/* * skl-topology.c - Implements Platform component ALSA controls/widget * handlers. * * Copyright (C) 2014-2015 Intel Corp * Author: Jeeja KP * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ * * 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 #include #include #include #include #include #include "skl-sst-dsp.h" #include "skl-sst-ipc.h" #include "skl-topology.h" #include "skl.h" #include "skl-tplg-interface.h" #include "../common/sst-dsp.h" #include "../common/sst-dsp-priv.h" #define SKL_CH_FIXUP_MASK (1 << 0) #define SKL_RATE_FIXUP_MASK (1 << 1) #define SKL_FMT_FIXUP_MASK (1 << 2) #define SKL_IN_DIR_BIT_MASK BIT(0) #define SKL_PIN_COUNT_MASK GENMASK(7, 4) void skl_tplg_d0i3_get(struct skl *skl, enum d0i3_capability caps) { struct skl_d0i3_data *d0i3 = &skl->skl_sst->d0i3; switch (caps) { case SKL_D0I3_NONE: d0i3->non_d0i3++; break; case SKL_D0I3_STREAMING: d0i3->streaming++; break; case SKL_D0I3_NON_STREAMING: d0i3->non_streaming++; break; } } void skl_tplg_d0i3_put(struct skl *skl, enum d0i3_capability caps) { struct skl_d0i3_data *d0i3 = &skl->skl_sst->d0i3; switch (caps) { case SKL_D0I3_NONE: d0i3->non_d0i3--; break; case SKL_D0I3_STREAMING: d0i3->streaming--; break; case SKL_D0I3_NON_STREAMING: d0i3->non_streaming--; break; } } /* * 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. */ static bool skl_is_pipe_mem_avail(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; } else { return true; } } /* * Add the mem to the mem pool. This is freed when pipe is deleted. * Note: DSP does actual memory management we only keep track for complete * pool */ static void skl_tplg_alloc_pipe_mem(struct skl *skl, struct skl_module_cfg *mconfig) { skl->resource.mem += mconfig->pipe->memory_pages; } /* * 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. */ static bool skl_is_pipe_mcps_avail(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 mcps available %d > mem %d\n", skl->resource.max_mcps, skl->resource.mcps); return false; } else { return true; } } static void skl_tplg_alloc_pipe_mcps(struct skl *skl, struct skl_module_cfg *mconfig) { skl->resource.mcps += mconfig->mcps; } /* * 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[0].channels); dev_dbg(ctx->dev, "s_freq = %d\n", mcfg->in_fmt[0].s_freq); dev_dbg(ctx->dev, "ch_cfg = %d\n", mcfg->in_fmt[0].ch_cfg); dev_dbg(ctx->dev, "valid bit depth = %d\n", mcfg->in_fmt[0].valid_bit_depth); dev_dbg(ctx->dev, "Output Format:\n"); dev_dbg(ctx->dev, "channels = %d\n", mcfg->out_fmt[0].channels); dev_dbg(ctx->dev, "s_freq = %d\n", mcfg->out_fmt[0].s_freq); dev_dbg(ctx->dev, "valid bit depth = %d\n", mcfg->out_fmt[0].valid_bit_depth); dev_dbg(ctx->dev, "ch_cfg = %d\n", mcfg->out_fmt[0].ch_cfg); } static void skl_tplg_update_chmap(struct skl_module_fmt *fmt, int chs) { int slot_map = 0xFFFFFFFF; int start_slot = 0; int i; for (i = 0; i < chs; i++) { /* * For 2 channels with starting slot as 0, slot map will * look like 0xFFFFFF10. */ slot_map &= (~(0xF << (4 * i)) | (start_slot << (4 * i))); start_slot++; } fmt->ch_map = slot_map; } 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; skl_tplg_update_chmap(fmt, fmt->channels); } if (fixup & SKL_FMT_FIXUP_MASK) { fmt->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 (fmt->valid_bit_depth) { case SKL_DEPTH_16BIT: fmt->bit_depth = fmt->valid_bit_depth; break; default: fmt->bit_depth = SKL_DEPTH_32BIT; break; } } } /* * 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; /* Fixups will be applied to pin 0 only */ in_fmt = &m_cfg->in_fmt[0]; out_fmt = &m_cfg->out_fmt[0]; 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; struct skl_module_fmt *in_fmt, *out_fmt; /* Since fixups is applied to pin 0 only, ibs, obs needs * change for pin 0 only */ in_fmt = &mcfg->in_fmt[0]; out_fmt = &mcfg->out_fmt[0]; if (mcfg->m_type == SKL_MODULE_TYPE_SRCINT) multiplier = 5; mcfg->ibs = DIV_ROUND_UP(in_fmt->s_freq, 1000) * in_fmt->channels * (in_fmt->bit_depth >> 3) * multiplier; mcfg->obs = DIV_ROUND_UP(out_fmt->s_freq, 1000) * out_fmt->channels * (out_fmt->bit_depth >> 3) * multiplier; } static u8 skl_tplg_be_dev_type(int dev_type) { int ret; switch (dev_type) { case SKL_DEVICE_BT: ret = NHLT_DEVICE_BT; break; case SKL_DEVICE_DMIC: ret = NHLT_DEVICE_DMIC; break; case SKL_DEVICE_I2S: ret = NHLT_DEVICE_I2S; break; default: ret = NHLT_DEVICE_INVALID; break; } return ret; } static int skl_tplg_update_be_blob(struct snd_soc_dapm_widget *w, struct skl_sst *ctx) { struct skl_module_cfg *m_cfg = w->priv; int link_type, dir; u32 ch, s_freq, s_fmt; struct nhlt_specific_cfg *cfg; struct skl *skl = get_skl_ctx(ctx->dev); u8 dev_type = skl_tplg_be_dev_type(m_cfg->dev_type); /* check if we already have blob */ if (m_cfg->formats_config.caps_size > 0) return 0; dev_dbg(ctx->dev, "Applying default cfg blob\n"); switch (m_cfg->dev_type) { case SKL_DEVICE_DMIC: link_type = NHLT_LINK_DMIC; dir = SNDRV_PCM_STREAM_CAPTURE; s_freq = m_cfg->in_fmt[0].s_freq; s_fmt = m_cfg->in_fmt[0].bit_depth; ch = m_cfg->in_fmt[0].channels; break; case SKL_DEVICE_I2S: link_type = NHLT_LINK_SSP; if (m_cfg->hw_conn_type == SKL_CONN_SOURCE) { dir = SNDRV_PCM_STREAM_PLAYBACK; s_freq = m_cfg->out_fmt[0].s_freq; s_fmt = m_cfg->out_fmt[0].bit_depth; ch = m_cfg->out_fmt[0].channels; } else { dir = SNDRV_PCM_STREAM_CAPTURE; s_freq = m_cfg->in_fmt[0].s_freq; s_fmt = m_cfg->in_fmt[0].bit_depth; ch = m_cfg->in_fmt[0].channels; } break; default: return -EINVAL; } /* update the blob based on virtual bus_id and default params */ cfg = skl_get_ep_blob(skl, m_cfg->vbus_id, link_type, s_fmt, ch, s_freq, dir, dev_type); if (cfg) { m_cfg->formats_config.caps_size = cfg->size; m_cfg->formats_config.caps = (u32 *) &cfg->caps; } else { dev_err(ctx->dev, "Blob NULL for id %x type %d dirn %d\n", m_cfg->vbus_id, link_type, dir); dev_err(ctx->dev, "PCM: ch %d, freq %d, fmt %d\n", ch, s_freq, s_fmt); return -EIO; } return 0; } 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); } /* * some modules can have multiple params set from user control and * need to be set after module is initialized. If set_param flag is * set module params will be done after module is initialised. */ static int skl_tplg_set_module_params(struct snd_soc_dapm_widget *w, struct skl_sst *ctx) { int i, ret; struct skl_module_cfg *mconfig = w->priv; const struct snd_kcontrol_new *k; struct soc_bytes_ext *sb; struct skl_algo_data *bc; struct skl_specific_cfg *sp_cfg; if (mconfig->formats_config.caps_size > 0 && mconfig->formats_config.set_params == SKL_PARAM_SET) { sp_cfg = &mconfig->formats_config; ret = skl_set_module_params(ctx, sp_cfg->caps, sp_cfg->caps_size, sp_cfg->param_id, mconfig); if (ret < 0) return ret; } for (i = 0; i < w->num_kcontrols; i++) { k = &w->kcontrol_news[i]; if (k->access & SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK) { sb = (void *) k->private_value; bc = (struct skl_algo_data *)sb->dobj.private; if (bc->set_params == SKL_PARAM_SET) { ret = skl_set_module_params(ctx, (u32 *)bc->params, bc->size, bc->param_id, mconfig); if (ret < 0) return ret; } } } return 0; } /* * some module param can set from user control and this is required as * when module is initailzed. if module param is required in init it is * identifed by set_param flag. if set_param flag is not set, then this * parameter needs to set as part of module init. */ static int skl_tplg_set_module_init_data(struct snd_soc_dapm_widget *w) { const struct snd_kcontrol_new *k; struct soc_bytes_ext *sb; struct skl_algo_data *bc; struct skl_module_cfg *mconfig = w->priv; int i; for (i = 0; i < w->num_kcontrols; i++) { k = &w->kcontrol_news[i]; if (k->access & SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK) { sb = (struct soc_bytes_ext *)k->private_value; bc = (struct skl_algo_data *)sb->dobj.private; if (bc->set_params != SKL_PARAM_INIT) continue; mconfig->formats_config.caps = (u32 *)&bc->params; mconfig->formats_config.caps_size = bc->size; break; } } return 0; } static int skl_tplg_module_prepare(struct skl_sst *ctx, struct skl_pipe *pipe, struct snd_soc_dapm_widget *w, struct skl_module_cfg *mcfg) { switch (mcfg->dev_type) { case SKL_DEVICE_HDAHOST: return skl_pcm_host_dma_prepare(ctx->dev, pipe->p_params); case SKL_DEVICE_HDALINK: return skl_pcm_link_dma_prepare(ctx->dev, pipe->p_params); } 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 if module ids are populated */ if (mconfig->id.module_id < 0) { dev_err(skl->skl_sst->dev, "module %pUL id not populated\n", (uuid_le *)mconfig->guid); return -EIO; } /* check resource available */ if (!skl_is_pipe_mcps_avail(skl, mconfig)) return -ENOMEM; if (mconfig->is_loadable && ctx->dsp->fw_ops.load_mod) { ret = ctx->dsp->fw_ops.load_mod(ctx->dsp, mconfig->id.module_id, mconfig->guid); if (ret < 0) return ret; mconfig->m_state = SKL_MODULE_LOADED; } /* prepare the DMA if the module is gateway cpr */ ret = skl_tplg_module_prepare(ctx, pipe, w, mconfig); if (ret < 0) return ret; /* update blob if blob is null for be with default value */ skl_tplg_update_be_blob(w, ctx); /* * apply fix/conversion to module params based on * FE/BE params */ skl_tplg_update_module_params(w, ctx); mconfig->id.pvt_id = skl_get_pvt_id(ctx, mconfig); if (mconfig->id.pvt_id < 0) return ret; skl_tplg_set_module_init_data(w); ret = skl_init_module(ctx, mconfig); if (ret < 0) { skl_put_pvt_id(ctx, mconfig); return ret; } skl_tplg_alloc_pipe_mcps(skl, mconfig); ret = skl_tplg_set_module_params(w, ctx); if (ret < 0) return ret; } return 0; } static int skl_tplg_unload_pipe_modules(struct skl_sst *ctx, struct skl_pipe *pipe) { int ret; struct skl_pipe_module *w_module = NULL; struct skl_module_cfg *mconfig = NULL; list_for_each_entry(w_module, &pipe->w_list, node) { mconfig = w_module->w->priv; if (mconfig->is_loadable && ctx->dsp->fw_ops.unload_mod && mconfig->m_state > SKL_MODULE_UNINIT) { ret = ctx->dsp->fw_ops.unload_mod(ctx->dsp, mconfig->id.module_id); if (ret < 0) return -EIO; } skl_put_pvt_id(ctx, mconfig); } /* no modules to unload in this path, so return */ 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_is_pipe_mcps_avail(skl, mconfig)) return -EBUSY; if (!skl_is_pipe_mem_avail(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; skl_tplg_alloc_pipe_mem(skl, mconfig); skl_tplg_alloc_pipe_mcps(skl, mconfig); /* 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; } static int skl_fill_sink_instance_id(struct skl_sst *ctx, u32 *params, int size, struct skl_module_cfg *mcfg) { int i, pvt_id; if (mcfg->m_type == SKL_MODULE_TYPE_KPB) { struct skl_kpb_params *kpb_params = (struct skl_kpb_params *)params; struct skl_mod_inst_map *inst = kpb_params->map; for (i = 0; i < kpb_params->num_modules; i++) { pvt_id = skl_get_pvt_instance_id_map(ctx, inst->mod_id, inst->inst_id); if (pvt_id < 0) return -EINVAL; inst->inst_id = pvt_id; inst++; } } return 0; } /* * Some modules require params to be set after the module is bound to * all pins connected. * * The module provider initializes set_param flag for such modules and we * send params after binding */ static int skl_tplg_set_module_bind_params(struct snd_soc_dapm_widget *w, struct skl_module_cfg *mcfg, struct skl_sst *ctx) { int i, ret; struct skl_module_cfg *mconfig = w->priv; const struct snd_kcontrol_new *k; struct soc_bytes_ext *sb; struct skl_algo_data *bc; struct skl_specific_cfg *sp_cfg; u32 *params; /* * check all out/in pins are in bind state. * if so set the module param */ for (i = 0; i < mcfg->max_out_queue; i++) { if (mcfg->m_out_pin[i].pin_state != SKL_PIN_BIND_DONE) return 0; } for (i = 0; i < mcfg->max_in_queue; i++) { if (mcfg->m_in_pin[i].pin_state != SKL_PIN_BIND_DONE) return 0; } if (mconfig->formats_config.caps_size > 0 && mconfig->formats_config.set_params == SKL_PARAM_BIND) { sp_cfg = &mconfig->formats_config; ret = skl_set_module_params(ctx, sp_cfg->caps, sp_cfg->caps_size, sp_cfg->param_id, mconfig); if (ret < 0) return ret; } for (i = 0; i < w->num_kcontrols; i++) { k = &w->kcontrol_news[i]; if (k->access & SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK) { sb = (void *) k->private_value; bc = (struct skl_algo_data *)sb->dobj.private; if (bc->set_params == SKL_PARAM_BIND) { params = kzalloc(bc->max, GFP_KERNEL); if (!params) return -ENOMEM; memcpy(params, bc->params, bc->max); skl_fill_sink_instance_id(ctx, params, bc->max, mconfig); ret = skl_set_module_params(ctx, params, bc->max, bc->param_id, mconfig); kfree(params); if (ret < 0) return ret; } } } return 0; } static int skl_tplg_bind_sinks(struct snd_soc_dapm_widget *w, struct skl *skl, struct snd_soc_dapm_widget *src_w, struct skl_module_cfg *src_mconfig) { struct snd_soc_dapm_path *p; struct snd_soc_dapm_widget *sink = NULL, *next_sink = NULL; struct skl_module_cfg *sink_mconfig; struct skl_sst *ctx = skl->skl_sst; int ret; snd_soc_dapm_widget_for_each_sink_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); next_sink = p->sink; if (!is_skl_dsp_widget_type(p->sink)) return skl_tplg_bind_sinks(p->sink, skl, src_w, src_mconfig); /* * 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; sink_mconfig = sink->priv; if (src_mconfig->m_state == SKL_MODULE_UNINIT || sink_mconfig->m_state == SKL_MODULE_UNINIT) continue; /* Bind source to sink, mixin is always source */ ret = skl_bind_modules(ctx, src_mconfig, sink_mconfig); if (ret) return ret; /* set module params after bind */ skl_tplg_set_module_bind_params(src_w, src_mconfig, ctx); skl_tplg_set_module_bind_params(sink, sink_mconfig, ctx); /* Start sinks pipe first */ if (sink_mconfig->pipe->state != SKL_PIPE_STARTED) { if (sink_mconfig->pipe->conn_type != SKL_PIPE_CONN_TYPE_FE) ret = skl_run_pipe(ctx, sink_mconfig->pipe); if (ret) return ret; } } } if (!sink) return skl_tplg_bind_sinks(next_sink, skl, src_w, src_mconfig); 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 skl_module_cfg *src_mconfig; struct skl_sst *ctx = skl->skl_sst; int ret = 0; src_mconfig = w->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 */ ret = skl_tplg_bind_sinks(w, skl, w, src_mconfig); if (ret) return ret; /* Start source pipe last after starting all sinks */ if (src_mconfig->pipe->conn_type != SKL_PIPE_CONN_TYPE_FE) return skl_run_pipe(ctx, src_mconfig->pipe); return 0; } static struct snd_soc_dapm_widget *skl_get_src_dsp_widget( struct snd_soc_dapm_widget *w, struct skl *skl) { struct snd_soc_dapm_path *p; struct snd_soc_dapm_widget *src_w = NULL; struct skl_sst *ctx = skl->skl_sst; snd_soc_dapm_widget_for_each_source_path(w, p) { src_w = p->source; 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)) { return p->source; } } if (src_w != NULL) return skl_get_src_dsp_widget(src_w, skl); return NULL; } /* * 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_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. */ source = skl_get_src_dsp_widget(w, skl); if (source != NULL) { 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; /* set module params after bind */ skl_tplg_set_module_bind_params(source, src_mconfig, ctx); skl_tplg_set_module_bind_params(sink, sink_mconfig, ctx); if (sink_mconfig->pipe->conn_type != SKL_PIPE_CONN_TYPE_FE) 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 skl_module_cfg *src_mconfig, *sink_mconfig; int ret = 0, i; struct skl_sst *ctx = skl->skl_sst; sink_mconfig = w->priv; /* Stop the pipe */ ret = skl_stop_pipe(ctx, sink_mconfig->pipe); if (ret) return ret; for (i = 0; i < sink_mconfig->max_in_queue; i++) { if (sink_mconfig->m_in_pin[i].pin_state == SKL_PIN_BIND_DONE) { src_mconfig = sink_mconfig->m_in_pin[i].tgt_mcfg; if (!src_mconfig) continue; 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; if (s_pipe->state == SKL_PIPE_INVALID) return -EINVAL; skl_tplg_free_pipe_mcps(skl, mconfig); skl_tplg_free_pipe_mem(skl, mconfig); list_for_each_entry(w_module, &s_pipe->w_list, node) { dst_module = w_module->w->priv; if (mconfig->m_state >= SKL_MODULE_INIT_DONE) skl_tplg_free_pipe_mcps(skl, dst_module); if (src_module == NULL) { src_module = dst_module; continue; } skl_unbind_modules(ctx, src_module, dst_module); src_module = dst_module; } skl_delete_pipe(ctx, mconfig->pipe); return skl_tplg_unload_pipe_modules(ctx, s_pipe); } /* * 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 skl_module_cfg *src_mconfig, *sink_mconfig; int ret = 0, i; struct skl_sst *ctx = skl->skl_sst; src_mconfig = w->priv; /* Stop the pipe since this is a mixin module */ ret = skl_stop_pipe(ctx, src_mconfig->pipe); if (ret) return ret; for (i = 0; i < src_mconfig->max_out_queue; i++) { if (src_mconfig->m_out_pin[i].pin_state == SKL_PIN_BIND_DONE) { sink_mconfig = src_mconfig->m_out_pin[i].tgt_mcfg; if (!sink_mconfig) continue; /* * This is a connecter and if path is found that means * unbind between source and sink has not happened yet */ 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_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 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; } static int skl_tplg_tlv_control_get(struct snd_kcontrol *kcontrol, unsigned int __user *data, unsigned int size) { struct soc_bytes_ext *sb = (struct soc_bytes_ext *)kcontrol->private_value; struct skl_algo_data *bc = (struct skl_algo_data *)sb->dobj.private; struct snd_soc_dapm_widget *w = snd_soc_dapm_kcontrol_widget(kcontrol); struct skl_module_cfg *mconfig = w->priv; struct skl *skl = get_skl_ctx(w->dapm->dev); if (w->power) skl_get_module_params(skl->skl_sst, (u32 *)bc->params, bc->size, bc->param_id, mconfig); /* decrement size for TLV header */ size -= 2 * sizeof(u32); /* check size as we don't want to send kernel data */ if (size > bc->max) size = bc->max; if (bc->params) { if (copy_to_user(data, &bc->param_id, sizeof(u32))) return -EFAULT; if (copy_to_user(data + 1, &size, sizeof(u32))) return -EFAULT; if (copy_to_user(data + 2, bc->params, size)) return -EFAULT; } return 0; } #define SKL_PARAM_VENDOR_ID 0xff static int skl_tplg_tlv_control_set(struct snd_kcontrol *kcontrol, const unsigned int __user *data, unsigned int size) { struct snd_soc_dapm_widget *w = snd_soc_dapm_kcontrol_widget(kcontrol); struct skl_module_cfg *mconfig = w->priv; struct soc_bytes_ext *sb = (struct soc_bytes_ext *)kcontrol->private_value; struct skl_algo_data *ac = (struct skl_algo_data *)sb->dobj.private; struct skl *skl = get_skl_ctx(w->dapm->dev); if (ac->params) { if (size > ac->max) return -EINVAL; ac->size = size; /* * if the param_is is of type Vendor, firmware expects actual * parameter id and size from the control. */ if (ac->param_id == SKL_PARAM_VENDOR_ID) { if (copy_from_user(ac->params, data, size)) return -EFAULT; } else { if (copy_from_user(ac->params, data + 2, size)) return -EFAULT; } if (w->power) return skl_set_module_params(skl->skl_sst, (u32 *)ac->params, ac->size, ac->param_id, mconfig); } return 0; } /* * Fill the dma id for host and link. In case of passthrough * pipeline, this will both host and link in the same * pipeline, so need to copy the link and host based on dev_type */ static void skl_tplg_fill_dma_id(struct skl_module_cfg *mcfg, struct skl_pipe_params *params) { struct skl_pipe *pipe = mcfg->pipe; if (pipe->passthru) { switch (mcfg->dev_type) { case SKL_DEVICE_HDALINK: pipe->p_params->link_dma_id = params->link_dma_id; pipe->p_params->link_index = params->link_index; pipe->p_params->link_bps = params->link_bps; break; case SKL_DEVICE_HDAHOST: pipe->p_params->host_dma_id = params->host_dma_id; pipe->p_params->host_bps = params->host_bps; break; default: break; } pipe->p_params->s_fmt = params->s_fmt; pipe->p_params->ch = params->ch; pipe->p_params->s_freq = params->s_freq; pipe->p_params->stream = params->stream; pipe->p_params->format = params->format; } else { memcpy(pipe->p_params, params, sizeof(*params)); } } /* * 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_module_fmt *format = NULL; skl_tplg_fill_dma_id(mconfig, params); if (params->stream == SNDRV_PCM_STREAM_PLAYBACK) format = &mconfig->in_fmt[0]; else format = &mconfig->out_fmt[0]; /* 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: case SKL_DEPTH_32BIT: 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 struct skl_module_cfg *skl_get_mconfig_pb_cpr( struct snd_soc_dai *dai, struct snd_soc_dapm_widget *w) { struct snd_soc_dapm_path *p; struct skl_module_cfg *mconfig = NULL; snd_soc_dapm_widget_for_each_source_path(w, p) { if (w->endpoints[SND_SOC_DAPM_DIR_OUT] > 0) { if (p->connect && (p->sink->id == snd_soc_dapm_aif_out) && p->source->priv) { mconfig = p->source->priv; return mconfig; } mconfig = skl_get_mconfig_pb_cpr(dai, p->source); if (mconfig) return mconfig; } } return mconfig; } static struct skl_module_cfg *skl_get_mconfig_cap_cpr( struct snd_soc_dai *dai, struct snd_soc_dapm_widget *w) { struct snd_soc_dapm_path *p; struct skl_module_cfg *mconfig = NULL; snd_soc_dapm_widget_for_each_sink_path(w, p) { if (w->endpoints[SND_SOC_DAPM_DIR_IN] > 0) { if (p->connect && (p->source->id == snd_soc_dapm_aif_in) && p->sink->priv) { mconfig = p->sink->priv; return mconfig; } mconfig = skl_get_mconfig_cap_cpr(dai, p->sink); if (mconfig) return mconfig; } } return mconfig; } struct skl_module_cfg * skl_tplg_be_get_cpr_module(struct snd_soc_dai *dai, int stream) { struct snd_soc_dapm_widget *w; struct skl_module_cfg *mconfig; if (stream == SNDRV_PCM_STREAM_PLAYBACK) { w = dai->playback_widget; mconfig = skl_get_mconfig_pb_cpr(dai, w); } else { w = dai->capture_widget; mconfig = skl_get_mconfig_cap_cpr(dai, w); } return mconfig; } 