1 files changed, 147 insertions, 0 deletions

diff --git a/drivers/media/video/omap3isp/ispresizer.h b/drivers/media/video/omap3isp/ispresizer.h
new file mode 100644
index 000000000000..76abc2e42126
--- /dev/null
+++ b/drivers/media/video/omap3isp/ispresizer.h
@@ -0,0 +1,147 @@
+/*
+ * 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>
+ *
+ * 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.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
+ * 02110-1301 USA
+ */
+
+#ifndef OMAP3_ISP_RESIZER_H
+#define OMAP3_ISP_RESIZER_H
+
+#include <linux/types.h>
+
+/*
+ * Constants for filter coefficents count
+ */
+#define COEFF_CNT               32
+
+/*
+ * struct isprsz_coef - Structure for resizer filter coeffcients.
+ * @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
+ * @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;
+        unsigned int error;
+
+        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;
+
+        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 */