drivers/gpu/drm/i915/intel_device_info.h - pub/scm/linux/kernel/git/joro/iommu - Git at Google

 /*
  * Copyright © 2014-2017 Intel Corporation
  *
  * Permission is hereby granted, free of charge, to any person obtaining a
  * copy of this software and associated documentation files (the "Software"),
  * to deal in the Software without restriction, including without limitation
  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  * and/or sell copies of the Software, and to permit persons to whom the
  * Software is furnished to do so, subject to the following conditions:
  *
  * The above copyright notice and this permission notice (including the next
  * paragraph) shall be included in all copies or substantial portions of the
  * Software.
  *
  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
  * IN THE SOFTWARE.
  *
  */

 #ifndef _INTEL_DEVICE_INFO_H_
 #define _INTEL_DEVICE_INFO_H_

 #include <uapi/drm/i915_drm.h>

 #include "intel_step.h"

 #include "gt/intel_engine_types.h"
 #include "gt/intel_context_types.h"
 #include "gt/intel_sseu.h"

 #include "gem/i915_gem_object_types.h"

 struct drm_printer;
 struct drm_i915_private;
 struct intel_gt_definition;

 /* Keep in gen based order, and chronological order within a gen */
 enum intel_platform {
 	INTEL_PLATFORM_UNINITIALIZED = 0,
 	/* gen2 */
 	INTEL_I830,
 	INTEL_I845G,
 	INTEL_I85X,
 	INTEL_I865G,
 	/* gen3 */
 	INTEL_I915G,
 	INTEL_I915GM,
 	INTEL_I945G,
 	INTEL_I945GM,
 	INTEL_G33,
 	INTEL_PINEVIEW,
 	/* gen4 */
 	INTEL_I965G,
 	INTEL_I965GM,
 	INTEL_G45,
 	INTEL_GM45,
 	/* gen5 */
 	INTEL_IRONLAKE,
 	/* gen6 */
 	INTEL_SANDYBRIDGE,
 	/* gen7 */
 	INTEL_IVYBRIDGE,
 	INTEL_VALLEYVIEW,
 	INTEL_HASWELL,
 	/* gen8 */
 	INTEL_BROADWELL,
 	INTEL_CHERRYVIEW,
 	/* gen9 */
 	INTEL_SKYLAKE,
 	INTEL_BROXTON,
 	INTEL_KABYLAKE,
 	INTEL_GEMINILAKE,
 	INTEL_COFFEELAKE,
 	INTEL_COMETLAKE,
 	/* gen11 */
 	INTEL_ICELAKE,
 	INTEL_ELKHARTLAKE,
 	INTEL_JASPERLAKE,
 	/* gen12 */
 	INTEL_TIGERLAKE,
 	INTEL_ROCKETLAKE,
 	INTEL_DG1,
 	INTEL_ALDERLAKE_S,
 	INTEL_ALDERLAKE_P,
 	INTEL_XEHPSDV,
 	INTEL_DG2,
 	INTEL_PONTEVECCHIO,
 	INTEL_METEORLAKE,
 	INTEL_MAX_PLATFORMS
 };

 /*
  * Subplatform bits share the same namespace per parent platform. In other words
  * it is fine for the same bit to be used on multiple parent platforms.
  */

 #define INTEL_SUBPLATFORM_BITS (3)
 #define INTEL_SUBPLATFORM_MASK (BIT(INTEL_SUBPLATFORM_BITS) - 1)

 /* HSW/BDW/SKL/KBL/CFL */
 #define INTEL_SUBPLATFORM_ULT	(0)
 #define INTEL_SUBPLATFORM_ULX	(1)

 /* ICL */
 #define INTEL_SUBPLATFORM_PORTF	(0)

 /* TGL */
 #define INTEL_SUBPLATFORM_UY	(0)

 /* DG2 */
 #define INTEL_SUBPLATFORM_G10	0
 #define INTEL_SUBPLATFORM_G11	1
 #define INTEL_SUBPLATFORM_G12	2

 /* ADL */
 #define INTEL_SUBPLATFORM_RPL	0

 /* ADL-P */
 /*
  * As #define INTEL_SUBPLATFORM_RPL 0 will apply
  * here too, SUBPLATFORM_N will have different
  * bit set
  */
 #define INTEL_SUBPLATFORM_N    1
 #define INTEL_SUBPLATFORM_RPLU  2

 enum intel_ppgtt_type {
 	INTEL_PPGTT_NONE = I915_GEM_PPGTT_NONE,
 	INTEL_PPGTT_ALIASING = I915_GEM_PPGTT_ALIASING,
 	INTEL_PPGTT_FULL = I915_GEM_PPGTT_FULL,
 };

