xref: /openbmc/linux/sound/soc/qcom/qdsp6/audioreach.c (revision 85250a24)
1 // SPDX-License-Identifier: GPL-2.0
2 // Copyright (c) 2020, Linaro Limited
3 
4 #include <linux/kernel.h>
5 #include <linux/slab.h>
6 #include <linux/soc/qcom/apr.h>
7 #include <sound/soc.h>
8 #include <sound/soc-dai.h>
9 #include <sound/pcm.h>
10 #include <sound/pcm_params.h>
11 #include <dt-bindings/soc/qcom,gpr.h>
12 #include "q6apm.h"
13 #include "audioreach.h"
14 
15 /* SubGraph Config */
16 struct apm_sub_graph_data {
17 	struct apm_sub_graph_cfg sub_graph_cfg;
18 	struct apm_prop_data perf_data;
19 	struct apm_sg_prop_id_perf_mode perf;
20 	struct apm_prop_data dir_data;
21 	struct apm_sg_prop_id_direction dir;
22 	struct apm_prop_data sid_data;
23 	struct apm_sg_prop_id_scenario_id sid;
24 
25 } __packed;
26 
27 #define APM_SUB_GRAPH_CFG_NPROP	3
28 
29 struct apm_sub_graph_params  {
30 	struct apm_module_param_data param_data;
31 	uint32_t num_sub_graphs;
32 	struct apm_sub_graph_data sg_cfg[];
33 } __packed;
34 
35 #define APM_SUB_GRAPH_PSIZE(p, n) ALIGN(struct_size(p, sg_cfg, n), 8)
36 
37 /* container config */
38 struct apm_container_obj  {
39 	struct apm_container_cfg container_cfg;
40 	/* Capability ID list */
41 	struct apm_prop_data cap_data;
42 	uint32_t num_capability_id;
43 	uint32_t capability_id;
44 
45 	/* Container graph Position */
46 	struct apm_prop_data pos_data;
47 	struct apm_cont_prop_id_graph_pos pos;
48 
49 	/* Container Stack size */
50 	struct apm_prop_data stack_data;
51 	struct apm_cont_prop_id_stack_size stack;
52 
53 	/* Container proc domain id */
54 	struct apm_prop_data domain_data;
55 	struct apm_cont_prop_id_domain domain;
56 } __packed;
57 
58 struct apm_container_params  {
59 	struct apm_module_param_data param_data;
60 	uint32_t num_containers;
61 	struct apm_container_obj cont_obj[];
62 } __packed;
63 
64 #define APM_CONTAINER_PSIZE(p, n) ALIGN(struct_size(p, cont_obj, n), 8)
65 
66 /* Module List config */
67 struct apm_mod_list_obj {
68 	/* Modules list cfg */
69 	uint32_t sub_graph_id;
70 	uint32_t container_id;
71 	uint32_t num_modules;
72 	struct apm_module_obj mod_cfg[];
73 } __packed;
74 
75 #define APM_MOD_LIST_OBJ_PSIZE(p, n) struct_size(p, mod_cfg, n)
76 
77 struct apm_module_list_params {
78 	struct apm_module_param_data param_data;
79 	uint32_t num_modules_list;
80 	/* Module list config array */
81 	struct apm_mod_list_obj mod_list_obj[];
82 } __packed;
83 
84 
85 /* Module Properties */
86 struct apm_mod_prop_obj {
87 	u32 instance_id;
88 	u32 num_props;
89 	struct apm_prop_data prop_data_1;
90 	struct apm_module_prop_id_port_info prop_id_port;
91 } __packed;
92 
93 struct apm_prop_list_params {
94 	struct apm_module_param_data param_data;
95 	u32 num_modules_prop_cfg;
96 	struct apm_mod_prop_obj mod_prop_obj[];
97 
98 } __packed;
99 
100 #define APM_MOD_PROP_PSIZE(p, n) ALIGN(struct_size(p, mod_prop_obj, n), 8)
101 
102 /* Module Connections */
103 struct apm_mod_conn_list_params {
104 	struct apm_module_param_data param_data;
105 	u32 num_connections;
106 	struct apm_module_conn_obj conn_obj[];
107 
108 } __packed;
109 
110 #define APM_MOD_CONN_PSIZE(p, n) ALIGN(struct_size(p, conn_obj, n), 8)
111 
112 struct apm_graph_open_params {
113 	struct apm_cmd_header *cmd_header;
114 	struct apm_sub_graph_params *sg_data;
115 	struct apm_container_params *cont_data;
116 	struct apm_module_list_params *mod_list_data;
117 	struct apm_prop_list_params *mod_prop_data;
118 	struct apm_mod_conn_list_params *mod_conn_list_data;
119 } __packed;
120 
121 struct apm_pcm_module_media_fmt_cmd {
122 	struct apm_module_param_data param_data;
123 	struct param_id_pcm_output_format_cfg header;
124 	struct payload_pcm_output_format_cfg media_cfg;
125 } __packed;
126 
127 struct apm_rd_shmem_module_config_cmd {
128 	struct apm_module_param_data param_data;
129 	struct param_id_rd_sh_mem_cfg cfg;
130 } __packed;
131 
132 struct apm_sh_module_media_fmt_cmd {
133 	struct media_format header;
134 	struct payload_media_fmt_pcm cfg;
135 } __packed;
136 
137 #define APM_SHMEM_FMT_CFG_PSIZE(ch) ALIGN( \
138 				sizeof(struct apm_sh_module_media_fmt_cmd) + \
139 				ch * sizeof(uint8_t), 8)
140 
141 /* num of channels as argument */
142 #define APM_PCM_MODULE_FMT_CMD_PSIZE(ch) ALIGN( \
143 				sizeof(struct apm_pcm_module_media_fmt_cmd) + \
144 				ch * sizeof(uint8_t), 8)
145 
146 #define APM_PCM_OUT_FMT_CFG_PSIZE(p, n) ALIGN(struct_size(p, channel_mapping, n), 4)
147 
148 struct apm_i2s_module_intf_cfg {
149 	struct apm_module_param_data param_data;
150 	struct param_id_i2s_intf_cfg cfg;
151 } __packed;
152 
153 #define APM_I2S_INTF_CFG_PSIZE ALIGN(sizeof(struct apm_i2s_module_intf_cfg), 8)
