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/Linux-v5.15/drivers/media/platform/davinci/
Dvpbe_display.c41 struct vpbe_layer *layer);
62 struct vpbe_layer *layer) in vpbe_isr_even_field() argument
64 if (layer->cur_frm == layer->next_frm) in vpbe_isr_even_field()
67 layer->cur_frm->vb.vb2_buf.timestamp = ktime_get_ns(); in vpbe_isr_even_field()
68 vb2_buffer_done(&layer->cur_frm->vb.vb2_buf, VB2_BUF_STATE_DONE); in vpbe_isr_even_field()
70 layer->cur_frm = layer->next_frm; in vpbe_isr_even_field()
74 struct vpbe_layer *layer) in vpbe_isr_odd_field() argument
80 if (list_empty(&layer->dma_queue) || in vpbe_isr_odd_field()
81 (layer->cur_frm != layer->next_frm)) { in vpbe_isr_odd_field()
91 layer->next_frm = list_entry(layer->dma_queue.next, in vpbe_isr_odd_field()
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Dvpbe_osd.c101 /* define some macros for layer and pixfmt classification */
102 #define is_osd_win(layer) (((layer) == WIN_OSD0) || ((layer) == WIN_OSD1)) argument
103 #define is_vid_win(layer) (((layer) == WIN_VID0) || ((layer) == WIN_VID1)) argument
117 * @lconfig: ptr to layer config
122 * whenever the vid0 layer configuration or start address is modified, or when
409 static void _osd_set_zoom(struct osd_state *sd, enum osd_layer layer, in _osd_set_zoom() argument
415 switch (layer) { in _osd_set_zoom()
443 static void _osd_disable_layer(struct osd_state *sd, enum osd_layer layer) in _osd_disable_layer() argument
445 switch (layer) { in _osd_disable_layer()
463 static void osd_disable_layer(struct osd_state *sd, enum osd_layer layer) in osd_disable_layer() argument
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/Linux-v5.15/drivers/gpu/drm/sun4i/
Dsun4i_layer.c21 struct sun4i_layer *layer = plane_to_sun4i_layer(plane); in sun4i_backend_layer_reset() local
36 plane->state->zpos = layer->id; in sun4i_backend_layer_reset()
72 struct sun4i_layer *layer = plane_to_sun4i_layer(plane); in sun4i_backend_layer_atomic_disable() local
73 struct sun4i_backend *backend = layer->backend; in sun4i_backend_layer_atomic_disable()
75 sun4i_backend_layer_enable(backend, layer->id, false); in sun4i_backend_layer_atomic_disable()
92 struct sun4i_layer *layer = plane_to_sun4i_layer(plane); in sun4i_backend_layer_atomic_update() local
93 struct sun4i_backend *backend = layer->backend; in sun4i_backend_layer_atomic_update()
96 sun4i_backend_cleanup_layer(backend, layer->id); in sun4i_backend_layer_atomic_update()
104 sun4i_backend_update_layer_frontend(backend, layer->id, in sun4i_backend_layer_atomic_update()
108 sun4i_backend_update_layer_formats(backend, layer->id, plane); in sun4i_backend_layer_atomic_update()
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Dsun8i_ui_layer.c127 DRM_DEBUG_DRIVER("Primary layer, updating global size W: %u H: %u\n", in sun8i_ui_layer_update_coord()
154 DRM_DEBUG_DRIVER("Layer source offset X: %d Y: %d\n", in sun8i_ui_layer_update_coord()
156 DRM_DEBUG_DRIVER("Layer source size W: %d H: %d\n", src_w, src_h); in sun8i_ui_layer_update_coord()
181 DRM_DEBUG_DRIVER("Layer destination coordinates X: %d Y: %d\n", in sun8i_ui_layer_update_coord()
183 DRM_DEBUG_DRIVER("Layer destination size W: %d H: %d\n", dst_w, dst_h); in sun8i_ui_layer_update_coord()
245 DRM_DEBUG_DRIVER("Layer line width: %d bytes\n", fb->pitches[0]); in sun8i_ui_layer_update_buffer()
