diff options
Diffstat (limited to 'drivers/media/pci/mgb4/mgb4_io.h')
-rw-r--r-- | drivers/media/pci/mgb4/mgb4_io.h | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/drivers/media/pci/mgb4/mgb4_io.h b/drivers/media/pci/mgb4/mgb4_io.h new file mode 100644 index 0000000000..8698db1be4 --- /dev/null +++ b/drivers/media/pci/mgb4/mgb4_io.h @@ -0,0 +1,33 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * Copyright (C) 2021-2022 Digiteq Automotive + * author: Martin Tuma <martin.tuma@digiteqautomotive.com> + */ + +#ifndef __MGB4_IO_H__ +#define __MGB4_IO_H__ + +#include <media/v4l2-dev.h> + +#define MGB4_DEFAULT_WIDTH 1280 +#define MGB4_DEFAULT_HEIGHT 640 +#define MGB4_DEFAULT_PERIOD (125000000 / 60) + +/* Register access error indication */ +#define MGB4_ERR_NO_REG 0xFFFFFFFE +/* Frame buffer addresses greater than 0xFFFFFFFA indicate HW errors */ +#define MGB4_ERR_QUEUE_TIMEOUT 0xFFFFFFFD +#define MGB4_ERR_QUEUE_EMPTY 0xFFFFFFFC +#define MGB4_ERR_QUEUE_FULL 0xFFFFFFFB + +struct mgb4_frame_buffer { + struct vb2_v4l2_buffer vb; + struct list_head list; +}; + +static inline struct mgb4_frame_buffer *to_frame_buffer(struct vb2_v4l2_buffer *vbuf) +{ + return container_of(vbuf, struct mgb4_frame_buffer, vb); +} + +#endif |