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- /*
- * skl-topology.c - Implements Platform component ALSA controls/widget
- * handlers.
- *
- * Copyright (C) 2014-2015 Intel Corp
- * Author: Jeeja KP <jeeja.kp@intel.com>
- * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as version 2, as
- * published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * General Public License for more details.
- */
- #include <linux/slab.h>
- #include <linux/types.h>
- #include <linux/firmware.h>
- #include <sound/soc.h>
- #include <sound/soc-topology.h>
- #include "skl-sst-dsp.h"
- #include "skl-sst-ipc.h"
- #include "skl-topology.h"
- #include "skl.h"
- #include "skl-tplg-interface.h"
- #define SKL_CH_FIXUP_MASK (1 << 0)
- #define SKL_RATE_FIXUP_MASK (1 << 1)
- #define SKL_FMT_FIXUP_MASK (1 << 2)
- /*
- * SKL DSP driver modelling uses only few DAPM widgets so for rest we will
- * ignore. This helpers checks if the SKL driver handles this widget type
- */
- static int is_skl_dsp_widget_type(struct snd_soc_dapm_widget *w)
- {
- switch (w->id) {
- case snd_soc_dapm_dai_link:
- case snd_soc_dapm_dai_in:
- case snd_soc_dapm_aif_in:
- case snd_soc_dapm_aif_out:
- case snd_soc_dapm_dai_out:
- case snd_soc_dapm_switch:
- return false;
- default:
- return true;
- }
- }
- /*
- * Each pipelines needs memory to be allocated. Check if we have free memory
- * from available pool. Then only add this to pool
- * This is freed when pipe is deleted
- * Note: DSP does actual memory management we only keep track for complete
- * pool
- */
- static bool skl_tplg_alloc_pipe_mem(struct skl *skl,
- struct skl_module_cfg *mconfig)
- {
- struct skl_sst *ctx = skl->skl_sst;
- if (skl->resource.mem + mconfig->pipe->memory_pages >
- skl->resource.max_mem) {
- dev_err(ctx->dev,
- "%s: module_id %d instance %d\n", __func__,
- mconfig->id.module_id,
- mconfig->id.instance_id);
- dev_err(ctx->dev,
- "exceeds ppl memory available %d mem %d\n",
- skl->resource.max_mem, skl->resource.mem);
- return false;
- }
- skl->resource.mem += mconfig->pipe->memory_pages;
- return true;
- }
- /*
- * Pipeline needs needs DSP CPU resources for computation, this is
- * quantified in MCPS (Million Clocks Per Second) required for module/pipe
- *
- * Each pipelines needs mcps to be allocated. Check if we have mcps for this
- * pipe. This adds the mcps to driver counter
- * This is removed on pipeline delete
- */
- static bool skl_tplg_alloc_pipe_mcps(struct skl *skl,
- struct skl_module_cfg *mconfig)
- {
- struct skl_sst *ctx = skl->skl_sst;
- if (skl->resource.mcps + mconfig->mcps > skl->resource.max_mcps) {
- dev_err(ctx->dev,
- "%s: module_id %d instance %d\n", __func__,
- mconfig->id.module_id, mconfig->id.instance_id);
- dev_err(ctx->dev,
- "exceeds ppl memory available %d > mem %d\n",
- skl->resource.max_mcps, skl->resource.mcps);
- return false;
- }
- skl->resource.mcps += mconfig->mcps;
- return true;
- }
- /*
- * Free the mcps when tearing down
- */
- static void
- skl_tplg_free_pipe_mcps(struct skl *skl, struct skl_module_cfg *mconfig)
- {
- skl->resource.mcps -= mconfig->mcps;
- }
- /*
- * Free the memory when tearing down
- */
- static void
- skl_tplg_free_pipe_mem(struct skl *skl, struct skl_module_cfg *mconfig)
- {
- skl->resource.mem -= mconfig->pipe->memory_pages;
- }
- static void skl_dump_mconfig(struct skl_sst *ctx,
- struct skl_module_cfg *mcfg)
- {
- dev_dbg(ctx->dev, "Dumping config\n");
- dev_dbg(ctx->dev, "Input Format:\n");
- dev_dbg(ctx->dev, "channels = %d\n", mcfg->in_fmt.channels);
- dev_dbg(ctx->dev, "s_freq = %d\n", mcfg->in_fmt.s_freq);
- dev_dbg(ctx->dev, "ch_cfg = %d\n", mcfg->in_fmt.ch_cfg);
- dev_dbg(ctx->dev, "valid bit depth = %d\n",
- mcfg->in_fmt.valid_bit_depth);
- dev_dbg(ctx->dev, "Output Format:\n");
- dev_dbg(ctx->dev, "channels = %d\n", mcfg->out_fmt.channels);
- dev_dbg(ctx->dev, "s_freq = %d\n", mcfg->out_fmt.s_freq);
- dev_dbg(ctx->dev, "valid bit depth = %d\n",
- mcfg->out_fmt.valid_bit_depth);
- dev_dbg(ctx->dev, "ch_cfg = %d\n", mcfg->out_fmt.ch_cfg);
- }
- static void skl_tplg_update_params(struct skl_module_fmt *fmt,
- struct skl_pipe_params *params, int fixup)
- {
- if (fixup & SKL_RATE_FIXUP_MASK)
- fmt->s_freq = params->s_freq;
- if (fixup & SKL_CH_FIXUP_MASK)
- fmt->channels = params->ch;
- if (fixup & SKL_FMT_FIXUP_MASK)
- fmt->valid_bit_depth = params->s_fmt;
- }
- /*
- * A pipeline may have modules which impact the pcm parameters, like SRC,
- * channel converter, format converter.
