1 // SPDX-License-Identifier: GPL-2.0-only
2 /*
3  * skl-sst-ipc.c - Intel skl IPC Support
4  *
5  * Copyright (C) 2014-15, Intel Corporation.
6  */
7 #include <linux/device.h>
8 
9 #include "../common/sst-dsp.h"
10 #include "../common/sst-dsp-priv.h"
11 #include "skl.h"
12 #include "skl-sst-dsp.h"
13 #include "skl-sst-ipc.h"
14 #include "sound/hdaudio_ext.h"
15 
16 
17 #define IPC_IXC_STATUS_BITS		24
18 
19 /* Global Message - Generic */
20 #define IPC_GLB_TYPE_SHIFT		24
21 #define IPC_GLB_TYPE_MASK		(0xf << IPC_GLB_TYPE_SHIFT)
22 #define IPC_GLB_TYPE(x)			((x) << IPC_GLB_TYPE_SHIFT)
23 
24 /* Global Message - Reply */
25 #define IPC_GLB_REPLY_STATUS_SHIFT	24
26 #define IPC_GLB_REPLY_STATUS_MASK	((0x1 << IPC_GLB_REPLY_STATUS_SHIFT) - 1)
27 #define IPC_GLB_REPLY_STATUS(x)		((x) << IPC_GLB_REPLY_STATUS_SHIFT)
28 
29 #define IPC_GLB_REPLY_TYPE_SHIFT	29
30 #define IPC_GLB_REPLY_TYPE_MASK		0x1F
31 #define IPC_GLB_REPLY_TYPE(x)		(((x) >> IPC_GLB_REPLY_TYPE_SHIFT) \
32 					& IPC_GLB_RPLY_TYPE_MASK)
33 
34 #define IPC_TIMEOUT_MSECS		3000
35 
36 #define IPC_EMPTY_LIST_SIZE		8
37 
38 #define IPC_MSG_TARGET_SHIFT		30
39 #define IPC_MSG_TARGET_MASK		0x1
40 #define IPC_MSG_TARGET(x)		(((x) & IPC_MSG_TARGET_MASK) \
41 					<< IPC_MSG_TARGET_SHIFT)
42 
43 #define IPC_MSG_DIR_SHIFT		29
44 #define IPC_MSG_DIR_MASK		0x1
45 #define IPC_MSG_DIR(x)			(((x) & IPC_MSG_DIR_MASK) \
46 					<< IPC_MSG_DIR_SHIFT)
47 /* Global Notification Message */
48 #define IPC_GLB_NOTIFY_TYPE_SHIFT	16
49 #define IPC_GLB_NOTIFY_TYPE_MASK	0xFF
50 #define IPC_GLB_NOTIFY_TYPE(x)		(((x) >> IPC_GLB_NOTIFY_TYPE_SHIFT) \
51 					& IPC_GLB_NOTIFY_TYPE_MASK)
52 
53 #define IPC_GLB_NOTIFY_MSG_TYPE_SHIFT	24
54 #define IPC_GLB_NOTIFY_MSG_TYPE_MASK	0x1F
55 #define IPC_GLB_NOTIFY_MSG_TYPE(x)	(((x) >> IPC_GLB_NOTIFY_MSG_TYPE_SHIFT)	\
56 						& IPC_GLB_NOTIFY_MSG_TYPE_MASK)
57 
58 #define IPC_GLB_NOTIFY_RSP_SHIFT	29
59 #define IPC_GLB_NOTIFY_RSP_MASK		0x1
60 #define IPC_GLB_NOTIFY_RSP_TYPE(x)	(((x) >> IPC_GLB_NOTIFY_RSP_SHIFT) \
61 					& IPC_GLB_NOTIFY_RSP_MASK)
62 
63 /* Pipeline operations */
64 
65 /* Create pipeline message */
66 #define IPC_PPL_MEM_SIZE_SHIFT		0
67 #define IPC_PPL_MEM_SIZE_MASK		0x7FF
68 #define IPC_PPL_MEM_SIZE(x)		(((x) & IPC_PPL_MEM_SIZE_MASK) \
69 					<< IPC_PPL_MEM_SIZE_SHIFT)
70 
71 #define IPC_PPL_TYPE_SHIFT		11
72 #define IPC_PPL_TYPE_MASK		0x1F
73 #define IPC_PPL_TYPE(x)			(((x) & IPC_PPL_TYPE_MASK) \
74 					<< IPC_PPL_TYPE_SHIFT)
75 
76 #define IPC_INSTANCE_ID_SHIFT		16
77 #define IPC_INSTANCE_ID_MASK		0xFF
78 #define IPC_INSTANCE_ID(x)		(((x) & IPC_INSTANCE_ID_MASK) \
79 					<< IPC_INSTANCE_ID_SHIFT)
80 
81 #define IPC_PPL_LP_MODE_SHIFT           0
82 #define IPC_PPL_LP_MODE_MASK            0x1
83 #define IPC_PPL_LP_MODE(x)              (((x) & IPC_PPL_LP_MODE_MASK) \
84 					<< IPC_PPL_LP_MODE_SHIFT)
85 
86 /* Set pipeline state message */
87 #define IPC_PPL_STATE_SHIFT		0
88 #define IPC_PPL_STATE_MASK		0x1F
89 #define IPC_PPL_STATE(x)		(((x) & IPC_PPL_STATE_MASK) \
90 					<< IPC_PPL_STATE_SHIFT)
91 
92 /* Module operations primary register */
93 #define IPC_MOD_ID_SHIFT		0
94 #define IPC_MOD_ID_MASK		0xFFFF
95 #define IPC_MOD_ID(x)		(((x) & IPC_MOD_ID_MASK) \
96 					<< IPC_MOD_ID_SHIFT)
97 
98 #define IPC_MOD_INSTANCE_ID_SHIFT	16
99 #define IPC_MOD_INSTANCE_ID_MASK	0xFF
100 #define IPC_MOD_INSTANCE_ID(x)	(((x) & IPC_MOD_INSTANCE_ID_MASK) \
101 					<< IPC_MOD_INSTANCE_ID_SHIFT)
102 
103 /* Init instance message extension register */
104 #define IPC_PARAM_BLOCK_SIZE_SHIFT	0
105 #define IPC_PARAM_BLOCK_SIZE_MASK	0xFFFF
106 #define IPC_PARAM_BLOCK_SIZE(x)		(((x) & IPC_PARAM_BLOCK_SIZE_MASK) \
107 					<< IPC_PARAM_BLOCK_SIZE_SHIFT)
108 
109 #define IPC_PPL_INSTANCE_ID_SHIFT	16
110 #define IPC_PPL_INSTANCE_ID_MASK	0xFF
111 #define IPC_PPL_INSTANCE_ID(x)		(((x) & IPC_PPL_INSTANCE_ID_MASK) \
112 					<< IPC_PPL_INSTANCE_ID_SHIFT)
113 
114 #define IPC_CORE_ID_SHIFT		24
115 #define IPC_CORE_ID_MASK		0x1F
116 #define IPC_CORE_ID(x)			(((x) & IPC_CORE_ID_MASK) \
117 					<< IPC_CORE_ID_SHIFT)
118 
