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Fuzev1/v2 : lcd_set_flip()

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FS#11329

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@26372 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Rafaël Carré 2010-05-29 13:43:18 +00:00
parent 04130c2c7e
commit d2f26206ba
4 changed files with 45 additions and 34 deletions
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2
firmware/export/config/sansafuze.h
View file

@ -59,7 +59,7 @@
*/
/* define this if you can flip your LCD */
//#define HAVE_LCD_FLIP
#define HAVE_LCD_FLIP
/* define this if you can invert the colours on your LCD */
#define HAVE_LCD_INVERT

2
firmware/export/config/sansafuzev2.h
View file

@ -56,7 +56,7 @@
*/
/* define this if you can flip your LCD */
//#define HAVE_LCD_FLIP
#define HAVE_LCD_FLIP
/* define this if you can invert the colours on your LCD */
#define HAVE_LCD_INVERT

62
firmware/target/arm/as3525/lcd-fuze.c
View file

@ -7,10 +7,9 @@
* \/ \/ \/ \/ \/
* $Id$
*
* Copyright (C) 2004 by Linus Nielsen Feltzing
* Copyright (C) 2008 by Dave Chapman
*
* LCD driver for the Sansa Fuze - controller unknown
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
@ -34,13 +33,14 @@
HD66789R */
static bool display_on = false; /* is the display turned on? */
/* Flip Flag */
static unsigned short r_entry_mode = R_ENTRY_MODE_HORZ_NORMAL;
/* Reverse Flag */
static unsigned short r_disp_control_rev = R_DISP_CONTROL_NORMAL;
static int r_disp_control_rev = R_DISP_CONTROL_NORMAL;
static const int xoffset = 20;
/* Flip flag */
static int r_drv_output_control = R_DRV_OUTPUT_CONTROL_NORMAL;
static int r_gate_scan_pos = R_GATE_SCAN_POS_NORMAL;
static int xoffset = 20;
/*** hardware configuration ***/
@ -62,15 +62,27 @@ void lcd_set_invert_display(bool yesno)
}
#ifdef HAVE_LCD_FLIP
static bool display_flipped = false;
/* turn the display upside down */
void lcd_set_flip(bool yesno)
{
display_flipped = yesno;
if (yesno)
{
xoffset = 0;
r_drv_output_control = R_DRV_OUTPUT_CONTROL_FLIPPED;
r_gate_scan_pos = R_GATE_SCAN_POS_FLIPPED;
}
else
{
xoffset = 20;
r_drv_output_control = R_DRV_OUTPUT_CONTROL_NORMAL;
r_gate_scan_pos = R_GATE_SCAN_POS_NORMAL;
}
r_entry_mode = yesno ? R_ENTRY_MODE_HORZ_FLIPPED :
R_ENTRY_MODE_HORZ_NORMAL;
if (display_on)
{
lcd_write_reg(R_GATE_SCAN_POS, r_gate_scan_pos);
lcd_write_reg(R_DRV_OUTPUT_CONTROL, r_drv_output_control);
}
}
#endif
@ -89,9 +101,9 @@ void fuze_display_on(void)
lcd_write_reg(R_POWER_CONTROL4, 0x60);
lcd_write_reg(R_POWER_CONTROL4, 0x70);
lcd_write_reg(R_DRV_OUTPUT_CONTROL, 277);
lcd_write_reg(R_DRV_OUTPUT_CONTROL, r_drv_output_control);
lcd_write_reg(R_DRV_WAVEFORM_CONTROL, (7<<8));
lcd_write_reg(R_ENTRY_MODE, r_entry_mode);
lcd_write_reg(R_ENTRY_MODE, R_ENTRY_MODE_HORZ);
