On 28/05/25 13:35, Moteen Shah wrote: > 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 <[email protected]> > --- > drivers/firmware/ti_sci.c | 54 +++++++++++++++++++++++++++++++++++++++ > 1 file changed, 54 insertions(+) > > diff --git a/drivers/firmware/ti_sci.c b/drivers/firmware/ti_sci.c > index bb9738efa81..8a8edc97e85 100644 > --- a/drivers/firmware/ti_sci.c > +++ b/drivers/firmware/ti_sci.c > @@ -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; > } >
Reviewed-by: Neha Malcom Francis <[email protected]> -- Thanking You Neha Malcom Francis
