xref: /openbmc/linux/sound/soc/sof/intel/mtl.c (revision 5626af8f)
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 	return 0;
114 }
115 
116 static void mtl_enable_ipc_interrupts(struct snd_sof_dev *sdev)
117 {
118 	struct sof_intel_hda_dev *hda = sdev->pdata->hw_pdata;
119 	const struct sof_intel_dsp_desc *chip = hda->desc;
120 
121 	/* enable IPC DONE and BUSY interrupts */
122 	snd_sof_dsp_update_bits(sdev, HDA_DSP_BAR, chip->ipc_ctl,
123 				MTL_DSP_REG_HFIPCXCTL_BUSY | MTL_DSP_REG_HFIPCXCTL_DONE,
124 				MTL_DSP_REG_HFIPCXCTL_BUSY | MTL_DSP_REG_HFIPCXCTL_DONE);
125 }
126 
127 static void mtl_disable_ipc_interrupts(struct snd_sof_dev *sdev)
128 {
129 	struct sof_intel_hda_dev *hda = sdev->pdata->hw_pdata;
130 	const struct sof_intel_dsp_desc *chip = hda->desc;
131 
132 	/* disable IPC DONE and BUSY interrupts */
133 	snd_sof_dsp_update_bits(sdev, HDA_DSP_BAR, chip->ipc_ctl,
134 				MTL_DSP_REG_HFIPCXCTL_BUSY | MTL_DSP_REG_HFIPCXCTL_DONE, 0);
135 }
136 
137 static void mtl_enable_sdw_irq(struct snd_sof_dev *sdev, bool enable)
138 {
139 	u32 hipcie;
140 	u32 mask;
141 	u32 val;
142 	int ret;
143 
144 	/* Enable/Disable SoundWire interrupt */
145 	mask = MTL_DSP_REG_HfSNDWIE_IE_MASK;
146 	if (enable)
147 		val = mask;
148 	else
149 		val = 0;
150 
151 	snd_sof_dsp_update_bits(sdev, HDA_DSP_BAR, MTL_DSP_REG_HfSNDWIE, mask, val);
152 
153 	/* check if operation was successful */
154 	ret = snd_sof_dsp_read_poll_timeout(sdev, HDA_DSP_BAR, MTL_DSP_REG_HfSNDWIE, hipcie,
155 					    (hipcie & mask) == val,
156 					    HDA_DSP_REG_POLL_INTERVAL_US, HDA_DSP_RESET_TIMEOUT_US);
157 	if (ret < 0)
158 		dev_err(sdev->dev, "failed to set SoundWire IPC interrupt %s\n",
159 			enable ? "enable" : "disable");
160 }
161 
162 static int mtl_enable_interrupts(struct snd_sof_dev *sdev, bool enable)
163 {
164 	u32 hfintipptr;
165 	u32 irqinten;
166 	u32 hipcie;
167 	u32 mask;
168 	u32 val;
169 	int ret;
170 
171 	/* read Interrupt IP Pointer */
172 	hfintipptr = snd_sof_dsp_read(sdev, HDA_DSP_BAR, MTL_HFINTIPPTR) & MTL_HFINTIPPTR_PTR_MASK;
173 
174 	/* Enable/Disable Host IPC and SOUNDWIRE */
175 	mask = MTL_IRQ_INTEN_L_HOST_IPC_MASK | MTL_IRQ_INTEN_L_SOUNDWIRE_MASK;
176 	if (enable)
177 		val = mask;
178 	else
179 		val = 0;
180 
181 	snd_sof_dsp_update_bits(sdev, HDA_DSP_BAR, hfintipptr, mask, val);
182 
183 	/* check if operation was successful */
184 	ret = snd_sof_dsp_read_poll_timeout(sdev, HDA_DSP_BAR, hfintipptr, irqinten,
185 					    (irqinten & mask) == val,
186 					    HDA_DSP_REG_POLL_INTERVAL_US, HDA_DSP_RESET_TIMEOUT_US);
187 	if (ret < 0) {
188 		dev_err(sdev->dev, "failed to %s Host IPC and/or SOUNDWIRE\n",
189 			enable ? "enable" : "disable");
190 		return ret;