- * We need to calculate the output params by applying the 'fixup'
- * Topology will tell driver which type of fixup is to be applied by
- * supplying the fixup mask, so based on that we calculate the output
- *
- * Now In FE the pcm hw_params is source/target format. Same is applicable
- * for BE with its hw_params invoked.
- * here based on FE, BE pipeline and direction we calculate the input and
- * outfix and then apply that for a module
- */
- static void skl_tplg_update_params_fixup(struct skl_module_cfg *m_cfg,
- struct skl_pipe_params *params, bool is_fe)
- {
- int in_fixup, out_fixup;
- struct skl_module_fmt *in_fmt, *out_fmt;
- in_fmt = &m_cfg->in_fmt;
- out_fmt = &m_cfg->out_fmt;
- if (params->stream == SNDRV_PCM_STREAM_PLAYBACK) {
- if (is_fe) {
- in_fixup = m_cfg->params_fixup;
- out_fixup = (~m_cfg->converter) &
- m_cfg->params_fixup;
- } else {
- out_fixup = m_cfg->params_fixup;
- in_fixup = (~m_cfg->converter) &
- m_cfg->params_fixup;
- }
- } else {
- if (is_fe) {
- out_fixup = m_cfg->params_fixup;
- in_fixup = (~m_cfg->converter) &
- m_cfg->params_fixup;
- } else {
- in_fixup = m_cfg->params_fixup;
- out_fixup = (~m_cfg->converter) &
- m_cfg->params_fixup;
- }
- }
- skl_tplg_update_params(in_fmt, params, in_fixup);
- skl_tplg_update_params(out_fmt, params, out_fixup);
- }
- /*
- * A module needs input and output buffers, which are dependent upon pcm
- * params, so once we have calculate params, we need buffer calculation as
- * well.
- */
- static void skl_tplg_update_buffer_size(struct skl_sst *ctx,
- struct skl_module_cfg *mcfg)
- {
- int multiplier = 1;
- if (mcfg->m_type == SKL_MODULE_TYPE_SRCINT)
- multiplier = 5;
- mcfg->ibs = (mcfg->in_fmt.s_freq / 1000) *
- (mcfg->in_fmt.channels) *
- (mcfg->in_fmt.bit_depth >> 3) *
- multiplier;
- mcfg->obs = (mcfg->out_fmt.s_freq / 1000) *
- (mcfg->out_fmt.channels) *
- (mcfg->out_fmt.bit_depth >> 3) *
- multiplier;
- }
- static void skl_tplg_update_module_params(struct snd_soc_dapm_widget *w,
- struct skl_sst *ctx)
- {
- struct skl_module_cfg *m_cfg = w->priv;
- struct skl_pipe_params *params = m_cfg->pipe->p_params;
- int p_conn_type = m_cfg->pipe->conn_type;
- bool is_fe;
- if (!m_cfg->params_fixup)
- return;
- dev_dbg(ctx->dev, "Mconfig for widget=%s BEFORE updation\n",
- w->name);
- skl_dump_mconfig(ctx, m_cfg);
- if (p_conn_type == SKL_PIPE_CONN_TYPE_FE)
- is_fe = true;
- else
- is_fe = false;
- skl_tplg_update_params_fixup(m_cfg, params, is_fe);
- skl_tplg_update_buffer_size(ctx, m_cfg);
- dev_dbg(ctx->dev, "Mconfig for widget=%s AFTER updation\n",
- w->name);
- skl_dump_mconfig(ctx, m_cfg);
- }
- /*
- * A pipe can have multiple modules, each of them will be a DAPM widget as
- * well. While managing a pipeline we need to get the list of all the
- * widgets in a pipelines, so this helper - skl_tplg_get_pipe_widget() helps
- * to get the SKL type widgets in that pipeline
- */
- static int skl_tplg_alloc_pipe_widget(struct device *dev,
- struct snd_soc_dapm_widget *w, struct skl_pipe *pipe)
- {
- struct skl_module_cfg *src_module = NULL;
- struct snd_soc_dapm_path *p = NULL;
- struct skl_pipe_module *p_module = NULL;
- p_module = devm_kzalloc(dev, sizeof(*p_module), GFP_KERNEL);
- if (!p_module)
- return -ENOMEM;
- p_module->w = w;
- list_add_tail(&p_module->node, &pipe->w_list);
- snd_soc_dapm_widget_for_each_sink_path(w, p) {
- if ((p->sink->priv == NULL)
- && (!is_skl_dsp_widget_type(w)))
- continue;
- if ((p->sink->priv != NULL) && p->connect
- && is_skl_dsp_widget_type(p->sink)) {
- src_module = p->sink->priv;
- if (pipe->ppl_id == src_module->pipe->ppl_id)
- skl_tplg_alloc_pipe_widget(dev,
- p->sink, pipe);
- }
- }
- return 0;
- }
- /*
- * Inside a pipe instance, we can have various modules. These modules need
- * to instantiated in DSP by invoking INIT_MODULE IPC, which is achieved by
- * skl_init_module() routine, so invoke that for all modules in a pipeline
- */
- static int
- skl_tplg_init_pipe_modules(struct skl *skl, struct skl_pipe *pipe)
- {
- struct skl_pipe_module *w_module;
- struct snd_soc_dapm_widget *w;
- struct skl_module_cfg *mconfig;
- struct skl_sst *ctx = skl->skl_sst;
- int ret = 0;
- list_for_each_entry(w_module, &pipe->w_list, node) {
- w = w_module->w;
- mconfig = w->priv;
- /* check resource available */
- if (!skl_tplg_alloc_pipe_mcps(skl, mconfig))
- return -ENOMEM;
- /*
- * apply fix/conversion to module params based on
- * FE/BE params
- */
- skl_tplg_update_module_params(w, ctx);
- ret = skl_init_module(ctx, mconfig, NULL);
- if (ret < 0)
- return ret;
- }
- return 0;
- }
- /*
- * Mixer module represents a pipeline. So in the Pre-PMU event of mixer we
- * need create the pipeline. So we do following:
- * - check the resources
- * - Create the pipeline
