@@ -13,6 +13,73 @@
#include "path.h"
#include "topology.h"
+/* Must be called with adev->comp_list_mutex held. */
+static struct avs_tplg *
+avs_path_find_tplg(struct avs_dev *adev, const char *name)
+{
+ struct avs_soc_component *acomp;
+
+ list_for_each_entry(acomp, &adev->comp_list, node)
+ if (!strcmp(acomp->tplg->name, name))
+ return acomp->tplg;
+ return NULL;
+}
+
+static struct avs_path_module *
+avs_path_find_module(struct avs_path_pipeline *ppl, u32 template_id)
+{
+ struct avs_path_module *mod;
+
+ list_for_each_entry(mod, &ppl->mod_list, node)
+ if (mod->template->id == template_id)
+ return mod;
+ return NULL;
+}
+
+static struct avs_path_pipeline *
+avs_path_find_pipeline(struct avs_path *path, u32 template_id)
+{
+ struct avs_path_pipeline *ppl;
+
+ list_for_each_entry(ppl, &path->ppl_list, node)
+ if (ppl->template->id == template_id)
+ return ppl;
+ return NULL;
+}
+
+static struct avs_path *
+avs_path_find_path(struct avs_dev *adev, const char *name, u32 template_id)
+{
+ struct avs_tplg_path_template *pos, *template = NULL;
+ struct avs_tplg *tplg;
+ struct avs_path *path;
+
+ tplg = avs_path_find_tplg(adev, name);
+ if (!tplg)
+ return NULL;
+
+ list_for_each_entry(pos, &tplg->path_tmpl_list, node) {
+ if (pos->id == template_id) {
+ template = pos;
+ break;
+ }
+ }
+ if (!template)
+ return NULL;
+
+ spin_lock(&adev->path_list_lock);
+ /* Only one variant of given path template may be instantiated at a time. */
+ list_for_each_entry(path, &adev->path_list, node) {
+ if (path->template->owner == template) {
+ spin_unlock(&adev->path_list_lock);
+ return path;
+ }
+ }
+
+ spin_unlock(&adev->path_list_lock);
+ return NULL;
+}
+
static bool avs_test_hw_params(struct snd_pcm_hw_params *params,
struct avs_audio_format *fmt)
{
@@ -75,6 +142,58 @@ avs_path_module_create(struct avs_dev *adev,
return mod;
}
+static int avs_path_binding_arm(struct avs_dev *adev, struct avs_path_binding *binding)
+{
+ struct avs_path_module *this_mod, *target_mod;
+ struct avs_path_pipeline *target_ppl;
+ struct avs_path *target_path;
+ struct avs_tplg_binding *t;
+
+ t = binding->template;
+ this_mod = avs_path_find_module(binding->owner,
+ t->mod_id);
+ if (!this_mod) {
+ dev_err(adev->dev, "path mod %d not found\n", t->mod_id);
+ return -EINVAL;
+ }
+
+ /* update with target_tplg_name too */
+ target_path = avs_path_find_path(adev, t->target_tplg_name,
+ t->target_path_tmpl_id);
+ if (!target_path) {
+ dev_err(adev->dev, "target path %s:%d not found\n",
+ t->target_tplg_name, t->target_path_tmpl_id);
+ return -EINVAL;
+ }
+
+ target_ppl = avs_path_find_pipeline(target_path,
+ t->target_ppl_id);
+ if (!target_ppl) {
+ dev_err(adev->dev, "target ppl %d not found\n", t->target_ppl_id);
+ return -EINVAL;
+ }
+
+ target_mod = avs_path_find_module(target_ppl, t->target_mod_id);
+ if (!target_mod) {
+ dev_err(adev->dev, "target mod %d not found\n", t->target_mod_id);
+ return -EINVAL;
+ }
+
+ if (t->is_sink) {
+ binding->sink = this_mod;
+ binding->sink_pin = t->mod_pin;
+ binding->source = target_mod;
+ binding->source_pin = t->target_mod_pin;
+ } else {
+ binding->sink = target_mod;
+ binding->sink_pin = t->target_mod_pin;
+ binding->source = this_mod;
+ binding->source_pin = t->mod_pin;
+ }
+
+ return 0;
+}
+
static void avs_path_binding_free(struct avs_dev *adev, struct avs_path_binding *binding)
{
kfree(binding);
@@ -97,6 +216,38 @@ static struct avs_path_binding *avs_path_binding_create(struct avs_dev *adev,
return binding;
}
+static int avs_path_pipeline_arm(struct avs_dev *adev,
+ struct avs_path_pipeline *ppl)
+{
+ struct avs_path_module *mod;
+
+ list_for_each_entry(mod, &ppl->mod_list, node) {
+ struct avs_path_module *source, *sink;
+ int ret;
+
+ /*
+ * Only one module (so it's implicitly last) or it is the last
+ * one, either way we don't have next module to bind it to.
+ */
+ if (mod == list_last_entry(&ppl->mod_list,
+ struct avs_path_module, node))
+ break;
+
+ /* bind current module to next module on list */
+ source = mod;
+ sink = list_next_entry(mod, node);
+ if (!source || !sink)
+ return -EINVAL;
+
+ ret = avs_ipc_bind(adev, source->module_id, source->instance_id,
+ sink->module_id, sink->instance_id, 0, 0);
+ if (ret)
+ return AVS_IPC_RET(ret);
+ }
+
+ return 0;
+}
+
static void avs_path_pipeline_free(struct avs_dev *adev,
struct avs_path_pipeline *ppl)
{
@@ -212,6 +363,31 @@ static int avs_path_init(struct avs_dev *adev, struct avs_path *path,
return 0;
}
+static int avs_path_arm(struct avs_dev *adev, struct avs_path *path)
+{
+ struct avs_path_pipeline *ppl;
+ struct avs_path_binding *binding;
+ int ret;
+
+ list_for_each_entry(ppl, &path->ppl_list, node) {
+ /*
+ * Arm all ppl bindings before binding internal modules
+ * as it costs no IPCs which isn't true for the latter.
+ */
+ list_for_each_entry(binding, &ppl->binding_list, node) {
+ ret = avs_path_binding_arm(adev, binding);
+ if (ret < 0)
+ return ret;
+ }
+
+ ret = avs_path_pipeline_arm(adev, ppl);
+ if (ret < 0)
+ return ret;
+ }
+
+ return 0;
+}
+
static void avs_path_free_unlocked(struct avs_path *path)
{
struct avs_path_pipeline *ppl, *save;
@@ -240,6 +416,10 @@ static struct avs_path *avs_path_create_unlocked(struct avs_dev *adev, u32 dma_i
if (ret < 0)
goto err;
+ ret = avs_path_arm(adev, path);
+ if (ret < 0)
+ goto err;
+
path->state = AVS_PPL_STATE_INVALID;
return path;
err: