67 lines
1.8 KiB
C
67 lines
1.8 KiB
C
/*
|
|
* Greybus Host Device
|
|
*
|
|
* Copyright 2014-2015 Google Inc.
|
|
* Copyright 2014-2015 Linaro Ltd.
|
|
*
|
|
* Released under the GPLv2 only.
|
|
*/
|
|
|
|
#ifndef __HD_H
|
|
#define __HD_H
|
|
|
|
struct gb_host_device;
|
|
struct gb_message;
|
|
|
|
struct gb_hd_driver {
|
|
size_t hd_priv_size;
|
|
|
|
int (*cport_enable)(struct gb_host_device *hd, u16 cport_id);
|
|
int (*cport_disable)(struct gb_host_device *hd, u16 cport_id);
|
|
int (*message_send)(struct gb_host_device *hd, u16 dest_cport_id,
|
|
struct gb_message *message, gfp_t gfp_mask);
|
|
void (*message_cancel)(struct gb_message *message);
|
|
int (*latency_tag_enable)(struct gb_host_device *hd, u16 cport_id);
|
|
int (*latency_tag_disable)(struct gb_host_device *hd, u16 cport_id);
|
|
int (*output)(struct gb_host_device *hd, void *req, u16 size, u8 cmd,
|
|
bool async);
|
|
int (*cport_features_enable)(struct gb_host_device *hd, u16 cport_id);
|
|
int (*cport_features_disable)(struct gb_host_device *hd, u16 cport_id);
|
|
};
|
|
|
|
struct gb_host_device {
|
|
struct device dev;
|
|
int bus_id;
|
|
const struct gb_hd_driver *driver;
|
|
|
|
struct list_head interfaces;
|
|
struct list_head connections;
|
|
struct ida cport_id_map;
|
|
|
|
/* Number of CPorts supported by the UniPro IP */
|
|
size_t num_cports;
|
|
|
|
/* Host device buffer constraints */
|
|
size_t buffer_size_max;
|
|
|
|
struct gb_svc *svc;
|
|
/* Private data for the host driver */
|
|
unsigned long hd_priv[0] __aligned(sizeof(s64));
|
|
};
|
|
#define to_gb_host_device(d) container_of(d, struct gb_host_device, dev)
|
|
|
|
struct gb_host_device *gb_hd_create(struct gb_hd_driver *driver,
|
|
struct device *parent,
|
|
size_t buffer_size_max,
|
|
size_t num_cports);
|
|
int gb_hd_add(struct gb_host_device *hd);
|
|
void gb_hd_del(struct gb_host_device *hd);
|
|
void gb_hd_put(struct gb_host_device *hd);
|
|
int gb_hd_output(struct gb_host_device *hd, void *req, u16 size, u8 cmd,
|
|
bool in_irq);
|
|
|
|
int gb_hd_init(void);
|
|
void gb_hd_exit(void);
|
|
|
|
#endif /* __HD_H */
|