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/linux/drivers/scsi/arm/
H A Dcumana_2.c1 // SPDX-License-Identifier: GPL-2.0-only
5 * Copyright (C) 1997-2005 Russell King
8 * 30-08-1997 RMK 0.0.0 Created, READONLY version.
9 * 22-01-1998 RMK 0.0.1 Updated to 2.1.80.
10 * 15-04-1998 RMK 0.0.1 Only do PIO if FAS216 will allow it.
11 * 02-05-1998 RMK 0.0.2 Updated & added DMA support.
12 * 27-06-1998 RMK Changed asm/delay.h to linux/delay.h
13 * 18-08-1998 RMK 0.0.3 Fixed synchronous transfer depth.
14 * 02-04-2000 RMK 0.0.4 Updated for new error handling code.
25 #include <linux/dma-mapping.h>
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H A Dpowertec.c1 // SPDX-License-Identifier: GPL-2.0-only
5 * Copyright (C) 1997-2005 Russell King
16 #include <linux/dma-mapping.h>
19 #include <asm/dma.h>
61 FAS216_Info info; member
70 * Params : ec - expansion card structure
71 * : irqnr - interrupt number
76 struct powertec_info *info = ec->irq_data; in powertecscsi_irqenable() local
77 writeb(POWERTEC_INTR_ENABLE, info->base + POWERTEC_INTR_CONTROL); in powertecscsi_irqenable()
82 * Params : ec - expansion card structure
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H A Deesox.c1 // SPDX-License-Identifier: GPL-2.0-only
5 * Copyright (C) 1997-2005 Russell King
12 * 01-10-1997 RMK Created, READONLY version
13 * 15-02-1998 RMK READ/WRITE version
14 * added DMA support and hardware definitions
15 * 14-03-1998 RMK Updated DMA support
17 * 15-04-1998 RMK Only do PIO if FAS216 will allow it.
18 * 27-06-1998 RMK Changed asm/delay.h to linux/delay.h
19 * 02-04-2000 RMK 0.0.3 Fixed NO_IRQ/NO_DMA problem, updated for new
31 #include <linux/dma-mapping.h>
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H A Darxescsi.c1 // SPDX-License-Identifier: GPL-2.0-only
5 * Copyright (C) 1997-2000 Russell King, Stefan Hanske
12 * 30-08-1997 RMK 0.0.0 Created, READONLY version as cumana_2.c
13 * 22-01-1998 RMK 0.0.1 Updated to 2.1.80
14 * 15-04-1998 RMK 0.0.1 Only do PIO if FAS216 will allow it.
15 * 11-06-1998 SH 0.0.2 Changed to support ARXE 16-bit SCSI card
17 * 01-01-2000 SH 0.1.0 Added *real* pseudo dma writing
19 * 02-04-2000 RMK 0.1.1 Updated for new error handling code.
20 * 22-10-2000 SH Updated for new registering scheme.
34 #include <asm/dma.h>
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H A Dfas216.c1 // SPDX-License-Identifier: GPL-2.0-only
5 * Copyright (C) 1997-2003 Russell King
15 * FAS216_Info info;
20 * 30-08-1997 RMK Created
21 * 14-09-1997 RMK Started disconnect support
22 * 08-02-1998 RMK Corrected real DMA support
23 * 15-02-1998 RMK Started sync xfer support
24 * 06-04-1998 RMK Tightened conditions for printing incomplete
26 * 02-05-1998 RMK Added extra checks in fas216_reset
27 * 24-05-1998 RMK Fixed synchronous transfers with period >= 200ns
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/linux/drivers/ata/
H A Dpata_icside.c1 // SPDX-License-Identifier: GPL-2.0-only
11 #include <asm/dma.h>
54 unsigned int dma; member
80 #define ICS_TYPE_NOTYPE ((unsigned int)-1)
82 /* ---------------- Version 5 PCB Support Functions --------------------- */
88 struct pata_icside_state *state = ec->irq_data; in pata_icside_irqenable_arcin_v5()
90 writeb(0, state->irq_port + ICS_ARCIN_V5_INTROFFSET); in pata_icside_irqenable_arcin_v5()
98 struct pata_icside_state *state = ec->irq_data; in pata_icside_irqdisable_arcin_v5()
100 readb(state->irq_port + ICS_ARCIN_V5_INTROFFSET); in pata_icside_irqdisable_arcin_v5()
