2 * skl-message.c - HDA DSP interface for FW registration, Pipe and Module
5 * Copyright (C) 2015 Intel Corp
6 * Author:Rafal Redzimski <rafal.f.redzimski@intel.com>
7 * Jeeja KP <jeeja.kp@intel.com>
8 * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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.
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.
20 #include <linux/slab.h>
21 #include <linux/pci.h>
22 #include <sound/core.h>
23 #include <sound/pcm.h>
24 #include "skl-sst-dsp.h"
25 #include "skl-sst-ipc.h"
27 #include "../common/sst-dsp.h"
28 #include "../common/sst-dsp-priv.h"
29 #include "skl-topology.h"
30 #include "skl-tplg-interface.h"
32 static int skl_alloc_dma_buf(struct device *dev,
33 struct snd_dma_buffer *dmab, size_t size)
35 struct hdac_ext_bus *ebus = dev_get_drvdata(dev);
36 struct hdac_bus *bus = ebus_to_hbus(ebus);
41 return bus->io_ops->dma_alloc_pages(bus, SNDRV_DMA_TYPE_DEV, size, dmab);
44 static int skl_free_dma_buf(struct device *dev, struct snd_dma_buffer *dmab)
46 struct hdac_ext_bus *ebus = dev_get_drvdata(dev);
47 struct hdac_bus *bus = ebus_to_hbus(ebus);
52 bus->io_ops->dma_free_pages(bus, dmab);
57 #define NOTIFICATION_PARAM_ID 3
58 #define NOTIFICATION_MASK 0xf
60 /* disable notfication for underruns/overruns from firmware module */
61 static void skl_dsp_enable_notification(struct skl_sst *ctx, bool enable)
63 struct notification_mask mask;
64 struct skl_ipc_large_config_msg msg = {0};
66 mask.notify = NOTIFICATION_MASK;
69 msg.large_param_id = NOTIFICATION_PARAM_ID;
70 msg.param_data_size = sizeof(mask);
72 skl_ipc_set_large_config(&ctx->ipc, &msg, (u32 *)&mask);
75 static int skl_dsp_setup_spib(struct device *dev, unsigned int size,
76 int stream_tag, int enable)
78 struct hdac_ext_bus *ebus = dev_get_drvdata(dev);
79 struct hdac_bus *bus = ebus_to_hbus(ebus);
80 struct hdac_stream *stream = snd_hdac_get_stream(bus,
81 SNDRV_PCM_STREAM_PLAYBACK, stream_tag);
82 struct hdac_ext_stream *estream;
87 estream = stream_to_hdac_ext_stream(stream);
88 /* enable/disable SPIB for this hdac stream */
89 snd_hdac_ext_stream_spbcap_enable(ebus, enable, stream->index);
91 /* set the spib value */
92 snd_hdac_ext_stream_set_spib(ebus, estream, size);
97 static int skl_dsp_prepare(struct device *dev, unsigned int format,
98 unsigned int size, struct snd_dma_buffer *dmab)
100 struct hdac_ext_bus *ebus = dev_get_drvdata(dev);
101 struct hdac_bus *bus = ebus_to_hbus(ebus);
102 struct hdac_ext_stream *estream;
103 struct hdac_stream *stream;
104 struct snd_pcm_substream substream;
110 memset(&substream, 0, sizeof(substream));
111 substream.stream = SNDRV_PCM_STREAM_PLAYBACK;
113 estream = snd_hdac_ext_stream_assign(ebus, &substream,
114 HDAC_EXT_STREAM_TYPE_HOST);
118 stream = hdac_stream(estream);
120 /* assign decouple host dma channel */
121 ret = snd_hdac_dsp_prepare(stream, format, size, dmab);
125 skl_dsp_setup_spib(dev, size, stream->stream_tag, true);
127 return stream->stream_tag;
130 static int skl_dsp_trigger(struct device *dev, bool start, int stream_tag)
132 struct hdac_ext_bus *ebus = dev_get_drvdata(dev);
133 struct hdac_stream *stream;
134 struct hdac_bus *bus = ebus_to_hbus(ebus);
139 stream = snd_hdac_get_stream(bus,
140 SNDRV_PCM_STREAM_PLAYBACK, stream_tag);
144 snd_hdac_dsp_trigger(stream, start);
149 static int skl_dsp_cleanup(struct device *dev,
150 struct snd_dma_buffer *dmab, int stream_tag)
152 struct hdac_ext_bus *ebus = dev_get_drvdata(dev);
