forked from len0rd/rockbox
Functional, but minimal LCD driver for H10.
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@10663 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Barry Wardell
parent
6e0e0f9b72
commit
9272dfd34c
3 changed files with 176 additions and 264 deletions
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@ -115,15 +115,19 @@ void main(void)
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);
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*/
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int i;
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/*int i;
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int rc;
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int btn;
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int fd;
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int fd;*/
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char buffer[24];
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snprintf(buffer, 24, "Hello World");
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lcd_puts(0, 0, buffer);
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lcd_update();
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i=ata_init();
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/*i=ata_init();
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disk_init();
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rc = disk_mount_all();
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rc = disk_mount_all();*/
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/* Load original iriver firmware. Uses load_iriver(buf) to load the
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decrypted mi4 file from disk to DRAM. This then copies that part of DRAM
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@ -139,7 +143,7 @@ void main(void)
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/* This assumes that /test.txt exists */
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fd=open("/test.txt",O_RDWR);
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/*fd=open("/test.txt",O_RDWR);*/
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/*
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@ -223,16 +227,16 @@ void main(void)
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/* Apparently necessary for the data to be actually written to file */
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fsync(fd);
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udelay(1000000);
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/*fsync(fd);
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udelay(1000000);*/
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/* This causes the device to shut off instantly
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GPIOF_OUTPUT_VAL = 0;
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*/
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close(fd);
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udelay(1000000);
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/*close(fd);*/
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udelay(100000000);
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}
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/* These functions are present in the firmware library, but we reimplement
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@ -1,5 +1,5 @@
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/*
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* This config file is for the iriver H10
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* This config file is for the iriver H10 20Gb
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*/
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#define TARGET_TREE /* this target is using the target tree system */
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@ -96,8 +96,8 @@
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/* TODO: this is probably wrong */
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#define CPU_FREQ 11289600
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/* Type of LCD TODO: hopefully the same as the x5 but check this*/
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#define CONFIG_LCD LCD_X5
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/* Type of LCD */
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#define CONFIG_LCD LCD_H10
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/* Offset ( in the firmware file's header ) to the file length */
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#define FIRMWARE_OFFSET_FILE_LENGTH 0
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@ -16,252 +16,133 @@
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* KIND, either express or implied.
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*
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****************************************************************************/
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/* The H10 display possibly identical to that of the X5, so that code was used here
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but left #if 0'ed out for the moment */
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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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static bool display_on=false; /* is the display turned on? */
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/* check if number of useconds has past */
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static inline bool timer_check(int clock_start, int usecs)
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{
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return ((int)(USEC_TIMER - clock_start)) >= usecs;
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}
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#define LCD_CMD *(volatile unsigned short *)0x70003008 /* or maybe 0x70008a0c */
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#define LCD_DATA *(volatile unsigned short *)0x70003010
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/* Hardware address of LCD. Bits are:
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* 31 - set to write, poll for completion.
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* 24 - 0 for command, 1 for data
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* 7..0 - command/data to send
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* Commands/Data are always sent in 16-bits, msb first.
