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Diffstat (limited to 'firmware/target/arm/philips/hdd1630/lcd-hdd1630.c')
-rw-r--r--firmware/target/arm/philips/hdd1630/lcd-hdd1630.c81
1 files changed, 0 insertions, 81 deletions
diff --git a/firmware/target/arm/philips/hdd1630/lcd-hdd1630.c b/firmware/target/arm/philips/hdd1630/lcd-hdd1630.c
index c26c0bc963..d9570600bc 100644
--- a/firmware/target/arm/philips/hdd1630/lcd-hdd1630.c
+++ b/firmware/target/arm/philips/hdd1630/lcd-hdd1630.c
@@ -81,7 +81,6 @@
81static bool lcd_enabled; 81static bool lcd_enabled;
82 82
83/* Display status */ 83/* Display status */
84static unsigned lcd_yuv_options SHAREDBSS_ATTR = 0;
85static unsigned mad_ctrl = 0; 84static unsigned mad_ctrl = 0;
86 85
87/* wait for LCD */ 86/* wait for LCD */
@@ -313,86 +312,6 @@ void lcd_set_flip(bool yesno)
313 lcd_send_data(mad_ctrl); 312 lcd_send_data(mad_ctrl);
314} 313}
315 314
316void lcd_yuv_set_options(unsigned options)
317{
318 lcd_yuv_options = options;
319}
320
321/* Line write helper function for lcd_yuv_blit. Write two lines of yuv420. */
322extern void lcd_write_yuv420_lines(unsigned char const * const src[3],
323 int width, int stride);
324
325extern void lcd_write_yuv420_lines_odither(unsigned char const * const src[3],
326 int width, int stride,
327 int x_screen, int y_screen);
328
329/* Performance function to blit a YUV bitmap directly to the LCD */
330void lcd_blit_yuv(unsigned char * const src[3],
331 int src_x, int src_y, int stride,
332 int x, int y, int width, int height)
333{
334 unsigned char const * yuv_src[3];
335 off_t z;
336
337 /* Sorry, but width and height must be >= 2 or else */
338 width &= ~1;
339 height >>= 1;
340
341 z = stride*src_y;
342 yuv_src[0] = src[0] + z + src_x;
343 yuv_src[1] = src[1] + (z >> 2) + (src_x >> 1);
344 yuv_src[2] = src[2] + (yuv_src[1] - src[1]);
345
346 /* Set vertical address mode */
347 lcd_send_cmd(MADCTR);
348 lcd_send_data(mad_ctrl | (1<<5));
349
350 lcd_send_cmd(RASET);
351 lcd_send_data(x);
352 lcd_send_data(x + width - 1);
353
354 if (lcd_yuv_options & LCD_YUV_DITHER)
355 {
356 do
357 {
358 lcd_send_cmd(CASET);
359 lcd_send_data(y);
360 lcd_send_data(y + 1);
361
362 lcd_send_cmd(RAMWR);
363
364 lcd_write_yuv420_lines_odither(yuv_src, width, stride, x, y);
365 yuv_src[0] += stride << 1; /* Skip down two luma lines */
366 yuv_src[1] += stride >> 1; /* Skip down one chroma line */
367 yuv_src[2] += stride >> 1;
368 y += 2;
369 }
370 while (--height > 0);
371 }
372 else
373 {
374 do
375 {
376 lcd_send_cmd(CASET);
377 lcd_send_data(y);
378 lcd_send_data(y + 1);
379
380 lcd_send_cmd(RAMWR);
381
382 lcd_write_yuv420_lines(yuv_src, width, stride);
383 yuv_src[0] += stride << 1; /* Skip down two luma lines */
384 yuv_src[1] += stride >> 1; /* Skip down one chroma line */
385 yuv_src[2] += stride >> 1;
386 y += 2;
387 }
388 while (--height > 0);
389 }
390
391 /* Restore the address mode */
392 lcd_send_cmd(MADCTR);
393 lcd_send_data(mad_ctrl);
394}
395
396/* Update the display. 315/* Update the display.
397 This must be called after all other LCD functions that change the display. */ 316 This must be called after all other LCD functions that change the display. */
398void lcd_update(void) 317void lcd_update(void)