/* SPDX-License-Identifier: GPL-2.0 */
/*
* Greybus SVC code
*
* Copyright 2015 Google Inc.
* Copyright 2015 Linaro Ltd.
*/
#ifndef __SVC_H
#define __SVC_H
#include <linux/types.h>
#include <linux/device.h>
struct gb_svc_l2_timer_cfg;
#define GB_SVC_CPORT_FLAG_E2EFC BIT(0)
#define GB_SVC_CPORT_FLAG_CSD_N BIT(1)
#define GB_SVC_CPORT_FLAG_CSV_N BIT(2)
enum gb_svc_state {
GB_SVC_STATE_RESET,
GB_SVC_STATE_PROTOCOL_VERSION,
GB_SVC_STATE_SVC_HELLO,
};
enum gb_svc_watchdog_bite {
GB_SVC_WATCHDOG_BITE_RESET_UNIPRO = 0,
GB_SVC_WATCHDOG_BITE_PANIC_KERNEL,
};
struct gb_svc_watchdog;
struct svc_debugfs_pwrmon_rail {
u8 id;
struct gb_svc *svc;
};
struct gb_svc {
struct device dev;
struct gb_host_device *hd;
struct gb_connection *connection;
enum gb_svc_state state;
struct ida device_id_map;
struct workqueue_struct *wq;
u16 endo_id;
u8 ap_intf_id;
u8 protocol_major;
u8 protocol_minor;
struct gb_svc_watchdog *watchdog;
enum gb_svc_watchdog_bite action;
struct dentry *debugfs_dentry;
struct svc_debugfs_pwrmon_rail *pwrmon_rails;
};
#define to_gb_svc(d) container_of(d, struct gb_svc, dev)
struct gb_svc *gb_svc_create(struct gb_host_device *hd);
int gb_svc_add(struct gb_svc *svc);
void gb_svc_del(struct gb_svc *svc);
void gb_svc_put(struct gb_svc *svc);
int gb_svc_pwrmon_intf_sample_get(struct gb_svc *svc, u8 intf_id,
u8 measurement_type, u32 *value);
int gb_svc_intf_device_id(struct gb_svc *svc, u8 intf_id, u8 device_id);
int gb_svc_route_create(struct gb_svc *svc, u8 intf1_id, u8 dev1_id,
u8 intf2_id, u8 dev2_id);
void gb_svc_route_destroy(struct gb_svc *svc, u8 intf1_id, u8 intf2_id);
int gb_svc_connection_create(struct gb_svc *svc, u8 intf1_id, u16 cport1_id,
u8 intf2_id, u16 cport2_id, u8 cport_flags);
void gb_svc_connection_destroy(struct gb_svc *svc, u8 intf1_id, u16 cport1_id,
u8 intf2_id, u16 cport2_id);
int gb_svc_intf_eject(struct gb_svc *svc, u8 intf_id);
int gb_svc_intf_vsys_set(struct gb_svc *svc, u8 intf_id, bool enable);
int gb_svc_intf_refclk_set(struct gb_svc *svc, u8 intf_id, bool enable);
int gb_svc_intf_unipro_set(struct gb_svc *svc, u8 intf_id, bool enable);
int gb_svc_intf_activate(struct gb_svc *svc, u8 intf_id, u8 *intf_type);
int gb_svc_intf_resume(struct gb_svc *svc, u8 intf_id);
int gb_svc_dme_peer_get(struct gb_svc *svc, u8 intf_id, u16 attr, u16 selector,
u32 *value);
int gb_svc_dme_peer_set(struct gb_svc *svc, u8 intf_id, u16 attr, u16 selector,
u32 value);
int gb_svc_intf_set_power_mode(struct gb_svc *svc, u8 intf_id, u8 hs_series,
u8 tx_mode, u8 tx_gear, u8 tx_nlanes,
u8 tx_amplitude, u8 tx_hs_equalizer,
u8 rx_mode, u8 rx_gear, u8 rx_nlanes,
u8 flags, u32 quirks,
struct gb_svc_l2_timer_cfg *local,
struct gb_svc_l2_timer_cfg *remote);
int gb_svc_intf_set_power_mode_hibernate(struct gb_svc *svc, u8 intf_id);
int gb_svc_ping(struct gb_svc *svc);
int gb_svc_watchdog_create(struct gb_svc *svc);
void gb_svc_watchdog_destroy(struct gb_svc *svc);
bool gb_svc_watchdog_enabled(struct gb_svc *svc);
int gb_svc_watchdog_enable(struct gb_svc *svc);
int gb_svc_watchdog_disable(struct gb_svc *svc);
int gb_svc_protocol_init(void);
void gb_svc_protocol_exit(void);
#endif /* __SVC_H */