- * - Initialize the modules in pipeline
- * - finally bind all modules together
- */
- static int skl_tplg_mixer_dapm_pre_pmu_event(struct snd_soc_dapm_widget *w,
- struct skl *skl)
- {
- int ret;
- struct skl_module_cfg *mconfig = w->priv;
- struct skl_pipe_module *w_module;
- struct skl_pipe *s_pipe = mconfig->pipe;
- struct skl_module_cfg *src_module = NULL, *dst_module;
- struct skl_sst *ctx = skl->skl_sst;
- /* check resource available */
- if (!skl_tplg_alloc_pipe_mcps(skl, mconfig))
- return -EBUSY;
- if (!skl_tplg_alloc_pipe_mem(skl, mconfig))
- return -ENOMEM;
- /*
- * Create a list of modules for pipe.
- * This list contains modules from source to sink
- */
- ret = skl_create_pipeline(ctx, mconfig->pipe);
- if (ret < 0)
- return ret;
- /*
- * we create a w_list of all widgets in that pipe. This list is not
- * freed on PMD event as widgets within a pipe are static. This
- * saves us cycles to get widgets in pipe every time.
- *
- * So if we have already initialized all the widgets of a pipeline
- * we skip, so check for list_empty and create the list if empty
- */
- if (list_empty(&s_pipe->w_list)) {
- ret = skl_tplg_alloc_pipe_widget(ctx->dev, w, s_pipe);
- if (ret < 0)
- return ret;
- }
- /* Init all pipe modules from source to sink */
- ret = skl_tplg_init_pipe_modules(skl, s_pipe);
- if (ret < 0)
- return ret;
- /* Bind modules from source to sink */
- list_for_each_entry(w_module, &s_pipe->w_list, node) {
- dst_module = w_module->w->priv;
- if (src_module == NULL) {
- src_module = dst_module;
- continue;
- }
- ret = skl_bind_modules(ctx, src_module, dst_module);
- if (ret < 0)
- return ret;
- src_module = dst_module;
- }
- return 0;
- }
- /*
- * A PGA represents a module in a pipeline. So in the Pre-PMU event of PGA
- * we need to do following:
- * - Bind to sink pipeline
- * Since the sink pipes can be running and we don't get mixer event on
- * connect for already running mixer, we need to find the sink pipes
- * here and bind to them. This way dynamic connect works.
- * - Start sink pipeline, if not running
- * - Then run current pipe
- */
- static int skl_tplg_pga_dapm_pre_pmu_event(struct snd_soc_dapm_widget *w,
- struct skl *skl)
- {
- struct snd_soc_dapm_path *p;
- struct skl_dapm_path_list *path_list;
- struct snd_soc_dapm_widget *source, *sink;
- struct skl_module_cfg *src_mconfig, *sink_mconfig;
- struct skl_sst *ctx = skl->skl_sst;
- int ret = 0;
- source = w;
- src_mconfig = source->priv;
- /*
- * find which sink it is connected to, bind with the sink,
- * if sink is not started, start sink pipe first, then start
- * this pipe
- */
- snd_soc_dapm_widget_for_each_source_path(w, p) {
- if (!p->connect)
- continue;
- dev_dbg(ctx->dev, "%s: src widget=%s\n", __func__, w->name);
- dev_dbg(ctx->dev, "%s: sink widget=%s\n", __func__, p->sink->name);
- /*
- * here we will check widgets in sink pipelines, so that
- * can be any widgets type and we are only interested if
- * they are ones used for SKL so check that first
- */
- if ((p->sink->priv != NULL) &&
- is_skl_dsp_widget_type(p->sink)) {
- sink = p->sink;
- src_mconfig = source->priv;
- sink_mconfig = sink->priv;
- /* Bind source to sink, mixin is always source */
- ret = skl_bind_modules(ctx, src_mconfig, sink_mconfig);
- if (ret)
- return ret;
- /* Start sinks pipe first */
- if (sink_mconfig->pipe->state != SKL_PIPE_STARTED) {
- ret = skl_run_pipe(ctx, sink_mconfig->pipe);
- if (ret)
- return ret;
- }
- path_list = kzalloc(
- sizeof(struct skl_dapm_path_list),
- GFP_KERNEL);
- if (path_list == NULL)
- return -ENOMEM;
- /* Add connected path to one global list */
- path_list->dapm_path = p;
- list_add_tail(&path_list->node, &skl->dapm_path_list);
- break;
- }
- }
- /* Start source pipe last after starting all sinks */
- ret = skl_run_pipe(ctx, src_mconfig->pipe);
- if (ret)
- return ret;
- return 0;
- }
- /*
- * in the Post-PMU event of mixer we need to do following:
- * - Check if this pipe is running
- * - if not, then
- * - bind this pipeline to its source pipeline
- * if source pipe is already running, this means it is a dynamic
- * connection and we need to bind only to that pipe
- * - start this pipeline
- */
- static int skl_tplg_mixer_dapm_post_pmu_event(struct snd_soc_dapm_widget *w,
- struct skl *skl)
- {
- int ret = 0;
- struct snd_soc_dapm_path *p;
- struct snd_soc_dapm_widget *source, *sink;
- struct skl_module_cfg *src_mconfig, *sink_mconfig;
- struct skl_sst *ctx = skl->skl_sst;
- int src_pipe_started = 0;
- sink = w;
- sink_mconfig = sink->priv;
- /*
- * If source pipe is already started, that means source is driving
- * one more sink before this sink got connected, Since source is
- * started, bind this sink to source and start this pipe.
