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 <sound/sof/ipc4/header.h>
15 #include <trace/events/sof_intel.h>
16 #include "../ipc4-priv.h"
17 #include "../ops.h"
18 #include "hda.h"
19 #include "hda-ipc.h"
20 #include "../sof-audio.h"
21 #include "mtl.h"
22 #include "telemetry.h"
23
24 static const struct snd_sof_debugfs_map mtl_dsp_debugfs[] = {
25 {"hda", HDA_DSP_HDA_BAR, 0, 0x4000, SOF_DEBUGFS_ACCESS_ALWAYS},
26 {"pp", HDA_DSP_PP_BAR, 0, 0x1000, SOF_DEBUGFS_ACCESS_ALWAYS},
27 {"dsp", HDA_DSP_BAR, 0, 0x10000, SOF_DEBUGFS_ACCESS_ALWAYS},
28 {"fw_regs", HDA_DSP_BAR, MTL_SRAM_WINDOW_OFFSET(0), 0x1000, SOF_DEBUGFS_ACCESS_D0_ONLY},
29 };
30
mtl_ipc_host_done(struct snd_sof_dev * sdev)31 static void mtl_ipc_host_done(struct snd_sof_dev *sdev)
32 {
33 /*
34 * clear busy interrupt to tell dsp controller this interrupt has been accepted,
35 * not trigger it again
36 */
37 snd_sof_dsp_update_bits_forced(sdev, HDA_DSP_BAR, MTL_DSP_REG_HFIPCXTDR,
38 MTL_DSP_REG_HFIPCXTDR_BUSY, MTL_DSP_REG_HFIPCXTDR_BUSY);
39 /*
40 * clear busy bit to ack dsp the msg has been processed and send reply msg to dsp
41 */
42 snd_sof_dsp_update_bits_forced(sdev, HDA_DSP_BAR, MTL_DSP_REG_HFIPCXTDA,
43 MTL_DSP_REG_HFIPCXTDA_BUSY, 0);
44 }
45
mtl_ipc_dsp_done(struct snd_sof_dev * sdev)46 static void mtl_ipc_dsp_done(struct snd_sof_dev *sdev)
47 {
48 /*
49 * set DONE bit - tell DSP we have received the reply msg from DSP, and processed it,
50 * don't send more reply to host
51 */
52 snd_sof_dsp_update_bits_forced(sdev, HDA_DSP_BAR, MTL_DSP_REG_HFIPCXIDA,
53 MTL_DSP_REG_HFIPCXIDA_DONE, MTL_DSP_REG_HFIPCXIDA_DONE);
54
55 /* unmask Done interrupt */
56 snd_sof_dsp_update_bits(sdev, HDA_DSP_BAR, MTL_DSP_REG_HFIPCXCTL,
57 MTL_DSP_REG_HFIPCXCTL_DONE, MTL_DSP_REG_HFIPCXCTL_DONE);
58 }
59
60 /* Check if an IPC IRQ occurred */
mtl_dsp_check_ipc_irq(struct snd_sof_dev * sdev)61 bool mtl_dsp_check_ipc_irq(struct snd_sof_dev *sdev)
62 {
63 u32 irq_status;
64 u32 hfintipptr;
65
66 if (sdev->dspless_mode_selected)
67 return false;
68
69 /* read Interrupt IP Pointer */
70 hfintipptr = snd_sof_dsp_read(sdev, HDA_DSP_BAR, MTL_HFINTIPPTR) & MTL_HFINTIPPTR_PTR_MASK;
71 irq_status = snd_sof_dsp_read(sdev, HDA_DSP_BAR, hfintipptr + MTL_DSP_IRQSTS);
72
73 trace_sof_intel_hda_irq_ipc_check(sdev, irq_status);
74
75 if (irq_status != U32_MAX && (irq_status & MTL_DSP_IRQSTS_IPC))
76 return true;
77
78 return false;
79 }
80 EXPORT_SYMBOL_NS(mtl_dsp_check_ipc_irq, "SND_SOC_SOF_INTEL_MTL");
81
82 /* Check if an SDW IRQ occurred */
mtl_dsp_check_sdw_irq(struct snd_sof_dev * sdev)83 static bool mtl_dsp_check_sdw_irq(struct snd_sof_dev *sdev)
84 {
85 u32 irq_status;
86 u32 hfintipptr;
87
88 /* read Interrupt IP Pointer */
89 hfintipptr = snd_sof_dsp_read(sdev, HDA_DSP_BAR, MTL_HFINTIPPTR) & MTL_HFINTIPPTR_PTR_MASK;
90 irq_status = snd_sof_dsp_read(sdev, HDA_DSP_BAR, hfintipptr + MTL_DSP_IRQSTS);
91
92 if (irq_status != U32_MAX && (irq_status & MTL_DSP_IRQSTS_SDW))
93 return true;
94
95 return false;
96 }
97
