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/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
51 # cat /sys/devices/platform/firmware\:zynqmp-firmware/pggs0
56 What: /sys/devices/platform/firmware\:zynqmp-firmware/shutdown_scope
93 What: /sys/devices/platform/firmware\:zynqmp-firmware/health_status
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/linux/drivers/gpu/drm/tegra/
A Dfalcon.c67 const struct firmware *firmware) in falcon_copy_firmware_image() argument
69 u32 *virt = falcon->firmware.virt; in falcon_copy_firmware_image()
117 err = request_firmware(&falcon->firmware.firmware, name, falcon->dev); in falcon_read_firmware()
121 falcon->firmware.size = falcon->firmware.firmware->size; in falcon_read_firmware()
128 const struct firmware *firmware = falcon->firmware.firmware; in falcon_load_firmware() local
141 release_firmware(firmware); in falcon_load_firmware()
142 falcon->firmware.firmware = NULL; in falcon_load_firmware()
149 falcon->firmware.virt = NULL; in falcon_init()
156 if (falcon->firmware.firmware) in falcon_exit()
157 release_firmware(falcon->firmware.firmware); in falcon_exit()
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/linux/include/linux/
A Dfirmware.h13 struct firmware { struct
91 static inline bool firmware_request_builtin(struct firmware *fw, in firmware_request_builtin()
104 void (*cont)(const struct firmware *fw, void *context));
112 void (*cont)(const struct firmware *fw, void *context));
121 void release_firmware(const struct firmware *fw);
123 static inline int request_firmware(const struct firmware **fw, in request_firmware()
133 void (*cont)(const struct firmware *fw, void *context)) in firmware_request_nowait_nowarn()
155 void (*cont)(const struct firmware *fw, void *context)) in request_firmware_nowait()
160 static inline void release_firmware(const struct firmware *fw) in release_firmware()
178 (const struct firmware **firmware_p, in request_partial_firmware_into_buf()
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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 Dfirmware-usage-guidelines.rst6 firmware files to keep their hardware working. At the same time updated
7 firmware files must not cause any regressions for users of older kernel
10 Drivers that use firmware from linux-firmware should follow the rules in
11 this guide. (Where there is limited control of the firmware,
16 firmware ABI version changes. It is recommended that firmware files be
18 the firmware files in linux-firmware be named with some device
20 be stored in the firmware header, or as an exception, as part of the
21 firmware file name, in order to let the driver detact any non-ABI
22 fixes/changes. The firmware files in linux-firmware should be
24 version firmware shall remain compatible with all kernels that load
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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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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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/linux/Documentation/ABI/testing/
A Dsysfs-class-firmware1 What: /sys/class/firmware/.../data
6 firmware uploads. Cat a firmware image to this sysfs file
10 signal the lower-level driver that the firmware data is
13 What: /sys/class/firmware/.../cancel
23 What: /sys/class/firmware/.../error
37 What: /sys/class/firmware/.../loading
47 firmware data to the lower-level device driver.
49 What: /sys/class/firmware/.../remaining_size
62 What: /sys/class/firmware/.../status
70 What: /sys/class/firmware/.../timeout
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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/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/Documentation/devicetree/bindings/soc/fsl/cpm_qe/
A Dfsl,qe-firmware.yaml4 $id: http://devicetree.org/schemas/soc/fsl/cpm_qe/fsl,qe-firmware.yaml#
14 the purpose of passing the firmware from bootloader to the kernel, or from
17 The firmware node itself contains the firmware binary contents, a compatible
20 fsl,firmware-phandle property. Other QE nodes that need the same firmware
21 should define an fsl,firmware-phandle property that points to the firmware node
30 - fsl,qe-firmware
32 fsl,firmware:
39 - fsl,firmware
45 qe-firmware {
46 compatible = "fsl,qe-firmware";
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/linux/drivers/gpu/drm/i915/gvt/
A Dfirmware.c62 void *firmware; in expose_firmware_sysfs() local
68 firmware = vzalloc(size); in expose_firmware_sysfs()
69 if (!firmware) in expose_firmware_sysfs()
72 h = firmware; in expose_firmware_sysfs()
102 vfree(firmware); in expose_firmware_sysfs()
127 vfree(gvt->firmware.mmio); in intel_gvt_free_firmware()
189 struct intel_gvt_firmware *firmware = &gvt->firmware; in intel_gvt_load_firmware() local
191 const struct firmware *fw; in intel_gvt_load_firmware()
206 firmware->cfg_space = mem; in intel_gvt_load_firmware()
211 kfree(firmware->cfg_space); in intel_gvt_load_firmware()
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/linux/drivers/base/firmware_loader/
A DKconfig15 o /lib/firmware/updates/UTS_RELEASE
16 o /lib/firmware/updates
17 o /lib/firmware/UTS_RELEASE
18 o /lib/firmware
22 need firmware.
