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/Linux-v5.15/sound/soc/sof/intel/
DKconfig1 # SPDX-License-Identifier: GPL-2.0-only
6 This adds support for Sound Open Firmware for Intel(R) platforms.
15 This option is not user-selectable but automagically handled by
23 This option is not user-selectable but automagically handled by
35 This option is not user-selectable but automagically handled by
48 This adds support for Sound Open Firmware for Intel(R) platforms
53 Existing firmware/topology binaries and UCM configurations
67 This adds support for Sound Open Firmware for Intel(R) platforms
71 Existing firmware/topology binaries and UCM configurations typically
75 DMA and suspend-resume, this is not a recommended option for
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/Linux-v5.15/tools/testing/selftests/firmware/
Dfw_namespace.c1 // SPDX-License-Identifier: GPL-2.0
2 /* Test triggering of loading of firmware from different mount
3 * namespaces. Expect firmware to be always loaded from the mount
35 umount("/lib/firmware"); in die()
43 fd = open(sys_path, O_WRONLY); in trigger_fw()
45 die("open failed: %s\n", in trigger_fw()
57 fd = open(fw_path, O_WRONLY | O_CREAT, 0600); in setup_fw()
59 die("open failed: %s\n", in setup_fw()
61 if (write(fd, fw, sizeof(fw) -1) != sizeof(fw) -1) in setup_fw()
72 if (mount("test", "/lib/firmware", "tmpfs", MS_RDONLY, NULL) == -1) in test_fw_in_ns()
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/Linux-v5.15/Documentation/powerpc/
Dbooting.rst1 .. SPDX-License-Identifier: GPL-2.0
4 ------------------
9 bootloader <-> kernel interfaces, in order to avoid the degeneration that had
14 merged architecture for ppc32 and ppc64, new 32-bit platforms and 32-bit
19 of a device-tree whose format is defined after Open Firmware specification.
21 doesn't require the device-tree to represent every device in the system and only
41 a) Boot from Open Firmware. If your firmware is compatible
42 with Open Firmware (IEEE 1275) or provides an OF compatible
47 bindings to powerpc. Only the 32-bit client interface
54 extract the device-tree and other information from open
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/Linux-v5.15/Documentation/devicetree/bindings/pci/
Dpci.txt3 PCI Bus Binding to: IEEE Std 1275-1994
4 https://www.devicetree.org/open-firmware/bindings/pci/pci2_1.pdf
8 Open Firmware Recommended Practice: Interrupt Mapping
9 https://www.devicetree.org/open-firmware/practice/imap/imap0_9d.pdf
14 - linux,pci-domain:
21 - max-link-speed:
27 - reset-gpios:
30 - supports-clkreq:
34 not to advertise ASPM L1 Sub-States support if there is no CLKREQ signal.
36 PCI-PCI Bridge properties
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/Linux-v5.15/scripts/
Dget_dvb_firmware2 # SPDX-License-Identifier: GPL-2.0-or-later
3 # DVB firmware extractor
31 Firmware(s) $outfile extracted successfully.
32 Now copy it(them) to either /usr/lib/hotplug/firmware or /lib/firmware
33 (depending on configuration of firmware hotplug).
46 # ---------------------------------------------------------------
47 # Firmware-specific extraction subroutines
53 my $outfile = "dvb-fe-sp8870.fw";
71 my $outfile = "dvb-fe-sp887x.fw";
90 my $outfile = "dvb-fe-tda10045.fw";
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/Linux-v5.15/sound/soc/sof/imx/
DKconfig1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause)
8 This adds support for Sound Open Firmware for NXP i.MX platforms.
19 This option is not user-selectable but automagically handled by
25 This option is not user-selectable but automagically handled by
33 This adds support for Sound Open Firmware for NXP i.MX8 platforms.
42 This option is not user-selectable but automagically handled by
49 This adds support for Sound Open Firmware for NXP i.MX8M platforms.
58 This option is not user-selectable but automagically handled by
/Linux-v5.15/drivers/hid/i2c-hid/
DKconfig1 # SPDX-License-Identifier: GPL-2.0-only
12 This driver supports ACPI-based systems.
17 will be called i2c-hid-acpi. It will also build/depend on the
18 module i2c-hid.
