Cave Audio support, via CrOS topology compatibility

galliumos/changelog

@@ -1,3 +1,8 @@
+linux-4.16.18-galliumos (4.16.18-galliumos5) bismuth; urgency=medium
+
+cherry pick ac9391daac00:
+ "ASoC: topology: Improve backwards compatibility with v4 topology files"
+
 linux-4.16.18-galliumos (4.16.18-galliumos4) bismuth; urgency=medium
 
   * Add config for Apollo Lake chipset and audio

sound/soc/intel/skylake/skl-topology.c

@@ -19,6 +19,7 @@
 #include <linux/slab.h>
 #include <linux/types.h>
 #include <linux/firmware.h>
+#include <linux/uuid.h>
 #include <sound/soc.h>
 #include <sound/soc-topology.h>
 #include <uapi/sound/snd_sst_tokens.h>
@@ -2639,6 +2640,167 @@ static int skl_tplg_get_desc_blocks(struct device *dev,
 	return -EINVAL;
 }
 
+/* Functions to parse private data from configuration file format v4 */
+
+/*
+ * 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 int skl_tplg_add_pipe_v4(struct device *dev,
+				struct skl_module_cfg *mconfig, struct skl *skl,
+				struct skl_dfw_v4_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) {
+			mconfig->pipe = ppl->pipe;
+			return 0;
+		}
+	}
+
+	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->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);
+
+	mconfig->pipe = pipe;
+
+	return 0;
+}
+
+static void skl_fill_module_pin_info_v4(struct skl_dfw_v4_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;
+		m_pin[i].pin_state = SKL_PIN_UNBIND;
+	}
+}
+
+static void skl_tplg_fill_fmt_v4(struct skl_module_pin_fmt *dst_fmt,
+				 struct skl_dfw_v4_module_fmt *src_fmt,
+				 int pins)
+{
+	int i;
+
+	for (i = 0; i < pins; i++) {
+		dst_fmt[i].fmt.channels  = src_fmt[i].channels;
+		dst_fmt[i].fmt.s_freq = src_fmt[i].freq;
+		dst_fmt[i].fmt.bit_depth = src_fmt[i].bit_depth;
+		dst_fmt[i].fmt.valid_bit_depth = src_fmt[i].valid_bit_depth;
+		dst_fmt[i].fmt.ch_cfg = src_fmt[i].ch_cfg;
+		dst_fmt[i].fmt.ch_map = src_fmt[i].ch_map;
+		dst_fmt[i].fmt.interleaving_style =
+						src_fmt[i].interleaving_style;
+		dst_fmt[i].fmt.sample_type = src_fmt[i].sample_type;
+	}
+}
+
+static int skl_tplg_get_pvt_data_v4(struct snd_soc_tplg_dapm_widget *tplg_w,
+				    struct skl *skl, struct device *dev,
+				    struct skl_module_cfg *mconfig)
+{
+	struct skl_dfw_v4_module *dfw =
+				(struct skl_dfw_v4_module *)tplg_w->priv.data;
+	int ret;
+
+	dev_dbg(dev, "Parsing Skylake v4 widget topology data\n");
+
+	ret = guid_parse(dfw->uuid, (guid_t *)mconfig->guid);
+	if (ret)
+		return ret;
+	mconfig->id.module_id = -1;
+	mconfig->id.instance_id = dfw->instance_id;
+	mconfig->module->resources[0].cps = dfw->max_mcps;
+	mconfig->module->resources[0].ibs = dfw->ibs;
+	mconfig->module->resources[0].obs = dfw->obs;
+	mconfig->core_id = dfw->core_id;
+	mconfig->module->max_input_pins = dfw->max_in_queue;
+	mconfig->module->max_output_pins = dfw->max_out_queue;
+	mconfig->module->loadable = dfw->is_loadable;
+	skl_tplg_fill_fmt_v4(mconfig->module->formats[0].inputs, dfw->in_fmt,
+			     MAX_IN_QUEUE);
+	skl_tplg_fill_fmt_v4(mconfig->module->formats[0].outputs, dfw->out_fmt,
+			     MAX_OUT_QUEUE);
+
+	mconfig->params_fixup = dfw->params_fixup;
+	mconfig->converter = dfw->converter;
+	mconfig->m_type = dfw->module_type;
+	mconfig->vbus_id = dfw->vbus_id;
+	mconfig->module->resources[0].is_pages = dfw->mem_pages;
+
+	ret = skl_tplg_add_pipe_v4(dev, mconfig, skl, &dfw->pipe);
+	if (ret)
+		return ret;
+
+	mconfig->dev_type = dfw->dev_type;
+	mconfig->hw_conn_type = dfw->hw_conn_type;
+	mconfig->time_slot = dfw->time_slot;
+	mconfig->formats_config.caps_size = dfw->caps.caps_size;
+
+	mconfig->m_in_pin = devm_kzalloc(dev,
+				MAX_IN_QUEUE * sizeof(*mconfig->m_in_pin),
+				GFP_KERNEL);
+	if (!mconfig->m_in_pin)
+		return -ENOMEM;
+
+	mconfig->m_out_pin = devm_kzalloc(dev,
+				MAX_OUT_QUEUE * sizeof(*mconfig->m_out_pin),
+				GFP_KERNEL);
+	if (!mconfig->m_out_pin)
+		return -ENOMEM;
+
+	skl_fill_module_pin_info_v4(dfw->in_pin, mconfig->m_in_pin,
+				    dfw->is_dynamic_in_pin,
+				    mconfig->module->max_input_pins);
+	skl_fill_module_pin_info_v4(dfw->out_pin, mconfig->m_out_pin,
+				    dfw->is_dynamic_out_pin,
+				    mconfig->module->max_output_pins);
+
+	if (mconfig->formats_config.caps_size) {
+		mconfig->formats_config.set_params = dfw->caps.set_params;
+		mconfig->formats_config.param_id = dfw->caps.param_id;
+		mconfig->formats_config.caps =
+		devm_kzalloc(dev, mconfig->formats_config.caps_size,
+			     GFP_KERNEL);
+		if (!mconfig->formats_config.caps)
+			return -ENOMEM;
+		memcpy(mconfig->formats_config.caps, dfw->caps.caps,
+		       dfw->caps.caps_size);
+	}
+
+	return 0;
+}
+
 /*
  * Parse the private data for the token and corresponding value.
  * The private data can have multiple data blocks. So, a data block
@@ -2654,6 +2816,13 @@ static int skl_tplg_get_pvt_data(struct snd_soc_tplg_dapm_widget *tplg_w,
 	char *data;
 	int ret;
 
