[net-next-2.6.git] / include / linux / vlynq.h

/*
 * Copyright (C) 2006, 2007 Eugene Konev <ejka@openwrt.org>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 */

#ifndef __VLYNQ_H__
#define __VLYNQ_H__

#include <linux/device.h>
#include <linux/module.h>
#include <linux/types.h>

#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__ */
Commit	Line	Data
55e331cf FF	1	/*
	2	* Copyright (C) 2006, 2007 Eugene Konev <ejka@openwrt.org>
	3	*
	4	* This program is free software; you can redistribute it and/or modify
	5	* it under the terms of the GNU General Public License as published by
	6	* the Free Software Foundation; either version 2 of the License, or
	7	* (at your option) any later version.
	8	*
	9	* This program is distributed in the hope that it will be useful,
	10	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	11	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	12	* GNU General Public License for more details.
	13	*
	14	* You should have received a copy of the GNU General Public License
	15	* along with this program; if not, write to the Free Software
	16	* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
	17	*/
	18
	19	#ifndef __VLYNQ_H__
	20	#define __VLYNQ_H__
	21
	22	#include <linux/device.h>
	23	#include <linux/module.h>
	24	#include <linux/types.h>
	25
	26	#define VLYNQ_NUM_IRQS 32
	27
	28	struct vlynq_mapping {
	29	u32 size;
	30	u32 offset;
	31	};
	32
	33	enum vlynq_divisor {
	34	vlynq_div_auto = 0,
	35	vlynq_ldiv1,
	36	vlynq_ldiv2,
	37	vlynq_ldiv3,
	38	vlynq_ldiv4,
	39	vlynq_ldiv5,
	40	vlynq_ldiv6,
	41	vlynq_ldiv7,
	42	vlynq_ldiv8,
	43	vlynq_rdiv1,
	44	vlynq_rdiv2,
	45	vlynq_rdiv3,
	46	vlynq_rdiv4,
	47	vlynq_rdiv5,
	48	vlynq_rdiv6,
	49	vlynq_rdiv7,
	50	vlynq_rdiv8,
	51	vlynq_div_external
	52	};
	53
	54	struct vlynq_device_id {
	55	u32 id;
	56	enum vlynq_divisor divisor;
	57	unsigned long driver_data;
	58	};
	59
	60	struct vlynq_regs;
	61	struct vlynq_device {
	62	u32 id, dev_id;
	63	int local_irq;
	64	int remote_irq;
65	enum vlynq_divisor divisor;
66	u32 regs_start, regs_end;
67	u32 mem_start, mem_end;
68	u32 irq_start, irq_end;
69	int irq;
70	int enabled;
71	struct vlynq_regs *local;
72	struct vlynq_regs *remote;
73	struct device dev;
74	};
75
76	struct vlynq_driver {
77	char *name;
78	struct vlynq_device_id *id_table;
79	int (probe)(struct vlynq_device dev, struct vlynq_device_id *id);
80	void (remove)(struct vlynq_device dev);
81	struct device_driver driver;
82	};
83
84	struct plat_vlynq_ops {
85	int (on)(struct vlynq_device dev);
86	void (off)(struct vlynq_device dev);
87	};
88
89	static inline struct vlynq_driver to_vlynq_driver(struct device_driver drv)
90	{
91	return container_of(drv, struct vlynq_driver, driver);
92	}
93
94	static inline struct vlynq_device to_vlynq_device(struct device device)
95	{
96	return container_of(device, struct vlynq_device, dev);
97	}
98
99	extern struct bus_type vlynq_bus_type;
100
101	extern int __vlynq_register_driver(struct vlynq_driver *driver,
102	struct module *owner);
103
104	static inline int vlynq_register_driver(struct vlynq_driver *driver)
105	{
106	return __vlynq_register_driver(driver, THIS_MODULE);
107	}
108
109	static inline void vlynq_get_drvdata(struct vlynq_device dev)
110	{
111	return dev_get_drvdata(&dev->dev);
112	}
113
114	static inline void vlynq_set_drvdata(struct vlynq_device dev, void data)
115	{
116	dev_set_drvdata(&dev->dev, data);
117	}
118
119	static inline u32 vlynq_mem_start(struct vlynq_device *dev)
120	{
121	return dev->mem_start;
122	}
123
124	static inline u32 vlynq_mem_end(struct vlynq_device *dev)
125	{
126	return dev->mem_end;
127	}
128
129	static inline u32 vlynq_mem_len(struct vlynq_device *dev)
130	{
131	return dev->mem_end - dev->mem_start + 1;
132	}
133
134	static inline int vlynq_virq_to_irq(struct vlynq_device *dev, int virq)
135	{
136	int irq = dev->irq_start + virq;
137	if ((irq < dev->irq_start) \|\| (irq > dev->irq_end))
138	return -EINVAL;
139
140	return irq;
141	}
142
143	static inline int vlynq_irq_to_virq(struct vlynq_device *dev, int irq)
144	{
145	if ((irq < dev->irq_start) \|\| (irq > dev->irq_end))
146	return -EINVAL;
147
148	return irq - dev->irq_start;
149	}
150
151	extern void vlynq_unregister_driver(struct vlynq_driver *driver);
152	extern int vlynq_enable_device(struct vlynq_device *dev);
153	extern void vlynq_disable_device(struct vlynq_device *dev);
154	extern int vlynq_set_local_mapping(struct vlynq_device *dev, u32 tx_offset,
155	struct vlynq_mapping *mapping);
156	extern int vlynq_set_remote_mapping(struct vlynq_device *dev, u32 tx_offset,
157	struct vlynq_mapping *mapping);
158	extern int vlynq_set_local_irq(struct vlynq_device *dev, int virq);
159	extern int vlynq_set_remote_irq(struct vlynq_device *dev, int virq);
160
161	#endif /* __VLYNQ_H__ */