xref: /openbmc/linux/sound/soc/intel/skylake/bxt-sst.c (revision e639c869)
1 /*
2  *  bxt-sst.c - DSP library functions for BXT platform
3  *
4  *  Copyright (C) 2015-16 Intel Corp
5  *  Author:Rafal Redzimski <rafal.f.redzimski@intel.com>
6  *	   Jeeja KP <jeeja.kp@intel.com>
7  *
8  *  This program is free software; you can redistribute it and/or modify
9  *  it under the terms of the GNU General Public License as published by
10  *  the Free Software Foundation; version 2 of the License.
11  *
12  *  This program is distributed in the hope that it will be useful, but
13  *  WITHOUT ANY WARRANTY; without even the implied warranty of
14  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
15  *  General Public License for more details.
16  */
17 
18 #include <linux/module.h>
19 #include <linux/delay.h>
20 #include <linux/firmware.h>
21 #include <linux/device.h>
22 
23 #include "../common/sst-dsp.h"
24 #include "../common/sst-dsp-priv.h"
25 #include "skl-sst-ipc.h"
26 
27 #define BXT_BASEFW_TIMEOUT	3000
28 #define BXT_INIT_TIMEOUT	300
29 #define BXT_ROM_INIT_TIMEOUT	70
30 #define BXT_IPC_PURGE_FW	0x01004000
31 
32 #define BXT_ROM_INIT		0x5
33 #define BXT_ADSP_SRAM0_BASE	0x80000
34 
35 /* Firmware status window */
36 #define BXT_ADSP_FW_STATUS	BXT_ADSP_SRAM0_BASE
37 #define BXT_ADSP_ERROR_CODE     (BXT_ADSP_FW_STATUS + 0x4)
38 
39 #define BXT_ADSP_SRAM1_BASE	0xA0000
40 
41 #define BXT_INSTANCE_ID 0
42 #define BXT_BASE_FW_MODULE_ID 0
43 
44 #define BXT_ADSP_FW_BIN_HDR_OFFSET 0x2000
45 
46 /* Delay before scheduling D0i3 entry */
47 #define BXT_D0I3_DELAY 5000
48 
49 #define BXT_FW_ROM_INIT_RETRY 3
50 
51 static unsigned int bxt_get_errorcode(struct sst_dsp *ctx)
52 {
53 	 return sst_dsp_shim_read(ctx, BXT_ADSP_ERROR_CODE);
54 }
55 
56 static int
57 bxt_load_library(struct sst_dsp *ctx, struct skl_lib_info *linfo, int lib_count)
58 {
59 	struct snd_dma_buffer dmab;
60 	struct skl_sst *skl = ctx->thread_context;
61 	struct firmware stripped_fw;
62 	int ret = 0, i, dma_id, stream_tag;
63 
64 	/* library indices start from 1 to N. 0 represents base FW */
65 	for (i = 1; i < lib_count; i++) {
66 		ret = skl_prepare_lib_load(skl, &skl->lib_info[i], &stripped_fw,
67 					BXT_ADSP_FW_BIN_HDR_OFFSET, i);
68 		if (ret < 0)
69 			goto load_library_failed;
70 
71 		stream_tag = ctx->dsp_ops.prepare(ctx->dev, 0x40,
72 					stripped_fw.size, &dmab);
73 		if (stream_tag <= 0) {
74 			dev_err(ctx->dev, "Lib prepare DMA err: %x\n",
75 					stream_tag);
76 			ret = stream_tag;
77 			goto load_library_failed;
78 		}
79 
80 		dma_id = stream_tag - 1;
81 		memcpy(dmab.area, stripped_fw.data, stripped_fw.size);
82 
83 		ctx->dsp_ops.trigger(ctx->dev, true, stream_tag);
84 		ret = skl_sst_ipc_load_library(&skl->ipc, dma_id, i, true);
