1 // SPDX-License-Identifier: (GPL-2.0-only 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 Broadwell 13 */ 14 15 #include <linux/module.h> 16 #include <sound/sof.h> 17 #include <sound/sof/xtensa.h> 18 #include <sound/soc-acpi.h> 19 #include <sound/soc-acpi-intel-match.h> 20 #include <sound/intel-dsp-config.h> 21 #include "../ops.h" 22 #include "shim.h" 23 #include "../sof-acpi-dev.h" 24 #include "../sof-audio.h" 25 26 /* BARs */ 27 #define BDW_DSP_BAR 0 28 #define BDW_PCI_BAR 1 29 30 /* 31 * Debug 32 */ 33 34 /* DSP memories for BDW */ 35 #define IRAM_OFFSET 0xA0000 36 #define BDW_IRAM_SIZE (10 * 32 * 1024) 37 #define DRAM_OFFSET 0x00000 38 #define BDW_DRAM_SIZE (20 * 32 * 1024) 39 #define SHIM_OFFSET 0xFB000 40 #define SHIM_SIZE 0x100 41 #define MBOX_OFFSET 0x9E000 42 #define MBOX_SIZE 0x1000 43 #define MBOX_DUMP_SIZE 0x30 44 #define EXCEPT_OFFSET 0x800 45 #define EXCEPT_MAX_HDR_SIZE 0x400 46 47 /* DSP peripherals */ 48 #define DMAC0_OFFSET 0xFE000 49 #define DMAC1_OFFSET 0xFF000 50 #define DMAC_SIZE 0x420 51 #define SSP0_OFFSET 0xFC000 52 #define SSP1_OFFSET 0xFD000 53 #define SSP_SIZE 0x100 54 55 #define BDW_STACK_DUMP_SIZE 32 56 57 #define BDW_PANIC_OFFSET(x) ((x) & 0xFFFF) 58 59 static const struct snd_sof_debugfs_map bdw_debugfs[] = { 60 {"dmac0", BDW_DSP_BAR, DMAC0_OFFSET, DMAC_SIZE, 61 SOF_DEBUGFS_ACCESS_ALWAYS}, 62 {"dmac1", BDW_DSP_BAR, DMAC1_OFFSET, DMAC_SIZE, 63 SOF_DEBUGFS_ACCESS_ALWAYS}, 64 {"ssp0", BDW_DSP_BAR, SSP0_OFFSET, SSP_SIZE, 65 SOF_DEBUGFS_ACCESS_ALWAYS}, 66 {"ssp1", BDW_DSP_BAR, SSP1_OFFSET, SSP_SIZE, 67 SOF_DEBUGFS_ACCESS_ALWAYS}, 68 {"iram", BDW_DSP_BAR, IRAM_OFFSET, BDW_IRAM_SIZE, 69 SOF_DEBUGFS_ACCESS_D0_ONLY}, 70 {"dram", BDW_DSP_BAR, DRAM_OFFSET, BDW_DRAM_SIZE, 71 SOF_DEBUGFS_ACCESS_D0_ONLY}, 72 {"shim", BDW_DSP_BAR, SHIM_OFFSET, SHIM_SIZE, 73 SOF_DEBUGFS_ACCESS_ALWAYS}, 74 }; 75 76 static void bdw_host_done(struct snd_sof_dev *sdev); 77 static void bdw_dsp_done(struct snd_sof_dev *sdev); 78 79 /* 80 * DSP Control. 81 */ 82 83 static int bdw_run(struct snd_sof_dev *sdev) 84 { 85 /* set opportunistic mode on engine 0,1 for all channels */ 86 snd_sof_dsp_update_bits(sdev, BDW_DSP_BAR, SHIM_HMDC, 87 SHIM_HMDC_HDDA_E0_ALLCH | 88 SHIM_HMDC_HDDA_E1_ALLCH, 0); 89 90 /* set DSP to RUN */ 91 snd_sof_dsp_update_bits_unlocked(sdev, BDW_DSP_BAR, SHIM_CSR, 92 SHIM_CSR_STALL, 0x0); 93 94 /* return init core mask */ 95 return 1; 96 } 97 98 static int bdw_reset(struct snd_sof_dev *sdev) 99 { 100 /* put DSP into reset and stall */ 101 