ASoC: qdsp6: audioreach: add module configuration command helpers

Audioreach module configuration helpers, which will be used by
the q6apm-dai driver.
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Link: https://lore.kernel.org/r/20211026111655.1702-12-srinivas.kandagatla@linaro.orgSigned-off-by: Mark Brown <broonie@kernel.org>

sound/soc/qcom/qdsp6/audioreach.h

@@ -568,6 +568,15 @@ struct param_id_hw_ep_dma_data_align {
 	uint32_t dma_data_align;
 } __packed;
 
+#define PARAM_ID_VOL_CTRL_MASTER_GAIN	0x08001035
+#define VOL_CTRL_DEFAULT_GAIN		0x2000
+
+struct param_id_vol_ctrl_master_gain {
+	uint16_t master_gain;
+	uint16_t reserved;
+} __packed;
+
+
 /* Graph */
 struct audioreach_connection {
 	/* Connections */
@@ -684,6 +693,23 @@ void *audioreach_alloc_pkt(int payload_size, uint32_t opcode,
 void *audioreach_alloc_graph_pkt(struct q6apm *apm,
 				 struct list_head *sg_list,
 				  int graph_id);
+/* Module specific */
+void audioreach_graph_free_buf(struct q6apm_graph *graph);
+int audioreach_map_memory_regions(struct q6apm_graph *graph,
+				  unsigned int dir, size_t period_sz,
+				  unsigned int periods,
+				  bool is_contiguous);
+int audioreach_send_cmd_sync(struct device *dev, gpr_device_t *gdev, struct gpr_ibasic_rsp_result_t *result,
+			     struct mutex *cmd_lock, gpr_port_t *port, wait_queue_head_t *cmd_wait,
+			     struct gpr_pkt *pkt, uint32_t rsp_opcode);
+int audioreach_graph_send_cmd_sync(struct q6apm_graph *graph, struct gpr_pkt *pkt,
+				   uint32_t rsp_opcode);
+int audioreach_set_media_format(struct q6apm_graph *graph,
+				struct audioreach_module *module,
+				struct audioreach_module_config *cfg);
+int audioreach_shared_memory_send_eos(struct q6apm_graph *graph);
+int audioreach_gain_set_vol_ctrl(struct q6apm *apm,
+				 struct audioreach_module *module, int vol);
 struct audioreach_module *audioreach_get_container_last_module(
 				struct audioreach_container *container);
 struct audioreach_module *audioreach_get_container_first_module(

sound/soc/qcom/qdsp6/q6apm.c

@@ -258,6 +258,150 @@ int q6apm_connect_sub_graphs(struct q6apm *apm, u32 src_sgid, u32 dst_sgid, bool
 	return 0;
 }
 
