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38f993ad DA |
1 | /* |
2 | * s2255drv.c - a driver for the Sensoray 2255 USB video capture device | |
3 | * | |
4de39f5d | 4 | * Copyright (C) 2007-2010 by Sensoray Company Inc. |
38f993ad DA |
5 | * Dean Anderson |
6 | * | |
7 | * Some video buffer code based on vivi driver: | |
8 | * | |
9 | * Sensoray 2255 device supports 4 simultaneous channels. | |
10 | * The channels are not "crossbar" inputs, they are physically | |
11 | * attached to separate video decoders. | |
12 | * | |
13 | * Because of USB2.0 bandwidth limitations. There is only a | |
14 | * certain amount of data which may be transferred at one time. | |
15 | * | |
16 | * Example maximum bandwidth utilization: | |
17 | * | |
18 | * -full size, color mode YUYV or YUV422P: 2 channels at once | |
19 | * | |
20 | * -full or half size Grey scale: all 4 channels at once | |
21 | * | |
22 | * -half size, color mode YUYV or YUV422P: all 4 channels at once | |
23 | * | |
24 | * -full size, color mode YUYV or YUV422P 1/2 frame rate: all 4 channels | |
25 | * at once. | |
26 | * (TODO: Incorporate videodev2 frame rate(FR) enumeration, | |
27 | * which is currently experimental.) | |
28 | * | |
29 | * This program is free software; you can redistribute it and/or modify | |
30 | * it under the terms of the GNU General Public License as published by | |
31 | * the Free Software Foundation; either version 2 of the License, or | |
32 | * (at your option) any later version. | |
33 | * | |
34 | * This program is distributed in the hope that it will be useful, | |
35 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
36 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
37 | * GNU General Public License for more details. | |
38 | * | |
39 | * You should have received a copy of the GNU General Public License | |
40 | * along with this program; if not, write to the Free Software | |
41 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. | |
42 | */ | |
43 | ||
44 | #include <linux/module.h> | |
45 | #include <linux/firmware.h> | |
46 | #include <linux/kernel.h> | |
47 | #include <linux/mutex.h> | |
5a0e3ad6 | 48 | #include <linux/slab.h> |
38f993ad DA |
49 | #include <linux/videodev2.h> |
50 | #include <linux/version.h> | |
feb75f07 | 51 | #include <linux/mm.h> |
38f993ad DA |
52 | #include <media/videobuf-vmalloc.h> |
53 | #include <media/v4l2-common.h> | |
3a67b5cc | 54 | #include <media/v4l2-device.h> |
35ea11ff | 55 | #include <media/v4l2-ioctl.h> |
38f993ad DA |
56 | #include <linux/vmalloc.h> |
57 | #include <linux/usb.h> | |
58 | ||
85b85482 | 59 | #define S2255_MAJOR_VERSION 1 |
eb78deec | 60 | #define S2255_MINOR_VERSION 20 |
85b85482 DA |
61 | #define S2255_RELEASE 0 |
62 | #define S2255_VERSION KERNEL_VERSION(S2255_MAJOR_VERSION, \ | |
63 | S2255_MINOR_VERSION, \ | |
64 | S2255_RELEASE) | |
38f993ad DA |
65 | #define FIRMWARE_FILE_NAME "f2255usb.bin" |
66 | ||
22b88d48 DA |
67 | /* default JPEG quality */ |
68 | #define S2255_DEF_JPEG_QUAL 50 | |
38f993ad DA |
69 | /* vendor request in */ |
70 | #define S2255_VR_IN 0 | |
71 | /* vendor request out */ | |
72 | #define S2255_VR_OUT 1 | |
73 | /* firmware query */ | |
74 | #define S2255_VR_FW 0x30 | |
75 | /* USB endpoint number for configuring the device */ | |
76 | #define S2255_CONFIG_EP 2 | |
77 | /* maximum time for DSP to start responding after last FW word loaded(ms) */ | |
14d96260 | 78 | #define S2255_DSP_BOOTTIME 800 |
38f993ad | 79 | /* maximum time to wait for firmware to load (ms) */ |
3f8d6f73 | 80 | #define S2255_LOAD_TIMEOUT (5000 + S2255_DSP_BOOTTIME) |
38f993ad | 81 | #define S2255_DEF_BUFS 16 |
14d96260 | 82 | #define S2255_SETMODE_TIMEOUT 500 |
4de39f5d | 83 | #define S2255_VIDSTATUS_TIMEOUT 350 |
3fa00605 DA |
84 | #define S2255_MARKER_FRAME cpu_to_le32(0x2255DA4AL) |
85 | #define S2255_MARKER_RESPONSE cpu_to_le32(0x2255ACACL) | |
86 | #define S2255_RESPONSE_SETMODE cpu_to_le32(0x01) | |
87 | #define S2255_RESPONSE_FW cpu_to_le32(0x10) | |
88 | #define S2255_RESPONSE_STATUS cpu_to_le32(0x20) | |
14d96260 | 89 | #define S2255_USB_XFER_SIZE (16 * 1024) |
38f993ad | 90 | #define MAX_CHANNELS 4 |
38f993ad DA |
91 | #define SYS_FRAMES 4 |
92 | /* maximum size is PAL full size plus room for the marker header(s) */ | |
14d96260 DA |
93 | #define SYS_FRAMES_MAXSIZE (720*288*2*2 + 4096) |
94 | #define DEF_USB_BLOCK S2255_USB_XFER_SIZE | |
38f993ad DA |
95 | #define LINE_SZ_4CIFS_NTSC 640 |
96 | #define LINE_SZ_2CIFS_NTSC 640 | |
97 | #define LINE_SZ_1CIFS_NTSC 320 | |
98 | #define LINE_SZ_4CIFS_PAL 704 | |
99 | #define LINE_SZ_2CIFS_PAL 704 | |
100 | #define LINE_SZ_1CIFS_PAL 352 | |
101 | #define NUM_LINES_4CIFS_NTSC 240 | |
102 | #define NUM_LINES_2CIFS_NTSC 240 | |
103 | #define NUM_LINES_1CIFS_NTSC 240 | |
104 | #define NUM_LINES_4CIFS_PAL 288 | |
105 | #define NUM_LINES_2CIFS_PAL 288 | |
106 | #define NUM_LINES_1CIFS_PAL 288 | |
107 | #define LINE_SZ_DEF 640 | |
108 | #define NUM_LINES_DEF 240 | |
109 | ||
110 | ||
111 | /* predefined settings */ | |
112 | #define FORMAT_NTSC 1 | |
113 | #define FORMAT_PAL 2 | |
114 | ||
115 | #define SCALE_4CIFS 1 /* 640x480(NTSC) or 704x576(PAL) */ | |
116 | #define SCALE_2CIFS 2 /* 640x240(NTSC) or 704x288(PAL) */ | |
117 | #define SCALE_1CIFS 3 /* 320x240(NTSC) or 352x288(PAL) */ | |
7d853532 DA |
118 | /* SCALE_4CIFSI is the 2 fields interpolated into one */ |
119 | #define SCALE_4CIFSI 4 /* 640x480(NTSC) or 704x576(PAL) high quality */ | |
38f993ad DA |
120 | |
121 | #define COLOR_YUVPL 1 /* YUV planar */ | |
122 | #define COLOR_YUVPK 2 /* YUV packed */ | |
123 | #define COLOR_Y8 4 /* monochrome */ | |
14d96260 | 124 | #define COLOR_JPG 5 /* JPEG */ |
38f993ad | 125 | |
5a34d9df DA |
126 | #define MASK_COLOR 0x000000ff |
127 | #define MASK_JPG_QUALITY 0x0000ff00 | |
128 | #define MASK_INPUT_TYPE 0x000f0000 | |
38f993ad DA |
129 | /* frame decimation. Not implemented by V4L yet(experimental in V4L) */ |
130 | #define FDEC_1 1 /* capture every frame. default */ | |
131 | #define FDEC_2 2 /* capture every 2nd frame */ | |
132 | #define FDEC_3 3 /* capture every 3rd frame */ | |
133 | #define FDEC_5 5 /* capture every 5th frame */ | |
134 | ||
135 | /*------------------------------------------------------- | |
136 | * Default mode parameters. | |
137 | *-------------------------------------------------------*/ | |
138 | #define DEF_SCALE SCALE_4CIFS | |
139 | #define DEF_COLOR COLOR_YUVPL | |
140 | #define DEF_FDEC FDEC_1 | |
141 | #define DEF_BRIGHT 0 | |
142 | #define DEF_CONTRAST 0x5c | |
143 | #define DEF_SATURATION 0x80 | |
144 | #define DEF_HUE 0 | |
145 | ||
146 | /* usb config commands */ | |
3fa00605 DA |
147 | #define IN_DATA_TOKEN cpu_to_le32(0x2255c0de) |
148 | #define CMD_2255 cpu_to_le32(0xc2255000) | |
149 | #define CMD_SET_MODE cpu_to_le32((CMD_2255 | 0x10)) | |
150 | #define CMD_START cpu_to_le32((CMD_2255 | 0x20)) | |
151 | #define CMD_STOP cpu_to_le32((CMD_2255 | 0x30)) | |
152 | #define CMD_STATUS cpu_to_le32((CMD_2255 | 0x40)) | |
38f993ad DA |
153 | |
154 | struct s2255_mode { | |
155 | u32 format; /* input video format (NTSC, PAL) */ | |
156 | u32 scale; /* output video scale */ | |
157 | u32 color; /* output video color format */ | |
158 | u32 fdec; /* frame decimation */ | |
159 | u32 bright; /* brightness */ | |
160 | u32 contrast; /* contrast */ | |
161 | u32 saturation; /* saturation */ | |
162 | u32 hue; /* hue (NTSC only)*/ | |
163 | u32 single; /* capture 1 frame at a time (!=0), continuously (==0)*/ | |
164 | u32 usb_block; /* block size. should be 4096 of DEF_USB_BLOCK */ | |
165 | u32 restart; /* if DSP requires restart */ | |
166 | }; | |
167 | ||
38f993ad | 168 | |
14d96260 DA |
169 | #define S2255_READ_IDLE 0 |
170 | #define S2255_READ_FRAME 1 | |
38f993ad | 171 | |
14d96260 | 172 | /* frame structure */ |
38f993ad DA |
173 | struct s2255_framei { |
174 | unsigned long size; | |
14d96260 | 175 | unsigned long ulState; /* ulState:S2255_READ_IDLE, S2255_READ_FRAME*/ |
38f993ad DA |
176 | void *lpvbits; /* image data */ |
177 | unsigned long cur_size; /* current data copied to it */ | |
178 | }; | |
179 | ||
180 | /* image buffer structure */ | |
181 | struct s2255_bufferi { | |
182 | unsigned long dwFrames; /* number of frames in buffer */ | |
183 | struct s2255_framei frame[SYS_FRAMES]; /* array of FRAME structures */ | |
184 | }; | |
185 | ||
186 | #define DEF_MODEI_NTSC_CONT {FORMAT_NTSC, DEF_SCALE, DEF_COLOR, \ | |
187 | DEF_FDEC, DEF_BRIGHT, DEF_CONTRAST, DEF_SATURATION, \ | |
3f8d6f73 | 188 | DEF_HUE, 0, DEF_USB_BLOCK, 0} |
38f993ad DA |
189 | |
190 | struct s2255_dmaqueue { | |
191 | struct list_head active; | |
38f993ad | 192 | struct s2255_dev *dev; |
38f993ad DA |
193 | }; |
194 | ||
195 | /* for firmware loading, fw_state */ | |
196 | #define S2255_FW_NOTLOADED 0 | |
197 | #define S2255_FW_LOADED_DSPWAIT 1 | |
198 | #define S2255_FW_SUCCESS 2 | |
199 | #define S2255_FW_FAILED 3 | |
f78d92c9 | 200 | #define S2255_FW_DISCONNECTING 4 |
deaf53e3 | 201 | #define S2255_FW_MARKER cpu_to_le32(0x22552f2f) |
14d96260 DA |
202 | /* 2255 read states */ |
203 | #define S2255_READ_IDLE 0 | |
204 | #define S2255_READ_FRAME 1 | |
38f993ad DA |
205 | struct s2255_fw { |
206 | int fw_loaded; | |
207 | int fw_size; | |
208 | struct urb *fw_urb; | |
209 | atomic_t fw_state; | |
210 | void *pfw_data; | |
211 | wait_queue_head_t wait_fw; | |
38f993ad DA |
212 | const struct firmware *fw; |
213 | }; | |
214 | ||
215 | struct s2255_pipeinfo { | |
216 | u32 max_transfer_size; | |
217 | u32 cur_transfer_size; | |
218 | u8 *transfer_buffer; | |
38f993ad | 219 | u32 state; |
38f993ad DA |
220 | void *stream_urb; |
221 | void *dev; /* back pointer to s2255_dev struct*/ | |
222 | u32 err_count; | |
38f993ad | 223 | u32 idx; |
38f993ad DA |
224 | }; |
225 | ||
226 | struct s2255_fmt; /*forward declaration */ | |
fe85ce90 DA |
227 | struct s2255_dev; |
228 | ||
229 | struct s2255_channel { | |
230 | struct video_device vdev; | |
231 | int resources; | |
232 | struct s2255_dmaqueue vidq; | |
233 | struct s2255_bufferi buffer; | |
234 | struct s2255_mode mode; | |
235 | /* jpeg compression */ | |
236 | struct v4l2_jpegcompression jc; | |
237 | /* capture parameters (for high quality mode full size) */ | |
238 | struct v4l2_captureparm cap_parm; | |
239 | int cur_frame; | |
240 | int last_frame; | |
241 | ||
242 | int b_acquire; | |
243 | /* allocated image size */ | |
244 | unsigned long req_image_size; | |
245 | /* received packet size */ | |
246 | unsigned long pkt_size; | |
247 | int bad_payload; | |
248 | unsigned long frame_count; | |
249 | /* if JPEG image */ | |
250 | int jpg_size; | |
251 | /* if channel configured to default state */ | |
252 | int configured; | |
253 | wait_queue_head_t wait_setmode; | |
254 | int setmode_ready; | |
255 | /* video status items */ | |
256 | int vidstatus; | |
257 | wait_queue_head_t wait_vidstatus; | |
258 | int vidstatus_ready; | |
259 | unsigned int width; | |
260 | unsigned int height; | |
261 | const struct s2255_fmt *fmt; | |
262 | int idx; /* channel number on device, 0-3 */ | |
263 | }; | |
264 | ||
38f993ad DA |
265 | |
266 | struct s2255_dev { | |
fe85ce90 | 267 | struct s2255_channel channel[MAX_CHANNELS]; |
65c6edb3 | 268 | struct v4l2_device v4l2_dev; |
fe85ce90 | 269 | atomic_t num_channels; |
38f993ad | 270 | int frames; |
38f993ad DA |
271 | struct mutex lock; |
272 | struct mutex open_lock; | |
38f993ad DA |
273 | struct usb_device *udev; |
274 | struct usb_interface *interface; | |
275 | u8 read_endpoint; | |
38f993ad DA |
276 | struct timer_list timer; |
277 | struct s2255_fw *fw_data; | |
ab85c6a3 | 278 | struct s2255_pipeinfo pipe; |
38f993ad | 279 | u32 cc; /* current channel */ |
38f993ad | 280 | int frame_ready; |
14d96260 | 281 | int chn_ready; |
38f993ad | 282 | spinlock_t slock; |
4de39f5d DA |
283 | /* dsp firmware version (f2255usb.bin) */ |
284 | int dsp_fw_ver; | |
5a34d9df | 285 | u16 pid; /* product id */ |
38f993ad | 286 | }; |
65c6edb3 | 287 | |
65c6edb3 DA |
288 | static inline struct s2255_dev *to_s2255_dev(struct v4l2_device *v4l2_dev) |
289 | { | |
290 | return container_of(v4l2_dev, struct s2255_dev, v4l2_dev); | |
291 | } | |
38f993ad DA |
292 | |
293 | struct s2255_fmt { | |
294 | char *name; | |
295 | u32 fourcc; | |
296 | int depth; | |
297 | }; | |
298 | ||
299 | /* buffer for one video frame */ | |
300 | struct s2255_buffer { | |
301 | /* common v4l buffer stuff -- must be first */ | |
302 | struct videobuf_buffer vb; | |
303 | const struct s2255_fmt *fmt; | |
304 | }; | |
305 | ||
306 | struct s2255_fh { | |
307 | struct s2255_dev *dev; | |
38f993ad DA |
308 | struct videobuf_queue vb_vidq; |
309 | enum v4l2_buf_type type; | |
fe85ce90 DA |
310 | struct s2255_channel *channel; |
311 | int resources; | |
38f993ad DA |
312 | }; |
313 | ||
abce21f4 DA |
314 | /* current cypress EEPROM firmware version */ |
315 | #define S2255_CUR_USB_FWVER ((3 << 8) | 6) | |
4de39f5d | 316 | /* current DSP FW version */ |
5a34d9df | 317 | #define S2255_CUR_DSP_FWVER 8 |
4de39f5d | 318 | /* Need DSP version 5+ for video status feature */ |
5a34d9df DA |
319 | #define S2255_MIN_DSP_STATUS 5 |
320 | #define S2255_MIN_DSP_COLORFILTER 8 | |
38f993ad | 321 | #define S2255_NORMS (V4L2_STD_PAL | V4L2_STD_NTSC) |
5a34d9df DA |
322 | |
323 | /* private V4L2 controls */ | |
324 | ||
325 | /* | |
326 | * The following chart displays how COLORFILTER should be set | |
327 | * ========================================================= | |
328 | * = fourcc = COLORFILTER = | |
329 | * = =============================== | |
330 | * = = 0 = 1 = | |
331 | * ========================================================= | |
332 | * = V4L2_PIX_FMT_GREY(Y8) = monochrome from = monochrome= | |
333 | * = = s-video or = composite = | |
334 | * = = B/W camera = input = | |
335 | * ========================================================= | |
