1 // SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause) 2 // 3 // Copyright(c) 2022 Intel Corporation 4 // 5 // Authors: Ranjani Sridharan <ranjani.sridharan@linux.intel.com> 6 // 7 8 /* 9 * Hardware interface for audio DSP on Meteorlake. 10 */ 11 12 #include <linux/debugfs.h> 13 #include <linux/firmware.h> 14 #include <linux/string_choices.h> 15 #include <sound/sof/ipc4/header.h> 16 #include <trace/events/sof_intel.h> 17 #include "../ipc4-priv.h" 18 #include "../ops.h" 19 #include "hda.h" 20 #include "hda-ipc.h" 21 #include "../sof-audio.h" 22 #include "mtl.h" 23 #include "telemetry.h" 24 25 static const struct snd_sof_debugfs_map mtl_dsp_debugfs[] = { 26 {"hda", HDA_DSP_HDA_BAR, 0, 0x4000, SOF_DEBUGFS_ACCESS_ALWAYS}, 27 {"pp", HDA_DSP_PP_BAR, 0, 0x1000, SOF_DEBUGFS_ACCESS_ALWAYS}, 28 {"dsp", HDA_DSP_BAR, 0, 0x10000, SOF_DEBUGFS_ACCESS_ALWAYS}, 29 {"fw_regs", HDA_DSP_BAR, MTL_SRAM_WINDOW_OFFSET(0), 0x1000, SOF_DEBUGFS_ACCESS_D0_ONLY}, 30 }; 31 32 static void mtl_ipc_host_done(struct snd_sof_dev *sdev) 33 { 34 /* 35 * clear busy interrupt to tell dsp controller this interrupt has been accepted, 36 * not trigger it again 37 */ 38 snd_sof_dsp_update_bits_forced(sdev, HDA_DSP_BAR, MTL_DSP_REG_HFIPCXTDR, 39 MTL_DSP_REG_HFIPCXTDR_BUSY, MTL_DSP_REG_HFIPCXTDR_BUSY); 40 /* 41 * clear busy bit to ack dsp the msg has been processed and send reply msg to dsp 42 */ 43 snd_sof_dsp_update_bits_forced(sdev, HDA_DSP_BAR, MTL_DSP_REG_HFIPCXTDA, 44 MTL_DSP_REG_HFIPCXTDA_BUSY, 0); 45 } 46 47 static void mtl_ipc_dsp_done(struct snd_sof_dev *sdev) 48 { 49 /* 50 * set DONE bit - tell DSP we have received the reply msg from DSP, and processed it, 51 * don't send more reply to host 52 */ 53 snd_sof_dsp_update_bits_forced(sdev, HDA_DSP_BAR, MTL_DSP_REG_HFIPCXIDA, 54 MTL_DSP_REG_HFIPCXIDA_DONE, MTL_DSP_REG_HFIPCXIDA_DONE); 55 56 /* unmask Done interrupt */ 57 snd_sof_dsp_update_bits(sdev, HDA_DSP_BAR, MTL_DSP_REG_HFIPCXCTL, 58 MTL_DSP_REG_HFIPCXCTL_DONE, MTL_DSP_REG_HFIPCXCTL_DONE); 59 } 60 61 /* Check if an IPC IRQ occurred */ 62 bool mtl_dsp_check_ipc_irq(struct snd_sof_dev *sdev) 63 { 64 u32 irq_status; 65 u32 hfintipptr; 66 67 if (sdev->dspless_mode_selected) 68 return false; 69 70 /* read Interrupt IP Pointer */ 71 hfintipptr = snd_sof_dsp_read(sdev, HDA_DSP_BAR, MTL_HFINTIPPTR) & MTL_HFINTIPPTR_PTR_MASK; 72 irq_status = snd_sof_dsp_read(sdev, HDA_DSP_BAR, hfintipptr + MTL_DSP_IRQSTS); 73 74 trace_sof_intel_hda_irq_ipc_check(sdev, irq_status); 75 76 if (irq_status != U32_MAX && (irq_status & MTL_DSP_IRQSTS_IPC)) 77 return true; 78 79 return false; 80 } 81 EXPORT_SYMBOL_NS(mtl_dsp_check_ipc_irq, "SND_SOC_SOF_INTEL_MTL"); 82 83 /* Check if an SDW IRQ occurred */ 84 static bool mtl_dsp_check_sdw_irq(struct snd_sof_dev *sdev) 85 { 86 u32 irq_status; 87 u32 hfintipptr; 88 89 /* read Interrupt IP Pointer */ 90 hfintipptr = snd_sof_dsp_read(sdev, HDA_DSP_BAR, MTL_HFINTIPPTR) & MTL_HFINTIPPTR_PTR_MASK; 91 irq_status = snd_sof_dsp_read(sdev, HDA_DSP_BAR, hfintipptr + MTL_DSP_IRQSTS); 92 93 if (irq_status != U32_MAX && (irq_status & MTL_DSP_IRQSTS_SDW)) 94 return true; 95 96 return false; 97 } 98 99 static int mtl_ipc_send_msg(struct snd_sof_dev *sdev, struct snd_sof_ipc_msg *msg) 100 { 101 struct sof_intel_hda_dev *hdev = sdev->pdata->hw_pdata; 102 struct sof_ipc4_msg *msg_data = msg->msg_data; 103 104 if (hda_ipc4_tx_is_busy(sdev)) { 105 hdev->delayed_ipc_tx_msg = msg; 106 return 0; 107 } 108 109 hdev->delayed_ipc_tx_msg = NULL; 110 111 /* send the message via mailbox */ 112 if (msg_data->data_size) 113 sof_mailbox_write(sdev, sdev->host_box.offset, msg_data->data_ptr, 114 msg_data->data_size); 115 116 snd_sof_dsp_write(sdev, HDA_DSP_BAR, MTL_DSP_REG_HFIPCXIDDY, 117 msg_data->extension); 118 snd_sof_dsp_write(sdev, HDA_DSP_BAR, MTL_DSP_REG_HFIPCXIDR, 119 msg_data->primary | MTL_DSP_REG_HFIPCXIDR_BUSY); 120 121 hda_dsp_ipc4_schedule_d0i3_work(hdev, msg); 122 123 return 0; 124 } 125 126 void mtl_enable_ipc_interrupts(struct snd_sof_dev *sdev) 127 { 128 struct sof_intel_hda_dev *hda = sdev->pdata->hw_pdata; 129 const struct sof_intel_dsp_desc *chip = hda->desc; 130 131 if (sdev->dspless_mode_selected) 132 return; 133 134 /* enable IPC DONE and BUSY interrupts */ 135 snd_sof_dsp_update_bits(sdev, HDA_DSP_BAR, chip->ipc_ctl, 136 MTL_DSP_REG_HFIPCXCTL_BUSY | MTL_DSP_REG_HFIPCXCTL_DONE, 137 MTL_DSP_REG_HFIPCXCTL_BUSY | MTL_DSP_REG_HFIPCXCTL_DONE); 138 } 139 140 void mtl_disable_ipc_interrupts(struct snd_sof_dev *sdev) 141 { 142 struct sof_intel_hda_dev *hda = sdev->pdata->hw_pdata; 143 const struct sof_intel_dsp_desc *chip = hda->desc; 144 145 if (sdev->dspless_mode_selected) 146 return; 147 148 /* disable IPC DONE and BUSY interrupts */ 149 snd_sof_dsp_update_bits(sdev, HDA_DSP_BAR, chip->ipc_ctl, 150 MTL_DSP_REG_HFIPCXCTL_BUSY | MTL_DSP_REG_HFIPCXCTL_DONE, 0); 151 } 152 EXPORT_SYMBOL_NS(mtl_disable_ipc_interrupts, "SND_SOC_SOF_INTEL_MTL"); 153 154 static void mtl_enable_sdw_irq(struct snd_sof_dev *sdev, bool enable) 155 { 156 u32 hipcie; 157 u32 mask; 158 u32 val; 159 int ret; 160 161 if (sdev->dspless_mode_selected) 162 return; 163 164 /* Enable/Disable SoundWire interrupt */ 165 mask = MTL_DSP_REG_HfSNDWIE_IE_MASK; 166 if (enable) 167 val = mask; 168 else 169 val = 0; 170 171 snd_sof_dsp_update_bits(sdev, HDA_DSP_BAR, MTL_DSP_REG_HfSNDWIE, mask, val); 172 173 /* check if operation was successful */ 174 ret = snd_sof_dsp_read_poll_timeout(sdev, HDA_DSP_BAR, MTL_DSP_REG_HfSNDWIE, hipcie, 175 (hipcie & mask) == val, 176 HDA_DSP_REG_POLL_INTERVAL_US, HDA_DSP_RESET_TIMEOUT_US); 177 if (ret < 0) 178 dev_err(sdev->dev, "failed to set SoundWire IPC interrupt %s\n", 179 str_enable_disable(enable)); 180 } 181 182 int mtl_enable_interrupts(struct snd_sof_dev *sdev, bool enable) 183 { 184 u32 hfintipptr; 185 u32 irqinten; 186 u32 hipcie; 187 u32 mask; 188 u32 val; 189 int ret; 190 191 if (sdev->dspless_mode_selected) 192 return 0; 193 194 /* read Interrupt IP Pointer */ 195 hfintipptr = snd_sof_dsp_read(sdev, HDA_DSP_BAR, MTL_HFINTIPPTR) & MTL_HFINTIPPTR_PTR_MASK; 196 197 /* Enable/Disable Host IPC and SOUNDWIRE */ 198 mask = MTL_IRQ_INTEN_L_HOST_IPC_MASK | MTL_IRQ_INTEN_L_SOUNDWIRE_MASK; 199 if (enable) 200 val = mask; 201 else 202 val = 0; 203 204 snd_sof_dsp_update_bits(sdev, HDA_DSP_BAR, hfintipptr, mask, val); 205 206 /* check if operation was successful */ 207 ret = snd_sof_dsp_read_poll_timeout(sdev, HDA_DSP_BAR, hfintipptr, irqinten, 208 (irqinten & mask) == val, 209 HDA_DSP_REG_POLL_INTERVAL_US, HDA_DSP_RESET_TIMEOUT_US); 210 if (ret < 