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/linux-5.10/Documentation/devicetree/bindings/spi/
Dspi-sifive.yaml1 # SPDX-License-Identifier: GPL-2.0
3 ---
4 $id: http://devicetree.org/schemas/spi/spi-sifive.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Pragnesh Patel <pragnesh.patel@sifive.com>
11 - Paul Walmsley <paul.walmsley@sifive.com>
12 - Palmer Dabbelt <palmer@sifive.com>
15 - $ref: "spi-controller.yaml#"
20 - const: sifive,fu540-c000-spi
21 - const: sifive,spi0
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/linux-5.10/tools/spi/
Dspidev_test.c1 // SPDX-License-Identifier: GPL-2.0-only
8 * Cross-compile with cross-gcc -I/path/to/cross-kernel/include
40 static uint8_t bits = 8; variable
71 while (length-- > 0) { in hex_dump()
91 * Unescape - process hexadecimal escape character
92 * converts shell input "\x23" -> 0x23
128 .bits_per_word = bits, in transfer()
175 printf("Usage: %s [-DsbdlHOLC3vpNR24SI]\n", prog); in print_usage()
176 puts(" -D --device device to use (default /dev/spidev1.1)\n" in print_usage()
177 " -s --speed max speed (Hz)\n" in print_usage()
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/linux-5.10/fs/jfs/
Djfs_dmap.h1 /* SPDX-License-Identifier: GPL-2.0-or-later */
3 * Copyright (C) International Business Machines Corp., 2000-2002
13 #define LPERDMAP 256 /* num leaves per dmap tree */
14 #define L2LPERDMAP 8 /* l2 number of leaves per dmap tree */
15 #define DBWORD 32 /* # of blks covered by a map word */
17 #define BUDMIN L2DBWORD /* max free string in a map word */
18 #define BPERDMAP (LPERDMAP * DBWORD) /* num of blks per dmap */
19 #define L2BPERDMAP 13 /* l2 num of blks per dmap */
22 #define LPERCTL 1024 /* num of leaves per dmapctl tree */
23 #define L2LPERCTL 10 /* l2 num of leaves per dmapctl tree */
[all …]
Djfs_dmap.c1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * Copyright (C) International Business Machines Corp., 2000-2004
41 * take the lock in read mode. a single top-down request may proceed
42 * exclusively while multiple bottoms-up requests may proceed
50 * in the face of multiple-bottoms up requests.
57 #define BMAP_LOCK_INIT(bmp) mutex_init(&bmp->db_bmaplock)
58 #define BMAP_LOCK(bmp) mutex_lock(&bmp->db_bmaplock)
59 #define BMAP_UNLOCK(bmp) mutex_unlock(&bmp->db_bmaplock)
88 static int dbFindBits(u32 word, int l2nb);
99 static int cnttz(u32 word);
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/linux-5.10/include/uapi/scsi/
Dscsi_bsg_fc.h1 /* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */
51 * (aka port_id), the value is effectively in big-endian
53 * element [0] is bits 23:16 of the FC Address Identifier
54 * element [1] is bits 15:8 of the FC Address Identifier
55 * element [2] is bits 7:0 of the FC Address Identifier
78 * There is no additional response data - fc_bsg_reply->result is sufficient
99 * There is no additional response data - fc_bsg_reply->result is sufficient
124 /* fc_bsg_ctels_reply->status values */
136 * LS_ACC or LS_RJT (by contents of word 0). The reject
137 * data will be in word 1.
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/linux-5.10/Documentation/devicetree/bindings/misc/
Deeprom-93xx46.txt4 - compatible : shall be one of:
6 "eeprom-93xx46"
7 - data-size : number of data bits per word (either 8 or 16)
10 - read-only : parameter-less property which disables writes to the EEPROM
11 - select-gpios : if present, specifies the GPIO that will be asserted prior to
14 Property rules described in Documentation/devicetree/bindings/spi/spi-bus.txt
15 apply. In particular, "reg" and "spi-max-frequency" properties must be given.
19 compatible = "eeprom-93xx46";
21 spi-max-frequency = <1000000>;
22 spi-cs-high;
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/linux-5.10/drivers/ntb/hw/idt/
Dntb_hw_idt.h7 * Copyright (C) 2016-2018 T-Platforms JSC All Rights Reserved.
