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[ARM] pxafb: add flag to specify output format on LDD pins when base is RGBT16

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Another fix of inconsistent shift of the LCD_BIAS_ACTIVE_* and
LCD_PCLK_EDGE_* is also included.

Signed-off-by: Eric Miao <eric.miao@marvell.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
This commit is contained in:
Eric Miao 2008-08-15 02:50:44 -04:00 committed by Russell King
parent cb47729bda
commit 9a1ac7e498
2 changed files with 8 additions and 4 deletions
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10
arch/arm/mach-pxa/include/mach/pxafb.h
View file

@ -28,6 +28,7 @@
* bits 10-17 : for AC Bias Pin Frequency
* bit 18 : for output enable polarity
* bit 19 : for pixel clock edge
* bit 20 : for output pixel format when base is RGBT16
*/
#define LCD_CONN_TYPE(_x) ((_x) & 0x0f)
#define LCD_CONN_WIDTH(_x) (((_x) >> 4) & 0x1f)
@ -53,10 +54,11 @@
#define LCD_SMART_PANEL_18BPP ((18 << 4) | LCD_TYPE_SMART_PANEL)
#define LCD_AC_BIAS_FREQ(x) (((x) & 0xff) << 10)
#define LCD_BIAS_ACTIVE_HIGH (0 << 17)
#define LCD_BIAS_ACTIVE_LOW (1 << 17)
#define LCD_PCLK_EDGE_RISE (0 << 18)
#define LCD_PCLK_EDGE_FALL (1 << 18)
#define LCD_BIAS_ACTIVE_HIGH (0 << 18)
#define LCD_BIAS_ACTIVE_LOW (1 << 18)
#define LCD_PCLK_EDGE_RISE (0 << 19)
#define LCD_PCLK_EDGE_FALL (1 << 19)
#define LCD_ALTERNATE_MAPPING (1 << 20)
/*
* This structure describes the machine which we are running on.

2
drivers/video/pxafb.c
View file

@ -1402,6 +1402,8 @@ static void pxafb_decode_mach_info(struct pxafb_info *fbi,
if (lcd_conn == LCD_MONO_STN_8BPP)
fbi->lccr0 |= LCCR0_DPD;
fbi->lccr0 |= (lcd_conn & LCD_ALTERNATE_MAPPING) ? LCCR0_LDDALT : 0;
fbi->lccr3 = LCCR3_Acb((inf->lcd_conn >> 10) & 0xff);
fbi->lccr3 |= (lcd_conn & LCD_BIAS_ACTIVE_LOW) ? LCCR3_OEP : 0;
fbi->lccr3 |= (lcd_conn & LCD_PCLK_EDGE_FALL) ? LCCR3_PCP : 0;