diff options
Diffstat (limited to 'kernel/sound/soc/intel/skylake/skl-topology.c')
| -rw-r--r-- | kernel/sound/soc/intel/skylake/skl-topology.c | 1254 |
1 files changed, 1254 insertions, 0 deletions
diff --git a/kernel/sound/soc/intel/skylake/skl-topology.c b/kernel/sound/soc/intel/skylake/skl-topology.c new file mode 100644 index 000000000..ad4d0f826 --- /dev/null +++ b/kernel/sound/soc/intel/skylake/skl-topology.c @@ -0,0 +1,1254 @@ +/* + * 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; +} |