xref: /openbmc/linux/sound/soc/sof/amd/acp.c (revision f0931824)
1 // SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause)
2 //
3 // This file is provided under a dual BSD/GPLv2 license. When using or
4 // redistributing this file, you may do so under either license.
5 //
6 // Copyright(c) 2021, 2023 Advanced Micro Devices, Inc. All rights reserved.
7 //
8 // Authors: Vijendar Mukunda <Vijendar.Mukunda@amd.com>
9 //	    Ajit Kumar Pandey <AjitKumar.Pandey@amd.com>
10 
11 /*
12  * Hardware interface for generic AMD ACP processor
13  */
14 
15 #include <linux/io.h>
16 #include <linux/module.h>
17 #include <linux/pci.h>
18 
19 #include "../ops.h"
20 #include "acp.h"
21 #include "acp-dsp-offset.h"
22 
23 #define SECURED_FIRMWARE 1
24 
25 static bool enable_fw_debug;
26 module_param(enable_fw_debug, bool, 0444);
27 MODULE_PARM_DESC(enable_fw_debug, "Enable Firmware debug");
28 
29 const struct dmi_system_id acp_sof_quirk_table[] = {
30 	{
31 		/* Steam Deck OLED device */
32 		.matches = {
33 			DMI_MATCH(DMI_SYS_VENDOR, "Valve"),
34 			DMI_MATCH(DMI_PRODUCT_NAME, "Galileo"),
35 		},
36 		.driver_data = (void *)SECURED_FIRMWARE,
37 	},
38 	{}
39 };
40 EXPORT_SYMBOL_GPL(acp_sof_quirk_table);
41 
42 static int smn_write(struct pci_dev *dev, u32 smn_addr, u32 data)
43 {
44 	pci_write_config_dword(dev, 0x60, smn_addr);
45 	pci_write_config_dword(dev, 0x64, data);
46 
47 	return 0;
48 }
49 
50 static int smn_read(struct pci_dev *dev, u32 smn_addr)
51 {
52 	u32 data = 0;
53 
54 	pci_write_config_dword(dev, 0x60, smn_addr);
55 	pci_read_config_dword(dev, 0x64, &data);
56 
57 	return data;
58 }
59 
60 static void init_dma_descriptor(struct acp_dev_data *adata)
61 {
62 	struct snd_sof_dev *sdev = adata->dev;
63 	const struct sof_amd_acp_desc *desc = get_chip_info(sdev->pdata);
64 	unsigned int addr;
65 
66 	addr = desc->sram_pte_offset + sdev->debug_box.offset +
67 	       offsetof(struct scratch_reg_conf, dma_desc);
68 
69 	snd_sof_dsp_write(sdev, ACP_DSP_BAR, ACP_DMA_DESC_BASE_ADDR, addr);
70 	snd_sof_dsp_write(sdev, ACP_DSP_BAR, ACP_DMA_DESC_MAX_NUM_DSCR, ACP_MAX_DESC_CNT);
71 }
72 
73 static void configure_dma_descriptor(struct acp_dev_data *adata, unsigned short idx,
74 				     struct dma_descriptor *dscr_info)
75 {
76 	struct snd_sof_dev *sdev = adata->dev;
77 	unsigned int offset;
78 
79 	offset = ACP_SCRATCH_REG_0 + sdev->debug_box.offset +
80 		offsetof(struct scratch_reg_conf, dma_desc) +
81 		idx * sizeof(struct dma_descriptor);
82 
83 	snd_sof_dsp_write(sdev, ACP_DSP_BAR, offset, dscr_info->src_addr);
84 	snd_sof_dsp_write(sdev, ACP_DSP_BAR, offset + 0x4, dscr_info->dest_addr);
85 	snd_sof_dsp_write(sdev, ACP_DSP_BAR, offset + 0x8, dscr_info->tx_cnt.u32_all);
86 }
87 
88 static int config_dma_channel(struct acp_dev_data *adata, unsigned int ch,
