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/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
* Copyright 2008 Freescale Semiconductor, Inc. All Rights Reserved.
*
* Freescale DIU Frame Buffer device driver
*
* Authors: Hongjun Chen <[email protected]>
* Paul Widmer <[email protected]>
* Srikanth Srinivasan <[email protected]>
* York Sun <[email protected]>
*
* Based on imxfb.c Copyright (C) 2004 S.Hauer, Pengutronix
*/
#ifndef __FSL_DIU_FB_H__
#define __FSL_DIU_FB_H__
#include <linux/types.h>
struct mfb_chroma_key {
int enable;
__u8 red_max;
__u8 green_max;
__u8 blue_max;
__u8 red_min;
__u8 green_min;
__u8 blue_min;
};
struct aoi_display_offset {
__s32 x_aoi_d;
__s32 y_aoi_d;
};
#define MFB_SET_CHROMA_KEY _IOW('M', 1, struct mfb_chroma_key)
#define MFB_SET_BRIGHTNESS _IOW('M', 3, __u8)
#define MFB_SET_ALPHA _IOW('M', 0, __u8)
#define MFB_GET_ALPHA _IOR('M', 0, __u8)
#define MFB_SET_AOID _IOW('M', 4, struct aoi_display_offset)
#define MFB_GET_AOID _IOR('M', 4, struct aoi_display_offset)
#define MFB_SET_PIXFMT _IOW('M', 8, __u32)
#define MFB_GET_PIXFMT _IOR('M', 8, __u32)
/*
* The MPC5121 BSP comes with a gamma_set utility that initializes the
* gamma table. Unfortunately, it uses bad values for the IOCTL commands,
* but there's nothing we can do about it now. These ioctls are only
* supported on the MPC5121.
*/
#define MFB_SET_GAMMA _IOW('M', 1, __u8)
#define MFB_GET_GAMMA _IOR('M', 1, __u8)
/*
* The original definitions of MFB_SET_PIXFMT and MFB_GET_PIXFMT used the
* wrong value for 'size' field of the ioctl. The current macros above use the
* right size, but we still need to provide backwards compatibility, at least
* for a while.
*/
#define MFB_SET_PIXFMT_OLD 0x80014d08
#define MFB_GET_PIXFMT_OLD 0x40014d08
#ifdef __KERNEL__
/*
* These are the fields of area descriptor(in DDR memory) for every plane
*/
struct diu_ad {
/* Word 0(32-bit) in DDR memory */
/* __u16 comp; */
/* __u16 pixel_s:2; */
/* __u16 palette:1; */
/* __u16 red_c:2; */
/* __u16 green_c:2; */
/* __u16 blue_c:2; */
/* __u16 alpha_c:3; */
/* __u16 byte_f:1; */
/* __u16 res0:3; */
__be32 pix_fmt; /* hard coding pixel format */
/* Word 1(32-bit) in DDR memory */
__le32 addr;
/* Word 2(32-bit) in DDR memory */
/* __u32 delta_xs:11; */
/* __u32 res1:1; */
/* __u32 delta_ys:11; */
/* __u32 res2:1; */
/* __u32 g_alpha:8; */
__le32 src_size_g_alpha;
/* Word 3(32-bit) in DDR memory */
/* __u32 delta_xi:11; */
/* __u32 res3:5; */
/* __u32 delta_yi:11; */
/* __u32 res4:3; */
/* __u32 flip:2; */
__le32 aoi_size;
/* Word 4(32-bit) in DDR memory */
/*__u32 offset_xi:11;
__u32 res5:5;
__u32 offset_yi:11;
__u32 res6:5;
*/
__le32 offset_xyi;
/* Word 5(32-bit) in DDR memory */
/*__u32 offset_xd:11;
__u32 res7:5;
__u32 offset_yd:11;
__u32 res8:5; */
__le32 offset_xyd;
/* Word 6(32-bit) in DDR memory */
__u8 ckmax_r;
__u8 ckmax_g;
__u8 ckmax_b;
__u8 res9;
/* Word 7(32-bit) in DDR memory */
__u8 ckmin_r;
__u8 ckmin_g;
__u8 ckmin_b;
__u8 res10;
/* __u32 res10:8; */
/* Word 8(32-bit) in DDR memory */
__le32 next_ad;
/* Word 9(32-bit) in DDR memory, just for 64-bit aligned */
__u32 paddr;
} __attribute__ ((packed));
/* DIU register map */
struct diu {
__be32 desc[3];
__be32 gamma;
__be32 palette;
__be32 cursor;
__be32 curs_pos;
__be32 diu_mode;
__be32 bgnd;
__be32 bgnd_wb;
__be32 disp_size;
__be32 wb_size;
__be32 wb_mem_addr;
__be32 hsyn_para;
__be32 vsyn_para;
__be32 syn_pol;
__be32 thresholds;
__be32 int_status;
__be32 int_mask;
__be32 colorbar[8];
__be32 filling;
__be32 plut;
} __attribute__ ((packed));
/*
* Modes of operation of DIU. The DIU supports five different modes, but
* the driver only supports modes 0 and 1.
*/
#define MFB_MODE0 0 /* DIU off */
#define MFB_MODE1 1 /* All three planes output to display */
#endif /* __KERNEL__ */
#endif /* __FSL_DIU_FB_H__ */
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