191 	}
192 
193 	/* Enable/Disable Host IPC interrupt*/
194 	mask = MTL_DSP_REG_HfHIPCIE_IE_MASK;
195 	if (enable)
196 		val = mask;
197 	else
198 		val = 0;
199 
200 	snd_sof_dsp_update_bits(sdev, HDA_DSP_BAR, MTL_DSP_REG_HfHIPCIE, mask, val);
201 
202 	/* check if operation was successful */
203 	ret = snd_sof_dsp_read_poll_timeout(sdev, HDA_DSP_BAR, MTL_DSP_REG_HfHIPCIE, hipcie,
204 					    (hipcie & mask) == val,
205 					    HDA_DSP_REG_POLL_INTERVAL_US, HDA_DSP_RESET_TIMEOUT_US);
206 	if (ret < 0) {
207 		dev_err(sdev->dev, "failed to set Host IPC interrupt %s\n",
208 			enable ? "enable" : "disable");
209 		return ret;
210 	}
211 
212 	return ret;
213 }
214 
215 /* pre fw run operations */
216 static int mtl_dsp_pre_fw_run(struct snd_sof_dev *sdev)
217 {
218 	u32 dsphfpwrsts;
219 	u32 dsphfdsscs;
220 	u32 cpa;
221 	u32 pgs;
222 	int ret;
223 
224 	/* Set the DSP subsystem power on */
225 	snd_sof_dsp_update_bits(sdev, HDA_DSP_BAR, MTL_HFDSSCS,
226 				MTL_HFDSSCS_SPA_MASK, MTL_HFDSSCS_SPA_MASK);
227 
228 	/* Wait for unstable CPA read (1 then 0 then 1) just after setting SPA bit */
229 	usleep_range(1000, 1010);
230 
231 	/* poll with timeout to check if operation successful */
232 	cpa = MTL_HFDSSCS_CPA_MASK;
233 	ret = snd_sof_dsp_read_poll_timeout(sdev, HDA_DSP_BAR, MTL_HFDSSCS, dsphfdsscs,
234 					    (dsphfdsscs & cpa) == cpa, HDA_DSP_REG_POLL_INTERVAL_US,
235 					    HDA_DSP_RESET_TIMEOUT_US);
236 	if (ret < 0) {
237 		dev_err(sdev->dev, "failed to enable DSP subsystem\n");
238 		return ret;
239 	}
240 
241 	/* Power up gated-DSP-0 domain in order to access the DSP shim register block. */
242 	snd_sof_dsp_update_bits(sdev, HDA_DSP_BAR, MTL_HFPWRCTL,
243 				MTL_HFPWRCTL_WPDSPHPXPG, MTL_HFPWRCTL_WPDSPHPXPG);
244 
245 	usleep_range(1000, 1010);
246 
247 	/* poll with timeout to check if operation successful */
248 	pgs = MTL_HFPWRSTS_DSPHPXPGS_MASK;
249 	ret = snd_sof_dsp_read_poll_timeout(sdev, HDA_DSP_BAR, MTL_HFPWRSTS, dsphfpwrsts,
250 					    (dsphfpwrsts & pgs) == pgs,
251 					    HDA_DSP_REG_POLL_INTERVAL_US,
252 					    HDA_DSP_RESET_TIMEOUT_US);
253 	if (ret < 0)
254 		dev_err(sdev->dev, "failed to power up gated DSP domain\n");
255 
256 	/* make sure SoundWire is not power-gated */
257 	snd_sof_dsp_update_bits(sdev, HDA_DSP_HDA_BAR, MTL_HFPWRCTL,
258 				MTL_HfPWRCTL_WPIOXPG(1), MTL_HfPWRCTL_WPIOXPG(1));
259 	return ret;
260 }
261 
262 static int mtl_dsp_post_fw_run(struct snd_sof_dev *sdev)
263 {
264 	int ret;
265 
266 	if (sdev->first_boot) {
267 		struct sof_intel_hda_dev *hdev = sdev->pdata->hw_pdata;
268 
269 		ret = hda_sdw_startup(sdev);
270 		if (ret < 0) {
271 			dev_err(sdev->dev, "could not startup SoundWire links\n");
272 			return ret;
