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12

/linux/drivers/rtc/
H A Dinterface.c1 // SPDX-License-Identifier: GPL-2.0
27 if (!rtc->offset_secs) in rtc_add_offset()
35 * between expanded range and original range, which is no need to add in rtc_add_offset()
38 if ((rtc->start_secs > rtc->range_min && secs >= rtc->start_secs) || in rtc_add_offset()
39 (rtc->start_secs < rtc->range_min && in rtc_add_offset()
40 secs <= (rtc->start_secs + rtc->range_max - rtc->range_min))) in rtc_add_offset()
43 rtc_time64_to_tm(secs + rtc->offset_secs, tm); in rtc_add_offset()
50 if (!rtc->offset_secs) in rtc_subtract_offset()
57 * device, then no need to subtract the offset when setting time to RTC in rtc_subtract_offset()
61 if (secs >= rtc->range_min && secs <= rtc->range_max) in rtc_subtract_offset()
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H A Drtc-ds1305.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * rtc-ds1305.c -- driver for DS1305 and DS1306 SPI RTC chips
21 * otherwise you're reading it. All non-bitmask values are BCD.
27 * - Need fancy "hours" encoding in 12hour mode
28 * - Don't rely on the "day-of-week" field (or tm_wday)
29 * - Are a 21st-century clock (2000 <= year < 2100)
50 * NOTE ALSO that while we could generate once-a-second IRQs (UIE), we
52 * no alarm is pending (not the standard model), or to use the second
98 /*----------------------------------------------------------------------*/
101 * Utilities ... tolerate 12-hour AM/PM notation in case of non-Linux
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H A Drtc-pcf85063.c1 // SPDX-License-Identifier: GPL-2.0
7 * Maintainers: http://www.nslu2-linux.org/
12 #include <linux/clk-provider.h>
24 * https://www.nxp.com/docs/en/data-sheet/PCF85063A.pdf
25 * https://www.nxp.com/docs/en/data-sheet/PCF85063TP.pdf
27 * PCF85063A -- Rev. 7 — 30 March 2018
28 * PCF85063TP -- Rev. 4 — 6 May 2015
30 * https://www.microcrystal.com/fileadmin/Media/Products/RTC/App.Manual/RV-8263-C7_App-Manual.pdf
31 * RV8263 -- Rev. 1.0 — January 2019
84 * event, the access must be finished within one second. So, read all in pcf85063_rtc_read_time()
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/linux/arch/arm/mm/
H A Dcontext.c1 // SPDX-License-Identifier: GPL-2.0-only
5 * Copyright (C) 2002-2003 Deep Blue Solutions Ltd, all rights reserved.
20 #include <asm/proc-fns.h>
26 * +-------------------------+-----------+
28 * +-------------------------+-----------+
30 * +-------------------------------------+
37 * by non-64-bit operations.
59 context_id = mm->context.id.counter; in a15_erratum_get_cpumask()
80 * no need for a reserved set of tables (the active ASID tracking prevents
81 * any issues across a rollover).
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/linux/drivers/net/ethernet/sun/
H A Dcassini.h1 /* SPDX-License-Identifier: GPL-2.0+ */
29 /* cassini register map: 2M memory mapped in 32-bit memory space accessible as
30 * 32-bit words. there is no i/o port access. REG_ addresses are
62 /* top level interrupts [0-9] are auto-cleared to 0 when the status
63 * register is read. second level interrupts [13 - 18] are cleared at
64 * the source. tx completion register 3 is replicated in [19 - 31]
85 #define INTR_RX_BUF_UNAVAIL 0x00000020 /* no more receive buffers.
89 #define INTR_RX_COMP_FULL 0x00000080 /* no more room in completion
104 len of non-reassembly pkt
143 /* top level interrupt bits that are cleared during read of REG_INTR_STATUS_ALIAS.