154 
155 struct apm_module_hw_ep_mf_cfg {
156 	struct apm_module_param_data param_data;
157 	struct param_id_hw_ep_mf mf;
158 } __packed;
159 
160 #define APM_HW_EP_CFG_PSIZE ALIGN(sizeof(struct apm_module_hw_ep_mf_cfg), 8)
161 
162 struct apm_module_frame_size_factor_cfg {
163 	struct apm_module_param_data param_data;
164 	uint32_t frame_size_factor;
165 } __packed;
166 
167 #define APM_FS_CFG_PSIZE ALIGN(sizeof(struct apm_module_frame_size_factor_cfg), 8)
168 
169 struct apm_module_hw_ep_power_mode_cfg {
170 	struct apm_module_param_data param_data;
171 	struct param_id_hw_ep_power_mode_cfg power_mode;
172 } __packed;
173 
174 #define APM_HW_EP_PMODE_CFG_PSIZE ALIGN(sizeof(struct apm_module_hw_ep_power_mode_cfg),	8)
175 
176 struct apm_module_hw_ep_dma_data_align_cfg {
177 	struct apm_module_param_data param_data;
178 	struct param_id_hw_ep_dma_data_align align;
179 } __packed;
180 
181 #define APM_HW_EP_DALIGN_CFG_PSIZE ALIGN(sizeof(struct apm_module_hw_ep_dma_data_align_cfg), 8)
182 
183 struct apm_gain_module_cfg {
184 	struct apm_module_param_data param_data;
185 	struct param_id_gain_cfg gain_cfg;
186 } __packed;
187 
188 #define APM_GAIN_CFG_PSIZE ALIGN(sizeof(struct apm_gain_module_cfg), 8)
189 
190 struct apm_codec_dma_module_intf_cfg {
191 	struct apm_module_param_data param_data;
192 	struct param_id_codec_dma_intf_cfg cfg;
193 } __packed;
194 
195 #define APM_CDMA_INTF_CFG_PSIZE ALIGN(sizeof(struct apm_codec_dma_module_intf_cfg), 8)
196 
197 static void *__audioreach_alloc_pkt(int payload_size, uint32_t opcode, uint32_t token,
198 				    uint32_t src_port, uint32_t dest_port, bool has_cmd_hdr)
199 {
200 	struct gpr_pkt *pkt;
201 	void *p;
202 	int pkt_size = GPR_HDR_SIZE + payload_size;
203 
204 	if (has_cmd_hdr)
205 		pkt_size += APM_CMD_HDR_SIZE;
206 
207 	p = kzalloc(pkt_size, GFP_KERNEL);
208 	if (!p)
209 		return ERR_PTR(-ENOMEM);
210 
211 	pkt = p;
212 	pkt->hdr.version = GPR_PKT_VER;
213 	pkt->hdr.hdr_size = GPR_PKT_HEADER_WORD_SIZE;
214 	pkt->hdr.pkt_size = pkt_size;
215 	pkt->hdr.dest_port = dest_port;
216 	pkt->hdr.src_port = src_port;
217 
218 	pkt->hdr.dest_domain = GPR_DOMAIN_ID_ADSP;
219 	pkt->hdr.src_domain = GPR_DOMAIN_ID_APPS;
220 	pkt->hdr.token = token;
221 	pkt->hdr.opcode = opcode;
222 
223 	if (has_cmd_hdr) {
224 		struct apm_cmd_header *cmd_header;
225 
226 		p = p + GPR_HDR_SIZE;
227 		cmd_header = p;
228 		cmd_header->payload_size = payload_size;
229 	}
230 
231 	return pkt;
232 }
233 
234 void *audioreach_alloc_pkt(int payload_size, uint32_t opcode, uint32_t token,
235 			   uint32_t src_port, uint32_t dest_port)
236 {
237 	return __audioreach_alloc_pkt(payload_size, opcode, token, src_port, dest_port, false);
238 }
239 EXPORT_SYMBOL_GPL(audioreach_alloc_pkt);
240 
241 void *audioreach_alloc_apm_pkt(int pkt_size, uint32_t opcode, uint32_t token, uint32_t src_port)
242 {
243 	return __audioreach_alloc_pkt(pkt_size, opcode, token, src_port, APM_MODULE_INSTANCE_ID,
244 				      false);
245 }
246 EXPORT_SYMBOL_GPL(audioreach_alloc_apm_pkt);
247 
248 void *audioreach_alloc_cmd_pkt(int payload_size, uint32_t opcode, uint32_t token,
249 			       uint32_t src_port, uint32_t dest_port)
250 {
251 	return __audioreach_alloc_pkt(payload_size, opcode, token, src_port, dest_port, true);
252 }
253 EXPORT_SYMBOL_GPL(audioreach_alloc_cmd_pkt);
254 
255 void *audioreach_alloc_apm_cmd_pkt(int pkt_size, uint32_t opcode, uint32_t token)
256 {
257 	return __audioreach_alloc_pkt(pkt_size, opcode, token, GPR_APM_MODULE_IID,
258 				       APM_MODULE_INSTANCE_ID, true);
259 }
260 EXPORT_SYMBOL_GPL(audioreach_alloc_apm_cmd_pkt);
261 
262 static void apm_populate_container_config(struct apm_container_obj *cfg,
263 					  struct audioreach_container *cont)
264 {
265 
266 	/* Container Config */
267 	cfg->container_cfg.container_id = cont->container_id;
268 	cfg->container_cfg.num_prop = 4;
269 
270 	/* Capability list */
271 	cfg->cap_data.prop_id = APM_CONTAINER_PROP_ID_CAPABILITY_LIST;
272 	cfg->cap_data.prop_size = APM_CONTAINER_PROP_ID_CAPABILITY_SIZE;
273 	cfg->num_capability_id = 1;
274 	cfg->capability_id = cont->capability_id;
275 
276 	/* Graph Position */
277 	cfg->pos_data.prop_id = APM_CONTAINER_PROP_ID_GRAPH_POS;
278 	cfg->pos_data.prop_size = sizeof(struct apm_cont_prop_id_graph_pos);
279 	cfg->pos.graph_pos = cont->graph_pos;
280 
281 	/* Stack size */
282 	cfg->stack_data.prop_id = APM_CONTAINER_PROP_ID_STACK_SIZE;
283 	cfg->stack_data.prop_size = sizeof(struct apm_cont_prop_id_stack_size);
284 	cfg->stack.stack_size = cont->stack_size;
285 
286 	/* Proc domain */
287 	cfg->domain_data.prop_id = APM_CONTAINER_PROP_ID_PROC_DOMAIN;
