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1/* SPDX-License-Identifier: (GPL-2.0 OR BSD-3-Clause) */
2/*
3 * sisusb - usb kernel driver for Net2280/SiS315 based USB2VGA dongles
4 *
5 * Copyright (C) 2005 by Thomas Winischhofer, Vienna, Austria
6 *
7 * If distributed as part of the Linux kernel, this code is licensed under the
8 * terms of the GPL v2.
9 *
10 * Otherwise, the following license terms apply:
11 *
12 * Redistribution and use in source and binary forms, with or without
13 * modification, are permitted provided that the following conditions
14 * are met:
15 * 1) Redistributions of source code must retain the above copyright
16 * notice, this list of conditions and the following disclaimer.
17 * 2) Redistributions in binary form must reproduce the above copyright
18 * notice, this list of conditions and the following disclaimer in the
19 * documentation and/or other materials provided with the distribution.
20 * 3) The name of the author may not be used to endorse or promote products
21 * derived from this software without specific prior written permission.
22 *
23 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESSED OR
24 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
25 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
26 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
27 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
28 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
29 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
30 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
31 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
32 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
33 *
34 * Author: Thomas Winischhofer <thomas@winischhofer.net>
35 *
36 */
37
38#ifndef _SISUSB_H_
39#define _SISUSB_H_
40
41#include <linux/mutex.h>
42
43/* Version Information */
44
45#define SISUSB_VERSION 0
46#define SISUSB_REVISION 0
47#define SISUSB_PATCHLEVEL 8
48
49/* Include console and mode switching code? */
50
51#include <linux/console.h>
52#include <linux/vt_kern.h>
53#include "sisusb_struct.h"
54
55/* USB related */
56
57#define SISUSB_MINOR 133 /* official */
58
59/* Size of the sisusb input/output buffers */
60#define SISUSB_IBUF_SIZE 0x01000
61#define SISUSB_OBUF_SIZE 0x10000 /* fixed */
62
63#define NUMOBUFS 8 /* max number of output buffers/output URBs */
64
65/* About endianness:
66 *
67 * 1) I/O ports, PCI config registers. The read/write()
68 * calls emulate inX/outX. Hence, the data is
69 * expected/delivered in machine endiannes by this
70 * driver.
71 * 2) Video memory. The data is copied 1:1. There is
72 * no swapping. Ever. This means for userland that
73 * the data has to be prepared properly. (Hint:
74 * think graphics data format, command queue,
75 * hardware cursor.)
76 * 3) MMIO. Data is copied 1:1. MMIO must be swapped
77 * properly by userland.
78 *
79 */
80
81#ifdef __BIG_ENDIAN
82#define SISUSB_CORRECT_ENDIANNESS_PACKET(p) \
83 do { \
84 p->header = cpu_to_le16(p->header); \
85 p->address = cpu_to_le32(p->address); \
86 p->data = cpu_to_le32(p->data); \
87 } while(0)
88#else
89#define SISUSB_CORRECT_ENDIANNESS_PACKET(p)
90#endif
91
92struct sisusb_usb_data;
93
94struct sisusb_urb_context { /* urb->context for outbound bulk URBs */
95 struct sisusb_usb_data *sisusb;
96 int urbindex;
97 int *actual_length;
98};
99
100struct sisusb_usb_data {
101 struct usb_device *sisusb_dev;
102 struct usb_interface *interface;
103 struct kref kref;
104 wait_queue_head_t wait_q; /* for syncind and timeouts */
