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/Linux-v6.1/drivers/rtc/
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()
[all …]
Drtc-dm355evm.c1 // SPDX-License-Identifier: GPL-2.0+
3 * rtc-dm355evm.c - access battery-backed counter in MSP430 firmware
19 * reasonable RTC for applications where alarms and non-NTP drift
22 * The only real glitch is the inability to read or write all four
41 * Read LSB(0) to MSB(3) bytes. Defend against the counter in dm355evm_rtc_read_time()
42 * rolling over by re-reading until the value is stable, in dm355evm_rtc_read_time()
75 dev_dbg(dev, "read timestamp %08x\n", time.value); in dm355evm_rtc_read_time()
93 * REVISIT handle non-atomic writes ... maybe just retry until in dm355evm_rtc_set_time()
94 * byte[1] sticks (no rollover)? in dm355evm_rtc_set_time()
120 /*----------------------------------------------------------------------*/
[all …]
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
[all …]
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()
[all …]
/Linux-v6.1/arch/arm/mm/
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).
[all …]
/Linux-v6.1/drivers/mtd/devices/
Dmchp48l640.c1 // SPDX-License-Identifier: GPL-2.0
11 * are wrong ... no idea why.
76 mutex_lock(&flash->lock); in mchp48l640_read_status()
77 ret = spi_write_then_read(flash->spi, &cmd[0], 1, &cmd[1], 1); in mchp48l640_read_status()
78 mutex_unlock(&flash->lock); in mchp48l640_read_status()
81 dev_dbg(&flash->spi->dev, "read status ret: %d status: %x", ret, *status); in mchp48l640_read_status()
94 dev_dbg(&flash->spi->dev, "read status ret: %d bit: %x %sset status: %x", in mchp48l640_waitforbit()
110 dev_err(&flash->spi->dev, "Timeout waiting for bit %x %s set in status register.", in mchp48l640_waitforbit()
112 return -ETIMEDOUT; in mchp48l640_waitforbit()
125 mutex_lock(&flash->lock); in mchp48l640_write_prepare()
[all …]
/Linux-v6.1/drivers/net/ethernet/sun/
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.
[all …]
/Linux-v6.1/Documentation/devicetree/bindings/eeprom/
Dat24.yaml1 # SPDX-License-Identifier: GPL-2.0-only
4 ---
6 $schema: "http://devicetree.org/meta-schemas/core.yaml#"
11 - Bartosz Golaszewski <bgolaszewski@baylibre.com>
17 pattern: "^atmel,(24(c|cs|mac)[0-9]+|spd)$"
19 - compatible
23 pattern: "^eeprom@[0-9a-f]{1,2}$"
33 - allOf:
34 - minItems: 1
36 … - pattern: "^(atmel|catalyst|microchip|nxp|ramtron|renesas|rohm|st),(24(c|cs|lc|mac)[0-9]+|spd)$"
[all …]
/Linux-v6.1/net/packet/
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,
[all …]
/Linux-v6.1/drivers/misc/eeprom/
Dat24.c1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * at24.c - handle most I2C EEPROMs
5 * Copyright (C) 2005-2007 David Brownell
20 #include <linux/nvmem-provider.h>
30 /* sysfs-entry will be read-only. */
32 /* sysfs-entry will be world-readable. */
36 /* Factory-programmed serial number. */
38 /* Factory-programmed mac address. */
40 /* Does not auto-rollover reads to the next slave address. */
46 * MicroChip 24LC, etc) won't much matter for typical read/write access.
