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/linux/Documentation/admin-guide/media/
H A Dipu6-isys.rst1 .. SPDX-License-Identifier: GPL-2.0
6 Intel Image Processing Unit 6 (IPU6) Input System driver
9 Copyright |copy| 2023--2024 Intel Corporation
15 Input System (MIPI CSI2 receiver) drivers located under
26 Intel IPU6 is made up of two components - Input System (ISYS) and Processing
27 System (PSYS).
29 The Input System mainly works as MIPI CSI-2 receiver which receives and
32 There are 2 driver modules - intel-ipu6 and intel-ipu6-isys. intel-ipu6 is an
34 firmware authentication, DMA mapping and IPU-MMU (internal Memory mapping Unit)
36 sub-device interfaces. The IPU6 ISYS driver supports camera sensors connected
[all …]
H A Dcec.rst1 .. SPDX-License-Identifier: GPL-2.0
12 - Exynos4
13 - Exynos5
14 - STIH4xx HDMI CEC
15 - V4L2 adv7511 (same HW, but a different driver from the drm adv7511)
16 - stm32
17 - Allwinner A10 (sun4i)
18 - Raspberry Pi
19 - dw-hdmi (Synopsis IP)
20 - amlogic (meson ao-cec and ao-cec-g12a)
[all …]
H A Dipu3.rst1 .. SPDX-License-Identifier: GPL-2.0
24 ImgU). The CIO2 driver is available as drivers/media/pci/intel/ipu3/ipu3-cio2*
36 Both of the drivers implement V4L2, Media Controller and V4L2 sub-device
38 MIPI CSI-2 interfaces through V4L2 sub-device sensor drivers.
44 interface to the user space. There is a video node for each CSI-2 receiver,
47 The CIO2 contains four independent capture channel, each with its own MIPI CSI-2
48 receiver and DMA engine. Each channel is modelled as a V4L2 sub-device exposed
49 to userspace as a V4L2 sub-device node and has two pads:
53 .. flat-table::
54 :header-rows: 1
[all …]
/linux/drivers/isdn/mISDN/
H A Dclock.c1 // SPDX-License-Identifier: GPL-2.0-only
10 * ctl = callback function to enable/disable clock source
14 * Note: Callback 'ctl' can be called before mISDN_register_clock returns!
55 int pri = -128; in select_iclock()
58 if (iclock->pri > pri) { in select_iclock()
59 pri = iclock->pri; in select_iclock()
69 lastclock->name); in select_iclock()
70 lastclock->ctl(lastclock->priv, 0); in select_iclock()
76 bestclock->name); in select_iclock()
77 bestclock->ctl(bestclock->priv, 1); in select_iclock()
[all …]
/linux/Documentation/devicetree/bindings/cache/
H A Dbaikal,bt1-l2-ctl.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
4 ---
5 $id: http://devicetree.org/schemas/cache/baikal,bt1-l2-ctl.yaml#
6 $schema: http://devicetree.org/meta-schemas/core.yaml#
8 title: Baikal-T1 L2-cache Control Block
11 - Serge Semin <fancer.lancer@gmail.com>
14 By means of the System Controller Baikal-T1 SoC exposes a few settings to
16 to change the Tag, Data and Way-select RAM access latencies. Baikal-T1
17 L2-cache controller block is responsible for the tuning. Its DT node is
18 supposed to be a child of the system controller.