288 	cfg->domain_data.prop_size = sizeof(struct apm_cont_prop_id_domain);
289 	cfg->domain.proc_domain = cont->proc_domain;
290 }
291 
292 static void apm_populate_sub_graph_config(struct apm_sub_graph_data *cfg,
293 					  struct audioreach_sub_graph *sg)
294 {
295 	cfg->sub_graph_cfg.sub_graph_id = sg->sub_graph_id;
296 	cfg->sub_graph_cfg.num_sub_graph_prop = APM_SUB_GRAPH_CFG_NPROP;
297 
298 	/* Perf Mode */
299 	cfg->perf_data.prop_id = APM_SUB_GRAPH_PROP_ID_PERF_MODE;
300 	cfg->perf_data.prop_size = APM_SG_PROP_ID_PERF_MODE_SIZE;
301 	cfg->perf.perf_mode = sg->perf_mode;
302 
303 	/* Direction */
304 	cfg->dir_data.prop_id = APM_SUB_GRAPH_PROP_ID_DIRECTION;
305 	cfg->dir_data.prop_size = APM_SG_PROP_ID_DIR_SIZE;
306 	cfg->dir.direction = sg->direction;
307 
308 	/* Scenario ID */
309 	cfg->sid_data.prop_id = APM_SUB_GRAPH_PROP_ID_SCENARIO_ID;
310 	cfg->sid_data.prop_size = APM_SG_PROP_ID_SID_SIZE;
311 	cfg->sid.scenario_id = sg->scenario_id;
312 }
313 
314 static void apm_populate_connection_obj(struct apm_module_conn_obj *obj,
315 					struct audioreach_module *module)
316 {
317 	obj->src_mod_inst_id = module->src_mod_inst_id;
318 	obj->src_mod_op_port_id = module->src_mod_op_port_id;
319 	obj->dst_mod_inst_id = module->instance_id;
320 	obj->dst_mod_ip_port_id = module->in_port;
321 }
322 
323 static void apm_populate_module_prop_obj(struct apm_mod_prop_obj *obj,
324 					 struct audioreach_module *module)
325 {
326 
327 	obj->instance_id = module->instance_id;
328 	obj->num_props = 1;
329 	obj->prop_data_1.prop_id = APM_MODULE_PROP_ID_PORT_INFO;
330 	obj->prop_data_1.prop_size = APM_MODULE_PROP_ID_PORT_INFO_SZ;
331 	obj->prop_id_port.max_ip_port = module->max_ip_port;
332 	obj->prop_id_port.max_op_port = module->max_op_port;
333 }
334 
335 struct audioreach_module *audioreach_get_container_last_module(
336 							struct audioreach_container *container)
337 {
338 	struct audioreach_module *module;
339 
340 	list_for_each_entry(module, &container->modules_list, node) {
341 		if (module->dst_mod_inst_id == 0)
342 			return module;
343 	}
344 
345 	return NULL;
346 }
347 EXPORT_SYMBOL_GPL(audioreach_get_container_last_module);
348 
349 static bool is_module_in_container(struct audioreach_container *container, int module_iid)
350 {
351 	struct audioreach_module *module;
352 
353 	list_for_each_entry(module, &container->modules_list, node) {
354 		if (module->instance_id == module_iid)
355 			return true;
356 	}
357 
358 	return false;
359 }
360 
361 struct audioreach_module *audioreach_get_container_first_module(
362 							struct audioreach_container *container)
363 {
364 	struct audioreach_module *module;
365 
366 	/* get the first module from both connected or un-connected containers */
367 	list_for_each_entry(module, &container->modules_list, node) {
368 		if (module->src_mod_inst_id == 0 ||
369 		    !is_module_in_container(container, module->src_mod_inst_id))
370 			return module;
371 	}
372 	return NULL;
373 }
374 EXPORT_SYMBOL_GPL(audioreach_get_container_first_module);
375 
376 struct audioreach_module *audioreach_get_container_next_module(
377 						struct audioreach_container *container,
378 						struct audioreach_module *module)
379 {
380 	int nmodule_iid = module->dst_mod_inst_id;
381 	struct audioreach_module *nmodule;
382 
383 	list_for_each_entry(nmodule, &container->modules_list, node) {
384 		if (nmodule->instance_id == nmodule_iid)
385 			return nmodule;
386 	}
387 
388 	return NULL;
389 }
390 EXPORT_SYMBOL_GPL(audioreach_get_container_next_module);
391 
392 static void apm_populate_module_list_obj(struct apm_mod_list_obj *obj,
393 					 struct audioreach_container *container,
394 					 int sub_graph_id)
395 {
396 	struct audioreach_module *module;
397 	int i;
398 
399 	obj->sub_graph_id = sub_graph_id;
400 	obj->container_id = container->container_id;
401 	obj->num_modules = container->num_modules;
402 	i = 0;
403 	list_for_each_container_module(module, container) {
404 		obj->mod_cfg[i].module_id = module->module_id;
405 		obj->mod_cfg[i].instance_id = module->instance_id;
406 		i++;
407 	}
408 }
409 
410 static void audioreach_populate_graph(struct apm_graph_open_params *open,
411 				      struct list_head *sg_list,
412 				      int num_sub_graphs)
413 {
414 	struct apm_mod_conn_list_params *mc_data = open->mod_conn_list_data;
415 	struct apm_module_list_params *ml_data = open->mod_list_data;
416 	struct apm_prop_list_params *mp_data = open->mod_prop_data;
417 	struct apm_container_params *c_data = open->cont_data;
418 	struct apm_sub_graph_params *sg_data = open->sg_data;
419 	int ncontainer = 0, nmodule = 0, nconn = 0;