89 			      unsigned int idx, unsigned int dscr_count)
90 {
91 	struct snd_sof_dev *sdev = adata->dev;
92 	unsigned int val, status;
93 	int ret;
94 
95 	snd_sof_dsp_write(sdev, ACP_DSP_BAR, ACP_DMA_CNTL_0 + ch * sizeof(u32),
96 			  ACP_DMA_CH_RST | ACP_DMA_CH_GRACEFUL_RST_EN);
97 
98 	ret = snd_sof_dsp_read_poll_timeout(sdev, ACP_DSP_BAR, ACP_DMA_CH_RST_STS, val,
99 					    val & (1 << ch), ACP_REG_POLL_INTERVAL,
100 					    ACP_REG_POLL_TIMEOUT_US);
101 	if (ret < 0) {
102 		status = snd_sof_dsp_read(sdev, ACP_DSP_BAR, ACP_ERROR_STATUS);
103 		val = snd_sof_dsp_read(sdev, ACP_DSP_BAR, ACP_DMA_ERR_STS_0 + ch * sizeof(u32));
104 
105 		dev_err(sdev->dev, "ACP_DMA_ERR_STS :0x%x ACP_ERROR_STATUS :0x%x\n", val, status);
106 		return ret;
107 	}
108 
109 	snd_sof_dsp_write(sdev, ACP_DSP_BAR, (ACP_DMA_CNTL_0 + ch * sizeof(u32)), 0);
110 	snd_sof_dsp_write(sdev, ACP_DSP_BAR, ACP_DMA_DSCR_CNT_0 + ch * sizeof(u32), dscr_count);
111 	snd_sof_dsp_write(sdev, ACP_DSP_BAR, ACP_DMA_DSCR_STRT_IDX_0 + ch * sizeof(u32), idx);
112 	snd_sof_dsp_write(sdev, ACP_DSP_BAR, ACP_DMA_PRIO_0 + ch * sizeof(u32), 0);
113 	snd_sof_dsp_write(sdev, ACP_DSP_BAR, ACP_DMA_CNTL_0 + ch * sizeof(u32), ACP_DMA_CH_RUN);
114 
115 	return ret;
116 }
117 
118 static int acpbus_dma_start(struct acp_dev_data *adata, unsigned int ch,
119 			    unsigned int dscr_count, struct dma_descriptor *dscr_info)
120 {
121 	struct snd_sof_dev *sdev = adata->dev;
122 	int ret;
123 	u16 dscr;
124 
125 	if (!dscr_info || !dscr_count)
126 		return -EINVAL;
127 
128 	for (dscr = 0; dscr < dscr_count; dscr++)
129 		configure_dma_descriptor(adata, dscr, dscr_info++);
130 
131 	ret = config_dma_channel(adata, ch, 0, dscr_count);
132 	if (ret < 0)
133 		dev_err(sdev->dev, "config dma ch failed:%d\n", ret);
134 
135 	return ret;
136 }
137 
138 int configure_and_run_dma(struct acp_dev_data *adata, unsigned int src_addr,
139 			  unsigned int dest_addr, int dsp_data_size)
140 {
141 	struct snd_sof_dev *sdev = adata->dev;
142 	unsigned int desc_count, index;
143 	int ret;
144 
145 	for (desc_count = 0; desc_count < ACP_MAX_DESC && dsp_data_size >= 0;
146 	     desc_count++, dsp_data_size -= ACP_PAGE_SIZE) {
147 		adata->dscr_info[desc_count].src_addr = src_addr + desc_count * ACP_PAGE_SIZE;
148 		adata->dscr_info[desc_count].dest_addr = dest_addr + desc_count * ACP_PAGE_SIZE;
149 		adata->dscr_info[desc_count].tx_cnt.bits.count = ACP_PAGE_SIZE;
150 		if (dsp_data_size < ACP_PAGE_SIZE)
151 			adata->dscr_info[desc_count].tx_cnt.bits.count = dsp_data_size;
152 	}
153 
154 	ret = acpbus_dma_start(adata, 0, desc_count, adata->dscr_info);
155 	if (ret)
156 		dev_err(sdev->dev, "acpbus_dma_start failed\n");
157 
158 	/* Clear descriptor array */
