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/* SPDX-License-Identifier: GPL-2.0-only */
/*
* This structure describes the machine which we are running on.
*/
#ifndef _PXAFB_
#define _PXAFB_
#include <fb.h>
/*
* Supported LCD connections
*
* bits 0 - 3: for LCD panel type:
*
* STN - for passive matrix
* DSTN - for dual scan passive matrix
* TFT - for active matrix
*
* bits 4 - 9 : for bus width
* 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)
#define LCD_TYPE_MASK 0xf
#define LCD_TYPE_UNKNOWN 0
#define LCD_TYPE_MONO_STN 1
#define LCD_TYPE_MONO_DSTN 2
#define LCD_TYPE_COLOR_STN 3
#define LCD_TYPE_COLOR_DSTN 4
#define LCD_TYPE_COLOR_TFT 5
#define LCD_TYPE_SMART_PANEL 6
#define LCD_TYPE_MAX 7
#define LCD_MONO_STN_4BPP ((4 << 4) | LCD_TYPE_MONO_STN)
#define LCD_MONO_STN_8BPP ((8 << 4) | LCD_TYPE_MONO_STN)
#define LCD_MONO_DSTN_8BPP ((8 << 4) | LCD_TYPE_MONO_DSTN)
#define LCD_COLOR_STN_8BPP ((8 << 4) | LCD_TYPE_COLOR_STN)
#define LCD_COLOR_DSTN_16BPP ((16 << 4) | LCD_TYPE_COLOR_DSTN)
#define LCD_COLOR_TFT_8BPP ((8 << 4) | LCD_TYPE_COLOR_TFT)
#define LCD_COLOR_TFT_16BPP ((16 << 4) | LCD_TYPE_COLOR_TFT)
#define LCD_COLOR_TFT_18BPP ((18 << 4) | LCD_TYPE_COLOR_TFT)
#define LCD_SMART_PANEL_8BPP ((8 << 4) | LCD_TYPE_SMART_PANEL)
#define LCD_SMART_PANEL_16BPP ((16 << 4) | LCD_TYPE_SMART_PANEL)
#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 << 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)
struct pxafb_videomode {
struct fb_videomode mode;
u8 bpp;
};
/**
* Define relevant framebuffer information
*/
struct pxafb_platform_data {
struct pxafb_videomode *mode;
unsigned int lcd_conn;
/** force a memory area to be used, else NULL for dynamic allocation */
void *framebuffer;
void (*lcd_power)(int);
void (*backlight_power)(int);
};
/**
* @file
* @brief PXA related framebuffer declarations
*/
#endif
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