4d41886caa
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@21280 a1c6a512-1295-4272-9138-f99709370657
506 lines
13 KiB
C
506 lines
13 KiB
C
/***************************************************************************
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* __________ __ ___.
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* Open \______ \ ____ ____ | | _\_ |__ _______ ___
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* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
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* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
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* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
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* \/ \/ \/ \/ \/
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* $Id$
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*
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* Copyright (C) 2007 by Karl Kurbjun
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*
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* Some of this is based on the Cowon A2 Firmware release:
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* http://www.cowonglobal.com/download/gnu/cowon_pmp_a2_src_1.59_GPL.tar.gz
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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* KIND, either express or implied.
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*
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****************************************************************************/
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#include "config.h"
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#include "cpu.h"
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#include "string.h"
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#include "kernel.h"
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#include "memory.h"
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#include "system-target.h"
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#include "lcd.h"
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#include "lcd-target.h"
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/* Copies a rectangle from one framebuffer to another. Can be used in
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single transfer mode with width = num pixels, and height = 1 which
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allows a full-width rectangle to be copied more efficiently. */
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extern void lcd_copy_buffer_rect(fb_data *dst, const fb_data *src,
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int width, int height);
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#if defined(HAVE_LCD_SLEEP)
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static bool lcd_on = true;
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#endif
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/*
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** These are imported from lcd-16bit.c
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*/
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extern unsigned fg_pattern;
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extern unsigned bg_pattern;
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#if defined(HAVE_LCD_SLEEP)
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bool lcd_active(void)
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{
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return lcd_on;
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}
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#endif
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#if defined(HAVE_LCD_SLEEP)
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void lcd_sleep()
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{
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if (lcd_on)
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{
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lcd_on = false;
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memset16(FRAME, 0xFFFF, LCD_WIDTH*LCD_HEIGHT);
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sleep(HZ/5);
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/* Disabling these saves another ~15mA */
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IO_OSD_OSDWINMD0 &= ~(0x01);
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IO_VID_ENC_VMOD &= ~(0x01);
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/* Disabling the LCD saves ~50mA */
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IO_GIO_BITCLR2=1<<4;
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}
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}
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void lcd_awake(void)
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{
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/* "enabled" implies "powered" */
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if (!lcd_on)
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{
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lcd_on=true;
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IO_OSD_OSDWINMD0 |= 0x01;
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IO_VID_ENC_VMOD |= 0x01;
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sleep(2);
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IO_GIO_BITSET2 = 1<<4;
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lcd_update();
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/* Wait long enough for a frame to be written */
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sleep(HZ/10);
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lcd_activation_call_hook();
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}
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}
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#endif
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/* Note this is expecting a screen size of 480x640 or 240x320, other screen
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* sizes need to be considered for fudge factors
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*/
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#define LCD_FUDGE LCD_NATIVE_WIDTH%32
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/* LCD init - based on code from ingenient-bsp/bootloader/board/dm320/splash.c
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* and code by Catalin Patulea from the M:Robe 500i linux port
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*/
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void lcd_init_device(void)
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{
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unsigned int addr;
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/* Clear the Frame */
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memset16(FRAME, 0x0000, LCD_WIDTH*LCD_HEIGHT);
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IO_OSD_OSDWINMD0 &= ~(0x0001);
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IO_OSD_VIDWINMD &= ~(0x0001);
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/* Setup the LCD controller */
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IO_VID_ENC_VMOD = 0x2014;
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IO_VID_ENC_VDCTL = 0x2000;
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IO_VID_ENC_VDPRO = 0x0000;
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IO_VID_ENC_SYNCTL = 0x100E;
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IO_VID_ENC_HSPLS = 1; /* HSYNC pulse width */
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IO_VID_ENC_VSPLS = 1; /* VSYNC pulse width */
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/* These calculations support 640x480 and 320x240 (based on OF) */
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IO_VID_ENC_HINT = LCD_NATIVE_WIDTH+LCD_NATIVE_WIDTH/3;
