From 8e4bff4cab0ddac6060645b0715210484d02ff40 Mon Sep 17 00:00:00 2001 From: Yuval Adam <_@yuv.al> Date: Wed, 30 Aug 2017 08:25:59 +0000 Subject: Initial file dump from open source release --- include/linux/firmware.h | 82 ++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 82 insertions(+) create mode 100644 include/linux/firmware.h (limited to 'include/linux/firmware.h') diff --git a/include/linux/firmware.h b/include/linux/firmware.h new file mode 100644 index 00000000..e4279fed --- /dev/null +++ b/include/linux/firmware.h @@ -0,0 +1,82 @@ +#ifndef _LINUX_FIRMWARE_H +#define _LINUX_FIRMWARE_H + +#include +#include +#include + +#define FW_ACTION_NOHOTPLUG 0 +#define FW_ACTION_HOTPLUG 1 + +struct firmware { + size_t size; + const u8 *data; + struct page **pages; + + /* firmware loader private fields */ + void *priv; +}; + +struct module; +struct device; + +struct builtin_fw { + char *name; + void *data; + unsigned long size; +}; + +/* We have to play tricks here much like stringify() to get the + __COUNTER__ macro to be expanded as we want it */ +#define __fw_concat1(x, y) x##y +#define __fw_concat(x, y) __fw_concat1(x, y) + +#define DECLARE_BUILTIN_FIRMWARE(name, blob) \ + DECLARE_BUILTIN_FIRMWARE_SIZE(name, &(blob), sizeof(blob)) + +#define DECLARE_BUILTIN_FIRMWARE_SIZE(name, blob, size) \ + static const struct builtin_fw __fw_concat(__builtin_fw,__COUNTER__) \ + __used __section(.builtin_fw) = { name, blob, size } + +#if defined(CONFIG_FW_LOADER) || (defined(CONFIG_FW_LOADER_MODULE) && defined(MODULE)) +int request_firmware(const struct firmware **fw, const char *name, + struct device *device); +int request_firmware_nowait( + struct module *module, bool uevent, + const char *name, struct device *device, gfp_t gfp, void *context, + void (*cont)(const struct firmware *fw, void *context)); + +void release_firmware(const struct firmware *fw); +int cache_firmware(const char *name); +int uncache_firmware(const char *name); +#else +static inline int request_firmware(const struct firmware **fw, + const char *name, + struct device *device) +{ + return -EINVAL; +} +static inline int request_firmware_nowait( + struct module *module, bool uevent, + const char *name, struct device *device, gfp_t gfp, void *context, + void (*cont)(const struct firmware *fw, void *context)) +{ + return -EINVAL; +} + +static inline void release_firmware(const struct firmware *fw) +{ +} + +static inline int cache_firmware(const char *name) +{ + return -ENOENT; +} + +static inline int uncache_firmware(const char *name) +{ + return -EINVAL; +} +#endif + +#endif -- cgit v1.3.1