119 #define IPC_DOMAIN_SHIFT                28
120 #define IPC_DOMAIN_MASK                 0x1
121 #define IPC_DOMAIN(x)                   (((x) & IPC_DOMAIN_MASK) \
122 					<< IPC_DOMAIN_SHIFT)
123 
124 /* Bind/Unbind message extension register */
125 #define IPC_DST_MOD_ID_SHIFT		0
126 #define IPC_DST_MOD_ID(x)		(((x) & IPC_MOD_ID_MASK) \
127 					<< IPC_DST_MOD_ID_SHIFT)
128 
129 #define IPC_DST_MOD_INSTANCE_ID_SHIFT 16
130 #define IPC_DST_MOD_INSTANCE_ID(x)	(((x) & IPC_MOD_INSTANCE_ID_MASK) \
131 					<< IPC_DST_MOD_INSTANCE_ID_SHIFT)
132 
133 #define IPC_DST_QUEUE_SHIFT		24
134 #define IPC_DST_QUEUE_MASK		0x7
135 #define IPC_DST_QUEUE(x)		(((x) & IPC_DST_QUEUE_MASK) \
136 					<< IPC_DST_QUEUE_SHIFT)
137 
138 #define IPC_SRC_QUEUE_SHIFT		27
139 #define IPC_SRC_QUEUE_MASK		0x7
140 #define IPC_SRC_QUEUE(x)		(((x) & IPC_SRC_QUEUE_MASK) \
141 					<< IPC_SRC_QUEUE_SHIFT)
142 /* Load Module count */
143 #define IPC_LOAD_MODULE_SHIFT		0
144 #define IPC_LOAD_MODULE_MASK		0xFF
145 #define IPC_LOAD_MODULE_CNT(x)		(((x) & IPC_LOAD_MODULE_MASK) \
146 					<< IPC_LOAD_MODULE_SHIFT)
147 
148 /* Save pipeline messgae extension register */
149 #define IPC_DMA_ID_SHIFT		0
150 #define IPC_DMA_ID_MASK			0x1F
151 #define IPC_DMA_ID(x)			(((x) & IPC_DMA_ID_MASK) \
152 					<< IPC_DMA_ID_SHIFT)
153 /* Large Config message extension register */
154 #define IPC_DATA_OFFSET_SZ_SHIFT	0
155 #define IPC_DATA_OFFSET_SZ_MASK		0xFFFFF
156 #define IPC_DATA_OFFSET_SZ(x)		(((x) & IPC_DATA_OFFSET_SZ_MASK) \
157 					<< IPC_DATA_OFFSET_SZ_SHIFT)
158 #define IPC_DATA_OFFSET_SZ_CLEAR	~(IPC_DATA_OFFSET_SZ_MASK \
159 					  << IPC_DATA_OFFSET_SZ_SHIFT)
160 
161 #define IPC_LARGE_PARAM_ID_SHIFT	20
162 #define IPC_LARGE_PARAM_ID_MASK		0xFF
163 #define IPC_LARGE_PARAM_ID(x)		(((x) & IPC_LARGE_PARAM_ID_MASK) \
164 					<< IPC_LARGE_PARAM_ID_SHIFT)
165 
166 #define IPC_FINAL_BLOCK_SHIFT		28
167 #define IPC_FINAL_BLOCK_MASK		0x1
168 #define IPC_FINAL_BLOCK(x)		(((x) & IPC_FINAL_BLOCK_MASK) \
169 					<< IPC_FINAL_BLOCK_SHIFT)
170 
171 #define IPC_INITIAL_BLOCK_SHIFT		29
172 #define IPC_INITIAL_BLOCK_MASK		0x1
173 #define IPC_INITIAL_BLOCK(x)		(((x) & IPC_INITIAL_BLOCK_MASK) \
174 					<< IPC_INITIAL_BLOCK_SHIFT)
175 #define IPC_INITIAL_BLOCK_CLEAR		~(IPC_INITIAL_BLOCK_MASK \
176 					  << IPC_INITIAL_BLOCK_SHIFT)
177 /* Set D0ix IPC extension register */
178 #define IPC_D0IX_WAKE_SHIFT		0
179 #define IPC_D0IX_WAKE_MASK		0x1
180 #define IPC_D0IX_WAKE(x)		(((x) & IPC_D0IX_WAKE_MASK) \
181 					<< IPC_D0IX_WAKE_SHIFT)
182 
183 #define IPC_D0IX_STREAMING_SHIFT	1
184 #define IPC_D0IX_STREAMING_MASK		0x1
185 #define IPC_D0IX_STREAMING(x)		(((x) & IPC_D0IX_STREAMING_MASK) \
186 					<< IPC_D0IX_STREAMING_SHIFT)
187 
188 
189 enum skl_ipc_msg_target {
190 	IPC_FW_GEN_MSG = 0,
191 	IPC_MOD_MSG = 1
192 };
193 
194 enum skl_ipc_msg_direction {
195 	IPC_MSG_REQUEST = 0,
196 	IPC_MSG_REPLY = 1
197 };
198 
199 /* Global Message Types */
200 enum skl_ipc_glb_type {
201 	IPC_GLB_GET_FW_VERSION = 0, /* Retrieves firmware version */
202 	IPC_GLB_LOAD_MULTIPLE_MODS = 15,
203 	IPC_GLB_UNLOAD_MULTIPLE_MODS = 16,
204 	IPC_GLB_CREATE_PPL = 17,
205 	IPC_GLB_DELETE_PPL = 18,
206 	IPC_GLB_SET_PPL_STATE = 19,
207 	IPC_GLB_GET_PPL_STATE = 20,
208 	IPC_GLB_GET_PPL_CONTEXT_SIZE = 21,
209 	IPC_GLB_SAVE_PPL = 22,
210 	IPC_GLB_RESTORE_PPL = 23,
211 	IPC_GLB_LOAD_LIBRARY = 24,
212 	IPC_GLB_NOTIFY = 26,
213 	IPC_GLB_MAX_IPC_MSG_NUMBER = 31 /* Maximum message number */
214 };
215 
216 enum skl_ipc_glb_reply {
217 	IPC_GLB_REPLY_SUCCESS = 0,
218 
219 	IPC_GLB_REPLY_UNKNOWN_MSG_TYPE = 1,
220 	IPC_GLB_REPLY_ERROR_INVALID_PARAM = 2,
221 
222 	IPC_GLB_REPLY_BUSY = 3,
223 	IPC_GLB_REPLY_PENDING = 4,
224 	IPC_GLB_REPLY_FAILURE = 5,
225 	IPC_GLB_REPLY_INVALID_REQUEST = 6,
226 
227 	IPC_GLB_REPLY_OUT_OF_MEMORY = 7,
228 	IPC_GLB_REPLY_OUT_OF_MIPS = 8,
229 
230 	IPC_GLB_REPLY_INVALID_RESOURCE_ID = 9,
231 	IPC_GLB_REPLY_INVALID_RESOURCE_STATE = 10,
232 
233 	IPC_GLB_REPLY_MOD_MGMT_ERROR = 100,
234 	IPC_GLB_REPLY_MOD_LOAD_CL_FAILED = 101,
235 	IPC_GLB_REPLY_MOD_LOAD_INVALID_HASH = 102,
