1 // SPDX-License-Identifier: (GPL-2.0 OR BSD-3-Clause) 2 // 3 // This file is provided under a dual BSD/GPLv2 license. When using or 4 // redistributing this file, you may do so under either license. 5 // 6 // Copyright(c) 2018 Intel Corporation. All rights reserved. 7 // 8 // Author: Liam Girdwood <liam.r.girdwood@linux.intel.com> 9 // 10 11 /* 12 * Hardware interface for audio DSP on Baytrail, Braswell and Cherrytrail. 13 */ 14 15 #include <linux/module.h> 16 #include <sound/sof.h> 17 #include <sound/sof/xtensa.h> 18 #include "../ops.h" 19 #include "shim.h" 20 #include "../sof-audio.h" 21 #include "../../intel/common/soc-intel-quirks.h" 22 23 /* DSP memories */ 24 #define IRAM_OFFSET 0x0C0000 25 #define IRAM_SIZE (80 * 1024) 26 #define DRAM_OFFSET 0x100000 27 #define DRAM_SIZE (160 * 1024) 28 #define SHIM_OFFSET 0x140000 29 #define SHIM_SIZE_BYT 0x100 30 #define SHIM_SIZE_CHT 0x118 31 #define MBOX_OFFSET 0x144000 32 #define MBOX_SIZE 0x1000 33 #define EXCEPT_OFFSET 0x800 34 #define EXCEPT_MAX_HDR_SIZE 0x400 35 36 /* DSP peripherals */ 37 #define DMAC0_OFFSET 0x098000 38 #define DMAC1_OFFSET 0x09c000 39 #define DMAC2_OFFSET 0x094000 40 #define DMAC_SIZE 0x420 41 #define SSP0_OFFSET 0x0a0000 42 #define SSP1_OFFSET 0x0a1000 43 #define SSP2_OFFSET 0x0a2000 44 #define SSP3_OFFSET 0x0a4000 45 #define SSP4_OFFSET 0x0a5000 46 #define SSP5_OFFSET 0x0a6000 47 #define SSP_SIZE 0x100 48 49 #define BYT_STACK_DUMP_SIZE 32 50 51 #define BYT_PCI_BAR_SIZE 0x200000 52 53 #define BYT_PANIC_OFFSET(x) (((x) & GENMASK_ULL(47, 32)) >> 32) 54 55 /* 56 * Debug 57 */ 58 59 #define MBOX_DUMP_SIZE 0x30 60 61 /* BARs */ 62 #define BYT_DSP_BAR 0 63 #define BYT_PCI_BAR 1 64 #define BYT_IMR_BAR 2 65 66 static const struct snd_sof_debugfs_map byt_debugfs[] = { 67 {"dmac0", BYT_DSP_BAR, DMAC0_OFFSET, DMAC_SIZE, 68 SOF_DEBUGFS_ACCESS_ALWAYS}, 69 {"dmac1", BYT_DSP_BAR, DMAC1_OFFSET, DMAC_SIZE, 70 SOF_DEBUGFS_ACCESS_ALWAYS}, 71 {"ssp0", BYT_DSP_BAR, SSP0_OFFSET, SSP_SIZE, 72 SOF_DEBUGFS_ACCESS_ALWAYS}, 73 {"ssp1", BYT_DSP_BAR, SSP1_OFFSET, SSP_SIZE, 74 SOF_DEBUGFS_ACCESS_ALWAYS}, 75 {"ssp2", BYT_DSP_BAR, SSP2_OFFSET, SSP_SIZE, 76 SOF_DEBUGFS_ACCESS_ALWAYS}, 77 {"iram", BYT_DSP_BAR, IRAM_OFFSET, IRAM_SIZE, 78 SOF_DEBUGFS_ACCESS_D0_ONLY}, 79 {"dram", BYT_DSP_BAR, DRAM_OFFSET, DRAM_SIZE, 80 SOF_DEBUGFS_ACCESS_D0_ONLY}, 81 {"shim", BYT_DSP_BAR, SHIM_OFFSET, SHIM_SIZE_BYT, 82 SOF_DEBUGFS_ACCESS_ALWAYS}, 83 }; 84 85 static const struct snd_sof_debugfs_map cht_debugfs[] = { 86 {"dmac0", BYT_DSP_BAR, DMAC0_OFFSET, DMAC_SIZE, 87 SOF_DEBUGFS_ACCESS_ALWAYS}, 88 {"dmac1", BYT_DSP_BAR, DMAC1_OFFSET, DMAC_SIZE, 89 SOF_DEBUGFS_ACCESS_ALWAYS}, 90 {"dmac2", BYT_DSP_BAR, DMAC2_OFFSET, DMAC_SIZE, 91 SOF_DEBUGFS_ACCESS_ALWAYS}, 92 {"ssp0", BYT_DSP_BAR, SSP0_OFFSET, SSP_SIZE, 93 SOF_DEBUGFS_ACCESS_ALWAYS}, 94 {"ssp1", BYT_DSP_BAR, SSP1_OFFSET, SSP_SIZE, 95 SOF_DEBUGFS_ACCESS_ALWAYS}, 96 {"ssp2", BYT_DSP_BAR, SSP2_OFFSET, SSP_SIZE, 97 SOF_DEBUGFS_ACCESS_ALWAYS}, 98 {"ssp3", BYT_DSP_BAR, SSP3_OFFSET, SSP_SIZE, 99 SOF_DEBUGFS_ACCESS_ALWAYS}, 100 {"ssp4", BYT_DSP_BAR, SSP4_OFFSET, SSP_SIZE, 101 SOF_DEBUGFS_ACCESS_ALWAYS}, 102 {"ssp5", BYT_DSP_BAR, SSP5_OFFSET, SSP_SIZE, 103 SOF_DEBUGFS_ACCESS_ALWAYS}, 104 {"iram", BYT_DSP_BAR, IRAM_OFFSET, IRAM_SIZE, 105 SOF_DEBUGFS_ACCESS_D0_ONLY}, 106 {"dram", BYT_DSP_BAR, DRAM_OFFSET, DRAM_SIZE, 107 SOF_DEBUGFS_ACCESS_D0_ONLY}, 108 {"shim", BYT_DSP_BAR, SHIM_OFFSET, SHIM_SIZE_CHT, 109 SOF_DEBUGFS_ACCESS_ALWAYS}, 110 }; 111 112 static void byt_host_done(struct snd_sof_dev *sdev); 113 static void byt_dsp_done(struct snd_sof_dev *sdev); 114 static void byt_get_reply(struct snd_sof_dev *sdev); 115 116 /* 117 * Debug 118 */ 119 120 static void byt_get_registers(struct snd_sof_dev *sdev, 121 struct sof_ipc_dsp_oops_xtensa *xoops, 122 struct sof_ipc_panic_info *panic_info, 123 u32 *stack, size_t stack_words) 124 { 125 u32 offset = sdev->dsp_oops_offset; 126 127 /* first read regsisters */ 128 sof_mailbox_read(sdev, offset, xoops, sizeof(*xoops)); 129 130 /* note: variable AR register array is not read */ 131 132 /* then get panic info */ 133 if (xoops->arch_hdr.totalsize > EXCEPT_MAX_HDR_SIZE) { 134 dev_err(sdev->dev, "invalid header size 0x%x. FW oops is bogus\n", 135 xoops->arch_hdr.totalsize); 136 return; 137 } 138 offset += xoops->arch_hdr.totalsize; 139 sof_mailbox_read(sdev, offset, panic_info, sizeof(*panic_info)); 140 141 /* then get the stack */ 142 offset += sizeof(*panic_info); 143 sof_mailbox_read(sdev, offset, stack, stack_words * sizeof(u32)); 144 } 145 146 static void byt_dump(struct snd_sof_dev *sdev, u32 flags) 147 { 148 struct sof_ipc_dsp_oops_xtensa xoops; 149 struct sof_ipc_panic_info panic_info; 150 u32 stack[BYT_STACK_DUMP_SIZE]; 151 u64 status, panic, imrd, imrx; 152 153 /* now try generic SOF status messages */ 154 status = snd_sof_dsp_read64(sdev, BYT_DSP_BAR, SHIM_IPCD); 155 panic = snd_sof_dsp_read64(sdev, BYT_DSP_BAR, SHIM_IPCX); 156 byt_get_registers(sdev, &xoops, &panic_info, stack, 157 BYT_STACK_DUMP_SIZE); 158 snd_sof_get_status(sdev, status, panic, &xoops, &panic_info, stack, 159 BYT_STACK_DUMP_SIZE); 160 161 /* provide some context for firmware debug */ 162 imrx = snd_sof_dsp_read64(sdev, BYT_DSP_BAR, SHIM_IMRX); 163 imrd = snd_sof_dsp_read64(sdev, BYT_DSP_BAR, SHIM_IMRD); 164 dev_err(sdev->dev, 165 "error: ipc host -> DSP: pending %s complete %s raw 0x%llx\n", 166 (panic & SHIM_IPCX_BUSY) ? "yes" : "no", 167 (panic & SHIM_IPCX_DONE) ? "yes" : "no", panic); 168 dev_err(sdev->dev, 169 "error: mask host: pending %s complete %s raw 0x%llx\n", 170 (imrx & SHIM_IMRX_BUSY) ? "yes" : "no", 171 (imrx & SHIM_IMRX_DONE) ? "yes" : "no", imrx); 172 dev_err(sdev->dev, 173 "error: ipc DSP -> host: pending %s complete %s raw 0x%llx\n", 174 (status & SHIM_IPCD_BUSY) ? "yes" : "no", 175 (status & SHIM_IPCD_DONE) ? "yes" : "no", status); 176 dev_err(sdev->dev, 177 "error: mask DSP: pending %s complete %s raw 0x%llx\n", 178 (imrd & SHIM_IMRD_BUSY) ? "yes" : "no", 179 (imrd & SHIM_IMRD_DONE) ? "yes" : "no", imrd); 180 181 } 182 183 /* 184 * IPC Doorbell IRQ handler and thread. 185 */ 186 187 static irqreturn_t byt_irq_handler(int irq, void *context) 188 { 189 struct snd_sof_dev *sdev = context; 190 u64 isr; 191 int ret = IRQ_NONE; 192 193 /* Interrupt arrived, check src */ 194 isr = snd_sof_dsp_read64(sdev, BYT_DSP_BAR, SHIM_ISRX); 195 if (isr & (SHIM_ISRX_DONE | SHIM_ISRX_BUSY)) 196 ret = IRQ_WAKE_THREAD; 197 198 return ret; 199 } 200 201 static irqreturn_t byt_irq_thread(int irq, void *context) 202 { 203 struct snd_sof_dev *sdev = context; 204 u64 ipcx, ipcd; 205 u64 imrx; 206 207 imrx = snd_sof_dsp_read64(sdev, BYT_DSP_BAR, SHIM_IMRX); 208 ipcx = snd_sof_dsp_read64(sdev, BYT_DSP_BAR, SHIM_IPCX); 209 210 /* reply message from DSP */ 211 if (ipcx & SHIM_BYT_IPCX_DONE && 212 !