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Linux/sound/soc/intel/skylake/skl-messages.c

Version: ~ [ linux-4.20-rc2 ] ~ [ linux-4.19.1 ] ~ [ linux-4.18.18 ] ~ [ linux-4.17.19 ] ~ [ linux-4.16.18 ] ~ [ linux-4.15.18 ] ~ [ linux-4.14.80 ] ~ [ linux-4.13.16 ] ~ [ linux-4.12.14 ] ~ [ linux-4.11.12 ] ~ [ linux-4.10.17 ] ~ [ linux-4.9.136 ] ~ [ linux-4.8.17 ] ~ [ linux-4.7.10 ] ~ [ linux-4.6.7 ] ~ [ linux-4.5.7 ] ~ [ linux-4.4.163 ] ~ [ linux-4.3.6 ] ~ [ linux-4.2.8 ] ~ [ linux-4.1.52 ] ~ [ linux-4.0.9 ] ~ [ linux-3.19.8 ] ~ [ linux-3.18.125 ] ~ [ linux-3.17.8 ] ~ [ linux-3.16.60 ] ~ [ linux-3.15.10 ] ~ [ linux-3.14.79 ] ~ [ linux-3.13.11 ] ~ [ linux-3.12.74 ] ~ [ linux-3.11.10 ] ~ [ linux-3.10.108 ] ~ [ linux-3.9.11 ] ~ [ linux-3.8.13 ] ~ [ linux-3.7.10 ] ~ [ linux-3.6.11 ] ~ [ linux-3.5.7 ] ~ [ linux-3.4.113 ] ~ [ linux-3.3.8 ] ~ [ linux-3.2.102 ] ~ [ linux-3.1.10 ] ~ [ linux-3.0.101 ] ~ [ linux-2.6.39.4 ] ~ [ linux-2.6.38.8 ] ~ [ linux-2.6.37.6 ] ~ [ linux-2.6.36.4 ] ~ [ linux-2.6.35.14 ] ~ [ linux-2.6.34.15 ] ~ [ linux-2.6.33.20 ] ~ [ linux-2.6.32.71 ] ~ [ linux-2.6.31.14 ] ~ [ linux-2.6.30.10 ] ~ [ linux-2.6.29.6 ] ~ [ linux-2.6.28.10 ] ~ [ linux-2.6.27.62 ] ~ [ linux-2.6.0 ] ~ [ linux-2.4.37.11 ] ~ [ unix-v6-master ] ~ [ ccs-tools-1.8.5 ] ~ [ policy-sample ] ~
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  1 /*
  2  *  skl-message.c - HDA DSP interface for FW registration, Pipe and Module
  3  *  configurations
  4  *
  5  *  Copyright (C) 2015 Intel Corp
  6  *  Author:Rafal Redzimski <rafal.f.redzimski@intel.com>
  7  *         Jeeja KP <jeeja.kp@intel.com>
  8  *  ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  9  *
 10  * This program is free software; you can redistribute it and/or modify
 11  * it under the terms of the GNU General Public License as version 2, as
 12  * published by the Free Software Foundation.
 13  *
 14  * This program is distributed in the hope that it will be useful, but
 15  * WITHOUT ANY WARRANTY; without even the implied warranty of
 16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 17  * General Public License for more details.
 18  */
 19 
 20 #include <linux/slab.h>
 21 #include <linux/pci.h>
 22 #include <sound/core.h>
 23 #include <sound/pcm.h>
 24 #include <uapi/sound/skl-tplg-interface.h>
 25 #include "skl-sst-dsp.h"
 26 #include "cnl-sst-dsp.h"
 27 #include "skl-sst-ipc.h"
 28 #include "skl.h"
 29 #include "../common/sst-dsp.h"
 30 #include "../common/sst-dsp-priv.h"
 31 #include "skl-topology.h"
 32 
 33 static int skl_alloc_dma_buf(struct device *dev,
 34                 struct snd_dma_buffer *dmab, size_t size)
 35 {
 36         struct hdac_bus *bus = dev_get_drvdata(dev);
 37 
 38         if (!bus)
 39                 return -ENODEV;
 40 
 41         return  bus->io_ops->dma_alloc_pages(bus, SNDRV_DMA_TYPE_DEV, size, dmab);
 42 }
 43 
 44 static int skl_free_dma_buf(struct device *dev, struct snd_dma_buffer *dmab)
 45 {
 46         struct hdac_bus *bus = dev_get_drvdata(dev);
 47 
 48         if (!bus)
 49                 return -ENODEV;
 50 
 51         bus->io_ops->dma_free_pages(bus, dmab);
 52 
 53         return 0;
 54 }
 55 
 56 #define SKL_ASTATE_PARAM_ID     4
 57 
 58 void skl_dsp_set_astate_cfg(struct skl_sst *ctx, u32 cnt, void *data)
 59 {
 60         struct skl_ipc_large_config_msg msg = {0};
 61 
 62         msg.large_param_id = SKL_ASTATE_PARAM_ID;
 63         msg.param_data_size = (cnt * sizeof(struct skl_astate_param) +
 64                                 sizeof(cnt));
 65 
 66         skl_ipc_set_large_config(&ctx->ipc, &msg, data);
 67 }
 68 
 69 #define NOTIFICATION_PARAM_ID 3
 70 #define NOTIFICATION_MASK 0xf
 71 
 72 /* disable notfication for underruns/overruns from firmware module */
 73 void skl_dsp_enable_notification(struct skl_sst *ctx, bool enable)
 74 {
 75         struct notification_mask mask;
 76         struct skl_ipc_large_config_msg msg = {0};
 77 
 78         mask.notify = NOTIFICATION_MASK;
 79         mask.enable = enable;
 80 
 81         msg.large_param_id = NOTIFICATION_PARAM_ID;
 82         msg.param_data_size = sizeof(mask);
 83 
 84         skl_ipc_set_large_config(&ctx->ipc, &msg, (u32 *)&mask);
 85 }
 86 
 87 static int skl_dsp_setup_spib(struct device *dev, unsigned int size,
 88                                 int stream_tag, int enable)
 89 {
 90         struct hdac_bus *bus = dev_get_drvdata(dev);
 91         struct hdac_stream *stream = snd_hdac_get_stream(bus,
 92                         SNDRV_PCM_STREAM_PLAYBACK, stream_tag);
 93         struct hdac_ext_stream *estream;
 94 
 95         if (!stream)
 96                 return -EINVAL;
 97 
 98         estream = stream_to_hdac_ext_stream(stream);
 99         /* enable/disable SPIB for this hdac stream */
100         snd_hdac_ext_stream_spbcap_enable(bus, enable, stream->index);
101 
102         /* set the spib value */
103         snd_hdac_ext_stream_set_spib(bus, estream, size);
104 
105         return 0;
106 }
107 
108 static int skl_dsp_prepare(struct device *dev, unsigned int format,
109                         unsigned int size, struct snd_dma_buffer *dmab)
110 {
111         struct hdac_bus *bus = dev_get_drvdata(dev);
112         struct hdac_ext_stream *estream;
113         struct hdac_stream *stream;
114         struct snd_pcm_substream substream;
115         int ret;
116 
117         if (!bus)
118                 return -ENODEV;
119 
120         memset(&substream, 0, sizeof(substream));
121         substream.stream = SNDRV_PCM_STREAM_PLAYBACK;
122 
123         estream = snd_hdac_ext_stream_assign(bus, &substream,
124                                         HDAC_EXT_STREAM_TYPE_HOST);
125         if (!estream)
126                 return -ENODEV;
127 
128         stream = hdac_stream(estream);
129 
130         /* assign decouple host dma channel */
131         ret = snd_hdac_dsp_prepare(stream, format, size, dmab);
132         if (ret < 0)
133                 return ret;
134 
135         skl_dsp_setup_spib(dev, size, stream->stream_tag, true);
136 
137         return stream->stream_tag;
138 }
139 
140 static int skl_dsp_trigger(struct device *dev, bool start, int stream_tag)
141 {
142         struct hdac_bus *bus = dev_get_drvdata(dev);
143         struct hdac_stream *stream;
144 
145         if (!bus)
146                 return -ENODEV;
147 
148         stream = snd_hdac_get_stream(bus,
149                 SNDRV_PCM_STREAM_PLAYBACK, stream_tag);
150         if (!stream)