236 
237 	IPC_GLB_REPLY_MOD_UNLOAD_INST_EXIST = 103,
238 	IPC_GLB_REPLY_MOD_NOT_INITIALIZED = 104,
239 
240 	IPC_GLB_REPLY_INVALID_CONFIG_PARAM_ID = 120,
241 	IPC_GLB_REPLY_INVALID_CONFIG_DATA_LEN = 121,
242 	IPC_GLB_REPLY_GATEWAY_NOT_INITIALIZED = 140,
243 	IPC_GLB_REPLY_GATEWAY_NOT_EXIST = 141,
244 	IPC_GLB_REPLY_SCLK_ALREADY_RUNNING = 150,
245 	IPC_GLB_REPLY_MCLK_ALREADY_RUNNING = 151,
246 
247 	IPC_GLB_REPLY_PPL_NOT_INITIALIZED = 160,
248 	IPC_GLB_REPLY_PPL_NOT_EXIST = 161,
249 	IPC_GLB_REPLY_PPL_SAVE_FAILED = 162,
250 	IPC_GLB_REPLY_PPL_RESTORE_FAILED = 163,
251 
252 	IPC_MAX_STATUS = ((1<<IPC_IXC_STATUS_BITS)-1)
253 };
254 
255 enum skl_ipc_notification_type {
256 	IPC_GLB_NOTIFY_GLITCH = 0,
257 	IPC_GLB_NOTIFY_OVERRUN = 1,
258 	IPC_GLB_NOTIFY_UNDERRUN = 2,
259 	IPC_GLB_NOTIFY_END_STREAM = 3,
260 	IPC_GLB_NOTIFY_PHRASE_DETECTED = 4,
261 	IPC_GLB_NOTIFY_RESOURCE_EVENT = 5,
262 	IPC_GLB_NOTIFY_LOG_BUFFER_STATUS = 6,
263 	IPC_GLB_NOTIFY_TIMESTAMP_CAPTURED = 7,
264 	IPC_GLB_NOTIFY_FW_READY = 8
265 };
266 
267 /* Module Message Types */
268 enum skl_ipc_module_msg {
269 	IPC_MOD_INIT_INSTANCE = 0,
270 	IPC_MOD_CONFIG_GET = 1,
271 	IPC_MOD_CONFIG_SET = 2,
272 	IPC_MOD_LARGE_CONFIG_GET = 3,
273 	IPC_MOD_LARGE_CONFIG_SET = 4,
274 	IPC_MOD_BIND = 5,
275 	IPC_MOD_UNBIND = 6,
276 	IPC_MOD_SET_DX = 7,
277 	IPC_MOD_SET_D0IX = 8
278 };
279 
280 void skl_ipc_tx_data_copy(struct ipc_message *msg, char *tx_data,
281 		size_t tx_size)
282 {
283 	if (tx_size)
284 		memcpy(msg->tx.data, tx_data, tx_size);
285 }
286 
287 static bool skl_ipc_is_dsp_busy(struct sst_dsp *dsp)
288 {
289 	u32 hipci;
290 
291 	hipci = sst_dsp_shim_read_unlocked(dsp, SKL_ADSP_REG_HIPCI);
292 	return (hipci & SKL_ADSP_REG_HIPCI_BUSY);
293 }
294 
295 /* Lock to be held by caller */
296 static void skl_ipc_tx_msg(struct sst_generic_ipc *ipc, struct ipc_message *msg)
297 {
298 	struct skl_ipc_header *header = (struct skl_ipc_header *)(&msg->tx.header);
299 
300 	if (msg->tx.size)
301 		sst_dsp_outbox_write(ipc->dsp, msg->tx.data, msg->tx.size);
302 	sst_dsp_shim_write_unlocked(ipc->dsp, SKL_ADSP_REG_HIPCIE,
303 						header->extension);
304 	sst_dsp_shim_write_unlocked(ipc->dsp, SKL_ADSP_REG_HIPCI,
305 		header->primary | SKL_ADSP_REG_HIPCI_BUSY);
306 }
307 
308 int skl_ipc_check_D0i0(struct sst_dsp *dsp, bool state)
309 {
310 	int ret;
311 
312 	/* check D0i3 support */
313 	if (!dsp->fw_ops.set_state_D0i0)
314 		return 0;
315 
316 	/* Attempt D0i0 or D0i3 based on state */
317 	if (state)
318 		ret = dsp->fw_ops.set_state_D0i0(dsp);
319 	else
320 		ret = dsp->fw_ops.set_state_D0i3(dsp);
321 
322 	return ret;
323 }
324 
325 static struct ipc_message *skl_ipc_reply_get_msg(struct sst_generic_ipc *ipc,
326 				u64 ipc_header)
327 {
328 	struct ipc_message *msg =  NULL;
329 	struct skl_ipc_header *header = (struct skl_ipc_header *)(&ipc_header);
330 
331 	if (list_empty(&ipc->rx_list)) {
332 		dev_err(ipc->dev, "ipc: rx list is empty but received 0x%x\n",
333 			header->primary);
334 		goto out;
335 	}
336 
337 	msg = list_first_entry(&ipc->rx_list, struct ipc_message, list);
338 
339 	list_del(&msg->list);
340 out:
341 	return msg;
342 
343 }
344 
345 int skl_ipc_process_notification(struct sst_generic_ipc *ipc,
346 		struct skl_ipc_header header)
347 {
348 	struct skl_dev *skl = container_of(ipc, struct skl_dev, ipc);
349 
350 	if (IPC_GLB_NOTIFY_MSG_TYPE(header.primary)) {
351 		switch (IPC_GLB_NOTIFY_TYPE(header.primary)) {
352 
353 		case IPC_GLB_NOTIFY_UNDERRUN:
354 			dev_err(ipc->dev, "FW Underrun %x\n", header.primary);
355 			break;
356 
357 		case IPC_GLB_NOTIFY_RESOURCE_EVENT:
358 			dev_err(ipc->dev, "MCPS Budget Violation: %x\n",
359 						header.primary);
360 			break;
361 
362 		case IPC_GLB_NOTIFY_FW_READY:
363 			skl->boot_complete = true;
364 			wake_up(&skl->boot_wait);
365 			break;
366 
367 		case IPC_GLB_NOTIFY_PHRASE_DETECTED:
368 			dev_dbg(ipc->dev, "***** Phrase Detected **********\n");
369 
370 			/*
371 			 * Per HW recomendation, After phrase detection,
372 			 * clear the CGCTL.MISCBDCGE.
