Shrenuj Bansal | 4166540 | 2016-12-16 15:25:54 -0800 | [diff] [blame^] | 1 | /* Copyright (c) 2017, The Linux Foundation. All rights reserved. |
| 2 | * |
| 3 | * This program is free software; you can redistribute it and/or modify |
| 4 | * it under the terms of the GNU General Public License version 2 and |
| 5 | * only version 2 as published by the Free Software Foundation. |
| 6 | * |
| 7 | * This program is distributed in the hope that it will be useful, |
| 8 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 9 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 10 | * GNU General Public License for more details. |
| 11 | * |
| 12 | */ |
| 13 | |
| 14 | #include <linux/io.h> |
| 15 | #include "kgsl.h" |
| 16 | #include "adreno.h" |
| 17 | #include "kgsl_snapshot.h" |
| 18 | #include "adreno_snapshot.h" |
| 19 | #include "a6xx_reg.h" |
| 20 | #include "adreno_a6xx.h" |
| 21 | |
| 22 | |
| 23 | #define A6XX_NUM_CTXTS 2 |
| 24 | |
| 25 | static const unsigned int a6xx_gras_cluster[] = { |
| 26 | 0x8000, 0x8006, 0x8010, 0x8092, 0x8094, 0x809D, 0x80A0, 0x80A6, |
| 27 | 0x80AF, 0x80F1, 0x8100, 0x8107, 0x8109, 0x8109, 0x8110, 0x8110, |
| 28 | 0x8400, 0x840B, |
| 29 | }; |
| 30 | |
| 31 | static const unsigned int a6xx_ps_cluster[] = { |
| 32 | 0x8800, 0x8806, 0x8809, 0x8811, 0x8818, 0x881E, 0x8820, 0x8865, |
| 33 | 0x8870, 0x8879, 0x8880, 0x8889, 0x8890, 0x8891, 0x8898, 0x8898, |
| 34 | 0x88C0, 0x88c1, 0x88D0, 0x88E3, 0x88F0, 0x88F3, 0x8900, 0x891A, |
| 35 | 0x8927, 0x8928, 0x8C00, 0x8C01, 0x8C17, 0x8C33, 0x9200, 0x9216, |
| 36 | 0x9218, 0x9236, 0x9300, 0x9306, |
| 37 | }; |
| 38 | |
| 39 | static const unsigned int a6xx_fe_cluster[] = { |
| 40 | 0x9300, 0x9306, 0x9800, 0x9806, 0x9B00, 0x9B07, 0xA000, 0xA009, |
| 41 | 0xA00E, 0xA0EF, 0xA0F8, 0xA0F8, |
| 42 | }; |
| 43 | |
| 44 | static const unsigned int a6xx_pc_vs_cluster[] = { |
| 45 | 0x9100, 0x9108, 0x9300, 0x9306, 0x9980, 0x9981, 0x9B00, 0x9B07, |
| 46 | }; |
| 47 | |
| 48 | static struct a6xx_cluster_registers { |
| 49 | unsigned int id; |
| 50 | const unsigned int *regs; |
| 51 | unsigned int num_sets; |
| 52 | unsigned int offset0; |
| 53 | unsigned int offset1; |
| 54 | } a6xx_clusters[] = { |
| 55 | { CP_CLUSTER_GRAS, a6xx_gras_cluster, ARRAY_SIZE(a6xx_gras_cluster)/2 }, |
| 56 | { CP_CLUSTER_PS, a6xx_ps_cluster, ARRAY_SIZE(a6xx_ps_cluster)/2 }, |
| 57 | { CP_CLUSTER_FE, a6xx_fe_cluster, ARRAY_SIZE(a6xx_fe_cluster)/2 }, |
| 58 | { CP_CLUSTER_PC_VS, a6xx_pc_vs_cluster, |
| 59 | ARRAY_SIZE(a6xx_pc_vs_cluster)/2 }, |
| 60 | }; |
| 61 | |
| 62 | struct a6xx_cluster_regs_info { |
