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
13struct 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
21void intel_pxp_gsccs_fini(struct intel_pxp *pxp);
22int intel_pxp_gsccs_init(struct intel_pxp *pxp);
23
24int intel_pxp_gsccs_create_session(struct intel_pxp *pxp, int arb_session_id);
25void intel_pxp_gsccs_end_arb_fw_session(struct intel_pxp *pxp, u32 arb_session_id);
26
27#else
28static inline void intel_pxp_gsccs_fini(struct intel_pxp *pxp)
29{
30}
31
32static inline int intel_pxp_gsccs_init(struct intel_pxp *pxp)
33{
34	return 0;
35}
36
37#endif
38
39bool intel_pxp_gsccs_is_ready_for_sessions(struct intel_pxp *pxp);
40
41#endif /*__INTEL_PXP_GSCCS_H__ */