linux/include/linux/greybus/svc.h
<<
>>
Prefs
   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
 103int gb_svc_protocol_init(void);
 104void gb_svc_protocol_exit(void);
 105
 106#endif /* __SVC_H */
 107