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(I'm so sorry!) Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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C
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106/* SPDX-License-Identifier: GPL-2.0 *//* * ISA bus. */
#ifndef __LINUX_ISA_H#define __LINUX_ISA_H
#include <linux/device.h>#include <linux/errno.h>#include <linux/kernel.h>
struct isa_driver { int (*match)(struct device *, unsigned int); int (*probe)(struct device *, unsigned int); void (*remove)(struct device *, unsigned int); void (*shutdown)(struct device *, unsigned int); int (*suspend)(struct device *, unsigned int, pm_message_t); int (*resume)(struct device *, unsigned int);
struct device_driver driver; struct device *devices;};
#define to_isa_driver(x) container_of((x), struct isa_driver, driver)
#ifdef CONFIG_ISA_BUS_APIint isa_register_driver(struct isa_driver *, unsigned int);void isa_unregister_driver(struct isa_driver *);#elsestatic inline int isa_register_driver(struct isa_driver *d, unsigned int i){ return -ENODEV;}
static inline void isa_unregister_driver(struct isa_driver *d){}#endif
#define module_isa_driver_init(__isa_driver, __num_isa_dev) \static int __init __isa_driver##_init(void) \{ \ return isa_register_driver(&(__isa_driver), __num_isa_dev); \} \module_init(__isa_driver##_init)
#define module_isa_driver_with_irq_init(__isa_driver, __num_isa_dev, __num_irq) \static int __init __isa_driver##_init(void) \{ \ if (__num_irq != __num_isa_dev) { \ pr_err("%s: Number of irq (%u) does not match number of base (%u)\n", \ __isa_driver.driver.name, __num_irq, __num_isa_dev); \ return -EINVAL; \ } \ return isa_register_driver(&(__isa_driver), __num_isa_dev); \} \module_init(__isa_driver##_init)
#define module_isa_driver_exit(__isa_driver) \static void __exit __isa_driver##_exit(void) \{ \ isa_unregister_driver(&(__isa_driver)); \} \module_exit(__isa_driver##_exit)
/** * module_isa_driver() - Helper macro for registering a ISA driver * @__isa_driver: isa_driver struct * @__num_isa_dev: number of devices to register * * Helper macro for ISA drivers which do not do anything special in module * init/exit. This eliminates a lot of boilerplate code. Each module may only * use this macro once, and calling it replaces module_init and module_exit. */#define module_isa_driver(__isa_driver, __num_isa_dev) \module_isa_driver_init(__isa_driver, __num_isa_dev); \module_isa_driver_exit(__isa_driver)
/** * module_isa_driver_with_irq() - Helper macro for registering an ISA driver with irq * @__isa_driver: isa_driver struct * @__num_isa_dev: number of devices to register * @__num_irq: number of IRQ to register * * Helper macro for ISA drivers with irq that do not do anything special in * module init/exit. Each module may only use this macro once, and calling it * replaces module_init and module_exit. */#define module_isa_driver_with_irq(__isa_driver, __num_isa_dev, __num_irq) \module_isa_driver_with_irq_init(__isa_driver, __num_isa_dev, __num_irq); \module_isa_driver_exit(__isa_driver)
/** * max_num_isa_dev() - Maximum possible number registered of an ISA device * @__ida_dev_ext: ISA device address extent * * The highest base address possible for an ISA device is 0x3FF; this results in * 1024 possible base addresses. Dividing the number of possible base addresses * by the address extent taken by each device results in the maximum number of * devices on a system. */#define max_num_isa_dev(__isa_dev_ext) (1024 / __isa_dev_ext)
#endif /* __LINUX_ISA_H */