drivers/gpu/drm/i915/intel_device_info.h

   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         func(is_dgfx); \
 111         /* Keep has_* in alphabetical order */ \
 112         func(has_64bit_reloc); \
 113         func(gpu_reset_clobbers_display); \
 114         func(has_reset_engine); \
 115         func(has_fpga_dbg); \
 116         func(has_global_mocs); \
 117         func(has_gt_uc); \
 118         func(has_l3_dpf); \
 119         func(has_llc); \
 120         func(has_logical_ring_contexts); \
 121         func(has_logical_ring_elsq); \
 122         func(has_logical_ring_preemption); \
 123         func(has_pooled_eu); \
 124         func(has_rc6); \
 125         func(has_rc6p); \
 126         func(has_rps); \
 127         func(has_runtime_pm); \
 128         func(has_snoop); \
 129         func(has_coherent_ggtt); \
 130         func(unfenced_needs_alignment); \
 131         func(hws_needs_physical);
 132
 133 #define DEV_INFO_DISPLAY_FOR_EACH_FLAG(func) \
 134         /* Keep in alphabetical order */ \
 135         func(cursor_needs_physical); \
 136         func(has_csr); \
 137         func(has_ddi); \
 138         func(has_dp_mst); \
 139         func(has_dsb); \
 140         func(has_dsc); \
 141         func(has_fbc); \
 142         func(has_gmch); \
 143         func(has_hdcp); \
 144         func(has_hotplug); \
 145         func(has_ipc); \
 146         func(has_modular_fia); \
 147         func(has_overlay); \
 148         func(has_psr); \
 149         func(overlay_needs_physical); \
 150         func(supports_tv);
 151
 152 struct intel_device_info {
 153         u16 gen_mask;
 154
 155         u8 gen;
 156         u8 gt; /* GT number, 0 if undefined */
 157         intel_engine_mask_t engine_mask; /* Engines supported by the HW */
 158
 159         enum intel_platform platform;
 160
 161         unsigned int dma_mask_size; /* available DMA address bits */
 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         u8 cpu_transcoder_mask;
 174
 175 #define DEFINE_FLAG(name) u8 name:1
 176         DEV_INFO_FOR_EACH_FLAG(DEFINE_FLAG);
 177 #undef DEFINE_FLAG
 178
 179         struct {
 180 #define DEFINE_FLAG(name) u8 name:1
 181                 DEV_INFO_DISPLAY_FOR_EACH_FLAG(DEFINE_FLAG);
 182 #undef DEFINE_FLAG
 183         } display;
 184
 185         u16 ddb_size; /* in blocks */
 186         u8 num_supported_dbuf_slices; /* number of DBuf slices */
 187
 188         /* Register offsets for the various display pipes and transcoders */
 189         int pipe_offsets[I915_MAX_TRANSCODERS];
 190         int trans_offsets[I915_MAX_TRANSCODERS];
 191         int cursor_offsets[I915_MAX_PIPES];
 192
 193         struct color_luts {
 194                 u32 degamma_lut_size;
 195                 u32 gamma_lut_size;
 196                 u32 degamma_lut_tests;
 197                 u32 gamma_lut_tests;
 198         } color;
 199 };
 200
 201 struct intel_runtime_info {
 202         /*
 203          * Platform mask is used for optimizing or-ed IS_PLATFORM calls into
 204          * into single runtime conditionals, and also to provide groundwork
 205          * for future per platform, or per SKU build optimizations.
 206          *
 207          * Array can be extended when necessary if the corresponding
 208          * BUILD_BUG_ON is hit.
 209          */
 210         u32 platform_mask[2];
 211
 212         u16 device_id;
 213
 214         u8 num_sprites[I915_MAX_PIPES];
 215         u8 num_scalers[I915_MAX_PIPES];
 216
 217         u8 num_engines;
 218
 219         /* Slice/subslice/EU info */
 220         struct sseu_dev_info sseu;
 221
 222         u32 rawclk_freq;
 223
 224         u32 cs_timestamp_frequency_khz;
 225         u32 cs_timestamp_period_ns;
 226
 227         /* Media engine access to SFC per instance */
 228         u8 vdbox_sfc_access;
 229 };
 230
 231 struct intel_driver_caps {
 232         unsigned int scheduler;
 233         bool has_logical_contexts:1;
 234 };
 235
 236 const char *intel_platform_name(enum intel_platform platform);
 237
 238 void intel_device_info_subplatform_init(struct drm_i915_private *dev_priv);
 239 void intel_device_info_runtime_init(struct drm_i915_private *dev_priv);
 240
 241 void intel_device_info_print_static(const struct intel_device_info *info,
 242                                     struct drm_printer *p);
 243 void intel_device_info_print_runtime(const struct intel_runtime_info *info,
 244                                      struct drm_printer *p);
 245 void intel_device_info_print_topology(const struct sseu_dev_info *sseu,
 246                                       struct drm_printer *p);
 247
 248 void intel_device_info_init_mmio(struct drm_i915_private *dev_priv);
 249
 250 void intel_driver_caps_print(const struct intel_driver_caps *caps,
 251                              struct drm_printer *p);
 252
 253 #endif