1/* SPDX-License-Identifier: GPL-2.0 */
2/*
3 * Greybus SVC code
4 *
5 * Copyright 2015 Google Inc.
6 * Copyright 2015 Linaro Ltd.
7 */
8
9#ifndef __SVC_H
10#define __SVC_H
11
12#include <linux/types.h>
13#include <linux/device.h>
14
15struct gb_svc_l2_timer_cfg;
16
17#define GB_SVC_CPORT_FLAG_E2EFC BIT(0)
18#define GB_SVC_CPORT_FLAG_CSD_N BIT(1)
19#define GB_SVC_CPORT_FLAG_CSV_N BIT(2)
20
21enum gb_svc_state {
22 GB_SVC_STATE_RESET,
23 GB_SVC_STATE_PROTOCOL_VERSION,
24 GB_SVC_STATE_SVC_HELLO,
25};
26
27enum gb_svc_watchdog_bite {
28 GB_SVC_WATCHDOG_BITE_RESET_UNIPRO = 0,
29 GB_SVC_WATCHDOG_BITE_PANIC_KERNEL,
30};
31
32struct gb_svc_watchdog;
33
34struct svc_debugfs_pwrmon_rail {
35 u8 id;
36 struct gb_svc *svc;
37};
38
39struct gb_svc {
40 struct device dev;
41
42 struct gb_host_device *hd;
43 struct gb_connection *connection;
44 enum gb_svc_state state;
45 struct ida device_id_map;
46 struct workqueue_struct *wq;
47
48 u16 endo_id;
49 u8 ap_intf_id;
50
51 u8 protocol_major;
52 u8 protocol_minor;
53
54 struct gb_svc_watchdog *watchdog;
55 enum gb_svc_watchdog_bite action;
56
57 struct dentry *debugfs_dentry;
58 struct svc_debugfs_pwrmon_rail *pwrmon_rails;
59};
60#define to_gb_svc(d) container_of(d, struct gb_svc, dev)
61
62struct gb_svc *gb_svc_create(struct gb_host_device *hd);
63int gb_svc_add(struct gb_svc *svc);
64void gb_svc_del(struct gb_svc *svc);
65void gb_svc_put(struct gb_svc *svc);
66
67int gb_svc_pwrmon_intf_sample_get(struct gb_svc *svc, u8 intf_id,
68 u8 measurement_type, u32 *value);
69int gb_svc_intf_device_id(struct gb_svc *svc, u8 intf_id, u8 device_id);
70int gb_svc_route_create(struct gb_svc *svc, u8 intf1_id, u8 dev1_id,
71 u8 intf2_id, u8 dev2_id);
72void gb_svc_route_destroy(struct gb_svc *svc, u8 intf1_id, u8 intf2_id);
73int gb_svc_connection_create(struct gb_svc *svc, u8 intf1_id, u16 cport1_id,
74 u8 intf2_id, u16 cport2_id, u8 cport_flags);
75void gb_svc_connection_destroy(struct gb_svc *svc, u8 intf1_id, u16 cport1_id,
76 u8 intf2_id, u16 cport2_id);
77int gb_svc_intf_eject(struct gb_svc *svc, u8 intf_id);
78int gb_svc_intf_vsys_set(struct gb_svc *svc, u8 intf_id, bool enable);
79int gb_svc_intf_refclk_set(struct gb_svc *svc, u8 intf_id, bool enable);
80int gb_svc_intf_unipro_set(struct gb_svc *svc, u8 intf_id, bool enable);
81int gb_svc_intf_activate(struct gb_svc *svc, u8 intf_id, u8 *intf_type);
82int gb_svc_intf_resume(struct gb_svc *svc, u8 intf_id);
83
84int gb_svc_dme_peer_get(struct gb_svc *svc, u8 intf_id, u16 attr, u16 selector,
85 u32 *value);
86int gb_svc_dme_peer_set(struct gb_svc *svc, u8 intf_id, u16 attr, u16 selector,
87 u32 value);
88int gb_svc_intf_set_power_mode(struct gb_svc *svc, u8 intf_id, u8 hs_series,
89 u8 tx_mode, u8 tx_gear, u8 tx_nlanes,
90 u8 tx_amplitude, u8 tx_hs_equalizer,
91 u8 rx_mode, u8 rx_gear, u8 rx_nlanes,
92 u8 flags, u32 quirks,
93 struct gb_svc_l2_timer_cfg *local,
94 struct gb_svc_l2_timer_cfg *remote);
95int gb_svc_intf_set_power_mode_hibernate(struct gb_svc *svc, u8 intf_id);
96int gb_svc_ping(struct gb_svc *svc);
97int gb_svc_watchdog_create(struct gb_svc *svc);
98void gb_svc_watchdog_destroy(struct gb_svc *svc);
99bool gb_svc_watchdog_enabled(struct gb_svc *svc);
100int gb_svc_watchdog_enable(struct gb_svc *svc);
101int gb_svc_watchdog_disable(struct gb_svc *svc);
102
103#endif /* __SVC_H */
104

source code of linux/include/linux/greybus/svc.h