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/linux/Documentation/devicetree/bindings/dma/ti/
H A Dk3-udma.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
5 ---
6 $id: http://devicetree.org/schemas/dma/ti/k3-udma.yaml#
7 $schema: http://devicetree.org/meta-schemas/core.yaml#
12 - Peter Ujfalusi <peter.ujfalusi@gmail.com>
15 The UDMA-P is intended to perform similar (but significantly upgraded)
16 functions as the packet-oriented DMA used on previous SoC devices. The UDMA-P
18 The UDMA-P architecture facilitates the segmentation and reassembly of SoC DMA
29 on the Rx PSI-L interface.
31 The UDMA-P also supports acting as both a UTC and UDMA-C for its internal
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H A Dk3-pktdma.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
5 ---
6 $id: http://devicetree.org/schemas/dma/ti/k3-pktdma.yaml#
7 $schema: http://devicetree.org/meta-schemas/core.yaml#
12 - Peter Ujfalusi <peter.ujfalusi@gmail.com>
16 mode channels of K3 UDMA-P.
17 PKTDMA only includes Split channels to service PSI-L based peripherals.
19 The peripherals can be PSI-L native or legacy, non PSI-L native peripherals
20 with PDMAs. PDMA is tasked to act as a bridge between the PSI-L fabric and the
27 - $ref: /schemas/dma/dma-controller.yaml#
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H A Dk3-bcdma.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
5 ---
6 $id: http://devicetree.org/schemas/dma/ti/k3-bcdma.yaml#
7 $schema: http://devicetree.org/meta-schemas/core.yaml#
12 - Peter Ujfalusi <peter.ujfalusi@gmail.com>
16 mode channels of K3 UDMA-P.
23 Split channels can be used to service PSI-L based peripherals.
24 The peripherals can be PSI-L native or legacy, non PSI-L native peripherals
25 with PDMAs. PDMA is tasked to act as a bridge between the PSI-L fabric and the
34 - ti,am62a-dmss-bcdma-csirx
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/linux/drivers/ata/
H A Dlibata-pata-timings.c1 // SPDX-License-Identifier: GPL-2.0-or-later
5 * Copyright 2003-2004 Red Hat, Inc. All rights reserved.
6 * Copyright 2003-2004 Jeff Garzik
15 * drivers/ide/ide-timing.h and was originally written by Vojtech Pavlik
18 * PIO 0-4, MWDMA 0-2 and UDMA 0-6 timings (in nanoseconds).
19 * These were taken from ATA/ATAPI-6 standard, rev 0a, except
57 #define ENOUGH(v, unit) (((v)-1)/(unit)+1)
63 q->setup = EZ(t->setup, T); in ata_timing_quantize()
64 q->act8b = EZ(t->act8b, T); in ata_timing_quantize()
65 q->rec8b = EZ(t->rec8b, T); in ata_timing_quantize()
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H A Dpata_ali.c2 * pata_ali.c - ALI 15x3 PATA for new ATA layer
8 * Copyright (C) 1998-2000 Michel Aubry, Maintainer
9 * Copyright (C) 1998-2000 Andrzej Krzysztofowicz, Maintainer
10 * Copyright (C) 1999-2000 CJ, cjtsai@ali.com.tw, Maintainer
12 * Copyright (C) 1998-2000 Andre Hedrick (andre@linux-ide.org)
54 DMI_MATCH(DMI_BOARD_VENDOR, "Hewlett-Packard"),
55 DMI_MATCH(DMI_BOARD_VERSION, "OmniBook N32N-736"),
59 .ident = "Toshiba Satellite S1800-814",
62 DMI_MATCH(DMI_PRODUCT_NAME, "S1800-814"),
71 if (pdev->subsystem_vendor == 0x10CF && pdev->subsystem_device == 0x10AF) in ali_cable_override()
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H A Dpata_serverworks.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * pata_serverworks.c - Serverworks PATA for new ATA layer
11 * Copyright (C) 1998-2000 Michel Aubry
12 * Copyright (C) 1998-2000 Andrzej Krzysztofowicz
13 * Copyright (C) 1998-2000 Andre Hedrick <andre@linux-ide.org>
20 * supports UDMA mode 2 (33 MB/s)
23 * all revisions support UDMA mode 4 (66 MB/s)
24 * revision A2.0 and up support UDMA mode 5 (100 MB/s)
27 * *** to detect 80-conductor cable presence. ***
50 * Seagate Barracuda ATA IV Family drives in UDMA mode 5
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H A Dpata_via.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * pata_via.c - VIA PATA for new ATA layer
4 * (C) 2005-2006 Red Hat Inc
10 * VIA VT82C561 - early design, uses ata_generic currently
11 * VIA VT82C576 - MWDMA, 33Mhz
12 * VIA VT82C586 - MWDMA, 33Mhz
13 * VIA VT82C586a - Added UDMA to 33Mhz
14 * VIA VT82C586b - UDMA33
15 * VIA VT82C596a - Nonfunctional UDMA66
16 * VIA VT82C596b - Working UDMA66
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H A Data_piix.c1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * ata_piix.c - Intel PATA/SATA controllers
6 * Please ALWAYS copy linux-ide@vger.kernel.org
9 * Copyright 2003-2005 Red Hat Inc
10 * Copyright 2003-2005 Jeff Garzik
14 * Copyright (C) 1998-1999 Andrzej Krzysztofowicz, Author and Maintainer
15 * Copyright (C) 1998-2000 Andre Hedrick <andre@linux-ide.org>
19 * as Documentation/driver-api/libata.rst
40 * PIIX4 errata #9 - Only on ultra obscure hw
41 * ICH3 errata #13 - Not observed to affect real hw
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H A Dpata_atp867x.c1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * pata_atp867x.c - ARTOP 867X 64bit 4-channel UDMA133 ATA controller driver
5 * (C) 2009 Google Inc. John(Jung-Ik) Lee <jilee@google.com>
9 * 2003-2004 by Eric Uhrhane, Google, Inc.