105 struct mutex lock; /* general race avoidance */
106 unsigned int ifnum; /* interface number of the USB device */
107 int minor; /* minor (for logging clarity) */
108 int isopen; /* !=0 if open */
109 int present; /* !=0 if device is present on the bus */
110 int ready; /* !=0 if device is ready for userland */
111 int numobufs; /* number of obufs = number of out urbs */
112 char *obuf[NUMOBUFS], *ibuf; /* transfer buffers */
113 int obufsize, ibufsize;
114 struct urb *sisurbout[NUMOBUFS];
115 struct urb *sisurbin;
116 unsigned char urbstatus[NUMOBUFS];
117 unsigned char completein;
118 struct sisusb_urb_context urbout_context[NUMOBUFS];
119 unsigned long flagb0;
120 unsigned long vrambase; /* framebuffer base */
121 unsigned int vramsize; /* framebuffer size (bytes) */
122 unsigned long mmiobase;
123 unsigned int mmiosize;
124 unsigned long ioportbase;
125 unsigned char devinit; /* device initialized? */
126 unsigned char gfxinit; /* graphics core initialized? */
127 unsigned short chipid, chipvendor;
128 unsigned short chiprevision;
129#ifdef CONFIG_USB_SISUSBVGA_CON
130 struct SiS_Private *SiS_Pr;
131 unsigned long scrbuf;
132 unsigned int scrbuf_size;
133 int haveconsole, con_first, con_last;
134 int havethisconsole[MAX_NR_CONSOLES];
135 int textmodedestroyed;
136 unsigned int sisusb_num_columns; /* real number, not vt's idea */
137 int cur_start_addr, con_rolled_over;
138 int sisusb_cursor_loc, bad_cursor_pos;
139 int sisusb_cursor_size_from;
140 int sisusb_cursor_size_to;
141 int current_font_height, current_font_512;
142 int font_backup_size, font_backup_height, font_backup_512;
143 char *font_backup;
144 int font_slot;
145 struct vc_data *sisusb_display_fg;
146 int is_gfx;
147 int con_blanked;
148#endif
149};
150
151#define to_sisusb_dev(d) container_of(d, struct sisusb_usb_data, kref)
152
153/* USB transport related */
154
155/* urbstatus */
156#define SU_URB_BUSY 1
157#define SU_URB_ALLOC 2
158
159/* Endpoints */
160
161#define SISUSB_EP_GFX_IN 0x0e /* gfx std packet out(0e)/in(8e) */
162#define SISUSB_EP_GFX_OUT 0x0e
163
164#define SISUSB_EP_GFX_BULK_OUT 0x01 /* gfx mem bulk out/in */
165#define SISUSB_EP_GFX_BULK_IN 0x02 /* ? 2 is "OUT" ? */
166
167#define SISUSB_EP_GFX_LBULK_OUT 0x03 /* gfx large mem bulk out */
168
169#define SISUSB_EP_UNKNOWN_04 0x04 /* ? 4 is "OUT" ? - unused */
170
171#define SISUSB_EP_BRIDGE_IN 0x0d /* Net2280 out(0d)/in(8d) */
172#define SISUSB_EP_BRIDGE_OUT 0x0d
173
174#define SISUSB_TYPE_MEM 0
175#define SISUSB_TYPE_IO 1
176
177struct sisusb_packet {
178 unsigned short header;
179 u32 address;
180 u32 data;
181} __attribute__ ((__packed__));
182
183#define CLEARPACKET(packet) memset(packet, 0, 10)
184
185/* PCI bridge related */
186
187#define SISUSB_PCI_MEMBASE 0xd0000000
188#define SISUSB_PCI_MMIOBASE 0xe4000000
189#define SISUSB_PCI_IOPORTBASE 0x0000d000
190
191#define SISUSB_PCI_PSEUDO_MEMBASE 0x10000000
192#define SISUSB_PCI_PSEUDO_MMIOBASE 0x20000000
193#define SISUSB_PCI_PSEUDO_IOPORTBASE 0x0000d000
194#define SISUSB_PCI_PSEUDO_PCIBASE 0x00010000
195
196#define SISUSB_PCI_MMIOSIZE (128*1024)
197#define SISUSB_PCI_PCONFSIZE 0x5c
198
199/* graphics core related */
200
201#define AROFFSET 0x40
202#define ARROFFSET 0x41
203#define GROFFSET 0x4e
204#define SROFFSET 0x44
205#define CROFFSET 0x54
206#define MISCROFFSET 0x4c
207#define MISCWOFFSET 0x42
208#define INPUTSTATOFFSET 0x5A
209#define PART1OFFSET 0x04
210#define PART2OFFSET 0x10
211#define PART3OFFSET 0x12
212#define PART4OFFSET 0x14
213#define PART5OFFSET 0x16
214#define CAPTUREOFFSET 0x00
