1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0 */ 2*4882a593Smuzhiyun /* 3*4882a593Smuzhiyun * Greybus SVC code 4*4882a593Smuzhiyun * 5*4882a593Smuzhiyun * Copyright 2015 Google Inc. 6*4882a593Smuzhiyun * Copyright 2015 Linaro Ltd. 7*4882a593Smuzhiyun */ 8*4882a593Smuzhiyun 9*4882a593Smuzhiyun #ifndef __SVC_H 10*4882a593Smuzhiyun #define __SVC_H 11*4882a593Smuzhiyun 12*4882a593Smuzhiyun #include <linux/types.h> 13*4882a593Smuzhiyun #include <linux/device.h> 14*4882a593Smuzhiyun 15*4882a593Smuzhiyun struct gb_svc_l2_timer_cfg; 16*4882a593Smuzhiyun 17*4882a593Smuzhiyun #define GB_SVC_CPORT_FLAG_E2EFC BIT(0) 18*4882a593Smuzhiyun #define GB_SVC_CPORT_FLAG_CSD_N BIT(1) 19*4882a593Smuzhiyun #define GB_SVC_CPORT_FLAG_CSV_N BIT(2) 20*4882a593Smuzhiyun 21*4882a593Smuzhiyun enum gb_svc_state { 22*4882a593Smuzhiyun GB_SVC_STATE_RESET, 23*4882a593Smuzhiyun GB_SVC_STATE_PROTOCOL_VERSION, 24*4882a593Smuzhiyun GB_SVC_STATE_SVC_HELLO, 25*4882a593Smuzhiyun }; 26*4882a593Smuzhiyun 27*4882a593Smuzhiyun enum gb_svc_watchdog_bite { 28*4882a593Smuzhiyun GB_SVC_WATCHDOG_BITE_RESET_UNIPRO = 0, 29*4882a593Smuzhiyun GB_SVC_WATCHDOG_BITE_PANIC_KERNEL, 30*4882a593Smuzhiyun }; 31*4882a593Smuzhiyun 32*4882a593Smuzhiyun struct gb_svc_watchdog; 33*4882a593Smuzhiyun 34*4882a593Smuzhiyun struct svc_debugfs_pwrmon_rail { 35*4882a593Smuzhiyun u8 id; 36*4882a593Smuzhiyun struct gb_svc *svc; 37*4882a593Smuzhiyun }; 38*4882a593Smuzhiyun 39*4882a593Smuzhiyun struct gb_svc { 40*4882a593Smuzhiyun struct device dev; 41*4882a593Smuzhiyun 42*4882a593Smuzhiyun struct gb_host_device *hd; 43*4882a593Smuzhiyun struct gb_connection *connection; 44*4882a593Smuzhiyun enum gb_svc_state state; 45*4882a593Smuzhiyun struct ida device_id_map; 46*4882a593Smuzhiyun struct workqueue_struct *wq; 47*4882a593Smuzhiyun 48*4882a593Smuzhiyun u16 endo_id; 49*4882a593Smuzhiyun u8 ap_intf_id; 50*4882a593Smuzhiyun 51*4882a593Smuzhiyun u8 protocol_major; 52*4882a593Smuzhiyun u8 protocol_minor; 53*4882a593Smuzhiyun 54*4882a593Smuzhiyun struct gb_svc_watchdog *watchdog; 55*4882a593Smuzhiyun enum gb_svc_watchdog_bite action; 56*4882a593Smuzhiyun 57*4882a593Smuzhiyun struct dentry *debugfs_dentry; 58*4882a593Smuzhiyun struct svc_debugfs_pwrmon_rail *pwrmon_rails; 59*4882a593Smuzhiyun }; 60*4882a593Smuzhiyun #define to_gb_svc(d) container_of(d, struct gb_svc, dev) 61*4882a593Smuzhiyun 62*4882a593Smuzhiyun struct gb_svc *gb_svc_create(struct gb_host_device *hd); 63*4882a593Smuzhiyun int gb_svc_add(struct gb_svc *svc); 64*4882a593Smuzhiyun void gb_svc_del(struct gb_svc *svc); 65*4882a593Smuzhiyun void gb_svc_put(struct gb_svc *svc); 66*4882a593Smuzhiyun 67*4882a593Smuzhiyun int gb_svc_pwrmon_intf_sample_get(struct