159 	for (index = 0; index < desc_count; index++)
160 		memset(&adata->dscr_info[index], 0x00, sizeof(struct dma_descriptor));
161 
162 	return ret;
163 }
164 
165 /*
166  * psp_mbox_ready- function to poll ready bit of psp mbox
167  * @adata: acp device data
168  * @ack: bool variable to check ready bit status or psp ack
169  */
170 
171 static int psp_mbox_ready(struct acp_dev_data *adata, bool ack)
172 {
173 	struct snd_sof_dev *sdev = adata->dev;
174 	int ret;
175 	u32 data;
176 
177 	ret = read_poll_timeout(smn_read, data, data & MBOX_READY_MASK, MBOX_DELAY_US,
178 				ACP_PSP_TIMEOUT_US, false, adata->smn_dev, MP0_C2PMSG_114_REG);
179 	if (!ret)
180 		return 0;
181 
182 	dev_err(sdev->dev, "PSP error status %x\n", data & MBOX_STATUS_MASK);
183 
184 	if (ack)
185 		return -ETIMEDOUT;
186 
187 	return -EBUSY;
188 }
189 
190 /*
191  * psp_send_cmd - function to send psp command over mbox
192  * @adata: acp device data
193  * @cmd: non zero integer value for command type
194  */
195 
196 static int psp_send_cmd(struct acp_dev_data *adata, int cmd)
197 {
198 	struct snd_sof_dev *sdev = adata->dev;
199 	int ret;
200 	u32 data;
201 
202 	if (!cmd)
203 		return -EINVAL;
204 
205 	/* Get a non-zero Doorbell value from PSP */
206 	ret = read_poll_timeout(smn_read, data, data, MBOX_DELAY_US, ACP_PSP_TIMEOUT_US, false,
207 				adata->smn_dev, MP0_C2PMSG_73_REG);
208 
209 	if (ret) {
210 		dev_err(sdev->dev, "Failed to get Doorbell from MBOX %x\n", MP0_C2PMSG_73_REG);
211 		return ret;
212 	}
213 
214 	/* Check if PSP is ready for new command */
215 	ret = psp_mbox_ready(adata, 0);
216 	if (ret)
217 		return ret;
218 
219 	smn_write(adata->smn_dev, MP0_C2PMSG_114_REG, cmd);
220 
221 	/* Ring the Doorbell for PSP */
222 	smn_write(adata->smn_dev, MP0_C2PMSG_73_REG, data);
223 
224 	/* Check MBOX ready as PSP ack */
225 	ret = psp_mbox_ready(adata, 1);
226 
227 	return ret;
228 }
229 
230 int configure_and_run_sha_dma(struct acp_dev_data *adata, void *image_addr,
231 			      unsigned int start_addr, unsigned int dest_addr,
232 			      unsigned int image_length)
233 {
234 	struct snd_sof_dev *sdev = adata->dev;
235 	const struct sof_amd_acp_desc *desc = get_chip_info(sdev->pdata);
236 	unsigned int tx_count, fw_qualifier, val;
237 	int ret;
238 
239 	if (!image_addr) {
240 		dev_err(sdev->dev, "SHA DMA image address is NULL\n");
241 		return -EINVAL;
242 	}
243 
244 	val = snd_sof_dsp_read(sdev, ACP_DSP_BAR, ACP_SHA_DMA_CMD);
245 	if (val & ACP_SHA_RUN) {
246 		snd_sof_dsp_write(sdev, ACP_DSP_BAR, ACP_SHA_DMA_CMD, ACP_SHA_RESET);
247 		ret = snd_sof_dsp_read_poll_timeout(sdev, ACP_DSP_BAR, ACP_SHA_DMA_CMD_STS,
248 						    val, val & ACP_SHA_RESET,
249 						    ACP_REG_POLL_INTERVAL,
250 						    ACP_REG_POLL_TIMEOUT_US);
251 		if (ret < 0) {