336 | * = other = color, svideo = color, = | |
337 | * = = = composite = | |
338 | * ========================================================= | |
339 | * | |
340 | * Notes: | |
341 | * channels 0-3 on 2255 are composite | |
342 | * channels 0-1 on 2257 are composite, 2-3 are s-video | |
343 | * If COLORFILTER is 0 with a composite color camera connected, | |
344 | * the output will appear monochrome but hatching | |
345 | * will occur. | |
346 | * COLORFILTER is different from "color killer" and "color effects" | |
347 | * for reasons above. | |
348 | */ | |
349 | #define S2255_V4L2_YC_ON 1 | |
350 | #define S2255_V4L2_YC_OFF 0 | |
351 | #define V4L2_CID_PRIVATE_COLORFILTER (V4L2_CID_PRIVATE_BASE + 0) | |
352 | ||
38f993ad DA |
353 | /* frame prefix size (sent once every frame) */ |
354 | #define PREFIX_SIZE 512 | |
355 | ||
356 | /* Channels on box are in reverse order */ | |
3f8d6f73 | 357 | static unsigned long G_chnmap[MAX_CHANNELS] = {3, 2, 1, 0}; |
38f993ad | 358 | |
38f993ad DA |
359 | static int debug; |
360 | static int *s2255_debug = &debug; | |
361 | ||
362 | static int s2255_start_readpipe(struct s2255_dev *dev); | |
363 | static void s2255_stop_readpipe(struct s2255_dev *dev); | |
fe85ce90 DA |
364 | static int s2255_start_acquire(struct s2255_channel *channel); |
365 | static int s2255_stop_acquire(struct s2255_channel *channel); | |
366 | static void s2255_fillbuff(struct s2255_channel *chn, struct s2255_buffer *buf, | |
367 | int jpgsize); | |
368 | static int s2255_set_mode(struct s2255_channel *chan, struct s2255_mode *mode); | |
38f993ad | 369 | static int s2255_board_shutdown(struct s2255_dev *dev); |
14d96260 | 370 | static void s2255_fwload_start(struct s2255_dev *dev, int reset); |
d62e85a0 | 371 | static void s2255_destroy(struct s2255_dev *dev); |
14d96260 DA |
372 | static long s2255_vendor_req(struct s2255_dev *dev, unsigned char req, |
373 | u16 index, u16 value, void *buf, | |
374 | s32 buf_len, int bOut); | |
38f993ad | 375 | |
be9ed511 MCC |
376 | /* dev_err macro with driver name */ |
377 | #define S2255_DRIVER_NAME "s2255" | |
378 | #define s2255_dev_err(dev, fmt, arg...) \ | |
379 | dev_err(dev, S2255_DRIVER_NAME " - " fmt, ##arg) | |
380 | ||
38f993ad DA |
381 | #define dprintk(level, fmt, arg...) \ |
382 | do { \ | |
383 | if (*s2255_debug >= (level)) { \ | |
be9ed511 MCC |
384 | printk(KERN_DEBUG S2255_DRIVER_NAME \ |
385 | ": " fmt, ##arg); \ | |
38f993ad DA |
386 | } \ |
387 | } while (0) | |
388 | ||
38f993ad DA |
389 | static struct usb_driver s2255_driver; |
390 | ||
38f993ad DA |
391 | /* Declare static vars that will be used as parameters */ |
392 | static unsigned int vid_limit = 16; /* Video memory limit, in Mb */ | |
393 | ||
394 | /* start video number */ | |
395 | static int video_nr = -1; /* /dev/videoN, -1 for autodetect */ | |
396 | ||
3f8d6f73 | 397 | module_param(debug, int, 0644); |
38f993ad | 398 | MODULE_PARM_DESC(debug, "Debug level(0-100) default 0"); |
3f8d6f73 | 399 | module_param(vid_limit, int, 0644); |
38f993ad | 400 | MODULE_PARM_DESC(vid_limit, "video memory limit(Mb)"); |
3f8d6f73 | 401 | module_param(video_nr, int, 0644); |
38f993ad DA |
402 | MODULE_PARM_DESC(video_nr, "start video minor(-1 default autodetect)"); |
403 | ||
404 | /* USB device table */ | |
5a34d9df | 405 | #define USB_SENSORAY_VID 0x1943 |
38f993ad | 406 | static struct usb_device_id s2255_table[] = { |
5a34d9df DA |
407 | {USB_DEVICE(USB_SENSORAY_VID, 0x2255)}, |
408 | {USB_DEVICE(USB_SENSORAY_VID, 0x2257)}, /*same family as 2255*/ | |
38f993ad DA |
409 | { } /* Terminating entry */ |
410 | }; | |
411 | MODULE_DEVICE_TABLE(usb, s2255_table); | |
412 | ||
38f993ad DA |
413 | #define BUFFER_TIMEOUT msecs_to_jiffies(400) |
414 | ||
38f993ad DA |
415 | /* image formats. */ |
416 | static const struct s2255_fmt formats[] = { | |
417 | { | |
418 | .name = "4:2:2, planar, YUV422P", | |
419 | .fourcc = V4L2_PIX_FMT_YUV422P, | |
420 | .depth = 16 | |
421 | ||
422 | }, { | |
423 | .name = "4:2:2, packed, YUYV", | |
424 | .fourcc = V4L2_PIX_FMT_YUYV, | |
425 | .depth = 16 | |
426 | ||
427 | }, { | |
428 | .name = "4:2:2, packed, UYVY", | |
429 | .fourcc = V4L2_PIX_FMT_UYVY, | |
430 | .depth = 16 | |
14d96260 DA |
431 | }, { |
432 | .name = "JPG", | |
433 | .fourcc = V4L2_PIX_FMT_JPEG, | |
434 | .depth = 24 | |
38f993ad DA |
435 | }, { |
436 | .name = "8bpp GREY", | |
437 | .fourcc = V4L2_PIX_FMT_GREY, | |
438 | .depth = 8 | |
439 | } | |
440 | }; | |
441 | ||
442 | static int norm_maxw(struct video_device *vdev) | |
443 | { | |
444 | return (vdev->current_norm & V4L2_STD_NTSC) ? | |
445 | LINE_SZ_4CIFS_NTSC : LINE_SZ_4CIFS_PAL; | |
446 | } | |
447 | ||
448 | static int norm_maxh(struct video_device *vdev) | |
449 | { | |
450 | return (vdev->current_norm & V4L2_STD_NTSC) ? | |
451 | (NUM_LINES_1CIFS_NTSC * 2) : (NUM_LINES_1CIFS_PAL * 2); | |
452 | } | |
453 | ||
454 | static int norm_minw(struct video_device *vdev) | |
455 | { | |
456 | return (vdev->current_norm & V4L2_STD_NTSC) ? | |
457 | LINE_SZ_1CIFS_NTSC : LINE_SZ_1CIFS_PAL; | |
458 | } | |
459 | ||
460 | static int norm_minh(struct video_device *vdev) | |
461 | { | |
462 | return (vdev->current_norm & V4L2_STD_NTSC) ? | |
463 | (NUM_LINES_1CIFS_NTSC) : (NUM_LINES_1CIFS_PAL); | |
464 | } | |
465 | ||
466 | ||
3f8d6f73 DA |
467 | /* |
468 | * TODO: fixme: move YUV reordering to hardware | |
469 | * converts 2255 planar format to yuyv or uyvy | |
470 | */ | |
38f993ad DA |
471 | static void planar422p_to_yuv_packed(const unsigned char *in, |
472 | unsigned char *out, | |
473 | int width, int height, | |
474 | int fmt) | |
475 | { | |
476 | unsigned char *pY; | |
477 | unsigned char *pCb; | |
478 | unsigned char *pCr; | |
479 | unsigned long size = height * width; | |
480 | unsigned int i; | |
481 | pY = (unsigned char *)in; | |
482 | pCr = (unsigned char *)in + height * width; | |
483 | pCb = (unsigned char *)in + height * width + (height * width / 2); | |
484 | for (i = 0; i < size * 2; i += 4) { | |
485 | out[i] = (fmt == V4L2_PIX_FMT_YUYV) ? *pY++ : *pCr++; | |
486 | out[i + 1] = (fmt == V4L2_PIX_FMT_YUYV) ? *pCr++ : *pY++; | |
487 | out[i + 2] = (fmt == V4L2_PIX_FMT_YUYV) ? *pY++ : *pCb++; | |
488 | out[i + 3] = (fmt == V4L2_PIX_FMT_YUYV) ? *pCb++ : *pY++; | |
489 | } | |
490 | return; | |
491 | } | |
492 | ||
d45b9b8a | 493 | static void s2255_reset_dsppower(struct s2255_dev *dev) |
14d96260 DA |
494 | { |
495 | s2255_vendor_req(dev, 0x40, 0x0b0b, 0x0b0b, NULL, 0, 1); | |
496 | msleep(10); | |
497 | s2255_vendor_req(dev, 0x50, 0x0000, 0x0000, NULL, 0, 1); | |
498 | return; | |
499 | } | |
38f993ad DA |
500 | |
501 | /* kickstarts the firmware loading. from probe | |
502 | */ | |
503 | static void s2255_timer(unsigned long user_data) | |
504 | { | |
505 | struct s2255_fw *data = (struct s2255_fw *)user_data; | |
85b85482 | 506 | dprintk(100, "%s\n", __func__); |
38f993ad DA |
507 | if (usb_submit_urb(data->fw_urb, GFP_ATOMIC) < 0) { |
508 | printk(KERN_ERR "s2255: can't submit urb\n"); | |
f78d92c9 DA |
509 | atomic_set(&data->fw_state, S2255_FW_FAILED); |
510 | /* wake up anything waiting for the firmware */ | |
511 | wake_up(&data->wait_fw); | |
38f993ad DA |
512 | return; |
513 | } | |
514 | } | |
515 | ||
38f993ad DA |
516 | |
517 | /* this loads the firmware asynchronously. | |
518 | Originally this was done synchroously in probe. | |
519 | But it is better to load it asynchronously here than block | |
520 | inside the probe function. Blocking inside probe affects boot time. | |
521 | FW loading is triggered by the timer in the probe function | |
522 | */ | |
523 | static void s2255_fwchunk_complete(struct urb *urb) | |
524 | { | |
525 | struct s2255_fw *data = urb->context; | |
526 | struct usb_device *udev = urb->dev; | |
527 | int len; | |
85b85482 | 528 | dprintk(100, "%s: udev %p urb %p", __func__, udev, urb); |
38f993ad | 529 | if (urb->status) { |
be9ed511 | 530 | dev_err(&udev->dev, "URB failed with status %d\n", urb->status); |
f78d92c9 DA |
531 | atomic_set(&data->fw_state, S2255_FW_FAILED); |
532 | /* wake up anything waiting for the firmware */ | |
533 | wake_up(&data->wait_fw); | |
38f993ad DA |
534 | return; |
535 | } | |
536 | if (data->fw_urb == NULL) { | |
be9ed511 | 537 | s2255_dev_err(&udev->dev, "disconnected\n"); |
f78d92c9 DA |
538 | atomic_set(&data->fw_state, S2255_FW_FAILED); |
539 | /* wake up anything waiting for the firmware */ | |
540 | wake_up(&data->wait_fw); | |
38f993ad DA |
541 | return; |
542 | } | |
543 | #define CHUNK_SIZE 512 | |
544 | /* all USB transfers must be done with continuous kernel memory. | |
545 | can't allocate more than 128k in current linux kernel, so | |
546 | upload the firmware in chunks | |
547 | */ | |
548 | if (data->fw_loaded < data->fw_size) { | |
549 | len = (data->fw_loaded + CHUNK_SIZE) > data->fw_size ? | |
550 | data->fw_size % CHUNK_SIZE : CHUNK_SIZE; | |
551 | ||
552 | if (len < CHUNK_SIZE) | |
553 | memset(data->pfw_data, 0, CHUNK_SIZE); | |
554 | ||
555 | dprintk(100, "completed len %d, loaded %d \n", len, | |
556 | data->fw_loaded); | |
557 | ||
558 | memcpy(data->pfw_data, | |
559 | (char *) data->fw->data + data->fw_loaded, len); | |
560 | ||
561 | usb_fill_bulk_urb(data->fw_urb, udev, usb_sndbulkpipe(udev, 2), | |
562 | data->pfw_data, CHUNK_SIZE, | |
563 | s2255_fwchunk_complete, data); | |
564 | if (usb_submit_urb(data->fw_urb, GFP_ATOMIC) < 0) { | |
565 | dev_err(&udev->dev, "failed submit URB\n"); | |
566 | atomic_set(&data->fw_state, S2255_FW_FAILED); | |
567 | /* wake up anything waiting for the firmware */ | |
568 | wake_up(&data->wait_fw); | |
569 | return; | |
570 | } | |
571 | data->fw_loaded += len; | |
572 | } else { | |
38f993ad | 573 | atomic_set(&data->fw_state, S2255_FW_LOADED_DSPWAIT); |
85b85482 | 574 | dprintk(100, "%s: firmware upload complete\n", __func__); |
38f993ad | 575 | } |
38f993ad DA |
576 | return; |
577 | ||
578 | } | |
579 | ||
fe85ce90 | 580 | static int s2255_got_frame(struct s2255_channel *channel, int jpgsize) |
38f993ad | 581 | { |
fe85ce90 | 582 | struct s2255_dmaqueue *dma_q = &channel->vidq; |
38f993ad | 583 | struct s2255_buffer *buf; |
fe85ce90 | 584 | struct s2255_dev *dev = to_s2255_dev(channel->vdev.v4l2_dev); |
38f993ad DA |
585 | unsigned long flags = 0; |
586 | int rc = 0; | |
38f993ad | 587 | spin_lock_irqsave(&dev->slock, flags); |
38f993ad DA |
588 | if (list_empty(&dma_q->active)) { |
589 | dprintk(1, "No active queue to serve\n"); | |
590 | rc = -1; | |
591 | goto unlock; | |
592 | } | |
593 | buf = list_entry(dma_q->active.next, | |
594 | struct s2255_buffer, vb.queue); | |
38f993ad DA |
595 | list_del(&buf->vb.queue); |
596 | do_gettimeofday(&buf->vb.ts); | |
fe85ce90 | 597 | s2255_fillbuff(channel, buf, jpgsize); |
38f993ad | 598 | wake_up(&buf->vb.done); |
85b85482 | 599 | dprintk(2, "%s: [buf/i] [%p/%d]\n", __func__, buf, buf->vb.i); |
38f993ad DA |
600 | unlock: |
601 | spin_unlock_irqrestore(&dev->slock, flags); | |
f2770979 | 602 | return rc; |
38f993ad DA |
603 | } |
604 | ||
38f993ad DA |
605 | static const struct s2255_fmt *format_by_fourcc(int fourcc) |
606 | { | |
607 | unsigned int i; | |
38f993ad DA |
608 | for (i = 0; i < ARRAY_SIZE(formats); i++) { |
609 | if (-1 == formats[i].fourcc) | |
610 | continue; | |
611 | if (formats[i].fourcc == fourcc) | |
612 | return formats + i; | |
613 | } | |
614 | return NULL; | |
615 | } | |
616 | ||
38f993ad DA |
617 | /* video buffer vmalloc implementation based partly on VIVI driver which is |
618 | * Copyright (c) 2006 by | |
619 | * Mauro Carvalho Chehab <mchehab--a.t--infradead.org> | |
620 | * Ted Walther <ted--a.t--enumera.com> | |
621 | * John Sokol <sokol--a.t--videotechnology.com> | |
622 | * http://v4l.videotechnology.com/ | |
623 | * | |
624 | */ | |
fe85ce90 DA |
625 | static void s2255_fillbuff(struct s2255_channel *channel, |
626 | struct s2255_buffer *buf, int jpgsize) | |
38f993ad DA |
627 | { |
628 | int pos = 0; | |
629 | struct timeval ts; | |
630 | const char *tmpbuf; | |
631 | char *vbuf = videobuf_to_vmalloc(&buf->vb); | |
632 | unsigned long last_frame; | |
633 | struct s2255_framei *frm; | |
634 | ||
635 | if (!vbuf) | |
636 | return; | |
fe85ce90 | 637 | last_frame = channel->last_frame; |
38f993ad | 638 | if (last_frame != -1) { |
fe85ce90 | 639 | frm = &channel->buffer.frame[last_frame]; |
38f993ad | 640 | tmpbuf = |
fe85ce90 | 641 | (const char *)channel->buffer.frame[last_frame].lpvbits; |
38f993ad DA |
642 | switch (buf->fmt->fourcc) { |
643 | case V4L2_PIX_FMT_YUYV: | |
644 | case V4L2_PIX_FMT_UYVY: | |
645 | planar422p_to_yuv_packed((const unsigned char *)tmpbuf, | |
646 | vbuf, buf->vb.width, | |
647 | buf->vb.height, | |
648 | buf->fmt->fourcc); | |
649 | break; | |
650 | case V4L2_PIX_FMT_GREY: | |
651 | memcpy(vbuf, tmpbuf, buf->vb.width * buf->vb.height); | |
652 | break; | |
14d96260 DA |
653 | case V4L2_PIX_FMT_JPEG: |
654 | buf->vb.size = jpgsize; | |
655 | memcpy(vbuf, tmpbuf, buf->vb.size); | |
656 | break; | |
38f993ad DA |
657 | case V4L2_PIX_FMT_YUV422P: |
658 | memcpy(vbuf, tmpbuf, | |
659 | buf->vb.width * buf->vb.height * 2); | |
660 | break; | |
661 | default: | |
662 | printk(KERN_DEBUG "s2255: unknown format?\n"); | |
663 | } | |
fe85ce90 | 664 | channel->last_frame = -1; |
38f993ad DA |
665 | } else { |
666 | printk(KERN_ERR "s2255: =======no frame\n"); | |
667 | return; | |
668 | ||
669 | } | |
670 | dprintk(2, "s2255fill at : Buffer 0x%08lx size= %d\n", | |
671 | (unsigned long)vbuf, pos); | |
672 | /* tell v4l buffer was filled */ | |
673 | ||
fe85ce90 | 674 | buf->vb.field_count = channel->frame_count * 2; |
38f993ad DA |
675 | do_gettimeofday(&ts); |
676 | buf->vb.ts = ts; | |
677 | buf->vb.state = VIDEOBUF_DONE; | |
678 | } | |
679 | ||
680 | ||
681 | /* ------------------------------------------------------------------ | |
682 | Videobuf operations | |
683 | ------------------------------------------------------------------*/ | |
