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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 _LINUX_SISFB_H_
23#define _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 */
78struct 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 */
149struct 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) */
199struct sis_memreq {
200 __u32 offset;
201 __u32 size;
202};
203
204/**********************************************/
205/* PRIVATE */
206/* (for IN-KERNEL usage only) */
207/**********************************************/
208
209
210#endif /* _LINUX_SISFB_H_ */