lcd_write_reg(R_DISP_CONTROL2, 0x01);
lcd_write_reg(R_FRAME_CYCLE_CONTROL, (1<<10));
lcd_write_reg(R_EXT_DISP_IF_CONTROL, 0);
@ -140,6 +152,8 @@ void lcd_enable(bool on)
lcd_write_reg(R_POWER_CONTROL4, 112);
lcd_write_reg(R_DISP_CONTROL1, 0x11);
lcd_write_reg(R_DISP_CONTROL1, 0x13 | r_disp_control_rev);
lcd_write_reg(R_DRV_OUTPUT_CONTROL, r_drv_output_control);
lcd_write_reg(R_GATE_SCAN_POS, r_gate_scan_pos);
display_on = true;
lcd_update(); /* Resync display */
send_event(LCD_EVENT_ACTIVATION, NULL);
@ -173,15 +187,15 @@ static void lcd_window_x(int xmin, int xmax)
{
xmin += xoffset;
xmax += xoffset;
lcd_write_reg(R_HORIZ_RAM_ADDR_POS + 2, (xmax << 8) | xmin);
lcd_write_reg(R_RAM_ADDR_SET - 1, xmin);
lcd_write_reg(0x46, (xmax << 8) | xmin);
lcd_write_reg(0x20, xmin);
}
/* Set vertical window addresses */
static void lcd_window_y(int ymin, int ymax)
{
lcd_write_reg(R_VERT_RAM_ADDR_POS + 2, ymax);
lcd_write_reg(R_VERT_RAM_ADDR_POS + 3, ymin);
lcd_write_reg(0x47, ymax);
lcd_write_reg(0x48, ymin);
lcd_write_reg(R_RAM_ADDR_SET, ymin);
}
@ -224,13 +238,7 @@ void lcd_blit_yuv(unsigned char * const src[3],
yuv_src[1] = src[1] + (z >> 2) + (src_x >> 1);
yuv_src[2] = src[2] + (yuv_src[1] - src[1]);
#ifdef HAVE_LCD_FLIP
lcd_write_reg(R_ENTRY_MODE,
display_flipped ? R_ENTRY_MODE_VIDEO_FLIPPED : R_ENTRY_MODE_VIDEO_NORMAL
);
#else
lcd_write_reg(R_ENTRY_MODE, R_ENTRY_MODE_VIDEO_NORMAL);
#endif
lcd_write_reg(R_ENTRY_MODE, R_ENTRY_MODE_VIDEO);
lcd_window_x(x, x + width - 1);
@ -278,7 +286,7 @@ void lcd_update(void)
if (!display_on)
return;
lcd_write_reg(R_ENTRY_MODE, r_entry_mode);
lcd_write_reg(R_ENTRY_MODE, R_ENTRY_MODE_HORZ);
lcd_window_x(0, LCD_WIDTH - 1);
lcd_window_y(0, LCD_HEIGHT - 1);
@ -316,7 +324,7 @@ void lcd_update_rect(int x, int y, int width, int height)
if (y + height > LCD_HEIGHT)
height = LCD_HEIGHT - y; /* clip bottom */
lcd_write_reg(R_ENTRY_MODE, r_entry_mode);
lcd_write_reg(R_ENTRY_MODE, R_ENTRY_MODE_HORZ);
/* we need to make x and width even to enable 32bit transfers */
width = (width + (x & 1) + 1) & ~1;

13
firmware/target/arm/as3525/lcd-fuze.h
View file

@ -41,16 +41,19 @@
#define R_HORIZ_RAM_ADDR_POS 0x44
#define R_VERT_RAM_ADDR_POS 0x45
/* Flip Flag */
#define R_ENTRY_MODE_HORZ_NORMAL 0x1030
#define R_ENTRY_MODE_HORZ_FLIPPED 0x1000
#define R_ENTRY_MODE_VIDEO_NORMAL 0x1038
#define R_ENTRY_MODE_VIDEO_FLIPPED 0x1018
#define R_ENTRY_MODE_HORZ 0x1030
#define R_ENTRY_MODE_VIDEO 0x1038
/* Reverse Flag */
#define R_DISP_CONTROL_NORMAL 0x0004
#define R_DISP_CONTROL_REV 0x0000
#define R_DRV_OUTPUT_CONTROL_NORMAL 0x115
#define R_DRV_OUTPUT_CONTROL_FLIPPED 0x215
#define R_GATE_SCAN_POS_NORMAL 0
#define R_GATE_SCAN_POS_FLIPPED 18
void lcd_write_cmd(int16_t cmd);
void lcd_write_reg(int reg, int value);
void fuze_display_on(void);