0) { 211 dev_err(sdev->dev, "failed to %s Host IPC and/or SOUNDWIRE\n", 212 str_enable_disable(enable)); 213 return ret; 214 } 215 216 /* Enable/Disable Host IPC interrupt*/ 217 mask = MTL_DSP_REG_HfHIPCIE_IE_MASK; 218 if (enable) 219 val = mask; 220 else 221 val = 0; 222 223 snd_sof_dsp_update_bits(sdev, HDA_DSP_BAR, MTL_DSP_REG_HfHIPCIE, mask, val); 224 225 /* check if operation was successful */ 226 ret = snd_sof_dsp_read_poll_timeout(sdev, HDA_DSP_BAR, MTL_DSP_REG_HfHIPCIE, hipcie, 227 (hipcie & mask) == val, 228 HDA_DSP_REG_POLL_INTERVAL_US, HDA_DSP_RESET_TIMEOUT_US); 229 if (ret < 0) { 230 dev_err(sdev->dev, "failed to set Host IPC interrupt %s\n", 231 str_enable_disable(enable)); 232 return ret; 233 } 234 235 return ret; 236 } 237 EXPORT_SYMBOL_NS(mtl_enable_interrupts, "SND_SOC_SOF_INTEL_MTL"); 238 239 /* pre fw run operations */ 240 static int mtl_dsp_pre_fw_run(struct snd_sof_dev *sdev) 241 { 242 struct sof_intel_hda_dev *hdev = sdev->pdata->hw_pdata; 243 u32 dsphfpwrsts; 244 u32 dsphfdsscs; 245 u32 cpa; 246 u32 pgs; 247 int ret; 248 u32 dsppwrctl; 249 u32 dsppwrsts; 250 const struct sof_intel_dsp_desc *chip; 251 252 chip = get_chip_info(sdev->pdata); 253 if (chip->hw_ip_version > SOF_INTEL_ACE_2_0) { 254 dsppwrctl = PTL_HFPWRCTL2; 255 dsppwrsts = PTL_HFPWRSTS2; 256 } else { 257 dsppwrctl = MTL_HFPWRCTL; 258 dsppwrsts = MTL_HFPWRSTS; 259 } 260 261 /* Set the DSP subsystem power on */ 262 snd_sof_dsp_update_bits(sdev, HDA_DSP_BAR, MTL_HFDSSCS, 263 MTL_HFDSSCS_SPA_MASK, MTL_HFDSSCS_SPA_MASK); 264 265 /* Wait for unstable CPA read (1 then 0 then 1) just after setting SPA bit */ 266 usleep_range(1000, 1010); 267 268 /* poll with timeout to check if operation successful */ 269 cpa = MTL_HFDSSCS_CPA_MASK; 270 ret = snd_sof_dsp_read_poll_timeout(sdev, HDA_DSP_BAR, MTL_HFDSSCS, dsphfdsscs, 271 (dsphfdsscs & cpa) == cpa, HDA_DSP_REG_POLL_INTERVAL_US, 272 HDA_DSP_RESET_TIMEOUT_US); 273 if (ret < 0) { 274 dev_err(sdev->dev, "failed to enable DSP subsystem\n"); 275 return ret; 276 } 277 278 /* Power up gated-DSP-0 domain in order to access the DSP shim register block. */ 279 snd_sof_dsp_update_bits(sdev, HDA_DSP_BAR, dsppwrctl, 280 MTL_HFPWRCTL_WPDSPHPXPG, MTL_HFPWRCTL_WPDSPHPXPG); 281 282 usleep_range(1000, 1010); 283 284 /* poll with timeout to check if operation successful */ 285 pgs = MTL_HFPWRSTS_DSPHPXPGS_MASK; 286 ret = snd_sof_dsp_read_poll_timeout(sdev, HDA_DSP_BAR, dsppwrsts, dsphfpwrsts, 287 (dsphfpwrsts & pgs) == pgs, 288 HDA_DSP_REG_POLL_INTERVAL_US, 289 HDA_DSP_RESET_TIMEOUT_US); 290 if (ret < 0) 291 dev_err(sdev->dev, "failed to power up gated DSP domain\n"); 292 293 /* if SoundWire is used, make sure it is not power-gated */ 294 if (hdev->info.handle && hdev->info.link_mask > 0) 295 snd_sof_dsp_update_bits(sdev, HDA_DSP_BAR, MTL_HFPWRCTL, 296 MTL_HfPWRCTL_WPIOXPG(1), MTL_HfPWRCTL_WPIOXPG(1)); 297 298 return ret; 299 } 300 301 static int mtl_dsp_post_fw_run(struct snd_sof_dev *sdev) 302 { 303 int ret; 304 305 if (sdev->first_boot) { 306 struct sof_intel_hda_dev *hdev = sdev->pdata->hw_pdata; 307 308 ret = hda_sdw_startup(sdev); 309 if (ret < 0) { 310 dev_err(sdev->dev, "could not startup SoundWire links\n"); 311 return ret; 312 } 313 314 /* Check if IMR boot is usable */ 315 if (!sof_debug_check_flag(SOF_DBG_IGNORE_D3_PERSISTENT)) { 316 hdev->imrboot_supported = true; 317 debugfs_create_bool("skip_imr_boot", 318 0644, sdev->debugfs_root, 319 &hdev->skip_imr_boot); 320 } 321 } 322 323 hda_sdw_int_enable(sdev, true); 324 return 0; 325 } 326 327 static void mtl_dsp_dump(struct snd_sof_dev *sdev, u32 flags) 328 { 329 char *level = (flags & SOF_DBG_DUMP_OPTIONAL) ? KERN_DEBUG : KERN_ERR; 330 u32 fwsts; 331 u32 fwlec; 332 333 hda_dsp_get_state(sdev, level); 334 fwsts = snd_sof_dsp_read(sdev, HDA_DSP_BAR, MTL_DSP_ROM_STS); 335 fwlec = snd_sof_dsp_read(sdev, HDA_DSP_BAR, MTL_DSP_ROM_ERROR); 336 337 if (fwsts != 0xffffffff) 338 dev_err(sdev->dev, "Firmware state: %#x, status/error code: %#x\n", 339 fwsts, fwlec); 340 341 sof_ipc4_intel_dump_telemetry_state(sdev, flags); 342 } 343 344 static bool mtl_dsp_primary_core_is_enabled(struct snd_sof_dev *sdev) 345 { 346 int val; 347 348 val = snd_sof_dsp_read(sdev, HDA_DSP_BAR, MTL_DSP2CXCTL_PRIMARY_CORE); 349 if (val != U32_MAX && val & MTL_DSP2CXCTL_PRIMARY_CORE_CPA_MASK) 350 return true; 351 352 return false; 353 } 354 355 static int mtl_dsp_core_power_up(struct snd_sof_dev *sdev, int core) 356 { 357 unsigned int cpa; 358 u32 dspcxctl; 359 int ret; 360 361 /* Only the primary core can be powered up by the host */ 362 if (core != SOF_DSP_PRIMARY_CORE || mtl_dsp_primary_core_is_enabled(sdev)) 363 return 0; 364 365 /* Program the owner of the IP & shim registers (10: Host CPU) */ 366 snd_sof_dsp_update_bits(sdev, HDA_DSP_BAR, MTL_DSP2CXCTL_PRIMARY_CORE, 367 MTL_DSP2CXCTL_PRIMARY_CORE_OSEL, 368 0x2 << MTL_DSP2CXCTL_PRIMARY_CORE_OSEL_SHIFT); 369 370 /* enable SPA bit */ 371 snd_sof_dsp_update_bits(sdev, HDA_DSP_BAR, MTL_DSP2CXCTL_PRIMARY_CORE, 372 MTL_DSP2CXCTL_PRIMARY_CORE_SPA_MASK, 373 MTL_DSP2CXCTL_PRIMARY_CORE_SPA_MASK); 374 375 /* Wait for unstable CPA read (1 then 0 then 1) just after setting SPA bit */ 376 usleep_range(1000, 1010); 377 378 /* poll with timeout to check if operation successful */ 379 cpa = MTL_DSP2CXCTL_PRIMARY_CORE_CPA_MASK; 380 ret = snd_sof_dsp_read_poll_timeout(sdev, HDA_DSP_BAR, MTL_DSP2CXCTL_PRIMARY_CORE, dspcxctl, 381 (dspcxctl & cpa) == cpa, HDA_DSP_REG_POLL_INTERVAL_US, 382 HDA_DSP_RESET_TIMEOUT_US); 383 if (ret < 0) { 384 dev_err(sdev->dev, "%s: timeout on MTL_DSP2CXCTL_PRIMARY_CORE read\n", 385 __func__); 386 return ret; 387 } 388 389 /* set primary core mask and refcount to 1 */ 390 sdev->enabled_cores_mask = BIT(SOF_DSP_PRIMARY_CORE); 391 sdev->dsp_core_ref_count[SOF_DSP_PRIMARY_CORE] = 1; 392 393 return 0; 394 } 395 396 static int mtl_dsp_core_power_down(struct snd_sof_dev *sdev, int core) 397 { 398 u32 dspcxctl; 399 int ret; 400 401 /* Only the primary core can be powered down by the host */ 402 if (core != SOF_DSP_PRIMARY_CORE || !mtl_dsp_primary_core_is_enabled(sdev)) 403 return 0; 404 405 /* disable SPA bit */ 406 snd_sof_dsp_update_bits(sdev, HDA_DSP_BAR, MTL_DSP2CXCTL_PRIMARY_CORE, 407 MTL_DSP2CXCTL_PRIMARY_CORE_SPA_MASK, 0); 408 409 /* Wait for unstable CPA read (0 then 1 then 0) just after setting SPA bit */ 410 usleep_range(1000, 1010); 411 412 ret = snd_sof_dsp_read_poll_timeout(sdev, HDA_DSP_BAR, MTL_DSP2CXCTL_PRIMARY_CORE, dspcxctl, 413 !