1/*
  2 * Copyright © 2014-2017 Intel Corporation
  3 *
  4 * Permission is hereby granted, free of charge, to any person obtaining a
  5 * copy of this software and associated documentation files (the "Software"),
  6 * to deal in the Software without restriction, including without limitation
  7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  8 * and/or sell copies of the Software, and to permit persons to whom the
  9 * Software is furnished to do so, subject to the following conditions:
 10 *
 11 * The above copyright notice and this permission notice (including the next
 12 * paragraph) shall be included in all copies or substantial portions of the
 13 * Software.
 14 *
 15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
 18 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
 20 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
 21 * IN THE SOFTWARE.
 22 *
 23 */
 24
 25#ifndef _INTEL_DEVICE_INFO_H_
 26#define _INTEL_DEVICE_INFO_H_
 27
 28#include <uapi/drm/i915_drm.h>
 29
 30#include "display/intel_display.h"
 31
 32#include "gt/intel_engine_types.h"
 33#include "gt/intel_context_types.h"
 34#include "gt/intel_sseu.h"
 35
 36struct drm_printer;
 37struct drm_i915_private;
 38
 39/* Keep in gen based order, and chronological order within a gen */
 40enum intel_platform {
 41	INTEL_PLATFORM_UNINITIALIZED = 0,
 42	/* gen2 */
 43	INTEL_I830,
 44	INTEL_I845G,
 45	INTEL_I85X,
 46	INTEL_I865G,
 47	/* gen3 */
 48	INTEL_I915G,
 49	INTEL_I915GM,
 50	INTEL_I945G,
 51	INTEL_I945GM,
 52	INTEL_G33,
 53	INTEL_PINEVIEW,
 54	/* gen4 */
 55	INTEL_I965G,
 56	INTEL_I965GM,
 57	INTEL_G45,
 58	INTEL_GM45,
 59	/* gen5 */
 60	INTEL_IRONLAKE,
 61	/* gen6 */
 62	INTEL_SANDYBRIDGE,
 63	/* gen7 */
 64	INTEL_IVYBRIDGE,
 65	INTEL_VALLEYVIEW,
 66	INTEL_HASWELL,
 67	/* gen8 */
 68	INTEL_BROADWELL,
 69	INTEL_CHERRYVIEW,
 70	/* gen9 */
 71	INTEL_SKYLAKE,
 72	INTEL_BROXTON,
 73	INTEL_KABYLAKE,
 74	INTEL_GEMINILAKE,
 75	INTEL_COFFEELAKE,
 76	/* gen10 */
 77	INTEL_CANNONLAKE,
 78	/* gen11 */
 79	INTEL_ICELAKE,
 80	INTEL_ELKHARTLAKE,
 81	/* gen12 */
 82	INTEL_TIGERLAKE,
 83	INTEL_MAX_PLATFORMS
 84};
 85
 86/*
 87 * Subplatform bits share the same namespace per parent platform. In other words
 88 * it is fine for the same bit to be used on multiple parent platforms.
