diff options
author | Antoine Jacquet <royale@zerezo.com> | 2007-04-27 11:30:59 -0400 |
---|---|---|
committer | Mauro Carvalho Chehab <mchehab@infradead.org> | 2007-04-27 14:43:17 -0400 |
commit | b7eee616ad8db5db5441a7d82083003df3ab6d3b (patch) | |
tree | 10cf679ba1ff49a14f335e4147df52a69e9f1ff5 /drivers | |
parent | a205752d1ad2d37d6597aaae5a56fc396a770868 (diff) |
V4L/DVB (5257): USB: add zr364xx V4L2 driver
This patch adds a V4L2 driver giving support for USB webcams based on the
zr364xx chipsets.
Signed-off-by: Antoine Jacquet <royale@zerezo.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
Diffstat (limited to 'drivers')
-rw-r--r-- | drivers/media/video/Kconfig | 12 | ||||
-rw-r--r-- | drivers/media/video/Makefile | 1 | ||||
-rw-r--r-- | drivers/media/video/zr364xx.c | 929 |
3 files changed, 942 insertions, 0 deletions
diff --git a/drivers/media/video/Kconfig b/drivers/media/video/Kconfig index 7a6105153f23..fa0a87679190 100644 --- a/drivers/media/video/Kconfig +++ b/drivers/media/video/Kconfig | |||
@@ -761,6 +761,18 @@ source "drivers/media/video/zc0301/Kconfig" | |||
761 | 761 | ||
762 | source "drivers/media/video/pwc/Kconfig" | 762 | source "drivers/media/video/pwc/Kconfig" |
763 | 763 | ||
764 | config USB_ZR364XX | ||
765 | tristate "USB ZR364XX Camera support" | ||
766 | depends on USB && VIDEO_V4L2 | ||
767 | ---help--- | ||
768 | Say Y here if you want to connect this type of camera to your | ||
769 | computer's USB port. | ||
770 | See <file:Documentation/video4linux/zr364xx.txt> for more info | ||
771 | and list of supported cameras. | ||
772 | |||
773 | To compile this driver as a module, choose M here: the | ||
774 | module will be called zr364xx. | ||
775 | |||
764 | endmenu # V4L USB devices | 776 | endmenu # V4L USB devices |
765 | 777 | ||
766 | endmenu | 778 | endmenu |
diff --git a/drivers/media/video/Makefile b/drivers/media/video/Makefile index 44ccaed40b49..384f01c133c5 100644 --- a/drivers/media/video/Makefile +++ b/drivers/media/video/Makefile | |||
@@ -99,6 +99,7 @@ obj-$(CONFIG_USB_OV511) += ov511.o | |||
99 | obj-$(CONFIG_USB_SE401) += se401.o | 99 | obj-$(CONFIG_USB_SE401) += se401.o |
100 | obj-$(CONFIG_USB_STV680) += stv680.o | 100 | obj-$(CONFIG_USB_STV680) += stv680.o |
101 | obj-$(CONFIG_USB_W9968CF) += w9968cf.o | 101 | obj-$(CONFIG_USB_W9968CF) += w9968cf.o |
102 | obj-$(CONFIG_USB_ZR364XX) += zr364xx.o | ||
102 | 103 | ||
103 | obj-$(CONFIG_USB_SN9C102) += sn9c102/ | 104 | obj-$(CONFIG_USB_SN9C102) += sn9c102/ |
104 | obj-$(CONFIG_USB_ET61X251) += et61x251/ | 105 | obj-$(CONFIG_USB_ET61X251) += et61x251/ |
diff --git a/drivers/media/video/zr364xx.c b/drivers/media/video/zr364xx.c new file mode 100644 index 000000000000..c055cf017cf5 --- /dev/null +++ b/drivers/media/video/zr364xx.c | |||
@@ -0,0 +1,929 @@ | |||
1 | /* | ||
2 | * Zoran 364xx based USB webcam module version 0.72 | ||
3 | * | ||
4 | * Allows you to use your USB webcam with V4L2 applications | ||
5 | * This is still in heavy developpement ! | ||
6 | * | ||
7 | * Copyright (C) 2004 Antoine Jacquet <royale@zerezo.com> | ||
8 | * http://royale.zerezo.com/zr364xx/ | ||
9 | * | ||
10 | * Heavily inspired by usb-skeleton.c, vicam.c, cpia.c and spca50x.c drivers | ||
11 | * V4L2 version inspired by meye.c driver | ||
12 | * | ||
13 | * This program is free software; you can redistribute it and/or modify | ||
14 | * it under the terms of the GNU General Public License as published by | ||
15 | * the Free Software Foundation; either version 2 of the License, or | ||
16 | * (at your option) any later version. | ||
17 | * | ||
18 | * This program is distributed in the hope that it will be useful, | ||
19 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
20 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
21 | * GNU General Public License for more details. | ||
22 | * | ||
23 | * You should have received a copy of the GNU General Public License | ||
24 | * along with this program; if not, write to the Free Software | ||
25 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | ||
26 | */ | ||
27 | |||
28 | |||
29 | #include <linux/version.h> | ||
30 | #include <linux/module.h> | ||
31 | #include <linux/init.h> | ||
32 | #include <linux/usb.h> | ||
33 | #include <linux/vmalloc.h> | ||
34 | #include <linux/slab.h> | ||
35 | #include <linux/proc_fs.h> | ||
36 | #include <media/v4l2-common.h> | ||
37 | |||
38 | |||
39 | /* Version Information */ | ||
40 | #define DRIVER_VERSION "v0.72" | ||
