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/linux/Documentation/devicetree/bindings/arm/bcm/
H A Draspberrypi,bcm2835-firmware.yaml1 # SPDX-License-Identifier: GPL-2.0
3 ---
4 $id: http://devicetree.org/schemas/arm/bcm/raspberrypi,bcm2835-firmware.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Raspberry Pi VideoCore firmware driver
10 - Eric Anholt <eric@anholt.net>
11 - Stefan Wahren <wahrenst@gmx.net>
17 const: raspberrypi,bcm2835-firmware
20 - compatible
25 - const: raspberrypi,bcm2835-firmware
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/linux/Documentation/devicetree/bindings/firmware/xilinx/
H A Dxlnx,zynqmp-firmware.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/firmware/xilinx/xlnx,zynqmp-firmware.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Xilinx firmware driver
10 - Nava kishore Manne <nava.kishore.manne@amd.com>
12 description: The zynqmp-firmware node describes the interface to platform
13 firmware. ZynqMP has an interface to communicate with secure firmware.
14 Firmware driver provides an interface to firmware APIs. Interface APIs
23 - description: For implementations complying for Zynq Ultrascale+ MPSoC.
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/linux/drivers/reset/
H A Dreset-raspberrypi.c1 // SPDX-License-Identifier: GPL-2.0
3 * Raspberry Pi 4 firmware reset driver
12 #include <linux/reset-controller.h>
13 #include <soc/bcm2835/raspberrypi-firmware.h>
14 #include <dt-bindings/reset/raspberrypi,firmware-reset.h>
36 * PCIe chip that implements xHCI. After a PCI reset, VL805's in rpi_reset_reset()
37 * firmware may either be loaded directly from an EEPROM or, if in rpi_reset_reset()
38 * not present, by the SoC's co-processor, VideoCore. rpi's in rpi_reset_reset()
39 * VideoCore OS contains both the non public firmware load in rpi_reset_reset()
40 * logic and the VL805 firmware blob. This triggers the in rpi_reset_reset()
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/linux/drivers/firmware/efi/
H A Dcapsule.c1 // SPDX-License-Identifier: GPL-2.0
25 static int efi_reset_type = -1;
34 * efi_capsule_pending - has a capsule been passed to the firmware?
35 * @reset_type: store the type of EFI reset if capsule is pending
38 * firmware we need to perform a specific type of reset. If a capsule is
39 * pending return the reset type in @reset_type.
47 * A non-racy use is from platform reboot code because we use
48 * system_state to ensure no capsules can be sent to the firmware once
74 * efi_capsule_supported - does the firmware support the capsule?
78 * @reset: the reset type required for this capsule
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/linux/Documentation/ABI/stable/
H A Dsysfs-driver-firmware-zynqmp1 What: /sys/devices/platform/firmware\:zynqmp-firmware/ggs*
11 The register is reset during system or power-on
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*
38 This register is only reset by the power-on reset
39 and maintains its value through a system reset.
42 Register is reset only by a POR reset.
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/linux/drivers/media/platform/samsung/s5p-mfc/
H A Ds5p_mfc_ctrl.c1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * linux/drivers/media/platform/samsung/s5p-mfc/s5p_mfc_ctrl.c
11 #include <linux/firmware.h>
22 /* Allocate memory for firmware */
25 struct s5p_mfc_priv_buf *fw_buf = &dev->fw_buf; in s5p_mfc_alloc_firmware()
28 fw_buf->size = dev->variant->buf_size->fw; in s5p_mfc_alloc_firmware()
30 if (fw_buf->virt) { in s5p_mfc_alloc_firmware()
31 mfc_err("Attempting to allocate firmware when it seems that it is already loaded\n"); in s5p_mfc_alloc_firmware()
32 return -ENOMEM; in s5p_mfc_alloc_firmware()
35 err = s5p_mfc_alloc_priv_buf(dev, BANK_L_CTX, &dev->fw_buf); in s5p_mfc_alloc_firmware()
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/linux/drivers/scsi/snic/
H A Dsnic_stats.h1 /* SPDX-License-Identifier: GPL-2.0-only */
29 atomic64_t fw_tmo; /* Abort Firmware Timeouts */
35 atomic64_t dev_resets; /* Device Reset Counter */
36 atomic64_t dev_reset_fail; /* Device Reset Failures */
37 atomic64_t dev_reset_aborts; /* Device Reset Aborts */
38 atomic64_t dev_reset_tmo; /* Device Reset Timeout */
39 atomic64_t dev_reset_terms; /* Device Reset terminate */
40 atomic64_t hba_resets; /* hba/firmware resets */
41 atomic64_t hba_reset_cmpl; /* hba/firmware reset completions */
42 atomic64_t hba_reset_fail; /* hba/firmware failures */
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H A Dsnic_fwint.h1 /* SPDX-License-Identifier: GPL-2.0-only */
20 SNIC_REQ_HBA_RESET, /* SNIC Reset */
31 SNIC_RSP_HBA_RESET_CMPL, /* SNIC Reset Completion */
44 * Header status codes from firmware
81 * snic_io_hdr : host <--> firmware
83 * for any other message that will be queued to firmware should
103 hdr->type = typ; in snic_io_hdr_enc()
104 hdr->status = status; in snic_io_hdr_enc()
105 hdr->protocol = 0; in snic_io_hdr_enc()
106 hdr->hid = cpu_to_le32(hid); in snic_io_hdr_enc()
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/linux/drivers/hid/intel-ish-hid/
H A Dishtp-fw-loader.c1 // SPDX-License-Identifier: GPL-2.0
3 * ISH-TP client driver for ISH firmware loading
8 #include <linux/firmware.h>
11 #include <linux/intel-ish-client-if.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
33 * enum ish_loader_commands - ISH loader host commands.
34 * @LOADER_CMD_XFER_QUERY: Query the Shim firmware loader for
36 * @LOADER_CMD_XFER_FRAGMENT: Transfer one firmware image fragment at a
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/linux/Documentation/networking/devlink/
H A Ddevlink-flash.rst1 .. SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
9 The ``devlink-flash`` API allows updating device firmware. It replaces the
10 older ``ethtool-flash`` mechanism, and doesn't require taking any
13 $ devlink dev flash pci/0000:05:00.0 file flash-boot.bin
15 Note that the file name is a path relative to the firmware loading path
16 (usually ``/lib/firmware/``). Drivers may send status updates to inform
22 The ``devlink-flash`` command allows optionally specifying a mask indicating
26 .. list-table:: List of overwrite mask bits
29 * - Name
30 - Description
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H A Ddevlink-params.rst1 .. SPDX-License-Identifier: GPL-2.0
8 level device functionality. Since devlink can operate at the device-wide
22 .. list-table:: Possible configuration modes
25 * - Name
26 - Description
27 * - ``runtime``
28 - set while the driver is running, and takes effect immediately. No
29 reset is required.
30 * - ``driverinit``
31 - applied while the driver initializes. Requires the user to restart
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H A Ddevlink-reload.rst1 .. SPDX-License-Identifier: GPL-2.0
7 ``devlink-reload`` provides mechanism to reinit driver entities, applying
8 ``devlink-params`` and ``devlink-resources`` new values. It also provides
9 mechanism to activate firmware.
17 .. list-table:: Possible reload actions
20 * - Name
21 - Description
22 * - ``driver-reinit``
23 - Devlink driver entities re-initialization, including applying
27 * ``devlink-params`` in configuration mode ``driverinit``
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/linux/Documentation/sound/codecs/
H A Dcs35l56.rst1 .. SPDX-License-Identifier: GPL-2.0-only
14 The high-level summary of this document is:
17 working, DO NOT ATTEMPT TO USE FIRMWARE AND SETTINGS FROM ANOTHER LAPTOP,
30 ---------------------------------
44 Firmware chapter
47 The amplifier is controlled and managed by firmware running on the internal
48 DSP. Firmware files are essential to enable the full capabilities of the
51 Firmware is distributed in the linux-firmware repository:
52 https://gitlab.com/kernel-firmware/linux-firmware.git
65 the firmware is *mandatory* to enable receiving the audio from the CS42L43.
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/linux/drivers/usb/misc/
H A Demi26.c1 // SPDX-License-Identifier: GPL-2.0
3 * Emagic EMI 2|6 usb audio interface firmware loader.
15 #include <linux/firmware.h>
18 #define EMI26_VENDOR_ID 0x086a /* Emagic Soft-und Hardware GmBH */
19 #define EMI26_PRODUCT_ID 0x0100 /* EMI 2|6 without firmware */
20 #define EMI26B_PRODUCT_ID 0x0102 /* EMI 2|6 without firmware */
23 #define ANCHOR_LOAD_EXTERNAL 0xA3 /* This command is not implemented in the core. Requires firmware…
24 #define ANCHOR_LOAD_FPGA 0xA5 /* This command is not implemented in the core. Requires firmware. Em…
26 #define CPUCS_REG 0x7F92 /* EZ-USB Control and Status Register. Bit 0 controls 8051 reset */
46 dev_err(&dev->dev, "kmalloc(%d) failed.\n", length); in emi26_writememory()
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H A Demi62.c1 // SPDX-License-Identifier: GPL-2.0
3 * Emagic EMI 2|6 usb audio interface firmware loader.
13 #include <linux/firmware.h>
16 /* include firmware (variables)*/
28 #define EMI62_VENDOR_ID 0x086a /* Emagic Soft-und Hardware GmBH */
29 #define EMI62_PRODUCT_ID 0x0110 /* EMI 6|2m without firmware */
32 #define ANCHOR_LOAD_EXTERNAL 0xA3 /* This command is not implemented in the core. Requires firmware…
33 #define ANCHOR_LOAD_FPGA 0xA5 /* This command is not implemented in the core. Requires firmware. Em…
35 #define CPUCS_REG 0x7F92 /* EZ-USB Control and Status Register. Bit 0 controls 8051 reset */
55 dev_err(&dev->dev, "kmalloc(%d) failed.\n", length); in emi62_writememory()
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/linux/drivers/gpu/drm/tegra/
H A Dnvdec.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * Copyright (c) 2015-2022, NVIDIA Corporation.
8 #include <linux/dma-mapping.h>
16 #include <linux/reset.h>
29 const char *firmware; member
45 struct reset_control *reset; member
50 /* RISC-V specific data */
63 writel(value, nvdec->regs + offset); in nvdec_writel()
71 if (nvdec->config->supports_sid && tegra_dev_iommu_get_stream_id(nvdec->dev, &stream_id)) { in nvdec_boot_falcon()
81 err = falcon_boot(&nvdec->falcon); in nvdec_boot_falcon()
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/linux/Documentation/devicetree/bindings/gpu/host1x/
H A Dnvidia,tegra234-nvdec.yaml1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/gpu/host1x/nvidia,tegra234-nvdec.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
15 - Thierry Reding <treding@gmail.com>
16 - Mikko Perttunen <mperttunen@nvidia.com>
20 pattern: "^nvdec@[0-9a-f]*$"
24 - nvidia,tegra234-nvdec
32 clock-names:
34 - const: nvdec
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/linux/drivers/infiniband/hw/hfi1/
H A Dfirmware.c1 // SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause
3 * Copyright(c) 2015 - 2017 Intel Corporation.
6 #include <linux/firmware.h>
15 * Make it easy to toggle firmware file name and if it gets loaded by
39 /* Firmware file names get set in hfi1_firmware_init() based on the above */
51 * Firmware security header.