684 | ||
685 | static int buffer_setup(struct videobuf_queue *vq, unsigned int *count, | |
686 | unsigned int *size) | |
687 | { | |
688 | struct s2255_fh *fh = vq->priv_data; | |
fe85ce90 DA |
689 | struct s2255_channel *channel = fh->channel; |
690 | *size = channel->width * channel->height * (channel->fmt->depth >> 3); | |
38f993ad DA |
691 | |
692 | if (0 == *count) | |
693 | *count = S2255_DEF_BUFS; | |
694 | ||
dab7e310 AB |
695 | if (*size * *count > vid_limit * 1024 * 1024) |
696 | *count = (vid_limit * 1024 * 1024) / *size; | |
38f993ad DA |
697 | |
698 | return 0; | |
699 | } | |
700 | ||
701 | static void free_buffer(struct videobuf_queue *vq, struct s2255_buffer *buf) | |
702 | { | |
703 | dprintk(4, "%s\n", __func__); | |
704 | ||
38f993ad DA |
705 | videobuf_vmalloc_free(&buf->vb); |
706 | buf->vb.state = VIDEOBUF_NEEDS_INIT; | |
707 | } | |
708 | ||
709 | static int buffer_prepare(struct videobuf_queue *vq, struct videobuf_buffer *vb, | |
710 | enum v4l2_field field) | |
711 | { | |
712 | struct s2255_fh *fh = vq->priv_data; | |
fe85ce90 | 713 | struct s2255_channel *channel = fh->channel; |
38f993ad DA |
714 | struct s2255_buffer *buf = container_of(vb, struct s2255_buffer, vb); |
715 | int rc; | |
fe85ce90 DA |
716 | int w = channel->width; |
717 | int h = channel->height; | |
38f993ad | 718 | dprintk(4, "%s, field=%d\n", __func__, field); |
fe85ce90 | 719 | if (channel->fmt == NULL) |
38f993ad DA |
720 | return -EINVAL; |
721 | ||
fe85ce90 DA |
722 | if ((w < norm_minw(&channel->vdev)) || |
723 | (w > norm_maxw(&channel->vdev)) || | |
724 | (h < norm_minh(&channel->vdev)) || | |
725 | (h > norm_maxh(&channel->vdev))) { | |
38f993ad DA |
726 | dprintk(4, "invalid buffer prepare\n"); |
727 | return -EINVAL; | |
728 | } | |
fe85ce90 | 729 | buf->vb.size = w * h * (channel->fmt->depth >> 3); |
38f993ad DA |
730 | if (0 != buf->vb.baddr && buf->vb.bsize < buf->vb.size) { |
731 | dprintk(4, "invalid buffer prepare\n"); | |
732 | return -EINVAL; | |
733 | } | |
734 | ||
fe85ce90 DA |
735 | buf->fmt = channel->fmt; |
736 | buf->vb.width = w; | |
737 | buf->vb.height = h; | |
38f993ad DA |
738 | buf->vb.field = field; |
739 | ||
38f993ad DA |
740 | if (VIDEOBUF_NEEDS_INIT == buf->vb.state) { |
741 | rc = videobuf_iolock(vq, &buf->vb, NULL); | |
742 | if (rc < 0) | |
743 | goto fail; | |
744 | } | |
745 | ||
746 | buf->vb.state = VIDEOBUF_PREPARED; | |
747 | return 0; | |
748 | fail: | |
749 | free_buffer(vq, buf); | |
750 | return rc; | |
751 | } | |
752 | ||
753 | static void buffer_queue(struct videobuf_queue *vq, struct videobuf_buffer *vb) | |
754 | { | |
755 | struct s2255_buffer *buf = container_of(vb, struct s2255_buffer, vb); | |
756 | struct s2255_fh *fh = vq->priv_data; | |
fe85ce90 DA |
757 | struct s2255_channel *channel = fh->channel; |
758 | struct s2255_dmaqueue *vidq = &channel->vidq; | |
38f993ad | 759 | dprintk(1, "%s\n", __func__); |
38f993ad DA |
760 | buf->vb.state = VIDEOBUF_QUEUED; |
761 | list_add_tail(&buf->vb.queue, &vidq->active); | |
762 | } | |
763 | ||
764 | static void buffer_release(struct videobuf_queue *vq, | |
765 | struct videobuf_buffer *vb) | |
766 | { | |
767 | struct s2255_buffer *buf = container_of(vb, struct s2255_buffer, vb); | |
768 | struct s2255_fh *fh = vq->priv_data; | |
fe85ce90 | 769 | dprintk(4, "%s %d\n", __func__, fh->channel->idx); |
38f993ad DA |
770 | free_buffer(vq, buf); |
771 | } | |
772 | ||
773 | static struct videobuf_queue_ops s2255_video_qops = { | |
774 | .buf_setup = buffer_setup, | |
775 | .buf_prepare = buffer_prepare, | |
776 | .buf_queue = buffer_queue, | |
777 | .buf_release = buffer_release, | |
778 | }; | |
779 | ||
780 | ||
fe85ce90 | 781 | static int res_get(struct s2255_fh *fh) |
38f993ad | 782 | { |
fe85ce90 | 783 | struct s2255_dev *dev = fh->dev; |
38f993ad | 784 | /* is it free? */ |
fe85ce90 | 785 | struct s2255_channel *channel = fh->channel; |
38f993ad | 786 | mutex_lock(&dev->lock); |
fe85ce90 | 787 | if (channel->resources) { |
38f993ad DA |
788 | /* no, someone else uses it */ |
789 | mutex_unlock(&dev->lock); | |
790 | return 0; | |
791 | } | |
792 | /* it's free, grab it */ | |
fe85ce90 DA |
793 | channel->resources = 1; |
794 | fh->resources = 1; | |
f78d92c9 | 795 | dprintk(1, "s2255: res: get\n"); |
38f993ad DA |
796 | mutex_unlock(&dev->lock); |
797 | return 1; | |
798 | } | |
799 | ||
fe85ce90 | 800 | static int res_locked(struct s2255_fh *fh) |
38f993ad | 801 | { |
fe85ce90 | 802 | return fh->channel->resources; |
38f993ad DA |
803 | } |
804 | ||
f78d92c9 DA |
805 | static int res_check(struct s2255_fh *fh) |
806 | { | |
fe85ce90 | 807 | return fh->resources; |
f78d92c9 DA |
808 | } |
809 | ||
810 | ||
fe85ce90 | 811 | static void res_free(struct s2255_fh *fh) |
38f993ad | 812 | { |
fe85ce90 DA |
813 | struct s2255_channel *channel = fh->channel; |
814 | struct s2255_dev *dev = fh->dev; | |
f78d92c9 | 815 | mutex_lock(&dev->lock); |
fe85ce90 DA |
816 | channel->resources = 0; |
817 | fh->resources = 0; | |
f78d92c9 | 818 | mutex_unlock(&dev->lock); |
38f993ad DA |
819 | dprintk(1, "res: put\n"); |
820 | } | |
821 | ||
5a34d9df DA |
822 | static int vidioc_querymenu(struct file *file, void *priv, |
823 | struct v4l2_querymenu *qmenu) | |
824 | { | |
825 | static const char *colorfilter[] = { | |
826 | "Off", | |
827 | "On", | |
828 | NULL | |
829 | }; | |
830 | if (qmenu->id == V4L2_CID_PRIVATE_COLORFILTER) { | |
831 | int i; | |
832 | const char **menu_items = colorfilter; | |
833 | for (i = 0; i < qmenu->index && menu_items[i]; i++) | |
834 | ; /* do nothing (from v4l2-common.c) */ | |
835 | if (menu_items[i] == NULL || menu_items[i][0] == '\0') | |
836 | return -EINVAL; | |
837 | strlcpy(qmenu->name, menu_items[qmenu->index], | |
838 | sizeof(qmenu->name)); | |
839 | return 0; | |
840 | } | |
841 | return v4l2_ctrl_query_menu(qmenu, NULL, NULL); | |
842 | } | |
843 | ||
38f993ad DA |
844 | static int vidioc_querycap(struct file *file, void *priv, |
845 | struct v4l2_capability *cap) | |
846 | { | |
847 | struct s2255_fh *fh = file->private_data; | |
848 | struct s2255_dev *dev = fh->dev; | |
849 | strlcpy(cap->driver, "s2255", sizeof(cap->driver)); | |
850 | strlcpy(cap->card, "s2255", sizeof(cap->card)); | |
e22ed887 | 851 | usb_make_path(dev->udev, cap->bus_info, sizeof(cap->bus_info)); |
38f993ad DA |
852 | cap->version = S2255_VERSION; |
853 | cap->capabilities = V4L2_CAP_VIDEO_CAPTURE | V4L2_CAP_STREAMING; | |
854 | return 0; | |
855 | } | |
856 | ||
857 | static int vidioc_enum_fmt_vid_cap(struct file *file, void *priv, | |
858 | struct v4l2_fmtdesc *f) | |
859 | { | |
860 | int index = 0; | |
861 | if (f) | |
862 | index = f->index; | |
863 | ||
864 | if (index >= ARRAY_SIZE(formats)) | |
865 | return -EINVAL; | |
866 | ||
867 | dprintk(4, "name %s\n", formats[index].name); | |
868 | strlcpy(f->description, formats[index].name, sizeof(f->description)); | |
869 | f->pixelformat = formats[index].fourcc; | |
870 | return 0; | |
871 | } | |
872 | ||
873 | static int vidioc_g_fmt_vid_cap(struct file *file, void *priv, | |
874 | struct v4l2_format *f) | |
875 | { | |
876 | struct s2255_fh *fh = priv; | |
fe85ce90 | 877 | struct s2255_channel *channel = fh->channel; |
38f993ad | 878 | |
fe85ce90 DA |
879 | f->fmt.pix.width = channel->width; |
880 | f->fmt.pix.height = channel->height; | |
38f993ad | 881 | f->fmt.pix.field = fh->vb_vidq.field; |
fe85ce90 DA |
882 | f->fmt.pix.pixelformat = channel->fmt->fourcc; |
883 | f->fmt.pix.bytesperline = f->fmt.pix.width * (channel->fmt->depth >> 3); | |
38f993ad | 884 | f->fmt.pix.sizeimage = f->fmt.pix.height * f->fmt.pix.bytesperline; |
3f8d6f73 | 885 | return 0; |
38f993ad DA |
886 | } |
887 | ||
888 | static int vidioc_try_fmt_vid_cap(struct file *file, void *priv, | |
889 | struct v4l2_format *f) | |
890 | { | |
891 | const struct s2255_fmt *fmt; | |
892 | enum v4l2_field field; | |
893 | int b_any_field = 0; | |
894 | struct s2255_fh *fh = priv; | |
fe85ce90 | 895 | struct s2255_channel *channel = fh->channel; |
38f993ad | 896 | int is_ntsc; |
38f993ad | 897 | is_ntsc = |
fe85ce90 | 898 | (channel->vdev.current_norm & V4L2_STD_NTSC) ? 1 : 0; |
38f993ad DA |
899 | |
900 | fmt = format_by_fourcc(f->fmt.pix.pixelformat); | |
901 | ||
902 | if (fmt == NULL) | |
903 | return -EINVAL; | |
904 | ||
905 | field = f->fmt.pix.field; | |
906 | if (field == V4L2_FIELD_ANY) | |
907 | b_any_field = 1; | |
908 | ||
85b85482 DA |
909 | dprintk(50, "%s NTSC: %d suggested width: %d, height: %d\n", |
910 | __func__, is_ntsc, f->fmt.pix.width, f->fmt.pix.height); | |
38f993ad DA |
911 | if (is_ntsc) { |
912 | /* NTSC */ | |
913 | if (f->fmt.pix.height >= NUM_LINES_1CIFS_NTSC * 2) { | |
914 | f->fmt.pix.height = NUM_LINES_1CIFS_NTSC * 2; | |
915 | if (b_any_field) { | |
916 | field = V4L2_FIELD_SEQ_TB; | |
917 | } else if (!((field == V4L2_FIELD_INTERLACED) || | |
918 | (field == V4L2_FIELD_SEQ_TB) || | |
919 | (field == V4L2_FIELD_INTERLACED_TB))) { | |
920 | dprintk(1, "unsupported field setting\n"); | |
921 | return -EINVAL; | |
922 | } | |
923 | } else { | |
924 | f->fmt.pix.height = NUM_LINES_1CIFS_NTSC; | |
925 | if (b_any_field) { | |
926 | field = V4L2_FIELD_TOP; | |
927 | } else if (!((field == V4L2_FIELD_TOP) || | |
928 | (field == V4L2_FIELD_BOTTOM))) { | |
929 | dprintk(1, "unsupported field setting\n"); | |
930 | return -EINVAL; | |
931 | } | |
932 | ||
933 | } | |
934 | if (f->fmt.pix.width >= LINE_SZ_4CIFS_NTSC) | |
935 | f->fmt.pix.width = LINE_SZ_4CIFS_NTSC; | |
936 | else if (f->fmt.pix.width >= LINE_SZ_2CIFS_NTSC) | |
937 | f->fmt.pix.width = LINE_SZ_2CIFS_NTSC; | |
938 | else if (f->fmt.pix.width >= LINE_SZ_1CIFS_NTSC) | |
939 | f->fmt.pix.width = LINE_SZ_1CIFS_NTSC; | |
940 | else | |
941 | f->fmt.pix.width = LINE_SZ_1CIFS_NTSC; | |
942 | } else { | |
943 | /* PAL */ | |
944 | if (f->fmt.pix.height >= NUM_LINES_1CIFS_PAL * 2) { | |
945 | f->fmt.pix.height = NUM_LINES_1CIFS_PAL * 2; | |
946 | if (b_any_field) { | |
947 | field = V4L2_FIELD_SEQ_TB; | |
948 | } else if (!((field == V4L2_FIELD_INTERLACED) || | |
949 | (field == V4L2_FIELD_SEQ_TB) || | |
950 | (field == V4L2_FIELD_INTERLACED_TB))) { | |
951 | dprintk(1, "unsupported field setting\n"); | |
952 | return -EINVAL; | |
953 | } | |
954 | } else { | |
955 | f->fmt.pix.height = NUM_LINES_1CIFS_PAL; | |
956 | if (b_any_field) { | |
957 | field = V4L2_FIELD_TOP; | |
958 | } else if (!((field == V4L2_FIELD_TOP) || | |
959 | (field == V4L2_FIELD_BOTTOM))) { | |
960 | dprintk(1, "unsupported field setting\n"); | |
961 | return -EINVAL; | |
962 | } | |
963 | } | |
964 | if (f->fmt.pix.width >= LINE_SZ_4CIFS_PAL) { | |
38f993ad DA |
965 | f->fmt.pix.width = LINE_SZ_4CIFS_PAL; |
966 | field = V4L2_FIELD_SEQ_TB; | |
967 | } else if (f->fmt.pix.width >= LINE_SZ_2CIFS_PAL) { | |
38f993ad DA |
968 | f->fmt.pix.width = LINE_SZ_2CIFS_PAL; |
969 | field = V4L2_FIELD_TOP; | |
970 | } else if (f->fmt.pix.width >= LINE_SZ_1CIFS_PAL) { | |
38f993ad DA |
971 | f->fmt.pix.width = LINE_SZ_1CIFS_PAL; |
972 | field = V4L2_FIELD_TOP; | |
973 | } else { | |
38f993ad DA |
974 | f->fmt.pix.width = LINE_SZ_1CIFS_PAL; |
975 | field = V4L2_FIELD_TOP; | |
976 | } | |
977 | } | |
38f993ad DA |
978 | f->fmt.pix.field = field; |
979 | f->fmt.pix.bytesperline = (f->fmt.pix.width * fmt->depth) >> 3; | |
980 | f->fmt.pix.sizeimage = f->fmt.pix.height * f->fmt.pix.bytesperline; | |
85b85482 DA |
981 | dprintk(50, "%s: set width %d height %d field %d\n", __func__, |
982 | f->fmt.pix.width, f->fmt.pix.height, f->fmt.pix.field); | |
38f993ad DA |
983 | return 0; |
984 | } | |
985 | ||
986 | static int vidioc_s_fmt_vid_cap(struct file *file, void *priv, | |
987 | struct v4l2_format *f) | |
988 | { | |
989 | struct s2255_fh *fh = priv; | |
fe85ce90 | 990 | struct s2255_channel *channel = fh->channel; |
38f993ad DA |
991 | const struct s2255_fmt *fmt; |
992 | struct videobuf_queue *q = &fh->vb_vidq; | |
fe85ce90 | 993 | struct s2255_mode mode; |
38f993ad DA |
994 | int ret; |
995 | int norm; | |
996 | ||
997 | ret = vidioc_try_fmt_vid_cap(file, fh, f); | |
998 | ||
999 | if (ret < 0) | |
3f8d6f73 | 1000 | return ret; |
38f993ad DA |
1001 | |
1002 | fmt = format_by_fourcc(f->fmt.pix.pixelformat); | |
1003 | ||
1004 | if (fmt == NULL) | |
1005 | return -EINVAL; | |
1006 | ||
1007 | mutex_lock(&q->vb_lock); | |
1008 | ||
1009 | if (videobuf_queue_is_busy(&fh->vb_vidq)) { | |
1010 | dprintk(1, "queue busy\n"); | |
1011 | ret = -EBUSY; | |
1012 | goto out_s_fmt; | |
1013 | } | |
1014 | ||
fe85ce90 | 1015 | if (res_locked(fh)) { |
85b85482 | 1016 | dprintk(1, "%s: channel busy\n", __func__); |
38f993ad DA |
1017 | ret = -EBUSY; |
1018 | goto out_s_fmt; | |
1019 | } | |
fe85ce90 DA |
1020 | mode = channel->mode; |
1021 | channel->fmt = fmt; | |
1022 | channel->width = f->fmt.pix.width; | |
1023 | channel->height = f->fmt.pix.height; | |
38f993ad DA |
1024 | fh->vb_vidq.field = f->fmt.pix.field; |
1025 | fh->type = f->type; | |
fe85ce90 DA |
1026 | norm = norm_minw(&channel->vdev); |
1027 | if (channel->width > norm_minw(&channel->vdev)) { | |
1028 | if (channel->height > norm_minh(&channel->vdev)) { | |
1029 | if (channel->cap_parm.capturemode & | |
85b85482 | 1030 | V4L2_MODE_HIGHQUALITY) |
fe85ce90 | 1031 | mode.scale = SCALE_4CIFSI; |
85b85482 | 1032 | else |
fe85ce90 | 1033 | mode.scale = SCALE_4CIFS; |
7d853532 | 1034 | } else |
fe85ce90 | 1035 | mode.scale = SCALE_2CIFS; |
38f993ad DA |
1036 | |
1037 | } else { | |
fe85ce90 | 1038 | mode.scale = SCALE_1CIFS; |
38f993ad | 1039 | } |
38f993ad | 1040 | /* color mode */ |
fe85ce90 | 1041 | switch (channel->fmt->fourcc) { |
38f993ad | 1042 | case V4L2_PIX_FMT_GREY: |
fe85ce90 DA |
1043 | mode.color &= ~MASK_COLOR; |
1044 | mode.color |= COLOR_Y8; | |
38f993ad | 1045 | break; |
14d96260 | 1046 | case V4L2_PIX_FMT_JPEG: |
fe85ce90 DA |
1047 | mode.color &= ~MASK_COLOR; |
1048 | mode.color |= COLOR_JPG; | |
