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ti_sci_*: Add utility to access tisci firmware and SOC capability

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Introduce response and request structs for receiving information
regarding FW/SOC capability from DM. The received capability can
further be used to call certain API's based on the feature supoorted
by the DM firmware.

Signed-off-by: Moteen Shah <m-shah@ti.com>
Reviewed-by: Neha Malcom Francis <n-francis@ti.com>
Reviewed-by: Dhruva Gole <d-gole@ti.com>
This commit is contained in:
Moteen Shah
2025-06-18 12:20:25 -06:00
committed by Tom Rini
parent b492f9520c
commit 3bc174031d
2 changed files with 26 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files
drivers/firmware/ti_sci.h
+13
View File
@@ -27,6 +27,7 @@
#define TI_SCI_MSG_BOARD_CONFIG_SECURITY 0x000d
#define TI_SCI_MSG_BOARD_CONFIG_PM 0x000e
#define TISCI_MSG_QUERY_MSMC 0x0020
#define TI_SCI_MSG_QUERY_FW_CAPS 0x0022
/* Device requests */
#define TI_SCI_MSG_SET_DEVICE_STATE 0x0200
@@ -134,6 +135,18 @@ struct ti_sci_msg_resp_version {
u8 abi_minor;
} __packed;
/**
* struct ti_sci_query_fw_caps_resp - Response for a message
* @hdr: Generic header
* @fw_caps: 64-bit value representing the FW/SOC capabilities.
*
* Response to a message with message type TI_SCI_MSG_QUERY_FW_CAPS
*/
struct ti_sci_query_fw_caps_resp {
struct ti_sci_msg_hdr hdr;
u64 fw_caps;
} __packed;
/**
* struct ti_sci_msg_req_reboot - Reboot the SoC
* @hdr: Generic Header
include/linux/soc/ti/ti_sci_protocol.h
+13
View File
@@ -261,6 +261,18 @@ struct ti_sci_core_ops {
u64 *msmc_start, u64 *msmc_end);
};
/**
* struct ti_sci_firmware_ops - DM firmware operations
* @query_dm_cap: Query the DM capabilities
* Return 0 for successful query else appropriate error value.
*/
struct ti_sci_firmware_ops {
int (*query_dm_cap)(struct ti_sci_handle *handle,
u64 *dm_cap);
};
#define TI_SCI_MSG_FLAG_FW_CAP_DM 0x100
/**
* struct ti_sci_proc_ops - Processor specific operations.
*
@@ -609,6 +621,7 @@ 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;