mtl_ipc_send_msg(struct snd_sof_dev * sdev,struct snd_sof_ipc_msg * msg)98 int mtl_ipc_send_msg(struct snd_sof_dev *sdev, struct snd_sof_ipc_msg *msg)
99 {
100 struct sof_intel_hda_dev *hdev = sdev->pdata->hw_pdata;
101 struct sof_ipc4_msg *msg_data = msg->msg_data;
102
103 if (hda_ipc4_tx_is_busy(sdev)) {
104 hdev->delayed_ipc_tx_msg = msg;
105 return 0;
106 }
107
108 hdev->delayed_ipc_tx_msg = NULL;
109
110 /* send the message via mailbox */
111 if (msg_data->data_size)
112 sof_mailbox_write(sdev, sdev->host_box.offset, msg_data->data_ptr,
113 msg_data->data_size);
114
115 snd_sof_dsp_write(sdev, HDA_DSP_BAR, MTL_DSP_REG_HFIPCXIDDY,
116 msg_data->extension);
117 snd_sof_dsp_write(sdev, HDA_DSP_BAR, MTL_DSP_REG_HFIPCXIDR,
118 msg_data->primary | MTL_DSP_REG_HFIPCXIDR_BUSY);
119
120 hda_dsp_ipc4_schedule_d0i3_work(hdev, msg);
121
122 return 0;
123 }
124 EXPORT_SYMBOL_NS(mtl_ipc_send_msg, "SND_SOC_SOF_INTEL_MTL");
125
mtl_enable_ipc_interrupts(struct snd_sof_dev * sdev)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
mtl_disable_ipc_interrupts(struct snd_sof_dev * sdev)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
mtl_enable_sdw_irq(struct snd_sof_dev * sdev,bool enable)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 enable ? "enable" : "disable");
180 }
181
mtl_enable_interrupts(struct snd_sof_dev * sdev,bool enable)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 enable ? "enable" : "disable");
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 enable ? "enable" : "disable");
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 */
mtl_dsp_pre_fw_run(struct snd_sof_dev * sdev)240 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 EXPORT_SYMBOL_NS(mtl_dsp_pre_fw_run, "SND_SOC_SOF_INTEL_MTL");
301
mtl_dsp_post_fw_run(struct snd_sof_dev * sdev)302 int mtl_dsp_post_fw_run(struct snd_sof_dev *sdev)
303 {
304 int ret;
305
306 if (sdev->first_boot) {
307 struct sof_intel_hda_dev *hdev = sdev->pdata->hw_pdata;
308
309 ret = hda_sdw_startup(sdev);
310 if (ret < 0) {
311 dev_err(sdev->dev, "could not startup SoundWire links\n");
312 return ret;
313 }
314
315 /* Check if IMR boot is usable */
316 if (!sof_debug_check_flag(SOF_DBG_IGNORE_D3_PERSISTENT)) {
317 hdev->imrboot_supported = true;
318 debugfs_create_bool("skip_imr_boot",
319 0644, sdev->debugfs_root,
320 &hdev->skip_imr_boot);
321 }
322 }
323
324 hda_sdw_int_enable(sdev, true);
325 return 0;
326 }
327 EXPORT_SYMBOL_NS(mtl_dsp_post_fw_run, "SND_SOC_SOF_INTEL_MTL");
328
mtl_dsp_dump(struct snd_sof_dev * sdev,u32 flags)329 void mtl_dsp_dump(struct snd_sof_dev *sdev, u32 flags)
330 {
331 char *level = (flags & SOF_DBG_DUMP_OPTIONAL) ? KERN_DEBUG : KERN_ERR;
332 u32 fwsts;
333 u32 fwlec;
334
335 hda_dsp_get_state(sdev, level);
336 fwsts = snd_sof_dsp_read(sdev, HDA_DSP_BAR, MTL_DSP_ROM_STS);
337 fwlec = snd_sof_dsp_read(sdev, HDA_DSP_BAR, MTL_DSP_ROM_ERROR);
338
339 if (fwsts != 0xffffffff)
340 dev_err(sdev->dev, "Firmware state: %#x, status/error code: %#x\n",
341 fwsts, fwlec);
342
343 sof_ipc4_intel_dump_telemetry_state(sdev, flags);
