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git.proxmox.com Git - mirror_ubuntu-jammy-kernel.git/blob - include/linux/mcb.h
1 /* SPDX-License-Identifier: GPL-2.0-only */
5 * Copyright (C) 2014 MEN Mikroelektronik GmbH (www.men.de)
6 * Author: Johannes Thumshirn <johannes.thumshirn@men.de>
11 #include <linux/mod_devicetable.h>
12 #include <linux/device.h>
13 #include <linux/irqreturn.h>
15 #define CHAMELEON_FILENAME_LEN 12
21 * struct mcb_bus - MEN Chameleon Bus
24 * @carrier: pointer to carrier device
25 * @bus_nr: mcb bus number
26 * @get_irq: callback to get IRQ number
27 * @revision: the FPGA's revision number
28 * @model: the FPGA's model number
29 * @filename: the FPGA's name
33 struct device
*carrier
;
38 char name
[CHAMELEON_FILENAME_LEN
+ 1];
39 int (*get_irq
)(struct mcb_device
*dev
);
42 static inline struct mcb_bus
*to_mcb_bus(struct device
*dev
)
44 return container_of(dev
, struct mcb_bus
, dev
);
48 * struct mcb_device - MEN Chameleon Bus device
50 * @dev: device in kernel representation
51 * @bus: mcb bus the device is plugged to
52 * @is_added: flag to check if device is added to bus
53 * @driver: associated mcb_driver
55 * @inst: instance in Chameleon table
56 * @group: group in Chameleon table
57 * @var: variant in Chameleon table
58 * @bar: BAR in Chameleon table
59 * @rev: revision in Chameleon table
61 * @memory: memory resource
67 struct mcb_driver
*driver
;
76 struct device
*dma_dev
;
79 static inline struct mcb_device
*to_mcb_device(struct device
*dev
)
81 return container_of(dev
, struct mcb_device
, dev
);
85 * struct mcb_driver - MEN Chameleon Bus device driver
87 * @driver: device_driver
88 * @id_table: mcb id table
89 * @probe: probe callback
90 * @remove: remove callback
91 * @shutdown: shutdown callback
94 struct device_driver driver
;
95 const struct mcb_device_id
*id_table
;
96 int (*probe
)(struct mcb_device
*mdev
, const struct mcb_device_id
*id
);
97 void (*remove
)(struct mcb_device
*mdev
);
98 void (*shutdown
)(struct mcb_device
*mdev
);
101 static inline struct mcb_driver
*to_mcb_driver(struct device_driver
*drv
)
103 return container_of(drv
, struct mcb_driver
, driver
);
106 static inline void *mcb_get_drvdata(struct mcb_device
*dev
)
108 return dev_get_drvdata(&dev
->dev
);
111 static inline void mcb_set_drvdata(struct mcb_device
*dev
, void *data
)
113 dev_set_drvdata(&dev
->dev
, data
);
116 extern int __must_check
__mcb_register_driver(struct mcb_driver
*drv
,
117 struct module
*owner
,
118 const char *mod_name
);
119 #define mcb_register_driver(driver) \
120 __mcb_register_driver(driver, THIS_MODULE, KBUILD_MODNAME)
121 extern void mcb_unregister_driver(struct mcb_driver
*driver
);
122 #define module_mcb_driver(__mcb_driver) \
123 module_driver(__mcb_driver, mcb_register_driver, mcb_unregister_driver);
124 extern void mcb_bus_add_devices(const struct mcb_bus
*bus
);
125 extern int mcb_device_register(struct mcb_bus
*bus
, struct mcb_device
*dev
);
126 extern struct mcb_bus
*mcb_alloc_bus(struct device
*carrier
);
127 extern struct mcb_bus
*mcb_bus_get(struct mcb_bus
*bus
);
128 extern void mcb_bus_put(struct mcb_bus
*bus
);
129 extern struct mcb_device
*mcb_alloc_dev(struct mcb_bus
*bus
);
130 extern void mcb_free_dev(struct mcb_device
*dev
);
131 extern void mcb_release_bus(struct mcb_bus
*bus
);
132 extern struct resource
*mcb_request_mem(struct mcb_device
*dev
,
134 extern void mcb_release_mem(struct resource
*mem
);
135 extern int mcb_get_irq(struct mcb_device
*dev
);
136 extern struct resource
*mcb_get_resource(struct mcb_device
*dev
,
139 #endif /* _LINUX_MCB_H */