215#define VIDEOOFFSET 0x02
216#define COLREGOFFSET 0x48
217#define PELMASKOFFSET 0x46
218#define VGAENABLE 0x43
219
220#define SISAR SISUSB_PCI_IOPORTBASE + AROFFSET
221#define SISARR SISUSB_PCI_IOPORTBASE + ARROFFSET
222#define SISGR SISUSB_PCI_IOPORTBASE + GROFFSET
223#define SISSR SISUSB_PCI_IOPORTBASE + SROFFSET
224#define SISCR SISUSB_PCI_IOPORTBASE + CROFFSET
225#define SISMISCR SISUSB_PCI_IOPORTBASE + MISCROFFSET
226#define SISMISCW SISUSB_PCI_IOPORTBASE + MISCWOFFSET
227#define SISINPSTAT SISUSB_PCI_IOPORTBASE + INPUTSTATOFFSET
228#define SISPART1 SISUSB_PCI_IOPORTBASE + PART1OFFSET
229#define SISPART2 SISUSB_PCI_IOPORTBASE + PART2OFFSET
230#define SISPART3 SISUSB_PCI_IOPORTBASE + PART3OFFSET
231#define SISPART4 SISUSB_PCI_IOPORTBASE + PART4OFFSET
232#define SISPART5 SISUSB_PCI_IOPORTBASE + PART5OFFSET
233#define SISCAP SISUSB_PCI_IOPORTBASE + CAPTUREOFFSET
234#define SISVID SISUSB_PCI_IOPORTBASE + VIDEOOFFSET
235#define SISCOLIDXR SISUSB_PCI_IOPORTBASE + COLREGOFFSET - 1
236#define SISCOLIDX SISUSB_PCI_IOPORTBASE + COLREGOFFSET
237#define SISCOLDATA SISUSB_PCI_IOPORTBASE + COLREGOFFSET + 1
238#define SISCOL2IDX SISPART5
239#define SISCOL2DATA SISPART5 + 1
240#define SISPEL SISUSB_PCI_IOPORTBASE + PELMASKOFFSET
241#define SISVGAEN SISUSB_PCI_IOPORTBASE + VGAENABLE
242#define SISDACA SISCOLIDX
243#define SISDACD SISCOLDATA
244
245/* ioctl related */
246
247/* Structure argument for SISUSB_GET_INFO ioctl */
248struct sisusb_info {
249 __u32 sisusb_id; /* for identifying sisusb */
250#define SISUSB_ID 0x53495355 /* Identify myself with 'SISU' */
251 __u8 sisusb_version;
252 __u8 sisusb_revision;
253 __u8 sisusb_patchlevel;
254 __u8 sisusb_gfxinit; /* graphics core initialized? */
255
256 __u32 sisusb_vrambase;
257 __u32 sisusb_mmiobase;
258 __u32 sisusb_iobase;
259 __u32 sisusb_pcibase;
260
261 __u32 sisusb_vramsize; /* framebuffer size in bytes */
262
263 __u32 sisusb_minor;
264
265 __u32 sisusb_fbdevactive; /* != 0 if framebuffer device active */
266
267 __u32 sisusb_conactive; /* != 0 if console driver active */
268
269 __u8 sisusb_reserved[28]; /* for future use */
270};
271
272struct sisusb_command {
273 __u8 operation; /* see below */
274 __u8 data0; /* operation dependent */
275 __u8 data1; /* operation dependent */
276 __u8 data2; /* operation dependent */
277 __u32 data3; /* operation dependent */
278 __u32 data4; /* for future use */
279};
280
281#define SUCMD_GET 0x01 /* for all: data0 = index, data3 = port */
282#define SUCMD_SET 0x02 /* data1 = value */
283#define SUCMD_SETOR 0x03 /* data1 = or */
284#define SUCMD_SETAND 0x04 /* data1 = and */
285#define SUCMD_SETANDOR 0x05 /* data1 = and, data2 = or */
286#define SUCMD_SETMASK 0x06 /* data1 = data, data2 = mask */
287
288#define SUCMD_CLRSCR 0x07 /* data0:1:2 = length, data3 = address */
289
290#define SUCMD_HANDLETEXTMODE 0x08 /* Reset/destroy text mode */
291
292#define SUCMD_SETMODE 0x09 /* Set a display mode (data3 = SiS mode) */
293#define SUCMD_SETVESAMODE 0x0a /* Set a display mode (data3 = VESA mode) */
294
295#define SISUSB_COMMAND _IOWR(0xF3,0x3D,struct sisusb_command)
296#define SISUSB_GET_CONFIG_SIZE _IOR(0xF3,0x3E,__u32)
297#define SISUSB_GET_CONFIG _IOR(0xF3,0x3F,struct sisusb_info)
298
299#endif /* SISUSB_H */
1/* SPDX-License-Identifier: (GPL-2.0 OR BSD-3-Clause) */
2/*
3 * sisusb - usb kernel driver for Net2280/SiS315 based USB2VGA dongles
4 *
5 * Copyright (C) 2005 by Thomas Winischhofer, Vienna, Austria
6 *
7 * If distributed as part of the Linux kernel, this code is licensed under the
8 * terms of the GPL v2.
