mirror of https://github.com/Qortal/Brooklyn
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
109 lines
2.4 KiB
109 lines
2.4 KiB
/* SPDX-License-Identifier: GPL-2.0 */ |
|
/* |
|
* Turris Mox module configuration bus driver |
|
* |
|
* Copyright (C) 2019 Marek Behún <[email protected]> |
|
*/ |
|
|
|
#ifndef __LINUX_MOXTET_H |
|
#define __LINUX_MOXTET_H |
|
|
|
#include <linux/device.h> |
|
#include <linux/irq.h> |
|
#include <linux/irqdomain.h> |
|
#include <linux/mutex.h> |
|
|
|
#define TURRIS_MOX_MAX_MODULES 10 |
|
|
|
enum turris_mox_cpu_module_id { |
|
TURRIS_MOX_CPU_ID_EMMC = 0x00, |
|
TURRIS_MOX_CPU_ID_SD = 0x10, |
|
}; |
|
|
|
enum turris_mox_module_id { |
|
TURRIS_MOX_MODULE_FIRST = 0x01, |
|
|
|
TURRIS_MOX_MODULE_SFP = 0x01, |
|
TURRIS_MOX_MODULE_PCI = 0x02, |
|
TURRIS_MOX_MODULE_TOPAZ = 0x03, |
|
TURRIS_MOX_MODULE_PERIDOT = 0x04, |
|
TURRIS_MOX_MODULE_USB3 = 0x05, |
|
TURRIS_MOX_MODULE_PCI_BRIDGE = 0x06, |
|
|
|
TURRIS_MOX_MODULE_LAST = 0x06, |
|
}; |
|
|
|
#define MOXTET_NIRQS 16 |
|
|
|
extern struct bus_type moxtet_type; |
|
|
|
struct moxtet { |
|
struct device *dev; |
|
struct mutex lock; |
|
u8 modules[TURRIS_MOX_MAX_MODULES]; |
|
int count; |
|
u8 tx[TURRIS_MOX_MAX_MODULES]; |
|
int dev_irq; |
|
struct { |
|
struct irq_domain *domain; |
|
struct irq_chip chip; |
|
unsigned long masked, exists; |
|
struct moxtet_irqpos { |
|
u8 idx; |
|
u8 bit; |
|
} position[MOXTET_NIRQS]; |
|
} irq; |
|
#ifdef CONFIG_DEBUG_FS |
|
struct dentry *debugfs_root; |
|
#endif |
|
}; |
|
|
|
struct moxtet_driver { |
|
const enum turris_mox_module_id *id_table; |
|
struct device_driver driver; |
|
}; |
|
|
|
static inline struct moxtet_driver * |
|
to_moxtet_driver(struct device_driver *drv) |
|
{ |
|
if (!drv) |
|
return NULL; |
|
return container_of(drv, struct moxtet_driver, driver); |
|
} |
|
|
|
extern int __moxtet_register_driver(struct module *owner, |
|
struct moxtet_driver *mdrv); |
|
|
|
static inline void moxtet_unregister_driver(struct moxtet_driver *mdrv) |
|
{ |
|
if (mdrv) |
|
driver_unregister(&mdrv->driver); |
|
} |
|
|
|
#define moxtet_register_driver(driver) \ |
|
__moxtet_register_driver(THIS_MODULE, driver) |
|
|
|
#define module_moxtet_driver(__moxtet_driver) \ |
|
module_driver(__moxtet_driver, moxtet_register_driver, \ |
|
moxtet_unregister_driver) |
|
|
|
struct moxtet_device { |
|
struct device dev; |
|
struct moxtet *moxtet; |
|
enum turris_mox_module_id id; |
|
unsigned int idx; |
|
}; |
|
|
|
extern int moxtet_device_read(struct device *dev); |
|
extern int moxtet_device_write(struct device *dev, u8 val); |
|
extern int moxtet_device_written(struct device *dev); |
|
|
|
static inline struct moxtet_device * |
|
to_moxtet_device(struct device *dev) |
|
{ |
|
if (!dev) |
|
return NULL; |
|
return container_of(dev, struct moxtet_device, dev); |
|
} |
|
|
|
#endif /* __LINUX_MOXTET_H */
|
|
|