4 * Copyright (C) 2014 MEN Mikroelektronik GmbH (www.men.de)
5 * Author: Johannes Thumshirn <johannes.thumshirn@men.de>
7 * This program is free software; you can redistribute it and/or modify it
8 * under the terms of the GNU General Public License as published by the Free
9 * Software Foundation; version 2 of the License.
14 #include <linux/mod_devicetable.h>
15 #include <linux/device.h>
16 #include <linux/irqreturn.h>
18 #define CHAMELEON_FILENAME_LEN 12
24 * struct mcb_bus - MEN Chameleon Bus
27 * @carrier: pointer to carrier device
28 * @bus_nr: mcb bus number
29 * @get_irq: callback to get IRQ number
30 * @revision: the FPGA's revision number
31 * @model: the FPGA's model number
32 * @filename: the FPGA's name
36 struct device *carrier;
41 char name[CHAMELEON_FILENAME_LEN + 1];
42 int (*get_irq)(struct mcb_device *dev);
45 static inline struct mcb_bus *to_mcb_bus(struct device *dev)
47 return container_of(dev, struct mcb_bus, dev);
51 * struct mcb_device - MEN Chameleon Bus device
53 * @dev: device in kernel representation
54 * @bus: mcb bus the device is plugged to
55 * @is_added: flag to check if device is added to bus
56 * @driver: associated mcb_driver
58 * @inst: instance in Chameleon table
59 * @group: group in Chameleon table
60 * @var: variant in Chameleon table
61 * @bar: BAR in Chameleon table
62 * @rev: revision in Chameleon table
64 * @memory: memory resource
70 struct mcb_driver *driver;
81 static inline struct mcb_device *to_mcb_device(struct device *dev)
83 return container_of(dev, struct mcb_device, dev);
87 * struct mcb_driver - MEN Chameleon Bus device driver
89 * @driver: device_driver
90 * @id_table: mcb id table
91 * @probe: probe callback
92 * @remove: remove callback
93 * @shutdown: shutdown callback
96 struct device_driver driver;
97 const struct mcb_device_id *id_table;
98 int (*probe)(struct mcb_device *mdev, const struct mcb_device_id *id);
99 void (*remove)(struct mcb_device *mdev);
100 void (*shutdown)(struct mcb_device *mdev);
103 static inline struct mcb_driver *to_mcb_driver(struct device_driver *drv)
105 return container_of(drv, struct mcb_driver, driver);
108 static inline void *mcb_get_drvdata(struct mcb_device *dev)
110 return dev_get_drvdata(&dev->dev);
113 static inline void mcb_set_drvdata(struct mcb_device *dev, void *data)
115 dev_set_drvdata(&dev->dev, data);
118 extern int __must_check __mcb_register_driver(struct mcb_driver *drv,
119 struct module *owner,
120 const char *mod_name);
121 #define mcb_register_driver(driver) \
122 __mcb_register_driver(driver, THIS_MODULE, KBUILD_MODNAME)
123 extern void mcb_unregister_driver(struct mcb_driver *driver);
124 #define module_mcb_driver(__mcb_driver) \
125 module_driver(__mcb_driver, mcb_register_driver, mcb_unregister_driver);
126 extern void mcb_bus_add_devices(const struct mcb_bus *bus);
127 extern int mcb_device_register(struct mcb_bus *bus, struct mcb_device *dev);
128 extern struct mcb_bus *mcb_alloc_bus(struct device *carrier);
129 extern struct mcb_bus *mcb_bus_get(struct mcb_bus *bus);
130 extern void mcb_bus_put(struct mcb_bus *bus);
131 extern struct mcb_device *mcb_alloc_dev(struct mcb_bus *bus);
132 extern void mcb_free_dev(struct mcb_device *dev);
133 extern void mcb_release_bus(struct mcb_bus *bus);
134 extern struct resource *mcb_request_mem(struct mcb_device *dev,
136 extern void mcb_release_mem(struct resource *mem);
137 extern int mcb_get_irq(struct mcb_device *dev);
139 #endif /* _LINUX_MCB_H */