snd_sof_dsp_update_bits_unlocked(sdev, BDW_DSP_BAR, SHIM_CSR, 102 SHIM_CSR_RST | SHIM_CSR_STALL, 103 SHIM_CSR_RST | SHIM_CSR_STALL); 104 105 /* keep in reset for 10ms */ 106 mdelay(10); 107 108 /* take DSP out of reset and keep stalled for FW loading */ 109 snd_sof_dsp_update_bits_unlocked(sdev, BDW_DSP_BAR, SHIM_CSR, 110 SHIM_CSR_RST | SHIM_CSR_STALL, 111 SHIM_CSR_STALL); 112 113 return 0; 114 } 115 116 static int bdw_set_dsp_D0(struct snd_sof_dev *sdev) 117 { 118 int tries = 10; 119 u32 reg; 120 121 /* Disable core clock gating (VDRTCTL2.DCLCGE = 0) */ 122 snd_sof_dsp_update_bits_unlocked(sdev, BDW_PCI_BAR, PCI_VDRTCTL2, 123 PCI_VDRTCL2_DCLCGE | 124 PCI_VDRTCL2_DTCGE, 0); 125 126 /* Disable D3PG (VDRTCTL0.D3PGD = 1) */ 127 snd_sof_dsp_update_bits_unlocked(sdev, BDW_PCI_BAR, PCI_VDRTCTL0, 128 PCI_VDRTCL0_D3PGD, PCI_VDRTCL0_D3PGD); 129 130 /* Set D0 state */ 131 snd_sof_dsp_update_bits_unlocked(sdev, BDW_PCI_BAR, PCI_PMCS, 132 PCI_PMCS_PS_MASK, 0); 133 134 /* check that ADSP shim is enabled */ 135 while (tries--) { 136 reg = readl(sdev->bar[BDW_PCI_BAR] + PCI_PMCS) 137 & PCI_PMCS_PS_MASK; 138 if (reg == 0) 139 goto finish; 140 141 msleep(20); 142 } 143 144 return -ENODEV; 145 146 finish: 147 /* 148 * select SSP1 19.2MHz base clock, SSP clock 0, 149 * turn off Low Power Clock 150 */ 151 snd_sof_dsp_update_bits_unlocked(sdev, BDW_DSP_BAR, SHIM_CSR, 152 SHIM_CSR_S1IOCS | SHIM_CSR_SBCS1 | 153 SHIM_CSR_LPCS, 0x0); 154 155 /* stall DSP core, set clk to 192/96Mhz */ 156 snd_sof_dsp_update_bits_unlocked(sdev, BDW_DSP_BAR, 157 SHIM_CSR, SHIM_CSR_STALL | 158 SHIM_CSR_DCS_MASK, 159 SHIM_CSR_STALL | 160 SHIM_CSR_DCS(4)); 161 162 /* Set 24MHz MCLK, prevent local clock gating, enable SSP0 clock */ 163 snd_sof_dsp_update_bits_unlocked(sdev, BDW_DSP_BAR, SHIM_CLKCTL, 164 SHIM_CLKCTL_MASK | 165 SHIM_CLKCTL_DCPLCG | 166 SHIM_CLKCTL_SCOE0, 167 SHIM_CLKCTL_MASK | 168 SHIM_CLKCTL_DCPLCG | 169 SHIM_CLKCTL_SCOE0); 170 171 /* Stall and reset core, set CSR */ 172 bdw_reset(sdev); 173 174 /* Enable core clock gating (VDRTCTL2.DCLCGE = 1), delay 50 us */ 175 snd_sof_dsp_update_bits_unlocked(sdev, BDW_PCI_BAR, PCI_VDRTCTL2, 176 PCI_VDRTCL2_DCLCGE | 177 PCI_VDRTCL2_DTCGE, 178 PCI_VDRTCL2_DCLCGE | 179 PCI_VDRTCL2_DTCGE); 180 181 usleep_range(50, 55); 182 183 /* switch on audio PLL */ 184 snd_sof_dsp_update_bits_unlocked(sdev, BDW_PCI_BAR, PCI_VDRTCTL2, 185 PCI_VDRTCL2_APLLSE_MASK, 0); 186 187 /* 188 * set default power gating control, enable power gating control for 189 * all blocks. that is, can't be accessed, please enable each block 190 * before accessing. 