c741ecc68a
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@17287 a1c6a512-1295-4272-9138-f99709370657
419 lines
11 KiB
C
419 lines
11 KiB
C
/***************************************************************************
|
|
* __________ __ ___.
|
|
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
|
|
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
|
|
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
|
|
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
|
|
* \/ \/ \/ \/ \/
|
|
* $Id$
|
|
*
|
|
* Copyright (C) 2008 by Maurus Cuelenaere
|
|
*
|
|
* All files in this archive are subject to the GNU General Public License.
|
|
* See the file COPYING in the source tree root for full license agreement.
|
|
*
|
|
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
|
|
* KIND, either express or implied.
|
|
*
|
|
****************************************************************************/
|
|
#include "config.h"
|
|
|
|
#include "hwcompat.h"
|
|
#include "kernel.h"
|
|
#include "lcd.h"
|
|
#include "system.h"
|
|
#include "memory.h"
|
|
#include "cpu.h"
|
|
#include "spi.h"
|
|
#include "spi-target.h"
|
|
#include "lcd-target.h"
|
|
|
|
/* Power and display status */
|
|
static bool display_on = true; /* Is the display turned on? */
|
|
static bool direct_fb_access = false; /* Does the DM320 has direct access to
|
|
the FB? */
|
|
|
|
/* 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);
|
|
|
|
int lcd_default_contrast(void)
|
|
{
|
|
return 0x1f;
|
|
}
|
|
|
|
void lcd_set_contrast(int val)
|
|
{
|
|
/* iirc there is an ltv250qv command to do this */
|
|
#warning function not implemented
|
|
(void)val;
|
|
}
|
|
|
|
void lcd_set_invert_display(bool yesno) {
|
|
(void) yesno;
|
|
/* TODO: */
|
|
}
|
|
|
|
void lcd_set_flip(bool yesno) {
|
|
(void) yesno;
|
|
/* TODO: */
|
|
}
|
|
|
|
|
|
/* LTV250QV panel functions */
|
|
#ifdef ENABLE_DISPLAY_FUNCS
|
|
static void lcd_write_reg(unsigned char reg, unsigned short val)
|
|
{
|
|
unsigned char block[3];
|
|
block[0] = 0x74;
|
|
block[1] = 0;
|
|
block[2] = reg | 0xFF;
|
|
spi_block_transfer(SPI_target_LTV250QV, block, sizeof(block), NULL, 0);
|
|
block[0] = 0x76;
|
|
block[1] = (val >> 8) & 0xFF;
|
|
block[2] = val & 0xFF;
|
|
spi_block_transfer(SPI_target_LTV250QV, block, sizeof(block), NULL, 0);
|
|
}
|
|
|
|
static void sleep_ms(unsigned int ms)
|
|
{
|
|
sleep(ms*HZ/1000);
|
|
}
|
|
|
|
static void lcd_display_on(void)
|
|
{
|
|
/* Enable main power */
|
|
IO_GIO_BITSET2 |= (1 << 3);
|
|
|
|
/* power on sequence as per the ZVM firmware */
|
