1 /* 2 * Greybus SVC code 3 * 4 * Copyright 2015 Google Inc. 5 * Copyright 2015 Linaro Ltd. 6 * 7 * Released under the GPLv2 only. 8 */ 9 10 #ifndef __SVC_H 11 #define __SVC_H 12 13 #define GB_SVC_CPORT_FLAG_E2EFC BIT(0) 14 #define GB_SVC_CPORT_FLAG_CSD_N BIT(1) 15 #define GB_SVC_CPORT_FLAG_CSV_N BIT(2) 16 17 enum gb_svc_state { 18 GB_SVC_STATE_RESET, 19 GB_SVC_STATE_PROTOCOL_VERSION, 20 GB_SVC_STATE_SVC_HELLO, 21 }; 22 23 enum gb_svc_watchdog_bite { 24 GB_SVC_WATCHDOG_BITE_RESET_UNIPRO = 0, 25 GB_SVC_WATCHDOG_BITE_PANIC_KERNEL, 26 }; 27 28 struct gb_svc_watchdog; 29 30 struct svc_debugfs_pwrmon_rail { 31 u8 id; 32 struct gb_svc *svc; 33 }; 34 35 struct gb_svc { 36 struct device dev; 37 38 struct gb_host_device *hd; 39 struct gb_connection *connection; 40 enum gb_svc_state state; 41 struct ida device_id_map; 42 struct workqueue_struct *wq; 43 44 u16 endo_id; 45 u8 ap_intf_id; 46 47 u8 protocol_major; 48 u8 protocol_minor; 49 50 struct gb_svc_watchdog *watchdog; 51 enum gb_svc_watchdog_bite action; 52 53 struct dentry *debugfs_dentry; 54 struct svc_debugfs_pwrmon_rail *pwrmon_rails; 55 }; 56 #define to_gb_svc(d) container_of(d, struct gb_svc, dev) 57 58 struct gb_svc *gb_svc_create(struct gb_host_device *hd); 59 int gb_svc_add(struct gb_svc *svc); 60 void gb_svc_del(struct gb_svc *svc); 61 void gb_svc_put(struct gb_svc *svc); 62 63 int gb_svc_pwrmon_intf_sample_get(struct gb_svc *svc, u8 intf_id, 64 u8 measurement_type, u32 *value); 65 int gb_svc_intf_device_id(struct gb_svc *svc, u8 intf_id, u8 device_id); 66 int gb_svc_route_create(struct gb_svc *svc, u8 intf1_id, u8 dev1_id, 67 u8 intf2_id, u8 dev2_id); 68 void gb_svc_route_destroy(struct gb_svc *svc, u8 intf1_id, u8 intf2_id); 69 int gb_svc_connection_create(struct gb_svc *svc, u8 intf1_id, u16 cport1_id, 70 u8 intf2_id, u16 cport2_id, u8 cport_flags); 71 void gb_svc_connection_destroy(struct gb_svc *svc, u8 intf1_id, u16 cport1_id, 72 u8 intf2_id, u16 cport2_id); 73 int gb_svc_intf_eject(struct gb_svc *svc, u8 intf_id); 74 int gb_svc_intf_vsys_set(struct gb_svc *svc, u8 intf_id, bool enable); 75 int gb_svc_intf_refclk_set(struct gb_svc *svc, u8 intf_id, bool enable); 76 int gb_svc_intf_unipro_set(struct gb_svc *svc, u8 intf_id, bool enable); 77 int gb_svc_intf_activate(struct gb_svc *svc, u8 intf_id, u8 *intf_type); 78 int gb_svc_intf_resume(struct gb_svc *svc, u8 intf_id); 79 80 int gb_svc_dme_peer_get(struct gb_svc *svc, u8 intf_id, u16 attr, u16 selector, 81 u32 *value); 82 int gb_svc_dme_peer_set(struct gb_svc *svc, u8 intf_id, u16 attr, u16 selector, 83 u32 value); 84 int gb_svc_intf_set_power_mode(struct gb_svc *svc, u8 intf_id, u8 hs_series, 85 u8 tx_mode, u8 tx_gear, u8 tx_nlanes, 86 u8 tx_amplitude, u8 tx_hs_equalizer, 87 u8 rx_mode, u8 rx_gear, u8 rx_nlanes, 88 u8 flags, u32 quirks, 89 struct gb_svc_l2_timer_cfg *local, 90 struct gb_svc_l2_timer_cfg *remote); 91 int gb_svc_intf_set_power_mode_hibernate(struct gb_svc *svc, u8 intf_id); 92 int gb_svc_ping(struct gb_svc *svc); 93 int gb_svc_watchdog_create(struct gb_svc *svc); 94 void gb_svc_watchdog_destroy(struct gb_svc *svc); 95 bool gb_svc_watchdog_enabled(struct gb_svc *svc); 96 int gb_svc_watchdog_enable(struct gb_svc *svc); 97 int gb_svc_watchdog_disable(struct gb_svc *svc); 98 99 int gb_svc_protocol_init(void); 100 void gb_svc_protocol_exit(void); 101 102 #endif /* __SVC_H */ 103