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Diffstat (limited to 'sound/soc/intel/baytrail/sst-baytrail-ipc.c')
-rw-r--r--sound/soc/intel/baytrail/sst-baytrail-ipc.c11
1 files changed, 11 insertions, 0 deletions
diff --git a/sound/soc/intel/baytrail/sst-baytrail-ipc.c b/sound/soc/intel/baytrail/sst-baytrail-ipc.c
index a839dbfa5218..4c01bb43928d 100644
--- a/sound/soc/intel/baytrail/sst-baytrail-ipc.c
+++ b/sound/soc/intel/baytrail/sst-baytrail-ipc.c
@@ -679,6 +679,14 @@ static u64 byt_reply_msg_match(u64 header, u64 *mask)
return header;
}
+static bool byt_is_dsp_busy(struct sst_dsp *dsp)
+{
+ u64 ipcx;
+
+ ipcx = sst_dsp_shim_read_unlocked(dsp, SST_IPCX);
+ return (ipcx & (SST_IPCX_BUSY | SST_IPCX_DONE));
+}
+
int sst_byt_dsp_init(struct device *dev, struct sst_pdata *pdata)
{
struct sst_byt *byt;
@@ -699,6 +707,9 @@ int sst_byt_dsp_init(struct device *dev, struct sst_pdata *pdata)
ipc->ops.shim_dbg = byt_shim_dbg;
ipc->ops.tx_data_copy = byt_tx_data_copy;
ipc->ops.reply_msg_match = byt_reply_msg_match;
+ ipc->ops.is_dsp_busy = byt_is_dsp_busy;
+ ipc->tx_data_max_size = IPC_MAX_MAILBOX_BYTES;
+ ipc->rx_data_max_size = IPC_MAX_MAILBOX_BYTES;
err = sst_ipc_init(ipc);
if (err != 0)