sys/dev/ic/igsfbvar.h

   1 /*      $NetBSD: igsfbvar.h,v 1.18 2009/11/11 17:01:17 macallan Exp $ */
   2
   3 /*
   4  * Copyright (c) 2002, 2003 Valeriy E. Ushakov
   5  * All rights reserved.
   6  *
   7  * Redistribution and use in source and binary forms, with or without
   8  * modification, are permitted provided that the following conditions
   9  * are met:
  10  * 1. Redistributions of source code must retain the above copyright
  11  *    notice, this list of conditions and the following disclaimer.
  12  * 2. Redistributions in binary form must reproduce the above copyright
  13  *    notice, this list of conditions and the following disclaimer in the
  14  *    documentation and/or other materials provided with the distribution.
  15  * 3. The name of the author may not be used to endorse or promote products
  16  *    derived from this software without specific prior written permission
  17  *
  18  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  19  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  20  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  21  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  22  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  23  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  24  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  25  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  26  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  27  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  28  */
  29
  30 /*
  31  * Integraphics Systems IGA 168x and CyberPro series.
  32  */
  33 #ifndef _DEV_IC_IGSFBVAR_H_
  34 #define _DEV_IC_IGSFBVAR_H_
  35
  36 #include <dev/videomode/videomode.h>
  37
  38 #define IGS_CMAP_SIZE   256     /* 256 R/G/B entries */
  39 struct igs_hwcmap {
  40         uint8_t r[IGS_CMAP_SIZE];
  41         uint8_t g[IGS_CMAP_SIZE];
  42         uint8_t b[IGS_CMAP_SIZE];
  43 };
  44
  45
  46 #define IGS_CURSOR_MAX_SIZE 64  /* 64x64 sprite */
  47 struct igs_hwcursor {
  48         struct wsdisplay_curpos cc_pos;
  49         struct wsdisplay_curpos cc_hot;
  50         struct wsdisplay_curpos cc_size;
  51         uint8_t cc_image[512];          /* save copy of image for GCURSOR */
  52         uint8_t cc_mask[512];           /* save copy of mask for GCURSOR */
  53         uint16_t cc_sprite[512];        /* sprite in device 2bpp format */
  54         uint8_t cc_color[6];            /* 2 colors, 3 rgb components */
  55 };
  56
  57
  58 struct igsfb_devconfig {
  59         /* io space, may be memory mapped */
  60         bus_space_tag_t dc_iot;
  61         bus_addr_t dc_iobase;
  62         int dc_ioflags;
  63
  64         /* io registers */
  65         bus_space_handle_t dc_ioh;
  66
  67         /* graphic coprocessor */
  68         bus_space_handle_t dc_coph;
  69
  70         /* linear memory */
  71         bus_space_tag_t dc_memt;
  72         bus_addr_t dc_memaddr;
  73         bus_size_t dc_memsz; /* size of linear address space including mmio */
  74         int dc_memflags;
  75
  76         /* video memory size */
  77         bus_size_t dc_vmemsz;
  78
  79         /* resolution */
  80         int dc_width, dc_height, dc_depth, dc_stride;
  81         int dc_maxdepth;
  82         const struct videomode *dc_mode;
  83
  84         char dc_modestring[128];
  85
  86         /* part of video memory mapped for wsscreen */
  87         bus_space_handle_t dc_fbh;
  88         bus_size_t dc_fbsz;
  89
  90         /* 1KB of cursor sprite data */
  91         bus_space_handle_t dc_crh;
  92
  93         /* product id: IGA 168x, CyberPro 2k &c */
  94         int dc_id;
  95
  96         /* flags that control driver operation */
  97         int dc_hwflags;
  98 #define IGSFB_HW_BSWAP                  0x1 /* endianness mismatch */
  99 #define IGSFB_HW_BE_SELECT              0x2 /* big endian magic (cyberpro) */
 100 #define IGSFB_HW_TEXT_CURSOR            0x4 /* do text cursor in hardware */
 101
 102 /* do we need to do bswap in software? */
 103 #define IGSFB_HW_SOFT_BSWAP(dc)                                         \