151                 return -EINVAL;
152 
153         snd_hdac_dsp_trigger(stream, start);
154 
155         return 0;
156 }
157 
158 static int skl_dsp_cleanup(struct device *dev,
159                 struct snd_dma_buffer *dmab, int stream_tag)
160 {
161         struct hdac_bus *bus = dev_get_drvdata(dev);
162         struct hdac_stream *stream;
163         struct hdac_ext_stream *estream;
164 
165         if (!bus)
166                 return -ENODEV;
167 
168         stream = snd_hdac_get_stream(bus,
169                 SNDRV_PCM_STREAM_PLAYBACK, stream_tag);
170         if (!stream)
171                 return -EINVAL;
172 
173         estream = stream_to_hdac_ext_stream(stream);
174         skl_dsp_setup_spib(dev, 0, stream_tag, false);
175         snd_hdac_ext_stream_release(estream, HDAC_EXT_STREAM_TYPE_HOST);
176 
177         snd_hdac_dsp_cleanup(stream, dmab);
178 
179         return 0;
180 }
181 
182 static struct skl_dsp_loader_ops skl_get_loader_ops(void)
183 {
184         struct skl_dsp_loader_ops loader_ops;
185 
186         memset(&loader_ops, 0, sizeof(struct skl_dsp_loader_ops));
187 
188         loader_ops.alloc_dma_buf = skl_alloc_dma_buf;
189         loader_ops.free_dma_buf = skl_free_dma_buf;
190 
191         return loader_ops;
192 };
193 
194 static struct skl_dsp_loader_ops bxt_get_loader_ops(void)
195 {
196         struct skl_dsp_loader_ops loader_ops;
197 
198         memset(&loader_ops, 0, sizeof(loader_ops));
199 
200         loader_ops.alloc_dma_buf = skl_alloc_dma_buf;
201         loader_ops.free_dma_buf = skl_free_dma_buf;
202         loader_ops.prepare = skl_dsp_prepare;
203         loader_ops.trigger = skl_dsp_trigger;
204         loader_ops.cleanup = skl_dsp_cleanup;
205 
206         return loader_ops;
207 };
208 
209 static const struct skl_dsp_ops dsp_ops[] = {
210         {
211                 .id = 0x9d70,
212                 .num_cores = 2,
213                 .loader_ops = skl_get_loader_ops,
214                 .init = skl_sst_dsp_init,
215                 .init_fw = skl_sst_init_fw,
216                 .cleanup = skl_sst_dsp_cleanup
217         },
218         {
219                 .id = 0x9d71,
220                 .num_cores = 2,
221                 .loader_ops = skl_get_loader_ops,
222                 .init = skl_sst_dsp_init,
223                 .init_fw = skl_sst_init_fw,
224                 .cleanup = skl_sst_dsp_cleanup
225         },
226         {
227                 .id = 0x5a98,
228                 .num_cores = 2,
229                 .loader_ops = bxt_get_loader_ops,
230                 .init = bxt_sst_dsp_init,
231                 .init_fw = bxt_sst_init_fw,
232                 .cleanup = bxt_sst_dsp_cleanup
233         },
234         {
235                 .id = 0x3198,
236                 .num_cores = 2,
237                 .loader_ops = bxt_get_loader_ops,
238                 .init = bxt_sst_dsp_init,
239                 .init_fw = bxt_sst_init_fw,
240                 .cleanup = bxt_sst_dsp_cleanup
241         },
242         {
243                 .id = 0x9dc8,
244                 .num_cores = 4,
245                 .loader_ops = bxt_get_loader_ops,
246                 .init = cnl_sst_dsp_init,
247                 .init_fw = cnl_sst_init_fw,
248                 .cleanup = cnl_sst_dsp_cleanup
249         },
250 };
251 
252 const struct skl_dsp_ops *skl_get_dsp_ops(int pci_id)
253 {
254         int i;
255 
256         for (i = 0; i < ARRAY_SIZE(dsp_ops); i++) {
257                 if (dsp_ops[i].id == pci_id)
258                         return &dsp_ops[i];
259         }
260 
261         return NULL;
262 }
263 
264 int skl_init_dsp(struct skl *skl)
265 {
266         void __iomem *mmio_base;
267         struct hdac_bus *bus = skl_to_bus(skl);
268         struct skl_dsp_loader_ops loader_ops;
269         int irq = bus->irq;
270         const struct skl_dsp_ops *ops;
271         struct skl_dsp_cores *cores;
272         int ret;
273 
274         /* enable ppcap interrupt */
275         snd_hdac_ext_bus_ppcap_enable(bus, true);
276         snd_hdac_ext_bus_ppcap_int_enable(bus, true);
277 
278         /* read the BAR of the ADSP MMIO */
279         mmio_base = pci_ioremap_bar(skl->pci, 4);
280         if (mmio_base == NULL) {
281                 dev_err(bus->dev, "ioremap error\n");
282                 return -ENXIO;
283         }
284 
285         ops = skl_get_dsp_ops(skl->pci->device);
286         if (!ops) {
287                 ret = -EIO;
288                 goto unmap_mmio;
289         }
290 
291         loader_ops = ops->loader_ops();
292         ret = ops->init(bus->dev, mmio_base, irq,
293                                 skl->fw_name, loader_ops,
294                                 &skl->skl_sst);
295 
296         if (ret < 0)
297                 goto unmap_mmio;
298 
299         skl->skl_sst->dsp_ops = ops;
300         cores = &skl->skl_sst->cores;
301         cores->count = ops->num_cores;
302 
303         cores->state = kcalloc(cores->count, sizeof(*cores->state), GFP_KERNEL);
304         if (!cores->state) {
305                 ret = -ENOMEM;
306                 goto unmap_mmio;
307         }
308 
309         cores->usage_count = kcalloc(cores->count, sizeof(*cores->usage_count),
310                                      GFP_KERNEL);
311         if (!cores->usage_count) {
312                 ret = -ENOMEM;
313                 goto free_core_state;
314         }
315 
316         dev_dbg(bus->dev, "dsp registration status=%d\n", ret);
317 
318         return 0;
319 
320 free_core_state:
321         kfree(cores->state);
322 
323 unmap_mmio:
324         iounmap(mmio_base);
325 
326         return ret;
327 }
328 
329 int skl_free_dsp(struct skl *skl)
330 {
331         struct hdac_bus *bus = skl_to_bus(skl);
332         struct skl_sst *ctx = skl->skl_sst;
333 
334         /* disable  ppcap interrupt */
335         snd_hdac_ext_bus_ppcap_int_enable(bus, false);
336 
337         ctx->dsp_ops->cleanup(bus->dev, ctx);
338 
339         kfree(ctx->cores.state);
340         kfree(ctx->cores.usage_count);
341 
342         if (ctx->dsp->addr.lpe)
343                 iounmap(ctx->dsp->addr.lpe);
344 
345         return 0;
346 }
347 
348 /*
349  * In the case of "suspend_active" i.e, the Audio IP being active
350  * during system suspend, immediately excecute any pending D0i3 work
351  * before suspending. This is needed for the IP to work in low power
352  * mode during system suspend. In the case of normal suspend, cancel
353  * any pending D0i3 work.