85 		if (ret < 0)
86 			dev_err(ctx->dev, "IPC Load Lib for %s fail: %d\n",
87 					linfo[i].name, ret);
88 
89 		ctx->dsp_ops.trigger(ctx->dev, false, stream_tag);
90 		ctx->dsp_ops.cleanup(ctx->dev, &dmab, stream_tag);
91 	}
92 
93 	return ret;
94 
95 load_library_failed:
96 	skl_release_library(linfo, lib_count);
97 	return ret;
98 }
99 
100 /*
101  * First boot sequence has some extra steps. Core 0 waits for power
102  * status on core 1, so power up core 1 also momentarily, keep it in
103  * reset/stall and then turn it off
104  */
105 static int sst_bxt_prepare_fw(struct sst_dsp *ctx,
106 			const void *fwdata, u32 fwsize)
107 {
108 	int stream_tag, ret;
109 
110 	stream_tag = ctx->dsp_ops.prepare(ctx->dev, 0x40, fwsize, &ctx->dmab);
111 	if (stream_tag <= 0) {
112 		dev_err(ctx->dev, "Failed to prepare DMA FW loading err: %x\n",
113 				stream_tag);
114 		return stream_tag;
115 	}
116 
117 	ctx->dsp_ops.stream_tag = stream_tag;
118 	memcpy(ctx->dmab.area, fwdata, fwsize);
119 
120 	/* Step 1: Power up core 0 and core1 */
121 	ret = skl_dsp_core_power_up(ctx, SKL_DSP_CORE0_MASK |
122 				SKL_DSP_CORE_MASK(1));
123 	if (ret < 0) {
124 		dev_err(ctx->dev, "dsp core0/1 power up failed\n");
125 		goto base_fw_load_failed;
126 	}
127 
128 	/* Step 2: Purge FW request */
129 	sst_dsp_shim_write(ctx, SKL_ADSP_REG_HIPCI, SKL_ADSP_REG_HIPCI_BUSY |
130 				(BXT_IPC_PURGE_FW | ((stream_tag - 1) << 9)));
131 
132 	/* Step 3: Unset core0 reset state & unstall/run core0 */
133 	ret = skl_dsp_start_core(ctx, SKL_DSP_CORE0_MASK);
134 	if (ret < 0) {
135 		dev_err(ctx->dev, "Start dsp core failed ret: %d\n", ret);
136 		ret = -EIO;
137 		goto base_fw_load_failed;
138 	}
139 
140 	/* Step 4: Wait for DONE Bit */
141 	ret = sst_dsp_register_poll(ctx, SKL_ADSP_REG_HIPCIE,
142 					SKL_ADSP_REG_HIPCIE_DONE,
143 					SKL_ADSP_REG_HIPCIE_DONE,
144 					BXT_INIT_TIMEOUT, "HIPCIE Done");
145 	if (ret < 0) {
146 		dev_err(ctx->dev, "Timeout for Purge Request%d\n", ret);
147 		goto base_fw_load_failed;
148 	}
149 
150 	/* Step 5: power down core1 */
151 	ret = skl_dsp_core_power_down(ctx, SKL_DSP_CORE_MASK(1));
152 	if (ret < 0) {
153 		dev_err(ctx->dev, "dsp core1 power down failed\n");
154 		goto base_fw_load_failed;
155 	}
156 
157 	/* Step 6: Enable Interrupt */
158 	skl_ipc_int_enable(ctx);
159 	skl_ipc_op_int_enable(ctx);
160 
161 	/* Step 7: Wait for ROM init */
162 	ret = sst_dsp_register_poll(ctx, BXT_ADSP_FW_STATUS, SKL_FW_STS_MASK,
163 			SKL_FW_INIT, BXT_ROM_INIT_TIMEOUT, "ROM Load");
164 	if (ret < 0) {
165 		dev_err(ctx->dev, "Timeout for ROM init, ret:%d\n", ret);
166 		goto base_fw_load_failed;
167 	}
168 
169 	return ret;
170 
171 base_fw_load_failed:
172 	ctx->dsp_ops.cleanup(ctx->dev, &ctx->dmab, stream_tag);