153 struct hdac_stream *stream;
154 struct hdac_ext_stream *estream;
155 struct hdac_bus *bus = ebus_to_hbus(ebus);
160 stream = snd_hdac_get_stream(bus,
161 SNDRV_PCM_STREAM_PLAYBACK, stream_tag);
165 estream = stream_to_hdac_ext_stream(stream);
166 skl_dsp_setup_spib(dev, 0, stream_tag, false);
167 snd_hdac_ext_stream_release(estream, HDAC_EXT_STREAM_TYPE_HOST);
169 snd_hdac_dsp_cleanup(stream, dmab);
174 static struct skl_dsp_loader_ops skl_get_loader_ops(void)
176 struct skl_dsp_loader_ops loader_ops;
178 memset(&loader_ops, 0, sizeof(struct skl_dsp_loader_ops));
180 loader_ops.alloc_dma_buf = skl_alloc_dma_buf;
181 loader_ops.free_dma_buf = skl_free_dma_buf;
186 static struct skl_dsp_loader_ops bxt_get_loader_ops(void)
188 struct skl_dsp_loader_ops loader_ops;
190 memset(&loader_ops, 0, sizeof(loader_ops));
192 loader_ops.alloc_dma_buf = skl_alloc_dma_buf;
193 loader_ops.free_dma_buf = skl_free_dma_buf;
194 loader_ops.prepare = skl_dsp_prepare;
195 loader_ops.trigger = skl_dsp_trigger;
196 loader_ops.cleanup = skl_dsp_cleanup;
201 static const struct skl_dsp_ops dsp_ops[] = {
204 .loader_ops = skl_get_loader_ops,
205 .init = skl_sst_dsp_init,
206 .init_fw = skl_sst_init_fw,
207 .cleanup = skl_sst_dsp_cleanup
211 .loader_ops = skl_get_loader_ops,
212 .init = skl_sst_dsp_init,
213 .init_fw = skl_sst_init_fw,
214 .cleanup = skl_sst_dsp_cleanup
218 .loader_ops = bxt_get_loader_ops,
219 .init = bxt_sst_dsp_init,
220 .init_fw = bxt_sst_init_fw,
221 .cleanup = bxt_sst_dsp_cleanup
225 const struct skl_dsp_ops *skl_get_dsp_ops(int pci_id)
229 for (i = 0; i < ARRAY_SIZE(dsp_ops); i++) {
230 if (dsp_ops[i].id == pci_id)
237 int skl_init_dsp(struct skl *skl)
239 void __iomem *mmio_base;
240 struct hdac_ext_bus *ebus = &skl->ebus;
241 struct hdac_bus *bus = ebus_to_hbus(ebus);
242 struct skl_dsp_loader_ops loader_ops;
244 const struct skl_dsp_ops *ops;
247 /* enable ppcap interrupt */
248 snd_hdac_ext_bus_ppcap_enable(&skl->ebus, true);
249 snd_hdac_ext_bus_ppcap_int_enable(&skl->ebus, true);
251 /* read the BAR of the ADSP MMIO */
252 mmio_base = pci_ioremap_bar(skl->pci, 4);
253 if (mmio_base == NULL) {
254 dev_err(bus->dev, "ioremap error\n");
258 ops = skl_get_dsp_ops(skl->pci->device);
262 loader_ops = ops->loader_ops();
263 ret = ops->init(bus->dev, mmio_base, irq,
264 skl->fw_name, loader_ops,
270 dev_dbg(bus->dev, "dsp registration status=%d\n", ret);
275 int skl_free_dsp(struct skl *skl)
277 struct hdac_ext_bus *ebus = &skl->ebus;
278 struct hdac_bus *bus = ebus_to_hbus(ebus);
279 struct skl_sst *ctx = skl->skl_sst;
280 const struct skl_dsp_ops *ops;
282 /* disable ppcap interrupt */
283 snd_hdac_ext_bus_ppcap_int_enable(&skl->ebus, false);
285 ops = skl_get_dsp_ops(skl->pci->device);
289 ops->cleanup(bus->dev, ctx);
291 if (ctx->dsp->addr.lpe)
292 iounmap(ctx->dsp->addr.lpe);
297 int skl_suspend_dsp(struct skl *skl)
299 struct skl_sst *ctx = skl->skl_sst;
302 /* if ppcap is not supported return 0 */
303 if (!skl->ebus.bus.ppcap)
306 ret = skl_dsp_sleep(ctx->dsp);
310 /* disable ppcap interrupt */
311 snd_hdac_ext_bus_ppcap_int_enable(&skl->ebus, false);
312 snd_hdac_ext_bus_ppcap_enable(&skl->ebus, false);
317 int skl_resume_dsp(struct skl *skl)
319 struct skl_sst *ctx = skl->skl_sst;
322 /* if ppcap is not supported return 0 */
323 if (!skl->ebus.bus.ppcap)
326 /* enable ppcap interrupt */
327 snd_hdac_ext_bus_ppcap_enable(&skl->ebus, true);
