1 /* SPDX-License-Identifier: MIT */ 2 /* 3 * Copyright(c) 2022, Intel Corporation. All rights reserved. 4 */ 5 6 #ifndef __INTEL_PXP_GSCCS_H__ 7 #define __INTEL_PXP_GSCCS_H__ 8 9 #include <linux/types.h> 10 11 #include "gt/uc/intel_gsc_uc_heci_cmd_submit.h" 12 13 struct intel_pxp; 14 15 #define GSC_PENDING_RETRY_MAXCOUNT 40 16 #define GSC_PENDING_RETRY_PAUSE_MS 50 17 #define GSCFW_MAX_ROUND_TRIP_LATENCY_MS (GSC_HECI_REPLY_LATENCY_MS + \ 18 (GSC_PENDING_RETRY_MAXCOUNT * GSC_PENDING_RETRY_PAUSE_MS)) 19 20 #ifdef CONFIG_DRM_I915_PXP 21 void intel_pxp_gsccs_fini(struct intel_pxp *pxp); 22 int intel_pxp_gsccs_init(struct intel_pxp *pxp); 23 24 int intel_pxp_gsccs_create_session(struct intel_pxp *pxp, int arb_session_id); 25 void intel_pxp_gsccs_end_arb_fw_session(struct intel_pxp *pxp, u32 arb_session_id); 26 27 #else 28 static inline void intel_pxp_gsccs_fini(struct intel_pxp *pxp) 29 { 30 } 31 32 static inline int intel_pxp_gsccs_init(struct intel_pxp *pxp) 33 { 34 return 0; 35 } 36 37 #endif 38 39 bool intel_pxp_gsccs_is_ready_for_sessions(struct intel_pxp *pxp); 40 41 #endif /*__INTEL_PXP_GSCCS_H__ */ 42