191 */ 192 snd_sof_dsp_update_bits_unlocked(sdev, BDW_PCI_BAR, PCI_VDRTCTL0, 193 0xfffffffC, 0x0); 194 195 /* disable DMA finish function for SSP0 & SSP1 */ 196 snd_sof_dsp_update_bits_unlocked(sdev, BDW_DSP_BAR, SHIM_CSR2, 197 SHIM_CSR2_SDFD_SSP1, 198 SHIM_CSR2_SDFD_SSP1); 199 200 /* set on-demond mode on engine 0,1 for all channels */ 201 snd_sof_dsp_update_bits(sdev, BDW_DSP_BAR, SHIM_HMDC, 202 SHIM_HMDC_HDDA_E0_ALLCH | 203 SHIM_HMDC_HDDA_E1_ALLCH, 204 SHIM_HMDC_HDDA_E0_ALLCH | 205 SHIM_HMDC_HDDA_E1_ALLCH); 206 207 /* Enable Interrupt from both sides */ 208 snd_sof_dsp_update_bits(sdev, BDW_DSP_BAR, SHIM_IMRX, 209 (SHIM_IMRX_BUSY | SHIM_IMRX_DONE), 0x0); 210 snd_sof_dsp_update_bits(sdev, BDW_DSP_BAR, SHIM_IMRD, 211 (SHIM_IMRD_DONE | SHIM_IMRD_BUSY | 212 SHIM_IMRD_SSP0 | SHIM_IMRD_DMAC), 0x0); 213 214 /* clear IPC registers */ 215 snd_sof_dsp_write(sdev, BDW_DSP_BAR, SHIM_IPCX, 0x0); 216 snd_sof_dsp_write(sdev, BDW_DSP_BAR, SHIM_IPCD, 0x0); 217 snd_sof_dsp_write(sdev, BDW_DSP_BAR, 0x80, 0x6); 218 snd_sof_dsp_write(sdev, BDW_DSP_BAR, 0xe0, 0x300a); 219 220 return 0; 221 } 222 223 static void bdw_get_registers(struct snd_sof_dev *sdev, 224 struct sof_ipc_dsp_oops_xtensa *xoops, 225 struct sof_ipc_panic_info *panic_info, 226 u32 *stack, size_t stack_words) 227 { 228 u32 offset = sdev->dsp_oops_offset; 229 230 /* first read registers */ 231 sof_mailbox_read(sdev, offset, xoops, sizeof(*xoops)); 232 233 /* note: variable AR register array is not read */ 234 235 /* then get panic info */ 236 if (xoops->arch_hdr.totalsize > EXCEPT_MAX_HDR_SIZE) { 237 dev_err(sdev->dev, "invalid header size 0x%x. FW oops is bogus\n", 238 xoops->arch_hdr.totalsize); 239 return; 240 } 241 offset += xoops->arch_hdr.totalsize; 242 sof_mailbox_read(sdev, offset, panic_info, sizeof(*panic_info)); 243 244 /* then get the stack */ 245 offset += sizeof(*panic_info); 246 sof_mailbox_read(sdev, offset, stack, stack_words * sizeof(u32)); 247 } 248 249 static void bdw_dump(struct snd_sof_dev *sdev, u32 flags) 250 { 251 struct sof_ipc_dsp_oops_xtensa xoops; 252 struct sof_ipc_panic_info panic_info; 253 u32 stack[BDW_STACK_DUMP_SIZE]; 254 u32 status, panic, imrx, imrd; 255 256 /* now try generic SOF status messages */ 257 status = snd_sof_dsp_read(sdev, BDW_DSP_BAR, SHIM_IPCD); 258 panic = snd_sof_dsp_read(sdev, BDW_DSP_BAR, SHIM_IPCX); 259 bdw_get_registers(sdev, &xoops, &panic_info, stack, 260 BDW_STACK_DUMP_SIZE); 261 sof_print_oops_and_stack(sdev, KERN_ERR, status, panic, &xoops, 