[all …]
Dat25.c1 // SPDX-License-Identifier: GPL-2.0-or-later
21 #include <linux/nvmem-provider.h>
49 #define AT25_RDSR 0x05 /* read status register */
51 #define AT25_READ 0x03 /* read byte(s) */
54 #define FM25_RDID 0x9f /* read device ID */
55 #define FM25_RDSN 0xc3 /* read S/N */
57 #define AT25_SR_nRDY 0x01 /* nRDY = write-in-progress */
73 /*-------------------------------------------------------------------------*/
82 size_t max_chunk = spi_max_transfer_size(at25->spi); in at25_ee_read()
92 if (unlikely(offset >= at25->chip.byte_len)) in at25_ee_read()
[all …]
/Linux-v6.1/Documentation/firmware-guide/acpi/apei/
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-v6.1/drivers/usb/dwc2/
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
[all …]
/Linux-v6.1/arch/m68k/bvme6000/
Dconfig.c31 #include <asm/bootinfo-vme.h>
49 if (be16_to_cpu(bi->tag) == BI_VME_TYPE) in bvme6000_parse_bootinfo()
65 pit->pcddr |= 0x10; /* WDOG enable */ in bvme6000_reset()
115 pit->pgcr = 0x00; /* Unidirectional 8 bit, no handshake for now */ in config_bvme6000()
116 pit->psrr = 0x18; /* PIACK and PIRQ functions enabled */ in config_bvme6000()
117 pit->pacr = 0x00; /* Sub Mode 00, H2 i/p, no DMA */ in config_bvme6000()
118 pit->padr = 0x00; /* Just to be tidy! */ in config_bvme6000()
119 pit->paddr = 0x00; /* All inputs for now (safest) */ in config_bvme6000()
120 pit->pbcr = 0x80; /* Sub Mode 1x, H4 i/p, no DMA */ in config_bvme6000()
121 pit->pbdr = 0xbc | (*config_reg_ptr & BVME_CONFIG_SW1 ? 0 : 0x40); in config_bvme6000()
[all …]
/Linux-v6.1/include/linux/
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; \
[all …]
/Linux-v6.1/drivers/net/ethernet/cadence/
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()
[all …]
/Linux-v6.1/drivers/scsi/
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
[all …]
/Linux-v6.1/drivers/gpu/drm/msm/adreno/
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 (gpu->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()
[all …]
/Linux-v6.1/drivers/usb/misc/
Diowarrior.c1 // SPDX-License-Identifier: GPL-2.0
3 * Native support for the I/O-Warrior USB devices
5 * Copyright (c) 2003-2005, 2020 Code Mercenaries GmbH
11 * usb-skeleton.c by Greg Kroah-Hartman <greg@kroah.com>
27 #define DRIVER_DESC "USB IO-Warrior driver"
68 /*--------------*/
70 /*--------------*/
81 unsigned char *int_in_buffer; /* buffer for data to be read */
85 wait_queue_head_t write_wait; /* wait-queue for writing to the device */
86 atomic_t write_busy; /* number of write-urbs submitted */
[all …]
/Linux-v6.1/drivers/net/wireless/marvell/mwifiex/
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()
197 struct pcie_service_card *card = adapter->card; in mwifiex_map_pci_memory()
200 mapping.addr = dma_map_single(&card->dev->dev, skb->data, size, flags); in mwifiex_map_pci_memory()
201 if (dma_mapping_error(&card->dev->dev, mapping.addr)) { in mwifiex_map_pci_memory()
203 return -1; in mwifiex_map_pci_memory()
213 struct pcie_service_card *card = adapter->card; in mwifiex_unmap_pci_memory()
217 dma_unmap_single(&card->dev->dev, mapping.addr, mapping.len, flags); in mwifiex_unmap_pci_memory()
[all …]
/Linux-v6.1/drivers/net/ethernet/ti/
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 */
186 #define am65_cpts_write32(c, v, r) writel(v, &(c)->reg->r)
187 #define am65_cpts_read32(c, r) readl(&(c)->reg->r)
204 cpts->ts_add_val = (NSEC_PER_SEC / cpts->refclk_freq - 1) & 0x7; in am65_cpts_set_add_val()
206 am65_cpts_write32(cpts, cpts->ts_add_val, ts_add_val); in am65_cpts_set_add_val()
[all …]
/Linux-v6.1/arch/powerpc/kernel/
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>
39 #include <asm/code-patching-asm.h>
47 * r3 - Board info structure pointer (DRAM, frequency, MAC address, etc.)
48 * r4 - Starting address of the init RAM disk
49 * r5 - Ending address of the init RAM disk
[all …]
/Linux-v6.1/drivers/net/ethernet/xircom/
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 */
[all …]
/Linux-v6.1/sound/pci/hda/
Dhda_controller.c1 // SPDX-License-Identifier: GPL-2.0-or-later
21 /* for art-tsc conversion */
60 return &apcm->info->stream[substream->stream]; in to_hda_pcm_stream()
70 if (!hinfo->ops.get_delay) in azx_adjust_codec_delay()
73 codec_frames = hinfo->ops.get_delay(hinfo, apcm->codec, substream); in azx_adjust_codec_delay()
75 substream->runtime->rate); in azx_adjust_codec_delay()
77 if (substream->stream == SNDRV_PCM_STREAM_CAPTURE) in azx_adjust_codec_delay()
80 return (nsec > codec_nsecs) ? nsec - codec_nsecs : 0; in azx_adjust_codec_delay()
91 struct azx *chip = apcm->chip; in azx_pcm_close()
95 mutex_lock(&chip->open_mutex); in azx_pcm_close()
[all …]
/Linux-v6.1/drivers/net/ethernet/chelsio/cxgb/
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 …]

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