328 snd_hdac_ext_bus_ppcap_int_enable(&skl->ebus, true);
330 /* check if DSP 1st boot is done */
331 if (skl->skl_sst->is_first_boot == true)
334 ret = skl_dsp_wake(ctx->dsp);
338 skl_dsp_enable_notification(skl->skl_sst, false);
342 enum skl_bitdepth skl_get_bit_depth(int params)
346 return SKL_DEPTH_8BIT;
349 return SKL_DEPTH_16BIT;
352 return SKL_DEPTH_24BIT;
355 return SKL_DEPTH_32BIT;
358 return SKL_DEPTH_INVALID;
364 * Each module in DSP expects a base module configuration, which consists of
365 * PCM format information, which we calculate in driver and resource values
366 * which are read from widget information passed through topology binary
367 * This is send when we create a module with INIT_INSTANCE IPC msg
369 static void skl_set_base_module_format(struct skl_sst *ctx,
370 struct skl_module_cfg *mconfig,
371 struct skl_base_cfg *base_cfg)
373 struct skl_module_fmt *format = &mconfig->in_fmt[0];
375 base_cfg->audio_fmt.number_of_channels = (u8)format->channels;
377 base_cfg->audio_fmt.s_freq = format->s_freq;
378 base_cfg->audio_fmt.bit_depth = format->bit_depth;
379 base_cfg->audio_fmt.valid_bit_depth = format->valid_bit_depth;
380 base_cfg->audio_fmt.ch_cfg = format->ch_cfg;
382 dev_dbg(ctx->dev, "bit_depth=%x valid_bd=%x ch_config=%x\n",
383 format->bit_depth, format->valid_bit_depth,
386 base_cfg->audio_fmt.channel_map = format->ch_map;
388 base_cfg->audio_fmt.interleaving = format->interleaving_style;
390 base_cfg->cps = mconfig->mcps;
391 base_cfg->ibs = mconfig->ibs;
392 base_cfg->obs = mconfig->obs;
393 base_cfg->is_pages = mconfig->mem_pages;
397 * Copies copier capabilities into copier module and updates copier module
400 static void skl_copy_copier_caps(struct skl_module_cfg *mconfig,
401 struct skl_cpr_cfg *cpr_mconfig)
403 if (mconfig->formats_config.caps_size == 0)
406 memcpy(cpr_mconfig->gtw_cfg.config_data,
407 mconfig->formats_config.caps,
408 mconfig->formats_config.caps_size);
410 cpr_mconfig->gtw_cfg.config_length =
411 (mconfig->formats_config.caps_size) / 4;
414 #define SKL_NON_GATEWAY_CPR_NODE_ID 0xFFFFFFFF
416 * Calculate the gatewat settings required for copier module, type of
417 * gateway and index of gateway to use
419 static u32 skl_get_node_id(struct skl_sst *ctx,
420 struct skl_module_cfg *mconfig)
422 union skl_connector_node_id node_id = {0};
423 union skl_ssp_dma_node ssp_node = {0};
424 struct skl_pipe_params *params = mconfig->pipe->p_params;
426 switch (mconfig->dev_type) {
428 node_id.node.dma_type =
429 (SKL_CONN_SOURCE == mconfig->hw_conn_type) ?
430 SKL_DMA_I2S_LINK_OUTPUT_CLASS :
431 SKL_DMA_I2S_LINK_INPUT_CLASS;
432 node_id.node.vindex = params->host_dma_id +
433 (mconfig->vbus_id << 3);
437 node_id.node.dma_type =
438 (SKL_CONN_SOURCE == mconfig->hw_conn_type) ?
439 SKL_DMA_I2S_LINK_OUTPUT_CLASS :
440 SKL_DMA_I2S_LINK_INPUT_CLASS;
441 ssp_node.dma_node.time_slot_index = mconfig->time_slot;
442 ssp_node.dma_node.i2s_instance = mconfig->vbus_id;
443 node_id.node.vindex = ssp_node.val;
446 case SKL_DEVICE_DMIC:
447 node_id.node.dma_type = SKL_DMA_DMIC_LINK_INPUT_CLASS;
448 node_id.node.vindex = mconfig->vbus_id +
449 (mconfig->time_slot);
452 case SKL_DEVICE_HDALINK:
453 node_id.node.dma_type =
454 (SKL_CONN_SOURCE == mconfig->hw_conn_type) ?
455 SKL_DMA_HDA_LINK_OUTPUT_CLASS :
456 SKL_DMA_HDA_LINK_INPUT_CLASS;
457 node_id.node.vindex = params->link_dma_id;
460 case SKL_DEVICE_HDAHOST:
461 node_id.node.dma_type =
462 (SKL_CONN_SOURCE == mconfig->hw_conn_type) ?
