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