diff options
Diffstat (limited to 'drivers/media/platform/renesas/vsp1/vsp1_entity.c')
| -rw-r--r-- | drivers/media/platform/renesas/vsp1/vsp1_entity.c | 138 |
1 files changed, 66 insertions, 72 deletions
diff --git a/drivers/media/platform/renesas/vsp1/vsp1_entity.c b/drivers/media/platform/renesas/vsp1/vsp1_entity.c index c31f05a80bb5..0a5a7f9cc870 100644 --- a/drivers/media/platform/renesas/vsp1/vsp1_entity.c +++ b/drivers/media/platform/renesas/vsp1/vsp1_entity.c @@ -101,27 +101,26 @@ void vsp1_entity_configure_partition(struct vsp1_entity *entity, */ /** - * vsp1_entity_get_pad_config - Get the pad configuration for an entity + * vsp1_entity_get_state - Get the subdev state for an entity * @entity: the entity * @sd_state: the TRY state - * @which: configuration selector (ACTIVE or TRY) + * @which: state selector (ACTIVE or TRY) * * When called with which set to V4L2_SUBDEV_FORMAT_ACTIVE the caller must hold * the entity lock to access the returned configuration. * - * Return the pad configuration requested by the which argument. The TRY - * configuration is passed explicitly to the function through the cfg argument - * and simply returned when requested. The ACTIVE configuration comes from the - * entity structure. + * Return the subdev state requested by the which argument. The TRY state is + * passed explicitly to the function through the sd_state argument and simply + * returned when requested. The ACTIVE state comes from the entity structure. */ 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) +vsp1_entity_get_state(struct vsp1_entity *entity, + struct v4l2_subdev_state *sd_state, + enum v4l2_subdev_format_whence which) { switch (which) { case V4L2_SUBDEV_FORMAT_ACTIVE: - return entity->config; + return entity->state; case V4L2_SUBDEV_FORMAT_TRY: default: return sd_state; @@ -142,7 +141,7 @@ vsp1_entity_get_pad_format(struct vsp1_entity *entity, struct v4l2_subdev_state *sd_state, unsigned int pad) { - return v4l2_subdev_get_try_format(&entity->subdev, sd_state, pad); + return v4l2_subdev_state_get_format(sd_state, pad); } /** @@ -163,46 +162,18 @@ vsp1_entity_get_pad_selection(struct vsp1_entity *entity, { switch (target) { case V4L2_SEL_TGT_COMPOSE: - return v4l2_subdev_get_try_compose(&entity->subdev, sd_state, - pad); + return v4l2_subdev_state_get_compose(sd_state, pad); case V4L2_SEL_TGT_CROP: - return v4l2_subdev_get_try_crop(&entity->subdev, sd_state, - pad); + return v4l2_subdev_state_get_crop(sd_state, pad); default: return NULL; } } /* - * vsp1_entity_init_cfg - Initialize formats on all pads - * @subdev: V4L2 subdevice - * @cfg: V4L2 subdev pad configuration - * - * Initialize all pad formats with default values in the given pad config. This - * function can be used as a handler for the subdev pad::init_cfg operation. - */ -int vsp1_entity_init_cfg(struct v4l2_subdev *subdev, - struct v4l2_subdev_state *sd_state) -{ - unsigned int pad; - - for (pad = 0; pad < subdev->entity.num_pads - 1; ++pad) { - struct v4l2_subdev_format format = { - .pad = pad, - .which = sd_state ? V4L2_SUBDEV_FORMAT_TRY - : V4L2_SUBDEV_FORMAT_ACTIVE, - }; - - v4l2_subdev_call(subdev, pad, set_fmt, sd_state, &format); - } - - return 0; -} - -/* * vsp1_subdev_get_pad_format - Subdev pad get_fmt handler * @subdev: V4L2 subdevice - * @cfg: V4L2 subdev pad configuration + * @sd_state: V4L2 subdev state * @fmt: V4L2 subdev format * * This function implements the subdev get_fmt pad operation. It can be used as @@ -213,14 +184,14 @@ int vsp1_subdev_get_pad_format(struct v4l2_subdev *subdev, struct v4l2_subdev_format *fmt) { struct vsp1_entity *entity = to_vsp1_entity(subdev); - struct v4l2_subdev_state *config; + struct v4l2_subdev_state *state; - config = vsp1_entity_get_pad_config(entity, sd_state, fmt->which); - if (!config) + state = vsp1_entity_get_state(entity, sd_state, fmt->which); + if (!state) return -EINVAL; mutex_lock(&entity->lock); - fmt->format = *vsp1_entity_get_pad_format(entity, config, fmt->pad); + fmt->format = *vsp1_entity_get_pad_format(entity, state, fmt->pad); mutex_unlock(&entity->lock); return 0; @@ -229,7 +200,7 @@ int vsp1_subdev_get_pad_format(struct v4l2_subdev *subdev, /* * vsp1_subdev_enum_mbus_code - Subdev pad enum_mbus_code handler * @subdev: V4L2 subdevice - * @cfg: V4L2 subdev pad configuration + * @sd_state: V4L2 subdev state * @code: Media bus code enumeration * @codes: Array of supported media bus codes * @ncodes: Number of supported media bus codes @@ -252,7 +223,7 @@ int vsp1_subdev_enum_mbus_code(struct v4l2_subdev *subdev, code->code = codes[code->index]; } else { - struct v4l2_subdev_state *config; + struct v4l2_subdev_state *state; struct v4l2_mbus_framefmt *format; /* @@ -262,13 +233,12 @@ int vsp1_subdev_enum_mbus_code(struct v4l2_subdev *subdev, if (code->index) return -EINVAL; - config = vsp1_entity_get_pad_config(entity, sd_state, - code->which); - if (!config) + state = vsp1_entity_get_state(entity, sd_state, code->which); + if (!state) return -EINVAL; mutex_lock(&entity->lock); - format = vsp1_entity_get_pad_format(entity, config, 0); + format = vsp1_entity_get_pad_format(entity, state, 0); code->code = format->code; mutex_unlock(&entity->lock); } @@ -279,7 +249,7 @@ int vsp1_subdev_enum_mbus_code(struct v4l2_subdev *subdev, /* * vsp1_subdev_enum_frame_size - Subdev pad enum_frame_size handler * @subdev: V4L2 subdevice - * @cfg: V4L2 subdev pad configuration + * @sd_state: V4L2 subdev state * @fse: Frame size enumeration * @min_width: Minimum image width * @min_height: Minimum image height @@ -298,15 +268,15 @@ int vsp1_subdev_enum_frame_size(struct v4l2_subdev *subdev, unsigned int max_width, unsigned int max_height) { struct vsp1_entity *entity = to_vsp1_entity(subdev); - struct v4l2_subdev_state *config; + struct v4l2_subdev_state *state; struct v4l2_mbus_framefmt *format; int ret = 0; - config = vsp1_entity_get_pad_config(entity, sd_state, fse->which); - if (!config) + state = vsp1_entity_get_state(entity, sd_state, fse->which); + if (!state) return -EINVAL; - format = vsp1_entity_get_pad_format(entity, config, fse->pad); + format = vsp1_entity_get_pad_format(entity, state, fse->pad); mutex_lock(&entity->lock); @@ -339,7 +309,7 @@ done: /* * vsp1_subdev_set_pad_format - Subdev pad set_fmt handler * @subdev: V4L2 subdevice - * @cfg: V4L2 subdev pad configuration + * @sd_state: V4L2 subdev state * @fmt: V4L2 subdev format * @codes: Array of supported media bus codes * @ncodes: Number of supported media bus codes @@ -362,7 +332,7 @@ int vsp1_subdev_set_pad_format(struct v4l2_subdev *subdev, unsigned int max_width, unsigned int max_height) { struct vsp1_entity *entity = to_vsp1_entity(subdev); - struct v4l2_subdev_state *config; + struct v4l2_subdev_state *state; struct v4l2_mbus_framefmt *format; struct v4l2_rect *selection; unsigned int i; @@ -370,13 +340,13 @@ int vsp1_subdev_set_pad_format(struct v4l2_subdev *subdev, mutex_lock(&entity->lock); - config = vsp1_entity_get_pad_config(entity, sd_state, fmt->which); - if (!config) { + state = vsp1_entity_get_state(entity, sd_state, fmt->which); + if (!state) { ret = -EINVAL; goto done; } - format = vsp1_entity_get_pad_format(entity, config, fmt->pad); + format = vsp1_entity_get_pad_format(entity, state, fmt->pad); if (fmt->pad == entity->source_pad) { /* The output format can't be modified. */ @@ -404,18 +374,18 @@ int vsp1_subdev_set_pad_format(struct v4l2_subdev *subdev, fmt->format = *format; /* Propagate the format to the source pad. */ - format = vsp1_entity_get_pad_format(entity, config, entity->source_pad); + format = vsp1_entity_get_pad_format(entity, state, entity->source_pad); *format = fmt->format; /* Reset the crop and compose rectangles. */ - selection = vsp1_entity_get_pad_selection(entity, config, fmt->pad, + selection = vsp1_entity_get_pad_selection(entity, state, fmt->pad, V4L2_SEL_TGT_CROP); selection->left = 0; selection->top = 0; selection->width = format->width; selection->height = format->height; - selection = vsp1_entity_get_pad_selection(entity, config, fmt->pad, + selection = vsp1_entity_get_pad_selection(entity, state, fmt->pad, V4L2_SEL_TGT_COMPOSE); selection->left = 0; selection->top = 0; @@ -427,6 +397,29 @@ done: return ret; } +static int vsp1_entity_init_state(struct v4l2_subdev *subdev, + struct v4l2_subdev_state *sd_state) +{ + unsigned int pad; + + /* Initialize all pad formats with default values. */ + for (pad = 0; pad < subdev->entity.num_pads - 1; ++pad) { + struct v4l2_subdev_format format = { + .pad = pad, + .which = sd_state ? V4L2_SUBDEV_FORMAT_TRY + : V4L2_SUBDEV_FORMAT_ACTIVE, + }; + + v4l2_subdev_call(subdev, pad, set_fmt, sd_state, &format); + } + + return 0; +} + +static const struct v4l2_subdev_internal_ops vsp1_entity_internal_ops = { + .init_state = vsp1_entity_init_state, +}; + /* ----------------------------------------------------------------------------- * Media Operations */ @@ -661,6 +654,7 @@ int vsp1_entity_init(struct vsp1_device *vsp1, struct vsp1_entity *entity, /* Initialize the V4L2 subdev. */ subdev = &entity->subdev; v4l2_subdev_init(subdev, ops); + subdev->internal_ops = &vsp1_entity_internal_ops; subdev->entity.function = function; subdev->entity.ops = &vsp1->media_ops; @@ -669,21 +663,21 @@ int vsp1_entity_init(struct vsp1_device *vsp1, struct vsp1_entity *entity, snprintf(subdev->name, sizeof(subdev->name), "%s %s", dev_name(vsp1->dev), name); - vsp1_entity_init_cfg(subdev, NULL); + vsp1_entity_init_state(subdev, NULL); /* - * Allocate the pad configuration to store formats and selection + * Allocate the subdev state to store formats and selection * rectangles. */ /* * FIXME: Drop this call, drivers are not supposed to use * __v4l2_subdev_state_alloc(). */ - entity->config = __v4l2_subdev_state_alloc(&entity->subdev, - "vsp1:config->lock", &key); - if (IS_ERR(entity->config)) { + entity->state = __v4l2_subdev_state_alloc(&entity->subdev, + "vsp1:state->lock", &key); + if (IS_ERR(entity->state)) { media_entity_cleanup(&entity->subdev.entity); - return PTR_ERR(entity->config); + return PTR_ERR(entity->state); } return 0; @@ -695,6 +689,6 @@ void vsp1_entity_destroy(struct vsp1_entity *entity) entity->ops->destroy(entity); if (entity->subdev.ctrl_handler) v4l2_ctrl_handler_free(entity->subdev.ctrl_handler); - __v4l2_subdev_state_free(entity->config); + __v4l2_subdev_state_free(entity->state); media_entity_cleanup(&entity->subdev.entity); } |