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63eb9546 JFM |
1 | /* |
2 | * Syntek DV4000 (STK014) subdriver | |
3 | * | |
d43fa32f | 4 | * Copyright (C) 2008 Jean-Francois Moine (http://moinejf.free.fr) |
63eb9546 JFM |
5 | * |
6 | * This program is free software; you can redistribute it and/or modify | |
7 | * it under the terms of the GNU General Public License as published by | |
8 | * the Free Software Foundation; either version 2 of the License, or | |
9 | * any later version. | |
10 | * | |
11 | * This program is distributed in the hope that it will be useful, | |
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | * GNU General Public License for more details. | |
15 | * | |
16 | * You should have received a copy of the GNU General Public License | |
17 | * along with this program; if not, write to the Free Software | |
18 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
63eb9546 JFM |
19 | */ |
20 | ||
133a9fe9 JP |
21 | #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt |
22 | ||
63eb9546 JFM |
23 | #define MODULE_NAME "stk014" |
24 | ||
25 | #include "gspca.h" | |
26 | #include "jpeg.h" | |
27 | ||
63eb9546 JFM |
28 | MODULE_AUTHOR("Jean-Francois Moine <http://moinejf.free.fr>"); |
29 | MODULE_DESCRIPTION("Syntek DV4000 (STK014) USB Camera Driver"); | |
30 | MODULE_LICENSE("GPL"); | |
31 | ||
b56ab4ca HG |
32 | #define QUALITY 50 |
33 | ||
63eb9546 JFM |
34 | /* specific webcam descriptor */ |
35 | struct sd { | |
36 | struct gspca_dev gspca_dev; /* !! must be the first item */ | |
9a731a32 | 37 | u8 jpeg_hdr[JPEG_HDR_SZ]; |
63eb9546 JFM |
38 | }; |
39 | ||
cc611b8a | 40 | static const struct v4l2_pix_format vga_mode[] = { |
c2446b3e JFM |
41 | {320, 240, V4L2_PIX_FMT_JPEG, V4L2_FIELD_NONE, |
42 | .bytesperline = 320, | |
43 | .sizeimage = 320 * 240 * 3 / 8 + 590, | |
44 | .colorspace = V4L2_COLORSPACE_JPEG, | |
45 | .priv = 1}, | |
46 | {640, 480, V4L2_PIX_FMT_JPEG, V4L2_FIELD_NONE, | |
47 | .bytesperline = 640, | |
48 | .sizeimage = 640 * 480 * 3 / 8 + 590, | |
49 | .colorspace = V4L2_COLORSPACE_JPEG, | |
50 | .priv = 0}, | |
63eb9546 JFM |
51 | }; |
52 | ||
53 | /* -- read a register -- */ | |
ecb77686 | 54 | static u8 reg_r(struct gspca_dev *gspca_dev, |
739570bb | 55 | __u16 index) |
63eb9546 | 56 | { |
63eb9546 | 57 | struct usb_device *dev = gspca_dev->dev; |
6a7eba24 | 58 | int ret; |
63eb9546 | 59 | |
ecb77686 JFM |
60 | if (gspca_dev->usb_err < 0) |
61 | return 0; | |
63eb9546 JFM |
62 | ret = usb_control_msg(dev, usb_rcvctrlpipe(dev, 0), |
63 | 0x00, | |
64 | USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE, | |
65 | 0x00, | |
66 | index, | |
739570bb | 67 | gspca_dev->usb_buf, 1, |
63eb9546 | 68 | 500); |
739570bb | 69 | if (ret < 0) { |
133a9fe9 | 70 | pr_err("reg_r err %d\n", ret); |
ecb77686 JFM |
