diff options
author | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2015-08-05 17:04:01 -0300 |
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committer | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2015-08-05 17:04:01 -0300 |
commit | 57f0f512b273f60d52568b8c6b77e17f5636edc0 (patch) | |
tree | 5e910f0e82173f4ef4f51111366a3f1299037a7b /drivers/staging/media/omap4iss/iss_resizer.h |
Initial import
Diffstat (limited to 'drivers/staging/media/omap4iss/iss_resizer.h')
-rw-r--r-- | drivers/staging/media/omap4iss/iss_resizer.h | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/drivers/staging/media/omap4iss/iss_resizer.h b/drivers/staging/media/omap4iss/iss_resizer.h new file mode 100644 index 000000000..3727498b0 --- /dev/null +++ b/drivers/staging/media/omap4iss/iss_resizer.h @@ -0,0 +1,75 @@ +/* + * TI OMAP4 ISS V4L2 Driver - ISP RESIZER 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_RESIZER_H +#define OMAP4_ISS_RESIZER_H + +#include "iss_video.h" + +enum resizer_input_entity { + RESIZER_INPUT_NONE, + RESIZER_INPUT_IPIPE, + RESIZER_INPUT_IPIPEIF +}; + +#define RESIZER_OUTPUT_MEMORY (1 << 0) + +/* Sink and source RESIZER pads */ +#define RESIZER_PAD_SINK 0 +#define RESIZER_PAD_SOURCE_MEM 1 +#define RESIZER_PADS_NUM 2 + +/* + * struct iss_resizer_device - Structure for the RESIZER 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 + * @video_out: Output video node + * @error: A hardware error occurred during capture + * @state: Streaming state + * @wait: Wait queue used to stop the module + * @stopping: Stopping state + */ +struct iss_resizer_device { + struct v4l2_subdev subdev; + struct media_pad pads[RESIZER_PADS_NUM]; + struct v4l2_mbus_framefmt formats[RESIZER_PADS_NUM]; + + enum resizer_input_entity input; + unsigned int output; + struct iss_video video_out; + unsigned int error; + + enum iss_pipeline_stream_state state; + wait_queue_head_t wait; + atomic_t stopping; +}; + +struct iss_device; + +int omap4iss_resizer_init(struct iss_device *iss); +void omap4iss_resizer_cleanup(struct iss_device *iss); +int omap4iss_resizer_register_entities(struct iss_resizer_device *resizer, + struct v4l2_device *vdev); +void omap4iss_resizer_unregister_entities(struct iss_resizer_device *resizer); + +int omap4iss_resizer_busy(struct iss_resizer_device *resizer); +void omap4iss_resizer_isr(struct iss_resizer_device *resizer, u32 events); +void omap4iss_resizer_restore_context(struct iss_device *iss); +void omap4iss_resizer_max_rate(struct iss_resizer_device *resizer, + unsigned int *max_rate); + +#endif /* OMAP4_ISS_RESIZER_H */ |