d85c3ec410
Increase maximum event count as we need more (I actually had a report about it during custom statusbar testing). Removed corresponding functions from the core and plugin api. Bump min version and sort. git-svn-id: svn://svn.rockbox.org/rockbox/trunk@23302 a1c6a512-1295-4272-9138-f99709370657
537 lines
16 KiB
C
537 lines
16 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) 2004 by Linus Nielsen Feltzing
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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 "lcd.h"
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#include "kernel.h"
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#include "thread.h"
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#include <string.h>
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#include <stdlib.h>
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#include "file.h"
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#include "debug.h"
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#include "system.h"
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#include "font.h"
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#include "bidi.h"
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/* Power and display status */
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static bool power_on = false; /* Is the power turned on? */
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static bool display_on = false; /* Is the display turned on? */
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/* Contrast */
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static int lcd_contrast = DEFAULT_CONTRAST_SETTING << 8;
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/* Reverse Flag */
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#define R_DISP_CONTROL_NORMAL 0x0004
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#define R_DISP_CONTROL_REV 0x0000
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static unsigned short r_disp_control_rev = R_DISP_CONTROL_NORMAL;
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/* Flipping */
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#define Y_OFFSET_NORMAL 0
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#define Y_OFFSET_FLIPPED 4
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static int y_offset = 0; /* y correction for flip */
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static unsigned short r_gate_scan_start_pos = 0x0002;
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static unsigned short r_drv_output_control = 0x0313;
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static unsigned short r_horiz_ram_addr_pos = 0x7f00;
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/* A15(0x8000) && CS1->CS, A1(0x0002)->RS */
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#define LCD_CMD *(volatile unsigned short *)0xf0008000
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#define LCD_DATA *(volatile unsigned short *)0xf0008002
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/* register defines for the Renesas HD66773R */
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#define R_START_OSC 0x00
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#define R_DEVICE_CODE_READ 0x00
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#define R_DRV_OUTPUT_CONTROL 0x01
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#define R_DRV_AC_CONTROL 0x02
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#define R_POWER_CONTROL1 0x03
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#define R_POWER_CONTROL2 0x04
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#define R_ENTRY_MODE 0x05
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#define R_COMPARE_REG 0x06
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#define R_DISP_CONTROL 0x07
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#define R_FRAME_CYCLE_CONTROL 0x0b
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#define R_POWER_CONTROL3 0x0c
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#define R_POWER_CONTROL4 0x0d
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#define R_POWER_CONTROL5 0x0e
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#define R_GATE_SCAN_START_POS 0x0f
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#define R_VERT_SCROLL_CONTROL 0x11
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#define R_1ST_SCR_DRV_POS 0x14
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#define R_2ND_SCR_DRV_POS 0x15
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#define R_HORIZ_RAM_ADDR_POS 0x16
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#define R_VERT_RAM_ADDR_POS 0x17
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#define R_RAM_WRITE_DATA_MASK 0x20
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#define R_RAM_ADDR_SET 0x21
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#define R_WRITE_DATA_2_GRAM 0x22
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#define R_RAM_READ_DATA 0x22
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#define R_GAMMA_FINE_ADJ_POS1 0x30
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#define R_GAMMA_FINE_ADJ_POS2 0x31
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#define R_GAMMA_FINE_ADJ_POS3 0x32
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#define R_GAMMA_GRAD_ADJ_POS 0x33
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#define R_GAMMA_FINE_ADJ_NEG1 0x34
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#define R_GAMMA_FINE_ADJ_NEG2 0x35
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#define R_GAMMA_FINE_ADJ_NEG3 0x36
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#define R_GAMMA_GRAD_ADJ_NEG 0x37
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#define R_GAMMA_AMP_ADJ_POS 0x3a
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#define R_GAMMA_AMP_ADJ_NEG 0x3b