344 }
345 EXPORT_SYMBOL_NS(mtl_dsp_dump, "SND_SOC_SOF_INTEL_MTL");
346
mtl_dsp_primary_core_is_enabled(struct snd_sof_dev * sdev)347 static bool mtl_dsp_primary_core_is_enabled(struct snd_sof_dev *sdev)
348 {
349 int val;
350
351 val = snd_sof_dsp_read(sdev, HDA_DSP_BAR, MTL_DSP2CXCTL_PRIMARY_CORE);
352 if (val != U32_MAX && val & MTL_DSP2CXCTL_PRIMARY_CORE_CPA_MASK)
353 return true;
354
355 return false;
356 }
357
mtl_dsp_core_power_up(struct snd_sof_dev * sdev,int core)358 static int mtl_dsp_core_power_up(struct snd_sof_dev *sdev, int core)
359 {
360 unsigned int cpa;
361 u32 dspcxctl;
362 int ret;
363
364 /* Only the primary core can be powered up by the host */
365 if (core != SOF_DSP_PRIMARY_CORE || mtl_dsp_primary_core_is_enabled(sdev))
366 return 0;
367
368 /* Program the owner of the IP & shim registers (10: Host CPU) */
369 snd_sof_dsp_update_bits(sdev, HDA_DSP_BAR, MTL_DSP2CXCTL_PRIMARY_CORE,
370 MTL_DSP2CXCTL_PRIMARY_CORE_OSEL,
371 0x2 << MTL_DSP2CXCTL_PRIMARY_CORE_OSEL_SHIFT);
372
373 /* enable SPA bit */
374 snd_sof_dsp_update_bits(sdev, HDA_DSP_BAR, MTL_DSP2CXCTL_PRIMARY_CORE,
375 MTL_DSP2CXCTL_PRIMARY_CORE_SPA_MASK,
376 MTL_DSP2CXCTL_PRIMARY_CORE_SPA_MASK);
377
378 /* Wait for unstable CPA read (1 then 0 then 1) just after setting SPA bit */
379 usleep_range(1000, 1010);
380
381 /* poll with timeout to check if operation successful */
382 cpa = MTL_DSP2CXCTL_PRIMARY_CORE_CPA_MASK;
383 ret = snd_sof_dsp_read_poll_timeout(sdev, HDA_DSP_BAR, MTL_DSP2CXCTL_PRIMARY_CORE, dspcxctl,
384 (dspcxctl & cpa) == cpa, HDA_DSP_REG_POLL_INTERVAL_US,
385 HDA_DSP_RESET_TIMEOUT_US);
386 if (ret < 0) {
387 dev_err(sdev->dev, "%s: timeout on MTL_DSP2CXCTL_PRIMARY_CORE read\n",
388 __func__);
389 return ret;
390 }
391
392 /* set primary core mask and refcount to 1 */
393 sdev->enabled_cores_mask = BIT(SOF_DSP_PRIMARY_CORE);
394 sdev->dsp_core_ref_count[SOF_DSP_PRIMARY_CORE] = 1;
395
396 return 0;
397 }
398
mtl_dsp_core_power_down(struct snd_sof_dev * sdev,int core)399 static int mtl_dsp_core_power_down(struct snd_sof_dev *sdev, int core)
400 {
401 u32 dspcxctl;
402 int ret;
403
404 /* Only the primary core can be powered down by the host */
405 if (core != SOF_DSP_PRIMARY_CORE || !mtl_dsp_primary_core_is_enabled(sdev))
406 return 0;
407
408 /* disable SPA bit */
409 snd_sof_dsp_update_bits(sdev, HDA_DSP_BAR, MTL_DSP2CXCTL_PRIMARY_CORE,
410 MTL_DSP2CXCTL_PRIMARY_CORE_SPA_MASK, 0);
411
412 /* Wait for unstable CPA read (0 then 1 then 0) just after setting SPA bit */
413 usleep_range(1000, 1010);
414
415 ret = snd_sof_dsp_read_poll_timeout(sdev, HDA_DSP_BAR, MTL_DSP2CXCTL_PRIMARY_CORE, dspcxctl,
416 !(dspcxctl & MTL_DSP2CXCTL_PRIMARY_CORE_CPA_MASK),
417 HDA_DSP_REG_POLL_INTERVAL_US,
418 HDA_DSP_PD_TIMEOUT * USEC_PER_MSEC);
419 if (ret < 0) {
420 dev_err(sdev->dev, "failed to power down primary core\n");
421 return ret;
422 }
423
424 sdev->enabled_cores_mask = 0;
425 sdev->dsp_core_ref_count[SOF_DSP_PRIMARY_CORE] = 0;
426
427 return 0;
428 }
429