 #define DEV_INFO_FOR_EACH_FLAG(func) \
 	func(is_mobile); \
 	func(is_lp); \
 	func(require_force_probe); \
 	func(is_dgfx); \
 	/* Keep has_* in alphabetical order */ \
 	func(has_64bit_reloc); \
 	func(has_64k_pages); \
 	func(gpu_reset_clobbers_display); \
 	func(has_reset_engine); \
 	func(has_3d_pipeline); \
 	func(has_flat_ccs); \
 	func(has_global_mocs); \
 	func(has_gmd_id); \
 	func(has_gt_uc); \
 	func(has_heci_pxp); \
 	func(has_heci_gscfi); \
 	func(has_guc_deprivilege); \
 	func(has_guc_tlb_invalidation); \
 	func(has_l3_ccs_read); \
 	func(has_l3_dpf); \
 	func(has_llc); \
 	func(has_logical_ring_contexts); \
 	func(has_logical_ring_elsq); \
 	func(has_media_ratio_mode); \
 	func(has_mslice_steering); \
 	func(has_oa_bpc_reporting); \
 	func(has_oa_slice_contrib_limits); \
 	func(has_oam); \
 	func(has_one_eu_per_fuse_bit); \
 	func(has_pxp); \
 	func(has_rc6); \
 	func(has_rc6p); \
 	func(has_rps); \
 	func(has_runtime_pm); \
 	func(has_snoop); \
 	func(has_coherent_ggtt); \
 	func(tuning_thread_rr_after_dep); \
 	func(unfenced_needs_alignment); \
 	func(hws_needs_physical);

 struct intel_ip_version {
 	u8 ver;
 	u8 rel;
 	u8 step;
 };

 struct intel_runtime_info {
 	/*
 	 * Single "graphics" IP version that represents
 	 * render, compute and copy behavior.
 	 */
 	struct {
 		struct intel_ip_version ip;
 	} graphics;
 	struct {
 		struct intel_ip_version ip;
 	} media;

 	/*
 	 * Platform mask is used for optimizing or-ed IS_PLATFORM calls into
 	 * single runtime conditionals, and also to provide groundwork for
 	 * future per platform, or per SKU build optimizations.
 	 *
 	 * Array can be extended when necessary if the corresponding
 	 * BUILD_BUG_ON is hit.
 	 */
 	u32 platform_mask[2];

 	u16 device_id;

 	u32 rawclk_freq;

 	struct intel_step_info step;

 	unsigned int page_sizes; /* page sizes supported by the HW */

 	enum intel_ppgtt_type ppgtt_type;
 	unsigned int ppgtt_size; /* log2, e.g. 31/32/48 bits */

 	bool has_pooled_eu;
 };

 struct intel_device_info {
 	enum intel_platform platform;

 	unsigned int dma_mask_size; /* available DMA address bits */

 	const struct intel_gt_definition *extra_gt_list;

 	u8 gt; /* GT number, 0 if undefined */

 	intel_engine_mask_t platform_engine_mask; /* Engines supported by the HW */
 	u32 memory_regions; /* regions supported by the HW */

 #define DEFINE_FLAG(name) u8 name:1
 	DEV_INFO_FOR_EACH_FLAG(DEFINE_FLAG);
 #undef DEFINE_FLAG

 	/*
 	 * Initial runtime info. Do not access outside of i915_driver_create().
 	 */
 	const struct intel_runtime_info __runtime;

 	u32 cachelevel_to_pat[I915_MAX_CACHE_LEVEL];
 	u32 max_pat_index;
 };

 struct intel_driver_caps {
 	unsigned int scheduler;
 	bool has_logical_contexts:1;
 };

 const char *intel_platform_name(enum intel_platform platform);

 void intel_device_info_driver_create(struct drm_i915_private *i915, u16 device_id,
 				     const struct intel_device_info *match_info);
 void intel_device_info_runtime_init_early(struct drm_i915_private *dev_priv);
 void intel_device_info_runtime_init(struct drm_i915_private *dev_priv);

 void intel_device_info_print(const struct intel_device_info *info,
 			     const struct intel_runtime_info *runtime,
 			     struct drm_printer *p);

 void intel_driver_caps_print(const struct intel_driver_caps *caps,
 			     struct drm_printer *p);

