drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.h

   1 /*
   2  * Copyright 2014 Advanced Micro Devices, Inc.
   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 shall be included in
  12  * all copies or substantial portions of the Software.
  13  *
  14  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  15  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  16  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  17  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
  18  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
  19  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  20  * OTHER DEALINGS IN THE SOFTWARE.
  21  *
  22  */
  23
  24 #ifndef __AMDGPU_GFX_H__
  25 #define __AMDGPU_GFX_H__
  26
  27 /*
  28  * GFX stuff
  29  */
  30 #include "clearstate_defs.h"
  31 #include "amdgpu_ring.h"
  32 #include "amdgpu_rlc.h"
  33
  34 /* GFX current status */
  35 #define AMDGPU_GFX_NORMAL_MODE                  0x00000000L
  36 #define AMDGPU_GFX_SAFE_MODE                    0x00000001L
  37 #define AMDGPU_GFX_PG_DISABLED_MODE             0x00000002L
  38 #define AMDGPU_GFX_CG_DISABLED_MODE             0x00000004L
  39 #define AMDGPU_GFX_LBPW_DISABLED_MODE           0x00000008L
  40
  41 #define AMDGPU_MAX_GFX_QUEUES KGD_MAX_QUEUES
  42 #define AMDGPU_MAX_COMPUTE_QUEUES KGD_MAX_QUEUES
  43
  44 struct amdgpu_mec {
  45         struct amdgpu_bo        *hpd_eop_obj;
  46         u64                     hpd_eop_gpu_addr;
  47         struct amdgpu_bo        *mec_fw_obj;
  48         u64                     mec_fw_gpu_addr;
  49         u32 num_mec;
  50         u32 num_pipe_per_mec;
  51         u32 num_queue_per_pipe;
  52         void                    *mqd_backup[AMDGPU_MAX_COMPUTE_RINGS + 1];
  53
  54         /* These are the resources for which amdgpu takes ownership */
  55         DECLARE_BITMAP(queue_bitmap, AMDGPU_MAX_COMPUTE_QUEUES);
  56 };
  57
  58 enum amdgpu_unmap_queues_action {
  59         PREEMPT_QUEUES = 0,
  60         RESET_QUEUES,
  61         DISABLE_PROCESS_QUEUES,
  62         PREEMPT_QUEUES_NO_UNMAP,
  63 };
  64
  65 struct kiq_pm4_funcs {
  66         /* Support ASIC-specific kiq pm4 packets*/
  67         void (*kiq_set_resources)(struct amdgpu_ring *kiq_ring,
  68                                         uint64_t queue_mask);
  69         void (*kiq_map_queues)(struct amdgpu_ring *kiq_ring,
  70                                         struct amdgpu_ring *ring);
  71         void (*kiq_unmap_queues)(struct amdgpu_ring *kiq_ring,
  72                                  struct amdgpu_ring *ring,
  73                                  enum amdgpu_unmap_queues_action action,
  74                                  u64 gpu_addr, u64 seq);
  75         void (*kiq_query_status)(struct amdgpu_ring *kiq_ring,
  76                                         struct amdgpu_ring *ring,
  77                                         u64 addr,
  78                                         u64 seq);
  79         /* Packet sizes */
  80         int set_resources_size;
  81         int map_queues_size;
  82         int unmap_queues_size;
  83         int query_status_size;
  84 };
  85
  86 struct amdgpu_kiq {
  87         u64                     eop_gpu_addr;
  88         struct amdgpu_bo        *eop_obj;
  89         spinlock_t              ring_lock;
  90         struct amdgpu_ring      ring;
  91         struct amdgpu_irq_src   irq;
  92         const struct kiq_pm4_funcs *pmf;
  93 };
  94
  95 /*
  96  * GPU scratch registers structures, functions & helpers
  97  */
  98 struct amdgpu_scratch {
  99         unsigned                num_reg;
 100         uint32_t                reg_base;
 101         uint32_t                free_mask;
 102 };
 103
 104 /*
 105  * GFX configurations
 106  */
 107 #define AMDGPU_GFX_MAX_SE 4
 108 #define AMDGPU_GFX_MAX_SH_PER_SE 2
 109
 110 struct amdgpu_rb_config {
 111         uint32_t rb_backend_disable;
 112         uint32_t user_rb_backend_disable;
 113         uint32_t raster_config;