[all …]
/linux/tools/testing/selftests/alsa/
H A Dmixer-test.c1 // SPDX-License-Identifier: GPL-2.0
6 // Copyright (c) 2021-2 Arm Limited
8 // This test will iterate over all cards detected in the system, exercising
9 // every mixer control it can find. This may conflict with other system
10 // software if there is audio activity so is best run on a system with a
29 #include "alsa-local.h"
64 int card, ctl, err; in find_controls() local
70 card = -1; in find_controls()
83 err = snd_ctl_open_lconf(&card_data->handle, name, 0, config); in find_controls()
97 err = snd_ctl_card_info_malloc(&card_data->info); in find_controls()
[all …]
/linux/arch/mips/ath25/
H A Dar5312.c9 * Copyright (C) 2006-2009 Felix Fietkau <nbd@openwrt.org>
96 ar5312_rst_reg_mask(AR5312_IMR, 0, BIT(d->hwirq)); in ar5312_misc_irq_unmask()
102 ar5312_rst_reg_mask(AR5312_IMR, BIT(d->hwirq), 0); in ar5312_misc_irq_mask()
107 .name = "ar5312-misc",
152 if (request_irq(irq, ar5312_ahb_err_handler, 0, "ar5312-ahb-error", in ar5312_arch_init_irq()
154 pr_err("Failed to register ar5312-ahb-error interrupt\n"); in ar5312_arch_init_irq()
168 .end = AR5312_FLASH_BASE + AR5312_FLASH_SIZE - 1,
173 .name = "physmap-flash",
183 u32 ctl; in ar5312_flash_init() local
188 ctl = __raw_readl(flashctl_base + AR5312_FLASHCTL0); in ar5312_flash_init()
[all …]
/linux/drivers/thunderbolt/
H A Ddomain.c1 // SPDX-License-Identifier: GPL-2.0
24 if (id->match_flags & TBSVC_MATCH_PROTOCOL_KEY) { in match_service_id()
25 if (strcmp(id->protocol_key, svc->key)) in match_service_id()
29 if (id->match_flags & TBSVC_MATCH_PROTOCOL_ID) { in match_service_id()
30 if (id->protocol_id != svc->prtcid) in match_service_id()
34 if (id->match_flags & TBSVC_MATCH_PROTOCOL_VERSION) { in match_service_id()
35 if (id->protocol_version != svc->prtcvers) in match_service_id()
39 if (id->match_flags & TBSVC_MATCH_PROTOCOL_VERSION) { in match_service_id()
40 if (id->protocol_revision != svc->prtcrevs) in match_service_id()
59 if (!driver->id_table) in __tb_service_match()
[all …]
/linux/tools/perf/Documentation/
H A Dperf-stat.txt1 perf-stat(1)
5 ----
6 perf-stat - Run a command and gather performance counter statistics
9 --------
11 'perf stat' [-e <EVENT> | --event=EVENT] [-a] <command>
12 'perf stat' [-e <EVENT> | --event=EVENT] [-a] \-- <command> [<options>]
13 'perf stat' [-e <EVENT> | --event=EVENT] [-a] record [-o file] \-- <command> [<options>]
14 'perf stat' report [-i file]
17 -----------
23 -------
[all …]
/linux/drivers/gpu/drm/bridge/
H A Dsil-sii8620.h1 /* SPDX-License-Identifier: GPL-2.0-only */
9 * Copyright (C) 2013-2014 Silicon Image, Inc.