mtl_power_down_dsp(struct snd_sof_dev * sdev)430 int mtl_power_down_dsp(struct snd_sof_dev *sdev)
431 {
432 u32 dsphfdsscs, cpa;
433 int ret;
434
435 /* first power down core */
436 ret = mtl_dsp_core_power_down(sdev, SOF_DSP_PRIMARY_CORE);
437 if (ret) {
438 dev_err(sdev->dev, "mtl dsp power down error, %d\n", ret);
439 return ret;
440 }
441
442 /* Set the DSP subsystem power down */
443 snd_sof_dsp_update_bits(sdev, HDA_DSP_BAR, MTL_HFDSSCS,
444 MTL_HFDSSCS_SPA_MASK, 0);
445
446 /* Wait for unstable CPA read (0 then 1 then 0) just after setting SPA bit */
447 usleep_range(1000, 1010);
448
449 /* poll with timeout to check if operation successful */
450 cpa = MTL_HFDSSCS_CPA_MASK;
451 dsphfdsscs = snd_sof_dsp_read(sdev, HDA_DSP_BAR, MTL_HFDSSCS);
452 return snd_sof_dsp_read_poll_timeout(sdev, HDA_DSP_BAR, MTL_HFDSSCS, dsphfdsscs,
453 (dsphfdsscs & cpa) == 0, HDA_DSP_REG_POLL_INTERVAL_US,
454 HDA_DSP_RESET_TIMEOUT_US);
455 }
456 EXPORT_SYMBOL_NS(mtl_power_down_dsp, "SND_SOC_SOF_INTEL_MTL");
457
mtl_dsp_cl_init(struct snd_sof_dev * sdev,int stream_tag,bool imr_boot)458 int mtl_dsp_cl_init(struct snd_sof_dev *sdev, int stream_tag, bool imr_boot)
459 {
460 struct sof_intel_hda_dev *hda = sdev->pdata->hw_pdata;
461 const struct sof_intel_dsp_desc *chip = hda->desc;
462 unsigned int status, target_status;
463 u32 ipc_hdr, flags;
464 char *dump_msg;
465 int ret;
466
467 /* step 1: purge FW request */
468 ipc_hdr = chip->ipc_req_mask | HDA_DSP_ROM_IPC_CONTROL;
469 if (!imr_boot)
470 ipc_hdr |= HDA_DSP_ROM_IPC_PURGE_FW | ((stream_tag - 1) << 9);
471
472 snd_sof_dsp_write(sdev, HDA_DSP_BAR, chip->ipc_req, ipc_hdr);
473
474 /* step 2: power up primary core */
475 ret = mtl_dsp_core_power_up(sdev, SOF_DSP_PRIMARY_CORE);
476 if (ret < 0) {
477 if (hda->boot_iteration == HDA_FW_BOOT_ATTEMPTS)
478 dev_err(sdev->dev, "dsp core 0/1 power up failed\n");
479 goto err;
480 }
481
482 dev_dbg(sdev->dev, "Primary core power up successful\n");
483
484 /* step 3: wait for IPC DONE bit from ROM */
485 ret = snd_sof_dsp_read_poll_timeout(sdev, HDA_DSP_BAR, chip->ipc_ack, status,
486 ((status & chip->ipc_ack_mask) == chip->ipc_ack_mask),
487 HDA_DSP_REG_POLL_INTERVAL_US, HDA_DSP_INIT_TIMEOUT_US);
488 if (ret < 0) {
489 if (hda->boot_iteration == HDA_FW_BOOT_ATTEMPTS)
490 dev_err(sdev->dev, "timeout waiting for purge IPC done\n");
491 goto err;
492 }
493
494 /* set DONE bit to clear the reply IPC message */
495 snd_sof_dsp_update_bits_forced(sdev, HDA_DSP_BAR, chip->ipc_ack, chip->ipc_ack_mask,
496 chip->ipc_ack_mask);
497
498 /* step 4: enable interrupts */
499 ret = mtl_enable_interrupts(sdev, true);
500 if (ret < 0) {
501 if (hda->boot_iteration == HDA_FW_BOOT_ATTEMPTS)
502 dev_err(sdev->dev, "%s: failed to enable interrupts\n", __func__);
503 goto err;
504 }
505
506 mtl_enable_ipc_interrupts(sdev);
507
508 if (chip->rom_status_reg == MTL_DSP_ROM_STS) {
509 /*
510 * Workaround: when the ROM status register is pointing to
511 * the SRAM window (MTL_DSP_ROM_STS) the platform cannot catch
512 * ROM_INIT_DONE because of a very short timing window.