354  */
355 int skl_suspend_late_dsp(struct skl *skl)
356 {
357         struct skl_sst *ctx = skl->skl_sst;
358         struct delayed_work *dwork;
359 
360         if (!ctx)
361                 return 0;
362 
363         dwork = &ctx->d0i3.work;
364 
365         if (dwork->work.func) {
366                 if (skl->supend_active)
367                         flush_delayed_work(dwork);
368                 else
369                         cancel_delayed_work_sync(dwork);
370         }
371 
372         return 0;
373 }
374 
375 int skl_suspend_dsp(struct skl *skl)
376 {
377         struct skl_sst *ctx = skl->skl_sst;
378         struct hdac_bus *bus = skl_to_bus(skl);
379         int ret;
380 
381         /* if ppcap is not supported return 0 */
382         if (!bus->ppcap)
383                 return 0;
384 
385         ret = skl_dsp_sleep(ctx->dsp);
386         if (ret < 0)
387                 return ret;
388 
389         /* disable ppcap interrupt */
390         snd_hdac_ext_bus_ppcap_int_enable(bus, false);
391         snd_hdac_ext_bus_ppcap_enable(bus, false);
392 
393         return 0;
394 }
395 
396 int skl_resume_dsp(struct skl *skl)
397 {
398         struct skl_sst *ctx = skl->skl_sst;
399         struct hdac_bus *bus = skl_to_bus(skl);
400         int ret;
401 
402         /* if ppcap is not supported return 0 */
403         if (!bus->ppcap)
404                 return 0;
405 
406         /* enable ppcap interrupt */
407         snd_hdac_ext_bus_ppcap_enable(bus, true);
408         snd_hdac_ext_bus_ppcap_int_enable(bus, true);
409 
410         /* check if DSP 1st boot is done */
411         if (skl->skl_sst->is_first_boot == true)
412                 return 0;
413 
414         /*
415          * Disable dynamic clock and power gating during firmware
416          * and library download
417          */
418         ctx->enable_miscbdcge(ctx->dev, false);
419         ctx->clock_power_gating(ctx->dev, false);
420 
421         ret = skl_dsp_wake(ctx->dsp);
422         ctx->enable_miscbdcge(ctx->dev, true);
423         ctx->clock_power_gating(ctx->dev, true);
424         if (ret < 0)
425                 return ret;
426 
427         skl_dsp_enable_notification(skl->skl_sst, false);
428 
429         if (skl->cfg.astate_cfg != NULL) {
430                 skl_dsp_set_astate_cfg(skl->skl_sst, skl->cfg.astate_cfg->count,
431                                         skl->cfg.astate_cfg);
432         }
433         return ret;
434 }
435 
436 enum skl_bitdepth skl_get_bit_depth(int params)
437 {
438         switch (params) {
439         case 8:
440                 return SKL_DEPTH_8BIT;
441 
442         case 16:
443                 return SKL_DEPTH_16BIT;
444 
445         case 24:
446                 return SKL_DEPTH_24BIT;
447 
448         case 32:
449                 return SKL_DEPTH_32BIT;
450 
451         default:
452                 return SKL_DEPTH_INVALID;
453 
454         }
455 }
456 
457 /*
458  * Each module in DSP expects a base module configuration, which consists of
459  * PCM format information, which we calculate in driver and resource values
460  * which are read from widget information passed through topology binary
461  * This is send when we create a module with INIT_INSTANCE IPC msg
462  */
463 static void skl_set_base_module_format(struct skl_sst *ctx,
464                         struct skl_module_cfg *mconfig,
465                         struct skl_base_cfg *base_cfg)
466 {
467         struct skl_module *module = mconfig->module;
468         struct skl_module_res *res = &module->resources[mconfig->res_idx];
469         struct skl_module_iface *fmt = &module->formats[mconfig->fmt_idx];
470         struct skl_module_fmt *format = &fmt->inputs[0].fmt;
471 
472         base_cfg->audio_fmt.number_of_channels = format->channels;
473 
474         base_cfg->audio_fmt.s_freq = format->s_freq;
475         base_cfg->audio_fmt.bit_depth = format->bit_depth;
476         base_cfg->audio_fmt.valid_bit_depth = format->valid_bit_depth;
477         base_cfg->audio_fmt.ch_cfg = format->ch_cfg;
478 
479         dev_dbg(ctx->dev, "bit_depth=%x valid_bd=%x ch_config=%x\n",
480                         format->bit_depth, format->valid_bit_depth,
481                         format->ch_cfg);
482 
483         base_cfg->audio_fmt.channel_map = format->ch_map;
484 
485         base_cfg->audio_fmt.interleaving = format->interleaving_style;
486 
487         base_cfg->cps = res->cps;
488         base_cfg->ibs = res->ibs;
489         base_cfg->obs = res->obs;
490         base_cfg->is_pages = res->is_pages;
491 }
492 
493 /*
494  * Copies copier capabilities into copier module and updates copier module
495  * config size.
496  */
497 static void skl_copy_copier_caps(struct skl_module_cfg *mconfig,
498                                 struct skl_cpr_cfg *cpr_mconfig)
499 {
500         if (mconfig->formats_config.caps_size == 0)
501                 return;
502 
503         memcpy(cpr_mconfig->gtw_cfg.config_data,
504                         mconfig->formats_config.caps,
505                         mconfig->formats_config.caps_size);
506 
507         cpr_mconfig->gtw_cfg.config_length =
508                         (mconfig->formats_config.caps_size) / 4;
509 }
510 
511 #define SKL_NON_GATEWAY_CPR_NODE_ID 0xFFFFFFFF
512 /*
513  * Calculate the gatewat settings required for copier module, type of
514  * gateway and index of gateway to use
515  */
516 static u32 skl_get_node_id(struct skl_sst *ctx,
517                         struct skl_module_cfg *mconfig)
518 {
519         union skl_connector_node_id node_id = {0};
520         union skl_ssp_dma_node ssp_node  = {0};
521         struct skl_pipe_params *params = mconfig->pipe->p_params;
522 
523         switch (mconfig->dev_type) {
524         case SKL_DEVICE_BT:
525                 node_id.node.dma_type =
526                         (SKL_CONN_SOURCE == mconfig->hw_conn_type) ?