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/linux/drivers/md/dm-vdo/
H A Ddedupe.c1 // SPDX-License-Identifier: GPL-2.0-only
14 * deduplicate against a single block instead of being serialized through a PBN read lock. Only one
19 * to that zone. The concurrency guarantees of this single-threaded model allow the code to omit
20 * more fine-grained locking for the hash_lock structures.
33 * new data_vios that arrive) use to share a PBN lock. In state DEDUPING, there is no agent. When
43 * lock (LOCKING), to the kernel I/O threads to read and verify the data (VERIFYING), or to write a
47 * index query (UPDATING, triggered by stale advice, compression, and rollover), releasing the PBN
51 * The shortest sequence of states is for non-concurrent writes of new data:
52 * INITIALIZING -> QUERYING -> WRITING -> BYPASSING
53 * This sequence is short because no PBN read lock or index update is needed.
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/linux/net/packet/
H A Daf_packet.c1 // SPDX-License-Identifier: GPL-2.0-or-later
7 * PACKET - implements raw packet sockets.
15 * Alan Cox : new skbuff lists, look ma no backlogs!
18 * added. Also fixed the peek/read crash
22 * Alan Cox : Re-commented the code.
27 * dubious gcc output. Can you read
30 * Alan Cox : New buffers. Use sk->mac.raw.
101 - If the device has no dev->header_ops->create, there is no LL header
108 needed_headroom to be (the real WiFi header length - the fake Ethernet
110 - packet socket receives packets with pulled ll header,
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/linux/drivers/gpu/drm/msm/
H A Dmsm_fence.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * Copyright (C) 2013-2016 Red Hat
7 #include <linux/dma-fence.h>
15 struct msm_drm_private *priv = fctx->dev->dev_private; in fctx2gpu()
16 return priv->gpu; in fctx2gpu()
24 kthread_queue_work(fctx2gpu(fctx)->worker, &fctx->deadline_work); in deadline_timer()
35 if (msm_fence_completed(fctx, fctx->next_deadline_fence)) in deadline_work()
51 return ERR_PTR(-ENOMEM); in msm_fence_context_alloc()
53 fctx->dev = dev; in msm_fence_context_alloc()
54 strscpy(fctx->name, name, sizeof(fctx->name)); in msm_fence_context_alloc()
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/linux/Documentation/firmware-guide/acpi/apei/
H A Doutput_format.rst1 .. SPDX-License-Identifier: GPL-2.0
55 [cache error][, TLB error][, bus error][, micro-architectural error]
57 <proc operation string>* := unknown or generic | data read | data write | \
81 unknown | no error | single-bit ECC | multi-bit ECC | \
82 single-symbol chipkill ECC | multi-symbol chipkill ECC | master abort | \
106 downstream switch port | PCIe to PCI/PCI-X bridge | \
107 PCI/PCI-X to PCIe bridge | root complex integrated endpoint device | \
120 Bad TLP | Bad DLLP | RELAY_NUM Rollover | unknown | unknown | unknown | \
121 Replay Timer Timeout | Advisory Non-Fatal
/linux/drivers/gpu/drm/i915/display/
H A Dintel_tv_regs.h1 /* SPDX-License-Identifier: MIT */
34 /* Selects no oversampling for 1080p */
41 /* Sets the colorburst to PAL mode. Required for non-M PAL modes. */
56 /* Read-only state that reports all features enabled */
58 /* Read-only state that reports that Macrovision is disabled in hardware*/
60 /* Read-only state that reports that TV-out is disabled in hardware. */
64 /* Encoder test pattern 1 - combo pattern */
66 /* Encoder test pattern 2 - full screen vertical 75% color bars */
68 /* Encoder test pattern 3 - full screen horizontal 75% color bars */
70 /* Encoder test pattern 4 - random noise */
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/linux/drivers/usb/dwc2/
H A Dhcd.h1 /* SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause) */
3 * hcd.h - DesignWare HS OTG Controller host-mode declarations
5 * Copyright (C) 2004-2013 Synopsys, Inc.
