summaryrefslogblamecommitdiff
path: root/nuttx/arch/arm/src/dm320/dm320_framebuffer.c
blob: 8b5aec444b6062a6c3dd0265b15ceee8b749b21b (plain) (tree)
1
2
3
4
5
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
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530


                                                                             
                                                                     
                                           



































                                                                              
                   





                     
                          
                            





                                                                         
                            
























































































































































































































































































































































































































































































                                                                                                                 
                                        













                                         
                                        











                                         
                                        
















                                                                                                           
                                        

















                                                                                                           
                                                              



                            
                                                         
 
                                                


                                 
                                                  



                                                            
                                                  




                                                      
                                                    



                                                              
                                                    






                                                        
                                                  



                                                            
                                                  





                                                      
                                                  



                                                            
                                                  





                                                      
                                                  



                                                            
                                                  
















                                                                              
                                                           

                                                          
                                                       







                                 
                                                     






                                 
                                                     






                                 
                                                     





















                                                                              
                        









                                     
                        






                                 
                        






                                 
                        





































































                                                                                            
                                                             






                                                                         
                                                               






















                                                                          
                                                             




















                                                                          
                                                             























                                                                          
                                                             























































































































































































































































































                                                                                                           





                  












                                                                      
                                                                             



                                                 

                                                                         





































































                                                                                                
                  












































































                                                                              



                                  





















                                                                              











                                                                                  
 
                                                  
 




                                           
      
                                 

                                           
      
                                 

                                           
      
                                 






                                           
 




                                                                              
                      








                              
/****************************************************************************
 * arch/arm/src/dm320/dm320_framebuffer.c
 *
 *   Copyright (C) 2008-2009, 2013 Gregory Nutt. All rights reserved.
 *   Author: Gregory Nutt <gnutt@nuttx.org>
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in
 *    the documentation and/or other materials provided with the
 *    distribution.
 * 3. Neither the name NuttX nor the names of its contributors may be
 *    used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
 * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
 * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 *
 ****************************************************************************/

/****************************************************************************
 * Included Files
 ****************************************************************************/

#include <nuttx/config.h>

#include <stdint.h>
#include <stdlib.h>
#include <string.h>
#include <errno.h>
#include <debug.h>

#include <nuttx/fb.h>
#include <nuttx/kmalloc.h>
#include <nuttx/nx/nxglib.h>

#include "up_arch.h"
#include "dm320_memorymap.h"
#include "dm320_osd.h"

/************************************************************************
 * Pre-processor Definitions
 ************************************************************************/

/* Configuration ********************************************************/

/* Video (X,Y) base offset */

#ifndef CONFIG_DM320_BASEX
#  define CONFIG_DM320_BASEX 0x090
#endif

#ifndef CONFIG_DM320_BASEY
#  define CONFIG_DM320_BASEY 0x010
#endif

/* Background color */

#ifndef CONFIG_DM320_BKGDCLUT
#  define CONFIG_DM320_BKGDCLUT 0x00ff
#endif

#ifdef CONFIG_FB_HWCURSORIMAGE
#  error "Cursor image not supported"
#endif

/* Window selections */

#if defined(CONFIG_DM320_OSD0_RGB16) && defined(CONFIG_DM320_OSD1_RGB16)
#  error "Both CONFIG_DM320_OSD0_RGB16 and CONFIG_DM320_OSD1_RGB16 defined"
#endif

#if defined(CONFIG_DM320_VID0_DISABLE) && defined(CONFIG_DM320_VID1_DISABLE) && \
    defined(CONFIG_DM320_OSD0_DISABLE)  && defined(CONFIG_DM320_OSD1_DISABLE)
#  error "All windows are disabled, at least one window must be enabled"
#endif

#undef CONFIG_DM320_DISABLE_PINGPONG
#define CONFIG_DM320_DISABLE_PINGPONG 1 /* Not supported by interface */

/* Window positions and sizes */

#define MAX_XRES 640
#define MAX_YRES 480

#ifndef CONFIG_DM320_VID0_DISABLE
#  ifndef CONFIG_DM320_VID0_XRES
#    define CONFIG_DM320_VID0_XRES MAX_XRES
#  elif CONFIG_DM320_VID0_XRES > MAX_XRES
#    error "VID0 XRES out of range"
#  endif
#  ifndef CONFIG_DM320_VID0_XPOS
#    define CONFIG_DM320_VID0_XPOS 0
#  elif CONFIG_DM320_VID0_XPOS + CONFIG_DM320_VID0_XRES > MAX_XRES
#    error "VID0 XPOS out of range"
#  endif
#  ifndef CONFIG_DM320_VID0_YRES
#    define CONFIG_DM320_VID0_YRES MAX_YRES
#  elif CONFIG_DM320_VID0_YRES > MAX_YRES
#    error "VID0 YRES out of range"
#  endif
#  ifndef CONFIG_DM320_VID0_YPOS
#    define CONFIG_DM320_VID0_YPOS 0
#  elif CONFIG_DM320_VID0_YPOS + CONFIG_DM320_VID0_YRES > MAX_YRES
#    error "VID0 YPOS out of range"
#  endif
#endif

#ifndef CONFIG_DM320_VID1_DISABLE
#  ifndef CONFIG_DM320_VID1_XRES
#    define CONFIG_DM320_VID1_XRES MAX_XRES
#  elif CONFIG_DM320_VID1_XRES > MAX_XRES
#    error "VID1 XRES out of range"
#  endif
#  ifndef CONFIG_DM320_VID1_XPOS
#    define CONFIG_DM320_VID1_XPOS 0
#  elif CONFIG_DM320_VID1_XPOS + CONFIG_DM320_VID1_XRES > MAX_XRES
#    error "VID0 XPOS out of range"
#  endif
#  ifndef CONFIG_DM320_VID1_YRES
#    define CONFIG_DM320_VID1_YRES MAX_YRES
#  elif CONFIG_DM320_VID1_YRES > MAX_YRES
#    error "VID1 YRES out of range"
#  endif
#  ifndef CONFIG_DM320_VID1_YPOS
#    define CONFIG_DM320_VID1_YPOS 0
#  elif CONFIG_DM320_VID1_YPOS + CONFIG_DM320_VID1_YRES > MAX_YRES
#    error "VID1 YPOS out of range"
#  endif
#endif

#ifndef CONFIG_DM320_OSD0_DISABLE
#  ifndef CONFIG_DM320_OSD0_XRES
#    define CONFIG_DM320_OSD0_XRES MAX_XRES
#  elif CONFIG_DM320_OSD0_XRES > MAX_XRES
#    error "OSD0 XRES out of range"
#  endif
#  ifndef CONFIG_DM320_OSD0_XPOS
#    define CONFIG_DM320_OSD0_XPOS 0
#  elif CONFIG_DM320_OSD0_XPOS + CONFIG_DM320_OSD0_XRES > MAX_XRES
#    error "OSD0 XPOS out of range"
#  endif
#  ifndef CONFIG_DM320_OSD0_YRES
#    define CONFIG_DM320_OSD0_YRES MAX_YRES
#  elif CONFIG_DM320_OSD0_YRES > MAX_YRES
#    error "OSD0 YRES out of range"
#  endif
#  ifndef CONFIG_DM320_OSD0_YPOS
#    define CONFIG_DM320_OSD0_YPOS 0
#  elif CONFIG_DM320_OSD0_YPOS + CONFIG_DM320_OSD0_YRES > MAX_YRES
#    error "OSD0 YPOS out of range"
#  endif
#endif