69 #define ATP867X_IOBASE(ap) ((ap)->host->iomap[0])
109 struct pci_dev *pdev = to_pci_dev(ap->host->dev); in atp867x_set_dmamode()
110 struct atp867x_priv *dp = ap->private_data; in atp867x_set_dmamode()
111 u8 speed = adev->dma_mode; in atp867x_set_dmamode()
113 u8 mode = speed - XFER_UDMA_0 + 1; in atp867x_set_dmamode()
116 * Doc 6.6.9: decrease the udma mode value by 1 for safer UDMA speed in atp867x_set_dmamode()
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H A Dpata_macio.c1 // SPDX-License-Identifier: GPL-2.0-only
55 controller_kl_ata3, /* KeyLargo ATA-3 */
56 controller_kl_ata4, /* KeyLargo ATA-4 */
57 controller_un_ata6, /* UniNorth2 ATA-6 */
58 controller_k2_ata6, /* K2 ATA-6 */
59 controller_sh_ata6, /* Shasta ATA-6 */
65 "KeyLargo ATA-3", /* KeyLargo ATA-3 (MDMA only) */
66 "KeyLargo ATA-4", /* KeyLargo ATA-4 (UDMA/66) */
67 "UniNorth ATA-6", /* UniNorth2 ATA-6 (UDMA/100) */
68 "K2 ATA-6", /* K2 ATA-6 (UDMA/100) */
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H A Dlibata-core.c1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * libata-core.c - helper library for ATA
5 * Copyright 2003-2004 Red Hat, Inc. All rights reserved.
6 * Copyright 2003-2004 Jeff Garzik
9 * as Documentation/driver-api/libata.rst
12 * http://www.sata-io.org/
16 * http://www.t10.org (SCSI MMC - for ATAPI MMC)
17 * http://www.sata-io.org (SATA)
19 * http://www.qic.org (QIC157 - Tape and DSC)
20 * http://www.ce-ata.org (CE-ATA: not supported)
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H A Dlibata-acpi.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * libata-acpi.c
26 …fermode, 0x2=lock/freeze lock, 0x4=DIPM, 0x8=FPDMA non-zero offset, 0x10=FPDMA DMA Setup FIS auto-…
33 u8 tf[REGS_PER_GTF]; /* regs. 0x1f1 - 0x1f7 */
38 kfree(dev->gtf_cache); in ata_acpi_clear_gtf()
39 dev->gtf_cache = NULL; in ata_acpi_clear_gtf()
50 #define ata_hotplug_data(context) (container_of((context), struct ata_acpi_hotplug_context, hp)->da…
53 * ata_dev_acpi_handle - provide the acpi_handle for an ata_device
62 return dev->flags & ATA_DFLAG_ACPI_DISABLED ? in ata_dev_acpi_handle()
63 NULL : ACPI_HANDLE(&dev->tdev); in ata_dev_acpi_handle()
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H A Dlibata-scsi.c1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * libata-scsi.c - helper library for ATA
5 * Copyright 2003-2004 Red Hat, Inc. All rights reserved.
