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York Sun9b53a9e2008-04-28 02:15:34 -07001/*
2 * Copyright 2008 Freescale Semiconductor, Inc. All Rights Reserved.
3 *
4 * Freescale DIU Frame Buffer device driver
5 *
6 * Authors: Hongjun Chen <hong-jun.chen@freescale.com>
7 * Paul Widmer <paul.widmer@freescale.com>
8 * Srikanth Srinivasan <srikanth.srinivasan@freescale.com>
9 * York Sun <yorksun@freescale.com>
10 *
11 * Based on imxfb.c Copyright (C) 2004 S.Hauer, Pengutronix
12 *
13 * This program is free software; you can redistribute it and/or modify it
14 * under the terms of the GNU General Public License as published by the
15 * Free Software Foundation; either version 2 of the License, or (at your
16 * option) any later version.
17 *
18 */
19
20#ifndef __FSL_DIU_FB_H__
21#define __FSL_DIU_FB_H__
22
York Sun9b53a9e2008-04-28 02:15:34 -070023#include <linux/types.h>
24
York Sun9b53a9e2008-04-28 02:15:34 -070025struct mfb_chroma_key {
26 int enable;
27 __u8 red_max;
28 __u8 green_max;
29 __u8 blue_max;
30 __u8 red_min;
31 __u8 green_min;
32 __u8 blue_min;
33};
34
35struct aoi_display_offset {
Timur Tabi36b0b1d2011-10-04 19:36:44 -050036 __s32 x_aoi_d;
37 __s32 y_aoi_d;
York Sun9b53a9e2008-04-28 02:15:34 -070038};
39
40#define MFB_SET_CHROMA_KEY _IOW('M', 1, struct mfb_chroma_key)
York Sun9b53a9e2008-04-28 02:15:34 -070041#define MFB_SET_BRIGHTNESS _IOW('M', 3, __u8)
Timur Tabi36b0b1d2011-10-04 19:36:44 -050042#define MFB_SET_ALPHA _IOW('M', 0, __u8)
43#define MFB_GET_ALPHA _IOR('M', 0, __u8)
44#define MFB_SET_AOID _IOW('M', 4, struct aoi_display_offset)
45#define MFB_GET_AOID _IOR('M', 4, struct aoi_display_offset)
46#define MFB_SET_PIXFMT _IOW('M', 8, __u32)
47#define MFB_GET_PIXFMT _IOR('M', 8, __u32)
York Sun9b53a9e2008-04-28 02:15:34 -070048
Timur Tabi36b0b1d2011-10-04 19:36:44 -050049/*
50 * The original definitions of MFB_SET_PIXFMT and MFB_GET_PIXFMT used the
51 * wrong value for 'size' field of the ioctl. The current macros above use the
52 * right size, but we still need to provide backwards compatibility, at least
53 * for a while.
54*/
55#define MFB_SET_PIXFMT_OLD 0x80014d08
56#define MFB_GET_PIXFMT_OLD 0x40014d08
York Sun9b53a9e2008-04-28 02:15:34 -070057
58#ifdef __KERNEL__
York Sun9b53a9e2008-04-28 02:15:34 -070059
60/*
61 * These are the fields of area descriptor(in DDR memory) for every plane
62 */
63struct diu_ad {
64 /* Word 0(32-bit) in DDR memory */
65/* __u16 comp; */
66/* __u16 pixel_s:2; */
67/* __u16 pallete:1; */
68/* __u16 red_c:2; */
69/* __u16 green_c:2; */
70/* __u16 blue_c:2; */
71/* __u16 alpha_c:3; */
72/* __u16 byte_f:1; */
73/* __u16 res0:3; */
74
75 __be32 pix_fmt; /* hard coding pixel format */
76
77 /* Word 1(32-bit) in DDR memory */
78 __le32 addr;
79
80 /* Word 2(32-bit) in DDR memory */
81/* __u32 delta_xs:11; */
82/* __u32 res1:1; */
83/* __u32 delta_ys:11; */
84/* __u32 res2:1; */
85/* __u32 g_alpha:8; */
86 __le32 src_size_g_alpha;
87
88 /* Word 3(32-bit) in DDR memory */
89/* __u32 delta_xi:11; */
90/* __u32 res3:5; */
91/* __u32 delta_yi:11; */
92/* __u32 res4:3; */
93/* __u32 flip:2; */
94 __le32 aoi_size;
95
96 /* Word 4(32-bit) in DDR memory */
97 /*__u32 offset_xi:11;
98 __u32 res5:5;
99 __u32 offset_yi:11;
100 __u32 res6:5;
101 */
102 __le32 offset_xyi;
103
104 /* Word 5(32-bit) in DDR memory */
105 /*__u32 offset_xd:11;
106 __u32 res7:5;
107 __u32 offset_yd:11;
108 __u32 res8:5; */
109 __le32 offset_xyd;
110
111
112 /* Word 6(32-bit) in DDR memory */
113 __u8 ckmax_r;
114 __u8 ckmax_g;
115 __u8 ckmax_b;
116 __u8 res9;
117
118 /* Word 7(32-bit) in DDR memory */
119 __u8 ckmin_r;
120 __u8 ckmin_g;
121 __u8 ckmin_b;
122 __u8 res10;
123/* __u32 res10:8; */
124
125 /* Word 8(32-bit) in DDR memory */
126 __le32 next_ad;
127
128 /* Word 9(32-bit) in DDR memory, just for 64-bit aligned */
129 __u32 paddr;
130} __attribute__ ((packed));
131
132/* DIU register map */
133struct diu {
134 __be32 desc[3];
135 __be32 gamma;
136 __be32 pallete;
137 __be32 cursor;
138 __be32 curs_pos;
139 __be32 diu_mode;
140 __be32 bgnd;
141 __be32 bgnd_wb;
142 __be32 disp_size;
143 __be32 wb_size;
144 __be32 wb_mem_addr;
145 __be32 hsyn_para;
146 __be32 vsyn_para;
147 __be32 syn_pol;
148 __be32 thresholds;
149 __be32 int_status;
150 __be32 int_mask;
151 __be32 colorbar[8];
152 __be32 filling;
153 __be32 plut;
154} __attribute__ ((packed));
155
Timur Tabic4e5a022011-09-28 16:19:53 -0500156/*
157 * Modes of operation of DIU. The DIU supports five different modes, but
158 * the driver only supports modes 0 and 1.
159 */
York Sun9b53a9e2008-04-28 02:15:34 -0700160#define MFB_MODE0 0 /* DIU off */
161#define MFB_MODE1 1 /* All three planes output to display */
York Sun9b53a9e2008-04-28 02:15:34 -0700162
York Sun9b53a9e2008-04-28 02:15:34 -0700163#endif /* __KERNEL__ */
164#endif /* __FSL_DIU_FB_H__ */