513 * Follow the recommendations and skip target state waiting.
514 */
515 return 0;
516 }
517
518 /*
519 * step 7:
520 * - Cold/Full boot: wait for ROM init to proceed to download the firmware
521 * - IMR boot: wait for ROM firmware entered (firmware booted up from IMR)
522 */
523 if (imr_boot)
524 target_status = FSR_STATE_FW_ENTERED;
525 else
526 target_status = FSR_STATE_INIT_DONE;
527
528 ret = snd_sof_dsp_read_poll_timeout(sdev, HDA_DSP_BAR,
529 chip->rom_status_reg, status,
530 (FSR_TO_STATE_CODE(status) == target_status),
531 HDA_DSP_REG_POLL_INTERVAL_US,
532 chip->rom_init_timeout *
533 USEC_PER_MSEC);
534
535 if (!ret)
536 return 0;
537
538 if (hda->boot_iteration == HDA_FW_BOOT_ATTEMPTS)
539 dev_err(sdev->dev,
540 "%s: timeout with rom_status_reg (%#x) read\n",
541 __func__, chip->rom_status_reg);
542
543 err:
544 flags = SOF_DBG_DUMP_PCI | SOF_DBG_DUMP_MBOX | SOF_DBG_DUMP_OPTIONAL;
545
546 /* after max boot attempts make sure that the dump is printed */
547 if (hda->boot_iteration == HDA_FW_BOOT_ATTEMPTS)
548 flags &= ~SOF_DBG_DUMP_OPTIONAL;
549
550 dump_msg = kasprintf(GFP_KERNEL, "Boot iteration failed: %d/%d",
551 hda->boot_iteration, HDA_FW_BOOT_ATTEMPTS);
552 snd_sof_dsp_dbg_dump(sdev, dump_msg, flags);
553 mtl_enable_interrupts(sdev, false);
554 mtl_dsp_core_power_down(sdev, SOF_DSP_PRIMARY_CORE);
555
556 kfree(dump_msg);
557 return ret;
558 }
559 EXPORT_SYMBOL_NS(mtl_dsp_cl_init, "SND_SOC_SOF_INTEL_MTL");
560
mtl_ipc_irq_thread(int irq,void * context)561 irqreturn_t mtl_ipc_irq_thread(int irq, void *context)
562 {
563 struct sof_ipc4_msg notification_data = {{ 0 }};
564 struct snd_sof_dev *sdev = context;
565 bool ack_received = false;
566 bool ipc_irq = false;
567 u32 hipcida;
568 u32 hipctdr;
569
570 hipcida = snd_sof_dsp_read(sdev, HDA_DSP_BAR, MTL_DSP_REG_HFIPCXIDA);
571 hipctdr = snd_sof_dsp_read(sdev, HDA_DSP_BAR, MTL_DSP_REG_HFIPCXTDR);
572
573 /* reply message from DSP */
574 if (hipcida & MTL_DSP_REG_HFIPCXIDA_DONE) {
575 /* DSP received the message */
576 snd_sof_dsp_update_bits(sdev, HDA_DSP_BAR, MTL_DSP_REG_HFIPCXCTL,
577 MTL_DSP_REG_HFIPCXCTL_DONE, 0);
578
579 mtl_ipc_dsp_done(sdev);
580
581 ipc_irq = true;
582 ack_received = true;
583 }
584
585 if (hipctdr & MTL_DSP_REG_HFIPCXTDR_BUSY) {
586 /* Message from DSP (reply or notification) */
587 u32 extension = snd_sof_dsp_read(sdev, HDA_DSP_BAR, MTL_DSP_REG_HFIPCXTDDY);
588 u32 primary = hipctdr & MTL_DSP_REG_HFIPCXTDR_MSG_MASK;
589
590 /*
591 * ACE fw sends a new fw ipc message to host to
592 * notify the status of the last host ipc message
593 */
594 if (primary & SOF_IPC4_MSG_DIR_MASK) {
595 /* Reply received */