- */
- snd_soc_dapm_widget_for_each_sink_path(w, p) {
- if (!p->connect)
- continue;
- dev_dbg(ctx->dev, "sink widget=%s\n", w->name);
- dev_dbg(ctx->dev, "src widget=%s\n", p->source->name);
- /*
- * here we will check widgets in sink pipelines, so that
- * can be any widgets type and we are only interested if
- * they are ones used for SKL so check that first
- */
- if ((p->source->priv != NULL) &&
- is_skl_dsp_widget_type(p->source)) {
- source = p->source;
- src_mconfig = source->priv;
- sink_mconfig = sink->priv;
- src_pipe_started = 1;
- /*
- * check pipe state, then no need to bind or start
- * the pipe
- */
- if (src_mconfig->pipe->state != SKL_PIPE_STARTED)
- src_pipe_started = 0;
- }
- }
- if (src_pipe_started) {
- ret = skl_bind_modules(ctx, src_mconfig, sink_mconfig);
- if (ret)
- return ret;
- ret = skl_run_pipe(ctx, sink_mconfig->pipe);
- }
- return ret;
- }
- /*
- * in the Pre-PMD event of mixer we need to do following:
- * - Stop the pipe
- * - find the source connections and remove that from dapm_path_list
- * - unbind with source pipelines if still connected
- */
- static int skl_tplg_mixer_dapm_pre_pmd_event(struct snd_soc_dapm_widget *w,
- struct skl *skl)
- {
- struct snd_soc_dapm_widget *source, *sink;
- struct skl_module_cfg *src_mconfig, *sink_mconfig;
- int ret = 0, path_found = 0;
- struct skl_dapm_path_list *path_list, *tmp_list;
- struct skl_sst *ctx = skl->skl_sst;
- sink = w;
- sink_mconfig = sink->priv;
- /* Stop the pipe */
- ret = skl_stop_pipe(ctx, sink_mconfig->pipe);
- if (ret)
- return ret;
- /*
- * This list, dapm_path_list handling here does not need any locks
- * as we are under dapm lock while handling widget events.
- * List can be manipulated safely only under dapm widgets handler
- * routines
- */
- list_for_each_entry_safe(path_list, tmp_list,
- &skl->dapm_path_list, node) {
- if (path_list->dapm_path->sink == sink) {
- dev_dbg(ctx->dev, "Path found = %s\n",
- path_list->dapm_path->name);
- source = path_list->dapm_path->source;
- src_mconfig = source->priv;
- path_found = 1;
- list_del(&path_list->node);
- kfree(path_list);
- break;
- }
- }
- /*
- * If path_found == 1, that means pmd for source pipe has
- * not occurred, source is connected to some other sink.
- * so its responsibility of sink to unbind itself from source.
