]>
git.proxmox.com Git - mirror_ubuntu-bionic-kernel.git/blob - drivers/staging/greybus/hd.h
4 * Copyright 2014-2015 Google Inc.
5 * Copyright 2014-2015 Linaro Ltd.
7 * Released under the GPLv2 only.
13 struct gb_host_device
;
19 int (*cport_allocate
)(struct gb_host_device
*hd
, int cport_id
,
21 void (*cport_release
)(struct gb_host_device
*hd
, u16 cport_id
);
22 int (*cport_enable
)(struct gb_host_device
*hd
, u16 cport_id
,
24 int (*cport_disable
)(struct gb_host_device
*hd
, u16 cport_id
);
25 int (*cport_connected
)(struct gb_host_device
*hd
, u16 cport_id
);
26 int (*cport_flush
)(struct gb_host_device
*hd
, u16 cport_id
);
27 int (*cport_shutdown
)(struct gb_host_device
*hd
, u16 cport_id
,
28 u8 phase
, unsigned int timeout
);
29 int (*cport_quiesce
)(struct gb_host_device
*hd
, u16 cport_id
,
30 size_t peer_space
, unsigned int timeout
);
31 int (*cport_clear
)(struct gb_host_device
*hd
, u16 cport_id
);
33 int (*message_send
)(struct gb_host_device
*hd
, u16 dest_cport_id
,
34 struct gb_message
*message
, gfp_t gfp_mask
);
35 void (*message_cancel
)(struct gb_message
*message
);
36 int (*latency_tag_enable
)(struct gb_host_device
*hd
, u16 cport_id
);
37 int (*latency_tag_disable
)(struct gb_host_device
*hd
, u16 cport_id
);
38 int (*output
)(struct gb_host_device
*hd
, void *req
, u16 size
, u8 cmd
,
42 struct gb_host_device
{
45 const struct gb_hd_driver
*driver
;
47 struct list_head modules
;
48 struct list_head connections
;
49 struct ida cport_id_map
;
51 /* Number of CPorts supported by the UniPro IP */
54 /* Host device buffer constraints */
55 size_t buffer_size_max
;
58 /* Private data for the host driver */
59 unsigned long hd_priv
[0] __aligned(sizeof(s64
));
61 #define to_gb_host_device(d) container_of(d, struct gb_host_device, dev)
63 int gb_hd_cport_reserve(struct gb_host_device
*hd
, u16 cport_id
);
64 void gb_hd_cport_release_reserved(struct gb_host_device
*hd
, u16 cport_id
);
65 int gb_hd_cport_allocate(struct gb_host_device
*hd
, int cport_id
,
67 void gb_hd_cport_release(struct gb_host_device
*hd
, u16 cport_id
);
69 struct gb_host_device
*gb_hd_create(struct gb_hd_driver
*driver
,
70 struct device
*parent
,
71 size_t buffer_size_max
,
73 int gb_hd_add(struct gb_host_device
*hd
);
74 void gb_hd_del(struct gb_host_device
*hd
);
75 void gb_hd_shutdown(struct gb_host_device
*hd
);
76 void gb_hd_put(struct gb_host_device
*hd
);
77 int gb_hd_output(struct gb_host_device
*hd
, void *req
, u16 size
, u8 cmd
,
81 void gb_hd_exit(void);