273 		}
274 
275 		/* Check if IMR boot is usable */
276 		if (!sof_debug_check_flag(SOF_DBG_IGNORE_D3_PERSISTENT))
277 			hdev->imrboot_supported = true;
278 	}
279 
280 	hda_sdw_int_enable(sdev, true);
281 	return 0;
282 }
283 
284 static void mtl_dsp_dump(struct snd_sof_dev *sdev, u32 flags)
285 {
286 	char *level = (flags & SOF_DBG_DUMP_OPTIONAL) ? KERN_DEBUG : KERN_ERR;
287 	u32 romdbgsts;
288 	u32 romdbgerr;
289 	u32 fwsts;
290 	u32 fwlec;
291 
292 	fwsts = snd_sof_dsp_read(sdev, HDA_DSP_BAR, MTL_DSP_ROM_STS);
293 	fwlec = snd_sof_dsp_read(sdev, HDA_DSP_BAR, MTL_DSP_ROM_ERROR);
294 	romdbgsts = snd_sof_dsp_read(sdev, HDA_DSP_BAR, MTL_DSP_REG_HFFLGPXQWY);
295 	romdbgerr = snd_sof_dsp_read(sdev, HDA_DSP_BAR, MTL_DSP_REG_HFFLGPXQWY_ERROR);
296 
297 	dev_err(sdev->dev, "ROM status: %#x, ROM error: %#x\n", fwsts, fwlec);
298 	dev_err(sdev->dev, "ROM debug status: %#x, ROM debug error: %#x\n", romdbgsts,
299 		romdbgerr);
300 	romdbgsts = snd_sof_dsp_read(sdev, HDA_DSP_BAR, MTL_DSP_REG_HFFLGPXQWY + 0x8 * 3);
301 	dev_printk(level, sdev->dev, "ROM feature bit%s enabled\n",
302 		   romdbgsts & BIT(24) ? "" : " not");
303 }
304 
305 static bool mtl_dsp_primary_core_is_enabled(struct snd_sof_dev *sdev)
306 {
307 	int val;
308 
309 	val = snd_sof_dsp_read(sdev, HDA_DSP_BAR, MTL_DSP2CXCTL_PRIMARY_CORE);
310 	if (val != U32_MAX && val & MTL_DSP2CXCTL_PRIMARY_CORE_CPA_MASK)
311 		return true;
312 
313 	return false;
314 }
315 
316 static int mtl_dsp_core_power_up(struct snd_sof_dev *sdev, int core)
317 {
318 	unsigned int cpa;
319 	u32 dspcxctl;
320 	int ret;
321 
322 	/* Only the primary core can be powered up by the host */
323 	if (core != SOF_DSP_PRIMARY_CORE || mtl_dsp_primary_core_is_enabled(sdev))
324 		return 0;
325 
326 	/* Program the owner of the IP & shim registers (10: Host CPU) */
327 	snd_sof_dsp_update_bits(sdev, HDA_DSP_BAR, MTL_DSP2CXCTL_PRIMARY_CORE,
328 				MTL_DSP2CXCTL_PRIMARY_CORE_OSEL,
329 				0x2 << MTL_DSP2CXCTL_PRIMARY_CORE_OSEL_SHIFT);
330 
331 	/* enable SPA bit */
332 	snd_sof_dsp_update_bits(sdev, HDA_DSP_BAR, MTL_DSP2CXCTL_PRIMARY_CORE,
333 				MTL_DSP2CXCTL_PRIMARY_CORE_SPA_MASK,
334 				MTL_DSP2CXCTL_PRIMARY_CORE_SPA_MASK);
335 
336 	/* Wait for unstable CPA read (1 then 0 then 1) just after setting SPA bit */
337 	usleep_range(1000, 1010);
338 
339 	/* poll with timeout to check if operation successful */
340 	cpa = MTL_DSP2CXCTL_PRIMARY_CORE_CPA_MASK;
341 	ret = snd_sof_dsp_read_poll_timeout(sdev, HDA_DSP_BAR, MTL_DSP2CXCTL_PRIMARY_CORE, dspcxctl,
342 					    (dspcxctl & cpa) == cpa, HDA_DSP_REG_POLL_INTERVAL_US,
343 					    HDA_DSP_RESET_TIMEOUT_US);
344 	if (ret < 0)
345 		dev_err(sdev->dev, "%s: timeout on MTL_DSP2CXCTL_PRIMARY_CORE read\n",