- */
- if (path_found) {
- ret = skl_stop_pipe(ctx, src_mconfig->pipe);
- if (ret < 0)
- return ret;
- ret = skl_unbind_modules(ctx, src_mconfig, sink_mconfig);
- }
- return ret;
- }
- /*
- * in the Post-PMD event of mixer we need to do following:
- * - Free the mcps used
- * - Free the mem used
- * - Unbind the modules within the pipeline
- * - Delete the pipeline (modules are not required to be explicitly
- * deleted, pipeline delete is enough here
- */
- static int skl_tplg_mixer_dapm_post_pmd_event(struct snd_soc_dapm_widget *w,
- struct skl *skl)
- {
- struct skl_module_cfg *mconfig = w->priv;
- struct skl_pipe_module *w_module;
- struct skl_module_cfg *src_module = NULL, *dst_module;
- struct skl_sst *ctx = skl->skl_sst;
- struct skl_pipe *s_pipe = mconfig->pipe;
- int ret = 0;
- skl_tplg_free_pipe_mcps(skl, mconfig);
- list_for_each_entry(w_module, &s_pipe->w_list, node) {
- dst_module = w_module->w->priv;
- if (src_module == NULL) {
- src_module = dst_module;
- continue;
- }
- ret = skl_unbind_modules(ctx, src_module, dst_module);
- if (ret < 0)
- return ret;
- src_module = dst_module;
- }
- ret = skl_delete_pipe(ctx, mconfig->pipe);
- skl_tplg_free_pipe_mem(skl, mconfig);
- return ret;
- }
- /*
- * in the Post-PMD event of PGA we need to do following:
- * - Free the mcps used
- * - Stop the pipeline
- * - In source pipe is connected, unbind with source pipelines
- */
- static int skl_tplg_pga_dapm_post_pmd_event(struct snd_soc_dapm_widget *w,
- struct skl *skl)
- {
- struct snd_soc_dapm_widget *source, *sink;
- struct skl_module_cfg *src_mconfig, *sink_mconfig;
- int ret = 0, path_found = 0;
- struct skl_dapm_path_list *path_list, *tmp_path_list;
- struct skl_sst *ctx = skl->skl_sst;
- source = w;
- src_mconfig = source->priv;
- skl_tplg_free_pipe_mcps(skl, src_mconfig);
- /* Stop the pipe since this is a mixin module */
- ret = skl_stop_pipe(ctx, src_mconfig->pipe);
- if (ret)
- return ret;
- list_for_each_entry_safe(path_list, tmp_path_list, &skl->dapm_path_list, node) {
- if (path_list->dapm_path->source == source) {
- dev_dbg(ctx->dev, "Path found = %s\n",
- path_list->dapm_path->name);
- sink = path_list->dapm_path->sink;
- sink_mconfig = sink->priv;
- path_found = 1;
- list_del(&path_list->node);
- kfree(path_list);
- break;
- }
- }
- /*
- * This is a connector and if path is found that means
- * unbind between source and sink has not happened yet
- */
- if (path_found) {
- ret = skl_stop_pipe(ctx, src_mconfig->pipe);
- if (ret < 0)
- return ret;
- ret = skl_unbind_modules(ctx, src_mconfig, sink_mconfig);
- }
- return ret;
- }
- /*
- * In modelling, we assume there will be ONLY one mixer in a pipeline. If
- * mixer is not required then it is treated as static mixer aka vmixer with
- * a hard path to source module
- * So we don't need to check if source is started or not as hard path puts
- * dependency on each other
- */
- static int skl_tplg_vmixer_event(struct snd_soc_dapm_widget *w,
- struct snd_kcontrol *k, int event)
- {
- struct snd_soc_dapm_context *dapm = w->dapm;
- struct skl *skl = get_skl_ctx(dapm->dev);
- switch (event) {
- case SND_SOC_DAPM_PRE_PMU:
- return skl_tplg_mixer_dapm_pre_pmu_event(w, skl);
- case SND_SOC_DAPM_POST_PMD:
- return skl_tplg_mixer_dapm_post_pmd_event(w, skl);
- }
- return 0;
- }
- /*
- * In modelling, we assume there will be ONLY one mixer in a pipeline. If a
- * second one is required that is created as another pipe entity.
- * The mixer is responsible for pipe management and represent a pipeline
- * instance
- */
- static int skl_tplg_mixer_event(struct snd_soc_dapm_widget *w,
- struct snd_kcontrol *k, int event)
- {
- struct snd_soc_dapm_context *dapm = w->dapm;
- struct skl *skl = get_skl_ctx(dapm->dev);
- switch (event) {
- case SND_SOC_DAPM_PRE_PMU:
- return skl_tplg_mixer_dapm_pre_pmu_event(w, skl);
- case SND_SOC_DAPM_POST_PMU:
- return skl_tplg_mixer_dapm_post_pmu_event(w, skl);
- case SND_SOC_DAPM_PRE_PMD:
- return skl_tplg_mixer_dapm_pre_pmd_event(w, skl);
- case SND_SOC_DAPM_POST_PMD:
- return skl_tplg_mixer_dapm_post_pmd_event(w, skl);
- }
- return 0;
- }
- /*
- * In modelling, we assumed rest of the modules in pipeline are PGA. But we
- * are interested in last PGA (leaf PGA) in a pipeline to disconnect with
- * the sink when it is running (two FE to one BE or one FE to two BE)
- * scenarios
- */
- static int skl_tplg_pga_event(struct snd_soc_dapm_widget *w,
- struct snd_kcontrol *k, int event)
- {
- struct snd_soc_dapm_context *dapm = w->dapm;
- struct skl *skl = get_skl_ctx(dapm->dev);
- switch (event) {
- case SND_SOC_DAPM_PRE_PMU:
- return skl_tplg_pga_dapm_pre_pmu_event(w, skl);
- case SND_SOC_DAPM_POST_PMD:
- return skl_tplg_pga_dapm_post_pmd_event(w, skl);
- }
- return 0;
- }
- /*
- * The FE params are passed by hw_params of the DAI.
