  pixel1  pixel2  ---------------->   pixelX-1
  71  *      height1 |   pixelX
  72  *
  73  *      then you need to add X pixels to get to the next line. (the next line
  74  *      in this case is height1).
  75  *
  76  * Similarly, if the screen has the pixels in contiguous vertical strips
  77  *  the stride would be equal to the image height.
  78  *
  79  *      For example if the screen pixels are layed out as follows:
  80  *
  81  *                      width0  width1
  82  *                      ------  ------
  83  *      height0     |   pixel0  pixelY
  84  *      height1     |   pixel1
  85  *      height2     |   pixel2
  86  *         |        |     |
  87  *        \|/       |    \|/
  88  *      heightY-1   |   pixelY-1
  89  *
  90  *      then you would need to add Y pixels to get to the next line (the next
  91  *      line in this case is from width0 to width1).
  92  *
  93  * The remote might have a different stride than the main screen so the screen
  94  *  number needs to be passed to the STRIDE macro so that the appropriate height
  95  *  or width can be passed to the lcd_bitmap, or lcd_remote_bitmap calls.
  96  *
  97  * STRIDE_REMOTE and STRIDE_MAIN should never be used when it is not clear whether
  98  *  lcd_remote_bitmap calls or lcd_bitmap calls are being made (for example the
  99  *  screens api).
 100  *
 101  * Screen should always use the screen_type enum that is at the top of this
 102  *  header.
 103  */
 104 enum screen_type {
 105     SCREEN_MAIN
 106 #ifdef HAVE_REMOTE_LCD
 107     ,SCREEN_REMOTE
 108 #endif
 109 };
 110
 111 #if   defined(LCD_STRIDEFORMAT) && LCD_STRIDEFORMAT == VERTICAL_STRIDE
 112 #define STRIDE_MAIN(w, h)   (h)
 113 #else
 114 #define STRIDE_MAIN(w, h)   (w)
 115 #endif
 116
 117 #define STRIDE_REMOTE(w, h) (w)
 118
 119 #define STRIDE(screen, w, h) (screen==SCREEN_MAIN?STRIDE_MAIN((w), \
 120                                         (h)):STRIDE_REMOTE((w),(h)))
 121
 122 #define STYLE_DEFAULT    0x00000000
 123 #define STYLE_COLORED    0x10000000
 124 #define STYLE_INVERT     0x20000000
 125 #define STYLE_COLORBAR   0x40000000
 126 #define STYLE_GRADIENT   0x80000000
 127 #define STYLE_MODE_MASK  0xF0000000
 128 #define STYLE_COLOR_MASK 0x0000FFFF
 129 #ifdef HAVE_LCD_COLOR
 130 #define STYLE_CURLN_MASK 0x0000FF00
 131 #define STYLE_MAXLN_MASK 0x000000FF
 132 #define CURLN_PACK(x)    (((x)<<8) & STYLE_CURLN_MASK)
 133 #define CURLN_UNPACK(x)  ((unsigned char)(((x)&STYLE_CURLN_MASK) >> 8))
 134 #define NUMLN_PACK(x)    ((x) & STYLE_MAXLN_MASK)
 135 #define NUMLN_UNPACK(x)  ((unsigned char)((x) & STYLE_MAXLN_MASK))
 136 #endif
 137
 138 #ifdef HAVE_LCD_BITMAP
 139 #if LCD_DEPTH <=8
 140 #if (LCD_PIXELFORMAT == VERTICAL_INTERLEAVED) \
 141  || (LCD_PIXELFORMAT == HORIZONTAL_INTERLEAVED)
 142 typedef unsigned short fb_data;
 143 #define FB_DATA_SZ 2
 144 #else
 145 typedef unsigned char fb_data;
 146 #define FB_DATA_SZ 1
 147 #endif
 148 #elif LCD_DEPTH <= 16
 149 typedef unsigned short fb_data;
 150 #define FB_DATA_SZ 2
 151 #else /* LCD_DEPTH > 16 */
 152 typedef unsigned long fb_data;
 153 #define FB_DATA_SZ 4
 154 #endif /* LCD_DEPTH */
 155
 156 #else /* LCD_CHARCELLS */
 157 typedef unsigned char fb_data;
 158 #endif
 159
 160 #if defined(HAVE_LCD_MODES)
 161 void lcd_set_mode(int mode);