| 63 | struct a6xx_cluster_registers *cluster; |
| 64 | unsigned int ctxt_id; |
| 65 | }; |
| 66 | |
| 67 | static const unsigned int a6xx_vbif_ver_20xxxxxx_registers[] = { |
| 68 | /* VBIF */ |
| 69 | 0x3000, 0x3007, 0x300C, 0x3014, 0x3018, 0x302D, 0x3030, 0x3031, |
| 70 | 0x3034, 0x3036, 0x303C, 0x303D, 0x3040, 0x3040, 0x3042, 0x3042, |
| 71 | 0x3049, 0x3049, 0x3058, 0x3058, 0x305A, 0x3061, 0x3064, 0x3068, |
| 72 | 0x306C, 0x306D, 0x3080, 0x3088, 0x308B, 0x308C, 0x3090, 0x3094, |
| 73 | 0x3098, 0x3098, 0x309C, 0x309C, 0x30C0, 0x30C0, 0x30C8, 0x30C8, |
| 74 | 0x30D0, 0x30D0, 0x30D8, 0x30D8, 0x30E0, 0x30E0, 0x3100, 0x3100, |
| 75 | 0x3108, 0x3108, 0x3110, 0x3110, 0x3118, 0x3118, 0x3120, 0x3120, |
| 76 | 0x3124, 0x3125, 0x3129, 0x3129, 0x3131, 0x3131, 0x3154, 0x3154, |
| 77 | 0x3156, 0x3156, 0x3158, 0x3158, 0x315A, 0x315A, 0x315C, 0x315C, |
| 78 | 0x315E, 0x315E, 0x3160, 0x3160, 0x3162, 0x3162, 0x340C, 0x340C, |
| 79 | 0x3410, 0x3410, 0x3800, 0x3801, |
| 80 | }; |
| 81 | |
| 82 | static const struct adreno_vbif_snapshot_registers |
| 83 | a6xx_vbif_snapshot_registers[] = { |
| 84 | { 0x20040000, 0xFF000000, a6xx_vbif_ver_20xxxxxx_registers, |
| 85 | ARRAY_SIZE(a6xx_vbif_ver_20xxxxxx_registers)/2}, |
| 86 | }; |
| 87 | |
| 88 | /* |
| 89 | * Set of registers to dump for A6XX on snapshot. |
| 90 | * Registers in pairs - first value is the start offset, second |
| 91 | * is the stop offset (inclusive) |
| 92 | */ |
| 93 | |
| 94 | static const unsigned int a6xx_registers[] = { |
| 95 | /* RBBM */ |
| 96 | 0x0000, 0x0002, 0x0010, 0x0010, 0x0012, 0x0012, 0x0014, 0x0014, |
| 97 | 0x0018, 0x001B, 0x001e, 0x0032, 0x0038, 0x003C, 0x0042, 0x0042, |
| 98 | 0x0044, 0x0044, 0x0047, 0x0047, 0x0056, 0x0056, 0x00AD, 0x00AE, |
| 99 | 0x00B0, 0x00FB, 0x0100, 0x011D, 0x0200, 0x020D, 0x0210, 0x0213, |
| 100 | 0x0218, 0x023D, 0x0400, 0x04F9, 0x0500, 0x0500, 0x0505, 0x050B, |
| 101 | 0x050E, 0x0511, 0x0533, 0x0533, 0x0540, 0x0555, |
| 102 | /* CP */ |
| 103 | 0x0800, 0x0808, 0x0810, 0x0813, 0x0820, 0x0821, 0x0823, 0x0827, |
| 104 | 0x0830, 0x0833, 0x0840, 0x0843, 0x084F, 0x086F, 0x0880, 0x088A, |
| 105 | 0x08A0, 0x08AB, 0x08C0, 0x08C4, 0x08D0, 0x08DD, 0x08F0, 0x08F3, |
| 106 | 0x0900, 0x0903, 0x0908, 0x0911, 0x0928, 0x093E, 0x0942, 0x094D, |
| 107 | 0x0980, 0x0984, 0x098D, 0x0996, 0x0998, 0x099E, 0x09A0, 0x09A6, |
| 108 | 0x09A8, 0x09AE, 0x09B0, 0x09B1, 0x09C2, 0x09C8, 0x0A00, 0x0A03, |
| 109 | /* VSC */ |
| 110 | 0x0C00, 0x0C04, 0x0C06, 0x0C06, 0x0C10, 0x0CD9, 0x0E00, 0x0E0E, |
| 111 | /* UCHE */ |
| 112 | 0x0E10, 0x0E13, 0x0E17, 0x0E19, 0x0E1C, 0x0E2B, 0x0E30, 0x0E32, |