109 /* ---------------- Version 6 PCB Support Functions --------------------- */
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/linux/drivers/tty/serial/
H A Dsamsung_tty.c1 // SPDX-License-Identifier: GPL-2.0
5 * Ben Dooks, Copyright (c) 2003-2008 Simtec Electronics
21 * BJD, 04-Nov-2004
28 #include <linux/dma-mapping.h>
96 const struct s3c24xx_uart_info info; member
145 const struct s3c24xx_uart_info *info; member
154 struct s3c24xx_uart_dma *dma; member
165 #define portaddr(port, reg) ((port)->membase + (reg))
167 ((unsigned long *)(unsigned long)((port)->membase + (reg)))
171 switch (port->iotype) { in rd_reg()
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/linux/arch/sh/drivers/dma/
H A Ddma-api.c1 // SPDX-License-Identifier: GPL-2.0
3 * arch/sh/drivers/dma/dma-api.c
5 * SuperH-specific DMA management API
19 #include <asm/dma.h>
26 struct dma_info *info; in get_dma_info() local
32 list_for_each_entry(info, &registered_dmac_list, list) { in get_dma_info()
33 if ((chan < info->first_vchannel_nr) || in get_dma_info()
34 (chan >= info->first_vchannel_nr + info->nr_channels)) in get_dma_info()
37 return info; in get_dma_info()
46 struct dma_info *info; in get_nr_channels() local
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H A Ddma-sysfs.c1 // SPDX-License-Identifier: GPL-2.0
3 * arch/sh/drivers/dma/dma-sysfs.c
5 * sysfs interface for SH DMA API
7 * Copyright (C) 2004 - 2006 Paul Mundt
16 #include <asm/dma.h>
19 .name = "dma",
20 .dev_name = "dma",
30 struct dma_info *info = get_dma_info(i); in dma_show_devices() local
33 if (unlikely(!info) || !channel) in dma_show_devices()
37 channel->chan, info->name, in dma_show_devices()
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/linux/drivers/gpu/drm/xlnx/
H A Dzynqmp_disp.c1 // SPDX-License-Identifier: GPL-2.0
5 * Copyright (C) 2017 - 2020 Xilinx, Inc.
8 * - Hyun Woo Kwon <hyun.kwon@xilinx.com>
9 * - Laurent Pinchart <laurent.pinchart@ideasonboard.com>
18 #include <linux/dma/xilinx_dpdma.h>
19 #include <linux/dma-mapping.h>
21 #include <linux/media-bus-format.h>
34 * --------
39 * +------------------------------------------------------------+
40 * +--------+ | +----------------+ +-----------+ |
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/linux/drivers/media/pci/ddbridge/
H A Dddbridge-core.c1 // SPDX-License-Identifier: GPL-2.0
3 * ddbridge-core.c: Digital Devices bridge core functions
5 * Copyright (C) 2010-2017 Digital Devices GmbH
25 #include "ddbridge-i2c.h"
26 #include "ddbridge-regs.h"
27 #include "ddbridge-max.h"
28 #include "ddbridge-ci.h"
29 #include "ddbridge-io.h"
44 #include "ddbridge-dummy-fe.h"
57 "0-one adapter per io, 1-one per tab with io, 2-one per tab, 3-one for all");
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/linux/drivers/dma/
H A Dof-dma.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * Device tree helpers for DMA request / controller
7 * Copyright (C) 2012 Texas Instruments Incorporated - http://www.ti.com/
24 * of_dma_find_controller - Get a DMA controller in DT DMA helpers list
25 * @dma_spec: pointer to DMA specifier as found in the device tree
27 * Finds a DMA controller with matching device node and number for dma cells
28 * in a list of registered DMA controllers. If a match is found a valid pointer
29 * to the DMA data stored is returned. A NULL pointer is returned if no match is
37 if (ofdma->of_node == dma_spec->np) in of_dma_find_controller()