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 nhlt_specific_cfg *cfg; struct skl *skl = get_skl_ctx(dai->dev); int link_type = skl_tplg_be_link_type(mconfig->dev_type); u8 dev_type = skl_tplg_be_dev_type(mconfig->dev_type); skl_tplg_fill_dma_id(mconfig, params); if (link_type == NHLT_LINK_HDA) return 0; /* 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, dev_type); 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) { ret = skl_tplg_be_fill_pipe_params(dai, p->source->priv, params); if (ret < 0) return ret; } 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) { ret = skl_tplg_be_fill_pipe_params(dai, p->sink->priv, params); if (ret < 0) return ret; } 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}, }; static const struct snd_soc_tplg_bytes_ext_ops skl_tlv_ops[] = { {SKL_CONTROL_TYPE_BYTE_TLV, skl_tplg_tlv_control_get, skl_tplg_tlv_control_set}, }; static int skl_tplg_fill_pipe_tkn(struct device *dev, struct skl_pipe *pipe, u32 tkn, u32 tkn_val) { switch (tkn) { case SKL_TKN_U32_PIPE_CONN_TYPE: pipe->conn_type = tkn_val; break; case SKL_TKN_U32_PIPE_PRIORITY: pipe->pipe_priority = tkn_val; break; case SKL_TKN_U32_PIPE_MEM_PGS: pipe->memory_pages = tkn_val; break; case SKL_TKN_U32_PMODE: pipe->lp_mode = tkn_val; break; default: dev_err(dev, "Token not handled %d\n", tkn); return -EINVAL; } return 0; } /* * Add pipeline by parsing the relevant tokens * Return an existing pipe if the pipe already exists. */ static int skl_tplg_add_pipe(struct device *dev, struct skl_module_cfg *mconfig, struct skl *skl, struct snd_soc_tplg_vendor_value_elem *tkn_elem) { 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 == tkn_elem->value) { mconfig->pipe = ppl->pipe; return EEXIST; } } ppl = devm_kzalloc(dev, sizeof(*ppl), GFP_KERNEL); if (!ppl) return -ENOMEM; pipe = devm_kzalloc(dev, sizeof(*pipe), GFP_KERNEL); if (!pipe) return -ENOMEM; params = devm_kzalloc(dev, sizeof(*params), GFP_KERNEL); if (!params) return -ENOMEM; pipe->p_params = params; pipe->ppl_id = tkn_elem->value; INIT_LIST_HEAD(&pipe->w_list); ppl->pipe = pipe; list_add(&ppl->node, &skl->ppl_list); mconfig->pipe = pipe; mconfig->pipe->state = SKL_PIPE_INVALID; return 0; } static int skl_tplg_fill_pin(struct device *dev, u32 tkn, struct skl_module_pin *m_pin, int pin_index, u32 value) { switch (tkn) { case SKL_TKN_U32_PIN_MOD_ID: m_pin[pin_index].id.module_id = value; break; case SKL_TKN_U32_PIN_INST_ID: m_pin[pin_index].id.instance_id = value; break; default: dev_err(dev, "%d Not a pin token\n", value); return -EINVAL; } return 0; } /* * Parse for pin config specific tokens to fill up the * module private data */ static int skl_tplg_fill_pins_info(struct device *dev, struct skl_module_cfg *mconfig, struct snd_soc_tplg_vendor_value_elem *tkn_elem, int dir, int pin_count) { int ret; struct skl_module_pin *m_pin; switch (dir) { case SKL_DIR_IN: m_pin = mconfig->m_in_pin; break; case SKL_DIR_OUT: m_pin = mconfig->m_out_pin; break; default: dev_err(dev, "Invalid direction value\n"); return -EINVAL; } ret = skl_tplg_fill_pin(dev, tkn_elem->token, m_pin, pin_count, tkn_elem->value); if (ret < 0) return ret; m_pin[pin_count].in_use = false; m_pin[pin_count].pin_state = SKL_PIN_UNBIND; return 0; } /* * Fill up input/output module config format based * on the direction */ static int skl_tplg_fill_fmt(struct device *dev, struct skl_module_cfg *mconfig, u32 tkn, u32 value, u32 dir, u32 pin_count) { struct skl_module_fmt *dst_fmt; switch (dir) { case SKL_DIR_IN: dst_fmt = mconfig->in_fmt; dst_fmt += pin_count; break; case SKL_DIR_OUT: dst_fmt = mconfig->out_fmt; dst_fmt += pin_count; break; default: dev_err(dev, "Invalid direction value\n"); return -EINVAL; } switch (tkn) { case SKL_TKN_U32_FMT_CH: dst_fmt->channels = value; break; case SKL_TKN_U32_FMT_FREQ: dst_fmt->s_freq = value; break; case SKL_TKN_U32_FMT_BIT_DEPTH: dst_fmt->bit_depth = value; break; case SKL_TKN_U32_FMT_SAMPLE_SIZE: dst_fmt->valid_bit_depth = value; break; case SKL_TKN_U32_FMT_CH_CONFIG: dst_fmt->ch_cfg = value; break; case SKL_TKN_U32_FMT_INTERLEAVE: dst_fmt->interleaving_style = value; break; case SKL_TKN_U32_FMT_SAMPLE_TYPE: dst_fmt->sample_type = value; break; case SKL_TKN_U32_FMT_CH_MAP: dst_fmt->ch_map = value; break; default: dev_err(dev, "Invalid token %d\n", tkn); return -EINVAL; } return 0; } static int skl_tplg_get_uuid(struct device *dev, struct skl_module_cfg *mconfig, struct snd_soc_tplg_vendor_uuid_elem *uuid_tkn) { if (uuid_tkn->token == SKL_TKN_UUID) memcpy(&mconfig->guid, &uuid_tkn->uuid, 16); else { dev_err(dev, "Not an UUID token tkn %d\n", uuid_tkn->token); return -EINVAL; } return 0; } static void skl_tplg_fill_pin_dynamic_val( struct skl_module_pin *mpin, u32 pin_count, u32 value) { int i; for (i = 0; i < pin_count; i++) mpin[i].is_dynamic = value; } /* * Parse tokens to fill up the module private data */ static int skl_tplg_get_token(struct device *dev, struct snd_soc_tplg_vendor_value_elem *tkn_elem, struct skl *skl, struct skl_module_cfg *mconfig) { int tkn_count = 0; int ret; static int is_pipe_exists; static int pin_index, dir; if (tkn_elem->token > SKL_TKN_MAX) return -EINVAL; switch (tkn_elem->token) { case SKL_TKN_U8_IN_QUEUE_COUNT: mconfig->max_in_queue = tkn_elem->value; mconfig->m_in_pin = devm_kzalloc(dev, mconfig->max_in_queue * sizeof(*mconfig->m_in_pin), GFP_KERNEL); if (!mconfig->m_in_pin) return -ENOMEM; break; case SKL_TKN_U8_OUT_QUEUE_COUNT: mconfig->max_out_queue = tkn_elem->value; mconfig->m_out_pin = devm_kzalloc(dev, mconfig->max_out_queue * sizeof(*mconfig->m_out_pin), GFP_KERNEL); if (!mconfig->m_out_pin) return -ENOMEM; break; case SKL_TKN_U8_DYN_IN_PIN: if (!mconfig->m_in_pin) return -ENOMEM; skl_tplg_fill_pin_dynamic_val(mconfig->m_in_pin, mconfig->max_in_queue, tkn_elem->value); break; case SKL_TKN_U8_DYN_OUT_PIN: if (!mconfig->m_out_pin) return -ENOMEM; skl_tplg_fill_pin_dynamic_val(mconfig->m_out_pin, mconfig->max_out_queue, tkn_elem->value); break; case SKL_TKN_U8_TIME_SLOT: mconfig->time_slot = tkn_elem->value; break; case SKL_TKN_U8_CORE_ID: mconfig->core_id = tkn_elem->value; case SKL_TKN_U8_MOD_TYPE: mconfig->m_type = tkn_elem->value; break; case SKL_TKN_U8_DEV_TYPE: mconfig->dev_type = tkn_elem->value; break; case SKL_TKN_U8_HW_CONN_TYPE: mconfig->hw_conn_type = tkn_elem->value; break; case SKL_TKN_U16_MOD_INST_ID: mconfig->id.instance_id = tkn_elem->value; break; case SKL_TKN_U32_MEM_PAGES: mconfig->mem_pages = tkn_elem->value; break; case SKL_TKN_U32_MAX_MCPS: mconfig->mcps = tkn_elem->value; break; case SKL_TKN_U32_OBS: mconfig->obs = tkn_elem->value; break; case SKL_TKN_U32_IBS: mconfig->ibs = tkn_elem->value; break; case SKL_TKN_U32_VBUS_ID: mconfig->vbus_id = tkn_elem->value; break; case SKL_TKN_U32_PARAMS_FIXUP: mconfig->params_fixup = tkn_elem->value; break; case SKL_TKN_U32_CONVERTER: mconfig->converter = tkn_elem->value; break; case SKL_TKL_U32_D0I3_CAPS: mconfig->d0i3_caps = tkn_elem->value; break; case SKL_TKN_U32_PIPE_ID: ret = skl_tplg_add_pipe(dev, mconfig, skl, tkn_elem); if (ret < 0) return is_pipe_exists; if (ret == EEXIST) is_pipe_exists = 1; break; case SKL_TKN_U32_PIPE_CONN_TYPE: case SKL_TKN_U32_PIPE_PRIORITY: case SKL_TKN_U32_PIPE_MEM_PGS: case SKL_TKN_U32_PMODE: if (is_pipe_exists) { ret = skl_tplg_fill_pipe_tkn(dev, mconfig->pipe, tkn_elem->token, tkn_elem->value); if (ret < 0) return ret; } break; /* * SKL_TKN_U32_DIR_PIN_COUNT token has the value for both * direction and the pin count. The first four bits represent * direction and next four the pin count. */ case SKL_TKN_U32_DIR_PIN_COUNT: dir = tkn_elem->value & SKL_IN_DIR_BIT_MASK; pin_index = (tkn_elem->value & SKL_PIN_COUNT_MASK) >> 4; break; case SKL_TKN_U32_FMT_CH: case SKL_TKN_U32_FMT_FREQ: case SKL_TKN_U32_FMT_BIT_DEPTH: case SKL_TKN_U32_FMT_SAMPLE_SIZE: case SKL_TKN_U32_FMT_CH_CONFIG: case SKL_TKN_U32_FMT_INTERLEAVE: case SKL_TKN_U32_FMT_SAMPLE_TYPE: case SKL_TKN_U32_FMT_CH_MAP: ret = skl_tplg_fill_fmt(dev, mconfig, tkn_elem->token, tkn_elem->value, dir, pin_index); if (ret < 0) return ret; break; case SKL_TKN_U32_PIN_MOD_ID: case SKL_TKN_U32_PIN_INST_ID: ret = skl_tplg_fill_pins_info(dev, mconfig, tkn_elem, dir, pin_index); if (ret < 0) return ret; break; case SKL_TKN_U32_CAPS_SIZE: mconfig->formats_config.caps_size = tkn_elem->value; break; case SKL_TKN_U32_PROC_DOMAIN: mconfig->domain = tkn_elem->value; break; case SKL_TKN_U8_IN_PIN_TYPE: case SKL_TKN_U8_OUT_PIN_TYPE: case SKL_TKN_U8_CONN_TYPE: break; default: dev_err(dev, "Token %d not handled\n", tkn_elem->token); return -EINVAL; } tkn_count++; return tkn_count; } /* * Parse the vendor array for specific tokens to construct * module private data */ static int skl_tplg_get_tokens(struct device *dev, char *pvt_data, struct skl *skl, struct skl_module_cfg *mconfig, int block_size) { struct snd_soc_tplg_vendor_array *array; struct snd_soc_tplg_vendor_value_elem *tkn_elem; int tkn_count = 0, ret; int off = 0, tuple_size = 0; if (block_size <= 0) return -EINVAL; while (tuple_size < block_size) { array = (struct snd_soc_tplg_vendor_array *)(pvt_data + off); off += array->size; switch (array->type) { case SND_SOC_TPLG_TUPLE_TYPE_STRING: dev_warn(dev, "no string tokens expected for skl tplg\n"); continue; case SND_SOC_TPLG_TUPLE_TYPE_UUID: ret = skl_tplg_get_uuid(dev, mconfig, array->uuid); if (ret < 0) return ret; tuple_size += sizeof(*array->uuid); continue; default: tkn_elem = array->value; tkn_count = 0; break; } while (tkn_count <= (array->num_elems - 1)) { ret = skl_tplg_get_token(dev, tkn_elem, skl, mconfig); if (ret < 0) return ret; tkn_count = tkn_count + ret; tkn_elem++; } tuple_size += tkn_count * sizeof(*tkn_elem); } return 0; } /* * Every data block is preceded by a descriptor to read the number * of data blocks, they type of the block and it's size */ static int skl_tplg_get_desc_blocks(struct device *dev, struct snd_soc_tplg_vendor_array *array) { struct snd_soc_tplg_vendor_value_elem *tkn_elem; tkn_elem = array->value; switch (tkn_elem->token) { case SKL_TKN_U8_NUM_BLOCKS: case SKL_TKN_U8_BLOCK_TYPE: case SKL_TKN_U16_BLOCK_SIZE: return tkn_elem->value; default: dev_err(dev, "Invalid descriptor token %d\n", tkn_elem->token); break; } return -EINVAL; } /* * Parse the private data for the token and corresponding value. * The private data can have multiple data blocks. So, a data block * is preceded by a descriptor for number of blocks and a descriptor * for the type and size of the suceeding data block. */ static int skl_tplg_get_pvt_data(struct snd_soc_tplg_dapm_widget *tplg_w, struct skl *skl, struct device *dev, struct skl_module_cfg *mconfig) { struct snd_soc_tplg_vendor_array *array; int num_blocks, block_size = 0, block_type, off = 0; char *data; int ret; /* Read the NUM_DATA_BLOCKS descriptor */ array = (struct snd_soc_tplg_vendor_array *)tplg_w->priv.data; ret = skl_tplg_get_desc_blocks(dev, array); if (ret < 0) return ret; num_blocks = ret; off += array->size; array = (struct snd_soc_tplg_vendor_array *)(tplg_w->priv.data + off); /* Read the BLOCK_TYPE and BLOCK_SIZE descriptor */ while (num_blocks > 0) { ret = skl_tplg_get_desc_blocks(dev, array); if (ret < 0) return ret; block_type = ret; off += array->size; array = (struct snd_soc_tplg_vendor_array *) (tplg_w->priv.data + off); ret = skl_tplg_get_desc_blocks(dev, array); if (ret < 0) return ret; block_size = ret; off += array->size; array = (struct snd_soc_tplg_vendor_array *) (tplg_w->priv.data + off); data = (tplg_w->priv.data + off); if (block_type == SKL_TYPE_TUPLE) { ret = skl_tplg_get_tokens(dev, data, skl, mconfig, block_size); if (ret < 0) return ret; --num_blocks; } else { if (mconfig->formats_config.caps_size > 0) memcpy(mconfig->formats_config.caps, data, mconfig->formats_config.caps_size); --num_blocks; } } return 0; } static void skl_clear_pin_config(struct snd_soc_platform *platform, struct snd_soc_dapm_widget *w) { int i; struct skl_module_cfg *mconfig; struct skl_pipe *pipe; if (!strncmp(w->dapm->component->name, platform->component.name, strlen(platform->component.name))) { mconfig = w->priv; pipe = mconfig->pipe; for (i = 0; i < mconfig->max_in_queue; i++) { mconfig->m_in_pin[i].in_use = false; mconfig->m_in_pin[i].pin_state = SKL_PIN_UNBIND; } for (i = 0; i < mconfig->max_out_queue; i++) { mconfig->m_out_pin[i].in_use = false; mconfig->m_out_pin[i].pin_state = SKL_PIN_UNBIND; } pipe->state = SKL_PIPE_INVALID; mconfig->m_state = SKL_MODULE_UNINIT; } } void skl_cleanup_resources(struct skl *skl) { struct skl_sst *ctx = skl->skl_sst; struct snd_soc_platform *soc_platform = skl->platform; struct snd_soc_dapm_widget *w; struct snd_soc_card *card; if (soc_platform == NULL) return; card = soc_platform->component.card; if (!card || !card->instantiated) return; skl->resource.mem = 0; skl->resource.mcps = 0; list_for_each_entry(w, &card->widgets, list) { if (is_skl_dsp_widget_type(w) && (w->priv != NULL)) skl_clear_pin_config(soc_platform, w); } skl_clear_module_cnt(ctx->dsp); } /* * 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; if (!tplg_w->priv.size) goto bind_event; mconfig = devm_kzalloc(bus->dev, sizeof(*mconfig), GFP_KERNEL); if (!mconfig) return -ENOMEM; w->priv = mconfig; /* * module binary can be loaded later, so set it to query when * module is load for a use case */ mconfig->id.module_id = -1; /* Parse private data for tuples */ ret = skl_tplg_get_pvt_data(tplg_w, skl, bus->dev, mconfig); if (ret < 0) return ret; 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 int skl_init_algo_data(struct device *dev, struct soc_bytes_ext *be, struct snd_soc_tplg_bytes_control *bc) { struct skl_algo_data *ac; struct skl_dfw_algo_data *dfw_ac = (struct skl_dfw_algo_data *)bc->priv.data; ac = devm_kzalloc(dev, sizeof(*ac), GFP_KERNEL); if (!ac) return -ENOMEM; /* Fill private data */ ac->max = dfw_ac->max; ac->param_id = dfw_ac->param_id; ac->set_params = dfw_ac->set_params; ac->size = dfw_ac->max; if (ac->max) { ac->params = (char *) devm_kzalloc(dev, ac->max, GFP_KERNEL); if (!ac->params) return -ENOMEM; memcpy(ac->params, dfw_ac->params, ac->max); } be->dobj.private = ac; return 0; } static int skl_tplg_control_load(struct snd_soc_component *cmpnt, struct snd_kcontrol_new *kctl, struct snd_soc_tplg_ctl_hdr *hdr) { struct soc_bytes_ext *sb; struct snd_soc_tplg_bytes_control *tplg_bc; struct hdac_ext_bus *ebus = snd_soc_component_get_drvdata(cmpnt); struct hdac_bus *bus = ebus_to_hbus(ebus); switch (hdr->ops.info) { case SND_SOC_TPLG_CTL_BYTES: tplg_bc = container_of(hdr, struct snd_soc_tplg_bytes_control, hdr); if (kctl->access & SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK) { sb = (struct soc_bytes_ext *)kctl->private_value; if (tplg_bc->priv.size) return skl_init_algo_data( bus->dev, sb, tplg_bc); } break; default: dev_warn(bus->dev, "Control load not supported %d:%d:%d\n", hdr->ops.get, hdr->ops.put, hdr->ops.info); break; } return 0; } static int skl_tplg_fill_str_mfest_tkn(struct device *dev, struct snd_soc_tplg_vendor_string_elem *str_elem, struct skl *skl) { int tkn_count = 0; static int ref_count; switch (str_elem->token) { case SKL_TKN_STR_LIB_NAME: if (ref_count > skl->skl_sst->lib_count - 1) { ref_count = 0; return -EINVAL; } strncpy(skl->skl_sst->lib_info[ref_count].name, str_elem->string, ARRAY_SIZE(skl->skl_sst->lib_info[ref_count].name)); ref_count++; tkn_count++; break; default: dev_err(dev, "Not a string token %d\n", str_elem->token); break; } return tkn_count; } static int skl_tplg_get_str_tkn(struct device *dev, struct snd_soc_tplg_vendor_array *array, struct skl *skl) { int tkn_count = 0, ret; struct snd_soc_tplg_vendor_string_elem *str_elem; str_elem = (struct snd_soc_tplg_vendor_string_elem *)array->value; while (tkn_count < array->num_elems) { ret = skl_tplg_fill_str_mfest_tkn(dev, str_elem, skl); str_elem++; if (ret < 0) return ret; tkn_count = tkn_count + ret; } return tkn_count; } static int skl_tplg_get_int_tkn(struct device *dev, struct snd_soc_tplg_vendor_value_elem *tkn_elem, struct skl *skl) { int tkn_count = 0; switch (tkn_elem->token) { case