udl_fb.c File Reference

#include <linux/module.h>
#include <linux/slab.h>
#include <linux/fb.h>
#include <linux/dma-buf.h>
#include <drm/drmP.h>
#include <drm/drm_crtc.h>
#include <drm/drm_crtc_helper.h>
#include "udl_drv.h"
#include <drm/drm_fb_helper.h>

Go to the source code of this file.

Data Structures
struct	udl_fbdev

Macros
#define	DL_DEFIO_WRITE_DELAY   5 /* fb_deferred_io.delay in jiffies */
#define	DL_ALIGN_UP(x, a)   ALIGN(x, a)
#define	DL_ALIGN_DOWN(x, a)   ALIGN(x-(a-1), a)
#define	DLO_RGB_GETRED(col)   (uint8_t)((col) & 0xFF)
#define	DLO_RGB_GETGRN(col)   (uint8_t)(((col) >> 8) & 0xFF)
#define	DLO_RGB_GETBLU(col)   (uint8_t)(((col) >> 16) & 0xFF)
#define	DLO_RG16(red, grn)   (uint8_t)((((red) & 0xF8) | ((grn) >> 5)) & 0xFF)
#define	DLO_GB16(grn, blu)   (uint8_t)(((((grn) & 0x1C) << 3) | ((blu) >> 3)) & 0xFF)
#define	DLO_RGB8(red, grn, blu)   ((((red) << 5) | (((grn) & 3) << 3) | ((blu) & 7)) & 0xFF)

Functions
	module_param (fb_bpp, int, S_IWUSR|S_IRUSR|S_IWGRP|S_IRGRP)
	module_param (fb_defio, int, S_IWUSR|S_IRUSR|S_IWGRP|S_IRGRP)
int	udl_handle_damage (struct udl_framebuffer *fb, int x, int y, int width, int height)
int	udl_fbdev_init (struct drm_device *dev)
void	udl_fbdev_cleanup (struct drm_device *dev)
void	udl_fbdev_unplug (struct drm_device *dev)
struct drm_framebuffer *	udl_fb_user_fb_create (struct drm_device *dev, struct drm_file *file, struct drm_mode_fb_cmd2 *mode_cmd)

Macro Definition Documentation

#define DL_ALIGN_DOWN	(		x,
			a
	)		ALIGN(x-(a-1), a)

Definition at line 41 of file udl_fb.c.

#define DL_ALIGN_UP	(		x,
			a
	)		ALIGN(x, a)

Definition at line 40 of file udl_fb.c.

#define DL_DEFIO_WRITE_DELAY   5 /* fb_deferred_io.delay in jiffies */

Definition at line 25 of file udl_fb.c.

#define DLO_GB16	(		grn,
			blu
	)		(uint8_t)(((((grn) & 0x1C) << 3) | ((blu) >> 3)) & 0xFF)

Return green/blue component of a 16 bpp colour number.

Definition at line 56 of file udl_fb.c.

#define DLO_RG16	(		red,
			grn
	)		(uint8_t)((((red) & 0xF8) | ((grn) >> 5)) & 0xFF)

Return red/green component of a 16 bpp colour number.

Definition at line 53 of file udl_fb.c.

#define DLO_RGB8	(		red,
			grn,
			blu
	)		((((red) << 5) | (((grn) & 3) << 3) | ((blu) & 7)) & 0xFF)

Return 8 bpp colour number from red, green and blue components.

Definition at line 59 of file udl_fb.c.

#define DLO_RGB_GETBLU

(

col

)

(uint8_t)(((col) >> 16) & 0xFF)

Read the blue component (0..255) of a 32 bpp colour.

Definition at line 50 of file udl_fb.c.

#define DLO_RGB_GETGRN

(

col

)

(uint8_t)(((col) >> 8) & 0xFF)

Read the green component (0..255) of a 32 bpp colour.

Definition at line 47 of file udl_fb.c.

#define DLO_RGB_GETRED

(

col

)

(uint8_t)((col) & 0xFF)

Read the red component (0..255) of a 32 bpp colour.

Definition at line 44 of file udl_fb.c.

Function Documentation

module_param	(	fb_bpp	,
		int	,
		S_IWUSR|S_IRUSR|S_IWGRP|	S_IRGRP
	)

module_param	(	fb_defio	,
		int	,
		S_IWUSR|S_IRUSR|S_IWGRP|	S_IRGRP
	)

struct drm_framebuffer* udl_fb_user_fb_create ( struct drm_device *  dev, struct drm_file *  file, struct drm_mode_fb_cmd2 *  mode_cmd  )

read

Definition at line 617 of file udl_fb.c.

void udl_fbdev_cleanup

(

struct drm_device *

dev

)

Definition at line 590 of file udl_fb.c.

int udl_fbdev_init

(

struct drm_device *

dev

)

Definition at line 563 of file udl_fb.c.

void udl_fbdev_unplug

(

struct drm_device *

dev

)

Definition at line 601 of file udl_fb.c.

int udl_handle_damage	(	struct udl_framebuffer *	fb,
		int	x,
		int	y,
		int	width,
		int	height
	)

Definition at line 143 of file udl_fb.c.