/*      $NetBSD: ffbvar.h,v 1.13 2011/12/22 05:08:05 macallan Exp $     */
/*      $OpenBSD: creatorvar.h,v 1.6 2002/07/30 19:48:15 jason Exp $    */

/*
* Copyright (c) 2002 Jason L. Wright ([email protected]),
*  Federico G. Schwindt ([email protected])
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
*    notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
*    notice, this list of conditions and the following disclaimer in the
*    documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
*    must display the following acknowledgement:
*      This product includes software developed by Jason L. Wright
* 4. The name of the author may not be used to endorse or promote products
*    derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/

#include <dev/wscons/wsdisplay_vconsvar.h>
#include <dev/videomode/videomode.h>
#include <dev/videomode/edidvar.h>
#include <dev/videomode/edidreg.h>

#include <dev/i2c/i2cvar.h>
#include <dev/i2c/i2c_bitbang.h>

#define FFB_CREATOR             0
#define FFB_AFB                 1

#define FFB_CFFLAG_NOACCEL      0x1

#define EDID_DATA_LEN           128

struct ffb_softc {
       device_t sc_dev;
       struct fbdevice sc_fb;
       bus_space_tag_t sc_bt;
       bus_space_handle_t sc_dac_h;
       bus_space_handle_t sc_fbc_h;
       bus_space_handle_t sc_sfb32_h;
       uint32_t *sc_sfb32;
       bus_addr_t sc_addrs[FFB_NREGS];
       bus_size_t sc_sizes[FFB_NREGS];
       int sc_height, sc_width, sc_linebytes, sc_depth;
       int sc_nscreens, sc_nreg;
       int sc_console;
       int sc_node;
       int sc_type;
       u_int sc_dacrev;
       uint8_t sc_edid_data[EDID_DATA_LEN];
       struct edid_info sc_edid_info;
       u_int sc_locked;
       int sc_mode;
       int sc_accel, sc_needredraw;
       int32_t sc_fifo_cache, sc_fg_cache, sc_bg_cache;
       const char *sc_conf;

       /* I2C stuff */
       struct i2c_controller sc_i2c;

       /* virtual console stuff */
       struct vcons_data vd;
};

#define DAC_WRITE(sc,r,v) \
   bus_space_write_4((sc)->sc_bt, (sc)->sc_dac_h, (r), (v))
#define DAC_READ(sc,r) \
   bus_space_read_4((sc)->sc_bt, (sc)->sc_dac_h, (r))
#define FBC_WRITE(sc,r,v) \
   bus_space_write_4((sc)->sc_bt, (sc)->sc_fbc_h, (r), (v))
#define FBC_READ(sc,r) \
   bus_space_read_4((sc)->sc_bt, (sc)->sc_fbc_h, (r))

void    ffb_attach(device_t);