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authorPierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>2023-05-15 10:10:31 +0300
committerVinod Koul <vkoul@kernel.org>2023-05-27 13:36:46 +0300
commit4d1e2464a1104b85f47bb8d5f60698b265aceda5 (patch)
tree8cbc4cec26cfb679df66bf2b2366765b6dc73b69 /drivers/soundwire
parentd2f0daf6f1278128af9e7b0b79a4c3f9614f7ec5 (diff)
downloadlinux-4d1e2464a1104b85f47bb8d5f60698b265aceda5.tar.xz
soundwire: intel_ace2x: add sync_arm/sync_go helpers
Same functionality as before, but with the registers moved to the HDaudio multi-link area. Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com> Reviewed-by: Rander Wang <rander.wang@intel.com> Reviewed-by: Péter Ujfalusi <peter.ujfalusi@linux.intel.com> Reviewed-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com> Signed-off-by: Bard Liao <yung-chuan.liao@linux.intel.com> Link: https://lore.kernel.org/r/20230515071042.2038-16-yung-chuan.liao@linux.intel.com Signed-off-by: Vinod Koul <vkoul@kernel.org>
Diffstat (limited to 'drivers/soundwire')
-rw-r--r--drivers/soundwire/intel_ace2x.c39
1 files changed, 39 insertions, 0 deletions
diff --git a/drivers/soundwire/intel_ace2x.c b/drivers/soundwire/intel_ace2x.c
index d6d5e6e070f4..20b8806f7de6 100644
--- a/drivers/soundwire/intel_ace2x.c
+++ b/drivers/soundwire/intel_ace2x.c
@@ -116,6 +116,41 @@ static int intel_link_power_down(struct sdw_intel *sdw)
return ret;
}
+static void intel_sync_arm(struct sdw_intel *sdw)
+{
+ unsigned int link_id = sdw->instance;
+
+ mutex_lock(sdw->link_res->shim_lock);
+
+ hdac_bus_eml_sdw_sync_arm_unlocked(sdw->link_res->hbus, link_id);
+
+ mutex_unlock(sdw->link_res->shim_lock);
+}
+
+static int intel_sync_go_unlocked(struct sdw_intel *sdw)
+{
+ int ret;
+
+ ret = hdac_bus_eml_sdw_sync_go_unlocked(sdw->link_res->hbus);
+ if (ret < 0)
+ dev_err(sdw->cdns.dev, "%s: SyncGO clear failed: %d\n", __func__, ret);
+
+ return ret;
+}
+
+static int intel_sync_go(struct sdw_intel *sdw)
+{
+ int ret;
+
+ mutex_lock(sdw->link_res->shim_lock);
+
+ ret = intel_sync_go_unlocked(sdw);
+
+ mutex_unlock(sdw->link_res->shim_lock);
+
+ return ret;
+}
+
/*
* DAI operations
*/
@@ -283,6 +318,10 @@ const struct sdw_intel_hw_ops sdw_intel_lnl_hw_ops = {
.link_power_up = intel_link_power_up,
.link_power_down = intel_link_power_down,
+
+ .sync_arm = intel_sync_arm,
+ .sync_go_unlocked = intel_sync_go_unlocked,
+ .sync_go = intel_sync_go,
};
EXPORT_SYMBOL_NS(sdw_intel_lnl_hw_ops, SOUNDWIRE_INTEL);