61 kernel firmware files. Built-in firmware searches are preceded
73 /lib/firmware by default.
91 default "/lib/firmware"
104 firmware failed using the different /lib/firmware/ paths, or the
122 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/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
37 const: raspberrypi,firmware-clocks
43 firmware messages.
55 const: raspberrypi,firmware-gpio
79 const: raspberrypi,firmware-reset
96 const: raspberrypi,firmware-poe-pwm
114 firmware {
124 compatible = "raspberrypi,firmware-gpio";
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/linux/include/linux/soc/qcom/
A Dmdt_loader.h12 struct firmware;
17 ssize_t qcom_mdt_get_size(const struct firmware *fw);
18 int qcom_mdt_pas_init(struct device *dev, const struct firmware *fw,
21 int qcom_mdt_load(struct device *dev, const struct firmware *fw,
26 int qcom_mdt_load_no_init(struct device *dev, const struct firmware *fw,
30 void *qcom_mdt_read_metadata(const struct firmware *fw, size_t *data_len,
35 static inline ssize_t qcom_mdt_get_size(const struct firmware *fw) in qcom_mdt_get_size()
40 static inline int qcom_mdt_pas_init(struct device *dev, const struct firmware *fw, in qcom_mdt_pas_init()
47 static inline int qcom_mdt_load(struct device *dev, const struct firmware *fw, in qcom_mdt_load()
56 const struct firmware *fw, in qcom_mdt_load_no_init()
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/linux/drivers/bluetooth/
A Dbcm203x.c154 const struct firmware *firmware; in bcm203x_probe() local
181 BT_DBG("minidrv data %p size %zu", firmware->data, firmware->size); in bcm203x_probe()
183 size = max_t(uint, firmware->size, 4096); in bcm203x_probe()
188 release_firmware(firmware); in bcm203x_probe()
193 memcpy(data->buffer, firmware->data, firmware->size); in bcm203x_probe()
198 release_firmware(firmware); in bcm203x_probe()
207 BT_DBG("firmware data %p size %zu", firmware->data, firmware->size); in bcm203x_probe()
209 data->fw_data = kmemdup(firmware->data, firmware->size, GFP_KERNEL); in bcm203x_probe()
212 release_firmware(firmware); in bcm203x_probe()
218 data->fw_size = firmware->size; in bcm203x_probe()
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A Dath3k.c203 const struct firmware *firmware) in ath3k_load_firmware() argument
208 int count = firmware->size; in ath3k_load_firmware()
272 const struct firmware *firmware) in ath3k_load_fwfile() argument
279 count = firmware->size; in ath3k_load_fwfile()
356 const struct firmware *firmware; in ath3k_load_patch() local
388 firmware->size - 8); in ath3k_load_patch()
400 release_firmware(firmware); in ath3k_load_patch()
409 const struct firmware *firmware; in ath3k_load_syscfg() local
450 release_firmware(firmware); in ath3k_load_syscfg()
458 const struct firmware *firmware; in ath3k_probe() local
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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()
[all …]
/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/devicetree/bindings/soc/fsl/cpm_qe/qe/
A Dfirmware.txt1 * Uploaded QE firmware
3 If a new firmware has been uploaded to the QE (usually by the
4 boot loader), then a 'firmware' child node should be added to the QE
5 node. This node provides information on the uploaded firmware that
9 - id: The string name of the firmware. This is taken from the 'id'
10 member of the qe_firmware structure of the uploaded firmware.
12 firmware they want is already present.
14 firmware binary. It is a 64-bit number represented
16 - virtual-traps: The virtual traps, taken from the firmware binary.
20 firmware {
/linux/Documentation/networking/device_drivers/ethernet/meta/
A Dfbnic.rst13 1. fw - The control firmware used to view and modify firmware settings, request
14 firmware actions, and retrieve firmware counters outside of the data path.
15 This is the firmware which fbnic_fw.c interacts with.
16 2. bootloader - The firmware which validate firmware security and control basic
17 operations including loading and updating the firmware. This is also known
18 as the cmrt firmware.
22 to fall back to an older version of firmware automatically in case firmware

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