24 * struct dwc2_host_chan - Software host channel descriptor
31 * - USB_SPEED_LOW
32 * - USB_SPEED_FULL
33 * - USB_SPEED_HIGH
35 * - USB_ENDPOINT_XFER_CONTROL: 0
36 * - USB_ENDPOINT_XFER_ISOC: 1
37 * - USB_ENDPOINT_XFER_BULK: 2
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/linux/arch/m68k/bvme6000/
H A Dconfig.c1 // SPDX-License-Identifier: GPL-2.0-or-later
28 #include <asm/bootinfo-vme.h>
46 if (be16_to_cpu(bi->tag) == BI_VME_TYPE) in bvme6000_parse_bootinfo()
62 pit->pcddr |= 0x10; /* WDOG enable */ in bvme6000_reset()
112 pit->pgcr = 0x00; /* Unidirectional 8 bit, no handshake for now */ in config_bvme6000()
113 pit->psrr = 0x18; /* PIACK and PIRQ functions enabled */ in config_bvme6000()
114 pit->pacr = 0x00; /* Sub Mode 00, H2 i/p, no DMA */ in config_bvme6000()
115 pit->padr = 0x00; /* Just to be tidy! */ in config_bvme6000()
116 pit->paddr = 0x00; /* All inputs for now (safest) */ in config_bvme6000()
117 pit->pbcr = 0x80; /* Sub Mode 1x, H4 i/p, no DMA */ in config_bvme6000()
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/linux/drivers/gpu/drm/amd/include/
H A Dkgd_pp_interface.h16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
167 PP_SMC_POWER_PROFILE_UNKNOWN = -1,
237 * APU power is managed to system-level requirements through the PPT
247 * enum pp_power_limit_level - Used to query the power limits
255 PP_PWR_LIMIT_MIN = -1,
262 * enum pp_power_type - Used to specify the type of the requested power
275 XGMI_PLPD_NONE = -1,
283 PP_PM_POLICY_NONE = -1,
768 /* Energy (15.259uJ (2^-16) units) */
804 /* PCIE replay rollover accumulated count */
[all …]
/linux/include/linux/
H A Dhp_sdc.h2 * HP i8042 System Device Controller -- header
22 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
31 * HP-HIL Technical Reference Manual. Hewlett Packard Product No. 45918A
34 * for Part Number 1820-4784 Revision B. Dwg No. A-1820-4784-2
50 /* No 4X status reads take longer than this (in usec).
104 #define HP_SDC_STATUS_PUP 0x70 /* Successful power-up self test */
134 #define HP_SDC_STR 0x7f /* i8042 self-test result */
146 #define HP_SDC_CFG_ROLLOVER 0x08 /* WTF is "N-key rollover"? */
149 #define HP_SDC_CFG_KBD_OLD 0x03 /* keyboard code for non-HIL */
167 case 0x1: str = "1820-3712"; break; \
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/linux/drivers/net/ethernet/cadence/
H A Dmacb_ptp.c1 // SPDX-License-Identifier: GPL-2.0-only
5 * Copyright (C) 2017 Cadence Design Systems - https://www.cadence.com
26 #define GEM_PTP_TIMER_NAME "gem-ptp-timer"
31 if (bp->hw_dma_cap == HW_DMA_CAP_PTP) in macb_ptp_desc()
34 if (bp->hw_dma_cap == HW_DMA_CAP_64B_PTP) in macb_ptp_desc()
49 spin_lock_irqsave(&bp->tsu_clk_lock, flags); in gem_tsu_get_time()
57 /* test for nsec rollover */ in gem_tsu_get_time()
59 /* if so, use later read & re-read seconds in gem_tsu_get_time()
63 ts->tv_nsec = gem_readl(bp, TN); in gem_tsu_get_time()
68 ts->tv_nsec = first; in gem_tsu_get_time()
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/linux/arch/powerpc/kernel/
H A Dhead_44x.S1 /* SPDX-License-Identifier: GPL-2.0-or-later */
5 * Copyright (c) 1995-1996 Gary Thomas <gdt@linuxppc.org>
10 * Low-level exception handers, MMU support, and rewrite.
