xref: /openbmc/linux/sound/soc/sof/intel/mtl.c (revision ae6385af)
1 // SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause)
2 //
3 // Copyright(c) 2022 Intel Corporation. All rights reserved.
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/firmware.h>
13 #include <sound/sof/ipc4/header.h>
14 #include <trace/events/sof_intel.h>
15 #include "../ipc4-priv.h"
16 #include "../ops.h"
17 #include "hda.h"
18 #include "hda-ipc.h"
19 #include "../sof-audio.h"
20 #include "mtl.h"
21 
22 static const struct snd_sof_debugfs_map mtl_dsp_debugfs[] = {
23 	{"hda", HDA_DSP_HDA_BAR, 0, 0x4000, SOF_DEBUGFS_ACCESS_ALWAYS},
24 	{"pp", HDA_DSP_PP_BAR,  0, 0x1000, SOF_DEBUGFS_ACCESS_ALWAYS},
25 	{"dsp", HDA_DSP_BAR,  0, 0x10000, SOF_DEBUGFS_ACCESS_ALWAYS},
26 };
27 
28 static void mtl_ipc_host_done(struct snd_sof_dev *sdev)
29 {
30 	/*
31 	 * clear busy interrupt to tell dsp controller this interrupt has been accepted,
32 	 * not trigger it again
33 	 */
34 	snd_sof_dsp_update_bits_forced(sdev, HDA_DSP_BAR, MTL_DSP_REG_HFIPCXTDR,
35 				       MTL_DSP_REG_HFIPCXTDR_BUSY, MTL_DSP_REG_HFIPCXTDR_BUSY);
36 	/*
37 	 * clear busy bit to ack dsp the msg has been processed and send reply msg to dsp
38 	 */
39 	snd_sof_dsp_update_bits_forced(sdev, HDA_DSP_BAR, MTL_DSP_REG_HFIPCXTDA,
40 				       MTL_DSP_REG_HFIPCXTDA_BUSY, 0);
41 }
42 
43 static void mtl_ipc_dsp_done(struct snd_sof_dev *sdev)
44 {
45 	/*
46 	 * set DONE bit - tell DSP we have received the reply msg from DSP, and processed it,
47 	 * don't send more reply to host
48 	 */
49 	snd_sof_dsp_update_bits_forced(sdev, HDA_DSP_BAR, MTL_DSP_REG_HFIPCXIDA,
50 				       MTL_DSP_REG_HFIPCXIDA_DONE, MTL_DSP_REG_HFIPCXIDA_DONE);
51 
52 	/* unmask Done interrupt */
53 	snd_sof_dsp_update_bits(sdev, HDA_DSP_BAR, MTL_DSP_REG_HFIPCXCTL,
54 				MTL_DSP_REG_HFIPCXCTL_DONE, MTL_DSP_REG_HFIPCXCTL_DONE);
55 }
56 
57 /* Check if an IPC IRQ occurred */
58 static bool mtl_dsp_check_ipc_irq(struct snd_sof_dev *sdev)
59 {
60 	u32 irq_status;
61 	u32 hfintipptr;
62 
63 	/* read Interrupt IP Pointer */
64 	hfintipptr = snd_sof_dsp_read(sdev, HDA_DSP_BAR, MTL_HFINTIPPTR) & MTL_HFINTIPPTR_PTR_MASK;
65 	irq_status = snd_sof_dsp_read(sdev, HDA_DSP_BAR, hfintipptr + MTL_DSP_IRQSTS);
66 
67 	trace_sof_intel_hda_irq_ipc_check(sdev, irq_status);
68 
69 	if (irq_status != U32_MAX && (irq_status & MTL_DSP_IRQSTS_IPC))
70 		return true;
71 
72 	return false;
73 }
74 
75 /* Check if an SDW IRQ occurred */
76 static bool mtl_dsp_check_sdw_irq(struct snd_sof_dev *sdev)
77 {
78 	u32 irq_status;
79 	u32 hfintipptr;
80 
81 	/* read Interrupt IP Pointer */
82 	hfintipptr = snd_sof_dsp_read(sdev, HDA_DSP_BAR, MTL_HFINTIPPTR) & MTL_HFINTIPPTR_PTR_MASK;
83 	irq_status = snd_sof_dsp_read(sdev, HDA_DSP_BAR, hfintipptr + MTL_DSP_IRQSTS);
84 
85 	if (irq_status != U32_MAX && (irq_status & MTL_DSP_IRQSTS_SDW))
86 		return true;
87 
88 	return false;
