1/* SPDX-License-Identifier: MIT */
 2/*
 3 * Copyright 2019 Intel Corporation.
 4 */
 5
 6#ifndef __INTEL_PCH__
 7#define __INTEL_PCH__
 8
 9struct drm_i915_private;
10
11/*
12 * Sorted by south display engine compatibility.
13 * If the new PCH comes with a south display engine that is not
14 * inherited from the latest item, please do not add it to the
15 * end. Instead, add it right after its "parent" PCH.
16 */
17enum intel_pch {
18	PCH_NOP = -1,	/* PCH without south display */
19	PCH_NONE = 0,	/* No PCH present */
20	PCH_IBX,	/* Ibexpeak PCH */
21	PCH_CPT,	/* Cougarpoint/Pantherpoint PCH */
22	PCH_LPT,	/* Lynxpoint/Wildcatpoint PCH */
23	PCH_SPT,        /* Sunrisepoint/Kaby Lake PCH */
24	PCH_CNP,        /* Cannon/Comet Lake PCH */
25	PCH_ICP,	/* Ice Lake PCH */
26	PCH_MCC,        /* Mule Creek Canyon PCH */
27	PCH_TGP,	/* Tiger Lake PCH */
28};
29
30#define INTEL_PCH_DEVICE_ID_MASK		0xff80
31#define INTEL_PCH_IBX_DEVICE_ID_TYPE		0x3b00
32#define INTEL_PCH_CPT_DEVICE_ID_TYPE		0x1c00
33#define INTEL_PCH_PPT_DEVICE_ID_TYPE		0x1e00
34#define INTEL_PCH_LPT_DEVICE_ID_TYPE		0x8c00
35#define INTEL_PCH_LPT_LP_DEVICE_ID_TYPE		0x9c00
36#define INTEL_PCH_WPT_DEVICE_ID_TYPE		0x8c80
37#define INTEL_PCH_WPT_LP_DEVICE_ID_TYPE		0x9c80
38#define INTEL_PCH_SPT_DEVICE_ID_TYPE		0xA100
39#define INTEL_PCH_SPT_LP_DEVICE_ID_TYPE		0x9D00
40#define INTEL_PCH_KBP_DEVICE_ID_TYPE		0xA280
41#define INTEL_PCH_CNP_DEVICE_ID_TYPE		0xA300
42#define INTEL_PCH_CNP_LP_DEVICE_ID_TYPE		0x9D80
43#define INTEL_PCH_CMP_DEVICE_ID_TYPE		0x0280
44#define INTEL_PCH_CMP2_DEVICE_ID_TYPE		0x0680
45#define INTEL_PCH_ICP_DEVICE_ID_TYPE		0x3480
46#define INTEL_PCH_MCC_DEVICE_ID_TYPE		0x4B00
47#define INTEL_PCH_MCC2_DEVICE_ID_TYPE		0x3880
48#define INTEL_PCH_TGP_DEVICE_ID_TYPE		0xA080
49#define INTEL_PCH_P2X_DEVICE_ID_TYPE		0x7100
50#define INTEL_PCH_P3X_DEVICE_ID_TYPE		0x7000
51#define INTEL_PCH_QEMU_DEVICE_ID_TYPE		0x2900 /* qemu q35 has 2918 */
52
53#define INTEL_PCH_TYPE(dev_priv)		((dev_priv)->pch_type)
54#define INTEL_PCH_ID(dev_priv)			((dev_priv)->pch_id)
55#define HAS_PCH_MCC(dev_priv)			(INTEL_PCH_TYPE(dev_priv) == PCH_MCC)
56#define HAS_PCH_TGP(dev_priv)			(INTEL_PCH_TYPE(dev_priv) == PCH_TGP)
57#define HAS_PCH_ICP(dev_priv)			(INTEL_PCH_TYPE(dev_priv) == PCH_ICP)
58#define HAS_PCH_CNP(dev_priv)			(INTEL_PCH_TYPE(dev_priv) == PCH_CNP)
59#define HAS_PCH_SPT(dev_priv)			(INTEL_PCH_TYPE(dev_priv) == PCH_SPT)
60#define HAS_PCH_LPT(dev_priv)			(INTEL_PCH_TYPE(dev_priv) == PCH_LPT)
61#define HAS_PCH_LPT_LP(dev_priv) \
62	(INTEL_PCH_ID(dev_priv) == INTEL_PCH_LPT_LP_DEVICE_ID_TYPE || \
63	 INTEL_PCH_ID(dev_priv) == INTEL_PCH_WPT_LP_DEVICE_ID_TYPE)
64#define HAS_PCH_LPT_H(dev_priv) \
65	(INTEL_PCH_ID(dev_priv) == INTEL_PCH_LPT_DEVICE_ID_TYPE || \
66	 INTEL_PCH_ID(dev_priv) == INTEL_PCH_WPT_DEVICE_ID_TYPE)
67#define HAS_PCH_CPT(dev_priv)			(INTEL_PCH_TYPE(dev_priv) == PCH_CPT)
68#define HAS_PCH_IBX(dev_priv)			(INTEL_PCH_TYPE(dev_priv) == PCH_IBX)
69#define HAS_PCH_NOP(dev_priv)			(INTEL_PCH_TYPE(dev_priv) == PCH_NOP)
70#define HAS_PCH_SPLIT(dev_priv)			(INTEL_PCH_TYPE(dev_priv) != PCH_NONE)
71
72void intel_detect_pch(struct drm_i915_private *dev_priv);
73
74#endif /* __INTEL_PCH__ */