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#define R_ENTRY_MODE_SOLID_VERT 0x1038
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#define R_ENTRY_MODE_DIT_HORZ 0x9030
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/* called very frequently - inline! */
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static inline void lcd_write_reg(int reg, int val)
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{
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LCD_CMD = 0x0000; /* MSB is ~always~ 0 */
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LCD_CMD = reg << 1;
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LCD_DATA = (val >> 8) << 1;
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LCD_DATA = val << 1;
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}
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/* called very frequently - inline! */
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static inline void lcd_begin_write_gram(void)
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{
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LCD_CMD = 0x0000;
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LCD_CMD = R_WRITE_DATA_2_GRAM << 1;
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}
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/*** hardware configuration ***/
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int lcd_default_contrast(void)
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{
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return DEFAULT_CONTRAST_SETTING;
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}
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void lcd_set_contrast(int val)
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{
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/* Clamp val in range 0-14, 16-30 */
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if (val < 1)
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val = 0;
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else if (val <= 15)
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--val;
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else if (val > 30)
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val = 30;
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lcd_contrast = val << 8;
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if (!power_on)
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return;
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/* VCOMG=1, VDV4-0=xxxxx, VCM4-0=11000 */
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lcd_write_reg(R_POWER_CONTROL5, 0x2018 | lcd_contrast);
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}
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void lcd_set_invert_display(bool yesno)
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{
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r_disp_control_rev = yesno ? R_DISP_CONTROL_REV :
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R_DISP_CONTROL_NORMAL;
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if (!display_on)
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return;
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/* PT1-0=00, VLE2-1=00, SPT=0, GON=1, DTE=1, REV=x, D1-0=11 */
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lcd_write_reg(R_DISP_CONTROL, 0x0033 | r_disp_control_rev);
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}
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/* turn the display upside down (call lcd_update() afterwards) */
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void lcd_set_flip(bool yesno)
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{
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if (yesno)
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{
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y_offset = Y_OFFSET_FLIPPED;
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r_gate_scan_start_pos = 0x0000;
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r_drv_output_control = 0x0013;
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r_horiz_ram_addr_pos = 0x8304;
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}
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else
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{
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y_offset = Y_OFFSET_NORMAL;
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r_gate_scan_start_pos = 0x0002;
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r_drv_output_control = 0x0313;
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r_horiz_ram_addr_pos = 0x7f00;
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}
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if (!power_on)
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return;
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/* SCN4-0=000x0 (G1/G160) */
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lcd_write_reg(R_GATE_SCAN_START_POS, r_gate_scan_start_pos);
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/* SM=0, GS=x, SS=x, NL4-0=10011 (G1-G160)*/
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lcd_write_reg(R_DRV_OUTPUT_CONTROL, r_drv_output_control);
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/* HEA7-0=0xxx, HSA7-0=0xxx */
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lcd_write_reg(R_HORIZ_RAM_ADDR_POS, r_horiz_ram_addr_pos);
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}
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static void lcd_power_on(void)
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{
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/* Be sure standby bit is clear. */
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/* BT2-0=000, DC2-0=000, AP2-0=000, SLP=0, STB=0 */