(dspcxctl & MTL_DSP2CXCTL_PRIMARY_CORE_CPA_MASK), 414 HDA_DSP_REG_POLL_INTERVAL_US, 415 HDA_DSP_PD_TIMEOUT * USEC_PER_MSEC); 416 if (ret < 0) { 417 dev_err(sdev->dev, "failed to power down primary core\n"); 418 return ret; 419 } 420 421 sdev->enabled_cores_mask = 0; 422 sdev->dsp_core_ref_count[SOF_DSP_PRIMARY_CORE] = 0; 423 424 return 0; 425 } 426 427 int mtl_power_down_dsp(struct snd_sof_dev *sdev) 428 { 429 u32 dsphfdsscs, cpa; 430 int ret; 431 432 /* first power down core */ 433 ret = mtl_dsp_core_power_down(sdev, SOF_DSP_PRIMARY_CORE); 434 if (ret) { 435 dev_err(sdev->dev, "mtl dsp power down error, %d\n", ret); 436 return ret; 437 } 438 439 /* Set the DSP subsystem power down */ 440 snd_sof_dsp_update_bits(sdev, HDA_DSP_BAR, MTL_HFDSSCS, 441 MTL_HFDSSCS_SPA_MASK, 0); 442 443 /* Wait for unstable CPA read (0 then 1 then 0) just after setting SPA bit */ 444 usleep_range(1000, 1010); 445 446 /* poll with timeout to check if operation successful */ 447 cpa = MTL_HFDSSCS_CPA_MASK; 448 dsphfdsscs = snd_sof_dsp_read(sdev, HDA_DSP_BAR, MTL_HFDSSCS); 449 return snd_sof_dsp_read_poll_timeout(sdev, HDA_DSP_BAR, MTL_HFDSSCS, dsphfdsscs, 450 (dsphfdsscs & cpa) == 0, HDA_DSP_REG_POLL_INTERVAL_US, 451 HDA_DSP_RESET_TIMEOUT_US); 452 } 453 EXPORT_SYMBOL_NS(mtl_power_down_dsp, "SND_SOC_SOF_INTEL_MTL"); 454 455 int mtl_dsp_cl_init(struct snd_sof_dev *sdev, int stream_tag, bool imr_boot) 456 { 457 struct sof_intel_hda_dev *hda = sdev->pdata->hw_pdata; 458 const struct sof_intel_dsp_desc *chip = hda->desc; 459 unsigned int status, target_status; 460 u32 ipc_hdr, flags; 461 char *dump_msg; 462 int ret; 463 464 /* step 1: purge FW request */ 465 ipc_hdr = chip->ipc_req_mask | HDA_DSP_ROM_IPC_CONTROL; 466 if (!imr_boot) 467 ipc_hdr |= HDA_DSP_ROM_IPC_PURGE_FW | ((stream_tag - 1) << 9); 468 469 snd_sof_dsp_write(sdev, HDA_DSP_BAR, chip->ipc_req, ipc_hdr); 470 471 /* step 2: power up primary core */ 472 ret = mtl_dsp_core_power_up(sdev, SOF_DSP_PRIMARY_CORE); 473 if (ret < 0) { 474 if (hda->boot_iteration == HDA_FW_BOOT_ATTEMPTS) 475 dev_err(sdev->dev, "dsp core 0/1 power up failed\n"); 476 goto err; 477 } 478 479 dev_dbg(sdev->dev, "Primary core power up successful\n"); 480 481 /* step 3: wait for IPC DONE bit from ROM */ 482 ret = snd_sof_dsp_read_poll_timeout(sdev, HDA_DSP_BAR, chip->ipc_ack, status, 483 ((status & chip->ipc_ack_mask) == chip->ipc_ack_mask), 484 HDA_DSP_REG_POLL_INTERVAL_US, HDA_DSP_INIT_TIMEOUT_US); 485 if (ret < 0) { 486 if (hda->boot_iteration == HDA_FW_BOOT_ATTEMPTS) 487 dev_err(sdev->dev, "timeout waiting for purge IPC done\n"); 488 goto err; 489 } 490 491 /* set DONE bit to clear the reply IPC message */ 492 snd_sof_dsp_update_bits_forced(sdev, HDA_DSP_BAR, chip->ipc_ack, chip->ipc_ack_mask, 493 chip->ipc_ack_mask); 494 495 /* step 4: enable interrupts */ 496 ret = mtl_enable_interrupts(sdev, true); 497 if (ret < 0) { 498 if (hda->boot_iteration == HDA_FW_BOOT_ATTEMPTS) 499 dev_err(sdev->dev, "%s: failed to enable interrupts\n", __func__); 500 goto err; 501 } 502 503 mtl_enable_ipc_interrupts(sdev); 504 505 if (chip->rom_status_reg == MTL_DSP_ROM_STS) { 506 /* 507 * Workaround: when the ROM status register is pointing to 508 * the SRAM window (MTL_DSP_ROM_STS) the platform cannot catch 509 * ROM_INIT_DONE because of a very short timing window. 510 * Follow the recommendations and skip target state waiting. 