264 struct sun8i_ui_layer *layer = plane_to_sun8i_ui_layer(plane); in sun8i_ui_layer_atomic_check() local
280 if (layer->mixer->cfg->scaler_mask & BIT(layer->channel)) { in sun8i_ui_layer_atomic_check()
296 struct sun8i_ui_layer *layer = plane_to_sun8i_ui_layer(plane); in sun8i_ui_layer_atomic_disable() local
298 struct sun8i_mixer *mixer = layer->mixer; in sun8i_ui_layer_atomic_disable()
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Dsun8i_ui_layer.h17 #define SUN8I_MIXER_CHAN_UI_LAYER_ATTR(base, layer) \ argument
18 ((base) + 0x20 * (layer) + 0x0)
19 #define SUN8I_MIXER_CHAN_UI_LAYER_SIZE(base, layer) \ argument
20 ((base) + 0x20 * (layer) + 0x4)
21 #define SUN8I_MIXER_CHAN_UI_LAYER_COORD(base, layer) \ argument
22 ((base) + 0x20 * (layer) + 0x8)
23 #define SUN8I_MIXER_CHAN_UI_LAYER_PITCH(base, layer) \ argument
24 ((base) + 0x20 * (layer) + 0xc)
25 #define SUN8I_MIXER_CHAN_UI_LAYER_TOP_LADDR(base, layer) \ argument
26 ((base) + 0x20 * (layer) + 0x10)
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Dsun8i_vi_layer.c150 DRM_DEBUG_DRIVER("Layer source offset X: %d Y: %d\n", in sun8i_vi_layer_update_coord()
153 DRM_DEBUG_DRIVER("Layer source size W: %d H: %d\n", src_w, src_h); in sun8i_vi_layer_update_coord()
231 DRM_DEBUG_DRIVER("Layer destination coordinates X: %d Y: %d\n", in sun8i_vi_layer_update_coord()
233 DRM_DEBUG_DRIVER("Layer destination size W: %d H: %d\n", dst_w, dst_h); in sun8i_vi_layer_update_coord()
344 DRM_DEBUG_DRIVER("Layer %d. line width: %d bytes\n", in sun8i_vi_layer_update_buffer()
368 struct sun8i_vi_layer *layer = plane_to_sun8i_vi_layer(plane); in sun8i_vi_layer_atomic_check() local
384 if (layer->mixer->cfg->scaler_mask & BIT(layer->channel)) { in sun8i_vi_layer_atomic_check()
400 struct sun8i_vi_layer *layer = plane_to_sun8i_vi_layer(plane); in sun8i_vi_layer_atomic_disable() local
402 struct sun8i_mixer *mixer = layer->mixer; in sun8i_vi_layer_atomic_disable()
404 sun8i_vi_layer_enable(mixer, layer->channel, layer->overlay, false, 0, in sun8i_vi_layer_atomic_disable()
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Dsun8i_vi_layer.h11 #define SUN8I_MIXER_CHAN_VI_LAYER_ATTR(base, layer) \ argument
12 ((base) + 0x30 * (layer) + 0x0)
13 #define SUN8I_MIXER_CHAN_VI_LAYER_SIZE(base, layer) \ argument
14 ((base) + 0x30 * (layer) + 0x4)
15 #define SUN8I_MIXER_CHAN_VI_LAYER_COORD(base, layer) \ argument
16 ((base) + 0x30 * (layer) + 0x8)
17 #define SUN8I_MIXER_CHAN_VI_LAYER_PITCH(base, layer, plane) \ argument
18 ((base) + 0x30 * (layer) + 0xc + 4 * (plane))
19 #define SUN8I_MIXER_CHAN_VI_LAYER_TOP_LADDR(base, layer, plane) \ argument
20 ((base) + 0x30 * (layer) + 0x18 + 4 * (plane))
/Linux-v5.15/drivers/gpu/drm/xlnx/
Dzynqmp_disp.c94 * enum zynqmp_disp_layer_id - Layer identifier
95 * @ZYNQMP_DISP_LAYER_VID: Video layer
96 * @ZYNQMP_DISP_LAYER_GFX: Graphics layer
104 * enum zynqmp_disp_layer_mode - Layer mode
114 * struct zynqmp_disp_layer_dma - DMA channel for one data plane of a layer
126 * struct zynqmp_disp_layer_info - Static layer information
138 * struct zynqmp_disp_layer - Display layer (DRM plane)
140 * @id: Layer ID
142 * @info: Static layer information
238 /* List of video layer formats */
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/Linux-v5.15/Documentation/networking/caif/
Dlinux_caif.rst31 * CAIF Socket Layer and GPRS IP Interface.
