drivers/gpu/drm/i915/pxp/intel_pxp_gsccs.h


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/* SPDX-License-Identifier: MIT */
/*
 * Copyright(c) 2022, Intel Corporation. All rights reserved.
 */

#ifndef __INTEL_PXP_GSCCS_H__
#define __INTEL_PXP_GSCCS_H__

#include <linux/types.h>

struct intel_pxp;

#define GSC_REPLY_LATENCY_MS 210
/*
 * Max FW response time is 200ms, to which we add 10ms to account for overhead
 * such as request preparation, GuC submission to hw and pipeline completion times.
 */
#define GSC_PENDING_RETRY_MAXCOUNT 40
#define GSC_PENDING_RETRY_PAUSE_MS 50
#define GSCFW_MAX_ROUND_TRIP_LATENCY_MS (GSC_PENDING_RETRY_MAXCOUNT * GSC_PENDING_RETRY_PAUSE_MS)

#ifdef CONFIG_DRM_I915_PXP
void intel_pxp_gsccs_fini(struct intel_pxp *pxp);
int intel_pxp_gsccs_init(struct intel_pxp *pxp);

int intel_pxp_gsccs_create_session(struct intel_pxp *pxp, int arb_session_id);
void intel_pxp_gsccs_end_arb_fw_session(struct intel_pxp *pxp, u32 arb_session_id);

#else
static inline void intel_pxp_gsccs_fini(struct intel_pxp *pxp)
{
}

static inline int intel_pxp_gsccs_init(struct intel_pxp *pxp)
{
	return 0;
}

#endif

bool intel_pxp_gsccs_is_ready_for_sessions(struct intel_pxp *pxp);

#endif /*__INTEL_PXP_GSCCS_H__ */