- * On hw_params, the params are stored in Gateway module of the FE and we
- * need to calculate the format in DSP module configuration, that
- * conversion is done here
- */
- int skl_tplg_update_pipe_params(struct device *dev,
- struct skl_module_cfg *mconfig,
- struct skl_pipe_params *params)
- {
- struct skl_pipe *pipe = mconfig->pipe;
- struct skl_module_fmt *format = NULL;
- memcpy(pipe->p_params, params, sizeof(*params));
- if (params->stream == SNDRV_PCM_STREAM_PLAYBACK)
- format = &mconfig->in_fmt;
- else
- format = &mconfig->out_fmt;
- /* set the hw_params */
- format->s_freq = params->s_freq;
- format->channels = params->ch;
- format->valid_bit_depth = skl_get_bit_depth(params->s_fmt);
- /*
- * 16 bit is 16 bit container whereas 24 bit is in 32 bit
- * container so update bit depth accordingly
- */
- switch (format->valid_bit_depth) {
- case SKL_DEPTH_16BIT:
- format->bit_depth = format->valid_bit_depth;
- break;
- case SKL_DEPTH_24BIT:
- format->bit_depth = SKL_DEPTH_32BIT;
- break;
- default:
- dev_err(dev, "Invalid bit depth %x for pipe\n",
- format->valid_bit_depth);
- return -EINVAL;
- }
- if (params->stream == SNDRV_PCM_STREAM_PLAYBACK) {
- mconfig->ibs = (format->s_freq / 1000) *
- (format->channels) *
- (format->bit_depth >> 3);
- } else {
- mconfig->obs = (format->s_freq / 1000) *
- (format->channels) *
- (format->bit_depth >> 3);
- }
- return 0;
- }
- /*
- * Query the module config for the FE DAI
- * This is used to find the hw_params set for that DAI and apply to FE
- * pipeline
- */
- struct skl_module_cfg *
- skl_tplg_fe_get_cpr_module(struct snd_soc_dai *dai, int stream)
- {
- struct snd_soc_dapm_widget *w;
- struct snd_soc_dapm_path *p = NULL;
- if (stream == SNDRV_PCM_STREAM_PLAYBACK) {
- w = dai->playback_widget;
- snd_soc_dapm_widget_for_each_sink_path(w, p) {
- if (p->connect && p->sink->power &&
- is_skl_dsp_widget_type(p->sink))
- continue;
- if (p->sink->priv) {
- dev_dbg(dai->dev, "set params for %s\n",
- p->sink->name);
- return p->sink->priv;
- }
- }
- } else {
- w = dai->capture_widget;
- snd_soc_dapm_widget_for_each_source_path(w, p) {
- if (p->connect && p->source->power &&
- is_skl_dsp_widget_type(p->source))
- continue;
- if (p->source->priv) {
- dev_dbg(dai->dev, "set params for %s\n",
- p->source->name);
- return p->source->priv;
- }
- }
- }
- return NULL;
- }
- static u8 skl_tplg_be_link_type(int dev_type)
- {
- int ret;
- switch (dev_type) {
- case SKL_DEVICE_BT:
- ret = NHLT_LINK_SSP;
- break;
- case SKL_DEVICE_DMIC:
- ret = NHLT_LINK_DMIC;
- break;
- case SKL_DEVICE_I2S:
- ret = NHLT_LINK_SSP;
- break;
- case SKL_DEVICE_HDALINK:
- ret = NHLT_LINK_HDA;
- break;
- default:
- ret = NHLT_LINK_INVALID;
- break;
- }
- return ret;
- }
- /*
- * Fill the BE gateway parameters
- * The BE gateway expects a blob of parameters which are kept in the ACPI
- * NHLT blob, so query the blob for interface type (i2s/pdm) and instance.
- * The port can have multiple settings so pick based on the PCM
- * parameters
- */
- static int skl_tplg_be_fill_pipe_params(struct snd_soc_dai *dai,
- struct skl_module_cfg *mconfig,
- struct skl_pipe_params *params)
- {
- struct skl_pipe *pipe = mconfig->pipe;
- struct nhlt_specific_cfg *cfg;
- struct skl *skl = get_skl_ctx(dai->dev);
- int link_type = skl_tplg_be_link_type(mconfig->dev_type);
- memcpy(pipe->p_params, params, sizeof(*params));
- /* update the blob based on virtual bus_id*/
- cfg = skl_get_ep_blob(skl, mconfig->vbus_id, link_type,
- params->s_fmt, params->ch,
- params->s_freq, params->stream);
- if (cfg) {
- mconfig->formats_config.caps_size = cfg->size;
- mconfig->formats_config.caps = (u32 *) &cfg->caps;
- } else {
- dev_err(dai->dev, "Blob NULL for id %x type %d dirn %d\n",
- mconfig->vbus_id, link_type,
- params->stream);
- dev_err(dai->dev, "PCM: ch %d, freq %d, fmt %d\n",
- params->ch, params->s_freq, params->s_fmt);
- return -EINVAL;
- }
- return 0;
- }
- static int skl_tplg_be_set_src_pipe_params(struct snd_soc_dai *dai,
- struct snd_soc_dapm_widget *w,
- struct skl_pipe_params *params)
- {
- struct snd_soc_dapm_path *p;
- int ret = -EIO;
