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/linux/Documentation/devicetree/bindings/usb/
H A Dusb251xb.yaml1 # SPDX-License-Identifier: GPL-2.0
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Microchip USB 2.0 Hi-Speed Hub Controller
10 - Richard Leitner <richard.leitner@skidata.com>
15 - microchip,usb2422
16 - microchip,usb2512b
17 - microchip,usb2512bi
18 - microchip,usb2513b
19 - microchip,usb2513bi
[all …]
/linux/drivers/usb/host/
H A Dxhci-mtk-sch.c1 // SPDX-License-Identifier: GPL-2.0
14 #include "xhci-mtk.h"
18 /* table 5-5. High-speed Isoc Transaction Limits in usb_20 spec */
28 * max number of microframes for split transfer, assume extra-cs budget is 0
55 return "Can't schedule Start-Split in Y6"; in sch_error_string()
57 return "Can't find a suitable Start-Split location"; in sch_error_string()
59 return "The last Complete-Split is greater than 7"; in sch_error_string()
78 struct usb_endpoint_descriptor *epd = &ep->desc; in decode_ep()
94 usb_endpoint_maxp(epd), epd->bInterval, interval, unit); in decode_ep()
130 struct xhci_hcd *xhci = hcd_to_xhci(mtk->hcd); in get_bw_info()
[all …]
H A Dehci-sched.c1 // SPDX-License-Identifier: GPL-2.0+
3 * Copyright (c) 2001-2004 by David Brownell
4 * Copyright (c) 2003 Michal Sojka, for high-speed iso transfers
7 /* this file is part of ehci-hcd.c */
9 /*-------------------------------------------------------------------------*/
21 * pre-calculated schedule data to make appending to the queue be quick.
27 * periodic_next_shadow - return "next" pointer on shadow list
37 return &periodic->qh->qh_next; in periodic_next_shadow()
39 return &periodic->fstn->fstn_next; in periodic_next_shadow()
41 return &periodic->itd->itd_next; in periodic_next_shadow()
[all …]
H A Dxhci-mem.c1 // SPDX-License-Identifier: GPL-2.0
16 #include <linux/dma-mapping.h>
19 #include "xhci-trace.h"
20 #include "xhci-debugfs.h"
38 struct device *dev = xhci_to_hcd(xhci)->self.sysdev; in xhci_segment_alloc()
44 seg->trbs = dma_pool_zalloc(xhci->segment_pool, flags, &dma); in xhci_segment_alloc()
45 if (!seg->trbs) { in xhci_segment_alloc()
51 seg->bounce_buf = kzalloc_node(max_packet, flags, in xhci_segment_alloc()
53 if (!seg->bounce_buf) { in xhci_segment_alloc()
54 dma_pool_free(xhci->segment_pool, seg->trbs, dma); in xhci_segment_alloc()
[all …]
H A Dxhci.h1 /* SPDX-License-Identifier: GPL-2.0 */
19 #include <linux/io-64-nonatomic-lo-hi.h>
20 #include <linux/io-64-nonatomic-hi-lo.h>
22 /* Code sharing between pci-quirks and xhci hcd */
23 #include "xhci-ext-caps.h"
24 #include "pci-quirks.h"
26 #include "xhci-port.h"
27 #include "xhci-caps.h"
35 /* Max number of USB devices for any host controller - limit in section 6.1 */
37 /* Section 5.3.3 - MaxPorts */
[all …]
H A Dxhci.c1 // SPDX-License-Identifier: GPL-2.0
20 #include <linux/dma-mapping.h>
23 #include "xhci-trace.h"
24 #include "xhci-debugfs.h"
25 #include "xhci-dbgcap.h"
43 struct xhci_segment *seg = ring->first_seg; in td_on_ring()
45 if (!td || !td->start_seg) in td_on_ring()
48 if (seg == td->start_seg) in td_on_ring()
50 seg = seg->next; in td_on_ring()
51 } while (seg && seg != ring->first_seg); in td_on_ring()
[all …]
H A Dehci-hcd.c1 // SPDX-License-Identifier: GPL-2.0+
7 * Copyright (c) 2000-2004 by David Brownell
27 #include <linux/dma-mapping.h>
