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Diffstat (limited to 'sound/soc/intel/haswell/sst-haswell-ipc.c')
-rw-r--r--sound/soc/intel/haswell/sst-haswell-ipc.c14
1 files changed, 14 insertions, 0 deletions
diff --git a/sound/soc/intel/haswell/sst-haswell-ipc.c b/sound/soc/intel/haswell/sst-haswell-ipc.c
index 27957a215..670afbe77 100644
--- a/sound/soc/intel/haswell/sst-haswell-ipc.c
+++ b/sound/soc/intel/haswell/sst-haswell-ipc.c
@@ -2098,6 +2098,14 @@ static u64 hsw_reply_msg_match(u64 header, u64 *mask)
return header;
}
+static bool hsw_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_hsw_dsp_init(struct device *dev, struct sst_pdata *pdata)
{
struct sst_hsw_ipc_fw_version version;
@@ -2111,12 +2119,18 @@ int sst_hsw_dsp_init(struct device *dev, struct sst_pdata *pdata)
if (hsw == NULL)
return -ENOMEM;
+ hsw->dev = dev;
+
ipc = &hsw->ipc;
ipc->dev = dev;
ipc->ops.tx_msg = hsw_tx_msg;
ipc->ops.shim_dbg = hsw_shim_dbg;
ipc->ops.tx_data_copy = hsw_tx_data_copy;
ipc->ops.reply_msg_match = hsw_reply_msg_match;
+ ipc->ops.is_dsp_busy = hsw_is_dsp_busy;
+
+ ipc->tx_data_max_size = IPC_MAX_MAILBOX_BYTES;
+ ipc->rx_data_max_size = IPC_MAX_MAILBOX_BYTES;
ret = sst_ipc_init(ipc);
if (ret != 0)