diff --git a/drivers/hid/intel-ish-hid/ipc/pci-ish.c b/drivers/hid/intel-ish-hid/ipc/pci-ish.c index f82428d7f6c3d..f20463082dc40 100644 --- a/drivers/hid/intel-ish-hid/ipc/pci-ish.c +++ b/drivers/hid/intel-ish-hid/ipc/pci-ish.c @@ -28,11 +28,13 @@ enum ishtp_driver_data_index { ISHTP_DRIVER_DATA_LNL_M, }; -#define ISH_FW_FILENAME_LNL_M "intel/ish/ish_lnlm.bin" +#define ISH_FW_GEN_LNL_M "lnlm" + +#define ISH_FIRMWARE_PATH(gen) "intel/ish/ish_" gen ".bin" static struct ishtp_driver_data ishtp_driver_data[] = { [ISHTP_DRIVER_DATA_LNL_M] = { - .fw_filename = ISH_FW_FILENAME_LNL_M, + .fw_generation = ISH_FW_GEN_LNL_M, }, }; @@ -397,4 +399,4 @@ MODULE_AUTHOR("Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>"); MODULE_DESCRIPTION("Intel(R) Integrated Sensor Hub PCI Device Driver"); MODULE_LICENSE("GPL"); -MODULE_FIRMWARE(ISH_FW_FILENAME_LNL_M); +MODULE_FIRMWARE(ISH_FIRMWARE_PATH(ISH_FW_GEN_LNL_M)); diff --git a/drivers/hid/intel-ish-hid/ishtp/ishtp-dev.h b/drivers/hid/intel-ish-hid/ishtp/ishtp-dev.h index 181838c3d7ac9..cdacce0a4c9d7 100644 --- a/drivers/hid/intel-ish-hid/ishtp/ishtp-dev.h +++ b/drivers/hid/intel-ish-hid/ishtp/ishtp-dev.h @@ -129,13 +129,15 @@ struct ishtp_hw_ops { * ISHTP device instance. It allows for the storage of data that is unique to * a particular driver or hardware variant. * - * @fw_filename: The firmware filename associated with a specific hardware + * @fw_generation: The generation name associated with a specific hardware * variant of the Intel Integrated Sensor Hub (ISH). This allows * the driver to load the correct firmware based on the device's - * hardware variant. + * hardware variant. For example, "lnlm" for the Lunar Lake-M + * platform. The generation name must not exceed 8 characters + * in length. */ struct ishtp_driver_data { - char *fw_filename; + char *fw_generation; }; /** diff --git a/drivers/hid/intel-ish-hid/ishtp/loader.c b/drivers/hid/intel-ish-hid/ishtp/loader.c index fcca070bdecbe..ff11ee4e38ede 100644 --- a/drivers/hid/intel-ish-hid/ishtp/loader.c +++ b/drivers/hid/intel-ish-hid/ishtp/loader.c @@ -43,6 +43,7 @@ #include <linux/math.h> #include <linux/module.h> #include <linux/pfn.h> +#include <linux/sprintf.h> #include <linux/string.h> #include <linux/types.h> #include <linux/wait.h> @@ -192,6 +193,23 @@ static int prepare_dma_bufs(struct ishtp_device *dev, return 0; } +#define ISH_FW_FILE_DEFAULT_FMT "intel/ish/ish_%s.bin" + +#define ISH_FW_FILENAME_LEN_MAX 56 + +static int request_ish_firmware(const struct firmware **firmware_p, + struct device *dev) +{ + struct ishtp_device *ishtp = dev_get_drvdata(dev); + const char *gen; + char filename[ISH_FW_FILENAME_LEN_MAX]; + + gen = ishtp->driver_data->fw_generation; + snprintf(filename, sizeof(filename), ISH_FW_FILE_DEFAULT_FMT, gen); + + return request_firmware(firmware_p, filename, dev); +} + /** * ishtp_loader_work() - Load the ISHTP firmware * @work: The work structure @@ -220,7 +238,6 @@ void ishtp_loader_work(struct work_struct *work) struct loader_xfer_query query = { .header = cpu_to_le32(query_hdr.val32), }; struct loader_start start = { .header = cpu_to_le32(start_hdr.val32), }; union loader_recv_message recv_msg; - char *filename = dev->driver_data->fw_filename; const struct firmware *ish_fw; void *dma_bufs[FRAGMENT_MAX_NUM] = {}; u32 fragment_size; @@ -228,9 +245,9 @@ void ishtp_loader_work(struct work_struct *work) int retry = ISHTP_LOADER_RETRY_TIMES; int rv; - rv = request_firmware(&ish_fw, filename, dev->devc); + rv = request_ish_firmware(&ish_fw, dev->devc); if (rv < 0) { - dev_err(dev->devc, "request firmware %s failed:%d\n", filename, rv); + dev_err(dev->devc, "request ISH firmware failed:%d\n", rv); return; }