71 | gspca_dev->usb_err = ret; |
72 | return 0; | |
739570bb JFM |
73 | } |
74 | return gspca_dev->usb_buf[0]; | |
63eb9546 JFM |
75 | } |
76 | ||
77 | /* -- write a register -- */ | |
ecb77686 | 78 | static void reg_w(struct gspca_dev *gspca_dev, |
63eb9546 JFM |
79 | __u16 index, __u16 value) |
80 | { | |
81 | struct usb_device *dev = gspca_dev->dev; | |
82 | int ret; | |
83 | ||
ecb77686 JFM |
84 | if (gspca_dev->usb_err < 0) |
85 | return; | |
63eb9546 JFM |
86 | ret = usb_control_msg(dev, usb_sndctrlpipe(dev, 0), |
87 | 0x01, | |
88 | USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE, | |
89 | value, | |
90 | index, | |
91 | NULL, | |
92 | 0, | |
93 | 500); | |
ecb77686 | 94 | if (ret < 0) { |
133a9fe9 | 95 | pr_err("reg_w err %d\n", ret); |
ecb77686 JFM |
96 | gspca_dev->usb_err = ret; |
97 | } | |
63eb9546 JFM |
98 | } |
99 | ||
739570bb | 100 | /* -- get a bulk value (4 bytes) -- */ |
ecb77686 | 101 | static void rcv_val(struct gspca_dev *gspca_dev, |
739570bb | 102 | int ads) |
63eb9546 JFM |
103 | { |
104 | struct usb_device *dev = gspca_dev->dev; | |
105 | int alen, ret; | |
63eb9546 | 106 | |
6a7eba24 JFM |
107 | reg_w(gspca_dev, 0x634, (ads >> 16) & 0xff); |
108 | reg_w(gspca_dev, 0x635, (ads >> 8) & 0xff); | |
109 | reg_w(gspca_dev, 0x636, ads & 0xff); | |
110 | reg_w(gspca_dev, 0x637, 0); | |
739570bb JFM |
111 | reg_w(gspca_dev, 0x638, 4); /* len & 0xff */ |
112 | reg_w(gspca_dev, 0x639, 0); /* len >> 8 */ | |
6a7eba24 JFM |
113 | reg_w(gspca_dev, 0x63a, 0); |
114 | reg_w(gspca_dev, 0x63b, 0); | |
115 | reg_w(gspca_dev, 0x630, 5); | |
ecb77686 JFM |
116 | if (gspca_dev->usb_err < 0) |
117 | return; | |
63eb9546 | 118 | ret = usb_bulk_msg(dev, |
50e06dee | 119 | usb_rcvbulkpipe(dev, 0x05), |
739570bb JFM |
120 | gspca_dev->usb_buf, |
121 | 4, /* length */ | |
63eb9546 | 122 | &alen, |
739570bb | 123 | 500); /* timeout in milliseconds */ |
ecb77686 | 124 | if (ret < 0) { |
133a9fe9 | 125 | pr_err("rcv_val err %d\n", ret); |
ecb77686 JFM |
126 | gspca_dev->usb_err = ret; |
127 | } | |
63eb9546 JFM |
128 | } |
129 | ||
739570bb | 130 | /* -- send a bulk value -- */ |
ecb77686 | 131 | static void snd_val(struct gspca_dev *gspca_dev, |
63eb9546 JFM |
132 | int ads, |
133 | unsigned int val) | |
134 | { | |
135 | struct usb_device *dev = gspca_dev->dev; | |
136 | int alen, ret; | |
739570bb | 137 | __u8 seq = 0; |
63eb9546 JFM |
138 | |
139 | if (ads == 0x003f08) { | |
ecb77686 JFM |
140 | reg_r(gspca_dev, 0x0704); |
141 | seq = reg_r(gspca_dev, 0x0705); | |
142 | reg_r(gspca_dev, 0x0650); | |
6a7eba24 | 143 | reg_w(gspca_dev, 0x654, seq); |
739570bb | 144 | } else { |
6a7eba24 | 145 | reg_w(gspca_dev, 0x654, (ads >> 16) & 0xff); |
739570bb | 146 | } |
6a7eba24 JFM |
147 | reg_w(gspca_dev, 0x655, (ads >> 8) & 0xff); |
