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/linux/Documentation/devicetree/bindings/media/
H A Dvideo-interface-devices.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/media/video-interface-devices.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Jacopo Mondi <jacopo@jmondi.org>
11 - Sakari Ailus <sakari.ailus@linux.intel.com>
14 flash-leds:
15 $ref: /schemas/types.yaml#/definitions/phandle-array
17 An array of phandles, each referring to a flash LED, a sub-node of the LED
20 lens-focus:
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/linux/drivers/s390/char/
H A Draw3270.c1 // SPDX-License-Identifier: GPL-2.0
3 * IBM/3270 Driver - core functions.
54 unsigned char *ascebc; /* ascii -> ebcdic table */
64 /* raw3270->state */
71 /* raw3270->flags */
72 #define RAW3270_FLAGS_14BITADDR 0 /* 14-bit buffer addresses */
99 static void __raw3270_disconnect(struct raw3270 *rp);
115 static inline int raw3270_state_ready(struct raw3270 *rp) in raw3270_state_ready() argument
117 return rp->state == RAW3270_STATE_READY; in raw3270_state_ready()
120 void raw3270_buffer_address(struct raw3270 *rp, char *cp, int x, int y) in raw3270_buffer_address() argument
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/linux/arch/m68k/fpsp040/
H A Dbindec.S12 | value in memory; d0 contains the k-factor sign-extended
13 | to 32-bits. The input may be either normalized,
18 | Saves and Modifies: D2-D7,A2,FP2
23 | The k-factor is saved for use in d7. Clear the
45 | k-factor can dictate either the total number of digits,
67 | A9. Scale X -> Y.
74 | compensated for by 'or-ing' in the INEX2 flag to
75 | the lsb of Y.
81 | A12. Calculate YINT = FINT(Y) according to user's rounding
87 | or less than LEN -1 digits, adjust ILOG and repeat from
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H A Dscale.S12 | Input: Double-extended destination operand in FPTEMP,
13 | double-extended source operand in ETEMP.
15 | Output: The function returns scale(X,Y) to fp0.
170 movel %d2,-(%a7) |free d2 for norm
188 | Test for zero. If zero, simply use fmove to return +/- zero
206 | mode is rp, and the zero is positive, return smallest denorm.
210 btstb #5,FPCR_MODE(%a6) |test if rm or rp
259 btstb #5,FPCR_MODE(%a6) |test if rm or rp
301 moveml %d2/%d3,-(%a7)
H A Dround.S21 | round --- round result according to precision/mode
32 | RP = $xxxx0011
36 | a0 is preserved and the g-r-s bits in d0 are cleared.
37 | The result is not typed - the tag field is invalid. The
41 | inexact (i.e. if any of the g-r-s bits were set).
51 | ;the appropriate g-r-s bits.
117 asll #1,%d0 |shift g-bit to c-bit
124 | ext_grs --- extract guard, round and sticky bits
144 moveml %d2/%d3,-(%a7) |make some temp registers
148 bfextu LOCAL_HI(%a0){#24:#2},%d3 |sgl prec. g-r are 2 bits right
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/linux/arch/sparc/kernel/
H A Dsignal32.c1 // SPDX-License-Identifier: GPL-2.0
50 unsigned int extramask[_COMPAT_NSIG_WORDS - 1];
72 * 16-byte aligned, therefore we can always enforce that the restore
78 ((unsigned long)fp) > 0x100000000ULL - fplen) in invalid_frame_pointer()
94 /* Always make any pending restarted system calls return -EINTR */ in do_sigreturn32()
95 current->restart_block.fn = do_no_restart_syscall; in do_sigreturn32()
99 regs->u_regs[UREG_FP] &= 0x00000000ffffffffUL; in do_sigreturn32()
100 sf = (struct signal_frame32 __user *) regs->u_regs[UREG_FP]; in do_sigreturn32()
106 if (get_user(ufp, &sf->info.si_regs.u_regs[UREG_FP])) in do_sigreturn32()
112 if (__get_user(pc, &sf->info.si_regs.pc) || in do_sigreturn32()
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H A Dprocess_64.c1 // SPDX-License-Identifier: GPL-2.0
10 * This file handles the architecture-dependent parts of process handling..