(imrx & SHIM_IMRX_DONE)) { 213 /* Mask Done interrupt before first */ 214 snd_sof_dsp_update_bits64_unlocked(sdev, BYT_DSP_BAR, 215 SHIM_IMRX, 216 SHIM_IMRX_DONE, 217 SHIM_IMRX_DONE); 218 219 spin_lock_irq(&sdev->ipc_lock); 220 221 /* 222 * handle immediate reply from DSP core. If the msg is 223 * found, set done bit in cmd_done which is called at the 224 * end of message processing function, else set it here 225 * because the done bit can't be set in cmd_done function 226 * which is triggered by msg 227 */ 228 byt_get_reply(sdev); 229 snd_sof_ipc_reply(sdev, ipcx); 230 231 byt_dsp_done(sdev); 232 233 spin_unlock_irq(&sdev->ipc_lock); 234 } 235 236 /* new message from DSP */ 237 ipcd = snd_sof_dsp_read64(sdev, BYT_DSP_BAR, SHIM_IPCD); 238 if (ipcd & SHIM_BYT_IPCD_BUSY && 239 !(imrx & SHIM_IMRX_BUSY)) { 240 /* Mask Busy interrupt before return */ 241 snd_sof_dsp_update_bits64_unlocked(sdev, BYT_DSP_BAR, 242 SHIM_IMRX, 243 SHIM_IMRX_BUSY, 244 SHIM_IMRX_BUSY); 245 246 /* Handle messages from DSP Core */ 247 if ((ipcd & SOF_IPC_PANIC_MAGIC_MASK) == SOF_IPC_PANIC_MAGIC) { 248 snd_sof_dsp_panic(sdev, BYT_PANIC_OFFSET(ipcd) + 249 MBOX_OFFSET); 250 } else { 251 snd_sof_ipc_msgs_rx(sdev); 252 } 253 254 byt_host_done(sdev); 255 } 256 257 return IRQ_HANDLED; 258 } 259 260 static int byt_send_msg(struct snd_sof_dev *sdev, struct snd_sof_ipc_msg *msg) 261 { 262 /* send the message */ 263 sof_mailbox_write(sdev, sdev->host_box.offset, msg->msg_data, 264 msg->msg_size); 265 snd_sof_dsp_write64(sdev, BYT_DSP_BAR, SHIM_IPCX, SHIM_BYT_IPCX_BUSY); 266 267 return 0; 268 } 269 270 static void byt_get_reply(struct snd_sof_dev *sdev) 271 { 272 struct snd_sof_ipc_msg *msg = sdev->msg; 273 struct sof_ipc_reply reply; 274 int ret = 0; 275 276 /* 277 * Sometimes, there is unexpected reply ipc arriving. The reply 278 * ipc belongs to none of the ipcs sent from driver. 279 * In this case, the driver must ignore the ipc. 280 */ 281 if (!msg) { 282 dev_warn(sdev->dev, "unexpected ipc interrupt raised!\n"); 283 return; 284 } 285 286 /* get reply */ 287 sof_mailbox_read(sdev, sdev->host_box.offset, &reply, sizeof(reply)); 288 289 if (reply.error < 0) { 290 memcpy(msg->reply_data, &reply, sizeof(reply)); 291 ret = reply.error; 292 } else { 293 /* reply correct size ? */ 294 if (reply.hdr.size != msg->reply_size) { 295 dev_err(sdev->dev, "error: reply expected %zu got %u bytes\n", 296 msg->reply_size, reply.hdr.size); 297 ret = -EINVAL; 298 } 299 300 /* read the message */ 301 if (msg->reply_size > 0) 302 sof_mailbox_read(sdev, sdev->host_box.offset, 303 msg->reply_data, msg->reply_size); 304 } 305 306 msg->reply_error = ret; 307 } 308 309 static int byt_get_mailbox_offset(struct snd_sof_dev *sdev) 310 { 311 return MBOX_OFFSET; 312 } 313 314 static int byt_get_window_offset(struct snd_sof_dev *sdev, u32 id) 315 { 316 return MBOX_OFFSET; 317 } 318 319 static void byt_host_done(struct snd_sof_dev *sdev) 320 { 321 /* clear BUSY bit and set DONE bit - accept new messages */ 322 snd_sof_dsp_update_bits64_unlocked(sdev, BYT_DSP_BAR, SHIM_IPCD, 323 SHIM_BYT_IPCD_BUSY | 324 SHIM_BYT_IPCD_DONE, 325 SHIM_BYT_IPCD_DONE); 326 327 /* unmask busy interrupt */ 328 snd_sof_dsp_update_bits64_unlocked(sdev, BYT_DSP_BAR, SHIM_IMRX, 329 SHIM_IMRX_BUSY, 0); 330 } 331 332 static void byt_dsp_done(struct snd_sof_dev *sdev) 333 { 334 /* clear DONE bit - tell DSP we have completed */ 335 snd_sof_dsp_update_bits64_unlocked(sdev, BYT_DSP_BAR, SHIM_IPCX, 336 SHIM_BYT_IPCX_DONE, 0); 337 338 /* unmask Done interrupt */ 339 snd_sof_dsp_update_bits64_unlocked(sdev, BYT_DSP_BAR, SHIM_IMRX, 340 SHIM_IMRX_DONE, 0); 341 } 342 343 /* 344 * DSP control. 345 */ 346 347 static int byt_run(struct snd_sof_dev *sdev) 348 { 349 int tries = 10; 350 351 /* release stall and wait to unstall */ 352 snd_sof_dsp_update_bits64(sdev, BYT_DSP_BAR, SHIM_CSR, 353 SHIM_BYT_CSR_STALL, 0x0); 354 while (tries--) { 355 if (!(snd_sof_dsp_read64(sdev, BYT_DSP_BAR, SHIM_CSR) & 356 SHIM_BYT_CSR_PWAITMODE)) 357 break; 358 msleep(100); 359 } 360 if (tries < 0) { 361 dev_err(sdev->dev, "error: unable to run DSP firmware\n"); 362 byt_dump(sdev, SOF_DBG_REGS | SOF_DBG_MBOX); 363 return -ENODEV; 364 } 365 366 /* return init core mask */ 367 return 1; 368 } 369 370 static int byt_reset(struct snd_sof_dev *sdev) 371 { 372 /* put DSP into reset, set reset vector and stall */ 373 snd_sof_dsp_update_bits64(sdev, BYT_DSP_BAR, SHIM_CSR, 374 SHIM_BYT_CSR_RST | SHIM_BYT_CSR_VECTOR_SEL | 375 SHIM_BYT_CSR_STALL, 376 SHIM_BYT_CSR_RST | SHIM_BYT_CSR_VECTOR_SEL | 377 SHIM_BYT_CSR_STALL); 378 379 usleep_range(10, 15); 380 381 /* take DSP out of reset and keep stalled for FW loading */ 382 snd_sof_dsp_update_bits64(sdev, BYT_DSP_BAR, SHIM_CSR, 383 SHIM_BYT_CSR_RST, 0); 384 385 return 0; 386 } 387 388 static const char *fixup_tplg_name(struct snd_sof_dev *sdev, 389 const char *sof_tplg_filename, 390 const char *ssp_str) 391 { 392 const char *tplg_filename = NULL; 393 char *filename; 394 char *split_ext; 395 396 filename = devm_kstrdup(sdev->dev, sof_tplg_filename, GFP_KERNEL); 397 if (!filename) 398 return NULL; 399 400 /* this assumes a .tplg extension */ 401 split_ext = strsep(&filename, "."); 402 if (split_ext) { 403 tplg_filename = devm_kasprintf(sdev->dev, GFP_KERNEL, 404 "%s-%s.tplg", 405 split_ext, ssp_str); 406 if (!tplg_filename) 407 return NULL; 408 } 409 return tplg_filename; 410 } 411 412 static void byt_machine_select(struct snd_sof_dev *sdev) 413 { 414 struct snd_sof_pdata *sof_pdata = sdev->pdata; 415 const struct sof_dev_desc *desc = sof_pdata->desc; 416 struct snd_soc_acpi_mach *mach; 417 struct platform_device *pdev; 418 const char *tplg_filename; 419 420 mach = snd_soc_acpi_find_machine(desc->machines); 421 if (!mach) { 422 dev_warn(sdev->dev, "warning: No matching ASoC machine driver found\n"); 423 return; 424 } 425 426 pdev = to_platform_device(sdev->dev); 427 if (soc_intel_is_byt_cr(pdev)) { 428 dev_dbg(sdev->dev, 429 "BYT-CR detected, SSP0 used instead of SSP2\n"); 430 431 tplg_filename = fixup_tplg_name(sdev, 432 mach->sof_tplg_filename, 433 "ssp0"); 434 } else { 435 tplg_filename = mach->sof_tplg_filename; 436 } 437 438 if (!tplg_filename) { 439 dev_dbg(sdev->dev, 440 "error: no topology filename\n"); 441 return; 442 } 443 444 sof_pdata->tplg_filename = tplg_filename; 445 mach->mach_params.acpi_ipc_irq_index = desc->irqindex_host_ipc; 446 