89 }
90 
91 static int mtl_ipc_send_msg(struct snd_sof_dev *sdev, struct snd_sof_ipc_msg *msg)
92 {
93 	struct sof_intel_hda_dev *hdev = sdev->pdata->hw_pdata;
94 	struct sof_ipc4_msg *msg_data = msg->msg_data;
95 
96 	if (hda_ipc4_tx_is_busy(sdev)) {
97 		hdev->delayed_ipc_tx_msg = msg;
98 		return 0;
99 	}
100 
101 	hdev->delayed_ipc_tx_msg = NULL;
102 
103 	/* send the message via mailbox */
104 	if (msg_data->data_size)
105 		sof_mailbox_write(sdev, sdev->host_box.offset, msg_data->data_ptr,
106 				  msg_data->data_size);
107 
108 	snd_sof_dsp_write(sdev, HDA_DSP_BAR, MTL_DSP_REG_HFIPCXIDDY,
109 			  msg_data->extension);
110 	snd_sof_dsp_write(sdev, HDA_DSP_BAR, MTL_DSP_REG_HFIPCXIDR,
111 			  msg_data->primary | MTL_DSP_REG_HFIPCXIDR_BUSY);
112 
113 	hda_dsp_ipc4_schedule_d0i3_work(hdev, msg);
114 
115 	return 0;
116 }
117 
118 static void mtl_enable_ipc_interrupts(struct snd_sof_dev *sdev)
119 {
120 	struct sof_intel_hda_dev *hda = sdev->pdata->hw_pdata;
121 	const struct sof_intel_dsp_desc *chip = hda->desc;
122 
123 	/* enable IPC DONE and BUSY interrupts */
124 	snd_sof_dsp_update_bits(sdev, HDA_DSP_BAR, chip->ipc_ctl,
125 				MTL_DSP_REG_HFIPCXCTL_BUSY | MTL_DSP_REG_HFIPCXCTL_DONE,
126 				MTL_DSP_REG_HFIPCXCTL_BUSY | MTL_DSP_REG_HFIPCXCTL_DONE);
127 }
128 
129 static void mtl_disable_ipc_interrupts(struct snd_sof_dev *sdev)
130 {
131 	struct sof_intel_hda_dev *hda = sdev->pdata->hw_pdata;
132 	const struct sof_intel_dsp_desc *chip = hda->desc;
133 
134 	/* disable 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, 0);
137 }
138 
139 static void mtl_enable_sdw_irq(struct snd_sof_dev *sdev, bool enable)
140 {
141 	u32 hipcie;
142 	u32 mask;
143 	u32 val;
144 	int ret;
145 
146 	/* Enable/Disable SoundWire interrupt */
147 	mask = MTL_DSP_REG_HfSNDWIE_IE_MASK;
148 	if (enable)
149 		val = mask;
150 	else
151 		val = 0;
152 
153 	snd_sof_dsp_update_bits(sdev, HDA_DSP_BAR, MTL_DSP_REG_HfSNDWIE, mask, val);
154 
155 	/* check if operation was successful */
156 	ret = snd_sof_dsp_read_poll_timeout(sdev, HDA_DSP_BAR, MTL_DSP_REG_HfSNDWIE, hipcie,
157 					    (hipcie & mask) == val,
158 					    HDA_DSP_REG_POLL_INTERVAL_US, HDA_DSP_RESET_TIMEOUT_US);
159 	if (ret < 0)
160 		dev_err(sdev->dev, "failed to set SoundWire IPC interrupt %s\n",
161 			enable ? "enable" : "disable");
162 }
163 
164 static int mtl_enable_interrupts(struct snd_sof_dev *sdev, bool enable)
165 {
166 	u32 hfintipptr;
167 	u32 irqinten;
168 	u32 hipcie;
169 	u32 mask;
170 	u32 val;
171 	int ret;
172 
173 	/* read Interrupt IP Pointer */
174 	hfintipptr = snd_sof_dsp_read(sdev, HDA_DSP_BAR, MTL_HFINTIPPTR) & MTL_HFINTIPPTR_PTR_MASK;
175 
176 	/* Enable/Disable Host IPC and SOUNDWIRE */
177 	mask = MTL_IRQ_INTEN_L_HOST_IPC_MASK | MTL_IRQ_INTEN_L_SOUNDWIRE_MASK;
178 	if (enable)
179 		val = mask;
180 	else
181 		val = 0;
182 