1049 | mode.color |= (channel->jc.quality << 8); | |
14d96260 | 1050 | break; |
38f993ad | 1051 | case V4L2_PIX_FMT_YUV422P: |
fe85ce90 DA |
1052 | mode.color &= ~MASK_COLOR; |
1053 | mode.color |= COLOR_YUVPL; | |
38f993ad DA |
1054 | break; |
1055 | case V4L2_PIX_FMT_YUYV: | |
1056 | case V4L2_PIX_FMT_UYVY: | |
1057 | default: | |
fe85ce90 DA |
1058 | mode.color &= ~MASK_COLOR; |
1059 | mode.color |= COLOR_YUVPK; | |
38f993ad DA |
1060 | break; |
1061 | } | |
fe85ce90 DA |
1062 | if ((mode.color & MASK_COLOR) != (channel->mode.color & MASK_COLOR)) |
1063 | mode.restart = 1; | |
1064 | else if (mode.scale != channel->mode.scale) | |
1065 | mode.restart = 1; | |
1066 | else if (mode.format != channel->mode.format) | |
1067 | mode.restart = 1; | |
1068 | channel->mode = mode; | |
1069 | (void) s2255_set_mode(channel, &mode); | |
38f993ad DA |
1070 | ret = 0; |
1071 | out_s_fmt: | |
1072 | mutex_unlock(&q->vb_lock); | |
1073 | return ret; | |
1074 | } | |
1075 | ||
1076 | static int vidioc_reqbufs(struct file *file, void *priv, | |
1077 | struct v4l2_requestbuffers *p) | |
1078 | { | |
1079 | int rc; | |
1080 | struct s2255_fh *fh = priv; | |
1081 | rc = videobuf_reqbufs(&fh->vb_vidq, p); | |
1082 | return rc; | |
1083 | } | |
1084 | ||
1085 | static int vidioc_querybuf(struct file *file, void *priv, struct v4l2_buffer *p) | |
1086 | { | |
1087 | int rc; | |
1088 | struct s2255_fh *fh = priv; | |
1089 | rc = videobuf_querybuf(&fh->vb_vidq, p); | |
1090 | return rc; | |
1091 | } | |
1092 | ||
1093 | static int vidioc_qbuf(struct file *file, void *priv, struct v4l2_buffer *p) | |
1094 | { | |
1095 | int rc; | |
1096 | struct s2255_fh *fh = priv; | |
1097 | rc = videobuf_qbuf(&fh->vb_vidq, p); | |
1098 | return rc; | |
1099 | } | |
1100 | ||
1101 | static int vidioc_dqbuf(struct file *file, void *priv, struct v4l2_buffer *p) | |
1102 | { | |
1103 | int rc; | |
1104 | struct s2255_fh *fh = priv; | |
1105 | rc = videobuf_dqbuf(&fh->vb_vidq, p, file->f_flags & O_NONBLOCK); | |
1106 | return rc; | |
1107 | } | |
1108 | ||
1109 | #ifdef CONFIG_VIDEO_V4L1_COMPAT | |
1110 | static int vidioc_cgmbuf(struct file *file, void *priv, struct video_mbuf *mbuf) | |
1111 | { | |
1112 | struct s2255_fh *fh = priv; | |
1113 | ||
1114 | return videobuf_cgmbuf(&fh->vb_vidq, mbuf, 8); | |
1115 | } | |
1116 | #endif | |
1117 | ||
1118 | /* write to the configuration pipe, synchronously */ | |
1119 | static int s2255_write_config(struct usb_device *udev, unsigned char *pbuf, | |
1120 | int size) | |
1121 | { | |
1122 | int pipe; | |
1123 | int done; | |
1124 | long retval = -1; | |
1125 | if (udev) { | |
1126 | pipe = usb_sndbulkpipe(udev, S2255_CONFIG_EP); | |
1127 | retval = usb_bulk_msg(udev, pipe, pbuf, size, &done, 500); | |
1128 | } | |
1129 | return retval; | |
1130 | } | |
1131 | ||
1132 | static u32 get_transfer_size(struct s2255_mode *mode) | |
1133 | { | |
1134 | int linesPerFrame = LINE_SZ_DEF; | |
1135 | int pixelsPerLine = NUM_LINES_DEF; | |
1136 | u32 outImageSize; | |
1137 | u32 usbInSize; | |
1138 | unsigned int mask_mult; | |
1139 | ||
1140 | if (mode == NULL) | |
1141 | return 0; | |
1142 | ||
1143 | if (mode->format == FORMAT_NTSC) { | |
1144 | switch (mode->scale) { | |
1145 | case SCALE_4CIFS: | |
7d853532 | 1146 | case SCALE_4CIFSI: |
38f993ad DA |
1147 | linesPerFrame = NUM_LINES_4CIFS_NTSC * 2; |
1148 | pixelsPerLine = LINE_SZ_4CIFS_NTSC; | |
1149 | break; | |
1150 | case SCALE_2CIFS: | |
1151 | linesPerFrame = NUM_LINES_2CIFS_NTSC; | |
1152 | pixelsPerLine = LINE_SZ_2CIFS_NTSC; | |
1153 | break; | |
1154 | case SCALE_1CIFS: | |
1155 | linesPerFrame = NUM_LINES_1CIFS_NTSC; | |
1156 | pixelsPerLine = LINE_SZ_1CIFS_NTSC; | |
1157 | break; | |
1158 | default: | |
1159 | break; | |
1160 | } | |
1161 | } else if (mode->format == FORMAT_PAL) { | |
1162 | switch (mode->scale) { | |
1163 | case SCALE_4CIFS: | |
7d853532 | 1164 | case SCALE_4CIFSI: |
38f993ad DA |
1165 | linesPerFrame = NUM_LINES_4CIFS_PAL * 2; |
1166 | pixelsPerLine = LINE_SZ_4CIFS_PAL; | |
1167 | break; | |
1168 | case SCALE_2CIFS: | |
1169 | linesPerFrame = NUM_LINES_2CIFS_PAL; | |
1170 | pixelsPerLine = LINE_SZ_2CIFS_PAL; | |
1171 | break; | |
1172 | case SCALE_1CIFS: | |
1173 | linesPerFrame = NUM_LINES_1CIFS_PAL; | |
1174 | pixelsPerLine = LINE_SZ_1CIFS_PAL; | |
1175 | break; | |
1176 | default: | |
1177 | break; | |
1178 | } | |
1179 | } | |
1180 | outImageSize = linesPerFrame * pixelsPerLine; | |
14d96260 | 1181 | if ((mode->color & MASK_COLOR) != COLOR_Y8) { |
38f993ad DA |
1182 | /* 2 bytes/pixel if not monochrome */ |
1183 | outImageSize *= 2; | |
1184 | } | |
1185 | ||
1186 | /* total bytes to send including prefix and 4K padding; | |
1187 | must be a multiple of USB_READ_SIZE */ | |
1188 | usbInSize = outImageSize + PREFIX_SIZE; /* always send prefix */ | |
1189 | mask_mult = 0xffffffffUL - DEF_USB_BLOCK + 1; | |
1190 | /* if size not a multiple of USB_READ_SIZE */ | |
1191 | if (usbInSize & ~mask_mult) | |
1192 | usbInSize = (usbInSize & mask_mult) + (DEF_USB_BLOCK); | |
1193 | return usbInSize; | |
1194 | } | |
1195 | ||
85b85482 | 1196 | static void s2255_print_cfg(struct s2255_dev *sdev, struct s2255_mode *mode) |
38f993ad DA |
1197 | { |
1198 | struct device *dev = &sdev->udev->dev; | |
1199 | dev_info(dev, "------------------------------------------------\n"); | |
85b85482 DA |
1200 | dev_info(dev, "format: %d\nscale %d\n", mode->format, mode->scale); |
1201 | dev_info(dev, "fdec: %d\ncolor %d\n", mode->fdec, mode->color); | |
38f993ad | 1202 | dev_info(dev, "bright: 0x%x\n", mode->bright); |
38f993ad DA |
1203 | dev_info(dev, "------------------------------------------------\n"); |
1204 | } | |
1205 | ||
1206 | /* | |
1207 | * set mode is the function which controls the DSP. | |
1208 | * the restart parameter in struct s2255_mode should be set whenever | |
1209 | * the image size could change via color format, video system or image | |
1210 | * size. | |
1211 | * When the restart parameter is set, we sleep for ONE frame to allow the | |
1212 | * DSP time to get the new frame | |
1213 | */ | |
fe85ce90 | 1214 | static int s2255_set_mode(struct s2255_channel *channel, |
38f993ad DA |
1215 | struct s2255_mode *mode) |
1216 | { | |
1217 | int res; | |
3fa00605 | 1218 | __le32 *buffer; |
38f993ad | 1219 | unsigned long chn_rev; |
fe85ce90 | 1220 | struct s2255_dev *dev = to_s2255_dev(channel->vdev.v4l2_dev); |
14d96260 | 1221 | mutex_lock(&dev->lock); |
fe85ce90 DA |
1222 | chn_rev = G_chnmap[channel->idx]; |
1223 | dprintk(3, "%s channel: %d\n", __func__, channel->idx); | |
22b88d48 | 1224 | /* if JPEG, set the quality */ |
5a34d9df DA |
1225 | if ((mode->color & MASK_COLOR) == COLOR_JPG) { |
1226 | mode->color &= ~MASK_COLOR; | |
1227 | mode->color |= COLOR_JPG; | |
1228 | mode->color &= ~MASK_JPG_QUALITY; | |
fe85ce90 | 1229 | mode->color |= (channel->jc.quality << 8); |
5a34d9df | 1230 | } |
38f993ad | 1231 | /* save the mode */ |
fe85ce90 DA |
1232 | channel->mode = *mode; |
1233 | channel->req_image_size = get_transfer_size(mode); | |
1234 | dprintk(1, "%s: reqsize %ld\n", __func__, channel->req_image_size); | |
38f993ad DA |
1235 | buffer = kzalloc(512, GFP_KERNEL); |
1236 | if (buffer == NULL) { | |
1237 | dev_err(&dev->udev->dev, "out of mem\n"); | |
14d96260 | 1238 | mutex_unlock(&dev->lock); |
38f993ad DA |
1239 | return -ENOMEM; |
1240 | } | |
38f993ad DA |
1241 | /* set the mode */ |
1242 | buffer[0] = IN_DATA_TOKEN; | |
3fa00605 | 1243 | buffer[1] = (__le32) cpu_to_le32(chn_rev); |
38f993ad | 1244 | buffer[2] = CMD_SET_MODE; |
fe85ce90 DA |
1245 | memcpy(&buffer[3], &channel->mode, sizeof(struct s2255_mode)); |
1246 | channel->setmode_ready = 0; | |
38f993ad DA |
1247 | res = s2255_write_config(dev->udev, (unsigned char *)buffer, 512); |
1248 | if (debug) | |
85b85482 | 1249 | s2255_print_cfg(dev, mode); |
38f993ad | 1250 | kfree(buffer); |
38f993ad | 1251 | /* wait at least 3 frames before continuing */ |
14d96260 | 1252 | if (mode->restart) { |
fe85ce90 DA |
1253 | wait_event_timeout(channel->wait_setmode, |
1254 | (channel->setmode_ready != 0), | |
14d96260 | 1255 | msecs_to_jiffies(S2255_SETMODE_TIMEOUT)); |
fe85ce90 | 1256 | if (channel->setmode_ready != 1) { |
14d96260 DA |
1257 | printk(KERN_DEBUG "s2255: no set mode response\n"); |
1258 | res = -EFAULT; | |
1259 | } | |
1260 | } | |
38f993ad | 1261 | /* clear the restart flag */ |
fe85ce90 | 1262 | channel->mode.restart = 0; |
14d96260 | 1263 | mutex_unlock(&dev->lock); |
fe85ce90 | 1264 | dprintk(1, "%s chn %d, result: %d\n", __func__, channel->idx, res); |
38f993ad DA |
1265 | return res; |
1266 | } | |
1267 | ||
fe85ce90 | 1268 | static int s2255_cmd_status(struct s2255_channel *channel, u32 *pstatus) |
4de39f5d DA |
1269 | { |
1270 | int res; | |
3fa00605 | 1271 | __le32 *buffer; |
4de39f5d | 1272 | u32 chn_rev; |
fe85ce90 | 1273 | struct s2255_dev *dev = to_s2255_dev(channel->vdev.v4l2_dev); |
4de39f5d | 1274 | mutex_lock(&dev->lock); |
fe85ce90 DA |
1275 | chn_rev = G_chnmap[channel->idx]; |
1276 | dprintk(4, "%s chan %d\n", __func__, channel->idx); | |
4de39f5d DA |
1277 | buffer = kzalloc(512, GFP_KERNEL); |
1278 | if (buffer == NULL) { | |
1279 | dev_err(&dev->udev->dev, "out of mem\n"); | |
1280 | mutex_unlock(&dev->lock); | |
1281 | return -ENOMEM; | |
1282 | } | |
1283 | /* form the get vid status command */ | |
1284 | buffer[0] = IN_DATA_TOKEN; | |
3fa00605 | 1285 | buffer[1] = (__le32) cpu_to_le32(chn_rev); |
4de39f5d DA |
1286 | buffer[2] = CMD_STATUS; |
1287 | *pstatus = 0; | |
fe85ce90 | 1288 | channel->vidstatus_ready = 0; |
4de39f5d DA |
1289 | res = s2255_write_config(dev->udev, (unsigned char *)buffer, 512); |
1290 | kfree(buffer); | |
fe85ce90 DA |
1291 | wait_event_timeout(channel->wait_vidstatus, |
1292 | (channel->vidstatus_ready != 0), | |
4de39f5d | 1293 | msecs_to_jiffies(S2255_VIDSTATUS_TIMEOUT)); |
fe85ce90 | 1294 | if (channel->vidstatus_ready != 1) { |
4de39f5d DA |
1295 | printk(KERN_DEBUG "s2255: no vidstatus response\n"); |
1296 | res = -EFAULT; | |
1297 | } | |
fe85ce90 | 1298 | *pstatus = channel->vidstatus; |
4de39f5d DA |
1299 | dprintk(4, "%s, vid status %d\n", __func__, *pstatus); |
1300 | mutex_unlock(&dev->lock); | |
1301 | return res; | |
1302 | } | |
1303 | ||
38f993ad DA |
1304 | static int vidioc_streamon(struct file *file, void *priv, enum v4l2_buf_type i) |
1305 | { | |
1306 | int res; | |
1307 | struct s2255_fh *fh = priv; | |
1308 | struct s2255_dev *dev = fh->dev; | |
fe85ce90 | 1309 | struct s2255_channel *channel = fh->channel; |
38f993ad DA |
1310 | int j; |
1311 | dprintk(4, "%s\n", __func__); | |
1312 | if (fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) { | |
1313 | dev_err(&dev->udev->dev, "invalid fh type0\n"); | |
1314 | return -EINVAL; | |
1315 | } | |
1316 | if (i != fh->type) { | |
1317 | dev_err(&dev->udev->dev, "invalid fh type1\n"); | |
1318 | return -EINVAL; | |
1319 | } | |
1320 | ||
fe85ce90 | 1321 | if (!res_get(fh)) { |
be9ed511 | 1322 | s2255_dev_err(&dev->udev->dev, "stream busy\n"); |
38f993ad DA |
1323 | return -EBUSY; |
1324 | } | |
fe85ce90 DA |
1325 | channel->last_frame = -1; |
1326 | channel->bad_payload = 0; | |
1327 | channel->cur_frame = 0; | |
1328 | channel->frame_count = 0; | |
38f993ad | 1329 | for (j = 0; j < SYS_FRAMES; j++) { |
fe85ce90 DA |
1330 | channel->buffer.frame[j].ulState = S2255_READ_IDLE; |
1331 | channel->buffer.frame[j].cur_size = 0; | |
38f993ad DA |
1332 | } |
1333 | res = videobuf_streamon(&fh->vb_vidq); | |
1334 | if (res == 0) { | |
fe85ce90 DA |
1335 | s2255_start_acquire(channel); |
1336 | channel->b_acquire = 1; | |
1337 | } else | |
1338 | res_free(fh); | |
1339 | ||
38f993ad DA |
1340 | return res; |
1341 | } | |
1342 | ||
1343 | static int vidioc_streamoff(struct file *file, void *priv, enum v4l2_buf_type i) | |
1344 | { | |
38f993ad | 1345 | struct s2255_fh *fh = priv; |
fe85ce90 | 1346 | dprintk(4, "%s\n, channel: %d", __func__, fh->channel->idx); |
38f993ad DA |
1347 | if (fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) { |
1348 | printk(KERN_ERR "invalid fh type0\n"); | |
1349 | return -EINVAL; | |
1350 | } | |
1351 | if (i != fh->type) { | |
1352 | printk(KERN_ERR "invalid type i\n"); | |
1353 | return -EINVAL; | |
1354 | } | |
fe85ce90 | 1355 | s2255_stop_acquire(fh->channel); |
b7732a32 | 1356 | videobuf_streamoff(&fh->vb_vidq); |
fe85ce90 | 1357 | res_free(fh); |
f78d92c9 | 1358 | return 0; |
38f993ad DA |
1359 | } |
1360 | ||
1361 | static int vidioc_s_std(struct file *file, void *priv, v4l2_std_id *i) | |
1362 | { | |
1363 | struct s2255_fh *fh = priv; | |
fe85ce90 | 1364 | struct s2255_mode mode; |
38f993ad DA |
1365 | struct videobuf_queue *q = &fh->vb_vidq; |
1366 | int ret = 0; | |
38f993ad DA |
1367 | mutex_lock(&q->vb_lock); |
1368 | if (videobuf_queue_is_busy(q)) { | |
1369 | dprintk(1, "queue busy\n"); | |
1370 | ret = -EBUSY; | |
1371 | goto out_s_std; | |
1372 | } | |
fe85ce90 | 1373 | if (res_locked(fh)) { |
38f993ad DA |
1374 | dprintk(1, "can't change standard after started\n"); |
1375 | ret = -EBUSY; | |
1376 | goto out_s_std; | |
1377 | } | |
fe85ce90 | 1378 | mode = fh->channel->mode; |
38f993ad | 1379 | if (*i & V4L2_STD_NTSC) { |
e6b44bc5 DA |
1380 | dprintk(4, "%s NTSC\n", __func__); |
1381 | /* if changing format, reset frame decimation/intervals */ | |
fe85ce90 DA |
1382 | if (mode.format != FORMAT_NTSC) { |
1383 | mode.restart = 1; | |
1384 | mode.format = FORMAT_NTSC; | |
1385 | mode.fdec = FDEC_1; | |
e6b44bc5 | 1386 | } |
38f993ad | 1387 | } else if (*i & V4L2_STD_PAL) { |
e6b44bc5 | 1388 | dprintk(4, "%s PAL\n", __func__); |
fe85ce90 DA |
1389 | if (mode.format != FORMAT_PAL) { |
1390 | mode.restart = 1; | |
1391 | mode.format = FORMAT_PAL; | |
1392 | mode.fdec = FDEC_1; | |
e6b44bc5 | 1393 | } |
38f993ad DA |
1394 | } else { |
1395 | ret = -EINVAL; | |
1396 | } | |
fe85ce90 DA |
1397 | if (mode.restart) |
