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firmware: ti_sci.c: Add a function to request DM metadata using ti_sci* calls

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Add a function to retrieve information of the DM firmware's ABI versions,
RM/PM HAL, firmware version, etc using TI_SCI protocol.

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
2025-06-09 13:44:32 +05:30
committed by Tom Rini
parent e1252194b6
commit 60ee945855
1 changed files with 54 additions and 0 deletions
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54
drivers/firmware/ti_sci.c
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@@ -320,6 +320,59 @@ static int ti_sci_cmd_query_dm_cap(struct ti_sci_handle *handle, u64 *fw_caps)
return 0;
}
/**
* ti_sci_cmd_get_dm_version() - command to get the DM version of the SCI
* entity
* @handle: Pointer to TI SCI handle
* @dm_info: Pointer to DM version information structure
*
* Return: 0 if all went fine, else return appropriate error.
*/
static int ti_sci_cmd_get_dm_version(struct ti_sci_handle *handle,
struct ti_sci_dm_version_info *dm_info)
{
struct ti_sci_msg_dm_resp_version *ver_info;
struct ti_sci_msg_hdr hdr;
struct ti_sci_info *info;
struct ti_sci_xfer *xfer;
int ret;
if (IS_ERR(handle))
return PTR_ERR(handle);
if (!handle || !dm_info)
return -EINVAL;
info = handle_to_ti_sci_info(handle);
xfer = ti_sci_setup_one_xfer(info, TI_SCI_MSG_DM_VERSION,
TI_SCI_FLAG_REQ_ACK_ON_PROCESSED,
(u32 *)&hdr, sizeof(struct ti_sci_msg_hdr),
sizeof(*ver_info));
if (IS_ERR(xfer)) {
ret = PTR_ERR(xfer);
return ret;
}
ret = ti_sci_do_xfer(info, xfer);
if (ret)
return ret;
ver_info = (struct ti_sci_msg_dm_resp_version *)xfer->tx_message.buf;
dm_info->abi_major = ver_info->abi_major;
dm_info->abi_minor = ver_info->abi_minor;
dm_info->dm_ver = ver_info->version;
dm_info->patch_ver = ver_info->patch_version;
dm_info->sub_ver = ver_info->sub_version;
strlcpy(dm_info->sci_server_version, ver_info->sci_server_version,
sizeof(ver_info->sci_server_version));
strlcpy(dm_info->rm_pm_hal_version, ver_info->rm_pm_hal_version,
sizeof(ver_info->rm_pm_hal_version));
return 0;
}
/**
* ti_sci_cmd_get_revision() - command to get the revision of the SCI entity
* @handle: pointer to TI SCI handle
@@ -2738,6 +2791,7 @@ static void ti_sci_setup_ops(struct ti_sci_info *info)
fwl_ops->get_fwl_region = ti_sci_cmd_get_fwl_region;
fwl_ops->change_fwl_owner = ti_sci_cmd_change_fwl_owner;
fw_ops->get_dm_version = ti_sci_cmd_get_dm_version;
fw_ops->query_dm_cap = ti_sci_cmd_query_dm_cap;
}