2 * sisusb - usb kernel driver for Net2280/SiS315 based USB2VGA dongles
4 * Copyright (C) 2005 by Thomas Winischhofer, Vienna, Austria
6 * If distributed as part of the Linux kernel, this code is licensed under the
9 * Otherwise, the following license terms apply:
11 * * Redistribution and use in source and binary forms, with or without
12 * * modification, are permitted provided that the following conditions
14 * * 1) Redistributions of source code must retain the above copyright
15 * * notice, this list of conditions and the following disclaimer.
16 * * 2) Redistributions in binary form must reproduce the above copyright
17 * * notice, this list of conditions and the following disclaimer in the
18 * * documentation and/or other materials provided with the distribution.
19 * * 3) The name of the author may not be used to endorse or promote products
20 * * derived from this software without specific prior written permission.
22 * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESSED OR
23 * * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
24 * * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
25 * * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
26 * * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
27 * * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
28 * * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
29 * * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
30 * * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
31 * * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
33 * Author: Thomas Winischhofer <thomas@winischhofer.net>
41 #if LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,10)
42 #include <linux/ioctl32.h>
43 #define SISUSB_OLD_CONFIG_COMPAT
45 #define SISUSB_NEW_CONFIG_COMPAT
49 /* Version Information */
51 #define SISUSB_VERSION 0
52 #define SISUSB_REVISION 0
53 #define SISUSB_PATCHLEVEL 7
57 #define SISUSB_MINOR 133 /* FIXME */
59 /* Size of the sisusb input/output buffers */
60 #define SISUSB_IBUF_SIZE 0x01000
61 #define SISUSB_OBUF_SIZE 0x10000 /* fixed */
63 #define NUMOBUFS 8 /* max number of output buffers/output URBs */
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
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,
76 * 3) MMIO. Data is copied 1:1. MMIO must be swapped
77 * properly by userland.
82 #define SISUSB_CORRECT_ENDIANNESS_PACKET(p) \
84 p->header = cpu_to_le16(p->header); \
85 p->address = cpu_to_le32(p->address); \
86 p->data = cpu_to_le32(p->data); \
89 #define SISUSB_CORRECT_ENDIANNESS_PACKET(p)
92 struct sisusb_usb_data;
94 struct sisusb_urb_context { /* urb->context for outbound bulk URBs */
95 struct sisusb_usb_data *sisusb;
100 struct sisusb_usb_data {
101 struct usb_device *sisusb_dev;
102 struct usb_interface *interface;
104 wait_queue_head_t wait_q; /* for syncind and timeouts */
105 struct semaphore 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 #ifdef SISUSB_OLD_CONFIG_COMPAT
112 int ioctl32registered;
114 int numobufs; /* number of obufs = number of out urbs */
115 char *obuf[NUMOBUFS], *ibuf; /* transfer buffers */
116 int obufsize, ibufsize;
117 dma_addr_t transfer_dma_out[NUMOBUFS];
118 dma_addr_t transfer_dma_in;
119 struct urb *sisurbout[NUMOBUFS];
120 struct urb *sisurbin;
121 unsigned char urbstatus[NUMOBUFS];
122 unsigned char completein;
123 struct sisusb_urb_context urbout_context[NUMOBUFS];
124 unsigned long flagb0;
125 unsigned long vrambase; /* framebuffer base */
126 unsigned int vramsize; /* framebuffer size (bytes) */
127 unsigned long mmiobase;
128 unsigned int mmiosize;
129 unsigned long ioportbase;
130 unsigned char devinit; /* device initialized? */
131 unsigned char gfxinit; /* graphics core initialized? */
132 unsigned short chipid, chipvendor;
133 unsigned short chiprevision;
136 #define to_sisusb_dev(d) container_of(d, struct sisusb_usb_data, kref)
138 /* USB transport related */
141 #define SU_URB_BUSY 1
142 #define SU_URB_ALLOC 2
146 #define SISUSB_EP_GFX_IN 0x0e /* gfx std packet out(0e)/in(8e) */
147 #define SISUSB_EP_GFX_OUT 0x0e
149 #define SISUSB_EP_GFX_BULK_OUT 0x01 /* gfx mem bulk out/in */
150 #define SISUSB_EP_GFX_BULK_IN 0x02 /* ? 2 is "OUT" ? */