+int q6apm_graph_media_format_shmem(struct q6apm_graph *graph,
+				   struct audioreach_module_config *cfg)
+{
+	struct audioreach_module *module;
+
+	if (cfg->direction == SNDRV_PCM_STREAM_CAPTURE)
+		module = q6apm_find_module_by_mid(graph, MODULE_ID_RD_SHARED_MEM_EP);
+	else
+		module = q6apm_find_module_by_mid(graph, MODULE_ID_WR_SHARED_MEM_EP);
+
+	if (!module)
+		return -ENODEV;
+
+	audioreach_set_media_format(graph, module, cfg);
+
+	return 0;
+
+}
+EXPORT_SYMBOL_GPL(q6apm_graph_media_format_shmem);
+
+int q6apm_map_memory_regions(struct q6apm_graph *graph, unsigned int dir, phys_addr_t phys,
+			     size_t period_sz, unsigned int periods)
+{
+	struct audioreach_graph_data *data;
+	struct audio_buffer *buf;
+	int cnt;
+	int rc;
+
+	if (dir == SNDRV_PCM_STREAM_PLAYBACK)
+		data = &graph->rx_data;
+	else
+		data = &graph->tx_data;
+
+	mutex_lock(&graph->lock);
+
+	if (data->buf) {
+		mutex_unlock(&graph->lock);
+		return 0;
+	}
+
+	buf = kzalloc(((sizeof(struct audio_buffer)) * periods), GFP_KERNEL);
+	if (!buf) {
+		mutex_unlock(&graph->lock);
+		return -ENOMEM;
+	}
+
+	if (dir == SNDRV_PCM_STREAM_PLAYBACK)
+		data = &graph->rx_data;
+	else
+		data = &graph->tx_data;
+
+	data->buf = buf;
+
+	buf[0].phys = phys;
+	buf[0].size = period_sz;
+
+	for (cnt = 1; cnt < periods; cnt++) {
+		if (period_sz > 0) {
+			buf[cnt].phys = buf[0].phys + (cnt * period_sz);
+			buf[cnt].size = period_sz;
+		}
+	}
+	data->num_periods = periods;
+
+	mutex_unlock(&graph->lock);
+
+	rc = audioreach_map_memory_regions(graph, dir, period_sz, periods, 1);
+	if (rc < 0) {
+		dev_err(graph->dev, "Memory_map_regions failed\n");
+		audioreach_graph_free_buf(graph);
+	}
+
+	return rc;
+}
+EXPORT_SYMBOL_GPL(q6apm_map_memory_regions);
+
+int q6apm_unmap_memory_regions(struct q6apm_graph *graph, unsigned int dir)
+{
+	struct apm_cmd_shared_mem_unmap_regions *cmd;
+	struct audioreach_graph_data *data;
+	struct gpr_pkt *pkt;
+	int rc;
+
+	if (dir == SNDRV_PCM_STREAM_PLAYBACK)
+		data = &graph->rx_data;
+	else
+		data = &graph->tx_data;
+
+	if (!data->mem_map_handle)
+		return 0;
+
+	pkt = audioreach_alloc_apm_pkt(sizeof(*cmd), APM_CMD_SHARED_MEM_UNMAP_REGIONS, dir,
+				     graph->port->id);
+	if (IS_ERR(pkt))
+		return PTR_ERR(pkt);
+
+	cmd = (void *)pkt + GPR_HDR_SIZE;
+	cmd->mem_map_handle = data->mem_map_handle;
+
+	rc = audioreach_graph_send_cmd_sync(graph, pkt, APM_CMD_SHARED_MEM_UNMAP_REGIONS);
+	kfree(pkt);
+
+	audioreach_graph_free_buf(graph);
+
+	return rc;
+}
+EXPORT_SYMBOL_GPL(q6apm_unmap_memory_regions);
+
+int q6apm_graph_media_format_pcm(struct q6apm_graph *graph, struct audioreach_module_config *cfg)
+{
+	struct audioreach_graph_info *info = graph->info;
+	struct audioreach_sub_graph *sgs;
+	struct audioreach_container *container;
+	struct audioreach_module *module;
+
+	list_for_each_entry(sgs, &info->sg_list, node) {
+		list_for_each_entry(container, &sgs->container_list, node) {
+			list_for_each_entry(module, &container->modules_list, node) {
+				if ((module->module_id == MODULE_ID_WR_SHARED_MEM_EP) ||
+					(module->module_id == MODULE_ID_RD_SHARED_MEM_EP))
+					continue;
+
+				audioreach_set_media_format(graph, module, cfg);
+			}
+		}
+	}
+
+	return 0;
+
+}
+EXPORT_SYMBOL_GPL(q6apm_graph_media_format_pcm);
+
+static int q6apm_graph_get_tx_shmem_module_iid(struct q6apm_graph *graph)
+{
+	struct audioreach_module *module;
+
+	module = q6apm_find_module_by_mid(graph, MODULE_ID_RD_SHARED_MEM_EP);
+	if (!module)
+		return -ENODEV;
+
+	return module->instance_id;
+
+}
+
 int q6apm_graph_get_rx_shmem_module_iid(struct q6apm_graph *graph)
 {
 	struct audioreach_module *module;
@@ -271,6 +415,88 @@ int q6apm_graph_get_rx_shmem_module_iid(struct q6apm_graph *graph)
 }
 EXPORT_SYMBOL_GPL(q6apm_graph_get_rx_shmem_module_iid);
 