183 	snd_sof_dsp_update_bits(sdev, HDA_DSP_BAR, hfintipptr, mask, val);
184 
185 	/* check if operation was successful */
186 	ret = snd_sof_dsp_read_poll_timeout(sdev, HDA_DSP_BAR, hfintipptr, irqinten,
187 					    (irqinten & mask) == val,
188 					    HDA_DSP_REG_POLL_INTERVAL_US, HDA_DSP_RESET_TIMEOUT_US);
189 	if (ret < 0) {
190 		dev_err(sdev->dev, "failed to %s Host IPC and/or SOUNDWIRE\n",
191 			enable ? "enable" : "disable");
192 		return ret;
193 	}
194 
195 	/* Enable/Disable Host IPC interrupt*/
196 	mask = MTL_DSP_REG_HfHIPCIE_IE_MASK;
197 	if (enable)
198 		val = mask;
199 	else
200 		val = 0;
201 
202 	snd_sof_dsp_update_bits(sdev, HDA_DSP_BAR, MTL_DSP_REG_HfHIPCIE, mask, val);
203 
204 	/* check if operation was successful */
205 	ret = snd_sof_dsp_read_poll_timeout(sdev, HDA_DSP_BAR, MTL_DSP_REG_HfHIPCIE, hipcie,
206 					    (hipcie & mask) == val,
207 					    HDA_DSP_REG_POLL_INTERVAL_US, HDA_DSP_RESET_TIMEOUT_US);
208 	if (ret < 0) {
209 		dev_err(sdev->dev, "failed to set Host IPC interrupt %s\n",
210 			enable ? "enable" : "disable");
211 		return ret;
212 	}
213 
214 	return ret;
215 }
216 
217 /* pre fw run operations */
218 static int mtl_dsp_pre_fw_run(struct snd_sof_dev *sdev)
219 {
220 	u32 dsphfpwrsts;
221 	u32 dsphfdsscs;
222 	u32 cpa;
223 	u32 pgs;
224 	int ret;
225 
226 	/* Set the DSP subsystem power on */
227 	snd_sof_dsp_update_bits(sdev, HDA_DSP_BAR, MTL_HFDSSCS,
228 				MTL_HFDSSCS_SPA_MASK, MTL_HFDSSCS_SPA_MASK);
229 
230 	/* Wait for unstable CPA read (1 then 0 then 1) just after setting SPA bit */
231 	usleep_range(1000, 1010);
232 
233 	/* poll with timeout to check if operation successful */
234 	cpa = MTL_HFDSSCS_CPA_MASK;
235 	ret = snd_sof_dsp_read_poll_timeout(sdev, HDA_DSP_BAR, MTL_HFDSSCS, dsphfdsscs,
236 					    (dsphfdsscs & cpa) == cpa, HDA_DSP_REG_POLL_INTERVAL_US,
237 					    HDA_DSP_RESET_TIMEOUT_US);
238 	if (ret < 0) {
239 		dev_err(sdev->dev, "failed to enable DSP subsystem\n");
240 		return ret;
241 	}
242 
243 	/* Power up gated-DSP-0 domain in order to access the DSP shim register block. */
244 	snd_sof_dsp_update_bits(sdev, HDA_DSP_BAR, MTL_HFPWRCTL,
245 				MTL_HFPWRCTL_WPDSPHPXPG, MTL_HFPWRCTL_WPDSPHPXPG);
246 
247 	usleep_range(1000, 1010);
248 
249 	/* poll with timeout to check if operation successful */
250 	pgs = MTL_HFPWRSTS_DSPHPXPGS_MASK;
251 	ret = snd_sof_dsp_read_poll_timeout(sdev, HDA_DSP_BAR, MTL_HFPWRSTS, dsphfpwrsts,
252 					    (dsphfpwrsts & pgs) == pgs,
253 					    HDA_DSP_REG_POLL_INTERVAL_US,
254 					    HDA_DSP_RESET_TIMEOUT_US);
255 	if (ret < 0)
256 		dev_err(sdev->dev, "failed to power up gated DSP domain\n");
257 
258 	/* make sure SoundWire is not power-gated */
259 	snd_sof_dsp_update_bits(sdev, HDA_DSP_HDA_BAR, MTL_HFPWRCTL,
260 				MTL_HfPWRCTL_WPIOXPG(1), MTL_HfPWRCTL_WPIOXPG(1));
261 	return ret;
262 }
263 
264 static int mtl_dsp_post_fw_run(struct snd_sof_dev *sdev)
