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);
23 int (*cport_disable)(struct gb_host_device *hd, u16 cport_id);
24 int (*cport_ping)(struct gb_host_device *hd, u16 cport_id);
25 int (*message_send)(struct gb_host_device *hd, u16 dest_cport_id,
26 struct gb_message *message, gfp_t gfp_mask);
27 void (*message_cancel)(struct gb_message *message);
28 int (*latency_tag_enable)(struct gb_host_device *hd, u16 cport_id);
29 int (*latency_tag_disable)(struct gb_host_device *hd, u16 cport_id);
30 int (*output)(struct gb_host_device *hd, void *req, u16 size, u8 cmd,
32 int (*cport_features_enable)(struct gb_host_device *hd, u16 cport_id);
33 int (*cport_features_disable)(struct gb_host_device *hd, u16 cport_id);
34 int (*timesync_enable)(struct gb_host_device *hd, u8 count,
35 u64 frame_time, u32 strobe_delay, u32 refclk);
36 int (*timesync_disable)(struct gb_host_device *hd);
37 int (*timesync_authoritative)(struct gb_host_device *hd,
39 int (*timesync_get_last_event)(struct gb_host_device *hd,
43 struct gb_host_device {
46 const struct gb_hd_driver *driver;
48 struct list_head modules;
49 struct list_head connections;
50 struct ida cport_id_map;
52 /* Number of CPorts supported by the UniPro IP */
55 /* Host device buffer constraints */
56 size_t buffer_size_max;
59 /* Private data for the host driver */
60 unsigned long hd_priv[0] __aligned(sizeof(s64));
62 #define to_gb_host_device(d) container_of(d, struct gb_host_device, dev)
64 int gb_hd_cport_reserve(struct gb_host_device *hd, u16 cport_id);
65 void gb_hd_cport_release_reserved(struct gb_host_device *hd, u16 cport_id);
66 int gb_hd_cport_allocate(struct gb_host_device *hd, int cport_id,
68 void gb_hd_cport_release(struct gb_host_device *hd, u16 cport_id);
70 struct gb_host_device *gb_hd_create(struct gb_hd_driver *driver,
71 struct device *parent,
72 size_t buffer_size_max,
74 int gb_hd_add(struct gb_host_device *hd);
75 void gb_hd_del(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);