 114         uint32_t raster_config_1;
 115 };
 116
 117 struct gb_addr_config {
 118         uint16_t pipe_interleave_size;
 119         uint8_t num_pipes;
 120         uint8_t max_compress_frags;
 121         uint8_t num_banks;
 122         uint8_t num_se;
 123         uint8_t num_rb_per_se;
 124 };
 125
 126 struct amdgpu_gfx_config {
 127         unsigned max_shader_engines;
 128         unsigned max_tile_pipes;
 129         unsigned max_cu_per_sh;
 130         unsigned max_sh_per_se;
 131         unsigned max_backends_per_se;
 132         unsigned max_texture_channel_caches;
 133         unsigned max_gprs;
 134         unsigned max_gs_threads;
 135         unsigned max_hw_contexts;
 136         unsigned sc_prim_fifo_size_frontend;
 137         unsigned sc_prim_fifo_size_backend;
 138         unsigned sc_hiz_tile_fifo_size;
 139         unsigned sc_earlyz_tile_fifo_size;
 140
 141         unsigned num_tile_pipes;
 142         unsigned backend_enable_mask;
 143         unsigned mem_max_burst_length_bytes;
 144         unsigned mem_row_size_in_kb;
 145         unsigned shader_engine_tile_size;
 146         unsigned num_gpus;
 147         unsigned multi_gpu_tile_size;
 148         unsigned mc_arb_ramcfg;
 149         unsigned gb_addr_config;
 150         unsigned num_rbs;
 151         unsigned gs_vgt_table_depth;
 152         unsigned gs_prim_buffer_depth;
 153
 154         uint32_t tile_mode_array[32];
 155         uint32_t macrotile_mode_array[16];
 156
 157         struct gb_addr_config gb_addr_config_fields;
 158         struct amdgpu_rb_config rb_config[AMDGPU_GFX_MAX_SE][AMDGPU_GFX_MAX_SH_PER_SE];
 159
 160         /* gfx configure feature */
 161         uint32_t double_offchip_lds_buf;
 162         /* cached value of DB_DEBUG2 */
 163         uint32_t db_debug2;
 164         /* gfx10 specific config */
 165         uint32_t num_sc_per_sh;
 166         uint32_t num_packer_per_sc;
 167         uint32_t pa_sc_tile_steering_override;
 168 };
 169
 170 struct amdgpu_cu_info {
 171         uint32_t simd_per_cu;
 172         uint32_t max_waves_per_simd;
 173         uint32_t wave_front_size;
 174         uint32_t max_scratch_slots_per_cu;
 175         uint32_t lds_size;
 176
 177         /* total active CU number */
 178         uint32_t number;
 179         uint32_t ao_cu_mask;
 180         uint32_t ao_cu_bitmap[4][4];
 181         uint32_t bitmap[4][4];
 182 };
 183
 184 struct amdgpu_gfx_funcs {
 185         /* get the gpu clock counter */
 186         uint64_t (*get_gpu_clock_counter)(struct amdgpu_device *adev);
 187         void (*select_se_sh)(struct amdgpu_device *adev, u32 se_num,
 188                              u32 sh_num, u32 instance);
 189         void (*read_wave_data)(struct amdgpu_device *adev, uint32_t simd,
 190                                uint32_t wave, uint32_t *dst, int *no_fields);
 191         void (*read_wave_vgprs)(struct amdgpu_device *adev, uint32_t simd,
 192                                 uint32_t wave, uint32_t thread, uint32_t start,
 193                                 uint32_t size, uint32_t *dst);
 194         void (*read_wave_sgprs)(struct amdgpu_device *adev, uint32_t simd,
 195                                 uint32_t wave, uint32_t start, uint32_t size,
 196                                 uint32_t *dst);
 197         void (*select_me_pipe_q)(struct amdgpu_device *adev, u32 me, u32 pipe,
 198                                  u32 queue, u32 vmid);
 199 };
 200
 201 struct amdgpu_ngg_buf {
 202         struct amdgpu_bo        *bo;
 203         uint64_t                gpu_addr;
 204         uint32_t                size;
 205         uint32_t                bo_size;
 206 };
 207
 208 enum {
 209         NGG_PRIM = 0,
 210         NGG_POS,
 211         NGG_CNTL,
 212         NGG_PARAM,
 213         NGG_BUF_MAX
 214 };
 215
 216 struct amdgpu_ngg {
 217         struct amdgpu_ngg_buf   buf[NGG_BUF_MAX];
 218         uint32_t                gds_reserve_addr;
 219         uint32_t                gds_reserve_size;
 220         bool                    init;
