xref: /openbmc/linux/drivers/staging/media/atomisp/pci/isp/modes/interface/isp_types.h (revision 491a0b20)

/* SPDX-License-Identifier: GPL-2.0 */
/*
 * Support for Intel Camera Imaging ISP subsystem.
 * Copyright (c) 2010 - 2015, Intel Corporation.
 *
 * This program is free software; you can redistribute it and/or modify it
 * under the terms and conditions of the GNU General Public License,
 * version 2, as published by the Free Software Foundation.
 *
 * This program is distributed in the hope 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.
 */

#ifndef _ISP_TYPES_H_
#define _ISP_TYPES_H_

/*
 * Workaround: hivecc complains about "tag "sh_css_3a_output" already declared"
 * without this extra decl.
 */
struct ia_css_3a_output;

/*
 * Input stream formats, these correspond to the MIPI formats and the way
 * the CSS receiver sends these to the input formatter.
 * The bit depth of each pixel element is stored in the global variable
 * isp_bits_per_pixel.
 * NOTE: for rgb565, we set isp_bits_per_pixel to 565, for all other rgb
 * formats it's the actual depth (4, for 444, 8 for 888 etc).
 */
enum sh_stream_format {
	sh_stream_format_yuv420_legacy,
	sh_stream_format_yuv420,
	sh_stream_format_yuv422,
	sh_stream_format_rgb,
	sh_stream_format_raw,
	sh_stream_format_binary,	/* bytestream such as jpeg */
};

struct s_isp_frames {
	/*
	 * Global variables that are written to by either the SP or the host,
	 * every ISP binary needs these.
	 */
	/* output frame */
	char *xmem_base_addr_y;
	char *xmem_base_addr_uv;
	char *xmem_base_addr_u;
	char *xmem_base_addr_v;
	/* 2nd output frame */
	char *xmem_base_addr_second_out_y;
	char *xmem_base_addr_second_out_u;
	char *xmem_base_addr_second_out_v;
	/* input yuv frame */
	char *xmem_base_addr_y_in;
	char *xmem_base_addr_u_in;
	char *xmem_base_addr_v_in;
	/* input raw frame */
	char *xmem_base_addr_raw;
	/* output raw frame */
	char *xmem_base_addr_raw_out;
	/* viewfinder output (vf_veceven) */
	char *xmem_base_addr_vfout_y;
	char *xmem_base_addr_vfout_u;
	char *xmem_base_addr_vfout_v;
	/* overlay frame (for vf_pp) */
	char *xmem_base_addr_overlay_y;
	char *xmem_base_addr_overlay_u;
	char *xmem_base_addr_overlay_v;
	/* pre-gdc output frame (gdc input) */
	char *xmem_base_addr_qplane_r;
	char *xmem_base_addr_qplane_ratb;
	char *xmem_base_addr_qplane_gr;
	char *xmem_base_addr_qplane_gb;
	char *xmem_base_addr_qplane_b;
	char *xmem_base_addr_qplane_batr;
	/* YUV as input, used by postisp binary */
	char *xmem_base_addr_yuv_16_y;
	char *xmem_base_addr_yuv_16_u;
	char *xmem_base_addr_yuv_16_v;
};

#endif /* _ISP_TYPES_H_ */