| 113 | 0x0E38, 0x0E39, |
| 114 | /* GRAS */ |
| 115 | 0x8600, 0x8601, 0x8604, 0x8605, 0x8610, 0x861B, 0x8620, 0x8620, |
| 116 | 0x8628, 0x862B, 0x8630, 0x8637, |
| 117 | /* RB */ |
| 118 | 0x8E01, 0x8E01, 0x8E04, 0x8E05, 0x8E07, 0x8E08, 0x8E0C, 0x8E0C, |
| 119 | 0x8E10, 0x8E1C, 0x8E20, 0x8E25, 0x8E28, 0x8E28, 0x8E2C, 0x8E2F, |
| 120 | 0x8E3B, 0x8E3E, 0x8E40, 0x8E43, 0x8E50, 0x8E5E, 0x8E70, 0x8E77, |
| 121 | /* VPC */ |
| 122 | 0x9600, 0x9604, 0x9624, 0x9637, |
| 123 | /* PC */ |
| 124 | 0x9E00, 0x9E01, 0x9E03, 0x9E0E, 0x9E11, 0x9E16, 0x9E19, 0x9E19, |
| 125 | 0x9E1C, 0x9E1C, 0x9E20, 0x9E23, 0x9E30, 0x9E31, 0x9E34, 0x9E34, |
| 126 | 0x9E70, 0x9E72, 0x9E78, 0x9E79, 0x9E80, 0x9FFF, |
| 127 | /* VFD */ |
| 128 | 0xA600, 0xA601, 0xA603, 0xA603, 0xA60A, 0xA60A, 0xA610, 0xA617, |
| 129 | 0xA630, 0xA630, 0xD200, 0xD263, |
| 130 | }; |
| 131 | |
| 132 | |
| 133 | static struct kgsl_memdesc a6xx_capturescript; |
| 134 | static struct kgsl_memdesc a6xx_crashdump_registers; |
| 135 | static bool crash_dump_valid; |
| 136 | |
| 137 | static size_t a6xx_legacy_snapshot_registers(struct kgsl_device *device, |
| 138 | u8 *buf, size_t remain) |
| 139 | { |
| 140 | struct kgsl_snapshot_registers regs = { |
| 141 | .regs = a6xx_registers, |
| 142 | .count = ARRAY_SIZE(a6xx_registers) / 2, |
| 143 | }; |
| 144 | |
| 145 | return kgsl_snapshot_dump_registers(device, buf, remain, ®s); |
| 146 | } |
| 147 | |
| 148 | static struct cdregs { |
| 149 | const unsigned int *regs; |
| 150 | unsigned int size; |
| 151 | } _a6xx_cd_registers[] = { |
| 152 | { a6xx_registers, ARRAY_SIZE(a6xx_registers) }, |
| 153 | }; |
| 154 | |
| 155 | #define REG_PAIR_COUNT(_a, _i) \ |
| 156 | (((_a)[(2 * (_i)) + 1] - (_a)[2 * (_i)]) + 1) |
| 157 | |
| 158 | static size_t a6xx_snapshot_registers(struct kgsl_device *device, u8 *buf, |
| 159 | size_t remain, void *priv) |
| 160 | { |
| 161 | struct kgsl_snapshot_regs *header = (struct kgsl_snapshot_regs *)buf; |
| 162 | unsigned int *data = (unsigned int *)(buf + sizeof(*header)); |
| 163 | unsigned int *src = (unsigned int *)a6xx_crashdump_registers.hostptr; |
| 164 | unsigned int i, j, k; |
| 165 | unsigned int count = 0; |
| 166 | |
| 167 | if (crash_dump_valid == false) |
| 168 | return a6xx_legacy_snapshot_registers(device, buf, remain); |
| 169 | |
| 170 | if (remain < sizeof(*header)) { |
| 171 | SNAPSHOT_ERR_NOMEM(device, "REGISTERS"); |
| 172 | return 0; |
| 173 | } |
| 174 | |
| 175 | remain -= sizeof(*header); |
| 176 | |
| 177 | for (i = 0; i < ARRAY_SIZE(_a6xx_cd_registers); i++) { |
| 178 | struct cdregs *regs = &_a6xx_cd_registers[i]; |
