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_enable)(struct gb_host_device *hd, u16 cport_id);
20 int (*cport_disable)(struct gb_host_device *hd, u16 cport_id);
21 int (*message_send)(struct gb_host_device *hd, u16 dest_cport_id,
22 struct gb_message *message, gfp_t gfp_mask);
23 void (*message_cancel)(struct gb_message *message);
24 int (*latency_tag_enable)(struct gb_host_device *hd, u16 cport_id);
25 int (*latency_tag_disable)(struct gb_host_device *hd, u16 cport_id);
26 int (*output)(struct gb_host_device *hd, void *req, u16 size, u8 cmd,
28 int (*cport_features_enable)(struct gb_host_device *hd, u16 cport_id);
29 int (*cport_features_disable)(struct gb_host_device *hd, u16 cport_id);
32 struct gb_host_device {
35 const struct gb_hd_driver *driver;
37 struct list_head modules;
38 struct list_head connections;
39 struct ida cport_id_map;
41 /* Number of CPorts supported by the UniPro IP */
44 /* Host device buffer constraints */
45 size_t buffer_size_max;
48 /* Private data for the host driver */
49 unsigned long hd_priv[0] __aligned(sizeof(s64));
51 #define to_gb_host_device(d) container_of(d, struct gb_host_device, dev)
53 int gb_hd_cport_reserve(struct gb_host_device *hd, u16 cport_id);
54 int gb_hd_cport_allocate(struct gb_host_device *hd, int cport_id);
55 void gb_hd_cport_release(struct gb_host_device *hd, u16 cport_id);
57 struct gb_host_device *gb_hd_create(struct gb_hd_driver *driver,
58 struct device *parent,
59 size_t buffer_size_max,
61 int gb_hd_add(struct gb_host_device *hd);
62 void gb_hd_del(struct gb_host_device *hd);
63 void gb_hd_put(struct gb_host_device *hd);
64 int gb_hd_output(struct gb_host_device *hd, void *req, u16 size, u8 cmd,
68 void gb_hd_exit(void);