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*/
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#define LCD_BASE *(volatile unsigned int *)0x70008a0c
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#define LCD_BUSY_MASK 0x80000000
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#define LCD_CMD 0x80000000
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#define LCD_DATA 0x81000000
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/* register defines for the Renesas HD66773R */
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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_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 0x44
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#define R_VERT_RAM_ADDR_POS 0x45
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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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/*****************************************************
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The table below was generated by the following script:
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#!/usr/bin/perl
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# high byte table
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print "short high8to9[] = {\n";
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$str = " ";
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for my $m (0 .. 255) {
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# RRRRRGGG => RRRRR0GGG
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my $v = (($m & 0xF8) << 1) | ($m & 0x07);
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if(length($str) > 75) {
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print "$str\n";
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$str=" ";
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}
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$str .= sprintf("0x%03x, ", $v);
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}
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print "$str\n};\n";
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*****************************************************/
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/* Lookup table for 16->18bit conversion, high byte. The low byte is just
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shifted. */
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const short high8to9[] ICONST_ATTR = {
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0x000, 0x001, 0x002, 0x003, 0x004, 0x005, 0x006, 0x007, 0x010, 0x011, 0x012,
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0x013, 0x014, 0x015, 0x016, 0x017, 0x020, 0x021, 0x022, 0x023, 0x024, 0x025,
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0x026, 0x027, 0x030, 0x031, 0x032, 0x033, 0x034, 0x035, 0x036, 0x037, 0x040,
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0x041, 0x042, 0x043, 0x044, 0x045, 0x046, 0x047, 0x050, 0x051, 0x052, 0x053,
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0x054, 0x055, 0x056, 0x057, 0x060, 0x061, 0x062, 0x063, 0x064, 0x065, 0x066,
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0x067, 0x070, 0x071, 0x072, 0x073, 0x074, 0x075, 0x076, 0x077, 0x080, 0x081,
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0x082, 0x083, 0x084, 0x085, 0x086, 0x087, 0x090, 0x091, 0x092, 0x093, 0x094,
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0x095, 0x096, 0x097, 0x0a0, 0x0a1, 0x0a2, 0x0a3, 0x0a4, 0x0a5, 0x0a6, 0x0a7,
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0x0b0, 0x0b1, 0x0b2, 0x0b3, 0x0b4, 0x0b5, 0x0b6, 0x0b7, 0x0c0, 0x0c1, 0x0c2,
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0x0c3, 0x0c4, 0x0c5, 0x0c6, 0x0c7, 0x0d0, 0x0d1, 0x0d2, 0x0d3, 0x0d4, 0x0d5,
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0x0d6, 0x0d7, 0x0e0, 0x0e1, 0x0e2, 0x0e3, 0x0e4, 0x0e5, 0x0e6, 0x0e7, 0x0f0,
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0x0f1, 0x0f2, 0x0f3, 0x0f4, 0x0f5, 0x0f6, 0x0f7, 0x100, 0x101, 0x102, 0x103,
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0x104, 0x105, 0x106, 0x107, 0x110, 0x111, 0x112, 0x113, 0x114, 0x115, 0x116,
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0x117, 0x120, 0x121, 0x122, 0x123, 0x124, 0x125, 0x126, 0x127, 0x130, 0x131,
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0x132, 0x133, 0x134, 0x135, 0x136, 0x137, 0x140, 0x141, 0x142, 0x143, 0x144,
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0x145, 0x146, 0x147, 0x150, 0x151, 0x152, 0x153, 0x154, 0x155, 0x156, 0x157,
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0x160, 0x161, 0x162, 0x163, 0x164, 0x165, 0x166, 0x167, 0x170, 0x171, 0x172,
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0x173, 0x174, 0x175, 0x176, 0x177, 0x180, 0x181, 0x182, 0x183, 0x184, 0x185,
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0x186, 0x187, 0x190, 0x191, 0x192, 0x193, 0x194, 0x195, 0x196, 0x197, 0x1a0,
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0x1a1, 0x1a2, 0x1a3, 0x1a4, 0x1a5, 0x1a6, 0x1a7, 0x1b0, 0x1b1, 0x1b2, 0x1b3,
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0x1b4, 0x1b5, 0x1b6, 0x1b7, 0x1c0, 0x1c1, 0x1c2, 0x1c3, 0x1c4, 0x1c5, 0x1c6,
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0x1c7, 0x1d0, 0x1d1, 0x1d2, 0x1d3, 0x1d4, 0x1d5, 0x1d6, 0x1d7, 0x1e0, 0x1e1,
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0x1e2, 0x1e3, 0x1e4, 0x1e5, 0x1e6, 0x1e7, 0x1f0, 0x1f1, 0x1f2, 0x1f3, 0x1f4,
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0x1f5, 0x1f6, 0x1f7,
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};
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/* called very frequently - inline! */
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inline void lcd_write_reg(int reg, int val)
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static void lcd_wait_write(void)
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{
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LCD_CMD = (reg >> 8) << 1;
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LCD_CMD = (reg & 0xff) << 1;
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LCD_DATA = (val >> 8) << 1;
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LCD_DATA = (val & 0xff) << 1;
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}
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if ((LCD_BASE & LCD_BUSY_MASK) != 0) {
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int start = USEC_TIMER;
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/* called very frequently - inline! */