36 * IDT PCIe-switch NTB Linux driver
39 * Serge Semin <fancer.lancer@gmail.com>, <Sergey.Semin@t-platforms.ru>
55 * the supported IDT PCIe-switches
66 * IDT PCIe-switches device IDs
78 * NT-function Configuration Space registers
79 * NOTE 1) The IDT PCIe-switch internal data is little-endian
83 * with byte-enables corresponding to their native size or
86 * So to simplify the driver code, there is only DWORD-sized read/write
94 /* PCI Express Device Control/Status (WORD+WORD) */
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/linux-5.10/arch/mips/cavium-octeon/executive/
Dcvmx-pko.c7 * Copyright (c) 2003-2008 Cavium Networks
14 * AS-IS and WITHOUT ANY WARRANTY; without even the implied warranty
21 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
34 #include <asm/octeon/cvmx-config.h>
35 #include <asm/octeon/cvmx-pko.h>
36 #include <asm/octeon/cvmx-helper.h>
64 return -1; in __cvmx_pko_int()
85 config.s.tail = (queue == (num_queues - 1)); in __cvmx_pko_iport_config()
95 (CVMX_FPA_OUTPUT_BUFFER_POOL_SIZE - in __cvmx_pko_iport_config()
191 * 64bit words. This allows the normal two word send to stay in cvmx_pko_initialize_global()
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/linux-5.10/drivers/crypto/ccp/
Dccp-dev.h1 /* SPDX-License-Identifier: GPL-2.0-only */
19 #include <linux/dma-direction.h>
27 #include "sp-dev.h"
63 /* ------------------------ CCP Version 5 Specifics ------------------------ */
103 #define QUEUE_SIZE_VAL ((ffs(COMMANDS_PER_QUEUE) - 2) & \
105 #define Q_PTR_MASK (2 << (QUEUE_SIZE_VAL + 5) - 1)
125 /* ------------------------ CCP Version 3 Specifics ------------------------ */
147 /* XTS-AES Related Values */
156 /* Pass-Through Related Values */
174 #define KSB_COUNT (KSB_END - KSB_START + 1)
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/linux-5.10/include/uapi/linux/
Dhdreg.h1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
17 #define IDE_DRIVE_TASK_INVALID -1
137 * 0x01->0x02 Reserved
141 * 0x04->0x07 Reserved
146 * 0x09->0x0F Reserved
151 * 0x10->0x1F Reserved
153 #define WIN_READ 0x20 /* 28-Bit */
154 #define WIN_READ_ONCE 0x21 /* 28-Bit without retries */
155 #define WIN_READ_LONG 0x22 /* 28-Bit */
156 #define WIN_READ_LONG_ONCE 0x23 /* 28-Bit without retries */
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/linux-5.10/drivers/net/ethernet/freescale/dpaa2/
Ddpaa2-eth.h1 /* SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause) */
2 /* Copyright 2014-2016 Freescale Semiconductor Inc.
3 * Copyright 2016-2020 NXP
16 #include <soc/fsl/dpaa2-io.h>
17 #include <soc/fsl/dpaa2-fd.h>
19 #include "dpni-cmd.h"
21 #include "dpaa2-eth-trace.h"
22 #include "dpaa2-eth-debugfs.h"
23 #include "dpaa2-mac.h"
29 /* Maximum number of scatter-gather entries in an ingress frame,
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/linux-5.10/Documentation/crypto/
Ddescore-readme.rst1 .. SPDX-License-Identifier: GPL-2.0
13 ------------------------------------------------------------------------------
15 des - fast & portable DES encryption & decryption.
42 2. PORTABILITY to any byte-addressable host with a 32bit unsigned C type
43 3. Plug-compatible replacement for KERBEROS's low-level routines.
46 register-starved machines. My discussions with Richard Outerbridge,
51 up in a parameterized fashion so it can easily be modified by speed-daemon
58 compile on a SPARCStation 1 (cc -O4, gcc -O2):
60 this code (byte-order independent):
62 - 30us per encryption (options: 64k tables, no IP/FP)
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/linux-5.10/Documentation/driver-api/serial/
Ddriver.rst10 The reference implementation is contained within amba-pl011.c.
15 --------------------------------
25 ---------------
38 -------
41 necessary locking using port->lock. There are some exceptions (which
44 There are two locks. A per-port spinlock, and an overall semaphore.
46 From the core driver perspective, the port->lock locks the following
49 port->mctrl
50 port->icount
51 port->state->xmit.head (circ_buf->head)
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/linux-5.10/arch/powerpc/platforms/512x/
Dmpc512x_lpbfifo.c1 // SPDX-License-Identifier: GPL-2.0-only
6 * Copyright (C) 2013-2015 Alexander Popov <alex.popov@linux.com>.
21 #include <linux/dma-direction.h>
22 #include <linux/dma-mapping.h>
61 * mpc512x_lpbfifo_irq - IRQ handler for LPB FIFO
76 if (!req || req->dir == MPC512X_LPBFIFO_REQ_DIR_READ) { in mpc512x_lpbfifo_irq()
81 status = in_be32(&lpbfifo.regs->status); in mpc512x_lpbfifo_irq()
84 out_be32(&lpbfifo.regs->enable, in mpc512x_lpbfifo_irq()
89 out_be32(&lpbfifo.regs->status, MPC512X_SCLPC_SUCCESS); in mpc512x_lpbfifo_irq()
101 if (req->callback) in mpc512x_lpbfifo_irq()
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/linux-5.10/sound/pci/ca0106/
Dca0106.h1 /* SPDX-License-Identifier: GPL-2.0-or-later */
3 * Copyright (c) 2004 James Courtier-Dutton <James@superbug.demon.co.uk>
11 * Support interrupts per period.