41 | #define DRIVER_AUTHOR "Antoine Jacquet, http://royale.zerezo.com/" | ||
42 | #define DRIVER_DESC "Zoran 364xx" | ||
43 | |||
44 | |||
45 | /* Camera */ | ||
46 | #define FRAMES 2 | ||
47 | #define MAX_FRAME_SIZE 100000 | ||
48 | #define BUFFER_SIZE 0x1000 | ||
49 | #define CTRL_TIMEOUT 500 | ||
50 | |||
51 | |||
52 | /* Debug macro */ | ||
53 | #define DBG(x...) if (debug) info(x) | ||
54 | |||
55 | |||
56 | /* Init methods, need to find nicer names for these | ||
57 | * the exact names of the chipsets would be the best if someone finds it */ | ||
58 | #define METHOD0 0 | ||
59 | #define METHOD1 1 | ||
60 | #define METHOD2 2 | ||
61 | |||
62 | |||
63 | /* Module parameters */ | ||
64 | static int debug = 0; | ||
65 | static int mode = 0; | ||
66 | |||
67 | |||
68 | /* Module parameters interface */ | ||
69 | module_param(debug, int, 0644); | ||
70 | MODULE_PARM_DESC(debug, "Debug level"); | ||
71 | module_param(mode, int, 0644); | ||
72 | MODULE_PARM_DESC(mode, "0 = 320x240, 1 = 160x120, 2 = 640x480"); | ||
73 | |||
74 | |||
75 | /* Devices supported by this driver | ||
76 | * .driver_info contains the init method used by the camera */ | ||
77 | static struct usb_device_id device_table[] = { | ||
78 | {USB_DEVICE(0x08ca, 0x0109), .driver_info = METHOD0 }, | ||
79 | {USB_DEVICE(0x041e, 0x4024), .driver_info = METHOD0 }, | ||
80 | {USB_DEVICE(0x0d64, 0x0108), .driver_info = METHOD0 }, | ||
81 | {USB_DEVICE(0x0546, 0x3187), .driver_info = METHOD0 }, | ||
82 | {USB_DEVICE(0x0d64, 0x3108), .driver_info = METHOD0 }, | ||
83 | {USB_DEVICE(0x0595, 0x4343), .driver_info = METHOD0 }, | ||
84 | {USB_DEVICE(0x0bb0, 0x500d), .driver_info = METHOD0 }, | ||
85 | {USB_DEVICE(0x0feb, 0x2004), .driver_info = METHOD0 }, | ||
86 | {USB_DEVICE(0x055f, 0xb500), .driver_info = METHOD0 }, | ||
87 | {USB_DEVICE(0x08ca, 0x2062), .driver_info = METHOD2 }, | ||
88 | {USB_DEVICE(0x052b, 0x1a18), .driver_info = METHOD1 }, | ||
89 | {USB_DEVICE(0x04c8, 0x0729), .driver_info = METHOD0 }, | ||
90 | {USB_DEVICE(0x04f2, 0xa208), .driver_info = METHOD0 }, | ||
91 | {USB_DEVICE(0x0784, 0x0040), .driver_info = METHOD1 }, | ||
92 | {USB_DEVICE(0x06d6, 0x0034), .driver_info = METHOD0 }, | ||
93 | {USB_DEVICE(0x0a17, 0x0062), .driver_info = METHOD2 }, | ||
94 | {} /* Terminating entry */ | ||
95 | }; | ||
96 | |||
97 | MODULE_DEVICE_TABLE(usb, device_table); | ||
98 | |||
99 | |||
100 | /* Camera stuff */ | ||
101 | struct zr364xx_camera { | ||
102 | struct usb_device *udev; /* save off the usb device pointer */ | ||
103 | struct usb_interface *interface;/* the interface for this device */ | ||
104 | struct video_device *vdev; /* v4l video device */ | ||
105 | u8 *framebuf; | ||
106 | int nb; | ||
107 | unsigned char *buffer; | ||
108 | int skip; | ||
109 | int brightness; | ||
110 | int width; | ||
111 | int height; | ||
112 | int method; | ||
113 | struct mutex lock; | ||
114 | }; | ||
115 | |||
116 | |||
117 | /* function used to send initialisation commands to the camera */ | ||
118 | static int send_control_msg(struct usb_device *udev, u8 request, u16 value, | ||
119 | u16 index, unsigned char *cp, u16 size) | ||
120 | { | ||
121 | int status; | ||
122 | |||
123 | unsigned char *transfer_buffer = kmalloc(size, GFP_KERNEL); | ||
124 | if (!transfer_buffer) { | ||
125 | info("kmalloc(%d) failed", size); | ||
126 | return -ENOMEM; | ||
127 | } | ||
128 | |||
129 | memcpy(transfer_buffer, cp, size); | ||
130 | |||
131 | status = usb_control_msg(udev, | ||
132 | usb_sndctrlpipe(udev, 0), | ||
133 | request, | ||
134 | USB_DIR_OUT | USB_TYPE_VENDOR | | ||
135 | USB_RECIP_DEVICE, value, index, | ||
136 | transfer_buffer, size, CTRL_TIMEOUT); | ||
137 | |||
138 | kfree(transfer_buffer); | ||
139 | |||
140 | if (status < 0) | ||
141 | info("Failed sending control message, error %d.", status); | ||
142 | |||
143 | return status; | ||
144 | } | ||
145 | |||
146 | |||
147 | /* Control messages sent to the camera to initialize it | ||
148 | * and launch the capture */ | ||
149 | typedef struct { | ||
150 | unsigned int value; | ||
151 | unsigned int size; | ||
152 | unsigned char *bytes; | ||
153 | } message; | ||
154 | |||
155 | /* method 0 */ | ||
156 | static unsigned char m0d1[] = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }; | ||
157 | static unsigned char m0d2[] = { 0, 0, 0, 0, 0, 0 }; | ||
158 | static unsigned char m0d3[] = { 0, 0 }; | ||
159 | static message m0[] = { | ||
160 | {0x1f30, 0, NULL}, | ||
