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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> |
405f5571 | 52 | #include <linux/smp_lock.h> |
38f993ad DA |
53 | #include <media/videobuf-vmalloc.h> |
54 | #include <media/v4l2-common.h> | |
3a67b5cc | 55 | #include <media/v4l2-device.h> |
35ea11ff | 56 | #include <media/v4l2-ioctl.h> |
38f993ad DA |
57 | #include <linux/vmalloc.h> |
58 | #include <linux/usb.h> | |
59 | ||
85b85482 | 60 | #define S2255_MAJOR_VERSION 1 |
eb78deec | 61 | #define S2255_MINOR_VERSION 20 |
85b85482 DA |
62 | #define S2255_RELEASE 0 |
63 | #define S2255_VERSION KERNEL_VERSION(S2255_MAJOR_VERSION, \ | |
64 | S2255_MINOR_VERSION, \ | |
65 | S2255_RELEASE) | |
38f993ad DA |
66 | #define FIRMWARE_FILE_NAME "f2255usb.bin" |
67 | ||
22b88d48 DA |
68 | /* default JPEG quality */ |
69 | #define S2255_DEF_JPEG_QUAL 50 | |
38f993ad DA |
70 | /* vendor request in */ |
71 | #define S2255_VR_IN 0 | |
72 | /* vendor request out */ | |
73 | #define S2255_VR_OUT 1 | |
74 | /* firmware query */ | |
75 | #define S2255_VR_FW 0x30 | |
76 | /* USB endpoint number for configuring the device */ | |
77 | #define S2255_CONFIG_EP 2 | |
78 | /* maximum time for DSP to start responding after last FW word loaded(ms) */ | |
14d96260 | 79 | #define S2255_DSP_BOOTTIME 800 |
38f993ad | 80 | /* maximum time to wait for firmware to load (ms) */ |
3f8d6f73 | 81 | #define S2255_LOAD_TIMEOUT (5000 + S2255_DSP_BOOTTIME) |
38f993ad | 82 | #define S2255_DEF_BUFS 16 |
14d96260 | 83 | #define S2255_SETMODE_TIMEOUT 500 |
4de39f5d | 84 | #define S2255_VIDSTATUS_TIMEOUT 350 |
3fa00605 DA |
85 | #define S2255_MARKER_FRAME cpu_to_le32(0x2255DA4AL) |
86 | #define S2255_MARKER_RESPONSE cpu_to_le32(0x2255ACACL) | |
87 | #define S2255_RESPONSE_SETMODE cpu_to_le32(0x01) | |
88 | #define S2255_RESPONSE_FW cpu_to_le32(0x10) | |
89 | #define S2255_RESPONSE_STATUS cpu_to_le32(0x20) | |
14d96260 | 90 | #define S2255_USB_XFER_SIZE (16 * 1024) |
38f993ad | 91 | #define MAX_CHANNELS 4 |
38f993ad DA |
92 | #define SYS_FRAMES 4 |
93 | /* maximum size is PAL full size plus room for the marker header(s) */ | |
14d96260 DA |
94 | #define SYS_FRAMES_MAXSIZE (720*288*2*2 + 4096) |
95 | #define DEF_USB_BLOCK S2255_USB_XFER_SIZE | |
38f993ad DA |
96 | #define LINE_SZ_4CIFS_NTSC 640 |
97 | #define LINE_SZ_2CIFS_NTSC 640 | |
98 | #define LINE_SZ_1CIFS_NTSC 320 | |
99 | #define LINE_SZ_4CIFS_PAL 704 | |
100 | #define LINE_SZ_2CIFS_PAL 704 | |
101 | #define LINE_SZ_1CIFS_PAL 352 | |
102 | #define NUM_LINES_4CIFS_NTSC 240 | |
103 | #define NUM_LINES_2CIFS_NTSC 240 | |
104 | #define NUM_LINES_1CIFS_NTSC 240 | |
105 | #define NUM_LINES_4CIFS_PAL 288 | |
106 | #define NUM_LINES_2CIFS_PAL 288 | |
107 | #define NUM_LINES_1CIFS_PAL 288 | |
108 | #define LINE_SZ_DEF 640 | |
109 | #define NUM_LINES_DEF 240 | |
110 | ||
111 | ||
112 | /* predefined settings */ | |
113 | #define FORMAT_NTSC 1 | |
114 | #define FORMAT_PAL 2 | |
115 | ||
116 | #define SCALE_4CIFS 1 /* 640x480(NTSC) or 704x576(PAL) */ | |
117 | #define SCALE_2CIFS 2 /* 640x240(NTSC) or 704x288(PAL) */ | |
118 | #define SCALE_1CIFS 3 /* 320x240(NTSC) or 352x288(PAL) */ | |
7d853532 DA |
119 | /* SCALE_4CIFSI is the 2 fields interpolated into one */ |
120 | #define SCALE_4CIFSI 4 /* 640x480(NTSC) or 704x576(PAL) high quality */ | |
38f993ad DA |
121 | |
122 | #define COLOR_YUVPL 1 /* YUV planar */ | |
123 | #define COLOR_YUVPK 2 /* YUV packed */ | |
124 | #define COLOR_Y8 4 /* monochrome */ | |
14d96260 | 125 | #define COLOR_JPG 5 /* JPEG */ |
38f993ad | 126 | |
5a34d9df DA |
127 | #define MASK_COLOR 0x000000ff |
128 | #define MASK_JPG_QUALITY 0x0000ff00 | |
129 | #define MASK_INPUT_TYPE 0x000f0000 | |
38f993ad DA |
130 | /* frame decimation. Not implemented by V4L yet(experimental in V4L) */ |
131 | #define FDEC_1 1 /* capture every frame. default */ | |
132 | #define FDEC_2 2 /* capture every 2nd frame */ | |
133 | #define FDEC_3 3 /* capture every 3rd frame */ | |
134 | #define FDEC_5 5 /* capture every 5th frame */ | |
135 | ||
136 | /*------------------------------------------------------- | |
137 | * Default mode parameters. | |
138 | *-------------------------------------------------------*/ | |
139 | #define DEF_SCALE SCALE_4CIFS | |
140 | #define DEF_COLOR COLOR_YUVPL | |
141 | #define DEF_FDEC FDEC_1 | |
142 | #define DEF_BRIGHT 0 | |
143 | #define DEF_CONTRAST 0x5c | |
144 | #define DEF_SATURATION 0x80 | |
145 | #define DEF_HUE 0 | |
146 | ||
147 | /* usb config commands */ | |
3fa00605 DA |
148 | #define IN_DATA_TOKEN cpu_to_le32(0x2255c0de) |
149 | #define CMD_2255 cpu_to_le32(0xc2255000) | |
150 | #define CMD_SET_MODE cpu_to_le32((CMD_2255 | 0x10)) | |
151 | #define CMD_START cpu_to_le32((CMD_2255 | 0x20)) | |
152 | #define CMD_STOP cpu_to_le32((CMD_2255 | 0x30)) | |
153 | #define CMD_STATUS cpu_to_le32((CMD_2255 | 0x40)) | |
38f993ad DA |
154 | |
155 | struct s2255_mode { | |
156 | u32 format; /* input video format (NTSC, PAL) */ | |
157 | u32 scale; /* output video scale */ | |
158 | u32 color; /* output video color format */ | |
159 | u32 fdec; /* frame decimation */ | |
160 | u32 bright; /* brightness */ | |
161 | u32 contrast; /* contrast */ | |
162 | u32 saturation; /* saturation */ | |
