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author | Jani Nikula <jani.nikula@intel.com> | 2019-08-07 15:04:15 +0300 |
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committer | Jani Nikula <jani.nikula@intel.com> | 2019-08-08 11:38:22 +0300 |
commit | 707d26dcc1765172031b3779bb03a9db249ad949 (patch) | |
tree | 4d65a2db1c278fbd950434336560fa48f3c7aaf9 /drivers/gpu/drm/i915/intel_pch.h | |
parent | 5e0a809af2a2b577934ec54c0e50897b806f0732 (diff) | |
download | linux-707d26dcc1765172031b3779bb03a9db249ad949.tar.gz linux-707d26dcc1765172031b3779bb03a9db249ad949.tar.bz2 linux-707d26dcc1765172031b3779bb03a9db249ad949.zip |
drm/i915: split out intel_pch.[ch] from i915_drv.[ch]
Abstract the rather self-contained piece of code from i915_drv.[ch]. No
functional changes.
Cc: José Roberto de Souza <jose.souza@intel.com>
Cc: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Acked-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Reviewed-by: José Roberto de Souza <jose.souza@intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190807120415.17917-1-jani.nikula@intel.com
Diffstat (limited to 'drivers/gpu/drm/i915/intel_pch.h')
-rw-r--r-- | drivers/gpu/drm/i915/intel_pch.h | 73 |
1 files changed, 73 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/intel_pch.h b/drivers/gpu/drm/i915/intel_pch.h new file mode 100644 index 000000000000..e6a2d65f19c6 --- /dev/null +++ b/drivers/gpu/drm/i915/intel_pch.h @@ -0,0 +1,73 @@ +/* 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_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_ICP_DEVICE_ID_TYPE 0x3480 +#define INTEL_PCH_MCC_DEVICE_ID_TYPE 0x4B00 +#define INTEL_PCH_MCC2_DEVICE_ID_TYPE 0x3880 +#define INTEL_PCH_TGP_DEVICE_ID_TYPE 0xA080 +#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_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__ */ |