265 {
266 	int ret;
267 
268 	if (sdev->first_boot) {
269 		struct sof_intel_hda_dev *hdev = sdev->pdata->hw_pdata;
270 
271 		ret = hda_sdw_startup(sdev);
272 		if (ret < 0) {
273 			dev_err(sdev->dev, "could not startup SoundWire links\n");
274 			return ret;
275 		}
276 
277 		/* Check if IMR boot is usable */
278 		if (!sof_debug_check_flag(SOF_DBG_IGNORE_D3_PERSISTENT))
279 			hdev->imrboot_supported = true;
280 	}
281 
282 	hda_sdw_int_enable(sdev, true);
283 	return 0;
284 }
285 
286 static void mtl_dsp_dump(struct snd_sof_dev *sdev, u32 flags)
287 {
288 	char *level = (flags & SOF_DBG_DUMP_OPTIONAL) ? KERN_DEBUG : KERN_ERR;
289 	u32 romdbgsts;
290 	u32 romdbgerr;
291 	u32 fwsts;
292 	u32 fwlec;
293 
294 	fwsts = snd_sof_dsp_read(sdev, HDA_DSP_BAR, MTL_DSP_ROM_STS);
295 	fwlec = snd_sof_dsp_read(sdev, HDA_DSP_BAR, MTL_DSP_ROM_ERROR);
296 	romdbgsts = snd_sof_dsp_read(sdev, HDA_DSP_BAR, MTL_DSP_REG_HFFLGPXQWY);
297 	romdbgerr = snd_sof_dsp_read(sdev, HDA_DSP_BAR, MTL_DSP_REG_HFFLGPXQWY_ERROR);
298 
299 	dev_err(sdev->dev, "ROM status: %#x, ROM error: %#x\n", fwsts, fwlec);
300 	dev_err(sdev->dev, "ROM debug status: %#x, ROM debug error: %#x\n", romdbgsts,
301 		romdbgerr);
302 	romdbgsts = snd_sof_dsp_read(sdev, HDA_DSP_BAR, MTL_DSP_REG_HFFLGPXQWY + 0x8 * 3);
303 	dev_printk(level, sdev->dev, "ROM feature bit%s enabled\n",
304 		   romdbgsts & BIT(24) ? "" : " not");
305 }
306 
307 static bool mtl_dsp_primary_core_is_enabled(struct snd_sof_dev *sdev)
308 {
309 	int val;
310 
311 	val = snd_sof_dsp_read(sdev, HDA_DSP_BAR, MTL_DSP2CXCTL_PRIMARY_CORE);
312 	if (val != U32_MAX && val & MTL_DSP2CXCTL_PRIMARY_CORE_CPA_MASK)
313 		return true;
314 
315 	return false;
316 }
317 
318 static int mtl_dsp_core_power_up(struct snd_sof_dev *sdev, int core)
319 {
320 	unsigned int cpa;
321 	u32 dspcxctl;
322 	int ret;
323 
324 	/* Only the primary core can be powered up by the host */
325 	if (core != SOF_DSP_PRIMARY_CORE || mtl_dsp_primary_core_is_enabled(sdev))
326 		return 0;
327 
328 	/* Program the owner of the IP & shim registers (10: Host CPU) */
329 	snd_sof_dsp_update_bits(sdev, HDA_DSP_BAR, MTL_DSP2CXCTL_PRIMARY_CORE,
330 				MTL_DSP2CXCTL_PRIMARY_CORE_OSEL,
331 				0x2 << MTL_DSP2CXCTL_PRIMARY_CORE_OSEL_SHIFT);
332 
333 	/* enable SPA bit */
334 	snd_sof_dsp_update_bits(sdev, HDA_DSP_BAR, MTL_DSP2CXCTL_PRIMARY_CORE,
335 				MTL_DSP2CXCTL_PRIMARY_CORE_SPA_MASK,
336 				MTL_DSP2CXCTL_PRIMARY_CORE_SPA_MASK);
337 
338 	/* Wait for unstable CPA read (1 then 0 then 1) just after setting SPA bit */
339 	usleep_range(1000, 1010);
340 
341 	/* poll with timeout to check if operation successful */
342 	cpa = MTL_DSP2CXCTL_PRIMARY_CORE_CPA_MASK;
343 	ret = snd_sof_dsp_read_poll_timeout(sdev, HDA_DSP_BAR, MTL_DSP2CXCTL_PRIMARY_CORE, dspcxctl,
344 					    (dspcxctl & cpa) == cpa, HDA_DSP_REG_POLL_INTERVAL_US,
345 					    HDA_DSP_RESET_TIMEOUT_US);
346 	if (ret < 0)
347 		dev_err(sdev->dev, "%s: timeout on MTL_DSP2CXCTL_PRIMARY_CORE read\n",
348 			__func__);
349 
350 	return ret;
351 }
352 
353 static int mtl_dsp_core_power_down(struct snd_sof_dev *sdev, int core)
354 {
355 	u32 dspcxctl;
356 	int ret;
357 
358 	/* Only the primary core can be powered down by the host */
359 	if (core != SOF_DSP_PRIMARY_CORE || !mtl_dsp_primary_core_is_enabled(sdev))
360 		return 0;
361 
362 	/* disable SPA bit */
363 	snd_sof_dsp_update_bits(sdev, HDA_DSP_BAR, MTL_DSP2CXCTL_PRIMARY_CORE,
364 				MTL_DSP2CXCTL_PRIMARY_CORE_SPA_MASK, 0);
365 
366 	/* Wait for unstable CPA read (0 then 1 then 0) just after setting SPA bit */
367 	usleep_range(1000, 1010);
368 
369 	ret = snd_sof_dsp_read_poll_timeout(sdev, HDA_DSP_BAR, MTL_DSP2CXCTL_PRIMARY_CORE, dspcxctl,
370 					    !(dspcxctl & MTL_DSP2CXCTL_PRIMARY_CORE_CPA_MASK),
371 					    HDA_DSP_REG_POLL_INTERVAL_US,
372 					    HDA_DSP_PD_TIMEOUT * USEC_PER_MSEC);
373 	if (ret < 0)
374 		dev_err(sdev->dev, "failed to power down primary core\n");
375 
376 	return ret;
377 }
378 
379 static int mtl_power_down_dsp(struct snd_sof_dev *sdev)
380 {
381 	u32 dsphfdsscs, cpa;
382 	int ret;
383 
384 	/* first power down core */
385 	ret = mtl_dsp_core_power_down(sdev, SOF_DSP_PRIMARY_CORE);
386 	if (ret) {
387 		dev_err(sdev->dev, "mtl dsp power down error, %d\n", ret);
388 		return ret;
389 	}
390 
391 	/* Set the DSP subsystem power down */
392 	snd_sof_dsp_update_bits(sdev, HDA_DSP_BAR, MTL_HFDSSCS,
393 				MTL_HFDSSCS_SPA_MASK, 0);
394 
395 	/* Wait for unstable CPA read (0 then 1 then 0) just after setting SPA bit */
396 	usleep_range(1000, 1010);
397 
398 	/* poll with timeout to check if operation successful */
399 	cpa = MTL_HFDSSCS_CPA_MASK;
400 	dsphfdsscs = snd_sof_dsp_read(sdev, HDA_DSP_BAR, MTL_HFDSSCS);
401 	return snd_sof_dsp_read_poll_timeout(sdev, HDA_DSP_BAR, MTL_HFDSSCS, dsphfdsscs,
402 					     (dsphfdsscs & cpa) == 0, HDA_DSP_REG_POLL_INTERVAL_US,
403 					     HDA_DSP_RESET_TIMEOUT_US);
404 }
405 
406 static int mtl_dsp_cl_init(struct snd_sof_dev *sdev, int stream_tag, bool imr_boot)
407 {
408 	struct sof_intel_hda_dev *hda = sdev->pdata->hw_pdata;
409 	const struct sof_intel_dsp_desc *chip = hda->desc;
410 	unsigned int status;
411 	u32 ipc_hdr;
412 	int ret;
413 
414 	/* step 1: purge FW request */
415 	ipc_hdr = chip->ipc_req_mask | HDA_DSP_ROM_IPC_CONTROL;
416 	if (!imr_boot)
417 		ipc_hdr |= HDA_DSP_ROM_IPC_PURGE_FW | ((stream_tag - 1) << 9);
418 
419 	snd_sof_dsp_write(sdev, HDA_DSP_BAR, chip->ipc_req, ipc_hdr);
420 
421 	/* step 2: power up primary core */
422 	ret = mtl_dsp_core_power_up(sdev, SOF_DSP_PRIMARY_CORE);
423 	if (ret < 0) {
424 		if (hda->boot_iteration == HDA_FW_BOOT_ATTEMPTS)
425 			dev_err(sdev->dev, "dsp core 0/1 power up failed\n");
426 		goto err;
427 	}
428 
429 	dev_dbg(sdev->dev, "Primary core power up successful\n");