173 	skl_dsp_core_power_down(ctx, SKL_DSP_CORE_MASK(1));
174 	skl_dsp_disable_core(ctx, SKL_DSP_CORE0_MASK);
175 	return ret;
176 }
177 
178 static int sst_transfer_fw_host_dma(struct sst_dsp *ctx)
179 {
180 	int ret;
181 
182 	ctx->dsp_ops.trigger(ctx->dev, true, ctx->dsp_ops.stream_tag);
183 	ret = sst_dsp_register_poll(ctx, BXT_ADSP_FW_STATUS, SKL_FW_STS_MASK,
184 			BXT_ROM_INIT, BXT_BASEFW_TIMEOUT, "Firmware boot");
185 
186 	ctx->dsp_ops.trigger(ctx->dev, false, ctx->dsp_ops.stream_tag);
187 	ctx->dsp_ops.cleanup(ctx->dev, &ctx->dmab, ctx->dsp_ops.stream_tag);
188 
189 	return ret;
190 }
191 
192 static int bxt_load_base_firmware(struct sst_dsp *ctx)
193 {
194 	struct firmware stripped_fw;
195 	struct skl_sst *skl = ctx->thread_context;
196 	int ret, i;
197 
198 	if (ctx->fw == NULL) {
199 		ret = request_firmware(&ctx->fw, ctx->fw_name, ctx->dev);
200 		if (ret < 0) {
201 			dev_err(ctx->dev, "Request firmware failed %d\n", ret);
202 			return ret;
203 		}
204 	}
205 
206 	/* prase uuids on first boot */
207 	if (skl->is_first_boot) {
208 		ret = snd_skl_parse_uuids(ctx, ctx->fw, BXT_ADSP_FW_BIN_HDR_OFFSET, 0);
209 		if (ret < 0)
210 			goto sst_load_base_firmware_failed;
211 	}
212 
213 	stripped_fw.data = ctx->fw->data;
214 	stripped_fw.size = ctx->fw->size;
215 	skl_dsp_strip_extended_manifest(&stripped_fw);
216 
217 
218 	for (i = 0; i < BXT_FW_ROM_INIT_RETRY; i++) {
219 		ret = sst_bxt_prepare_fw(ctx, stripped_fw.data, stripped_fw.size);
220 		if (ret == 0)
221 			break;
222 	}
223 
224 	if (ret < 0) {
225 		dev_err(ctx->dev, "Error code=0x%x: FW status=0x%x\n",
226 			sst_dsp_shim_read(ctx, BXT_ADSP_ERROR_CODE),
227 			sst_dsp_shim_read(ctx, BXT_ADSP_FW_STATUS));
228 
229 		dev_err(ctx->dev, "Core En/ROM load fail:%d\n", ret);
230 		goto sst_load_base_firmware_failed;
231 	}
232 
233 	ret = sst_transfer_fw_host_dma(ctx);
234 	if (ret < 0) {
235 		dev_err(ctx->dev, "Transfer firmware failed %d\n", ret);
236 		dev_info(ctx->dev, "Error code=0x%x: FW status=0x%x\n",
237 			sst_dsp_shim_read(ctx, BXT_ADSP_ERROR_CODE),
238 			sst_dsp_shim_read(ctx, BXT_ADSP_FW_STATUS));
239 
240 		skl_dsp_disable_core(ctx, SKL_DSP_CORE0_MASK);
241 	} else {
242 		dev_dbg(ctx->dev, "Firmware download successful\n");
243 		ret = wait_event_timeout(skl->boot_wait, skl->boot_complete,
244 					msecs_to_jiffies(SKL_IPC_BOOT_MSECS));
245 		if (ret == 0) {
246 			dev_err(ctx->dev, "DSP boot fail, FW Ready timeout\n");
247 			skl_dsp_disable_core(ctx, SKL_DSP_CORE0_MASK);
248 			ret = -EIO;
249 		} else {
250 			ret = 0;
251 			skl->fw_loaded = true;
252 		}
253 	}
254 
255 	return ret;
256 
257 sst_load_base_firmware_failed:
258 	release_firmware(ctx->fw);
259 	ctx->fw = NULL;
260 	return ret;
261 }
262 