21 tristate "HID over I2C transport layer Open Firmware driver"
27 This driver supports Open Firmware (Device Tree)-based systems.
32 will be called i2c-hid-of. It will also build/depend on the
33 module i2c-hid.
36 tristate "Driver for Goodix hid-i2c based devices on OF systems"
41 the i2c-hid protocol on Open Firmware (Device Tree)-based
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/Linux-v5.15/Documentation/arm/keystone/
Dknav-qmss.rst11 multi-core Navigator. QMSS consist of queue managers, packed-data structure
15 management of the packet queues. Packets are queued/de-queued by writing or
24 knav qmss driver provides a set of APIs to drivers to open/close qmss queues,
29 Documentation/devicetree/bindings/soc/ti/keystone-navigator-qmss.txt
31 Accumulator QMSS queues using PDSP firmware
33 The QMSS PDSP firmware support accumulator channel that can monitor a single
37 1 or 32 queues per channel. More description on the firmware is available in
40 git://git.ti.com/keystone-rtos/qmss-lld.git
42 k2_qmss_pdsp_acc48_k2_le_1_0_0_9.bin firmware supports upto 48 accumulator
43 channels. This firmware is available under ti-keystone folder of
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/Linux-v5.15/arch/powerpc/platforms/
DKconfig1 # SPDX-License-Identifier: GPL-2.0
37 bool "ePAPR para-virtualization support"
39 Enables ePAPR para-virtualization support for guests.
48 a hypervisor. This option is not user-selectable but should
52 bool "Support booting from Open Firmware or yaboot"
57 Support from booting from Open Firmware or yaboot using an
58 Open Firmware client interface. This enables the kernel to
59 communicate with open firmware to retrieve system information
65 bool "Device-tree based CPU feature discovery & setup"
71 binding if the firmware provides it. Currently only the skiboot
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/Linux-v5.15/sound/soc/sof/
DKconfig1 # SPDX-License-Identifier: GPL-2.0-only
3 bool "Sound Open Firmware Support"
5 This adds support for Sound Open Firmware (SOF). SOF is free and
6 generic open source audio DSP firmware for multiple devices.
21 For backwards-compatibility with previous configurations the selection will
22 be used as default for platform-specific drivers.
32 For backwards-compatibility with previous configurations the selection will
33 be used as default for platform-specific drivers.
103 This option enables strict ABI checks for firmware and topology
107 during topology creation or run-time usage if new functionality
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/Linux-v5.15/drivers/net/wireless/ath/ath10k/
Ddebug.c1 // SPDX-License-Identifier: ISC
3 * Copyright (c) 2005-2011 Atheros Communications Inc.
4 * Copyright (c) 2011-2017 Qualcomm Atheros, Inc.
12 #include <linux/firmware.h>
17 #include "wmi-ops.h"
33 dev_info(ar->dev, "%pV", &vaf); in ath10k_info()
41 const struct firmware *firmware; in ath10k_debug_print_hwfw_info() local
48 ar->hw_params.name, in ath10k_debug_print_hwfw_info()
49 ar->target_version, in ath10k_debug_print_hwfw_info()
50 ar->bus_param.chip_id, in ath10k_debug_print_hwfw_info()
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/Linux-v5.15/include/sound/
Dsoc-acpi.h1 /* SPDX-License-Identifier: GPL-2.0-only
3 * Copyright (C) 2013-15, Intel Corporation. All rights reserved.
21 /* codec name is used in DAIs is i2c-<HID>:00 with HID being 8 chars */
60 * @acpi_ipc_irq_index: used for BYT-CR detection
82 * snd_soc_acpi_endpoint - endpoint descriptor
85 * @group_position: zero-based order (only when @aggregated is 1)
86 * @group_id: platform-unique group identifier (only when @aggregrated is 1)
96 * snd_soc_acpi_adr_device - descriptor for _ADR-enumerated device
110 * snd_soc_acpi_link_adr - ACPI-based list of _ADR enumerated devices
116 * multi-drop configurations.
