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/linux/drivers/usb/typec/ucsi/
H A Ddisplayport.c1 // SPDX-License-Identifier: GPL-2.0
26 bool initialized; member
45 * -EOPNOTSUPP.
51 struct ucsi *ucsi = dp->con->ucsi; in ucsi_displayport_enter()
57 mutex_lock(&dp->con->lock); in ucsi_displayport_enter()
59 if (!dp->override && dp->initialized) { in ucsi_displayport_enter()
62 dev_warn(&p->dev, in ucsi_displayport_enter()
63 "firmware doesn't support alternate mode overriding\n"); in ucsi_displayport_enter()
64 ret = -EOPNOTSUPP; in ucsi_displayport_enter()
68 command = UCSI_GET_CURRENT_CAM | UCSI_CONNECTOR_NUMBER(dp->con->num); in ucsi_displayport_enter()
[all …]
/linux/drivers/net/wireless/broadcom/brcm80211/brcmfmac/
H A Dcommon.h1 // SPDX-License-Identifier: ISC
16 * The mp_global is instantiated once in a global struct and gets initialized
19 * of the drvr struct and should be initialized on every brcmf_attach.
23 * struct brcmf_mp_global_t - Global module paramaters.
25 * @firmware_path: Alternative firmware path.
34 * struct brcmf_mp_device - Device module paramaters.
39 * @roamoff: Firmware roaming off?
41 * @trivial_ccode_map: Assume firmware uses ISO3166 country codes with rev 0
/linux/drivers/gpu/drm/i915/display/
H A Dintel_dmc.c26 #include <linux/firmware.h>
36 * DOC: DMC Firmware Support
40 * low-power state and comes back to normal.
43 …NTEL_DMC_FIRMWARE_URL "https://git.kernel.org/pub/scm/linux/kernel/git/firmware/linux-firmware.git"
75 return display->dmc.dmc; in display_to_dmc()
80 const char *p = display->params.dmc_firmware_path; in dmc_firmware_param()
170 struct drm_i915_private *i915 = to_i915(display->drm); in dmc_firmware_default()
235 #define PIPE_TO_DMC_ID(pipe) (DMC_FW_PIPEA + ((pipe) - PIPE_A))
290 /* Sub-stepping (0, 1, ..., *). * is a wildcard */
326 /* Firmware program size (excluding header) in dwords */
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/linux/drivers/media/usb/dvb-usb/
H A Ddvb-usb.h1 /* SPDX-License-Identifier: GPL-2.0 */
2 /* dvb-usb.h is part of the DVB USB library.
4 * Copyright (C) 2004-6 Patrick Boettcher (patrick.boettcher@posteo.de)
5 * see dvb-usb-init.c for copyright information.
7 * the headerfile, all dvb-usb-drivers have to include.
9 * TODO: clean-up the structures for unused fields and update the comments
16 #include <linux/firmware.h>
18 #include <media/rc-core.h>
25 #include "dvb-pll.h"
27 #include <media/dvb-usb-ids.h>
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/linux/drivers/media/dvb-frontends/
H A Dor51211.c1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * Support for OR51211 (pcHDTV HD-2000) - VSB
14 * This driver needs external firmware. Please use the command
16 * download/extract it, and then copy it to /usr/lib/hotplug/firmware
17 * or /lib/firmware (depending on configuration of firmware hotplug).
19 #define OR51211_DEFAULT_FIRMWARE "dvb-fe-or51211.fw"
24 #include <linux/firmware.h>
51 u8 initialized:1; member
68 if ((err = i2c_transfer (state->i2c, &msg, 1)) != 1) { in i2c_writebytes()
70 return -EREMOTEIO; in i2c_writebytes()
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H A Dsi2168.c1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * Silicon Labs Si2168 DVB-T/T2/C demodulator driver
16 memcpy(cmd->args, buf, wlen); in cmd_init()
17 cmd->wlen = wlen; in cmd_init()
18 cmd->rlen = rlen; in cmd_init()
21 /* execute firmware command */
28 mutex_lock(&dev->i2c_mutex); in si2168_cmd_execute()
30 if (cmd->wlen) { in si2168_cmd_execute()
31 /* write cmd and args for firmware */ in si2168_cmd_execute()
32 ret = i2c_master_send(client, cmd->args, cmd->wlen); in si2168_cmd_execute()
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H A Dsi2168_priv.h1 /* SPDX-License-Identifier: GPL-2.0-or-later */
3 * Silicon Labs Si2168 DVB-T/T2/C demodulator driver
13 #include <linux/firmware.h>
14 #include <linux/i2c-mux.h>
17 #define SI2168_A20_FIRMWARE "dvb-demod-si2168-a20-01.fw"
18 #define SI2168_A30_FIRMWARE "dvb-demod-si2168-a30-01.fw"
19 #define SI2168_B40_FIRMWARE "dvb-demod-si2168-b40-01.fw"
20 #define SI2168_D60_FIRMWARE "dvb-demod-si2168-d60-01.fw"
39 unsigned int initialized:1; member
45 /* firmware command struct */
/linux/drivers/net/wireless/silabs/wfx/
H A Dfwio.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * Firmware loading.