430 
431 	/* step 3: wait for IPC DONE bit from ROM */
432 	ret = snd_sof_dsp_read_poll_timeout(sdev, HDA_DSP_BAR, chip->ipc_ack, status,
433 					    ((status & chip->ipc_ack_mask) == chip->ipc_ack_mask),
434 					    HDA_DSP_REG_POLL_INTERVAL_US, MTL_DSP_PURGE_TIMEOUT_US);
435 	if (ret < 0) {
436 		if (hda->boot_iteration == HDA_FW_BOOT_ATTEMPTS)
437 			dev_err(sdev->dev, "timeout waiting for purge IPC done\n");
438 		goto err;
439 	}
440 
441 	/* set DONE bit to clear the reply IPC message */
442 	snd_sof_dsp_update_bits_forced(sdev, HDA_DSP_BAR, chip->ipc_ack, chip->ipc_ack_mask,
443 				       chip->ipc_ack_mask);
444 
445 	/* step 4: enable interrupts */
446 	ret = mtl_enable_interrupts(sdev, true);
447 	if (ret < 0) {
448 		if (hda->boot_iteration == HDA_FW_BOOT_ATTEMPTS)
449 			dev_err(sdev->dev, "%s: failed to enable interrupts\n", __func__);
450 		goto err;
451 	}
452 
453 	mtl_enable_ipc_interrupts(sdev);
454 
455 	/*
456 	 * ACE workaround: don't wait for ROM INIT.
457 	 * The platform cannot catch ROM_INIT_DONE because of a very short
458 	 * timing window. Follow the recommendations and skip this part.
459 	 */
460 
461 	return 0;
462 
463 err:
464 	snd_sof_dsp_dbg_dump(sdev, "MTL DSP init fail", 0);
465 	mtl_dsp_core_power_down(sdev, SOF_DSP_PRIMARY_CORE);
466 	return ret;
467 }
468 
469 static irqreturn_t mtl_ipc_irq_thread(int irq, void *context)
470 {
471 	struct sof_ipc4_msg notification_data = {{ 0 }};
472 	struct snd_sof_dev *sdev = context;
473 	bool ack_received = false;
474 	bool ipc_irq = false;
475 	u32 hipcida;
476 	u32 hipctdr;
477 
478 	hipcida = snd_sof_dsp_read(sdev, HDA_DSP_BAR, MTL_DSP_REG_HFIPCXIDA);
479 	hipctdr = snd_sof_dsp_read(sdev, HDA_DSP_BAR, MTL_DSP_REG_HFIPCXTDR);
480 
481 	/* reply message from DSP */
482 	if (hipcida & MTL_DSP_REG_HFIPCXIDA_DONE) {
483 		/* DSP received the message */
484 		snd_sof_dsp_update_bits(sdev, HDA_DSP_BAR, MTL_DSP_REG_HFIPCXCTL,
485 					MTL_DSP_REG_HFIPCXCTL_DONE, 0);
486 
487 		mtl_ipc_dsp_done(sdev);
488 
489 		ipc_irq = true;
490 		ack_received = true;
491 	}
492 
493 	if (hipctdr & MTL_DSP_REG_HFIPCXTDR_BUSY) {
494 		/* Message from DSP (reply or notification) */
495 		u32 extension = snd_sof_dsp_read(sdev, HDA_DSP_BAR, MTL_DSP_REG_HFIPCXTDDY);
496 		u32 primary = hipctdr & MTL_DSP_REG_HFIPCXTDR_MSG_MASK;
497 
498 		/*
499 		 * ACE fw sends a new fw ipc message to host to
500 		 * notify the status of the last host ipc message
501 		 */
502 		if (primary & SOF_IPC4_MSG_DIR_MASK) {
503 			/* Reply received */
504 			if (likely(sdev->fw_state == SOF_FW_BOOT_COMPLETE)) {
505 				struct sof_ipc4_msg *data = sdev->ipc->msg.reply_data;
506 
507 				data->primary = primary;
508 				data->extension = extension;
509 
510 				spin_lock_irq(&sdev->ipc_lock);
511 
512 				snd_sof_ipc_get_reply(sdev);
513 				mtl_ipc_host_done(sdev);
514 				snd_sof_ipc_reply(sdev, data->primary);