9 *
10 * Otherwise, the following license terms apply:
11 *
12 * Redistribution and use in source and binary forms, with or without
13 * modification, are permitted provided that the following conditions
14 * are met:
15 * 1) Redistributions of source code must retain the above copyright
16 * notice, this list of conditions and the following disclaimer.
17 * 2) Redistributions in binary form must reproduce the above copyright
18 * notice, this list of conditions and the following disclaimer in the
19 * documentation and/or other materials provided with the distribution.
20 * 3) The name of the author may not be used to endorse or promote products
21 * derived from this software without specific prior written permission.
22 *
23 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESSED OR
24 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
25 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
26 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
27 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
28 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
29 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
30 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
31 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
32 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
33 *
34 * Author: Thomas Winischhofer <thomas@winischhofer.net>
35 *
36 */
37
38#ifndef _SISUSB_H_
39#define _SISUSB_H_
40
41#include <linux/mutex.h>
42
43/* Version Information */
44
45#define SISUSB_VERSION 0
46#define SISUSB_REVISION 0
47#define SISUSB_PATCHLEVEL 8
48
49/* Include console and mode switching code? */
50
51#include <linux/vt_kern.h>
52#include "sisusb_struct.h"
53
54/* USB related */
55
56#define SISUSB_MINOR 133 /* official */
57
58/* Size of the sisusb input/output buffers */
59#define SISUSB_IBUF_SIZE 0x01000
60#define SISUSB_OBUF_SIZE 0x10000 /* fixed */
61
62#define NUMOBUFS 8 /* max number of output buffers/output URBs */
63
64/* About endianness:
65 *
66 * 1) I/O ports, PCI config registers. The read/write()
67 * calls emulate inX/outX. Hence, the data is
68 * expected/delivered in machine endiannes by this
69 * driver.
70 * 2) Video memory. The data is copied 1:1. There is
71 * no swapping. Ever. This means for userland that
72 * the data has to be prepared properly. (Hint:
73 * think graphics data format, command queue,
74 * hardware cursor.)
75 * 3) MMIO. Data is copied 1:1. MMIO must be swapped
76 * properly by userland.
