1 /*        $NetBSD: intel_device_info.h,v 1.2 2021/12/18 23:45:28 riastradh Exp $          */
2 
3 /*
4  * Copyright © 2014-2017 Intel Corporation
5  *
6  * Permission is hereby granted, free of charge, to any person obtaining a
7  * copy of this software and associated documentation files (the "Software"),
8  * to deal in the Software without restriction, including without limitation
9  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
10  * and/or sell copies of the Software, and to permit persons to whom the
11  * Software is furnished to do so, subject to the following conditions:
12  *
13  * The above copyright notice and this permission notice (including the next
14  * paragraph) shall be included in all copies or substantial portions of the
15  * Software.
16  *
17  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
18  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
19  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
20  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
21  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
22  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
23  * IN THE SOFTWARE.
24  *
25  */
26 
27 #ifndef _INTEL_DEVICE_INFO_H_
28 #define _INTEL_DEVICE_INFO_H_
29 
30 #include <uapi/drm/i915_drm.h>
31 
32 #include "display/intel_display.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 
41 /* Keep in gen based order, and chronological order within a gen */
42 enum intel_platform {
43           INTEL_PLATFORM_UNINITIALIZED = 0,
44           /* gen2 */
45           INTEL_I830,
46           INTEL_I845G,
47           INTEL_I85X,
48           INTEL_I865G,
49           /* gen3 */
50           INTEL_I915G,
51           INTEL_I915GM,
52           INTEL_I945G,
53           INTEL_I945GM,
54           INTEL_G33,
55           INTEL_PINEVIEW,
56           /* gen4 */
57           INTEL_I965G,
58           INTEL_I965GM,
59           INTEL_G45,
60           INTEL_GM45,
61           /* gen5 */
62           INTEL_IRONLAKE,
63           /* gen6 */
64           INTEL_SANDYBRIDGE,
65           /* gen7 */
66           INTEL_IVYBRIDGE,
67           INTEL_VALLEYVIEW,
68           INTEL_HASWELL,
69           /* gen8 */
70           INTEL_BROADWELL,
71           INTEL_CHERRYVIEW,
72           /* gen9 */
73           INTEL_SKYLAKE,
74           INTEL_BROXTON,
75           INTEL_KABYLAKE,
76           INTEL_GEMINILAKE,
77           INTEL_COFFEELAKE,
78           /* gen10 */
79           INTEL_CANNONLAKE,
80           /* gen11 */
81           INTEL_ICELAKE,
82           INTEL_ELKHARTLAKE,
83           /* gen12 */
84           INTEL_TIGERLAKE,
85           INTEL_MAX_PLATFORMS
86 };
87 
88 /*
89  * Subplatform bits share the same namespace per parent platform. In other words
90  * it is fine for the same bit to be used on multiple parent platforms.
91  */
92 
93 #define INTEL_SUBPLATFORM_BITS (3)
94 
95 /* HSW/BDW/SKL/KBL/CFL */
96 #define INTEL_SUBPLATFORM_ULT (0)
97 #define INTEL_SUBPLATFORM_ULX (1)
98 
99 /* CNL/ICL */
100 #define INTEL_SUBPLATFORM_PORTF         (0)
101 
102 enum intel_ppgtt_type {
103           INTEL_PPGTT_NONE = I915_GEM_PPGTT_NONE,
104           INTEL_PPGTT_ALIASING = I915_GEM_PPGTT_ALIASING,
105           INTEL_PPGTT_FULL = I915_GEM_PPGTT_FULL,
106 };
107 
108 #define DEV_INFO_FOR_EACH_FLAG(func) \
109           func(is_mobile); \
110           func(is_lp); \
111           func(require_force_probe); \
112           func(is_dgfx); \
113           /* Keep has_* in alphabetical order */ \
114           func(has_64bit_reloc); \
115           func(gpu_reset_clobbers_display); \
116           func(has_reset_engine); \
117           func(has_fpga_dbg); \
118           func(has_global_mocs); \
119           func(has_gt_uc); \
120           func(has_l3_dpf); \
121           func(has_llc); \
122           func(has_logical_ring_contexts); \
123           func(has_logical_ring_elsq); \
124           func(has_logical_ring_preemption); \
125           func(has_pooled_eu); \
126           func(has_rc6); \
127           func(has_rc6p); \
128           func(has_rps); \
129           func(has_runtime_pm); \
130           func(has_snoop); \
131           func(has_coherent_ggtt); \