346 			__func__);
347 
348 	return ret;
349 }
350 
351 static int mtl_dsp_core_power_down(struct snd_sof_dev *sdev, int core)
352 {
353 	u32 dspcxctl;
354 	int ret;
355 
356 	/* Only the primary core can be powered down by the host */
357 	if (core != SOF_DSP_PRIMARY_CORE || !mtl_dsp_primary_core_is_enabled(sdev))
358 		return 0;
359 
360 	/* disable SPA bit */
361 	snd_sof_dsp_update_bits(sdev, HDA_DSP_BAR, MTL_DSP2CXCTL_PRIMARY_CORE,
362 				MTL_DSP2CXCTL_PRIMARY_CORE_SPA_MASK, 0);
363 
364 	/* Wait for unstable CPA read (0 then 1 then 0) just after setting SPA bit */
365 	usleep_range(1000, 1010);
366 
367 	ret = snd_sof_dsp_read_poll_timeout(sdev, HDA_DSP_BAR, MTL_DSP2CXCTL_PRIMARY_CORE, dspcxctl,
368 					    !(dspcxctl & MTL_DSP2CXCTL_PRIMARY_CORE_CPA_MASK),
369 					    HDA_DSP_REG_POLL_INTERVAL_US,
370 					    HDA_DSP_PD_TIMEOUT * USEC_PER_MSEC);
371 	if (ret < 0)
372 		dev_err(sdev->dev, "failed to power down primary core\n");
373 
374 	return ret;
375 }
376 
377 static int mtl_power_down_dsp(struct snd_sof_dev *sdev)
378 {
379 	u32 dsphfdsscs, cpa;
380 	int ret;
381 
382 	/* first power down core */
383 	ret = mtl_dsp_core_power_down(sdev, SOF_DSP_PRIMARY_CORE);
384 	if (ret) {
385 		dev_err(sdev->dev, "mtl dsp power down error, %d\n", ret);
386 		return ret;
387 	}
388 
389 	/* Set the DSP subsystem power down */
390 	snd_sof_dsp_update_bits(sdev, HDA_DSP_BAR, MTL_HFDSSCS,
391 				MTL_HFDSSCS_SPA_MASK, 0);
392 
393 	/* Wait for unstable CPA read (0 then 1 then 0) just after setting SPA bit */
394 	usleep_range(1000, 1010);
395 
396 	/* poll with timeout to check if operation successful */
397 	cpa = MTL_HFDSSCS_CPA_MASK;
398 	dsphfdsscs = snd_sof_dsp_read(sdev, HDA_DSP_BAR, MTL_HFDSSCS);
399 	return snd_sof_dsp_read_poll_timeout(sdev, HDA_DSP_BAR, MTL_HFDSSCS, dsphfdsscs,
400 					     (dsphfdsscs & cpa) == 0, HDA_DSP_REG_POLL_INTERVAL_US,
401 					     HDA_DSP_RESET_TIMEOUT_US);
402 }
403 
404 static int mtl_dsp_cl_init(struct snd_sof_dev *sdev, int stream_tag, bool imr_boot)
405 {
406 	struct sof_intel_hda_dev *hda = sdev->pdata->hw_pdata;
407 	const struct sof_intel_dsp_desc *chip = hda->desc;
408 	unsigned int status;
409 	u32 ipc_hdr;
410 	int ret;
411 
412 	/* step 1: purge FW request */
413 	ipc_hdr = chip->ipc_req_mask | HDA_DSP_ROM_IPC_CONTROL;
414 	if (!imr_boot)
415 		ipc_hdr |= HDA_DSP_ROM_IPC_PURGE_FW | ((stream_tag - 1) << 9);
416 
417 	snd_sof_dsp_write(sdev, HDA_DSP_BAR, chip->ipc_req, ipc_hdr);
418 
419 	/* step 2: power up primary core */
420 	ret = mtl_dsp_core_power_up(sdev, SOF_DSP_PRIMARY_CORE);
421 	if (ret < 0) {
422 		if (hda->boot_iteration == HDA_FW_BOOT_ATTEMPTS)
423 			dev_err(sdev->dev, "dsp core 0/1 power up failed\n");
