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- /* SPDX-License-Identifier: GPL-2.0-or-later */
- /*
- * Copyright (C) 2006, 2007 Eugene Konev <[email protected]>
- */
- #ifndef __VLYNQ_H__
- #define __VLYNQ_H__
- #include <linux/device.h>
- #include <linux/types.h>
- struct module;
- #define VLYNQ_NUM_IRQS 32
- struct vlynq_mapping {
- u32 size;
- u32 offset;
- };
- enum vlynq_divisor {
- vlynq_div_auto = 0,
- vlynq_ldiv1,
- vlynq_ldiv2,
- vlynq_ldiv3,
- vlynq_ldiv4,
- vlynq_ldiv5,
- vlynq_ldiv6,
- vlynq_ldiv7,
- vlynq_ldiv8,
- vlynq_rdiv1,
- vlynq_rdiv2,
- vlynq_rdiv3,
- vlynq_rdiv4,
- vlynq_rdiv5,
- vlynq_rdiv6,
- vlynq_rdiv7,
- vlynq_rdiv8,
- vlynq_div_external
- };
- struct vlynq_device_id {
- u32 id;
- enum vlynq_divisor divisor;
- unsigned long driver_data;
- };
- struct vlynq_regs;
- struct vlynq_device {
- u32 id, dev_id;
- int local_irq;
- int remote_irq;
- enum vlynq_divisor divisor;
- u32 regs_start, regs_end;
- u32 mem_start, mem_end;
- u32 irq_start, irq_end;
- int irq;
- int enabled;
- struct vlynq_regs *local;
- struct vlynq_regs *remote;
- struct device dev;
- };
- struct vlynq_driver {
- char *name;
- struct vlynq_device_id *id_table;
- int (*probe)(struct vlynq_device *dev, struct vlynq_device_id *id);
- void (*remove)(struct vlynq_device *dev);
- struct device_driver driver;
- };
- struct plat_vlynq_ops {
- int (*on)(struct vlynq_device *dev);
- void (*off)(struct vlynq_device *dev);
- };
- static inline struct vlynq_driver *to_vlynq_driver(struct device_driver *drv)
- {
- return container_of(drv, struct vlynq_driver, driver);
- }
- static inline struct vlynq_device *to_vlynq_device(struct device *device)
- {
- return container_of(device, struct vlynq_device, dev);
- }
- extern struct bus_type vlynq_bus_type;
- extern int __vlynq_register_driver(struct vlynq_driver *driver,
- struct module *owner);
- static inline int vlynq_register_driver(struct vlynq_driver *driver)
- {
- return __vlynq_register_driver(driver, THIS_MODULE);
- }
- static inline void *vlynq_get_drvdata(struct vlynq_device *dev)
- {
- return dev_get_drvdata(&dev->dev);
- }
- static inline void vlynq_set_drvdata(struct vlynq_device *dev, void *data)
- {
- dev_set_drvdata(&dev->dev, data);
- }
- static inline u32 vlynq_mem_start(struct vlynq_device *dev)
- {
- return dev->mem_start;
- }
- static inline u32 vlynq_mem_end(struct vlynq_device *dev)
- {
- return dev->mem_end;
- }
- static inline u32 vlynq_mem_len(struct vlynq_device *dev)
- {
- return dev->mem_end - dev->mem_start + 1;
- }
- static inline int vlynq_virq_to_irq(struct vlynq_device *dev, int virq)
- {
- int irq = dev->irq_start + virq;
- if ((irq < dev->irq_start) || (irq > dev->irq_end))
- return -EINVAL;
- return irq;
- }
- static inline int vlynq_irq_to_virq(struct vlynq_device *dev, int irq)
- {
- if ((irq < dev->irq_start) || (irq > dev->irq_end))
- return -EINVAL;
- return irq - dev->irq_start;
- }
- extern void vlynq_unregister_driver(struct vlynq_driver *driver);
- extern int vlynq_enable_device(struct vlynq_device *dev);
- extern void vlynq_disable_device(struct vlynq_device *dev);
- extern int vlynq_set_local_mapping(struct vlynq_device *dev, u32 tx_offset,
- struct vlynq_mapping *mapping);
- extern int vlynq_set_remote_mapping(struct vlynq_device *dev, u32 tx_offset,
- struct vlynq_mapping *mapping);
- extern int vlynq_set_local_irq(struct vlynq_device *dev, int virq);
- extern int vlynq_set_remote_irq(struct vlynq_device *dev, int virq);
- #endif /* __VLYNQ_H__ */
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