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IO_VID_ENC_HSTART = LCD_NATIVE_WIDTH/6; /* Back porch */
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IO_VID_ENC_HVALID = LCD_NATIVE_WIDTH; /* Data valid */
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IO_VID_ENC_VINT = LCD_NATIVE_HEIGHT+8;
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IO_VID_ENC_VSTART = 2;
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IO_VID_ENC_VVALID = LCD_NATIVE_HEIGHT;
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IO_VID_ENC_HSDLY = 0x0000;
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IO_VID_ENC_VSDLY = 0x0000;
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IO_VID_ENC_YCCTL = 0x0000;
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IO_VID_ENC_RGBCTL = 0x0000;
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IO_VID_ENC_RGBCLP = 0xFF00;
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IO_VID_ENC_LNECTL = 0x0000;
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IO_VID_ENC_CULLLNE = 0x0000;
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IO_VID_ENC_LCDOUT = 0x0000;
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IO_VID_ENC_BRTS = 0x0000;
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IO_VID_ENC_BRTW = 0x0000;
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IO_VID_ENC_ACCTL = 0x0000;
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IO_VID_ENC_PWMP = 0x0000;
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IO_VID_ENC_PWMW = 0x0000;
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IO_VID_ENC_DCLKPTN0 = 0x0001;
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/* Setup the display */
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IO_OSD_MODE = 0x00ff;
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IO_OSD_ATRMD = 0x0000;
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IO_OSD_RECTCUR = 0x0000;
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IO_OSD_BASEPX = IO_VID_ENC_HSTART;
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IO_OSD_BASEPY = IO_VID_ENC_VSTART;
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addr = ((int)FRAME-CONFIG_SDRAM_START) / 32;
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/* Setup the OSD windows */
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/* Used for 565 RGB */
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IO_OSD_OSDWINMD0 = 0x30C0;
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IO_OSD_OSDWIN0OFST = LCD_NATIVE_WIDTH / 16;
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IO_OSD_OSDWINADH = addr >> 16;
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IO_OSD_OSDWIN0ADL = addr & 0xFFFF;
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IO_OSD_OSDWIN0XP = 0;
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IO_OSD_OSDWIN0YP = 0;
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/* read from OF */
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IO_OSD_OSDWIN0XL = LCD_NATIVE_WIDTH;
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IO_OSD_OSDWIN0YL = LCD_NATIVE_HEIGHT;
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/* Unused */
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IO_OSD_OSDWINMD1 = 0x10C0;
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#if LCD_NATIVE_WIDTH%32!=0
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IO_OSD_OSDWIN1OFST = LCD_NATIVE_WIDTH / 32+1;
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#else
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IO_OSD_OSDWIN1OFST = LCD_NATIVE_WIDTH / 32;
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#endif
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IO_OSD_OSDWIN1ADL = addr & 0xFFFF;
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IO_OSD_OSDWIN1XP = 0;
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IO_OSD_OSDWIN1YP = 0;
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IO_OSD_OSDWIN1XL = LCD_NATIVE_WIDTH;
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IO_OSD_OSDWIN1YL = LCD_NATIVE_HEIGHT;
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IO_OSD_VIDWINMD = 0x0002;
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addr = ((int)FRAME2-CONFIG_SDRAM_START) / 32;
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/* This is a bit messy, the LCD transfers appear to happen in chunks of 32
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* pixels. (based on OF)
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*/
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#if LCD_NATIVE_WIDTH%32!=0
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IO_OSD_VIDWIN0OFST = LCD_NATIVE_WIDTH / 32+1;
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#else
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IO_OSD_VIDWIN0OFST = LCD_NATIVE_WIDTH / 32;
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#endif
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IO_OSD_VIDWINADH = addr >> 16;
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IO_OSD_VIDWIN0ADL = addr & 0xFFFF;
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IO_OSD_VIDWIN0XP = 0;
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IO_OSD_VIDWIN0YP = 0;
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IO_OSD_VIDWIN0XL = LCD_NATIVE_WIDTH;
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IO_OSD_VIDWIN0YL = LCD_NATIVE_HEIGHT;
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/* Set pin 36 and 35 (LCD POWER and LCD RESOLUTION) to an output */
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IO_GIO_DIR2 &= ~(3<<3);
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#if LCD_NATIVE_HEIGHT > 320
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/* Set LCD resolution to VGA */
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IO_GIO_BITSET2 = 1<<3;
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#else
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/* Set LCD resolution to QVGA */
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IO_GIO_BITCLR2 = 1<<3;
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#endif
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IO_OSD_OSDWINMD0 |= 0x01;
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IO_VID_ENC_VMOD |= 0x01;
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}
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#if defined(HAVE_LCD_MODES)
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void lcd_set_mode(int mode)
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{
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if(mode==LCD_MODE_YUV)
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{
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/* Turn off the RGB buffer and enable the YUV buffer */
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IO_OSD_OSDWINMD0 |= 0x04;
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IO_OSD_VIDWINMD |= 0x01;
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memset16(FRAME2, 0x0080, LCD_NATIVE_HEIGHT*(LCD_NATIVE_WIDTH+LCD_FUDGE));
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}
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else if(mode==LCD_MODE_RGB565)
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{
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/* Turn on the RGB window, set it to 16 bit and turn YUV window off */
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IO_OSD_VIDWINMD &= ~(0x01);
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IO_OSD_OSDWIN0OFST = LCD_NATIVE_WIDTH / 16;
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IO_OSD_OSDWINMD0 |= (1<<13);
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IO_OSD_OSDWINMD0 &= ~0x04;
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lcd_clear_display();
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}
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else if(mode==LCD_MODE_PAL256)
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{