424 		goto err;
425 	}
426 
427 	dev_dbg(sdev->dev, "Primary core power up successful\n");
428 
429 	/* step 3: wait for IPC DONE bit from ROM */
430 	ret = snd_sof_dsp_read_poll_timeout(sdev, HDA_DSP_BAR, chip->ipc_ack, status,
431 					    ((status & chip->ipc_ack_mask) == chip->ipc_ack_mask),
432 					    HDA_DSP_REG_POLL_INTERVAL_US, MTL_DSP_PURGE_TIMEOUT_US);
433 	if (ret < 0) {
434 		if (hda->boot_iteration == HDA_FW_BOOT_ATTEMPTS)
435 			dev_err(sdev->dev, "timeout waiting for purge IPC done\n");
436 		goto err;
437 	}
438 
439 	/* set DONE bit to clear the reply IPC message */
440 	snd_sof_dsp_update_bits_forced(sdev, HDA_DSP_BAR, chip->ipc_ack, chip->ipc_ack_mask,
441 				       chip->ipc_ack_mask);
442 
443 	/* step 4: enable interrupts */
444 	ret = mtl_enable_interrupts(sdev, true);
445 	if (ret < 0) {
446 		if (hda->boot_iteration == HDA_FW_BOOT_ATTEMPTS)
447 			dev_err(sdev->dev, "%s: failed to enable interrupts\n", __func__);
448 		goto err;
449 	}
450 
451 	mtl_enable_ipc_interrupts(sdev);
452 
453 	/*
454 	 * ACE workaround: don't wait for ROM INIT.
455 	 * The platform cannot catch ROM_INIT_DONE because of a very short
456 	 * timing window. Follow the recommendations and skip this part.
457 	 */
458 
459 	return 0;
460 
461 err:
462 	snd_sof_dsp_dbg_dump(sdev, "MTL DSP init fail", 0);
463 	mtl_dsp_core_power_down(sdev, SOF_DSP_PRIMARY_CORE);
464 	return ret;
465 }
466 
467 static irqreturn_t mtl_ipc_irq_thread(int irq, void *context)
468 {
469 	struct sof_ipc4_msg notification_data = {{ 0 }};
470 	struct snd_sof_dev *sdev = context;
471 	bool ack_received = false;
472 	bool ipc_irq = false;
473 	u32 hipcida;
474 	u32 hipctdr;
475 
476 	hipcida = snd_sof_dsp_read(sdev, HDA_DSP_BAR, MTL_DSP_REG_HFIPCXIDA);
477 	hipctdr = snd_sof_dsp_read(sdev, HDA_DSP_BAR, MTL_DSP_REG_HFIPCXTDR);
478 
479 	/* reply message from DSP */
480 	if (hipcida & MTL_DSP_REG_HFIPCXIDA_DONE) {
481 		/* DSP received the message */
482 		snd_sof_dsp_update_bits(sdev, HDA_DSP_BAR, MTL_DSP_REG_HFIPCXCTL,
483 					MTL_DSP_REG_HFIPCXCTL_DONE, 0);
484 
485 		mtl_ipc_dsp_done(sdev);
486 
487 		ipc_irq = true;
488 		ack_received = true;
489 	}
490 
491 	if (hipctdr & MTL_DSP_REG_HFIPCXTDR_BUSY) {
492 		/* Message from DSP (reply or notification) */
493 		u32 extension = snd_sof_dsp_read(sdev, HDA_DSP_BAR, MTL_DSP_REG_HFIPCXTDDY);
494 		u32 primary = hipctdr & MTL_DSP_REG_HFIPCXTDR_MSG_MASK;
495 
496 		/*
497 		 * ACE fw sends a new fw ipc message to host to
498 		 * notify the status of the last host ipc message
499 		 */
500 		if (primary & SOF_IPC4_MSG_DIR_MASK) {
501 			/* Reply received */
502 			if (likely(sdev->fw_state == SOF_FW_BOOT_COMPLETE)) {
503 				struct sof_ipc4_msg *data = sdev->ipc->msg.reply_data;