596 if (likely(sdev->fw_state == SOF_FW_BOOT_COMPLETE)) {
597 struct sof_ipc4_msg *data = sdev->ipc->msg.reply_data;
598
599 data->primary = primary;
600 data->extension = extension;
601
602 spin_lock_irq(&sdev->ipc_lock);
603
604 snd_sof_ipc_get_reply(sdev);
605 mtl_ipc_host_done(sdev);
606 snd_sof_ipc_reply(sdev, data->primary);
607
608 spin_unlock_irq(&sdev->ipc_lock);
609 } else {
610 dev_dbg_ratelimited(sdev->dev,
611 "IPC reply before FW_READY: %#x|%#x\n",
612 primary, extension);
613 }
614 } else {
615 /* Notification received */
616 notification_data.primary = primary;
617 notification_data.extension = extension;
618
619 sdev->ipc->msg.rx_data = ¬ification_data;
620 snd_sof_ipc_msgs_rx(sdev);
621 sdev->ipc->msg.rx_data = NULL;
622
623 mtl_ipc_host_done(sdev);
624 }
625
626 ipc_irq = true;
627 }
628
629 if (!ipc_irq) {
630 /* This interrupt is not shared so no need to return IRQ_NONE. */
631 dev_dbg_ratelimited(sdev->dev, "nothing to do in IPC IRQ thread\n");
632 }
633
634 if (ack_received) {
635 struct sof_intel_hda_dev *hdev = sdev->pdata->hw_pdata;
636
637 if (hdev->delayed_ipc_tx_msg)
638 mtl_ipc_send_msg(sdev, hdev->delayed_ipc_tx_msg);
639 }
640
641 return IRQ_HANDLED;
642 }
643 EXPORT_SYMBOL_NS(mtl_ipc_irq_thread, "SND_SOC_SOF_INTEL_MTL");
644
mtl_dsp_ipc_get_mailbox_offset(struct snd_sof_dev * sdev)645 int mtl_dsp_ipc_get_mailbox_offset(struct snd_sof_dev *sdev)
646 {
647 return MTL_DSP_MBOX_UPLINK_OFFSET;
648 }
649 EXPORT_SYMBOL_NS(mtl_dsp_ipc_get_mailbox_offset, "SND_SOC_SOF_INTEL_MTL");
650
mtl_dsp_ipc_get_window_offset(struct snd_sof_dev * sdev,u32 id)651 int mtl_dsp_ipc_get_window_offset(struct snd_sof_dev *sdev, u32 id)
652 {
653 return MTL_SRAM_WINDOW_OFFSET(id);
654 }
655 EXPORT_SYMBOL_NS(mtl_dsp_ipc_get_window_offset, "SND_SOC_SOF_INTEL_MTL");
656
mtl_ipc_dump(struct snd_sof_dev * sdev)657 void mtl_ipc_dump(struct snd_sof_dev *sdev)
658 {
659 u32 hipcidr, hipcidd, hipcida, hipctdr, hipctdd, hipctda, hipcctl;
660
661 hipcidr = snd_sof_dsp_read(sdev, HDA_DSP_BAR, MTL_DSP_REG_HFIPCXIDR);
662 hipcidd = snd_sof_dsp_read(sdev, HDA_DSP_BAR, MTL_DSP_REG_HFIPCXIDDY);
663 hipcida = snd_sof_dsp_read(sdev, HDA_DSP_BAR, MTL_DSP_REG_HFIPCXIDA);
664 hipctdr = snd_sof_dsp_read(sdev, HDA_DSP_BAR, MTL_DSP_REG_HFIPCXTDR);
665 hipctdd = snd_sof_dsp_read(sdev, HDA_DSP_BAR, MTL_DSP_REG_HFIPCXTDDY);
666 hipctda = snd_sof_dsp_read(sdev, HDA_DSP_BAR, MTL_DSP_REG_HFIPCXTDA);
667 hipcctl = snd_sof_dsp_read(sdev, HDA_DSP_BAR, MTL_DSP_REG_HFIPCXCTL);
668
669 dev_err(sdev->dev,
670 "Host IPC initiator: %#x|%#x|%#x, target: %#x|%#x|%#x, ctl: %#x\n",
671 hipcidr, hipcidd, hipcida, hipctdr, hipctdd, hipctda, hipcctl);
672 }