6 * Copyright 2003-2004 Jeff Garzik
9 * as Documentation/driver-api/libata.rst
12 * - http://www.t10.org/
13 * - http://www.t13.org/
38 #include "libata-transport.h"
66 RW_RECOVERY_MPAGE_LEN - 2,
76 CACHE_MPAGE_LEN - 2,
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H A Dsata_mv.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * sata_mv.c - Marvell SATA support
5 * Copyright 2008-2009: Marvell Corporation, all rights reserved.
12 * Please ALWAYS copy linux-ide@vger.kernel.org on emails.
18 * --> Develop a low-power-consumption strategy, and implement it.
20 * --> Add sysfs attributes for per-chip / per-HC IRQ coalescing thresholds.
22 * --> [Experiment, Marvell value added] Is it possible to use target
23 * mode to cross-connect two Linux boxes with Marvell cards? If so,
31 * 80x1-B2 errata PCI#11:
34 * should be careful to insert those cards only onto PCI-X bus #0,
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/linux/drivers/dma/ti/
H A Dk3-udma-private.c1 // SPDX-License-Identifier: GPL-2.0
3 * Copyright (C) 2019 Texas Instruments Incorporated - http://www.ti.com
30 pr_err("UDMA node is not found\n"); in of_xudma_dev_get()
31 return ERR_PTR(-ENODEV); in of_xudma_dev_get()
40 pr_debug("UDMA device not found\n"); in of_xudma_dev_get()
41 return ERR_PTR(-EPROBE_DEFER); in of_xudma_dev_get()
46 pr_debug("UDMA has not been probed\n"); in of_xudma_dev_get()
47 put_device(&pdev->dev); in of_xudma_dev_get()
48 return ERR_PTR(-EPROBE_DEFER); in of_xudma_dev_get()
57 return ud->dev; in xudma_get_device()
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H A Dk3-udma.h1 /* SPDX-License-Identifier: GPL-2.0 */
3 * Copyright (C) 2019 Texas Instruments Incorporated - http://www.ti.com
28 UDMA_CHAN_RT_PEER_REG(0) /* PSI-L: 0x400 */
30 UDMA_CHAN_RT_PEER_REG(1) /* PSI-L: 0x401 */
32 UDMA_CHAN_RT_PEER_REG(4) /* PSI-L: 0x404 */
34 UDMA_CHAN_RT_PEER_REG(8) /* PSI-L: 0x408 */
119 /* tisci information for PSI-L thread pairing/unpairing */
126 /* Direct access to UDMA low lever resources for the glue layer */
144 void xudma_tchan_put(struct udma_dev *ud, struct udma_tchan *p);
145 void xudma_rchan_put(struct udma_dev *ud, struct udma_rchan *p);
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/linux/drivers/media/pci/ivtv/
H A Divtvfb.c1 // SPDX-License-Identifier: GPL-2.0-or-later
18 Portions (c) 1998 Gerd Knorr <kraxel@goldbach.in-berlin.de>
29 #include "ivtv-driver.h"
30 #include "ivtv-cards.h"
31 #include "ivtv-i2c.h"
32 #include "ivtv-udma.h"
33 #include "ivtv-mailbox.h"
34 #include "ivtv-firmware.h"
44 static int ivtvfb_card_id = -1;
65 "Only use framebuffer of the specified ivtv card (0-31)\n"
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H A Divtv-fileops.c1 // SPDX-License-Identifier: GPL-2.0-or-later
4 Copyright (C) 2003-2004 Kevin Thayer <nufan_wfk at yahoo.com>
6 Copyright (C) 2005-2007 Hans Verkuil <hverkuil@xs4all.nl>
10 #include "ivtv-driver.h"
11 #include "ivtv-fileops.h"
12 #include "ivtv-i2c.h"
13 #include "ivtv-queue.h"
14 #include "ivtv-udma.h"
15 #include "ivtv-irq.h"
16 #include "ivtv-vbi.h"
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H A Divtv-irq.c1 // SPDX-License-Identifier: GPL-2.0-or-later
3 Copyright (C) 2003-2004 Kevin Thayer <nufan_wfk at yahoo.com>
5 Copyright (C) 2005-2007 Hans Verkuil <hverkuil@xs4all.nl>
9 #include "ivtv-driver.h"
10 #include "ivtv-queue.h"
11 #include "ivtv-udma.h"
12 #include "ivtv-irq.h"
13 #include "ivtv-mailbox.h"
14 #include "ivtv-vbi.h"
15 #include "ivtv-yuv.h"
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/linux/Documentation/devicetree/bindings/net/
H A Dti,k3-am654-cpsw-nuss.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/net/ti,k3-am654-cpsw-nuss.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Siddharth Vadapalli <s-vadapalli@ti.com>
11 - Roger Quadros <rogerq@kernel.org>
22 Complex (UDMA-P) controller.
26 priority level Quality Of Service (QOS) support (802.1p)
52 "#address-cells": true
53 "#size-cells": true
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/linux/drivers/scsi/isci/
H A Drequest.c7 * Copyright(c) 2008 - 2011 Intel Corporation. All rights reserved.