504 
505 				data->primary = primary;
506 				data->extension = extension;
507 
508 				spin_lock_irq(&sdev->ipc_lock);
509 
510 				snd_sof_ipc_get_reply(sdev);
511 				mtl_ipc_host_done(sdev);
512 				snd_sof_ipc_reply(sdev, data->primary);
513 
514 				spin_unlock_irq(&sdev->ipc_lock);
515 			} else {
516 				dev_dbg_ratelimited(sdev->dev,
517 						    "IPC reply before FW_READY: %#x|%#x\n",
518 						    primary, extension);
519 			}
520 		} else {
521 			/* Notification received */
522 			notification_data.primary = primary;
523 			notification_data.extension = extension;
524 
525 			sdev->ipc->msg.rx_data = &notification_data;
526 			snd_sof_ipc_msgs_rx(sdev);
527 			sdev->ipc->msg.rx_data = NULL;
528 
529 			mtl_ipc_host_done(sdev);
530 		}
531 
532 		ipc_irq = true;
533 	}
534 
535 	if (!ipc_irq) {
536 		/* This interrupt is not shared so no need to return IRQ_NONE. */
537 		dev_dbg_ratelimited(sdev->dev, "nothing to do in IPC IRQ thread\n");
538 	}
539 
540 	if (ack_received) {
541 		struct sof_intel_hda_dev *hdev = sdev->pdata->hw_pdata;
542 
543 		if (hdev->delayed_ipc_tx_msg)
544 			mtl_ipc_send_msg(sdev, hdev->delayed_ipc_tx_msg);
545 	}
546 
547 	return IRQ_HANDLED;
548 }
549 
550 static int mtl_dsp_ipc_get_mailbox_offset(struct snd_sof_dev *sdev)
551 {
552 	return MTL_DSP_MBOX_UPLINK_OFFSET;
553 }
554 
555 static int mtl_dsp_ipc_get_window_offset(struct snd_sof_dev *sdev, u32 id)
556 {
557 	return MTL_SRAM_WINDOW_OFFSET(id);
558 }
559 
560 static void mtl_ipc_dump(struct snd_sof_dev *sdev)
561 {
562 	u32 hipcidr, hipcidd, hipcida, hipctdr, hipctdd, hipctda, hipcctl;
563 
564 	hipcidr = snd_sof_dsp_read(sdev, HDA_DSP_BAR, MTL_DSP_REG_HFIPCXIDR);
565 	hipcidd = snd_sof_dsp_read(sdev, HDA_DSP_BAR, MTL_DSP_REG_HFIPCXIDDY);
566 	hipcida = snd_sof_dsp_read(sdev, HDA_DSP_BAR, MTL_DSP_REG_HFIPCXIDA);
567 	hipctdr = snd_sof_dsp_read(sdev, HDA_DSP_BAR, MTL_DSP_REG_HFIPCXTDR);
568 	hipctdd = snd_sof_dsp_read(sdev, HDA_DSP_BAR, MTL_DSP_REG_HFIPCXTDDY);
569 	hipctda = snd_sof_dsp_read(sdev, HDA_DSP_BAR, MTL_DSP_REG_HFIPCXTDA);
570 	hipcctl = snd_sof_dsp_read(sdev, HDA_DSP_BAR, MTL_DSP_REG_HFIPCXCTL);
571 
572 	dev_err(sdev->dev,
573 		"Host IPC initiator: %#x|%#x|%#x, target: %#x|%#x|%#x, ctl: %#x\n",
574 		hipcidr, hipcidd, hipcida, hipctdr, hipctdd, hipctda, hipcctl);
575 }
576 
577 static int mtl_dsp_disable_interrupts(struct snd_sof_dev *sdev)
578 {
579 	mtl_enable_sdw_irq(sdev, false);
580 	mtl_disable_ipc_interrupts(sdev);
581 	return mtl_enable_interrupts(sdev, false);
582 }
583 
584 /* Meteorlake ops */
585 struct snd_sof_dsp_ops sof_mtl_ops;
586 EXPORT_SYMBOL_NS(sof_mtl_ops, SND_SOC_SOF_INTEL_HDA_COMMON);
587 
588 int sof_mtl_ops_init(struct snd_sof_dev *sdev)