|
sleep_ms(250);
|
|
IO_GIO_BITSET1 = (1 << 13);
|
|
sleep_ms(5);
|
|
IO_GIO_BITSET2 = (1 << 5);
|
|
IO_GIO_BITSET2 = (1 << 8);
|
|
sleep_ms(1);
|
|
|
|
/*Init SPI here... */
|
|
sleep_ms(32);
|
|
|
|
IO_GIO_BITSET2 = (1 << 0);
|
|
sleep_ms(5);
|
|
IO_GIO_BITSET2 = (1 << 7);
|
|
sleep_ms(5);
|
|
IO_GIO_BITSET2 = (1 << 4);
|
|
sleep_ms(5);
|
|
IO_GIO_BITCLR2 = (1 << 8);
|
|
/*TODO: figure out what OF does after this... */
|
|
IO_GIO_BITSET2 = (1 << 8);
|
|
sleep_ms(1);
|
|
|
|
lcd_write_reg(1, 0x1D);
|
|
lcd_write_reg(2, 0x0);
|
|
lcd_write_reg(3, 0x0);
|
|
lcd_write_reg(4, 0x0);
|
|
lcd_write_reg(5, 0x40A3);
|
|
lcd_write_reg(6, 0x0);
|
|
lcd_write_reg(7, 0x0);
|
|
lcd_write_reg(8, 0x0);
|
|
lcd_write_reg(9, 0x0);
|
|
lcd_write_reg(10, 0x0);
|
|
lcd_write_reg(16, 0x0);
|
|
lcd_write_reg(17, 0x0);
|
|
lcd_write_reg(18, 0x0);
|
|
lcd_write_reg(19, 0x0);
|
|
lcd_write_reg(20, 0x0);
|
|
lcd_write_reg(21, 0x0);
|
|
lcd_write_reg(22, 0x0);
|
|
lcd_write_reg(23, 0x0);
|
|
lcd_write_reg(24, 0x0);
|
|
lcd_write_reg(25, 0x0);
|
|
sleep_ms(10);
|
|
|
|
lcd_write_reg(9, 0x4055);
|
|
lcd_write_reg(10, 0x0);
|
|
sleep_ms(40);
|
|
|
|
lcd_write_reg(10, 0x2000);
|
|
sleep_ms(40);
|
|
|
|
lcd_write_reg(1, 0x401D);
|
|
lcd_write_reg(2, 0x204);
|
|
lcd_write_reg(3, 0x100);
|
|
lcd_write_reg(4, 0x1000);
|
|
lcd_write_reg(5, 0x5033);
|
|
lcd_write_reg(6, 0x5);
|
|
lcd_write_reg(7, 0x1B);
|
|
lcd_write_reg(8, 0x800);
|
|
lcd_write_reg(16, 0x203);
|
|
lcd_write_reg(17, 0x302);
|
|
lcd_write_reg(18, 0xC08);
|
|
lcd_write_reg(19, 0xC08);
|
|
lcd_write_reg(20, 0x707);
|
|
lcd_write_reg(21, 0x707);
|
|
lcd_write_reg(22, 0x104);
|
|
lcd_write_reg(23, 0x306);
|
|
lcd_write_reg(24, 0x0);
|
|
lcd_write_reg(25, 0x0);
|
|
sleep_ms(60);
|
|
|
|
lcd_write_reg(9, 0xA55);
|
|
lcd_write_reg(10, 0x111A);
|
|
sleep_ms(10);
|
|
|
|
/*TODO: other stuff! */
|
|
|
|
/* tell that we're on now */
|
|
display_on = true;
|
|
}
|
|
|
|
static void lcd_display_off(void)
|
|
{
|
|
display_on = false;
|
|
|
|
/* LQV shutdown sequence */
|
|
lcd_write_reg(9, 0x855);
|
|
sleep_ms(20);
|
|
|
|
lcd_write_reg(9, 0x55);
|
|
lcd_write_reg(5, 0x4033);
|
|
lcd_write_reg(10, 0x0);
|
|
sleep_ms(20);
|
|
|
|
lcd_write_reg(9, 0x0);
|
|
sleep_ms(10);
|
|
unsigned char temp[1];
|
|
temp[0] = 0;
|
|
spi_block_transfer(SPI_target_LTV250QV, temp, sizeof(temp), NULL, 0);
|
|
|
|
IO_GIO_BITCLR2 = (1 << 4);
|
|
sleep_ms(5);
|
|
IO_GIO_BITCLR2 = (1 << 7);
|
|
sleep_ms(5);
|
|
IO_GIO_BITCLR2 = (1 << 0);
|
|
sleep_ms(2);
|
|
IO_GIO_BITCLR2 = (1 << 8);
|
|
IO_GIO_BITCLR2 = (1 << 5);
|
|
|