sof_pdata->machine = mach; 447 } 448 449 static void byt_set_mach_params(const struct snd_soc_acpi_mach *mach, 450 struct device *dev) 451 { 452 struct snd_soc_acpi_mach_params *mach_params; 453 454 mach_params = (struct snd_soc_acpi_mach_params *)&mach->mach_params; 455 mach_params->platform = dev_name(dev); 456 } 457 458 /* Baytrail DAIs */ 459 static struct snd_soc_dai_driver byt_dai[] = { 460 { 461 .name = "ssp0-port", 462 .playback = { 463 .channels_min = 1, 464 .channels_max = 8, 465 }, 466 .capture = { 467 .channels_min = 1, 468 .channels_max = 8, 469 }, 470 }, 471 { 472 .name = "ssp1-port", 473 .playback = { 474 .channels_min = 1, 475 .channels_max = 8, 476 }, 477 .capture = { 478 .channels_min = 1, 479 .channels_max = 8, 480 }, 481 }, 482 { 483 .name = "ssp2-port", 484 .playback = { 485 .channels_min = 1, 486 .channels_max = 8, 487 }, 488 .capture = { 489 .channels_min = 1, 490 .channels_max = 8, 491 } 492 }, 493 { 494 .name = "ssp3-port", 495 .playback = { 496 .channels_min = 1, 497 .channels_max = 8, 498 }, 499 .capture = { 500 .channels_min = 1, 501 .channels_max = 8, 502 }, 503 }, 504 { 505 .name = "ssp4-port", 506 .playback = { 507 .channels_min = 1, 508 .channels_max = 8, 509 }, 510 .capture = { 511 .channels_min = 1, 512 .channels_max = 8, 513 }, 514 }, 515 { 516 .name = "ssp5-port", 517 .playback = { 518 .channels_min = 1, 519 .channels_max = 8, 520 }, 521 .capture = { 522 .channels_min = 1, 523 .channels_max = 8, 524 }, 525 }, 526 }; 527 528 /* 529 * Probe and remove. 530 */ 531 532 #if IS_ENABLED(CONFIG_SND_SOC_SOF_MERRIFIELD) 533 534 static int tangier_pci_probe(struct snd_sof_dev *sdev) 535 { 536 struct snd_sof_pdata *pdata = sdev->pdata; 537 const struct sof_dev_desc *desc = pdata->desc; 538 struct pci_dev *pci = to_pci_dev(sdev->dev); 539 u32 base, size; 540 int ret; 541 542 /* DSP DMA can only access low 31 bits of host memory */ 543 ret = dma_coerce_mask_and_coherent(&pci->dev, DMA_BIT_MASK(31)); 544 if (ret < 0) { 545 dev_err(sdev->dev, "error: failed to set DMA mask %d\n", ret); 546 return ret; 547 } 548 549 /* LPE base */ 550 base = pci_resource_start(pci, desc->resindex_lpe_base) - IRAM_OFFSET; 551 size = BYT_PCI_BAR_SIZE; 552 553 dev_dbg(sdev->dev, "LPE PHY base at 0x%x size 0x%x", base, size); 554 sdev->bar[BYT_DSP_BAR] = devm_ioremap(sdev->dev, base, size); 555 if (!sdev->bar[BYT_DSP_BAR]) { 556 dev_err(sdev->dev, "error: failed to ioremap LPE base 0x%x size 0x%x\n", 557 base, size); 558 return -ENODEV; 559 } 560 dev_dbg(sdev->dev, "LPE VADDR %p\n", sdev->bar[BYT_DSP_BAR]); 561 562 /* IMR base - optional */ 563 if (desc->resindex_imr_base == -1) 564 goto irq; 565 566 base = pci_resource_start(pci, desc->resindex_imr_base); 567 size = pci_resource_len(pci, desc->resindex_imr_base); 568 569 /* some BIOSes don't map IMR */ 570 if (base == 0x55aa55aa || base == 0x0) { 571 dev_info(sdev->dev, "IMR not set by BIOS. Ignoring\n"); 572 goto irq; 573 } 574 575 dev_dbg(sdev->dev, "IMR base at 0x%x size 0x%x", base, size); 576 sdev->bar[BYT_IMR_BAR] = devm_ioremap(sdev->dev, base, size); 577 if (!sdev->bar[BYT_IMR_BAR]) { 578 dev_err(sdev->dev, "error: failed to ioremap IMR base 0x%x size 0x%x\n", 579 base, size); 580 return -ENODEV; 581 } 582 dev_dbg(sdev->dev, "IMR VADDR %p\n", sdev->bar[BYT_IMR_BAR]); 583 584 irq: 