| /* |
| * sh7760fb.h -- platform data for SH7760/SH7763 LCDC framebuffer driver. |
| * |
| * (c) 2006-2008 MSC Vertriebsges.m.b.H., |
| * Manuel Lauss <mano@roarinelk.homelinux.net> |
| * (c) 2008 Nobuhiro Iwamatsu <iwamatsu.nobuhiro@renesas.com> |
| */ |
| |
| #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 */ |