373 			 *
374 			 * This will be set back on stream closure
375 			 */
376 			skl->enable_miscbdcge(ipc->dev, false);
377 			skl->miscbdcg_disabled = true;
378 			break;
379 
380 		default:
381 			dev_err(ipc->dev, "ipc: Unhandled error msg=%x\n",
382 						header.primary);
383 			break;
384 		}
385 	}
386 
387 	return 0;
388 }
389 
390 struct skl_ipc_err_map {
391 	const char *msg;
392 	enum skl_ipc_glb_reply reply;
393 	int err;
394 };
395 
396 static struct skl_ipc_err_map skl_err_map[] = {
397 	{"DSP out of memory", IPC_GLB_REPLY_OUT_OF_MEMORY, -ENOMEM},
398 	{"DSP busy", IPC_GLB_REPLY_BUSY, -EBUSY},
399 	{"SCLK already running", IPC_GLB_REPLY_SCLK_ALREADY_RUNNING,
400 			IPC_GLB_REPLY_SCLK_ALREADY_RUNNING},
401 	{"MCLK already running", IPC_GLB_REPLY_MCLK_ALREADY_RUNNING,
402 			IPC_GLB_REPLY_MCLK_ALREADY_RUNNING},
403 };
404 
405 static int skl_ipc_set_reply_error_code(struct sst_generic_ipc *ipc, u32 reply)
406 {
407 	int i;
408 
409 	for (i = 0; i < ARRAY_SIZE(skl_err_map); i++) {
410 		if (skl_err_map[i].reply == reply)
411 			break;
412 	}
413 
414 	if (i == ARRAY_SIZE(skl_err_map)) {
415 		dev_err(ipc->dev, "ipc FW reply: %d FW Error Code: %u\n",
416 				reply,
417 				ipc->dsp->fw_ops.get_fw_errcode(ipc->dsp));
418 		return -EINVAL;
419 	}
420 
421 	if (skl_err_map[i].err < 0)
422 		dev_err(ipc->dev, "ipc FW reply: %s FW Error Code: %u\n",
423 				skl_err_map[i].msg,
424 				ipc->dsp->fw_ops.get_fw_errcode(ipc->dsp));
425 	else
426 		dev_info(ipc->dev, "ipc FW reply: %s FW Error Code: %u\n",
427 				skl_err_map[i].msg,
428 				ipc->dsp->fw_ops.get_fw_errcode(ipc->dsp));
429 
430 	return skl_err_map[i].err;
431 }
432 
433 void skl_ipc_process_reply(struct sst_generic_ipc *ipc,
434 		struct skl_ipc_header header)
435 {
436 	struct ipc_message *msg;
437 	u32 reply = header.primary & IPC_GLB_REPLY_STATUS_MASK;
438 	u64 *ipc_header = (u64 *)(&header);
439 	struct skl_dev *skl = container_of(ipc, struct skl_dev, ipc);
440 	unsigned long flags;
441 
442 	spin_lock_irqsave(&ipc->dsp->spinlock, flags);
443 	msg = skl_ipc_reply_get_msg(ipc, *ipc_header);
444 	spin_unlock_irqrestore(&ipc->dsp->spinlock, flags);
445 	if (msg == NULL) {
446 		dev_dbg(ipc->dev, "ipc: rx list is empty\n");
447 		return;
448 	}
449 
450 	msg->rx.header = *ipc_header;
451 	/* first process the header */
452 	if (reply == IPC_GLB_REPLY_SUCCESS) {
453 		dev_dbg(ipc->dev, "ipc FW reply %x: success\n", header.primary);
454 		/* copy the rx data from the mailbox */
455 		sst_dsp_inbox_read(ipc->dsp, msg->rx.data, msg->rx.size);
456 		switch (IPC_GLB_NOTIFY_MSG_TYPE(header.primary)) {
457 		case IPC_GLB_LOAD_MULTIPLE_MODS:
458 		case IPC_GLB_LOAD_LIBRARY:
459 			skl->mod_load_complete = true;
460 			skl->mod_load_status = true;
461 			wake_up(&skl->mod_load_wait);
462 			break;
463 
464 		default:
465 			break;
466 
467 		}
468 	} else {
469 		msg->errno = skl_ipc_set_reply_error_code(ipc, reply);
470 		switch (IPC_GLB_NOTIFY_MSG_TYPE(header.primary)) {
471 		case IPC_GLB_LOAD_MULTIPLE_MODS:
472 		case IPC_GLB_LOAD_LIBRARY:
473 			skl->mod_load_complete = true;
474 			skl->mod_load_status = false;
475 			wake_up(&skl->mod_load_wait);
476 			break;
477 
478 		default:
479 			break;
480 
481 		}
482 	}
483 
484 	spin_lock_irqsave(&ipc->dsp->spinlock, flags);
485 	sst_ipc_tx_msg_reply_complete(ipc, msg);
486 	spin_unlock_irqrestore(&ipc->dsp->spinlock, flags);
487 }
488 
489 irqreturn_t skl_dsp_irq_thread_handler(int irq, void *context)
490 {
491 	struct sst_dsp *dsp = context;
492 	struct skl_dev *skl = dsp->thread_context;
493 	struct sst_generic_ipc *ipc = &skl->ipc;
494 	struct skl_ipc_header header = {0};
495 	u32 hipcie, hipct, hipcte;
496 	int ipc_irq = 0;
497 
498 	if (dsp->intr_status & SKL_ADSPIS_CL_DMA)
499 		skl_cldma_process_intr(dsp);
500 
501 	/* Here we handle IPC interrupts only */
502 	if (!(dsp->intr_status & SKL_ADSPIS_IPC))
503 		return IRQ_NONE;
504 
505 	hipcie = sst_dsp_shim_read_unlocked(dsp, SKL_ADSP_REG_HIPCIE);
506 	hipct = sst_dsp_shim_read_unlocked(dsp, SKL_ADSP_REG_HIPCT);
507 	hipcte = sst_dsp_shim_read_unlocked(dsp, SKL_ADSP_REG_HIPCTE);
508 
509 	/* reply message from DSP */
510 	if (hipcie & SKL_ADSP_REG_HIPCIE_DONE) {
511 		sst_dsp_shim_update_bits(dsp, SKL_ADSP_REG_HIPCCTL,
512 			SKL_ADSP_REG_HIPCCTL_DONE, 0);
513 
514 		/* clear DONE bit - tell DSP we have completed the operation */
515 		sst_dsp_shim_update_bits_forced(dsp, SKL_ADSP_REG_HIPCIE,
516 			SKL_ADSP_REG_HIPCIE_DONE, SKL_ADSP_REG_HIPCIE_DONE);
517 
518 		ipc_irq = 1;
519 
520 		/* unmask Done interrupt */