13 * Copyright (c) 1998-1999 TiVo, Inc.
23 * Copyright 2002-2005 MontaVista Software, Inc.
35 #include <asm/asm-offsets.h>
38 #include <asm/code-patching-asm.h>
46 * r3 - Board info structure pointer (DRAM, frequency, MAC address, etc.)
47 * r4 - Starting address of the init RAM disk
48 * r5 - Ending address of the init RAM disk
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/linux/drivers/scsi/
H A Dqlogicpti.h1 /* SPDX-License-Identifier: GPL-2.0 */
41 * slots available. That is, host->can_queue and host->sg_tablesize
46 #define QLOGICPTI_REQ_QUEUE_LEN 255 /* must be power of two - 1 */
47 #define QLOGICPTI_MAX_SG(ql) (4 + (((ql) > 0) ? 7*((ql) - 1) : 0))
298 * ---------
322 #define RES_QUEUE_LEN 255 /* Must be power of two - 1 */
327 #define PREV_REQ_PTR(wheee) (((wheee) - 1) & QLOGICPTI_REQ_QUEUE_LEN)
328 #define PREV_RES_PTR(wheee) (((wheee) - 1) & RES_QUEUE_LEN)
352 /* The cmd->handler is only 32-bits, so that things work even on monster
354 * scsi command pointers here. This is essentially what Matt Jacob does. -DaveM
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/linux/drivers/firmware/arm_scmi/vendors/imx/
H A Dimx95.rst1 .. SPDX-License-Identifier: GPL-2.0
12 The System Manager (SM) is a low-level system function which runs on a System
15 runs on a Cortex-M processor and provides an abstraction to many of the
38 This protocol is intended provide access to the battery-backed module. This
43 - Describe the protocol version.
44 - Discover implementation attributes.
45 - Read/write GPR
46 - Discover the RTCs available in the system.
47 - Read/write the RTC time in seconds and ticks
48 - Set an alarm (per LM) in seconds
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/linux/drivers/gpu/drm/msm/adreno/
H A Da3xx_gpu.c1 // SPDX-License-Identifier: GPL-2.0-only
33 struct msm_ringbuffer *ring = submit->ring; in a3xx_submit()
36 for (i = 0; i < submit->nr_cmds; i++) { in a3xx_submit()
37 switch (submit->cmd[i].type) { in a3xx_submit()
39 /* ignore IB-targets */ in a3xx_submit()
43 if (ring->cur_ctx_seqno == submit->queue->ctx->seqno) in a3xx_submit()
48 OUT_RING(ring, lower_32_bits(submit->cmd[i].iova)); in a3xx_submit()
49 OUT_RING(ring, submit->cmd[i].size); in a3xx_submit()
56 OUT_RING(ring, submit->seqno); in a3xx_submit()
73 OUT_RING(ring, submit->seqno); in a3xx_submit()
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/linux/drivers/net/wireless/marvell/mwifiex/
H A Dpcie.c1 // SPDX-License-Identifier: GPL-2.0-only
5 * Copyright 2011-2020 NXP
183 if (!of_match_node(mwifiex_pcie_of_match_table, dev->of_node)) { in mwifiex_pcie_probe_of()
185 return -EINVAL; in mwifiex_pcie_probe_of()
199 struct pcie_service_card *card = adapter->card; in mwifiex_map_pci_memory()
202 mapping.addr = dma_map_single(&card->dev->dev, skb->data, size, flags); in mwifiex_map_pci_memory()
203 if (dma_mapping_error(&card->dev->dev, mapping.addr)) { in mwifiex_map_pci_memory()
205 return -1; in mwifiex_map_pci_memory()
215 struct pcie_service_card *card = adapter->card; in mwifiex_unmap_pci_memory()
219 dma_unmap_single(&card->dev->dev, mapping.addr, mapping.len, flags); in mwifiex_unmap_pci_memory()
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/linux/drivers/net/ethernet/xircom/
H A Dxirc2ps_cs.c3 * Xircom Realport 10/100 (RE-100) driver
6 * including the CE2, CE IIps, RE-10, CEM28, CEM33, CE33, CEM56,
7 * CE3-100, CE3B, RE-100, REM10BT, and REM56G-100.