gb_svc *svc, u8 intf_id, 68*4882a593Smuzhiyun u8 measurement_type, u32 *value); 69*4882a593Smuzhiyun int gb_svc_intf_device_id(struct gb_svc *svc, u8 intf_id, u8 device_id); 70*4882a593Smuzhiyun int gb_svc_route_create(struct gb_svc *svc, u8 intf1_id, u8 dev1_id, 71*4882a593Smuzhiyun u8 intf2_id, u8 dev2_id); 72*4882a593Smuzhiyun void gb_svc_route_destroy(struct gb_svc *svc, u8 intf1_id, u8 intf2_id); 73*4882a593Smuzhiyun int gb_svc_connection_create(struct gb_svc *svc, u8 intf1_id, u16 cport1_id, 74*4882a593Smuzhiyun u8 intf2_id, u16 cport2_id, u8 cport_flags); 75*4882a593Smuzhiyun void gb_svc_connection_destroy(struct gb_svc *svc, u8 intf1_id, u16 cport1_id, 76*4882a593Smuzhiyun u8 intf2_id, u16 cport2_id); 77*4882a593Smuzhiyun int gb_svc_intf_eject(struct gb_svc *svc, u8 intf_id); 78*4882a593Smuzhiyun int gb_svc_intf_vsys_set(struct gb_svc *svc, u8 intf_id, bool enable); 79*4882a593Smuzhiyun int gb_svc_intf_refclk_set(struct gb_svc *svc, u8 intf_id, bool enable); 80*4882a593Smuzhiyun int gb_svc_intf_unipro_set(struct gb_svc *svc, u8 intf_id, bool enable); 81*4882a593Smuzhiyun int gb_svc_intf_activate(struct gb_svc *svc, u8 intf_id, u8 *intf_type); 82*4882a593Smuzhiyun int gb_svc_intf_resume(struct gb_svc *svc, u8 intf_id); 83*4882a593Smuzhiyun 84*4882a593Smuzhiyun int gb_svc_dme_peer_get(struct gb_svc *svc, u8 intf_id, u16 attr, u16 selector, 85*4882a593Smuzhiyun u32 *value); 86*4882a593Smuzhiyun int gb_svc_dme_peer_set(struct gb_svc *svc, u8 intf_id, u16 attr, u16 selector, 87*4882a593Smuzhiyun u32 value); 88*4882a593Smuzhiyun int gb_svc_intf_set_power_mode(struct gb_svc *svc, u8 intf_id, u8 hs_series, 89*4882a593Smuzhiyun u8 tx_mode, u8 tx_gear, u8 tx_nlanes, 90*4882a593Smuzhiyun u8 tx_amplitude, u8 tx_hs_equalizer, 91*4882a593Smuzhiyun u8 rx_mode, u8 rx_gear, u8 rx_nlanes, 92*4882a593Smuzhiyun u8 flags, u32 quirks, 93*4882a593Smuzhiyun struct gb_svc_l2_timer_cfg *local, 94*4882a593Smuzhiyun struct gb_svc_l2_timer_cfg *remote); 95*4882a593Smuzhiyun int gb_svc_intf_set_power_mode_hibernate(struct gb_svc *svc, u8 intf_id); 96*4882a593Smuzhiyun int gb_svc_ping(struct gb_svc *svc); 97*4882a593Smuzhiyun int gb_svc_watchdog_create(struct gb_svc *svc); 98*4882a593Smuzhiyun void gb_svc_watchdog_destroy(struct gb_svc *svc); 99*4882a593Smuzhiyun bool gb_svc_watchdog_enabled(struct gb_svc *svc); 100*4882a593Smuzhiyun int gb_svc_watchdog_enable(struct gb_svc *svc); 101*4882a593Smuzhiyun int gb_svc_watchdog_disable(struct gb_svc *svc); 102*4882a593Smuzhiyun 103*4882a593Smuzhiyun int gb_svc_protocol_init(void); 104*4882a593Smuzhiyun void gb_svc_protocol_exit(void); 105*4882a593Smuzhiyun 106*4882a593Smuzhiyun #endif /* __SVC_H */ 107