 162 #define LCD_MODE_RGB565 0x00000001
 163 #define LCD_MODE_YUV    0x00000002
 164 #define LCD_MODE_PAL256 0x00000004
 165
 166 #if HAVE_LCD_MODES & LCD_MODE_PAL256
 167     void lcd_blit_pal256(unsigned char *src, int src_x, int src_y, int x, int y,
 168                             int width, int height);
 169     void lcd_pal256_update_pal(fb_data *palette);
 170 #endif
 171 #endif
 172
 173
 174 /* common functions */
 175 extern void lcd_write_command(int byte);
 176 extern void lcd_write_command_e(int cmd, int data);
 177 extern void lcd_write_command_ex(int cmd, int data1, int data2);
 178 extern void lcd_write_data(const fb_data* p_bytes, int count);
 179 extern void lcd_init(void) INIT_ATTR;
 180 extern void lcd_init_device(void) INIT_ATTR;
 181
 182 extern void lcd_backlight(bool on);
 183 extern int  lcd_default_contrast(void);
 184 extern void lcd_set_contrast(int val);
 185 extern int  lcd_getwidth(void);
 186 extern int  lcd_getheight(void);
 187 extern int  lcd_getstringsize(const unsigned char *str, int *w, int *h);
 188
 189 extern void lcd_set_viewport(struct viewport* vp);
 190 extern void lcd_update(void);
 191 extern void lcd_update_viewport(void);
 192 extern void lcd_clear_viewport(void);
 193 extern void lcd_clear_display(void);
 194 extern void lcd_putsxy(int x, int y, const unsigned char *string);
 195 extern void lcd_putsxyf(int x, int y, const unsigned char *fmt, ...);
 196 extern void lcd_putsxy_style_offset(int x, int y, const unsigned char *str,
 197                                     int style, int offset);
 198 extern void lcd_puts(int x, int y, const unsigned char *string);
 199 extern void lcd_putsf(int x, int y, const unsigned char *fmt, ...);
 200 extern void lcd_puts_style(int x, int y, const unsigned char *string, int style);
 201 extern void lcd_puts_offset(int x, int y, const unsigned char *str, int offset);
 202 extern void lcd_puts_scroll_offset(int x, int y, const unsigned char *string,
 203                                   int offset);
 204 extern void lcd_putc(int x, int y, unsigned long ucs);
 205 extern void lcd_stop_scroll(void);
 206 extern void lcd_bidir_scroll(int threshold);
 207 extern void lcd_scroll_speed(int speed);
 208 extern void lcd_scroll_delay(int ms);
 209 extern void lcd_puts_scroll(int x, int y, const unsigned char* string);
 210 extern void lcd_puts_scroll_style(int x, int y, const unsigned char* string,
 211                                   int style);
 212
 213 #ifdef HAVE_LCD_BITMAP
 214
 215 /* performance function */
 216 #if defined(HAVE_LCD_COLOR)
 217 #if MEMORYSIZE > 2
 218 #define LCD_YUV_DITHER 0x1
 219 extern void lcd_yuv_set_options(unsigned options);
 220 extern void lcd_blit_yuv(unsigned char * const src[3],
 221                          int src_x, int src_y, int stride,
 222                          int x, int y, int width, int height);
 223 #endif /* MEMORYSIZE > 2 */
 224 #else
 225 extern void lcd_blit_mono(const unsigned char *data, int x, int by, int width,
 226                           int bheight, int stride);
 227 extern void lcd_blit_grey_phase(unsigned char *values, unsigned char *phases,
 228                                 int bx, int by, int bwidth, int bheight,
 229                                 int stride);
 230 #endif
 231
 232
 233 /* update a fraction of the screen */
