Merge patch series "Print version of the DM firmware"

Moteen Shah <m-shah@ti.com> says:

This patch series adds the functionality to print the DM firmware
version being used. Before requesting TISCI for the DM version we
first check if the DM split mode capability exists, if yes, we proceed
onto making the call to TISCI for retrieving the version information.

DM split mode capability indicates that the DM is a separate binary
altogether and has its own versioning information similar to TIFS.

Boot Logs: https://gist.github.com/Jamm02/37864f605445944a0c0caf426e0aba50

Link: https://software-dl.ti.com/tisci/esd/latest/2_tisci_msgs/general/core.html#tisci-msg-query-fw-caps
Link: https://lore.kernel.org/r/20250609081434.1000377-1-m-shah@ti.com

1 files changed, 39 insertions, 0 deletions

diff --git a/include/linux/soc/ti/ti_sci_protocol.h b/include/linux/soc/ti/ti_sci_protocol.h
index aa4d105ee98..52696763ecf 100644
--- a/include/linux/soc/ti/ti_sci_protocol.h
+++ b/include/linux/soc/ti/ti_sci_protocol.h
@@ -30,6 +30,28 @@ struct ti_sci_version_info {
 	char firmware_description[32];
 };
 
+/**
+ * struct ti_sci_dm_version_info - version information structure
+ * @abi_major:		Major ABI version. Change here implies risk of backward
+ *			compatibility break.
+ * @abi_minor:		Minor ABI version. Change here implies new feature addition,
+ *			or compatible change in ABI.
+ * @patch_ver:		Patch version of the firmware.
+ * @sub_ver:		Sub-version of the firmware.
+ * @dm_ver:		DM version.
+ * @sci_server_version: Version string of the SCI server.
+ * @rm_pm_hal_version:  Version string of the RM PM HAL.
+ */
+struct ti_sci_dm_version_info {
+	u8 abi_major;
+	u8 abi_minor;
+	u8 patch_ver;
+	u8 sub_ver;
+	u16 dm_ver;
+	char rm_pm_hal_version[12];
+	char sci_server_version[26];
+};
+
 struct ti_sci_handle;
 
 /**
@@ -262,6 +284,22 @@ struct ti_sci_core_ops {
 };
 
 /**
+ * struct ti_sci_firmware_ops - DM firmware operations
+ * @query_dm_cap: Query the DM capabilities
+ *                Return 0 for successful query else appropriate error value.
+ * @get_dm_version: Get the DM version.
+ *                  Return 0 for successful request else appropriate error value.
+ */
+struct ti_sci_firmware_ops {
+	int (*query_dm_cap)(struct ti_sci_handle *handle,
+			    u64 *dm_cap);
+	int (*get_dm_version)(struct ti_sci_handle *handle,
+			      struct ti_sci_dm_version_info *get_dm_version);
+};
+
+#define TI_SCI_MSG_FLAG_FW_CAP_DM	0x100
+
+/**
  * struct ti_sci_proc_ops - Processor specific operations.
  *
  * @proc_request: Request for controlling a physical processor.
@@ -609,6 +647,7 @@ struct ti_sci_ops {
 	struct ti_sci_dev_ops dev_ops;
 	struct ti_sci_clk_ops clk_ops;
 	struct ti_sci_core_ops core_ops;
+	struct ti_sci_firmware_ops fw_ops;
 	struct ti_sci_proc_ops proc_ops;
 	struct ti_sci_rm_core_ops rm_core_ops;
 	struct ti_sci_rm_ringacc_ops rm_ring_ops;