89 u8 firmware[]; member
99 u8 firmware[]; member
103 #define AUGMENT_SIZE (sizeof(struct augmented_firmware_file) - \
108 const struct firmware *fw;
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/linux/drivers/mfd/
H A Dcs42l43.c1 // SPDX-License-Identifier: GPL-2.0
5 * Copyright (C) 2022-2023 Cirrus Logic, Inc. and
15 #include <linux/firmware.h>
20 #include <linux/mfd/cs42l43-regs.h>
441 #define CS42L43_IRQ_OFFSET(reg) ((CS42L43_##reg##_INT) - CS42L43_DECIM_INT)
510 "vdd-a", "vdd-io", "vdd-cp",
513 static const char * const cs42l43_parent_supplies[] = { "vdd-amp" };
516 { .name = "cs42l43-pinctrl", },
517 { .name = "cs42l43-spi", },
519 .name = "cs42l43-codec",
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/linux/arch/arm/boot/dts/broadcom/
H A Dbcm2711-rpi.dtsi1 // SPDX-License-Identifier: GPL-2.0
2 #include "bcm2835-rpi.dtsi"
4 #include <dt-bindings/reset/raspberrypi,firmware-reset.h>
20 i2c0mux: i2c-mux0 {
21 compatible = "i2c-mux-pinctrl";
22 #address-cells = <1>;
23 #size-cells = <0>;
25 i2c-parent = <&i2c0>;
27 pinctrl-names = "i2c0", "i2c0-vc";
28 pinctrl-0 = <&i2c0_gpio0>;
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/linux/drivers/watchdog/
H A Dziirave_wdt.c1 // SPDX-License-Identifier: GPL-2.0-or-later
15 #include <linux/firmware.h>
60 /* Firmware commands */
92 "Watchdog reset pulse duration in milliseconds");
108 rev->major = ret; in ziirave_wdt_revision()
114 rev->minor = ret; in ziirave_wdt_revision()
121 struct i2c_client *client = to_i2c_client(wdd->parent); in ziirave_wdt_set_state()
138 struct i2c_client *client = to_i2c_client(wdd->parent); in ziirave_wdt_ping()
147 struct i2c_client *client = to_i2c_client(wdd->parent); in ziirave_wdt_set_timeout()
152 wdd->timeout = timeout; in ziirave_wdt_set_timeout()
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/linux/drivers/net/ethernet/sfc/falcon/
H A Dqt202x_phy.c1 // SPDX-License-Identifier: GPL-2.0-only
4 * Copyright 2006-2012 Solarflare Communications Inc.
27 /* Quake-specific MDIO registers */
78 /* Wait for firmware heartbeat to start */ in qt2025c_wait_heartbeat()
85 ((1 << PCS_FW_HEARTB_WIDTH) - 1)); in qt2025c_wait_heartbeat()
92 * PHY's on-board EEPROM so it cannot load firmware */ in qt2025c_wait_heartbeat()
93 netif_err(efx, hw, efx->net_dev, in qt2025c_wait_heartbeat()
97 return -ETIMEDOUT; in qt2025c_wait_heartbeat()
110 /* Wait for firmware status to look good */ in qt2025c_wait_fw_status_good()
116 ((1 << PCS_UC_STATUS_WIDTH) - 1) << PCS_UC_STATUS_LBN) >= in qt2025c_wait_fw_status_good()
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/linux/drivers/scsi/csiostor/
H A Dcsio_hw.c4 * Copyright (c) 2008-2012 Chelsio Communications, Inc. All rights reserved.
16 * - Redistributions of source code must retain the above
20 * - Redistributions in binary form must reproduce the above
37 #include <linux/firmware.h>
64 {"T580-Dbg 10G", "Chelsio T580-Dbg 10G [FCoE]"},
65 {"T520-CR 10G", "Chelsio T520-CR 10G [FCoE]"},
66 {"T522-CR 10G/1G", "Chelsio T522-CR 10G/1G [FCoE]"},
67 {"T540-CR 10G", "Chelsio T540-CR 10G [FCoE]"},
68 {"T520-BCH 10G", "Chelsio T520-BCH 10G [FCoE]"},
69 {"T540-BCH 10G", "Chelsio T540-BCH 10G [FCoE]"},
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/linux/Documentation/networking/device_drivers/ethernet/netronome/
H A Dnfp.rst1 .. SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
14 - `Overview`_
15 - `Acquiring Firmware`_
16 - `Devlink Info`_
17 - `Configure Device`_
18 - `Statistics`_
25 are also incorporated in the companies' family of Agilio SmartNICs. The SR-IOV
28 Acquiring Firmware
31 The NFP3800, NFP4000 and NFP6000 devices require application specific firmware
32 to function. Application firmware can be located either on the host file system
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/linux/Documentation/devicetree/bindings/tpm/
H A Dtpm-common.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/tpm/tpm-common.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Lukas Wunner <lukas@wunner.de>
14 pattern: '^tpm(@[0-9a-f]+)?$'
23 linux,sml-base:
25 base address of reserved memory allocated for firmware event log
28 linux,sml-size:
30 size of reserved memory allocated for firmware event log
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