33 /* System Control #1, default value: 0x00 */
44 /* System Control DPD, default value: 0x90 */
323 /* I2C Device Address re-assignment */
648 /* E-MSC General Control, default value: 0x80 */
659 /* E-MSC Comma ErrorCNT, default value: 0x03 */
664 /* E-MSC RFIFO ByteCnt, default value: 0x00 */
678 /* E-MSC 1st Interrupt, default value: 0x00 */
689 /* E-MSC Interrupt Mask, default value: 0x00 */
[all …]
/linux/sound/pci/ice1712/
H A Dpsc724.c1 // SPDX-License-Identifier: GPL-2.0-or-later
7 * Copyright (c) 2012 Ondrej Zary <linux@rainbow-software.org>
34 * VT1722 (Envy24GT) - 6 outputs, 4 inputs (only 2 used), 24-bit/96kHz
36 * system configuration ICE_EEP2_SYSCONF=0x42
42 * AC-Link configuration ICE_EEP2_ACLINK=0x80
60 * 2-channel DAC used for main output and stereo ADC (with 10-channel MUX)
63 * MODE (pin16) -- GND
64 * CE (pin17) -- GND I2C mode (address=0x34)
65 * DI (pin18) -- SDA (VT1722 pin70)
66 * CL (pin19) -- SCLK (VT1722 pin71)
[all …]
/linux/drivers/i2c/busses/
H A Di2c-pnx.c7 * 2004-2006 (c) MontaVista Software, Inc. This file is licensed under
82 #define I2C_REG_RX(a) ((a)->ioaddr) /* Rx FIFO reg (RO) */
83 #define I2C_REG_TX(a) ((a)->ioaddr) /* Tx FIFO reg (WO) */
84 #define I2C_REG_STS(a) ((a)->ioaddr + 0x04) /* Status reg (RO) */
85 #define I2C_REG_CTL(a) ((a)->ioaddr + 0x08) /* Ctl reg */
86 #define I2C_REG_CKL(a) ((a)->ioaddr + 0x0c) /* Clock divider low */
87 #define I2C_REG_CKH(a) ((a)->ioaddr + 0x10) /* Clock divider high */
88 #define I2C_REG_ADR(a) ((a)->ioaddr + 0x14) /* I2C address */
89 #define I2C_REG_RFL(a) ((a)->ioaddr + 0x18) /* Rx FIFO level (RO) */
90 #define I2C_REG_TFL(a) ((a)->ioaddr + 0x1c) /* Tx FIFO level (RO) */
[all …]
/linux/Documentation/devicetree/bindings/mfd/
H A Dsyscon.yaml1 # SPDX-License-Identifier: GPL-2.0
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: System Controller Devices
10 System controller node represents a register region containing a set
12 represent as any specific type of device. The typical use-case is
13 for some other node's driver, or platform-specific code, to acquire
20 - Lee Jones <lee@kernel.org>
30 - al,alpine-sysfabric-servic
31 - allwinner,sun8i-a83t-system-controller
[all …]
/linux/fs/btrfs/
H A Dvolumes.c1 // SPDX-License-Identifier: GPL-2.0
17 #include "disk-io.h"
21 #include "rcu-string.h"
22 #include "dev-replace.h"
24 #include "tree-checker.h"
25 #include "space-info.h"
26 #include "block-group.h"
31 #include "uuid-tree.h"
36 #include "raid-stripe-tree.h"
227 size_bp -= ret; \ in btrfs_describe_block_groups()
[all …]
/linux/drivers/memory/
H A Dbt1-l2-ctl.c1 // SPDX-License-Identifier: GPL-2.0-only
8 * Baikal-T1 CM2 L2-cache Control Block driver.
38 * struct l2_ctl - Baikal-T1 L2 Control block private data.
40 * @sys_regs: Baikal-T1 System Controller registers map.
49 * enum l2_ctl_stall - Baikal-T1 L2-cache-RAM stall identifier.
50 * @L2_WSSTALL: Way-select latency.
61 * struct l2_ctl_device_attribute - Baikal-T1 L2-cache device attribute.
63 * @id: L2-cache stall field identifier.
82 ret = regmap_read(l2->sys_regs, L2_CTL_REG, &data); in l2_ctl_get_latency()
97 return -EINVAL; in l2_ctl_get_latency()
[all …]
/linux/net/sched/
H A Dsch_plug.c1 // SPDX-License-Identifier: GPL-2.0-or-later
11 * based fault-tolerance to ensure that the checkpoint from which a system
14 * Consider for e.g. Remus - a Virtual Machine checkpointing system,
47 * ------------------+--------------------+---------------->
51 * ----------------->|<--------+--------->|+--------------->
59 * a pass-through queue for newly arriving packets.
