Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / drivers / media / platform / omap3isp / isppreview.h

diff --git a/kernel/drivers/media/platform/omap3isp/isppreview.h b/kernel/drivers/media/platform/omap3isp/isppreview.h
new file mode 100644 (file)
index 0000000..16fdc03
--- /dev/null
+++ b/kernel/drivers/media/platform/omap3isp/isppreview.h
@@ -0,0 +1,164 @@
+/*
+ * isppreview.h
+ *
+ * TI OMAP3 ISP - Preview module
+ *
+ * Copyright (C) 2010 Nokia Corporation
+ * Copyright (C) 2009 Texas Instruments, Inc.
+ *
+ * Contacts: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
+ *          Sakari Ailus <sakari.ailus@iki.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#ifndef OMAP3_ISP_PREVIEW_H
+#define OMAP3_ISP_PREVIEW_H
+
+#include <linux/omap3isp.h>
+#include <linux/types.h>
+#include <media/v4l2-ctrls.h>
+
+#include "ispvideo.h"
+
+#define ISPPRV_BRIGHT_STEP             0x1
+#define ISPPRV_BRIGHT_DEF              0x0
+#define ISPPRV_BRIGHT_LOW              0x0
+#define ISPPRV_BRIGHT_HIGH             0xFF
+#define ISPPRV_BRIGHT_UNITS            0x1
+
+#define ISPPRV_CONTRAST_STEP           0x1
+#define ISPPRV_CONTRAST_DEF            0x10
+#define ISPPRV_CONTRAST_LOW            0x0
+#define ISPPRV_CONTRAST_HIGH           0xFF
+#define ISPPRV_CONTRAST_UNITS          0x1
+
+/* Additional features not listed in linux/omap3isp.h */
+#define OMAP3ISP_PREV_CONTRAST         (1 << 17)
+#define OMAP3ISP_PREV_BRIGHTNESS       (1 << 18)
+#define OMAP3ISP_PREV_FEATURES_END     (1 << 19)
+
+enum preview_input_entity {
+       PREVIEW_INPUT_NONE,
+       PREVIEW_INPUT_CCDC,
+       PREVIEW_INPUT_MEMORY,
+};
+
+#define PREVIEW_OUTPUT_RESIZER         (1 << 1)
+#define PREVIEW_OUTPUT_MEMORY          (1 << 2)
+
+/* Configure byte layout of YUV image */
+enum preview_ycpos_mode {
+       YCPOS_YCrYCb = 0,
+       YCPOS_YCbYCr = 1,
+       YCPOS_CbYCrY = 2,
+       YCPOS_CrYCbY = 3
+};
+
+/*
+ * struct prev_params - Structure for all configuration
+ * @busy: Bitmask of busy parameters (being updated or used)
+ * @update: Bitmask of the parameters to be updated
+ * @features: Set of features enabled.
+ * @cfa: CFA coefficients.
+ * @csup: Chroma suppression coefficients.
+ * @luma: Luma enhancement coefficients.
+ * @nf: Noise filter coefficients.
+ * @dcor: Noise filter coefficients.
+ * @gamma: Gamma coefficients.
+ * @wbal: White Balance parameters.
+ * @blkadj: Black adjustment parameters.
+ * @rgb2rgb: RGB blending parameters.
+ * @csc: Color space conversion (RGB to YCbCr) parameters.
+ * @hmed: Horizontal median filter.
+ * @yclimit: YC limits parameters.
+ * @contrast: Contrast.
+ * @brightness: Brightness.
+ */
+struct prev_params {
+       u32 busy;
+       u32 update;
+       u32 features;
+       struct omap3isp_prev_cfa cfa;
+       struct omap3isp_prev_csup csup;
+       struct omap3isp_prev_luma luma;
+       struct omap3isp_prev_nf nf;
+       struct omap3isp_prev_dcor dcor;
+       struct omap3isp_prev_gtables gamma;
+       struct omap3isp_prev_wbal wbal;
+       struct omap3isp_prev_blkadj blkadj;
+       struct omap3isp_prev_rgbtorgb rgb2rgb;
+       struct omap3isp_prev_csc csc;
+       struct omap3isp_prev_hmed hmed;
+       struct omap3isp_prev_yclimit yclimit;
+       u8 contrast;
+       u8 brightness;
+};
+
+/* Sink and source previewer pads */
+#define PREV_PAD_SINK                  0
+#define PREV_PAD_SOURCE                        1
+#define PREV_PADS_NUM                  2
+
+/*
+ * struct isp_prev_device - Structure for storing ISP Preview module information
+ * @subdev: V4L2 subdevice
+ * @pads: Media entity pads
+ * @formats: Active formats at the subdev pad
+ * @crop: Active crop rectangle
+ * @input: Module currently connected to the input pad
+ * @output: Bitmask of the active output
+ * @video_in: Input video entity
+ * @video_out: Output video entity
+ * @params.params : Active and shadow parameters sets
+ * @params.active: Bitmask of parameters active in set 0
+ * @params.lock: Parameters lock, protects params.active and params.shadow
+ * @underrun: Whether the preview entity has queued buffers on the output
+ * @state: Current preview pipeline state
+ *
+ * This structure is used to store the OMAP ISP Preview module Information.
+ */
+struct isp_prev_device {
+       struct v4l2_subdev subdev;
+       struct media_pad pads[PREV_PADS_NUM];
+       struct v4l2_mbus_framefmt formats[PREV_PADS_NUM];
+       struct v4l2_rect crop;
+
+       struct v4l2_ctrl_handler ctrls;
+
+       enum preview_input_entity input;
+       unsigned int output;
+       struct isp_video video_in;
+       struct isp_video video_out;
+
+       struct {
+               unsigned int cfa_order;
+               struct prev_params params[2];
+               u32 active;
+               spinlock_t lock;
+       } params;
+
+       enum isp_pipeline_stream_state state;
+       wait_queue_head_t wait;
+       atomic_t stopping;
+};
+
+struct isp_device;
+
+int omap3isp_preview_init(struct isp_device *isp);
+void omap3isp_preview_cleanup(struct isp_device *isp);
+
+int omap3isp_preview_register_entities(struct isp_prev_device *prv,
+                                      struct v4l2_device *vdev);
+void omap3isp_preview_unregister_entities(struct isp_prev_device *prv);
+
+void omap3isp_preview_isr_frame_sync(struct isp_prev_device *prev);
+void omap3isp_preview_isr(struct isp_prev_device *prev);
+
+int omap3isp_preview_busy(struct isp_prev_device *isp_prev);
+
+void omap3isp_preview_restore_context(struct isp_device *isp);
+
+#endif /* OMAP3_ISP_PREVIEW_H */