41 /*-------------------------------------------------------------------------*/
53 * test this driver on, and Cypress (including In-System Design) for
66 #define EHCI_TUNE_CERR 3 /* 0-3 qtd retries; 0 == don't stop */
69 #define EHCI_TUNE_MULT_HS 1 /* 1-3 transactions/uframe; 4.10.3 */
77 #define EHCI_TUNE_FLS 1 /* (medium) 512-frame schedule */
82 MODULE_PARM_DESC (log2_irq_thresh, "log2 IRQ latency, 1-64 microframes");
87 MODULE_PARM_DESC (park, "park setting; 1-3 back-to-back async packets");
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/linux/arch/m68k/atari/
H A Dconfig.c10 * gettod() for TT
40 #include <asm/bootinfo-atari.h>
118 * Parse an Atari-specific record in the bootinfo
124 const void *data = record->data; in atari_parse_bootinfo()
126 switch (be16_to_cpu(record->tag)) { in atari_parse_bootinfo()
141 /* Parse the Atari-specific switches= option. */
233 * hardware, we assume that the ST-DMA serves SCSI instead of in config_atari()
238 pr_cont(" STDMA-SCSI"); in config_atari()
265 * The ST-DMA address registers aren't readable in config_atari()
385 /* allocator for memory that must reside in st-ram */ in config_atari()
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/linux/Documentation/sound/hd-audio/
H A Dmodels.rst2 HD-Audio Codec-Specific Models
8 3-jack in back and a headphone out
9 3stack-digout
10 3-jack in back, a HP out and a SPDIF out
12 5-jack in back, 2-jack in front
13 5stack-digout
14 5-jack in back, 2-jack in front, a SPDIF out
16 6-jack in back, 2-jack in front
17 6stack-digout
18 6-jack with a SPDIF out
[all …]
/linux/drivers/usb/fotg210/
H A Dfotg210-hcd.c1 // SPDX-License-Identifier: GPL-2.0+
2 /* Faraday FOTG210 EHCI-like driver
6 * Author: Yuan-Hsin Chen <yhchen@faraday-tech.com>
7 * Feng-Hsin Chiang <john453@faraday-tech.com>
8 * Po-Yu Chuang <ratbert.chuang@gmail.com>
10 * Most of code borrowed from the Linux-3.7 EHCI driver
29 #include <linux/dma-mapping.h>
49 #define FOTG210_TUNE_CERR 3 /* 0-3 qtd retries; 0 == don't stop */
52 #define FOTG210_TUNE_MULT_HS 1 /* 1-3 transactions/uframe; 4.10.3 */
60 #define FOTG210_TUNE_FLS 1 /* (medium) 512-frame schedule */
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/linux/drivers/gpu/drm/xe/
H A Dxe_bo.c1 // SPDX-License-Identifier: MIT
8 #include <linux/dma-buf.h>
79 return res->mem_type == XE_PL_STOLEN && IS_DGFX(xe); in resource_is_stolen_vram()
84 return mem_type_is_vram(res->mem_type); in resource_is_vram()
89 return resource_is_vram(bo->ttm.resource) || in xe_bo_is_vram()
90 resource_is_stolen_vram(xe_bo_device(bo), bo->ttm.resource); in xe_bo_is_vram()
95 return bo->ttm.resource->mem_type == XE_PL_STOLEN; in xe_bo_is_stolen()
99 * xe_bo_has_single_placement - check if BO is placed only in one memory location
109 return bo->placement.num_placement == 1; in xe_bo_has_single_placement()
113 * xe_bo_is_stolen_devmem - check if BO is of stolen type accessed via PCI BAR
[all …]
/linux/drivers/net/ethernet/mellanox/mlx5/core/
H A Den_tc.c14 * - Redistributions of source code must retain the above
18 * - Redistributions in binary form must reproduce the above
156 return tc ? tc : ERR_PTR(-ENOMEM); in mlx5e_tc_table_alloc()
166 return tc->chains; in mlx5e_nic_chains()
172 * which call rhashtable_destroy on fg->ftes_hash which will take ht->mutex but
173 * it's different than the ht->mutex here.