 89 */
 90
 91#define INTEL_SUBPLATFORM_BITS (3)
 92
 93/* HSW/BDW/SKL/KBL/CFL */
 94#define INTEL_SUBPLATFORM_ULT	(0)
 95#define INTEL_SUBPLATFORM_ULX	(1)
 96
 97/* CNL/ICL */
 98#define INTEL_SUBPLATFORM_PORTF	(0)
 99
100enum intel_ppgtt_type {
101	INTEL_PPGTT_NONE = I915_GEM_PPGTT_NONE,
102	INTEL_PPGTT_ALIASING = I915_GEM_PPGTT_ALIASING,
103	INTEL_PPGTT_FULL = I915_GEM_PPGTT_FULL,
104};
105
106#define DEV_INFO_FOR_EACH_FLAG(func) \
107	func(is_mobile); \
108	func(is_lp); \
109	func(require_force_probe); \
110	/* Keep has_* in alphabetical order */ \
111	func(has_64bit_reloc); \
112	func(gpu_reset_clobbers_display); \
113	func(has_reset_engine); \
114	func(has_fpga_dbg); \
115	func(has_global_mocs); \
116	func(has_gt_uc); \
117	func(has_l3_dpf); \
118	func(has_llc); \
119	func(has_logical_ring_contexts); \
120	func(has_logical_ring_elsq); \
121	func(has_logical_ring_preemption); \
122	func(has_pooled_eu); \
123	func(has_rc6); \
124	func(has_rc6p); \
125	func(has_rps); \
126	func(has_runtime_pm); \
127	func(has_snoop); \
128	func(has_coherent_ggtt); \
129	func(unfenced_needs_alignment); \
130	func(hws_needs_physical);
131
132#define DEV_INFO_DISPLAY_FOR_EACH_FLAG(func) \
133	/* Keep in alphabetical order */ \
134	func(cursor_needs_physical); \
135	func(has_csr); \
136	func(has_ddi); \
137	func(has_dp_mst); \
138	func(has_fbc); \
139	func(has_gmch); \
140	func(has_hotplug); \
141	func(has_ipc); \
142	func(has_modular_fia); \
143	func(has_overlay); \
144	func(has_psr); \
145	func(overlay_needs_physical); \
146	func(supports_tv);
147
148struct intel_device_info {
149	u16 gen_mask;
150
151	u8 gen;
152	u8 gt; /* GT number, 0 if undefined */
153	intel_engine_mask_t engine_mask; /* Engines supported by the HW */
154
155	enum intel_platform platform;
156
157	enum intel_ppgtt_type ppgtt_type;
158	unsigned int ppgtt_size; /* log2, e.g. 31/32/48 bits */
159
160	unsigned int page_sizes; /* page sizes supported by the HW */
161
162	u32 display_mmio_offset;
163
164	u8 num_pipes;
165
166#define DEFINE_FLAG(name) u8 name:1
167	DEV_INFO_FOR_EACH_FLAG(DEFINE_FLAG);
168#undef DEFINE_FLAG
169
170	struct {
171#define DEFINE_FLAG(name) u8 name:1
172		DEV_INFO_DISPLAY_FOR_EACH_FLAG(DEFINE_FLAG);
173#undef DEFINE_FLAG
174	} display;
175
176	u16 ddb_size; /* in blocks */
177
178	/* Register offsets for the various display pipes and transcoders */
179	int pipe_offsets[I915_MAX_TRANSCODERS];
180	int trans_offsets[I915_MAX_TRANSCODERS];
181	int cursor_offsets[I915_MAX_PIPES];
182
183	struct color_luts {
184		u32 degamma_lut_size;
185		u32 gamma_lut_size;
186		u32 degamma_lut_tests;
187		u32 gamma_lut_tests;
188	} color;
189};
190
191struct intel_runtime_info {
192	/*
193	 * Platform mask is used for optimizing or-ed IS_PLATFORM calls into
194	 * into single runtime conditionals, and also to provide groundwork
195	 * for future per platform, or per SKU build optimizations.
196	 *
197	 * Array can be extended when necessary if the corresponding
198	 * BUILD_BUG_ON is hit.
199	 */
200	u32 platform_mask[2];
201
202	u16 device_id;
203
204	u8 num_sprites[I915_MAX_PIPES];
205	u8 num_scalers[I915_MAX_PIPES];
206
207	u8 num_engines;
208
209	/* Slice/subslice/EU info */
210	struct sseu_dev_info sseu;
211
212	u32 cs_timestamp_frequency_khz;
213
214	/* Media engine access to SFC per instance */
215	u8 vdbox_sfc_access;
216};
217
218struct intel_driver_caps {
219	unsigned int scheduler;
220	bool has_logical_contexts:1;
221};
222
223const char *intel_platform_name(enum intel_platform platform);
224
225void intel_device_info_subplatform_init(struct drm_i915_private *dev_priv);
226void intel_device_info_runtime_init(struct drm_i915_private *dev_priv);
227void intel_device_info_dump_flags(const struct intel_device_info *info,
228				  struct drm_printer *p);
229void intel_device_info_dump_runtime(const struct intel_runtime_info *info,
230				    struct drm_printer *p);
231void intel_device_info_dump_topology(const struct sseu_dev_info *sseu,
232				     struct drm_printer *p);
233
234void intel_device_info_init_mmio(struct drm_i915_private *dev_priv);
235
236void intel_driver_caps_print(const struct intel_driver_caps *caps,
237			     struct drm_printer *p);
238
239#endif