| 179 | |
| 180 | for (j = 0; j < regs->size / 2; j++) { |
| 181 | unsigned int start = regs->regs[2 * j]; |
| 182 | unsigned int end = regs->regs[(2 * j) + 1]; |
| 183 | |
| 184 | if (remain < ((end - start) + 1) * 8) { |
| 185 | SNAPSHOT_ERR_NOMEM(device, "REGISTERS"); |
| 186 | goto out; |
| 187 | } |
| 188 | |
| 189 | remain -= ((end - start) + 1) * 8; |
| 190 | |
| 191 | for (k = start; k <= end; k++, count++) { |
| 192 | *data++ = k; |
| 193 | *data++ = *src++; |
| 194 | } |
| 195 | } |
| 196 | } |
| 197 | |
| 198 | out: |
| 199 | header->count = count; |
| 200 | |
| 201 | /* Return the size of the section */ |
| 202 | return (count * 8) + sizeof(*header); |
| 203 | } |
| 204 | |
| 205 | static size_t a6xx_legacy_snapshot_mvc(struct kgsl_device *device, u8 *buf, |
| 206 | size_t remain, void *priv) |
| 207 | { |
| 208 | struct kgsl_snapshot_mvc_regs *header = |
| 209 | (struct kgsl_snapshot_mvc_regs *)buf; |
| 210 | struct a6xx_cluster_regs_info *info = |
| 211 | (struct a6xx_cluster_regs_info *)priv; |
| 212 | struct a6xx_cluster_registers *cur_cluster = info->cluster; |
| 213 | unsigned int *data = (unsigned int *)(buf + sizeof(*header)); |
| 214 | unsigned int ctxt = info->ctxt_id; |
| 215 | unsigned int start, end, i, j, aperture_cntl = 0; |
| 216 | unsigned int data_size = 0; |
| 217 | |
| 218 | if (remain < sizeof(*header)) { |
| 219 | SNAPSHOT_ERR_NOMEM(device, "MVC REGISTERS"); |
| 220 | return 0; |
| 221 | } |
| 222 | |
| 223 | remain -= sizeof(*header); |
| 224 | |
| 225 | header->ctxt_id = info->ctxt_id; |
| 226 | header->cluster_id = cur_cluster->id; |
| 227 | |
| 228 | /* |
| 229 | * Set the AHB control for the Host to read from the |
| 230 | * cluster/context for this iteration. |
| 231 | */ |
| 232 | aperture_cntl = ((cur_cluster->id & 0x7) << 8) | (ctxt << 4) | ctxt; |
| 233 | kgsl_regwrite(device, A6XX_CP_APERTURE_CNTL_HOST, aperture_cntl); |
| 234 | |
| 235 | for (i = 0; i < cur_cluster->num_sets; i++) { |
| 236 | start = cur_cluster->regs[2 * i]; |
| 237 | end = cur_cluster->regs[2 * i + 1]; |
| 238 | |
| 239 | if (remain < (end - start + 3) * 4) { |
| 240 | SNAPSHOT_ERR_NOMEM(device, "MVC REGISTERS"); |
| 241 | goto out; |
| 242 | } |
| 243 | |
| 244 | remain -= (end - start + 3) * 4; |
| 245 | data_size += (end - start + 3) * 4; |
| 246 | |
| 247 | *data++ = start | (1 << 31); |
| 248 | *data++ = end; |
| 249 | for (j = start; j <= end; j++) { |
| 250 | unsigned int val; |
| 251 | |
| 252 | kgsl_regread(device, j, &val); |
| 253 | *data++ = val; |
| 254 | } |
| 255 | } |
| 256 | out: |
| 257 | return data_size + sizeof(*header); |