163 | u32 hue; /* hue (NTSC only)*/ | |
164 | u32 single; /* capture 1 frame at a time (!=0), continuously (==0)*/ | |
165 | u32 usb_block; /* block size. should be 4096 of DEF_USB_BLOCK */ | |
166 | u32 restart; /* if DSP requires restart */ | |
167 | }; | |
168 | ||
38f993ad | 169 | |
14d96260 DA |
170 | #define S2255_READ_IDLE 0 |
171 | #define S2255_READ_FRAME 1 | |
38f993ad | 172 | |
14d96260 | 173 | /* frame structure */ |
38f993ad DA |
174 | struct s2255_framei { |
175 | unsigned long size; | |
14d96260 | 176 | unsigned long ulState; /* ulState:S2255_READ_IDLE, S2255_READ_FRAME*/ |
38f993ad DA |
177 | void *lpvbits; /* image data */ |
178 | unsigned long cur_size; /* current data copied to it */ | |
179 | }; | |
180 | ||
181 | /* image buffer structure */ | |
182 | struct s2255_bufferi { | |
183 | unsigned long dwFrames; /* number of frames in buffer */ | |
184 | struct s2255_framei frame[SYS_FRAMES]; /* array of FRAME structures */ | |
185 | }; | |
186 | ||
187 | #define DEF_MODEI_NTSC_CONT {FORMAT_NTSC, DEF_SCALE, DEF_COLOR, \ | |
188 | DEF_FDEC, DEF_BRIGHT, DEF_CONTRAST, DEF_SATURATION, \ | |
3f8d6f73 | 189 | DEF_HUE, 0, DEF_USB_BLOCK, 0} |
38f993ad DA |
190 | |
191 | struct s2255_dmaqueue { | |
192 | struct list_head active; | |
38f993ad | 193 | struct s2255_dev *dev; |
38f993ad DA |
194 | }; |
195 | ||
196 | /* for firmware loading, fw_state */ | |
197 | #define S2255_FW_NOTLOADED 0 | |
198 | #define S2255_FW_LOADED_DSPWAIT 1 | |
199 | #define S2255_FW_SUCCESS 2 | |
200 | #define S2255_FW_FAILED 3 | |
f78d92c9 | 201 | #define S2255_FW_DISCONNECTING 4 |
deaf53e3 | 202 | #define S2255_FW_MARKER cpu_to_le32(0x22552f2f) |
14d96260 DA |
203 | /* 2255 read states */ |
204 | #define S2255_READ_IDLE 0 | |
205 | #define S2255_READ_FRAME 1 | |
38f993ad DA |
206 | struct s2255_fw { |
207 | int fw_loaded; | |
208 | int fw_size; | |
209 | struct urb *fw_urb; | |
210 | atomic_t fw_state; | |
211 | void *pfw_data; | |
212 | wait_queue_head_t wait_fw; | |
38f993ad DA |
213 | const struct firmware *fw; |
214 | }; | |
215 | ||
216 | struct s2255_pipeinfo { | |
217 | u32 max_transfer_size; | |
218 | u32 cur_transfer_size; | |
219 | u8 *transfer_buffer; | |
38f993ad | 220 | u32 state; |
38f993ad DA |
221 | void *stream_urb; |
222 | void *dev; /* back pointer to s2255_dev struct*/ | |
223 | u32 err_count; | |
38f993ad | 224 | u32 idx; |
38f993ad DA |
225 | }; |
226 | ||
227 | struct s2255_fmt; /*forward declaration */ | |
fe85ce90 DA |
228 | struct s2255_dev; |
229 | ||
230 | struct s2255_channel { | |
231 | struct video_device vdev; | |
232 | int resources; | |
233 | struct s2255_dmaqueue vidq; | |
234 | struct s2255_bufferi buffer; | |
235 | struct s2255_mode mode; | |
236 | /* jpeg compression */ | |
237 | struct v4l2_jpegcompression jc; | |
238 | /* capture parameters (for high quality mode full size) */ | |
239 | struct v4l2_captureparm cap_parm; | |
240 | int cur_frame; | |
241 | int last_frame; | |
242 | ||
243 | int b_acquire; | |
244 | /* allocated image size */ | |
245 | unsigned long req_image_size; | |
246 | /* received packet size */ | |
247 | unsigned long pkt_size; | |
248 | int bad_payload; | |
249 | unsigned long frame_count; | |
250 | /* if JPEG image */ | |
251 | int jpg_size; | |
252 | /* if channel configured to default state */ | |
253 | int configured; | |
254 | wait_queue_head_t wait_setmode; | |
255 | int setmode_ready; | |
256 | /* video status items */ | |
257 | int vidstatus; | |
258 | wait_queue_head_t wait_vidstatus; | |
259 | int vidstatus_ready; | |
260 | unsigned int width; | |
261 | unsigned int height; | |
262 | const struct s2255_fmt *fmt; | |
263 | int idx; /* channel number on device, 0-3 */ | |
264 | }; | |
265 | ||
38f993ad DA |
266 | |
267 | struct s2255_dev { | |
fe85ce90 | 268 | struct s2255_channel channel[MAX_CHANNELS]; |
65c6edb3 | 269 | struct v4l2_device v4l2_dev; |
fe85ce90 | 270 | atomic_t num_channels; |
38f993ad | 271 | int frames; |
38f993ad DA |
272 | struct mutex lock; |
273 | struct mutex open_lock; | |
38f993ad DA |
274 | struct usb_device *udev; |
275 | struct usb_interface *interface; | |
276 | u8 read_endpoint; | |
38f993ad DA |
277 | struct timer_list timer; |
278 | struct s2255_fw *fw_data; | |
ab85c6a3 | 279 | struct s2255_pipeinfo pipe; |
38f993ad | 280 | u32 cc; /* current channel */ |
38f993ad | 281 | int frame_ready; |
14d96260 | 282 | int chn_ready; |
38f993ad | 283 | spinlock_t slock; |
4de39f5d DA |
284 | /* dsp firmware version (f2255usb.bin) */ |
285 | int dsp_fw_ver; | |
5a34d9df | 286 | u16 pid; /* product id */ |
38f993ad | 287 | }; |
65c6edb3 | 288 | |
65c6edb3 DA |
289 | static inline struct s2255_dev *to_s2255_dev(struct v4l2_device *v4l2_dev) |
290 | { | |
291 | return container_of(v4l2_dev, struct s2255_dev, v4l2_dev); | |
292 | } | |
38f993ad DA |
293 | |
294 | struct s2255_fmt { | |
295 | char *name; | |
296 | u32 fourcc; | |
297 | int depth; | |
298 | }; | |
299 | ||
300 | /* buffer for one video frame */ | |
301 | struct s2255_buffer { | |
302 | /* common v4l buffer stuff -- must be first */ | |
303 | struct videobuf_buffer vb; | |
304 | const struct s2255_fmt *fmt; | |
305 | }; | |
306 | ||
307 | struct s2255_fh { | |
308 | struct s2255_dev *dev; | |