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/Linux-v5.15/drivers/staging/greybus/Documentation/firmware/
Dfirmware.c1 // SPDX-License-Identifier: (GPL-2.0 OR BSD-3-Clause)
3 * Sample code to test firmware-management protocol
19 #define FW_DEV_DEFAULT "/dev/gb-fw-mgmt-0"
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()
51 return -1; 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()
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/Linux-v5.15/arch/powerpc/include/uapi/asm/
Dnvram.h1 /* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */
16 #define NVRAM_SIG_OF 0x50 /* open firmware config */
17 #define NVRAM_SIG_FW 0x51 /* general firmware */
33 pmac_nvram_OF, /* Open Firmware partition */
/Linux-v5.15/Documentation/usb/
Dgadget_printer.rst14 This driver may be used if you are writing printer firmware using Linux as
24 This driver is structured for printer firmware that runs in user mode. The
25 user mode printer firmware will read and write data from the kernel mode
28 user space firmware can read or write this status byte using a device file
29 /dev/g_printer . Both blocking and non-blocking read/write calls are supported.
62 to put your firmware version here.
97 gcc prn_example.c -o prn_example
103 # prn_example -read_data
108 # cat data_file | prn_example -write_data
113 # prn_example -get_status
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/Linux-v5.15/drivers/net/wireless/ath/ath11k/
Ddebugfs.c1 // SPDX-License-Identifier: BSD-3-Clause-Clear
3 * Copyright (c) 2018-2020 The Linux Foundation. All rights reserved.
58 list_del(&i->list); in ath11k_fw_stats_pdevs_free()
68 list_del(&i->list); in ath11k_fw_stats_vdevs_free()
78 list_del(&i->list); in ath11k_fw_stats_bcn_free()
85 spin_lock_bh(&ar->data_lock); in ath11k_debugfs_fw_stats_reset()
86 ar->debug.fw_stats_done = false; in ath11k_debugfs_fw_stats_reset()
87 ath11k_fw_stats_pdevs_free(&ar->debug.fw_stats.pdevs); in ath11k_debugfs_fw_stats_reset()
88 ath11k_fw_stats_vdevs_free(&ar->debug.fw_stats.vdevs); in ath11k_debugfs_fw_stats_reset()
89 spin_unlock_bh(&ar->data_lock); in ath11k_debugfs_fw_stats_reset()
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/Linux-v5.15/drivers/bluetooth/
Dhci_ag6xx.c1 // SPDX-License-Identifier: GPL-2.0-or-later
12 #include <linux/firmware.h>
41 return -ENOMEM; in ag6xx_open()
43 skb_queue_head_init(&ag6xx->txq); in ag6xx_open()
45 hu->priv = ag6xx; in ag6xx_open()
51 struct ag6xx_data *ag6xx = hu->priv; in ag6xx_close()
55 skb_queue_purge(&ag6xx->txq); in ag6xx_close()
56 kfree_skb(ag6xx->rx_skb); in ag6xx_close()
59 hu->priv = NULL; in ag6xx_close()
65 struct ag6xx_data *ag6xx = hu->priv; in ag6xx_flush()
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/Linux-v5.15/drivers/base/
Dfirmware.c1 // SPDX-License-Identifier: GPL-2.0
3 * firmware.c - firmware subsystem hoohaw.
5 * Copyright (c) 2002-3 Patrick Mochel
6 * Copyright (c) 2002-3 Open Source Development Labs
7 * Copyright (c) 2007 Greg Kroah-Hartman <gregkh@suse.de>
22 firmware_kobj = kobject_create_and_add("firmware", NULL); in firmware_init()
24 return -ENOMEM; in firmware_init()
/Linux-v5.15/drivers/staging/rtl8192u/
Dr819xU_firmware.c1 // SPDX-License-Identifier: GPL-2.0
3 * Procedure: Init boot code/firmware code/data session
5 * Description: This routine will initialize firmware. If any error occurs during the initialization
12 * NDIS_STATUS_FAILURE - the following initialization process should be terminated
13 * NDIS_STATUS_SUCCESS - if firmware initialization process success
20 #include <linux/firmware.h>
25 rt_firmware *pfirmware = priv->pFirmware; in firmware_init_param()
27 pfirmware->cmdpacket_frag_threshold = GET_COMMAND_PACKET_FRAG_THRESHOLD(MAX_TRANSMIT_BUFFER_SIZE); in firmware_init_param()
43 rt_firmware *pfirmware = priv->pFirmware; in fw_download_code()
52 frag_threshold = pfirmware->cmdpacket_frag_threshold; in fw_download_code()
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/Linux-v5.15/arch/powerpc/boot/
Doflib.c1 // SPDX-License-Identifier: GPL-2.0-or-later
17 /* The following structure is used to communicate with open firmware.