33 * CAIF Link Layer, implemented as NET devices.
54 +--> ! HSI ! ! TTY ! ! USB ! <- Link Layer (Net Devices)
63 CAIF Core Protocol Layer
66 CAIF Core layer implements the CAIF protocol as defined by ST-Ericsson.
68 each layer described in the specification is implemented as a separate layer.
69 The architecture is inspired by the design patterns "Protocol Layer" and
78 - Layered architecture (a la Streams), each layer in the CAIF
80 - Clients must call configuration function to add PHY layer.
81 - Clients must implement CAIF layer to consume/produce
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/Linux-v5.15/include/net/caif/
Dcaif_layer.h36 * enum caif_ctrlcmd - CAIF Stack Control Signaling sent in layer.ctrlcmd().
47 * @CAIF_CTRLCMD_INIT_RSP: Called initially when the layer below
55 * @_CAIF_CTRLCMD_PHYIF_FLOW_OFF_IND: CAIF Link layer temporarily cannot
57 * @_CAIF_CTRLCMD_PHYIF_FLOW_ON_IND: Called if CAIF Link layer is able
59 * @_CAIF_CTRLCMD_PHYIF_DOWN_IND: Called if CAIF Link layer is going
63 * They are used for signaling originating from the modem or CAIF Link Layer.
80 * to the CAIF Link Layer or modem.
88 * @_CAIF_MODEMCMD_PHYIF_USEFULL: Notify physical layer that it is in use
90 * @_CAIF_MODEMCMD_PHYIF_USELESS: Notify physical layer that it is
115 * struct cflayer - CAIF Stack layer.
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Dcaif_dev.h52 * @client_layer: User implementation of client layer. This layer
55 * @ifindex: Link layer interface index used for this connection.
60 * the struct cflayer. This layer represents the Client layer and holds
75 * @client_layer: Client layer to be disconnected.
83 * @adapt_layer: Client layer using CAIF Stack.
84 * @hold: Function provided by client layer increasing ref-count
85 * @put: Function provided by client layer decreasing ref-count
100 * @client_layer: Client layer to be removed.
102 * This function must be called from client layer in order to free memory.
109 * struct caif_enroll_dev - Enroll a net-device as a CAIF Link layer
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/Linux-v5.15/drivers/gpu/drm/atmel-hlcdc/
Datmel_hlcdc_dc.h132 * Atmel HLCDC Layer registers layout structure
134 * Each HLCDC layer has its own register organization and a given register
137 * This structure stores common registers layout for a given layer and is
138 * used by HLCDC layer code to choose the appropriate register to write to
153 * @general_config: general layer config register
202 * Atmel HLCDC layer types
215 * This structure list all the formats supported by a given layer.
226 * Atmel HLCDC Layer description structure
228 * This structure describes the capabilities provided by a given layer.
230 * @name: layer name
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/Linux-v5.15/drivers/media/dvb-frontends/
Dmb86a20s.c377 unsigned layer) in mb86a20s_get_modulation() argument
381 [0] = 0x86, /* Layer A */ in mb86a20s_get_modulation()
382 [1] = 0x8a, /* Layer B */ in mb86a20s_get_modulation()
383 [2] = 0x8e, /* Layer C */ in mb86a20s_get_modulation()
386 if (layer >= ARRAY_SIZE(reg)) in mb86a20s_get_modulation()
388 rc = mb86a20s_writereg(state, 0x6d, reg[layer]); in mb86a20s_get_modulation()
409 unsigned layer) in mb86a20s_get_fec() argument
414 [0] = 0x87, /* Layer A */ in mb86a20s_get_fec()
415 [1] = 0x8b, /* Layer B */ in mb86a20s_get_fec()
416 [2] = 0x8f, /* Layer C */ in mb86a20s_get_fec()
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/Linux-v5.15/Documentation/gpu/
Dkomeda-kms.rst22 Layer section in Overview of D71 like display IPs
24 Layer is the first pipeline stage, which prepares the pixel data for the next
33 The usage of scaler is very flexible and can be connected to layer output
34 for layer scaling, or connected to compositor and scale the whole display
46 Writeback Layer (wb_layer)
48 Writeback layer does the opposite things of Layer, which connects to compiz
64 compared with Layer, like if Layer supports 4K input size, the scaler only can
66 introduces Layer Split, which splits the whole image to two half parts and feeds