252 			dev_err(sdev->dev, "SHA DMA Failed to Reset\n");
253 			return ret;
254 		}
255 	}
256 
257 	if (adata->signed_fw_image)
258 		snd_sof_dsp_write(sdev, ACP_DSP_BAR, ACP_SHA_DMA_INCLUDE_HDR, ACP_SHA_HEADER);
259 
260 	snd_sof_dsp_write(sdev, ACP_DSP_BAR, ACP_SHA_DMA_STRT_ADDR, start_addr);
261 	snd_sof_dsp_write(sdev, ACP_DSP_BAR, ACP_SHA_DMA_DESTINATION_ADDR, dest_addr);
262 	snd_sof_dsp_write(sdev, ACP_DSP_BAR, ACP_SHA_MSG_LENGTH, image_length);
263 	snd_sof_dsp_write(sdev, ACP_DSP_BAR, ACP_SHA_DMA_CMD, ACP_SHA_RUN);
264 
265 	ret = snd_sof_dsp_read_poll_timeout(sdev, ACP_DSP_BAR, ACP_SHA_TRANSFER_BYTE_CNT,
266 					    tx_count, tx_count == image_length,
267 					    ACP_REG_POLL_INTERVAL, ACP_DMA_COMPLETE_TIMEOUT_US);
268 	if (ret < 0) {
269 		dev_err(sdev->dev, "SHA DMA Failed to Transfer Length %x\n", tx_count);
270 		return ret;
271 	}
272 
273 	/* psp_send_cmd only required for renoir platform (rev - 3) */
274 	if (desc->rev == 3) {
275 		ret = psp_send_cmd(adata, MBOX_ACP_SHA_DMA_COMMAND);
276 		if (ret)
277 			return ret;
278 	}
279 
280 	ret = snd_sof_dsp_read_poll_timeout(sdev, ACP_DSP_BAR, ACP_SHA_DSP_FW_QUALIFIER,
281 					    fw_qualifier, fw_qualifier & DSP_FW_RUN_ENABLE,
282 					    ACP_REG_POLL_INTERVAL, ACP_DMA_COMPLETE_TIMEOUT_US);
283 	if (ret < 0) {
284 		dev_err(sdev->dev, "PSP validation failed\n");
285 		return ret;
286 	}
287 
288 	return 0;
289 }
290 
291 int acp_dma_status(struct acp_dev_data *adata, unsigned char ch)
292 {
293 	struct snd_sof_dev *sdev = adata->dev;
294 	unsigned int val;
295 	int ret = 0;
296 
297 	val = snd_sof_dsp_read(sdev, ACP_DSP_BAR, ACP_DMA_CNTL_0 + ch * sizeof(u32));
298 	if (val & ACP_DMA_CH_RUN) {
299 		ret = snd_sof_dsp_read_poll_timeout(sdev, ACP_DSP_BAR, ACP_DMA_CH_STS, val, !val,
300 						    ACP_REG_POLL_INTERVAL,
301 						    ACP_DMA_COMPLETE_TIMEOUT_US);
302 		if (ret < 0)
303 			dev_err(sdev->dev, "DMA_CHANNEL %d status timeout\n", ch);
304 	}
305 
306 	return ret;
307 }
308 
309 void memcpy_from_scratch(struct snd_sof_dev *sdev, u32 offset, unsigned int *dst, size_t bytes)
310 {
311 	unsigned int reg_offset = offset + ACP_SCRATCH_REG_0;
312 	int i, j;
313 
314 	for (i = 0, j = 0; i < bytes; i = i + 4, j++)
315 		dst[j] = snd_sof_dsp_read(sdev, ACP_DSP_BAR, reg_offset + i);
316 }
317 
318 void memcpy_to_scratch(struct snd_sof_dev *sdev, u32 offset, unsigned int *src, size_t bytes)
319 {
320 	unsigned int reg_offset = offset + ACP_SCRATCH_REG_0;
321 	int i, j;
322 
323 	for (i = 0, j = 0; i < bytes; i = i + 4, j++)
324 		snd_sof_dsp_write(sdev, ACP_DSP_BAR, reg_offset + i, src[j]);
325 }
326 
327 static int acp_memory_init(struct snd_sof_dev *sdev)
328 {
329 	struct acp_dev_data *adata = sdev->pdata->hw_pdata;