85 /* Re-enable interrupts. */ in arch_cpu_idle()
112 rw = compat_ptr((unsigned int)regs->u_regs[14]); in show_regwindow32()
136 if ((regs->tstate & TSTATE_PRIV) || !(test_thread_flag(TIF_32BIT))) { in show_regwindow()
139 (regs->u_regs[14] + STACK_BIAS); in show_regwindow()
141 (regs->u_regs[14] + STACK_BIAS); in show_regwindow()
142 if (!(regs->tstate & TSTATE_PRIV)) { in show_regwindow()
153 rwk->locals[0], rwk->locals[1], rwk->locals[2], rwk->locals[3]); in show_regwindow()
155 rwk->locals[4], rwk->locals[5], rwk->locals[6], rwk->locals[7]); in show_regwindow()
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H A Dsignal_32.c1 // SPDX-License-Identifier: GPL-2.0
41 unsigned int extramask[_NSIG_WORDS - 1];
63 * 16-byte aligned, therefore we can always enforce that the restore
83 /* Always make any pending restarted system calls return -EINTR */ in do_sigreturn()
84 current->restart_block.fn = do_no_restart_syscall; in do_sigreturn()
88 sf = (struct signal_frame __user *) regs->u_regs[UREG_FP]; in do_sigreturn()
94 if (get_user(ufp, &sf->info.si_regs.u_regs[UREG_FP])) in do_sigreturn()
100 err = __get_user(pc, &sf->info.si_regs.pc); in do_sigreturn()
101 err |= __get_user(npc, &sf->info.si_regs.npc); in do_sigreturn()
107 up_psr = regs->psr; in do_sigreturn()
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H A Dsignal_64.c1 // SPDX-License-Identifier: GPL-2.0
40 /* {set, get}context() needed for 64-bit SparcLinux userland. */
44 regs->u_regs[UREG_I0]; in sparc64_set_context()
54 (((unsigned long)ucp) & (sizeof(unsigned long)-1)) || in sparc64_set_context()
57 grp = &ucp->uc_mcontext.mc_gregs; in sparc64_set_context()
62 if (regs->u_regs[UREG_I1]) { in sparc64_set_context()
66 if (__get_user(set.sig[0], &ucp->uc_sigmask.sig[0])) in sparc64_set_context()
69 if (__copy_from_user(&set, &ucp->uc_sigmask, sizeof(sigset_t))) in sparc64_set_context()
78 regs->tpc = pc; in sparc64_set_context()
79 regs->tnpc = npc; in sparc64_set_context()
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/linux/Documentation/ABI/testing/
H A Dsysfs-devices-mapping9 For example, on 4-die Xeon platform with up to 6 IIO stacks per
14 -r--r--r-- /sys/devices/uncore_iio_0/die0
15 -r--r--r-- /sys/devices/uncore_iio_0/die1
16 -r--r--r-- /sys/devices/uncore_iio_0/die2
17 -r--r--r-- /sys/devices/uncore_iio_0/die3
31 IIO PMU 0 on die 0 belongs to PCI RP on bus 0x00, domain 0x0000
32 IIO PMU 0 on die 1 belongs to PCI RP on bus 0x40, domain 0x0000
33 IIO PMU 0 on die 2 belongs to PCI RP on bus 0x80, domain 0x0000
34 IIO PMU 0 on die 3 belongs to PCI RP on bus 0xc0, domain 0x0000
41 value that means UPI link number X on die Y is connected to UPI
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/linux/Documentation/trace/
H A Dkprobes.rst29 collect debugging and performance information non-disruptively. You
41 In the typical case, Kprobes-based instrumentation is packaged as
56 Kprobes -- e.g., the difference between a pre_handler and
62 -----------------------
74 Next, Kprobes single-steps its copy of the probed instruction.
75 (It would be simpler to single-step the actual instruction in place,
80 After the instruction is single-stepped, Kprobes executes the
85 -----------------------
105 -------------
114 is an arbitrary piece of code -- typically just a nop instruction.