521 		sst_dsp_shim_update_bits(dsp, SKL_ADSP_REG_HIPCCTL,
522 			SKL_ADSP_REG_HIPCCTL_DONE, SKL_ADSP_REG_HIPCCTL_DONE);
523 	}
524 
525 	/* New message from DSP */
526 	if (hipct & SKL_ADSP_REG_HIPCT_BUSY) {
527 		header.primary = hipct;
528 		header.extension = hipcte;
529 		dev_dbg(dsp->dev, "IPC irq: Firmware respond primary:%x\n",
530 						header.primary);
531 		dev_dbg(dsp->dev, "IPC irq: Firmware respond extension:%x\n",
532 						header.extension);
533 
534 		if (IPC_GLB_NOTIFY_RSP_TYPE(header.primary)) {
535 			/* Handle Immediate reply from DSP Core */
536 			skl_ipc_process_reply(ipc, header);
537 		} else {
538 			dev_dbg(dsp->dev, "IPC irq: Notification from firmware\n");
539 			skl_ipc_process_notification(ipc, header);
540 		}
541 		/* clear  busy interrupt */
542 		sst_dsp_shim_update_bits_forced(dsp, SKL_ADSP_REG_HIPCT,
543 			SKL_ADSP_REG_HIPCT_BUSY, SKL_ADSP_REG_HIPCT_BUSY);
544 		ipc_irq = 1;
545 	}
546 
547 	if (ipc_irq == 0)
548 		return IRQ_NONE;
549 
550 	skl_ipc_int_enable(dsp);
551 
552 	/* continue to send any remaining messages... */
553 	schedule_work(&ipc->kwork);
554 
555 	return IRQ_HANDLED;
556 }
557 
558 void skl_ipc_int_enable(struct sst_dsp *ctx)
559 {
560 	sst_dsp_shim_update_bits(ctx, SKL_ADSP_REG_ADSPIC,
561 			SKL_ADSPIC_IPC, SKL_ADSPIC_IPC);
562 }
563 
564 void skl_ipc_int_disable(struct sst_dsp *ctx)
565 {
566 	sst_dsp_shim_update_bits_unlocked(ctx, SKL_ADSP_REG_ADSPIC,
567 			SKL_ADSPIC_IPC, 0);
568 }
569 
570 void skl_ipc_op_int_enable(struct sst_dsp *ctx)
571 {
572 	/* enable IPC DONE interrupt */
573 	sst_dsp_shim_update_bits(ctx, SKL_ADSP_REG_HIPCCTL,
574 		SKL_ADSP_REG_HIPCCTL_DONE, SKL_ADSP_REG_HIPCCTL_DONE);
575 
576 	/* Enable IPC BUSY interrupt */
577 	sst_dsp_shim_update_bits(ctx, SKL_ADSP_REG_HIPCCTL,
578 		SKL_ADSP_REG_HIPCCTL_BUSY, SKL_ADSP_REG_HIPCCTL_BUSY);
579 }
580 
581 void skl_ipc_op_int_disable(struct sst_dsp *ctx)
582 {
583 	/* disable IPC DONE interrupt */
584 	sst_dsp_shim_update_bits_unlocked(ctx, SKL_ADSP_REG_HIPCCTL,
585 					SKL_ADSP_REG_HIPCCTL_DONE, 0);
586 
587 	/* Disable IPC BUSY interrupt */
588 	sst_dsp_shim_update_bits_unlocked(ctx, SKL_ADSP_REG_HIPCCTL,
589 					SKL_ADSP_REG_HIPCCTL_BUSY, 0);
590 
591 }
592 
593 bool skl_ipc_int_status(struct sst_dsp *ctx)
594 {
595 	return sst_dsp_shim_read_unlocked(ctx,
596 			SKL_ADSP_REG_ADSPIS) & SKL_ADSPIS_IPC;
597 }
598 
599 int skl_ipc_init(struct device *dev, struct skl_dev *skl)
600 {
601 	struct sst_generic_ipc *ipc;
602 	int err;
603 
604 	ipc = &skl->ipc;
605 	ipc->dsp = skl->dsp;
606 	ipc->dev = dev;
607 
608 	ipc->tx_data_max_size = SKL_ADSP_W1_SZ;
609 	ipc->rx_data_max_size = SKL_ADSP_W0_UP_SZ;
610 
611 	err = sst_ipc_init(ipc);
612 	if (err)
613 		return err;
614 
615 	ipc->ops.tx_msg = skl_ipc_tx_msg;
616 	ipc->ops.tx_data_copy = skl_ipc_tx_data_copy;
617 	ipc->ops.is_dsp_busy = skl_ipc_is_dsp_busy;
618 
619 	return 0;
620 }
621 
622 void skl_ipc_free(struct sst_generic_ipc *ipc)
623 {
624 	/* Disable IPC DONE interrupt */
625 	sst_dsp_shim_update_bits(ipc->dsp, SKL_ADSP_REG_HIPCCTL,
626 		SKL_ADSP_REG_HIPCCTL_DONE, 0);
627 
628 	/* Disable IPC BUSY interrupt */
629 	sst_dsp_shim_update_bits(ipc->dsp, SKL_ADSP_REG_HIPCCTL,
630 		SKL_ADSP_REG_HIPCCTL_BUSY, 0);
631 
632 	sst_ipc_fini(ipc);
633 }
634 
635 int skl_ipc_create_pipeline(struct sst_generic_ipc *ipc,
636 		u16 ppl_mem_size, u8 ppl_type, u8 instance_id, u8 lp_mode)
637 {
638 	struct skl_ipc_header header = {0};
639 	struct sst_ipc_message request = {0};
640 	int ret;
641 
642 	header.primary = IPC_MSG_TARGET(IPC_FW_GEN_MSG);
643 	header.primary |= IPC_MSG_DIR(IPC_MSG_REQUEST);
644 	header.primary |= IPC_GLB_TYPE(IPC_GLB_CREATE_PPL);
645 	header.primary |= IPC_INSTANCE_ID(instance_id);
646 	header.primary |= IPC_PPL_TYPE(ppl_type);
647 	header.primary |= IPC_PPL_MEM_SIZE(ppl_mem_size);
648 
649 	header.extension = IPC_PPL_LP_MODE(lp_mode);
650 	request.header = *(u64 *)(&header);
651 
652 	dev_dbg(ipc->dev, "In %s header=%d\n", __func__, header.primary);
653 	ret = sst_ipc_tx_message_wait(ipc, request, NULL);
654 	if (ret < 0) {
655 		dev_err(ipc->dev, "ipc: create pipeline fail, err: %d\n", ret);
656 		return ret;
657 	}
658 
659 	return ret;
660 }
661 EXPORT_SYMBOL_GPL(skl_ipc_create_pipeline);
662 
663 int skl_ipc_delete_pipeline(struct sst_generic_ipc *ipc, u8 instance_id)
664 {
665 	struct skl_ipc_header header = {0};
666 	struct sst_ipc_message request = {0};
667 	int ret;
668 
669 	header.primary = IPC_MSG_TARGET(IPC_FW_GEN_MSG);
670 	header.primary |= IPC_MSG_DIR(IPC_MSG_REQUEST);
671 	header.primary |= IPC_GLB_TYPE(IPC_GLB_DELETE_PPL);