38f993ad DA |
309 | struct videobuf_queue vb_vidq; |
310 | enum v4l2_buf_type type; | |
fe85ce90 DA |
311 | struct s2255_channel *channel; |
312 | int resources; | |
38f993ad DA |
313 | }; |
314 | ||
abce21f4 DA |
315 | /* current cypress EEPROM firmware version */ |
316 | #define S2255_CUR_USB_FWVER ((3 << 8) | 6) | |
4de39f5d | 317 | /* current DSP FW version */ |
5a34d9df | 318 | #define S2255_CUR_DSP_FWVER 8 |
4de39f5d | 319 | /* Need DSP version 5+ for video status feature */ |
5a34d9df DA |
320 | #define S2255_MIN_DSP_STATUS 5 |
321 | #define S2255_MIN_DSP_COLORFILTER 8 | |
38f993ad | 322 | #define S2255_NORMS (V4L2_STD_PAL | V4L2_STD_NTSC) |
5a34d9df DA |
323 | |
324 | /* private V4L2 controls */ | |
325 | ||
326 | /* | |
327 | * The following chart displays how COLORFILTER should be set | |
328 | * ========================================================= | |
329 | * = fourcc = COLORFILTER = | |
330 | * = =============================== | |
331 | * = = 0 = 1 = | |
332 | * ========================================================= | |
333 | * = V4L2_PIX_FMT_GREY(Y8) = monochrome from = monochrome= | |
334 | * = = s-video or = composite = | |
335 | * = = B/W camera = input = | |
336 | * ========================================================= | |
337 | * = other = color, svideo = color, = | |
338 | * = = = composite = | |
339 | * ========================================================= | |
340 | * | |
341 | * Notes: | |
342 | * channels 0-3 on 2255 are composite | |
343 | * channels 0-1 on 2257 are composite, 2-3 are s-video | |
344 | * If COLORFILTER is 0 with a composite color camera connected, | |
345 | * the output will appear monochrome but hatching | |
346 | * will occur. | |
347 | * COLORFILTER is different from "color killer" and "color effects" | |
348 | * for reasons above. | |
349 | */ | |
350 | #define S2255_V4L2_YC_ON 1 | |
351 | #define S2255_V4L2_YC_OFF 0 | |
352 | #define V4L2_CID_PRIVATE_COLORFILTER (V4L2_CID_PRIVATE_BASE + 0) | |
353 | ||
38f993ad DA |
354 | /* frame prefix size (sent once every frame) */ |
355 | #define PREFIX_SIZE 512 | |
356 | ||
357 | /* Channels on box are in reverse order */ | |
3f8d6f73 | 358 | static unsigned long G_chnmap[MAX_CHANNELS] = {3, 2, 1, 0}; |
38f993ad | 359 | |
38f993ad DA |
360 | static int debug; |
361 | static int *s2255_debug = &debug; | |
362 | ||
363 | static int s2255_start_readpipe(struct s2255_dev *dev); | |
364 | static void s2255_stop_readpipe(struct s2255_dev *dev); | |
fe85ce90 DA |
365 | static int s2255_start_acquire(struct s2255_channel *channel); |
366 | static int s2255_stop_acquire(struct s2255_channel *channel); | |
367 | static void s2255_fillbuff(struct s2255_channel *chn, struct s2255_buffer *buf, | |
368 | int jpgsize); | |
369 | static int s2255_set_mode(struct s2255_channel *chan, struct s2255_mode *mode); | |
38f993ad | 370 | static int s2255_board_shutdown(struct s2255_dev *dev); |
14d96260 | 371 | static void s2255_fwload_start(struct s2255_dev *dev, int reset); |
d62e85a0 | 372 | static void s2255_destroy(struct s2255_dev *dev); |
14d96260 DA |
373 | static long s2255_vendor_req(struct s2255_dev *dev, unsigned char req, |
374 | u16 index, u16 value, void *buf, | |
375 | s32 buf_len, int bOut); | |
38f993ad | 376 | |
be9ed511 MCC |
377 | /* dev_err macro with driver name */ |
378 | #define S2255_DRIVER_NAME "s2255" | |
379 | #define s2255_dev_err(dev, fmt, arg...) \ | |
380 | dev_err(dev, S2255_DRIVER_NAME " - " fmt, ##arg) | |
381 | ||
38f993ad DA |
382 | #define dprintk(level, fmt, arg...) \ |
383 | do { \ | |
384 | if (*s2255_debug >= (level)) { \ | |
be9ed511 MCC |
385 | printk(KERN_DEBUG S2255_DRIVER_NAME \ |
386 | ": " fmt, ##arg); \ | |
38f993ad DA |
387 | } \ |
388 | } while (0) | |
389 | ||
38f993ad DA |
390 | static struct usb_driver s2255_driver; |
391 | ||
38f993ad DA |
392 | /* Declare static vars that will be used as parameters */ |
393 | static unsigned int vid_limit = 16; /* Video memory limit, in Mb */ | |
394 | ||
395 | /* start video number */ | |
396 | static int video_nr = -1; /* /dev/videoN, -1 for autodetect */ | |
397 | ||
3f8d6f73 | 398 | module_param(debug, int, 0644); |
38f993ad | 399 | MODULE_PARM_DESC(debug, "Debug level(0-100) default 0"); |
3f8d6f73 | 400 | module_param(vid_limit, int, 0644); |
38f993ad | 401 | MODULE_PARM_DESC(vid_limit, "video memory limit(Mb)"); |
3f8d6f73 | 402 | module_param(video_nr, int, 0644); |
38f993ad DA |
403 | MODULE_PARM_DESC(video_nr, "start video minor(-1 default autodetect)"); |
404 | ||
405 | /* USB device table */ | |
5a34d9df | 406 | #define USB_SENSORAY_VID 0x1943 |
38f993ad | 407 | static struct usb_device_id s2255_table[] = { |
5a34d9df DA |
408 | {USB_DEVICE(USB_SENSORAY_VID, 0x2255)}, |
409 | {USB_DEVICE(USB_SENSORAY_VID, 0x2257)}, /*same family as 2255*/ | |
38f993ad DA |
410 | { } /* Terminating entry */ |
411 | }; | |
412 | MODULE_DEVICE_TABLE(usb, s2255_table); | |
413 | ||
38f993ad DA |
414 | #define BUFFER_TIMEOUT msecs_to_jiffies(400) |
415 | ||
38f993ad DA |
416 | /* image formats. */ |
417 | static const struct s2255_fmt formats[] = { | |
418 | { | |
419 | .name = "4:2:2, planar, YUV422P", | |
420 | .fourcc = V4L2_PIX_FMT_YUV422P, | |
421 | .depth = 16 | |