262 &panic_info, stack, BDW_STACK_DUMP_SIZE); 263 264 /* provide some context for firmware debug */ 265 imrx = snd_sof_dsp_read(sdev, BDW_DSP_BAR, SHIM_IMRX); 266 imrd = snd_sof_dsp_read(sdev, BDW_DSP_BAR, SHIM_IMRD); 267 dev_err(sdev->dev, 268 "error: ipc host -> DSP: pending %s complete %s raw 0x%8.8x\n", 269 (panic & SHIM_IPCX_BUSY) ? "yes" : "no", 270 (panic & SHIM_IPCX_DONE) ? "yes" : "no", panic); 271 dev_err(sdev->dev, 272 "error: mask host: pending %s complete %s raw 0x%8.8x\n", 273 (imrx & SHIM_IMRX_BUSY) ? "yes" : "no", 274 (imrx & SHIM_IMRX_DONE) ? "yes" : "no", imrx); 275 dev_err(sdev->dev, 276 "error: ipc DSP -> host: pending %s complete %s raw 0x%8.8x\n", 277 (status & SHIM_IPCD_BUSY) ? "yes" : "no", 278 (status & SHIM_IPCD_DONE) ? "yes" : "no", status); 279 dev_err(sdev->dev, 280 "error: mask DSP: pending %s complete %s raw 0x%8.8x\n", 281 (imrd & SHIM_IMRD_BUSY) ? "yes" : "no", 282 (imrd & SHIM_IMRD_DONE) ? "yes" : "no", imrd); 283 } 284 285 /* 286 * IPC Doorbell IRQ handler and thread. 287 */ 288 289 static irqreturn_t bdw_irq_handler(int irq, void *context) 290 { 291 struct snd_sof_dev *sdev = context; 292 u32 isr; 293 int ret = IRQ_NONE; 294 295 /* Interrupt arrived, check src */ 296 isr = snd_sof_dsp_read(sdev, BDW_DSP_BAR, SHIM_ISRX); 297 if (isr & (SHIM_ISRX_DONE | SHIM_ISRX_BUSY)) 298 ret = IRQ_WAKE_THREAD; 299 300 return ret; 301 } 302 303 static irqreturn_t bdw_irq_thread(int irq, void *context) 304 { 305 struct snd_sof_dev *sdev = context; 306 u32 ipcx, ipcd, imrx; 307 308 imrx = snd_sof_dsp_read64(sdev, BDW_DSP_BAR, SHIM_IMRX); 309 ipcx = snd_sof_dsp_read(sdev, BDW_DSP_BAR, SHIM_IPCX); 310 311 /* reply message from DSP */ 312 if (ipcx & SHIM_IPCX_DONE && 313 !(imrx & SHIM_IMRX_DONE)) { 314 /* Mask Done interrupt before return */ 315 snd_sof_dsp_update_bits_unlocked(sdev, BDW_DSP_BAR, 316 SHIM_IMRX, SHIM_IMRX_DONE, 317 SHIM_IMRX_DONE); 318 319 spin_lock_irq(&sdev->ipc_lock); 320 321 /* 322 * handle immediate reply from DSP core. If the msg is 323 * found, set done bit in cmd_done which is called at the 324 * end of message processing function, else set it here 325 * because the done bit can't be set in cmd_done function 326 * which is triggered by msg 327 */ 328 snd_sof_ipc_process_reply(sdev, ipcx); 329 330 bdw_dsp_done(sdev); 331 332 spin_unlock_irq(&sdev->ipc_lock); 333 } 334 335 ipcd = snd_sof_dsp_read(sdev, BDW_DSP_BAR, SHIM_IPCD); 336 337 /* new message from DSP */ 338 if (ipcd & SHIM_IPCD_BUSY && 339 !