| /Linux-v5.4/drivers/gpu/drm/tegra/ |
| D | falcon.c | 8 #include <linux/firmware.h>
59 const struct firmware *firmware) in falcon_copy_firmware_image() argument
61 u32 *firmware_vaddr = falcon->firmware.vaddr; in falcon_copy_firmware_image()
67 for (i = 0; i < firmware->size / sizeof(u32); i++) in falcon_copy_firmware_image()
68 firmware_vaddr[i] = le32_to_cpu(((u32 *)firmware->data)[i]); in falcon_copy_firmware_image()
70 /* ensure that caches are flushed and falcon can see the firmware */ in falcon_copy_firmware_image()
72 falcon->firmware.size, DMA_TO_DEVICE); in falcon_copy_firmware_image()
75 dev_err(falcon->dev, "failed to map firmware: %d\n", err); in falcon_copy_firmware_image()
79 falcon->firmware.size, DMA_TO_DEVICE); in falcon_copy_firmware_image()
80 dma_unmap_single(falcon->dev, daddr, falcon->firmware.size, in falcon_copy_firmware_image()
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| /Linux-v5.4/drivers/base/firmware_loader/ |
| D | Kconfig | 2 menu "Firmware loader"
5 tristate "Firmware loading facility" if EXPERT
8 This enables the firmware loading facility in the kernel. The kernel
9 will first look for built-in firmware, if it has any. Next, it will
10 look for the requested firmware in a series of filesystem paths:
13 o /lib/firmware/updates/UTS_RELEASE
14 o /lib/firmware/updates
15 o /lib/firmware/UTS_RELEASE
16 o /lib/firmware
20 need firmware.
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| D | main.c | 3 * main.c - Multi purpose firmware loading support
24 #include <linux/firmware.h>
41 #include "firmware.h"
45 MODULE_DESCRIPTION("Multi purpose firmware loading support");
56 * Names of firmware images which have been cached successfully
58 * helper can trace which firmware images have been cached
94 /* Builtin firmware support */
101 static void fw_copy_to_prealloc_buf(struct firmware *fw, in fw_copy_to_prealloc_buf()
109 static bool fw_get_builtin_firmware(struct firmware *fw, const char *name, in fw_get_builtin_firmware()
127 static bool fw_is_builtin_firmware(const struct firmware *fw) in fw_is_builtin_firmware()
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| /Linux-v5.4/Documentation/networking/device_drivers/netronome/ |
| D | nfp.rst | 13 - `Acquiring Firmware`_
24 Acquiring Firmware
27 The NFP4000 and NFP6000 devices require application specific firmware
28 to function. Application firmware can be located either on the host file system
29 or in the device flash (if supported by management firmware).
31 Firmware files on the host filesystem contain card type (`AMDA-*` string), media
32 config etc. They should be placed in `/lib/firmware/netronome` directory to
33 load firmware from the host file system.
35 Firmware for basic NIC operation is available in the upstream
36 `linux-firmware.git` repository.
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| /Linux-v5.4/Documentation/driver-api/firmware/ |
| D | firmware_cache.rst | 2 Firmware cache
5 When Linux resumes from suspend some device drivers require firmware lookups to
7 firmware lookups are not possible, during this short period of time firmware
9 the root filesystem for firmware delays user experience with device
10 functionality. In order to support these requirements the firmware
11 infrastructure implements a firmware cache for device drivers for most API
14 The firmware cache makes using certain firmware API calls safe during a device
16 the firmware by themselves for dealing with firmware loss during system resume.
18 The firmware cache works by requesting for firmware prior to suspend and
19 caching it in memory. Upon resume device drivers using the firmware API will
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| D | fallback-mechanisms.rst | 6 filesystem lookup on the root filesystem or when the firmware simply cannot be
8 configuration options related to supporting the firmware fallback mechanism are:
10 * CONFIG_FW_LOADER_USER_HELPER: enables building the firmware fallback
15 enable the kobject uevent fallback mechanism on all firmware API calls
21 manually load the firmware. Read below for more details.
31 Justifying the firmware fallback mechanism
40 * Races upon resume from suspend. This is resolved by the firmware cache, but
41 the firmware cache is only supported if you use uevents, and its not
44 * Firmware is not accessible through typical means:
46 * The firmware provides very unique device specific data tailored for
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| D | built-in-fw.rst | 2 Built-in firmware
5 Firmware can be built-in to the kernel, this means building the firmware
6 into vmlinux directly, to enable avoiding having to look for firmware from
7 the filesystem. Instead, firmware can be looked for inside the kernel
8 directly. You can enable built-in firmware using the kernel configuration
14 There are a few reasons why you might want to consider building your firmware
18 * Firmware is needed for accessing the boot device, and the user doesn't
19 want to stuff the firmware into the boot initramfs.