585 /* register our IRQ */ 586 sdev->ipc_irq = pci->irq; 587 dev_dbg(sdev->dev, "using IRQ %d\n", sdev->ipc_irq); 588 ret = devm_request_threaded_irq(sdev->dev, sdev->ipc_irq, 589 byt_irq_handler, byt_irq_thread, 590 0, "AudioDSP", sdev); 591 if (ret < 0) { 592 dev_err(sdev->dev, "error: failed to register IRQ %d\n", 593 sdev->ipc_irq); 594 return ret; 595 } 596 597 /* enable Interrupt from both sides */ 598 snd_sof_dsp_update_bits64(sdev, BYT_DSP_BAR, SHIM_IMRX, 0x3, 0x0); 599 snd_sof_dsp_update_bits64(sdev, BYT_DSP_BAR, SHIM_IMRD, 0x3, 0x0); 600 601 /* set default mailbox offset for FW ready message */ 602 sdev->dsp_box.offset = MBOX_OFFSET; 603 604 return ret; 605 } 606 607 const struct snd_sof_dsp_ops sof_tng_ops = { 608 /* device init */ 609 .probe = tangier_pci_probe, 610 611 /* DSP core boot / reset */ 612 .run = byt_run, 613 .reset = byt_reset, 614 615 /* Register IO */ 616 .write = sof_io_write, 617 .read = sof_io_read, 618 .write64 = sof_io_write64, 619 .read64 = sof_io_read64, 620 621 /* Block IO */ 622 .block_read = sof_block_read, 623 .block_write = sof_block_write, 624 625 /* doorbell */ 626 .irq_handler = byt_irq_handler, 627 .irq_thread = byt_irq_thread, 628 629 /* ipc */ 630 .send_msg = byt_send_msg, 631 .fw_ready = sof_fw_ready, 632 .get_mailbox_offset = byt_get_mailbox_offset, 633 .get_window_offset = byt_get_window_offset, 634 635 .ipc_msg_data = intel_ipc_msg_data, 636 .ipc_pcm_params = intel_ipc_pcm_params, 637 638 /* machine driver */ 639 .machine_select = byt_machine_select, 640 .machine_register = sof_machine_register, 641 .machine_unregister = sof_machine_unregister, 642 .set_mach_params = byt_set_mach_params, 643 644 /* debug */ 645 .debug_map = byt_debugfs, 646 .debug_map_count = ARRAY_SIZE(byt_debugfs), 647 .dbg_dump = byt_dump, 648 649 /* stream callbacks */ 650 .pcm_open = intel_pcm_open, 651 .pcm_close = intel_pcm_close, 652 653 /* module loading */ 654 .load_module = snd_sof_parse_module_memcpy, 655 656 /*Firmware loading */ 657 .load_firmware = snd_sof_load_firmware_memcpy, 658 659 /* DAI drivers */ 660 .drv = byt_dai, 661 .num_drv = 3, /* we have only 3 SSPs on byt*/ 662 663 /* ALSA HW info flags */ 664 .hw_info = SNDRV_PCM_INFO_MMAP | 665 SNDRV_PCM_INFO_MMAP_VALID | 666 SNDRV_PCM_INFO_INTERLEAVED | 667 SNDRV_PCM_INFO_PAUSE | 668 SNDRV_PCM_INFO_BATCH, 669 670 .arch_ops = &sof_xtensa_arch_ops, 671 }; 672 EXPORT_SYMBOL_NS(sof_tng_ops, SND_SOC_SOF_MERRIFIELD); 673 674 const struct sof_intel_dsp_desc tng_chip_info = { 675 .cores_num = 1, 676 .cores_mask = 1, 677 }; 678 EXPORT_SYMBOL_NS(tng_chip_info, SND_SOC_SOF_MERRIFIELD); 679 680 #endif /* CONFIG_SND_SOC_SOF_MERRIFIELD */ 681 682 #if IS_ENABLED(CONFIG_SND_SOC_SOF_BAYTRAIL) 683 684 static int byt_acpi_probe(struct snd_sof_dev *sdev) 685 { 686 struct snd_sof_pdata *pdata = sdev->pdata; 687 const struct sof_dev_desc *desc = pdata->desc; 688 struct platform_device *pdev = 689 container_of(sdev->dev, struct platform_device, dev); 690 struct resource *mmio; 691 u32 base, size; 692 int ret; 693 694 /* DSP DMA can only access low 31 bits of host memory */ 695 ret = dma_coerce_mask_and_coherent(sdev->dev, DMA_BIT_MASK(31)); 696 if (ret < 0) { 697 dev_err(sdev->dev, "error: failed to set DMA mask %d\n", ret); 698 return ret; 699 } 700 701 /* LPE base */ 702 