161 | {0xd000, 0, NULL}, | ||
162 | {0x3370, sizeof(m0d1), m0d1}, | ||
163 | {0x2000, 0, NULL}, | ||
164 | {0x2f0f, 0, NULL}, | ||
165 | {0x2610, sizeof(m0d2), m0d2}, | ||
166 | {0xe107, 0, NULL}, | ||
167 | {0x2502, 0, NULL}, | ||
168 | {0x1f70, 0, NULL}, | ||
169 | {0xd000, 0, NULL}, | ||
170 | {0x9a01, sizeof(m0d3), m0d3}, | ||
171 | {-1, -1, NULL} | ||
172 | }; | ||
173 | |||
174 | /* method 1 */ | ||
175 | static unsigned char m1d1[] = { 0xff, 0xff }; | ||
176 | static unsigned char m1d2[] = { 0x00, 0x00 }; | ||
177 | static message m1[] = { | ||
178 | {0x1f30, 0, NULL}, | ||
179 | {0xd000, 0, NULL}, | ||
180 | {0xf000, 0, NULL}, | ||
181 | {0x2000, 0, NULL}, | ||
182 | {0x2f0f, 0, NULL}, | ||
183 | {0x2650, 0, NULL}, | ||
184 | {0xe107, 0, NULL}, | ||
185 | {0x2502, sizeof(m1d1), m1d1}, | ||
186 | {0x1f70, 0, NULL}, | ||
187 | {0xd000, 0, NULL}, | ||
188 | {0xd000, 0, NULL}, | ||
189 | {0xd000, 0, NULL}, | ||
190 | {0x9a01, sizeof(m1d2), m1d2}, | ||
191 | {-1, -1, NULL} | ||
192 | }; | ||
193 | |||
194 | /* method 2 */ | ||
195 | static unsigned char m2d1[] = { 0xff, 0xff }; | ||
196 | static message m2[] = { | ||
197 | {0x1f30, 0, NULL}, | ||
198 | {0xf000, 0, NULL}, | ||
199 | {0x2000, 0, NULL}, | ||
200 | {0x2f0f, 0, NULL}, | ||
201 | {0x2650, 0, NULL}, | ||
202 | {0xe107, 0, NULL}, | ||
203 | {0x2502, sizeof(m2d1), m2d1}, | ||
204 | {0x1f70, 0, NULL}, | ||
205 | {-1, -1, NULL} | ||
206 | }; | ||
207 | |||
208 | /* init table */ | ||
209 | static message *init[3] = { m0, m1, m2 }; | ||
210 | |||
211 | |||
212 | /* JPEG static data in header (Huffman table, etc) */ | ||
213 | static unsigned char header1[] = { | ||
214 | 0xFF, 0xD8, | ||
215 | /* | ||
216 | 0xFF, 0xE0, 0x00, 0x10, 'J', 'F', 'I', 'F', | ||
217 | 0x00, 0x01, 0x01, 0x00, 0x33, 0x8A, 0x00, 0x00, 0x33, 0x88, | ||
218 | */ | ||
219 | 0xFF, 0xDB, 0x00, 0x84 | ||
220 | }; | ||
221 | static unsigned char header2[] = { | ||
222 | 0xFF, 0xC4, 0x00, 0x1F, 0x00, 0x00, 0x01, 0x05, 0x01, 0x01, 0x01, | ||
223 | 0x01, 0x01, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | ||
224 | 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0A, 0x0B, | ||
225 | 0xFF, 0xC4, 0x00, 0xB5, 0x10, 0x00, 0x02, 0x01, 0x03, 0x03, 0x02, | ||
226 | 0x04, 0x03, 0x05, 0x05, 0x04, 0x04, 0x00, 0x00, 0x01, 0x7D, 0x01, | ||
227 | 0x02, 0x03, 0x00, 0x04, 0x11, 0x05, 0x12, 0x21, 0x31, 0x41, 0x06, | ||
228 | 0x13, 0x51, 0x61, 0x07, 0x22, 0x71, 0x14, 0x32, 0x81, 0x91, 0xA1, | ||
229 | 0x08, 0x23, 0x42, 0xB1, 0xC1, 0x15, 0x52, 0xD1, 0xF0, 0x24, 0x33, | ||
230 | 0x62, 0x72, 0x82, 0x09, 0x0A, 0x16, 0x17, 0x18, 0x19, 0x1A, 0x25, | ||
231 | 0x26, 0x27, 0x28, 0x29, 0x2A, 0x34, 0x35, 0x36, 0x37, 0x38, 0x39, | ||
232 | 0x3A, 0x43, 0x44, 0x45, 0x46, 0x47, 0x48, 0x49, 0x4A, 0x53, 0x54, | ||
233 | 0x55, 0x56, 0x57, 0x58, 0x59, 0x5A, 0x63, 0x64, 0x65, 0x66, 0x67, | ||
234 | 0x68, 0x69, 0x6A, 0x73, 0x74, 0x75, 0x76, 0x77, 0x78, 0x79, 0x7A, | ||
235 | 0x83, 0x84, 0x85, 0x86, 0x87, 0x88, 0x89, 0x8A, 0x92, 0x93, 0x94, | ||
236 | 0x95, 0x96, 0x97, 0x98, 0x99, 0x9A, 0xA2, 0xA3, 0xA4, 0xA5, 0xA6, | ||
237 | 0xA7, 0xA8, 0xA9, 0xAA, 0xB2, 0xB3, 0xB4, 0xB5, 0xB6, 0xB7, 0xB8, | ||
238 | 0xB9, 0xBA, 0xC2, 0xC3, 0xC4, 0xC5, 0xC6, 0xC7, 0xC8, 0xC9, 0xCA, | ||
239 | 0xD2, 0xD3, 0xD4, 0xD5, 0xD6, 0xD7, 0xD8, 0xD9, 0xDA, 0xE1, 0xE2, | ||
240 | 0xE3, 0xE4, 0xE5, 0xE6, 0xE7, 0xE8, 0xE9, 0xEA, 0xF1, 0xF2, 0xF3, | ||
241 | 0xF4, 0xF5, 0xF6, 0xF7, 0xF8, 0xF9, 0xFA, 0xFF, 0xC4, 0x00, 0x1F, | ||
242 | 0x01, 0x00, 0x03, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, | ||
243 | 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x02, 0x03, 0x04, | ||
244 | 0x05, 0x06, 0x07, 0x08, 0x09, 0x0A, 0x0B, 0xFF, 0xC4, 0x00, 0xB5, | ||
245 | 0x11, 0x00, 0x02, 0x01, 0x02, 0x04, 0x04, 0x03, 0x04, 0x07, 0x05, | ||
246 | 0x04, 0x04, 0x00, 0x01, 0x02, 0x77, 0x00, 0x01, 0x02, 0x03, 0x11, | ||
247 | 0x04, 0x05, 0x21, 0x31, 0x06, 0x12, 0x41, 0x51, 0x07, 0x61, 0x71, | ||
248 | 0x13, 0x22, 0x32, 0x81, 0x08, 0x14, 0x42, 0x91, 0xA1, 0xB1, 0xC1, | ||
249 | 0x09, 0x23, 0x33, 0x52, 0xF0, 0x15, 0x62, 0x72, 0xD1, 0x0A, 0x16, | ||
250 | 0x24, 0x34, 0xE1, 0x25, 0xF1, 0x17, 0x18, 0x19, 0x1A, 0x26, 0x27, | ||
251 | 0x28, 0x29, 0x2A, 0x35, 0x36, 0x37, 0x38, 0x39, 0x3A, 0x43, 0x44, | ||
252 | 0x45, 0x46, 0x47, 0x48, 0x49, 0x4A, 0x53, 0x54, 0x55, 0x56, 0x57, | ||
253 | 0x58, 0x59, 0x5A, 0x63, 0x64, 0x65, 0x66, 0x67, 0x68, 0x69, 0x6A, | ||
254 | 0x73, 0x74, 0x75, 0x76, 0x77, 0x78, 0x79, 0x7A, 0x82, 0x83, 0x84, | ||