422 | ||
423 | }, { | |
424 | .name = "4:2:2, packed, YUYV", | |
425 | .fourcc = V4L2_PIX_FMT_YUYV, | |
426 | .depth = 16 | |
427 | ||
428 | }, { | |
429 | .name = "4:2:2, packed, UYVY", | |
430 | .fourcc = V4L2_PIX_FMT_UYVY, | |
431 | .depth = 16 | |
14d96260 DA |
432 | }, { |
433 | .name = "JPG", | |
434 | .fourcc = V4L2_PIX_FMT_JPEG, | |
435 | .depth = 24 | |
38f993ad DA |
436 | }, { |
437 | .name = "8bpp GREY", | |
438 | .fourcc = V4L2_PIX_FMT_GREY, | |
439 | .depth = 8 | |
440 | } | |
441 | }; | |
442 | ||
443 | static int norm_maxw(struct video_device *vdev) | |
444 | { | |
445 | return (vdev->current_norm & V4L2_STD_NTSC) ? | |
446 | LINE_SZ_4CIFS_NTSC : LINE_SZ_4CIFS_PAL; | |
447 | } | |
448 | ||
449 | static int norm_maxh(struct video_device *vdev) | |
450 | { | |
451 | return (vdev->current_norm & V4L2_STD_NTSC) ? | |
452 | (NUM_LINES_1CIFS_NTSC * 2) : (NUM_LINES_1CIFS_PAL * 2); | |
453 | } | |
454 | ||
455 | static int norm_minw(struct video_device *vdev) | |
456 | { | |
457 | return (vdev->current_norm & V4L2_STD_NTSC) ? | |
458 | LINE_SZ_1CIFS_NTSC : LINE_SZ_1CIFS_PAL; | |
459 | } | |
460 | ||
461 | static int norm_minh(struct video_device *vdev) | |
462 | { | |
463 | return (vdev->current_norm & V4L2_STD_NTSC) ? | |
464 | (NUM_LINES_1CIFS_NTSC) : (NUM_LINES_1CIFS_PAL); | |
465 | } | |
466 | ||
467 | ||
3f8d6f73 DA |
468 | /* |
469 | * TODO: fixme: move YUV reordering to hardware | |
470 | * converts 2255 planar format to yuyv or uyvy | |
471 | */ | |
38f993ad DA |
472 | static void planar422p_to_yuv_packed(const unsigned char *in, |
473 | unsigned char *out, | |
474 | int width, int height, | |
475 | int fmt) | |
476 | { | |
477 | unsigned char *pY; | |
478 | unsigned char *pCb; | |
479 | unsigned char *pCr; | |
480 | unsigned long size = height * width; | |
481 | unsigned int i; | |
482 | pY = (unsigned char *)in; | |
483 | pCr = (unsigned char *)in + height * width; | |
484 | pCb = (unsigned char *)in + height * width + (height * width / 2); | |
485 | for (i = 0; i < size * 2; i += 4) { | |
486 | out[i] = (fmt == V4L2_PIX_FMT_YUYV) ? *pY++ : *pCr++; | |
487 | out[i + 1] = (fmt == V4L2_PIX_FMT_YUYV) ? *pCr++ : *pY++; | |
488 | out[i + 2] = (fmt == V4L2_PIX_FMT_YUYV) ? *pY++ : *pCb++; | |
489 | out[i + 3] = (fmt == V4L2_PIX_FMT_YUYV) ? *pCb++ : *pY++; | |
490 | } | |
491 | return; | |
492 | } | |
493 | ||
d45b9b8a | 494 | static void s2255_reset_dsppower(struct s2255_dev *dev) |
14d96260 DA |
495 | { |
496 | s2255_vendor_req(dev, 0x40, 0x0b0b, 0x0b0b, NULL, 0, 1); | |
497 | msleep(10); | |
498 | s2255_vendor_req(dev, 0x50, 0x0000, 0x0000, NULL, 0, 1); | |
499 | return; | |
500 | } | |
38f993ad DA |
501 | |
502 | /* kickstarts the firmware loading. from probe | |
503 | */ | |
504 | static void s2255_timer(unsigned long user_data) | |
505 | { | |
506 | struct s2255_fw *data = (struct s2255_fw *)user_data; | |
85b85482 | 507 | dprintk(100, "%s\n", __func__); |
38f993ad DA |
508 | if (usb_submit_urb(data->fw_urb, GFP_ATOMIC) < 0) { |
509 | printk(KERN_ERR "s2255: can't submit urb\n"); | |
f78d92c9 DA |
510 | atomic_set(&data->fw_state, S2255_FW_FAILED); |
511 | /* wake up anything waiting for the firmware */ | |
512 | wake_up(&data->wait_fw); | |
38f993ad DA |
513 | return; |
514 | } | |
515 | } | |
516 | ||
38f993ad DA |
517 | |
518 | /* this loads the firmware asynchronously. | |
519 | Originally this was done synchroously in probe. | |
520 | But it is better to load it asynchronously here than block | |
521 | inside the probe function. Blocking inside probe affects boot time. | |
522 | FW loading is triggered by the timer in the probe function | |
523 | */ | |
524 | static void s2255_fwchunk_complete(struct urb *urb) | |
525 | { | |
526 | struct s2255_fw *data = urb->context; | |
527 | struct usb_device *udev = urb->dev; | |
528 | int len; | |
85b85482 | 529 | dprintk(100, "%s: udev %p urb %p", __func__, udev, urb); |
38f993ad | 530 | if (urb->status) { |
be9ed511 | 531 | dev_err(&udev->dev, "URB failed with status %d\n", urb->status); |
f78d92c9 DA |
532 | atomic_set(&data->fw_state, S2255_FW_FAILED); |
533 | /* wake up anything waiting for the firmware */ | |
534 | wake_up(&data->wait_fw); | |
38f993ad DA |
535 | return; |
536 | } | |
537 | if (data->fw_urb == NULL) { | |
be9ed511 | 538 | s2255_dev_err(&udev->dev, "disconnected\n"); |
f78d92c9 DA |
539 | atomic_set(&data->fw_state, S2255_FW_FAILED); |
540 | /* wake up anything waiting for the firmware */ | |
541 | wake_up(&data->wait_fw); | |
38f993ad DA |
542 | return; |
543 | } | |
544 | #define CHUNK_SIZE 512 | |
545 | /* all USB transfers must be done with continuous kernel memory. | |
546 | can't allocate more than 128k in current linux kernel, so | |
547 | upload the firmware in chunks | |
548 | */ | |
549 | if (data->fw_loaded < data->fw_size) { | |
550 | len = (data->fw_loaded + CHUNK_SIZE) > data->fw_size ? | |
551 | data->fw_size % CHUNK_SIZE : CHUNK_SIZE; | |
552 | ||
553 | if (len < CHUNK_SIZE) | |
554 | memset(data->pfw_data, 0, CHUNK_SIZE); | |
555 | ||
556 | dprintk(100, "completed len %d, loaded %d \n", len, | |
557 | data->fw_loaded); | |
558 | ||
559 | memcpy(data->pfw_data, | |
560 | (char *) data->fw->data + data->fw_loaded, len); | |
561 | ||