+int q6apm_write_async(struct q6apm_graph *graph, uint32_t len, uint32_t msw_ts,
+		      uint32_t lsw_ts, uint32_t wflags)
+{
+	struct apm_data_cmd_wr_sh_mem_ep_data_buffer_v2 *write_buffer;
+	struct audio_buffer *ab;
+	struct gpr_pkt *pkt;
+	int rc, iid;
+
+	iid = q6apm_graph_get_rx_shmem_module_iid(graph);
+	pkt = audioreach_alloc_pkt(sizeof(*write_buffer), DATA_CMD_WR_SH_MEM_EP_DATA_BUFFER_V2,
+				   graph->rx_data.dsp_buf | (len << APM_WRITE_TOKEN_LEN_SHIFT),
+				   graph->port->id, iid);
+	if (IS_ERR(pkt))
+		return PTR_ERR(pkt);
+
+	write_buffer = (void *)pkt + GPR_HDR_SIZE;
+
+	mutex_lock(&graph->lock);
+	ab = &graph->rx_data.buf[graph->rx_data.dsp_buf];
+
+	write_buffer->buf_addr_lsw = lower_32_bits(ab->phys);
+	write_buffer->buf_addr_msw = upper_32_bits(ab->phys);
+	write_buffer->buf_size = len;
+	write_buffer->timestamp_lsw = lsw_ts;
+	write_buffer->timestamp_msw = msw_ts;
+	write_buffer->mem_map_handle = graph->rx_data.mem_map_handle;
+	write_buffer->flags = wflags;
+
+	graph->rx_data.dsp_buf++;
+
+	if (graph->rx_data.dsp_buf >= graph->rx_data.num_periods)
+		graph->rx_data.dsp_buf = 0;
+
+	mutex_unlock(&graph->lock);
+
+	rc = gpr_send_port_pkt(graph->port, pkt);
+
+	kfree(pkt);
+
+	return rc;
+}
+EXPORT_SYMBOL_GPL(q6apm_write_async);
+
+int q6apm_read(struct q6apm_graph *graph)
+{
+	struct data_cmd_rd_sh_mem_ep_data_buffer_v2 *read_buffer;
+	struct audioreach_graph_data *port;
+	struct audio_buffer *ab;
+	struct gpr_pkt *pkt;
+	int rc, iid;
+
+	iid = q6apm_graph_get_tx_shmem_module_iid(graph);
+	pkt = audioreach_alloc_pkt(sizeof(*read_buffer), DATA_CMD_RD_SH_MEM_EP_DATA_BUFFER_V2,
+				   graph->tx_data.dsp_buf, graph->port->id, iid);
+	if (IS_ERR(pkt))
+		return PTR_ERR(pkt);
+
+	read_buffer = (void *)pkt + GPR_HDR_SIZE;
+
+	mutex_lock(&graph->lock);
+	port = &graph->tx_data;
+	ab = &port->buf[port->dsp_buf];
+
+	read_buffer->buf_addr_lsw = lower_32_bits(ab->phys);
+	read_buffer->buf_addr_msw = upper_32_bits(ab->phys);
+	read_buffer->mem_map_handle = port->mem_map_handle;
+	read_buffer->buf_size = ab->size;
+
+	port->dsp_buf++;
+
+	if (port->dsp_buf >= port->num_periods)
+		port->dsp_buf = 0;
+
+	mutex_unlock(&graph->lock);
+
+	rc = gpr_send_port_pkt(graph->port, pkt);
+	kfree(pkt);
+
+	return rc;
+}
+EXPORT_SYMBOL_GPL(q6apm_read);
+
 static int graph_callback(struct gpr_resp_pkt *data, void *priv, int op)
 {
 	struct data_cmd_rsp_rd_sh_mem_ep_data_buffer_done_v2 *rd_done;