9 * 2000-09-24 <psheer@icon.co.za> The Xircom CE3B-100 may not
37 * the restrictions contained in a BSD-style copyright.)
55 * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
160 DisableAutoTx = 0x40, /* disable auto-transmit */
164 /* values for the leds: Bits 2-0 for led 1
165 * 0 disabled Bits 5-3 for led 2
202 #define XIRCREG42_BOC 10 /* Back-Off Configuration */
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/linux/drivers/net/ethernet/chelsio/cxgb/
H A Dpm3393.c1 // SPDX-License-Identifier: GPL-2.0-only
8 * PMC/SIERRA (pm3393) MAC-PHY functionality. *
14 * Copyright (c) 2003 - 2005 Chelsio Communications, Inc. *
87 t1_tpi_read(cmac->adapter, OFFSET(reg), data32); in pmread()
93 t1_tpi_write(cmac->adapter, OFFSET(reg), data32); in pmwrite()
115 /* PM3393 - Enabling all hardware block interrupts. in pm3393_interrupt_enable()
138 /* PM3393 - Global interrupt enable in pm3393_interrupt_enable()
144 /* TERMINATOR - PL_INTERUPTS_EXT */ in pm3393_interrupt_enable()
145 pl_intr = readl(cmac->adapter->regs + A_PL_ENABLE); in pm3393_interrupt_enable()
147 writel(pl_intr, cmac->adapter->regs + A_PL_ENABLE); in pm3393_interrupt_enable()
[all …]
/linux/drivers/md/
H A Ddm-era-target.c1 // SPDX-License-Identifier: GPL-2.0-only
3 #include "persistent-data/dm-transaction-manager.h"
4 #include "persistent-data/dm-bitset.h"
5 #include "persistent-data/dm-space-map.h"
7 #include <linux/dm-io.h>
8 #include <linux/dm-kcopyd.h>
26 *--------------------------------------------------------------
28 *--------------------------------------------------------------
51 vfree(ws->bits); in writeset_free()
52 ws->bits = NULL; in writeset_free()
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/linux/drivers/net/ethernet/ti/
H A Dam65-cpts.c1 // SPDX-License-Identifier: GPL-2.0
4 * Copyright (C) 2020 Texas Instruments Incorporated - http://www.ti.com
9 #include <linux/clk-provider.h>
23 #include "am65-cpts.h"
133 AM65_CPTS_EV_ROLL, /* Time Stamp Rollover Event */
134 AM65_CPTS_EV_HALF, /* Time Stamp Half Rollover Event */
201 #define am65_cpts_write32(c, v, r) writel(v, &(c)->reg->r)
202 #define am65_cpts_read32(c, r) readl(&(c)->reg->r)
219 cpts->ts_add_val = (NSEC_PER_SEC / cpts->refclk_freq - 1) & 0x7; in am65_cpts_set_add_val()
221 am65_cpts_write32(cpts, cpts->ts_add_val, ts_add_val); in am65_cpts_set_add_val()
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/linux/Documentation/networking/
H A Dpacket_mmap.rst1 .. SPDX-License-Identifier: GPL-2.0
22 - Ulisses Alonso Camaró <uaca@i.hate.spam.alumni.uv.es>
23 - Johann Baudy
36 most of the time there is no need to issue a single system call. Concerning
67 [setup] socket() -------> creation of the capture socket
68 setsockopt() ---> allocation of the circular buffer (ring)
70 mmap() ---------> mapping of the allocated buffer to the
73 [capture] poll() ---------> to wait for incoming packets
75 [shutdown] close() --------> destruction of the capture socket and
88 supported and a link level pseudo-header is provided
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