+	/*
+	 * v4 configuration files have a valid UUID at the start of
+	 * the widget's private data.
+	 */
+	if (uuid_is_valid((char *)tplg_w->priv.data))
+		return skl_tplg_get_pvt_data_v4(tplg_w, skl, dev, mconfig);
+
 	/* 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);

sound/soc/intel/skylake/skl-tplg-interface.h

@@ -169,4 +169,78 @@ enum skl_tuple_type {
 	SKL_TYPE_DATA
 };
 
+/* v4 configuration data */
+
+struct skl_dfw_v4_module_pin {
+	u16 module_id;
+	u16 instance_id;
+} __packed;
+
+struct skl_dfw_v4_module_fmt {
+	u32 channels;
+	u32 freq;
+	u32 bit_depth;
+	u32 valid_bit_depth;
+	u32 ch_cfg;
+	u32 interleaving_style;
+	u32 sample_type;
+	u32 ch_map;
+} __packed;
+
+struct skl_dfw_v4_module_caps {
+	u32 set_params:2;
+	u32 rsvd:30;
+	u32 param_id;
+	u32 caps_size;
+	u32 caps[HDA_SST_CFG_MAX];
+} __packed;
+
+struct skl_dfw_v4_pipe {
+	u8 pipe_id;
+	u8 pipe_priority;
+	u16 conn_type:4;
+	u16 rsvd:4;
+	u16 memory_pages:8;
+} __packed;
+
+struct skl_dfw_v4_module {
+	char uuid[SKL_UUID_STR_SZ];
+
+	u16 module_id;
+	u16 instance_id;
+	u32 max_mcps;
+	u32 mem_pages;
+	u32 obs;
+	u32 ibs;
+	u32 vbus_id;
+
+	u32 max_in_queue:8;
+	u32 max_out_queue:8;
+	u32 time_slot:8;
+	u32 core_id:4;
+	u32 rsvd1:4;
+
+	u32 module_type:8;
+	u32 conn_type:4;
+	u32 dev_type:4;
+	u32 hw_conn_type:4;
+	u32 rsvd2:12;
+
+	u32 params_fixup:8;
+	u32 converter:8;
+	u32 input_pin_type:1;
+	u32 output_pin_type:1;
+	u32 is_dynamic_in_pin:1;
+	u32 is_dynamic_out_pin:1;
+	u32 is_loadable:1;
+	u32 rsvd3:11;
+
+	struct skl_dfw_v4_pipe pipe;
+	struct skl_dfw_v4_module_fmt in_fmt[MAX_IN_QUEUE];
+	struct skl_dfw_v4_module_fmt out_fmt[MAX_OUT_QUEUE];
+	struct skl_dfw_v4_module_pin in_pin[MAX_IN_QUEUE];
+	struct skl_dfw_v4_module_pin out_pin[MAX_OUT_QUEUE];
+	struct skl_dfw_v4_module_caps caps;
+} __packed;
+
 #endif

sound/soc/soc-topology.c

@@ -2284,8 +2284,11 @@ static int manifest_new_ver(struct soc_tplg *tplg,
 	*manifest = NULL;
 
 	if (src->size != sizeof(*src_v4)) {
-		dev_err(tplg->dev, "ASoC: invalid manifest size\n");
-		return -EINVAL;
+		dev_warn(tplg->dev, "ASoC: invalid manifest size %d\n",
+			 src->size);
+		if (src->size)
+			return -EINVAL;
+		src->size = sizeof(*src_v4);
 	}
 
 	dev_warn(tplg->dev, "ASoC: old version of manifest\n");