527                         SKL_DMA_I2S_LINK_OUTPUT_CLASS :
528                         SKL_DMA_I2S_LINK_INPUT_CLASS;
529                 node_id.node.vindex = params->host_dma_id +
530                                         (mconfig->vbus_id << 3);
531                 break;
532 
533         case SKL_DEVICE_I2S:
534                 node_id.node.dma_type =
535                         (SKL_CONN_SOURCE == mconfig->hw_conn_type) ?
536                         SKL_DMA_I2S_LINK_OUTPUT_CLASS :
537                         SKL_DMA_I2S_LINK_INPUT_CLASS;
538                 ssp_node.dma_node.time_slot_index = mconfig->time_slot;
539                 ssp_node.dma_node.i2s_instance = mconfig->vbus_id;
540                 node_id.node.vindex = ssp_node.val;
541                 break;
542 
543         case SKL_DEVICE_DMIC:
544                 node_id.node.dma_type = SKL_DMA_DMIC_LINK_INPUT_CLASS;
545                 node_id.node.vindex = mconfig->vbus_id +
546                                          (mconfig->time_slot);
547                 break;
548 
549         case SKL_DEVICE_HDALINK:
550                 node_id.node.dma_type =
551                         (SKL_CONN_SOURCE == mconfig->hw_conn_type) ?
552                         SKL_DMA_HDA_LINK_OUTPUT_CLASS :
553                         SKL_DMA_HDA_LINK_INPUT_CLASS;
554                 node_id.node.vindex = params->link_dma_id;
555                 break;
556 
557         case SKL_DEVICE_HDAHOST:
558                 node_id.node.dma_type =
559                         (SKL_CONN_SOURCE == mconfig->hw_conn_type) ?
560                         SKL_DMA_HDA_HOST_OUTPUT_CLASS :
561                         SKL_DMA_HDA_HOST_INPUT_CLASS;
562                 node_id.node.vindex = params->host_dma_id;
563                 break;
564 
565         default:
566                 node_id.val = 0xFFFFFFFF;
567                 break;
568         }
569 
570         return node_id.val;
571 }
572 
573 static void skl_setup_cpr_gateway_cfg(struct skl_sst *ctx,
574                         struct skl_module_cfg *mconfig,
575                         struct skl_cpr_cfg *cpr_mconfig)
576 {
577         u32 dma_io_buf;
578         struct skl_module_res *res;
579         int res_idx = mconfig->res_idx;
580         struct skl *skl = get_skl_ctx(ctx->dev);
581 
582         cpr_mconfig->gtw_cfg.node_id = skl_get_node_id(ctx, mconfig);
583 
584         if (cpr_mconfig->gtw_cfg.node_id == SKL_NON_GATEWAY_CPR_NODE_ID) {
585                 cpr_mconfig->cpr_feature_mask = 0;
586                 return;
587         }
588 
589         if (skl->nr_modules) {
590                 res = &mconfig->module->resources[mconfig->res_idx];
591                 cpr_mconfig->gtw_cfg.dma_buffer_size = res->dma_buffer_size;
592                 goto skip_buf_size_calc;
593         } else {
594                 res = &mconfig->module->resources[res_idx];
595         }
596 
597         switch (mconfig->hw_conn_type) {
598         case SKL_CONN_SOURCE:
599                 if (mconfig->dev_type == SKL_DEVICE_HDAHOST)
600                         dma_io_buf =  res->ibs;
601                 else
602                         dma_io_buf =  res->obs;
603                 break;
604 
605         case SKL_CONN_SINK:
606                 if (mconfig->dev_type == SKL_DEVICE_HDAHOST)
607                         dma_io_buf =  res->obs;
608                 else
609                         dma_io_buf =  res->ibs;
610                 break;
611 
612         default:
613                 dev_warn(ctx->dev, "wrong connection type: %d\n",
614                                 mconfig->hw_conn_type);
615                 return;
616         }
617 
618         cpr_mconfig->gtw_cfg.dma_buffer_size =
619                                 mconfig->dma_buffer_size * dma_io_buf;
620 
621         /* fallback to 2ms default value */
622         if (!cpr_mconfig->gtw_cfg.dma_buffer_size) {
623                 if (mconfig->hw_conn_type == SKL_CONN_SOURCE)
624                         cpr_mconfig->gtw_cfg.dma_buffer_size = 2 * res->obs;
625                 else
626                         cpr_mconfig->gtw_cfg.dma_buffer_size = 2 * res->ibs;
627         }
628 
629 skip_buf_size_calc:
630         cpr_mconfig->cpr_feature_mask = 0;
631         cpr_mconfig->gtw_cfg.config_length  = 0;
632 
633         skl_copy_copier_caps(mconfig, cpr_mconfig);
634 }
635 
636 #define DMA_CONTROL_ID 5
637 #define DMA_I2S_BLOB_SIZE 21
638 
639 int skl_dsp_set_dma_control(struct skl_sst *ctx, u32 *caps,
640                                 u32 caps_size, u32 node_id)
641 {
642         struct skl_dma_control *dma_ctrl;
643         struct skl_ipc_large_config_msg msg = {0};
644         int err = 0;
645 
646 
647         /*
648          * if blob size zero, then return
649          */
650         if (caps_size == 0)
651                 return 0;
652 
653         msg.large_param_id = DMA_CONTROL_ID;
654         msg.param_data_size = sizeof(struct skl_dma_control) + caps_size;
655 
656         dma_ctrl = kzalloc(msg.param_data_size, GFP_KERNEL);
657         if (dma_ctrl == NULL)
658                 return -ENOMEM;
659 
660         dma_ctrl->node_id = node_id;
661 
662         /*
663          * NHLT blob may contain additional configs along with i2s blob.
664          * firmware expects only the i2s blob size as the config_length.
665          * So fix to i2s blob size.
666          * size in dwords.
