/* * sh7760fb.h -- platform data for SH7760/SH7763 LCDC framebuffer driver. * * (c) 2006-2008 MSC Vertriebsges.m.b.H., * Manuel Lauss * (c) 2008 Nobuhiro Iwamatsu */ #ifndef _ASM_SH_SH7760FB_H #define _ASM_SH_SH7760FB_H /* * some bits of the colormap registers should be written as zero. * create a mask for that. */ #define SH7760FB_PALETTE_MASK 0x00f8fcf8 /* The LCDC dma engine always sets bits 27-26 to 1: this is Area3 */ #define SH7760FB_DMA_MASK 0x0C000000 /* palette */ #define LDPR(x) (((x) << 2)) /* framebuffer registers and bits */ #define LDICKR 0x400 #define LDMTR 0x402 /* see sh7760fb.h for LDMTR bits */ #define LDDFR 0x404 #define LDDFR_PABD (1 << 8) #define LDDFR_COLOR_MASK 0x7F #define LDSMR 0x406 #define LDSMR_ROT (1 << 13) #define LDSARU 0x408 #define LDSARL 0x40c #define LDLAOR 0x410 #define LDPALCR 0x412 #define LDPALCR_PALS (1 << 4) #define LDPALCR_PALEN (1 << 0) #define LDHCNR 0x414 #define LDHSYNR 0x416 #define LDVDLNR 0x418 #define LDVTLNR 0x41a #define LDVSYNR 0x41c #define LDACLNR 0x41e #define LDINTR 0x420 #define LDPMMR 0x424 #define LDPSPR 0x426 #define LDCNTR 0x428 #define LDCNTR_DON (1 << 0) #define LDCNTR_DON2 (1 << 4) #ifdef CONFIG_CPU_SUBTYPE_SH7763 # define LDLIRNR 0x440 /* LDINTR bit */ # define LDINTR_MINTEN (1 << 15) # define LDINTR_FINTEN (1 << 14) # define LDINTR_VSINTEN (1 << 13) # define LDINTR_VEINTEN (1 << 12) # define LDINTR_MINTS (1 << 11) # define LDINTR_FINTS (1 << 10) # define LDINTR_VSINTS (1 << 9) # define LDINTR_VEINTS (1 << 8) # define VINT_START (LDINTR_VSINTEN) # define VINT_CHECK (LDINTR_VSINTS) #else /* LDINTR bit */ # define LDINTR_VINTSEL (1 << 12) # define LDINTR_VINTE (1 << 8) # define LDINTR_VINTS (1 << 0) # define VINT_START (LDINTR_VINTSEL) # define VINT_CHECK (LDINTR_VINTS) #endif /* HSYNC polarity inversion */ #define LDMTR_FLMPOL (1 << 15) /* VSYNC polarity inversion */ #define LDMTR_CL1POL (1 << 14) /* DISPLAY-ENABLE polarity inversion */ #define LDMTR_DISPEN_LOWACT (1 << 13) /* DISPLAY DATA BUS polarity inversion */ #define LDMTR_DPOL_LOWACT (1 << 12) /* AC modulation signal enable */ #define LDMTR_MCNT (1 << 10) /* Disable output of HSYNC during VSYNC period */ #define LDMTR_CL1CNT (1 << 9) /* Disable output of VSYNC during VSYNC period */ #define LDMTR_CL2CNT (1 << 8) /* Display types supported by the LCDC */ #define LDMTR_STN_MONO_4 0x00 #define LDMTR_STN_MONO_8 0x01 #define LDMTR_STN_COLOR_4 0x08 #define LDMTR_STN_COLOR_8 0x09 #define LDMTR_STN_COLOR_12 0x0A #define LDMTR_STN_COLOR_16 0x0B #define LDMTR_DSTN_MONO_8 0x11 #define LDMTR_DSTN_MONO_16 0x13 #define LDMTR_DSTN_COLOR_8 0x19 #define LDMTR_DSTN_COLOR_12 0x1A #define LDMTR_DSTN_COLOR_16 0x1B #define LDMTR_TFT_COLOR_16 0x2B /* framebuffer color layout */ #define LDDFR_1BPP_MONO 0x00 #define LDDFR_2BPP_MONO 0x01 #define LDDFR_4BPP_MONO 0x02 #define LDDFR_6BPP_MONO 0x04 #define LDDFR_4BPP 0x0A #define LDDFR_8BPP 0x0C #define LDDFR_16BPP_RGB555 0x1D #define LDDFR_16BPP_RGB565 0x2D /* LCDC Pixclock sources */ #define LCDC_CLKSRC_BUSCLOCK 0 #define LCDC_CLKSRC_PERIPHERAL 1 #define LCDC_CLKSRC_EXTERNAL 2 #define LDICKR_CLKSRC(x) \ (((x) & 3) << 12) /* LCDC pixclock input divider. Set to 1 at a minimum! */ #define LDICKR_CLKDIV(x) \ ((x) & 0x1f) struct sh7760fb_platdata { /* Set this member to a valid fb_videmode for the display you * wish to use. The following members must be initialized: * xres, yres, hsync_len, vsync_len, sync, * {left,right,upper,lower}_margin. * The driver uses the above members to calculate register values * and memory requirements. Other members are ignored but may * be used by other framebuffer layer components. */ struct fb_videomode *def_mode; /* LDMTR includes display type and signal polarity. The * HSYNC/VSYNC polarities are derived from the fb_var_screeninfo * data above; however the polarities of the following signals * must be encoded in the ldmtr member: * Display Enable signal (default high-active) DISPEN_LOWACT * Display Data signals (default high-active) DPOL_LOWACT * AC Modulation signal (default off) MCNT * Hsync-During-Vsync suppression (default off) CL1CNT * Vsync-during-vsync suppression (default off) CL2CNT * NOTE: also set a display type! * (one of LDMTR_{STN,DSTN,TFT}_{MONO,COLOR}_{4,8,12,16}) */ u16 ldmtr; /* LDDFR controls framebuffer image format (depth, organization) * Use ONE of the LDDFR_?BPP_* macros! */ u16 lddfr; /* LDPMMR and LDPSPR control the timing of the power signals * for the display. Please read the SH7760 Hardware Manual, * Chapters 30.3.17, 30.3.18 and 30.4.6! */ u16 ldpmmr; u16 ldpspr; /* LDACLNR contains the line numbers after which the AC modulation * signal is to toggle. Set to ZERO for TFTs or displays which * do not need it. (Chapter 30.3.15 in SH7760 Hardware Manual). */ u16 ldaclnr; /* LDICKR contains information on pixelclock source and config. * Please use the LDICKR_CLKSRC() and LDICKR_CLKDIV() macros. * minimal value for CLKDIV() must be 1!. */ u16 ldickr; /* set this member to 1 if you wish to use the LCDC's hardware * rotation function. This is limited to displays <= 320x200 * pixels resolution! */ int rotate; /* set to 1 to rotate 90 CCW */ /* set this to 1 to suppress vsync irq use. */ int novsync; /* blanking hook for platform. Set this if your platform can do * more than the LCDC in terms of blanking (e.g. disable clock * generator / backlight power supply / etc. */ void (*blank) (int); }; #endif /* _ASM_SH_SH7760FB_H */