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/linux/arch/parisc/kernel/
H A Dsignal32.c1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /* Signal support for 32-bit kernel builds
4 * Copyright (C) 2001 Matthew Wilcox <willy at parisc-linux.org>
5 * Copyright (C) 2006 Kyle McMartin <kyle at parisc-linux.org>
44 /* When loading 32-bit values into 64-bit registers make in restore_sigcontext32()
45 sure to clear the upper 32-bits */ in restore_sigcontext32()
50 err |= __get_user(compat_reg,&sc->sc_gr[regn]); in restore_sigcontext32()
51 regs->gr[regn] = compat_reg; in restore_sigcontext32()
52 /* Load upper half */ in restore_sigcontext32()
53 err |= __get_user(compat_regt,&rf->rf_gr[regn]); in restore_sigcontext32()
[all …]
/linux/include/uapi/linux/
H A Dmii.h1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
3 * linux/mii.h: definitions for MII-compatible transceivers
23 #define MII_CTRL1000 0x09 /* 1000BASE-T control */
24 #define MII_STAT1000 0x0a /* 1000BASE-T status */
30 #define MII_NWAYTEST 0x14 /* N-way auto-neg test reg */
55 #define BMSR_ERCAP 0x0001 /* Ext-reg capability */
58 #define BMSR_ANEGCAPABLE 0x0008 /* Able to do auto-negotiation */
60 #define BMSR_ANEGCOMPLETE 0x0020 /* Auto-negotiation complete */
63 #define BMSR_100HALF2 0x0200 /* Can do 100BASE-T2 HDX */
64 #define BMSR_100FULL2 0x0400 /* Can do 100BASE-T2 FDX */
[all …]
/linux/drivers/gpu/drm/i915/gt/
H A Dselftest_ring.c1 // SPDX-License-Identifier: GPL-2.0
14 kref_init(&ring->ref); in mock_ring()
15 ring->size = sz; in mock_ring()
16 ring->wrap = BITS_PER_TYPE(ring->size) - ilog2(sz); in mock_ring()
17 ring->effective_size = sz; in mock_ring()
18 ring->vaddr = (void *)(ring + 1); in mock_ring()
19 atomic_set(&ring->pin_count, 1); in mock_ring()
39 result = -1; in check_ring_direction()
46 return -EINVAL; in check_ring_direction()
60 err |= check_ring_direction(ring, prev, next, -1); in check_ring_step()
[all …]
H A Dintel_breadcrumbs_types.h1 /* SPDX-License-Identifier: MIT */
22 * bottom-half of the user interrupt) to the first client. After
26 * transferring the bottom-half status to the next client in the queue.
29 * bottom-half, we reduce the latency of the first waiter by avoiding
/linux/Documentation/devicetree/bindings/interrupt-controller/
H A Dcirrus,clps711x-intc.txt5 - compatible: Should be "cirrus,ep7209-intc".
6 - reg: Specifies base physical address of the registers set.
7 - interrupt-controller: Identifies the node as an interrupt controller.
8 - #interrupt-cells: Specifies the number of cells needed to encode an
13 ---------------------------
24 12: UTXINT1 UART1 transmit FIFO half empty
25 13: URXINT1 UART1 receive FIFO half full
29 17: SS2RX SSI2 receive FIFO half or greater full
30 18: SS2TX SSI2 transmit FIFO less than half empty
31 28: UTXINT2 UART2 transmit FIFO half empty
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/linux/drivers/media/usb/stk1160/
H A Dstk1160-reg.h1 /* SPDX-License-Identifier: GPL-2.0-or-later */
6 * <elezegarcia--a.t--gmail.com>
10 * <rmthomas--a.t--sciolus.org>
19 /* Power-on Strapping Data */
39 * Bit 0 - Horizontal Decimation Control
42 * Bit 1 - Decimates Half or More Column
43 * 0 Decimates less than half from original column,
45 * 1 Decimates half or more from original column,
47 * Bit 2 - Vertical Decimation Control
50 * Bit 3 - Vertical Greater or Equal to Half
[all …]
/linux/drivers/net/ethernet/8390/
H A Dstnic.c1 // SPDX-License-Identifier: GPL-2.0-only
2 /* stnic.c : A SH7750 specific part of driver for NS DP83902A ST-NIC.
