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| author | Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com> | 2023-05-15 10:10:21 +0300 |
|---|---|---|
| committer | Vinod Koul <vkoul@kernel.org> | 2023-05-27 13:36:45 +0300 |
| commit | e40e0e11fe64a0ac93fb11c3c448b844516bc6ee (patch) | |
| tree | 755250281cb981da4cba8eb0de403377978fac55 /drivers/soundwire/intel_auxdevice.c | |
| parent | 6ab915b9c355caa1f80e9e383892052523f49d1f (diff) | |
| download | linux-e40e0e11fe64a0ac93fb11c3c448b844516bc6ee.tar.xz | |
soundwire: intel/cadence: set ip_offset at run-time
Select relevant ip-offset depending on hardware version. This offset
is used to access MCP_ or IP_MCP_ registers with a fixed offset.
For existing platforms, the offset is exactly zero. Starting with
LunarLake, the offset is 0x4000.
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/20230515071042.2038-6-yung-chuan.liao@linux.intel.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Diffstat (limited to 'drivers/soundwire/intel_auxdevice.c')
| -rw-r--r-- | drivers/soundwire/intel_auxdevice.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/soundwire/intel_auxdevice.c b/drivers/soundwire/intel_auxdevice.c index b21e86084f7b..fcdf4f2d60e3 100644 --- a/drivers/soundwire/intel_auxdevice.c +++ b/drivers/soundwire/intel_auxdevice.c @@ -144,6 +144,7 @@ static int intel_link_probe(struct auxiliary_device *auxdev, sdw->link_res = &ldev->link_res; cdns->dev = dev; cdns->registers = sdw->link_res->registers; + cdns->ip_offset = sdw->link_res->ip_offset; cdns->instance = sdw->instance; cdns->msg_count = 0; |