summaryrefslogtreecommitdiff
path: root/include/linux/adi-axi-common.h
diff options
context:
space:
mode:
Diffstat (limited to 'include/linux/adi-axi-common.h')
-rw-r--r--include/linux/adi-axi-common.h21
1 files changed, 21 insertions, 0 deletions
diff --git a/include/linux/adi-axi-common.h b/include/linux/adi-axi-common.h
index f64f4ad4beda..37962ba530df 100644
--- a/include/linux/adi-axi-common.h
+++ b/include/linux/adi-axi-common.h
@@ -8,6 +8,8 @@
* https://wiki.analog.com/resources/fpga/docs/hdl/regmap
*/
+#include <linux/types.h>
+
#ifndef ADI_AXI_COMMON_H_
#define ADI_AXI_COMMON_H_
@@ -21,6 +23,25 @@
#define ADI_AXI_PCORE_VER_MINOR(version) (((version) >> 8) & 0xff)
#define ADI_AXI_PCORE_VER_PATCH(version) ((version) & 0xff)
+/**
+ * adi_axi_pcore_ver_gteq() - check if a version is satisfied
+ * @version: the full version read from the hardware
+ * @major: the major version to compare against
+ * @minor: the minor version to compare against
+ *
+ * ADI AXI IP Cores use semantic versioning, so this can be used to check for
+ * feature availability.
+ *
+ * Return: true if the version is greater than or equal to the specified
+ * major and minor version, false otherwise.
+ */
+static inline bool adi_axi_pcore_ver_gteq(u32 version, u32 major, u32 minor)
+{
+ return ADI_AXI_PCORE_VER_MAJOR(version) > (major) ||
+ (ADI_AXI_PCORE_VER_MAJOR(version) == (major) &&
+ ADI_AXI_PCORE_VER_MINOR(version) >= (minor));
+}
+
#define ADI_AXI_INFO_FPGA_TECH(info) (((info) >> 24) & 0xff)
#define ADI_AXI_INFO_FPGA_FAMILY(info) (((info) >> 16) & 0xff)
#define ADI_AXI_INFO_FPGA_SPEED_GRADE(info) (((info) >> 8) & 0xff)