From 4d1e2464a1104b85f47bb8d5f60698b265aceda5 Mon Sep 17 00:00:00 2001 From: Pierre-Louis Bossart Date: Mon, 15 May 2023 15:10:31 +0800 Subject: [PATCH] soundwire: intel_ace2x: add sync_arm/sync_go helpers MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit Same functionality as before, but with the registers moved to the HDaudio multi-link area. Signed-off-by: Pierre-Louis Bossart Reviewed-by: Rander Wang Reviewed-by: Péter Ujfalusi Reviewed-by: Ranjani Sridharan Signed-off-by: Bard Liao Link: https://lore.kernel.org/r/20230515071042.2038-16-yung-chuan.liao@linux.intel.com Signed-off-by: Vinod Koul --- drivers/soundwire/intel_ace2x.c | 39 +++++++++++++++++++++++++++++++++++++++ 1 file changed, 39 insertions(+) diff --git a/drivers/soundwire/intel_ace2x.c b/drivers/soundwire/intel_ace2x.c index d6d5e6e..20b8806 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); -- 2.7.4