255 | 0x85, 0x86, 0x87, 0x88, 0x89, 0x8A, 0x92, 0x93, 0x94, 0x95, 0x96, | ||
256 | 0x97, 0x98, 0x99, 0x9A, 0xA2, 0xA3, 0xA4, 0xA5, 0xA6, 0xA7, 0xA8, | ||
257 | 0xA9, 0xAA, 0xB2, 0xB3, 0xB4, 0xB5, 0xB6, 0xB7, 0xB8, 0xB9, 0xBA, | ||
258 | 0xC2, 0xC3, 0xC4, 0xC5, 0xC6, 0xC7, 0xC8, 0xC9, 0xCA, 0xD2, 0xD3, | ||
259 | 0xD4, 0xD5, 0xD6, 0xD7, 0xD8, 0xD9, 0xDA, 0xE2, 0xE3, 0xE4, 0xE5, | ||
260 | 0xE6, 0xE7, 0xE8, 0xE9, 0xEA, 0xF2, 0xF3, 0xF4, 0xF5, 0xF6, 0xF7, | ||
261 | 0xF8, 0xF9, 0xFA, 0xFF, 0xC0, 0x00, 0x11, 0x08, 0x00, 0xF0, 0x01, | ||
262 | 0x40, 0x03, 0x01, 0x21, 0x00, 0x02, 0x11, 0x01, 0x03, 0x11, 0x01, | ||
263 | 0xFF, 0xDA, 0x00, 0x0C, 0x03, 0x01, 0x00, 0x02, 0x11, 0x03, 0x11, | ||
264 | 0x00, 0x3F, 0x00 | ||
265 | }; | ||
266 | static unsigned char header3; | ||
267 | |||
268 | |||
269 | |||
270 | /********************/ | ||
271 | /* V4L2 integration */ | ||
272 | /********************/ | ||
273 | |||
274 | /* this function reads a full JPEG picture synchronously | ||
275 | * TODO: do it asynchronously... */ | ||
276 | static int read_frame(struct zr364xx_camera *cam, int framenum) | ||
277 | { | ||
278 | int i, n, temp, head, size, actual_length; | ||
279 | unsigned char *ptr = NULL, *jpeg, swap; | ||
280 | |||
281 | redo: | ||
282 | /* hardware brightness */ | ||
283 | n = send_control_msg(cam->udev, 1, 0x2001, 0, NULL, 0); | ||
284 | temp = (0x60 << 8) + 127 - cam->brightness; | ||
285 | n = send_control_msg(cam->udev, 1, temp, 0, NULL, 0); | ||
286 | |||
287 | /* during the first loop we are going to insert JPEG header */ | ||
288 | head = 0; | ||
289 | /* this is the place in memory where we are going to build | ||
290 | * the JPEG image */ | ||
291 | jpeg = cam->framebuf + framenum * MAX_FRAME_SIZE; | ||
292 | /* read data... */ | ||
293 | do { | ||
294 | n = usb_bulk_msg(cam->udev, | ||
295 | usb_rcvbulkpipe(cam->udev, 0x81), | ||
296 | cam->buffer, BUFFER_SIZE, &actual_length, | ||
297 | CTRL_TIMEOUT); | ||
298 | DBG("buffer : %d %d", cam->buffer[0], cam->buffer[1]); | ||
299 | DBG("bulk : n=%d size=%d", n, actual_length); | ||
300 | if (n < 0) { | ||
301 | info("error reading bulk msg"); | ||
302 | return 0; | ||
303 | } | ||
304 | if (actual_length < 0 || actual_length > BUFFER_SIZE) { | ||
305 | info("wrong number of bytes"); | ||
306 | return 0; | ||
307 | } | ||
308 | |||
309 | /* swap bytes if camera needs it */ | ||
310 | if (cam->method == METHOD0) | ||
311 | for (i = 0; i < BUFFER_SIZE; i += 2) { | ||
312 | swap = cam->buffer[i]; | ||
313 | cam->buffer[i] = cam->buffer[i + 1]; | ||
314 | cam->buffer[i + 1] = swap; | ||
315 | } | ||
316 | |||
317 | /* write the JPEG header */ | ||
318 | if (!head) { | ||
319 | DBG("jpeg header"); | ||
320 | ptr = jpeg; | ||
321 | memcpy(ptr, header1, sizeof(header1)); | ||
322 | ptr += sizeof(header1); | ||
323 | header3 = 0; | ||
324 | memcpy(ptr, &header3, 1); | ||
325 | ptr++; | ||
326 | memcpy(ptr, cam->buffer, 64); | ||
327 | ptr += 64; | ||
328 | header3 = 1; | ||
329 | memcpy(ptr, &header3, 1); | ||
330 | ptr++; | ||
331 | memcpy(ptr, cam->buffer + 64, 64); | ||
332 | ptr += 64; | ||
333 | memcpy(ptr, header2, sizeof(header2)); | ||
334 | ptr += sizeof(header2); | ||
335 | memcpy(ptr, cam->buffer + 128, | ||
336 | actual_length - 128); | ||
337 | ptr += actual_length - 128; | ||
338 | head = 1; | ||
339 | DBG("header : %d %d %d %d %d %d %d %d %d", | ||
340 | cam->buffer[0], cam->buffer[1], cam->buffer[2], | ||
341 | cam->buffer[3], cam->buffer[4], cam->buffer[5], | ||
342 | cam->buffer[6], cam->buffer[7], cam->buffer[8]); | ||
343 | } else { | ||
344 | memcpy(ptr, cam->buffer, actual_length); | ||
345 | ptr += actual_length; | ||
346 | } | ||
347 | } | ||
348 | /* ... until there is no more */ | ||
349 | while (actual_length == BUFFER_SIZE); | ||
350 | |||
351 | /* we skip the 2 first frames which are usually buggy */ | ||
352 | if (cam->skip) { | ||
353 | cam->skip--; | ||
354 | goto redo; | ||
355 | } | ||
356 | |||
357 | /* go back to find the JPEG EOI marker */ | ||
358 | size = ptr - jpeg; | ||
359 | ptr -= 2; | ||
360 | while (ptr > jpeg) { | ||
361 | if (*ptr == 0xFF && *(ptr + 1) == 0xD9 | ||
362 | && *(ptr + 2) == 0xFF) | ||
363 | break; | ||
364 | ptr--; | ||
365 | } | ||
366 | if (ptr == jpeg) | ||
367 | DBG("No EOI marker"); | ||
368 | |||
369 | /* Sometimes there is junk data in the middle of the picture, | ||
370 | * we want to skip this bogus frames */ | ||
371 | while (ptr > jpeg) { | ||
372 | if (*ptr == 0xFF && *(ptr + 1) == 0xFF | ||