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inline void lcd_begin_write_gram(void)
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{
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LCD_CMD = (R_WRITE_DATA_2_GRAM >> 8) << 1;
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LCD_CMD = (R_WRITE_DATA_2_GRAM & 0xff) << 1;
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}
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/* called very frequently - inline! */
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inline void lcd_write_data(const unsigned short* p_bytes, int count) ICODE_ATTR;
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inline void lcd_write_data(const unsigned short* p_bytes, int count)
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{
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unsigned int tmp;
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unsigned int *ptr = (unsigned int *)p_bytes;
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bool extra;
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/* if there's on odd number of pixels, remmber this and output the
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trailing pixel after the loop */
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extra = (count&1)?true:false;
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count >>= 1;
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while(count--) {
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tmp = *ptr++;
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LCD_DATA = high8to9[tmp >> 24];
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LCD_DATA = tmp>>15;
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LCD_DATA = high8to9[(tmp >> 8)&255];
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LCD_DATA = tmp<<1;
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}
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if(extra) {
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/* the final "spare" pixel */
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unsigned short read = *(unsigned short *)ptr;
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LCD_DATA = high8to9[read >> 8];
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LCD_DATA = read<<1;
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do {
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if ((LCD_BASE & LCD_BUSY_MASK) == 0) break;
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} while (timer_check(start, 1000) == 0);
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}
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}
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/* Send command */
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static void lcd_send_cmd(int v)
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{
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lcd_wait_write();
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LCD_BASE = 0x00000000 | LCD_CMD;
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LCD_BASE = v | LCD_CMD;
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}
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/* Send 16-bit data */
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static void lcd_send_data(int v)
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{
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lcd_wait_write();
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LCD_BASE = ( v & 0xff) | LCD_DATA; /* Send MSB first */
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LCD_BASE = ((v>>8) & 0xff) | LCD_DATA;
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}
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/* Send two 16-bit data */
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static void lcd_send_data2(int v)
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{
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unsigned int vsr = v;
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lcd_send_data(vsr);
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vsr = v >> 16;
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lcd_send_data(vsr);
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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 16;
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}
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void lcd_set_contrast(int val)
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{
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if (val >= 15) // val must'nt be 15 or 31
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++val;
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if (val > 30)
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return;
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lcd_write_reg(0x0e, 0x201e + (val << 8));
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/* TODO: Implement lcd_set_contrast() */
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(void)val;
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}
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void lcd_set_invert_display(bool yesno)
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{
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(void)yesno;
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/* TODO: Implement lcd_set_invert_display() */
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(void)yesno;
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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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(void)yesno;
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/* TODO: Implement lcd_set_flip() */
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(void)yesno;
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}
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/* Rolls up the lcd display by the specified amount of lines.
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* Lines that are rolled out over the top of the screen are
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* rolled in from the bottom again. This is a hardware
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* remapping only and all operations on the lcd are affected.
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* ->
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* @param int lines - The number of lines that are rolled.
