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      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_ */
    211