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#if LCD_NATIVE_WIDTH%32!=0
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IO_OSD_OSDWIN0OFST = LCD_NATIVE_WIDTH / 32+1;
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#else
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IO_OSD_OSDWIN0OFST = LCD_NATIVE_WIDTH / 32;
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#endif
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IO_OSD_VIDWINMD &= ~(0x01);
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IO_OSD_OSDWINMD0 &= ~(1<<13);
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IO_OSD_OSDWINMD0 |= 0x01;
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}
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}
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#endif
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/* Update a fraction of the display. */
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void lcd_update_rect(int x, int y, int width, int height)
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{
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register fb_data *dst, *src;
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if (!lcd_on)
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return;
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if ( (width | height) < 0)
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return; /* nothing left to do */
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if (x + width > LCD_WIDTH)
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width = LCD_WIDTH - x; /* Clip right */
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if (x < 0)
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width += x, x = 0; /* Clip left */
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if (y + height > LCD_HEIGHT)
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height = LCD_HEIGHT - y; /* Clip bottom */
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if (y < 0)
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height += y, y = 0; /* Clip top */
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src = &lcd_framebuffer[y][x];
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#if CONFIG_ORIENTATION == SCREEN_PORTRAIT
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dst = (fb_data *)FRAME + LCD_WIDTH*y + x;
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/* Copy part of the Rockbox framebuffer to the second framebuffer */
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if (width < LCD_WIDTH)
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{
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/* Not full width - do line-by-line */
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lcd_copy_buffer_rect(dst, src, width, height);
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}
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else
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{
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/* Full width - copy as one line */
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lcd_copy_buffer_rect(dst, src, LCD_WIDTH*height, 1);
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}
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#else
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dst=FRAME + (LCD_NATIVE_WIDTH*(LCD_NATIVE_HEIGHT-1))
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- LCD_NATIVE_WIDTH*x + y ;
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while(height--)
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{
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register int c_width=width;
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register fb_data *c_dst=dst;
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while(c_width--)
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{
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*c_dst=*src++;
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c_dst-=LCD_NATIVE_WIDTH;
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}
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src+=LCD_WIDTH-width;
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dst++;
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}
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#endif
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}
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/* Update the display.
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This must be called after all other LCD functions that change the display. */
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void lcd_update(void)
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{
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if (!lcd_on)
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return;
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#if CONFIG_ORIENTATION == SCREEN_PORTRAIT
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lcd_copy_buffer_rect((fb_data *)FRAME, &lcd_framebuffer[0][0],
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LCD_WIDTH*LCD_HEIGHT, 1);
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#else
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lcd_update_rect(0, 0, LCD_WIDTH, LCD_HEIGHT);
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#endif
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}
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#if defined(HAVE_LCD_MODES) && (HAVE_LCD_MODES & LCD_MODE_PAL256)
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void lcd_blit_pal256(unsigned char *src, int src_x, int src_y, int x, int y,
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int width, int height)
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{
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#if CONFIG_ORIENTATION == SCREEN_PORTRAIT
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char *dst=(char *)FRAME+x+y*(LCD_NATIVE_WIDTH+LCD_FUDGE);
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src = src+src_x+src_y*LCD_WIDTH;
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while(height--)
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{
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memcpy(dst, src, width);
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dst = dst + ((LCD_WIDTH -x +LCD_FUDGE));
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src = src + (LCD_WIDTH - x);
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}
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#else
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char *dst=(char *)FRAME
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+ (LCD_NATIVE_WIDTH+LCD_FUDGE)*(LCD_NATIVE_HEIGHT-1)
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- (LCD_NATIVE_WIDTH+LCD_FUDGE)*x + y;
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src=src+src_x+src_y*LCD_WIDTH;
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while(height--)
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{
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register char *c_dst=dst;
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register int c_width=width;
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while (c_width--)
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{
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*c_dst = *src++;
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c_dst -= (LCD_NATIVE_WIDTH+LCD_FUDGE);
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}
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dst++;
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src+=LCD_WIDTH-width;
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}
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#endif
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}
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void lcd_pal256_update_pal(fb_data *palette)
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{