373 | && *(ptr + 2) == 0xFF) | ||
374 | break; | ||
375 | ptr--; | ||
376 | } | ||
377 | if (ptr != jpeg) { | ||
378 | DBG("Bogus frame ? %d", cam->nb); | ||
379 | goto redo; | ||
380 | } | ||
381 | |||
382 | DBG("jpeg : %d %d %d %d %d %d %d %d", | ||
383 | jpeg[0], jpeg[1], jpeg[2], jpeg[3], | ||
384 | jpeg[4], jpeg[5], jpeg[6], jpeg[7]); | ||
385 | |||
386 | return size; | ||
387 | } | ||
388 | |||
389 | |||
390 | static ssize_t zr364xx_read(struct file *file, char *buf, size_t cnt, | ||
391 | loff_t * ppos) | ||
392 | { | ||
393 | unsigned long count = cnt; | ||
394 | struct video_device *vdev = video_devdata(file); | ||
395 | struct zr364xx_camera *cam; | ||
396 | |||
397 | DBG("zr364xx_read: read %d bytes.", (int) count); | ||
398 | |||
399 | if (vdev == NULL) | ||
400 | return -ENODEV; | ||
401 | cam = video_get_drvdata(vdev); | ||
402 | |||
403 | if (!buf) | ||
404 | return -EINVAL; | ||
405 | |||
406 | if (!count) | ||
407 | return -EINVAL; | ||
408 | |||
409 | /* NoMan Sux ! */ | ||
410 | count = read_frame(cam, 0); | ||
411 | |||
412 | if (copy_to_user(buf, cam->framebuf, count)) | ||
413 | return -EFAULT; | ||
414 | |||
415 | return count; | ||
416 | } | ||
417 | |||
418 | |||
419 | static int zr364xx_vidioc_querycap(struct file *file, void *priv, | ||
420 | struct v4l2_capability *cap) | ||
421 | { | ||
422 | memset(cap, 0, sizeof(*cap)); | ||
423 | strcpy(cap->driver, DRIVER_DESC); | ||
424 | cap->capabilities = V4L2_CAP_VIDEO_CAPTURE | V4L2_CAP_READWRITE; | ||
425 | return 0; | ||
426 | } | ||
427 | |||
428 | static int zr364xx_vidioc_enum_input(struct file *file, void *priv, | ||
429 | struct v4l2_input *i) | ||
430 | { | ||
431 | if (i->index != 0) | ||
432 | return -EINVAL; | ||
433 | memset(i, 0, sizeof(*i)); | ||
434 | i->index = 0; | ||
435 | strcpy(i->name, DRIVER_DESC " Camera"); | ||
436 | i->type = V4L2_INPUT_TYPE_CAMERA; | ||
437 | return 0; | ||
438 | } | ||
439 | |||
440 | static int zr364xx_vidioc_g_input(struct file *file, void *priv, | ||
441 | unsigned int *i) | ||
442 | { | ||
443 | *i = 0; | ||
444 | return 0; | ||
445 | } | ||
446 | |||
447 | static int zr364xx_vidioc_s_input(struct file *file, void *priv, | ||
448 | unsigned int i) | ||
449 | { | ||
450 | if (i != 0) | ||
451 | return -EINVAL; | ||
452 | return 0; | ||
453 | } | ||
454 | |||
455 | static int zr364xx_vidioc_queryctrl(struct file *file, void *priv, | ||
456 | struct v4l2_queryctrl *c) | ||
457 | { | ||
458 | struct video_device *vdev = video_devdata(file); | ||
459 | struct zr364xx_camera *cam; | ||
460 | |||
461 | if (vdev == NULL) | ||
462 | return -ENODEV; | ||
463 | cam = video_get_drvdata(vdev); | ||
464 | |||
465 | switch (c->id) { | ||
466 | case V4L2_CID_BRIGHTNESS: | ||
467 | c->type = V4L2_CTRL_TYPE_INTEGER; | ||
468 | strcpy(c->name, "Brightness"); | ||
469 | c->minimum = 0; | ||
470 | c->maximum = 127; | ||
471 | c->step = 1; | ||
472 | c->default_value = cam->brightness; | ||
473 | c->flags = 0; | ||
474 | break; | ||
475 | default: | ||
476 | return -EINVAL; | ||
477 | } | ||
478 | return 0; | ||
479 | } | ||
480 | |||
481 | static int zr364xx_vidioc_s_ctrl(struct file *file, void *priv, | ||
482 | struct v4l2_control *c) | ||
483 | { | ||
484 | struct video_device *vdev = video_devdata(file); | ||
485 | struct zr364xx_camera *cam; | ||
486 | |||
487 | if (vdev == NULL) | ||
488 | return -ENODEV; | ||
489 | cam = video_get_drvdata(vdev); | ||
490 | |||
491 | switch (c->id) { | ||
492 | case V4L2_CID_BRIGHTNESS: | ||
493 | cam->brightness = c->value; | ||
494 | break; | ||
495 | default: | ||
496 | return -EINVAL; | ||
497 | } | ||
498 | return 0; | ||
499 | } | ||
500 | |||
501 | static int zr364xx_vidioc_g_ctrl(struct file *file, void *priv, | ||
502 | struct v4l2_control *c) | ||
503 | { | ||
504 | struct video_device *vdev = video_devdata(file); | ||
505 | struct zr364xx_camera *cam; | ||
506 | |||
507 | if (vdev == NULL) | ||
508 | return -ENODEV; | ||
509 | cam = video_get_drvdata(vdev); | ||
510 | |||
511 | switch (c->id) { | ||
512 | case V4L2_CID_BRIGHTNESS: | ||
513 | c->value = cam->brightness; | ||
514 | break; | ||
515 | default: | ||
516 | return -EINVAL; | ||
517 | } | ||
518 | return 0; | ||
519 | } | ||
520 | |||
521 | static int zr364xx_vidioc_enum_fmt_cap(struct file *file, | ||
522 | void *priv, struct v4l2_fmtdesc *f) | ||
523 | { | ||
524 | if (f->index > 0) | ||
525 | return -EINVAL; | ||
526 | if (f->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) | ||
