include/uapi/video/sisfb.h

   1 /* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */
   2 /*
   3  * sisfb.h - definitions for the SiS framebuffer driver
   4  *
   5  * Copyright (C) 2001-2005 by Thomas Winischhofer, Vienna, Austria.
   6  *
   7  * This program is free software; you can redistribute it and/or modify
   8  * it under the terms of the GNU General Public License as published by
   9  * the Free Software Foundation; either version 2 of the named License,
  10  * or any later version.
  11  *
  12  * This program is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  15  * GNU General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU General Public License
  18  * along with this program; if not, write to the Free Software
  19  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA
  20  */
  21
  22 #ifndef _UAPI_LINUX_SISFB_H_
  23 #define _UAPI_LINUX_SISFB_H_
  24
  25 #include <linux/types.h>
  26 #include <asm/ioctl.h>
  27
  28 /**********************************************/
  29 /*                   PUBLIC                   */
  30 /**********************************************/
  31
  32 /* vbflags, public (others in sis.h) */
  33 #define CRT2_DEFAULT            0x00000001
  34 #define CRT2_LCD                0x00000002
  35 #define CRT2_TV                 0x00000004
  36 #define CRT2_VGA                0x00000008
  37 #define TV_NTSC                 0x00000010
  38 #define TV_PAL                  0x00000020
  39 #define TV_HIVISION             0x00000040
  40 #define TV_YPBPR                0x00000080
  41 #define TV_AVIDEO               0x00000100
  42 #define TV_SVIDEO               0x00000200
  43 #define TV_SCART                0x00000400
  44 #define TV_PALM                 0x00001000
  45 #define TV_PALN                 0x00002000
  46 #define TV_NTSCJ                0x00001000
  47 #define TV_CHSCART              0x00008000
  48 #define TV_CHYPBPR525I          0x00010000
  49 #define CRT1_VGA                0x00000000
  50 #define CRT1_LCDA               0x00020000
  51 #define VGA2_CONNECTED          0x00040000
  52 #define VB_DISPTYPE_CRT1        0x00080000      /* CRT1 connected and used */
  53 #define VB_SINGLE_MODE          0x20000000      /* CRT1 or CRT2; determined by DISPTYPE_CRTx */
  54 #define VB_MIRROR_MODE          0x40000000      /* CRT1 + CRT2 identical (mirror mode) */
  55 #define VB_DUALVIEW_MODE        0x80000000      /* CRT1 + CRT2 independent (dual head mode) */
  56
  57 /* Aliases: */
  58 #define CRT2_ENABLE             (CRT2_LCD | CRT2_TV | CRT2_VGA)
  59 #define TV_STANDARD             (TV_NTSC | TV_PAL | TV_PALM | TV_PALN | TV_NTSCJ)
  60 #define TV_INTERFACE            (TV_AVIDEO|TV_SVIDEO|TV_SCART|TV_HIVISION|TV_YPBPR|TV_CHSCART|TV_CHYPBPR525I)
  61
  62 /* Only if TV_YPBPR is set: */
  63 #define TV_YPBPR525I            TV_NTSC
  64 #define TV_YPBPR525P            TV_PAL
  65 #define TV_YPBPR750P            TV_PALM
  66 #define TV_YPBPR1080I           TV_PALN
  67 #define TV_YPBPRALL             (TV_YPBPR525I | TV_YPBPR525P | TV_YPBPR750P | TV_YPBPR1080I)
  68
  69 #define VB_DISPTYPE_DISP2       CRT2_ENABLE
  70 #define VB_DISPTYPE_CRT2        CRT2_ENABLE
  71 #define VB_DISPTYPE_DISP1       VB_DISPTYPE_CRT1
  72 #define VB_DISPMODE_SINGLE      VB_SINGLE_MODE
  73 #define VB_DISPMODE_MIRROR      VB_MIRROR_MODE
  74 #define VB_DISPMODE_DUAL        VB_DUALVIEW_MODE
  75 #define VB_DISPLAY_MODE         (SINGLE_MODE | MIRROR_MODE | DUALVIEW_MODE)
  76
  77 /* Structure argument for SISFB_GET_INFO ioctl  */
  78 struct sisfb_info {
  79         __u32   sisfb_id;               /* for identifying sisfb */
  80 #ifndef SISFB_ID
  81 #define SISFB_ID          0x53495346    /* Identify myself with 'SISF' */
  82 #endif
  83         __u32   chip_id;                /* PCI-ID of detected chip */
  84         __u32   memory;                 /* total video memory in KB */
  85         __u32   heapstart;              /* heap start offset in KB */
  86         __u8    fbvidmode;              /* current sisfb mode */
  87
  88         __u8    sisfb_version;
  89         __u8    sisfb_revision;
  90         __u8    sisfb_patchlevel;
  91
  92         __u8    sisfb_caps;             /* sisfb capabilities */
  93
  94         __u32   sisfb_tqlen;            /* turbo queue length (in KB) */
  95
  96         __u32   sisfb_pcibus;           /* The card's PCI ID */
  97         __u32   sisfb_pcislot;
  98         __u32   sisfb_pcifunc;
  99
 100         __u8    sisfb_lcdpdc;           /* PanelDelayCompensation */
 101
 102         __u8    sisfb_lcda;             /* Detected status of LCDA for low res/text modes */
 103
 104         __u32   sisfb_vbflags;
 105         __u32   sisfb_currentvbflags;
 106
 107         __u32   sisfb_scalelcd;
