mirror of
https://github.com/edk2-porting/linux-next.git
synced 2024-12-22 20:23:57 +08:00
55e331cf7e
Add support for the TI VLYNQ high-speed, serial and packetized bus. This bus allows external devices to be connected to the System-on-Chip and appear in the main system memory just like any memory mapped peripheral. It is widely used in TI's networking and multimedia SoC, including the AR7 SoC. Signed-off-by: Eugene Konev <ejka@imfi.kspu.ru> Signed-off-by: Florian Fainelli <florian@openwrt.org> Cc: Ralf Baechle <ralf@linux-mips.org> Cc: Alan Cox <alan@lxorguk.ukuu.org.uk> Cc: Greg KH <greg@kroah.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
162 lines
3.9 KiB
C
162 lines
3.9 KiB
C
/*
|
|
* 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__ */
|