18 #include <mach-se/mach/se.h>
29 #define half unsigned short macro
97 *(vhalf *) (PA_83902 + ((reg) << 1)) = ((half) (val) << 8); in STNIC_WRITE()
109 return -ENODEV; in stnic_probe()
114 return -ENOMEM; in stnic_probe()
122 dev->base_addr = 0x1000; in stnic_probe()
123 dev->irq = IRQ_STNIC; in stnic_probe()
124 dev->netdev_ops = &ei_netdev_ops; in stnic_probe()
[all …]
/linux/include/uapi/linux/dvb/
H A Dosd.h1 /* SPDX-License-Identifier: LGPL-2.1+ WITH Linux-syscall-note */
3 * osd.h - DEPRECATED On Screen Display API
18 /* All functions return -2 on "not open" */
27 * returns 0 on success, -1 on DRAM allocation error, -2 on "already open"
57 * returns 0 on success, -1 on error
64 * R,G,B, and a opacity value: 0->transparent, 1..254->mix, 255->pixel
74 * returns 0 on success, -1 on error
77 /* returns color number of pixel <x>,<y>, or -1 */
81 * returns 0 on success, -1 on clipping all pixel (no pixel drawn)
88 * returns 0 on success, -1 on clipping all pixel
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/linux/Documentation/input/devices/
H A Drotary-encoder.rst2 rotary-encoder - a generic driver for GPIO connected devices
8 --------
11 peripherals with two wires. The outputs are phase-shifted by 90 degrees
16 a stable state with both outputs high (half-period mode) and some have
17 a stable state in all steps (quarter-period mode).
33 |<-------->|
36 |<-->|
37 one step (half-period mode)
40 one step (quarter-period mode)
47 ----------------------
[all …]
/linux/drivers/soc/fsl/qe/
H A Dtsa.c1 // SPDX-License-Identifier: GPL-2.0
11 #include <dt-bindings/soc/cpm1-fsl,tsa.h>
12 #include <dt-bindings/soc/qe-fsl,tsa.h>
51 * - CPM1: 32bit register split in 2*16bit (16bit TDM)
52 * - QE: 4x16bit registers, one per TDM
183 return container_of(tsa_serial, struct tsa, serials[tsa_serial->id]); in tsa_serial_get_tsa()
229 return tsa->version == TSA_QE; in tsa_is_qe()
238 switch (tsa_serial->id) { in tsa_qe_serial_get_num()
248 dev_err(tsa->dev, "Unsupported serial id %u\n", tsa_serial->id); in tsa_qe_serial_get_num()
249 return -EINVAL; in tsa_qe_serial_get_num()
[all …]
/linux/drivers/net/ethernet/atheros/atlx/
H A Datlx.h1 /* SPDX-License-Identifier: GPL-2.0-or-later */
2 /* atlx_hw.h -- common hardware definitions for Attansic network drivers
4 * Copyright(c) 2005 - 2006 Attansic Corporation. All rights reserved.
5 * Copyright(c) 2006 - 2007 Chris Snook <csnook@redhat.com>
6 * Copyright(c) 2006 - 2008 Jay Cliburn <jcliburn@gmail.com>
10 * Copyright(c) 1999 - 2005 Intel Corporation. All rights reserved.
149 /* IRQ Anti-Lost Timer Initial Value Register */
228 /* MAC Half-Duplex Control Register */
246 /* Wake-On-Lan control register */
303 #define MII_CR_FULL_DUPLEX 0x0100 /* FDX =1, half duplex =0 */
[all …]
/linux/drivers/gpu/drm/sun4i/
H A Dsun4i_hdmi_tmds_clk.c1 // SPDX-License-Identifier: GPL-2.0-or-later
6 * Maxime Ripard <maxime.ripard@free-electrons.com>
9 #include <linux/clk-provider.h>
31 bool *half) in sun4i_tmds_calc_divider() argument
49 (rate - tmp_rate) < (rate - best_rate)) { in sun4i_tmds_calc_divider()
57 if (div && half) { in sun4i_tmds_calc_divider()
59 *half = is_double; in sun4i_tmds_calc_divider()
72 unsigned long rate = req->rate; in sun4i_tmds_determine_rate()
88 for (j = tmds->div_offset ?: 1; in sun4i_tmds_determine_rate()
89 j < (16 + tmds->div_offset); j++) { in sun4i_tmds_determine_rate()
[all …]
/linux/tools/testing/ktest/
H A Dconfig-bisect.pl1 #!/usr/bin/perl -w
2 # SPDX-License-Identifier: GPL-2.0-only
4 # Copyright 2015 - Steven Rostedt, Red Hat Inc.