330 	const struct sof_amd_acp_desc *desc = get_chip_info(sdev->pdata);
331 
332 	snd_sof_dsp_update_bits(sdev, ACP_DSP_BAR, desc->dsp_intr_base + DSP_SW_INTR_CNTL_OFFSET,
333 				ACP_DSP_INTR_EN_MASK, ACP_DSP_INTR_EN_MASK);
334 	init_dma_descriptor(adata);
335 
336 	return 0;
337 }
338 
339 static irqreturn_t acp_irq_thread(int irq, void *context)
340 {
341 	struct snd_sof_dev *sdev = context;
342 	const struct sof_amd_acp_desc *desc = get_chip_info(sdev->pdata);
343 	unsigned int count = ACP_HW_SEM_RETRY_COUNT;
344 
345 	while (snd_sof_dsp_read(sdev, ACP_DSP_BAR, desc->hw_semaphore_offset)) {
346 		/* Wait until acquired HW Semaphore lock or timeout */
347 		count--;
348 		if (!count) {
349 			dev_err(sdev->dev, "%s: Failed to acquire HW lock\n", __func__);
350 			return IRQ_NONE;
351 		}
352 	}
353 
354 	sof_ops(sdev)->irq_thread(irq, sdev);
355 	/* Unlock or Release HW Semaphore */
356 	snd_sof_dsp_write(sdev, ACP_DSP_BAR, desc->hw_semaphore_offset, 0x0);
357 
358 	return IRQ_HANDLED;
359 };
360 
361 static irqreturn_t acp_irq_handler(int irq, void *dev_id)
362 {
363 	struct snd_sof_dev *sdev = dev_id;
364 	const struct sof_amd_acp_desc *desc = get_chip_info(sdev->pdata);
365 	unsigned int base = desc->dsp_intr_base;
366 	unsigned int val;
367 
368 	val = snd_sof_dsp_read(sdev, ACP_DSP_BAR, base + DSP_SW_INTR_STAT_OFFSET);
369 	if (val & ACP_DSP_TO_HOST_IRQ) {
370 		snd_sof_dsp_write(sdev, ACP_DSP_BAR, base + DSP_SW_INTR_STAT_OFFSET,
371 				  ACP_DSP_TO_HOST_IRQ);
372 		return IRQ_WAKE_THREAD;
373 	}
374 
375 	return IRQ_NONE;
376 }
377 
378 static int acp_power_on(struct snd_sof_dev *sdev)
379 {
380 	const struct sof_amd_acp_desc *desc = get_chip_info(sdev->pdata);
381 	unsigned int base = desc->pgfsm_base;
382 	unsigned int val;
383 	int ret;
384 
385 	val = snd_sof_dsp_read(sdev, ACP_DSP_BAR, base + PGFSM_STATUS_OFFSET);
386 
387 	if (val == ACP_POWERED_ON)
388 		return 0;
389 
390 	if (val & ACP_PGFSM_STATUS_MASK)
391 		snd_sof_dsp_write(sdev, ACP_DSP_BAR, base + PGFSM_CONTROL_OFFSET,
392 				  ACP_PGFSM_CNTL_POWER_ON_MASK);
393 
394 	ret = snd_sof_dsp_read_poll_timeout(sdev, ACP_DSP_BAR, base + PGFSM_STATUS_OFFSET, val,
395 					    !val, ACP_REG_POLL_INTERVAL, ACP_REG_POLL_TIMEOUT_US);
396 	if (ret < 0)
397 		dev_err(sdev->dev, "timeout in ACP_PGFSM_STATUS read\n");
398 
399 	return ret;
400 }
401 
402 static int acp_reset(struct snd_sof_dev *sdev)
403 {
404 	const struct sof_amd_acp_desc *desc = get_chip_info(sdev->pdata);
405 	unsigned int val;
406 	int ret;
407 
408 	snd_sof_dsp_write(sdev, ACP_DSP_BAR, ACP_SOFT_RESET, ACP_ASSERT_RESET);
409 
410 	ret = snd_sof_dsp_read_poll_timeout(sdev, ACP_DSP_BAR, ACP_SOFT_RESET, val,
411 					    val & ACP_SOFT_RESET_DONE_MASK,
412 					    ACP_REG_POLL_INTERVAL, ACP_REG_POLL_TIMEOUT_US);