420 	struct apm_mod_prop_obj *module_prop_obj;
421 	struct audioreach_container *container;
422 	struct apm_module_conn_obj *conn_obj;
423 	struct audioreach_module *module;
424 	struct audioreach_sub_graph *sg;
425 	struct apm_container_obj *cobj;
426 	struct apm_mod_list_obj *mlobj;
427 	int i = 0;
428 
429 	mlobj = &ml_data->mod_list_obj[0];
430 
431 	list_for_each_entry(sg, sg_list, node) {
432 		struct apm_sub_graph_data *sg_cfg = &sg_data->sg_cfg[i++];
433 
434 		apm_populate_sub_graph_config(sg_cfg, sg);
435 
436 		list_for_each_entry(container, &sg->container_list, node) {
437 			cobj = &c_data->cont_obj[ncontainer];
438 
439 			apm_populate_container_config(cobj, container);
440 			apm_populate_module_list_obj(mlobj, container, sg->sub_graph_id);
441 
442 			list_for_each_container_module(module, container) {
443 				uint32_t src_mod_inst_id;
444 
445 				src_mod_inst_id = module->src_mod_inst_id;
446 
447 				module_prop_obj = &mp_data->mod_prop_obj[nmodule];
448 				apm_populate_module_prop_obj(module_prop_obj, module);
449 
450 				if (src_mod_inst_id) {
451 					conn_obj = &mc_data->conn_obj[nconn];
452 					apm_populate_connection_obj(conn_obj, module);
453 					nconn++;
454 				}
455 
456 				nmodule++;
457 			}
458 			mlobj = (void *) mlobj + APM_MOD_LIST_OBJ_PSIZE(mlobj, container->num_modules);
459 
460 			ncontainer++;
461 		}
462 	}
463 }
464 
465 void *audioreach_alloc_graph_pkt(struct q6apm *apm, struct list_head *sg_list, int graph_id)
466 {
467 	int payload_size, sg_sz, cont_sz, ml_sz, mp_sz, mc_sz;
468 	struct apm_module_param_data  *param_data;
469 	struct apm_container_params *cont_params;
470 	struct audioreach_container *container;
471 	struct apm_sub_graph_params *sg_params;
472 	struct apm_mod_conn_list_params *mcon;
473 	struct apm_graph_open_params params;
474 	struct apm_prop_list_params *mprop;
475 	struct audioreach_module *module;
476 	struct audioreach_sub_graph *sgs;
477 	struct apm_mod_list_obj *mlobj;
478 	int num_modules_per_list;
479 	int num_connections = 0;
480 	int num_containers = 0;
481 	int num_sub_graphs = 0;
482 	int num_modules = 0;
483 	int num_modules_list;
484 	struct gpr_pkt *pkt;
485 	void *p;
486 
487 	list_for_each_entry(sgs, sg_list, node) {
488 		num_sub_graphs++;
489 		list_for_each_entry(container, &sgs->container_list, node) {
490 			num_containers++;
491 			num_modules += container->num_modules;
492 			list_for_each_container_module(module, container) {
493 				if (module->src_mod_inst_id)
494 					num_connections++;
495 			}
496 		}
497 	}
498 
499 	num_modules_list = num_containers;
500 	num_modules_per_list = num_modules/num_containers;
501 	sg_sz = APM_SUB_GRAPH_PSIZE(sg_params, num_sub_graphs);
502 	cont_sz = APM_CONTAINER_PSIZE(cont_params, num_containers);
503 	ml_sz =	ALIGN(sizeof(struct apm_module_list_params) +
504 		num_modules_list * APM_MOD_LIST_OBJ_PSIZE(mlobj,  num_modules_per_list), 8);
505 	mp_sz = APM_MOD_PROP_PSIZE(mprop, num_modules);
506 	mc_sz =	APM_MOD_CONN_PSIZE(mcon, num_connections);
507 
508 	payload_size = sg_sz + cont_sz + ml_sz + mp_sz + mc_sz;
509 	pkt = audioreach_alloc_apm_cmd_pkt(payload_size, APM_CMD_GRAPH_OPEN, 0);
510 	if (IS_ERR(pkt))
511 		return pkt;
512 
513 	p = (void *)pkt + GPR_HDR_SIZE + APM_CMD_HDR_SIZE;
514 
515 	/* SubGraph */
516 	params.sg_data = p;
517 	param_data = &params.sg_data->param_data;
518 	param_data->module_instance_id = APM_MODULE_INSTANCE_ID;
519 	param_data->param_id = APM_PARAM_ID_SUB_GRAPH_CONFIG;
520 	param_data->param_size = sg_sz - APM_MODULE_PARAM_DATA_SIZE;
521 	params.sg_data->num_sub_graphs = num_sub_graphs;
522 	p += sg_sz;
523 
524 	/* Container */
525 	params.cont_data = p;
526 	param_data = &params.cont_data->param_data;
527 	param_data->module_instance_id = APM_MODULE_INSTANCE_ID;
528 	param_data->param_id = APM_PARAM_ID_CONTAINER_CONFIG;
529 	param_data->param_size = cont_sz - APM_MODULE_PARAM_DATA_SIZE;
530 	params.cont_data->num_containers = num_containers;
531 	p += cont_sz;
532 
533 	/* Module List*/
534 	params.mod_list_data = p;
535 	param_data = &params.mod_list_data->param_data;
536 	param_data->module_instance_id = APM_MODULE_INSTANCE_ID;
537 	param_data->param_id = APM_PARAM_ID_MODULE_LIST;
538 	param_data->param_size = ml_sz - APM_MODULE_PARAM_DATA_SIZE;
539 	params.mod_list_data->num_modules_list = num_sub_graphs;
540 	p += ml_sz;
541 
542 	/* Module Properties */
543 	params.mod_prop_data = p;
544 	param_data = &params.mod_prop_data->param_data;
545 	param_data->module_instance_id = APM_MODULE_INSTANCE_ID;
546 	param_data->param_id = APM_PARAM_ID_MODULE_PROP;
547 	param_data->param_size = mp_sz - APM_MODULE_PARAM_DATA_SIZE;