1398 | s2255_set_mode(fh->channel, &mode); | |
38f993ad DA |
1399 | out_s_std: |
1400 | mutex_unlock(&q->vb_lock); | |
1401 | return ret; | |
1402 | } | |
1403 | ||
1404 | /* Sensoray 2255 is a multiple channel capture device. | |
1405 | It does not have a "crossbar" of inputs. | |
1406 | We use one V4L device per channel. The user must | |
1407 | be aware that certain combinations are not allowed. | |
1408 | For instance, you cannot do full FPS on more than 2 channels(2 videodevs) | |
1409 | at once in color(you can do full fps on 4 channels with greyscale. | |
1410 | */ | |
1411 | static int vidioc_enum_input(struct file *file, void *priv, | |
1412 | struct v4l2_input *inp) | |
1413 | { | |
4de39f5d DA |
1414 | struct s2255_fh *fh = priv; |
1415 | struct s2255_dev *dev = fh->dev; | |
fe85ce90 | 1416 | struct s2255_channel *channel = fh->channel; |
4de39f5d | 1417 | u32 status = 0; |
38f993ad DA |
1418 | if (inp->index != 0) |
1419 | return -EINVAL; | |
38f993ad DA |
1420 | inp->type = V4L2_INPUT_TYPE_CAMERA; |
1421 | inp->std = S2255_NORMS; | |
4de39f5d DA |
1422 | inp->status = 0; |
1423 | if (dev->dsp_fw_ver >= S2255_MIN_DSP_STATUS) { | |
1424 | int rc; | |
fe85ce90 | 1425 | rc = s2255_cmd_status(fh->channel, &status); |
4de39f5d DA |
1426 | dprintk(4, "s2255_cmd_status rc: %d status %x\n", rc, status); |
1427 | if (rc == 0) | |
1428 | inp->status = (status & 0x01) ? 0 | |
1429 | : V4L2_IN_ST_NO_SIGNAL; | |
1430 | } | |
5a34d9df DA |
1431 | switch (dev->pid) { |
1432 | case 0x2255: | |
1433 | default: | |
1434 | strlcpy(inp->name, "Composite", sizeof(inp->name)); | |
1435 | break; | |
1436 | case 0x2257: | |
fe85ce90 | 1437 | strlcpy(inp->name, (channel->idx < 2) ? "Composite" : "S-Video", |
5a34d9df DA |
1438 | sizeof(inp->name)); |
1439 | break; | |
1440 | } | |
3f8d6f73 | 1441 | return 0; |
38f993ad DA |
1442 | } |
1443 | ||
1444 | static int vidioc_g_input(struct file *file, void *priv, unsigned int *i) | |
1445 | { | |
1446 | *i = 0; | |
1447 | return 0; | |
1448 | } | |
1449 | static int vidioc_s_input(struct file *file, void *priv, unsigned int i) | |
1450 | { | |
1451 | if (i > 0) | |
1452 | return -EINVAL; | |
1453 | return 0; | |
1454 | } | |
1455 | ||
1456 | /* --- controls ---------------------------------------------- */ | |
1457 | static int vidioc_queryctrl(struct file *file, void *priv, | |
1458 | struct v4l2_queryctrl *qc) | |
1459 | { | |
5a34d9df | 1460 | struct s2255_fh *fh = priv; |
fe85ce90 | 1461 | struct s2255_channel *channel = fh->channel; |
5a34d9df | 1462 | struct s2255_dev *dev = fh->dev; |
2e70db9a DA |
1463 | switch (qc->id) { |
1464 | case V4L2_CID_BRIGHTNESS: | |
1465 | v4l2_ctrl_query_fill(qc, -127, 127, 1, DEF_BRIGHT); | |
1466 | break; | |
1467 | case V4L2_CID_CONTRAST: | |
1468 | v4l2_ctrl_query_fill(qc, 0, 255, 1, DEF_CONTRAST); | |
1469 | break; | |
1470 | case V4L2_CID_SATURATION: | |
1471 | v4l2_ctrl_query_fill(qc, 0, 255, 1, DEF_SATURATION); | |
1472 | break; | |
1473 | case V4L2_CID_HUE: | |
1474 | v4l2_ctrl_query_fill(qc, 0, 255, 1, DEF_HUE); | |
1475 | break; | |
5a34d9df DA |
1476 | case V4L2_CID_PRIVATE_COLORFILTER: |
1477 | if (dev->dsp_fw_ver < S2255_MIN_DSP_COLORFILTER) | |
1478 | return -EINVAL; | |
fe85ce90 | 1479 | if ((dev->pid == 0x2257) && (channel->idx > 1)) |
5a34d9df DA |
1480 | return -EINVAL; |
1481 | strlcpy(qc->name, "Color Filter", sizeof(qc->name)); | |
1482 | qc->type = V4L2_CTRL_TYPE_MENU; | |
1483 | qc->minimum = 0; | |
1484 | qc->maximum = 1; | |
1485 | qc->step = 1; | |
1486 | qc->default_value = 1; | |
1487 | qc->flags = 0; | |
1488 | break; | |
2e70db9a DA |
1489 | default: |
1490 | return -EINVAL; | |
1491 | } | |
1492 | dprintk(4, "%s, id %d\n", __func__, qc->id); | |
1493 | return 0; | |
38f993ad DA |
1494 | } |
1495 | ||
1496 | static int vidioc_g_ctrl(struct file *file, void *priv, | |
1497 | struct v4l2_control *ctrl) | |
1498 | { | |
2e70db9a | 1499 | struct s2255_fh *fh = priv; |
5a34d9df | 1500 | struct s2255_dev *dev = fh->dev; |
fe85ce90 | 1501 | struct s2255_channel *channel = fh->channel; |
2e70db9a DA |
1502 | switch (ctrl->id) { |
1503 | case V4L2_CID_BRIGHTNESS: | |
fe85ce90 | 1504 | ctrl->value = channel->mode.bright; |
2e70db9a DA |
1505 | break; |
1506 | case V4L2_CID_CONTRAST: | |
fe85ce90 | 1507 | ctrl->value = channel->mode.contrast; |
2e70db9a DA |
1508 | break; |
1509 | case V4L2_CID_SATURATION: | |
fe85ce90 | 1510 | ctrl->value = channel->mode.saturation; |
2e70db9a DA |
1511 | break; |
1512 | case V4L2_CID_HUE: | |
fe85ce90 | 1513 | ctrl->value = channel->mode.hue; |
2e70db9a | 1514 | break; |
5a34d9df DA |
1515 | case V4L2_CID_PRIVATE_COLORFILTER: |
1516 | if (dev->dsp_fw_ver < S2255_MIN_DSP_COLORFILTER) | |
1517 | return -EINVAL; | |
fe85ce90 | 1518 | if ((dev->pid == 0x2257) && (channel->idx > 1)) |
5a34d9df | 1519 | return -EINVAL; |
fe85ce90 | 1520 | ctrl->value = !((channel->mode.color & MASK_INPUT_TYPE) >> 16); |
5a34d9df | 1521 | break; |
2e70db9a DA |
1522 | default: |
1523 | return -EINVAL; | |
1524 | } | |
1525 | dprintk(4, "%s, id %d val %d\n", __func__, ctrl->id, ctrl->value); | |
1526 | return 0; | |
38f993ad DA |
1527 | } |
1528 | ||
1529 | static int vidioc_s_ctrl(struct file *file, void *priv, | |
1530 | struct v4l2_control *ctrl) | |
1531 | { | |
38f993ad | 1532 | struct s2255_fh *fh = priv; |
fe85ce90 DA |
1533 | struct s2255_channel *channel = fh->channel; |
1534 | struct s2255_dev *dev = to_s2255_dev(channel->vdev.v4l2_dev); | |
1535 | struct s2255_mode mode; | |
1536 | mode = channel->mode; | |
2e70db9a DA |
1537 | dprintk(4, "%s\n", __func__); |
1538 | /* update the mode to the corresponding value */ | |
1539 | switch (ctrl->id) { | |
1540 | case V4L2_CID_BRIGHTNESS: | |
fe85ce90 | 1541 | mode.bright = ctrl->value; |
2e70db9a DA |
1542 | break; |
1543 | case V4L2_CID_CONTRAST: | |
fe85ce90 | 1544 | mode.contrast = ctrl->value; |
2e70db9a DA |
1545 | break; |
1546 | case V4L2_CID_HUE: | |
fe85ce90 | 1547 | mode.hue = ctrl->value; |
2e70db9a DA |
1548 | break; |
1549 | case V4L2_CID_SATURATION: | |
fe85ce90 | 1550 | mode.saturation = ctrl->value; |
2e70db9a | 1551 | break; |
5a34d9df DA |
1552 | case V4L2_CID_PRIVATE_COLORFILTER: |
1553 | if (dev->dsp_fw_ver < S2255_MIN_DSP_COLORFILTER) | |
1554 | return -EINVAL; | |
fe85ce90 | 1555 | if ((dev->pid == 0x2257) && (channel->idx > 1)) |
5a34d9df | 1556 | return -EINVAL; |
fe85ce90 DA |
1557 | mode.color &= ~MASK_INPUT_TYPE; |
1558 | mode.color |= ((ctrl->value ? 0 : 1) << 16); | |
5a34d9df | 1559 | break; |
2e70db9a DA |
1560 | default: |
1561 | return -EINVAL; | |
38f993ad | 1562 | } |
fe85ce90 | 1563 | mode.restart = 0; |
2e70db9a DA |
1564 | /* set mode here. Note: stream does not need restarted. |
1565 | some V4L programs restart stream unnecessarily | |
1566 | after a s_crtl. | |
1567 | */ | |
fe85ce90 | 1568 | s2255_set_mode(fh->channel, &mode); |
2e70db9a | 1569 | return 0; |
38f993ad DA |
1570 | } |
1571 | ||
22b88d48 DA |
1572 | static int vidioc_g_jpegcomp(struct file *file, void *priv, |
1573 | struct v4l2_jpegcompression *jc) | |
1574 | { | |
1575 | struct s2255_fh *fh = priv; | |
fe85ce90 DA |
1576 | struct s2255_channel *channel = fh->channel; |
1577 | *jc = channel->jc; | |
85b85482 | 1578 | dprintk(2, "%s: quality %d\n", __func__, jc->quality); |
22b88d48 DA |
1579 | return 0; |
1580 | } | |
1581 | ||
1582 | static int vidioc_s_jpegcomp(struct file *file, void *priv, | |
1583 | struct v4l2_jpegcompression *jc) | |
1584 | { | |
1585 | struct s2255_fh *fh = priv; | |
fe85ce90 | 1586 | struct s2255_channel *channel = fh->channel; |
22b88d48 DA |
1587 | if (jc->quality < 0 || jc->quality > 100) |
1588 | return -EINVAL; | |
fe85ce90 | 1589 | channel->jc.quality = jc->quality; |
85b85482 | 1590 | dprintk(2, "%s: quality %d\n", __func__, jc->quality); |
22b88d48 DA |
1591 | return 0; |
1592 | } | |
7d853532 DA |
1593 | |
1594 | static int vidioc_g_parm(struct file *file, void *priv, | |
1595 | struct v4l2_streamparm *sp) | |
1596 | { | |
1597 | struct s2255_fh *fh = priv; | |
e6b44bc5 | 1598 | __u32 def_num, def_dem; |
fe85ce90 | 1599 | struct s2255_channel *channel = fh->channel; |
7d853532 DA |
1600 | if (sp->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) |
1601 | return -EINVAL; | |
e6b44bc5 DA |
1602 | memset(sp, 0, sizeof(struct v4l2_streamparm)); |
1603 | sp->parm.capture.capability = V4L2_CAP_TIMEPERFRAME; | |
fe85ce90 DA |
1604 | sp->parm.capture.capturemode = channel->cap_parm.capturemode; |
1605 | def_num = (channel->mode.format == FORMAT_NTSC) ? 1001 : 1000; | |
1606 | def_dem = (channel->mode.format == FORMAT_NTSC) ? 30000 : 25000; | |
e6b44bc5 | 1607 | sp->parm.capture.timeperframe.denominator = def_dem; |
fe85ce90 | 1608 | switch (channel->mode.fdec) { |
e6b44bc5 DA |
1609 | default: |
1610 | case FDEC_1: | |
1611 | sp->parm.capture.timeperframe.numerator = def_num; | |
1612 | break; | |
1613 | case FDEC_2: | |
1614 | sp->parm.capture.timeperframe.numerator = def_num * 2; | |
1615 | break; | |
1616 | case FDEC_3: | |
1617 | sp->parm.capture.timeperframe.numerator = def_num * 3; | |
1618 | break; | |
1619 | case FDEC_5: | |
1620 | sp->parm.capture.timeperframe.numerator = def_num * 5; | |
1621 | break; | |
1622 | } | |
1623 | dprintk(4, "%s capture mode, %d timeperframe %d/%d\n", __func__, | |
1624 | sp->parm.capture.capturemode, | |
1625 | sp->parm.capture.timeperframe.numerator, | |
1626 | sp->parm.capture.timeperframe.denominator); | |
7d853532 DA |
1627 | return 0; |
1628 | } | |
1629 | ||
1630 | static int vidioc_s_parm(struct file *file, void *priv, | |
1631 | struct v4l2_streamparm *sp) | |
1632 | { | |
1633 | struct s2255_fh *fh = priv; | |
fe85ce90 DA |
1634 | struct s2255_channel *channel = fh->channel; |
1635 | struct s2255_mode mode; | |
e6b44bc5 DA |
1636 | int fdec = FDEC_1; |
1637 | __u32 def_num, def_dem; | |
7d853532 DA |
1638 | if (sp->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) |
1639 | return -EINVAL; | |
fe85ce90 | 1640 | mode = channel->mode; |
e6b44bc5 | 1641 | /* high quality capture mode requires a stream restart */ |
fe85ce90 DA |
1642 | if (channel->cap_parm.capturemode |
1643 | != sp->parm.capture.capturemode && res_locked(fh)) | |
e6b44bc5 | 1644 | return -EBUSY; |
fe85ce90 DA |
1645 | def_num = (mode.format == FORMAT_NTSC) ? 1001 : 1000; |
1646 | def_dem = (mode.format == FORMAT_NTSC) ? 30000 : 25000; | |
e6b44bc5 DA |
1647 | if (def_dem != sp->parm.capture.timeperframe.denominator) |
1648 | sp->parm.capture.timeperframe.numerator = def_num; | |
1649 | else if (sp->parm.capture.timeperframe.numerator <= def_num) | |
1650 | sp->parm.capture.timeperframe.numerator = def_num; | |
1651 | else if (sp->parm.capture.timeperframe.numerator <= (def_num * 2)) { | |
1652 | sp->parm.capture.timeperframe.numerator = def_num * 2; | |
1653 | fdec = FDEC_2; | |
1654 | } else if (sp->parm.capture.timeperframe.numerator <= (def_num * 3)) { | |
1655 | sp->parm.capture.timeperframe.numerator = def_num * 3; | |
1656 | fdec = FDEC_3; | |
1657 | } else { | |
1658 | sp->parm.capture.timeperframe.numerator = def_num * 5; | |
1659 | fdec = FDEC_5; | |
1660 | } | |
fe85ce90 | 1661 | mode.fdec = fdec; |
e6b44bc5 | 1662 | sp->parm.capture.timeperframe.denominator = def_dem; |
fe85ce90 | 1663 | s2255_set_mode(channel, &mode); |
e6b44bc5 DA |
1664 | dprintk(4, "%s capture mode, %d timeperframe %d/%d, fdec %d\n", |
1665 | __func__, | |
1666 | sp->parm.capture.capturemode, | |
1667 | sp->parm.capture.timeperframe.numerator, | |
1668 | sp->parm.capture.timeperframe.denominator, fdec); | |
1669 | return 0; | |
1670 | } | |
7d853532 | 1671 | |
e6b44bc5 DA |
1672 | static int vidioc_enum_frameintervals(struct file *file, void *priv, |
1673 | struct v4l2_frmivalenum *fe) | |
1674 | { | |
1675 | int is_ntsc = 0; | |
1676 | #define NUM_FRAME_ENUMS 4 | |
1677 | int frm_dec[NUM_FRAME_ENUMS] = {1, 2, 3, 5}; | |
1678 | if (fe->index < 0 || fe->index >= NUM_FRAME_ENUMS) | |
1679 | return -EINVAL; | |
1680 | switch (fe->width) { | |
1681 | case 640: | |
1682 | if (fe->height != 240 && fe->height != 480) | |
1683 | return -EINVAL; | |
1684 | is_ntsc = 1; | |
1685 | break; | |
1686 | case 320: | |
1687 | if (fe->height != 240) | |
1688 | return -EINVAL; | |
1689 | is_ntsc = 1; | |
1690 | break; | |
1691 | case 704: | |
1692 | if (fe->height != 288 && fe->height != 576) | |
1693 | return -EINVAL; | |
1694 | break; | |
1695 | case 352: | |
1696 | if (fe->height != 288) | |
1697 | return -EINVAL; | |
1698 | break; | |
1699 | default: | |
1700 | return -EINVAL; | |
1701 | } | |
1702 | fe->type = V4L2_FRMIVAL_TYPE_DISCRETE; | |
1703 | fe->discrete.denominator = is_ntsc ? 30000 : 25000; | |
1704 | fe->discrete.numerator = (is_ntsc ? 1001 : 1000) * frm_dec[fe->index]; | |
1705 | dprintk(4, "%s discrete %d/%d\n", __func__, fe->discrete.numerator, | |
1706 | fe->discrete.denominator); | |
7d853532 DA |
1707 | return 0; |
1708 | } | |
e6b44bc5 | 1709 | |
bec43661 | 1710 | static int s2255_open(struct file *file) |
38f993ad | 1711 | { |
63b0d5ad | 1712 | struct video_device *vdev = video_devdata(file); |
fe85ce90 DA |
1713 | struct s2255_channel *channel = video_drvdata(file); |
1714 | struct s2255_dev *dev = to_s2255_dev(vdev->v4l2_dev); | |
38f993ad | 1715 | struct s2255_fh *fh; |
63b0d5ad | 1716 | enum v4l2_buf_type type = V4L2_BUF_TYPE_VIDEO_CAPTURE; |
14d96260 | 1717 | int state; |
50462eb0 LP |
1718 | dprintk(1, "s2255: open called (dev=%s)\n", |
1719 | video_device_node_name(vdev)); | |
ff7e22df DA |
1720 | /* |
1721 | * open lock necessary to prevent multiple instances | |
1722 | * of v4l-conf (or other programs) from simultaneously | |
1723 | * reloading firmware. | |
1724 | */ | |
1725 | mutex_lock(&dev->open_lock); | |
1726 | state = atomic_read(&dev->fw_data->fw_state); | |
1727 | switch (state) { | |
1728 | case S2255_FW_DISCONNECTING: | |
1729 | mutex_unlock(&dev->open_lock); | |
14d96260 | 1730 | return -ENODEV; |