#ifndef CONFIG_DM320_OSD1_DISABLE
#  ifndef CONFIG_DM320_OSD1_XRES
#    define CONFIG_DM320_OSD1_XRES MAX_XRES
#  elif CONFIG_DM320_OSD1_XRES > MAX_XRES
#    error "OSD1 XRES out of range"
#  endif
#  ifndef CONFIG_DM320_OSD1_XPOS
#    define CONFIG_DM320_OSD1_XPOS 0
#  elif CONFIG_DM320_OSD1_XPOS + CONFIG_DM320_OSD1_XRES > MAX_XRES
#    error "OSD1 XPOS out of range"
#  endif
#  ifndef CONFIG_DM320_OSD1_YRES
#    define CONFIG_DM320_OSD1_YRES MAX_YRES
#  elif CONFIG_DM320_OSD0_YRES > MAX_YRES
#    error "OSD0 YRES out of range"
#  endif
#  ifndef CONFIG_DM320_OSD1_YPOS
#    define CONFIG_DM320_OSD1_YPOS 0
#  elif CONFIG_DM320_OSD1_YPOS + CONFIG_DM320_OSD1_YRES > MAX_YRES
#    error "OSD1 YPOS out of range"
#  endif
#endif

/* Cursor selections */

#ifdef CONFIG_FB_HWCURSOR
#  ifndef CONFIG_DM320_CURSORCLUT
#    define CONFIG_DM320_CURSORCLUT 0x00
#  endif
#  ifndef CONFIG_DM320_CURSORLINEWIDTH
#    define CONFIG_DM320_CURSORLINEWIDTH 1
#  endif
#  if CONFIG_DM320_CURSORLINEWIDTH > 7
#    error "Rectangular cursor width is out of range"
#  endif
#  ifndef CONFIG_DM320_CURSORLINEHEIGHT
#    define CONFIG_DM320_CURSORLINEHEIGHT 1
#  endif
#  if CONFIG_DM320_CURSORLINEHEIGHT > 7
#    error "Rectangular cursor height is out of range"
#  endif
#  ifndef CONFIG_DM320_RECTCURSOR_WIDTH
#    define CONFIG_DM320_RECTCURSOR_WIDTH MAX_XRES
#  elif CONFIG_DM320_RECTCURSOR_WIDTH > MAX_XRES
#    error "Cursor width out of range"
#  endif
#  ifndef CONFIG_DM320_RECTCURSOR_HEIGHT
#    define CONFIG_DM320_RECTCURSOR_HEIGHT MAX_YRES
#  elif CONFIG_DM320_RECTCURSOR_HEIGHT > MAX_YRES
#    error "Cursor width out of range"
#  endif
#endif

/* DM320 ****************************************************************/

/* Video planes.  This long messy conditional compilation results in
 * consecutive plane numbers assigned for enable planes and the total
 * number of planes
 */

#ifndef CONFIG_DM320_VID0_DISABLE
#  define DM320_VIDWIN0         (0)            /* Have VID0 */
#  ifndef CONFIG_DM320_VID1_DISABLE
#    define DM320_VIDWIN1       (1)            /* Have VID0+VID1 */
#    ifndef CONFIG_DM320_OSD0_DISABLE
#      define DM320_OSDWIN0     (2)            /* Have VID0+VID1+OSD0 */
#      ifndef CONFIG_DM320_OSD1_DISABLE
#        define DM320_OSDWIN1   (3)            /* Have VID0+VID1+OSD0+OSD1 */
#        define DM320_NFRAMES   (4)
#      else
#        define DM320_NFRAMES   (3)            /* Have VID0+VID1+OSD0 but not OSD1 */
#      endif
#    else                                      /* Have VID0+VID1 but not OSD0 */
#      ifndef CONFIG_DM320_OSD1_DISABLE
#        define DM320_OSDWIN1   (2)            /* Have VID0+VID1+OSD1 but not OSD0 */
#        define DM320_NFRAMES   (3)
#      else
#        define DM320_NFRAMES   (2)            /* Have VID0+VID1 but not OSD0 or OSD1 */
#      endif
#    endif
#  else                                        /* Have VID0 but not VID1 */
#    ifndef CONFIG_DM320_OSD0_DISABLE
#      define DM320_OSDWIN0     (1)            /* Have VID0+OSD0 but not VID1 */
#      ifndef CONFIG_DM320_OSD1_DISABLE
#        define DM320_OSDWIN1   (2)            /* Have VID0+OSD0+OSD1 but not VID1 */
#        define DM320_NFRAMES   (3)
#      else
#        define DM320_NFRAMES   (2)            /* Have VID0+OSD0 but not VID1 or OSD1 */
#      endif
#    else                                      /* Have VID0 but not VID1 or OSD0 */
#        ifndef CONFIG_DM320_OSD1_DISABLE
#          define DM320_OSDWIN1 (1)            /* Have VID0+OSD1 but not VID1 or OSD0 */
#          define DM320_NFRAMES (3)
#        else
#          define DM320_NFRAMES (2)            /* Have VID0 but not VID1, OSD0, or OSD1 */
#        endif
#      endif
#    endif
#else                                          /* Don't have VID0 */
#  ifndef CONFIG_DM320_VID1_DISABLE
#    define DM320_VIDWIN1     (0)            /* Have VID1 but not VID0 */
#    ifndef CONFIG_DM320_OSD0_DISABLE
#     define DM320_OSDWIN0    (1)            /* Have VID1+OSD0 not VID0 */
#      ifndef CONFIG_DM320_OSD1_DISABLE
#        define DM320_OSDWIN1 (2)            /* Have VID1+OSD0+OSD1 not VID0 */
#        define DM320_NFRAMES (3)
#      else
#        define DM320_NFRAMES (2)            /* Have VID1+OSD0 but not VID0 or OSD1 */
#      endif
#    else                                    /* Have VID1 but not VID0 or OSD0 */
#      ifndef CONFIG_DM320_OSD1_DISABLE
#        define DM320_OSDWIN1 (1)            /* Have VID1+OSD1 but not VID0 or OSD0 */
#        define DM320_NFRAMES (2)
#      else
#        define DM320_NFRAMES (2)            /* Have VID1 but not VID0, OSD0 or OSD1 */
#      endif
#    endif
#  else                                      /* Don't have VID0 or VID1 */
#    ifndef CONFIG_DM320_OSD0_DISABLE
#      define DM320_OSDWIN0   (0)            /* Have OSD0 but not VID0 or VID1 */
#      ifndef CONFIG_DM320_OSD1_DISABLE
#        define DM320_OSDWIN1 (1)            /* Have OSD0+OSD1 but not VID0 or VID1 */
#        define DM320_NFRAMES (2)
#      else
#        define DM320_NFRAMES (1)            /* Have OSD0 but VID0, VID, or OSD1 */
#      endif
#    else                                    /* Don't have VID0, VID1, or OSD0 */
#      ifndef CONFIG_DM320_OSD1_DISABLE
#        define DM320_OSDWIN1 (0)            /* Have OSD1 but not VID0, VID1, or OSD0 */
#        define DM320_NFRAMES (1)
#      else
#        error "No video planes enabled"
#      endif
#    endif
#  endif
#endif

/* Bits per pixel */

#define DM320_VID0_BPP          (16)
#define DM320_VID1_BPP          (16)
#ifdef CONFIG_DM320_OSD0_RGB16
#  define DM320_OSD0_BPP        (16)
#else
#  define DM320_OSD0_BPP        (8)
#endif
#ifdef CONFIG_DM320_OSD1_RGB16
#  define DM320_OSD1_BPP        (16)
#else
#  define DM320_OSD1_BPP        (8)
#endif

/* These are DM320-specific ranges for the BASEPX/Y registers */

#define DM320_MIN_BASEPX        (24)
#define DM320_MAX_BASEPX        (1023)
#define DM320_MIN_BASEPY        (1)
#define DM320_MAX_BASEPY        (511)