463 SKL_DMA_HDA_HOST_OUTPUT_CLASS :
464 SKL_DMA_HDA_HOST_INPUT_CLASS;
465 node_id.node.vindex = params->host_dma_id;
469 node_id.val = 0xFFFFFFFF;
476 static void skl_setup_cpr_gateway_cfg(struct skl_sst *ctx,
477 struct skl_module_cfg *mconfig,
478 struct skl_cpr_cfg *cpr_mconfig)
480 cpr_mconfig->gtw_cfg.node_id = skl_get_node_id(ctx, mconfig);
482 if (cpr_mconfig->gtw_cfg.node_id == SKL_NON_GATEWAY_CPR_NODE_ID) {
483 cpr_mconfig->cpr_feature_mask = 0;
487 if (SKL_CONN_SOURCE == mconfig->hw_conn_type)
488 cpr_mconfig->gtw_cfg.dma_buffer_size = 2 * mconfig->obs;
490 cpr_mconfig->gtw_cfg.dma_buffer_size = 2 * mconfig->ibs;
492 cpr_mconfig->cpr_feature_mask = 0;
493 cpr_mconfig->gtw_cfg.config_length = 0;
495 skl_copy_copier_caps(mconfig, cpr_mconfig);
498 #define DMA_CONTROL_ID 5
500 int skl_dsp_set_dma_control(struct skl_sst *ctx, struct skl_module_cfg *mconfig)
502 struct skl_dma_control *dma_ctrl;
503 struct skl_i2s_config_blob config_blob;
504 struct skl_ipc_large_config_msg msg = {0};
509 * if blob size is same as capablity size, then no dma control
512 if (mconfig->formats_config.caps_size == sizeof(config_blob))
515 msg.large_param_id = DMA_CONTROL_ID;
516 msg.param_data_size = sizeof(struct skl_dma_control) +
517 mconfig->formats_config.caps_size;
519 dma_ctrl = kzalloc(msg.param_data_size, GFP_KERNEL);
520 if (dma_ctrl == NULL)
523 dma_ctrl->node_id = skl_get_node_id(ctx, mconfig);
526 dma_ctrl->config_length = sizeof(config_blob) / 4;
528 memcpy(dma_ctrl->config_data, mconfig->formats_config.caps,
529 mconfig->formats_config.caps_size);
531 err = skl_ipc_set_large_config(&ctx->ipc, &msg, (u32 *)dma_ctrl);
538 static void skl_setup_out_format(struct skl_sst *ctx,
539 struct skl_module_cfg *mconfig,
540 struct skl_audio_data_format *out_fmt)
542 struct skl_module_fmt *format = &mconfig->out_fmt[0];
544 out_fmt->number_of_channels = (u8)format->channels;
545 out_fmt->s_freq = format->s_freq;
546 out_fmt->bit_depth = format->bit_depth;
547 out_fmt->valid_bit_depth = format->valid_bit_depth;
548 out_fmt->ch_cfg = format->ch_cfg;
550 out_fmt->channel_map = format->ch_map;
551 out_fmt->interleaving = format->interleaving_style;
552 out_fmt->sample_type = format->sample_type;
554 dev_dbg(ctx->dev, "copier out format chan=%d fre=%d bitdepth=%d\n",
555 out_fmt->number_of_channels, format->s_freq, format->bit_depth);
559 * DSP needs SRC module for frequency conversion, SRC takes base module
560 * configuration and the target frequency as extra parameter passed as src
563 static void skl_set_src_format(struct skl_sst *ctx,
564 struct skl_module_cfg *mconfig,
565 struct skl_src_module_cfg *src_mconfig)
567 struct skl_module_fmt *fmt = &mconfig->out_fmt[0];
569 skl_set_base_module_format(ctx, mconfig,
570 (struct skl_base_cfg *)src_mconfig);
572 src_mconfig->src_cfg = fmt->s_freq;
576 * DSP needs updown module to do channel conversion. updown module take base
577 * module configuration and channel configuration
578 * It also take coefficients and now we have defaults applied here
580 static void skl_set_updown_mixer_format(struct skl_sst *ctx,
581 struct skl_module_cfg *mconfig,
582 struct skl_up_down_mixer_cfg *mixer_mconfig)
584 struct skl_module_fmt *fmt = &mconfig->out_fmt[0];
587 skl_set_base_module_format(ctx, mconfig,
588 (struct skl_base_cfg *)mixer_mconfig);
589 mixer_mconfig->out_ch_cfg = fmt->ch_cfg;
591 /* Select F/W default coefficient */
592 mixer_mconfig->coeff_sel = 0x0;
594 /* User coeff, don't care since we are selecting F/W defaults */
595 for (i = 0; i < UP_DOWN_MIXER_MAX_COEFF; i++)
596 mixer_mconfig->coeff[i] = 0xDEADBEEF;
600 * 'copier' is DSP internal module which copies data from Host DMA (HDA host
601 * dma) or link (hda link, SSP, PDM)
602 * Here we calculate the copier module parameters, like PCM format, output
603 * format, gateway settings
604 * copier_module_config is sent as input buffer with INIT_INSTANCE IPC msg