5 * Copyright (c) 2017-2020, Silicon Laboratories, Inc.
6 * Copyright (c) 2010, ST-Ericsson
8 #include <linux/firmware.h>
67 [ERR_AES_CTRL_KEY] = "AES control key not initialized",
68 [ERR_ECC_PUB_KEY] = "ECC public key not initialized",
69 [ERR_MAC_KEY] = "MAC key not initialized",
78 * NOTE: it may also be possible to use 'pages' from struct firmware and avoid bounce buffer
88 return -ENOMEM; in wfx_sram_write_dma_safe()
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/linux/drivers/gpu/drm/imagination/
H A Dpvr_device.c1 // SPDX-License-Identifier: GPL-2.0-only OR MIT
21 #include <linux/dma-mapping.h>
23 #include <linux/firmware.h>
33 /* Major number for the supported version of the firmware. */
37 * pvr_device_reg_init() - Initialize kernel access to a PowerVR device's
41 * Sets struct pvr_device->regs.
55 struct platform_device *plat_dev = to_platform_device(drm_dev->dev); in pvr_device_reg_init()
59 pvr_dev->regs_resource = NULL; in pvr_device_reg_init()
60 pvr_dev->regs = NULL; in pvr_device_reg_init()
64 return dev_err_probe(drm_dev->dev, PTR_ERR(regs), in pvr_device_reg_init()
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/linux/Documentation/devicetree/bindings/pci/
H A Dhost-generic-pci.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/pci/host-generic-pci.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Will Deacon <will@kernel.org>
13 Firmware-initialised PCI host controllers and PCI emulations, such as the
14 virtio-pci implementations found in kvmtool and other para-virtualised
21 Configuration Space is assumed to be memory-mapped (as opposed to being
26 For CAM, this 24-bit offset is:
41 - description:
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/linux/Documentation/driver-api/mei/
H A Dmei.rst1 .. SPDX-License-Identifier: GPL-2.0
7 resource (Co-processor) residing inside certain Intel chipsets. The Intel ME
18 each client has its own protocol. The protocol is message-based with a
34 The driver is transparent to data that are passed between firmware feature
50 .. code-block:: C
83 -------------------------
84 Connect to firmware Feature/Client.
86 .. code-block:: none
96 struct mei_connect_client_data - contain the following
99 in_client_uuid - GUID of the FW Feature that needs
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/linux/Documentation/arch/arm/
H A Dfirmware.rst2 Interface for registering and calling firmware-specific operations for ARM
7 Some boards are running with secure firmware running in TrustZone secure
8 world, which changes the way some things have to be initialized. This makes
9 a need to provide an interface for such platforms to specify available firmware
12 Firmware operations can be specified by filling in a struct firmware_ops
18 The ops pointer must be non-NULL. More information about struct firmware_ops
19 and its members can be found in arch/arm/include/asm/firmware.h header.
22 set anything if platform does not require firmware operations.
24 To call a firmware operation, a helper macro is provided::
27 ((firmware_ops->op) ? firmware_ops->op(__VA_ARGS__) : (-ENOSYS))
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/linux/Documentation/ABI/testing/
H A Dsysfs-class-firmware1 What: /sys/class/firmware/.../data
5 Description: The data sysfs file is used for firmware-fallback and for
6 firmware uploads. Cat a firmware image to this sysfs file
7 after you echo 1 to the loading sysfs file. When the firmware
9 sequence will signal the completion of the firmware write and
10 signal the lower-level driver that the firmware data is
13 What: /sys/class/firmware/.../cancel
17 Description: Write-only. For firmware uploads, write a "1" to this file to
18 request that the transfer of firmware data to the lower-level
21 progress) or (ENODEV) if there is no firmware update in progress.
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/linux/drivers/soc/fsl/qe/
H A Dqe.c1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * Copyright (C) 2006-2010 Freescale Semiconductor, Inc. All rights reserved.