562 | usb_fill_bulk_urb(data->fw_urb, udev, usb_sndbulkpipe(udev, 2), | |
563 | data->pfw_data, CHUNK_SIZE, | |
564 | s2255_fwchunk_complete, data); | |
565 | if (usb_submit_urb(data->fw_urb, GFP_ATOMIC) < 0) { | |
566 | dev_err(&udev->dev, "failed submit URB\n"); | |
567 | atomic_set(&data->fw_state, S2255_FW_FAILED); | |
568 | /* wake up anything waiting for the firmware */ | |
569 | wake_up(&data->wait_fw); | |
570 | return; | |
571 | } | |
572 | data->fw_loaded += len; | |
573 | } else { | |
38f993ad | 574 | atomic_set(&data->fw_state, S2255_FW_LOADED_DSPWAIT); |
85b85482 | 575 | dprintk(100, "%s: firmware upload complete\n", __func__); |
38f993ad | 576 | } |
38f993ad DA |
577 | return; |
578 | ||
579 | } | |
580 | ||
fe85ce90 | 581 | static int s2255_got_frame(struct s2255_channel *channel, int jpgsize) |
38f993ad | 582 | { |
fe85ce90 | 583 | struct s2255_dmaqueue *dma_q = &channel->vidq; |
38f993ad | 584 | struct s2255_buffer *buf; |
fe85ce90 | 585 | struct s2255_dev *dev = to_s2255_dev(channel->vdev.v4l2_dev); |
38f993ad DA |
586 | unsigned long flags = 0; |
587 | int rc = 0; | |
38f993ad | 588 | spin_lock_irqsave(&dev->slock, flags); |
38f993ad DA |
589 | if (list_empty(&dma_q->active)) { |
590 | dprintk(1, "No active queue to serve\n"); | |
591 | rc = -1; | |
592 | goto unlock; | |
593 | } | |
594 | buf = list_entry(dma_q->active.next, | |
595 | struct s2255_buffer, vb.queue); | |
38f993ad DA |
596 | list_del(&buf->vb.queue); |
597 | do_gettimeofday(&buf->vb.ts); | |
fe85ce90 | 598 | s2255_fillbuff(channel, buf, jpgsize); |
38f993ad | 599 | wake_up(&buf->vb.done); |
85b85482 | 600 | dprintk(2, "%s: [buf/i] [%p/%d]\n", __func__, buf, buf->vb.i); |
38f993ad DA |
601 | unlock: |
602 | spin_unlock_irqrestore(&dev->slock, flags); | |
f2770979 | 603 | return rc; |
38f993ad DA |
604 | } |
605 | ||
38f993ad DA |
606 | static const struct s2255_fmt *format_by_fourcc(int fourcc) |
607 | { | |
608 | unsigned int i; | |
38f993ad DA |
609 | for (i = 0; i < ARRAY_SIZE(formats); i++) { |
610 | if (-1 == formats[i].fourcc) | |
611 | continue; | |
612 | if (formats[i].fourcc == fourcc) | |
613 | return formats + i; | |
614 | } | |
615 | return NULL; | |
616 | } | |
617 | ||
38f993ad DA |
618 | /* video buffer vmalloc implementation based partly on VIVI driver which is |
619 | * Copyright (c) 2006 by | |
620 | * Mauro Carvalho Chehab <mchehab--a.t--infradead.org> | |
621 | * Ted Walther <ted--a.t--enumera.com> | |
622 | * John Sokol <sokol--a.t--videotechnology.com> | |
623 | * http://v4l.videotechnology.com/ | |
624 | * | |
625 | */ | |
fe85ce90 DA |
626 | static void s2255_fillbuff(struct s2255_channel *channel, |
627 | struct s2255_buffer *buf, int jpgsize) | |
38f993ad DA |
628 | { |
629 | int pos = 0; | |
630 | struct timeval ts; | |
631 | const char *tmpbuf; | |
632 | char *vbuf = videobuf_to_vmalloc(&buf->vb); | |
633 | unsigned long last_frame; | |
634 | struct s2255_framei *frm; | |
635 | ||
636 | if (!vbuf) | |
637 | return; | |
fe85ce90 | 638 | last_frame = channel->last_frame; |
38f993ad | 639 | if (last_frame != -1) { |
fe85ce90 | 640 | frm = &channel->buffer.frame[last_frame]; |
38f993ad | 641 | tmpbuf = |
fe85ce90 | 642 | (const char *)channel->buffer.frame[last_frame].lpvbits; |
38f993ad DA |
643 | switch (buf->fmt->fourcc) { |
644 | case V4L2_PIX_FMT_YUYV: | |
645 | case V4L2_PIX_FMT_UYVY: | |
646 | planar422p_to_yuv_packed((const unsigned char *)tmpbuf, | |
647 | vbuf, buf->vb.width, | |
648 | buf->vb.height, | |
649 | buf->fmt->fourcc); | |
650 | break; | |
651 | case V4L2_PIX_FMT_GREY: | |
652 | memcpy(vbuf, tmpbuf, buf->vb.width * buf->vb.height); | |
653 | break; | |
14d96260 DA |
654 | case V4L2_PIX_FMT_JPEG: |
655 | buf->vb.size = jpgsize; | |
656 | memcpy(vbuf, tmpbuf, buf->vb.size); | |
657 | break; | |
38f993ad DA |
658 | case V4L2_PIX_FMT_YUV422P: |
659 | memcpy(vbuf, tmpbuf, | |
660 | buf->vb.width * buf->vb.height * 2); | |
661 | break; | |
662 | default: | |
663 | printk(KERN_DEBUG "s2255: unknown format?\n"); | |
664 | } | |
fe85ce90 | 665 | channel->last_frame = -1; |
38f993ad DA |
666 | } else { |
667 | printk(KERN_ERR "s2255: =======no frame\n"); | |
668 | return; | |
669 | ||
670 | } | |
671 | dprintk(2, "s2255fill at : Buffer 0x%08lx size= %d\n", | |
672 | (unsigned long)vbuf, pos); | |
673 | /* tell v4l buffer was filled */ | |
674 | ||
fe85ce90 | 675 | buf->vb.field_count = channel->frame_count * 2; |
38f993ad DA |
676 | do_gettimeofday(&ts); |
677 | buf->vb.ts = ts; | |
678 | buf->vb.state = VIDEOBUF_DONE; | |
679 | } | |
680 | ||
681 | ||
682 | /* ------------------------------------------------------------------ | |
683 | Videobuf operations | |
684 | ------------------------------------------------------------------*/ | |
685 | ||
686 | static int buffer_setup(struct videobuf_queue *vq, unsigned int *count, | |
687 | unsigned int *size) | |
688 | { | |
689 | struct s2255_fh *fh = vq->priv_data; | |
fe85ce90 DA |
690 | struct s2255_channel *channel = fh->channel; |
691 | *size = channel->width * channel->height * (channel->fmt->depth >> 3); | |
38f993ad DA |
692 | |
693 | if (0 == *count) | |
694 | *count = S2255_DEF_BUFS; | |
695 | ||
dab7e310 AB |
696 | if (*size * *count > vid_limit * 1024 * 1024) |
