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/linux/drivers/gpu/drm/tegra/
A Dfalcon.c59 const struct firmware *firmware) in falcon_copy_firmware_image() argument
61 u32 *virt = falcon->firmware.virt; in falcon_copy_firmware_image()
109 err = request_firmware(&falcon->firmware.firmware, name, falcon->dev); in falcon_read_firmware()
113 falcon->firmware.size = falcon->firmware.firmware->size; in falcon_read_firmware()
120 const struct firmware *firmware = falcon->firmware.firmware; in falcon_load_firmware() local
133 release_firmware(firmware); in falcon_load_firmware()
134 falcon->firmware.firmware = NULL; in falcon_load_firmware()
141 falcon->firmware.virt = NULL; in falcon_init()
148 if (falcon->firmware.firmware) in falcon_exit()
149 release_firmware(falcon->firmware.firmware); in falcon_exit()
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/linux/drivers/firmware/
A D.built-in.a.cmd1 …firmware/built-in.a := echo >/dev/null; rm -f drivers/firmware/built-in.a; /usr/bin/ccache /home/t…
/linux/drivers/firmware/efi/libstub/
A D.lib.a.cmd1 …firmware/efi/libstub/lib.a := echo >/dev/null; rm -f drivers/firmware/efi/libstub/lib.a; /usr/bin/…
/linux/drivers/firmware/efi/
A D.built-in.a.cmd1 …firmware/efi/built-in.a := echo >/dev/null; rm -f drivers/firmware/efi/built-in.a; /usr/bin/ccache…
/linux/Documentation/ABI/stable/
A Dsysfs-driver-firmware-zynqmp1 What: /sys/devices/platform/firmware\:zynqmp-firmware/ggs*
17 # cat /sys/devices/platform/firmware\:zynqmp-firmware/ggs0
18 # echo <value> > /sys/devices/platform/firmware\:zynqmp-firmware/ggs0
22 # cat /sys/devices/platform/firmware\:zynqmp-firmware/ggs0
23 # echo 0x1234ABCD > /sys/devices/platform/firmware\:zynqmp-firmware/ggs0
27 What: /sys/devices/platform/firmware\:zynqmp-firmware/pggs*
46 # cat /sys/devices/platform/firmware\:zynqmp-firmware/pggs0
47 # echo <value> > /sys/devices/platform/firmware\:zynqmp-firmware/pggs0
51 # cat /sys/devices/platform/firmware\:zynqmp-firmware/pggs0
56 What: /sys/devices/platform/firmware\:zynqmp-firmware/shutdown_scope
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/linux/drivers/firmware/arm_scmi/
A D.built-in.a.cmd1 …firmware/arm_scmi/built-in.a := echo >/dev/null; rm -f drivers/firmware/arm_scmi/built-in.a; /usr/…
/linux/include/linux/
A Dfirmware.h12 struct firmware { struct
28 bool firmware_request_builtin(struct firmware *fw, const char *name);
30 static inline bool firmware_request_builtin(struct firmware *fw, in firmware_request_builtin()
38 int request_firmware(const struct firmware **fw, const char *name,
47 void (*cont)(const struct firmware *fw, void *context));
50 int request_firmware_into_buf(const struct firmware **firmware_p,
56 void release_firmware(const struct firmware *fw);
58 static inline int request_firmware(const struct firmware **fw, in request_firmware()
82 void (*cont)(const struct firmware *fw, void *context)) in request_firmware_nowait()
87 static inline void release_firmware(const struct firmware *fw) in release_firmware()
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/linux/Documentation/driver-api/firmware/
A Dfirmware_cache.rst5 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
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
24 Some implementation details about the firmware cache setup:
33 if the firmware file is not found.
37 device making the firmware request.
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A Drequest_firmware.rst5 You would typically load firmware and then load it into your device somehow.
6 The typical firmware work flow is reflected below::
12 Synchronous firmware requests
15 Synchronous firmware requests will wait until the firmware is found or until
43 Asynchronous firmware requests
46 Asynchronous firmware requests allow driver code to not have to wait
47 until the firmware or an error is returned. Function callbacks are
48 provided so that when the firmware or an error is found the driver is
64 firmware to be loaded.
