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rockbox/firmware/target/arm/tms320dm320/mrobe-500/lcd-mr500.c
Bertrik Sikken 0023943439 Fix duplicate #includes 
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@20977 a1c6a512-1295-4272-9138-f99709370657
2009-05-17 14:50:19 +00:00

509 lines
12 KiB
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/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id$
*
* Copyright (C) 2007 by Karl Kurbjun
*
* Some of this is based on the Cowon A2 Firmware release:
* http://www.cowonglobal.com/download/gnu/cowon_pmp_a2_src_1.59_GPL.tar.gz
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
* KIND, either express or implied.
*
****************************************************************************/
#include "config.h"
#include "cpu.h"
#include "string.h"
#include "kernel.h"
#include "memory.h"
#include "system-target.h"
#include "lcd.h"
#include "lcd-target.h"
/* Copies a rectangle from one framebuffer to another. Can be used in
single transfer mode with width = num pixels, and height = 1 which
allows a full-width rectangle to be copied more efficiently. */
extern void lcd_copy_buffer_rect(fb_data *dst, const fb_data *src,
int width, int height);
#if defined(HAVE_LCD_SLEEP)
static bool lcd_on = true;
#endif
/*
** These are imported from lcd-16bit.c
*/
extern unsigned fg_pattern;
extern unsigned bg_pattern;
#if defined(HAVE_LCD_SLEEP)
bool lcd_active(void)
{
return lcd_on;
}
#endif
#if defined(HAVE_LCD_SLEEP)
void lcd_sleep()
{
if (lcd_on)
{
lcd_on = false;
memset16(FRAME, 0xFFFF, LCD_WIDTH*LCD_HEIGHT);
sleep(HZ/5);
/* Disabling these saves another ~15mA */
IO_OSD_OSDWINMD0&= ~(0x01);
IO_VID_ENC_VMOD &= ~(0x01);
// IO_CLK_MOD1 &= ~(0x0018);
/* Disabling the LCD saves ~50mA */
IO_GIO_BITCLR2=1<<4;
}
}
void lcd_awake(void)
{
/* "enabled" implies "powered" */
if (!lcd_on)
{
lcd_on=true;
// IO_CLK_MOD1 |= 0x0018;
IO_OSD_OSDWINMD0|= 0x01;
IO_VID_ENC_VMOD |= 0x01;
sleep(2);
IO_GIO_BITSET2=1<<4;
lcd_update();
/* Wait long enough for a frame to be written */
sleep(HZ/10);
lcd_activation_call_hook();
}
}
#endif
/* Note this is expecting a screen size of 480x640 or 240x320, other screen
* sizes need to be considered for fudge factors
*/
#define LCD_FUDGE LCD_NATIVE_WIDTH%32
/* LCD init - based on code from ingenient-bsp/bootloader/board/dm320/splash.c
* and code by Catalin Patulea from the M:Robe 500i linux port
*/
void lcd_init_device(void)
{
unsigned int addr;
/* Clear the Frame */
memset16(FRAME, 0x0000, LCD_WIDTH*LCD_HEIGHT);
IO_OSD_OSDWINMD0&=~(0x0001);
IO_OSD_VIDWINMD&=~(0x0001);
/* Setup the LCD controller */
IO_VID_ENC_VMOD=0x2014;
IO_VID_ENC_VDCTL=0x2000;
