diff options
Diffstat (limited to 'drivers/staging/media/omap4iss/iss_ipipe.h')
| -rw-r--r-- | drivers/staging/media/omap4iss/iss_ipipe.h | 67 |
1 files changed, 67 insertions, 0 deletions
diff --git a/drivers/staging/media/omap4iss/iss_ipipe.h b/drivers/staging/media/omap4iss/iss_ipipe.h new file mode 100644 index 000000000000..c22d9041f2a5 --- /dev/null +++ b/drivers/staging/media/omap4iss/iss_ipipe.h @@ -0,0 +1,67 @@ +/* + * TI OMAP4 ISS V4L2 Driver - ISP IPIPE module + * + * Copyright (C) 2012 Texas Instruments, Inc. + * + * Author: Sergio Aguirre <sergio.a.aguirre@gmail.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + */ + +#ifndef OMAP4_ISS_IPIPE_H +#define OMAP4_ISS_IPIPE_H + +#include "iss_video.h" + +enum ipipe_input_entity { + IPIPE_INPUT_NONE, + IPIPE_INPUT_IPIPEIF, +}; + +#define IPIPE_OUTPUT_VP (1 << 0) + +/* Sink and source IPIPE pads */ +#define IPIPE_PAD_SINK 0 +#define IPIPE_PAD_SOURCE_VP 1 +#define IPIPE_PADS_NUM 2 + +/* + * struct iss_ipipe_device - Structure for the IPIPE module to store its own + * information + * @subdev: V4L2 subdevice + * @pads: Sink and source media entity pads + * @formats: Active video formats + * @input: Active input + * @output: Active outputs + * @error: A hardware error occurred during capture + * @state: Streaming state + * @wait: Wait queue used to stop the module + * @stopping: Stopping state + */ +struct iss_ipipe_device { + struct v4l2_subdev subdev; + struct media_pad pads[IPIPE_PADS_NUM]; + struct v4l2_mbus_framefmt formats[IPIPE_PADS_NUM]; + + enum ipipe_input_entity input; + unsigned int output; + unsigned int error; + + enum iss_pipeline_stream_state state; + wait_queue_head_t wait; + atomic_t stopping; +}; + +struct iss_device; + +int omap4iss_ipipe_register_entities(struct iss_ipipe_device *ipipe, + struct v4l2_device *vdev); +void omap4iss_ipipe_unregister_entities(struct iss_ipipe_device *ipipe); + +int omap4iss_ipipe_init(struct iss_device *iss); +void omap4iss_ipipe_cleanup(struct iss_device *iss); + +#endif /* OMAP4_ISS_IPIPE_H */ |