|
/* Disable main power */
|
|
IO_GIO_BITCLR2 |= (1 << 3);
|
|
}
|
|
|
|
#endif /* ENABLE_DISPLAY_FUNCS */
|
|
|
|
|
|
void lcd_enable(bool on)
|
|
{
|
|
if (on == display_on)
|
|
return;
|
|
|
|
if (on)
|
|
{
|
|
display_on = true; /*TODO: remove me! */
|
|
//lcd_display_on(); /* Turn on display */
|
|
lcd_update(); /* Resync display */
|
|
}
|
|
else
|
|
{
|
|
display_on = false; /*TODO: remove me! */
|
|
//lcd_display_off(); /* Turn off display */
|
|
}
|
|
}
|
|
|
|
bool lcd_enabled(void)
|
|
{
|
|
return display_on;
|
|
}
|
|
|
|
void lcd_set_direct_fb(bool yes)
|
|
{
|
|
unsigned int addr;
|
|
direct_fb_access = yes;
|
|
if(yes)
|
|
addr = ((unsigned int)&lcd_framebuffer-CONFIG_SDRAM_START) / 32;
|
|
else
|
|
addr = ((unsigned int)FRAME-CONFIG_SDRAM_START) / 32;
|
|
IO_OSD_OSDWINADH = addr >> 16;
|
|
IO_OSD_OSDWIN0ADL = addr & 0xFFFF;
|
|
}
|
|
|
|
bool lcd_get_direct_fb(void)
|
|
{
|
|
return direct_fb_access;
|
|
}
|
|
|
|
void lcd_init_device(void)
|
|
{
|
|
/* Based on lcd-mr500.c from Catalin Patulea */
|
|
unsigned int addr;
|
|
|
|
/* Clear the Frame */
|
|
memset16(FRAME, 0x0000, LCD_WIDTH*LCD_HEIGHT);
|
|
|
|
IO_OSD_MODE = 0x00ff;
|
|
IO_OSD_VIDWINMD = 0x0002;
|
|
IO_OSD_OSDWINMD0 = 0x2001;
|
|
IO_OSD_OSDWINMD1 = 0x0002;
|
|
IO_OSD_ATRMD = 0x0000;
|
|
IO_OSD_RECTCUR = 0x0000;
|
|
|
|
IO_OSD_OSDWIN0OFST = (LCD_WIDTH*16) / 256;
|
|
addr = ((unsigned int)FRAME-CONFIG_SDRAM_START) / 32;
|
|
IO_OSD_OSDWINADH = addr >> 16;
|
|
IO_OSD_OSDWIN0ADL = addr & 0xFFFF;
|
|
|
|
#ifndef ZEN_VISION
|
|
IO_OSD_BASEPX=26;
|
|
IO_OSD_BASEPY=5;
|
|
#else
|
|
IO_OSD_BASEPX=80;
|
|
IO_OSD_BASEPY=0;
|
|
#endif
|
|
|
|
IO_OSD_OSDWIN0XP = 0;
|
|
IO_OSD_OSDWIN0YP = 0;
|
|
IO_OSD_OSDWIN0XL = LCD_WIDTH;
|
|
IO_OSD_OSDWIN0YL = LCD_HEIGHT;
|
|
#if 0
|
|
/*TODO: set LCD clock! */
|
|
IO_CLK_MOD1 &= ~0x18; /* disable OSD clock and VENC clock */
|
|
IO_CLK_02DIV = 3;
|
|
|
|
/* reset 'General purpose clock output (GIO26, GIO34)' and set to 'PLLIN
|
|
clock' */
|
|
IO_CLK_OSEL = (IO_CLK_OSEL & ~0xF00) | 0x400;
|
|
|
|
/* set to 'GP clock output 2 (GIO26, GIO34)' and turn on 'VENC clock' */
|
|
IO_CLK_SEL1 = (IO_CLK_SEL1 | 7) | 0x1000;
|
|
IO_CLK_MOD1 |= 0x18; /* enable OSD clock and VENC clock */
|
|
|
|
/* Set LCD values in OSD */
|
|
/* disable NTSC/PAL encoder & set mode to RGB666 parallel 18 bit */
|
|
IO_VID_ENC_VMOD = ( ( (IO_VID_ENC_VMOD & 0xFFFF8C00) | 0x14) | 0x2400 );
|
|
IO_VID_ENC_VDCTL = ( ( (IO_VID_ENC_VDCTL & 0xFFFFCFE8) | 0x20) | 0x4000 );
|
|
/* TODO: finish this... */
|
|
#endif
|
|
}
|
|
|
|
|
|
/*** Update functions ***/