22 able to make use of built-in firmware:
24 * Legalese - firmware is non-GPL compatible
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| D | request_firmware.rst | 5 You would typically load firmware and then load it into your device somehow.
6 The typical firmware work flow is reflected below::
8 if(request_firmware(&fw_entry, $FIRMWARE, device) == 0)
12 Synchronous firmware requests
15 Synchronous firmware requests will wait until the firmware is found or until
38 Asynchronous firmware requests
41 Asynchronous firmware requests allow driver code to not have to wait
42 until the firmware or an error is returned. Function callbacks are
43 provided so that when the firmware or an error is found the driver is
55 Some devices have an optimization in place to enable the firmware to be
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| /Linux-v5.4/drivers/net/wireless/marvell/libertas/ |
| D | firmware.c | 3 * Firmware loading and handling functions.
7 #include <linux/firmware.h>
16 const struct firmware *helper, const struct firmware *mainfw) in lbs_fw_loaded()
20 lbs_deb_fw("firmware load complete, code %d\n", ret); in lbs_fw_loaded()
32 void (*cb)(const struct firmware *fw, void *context)) in do_load_firmware()
45 static void main_firmware_cb(const struct firmware *firmware, void *context) in main_firmware_cb() argument
49 if (!firmware) { in main_firmware_cb()
50 /* Failed to find firmware: try next table entry */ in main_firmware_cb()
55 /* Firmware found! */ in main_firmware_cb()
56 lbs_fw_loaded(priv, 0, priv->helper_fw, firmware); in main_firmware_cb()
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| /Linux-v5.4/Documentation/ABI/testing/ |
| D | sysfs-firmware-efi-esrt | 1 What: /sys/firmware/efi/esrt/
5 (ESRT), a catalog of firmware for which can be updated with
10 What: /sys/firmware/efi/esrt/fw_resource_count
15 What: /sys/firmware/efi/esrt/fw_resource_count_max
20 really only useful to the system firmware itself.
22 What: /sys/firmware/efi/esrt/fw_resource_version
25 Description: The version of the ESRT structure provided by the firmware.
27 What: /sys/firmware/efi/esrt/entries/entry$N/
32 example: /sys/firmware/efi/esrt/entries/entry0/
34 What: /sys/firmware/efi/esrt/entries/entry$N/fw_type
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| D | sysfs-firmware-memmap | 1 What: /sys/firmware/memmap/
5 On all platforms, the firmware provides a memory map which the
10 However, on most architectures that firmware-provided memory
16 kexec needs the raw firmware-provided memory map to setup the
19 that reason, /sys/firmware/memmap is an interface that provides
22 The structure is as follows: Under /sys/firmware/memmap there
25 /sys/firmware/memmap/0
26 /sys/firmware/memmap/1
27 /sys/firmware/memmap/2
28 /sys/firmware/memmap/3
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| D | sysfs-firmware-gsmi | 1 What: /sys/firmware/gsmi
5 Some servers used internally at Google have firmware
13 these firmware callbacks. Currently, this functionality
19 /sys/firmware/gsmi/vars:
22 underlying implementation as /sys/firmware/efi/vars.
23 See Documentation/ABI/*/sysfs-firmware-efi-vars
27 /sys/firmware/gsmi/append_to_eventlog - write-only:
30 the firmware to be timestamped and appended to
32 interpreted by the firmware and may change from
36 firmware call.
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| /Linux-v5.4/drivers/media/usb/as102/ |
| D | as102_fw.c | 11 #include <linux/firmware.h>
38 * Parse INTEL HEX firmware file to extract address and data.