511 */ 512 return 0; 513 } 514 515 /* 516 * step 7: 517 * - Cold/Full boot: wait for ROM init to proceed to download the firmware 518 * - IMR boot: wait for ROM firmware entered (firmware booted up from IMR) 519 */ 520 if (imr_boot) 521 target_status = FSR_STATE_FW_ENTERED; 522 else 523 target_status = FSR_STATE_INIT_DONE; 524 525 ret = snd_sof_dsp_read_poll_timeout(sdev, HDA_DSP_BAR, 526 chip->rom_status_reg, status, 527 (FSR_TO_STATE_CODE(status) == target_status), 528 HDA_DSP_REG_POLL_INTERVAL_US, 529 chip->rom_init_timeout * 530 USEC_PER_MSEC); 531 532 if (!ret) 533 return 0; 534 535 if (hda->boot_iteration == HDA_FW_BOOT_ATTEMPTS) 536 dev_err(sdev->dev, 537 "%s: timeout with rom_status_reg (%#x) read\n", 538 __func__, chip->rom_status_reg); 539 540 err: 541 flags = SOF_DBG_DUMP_PCI | SOF_DBG_DUMP_MBOX | SOF_DBG_DUMP_OPTIONAL; 542 543 /* after max boot attempts make sure that the dump is printed */ 544 if (hda->boot_iteration == HDA_FW_BOOT_ATTEMPTS) 545 flags &= ~SOF_DBG_DUMP_OPTIONAL; 546 547 dump_msg = kasprintf(GFP_KERNEL, "Boot iteration failed: %d/%d", 548 hda->boot_iteration, HDA_FW_BOOT_ATTEMPTS); 549 snd_sof_dsp_dbg_dump(sdev, dump_msg, flags); 550 mtl_enable_interrupts(sdev, false); 551 mtl_dsp_core_power_down(sdev, SOF_DSP_PRIMARY_CORE); 552 553 kfree(dump_msg); 554 return ret; 555 } 556 EXPORT_SYMBOL_NS(mtl_dsp_cl_init, "SND_SOC_SOF_INTEL_MTL"); 557 558 static irqreturn_t mtl_ipc_irq_thread(int irq, void *context) 559 { 560 struct sof_ipc4_msg notification_data = {{ 0 }}; 561 struct snd_sof_dev *sdev = context; 562 bool ack_received = false; 563 bool ipc_irq = false; 564 u32 hipcida; 565 u32 hipctdr; 566 567 hipcida = snd_sof_dsp_read(sdev, HDA_DSP_BAR, MTL_DSP_REG_HFIPCXIDA); 568 hipctdr = snd_sof_dsp_read(sdev, HDA_DSP_BAR, MTL_DSP_REG_HFIPCXTDR); 569 570 /* reply message from DSP */ 571 if (hipcida & MTL_DSP_REG_HFIPCXIDA_DONE) { 572 /* DSP received the message */ 573 snd_sof_dsp_update_bits(sdev, HDA_DSP_BAR, MTL_DSP_REG_HFIPCXCTL, 574 MTL_DSP_REG_HFIPCXCTL_DONE, 0); 575 576 mtl_ipc_dsp_done(sdev); 577 578 ipc_irq = true; 579 ack_received = true; 580 } 581 582 if (hipctdr & MTL_DSP_REG_HFIPCXTDR_BUSY) { 583 /* Message from DSP (reply or notification) */ 584 u32 extension = snd_sof_dsp_read(sdev, HDA_DSP_BAR, MTL_DSP_REG_HFIPCXTDDY); 585 u32 primary = hipctdr & MTL_DSP_REG_HFIPCXTDR_MSG_MASK; 586 587 /* 588 * ACE fw sends a new fw ipc message to host to 589 * notify the status of the last host ipc message 590 */ 591 if (primary & SOF_IPC4_MSG_DIR_MASK) { 592 /* Reply received */ 593 if (likely(sdev->fw_state == SOF_FW_BOOT_COMPLETE)) { 594 struct sof_ipc4_msg *data = sdev->ipc->msg.reply_data; 595 596 data->primary = primary; 597 data->extension = extension; 598 599 spin_lock_irq(&sdev->ipc_lock); 600 601 snd_sof_ipc_get_reply(sdev); 602 mtl_ipc_host_done(sdev); 603 snd_sof_ipc_reply(sdev, data->primary); 604 605 spin_unlock_irq(&sdev->ipc_lock); 606 } else { 607 dev_dbg_ratelimited(sdev->dev, 608 "IPC reply before FW_READY: %#x|%#x\n", 609 primary, extension); 610 } 611 } else { 612 /* Notification received */ 613 notification_data.primary = primary; 614 notification_data.extension = extension; 615 616 sdev->ipc->msg.rx_data = ¬ification_data; 617 snd_sof_ipc_msgs_rx(sdev); 