linux/drivers/video/screen_info_generic.c

// SPDX-License-Identifier: GPL-2.0

#include <linux/export.h>
#include <linux/ioport.h>
#include <linux/screen_info.h>
#include <linux/string.h>

static void resource_init_named(struct resource *r,
				resource_size_t start, resource_size_t size,
				const char *name, unsigned int flags)
{ … }

static void resource_init_io_named(struct resource *r,
				   resource_size_t start, resource_size_t size,
				   const char *name)
{ … }

static void resource_init_mem_named(struct resource *r,
				   resource_size_t start, resource_size_t size,
				   const char *name)
{ … }

static inline bool __screen_info_has_ega_gfx(unsigned int mode)
{ … }

static inline bool __screen_info_has_vga_gfx(unsigned int mode)
{ … }

/**
 * screen_info_resources() - Get resources from screen_info structure
 * @si: the screen_info
 * @r: pointer to an array of resource structures
 * @num: number of elements in @r:
 *
 * Returns:
 * The number of resources stored in @r on success, or a negative errno code otherwise.
 *
 * A call to screen_info_resources() returns the resources consumed by the
 * screen_info's device or framebuffer. The result is stored in the caller-supplied
 * array @r with up to @num elements. The function returns the number of
 * initialized elements.
 */
ssize_t screen_info_resources(const struct screen_info *si, struct resource *r, size_t num)
{ … }
EXPORT_SYMBOL(…);