IO_VID_ENC_VDPRO=0x0000;
IO_VID_ENC_SYNCTL=0x100E;
IO_VID_ENC_HSPLS=1; /* HSYNC pulse width */
IO_VID_ENC_VSPLS=1; /* VSYNC pulse width */
/* These calculations support 640x480 and 320x240 (based on OF) */
IO_VID_ENC_HINT=LCD_NATIVE_WIDTH+LCD_NATIVE_WIDTH/3;
IO_VID_ENC_HSTART=LCD_NATIVE_WIDTH/6; /* Front porch */
IO_VID_ENC_HVALID=LCD_NATIVE_WIDTH; /* Data valid */
IO_VID_ENC_VINT=LCD_NATIVE_HEIGHT+7;
IO_VID_ENC_VSTART=3;
IO_VID_ENC_VVALID=LCD_NATIVE_HEIGHT;
IO_VID_ENC_HSDLY=0x0000;
IO_VID_ENC_VSDLY=0x0000;
IO_VID_ENC_YCCTL=0x0000;
IO_VID_ENC_RGBCTL=0x0000;
IO_VID_ENC_RGBCLP=0xFF00;
IO_VID_ENC_LNECTL=0x0000;
IO_VID_ENC_CULLLNE=0x0000;
IO_VID_ENC_LCDOUT=0x0000;
IO_VID_ENC_BRTS=0x0000;
IO_VID_ENC_BRTW=0x0000;
IO_VID_ENC_ACCTL=0x0000;
IO_VID_ENC_PWMP=0x0000;
IO_VID_ENC_PWMW=0x0000;
IO_VID_ENC_DCLKPTN0=0x0001;
/* Setup the display */
IO_OSD_MODE=0x00ff;
IO_OSD_ATRMD=0x0000;
IO_OSD_RECTCUR=0x0000;
IO_OSD_BASEPX=IO_VID_ENC_HSTART;
IO_OSD_BASEPY=IO_VID_ENC_VSTART;
addr = ((int)FRAME-CONFIG_SDRAM_START) / 32;
/* Setup the OSD windows */
/* Used for 565 RGB */
IO_OSD_OSDWINMD0=0x30C0;
IO_OSD_OSDWIN0OFST=LCD_NATIVE_WIDTH / 16;
IO_OSD_OSDWINADH=addr >> 16;
IO_OSD_OSDWIN0ADL=addr & 0xFFFF;
IO_OSD_OSDWIN0XP=0;
IO_OSD_OSDWIN0YP=0;
/* read from OF */
IO_OSD_OSDWIN0XL=LCD_NATIVE_WIDTH;
IO_OSD_OSDWIN0YL=LCD_NATIVE_HEIGHT;
/* Unused */
IO_OSD_OSDWINMD1=0x10C0;
#if LCD_NATIVE_WIDTH%32!=0
IO_OSD_OSDWIN1OFST=LCD_NATIVE_WIDTH / 32+1;
#else
IO_OSD_OSDWIN1OFST=LCD_NATIVE_WIDTH / 32;
#endif
IO_OSD_OSDWIN1ADL=addr & 0xFFFF;
IO_OSD_OSDWIN1XP=0;
IO_OSD_OSDWIN1YP=0;
IO_OSD_OSDWIN1XL=LCD_NATIVE_WIDTH;
IO_OSD_OSDWIN1YL=LCD_NATIVE_HEIGHT;
IO_OSD_VIDWINMD=0x0002;
addr = ((int)FRAME2-CONFIG_SDRAM_START) / 32;
/* This is a bit messy, the LCD transfers appear to happen in chunks of 32
* pixels. (based on OF)
*/
#if LCD_NATIVE_WIDTH%32!=0
IO_OSD_VIDWIN0OFST=LCD_NATIVE_WIDTH / 32+1;
#else
IO_OSD_VIDWIN0OFST=LCD_NATIVE_WIDTH / 32;
#endif
IO_OSD_VIDWINADH=addr >> 16;
IO_OSD_VIDWIN0ADL=addr & 0xFFFF;
IO_OSD_VIDWIN0XP=0;
IO_OSD_VIDWIN0YP=0;
IO_OSD_VIDWIN0XL=LCD_NATIVE_WIDTH;
IO_OSD_VIDWIN0YL=LCD_NATIVE_HEIGHT;
/* Set pin 36 and 35 (LCD POWER and LCD RESOLUTION) to an output */
IO_GIO_DIR2&=!(3<<3);
#if LCD_NATIVE_HEIGHT > 320
/* Set LCD resolution to VGA */
IO_GIO_BITSET2=1<<3;
#else
/* Set LCD resolution to QVGA */
IO_GIO_BITCLR2=1<<3;
#endif
IO_OSD_OSDWINMD0|=0x01;
IO_VID_ENC_VMOD|=0x01;
}
#if defined(HAVE_LCD_MODES)
void lcd_set_mode(int mode)
{
if(mode==LCD_MODE_YUV)
{
/* Turn off the RGB buffer and enable the YUV buffer */
IO_OSD_OSDWINMD0 |=0x04;
IO_OSD_VIDWINMD |=0x01;
memset16(FRAME2, 0x0080, LCD_NATIVE_HEIGHT*(LCD_NATIVE_WIDTH+LCD_FUDGE));