 221 };
 222
 223 struct sq_work {
 224         struct work_struct      work;
 225         unsigned ih_data;
 226 };
 227
 228 struct amdgpu_pfp {
 229         struct amdgpu_bo                *pfp_fw_obj;
 230         uint64_t                        pfp_fw_gpu_addr;
 231         uint32_t                        *pfp_fw_ptr;
 232 };
 233
 234 struct amdgpu_ce {
 235         struct amdgpu_bo                *ce_fw_obj;
 236         uint64_t                        ce_fw_gpu_addr;
 237         uint32_t                        *ce_fw_ptr;
 238 };
 239
 240 struct amdgpu_me {
 241         struct amdgpu_bo                *me_fw_obj;
 242         uint64_t                        me_fw_gpu_addr;
 243         uint32_t                        *me_fw_ptr;
 244         uint32_t                        num_me;
 245         uint32_t                        num_pipe_per_me;
 246         uint32_t                        num_queue_per_pipe;
 247         void                            *mqd_backup[AMDGPU_MAX_GFX_RINGS + 1];
 248
 249         /* These are the resources for which amdgpu takes ownership */
 250         DECLARE_BITMAP(queue_bitmap, AMDGPU_MAX_GFX_QUEUES);
 251 };
 252
 253 struct amdgpu_gfx {
 254         struct mutex                    gpu_clock_mutex;
 255         struct amdgpu_gfx_config        config;
 256         struct amdgpu_rlc               rlc;
 257         struct amdgpu_pfp               pfp;
 258         struct amdgpu_ce                ce;
 259         struct amdgpu_me                me;
 260         struct amdgpu_mec               mec;
 261         struct amdgpu_kiq               kiq;
 262         struct amdgpu_scratch           scratch;
 263         const struct firmware           *me_fw; /* ME firmware */
 264         uint32_t                        me_fw_version;
 265         const struct firmware           *pfp_fw; /* PFP firmware */
 266         uint32_t                        pfp_fw_version;
 267         const struct firmware           *ce_fw; /* CE firmware */
 268         uint32_t                        ce_fw_version;
 269         const struct firmware           *rlc_fw; /* RLC firmware */
 270         uint32_t                        rlc_fw_version;
 271         const struct firmware           *mec_fw; /* MEC firmware */
 272         uint32_t                        mec_fw_version;
 273         const struct firmware           *mec2_fw; /* MEC2 firmware */
 274         uint32_t                        mec2_fw_version;
 275         uint32_t                        me_feature_version;
 276         uint32_t                        ce_feature_version;
 277         uint32_t                        pfp_feature_version;
 278         uint32_t                        rlc_feature_version;
 279         uint32_t                        rlc_srlc_fw_version;
 280         uint32_t                        rlc_srlc_feature_version;
 281         uint32_t                        rlc_srlg_fw_version;
 282         uint32_t                        rlc_srlg_feature_version;
 283         uint32_t                        rlc_srls_fw_version;
 284         uint32_t                        rlc_srls_feature_version;
 285         uint32_t                        mec_feature_version;
 286         uint32_t                        mec2_feature_version;
 287         bool                            mec_fw_write_wait;
 288         bool                            me_fw_write_wait;
 289         struct amdgpu_ring              gfx_ring[AMDGPU_MAX_GFX_RINGS];
 290         unsigned                        num_gfx_rings;
 291         struct amdgpu_ring              compute_ring[AMDGPU_MAX_COMPUTE_RINGS];
 292         unsigned                        num_compute_rings;
 293         struct amdgpu_irq_src           eop_irq;
 294         struct amdgpu_irq_src           priv_reg_irq;
 295         struct amdgpu_irq_src           priv_inst_irq;
 296         struct amdgpu_irq_src           cp_ecc_error_irq;
 297         struct amdgpu_irq_src           sq_irq;
 298         struct sq_work                  sq_work;
 299