697 | *count = (vid_limit * 1024 * 1024) / *size; | |
38f993ad DA |
698 | |
699 | return 0; | |
700 | } | |
701 | ||
702 | static void free_buffer(struct videobuf_queue *vq, struct s2255_buffer *buf) | |
703 | { | |
704 | dprintk(4, "%s\n", __func__); | |
705 | ||
38f993ad DA |
706 | videobuf_vmalloc_free(&buf->vb); |
707 | buf->vb.state = VIDEOBUF_NEEDS_INIT; | |
708 | } | |
709 | ||
710 | static int buffer_prepare(struct videobuf_queue *vq, struct videobuf_buffer *vb, | |
711 | enum v4l2_field field) | |
712 | { | |
713 | struct s2255_fh *fh = vq->priv_data; | |
fe85ce90 | 714 | struct s2255_channel *channel = fh->channel; |
38f993ad DA |
715 | struct s2255_buffer *buf = container_of(vb, struct s2255_buffer, vb); |
716 | int rc; | |
fe85ce90 DA |
717 | int w = channel->width; |
718 | int h = channel->height; | |
38f993ad | 719 | dprintk(4, "%s, field=%d\n", __func__, field); |
fe85ce90 | 720 | if (channel->fmt == NULL) |
38f993ad DA |
721 | return -EINVAL; |
722 | ||
fe85ce90 DA |
723 | if ((w < norm_minw(&channel->vdev)) || |
724 | (w > norm_maxw(&channel->vdev)) || | |
725 | (h < norm_minh(&channel->vdev)) || | |
726 | (h > norm_maxh(&channel->vdev))) { | |
38f993ad DA |
727 | dprintk(4, "invalid buffer prepare\n"); |
728 | return -EINVAL; | |
729 | } | |
fe85ce90 | 730 | buf->vb.size = w * h * (channel->fmt->depth >> 3); |
38f993ad DA |
731 | if (0 != buf->vb.baddr && buf->vb.bsize < buf->vb.size) { |
732 | dprintk(4, "invalid buffer prepare\n"); | |
733 | return -EINVAL; | |
734 | } | |
735 | ||
fe85ce90 DA |
736 | buf->fmt = channel->fmt; |
737 | buf->vb.width = w; | |
738 | buf->vb.height = h; | |
38f993ad DA |
739 | buf->vb.field = field; |
740 | ||
38f993ad DA |
741 | if (VIDEOBUF_NEEDS_INIT == buf->vb.state) { |
742 | rc = videobuf_iolock(vq, &buf->vb, NULL); | |
743 | if (rc < 0) | |
744 | goto fail; | |
745 | } | |
746 | ||
747 | buf->vb.state = VIDEOBUF_PREPARED; | |
748 | return 0; | |
749 | fail: | |
750 | free_buffer(vq, buf); | |
751 | return rc; | |
752 | } | |
753 | ||
754 | static void buffer_queue(struct videobuf_queue *vq, struct videobuf_buffer *vb) | |
755 | { | |
756 | struct s2255_buffer *buf = container_of(vb, struct s2255_buffer, vb); | |
757 | struct s2255_fh *fh = vq->priv_data; | |
fe85ce90 DA |
758 | struct s2255_channel *channel = fh->channel; |
759 | struct s2255_dmaqueue *vidq = &channel->vidq; | |
38f993ad | 760 | dprintk(1, "%s\n", __func__); |
38f993ad DA |
761 | buf->vb.state = VIDEOBUF_QUEUED; |
762 | list_add_tail(&buf->vb.queue, &vidq->active); | |
763 | } | |
764 | ||
765 | static void buffer_release(struct videobuf_queue *vq, | |
766 | struct videobuf_buffer *vb) | |
767 | { | |
768 | struct s2255_buffer *buf = container_of(vb, struct s2255_buffer, vb); | |
769 | struct s2255_fh *fh = vq->priv_data; | |
fe85ce90 | 770 | dprintk(4, "%s %d\n", __func__, fh->channel->idx); |
38f993ad DA |
771 | free_buffer(vq, buf); |
772 | } | |
773 | ||
774 | static struct videobuf_queue_ops s2255_video_qops = { | |
775 | .buf_setup = buffer_setup, | |
776 | .buf_prepare = buffer_prepare, | |
777 | .buf_queue = buffer_queue, | |
778 | .buf_release = buffer_release, | |
779 | }; | |
780 | ||
781 | ||
fe85ce90 | 782 | static int res_get(struct s2255_fh *fh) |
38f993ad | 783 | { |
fe85ce90 | 784 | struct s2255_dev *dev = fh->dev; |
38f993ad | 785 | /* is it free? */ |
fe85ce90 | 786 | struct s2255_channel *channel = fh->channel; |
38f993ad | 787 | mutex_lock(&dev->lock); |
fe85ce90 | 788 | if (channel->resources) { |
38f993ad DA |
789 | /* no, someone else uses it */ |
790 | mutex_unlock(&dev->lock); | |
791 | return 0; | |
792 | } | |
793 | /* it's free, grab it */ | |
fe85ce90 DA |
794 | channel->resources = 1; |
795 | fh->resources = 1; | |
f78d92c9 | 796 | dprintk(1, "s2255: res: get\n"); |
38f993ad DA |
797 | mutex_unlock(&dev->lock); |
798 | return 1; | |
799 | } | |
800 | ||
fe85ce90 | 801 | static int res_locked(struct s2255_fh *fh) |
38f993ad | 802 | { |
fe85ce90 | 803 | return fh->channel->resources; |
38f993ad DA |
804 | } |
805 | ||
f78d92c9 DA |
806 | static int res_check(struct s2255_fh *fh) |
807 | { | |
fe85ce90 | 808 | return fh->resources; |
f78d92c9 DA |
809 | } |
810 | ||
811 | ||
fe85ce90 | 812 | static void res_free(struct s2255_fh *fh) |
38f993ad | 813 | { |
fe85ce90 DA |
814 | struct s2255_channel *channel = fh->channel; |
815 | struct s2255_dev *dev = fh->dev; | |
f78d92c9 | 816 | mutex_lock(&dev->lock); |
fe85ce90 DA |
817 | channel->resources = 0; |
818 | fh->resources = 0; | |
f78d92c9 | 819 | mutex_unlock(&dev->lock); |
38f993ad DA |
820 | dprintk(1, "res: put\n"); |
821 | } | |
822 | ||
5a34d9df DA |
823 | static int vidioc_querymenu(struct file *file, void *priv, |
824 | struct v4l2_querymenu *qmenu) | |
825 | { | |
826 | static const char *colorfilter[] = { | |
827 | "Off", | |
828 | "On", | |
829 | NULL | |
830 | }; | |
831 | if (qmenu->id == V4L2_CID_PRIVATE_COLORFILTER) { | |
832 | int i; | |
833 | const char **menu_items = colorfilter; | |
834 | for (i = 0; i < qmenu->index && menu_items[i]; i++) | |
835 | ; /* do nothing (from v4l2-common.c) */ | |
836 | if (menu_items[i] == NULL || menu_items[i][0] == '\0') | |
837 | return -EINVAL; | |
