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/*

 * Copyright (C) 2001-2004 by Thomas Winischhofer, Vienna, Austria.

 *

 * This program is free software; you can redistribute it and/or modify

 * it under the terms of the GNU General Public License as published by

 * the Free Software Foundation; either version 2 of the named License,

 * or any later version.

 *

 * This program is distributed in the hope that it will be useful,

 * but WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the

 * GNU General Public License for more details.

 *

 * You should have received a copy of the GNU General Public License

 * along with this program; if not, write to the Free Software

 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA

 */

#ifndef _LINUX_SISFB

#define _LINUX_SISFB

#include <asm/ioctl.h>

#include <asm/types.h>

/**********************************************/

/*                   PUBLIC                   */

/**********************************************/

/* vbflags */

#define CRT2_DEFAULT            0x00000001

#define CRT2_LCD                0x00000002  /* TW: Never change the order of the CRT2_XXX entries */

#define CRT2_TV                 0x00000004  /*     (see SISCycleCRT2Type())                       */

#define CRT2_VGA                0x00000008

#define TV_NTSC                 0x00000010

#define TV_PAL                  0x00000020

#define TV_HIVISION             0x00000040

#define TV_YPBPR                0x00000080

#define TV_AVIDEO               0x00000100

#define TV_SVIDEO               0x00000200

#define TV_SCART                0x00000400

#define VB_CONEXANT             0x00000800      /* 661 series only */

#define VB_TRUMPION             VB_CONEXANT     /* 300 series only */

#define TV_PALM                 0x00001000

#define TV_PALN                 0x00002000

#define TV_NTSCJ                0x00001000

#define VB_302ELV               0x00004000

#define TV_CHSCART              0x00008000

#define TV_CHYPBPR525I          0x00010000

#define CRT1_VGA                0x00000000

#define CRT1_LCDA               0x00020000

#define VGA2_CONNECTED          0x00040000

#define VB_DISPTYPE_CRT1        0x00080000      /* CRT1 connected and used */

#define VB_301                  0x00100000      /* Video bridge type */

#define VB_301B                 0x00200000

#define VB_302B                 0x00400000

#define VB_30xBDH               0x00800000      /* 30xB DH version (w/o LCD support) */

#define VB_LVDS                 0x01000000

#define VB_CHRONTEL             0x02000000

#define VB_301LV                0x04000000

#define VB_302LV                0x08000000

#define VB_301C                 0x10000000

#define VB_SINGLE_MODE          0x20000000      /* CRT1 or CRT2; determined by DISPTYPE_CRTx */

#define VB_MIRROR_MODE          0x40000000      /* CRT1 + CRT2 identical (mirror mode) */

#define VB_DUALVIEW_MODE        0x80000000      /* CRT1 + CRT2 independent (dual head mode) */

/* Aliases: */

#define CRT2_ENABLE             (CRT2_LCD | CRT2_TV | CRT2_VGA)

#define TV_STANDARD             (TV_NTSC | TV_PAL | TV_PALM | TV_PALN | TV_NTSCJ)

#define TV_INTERFACE            (TV_AVIDEO|TV_SVIDEO|TV_SCART|TV_HIVISION|TV_YPBPR|TV_CHSCART|TV_CHYPBPR525I)

/* Only if TV_YPBPR is set: */

#define TV_YPBPR525I            TV_NTSC

#define TV_YPBPR525P            TV_PAL

#define TV_YPBPR750P            TV_PALM

#define TV_YPBPR1080I           TV_PALN

#define TV_YPBPRALL             (TV_YPBPR525I | TV_YPBPR525P | TV_YPBPR750P | TV_YPBPR1080I)

#define VB_SISBRIDGE            (VB_301|VB_301B|VB_301C|VB_302B|VB_301LV|VB_302LV|VB_302ELV)

#define VB_SISTVBRIDGE          (VB_301|VB_301B|VB_301C|VB_302B|VB_301LV|VB_302LV)

