[PATCH 2/8] ASoC: Intel: Move the busy check to ops for Baytrail

From: Vinod Koul <vinod.koul@intel.com>
To: alsa-devel@alsa-project.org
Cc: liam.r.girdwood@linux.intel.com, patches.audio@intel.com,
	broonie@kernel.org,
	"Subhransu S. Prusty" <subhransu.s.prusty@intel.com>,
	Vinod Koul <vinod.koul@intel.com>
Subject: [PATCH 2/8] ASoC: Intel: Move the busy check to ops for Baytrail
Date: Mon, 18 May 2015 16:55:55 +0530	[thread overview]
Message-ID: <1431948361-12756-3-git-send-email-vinod.koul@intel.com> (raw)
In-Reply-To: <1431948361-12756-1-git-send-email-vinod.koul@intel.com>

From: "Subhransu S. Prusty" <subhransu.s.prusty@intel.com>

Signed-off-by: Subhransu S. Prusty <subhransu.s.prusty@intel.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
---
 sound/soc/intel/baytrail/sst-baytrail-ipc.c | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/sound/soc/intel/baytrail/sst-baytrail-ipc.c b/sound/soc/intel/baytrail/sst-baytrail-ipc.c
index 1efb33b36303..799b804f3e34 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 +707,7 @@ 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;
 
 	err = sst_ipc_init(ipc);
 	if (err != 0)
-- 
1.9.1