263 /*
264  * Decide the D0i3 state that can be targeted based on the usecase
265  * ref counts and DSP state
266  *
267  * Decision Matrix:  (X= dont care; state = target state)
268  *
269  * DSP state != SKL_DSP_RUNNING ; state = no d0i3
270  *
271  * DSP state == SKL_DSP_RUNNING , the following matrix applies
272  * non_d0i3 >0; streaming =X; non_streaming =X; state = no d0i3
273  * non_d0i3 =X; streaming =0; non_streaming =0; state = no d0i3
274  * non_d0i3 =0; streaming >0; non_streaming =X; state = streaming d0i3
275  * non_d0i3 =0; streaming =0; non_streaming =X; state = non-streaming d0i3
276  */
277 static int bxt_d0i3_target_state(struct sst_dsp *ctx)
278 {
279 	struct skl_sst *skl = ctx->thread_context;
280 	struct skl_d0i3_data *d0i3 = &skl->d0i3;
281 
282 	if (skl->cores.state[SKL_DSP_CORE0_ID] != SKL_DSP_RUNNING)
283 		return SKL_DSP_D0I3_NONE;
284 
285 	if (d0i3->non_d0i3)
286 		return SKL_DSP_D0I3_NONE;
287 	else if (d0i3->streaming)
288 		return SKL_DSP_D0I3_STREAMING;
289 	else if (d0i3->non_streaming)
290 		return SKL_DSP_D0I3_NON_STREAMING;
291 	else
292 		return SKL_DSP_D0I3_NONE;
293 }
294 
295 static void bxt_set_dsp_D0i3(struct work_struct *work)
296 {
297 	int ret;
298 	struct skl_ipc_d0ix_msg msg;
299 	struct skl_sst *skl = container_of(work,
300 			struct skl_sst, d0i3.work.work);
301 	struct sst_dsp *ctx = skl->dsp;
302 	struct skl_d0i3_data *d0i3 = &skl->d0i3;
303 	int target_state;
304 
305 	dev_dbg(ctx->dev, "In %s:\n", __func__);
306 
307 	/* D0i3 entry allowed only if core 0 alone is running */
308 	if (skl_dsp_get_enabled_cores(ctx) !=  SKL_DSP_CORE0_MASK) {
309 		dev_warn(ctx->dev,
310 				"D0i3 allowed when only core0 running:Exit\n");
311 		return;
312 	}
313 
314 	target_state = bxt_d0i3_target_state(ctx);
315 	if (target_state == SKL_DSP_D0I3_NONE)
316 		return;
317 
318 	msg.instance_id = 0;
319 	msg.module_id = 0;
320 	msg.wake = 1;
321 	msg.streaming = 0;
322 	if (target_state == SKL_DSP_D0I3_STREAMING)
323 		msg.streaming = 1;
324 
325 	ret =  skl_ipc_set_d0ix(&skl->ipc, &msg);
326 
327 	if (ret < 0) {
328 		dev_err(ctx->dev, "Failed to set DSP to D0i3 state\n");
329 		return;
330 	}
331 
332 	/* Set Vendor specific register D0I3C.I3 to enable D0i3*/
333 	if (skl->update_d0i3c)
334 		skl->update_d0i3c(skl->dev, true);
335 
336 	d0i3->state = target_state;
337 	skl->cores.state[SKL_DSP_CORE0_ID] = SKL_DSP_RUNNING_D0I3;
338 }
339 
340 static int bxt_schedule_dsp_D0i3(struct sst_dsp *ctx)
341 {
342 	struct skl_sst *skl = ctx->thread_context;
343 	struct skl_d0i3_data *d0i3 = &skl->d0i3;
344 
345 	/* Schedule D0i3 only if the usecase ref counts are appropriate */
346 	if (bxt_d0i3_target_state(ctx) != SKL_DSP_D0I3_NONE) {
347 
348 		dev_dbg(ctx->dev, "%s: Schedule D0i3\n", __func__);