667          */
668         dma_ctrl->config_length = DMA_I2S_BLOB_SIZE;
669 
670         memcpy(dma_ctrl->config_data, caps, caps_size);
671 
672         err = skl_ipc_set_large_config(&ctx->ipc, &msg, (u32 *)dma_ctrl);
673 
674         kfree(dma_ctrl);
675         return err;
676 }
677 EXPORT_SYMBOL_GPL(skl_dsp_set_dma_control);
678 
679 static void skl_setup_out_format(struct skl_sst *ctx,
680                         struct skl_module_cfg *mconfig,
681                         struct skl_audio_data_format *out_fmt)
682 {
683         struct skl_module *module = mconfig->module;
684         struct skl_module_iface *fmt = &module->formats[mconfig->fmt_idx];
685         struct skl_module_fmt *format = &fmt->outputs[0].fmt;
686 
687         out_fmt->number_of_channels = (u8)format->channels;
688         out_fmt->s_freq = format->s_freq;
689         out_fmt->bit_depth = format->bit_depth;
690         out_fmt->valid_bit_depth = format->valid_bit_depth;
691         out_fmt->ch_cfg = format->ch_cfg;
692 
693         out_fmt->channel_map = format->ch_map;
694         out_fmt->interleaving = format->interleaving_style;
695         out_fmt->sample_type = format->sample_type;
696 
697         dev_dbg(ctx->dev, "copier out format chan=%d fre=%d bitdepth=%d\n",
698                 out_fmt->number_of_channels, format->s_freq, format->bit_depth);
699 }
700 
701 /*
702  * DSP needs SRC module for frequency conversion, SRC takes base module
703  * configuration and the target frequency as extra parameter passed as src
704  * config
705  */
706 static void skl_set_src_format(struct skl_sst *ctx,
707                         struct skl_module_cfg *mconfig,
708                         struct skl_src_module_cfg *src_mconfig)
709 {
710         struct skl_module *module = mconfig->module;
711         struct skl_module_iface *iface = &module->formats[mconfig->fmt_idx];
712         struct skl_module_fmt *fmt = &iface->outputs[0].fmt;
713 
714         skl_set_base_module_format(ctx, mconfig,
715                 (struct skl_base_cfg *)src_mconfig);
716 
717         src_mconfig->src_cfg = fmt->s_freq;
718 }
719 
720 /*
721  * DSP needs updown module to do channel conversion. updown module take base
722  * module configuration and channel configuration
723  * It also take coefficients and now we have defaults applied here
724  */
725 static void skl_set_updown_mixer_format(struct skl_sst *ctx,
726                         struct skl_module_cfg *mconfig,
727                         struct skl_up_down_mixer_cfg *mixer_mconfig)
728 {
729         struct skl_module *module = mconfig->module;
730         struct skl_module_iface *iface = &module->formats[mconfig->fmt_idx];
731         struct skl_module_fmt *fmt = &iface->outputs[0].fmt;
732 
733         skl_set_base_module_format(ctx, mconfig,
734                 (struct skl_base_cfg *)mixer_mconfig);
735         mixer_mconfig->out_ch_cfg = fmt->ch_cfg;
736         mixer_mconfig->ch_map = fmt->ch_map;
737 }
738 
739 /*
740  * 'copier' is DSP internal module which copies data from Host DMA (HDA host
741  * dma) or link (hda link, SSP, PDM)
742  * Here we calculate the copier module parameters, like PCM format, output
743  * format, gateway settings
744  * copier_module_config is sent as input buffer with INIT_INSTANCE IPC msg
745  */
746 static void skl_set_copier_format(struct skl_sst *ctx,
747                         struct skl_module_cfg *mconfig,
748                         struct skl_cpr_cfg *cpr_mconfig)
749 {
750         struct skl_audio_data_format *out_fmt = &cpr_mconfig->out_fmt;
751         struct skl_base_cfg *base_cfg = (struct skl_base_cfg *)cpr_mconfig;
752 
753         skl_set_base_module_format(ctx, mconfig, base_cfg);
754 
755         skl_setup_out_format(ctx, mconfig, out_fmt);
756         skl_setup_cpr_gateway_cfg(ctx, mconfig, cpr_mconfig);
757 }
758 
759 /*
760  * Algo module are DSP pre processing modules. Algo module take base module
761  * configuration and params
762  */
763 
764 static void skl_set_algo_format(struct skl_sst *ctx,
765                         struct skl_module_cfg *mconfig,
766                         struct skl_algo_cfg *algo_mcfg)
767 {
768         struct skl_base_cfg *base_cfg = (struct skl_base_cfg *)algo_mcfg;
769 
770         skl_set_base_module_format(ctx, mconfig, base_cfg);
771 
772         if (mconfig->formats_config.caps_size == 0)
773                 return;
774 
775         memcpy(algo_mcfg->params,
776                         mconfig->formats_config.caps,
777                         mconfig->formats_config.caps_size);
778 
779 }
780 
781 /*
782  * Mic select module allows selecting one or many input channels, thus
783  * acting as a demux.
784  *
785  * Mic select module take base module configuration and out-format
786  * configuration
787  */
788 static void skl_set_base_outfmt_format(struct skl_sst *ctx,
789                         struct skl_module_cfg *mconfig,
790                         struct skl_base_outfmt_cfg *base_outfmt_mcfg)
791 {
792         struct skl_audio_data_format *out_fmt = &base_outfmt_mcfg->out_fmt;
793         struct skl_base_cfg *base_cfg =
794                                 (struct skl_base_cfg *)base_outfmt_mcfg;
795 
796         skl_set_base_module_format(ctx, mconfig, base_cfg);
797         skl_setup_out_format(ctx, mconfig, out_fmt);
798 }
799 
800 static u16 skl_get_module_param_size(struct skl_sst *ctx,
801                         struct skl_module_cfg *mconfig)
802 {
803         u16 param_size;
804 
805         switch (mconfig->m_type) {
806         case SKL_MODULE_TYPE_COPIER:
807                 param_size = sizeof(struct skl_cpr_cfg);
808                 param_size += mconfig->formats_config.caps_size;
809                 return param_size;
810 
811         case SKL_MODULE_TYPE_SRCINT:
812                 return sizeof(struct skl_src_module_cfg);
813 
814         case SKL_MODULE_TYPE_UPDWMIX:
815                 return sizeof(struct skl_up_down_mixer_cfg);
816 
817         case SKL_MODULE_TYPE_ALGO:
818                 param_size = sizeof(struct skl_base_cfg);
819                 param_size += mconfig->formats_config.caps_size;
820                 return param_size;
821 
822         case SKL_MODULE_TYPE_BASE_OUTFMT:
823         case SKL_MODULE_TYPE_MIC_SELECT:
824         case SKL_MODULE_TYPE_KPB:
825                 return sizeof(struct skl_base_outfmt_cfg);
826 
827         default:
828                 /*
829                  * return only base cfg when no specific module type is
830                  * specified
831                  */
832                 return sizeof(struct skl_base_cfg);
833         }
834 
835         return 0;
836 }
837 
838 /*
839  * DSP firmware supports various modules like copier, SRC, updown etc.