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/linux/drivers/media/usb/gspca/stv06xx/
H A Dstv06xx_hdcs.c1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * Copyright (c) 2001 Jean-Fredric Clere, Nikolas Zimmermann, Georg Acher
4 * Mark Cave-Ayland, Carlo E Prelz, Dick Streefland
7 * Copyright (c) 2008 Chia-I Wu
10 * P/N 861050-0010: Sensor HDCS1000 ASIC STV0600
11 * P/N 861050-0020: Sensor Photobit PB100 ASIC STV0600-1 - QuickCam Express
12 * P/N 861055: Sensor ST VV6410 ASIC STV0610 - LEGO cam
13 * P/N 861075-0040: Sensor HDCS1000 ASIC
14 * P/N 961179-0700: Sensor ST VV6410 ASIC STV0602 - Dexxa WebCam USB
15 * P/N 861040-0000: Sensor ST VV6410 ASIC STV0610 - QuickCam Web
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/linux/drivers/hid/
H A Dhid-playstation.c1 // SPDX-License-Identifier: GPL-2.0-or-later
5 * Copyright (c) 2020-2022 Sony Interactive Entertainment
15 #include <linux/led-class-multicolor.h>
20 #include "hid-ids.h"
208 uint8_t x, y; member
216 __le16 gyro[3]; /* x, y, z */
217 __le16 accel[3]; /* x, y, z */
229 static_assert(sizeof(struct dualsense_input_report) == DS_INPUT_REPORT_USB_SIZE - 1);
333 * 0x00 - 1ms
334 * 0x01 - 1ms
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/linux/drivers/media/pci/bt8xx/
H A Dbttv-risc.c1 // SPDX-License-Identifier: GPL-2.0-or-later
4 bttv-risc.c -- interfaces to other kernel modules
7 - memory management
8 - generation
10 (c) 2000-2003 Gerd Knorr <kraxel@bytesex.org>
25 #include <media/v4l2-ioctl.h>
31 /* ---------------------------------------------------------- */
43 __le32 *rp; in bttv_risc_packed() local
54 if ((rc = btcx_riscmem_alloc(btv->c.pci,risc,instructions)) < 0) in bttv_risc_packed()
58 rp = risc->cpu; in bttv_risc_packed()
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/linux/drivers/media/pci/cx88/
H A Dcx88-core.c1 // SPDX-License-Identifier: GPL-2.0-or-later
8 * (c) 2005-2006 Mauro Carvalho Chehab <mchehab@kernel.org>
9 * - Multituner support
10 * - video_ioctl2 conversion
11 * - PAL/M fixes
29 #include <media/v4l2-common.h>
30 #include <media/v4l2-ioctl.h>
36 /* ------------------------------------------------------------------ */
64 #define NO_SYNC_LINE (-1U)
70 static __le32 *cx88_risc_field(__le32 *rp, struct scatterlist *sglist, in cx88_risc_field() argument
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/linux/drivers/net/wireless/realtek/rtl818x/
H A DKconfig1 # SPDX-License-Identifier: GPL-2.0-only
14 A-Link WL54PC
19 Dlink DWL-610
20 Dlink DWL-510
22 Level-One WPC-0101
24 VCTnet PC-11B1
25 Ovislink AirLive WL-1120PCM
26 Mentor WL-PCI
28 TrendNET TEW-288PI
29 D-Link DWL-520 Rev D
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/linux/drivers/net/wireless/realtek/rtw88/
H A Dpci.c1 // SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause
2 /* Copyright(c) 2018-2019 Realtek Corporation
20 MODULE_PARM_DESC(disable_msi, "Set Y to disable MSI interrupt support");
21 MODULE_PARM_DESC(disable_aspm, "Set Y to disable PCI ASPM support");
46 return skb->priority; in rtw_pci_get_tx_qsel()
52 struct rtw_pci *rtwpci = (struct rtw_pci *)rtwdev->priv; in rtw_pci_read8()
54 return readb(rtwpci->mmap + addr); in rtw_pci_read8()
59 struct rtw_pci *rtwpci = (struct rtw_pci *)rtwdev->priv; in rtw_pci_read16()
61 return readw(rtwpci->mmap + addr); in rtw_pci_read16()
66 struct rtw_pci *rtwpci = (struct rtw_pci *)rtwdev->priv; in rtw_pci_read32()
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/linux/net/bluetooth/
H A Dsmp.c2 BlueZ - Bluetooth protocol stack for Linux
3 Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
39 ((struct smp_dev *)((struct l2cap_chan *)((hdev)->smp_data))->data)
41 /* Low-level debug macros to be used for stuff that we don't want
53 #define SMP_ALLOW_CMD(smp, code) set_bit(code, &smp->allow_cmd)
162 dst[len - 1 - i] = src[i]; in swap_buf()
166 * AES-CMAC, f4, f5, f6, g2 and h6.