349 
350 		schedule_delayed_work(&d0i3->work,
351 				msecs_to_jiffies(BXT_D0I3_DELAY));
352 	}
353 
354 	return 0;
355 }
356 
357 static int bxt_set_dsp_D0i0(struct sst_dsp *ctx)
358 {
359 	int ret;
360 	struct skl_ipc_d0ix_msg msg;
361 	struct skl_sst *skl = ctx->thread_context;
362 
363 	dev_dbg(ctx->dev, "In %s:\n", __func__);
364 
365 	/* First Cancel any pending attempt to put DSP to D0i3 */
366 	cancel_delayed_work_sync(&skl->d0i3.work);
367 
368 	/* If DSP is currently in D0i3, bring it to D0i0 */
369 	if (skl->cores.state[SKL_DSP_CORE0_ID] != SKL_DSP_RUNNING_D0I3)
370 		return 0;
371 
372 	dev_dbg(ctx->dev, "Set DSP to D0i0\n");
373 
374 	msg.instance_id = 0;
375 	msg.module_id = 0;
376 	msg.streaming = 0;
377 	msg.wake = 0;
378 
379 	if (skl->d0i3.state == SKL_DSP_D0I3_STREAMING)
380 		msg.streaming = 1;
381 
382 	/* Clear Vendor specific register D0I3C.I3 to disable D0i3*/
383 	if (skl->update_d0i3c)
384 		skl->update_d0i3c(skl->dev, false);
385 
386 	ret =  skl_ipc_set_d0ix(&skl->ipc, &msg);
387 	if (ret < 0) {
388 		dev_err(ctx->dev, "Failed to set DSP to D0i0\n");
389 		return ret;
390 	}
391 
392 	skl->cores.state[SKL_DSP_CORE0_ID] = SKL_DSP_RUNNING;
393 	skl->d0i3.state = SKL_DSP_D0I3_NONE;
394 
395 	return 0;
396 }
397 
398 static int bxt_set_dsp_D0(struct sst_dsp *ctx, unsigned int core_id)
399 {
400 	struct skl_sst *skl = ctx->thread_context;
401 	int ret;
402 	struct skl_ipc_dxstate_info dx;
403 	unsigned int core_mask = SKL_DSP_CORE_MASK(core_id);
404 
405 	if (skl->fw_loaded == false) {
406 		skl->boot_complete = false;
407 		ret = bxt_load_base_firmware(ctx);
408 		if (ret < 0) {
409 			dev_err(ctx->dev, "reload fw failed: %d\n", ret);
410 			return ret;
411 		}
412 
413 		if (skl->lib_count > 1) {
414 			ret = bxt_load_library(ctx, skl->lib_info,
415 						skl->lib_count);
416 			if (ret < 0) {
417 				dev_err(ctx->dev, "reload libs failed: %d\n", ret);
418 				return ret;
419 			}
420 		}
421 		skl->cores.state[core_id] = SKL_DSP_RUNNING;
422 		return ret;
423 	}
424 
425 	/* If core 0 is being turned on, turn on core 1 as well */
426 	if (core_id == SKL_DSP_CORE0_ID)
427 		ret = skl_dsp_core_power_up(ctx, core_mask |
428 				SKL_DSP_CORE_MASK(1));
429 	else
430 		ret = skl_dsp_core_power_up(ctx, core_mask);
431 
432 	if (ret < 0)
433 		goto err;
434 
435 	if (core_id == SKL_DSP_CORE0_ID) {
436 
437 		/*
438 		 * Enable interrupt after SPA is set and before
439 		 * DSP is unstalled
440 		 */
441 		skl_ipc_int_enable(ctx);
442 		skl_ipc_op_int_enable(ctx);
443 		skl->boot_complete = false;
444 	}
445 
446 	ret = skl_dsp_start_core(ctx, core_mask);
447 	if (ret < 0)
448 		goto err;
449 
450 	if (core_id == SKL_DSP_CORE0_ID) {
451 		ret = wait_event_timeout(skl->boot_wait,