89 rets[i-1] = be32_to_cpu(args.args[nargs+i]); in of_call_prom_ret()
109 static int need_map = -1;
119 if (oprom == (phandle) -1) in check_of_version()
123 version[sizeof(version)-1] = 0; in check_of_version()
125 if (!string_match(version, "Open Firmware, 1.") in check_of_version()
129 if (chosen == (phandle) -1) { in check_of_version()
131 if (chosen == (phandle) -1) { in check_of_version()
140 memory = of_call_prom("open", 1, 1, "/memory"); in check_of_version()
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/Linux-v5.15/Documentation/devicetree/
Dusage-model.rst1 .. SPDX-License-Identifier: GPL-2.0
17 The "Open Firmware Device Tree", or simply Devicetree (DT), is a data
44 ----------
45 The DT was originally created by Open Firmware as part of the
46 communication method for passing data from Open Firmware to a client
52 Since Open Firmware is commonly used on PowerPC and SPARC platforms,
56 In 2005, when PowerPC Linux began a major cleanup and to merge 32-bit
57 and 64-bit support, the decision was made to require DT support on all
58 powerpc platforms, regardless of whether or not they used Open
59 Firmware. To do this, a DT representation called the Flattened Device
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/Linux-v5.15/drivers/net/wireless/atmel/
Dat76c50x-usb.h1 /* SPDX-License-Identifier: GPL-2.0-or-later */
12 * Although the code was completely re-written,
14 * release an Open Source driver (unfortunately the firmware was
157 /* Length of Atmel-specific Rx header before 802.11 frame */
172 /* Length of Atmel-specific Tx header before 802.11 frame */
254 u8 desired_bsstype; /* ad-hoc or infrastructure */
336 __le32 board_type; /* firmware compatibility code */
337 u8 build; /* firmware build number */
338 u8 patch; /* firmware patch level */
339 u8 minor; /* firmware minor version */
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/Linux-v5.15/drivers/media/platform/sti/delta/
Ddelta-ipc.h1 /* SPDX-License-Identifier: GPL-2.0 */
14 * delta_ipc_open - open a decoding instance on firmware side
17 * @param: (in) open command parameters specific to decoder
43 * delta_ipc_set_stream - set information about stream to decoder
53 * delta_ipc_decode - frame decoding synchronous request, returns only
54 * after decoding completion on firmware side.
71 * delta_ipc_close - close decoding instance
/Linux-v5.15/arch/powerpc/platforms/pseries/
Dsetup.c1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * 64-bit pSeries and RS/6000 setup code.
48 #include <asm/pci-bridge.h>
58 #include <asm/ppc-pci.h>
62 #include <asm/firmware.h>
67 #include <asm/isa-bridge.h>
69 #include <asm/asm-const.h>
82 int CMO_PrPSP = -1;
83 int CMO_SecPSP = -1;
107 /* Initialize firmware assisted non-maskable interrupts if
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/Linux-v5.15/Documentation/firmware-guide/acpi/
Dacpi-lid.rst1 .. SPDX-License-Identifier: GPL-2.0
14 Platforms containing lids convey lid state (open/close) to OSPMs
67 firmware cannot make sure "opened"/"closed" events are paired, the ACPI
78 firmware implementation.
87 B. button.lid_init_state=open:
90 are paired fully relies on the firmware implementation.
111 firmware, the old userspace programs should still work. Otherwise, the

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