From 6b2a374adfa8b58e2da2ca07245c2774fd6ea9b4 Mon Sep 17 00:00:00 2001 From: Zhang Lixu Date: Mon, 6 May 2024 09:30:38 +0800 Subject: HID: intel-ish-hid: Add driver_data for specifying the firmware filename Introduces a new structure, ishtp_driver_data, to hold driver-specific data, including the firmware filename for different hardware variants of the Intel Integrated Sensor Hub (ISH). Signed-off-by: Zhang Lixu Acked-by: Srinivas Pandruvada Signed-off-by: Jiri Kosina --- drivers/hid/intel-ish-hid/ipc/pci-ish.c | 18 +++++++++++++++++- drivers/hid/intel-ish-hid/ishtp/ishtp-dev.h | 17 +++++++++++++++++ 2 files changed, 34 insertions(+), 1 deletion(-) (limited to 'drivers/hid') diff --git a/drivers/hid/intel-ish-hid/ipc/pci-ish.c b/drivers/hid/intel-ish-hid/ipc/pci-ish.c index e79d72f7db2a..d487227085b2 100644 --- a/drivers/hid/intel-ish-hid/ipc/pci-ish.c +++ b/drivers/hid/intel-ish-hid/ipc/pci-ish.c @@ -23,6 +23,19 @@ #include "ishtp-dev.h" #include "hw-ish.h" +enum ishtp_driver_data_index { + ISHTP_DRIVER_DATA_NONE, + ISHTP_DRIVER_DATA_LNL_M, +}; + +#define ISH_FW_FILENAME_LNL_M "intel/ish/ish_lnlm.bin" + +static struct ishtp_driver_data ishtp_driver_data[] = { + [ISHTP_DRIVER_DATA_LNL_M] = { + .fw_filename = ISH_FW_FILENAME_LNL_M, + }, +}; + static const struct pci_device_id ish_pci_tbl[] = { {PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_ISH_CHV)}, {PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_ISH_BXT_Ax)}, @@ -46,7 +59,7 @@ static const struct pci_device_id ish_pci_tbl[] = { {PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_ISH_MTL_P)}, {PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_ISH_ARL_H)}, {PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_ISH_ARL_S)}, - {PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_ISH_LNL_M)}, + {PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_ISH_LNL_M), .driver_data = ISHTP_DRIVER_DATA_LNL_M}, {} }; MODULE_DEVICE_TABLE(pci, ish_pci_tbl); @@ -167,6 +180,7 @@ static int ish_probe(struct pci_dev *pdev, const struct pci_device_id *ent) } hw = to_ish_hw(ishtp); ishtp->print_log = ish_event_tracer; + ishtp->driver_data = &ishtp_driver_data[ent->driver_data]; /* mapping IO device memory */ hw->mem_addr = pcim_iomap_table(pdev)[0]; @@ -377,3 +391,5 @@ MODULE_AUTHOR("Srinivas Pandruvada "); MODULE_DESCRIPTION("Intel(R) Integrated Sensor Hub PCI Device Driver"); MODULE_LICENSE("GPL"); + +MODULE_FIRMWARE(ISH_FW_FILENAME_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 32142c7d9a04..ed294bf0bc8f 100644 --- a/drivers/hid/intel-ish-hid/ishtp/ishtp-dev.h +++ b/drivers/hid/intel-ish-hid/ishtp/ishtp-dev.h @@ -122,12 +122,29 @@ struct ishtp_hw_ops { bool (*dma_no_cache_snooping)(struct ishtp_device *dev); }; +/** + * struct ishtp_driver_data - Driver-specific data for ISHTP devices + * + * This structure holds driver-specific data that can be associated with each + * 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 + * variant of the Intel Integrated Sensor Hub (ISH). This allows + * the driver to load the correct firmware based on the device's + * hardware variant. + */ +struct ishtp_driver_data { + char *fw_filename; +}; + /** * struct ishtp_device - ISHTP private device struct */ struct ishtp_device { struct device *devc; /* pointer to lowest device */ struct pci_dev *pdev; /* PCI device to get device ids */ + struct ishtp_driver_data *driver_data; /* pointer to driver-specific data */ /* waitq for waiting for suspend response */ wait_queue_head_t suspend_wait; -- cgit v1.2.3