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diff --git a/include/asm-sh/sh7760fb.h b/include/asm-sh/sh7760fb.h
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1/*
2 * sh7760fb.h -- platform data for SH7760/SH7763 LCDC framebuffer driver.
3 *
4 * (c) 2006-2008 MSC Vertriebsges.m.b.H.,
5 * Manuel Lauss <mano@roarinelk.homelinux.net>
6 * (c) 2008 Nobuhiro Iwamatsu <iwamatsu.nobuhiro@renesas.com>
7 */
8
9#ifndef _ASM_SH_SH7760FB_H
10#define _ASM_SH_SH7760FB_H
11
12/*
13 * some bits of the colormap registers should be written as zero.
14 * create a mask for that.
15 */
16#define SH7760FB_PALETTE_MASK 0x00f8fcf8
17
18/* The LCDC dma engine always sets bits 27-26 to 1: this is Area3 */
19#define SH7760FB_DMA_MASK 0x0C000000
20
21/* palette */
22#define LDPR(x) (((x) << 2))
23
24/* framebuffer registers and bits */
25#define LDICKR 0x400
26#define LDMTR 0x402
27/* see sh7760fb.h for LDMTR bits */
28#define LDDFR 0x404
29#define LDDFR_PABD (1 << 8)
30#define LDDFR_COLOR_MASK 0x7F
31#define LDSMR 0x406
32#define LDSMR_ROT (1 << 13)
33#define LDSARU 0x408
34#define LDSARL 0x40c
35#define LDLAOR 0x410
36#define LDPALCR 0x412
37#define LDPALCR_PALS (1 << 4)
38#define LDPALCR_PALEN (1 << 0)
39#define LDHCNR 0x414
40#define LDHSYNR 0x416
41#define LDVDLNR 0x418
42#define LDVTLNR 0x41a
43#define LDVSYNR 0x41c
44#define LDACLNR 0x41e
45#define LDINTR 0x420
46#define LDPMMR 0x424
47#define LDPSPR 0x426
48#define LDCNTR 0x428
49#define LDCNTR_DON (1 << 0)
50#define LDCNTR_DON2 (1 << 4)
51
52#ifdef CONFIG_CPU_SUBTYPE_SH7763
53# define LDLIRNR 0x440
54/* LDINTR bit */
55# define LDINTR_MINTEN (1 << 15)
56# define LDINTR_FINTEN (1 << 14)
57# define LDINTR_VSINTEN (1 << 13)
58# define LDINTR_VEINTEN (1 << 12)
59# define LDINTR_MINTS (1 << 11)
60# define LDINTR_FINTS (1 << 10)
61# define LDINTR_VSINTS (1 << 9)
62# define LDINTR_VEINTS (1 << 8)
63# define VINT_START (LDINTR_VSINTEN)
64# define VINT_CHECK (LDINTR_VSINTS)
65#else
66/* LDINTR bit */
67# define LDINTR_VINTSEL (1 << 12)
68# define LDINTR_VINTE (1 << 8)
69# define LDINTR_VINTS (1 << 0)
70# define VINT_START (LDINTR_VINTSEL)
71# define VINT_CHECK (LDINTR_VINTS)
72#endif
73
74/* HSYNC polarity inversion */
75#define LDMTR_FLMPOL (1 << 15)
76
77/* VSYNC polarity inversion */
78#define LDMTR_CL1POL (1 << 14)
79
80/* DISPLAY-ENABLE polarity inversion */
81#define LDMTR_DISPEN_LOWACT (1 << 13)
82
83/* DISPLAY DATA BUS polarity inversion */
84#define LDMTR_DPOL_LOWACT (1 << 12)
85
86/* AC modulation signal enable */
87#define LDMTR_MCNT (1 << 10)
88
89/* Disable output of HSYNC during VSYNC period */
90#define LDMTR_CL1CNT (1 << 9)
91
92/* Disable output of VSYNC during VSYNC period */
93#define LDMTR_CL2CNT (1 << 8)
94
95/* Display types supported by the LCDC */
96#define LDMTR_STN_MONO_4 0x00
97#define LDMTR_STN_MONO_8 0x01
98#define LDMTR_STN_COLOR_4 0x08
99#define LDMTR_STN_COLOR_8 0x09
100#define LDMTR_STN_COLOR_12 0x0A
101#define LDMTR_STN_COLOR_16 0x0B
102#define LDMTR_DSTN_MONO_8 0x11
103#define LDMTR_DSTN_MONO_16 0x13
104#define LDMTR_DSTN_COLOR_8 0x19
105#define LDMTR_DSTN_COLOR_12 0x1A
106#define LDMTR_DSTN_COLOR_16 0x1B