 234 extern void lcd_update_rect(int x, int y, int width, int height);
 235 extern void lcd_update_viewport_rect(int x, int y, int width, int height);
 236
 237 #ifdef HAVE_REMOTE_LCD
 238 extern void lcd_remote_update(void);
 239 /* update a fraction of the screen */
 240 extern void lcd_remote_update_rect(int x, int y, int width, int height);
 241 #endif /* HAVE_REMOTE_LCD */
 242 #endif /* HAVE_LCD_BITMAP */
 243
 244 #ifdef HAVE_LCD_CHARCELLS
 245
 246 /* Icon definitions for lcd_icon() */
 247 enum
 248 {
 249     ICON_BATTERY = 0,
 250     ICON_BATTERY_1,
 251     ICON_BATTERY_2,
 252     ICON_BATTERY_3,
 253     ICON_USB,
 254     ICON_PLAY,
 255     ICON_RECORD,
 256     ICON_PAUSE,
 257     ICON_AUDIO,
 258     ICON_REPEAT,
 259     ICON_1,
 260     ICON_VOLUME,
 261     ICON_VOLUME_1,
 262     ICON_VOLUME_2,
 263     ICON_VOLUME_3,
 264     ICON_VOLUME_4,
 265     ICON_VOLUME_5,
 266     ICON_PARAM
 267 };
 268
 269 void lcd_icon(int icon, bool enable);
 270 void lcd_double_height(bool on);
 271 void lcd_define_pattern(unsigned long ucs, const char *pattern);
 272 unsigned long lcd_get_locked_pattern(void);
 273 void lcd_unlock_pattern(unsigned long ucs);
 274 void lcd_put_cursor(int x, int y, unsigned long cursor_ucs);
 275 void lcd_remove_cursor(void);
 276 #define JUMP_SCROLL_ALWAYS 5
 277 extern void lcd_jump_scroll(int mode); /* 0=off, 1=once, ..., ALWAYS */
 278 extern void lcd_jump_scroll_delay(int ms);
 279 #endif /* HAVE_LCD_CHARCELLS */
 280
 281 /* Draw modes */
 282 #define DRMODE_COMPLEMENT 0
 283 #define DRMODE_BG         1
 284 #define DRMODE_FG         2
 285 #define DRMODE_SOLID      3
 286 #define DRMODE_INVERSEVID 4 /* used as bit modifier for basic modes */
 287
 288 /* Low-level drawing function types */
 289 typedef void lcd_pixelfunc_type(int x, int y);
 290 typedef void lcd_blockfunc_type(fb_data *address, unsigned mask, unsigned bits);
 291 #if LCD_DEPTH >= 8
 292 typedef void lcd_fastpixelfunc_type(fb_data *address);
 293 #endif
 294
 295 #ifdef HAVE_LCD_BITMAP
 296
 297 #if defined(HAVE_LCD_COLOR) && defined(LCD_REMOTE_DEPTH) && \
 298  LCD_REMOTE_DEPTH > 1
 299 /* Just return color for screens use */
 300 static inline unsigned lcd_color_to_native(unsigned color)
 301     { return color; }
 302 #define SCREEN_COLOR_TO_NATIVE(screen, color) (screen)->color_to_native(color)
 303 #else
 304 #define SCREEN_COLOR_TO_NATIVE(screen, color) (color)
 305 #endif
 306
 307 #ifdef HAVE_LCD_COLOR
 308 #if LCD_PIXELFORMAT == RGB565 || LCD_PIXELFORMAT == RGB565SWAPPED
 309 #define LCD_MAX_RED    31
 310 #define LCD_MAX_GREEN  63
 311 #define LCD_MAX_BLUE   31
 312 #define LCD_RED_BITS   5
 313 #define LCD_GREEN_BITS 6
 314 #define LCD_BLUE_BITS  5
 315
 316 /* pack/unpack native RGB values */
 317 #define _RGBPACK_LCD(r, g, b)    ( ((r) << 11) | ((g) << 5) | (b) )
 318 #define _RGB_UNPACK_RED_LCD(x)   ( (((x) >> 11)       ) )
 319 #define _RGB_UNPACK_GREEN_LCD(x) ( (((x) >>  5) & 0x3f) )
 320 #define _RGB_UNPACK_BLUE_LCD(x)  ( (((x)      ) & 0x1f) )
 321
 322 /* pack/unpack 24-bit RGB values */
 323 #define _RGBPACK(r, g, b)    _RGBPACK_LCD((r) >> 3, (g) >> 2, (b) >> 3)
 324 #define _RGB_UNPACK_RED(x)   ( (((x) >> 8) & 0xf8) | (((x) >> 13) & 0x07) )
 325 #define _RGB_UNPACK_GREEN(x) ( (((x) >> 3) & 0xfc) | (((x) >>  9) & 0x03) )