413 	if (ret < 0) {
414 		dev_err(sdev->dev, "timeout asserting reset\n");
415 		return ret;
416 	}
417 
418 	snd_sof_dsp_write(sdev, ACP_DSP_BAR, ACP_SOFT_RESET, ACP_RELEASE_RESET);
419 
420 	ret = snd_sof_dsp_read_poll_timeout(sdev, ACP_DSP_BAR, ACP_SOFT_RESET, val, !val,
421 					    ACP_REG_POLL_INTERVAL, ACP_REG_POLL_TIMEOUT_US);
422 	if (ret < 0)
423 		dev_err(sdev->dev, "timeout in releasing reset\n");
424 
425 	if (desc->acp_clkmux_sel)
426 		snd_sof_dsp_write(sdev, ACP_DSP_BAR, desc->acp_clkmux_sel, ACP_CLOCK_ACLK);
427 
428 	if (desc->ext_intr_enb)
429 		snd_sof_dsp_write(sdev, ACP_DSP_BAR, desc->ext_intr_enb, 0x01);
430 
431 	return ret;
432 }
433 
434 static int acp_init(struct snd_sof_dev *sdev)
435 {
436 	int ret;
437 
438 	/* power on */
439 	ret = acp_power_on(sdev);
440 	if (ret) {
441 		dev_err(sdev->dev, "ACP power on failed\n");
442 		return ret;
443 	}
444 
445 	snd_sof_dsp_write(sdev, ACP_DSP_BAR, ACP_CONTROL, 0x01);
446 	/* Reset */
447 	return acp_reset(sdev);
448 }
449 
450 int amd_sof_acp_suspend(struct snd_sof_dev *sdev, u32 target_state)
451 {
452 	int ret;
453 
454 	ret = acp_reset(sdev);
455 	if (ret) {
456 		dev_err(sdev->dev, "ACP Reset failed\n");
457 		return ret;
458 	}
459 
460 	snd_sof_dsp_write(sdev, ACP_DSP_BAR, ACP_CONTROL, 0x00);
461 
462 	return 0;
463 }
464 EXPORT_SYMBOL_NS(amd_sof_acp_suspend, SND_SOC_SOF_AMD_COMMON);
465 
466 int amd_sof_acp_resume(struct snd_sof_dev *sdev)
467 {
468 	int ret;
469 
470 	ret = acp_init(sdev);
471 	if (ret) {
472 		dev_err(sdev->dev, "ACP Init failed\n");
473 		return ret;
474 	}
475 	return acp_memory_init(sdev);
476 }
477 EXPORT_SYMBOL_NS(amd_sof_acp_resume, SND_SOC_SOF_AMD_COMMON);
478 
479 int amd_sof_acp_probe(struct snd_sof_dev *sdev)
480 {
481 	struct pci_dev *pci = to_pci_dev(sdev->dev);
482 	struct snd_sof_pdata *plat_data = sdev->pdata;
483 	struct acp_dev_data *adata;
484 	const struct sof_amd_acp_desc *chip;
485 	const struct dmi_system_id *dmi_id;
486 	unsigned int addr;
487 	int ret;
488 
489 	chip = get_chip_info(sdev->pdata);
490 	if (!chip) {
491 		dev_err(sdev->dev, "no such device supported, chip id:%x\n", pci->device);
492 		return -EIO;
493 	}
494 	adata = devm_kzalloc(sdev->dev, sizeof(struct acp_dev_data),
495 			     GFP_KERNEL);
496 	if (!adata)
497 		return -ENOMEM;
498 
499 	adata->dev = sdev;
500 	adata->dmic_dev = platform_device_register_data(sdev->dev, "dmic-codec",
501 							PLATFORM_DEVID_NONE, NULL, 0);
502 	if (IS_ERR(adata->dmic_dev)) {
503 		dev_err(sdev->dev, "failed to register platform for dmic codec\n");
504 		return PTR_ERR(adata->dmic_dev);
505 	}
506 	addr = pci_resource_start(pci, ACP_DSP_BAR);
507 	sdev->bar[ACP_DSP_BAR] = devm_ioremap(sdev->dev, addr, pci_resource_len(pci, ACP_DSP_BAR));