5 # Copyright 2017 - Steven Rostedt, VMware, Inc.
9 # config-bisect.pl [options] good-config bad-config [good|bad]
12 # Compares a good config to a bad config, then takes half of the diffs
15 # good config and will try to make half of the differences of between
18 # exactly half of the configs that are different between the two config
24 # $ config-bisect.pl /path/to/good/config /path/to/bad/config
31 # The algorithm will run, merging half of the differences between
[all …]
/linux/drivers/clk/sunxi/
H A Dclk-sun4i-tcon-ch1.c1 // SPDX-License-Identifier: GPL-2.0-or-later
5 * Maxime Ripard <maxime.ripard@free-electrons.com>
8 #include <linux/clk-provider.h>
40 spin_lock_irqsave(&tclk->lock, flags); in tcon_ch1_disable()
41 reg = readl(tclk->reg); in tcon_ch1_disable()
43 writel(reg, tclk->reg); in tcon_ch1_disable()
44 spin_unlock_irqrestore(&tclk->lock, flags); in tcon_ch1_disable()
53 spin_lock_irqsave(&tclk->lock, flags); in tcon_ch1_enable()
54 reg = readl(tclk->reg); in tcon_ch1_enable()
56 writel(reg, tclk->reg); in tcon_ch1_enable()
[all …]
/linux/arch/parisc/include/asm/
H A Dchecksum.h1 /* SPDX-License-Identifier: GPL-2.0 */
9 * and adds in "sum" (32-bit)
11 * returns a 32-bit number suitable for feeding into itself
17 * it's best to have buff aligned on a 32-bit boundary
34 " addib,<= -4, %2, 2f\n" in ip_fast_csum()
43 " addib,> -1, %2, 1b\n" in ip_fast_csum()
51 " subi -1, %0, %0\n" in ip_fast_csum()
66 /* add the swapped two 16-bit halves of sum, in csum_fold()
67 a possible carry from adding the two 16-bit halves, in csum_fold()
68 will carry from the lower half into the upper half, in csum_fold()
[all …]
/linux/drivers/net/can/spi/mcp251xfd/
H A Dmcp251xfd-ram.c1 // SPDX-License-Identifier: GPL-2.0
3 // mcp251xfd - Microchip MCP251xFD Family CAN controller driver
6 // Marc Kleine-Budde <kernel@pengutronix.de>
9 #include "mcp251xfd-ram.h"
17 max = min_t(u8, obj->max, obj->fifo_num * config->fifo_depth); in can_ram_clamp()
18 return clamp(val, obj->min, max); in can_ram_clamp()
26 u8 fifo_num = obj->fifo_num; in can_ram_rounddown_pow_of_two()
35 * coalescing or only half of FIFO (FIFO Half Full in can_ram_rounddown_pow_of_two()
36 * IRQ) and use remaining half for normal objects. in can_ram_rounddown_pow_of_two()
38 ret = min_t(u8, coalesce * 2, config->fifo_depth); in can_ram_rounddown_pow_of_two()
[all …]
/linux/arch/riscv/crypto/
H A Dchacha-riscv64-zvkb.S1 /* SPDX-License-Identifier: Apache-2.0 OR BSD-2-Clause */
3 // This file is dual-licensed, meaning that you can use it under your
39 // The generated code of this file depends on the following RISC-V extensions:
40 // - RV64I
41 // - RISC-V Vector ('V') with VLEN >= 128
42 // - RISC-V Vector Cryptography Bit-manipulation extension ('Zvkb')
87 vror.vi \d0, \d0, 32 - 16
88 vror.vi \d1, \d1, 32 - 16
89 vror.vi \d2, \d2, 32 - 16
90 vror.vi \d3, \d3, 32 - 16
[all …]
/linux/sound/soc/fsl/
H A Dlpc3xxx-i2s.h1 /* SPDX-License-Identifier: GPL-2.0-or-later */
19 struct mutex lock; /* To serialize user-space access */
50 #define LPC3XXX_I2S_WS_HP(s) FIELD_PREP(0x7FC0, s) /* Word select half period - 1 */
53 #define LPC3XXX_I2S_WW32_HP 0x1f /* Word select half period for 32bit word width */
54 #define LPC3XXX_I2S_WW16_HP 0x0f /* Word select half period for 16bit word width */
55 #define LPC3XXX_I2S_WW8_HP 0x7 /* Word select half period for 8bit word width */
/linux/tools/testing/selftests/powerpc/tm/
H A Dtm-signal.S1 /* SPDX-License-Identifier: GPL-2.0-or-later */
57 * 'all good' return value, zero is used to indicate a non-doomed
67 /* Get the second half of the array */
74 /* Get the second half of the array */
81 /* Get the second half of the array */
88 /* Get the second half of the array */
/linux/include/clocksource/
H A Dtimer-davinci.h1 /* SPDX-License-Identifier: GPL-2.0-only */
22 * struct davinci_timer_cfg - davinci clocksource driver configuration struct
25 * @cmp_off: if set - it specifies the compare register used for clockevent
28 * clock half for both clocksource and clockevent and the compare register
32 * This is only used by da830 the DSP of which uses the top half. The timer
33 * driver still configures the top half to run in free-run mode.