40 pr_debug("%s: can't find DMA controller %pOF\n", __func__, in of_dma_find_controller()
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/linux/drivers/dma/dw/
H A Dacpi.c1 // SPDX-License-Identifier: GPL-2.0
11 struct dw_dma *dw = to_dw_dma(chan->device); in dw_dma_acpi_filter()
12 struct dw_dma_chip_pdata *data = dev_get_drvdata(dw->dma.dev); in dw_dma_acpi_filter()
15 .dma_dev = dma_spec->dev, in dw_dma_acpi_filter()
16 .src_id = dma_spec->slave_id, in dw_dma_acpi_filter()
17 .dst_id = dma_spec->slave_id, in dw_dma_acpi_filter()
18 .m_master = data->m_master, in dw_dma_acpi_filter()
19 .p_master = data->p_master, in dw_dma_acpi_filter()
27 struct device *dev = dw->dma.dev; in dw_dma_acpi_controller_register()
28 struct acpi_dma_filter_info *info; in dw_dma_acpi_controller_register() local
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/linux/drivers/net/wireless/broadcom/b43legacy/
H A Ddma.c1 // SPDX-License-Identifier: GPL-2.0-or-later
6 DMA ringbuffer and descriptor allocation/management
18 #include "dma.h"
23 #include <linux/dma-mapping.h>
30 /* 32bit DMA ops. */
38 *meta = &(ring->meta[slot]); in op32_idx2desc()
39 desc = ring->descbase; in op32_idx2desc()
50 struct b43legacy_dmadesc32 *descbase = ring->descbase; in op32_fill_descriptor()
56 slot = (int)(desc - descbase); in op32_fill_descriptor()
57 B43legacy_WARN_ON(!(slot >= 0 && slot < ring->nr_slots)); in op32_fill_descriptor()
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/linux/drivers/net/ethernet/microchip/fdma/
H A Dfdma_api.c1 // SPDX-License-Identifier: GPL-2.0+
16 db->status = status; in __fdma_db_add()
18 return cb(fdma, dcb_idx, db_idx, &db->dataptr); in __fdma_db_add()
28 fdma->ops.dataptr_cb); in fdma_db_add()
32 int __fdma_dcb_add(struct fdma *fdma, int dcb_idx, u64 info, u64 status, in __fdma_dcb_add() argument
40 for (i = 0; i < fdma->n_dbs; i++) { in __fdma_dcb_add()
46 err = dcb_cb(fdma, dcb_idx, &fdma->last_dcb->nextptr); in __fdma_dcb_add()
50 fdma->last_dcb = dcb; in __fdma_dcb_add()
52 dcb->nextptr = FDMA_DCB_INVALID_DATA; in __fdma_dcb_add()
53 dcb->info = info; in __fdma_dcb_add()
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H A Dfdma_api.h1 /* SPDX-License-Identifier: GPL-2.0+ */
11 * with the Frame DMA engine on multiple Microchip switchcores.
13 * Frame DMA DCB format:
15 * +---------------------------+
17 * +---------------------------+
18 * | Reserved | Info |
19 * +---------------------------+
21 * +---------------------------+
23 * +---------------------------+
25 * +---------------------------+
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/linux/drivers/net/wireless/mediatek/mt7601u/
H A Ddma.h1 /* SPDX-License-Identifier: GPL-2.0-only */
18 /* Common Tx DMA descriptor fields */
38 /* Tx DMA packet specific flags */
54 /* Tx DMA MCU command specific flags */
62 u32 info; in mt7601u_dma_skb_wrap() local
71 info = flags | in mt7601u_dma_skb_wrap()
72 FIELD_PREP(MT_TXD_INFO_LEN, round_up(skb->len, 4)) | in mt7601u_dma_skb_wrap()
76 put_unaligned_le32(info, skb_push(skb, sizeof(info))); in mt7601u_dma_skb_wrap()
77 return skb_put_padto(skb, round_up(skb->len, 4) + 4); in mt7601u_dma_skb_wrap()
87 /* Common Rx DMA descriptor fields */
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/linux/sound/sparc/
H A Ddbri.c1 // SPDX-License-Identifier: GPL-2.0-only
9 * Copyright (C) 1997 Rudolf Koenig (rfkoenig@immd4.informatik.uni-erlangen.de)
15 * - DBRI: AT&T T5900FX Dual Basic Rates ISDN Interface. It is a 32 channel