673 EXPORT_SYMBOL_NS(mtl_ipc_dump, "SND_SOC_SOF_INTEL_MTL");
674
mtl_dsp_disable_interrupts(struct snd_sof_dev * sdev)675 static int mtl_dsp_disable_interrupts(struct snd_sof_dev *sdev)
676 {
677 mtl_enable_sdw_irq(sdev, false);
678 mtl_disable_ipc_interrupts(sdev);
679 return mtl_enable_interrupts(sdev, false);
680 }
681
mtl_dsp_core_get(struct snd_sof_dev * sdev,int core)682 int mtl_dsp_core_get(struct snd_sof_dev *sdev, int core)
683 {
684 const struct sof_ipc_pm_ops *pm_ops = sdev->ipc->ops->pm;
685
686 if (core == SOF_DSP_PRIMARY_CORE)
687 return mtl_dsp_core_power_up(sdev, SOF_DSP_PRIMARY_CORE);
688
689 if (pm_ops->set_core_state)
690 return pm_ops->set_core_state(sdev, core, true);
691
692 return 0;
693 }
694 EXPORT_SYMBOL_NS(mtl_dsp_core_get, "SND_SOC_SOF_INTEL_MTL");
695
mtl_dsp_core_put(struct snd_sof_dev * sdev,int core)696 int mtl_dsp_core_put(struct snd_sof_dev *sdev, int core)
697 {
698 const struct sof_ipc_pm_ops *pm_ops = sdev->ipc->ops->pm;
699 int ret;
700
701 if (pm_ops->set_core_state) {
702 ret = pm_ops->set_core_state(sdev, core, false);
703 if (ret < 0)
704 return ret;
705 }
706
707 if (core == SOF_DSP_PRIMARY_CORE)
708 return mtl_dsp_core_power_down(sdev, SOF_DSP_PRIMARY_CORE);
709
710 return 0;
711 }
712 EXPORT_SYMBOL_NS(mtl_dsp_core_put, "SND_SOC_SOF_INTEL_MTL");
713
714 /* Meteorlake ops */
715 struct snd_sof_dsp_ops sof_mtl_ops;
716
sof_mtl_ops_init(struct snd_sof_dev * sdev)717 int sof_mtl_ops_init(struct snd_sof_dev *sdev)
718 {
719 struct sof_ipc4_fw_data *ipc4_data;
720
721 /* common defaults */
722 memcpy(&sof_mtl_ops, &sof_hda_common_ops, sizeof(struct snd_sof_dsp_ops));
723
724 /* shutdown */
725 sof_mtl_ops.shutdown = hda_dsp_shutdown;
726
727 /* doorbell */
728 sof_mtl_ops.irq_thread = mtl_ipc_irq_thread;
729
730 /* ipc */
731 sof_mtl_ops.send_msg = mtl_ipc_send_msg;
732 sof_mtl_ops.get_mailbox_offset = mtl_dsp_ipc_get_mailbox_offset;
733 sof_mtl_ops.get_window_offset = mtl_dsp_ipc_get_window_offset;
734
735 /* debug */
736 sof_mtl_ops.debug_map = mtl_dsp_debugfs;
737 sof_mtl_ops.debug_map_count = ARRAY_SIZE(mtl_dsp_debugfs);
738 sof_mtl_ops.dbg_dump = mtl_dsp_dump;
739 sof_mtl_ops.ipc_dump = mtl_ipc_dump;
740
741 /* pre/post fw run */
742 sof_mtl_ops.pre_fw_run = mtl_dsp_pre_fw_run;
743 sof_mtl_ops.post_fw_run = mtl_dsp_post_fw_run;
744
745 /* parse platform specific extended manifest */
746 sof_mtl_ops.parse_platform_ext_manifest = NULL;
747
748 /* dsp core get/put */
749 sof_mtl_ops.core_get = mtl_dsp_core_get;
750 sof_mtl_ops.core_put = mtl_dsp_core_put;
751
752 sdev->private = kzalloc(sizeof(struct sof_ipc4_fw_data), GFP_KERNEL);
753 if (!sdev->private)
754 return -ENOMEM;
755