71 request firmware API expected driver use
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A Dfallback-mechanisms.rst84 and a file upload firmware into:
90 you are loading firmware. You then write the firmware into the data file,
94 The firmware device used to help load firmware using sysfs is only created if
151 * FIRMWARE=firmware name
159 MY_FW_DIR=/lib/firmware/
179 also setup the firmware cache for firmware requests. As documented above,
192 The firmware fallback mechanism has a timeout. If firmware is not loaded
202 * /sys/class/firmware/timeout
243 drivers/firmware/efi/embedded-firmware.c wrapped in a #ifdef testing that
258 embedded-firmware.
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A Dbuilt-in-fw.rst2 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
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
25 * Some firmware may be optional
26 * Firmware upgrades are possible, therefore a new firmware would implicate
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/linux/Documentation/driver-api/nvdimm/
A Dfirmware-activate.rst7 Some persistent memory devices run a firmware locally on the device /
17 to advertise and control their local runtime firmware activation
25 No devices are set / armed to activate firmware
45 firmware activation without this hibernation cycle. The
47 firmware activation capability is detected.
52 firmware. A capability value of 'quiesce' indicates that firmware does
60 'nmemX/firmware/activate' and 'nmemX/firmware/result' attributes to
62 'ndbusX/firmware/activate' attribute, the 'nmemX/firmware/activate'
65 firmware staged + state set to armed, and 'ndbusX/firmware/activate' is
80 firmware image not being staged.
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/linux/drivers/base/firmware_loader/
A DKconfig13 o /lib/firmware/updates/UTS_RELEASE
14 o /lib/firmware/updates
15 o /lib/firmware/UTS_RELEASE
16 o /lib/firmware
20 need firmware.
38 kernel firmware files. Built-in firmware searches are preceded
50 /lib/firmware by default.
66 default "/lib/firmware"
78 firmware failed using the different /lib/firmware/ paths, or the
96 to listen for uvents to load firmware for the kernel. The firmware
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/linux/sound/pci/asihpi/
A Dhpidspcd.c18 const struct firmware *firmware; member
26 const struct firmware *firmware; in hpi_dsp_code_open() local
37 if (err || !firmware) { in hpi_dsp_code_open()
42 if (firmware->size < sizeof(header)) { in hpi_dsp_code_open()
46 memcpy(&header, firmware->data, sizeof(header)); in hpi_dsp_code_open()
50 || (header.size != firmware->size)) { in hpi_dsp_code_open()
53 header.size, firmware->size); in hpi_dsp_code_open()
79 dsp_code->pvt->firmware = firmware; in hpi_dsp_code_open()
86 release_firmware(firmware); in hpi_dsp_code_open()
96 release_firmware(dsp_code->pvt->firmware); in hpi_dsp_code_close()
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/linux/Documentation/ABI/testing/
A Dsysfs-firmware-efi-esrt1 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
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
37 Description: What kind of firmware entry this is:
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A Dsysfs-firmware-memmap1 What: /sys/firmware/memmap/
25 /sys/firmware/memmap/0
26 /sys/firmware/memmap/1
27 /sys/firmware/memmap/2
28 /sys/firmware/memmap/3
32 by the firmware. The order is just the order that the firmware
48 /sys/firmware/memmap/0/start
49 /sys/firmware/memmap/0/end
50 /sys/firmware/memmap/0/type
51 /sys/firmware/memmap/1/start
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A Dsysfs-firmware-gsmi1 What: /sys/firmware/gsmi
5 Some servers used internally at Google have firmware
19 /sys/firmware/gsmi/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.
38 /sys/firmware/gsmi/clear_config - write-only:
41 entire firmware configuration to be reset to
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/linux/drivers/gpu/drm/i915/gvt/
A Dfirmware.c81 void *firmware; in expose_firmware_sysfs() local
87 firmware = vzalloc(size); in expose_firmware_sysfs()
88 if (!firmware) in expose_firmware_sysfs()
91 h = firmware; in expose_firmware_sysfs()
122 vfree(firmware); in expose_firmware_sysfs()
147 vfree(gvt->firmware.mmio); in intel_gvt_free_firmware()
209 struct intel_gvt_firmware *firmware = &gvt->firmware; in intel_gvt_load_firmware() local
211 const struct firmware *fw; in intel_gvt_load_firmware()
226 firmware->cfg_space = mem; in intel_gvt_load_firmware()
231 kfree(firmware->cfg_space); in intel_gvt_load_firmware()
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/linux/Documentation/devicetree/bindings/arm/bcm/
A Draspberrypi,bcm2835-firmware.yaml7 title: Raspberry Pi VideoCore firmware driver
17 const: raspberrypi,bcm2835-firmware
25 - const: raspberrypi,bcm2835-firmware
36 const: raspberrypi,firmware-clocks
42 firmware messages.