548 	params.mod_prop_data->num_modules_prop_cfg = num_modules;
549 	p += mp_sz;
550 
551 	/* Module Connections */
552 	params.mod_conn_list_data = p;
553 	param_data = &params.mod_conn_list_data->param_data;
554 	param_data->module_instance_id = APM_MODULE_INSTANCE_ID;
555 	param_data->param_id = APM_PARAM_ID_MODULE_CONN;
556 	param_data->param_size = mc_sz - APM_MODULE_PARAM_DATA_SIZE;
557 	params.mod_conn_list_data->num_connections = num_connections;
558 	p += mc_sz;
559 
560 	audioreach_populate_graph(&params, sg_list, num_sub_graphs);
561 
562 	return pkt;
563 }
564 EXPORT_SYMBOL_GPL(audioreach_alloc_graph_pkt);
565 
566 int audioreach_send_cmd_sync(struct device *dev, gpr_device_t *gdev,
567 			     struct gpr_ibasic_rsp_result_t *result, struct mutex *cmd_lock,
568 			     gpr_port_t *port, wait_queue_head_t *cmd_wait,
569 			     struct gpr_pkt *pkt, uint32_t rsp_opcode)
570 {
571 
572 	struct gpr_hdr *hdr = &pkt->hdr;
573 	int rc;
574 
575 	mutex_lock(cmd_lock);
576 	result->opcode = 0;
577 	result->status = 0;
578 
579 	if (port)
580 		rc = gpr_send_port_pkt(port, pkt);
581 	else if (gdev)
582 		rc = gpr_send_pkt(gdev, pkt);
583 	else
584 		rc = -EINVAL;
585 
586 	if (rc < 0)
587 		goto err;
588 
589 	if (rsp_opcode)
590 		rc = wait_event_timeout(*cmd_wait, (result->opcode == hdr->opcode) ||
591 					(result->opcode == rsp_opcode),	5 * HZ);
592 	else
593 		rc = wait_event_timeout(*cmd_wait, (result->opcode == hdr->opcode), 5 * HZ);
594 
595 	if (!rc) {
596 		dev_err(dev, "CMD timeout for [%x] opcode\n", hdr->opcode);
597 		rc = -ETIMEDOUT;
598 	} else if (result->status > 0) {
599 		dev_err(dev, "DSP returned error[%x] %x\n", hdr->opcode, result->status);
600 		rc = -EINVAL;
601 	} else {
602 		/* DSP successfully finished the command */
603 		rc = 0;
604 	}
605 
606 err:
607 	mutex_unlock(cmd_lock);
608 	return rc;
609 }
610 EXPORT_SYMBOL_GPL(audioreach_send_cmd_sync);
611 
612 int audioreach_graph_send_cmd_sync(struct q6apm_graph *graph, struct gpr_pkt *pkt,
613 				   uint32_t rsp_opcode)
614 {
615 
616 	return audioreach_send_cmd_sync(graph->dev, NULL,  &graph->result, &graph->lock,
617 					graph->port, &graph->cmd_wait, pkt, rsp_opcode);
618 }
619 EXPORT_SYMBOL_GPL(audioreach_graph_send_cmd_sync);
620 
621 /* LPASS Codec DMA port Module Media Format Setup */
622 static int audioreach_codec_dma_set_media_format(struct q6apm_graph *graph,
623 						 struct audioreach_module *module,
624 						 struct audioreach_module_config *cfg)
625 {
626 	struct apm_codec_dma_module_intf_cfg *intf_cfg;
627 	struct apm_module_frame_size_factor_cfg *fs_cfg;
628 	struct apm_module_hw_ep_power_mode_cfg *pm_cfg;
629 	struct apm_module_param_data *param_data;
630 	struct apm_module_hw_ep_mf_cfg *hw_cfg;
631 	int ic_sz, ep_sz, fs_sz, pm_sz, dl_sz;
632 	int rc, payload_size;
633 	struct gpr_pkt *pkt;
634 	void *p;
635 
636 	ic_sz = APM_CDMA_INTF_CFG_PSIZE;
637 	ep_sz = APM_HW_EP_CFG_PSIZE;
638 	fs_sz = APM_FS_CFG_PSIZE;
639 	pm_sz = APM_HW_EP_PMODE_CFG_PSIZE;
640 	dl_sz = 0;
641 
642 	payload_size = ic_sz + ep_sz + fs_sz + pm_sz + dl_sz;
643 
644 	pkt = audioreach_alloc_apm_cmd_pkt(payload_size, APM_CMD_SET_CFG, 0);
645 	if (IS_ERR(pkt))
646 		return PTR_ERR(pkt);
647 
648 	p = (void *)pkt + GPR_HDR_SIZE + APM_CMD_HDR_SIZE;
649 
650 	hw_cfg = p;
651 	param_data = &hw_cfg->param_data;
652 	param_data->module_instance_id = module->instance_id;
653 	param_data->error_code = 0;
654 	param_data->param_id = PARAM_ID_HW_EP_MF_CFG;
655 	param_data->param_size = ep_sz - APM_MODULE_PARAM_DATA_SIZE;
656 
657 	hw_cfg->mf.sample_rate = cfg->sample_rate;
658 	hw_cfg->mf.bit_width = cfg->bit_width;
659 	hw_cfg->mf.num_channels = cfg->num_channels;
660 	hw_cfg->mf.data_format = module->data_format;
661 	p += ep_sz;
662 
663 	fs_cfg = p;
664 	param_data = &fs_cfg->param_data;
665 	param_data->module_instance_id = module->instance_id;
666 	param_data->error_code = 0;
667 	param_data->param_id = PARAM_ID_HW_EP_FRAME_SIZE_FACTOR;
668 	param_data->param_size = fs_sz - APM_MODULE_PARAM_DATA_SIZE;
669 	fs_cfg->frame_size_factor = 1;
670 	p += fs_sz;
671 
672 	intf_cfg = p;
673 	param_data = &intf_cfg->param_data;
674 	param_data->module_instance_id = module->instance_id;
675 	param_data->error_code = 0;
676 	param_data->param_id = PARAM_ID_CODEC_DMA_INTF_CFG;
677 	param_data->param_size = ic_sz - APM_MODULE_PARAM_DATA_SIZE;
678 
679 	intf_cfg->cfg.lpaif_type = module->hw_interface_type;
680 	intf_cfg->cfg.intf_index = module->hw_interface_idx;
681 	intf_cfg->cfg.active_channels_mask = (1 << cfg->num_channels) - 1;
682 	p += ic_sz;
683 
684 	pm_cfg = p;
685 	param_data = &pm_cfg->param_data;