107#define LDMTR_TFT_COLOR_16 0x2B
108
109/* framebuffer color layout */
110#define LDDFR_1BPP_MONO 0x00
111#define LDDFR_2BPP_MONO 0x01
112#define LDDFR_4BPP_MONO 0x02
113#define LDDFR_6BPP_MONO 0x04
114#define LDDFR_4BPP 0x0A
115#define LDDFR_8BPP 0x0C
116#define LDDFR_16BPP_RGB555 0x1D
117#define LDDFR_16BPP_RGB565 0x2D
118
119/* LCDC Pixclock sources */
120#define LCDC_CLKSRC_BUSCLOCK 0
121#define LCDC_CLKSRC_PERIPHERAL 1
122#define LCDC_CLKSRC_EXTERNAL 2
123
124#define LDICKR_CLKSRC(x) \
125 (((x) & 3) << 12)
126
127/* LCDC pixclock input divider. Set to 1 at a minimum! */
128#define LDICKR_CLKDIV(x) \
129 ((x) & 0x1f)
130
131struct sh7760fb_platdata {
132
133 /* Set this member to a valid fb_videmode for the display you
134 * wish to use. The following members must be initialized:
135 * xres, yres, hsync_len, vsync_len, sync,
136 * {left,right,upper,lower}_margin.
137 * The driver uses the above members to calculate register values
138 * and memory requirements. Other members are ignored but may
139 * be used by other framebuffer layer components.
140 */
141 struct fb_videomode *def_mode;
142
143 /* LDMTR includes display type and signal polarity. The
144 * HSYNC/VSYNC polarities are derived from the fb_var_screeninfo
145 * data above; however the polarities of the following signals
146 * must be encoded in the ldmtr member:
147 * Display Enable signal (default high-active) DISPEN_LOWACT
148 * Display Data signals (default high-active) DPOL_LOWACT
149 * AC Modulation signal (default off) MCNT
150 * Hsync-During-Vsync suppression (default off) CL1CNT
151 * Vsync-during-vsync suppression (default off) CL2CNT
152 * NOTE: also set a display type!
153 * (one of LDMTR_{STN,DSTN,TFT}_{MONO,COLOR}_{4,8,12,16})
154 */
155 u16 ldmtr;
156
157 /* LDDFR controls framebuffer image format (depth, organization)
158 * Use ONE of the LDDFR_?BPP_* macros!
159 */
160 u16 lddfr;
161
162 /* LDPMMR and LDPSPR control the timing of the power signals
163 * for the display. Please read the SH7760 Hardware Manual,
164 * Chapters 30.3.17, 30.3.18 and 30.4.6!
165 */
166 u16 ldpmmr;
167 u16 ldpspr;
168
169 /* LDACLNR contains the line numbers after which the AC modulation
170 * signal is to toggle. Set to ZERO for TFTs or displays which
171 * do not need it. (Chapter 30.3.15 in SH7760 Hardware Manual).
172 */
173 u16 ldaclnr;
174
175 /* LDICKR contains information on pixelclock source and config.
176 * Please use the LDICKR_CLKSRC() and LDICKR_CLKDIV() macros.
177 * minimal value for CLKDIV() must be 1!.
178 */
179 u16 ldickr;
180
181 /* set this member to 1 if you wish to use the LCDC's hardware
182 * rotation function. This is limited to displays <= 320x200
183 * pixels resolution!
184 */
185 int rotate; /* set to 1 to rotate 90 CCW */
186
187 /* set this to 1 to suppress vsync irq use. */
188 int novsync;
189
190 /* blanking hook for platform. Set this if your platform can do
191 * more than the LCDC in terms of blanking (e.g. disable clock
192 * generator / backlight power supply / etc.
193 */
194 void (*blank) (int);
195};
196
197#endif /* _ASM_SH_SH7760FB_H */
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