508 	if (!sdev->bar[ACP_DSP_BAR]) {
509 		dev_err(sdev->dev, "ioremap error\n");
510 		ret = -ENXIO;
511 		goto unregister_dev;
512 	}
513 
514 	pci_set_master(pci);
515 
516 	sdev->pdata->hw_pdata = adata;
517 	adata->smn_dev = pci_get_device(PCI_VENDOR_ID_AMD, chip->host_bridge_id, NULL);
518 	if (!adata->smn_dev) {
519 		dev_err(sdev->dev, "Failed to get host bridge device\n");
520 		ret = -ENODEV;
521 		goto unregister_dev;
522 	}
523 
524 	ret = acp_init(sdev);
525 	if (ret < 0)
526 		goto free_smn_dev;
527 
528 	sdev->ipc_irq = pci->irq;
529 	ret = request_threaded_irq(sdev->ipc_irq, acp_irq_handler, acp_irq_thread,
530 				   IRQF_SHARED, "AudioDSP", sdev);
531 	if (ret < 0) {
532 		dev_err(sdev->dev, "failed to register IRQ %d\n",
533 			sdev->ipc_irq);
534 		goto free_smn_dev;
535 	}
536 
537 	sdev->dsp_box.offset = 0;
538 	sdev->dsp_box.size = BOX_SIZE_512;
539 
540 	sdev->host_box.offset = sdev->dsp_box.offset + sdev->dsp_box.size;
541 	sdev->host_box.size = BOX_SIZE_512;
542 
543 	sdev->debug_box.offset = sdev->host_box.offset + sdev->host_box.size;
544 	sdev->debug_box.size = BOX_SIZE_1024;
545 
546 	adata->signed_fw_image = false;
547 	dmi_id = dmi_first_match(acp_sof_quirk_table);
548 	if (dmi_id && dmi_id->driver_data) {
549 		adata->fw_code_bin = devm_kasprintf(sdev->dev, GFP_KERNEL,
550 						    "%s/sof-%s-code.bin",
551 						    plat_data->fw_filename_prefix,
552 						    chip->name);
553 		if (!adata->fw_code_bin) {
554 			ret = -ENOMEM;
555 			goto free_ipc_irq;
556 		}
557 
558 		adata->fw_data_bin = devm_kasprintf(sdev->dev, GFP_KERNEL,
559 						    "%s/sof-%s-data.bin",
560 						    plat_data->fw_filename_prefix,
561 						    chip->name);
562 		if (!adata->fw_data_bin) {
563 			ret = -ENOMEM;
564 			goto free_ipc_irq;
565 		}
566 
567 		adata->signed_fw_image = dmi_id->driver_data;
568 	}
569 
570 	adata->enable_fw_debug = enable_fw_debug;
571 	acp_memory_init(sdev);
572 
573 	acp_dsp_stream_init(sdev);
574 
575 	return 0;
576 
577 free_ipc_irq:
578 	free_irq(sdev->ipc_irq, sdev);
579 free_smn_dev:
580 	pci_dev_put(adata->smn_dev);
581 unregister_dev:
582 	platform_device_unregister(adata->dmic_dev);
583 	return ret;
584 }
585 EXPORT_SYMBOL_NS(amd_sof_acp_probe, SND_SOC_SOF_AMD_COMMON);
586 
587 int amd_sof_acp_remove(struct snd_sof_dev *sdev)
588 {
589 	struct acp_dev_data *adata = sdev->pdata->hw_pdata;
590 
591 	if (adata->smn_dev)
592 		pci_dev_put(adata->smn_dev);
593 
594 	if (sdev->ipc_irq)
595 		free_irq(sdev->ipc_irq, sdev);
596 
597 	if (adata->dmic_dev)
598 		platform_device_unregister(adata->dmic_dev);
599 
600 	return acp_reset(sdev);
601 }
602 EXPORT_SYMBOL_NS(amd_sof_acp_remove, SND_SOC_SOF_AMD_COMMON);
603 
604 MODULE_DESCRIPTION("AMD ACP sof driver");
605 MODULE_LICENSE("Dual BSD/GPL");
606