| 258 | } |
| 259 | |
| 260 | static size_t a6xx_snapshot_mvc(struct kgsl_device *device, u8 *buf, |
| 261 | size_t remain, void *priv) |
| 262 | { |
| 263 | struct kgsl_snapshot_mvc_regs *header = |
| 264 | (struct kgsl_snapshot_mvc_regs *)buf; |
| 265 | struct a6xx_cluster_regs_info *info = |
| 266 | (struct a6xx_cluster_regs_info *)priv; |
| 267 | struct a6xx_cluster_registers *cluster = info->cluster; |
| 268 | unsigned int *data = (unsigned int *)(buf + sizeof(*header)); |
| 269 | unsigned int *src; |
| 270 | int i, j; |
| 271 | unsigned int start, end; |
| 272 | size_t data_size = 0; |
| 273 | |
| 274 | if (crash_dump_valid == false) |
| 275 | return a6xx_legacy_snapshot_mvc(device, buf, remain, info); |
| 276 | |
| 277 | if (remain < sizeof(*header)) { |
| 278 | SNAPSHOT_ERR_NOMEM(device, "MVC REGISTERS"); |
| 279 | return 0; |
| 280 | } |
| 281 | |
| 282 | remain -= sizeof(*header); |
| 283 | |
| 284 | header->ctxt_id = info->ctxt_id; |
| 285 | header->cluster_id = cluster->id; |
| 286 | |
| 287 | src = (unsigned int *)(a6xx_crashdump_registers.hostptr + |
| 288 | (header->ctxt_id ? cluster->offset1 : cluster->offset0)); |
| 289 | |
| 290 | for (i = 0; i < cluster->num_sets; i++) { |
| 291 | start = cluster->regs[2 * i]; |
| 292 | end = cluster->regs[2 * i + 1]; |
| 293 | |
| 294 | if (remain < (end - start + 3) * 4) { |
| 295 | SNAPSHOT_ERR_NOMEM(device, "MVC REGISTERS"); |
| 296 | goto out; |
| 297 | } |
| 298 | |
| 299 | remain -= (end - start + 3) * 4; |
| 300 | data_size += (end - start + 3) * 4; |
| 301 | |
| 302 | *data++ = start | (1 << 31); |
| 303 | *data++ = end; |
| 304 | for (j = start; j <= end; j++) |
| 305 | *data++ = *src++; |
| 306 | } |
| 307 | |
| 308 | out: |
| 309 | return data_size + sizeof(*header); |
| 310 | |
| 311 | } |
| 312 | |
| 313 | static void a6xx_snapshot_mvc_regs(struct kgsl_device *device, |
| 314 | struct kgsl_snapshot *snapshot) |
| 315 | { |
| 316 | int i, j; |
| 317 | struct a6xx_cluster_regs_info info; |
| 318 | |
| 319 | for (i = 0; i < ARRAY_SIZE(a6xx_clusters); i++) { |
| 320 | struct a6xx_cluster_registers *cluster = &a6xx_clusters[i]; |
| 321 | |
| 322 | info.cluster = cluster; |
| 323 | for (j = 0; j < A6XX_NUM_CTXTS; j++) { |
| 324 | info.ctxt_id = j; |
| 325 | |
| 326 | kgsl_snapshot_add_section(device, |
| 327 | KGSL_SNAPSHOT_SECTION_MVC, snapshot, |
| 328 | a6xx_snapshot_mvc, &info); |
| 329 | } |
| 330 | } |
| 331 | } |
| 332 | |
| 333 | static void _a6xx_do_crashdump(struct kgsl_device *device) |
| 334 | { |
| 335 | unsigned long wait_time; |
| 336 | unsigned int reg = 0; |