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* The value must be 0 <= pixels < LCD_HEIGHT. */
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void lcd_roll(int lines)
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{
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(void)lines;
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}
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/* LCD init
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* These settings are taken from the original X5 firmware
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*/
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/* LCD init */
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void lcd_init_device(void)
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{
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display_on=true;
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#if 0
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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_write_reg(0, 0x0001);
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sleep(HZ/50);
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lcd_write_reg(0x0d, 0x0401);
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lcd_write_reg(0x0e, 0x321e);
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lcd_write_reg(0x01, 0x0313);
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lcd_write_reg(0x02, 0x0700);
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lcd_write_reg(0x05, 0x9038);
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lcd_write_reg(0x06, 0x0000);
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lcd_write_reg(0x0b, 0x4000);
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sleep(HZ/100);
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lcd_write_reg(0x21,0x0000);
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lcd_write_reg(0x30,0x0003);
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lcd_write_reg(0x31,0x0400);
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lcd_write_reg(0x32,0x0407);
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lcd_write_reg(0x33,0x0305);
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lcd_write_reg(0x34,0x0003);
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lcd_write_reg(0x35,0x0704);
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lcd_write_reg(0x36,0x0407);
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lcd_write_reg(0x37,0x0503);
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lcd_write_reg(0x0f,0x0002);
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lcd_write_reg(0x11,0x0000);
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lcd_write_reg(0x14,0x9f00);
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lcd_write_reg(0x15,0x5c00);
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lcd_write_reg(0x16,0x7f00);
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lcd_write_reg(0x17,0x9f00);
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lcd_write_reg(0x3a,0x1409);
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lcd_write_reg(0x3b,0x0602);
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lcd_write_reg(0x0c,0x0001);
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sleep(HZ/25);
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lcd_write_reg(0x03,0x002c);
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lcd_write_reg(0x04,0x8000);
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sleep(HZ/25);
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lcd_write_reg(0x0e,0x3318);
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sleep(HZ/25);
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lcd_write_reg(0x0d,0x0411);
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sleep(HZ/100);
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lcd_write_reg(0x07,0x0006);
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lcd_write_reg(0x07,0x036);
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lcd_write_reg(0x07,0x037);
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lcd_write_reg(0x07,0x0037);
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return;
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#endif
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}
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void lcd_enable(bool on)
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{
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display_on = on;
