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Fix unreliable LCD updates on the "type 0" LCD. Plus add some comments and a stub lcd_blit_yuv()

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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@22717 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Dave Chapman 2009-09-17 08:08:58 +00:00
parent 43ec944e3c
commit 997e6bd7e9
1 changed files with 18 additions and 2 deletions
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20
firmware/target/arm/s5l8700/ipodnano2g/lcd-nano2g.c
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@ -137,9 +137,9 @@ void lcd_init_device(void)
PCON14 &= ~0xf0; /* Set pin 1 to input */ PCON14 &= ~0xf0; /* Set pin 1 to input */
if (((PDAT13 & 1) == 0) && ((PDAT14 & 2) == 2)) if (((PDAT13 & 1) == 0) && ((PDAT14 & 2) == 2))
lcd_type = 0; /* Similar to ILI9320 */ lcd_type = 0; /* Similar to ILI9320 - aka "type 2" */
else else
lcd_type = 1; /* Similar to LDS176 */ lcd_type = 1; /* Similar to LDS176 - aka "type 7" */
/* Now init according to lcd type */ /* Now init according to lcd type */
if (lcd_type == 0) { if (lcd_type == 0) {
@ -173,6 +173,7 @@ void lcd_update(void)
s5l_lcd_write_cmd_data(R_HORIZ_GRAM_ADDR_SET, 0); s5l_lcd_write_cmd_data(R_HORIZ_GRAM_ADDR_SET, 0);
s5l_lcd_write_cmd_data(R_VERT_GRAM_ADDR_SET, 0); s5l_lcd_write_cmd_data(R_VERT_GRAM_ADDR_SET, 0);
s5l_lcd_write_cmd(0);
s5l_lcd_write_cmd(R_WRITE_DATA_TO_GRAM); s5l_lcd_write_cmd(R_WRITE_DATA_TO_GRAM);
} else { } else {
s5l_lcd_write_cmd(R_COLUMN_ADDR_SET); s5l_lcd_write_cmd(R_COLUMN_ADDR_SET);
@ -212,3 +213,18 @@ void lcd_update_rect(int x, int y, int width, int height)
/* TODO. For now, just do a full-screen update */ /* TODO. For now, just do a full-screen update */
lcd_update(); lcd_update();
} }
/* Performance function to blit a YUV bitmap directly to the LCD */
void lcd_blit_yuv(unsigned char * const src[3],
int src_x, int src_y, int stride,
int x, int y, int width, int height)
{
(void)src;
(void)src_x;
(void)src_y;
(void)stride;
(void)x;
(void)y;
(void)width;
(void)height;
}