(imrx & SHIM_IMRX_BUSY)) { 340 /* Mask Busy interrupt before return */ 341 snd_sof_dsp_update_bits_unlocked(sdev, BDW_DSP_BAR, 342 SHIM_IMRX, SHIM_IMRX_BUSY, 343 SHIM_IMRX_BUSY); 344 345 /* Handle messages from DSP Core */ 346 if ((ipcd & SOF_IPC_PANIC_MAGIC_MASK) == SOF_IPC_PANIC_MAGIC) { 347 snd_sof_dsp_panic(sdev, BDW_PANIC_OFFSET(ipcx) + MBOX_OFFSET, 348 true); 349 } else { 350 snd_sof_ipc_msgs_rx(sdev); 351 } 352 353 bdw_host_done(sdev); 354 } 355 356 return IRQ_HANDLED; 357 } 358 359 /* 360 * IPC Mailbox IO 361 */ 362 363 static int bdw_send_msg(struct snd_sof_dev *sdev, struct snd_sof_ipc_msg *msg) 364 { 365 /* send the message */ 366 sof_mailbox_write(sdev, sdev->host_box.offset, msg->msg_data, 367 msg->msg_size); 368 snd_sof_dsp_write(sdev, BDW_DSP_BAR, SHIM_IPCX, SHIM_IPCX_BUSY); 369 370 return 0; 371 } 372 373 static int bdw_get_mailbox_offset(struct snd_sof_dev *sdev) 374 { 375 return MBOX_OFFSET; 376 } 377 378 static int bdw_get_window_offset(struct snd_sof_dev *sdev, u32 id) 379 { 380 return MBOX_OFFSET; 381 } 382 383 static void bdw_host_done(struct snd_sof_dev *sdev) 384 { 385 /* clear BUSY bit and set DONE bit - accept new messages */ 386 snd_sof_dsp_update_bits_unlocked(sdev, BDW_DSP_BAR, SHIM_IPCD, 387 SHIM_IPCD_BUSY | SHIM_IPCD_DONE, 388 SHIM_IPCD_DONE); 389 390 /* unmask busy interrupt */ 391 snd_sof_dsp_update_bits_unlocked(sdev, BDW_DSP_BAR, SHIM_IMRX, 392 SHIM_IMRX_BUSY, 0); 393 } 394 395 static void bdw_dsp_done(struct snd_sof_dev *sdev) 396 { 397 /* clear DONE bit - tell DSP we have completed */ 398 snd_sof_dsp_update_bits_unlocked(sdev, BDW_DSP_BAR, SHIM_IPCX, 399 SHIM_IPCX_DONE, 0); 400 401 /* unmask Done interrupt */ 402 snd_sof_dsp_update_bits_unlocked(sdev, BDW_DSP_BAR, SHIM_IMRX, 403 SHIM_IMRX_DONE, 0); 404 } 405 406 /* 407 * Probe and remove. 408 */ 409 static int bdw_probe(struct snd_sof_dev *sdev) 410 { 411 struct snd_sof_pdata *pdata = sdev->pdata; 412 const struct sof_dev_desc *desc = pdata->desc; 413 struct platform_device *pdev = 414 container_of(sdev->dev, struct platform_device, dev); 415 const struct sof_intel_dsp_desc *chip; 416 struct resource *mmio; 417 u32 base, size; 418 int ret; 419 420 chip = get_chip_info(sdev->pdata); 421 if (!chip) { 422 dev_err(sdev->dev, "error: no such device supported\n"); 423 return -EIO; 424 } 425 426 sdev->num_cores = chip->cores_num; 427 428 /* LPE base */ 429 mmio = platform_get_resource(pdev, IORESOURCE_MEM, 430 desc->resindex_lpe_base); 431 if (mmio) { 432 base = mmio->start; 433 size = resource_size(mmio); 434 } else { 435 