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- /* 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 */
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