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lcd_write_reg(R_POWER_CONTROL1, 0x0000);
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/** Power ON Sequence **/
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/* Per datasheet Rev.1.10, Jun.21.2003, p. 99 */
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lcd_write_reg(R_START_OSC, 0x0001); /* Start Oscillation */
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/* 10ms or more for oscillation circuit to stabilize */
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sleep(HZ/50);
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/* Instruction (1) for power setting; VC2-0, VRH3-0, CAD,
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VRL3-0, VCM4-0, VDV4-0 */
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/* VC2-0=001 */
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lcd_write_reg(R_POWER_CONTROL3, 0x0001);
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/* VRL3-0=0100, PON=0, VRH3-0=0001 */
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lcd_write_reg(R_POWER_CONTROL4, 0x0401);
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/* CAD=1 */
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lcd_write_reg(R_POWER_CONTROL2, 0x8000);
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/* VCOMG=0, VDV4-0=xxxxx, VCM4-0=11000 */
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lcd_write_reg(R_POWER_CONTROL5, 0x0018 | lcd_contrast);
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/* Instruction (2) for power setting; BT2-0, DC2-0, AP2-0 */
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/* BT2-0=000, DC2-0=001, AP2-0=011, SLP=0, STB=0 */
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lcd_write_reg(R_POWER_CONTROL1, 0x002c);
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/* Instruction (3) for power setting; VCOMG = "1" */
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/* VCOMG=1, VDV4-0=xxxxx, VCM4-0=11000 */
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lcd_write_reg(R_POWER_CONTROL5, 0x2018 | lcd_contrast);
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/* 40ms or more; time for step-up circuits 1,2 to stabilize */
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sleep(HZ/25);
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/* Instruction (4) for power setting; PON = "1" */
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/* VRL3-0=0100, PON=1, VRH3-0=0001 */
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lcd_write_reg(R_POWER_CONTROL4, 0x0411);
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/* 40ms or more; time for step-up circuit 4 to stabilize */
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sleep(HZ/25);
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/* Instructions for other mode settings (in register order). */
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/* SM=0, GS=x, SS=x, NL4-0=10011 (G1-G160)*/
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lcd_write_reg(R_DRV_OUTPUT_CONTROL, r_drv_output_control);
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/* FLD1-0=01 (1 field), B/C=1, EOR=1 (C-pat), NW5-0=000000 (1 row) */
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lcd_write_reg(R_DRV_AC_CONTROL, 0x0700);
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/* DIT=x, BGR=1, HWM=0, I/D1-0=11, AM=1, LG2-0=000 */
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lcd_write_reg(R_ENTRY_MODE, R_ENTRY_MODE_SOLID_VERT);
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/* CP15-0=0000000000000000 */
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lcd_write_reg(R_COMPARE_REG, 0x0000);
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/* NO1-0=01, SDT1-0=00, EQ1-0=00, DIV1-0=00, RTN3-00000 */
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lcd_write_reg(R_FRAME_CYCLE_CONTROL, 0x4000);
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/* SCN4-0=000x0 (G1/G160) */
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lcd_write_reg(R_GATE_SCAN_START_POS, r_gate_scan_start_pos);
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/* VL7-0=0x00 */
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lcd_write_reg(R_VERT_SCROLL_CONTROL, 0x0000);
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/* SE17-10(End)=0x9f (159), SS17-10(Start)=0x00 */
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lcd_write_reg(R_1ST_SCR_DRV_POS, 0x9f00);
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/* SE27-20(End)=0x5c (92), SS27-20(Start)=0x00 */
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lcd_write_reg(R_2ND_SCR_DRV_POS, 0x5c00);
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/* HEA7-0=0xxx, HSA7-0=0xxx */
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lcd_write_reg(R_HORIZ_RAM_ADDR_POS, r_horiz_ram_addr_pos);
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/* PKP12-10=0x0, PKP02-00=0x0 */
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lcd_write_reg(R_GAMMA_FINE_ADJ_POS1, 0x0003);
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/* PKP32-30=0x4, PKP22-20=0x0 */
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lcd_write_reg(R_GAMMA_FINE_ADJ_POS2, 0x0400);
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/* PKP52-50=0x4, PKP42-40=0x7 */
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lcd_write_reg(R_GAMMA_FINE_ADJ_POS3, 0x0407);
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/* PRP12-10=0x3, PRP02-00=0x5 */
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lcd_write_reg(R_GAMMA_GRAD_ADJ_POS, 0x0305);
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/* PKN12-10=0x0, PKN02-00=0x3 */
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lcd_write_reg(R_GAMMA_FINE_ADJ_NEG1, 0x0003);
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/* PKN32-30=0x7, PKN22-20=0x4 */