SKL_TKN_U32_LIB_COUNT: skl->skl_sst->lib_count = tkn_elem->value; tkn_count++; break; default: dev_err(dev, "Not a manifest token %d\n", tkn_elem->token); return -EINVAL; } return tkn_count; } /* * Fill the manifest structure by parsing the tokens based on the * type. */ static int skl_tplg_get_manifest_tkn(struct device *dev, char *pvt_data, struct skl *skl, int block_size) { int tkn_count = 0, ret; int off = 0, tuple_size = 0; struct snd_soc_tplg_vendor_array *array; struct snd_soc_tplg_vendor_value_elem *tkn_elem; if (block_size <= 0) return -EINVAL; while (tuple_size < block_size) { array = (struct snd_soc_tplg_vendor_array *)(pvt_data + off); off += array->size; switch (array->type) { case SND_SOC_TPLG_TUPLE_TYPE_STRING: ret = skl_tplg_get_str_tkn(dev, array, skl); if (ret < 0) return ret; tkn_count += ret; tuple_size += tkn_count * sizeof(struct snd_soc_tplg_vendor_string_elem); continue; case SND_SOC_TPLG_TUPLE_TYPE_UUID: dev_warn(dev, "no uuid tokens for skl tplf manifest\n"); continue; default: tkn_elem = array->value; tkn_count = 0; break; } while (tkn_count <= array->num_elems - 1) { ret = skl_tplg_get_int_tkn(dev, tkn_elem, skl); if (ret < 0) return ret; tkn_count = tkn_count + ret; tkn_elem++; tuple_size += tkn_count * sizeof(struct snd_soc_tplg_vendor_value_elem); break; } tkn_count = 0; } return 0; } /* * Parse manifest private data for tokens. The private data block is * preceded by descriptors for type and size of data block. */ static int skl_tplg_get_manifest_data(struct snd_soc_tplg_manifest *manifest, struct device *dev, struct skl *skl) { struct snd_soc_tplg_vendor_array *array; int num_blocks, block_size = 0, block_type, off = 0; char *data; int ret; /* Read the NUM_DATA_BLOCKS descriptor */ array = (struct snd_soc_tplg_vendor_array *)manifest->priv.data; ret = skl_tplg_get_desc_blocks(dev, array); if (ret < 0) return ret; num_blocks = ret; off += array->size; array = (struct snd_soc_tplg_vendor_array *) (manifest->priv.data + off); /* Read the BLOCK_TYPE and BLOCK_SIZE descriptor */ while (num_blocks > 0) { ret = skl_tplg_get_desc_blocks(dev, array); if (ret < 0) return ret; block_type = ret; off += array->size; array = (struct snd_soc_tplg_vendor_array *) (manifest->priv.data + off); ret = skl_tplg_get_desc_blocks(dev, array); if (ret < 0) return ret; block_size = ret; off += array->size; array = (struct snd_soc_tplg_vendor_array *) (manifest->priv.data + off); data = (manifest->priv.data + off); if (block_type == SKL_TYPE_TUPLE) { ret = skl_tplg_get_manifest_tkn(dev, data, skl, block_size); if (ret < 0) return ret; --num_blocks; } else { return -EINVAL; } } return 0; } static int skl_manifest_load(struct snd_soc_component *cmpnt, struct snd_soc_tplg_manifest *manifest) { struct hdac_ext_bus *ebus = snd_soc_component_get_drvdata(cmpnt); struct hdac_bus *bus = ebus_to_hbus(ebus); struct skl *skl = ebus_to_skl(ebus); /* proceed only if we have private data defined */ if (manifest->priv.size == 0) return 0; skl_tplg_get_manifest_data(manifest, bus->dev, skl); if (skl->skl_sst->lib_count > SKL_MAX_LIB) { dev_err(bus->dev, "Exceeding max Library count. Got:%d\n", skl->skl_sst->lib_count); return -EINVAL; } return 0; } static struct snd_soc_tplg_ops skl_tplg_ops = { .widget_load = skl_tplg_widget_load, .control_load = skl_tplg_control_load, .bytes_ext_ops = skl_tlv_ops, .bytes_ext_ops_count = ARRAY_SIZE(skl_tlv_ops), .manifest = skl_manifest_load, }; /* * 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_create_pipe_widget_list() * helps to get the SKL type widgets in that pipeline */ static int skl_tplg_create_pipe_widget_list(struct snd_soc_platform *platform) { struct snd_soc_dapm_widget *w; struct skl_module_cfg *mcfg = NULL; struct skl_pipe_module *p_module = NULL; struct skl_pipe *pipe; list_for_each_entry(w, &platform->component.card->widgets, list) { if (is_skl_dsp_widget_type(w) && w->priv != NULL) { mcfg = w->priv; pipe = mcfg->pipe; p_module = devm_kzalloc(platform->dev, sizeof(*p_module), GFP_KERNEL); if (!p_module) return -ENOMEM; p_module->w = w; list_add_tail(&p_module->node, &pipe->w_list); } } return 0; } static void skl_tplg_set_pipe_type(struct skl *skl, struct skl_pipe *pipe) { struct skl_pipe_module *w_module; struct snd_soc_dapm_widget *w; struct skl_module_cfg *mconfig; bool host_found = false, link_found = false; list_for_each_entry(w_module, &pipe->w_list, node) { w = w_module->w; mconfig = w->priv; if (mconfig->dev_type == SKL_DEVICE_HDAHOST) host_found = true; else if (mconfig->dev_type != SKL_DEVICE_NONE) link_found = true; } if (host_found && link_found) pipe->passthru = true; else pipe->passthru = false; } /* 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); struct skl_pipeline *ppl; ret = request_firmware(&fw, skl->tplg_name, bus->dev); if (ret < 0) { dev_err(bus->dev, "tplg fw %s load failed with %d\n", skl->tplg_name, ret); ret = request_firmware(&fw, "dfw_sst.bin", bus->dev); if (ret < 0) { dev_err(bus->dev, "Fallback 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); release_firmware(fw); return -EINVAL; } skl->resource.max_mcps = SKL_MAX_MCPS; skl->resource.max_mem = SKL_FW_MAX_MEM; skl->tplg = fw; ret = skl_tplg_create_pipe_widget_list(platform); if (ret < 0) return ret; list_for_each_entry(ppl, &skl->ppl_list, node) skl_tplg_set_pipe_type(skl, ppl->pipe); return 0; }