len0rd/rockbox
1
0
Fork 1
mirror of https://github.com/Rockbox/rockbox.git synced 2025-11-09 21:22:39 -05:00
Code Issues Projects Releases Packages Wiki Activity Actions

HDD6330: implement initialization and inversion of lcd.

Browse source 
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@28826 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Szymon Dziok 2010-12-13 21:13:04 +00:00
parent abf28a9586
commit bf34449638
2 changed files with 30 additions and 25 deletions
Download patch file Download diff file Expand all files Collapse all files

2
firmware/export/config/gogearhdd6330.h
View file

@ -74,7 +74,7 @@
/* #define HAVE_LCD_FLIP */
/* define this if you can invert the colours on your LCD */
/* #define HAVE_LCD_INVERT */
#define HAVE_LCD_INVERT
/* #define IRAM_LCDFRAMEBUFFER IDATA_ATTR *//* put the lcd frame buffer in IRAM */

53
firmware/target/arm/philips/hdd6330/lcd-hdd6330.c
View file

@ -24,6 +24,16 @@
#include "kernel.h"
#include "system.h"
/* register defines for Philips LCD 220x176x16 - model: LPH9165-2 */
#define LCD_REG_UNKNOWN_00 0x00
#define LCD_REG_UNKNOWN_01 0x01
#define LCD_REG_UNKNOWN_05 0x05
#define LCD_REG_WRITE_DATA_2_GRAM 0x06
#define LCD_REG_HORIZ_ADDR_START 0x08
#define LCD_REG_HORIZ_ADDR_END 0x09
#define LCD_REG_VERT_ADDR_START 0x0a
#define LCD_REG_VERT_ADDR_END 0x0b
/* Display status */
static unsigned lcd_yuv_options SHAREDBSS_ATTR = 0;
@ -50,7 +60,12 @@ static void lcd_send_reg(unsigned reg)
void lcd_init_device(void)
{
/* init handled by the OF bootloader */
lcd_send_reg(LCD_REG_UNKNOWN_00);
lcd_send_data(0x00);
lcd_send_reg(LCD_REG_UNKNOWN_01);
lcd_send_data(0x48);
lcd_send_reg(LCD_REG_UNKNOWN_05);
lcd_send_data(0x0f);
}
/*** hardware configuration ***/
@ -66,7 +81,9 @@ void lcd_set_contrast(int val)
void lcd_set_invert_display(bool yesno)
{
(void)yesno;
int invert = (yesno) ? 0x40 : 0x00;
lcd_send_reg(LCD_REG_UNKNOWN_00);
lcd_send_data(invert);
}
/* turn the display upside down (call lcd_update() afterwards) */
@ -107,25 +124,19 @@ void lcd_blit_yuv(unsigned char * const src[3],
width = (width + 1) & ~1;
lcd_send_reg(0x01);
lcd_send_data(0x48);
lcd_send_reg(0x05);
lcd_send_data(0x0f);
lcd_send_reg(0x08);
lcd_send_reg(LCD_REG_HORIZ_ADDR_START);
lcd_send_data(y);
lcd_send_reg(0x09);
lcd_send_reg(LCD_REG_HORIZ_ADDR_END);
lcd_send_data(y + height - 1);
lcd_send_reg(0x0a);
lcd_send_reg(LCD_REG_VERT_ADDR_START);
lcd_send_data(x + 16);
lcd_send_reg(0x0b);
lcd_send_reg(LCD_REG_VERT_ADDR_END);
lcd_send_data(x + width - 1 + 16);
lcd_send_reg(0x06);
lcd_send_reg(LCD_REG_WRITE_DATA_2_GRAM);
const int stride_div_csub_x = stride/CSUB_X;
@ -205,25 +216,19 @@ void lcd_update_rect(int x, int y, int width, int height)
if ((width <= 0) || (height <= 0))
return; /* Nothing left to do. */
lcd_send_reg(0x01);
lcd_send_data(0x48);
lcd_send_reg(0x05);
lcd_send_data(0x0f);
lcd_send_reg(0x08);
lcd_send_reg(LCD_REG_HORIZ_ADDR_START);
lcd_send_data(y);
lcd_send_reg(0x09);
lcd_send_reg(LCD_REG_HORIZ_ADDR_END);
lcd_send_data(y + height - 1);
lcd_send_reg(0x0a);
lcd_send_reg(LCD_REG_VERT_ADDR_START);
lcd_send_data(x + 16);
lcd_send_reg(0x0b);
lcd_send_reg(LCD_REG_VERT_ADDR_END);
lcd_send_data(x + width - 1 + 16);
lcd_send_reg(0x06);
lcd_send_reg(LCD_REG_WRITE_DATA_2_GRAM);
addr = (unsigned long*)&lcd_framebuffer[y][x];