48 pr_err("invalid firmware file\n"); in parse_hex_line()
93 const struct firmware *firmware) { in as102_firmware_upload() argument
104 for (total_read_bytes = 0; total_read_bytes < firmware->size; ) { in as102_firmware_upload()
109 (u8 *) (firmware->data + total_read_bytes), in as102_firmware_upload()
120 if (total_read_bytes == firmware->size) { in as102_firmware_upload()
158 const struct firmware *firmware = NULL; in as102_fw_upload() local
172 /* allocate buffer to store firmware upload command and data */ in as102_fw_upload()
179 /* request kernel to locate firmware file: part1 */ in as102_fw_upload()
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| /Linux-v5.4/scripts/ |
| D | extract_xc3028.pl | 19 # cp xc3028-v24.fw /lib/firmware
20 # cp xc3028-v27.fw /lib/firmware
33 die "This firmware requires the md5sum command - see http://www.gnu.org/software/coreutils/\n";
163 # Firmware 0, type: BASE FW F8MHZ (0x00000003), id: (0000000000000000), size: 6635
172 # Firmware 1, type: BASE FW F8MHZ MTS (0x00000007), id: (0000000000000000), size: 6635
181 # Firmware 2, type: BASE FW FM (0x00000401), id: (0000000000000000), size: 6525
190 # Firmware 3, type: BASE FW FM INPUT1 (0x00000c01), id: (0000000000000000), size: 6539
199 # Firmware 4, type: BASE FW (0x00000001), id: (0000000000000000), size: 6633
208 # Firmware 5, type: BASE FW MTS (0x00000005), id: (0000000000000000), size: 6617
217 # Firmware 6, type: STD FW (0x00000000), id: PAL/BG A2/A (0000000100000007), size: 161
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| /Linux-v5.4/Documentation/devicetree/bindings/soc/fsl/cpm_qe/ |
| D | qe.txt | 26 - fsl,firmware-phandle:
27 Usage: required only if there is no fsl,qe-firmware child node
29 Definition: Points to a firmware node (see "QE Firmware Node" below)
30 that contains the firmware that should be uploaded for this QE.
31 The compatible property for the firmware node should say,
32 "fsl,qe-firmware".
135 * QE Firmware Node
137 This node defines a firmware binary that is embedded in the device tree, for
138 the purpose of passing the firmware from bootloader to the kernel, or from
141 The firmware node itself contains the firmware binary contents, a compatible
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| /Linux-v5.4/drivers/soc/qcom/ |
| D | mdt_loader.c | 12 #include <linux/firmware.h>
36 * @fw: firmware object for the mdt file
38 * Returns size of the loaded firmware blob, or -EINVAL on failure.
40 ssize_t qcom_mdt_get_size(const struct firmware *fw) in qcom_mdt_get_size()
71 * @fw: firmware of mdt header or mbn
74 * The mechanism that performs the authentication of the loading firmware
79 * In the case of split firmware the hash is found directly following the ELF
86 void *qcom_mdt_read_metadata(const struct firmware *fw, size_t *data_len) in qcom_mdt_read_metadata()
129 static int __qcom_mdt_load(struct device *dev, const struct firmware *fw, in __qcom_mdt_load()
130 const char *firmware, int pas_id, void *mem_region, in __qcom_mdt_load() argument
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| /Linux-v5.4/drivers/usb/misc/ |
| D | isight_firmware.c | 3 * Driver for loading USB isight firmware
9 * need firmware to be loaded beforehand. After firmware loading, the device
13 * The firmware is non-free and must be extracted by the user. Tools to do this
16 * The isight firmware loading was reverse engineered by Johannes Berg
22 #include <linux/firmware.h>
39 const struct firmware *firmware; in isight_firmware_load() local
47 if (request_firmware(&firmware, "isight.fw", &dev->dev) != 0) { in isight_firmware_load()
48 printk(KERN_ERR "Unable to load isight firmware\n"); in isight_firmware_load()
53 ptr = firmware->data; in isight_firmware_load()
60 "Failed to initialise isight firmware loader\n"); in isight_firmware_load()
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| /Linux-v5.4/drivers/hid/intel-ish-hid/ |
| D | ishtp-fw-loader.c | 3 * ISH-TP client driver for ISH firmware loading
8 #include <linux/firmware.h>
15 /* Number of times we attempt to load the firmware before giving up */
23 * ISH Shim firmware loader reserves 4 Kb buffer in SRAM. The buffer is
25 * firmware loader. Reason for the odd size of 3968 bytes? Each IPC
34 * LOADER_CMD_XFER_QUERY Query the Shim firmware loader for
36 * LOADER_CMD_XFER_FRAGMENT Transfer one firmware image fragment at a
38 * multiple times until the entire firmware
40 * LOADER_CMD_START Start executing the main firmware.
53 * ISH firmware max delay for one transmit failure is 1 Hz,
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| /Linux-v5.4/drivers/scsi/fnic/ |
| D | fcpio.h | 25 * communication by the host driver to the fcp firmware.