189 void *headers_c = spec->match_criteria, *headers_v = spec->match_value, *fmask, *fval; in mlx5e_tc_match_to_reg_match()
193 u32 max_mask = GENMASK(match_len - 1, 0); in mlx5e_tc_match_to_reg_match()
227 spec->match_criteria_enable |= MLX5_MATCH_MISC_PARAMETERS_2; in mlx5e_tc_match_to_reg_match()
236 void *headers_c = spec->match_criteria, *headers_v = spec->match_value, *fmask, *fval; in mlx5e_tc_match_to_reg_get_match()
[all …]
/linux/drivers/gpu/drm/i915/gem/
H A Di915_gem_ttm_move.c1 // SPDX-License-Identifier: MIT
57 ttm->caching == ttm_cached) ? I915_CACHE_LLC : in i915_ttm_cache_level()
74 ttm_mem_type - I915_PL_LMEM0); in i915_ttm_region()
78 * i915_ttm_adjust_domains_after_move - Adjust the GEM domains after a
86 if (i915_ttm_cpu_maps_iomem(bo->resource) || bo->ttm->caching != ttm_cached) { in i915_ttm_adjust_domains_after_move()
87 obj->write_domain = I915_GEM_DOMAIN_WC; in i915_ttm_adjust_domains_after_move()
88 obj->read_domains = I915_GEM_DOMAIN_WC; in i915_ttm_adjust_domains_after_move()
90 obj->write_domain = I915_GEM_DOMAIN_CPU; in i915_ttm_adjust_domains_after_move()
91 obj->read_domains = I915_GEM_DOMAIN_CPU; in i915_ttm_adjust_domains_after_move()
96 * i915_ttm_adjust_gem_after_move - Adjust the GEM state after a TTM move
[all …]
/linux/include/linux/usb/
H A Dhcd.h1 // SPDX-License-Identifier: GPL-2.0+
3 * Copyright (c) 2001-2002 by David Brownell
42 /*-------------------------------------------------------------------------*/
51 /*-------------------------------------------------------------------------*/
73 struct usb_bus self; /* hcd is-a bus */
79 * hcd->driver->flags & HCD_MASK
83 struct timer_list rh_timer; /* drives root-hub polling */
93 const struct hc_driver *driver; /* hw-specific hooks */
97 * other external phys should be software-transparent
119 #define HCD_HW_ACCESSIBLE(hcd) ((hcd)->flags & (1U << HCD_FLAG_HW_ACCESSIBLE))
[all …]
/linux/drivers/isdn/mISDN/
H A Ddsp_cmx.c20 * There are 3 different solutions: -1 = software, 0 = hardware-crossconnect
21 * 1-n = hardware-conference. The n will give the conference number.
39 * - Crossconnecting or even conference, if more than two members are together.
40 * - Force mixing of transmit data with other crossconnect/conference members.
41 * - Echo generation to benchmark the delay of audio processing.
42 * - Use hardware to minimize cpu load, disable FIFO load and minimize delay.
43 * - Dejittering and clock generation.
48 * RX-Buffer
51 * ----------------+-------------+-------------------
53 * The rx-buffer is a ring buffer used to store the received data for each
[all …]
/linux/net/batman-adv/
H A Dmain.h1 /* SPDX-License-Identifier: GPL-2.0 */
13 #define BATADV_DRIVER_DEVICE "batman-adv"
32 * -> TODO: check influence on BATADV_TQ_LOCAL_WINDOW_SIZE
63 /* number of OGMs sent with the last tt diff */
78 /* default interface for multi interface operation. The default interface is
100 /* BATADV_TQ_SIMILARITY_THRESHOLD - TQ points that a secondary metric can differ
106 * forw_packet->direct_link_flags
127 * BATADV_TP_MAX_NUM - maximum number of simultaneously active tp sessions
132 * enum batadv_mesh_state - State of a soft interface
149 * enum batadv_uev_action - action type of uevent
[all …]
/linux/rust/kernel/
H A Dworkqueue.rs1 // SPDX-License-Identifier: GPL-2.0
11 //! generic, they are used only at compile-time, so they shouldn't exist in the final binary.
51 //! fn new(value: i32) -> Result<Arc<Self>> {
54 //! work <- new_work!("MyStruct::work"),
96 //! fn new(value_1: i32, value_2: i32) -> Result<Arc<Self>> {
100 //! work_1 <- new_work!("MyStruct::work_1"),
101 //! work_2 <- new_work!("MyStruct::work_2"),
137 /// Creates a [`Work`] initialiser with the given name and a newly-created lock class.
155 // SAFETY: Accesses to workqueues used by [`Queue`] are thread-safe.
157 // SAFETY: Accesses to workqueues used by [`Queue`] are thread-safe.