- snd_soc_dapm_widget_for_each_source_path(w, p) {
- if (p->connect && is_skl_dsp_widget_type(p->source) &&
- p->source->priv) {
- if (!p->source->power) {
- ret = skl_tplg_be_fill_pipe_params(
- dai, p->source->priv,
- params);
- if (ret < 0)
- return ret;
- } else {
- return -EBUSY;
- }
- } else {
- ret = skl_tplg_be_set_src_pipe_params(
- dai, p->source, params);
- if (ret < 0)
- return ret;
- }
- }
- return ret;
- }
- static int skl_tplg_be_set_sink_pipe_params(struct snd_soc_dai *dai,
- struct snd_soc_dapm_widget *w, struct skl_pipe_params *params)
- {
- struct snd_soc_dapm_path *p = NULL;
- int ret = -EIO;
- snd_soc_dapm_widget_for_each_sink_path(w, p) {
- if (p->connect && is_skl_dsp_widget_type(p->sink) &&
- p->sink->priv) {
- if (!p->sink->power) {
- ret = skl_tplg_be_fill_pipe_params(
- dai, p->sink->priv, params);
- if (ret < 0)
- return ret;
- } else {
- return -EBUSY;
- }
- } else {
- ret = skl_tplg_be_set_sink_pipe_params(
- dai, p->sink, params);
- if (ret < 0)
- return ret;
- }
- }
- return ret;
- }
- /*
- * BE hw_params can be a source parameters (capture) or sink parameters
- * (playback). Based on sink and source we need to either find the source
- * list or the sink list and set the pipeline parameters
- */
- int skl_tplg_be_update_params(struct snd_soc_dai *dai,
- struct skl_pipe_params *params)
- {
- struct snd_soc_dapm_widget *w;
- if (params->stream == SNDRV_PCM_STREAM_PLAYBACK) {
- w = dai->playback_widget;
- return skl_tplg_be_set_src_pipe_params(dai, w, params);
- } else {
- w = dai->capture_widget;
- return skl_tplg_be_set_sink_pipe_params(dai, w, params);
- }
- return 0;
- }
- static const struct snd_soc_tplg_widget_events skl_tplg_widget_ops[] = {
- {SKL_MIXER_EVENT, skl_tplg_mixer_event},
- {SKL_VMIXER_EVENT, skl_tplg_vmixer_event},
- {SKL_PGA_EVENT, skl_tplg_pga_event},
- };
- /*
- * The topology binary passes the pin info for a module so initialize the pin
- * info passed into module instance
- */
- static void skl_fill_module_pin_info(struct skl_dfw_module_pin *dfw_pin,
- struct skl_module_pin *m_pin,
- bool is_dynamic, int max_pin)
- {
- int i;
- for (i = 0; i < max_pin; i++) {
- m_pin[i].id.module_id = dfw_pin[i].module_id;
- m_pin[i].id.instance_id = dfw_pin[i].instance_id;
- m_pin[i].in_use = false;
- m_pin[i].is_dynamic = is_dynamic;
- }
- }
- /*
- * Add pipeline from topology binary into driver pipeline list
- *
- * If already added we return that instance
- * Otherwise we create a new instance and add into driver list
- */
- static struct skl_pipe *skl_tplg_add_pipe(struct device *dev,
- struct skl *skl, struct skl_dfw_pipe *dfw_pipe)
- {
- struct skl_pipeline *ppl;
- struct skl_pipe *pipe;
- struct skl_pipe_params *params;
- list_for_each_entry(ppl, &skl->ppl_list, node) {
- if (ppl->pipe->ppl_id == dfw_pipe->pipe_id)
- return ppl->pipe;
- }
- ppl = devm_kzalloc(dev, sizeof(*ppl), GFP_KERNEL);
- if (!ppl)
- return NULL;
- pipe = devm_kzalloc(dev, sizeof(*pipe), GFP_KERNEL);
- if (!pipe)
- return NULL;
- params = devm_kzalloc(dev, sizeof(*params), GFP_KERNEL);
- if (!params)
- return NULL;
- pipe->ppl_id = dfw_pipe->pipe_id;
- pipe->memory_pages = dfw_pipe->memory_pages;
- pipe->pipe_priority = dfw_pipe->pipe_priority;
- pipe->conn_type = dfw_pipe->conn_type;
- pipe->state = SKL_PIPE_INVALID;
- pipe->p_params = params;
- INIT_LIST_HEAD(&pipe->w_list);
- ppl->pipe = pipe;
- list_add(&ppl->node, &skl->ppl_list);
- return ppl->pipe;
- }
- /*
- * Topology core widget load callback
- *
- * This is used to save the private data for each widget which gives
- * information to the driver about module and pipeline parameters which DSP
- * FW expects like ids, resource values, formats etc
- */
- static int skl_tplg_widget_load(struct snd_soc_component *cmpnt,
- struct snd_soc_dapm_widget *w,
- struct snd_soc_tplg_dapm_widget *tplg_w)
- {
- int ret;
- struct hdac_ext_bus *ebus = snd_soc_component_get_drvdata(cmpnt);
- struct skl *skl = ebus_to_skl(ebus);
- struct hdac_bus *bus = ebus_to_hbus(ebus);
- struct skl_module_cfg *mconfig;
- struct skl_pipe *pipe;
- struct skl_dfw_module *dfw_config =