81 * Header status codes from the firmware
87 * If a request to the firmware is rejected, the original request
97 * Once a request is processed, the firmware will usually return
118 * to mark commands with a unique tag. When the firmware responds to
121 * The only firmware requests that will use the rx_id/ox_id fields instead
163 * The header for an fcpio request, whether from the firmware or from the
199 * fcpio_icmnd_16: host -> firmware request
247 * fcpio_icmnd_32: host -> firmware request
275 * fcpio_itmf: host -> firmware request
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| /Linux-v5.4/drivers/gpu/drm/i915/gvt/ |
| D | firmware.c | 31 #include <linux/firmware.h>
83 void *firmware; in expose_firmware_sysfs() local
89 firmware = vzalloc(size); in expose_firmware_sysfs()
90 if (!firmware) in expose_firmware_sysfs()
93 h = firmware; in expose_firmware_sysfs()
102 p = firmware + h->cfg_space_offset; in expose_firmware_sysfs()
107 memcpy(gvt->firmware.cfg_space, p, info->cfg_space_size); in expose_firmware_sysfs()
109 p = firmware + h->mmio_offset; in expose_firmware_sysfs()
114 memcpy(gvt->firmware.mmio, p, info->mmio_size); in expose_firmware_sysfs()
117 h->crc32 = crc32_le(0, firmware + crc32_start, size - crc32_start); in expose_firmware_sysfs()
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| /Linux-v5.4/drivers/bluetooth/ |
| D | bcm203x.c | 4 * Broadcom Blutonium firmware driver
20 #include <linux/firmware.h>
131 BT_ERR("Firmware loading failed"); in bcm203x_complete()
155 const struct firmware *firmware; in bcm203x_probe() local
176 if (request_firmware(&firmware, "BCM2033-MD.hex", &udev->dev) < 0) { in bcm203x_probe()
182 BT_DBG("minidrv data %p size %zu", firmware->data, firmware->size); in bcm203x_probe()
184 size = max_t(uint, firmware->size, 4096); in bcm203x_probe()
189 release_firmware(firmware); in bcm203x_probe()
194 memcpy(data->buffer, firmware->data, firmware->size); in bcm203x_probe()
197 data->buffer, firmware->size, bcm203x_complete, data); in bcm203x_probe()
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| /Linux-v5.4/drivers/net/wireless/intersil/orinoco/ |
| D | fw.c | 1 /* Firmware file reading and download helpers
7 #include <linux/firmware.h>
17 /* End markers (for Symbol firmware only) */
78 /* TODO: consider adding a checksum or CRC to the firmware format */ in validate_fw()
83 static inline const struct firmware *
95 /* Download either STA or AP firmware into the card. */
105 const struct firmware *fw_entry; in orinoco_dl_firmware()
109 const char *firmware; in orinoco_dl_firmware() local
119 firmware = fw->ap_fw; in orinoco_dl_firmware()
121 firmware = fw->sta_fw; in orinoco_dl_firmware()
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| /Linux-v5.4/Documentation/leds/ |
| D | leds-lp55xx.rst | 58 ( Firmware Interface )
66 LP55xx common driver supports the firmware interface.
82 Start program which is loaded via the firmware interface
83 firmware:
93 echo 1 > /sys/class/firmware/lp5521/loading
94 echo "4000600040FF6000" > /sys/class/firmware/lp5521/data
95 echo 0 > /sys/class/firmware/lp5521/loading
103 echo 1 > /sys/class/firmware/lp55231/loading
104 echo "9d0740ff7e0040007e00a0010000" > /sys/class/firmware/lp55231/data
105 echo 0 > /sys/class/firmware/lp55231/loading
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| /Linux-v5.4/drivers/staging/greybus/Documentation/firmware/ |
| D | firmware.c | 3 * Sample code to test firmware-management protocol
37 …printf("\nUsage: ./firmware <gb-fw-mgmt-X (default: gb-fw-mgmt-0)> <interface: 0, backend: 1 (defa… in usage()
44 /* Get Interface Firmware Version */ in update_intf_firmware()
45 printf("Get Interface Firmware Version\n"); in update_intf_firmware()
49 printf("Failed to get interface firmware version: %s (%d)\n", in update_intf_firmware()
54 printf("Interface Firmware tag (%s), major (%d), minor (%d)\n", in update_intf_firmware()
58 /* Try Interface Firmware load over Unipro */ in update_intf_firmware()
59 printf("Loading Interface Firmware\n"); in update_intf_firmware()
71 printf("Failed to load interface firmware: %s (%d)\n", fwdev, in update_intf_firmware()
83 printf("Interface Firmware (%s) Load done: major: %d, minor: %d, status: %d\n", in update_intf_firmware()
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| /Linux-v5.4/drivers/firmware/ |
| D | Kconfig | 7 menu "Firmware Drivers"
37 enabled or disabled via the SCP firmware
70 enabled or disabled via the SCP firmware
77 standard for registering callbacks from the platform firmware
102 bool "Add firmware-provided memory map to sysfs" if EXPERT
105 Add the firmware-provided (unmodified) memory map to /sys/firmware/memmap.
109 See also Documentation/ABI/testing/sysfs-firmware-memmap.
116 If your firmware supplies the PCDP table, and you want to
120 If your firmware supplies the HCDP table, and you want to
152 under /sys/firmware/dmi when this option is enabled and
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