618 sdev->ipc->msg.rx_data = NULL; 619 620 mtl_ipc_host_done(sdev); 621 } 622 623 ipc_irq = true; 624 } 625 626 if (!ipc_irq) { 627 /* This interrupt is not shared so no need to return IRQ_NONE. */ 628 dev_dbg_ratelimited(sdev->dev, "nothing to do in IPC IRQ thread\n"); 629 } 630 631 if (ack_received) { 632 struct sof_intel_hda_dev *hdev = sdev->pdata->hw_pdata; 633 634 if (hdev->delayed_ipc_tx_msg) 635 mtl_ipc_send_msg(sdev, hdev->delayed_ipc_tx_msg); 636 } 637 638 return IRQ_HANDLED; 639 } 640 641 static int mtl_dsp_ipc_get_mailbox_offset(struct snd_sof_dev *sdev) 642 { 643 return MTL_DSP_MBOX_UPLINK_OFFSET; 644 } 645 646 static int mtl_dsp_ipc_get_window_offset(struct snd_sof_dev *sdev, u32 id) 647 { 648 return MTL_SRAM_WINDOW_OFFSET(id); 649 } 650 651 static void mtl_ipc_dump(struct snd_sof_dev *sdev) 652 { 653 u32 hipcidr, hipcidd, hipcida, hipctdr, hipctdd, hipctda, hipcctl; 654 655 hipcidr = snd_sof_dsp_read(sdev, HDA_DSP_BAR, MTL_DSP_REG_HFIPCXIDR); 656 hipcidd = snd_sof_dsp_read(sdev, HDA_DSP_BAR, MTL_DSP_REG_HFIPCXIDDY); 657 hipcida = snd_sof_dsp_read(sdev, HDA_DSP_BAR, MTL_DSP_REG_HFIPCXIDA); 658 hipctdr = snd_sof_dsp_read(sdev, HDA_DSP_BAR, MTL_DSP_REG_HFIPCXTDR); 659 hipctdd = snd_sof_dsp_read(sdev, HDA_DSP_BAR, MTL_DSP_REG_HFIPCXTDDY); 660 hipctda = snd_sof_dsp_read(sdev, HDA_DSP_BAR, MTL_DSP_REG_HFIPCXTDA); 661 hipcctl = snd_sof_dsp_read(sdev, HDA_DSP_BAR, MTL_DSP_REG_HFIPCXCTL); 662 663 dev_err(sdev->dev, 664 "Host IPC initiator: %#x|%#x|%#x, target: %#x|%#x|%#x, ctl: %#x\n", 665 hipcidr, hipcidd, hipcida, hipctdr, hipctdd, hipctda, hipcctl); 666 } 667 668 static int mtl_dsp_disable_interrupts(struct snd_sof_dev *sdev) 669 { 670 mtl_enable_sdw_irq(sdev, false); 671 mtl_disable_ipc_interrupts(sdev); 672 return mtl_enable_interrupts(sdev, false); 673 } 674 675 static int mtl_dsp_core_get(struct snd_sof_dev *sdev, int core) 676 { 677 const struct sof_ipc_pm_ops *pm_ops = sdev->ipc->ops->pm; 678 679 if (core == SOF_DSP_PRIMARY_CORE) 680 return mtl_dsp_core_power_up(sdev, SOF_DSP_PRIMARY_CORE); 681 682 if (pm_ops->set_core_state) 683 return pm_ops->set_core_state(sdev, core, true); 684 685 return 0; 686 } 687 688 static int mtl_dsp_core_put(struct snd_sof_dev *sdev, int core) 689 { 690 const struct sof_ipc_pm_ops *pm_ops = sdev->ipc->ops->pm; 691 int ret; 692 693 if (pm_ops->set_core_state) { 694 ret = pm_ops->set_core_state(sdev, core, false); 695 if (ret < 0) 696 return ret; 697 } 698 699 if (core == SOF_DSP_PRIMARY_CORE) 700 return mtl_dsp_core_power_down(sdev, SOF_DSP_PRIMARY_CORE); 701 702 return 0; 703 } 704 705 int sof_mtl_set_ops(struct snd_sof_dev *sdev, struct snd_sof_dsp_ops *dsp_ops) 706 { 707 struct sof_ipc4_fw_data *ipc4_data; 708 709 /* common defaults */ 710 memcpy(dsp_ops, &sof_hda_common_ops, sizeof(struct snd_sof_dsp_ops)); 711 712 /* shutdown */ 713 dsp_ops->shutdown = hda_dsp_shutdown; 714 715 /* doorbell */ 716 dsp_ops->irq_thread = mtl_ipc_irq_thread; 717 718 /* ipc */ 719 dsp_ops->send_msg = mtl_ipc_send_msg; 720 dsp_ops->get_mailbox_offset = mtl_dsp_ipc_get_mailbox_offset; 721 dsp_ops->get_window_offset = mtl_dsp_ipc_get_window_offset; 722 723 /* debug */ 724 dsp_ops->debug_map = mtl_dsp_debugfs; 725 dsp_ops->debug_map_count = ARRAY_SIZE(mtl_dsp_debugfs); 726 