dev_err(sdev->dev, "error: failed to get LPE base at idx %d\n", 436 desc->resindex_lpe_base); 437 return -EINVAL; 438 } 439 440 dev_dbg(sdev->dev, "LPE PHY base at 0x%x size 0x%x", base, size); 441 sdev->bar[BDW_DSP_BAR] = devm_ioremap(sdev->dev, base, size); 442 if (!sdev->bar[BDW_DSP_BAR]) { 443 dev_err(sdev->dev, 444 "error: failed to ioremap LPE base 0x%x size 0x%x\n", 445 base, size); 446 return -ENODEV; 447 } 448 dev_dbg(sdev->dev, "LPE VADDR %p\n", sdev->bar[BDW_DSP_BAR]); 449 450 /* TODO: add offsets */ 451 sdev->mmio_bar = BDW_DSP_BAR; 452 sdev->mailbox_bar = BDW_DSP_BAR; 453 sdev->dsp_oops_offset = MBOX_OFFSET; 454 455 /* PCI base */ 456 mmio = platform_get_resource(pdev, IORESOURCE_MEM, 457 desc->resindex_pcicfg_base); 458 if (mmio) { 459 base = mmio->start; 460 size = resource_size(mmio); 461 } else { 462 dev_err(sdev->dev, "error: failed to get PCI base at idx %d\n", 463 desc->resindex_pcicfg_base); 464 return -ENODEV; 465 } 466 467 dev_dbg(sdev->dev, "PCI base at 0x%x size 0x%x", base, size); 468 sdev->bar[BDW_PCI_BAR] = devm_ioremap(sdev->dev, base, size); 469 if (!sdev->bar[BDW_PCI_BAR]) { 470 dev_err(sdev->dev, 471 "error: failed to ioremap PCI base 0x%x size 0x%x\n", 472 base, size); 473 return -ENODEV; 474 } 475 dev_dbg(sdev->dev, "PCI VADDR %p\n", sdev->bar[BDW_PCI_BAR]); 476 477 /* register our IRQ */ 478 sdev->ipc_irq = platform_get_irq(pdev, desc->irqindex_host_ipc); 479 if (sdev->ipc_irq < 0) 480 return sdev->ipc_irq; 481 482 dev_dbg(sdev->dev, "using IRQ %d\n", sdev->ipc_irq); 483 ret = devm_request_threaded_irq(sdev->dev, sdev->ipc_irq, 484 bdw_irq_handler, bdw_irq_thread, 485 IRQF_SHARED, "AudioDSP", sdev); 486 if (ret < 0) { 487 dev_err(sdev->dev, "error: failed to register IRQ %d\n", 488 sdev->ipc_irq); 489 return ret; 490 } 491 492 /* enable the DSP SHIM */ 493 ret = bdw_set_dsp_D0(sdev); 494 if (ret < 0) { 495 dev_err(sdev->dev, "error: failed to set DSP D0\n"); 496 return ret; 497 } 498 499 /* DSP DMA can only access low 31 bits of host memory */ 500 ret = dma_coerce_mask_and_coherent(sdev->dev, DMA_BIT_MASK(31)); 501 if (ret < 0) { 502 dev_err(sdev->dev, "error: failed to set DMA mask %d\n", ret); 503 return ret; 504 } 505 506 /* set default mailbox offset for FW ready message */ 507 sdev->dsp_box.offset = MBOX_OFFSET; 508 509 return ret; 510 } 511 512 static struct snd_soc_acpi_mach *bdw_machine_select(struct snd_sof_dev *sdev) 513 { 514 struct snd_sof_pdata *sof_pdata = sdev->pdata; 515 const struct sof_dev_desc *desc = sof_pdata->desc; 