1 // SPDX-License-Identifier: GPL-2.0+
3  * vsp1_uif.c  --  R-Car VSP1 User Logic Interface
5  * Copyright (C) 2017-2018 Laurent Pinchart
14 #include <media/media-entity.h>
15 #include <media/v4l2-subdev.h>
25 /* -----------------------------------------------------------------------------
31 	return vsp1_read(uif->entity.vsp1,  in vsp1_uif_read()
32 			 uif->entity.index * VI6_UIF_OFFSET + reg);  in vsp1_uif_read()
38 	vsp1_dl_body_write(dlb, reg + uif->entity.index * VI6_UIF_OFFSET, data);  in vsp1_uif_write()
46 /* -----------------------------------------------------------------------------
93 	if (sel->pad != UIF_PAD_SINK)  in uif_get_selection()
94 		return -EINVAL;  in uif_get_selection()
96 	mutex_lock(&uif->entity.lock);  in uif_get_selection()
98 	state = vsp1_entity_get_state(&uif->entity, sd_state, sel->which);  in uif_get_selection()
100 		ret = -EINVAL;  in uif_get_selection()
104 	switch (sel->target) {  in uif_get_selection()
108 		sel->r.left = 0;  in uif_get_selection()
109 		sel->r.top = 0;  in uif_get_selection()
110 		sel->r.width = format->width;  in uif_get_selection()
111 		sel->r.height = format->height;  in uif_get_selection()
115 		sel->r = *v4l2_subdev_state_get_crop(state, sel->pad);  in uif_get_selection()
119 		ret = -EINVAL;  in uif_get_selection()
124 	mutex_unlock(&uif->entity.lock);  in uif_get_selection()
138 	if (sel->pad != UIF_PAD_SINK ||  in uif_set_selection()
139 	    sel->target != V4L2_SEL_TGT_CROP)  in uif_set_selection()
140 		return -EINVAL;  in uif_set_selection()
142 	mutex_lock(&uif->entity.lock);  in uif_set_selection()
144 	state = vsp1_entity_get_state(&uif->entity, sd_state, sel->which);  in uif_set_selection()
146 		ret = -EINVAL;  in uif_set_selection()
153 	sel->r.left = clamp_t(unsigned int, sel->r.left, 0, format->width - 1);  in uif_set_selection()
154 	sel->r.top = clamp_t(unsigned int, sel->r.top, 0, format->height - 1);  in uif_set_selection()
155 	sel->r.width = clamp_t(unsigned int, sel->r.width, UIF_MIN_SIZE,  in uif_set_selection()
156 			       format->width - sel->r.left);  in uif_set_selection()
157 	sel->r.height = clamp_t(unsigned int, sel->r.height, UIF_MIN_SIZE,  in uif_set_selection()
158 				format->height - sel->r.top);  in uif_set_selection()
161 	selection = v4l2_subdev_state_get_crop(state, sel->pad);  in uif_set_selection()
162 	*selection = sel->r;  in uif_set_selection()
165 	mutex_unlock(&uif->entity.lock);  in uif_set_selection()
169 /* -----------------------------------------------------------------------------
186 /* -----------------------------------------------------------------------------
196 	struct vsp1_uif *uif = to_uif(&entity->subdev);  in uif_configure_stream()
198 	unsigned int left;  in uif_configure_stream()  local
206 	left = crop->left;  in uif_configure_stream()
207 	width = crop->width;  in uif_configure_stream()
209 	/* On M3-W the horizontal coordinates are twice the register value. */  in uif_configure_stream()
210 	if (uif->m3w_quirk) {  in uif_configure_stream()
211 		left /= 2;  in uif_configure_stream()
215 	vsp1_uif_write(uif, dlb, VI6_UIF_DISCOM_DOCMSPXR, left);  in uif_configure_stream()
216 	vsp1_uif_write(uif, dlb, VI6_UIF_DISCOM_DOCMSPYR, crop->top);  in uif_configure_stream()
218 	vsp1_uif_write(uif, dlb, VI6_UIF_DISCOM_DOCMSZYR, crop->height);  in uif_configure_stream()
228 /* -----------------------------------------------------------------------------
243 	uif = devm_kzalloc(vsp1->dev, sizeof(*uif), GFP_KERNEL);  in vsp1_uif_create()
245 		return ERR_PTR(-ENOMEM);  in vsp1_uif_create()
248 		uif->m3w_quirk = true;  in vsp1_uif_create()
250 	uif->entity.ops = &uif_entity_ops;  in vsp1_uif_create()
251 	uif->entity.type = VSP1_ENTITY_UIF;  in vsp1_uif_create()
252 	uif->entity.index = index;  in vsp1_uif_create()
256 	ret = vsp1_entity_init(vsp1, &uif->entity, name, 2, &uif_ops,  in vsp1_uif_create()