452 				skl->boot_complete,
453 				msecs_to_jiffies(SKL_IPC_BOOT_MSECS));
454 
455 	/* If core 1 was turned on for booting core 0, turn it off */
456 		skl_dsp_core_power_down(ctx, SKL_DSP_CORE_MASK(1));
457 		if (ret == 0) {
458 			dev_err(ctx->dev, "%s: DSP boot timeout\n", __func__);
459 			dev_err(ctx->dev, "Error code=0x%x: FW status=0x%x\n",
460 				sst_dsp_shim_read(ctx, BXT_ADSP_ERROR_CODE),
461 				sst_dsp_shim_read(ctx, BXT_ADSP_FW_STATUS));
462 			dev_err(ctx->dev, "Failed to set core0 to D0 state\n");
463 			ret = -EIO;
464 			goto err;
465 		}
466 	}
467 
468 	/* Tell FW if additional core in now On */
469 
470 	if (core_id != SKL_DSP_CORE0_ID) {
471 		dx.core_mask = core_mask;
472 		dx.dx_mask = core_mask;
473 
474 		ret = skl_ipc_set_dx(&skl->ipc, BXT_INSTANCE_ID,
475 					BXT_BASE_FW_MODULE_ID, &dx);
476 		if (ret < 0) {
477 			dev_err(ctx->dev, "IPC set_dx for core %d fail: %d\n",
478 								core_id, ret);
479 			goto err;
480 		}
481 	}
482 
483 	skl->cores.state[core_id] = SKL_DSP_RUNNING;
484 	return 0;
485 err:
486 	if (core_id == SKL_DSP_CORE0_ID)
487 		core_mask |= SKL_DSP_CORE_MASK(1);
488 	skl_dsp_disable_core(ctx, core_mask);
489 
490 	return ret;
491 }
492 
493 static int bxt_set_dsp_D3(struct sst_dsp *ctx, unsigned int core_id)
494 {
495 	int ret;
496 	struct skl_ipc_dxstate_info dx;
497 	struct skl_sst *skl = ctx->thread_context;
498 	unsigned int core_mask = SKL_DSP_CORE_MASK(core_id);
499 
500 	dx.core_mask = core_mask;
501 	dx.dx_mask = SKL_IPC_D3_MASK;
502 
503 	dev_dbg(ctx->dev, "core mask=%x dx_mask=%x\n",
504 			dx.core_mask, dx.dx_mask);
505 
506 	ret = skl_ipc_set_dx(&skl->ipc, BXT_INSTANCE_ID,
507 				BXT_BASE_FW_MODULE_ID, &dx);
508 	if (ret < 0) {
509 		dev_err(ctx->dev,
510 		"Failed to set DSP to D3:core id = %d;Continue reset\n",
511 		core_id);
512 		/*
513 		 * In case of D3 failure, re-download the firmware, so set
514 		 * fw_loaded to false.
515 		 */
516 		skl->fw_loaded = false;
517 	}
518 
519 	if (core_id == SKL_DSP_CORE0_ID) {
520 		/* disable Interrupt */
521 		skl_ipc_op_int_disable(ctx);
522 		skl_ipc_int_disable(ctx);
523 	}
524 	ret = skl_dsp_disable_core(ctx, core_mask);
525 	if (ret < 0) {
526 		dev_err(ctx->dev, "Failed to disable core %d\n", ret);
527 		return ret;
528 	}
529 	skl->cores.state[core_id] = SKL_DSP_RESET;
530 	return 0;
531 }
532 
533 static const struct skl_dsp_fw_ops bxt_fw_ops = {
534 	.set_state_D0 = bxt_set_dsp_D0,
535 	.set_state_D3 = bxt_set_dsp_D3,
536 	.set_state_D0i3 = bxt_schedule_dsp_D0i3,
537 	.set_state_D0i0 = bxt_set_dsp_D0i0,
538 	.load_fw = bxt_load_base_firmware,
539 	.get_fw_errcode = bxt_get_errorcode,
540 	.load_library = bxt_load_library,
541 };
542 
543 static struct sst_ops skl_ops = {