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unsigned char i;
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for(i=0; i< 255; i++)
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{
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int y, cb, cr;
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unsigned char r=RGB_UNPACK_RED_LCD(palette[i])<<3;
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unsigned char g=RGB_UNPACK_GREEN_LCD(palette[i])<<2;
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unsigned char b=RGB_UNPACK_BLUE_LCD(palette[i])<<3;
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y = ((77 * r + 150 * g + 29 * b) >> 8);
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cb = ((-43 * r - 85 * g + 128 * b) >> 8) + 128;
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cr = ((128 * r - 107 * g - 21 * b) >> 8) + 128;
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while(IO_OSD_MISCCTL&0x08)
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{};
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/* Write in y and cb */
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IO_OSD_CLUTRAMYCB= ((unsigned char)y << 8) | (unsigned char)cb;
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/* Write in the index and cr */
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IO_OSD_CLUTRAMCR=((unsigned char)cr << 8) | i;
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}
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}
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#endif
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void lcd_blit_yuv(unsigned char * const src[3],
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int src_x, int src_y, int stride,
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int x, int y, int width,
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int height) __attribute__ ((section(".icode")));
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/* Performance function to blit a YUV bitmap directly to the LCD */
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/* Show it rotated so the LCD_WIDTH is now the height */
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void lcd_blit_yuv(unsigned char * const src[3],
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int src_x, int src_y, int stride,
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int x, int y, int width, int height)
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{
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register unsigned char const * yuv_src[3];
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if (!lcd_on)
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return;
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/* y has to be at multiple of 2 or else it will mess up the HW
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* (interleaving)
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*/
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y &= ~1;
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if( ((y | x | height | width ) < 0)
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|| y>LCD_NATIVE_HEIGHT || x>LCD_NATIVE_WIDTH )
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return;
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if(y+height>LCD_NATIVE_WIDTH)
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{
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height=LCD_NATIVE_WIDTH-y;
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}
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if(x+width>LCD_NATIVE_HEIGHT)
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{
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width=LCD_NATIVE_HEIGHT-x;
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}
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/* Sorry, but width and height must be >= 2 or else */
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width &= ~1;
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height>>=1;
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fb_data * dst = FRAME2
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+ ((LCD_NATIVE_WIDTH+LCD_FUDGE)*(LCD_NATIVE_HEIGHT-1))
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- (LCD_NATIVE_WIDTH+LCD_FUDGE)*x + y ;
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/* Scope z */
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{
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off_t z;
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z = stride*src_y;
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yuv_src[0] = src[0] + z + src_x;
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yuv_src[1] = src[1] + (z >> 2) + (src_x >> 1);
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yuv_src[2] = src[2] + (yuv_src[1] - src[1]);
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}
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register int cbcr_remain=(stride>>1)-(width>>1);
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register int y_remain=(stride<<1)-width;
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do
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{
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register fb_data *c_dst=dst;
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register int c_width=width;
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do
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{
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/* This needs to be done in a block of 4 pixels */
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*c_dst=*yuv_src[0]<<8 | *yuv_src[1];
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*(c_dst+1)=*(yuv_src[0]+stride)<<8 | *yuv_src[2];
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c_dst-=(LCD_NATIVE_WIDTH+LCD_FUDGE);
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yuv_src[0]++;
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*c_dst=*yuv_src[0]<<8 | *yuv_src[1];
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*(c_dst+1)=*(yuv_src[0]+stride)<<8 | *yuv_src[2];
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c_dst-=(LCD_NATIVE_WIDTH+LCD_FUDGE);
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yuv_src[0]++;
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yuv_src[1]++;
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yuv_src[2]++;
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c_width -= 2;
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}
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while (c_width > 0);
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yuv_src[0] += y_remain; /* Skip down two luma lines-width */
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yuv_src[1] += cbcr_remain; /* Skip down one chroma line-width/2 */
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yuv_src[2] += cbcr_remain;
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dst+=2;
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}
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while (--height > 0);
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}
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void lcd_set_contrast(int val) {
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(void) val;
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// TODO:
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}
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void lcd_set_invert_display(bool yesno) {
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(void) yesno;
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// TODO:
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}
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void lcd_set_flip(bool yesno) {
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(void) yesno;
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// TODO:
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}
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