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/linux/drivers/usb/misc/
H A Dusb251xb.c1 // SPDX-License-Identifier: GPL-2.0+
3 * Driver for Microchip USB251xB USB 2.0 Hi-Speed Hub Controller
9 * a not-accepted patch by Fabien Lahoudere, see:
110 #define DRIVER_DESC "Microchip USB 2.0 Hi-Speed Hub Controller"
234 if (dev->type == &i2c_adapter_type) { in usb251xb_check_dev_children()
244 struct gpio_chip *gc = gpiod_to_chip(hub->gpio_reset); in usb251x_check_gpio_chip()
245 struct i2c_adapter *adap = hub->i2c->adapter; in usb251x_check_gpio_chip()
248 if (!hub->gpio_reset) in usb251x_check_gpio_chip()
252 return -EINVAL; in usb251x_check_gpio_chip()
254 ret = usb251xb_check_dev_children(&adap->dev, gc->parent); in usb251x_check_gpio_chip()
[all …]
/linux/fs/jfs/
H A 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)
133 2, 1, 1, 1, 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, -1
141 * memory is allocated for the in-core bmap descriptor and
[all …]
/linux/drivers/usb/musb/
H A Dmusb_host.c1 // SPDX-License-Identifier: GPL-2.0
6 * Copyright (C) 2005-2006 by Texas Instruments
7 * Copyright (C) 2006-2007 Nokia Corporation
8 * Copyright (C) 2008-2009 MontaVista Software, Inc. <source@mvista.com>
18 #include <linux/dma-mapping.h>
24 /* MUSB HOST status 22-mar-2006
26 * - There's still lots of partial code duplication for fault paths, so
29 * - PIO mostly behaved when last tested.
36 * - DMA (CPPI) ... partially behaves, not currently recommended
41 * - DMA (Mentor/OMAP) ...has at least toggle update problems
[all …]
/linux/include/linux/
H A Drcupdate.h1 /* SPDX-License-Identifier: GPL-2.0+ */
3 * Read-Copy Update mechanism for mutual exclusion
15 * For detailed explanation of Read-Copy Update mechanism see -
34 #define ULONG_CMP_GE(a, b) (ULONG_MAX / 2 >= (a) - (b))
35 #define ULONG_CMP_LT(a, b) (ULONG_MAX / 2 < (a) - (b))
38 #define RCU_SEQ_STATE_MASK ((1 << RCU_SEQ_CTR_SHIFT) - 1)
50 // not-yet-completed RCU grace periods.
54 * same_state_synchronize_rcu - Are two old-state values identical?
55 * @oldstate1: First old-state value.
56 * @oldstate2: Second old-state value.
[all …]
/linux/Documentation/admin-guide/media/
H A Dbttv.rst1 .. SPDX-License-Identifier: GPL-2.0
8 ----------------------
12 ./scripts/config -e PCI
13 ./scripts/config -m I2C
14 ./scripts/config -m INPUT
15 ./scripts/config -m MEDIA_SUPPORT
16 ./scripts/config -e MEDIA_PCI_SUPPORT
17 ./scripts/config -e MEDIA_ANALOG_TV_SUPPORT
18 ./scripts/config -e MEDIA_DIGITAL_TV_SUPPORT
19 ./scripts/config -e MEDIA_RADIO_SUPPORT
[all …]
/linux/drivers/usb/isp1760/
H A Disp1760-hcd.c1 // SPDX-License-Identifier: GPL-2.0
6 * - ISO
7 * - OTG
33 #include "isp1760-core.h"
34 #include "isp1760-hcd.h"
35 #include "isp1760-regs.h"
46 return *(struct isp1760_hcd **)hcd->hcd_priv; in hcd_to_priv()
150 /* the rest is HCD-private */
158 /* QTD_XFER_STARTED: valid ptd has been written to isp176x - only
204 return isp1760_field_read(priv->fields, field); in isp1760_hcd_read()
[all …]
/linux/drivers/scsi/
H A DKconfig1 # SPDX-License-Identifier: GPL-2.0-only
29 If you want to use a SCSI hard disk, SCSI tape drive, SCSI CD-ROM or
79 comment "SCSI support type (disk, tape, CD-ROM)"
89 the IOMEGA ZIP drive, say Y and read the SCSI-HOWTO,
90 the Disk-HOWTO and the Multi-Disk-HOWTO, available from
92 CD-ROMs.
108 SCSI-HOWTO, available from
111 for SCSI CD-ROMs.
122 by SCSI, FireWire, USB or ATAPI, say Y and read the SCSI-HOWTO
123 and the CDROM-HOWTO at <http://www.tldp.org/docs.html#howto>.
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/linux/Documentation/gpu/
H A Ddrm-mm.rst6 frame buffers, textures, vertices and other graphics-related data. Given
13 manager to be developed and tried to be a one-size-fits-them all
20 GEM started as an Intel-sponsored project in reaction to TTM's
22 providing a solution to every graphics memory-related problems, GEM
31 .. kernel-doc:: drivers/gpu/drm/ttm/ttm_module.c
34 .. kernel-doc:: include/drm/ttm/ttm_caching.h
38 ---------------------------
40 .. kernel-doc:: include/drm/ttm/ttm_device.h
43 .. kernel-doc:: drivers/gpu/drm/ttm/ttm_device.c
47 --------------------------------
[all …]

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