516 struct snd_soc_acpi_mach *mach; 517 518 mach = snd_soc_acpi_find_machine(desc->machines); 519 if (!mach) { 520 dev_warn(sdev->dev, "warning: No matching ASoC machine driver found\n"); 521 return NULL; 522 } 523 524 sof_pdata->tplg_filename = mach->sof_tplg_filename; 525 mach->mach_params.acpi_ipc_irq_index = desc->irqindex_host_ipc; 526 527 return mach; 528 } 529 530 static void bdw_set_mach_params(struct snd_soc_acpi_mach *mach, 531 struct snd_sof_dev *sdev) 532 { 533 struct snd_sof_pdata *pdata = sdev->pdata; 534 const struct sof_dev_desc *desc = pdata->desc; 535 struct snd_soc_acpi_mach_params *mach_params; 536 537 mach_params = &mach->mach_params; 538 mach_params->platform = dev_name(sdev->dev); 539 mach_params->num_dai_drivers = desc->ops->num_drv; 540 mach_params->dai_drivers = desc->ops->drv; 541 } 542 543 /* Broadwell DAIs */ 544 static struct snd_soc_dai_driver bdw_dai[] = { 545 { 546 .name = "ssp0-port", 547 .playback = { 548 .channels_min = 1, 549 .channels_max = 8, 550 }, 551 .capture = { 552 .channels_min = 1, 553 .channels_max = 8, 554 }, 555 }, 556 { 557 .name = "ssp1-port", 558 .playback = { 559 .channels_min = 1, 560 .channels_max = 8, 561 }, 562 .capture = { 563 .channels_min = 1, 564 .channels_max = 8, 565 }, 566 }, 567 }; 568 569 /* broadwell ops */ 570 static struct snd_sof_dsp_ops sof_bdw_ops = { 571 /*Device init */ 572 .probe = bdw_probe, 573 574 /* DSP Core Control */ 575 .run = bdw_run, 576 .reset = bdw_reset, 577 578 /* Register IO uses direct mmio */ 579 580 /* Block IO */ 581 .block_read = sof_block_read, 582 .block_write = sof_block_write, 583 584 /* Mailbox IO */ 585 .mailbox_read = sof_mailbox_read, 586 .mailbox_write = sof_mailbox_write, 587 588 /* ipc */ 589 .send_msg = bdw_send_msg, 590 .get_mailbox_offset = bdw_get_mailbox_offset, 591 .get_window_offset = bdw_get_window_offset, 592 593 .ipc_msg_data = sof_ipc_msg_data, 594 .set_stream_data_offset = sof_set_stream_data_offset, 595 596 /* machine driver */ 597 .machine_select = bdw_machine_select, 598 .machine_register = sof_machine_register, 599 .machine_unregister = sof_machine_unregister, 600 .set_mach_params = bdw_set_mach_params, 601 602 /* debug */ 603 .debug_map = bdw_debugfs, 604 .debug_map_count = ARRAY_SIZE(bdw_debugfs), 605 .dbg_dump = bdw_dump, 606 .debugfs_add_region_item = snd_sof_debugfs_add_region_item_iomem, 607 608 /* stream callbacks */ 609 .pcm_open = sof_stream_pcm_open, 610 .pcm_close = sof_stream_pcm_close, 611 612 /*Firmware loading */ 613 .load_firmware = snd_sof_load_firmware_memcpy, 614 615 /* DAI drivers */ 616 .drv = bdw_dai, 617 .num_drv = ARRAY_SIZE(bdw_dai), 618 619 /* ALSA HW info flags */ 620 .hw_info = SNDRV_PCM_INFO_MMAP | 621 SNDRV_PCM_INFO_MMAP_VALID | 622 SNDRV_PCM_INFO_INTERLEAVED | 623 SNDRV_PCM_INFO_PAUSE | 624 SNDRV_PCM_INFO_BATCH, 625 626 .dsp_arch_ops = &sof_xtensa_arch_ops, 627 }; 628 629 static const struct sof_intel_dsp_desc bdw_chip_info = { 630 .cores_num = 1, 631 .host_managed_cores_mask = 1, 632 .hw_ip_version = SOF_INTEL_BROADWELL, 633 }; 634 635 static const struct sof_dev_desc sof_acpi_broadwell_desc = { 636 .machines = snd_soc_acpi_intel_broadwell_machines, 637 .resindex_lpe_base = 0, 638 .resindex_pcicfg_base = 1, 639 .resindex_imr_base = -1, 640 .irqindex_host_ipc = 0, 641 .chip_info = &bdw_chip_info, 642 .ipc_supported_mask = BIT(SOF_IPC), 643 .ipc_default = SOF_IPC, 644 .default_fw_path = { 645 [SOF_IPC] = "intel/sof", 646 }, 647 .default_tplg_path = { 648 [SOF_IPC] = "intel/sof-tplg", 649 }, 650 .default_fw_filename = { 651 [SOF_IPC] = "sof-bdw.ri", 652 }, 653 .nocodec_tplg_filename = "sof-bdw-nocodec.tplg", 654 .ops = &sof_bdw_ops, 655 }; 656 657 static const struct acpi_device_id sof_broadwell_match[] = { 658 { "INT3438", (unsigned long)&sof_acpi_broadwell_desc }, 659 { } 660 }; 661 MODULE_DEVICE_TABLE(acpi, sof_broadwell_match); 662 663 static int sof_broadwell_probe(struct platform_device *pdev) 664 { 665 struct device *dev = &pdev->dev; 666 const struct acpi_device_id *id; 667 const struct sof_dev_desc *desc; 668 int ret; 669 670 id = acpi_match_device(dev->driver->acpi_match_table, dev); 671 if (!id) 672 return -ENODEV; 673 674 ret = snd_intel_acpi_dsp_driver_probe(dev, id->id); 675 if (ret != SND_INTEL_DSP_DRIVER_ANY && ret != SND_INTEL_DSP_DRIVER_SOF) { 676 dev_dbg(dev, "SOF ACPI driver not selected, aborting probe\n"); 677 return -ENODEV; 678 } 679 680 desc = (const struct sof_dev_desc *)id->driver_data; 681 return sof_acpi_probe(pdev, desc); 682 } 683 684 /* acpi_driver definition */ 685 static struct platform_driver snd_sof_acpi_intel_bdw_driver = { 686 .probe = sof_broadwell_probe, 687 .remove = sof_acpi_remove, 688 .driver = { 689 .name = "sof-audio-acpi-intel-bdw", 690 .pm = &sof_acpi_pm, 691 .acpi_match_table = sof_broadwell_match, 692 }, 693 }; 694 module_platform_driver(snd_sof_acpi_intel_bdw_driver); 695 696 MODULE_LICENSE("Dual BSD/GPL"); 697 MODULE_IMPORT_NS(SND_SOC_SOF_INTEL_HIFI_EP_IPC); 698 MODULE_IMPORT_NS(SND_SOC_SOF_XTENSA); 699 MODULE_IMPORT_NS(SND_SOC_SOF_ACPI_DEV); 700