diff options
Diffstat (limited to 'sound/soc/intel/skylake/skl-messages.c')
| -rw-r--r-- | sound/soc/intel/skylake/skl-messages.c | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/sound/soc/intel/skylake/skl-messages.c b/sound/soc/intel/skylake/skl-messages.c index 60f9fe389887..737934cc620d 100644 --- a/sound/soc/intel/skylake/skl-messages.c +++ b/sound/soc/intel/skylake/skl-messages.c @@ -317,6 +317,46 @@ static void skl_setup_cpr_gateway_cfg(struct skl_sst *ctx, skl_copy_copier_caps(mconfig, cpr_mconfig); } +#define DMA_CONTROL_ID 5 + +int skl_dsp_set_dma_control(struct skl_sst *ctx, struct skl_module_cfg *mconfig) +{ + struct skl_dma_control *dma_ctrl; + struct skl_i2s_config_blob config_blob; + struct skl_ipc_large_config_msg msg = {0}; + int err = 0; + + + /* + * if blob size is same as capablity size, then no dma control + * present so return + */ + if (mconfig->formats_config.caps_size == sizeof(config_blob)) + return 0; + + msg.large_param_id = DMA_CONTROL_ID; + msg.param_data_size = sizeof(struct skl_dma_control) + + mconfig->formats_config.caps_size; + + dma_ctrl = kzalloc(msg.param_data_size, GFP_KERNEL); + if (dma_ctrl == NULL) + return -ENOMEM; + + dma_ctrl->node_id = skl_get_node_id(ctx, mconfig); + + /* size in dwords */ + dma_ctrl->config_length = sizeof(config_blob) / 4; + + memcpy(dma_ctrl->config_data, mconfig->formats_config.caps, + mconfig->formats_config.caps_size); + + err = skl_ipc_set_large_config(&ctx->ipc, &msg, (u32 *)dma_ctrl); + + kfree(dma_ctrl); + + return err; +} + static void skl_setup_out_format(struct skl_sst *ctx, struct skl_module_cfg *mconfig, struct skl_audio_data_format *out_fmt) |