 104         ((((dc)->dc_hwflags) & (IGSFB_HW_BSWAP | IGSFB_HW_BE_SELECT))   \
 105                 == IGSFB_HW_BSWAP)
 106
 107         int dc_blanked;                 /* screen is currently blanked */
 108         int dc_curenb;                  /* cursor sprite enabled */
 109         int dc_mapped;                  /* currently in mapped mode */
 110
 111         /* saved dc_ri.ri_ops.putchar */
 112         void (*dc_ri_putchar)(void *, int, int, u_int, long);
 113
 114         /* optional MD mmap() method */
 115         paddr_t (*dc_mmap)(void *, void *, off_t, int);
 116
 117         struct igs_hwcmap dc_cmap;      /* software copy of colormap */
 118         struct igs_hwcursor dc_cursor;  /* software copy of cursor sprite */
 119
 120         /* precomputed bit table for cursor sprite 1bpp -> 2bpp conversion */
 121         uint16_t dc_bexpand[256];
 122
 123         /* virtual console support */
 124         struct vcons_data dc_vd;
 125         struct vcons_screen dc_console;
 126 };
 127
 128
 129 struct igsfb_softc {
 130         struct device sc_dev;
 131         struct igsfb_devconfig *sc_dc;
 132 };
 133
 134
 135
 136 /*
 137  * Access sugar for indexed registers
 138  */
 139
 140 static __inline uint8_t
 141 igs_idx_read(bus_space_tag_t, bus_space_handle_t, u_int, uint8_t);
 142 static __inline void
 143 igs_idx_write(bus_space_tag_t, bus_space_handle_t, u_int, uint8_t, uint8_t);
 144
 145 static __inline uint8_t
 146 igs_idx_read(bus_space_tag_t t, bus_space_handle_t h,
 147              u_int idxport, uint8_t idx)
 148 {
 149         bus_space_write_1(t, h, idxport, idx);
 150         return (bus_space_read_1(t, h, idxport + 1));
 151 }
 152
 153 static __inline void
 154 igs_idx_write(bus_space_tag_t t, bus_space_handle_t h,
 155               u_int idxport, uint8_t idx, uint8_t val)
 156 {
 157         bus_space_write_1(t, h, idxport, idx);
 158         bus_space_write_1(t, h, idxport + 1, val);
 159 }
 160
 161
 162 /* sugar for sequencer controller */
 163 #define igs_seq_read(t,h,x)     \
 164         (igs_idx_read((t),(h),IGS_SEQ_IDX,(x)))
 165 #define igs_seq_write(t,h,x,v)  \
 166         (igs_idx_write((t),(h),IGS_SEQ_IDX,(x),(v)))
 167
 168
 169 /* sugar for CRT controller */
 170 #define igs_crtc_read(t,h,x)    \
 171         (igs_idx_read((t),(h),IGS_CRTC_IDX,(x)))
 172 #define igs_crtc_write(t,h,x,v) \
 173         (igs_idx_write((t),(h),IGS_CRTC_IDX,(x),(v)))
 174
 175
 176 /* sugar for attribute controller */
 177 #define igs_attr_flip_flop(t,h) \
 178         ((void)bus_space_read_1((t),(h),IGS_INPUT_STATUS1));
 179 #define igs_attr_read(t,h,x)    \
 180         (igs_idx_read((t),(h),IGS_ATTR_IDX,(x)))
 181
 182 static __inline void
 183 igs_attr_write(bus_space_tag_t, bus_space_handle_t, uint8_t, uint8_t);
 184
 185 static __inline void
 186 igs_attr_write(bus_space_tag_t t, bus_space_handle_t h,
 187                uint8_t idx, uint8_t val)
 188 {
 189         bus_space_write_1(t, h, IGS_ATTR_IDX, idx);
 190         bus_space_write_1(t, h, IGS_ATTR_IDX, val); /* sic, same register */
 191 }
 192
 193
 194 /* sugar for graphics controller registers */
 195 #define igs_grfx_read(t,h,x)    (igs_idx_read((t),(h),IGS_GRFX_IDX,(x)))
 196 #define igs_grfx_write(t,h,x,v) (igs_idx_write((t),(h),IGS_GRFX_IDX,(x),(v)))
 197
 198
 199 /* sugar for extended registers */
 200 #define igs_ext_read(t,h,x)     (igs_idx_read((t),(h),IGS_EXT_IDX,(x)))
 201 #define igs_ext_write(t,h,x,v)  (igs_idx_write((t),(h),IGS_EXT_IDX,(x),(v)))
 202
 203
 204 /* igsfb_subr.c */
 205 int     igsfb_enable(bus_space_tag_t, bus_addr_t, int);
 206 void    igsfb_hw_setup(struct igsfb_devconfig *);
 207 void    igsfb_1024x768_8bpp_60Hz(struct igsfb_devconfig *);
 208 void    igsfb_set_mode(struct igsfb_devconfig *, const struct videomode *, int);
 209
 210 /* igsfb.c */
 211 int     igsfb_cnattach_subr(struct igsfb_devconfig *);
 212 void    igsfb_attach_subr(struct igsfb_softc *, int);
 213
 214
 215 extern struct igsfb_devconfig igsfb_console_dc;
 216
 217 #endif /* _DEV_IC_IGSFBVAR_H_ */