linux/include/video/sh_mobile_lcdc.h
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   1/* SPDX-License-Identifier: GPL-2.0 */
   2#ifndef __ASM_SH_MOBILE_LCDC_H__
   3#define __ASM_SH_MOBILE_LCDC_H__
   4
   5#include <linux/fb.h>
   6
   7/* Register definitions */
   8#define _LDDCKR                 0x410
   9#define LDDCKR_ICKSEL_BUS       (0 << 16)
  10#define LDDCKR_ICKSEL_MIPI      (1 << 16)
  11#define LDDCKR_ICKSEL_HDMI      (2 << 16)
  12#define LDDCKR_ICKSEL_EXT       (3 << 16)
  13#define LDDCKR_ICKSEL_MASK      (7 << 16)
  14#define LDDCKR_MOSEL            (1 << 6)
  15#define _LDDCKSTPR              0x414
  16#define _LDINTR                 0x468
  17#define LDINTR_FE               (1 << 10)
  18#define LDINTR_VSE              (1 << 9)
  19#define LDINTR_VEE              (1 << 8)
  20#define LDINTR_FS               (1 << 2)
  21#define LDINTR_VSS              (1 << 1)
  22#define LDINTR_VES              (1 << 0)
  23#define LDINTR_STATUS_MASK      (0xff << 0)
  24#define _LDSR                   0x46c
  25#define LDSR_MSS                (1 << 10)
  26#define LDSR_MRS                (1 << 8)
  27#define LDSR_AS                 (1 << 1)
  28#define _LDCNT1R                0x470
  29#define LDCNT1R_DE              (1 << 0)
  30#define _LDCNT2R                0x474
  31#define LDCNT2R_BR              (1 << 8)
  32#define LDCNT2R_MD              (1 << 3)
  33#define LDCNT2R_SE              (1 << 2)
  34#define LDCNT2R_ME              (1 << 1)
  35#define LDCNT2R_DO              (1 << 0)
  36#define _LDRCNTR                0x478
  37#define LDRCNTR_SRS             (1 << 17)
  38#define LDRCNTR_SRC             (1 << 16)
  39#define LDRCNTR_MRS             (1 << 1)
  40#define LDRCNTR_MRC             (1 << 0)
  41#define _LDDDSR                 0x47c
  42#define LDDDSR_LS               (1 << 2)
  43#define LDDDSR_WS               (1 << 1)
  44#define LDDDSR_BS               (1 << 0)
  45
  46#define LDMT1R_VPOL             (1 << 28)
  47#define LDMT1R_HPOL             (1 << 27)
  48#define LDMT1R_DWPOL            (1 << 26)
  49#define LDMT1R_DIPOL            (1 << 25)
  50#define LDMT1R_DAPOL            (1 << 24)
  51#define LDMT1R_HSCNT            (1 << 17)
  52#define LDMT1R_DWCNT            (1 << 16)
  53#define LDMT1R_IFM              (1 << 12)
  54#define LDMT1R_MIFTYP_RGB8      (0x0 << 0)
  55#define LDMT1R_MIFTYP_RGB9      (0x4 << 0)
  56#define LDMT1R_MIFTYP_RGB12A    (0x5 << 0)
  57#define LDMT1R_MIFTYP_RGB12B    (0x6 << 0)
  58#define LDMT1R_MIFTYP_RGB16     (0x7 << 0)
  59#define LDMT1R_MIFTYP_RGB18     (0xa << 0)
  60#define LDMT1R_MIFTYP_RGB24     (0xb << 0)
  61#define LDMT1R_MIFTYP_YCBCR     (0xf << 0)
  62#define LDMT1R_MIFTYP_SYS8A     (0x0 << 0)
  63#define LDMT1R_MIFTYP_SYS8B     (0x1 << 0)
