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FS#10047 : Clipv2

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Reuse some code from Clip (LCD) and a lot of code from AS3525
Add a new CPU type : AS3525v2, identical to AS3525 except it's an ARMv5 (arm926-ejs)
SD code still not working
For an unknown reason LCD doesn't work anymore (to be investigated)

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@24131 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Rafaël Carré 2009-12-31 19:15:20 +00:00
parent 822abc1236
commit 2392bb4199
21 changed files with 1408 additions and 33 deletions
Download patch file Download diff file Expand all files Collapse all files

55
firmware/target/arm/as3525/sansa-clip/lcd-ssd1303.c
View file

@ -9,7 +9,7 @@
*
* Copyright (C) 2002 by Alan Korr
* Copyright (C) 2008 François Dinel
* Copyright (C) 2008 Rafaël Carré
* Copyright (C) 2008-2009 Rafaël Carré
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
@ -30,7 +30,12 @@
#include "string.h"
/*** AS3525 specifics ***/
#ifdef SANSA_CLIPV2
#include "as3525v2.h"
#else
#include "as3525.h"
#endif
#include "ascodec.h"
/*** definitions ***/
@ -71,6 +76,7 @@
/* DBOP initialisation, do what OF does */
static void ams3525_dbop_init(void)
{
#ifdef SANSA_CLIP
CGU_DBOP = (1<<3) | AS3525_DBOP_DIV;
GPIOB_AFSEL = 0x08; /* DBOP on pin 3 */
@ -79,14 +85,34 @@ static void ams3525_dbop_init(void)
DBOP_CTRL = 0x51008;
DBOP_TIMPOL_01 = 0x6E167;
DBOP_TIMPOL_23 = 0xA167E06F;
#else /* SANSA_CLIPV2 */
CCU_IO |= (1<<12); /* ?? */
CGU_DBOP |= /*(1<<3)*/ 0x18 | AS3525_DBOP_DIV;
DBOP_CTRL = 0x51004;
DBOP_TIMPOL_01 = 0x36A12F;
DBOP_TIMPOL_23 = 0xE037E037;
#endif
}
#ifdef SANSA_CLIP
#define LCD_DELAY 1
#else /* SANSA_CLIPV2 */
#define LCD_DELAY 10
#endif
void lcd_write_command(int byte)
{
volatile int i = 0;
while(i<1) i++;
while(i<LCD_DELAY) i++;
/* unset D/C# (data or command) */
#ifdef SANSA_CLIP
GPIOA_PIN(5) = 0;
#else /* SANSA_CLIPV2 */
GPIOB_PIN(2) = 0;
DBOP_TIMPOL_23 = 0xE0370036;
#endif
/* Write command */
/* Only bits 15:12 and 3:0 of DBOP_DOUT are meaningful */
@ -95,14 +121,22 @@ void lcd_write_command(int byte)
/* While push fifo is not empty */
while ((DBOP_STAT & (1<<10)) == 0)
;
#ifdef SANSA_CLIPV2
DBOP_TIMPOL_23 = 0xE0370036;
#endif
}
void lcd_write_data(const fb_data* p_bytes, int count)
{
volatile int i = 0;
while(i<1) i++;
while(i<LCD_DELAY) i++;
/* set D/C# (data or command) */
#ifdef SANSA_CLIP
GPIOA_PIN(5) = (1<<5);
#else /* SANSA_CLIPV2 */
GPIOB_PIN(2) = (1<<2);
#endif
while (count--)
{
@ -139,9 +173,9 @@ void lcd_set_contrast(int val)
void lcd_set_invert_display(bool yesno)
{
if (yesno)
if (yesno)
lcd_write_command(LCD_SET_REVERSE_DISPLAY);
else
else
lcd_write_command(LCD_SET_NORMAL_DISPLAY);
}
@ -168,8 +202,10 @@ void lcd_enable(bool enable)
if( (display_on = enable) ) /* simple '=' is not a typo ! */
{
#ifdef SANSA_CLIP
/* Enable DC-DC AS3525 for some Clip v1 that need it */
ascodec_write(AS3514_DCDC15, 1);
#endif
lcd_write_command(LCD_SET_DISPLAY_ON);
send_event(LCD_EVENT_ACTIVATION, NULL);
@ -177,8 +213,10 @@ void lcd_enable(bool enable)
else {
lcd_write_command(LCD_SET_DISPLAY_OFF);
#ifdef SANSA_CLIP
/* Disable DC-DC AS3525 */
ascodec_write(AS3514_DCDC15, 0);
#endif
}
}
@ -198,6 +236,7 @@ void lcd_init_device(void)
ams3525_dbop_init();
#ifdef SANSA_CLIP
GPIOA_DIR |= 0x33; /* pins 5:4 and 1:0 out */
GPIOB_DIR |= 0x40; /* pin 6 out */
@ -205,6 +244,10 @@ void lcd_init_device(void)
GPIOA_PIN(0) = (1<<0);
GPIOA_PIN(4) = 0;
GPIOB_PIN(6) = (1<<6);
#else /* SANSA_CLIPV2 */
GPIOB_DIR |= (1<<2)|(1<<5);
GPIOB_PIN(5) = (1<<5);
#endif
/* Set display clock (divide ratio = 1) and oscillator frequency (1) */
lcd_write_command(LCD_SET_DISPLAY_CLOCK_AND_OSC_FREQ);
@ -247,7 +290,7 @@ void lcd_init_device(void)
lcd_write_command (LCD_SET_HIGHER_COLUMN_ADDRESS /*| 0*/);
lcd_write_command (LCD_SET_LOWER_COLUMN_ADDRESS /*| 0*/);
memset(p_bytes, 0, sizeof(p_bytes)); /* fills with 0 : pixel off */
memset(p_bytes, 0, sizeof(p_bytes)); /* fills with 0 : pixel off */
for(i = 0; i < 8; i++)
{