#if (CONFIG_DM320_BASEX < DM320_MIN_BASEPX || CONFIG_DM320_BASEX > DM320_MAX_BASEPX)
#  error "CONFIG_DM320_BASEX is out of range"
#endif

#if (CONFIG_DM320_BASEY < DM320_MIN_BASEPY || CONFIG_DM320_BASEY > DM320_MAX_BASEPY)
#  error "CONFIG_DM320_BASEY is out of range"
#endif

/* The width of a line in bytes */

#define DM320_VID0_STRIDE       (CONFIG_DM320_VID0_XRES * DM320_VID0_BPP / 8)
#define DM320_VID1_STRIDE       (CONFIG_DM320_VID1_XRES * DM320_VID1_BPP / 8)
#define DM320_OSD0_STRIDE       (CONFIG_DM320_OSD0_XRES * DM320_OSD0_BPP / 8)
#define DM320_OSD1_STRIDE       (CONFIG_DM320_OSD1_XRES * DM320_OSD1_BPP / 8)

/* The area of the screen in bytes */

#define DM320_VID0_FBLEN        (DM320_VID0_STRIDE * CONFIG_DM320_VID0_YRES)
#define DM320_VID1_FBLEN        (DM320_VID1_STRIDE * CONFIG_DM320_VID1_YRES)
#define DM320_OSD0_FBLEN        (DM320_OSD0_STRIDE * CONFIG_DM320_OSD0_YRES)
#define DM320_OSD1_FBLEN        (DM320_OSD1_STRIDE * CONFIG_DM320_OSD1_YRES)

/* Video/OSD modes */

#ifndef CONFIG_DM320_VID0_DISABLE
#  ifdef CONFIG_DM320_VID0_FRAMEMODE
#    define DM320_VID0MODE 0x0003
#  else
#    define DM320_VID0MODE 0x0001
#  endif
#else
#  define DM320_VID0MODE   0x0000
#endif

#ifndef CONFIG_DM320_VID1_DISABLE
#  ifdef CONFIG_DM320_VID1_FRAMEMODE
#    define DM320_VID1MODE 0x0300
#  else
#    define DM320_VID1MODE 0x0100
#  endif
#else
#  define DM320_VID1MODE   0x0000
#endif

#define DM320_VIDMODE (DM320_VID0MODE|DM320_VID1MODE)

#ifndef CONFIG_DM320_OSD0_DISABLE
#  ifdef CONFIG_DM320_OSD0_FRAMEMODE
#    define OSD0MODE_FRAME 0x0002
#  else
#    define OSD0_FRAMEMODE 0x0000
#  endif

#  ifdef CONFIG_DM320_OSD0_TRANSPMODE
#    ifdef CONFIG_DM320_OSD0_BLEND8THS
#      if CONFIG_DM320_OSD0_BLEND8THS == 8
#        define OSD0MODE_TRANSPMODE 0x0004
#      elif CONFIG_DM320_OSD0_BLEND8THS == 7
#        define OSD0MODE_TRANSPMODE 0x000c
#      elif CONFIG_DM320_OSD0_BLEND8THS == 6
#        define OSD0MODE_TRANSPMODE 0x0014
#      elif CONFIG_DM320_OSD0_BLEND8THS == 5
#        define OSD0MODE_TRANSPMODE 0x001c
#      elif CONFIG_DM320_OSD0_BLEND8THS == 4
#        define OSD0MODE_TRANSPMODE 0x0024
#      elif CONFIG_DM320_OSD0_BLEND8THS == 3
#        define OSD0MODE_TRANSPMODE 0x002c
#      elif CONFIG_DM320_OSD0_BLEND8THS == 2
#        define OSD0MODE_TRANSPMODE 0x0034
#      elif CONFIG_DM320_OSD0_BLEND8THS == 0
#        define OSD0MODE_TRANSPMODE 0x003c
#      else
#        error "Invalid OSD0 transparency selection"
#      endif
#    else
#      define OSD0MODE_TRANSPMODE 0x0004
#    endif
#  else
#    define OSD0MODE_TRANSPMODE 0x0000
#  endif

#  ifdef CONFIG_DM320_OSD0_RGB16
#    define OSD0MODE_RGB16 0x2000
#  else
#    define OSD0MODE_RGB16 0x0000
#  endif

#  define INITIAL_OSD0MODE (0x00c1|OSD0MODE_TRANSPMODE|OSD0_FRAMEMODE|OSD0MODE_RGB16)
#endif

#ifndef CONFIG_DM320_OSD1_DISABLE
#  ifdef CONFIG_DM320_OSD1_FRAMEMODE
#    define OSD1MODE_FRAME 0x0002
#  else
#    define OSD1MODE_FRAME 0x0000
#  endif

#  ifdef CONFIG_DM320_OSD1_TRANSPMODE
#    ifdef CONFIG_DM320_OSD1_BLEND8THS
#      if CONFIG_DM320_OSD1_BLEND8THS == 8
#        define OSD1MODE_TRANSPMODE 0x0004
#      elif CONFIG_DM320_OSD1_BLEND8THS == 7
#        define OSD1MODE_TRANSPMODE 0x000c
#      elif CONFIG_DM320_OSD1_BLEND8THS == 6
#        define OSD1MODE_TRANSPMODE 0x0014
#      elif CONFIG_DM320_OSD1_BLEND8THS == 5
#        define OSD1MODE_TRANSPMODE 0x001c
#      elif CONFIG_DM320_OSD1_BLEND8THS == 4
#        define OSD1MODE_TRANSPMODE 0x0024
#      elif CONFIG_DM320_OSD1_BLEND8THS == 3
#        define OSD1MODE_TRANSPMODE 0x002c
#      elif CONFIG_DM320_OSD1_BLEND8THS == 2
#        define OSD1MODE_TRANSPMODE 0x0034
#      elif CONFIG_DM320_OSD1_BLEND8THS == 0
#        define OSD1MODE_TRANSPMODE 0x003c
#      else
#        error "Invalid OSD1 transparency selection"
#      endif
#    else
#      define OSD1MODE_TRANSPMODE 0x0004
#    endif
#  else
#    define OSD1MODE_TRANSPMODE 0x0000
#  endif

#  ifdef CONFIG_DM320_OSD1_RGB16
#    define OSD1MODE_RGB16 0x2000
#  else
#    define OSD1MODE_RGB16 0x0000
#  endif

#  ifdef CONFIG_DM32_OSD1_ATTRIB
#    define OSD1MODE_ATTRIB 0x8000
#  else
#    define OSD1MODE_ATTRIB 0x0000
#  endif

#  define INITIAL_OSD1MODE (0x00c1|OSD1MODE_TRANSPMODE|OSD1MODE_FRAME|OSD1MODE_RGB16|OSD1MODE_ATTRIB)
#endif

/* Rectangular cursor mode */

#ifdef CONFIG_FB_HWCURSOR
#  define DM320_RECTCURSOR_SETUP \
   ((CONFIG_DM320_CURSORLINEHEIGHT << 1) | \
    (CONFIG_DM320_CURSORLINEWIDTH <<4) | \
    (CONFIG_DM320_CURSORCLUT << 8))
#endif

/****************************************************************************
 * Private Types
 ****************************************************************************/

/****************************************************************************
 * Private Function Prototypes
 ****************************************************************************/

/* Initialization */

static int  dm320_allocvideomemory(void);
static void dm320_freevideomemory(void);
static void dm320_hwinitialize(void);

/* Framebuffer interface methods */

#ifndef CONFIG_DM320_VID0_DISABLE
static int dm320_getvid0videoinfo(FAR struct fb_vtable_s *vtable, FAR struct fb_videoinfo_s *vinfo);
static int dm320_getvid0planeinfo(FAR struct fb_vtable_s *vtable, int planeno, FAR struct fb_planeinfo_s *pinfo);
#endif
#ifndef CONFIG_DM320_VID1_DISABLE
static int dm320_getvid1videoinfo(FAR struct fb_vtable_s *vtable, FAR struct fb_videoinfo_s *vinfo);
static int dm320_getvid1planeinfo(FAR struct fb_vtable_s *vtable, int planeno, FAR struct fb_planeinfo_s *pinfo);
#endif
#ifndef CONFIG_DM320_OSD0_DISABLE
static int dm320_getosd0videoinfo(FAR struct fb_vtable_s *vtable, FAR struct fb_videoinfo_s *vinfo);
static int dm320_getosd0planeinfo(FAR struct fb_vtable_s *vtable, int planeno, FAR struct fb_planeinfo_s *pinfo);
#endif
#ifndef CONFIG_DM320_OSD1_DISABLE
static int dm320_getosd1videoinfo(FAR struct fb_vtable_s *vtable, FAR struct fb_videoinfo_s *vinfo);
static int dm320_getosd1planeinfo(FAR struct fb_vtable_s *vtable, int planeno, FAR struct fb_planeinfo_s *pinfo);
#endif
#if defined(CONFIG_FB_CMAP) && (!defined(CONFIG_DM320_OSD0_DISABLE) && !defined(CONFIG_DM320_OSD1_DISABLE))
static int dm320_getcmap(FAR struct fb_vtable_s *vtable, FAR struct fb_cmap_s *cmap);
static int dm320_putcmap(FAR struct fb_vtable_s *vtable, FAR const struct fb_cmap_s *cmap);
#endif
#ifdef CONFIG_FB_HWCURSOR
static int dm320_getcursor(FAR struct fb_vtable_s *vtable, FAR struct fb_cursorattrib_s *attrib);
static int dm320_setcursor(FAR struct fb_vtable_s *vtable, FAR struct fb_setcursor_s *setttings);
#endif

/****************************************************************************
 * Private Data
 ****************************************************************************/

/* These are the addresses of allocated framebuffer memory regions */

#ifndef CONFIG_DM320_VID0_DISABLE
static FAR void *g_vid0base = 0;
#ifndef CONFIG_DM320_DISABLE_PINGPONG
static FAR void *g_vid0ppbase = 0;
#endif

static struct fb_vtable_s g_vid0vtable =
{
  .getvideoinfo = dm320_getvid0videoinfo,
  .getplaneinfo = dm320_getvid0planeinfo,
#ifdef CONFIG_FB_HWCURSOR
  .getcursor    = dm320_getcursor,
  .setcursor    = dm320_setcursor,
#endif
};

#endif

#ifndef CONFIG_DM320_VID1_DISABLE
static FAR void *g_vid1base = 0;

static struct fb_vtable_s g_vid1vtable =
{
  .getvideoinfo = dm320_getvid1videoinfo,
  .getplaneinfo = dm320_getvid1planeinfo,
#ifdef CONFIG_FB_HWCURSOR
  .getcursor    = dm320_getcursor,
  .setcursor    = dm320_setcursor,
#endif
};
#endif

#ifndef CONFIG_DM320_OSD0_DISABLE
static FAR void *g_osd0base = 0;
static struct fb_vtable_s g_osd0vtable =
{
  .getvideoinfo = dm320_getosd0videoinfo,
  .getplaneinfo = dm320_getosd0planeinfo,
#if defined(CONFIG_FB_CMAP) && (!defined(CONFIG_DM320_OSD0_DISABLE) && !defined(CONFIG_DM320_OSD1_DISABLE))
  .getcmap      = dm320_getcmap,
  .putcmap      = dm320_putcmap,
#endif
#ifdef CONFIG_FB_HWCURSOR
  .getcursor    = dm320_getcursor,
  .setcursor    = dm320_setcursor,
#endif
};

#endif

#ifndef CONFIG_DM320_OSD1_DISABLE
static FAR void *g_osd1base = 0;
static struct fb_vtable_s g_osd1vtable =
{
  .getvideoinfo = dm320_getosd1videoinfo,
  .getplaneinfo = dm320_getosd1planeinfo,
#if defined(CONFIG_FB_CMAP) && (!defined(CONFIG_DM320_OSD0_DISABLE) && !defined(CONFIG_DM320_OSD1_DISABLE))
  .getcmap      = dm320_getcmap,
  .putcmap      = dm320_putcmap,
#endif
#ifdef CONFIG_FB_HWCURSOR
  .getcursor    = dm320_getcursor,
  .setcursor    = dm320_setcursor,
#endif
};
#endif

/****************************************************************************
 * Private Functions
 ****************************************************************************/

static inline void dm320_blankscreen(uint8_t *buffer, int len)
{
  memset(buffer, 0xff, len);
}

static inline uint32_t dm320_physaddr(FAR void *fb_vaddr)
{
  return (uint32_t)fb_vaddr - DM320_SDRAM_VADDR;
}

#ifndef CONFIG_DM320_VID0_DISABLE
static inline uint32_t dm320_vid0upperoffset(void)
{
  return (((dm320_physaddr(g_vid0base) / 32) >> 16) & 0xff);
}

static inline uint32_t dm320_vid0loweroffset(void)
{
  return ((dm320_physaddr(g_vid0base) / 32) & 0xffff);
}

#ifndef CONFIG_DM320_DISABLE_PINGPONG
static inline uint32_t dm320_vid0ppupperoffset(void)
{
  return (((dm320_physaddr(g_vid0ppbase) / 32) >> 16) & 0xff);
}

static inline uint32_t dm320_vid0pploweroffset(void)
{
  return ((dm320_physaddr(g_vid0ppbase) / 32) & 0xffff);
}
#endif
#endif

#ifndef CONFIG_DM320_VID1_DISABLE
static inline uint32_t dm320_vid1upperoffset(void)
{
  return (((dm320_physaddr(g_vid1base) / 32) >> 16) & 0xff);
}

static inline uint32_t dm320_vid1loweroffset(void)
{
  return ((dm320_physaddr(g_vid1base) / 32) & 0xffff);
}
#endif

#ifndef CONFIG_DM320_OSD0_DISABLE
static inline uint32_t dm320_osd0upperoffset(void)
{
  return (((dm320_physaddr(g_osd0base) / 32) >> 16) & 0xff);
}

static inline uint32_t dm320_osd0loweroffset(void)
{
  return ((dm320_physaddr(g_osd0base) / 32) & 0xffff);
}
#endif

#ifndef CONFIG_DM320_OSD1_DISABLE
static inline uint32_t dm320_osd1upperoffset(void)
{
  return (((dm320_physaddr(g_osd1base) / 32) >> 16) & 0xff);
}

static inline uint32_t dm320_osd1loweroffset(void)
{
  return ((dm320_physaddr(g_osd1base) / 32) & 0xffff);
}
#endif

/****************************************************************************
 * Private Functions
 ****************************************************************************/

/****************************************************************************
 * dm320_allocvideomemory
 ****************************************************************************/

static int dm320_allocvideomemory(void)
{
#ifndef CONFIG_DM320_VID0_DISABLE
#ifndef CONFIG_DM320_DISABLE_PINGPONG
  g_vid0base   = (FAR void *)kmalloc(2 * DM320_VID0_FBLEN);
  g_vid0ppbase = (FAR char*)g_vid0base + DM320_VID0_FBLEN;
#else
  g_vid0base   = (FAR void *)kmalloc(DM320_VID0_FBLEN);
#endif
  if (!g_vid0base)
    {
      goto errout;
    }
#endif

#ifndef CONFIG_DM320_VID1_DISABLE
  g_vid1base = (FAR void *)kmalloc(DM320_VID1_FBLEN);
  if (!g_vid1base)
    {
      goto errout;
    }
#endif

#ifndef CONFIG_DM320_OSD0_DISABLE
  g_osd0base = (FAR void *)kmalloc(DM320_OSD0_FBLEN);
  if (!g_osd0base)
    {
      goto errout;
    }
#endif

#ifndef CONFIG_DM320_OSD1_DISABLE
  g_osd1base = (FAR void *)kmalloc(DM320_OSD1_FBLEN);
  if (!g_osd1base)
    {
      goto errout;
    }
#endif

  return OK;

errout:
  dm320_freevideomemory();
  return -ENOMEM;
}

/****************************************************************************
 * Name: dm320_freevideomemory
 ****************************************************************************/

static void dm320_freevideomemory(void)
{
#ifndef CONFIG_DM320_VID0_DISABLE
  if (g_vid0base)
    {
      kfree(g_vid0base);
      g_vid0base = NULL;
#ifndef CONFIG_DM320_DISABLE_PINGPONG
      g_vid0ppbase = NULL;
#endif
    }
#endif

#ifndef CONFIG_DM320_VID1_DISABLE
  if (g_vid1base != 0)
    {
      kfree(g_vid1base);
      g_vid1base = NULL;
    }
#endif

#ifndef CONFIG_DM320_OSD0_DISABLE
  if (g_osd0base != 0)
    {
      kfree(g_osd0base);
      g_osd0base = NULL;
    }
#endif

#ifndef CONFIG_DM320_OSD1_DISABLE
  if (g_osd1base != 0)
    {
      kfree(g_osd1base);
      g_osd1base = NULL;
    }
#endif
}

/****************************************************************************
 * Name: dm320_disable
 ****************************************************************************/

static void dm320_disable(void)
{
  /* Disable all planes */

  gvdbg("Inactivate OSD:\n");

  putreg16(0, DM320_OSD_OSDWIN0MD); /* Win0 mode = 0 (1:active) */
  putreg16(0, DM320_OSD_OSDWIN1MD); /* Win1 mode = 0 (1:active) */
  putreg16(0, DM320_OSD_RECTCUR);   /* Rectangular cursor mode = 0 (1:active) */

  gvdbg("DM320_OSD_OSDWIN0MD:   %04x\n", getreg16(DM320_OSD_OSDWIN0MD));
  gvdbg("DM320_OSD_OSDWIN1MD:   %04x\n", getreg16(DM320_OSD_OSDWIN1MD));
  gvdbg("DM320_OSD_RECTCUR:     %04x\n", getreg16(DM320_OSD_RECTCUR));
}

/****************************************************************************
 * Name: dm320_hwinitialize
 ****************************************************************************/

static void dm320_hwinitialize(void)
{
  /* Disable all planes */

  dm320_disable();

  /* Initialize the main video to correct the origin */

  gvdbg("Setup main video origin:\n");

  putreg16(CONFIG_DM320_BASEX, DM320_OSD_BASEPX);
  putreg16(CONFIG_DM320_BASEY, DM320_OSD_BASEPY);

  gvdbg("DM320_OSD_BASEPX:      %04x\n", getreg16(DM320_OSD_BASEPX));
  gvdbg("DM320_OSD_BASEPY:      %04x\n", getreg16(DM320_OSD_BASEPY));

  /* Set up the frame buffer address registers */

  gvdbg("Setup framebuffer addresses:\n");


  putreg16(((dm320_osd1upperoffset() << 8) |
        dm320_osd0upperoffset()), DM320_OSD_OSDWINADH);
  putreg16(dm320_osd0loweroffset(), DM320_OSD_OSDWIN0ADL);
  putreg16(dm320_osd1loweroffset(), DM320_OSD_OSDWIN1ADL);

  gvdbg("DM320_OSD_OSDWINADH:   %04x\n", getreg16(DM320_OSD_OSDWINADH));
  gvdbg("DM320_OSD_OSDWIN0ADL:  %04x\n", getreg16(DM320_OSD_OSDWIN0ADL));
  gvdbg("DM320_OSD_OSDWIN1ADL:  %04x\n", getreg16(DM320_OSD_OSDWIN1ADL));

  /* Set up VID WIN0 */

#if defined(CONFIG_DM320_VID0_DISABLE) || defined(CONFIG_DM320_VID1_DISABLE)
  putreg16(((dm320_vid1upperoffset() << 8) | dm320_vid0upperoffset()), DM320_OSD_VIDWINADH);
#endif

#ifndef CONFIG_DM320_VID0_DISABLE
  gvdbg("Initialize video win0:\n");
  putreg16(dm320_vid0loweroffset(), DM320_OSD_VIDWIN0ADL);

  gvdbg("DM320_OSD_VIDWINADH:   %04x\n", getreg16(DM320_OSD_VIDWINADH));
  gvdbg("DM320_OSD_VIDWIN0ADL:  %04x\n", getreg16(DM320_OSD_VIDWIN0ADL));
  dm320_blankscreen((uint8_t *)g_vid0base, DM320_VID0_FBLEN);

#ifndef CONFIG_DM320_DISABLE_PINGPONG
  putreg16(dm320_vid0ppupperoffset(), DM320_OSD_PPVWIN0ADH);
  putreg16(dm320_vid0pploweroffset(), DM320_OSD_PPVWIN0ADL);

  gvdbg("DM320_OSD_PPVWIN0ADH:  %04x\n", getreg16(DM320_OSD_PPVWIN0ADH));
  gvdbg("DM320_OSD_PPVWIN0ADL:  %04x\n", getreg16(DM320_OSD_PPVWIN0ADL));
  dm320_blankscreen((uint8_t *)g_vid0ppbase, DM320_VID0_FBLEN);
#endif

  putreg16(CONFIG_DM320_VID0_XPOS, DM320_OSD_VIDWIN0XP);
  putreg16(CONFIG_DM320_VID0_YPOS, DM320_OSD_VIDWIN0YP);
  putreg16((CONFIG_DM320_VID0_XRES >> 4), DM320_OSD_VIDWIN0OFST);
  putreg16(CONFIG_DM320_VID0_XRES, DM320_OSD_VIDWIN0XL);
  putreg16(CONFIG_DM320_VID0_YRES, DM320_OSD_VIDWIN0YL);

  gvdbg("DM320_OSD_VIDWIN0XP:   %04x\n", getreg16(DM320_OSD_VIDWIN0XP));
  gvdbg("DM320_OSD_VIDWIN0YP:   %04x\n", getreg16(DM320_OSD_VIDWIN0YP));
  gvdbg("DM320_OSD_VIDWIN0OFST: %04x\n", getreg16(DM320_OSD_VIDWIN0OFST));
  gvdbg("DM320_OSD_VIDWIN0XL:   %04x\n", getreg16(DM320_OSD_VIDWIN0XL));
  gvdbg("DM320_OSD_VIDWIN0YL:   %04x\n", getreg16(DM320_OSD_VIDWIN0YL));
#endif