73 Similar to Layer Split, but Splitter is used for writeback, which splits the
120 "Layer-0" -> "Scaler-0"
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/Linux-v5.15/fs/overlayfs/
Dexport.c41 * Before encoding a non-upper directory file handle from real layer N, we need
44 * "layer N connected" ancestor and verifying that all parents along the way are
45 * "layer N connectable". If an ancestor that is NOT "layer N connectable" is
46 * found, we need to copy up an ancestor, which is "layer N connectable", thus
47 * making that ancestor "layer N connected". For example:
49 * layer 1: /a
50 * layer 2: /a/b/c
52 * The overlay dentry /a is NOT "layer 2 connectable", because if dir /a is
54 * layer 1. The dir /a from layer 2 will never be indexed, so the algorithm (*)
59 * /a/b/c, which is "layer 2 connectable", on encode time. That ancestor is
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/Linux-v5.15/net/caif/
Dcaif_dev.c34 struct cflayer layer; member
160 caifd->layer.up-> in caif_flow_cb()
161 ctrlcmd(caifd->layer.up, in caif_flow_cb()
163 caifd->layer.id); in caif_flow_cb()
167 static int transmit(struct cflayer *layer, struct cfpkt *pkt) in transmit() argument
171 container_of(layer, struct caif_device_entry, layer); in transmit()
229 caifd->layer.up->ctrlcmd(caifd->layer.up, in transmit()
231 caifd->layer.id); in transmit()
258 if (!caifd || !caifd->layer.up || !caifd->layer.up->receive || in receive()
269 err = caifd->layer.up->receive(caifd->layer.up, pkt); in receive()
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Dcfserl.c22 struct cflayer layer; member
34 void cfserl_release(struct cflayer *layer) in cfserl_release() argument
36 kfree(layer); in cfserl_release()
44 caif_assert(offsetof(struct cfserl, layer) == 0); in cfserl_create()
45 this->layer.receive = cfserl_receive; in cfserl_create()
46 this->layer.transmit = cfserl_transmit; in cfserl_create()
47 this->layer.ctrlcmd = cfserl_ctrlcmd; in cfserl_create()
50 snprintf(this->layer.name, CAIF_LAYER_NAME_SZ, "ser1"); in cfserl_create()
51 return &this->layer; in cfserl_create()
158 ret = layr->layer.up->receive(layr->layer.up, pkt); in cfserl_receive()
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Dcaif_usb.c32 struct cflayer layer; member
54 struct cfusbl *usbl = container_of(layr, struct cfusbl, layer); in cfusbl_transmit()
92 caif_assert(offsetof(struct cfusbl, layer) == 0); in cfusbl_create()
94 memset(&this->layer, 0, sizeof(this->layer)); in cfusbl_create()
95 this->layer.receive = cfusbl_receive; in cfusbl_create()
96 this->layer.transmit = cfusbl_transmit; in cfusbl_create()
97 this->layer.ctrlcmd = cfusbl_ctrlcmd; in cfusbl_create()
98 snprintf(this->layer.name, CAIF_LAYER_NAME_SZ, "usb%d", phyid); in cfusbl_create()
99 this->layer.id = phyid; in cfusbl_create()
118 static void cfusbl_release(struct cflayer *layer) in cfusbl_release() argument
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/Linux-v5.15/Documentation/driver-api/surface_aggregator/
Dinternal.rst63 Lower-level packet transport is implemented in the *packet transport layer
65 infrastructure of the kernel. As the name indicates, this layer deals with
70 Above this sits the *request transport layer (RTL)*. This layer is centered
76 The *controller* layer is building on top of this and essentially decides
81 ``RQID``). This layer basically provides a fundamental interface to the SAM
84 While the controller layer already provides an interface for other kernel
97 Packet Transport Layer
100 The packet transport layer is represented via |ssh_ptl| and is structured
107 managed by the packet transport layer, which is essentially the lowest layer
114 transport layer, as well as a reference to the buffer containing the data to
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/Linux-v5.15/block/
DKconfig3 # Block layer core configuration
6 bool "Enable the block layer" if EXPERT
11 Provide block layer support for the kernel.
13 Disable this option to remove the block layer support from the
22 they make use of various block layer definitions and facilities.
