2 * sh7760fb.h -- platform data for SH7760/SH7763 LCDC framebuffer driver.
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>
9 #ifndef _ASM_SH_SH7760FB_H
10 #define _ASM_SH_SH7760FB_H
13 * some bits of the colormap registers should be written as zero.
14 * create a mask for that.
16 #define SH7760FB_PALETTE_MASK 0x00f8fcf8
18 /* The LCDC dma engine always sets bits 27-26 to 1: this is Area3 */
19 #define SH7760FB_DMA_MASK 0x0C000000
22 #define LDPR(x) (((x) << 2))
24 /* framebuffer registers and bits */
27 /* see sh7760fb.h for LDMTR bits */
29 #define LDDFR_PABD (1 << 8)
30 #define LDDFR_COLOR_MASK 0x7F
32 #define LDSMR_ROT (1 << 13)
37 #define LDPALCR_PALS (1 << 4)
38 #define LDPALCR_PALEN (1 << 0)
49 #define LDCNTR_DON (1 << 0)
50 #define LDCNTR_DON2 (1 << 4)
52 #ifdef CONFIG_CPU_SUBTYPE_SH7763
53 # define LDLIRNR 0x440
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)
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)
74 /* HSYNC polarity inversion */
75 #define LDMTR_FLMPOL (1 << 15)
77 /* VSYNC polarity inversion */
78 #define LDMTR_CL1POL (1 << 14)
80 /* DISPLAY-ENABLE polarity inversion */
81 #define LDMTR_DISPEN_LOWACT (1 << 13)
83 /* DISPLAY DATA BUS polarity inversion */
84 #define LDMTR_DPOL_LOWACT (1 << 12)
86 /* AC modulation signal enable */
87 #define LDMTR_MCNT (1 << 10)
89 /* Disable output of HSYNC during VSYNC period */
90 #define LDMTR_CL1CNT (1 << 9)
92 /* Disable output of VSYNC during VSYNC period */
93 #define LDMTR_CL2CNT (1 << 8)
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
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
119 /* LCDC Pixclock sources */
120 #define LCDC_CLKSRC_BUSCLOCK 0
121 #define LCDC_CLKSRC_PERIPHERAL 1
122 #define LCDC_CLKSRC_EXTERNAL 2
124 #define LDICKR_CLKSRC(x) \
127 /* LCDC pixclock input divider. Set to 1 at a minimum! */
128 #define LDICKR_CLKDIV(x) \
131 struct sh7760fb_platdata {
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.
141 struct fb_videomode *def_mode;
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})
157 /* LDDFR controls framebuffer image format (depth, organization)
158 * Use ONE of the LDDFR_?BPP_* macros!
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!
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).
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!.
181 /* set this member to 1 if you wish to use the LCDC's hardware
182 * rotation function. This is limited to displays <= 320x200
185 int rotate; /* set to 1 to rotate 90 CCW */
187 /* set this to 1 to suppress vsync irq use. */
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.
197 #endif /* _ASM_SH_SH7760FB_H */