dsp_ops->dbg_dump = mtl_dsp_dump; 727 dsp_ops->ipc_dump = mtl_ipc_dump; 728 729 /* pre/post fw run */ 730 dsp_ops->pre_fw_run = mtl_dsp_pre_fw_run; 731 dsp_ops->post_fw_run = mtl_dsp_post_fw_run; 732 733 /* parse platform specific extended manifest */ 734 dsp_ops->parse_platform_ext_manifest = NULL; 735 736 /* dsp core get/put */ 737 dsp_ops->core_get = mtl_dsp_core_get; 738 dsp_ops->core_put = mtl_dsp_core_put; 739 740 sdev->private = kzalloc(sizeof(struct sof_ipc4_fw_data), GFP_KERNEL); 741 if (!sdev->private) 742 return -ENOMEM; 743 744 ipc4_data = sdev->private; 745 ipc4_data->manifest_fw_hdr_offset = SOF_MAN4_FW_HDR_OFFSET; 746 747 ipc4_data->mtrace_type = SOF_IPC4_MTRACE_INTEL_CAVS_2; 748 749 ipc4_data->fw_context_save = true; 750 751 /* External library loading support */ 752 ipc4_data->load_library = hda_dsp_ipc4_load_library; 753 754 dsp_ops->set_power_state = hda_dsp_set_power_state_ipc4; 755 756 /* set DAI ops */ 757 hda_set_dai_drv_ops(sdev, dsp_ops); 758 759 return 0; 760 } 761 EXPORT_SYMBOL_NS(sof_mtl_set_ops, "SND_SOC_SOF_INTEL_MTL"); 762 763 const struct sof_intel_dsp_desc mtl_chip_info = { 764 .cores_num = 3, 765 .init_core_mask = BIT(0), 766 .host_managed_cores_mask = BIT(0), 767 .ipc_req = MTL_DSP_REG_HFIPCXIDR, 768 .ipc_req_mask = MTL_DSP_REG_HFIPCXIDR_BUSY, 769 .ipc_ack = MTL_DSP_REG_HFIPCXIDA, 770 .ipc_ack_mask = MTL_DSP_REG_HFIPCXIDA_DONE, 771 .ipc_ctl = MTL_DSP_REG_HFIPCXCTL, 772 .rom_status_reg = MTL_DSP_REG_HFFLGPXQWY, 773 .rom_init_timeout = 300, 774 .ssp_count = MTL_SSP_COUNT, 775 .ssp_base_offset = CNL_SSP_BASE_OFFSET, 776 .sdw_shim_base = SDW_SHIM_BASE_ACE, 777 .sdw_alh_base = SDW_ALH_BASE_ACE, 778 .d0i3_offset = MTL_HDA_VS_D0I3C, 779 .read_sdw_lcount = hda_sdw_check_lcount_common, 780 .enable_sdw_irq = mtl_enable_sdw_irq, 781 .check_sdw_irq = mtl_dsp_check_sdw_irq, 782 .check_sdw_wakeen_irq = hda_sdw_check_wakeen_irq_common, 783 .sdw_process_wakeen = hda_sdw_process_wakeen_common, 784 .check_ipc_irq = mtl_dsp_check_ipc_irq, 785 .cl_init = mtl_dsp_cl_init, 786 .power_down_dsp = mtl_power_down_dsp, 787 .disable_interrupts = mtl_dsp_disable_interrupts, 788 .hw_ip_version = SOF_INTEL_ACE_1_0, 789 }; 790 791 const struct sof_intel_dsp_desc arl_s_chip_info = { 792 .cores_num = 2, 793 .init_core_mask = BIT(0), 794 .host_managed_cores_mask = BIT(0), 795 .ipc_req = MTL_DSP_REG_HFIPCXIDR, 796 .ipc_req_mask = MTL_DSP_REG_HFIPCXIDR_BUSY, 797 .ipc_ack = MTL_DSP_REG_HFIPCXIDA, 798 .ipc_ack_mask = MTL_DSP_REG_HFIPCXIDA_DONE, 799 .ipc_ctl = MTL_DSP_REG_HFIPCXCTL, 800 .rom_status_reg = MTL_DSP_REG_HFFLGPXQWY, 801 .rom_init_timeout = 300, 802 .ssp_count = MTL_SSP_COUNT, 803 .ssp_base_offset = CNL_SSP_BASE_OFFSET, 804 .sdw_shim_base = SDW_SHIM_BASE_ACE, 805 .sdw_alh_base = SDW_ALH_BASE_ACE, 806 .d0i3_offset = MTL_HDA_VS_D0I3C, 807 .read_sdw_lcount = hda_sdw_check_lcount_common, 808 .enable_sdw_irq = mtl_enable_sdw_irq, 809 .check_sdw_irq = mtl_dsp_check_sdw_irq, 810 .check_sdw_wakeen_irq = hda_sdw_check_wakeen_irq_common, 811 .sdw_process_wakeen = hda_sdw_process_wakeen_common, 812 .check_ipc_irq = mtl_dsp_check_ipc_irq, 813 .cl_init = mtl_dsp_cl_init, 814 .power_down_dsp = mtl_power_down_dsp, 815 .disable_interrupts = mtl_dsp_disable_interrupts, 816 .hw_ip_version = SOF_INTEL_ACE_1_0, 817 }; 818