50 * Implement support for Line-in capture on SB Live 24bit.
72 /* the relevant bits and zero to the other bits */
73 #define IPR_MIDI_RX_B 0x00020000 /* MIDI UART-B Receive buffer non-empty */
74 #define IPR_MIDI_TX_B 0x00010000 /* MIDI UART-B Transmit buffer empty */
75 #define IPR_SPDIF_IN_USER 0x00004000 /* SPDIF input user data has 16 more bits */
76 #define IPR_SPDIF_OUT_USER 0x00002000 /* SPDIF output user data needs 16 more bits */
87 #define IPR_MIDI_RX_A 0x00000004 /* MIDI UART-A Receive buffer non-empty */
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/linux-5.10/include/linux/spi/
Dspi.h1 /* SPDX-License-Identifier: GPL-2.0-or-later
25 * INTERFACES between SPI master-side drivers and SPI slave protocol handlers,
31 * struct spi_statistics - statistics for spi transfers
34 * @messages: number of spi-messages handled
85 spin_lock_irqsave(&(stats)->lock, flags); \
86 (stats)->field += count; \
87 spin_unlock_irqrestore(&(stats)->lock, flags); \
94 * struct spi_delay - SPI delay information
110 * struct spi_device - Controller side proxy for an SPI slave device
122 * each word in a transfer (by specifying SPI_LSB_FIRST).
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/linux-5.10/include/drm/
Ddrm_dsc.h1 /* SPDX-License-Identifier: MIT
48 * struct drm_dsc_rc_range_parameters - DSC Rate Control range parameters
59 * @range_max_qp: Max Quantization Parameters allowed for this range
64 * Bits/group offset to apply to target for this group
70 * struct drm_dsc_config - Parameters required to configure DSC
78 * Bits per component for previous reconstructed line buffer
82 * @bits_per_component: Bits per component to code (8/10/12)
87 * Flag to indicate if RGB - YCoCg conversion is needed
92 * @slice_count: Number fo slices per line used by the DSC encoder
117 * Offset to bits/group used by RC to determine QP adjustment
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/linux-5.10/include/uapi/misc/
Dxilinx_sdfec.h1 /* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */
3 * Xilinx SD-FEC
26 (XSDFEC_LDPC_SC_TABLE_ADDR_HIGH - XSDFEC_LDPC_SC_TABLE_ADDR_BASE)
28 (XSDFEC_LDPC_LA_TABLE_ADDR_HIGH - XSDFEC_LDPC_LA_TABLE_ADDR_BASE)
30 (XSDFEC_LDPC_QC_TABLE_ADDR_HIGH - XSDFEC_LDPC_QC_TABLE_ADDR_BASE)
33 * enum xsdfec_code - Code Type.
47 * enum xsdfec_order - Order
49 * @XSDFEC_OUT_OF_ORDER: Out-of-order execution of blocks.
60 * enum xsdfec_turbo_alg - Turbo Algorithm Type.
61 * @XSDFEC_MAX_SCALE: Max Log-Map algorithm with extrinsic scaling. When
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/linux-5.10/drivers/scsi/lpfc/
Dlpfc_hw.h4 * Copyright (C) 2017-2020 Broadcom. All Rights Reserved. The term *
6 * Copyright (C) 2004-2016 Emulex. All rights reserved. *
16 * FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT, ARE *
50 #define SLI2_IOCB_CMD_R0_ENTRIES 172 /* SLI-2 FCP command ring entries */
51 #define SLI2_IOCB_RSP_R0_ENTRIES 134 /* SLI-2 FCP response ring entries */
52 #define SLI2_IOCB_CMD_R1_ENTRIES 4 /* SLI-2 extra command ring entries */
53 #define SLI2_IOCB_RSP_R1_ENTRIES 4 /* SLI-2 extra response ring entries */
54 #define SLI2_IOCB_CMD_R1XTRA_ENTRIES 36 /* SLI-2 extra FCP cmd ring entries */
55 #define SLI2_IOCB_RSP_R1XTRA_ENTRIES 52 /* SLI-2 extra FCP rsp ring entries */
56 #define SLI2_IOCB_CMD_R2_ENTRIES 20 /* SLI-2 ELS command ring entries */
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/linux-5.10/drivers/net/ethernet/xilinx/
Dxilinx_axienet.h1 /* SPDX-License-Identifier: GPL-2.0 */
6 * Copyright (c) 2010 - 2012 Xilinx, Inc. All rights reserved.