20 * Foundation, Inc., 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
26 * Copyright(c) 2008 - 2011 Intel Corporation. All rights reserved.
78 return &ireq->tc->sgl_pair_ab; in to_sgl_element_pair()
80 return &ireq->tc->sgl_pair_cd; in to_sgl_element_pair()
84 return &ireq->sg_table[idx - 2]; in to_sgl_element_pair()
93 offset = (void *) &ireq->tc->sgl_pair_ab - in to_sgl_element_pair_dma()
94 (void *) &ihost->task_context_table[0]; in to_sgl_element_pair_dma()
95 return ihost->tc_dma + offset; in to_sgl_element_pair_dma()
97 offset = (void *) &ireq->tc->sgl_pair_cd - in to_sgl_element_pair_dma()
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/linux/drivers/net/ethernet/ti/icssg/
H A Dicssg_prueth_sr1.c1 // SPDX-License-Identifier: GPL-2.0
5 * Copyright (C) 2018-2022 Texas Instruments Incorporated - https://www.ti.com/
26 #include "../k3-cppi-desc-pool.h"
34 * situation. So use Q0-Q2 as data queues and Q3 as management queue
62 config.addr_lo = cpu_to_le32(lower_32_bits(prueth->msmcram.pa)); in icssg_config_sr1()
63 config.addr_hi = cpu_to_le32(upper_32_bits(prueth->msmcram.pa)); in icssg_config_sr1()
64 config.rx_flow_id = cpu_to_le32(emac->rx_flow_id_base); /* flow id for host port */ in icssg_config_sr1()
65 config.rx_mgr_flow_id = cpu_to_le32(emac->rx_mgm_flow_id_base); /* for mgm ch */ in icssg_config_sr1()
69 index = i - PRUETH_EMAC_BUF_POOL_START_SR1; in icssg_config_sr1()
73 va = prueth->shram.va + slice * ICSSG_CONFIG_OFFSET_SLICE1; in icssg_config_sr1()
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H A Dicssg_prueth.c1 // SPDX-License-Identifier: GPL-2.0
5 * Copyright (C) 2018-2022 Texas Instruments Incorporated - https://www.ti.com/
12 #include <linux/dma-mapping.h>
13 #include <linux/dma/ti-cppi5.h>
19 #include <linux/io-64-nonatomic-hi-lo.h>
37 #include "../k3-cppi-desc-pool.h"
56 struct prueth *prueth = emac->prueth; in emac_get_tx_ts()
65 memcpy_fromio(rsp, prueth->shram.va + addr, sizeof(*rsp)); in emac_get_tx_ts()
89 !emac->tx_ts_skb[tsr.cookie]) { in tx_ts_work()
90 netdev_err(emac->ndev, "Invalid TX TS cookie 0x%x\n", in tx_ts_work()
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/linux/drivers/pci/
H A Dquirks.c1 // SPDX-License-Identifier: GPL-2.0
3 * This file contains work-arounds for many known PCI hardware bugs.
5 * should be handled in arch-specific code.
20 #include <linux/isa-dma.h> /* isa_dma_bridge_buggy */
42 * 2 x PCIe x1 device, P/N 41433, plugged into the SiFive HiFive Unmatched
91 int ret = -ENOTTY; in pcie_failed_link_retrain()
94 !pcie_cap_has_lnkctl2(dev) || !dev->link_active_reporting) in pcie_failed_link_retrain()
103 pci_info(dev, "broken device, retraining non-functional downstream link at 2.5GT/s\n"); in pcie_failed_link_retrain()
170 if ((f->class == (u32) (dev->class >> f->class_shift) || in pci_do_fixups()
171 f->class == (u32) PCI_ANY_ID) && in pci_do_fixups()
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/linux/Documentation/admin-guide/
H A Dkernel-parameters.txt16 force -- enable ACPI if default was off
17 on -- enable ACPI but allow fallback to DT [arm64,riscv64]
18 off -- disable ACPI if default was on
19 noirq -- do not use ACPI for IRQ routing
20 strict -- Be less tolerant of platforms that are not
22 rsdt -- prefer RSDT over (default) XSDT
23 copy_dsdt -- copy DSDT to memory
24 nospcr -- disable console in ACPI SPCR table as
41 If set to vendor, prefer vendor-specific driver
73 Documentation/firmware-guide/acpi/debug.rst for more information about
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