4 * Internal header for coreboot table access.
7 * Copyright 2017 Google Inc.
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License v2.0 as published by
12 * the Free Software Foundation.
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
20 #ifndef __COREBOOT_TABLE_H
21 #define __COREBOOT_TABLE_H
25 /* Coreboot table header structure */
26 struct coreboot_table_header {
35 /* List of coreboot entry structures that is used */
37 struct coreboot_table_entry {
42 /* Points to a CBMEM entry */
50 /* Describes framebuffer setup by coreboot */
51 struct lb_framebuffer {
67 u8 reserved_mask_size;
70 /* A device, additionally with information from coreboot. */
71 struct coreboot_device {
74 struct coreboot_table_entry entry;
75 struct lb_cbmem_ref cbmem_ref;
76 struct lb_framebuffer framebuffer;
80 /* A driver for handling devices described in coreboot tables. */
81 struct coreboot_driver {
82 int (*probe)(struct coreboot_device *);
83 int (*remove)(struct coreboot_device *);
84 struct device_driver drv;
88 /* Register a driver that uses the data from a coreboot table. */
89 int coreboot_driver_register(struct coreboot_driver *driver);
91 /* Unregister a driver that uses the data from a coreboot table. */
92 void coreboot_driver_unregister(struct coreboot_driver *driver);
94 /* Initialize coreboot table module given a pointer to iomem */
95 int coreboot_table_init(struct device *dev, void __iomem *ptr);
97 /* Cleanup coreboot table module */
98 int coreboot_table_exit(void);
100 #endif /* __COREBOOT_TABLE_H */