diff options
Diffstat (limited to 'drivers/firmware/google/coreboot_table.h')
| -rw-r--r-- | drivers/firmware/google/coreboot_table.h | 28 |
1 files changed, 26 insertions, 2 deletions
diff --git a/drivers/firmware/google/coreboot_table.h b/drivers/firmware/google/coreboot_table.h index beb778674acd..bb6f0f7299b4 100644 --- a/drivers/firmware/google/coreboot_table.h +++ b/drivers/firmware/google/coreboot_table.h @@ -13,6 +13,7 @@ #define __COREBOOT_TABLE_H #include <linux/device.h> +#include <linux/mod_devicetable.h> /* Coreboot table header structure */ struct coreboot_table_header { @@ -39,6 +40,18 @@ struct lb_cbmem_ref { u64 cbmem_addr; }; +#define LB_TAG_CBMEM_ENTRY 0x31 + +/* Corresponds to LB_TAG_CBMEM_ENTRY */ +struct lb_cbmem_entry { + u32 tag; + u32 size; + + u64 address; + u32 entry_size; + u32 id; +}; + /* Describes framebuffer setup by coreboot */ struct lb_framebuffer { u32 tag; @@ -65,20 +78,31 @@ struct coreboot_device { union { struct coreboot_table_entry entry; struct lb_cbmem_ref cbmem_ref; + struct lb_cbmem_entry cbmem_entry; struct lb_framebuffer framebuffer; + DECLARE_FLEX_ARRAY(u8, raw); }; }; +static inline struct coreboot_device *dev_to_coreboot_device(struct device *dev) +{ + return container_of(dev, struct coreboot_device, dev); +} + /* A driver for handling devices described in coreboot tables. */ struct coreboot_driver { int (*probe)(struct coreboot_device *); void (*remove)(struct coreboot_device *); struct device_driver drv; - u32 tag; + const struct coreboot_device_id *id_table; }; +/* use a macro to avoid include chaining to get THIS_MODULE */ +#define coreboot_driver_register(driver) \ + __coreboot_driver_register(driver, THIS_MODULE) /* Register a driver that uses the data from a coreboot table. */ -int coreboot_driver_register(struct coreboot_driver *driver); +int __coreboot_driver_register(struct coreboot_driver *driver, + struct module *owner); /* Unregister a driver that uses the data from a coreboot table. */ void coreboot_driver_unregister(struct coreboot_driver *driver); |