14d96260 | 1731 | case S2255_FW_FAILED: |
be9ed511 MCC |
1732 | s2255_dev_err(&dev->udev->dev, |
1733 | "firmware load failed. retrying.\n"); | |
14d96260 | 1734 | s2255_fwload_start(dev, 1); |
38f993ad | 1735 | wait_event_timeout(dev->fw_data->wait_fw, |
14d96260 DA |
1736 | ((atomic_read(&dev->fw_data->fw_state) |
1737 | == S2255_FW_SUCCESS) || | |
1738 | (atomic_read(&dev->fw_data->fw_state) | |
1739 | == S2255_FW_DISCONNECTING)), | |
38f993ad | 1740 | msecs_to_jiffies(S2255_LOAD_TIMEOUT)); |
ff7e22df DA |
1741 | /* state may have changed, re-read */ |
1742 | state = atomic_read(&dev->fw_data->fw_state); | |
14d96260 DA |
1743 | break; |
1744 | case S2255_FW_NOTLOADED: | |
1745 | case S2255_FW_LOADED_DSPWAIT: | |
38f993ad DA |
1746 | /* give S2255_LOAD_TIMEOUT time for firmware to load in case |
1747 | driver loaded and then device immediately opened */ | |
1748 | printk(KERN_INFO "%s waiting for firmware load\n", __func__); | |
1749 | wait_event_timeout(dev->fw_data->wait_fw, | |
14d96260 DA |
1750 | ((atomic_read(&dev->fw_data->fw_state) |
1751 | == S2255_FW_SUCCESS) || | |
1752 | (atomic_read(&dev->fw_data->fw_state) | |
1753 | == S2255_FW_DISCONNECTING)), | |
eb78deec | 1754 | msecs_to_jiffies(S2255_LOAD_TIMEOUT)); |
ff7e22df DA |
1755 | /* state may have changed, re-read */ |
1756 | state = atomic_read(&dev->fw_data->fw_state); | |
14d96260 DA |
1757 | break; |
1758 | case S2255_FW_SUCCESS: | |
1759 | default: | |
1760 | break; | |
1761 | } | |
ff7e22df DA |
1762 | /* state may have changed in above switch statement */ |
1763 | switch (state) { | |
1764 | case S2255_FW_SUCCESS: | |
1765 | break; | |
1766 | case S2255_FW_FAILED: | |
1767 | printk(KERN_INFO "2255 firmware load failed.\n"); | |
eb78deec | 1768 | mutex_unlock(&dev->open_lock); |
ff7e22df DA |
1769 | return -ENODEV; |
1770 | case S2255_FW_DISCONNECTING: | |
1771 | printk(KERN_INFO "%s: disconnecting\n", __func__); | |
eb78deec | 1772 | mutex_unlock(&dev->open_lock); |
ff7e22df DA |
1773 | return -ENODEV; |
1774 | case S2255_FW_LOADED_DSPWAIT: | |
1775 | case S2255_FW_NOTLOADED: | |
1776 | printk(KERN_INFO "%s: firmware not loaded yet" | |
1777 | "please try again later\n", | |
1778 | __func__); | |
eb78deec DA |
1779 | /* |
1780 | * Timeout on firmware load means device unusable. | |
1781 | * Set firmware failure state. | |
1782 | * On next s2255_open the firmware will be reloaded. | |
1783 | */ | |
1784 | atomic_set(&dev->fw_data->fw_state, | |
1785 | S2255_FW_FAILED); | |
1786 | mutex_unlock(&dev->open_lock); | |
ff7e22df DA |
1787 | return -EAGAIN; |
1788 | default: | |
1789 | printk(KERN_INFO "%s: unknown state\n", __func__); | |
eb78deec | 1790 | mutex_unlock(&dev->open_lock); |
ff7e22df | 1791 | return -EFAULT; |
38f993ad | 1792 | } |
eb78deec | 1793 | mutex_unlock(&dev->open_lock); |
38f993ad DA |
1794 | /* allocate + initialize per filehandle data */ |
1795 | fh = kzalloc(sizeof(*fh), GFP_KERNEL); | |
a5ef91c9 | 1796 | if (NULL == fh) |
38f993ad | 1797 | return -ENOMEM; |
38f993ad DA |
1798 | file->private_data = fh; |
1799 | fh->dev = dev; | |
1800 | fh->type = V4L2_BUF_TYPE_VIDEO_CAPTURE; | |
fe85ce90 DA |
1801 | fh->channel = channel; |
1802 | if (!channel->configured) { | |
1803 | /* configure channel to default state */ | |
1804 | channel->fmt = &formats[0]; | |
1805 | s2255_set_mode(channel, &channel->mode); | |
1806 | channel->configured = 1; | |
14d96260 | 1807 | } |
85b85482 | 1808 | dprintk(1, "%s: dev=%s type=%s\n", __func__, |
ff7e22df | 1809 | video_device_node_name(vdev), v4l2_type_names[type]); |
85b85482 | 1810 | dprintk(2, "%s: fh=0x%08lx, dev=0x%08lx, vidq=0x%08lx\n", __func__, |
38f993ad | 1811 | (unsigned long)fh, (unsigned long)dev, |
fe85ce90 | 1812 | (unsigned long)&channel->vidq); |
85b85482 | 1813 | dprintk(4, "%s: list_empty active=%d\n", __func__, |
fe85ce90 | 1814 | list_empty(&channel->vidq.active)); |
38f993ad DA |
1815 | videobuf_queue_vmalloc_init(&fh->vb_vidq, &s2255_video_qops, |
1816 | NULL, &dev->slock, | |
1817 | fh->type, | |
1818 | V4L2_FIELD_INTERLACED, | |
08bff03e | 1819 | sizeof(struct s2255_buffer), fh, NULL); |
38f993ad DA |
1820 | return 0; |
1821 | } | |
1822 | ||
1823 | ||
1824 | static unsigned int s2255_poll(struct file *file, | |
1825 | struct poll_table_struct *wait) | |
1826 | { | |
1827 | struct s2255_fh *fh = file->private_data; | |
1828 | int rc; | |
1829 | dprintk(100, "%s\n", __func__); | |
38f993ad DA |
1830 | if (V4L2_BUF_TYPE_VIDEO_CAPTURE != fh->type) |
1831 | return POLLERR; | |
38f993ad DA |
1832 | rc = videobuf_poll_stream(file, &fh->vb_vidq, wait); |
1833 | return rc; | |
1834 | } | |
1835 | ||
d62e85a0 | 1836 | static void s2255_destroy(struct s2255_dev *dev) |
38f993ad | 1837 | { |
38f993ad DA |
1838 | /* board shutdown stops the read pipe if it is running */ |
1839 | s2255_board_shutdown(dev); | |
38f993ad | 1840 | /* make sure firmware still not trying to load */ |
f78d92c9 | 1841 | del_timer(&dev->timer); /* only started in .probe and .open */ |
38f993ad | 1842 | if (dev->fw_data->fw_urb) { |
38f993ad DA |
1843 | usb_kill_urb(dev->fw_data->fw_urb); |
1844 | usb_free_urb(dev->fw_data->fw_urb); | |
1845 | dev->fw_data->fw_urb = NULL; | |
1846 | } | |
f78d92c9 DA |
1847 | if (dev->fw_data->fw) |
1848 | release_firmware(dev->fw_data->fw); | |
1849 | kfree(dev->fw_data->pfw_data); | |
1850 | kfree(dev->fw_data); | |
ff7e22df DA |
1851 | /* reset the DSP so firmware can be reloaded next time */ |
1852 | s2255_reset_dsppower(dev); | |
1853 | mutex_destroy(&dev->open_lock); | |
1854 | mutex_destroy(&dev->lock); | |
38f993ad | 1855 | usb_put_dev(dev->udev); |
fe85ce90 | 1856 | v4l2_device_unregister(&dev->v4l2_dev); |
38f993ad | 1857 | dprintk(1, "%s", __func__); |
b7732a32 | 1858 | kfree(dev); |
38f993ad DA |
1859 | } |
1860 | ||
ff7e22df | 1861 | static int s2255_release(struct file *file) |
38f993ad DA |
1862 | { |
1863 | struct s2255_fh *fh = file->private_data; | |
1864 | struct s2255_dev *dev = fh->dev; | |
50462eb0 | 1865 | struct video_device *vdev = video_devdata(file); |
fe85ce90 | 1866 | struct s2255_channel *channel = fh->channel; |
38f993ad DA |
1867 | if (!dev) |
1868 | return -ENODEV; | |
f78d92c9 DA |
1869 | /* turn off stream */ |
1870 | if (res_check(fh)) { | |
fe85ce90 DA |
1871 | if (channel->b_acquire) |
1872 | s2255_stop_acquire(fh->channel); | |
f78d92c9 | 1873 | videobuf_streamoff(&fh->vb_vidq); |
fe85ce90 | 1874 | res_free(fh); |
f78d92c9 | 1875 | } |
38f993ad | 1876 | videobuf_mmap_free(&fh->vb_vidq); |
ff7e22df | 1877 | dprintk(1, "%s (dev=%s)\n", __func__, video_device_node_name(vdev)); |
f78d92c9 | 1878 | kfree(fh); |
38f993ad DA |
1879 | return 0; |
1880 | } | |
1881 | ||
1882 | static int s2255_mmap_v4l(struct file *file, struct vm_area_struct *vma) | |
1883 | { | |
1884 | struct s2255_fh *fh = file->private_data; | |
1885 | int ret; | |
1886 | ||
1887 | if (!fh) | |
1888 | return -ENODEV; | |
85b85482 | 1889 | dprintk(4, "%s, vma=0x%08lx\n", __func__, (unsigned long)vma); |
38f993ad | 1890 | ret = videobuf_mmap_mapper(&fh->vb_vidq, vma); |
85b85482 | 1891 | dprintk(4, "%s vma start=0x%08lx, size=%ld, ret=%d\n", __func__, |
38f993ad DA |
1892 | (unsigned long)vma->vm_start, |
1893 | (unsigned long)vma->vm_end - (unsigned long)vma->vm_start, ret); | |
38f993ad DA |
1894 | return ret; |
1895 | } | |
1896 | ||
bec43661 | 1897 | static const struct v4l2_file_operations s2255_fops_v4l = { |
38f993ad DA |
1898 | .owner = THIS_MODULE, |
1899 | .open = s2255_open, | |
ff7e22df | 1900 | .release = s2255_release, |
38f993ad DA |
1901 | .poll = s2255_poll, |
1902 | .ioctl = video_ioctl2, /* V4L2 ioctl handler */ | |
38f993ad | 1903 | .mmap = s2255_mmap_v4l, |
38f993ad DA |
1904 | }; |
1905 | ||
a399810c | 1906 | static const struct v4l2_ioctl_ops s2255_ioctl_ops = { |
5a34d9df | 1907 | .vidioc_querymenu = vidioc_querymenu, |
38f993ad DA |
1908 | .vidioc_querycap = vidioc_querycap, |
1909 | .vidioc_enum_fmt_vid_cap = vidioc_enum_fmt_vid_cap, | |
1910 | .vidioc_g_fmt_vid_cap = vidioc_g_fmt_vid_cap, | |
1911 | .vidioc_try_fmt_vid_cap = vidioc_try_fmt_vid_cap, | |
1912 | .vidioc_s_fmt_vid_cap = vidioc_s_fmt_vid_cap, | |
1913 | .vidioc_reqbufs = vidioc_reqbufs, | |
1914 | .vidioc_querybuf = vidioc_querybuf, | |
1915 | .vidioc_qbuf = vidioc_qbuf, | |
1916 | .vidioc_dqbuf = vidioc_dqbuf, | |
1917 | .vidioc_s_std = vidioc_s_std, | |
1918 | .vidioc_enum_input = vidioc_enum_input, | |
1919 | .vidioc_g_input = vidioc_g_input, | |
1920 | .vidioc_s_input = vidioc_s_input, | |
1921 | .vidioc_queryctrl = vidioc_queryctrl, | |
1922 | .vidioc_g_ctrl = vidioc_g_ctrl, | |
1923 | .vidioc_s_ctrl = vidioc_s_ctrl, | |
1924 | .vidioc_streamon = vidioc_streamon, | |
1925 | .vidioc_streamoff = vidioc_streamoff, | |
1926 | #ifdef CONFIG_VIDEO_V4L1_COMPAT | |
1927 | .vidiocgmbuf = vidioc_cgmbuf, | |
1928 | #endif | |
22b88d48 DA |
1929 | .vidioc_s_jpegcomp = vidioc_s_jpegcomp, |
1930 | .vidioc_g_jpegcomp = vidioc_g_jpegcomp, | |
7d853532 DA |
1931 | .vidioc_s_parm = vidioc_s_parm, |
1932 | .vidioc_g_parm = vidioc_g_parm, | |
e6b44bc5 | 1933 | .vidioc_enum_frameintervals = vidioc_enum_frameintervals, |
a399810c HV |
1934 | }; |
1935 | ||
ff7e22df DA |
1936 | static void s2255_video_device_release(struct video_device *vdev) |
1937 | { | |
fe85ce90 DA |
1938 | struct s2255_dev *dev = to_s2255_dev(vdev->v4l2_dev); |
1939 | dprintk(4, "%s, chnls: %d \n", __func__, | |
1940 | atomic_read(&dev->num_channels)); | |
1941 | if (atomic_dec_and_test(&dev->num_channels)) | |
d62e85a0 | 1942 | s2255_destroy(dev); |
ff7e22df DA |
1943 | return; |
1944 | } | |
1945 | ||
a399810c HV |
1946 | static struct video_device template = { |
1947 | .name = "s2255v", | |
a399810c HV |
1948 | .fops = &s2255_fops_v4l, |
1949 | .ioctl_ops = &s2255_ioctl_ops, | |
ff7e22df | 1950 | .release = s2255_video_device_release, |
38f993ad DA |
1951 | .tvnorms = S2255_NORMS, |
1952 | .current_norm = V4L2_STD_NTSC_M, | |
1953 | }; | |
1954 | ||
1955 | static int s2255_probe_v4l(struct s2255_dev *dev) | |
1956 | { | |
1957 | int ret; | |
1958 | int i; | |
1959 | int cur_nr = video_nr; | |
fe85ce90 | 1960 | struct s2255_channel *channel; |
65c6edb3 DA |
1961 | ret = v4l2_device_register(&dev->interface->dev, &dev->v4l2_dev); |
1962 | if (ret) | |
1963 | return ret; | |
38f993ad | 1964 | /* initialize all video 4 linux */ |
38f993ad DA |
1965 | /* register 4 video devices */ |
1966 | for (i = 0; i < MAX_CHANNELS; i++) { | |
fe85ce90 DA |
1967 | channel = &dev->channel[i]; |
1968 | INIT_LIST_HEAD(&channel->vidq.active); | |
1969 | channel->vidq.dev = dev; | |
38f993ad | 1970 | /* register 4 video devices */ |
fe85ce90 DA |
1971 | channel->vdev = template; |
1972 | channel->vdev.v4l2_dev = &dev->v4l2_dev; | |
1973 | video_set_drvdata(&channel->vdev, channel); | |
38f993ad | 1974 | if (video_nr == -1) |
fe85ce90 | 1975 | ret = video_register_device(&channel->vdev, |
38f993ad DA |
1976 | VFL_TYPE_GRABBER, |
1977 | video_nr); | |
1978 | else | |
fe85ce90 | 1979 | ret = video_register_device(&channel->vdev, |
38f993ad DA |
1980 | VFL_TYPE_GRABBER, |
1981 | cur_nr + i); | |
fe85ce90 | 1982 | |
3a67b5cc | 1983 | if (ret) { |
38f993ad DA |
1984 | dev_err(&dev->udev->dev, |
1985 | "failed to register video device!\n"); | |
3a67b5cc | 1986 | break; |
38f993ad | 1987 | } |
fe85ce90 | 1988 | atomic_inc(&dev->num_channels); |
65c6edb3 | 1989 | v4l2_info(&dev->v4l2_dev, "V4L2 device registered as %s\n", |
fe85ce90 | 1990 | video_device_node_name(&channel->vdev)); |
3a67b5cc | 1991 | |
38f993ad | 1992 | } |
abce21f4 DA |
1993 | printk(KERN_INFO "Sensoray 2255 V4L driver Revision: %d.%d\n", |
1994 | S2255_MAJOR_VERSION, | |
1995 | S2255_MINOR_VERSION); | |
3a67b5cc | 1996 | /* if no channels registered, return error and probe will fail*/ |
fe85ce90 | 1997 | if (atomic_read(&dev->num_channels) == 0) { |
65c6edb3 | 1998 | v4l2_device_unregister(&dev->v4l2_dev); |
3a67b5cc | 1999 | return ret; |
65c6edb3 | 2000 | } |
fe85ce90 | 2001 | if (atomic_read(&dev->num_channels) != MAX_CHANNELS) |
3a67b5cc DA |
2002 | printk(KERN_WARNING "s2255: Not all channels available.\n"); |
2003 | return 0; | |
38f993ad DA |
2004 | } |
2005 | ||
38f993ad DA |
2006 | /* this function moves the usb stream read pipe data |
2007 | * into the system buffers. | |
2008 | * returns 0 on success, EAGAIN if more data to process( call this | |
2009 | * function again). | |
2010 | * | |
2011 | * Received frame structure: | |
14d96260 | 2012 | * bytes 0-3: marker : 0x2255DA4AL (S2255_MARKER_FRAME) |
38f993ad DA |
2013 | * bytes 4-7: channel: 0-3 |
2014 | * bytes 8-11: payload size: size of the frame | |
2015 | * bytes 12-payloadsize+12: frame data | |
2016 | */ | |
2017 | static int save_frame(struct s2255_dev *dev, struct s2255_pipeinfo *pipe_info) | |
2018 | { | |
38f993ad DA |
2019 | char *pdest; |
2020 | u32 offset = 0; | |
14d96260 | 2021 | int bframe = 0; |
38f993ad DA |
2022 | char *psrc; |
2023 | unsigned long copy_size; | |
2024 | unsigned long size; | |
2025 | s32 idx = -1; | |
2026 | struct s2255_framei *frm; | |
2027 | unsigned char *pdata; | |
fe85ce90 | 2028 | struct s2255_channel *channel; |
38f993ad | 2029 | dprintk(100, "buffer to user\n"); |
fe85ce90 DA |
2030 | channel = &dev->channel[dev->cc]; |
2031 | idx = channel->cur_frame; | |
2032 | frm = &channel->buffer.frame[idx]; | |
14d96260 DA |
2033 | if (frm->ulState == S2255_READ_IDLE) { |
2034 | int jj; | |
2035 | unsigned int cc; | |
3fa00605 | 2036 | __le32 *pdword; /*data from dsp is little endian */ |
14d96260 DA |
2037 | int payload; |
2038 | /* search for marker codes */ | |
2039 | pdata = (unsigned char *)pipe_info->transfer_buffer; | |
3fa00605 | 2040 | pdword = (__le32 *)pdata; |
14d96260 | 2041 | for (jj = 0; jj < (pipe_info->cur_transfer_size - 12); jj++) { |
3fa00605 | 2042 | switch (*pdword) { |
14d96260 | 2043 | case S2255_MARKER_FRAME: |
14d96260 DA |
2044 | dprintk(4, "found frame marker at offset:" |