}
else if(mode==LCD_MODE_RGB565)
{
/* Turn on the RGB window, set it to 16 bit and turn YUV window off */
IO_OSD_VIDWINMD &=~(0x01);
IO_OSD_OSDWIN0OFST=LCD_NATIVE_WIDTH / 16;
IO_OSD_OSDWINMD0 |=(1<<13);
IO_OSD_OSDWINMD0 &=~0x04;
lcd_clear_display();
}
else if(mode==LCD_MODE_PAL256)
{
#if LCD_NATIVE_WIDTH%32!=0
IO_OSD_OSDWIN0OFST=LCD_NATIVE_WIDTH / 32+1;
#else
IO_OSD_OSDWIN0OFST=LCD_NATIVE_WIDTH / 32;
#endif
IO_OSD_VIDWINMD &=~(0x01);
IO_OSD_OSDWINMD0 &=~(1<<13);
IO_OSD_OSDWINMD0 |=0x01;
}
}
#endif
/* Update a fraction of the display. */
void lcd_update_rect(int x, int y, int width, int height)
{
register fb_data *dst, *src;
if (!lcd_on)
return;
if ( (width | height) < 0)
return; /* nothing left to do */
if (x + width > LCD_WIDTH)
width = LCD_WIDTH - x; /* Clip right */
if (x < 0)
width += x, x = 0; /* Clip left */
if (y + height > LCD_HEIGHT)
height = LCD_HEIGHT - y; /* Clip bottom */
if (y < 0)
height += y, y = 0; /* Clip top */
src = &lcd_framebuffer[y][x];
#if CONFIG_ORIENTATION == SCREEN_PORTRAIT
dst = (fb_data *)FRAME + LCD_WIDTH*y + x;
/* Copy part of the Rockbox framebuffer to the second framebuffer */
if (width < LCD_WIDTH)
{
/* Not full width - do line-by-line */
lcd_copy_buffer_rect(dst, src, width, height);
}
else
{
/* Full width - copy as one line */
lcd_copy_buffer_rect(dst, src, LCD_WIDTH*height, 1);
}
#else
dst=FRAME + (LCD_NATIVE_WIDTH*(LCD_NATIVE_HEIGHT-1))
- LCD_NATIVE_WIDTH*x + y ;
while(height--)
{
register int c_width=width;
register fb_data *c_dst=dst;
while(c_width--)
{
*c_dst=*src++;
c_dst-=LCD_NATIVE_WIDTH;
}
src+=LCD_WIDTH-width;
dst++;
}
#endif
}
/* Update the display.
This must be called after all other LCD functions that change the display. */
void lcd_update(void)
{
if (!lcd_on)
return;
#if CONFIG_ORIENTATION == SCREEN_PORTRAIT
lcd_copy_buffer_rect((fb_data *)FRAME, &lcd_framebuffer[0][0],
LCD_WIDTH*LCD_HEIGHT, 1);
#else
lcd_update_rect(0, 0, LCD_WIDTH, LCD_HEIGHT);
#endif
}
#if defined(HAVE_LCD_MODES) && (HAVE_LCD_MODES & LCD_MODE_PAL256)
void lcd_blit_pal256(unsigned char *src, int src_x, int src_y, int x, int y,
int width, int height)
{
#if CONFIG_ORIENTATION == SCREEN_PORTRAIT
char *dst=(char *)FRAME+x+y*(LCD_NATIVE_WIDTH+LCD_FUDGE);
src=src+src_x+src_y*LCD_NATIVE_WIDTH;
while(height--);
{
memcpy ( dst, src, width);
dst=dst+(LCD_NATIVE_WIDTH-x+LCD_FUDGE);
src+=width;
}
#else
char *dst=(char *)FRAME
+ (LCD_NATIVE_WIDTH+LCD_FUDGE)*(LCD_NATIVE_HEIGHT-1)
- (LCD_NATIVE_WIDTH+LCD_FUDGE)*x + y;
src=src+src_x+src_y*LCD_WIDTH;
while(height--)
{
register char *c_dst=dst;
register int c_width=width;
while (c_width--)
{
*c_dst=*src++;
c_dst=c_dst-(LCD_NATIVE_WIDTH+LCD_FUDGE);
