platform/x86/intel/tpmi: Add defines to get version information

Add defines to get major and minor version from a TPMI version field
value. This will avoid code duplication to convert in every feature
driver. Also add define for invalid version field.

Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Link: https://lore.kernel.org/r/20231003184916.1860084-2-srinivas.pandruvada@linux.intel.com
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>

diff --git a/include/linux/intel_tpmi.h b/include/linux/intel_tpmi.h
index 04d937ad4dc4f597de20919e223a564d9b55a98c..ee07393445f9f21730ab7bcd40f823fe9168e2df 100644 (file)
--- a/include/linux/intel_tpmi.h
+++ b/include/linux/intel_tpmi.h
@@ -6,6 +6,12 @@
 #ifndef _INTEL_TPMI_H_
 #define _INTEL_TPMI_H_
 
+#include <linux/bitfield.h>
+
+#define TPMI_VERSION_INVALID   0xff
+#define TPMI_MINOR_VERSION(val)        FIELD_GET(GENMASK(4, 0), val)
+#define TPMI_MAJOR_VERSION(val)        FIELD_GET(GENMASK(7, 5), val)
+
 /**
  * struct intel_tpmi_plat_info - Platform information for a TPMI device instance
  * @package_id:        CPU Package id