838 | strlcpy(qmenu->name, menu_items[qmenu->index], | |
839 | sizeof(qmenu->name)); | |
840 | return 0; | |
841 | } | |
842 | return v4l2_ctrl_query_menu(qmenu, NULL, NULL); | |
843 | } | |
844 | ||
38f993ad DA |
845 | static int vidioc_querycap(struct file *file, void *priv, |
846 | struct v4l2_capability *cap) | |
847 | { | |
848 | struct s2255_fh *fh = file->private_data; | |
849 | struct s2255_dev *dev = fh->dev; | |
850 | strlcpy(cap->driver, "s2255", sizeof(cap->driver)); | |
851 | strlcpy(cap->card, "s2255", sizeof(cap->card)); | |
e22ed887 | 852 | usb_make_path(dev->udev, cap->bus_info, sizeof(cap->bus_info)); |
38f993ad DA |
853 | cap->version = S2255_VERSION; |
854 | cap->capabilities = V4L2_CAP_VIDEO_CAPTURE | V4L2_CAP_STREAMING; | |
855 | return 0; | |
856 | } | |
857 | ||
858 | static int vidioc_enum_fmt_vid_cap(struct file *file, void *priv, | |
859 | struct v4l2_fmtdesc *f) | |
860 | { | |
861 | int index = 0; | |
862 | if (f) | |
863 | index = f->index; | |
864 | ||
865 | if (index >= ARRAY_SIZE(formats)) | |
866 | return -EINVAL; | |
867 | ||
868 | dprintk(4, "name %s\n", formats[index].name); | |
869 | strlcpy(f->description, formats[index].name, sizeof(f->description)); | |
870 | f->pixelformat = formats[index].fourcc; | |
871 | return 0; | |
872 | } | |
873 | ||
874 | static int vidioc_g_fmt_vid_cap(struct file *file, void *priv, | |
875 | struct v4l2_format *f) | |
876 | { | |
877 | struct s2255_fh *fh = priv; | |
fe85ce90 | 878 | struct s2255_channel *channel = fh->channel; |
38f993ad | 879 | |
fe85ce90 DA |
880 | f->fmt.pix.width = channel->width; |
881 | f->fmt.pix.height = channel->height; | |
38f993ad | 882 | f->fmt.pix.field = fh->vb_vidq.field; |
fe85ce90 DA |
883 | f->fmt.pix.pixelformat = channel->fmt->fourcc; |
884 | f->fmt.pix.bytesperline = f->fmt.pix.width * (channel->fmt->depth >> 3); | |
38f993ad | 885 | f->fmt.pix.sizeimage = f->fmt.pix.height * f->fmt.pix.bytesperline; |
3f8d6f73 | 886 | return 0; |
38f993ad DA |
887 | } |
888 | ||
889 | static int vidioc_try_fmt_vid_cap(struct file *file, void *priv, | |
890 | struct v4l2_format *f) | |
891 | { | |
892 | const struct s2255_fmt *fmt; | |
893 | enum v4l2_field field; | |
894 | int b_any_field = 0; | |
895 | struct s2255_fh *fh = priv; | |
fe85ce90 | 896 | struct s2255_channel *channel = fh->channel; |
38f993ad | 897 | int is_ntsc; |
38f993ad | 898 | is_ntsc = |
fe85ce90 | 899 | (channel->vdev.current_norm & V4L2_STD_NTSC) ? 1 : 0; |
38f993ad DA |
900 | |
901 | fmt = format_by_fourcc(f->fmt.pix.pixelformat); | |
902 | ||
903 | if (fmt == NULL) | |
904 | return -EINVAL; | |
905 | ||
906 | field = f->fmt.pix.field; | |
907 | if (field == V4L2_FIELD_ANY) | |
908 | b_any_field = 1; | |
909 | ||
85b85482 DA |
910 | dprintk(50, "%s NTSC: %d suggested width: %d, height: %d\n", |
911 | __func__, is_ntsc, f->fmt.pix.width, f->fmt.pix.height); | |
38f993ad DA |
912 | if (is_ntsc) { |
913 | /* NTSC */ | |
914 | if (f->fmt.pix.height >= NUM_LINES_1CIFS_NTSC * 2) { | |
915 | f->fmt.pix.height = NUM_LINES_1CIFS_NTSC * 2; | |
916 | if (b_any_field) { | |
917 | field = V4L2_FIELD_SEQ_TB; | |
918 | } else if (!((field == V4L2_FIELD_INTERLACED) || | |
919 | (field == V4L2_FIELD_SEQ_TB) || | |
920 | (field == V4L2_FIELD_INTERLACED_TB))) { | |
921 | dprintk(1, "unsupported field setting\n"); | |
922 | return -EINVAL; | |
923 | } | |
924 | } else { | |
925 | f->fmt.pix.height = NUM_LINES_1CIFS_NTSC; | |
926 | if (b_any_field) { | |
927 | field = V4L2_FIELD_TOP; | |
928 | } else if (!((field == V4L2_FIELD_TOP) || | |
929 | (field == V4L2_FIELD_BOTTOM))) { | |
930 | dprintk(1, "unsupported field setting\n"); | |
931 | return -EINVAL; | |
932 | } | |
933 | ||
934 | } | |
935 | if (f->fmt.pix.width >= LINE_SZ_4CIFS_NTSC) | |
936 | f->fmt.pix.width = LINE_SZ_4CIFS_NTSC; | |
937 | else if (f->fmt.pix.width >= LINE_SZ_2CIFS_NTSC) | |
938 | f->fmt.pix.width = LINE_SZ_2CIFS_NTSC; | |
939 | else if (f->fmt.pix.width >= LINE_SZ_1CIFS_NTSC) | |
940 | f->fmt.pix.width = LINE_SZ_1CIFS_NTSC; | |
941 | else | |
942 | f->fmt.pix.width = LINE_SZ_1CIFS_NTSC; | |
943 | } else { | |
944 | /* PAL */ | |
945 | if (f->fmt.pix.height >= NUM_LINES_1CIFS_PAL * 2) { | |
946 | f->fmt.pix.height = NUM_LINES_1CIFS_PAL * 2; | |
947 | if (b_any_field) { | |
948 | field = V4L2_FIELD_SEQ_TB; | |
949 | } else if (!((field == V4L2_FIELD_INTERLACED) || | |
950 | (field == V4L2_FIELD_SEQ_TB) || | |
951 | (field == V4L2_FIELD_INTERLACED_TB))) { | |
952 | dprintk(1, "unsupported field setting\n"); | |
953 | return -EINVAL; | |
954 | } | |
955 | } else { | |
956 | f->fmt.pix.height = NUM_LINES_1CIFS_PAL; | |
957 | if (b_any_field) { | |
958 | field = V4L2_FIELD_TOP; | |
959 | } else if (!((field == V4L2_FIELD_TOP) || | |
960 | (field == V4L2_FIELD_BOTTOM))) { | |
961 | dprintk(1, "unsupported field setting\n"); | |
962 | return -EINVAL; | |
963 | } | |
964 | } | |
965 | if (f->fmt.pix.width >= LINE_SZ_4CIFS_PAL) { | |
38f993ad DA |
966 | f->fmt.pix.width = LINE_SZ_4CIFS_PAL; |
967 | field = V4L2_FIELD_SEQ_TB; | |
968 | } else if (f->fmt.pix.width >= LINE_SZ_2CIFS_PAL) { | |
38f993ad DA |
969 | f->fmt.pix.width = LINE_SZ_2CIFS_PAL; |
970 | field = V4L2_FIELD_TOP; | |
971 | } else if (f->fmt.pix.width >= LINE_SZ_1CIFS_PAL) { | |
