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1/*
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
23#include <linux/types.h>
24
25struct 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 {
36 __s32 x_aoi_d;
37 __s32 y_aoi_d;
38};
39
40#define MFB_SET_CHROMA_KEY _IOW('M', 1, struct mfb_chroma_key)
41#define MFB_SET_BRIGHTNESS _IOW('M', 3, __u8)
42#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)
48
49/*
50 * The MPC5121 BSP comes with a gamma_set utility that initializes the
51 * gamma table. Unfortunately, it uses bad values for the IOCTL commands,
52 * but there's nothing we can do about it now. These ioctls are only
53 * supported on the MPC5121.
54 */
55#define MFB_SET_GAMMA _IOW('M', 1, __u8)
56#define MFB_GET_GAMMA _IOR('M', 1, __u8)
57
58/*
59 * The original definitions of MFB_SET_PIXFMT and MFB_GET_PIXFMT used the
60 * wrong value for 'size' field of the ioctl. The current macros above use the
61 * right size, but we still need to provide backwards compatibility, at least
62 * for a while.
63*/
64#define MFB_SET_PIXFMT_OLD 0x80014d08
65#define MFB_GET_PIXFMT_OLD 0x40014d08
66
67#ifdef __KERNEL__
68
69/*
70 * These are the fields of area descriptor(in DDR memory) for every plane
71 */
72struct diu_ad {
73 /* Word 0(32-bit) in DDR memory */
74/* __u16 comp; */
75/* __u16 pixel_s:2; */
76/* __u16 palette:1; */
77/* __u16 red_c:2; */
78/* __u16 green_c:2; */
79/* __u16 blue_c:2; */
80/* __u16 alpha_c:3; */
81/* __u16 byte_f:1; */
82/* __u16 res0:3; */
83
84 __be32 pix_fmt; /* hard coding pixel format */
85
86 /* Word 1(32-bit) in DDR memory */
87 __le32 addr;
88
89 /* Word 2(32-bit) in DDR memory */
90/* __u32 delta_xs:11; */
91/* __u32 res1:1; */
92/* __u32 delta_ys:11; */
93/* __u32 res2:1; */
94/* __u32 g_alpha:8; */
95 __le32 src_size_g_alpha;
96
97 /* Word 3(32-bit) in DDR memory */
98/* __u32 delta_xi:11; */
99/* __u32 res3:5; */
100/* __u32 delta_yi:11; */
101/* __u32 res4:3; */
102/* __u32 flip:2; */
103 __le32 aoi_size;
104
105 /* Word 4(32-bit) in DDR memory */
106 /*__u32 offset_xi:11;
107 __u32 res5:5;
108 __u32 offset_yi:11;
109 __u32 res6:5;
110 */
111 __le32 offset_xyi;
112
113 /* Word 5(32-bit) in DDR memory */
114 /*__u32 offset_xd:11;
115 __u32 res7:5;
116 __u32 offset_yd:11;
117 __u32 res8:5; */
118 __le32 offset_xyd;
119
120
121 /* Word 6(32-bit) in DDR memory */
122 __u8 ckmax_r;
123 __u8 ckmax_g;
124 __u8 ckmax_b;
125 __u8 res9;
126
127 /* Word 7(32-bit) in DDR memory */
128 __u8 ckmin_r;
129 __u8 ckmin_g;
130 __u8 ckmin_b;
131 __u8 res10;
132/* __u32 res10:8; */
133
134 /* Word 8(32-bit) in DDR memory */
135 __le32 next_ad;
136
137 /* Word 9(32-bit) in DDR memory, just for 64-bit aligned */
138 __u32 paddr;
139} __attribute__ ((packed));
140
141/* DIU register map */
142struct diu {
143 __be32 desc[3];
144 __be32 gamma;
145 __be32 palette;
146 __be32 cursor;
147 __be32 curs_pos;
148 __be32 diu_mode;
149 __be32 bgnd;
150 __be32 bgnd_wb;
151 __be32 disp_size;
152 __be32 wb_size;
153 __be32 wb_mem_addr;
154 __be32 hsyn_para;
155 __be32 vsyn_para;
156 __be32 syn_pol;
157 __be32 thresholds;
158 __be32 int_status;
159 __be32 int_mask;
160 __be32 colorbar[8];
161 __be32 filling;
162 __be32 plut;
163} __attribute__ ((packed));
164
165/*
166 * Modes of operation of DIU. The DIU supports five different modes, but
167 * the driver only supports modes 0 and 1.
168 */
169#define MFB_MODE0 0 /* DIU off */
170#define MFB_MODE1 1 /* All three planes output to display */
171
172#endif /* __KERNEL__ */
173#endif /* __FSL_DIU_FB_H__ */
174

Warning: That file was not part of the compilation database. It may have many parsing errors.