152 #define SISUSB_EP_GFX_LBULK_OUT 0x03 /* gfx large mem bulk out */
154 #define SISUSB_EP_UNKNOWN_04 0x04 /* ? 4 is "OUT" ? - unused */
156 #define SISUSB_EP_BRIDGE_IN 0x0d /* Net2280 out(0d)/in(8d) */
157 #define SISUSB_EP_BRIDGE_OUT 0x0d
159 #define SISUSB_TYPE_MEM 0
160 #define SISUSB_TYPE_IO 1
162 struct sisusb_packet {
163 unsigned short header;
166 } __attribute__((__packed__));
168 #define CLEARPACKET(packet) memset(packet, 0, 10)
170 /* PCI bridge related */
172 #define SISUSB_PCI_MEMBASE 0xd0000000
173 #define SISUSB_PCI_MMIOBASE 0xe4000000
174 #define SISUSB_PCI_IOPORTBASE 0x0000d000
176 #define SISUSB_PCI_PSEUDO_MEMBASE 0x10000000
177 #define SISUSB_PCI_PSEUDO_MMIOBASE 0x20000000
178 #define SISUSB_PCI_PSEUDO_IOPORTBASE 0x0000d000
179 #define SISUSB_PCI_PSEUDO_PCIBASE 0x00010000
181 #define SISUSB_PCI_MMIOSIZE (128*1024)
182 #define SISUSB_PCI_PCONFSIZE 0x5c
184 /* graphics core related */
186 #define AROFFSET 0x40
187 #define ARROFFSET 0x41
188 #define GROFFSET 0x4e
189 #define SROFFSET 0x44
190 #define CROFFSET 0x54
191 #define MISCROFFSET 0x4c
192 #define MISCWOFFSET 0x42
193 #define INPUTSTATOFFSET 0x5A
194 #define PART1OFFSET 0x04
195 #define PART2OFFSET 0x10
196 #define PART3OFFSET 0x12
197 #define PART4OFFSET 0x14
198 #define PART5OFFSET 0x16
199 #define CAPTUREOFFSET 0x00
200 #define VIDEOOFFSET 0x02
201 #define COLREGOFFSET 0x48
202 #define PELMASKOFFSET 0x46
203 #define VGAENABLE 0x43
205 #define SISAR SISUSB_PCI_IOPORTBASE + AROFFSET
206 #define SISARR SISUSB_PCI_IOPORTBASE + ARROFFSET
207 #define SISGR SISUSB_PCI_IOPORTBASE + GROFFSET
208 #define SISSR SISUSB_PCI_IOPORTBASE + SROFFSET
209 #define SISCR SISUSB_PCI_IOPORTBASE + CROFFSET
210 #define SISMISCR SISUSB_PCI_IOPORTBASE + MISCROFFSET
211 #define SISMISCW SISUSB_PCI_IOPORTBASE + MISCWOFFSET
212 #define SISINPSTAT SISUSB_PCI_IOPORTBASE + INPUTSTATOFFSET
213 #define SISPART1 SISUSB_PCI_IOPORTBASE + PART1OFFSET
214 #define SISPART2 SISUSB_PCI_IOPORTBASE + PART2OFFSET
215 #define SISPART3 SISUSB_PCI_IOPORTBASE + PART3OFFSET
216 #define SISPART4 SISUSB_PCI_IOPORTBASE + PART4OFFSET
217 #define SISPART5 SISUSB_PCI_IOPORTBASE + PART5OFFSET
218 #define SISCAP SISUSB_PCI_IOPORTBASE + CAPTUREOFFSET
219 #define SISVID SISUSB_PCI_IOPORTBASE + VIDEOOFFSET
220 #define SISCOLIDXR SISUSB_PCI_IOPORTBASE + COLREGOFFSET - 1
221 #define SISCOLIDX SISUSB_PCI_IOPORTBASE + COLREGOFFSET
222 #define SISCOLDATA SISUSB_PCI_IOPORTBASE + COLREGOFFSET + 1
223 #define SISCOL2IDX SISPART5
224 #define SISCOL2DATA SISPART5 + 1
225 #define SISPEL SISUSB_PCI_IOPORTBASE + PELMASKOFFSET
226 #define SISVGAEN SISUSB_PCI_IOPORTBASE + VGAENABLE
227 #define SISDACA SISCOLIDX
228 #define SISDACD SISCOLDATA
232 /* Structure argument for SISUSB_GET_INFO ioctl */
234 __u32 sisusb_id; /* for identifying sisusb */
235 #define SISUSB_ID 0x53495355 /* Identify myself with 'SISU' */
237 __u8 sisusb_revision;
238 __u8 sisusb_patchlevel;
239 __u8 sisusb_gfxinit; /* graphics core initialized? */
241 __u32 sisusb_vrambase;
242 __u32 sisusb_mmiobase;
244 __u32 sisusb_pcibase;
246 __u32 sisusb_vramsize; /* framebuffer size in bytes */
250 __u32 sisusb_fbdevactive; /* != 0 if framebuffer device active */
252 __u8 sisusb_reserved[32]; /* for future use */
255 struct sisusb_command {
256 __u8 operation; /* see below */
257 __u8 data0; /* operation dependent */
258 __u8 data1; /* operation dependent */
259 __u8 data2; /* operation dependent */
260 __u32 data3; /* operation dependent */
261 __u32 data4; /* for future use */
264 #define SUCMD_GET 0x01 /* for all: data0 = index, data3 = port */
265 #define SUCMD_SET 0x02 /* data1 = value */
266 #define SUCMD_SETOR 0x03 /* data1 = or */
267 #define SUCMD_SETAND 0x04 /* data1 = and */
268 #define SUCMD_SETANDOR 0x05 /* data1 = and, data2 = or */
269 #define SUCMD_SETMASK 0x06 /* data1 = data, data2 = mask */
271 #define SUCMD_CLRSCR 0x07 /* data0:1:2 = length, data3 = address */
273 #define SISUSB_COMMAND _IOWR(0xF3,0x3D,struct sisusb_command)
274 #define SISUSB_GET_CONFIG_SIZE _IOR(0xF3,0x3E,__u32)
275 #define SISUSB_GET_CONFIG _IOR(0xF3,0x3F,struct sisusb_info)
277 #endif /* SISUSB_H */