527 | return -EINVAL; | ||
528 | memset(f, 0, sizeof(*f)); | ||
529 | f->index = 0; | ||
530 | f->type = V4L2_BUF_TYPE_VIDEO_CAPTURE; | ||
531 | f->flags = V4L2_FMT_FLAG_COMPRESSED; | ||
532 | strcpy(f->description, "JPEG"); | ||
533 | f->pixelformat = V4L2_PIX_FMT_JPEG; | ||
534 | return 0; | ||
535 | } | ||
536 | |||
537 | static int zr364xx_vidioc_try_fmt_cap(struct file *file, void *priv, | ||
538 | struct v4l2_format *f) | ||
539 | { | ||
540 | struct video_device *vdev = video_devdata(file); | ||
541 | struct zr364xx_camera *cam; | ||
542 | |||
543 | if (vdev == NULL) | ||
544 | return -ENODEV; | ||
545 | cam = video_get_drvdata(vdev); | ||
546 | |||
547 | if (f->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) | ||
548 | return -EINVAL; | ||
549 | if (f->fmt.pix.pixelformat != V4L2_PIX_FMT_JPEG) | ||
550 | return -EINVAL; | ||
551 | if (f->fmt.pix.field != V4L2_FIELD_ANY && | ||
552 | f->fmt.pix.field != V4L2_FIELD_NONE) | ||
553 | return -EINVAL; | ||
554 | f->fmt.pix.field = V4L2_FIELD_NONE; | ||
555 | f->fmt.pix.width = cam->width; | ||
556 | f->fmt.pix.height = cam->height; | ||
557 | f->fmt.pix.bytesperline = f->fmt.pix.width * 2; | ||
558 | f->fmt.pix.sizeimage = f->fmt.pix.height * f->fmt.pix.bytesperline; | ||
559 | f->fmt.pix.colorspace = 0; | ||
560 | f->fmt.pix.priv = 0; | ||
561 | return 0; | ||
562 | } | ||
563 | |||
564 | static int zr364xx_vidioc_g_fmt_cap(struct file *file, void *priv, | ||
565 | struct v4l2_format *f) | ||
566 | { | ||
567 | struct video_device *vdev = video_devdata(file); | ||
568 | struct zr364xx_camera *cam; | ||
569 | |||
570 | if (vdev == NULL) | ||
571 | return -ENODEV; | ||
572 | cam = video_get_drvdata(vdev); | ||
573 | |||
574 | if (f->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) | ||
575 | return -EINVAL; | ||
576 | memset(&f->fmt.pix, 0, sizeof(struct v4l2_pix_format)); | ||
577 | f->type = V4L2_BUF_TYPE_VIDEO_CAPTURE; | ||
578 | f->fmt.pix.pixelformat = V4L2_PIX_FMT_JPEG; | ||
579 | f->fmt.pix.field = V4L2_FIELD_NONE; | ||
580 | f->fmt.pix.width = cam->width; | ||
581 | f->fmt.pix.height = cam->height; | ||
582 | f->fmt.pix.bytesperline = f->fmt.pix.width * 2; | ||
583 | f->fmt.pix.sizeimage = f->fmt.pix.height * f->fmt.pix.bytesperline; | ||
584 | f->fmt.pix.colorspace = 0; | ||
585 | f->fmt.pix.priv = 0; | ||
586 | return 0; | ||
587 | } | ||
588 | |||
589 | static int zr364xx_vidioc_s_fmt_cap(struct file *file, void *priv, | ||
590 | struct v4l2_format *f) | ||
591 | { | ||
592 | struct video_device *vdev = video_devdata(file); | ||
593 | struct zr364xx_camera *cam; | ||
594 | |||
595 | if (vdev == NULL) | ||
596 | return -ENODEV; | ||
597 | cam = video_get_drvdata(vdev); | ||
598 | |||
599 | if (f->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) | ||
600 | return -EINVAL; | ||
601 | if (f->fmt.pix.pixelformat != V4L2_PIX_FMT_JPEG) | ||
602 | return -EINVAL; | ||
603 | if (f->fmt.pix.field != V4L2_FIELD_ANY && | ||
604 | f->fmt.pix.field != V4L2_FIELD_NONE) | ||
605 | return -EINVAL; | ||
606 | f->fmt.pix.field = V4L2_FIELD_NONE; | ||
607 | f->fmt.pix.width = cam->width; | ||
608 | f->fmt.pix.height = cam->height; | ||
609 | f->fmt.pix.bytesperline = f->fmt.pix.width * 2; | ||
610 | f->fmt.pix.sizeimage = f->fmt.pix.height * f->fmt.pix.bytesperline; | ||
611 | f->fmt.pix.colorspace = 0; | ||
612 | f->fmt.pix.priv = 0; | ||
613 | DBG("ok!"); | ||
614 | return 0; | ||
615 | } | ||
616 | |||
617 | static int zr364xx_vidioc_streamon(struct file *file, void *priv, | ||
618 | enum v4l2_buf_type type) | ||
619 | { | ||
620 | return 0; | ||
621 | } | ||
622 | |||
623 | static int zr364xx_vidioc_streamoff(struct file *file, void *priv, | ||
624 | enum v4l2_buf_type type) | ||
625 | { | ||
626 | return 0; | ||
627 | } | ||
628 | |||
629 | |||
630 | /* open the camera */ | ||
631 | static int zr364xx_open(struct inode *inode, struct file *file) | ||
632 | { | ||
633 | struct video_device *vdev = video_devdata(file); | ||
634 | struct zr364xx_camera *cam = video_get_drvdata(vdev); | ||
635 | struct usb_device *udev = cam->udev; | ||
636 | int i, err; | ||
637 | |||
638 | DBG("zr364xx_open"); | ||
639 | |||
640 | cam->skip = 2; | ||
641 | |||
642 | err = video_exclusive_open(inode, file); | ||
643 | if (err < 0) | ||
644 | return err; | ||
645 | |||
646 | if (!cam->framebuf) { | ||
647 | cam->framebuf = vmalloc_32(MAX_FRAME_SIZE * FRAMES); | ||
648 | if (!cam->framebuf) { | ||