50 static phys_addr_t qebase = -1;
72 if (qebase != -1) in get_qe_base()
113 iowrite32be((u32)(cmd | QE_CR_FLG), &qe_immr->cp.cecr); in qe_issue_cmd()
116 /* Here device is the SNUM, not sub-block */ in qe_issue_cmd()
130 iowrite32be(cmd_input, &qe_immr->cp.cecdr); in qe_issue_cmd()
132 &qe_immr->cp.cecr); in qe_issue_cmd()
136 ret = readx_poll_timeout_atomic(ioread32be, &qe_immr->cp.cecr, val, in qe_issue_cmd()
138 /* On timeout, ret is -ETIMEDOUT, otherwise it will be 0. */ in qe_issue_cmd()
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/linux/drivers/gpu/drm/amd/amdgpu/
H A Damdgpu_psp.c26 #include <linux/firmware.h>
58 struct amdgpu_device *adev = psp->adev; in psp_ring_init()
60 ring = &psp->km_ring; in psp_ring_init()
62 ring->ring_type = ring_type; in psp_ring_init()
65 ring->ring_size = 0x1000; in psp_ring_init()
66 ret = amdgpu_bo_create_kernel(adev, ring->ring_size, PAGE_SIZE, in psp_ring_init()
69 &adev->firmware.rbuf, in psp_ring_init()
70 &ring->ring_mem_mc_addr, in psp_ring_init()
71 (void **)&ring->ring_mem); in psp_ring_init()
73 ring->ring_size = 0; in psp_ring_init()
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/linux/drivers/scsi/qla4xxx/
H A Dql4_init.c1 // SPDX-License-Identifier: GPL-2.0-only
4 * Copyright (c) 2003-2013 QLogic Corporation
19 spin_lock_irqsave(&ha->hardware_lock, flags); in ql4xxx_set_mac_number()
20 value = readw(&ha->reg->ctrl_status); in ql4xxx_set_mac_number()
21 spin_unlock_irqrestore(&ha->hardware_lock, flags); in ql4xxx_set_mac_number()
25 ha->mac_index = 1; in ql4xxx_set_mac_number()
28 ha->mac_index = 3; in ql4xxx_set_mac_number()
32 "ispControlStatus = 0x%x\n", ha->host_no, in ql4xxx_set_mac_number()
36 DEBUG2(printk("scsi%ld: %s: mac_index %d.\n", ha->host_no, __func__, in ql4xxx_set_mac_number()
37 ha->mac_index)); in ql4xxx_set_mac_number()
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/linux/drivers/crypto/ccp/
H A Dsev-dev.c1 // SPDX-License-Identifier: GPL-2.0-only
23 #include <linux/firmware.h>
30 #include <linux/amd-iommu.h>
37 #include "psp-dev.h"
38 #include "sev-dev.h"
44 /* Minimum firmware version required for the SEV-SNP support */
49 * Maximum number of firmware-writable buffers that might be specified
54 /* Leave room in the descriptor array for an end-of-list indicator. */
74 …sp_init_on_probe, " if true, the PSP will be initialized on module init. Else the PSP will be ini…
89 * When SEV-SNP is enabled the TMR needs to be 2MB aligned and 2MB sized.
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/linux/drivers/cpuidle/
H A Ddt_idle_states.c1 // SPDX-License-Identifier: GPL-2.0-only
9 #define pr_fmt(fmt) "DT idle-states: " fmt
32 idle_state->enter = match_id->data; in init_state_node()
38 idle_state->enter_s2idle = match_id->data; in init_state_node()
40 err = of_property_read_u32(state_node, "wakeup-latency-us", in init_state_node()
41 &idle_state->exit_latency); in init_state_node()
45 err = of_property_read_u32(state_node, "entry-latency-us", in init_state_node()
48 pr_debug(" * %pOF missing entry-latency-us property\n", in init_state_node()
50 return -EINVAL; in init_state_node()
53 err = of_property_read_u32(state_node, "exit-latency-us", in init_state_node()
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/linux/drivers/firmware/arm_scmi/
H A Dprotocols.h1 /* SPDX-License-Identifier: GPL-2.0 */
42 * struct scmi_msg_resp_prot_version - Response for a message
44 * @minor_version: Minor version of the ABI that firmware supports
45 * @major_version: Major version of the ABI that firmware supports
59 * struct scmi_msg - Message(Tx/Rx) structure
70 * struct scmi_msg_hdr - Message(Tx/Rx) header
92 * struct scmi_xfer - Structure representing a message flow
97 * @rx: Receive message, the buffer should be pre-allocated to store
98 * message. If request-ACK protocol is used, we can reuse the same
111 * though the timed-out transaction will anyway cause the command
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/linux/drivers/net/wireless/microchip/wilc1000/
H A Dnetdev.h1 /* SPDX-License-Identifier: GPL-2.0 */
3 * Copyright (c) 2012 - 2018 Microchip Technology Inc., and its subsidiaries.