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lcd_write_reg(R_GAMMA_FINE_ADJ_NEG2, 0x0704);
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/* PKN52-50=0x4, PRN42-40=0x7 */
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lcd_write_reg(R_GAMMA_FINE_ADJ_NEG3, 0x0407);
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/* PRN12-10=0x5, PRN02-00=0x3 */
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lcd_write_reg(R_GAMMA_GRAD_ADJ_NEG, 0x0503);
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/* VRP14-10=0x14, VRP03-00=0x09 */
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lcd_write_reg(R_GAMMA_AMP_ADJ_POS, 0x1409);
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/* VRN14-00=0x06, VRN03-00=0x02 */
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lcd_write_reg(R_GAMMA_AMP_ADJ_NEG, 0x0602);
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/* 100ms or more; time for step-up circuits to stabilize */
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sleep(HZ/10);
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power_on = true;
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}
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static void lcd_display_on(void)
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{
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/* Be sure power is on first */
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if (!power_on)
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lcd_power_on();
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/** Display ON Sequence **/
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/* Per datasheet Rev.1.10, Jun.21.2003, p. 97 */
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/* PT1-0=00, VLE2-1=00, SPT=0, GON=0, DTE=0, REV=0, D1-0=01 */
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lcd_write_reg(R_DISP_CONTROL, 0x0001);
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sleep(HZ/25); /* Wait 2 frames or more */
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/* PT1-0=00, VLE2-1=00, SPT=0, GON=1, DTE=0, REV=x, D1-0=01 */
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lcd_write_reg(R_DISP_CONTROL, 0x0021 | r_disp_control_rev);
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/* PT1-0=00, VLE2-1=00, SPT=0, GON=1, DTE=0, REV=x, D1-0=11 */
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lcd_write_reg(R_DISP_CONTROL, 0x0023 | r_disp_control_rev);
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sleep(HZ/25); /* Wait 2 frames or more */
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/* PT1-0=00, VLE2-1=00, SPT=0, GON=1, DTE=1, REV=x, D1-0=11 */
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lcd_write_reg(R_DISP_CONTROL, 0x0033 | r_disp_control_rev);
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display_on = true;
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}
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#if defined(HAVE_LCD_ENABLE) || defined(HAVE_LCD_SLEEP)
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static void lcd_display_off(void)
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{
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display_on = false;
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/** Display OFF sequence **/
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/* Per datasheet Rev.1.10, Jun.21.2003, p. 97 */
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/* EQ1-0=00 already */
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/* PT1-0=00, VLE2-1=00, SPT=0, GON=1, DTE=1, REV=x, D1-0=10 */
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lcd_write_reg(R_DISP_CONTROL, 0x0032 | r_disp_control_rev);
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sleep(HZ/25); /* Wait 2 frames or more */
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/* PT1-0=00, VLE2-1=00, SPT=0, GON=1, DTE=0, REV=x, D1-0=10 */
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lcd_write_reg(R_DISP_CONTROL, 0x0022 | r_disp_control_rev);
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sleep(HZ/25); /* Wait 2 frames or more */
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/* PT1-0=00, VLE2-1=00, SPT=0, GON=0, DTE=0, REV=0, D1-0=00 */
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lcd_write_reg(R_DISP_CONTROL, 0x0000);
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}
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#endif
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#if defined(HAVE_LCD_SLEEP)
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static void lcd_power_off(void)
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{
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/* Display must be off first */
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if (display_on)
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lcd_display_off();
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power_on = false;
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/** Power OFF sequence **/
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/* Per datasheet Rev.1.10, Jun.21.2003, p. 99 */
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/* Step-up1 halt setting bit */
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/* BT2-0=110, DC2-0=001, AP2-0=011, SLP=0, STB=0 */
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lcd_write_reg(R_POWER_CONTROL1, 0x062c);
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/* Step-up3,4 halt setting bit */
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/* VRL3-0=0100, PON=0, VRH3-0=0001 */
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lcd_write_reg(R_POWER_CONTROL4, 0x0401);
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/* VCOMG=0, VDV4-0=xxxxx, VCM4-0=11000 */
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lcd_write_reg(R_POWER_CONTROL5, 0x0018 | lcd_contrast);