756 ipc4_data = sdev->private;
757 ipc4_data->manifest_fw_hdr_offset = SOF_MAN4_FW_HDR_OFFSET;
758
759 ipc4_data->mtrace_type = SOF_IPC4_MTRACE_INTEL_CAVS_2;
760
761 ipc4_data->fw_context_save = true;
762
763 /* External library loading support */
764 ipc4_data->load_library = hda_dsp_ipc4_load_library;
765
766 /* set DAI ops */
767 hda_set_dai_drv_ops(sdev, &sof_mtl_ops);
768
769 sof_mtl_ops.set_power_state = hda_dsp_set_power_state_ipc4;
770
771 return 0;
772 };
773
774 const struct sof_intel_dsp_desc mtl_chip_info = {
775 .cores_num = 3,
776 .init_core_mask = BIT(0),
777 .host_managed_cores_mask = BIT(0),
778 .ipc_req = MTL_DSP_REG_HFIPCXIDR,
779 .ipc_req_mask = MTL_DSP_REG_HFIPCXIDR_BUSY,
780 .ipc_ack = MTL_DSP_REG_HFIPCXIDA,
781 .ipc_ack_mask = MTL_DSP_REG_HFIPCXIDA_DONE,
782 .ipc_ctl = MTL_DSP_REG_HFIPCXCTL,
783 .rom_status_reg = MTL_DSP_REG_HFFLGPXQWY,
784 .rom_init_timeout = 300,
785 .ssp_count = MTL_SSP_COUNT,
786 .ssp_base_offset = CNL_SSP_BASE_OFFSET,
787 .sdw_shim_base = SDW_SHIM_BASE_ACE,
788 .sdw_alh_base = SDW_ALH_BASE_ACE,
789 .d0i3_offset = MTL_HDA_VS_D0I3C,
790 .read_sdw_lcount = hda_sdw_check_lcount_common,
791 .enable_sdw_irq = mtl_enable_sdw_irq,
792 .check_sdw_irq = mtl_dsp_check_sdw_irq,
793 .check_sdw_wakeen_irq = hda_sdw_check_wakeen_irq_common,
794 .sdw_process_wakeen = hda_sdw_process_wakeen_common,
795 .check_ipc_irq = mtl_dsp_check_ipc_irq,
796 .cl_init = mtl_dsp_cl_init,
797 .power_down_dsp = mtl_power_down_dsp,
798 .disable_interrupts = mtl_dsp_disable_interrupts,
799 .hw_ip_version = SOF_INTEL_ACE_1_0,
800 };
801
802 const struct sof_intel_dsp_desc arl_s_chip_info = {
803 .cores_num = 2,
804 .init_core_mask = BIT(0),
805 .host_managed_cores_mask = BIT(0),
806 .ipc_req = MTL_DSP_REG_HFIPCXIDR,
807 .ipc_req_mask = MTL_DSP_REG_HFIPCXIDR_BUSY,
808 .ipc_ack = MTL_DSP_REG_HFIPCXIDA,
809 .ipc_ack_mask = MTL_DSP_REG_HFIPCXIDA_DONE,
810 .ipc_ctl = MTL_DSP_REG_HFIPCXCTL,
811 .rom_status_reg = MTL_DSP_REG_HFFLGPXQWY,
812 .rom_init_timeout = 300,
813 .ssp_count = MTL_SSP_COUNT,
814 .ssp_base_offset = CNL_SSP_BASE_OFFSET,
815 .sdw_shim_base = SDW_SHIM_BASE_ACE,
816 .sdw_alh_base = SDW_ALH_BASE_ACE,
817 .d0i3_offset = MTL_HDA_VS_D0I3C,
818 .read_sdw_lcount = hda_sdw_check_lcount_common,
819 .enable_sdw_irq = mtl_enable_sdw_irq,
820 .check_sdw_irq = mtl_dsp_check_sdw_irq,
821 .check_sdw_wakeen_irq = hda_sdw_check_wakeen_irq_common,
822 .sdw_process_wakeen = hda_sdw_process_wakeen_common,
823 .check_ipc_irq = mtl_dsp_check_ipc_irq,
824 .cl_init = mtl_dsp_cl_init,
825 .power_down_dsp = mtl_power_down_dsp,
826 .disable_interrupts = mtl_dsp_disable_interrupts,
827 .hw_ip_version = SOF_INTEL_ACE_1_0,
828 };
829