 326 #define _RGB_UNPACK_BLUE(x)  ( (((x) << 3) & 0xf8) | (((x) >>  2) & 0x07) )
 327
 328 #if (LCD_PIXELFORMAT == RGB565SWAPPED)
 329 /* RGB3553 */
 330 #define _LCD_UNSWAP_COLOR(x)     swap16(x)
 331 #define LCD_RGBPACK_LCD(r, g, b) ( (((r) <<   3)      ) | \
 332                                    (((g) >>   3)      ) | \
 333                                    (((g) & 0x07) << 13) | \
 334                                    (((b) <<   8)      ) )
 335 #define LCD_RGBPACK(r, g, b)     ( (((r) >>   3) <<  3) | \
 336                                    (((g) >>   5)      ) | \
 337                                    (((g) & 0x1c) << 11) | \
 338                                    (((b) >>   3) <<  8) )
 339 /* swap color once - not currenly used in static inits */
 340 #define _SWAPUNPACK(x, _unp_) \
 341     ({ typeof (x) _x_ = swap16(x); _unp_(_x_); })
 342 #define RGB_UNPACK_RED(x)        _SWAPUNPACK((x), _RGB_UNPACK_RED)
 343 #define RGB_UNPACK_GREEN(x)      _SWAPUNPACK((x), _RGB_UNPACK_GREEN)
 344 #define RGB_UNPACK_BLUE(x)       _SWAPUNPACK((x), _RGB_UNPACK_BLUE)
 345 #define RGB_UNPACK_RED_LCD(x)    _SWAPUNPACK((x), _RGB_UNPACK_RED_LCD)
 346 #define RGB_UNPACK_GREEN_LCD(x)  _SWAPUNPACK((x), _RGB_UNPACK_GREEN_LCD)
 347 #define RGB_UNPACK_BLUE_LCD(x)   _SWAPUNPACK((x), _RGB_UNPACK_BLUE_LCD)
 348 #else /* LCD_PIXELFORMAT == RGB565 */
 349 /* RGB565 */
 350 #define _LCD_UNSWAP_COLOR(x)     (x)
 351 #define LCD_RGBPACK(r, g, b)     _RGBPACK((r), (g), (b))
 352 #define LCD_RGBPACK_LCD(r, g, b) _RGBPACK_LCD((r), (g), (b))
 353 #define RGB_UNPACK_RED(x)        _RGB_UNPACK_RED(x)
 354 #define RGB_UNPACK_GREEN(x)      _RGB_UNPACK_GREEN(x)
 355 #define RGB_UNPACK_BLUE(x)       _RGB_UNPACK_BLUE(x)
 356 #define RGB_UNPACK_RED_LCD(x)    _RGB_UNPACK_RED_LCD(x)
 357 #define RGB_UNPACK_GREEN_LCD(x)  _RGB_UNPACK_GREEN_LCD(x)
 358 #define RGB_UNPACK_BLUE_LCD(x)   _RGB_UNPACK_BLUE_LCD(x)
 359 #endif /* RGB565* */
 360 #else
 361 /* other colour depths */
 362 #endif
 363
 364 #define LCD_BLACK      LCD_RGBPACK(0, 0, 0)
 365 #define LCD_DARKGRAY   LCD_RGBPACK(85, 85, 85)
 366 #define LCD_LIGHTGRAY  LCD_RGBPACK(170, 170, 170)
 367 #define LCD_WHITE      LCD_RGBPACK(255, 255, 255)
 368 #define LCD_DEFAULT_FG LCD_WHITE
 369 #define LCD_DEFAULT_BG LCD_BLACK
 370 #define LCD_DEFAULT_LS LCD_WHITE
 371
 372 #elif LCD_DEPTH > 1 /* greyscale */
 373
 374 #define LCD_MAX_LEVEL ((1 << LCD_DEPTH) - 1)
 375 #define LCD_BRIGHTNESS(y) (((y) * LCD_MAX_LEVEL + 127) / 255)
 376
 377 #define LCD_BLACK      LCD_BRIGHTNESS(0)
 378 #define LCD_DARKGRAY   LCD_BRIGHTNESS(85)
 379 #define LCD_LIGHTGRAY  LCD_BRIGHTNESS(170)
 380 #define LCD_WHITE      LCD_BRIGHTNESS(255)
 381 #define LCD_DEFAULT_FG LCD_BLACK
 382 #define LCD_DEFAULT_BG LCD_WHITE
 383
 384 #endif /* HAVE_LCD_COLOR */
 385
 386 /* Frame buffer dimensions */
 387 #if LCD_DEPTH == 1
 388 #if LCD_PIXELFORMAT == HORIZONTAL_PACKING
 389 #define LCD_FBWIDTH ((LCD_WIDTH+7)/8)
 390 #else /* LCD_PIXELFORMAT == VERTICAL_PACKING */
 391 #define LCD_FBHEIGHT ((LCD_HEIGHT+7)/8)
 392 #endif /* LCD_PIXELFORMAT */
 393 #elif LCD_DEPTH == 2
 394 #if LCD_PIXELFORMAT == HORIZONTAL_PACKING
 395 #define LCD_FBWIDTH ((LCD_WIDTH+3)/4)
 396 #elif LCD_PIXELFORMAT == VERTICAL_PACKING
 397 #define LCD_FBHEIGHT ((LCD_HEIGHT+3)/4)
 398 #elif LCD_PIXELFORMAT == VERTICAL_INTERLEAVED
