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 
36 struct drm_printer;
37 struct drm_i915_private;
38 
39 /* Keep in gen based order, and chronological order within a gen */
40 enum 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 
100 enum 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 
148 struct 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 
191 struct 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 
218 struct intel_driver_caps {
219 	unsigned int scheduler;
220 	bool has_logical_contexts:1;
221 };
222 
223 const char *intel_platform_name(enum intel_platform platform);
224 
225 void intel_device_info_subplatform_init(struct drm_i915_private *dev_priv);
226 void intel_device_info_runtime_init(struct drm_i915_private *dev_priv);
227 void intel_device_info_dump_flags(const struct intel_device_info *info,
228 				  struct drm_printer *p);
229 void intel_device_info_dump_runtime(const struct intel_runtime_info *info,
230 				    struct drm_printer *p);
231 void intel_device_info_dump_topology(const struct sseu_dev_info *sseu,
232 				     struct drm_printer *p);
233 
234 void intel_device_info_init_mmio(struct drm_i915_private *dev_priv);
235 
236 void intel_driver_caps_print(const struct intel_driver_caps *caps,
237 			     struct drm_printer *p);
238 
239 #endif
240