| 337 | unsigned int val; |
| 338 | |
| 339 | crash_dump_valid = false; |
| 340 | |
| 341 | if (a6xx_capturescript.gpuaddr == 0 || |
| 342 | a6xx_crashdump_registers.gpuaddr == 0) |
| 343 | return; |
| 344 | |
| 345 | /* IF the SMMU is stalled we cannot do a crash dump */ |
| 346 | kgsl_regread(device, A6XX_RBBM_STATUS3, &val); |
| 347 | if (val & BIT(24)) |
| 348 | return; |
| 349 | |
| 350 | /* Turn on APRIV so we can access the buffers */ |
| 351 | kgsl_regwrite(device, A6XX_CP_MISC_CNTL, 1); |
| 352 | |
| 353 | kgsl_regwrite(device, A6XX_CP_CRASH_SCRIPT_BASE_LO, |
| 354 | lower_32_bits(a6xx_capturescript.gpuaddr)); |
| 355 | kgsl_regwrite(device, A6XX_CP_CRASH_SCRIPT_BASE_HI, |
| 356 | upper_32_bits(a6xx_capturescript.gpuaddr)); |
| 357 | kgsl_regwrite(device, A6XX_CP_CRASH_DUMP_CNTL, 1); |
| 358 | |
| 359 | wait_time = jiffies + msecs_to_jiffies(CP_CRASH_DUMPER_TIMEOUT); |
| 360 | while (!time_after(jiffies, wait_time)) { |
| 361 | kgsl_regread(device, A6XX_CP_CRASH_DUMP_STATUS, ®); |
| 362 | if (reg & 0x2) |
| 363 | break; |
| 364 | cpu_relax(); |
| 365 | } |
| 366 | |
| 367 | kgsl_regwrite(device, A6XX_CP_MISC_CNTL, 0); |
| 368 | |
| 369 | if (!(reg & 0x2)) { |
| 370 | KGSL_CORE_ERR("Crash dump timed out: 0x%X\n", reg); |
| 371 | return; |
| 372 | } |
| 373 | |
| 374 | crash_dump_valid = true; |
| 375 | } |
| 376 | |
| 377 | /* |
| 378 | * a6xx_snapshot() - A6XX GPU snapshot function |
| 379 | * @adreno_dev: Device being snapshotted |
| 380 | * @snapshot: Pointer to the snapshot instance |
| 381 | * |
| 382 | * This is where all of the A6XX specific bits and pieces are grabbed |
| 383 | * into the snapshot memory |
| 384 | */ |
| 385 | void a6xx_snapshot(struct adreno_device *adreno_dev, |
| 386 | struct kgsl_snapshot *snapshot) |
| 387 | { |
| 388 | struct kgsl_device *device = KGSL_DEVICE(adreno_dev); |
| 389 | struct adreno_gpudev *gpudev = ADRENO_GPU_DEVICE(adreno_dev); |
| 390 | struct adreno_snapshot_data *snap_data = gpudev->snapshot_data; |
| 391 | |
| 392 | /* Try to run the crash dumper */ |
| 393 | _a6xx_do_crashdump(device); |
| 394 | |
| 395 | kgsl_snapshot_add_section(device, KGSL_SNAPSHOT_SECTION_REGS, |
| 396 | snapshot, a6xx_snapshot_registers, NULL); |
| 397 | |
| 398 | adreno_snapshot_vbif_registers(device, snapshot, |
| 399 | a6xx_vbif_snapshot_registers, |
| 400 | ARRAY_SIZE(a6xx_vbif_snapshot_registers)); |
| 401 | |
| 402 | /* CP_SQE indexed registers */ |
| 403 | kgsl_snapshot_indexed_registers(device, snapshot, |
| 404 | A6XX_CP_SQE_STAT_ADDR, A6XX_CP_SQE_STAT_DATA, |
| 405 | 0, snap_data->sect_sizes->cp_pfp); |
