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 "intel_step.h"
31 
32 #include "display/intel_display_limits.h"
33 
34 #include "gt/intel_engine_types.h"
35 #include "gt/intel_context_types.h"
36 #include "gt/intel_sseu.h"
37 
38 struct drm_printer;
39 struct drm_i915_private;
40 struct intel_gt_definition;
41 
42 /* Keep in gen based order, and chronological order within a gen */
43 enum intel_platform {
44 	INTEL_PLATFORM_UNINITIALIZED = 0,
45 	/* gen2 */
46 	INTEL_I830,
47 	INTEL_I845G,
48 	INTEL_I85X,
49 	INTEL_I865G,
50 	/* gen3 */
51 	INTEL_I915G,
52 	INTEL_I915GM,
53 	INTEL_I945G,
54 	INTEL_I945GM,
55 	INTEL_G33,
56 	INTEL_PINEVIEW,
57 	/* gen4 */
58 	INTEL_I965G,
59 	INTEL_I965GM,
60 	INTEL_G45,
61 	INTEL_GM45,
62 	/* gen5 */
63 	INTEL_IRONLAKE,
64 	/* gen6 */
65 	INTEL_SANDYBRIDGE,
66 	/* gen7 */
67 	INTEL_IVYBRIDGE,
68 	INTEL_VALLEYVIEW,
69 	INTEL_HASWELL,
70 	/* gen8 */
71 	INTEL_BROADWELL,
72 	INTEL_CHERRYVIEW,
73 	/* gen9 */
74 	INTEL_SKYLAKE,
75 	INTEL_BROXTON,
76 	INTEL_KABYLAKE,
77 	INTEL_GEMINILAKE,
78 	INTEL_COFFEELAKE,
79 	INTEL_COMETLAKE,
80 	/* gen11 */
81 	INTEL_ICELAKE,
82 	INTEL_ELKHARTLAKE,
83 	INTEL_JASPERLAKE,
84 	/* gen12 */
85 	INTEL_TIGERLAKE,
86 	INTEL_ROCKETLAKE,
87 	INTEL_DG1,
88 	INTEL_ALDERLAKE_S,
89 	INTEL_ALDERLAKE_P,
90 	INTEL_XEHPSDV,
91 	INTEL_DG2,
92 	INTEL_PONTEVECCHIO,
93 	INTEL_METEORLAKE,
94 	INTEL_MAX_PLATFORMS
95 };
96 
97 /*
98  * Subplatform bits share the same namespace per parent platform. In other words
99  * it is fine for the same bit to be used on multiple parent platforms.
100  */
101 
102 #define INTEL_SUBPLATFORM_BITS (3)
103 #define INTEL_SUBPLATFORM_MASK (BIT(INTEL_SUBPLATFORM_BITS) - 1)
104 
105 /* HSW/BDW/SKL/KBL/CFL */
106 #define INTEL_SUBPLATFORM_ULT	(0)
107 #define INTEL_SUBPLATFORM_ULX	(1)
108 
109 /* ICL */
110 #define INTEL_SUBPLATFORM_PORTF	(0)
111 
112 /* TGL */
113 #define INTEL_SUBPLATFORM_UY	(0)
114 
115 /* DG2 */
116 #define INTEL_SUBPLATFORM_G10	0
117 #define INTEL_SUBPLATFORM_G11	1
118 #define INTEL_SUBPLATFORM_G12	2
119 
120 /* ADL */
121 #define INTEL_SUBPLATFORM_RPL	0
122 
123 /* ADL-P */
124 /*
125  * As #define INTEL_SUBPLATFORM_RPL 0 will apply
126  * here too, SUBPLATFORM_N will have different
127  * bit set
128  */
129 #define INTEL_SUBPLATFORM_N    1
130 #define INTEL_SUBPLATFORM_RPLU  2
131 
132 /* MTL */
133 #define INTEL_SUBPLATFORM_M	0
134 #define INTEL_SUBPLATFORM_P	1
135 
136 enum intel_ppgtt_type {
137 	INTEL_PPGTT_NONE = I915_GEM_PPGTT_NONE,
138 	INTEL_PPGTT_ALIASING = I915_GEM_PPGTT_ALIASING,
139 	INTEL_PPGTT_FULL = I915_GEM_PPGTT_FULL,
140 };
141 
142 #define DEV_INFO_FOR_EACH_FLAG(func) \
143 	func(is_mobile); \
144 	func(is_lp); \
145 	func(require_force_probe); \
146 	func(is_dgfx); \
147 	/* Keep has_* in alphabetical order */ \
148 	func(has_64bit_reloc); \
149 	func(has_64k_pages); \
150 	func(gpu_reset_clobbers_display); \
151 	func(has_reset_engine); \
152 	func(has_3d_pipeline); \
153 	func(has_4tile); \
154 	func(has_flat_ccs); \
155 	func(has_global_mocs); \
156 	func(has_gmd_id); \
157 	func(has_gt_uc); \
158 	func(has_heci_pxp); \
159 	func(has_heci_gscfi); \
160 	func(has_guc_deprivilege); \
161 	func(has_l3_ccs_read); \
162 	func(has_l3_dpf); \
163 	func(has_llc); \
164 	func(has_logical_ring_contexts); \
165 	func(has_logical_ring_elsq); \
166 	func(has_media_ratio_mode); \
167 	func(has_mslice_steering); \
168 	func(has_oa_bpc_reporting); \
169 	func(has_oa_slice_contrib_limits); \
170 	func(has_oam); \
171 	func(has_one_eu_per_fuse_bit); \
172 	func(has_pxp); \
173 	func(has_rc6); \
174 	func(has_rc6p); \
175 	func(has_rps); \
176 	func(has_runtime_pm); \
177 	func(has_snoop); \
178 	func(has_coherent_ggtt); \
179 	func(tuning_thread_rr_after_dep); \
180 	func(unfenced_needs_alignment); \
181 	func(hws_needs_physical);
182 
183 #define DEV_INFO_DISPLAY_FOR_EACH_FLAG(func) \
184 	/* Keep in alphabetical order */ \
185 	func(cursor_needs_physical); \
186 	func(has_cdclk_crawl); \
187 	func(has_cdclk_squash); \
188 	func(has_ddi); \
189 	func(has_dp_mst); \
190 	func(has_dsb); \
191 	func(has_fpga_dbg); \
192 	func(has_gmch); \
193 	func(has_hotplug); \
194 	func(has_hti); \
195 	func(has_ipc); \
196 	func(has_overlay); \
197 	func(has_psr); \
198 	func(has_psr_hw_tracking); \
199 	func(overlay_needs_physical); \
200 	func(supports_tv);
201 
202 struct intel_ip_version {
203 	u8 ver;
204 	u8 rel;
205 	u8 step;
206 };
207 
208 struct intel_runtime_info {
209 	/*
210 	 * Single "graphics" IP version that represents
211 	 * render, compute and copy behavior.