#define VB_VIDEOBRIDGE          (VB_SISBRIDGE | VB_LVDS | VB_CHRONTEL | VB_CONEXANT)

#define VB_DISPTYPE_DISP2       CRT2_ENABLE

#define VB_DISPTYPE_CRT2        CRT2_ENABLE

#define VB_DISPTYPE_DISP1       VB_DISPTYPE_CRT1

#define VB_DISPMODE_SINGLE      VB_SINGLE_MODE

#define VB_DISPMODE_MIRROR      VB_MIRROR_MODE

#define VB_DISPMODE_DUAL        VB_DUALVIEW_MODE

#define VB_DISPLAY_MODE         (SINGLE_MODE | MIRROR_MODE | DUALVIEW_MODE)

/* *Never* change the order of the following enum */

typedef enum _SIS_CHIP_TYPE {

        SIS_VGALegacy = 0,       /* chip_id in sisfb_info */

        SIS_300,

        SIS_630,

        SIS_540,

        SIS_730,

        SIS_315H,

        SIS_315,

        SIS_315PRO,

        SIS_550,

        SIS_650,

        SIS_740,

        SIS_330,

        SIS_661,

        SIS_741,

        SIS_660,

        SIS_760,

        MAX_SIS_CHIP

} SIS_CHIP_TYPE;

/* Addtional IOCTLs for communication sisfb <> X driver                */

/* If changing this, vgatypes.h must also be changed (for X driver)    */

/* ioctl for identifying and giving some info (esp. memory heap start) */

#define SISFB_GET_INFO          _IOR('n',0xF8,__u32)

/* ioctrl to get current vertical retrace status */

#define SISFB_GET_VBRSTATUS     _IOR('n',0xF9,__u32)

/* ioctl to enable/disable panning auto-maximize (like nomax parameter) */

#define SISFB_GET_AUTOMAXIMIZE  _IOR('n',0xFA,__u32)

#define SISFB_SET_AUTOMAXIMIZE  _IOW('n',0xFA,__u32)

/* TW: Structure argument for SISFB_GET_INFO ioctl  */

typedef struct _SISFB_INFO sisfb_info, *psisfb_info;

struct _SISFB_INFO {

        u32     sisfb_id;               /* for identifying sisfb */

#ifndef SISFB_ID

#define SISFB_ID          0x53495346    /* Identify myself with 'SISF' */

#endif

        u32     chip_id;                /* PCI ID of detected chip */

        u32     memory;                 /* video memory in KB which sisfb manages */

        u32     heapstart;              /* heap start (= sisfb "mem" argument) in KB */

        u8      fbvidmode;              /* current sisfb mode */

        u8      sisfb_version;

        u8      sisfb_revision;

        u8      sisfb_patchlevel;

        u8      sisfb_caps;             /* Sisfb capabilities */

        u32     sisfb_tqlen;            /* turbo queue length (in KB) */

        u32     sisfb_pcibus;           /* The card's PCI ID */

        u32     sisfb_pcislot;

        u32     sisfb_pcifunc;

        u8      sisfb_lcdpdc;           /* PanelDelayCompensation */

        u8      sisfb_lcda;             /* Detected status of LCDA for low res/text modes */

        u32     sisfb_vbflags;

        u32     sisfb_currentvbflags;

        u32     sisfb_scalelcd;

        u32     sisfb_specialtiming;

        u8      sisfb_haveemi;

        u8      sisfb_emi30,sisfb_emi31,sisfb_emi32,sisfb_emi33;

        u8      sisfb_haveemilcd;

        u8      sisfb_lcdpdca;          /* PanelDelayCompensation for LCD-via-CRT1 */

        u8      reserved[212];          /* for future use */

};

/* For fb memory manager */

struct sis_memreq {

        unsigned long offset;

        unsigned long size;

};