649 | info("vmalloc_32 failed!"); | ||
650 | return -ENOMEM; | ||
651 | } | ||
652 | } | ||
653 | |||
654 | mutex_lock(&cam->lock); | ||
655 | for (i = 0; init[cam->method][i].size != -1; i++) { | ||
656 | err = | ||
657 | send_control_msg(udev, 1, init[cam->method][i].value, | ||
658 | 0, init[cam->method][i].bytes, | ||
659 | init[cam->method][i].size); | ||
660 | if (err < 0) { | ||
661 | info("error during open sequence: %d", i); | ||
662 | mutex_unlock(&cam->lock); | ||
663 | return err; | ||
664 | } | ||
665 | } | ||
666 | |||
667 | file->private_data = vdev; | ||
668 | |||
669 | /* Added some delay here, since opening/closing the camera quickly, | ||
670 | * like Ekiga does during its startup, can crash the webcam | ||
671 | */ | ||
672 | mdelay(100); | ||
673 | |||
674 | mutex_unlock(&cam->lock); | ||
675 | return 0; | ||
676 | } | ||
677 | |||
678 | |||
679 | /* release the camera */ | ||
680 | static int zr364xx_release(struct inode *inode, struct file *file) | ||
681 | { | ||
682 | struct video_device *vdev = video_devdata(file); | ||
683 | struct zr364xx_camera *cam; | ||
684 | struct usb_device *udev; | ||
685 | int i, err; | ||
686 | |||
687 | DBG("zr364xx_release"); | ||
688 | |||
689 | if (vdev == NULL) | ||
690 | return -ENODEV; | ||
691 | cam = video_get_drvdata(vdev); | ||
692 | |||
693 | udev = cam->udev; | ||
694 | |||
695 | mutex_lock(&cam->lock); | ||
696 | for (i = 0; i < 2; i++) { | ||
697 | err = | ||
698 | send_control_msg(udev, 1, init[cam->method][i].value, | ||
699 | 0, init[i][cam->method].bytes, | ||
700 | init[cam->method][i].size); | ||
701 | if (err < 0) { | ||
702 | info("error during release sequence"); | ||
703 | mutex_unlock(&cam->lock); | ||
704 | return err; | ||
705 | } | ||
706 | } | ||
707 | |||
708 | file->private_data = NULL; | ||
709 | video_exclusive_release(inode, file); | ||
710 | |||
711 | /* Added some delay here, since opening/closing the camera quickly, | ||
712 | * like Ekiga does during its startup, can crash the webcam | ||
713 | */ | ||
714 | mdelay(100); | ||
715 | |||
716 | mutex_unlock(&cam->lock); | ||
717 | return 0; | ||
718 | } | ||
719 | |||
720 | |||
721 | static int zr364xx_mmap(struct file *file, struct vm_area_struct *vma) | ||
722 | { | ||
723 | void *pos; | ||
724 | unsigned long start = vma->vm_start; | ||
725 | unsigned long size = vma->vm_end - vma->vm_start; | ||
726 | struct video_device *vdev = video_devdata(file); | ||
727 | struct zr364xx_camera *cam; | ||
728 | |||
729 | DBG("zr364xx_mmap: %ld\n", size); | ||
730 | |||
731 | if (vdev == NULL) | ||
732 | return -ENODEV; | ||
733 | cam = video_get_drvdata(vdev); | ||
734 | |||
735 | pos = cam->framebuf; | ||
736 | while (size > 0) { | ||
737 | if (vm_insert_page(vma, start, vmalloc_to_page(pos))) | ||
738 | return -EAGAIN; | ||
739 | start += PAGE_SIZE; | ||
740 | pos += PAGE_SIZE; | ||
741 | if (size > PAGE_SIZE) | ||
742 | size -= PAGE_SIZE; | ||
743 | else | ||
744 | size = 0; | ||
745 | } | ||
746 | |||
747 | return 0; | ||
748 | } | ||
749 | |||
750 | |||
751 | static struct file_operations zr364xx_fops = { | ||
752 | .owner = THIS_MODULE, | ||
753 | .open = zr364xx_open, | ||
754 | .release = zr364xx_release, | ||
755 | .read = zr364xx_read, | ||
756 | .mmap = zr364xx_mmap, | ||
757 | .ioctl = video_ioctl2, | ||
758 | .llseek = no_llseek, | ||
759 | }; | ||
760 | |||
761 | static struct video_device zr364xx_template = { | ||
762 | .owner = THIS_MODULE, | ||
763 | .name = DRIVER_DESC, | ||
764 | .type = VID_TYPE_CAPTURE, | ||
765 | .fops = &zr364xx_fops, | ||
766 | .release = video_device_release, | ||
767 | .minor = -1, | ||
768 | |||
769 | .vidioc_querycap = zr364xx_vidioc_querycap, | ||
770 | .vidioc_enum_fmt_cap = zr364xx_vidioc_enum_fmt_cap, | ||
771 | .vidioc_try_fmt_cap = zr364xx_vidioc_try_fmt_cap, | ||
772 | .vidioc_s_fmt_cap = zr364xx_vidioc_s_fmt_cap, | ||
773 | .vidioc_g_fmt_cap = zr364xx_vidioc_g_fmt_cap, | ||
774 | .vidioc_enum_input = zr364xx_vidioc_enum_input, | ||
775 | .vidioc_g_input = zr364xx_vidioc_g_input, | ||
776 | .vidioc_s_input = zr364xx_vidioc_s_input, | ||
777 | .vidioc_streamon = zr364xx_vidioc_streamon, | ||
778 | .vidioc_streamoff = zr364xx_vidioc_streamoff, | ||
779 | .vidioc_queryctrl = zr364xx_vidioc_queryctrl, | ||
780 | .vidioc_g_ctrl = zr364xx_vidioc_g_ctrl, | ||
781 | .vidioc_s_ctrl = zr364xx_vidioc_s_ctrl, | ||
782 | }; | ||
783 | |||
784 | |||
785 | |||
786 | /*******************/ | ||
787 | /* USB integration */ | ||