544 	.irq_handler = skl_dsp_sst_interrupt,
545 	.write = sst_shim32_write,
546 	.read = sst_shim32_read,
547 	.ram_read = sst_memcpy_fromio_32,
548 	.ram_write = sst_memcpy_toio_32,
549 	.free = skl_dsp_free,
550 };
551 
552 static struct sst_dsp_device skl_dev = {
553 	.thread = skl_dsp_irq_thread_handler,
554 	.ops = &skl_ops,
555 };
556 
557 int bxt_sst_dsp_init(struct device *dev, void __iomem *mmio_base, int irq,
558 			const char *fw_name, struct skl_dsp_loader_ops dsp_ops,
559 			struct skl_sst **dsp)
560 {
561 	struct skl_sst *skl;
562 	struct sst_dsp *sst;
563 	int ret;
564 
565 	ret = skl_sst_ctx_init(dev, irq, fw_name, dsp_ops, dsp, &skl_dev);
566 	if (ret < 0) {
567 		dev_err(dev, "%s: no device\n", __func__);
568 		return ret;
569 	}
570 
571 	skl = *dsp;
572 	sst = skl->dsp;
573 	sst->fw_ops = bxt_fw_ops;
574 	sst->addr.lpe = mmio_base;
575 	sst->addr.shim = mmio_base;
576 	sst->addr.sram0_base = BXT_ADSP_SRAM0_BASE;
577 	sst->addr.sram1_base = BXT_ADSP_SRAM1_BASE;
578 	sst->addr.w0_stat_sz = SKL_ADSP_W0_STAT_SZ;
579 	sst->addr.w0_up_sz = SKL_ADSP_W0_UP_SZ;
580 
581 	sst_dsp_mailbox_init(sst, (BXT_ADSP_SRAM0_BASE + SKL_ADSP_W0_STAT_SZ),
582 			SKL_ADSP_W0_UP_SZ, BXT_ADSP_SRAM1_BASE, SKL_ADSP_W1_SZ);
583 
584 	ret = skl_ipc_init(dev, skl);
585 	if (ret) {
586 		skl_dsp_free(sst);
587 		return ret;
588 	}
589 
590 	/* set the D0i3 check */
591 	skl->ipc.ops.check_dsp_lp_on = skl_ipc_check_D0i0;
592 
593 	skl->boot_complete = false;
594 	init_waitqueue_head(&skl->boot_wait);
595 	INIT_DELAYED_WORK(&skl->d0i3.work, bxt_set_dsp_D0i3);
596 	skl->d0i3.state = SKL_DSP_D0I3_NONE;
597 
598 	return 0;
599 }
600 EXPORT_SYMBOL_GPL(bxt_sst_dsp_init);
601 
602 int bxt_sst_init_fw(struct device *dev, struct skl_sst *ctx)
603 {
604 	int ret;
605 	struct sst_dsp *sst = ctx->dsp;
606 
607 	ret = sst->fw_ops.load_fw(sst);
608 	if (ret < 0) {
609 		dev_err(dev, "Load base fw failed: %x\n", ret);
610 		return ret;
611 	}
612 
613 	skl_dsp_init_core_state(sst);
614 
615 	if (ctx->lib_count > 1) {
616 		ret = sst->fw_ops.load_library(sst, ctx->lib_info,
617 						ctx->lib_count);
618 		if (ret < 0) {
619 			dev_err(dev, "Load Library failed : %x\n", ret);
620 			return ret;
621 		}
622 	}
623 	ctx->is_first_boot = false;
624 
625 	return 0;
626 }
627 EXPORT_SYMBOL_GPL(bxt_sst_init_fw);
628 
629 void bxt_sst_dsp_cleanup(struct device *dev, struct skl_sst *ctx)
630 {
631 
632 	skl_release_library(ctx->lib_info, ctx->lib_count);
633 	if (ctx->dsp->fw)
634 		release_firmware(ctx->dsp->fw);
635 	skl_freeup_uuid_list(ctx);
636 	skl_ipc_free(&ctx->ipc);
637 	ctx->dsp->ops->free(ctx->dsp);
638 }
639 EXPORT_SYMBOL_GPL(bxt_sst_dsp_cleanup);
640 
641 MODULE_LICENSE("GPL v2");
642 MODULE_DESCRIPTION("Intel Broxton IPC driver");
643