77 *
78 */
79
80#ifdef __BIG_ENDIAN
81#define SISUSB_CORRECT_ENDIANNESS_PACKET(p) \
82 do { \
83 p->header = cpu_to_le16(p->header); \
84 p->address = cpu_to_le32(p->address); \
85 p->data = cpu_to_le32(p->data); \
86 } while(0)
87#else
88#define SISUSB_CORRECT_ENDIANNESS_PACKET(p)
89#endif
90
91struct sisusb_usb_data;
92
93struct sisusb_urb_context { /* urb->context for outbound bulk URBs */
94 struct sisusb_usb_data *sisusb;
95 int urbindex;
96 int *actual_length;
97};
98
99struct sisusb_usb_data {
100 struct usb_device *sisusb_dev;
101 struct usb_interface *interface;
102 struct kref kref;
103 wait_queue_head_t wait_q; /* for syncind and timeouts */
104 struct mutex lock; /* general race avoidance */
105 unsigned int ifnum; /* interface number of the USB device */
106 int minor; /* minor (for logging clarity) */
107 int isopen; /* !=0 if open */
108 int present; /* !=0 if device is present on the bus */
109 int ready; /* !=0 if device is ready for userland */
110 int numobufs; /* number of obufs = number of out urbs */
111 char *obuf[NUMOBUFS], *ibuf; /* transfer buffers */
112 int obufsize, ibufsize;
113 struct urb *sisurbout[NUMOBUFS];
114 struct urb *sisurbin;
115 unsigned char urbstatus[NUMOBUFS];
116 unsigned char completein;
117 struct sisusb_urb_context urbout_context[NUMOBUFS];
118 unsigned long flagb0;
119 unsigned long vrambase; /* framebuffer base */
120 unsigned int vramsize; /* framebuffer size (bytes) */
121 unsigned long mmiobase;
122 unsigned int mmiosize;
123 unsigned long ioportbase;
124 unsigned char devinit; /* device initialized? */
125 unsigned char gfxinit; /* graphics core initialized? */
126 unsigned short chipid, chipvendor;
127 unsigned short chiprevision;
128};
129
130#define to_sisusb_dev(d) container_of(d, struct sisusb_usb_data, kref)
131
132/* USB transport related */
133
134/* urbstatus */
135#define SU_URB_BUSY 1
136#define SU_URB_ALLOC 2
137
138/* Endpoints */
139
140#define SISUSB_EP_GFX_IN 0x0e /* gfx std packet out(0e)/in(8e) */
141#define SISUSB_EP_GFX_OUT 0x0e
142
143#define SISUSB_EP_GFX_BULK_OUT 0x01 /* gfx mem bulk out/in */
144#define SISUSB_EP_GFX_BULK_IN 0x02 /* ? 2 is "OUT" ? */
145
146#define SISUSB_EP_GFX_LBULK_OUT 0x03 /* gfx large mem bulk out */
147
148#define SISUSB_EP_UNKNOWN_04 0x04 /* ? 4 is "OUT" ? - unused */
149
150#define SISUSB_EP_BRIDGE_IN 0x0d /* Net2280 out(0d)/in(8d) */
151#define SISUSB_EP_BRIDGE_OUT 0x0d
152
153#define SISUSB_TYPE_MEM 0
154#define SISUSB_TYPE_IO 1
155
156struct sisusb_packet {
157 unsigned short header;
158 u32 address;
159 u32 data;
160} __attribute__ ((__packed__));
161
162#define CLEARPACKET(packet) memset(packet, 0, 10)
163
164/* PCI bridge related */
165
166#define SISUSB_PCI_MEMBASE 0xd0000000
167#define SISUSB_PCI_MMIOBASE 0xe4000000
168#define SISUSB_PCI_IOPORTBASE 0x0000d000
169
170#define SISUSB_PCI_PSEUDO_MEMBASE 0x10000000
171#define SISUSB_PCI_PSEUDO_MMIOBASE 0x20000000
172#define SISUSB_PCI_PSEUDO_IOPORTBASE 0x0000d000
173#define SISUSB_PCI_PSEUDO_PCIBASE 0x00010000
174
175#define SISUSB_PCI_MMIOSIZE (128*1024)
176#define SISUSB_PCI_PCONFSIZE 0x5c
177
178/* graphics core related */
179
180#define AROFFSET 0x40
181#define ARROFFSET 0x41
182#define GROFFSET 0x4e
183#define SROFFSET 0x44
184#define CROFFSET 0x54
185#define MISCROFFSET 0x4c
186#define MISCWOFFSET 0x42
187#define INPUTSTATOFFSET 0x5A
188#define PART1OFFSET 0x04
