1ee4a77a3SMauro Carvalho Chehab // SPDX-License-Identifier: GPL-2.0+
2ee4a77a3SMauro Carvalho Chehab /*
3ee4a77a3SMauro Carvalho Chehab * vsp1_entity.c -- R-Car VSP1 Base Entity
4ee4a77a3SMauro Carvalho Chehab *
5ee4a77a3SMauro Carvalho Chehab * Copyright (C) 2013-2014 Renesas Electronics Corporation
6ee4a77a3SMauro Carvalho Chehab *
7ee4a77a3SMauro Carvalho Chehab * Contact: Laurent Pinchart (laurent.pinchart@ideasonboard.com)
8ee4a77a3SMauro Carvalho Chehab */
9ee4a77a3SMauro Carvalho Chehab
10ee4a77a3SMauro Carvalho Chehab #include <linux/device.h>
11ee4a77a3SMauro Carvalho Chehab #include <linux/gfp.h>
12ee4a77a3SMauro Carvalho Chehab
13ee4a77a3SMauro Carvalho Chehab #include <media/media-entity.h>
14ee4a77a3SMauro Carvalho Chehab #include <media/v4l2-ctrls.h>
15ee4a77a3SMauro Carvalho Chehab #include <media/v4l2-subdev.h>
16ee4a77a3SMauro Carvalho Chehab
17ee4a77a3SMauro Carvalho Chehab #include "vsp1.h"
18ee4a77a3SMauro Carvalho Chehab #include "vsp1_dl.h"
19ee4a77a3SMauro Carvalho Chehab #include "vsp1_entity.h"
20ee4a77a3SMauro Carvalho Chehab #include "vsp1_pipe.h"
21ee4a77a3SMauro Carvalho Chehab #include "vsp1_rwpf.h"
22ee4a77a3SMauro Carvalho Chehab
vsp1_entity_route_setup(struct vsp1_entity * entity,struct vsp1_pipeline * pipe,struct vsp1_dl_body * dlb)23ee4a77a3SMauro Carvalho Chehab void vsp1_entity_route_setup(struct vsp1_entity *entity,
24ee4a77a3SMauro Carvalho Chehab struct vsp1_pipeline *pipe,
25ee4a77a3SMauro Carvalho Chehab struct vsp1_dl_body *dlb)
26ee4a77a3SMauro Carvalho Chehab {
27ee4a77a3SMauro Carvalho Chehab struct vsp1_entity *source;
28ee4a77a3SMauro Carvalho Chehab u32 route;
29ee4a77a3SMauro Carvalho Chehab
30ee4a77a3SMauro Carvalho Chehab if (entity->type == VSP1_ENTITY_HGO) {
31ee4a77a3SMauro Carvalho Chehab u32 smppt;
32ee4a77a3SMauro Carvalho Chehab
33ee4a77a3SMauro Carvalho Chehab /*
34ee4a77a3SMauro Carvalho Chehab * The HGO is a special case, its routing is configured on the
35ee4a77a3SMauro Carvalho Chehab * sink pad.
36ee4a77a3SMauro Carvalho Chehab */
37ee4a77a3SMauro Carvalho Chehab source = entity->sources[0];
38ee4a77a3SMauro Carvalho Chehab smppt = (pipe->output->entity.index << VI6_DPR_SMPPT_TGW_SHIFT)
39ee4a77a3SMauro Carvalho Chehab | (source->route->output << VI6_DPR_SMPPT_PT_SHIFT);
40ee4a77a3SMauro Carvalho Chehab
41ee4a77a3SMauro Carvalho Chehab vsp1_dl_body_write(dlb, VI6_DPR_HGO_SMPPT, smppt);
42ee4a77a3SMauro Carvalho Chehab return;
43ee4a77a3SMauro Carvalho Chehab } else if (entity->type == VSP1_ENTITY_HGT) {
44ee4a77a3SMauro Carvalho Chehab u32 smppt;
45ee4a77a3SMauro Carvalho Chehab
46ee4a77a3SMauro Carvalho Chehab /*
47ee4a77a3SMauro Carvalho Chehab * The HGT is a special case, its routing is configured on the
48ee4a77a3SMauro Carvalho Chehab * sink pad.
49ee4a77a3SMauro Carvalho Chehab */
50ee4a77a3SMauro Carvalho Chehab source = entity->sources[0];
51ee4a77a3SMauro Carvalho Chehab smppt = (pipe->output->entity.index << VI6_DPR_SMPPT_TGW_SHIFT)
52ee4a77a3SMauro Carvalho Chehab | (source->route->output << VI6_DPR_SMPPT_PT_SHIFT);
53ee4a77a3SMauro Carvalho Chehab
54ee4a77a3SMauro Carvalho Chehab vsp1_dl_body_write(dlb, VI6_DPR_HGT_SMPPT, smppt);
55ee4a77a3SMauro Carvalho Chehab return;
56ee4a77a3SMauro Carvalho Chehab }
57ee4a77a3SMauro Carvalho Chehab
58ee4a77a3SMauro Carvalho Chehab source = entity;
59ee4a77a3SMauro Carvalho Chehab if (source->route->reg == 0)
60ee4a77a3SMauro Carvalho Chehab return;
61ee4a77a3SMauro Carvalho Chehab
62ee4a77a3SMauro Carvalho Chehab route = source->sink->route->inputs[source->sink_pad];
63ee4a77a3SMauro Carvalho Chehab /*
64ee4a77a3SMauro Carvalho Chehab * The ILV and BRS share the same data path route. The extra BRSSEL bit
65ee4a77a3SMauro Carvalho Chehab * selects between the ILV and BRS.
66ee4a77a3SMauro Carvalho Chehab */
67ee4a77a3SMauro Carvalho Chehab if (source->type == VSP1_ENTITY_BRS)
68ee4a77a3SMauro Carvalho Chehab route |= VI6_DPR_ROUTE_BRSSEL;
69ee4a77a3SMauro Carvalho Chehab vsp1_dl_body_write(dlb, source->route->reg, route);
70ee4a77a3SMauro Carvalho Chehab }
71ee4a77a3SMauro Carvalho Chehab
vsp1_entity_configure_stream(struct vsp1_entity * entity,struct vsp1_pipeline * pipe,struct vsp1_dl_list * dl,struct vsp1_dl_body * dlb)72ee4a77a3SMauro Carvalho Chehab void vsp1_entity_configure_stream(struct vsp1_entity *entity,
73ee4a77a3SMauro Carvalho Chehab struct vsp1_pipeline *pipe,
74ee4a77a3SMauro Carvalho Chehab struct vsp1_dl_list *dl,
75ee4a77a3SMauro Carvalho Chehab struct vsp1_dl_body *dlb)
76ee4a77a3SMauro Carvalho Chehab {
77ee4a77a3SMauro Carvalho Chehab if (entity->ops->configure_stream)
78ee4a77a3SMauro Carvalho Chehab entity->ops->configure_stream(entity, pipe, dl, dlb);
79ee4a77a3SMauro Carvalho Chehab }
80ee4a77a3SMauro Carvalho Chehab
vsp1_entity_configure_frame(struct vsp1_entity * entity,struct vsp1_pipeline * pipe,struct vsp1_dl_list * dl,struct vsp1_dl_body * dlb)81ee4a77a3SMauro Carvalho Chehab void vsp1_entity_configure_frame(struct vsp1_entity *entity,
82ee4a77a3SMauro Carvalho Chehab struct vsp1_pipeline *pipe,
83ee4a77a3SMauro Carvalho Chehab struct vsp1_dl_list *dl,
84ee4a77a3SMauro Carvalho Chehab struct vsp1_dl_body *dlb)
85ee4a77a3SMauro Carvalho Chehab {
86ee4a77a3SMauro Carvalho Chehab if (entity->ops->configure_frame)
87ee4a77a3SMauro Carvalho Chehab entity->ops->configure_frame(entity, pipe, dl, dlb);
88ee4a77a3SMauro Carvalho Chehab }
89ee4a77a3SMauro Carvalho Chehab
vsp1_entity_configure_partition(struct vsp1_entity * entity,struct vsp1_pipeline * pipe,struct vsp1_dl_list * dl,struct vsp1_dl_body * dlb)90ee4a77a3SMauro Carvalho Chehab void vsp1_entity_configure_partition(struct vsp1_entity *entity,
91ee4a77a3SMauro Carvalho Chehab struct vsp1_pipeline *pipe,
92ee4a77a3SMauro Carvalho Chehab struct vsp1_dl_list *dl,
93ee4a77a3SMauro Carvalho Chehab struct vsp1_dl_body *dlb)
94ee4a77a3SMauro Carvalho Chehab {
95ee4a77a3SMauro Carvalho Chehab if (entity->ops->configure_partition)
96ee4a77a3SMauro Carvalho Chehab entity->ops->configure_partition(entity, pipe, dl, dlb);
97ee4a77a3SMauro Carvalho Chehab }
98ee4a77a3SMauro Carvalho Chehab
99ee4a77a3SMauro Carvalho Chehab /* -----------------------------------------------------------------------------
100ee4a77a3SMauro Carvalho Chehab * V4L2 Subdevice Operations
101ee4a77a3SMauro Carvalho Chehab */
102ee4a77a3SMauro Carvalho Chehab
103ee4a77a3SMauro Carvalho Chehab /**
104ee4a77a3SMauro Carvalho Chehab * vsp1_entity_get_pad_config - Get the pad configuration for an entity
105ee4a77a3SMauro Carvalho Chehab * @entity: the entity
106ee4a77a3SMauro Carvalho Chehab * @sd_state: the TRY state
107ee4a77a3SMauro Carvalho Chehab * @which: configuration selector (ACTIVE or TRY)
108ee4a77a3SMauro Carvalho Chehab *
109ee4a77a3SMauro Carvalho Chehab * When called with which set to V4L2_SUBDEV_FORMAT_ACTIVE the caller must hold
110ee4a77a3SMauro Carvalho Chehab * the entity lock to access the returned configuration.
111ee4a77a3SMauro Carvalho Chehab *
112ee4a77a3SMauro Carvalho Chehab * Return the pad configuration requested by the which argument. The TRY
113ee4a77a3SMauro Carvalho Chehab * configuration is passed explicitly to the function through the cfg argument
114ee4a77a3SMauro Carvalho Chehab * and simply returned when requested. The ACTIVE configuration comes from the
115ee4a77a3SMauro Carvalho Chehab * entity structure.
116ee4a77a3SMauro Carvalho Chehab */
117ee4a77a3SMauro Carvalho Chehab struct v4l2_subdev_state *
vsp1_entity_get_pad_config(struct vsp1_entity * entity,struct v4l2_subdev_state * sd_state,enum v4l2_subdev_format_whence which)118ee4a77a3SMauro Carvalho Chehab vsp1_entity_get_pad_config(struct vsp1_entity *entity,
119ee4a77a3SMauro Carvalho Chehab struct v4l2_subdev_state *sd_state,
120ee4a77a3SMauro Carvalho Chehab enum v4l2_subdev_format_whence which)
121ee4a77a3SMauro Carvalho Chehab {
122ee4a77a3SMauro Carvalho Chehab switch (which) {
123ee4a77a3SMauro Carvalho Chehab case V4L2_SUBDEV_FORMAT_ACTIVE:
124ee4a77a3SMauro Carvalho Chehab return entity->config;
125ee4a77a3SMauro Carvalho Chehab case V4L2_SUBDEV_FORMAT_TRY:
126ee4a77a3SMauro Carvalho Chehab default:
127ee4a77a3SMauro Carvalho Chehab return sd_state;
128ee4a77a3SMauro Carvalho Chehab }
129ee4a77a3SMauro Carvalho Chehab }
130ee4a77a3SMauro Carvalho Chehab
131ee4a77a3SMauro Carvalho Chehab /**
132ee4a77a3SMauro Carvalho Chehab * vsp1_entity_get_pad_format - Get a pad format from storage for an entity
133ee4a77a3SMauro Carvalho Chehab * @entity: the entity
134ee4a77a3SMauro Carvalho Chehab * @sd_state: the state storage
135ee4a77a3SMauro Carvalho Chehab * @pad: the pad number
136ee4a77a3SMauro Carvalho Chehab *
137ee4a77a3SMauro Carvalho Chehab * Return the format stored in the given configuration for an entity's pad. The
138ee4a77a3SMauro Carvalho Chehab * configuration can be an ACTIVE or TRY configuration.
139ee4a77a3SMauro Carvalho Chehab */
140ee4a77a3SMauro Carvalho Chehab struct v4l2_mbus_framefmt *
vsp1_entity_get_pad_format(struct vsp1_entity * entity,struct v4l2_subdev_state * sd_state,unsigned int pad)141ee4a77a3SMauro Carvalho Chehab vsp1_entity_get_pad_format(struct vsp1_entity *entity,
142ee4a77a3SMauro Carvalho Chehab struct v4l2_subdev_state *sd_state,
143ee4a77a3SMauro Carvalho Chehab unsigned int pad)
144ee4a77a3SMauro Carvalho Chehab {
145ee4a77a3SMauro Carvalho Chehab return v4l2_subdev_get_try_format(&entity->subdev, sd_state, pad);
146ee4a77a3SMauro Carvalho Chehab }
147ee4a77a3SMauro Carvalho Chehab
148ee4a77a3SMauro Carvalho Chehab /**
149ee4a77a3SMauro Carvalho Chehab * vsp1_entity_get_pad_selection - Get a pad selection from storage for entity
150ee4a77a3SMauro Carvalho Chehab * @entity: the entity
151ee4a77a3SMauro Carvalho Chehab * @sd_state: the state storage
152ee4a77a3SMauro Carvalho Chehab * @pad: the pad number
153ee4a77a3SMauro Carvalho Chehab * @target: the selection target
154ee4a77a3SMauro Carvalho Chehab *
155ee4a77a3SMauro Carvalho Chehab * Return the selection rectangle stored in the given configuration for an
156ee4a77a3SMauro Carvalho Chehab * entity's pad. The configuration can be an ACTIVE or TRY configuration. The
157ee4a77a3SMauro Carvalho Chehab * selection target can be COMPOSE or CROP.
158ee4a77a3SMauro Carvalho Chehab */
159ee4a77a3SMauro Carvalho Chehab struct v4l2_rect *
vsp1_entity_get_pad_selection(struct vsp1_entity * entity,struct v4l2_subdev_state * sd_state,unsigned int pad,unsigned int target)160ee4a77a3SMauro Carvalho Chehab vsp1_entity_get_pad_selection(struct vsp1_entity *entity,
161ee4a77a3SMauro Carvalho Chehab struct v4l2_subdev_state *sd_state,
162ee4a77a3SMauro Carvalho Chehab unsigned int pad, unsigned int target)
163ee4a77a3SMauro Carvalho Chehab {
164ee4a77a3SMauro Carvalho Chehab switch (target) {
165ee4a77a3SMauro Carvalho Chehab case V4L2_SEL_TGT_COMPOSE:
166ee4a77a3SMauro Carvalho Chehab return v4l2_subdev_get_try_compose(&entity->subdev, sd_state,
167ee4a77a3SMauro Carvalho Chehab pad);
168ee4a77a3SMauro Carvalho Chehab case V4L2_SEL_TGT_CROP:
169ee4a77a3SMauro Carvalho Chehab return v4l2_subdev_get_try_crop(&entity->subdev, sd_state,
170ee4a77a3SMauro Carvalho Chehab pad);
171ee4a77a3SMauro Carvalho Chehab default:
172ee4a77a3SMauro Carvalho Chehab return NULL;
173ee4a77a3SMauro Carvalho Chehab }
174ee4a77a3SMauro Carvalho Chehab }
175ee4a77a3SMauro Carvalho Chehab
176ee4a77a3SMauro Carvalho Chehab /*
177ee4a77a3SMauro Carvalho Chehab * vsp1_entity_init_cfg - Initialize formats on all pads
178ee4a77a3SMauro Carvalho Chehab * @subdev: V4L2 subdevice
179ee4a77a3SMauro Carvalho Chehab * @cfg: V4L2 subdev pad configuration
180ee4a77a3SMauro Carvalho Chehab *
181ee4a77a3SMauro Carvalho Chehab * Initialize all pad formats with default values in the given pad config. This
182ee4a77a3SMauro Carvalho Chehab * function can be used as a handler for the subdev pad::init_cfg operation.
183ee4a77a3SMauro Carvalho Chehab */
vsp1_entity_init_cfg(struct v4l2_subdev * subdev,struct v4l2_subdev_state * sd_state)184ee4a77a3SMauro Carvalho Chehab int vsp1_entity_init_cfg(struct v4l2_subdev *subdev,
185ee4a77a3SMauro Carvalho Chehab struct v4l2_subdev_state *sd_state)
186ee4a77a3SMauro Carvalho Chehab {
187ee4a77a3SMauro Carvalho Chehab unsigned int pad;
188ee4a77a3SMauro Carvalho Chehab
189ee4a77a3SMauro Carvalho Chehab for (pad = 0; pad < subdev->entity.num_pads - 1; ++pad) {
190*e3a69496SLaurent Pinchart struct v4l2_subdev_format format = {
191*e3a69496SLaurent Pinchart .pad = pad,
192*e3a69496SLaurent Pinchart .which = sd_state ? V4L2_SUBDEV_FORMAT_TRY
193*e3a69496SLaurent Pinchart : V4L2_SUBDEV_FORMAT_ACTIVE,
194*e3a69496SLaurent Pinchart };
195ee4a77a3SMauro Carvalho Chehab
196ee4a77a3SMauro Carvalho Chehab v4l2_subdev_call(subdev, pad, set_fmt, sd_state, &format);
197ee4a77a3SMauro Carvalho Chehab }
198ee4a77a3SMauro Carvalho Chehab
199ee4a77a3SMauro Carvalho Chehab return 0;
200ee4a77a3SMauro Carvalho Chehab }
201ee4a77a3SMauro Carvalho Chehab
202ee4a77a3SMauro Carvalho Chehab /*
203ee4a77a3SMauro Carvalho Chehab * vsp1_subdev_get_pad_format - Subdev pad get_fmt handler
204ee4a77a3SMauro Carvalho Chehab * @subdev: V4L2 subdevice
205ee4a77a3SMauro Carvalho Chehab * @cfg: V4L2 subdev pad configuration
206ee4a77a3SMauro Carvalho Chehab * @fmt: V4L2 subdev format
207ee4a77a3SMauro Carvalho Chehab *
208ee4a77a3SMauro Carvalho Chehab * This function implements the subdev get_fmt pad operation. It can be used as
209ee4a77a3SMauro Carvalho Chehab * a direct drop-in for the operation handler.
210ee4a77a3SMauro Carvalho Chehab */
vsp1_subdev_get_pad_format(struct v4l2_subdev * subdev,struct v4l2_subdev_state * sd_state,struct v4l2_subdev_format * fmt)211ee4a77a3SMauro Carvalho Chehab int vsp1_subdev_get_pad_format(struct v4l2_subdev *subdev,
212ee4a77a3SMauro Carvalho Chehab struct v4l2_subdev_state *sd_state,
213ee4a77a3SMauro Carvalho Chehab struct v4l2_subdev_format *fmt)
214ee4a77a3SMauro Carvalho Chehab {
215ee4a77a3SMauro Carvalho Chehab struct vsp1_entity *entity = to_vsp1_entity(subdev);
216ee4a77a3SMauro Carvalho Chehab struct v4l2_subdev_state *config;
217ee4a77a3SMauro Carvalho Chehab
218ee4a77a3SMauro Carvalho Chehab config = vsp1_entity_get_pad_config(entity, sd_state, fmt->which);
219ee4a77a3SMauro Carvalho Chehab if (!config)
220ee4a77a3SMauro Carvalho Chehab return -EINVAL;
221ee4a77a3SMauro Carvalho Chehab
222ee4a77a3SMauro Carvalho Chehab mutex_lock(&entity->lock);
223ee4a77a3SMauro Carvalho Chehab fmt->format = *vsp1_entity_get_pad_format(entity, config, fmt->pad);
224ee4a77a3SMauro Carvalho Chehab mutex_unlock(&entity->lock);
225ee4a77a3SMauro Carvalho Chehab
226ee4a77a3SMauro Carvalho Chehab return 0;
227ee4a77a3SMauro Carvalho Chehab }
228ee4a77a3SMauro Carvalho Chehab
229ee4a77a3SMauro Carvalho Chehab /*
230ee4a77a3SMauro Carvalho Chehab * vsp1_subdev_enum_mbus_code - Subdev pad enum_mbus_code handler
231ee4a77a3SMauro Carvalho Chehab * @subdev: V4L2 subdevice
232ee4a77a3SMauro Carvalho Chehab * @cfg: V4L2 subdev pad configuration
233ee4a77a3SMauro Carvalho Chehab * @code: Media bus code enumeration
234ee4a77a3SMauro Carvalho Chehab * @codes: Array of supported media bus codes
235ee4a77a3SMauro Carvalho Chehab * @ncodes: Number of supported media bus codes
236ee4a77a3SMauro Carvalho Chehab *
237ee4a77a3SMauro Carvalho Chehab * This function implements the subdev enum_mbus_code pad operation for entities
238ee4a77a3SMauro Carvalho Chehab * that do not support format conversion. It enumerates the given supported
239ee4a77a3SMauro Carvalho Chehab * media bus codes on the sink pad and reports a source pad format identical to
240ee4a77a3SMauro Carvalho Chehab * the sink pad.
241ee4a77a3SMauro Carvalho Chehab */
vsp1_subdev_enum_mbus_code(struct v4l2_subdev * subdev,struct v4l2_subdev_state * sd_state,struct v4l2_subdev_mbus_code_enum * code,const unsigned int * codes,unsigned int ncodes)242ee4a77a3SMauro Carvalho Chehab int vsp1_subdev_enum_mbus_code(struct v4l2_subdev *subdev,
243ee4a77a3SMauro Carvalho Chehab struct v4l2_subdev_state *sd_state,
244ee4a77a3SMauro Carvalho Chehab struct v4l2_subdev_mbus_code_enum *code,
245ee4a77a3SMauro Carvalho Chehab const unsigned int *codes, unsigned int ncodes)
246ee4a77a3SMauro Carvalho Chehab {
247ee4a77a3SMauro Carvalho Chehab struct vsp1_entity *entity = to_vsp1_entity(subdev);
248ee4a77a3SMauro Carvalho Chehab
249ee4a77a3SMauro Carvalho Chehab if (code->pad == 0) {
250ee4a77a3SMauro Carvalho Chehab if (code->index >= ncodes)
251ee4a77a3SMauro Carvalho Chehab return -EINVAL;
252ee4a77a3SMauro Carvalho Chehab
253ee4a77a3SMauro Carvalho Chehab code->code = codes[code->index];
254ee4a77a3SMauro Carvalho Chehab } else {
255ee4a77a3SMauro Carvalho Chehab struct v4l2_subdev_state *config;
256ee4a77a3SMauro Carvalho Chehab struct v4l2_mbus_framefmt *format;
257ee4a77a3SMauro Carvalho Chehab
258ee4a77a3SMauro Carvalho Chehab /*
259ee4a77a3SMauro Carvalho Chehab * The entity can't perform format conversion, the sink format
260ee4a77a3SMauro Carvalho Chehab * is always identical to the source format.
261ee4a77a3SMauro Carvalho Chehab */
262ee4a77a3SMauro Carvalho Chehab if (code->index)
263ee4a77a3SMauro Carvalho Chehab return -EINVAL;
264ee4a77a3SMauro Carvalho Chehab
265ee4a77a3SMauro Carvalho Chehab config = vsp1_entity_get_pad_config(entity, sd_state,
266ee4a77a3SMauro Carvalho Chehab code->which);
267ee4a77a3SMauro Carvalho Chehab if (!config)
268ee4a77a3SMauro Carvalho Chehab return -EINVAL;
269ee4a77a3SMauro Carvalho Chehab
270ee4a77a3SMauro Carvalho Chehab mutex_lock(&entity->lock);
271ee4a77a3SMauro Carvalho Chehab format = vsp1_entity_get_pad_format(entity, config, 0);
272ee4a77a3SMauro Carvalho Chehab code->code = format->code;
273ee4a77a3SMauro Carvalho Chehab mutex_unlock(&entity->lock);
274ee4a77a3SMauro Carvalho Chehab }
275ee4a77a3SMauro Carvalho Chehab
276ee4a77a3SMauro Carvalho Chehab return 0;
277ee4a77a3SMauro Carvalho Chehab }
278ee4a77a3SMauro Carvalho Chehab
279ee4a77a3SMauro Carvalho Chehab /*
280ee4a77a3SMauro Carvalho Chehab * vsp1_subdev_enum_frame_size - Subdev pad enum_frame_size handler
281ee4a77a3SMauro Carvalho Chehab * @subdev: V4L2 subdevice
282ee4a77a3SMauro Carvalho Chehab * @cfg: V4L2 subdev pad configuration
283ee4a77a3SMauro Carvalho Chehab * @fse: Frame size enumeration
284ee4a77a3SMauro Carvalho Chehab * @min_width: Minimum image width
285ee4a77a3SMauro Carvalho Chehab * @min_height: Minimum image height
286ee4a77a3SMauro Carvalho Chehab * @max_width: Maximum image width
287ee4a77a3SMauro Carvalho Chehab * @max_height: Maximum image height
288ee4a77a3SMauro Carvalho Chehab *
289ee4a77a3SMauro Carvalho Chehab * This function implements the subdev enum_frame_size pad operation for
290ee4a77a3SMauro Carvalho Chehab * entities that do not support scaling or cropping. It reports the given
291ee4a77a3SMauro Carvalho Chehab * minimum and maximum frame width and height on the sink pad, and a fixed
292ee4a77a3SMauro Carvalho Chehab * source pad size identical to the sink pad.
293ee4a77a3SMauro Carvalho Chehab */
vsp1_subdev_enum_frame_size(struct v4l2_subdev * subdev,struct v4l2_subdev_state * sd_state,struct v4l2_subdev_frame_size_enum * fse,unsigned int min_width,unsigned int min_height,unsigned int max_width,unsigned int max_height)294ee4a77a3SMauro Carvalho Chehab int vsp1_subdev_enum_frame_size(struct v4l2_subdev *subdev,
295ee4a77a3SMauro Carvalho Chehab struct v4l2_subdev_state *sd_state,
296ee4a77a3SMauro Carvalho Chehab struct v4l2_subdev_frame_size_enum *fse,
297ee4a77a3SMauro Carvalho Chehab unsigned int min_width, unsigned int min_height,
298ee4a77a3SMauro Carvalho Chehab unsigned int max_width, unsigned int max_height)
299ee4a77a3SMauro Carvalho Chehab {
300ee4a77a3SMauro Carvalho Chehab struct vsp1_entity *entity = to_vsp1_entity(subdev);
301ee4a77a3SMauro Carvalho Chehab struct v4l2_subdev_state *config;
302ee4a77a3SMauro Carvalho Chehab struct v4l2_mbus_framefmt *format;
303ee4a77a3SMauro Carvalho Chehab int ret = 0;
304ee4a77a3SMauro Carvalho Chehab
305ee4a77a3SMauro Carvalho Chehab config = vsp1_entity_get_pad_config(entity, sd_state, fse->which);
306ee4a77a3SMauro Carvalho Chehab if (!config)
307ee4a77a3SMauro Carvalho Chehab return -EINVAL;
308ee4a77a3SMauro Carvalho Chehab
309ee4a77a3SMauro Carvalho Chehab format = vsp1_entity_get_pad_format(entity, config, fse->pad);
310ee4a77a3SMauro Carvalho Chehab
311ee4a77a3SMauro Carvalho Chehab mutex_lock(&entity->lock);
312ee4a77a3SMauro Carvalho Chehab
313ee4a77a3SMauro Carvalho Chehab if (fse->index || fse->code != format->code) {
314ee4a77a3SMauro Carvalho Chehab ret = -EINVAL;
315ee4a77a3SMauro Carvalho Chehab goto done;
316ee4a77a3SMauro Carvalho Chehab }
317ee4a77a3SMauro Carvalho Chehab
318ee4a77a3SMauro Carvalho Chehab if (fse->pad == 0) {
319ee4a77a3SMauro Carvalho Chehab fse->min_width = min_width;
320ee4a77a3SMauro Carvalho Chehab fse->max_width = max_width;
321ee4a77a3SMauro Carvalho Chehab fse->min_height = min_height;
322ee4a77a3SMauro Carvalho Chehab fse->max_height = max_height;
323ee4a77a3SMauro Carvalho Chehab } else {
324ee4a77a3SMauro Carvalho Chehab /*
325ee4a77a3SMauro Carvalho Chehab * The size on the source pad are fixed and always identical to
326ee4a77a3SMauro Carvalho Chehab * the size on the sink pad.
327ee4a77a3SMauro Carvalho Chehab */
328ee4a77a3SMauro Carvalho Chehab fse->min_width = format->width;
329ee4a77a3SMauro Carvalho Chehab fse->max_width = format->width;
330ee4a77a3SMauro Carvalho Chehab fse->min_height = format->height;
331ee4a77a3SMauro Carvalho Chehab fse->max_height = format->height;
332ee4a77a3SMauro Carvalho Chehab }
333ee4a77a3SMauro Carvalho Chehab
334ee4a77a3SMauro Carvalho Chehab done:
335ee4a77a3SMauro Carvalho Chehab mutex_unlock(&entity->lock);
336ee4a77a3SMauro Carvalho Chehab return ret;
337ee4a77a3SMauro Carvalho Chehab }
338ee4a77a3SMauro Carvalho Chehab
339ee4a77a3SMauro Carvalho Chehab /*
340ee4a77a3SMauro Carvalho Chehab * vsp1_subdev_set_pad_format - Subdev pad set_fmt handler
341ee4a77a3SMauro Carvalho Chehab * @subdev: V4L2 subdevice
342ee4a77a3SMauro Carvalho Chehab * @cfg: V4L2 subdev pad configuration
343ee4a77a3SMauro Carvalho Chehab * @fmt: V4L2 subdev format
344ee4a77a3SMauro Carvalho Chehab * @codes: Array of supported media bus codes
345ee4a77a3SMauro Carvalho Chehab * @ncodes: Number of supported media bus codes
346ee4a77a3SMauro Carvalho Chehab * @min_width: Minimum image width
347ee4a77a3SMauro Carvalho Chehab * @min_height: Minimum image height
348ee4a77a3SMauro Carvalho Chehab * @max_width: Maximum image width
349ee4a77a3SMauro Carvalho Chehab * @max_height: Maximum image height
350ee4a77a3SMauro Carvalho Chehab *
351ee4a77a3SMauro Carvalho Chehab * This function implements the subdev set_fmt pad operation for entities that
352ee4a77a3SMauro Carvalho Chehab * do not support scaling or cropping. It defaults to the first supplied media
353ee4a77a3SMauro Carvalho Chehab * bus code if the requested code isn't supported, clamps the size to the
354ee4a77a3SMauro Carvalho Chehab * supplied minimum and maximum, and propagates the sink pad format to the
355ee4a77a3SMauro Carvalho Chehab * source pad.
356ee4a77a3SMauro Carvalho Chehab */
vsp1_subdev_set_pad_format(struct v4l2_subdev * subdev,struct v4l2_subdev_state * sd_state,struct v4l2_subdev_format * fmt,const unsigned int * codes,unsigned int ncodes,unsigned int min_width,unsigned int min_height,unsigned int max_width,unsigned int max_height)357ee4a77a3SMauro Carvalho Chehab int vsp1_subdev_set_pad_format(struct v4l2_subdev *subdev,
358ee4a77a3SMauro Carvalho Chehab struct v4l2_subdev_state *sd_state,
359ee4a77a3SMauro Carvalho Chehab struct v4l2_subdev_format *fmt,
360ee4a77a3SMauro Carvalho Chehab const unsigned int *codes, unsigned int ncodes,
361ee4a77a3SMauro Carvalho Chehab unsigned int min_width, unsigned int min_height,
362ee4a77a3SMauro Carvalho Chehab unsigned int max_width, unsigned int max_height)
363ee4a77a3SMauro Carvalho Chehab {
364ee4a77a3SMauro Carvalho Chehab struct vsp1_entity *entity = to_vsp1_entity(subdev);
365ee4a77a3SMauro Carvalho Chehab struct v4l2_subdev_state *config;
366ee4a77a3SMauro Carvalho Chehab struct v4l2_mbus_framefmt *format;
367ee4a77a3SMauro Carvalho Chehab struct v4l2_rect *selection;
368ee4a77a3SMauro Carvalho Chehab unsigned int i;
369ee4a77a3SMauro Carvalho Chehab int ret = 0;
370ee4a77a3SMauro Carvalho Chehab
371ee4a77a3SMauro Carvalho Chehab mutex_lock(&entity->lock);
372ee4a77a3SMauro Carvalho Chehab
373ee4a77a3SMauro Carvalho Chehab config = vsp1_entity_get_pad_config(entity, sd_state, fmt->which);
374ee4a77a3SMauro Carvalho Chehab if (!config) {
375ee4a77a3SMauro Carvalho Chehab ret = -EINVAL;
376ee4a77a3SMauro Carvalho Chehab goto done;
377ee4a77a3SMauro Carvalho Chehab }
378ee4a77a3SMauro Carvalho Chehab
379ee4a77a3SMauro Carvalho Chehab format = vsp1_entity_get_pad_format(entity, config, fmt->pad);
380ee4a77a3SMauro Carvalho Chehab
381ee4a77a3SMauro Carvalho Chehab if (fmt->pad == entity->source_pad) {
382ee4a77a3SMauro Carvalho Chehab /* The output format can't be modified. */
383ee4a77a3SMauro Carvalho Chehab fmt->format = *format;
384ee4a77a3SMauro Carvalho Chehab goto done;
385ee4a77a3SMauro Carvalho Chehab }
386ee4a77a3SMauro Carvalho Chehab
387ee4a77a3SMauro Carvalho Chehab /*
388ee4a77a3SMauro Carvalho Chehab * Default to the first media bus code if the requested format is not
389ee4a77a3SMauro Carvalho Chehab * supported.
390ee4a77a3SMauro Carvalho Chehab */
391ee4a77a3SMauro Carvalho Chehab for (i = 0; i < ncodes; ++i) {
392ee4a77a3SMauro Carvalho Chehab if (fmt->format.code == codes[i])
393ee4a77a3SMauro Carvalho Chehab break;
394ee4a77a3SMauro Carvalho Chehab }
395ee4a77a3SMauro Carvalho Chehab
396ee4a77a3SMauro Carvalho Chehab format->code = i < ncodes ? codes[i] : codes[0];
397ee4a77a3SMauro Carvalho Chehab format->width = clamp_t(unsigned int, fmt->format.width,
398ee4a77a3SMauro Carvalho Chehab min_width, max_width);
399ee4a77a3SMauro Carvalho Chehab format->height = clamp_t(unsigned int, fmt->format.height,
400ee4a77a3SMauro Carvalho Chehab min_height, max_height);
401ee4a77a3SMauro Carvalho Chehab format->field = V4L2_FIELD_NONE;
402ee4a77a3SMauro Carvalho Chehab format->colorspace = V4L2_COLORSPACE_SRGB;
403ee4a77a3SMauro Carvalho Chehab
404ee4a77a3SMauro Carvalho Chehab fmt->format = *format;
405ee4a77a3SMauro Carvalho Chehab
406ee4a77a3SMauro Carvalho Chehab /* Propagate the format to the source pad. */
407ee4a77a3SMauro Carvalho Chehab format = vsp1_entity_get_pad_format(entity, config, entity->source_pad);
408ee4a77a3SMauro Carvalho Chehab *format = fmt->format;
409ee4a77a3SMauro Carvalho Chehab
410ee4a77a3SMauro Carvalho Chehab /* Reset the crop and compose rectangles. */
411ee4a77a3SMauro Carvalho Chehab selection = vsp1_entity_get_pad_selection(entity, config, fmt->pad,
412ee4a77a3SMauro Carvalho Chehab V4L2_SEL_TGT_CROP);
413ee4a77a3SMauro Carvalho Chehab selection->left = 0;
414ee4a77a3SMauro Carvalho Chehab selection->top = 0;
415ee4a77a3SMauro Carvalho Chehab selection->width = format->width;
416ee4a77a3SMauro Carvalho Chehab selection->height = format->height;
417ee4a77a3SMauro Carvalho Chehab
418ee4a77a3SMauro Carvalho Chehab selection = vsp1_entity_get_pad_selection(entity, config, fmt->pad,
419ee4a77a3SMauro Carvalho Chehab V4L2_SEL_TGT_COMPOSE);
420ee4a77a3SMauro Carvalho Chehab selection->left = 0;
421ee4a77a3SMauro Carvalho Chehab selection->top = 0;
422ee4a77a3SMauro Carvalho Chehab selection->width = format->width;
423ee4a77a3SMauro Carvalho Chehab selection->height = format->height;
424ee4a77a3SMauro Carvalho Chehab
425ee4a77a3SMauro Carvalho Chehab done:
426ee4a77a3SMauro Carvalho Chehab mutex_unlock(&entity->lock);
427ee4a77a3SMauro Carvalho Chehab return ret;
428ee4a77a3SMauro Carvalho Chehab }
429ee4a77a3SMauro Carvalho Chehab
430ee4a77a3SMauro Carvalho Chehab /* -----------------------------------------------------------------------------
431ee4a77a3SMauro Carvalho Chehab * Media Operations
432ee4a77a3SMauro Carvalho Chehab */
433ee4a77a3SMauro Carvalho Chehab
434ee4a77a3SMauro Carvalho Chehab static inline struct vsp1_entity *
media_entity_to_vsp1_entity(struct media_entity * entity)435ee4a77a3SMauro Carvalho Chehab media_entity_to_vsp1_entity(struct media_entity *entity)
436ee4a77a3SMauro Carvalho Chehab {
437ee4a77a3SMauro Carvalho Chehab return container_of(entity, struct vsp1_entity, subdev.entity);
438ee4a77a3SMauro Carvalho Chehab }
439ee4a77a3SMauro Carvalho Chehab
vsp1_entity_link_setup_source(const struct media_pad * source_pad,const struct media_pad * sink_pad,u32 flags)440ee4a77a3SMauro Carvalho Chehab static int vsp1_entity_link_setup_source(const struct media_pad *source_pad,
441ee4a77a3SMauro Carvalho Chehab const struct media_pad *sink_pad,
442ee4a77a3SMauro Carvalho Chehab u32 flags)
443ee4a77a3SMauro Carvalho Chehab {
444ee4a77a3SMauro Carvalho Chehab struct vsp1_entity *source;
445ee4a77a3SMauro Carvalho Chehab
446ee4a77a3SMauro Carvalho Chehab source = media_entity_to_vsp1_entity(source_pad->entity);
447ee4a77a3SMauro Carvalho Chehab
448ee4a77a3SMauro Carvalho Chehab if (!source->route)
449ee4a77a3SMauro Carvalho Chehab return 0;
450ee4a77a3SMauro Carvalho Chehab
451ee4a77a3SMauro Carvalho Chehab if (flags & MEDIA_LNK_FL_ENABLED) {
452ee4a77a3SMauro Carvalho Chehab struct vsp1_entity *sink
453ee4a77a3SMauro Carvalho Chehab = media_entity_to_vsp1_entity(sink_pad->entity);
454ee4a77a3SMauro Carvalho Chehab
455ee4a77a3SMauro Carvalho Chehab /*
456ee4a77a3SMauro Carvalho Chehab * Fan-out is limited to one for the normal data path plus
457ee4a77a3SMauro Carvalho Chehab * optional HGO and HGT. We ignore the HGO and HGT here.
458ee4a77a3SMauro Carvalho Chehab */
459ee4a77a3SMauro Carvalho Chehab if (sink->type != VSP1_ENTITY_HGO &&
460ee4a77a3SMauro Carvalho Chehab sink->type != VSP1_ENTITY_HGT) {
461ee4a77a3SMauro Carvalho Chehab if (source->sink)
462ee4a77a3SMauro Carvalho Chehab return -EBUSY;
463ee4a77a3SMauro Carvalho Chehab source->sink = sink;
464ee4a77a3SMauro Carvalho Chehab source->sink_pad = sink_pad->index;
465ee4a77a3SMauro Carvalho Chehab }
466ee4a77a3SMauro Carvalho Chehab } else {
467ee4a77a3SMauro Carvalho Chehab source->sink = NULL;
468ee4a77a3SMauro Carvalho Chehab source->sink_pad = 0;
469ee4a77a3SMauro Carvalho Chehab }
470ee4a77a3SMauro Carvalho Chehab
471ee4a77a3SMauro Carvalho Chehab return 0;
472ee4a77a3SMauro Carvalho Chehab }
473ee4a77a3SMauro Carvalho Chehab
vsp1_entity_link_setup_sink(const struct media_pad * source_pad,const struct media_pad * sink_pad,u32 flags)474ee4a77a3SMauro Carvalho Chehab static int vsp1_entity_link_setup_sink(const struct media_pad *source_pad,
475ee4a77a3SMauro Carvalho Chehab const struct media_pad *sink_pad,
476ee4a77a3SMauro Carvalho Chehab u32 flags)
477ee4a77a3SMauro Carvalho Chehab {
478ee4a77a3SMauro Carvalho Chehab struct vsp1_entity *sink;
479ee4a77a3SMauro Carvalho Chehab struct vsp1_entity *source;
480ee4a77a3SMauro Carvalho Chehab
481ee4a77a3SMauro Carvalho Chehab sink = media_entity_to_vsp1_entity(sink_pad->entity);
482ee4a77a3SMauro Carvalho Chehab source = media_entity_to_vsp1_entity(source_pad->entity);
483ee4a77a3SMauro Carvalho Chehab
484ee4a77a3SMauro Carvalho Chehab if (flags & MEDIA_LNK_FL_ENABLED) {
485ee4a77a3SMauro Carvalho Chehab /* Fan-in is limited to one. */
486ee4a77a3SMauro Carvalho Chehab if (sink->sources[sink_pad->index])
487ee4a77a3SMauro Carvalho Chehab return -EBUSY;
488ee4a77a3SMauro Carvalho Chehab
489ee4a77a3SMauro Carvalho Chehab sink->sources[sink_pad->index] = source;
490ee4a77a3SMauro Carvalho Chehab } else {
491ee4a77a3SMauro Carvalho Chehab sink->sources[sink_pad->index] = NULL;
492ee4a77a3SMauro Carvalho Chehab }
493ee4a77a3SMauro Carvalho Chehab
494ee4a77a3SMauro Carvalho Chehab return 0;
495ee4a77a3SMauro Carvalho Chehab }
496ee4a77a3SMauro Carvalho Chehab
vsp1_entity_link_setup(struct media_entity * entity,const struct media_pad * local,const struct media_pad * remote,u32 flags)497ee4a77a3SMauro Carvalho Chehab int vsp1_entity_link_setup(struct media_entity *entity,
498ee4a77a3SMauro Carvalho Chehab const struct media_pad *local,
499ee4a77a3SMauro Carvalho Chehab const struct media_pad *remote, u32 flags)
500ee4a77a3SMauro Carvalho Chehab {
501ee4a77a3SMauro Carvalho Chehab if (local->flags & MEDIA_PAD_FL_SOURCE)
502ee4a77a3SMauro Carvalho Chehab return vsp1_entity_link_setup_source(local, remote, flags);
503ee4a77a3SMauro Carvalho Chehab else
504ee4a77a3SMauro Carvalho Chehab return vsp1_entity_link_setup_sink(remote, local, flags);
505ee4a77a3SMauro Carvalho Chehab }
506ee4a77a3SMauro Carvalho Chehab
507ee4a77a3SMauro Carvalho Chehab /**
508ee4a77a3SMauro Carvalho Chehab * vsp1_entity_remote_pad - Find the pad at the remote end of a link
509ee4a77a3SMauro Carvalho Chehab * @pad: Pad at the local end of the link
510ee4a77a3SMauro Carvalho Chehab *
511ee4a77a3SMauro Carvalho Chehab * Search for a remote pad connected to the given pad by iterating over all
512ee4a77a3SMauro Carvalho Chehab * links originating or terminating at that pad until an enabled link is found.
513ee4a77a3SMauro Carvalho Chehab *
514ee4a77a3SMauro Carvalho Chehab * Our link setup implementation guarantees that the output fan-out will not be
515ee4a77a3SMauro Carvalho Chehab * higher than one for the data pipelines, except for the links to the HGO and
516ee4a77a3SMauro Carvalho Chehab * HGT that can be enabled in addition to a regular data link. When traversing
517ee4a77a3SMauro Carvalho Chehab * outgoing links this function ignores HGO and HGT entities and should thus be
518b2e44430SLaurent Pinchart * used in place of the generic media_pad_remote_pad_first() function to
519b2e44430SLaurent Pinchart * traverse data pipelines.
520ee4a77a3SMauro Carvalho Chehab *
521ee4a77a3SMauro Carvalho Chehab * Return a pointer to the pad at the remote end of the first found enabled
522ee4a77a3SMauro Carvalho Chehab * link, or NULL if no enabled link has been found.
523ee4a77a3SMauro Carvalho Chehab */
vsp1_entity_remote_pad(struct media_pad * pad)524ee4a77a3SMauro Carvalho Chehab struct media_pad *vsp1_entity_remote_pad(struct media_pad *pad)
525ee4a77a3SMauro Carvalho Chehab {
526ee4a77a3SMauro Carvalho Chehab struct media_link *link;
527ee4a77a3SMauro Carvalho Chehab
528ee4a77a3SMauro Carvalho Chehab list_for_each_entry(link, &pad->entity->links, list) {
529ee4a77a3SMauro Carvalho Chehab struct vsp1_entity *entity;
530ee4a77a3SMauro Carvalho Chehab
531ee4a77a3SMauro Carvalho Chehab if (!(link->flags & MEDIA_LNK_FL_ENABLED))
532ee4a77a3SMauro Carvalho Chehab continue;
533ee4a77a3SMauro Carvalho Chehab
534ee4a77a3SMauro Carvalho Chehab /* If we're the sink the source will never be an HGO or HGT. */
535ee4a77a3SMauro Carvalho Chehab if (link->sink == pad)
536ee4a77a3SMauro Carvalho Chehab return link->source;
537ee4a77a3SMauro Carvalho Chehab
538ee4a77a3SMauro Carvalho Chehab if (link->source != pad)
539ee4a77a3SMauro Carvalho Chehab continue;
540ee4a77a3SMauro Carvalho Chehab
541ee4a77a3SMauro Carvalho Chehab /* If the sink isn't a subdevice it can't be an HGO or HGT. */
542ee4a77a3SMauro Carvalho Chehab if (!is_media_entity_v4l2_subdev(link->sink->entity))
543ee4a77a3SMauro Carvalho Chehab return link->sink;
544ee4a77a3SMauro Carvalho Chehab
545ee4a77a3SMauro Carvalho Chehab entity = media_entity_to_vsp1_entity(link->sink->entity);
546ee4a77a3SMauro Carvalho Chehab if (entity->type != VSP1_ENTITY_HGO &&
547ee4a77a3SMauro Carvalho Chehab entity->type != VSP1_ENTITY_HGT)
548ee4a77a3SMauro Carvalho Chehab return link->sink;
549ee4a77a3SMauro Carvalho Chehab }
550ee4a77a3SMauro Carvalho Chehab
551ee4a77a3SMauro Carvalho Chehab return NULL;
552ee4a77a3SMauro Carvalho Chehab
553ee4a77a3SMauro Carvalho Chehab }
554ee4a77a3SMauro Carvalho Chehab
555ee4a77a3SMauro Carvalho Chehab /* -----------------------------------------------------------------------------
556ee4a77a3SMauro Carvalho Chehab * Initialization
557ee4a77a3SMauro Carvalho Chehab */
558ee4a77a3SMauro Carvalho Chehab
559ee4a77a3SMauro Carvalho Chehab #define VSP1_ENTITY_ROUTE(ent) \
560ee4a77a3SMauro Carvalho Chehab { VSP1_ENTITY_##ent, 0, VI6_DPR_##ent##_ROUTE, \
561ee4a77a3SMauro Carvalho Chehab { VI6_DPR_NODE_##ent }, VI6_DPR_NODE_##ent }
562ee4a77a3SMauro Carvalho Chehab
563ee4a77a3SMauro Carvalho Chehab #define VSP1_ENTITY_ROUTE_RPF(idx) \
564ee4a77a3SMauro Carvalho Chehab { VSP1_ENTITY_RPF, idx, VI6_DPR_RPF_ROUTE(idx), \
565ee4a77a3SMauro Carvalho Chehab { 0, }, VI6_DPR_NODE_RPF(idx) }
566ee4a77a3SMauro Carvalho Chehab
567ee4a77a3SMauro Carvalho Chehab #define VSP1_ENTITY_ROUTE_UDS(idx) \
568ee4a77a3SMauro Carvalho Chehab { VSP1_ENTITY_UDS, idx, VI6_DPR_UDS_ROUTE(idx), \
569ee4a77a3SMauro Carvalho Chehab { VI6_DPR_NODE_UDS(idx) }, VI6_DPR_NODE_UDS(idx) }
570ee4a77a3SMauro Carvalho Chehab
571ee4a77a3SMauro Carvalho Chehab #define VSP1_ENTITY_ROUTE_UIF(idx) \
572ee4a77a3SMauro Carvalho Chehab { VSP1_ENTITY_UIF, idx, VI6_DPR_UIF_ROUTE(idx), \
573ee4a77a3SMauro Carvalho Chehab { VI6_DPR_NODE_UIF(idx) }, VI6_DPR_NODE_UIF(idx) }
574ee4a77a3SMauro Carvalho Chehab
575ee4a77a3SMauro Carvalho Chehab #define VSP1_ENTITY_ROUTE_WPF(idx) \
576ee4a77a3SMauro Carvalho Chehab { VSP1_ENTITY_WPF, idx, 0, \
577ee4a77a3SMauro Carvalho Chehab { VI6_DPR_NODE_WPF(idx) }, VI6_DPR_NODE_WPF(idx) }
578ee4a77a3SMauro Carvalho Chehab
579ee4a77a3SMauro Carvalho Chehab static const struct vsp1_route vsp1_routes[] = {
580ee4a77a3SMauro Carvalho Chehab { VSP1_ENTITY_BRS, 0, VI6_DPR_ILV_BRS_ROUTE,
581ee4a77a3SMauro Carvalho Chehab { VI6_DPR_NODE_BRS_IN(0), VI6_DPR_NODE_BRS_IN(1) }, 0 },
582ee4a77a3SMauro Carvalho Chehab { VSP1_ENTITY_BRU, 0, VI6_DPR_BRU_ROUTE,
583ee4a77a3SMauro Carvalho Chehab { VI6_DPR_NODE_BRU_IN(0), VI6_DPR_NODE_BRU_IN(1),
584ee4a77a3SMauro Carvalho Chehab VI6_DPR_NODE_BRU_IN(2), VI6_DPR_NODE_BRU_IN(3),
585ee4a77a3SMauro Carvalho Chehab VI6_DPR_NODE_BRU_IN(4) }, VI6_DPR_NODE_BRU_OUT },
586ee4a77a3SMauro Carvalho Chehab VSP1_ENTITY_ROUTE(CLU),
587ee4a77a3SMauro Carvalho Chehab { VSP1_ENTITY_HGO, 0, 0, { 0, }, 0 },
588ee4a77a3SMauro Carvalho Chehab { VSP1_ENTITY_HGT, 0, 0, { 0, }, 0 },
589ee4a77a3SMauro Carvalho Chehab VSP1_ENTITY_ROUTE(HSI),
590ee4a77a3SMauro Carvalho Chehab VSP1_ENTITY_ROUTE(HST),
591ee4a77a3SMauro Carvalho Chehab { VSP1_ENTITY_LIF, 0, 0, { 0, }, 0 },
592ee4a77a3SMauro Carvalho Chehab { VSP1_ENTITY_LIF, 1, 0, { 0, }, 0 },
593ee4a77a3SMauro Carvalho Chehab VSP1_ENTITY_ROUTE(LUT),
594ee4a77a3SMauro Carvalho Chehab VSP1_ENTITY_ROUTE_RPF(0),
595ee4a77a3SMauro Carvalho Chehab VSP1_ENTITY_ROUTE_RPF(1),
596ee4a77a3SMauro Carvalho Chehab VSP1_ENTITY_ROUTE_RPF(2),
597ee4a77a3SMauro Carvalho Chehab VSP1_ENTITY_ROUTE_RPF(3),
598ee4a77a3SMauro Carvalho Chehab VSP1_ENTITY_ROUTE_RPF(4),
599ee4a77a3SMauro Carvalho Chehab VSP1_ENTITY_ROUTE(SRU),
600ee4a77a3SMauro Carvalho Chehab VSP1_ENTITY_ROUTE_UDS(0),
601ee4a77a3SMauro Carvalho Chehab VSP1_ENTITY_ROUTE_UDS(1),
602ee4a77a3SMauro Carvalho Chehab VSP1_ENTITY_ROUTE_UDS(2),
603ee4a77a3SMauro Carvalho Chehab VSP1_ENTITY_ROUTE_UIF(0), /* Named UIF4 in the documentation */
604ee4a77a3SMauro Carvalho Chehab VSP1_ENTITY_ROUTE_UIF(1), /* Named UIF5 in the documentation */
605ee4a77a3SMauro Carvalho Chehab VSP1_ENTITY_ROUTE_WPF(0),
606ee4a77a3SMauro Carvalho Chehab VSP1_ENTITY_ROUTE_WPF(1),
607ee4a77a3SMauro Carvalho Chehab VSP1_ENTITY_ROUTE_WPF(2),
608ee4a77a3SMauro Carvalho Chehab VSP1_ENTITY_ROUTE_WPF(3),
609ee4a77a3SMauro Carvalho Chehab };
610ee4a77a3SMauro Carvalho Chehab
vsp1_entity_init(struct vsp1_device * vsp1,struct vsp1_entity * entity,const char * name,unsigned int num_pads,const struct v4l2_subdev_ops * ops,u32 function)611ee4a77a3SMauro Carvalho Chehab int vsp1_entity_init(struct vsp1_device *vsp1, struct vsp1_entity *entity,
612ee4a77a3SMauro Carvalho Chehab const char *name, unsigned int num_pads,
613ee4a77a3SMauro Carvalho Chehab const struct v4l2_subdev_ops *ops, u32 function)
614ee4a77a3SMauro Carvalho Chehab {
615ed647ea6STomi Valkeinen static struct lock_class_key key;
616ee4a77a3SMauro Carvalho Chehab struct v4l2_subdev *subdev;
617ee4a77a3SMauro Carvalho Chehab unsigned int i;
618ee4a77a3SMauro Carvalho Chehab int ret;
619ee4a77a3SMauro Carvalho Chehab
620ee4a77a3SMauro Carvalho Chehab for (i = 0; i < ARRAY_SIZE(vsp1_routes); ++i) {
621ee4a77a3SMauro Carvalho Chehab if (vsp1_routes[i].type == entity->type &&
622ee4a77a3SMauro Carvalho Chehab vsp1_routes[i].index == entity->index) {
623ee4a77a3SMauro Carvalho Chehab entity->route = &vsp1_routes[i];
624ee4a77a3SMauro Carvalho Chehab break;
625ee4a77a3SMauro Carvalho Chehab }
626ee4a77a3SMauro Carvalho Chehab }
627ee4a77a3SMauro Carvalho Chehab
628ee4a77a3SMauro Carvalho Chehab if (i == ARRAY_SIZE(vsp1_routes))
629ee4a77a3SMauro Carvalho Chehab return -EINVAL;
630ee4a77a3SMauro Carvalho Chehab
631ee4a77a3SMauro Carvalho Chehab mutex_init(&entity->lock);
632ee4a77a3SMauro Carvalho Chehab
633ee4a77a3SMauro Carvalho Chehab entity->vsp1 = vsp1;
634ee4a77a3SMauro Carvalho Chehab entity->source_pad = num_pads - 1;
635ee4a77a3SMauro Carvalho Chehab
636ee4a77a3SMauro Carvalho Chehab /* Allocate and initialize pads. */
637ee4a77a3SMauro Carvalho Chehab entity->pads = devm_kcalloc(vsp1->dev,
638ee4a77a3SMauro Carvalho Chehab num_pads, sizeof(*entity->pads),
639ee4a77a3SMauro Carvalho Chehab GFP_KERNEL);
640ee4a77a3SMauro Carvalho Chehab if (entity->pads == NULL)
641ee4a77a3SMauro Carvalho Chehab return -ENOMEM;
642ee4a77a3SMauro Carvalho Chehab
643ee4a77a3SMauro Carvalho Chehab for (i = 0; i < num_pads - 1; ++i)
644ee4a77a3SMauro Carvalho Chehab entity->pads[i].flags = MEDIA_PAD_FL_SINK;
645ee4a77a3SMauro Carvalho Chehab
646ee4a77a3SMauro Carvalho Chehab entity->sources = devm_kcalloc(vsp1->dev, max(num_pads - 1, 1U),
647ee4a77a3SMauro Carvalho Chehab sizeof(*entity->sources), GFP_KERNEL);
648ee4a77a3SMauro Carvalho Chehab if (entity->sources == NULL)
649ee4a77a3SMauro Carvalho Chehab return -ENOMEM;
650ee4a77a3SMauro Carvalho Chehab
651ee4a77a3SMauro Carvalho Chehab /* Single-pad entities only have a sink. */
652ee4a77a3SMauro Carvalho Chehab entity->pads[num_pads - 1].flags = num_pads > 1 ? MEDIA_PAD_FL_SOURCE
653ee4a77a3SMauro Carvalho Chehab : MEDIA_PAD_FL_SINK;
654ee4a77a3SMauro Carvalho Chehab
655ee4a77a3SMauro Carvalho Chehab /* Initialize the media entity. */
656ee4a77a3SMauro Carvalho Chehab ret = media_entity_pads_init(&entity->subdev.entity, num_pads,
657ee4a77a3SMauro Carvalho Chehab entity->pads);
658ee4a77a3SMauro Carvalho Chehab if (ret < 0)
659ee4a77a3SMauro Carvalho Chehab return ret;
660ee4a77a3SMauro Carvalho Chehab
661ee4a77a3SMauro Carvalho Chehab /* Initialize the V4L2 subdev. */
662ee4a77a3SMauro Carvalho Chehab subdev = &entity->subdev;
663ee4a77a3SMauro Carvalho Chehab v4l2_subdev_init(subdev, ops);
664ee4a77a3SMauro Carvalho Chehab
665ee4a77a3SMauro Carvalho Chehab subdev->entity.function = function;
666ee4a77a3SMauro Carvalho Chehab subdev->entity.ops = &vsp1->media_ops;
667ee4a77a3SMauro Carvalho Chehab subdev->flags |= V4L2_SUBDEV_FL_HAS_DEVNODE;
668ee4a77a3SMauro Carvalho Chehab
669ee4a77a3SMauro Carvalho Chehab snprintf(subdev->name, sizeof(subdev->name), "%s %s",
670ee4a77a3SMauro Carvalho Chehab dev_name(vsp1->dev), name);
671ee4a77a3SMauro Carvalho Chehab
672ee4a77a3SMauro Carvalho Chehab vsp1_entity_init_cfg(subdev, NULL);
673ee4a77a3SMauro Carvalho Chehab
674ee4a77a3SMauro Carvalho Chehab /*
675ee4a77a3SMauro Carvalho Chehab * Allocate the pad configuration to store formats and selection
676ee4a77a3SMauro Carvalho Chehab * rectangles.
677ee4a77a3SMauro Carvalho Chehab */
67840aaab9dSTomi Valkeinen /*
67940aaab9dSTomi Valkeinen * FIXME: Drop this call, drivers are not supposed to use
68040aaab9dSTomi Valkeinen * __v4l2_subdev_state_alloc().
68140aaab9dSTomi Valkeinen */
682ed647ea6STomi Valkeinen entity->config = __v4l2_subdev_state_alloc(&entity->subdev,
683ed647ea6STomi Valkeinen "vsp1:config->lock", &key);
684ee4a77a3SMauro Carvalho Chehab if (IS_ERR(entity->config)) {
685ee4a77a3SMauro Carvalho Chehab media_entity_cleanup(&entity->subdev.entity);
686ee4a77a3SMauro Carvalho Chehab return PTR_ERR(entity->config);
687ee4a77a3SMauro Carvalho Chehab }
688ee4a77a3SMauro Carvalho Chehab
689ee4a77a3SMauro Carvalho Chehab return 0;
690ee4a77a3SMauro Carvalho Chehab }
691ee4a77a3SMauro Carvalho Chehab
vsp1_entity_destroy(struct vsp1_entity * entity)692ee4a77a3SMauro Carvalho Chehab void vsp1_entity_destroy(struct vsp1_entity *entity)
693ee4a77a3SMauro Carvalho Chehab {
694ee4a77a3SMauro Carvalho Chehab if (entity->ops && entity->ops->destroy)
695ee4a77a3SMauro Carvalho Chehab entity->ops->destroy(entity);
696ee4a77a3SMauro Carvalho Chehab if (entity->subdev.ctrl_handler)
697ee4a77a3SMauro Carvalho Chehab v4l2_ctrl_handler_free(entity->subdev.ctrl_handler);
69840aaab9dSTomi Valkeinen __v4l2_subdev_state_free(entity->config);
699ee4a77a3SMauro Carvalho Chehab media_entity_cleanup(&entity->subdev.entity);
700ee4a77a3SMauro Carvalho Chehab }
701