148 | reg_w(gspca_dev, 0x656, ads & 0xff); | |
149 | reg_w(gspca_dev, 0x657, 0); | |
150 | reg_w(gspca_dev, 0x658, 0x04); /* size */ | |
151 | reg_w(gspca_dev, 0x659, 0); | |
152 | reg_w(gspca_dev, 0x65a, 0); | |
153 | reg_w(gspca_dev, 0x65b, 0); | |
154 | reg_w(gspca_dev, 0x650, 5); | |
ecb77686 JFM |
155 | if (gspca_dev->usb_err < 0) |
156 | return; | |
739570bb JFM |
157 | gspca_dev->usb_buf[0] = val >> 24; |
158 | gspca_dev->usb_buf[1] = val >> 16; | |
159 | gspca_dev->usb_buf[2] = val >> 8; | |
160 | gspca_dev->usb_buf[3] = val; | |
63eb9546 JFM |
161 | ret = usb_bulk_msg(dev, |
162 | usb_sndbulkpipe(dev, 6), | |
739570bb | 163 | gspca_dev->usb_buf, |
63eb9546 JFM |
164 | 4, |
165 | &alen, | |
166 | 500); /* timeout in milliseconds */ | |
ecb77686 | 167 | if (ret < 0) { |
133a9fe9 | 168 | pr_err("snd_val err %d\n", ret); |
ecb77686 JFM |
169 | gspca_dev->usb_err = ret; |
170 | } else { | |
171 | if (ads == 0x003f08) { | |
172 | seq += 4; | |
173 | seq &= 0x3f; | |
174 | reg_w(gspca_dev, 0x705, seq); | |
175 | } | |
63eb9546 | 176 | } |
63eb9546 JFM |
177 | } |
178 | ||
179 | /* set a camera parameter */ | |
ecb77686 | 180 | static void set_par(struct gspca_dev *gspca_dev, |
63eb9546 JFM |
181 | int parval) |
182 | { | |
ecb77686 | 183 | snd_val(gspca_dev, 0x003f08, parval); |
63eb9546 JFM |
184 | } |
185 | ||
74dec797 | 186 | static void setbrightness(struct gspca_dev *gspca_dev, s32 val) |
63eb9546 | 187 | { |
63eb9546 JFM |
188 | int parval; |
189 | ||
63eb9546 | 190 | parval = 0x06000000 /* whiteness */ |
74dec797 | 191 | + (val << 16); |
63eb9546 JFM |
192 | set_par(gspca_dev, parval); |
193 | } | |
194 | ||
74dec797 | 195 | static void setcontrast(struct gspca_dev *gspca_dev, s32 val) |
63eb9546 | 196 | { |
63eb9546 JFM |
197 | int parval; |
198 | ||
63eb9546 | 199 | parval = 0x07000000 /* contrast */ |
74dec797 | 200 | + (val << 16); |
63eb9546 JFM |
201 | set_par(gspca_dev, parval); |
202 | } | |
203 | ||
74dec797 | 204 | static void setcolors(struct gspca_dev *gspca_dev, s32 val) |
63eb9546 | 205 | { |
63eb9546 JFM |
206 | int parval; |
207 | ||
63eb9546 | 208 | parval = 0x08000000 /* saturation */ |
74dec797 | 209 | + (val << 16); |
63eb9546 JFM |
210 | set_par(gspca_dev, parval); |
211 | } | |
212 | ||
74dec797 | 213 | static void setlightfreq(struct gspca_dev *gspca_dev, s32 val) |
6a7eba24 | 214 | { |
74dec797 | 215 | set_par(gspca_dev, val == 1 |
6a7eba24 JFM |
216 | ? 0x33640000 /* 50 Hz */ |
217 | : 0x33780000); /* 60 Hz */ | |
218 | } | |
219 | ||
63eb9546 JFM |
220 | /* this function is called at probe time */ |
221 | static int sd_config(struct gspca_dev *gspca_dev, | |
222 | const struct usb_device_id *id) | |
223 | { | |
63eb9546 | 224 | gspca_dev->cam.cam_mode = vga_mode; |
739570bb | 225 | gspca_dev->cam.nmodes = ARRAY_SIZE(vga_mode); |