686 	param_data->module_instance_id = module->instance_id;
687 	param_data->error_code = 0;
688 	param_data->param_id = PARAM_ID_HW_EP_POWER_MODE_CFG;
689 	param_data->param_size = pm_sz - APM_MODULE_PARAM_DATA_SIZE;
690 	pm_cfg->power_mode.power_mode = 0;
691 
692 	rc = q6apm_send_cmd_sync(graph->apm, pkt, 0);
693 
694 	kfree(pkt);
695 
696 	return rc;
697 }
698 
699 static int audioreach_i2s_set_media_format(struct q6apm_graph *graph,
700 					   struct audioreach_module *module,
701 					   struct audioreach_module_config *cfg)
702 {
703 	struct apm_module_frame_size_factor_cfg *fs_cfg;
704 	struct apm_module_param_data *param_data;
705 	struct apm_i2s_module_intf_cfg *intf_cfg;
706 	struct apm_module_hw_ep_mf_cfg *hw_cfg;
707 	int ic_sz, ep_sz, fs_sz;
708 	int rc, payload_size;
709 	struct gpr_pkt *pkt;
710 	void *p;
711 
712 	ic_sz = APM_I2S_INTF_CFG_PSIZE;
713 	ep_sz = APM_HW_EP_CFG_PSIZE;
714 	fs_sz = APM_FS_CFG_PSIZE;
715 
716 	payload_size = ic_sz + ep_sz + fs_sz;
717 
718 	pkt = audioreach_alloc_apm_cmd_pkt(payload_size, APM_CMD_SET_CFG, 0);
719 	if (IS_ERR(pkt))
720 		return PTR_ERR(pkt);
721 
722 	p = (void *)pkt + GPR_HDR_SIZE + APM_CMD_HDR_SIZE;
723 	intf_cfg = p;
724 
725 	param_data = &intf_cfg->param_data;
726 	param_data->module_instance_id = module->instance_id;
727 	param_data->error_code = 0;
728 	param_data->param_id = PARAM_ID_I2S_INTF_CFG;
729 	param_data->param_size = ic_sz - APM_MODULE_PARAM_DATA_SIZE;
730 
731 	intf_cfg->cfg.intf_idx = module->hw_interface_idx;
732 	intf_cfg->cfg.sd_line_idx = module->sd_line_idx;
733 
734 	switch (cfg->fmt & SND_SOC_DAIFMT_CLOCK_PROVIDER_MASK) {
735 	case SND_SOC_DAIFMT_BP_FP:
736 		intf_cfg->cfg.ws_src = CONFIG_I2S_WS_SRC_INTERNAL;
737 		break;
738 	case SND_SOC_DAIFMT_BC_FC:
739 		/* CPU is slave */
740 		intf_cfg->cfg.ws_src = CONFIG_I2S_WS_SRC_EXTERNAL;
741 		break;
742 	default:
743 		break;
744 	}
745 
746 	p += ic_sz;
747 	hw_cfg = p;
748 	param_data = &hw_cfg->param_data;
749 	param_data->module_instance_id = module->instance_id;
750 	param_data->error_code = 0;
751 	param_data->param_id = PARAM_ID_HW_EP_MF_CFG;
752 	param_data->param_size = ep_sz - APM_MODULE_PARAM_DATA_SIZE;
753 
754 	hw_cfg->mf.sample_rate = cfg->sample_rate;
755 	hw_cfg->mf.bit_width = cfg->bit_width;
756 	hw_cfg->mf.num_channels = cfg->num_channels;
757 	hw_cfg->mf.data_format = module->data_format;
758 
759 	p += ep_sz;
760 	fs_cfg = p;
761 	param_data = &fs_cfg->param_data;
762 	param_data->module_instance_id = module->instance_id;
763 	param_data->error_code = 0;
764 	param_data->param_id = PARAM_ID_HW_EP_FRAME_SIZE_FACTOR;
765 	param_data->param_size = fs_sz - APM_MODULE_PARAM_DATA_SIZE;
766 	fs_cfg->frame_size_factor = 1;
767 
768 	rc = q6apm_send_cmd_sync(graph->apm, pkt, 0);
769 
770 	kfree(pkt);
771 
772 	return rc;
773 }
774 
775 static int audioreach_logging_set_media_format(struct q6apm_graph *graph,
776 					       struct audioreach_module *module)
777 {
778 	struct apm_module_param_data *param_data;
779 	struct data_logging_config *cfg;
780 	int rc, payload_size;
781 	struct gpr_pkt *pkt;
782 	void *p;
783 
784 	payload_size = sizeof(*cfg) + APM_MODULE_PARAM_DATA_SIZE;
785 	pkt = audioreach_alloc_apm_cmd_pkt(payload_size, APM_CMD_SET_CFG, 0);
786 	if (IS_ERR(pkt))
787 		return PTR_ERR(pkt);
788 
789 	p = (void *)pkt + GPR_HDR_SIZE + APM_CMD_HDR_SIZE;
790 
791 	param_data = p;
792 	param_data->module_instance_id = module->instance_id;
793 	param_data->error_code = 0;
794 	param_data->param_id = PARAM_ID_DATA_LOGGING_CONFIG;
795 	param_data->param_size = payload_size - APM_MODULE_PARAM_DATA_SIZE;
796 
797 	p = p + APM_MODULE_PARAM_DATA_SIZE;
798 	cfg = p;
799 	cfg->log_code = module->log_code;
800 	cfg->log_tap_point_id = module->log_tap_point_id;
801 	cfg->mode = module->log_mode;
802 
803 	rc = q6apm_send_cmd_sync(graph->apm, pkt, 0);
804 
805 	kfree(pkt);
806 
807 	return rc;
808 }
809 
810 static int audioreach_pcm_set_media_format(struct q6apm_graph *graph,
811 					   struct audioreach_module *module,
812 					   struct audioreach_module_config *mcfg)
813 {
814 	struct payload_pcm_output_format_cfg *media_cfg;
815 	uint32_t num_channels = mcfg->num_channels;
816 	struct apm_pcm_module_media_fmt_cmd *cfg;
817 	struct apm_module_param_data *param_data;
818 	int rc, payload_size;
819 	struct gpr_pkt *pkt;
820 
821 	if (num_channels > 2) {
822 		dev_err(graph->dev, "Error: Invalid channels (%d)!\n", num_channels);
823 		return -EINVAL;
824 	}
825 
826 	payload_size = APM_PCM_MODULE_FMT_CMD_PSIZE(num_channels);
827 
828 	pkt = audioreach_alloc_apm_cmd_pkt(payload_size, APM_CMD_SET_CFG, 0);
829 	if (IS_ERR(pkt))
830 		return PTR_ERR(pkt);
831 