  /* Set up VID WIN1 */

#ifndef CONFIG_DM320_VID1_DISABLE
  gvdbg("Initialize video win1:\n");
  putreg16(dm320_vid1loweroffset(), DM320_OSD_VIDWIN1ADL);

  gvdbg("DM320_OSD_VIDWINADH:   %04x\n", getreg16(DM320_OSD_VIDWINADH));
  gvdbg("DM320_OSD_VIDWIN1ADL:  %04x\n", getreg16(DM320_OSD_VIDWIN1ADL));
  dm320_blankscreen((uint8_t *)g_vid1base, DM320_VID1_FBLEN);

  putreg16(CONFIG_DM320_VID1_XPOS, DM320_OSD_VIDWIN1XP);
  putreg16(CONFIG_DM320_VID1_XPOS, DM320_OSD_VIDWIN1YP);
  putreg16((CONFIG_DM320_VID1_XRES >> 4), DM320_OSD_VIDWIN1OFST);
  putreg16(CONFIG_DM320_VID1_XRES, DM320_OSD_VIDWIN1XL);
  putreg16(CONFIG_DM320_VID1_YRES, DM320_OSD_VIDWIN1YL);

  gvdbg("DM320_OSD_VIDWIN1XP:   %04x\n", getreg16(DM320_OSD_VIDWIN1XP));
  gvdbg("DM320_OSD_VIDWIN1YP:   %04x\n", getreg16(DM320_OSD_VIDWIN1YP));
  gvdbg("DM320_OSD_VIDWIN1OFST: %04x\n", getreg16(DM320_OSD_VIDWIN1OFST));
  gvdbg("DM320_OSD_VIDWIN1XL:   %04x\n", getreg16(DM320_OSD_VIDWIN1XL));
  gvdbg("DM320_OSD_VIDWIN1YL:   %04x\n", getreg16(DM320_OSD_VIDWIN1YL));
#endif

  putreg16(DM320_VIDMODE, DM320_OSD_VIDWINMD);
  gvdbg("DM320_OSD_VIDWINMD:    %04x\n", getreg16(DM320_OSD_VIDWINMD));

  /* Set up OSD WIN0 */

#ifndef CONFIG_DM320_OSD0_DISABLE
  gvdbg("Initialize OSD win0:\n");
  dm320_blankscreen((uint8_t *)g_osd0base, DM320_OSD0_FBLEN);

  putreg16(CONFIG_DM320_OSD0_XPOS, DM320_OSD_OSDWIN0XP);
  putreg16(CONFIG_DM320_OSD0_YPOS, DM320_OSD_OSDWIN0YP);
#ifdef CONFIG_DM320_OSD1_RGB16
  putreg16((CONFIG_DM320_OSD0_XRES >> 4), DM320_OSD_OSDWIN0OFST);
#else
  putreg16((CONFIG_DM320_OSD0_XRES >> 5), DM320_OSD_OSDWIN0OFST);
#endif
  putreg16(CONFIG_DM320_OSD0_XRES, DM320_OSD_OSDWIN0XL);
  putreg16(CONFIG_DM320_OSD0_YRES, DM320_OSD_OSDWIN0YL);
  putreg16(INITIAL_OSD0MODE, DM320_OSD_OSDWIN0MD);

  gvdbg("DM320_OSD_OSDWIN0XP:   %04x\n", getreg16(DM320_OSD_OSDWIN0XP));
  gvdbg("DM320_OSD_OSDWIN0YP:   %04x\n", getreg16(DM320_OSD_OSDWIN0YP));
  gvdbg("DM320_OSD_OSDWIN0OFST: %04x\n", getreg16(DM320_OSD_OSDWIN0OFST));
  gvdbg("DM320_OSD_OSDWIN0XL:   %04x\n", getreg16(DM320_OSD_OSDWIN0XL));
  gvdbg("DM320_OSD_OSDWIN0YL:   %04x\n", getreg16(DM320_OSD_OSDWIN0YL));
  gvdbg("DM320_OSD_OSDWIN0MD:   %04x\n", getreg16(DM320_OSD_OSDWIN0MD));
#endif

  /* Set up OSD WIN1 */

#ifndef CONFIG_DM320_OSD1_DISABLE
  gvdbg("Initialize OSD win1\n");
  dm320_blankscreen((uint8_t *)g_osd1base, DM320_OSD1_FBLEN);

  putreg16(CONFIG_DM320_OSD1_XPOS, DM320_OSD_OSDWIN1XP);
  putreg16(CONFIG_DM320_OSD1_YPOS, DM320_OSD_OSDWIN1YP);
#ifdef CONFIG_DM320_OSD1_RGB16
  putreg16((CONFIG_DM320_OSD1_XRES >> 4), DM320_OSD_OSDWIN1OFST);
#else
  putreg16((CONFIG_DM320_OSD1_XRES >> 5), DM320_OSD_OSDWIN1OFST);
#endif
  putreg16(CONFIG_DM320_OSD1_XRES, DM320_OSD_OSDWIN1XL);
  putreg16(CONFIG_DM320_OSD1_YRES, DM320_OSD_OSDWIN1YL);
  putreg16(INITIAL_OSD1MODE, DM320_OSD_OSDWIN1MD);

  gvdbg("DM320_OSD_OSDWIN1XP:   %04x\n", getreg16(DM320_OSD_OSDWIN1XP));
  gvdbg("DM320_OSD_OSDWIN1YP:   %04x\n", getreg16(DM320_OSD_OSDWIN1YP));
  gvdbg("DM320_OSD_OSDWIN1OFST: %04x\n", getreg16(DM320_OSD_OSDWIN1OFST));
  gvdbg("DM320_OSD_OSDWIN1XL:   %04x\n", getreg16(DM320_OSD_OSDWIN1XL));
  gvdbg("DM320_OSD_OSDWIN1YL:   %04x\n", getreg16(DM320_OSD_OSDWIN1YL));
  gvdbg("DM320_OSD_OSDWIN1MD:   %04x\n", getreg16(DM320_OSD_OSDWIN1MD));
#endif

  /* Set up the rectangular cursor with defaults */

#ifdef CONFIG_FB_HWCURSOR
  gdbg("Initialize rectangular cursor\n");

  putreg16(0, DM320_OSD_CURXP);
  putreg16(0, DM320_OSD_CURYP);
  putreg16(CONFIG_DM320_RECTCURSOR_WIDTH, DM320_OSD_CURXL);
  putreg16(CONFIG_DM320_RECTCURSOR_HEIGHT, DM320_OSD_CURYL);

  /* DM320_RECTCURSOR_SETUP:
   *
   * Bit 0: 0=rectangular cursor inactive 1=on             0
   * Bits 113: Vertical line height: {1,2,4,6,8,10,12,14}  CONFIG_DM320_CURSORLINEHEIGHT
   * 4:6: Horizontal line width: {1,4,8,16,20,24,28}       CONFIG_DM320_CURSORLINEWIDTH
   * 7: 0=ROM lookup table, 1=RAM lookup table             0
   * 8:15: Rectangular cursor color pallette address       CONFIG_DM320_CURSORCLUT
   */

  putreg16(DM320_RECTCURSOR_SETUP, DM320_OSD_RECTCUR);

  gvdbg("DM320_OSD_CURXP:       %04x\n", getreg16(DM320_OSD_CURXP));
  gvdbg("DM320_OSD_CURYP:       %04x\n", getreg16(DM320_OSD_CURYP));
  gvdbg("DM320_OSD_CURXL:       %04x\n", getreg16(DM320_OSD_CURXL));
  gvdbg("DM320_OSD_CURYL:       %04x\n", getreg16(DM320_OSD_CURYL));
  gvdbg("DM320_OSD_RECTCUR:     %04x\n", getreg16(DM320_OSD_RECTCUR));
#endif