189#define PART2OFFSET 0x10
190#define PART3OFFSET 0x12
191#define PART4OFFSET 0x14
192#define PART5OFFSET 0x16
193#define CAPTUREOFFSET 0x00
194#define VIDEOOFFSET 0x02
195#define COLREGOFFSET 0x48
196#define PELMASKOFFSET 0x46
197#define VGAENABLE 0x43
198
199#define SISAR SISUSB_PCI_IOPORTBASE + AROFFSET
200#define SISARR SISUSB_PCI_IOPORTBASE + ARROFFSET
201#define SISGR SISUSB_PCI_IOPORTBASE + GROFFSET
202#define SISSR SISUSB_PCI_IOPORTBASE + SROFFSET
203#define SISCR SISUSB_PCI_IOPORTBASE + CROFFSET
204#define SISMISCR SISUSB_PCI_IOPORTBASE + MISCROFFSET
205#define SISMISCW SISUSB_PCI_IOPORTBASE + MISCWOFFSET
206#define SISINPSTAT SISUSB_PCI_IOPORTBASE + INPUTSTATOFFSET
207#define SISPART1 SISUSB_PCI_IOPORTBASE + PART1OFFSET
208#define SISPART2 SISUSB_PCI_IOPORTBASE + PART2OFFSET
209#define SISPART3 SISUSB_PCI_IOPORTBASE + PART3OFFSET
210#define SISPART4 SISUSB_PCI_IOPORTBASE + PART4OFFSET
211#define SISPART5 SISUSB_PCI_IOPORTBASE + PART5OFFSET
212#define SISCAP SISUSB_PCI_IOPORTBASE + CAPTUREOFFSET
213#define SISVID SISUSB_PCI_IOPORTBASE + VIDEOOFFSET
214#define SISCOLIDXR SISUSB_PCI_IOPORTBASE + COLREGOFFSET - 1
215#define SISCOLIDX SISUSB_PCI_IOPORTBASE + COLREGOFFSET
216#define SISCOLDATA SISUSB_PCI_IOPORTBASE + COLREGOFFSET + 1
217#define SISCOL2IDX SISPART5
218#define SISCOL2DATA SISPART5 + 1
219#define SISPEL SISUSB_PCI_IOPORTBASE + PELMASKOFFSET
220#define SISVGAEN SISUSB_PCI_IOPORTBASE + VGAENABLE
221#define SISDACA SISCOLIDX
222#define SISDACD SISCOLDATA
223
224/* ioctl related */
225
226/* Structure argument for SISUSB_GET_INFO ioctl */
227struct sisusb_info {
228 __u32 sisusb_id; /* for identifying sisusb */
229#define SISUSB_ID 0x53495355 /* Identify myself with 'SISU' */
230 __u8 sisusb_version;
231 __u8 sisusb_revision;
232 __u8 sisusb_patchlevel;
233 __u8 sisusb_gfxinit; /* graphics core initialized? */
234
235 __u32 sisusb_vrambase;
236 __u32 sisusb_mmiobase;
237 __u32 sisusb_iobase;
238 __u32 sisusb_pcibase;
239
240 __u32 sisusb_vramsize; /* framebuffer size in bytes */
241
242 __u32 sisusb_minor;
243
244 __u32 sisusb_fbdevactive; /* != 0 if framebuffer device active */
245
246 __u32 sisusb_conactive; /* != 0 if console driver active */
247
248 __u8 sisusb_reserved[28]; /* for future use */
249};
250
251struct sisusb_command {
252 __u8 operation; /* see below */
253 __u8 data0; /* operation dependent */
254 __u8 data1; /* operation dependent */
255 __u8 data2; /* operation dependent */
256 __u32 data3; /* operation dependent */
257 __u32 data4; /* for future use */
258};
259
260#define SUCMD_GET 0x01 /* for all: data0 = index, data3 = port */
261#define SUCMD_SET 0x02 /* data1 = value */
262#define SUCMD_SETOR 0x03 /* data1 = or */
263#define SUCMD_SETAND 0x04 /* data1 = and */
264#define SUCMD_SETANDOR 0x05 /* data1 = and, data2 = or */
265#define SUCMD_SETMASK 0x06 /* data1 = data, data2 = mask */
266
267#define SUCMD_CLRSCR 0x07 /* data0:1:2 = length, data3 = address */
268
269#define SUCMD_HANDLETEXTMODE 0x08 /* Reset/destroy text mode */
270
271#define SUCMD_SETMODE 0x09 /* Set a display mode (data3 = SiS mode) */
272#define SUCMD_SETVESAMODE 0x0a /* Set a display mode (data3 = VESA mode) */
273
274#define SISUSB_COMMAND _IOWR(0xF3,0x3D,struct sisusb_command)
275#define SISUSB_GET_CONFIG_SIZE _IOR(0xF3,0x3E,__u32)
276#define SISUSB_GET_CONFIG _IOR(0xF3,0x3F,struct sisusb_info)
277
278#endif /* SISUSB_H */