  64#define LDMT1R_MIFTYP_SYS8C     (0x2 << 0)
  65#define LDMT1R_MIFTYP_SYS8D     (0x3 << 0)
  66#define LDMT1R_MIFTYP_SYS9      (0x4 << 0)
  67#define LDMT1R_MIFTYP_SYS12     (0x5 << 0)
  68#define LDMT1R_MIFTYP_SYS16A    (0x7 << 0)
  69#define LDMT1R_MIFTYP_SYS16B    (0x8 << 0)
  70#define LDMT1R_MIFTYP_SYS16C    (0x9 << 0)
  71#define LDMT1R_MIFTYP_SYS18     (0xa << 0)
  72#define LDMT1R_MIFTYP_SYS24     (0xb << 0)
  73#define LDMT1R_MIFTYP_MASK      (0xf << 0)
  74
  75#define LDDFR_CF1               (1 << 18)
  76#define LDDFR_CF0               (1 << 17)
  77#define LDDFR_CC                (1 << 16)
  78#define LDDFR_YF_420            (0 << 8)
  79#define LDDFR_YF_422            (1 << 8)
  80#define LDDFR_YF_444            (2 << 8)
  81#define LDDFR_YF_MASK           (3 << 8)
  82#define LDDFR_PKF_ARGB32        (0x00 << 0)
  83#define LDDFR_PKF_RGB16         (0x03 << 0)
  84#define LDDFR_PKF_RGB24         (0x0b << 0)
  85#define LDDFR_PKF_MASK          (0x1f << 0)
  86
  87#define LDSM1R_OS               (1 << 0)
  88
  89#define LDSM2R_OSTRG            (1 << 0)
  90
  91#define LDPMR_LPS               (3 << 0)
  92
  93#define _LDDWD0R                0x800
  94#define LDDWDxR_WDACT           (1 << 28)
  95#define LDDWDxR_RSW             (1 << 24)
  96#define _LDDRDR                 0x840
  97#define LDDRDR_RSR              (1 << 24)
  98#define LDDRDR_DRD_MASK         (0x3ffff << 0)
  99#define _LDDWAR                 0x900
 100#define LDDWAR_WA               (1 << 0)
 101#define _LDDRAR                 0x904
 102#define LDDRAR_RA               (1 << 0)
 103
 104enum {
 105        RGB8    = LDMT1R_MIFTYP_RGB8,   /* 24bpp, 8:8:8 */
 106        RGB9    = LDMT1R_MIFTYP_RGB9,   /* 18bpp, 9:9 */
 107        RGB12A  = LDMT1R_MIFTYP_RGB12A, /* 24bpp, 12:12 */
 108        RGB12B  = LDMT1R_MIFTYP_RGB12B, /* 12bpp */
 109        RGB16   = LDMT1R_MIFTYP_RGB16,  /* 16bpp */
 110        RGB18   = LDMT1R_MIFTYP_RGB18,  /* 18bpp */
 111        RGB24   = LDMT1R_MIFTYP_RGB24,  /* 24bpp */
 112        YUV422  = LDMT1R_MIFTYP_YCBCR,  /* 16bpp */
 113        SYS8A   = LDMT1R_IFM | LDMT1R_MIFTYP_SYS8A,     /* 24bpp, 8:8:8 */
 114        SYS8B   = LDMT1R_IFM | LDMT1R_MIFTYP_SYS8B,     /* 18bpp, 8:8:2 */
 115        SYS8C   = LDMT1R_IFM | LDMT1R_MIFTYP_SYS8C,     /* 18bpp, 2:8:8 */
 116        SYS8D   = LDMT1R_IFM | LDMT1R_MIFTYP_SYS8D,     /* 16bpp, 8:8 */
 117        SYS9    = LDMT1R_IFM | LDMT1R_MIFTYP_SYS9,      /* 18bpp, 9:9 */
 118        SYS12   = LDMT1R_IFM | LDMT1R_MIFTYP_SYS12,     /* 24bpp, 12:12 */
 119        SYS16A  = LDMT1R_IFM | LDMT1R_MIFTYP_SYS16A,    /* 16bpp */
 120        SYS16B  = LDMT1R_IFM | LDMT1R_MIFTYP_SYS16B,    /* 18bpp, 16:2 */
 121        SYS16C  = LDMT1R_IFM | LDMT1R_MIFTYP_SYS16C,    /* 18bpp, 2:16 */
 122        SYS18   = LDMT1R_IFM | LDMT1R_MIFTYP_SYS18,     /* 18bpp */