  /* Set main window to the hardware default state.  That initial
   * state is:
   *
   * FIELD                                         SETTING
   * Bits 0-7: background color clut               CONFIG_DM320_BKGDCLUT
   * Bit 8: background clut 0=ROM 1=RAM            0
   * Bit 9: field signal 0=normal 1=inverted       0
   * Bit 10: vid window H expansion: 1=x9/8        0
   * Bit 11: vid window V expansion: 1=x6/5        0
   * Bit 12: expansion filter 0=off 1=on           0
   * Bit 13: osd window H expansion: 1=x9/8        0
   * Bit 14: osd window V expansion: 1=x6/5        0
   * Bit 1515: 0=offset binary, 1=complement of 2  0
   */

  putreg16(CONFIG_DM320_BKGDCLUT, DM320_OSD_OSDMODE);
  gvdbg("DM320_OSD_OSDMODE:     %04x\n", getreg16(DM320_OSD_OSDMODE));
}

/****************************************************************************
 * Name: dm320_getvid0videoinfo
 ****************************************************************************/

#ifndef CONFIG_DM320_VID0_DISABLE
static int dm320_getvid0videoinfo(FAR struct fb_vtable_s *vtable,
                                  FAR struct fb_videoinfo_s *vinfo)
{
#ifdef CONFIG_DEBUG
  if (!vtable || !vinfo)
    {
      return -EINVAL;
    }
#endif

  vinfo->fmt     = FB_FMT_UYVY;
  vinfo->xres    = CONFIG_DM320_VID0_XRES;
  vinfo->yres    = CONFIG_DM320_VID0_YRES;
  vinfo->nplanes = 1;
  return OK;
}
#endif

/****************************************************************************
 * Name: dm320_getvid0planeinfo
 ****************************************************************************/

#ifndef CONFIG_DM320_VID0_DISABLE
static int dm320_getvid0planeinfo(FAR struct fb_vtable_s *vtable, int planeno,
                                  FAR struct fb_planeinfo_s *pinfo)
{
#ifdef CONFIG_DEBUG
  if (!vtable || !pinfo)
    {
      return -EINVAL;
    }
#endif

  pinfo->fbmem  = g_vid0base;
  pinfo->fblen  = DM320_VID0_FBLEN;
  pinfo->stride = DM320_VID0_STRIDE;
  pinfo->bpp    = DM320_VID0_BPP;
  return OK;
}
#endif

/****************************************************************************
 * Name: dm320_getvid1videoinfo
 ****************************************************************************/

#ifndef CONFIG_DM320_VID1_DISABLE
static int dm320_getvid1videoinfo(FAR struct fb_vtable_s *vtable,
                                  FAR struct fb_videoinfo_s *vinfo)
{
#ifdef CONFIG_DEBUG
  if (!vtable || !vinfo)
    {
      return -EINVAL;
    }
#endif

  vinfo->fmt     = FB_FMT_UYVY;
  vinfo->xres    = CONFIG_DM320_VID1_XRES;
  vinfo->yres    = CONFIG_DM320_VID1_YRES;
  vinfo->nplanes = 1;
  return OK;
}
#endif

/****************************************************************************
 * Name: dm320_getvid1planeinfo
 ****************************************************************************/

#ifndef CONFIG_DM320_VID1_DISABLE
static int dm320_getvid1planeinfo(FAR struct fb_vtable_s *vtable, int planeno,
                                  FAR struct fb_planeinfo_s *pinfo)
{
#ifdef CONFIG_DEBUG
  if (!vtable || !pinfo)
    {
      return -EINVAL;
    }
#endif

  pinfo->fbmem  = g_vid1base;
  pinfo->fblen  = DM320_VID1_FBLEN;
  pinfo->stride = DM320_VID1_STRIDE;
  pinfo->bpp    = DM320_VID1_BPP;
  return OK;
}
#endif

/****************************************************************************
 * Name: dm320_getosd0osdeoinfo
 ****************************************************************************/

#ifndef CONFIG_DM320_OSD0_DISABLE
static int dm320_getosd0videoinfo(FAR struct fb_vtable_s *vtable,
                                  FAR struct fb_videoinfo_s *vinfo)
{
#ifdef CONFIG_DEBUG
  if (!vtable || !vinfo)
    {
      return -EINVAL;
    }
#endif

#ifdef CONFIG_DM320_OSD0_RGB16
  vinfo->fmt     = FB_FMT_RGB16_565;
#else
  vinfo->fmt     = FB_FMT_RGB8;
#endif
  vinfo->xres    = CONFIG_DM320_OSD0_XRES;
  vinfo->yres    = CONFIG_DM320_OSD0_YRES;
  vinfo->nplanes = 1;
  return OK;
}
#endif

/****************************************************************************
 * Name: dm320_getosd0planeinfo
 ****************************************************************************/

#ifndef CONFIG_DM320_OSD0_DISABLE
static int dm320_getosd0planeinfo(FAR struct fb_vtable_s *vtable, int planeno,
                                  FAR struct fb_planeinfo_s *pinfo)
{
#ifdef CONFIG_DEBUG
  if (!vtable || !pinfo)
    {
      return -EINVAL;
    }
#endif

  pinfo->fbmem  = g_osd0base;
  pinfo->fblen  = DM320_OSD0_FBLEN;
  pinfo->stride = DM320_OSD0_STRIDE;
  pinfo->bpp    = DM320_OSD0_BPP;
  return OK;
}
#endif

/****************************************************************************
 * Name: dm320_getosd1osdeoinfo
 ****************************************************************************/

#ifndef CONFIG_DM320_OSD1_DISABLE
static int dm320_getosd1videoinfo(FAR struct fb_vtable_s *vtable,
                                  FAR struct fb_videoinfo_s *vinfo)
{
#ifdef CONFIG_DEBUG
  if (!vtable || !vinfo)
    {
      return -EINVAL;
    }
#endif

#ifdef CONFIG_DM320_OSD1_RGB16
  vinfo->fmt     = FB_FMT_RGB16_565;
#else
  vinfo->fmt     = FB_FMT_RGB8;
#endif
  vinfo->xres    = CONFIG_DM320_OSD1_XRES;
  vinfo->yres    = CONFIG_DM320_OSD1_YRES;
  vinfo->nplanes = 1;
  return OK;
}
#endif

/****************************************************************************
 * Name: dm320_getosd1planeinfo
 ****************************************************************************/

#ifndef CONFIG_DM320_OSD1_DISABLE
static int dm320_getosd1planeinfo(FAR struct fb_vtable_s *vtable, int planeno,
                                  FAR struct fb_planeinfo_s *pinfo)
{
#ifdef CONFIG_DEBUG
  if (!vtable || !pinfo)
    {
      return -EINVAL;
    }
#endif

  pinfo->fbmem  = g_osd1base;
  pinfo->fblen  = DM320_OSD1_FBLEN;
  pinfo->stride = DM320_OSD1_STRIDE;
  pinfo->bpp    = DM320_OSD1_BPP;
  return OK;
}
#endif

/****************************************************************************
 * Name: dm320_getcmap
 ****************************************************************************/

#if defined(CONFIG_FB_CMAP) && (!defined(CONFIG_DM320_OSD0_DISABLE) && !defined(CONFIG_DM320_OSD1_DISABLE))
static int dm320_getcmap(FAR struct fb_vtable_s *vtable, FAR struct fb_cmap_s *cmap)
{
  /* I don't think the RAM clut is readable */

  return -ENOSYS;
}
#endif

/****************************************************************************
 * Name: dm320_putcmap
 ****************************************************************************/

#if defined(CONFIG_FB_CMAP) && (!defined(CONFIG_DM320_OSD0_DISABLE) && !defined(CONFIG_DM320_OSD1_DISABLE))
static int dm320_putcmap(FAR struct fb_vtable_s *vtable, FAR struct fb_cmap_s *cmap)
{
  irqstate_t flags;
  uint16_t regval;
  uint8_t y;
  uint8_t u;
  uint8_t v;
  int len
  int i;