63eb9546 JFM |
226 | return 0; |
227 | } | |
228 | ||
012d6b02 JFM |
229 | /* this function is called at probe and resume time */ |
230 | static int sd_init(struct gspca_dev *gspca_dev) | |
63eb9546 | 231 | { |
ecb77686 | 232 | u8 ret; |
63eb9546 JFM |
233 | |
234 | /* check if the device responds */ | |
235 | usb_set_interface(gspca_dev->dev, gspca_dev->iface, 1); | |
739570bb | 236 | ret = reg_r(gspca_dev, 0x0740); |
ecb77686 JFM |
237 | if (gspca_dev->usb_err >= 0) { |
238 | if (ret != 0xff) { | |
133a9fe9 | 239 | pr_err("init reg: 0x%02x\n", ret); |
ecb77686 JFM |
240 | gspca_dev->usb_err = -EIO; |
241 | } | |
63eb9546 | 242 | } |
ecb77686 | 243 | return gspca_dev->usb_err; |
63eb9546 JFM |
244 | } |
245 | ||
246 | /* -- start the camera -- */ | |
72ab97ce | 247 | static int sd_start(struct gspca_dev *gspca_dev) |
63eb9546 | 248 | { |
71cb2764 | 249 | struct sd *sd = (struct sd *) gspca_dev; |
63eb9546 JFM |
250 | int ret, value; |
251 | ||
71cb2764 | 252 | /* create the JPEG header */ |
71cb2764 JFM |
253 | jpeg_define(sd->jpeg_hdr, gspca_dev->height, gspca_dev->width, |
254 | 0x22); /* JPEG 411 */ | |
b56ab4ca | 255 | jpeg_set_qual(sd->jpeg_hdr, QUALITY); |
71cb2764 | 256 | |
63eb9546 JFM |
257 | /* work on alternate 1 */ |
258 | usb_set_interface(gspca_dev->dev, gspca_dev->iface, 1); | |
259 | ||
260 | set_par(gspca_dev, 0x10000000); | |
261 | set_par(gspca_dev, 0x00000000); | |
262 | set_par(gspca_dev, 0x8002e001); | |
263 | set_par(gspca_dev, 0x14000000); | |
264 | if (gspca_dev->width > 320) | |
265 | value = 0x8002e001; /* 640x480 */ | |
266 | else | |
267 | value = 0x4001f000; /* 320x240 */ | |
268 | set_par(gspca_dev, value); | |
269 | ret = usb_set_interface(gspca_dev->dev, | |
270 | gspca_dev->iface, | |
271 | gspca_dev->alt); | |
6a7eba24 | 272 | if (ret < 0) { |
133a9fe9 JP |
273 | pr_err("set intf %d %d failed\n", |
274 | gspca_dev->iface, gspca_dev->alt); | |
ecb77686 | 275 | gspca_dev->usb_err = ret; |
63eb9546 | 276 | goto out; |
6a7eba24 | 277 | } |
ecb77686 | 278 | reg_r(gspca_dev, 0x0630); |
739570bb | 279 | rcv_val(gspca_dev, 0x000020); /* << (value ff ff ff ff) */ |
ecb77686 | 280 | reg_r(gspca_dev, 0x0650); |
63eb9546 | 281 | snd_val(gspca_dev, 0x000020, 0xffffffff); |
6a7eba24 JFM |
282 | reg_w(gspca_dev, 0x0620, 0); |
283 | reg_w(gspca_dev, 0x0630, 0); | |
284 | reg_w(gspca_dev, 0x0640, 0); | |
285 | reg_w(gspca_dev, 0x0650, 0); | |
286 | reg_w(gspca_dev, 0x0660, 0); | |
63eb9546 JFM |
287 | set_par(gspca_dev, 0x09800000); /* Red ? */ |
288 | set_par(gspca_dev, 0x0a800000); /* Green ? */ | |
289 | set_par(gspca_dev, 0x0b800000); /* Blue ? */ | |
290 | set_par(gspca_dev, 0x0d030000); /* Gamma ? */ | |
63eb9546 JFM |
291 | |
292 | /* start the video flow */ | |
293 | set_par(gspca_dev, 0x01000000); | |
294 | set_par(gspca_dev, 0x01000000); | |