672 	header.primary |= IPC_INSTANCE_ID(instance_id);
673 	request.header = *(u64 *)(&header);
674 
675 	dev_dbg(ipc->dev, "In %s header=%d\n", __func__, header.primary);
676 	ret = sst_ipc_tx_message_wait(ipc, request, NULL);
677 	if (ret < 0) {
678 		dev_err(ipc->dev, "ipc: delete pipeline failed, err %d\n", ret);
679 		return ret;
680 	}
681 
682 	return 0;
683 }
684 EXPORT_SYMBOL_GPL(skl_ipc_delete_pipeline);
685 
686 int skl_ipc_set_pipeline_state(struct sst_generic_ipc *ipc,
687 		u8 instance_id, enum skl_ipc_pipeline_state state)
688 {
689 	struct skl_ipc_header header = {0};
690 	struct sst_ipc_message request = {0};
691 	int ret;
692 
693 	header.primary = IPC_MSG_TARGET(IPC_FW_GEN_MSG);
694 	header.primary |= IPC_MSG_DIR(IPC_MSG_REQUEST);
695 	header.primary |= IPC_GLB_TYPE(IPC_GLB_SET_PPL_STATE);
696 	header.primary |= IPC_INSTANCE_ID(instance_id);
697 	header.primary |= IPC_PPL_STATE(state);
698 	request.header = *(u64 *)(&header);
699 
700 	dev_dbg(ipc->dev, "In %s header=%d\n", __func__, header.primary);
701 	ret = sst_ipc_tx_message_wait(ipc, request, NULL);
702 	if (ret < 0) {
703 		dev_err(ipc->dev, "ipc: set pipeline state failed, err: %d\n", ret);
704 		return ret;
705 	}
706 	return ret;
707 }
708 EXPORT_SYMBOL_GPL(skl_ipc_set_pipeline_state);
709 
710 int
711 skl_ipc_save_pipeline(struct sst_generic_ipc *ipc, u8 instance_id, int dma_id)
712 {
713 	struct skl_ipc_header header = {0};
714 	struct sst_ipc_message request = {0};
715 	int ret;
716 
717 	header.primary = IPC_MSG_TARGET(IPC_FW_GEN_MSG);
718 	header.primary |= IPC_MSG_DIR(IPC_MSG_REQUEST);
719 	header.primary |= IPC_GLB_TYPE(IPC_GLB_SAVE_PPL);
720 	header.primary |= IPC_INSTANCE_ID(instance_id);
721 
722 	header.extension = IPC_DMA_ID(dma_id);
723 	request.header = *(u64 *)(&header);
724 
725 	dev_dbg(ipc->dev, "In %s header=%d\n", __func__, header.primary);
726 	ret = sst_ipc_tx_message_wait(ipc, request, NULL);
727 	if (ret < 0) {
728 		dev_err(ipc->dev, "ipc: save pipeline failed, err: %d\n", ret);
729 		return ret;
730 	}
731 
732 	return ret;
733 }
734 EXPORT_SYMBOL_GPL(skl_ipc_save_pipeline);
735 
736 int skl_ipc_restore_pipeline(struct sst_generic_ipc *ipc, u8 instance_id)
737 {
738 	struct skl_ipc_header header = {0};
739 	struct sst_ipc_message request = {0};
740 	int ret;
741 
742 	header.primary = IPC_MSG_TARGET(IPC_FW_GEN_MSG);
743 	header.primary |= IPC_MSG_DIR(IPC_MSG_REQUEST);
744 	header.primary |= IPC_GLB_TYPE(IPC_GLB_RESTORE_PPL);
745 	header.primary |= IPC_INSTANCE_ID(instance_id);
746 	request.header = *(u64 *)(&header);
747 
748 	dev_dbg(ipc->dev, "In %s header=%d\n", __func__, header.primary);
749 	ret = sst_ipc_tx_message_wait(ipc, request, NULL);
750 	if (ret < 0) {
751 		dev_err(ipc->dev, "ipc: restore  pipeline failed, err: %d\n", ret);
752 		return ret;
753 	}
754 
755 	return ret;
756 }
757 EXPORT_SYMBOL_GPL(skl_ipc_restore_pipeline);
758 
759 int skl_ipc_set_dx(struct sst_generic_ipc *ipc, u8 instance_id,
760 		u16 module_id, struct skl_ipc_dxstate_info *dx)
761 {
762 	struct skl_ipc_header header = {0};
763 	struct sst_ipc_message request;
764 	int ret;
765 
766 	header.primary = IPC_MSG_TARGET(IPC_MOD_MSG);
767 	header.primary |= IPC_MSG_DIR(IPC_MSG_REQUEST);
768 	header.primary |= IPC_GLB_TYPE(IPC_MOD_SET_DX);
769 	header.primary |= IPC_MOD_INSTANCE_ID(instance_id);
770 	header.primary |= IPC_MOD_ID(module_id);
771 
772 	request.header = *(u64 *)(&header);
773 	request.data = dx;
774 	request.size = sizeof(*dx);
775 
776 	dev_dbg(ipc->dev, "In %s primary =%x ext=%x\n", __func__,
777 			 header.primary, header.extension);
778 	ret = sst_ipc_tx_message_wait(ipc, request, NULL);
779 	if (ret < 0) {
780 		dev_err(ipc->dev, "ipc: set dx failed, err %d\n", ret);
781 		return ret;
782 	}
783 
784 	return ret;
785 }
786 EXPORT_SYMBOL_GPL(skl_ipc_set_dx);
787 
788 int skl_ipc_init_instance(struct sst_generic_ipc *ipc,
789 		struct skl_ipc_init_instance_msg *msg, void *param_data)
790 {
791 	struct skl_ipc_header header = {0};
792 	struct sst_ipc_message request;
793 	int ret;
794 	u32 *buffer = (u32 *)param_data;
795 	 /* param_block_size must be in dwords */
796 	u16 param_block_size = msg->param_data_size / sizeof(u32);
797 
798 	print_hex_dump_debug("Param data:", DUMP_PREFIX_NONE,
799 		16, 4, buffer, param_block_size, false);
800 
801 	header.primary = IPC_MSG_TARGET(IPC_MOD_MSG);
802 	header.primary |= IPC_MSG_DIR(IPC_MSG_REQUEST);
803 	header.primary |= IPC_GLB_TYPE(IPC_MOD_INIT_INSTANCE);
804 	header.primary |= IPC_MOD_INSTANCE_ID(msg->instance_id);
805 	header.primary |= IPC_MOD_ID(msg->module_id);
