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 
131 /* MTL */
132 #define INTEL_SUBPLATFORM_M	0
133 #define INTEL_SUBPLATFORM_P	1
134 
135 enum intel_ppgtt_type {
136 	INTEL_PPGTT_NONE = I915_GEM_PPGTT_NONE,
137 	INTEL_PPGTT_ALIASING = I915_GEM_PPGTT_ALIASING,
138 	INTEL_PPGTT_FULL = I915_GEM_PPGTT_FULL,
139 };
140 
141 #define DEV_INFO_FOR_EACH_FLAG(func) \
142 	func(is_mobile); \
143 	func(is_lp); \
144 	func(require_force_probe); \
145 	func(is_dgfx); \
146 	/* Keep has_* in alphabetical order */ \
147 	func(has_64bit_reloc); \
148 	func(has_64k_pages); \
149 	func(gpu_reset_clobbers_display); \
150 	func(has_reset_engine); \
151 	func(has_3d_pipeline); \
152 	func(has_4tile); \
153 	func(has_flat_ccs); \
154 	func(has_global_mocs); \
155 	func(has_gmd_id); \
156 	func(has_gt_uc); \
157 	func(has_heci_pxp); \
158 	func(has_heci_gscfi); \
159 	func(has_guc_deprivilege); \
160 	func(has_l3_ccs_read); \
161 	func(has_l3_dpf); \
162 	func(has_llc); \
163 	func(has_logical_ring_contexts); \
164 	func(has_logical_ring_elsq); \
165 	func(has_media_ratio_mode); \
166 	func(has_mslice_steering); \
167 	func(has_oa_bpc_reporting); \
168 	func(has_oa_slice_contrib_limits); \
169 	func(has_one_eu_per_fuse_bit); \
170 	func(has_pxp); \
171 	func(has_rc6); \
172 	func(has_rc6p); \
173 	func(has_rps); \
174 	func(has_runtime_pm); \
175 	func(has_snoop); \
176 	func(has_coherent_ggtt); \
177 	func(tuning_thread_rr_after_dep); \
178 	func(unfenced_needs_alignment); \
179 	func(hws_needs_physical);
180 
181 #define DEV_INFO_DISPLAY_FOR_EACH_FLAG(func) \
182 	/* Keep in alphabetical order */ \
183 	func(cursor_needs_physical); \
184 	func(has_cdclk_crawl); \
185 	func(has_cdclk_squash); \
186 	func(has_ddi); \
187 	func(has_dp_mst); \
188 	func(has_dsb); \
189 	func(has_fpga_dbg); \
190 	func(has_gmch); \
191 	func(has_hotplug); \
192 	func(has_hti); \
193 	func(has_ipc); \
194 	func(has_modular_fia); \
195 	func(has_overlay); \
196 	func(has_psr); \
197 	func(has_psr_hw_tracking); \
198 	func(overlay_needs_physical); \
199 	func(supports_tv);
200 
201 struct intel_ip_version {
202 	u8 ver;
203 	u8 rel;
204 	u8 step;
205 };
206 
207 struct intel_runtime_info {
208 	/*
209 	 * Single "graphics" IP version that represents
210 	 * render, compute and copy behavior.
211 	 */
212 	struct {
213 		struct intel_ip_version ip;
214 	} graphics;
215 	struct {
216 		struct intel_ip_version ip;
217 	} media;
218 	struct {
219 		struct intel_ip_version ip;
220 	} display;
221 
222 	/*
223 	 * Platform mask is used for optimizing or-ed IS_PLATFORM calls into
224 	 * single runtime conditionals, and also to provide groundwork for
225 	 * future per platform, or per SKU build optimizations.
226 	 *
227 	 * Array can be extended when necessary if the corresponding
228 	 * BUILD_BUG_ON is hit.
229 	 */
230 	u32 platform_mask[2];
231 
232 	u16 device_id;
233 
234 	intel_engine_mask_t platform_engine_mask; /* Engines supported by the HW */
235 
236 	u32 rawclk_freq;
237 
238 	struct intel_step_info step;
239 
240 	unsigned int page_sizes; /* page sizes supported by the HW */
241 
242 	enum intel_ppgtt_type ppgtt_type;
243 	unsigned int ppgtt_size; /* log2, e.g. 31/32/48 bits */
244 
245 	u32 memory_regions; /* regions supported by the HW */
246 
247 	bool has_pooled_eu;
248 
249 	/* display */
250 	struct {
251 		u8 pipe_mask;
252 		u8 cpu_transcoder_mask;
253 
254 		u8 num_sprites[I915_MAX_PIPES];
255 		u8 num_scalers[I915_MAX_PIPES];
256 
257 		u8 fbc_mask;
258 
259 		bool has_hdcp;
260 		bool has_dmc;
261 		bool has_dsc;
262 	};
263 };
264 
265 struct intel_device_info {
266 	enum intel_platform platform;
267 
268 	unsigned int dma_mask_size; /* available DMA address bits */
269 
270 	const struct intel_gt_definition *extra_gt_list;
271 
272 	u8 gt; /* GT number, 0 if undefined */
273 
274 #define DEFINE_FLAG(name) u8 name:1
275 	DEV_INFO_FOR_EACH_FLAG(DEFINE_FLAG);
276 #undef DEFINE_FLAG
277 
278 	struct {
279 		u8 abox_mask;
280 
281 		struct {
282 			u16 size; /* in blocks */
283 			u8 slice_mask;
284 		} dbuf;
285 
286 #define DEFINE_FLAG(name) u8 name:1
287 		DEV_INFO_DISPLAY_FOR_EACH_FLAG(DEFINE_FLAG);
288 #undef DEFINE_FLAG
289 
290 		/* Global register offset for the display engine */
291 		u32 mmio_offset;
292 
293 		/* Register offsets for the various display pipes and transcoders */
294 		u32 pipe_offsets[I915_MAX_TRANSCODERS];
295 		u32 trans_offsets[I915_MAX_TRANSCODERS];
296 		u32 cursor_offsets[I915_MAX_PIPES];
297 
298 		struct {
299 			u32 degamma_lut_size;
300 			u32 gamma_lut_size;
301 			u32 degamma_lut_tests;
302 			u32 gamma_lut_tests;
303 		} color;
304 	} display;
305 
306 	/*
307 	 * Initial runtime info. Do not access outside of i915_driver_create().
308 	 */
309 	const struct intel_runtime_info __runtime;
310 };
311 
312 struct intel_driver_caps {
313 	unsigned int scheduler;
314 	bool has_logical_contexts:1;
315 };
316 
317 const char *intel_platform_name(enum intel_platform platform);
318 
319 void intel_device_info_runtime_init_early(struct drm_i915_private *dev_priv);
320 void intel_device_info_runtime_init(struct drm_i915_private *dev_priv);
321 
322 void intel_device_info_print(const struct intel_device_info *info,
323 			     const struct intel_runtime_info *runtime,
324 			     struct drm_printer *p);
325 
326 void intel_driver_caps_print(const struct intel_driver_caps *caps,
327 			     struct drm_printer *p);
328 
329 #endif
330