ecb77686 JFM |
295 | if (gspca_dev->usb_err >= 0) |
296 | PDEBUG(D_STREAM, "camera started alt: 0x%02x", | |
297 | gspca_dev->alt); | |
63eb9546 | 298 | out: |
ecb77686 | 299 | return gspca_dev->usb_err; |
63eb9546 JFM |
300 | } |
301 | ||
302 | static void sd_stopN(struct gspca_dev *gspca_dev) | |
303 | { | |
304 | struct usb_device *dev = gspca_dev->dev; | |
63eb9546 JFM |
305 | |
306 | set_par(gspca_dev, 0x02000000); | |
307 | set_par(gspca_dev, 0x02000000); | |
308 | usb_set_interface(dev, gspca_dev->iface, 1); | |
739570bb JFM |
309 | reg_r(gspca_dev, 0x0630); |
310 | rcv_val(gspca_dev, 0x000020); /* << (value ff ff ff ff) */ | |
311 | reg_r(gspca_dev, 0x0650); | |
63eb9546 | 312 | snd_val(gspca_dev, 0x000020, 0xffffffff); |
6a7eba24 JFM |
313 | reg_w(gspca_dev, 0x0620, 0); |
314 | reg_w(gspca_dev, 0x0630, 0); | |
315 | reg_w(gspca_dev, 0x0640, 0); | |
316 | reg_w(gspca_dev, 0x0650, 0); | |
317 | reg_w(gspca_dev, 0x0660, 0); | |
63eb9546 JFM |
318 | PDEBUG(D_STREAM, "camera stopped"); |
319 | } | |
320 | ||
63eb9546 | 321 | static void sd_pkt_scan(struct gspca_dev *gspca_dev, |
76dd272b | 322 | u8 *data, /* isoc packet */ |
63eb9546 JFM |
323 | int len) /* iso packet length */ |
324 | { | |
71cb2764 | 325 | struct sd *sd = (struct sd *) gspca_dev; |
4aa0d037 | 326 | static unsigned char ffd9[] = {0xff, 0xd9}; |
63eb9546 JFM |
327 | |
328 | /* a frame starts with: | |
329 | * - 0xff 0xfe | |
d43fa32f JFM |
330 | * - 0x08 0x00 - length (little endian ?!) |
331 | * - 4 bytes = size of whole frame (BE - including header) | |
63eb9546 JFM |
332 | * - 0x00 0x0c |
333 | * - 0xff 0xd8 | |
334 | * - .. JPEG image with escape sequences (ff 00) | |
d43fa32f | 335 | * (without ending - ff d9) |
63eb9546 JFM |
336 | */ |
337 | if (data[0] == 0xff && data[1] == 0xfe) { | |
76dd272b JFM |
338 | gspca_frame_add(gspca_dev, LAST_PACKET, |
339 | ffd9, 2); | |
63eb9546 | 340 | |
d43fa32f | 341 | /* put the JPEG 411 header */ |
76dd272b | 342 | gspca_frame_add(gspca_dev, FIRST_PACKET, |
71cb2764 | 343 | sd->jpeg_hdr, JPEG_HDR_SZ); |
63eb9546 JFM |
344 | |
345 | /* beginning of the frame */ | |
346 | #define STKHDRSZ 12 | |
8843765e JFM |
347 | data += STKHDRSZ; |
348 | len -= STKHDRSZ; | |
63eb9546 | 349 | } |
76dd272b | 350 | gspca_frame_add(gspca_dev, INTER_PACKET, data, len); |
63eb9546 JFM |
351 | } |
352 | ||
74dec797 HV |
353 | static int sd_s_ctrl(struct v4l2_ctrl *ctrl) |
354 | { | |
355 | struct gspca_dev *gspca_dev = | |
356 | container_of(ctrl->handler, struct gspca_dev, ctrl_handler); | |
74dec797 HV |
357 | |
358 | gspca_dev->usb_err = 0; | |
359 | ||
360 | if (!gspca_dev->streaming) | |
361 | return 0; | |
362 | ||
363 | switch (ctrl->id) { | |
364 | case V4L2_CID_BRIGHTNESS: | |
365 | setbrightness(gspca_dev, ctrl->val); | |
366 | break; | |