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{
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/* H10 LCD is initialised by the bootloader */
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}
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/*** update functions ***/
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/* Performance function that works with an external buffer
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note that by and bheight are in 8-pixel units! */
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note that by and bheight are in 4-pixel units! */
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void lcd_blit(const fb_data* data, int x, int by, int width,
|
||||
int bheight, int stride)
|
||||
{
|
||||
|
|
@ -272,56 +153,83 @@ void lcd_blit(const fb_data* data, int x, int by, int width,
|
|||
(void)width;
|
||||
(void)bheight;
|
||||
(void)stride;
|
||||
/*if(display_on)*/
|
||||
}
|
||||
|
||||
|
||||
|
||||
|
||||
/* Update a fraction of the display. */
|
||||
void lcd_update_rect(int x, int y, int width, int height)
|
||||
{
|
||||
int y0, x0, y1, x1;
|
||||
int newx,newwidth;
|
||||
|
||||
unsigned long *addr = (unsigned long *)lcd_framebuffer;
|
||||
|
||||
/* Ensure x and width are both even - so we can read 32-bit aligned
|
||||
data from lcd_framebuffer */
|
||||
/*newx=x&~1;
|
||||
newwidth=width&~1;
|
||||
if (newx+newwidth < x+width) { newwidth+=2; }
|
||||
x=newx; width=newwidth;*/
|
||||
|
||||
/* calculate the drawing region */
|
||||
y0 = x; /* start horiz */
|
||||
x0 = y; /* start vert */
|
||||
y1 = (x + width) - 1; /* max horiz */
|
||||
x1 = (y + height) - 1; /* max vert */
|
||||
|
||||
|
||||
/* swap max horiz < start horiz */
|
||||
if (y1 < y0) {
|
||||
int t;
|
||||
t = y0;
|
||||
y0 = y1;
|
||||
y1 = t;
|
||||
}
|
||||
|
||||
/* swap max vert < start vert */
|
||||
if (x1 < x0) {
|
||||
int t;
|
||||
t = x0;
|
||||
x0 = x1;
|
||||
x1 = t;
|
||||
}
|
||||
|
||||
/* max horiz << 8 | start horiz */
|
||||
lcd_send_cmd(R_HORIZ_RAM_ADDR_POS);
|
||||
lcd_send_data((y0 << 8) | y1);
|
||||
/* max vert << 8 | start vert */
|
||||
lcd_send_cmd(R_VERT_RAM_ADDR_POS);
|
||||
lcd_send_data((x0 << 8) | x1);
|
||||
|
||||
/* position cursor (set AD0-AD15) */
|
||||
/* start vert << 8 | start horiz */
|
||||
lcd_send_cmd(R_RAM_ADDR_SET);
|
||||
lcd_send_data(((x0 << 8) | y0));
|
||||
|
||||
/* start drawing */
|
||||
lcd_send_cmd(R_WRITE_DATA_2_GRAM);
|
||||
|
||||
addr = (unsigned long*)&lcd_framebuffer[y][x];
|
||||
|
||||
int c, r;
|
||||
|
||||
/* for each row */
|
||||
for (r = 0; r < height; r++) {
|
||||
/* for each column */
|
||||
for (c = 0; c < width; c += 2) {
|
||||
/* output 2 pixels */
|
||||
lcd_send_data2(*(addr++));
|
||||
}
|
||||
|
||||
addr += (LCD_WIDTH - width)/2;
|
||||
}
|
||||
}
|
||||
|
||||
/* Update the display.
|
||||
This must be called after all other LCD functions that change the display. */
|
||||
void lcd_update(void) ICODE_ATTR;
|
||||
void lcd_update(void)
|
||||
{
|
||||
if(display_on){
|
||||
|
||||
/* Copy display bitmap to hardware */
|
||||
lcd_write_reg(R_RAM_ADDR_SET, 0x0000);
|
||||
lcd_begin_write_gram();
|
||||
lcd_write_data((unsigned short *)lcd_framebuffer, LCD_WIDTH*LCD_HEIGHT);
|
||||
}
|
||||
}
|
||||
|
||||
/* Update a fraction of the display. */
|
||||
void lcd_update_rect(int, int, int, int) ICODE_ATTR;
|
||||
void lcd_update_rect(int x, int y, int width, int height)
|
||||
{
|
||||
if(display_on) {
|
||||
int ymax = y + height;
|
||||
|
||||
if(x + width > LCD_WIDTH)
|
||||
width = LCD_WIDTH - x;
|
||||
if (width <= 0)
|
||||
return; /* nothing left to do, 0 is harmful to lcd_write_data() */
|
||||
if(ymax >= LCD_HEIGHT)
|
||||
ymax = LCD_HEIGHT-1;
|
||||
|
||||
/* set update window */
|
||||
|
||||
/* horiz ram addr */
|
||||
lcd_write_reg(R_HORIZ_RAM_ADDR_POS, (ymax<<8) | y);
|
||||
|
||||
/* vert ram addr */
|
||||
lcd_write_reg(R_VERT_RAM_ADDR_POS,((x+width-1)<<8) | x);
|
||||
lcd_write_reg(R_RAM_ADDR_SET, (x<<8) | y);
|
||||
lcd_begin_write_gram();
|
||||
|
||||
/* Copy specified rectangle bitmap to hardware */
|
||||
for (; y <= ymax; y++)
|
||||
{
|
||||
lcd_write_data ((unsigned short *)&lcd_framebuffer[y][x], width);
|
||||
}
|
||||
|
||||
/* reset update window */
|
||||
lcd_write_reg(R_HORIZ_RAM_ADDR_POS, 0x7f00);
|
||||
lcd_write_reg(R_VERT_RAM_ADDR_POS, 0x9f00);
|
||||
}
|
||||
lcd_update_rect(0, 0, LCD_WIDTH, LCD_HEIGHT);
|
||||
}
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue