diff options
| author | Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com> | 2015-11-08 20:06:57 -0200 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@osg.samsung.com> | 2016-04-13 17:34:44 -0300 |
| commit | c2dd2513ea7aafe5cca2460aecaf83cb46128faf (patch) | |
| tree | 2f182174bda7935ddaccbfe668040fed3a9d7fb3 /drivers/media/platform/vsp1/vsp1_dl.h | |
| parent | f9df34f8cd0da731f65728480fe2e669391adbd0 (diff) | |
| download | linux-c2dd2513ea7aafe5cca2460aecaf83cb46128faf.tar.bz2 | |
[media] v4l: vsp1: Split display list manager from display list
This clarifies the API and prepares display list support for being used
to implement the request API.
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
Diffstat (limited to 'drivers/media/platform/vsp1/vsp1_dl.h')
| -rw-r--r-- | drivers/media/platform/vsp1/vsp1_dl.h | 40 |
1 files changed, 30 insertions, 10 deletions
diff --git a/drivers/media/platform/vsp1/vsp1_dl.h b/drivers/media/platform/vsp1/vsp1_dl.h index f4116ca59c28..caa6a85f6825 100644 --- a/drivers/media/platform/vsp1/vsp1_dl.h +++ b/drivers/media/platform/vsp1/vsp1_dl.h @@ -16,19 +16,39 @@ #include <linux/types.h> struct vsp1_device; -struct vsp1_dl; +struct vsp1_dl_list; -struct vsp1_dl *vsp1_dl_create(struct vsp1_device *vsp1); -void vsp1_dl_destroy(struct vsp1_dl *dl); +/** + * struct vsp1_dl_manager - Display List manager + * @vsp1: the VSP1 device + * @lock: protects the active, queued and pending lists + * @free: array of all free display lists + * @active: list currently being processed (loaded) by hardware + * @queued: list queued to the hardware (written to the DL registers) + * @pending: list waiting to be queued to the hardware + */ +struct vsp1_dl_manager { + struct vsp1_device *vsp1; + + spinlock_t lock; + struct list_head free; + struct vsp1_dl_list *active; + struct vsp1_dl_list *queued; + struct vsp1_dl_list *pending; +}; -void vsp1_dl_setup(struct vsp1_device *vsp1); +void vsp1_dlm_setup(struct vsp1_device *vsp1); -void vsp1_dl_reset(struct vsp1_dl *dl); -void vsp1_dl_begin(struct vsp1_dl *dl); -void vsp1_dl_add(struct vsp1_dl *dl, u32 reg, u32 data); -void vsp1_dl_commit(struct vsp1_dl *dl); +int vsp1_dlm_init(struct vsp1_device *vsp1, struct vsp1_dl_manager *dlm, + unsigned int prealloc); +void vsp1_dlm_cleanup(struct vsp1_dl_manager *dlm); +void vsp1_dlm_reset(struct vsp1_dl_manager *dlm); +void vsp1_dlm_irq_display_start(struct vsp1_dl_manager *dlm); +void vsp1_dlm_irq_frame_end(struct vsp1_dl_manager *dlm); -void vsp1_dl_irq_display_start(struct vsp1_dl *dl); -void vsp1_dl_irq_frame_end(struct vsp1_dl *dl); +struct vsp1_dl_list *vsp1_dl_list_get(struct vsp1_dl_manager *dlm); +void vsp1_dl_list_put(struct vsp1_dl_list *dl); +void vsp1_dl_list_write(struct vsp1_dl_list *dl, u32 reg, u32 data); +void vsp1_dl_list_commit(struct vsp1_dl_list *dl); #endif /* __VSP1_DL_H__ */ |