mmio = platform_get_resource(pdev, IORESOURCE_MEM, 703 desc->resindex_lpe_base); 704 if (mmio) { 705 base = mmio->start; 706 size = resource_size(mmio); 707 } else { 708 dev_err(sdev->dev, "error: failed to get LPE base at idx %d\n", 709 desc->resindex_lpe_base); 710 return -EINVAL; 711 } 712 713 dev_dbg(sdev->dev, "LPE PHY base at 0x%x size 0x%x", base, size); 714 sdev->bar[BYT_DSP_BAR] = devm_ioremap(sdev->dev, base, size); 715 if (!sdev->bar[BYT_DSP_BAR]) { 716 dev_err(sdev->dev, "error: failed to ioremap LPE base 0x%x size 0x%x\n", 717 base, size); 718 return -ENODEV; 719 } 720 dev_dbg(sdev->dev, "LPE VADDR %p\n", sdev->bar[BYT_DSP_BAR]); 721 722 /* TODO: add offsets */ 723 sdev->mmio_bar = BYT_DSP_BAR; 724 sdev->mailbox_bar = BYT_DSP_BAR; 725 726 /* IMR base - optional */ 727 if (desc->resindex_imr_base == -1) 728 goto irq; 729 730 mmio = platform_get_resource(pdev, IORESOURCE_MEM, 731 desc->resindex_imr_base); 732 if (mmio) { 733 base = mmio->start; 734 size = resource_size(mmio); 735 } else { 736 dev_err(sdev->dev, "error: failed to get IMR base at idx %d\n", 737 desc->resindex_imr_base); 738 return -ENODEV; 739 } 740 741 /* some BIOSes don't map IMR */ 742 if (base == 0x55aa55aa || base == 0x0) { 743 dev_info(sdev->dev, "IMR not set by BIOS. Ignoring\n"); 744 goto irq; 745 } 746 747 dev_dbg(sdev->dev, "IMR base at 0x%x size 0x%x", base, size); 748 sdev->bar[BYT_IMR_BAR] = devm_ioremap(sdev->dev, base, size); 749 if (!sdev->bar[BYT_IMR_BAR]) { 750 dev_err(sdev->dev, "error: failed to ioremap IMR base 0x%x size 0x%x\n", 751 base, size); 752 return -ENODEV; 753 } 754 dev_dbg(sdev->dev, "IMR VADDR %p\n", sdev->bar[BYT_IMR_BAR]); 755 756 irq: 757 /* register our IRQ */ 758 sdev->ipc_irq = platform_get_irq(pdev, desc->irqindex_host_ipc); 759 if (sdev->ipc_irq < 0) 760 return sdev->ipc_irq; 761 762 dev_dbg(sdev->dev, "using IRQ %d\n", sdev->ipc_irq); 763 ret = devm_request_threaded_irq(sdev->dev, sdev->ipc_irq, 764 byt_irq_handler, byt_irq_thread, 765 IRQF_SHARED, "AudioDSP", sdev); 766 if (ret < 0) { 767 dev_err(sdev->dev, "error: failed to register IRQ %d\n", 768 sdev->ipc_irq); 769 return ret; 770 } 771 772 /* enable Interrupt from both sides */ 773 snd_sof_dsp_update_bits64(sdev, BYT_DSP_BAR, SHIM_IMRX, 0x3, 0x0); 774 snd_sof_dsp_update_bits64(sdev, BYT_DSP_BAR, SHIM_IMRD, 0x3, 0x0); 775 776 /* set default mailbox offset for FW ready message */ 777 sdev->dsp_box.offset = MBOX_OFFSET; 778 779 return ret; 780 } 781 782 /* baytrail ops */ 783 const struct snd_sof_dsp_ops sof_byt_ops = { 784 /* device init */ 785 .probe = byt_acpi_probe, 786 787 /* DSP core boot / reset */ 788 .run = byt_run, 789 .reset = byt_reset, 790 791 /* Register IO */ 792 .write = sof_io_write, 793 .read = sof_io_read, 794 .write64 = sof_io_write64, 795 .read64 = sof_io_read64, 796 797 /* Block IO */ 798 .block_read = sof_block_read, 799 .block_write = sof_block_write, 800 801 /* doorbell */ 802 .irq_handler = byt_irq_handler, 803 .irq_thread = byt_irq_thread, 804 805 /* ipc */ 806 .send_msg = byt_send_msg, 807 .fw_ready = sof_fw_ready, 808 .get_mailbox_offset = byt_get_mailbox_offset, 809 .get_window_offset = byt_get_window_offset, 810 811 .ipc_msg_data = intel_ipc_msg_data, 812 .ipc_pcm_params = intel_ipc_pcm_params, 813 814 /* machine driver */ 815 .machine_select = byt_machine_select, 816 .machine_register = sof_machine_register, 817 .machine_unregister = sof_machine_unregister, 818 .set_mach_params = byt_set_mach_params, 819 820 /* debug */ 821 .debug_map = byt_debugfs, 822 .debug_map_count = ARRAY_SIZE(byt_debugfs), 823 .dbg_dump = byt_dump, 824 825 /* stream callbacks */ 826 .pcm_open = intel_pcm_open, 827 .pcm_close = intel_pcm_close, 828 829 /* module loading */ 830 .load_module = snd_sof_parse_module_memcpy, 831 832 /*Firmware loading */ 833 .load_firmware = snd_sof_load_firmware_memcpy, 834 835 /* DAI drivers */ 836 .drv = byt_dai, 837 .num_drv = 3, /* we have only 3 SSPs on byt*/ 838 839 /* ALSA HW info flags */ 840 .hw_info = SNDRV_PCM_INFO_MMAP | 841 SNDRV_PCM_INFO_MMAP_VALID | 842 SNDRV_PCM_INFO_INTERLEAVED | 843 SNDRV_PCM_INFO_PAUSE | 844 SNDRV_PCM_INFO_BATCH, 845 846 .arch_ops = &sof_xtensa_arch_ops, 847 }; 848 EXPORT_SYMBOL_NS(sof_byt_ops, SND_SOC_SOF_BAYTRAIL); 849 850 const struct sof_intel_dsp_desc byt_chip_info = { 851 .cores_num = 1, 852 .cores_mask = 1, 853 }; 854 EXPORT_SYMBOL_NS(byt_chip_info, SND_SOC_SOF_BAYTRAIL); 855 856 /* cherrytrail and braswell ops */ 857 const struct snd_sof_dsp_ops sof_cht_ops = { 858 /* device init */ 859 .probe = byt_acpi_probe, 860 861 /* DSP core boot / reset */ 862 .run = byt_run, 863 .reset = byt_reset, 864 865 /* Register IO */ 866 .write = sof_io_write, 867 .read = sof_io_read, 868 .write64 = sof_io_write64, 869 .read64 = sof_io_read64, 870 871 /* Block IO */ 872 .block_read = sof_block_read, 873 .block_write = sof_block_write, 874 875 /* doorbell */ 876 .irq_handler = byt_irq_handler, 877 .irq_thread = byt_irq_thread, 878 879 /* ipc */ 880 .send_msg = byt_send_msg, 881 .fw_ready = sof_fw_ready, 882 .get_mailbox_offset = byt_get_mailbox_offset, 883 .get_window_offset = byt_get_window_offset, 884 885 .ipc_msg_data = intel_ipc_msg_data, 886 .ipc_pcm_params = intel_ipc_pcm_params, 887 888 /* machine driver */ 889 .machine_select = byt_machine_select, 890 .machine_register = sof_machine_register, 891 .machine_unregister = sof_machine_unregister, 892 .set_mach_params = byt_set_mach_params, 893 894 /* debug */ 895 .debug_map = cht_debugfs, 896 .debug_map_count = ARRAY_SIZE(cht_debugfs), 897 .dbg_dump = byt_dump, 898 899 /* stream callbacks */ 900 .pcm_open = intel_pcm_open, 901 .pcm_close = intel_pcm_close, 902 903 /* module loading */ 904 .load_module = snd_sof_parse_module_memcpy, 905 906 /*Firmware loading */ 907 .load_firmware = snd_sof_load_firmware_memcpy, 908 909 /* DAI drivers */ 910 .drv = byt_dai, 911 /* all 6 SSPs may be available for cherrytrail */ 912 .num_drv = ARRAY_SIZE(byt_dai), 913 914 /* ALSA HW info flags */ 915 .hw_info = SNDRV_PCM_INFO_MMAP | 916 SNDRV_PCM_INFO_MMAP_VALID | 917 SNDRV_PCM_INFO_INTERLEAVED | 918 SNDRV_PCM_INFO_PAUSE | 919 SNDRV_PCM_INFO_BATCH, 920 921 .arch_ops = &sof_xtensa_arch_ops, 922 }; 923 EXPORT_SYMBOL_NS(sof_cht_ops, SND_SOC_SOF_BAYTRAIL); 924 925 const struct sof_intel_dsp_desc cht_chip_info = { 926 .cores_num = 1, 927 .cores_mask = 1, 928 }; 929 EXPORT_SYMBOL_NS(cht_chip_info, SND_SOC_SOF_BAYTRAIL); 930 931 #endif /* CONFIG_SND_SOC_SOF_BAYTRAIL */ 932 933 MODULE_LICENSE("Dual BSD/GPL"); 934 MODULE_IMPORT_NS(SND_SOC_SOF_INTEL_HIFI_EP_IPC); 935 MODULE_IMPORT_NS(SND_SOC_SOF_XTENSA); 936