 123        SYS24   = LDMT1R_IFM | LDMT1R_MIFTYP_SYS24,     /* 24bpp */
 124};
 125
 126enum { LCDC_CHAN_DISABLED = 0,
 127       LCDC_CHAN_MAINLCD,
 128       LCDC_CHAN_SUBLCD };
 129
 130enum { LCDC_CLK_BUS, LCDC_CLK_PERIPHERAL, LCDC_CLK_EXTERNAL };
 131
 132#define LCDC_FLAGS_DWPOL (1 << 0) /* Rising edge dot clock data latch */
 133#define LCDC_FLAGS_DIPOL (1 << 1) /* Active low display enable polarity */
 134#define LCDC_FLAGS_DAPOL (1 << 2) /* Active low display data polarity */
 135#define LCDC_FLAGS_HSCNT (1 << 3) /* Disable HSYNC during VBLANK */
 136#define LCDC_FLAGS_DWCNT (1 << 4) /* Disable dotclock during blanking */
 137
 138struct sh_mobile_lcdc_sys_bus_cfg {
 139        unsigned long ldmt2r;
 140        unsigned long ldmt3r;
 141        unsigned long deferred_io_msec;
 142};
 143
 144struct sh_mobile_lcdc_sys_bus_ops {
 145        void (*write_index)(void *handle, unsigned long data);
 146        void (*write_data)(void *handle, unsigned long data);
 147        unsigned long (*read_data)(void *handle);
 148};
 149
 150struct sh_mobile_lcdc_panel_cfg {
 151        unsigned long width;            /* Panel width in mm */
 152        unsigned long height;           /* Panel height in mm */
 153        int (*setup_sys)(void *sys_ops_handle,
 154                         struct sh_mobile_lcdc_sys_bus_ops *sys_ops);
 155        void (*start_transfer)(void *sys_ops_handle,
 156                               struct sh_mobile_lcdc_sys_bus_ops *sys_ops);
 157        void (*display_on)(void);
 158        void (*display_off)(void);
 159};
 160
 161/* backlight info */
 162struct sh_mobile_lcdc_bl_info {
 163        const char *name;
 164        int max_brightness;
 165        int (*set_brightness)(int brightness);
 166};
 167
 168struct sh_mobile_lcdc_overlay_cfg {
 169        int fourcc;
 170        unsigned int max_xres;
 171        unsigned int max_yres;
 172};
 173
 174struct sh_mobile_lcdc_chan_cfg {
 175        int chan;
 176        int fourcc;
 177        int colorspace;
 178        int interface_type; /* selects RGBn or SYSn I/F, see above */
 179        int clock_divider;
 180        unsigned long flags; /* LCDC_FLAGS_... */
 181        const struct fb_videomode *lcd_modes;
 182        int num_modes;
 183        struct sh_mobile_lcdc_panel_cfg panel_cfg;
 184        struct sh_mobile_lcdc_bl_info bl_info;
 185        struct sh_mobile_lcdc_sys_bus_cfg sys_bus_cfg; /* only for SYSn I/F */
 186
 187        struct platform_device *tx_dev; /* HDMI/DSI transmitter device */
 188};
 189
 190struct sh_mobile_lcdc_info {
 191        int clock_source;
 192        struct sh_mobile_lcdc_chan_cfg ch[2];
 193        struct sh_mobile_lcdc_overlay_cfg overlays[4];
 194};
 195
 196#endif /* __ASM_SH_MOBILE_LCDC_H__ */
 197