840  * These modules required various parameters to be calculated and sent for
841  * the module initialization to DSP. By default a generic module needs only
842  * base module format configuration
843  */
844 
845 static int skl_set_module_format(struct skl_sst *ctx,
846                         struct skl_module_cfg *module_config,
847                         u16 *module_config_size,
848                         void **param_data)
849 {
850         u16 param_size;
851 
852         param_size  = skl_get_module_param_size(ctx, module_config);
853 
854         *param_data = kzalloc(param_size, GFP_KERNEL);
855         if (NULL == *param_data)
856                 return -ENOMEM;
857 
858         *module_config_size = param_size;
859 
860         switch (module_config->m_type) {
861         case SKL_MODULE_TYPE_COPIER:
862                 skl_set_copier_format(ctx, module_config, *param_data);
863                 break;
864 
865         case SKL_MODULE_TYPE_SRCINT:
866                 skl_set_src_format(ctx, module_config, *param_data);
867                 break;
868 
869         case SKL_MODULE_TYPE_UPDWMIX:
870                 skl_set_updown_mixer_format(ctx, module_config, *param_data);
871                 break;
872 
873         case SKL_MODULE_TYPE_ALGO:
874                 skl_set_algo_format(ctx, module_config, *param_data);
875                 break;
876 
877         case SKL_MODULE_TYPE_BASE_OUTFMT:
878         case SKL_MODULE_TYPE_MIC_SELECT:
879         case SKL_MODULE_TYPE_KPB:
880                 skl_set_base_outfmt_format(ctx, module_config, *param_data);
881                 break;
882 
883         default:
884                 skl_set_base_module_format(ctx, module_config, *param_data);
885                 break;
886 
887         }
888 
889         dev_dbg(ctx->dev, "Module type=%d config size: %d bytes\n",
890                         module_config->id.module_id, param_size);
891         print_hex_dump_debug("Module params:", DUMP_PREFIX_OFFSET, 8, 4,
892                         *param_data, param_size, false);
893         return 0;
894 }
895 
896 static int skl_get_queue_index(struct skl_module_pin *mpin,
897                                 struct skl_module_inst_id id, int max)
898 {
899         int i;
900 
901         for (i = 0; i < max; i++)  {
902                 if (mpin[i].id.module_id == id.module_id &&
903                         mpin[i].id.instance_id == id.instance_id)
904                         return i;
905         }
906 
907         return -EINVAL;
908 }
909 
910 /*
911  * Allocates queue for each module.
912  * if dynamic, the pin_index is allocated 0 to max_pin.
913  * In static, the pin_index is fixed based on module_id and instance id
914  */
915 static int skl_alloc_queue(struct skl_module_pin *mpin,
916                         struct skl_module_cfg *tgt_cfg, int max)
917 {
918         int i;
919         struct skl_module_inst_id id = tgt_cfg->id;
920         /*
921          * if pin in dynamic, find first free pin
922          * otherwise find match module and instance id pin as topology will
923          * ensure a unique pin is assigned to this so no need to
924          * allocate/free
925          */
926         for (i = 0; i < max; i++)  {
927                 if (mpin[i].is_dynamic) {
928                         if (!mpin[i].in_use &&
929                                 mpin[i].pin_state == SKL_PIN_UNBIND) {
930 
931                                 mpin[i].in_use = true;
932                                 mpin[i].id.module_id = id.module_id;
933                                 mpin[i].id.instance_id = id.instance_id;
934                                 mpin[i].id.pvt_id = id.pvt_id;
935                                 mpin[i].tgt_mcfg = tgt_cfg;
936                                 return i;
937                         }
938                 } else {
939                         if (mpin[i].id.module_id == id.module_id &&
940                                 mpin[i].id.instance_id == id.instance_id &&
941                                 mpin[i].pin_state == SKL_PIN_UNBIND) {
942 
943                                 mpin[i].tgt_mcfg = tgt_cfg;
944                                 return i;
945                         }
946                 }
947         }
948 
949         return -EINVAL;
950 }
951 
952 static void skl_free_queue(struct skl_module_pin *mpin, int q_index)
953 {
954         if (mpin[q_index].is_dynamic) {
955                 mpin[q_index].in_use = false;
956                 mpin[q_index].id.module_id = 0;
957                 mpin[q_index].id.instance_id = 0;
958                 mpin[q_index].id.pvt_id = 0;
959         }
960         mpin[q_index].pin_state = SKL_PIN_UNBIND;
961         mpin[q_index].tgt_mcfg = NULL;
962 }
963 
964 /* Module state will be set to unint, if all the out pin state is UNBIND */
965 
966 static void skl_clear_module_state(struct skl_module_pin *mpin, int max,
967                                                 struct skl_module_cfg *mcfg)
968 {
969         int i;
970         bool found = false;
971 
972         for (i = 0; i < max; i++)  {
973                 if (mpin[i].pin_state == SKL_PIN_UNBIND)
974                         continue;
975                 found = true;
976                 break;
977         }
978 
979         if (!found)
980                 mcfg->m_state = SKL_MODULE_INIT_DONE;
981         return;
982 }
983 
984 /*
985  * A module needs to be instanataited in DSP. A mdoule is present in a
986  * collection of module referred as a PIPE.
987  * We first calculate the module format, based on module type and then
988  * invoke the DSP by sending IPC INIT_INSTANCE using ipc helper
989  */
990 int skl_init_module(struct skl_sst *ctx,
991                         struct skl_module_cfg *mconfig)
992 {
993         u16 module_config_size = 0;
994         void *param_data = NULL;
995         int ret;
996         struct skl_ipc_init_instance_msg msg;
997 
998         dev_dbg(ctx->dev, "%s: module_id = %d instance=%d\n", __func__,
999                  mconfig->id.module_id, mconfig->id.pvt_id);
1000 
1001         if (mconfig->pipe->state != SKL_PIPE_CREATED) {
1002                 dev_err(ctx->dev, "Pipe not created state= %d pipe_id= %d\n",
1003                                  mconfig->pipe->state, mconfig->pipe->ppl_id);
1004                 return -EIO;
1005         }
1006 
1007         ret = skl_set_module_format(ctx, mconfig,
1008                         &module_config_size, &param_data);
1009         if (ret < 0) {
1010                 dev_err(ctx->dev, "Failed to set module format ret=%d\n", ret);
1011                 return ret;
1012         }
1013 
1014         msg.module_id = mconfig->id.module_id;
1015         msg.instance_id = mconfig->id.pvt_id;
1016         msg.ppl_instance_id = mconfig->pipe->ppl_id;
1017         msg.param_data_size = module_config_size;
1018         msg.core_id = mconfig->core_id;
1019         msg.domain = mconfig->domain;
1020 
1021         ret = skl_ipc_init_instance(&ctx->ipc, &msg, param_data);
1022         if (ret < 0) {
1023                 dev_err(ctx->dev, "Failed to init instance ret=%d\n", ret);
1024                 kfree(param_data);
1025                 return ret;
1026         }
1027         mconfig->m_state = SKL_MODULE_INIT_DONE;
1028         kfree(param_data);
1029         return ret;
1030 }
1031 
1032 static void skl_dump_bind_info(struct skl_sst *ctx, struct skl_module_cfg
1033         *src_module, struct skl_module_cfg *dst_module)
1034 {
1035         dev_dbg(ctx->dev, "%s: src module_id = %d  src_instance=%d\n",
1036                 __func__, src_module->id.module_id, src_module->id.pvt_id);
1037         dev_dbg(ctx->dev, "%s: dst_module=%d dst_instance=%d\n", __func__,
1038                  dst_module->id.module_id, dst_module->id.pvt_id);
1039 
1040         dev_dbg(ctx->dev, "src_module state = %d dst module state = %d\n",
1041                 src_module->m_state, dst_module->m_state);
1042 }
1043 
1044 /*
1045  * On module freeup, we need to unbind the module with modules
1046  * it is already bind.