20 * - "STP 4000SBus Dual Basic Rate ISDN (DBRI) Transceiver" from
22 * - Data sheet of the T7903, a newer but very similar ISA bus equivalent
25 * - https://www.freesoft.org/Linux/DBRI/
26 * - MMCODE
307 struct dbri_dma *dma; /* Pointer to our DMA block */ global() member
1088 struct dbri_streaminfo *info = &dbri->stream_info[streamno]; setup_descs() local
1394 struct dbri_streaminfo *info = &dbri->stream_info[DBRI_PLAY]; cs4215_setdata() local
1709 struct dbri_streaminfo *info; xmit_descs() local
1783 struct dbri_streaminfo *info = &dbri->stream_info[DBRI_PLAY]; transmission_complete_intr() local
1814 struct dbri_streaminfo *info; reception_complete_intr() local
2048 struct dbri_streaminfo *info = DBRI_STREAM(dbri, substream); snd_dbri_open() local
2077 struct dbri_streaminfo *info = DBRI_STREAM(dbri, substream); snd_dbri_close() local
2091 struct dbri_streaminfo *info = DBRI_STREAM(dbri, substream); snd_dbri_hw_params() local
2126 struct dbri_streaminfo *info = DBRI_STREAM(dbri, substream); snd_dbri_hw_free() local
2154 struct dbri_streaminfo *info = DBRI_STREAM(dbri, substream); snd_dbri_prepare() local
2181 struct dbri_streaminfo *info = DBRI_STREAM(dbri, substream); snd_dbri_trigger() local
2205 struct dbri_streaminfo *info = DBRI_STREAM(dbri, substream); snd_dbri_pointer() local
2271 struct dbri_streaminfo *info; snd_cs4215_get_volume() local
2286 struct dbri_streaminfo *info = snd_cs4215_put_volume() local
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/linux/drivers/net/wan/
H A Dfarsync.c1 // SPDX-License-Identifier: GPL-2.0-or-later
4 * Actually sync driver for X.21, V.35 and V.24 on FarSync T-series cards
6 * Copyright (C) 2001-2004 FarSite Communications Ltd.
32 /* Module info
35 MODULE_DESCRIPTION("FarSync T-Series WAN driver. FarSite Communications Ltd.");
71 #define ARPHRD_MYTYPE ARPHRD_HDLC /* Cisco-HDLC (keepalives etc) */
94 * file. Unfortunately various name clashes and the non-portability of the
110 #define BFM_BASE 0x00010000L /* Base offset of the shared memory window DMA
163 #define cnv_bcnt(len) (-(len))
268 /* DMA descriptor rings */
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/linux/sound/pci/au88x0/
H A Dau88x0_pcm.c1 // SPDX-License-Identifier: GPL-2.0-or-later
8 * Supports ADB and WT DMA. Unfortunately, WT channels do not run yet.
9 * It remains stuck,and DMA transfers do not happen.
18 #define VORTEX_PCM_TYPE(x) (x->name[40])
22 .info =
43 .info =
63 .info =
86 .info = (SNDRV_PCM_INFO_MMAP |
118 kctl->vd[0].access &= ~SNDRV_CTL_ELEM_ACCESS_INACTIVE; in vortex_notify_pcm_vol_change()
120 kctl->vd[0].access |= SNDRV_CTL_ELEM_ACCESS_INACTIVE; in vortex_notify_pcm_vol_change()
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/linux/include/sound/sof/
H A Dtrace.h1 /* SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause) */
16 * DMA for Trace
21 /* DMA for Trace params info - SOF_IPC_DEBUG_DMA_PARAMS */
22 /* Deprecated - use sof_ipc_dma_trace_params_ext */
29 /* DMA for Trace params info - SOF_IPC_DEBUG_DMA_PARAMS_EXT */
38 /* DMA for Trace params info - SOF_IPC_DEBUG_DMA_PARAMS */
41 uint32_t host_offset; /* Offset of DMA host buffer */
65 /** Runtime tracing filtration data - SOF_IPC_TRACE_FILTER_UPDATE, ABI3.17 */
97 /* panic info include filename and line number
/linux/net/sunrpc/xprtrdma/
H A Dsvc_rdma_rw.c1 // SPDX-License-Identifier: GPL-2.0
3 * Copyright (c) 2016-2018 Oracle. All rights reserved.
5 * Use the core R/W API to move RPC-over-RDMA Read and Write chunks.