| 406 | |
| 407 | /* CP_DRAW_STATE */ |
| 408 | kgsl_snapshot_indexed_registers(device, snapshot, |
| 409 | A6XX_CP_DRAW_STATE_ADDR, A6XX_CP_DRAW_STATE_DATA, |
| 410 | 0, 0x100); |
| 411 | |
| 412 | /* SQE_UCODE Cache */ |
| 413 | kgsl_snapshot_indexed_registers(device, snapshot, |
| 414 | A6XX_CP_SQE_UCODE_DBG_ADDR, A6XX_CP_SQE_UCODE_DBG_DATA, |
| 415 | 0, 0x6000); |
| 416 | |
| 417 | /* CP ROQ */ |
| 418 | kgsl_snapshot_add_section(device, KGSL_SNAPSHOT_SECTION_DEBUG, |
| 419 | snapshot, adreno_snapshot_cp_roq, |
| 420 | &snap_data->sect_sizes->roq); |
| 421 | |
| 422 | /* MVC register section */ |
| 423 | a6xx_snapshot_mvc_regs(device, snapshot); |
| 424 | |
| 425 | } |
| 426 | |
| 427 | static int _a6xx_crashdump_init_mvc(uint64_t *ptr, uint64_t *offset) |
| 428 | { |
| 429 | int qwords = 0; |
| 430 | unsigned int i, j, k; |
| 431 | unsigned int count; |
| 432 | |
| 433 | for (i = 0; i < ARRAY_SIZE(a6xx_clusters); i++) { |
| 434 | struct a6xx_cluster_registers *cluster = &a6xx_clusters[i]; |
| 435 | |
| 436 | cluster->offset0 = *offset; |
| 437 | for (j = 0; j < A6XX_NUM_CTXTS; j++) { |
| 438 | |
| 439 | if (j == 1) |
| 440 | cluster->offset1 = *offset; |
| 441 | |
| 442 | ptr[qwords++] = (cluster->id << 8) | (j << 4) | j; |
| 443 | ptr[qwords++] = |
| 444 | ((uint64_t)A6XX_CP_APERTURE_CNTL_HOST << 44) | |
| 445 | (1 << 21) | 1; |
| 446 | |
| 447 | for (k = 0; k < cluster->num_sets; k++) { |
| 448 | count = REG_PAIR_COUNT(cluster->regs, k); |
| 449 | ptr[qwords++] = |
| 450 | a6xx_crashdump_registers.gpuaddr + *offset; |
| 451 | ptr[qwords++] = |
| 452 | (((uint64_t)cluster->regs[2 * k]) << 44) | |
| 453 | count; |
| 454 | |
| 455 | *offset += count * sizeof(unsigned int); |
| 456 | } |
| 457 | } |
| 458 | } |
| 459 | |
| 460 | return qwords; |
| 461 | } |
| 462 | |
| 463 | void a6xx_crashdump_init(struct adreno_device *adreno_dev) |
| 464 | { |
| 465 | struct kgsl_device *device = KGSL_DEVICE(adreno_dev); |
| 466 | unsigned int script_size = 0; |
| 467 | unsigned int data_size = 0; |
| 468 | unsigned int i, j, k; |
| 469 | uint64_t *ptr; |
| 470 | uint64_t offset = 0; |
| 471 | |
| 472 | if (a6xx_capturescript.gpuaddr != 0 && |
| 473 | a6xx_crashdump_registers.gpuaddr != 0) |
| 474 | return; |
| 475 | |
| 476 | /* |
| 477 | * We need to allocate two buffers: |
| 478 | * 1 - the buffer to hold the draw script |
| 479 | * 2 - the buffer to hold the data |
| 480 | */ |
| 481 | |
| 482 | /* |
| 483 | * To save the registers, we need 16 bytes per register pair for the |
| 484 | * script and a dword for each register in the data |
| 485 | */ |