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/* Wait 100ms or more */
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sleep(HZ/10);
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/* Step-up2,amp halt setting bit */
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/* BT2-0=000, DC2-0=000, AP2-0=000, SLP=0, STB=0 */
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lcd_write_reg(R_POWER_CONTROL1, 0x0000);
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}
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void lcd_sleep(void)
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{
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if (power_on)
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lcd_power_off();
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/* Set standby mode */
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/* BT2-0=000, DC2-0=000, AP2-0=000, SLP=0, STB=1 */
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lcd_write_reg(R_POWER_CONTROL1, 0x0001);
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}
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#endif
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/* LCD init */
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void lcd_init_device(void)
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{
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#ifdef BOOTLOADER
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/* Initial boot requires power on reset and setting up chip
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registers but a full reset is not needed again. */
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/* LCD Reset */
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and_l(~0x00000010, &GPIO1_OUT);
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or_l(0x00000010, &GPIO1_ENABLE);
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or_l(0x00000010, &GPIO1_FUNCTION);
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sleep(HZ/100);
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or_l(0x00000010, &GPIO1_OUT);
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sleep(HZ/100);
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lcd_display_on();
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#else
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/* Power and display already ON - reset settings */
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power_on = true;
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display_on = true;
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lcd_set_contrast(DEFAULT_CONTRAST_SETTING);
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lcd_set_invert_display(false);
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lcd_set_flip(false);
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lcd_write_reg(R_ENTRY_MODE, R_ENTRY_MODE_SOLID_VERT);
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/* do this or all bootloaders will need reflashing */
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#endif
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}
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#if defined(HAVE_LCD_ENABLE)
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void lcd_enable(bool on)
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{
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if (on == display_on)
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return;
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if (on)
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{
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lcd_display_on();
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/* Probably out of sync and we don't wanna pepper the code with
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lcd_update() calls for this. */
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lcd_update();
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send_event(LCD_EVENT_ACTIVATION, NULL);
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}
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else
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{
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lcd_display_off();
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}
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}
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#endif
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#if defined(HAVE_LCD_ENABLE) || defined(HAVE_LCD_SLEEP)
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bool lcd_active(void)
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{
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return display_on;
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}
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#endif
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/*** update functions ***/
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/* Line write helper function for lcd_yuv_blit. Write two lines of yuv420.
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* y should have two lines of Y back to back, 2nd line first.
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* c should contain the Cb and Cr data for the two lines of Y back to back.
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* Needs EMAC set to saturated, signed integer mode.
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|
*/
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|
extern void lcd_write_yuv420_lines(const unsigned char *y,
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|
const unsigned char *c, int width);
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|
|
|
/* Performance function to blit a YUV bitmap directly to the LCD
|
|
* src_x, src_y, width and height should be even and within the LCD's
|
|
* boundaries.
