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);