| 486 | for (i = 0; i < ARRAY_SIZE(_a6xx_cd_registers); i++) { |
| 487 | struct cdregs *regs = &_a6xx_cd_registers[i]; |
| 488 | |
| 489 | /* Each pair needs 16 bytes (2 qwords) */ |
| 490 | script_size += (regs->size / 2) * 16; |
| 491 | |
| 492 | /* Each register needs a dword in the data */ |
| 493 | for (j = 0; j < regs->size / 2; j++) |
| 494 | data_size += REG_PAIR_COUNT(regs->regs, j) * |
| 495 | sizeof(unsigned int); |
| 496 | |
| 497 | } |
| 498 | |
| 499 | /* Calculate the script and data size for MVC registers */ |
| 500 | for (i = 0; i < ARRAY_SIZE(a6xx_clusters); i++) { |
| 501 | struct a6xx_cluster_registers *cluster = &a6xx_clusters[i]; |
| 502 | |
| 503 | for (j = 0; j < A6XX_NUM_CTXTS; j++) { |
| 504 | |
| 505 | /* 16 bytes for programming the aperture */ |
| 506 | script_size += 16; |
| 507 | |
| 508 | /* Reading each pair of registers takes 16 bytes */ |
| 509 | script_size += 16 * cluster->num_sets; |
| 510 | |
| 511 | /* A dword per register read from the cluster list */ |
| 512 | for (k = 0; k < cluster->num_sets; k++) |
| 513 | data_size += REG_PAIR_COUNT(cluster->regs, k) * |
| 514 | sizeof(unsigned int); |
| 515 | } |
| 516 | } |
| 517 | |
| 518 | /* Now allocate the script and data buffers */ |
| 519 | |
| 520 | /* The script buffers needs 2 extra qwords on the end */ |
| 521 | if (kgsl_allocate_global(device, &a6xx_capturescript, |
| 522 | script_size + 16, KGSL_MEMFLAGS_GPUREADONLY, |
| 523 | KGSL_MEMDESC_PRIVILEGED, "capturescript")) |
| 524 | return; |
| 525 | |
| 526 | if (kgsl_allocate_global(device, &a6xx_crashdump_registers, data_size, |
| 527 | 0, KGSL_MEMDESC_PRIVILEGED, "capturescript_regs")) { |
| 528 | kgsl_free_global(KGSL_DEVICE(adreno_dev), &a6xx_capturescript); |
| 529 | return; |
| 530 | } |
| 531 | |
| 532 | /* Build the crash script */ |
| 533 | |
| 534 | ptr = (uint64_t *)a6xx_capturescript.hostptr; |
| 535 | |
| 536 | /* For the registers, program a read command for each pair */ |
| 537 | for (i = 0; i < ARRAY_SIZE(_a6xx_cd_registers); i++) { |
| 538 | struct cdregs *regs = &_a6xx_cd_registers[i]; |
| 539 | |
| 540 | for (j = 0; j < regs->size / 2; j++) { |
| 541 | unsigned int r = REG_PAIR_COUNT(regs->regs, j); |
| 542 | *ptr++ = a6xx_crashdump_registers.gpuaddr + offset; |
| 543 | *ptr++ = (((uint64_t) regs->regs[2 * j]) << 44) | r; |
| 544 | offset += r * sizeof(unsigned int); |
| 545 | } |
| 546 | } |
| 547 | |
| 548 | /* Program the capturescript for the MVC regsiters */ |
| 549 | ptr += _a6xx_crashdump_init_mvc(ptr, &offset); |
| 550 | |
| 551 | *ptr++ = 0; |
| 552 | *ptr++ = 0; |
| 553 | } |