806 
807 	header.extension = IPC_CORE_ID(msg->core_id);
808 	header.extension |= IPC_PPL_INSTANCE_ID(msg->ppl_instance_id);
809 	header.extension |= IPC_PARAM_BLOCK_SIZE(param_block_size);
810 	header.extension |= IPC_DOMAIN(msg->domain);
811 
812 	request.header = *(u64 *)(&header);
813 	request.data = param_data;
814 	request.size = msg->param_data_size;
815 
816 	dev_dbg(ipc->dev, "In %s primary =%x ext=%x\n", __func__,
817 			 header.primary, header.extension);
818 	ret = sst_ipc_tx_message_wait(ipc, request, NULL);
819 
820 	if (ret < 0) {
821 		dev_err(ipc->dev, "ipc: init instance failed\n");
822 		return ret;
823 	}
824 
825 	return ret;
826 }
827 EXPORT_SYMBOL_GPL(skl_ipc_init_instance);
828 
829 int skl_ipc_bind_unbind(struct sst_generic_ipc *ipc,
830 		struct skl_ipc_bind_unbind_msg *msg)
831 {
832 	struct skl_ipc_header header = {0};
833 	struct sst_ipc_message request = {0};
834 	u8 bind_unbind = msg->bind ? IPC_MOD_BIND : IPC_MOD_UNBIND;
835 	int ret;
836 
837 	header.primary = IPC_MSG_TARGET(IPC_MOD_MSG);
838 	header.primary |= IPC_MSG_DIR(IPC_MSG_REQUEST);
839 	header.primary |= IPC_GLB_TYPE(bind_unbind);
840 	header.primary |= IPC_MOD_INSTANCE_ID(msg->instance_id);
841 	header.primary |= IPC_MOD_ID(msg->module_id);
842 
843 	header.extension = IPC_DST_MOD_ID(msg->dst_module_id);
844 	header.extension |= IPC_DST_MOD_INSTANCE_ID(msg->dst_instance_id);
845 	header.extension |= IPC_DST_QUEUE(msg->dst_queue);
846 	header.extension |= IPC_SRC_QUEUE(msg->src_queue);
847 	request.header = *(u64 *)(&header);
848 
849 	dev_dbg(ipc->dev, "In %s hdr=%x ext=%x\n", __func__, header.primary,
850 			 header.extension);
851 	ret = sst_ipc_tx_message_wait(ipc, request, NULL);
852 	if (ret < 0) {
853 		dev_err(ipc->dev, "ipc: bind/unbind failed\n");
854 		return ret;
855 	}
856 
857 	return ret;
858 }
859 EXPORT_SYMBOL_GPL(skl_ipc_bind_unbind);
860 
861 /*
862  * In order to load a module we need to send IPC to initiate that. DMA will
863  * performed to load the module memory. The FW supports multiple module load
864  * at single shot, so we can send IPC with N modules represented by
865  * module_cnt
866  */
867 int skl_ipc_load_modules(struct sst_generic_ipc *ipc,
868 				u8 module_cnt, void *data)
869 {
870 	struct skl_ipc_header header = {0};
871 	struct sst_ipc_message request;
872 	int ret;
873 
874 	header.primary = IPC_MSG_TARGET(IPC_FW_GEN_MSG);
875 	header.primary |= IPC_MSG_DIR(IPC_MSG_REQUEST);
876 	header.primary |= IPC_GLB_TYPE(IPC_GLB_LOAD_MULTIPLE_MODS);
877 	header.primary |= IPC_LOAD_MODULE_CNT(module_cnt);
878 
879 	request.header = *(u64 *)(&header);
880 	request.data = data;
881 	request.size = sizeof(u16) * module_cnt;
882 
883 	ret = sst_ipc_tx_message_nowait(ipc, request);
884 	if (ret < 0)
885 		dev_err(ipc->dev, "ipc: load modules failed :%d\n", ret);
886 
887 	return ret;
888 }
889 EXPORT_SYMBOL_GPL(skl_ipc_load_modules);
890 
891 int skl_ipc_unload_modules(struct sst_generic_ipc *ipc, u8 module_cnt,
892 							void *data)
893 {
894 	struct skl_ipc_header header = {0};
895 	struct sst_ipc_message request;
896 	int ret;
897 
898 	header.primary = IPC_MSG_TARGET(IPC_FW_GEN_MSG);
899 	header.primary |= IPC_MSG_DIR(IPC_MSG_REQUEST);
900 	header.primary |= IPC_GLB_TYPE(IPC_GLB_UNLOAD_MULTIPLE_MODS);
901 	header.primary |= IPC_LOAD_MODULE_CNT(module_cnt);
902 
903 	request.header = *(u64 *)(&header);
904 	request.data = data;
905 	request.size = sizeof(u16) * module_cnt;
906 
907 	ret = sst_ipc_tx_message_wait(ipc, request, NULL);
908 	if (ret < 0)
909 		dev_err(ipc->dev, "ipc: unload modules failed :%d\n", ret);
910 
911 	return ret;
912 }
913 EXPORT_SYMBOL_GPL(skl_ipc_unload_modules);
914 
915 int skl_ipc_set_large_config(struct sst_generic_ipc *ipc,
916 		struct skl_ipc_large_config_msg *msg, u32 *param)
917 {
918 	struct skl_ipc_header header = {0};
919 	struct sst_ipc_message request;
920 	int ret = 0;
921 	size_t sz_remaining, tx_size, data_offset;
922 
923 	header.primary = IPC_MSG_TARGET(IPC_MOD_MSG);
924 	header.primary |= IPC_MSG_DIR(IPC_MSG_REQUEST);
925 	header.primary |= IPC_GLB_TYPE(IPC_MOD_LARGE_CONFIG_SET);
926 	header.primary |= IPC_MOD_INSTANCE_ID(msg->instance_id);
927 	header.primary |= IPC_MOD_ID(msg->module_id);
928 
929 	header.extension = IPC_DATA_OFFSET_SZ(msg->param_data_size);
930 	header.extension |= IPC_LARGE_PARAM_ID(msg->large_param_id);
931 	header.extension |= IPC_FINAL_BLOCK(0);
932 	header.extension |= IPC_INITIAL_BLOCK(1);
933 
934 	sz_remaining = msg->param_data_size;
935 	data_offset = 0;
936 	while (sz_remaining != 0) {