788 | /*******************/ | ||
789 | |||
790 | static int zr364xx_probe(struct usb_interface *intf, | ||
791 | const struct usb_device_id *id) | ||
792 | { | ||
793 | struct usb_device *udev = interface_to_usbdev(intf); | ||
794 | struct zr364xx_camera *cam = NULL; | ||
795 | |||
796 | DBG("probing..."); | ||
797 | |||
798 | info(DRIVER_DESC " compatible webcam plugged"); | ||
799 | info("model %04x:%04x detected", udev->descriptor.idVendor, | ||
800 | udev->descriptor.idProduct); | ||
801 | |||
802 | if ((cam = | ||
803 | kmalloc(sizeof(struct zr364xx_camera), GFP_KERNEL)) == NULL) { | ||
804 | info("cam: out of memory !"); | ||
805 | return -ENODEV; | ||
806 | } | ||
807 | memset(cam, 0x00, sizeof(struct zr364xx_camera)); | ||
808 | /* save the init method used by this camera */ | ||
809 | cam->method = id->driver_info; | ||
810 | |||
811 | cam->vdev = video_device_alloc(); | ||
812 | if (cam->vdev == NULL) { | ||
813 | info("cam->vdev: out of memory !"); | ||
814 | kfree(cam); | ||
815 | return -ENODEV; | ||
816 | } | ||
817 | memcpy(cam->vdev, &zr364xx_template, sizeof(zr364xx_template)); | ||
818 | video_set_drvdata(cam->vdev, cam); | ||
819 | if (debug) | ||
820 | cam->vdev->debug = V4L2_DEBUG_IOCTL | V4L2_DEBUG_IOCTL_ARG; | ||
821 | |||
822 | cam->udev = udev; | ||
823 | |||
824 | if ((cam->buffer = kmalloc(BUFFER_SIZE, GFP_KERNEL)) == NULL) { | ||
825 | info("cam->buffer: out of memory !"); | ||
826 | video_device_release(cam->vdev); | ||
827 | kfree(cam); | ||
828 | return -ENODEV; | ||
829 | } | ||
830 | |||
831 | switch (mode) { | ||
832 | case 1: | ||
833 | info("160x120 mode selected"); | ||
834 | cam->width = 160; | ||
835 | cam->height = 120; | ||
836 | break; | ||
837 | case 2: | ||
838 | info("640x480 mode selected"); | ||
839 | cam->width = 640; | ||
840 | cam->height = 480; | ||
841 | break; | ||
842 | default: | ||
843 | info("320x240 mode selected"); | ||
844 | cam->width = 320; | ||
845 | cam->height = 240; | ||
846 | break; | ||
847 | } | ||
848 | |||
849 | m0d1[0] = mode; | ||
850 | m1[2].value = 0xf000 + mode; | ||
851 | m2[1].value = 0xf000 + mode; | ||
852 | header2[437] = cam->height / 256; | ||
853 | header2[438] = cam->height % 256; | ||
854 | header2[439] = cam->width / 256; | ||
855 | header2[440] = cam->width % 256; | ||
856 | |||
857 | cam->nb = 0; | ||
858 | cam->brightness = 64; | ||
859 | mutex_init(&cam->lock); | ||
860 | |||
861 | if (video_register_device(cam->vdev, VFL_TYPE_GRABBER, -1) == -1) { | ||
862 | info("video_register_device failed"); | ||
863 | video_device_release(cam->vdev); | ||
864 | kfree(cam->buffer); | ||
865 | kfree(cam); | ||
866 | return -ENODEV; | ||
867 | } | ||
868 | |||
869 | usb_set_intfdata(intf, cam); | ||
870 | |||
871 | info(DRIVER_DESC " controlling video device %d", cam->vdev->minor); | ||
872 | return 0; | ||
873 | } | ||
874 | |||
875 | |||
876 | static void zr364xx_disconnect(struct usb_interface *intf) | ||
877 | { | ||
878 | struct zr364xx_camera *cam = usb_get_intfdata(intf); | ||
879 | usb_set_intfdata(intf, NULL); | ||
880 | dev_set_drvdata(&intf->dev, NULL); | ||
881 | info(DRIVER_DESC " webcam unplugged"); | ||
882 | if (cam->vdev) | ||
883 | video_unregister_device(cam->vdev); | ||
884 | cam->vdev = NULL; | ||
885 | kfree(cam->buffer); | ||
886 | if (cam->framebuf) | ||
887 | vfree(cam->framebuf); | ||
888 | kfree(cam); | ||
889 | } | ||
890 | |||
891 | |||
892 | |||
893 | /**********************/ | ||
894 | /* Module integration */ | ||
895 | /**********************/ | ||
896 | |||
897 | static struct usb_driver zr364xx_driver = { | ||
898 | .name = "zr364xx", | ||
899 | .probe = zr364xx_probe, | ||
900 | .disconnect = zr364xx_disconnect, | ||
901 | .id_table = device_table | ||
902 | }; | ||
903 | |||
904 | |||
905 | static int __init zr364xx_init(void) | ||
906 | { | ||
907 | int retval; | ||
908 | retval = usb_register(&zr364xx_driver) < 0; | ||
909 | if (retval) | ||
910 | info("usb_register failed!"); | ||
911 | else | ||
912 | info(DRIVER_DESC " module loaded"); | ||
913 | return retval; | ||
914 | } | ||
915 | |||
916 | |||
917 | static void __exit zr364xx_exit(void) | ||
918 | { | ||
919 | info(DRIVER_DESC " module unloaded"); | ||
920 | usb_deregister(&zr364xx_driver); | ||
921 | } | ||
922 | |||
923 | |||
924 | module_init(zr364xx_init); | ||
925 | module_exit(zr364xx_exit); | ||
926 | |||
927 | MODULE_AUTHOR(DRIVER_AUTHOR); | ||
928 | MODULE_DESCRIPTION(DRIVER_DESC); | ||
929 | MODULE_LICENSE("GPL"); | ||