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 (*message_send)(struct gb_host_device *hd, u16 dest_cport_id,
25 struct gb_message *message, gfp_t gfp_mask);
26 void (*message_cancel)(struct gb_message *message);
27 int (*latency_tag_enable)(struct gb_host_device *hd, u16 cport_id);
28 int (*latency_tag_disable)(struct gb_host_device *hd, u16 cport_id);
29 int (*output)(struct gb_host_device *hd, void *req, u16 size, u8 cmd,
31 int (*cport_features_enable)(struct gb_host_device *hd, u16 cport_id);
32 int (*cport_features_disable)(struct gb_host_device *hd, u16 cport_id);
35 struct gb_host_device {
38 const struct gb_hd_driver *driver;
40 struct list_head modules;
41 struct list_head connections;
42 struct ida cport_id_map;
44 /* Number of CPorts supported by the UniPro IP */
47 /* Host device buffer constraints */
48 size_t buffer_size_max;
51 /* Private data for the host driver */
52 unsigned long hd_priv[0] __aligned(sizeof(s64));
54 #define to_gb_host_device(d) container_of(d, struct gb_host_device, dev)
56 int gb_hd_cport_reserve(struct gb_host_device *hd, u16 cport_id);
57 int gb_hd_cport_allocate(struct gb_host_device *hd, int cport_id,
59 void gb_hd_cport_release(struct gb_host_device *hd, u16 cport_id);
61 struct gb_host_device *gb_hd_create(struct gb_hd_driver *driver,
62 struct device *parent,
63 size_t buffer_size_max,
65 int gb_hd_add(struct gb_host_device *hd);
66 void gb_hd_del(struct gb_host_device *hd);
67 void gb_hd_put(struct gb_host_device *hd);
68 int gb_hd_output(struct gb_host_device *hd, void *req, u16 size, u8 cmd,
72 void gb_hd_exit(void);