606 static void skl_set_copier_format(struct skl_sst *ctx,
607 struct skl_module_cfg *mconfig,
608 struct skl_cpr_cfg *cpr_mconfig)
610 struct skl_audio_data_format *out_fmt = &cpr_mconfig->out_fmt;
611 struct skl_base_cfg *base_cfg = (struct skl_base_cfg *)cpr_mconfig;
613 skl_set_base_module_format(ctx, mconfig, base_cfg);
615 skl_setup_out_format(ctx, mconfig, out_fmt);
616 skl_setup_cpr_gateway_cfg(ctx, mconfig, cpr_mconfig);
620 * Algo module are DSP pre processing modules. Algo module take base module
621 * configuration and params
624 static void skl_set_algo_format(struct skl_sst *ctx,
625 struct skl_module_cfg *mconfig,
626 struct skl_algo_cfg *algo_mcfg)
628 struct skl_base_cfg *base_cfg = (struct skl_base_cfg *)algo_mcfg;
630 skl_set_base_module_format(ctx, mconfig, base_cfg);
632 if (mconfig->formats_config.caps_size == 0)
635 memcpy(algo_mcfg->params,
636 mconfig->formats_config.caps,
637 mconfig->formats_config.caps_size);
642 * Mic select module allows selecting one or many input channels, thus
645 * Mic select module take base module configuration and out-format
648 static void skl_set_base_outfmt_format(struct skl_sst *ctx,
649 struct skl_module_cfg *mconfig,
650 struct skl_base_outfmt_cfg *base_outfmt_mcfg)
652 struct skl_audio_data_format *out_fmt = &base_outfmt_mcfg->out_fmt;
653 struct skl_base_cfg *base_cfg =
654 (struct skl_base_cfg *)base_outfmt_mcfg;
656 skl_set_base_module_format(ctx, mconfig, base_cfg);
657 skl_setup_out_format(ctx, mconfig, out_fmt);
660 static u16 skl_get_module_param_size(struct skl_sst *ctx,
661 struct skl_module_cfg *mconfig)
665 switch (mconfig->m_type) {
666 case SKL_MODULE_TYPE_COPIER:
667 param_size = sizeof(struct skl_cpr_cfg);
668 param_size += mconfig->formats_config.caps_size;
671 case SKL_MODULE_TYPE_SRCINT:
672 return sizeof(struct skl_src_module_cfg);
674 case SKL_MODULE_TYPE_UPDWMIX:
675 return sizeof(struct skl_up_down_mixer_cfg);
677 case SKL_MODULE_TYPE_ALGO:
678 param_size = sizeof(struct skl_base_cfg);
679 param_size += mconfig->formats_config.caps_size;
682 case SKL_MODULE_TYPE_BASE_OUTFMT:
683 case SKL_MODULE_TYPE_KPB:
684 return sizeof(struct skl_base_outfmt_cfg);
688 * return only base cfg when no specific module type is
691 return sizeof(struct skl_base_cfg);
698 * DSP firmware supports various modules like copier, SRC, updown etc.
699 * These modules required various parameters to be calculated and sent for
700 * the module initialization to DSP. By default a generic module needs only
701 * base module format configuration
704 static int skl_set_module_format(struct skl_sst *ctx,
705 struct skl_module_cfg *module_config,
706 u16 *module_config_size,
711 param_size = skl_get_module_param_size(ctx, module_config);
713 *param_data = kzalloc(param_size, GFP_KERNEL);
714 if (NULL == *param_data)
717 *module_config_size = param_size;
719 switch (module_config->m_type) {
720 case SKL_MODULE_TYPE_COPIER:
721 skl_set_copier_format(ctx, module_config, *param_data);
724 case SKL_MODULE_TYPE_SRCINT:
725 skl_set_src_format(ctx, module_config, *param_data);
728 case SKL_MODULE_TYPE_UPDWMIX:
729 skl_set_updown_mixer_format(ctx, module_config, *param_data);
732 case SKL_MODULE_TYPE_ALGO:
733 skl_set_algo_format(ctx, module_config, *param_data);
736 case SKL_MODULE_TYPE_BASE_OUTFMT:
737 case SKL_MODULE_TYPE_KPB:
738 skl_set_base_outfmt_format(ctx, module_config, *param_data);
742 skl_set_base_module_format(ctx, module_config, *param_data);
747 dev_dbg(ctx->dev, "Module type=%d config size: %d bytes\n",
748 module_config->id.module_id, param_size);
749 print_hex_dump_debug("Module params:", DUMP_PREFIX_OFFSET, 8, 4,
750 *param_data, param_size, false);
754 static int skl_get_queue_index(struct skl_module_pin *mpin,
755 struct skl_module_inst_id id, int max)
759 for (i = 0; i < max; i++) {
760 if (mpin[i].id.module_id == id.module_id &&
761 mpin[i].id.instance_id == id.instance_id)
769 * Allocates queue for each module.