937 		tx_size = sz_remaining > SKL_ADSP_W1_SZ
938 				? SKL_ADSP_W1_SZ : sz_remaining;
939 		if (tx_size == sz_remaining)
940 			header.extension |= IPC_FINAL_BLOCK(1);
941 
942 		dev_dbg(ipc->dev, "In %s primary=%#x ext=%#x\n", __func__,
943 			header.primary, header.extension);
944 		dev_dbg(ipc->dev, "transmitting offset: %#x, size: %#x\n",
945 			(unsigned)data_offset, (unsigned)tx_size);
946 
947 		request.header = *(u64 *)(&header);
948 		request.data = ((char *)param) + data_offset;
949 		request.size = tx_size;
950 		ret = sst_ipc_tx_message_wait(ipc, request, NULL);
951 		if (ret < 0) {
952 			dev_err(ipc->dev,
953 				"ipc: set large config fail, err: %d\n", ret);
954 			return ret;
955 		}
956 		sz_remaining -= tx_size;
957 		data_offset = msg->param_data_size - sz_remaining;
958 
959 		/* clear the fields */
960 		header.extension &= IPC_INITIAL_BLOCK_CLEAR;
961 		header.extension &= IPC_DATA_OFFSET_SZ_CLEAR;
962 		/* fill the fields */
963 		header.extension |= IPC_INITIAL_BLOCK(0);
964 		header.extension |= IPC_DATA_OFFSET_SZ(data_offset);
965 	}
966 
967 	return ret;
968 }
969 EXPORT_SYMBOL_GPL(skl_ipc_set_large_config);
970 
971 int skl_ipc_get_large_config(struct sst_generic_ipc *ipc,
972 		struct skl_ipc_large_config_msg *msg,
973 		u32 **payload, size_t *bytes)
974 {
975 	struct skl_ipc_header header = {0};
976 	struct sst_ipc_message request, reply = {0};
977 	unsigned int *buf;
978 	int ret;
979 
980 	reply.data = kzalloc(SKL_ADSP_W1_SZ, GFP_KERNEL);
981 	if (!reply.data)
982 		return -ENOMEM;
983 
984 	header.primary = IPC_MSG_TARGET(IPC_MOD_MSG);
985 	header.primary |= IPC_MSG_DIR(IPC_MSG_REQUEST);
986 	header.primary |= IPC_GLB_TYPE(IPC_MOD_LARGE_CONFIG_GET);
987 	header.primary |= IPC_MOD_INSTANCE_ID(msg->instance_id);
988 	header.primary |= IPC_MOD_ID(msg->module_id);
989 
990 	header.extension = IPC_DATA_OFFSET_SZ(msg->param_data_size);
991 	header.extension |= IPC_LARGE_PARAM_ID(msg->large_param_id);
992 	header.extension |= IPC_FINAL_BLOCK(1);
993 	header.extension |= IPC_INITIAL_BLOCK(1);
994 
995 	request.header = *(u64 *)&header;
996 	request.data = *payload;
997 	request.size = *bytes;
998 	reply.size = SKL_ADSP_W1_SZ;
999 
1000 	ret = sst_ipc_tx_message_wait(ipc, request, &reply);
1001 	if (ret < 0)
1002 		dev_err(ipc->dev, "ipc: get large config fail, err: %d\n", ret);
1003 
1004 	reply.size = (reply.header >> 32) & IPC_DATA_OFFSET_SZ_MASK;
1005 	buf = krealloc(reply.data, reply.size, GFP_KERNEL);
1006 	if (!buf) {
1007 		kfree(reply.data);
1008 		return -ENOMEM;
1009 	}
1010 	*payload = buf;
1011 	*bytes = reply.size;
1012 
1013 	return ret;
1014 }
1015 EXPORT_SYMBOL_GPL(skl_ipc_get_large_config);
1016 
1017 int skl_sst_ipc_load_library(struct sst_generic_ipc *ipc,
1018 				u8 dma_id, u8 table_id, bool wait)
1019 {
1020 	struct skl_ipc_header header = {0};
1021 	struct sst_ipc_message request = {0};
1022 	int ret = 0;
1023 
1024 	header.primary = IPC_MSG_TARGET(IPC_FW_GEN_MSG);
1025 	header.primary |= IPC_MSG_DIR(IPC_MSG_REQUEST);
1026 	header.primary |= IPC_GLB_TYPE(IPC_GLB_LOAD_LIBRARY);
1027 	header.primary |= IPC_MOD_INSTANCE_ID(table_id);
1028 	header.primary |= IPC_MOD_ID(dma_id);
1029 	request.header = *(u64 *)(&header);
1030 
1031 	if (wait)
1032 		ret = sst_ipc_tx_message_wait(ipc, request, NULL);
1033 	else
1034 		ret = sst_ipc_tx_message_nowait(ipc, request);
1035 
1036 	if (ret < 0)
1037 		dev_err(ipc->dev, "ipc: load lib failed\n");
1038 
1039 	return ret;
1040 }
1041 EXPORT_SYMBOL_GPL(skl_sst_ipc_load_library);
1042 
1043 int skl_ipc_set_d0ix(struct sst_generic_ipc *ipc, struct skl_ipc_d0ix_msg *msg)
1044 {
1045 	struct skl_ipc_header header = {0};
1046 	struct sst_ipc_message request = {0};
1047 	int ret;
1048 
1049 	header.primary = IPC_MSG_TARGET(IPC_MOD_MSG);
1050 	header.primary |= IPC_MSG_DIR(IPC_MSG_REQUEST);
1051 	header.primary |= IPC_GLB_TYPE(IPC_MOD_SET_D0IX);
1052 	header.primary |= IPC_MOD_INSTANCE_ID(msg->instance_id);
1053 	header.primary |= IPC_MOD_ID(msg->module_id);
1054 
1055 	header.extension = IPC_D0IX_WAKE(msg->wake);
1056 	header.extension |= IPC_D0IX_STREAMING(msg->streaming);
1057 	request.header = *(u64 *)(&header);
1058 
1059 	dev_dbg(ipc->dev, "In %s primary=%x ext=%x\n", __func__,
1060 			header.primary,	header.extension);
1061 
1062 	/*
1063 	 * Use the nopm IPC here as we dont want it checking for D0iX
1064 	 */
1065 	ret = sst_ipc_tx_message_nopm(ipc, request, NULL);
1066 	if (ret < 0)
1067 		dev_err(ipc->dev, "ipc: set d0ix failed, err %d\n", ret);
1068 
1069 	return ret;
1070 }
1071 EXPORT_SYMBOL_GPL(skl_ipc_set_d0ix);
1072