FreeBSD/Linux Kernel Cross Reference
sys/dev/ic/stivar.h

     /*      $OpenBSD: stivar.h,v 1.27 2021/05/01 20:04:33 kettenis Exp $    */
     
     /*
      * Copyright (c) 2000-2003 Michael Shalayeff
      * 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.
     *
     * 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 OR HIS RELATIVES 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 MIND, 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.
     */
    
    #ifndef _IC_STIVAR_H_
    #define _IC_STIVAR_H_
    
    struct sti_softc;
    struct sti_screen;
    
    /*
     * STI ROM information - one per device
     */
    struct sti_rom {
            struct sti_softc        *rom_softc;     /* backpointer to device */
            int                      rom_devtype;
    
            bus_space_tag_t          iot, memt;     /* XXX iot unused */
            bus_space_handle_t       romh;
            bus_space_handle_t       regh[STI_REGION_MAX];
            bus_addr_t              *bases;
    
            struct sti_dd            rom_dd;        /* in word format */
            u_int8_t                *rom_code;
    
            /*
             * ROM-provided function pointers
             */
            sti_init_t               init;
            sti_mgmt_t               mgmt;
            sti_unpmv_t              unpmv;
            sti_blkmv_t              blkmv;
            sti_test_t               test;
            sti_exhdl_t              exhdl;
            sti_inqconf_t            inqconf;
            sti_scment_t             scment;
            sti_dmac_t               dmac;
            sti_flowc_t              flowc;
            sti_utiming_t            utiming;
            sti_pmgr_t               pmgr;
            sti_util_t               util;
    };
    
    /*
     * STI screen information - one per head
     */
    struct sti_screen {
            struct sti_rom          *scr_rom;
    
    #ifdef notyet
            u_int                    scr_flags;
    #endif
    
            int                      scr_bpp;
    
            struct sti_font          scr_curfont;
            struct sti_cfg           scr_cfg;
            struct sti_ecfg          scr_ecfg;
            u_int8_t                 name[STI_DEVNAME_LEN];
    
            void                    *scr_romfont;   /* ROM font copy in memory... */
            u_int                    scr_fontmaxcol;/* ...or in off-screen area */
            u_int                    scr_fontbase;
    
            u_int8_t                 scr_rcmap[STI_NCMAP],
                                     scr_gcmap[STI_NCMAP],
                                     scr_bcmap[STI_NCMAP];
    
            u_int16_t                fbheight, fbwidth;
            u_int16_t                oheight, owidth;       /* offscreen size */
            bus_addr_t               fbaddr;
            bus_size_t               fblen;
    
            /* wsdisplay information */
            int                      scr_nscreens;
           u_int                    scr_wsmode;
           struct  wsscreen_descr   scr_wsd;
           struct  wsscreen_descr  *scr_scrlist[1];
           struct  wsscreen_list    scr_screenlist;
   
           /*
            * Board-specific function data and pointers
            */
           void                    (*setupfb)(struct sti_screen *);
           int                     (*putcmap)(struct sti_screen *, u_int, u_int);
   
           uint32_t                reg10_value;
           uint32_t                reg12_value;
           bus_addr_t              cmap_finish_register;
   };
   
   /*
    * STI device state
    */
   struct sti_softc {
           struct device            sc_dev;
   #ifdef notyet
           void                    *sc_ih;
   #endif
   
           u_int                    sc_flags;
   #define STI_CONSOLE     0x0001  /* first head is console... */
   #define STI_ATTACHED    0x0002  /* ... and wsdisplay_cnattach() has been done */
   #define STI_ROM_ENABLED 0x0004  /* PCI ROM is enabled */
   
           bus_addr_t               bases[STI_REGION_MAX];
           struct sti_rom          *sc_rom;
           struct sti_screen       *sc_scr;
   
           /* optional, required for PCI */
           void                    (*sc_enable_rom)(struct sti_softc *);
           void                    (*sc_disable_rom)(struct sti_softc *);
   };
   
   int     sti_attach_common(struct sti_softc *, bus_space_tag_t, bus_space_tag_t,
               bus_space_handle_t, u_int);
   int     sti_cnattach(struct sti_rom *, struct sti_screen *, bus_space_tag_t,
               bus_addr_t *, u_int);
   void    sti_describe(struct sti_softc *);
   void    sti_end_attach(void *);
   u_int   sti_rom_size(bus_space_tag_t, bus_space_handle_t);
   
   #endif /* _IC_STIVAR_H_ */

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