21 #define XAE_MTU 1500 /* Max MTU of an Ethernet frame */
22 #define XAE_JUMBO_MTU 9000 /* Max MTU of a jumbo Eth. frame */
109 #define XAXIDMA_BD_CTRL_ALL_MASK 0x0C000000 /* All control bits */
130 #define XAXIDMA_BD_CTRL_ALL_MASK 0x0C000000 /* All control bits */
140 #define XAXIDMA_BD_STS_ALL_MASK 0xFC000000 /* All status bits */
147 #define XAE_IFGP_OFFSET 0x00000008 /* Tx Inter-frame gap adjustment*/
153 #define XAE_UAWL_OFFSET 0x00000020 /* Unicast address word lower */
154 #define XAE_UAWU_OFFSET 0x00000024 /* Unicast address word upper */
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/linux-5.10/drivers/usb/gadget/udc/
Damd5536udc.h1 // SPDX-License-Identifier: GPL-2.0+
3 * amd5536.h -- header for AMD 5536 UDC high/full speed USB device controller
56 /* Global CSR's -------------------------------------------------------------*/
59 /* EP NE bits */
79 /* max pkt */
83 /* Device Config Register ---------------------------------------------------*/
106 /* Device Control Register --------------------------------------------------*/
130 /* Device Status Register ---------------------------------------------------*/
157 /* Device Interrupt Register ------------------------------------------------*/
169 /* Device Interrupt Mask Register -------------------------------------------*/
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/linux-5.10/drivers/parisc/
Dccio-dma.c1 // SPDX-License-Identifier: GPL-2.0-or-later
3 ** ccio-dma.c:
4 ** DMA management routines for first generation cache-coherent machines.
9 ** (c) Copyright 2000 Hewlett-Packard Company
15 ** the I/O MMU - basically what x86 does.
17 ** Philipp Rumpf has a "Real Mode" driver for PCX-W machines at:
18 ** CVSROOT=:pserver:anonymous@198.186.203.37:/cvsroot/linux-parisc
19 ** cvs -z3 co linux/arch/parisc/kernel/dma-rm.c
21 ** I've rewritten his code to work under TPG's tree. See ccio-rm-dma.c.
24 ** o outbound DMA is slower - U2 won't prefetch data (GSC+ XQL signal).
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/linux-5.10/arch/powerpc/oprofile/
Dop_model_cell.c1 // SPDX-License-Identifier: GPL-2.0-or-later
22 #include <asm/cell-pmu.h>
32 #include <asm/cell-regs.h>
66 * 2^32 - 1 - N.
68 #define NUM_INTERVAL_CYC 0xFFFFFFFF - 10
73 * at the beginning of cell_reg_setup; otherwise, it's read-only.
87 * ibm,cbe-perftools rtas parameters
94 * Bus Word(s) (bitmask)
157 * 0 - even virtual cpus 0, 2, 4,...
158 * 1 - odd virtual cpus 1, 3, 5, ...
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/linux-5.10/fs/xfs/libxfs/
Dxfs_types.h1 // SPDX-License-Identifier: GPL-2.0
3 * Copyright (c) 2000-2005 Silicon Graphics, Inc.
21 typedef uint32_t xfs_rtword_t; /* word type for bitmap manipulations */
45 #define NULLFSBLOCK ((xfs_fsblock_t)-1)
46 #define NULLRFSBLOCK ((xfs_rfsblock_t)-1)
47 #define NULLRTBLOCK ((xfs_rtblock_t)-1)
48 #define NULLFILEOFF ((xfs_fileoff_t)-1)
50 #define NULLAGBLOCK ((xfs_agblock_t)-1)
51 #define NULLAGNUMBER ((xfs_agnumber_t)-1)
53 #define NULLCOMMITLSN ((xfs_lsn_t)-1)
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/linux-5.10/sound/pci/cs46xx/
Dcs46xx_dsp_scb_types.h1 /* SPDX-License-Identifier: GPL-2.0-or-later */
30 /* DMA Requestor Word 0 (DCW) fields:
32 31 [30-28]27 [26:24] 23 22 21 20 [19:18] [17:16] 15 14 13 12 11 10 9 8 7 6 [5:0]
35 |H|_____ |H|_________|S_|D |__|__|______|_______|___|ne|__ |__ |__|__|_|_|_|_|_Count -1|
37 u32 dcw; /* DMA Control Word */
38 u32 dmw; /* DMA Mode Word */
39 u32 saw; /* Source Address Word */
40 u32 daw; /* Destination Address Word */
44 u32 npaw; /* Next-Page Address Word */
46 /* DMA Requestor Word 5 (NPCW) fields:
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