- (struct skl_dfw_module *)tplg_w->priv.data;
- if (!tplg_w->priv.size)
- goto bind_event;
- mconfig = devm_kzalloc(bus->dev, sizeof(*mconfig), GFP_KERNEL);
- if (!mconfig)
- return -ENOMEM;
- w->priv = mconfig;
- mconfig->id.module_id = dfw_config->module_id;
- mconfig->id.instance_id = dfw_config->instance_id;
- mconfig->mcps = dfw_config->max_mcps;
- mconfig->ibs = dfw_config->ibs;
- mconfig->obs = dfw_config->obs;
- mconfig->core_id = dfw_config->core_id;
- mconfig->max_in_queue = dfw_config->max_in_queue;
- mconfig->max_out_queue = dfw_config->max_out_queue;
- mconfig->is_loadable = dfw_config->is_loadable;
- mconfig->in_fmt.channels = dfw_config->in_fmt.channels;
- mconfig->in_fmt.s_freq = dfw_config->in_fmt.freq;
- mconfig->in_fmt.bit_depth = dfw_config->in_fmt.bit_depth;
- mconfig->in_fmt.valid_bit_depth =
- dfw_config->in_fmt.valid_bit_depth;
- mconfig->in_fmt.ch_cfg = dfw_config->in_fmt.ch_cfg;
- mconfig->out_fmt.channels = dfw_config->out_fmt.channels;
- mconfig->out_fmt.s_freq = dfw_config->out_fmt.freq;
- mconfig->out_fmt.bit_depth = dfw_config->out_fmt.bit_depth;
- mconfig->out_fmt.valid_bit_depth =
- dfw_config->out_fmt.valid_bit_depth;
- mconfig->out_fmt.ch_cfg = dfw_config->out_fmt.ch_cfg;
- mconfig->params_fixup = dfw_config->params_fixup;
- mconfig->converter = dfw_config->converter;
- mconfig->m_type = dfw_config->module_type;
- mconfig->vbus_id = dfw_config->vbus_id;
- pipe = skl_tplg_add_pipe(bus->dev, skl, &dfw_config->pipe);
- if (pipe)
- mconfig->pipe = pipe;
- mconfig->dev_type = dfw_config->dev_type;
- mconfig->hw_conn_type = dfw_config->hw_conn_type;
- mconfig->time_slot = dfw_config->time_slot;
- mconfig->formats_config.caps_size = dfw_config->caps.caps_size;
- mconfig->m_in_pin = devm_kzalloc(bus->dev,
- (mconfig->max_in_queue) *
- sizeof(*mconfig->m_in_pin),
- GFP_KERNEL);
- if (!mconfig->m_in_pin)
- return -ENOMEM;
- mconfig->m_out_pin = devm_kzalloc(bus->dev, (mconfig->max_out_queue) *
- sizeof(*mconfig->m_out_pin),
- GFP_KERNEL);
- if (!mconfig->m_out_pin)
- return -ENOMEM;
- skl_fill_module_pin_info(dfw_config->in_pin, mconfig->m_in_pin,
- dfw_config->is_dynamic_in_pin,
- mconfig->max_in_queue);
- skl_fill_module_pin_info(dfw_config->out_pin, mconfig->m_out_pin,
- dfw_config->is_dynamic_out_pin,
- mconfig->max_out_queue);
- if (mconfig->formats_config.caps_size == 0)
- goto bind_event;
- mconfig->formats_config.caps = (u32 *)devm_kzalloc(bus->dev,
- mconfig->formats_config.caps_size, GFP_KERNEL);
- if (mconfig->formats_config.caps == NULL)
- return -ENOMEM;
- memcpy(mconfig->formats_config.caps, dfw_config->caps.caps,
- dfw_config->caps.caps_size);
- bind_event:
- if (tplg_w->event_type == 0) {
- dev_dbg(bus->dev, "ASoC: No event handler required\n");
- return 0;
- }
- ret = snd_soc_tplg_widget_bind_event(w, skl_tplg_widget_ops,
- ARRAY_SIZE(skl_tplg_widget_ops),
- tplg_w->event_type);
- if (ret) {
- dev_err(bus->dev, "%s: No matching event handlers found for %d\n",
- __func__, tplg_w->event_type);
- return -EINVAL;
- }
- return 0;
- }
- static struct snd_soc_tplg_ops skl_tplg_ops = {
- .widget_load = skl_tplg_widget_load,
- };
- /* This will be read from topology manifest, currently defined here */
- #define SKL_MAX_MCPS 30000000
- #define SKL_FW_MAX_MEM 1000000
- /*
- * SKL topology init routine
- */
- int skl_tplg_init(struct snd_soc_platform *platform, struct hdac_ext_bus *ebus)
- {
- int ret;
- const struct firmware *fw;
- struct hdac_bus *bus = ebus_to_hbus(ebus);
- struct skl *skl = ebus_to_skl(ebus);
- ret = request_firmware(&fw, "dfw_sst.bin", bus->dev);
- if (ret < 0) {
- dev_err(bus->dev, "tplg fw %s load failed with %d\n",
- "dfw_sst.bin", ret);
- return ret;
- }
- /*
- * The complete tplg for SKL is loaded as index 0, we don't use
- * any other index
- */
- ret = snd_soc_tplg_component_load(&platform->component,
- &skl_tplg_ops, fw, 0);
- if (ret < 0) {
- dev_err(bus->dev, "tplg component load failed%d\n", ret);
- return -EINVAL;
- }
- skl->resource.max_mcps = SKL_MAX_MCPS;
- skl->resource.max_mem = SKL_FW_MAX_MEM;
- skl->tplg = fw;
- return 0;
- }
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