832 	cfg = (void *)pkt + GPR_HDR_SIZE + APM_CMD_HDR_SIZE;
833 
834 	param_data = &cfg->param_data;
835 	param_data->module_instance_id = module->instance_id;
836 	param_data->error_code = 0;
837 	param_data->param_id = PARAM_ID_PCM_OUTPUT_FORMAT_CFG;
838 	param_data->param_size = payload_size - APM_MODULE_PARAM_DATA_SIZE;
839 
840 	cfg->header.data_format = DATA_FORMAT_FIXED_POINT;
841 	cfg->header.fmt_id = MEDIA_FMT_ID_PCM;
842 	cfg->header.payload_size = APM_PCM_OUT_FMT_CFG_PSIZE(media_cfg, num_channels);
843 
844 	media_cfg = &cfg->media_cfg;
845 	media_cfg->alignment = PCM_LSB_ALIGNED;
846 	media_cfg->bit_width = mcfg->bit_width;
847 	media_cfg->endianness = PCM_LITTLE_ENDIAN;
848 	media_cfg->interleaved = module->interleave_type;
849 	media_cfg->num_channels = mcfg->num_channels;
850 	media_cfg->q_factor = mcfg->bit_width - 1;
851 	media_cfg->bits_per_sample = mcfg->bit_width;
852 
853 	if (num_channels == 1) {
854 		media_cfg->channel_mapping[0] = PCM_CHANNEL_L;
855 	} else if (num_channels == 2) {
856 		media_cfg->channel_mapping[0] = PCM_CHANNEL_L;
857 		media_cfg->channel_mapping[1] = PCM_CHANNEL_R;
858 
859 	}
860 
861 	rc = q6apm_send_cmd_sync(graph->apm, pkt, 0);
862 
863 	kfree(pkt);
864 
865 	return rc;
866 }
867 
868 static int audioreach_shmem_set_media_format(struct q6apm_graph *graph,
869 					     struct audioreach_module *module,
870 					     struct audioreach_module_config *mcfg)
871 {
872 	uint32_t num_channels = mcfg->num_channels;
873 	struct apm_module_param_data *param_data;
874 	struct payload_media_fmt_pcm *cfg;
875 	struct media_format *header;
876 	int rc, payload_size;
877 	struct gpr_pkt *pkt;
878 	void *p;
879 
880 	if (num_channels > 2) {
881 		dev_err(graph->dev, "Error: Invalid channels (%d)!\n", num_channels);
882 		return -EINVAL;
883 	}
884 
885 	payload_size = APM_SHMEM_FMT_CFG_PSIZE(num_channels) + APM_MODULE_PARAM_DATA_SIZE;
886 
887 	pkt = audioreach_alloc_cmd_pkt(payload_size, APM_CMD_SET_CFG, 0,
888 				     graph->port->id, module->instance_id);
889 	if (IS_ERR(pkt))
890 		return PTR_ERR(pkt);
891 
892 	p = (void *)pkt + GPR_HDR_SIZE + APM_CMD_HDR_SIZE;
893 
894 	param_data = p;
895 	param_data->module_instance_id = module->instance_id;
896 	param_data->error_code = 0;
897 	param_data->param_id = PARAM_ID_MEDIA_FORMAT;
898 	param_data->param_size = payload_size - APM_MODULE_PARAM_DATA_SIZE;
899 	p = p + APM_MODULE_PARAM_DATA_SIZE;
900 
901 	header = p;
902 	header->data_format = DATA_FORMAT_FIXED_POINT;
903 	header->fmt_id = MEDIA_FMT_ID_PCM;
904 	header->payload_size = payload_size - sizeof(*header);
905 
906 	p = p + sizeof(*header);
907 	cfg = p;
908 	cfg->sample_rate = mcfg->sample_rate;
909 	cfg->bit_width = mcfg->bit_width;
910 	cfg->alignment = PCM_LSB_ALIGNED;
911 	cfg->bits_per_sample = mcfg->bit_width;
912 	cfg->q_factor = mcfg->bit_width - 1;
913 	cfg->endianness = PCM_LITTLE_ENDIAN;
914 	cfg->num_channels = mcfg->num_channels;
915 
916 	if (mcfg->num_channels == 1) {
917 		cfg->channel_mapping[0] =  PCM_CHANNEL_L;
918 	} else if (num_channels == 2) {
919 		cfg->channel_mapping[0] =  PCM_CHANNEL_L;
920 		cfg->channel_mapping[1] =  PCM_CHANNEL_R;
921 	}
922 
923 	rc = audioreach_graph_send_cmd_sync(graph, pkt, 0);
924 
925 	kfree(pkt);
926 
927 	return rc;
928 }
929 
930 int audioreach_gain_set_vol_ctrl(struct q6apm *apm, struct audioreach_module *module, int vol)
931 {
932 	struct param_id_vol_ctrl_master_gain *cfg;
933 	struct apm_module_param_data *param_data;
934 	int rc, payload_size;
935 	struct gpr_pkt *pkt;
936 	void *p;
937 
938 	payload_size = sizeof(*cfg) + APM_MODULE_PARAM_DATA_SIZE;
939 	pkt = audioreach_alloc_apm_cmd_pkt(payload_size, APM_CMD_SET_CFG, 0);
940 	if (IS_ERR(pkt))
941 		return PTR_ERR(pkt);
942 
943 	p = (void *)pkt + GPR_HDR_SIZE + APM_CMD_HDR_SIZE;
944 
945 	param_data = p;
946 	param_data->module_instance_id = module->instance_id;
947 	param_data->error_code = 0;
948 	param_data->param_id = PARAM_ID_VOL_CTRL_MASTER_GAIN;
949 	param_data->param_size = payload_size - APM_MODULE_PARAM_DATA_SIZE;
950 
951 	p = p + APM_MODULE_PARAM_DATA_SIZE;
952 	cfg = p;
953 	cfg->master_gain =  vol;
954 	rc = q6apm_send_cmd_sync(apm, pkt, 0);
955 
956 	kfree(pkt);
957 
958 	return rc;
959 }
960 EXPORT_SYMBOL_GPL(audioreach_gain_set_vol_ctrl);
961 
962 static int audioreach_gain_set(struct q6apm_graph *graph, struct audioreach_module *module)
963 {
964 	struct apm_module_param_data *param_data;
965 	struct apm_gain_module_cfg *cfg;
966 	int rc, payload_size;
967 	struct gpr_pkt *pkt;
968 
969 	payload_size = APM_GAIN_CFG_PSIZE;
970 	pkt = audioreach_alloc_apm_cmd_pkt(payload_size, APM_CMD_SET_CFG, 0);
971 	if (IS_ERR(pkt))