770 * if dynamic, the pin_index is allocated 0 to max_pin.
771 * In static, the pin_index is fixed based on module_id and instance id
773 static int skl_alloc_queue(struct skl_module_pin *mpin,
774 struct skl_module_cfg *tgt_cfg, int max)
777 struct skl_module_inst_id id = tgt_cfg->id;
779 * if pin in dynamic, find first free pin
780 * otherwise find match module and instance id pin as topology will
781 * ensure a unique pin is assigned to this so no need to
784 for (i = 0; i < max; i++) {
785 if (mpin[i].is_dynamic) {
786 if (!mpin[i].in_use &&
787 mpin[i].pin_state == SKL_PIN_UNBIND) {
789 mpin[i].in_use = true;
790 mpin[i].id.module_id = id.module_id;
791 mpin[i].id.instance_id = id.instance_id;
792 mpin[i].id.pvt_id = id.pvt_id;
793 mpin[i].tgt_mcfg = tgt_cfg;
797 if (mpin[i].id.module_id == id.module_id &&
798 mpin[i].id.instance_id == id.instance_id &&
799 mpin[i].pin_state == SKL_PIN_UNBIND) {
801 mpin[i].tgt_mcfg = tgt_cfg;
810 static void skl_free_queue(struct skl_module_pin *mpin, int q_index)
812 if (mpin[q_index].is_dynamic) {
813 mpin[q_index].in_use = false;
814 mpin[q_index].id.module_id = 0;
815 mpin[q_index].id.instance_id = 0;
816 mpin[q_index].id.pvt_id = 0;
818 mpin[q_index].pin_state = SKL_PIN_UNBIND;
819 mpin[q_index].tgt_mcfg = NULL;
822 /* Module state will be set to unint, if all the out pin state is UNBIND */
824 static void skl_clear_module_state(struct skl_module_pin *mpin, int max,
825 struct skl_module_cfg *mcfg)
830 for (i = 0; i < max; i++) {
831 if (mpin[i].pin_state == SKL_PIN_UNBIND)
838 mcfg->m_state = SKL_MODULE_UNINIT;
843 * A module needs to be instanataited in DSP. A mdoule is present in a
844 * collection of module referred as a PIPE.
845 * We first calculate the module format, based on module type and then
846 * invoke the DSP by sending IPC INIT_INSTANCE using ipc helper
848 int skl_init_module(struct skl_sst *ctx,
849 struct skl_module_cfg *mconfig)
851 u16 module_config_size = 0;
852 void *param_data = NULL;
854 struct skl_ipc_init_instance_msg msg;
856 dev_dbg(ctx->dev, "%s: module_id = %d instance=%d\n", __func__,
857 mconfig->id.module_id, mconfig->id.pvt_id);
859 if (mconfig->pipe->state != SKL_PIPE_CREATED) {
860 dev_err(ctx->dev, "Pipe not created state= %d pipe_id= %d\n",
861 mconfig->pipe->state, mconfig->pipe->ppl_id);
865 ret = skl_set_module_format(ctx, mconfig,
866 &module_config_size, ¶m_data);
868 dev_err(ctx->dev, "Failed to set module format ret=%d\n", ret);
872 msg.module_id = mconfig->id.module_id;
873 msg.instance_id = mconfig->id.pvt_id;
874 msg.ppl_instance_id = mconfig->pipe->ppl_id;
875 msg.param_data_size = module_config_size;
876 msg.core_id = mconfig->core_id;
877 msg.domain = mconfig->domain;
879 ret = skl_ipc_init_instance(&ctx->ipc, &msg, param_data);
881 dev_err(ctx->dev, "Failed to init instance ret=%d\n", ret);
885 mconfig->m_state = SKL_MODULE_INIT_DONE;
890 static void skl_dump_bind_info(struct skl_sst *ctx, struct skl_module_cfg
891 *src_module, struct skl_module_cfg *dst_module)
893 dev_dbg(ctx->dev, "%s: src module_id = %d src_instance=%d\n",
894 __func__, src_module->id.module_id, src_module->id.pvt_id);
895 dev_dbg(ctx->dev, "%s: dst_module=%d dst_instacne=%d\n", __func__,
896 dst_module->id.module_id, dst_module->id.pvt_id);
898 dev_dbg(ctx->dev, "src_module state = %d dst module state = %d\n",
899 src_module->m_state, dst_module->m_state);
903 * On module freeup, we need to unbind the module with modules
904 * it is already bind.