36 list_for_each_entry_srcu(v, &_w->vif_list, list, \
37 srcu_read_lock_held(&_w->srcu))
205 bool initialized; member
214 bool initialized; member
228 * - sending commands to the chip, using info from retrieved vif
229 * - registering a new monitoring net device
255 /* lock to protect issue of wid command to firmware */
272 const struct firmware *firmware; member
/linux/drivers/input/touchscreen/
H A Drohm_bu21023.c1 // SPDX-License-Identifier: GPL-2.0-only
7 #include <linux/firmware.h>
37 * BU21023GUL/BU21023MUV/BU21024FV-M registers map
261 bool initialized; member
270 * rohm_i2c_burst_read - execute combined I2C message for ROHM BU21023/24
285 struct i2c_adapter *adap = client->adapter; in rohm_i2c_burst_read()
289 msg[0].addr = client->addr; in rohm_i2c_burst_read()
294 msg[1].addr = client->addr; in rohm_i2c_burst_read()
303 ret = -EIO; in rohm_i2c_burst_read()
315 struct i2c_client *client = ts->client; in rohm_ts_manual_calibration()
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/linux/Documentation/virt/kvm/arm/
H A Dfw-pseudo-registers.rst1 .. SPDX-License-Identifier: GPL-2.0
4 ARM firmware pseudo-registers interface
12 two different "firmware" revisions. This could cause issues if a given guest
17 In order to remedy this situation, KVM exposes a set of "firmware
18 pseudo-registers" that can be manipulated using the GET/SET_ONE_REG
28 and power-off to the guest.
30 - Only valid if the vcpu has the KVM_ARM_VCPU_PSCI_0_2 feature set
31 (and thus has already been initialized)
32 - Returns the current PSCI version on GET_ONE_REG (defaulting to the
34 - Allows any PSCI version implemented by KVM and compatible with
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/linux/drivers/nfc/fdp/
H A Dfdp.c1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /* -------------------------------------------------------------------------
3 * Copyright (C) 2014-2016, Intel Corporation
5 * -------------------------------------------------------------------------
12 #include <linux/firmware.h>
45 const struct firmware *otp_patch;
46 const struct firmware *ram_patch;
92 r = nci_core_conn_create(info->ndev, FDP_PATCH_CONN_DEST, 1, in fdp_nci_create_conn()
127 delta = 24 * fc - nd * clock_freq; in fdp_nci_set_clock()
148 info->setup_patch_sent = 1; in fdp_nci_send_patch_cb()
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/linux/sound/soc/sof/intel/
H A Dhda-loader.c1 // SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause)
18 #include <linux/firmware.h>
24 #include "../ipc4-priv.h"
26 #include "../sof-priv.h"
32 "(default = Y, use N to force buffer re-allocation)");
36 struct sof_intel_hda_dev *hda = sdev->pdata->hw_pdata; in hda_ssp_set_cbp_cfp()
37 const struct sof_intel_dsp_desc *chip = hda->desc; in hda_ssp_set_cbp_cfp()
41 for (i = 0; i < chip->ssp_count; i++) { in hda_ssp_set_cbp_cfp()
43 chip->ssp_base_offset in hda_ssp_set_cbp_cfp()
64 dev_err(sdev->dev, "error: no stream available\n"); in hda_cl_prepare()
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/linux/drivers/net/wireless/ath/carl9170/
H A Dfwdesc.h1 /* SPDX-License-Identifier: GPL-2.0-only */
5 * Firmware descriptor format
7 * Copyright 2009-2011 Christian Lamparter <chunkeey@googlemail.com>
20 * legacy drivers to drive the firmware.
24 /* usb registers are initialized by the firmware */
30 /* usb download (app -> fw) stream */
33 /* usb upload (fw -> app) stream */
36 /* unusable - reserved to flag non-functional debug firmwares */
45 /* Firmware has a software Content After Beacon Queueing mechanism */
48 /* The firmware is capable of responding to incoming BAR frames */
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