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| author | Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com> | 2023-05-15 15:10:31 +0800 |
|---|---|---|
| committer | Vinod Koul <vkoul@kernel.org> | 2023-05-27 16:06:46 +0530 |
| commit | 4d1e2464a1104b85f47bb8d5f60698b265aceda5 (patch) | |
| tree | 8cbc4cec26cfb679df66bf2b2366765b6dc73b69 /drivers/soundwire | |
| parent | d2f0daf6f1278128af9e7b0b79a4c3f9614f7ec5 (diff) | |
| download | lwn-4d1e2464a1104b85f47bb8d5f60698b265aceda5.tar.gz lwn-4d1e2464a1104b85f47bb8d5f60698b265aceda5.zip | |
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.c | 39 |
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); |