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path: root/drivers/gpu/drm/i915/intel_pch.h
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/* SPDX-License-Identifier: MIT */
/*
 * Copyright 2019 Intel Corporation.
 */

#ifndef __INTEL_PCH__
#define __INTEL_PCH__

struct drm_i915_private;

/*
 * Sorted by south display engine compatibility.
 * If the new PCH comes with a south display engine that is not
 * inherited from the latest item, please do not add it to the
 * end. Instead, add it right after its "parent" PCH.
 */
enum intel_pch {
	PCH_NOP = -1,	/* PCH without south display */
	PCH_NONE = 0,	/* No PCH present */
	PCH_IBX,	/* Ibexpeak PCH */
	PCH_CPT,	/* Cougarpoint/Pantherpoint PCH */
	PCH_LPT,	/* Lynxpoint/Wildcatpoint PCH */
	PCH_SPT,        /* Sunrisepoint/Kaby Lake PCH */
	PCH_CNP,        /* Cannon/Comet Lake PCH */
	PCH_ICP,	/* Ice Lake PCH */
	PCH_JSP,	/* Jasper Lake PCH */
	PCH_MCC,        /* Mule Creek Canyon PCH */
	PCH_TGP,	/* Tiger Lake PCH */
};

#define INTEL_PCH_DEVICE_ID_MASK		0xff80
#define INTEL_PCH_IBX_DEVICE_ID_TYPE		0x3b00
#define INTEL_PCH_CPT_DEVICE_ID_TYPE		0x1c00
#define INTEL_PCH_PPT_DEVICE_ID_TYPE		0x1e00
#define INTEL_PCH_LPT_DEVICE_ID_TYPE		0x8c00
#define INTEL_PCH_LPT_LP_DEVICE_ID_TYPE		0x9c00
#define INTEL_PCH_WPT_DEVICE_ID_TYPE		0x8c80
#define INTEL_PCH_WPT_LP_DEVICE_ID_TYPE		0x9c80
#define INTEL_PCH_SPT_DEVICE_ID_TYPE		0xA100
#define INTEL_PCH_SPT_LP_DEVICE_ID_TYPE		0x9D00
#define INTEL_PCH_KBP_DEVICE_ID_TYPE		0xA280
#define INTEL_PCH_CNP_DEVICE_ID_TYPE		0xA300
#define INTEL_PCH_CNP_LP_DEVICE_ID_TYPE		0x9D80
#define INTEL_PCH_CMP_DEVICE_ID_TYPE		0x0280
#define INTEL_PCH_CMP2_DEVICE_ID_TYPE		0x0680
#define INTEL_PCH_CMP_V_DEVICE_ID_TYPE		0xA380
#define INTEL_PCH_ICP_DEVICE_ID_TYPE		0x3480
#define INTEL_PCH_MCC_DEVICE_ID_TYPE		0x4B00
#define INTEL_PCH_TGP_DEVICE_ID_TYPE		0xA080
#define INTEL_PCH_TGP2_DEVICE_ID_TYPE		0x4380
#define INTEL_PCH_JSP_DEVICE_ID_TYPE		0x4D80
#define INTEL_PCH_JSP2_DEVICE_ID_TYPE		0x3880
#define INTEL_PCH_P2X_DEVICE_ID_TYPE		0x7100
#define INTEL_PCH_P3X_DEVICE_ID_TYPE		0x7000
#define INTEL_PCH_QEMU_DEVICE_ID_TYPE		0x2900 /* qemu q35 has 2918 */

#define INTEL_PCH_TYPE(dev_priv)		((dev_priv)->pch_type)
#define INTEL_PCH_ID(dev_priv)			((dev_priv)->pch_id)
#define HAS_PCH_JSP(dev_priv)			(INTEL_PCH_TYPE(dev_priv) == PCH_JSP)
#define HAS_PCH_MCC(dev_priv)			(INTEL_PCH_TYPE(dev_priv) == PCH_MCC)
#define HAS_PCH_TGP(dev_priv)			(INTEL_PCH_TYPE(dev_priv) == PCH_TGP)
#define HAS_PCH_ICP(dev_priv)			(INTEL_PCH_TYPE(dev_priv) == PCH_ICP)
#define HAS_PCH_CNP(dev_priv)			(INTEL_PCH_TYPE(dev_priv) == PCH_CNP)
#define HAS_PCH_SPT(dev_priv)			(INTEL_PCH_TYPE(dev_priv) == PCH_SPT)
#define HAS_PCH_LPT(dev_priv)			(INTEL_PCH_TYPE(dev_priv) == PCH_LPT)
#define HAS_PCH_LPT_LP(dev_priv) \
	(INTEL_PCH_ID(dev_priv) == INTEL_PCH_LPT_LP_DEVICE_ID_TYPE || \
	 INTEL_PCH_ID(dev_priv) == INTEL_PCH_WPT_LP_DEVICE_ID_TYPE)
#define HAS_PCH_LPT_H(dev_priv) \
	(INTEL_PCH_ID(dev_priv) == INTEL_PCH_LPT_DEVICE_ID_TYPE || \
	 INTEL_PCH_ID(dev_priv) == INTEL_PCH_WPT_DEVICE_ID_TYPE)
#define HAS_PCH_CPT(dev_priv)			(INTEL_PCH_TYPE(dev_priv) == PCH_CPT)
#define HAS_PCH_IBX(dev_priv)			(INTEL_PCH_TYPE(dev_priv) == PCH_IBX)
#define HAS_PCH_NOP(dev_priv)			(INTEL_PCH_TYPE(dev_priv) == PCH_NOP)
#define HAS_PCH_SPLIT(dev_priv)			(INTEL_PCH_TYPE(dev_priv) != PCH_NONE)

void intel_detect_pch(struct drm_i915_private *dev_priv);

#endif /* __INTEL_PCH__ */