132           func(unfenced_needs_alignment); \
133           func(hws_needs_physical);
134 
135 #define DEV_INFO_DISPLAY_FOR_EACH_FLAG(func) \
136           /* Keep in alphabetical order */ \
137           func(cursor_needs_physical); \
138           func(has_csr); \
139           func(has_ddi); \
140           func(has_dp_mst); \
141           func(has_dsb); \
142           func(has_dsc); \
143           func(has_fbc); \
144           func(has_gmch); \
145           func(has_hdcp); \
146           func(has_hotplug); \
147           func(has_ipc); \
148           func(has_modular_fia); \
149           func(has_overlay); \
150           func(has_psr); \
151           func(overlay_needs_physical); \
152           func(supports_tv);
153 
154 struct intel_device_info {
155           u16 gen_mask;
156 
157           u8 gen;
158           u8 gt; /* GT number, 0 if undefined */
159           intel_engine_mask_t engine_mask; /* Engines supported by the HW */
160 
161           enum intel_platform platform;
162 
163           enum intel_ppgtt_type ppgtt_type;
164           unsigned int ppgtt_size; /* log2, e.g. 31/32/48 bits */
165 
166           unsigned int page_sizes; /* page sizes supported by the HW */
167 
168           u32 memory_regions; /* regions supported by the HW */
169 
170           u32 display_mmio_offset;
171 
172           u8 pipe_mask;
173 
174 #define DEFINE_FLAG(name) u8 name:1
175           DEV_INFO_FOR_EACH_FLAG(DEFINE_FLAG);
176 #undef DEFINE_FLAG
177 
178           struct {
179 #define DEFINE_FLAG(name) u8 name:1
180                     DEV_INFO_DISPLAY_FOR_EACH_FLAG(DEFINE_FLAG);
181 #undef DEFINE_FLAG
182           } display;
183 
184           u16 ddb_size; /* in blocks */
185 
186           /* Register offsets for the various display pipes and transcoders */
187           int pipe_offsets[I915_MAX_TRANSCODERS];
188           int trans_offsets[I915_MAX_TRANSCODERS];
189           int cursor_offsets[I915_MAX_PIPES];
190 
191           struct color_luts {
192                     u32 degamma_lut_size;
193                     u32 gamma_lut_size;
194                     u32 degamma_lut_tests;
195                     u32 gamma_lut_tests;
196           } color;
197 };
198 
199 struct intel_runtime_info {
200           /*
201            * Platform mask is used for optimizing or-ed IS_PLATFORM calls into
202            * into single runtime conditionals, and also to provide groundwork
203            * for future per platform, or per SKU build optimizations.
204            *
205            * Array can be extended when necessary if the corresponding
206            * BUILD_BUG_ON is hit.
207            */
208           u32 platform_mask[2];
209 
210           u16 device_id;
211 
212           u8 num_sprites[I915_MAX_PIPES];
213           u8 num_scalers[I915_MAX_PIPES];
214 
215           u8 num_engines;
216 
217           /* Slice/subslice/EU info */
218           struct sseu_dev_info sseu;
219 
220           u32 cs_timestamp_frequency_khz;
221 
222           /* Media engine access to SFC per instance */
223           u8 vdbox_sfc_access;
224 };
225 
226 struct intel_driver_caps {
227           unsigned int scheduler;
228           bool has_logical_contexts:1;
229 };
230 
231 const char *intel_platform_name(enum intel_platform platform);
232 
233 void intel_device_info_subplatform_init(struct drm_i915_private *dev_priv);
234 void intel_device_info_runtime_init(struct drm_i915_private *dev_priv);
235 
236 void intel_device_info_print_static(const struct intel_device_info *info,
237                                             struct drm_printer *p);
238 void intel_device_info_print_runtime(const struct intel_runtime_info *info,
239                                              struct drm_printer *p);
240 void intel_device_info_print_topology(const struct sseu_dev_info *sseu,
241                                               struct drm_printer *p);
242 
243 void intel_device_info_init_mmio(struct drm_i915_private *dev_priv);
244 
245 void intel_driver_caps_print(const struct intel_driver_caps *caps,
246                                    struct drm_printer *p);
247 
248 #endif
249