84 lines
2.1 KiB
C
84 lines
2.1 KiB
C
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#ifndef _LINUX_HIMEDIA_DEVICE_H_
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#define _LINUX_HIMEDIA_DEVICE_H_
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#include <linux/module.h>
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#include <linux/major.h>
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#include <linux/device.h>
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#define HIMEDIA_DEVICE_MAJOR 218
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#define HIMEDIA_DYNAMIC_MINOR 255
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struct himedia_device;
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struct himedia_ops {
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//pm methos
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int (*pm_prepare)(struct himedia_device *);
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void (*pm_complete)(struct himedia_device *);
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int (*pm_suspend)(struct himedia_device *);
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int (*pm_resume)(struct himedia_device *);
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int (*pm_freeze)(struct himedia_device *);
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int (*pm_thaw)(struct himedia_device *);
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int (*pm_poweroff)(struct himedia_device *);
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int (*pm_restore)(struct himedia_device *);
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int (*pm_suspend_late)(struct himedia_device *);
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int (*pm_resume_early)(struct himedia_device *);
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int (*pm_freeze_late)(struct himedia_device *);
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int (*pm_thaw_early)(struct himedia_device *);
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int (*pm_poweroff_late)(struct himedia_device *);
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int (*pm_restore_early)(struct himedia_device *);
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int (*pm_suspend_noirq)(struct himedia_device *);
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int (*pm_resume_noirq)(struct himedia_device *);
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int (*pm_freeze_noirq)(struct himedia_device *);
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int (*pm_thaw_noirq)(struct himedia_device *);
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int (*pm_poweroff_noirq)(struct himedia_device *);
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int (*pm_restore_noirq)(struct himedia_device *);
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};
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struct himedia_driver{
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struct device_driver driver;
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struct himedia_ops *ops;
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char name[1];
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};
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#define to_himedia_driver(drv) \
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container_of((drv), struct himedia_driver, driver)
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struct himedia_device {
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struct list_head list;
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#define MAX_LEN 32
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char devfs_name[MAX_LEN];
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int minor;
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struct device device;
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struct module *owner;
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const struct file_operations *fops;
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struct himedia_ops *drvops;
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/*for internal use*/
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struct himedia_driver *driver;
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};
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#define to_himedia_device(dev) \
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container_of((dev), struct himedia_device, device)
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int himedia_register(struct himedia_device *pdev);
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int himedia_unregister(struct himedia_device *pdev);
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#define MODULE_ALIAS_HIMEDIA(minor) \
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MODULE_ALIAS("himedia-char-major-" __stringify(HIMEDIA_DEVICE_MAJOR) \
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"-" __stringify(minor))
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#endif /*_LINUX_HIMEDIA_DEVICE_H_*/
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