589 {
590 	struct sof_ipc4_fw_data *ipc4_data;
591 
592 	/* common defaults */
593 	memcpy(&sof_mtl_ops, &sof_hda_common_ops, sizeof(struct snd_sof_dsp_ops));
594 
595 	/* shutdown */
596 	sof_mtl_ops.shutdown = hda_dsp_shutdown;
597 
598 	/* doorbell */
599 	sof_mtl_ops.irq_thread = mtl_ipc_irq_thread;
600 
601 	/* ipc */
602 	sof_mtl_ops.send_msg = mtl_ipc_send_msg;
603 	sof_mtl_ops.get_mailbox_offset = mtl_dsp_ipc_get_mailbox_offset;
604 	sof_mtl_ops.get_window_offset = mtl_dsp_ipc_get_window_offset;
605 
606 	/* debug */
607 	sof_mtl_ops.debug_map = mtl_dsp_debugfs;
608 	sof_mtl_ops.debug_map_count = ARRAY_SIZE(mtl_dsp_debugfs);
609 	sof_mtl_ops.dbg_dump = mtl_dsp_dump;
610 	sof_mtl_ops.ipc_dump = mtl_ipc_dump;
611 
612 	/* pre/post fw run */
613 	sof_mtl_ops.pre_fw_run = mtl_dsp_pre_fw_run;
614 	sof_mtl_ops.post_fw_run = mtl_dsp_post_fw_run;
615 
616 	/* parse platform specific extended manifest */
617 	sof_mtl_ops.parse_platform_ext_manifest = NULL;
618 
619 	/* dsp core get/put */
620 	/* TODO: add core_get and core_put */
621 
622 	sdev->private = devm_kzalloc(sdev->dev, sizeof(struct sof_ipc4_fw_data), GFP_KERNEL);
623 	if (!sdev->private)
624 		return -ENOMEM;
625 
626 	ipc4_data = sdev->private;
627 	ipc4_data->manifest_fw_hdr_offset = SOF_MAN4_FW_HDR_OFFSET;
628 
629 	ipc4_data->mtrace_type = SOF_IPC4_MTRACE_INTEL_CAVS_2;
630 
631 	/* External library loading support */
632 	ipc4_data->load_library = hda_dsp_ipc4_load_library;
633 
634 	/* set DAI ops */
635 	hda_set_dai_drv_ops(sdev, &sof_mtl_ops);
636 
637 	return 0;
638 };
639 EXPORT_SYMBOL_NS(sof_mtl_ops_init, SND_SOC_SOF_INTEL_HDA_COMMON);
640 
641 const struct sof_intel_dsp_desc mtl_chip_info = {
642 	.cores_num = 3,
643 	.init_core_mask = BIT(0),
644 	.host_managed_cores_mask = BIT(0),
645 	.ipc_req = MTL_DSP_REG_HFIPCXIDR,
646 	.ipc_req_mask = MTL_DSP_REG_HFIPCXIDR_BUSY,
647 	.ipc_ack = MTL_DSP_REG_HFIPCXIDA,
648 	.ipc_ack_mask = MTL_DSP_REG_HFIPCXIDA_DONE,
649 	.ipc_ctl = MTL_DSP_REG_HFIPCXCTL,
650 	.rom_status_reg = MTL_DSP_ROM_STS,
651 	.rom_init_timeout	= 300,
652 	.ssp_count = MTL_SSP_COUNT,
653 	.ssp_base_offset = CNL_SSP_BASE_OFFSET,
654 	.sdw_shim_base = SDW_SHIM_BASE_ACE,
655 	.sdw_alh_base = SDW_ALH_BASE_ACE,
656 	.d0i3_offset = MTL_HDA_VS_D0I3C,
657 	.read_sdw_lcount =  hda_sdw_check_lcount_common,
658 	.enable_sdw_irq = mtl_enable_sdw_irq,
659 	.check_sdw_irq = mtl_dsp_check_sdw_irq,
660 	.check_ipc_irq = mtl_dsp_check_ipc_irq,
661 	.cl_init = mtl_dsp_cl_init,
662 	.power_down_dsp = mtl_power_down_dsp,
663 	.disable_interrupts = mtl_dsp_disable_interrupts,
664 	.hw_ip_version = SOF_INTEL_ACE_1_0,
665 };
666 EXPORT_SYMBOL_NS(mtl_chip_info, SND_SOC_SOF_INTEL_HDA_COMMON);
667