92 if (likely(sch->qstats.backlog + skb->len <= q->limit)) { in plug_enqueue()
93 if (!q->unplug_indefinite) in plug_enqueue()
94 q->pkts_current_epoch++; in plug_enqueue()
105 if (q->throttled) in plug_dequeue()
[all …]
/linux/sound/soc/kirkwood/
H A Dkirkwood-i2s.c1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * kirkwood-i2s.c
6 * (c) 2010 Arnaud Patard <arnaud.patard@rtp-net.org>
20 #include <linux/platform_data/asoc-kirkwood.h>
34 /* These registers are relative to the second register region -
56 struct device_node *np = pdev->dev.of_node; in armada_38x_i2s_init_quirk()
60 priv->pll_config = devm_platform_ioremap_resource_byname(pdev, "pll_regs"); in armada_38x_i2s_init_quirk()
61 if (IS_ERR(priv->pll_config)) in armada_38x_i2s_init_quirk()
62 return -ENOMEM; in armada_38x_i2s_init_quirk()
64 priv->soc_control = devm_platform_ioremap_resource_byname(pdev, "soc_ctrl"); in armada_38x_i2s_init_quirk()
[all …]
/linux/Documentation/devicetree/bindings/sound/
H A Dcs35l36.txt5 - compatible : "cirrus,cs35l36"
7 - reg : the I2C address of the device for I2C
9 - VA-supply, VP-supply : power supplies for the device,
13 - cirrus,boost-ctl-millivolt : Boost Voltage Value. Configures the boost
18 - cirrus,boost-peak-milliamp : Boost-converter peak current limit in mA.
24 - cirrus,boost-ind-nanohenry : Inductor estimation LBST reference value.
32 - cirrus,multi-amp-mode : Boolean to determine if there are more than
33 one amplifier in the system. If more than one it is best to Hi-Z the ASP
36 - cirrus,boost-ctl-select : Boost converter control source selection.
39 0x00 - Control Port Value
[all …]
/linux/drivers/ras/amd/atl/
H A Ddehash.c1 // SPDX-License-Identifier: GPL-2.0-or-later
19 intlv_bit_pos = ctx->map.intlv_bit_pos; in df2_dehash_addr()
20 intlv_bit = !!(BIT_ULL(intlv_bit_pos) & ctx->ret_addr); in df2_dehash_addr()
23 hashed_bit ^= FIELD_GET(BIT_ULL(12), ctx->ret_addr); in df2_dehash_addr()
24 hashed_bit ^= FIELD_GET(BIT_ULL(18), ctx->ret_addr); in df2_dehash_addr()
25 hashed_bit ^= FIELD_GET(BIT_ULL(21), ctx->ret_addr); in df2_dehash_addr()
26 hashed_bit ^= FIELD_GET(BIT_ULL(30), ctx->ret_addr); in df2_dehash_addr()
29 ctx->ret_addr ^= BIT_ULL(intlv_bit_pos); in df2_dehash_addr()
39 hash_ctl_64k = FIELD_GET(DF3_HASH_CTL_64K, ctx->map.ctl); in df3_dehash_addr()
40 hash_ctl_2M = FIELD_GET(DF3_HASH_CTL_2M, ctx->map.ctl); in df3_dehash_addr()
[all …]
H A Ddenormalize.c1 // SPDX-License-Identifier: GPL-2.0-or-later
22 case DF2: return FIELD_GET(DF2_DST_FABRIC_ID, ctx->map.limit); in get_dst_fabric_id()
23 case DF3: return FIELD_GET(DF3_DST_FABRIC_ID, ctx->map.limit); in get_dst_fabric_id()
24 case DF3p5: return FIELD_GET(DF3p5_DST_FABRIC_ID, ctx->map.limit); in get_dst_fabric_id()
25 case DF4: return FIELD_GET(DF4_DST_FABRIC_ID, ctx->map.ctl); in get_dst_fabric_id()
26 case DF4p5: return FIELD_GET(DF4p5_DST_FABRIC_ID, ctx->map.ctl); in get_dst_fabric_id()
