linux/drivers/video/fbdev/core/fbsysfs.c

// SPDX-License-Identifier: GPL-2.0-or-later
/*
 * fbsysfs.c - framebuffer device class and attributes
 *
 * Copyright (c) 2004 James Simmons <[email protected]>
 */

#include <linux/console.h>
#include <linux/fb.h>
#include <linux/fbcon.h>
#include <linux/major.h>

#include "fb_internal.h"

#define FB_SYSFS_FLAG_ATTR …

static int activate(struct fb_info *fb_info, struct fb_var_screeninfo *var)
{ … }

static int mode_string(char *buf, unsigned int offset,
		       const struct fb_videomode *mode)
{ … }

static ssize_t store_mode(struct device *device, struct device_attribute *attr,
			  const char *buf, size_t count)
{ … }

static ssize_t show_mode(struct device *device, struct device_attribute *attr,
			 char *buf)
{ … }

static ssize_t store_modes(struct device *device,
			   struct device_attribute *attr,
			   const char *buf, size_t count)
{ … }

static ssize_t show_modes(struct device *device, struct device_attribute *attr,
			  char *buf)
{ … }

static ssize_t store_bpp(struct device *device, struct device_attribute *attr,
			 const char *buf, size_t count)
{ … }

static ssize_t show_bpp(struct device *device, struct device_attribute *attr,
			char *buf)
{ … }

static ssize_t store_rotate(struct device *device,
			    struct device_attribute *attr,
			    const char *buf, size_t count)
{ … }


static ssize_t show_rotate(struct device *device,
			   struct device_attribute *attr, char *buf)
{ … }

static ssize_t store_virtual(struct device *device,
			     struct device_attribute *attr,
			     const char *buf, size_t count)
{ … }

static ssize_t show_virtual(struct device *device,
			    struct device_attribute *attr, char *buf)
{ … }

static ssize_t show_stride(struct device *device,
			   struct device_attribute *attr, char *buf)
{ … }

static ssize_t store_blank(struct device *device,
			   struct device_attribute *attr,
			   const char *buf, size_t count)
{ … }

static ssize_t show_blank(struct device *device,
			  struct device_attribute *attr, char *buf)
{ … }

static ssize_t store_console(struct device *device,
			     struct device_attribute *attr,
			     const char *buf, size_t count)
{ … }

static ssize_t show_console(struct device *device,
			    struct device_attribute *attr, char *buf)
{ … }

static ssize_t store_cursor(struct device *device,
			    struct device_attribute *attr,
			    const char *buf, size_t count)
{ … }

static ssize_t show_cursor(struct device *device,
			   struct device_attribute *attr, char *buf)
{ … }

static ssize_t store_pan(struct device *device,
			 struct device_attribute *attr,
			 const char *buf, size_t count)
{ … }

static ssize_t show_pan(struct device *device,
			struct device_attribute *attr, char *buf)
{ … }

static ssize_t show_name(struct device *device,
			 struct device_attribute *attr, char *buf)
{ … }

static ssize_t store_fbstate(struct device *device,
			     struct device_attribute *attr,
			     const char *buf, size_t count)
{ … }

static ssize_t show_fbstate(struct device *device,
			    struct device_attribute *attr, char *buf)
{ … }

#if IS_ENABLED(CONFIG_FB_BACKLIGHT)
static ssize_t store_bl_curve(struct device *device,
			      struct device_attribute *attr,
			      const char *buf, size_t count)
{ … }

static ssize_t show_bl_curve(struct device *device,
			     struct device_attribute *attr, char *buf)
{ … }
#endif

/* When cmap is added back in it should be a binary attribute
 * not a text one. Consideration should also be given to converting
 * fbdev to use configfs instead of sysfs */
static struct device_attribute device_attrs[] = …;

static int fb_init_device(struct fb_info *fb_info)
{ … }

static void fb_cleanup_device(struct fb_info *fb_info)
{ … }

int fb_device_create(struct fb_info *fb_info)
{ … }

void fb_device_destroy(struct fb_info *fb_info)
{ … }