2045 | " %d [%x %x]\n", jj, pdata[0], | |
2046 | pdata[1]); | |
2047 | offset = jj + PREFIX_SIZE; | |
2048 | bframe = 1; | |
2049 | cc = pdword[1]; | |
2050 | if (cc >= MAX_CHANNELS) { | |
2051 | printk(KERN_ERR | |
2052 | "bad channel\n"); | |
2053 | return -EINVAL; | |
2054 | } | |
2055 | /* reverse it */ | |
2056 | dev->cc = G_chnmap[cc]; | |
fe85ce90 | 2057 | channel = &dev->channel[dev->cc]; |
14d96260 | 2058 | payload = pdword[3]; |
fe85ce90 DA |
2059 | if (payload > channel->req_image_size) { |
2060 | channel->bad_payload++; | |
14d96260 DA |
2061 | /* discard the bad frame */ |
2062 | return -EINVAL; | |
2063 | } | |
fe85ce90 DA |
2064 | channel->pkt_size = payload; |
2065 | channel->jpg_size = pdword[4]; | |
14d96260 DA |
2066 | break; |
2067 | case S2255_MARKER_RESPONSE: | |
fe85ce90 | 2068 | |
14d96260 DA |
2069 | pdata += DEF_USB_BLOCK; |
2070 | jj += DEF_USB_BLOCK; | |
2071 | if (pdword[1] >= MAX_CHANNELS) | |
2072 | break; | |
2073 | cc = G_chnmap[pdword[1]]; | |
f14a2972 | 2074 | if (cc >= MAX_CHANNELS) |
14d96260 | 2075 | break; |
fe85ce90 | 2076 | channel = &dev->channel[cc]; |
14d96260 | 2077 | switch (pdword[2]) { |
abce21f4 | 2078 | case S2255_RESPONSE_SETMODE: |
14d96260 DA |
2079 | /* check if channel valid */ |
2080 | /* set mode ready */ | |
fe85ce90 DA |
2081 | channel->setmode_ready = 1; |
2082 | wake_up(&channel->wait_setmode); | |
14d96260 | 2083 | dprintk(5, "setmode ready %d\n", cc); |
38f993ad | 2084 | break; |
abce21f4 | 2085 | case S2255_RESPONSE_FW: |
14d96260 DA |
2086 | dev->chn_ready |= (1 << cc); |
2087 | if ((dev->chn_ready & 0x0f) != 0x0f) | |
2088 | break; | |
2089 | /* all channels ready */ | |
2090 | printk(KERN_INFO "s2255: fw loaded\n"); | |
2091 | atomic_set(&dev->fw_data->fw_state, | |
2092 | S2255_FW_SUCCESS); | |
2093 | wake_up(&dev->fw_data->wait_fw); | |
2094 | break; | |
4de39f5d | 2095 | case S2255_RESPONSE_STATUS: |
fe85ce90 DA |
2096 | channel->vidstatus = pdword[3]; |
2097 | channel->vidstatus_ready = 1; | |
2098 | wake_up(&channel->wait_vidstatus); | |
4de39f5d DA |
2099 | dprintk(5, "got vidstatus %x chan %d\n", |
2100 | pdword[3], cc); | |
2101 | break; | |
14d96260 | 2102 | default: |
af901ca1 | 2103 | printk(KERN_INFO "s2255 unknown resp\n"); |
38f993ad | 2104 | } |
14d96260 | 2105 | default: |
38f993ad | 2106 | pdata++; |
14d96260 | 2107 | break; |
38f993ad | 2108 | } |
14d96260 DA |
2109 | if (bframe) |
2110 | break; | |
2111 | } /* for */ | |
2112 | if (!bframe) | |
2113 | return -EINVAL; | |
38f993ad | 2114 | } |
fe85ce90 DA |
2115 | channel = &dev->channel[dev->cc]; |
2116 | idx = channel->cur_frame; | |
2117 | frm = &channel->buffer.frame[idx]; | |
14d96260 | 2118 | /* search done. now find out if should be acquiring on this channel */ |
fe85ce90 | 2119 | if (!channel->b_acquire) { |
14d96260 DA |
2120 | /* we found a frame, but this channel is turned off */ |
2121 | frm->ulState = S2255_READ_IDLE; | |
2122 | return -EINVAL; | |
38f993ad DA |
2123 | } |
2124 | ||
14d96260 DA |
2125 | if (frm->ulState == S2255_READ_IDLE) { |
2126 | frm->ulState = S2255_READ_FRAME; | |
2127 | frm->cur_size = 0; | |
38f993ad DA |
2128 | } |
2129 | ||
14d96260 DA |
2130 | /* skip the marker 512 bytes (and offset if out of sync) */ |
2131 | psrc = (u8 *)pipe_info->transfer_buffer + offset; | |
2132 | ||
2133 | ||
38f993ad DA |
2134 | if (frm->lpvbits == NULL) { |
2135 | dprintk(1, "s2255 frame buffer == NULL.%p %p %d %d", | |
2136 | frm, dev, dev->cc, idx); | |
2137 | return -ENOMEM; | |
2138 | } | |
2139 | ||
2140 | pdest = frm->lpvbits + frm->cur_size; | |
2141 | ||
14d96260 | 2142 | copy_size = (pipe_info->cur_transfer_size - offset); |
38f993ad | 2143 | |
fe85ce90 | 2144 | size = channel->pkt_size - PREFIX_SIZE; |
38f993ad | 2145 | |
14d96260 | 2146 | /* sanity check on pdest */ |
fe85ce90 | 2147 | if ((copy_size + frm->cur_size) < channel->req_image_size) |
14d96260 | 2148 | memcpy(pdest, psrc, copy_size); |
38f993ad | 2149 | |
38f993ad | 2150 | frm->cur_size += copy_size; |
14d96260 DA |
2151 | dprintk(4, "cur_size size %lu size %lu \n", frm->cur_size, size); |
2152 | ||
2153 | if (frm->cur_size >= size) { | |
38f993ad | 2154 | dprintk(2, "****************[%d]Buffer[%d]full*************\n", |
fe85ce90 DA |
2155 | dev->cc, idx); |
2156 | channel->last_frame = channel->cur_frame; | |
2157 | channel->cur_frame++; | |
38f993ad | 2158 | /* end of system frame ring buffer, start at zero */ |
fe85ce90 DA |
2159 | if ((channel->cur_frame == SYS_FRAMES) || |
2160 | (channel->cur_frame == channel->buffer.dwFrames)) | |
2161 | channel->cur_frame = 0; | |
14d96260 | 2162 | /* frame ready */ |
fe85ce90 DA |
2163 | if (channel->b_acquire) |
2164 | s2255_got_frame(channel, channel->jpg_size); | |
2165 | channel->frame_count++; | |
14d96260 DA |
2166 | frm->ulState = S2255_READ_IDLE; |
2167 | frm->cur_size = 0; | |
2168 | ||
38f993ad DA |
2169 | } |
2170 | /* done successfully */ | |
2171 | return 0; | |
2172 | } | |
2173 | ||
2174 | static void s2255_read_video_callback(struct s2255_dev *dev, | |
2175 | struct s2255_pipeinfo *pipe_info) | |
2176 | { | |
2177 | int res; | |
2178 | dprintk(50, "callback read video \n"); | |
2179 | ||
2180 | if (dev->cc >= MAX_CHANNELS) { | |
2181 | dev->cc = 0; | |
2182 | dev_err(&dev->udev->dev, "invalid channel\n"); | |
2183 | return; | |
2184 | } | |
2185 | /* otherwise copy to the system buffers */ | |
2186 | res = save_frame(dev, pipe_info); | |
14d96260 DA |
2187 | if (res != 0) |
2188 | dprintk(4, "s2255: read callback failed\n"); | |
38f993ad DA |
2189 | |
2190 | dprintk(50, "callback read video done\n"); | |
2191 | return; | |
2192 | } | |
2193 | ||
2194 | static long s2255_vendor_req(struct s2255_dev *dev, unsigned char Request, | |
2195 | u16 Index, u16 Value, void *TransferBuffer, | |
2196 | s32 TransferBufferLength, int bOut) | |
2197 | { | |
2198 | int r; | |
2199 | if (!bOut) { | |
2200 | r = usb_control_msg(dev->udev, usb_rcvctrlpipe(dev->udev, 0), | |
2201 | Request, | |
2202 | USB_TYPE_VENDOR | USB_RECIP_DEVICE | | |
2203 | USB_DIR_IN, | |
2204 | Value, Index, TransferBuffer, | |
2205 | TransferBufferLength, HZ * 5); | |
2206 | } else { | |
2207 | r = usb_control_msg(dev->udev, usb_sndctrlpipe(dev->udev, 0), | |
2208 | Request, USB_TYPE_VENDOR | USB_RECIP_DEVICE, | |
2209 | Value, Index, TransferBuffer, | |
2210 | TransferBufferLength, HZ * 5); | |
2211 | } | |
2212 | return r; | |
2213 | } | |
2214 | ||
2215 | /* | |
2216 | * retrieve FX2 firmware version. future use. | |
2217 | * @param dev pointer to device extension | |
2218 | * @return -1 for fail, else returns firmware version as an int(16 bits) | |
2219 | */ | |
2220 | static int s2255_get_fx2fw(struct s2255_dev *dev) | |
2221 | { | |
2222 | int fw; | |
2223 | int ret; | |
2224 | unsigned char transBuffer[64]; | |
2225 | ret = s2255_vendor_req(dev, S2255_VR_FW, 0, 0, transBuffer, 2, | |
2226 | S2255_VR_IN); | |
2227 | if (ret < 0) | |
2228 | dprintk(2, "get fw error: %x\n", ret); | |
2229 | fw = transBuffer[0] + (transBuffer[1] << 8); | |
2230 | dprintk(2, "Get FW %x %x\n", transBuffer[0], transBuffer[1]); | |
2231 | return fw; | |
2232 | } | |
2233 | ||
2234 | /* | |
2235 | * Create the system ring buffer to copy frames into from the | |
2236 | * usb read pipe. | |
2237 | */ | |
fe85ce90 | 2238 | static int s2255_create_sys_buffers(struct s2255_channel *channel) |
38f993ad DA |
2239 | { |
2240 | unsigned long i; | |
2241 | unsigned long reqsize; | |
2242 | dprintk(1, "create sys buffers\n"); | |
fe85ce90 | 2243 | channel->buffer.dwFrames = SYS_FRAMES; |
38f993ad DA |
2244 | /* always allocate maximum size(PAL) for system buffers */ |
2245 | reqsize = SYS_FRAMES_MAXSIZE; | |
2246 | ||
2247 | if (reqsize > SYS_FRAMES_MAXSIZE) | |
2248 | reqsize = SYS_FRAMES_MAXSIZE; | |
2249 | ||
2250 | for (i = 0; i < SYS_FRAMES; i++) { | |
2251 | /* allocate the frames */ | |
fe85ce90 DA |
2252 | channel->buffer.frame[i].lpvbits = vmalloc(reqsize); |
2253 | dprintk(1, "valloc %p chan %d, idx %lu, pdata %p\n", | |
2254 | &channel->buffer.frame[i], channel->idx, i, | |
2255 | channel->buffer.frame[i].lpvbits); | |
2256 | channel->buffer.frame[i].size = reqsize; | |
2257 | if (channel->buffer.frame[i].lpvbits == NULL) { | |
38f993ad | 2258 | printk(KERN_INFO "out of memory. using less frames\n"); |
fe85ce90 | 2259 | channel->buffer.dwFrames = i; |
38f993ad DA |
2260 | break; |
2261 | } | |
2262 | } | |
2263 | ||
2264 | /* make sure internal states are set */ | |
2265 | for (i = 0; i < SYS_FRAMES; i++) { | |
fe85ce90 DA |
2266 | channel->buffer.frame[i].ulState = 0; |
2267 | channel->buffer.frame[i].cur_size = 0; | |
38f993ad DA |
2268 | } |
2269 | ||
fe85ce90 DA |
2270 | channel->cur_frame = 0; |
2271 | channel->last_frame = -1; | |
38f993ad DA |
2272 | return 0; |
2273 | } | |
2274 | ||
fe85ce90 | 2275 | static int s2255_release_sys_buffers(struct s2255_channel *channel) |
38f993ad DA |
2276 | { |
2277 | unsigned long i; | |
2278 | dprintk(1, "release sys buffers\n"); | |
2279 | for (i = 0; i < SYS_FRAMES; i++) { | |
fe85ce90 | 2280 | if (channel->buffer.frame[i].lpvbits) { |
38f993ad | 2281 | dprintk(1, "vfree %p\n", |
fe85ce90 DA |
2282 | channel->buffer.frame[i].lpvbits); |
2283 | vfree(channel->buffer.frame[i].lpvbits); | |
38f993ad | 2284 | } |
fe85ce90 | 2285 | channel->buffer.frame[i].lpvbits = NULL; |
38f993ad DA |
2286 | } |
2287 | return 0; | |
2288 | } | |
2289 | ||
2290 | static int s2255_board_init(struct s2255_dev *dev) | |
2291 | { | |
38f993ad DA |
2292 | struct s2255_mode mode_def = DEF_MODEI_NTSC_CONT; |
2293 | int fw_ver; | |
ab85c6a3 DA |
2294 | int j; |
2295 | struct s2255_pipeinfo *pipe = &dev->pipe; | |
38f993ad | 2296 | dprintk(4, "board init: %p", dev); |
ab85c6a3 DA |
2297 | memset(pipe, 0, sizeof(*pipe)); |
2298 | pipe->dev = dev; | |
2299 | pipe->cur_transfer_size = S2255_USB_XFER_SIZE; | |
2300 | pipe->max_transfer_size = S2255_USB_XFER_SIZE; | |
2301 | ||
2302 | pipe->transfer_buffer = kzalloc(pipe->max_transfer_size, | |
2303 | GFP_KERNEL); | |
2304 | if (pipe->transfer_buffer == NULL) { | |
2305 | dprintk(1, "out of memory!\n"); | |
2306 | return -ENOMEM; | |
38f993ad | 2307 | } |
38f993ad DA |
2308 | /* query the firmware */ |
2309 | fw_ver = s2255_get_fx2fw(dev); | |
2310 | ||
abce21f4 DA |
2311 | printk(KERN_INFO "2255 usb firmware version %d.%d\n", |
2312 | (fw_ver >> 8) & 0xff, | |
2313 | fw_ver & 0xff); | |
2314 | ||
2315 | if (fw_ver < S2255_CUR_USB_FWVER) | |
be9ed511 | 2316 | dev_err(&dev->udev->dev, |
abce21f4 DA |
2317 | "usb firmware not up to date %d.%d\n", |
2318 | (fw_ver >> 8) & 0xff, | |
2319 | fw_ver & 0xff); | |
38f993ad DA |
2320 | |
2321 | for (j = 0; j < MAX_CHANNELS; j++) { | |
fe85ce90 DA |
2322 | struct s2255_channel *channel = &dev->channel[j]; |
2323 | channel->b_acquire = 0; | |
2324 | channel->mode = mode_def; | |
5a34d9df | 2325 | if (dev->pid == 0x2257 && j > 1) |
fe85ce90 DA |
2326 | channel->mode.color |= (1 << 16); |
2327 | channel->jc.quality = S2255_DEF_JPEG_QUAL; | |
2328 | channel->width = LINE_SZ_4CIFS_NTSC; | |
2329 | channel->height = NUM_LINES_4CIFS_NTSC * 2; | |
2330 | channel->fmt = &formats[0]; | |
2331 | channel->mode.restart = 1; | |
2332 | channel->req_image_size = get_transfer_size(&mode_def); | |
2333 | channel->frame_count = 0; | |
38f993ad | 2334 | /* create the system buffers */ |
fe85ce90 | 2335 | s2255_create_sys_buffers(channel); |
38f993ad DA |
2336 | } |
2337 | /* start read pipe */ | |
2338 | s2255_start_readpipe(dev); | |
85b85482 | 2339 | dprintk(1, "%s: success\n", __func__); |
38f993ad DA |
2340 | return 0; |
2341 | } | |
2342 | ||
2343 | static int s2255_board_shutdown(struct s2255_dev *dev) | |
2344 | { | |
2345 | u32 i; | |
85b85482 | 2346 | dprintk(1, "%s: dev: %p", __func__, dev); |
38f993ad DA |
2347 | |
2348 | for (i = 0; i < MAX_CHANNELS; i++) { | |
fe85ce90 DA |
2349 | if (dev->channel[i].b_acquire) |
2350 | s2255_stop_acquire(&dev->channel[i]); | |
38f993ad | 2351 | } |
38f993ad | 2352 | s2255_stop_readpipe(dev); |
38f993ad | 2353 | for (i = 0; i < MAX_CHANNELS; i++) |
fe85ce90 | 2354 | s2255_release_sys_buffers(&dev->channel[i]); |
ab85c6a3 DA |
2355 | /* release transfer buffer */ |
2356 | kfree(dev->pipe.transfer_buffer); | |
38f993ad DA |
2357 | return 0; |
2358 | } | |
2359 | ||
2360 | static void read_pipe_completion(struct urb *purb) | |
2361 | { | |
2362 | struct s2255_pipeinfo *pipe_info; | |
2363 | struct s2255_dev *dev; | |
2364 | int status; | |
2365 | int pipe; | |
38f993ad | 2366 | pipe_info = purb->context; |
85b85482 | 2367 | dprintk(100, "%s: urb:%p, status %d\n", __func__, purb, |
38f993ad DA |
2368 | purb->status); |
2369 | if (pipe_info == NULL) { | |
be9ed511 | 2370 | dev_err(&purb->dev->dev, "no context!\n"); |
38f993ad DA |
2371 | return; |
2372 | } | |
2373 | ||
2374 | dev = pipe_info->dev; | |
2375 | if (dev == NULL) { | |
be9ed511 | 2376 | dev_err(&purb->dev->dev, "no context!\n"); |
38f993ad DA |
2377 | return; |
2378 | } | |
2379 | status = purb->status; | |
b02064ca DA |
2380 | /* if shutting down, do not resubmit, exit immediately */ |
2381 | if (status == -ESHUTDOWN) { | |
85b85482 | 2382 | dprintk(2, "%s: err shutdown\n", __func__); |
b02064ca | 2383 | pipe_info->err_count++; |
38f993ad DA |
2384 | return; |
2385 | } | |
2386 | ||
2387 | if (pipe_info->state == 0) { | |
85b85482 | 2388 | dprintk(2, "%s: exiting USB pipe", __func__); |
38f993ad DA |
2389 | return; |
2390 | } | |
2391 | ||
b02064ca DA |
2392 | if (status == 0) |
2393 | s2255_read_video_callback(dev, pipe_info); | |
2394 | else { | |
2395 | pipe_info->err_count++; | |
85b85482 | 2396 | dprintk(1, "%s: failed URB %d\n", __func__, status); |
b02064ca | 2397 | } |
38f993ad | 2398 | |
38f993ad DA |
2399 | pipe = usb_rcvbulkpipe(dev->udev, dev->read_endpoint); |
2400 | /* reuse urb */ | |
2401 | usb_fill_bulk_urb(pipe_info->stream_urb, dev->udev, | |
2402 | pipe, | |
2403 | pipe_info->transfer_buffer, | |