 #endif
	/*
	* Copyright © 2014-2017 Intel Corporation
	*
	* Permission is hereby granted, free of charge, to any person obtaining a
	* copy of this software and associated documentation files (the "Software"),
	* to deal in the Software without restriction, including without limitation
	* the rights to use, copy, modify, merge, publish, distribute, sublicense,
	* and/or sell copies of the Software, and to permit persons to whom the
	* Software is furnished to do so, subject to the following conditions:
	*
	* The above copyright notice and this permission notice (including the next
	* paragraph) shall be included in all copies or substantial portions of the
	* Software.
	*
	* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
	* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
	* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
	* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
	* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
	* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
	* IN THE SOFTWARE.
	*
	*/

	#ifndef _INTEL_DEVICE_INFO_H_
	#define _INTEL_DEVICE_INFO_H_

	#include <uapi/drm/i915_drm.h>

	#include "intel_step.h"

	#include "gt/intel_engine_types.h"
	#include "gt/intel_context_types.h"
	#include "gt/intel_sseu.h"

	#include "gem/i915_gem_object_types.h"

	struct drm_printer;
	struct drm_i915_private;
	struct intel_gt_definition;

	/* Keep in gen based order, and chronological order within a gen */
	enum intel_platform {
	INTEL_PLATFORM_UNINITIALIZED = 0,
	/* gen2 */
	INTEL_I830,
	INTEL_I845G,
	INTEL_I85X,
	INTEL_I865G,
	/* gen3 */
	INTEL_I915G,
	INTEL_I915GM,
	INTEL_I945G,
	INTEL_I945GM,
	INTEL_G33,
	INTEL_PINEVIEW,
	/* gen4 */
	INTEL_I965G,
	INTEL_I965GM,
	INTEL_G45,
	INTEL_GM45,
	/* gen5 */
	INTEL_IRONLAKE,
	/* gen6 */
	INTEL_SANDYBRIDGE,
	/* gen7 */
	INTEL_IVYBRIDGE,
	INTEL_VALLEYVIEW,
	INTEL_HASWELL,
	/* gen8 */
	INTEL_BROADWELL,
	INTEL_CHERRYVIEW,
	/* gen9 */
	INTEL_SKYLAKE,
	INTEL_BROXTON,
	INTEL_KABYLAKE,
	INTEL_GEMINILAKE,
	INTEL_COFFEELAKE,
	INTEL_COMETLAKE,
	/* gen11 */
	INTEL_ICELAKE,
	INTEL_ELKHARTLAKE,
	INTEL_JASPERLAKE,
	/* gen12 */
	INTEL_TIGERLAKE,
	INTEL_ROCKETLAKE,
	INTEL_DG1,
	INTEL_ALDERLAKE_S,
	INTEL_ALDERLAKE_P,
	INTEL_XEHPSDV,
	INTEL_DG2,
	INTEL_PONTEVECCHIO,
	INTEL_METEORLAKE,
	INTEL_MAX_PLATFORMS
	};

	/*
	* Subplatform bits share the same namespace per parent platform. In other words
	* it is fine for the same bit to be used on multiple parent platforms.
	*/

	#define INTEL_SUBPLATFORM_BITS (3)
	#define INTEL_SUBPLATFORM_MASK (BIT(INTEL_SUBPLATFORM_BITS) - 1)

	/* HSW/BDW/SKL/KBL/CFL */
	#define INTEL_SUBPLATFORM_ULT (0)
	#define INTEL_SUBPLATFORM_ULX (1)

	/* ICL */
	#define INTEL_SUBPLATFORM_PORTF (0)

	/* TGL */
	#define INTEL_SUBPLATFORM_UY (0)

	/* DG2 */
	#define INTEL_SUBPLATFORM_G10 0
	#define INTEL_SUBPLATFORM_G11 1
	#define INTEL_SUBPLATFORM_G12 2