 399 #define LCD_FBHEIGHT ((LCD_HEIGHT+7)/8)
 400 #endif /* LCD_PIXELFORMAT */
 401 #endif /* LCD_DEPTH */
 402 /* Set defaults if not defined different yet. The defaults apply to both
 403  * dimensions for LCD_DEPTH >= 8 */
 404 #ifndef LCD_FBWIDTH
 405 #define LCD_FBWIDTH LCD_WIDTH
 406 #endif
 407 #ifndef LCD_FBHEIGHT
 408 #define LCD_FBHEIGHT LCD_HEIGHT
 409 #endif
 410 /* The actual framebuffer */
 411 extern fb_data lcd_framebuffer[LCD_FBHEIGHT][LCD_FBWIDTH];
 412
 413 /** Port-specific functions. Enable in port config file. **/
 414 #ifdef HAVE_REMOTE_LCD_AS_MAIN
 415 void lcd_on(void);
 416 void lcd_off(void);
 417 void lcd_poweroff(void);
 418 #endif
 419
 420 #ifdef HAVE_LCD_ENABLE
 421 /* Enable/disable the main display. */
 422 extern void lcd_enable(bool on);
 423 #endif /* HAVE_LCD_ENABLE */
 424
 425 #ifdef HAVE_LCD_SLEEP
 426 /* Put the LCD into a power saving state deeper than lcd_enable(false). */
 427 extern void lcd_sleep(void);
 428 #endif /* HAVE_LCD_SLEEP */
 429 #if defined(HAVE_LCD_ENABLE) || defined(HAVE_LCD_SLEEP)
 430 /* Register a hook that is called when the lcd is powered and after the
 431  * framebuffer data is synchronized */
 432 /* Sansa Clip has these function in it's lcd driver, since it's the only
 433  * 1-bit display featuring lcd_active, so far */
 434
 435 enum {
 436     LCD_EVENT_ACTIVATION = (EVENT_CLASS_LCD|1),
 437 };
 438
 439 extern bool lcd_active(void);
 440 #endif
 441
 442 #ifdef HAVE_LCD_SHUTDOWN
 443 extern void lcd_shutdown(void);
 444 #endif
 445
 446 /* Bitmap formats */
 447 enum
 448 {
 449     FORMAT_MONO,
 450     FORMAT_NATIVE,
 451     FORMAT_ANY   /* For passing to read_bmp_file() */
 452 };
 453
 454 #define FORMAT_TRANSPARENT 0x40000000
 455 #define FORMAT_DITHER      0x20000000
 456 #define FORMAT_REMOTE      0x10000000
 457 #define FORMAT_RESIZE      0x08000000
 458 #define FORMAT_KEEP_ASPECT 0x04000000
 459 #define FORMAT_RETURN_SIZE 0x02000000
 460
 461 #define TRANSPARENT_COLOR LCD_RGBPACK(255,0,255)
 462 #define REPLACEWITHFG_COLOR LCD_RGBPACK(0,255,255)
 463
 464 struct bitmap {
 465     int width;
 466     int height;
 467 #if (LCD_DEPTH > 1) || defined(HAVE_REMOTE_LCD) && (LCD_REMOTE_DEPTH > 1)
 468     int format;
 469     unsigned char *maskdata;
 470 #endif
 471     unsigned char *data;
 472 };
 473
 474 extern void lcd_set_invert_display(bool yesno);
 475 #ifdef HAVE_BACKLIGHT_INVERSION
 476 extern void lcd_set_backlight_inversion(bool yesno);
 477 #endif /* HAVE_BACKLIGHT_INVERSION */
 478 extern void lcd_set_flip(bool yesno);
 479
 480 extern void lcd_set_drawmode(int mode);
 481 extern int  lcd_get_drawmode(void);
 482 extern void lcd_setfont(int font);
 483 extern int lcd_getfont(void);
 484
 485 extern void lcd_puts_style_offset(int x, int y, const unsigned char *str,
 486                                   int style, int x_offset);
 487 extern void lcd_puts_style_xyoffset(int x, int y, const unsigned char *str,
 488                                   int style, int x_offset, int y_offset);
 489 extern void lcd_puts_scroll_style_offset(int x, int y, const unsigned char *string,
 490                                   int style, int x_offset);
 491 extern void lcd_puts_scroll_style_xyoffset(int x, int y, const unsigned char *string,