367 | case V4L2_CID_CONTRAST: | |
368 | setcontrast(gspca_dev, ctrl->val); | |
369 | break; | |
370 | case V4L2_CID_SATURATION: | |
371 | setcolors(gspca_dev, ctrl->val); | |
372 | break; | |
373 | case V4L2_CID_POWER_LINE_FREQUENCY: | |
374 | setlightfreq(gspca_dev, ctrl->val); | |
375 | break; | |
74dec797 HV |
376 | } |
377 | return gspca_dev->usb_err; | |
378 | } | |
379 | ||
380 | static const struct v4l2_ctrl_ops sd_ctrl_ops = { | |
381 | .s_ctrl = sd_s_ctrl, | |
382 | }; | |
383 | ||
384 | static int sd_init_controls(struct gspca_dev *gspca_dev) | |
385 | { | |
74dec797 HV |
386 | struct v4l2_ctrl_handler *hdl = &gspca_dev->ctrl_handler; |
387 | ||
388 | gspca_dev->vdev.ctrl_handler = hdl; | |
b56ab4ca | 389 | v4l2_ctrl_handler_init(hdl, 4); |
74dec797 HV |
390 | v4l2_ctrl_new_std(hdl, &sd_ctrl_ops, |
391 | V4L2_CID_BRIGHTNESS, 0, 255, 1, 127); | |
392 | v4l2_ctrl_new_std(hdl, &sd_ctrl_ops, | |
393 | V4L2_CID_CONTRAST, 0, 255, 1, 127); | |
394 | v4l2_ctrl_new_std(hdl, &sd_ctrl_ops, | |
395 | V4L2_CID_SATURATION, 0, 255, 1, 127); | |
396 | v4l2_ctrl_new_std_menu(hdl, &sd_ctrl_ops, | |
397 | V4L2_CID_POWER_LINE_FREQUENCY, | |
398 | V4L2_CID_POWER_LINE_FREQUENCY_60HZ, 1, | |
399 | V4L2_CID_POWER_LINE_FREQUENCY_50HZ); | |
74dec797 HV |
400 | |
401 | if (hdl->error) { | |
402 | pr_err("Could not initialize controls\n"); | |
403 | return hdl->error; | |
404 | } | |
405 | return 0; | |
406 | } | |
407 | ||
63eb9546 | 408 | /* sub-driver description */ |
739570bb | 409 | static const struct sd_desc sd_desc = { |
63eb9546 | 410 | .name = MODULE_NAME, |
63eb9546 | 411 | .config = sd_config, |
012d6b02 | 412 | .init = sd_init, |
74dec797 | 413 | .init_controls = sd_init_controls, |
63eb9546 JFM |
414 | .start = sd_start, |
415 | .stopN = sd_stopN, | |
63eb9546 JFM |
416 | .pkt_scan = sd_pkt_scan, |
417 | }; | |
418 | ||
419 | /* -- module initialisation -- */ | |
95c967c1 | 420 | static const struct usb_device_id device_table[] = { |
9d64fdb1 | 421 | {USB_DEVICE(0x05e1, 0x0893)}, |
63eb9546 JFM |
422 | {} |
423 | }; | |
424 | MODULE_DEVICE_TABLE(usb, device_table); | |
425 | ||
426 | /* -- device connect -- */ | |
427 | static int sd_probe(struct usb_interface *intf, | |
428 | const struct usb_device_id *id) | |
429 | { | |
d43fa32f JFM |
430 | return gspca_dev_probe(intf, id, &sd_desc, sizeof(struct sd), |
431 | THIS_MODULE); | |
63eb9546 JFM |
432 | } |
433 | ||
434 | static struct usb_driver sd_driver = { | |
435 | .name = MODULE_NAME, | |
436 | .id_table = device_table, | |
437 | .probe = sd_probe, | |
438 | .disconnect = gspca_disconnect, | |
6a709749 JFM |
439 | #ifdef CONFIG_PM |
440 | .suspend = gspca_suspend, | |
441 | .resume = gspca_resume, | |
442 | #endif | |
63eb9546 JFM |
443 | }; |
444 | ||
ecb3b2b3 | 445 | module_usb_driver(sd_driver); |