905 * Find the pin allocated and unbind then using bind_unbind IPC
907 int skl_unbind_modules(struct skl_sst *ctx,
908 struct skl_module_cfg *src_mcfg,
909 struct skl_module_cfg *dst_mcfg)
912 struct skl_ipc_bind_unbind_msg msg;
913 struct skl_module_inst_id src_id = src_mcfg->id;
914 struct skl_module_inst_id dst_id = dst_mcfg->id;
915 int in_max = dst_mcfg->max_in_queue;
916 int out_max = src_mcfg->max_out_queue;
917 int src_index, dst_index, src_pin_state, dst_pin_state;
919 skl_dump_bind_info(ctx, src_mcfg, dst_mcfg);
921 /* get src queue index */
922 src_index = skl_get_queue_index(src_mcfg->m_out_pin, dst_id, out_max);
926 msg.src_queue = src_index;
928 /* get dst queue index */
929 dst_index = skl_get_queue_index(dst_mcfg->m_in_pin, src_id, in_max);
933 msg.dst_queue = dst_index;
935 src_pin_state = src_mcfg->m_out_pin[src_index].pin_state;
936 dst_pin_state = dst_mcfg->m_in_pin[dst_index].pin_state;
938 if (src_pin_state != SKL_PIN_BIND_DONE ||
939 dst_pin_state != SKL_PIN_BIND_DONE)
942 msg.module_id = src_mcfg->id.module_id;
943 msg.instance_id = src_mcfg->id.pvt_id;
944 msg.dst_module_id = dst_mcfg->id.module_id;
945 msg.dst_instance_id = dst_mcfg->id.pvt_id;
948 ret = skl_ipc_bind_unbind(&ctx->ipc, &msg);
950 /* free queue only if unbind is success */
951 skl_free_queue(src_mcfg->m_out_pin, src_index);
952 skl_free_queue(dst_mcfg->m_in_pin, dst_index);
955 * check only if src module bind state, bind is
956 * always from src -> sink
958 skl_clear_module_state(src_mcfg->m_out_pin, out_max, src_mcfg);
965 * Once a module is instantiated it need to be 'bind' with other modules in
966 * the pipeline. For binding we need to find the module pins which are bind
968 * This function finds the pins and then sends bund_unbind IPC message to
969 * DSP using IPC helper
971 int skl_bind_modules(struct skl_sst *ctx,
972 struct skl_module_cfg *src_mcfg,
973 struct skl_module_cfg *dst_mcfg)
976 struct skl_ipc_bind_unbind_msg msg;
977 int in_max = dst_mcfg->max_in_queue;
978 int out_max = src_mcfg->max_out_queue;
979 int src_index, dst_index;
981 skl_dump_bind_info(ctx, src_mcfg, dst_mcfg);
983 if (src_mcfg->m_state < SKL_MODULE_INIT_DONE ||
984 dst_mcfg->m_state < SKL_MODULE_INIT_DONE)
987 src_index = skl_alloc_queue(src_mcfg->m_out_pin, dst_mcfg, out_max);
991 msg.src_queue = src_index;
992 dst_index = skl_alloc_queue(dst_mcfg->m_in_pin, src_mcfg, in_max);
994 skl_free_queue(src_mcfg->m_out_pin, src_index);
998 msg.dst_queue = dst_index;
1000 dev_dbg(ctx->dev, "src queue = %d dst queue =%d\n",
1001 msg.src_queue, msg.dst_queue);
1003 msg.module_id = src_mcfg->id.module_id;
1004 msg.instance_id = src_mcfg->id.pvt_id;
1005 msg.dst_module_id = dst_mcfg->id.module_id;
1006 msg.dst_instance_id = dst_mcfg->id.pvt_id;
1009 ret = skl_ipc_bind_unbind(&ctx->ipc, &msg);
1012 src_mcfg->m_state = SKL_MODULE_BIND_DONE;
1013 src_mcfg->m_out_pin[src_index].pin_state = SKL_PIN_BIND_DONE;
1014 dst_mcfg->m_in_pin[dst_index].pin_state = SKL_PIN_BIND_DONE;
1016 /* error case , if IPC fails, clear the queue index */
1017 skl_free_queue(src_mcfg->m_out_pin, src_index);
1018 skl_free_queue(dst_mcfg->m_in_pin, dst_index);
1024 static int skl_set_pipe_state(struct skl_sst *ctx, struct skl_pipe *pipe,
1025 enum skl_ipc_pipeline_state state)
1027 dev_dbg(ctx->dev, "%s: pipe_satate = %d\n", __func__, state);
1029 return skl_ipc_set_pipeline_state(&ctx->ipc, pipe->ppl_id, state);
1033 * A pipeline is a collection of modules. Before a module in instantiated a
1034 * pipeline needs to be created for it.