2404 | pipe_info->cur_transfer_size, | |
2405 | read_pipe_completion, pipe_info); | |
2406 | ||
2407 | if (pipe_info->state != 0) { | |
2408 | if (usb_submit_urb(pipe_info->stream_urb, GFP_KERNEL)) { | |
2409 | dev_err(&dev->udev->dev, "error submitting urb\n"); | |
38f993ad DA |
2410 | } |
2411 | } else { | |
85b85482 | 2412 | dprintk(2, "%s :complete state 0\n", __func__); |
38f993ad DA |
2413 | } |
2414 | return; | |
2415 | } | |
2416 | ||
2417 | static int s2255_start_readpipe(struct s2255_dev *dev) | |
2418 | { | |
2419 | int pipe; | |
2420 | int retval; | |
ab85c6a3 | 2421 | struct s2255_pipeinfo *pipe_info = &dev->pipe; |
38f993ad | 2422 | pipe = usb_rcvbulkpipe(dev->udev, dev->read_endpoint); |
85b85482 | 2423 | dprintk(2, "%s: IN %d\n", __func__, dev->read_endpoint); |
ab85c6a3 DA |
2424 | pipe_info->state = 1; |
2425 | pipe_info->err_count = 0; | |
2426 | pipe_info->stream_urb = usb_alloc_urb(0, GFP_KERNEL); | |
2427 | if (!pipe_info->stream_urb) { | |
2428 | dev_err(&dev->udev->dev, | |
2429 | "ReadStream: Unable to alloc URB\n"); | |
2430 | return -ENOMEM; | |
38f993ad | 2431 | } |
ab85c6a3 DA |
2432 | /* transfer buffer allocated in board_init */ |
2433 | usb_fill_bulk_urb(pipe_info->stream_urb, dev->udev, | |
2434 | pipe, | |
2435 | pipe_info->transfer_buffer, | |
2436 | pipe_info->cur_transfer_size, | |
2437 | read_pipe_completion, pipe_info); | |
ab85c6a3 DA |
2438 | retval = usb_submit_urb(pipe_info->stream_urb, GFP_KERNEL); |
2439 | if (retval) { | |
2440 | printk(KERN_ERR "s2255: start read pipe failed\n"); | |
2441 | return retval; | |
2442 | } | |
38f993ad DA |
2443 | return 0; |
2444 | } | |
2445 | ||
2446 | /* starts acquisition process */ | |
fe85ce90 | 2447 | static int s2255_start_acquire(struct s2255_channel *channel) |
38f993ad DA |
2448 | { |
2449 | unsigned char *buffer; | |
2450 | int res; | |
2451 | unsigned long chn_rev; | |
2452 | int j; | |
fe85ce90 DA |
2453 | struct s2255_dev *dev = to_s2255_dev(channel->vdev.v4l2_dev); |
2454 | chn_rev = G_chnmap[channel->idx]; | |
38f993ad DA |
2455 | buffer = kzalloc(512, GFP_KERNEL); |
2456 | if (buffer == NULL) { | |
2457 | dev_err(&dev->udev->dev, "out of mem\n"); | |
2458 | return -ENOMEM; | |
2459 | } | |
2460 | ||
fe85ce90 DA |
2461 | channel->last_frame = -1; |
2462 | channel->bad_payload = 0; | |
2463 | channel->cur_frame = 0; | |
38f993ad | 2464 | for (j = 0; j < SYS_FRAMES; j++) { |
fe85ce90 DA |
2465 | channel->buffer.frame[j].ulState = 0; |
2466 | channel->buffer.frame[j].cur_size = 0; | |
38f993ad DA |
2467 | } |
2468 | ||
2469 | /* send the start command */ | |
3fa00605 DA |
2470 | *(__le32 *) buffer = IN_DATA_TOKEN; |
2471 | *((__le32 *) buffer + 1) = (__le32) cpu_to_le32(chn_rev); | |
2472 | *((__le32 *) buffer + 2) = CMD_START; | |
38f993ad DA |
2473 | res = s2255_write_config(dev->udev, (unsigned char *)buffer, 512); |
2474 | if (res != 0) | |
2475 | dev_err(&dev->udev->dev, "CMD_START error\n"); | |
2476 | ||
fe85ce90 | 2477 | dprintk(2, "start acquire exit[%d] %d \n", channel->idx, res); |
38f993ad DA |
2478 | kfree(buffer); |
2479 | return 0; | |
2480 | } | |
2481 | ||
fe85ce90 | 2482 | static int s2255_stop_acquire(struct s2255_channel *channel) |
38f993ad DA |
2483 | { |
2484 | unsigned char *buffer; | |
2485 | int res; | |
2486 | unsigned long chn_rev; | |
fe85ce90 DA |
2487 | struct s2255_dev *dev = to_s2255_dev(channel->vdev.v4l2_dev); |
2488 | chn_rev = G_chnmap[channel->idx]; | |
38f993ad DA |
2489 | buffer = kzalloc(512, GFP_KERNEL); |
2490 | if (buffer == NULL) { | |
2491 | dev_err(&dev->udev->dev, "out of mem\n"); | |
2492 | return -ENOMEM; | |
2493 | } | |
38f993ad | 2494 | /* send the stop command */ |
3fa00605 DA |
2495 | *(__le32 *) buffer = IN_DATA_TOKEN; |
2496 | *((__le32 *) buffer + 1) = (__le32) cpu_to_le32(chn_rev); | |
2497 | *((__le32 *) buffer + 2) = CMD_STOP; | |
38f993ad | 2498 | res = s2255_write_config(dev->udev, (unsigned char *)buffer, 512); |
38f993ad DA |
2499 | if (res != 0) |
2500 | dev_err(&dev->udev->dev, "CMD_STOP error\n"); | |
38f993ad | 2501 | kfree(buffer); |
fe85ce90 DA |
2502 | channel->b_acquire = 0; |
2503 | dprintk(4, "%s: chn %d, res %d\n", __func__, channel->idx, res); | |
14d96260 | 2504 | return res; |
38f993ad DA |
2505 | } |
2506 | ||
2507 | static void s2255_stop_readpipe(struct s2255_dev *dev) | |
2508 | { | |
ab85c6a3 | 2509 | struct s2255_pipeinfo *pipe = &dev->pipe; |
8b661b50 | 2510 | |
ab85c6a3 DA |
2511 | pipe->state = 0; |
2512 | if (pipe->stream_urb) { | |
2513 | /* cancel urb */ | |
2514 | usb_kill_urb(pipe->stream_urb); | |
2515 | usb_free_urb(pipe->stream_urb); | |
2516 | pipe->stream_urb = NULL; | |
38f993ad | 2517 | } |
ab85c6a3 | 2518 | dprintk(4, "%s", __func__); |
38f993ad DA |
2519 | return; |
2520 | } | |
2521 | ||
14d96260 | 2522 | static void s2255_fwload_start(struct s2255_dev *dev, int reset) |
38f993ad | 2523 | { |
14d96260 DA |
2524 | if (reset) |
2525 | s2255_reset_dsppower(dev); | |
38f993ad DA |
2526 | dev->fw_data->fw_size = dev->fw_data->fw->size; |
2527 | atomic_set(&dev->fw_data->fw_state, S2255_FW_NOTLOADED); | |
2528 | memcpy(dev->fw_data->pfw_data, | |
2529 | dev->fw_data->fw->data, CHUNK_SIZE); | |
2530 | dev->fw_data->fw_loaded = CHUNK_SIZE; | |
2531 | usb_fill_bulk_urb(dev->fw_data->fw_urb, dev->udev, | |
2532 | usb_sndbulkpipe(dev->udev, 2), | |
2533 | dev->fw_data->pfw_data, | |
2534 | CHUNK_SIZE, s2255_fwchunk_complete, | |
2535 | dev->fw_data); | |
2536 | mod_timer(&dev->timer, jiffies + HZ); | |
2537 | } | |
2538 | ||
2539 | /* standard usb probe function */ | |
2540 | static int s2255_probe(struct usb_interface *interface, | |
2541 | const struct usb_device_id *id) | |
2542 | { | |
2543 | struct s2255_dev *dev = NULL; | |
2544 | struct usb_host_interface *iface_desc; | |
2545 | struct usb_endpoint_descriptor *endpoint; | |
2546 | int i; | |
2547 | int retval = -ENOMEM; | |
14d96260 DA |
2548 | __le32 *pdata; |
2549 | int fw_size; | |
85b85482 | 2550 | dprintk(2, "%s\n", __func__); |
38f993ad DA |
2551 | /* allocate memory for our device state and initialize it to zero */ |
2552 | dev = kzalloc(sizeof(struct s2255_dev), GFP_KERNEL); | |
2553 | if (dev == NULL) { | |
be9ed511 | 2554 | s2255_dev_err(&interface->dev, "out of memory\n"); |
ff7e22df | 2555 | return -ENOMEM; |
38f993ad | 2556 | } |
fe85ce90 | 2557 | atomic_set(&dev->num_channels, 0); |
5a34d9df | 2558 | dev->pid = id->idProduct; |
38f993ad DA |
2559 | dev->fw_data = kzalloc(sizeof(struct s2255_fw), GFP_KERNEL); |
2560 | if (!dev->fw_data) | |
ff7e22df | 2561 | goto errorFWDATA1; |
38f993ad DA |
2562 | mutex_init(&dev->lock); |
2563 | mutex_init(&dev->open_lock); | |
38f993ad DA |
2564 | /* grab usb_device and save it */ |
2565 | dev->udev = usb_get_dev(interface_to_usbdev(interface)); | |
2566 | if (dev->udev == NULL) { | |
2567 | dev_err(&interface->dev, "null usb device\n"); | |
2568 | retval = -ENODEV; | |
ff7e22df | 2569 | goto errorUDEV; |
38f993ad | 2570 | } |
d62e85a0 | 2571 | dprintk(1, "dev: %p, udev %p interface %p\n", dev, |
38f993ad DA |
2572 | dev->udev, interface); |
2573 | dev->interface = interface; | |
2574 | /* set up the endpoint information */ | |
2575 | iface_desc = interface->cur_altsetting; | |
2576 | dprintk(1, "num endpoints %d\n", iface_desc->desc.bNumEndpoints); | |
2577 | for (i = 0; i < iface_desc->desc.bNumEndpoints; ++i) { | |
2578 | endpoint = &iface_desc->endpoint[i].desc; | |
2579 | if (!dev->read_endpoint && usb_endpoint_is_bulk_in(endpoint)) { | |
2580 | /* we found the bulk in endpoint */ | |
2581 | dev->read_endpoint = endpoint->bEndpointAddress; | |
2582 | } | |
2583 | } | |
2584 | ||
2585 | if (!dev->read_endpoint) { | |
be9ed511 | 2586 | dev_err(&interface->dev, "Could not find bulk-in endpoint\n"); |
ff7e22df | 2587 | goto errorEP; |
38f993ad | 2588 | } |
38f993ad DA |
2589 | init_timer(&dev->timer); |
2590 | dev->timer.function = s2255_timer; | |
2591 | dev->timer.data = (unsigned long)dev->fw_data; | |
38f993ad | 2592 | init_waitqueue_head(&dev->fw_data->wait_fw); |
4de39f5d | 2593 | for (i = 0; i < MAX_CHANNELS; i++) { |
fe85ce90 DA |
2594 | struct s2255_channel *channel = &dev->channel[i]; |
2595 | dev->channel[i].idx = i; | |
2596 | init_waitqueue_head(&channel->wait_setmode); | |
2597 | init_waitqueue_head(&channel->wait_vidstatus); | |
4de39f5d | 2598 | } |
38f993ad DA |
2599 | |
2600 | dev->fw_data->fw_urb = usb_alloc_urb(0, GFP_KERNEL); | |
38f993ad DA |
2601 | if (!dev->fw_data->fw_urb) { |
2602 | dev_err(&interface->dev, "out of memory!\n"); | |
ff7e22df | 2603 | goto errorFWURB; |
38f993ad | 2604 | } |
ff7e22df | 2605 | |
38f993ad DA |
2606 | dev->fw_data->pfw_data = kzalloc(CHUNK_SIZE, GFP_KERNEL); |
2607 | if (!dev->fw_data->pfw_data) { | |
2608 | dev_err(&interface->dev, "out of memory!\n"); | |
ff7e22df | 2609 | goto errorFWDATA2; |
38f993ad DA |
2610 | } |
2611 | /* load the first chunk */ | |
2612 | if (request_firmware(&dev->fw_data->fw, | |
2613 | FIRMWARE_FILE_NAME, &dev->udev->dev)) { | |
2614 | printk(KERN_ERR "sensoray 2255 failed to get firmware\n"); | |
ff7e22df | 2615 | goto errorREQFW; |
38f993ad | 2616 | } |
14d96260 DA |
2617 | /* check the firmware is valid */ |
2618 | fw_size = dev->fw_data->fw->size; | |
2619 | pdata = (__le32 *) &dev->fw_data->fw->data[fw_size - 8]; | |
38f993ad | 2620 | |
14d96260 DA |
2621 | if (*pdata != S2255_FW_MARKER) { |
2622 | printk(KERN_INFO "Firmware invalid.\n"); | |
2623 | retval = -ENODEV; | |
ff7e22df | 2624 | goto errorFWMARKER; |
14d96260 DA |
2625 | } else { |
2626 | /* make sure firmware is the latest */ | |
2627 | __le32 *pRel; | |
2628 | pRel = (__le32 *) &dev->fw_data->fw->data[fw_size - 4]; | |
2629 | printk(KERN_INFO "s2255 dsp fw version %x\n", *pRel); | |
4de39f5d DA |
2630 | dev->dsp_fw_ver = *pRel; |
2631 | if (*pRel < S2255_CUR_DSP_FWVER) | |
2632 | printk(KERN_INFO "s2255: f2255usb.bin out of date.\n"); | |
5a34d9df | 2633 | if (dev->pid == 0x2257 && *pRel < S2255_MIN_DSP_COLORFILTER) |
ff7e22df | 2634 | printk(KERN_WARNING "s2255: 2257 requires firmware %d" |
fe85ce90 | 2635 | " or above.\n", S2255_MIN_DSP_COLORFILTER); |
14d96260 | 2636 | } |
14d96260 | 2637 | usb_reset_device(dev->udev); |
38f993ad | 2638 | /* load 2255 board specific */ |
abce21f4 DA |
2639 | retval = s2255_board_init(dev); |
2640 | if (retval) | |
ff7e22df | 2641 | goto errorBOARDINIT; |
38f993ad | 2642 | spin_lock_init(&dev->slock); |
14d96260 | 2643 | s2255_fwload_start(dev, 0); |
ff7e22df DA |
2644 | /* loads v4l specific */ |
2645 | retval = s2255_probe_v4l(dev); | |
2646 | if (retval) | |
3a67b5cc | 2647 | goto errorBOARDINIT; |
38f993ad DA |
2648 | dev_info(&interface->dev, "Sensoray 2255 detected\n"); |
2649 | return 0; | |
ff7e22df DA |
2650 | errorBOARDINIT: |
2651 | s2255_board_shutdown(dev); | |
2652 | errorFWMARKER: | |
2653 | release_firmware(dev->fw_data->fw); | |
2654 | errorREQFW: | |
2655 | kfree(dev->fw_data->pfw_data); | |
2656 | errorFWDATA2: | |
2657 | usb_free_urb(dev->fw_data->fw_urb); | |
2658 | errorFWURB: | |
2659 | del_timer(&dev->timer); | |
2660 | errorEP: | |
2661 | usb_put_dev(dev->udev); | |
2662 | errorUDEV: | |
2663 | kfree(dev->fw_data); | |
2664 | mutex_destroy(&dev->open_lock); | |
2665 | mutex_destroy(&dev->lock); | |
2666 | errorFWDATA1: | |
2667 | kfree(dev); | |
2668 | printk(KERN_WARNING "Sensoray 2255 driver load failed: 0x%x\n", retval); | |
38f993ad DA |
2669 | return retval; |
2670 | } | |
2671 | ||
2672 | /* disconnect routine. when board is removed physically or with rmmod */ | |
2673 | static void s2255_disconnect(struct usb_interface *interface) | |
2674 | { | |
65c6edb3 | 2675 | struct s2255_dev *dev = to_s2255_dev(usb_get_intfdata(interface)); |
14d96260 | 2676 | int i; |
fe85ce90 DA |
2677 | int channels = atomic_read(&dev->num_channels); |
2678 | v4l2_device_disconnect(&dev->v4l2_dev); | |
d62e85a0 | 2679 | /*see comments in the uvc_driver.c usb disconnect function */ |
fe85ce90 | 2680 | atomic_inc(&dev->num_channels); |
ff7e22df | 2681 | /* unregister each video device. */ |
fe85ce90 DA |
2682 | for (i = 0; i < channels; i++) |
2683 | video_unregister_device(&dev->channel[i].vdev); | |
ff7e22df | 2684 | /* wake up any of our timers */ |
14d96260 DA |
2685 | atomic_set(&dev->fw_data->fw_state, S2255_FW_DISCONNECTING); |
2686 | wake_up(&dev->fw_data->wait_fw); | |
2687 | for (i = 0; i < MAX_CHANNELS; i++) { | |
fe85ce90 DA |
2688 | dev->channel[i].setmode_ready = 1; |
2689 | wake_up(&dev->channel[i].wait_setmode); | |
2690 | dev->channel[i].vidstatus_ready = 1; | |
2691 | wake_up(&dev->channel[i].wait_vidstatus); | |
14d96260 | 2692 | } |
fe85ce90 | 2693 | if (atomic_dec_and_test(&dev->num_channels)) |
d62e85a0 | 2694 | s2255_destroy(dev); |
ff7e22df | 2695 | dev_info(&interface->dev, "%s\n", __func__); |
38f993ad DA |
2696 | } |
2697 | ||
2698 | static struct usb_driver s2255_driver = { | |
be9ed511 | 2699 | .name = S2255_DRIVER_NAME, |
38f993ad DA |
2700 | .probe = s2255_probe, |
2701 | .disconnect = s2255_disconnect, | |
2702 | .id_table = s2255_table, | |
2703 | }; | |
2704 | ||
2705 | static int __init usb_s2255_init(void) | |
2706 | { | |
2707 | int result; | |
38f993ad DA |
2708 | /* register this driver with the USB subsystem */ |
2709 | result = usb_register(&s2255_driver); | |
38f993ad | 2710 | if (result) |
be9ed511 | 2711 | pr_err(KBUILD_MODNAME |
ff7e22df DA |
2712 | ": usb_register failed. Error number %d\n", result); |
2713 | dprintk(2, "%s\n", __func__); | |
38f993ad DA |
2714 | return result; |
2715 | } | |
2716 | ||
2717 | static void __exit usb_s2255_exit(void) | |
2718 | { | |
2719 | usb_deregister(&s2255_driver); | |
2720 | } | |
2721 | ||
2722 | module_init(usb_s2255_init); | |
2723 | module_exit(usb_s2255_exit); | |
2724 | ||
2725 | MODULE_DESCRIPTION("Sensoray 2255 Video for Linux driver"); | |
2726 | MODULE_AUTHOR("Dean Anderson (Sensoray Company Inc.)"); | |
2727 | MODULE_LICENSE("GPL"); |