1047  * Find the pin allocated and unbind then using bind_unbind IPC
1048  */
1049 int skl_unbind_modules(struct skl_sst *ctx,
1050                         struct skl_module_cfg *src_mcfg,
1051                         struct skl_module_cfg *dst_mcfg)
1052 {
1053         int ret;
1054         struct skl_ipc_bind_unbind_msg msg;
1055         struct skl_module_inst_id src_id = src_mcfg->id;
1056         struct skl_module_inst_id dst_id = dst_mcfg->id;
1057         int in_max = dst_mcfg->module->max_input_pins;
1058         int out_max = src_mcfg->module->max_output_pins;
1059         int src_index, dst_index, src_pin_state, dst_pin_state;
1060 
1061         skl_dump_bind_info(ctx, src_mcfg, dst_mcfg);
1062 
1063         /* get src queue index */
1064         src_index = skl_get_queue_index(src_mcfg->m_out_pin, dst_id, out_max);
1065         if (src_index < 0)
1066                 return 0;
1067 
1068         msg.src_queue = src_index;
1069 
1070         /* get dst queue index */
1071         dst_index  = skl_get_queue_index(dst_mcfg->m_in_pin, src_id, in_max);
1072         if (dst_index < 0)
1073                 return 0;
1074 
1075         msg.dst_queue = dst_index;
1076 
1077         src_pin_state = src_mcfg->m_out_pin[src_index].pin_state;
1078         dst_pin_state = dst_mcfg->m_in_pin[dst_index].pin_state;
1079 
1080         if (src_pin_state != SKL_PIN_BIND_DONE ||
1081                 dst_pin_state != SKL_PIN_BIND_DONE)
1082                 return 0;
1083 
1084         msg.module_id = src_mcfg->id.module_id;
1085         msg.instance_id = src_mcfg->id.pvt_id;
1086         msg.dst_module_id = dst_mcfg->id.module_id;
1087         msg.dst_instance_id = dst_mcfg->id.pvt_id;
1088         msg.bind = false;
1089 
1090         ret = skl_ipc_bind_unbind(&ctx->ipc, &msg);
1091         if (!ret) {
1092                 /* free queue only if unbind is success */
1093                 skl_free_queue(src_mcfg->m_out_pin, src_index);
1094                 skl_free_queue(dst_mcfg->m_in_pin, dst_index);
1095 
1096                 /*
1097                  * check only if src module bind state, bind is
1098                  * always from src -> sink
1099                  */
1100                 skl_clear_module_state(src_mcfg->m_out_pin, out_max, src_mcfg);
1101         }
1102 
1103         return ret;
1104 }
1105 
1106 static void fill_pin_params(struct skl_audio_data_format *pin_fmt,
1107                                 struct skl_module_fmt *format)
1108 {
1109         pin_fmt->number_of_channels = format->channels;
1110         pin_fmt->s_freq = format->s_freq;
1111         pin_fmt->bit_depth = format->bit_depth;
1112         pin_fmt->valid_bit_depth = format->valid_bit_depth;
1113         pin_fmt->ch_cfg = format->ch_cfg;
1114         pin_fmt->sample_type = format->sample_type;
1115         pin_fmt->channel_map = format->ch_map;
1116         pin_fmt->interleaving = format->interleaving_style;
1117 }
1118 
1119 #define CPR_SINK_FMT_PARAM_ID 2
1120 
1121 /*
1122  * Once a module is instantiated it need to be 'bind' with other modules in
1123  * the pipeline. For binding we need to find the module pins which are bind
1124  * together
1125  * This function finds the pins and then sends bund_unbind IPC message to
1126  * DSP using IPC helper
1127  */
1128 int skl_bind_modules(struct skl_sst *ctx,
1129                         struct skl_module_cfg *src_mcfg,
1130                         struct skl_module_cfg *dst_mcfg)
1131 {
1132         int ret = 0;
1133         struct skl_ipc_bind_unbind_msg msg;
1134         int in_max = dst_mcfg->module->max_input_pins;
1135         int out_max = src_mcfg->module->max_output_pins;
1136         int src_index, dst_index;
1137         struct skl_module_fmt *format;
1138         struct skl_cpr_pin_fmt pin_fmt;
1139         struct skl_module *module;
1140         struct skl_module_iface *fmt;
1141 
1142         skl_dump_bind_info(ctx, src_mcfg, dst_mcfg);
1143 
1144         if (src_mcfg->m_state < SKL_MODULE_INIT_DONE ||
1145                 dst_mcfg->m_state < SKL_MODULE_INIT_DONE)
1146                 return 0;
1147 
1148         src_index = skl_alloc_queue(src_mcfg->m_out_pin, dst_mcfg, out_max);
1149         if (src_index < 0)
1150                 return -EINVAL;
1151 
1152         msg.src_queue = src_index;
1153         dst_index = skl_alloc_queue(dst_mcfg->m_in_pin, src_mcfg, in_max);
1154         if (dst_index < 0) {
1155                 skl_free_queue(src_mcfg->m_out_pin, src_index);
1156                 return -EINVAL;
1157         }
1158 
1159         /*
1160          * Copier module requires the separate large_config_set_ipc to
1161          * configure the pins other than 0
1162          */
1163         if (src_mcfg->m_type == SKL_MODULE_TYPE_COPIER && src_index > 0) {
1164                 pin_fmt.sink_id = src_index;
1165                 module = src_mcfg->module;
1166                 fmt = &module->formats[src_mcfg->fmt_idx];
1167 
1168                 /* Input fmt is same as that of src module input cfg */
1169                 format = &fmt->inputs[0].fmt;
1170                 fill_pin_params(&(pin_fmt.src_fmt), format);
1171 
1172                 format = &fmt->outputs[src_index].fmt;
1173                 fill_pin_params(&(pin_fmt.dst_fmt), format);
1174                 ret = skl_set_module_params(ctx, (void *)&pin_fmt,
1175                                         sizeof(struct skl_cpr_pin_fmt),
1176                                         CPR_SINK_FMT_PARAM_ID, src_mcfg);
1177 
1178                 if (ret < 0)
1179                         goto out;
1180         }
1181 
1182         msg.dst_queue = dst_index;
1183 
1184         dev_dbg(ctx->dev, "src queue = %d dst queue =%d\n",
1185                          msg.src_queue, msg.dst_queue);
1186 
1187         msg.module_id = src_mcfg->id.module_id;
1188         msg.instance_id = src_mcfg->id.pvt_id;
1189         msg.dst_module_id = dst_mcfg->id.module_id;
1190         msg.dst_instance_id = dst_mcfg->id.pvt_id;
1191         msg.bind = true;
1192 
1193         ret = skl_ipc_bind_unbind(&ctx->ipc, &msg);
1194 
1195         if (!ret) {
1196                 src_mcfg->m_state = SKL_MODULE_BIND_DONE;
1197                 src_mcfg->m_out_pin[src_index].pin_state = SKL_PIN_BIND_DONE;
1198                 dst_mcfg->m_in_pin[dst_index].pin_state = SKL_PIN_BIND_DONE;
1199                 return ret;
1200         }
1201 out:
1202         /* error case , if IPC fails, clear the queue index */
1203         skl_free_queue(src_mcfg->m_out_pin, src_index);
1204         skl_free_queue(dst_mcfg->m_in_pin, dst_index);
1205 
1206         return ret;
1207 }
1208 
1209 static int skl_set_pipe_state(struct skl_sst *ctx, struct skl_pipe *pipe,
1210         enum skl_ipc_pipeline_state state)
1211 {
1212         dev_dbg(ctx->dev, "%s: pipe_state = %d\n", __func__, state);
1213 
1214         return skl_ipc_set_pipeline_state(&ctx->ipc, pipe->ppl_id, state);
1215 }
1216 
1217 /*
1218  * A pipeline is a collection of modules. Before a module in instantiated a
1219  * pipeline needs to be created for it.
