/* * Copyright 2008 Freescale Semiconductor, Inc. All Rights Reserved. * * Freescale DIU Frame Buffer device driver * * Authors: Hongjun Chen <hong-jun.chen@freescale.com> * Paul Widmer <paul.widmer@freescale.com> * Srikanth Srinivasan <srikanth.srinivasan@freescale.com> * York Sun <yorksun@freescale.com> * * Based on imxfb.c Copyright (C) 2004 S.Hauer, Pengutronix * * This program is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License as published by the * Free Software Foundation; either version 2 of the License, or (at your * option) any later version. * */ #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 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 pallete: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 pallete; __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__ */