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_ping)(struct gb_host_device *hd, u16 cport_id);
28 int (*cport_quiesce)(struct gb_host_device *hd, u16 cport_id,
29 size_t peer_space, unsigned int timeout);
30 int (*cport_clear)(struct gb_host_device *hd, u16 cport_id);
32 int (*message_send)(struct gb_host_device *hd, u16 dest_cport_id,
33 struct gb_message *message, gfp_t gfp_mask);
34 void (*message_cancel)(struct gb_message *message);
35 int (*latency_tag_enable)(struct gb_host_device *hd, u16 cport_id);
36 int (*latency_tag_disable)(struct gb_host_device *hd, u16 cport_id);
37 int (*output)(struct gb_host_device *hd, void *req, u16 size, u8 cmd,
39 int (*cport_features_enable)(struct gb_host_device *hd, u16 cport_id);
40 int (*cport_features_disable)(struct gb_host_device *hd, u16 cport_id);
41 int (*timesync_enable)(struct gb_host_device *hd, u8 count,
42 u64 frame_time, u32 strobe_delay, u32 refclk);
43 int (*timesync_disable)(struct gb_host_device *hd);
44 int (*timesync_authoritative)(struct gb_host_device *hd,
46 int (*timesync_get_last_event)(struct gb_host_device *hd,
50 struct gb_host_device {
53 const struct gb_hd_driver *driver;
55 struct list_head modules;
56 struct list_head connections;
57 struct ida cport_id_map;
59 /* Number of CPorts supported by the UniPro IP */
62 /* Host device buffer constraints */
63 size_t buffer_size_max;
66 /* Private data for the host driver */
67 unsigned long hd_priv[0] __aligned(sizeof(s64));
69 #define to_gb_host_device(d) container_of(d, struct gb_host_device, dev)
71 int gb_hd_cport_reserve(struct gb_host_device *hd, u16 cport_id);
72 void gb_hd_cport_release_reserved(struct gb_host_device *hd, u16 cport_id);
73 int gb_hd_cport_allocate(struct gb_host_device *hd, int cport_id,
75 void gb_hd_cport_release(struct gb_host_device *hd, u16 cport_id);
77 struct gb_host_device *gb_hd_create(struct gb_hd_driver *driver,
78 struct device *parent,
79 size_t buffer_size_max,
81 int gb_hd_add(struct gb_host_device *hd);
82 void gb_hd_del(struct gb_host_device *hd);
83 void gb_hd_shutdown(struct gb_host_device *hd);
84 void gb_hd_put(struct gb_host_device *hd);
85 int gb_hd_output(struct gb_host_device *hd, void *req, u16 size, u8 cmd,
89 void gb_hd_exit(void);