972 		return PTR_ERR(pkt);
973 
974 	cfg = (void *)pkt + GPR_HDR_SIZE + APM_CMD_HDR_SIZE;
975 
976 	param_data = &cfg->param_data;
977 	param_data->module_instance_id = module->instance_id;
978 	param_data->error_code = 0;
979 	param_data->param_id = APM_PARAM_ID_GAIN;
980 	param_data->param_size = payload_size - APM_MODULE_PARAM_DATA_SIZE;
981 
982 	cfg->gain_cfg.gain = module->gain;
983 
984 	rc = q6apm_send_cmd_sync(graph->apm, pkt, 0);
985 
986 	kfree(pkt);
987 
988 	return rc;
989 }
990 
991 int audioreach_set_media_format(struct q6apm_graph *graph, struct audioreach_module *module,
992 				struct audioreach_module_config *cfg)
993 {
994 	int rc;
995 
996 	switch (module->module_id) {
997 	case MODULE_ID_DATA_LOGGING:
998 		rc = audioreach_logging_set_media_format(graph, module);
999 		break;
1000 	case MODULE_ID_PCM_DEC:
1001 	case MODULE_ID_PCM_ENC:
1002 	case MODULE_ID_PCM_CNV:
1003 		rc = audioreach_pcm_set_media_format(graph, module, cfg);
1004 		break;
1005 	case MODULE_ID_I2S_SOURCE:
1006 	case MODULE_ID_I2S_SINK:
1007 		rc = audioreach_i2s_set_media_format(graph, module, cfg);
1008 		break;
1009 	case MODULE_ID_WR_SHARED_MEM_EP:
1010 		rc = audioreach_shmem_set_media_format(graph, module, cfg);
1011 		break;
1012 	case MODULE_ID_GAIN:
1013 		rc = audioreach_gain_set(graph, module);
1014 		break;
1015 	case MODULE_ID_CODEC_DMA_SINK:
1016 	case MODULE_ID_CODEC_DMA_SOURCE:
1017 		rc = audioreach_codec_dma_set_media_format(graph, module, cfg);
1018 		break;
1019 	default:
1020 		rc = 0;
1021 	}
1022 
1023 	return rc;
1024 }
1025 EXPORT_SYMBOL_GPL(audioreach_set_media_format);
1026 
1027 void audioreach_graph_free_buf(struct q6apm_graph *graph)
1028 {
1029 	struct audioreach_graph_data *port;
1030 
1031 	mutex_lock(&graph->lock);
1032 	port = &graph->rx_data;
1033 	port->num_periods = 0;
1034 	kfree(port->buf);
1035 	port->buf = NULL;
1036 
1037 	port = &graph->tx_data;
1038 	port->num_periods = 0;
1039 	kfree(port->buf);
1040 	port->buf = NULL;
1041 	mutex_unlock(&graph->lock);
1042 }
1043 EXPORT_SYMBOL_GPL(audioreach_graph_free_buf);
1044 
1045 int audioreach_map_memory_regions(struct q6apm_graph *graph, unsigned int dir, size_t period_sz,
1046 				  unsigned int periods, bool is_contiguous)
1047 {
1048 	struct apm_shared_map_region_payload *mregions;
1049 	struct apm_cmd_shared_mem_map_regions *cmd;
1050 	uint32_t num_regions, buf_sz, payload_size;
1051 	struct audioreach_graph_data *data;
1052 	struct gpr_pkt *pkt;
1053 	void *p;
1054 	int rc, i;
1055 
1056 	if (dir == SNDRV_PCM_STREAM_PLAYBACK)
1057 		data = &graph->rx_data;
1058 	else
1059 		data = &graph->tx_data;
1060 
1061 	if (is_contiguous) {
1062 		num_regions = 1;
1063 		buf_sz = period_sz * periods;
1064 	} else {
1065 		buf_sz = period_sz;
1066 		num_regions = periods;
1067 	}
1068 
1069 	/* DSP expects size should be aligned to 4K */
1070 	buf_sz = ALIGN(buf_sz, 4096);
1071 
1072 	payload_size = sizeof(*cmd) + (sizeof(*mregions) * num_regions);
1073 
1074 	pkt = audioreach_alloc_apm_pkt(payload_size, APM_CMD_SHARED_MEM_MAP_REGIONS, dir,
1075 				     graph->port->id);
1076 	if (IS_ERR(pkt))
1077 		return PTR_ERR(pkt);
1078 
1079 	p = (void *)pkt + GPR_HDR_SIZE;
1080 	cmd = p;
1081 	cmd->mem_pool_id = APM_MEMORY_MAP_SHMEM8_4K_POOL;
1082 	cmd->num_regions = num_regions;
1083 
1084 	cmd->property_flag = 0x0;
1085 
1086 	mregions = p + sizeof(*cmd);
1087 
1088 	mutex_lock(&graph->lock);
1089 
1090 	for (i = 0; i < num_regions; i++) {
1091 		struct audio_buffer *ab;
1092 
1093 		ab = &data->buf[i];
1094 		mregions->shm_addr_lsw = lower_32_bits(ab->phys);
1095 		mregions->shm_addr_msw = upper_32_bits(ab->phys);
1096 		mregions->mem_size_bytes = buf_sz;
1097 		++mregions;
1098 	}
1099 	mutex_unlock(&graph->lock);
1100 
1101 	rc = audioreach_graph_send_cmd_sync(graph, pkt, APM_CMD_RSP_SHARED_MEM_MAP_REGIONS);
1102 
1103 	kfree(pkt);
1104 
1105 	return rc;
1106 }
1107 EXPORT_SYMBOL_GPL(audioreach_map_memory_regions);
1108 
1109 int audioreach_shared_memory_send_eos(struct q6apm_graph *graph)
1110 {
1111 	struct data_cmd_wr_sh_mem_ep_eos *eos;
1112 	struct gpr_pkt *pkt;
1113 	int rc = 0, iid;
1114 
1115 	iid = q6apm_graph_get_rx_shmem_module_iid(graph);
1116 	pkt = audioreach_alloc_cmd_pkt(sizeof(*eos), DATA_CMD_WR_SH_MEM_EP_EOS, 0,
1117 				       graph->port->id, iid);
1118 	if (IS_ERR(pkt))
1119 		return PTR_ERR(pkt);
1120 
1121 	eos = (void *)pkt + GPR_HDR_SIZE + APM_CMD_HDR_SIZE;
1122 
1123 	eos->policy = WR_SH_MEM_EP_EOS_POLICY_LAST;
1124 
1125 	rc = gpr_send_port_pkt(graph->port, pkt);
1126 	kfree(pkt);
1127 
1128 	return rc;
1129 }
1130 EXPORT_SYMBOL_GPL(audioreach_shared_memory_send_eos);
1131