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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 10:05:51 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 10:05:51 +0000
commit5d1646d90e1f2cceb9f0828f4b28318cd0ec7744 (patch)
treea94efe259b9009378be6d90eb30d2b019d95c194 /drivers/media/platform/omap3isp/ispresizer.h
parentInitial commit. (diff)
downloadlinux-5d1646d90e1f2cceb9f0828f4b28318cd0ec7744.tar.xz
linux-5d1646d90e1f2cceb9f0828f4b28318cd0ec7744.zip
Adding upstream version 5.10.209.upstream/5.10.209
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/media/platform/omap3isp/ispresizer.h')
-rw-r--r--drivers/media/platform/omap3isp/ispresizer.h136
1 files changed, 136 insertions, 0 deletions
diff --git a/drivers/media/platform/omap3isp/ispresizer.h b/drivers/media/platform/omap3isp/ispresizer.h
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+++ b/drivers/media/platform/omap3isp/ispresizer.h
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+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * ispresizer.h
+ *
+ * TI OMAP3 ISP - Resizer 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>
+ */
+
+#ifndef OMAP3_ISP_RESIZER_H
+#define OMAP3_ISP_RESIZER_H
+
+#include <linux/spinlock.h>
+#include <linux/types.h>
+
+/*
+ * Constants for filter coefficients count
+ */
+#define COEFF_CNT 32
+
+/*
+ * struct isprsz_coef - Structure for resizer filter coefficients.
+ * @h_filter_coef_4tap: Horizontal filter coefficients for 8-phase/4-tap
+ * mode (.5x-4x)
+ * @v_filter_coef_4tap: Vertical filter coefficients for 8-phase/4-tap
+ * mode (.5x-4x)
+ * @h_filter_coef_7tap: Horizontal filter coefficients for 4-phase/7-tap
+ * mode (.25x-.5x)
+ * @v_filter_coef_7tap: Vertical filter coefficients for 4-phase/7-tap
+ * mode (.25x-.5x)
+ */
+struct isprsz_coef {
+ u16 h_filter_coef_4tap[32];
+ u16 v_filter_coef_4tap[32];
+ /* Every 8th value is a dummy value in the following arrays: */
+ u16 h_filter_coef_7tap[32];
+ u16 v_filter_coef_7tap[32];
+};
+
+/* Chrominance horizontal algorithm */
+enum resizer_chroma_algo {
+ RSZ_THE_SAME = 0, /* Chrominance the same as Luminance */
+ RSZ_BILINEAR = 1, /* Chrominance uses bilinear interpolation */
+};
+
+/* Resizer input type select */
+enum resizer_colors_type {
+ RSZ_YUV422 = 0, /* YUV422 color is interleaved */
+ RSZ_COLOR8 = 1, /* Color separate data on 8 bits */
+};
+
+/*
+ * Structure for horizontal and vertical resizing value
+ */
+struct resizer_ratio {
+ u32 horz;
+ u32 vert;
+};
+
+/*
+ * Structure for luminance enhancer parameters.
+ */
+struct resizer_luma_yenh {
+ u8 algo; /* algorithm select. */
+ u8 gain; /* maximum gain. */
+ u8 slope; /* slope. */
+ u8 core; /* core offset. */
+};
+
+enum resizer_input_entity {
+ RESIZER_INPUT_NONE,
+ RESIZER_INPUT_VP, /* input video port - prev or ccdc */
+ RESIZER_INPUT_MEMORY,
+};
+
+/* Sink and source resizer pads */
+#define RESZ_PAD_SINK 0
+#define RESZ_PAD_SOURCE 1
+#define RESZ_PADS_NUM 2
+
+/*
+ * struct isp_res_device - OMAP3 ISP resizer module
+ * @lock: Protects formats and crop rectangles between set_selection and IRQ
+ * @crop.request: Crop rectangle requested by the user
+ * @crop.active: Active crop rectangle (based on hardware requirements)
+ */
+struct isp_res_device {
+ struct v4l2_subdev subdev;
+ struct media_pad pads[RESZ_PADS_NUM];
+ struct v4l2_mbus_framefmt formats[RESZ_PADS_NUM];
+
+ enum resizer_input_entity input;
+ struct isp_video video_in;
+ struct isp_video video_out;
+
+ u32 addr_base; /* stored source buffer address in memory mode */
+ u32 crop_offset; /* additional offset for crop in memory mode */
+ struct resizer_ratio ratio;
+ int pm_state;
+ unsigned int applycrop:1;
+ enum isp_pipeline_stream_state state;
+ wait_queue_head_t wait;
+ atomic_t stopping;
+ spinlock_t lock;
+
+ struct {
+ struct v4l2_rect request;
+ struct v4l2_rect active;
+ } crop;
+};
+
+struct isp_device;
+
+int omap3isp_resizer_init(struct isp_device *isp);
+void omap3isp_resizer_cleanup(struct isp_device *isp);
+
+int omap3isp_resizer_register_entities(struct isp_res_device *res,
+ struct v4l2_device *vdev);
+void omap3isp_resizer_unregister_entities(struct isp_res_device *res);
+void omap3isp_resizer_isr_frame_sync(struct isp_res_device *res);
+void omap3isp_resizer_isr(struct isp_res_device *isp_res);
+
+void omap3isp_resizer_max_rate(struct isp_res_device *res,
+ unsigned int *max_rate);
+
+void omap3isp_resizer_suspend(struct isp_res_device *isp_res);
+
+void omap3isp_resizer_resume(struct isp_res_device *isp_res);
+
+int omap3isp_resizer_busy(struct isp_res_device *isp_res);
+
+#endif /* OMAP3_ISP_RESIZER_H */