}
dst++;
src+=LCD_WIDTH-width;
}
#endif
}
void lcd_pal256_update_pal(fb_data *palette)
{
unsigned char i;
for(i=0; i< 255; i++)
{
int y, cb, cr;
unsigned char r=RGB_UNPACK_RED_LCD(palette[i])<<3;
unsigned char g=RGB_UNPACK_GREEN_LCD(palette[i])<<2;
unsigned char b=RGB_UNPACK_BLUE_LCD(palette[i])<<3;
y = ((77 * r + 150 * g + 29 * b) >> 8);
cb = ((-43 * r - 85 * g + 128 * b) >> 8) + 128;
cr = ((128 * r - 107 * g - 21 * b) >> 8) + 128;
while(IO_OSD_MISCCTL&0x08)
{};
/* Write in y and cb */
IO_OSD_CLUTRAMYCB= ((unsigned char)y << 8) | (unsigned char)cb;
/* Write in the index and cr */
IO_OSD_CLUTRAMCR=((unsigned char)cr << 8) | i;
}
}
#endif
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) __attribute__ ((section(".icode")));
/* Performance function to blit a YUV bitmap directly to the LCD */
/* Show it rotated so the LCD_WIDTH is now the height */
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)
{
register unsigned char const * yuv_src[3];
if (!lcd_on)
return;
/* y has to be at multiple of 2 or else it will mess up the HW
* (interleaving)
*/
y &= ~1;
if( ((y | x | height | width ) < 0)
|| y>LCD_NATIVE_HEIGHT || x>LCD_NATIVE_WIDTH )
return;
if(y+height>LCD_NATIVE_WIDTH)
{
height=LCD_NATIVE_WIDTH-y;
}
if(x+width>LCD_NATIVE_HEIGHT)
{
width=LCD_NATIVE_HEIGHT-x;
}
/* Sorry, but width and height must be >= 2 or else */
width &= ~1;
height>>=1;
fb_data * dst = FRAME2
+ ((LCD_NATIVE_WIDTH+LCD_FUDGE)*(LCD_NATIVE_HEIGHT-1))
- (LCD_NATIVE_WIDTH+LCD_FUDGE)*x + y ;
/* Scope z */
{
off_t z;
z = stride*src_y;
yuv_src[0] = src[0] + z + src_x;
yuv_src[1] = src[1] + (z >> 2) + (src_x >> 1);
yuv_src[2] = src[2] + (yuv_src[1] - src[1]);
}
register int cbcr_remain=(stride>>1)-(width>>1);
register int y_remain=(stride<<1)-width;
do
{
register fb_data *c_dst=dst;
register int c_width=width;
do
{
/* This needs to be done in a block of 4 pixels */
*c_dst=*yuv_src[0]<<8 | *yuv_src[1];
*(c_dst+1)=*(yuv_src[0]+stride)<<8 | *yuv_src[2];
c_dst-=(LCD_NATIVE_WIDTH+LCD_FUDGE);
yuv_src[0]++;
*c_dst=*yuv_src[0]<<8 | *yuv_src[1];
*(c_dst+1)=*(yuv_src[0]+stride)<<8 | *yuv_src[2];
c_dst-=(LCD_NATIVE_WIDTH+LCD_FUDGE);
yuv_src[0]++;
yuv_src[1]++;
yuv_src[2]++;
c_width -= 2;
}
while (c_width > 0);
yuv_src[0] += y_remain; /* Skip down two luma lines-width */
yuv_src[1] += cbcr_remain; /* Skip down one chroma line-width/2 */
yuv_src[2] += cbcr_remain;
dst+=2;
}
while (--height > 0);
}
void lcd_set_contrast(int val) {
(void) val;
// TODO:
}
void lcd_set_invert_display(bool yesno) {
(void) yesno;
// TODO:
}
void lcd_set_flip(bool yesno) {
(void) yesno;
// TODO:
}
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