 300         /* gfx status */
 301         uint32_t                        gfx_current_status;
 302         /* ce ram size*/
 303         unsigned                        ce_ram_size;
 304         struct amdgpu_cu_info           cu_info;
 305         const struct amdgpu_gfx_funcs   *funcs;
 306
 307         /* reset mask */
 308         uint32_t                        grbm_soft_reset;
 309         uint32_t                        srbm_soft_reset;
 310
 311         /* NGG */
 312         struct amdgpu_ngg               ngg;
 313
 314         /* gfx off */
 315         bool                            gfx_off_state; /* true: enabled, false: disabled */
 316         struct mutex                    gfx_off_mutex;
 317         uint32_t                        gfx_off_req_count; /* default 1, enable gfx off: dec 1, disable gfx off: add 1 */
 318         struct delayed_work             gfx_off_delay_work;
 319
 320         /* pipe reservation */
 321         struct mutex                    pipe_reserve_mutex;
 322         DECLARE_BITMAP                  (pipe_reserve_bitmap, AMDGPU_MAX_COMPUTE_QUEUES);
 323
 324         /*ras */
 325         struct ras_common_if            *ras_if;
 326 };
 327
 328 #define amdgpu_gfx_get_gpu_clock_counter(adev) (adev)->gfx.funcs->get_gpu_clock_counter((adev))
 329 #define amdgpu_gfx_select_se_sh(adev, se, sh, instance) (adev)->gfx.funcs->select_se_sh((adev), (se), (sh), (instance))
 330 #define amdgpu_gfx_select_me_pipe_q(adev, me, pipe, q, vmid) (adev)->gfx.funcs->select_me_pipe_q((adev), (me), (pipe), (q), (vmid))
 331
 332 /**
 333  * amdgpu_gfx_create_bitmask - create a bitmask
 334  *
 335  * @bit_width: length of the mask
 336  *
 337  * create a variable length bit mask.
 338  * Returns the bitmask.
 339  */
 340 static inline u32 amdgpu_gfx_create_bitmask(u32 bit_width)
 341 {
 342         return (u32)((1ULL << bit_width) - 1);
 343 }
 344
 345 int amdgpu_gfx_scratch_get(struct amdgpu_device *adev, uint32_t *reg);
 346 void amdgpu_gfx_scratch_free(struct amdgpu_device *adev, uint32_t reg);
 347
 348 void amdgpu_gfx_parse_disable_cu(unsigned *mask, unsigned max_se,
 349                                  unsigned max_sh);
 350
 351 int amdgpu_gfx_kiq_init_ring(struct amdgpu_device *adev,
 352                              struct amdgpu_ring *ring,
 353                              struct amdgpu_irq_src *irq);
 354
 355 void amdgpu_gfx_kiq_free_ring(struct amdgpu_ring *ring,
 356                               struct amdgpu_irq_src *irq);
 357
 358 void amdgpu_gfx_kiq_fini(struct amdgpu_device *adev);
 359 int amdgpu_gfx_kiq_init(struct amdgpu_device *adev,
 360                         unsigned hpd_size);
 361
 362 int amdgpu_gfx_mqd_sw_init(struct amdgpu_device *adev,
 363                            unsigned mqd_size);
 364 void amdgpu_gfx_mqd_sw_fini(struct amdgpu_device *adev);
 365 int amdgpu_gfx_disable_kcq(struct amdgpu_device *adev);
 366 int amdgpu_gfx_enable_kcq(struct amdgpu_device *adev);
 367
 368 void amdgpu_gfx_compute_queue_acquire(struct amdgpu_device *adev);
 369 void amdgpu_gfx_graphics_queue_acquire(struct amdgpu_device *adev);
 370
 371 int amdgpu_gfx_mec_queue_to_bit(struct amdgpu_device *adev, int mec,
 372                                 int pipe, int queue);
 373 void amdgpu_gfx_bit_to_mec_queue(struct amdgpu_device *adev, int bit,
 374                                  int *mec, int *pipe, int *queue);
 375 bool amdgpu_gfx_is_mec_queue_enabled(struct amdgpu_device *adev, int mec,
 376                                      int pipe, int queue);
 377 int amdgpu_gfx_me_queue_to_bit(struct amdgpu_device *adev, int me,
 378                                int pipe, int queue);
 379 void amdgpu_gfx_bit_to_me_queue(struct amdgpu_device *adev, int bit,
 380                                 int *me, int *pipe, int *queue);
 381 bool amdgpu_gfx_is_me_queue_enabled(struct amdgpu_device *adev, int me,
 382                                     int pipe, int queue);
 383 void amdgpu_gfx_off_ctrl(struct amdgpu_device *adev, bool enable);
 384
 385 #endif