|
|
|
|
|
|
|
|
/* Update a fraction of the display. */
|
|
void lcd_update_rect(int x, int y, int width, int height)
|
|
{
|
|
register fb_data *dst, *src;
|
|
|
|
if (!display_on || direct_fb_access)
|
|
return;
|
|
|
|
if (x + width > LCD_WIDTH)
|
|
width = LCD_WIDTH - x; /* Clip right */
|
|
if (x < 0)
|
|
width += x, x = 0; /* Clip left */
|
|
if (width <= 0)
|
|
return; /* nothing left to do */
|
|
|
|
if (y + height > LCD_HEIGHT)
|
|
height = LCD_HEIGHT - y; /* Clip bottom */
|
|
if (y < 0)
|
|
height += y, y = 0; /* Clip top */
|
|
if (height <= 0)
|
|
return; /* nothing left to do */
|
|
|
|
#if CONFIG_ORIENTATION == SCREEN_PORTRAIT
|
|
dst = (fb_data *)FRAME + LCD_WIDTH*y + x;
|
|
src = &lcd_framebuffer[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
|
|
src = &lcd_framebuffer[y][x];
|
|
|
|
register int xc, yc;
|
|
register fb_data *start=FRAME + LCD_HEIGHT*(LCD_WIDTH-x-1) + y + 1;
|
|
|
|
for(yc=0;yc<height;yc++)
|
|
{
|
|
dst=start+yc;
|
|
for(xc=0; xc<width; xc++)
|
|
{
|
|
*dst=*src++;
|
|
dst-=LCD_HEIGHT;
|
|
}
|
|
src+=x;
|
|
}
|
|
#endif
|
|
}
|
|
|
|
/* Update the display.
|
|
This must be called after all other LCD functions that change the display. */
|
|
void lcd_update(void)
|
|
{
|
|
if (!display_on || direct_fb_access)
|
|
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
|
|
}
|
|
|
|
/* Line write helper function for lcd_yuv_blit. Write two lines of yuv420. */
|
|
extern void lcd_write_yuv420_lines(fb_data *dst,
|
|
unsigned char chroma_buf[LCD_HEIGHT/2*3],
|
|
unsigned char const * const src[3],
|
|
int width,
|
|
int stride);
|
|
/* Performance function to blit a YUV bitmap directly to the LCD */
|
|
/* For the Gigabeat - 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)
|
|
{
|
|
/* Caches for chroma data so it only need be recalculated every other
|
|
line */
|
|
unsigned char chroma_buf[LCD_HEIGHT/2*3]; /* 480 bytes */
|
|
unsigned char const * yuv_src[3];
|
|
off_t z;
|
|
|
|
if (!display_on || direct_fb_access)
|
|
return;
|
|
|
|
/* Sorry, but width and height must be >= 2 or else */
|
|
width &= ~1;
|
|
height >>= 1;
|
|
|
|
fb_data *dst = (fb_data*)FRAME + x * LCD_WIDTH + (LCD_WIDTH - y) - 1;
|
|
|
|
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]);
|
|
|
|
do
|
|
{
|
|
lcd_write_yuv420_lines(dst, chroma_buf, yuv_src, width,
|
|
stride);
|
|
|
|
yuv_src[0] += stride << 1; /* Skip down two luma lines */
|
|
yuv_src[1] += stride >> 1; /* Skip down one chroma line */
|
|
yuv_src[2] += stride >> 1;
|
|
dst -= 2;
|
|
}
|
|
while (--height > 0);
|
|
}
|
|
|