2005-04-16 16:20:36 -06:00
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#ifndef _LINUX_FIRMWARE_H
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#define _LINUX_FIRMWARE_H
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2008-05-23 06:52:42 -06:00
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2005-04-16 16:20:36 -06:00
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#include <linux/types.h>
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2008-05-23 06:52:42 -06:00
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#include <linux/compiler.h>
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2009-10-29 05:36:02 -06:00
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#include <linux/gfp.h>
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2008-05-23 06:52:42 -06:00
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2005-09-06 16:17:13 -06:00
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#define FW_ACTION_NOHOTPLUG 0
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#define FW_ACTION_HOTPLUG 1
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2005-04-16 16:20:36 -06:00
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struct firmware {
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size_t size;
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2008-05-23 11:38:49 -06:00
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const u8 *data;
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2010-05-02 02:21:21 -06:00
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struct page **pages;
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2012-08-03 22:01:21 -06:00
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/* firmware loader private fields */
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void *priv;
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2005-04-16 16:20:36 -06:00
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};
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2008-03-07 07:57:54 -07:00
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2011-05-26 11:46:22 -06:00
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struct module;
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struct device;
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2008-03-07 07:57:54 -07:00
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2008-05-23 06:52:42 -06:00
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struct builtin_fw {
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char *name;
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void *data;
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unsigned long size;
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};
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/* We have to play tricks here much like stringify() to get the
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__COUNTER__ macro to be expanded as we want it */
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#define __fw_concat1(x, y) x##y
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#define __fw_concat(x, y) __fw_concat1(x, y)
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#define DECLARE_BUILTIN_FIRMWARE(name, blob) \
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DECLARE_BUILTIN_FIRMWARE_SIZE(name, &(blob), sizeof(blob))
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#define DECLARE_BUILTIN_FIRMWARE_SIZE(name, blob, size) \
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static const struct builtin_fw __fw_concat(__builtin_fw,__COUNTER__) \
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__used __section(.builtin_fw) = { name, blob, size }
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2008-07-04 10:59:27 -06:00
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#if defined(CONFIG_FW_LOADER) || (defined(CONFIG_FW_LOADER_MODULE) && defined(MODULE))
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2005-04-16 16:20:36 -06:00
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int request_firmware(const struct firmware **fw, const char *name,
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struct device *device);
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int request_firmware_nowait(
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2011-01-26 03:33:32 -07:00
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struct module *module, bool uevent,
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const char *name, struct device *device, gfp_t gfp, void *context,
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2005-04-16 16:20:36 -06:00
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void (*cont)(const struct firmware *fw, void *context));
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2014-07-02 10:55:05 -06:00
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int request_firmware_direct(const struct firmware **fw, const char *name,
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struct device *device);
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2016-08-02 15:04:28 -06:00
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int request_firmware_into_buf(const struct firmware **firmware_p,
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const char *name, struct device *device, void *buf, size_t size);
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2005-04-16 16:20:36 -06:00
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void release_firmware(const struct firmware *fw);
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2008-03-07 07:57:54 -07:00
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#else
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static inline int request_firmware(const struct firmware **fw,
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const char *name,
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struct device *device)
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{
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return -EINVAL;
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}
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static inline int request_firmware_nowait(
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2011-01-26 03:33:32 -07:00
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struct module *module, bool uevent,
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2009-10-29 05:36:02 -06:00
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const char *name, struct device *device, gfp_t gfp, void *context,
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2008-03-07 07:57:54 -07:00
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void (*cont)(const struct firmware *fw, void *context))
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{
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return -EINVAL;
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}
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static inline void release_firmware(const struct firmware *fw)
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{
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}
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2012-08-03 22:01:22 -06:00
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2014-07-02 10:55:05 -06:00
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static inline int request_firmware_direct(const struct firmware **fw,
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const char *name,
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struct device *device)
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{
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return -EINVAL;
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}
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2008-03-07 07:57:54 -07:00
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2016-08-02 15:04:28 -06:00
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static inline int request_firmware_into_buf(const struct firmware **firmware_p,
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const char *name, struct device *device, void *buf, size_t size)
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{
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return -EINVAL;
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}
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2013-12-02 07:38:16 -07:00
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#endif
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2005-04-16 16:20:36 -06:00
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#endif
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