include/video/sh_mobile_lcdc.h

   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
 104 enum {
 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
 126 enum { LCDC_CHAN_DISABLED = 0,
 127        LCDC_CHAN_MAINLCD,
 128        LCDC_CHAN_SUBLCD };
 129
 130 enum { 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
 138 struct sh_mobile_lcdc_sys_bus_cfg {
 139         unsigned long ldmt2r;
 140         unsigned long ldmt3r;
 141         unsigned long deferred_io_msec;
 142 };
 143
 144 struct 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
 150 struct 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 */
 162 struct sh_mobile_lcdc_bl_info {
 163         const char *name;
 164         int max_brightness;
 165         int (*set_brightness)(int brightness);
 166 };
 167
 168 struct sh_mobile_lcdc_overlay_cfg {
 169         int fourcc;
 170         unsigned int max_xres;
 171         unsigned int max_yres;
 172 };
 173
 174 struct 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
 190 struct 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__ */