23 * Each WR chain handles a single contiguous server-side buffer,
27 * Each WR chain handles only one R_key. Each RPC-over-RDMA segment
33 * smaller I/O requests without disabling bottom-halve
204 struct svc_rdma_write_info *info; svc_rdma_write_info_alloc() local
220 struct svc_rdma_write_info *info; svc_rdma_write_info_free_async() local
227 svc_rdma_write_info_free(struct svc_rdma_write_info * info) svc_rdma_write_info_free() argument
289 struct svc_rdma_write_info *info = svc_rdma_write_done() local
419 svc_rdma_vec_to_sg(struct svc_rdma_write_info * info,unsigned int len,struct svc_rdma_rw_ctxt * ctxt) svc_rdma_vec_to_sg() argument
433 svc_rdma_pagelist_to_sg(struct svc_rdma_write_info * info,unsigned int remaining,struct svc_rdma_rw_ctxt * ctxt) svc_rdma_pagelist_to_sg() argument
468 svc_rdma_build_writes(struct svc_rdma_write_info * info,void (* constructor)(struct svc_rdma_write_info * info,unsigned int len,struct svc_rdma_rw_ctxt * ctxt),unsigned int remaining) svc_rdma_build_writes() argument
469 svc_rdma_build_writes(struct svc_rdma_write_info * info,void (* constructor)(struct svc_rdma_write_info * info,unsigned int len,struct svc_rdma_rw_ctxt * ctxt),unsigned int remaining) svc_rdma_build_writes() argument
534 svc_rdma_iov_write(struct svc_rdma_write_info * info,const struct kvec * iov) svc_rdma_iov_write() argument
555 svc_rdma_pages_write(struct svc_rdma_write_info * info,const struct xdr_buf * xdr,unsigned int offset,unsigned long length) svc_rdma_pages_write() argument
579 struct svc_rdma_write_info *info = data; svc_rdma_xb_write() local
608 struct svc_rdma_write_info *info; svc_rdma_send_write_chunk() local
684 struct svc_rdma_write_info *info = &sctxt->sc_reply_info; svc_rdma_prepare_reply_chunk() local
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/linux/drivers/tty/
H A Dsynclink_gt.c1 // SPDX-License-Identifier: GPL-1.0+
28 * DBGINFO information - most verbose output
33 * DBGTBUF output transmit DMA buffers and registers
34 * DBGRBUF output receive DMA buffers and registers
41 #define DBGDATA(info, buf, size, label) if (debug_level >= DEBUG_LEVEL_DATA) trace_block((info), (b… argument
42 /*#define DBGTBUF(info) dump_tbufs(info)*/
43 /*#define DBGRBUF(info) dump_rbufs(info)*/
77 #include <asm/dma.h>
146 #define dev_to_port(D) (dev_to_hdlc(D)->priv)
168 * DMA buffer descriptor and access macros
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/linux/Documentation/devicetree/bindings/display/tilcdc/
H A Dpanel.txt1 Device-Tree bindings for tilcdc DRM generic panel output driver
4 - compatible: value should be "ti,tilcdc,panel".
5 - panel-info: configuration info to configure LCDC correctly for the panel
6 - ac-bias: AC Bias Pin Frequency
7 - ac-bias-intrpt: AC Bias Pin Transitions per Interrupt
8 - dma-burst-sz: DMA burst size
9 - bpp: Bits per pixel
10 - fdd: FIFO DMA Request Delay
11 - sync-edge: Horizontal and Vertical Sync Edge: 0=rising 1=falling
12 - sync-ctrl: Horizontal and Vertical Sync: Control: 0=ignore
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/linux/drivers/media/pci/smipcie/
H A Dsmipcie-main.c1 // SPDX-License-Identifier: GPL-2.0-or-later
184 i2c_set_adapdata(&dev->i2c_bus[0], dev); in smi_i2c_init()
185 strscpy(dev->i2c_bus[0].name, "SMI-I2C0", sizeof(dev->i2c_bus[0].name)); in smi_i2c_init()
186 dev->i2c_bus[0].owner = THIS_MODULE; in smi_i2c_init()
187 dev->i2c_bus[0].dev.parent = &dev->pci_dev->dev; in smi_i2c_init()
188 dev->i2c_bus[0].algo_data = &dev->i2c_bit[0]; in smi_i2c_init()
189 dev->i2c_bit[0].data = dev; in smi_i2c_init()
190 dev->i2c_bit[0].setsda = smi_i2c0_setsda; in smi_i2c_init()
191 dev->i2c_bit[0].setscl = smi_i2c0_setscl; in smi_i2c_init()
192 dev->i2c_bit[0].getsda = smi_i2c0_getsda; in smi_i2c_init()
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