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|
*/
|
|
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)
|
|
{
|
|
/* IRAM Y, Cb/bu, guv and Cb/rv buffers. */
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|
unsigned char y_ibuf[LCD_WIDTH*2];
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|
unsigned char c_ibuf[LCD_WIDTH];
|
|
const unsigned char *ysrc, *usrc, *vsrc;
|
|
const unsigned char *ysrc_max;
|
|
|
|
if (!display_on)
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|
return;
|
|
|
|
width &= ~1; /* stay on the safe side */
|
|
height &= ~1;
|
|
|
|
lcd_write_reg(R_ENTRY_MODE, R_ENTRY_MODE_DIT_HORZ);
|
|
/* Set start position and window */
|
|
lcd_write_reg(R_VERT_RAM_ADDR_POS, (LCD_WIDTH-1) << 8);
|
|
|
|
ysrc = src[0] + src_y * stride + src_x;
|
|
usrc = src[1] + (src_y * stride >> 2) + (src_x >> 1);
|
|
vsrc = src[2] + (src_y * stride >> 2) + (src_x >> 1);
|
|
ysrc_max = ysrc + height * stride;
|
|
|
|
coldfire_set_macsr(EMAC_SATURATE);
|
|
do
|
|
{
|
|
lcd_write_reg(R_HORIZ_RAM_ADDR_POS, ((y + y_offset + 1) << 8) | (y + y_offset));
|
|
lcd_write_reg(R_RAM_ADDR_SET, (x << 8) | (y + y_offset));
|
|
lcd_begin_write_gram();
|
|
|
|
memcpy(y_ibuf + width, ysrc, width);
|
|
memcpy(y_ibuf, ysrc + stride, width);
|
|
memcpy(c_ibuf, usrc, width >> 1);
|
|
memcpy(c_ibuf + (width >> 1), vsrc, width >> 1);
|
|
lcd_write_yuv420_lines(y_ibuf, c_ibuf, width >> 1);
|
|
|
|
y += 2;
|
|
ysrc += 2 * stride;
|
|
usrc += stride >> 1;
|
|
vsrc += stride >> 1;
|
|
}
|
|
while (ysrc < ysrc_max);
|
|
} /* lcd_yuv_blit */
|
|
|
|
|
|
/* Update the display.
|
|
This must be called after all other LCD functions that change the
|
|
lcd frame buffer. */
|
|
void lcd_update(void)
|
|
{
|
|
if (!display_on)
|
|
return;
|
|
|
|
lcd_write_reg(R_ENTRY_MODE, R_ENTRY_MODE_SOLID_VERT);
|
|
/* Set start position and window */
|
|
lcd_write_reg(R_HORIZ_RAM_ADDR_POS,
|
|
((y_offset + LCD_HEIGHT-1) << 8) | y_offset);
|
|
lcd_write_reg(R_VERT_RAM_ADDR_POS, (LCD_WIDTH-1) << 8);
|
|
lcd_write_reg(R_RAM_ADDR_SET, y_offset);
|
|
|
|
lcd_begin_write_gram();
|
|
|
|
lcd_write_data((unsigned short *)lcd_framebuffer, LCD_WIDTH*LCD_HEIGHT);
|
|
} /* lcd_update */
|
|
|
|
/* Update a fraction of the display. */
|
|
void lcd_update_rect(int x, int y, int width, int height)
|
|
{
|
|
int ymax;
|
|
const unsigned short *ptr;
|
|
|
|
if (!display_on)
|
|
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 */
|
|
|
|
ymax = y + height;
|
|
if (ymax > LCD_HEIGHT)
|
|
ymax = LCD_HEIGHT; /* Clip bottom */
|
|
if (y < 0)
|
|
y = 0; /* Clip top */
|
|
if (y >= ymax)
|
|
return; /* nothing left to do */
|
|
|
|
lcd_write_reg(R_ENTRY_MODE, R_ENTRY_MODE_SOLID_VERT);
|
|
/* Set start position and window */
|
|
lcd_write_reg(R_HORIZ_RAM_ADDR_POS,
|
|
((y_offset + LCD_HEIGHT-1) << 8) | y_offset);
|
|
lcd_write_reg(R_VERT_RAM_ADDR_POS, ((x + width - 1) << 8) | x);
|
|
lcd_write_reg(R_RAM_ADDR_SET, (x << 8) | (y + y_offset));
|
|
|
|
lcd_begin_write_gram();
|
|
|
|
ptr = (unsigned short *)&lcd_framebuffer[y][x];
|
|
|
|
do
|
|
{
|
|
lcd_write_data(ptr, width);
|
|
ptr += LCD_WIDTH;
|
|
}
|
|
while (++y < ymax);
|
|
} /* lcd_update_rect */
|