515 
516 				spin_unlock_irq(&sdev->ipc_lock);
517 			} else {
518 				dev_dbg_ratelimited(sdev->dev,
519 						    "IPC reply before FW_READY: %#x|%#x\n",
520 						    primary, extension);
521 			}
522 		} else {
523 			/* Notification received */
524 			notification_data.primary = primary;
525 			notification_data.extension = extension;
526 
527 			sdev->ipc->msg.rx_data = &notification_data;
528 			snd_sof_ipc_msgs_rx(sdev);
529 			sdev->ipc->msg.rx_data = NULL;
530 
531 			mtl_ipc_host_done(sdev);
532 		}
533 
534 		ipc_irq = true;
535 	}
536 
537 	if (!ipc_irq) {
538 		/* This interrupt is not shared so no need to return IRQ_NONE. */
539 		dev_dbg_ratelimited(sdev->dev, "nothing to do in IPC IRQ thread\n");
540 	}
541 
542 	if (ack_received) {
543 		struct sof_intel_hda_dev *hdev = sdev->pdata->hw_pdata;
544 
545 		if (hdev->delayed_ipc_tx_msg)
546 			mtl_ipc_send_msg(sdev, hdev->delayed_ipc_tx_msg);
547 	}
548 
549 	return IRQ_HANDLED;
550 }
551 
552 static int mtl_dsp_ipc_get_mailbox_offset(struct snd_sof_dev *sdev)
553 {
554 	return MTL_DSP_MBOX_UPLINK_OFFSET;
555 }
556 
557 static int mtl_dsp_ipc_get_window_offset(struct snd_sof_dev *sdev, u32 id)
558 {
559 	return MTL_SRAM_WINDOW_OFFSET(id);
560 }
561 
562 static void mtl_ipc_dump(struct snd_sof_dev *sdev)
563 {
564 	u32 hipcidr, hipcidd, hipcida, hipctdr, hipctdd, hipctda, hipcctl;
565 
566 	hipcidr = snd_sof_dsp_read(sdev, HDA_DSP_BAR, MTL_DSP_REG_HFIPCXIDR);
567 	hipcidd = snd_sof_dsp_read(sdev, HDA_DSP_BAR, MTL_DSP_REG_HFIPCXIDDY);
568 	hipcida = snd_sof_dsp_read(sdev, HDA_DSP_BAR, MTL_DSP_REG_HFIPCXIDA);
569 	hipctdr = snd_sof_dsp_read(sdev, HDA_DSP_BAR, MTL_DSP_REG_HFIPCXTDR);
570 	hipctdd = snd_sof_dsp_read(sdev, HDA_DSP_BAR, MTL_DSP_REG_HFIPCXTDDY);
571 	hipctda = snd_sof_dsp_read(sdev, HDA_DSP_BAR, MTL_DSP_REG_HFIPCXTDA);
572 	hipcctl = snd_sof_dsp_read(sdev, HDA_DSP_BAR, MTL_DSP_REG_HFIPCXCTL);
573 
574 	dev_err(sdev->dev,
575 		"Host IPC initiator: %#x|%#x|%#x, target: %#x|%#x|%#x, ctl: %#x\n",
576 		hipcidr, hipcidd, hipcida, hipctdr, hipctdd, hipctda, hipcctl);
577 }
578 
579 static int mtl_dsp_disable_interrupts(struct snd_sof_dev *sdev)
580 {
581 	mtl_enable_sdw_irq(sdev, false);
582 	mtl_disable_ipc_interrupts(sdev);
583 	return mtl_enable_interrupts(sdev, false);
584 }
585 
586 static u64 mtl_dsp_get_stream_hda_link_position(struct snd_sof_dev *sdev,
587 						struct snd_soc_component *component,
588 						struct snd_pcm_substream *substream)
589 {
590 	struct hdac_stream *hstream = substream->runtime->private_data;
591 	u32 llp_l, llp_u;
592 
593 	llp_l = snd_sof_dsp_read(sdev, HDA_DSP_HDA_BAR, MTL_PPLCLLPL(hstream->index));
594 	llp_u = snd_sof_dsp_read(sdev, HDA_DSP_HDA_BAR, MTL_PPLCLLPU(hstream->index));
595 	return ((u64)llp_u << 32) | llp_l;
596 }
597 
598 /* Meteorlake ops */
599 struct snd_sof_dsp_ops sof_mtl_ops;
