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_JSP,	/* Jasper Lake PCH */
27	PCH_MCC,        /* Mule Creek Canyon PCH */
28	PCH_TGP,	/* Tiger Lake PCH */
29
30	/* Fake PCHs, functionality handled on the same PCI dev */
31	PCH_DG1 = 1024,
32};
33
34#define INTEL_PCH_DEVICE_ID_MASK		0xff80
35#define INTEL_PCH_IBX_DEVICE_ID_TYPE		0x3b00
36#define INTEL_PCH_CPT_DEVICE_ID_TYPE		0x1c00
37#define INTEL_PCH_PPT_DEVICE_ID_TYPE		0x1e00
38#define INTEL_PCH_LPT_DEVICE_ID_TYPE		0x8c00
39#define INTEL_PCH_LPT_LP_DEVICE_ID_TYPE		0x9c00
40#define INTEL_PCH_WPT_DEVICE_ID_TYPE		0x8c80
41#define INTEL_PCH_WPT_LP_DEVICE_ID_TYPE		0x9c80
42#define INTEL_PCH_SPT_DEVICE_ID_TYPE		0xA100
43#define INTEL_PCH_SPT_LP_DEVICE_ID_TYPE		0x9D00
44#define INTEL_PCH_KBP_DEVICE_ID_TYPE		0xA280
45#define INTEL_PCH_CNP_DEVICE_ID_TYPE		0xA300
46#define INTEL_PCH_CNP_LP_DEVICE_ID_TYPE		0x9D80
47#define INTEL_PCH_CMP_DEVICE_ID_TYPE		0x0280
48#define INTEL_PCH_CMP2_DEVICE_ID_TYPE		0x0680
49#define INTEL_PCH_CMP_V_DEVICE_ID_TYPE		0xA380
50#define INTEL_PCH_ICP_DEVICE_ID_TYPE		0x3480
51#define INTEL_PCH_MCC_DEVICE_ID_TYPE		0x4B00
52#define INTEL_PCH_TGP_DEVICE_ID_TYPE		0xA080
53#define INTEL_PCH_TGP2_DEVICE_ID_TYPE		0x4380
54#define INTEL_PCH_JSP_DEVICE_ID_TYPE		0x4D80
55#define INTEL_PCH_JSP2_DEVICE_ID_TYPE		0x3880
56#define INTEL_PCH_P2X_DEVICE_ID_TYPE		0x7100
57#define INTEL_PCH_P3X_DEVICE_ID_TYPE		0x7000
58#define INTEL_PCH_QEMU_DEVICE_ID_TYPE		0x2900 /* qemu q35 has 2918 */
59
60#define INTEL_PCH_TYPE(dev_priv)		((dev_priv)->pch_type)
61#define INTEL_PCH_ID(dev_priv)			((dev_priv)->pch_id)
62#define HAS_PCH_DG1(dev_priv)			(INTEL_PCH_TYPE(dev_priv) == PCH_DG1)
63#define HAS_PCH_JSP(dev_priv)			(INTEL_PCH_TYPE(dev_priv) == PCH_JSP)
64#define HAS_PCH_MCC(dev_priv)			(INTEL_PCH_TYPE(dev_priv) == PCH_MCC)
65#define HAS_PCH_TGP(dev_priv)			(INTEL_PCH_TYPE(dev_priv) == PCH_TGP)
66#define HAS_PCH_ICP(dev_priv)			(INTEL_PCH_TYPE(dev_priv) == PCH_ICP)
67#define HAS_PCH_CNP(dev_priv)			(INTEL_PCH_TYPE(dev_priv) == PCH_CNP)
68#define HAS_PCH_SPT(dev_priv)			(INTEL_PCH_TYPE(dev_priv) == PCH_SPT)
69#define HAS_PCH_LPT(dev_priv)			(INTEL_PCH_TYPE(dev_priv) == PCH_LPT)
70#define HAS_PCH_LPT_LP(dev_priv) \
71	(INTEL_PCH_ID(dev_priv) == INTEL_PCH_LPT_LP_DEVICE_ID_TYPE || \
72	 INTEL_PCH_ID(dev_priv) == INTEL_PCH_WPT_LP_DEVICE_ID_TYPE)
73#define HAS_PCH_LPT_H(dev_priv) \
74	(INTEL_PCH_ID(dev_priv) == INTEL_PCH_LPT_DEVICE_ID_TYPE || \
75	 INTEL_PCH_ID(dev_priv) == INTEL_PCH_WPT_DEVICE_ID_TYPE)
76#define HAS_PCH_CPT(dev_priv)			(INTEL_PCH_TYPE(dev_priv) == PCH_CPT)
77#define HAS_PCH_IBX(dev_priv)			(INTEL_PCH_TYPE(dev_priv) == PCH_IBX)
78#define HAS_PCH_NOP(dev_priv)			(INTEL_PCH_TYPE(dev_priv) == PCH_NOP)
79#define HAS_PCH_SPLIT(dev_priv)			(INTEL_PCH_TYPE(dev_priv) != PCH_NONE)
80
81void intel_detect_pch(struct drm_i915_private *dev_priv);
82
83#endif /* __INTEL_PCH__ */