/* More or less deprecated stuff follows: */

typedef enum _TVTYPE {

        TVMODE_NTSC = 0,

        TVMODE_PAL,

        TVMODE_HIVISION,

        TVMODE_TOTAL

} SIS_TV_TYPE;

typedef enum _TVPLUGTYPE {

        TVPLUG_Legacy = 0,

        TVPLUG_COMPOSITE,

        TVPLUG_SVIDEO,

        TVPLUG_SCART,

        TVPLUG_TOTAL

} SIS_TV_PLUG;

struct mode_info {

        int    bpp;

        int    xres;

        int    yres;

        int    v_xres;          /* deprecated - use var instead */

        int    v_yres;          /* deprecated - use var instead */

        int    org_x;           /* deprecated - use var instead */

        int    org_y;           /* deprecated - use var instead */

        unsigned int  vrate;

};

struct ap_data {

        struct mode_info minfo;

        unsigned long iobase;

        unsigned int  mem_size;

        unsigned long disp_state;  /* deprecated */

        SIS_CHIP_TYPE chip;

        unsigned char hasVB;

        SIS_TV_TYPE TV_type;       /* deprecated */

        SIS_TV_PLUG TV_plug;       /* deprecated */

        unsigned long version;

        unsigned long vbflags;     /* replaces deprecated entries above */

        unsigned long currentvbflags;

        char reserved[248];

};

/**********************************************/

/*                  PRIVATE                   */

/**********************************************/

#ifdef __KERNEL__

#include <linux/spinlock.h>

typedef enum _VGA_ENGINE {

        UNKNOWN_VGA = 0,

        SIS_300_VGA,

        SIS_315_VGA,

} VGA_ENGINE;

struct video_info {

        int             chip_id;

        unsigned int    video_size;

        unsigned long   video_base;

        char  *         video_vbase;

        unsigned long   mmio_size;

        unsigned long   mmio_base;

        char  *         mmio_vbase;

        unsigned long   vga_base;

        unsigned long   mtrr;

        unsigned long   heapstart;

        char  *         bios_vbase;

        char  *         bios_abase;

        int             video_bpp;

        int             video_cmap_len;

        int             video_width;

        int             video_height;

        int             video_vwidth;           /* DEPRECATED - use var instead */

        int             video_vheight;          /* DEPRECATED - use var instead */

        int             org_x;                  /* DEPRECATED - use var instead */

        int             org_y;                  /* DEPRECATED - use var instead */

        int             video_linelength;

        unsigned int    refresh_rate;

        unsigned long   disp_state;             /* DEPRECATED */

        unsigned char   hasVB;                  /* DEPRECATED */

        unsigned char   TV_type;                /* DEPRECATED */

        unsigned char   TV_plug;                /* DEPRECATED */

        SIS_CHIP_TYPE chip;

        unsigned char revision_id;

        unsigned short  DstColor;               /* For 2d acceleration */

        unsigned long   SiS310_AccelDepth;

        unsigned long   CommandReg;

        spinlock_t      lockaccel;              /* Do not use outside of kernel! */

        unsigned int    pcibus;

        unsigned int    pcislot;

        unsigned int    pcifunc;

        int             accel;

        unsigned short  subsysvendor;

        unsigned short  subsysdevice;

        unsigned long   vbflags;                /* Replacing deprecated stuff from above */

        unsigned long   currentvbflags;

        int             current_bpp;

        int             current_width;

        int             current_height;

        int             current_htotal;

        int             current_vtotal;

        __u32           current_pixclock;

        int             current_refresh_rate;

        u8              mode_no;

        u8              rate_idx;

        int             modechanged;

        unsigned char   modeprechange;

        int             newrom;

        int             registered;

        VGA_ENGINE      sisvga_engine;

        int             hwcursor_size;

        int             CRT2_write_enable;

        u8              caps;

        unsigned char   detectedpdc;

        unsigned char   detectedpdca;

        unsigned char   detectedlcda;

        unsigned long   hwcursor_vbase;

        char reserved[166];

};

extern struct video_info ivideo;

extern void sis_malloc(struct sis_memreq *req);

extern void sis_free(unsigned long base);

extern void sis_dispinfo(struct ap_data *rec);

#endif

#endif