#ifdef CONFIG_DEBUG
  if (!vtable || !cmap || !cmap->read || !cmap->green || !cmap->blue)
    {
      return -EINVAL;
    }
#endif

  flags = irqsave();
  for (i = cmap.first, len = 0; i < 256 && len < cmap.len, i++, len++)
    {
       /* Convert the RGB to YUV */

       nxgl_rgb2yuv(cmap->red[i], cmap->green[i], cmap->blue[i], &y, &u, &v);

       /* Program the CLUT */

       while (getreg16(DM320_OSD_MISCCTL) & 0x8);
       putreg16(((uint16_t)y) << 8 | uint16_t(u)), DM320_OSD_CLUTRAMYCB);
       putreg16(((uint16_t)v << 8 | i), DM320_OSD_CLUTRAMCR);
    }

  /* Select RAM clut */

#if !defined(CONFIG_DM320_OSD0_DISABLE) && !defined(CONFIG_DM320_OSD0_RGB16)
  regval = getreg16(DM320_OSD_OSDWIN0MD);
  regval |= 0x1000;
  putreg16(regval, DM320_OSD_OSDWIN0MD);
#endif

#if !defined(CONFIG_DM320_OSD1_DISABLE) && !defined(CONFIG_DM320_OSD1_RGB16)
  regval = getreg16(DM320_OSD_OSDWIN1MD);
  regval |= 0x1000;
  putreg16(regval, DM320_OSD_OSDWIN1MD);
#endif

  return 0;
}
#endif

/****************************************************************************
 * Name: dm320_getcursor
 ****************************************************************************/

#ifdef CONFIG_FB_HWCURSOR
static int dm320_getcursor(FAR struct fb_vtable_s *vtable, FAR struct fb_cursorattrib_s *attrib)
{
  irqstate_t flags;

#ifdef CONFIG_DEBUG
  if (!vtable || !attrib)
    {
      return -EINVAL;
    }
#endif

  flags = irqsave();
  attrib->pos.x = getreg16(DM320_OSD_CURXP);
  attrib->pos.y = getreg16(DM320_OSD_CURYP);

#ifdef CONFIG_FB_HWCURSORSIZE
  attrib->size.w = getreg16(DM320_OSD_CURXL);
  attrib->size.h = getreg16(DM320_OSD_CURYL);
#endif
  irqrestore();

  attrib->mxsize.w = MAX_XRES;
  attrib->mxsize.h = MAX_YRES;

  gvdbg("DM320_OSD_CURXP:       %04x\n", attrib->pos.x);
  gvdbg("DM320_OSD_CURYP:       %04x\n", attrib->pos.y);
#ifdef CONFIG_FB_HWCURSORSIZE
  gvdbg("DM320_OSD_CURXL:       %04x\n", attrib->size.w);
  gvdbg("DM320_OSD_CURYL:       %04x\n", attrib->size.h);
#else
  gvdbg("DM320_OSD_CURXL:       %04x\n", getreg16(DM320_OSD_CURXL));
  gvdbg("DM320_OSD_CURYL:       %04x\n", getreg16(DM320_OSD_CURYL));
#endif
  gvdbg("DM320_OSD_RECTCUR:     %04x\n", getreg16(DM320_OSD_RECTCUR));
}
#endif

/****************************************************************************
 * Name: dm320_setcursor
 ****************************************************************************/

#ifdef CONFIG_FB_HWCURSOR
static int dm320_setcursor(FAR struct fb_vtable_s *vtable, FAR struct fb_setcursor_s *settings)
{
  irqstate_t flags;
  uint16_t regval;

#ifdef CONFIG_DEBUG
  if (!vtable || !settings)
    {
      return -EINVAL;
    }
#endif

  /* Set cursor position */

  flags = irqsave();
  if ((settings->flags & FB_CUR_SETPOSITION) != 0)
    {
      gvdbg("x=%d y=%d\n", settings->pos.x, settings->pos.y);

     if (settings->pos.x > MAX_YRES)
       {
          settings->pos.x = MAX_YRES;
       }

     if (settings->pos.y > MAX_YRES)
       {
          settings->pos.y = MAX_YRES;
       }

     putreg16(settings->pos.x, DM320_OSD_CURXP);
     putreg16(settings->pos.y, DM320_OSD_CURYP);
   }

#ifdef CONFIG_FB_HWCURSORSIZE
  if ((settings->flags & FB_CUR_SETSIZE) != 0)
    {
      gvdbg("h=%d w=%d\n", settings->size.h, settings->size.w);

     if (settings->size.w > MAX_YRES)
       {
          settings->size.w = MAX_YRES;
       }

     if (settings->size.h > MAX_YRES)
       {
          settings->size.h = MAX_YRES;
       }

     flags = irqsave();
     putreg16(settings->size.w, DM320_OSD_CURXL);
     putreg16(settings->size.h, DM320_OSD_CURYL);
     restore_flags(flags);
   }
#endif

  regval = getreg16(DM320_OSD_RECTCUR);
  if ((settings->flags & FB_CUR_ENABLE) != 0)
    {
      regval |= 1;
    }
  else
    {
      regval &= ~1;
    }
  putreg16(regval, DM320_OSD_RECTCUR);
  restore_flags(flags);

  gvdbg("DM320_OSD_CURXP:       %04x\n", getreg16(DM320_OSD_CURXP));
  gvdbg("DM320_OSD_CURYP:       %04x\n", getreg16(DM320_OSD_CURYP));
  gvdbg("DM320_OSD_CURXL:       %04x\n", getreg16(DM320_OSD_CURXL));
  gvdbg("DM320_OSD_CURYL:       %04x\n", getreg16(DM320_OSD_CURYL));
  gvdbg("DM320_OSD_RECTCUR:     %04x\n", getreg16(DM320_OSD_RECTCUR));
}
#endif

/****************************************************************************
 * Public Functions
 ****************************************************************************/

/****************************************************************************
 * Name: up_fbinitialize
 *
 * Description:
 *   Initialize the video hardware
 *
 ****************************************************************************/

int up_fbinitialize(void)
{
  int ret;

  gvdbg("Allocating framebuffers\n");
  ret = dm320_allocvideomemory();
  if (ret != 0)
    {
      gdbg("Failed to allocate video buffers\n");
      return ret;
    }

  /* Initialize the hardware */

  gvdbg("Initializing hardware\n");
  dm320_hwinitialize();
  return 0;
}

/****************************************************************************
 * Name: up_fbgetvplane
 *
 * Description:
 *   Return a a reference to the framebuffer object for the specified video plane.
 *
 * Input parameters:
 *   None
 *
 * Returned value:
 *   Reference to the framebuffer object (NULL on failure)
 *
 ***************************************************************************/

FAR struct fb_vtable_s *up_fbgetvplane(int vplane)
{
  switch (vplane)
    {
#ifndef CONFIG_DM320_VID0_DISABLE
      case DM320_VIDWIN0: /* VID0 window */
        return &g_vid0vtable;
#endif
#ifndef CONFIG_DM320_VID1_DISABLE
      case DM320_VIDWIN1: /* VID1 window */
        return &g_vid1vtable;
#endif
#ifndef CONFIG_DM320_OSD0_DISABLE
      case DM320_OSDWIN0: /* OSD2 window */
        return &g_osd0vtable;
#endif
#ifndef CONFIG_DM320_OSD1_DISABLE
      case DM320_OSDWIN1: /* OSD2 window */
        return &g_osd1vtable;
#endif
      default:
        break;
    }
  return NULL;
}

/****************************************************************************
 * Name: up_fbteardown
 ****************************************************************************/

void fb_teardown(void)
{
  /* Disable the hardware */

  dm320_disable();

  /* Free the video buffers */

  dm320_freevideomemory();
}