1220  * This function creates pipeline, by sending create pipeline IPC messages
1221  * to FW
1222  */
1223 int skl_create_pipeline(struct skl_sst *ctx, struct skl_pipe *pipe)
1224 {
1225         int ret;
1226 
1227         dev_dbg(ctx->dev, "%s: pipe_id = %d\n", __func__, pipe->ppl_id);
1228 
1229         ret = skl_ipc_create_pipeline(&ctx->ipc, pipe->memory_pages,
1230                                 pipe->pipe_priority, pipe->ppl_id,
1231                                 pipe->lp_mode);
1232         if (ret < 0) {
1233                 dev_err(ctx->dev, "Failed to create pipeline\n");
1234                 return ret;
1235         }
1236 
1237         pipe->state = SKL_PIPE_CREATED;
1238 
1239         return 0;
1240 }
1241 
1242 /*
1243  * A pipeline needs to be deleted on cleanup. If a pipeline is running, then
1244  * pause the pipeline first and then delete it
1245  * The pipe delete is done by sending delete pipeline IPC. DSP will stop the
1246  * DMA engines and releases resources
1247  */
1248 int skl_delete_pipe(struct skl_sst *ctx, struct skl_pipe *pipe)
1249 {
1250         int ret;
1251 
1252         dev_dbg(ctx->dev, "%s: pipe = %d\n", __func__, pipe->ppl_id);
1253 
1254         /* If pipe is started, do stop the pipe in FW. */
1255         if (pipe->state >= SKL_PIPE_STARTED) {
1256                 ret = skl_set_pipe_state(ctx, pipe, PPL_PAUSED);
1257                 if (ret < 0) {
1258                         dev_err(ctx->dev, "Failed to stop pipeline\n");
1259                         return ret;
1260                 }
1261 
1262                 pipe->state = SKL_PIPE_PAUSED;
1263         }
1264 
1265         /* If pipe was not created in FW, do not try to delete it */
1266         if (pipe->state < SKL_PIPE_CREATED)
1267                 return 0;
1268 
1269         ret = skl_ipc_delete_pipeline(&ctx->ipc, pipe->ppl_id);
1270         if (ret < 0) {
1271                 dev_err(ctx->dev, "Failed to delete pipeline\n");
1272                 return ret;
1273         }
1274 
1275         pipe->state = SKL_PIPE_INVALID;
1276 
1277         return ret;
1278 }
1279 
1280 /*
1281  * A pipeline is also a scheduling entity in DSP which can be run, stopped
1282  * For processing data the pipe need to be run by sending IPC set pipe state
1283  * to DSP
1284  */
1285 int skl_run_pipe(struct skl_sst *ctx, struct skl_pipe *pipe)
1286 {
1287         int ret;
1288 
1289         dev_dbg(ctx->dev, "%s: pipe = %d\n", __func__, pipe->ppl_id);
1290 
1291         /* If pipe was not created in FW, do not try to pause or delete */
1292         if (pipe->state < SKL_PIPE_CREATED)
1293                 return 0;
1294 
1295         /* Pipe has to be paused before it is started */
1296         ret = skl_set_pipe_state(ctx, pipe, PPL_PAUSED);
1297         if (ret < 0) {
1298                 dev_err(ctx->dev, "Failed to pause pipe\n");
1299                 return ret;
1300         }
1301 
1302         pipe->state = SKL_PIPE_PAUSED;
1303 
1304         ret = skl_set_pipe_state(ctx, pipe, PPL_RUNNING);
1305         if (ret < 0) {
1306                 dev_err(ctx->dev, "Failed to start pipe\n");
1307                 return ret;
1308         }
1309 
1310         pipe->state = SKL_PIPE_STARTED;
1311 
1312         return 0;
1313 }
1314 
1315 /*
1316  * Stop the pipeline by sending set pipe state IPC
1317  * DSP doesnt implement stop so we always send pause message
1318  */
1319 int skl_stop_pipe(struct skl_sst *ctx, struct skl_pipe *pipe)
1320 {
1321         int ret;
1322 
1323         dev_dbg(ctx->dev, "In %s pipe=%d\n", __func__, pipe->ppl_id);
1324 
1325         /* If pipe was not created in FW, do not try to pause or delete */
1326         if (pipe->state < SKL_PIPE_PAUSED)
1327                 return 0;
1328 
1329         ret = skl_set_pipe_state(ctx, pipe, PPL_PAUSED);
1330         if (ret < 0) {
1331                 dev_dbg(ctx->dev, "Failed to stop pipe\n");
1332                 return ret;
1333         }
1334 
1335         pipe->state = SKL_PIPE_PAUSED;
1336 
1337         return 0;
1338 }
1339 
1340 /*
1341  * Reset the pipeline by sending set pipe state IPC this will reset the DMA
1342  * from the DSP side
1343  */
1344 int skl_reset_pipe(struct skl_sst *ctx, struct skl_pipe *pipe)
1345 {
1346         int ret;
1347 
1348         /* If pipe was not created in FW, do not try to pause or delete */
1349         if (pipe->state < SKL_PIPE_PAUSED)
1350                 return 0;
1351 
1352         ret = skl_set_pipe_state(ctx, pipe, PPL_RESET);
1353         if (ret < 0) {
1354                 dev_dbg(ctx->dev, "Failed to reset pipe ret=%d\n", ret);
1355                 return ret;
1356         }
1357 
1358         pipe->state = SKL_PIPE_RESET;
1359 
1360         return 0;
1361 }
1362 
1363 /* Algo parameter set helper function */
1364 int skl_set_module_params(struct skl_sst *ctx, u32 *params, int size,
1365                                 u32 param_id, struct skl_module_cfg *mcfg)
1366 {
1367         struct skl_ipc_large_config_msg msg;
1368 
1369         msg.module_id = mcfg->id.module_id;
1370         msg.instance_id = mcfg->id.pvt_id;
1371         msg.param_data_size = size;
1372         msg.large_param_id = param_id;
1373 
1374         return skl_ipc_set_large_config(&ctx->ipc, &msg, params);
1375 }
1376 
1377 int skl_get_module_params(struct skl_sst *ctx, u32 *params, int size,
1378                           u32 param_id, struct skl_module_cfg *mcfg)
1379 {
1380         struct skl_ipc_large_config_msg msg;
1381 
1382         msg.module_id = mcfg->id.module_id;
1383         msg.instance_id = mcfg->id.pvt_id;
1384         msg.param_data_size = size;
1385         msg.large_param_id = param_id;
1386 
1387         return skl_ipc_get_large_config(&ctx->ipc, &msg, params);
1388 }
1389 

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