53 const: raspberrypi,firmware-reset
69 const: raspberrypi,firmware-poe-pwm
89 firmware {
94 compatible = "raspberrypi,firmware-clocks";
99 compatible = "raspberrypi,firmware-reset";
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/linux/drivers/bluetooth/
A Dath3k.c206 const struct firmware *firmware) in ath3k_load_firmware() argument
211 int count = firmware->size; in ath3k_load_firmware()
275 const struct firmware *firmware) in ath3k_load_fwfile() argument
282 count = firmware->size; in ath3k_load_fwfile()
359 const struct firmware *firmware; in ath3k_load_patch() local
391 firmware->size - 8); in ath3k_load_patch()
403 release_firmware(firmware); in ath3k_load_patch()
412 const struct firmware *firmware; in ath3k_load_syscfg() local
454 release_firmware(firmware); in ath3k_load_syscfg()
462 const struct firmware *firmware; in ath3k_probe() local
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A Dbcm203x.c155 const struct firmware *firmware; in bcm203x_probe() local
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()
199 release_firmware(firmware); in bcm203x_probe()
208 BT_DBG("firmware data %p size %zu", firmware->data, firmware->size); in bcm203x_probe()
210 data->fw_data = kmemdup(firmware->data, firmware->size, GFP_KERNEL); in bcm203x_probe()
213 release_firmware(firmware); in bcm203x_probe()
219 data->fw_size = firmware->size; in bcm203x_probe()
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/linux/drivers/media/usb/as102/
A Das102_fw.c93 const struct firmware *firmware) { in as102_firmware_upload() argument
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
180 errno = request_firmware(&firmware, fw1, &dev->dev); in as102_fw_upload()
188 errno = as102_firmware_upload(bus_adap, cmd_buf, firmware); in as102_fw_upload()
197 release_firmware(firmware); in as102_fw_upload()
198 firmware = NULL; in as102_fw_upload()
204 errno = request_firmware(&firmware, fw2, &dev->dev); in as102_fw_upload()
212 errno = as102_firmware_upload(bus_adap, cmd_buf, firmware); in as102_fw_upload()
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/linux/drivers/net/wireless/marvell/libertas/
A Dfirmware.c16 const struct firmware *helper, const struct firmware *mainfw) in lbs_fw_loaded()
45 static void main_firmware_cb(const struct firmware *firmware, void *context) in main_firmware_cb() argument
49 if (!firmware) { in main_firmware_cb()
56 lbs_fw_loaded(priv, 0, priv->helper_fw, firmware); in main_firmware_cb()
61 release_firmware (firmware); in main_firmware_cb()
64 static void helper_firmware_cb(const struct firmware *firmware, void *context) in helper_firmware_cb() argument
68 if (!firmware) { in helper_firmware_cb()
76 priv->helper_fw = firmware; in helper_firmware_cb()
80 lbs_fw_loaded(priv, 0, firmware, NULL); in helper_firmware_cb()
174 const struct firmware **helper, in lbs_get_firmware()
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/linux/Documentation/networking/device_drivers/ethernet/netronome/
A Dnfp.rst33 load firmware from the host file system.
36 `linux-firmware.git` repository.
42 firmware from flash when the host driver gets probed. The firmware loading
56 firmware images targeting different applications.
62 $ tree /lib/firmware/netronome/
63 /lib/firmware/netronome/
88 Selecting firmware per device
96 nfp: Looking for firmware file in order of priority:
118 firmware makes the decision over which firmware will be loaded by comparing
119 versions of the flash firmware and the host supplied firmware.
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/linux/drivers/soc/fsl/qe/
A Dqe.c455 if (!firmware) { in qe_upload_firmware()
460 hdr = &firmware->header; in qe_upload_firmware()
477 if ((firmware->count < 1) || (firmware->count > MAX_QE_RISC)) { in qe_upload_firmware()
483 calc_size = struct_size(firmware, microcode, firmware->count); in qe_upload_firmware()
485 for (i = 0; i < firmware->count; i++) in qe_upload_firmware()
510 if (!firmware->split) in qe_upload_firmware()
513 if (firmware->soc.model) in qe_upload_firmware()
516 firmware->id, be16_to_cpu(firmware->soc.model), in qe_upload_firmware()
517 firmware->soc.major, firmware->soc.minor); in qe_upload_firmware()
520 firmware->id); in qe_upload_firmware()
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