176 return -EFBIG; in aes_cmac()
180 return -EINVAL; in aes_cmac()
314 const u8 x[16], const u8 y[16], u32 *val) in smp_g2()
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/linux/drivers/cxl/core/
H A Dcdat.c1 // SPDX-License-Identifier: GPL-2.0-only
55 struct acpi_cdat_header *hdr = &header->cdat; in cdat_dsmas_handler()
63 len = le16_to_cpu((__force __le16)hdr->length); in cdat_dsmas_handler()
66 return -EINVAL; in cdat_dsmas_handler()
74 return -ENOMEM; in cdat_dsmas_handler()
76 dent->handle = dsmas->dsmad_handle; in cdat_dsmas_handler()
77 dent->dpa_range.start = le64_to_cpu((__force __le64)dsmas->dpa_base_address); in cdat_dsmas_handler()
78 dent->dpa_range.end = le64_to_cpu((__force __le64)dsmas->dpa_base_address) + in cdat_dsmas_handler()
79 le64_to_cpu((__force __le64)dsmas->dpa_length) - 1; in cdat_dsmas_handler()
81 rc = xa_insert(dsmas_xa, dent->handle, dent, GFP_KERNEL); in cdat_dsmas_handler()
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/linux/drivers/video/fbdev/
H A Dcontrolfb.c2 * controlfb.c -- frame buffer device for the PowerMac 'control' display
11 * drivers/video/chipsfb.c -- frame buffer device for
18 * And from the frame buffer device for Open Firmware-initialized devices:
93 #define DIRTY(z) ((x)->z != (y)->z)
94 #define DIRTY_CMAP(z) (memcmp(&((x)->z), &((y)->z), sizeof((y)->z)))
95 static inline int PAR_EQUAL(struct fb_par_control *x, struct fb_par_control *y) in PAR_EQUAL() argument
135 #define CNTRL_REG(INFO,REG) (&(((INFO)->control_regs->REG).r))
160 out_8(&p->cmap_regs->addr, regno); /* tell clut what addr to fill */ in controlfb_setcolreg()
161 out_8(&p->cmap_regs->lut, r); /* send one color channel at */ in controlfb_setcolreg()
162 out_8(&p->cmap_regs->lut, g); /* a time... */ in controlfb_setcolreg()
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/linux/drivers/mtd/
H A Dmtdswap.c1 // SPDX-License-Identifier: GPL-2.0-only
11 * support and lock-less operation written by Adrian Hunter.
59 #define BLOCK_ERROR (UINT_MAX - 1)
60 #define BLOCK_MAX (UINT_MAX - 2)
80 rb)->erase_count)
82 rb)->erase_count)
153 * page from the current block and is then pre-empted by the GC
160 #define TREE_ROOT(d, name) (&d->trees[MTDSWAP_ ## name].root)
161 #define TREE_EMPTY(d, name) (TREE_ROOT(d, name)->rb_node == NULL)
163 #define TREE_COUNT(d, name) (d->trees[MTDSWAP_ ## name].count)
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/linux/Documentation/driver-api/mtd/
H A Dspi-nor.rst6 -----------------------------------
11 standard set of internal read-only parameter tables.
17 on its SFDP data. All one has to do is to specify the "jedec,spi-nor"
28 -----------------------------
31 section, after the ``---`` marker.
36 This flash is populated on the X board and was tested at Y
41 root@1:~# cat /sys/bus/spi/devices/spi0.0/spi-nor/partname
43 root@1:~# cat /sys/bus/spi/devices/spi0.0/spi-nor/jedec_id
45 root@1:~# cat /sys/bus/spi/devices/spi0.0/spi-nor/manufacturer
47 root@1:~# xxd -p /sys/bus/spi/devices/spi0.0/spi-nor/sfdp
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/linux/drivers/bluetooth/
H A Dbtusb.c1 // SPDX-License-Identifier: GPL-2.0-or-later
6 * Copyright (C) 2005-2008 Marcel Holtmann <marcel@holtmann.org>
80 /* Apple-specific (Broadcom) devices */
117 /* ALPS Modules with non-standard id */
121 /* Ericsson with non-standard id */
124 /* Canyon CN-BTU1 with HID interfaces */
138 /* Foxconn - Hon Hai */
142 /* Lite-On Technology - Broadcom based */
150 /* ASUSTek Computer - Broadcom based */
154 /* Belkin F8065bf - Broadcom based */
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/linux/net/netfilter/
H A Dnft_set_pipapo.c1 // SPDX-License-Identifier: GPL-2.0-only
5 * Copyright (c) 2019-2020 Red Hat GmbH
15 * -------
17 * Match packet bytes against entries composed of ranged or non-ranged packet
22 * --- fields --->
33 * ------------------
65 * next-field rules the current rule maps to.
73 * A stand-alone, reference implementation, also including notes about possible
78 * ---------
80 * - For each packet field:
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/linux/arch/m68k/ifpsp060/src/
H A Dfpsp.S3 M68000 Hi-Performance Microprocessor Division
5 Production Release P1.00 -- October 10, 1994
98 mov.l %d0,-(%sp)
99 mov.l (_060FPSP_TABLE-0x80+_off_done,%pc),%d0
100 pea.l (_060FPSP_TABLE-0x80,%pc,%d0)
106 mov.l %d0,-(%sp)
107 mov.l (_060FPSP_TABLE-0x80+_off_ovfl,%pc),%d0
108 pea.l (_060FPSP_TABLE-0x80,%pc,%d0)
114 mov.l %d0,-(%sp)
115 mov.l (_060FPSP_TABLE-0x80+_off_unfl,%pc),%d0
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