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M:Robe 500: Start adding some composite output stuff based on OF. Initialize LCD pins with pin-setup function.

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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@23986 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Karl Kurbjun 2009-12-14 06:32:30 +00:00
parent ac3fe260f1
commit 26fa2d81f6
1 changed files with 67 additions and 21 deletions
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88
firmware/target/arm/tms320dm320/mrobe-500/lcd-mr500.c
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@ -76,7 +76,7 @@ void lcd_sleep()
IO_VID_ENC_VMOD &= ~(0x01);
/* Disabling the LCD saves ~50mA */
IO_GIO_BITCLR2=1<<4;
IO_GIO_BITCLR2=1<<4; /* pin 36 */
}
}
@ -103,6 +103,30 @@ void lcd_awake(void)
}
#endif
void lcd_enable_composite(bool enable)
{
/* Pin 39 appears to be related to the composite output */
/* 39: output, non-inverted, no-irq, falling edge, no-chat, normal */
dm320_set_io(39, false, false, false, false, false, 0x00);
short vidtemp = (IO_VID_ENC_VMOD & 0x7E8);
if(enable)
{
IO_GIO_BITSET2 = 0x80;
vidtemp |= 0x0003;
}
else
{
IO_GIO_BITCLR2 = 0x80;
vidtemp |= 0x2015;
IO_VID_ENC_DCLKCTL = 0x0800;
IO_VID_ENC_DCLKPTN0 = 0x0001;
}
IO_VID_ENC_VMOD = vidtemp;
}
/* Note this is expecting a screen size of 480x640 or 240x320, other screen
* sizes need to be considered for fudge factors
*/
@ -115,14 +139,48 @@ void lcd_init_device(void)
{
unsigned int addr;
/* Pin 32 controls the LED above the LCD */
IO_GIO_DIR2 &= ~(0x01); /* output */
IO_GIO_INV2 &= ~(0x01); /* non-inverted */
IO_GIO_FSEL2 &= ~(0x03<<14); /* normal pins */
/* LCD related pins:
* 32 - LED above LCD
* 33 - ??
* 34 - R2 for 18 bit output
* 35 - Resolution (MO?)
* 36 - LCD power (INI?)
* 37 - Backlight and LCD power
* 38 - B2 for 18 bit output
*/
/* Setup main LCD pins */
/* 32: output, non-inverted, no-irq, falling edge, no-chat, normal */
dm320_set_io(32, false, false, false, false, false, 0x00);
IO_GIO_BITCLR2 = 1; /* Turn the LED off */
/* Turn the LED off */
IO_GIO_BITCLR2 = 1;
/* 33: output, non-inverted, no-irq, falling edge, no-chat, normal */
dm320_set_io(33, false, false, false, false, false, 0x00);
/* To-do: figure out value from OF */
/* 34: output, non-inverted, no-irq, falling edge, no-chat, R2 */
dm320_set_io(34, false, false, false, false, false, 0x02);
/* 35: output, non-inverted, no-irq, falling edge, no-chat, normal */
dm320_set_io(35, false, false, false, false, false, 0x00);
#if LCD_NATIVE_HEIGHT > 320
IO_GIO_BITSET2 = 1<<3; /* Set LCD resolution to VGA */
#else
IO_GIO_BITCLR2 = 1<<3; /* Set LCD resolution to QVGA */
#endif
/* 36: output, non-inverted, no-irq, falling edge, no-chat, normal */
dm320_set_io(36, false, false, false, false, false, 0x00);
IO_GIO_BITSET2 = 0x10; /* LCD on */
/* 37: output, non-inverted, no-irq, falling edge, no-chat, normal */
dm320_set_io(37, false, false, false, false, false, 0x00);
IO_GIO_BITCLR2 = (1 << 5); /* output low (backlight/lcd on) */
/* 38: output, non-inverted, no-irq, falling edge, no-chat, B2 */
dm320_set_io(38, false, false, false, false, false, 0x02);
/* Clear the Frame */
memset16(FRAME, 0x0000, LCD_WIDTH*LCD_HEIGHT);
@ -158,8 +216,6 @@ void lcd_init_device(void)
IO_VID_ENC_ACCTL = 0x0000;
IO_VID_ENC_PWMP = 0x0000;
IO_VID_ENC_PWMW = 0x0000;
IO_VID_ENC_DCLKPTN0 = 0x0001;
/* Setup the display */
IO_OSD_MODE = 0x00ff;
@ -230,19 +286,9 @@ void lcd_init_device(void)
IO_OSD_VIDWIN0XL = LCD_NATIVE_WIDTH;
IO_OSD_VIDWIN0YL = LCD_NATIVE_HEIGHT;
/* Set pin 36 and 35 (LCD POWER and LCD RESOLUTION) to an output */
IO_GIO_DIR2 &= ~(3<<3);
#if LCD_NATIVE_HEIGHT > 320
/* Set LCD resolution to VGA */
IO_GIO_BITSET2 = 1<<3;
#else
/* Set LCD resolution to QVGA */
IO_GIO_BITCLR2 = 1<<3;
#endif
IO_OSD_OSDWINMD0 |= 0x01;
IO_VID_ENC_VMOD |= 0x01;
lcd_enable_composite(false);
}
#if defined(HAVE_LCD_MODES)