/linux/arch/x86/math-emu/
H A Dreg_round.S1 /* SPDX-License-Identifier: GPL-2.0 */
3 /*---------------------------------------------------------------------------+
10 | Australia. E-mail billm@suburbia.net |
20 | Return value is the tag of the answer, or-ed with FPU_Exception if |
21 | one was raised, or -1 on internal error. |
26 +---------------------------------------------------------------------------*/
28 /*---------------------------------------------------------------------------+
47 | must be non-zero. |
48 | If the significand extension is non-zero then the significand is |
52 | non-zero values: |
[all …]
/linux/drivers/net/ethernet/cavium/liquidio/
H A Docteon_device.c7 * Copyright (c) 2003-2016 Cavium, Inc.
14 * AS-IS and WITHOUT ANY WARRANTY; without even the implied warranty
68 /* Max Txqs: Half for each of the two ports :max_iq/2 */
74 /* Max Rxqs: Half for each of the two ports :max_oq/2 */
97 /* Max Txqs: Half for each of the two ports :max_iq/2 */
103 /* Max Rxqs: Half for each of the two ports :max_oq/2 */
176 /* Max Txqs: Half for each of the two ports :max_iq/2 */
182 /* Max Rxqs: Half for each of the two ports :max_oq/2 */
205 /* Max Txqs: Half for each of the two ports :max_iq/2 */
211 /* Max Rxqs: Half for each of the two ports :max_oq/2 */
[all …]
/linux/Documentation/networking/device_drivers/ethernet/intel/
H A De1000.rst1 .. SPDX-License-Identifier: GPL-2.0+
8 Copyright(c) 1999 - 2013 Intel Corporation.
13 - Identifying Your Adapter
14 - Command Line Parameters
15 - Speed and Duplex Configuration
16 - Additional Configurations
17 - Support
50 -------
54 :Valid Range: 0x01-0x0F, 0x20-0x2F
57 This parameter is a bit-mask that specifies the speed and duplex settings
[all …]
/linux/arch/sh/drivers/dma/
H A Ddmabrg.c1 // SPDX-License-Identifier: GPL-2.0
5 * (c) 2007 MSC Vertriebsges.m.b.H, Manuel Lauss <mlau@msc-ge.com>
17 * from USB-SRAM/Audio units to main memory (and also the LCDC; but that
23 * -----------------------------------------------------
24 * 0 | USB-DMA | ... | xfer done | DMABRGI1
25 * 1 | USB-UAE | ... | USB addr err.| DMABRGI0
27 * 3 | HAC0/SSI0 | play| half done | DMABRGI2
29 * 5 | HAC0/SSI0 | rec | half done | DMABRGI2
31 * 7 | HAC1/SSI1 | play| half done | DMABRGI2
33 * 9 | HAC1/SSI1 | rec | half done | DMABRGI2
[all …]
/linux/arch/arm64/include/asm/
H A Dkvm_mmu.h1 /* SPDX-License-Identifier: GPL-2.0-only */
3 * Copyright (C) 2012,2013 - ARM Ltd
29 * and that half of that space (VA_BITS - 1) is used for the linear
30 * mapping, we can also limit the EL2 space to (VA_BITS - 1).
33 * top or the bottom half of that space to shadow the kernel's linear
37 * If the page is in the bottom half, we have to use the top half. If
38 * the page is in the top half, we have to use the bottom half:
41 * if (T & BIT(VA_BITS - 1))
42 * HYP_VA_MIN = 0 //idmap in upper half
44 * HYP_VA_MIN = 1 << (VA_BITS - 1)
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