	/* ADL */
	#define INTEL_SUBPLATFORM_RPL 0

	/* ADL-P */
	/*
	* As #define INTEL_SUBPLATFORM_RPL 0 will apply
	* here too, SUBPLATFORM_N will have different
	* bit set
	*/
	#define INTEL_SUBPLATFORM_N 1
	#define INTEL_SUBPLATFORM_RPLU 2

	enum intel_ppgtt_type {
	INTEL_PPGTT_NONE = I915_GEM_PPGTT_NONE,
	INTEL_PPGTT_ALIASING = I915_GEM_PPGTT_ALIASING,
	INTEL_PPGTT_FULL = I915_GEM_PPGTT_FULL,
	};

	#define DEV_INFO_FOR_EACH_FLAG(func) \
	func(is_mobile); \
	func(is_lp); \
	func(require_force_probe); \
	func(is_dgfx); \
	/* Keep has_* in alphabetical order */ \
	func(has_64bit_reloc); \
	func(has_64k_pages); \
	func(gpu_reset_clobbers_display); \
	func(has_reset_engine); \
	func(has_3d_pipeline); \
	func(has_flat_ccs); \
	func(has_global_mocs); \
	func(has_gmd_id); \
	func(has_gt_uc); \
	func(has_heci_pxp); \
	func(has_heci_gscfi); \
	func(has_guc_deprivilege); \
	func(has_guc_tlb_invalidation); \
	func(has_l3_ccs_read); \
	func(has_l3_dpf); \
	func(has_llc); \
	func(has_logical_ring_contexts); \
	func(has_logical_ring_elsq); \
	func(has_media_ratio_mode); \
	func(has_mslice_steering); \
	func(has_oa_bpc_reporting); \
	func(has_oa_slice_contrib_limits); \
	func(has_oam); \
	func(has_one_eu_per_fuse_bit); \
	func(has_pxp); \
	func(has_rc6); \
	func(has_rc6p); \
	func(has_rps); \
	func(has_runtime_pm); \
	func(has_snoop); \
	func(has_coherent_ggtt); \
	func(tuning_thread_rr_after_dep); \
	func(unfenced_needs_alignment); \
	func(hws_needs_physical);

	struct intel_ip_version {
	u8 ver;
	u8 rel;
	u8 step;
	};

	struct intel_runtime_info {
	/*
	* Single "graphics" IP version that represents
	* render, compute and copy behavior.
	*/
	struct {
	struct intel_ip_version ip;
	} graphics;
	struct {
	struct intel_ip_version ip;
	} media;

	/*
	* Platform mask is used for optimizing or-ed IS_PLATFORM calls into
	* single runtime conditionals, and also to provide groundwork for
	* future per platform, or per SKU build optimizations.
	*
	* Array can be extended when necessary if the corresponding
	* BUILD_BUG_ON is hit.
	*/
	u32 platform_mask[2];

	u16 device_id;

	u32 rawclk_freq;

	struct intel_step_info step;

	unsigned int page_sizes; /* page sizes supported by the HW */

	enum intel_ppgtt_type ppgtt_type;
	unsigned int ppgtt_size; /* log2, e.g. 31/32/48 bits */

	bool has_pooled_eu;
	};

	struct intel_device_info {
	enum intel_platform platform;

	unsigned int dma_mask_size; /* available DMA address bits */

	const struct intel_gt_definition *extra_gt_list;

	u8 gt; /* GT number, 0 if undefined */

	intel_engine_mask_t platform_engine_mask; /* Engines supported by the HW */
	u32 memory_regions; /* regions supported by the HW */

	#define DEFINE_FLAG(name) u8 name:1
	DEV_INFO_FOR_EACH_FLAG(DEFINE_FLAG);
	#undef DEFINE_FLAG

	/*
	* Initial runtime info. Do not access outside of i915_driver_create().
	*/
	const struct intel_runtime_info __runtime;

	u32 cachelevel_to_pat[I915_MAX_CACHE_LEVEL];
	u32 max_pat_index;
	};

	struct intel_driver_caps {
	unsigned int scheduler;
	bool has_logical_contexts:1;
	};

	const char *intel_platform_name(enum intel_platform platform);

	void intel_device_info_driver_create(struct drm_i915_private *i915, u16 device_id,
	const struct intel_device_info *match_info);
	void intel_device_info_runtime_init_early(struct drm_i915_private *dev_priv);
	void intel_device_info_runtime_init(struct drm_i915_private *dev_priv);

	void intel_device_info_print(const struct intel_device_info *info,
	const struct intel_runtime_info *runtime,
	struct drm_printer *p);

	void intel_driver_caps_print(const struct intel_driver_caps *caps,
	struct drm_printer *p);

	#endif