 492                                   int style, int x_offset, int y_offset);
 493
 494 /* low level drawing function pointer arrays */
 495 #if LCD_DEPTH >= 8
 496 extern lcd_fastpixelfunc_type* const *lcd_fastpixelfuncs;
 497 #elif LCD_DEPTH > 1
 498 extern lcd_pixelfunc_type* const *lcd_pixelfuncs;
 499 extern lcd_blockfunc_type* const *lcd_blockfuncs;
 500 #else /* LCD_DEPTH == 1*/
 501 extern lcd_pixelfunc_type* const lcd_pixelfuncs[8];
 502 extern lcd_blockfunc_type* const lcd_blockfuncs[8];
 503 #endif /* LCD_DEPTH */
 504
 505 extern void lcd_drawpixel(int x, int y);
 506 extern void lcd_drawline(int x1, int y1, int x2, int y2);
 507 extern void lcd_hline(int x1, int x2, int y);
 508 extern void lcd_vline(int x, int y1, int y2);
 509 extern void lcd_drawrect(int x, int y, int width, int height);
 510 extern void lcd_fillrect(int x, int y, int width, int height);
 511 extern void lcd_draw_border_viewport(void);
 512 extern void lcd_fill_viewport(void);
 513 extern void lcd_bitmap_part(const fb_data *src, int src_x, int src_y,
 514                             int stride, int x, int y, int width, int height);
 515 extern void lcd_bitmap(const fb_data *src, int x, int y, int width,
 516                        int height);
 517
 518 extern void lcd_scroll_step(int pixels);
 519
 520 #if LCD_DEPTH > 1
 521 extern void     lcd_set_foreground(unsigned foreground);
 522 extern unsigned lcd_get_foreground(void);
 523 extern void     lcd_set_background(unsigned background);
 524 extern unsigned lcd_get_background(void);
 525 #ifdef HAVE_LCD_COLOR
 526 extern void     lcd_set_selector_start(unsigned selector);
 527 extern void     lcd_set_selector_end(unsigned selector);
 528 extern void     lcd_set_selector_text(unsigned selector_text);
 529 #endif
 530 extern void     lcd_set_drawinfo(int mode, unsigned foreground,
 531                                  unsigned background);
 532 void lcd_set_backdrop(fb_data* backdrop);
 533
 534 fb_data* lcd_get_backdrop(void);
 535
 536 extern void lcd_mono_bitmap_part(const unsigned char *src, int src_x, int src_y,
 537                             int stride, int x, int y, int width, int height);
 538 extern void lcd_mono_bitmap(const unsigned char *src, int x, int y, int width,
 539                             int height);
 540 extern void lcd_bitmap_transparent_part(const fb_data *src,
 541                                         int src_x, int src_y,
 542                                         int stride, int x, int y, int width,
 543                                         int height);
 544 extern void lcd_bitmap_transparent(const fb_data *src, int x, int y,
 545                                    int width, int height);
 546 #else /* LCD_DEPTH == 1 */
 547 #define lcd_mono_bitmap lcd_bitmap
 548 #define lcd_mono_bitmap_part lcd_bitmap_part
 549 #endif /* LCD_DEPTH */
 550
 551 #endif /* HAVE_LCD_BITMAP */
 552
 553
 554 #ifdef HAVE_TOUCHSCREEN
 555 /* only needed for touchscreen for now, feel free to implement it for others
 556  * once needed
 557  */
 558
 559 #if defined(LCD_DPI) && (LCD_DPI > 0)
 560 /* returns the pixel density of the display */
 561 static inline int lcd_get_dpi(void) { return LCD_DPI; }
 562 #else
 563 extern int lcd_get_dpi(void);
 564 #endif /* LCD_DPI */
 565 #endif /* HAVE_TOUCHSCREEN */
 566
 567 #endif /* __LCD_H__ */