 108         __u32   sisfb_specialtiming;
 109
 110         __u8    sisfb_haveemi;
 111         __u8    sisfb_emi30,sisfb_emi31,sisfb_emi32,sisfb_emi33;
 112         __u8    sisfb_haveemilcd;
 113
 114         __u8    sisfb_lcdpdca;          /* PanelDelayCompensation for LCD-via-CRT1 */
 115
 116         __u16   sisfb_tvxpos, sisfb_tvypos;     /* Warning: Values + 32 ! */
 117
 118         __u32   sisfb_heapsize;         /* heap size (in KB) */
 119         __u32   sisfb_videooffset;      /* Offset of viewport in video memory (in bytes) */
 120
 121         __u32   sisfb_curfstn;          /* currently running FSTN/DSTN mode */
 122         __u32   sisfb_curdstn;
 123
 124         __u16   sisfb_pci_vendor;       /* PCI vendor (SiS or XGI) */
 125
 126         __u32   sisfb_vbflags2;         /* ivideo->vbflags2 */
 127
 128         __u8    sisfb_can_post;         /* sisfb can POST this card */
 129         __u8    sisfb_card_posted;      /* card is POSTED */
 130         __u8    sisfb_was_boot_device;  /* This card was the boot video device (ie is primary) */
 131
 132         __u8    reserved[183];          /* for future use */
 133 };
 134
 135 #define SISFB_CMD_GETVBFLAGS    0x55AA0001      /* no arg; result[1] = vbflags */
 136 #define SISFB_CMD_SWITCHCRT1    0x55AA0010      /* arg[0]: 99 = query, 0 = off, 1 = on */
 137 /* more to come */
 138
 139 #define SISFB_CMD_ERR_OK        0x80000000      /* command succeeded */
 140 #define SISFB_CMD_ERR_LOCKED    0x80000001      /* sisfb is locked */
 141 #define SISFB_CMD_ERR_EARLY     0x80000002      /* request before sisfb took over gfx system */
 142 #define SISFB_CMD_ERR_NOVB      0x80000003      /* No video bridge */
 143 #define SISFB_CMD_ERR_NOCRT2    0x80000004      /* can't change CRT1 status, CRT2 disabled */
 144 /* more to come */
 145 #define SISFB_CMD_ERR_UNKNOWN   0x8000ffff      /* Unknown command */
 146 #define SISFB_CMD_ERR_OTHER     0x80010000      /* Other error */
 147
 148 /* Argument for SISFB_CMD ioctl */
 149 struct sisfb_cmd {
 150         __u32  sisfb_cmd;
 151         __u32  sisfb_arg[16];
 152         __u32  sisfb_result[4];
 153 };
 154
 155 /* Additional IOCTLs for communication sisfb <> X driver                */
 156 /* If changing this, vgatypes.h must also be changed (for X driver)    */
 157
 158 /* ioctl for identifying and giving some info (esp. memory heap start) */
 159 #define SISFB_GET_INFO_SIZE     _IOR(0xF3,0x00,__u32)
 160 #define SISFB_GET_INFO          _IOR(0xF3,0x01,struct sisfb_info)
 161
 162 /* ioctrl to get current vertical retrace status */
 163 #define SISFB_GET_VBRSTATUS     _IOR(0xF3,0x02,__u32)
 164
 165 /* ioctl to enable/disable panning auto-maximize (like nomax parameter) */
 166 #define SISFB_GET_AUTOMAXIMIZE  _IOR(0xF3,0x03,__u32)
 167 #define SISFB_SET_AUTOMAXIMIZE  _IOW(0xF3,0x03,__u32)
 168
 169 /* ioctls to relocate TV output (x=D[31:16], y=D[15:0], + 32)*/
 170 #define SISFB_GET_TVPOSOFFSET   _IOR(0xF3,0x04,__u32)
 171 #define SISFB_SET_TVPOSOFFSET   _IOW(0xF3,0x04,__u32)
 172
 173 /* ioctl for internal sisfb commands (sisfbctrl) */
 174 #define SISFB_COMMAND           _IOWR(0xF3,0x05,struct sisfb_cmd)
 175
 176 /* ioctl for locking sisfb (no register access during lock) */
 177 /* As of now, only used to avoid register access during
 178  * the ioctls listed above.
 179  */
 180 #define SISFB_SET_LOCK          _IOW(0xF3,0x06,__u32)
 181
 182 /* ioctls 0xF3 up to 0x3F reserved for sisfb */
 183
 184 /****************************************************************/
 185 /* The following are deprecated and should not be used anymore: */
 186 /****************************************************************/
 187 /* ioctl for identifying and giving some info (esp. memory heap start) */
 188 #define SISFB_GET_INFO_OLD         _IOR('n',0xF8,__u32)
 189 /* ioctrl to get current vertical retrace status */
 190 #define SISFB_GET_VBRSTATUS_OLD    _IOR('n',0xF9,__u32)
 191 /* ioctl to enable/disable panning auto-maximize (like nomax parameter) */
 192 #define SISFB_GET_AUTOMAXIMIZE_OLD _IOR('n',0xFA,__u32)
 193 #define SISFB_SET_AUTOMAXIMIZE_OLD _IOW('n',0xFA,__u32)
 194 /****************************************************************/
 195 /*               End of deprecated ioctl numbers                */
 196 /****************************************************************/
 197
 198 /* For fb memory manager (FBIO_ALLOC, FBIO_FREE) */
 199 struct sis_memreq {
 200         __u32   offset;
 201         __u32   size;
 202 };
 203
 204 /**********************************************/
 205 /*                  PRIVATE                   */
 206 /*         (for IN-KERNEL usage only)         */
 207 /**********************************************/
 208
 209
 210 #endif /* _UAPI_LINUX_SISFB_H_ */