41 * expanded address bits: [20+n : n+p][n+p-1 : p][p-1 : 0]
46 return expand_bits(ctx->map.intlv_bit_pos, in make_space_for_coh_st_id_at_intlv_bit()
47 ctx->map.total_intlv_bits, in make_space_for_coh_st_id_at_intlv_bit()
48 ctx->ret_addr); in make_space_for_coh_st_id_at_intlv_bit()
[all …]
/linux/arch/alpha/kernel/
H A Dsys_marvel.c1 // SPDX-License-Identifier: GPL-2.0
52 * -----+-----+--------+--- in io7_device_interrupt()
57 * 0x0800 - 0x0ff0 - 0x0800 + (LSI id << 4) in io7_device_interrupt()
58 * 0x1000 - 0x2ff0 - 0x1000 + (MSI_DAT<8:0> << 4) in io7_device_interrupt()
61 irq = ((vector & 0xffff) - 0x800) >> 4; in io7_device_interrupt()
73 volatile unsigned long *ctl; in io7_get_irq_ctl() local
81 "%s for nonexistent io7 -- vec %x, pid %d\n", in io7_get_irq_ctl()
87 irq -= 16; /* subtract legacy bias */ in io7_get_irq_ctl()
91 "%s for invalid irq -- pid %d adjusted irq %x\n", in io7_get_irq_ctl()
96 ctl = &io7->csrs->PO7_LSI_CTL[irq & 0xff].csr; /* assume LSI */ in io7_get_irq_ctl()
[all …]
/linux/Documentation/devicetree/bindings/reset/
H A Dhisilicon,hi3660-reset.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/reset/hisilicon,hi3660-reset.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Hisilicon System Reset Controller
10 - Wei Xu <xuwei5@hisilicon.com>
15 The reset controller registers are part of the system-ctl block on
21 - items:
22 - const: hisilicon,hi3660-reset
23 - items:
[all …]
/linux/arch/arm64/boot/dts/nvidia/
H A Dtegra234-p3768-0000+p3767.dtsi1 // SPDX-License-Identifier: GPL-2.0
3 #include <dt-bindings/input/linux-event-codes.h>
4 #include <dt-bindings/input/gpio-keys.h>
6 #include "tegra234-p3767.dtsi"
17 stdout-path = "serial0:115200n8";
22 compatible = "nvidia,tegra194-hsuart";
23 reset-names = "serial";
28 compatible = "nvidia,tegra194-hsuart";
29 reset-names = "serial";
40 label = "system";
[all …]
/linux/drivers/net/wireless/ath/wcn36xx/
H A Ddxe.c17 /* DXE - DMA transfer engine
36 writel(data, wcn->ccu_base + addr); in wcn36xx_ccu_write_register()
45 writel(data, wcn->dxe_base + addr); in wcn36xx_dxe_write_register()
50 *data = readl(wcn->dxe_base + addr); in wcn36xx_dxe_read_register()
59 struct wcn36xx_dxe_ctl *ctl = ch->head_blk_ctl, *next; in wcn36xx_dxe_free_ctl_block() local
62 for (i = 0; i < ch->desc_num && ctl; i++) { in wcn36xx_dxe_free_ctl_block()
63 next = ctl->next; in wcn36xx_dxe_free_ctl_block()
64 kfree(ctl); in wcn36xx_dxe_free_ctl_block()
65 ctl = next; in wcn36xx_dxe_free_ctl_block()
75 spin_lock_init(&ch->lock); in wcn36xx_dxe_allocate_ctl_block()
[all …]
/linux/include/uapi/linux/
H A Dsem.h1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
19 /* ipcs ctl cmds */
39 /* semop system calls takes an array of these. */
46 /* arg for semctl system calls. */
82 #define SEMMNS (SEMMNI*SEMMSL) /* <= INT_MAX max # of semaphores in system */
89 #define SEMMNU SEMMNS /* num of undo structures system wide */

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