--- /dev/null
+/*
+ * ispresizer.h
+ *
+ * Driver header file for Resizer module in TI's OMAP3 Camera ISP
+ *
+ * Copyright (C) 2009 Texas Instruments, Inc.
+ *
+ * Contributors:
+ * Sameer Venkatraman <sameerv@ti.com>
+ * Mohit Jalori
+ * Sergio Aguirre <saaguirre@ti.com>
+ *
+ * This package 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 PACKAGE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
+ * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
+ */
+
+#ifndef OMAP_ISP_RESIZER_H
+#define OMAP_ISP_RESIZER_H
+
+/*
+ * Resizer Constants
+ */
+#define MAX_IN_WIDTH_MEMORY_MODE 4095
+
+#define MAX_IN_WIDTH_ONTHEFLY_MODE 1280
+#define MAX_IN_WIDTH_ONTHEFLY_MODE_ES2 4095
+#define MAX_IN_HEIGHT 4095
+#define MINIMUM_RESIZE_VALUE 64
+#define MAXIMUM_RESIZE_VALUE 1024
+#define MID_RESIZE_VALUE 512
+
+#define MAX_7TAP_HRSZ_OUTWIDTH 1280
+#define MAX_7TAP_VRSZ_OUTWIDTH 640
+
+#define MAX_7TAP_HRSZ_OUTWIDTH_ES2 3300
+#define MAX_7TAP_VRSZ_OUTWIDTH_ES2 1650
+
+#define DEFAULTSTPIXEL 0
+#define DEFAULTSTPHASE 1
+#define DEFAULTHSTPIXEL4TAPMODE 3
+#define FOURPHASE 4
+#define EIGHTPHASE 8
+#define RESIZECONSTANT 256
+#define SHIFTER4TAPMODE 0
+#define SHIFTER7TAPMODE 1
+#define DEFAULTOFFSET 7
+#define OFFSETVERT4TAPMODE 4
+#define OPWDALIGNCONSTANT 0xfffffff0
+
+/*
+ * The client is supposed to call resizer API in the following sequence:
+ * - request()
+ * - config_datatpath()
+ * - optionally config/enable sub modules
+ * - try/config size
+ * - setup callback
+ * - setup in/out memory offsets and ptrs
+ * - enable()
+ * ...
+ * - disable()
+ * - free()
+ */
+
+enum resizer_input {
+ RSZ_OTFLY_YUV,
+ RSZ_MEM_YUV,
+ RSZ_MEM_COL8
+};
+
+/**
+ * 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];
+ u16 h_filter_coef_7tap[28];
+ u16 v_filter_coef_7tap[28];
+};
+
+/**
+ * struct isprsz_yenh - Structure for resizer luminance enhancer parameters.
+ * @algo: Algorithm select.
+ * @gain: Maximum gain.
+ * @slope: Slope.
+ * @coreoffset: Coring offset.
+ */
+struct isprsz_yenh {
+ u8 algo;
+ u8 gain;
+ u8 slope;
+ u8 coreoffset;
+};
+
+/**
+ * struct isp_res_device - Structure for the resizer module to store its
+ * information.
+ * @res_inuse: Indicates if resizer module has been reserved. 1 - Reserved,
+ * 0 - Freed.
+ * @h_startphase: Horizontal starting phase.
+ * @v_startphase: Vertical starting phase.
+ * @h_resz: Horizontal resizing value.
+ * @v_resz: Vertical resizing value.
+ * @outputwidth: Output Image Width in pixels.
+ * @outputheight: Output Image Height in pixels.
+ * @inputwidth: Input Image Width in pixels.
+ * @inputheight: Input Image Height in pixels.
+ * @algo: Algorithm select. 0 - Disable, 1 - [-1 2 -1]/2 high-pass filter,
+ * 2 - [-1 -2 6 -2 -1]/4 high-pass filter.
+ * @ipht_crop: Vertical start line for cropping.
+ * @ipwd_crop: Horizontal start pixel for cropping.
+ * @cropwidth: Crop Width.
+ * @cropheight: Crop Height.
+ * @resinput: Resizer input.
+ * @coeflist: Register configuration for Resizer.
+ * @ispres_mutex: Mutex for isp resizer.
+ */
+struct isp_res_device {
+ u8 res_inuse;
+ u8 h_startphase;
+ u8 v_startphase;
+ u16 h_resz;
+ u16 v_resz;
+ u8 algo;
+ dma_addr_t tmp_buf;
+ struct isprsz_coef coeflist;
+ struct mutex ispres_mutex; /* For checking/modifying res_inuse */
+ struct isprsz_yenh defaultyenh;
+ int applycrop;
+};
+
+int ispresizer_config_crop(struct isp_res_device *isp_res,
+ struct v4l2_crop *a);
+void ispresizer_config_shadow_registers(struct isp_res_device *isp_res);
+
+int ispresizer_request(struct isp_res_device *isp_res);
+
+int ispresizer_free(struct isp_res_device *isp_res);
+
+void ispresizer_enable_cbilin(struct isp_res_device *isp_res, u8 enable);
+
+void ispresizer_config_ycpos(struct isp_res_device *isp_res, u8 yc);
+
+void ispresizer_config_startphase(struct isp_res_device *isp_res,
+ u8 hstartphase, u8 vstartphase);
+
+void ispresizer_config_filter_coef(struct isp_res_device *isp_res,
+ struct isprsz_coef *coef);
+
+void ispresizer_config_luma_enhance(struct isp_res_device *isp_res,
+ struct isprsz_yenh *yenh);
+
+int ispresizer_try_pipeline(struct isp_res_device *isp_res,
+ struct isp_pipeline *pipe);
+
+int ispresizer_s_pipeline(struct isp_res_device *isp_res,
+ struct isp_pipeline *pipe);
+
+int ispresizer_config_inlineoffset(struct isp_res_device *isp_res, u32 offset);
+
+int ispresizer_set_inaddr(struct isp_res_device *isp_res, u32 addr);
+
+int ispresizer_config_outlineoffset(struct isp_res_device *isp_res, u32 offset);
+
+int ispresizer_set_outaddr(struct isp_res_device *isp_res, u32 addr);
+
+void ispresizer_enable(struct isp_res_device *isp_res, int enable);
+
+int ispresizer_busy(struct isp_res_device *isp_res);
+
+void ispresizer_save_context(struct device *dev);
+
+void ispresizer_restore_context(struct device *dev);
+
+void ispresizer_print_status(struct isp_res_device *isp_res);
+
+#endif /* OMAP_ISP_RESIZER_H */
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