/*      $NetBSD: igmavar.h,v 1.1 2014/01/21 14:52:07 mlelstv Exp $      */

/*
* Copyright (c) 2014 Michael van Elst
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/

#ifndef IGMAVAR_H
#define IGMAVAR_H

#include <dev/pci/pcivar.h>
#include <dev/pci/pcireg.h>

struct igma_chip;
struct igma_chip_ops {
       void (*barrier)(const struct igma_chip *, int);
       u_int32_t (*read_reg)(const struct igma_chip *, int);
       void (*write_reg)(const struct igma_chip *, int, u_int32_t);
       u_int8_t (*read_vga)(const struct igma_chip *, int);
       void (*write_vga)(const struct igma_chip *, int, u_int8_t);
#if 0
       u_int8_t (*read_crtc)(const struct igma_chip *, int);
       void (*write_crtc)(const struct igma_chip *, int, u_int8_t);
#endif
};

struct igma_chip {
       const struct igma_chip_ops      *ops;

       bus_space_tag_t         gttt;
       bus_space_handle_t      gtth;

       bus_space_tag_t         mmiot;
       bus_space_handle_t      mmioh;

       bus_space_tag_t         vgat;
       bus_space_handle_t      vgah;

       bus_space_tag_t         gmt;
       bus_space_handle_t      gmh;
       bus_addr_t              gmb;

       int num_gmbus;
       int gpio_offset;
       int vga_cntrl;
       int num_pipes;
       int use_pipe;
       u_int32_t pri_cntrl;
       int backlight_cntrl;
       int backlight_cntrl2;
       int backlight_factor;

       unsigned quirks;
};
#define IGMA_PLANESTART_QUIRK   (1L << 0)
#define IGMA_PFITDISABLE_QUIRK  (1L << 1)

struct igma_attach_args {
       const struct igma_chip_ops      *iaa_chip_ops;
       struct igma_chip        iaa_chip;
       bool                            iaa_console;
       char                            iaa_name[32];
};

#endif