1035 * This function creates pipeline, by sending create pipeline IPC messages
1038 int skl_create_pipeline(struct skl_sst *ctx, struct skl_pipe *pipe)
1042 dev_dbg(ctx->dev, "%s: pipe_id = %d\n", __func__, pipe->ppl_id);
1044 ret = skl_ipc_create_pipeline(&ctx->ipc, pipe->memory_pages,
1045 pipe->pipe_priority, pipe->ppl_id);
1047 dev_err(ctx->dev, "Failed to create pipeline\n");
1051 pipe->state = SKL_PIPE_CREATED;
1057 * A pipeline needs to be deleted on cleanup. If a pipeline is running, then
1058 * pause the pipeline first and then delete it
1059 * The pipe delete is done by sending delete pipeline IPC. DSP will stop the
1060 * DMA engines and releases resources
1062 int skl_delete_pipe(struct skl_sst *ctx, struct skl_pipe *pipe)
1066 dev_dbg(ctx->dev, "%s: pipe = %d\n", __func__, pipe->ppl_id);
1068 /* If pipe is started, do stop the pipe in FW. */
1069 if (pipe->state > SKL_PIPE_STARTED) {
1070 ret = skl_set_pipe_state(ctx, pipe, PPL_PAUSED);
1072 dev_err(ctx->dev, "Failed to stop pipeline\n");
1076 pipe->state = SKL_PIPE_PAUSED;
1079 /* If pipe was not created in FW, do not try to delete it */
1080 if (pipe->state < SKL_PIPE_CREATED)
1083 ret = skl_ipc_delete_pipeline(&ctx->ipc, pipe->ppl_id);
1085 dev_err(ctx->dev, "Failed to delete pipeline\n");
1089 pipe->state = SKL_PIPE_INVALID;
1095 * A pipeline is also a scheduling entity in DSP which can be run, stopped
1096 * For processing data the pipe need to be run by sending IPC set pipe state
1099 int skl_run_pipe(struct skl_sst *ctx, struct skl_pipe *pipe)
1103 dev_dbg(ctx->dev, "%s: pipe = %d\n", __func__, pipe->ppl_id);
1105 /* If pipe was not created in FW, do not try to pause or delete */
1106 if (pipe->state < SKL_PIPE_CREATED)
1109 /* Pipe has to be paused before it is started */
1110 ret = skl_set_pipe_state(ctx, pipe, PPL_PAUSED);
1112 dev_err(ctx->dev, "Failed to pause pipe\n");
1116 pipe->state = SKL_PIPE_PAUSED;
1118 ret = skl_set_pipe_state(ctx, pipe, PPL_RUNNING);
1120 dev_err(ctx->dev, "Failed to start pipe\n");
1124 pipe->state = SKL_PIPE_STARTED;
1130 * Stop the pipeline by sending set pipe state IPC
1131 * DSP doesnt implement stop so we always send pause message
1133 int skl_stop_pipe(struct skl_sst *ctx, struct skl_pipe *pipe)
1137 dev_dbg(ctx->dev, "In %s pipe=%d\n", __func__, pipe->ppl_id);
1139 /* If pipe was not created in FW, do not try to pause or delete */
1140 if (pipe->state < SKL_PIPE_PAUSED)
1143 ret = skl_set_pipe_state(ctx, pipe, PPL_PAUSED);
1145 dev_dbg(ctx->dev, "Failed to stop pipe\n");
1149 pipe->state = SKL_PIPE_PAUSED;
1155 * Reset the pipeline by sending set pipe state IPC this will reset the DMA
1158 int skl_reset_pipe(struct skl_sst *ctx, struct skl_pipe *pipe)
1162 /* If pipe was not created in FW, do not try to pause or delete */
1163 if (pipe->state < SKL_PIPE_PAUSED)
1166 ret = skl_set_pipe_state(ctx, pipe, PPL_RESET);
1168 dev_dbg(ctx->dev, "Failed to reset pipe ret=%d\n", ret);
1172 pipe->state = SKL_PIPE_RESET;
1177 /* Algo parameter set helper function */
1178 int skl_set_module_params(struct skl_sst *ctx, u32 *params, int size,
1179 u32 param_id, struct skl_module_cfg *mcfg)
1181 struct skl_ipc_large_config_msg msg;
1183 msg.module_id = mcfg->id.module_id;
1184 msg.instance_id = mcfg->id.pvt_id;
1185 msg.param_data_size = size;
1186 msg.large_param_id = param_id;
1188 return skl_ipc_set_large_config(&ctx->ipc, &msg, params);
1191 int skl_get_module_params(struct skl_sst *ctx, u32 *params, int size,
1192 u32 param_id, struct skl_module_cfg *mcfg)
1194 struct skl_ipc_large_config_msg msg;
1196 msg.module_id = mcfg->id.module_id;
1197 msg.instance_id = mcfg->id.pvt_id;
1198 msg.param_data_size = size;
1199 msg.large_param_id = param_id;
1201 return skl_ipc_get_large_config(&ctx->ipc, &msg, params);