212 	 */
213 	struct {
214 		struct intel_ip_version ip;
215 	} graphics;
216 	struct {
217 		struct intel_ip_version ip;
218 	} media;
219 	struct {
220 		struct intel_ip_version ip;
221 	} display;
222 
223 	/*
224 	 * Platform mask is used for optimizing or-ed IS_PLATFORM calls into
225 	 * single runtime conditionals, and also to provide groundwork for
226 	 * future per platform, or per SKU build optimizations.
227 	 *
228 	 * Array can be extended when necessary if the corresponding
229 	 * BUILD_BUG_ON is hit.
230 	 */
231 	u32 platform_mask[2];
232 
233 	u16 device_id;
234 
235 	intel_engine_mask_t platform_engine_mask; /* Engines supported by the HW */
236 
237 	u32 rawclk_freq;
238 
239 	struct intel_step_info step;
240 
241 	unsigned int page_sizes; /* page sizes supported by the HW */
242 
243 	enum intel_ppgtt_type ppgtt_type;
244 	unsigned int ppgtt_size; /* log2, e.g. 31/32/48 bits */
245 
246 	u32 memory_regions; /* regions supported by the HW */
247 
248 	bool has_pooled_eu;
249 
250 	/* display */
251 	struct {
252 		u8 pipe_mask;
253 		u8 cpu_transcoder_mask;
254 
255 		u8 num_sprites[I915_MAX_PIPES];
256 		u8 num_scalers[I915_MAX_PIPES];
257 
258 		u8 fbc_mask;
259 
260 		bool has_hdcp;
261 		bool has_dmc;
262 		bool has_dsc;
263 	};
264 };
265 
266 struct intel_device_info {
267 	enum intel_platform platform;
268 
269 	unsigned int dma_mask_size; /* available DMA address bits */
270 
271 	const struct intel_gt_definition *extra_gt_list;
272 
273 	u8 gt; /* GT number, 0 if undefined */
274 
275 #define DEFINE_FLAG(name) u8 name:1
276 	DEV_INFO_FOR_EACH_FLAG(DEFINE_FLAG);
277 #undef DEFINE_FLAG
278 
279 	struct {
280 		u8 abox_mask;
281 
282 		struct {
283 			u16 size; /* in blocks */
284 			u8 slice_mask;
285 		} dbuf;
286 
287 #define DEFINE_FLAG(name) u8 name:1
288 		DEV_INFO_DISPLAY_FOR_EACH_FLAG(DEFINE_FLAG);
289 #undef DEFINE_FLAG
290 
291 		/* Global register offset for the display engine */
292 		u32 mmio_offset;
293 
294 		/* Register offsets for the various display pipes and transcoders */
295 		u32 pipe_offsets[I915_MAX_TRANSCODERS];
296 		u32 trans_offsets[I915_MAX_TRANSCODERS];
297 		u32 cursor_offsets[I915_MAX_PIPES];
298 
299 		struct {
300 			u32 degamma_lut_size;
301 			u32 gamma_lut_size;
302 			u32 degamma_lut_tests;
303 			u32 gamma_lut_tests;
304 		} color;
305 	} display;
306 
307 	/*
308 	 * Initial runtime info. Do not access outside of i915_driver_create().
309 	 */
310 	const struct intel_runtime_info __runtime;
311 };
312 
313 struct intel_driver_caps {
314 	unsigned int scheduler;
315 	bool has_logical_contexts:1;
316 };
317 
318 const char *intel_platform_name(enum intel_platform platform);
319 
320 void intel_device_info_runtime_init_early(struct drm_i915_private *dev_priv);
321 void intel_device_info_runtime_init(struct drm_i915_private *dev_priv);
322 
323 void intel_device_info_print(const struct intel_device_info *info,
324 			     const struct intel_runtime_info *runtime,
325 			     struct drm_printer *p);
326 
327 void intel_driver_caps_print(const struct intel_driver_caps *caps,
328 			     struct drm_printer *p);
329 
330 #endif
331