600 EXPORT_SYMBOL_NS(sof_mtl_ops, SND_SOC_SOF_INTEL_HDA_COMMON);
601 
602 int sof_mtl_ops_init(struct snd_sof_dev *sdev)
603 {
604 	struct sof_ipc4_fw_data *ipc4_data;
605 
606 	/* common defaults */
607 	memcpy(&sof_mtl_ops, &sof_hda_common_ops, sizeof(struct snd_sof_dsp_ops));
608 
609 	/* shutdown */
610 	sof_mtl_ops.shutdown = hda_dsp_shutdown;
611 
612 	/* doorbell */
613 	sof_mtl_ops.irq_thread = mtl_ipc_irq_thread;
614 
615 	/* ipc */
616 	sof_mtl_ops.send_msg = mtl_ipc_send_msg;
617 	sof_mtl_ops.get_mailbox_offset = mtl_dsp_ipc_get_mailbox_offset;
618 	sof_mtl_ops.get_window_offset = mtl_dsp_ipc_get_window_offset;
619 
620 	/* debug */
621 	sof_mtl_ops.debug_map = mtl_dsp_debugfs;
622 	sof_mtl_ops.debug_map_count = ARRAY_SIZE(mtl_dsp_debugfs);
623 	sof_mtl_ops.dbg_dump = mtl_dsp_dump;
624 	sof_mtl_ops.ipc_dump = mtl_ipc_dump;
625 
626 	/* pre/post fw run */
627 	sof_mtl_ops.pre_fw_run = mtl_dsp_pre_fw_run;
628 	sof_mtl_ops.post_fw_run = mtl_dsp_post_fw_run;
629 
630 	/* parse platform specific extended manifest */
631 	sof_mtl_ops.parse_platform_ext_manifest = NULL;
632 
633 	/* dsp core get/put */
634 	/* TODO: add core_get and core_put */
635 
636 	sof_mtl_ops.get_stream_position = mtl_dsp_get_stream_hda_link_position;
637 
638 	sdev->private = devm_kzalloc(sdev->dev, sizeof(struct sof_ipc4_fw_data), GFP_KERNEL);
639 	if (!sdev->private)
640 		return -ENOMEM;
641 
642 	ipc4_data = sdev->private;
643 	ipc4_data->manifest_fw_hdr_offset = SOF_MAN4_FW_HDR_OFFSET;
644 
645 	ipc4_data->mtrace_type = SOF_IPC4_MTRACE_INTEL_CAVS_2;
646 
647 	/* External library loading support */
648 	ipc4_data->load_library = hda_dsp_ipc4_load_library;
649 
650 	/* set DAI ops */
651 	hda_set_dai_drv_ops(sdev, &sof_mtl_ops);
652 
653 	return 0;
654 };
655 EXPORT_SYMBOL_NS(sof_mtl_ops_init, SND_SOC_SOF_INTEL_HDA_COMMON);
656 
657 const struct sof_intel_dsp_desc mtl_chip_info = {
658 	.cores_num = 3,
659 	.init_core_mask = BIT(0),
660 	.host_managed_cores_mask = BIT(0),
661 	.ipc_req = MTL_DSP_REG_HFIPCXIDR,
662 	.ipc_req_mask = MTL_DSP_REG_HFIPCXIDR_BUSY,
663 	.ipc_ack = MTL_DSP_REG_HFIPCXIDA,
664 	.ipc_ack_mask = MTL_DSP_REG_HFIPCXIDA_DONE,
665 	.ipc_ctl = MTL_DSP_REG_HFIPCXCTL,
666 	.rom_status_reg = MTL_DSP_ROM_STS,
667 	.rom_init_timeout	= 300,
668 	.ssp_count = MTL_SSP_COUNT,
669 	.ssp_base_offset = CNL_SSP_BASE_OFFSET,
670 	.sdw_shim_base = SDW_SHIM_BASE_ACE,
671 	.sdw_alh_base = SDW_ALH_BASE_ACE,
672 	.d0i3_offset = MTL_HDA_VS_D0I3C,
673 	.read_sdw_lcount =  hda_sdw_check_lcount_common,
674 	.enable_sdw_irq = mtl_enable_sdw_irq,
675 	.check_sdw_irq = mtl_dsp_check_sdw_irq,
676 	.check_ipc_irq = mtl_dsp_check_ipc_irq,
677 	.cl_init = mtl_dsp_cl_init,
678 	.power_down_dsp = mtl_power_down_dsp,
679 	.disable_interrupts = mtl_dsp_disable_interrupts,
680 	.hw_ip_version = SOF_INTEL_ACE_1_0,
681 };
682 EXPORT_SYMBOL_NS(mtl_chip_info, SND_SOC_SOF_INTEL_HDA_COMMON);
683