39 bool "Block layer SG support v4 helper lib"
48 bool "Block layer data integrity support"
51 stored/retrieved to help protect the data. The block layer
68 Block layer zoned block device support. This option enables
75 bool "Block layer bio throttling support"
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/Linux-v5.15/drivers/net/ethernet/amazon/ena/
Dena_com.h368 * @ena_dev: ENA communication layer struct
379 * @ena_dev: ENA communication layer struct
387 * @ena_dev: ENA communication layer struct
392 * @ena_dev: ENA communication layer struct
397 * @ena_dev: ENA communication layer struct
409 * @ena_dev: ENA communication layer struct
418 * @ena_dev: ENA communication layer struct
427 * @ena_dev: ENA communication layer struct
438 * @ena_dev: ENA communication layer struct
444 * @ena_dev: ENA communication layer struct
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/Linux-v5.15/Documentation/userspace-api/media/
Dfrontend.h.rst.exceptions6 # Group layer A-C symbols together
7 replace define DTV_ISDBT_LAYERA_FEC dtv-isdbt-layer-fec
8 replace define DTV_ISDBT_LAYERB_FEC dtv-isdbt-layer-fec
9 replace define DTV_ISDBT_LAYERC_FEC dtv-isdbt-layer-fec
10 replace define DTV_ISDBT_LAYERA_MODULATION dtv-isdbt-layer-modulation
11 replace define DTV_ISDBT_LAYERB_MODULATION dtv-isdbt-layer-modulation
12 replace define DTV_ISDBT_LAYERC_MODULATION dtv-isdbt-layer-modulation
13 replace define DTV_ISDBT_LAYERA_SEGMENT_COUNT dtv-isdbt-layer-segment-count
14 replace define DTV_ISDBT_LAYERB_SEGMENT_COUNT dtv-isdbt-layer-segment-count
15 replace define DTV_ISDBT_LAYERC_SEGMENT_COUNT dtv-isdbt-layer-segment-count
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/Linux-v5.15/Documentation/hid/
Damd-sfh-hid.rst45 AMD HID Transport Layer
49 sensor data. The layer, which binds each device (AMD SFH HID driver) identifies the device type and
50 registers with the HID core. Transport layer attaches a constant "struct hid_ll_driver" object with
52 used by HID core to communicate with the device. AMD HID Transport layer implements the synchronous…
54 AMD HID Client Layer
56 This layer is responsible to implement HID requests and descriptors. As firmware is OS agnostic, HID
57 client layer fills the HID request structure and descriptors. HID client layer is complex as it is
58 interface between MP2 PCIe layer and HID. HID client layer initializes the MP2 PCIe layer and holds
59 the instance of MP2 layer. It identifies the number of sensors connected using MP2-PCIe layer. Based
61 enumeration of each sensor, client layer fills the HID Descriptor structure and HID input report
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/Linux-v5.15/Documentation/networking/
Dppp_generic.rst37 be linked to each ppp network interface unit. The generic layer is
46 functions used to communicate between the generic PPP layer and PPP
49 Each channel has to provide two functions to the generic PPP layer,
52 * start_xmit() is called by the generic layer when it has a frame to
56 later time when it can accept frames again, and the generic layer
66 The generic PPP layer provides seven functions to channels:
69 notify the PPP generic layer of its presence. For example, setting
89 generic layer to this channel. The channel should provide some way
97 Connecting a channel to the ppp generic layer is initiated from the
98 channel code, rather than from the generic layer. The channel is
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/Linux-v5.15/Documentation/scsi/
Dufs.rst12 2.1 Application Layer
13 2.2 UFS Transport Protocol(UTP) layer
14 2.3 UFS Interconnect(UIC) Layer
30 on MIPI M-PHY physical layer standard. UFS uses MIPI M-PHY as the
31 physical layer and MIPI Unipro as the link layer.
58 2.1 Application Layer
61 The Application layer is composed of UFS command set layer(UCS),
64 protocol for versions 1.0 and 1.1 of UFS protocol layer.
81 2.2 UFS Transport Protocol(UTP) layer
84 UTP layer provides services for
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