38f993ad DA |
972 | f->fmt.pix.width = LINE_SZ_1CIFS_PAL; |
973 | field = V4L2_FIELD_TOP; | |
974 | } else { | |
38f993ad DA |
975 | f->fmt.pix.width = LINE_SZ_1CIFS_PAL; |
976 | field = V4L2_FIELD_TOP; | |
977 | } | |
978 | } | |
38f993ad DA |
979 | f->fmt.pix.field = field; |
980 | f->fmt.pix.bytesperline = (f->fmt.pix.width * fmt->depth) >> 3; | |
981 | f->fmt.pix.sizeimage = f->fmt.pix.height * f->fmt.pix.bytesperline; | |
85b85482 DA |
982 | dprintk(50, "%s: set width %d height %d field %d\n", __func__, |
983 | f->fmt.pix.width, f->fmt.pix.height, f->fmt.pix.field); | |
38f993ad DA |
984 | return 0; |
985 | } | |
986 | ||
987 | static int vidioc_s_fmt_vid_cap(struct file *file, void *priv, | |
988 | struct v4l2_format *f) | |
989 | { | |
990 | struct s2255_fh *fh = priv; | |
fe85ce90 | 991 | struct s2255_channel *channel = fh->channel; |
38f993ad DA |
992 | const struct s2255_fmt *fmt; |
993 | struct videobuf_queue *q = &fh->vb_vidq; | |
fe85ce90 | 994 | struct s2255_mode mode; |
38f993ad DA |
995 | int ret; |
996 | int norm; | |
997 | ||
998 | ret = vidioc_try_fmt_vid_cap(file, fh, f); | |
999 | ||
1000 | if (ret < 0) | |
3f8d6f73 | 1001 | return ret; |
38f993ad DA |
1002 | |
1003 | fmt = format_by_fourcc(f->fmt.pix.pixelformat); | |
1004 | ||
1005 | if (fmt == NULL) | |
1006 | return -EINVAL; | |
1007 | ||
1008 | mutex_lock(&q->vb_lock); | |
1009 | ||
1010 | if (videobuf_queue_is_busy(&fh->vb_vidq)) { | |
1011 | dprintk(1, "queue busy\n"); | |
1012 | ret = -EBUSY; | |
1013 | goto out_s_fmt; | |
1014 | } | |
1015 | ||
fe85ce90 | 1016 | if (res_locked(fh)) { |
85b85482 | 1017 | dprintk(1, "%s: channel busy\n", __func__); |
38f993ad DA |
1018 | ret = -EBUSY; |
1019 | goto out_s_fmt; | |
1020 | } | |
fe85ce90 DA |
1021 | mode = channel->mode; |
1022 | channel->fmt = fmt; | |
1023 | channel->width = f->fmt.pix.width; | |
1024 | channel->height = f->fmt.pix.height; | |
38f993ad DA |
1025 | fh->vb_vidq.field = f->fmt.pix.field; |
1026 | fh->type = f->type; | |
fe85ce90 DA |
1027 | norm = norm_minw(&channel->vdev); |
1028 | if (channel->width > norm_minw(&channel->vdev)) { | |
1029 | if (channel->height > norm_minh(&channel->vdev)) { | |
1030 | if (channel->cap_parm.capturemode & | |
85b85482 | 1031 | V4L2_MODE_HIGHQUALITY) |
fe85ce90 | 1032 | mode.scale = SCALE_4CIFSI; |
85b85482 | 1033 | else |
fe85ce90 | 1034 | mode.scale = SCALE_4CIFS; |
7d853532 | 1035 | } else |
fe85ce90 | 1036 | mode.scale = SCALE_2CIFS; |
38f993ad DA |
1037 | |
1038 | } else { | |
fe85ce90 | 1039 | mode.scale = SCALE_1CIFS; |
38f993ad | 1040 | } |
38f993ad | 1041 | /* color mode */ |
fe85ce90 | 1042 | switch (channel->fmt->fourcc) { |
38f993ad | 1043 | case V4L2_PIX_FMT_GREY: |
fe85ce90 DA |
1044 | mode.color &= ~MASK_COLOR; |
1045 | mode.color |= COLOR_Y8; | |
38f993ad | 1046 | break; |
14d96260 | 1047 | case V4L2_PIX_FMT_JPEG: |
fe85ce90 DA |
1048 | mode.color &= ~MASK_COLOR; |
1049 | mode.color |= COLOR_JPG; | |
1050 | mode.color |= (channel->jc.quality << 8); | |
14d96260 | 1051 | break; |
38f993ad | 1052 | case V4L2_PIX_FMT_YUV422P: |
fe85ce90 DA |
1053 | mode.color &= ~MASK_COLOR; |
1054 | mode.color |= COLOR_YUVPL; | |
38f993ad DA |
1055 | break; |
1056 | case V4L2_PIX_FMT_YUYV: | |
1057 | case V4L2_PIX_FMT_UYVY: | |
1058 | default: | |
fe85ce90 DA |
1059 | mode.color &= ~MASK_COLOR; |
1060 | mode.color |= COLOR_YUVPK; | |
38f993ad DA |
1061 | break; |
1062 | } | |
fe85ce90 DA |
1063 | if ((mode.color & MASK_COLOR) != (channel->mode.color & MASK_COLOR)) |
1064 | mode.restart = 1; | |
1065 | else if (mode.scale != channel->mode.scale) | |
1066 | mode.restart = 1; | |
1067 | else if (mode.format != channel->mode.format) | |
1068 | mode.restart = 1; | |
1069 | channel->mode = mode; | |
1070 | (void) s2255_set_mode(channel, &mode); | |
38f993ad DA |
1071 | ret = 0; |
1072 | out_s_fmt: | |
1073 | mutex_unlock(&q->vb_lock); | |
1074 | return ret; | |
1075 | } | |
1076 | ||
1077 | static int vidioc_reqbufs(struct file *file, void *priv, | |
1078 | struct v4l2_requestbuffers *p) | |
1079 | { | |
1080 | int rc; | |
1081 | struct s2255_fh *fh = priv; | |
1082 | rc = videobuf_reqbufs(&fh->vb_vidq, p); | |
1083 | return rc; | |
1084 | } | |
1085 | ||
1086 | static int vidioc_querybuf(struct file *file, void *priv, struct v4l2_buffer *p) | |
1087 | { | |
1088 | int rc; | |
1089 | struct s2255_fh *fh = priv; | |
1090 | rc = videobuf_querybuf(&fh->vb_vidq, p); | |
1091 | return rc; | |
1092 | } | |
1093 | ||
1094 | static int vidioc_qbuf(struct file *file, void *priv, struct v4l2_buffer *p) | |
1095 | { | |
1096 | int rc; | |
1097 | struct s2255_fh *fh = priv; | |
1098 | rc = videobuf_qbuf(&fh->vb_vidq, p); | |
1099 | return rc; | |
1100 | } | |
1101 | ||
1102 | static int vidioc_dqbuf(struct file *file, void *priv, struct v4l2_buffer *p) | |
1103 | { | |
1104 | int rc; | |
1105 | struct s2255_fh *fh = priv; | |
1106 | rc = videobuf_dqbuf(&fh->vb_vidq, p, file->f_flags & O_NONBLOCK); | |
1107 | return rc; | |
1108 | } | |
1109 | ||
1110 | #ifdef CONFIG_VIDEO_V4L1_COMPAT | |
1111 | static int vidioc_cgmbuf(struct file *file, void *priv, struct video_mbuf *mbuf) | |
1112 | { | |
1113 | struct s2255_fh *fh = priv; | |
1114 | ||
1115 | return videobuf_cgmbuf(&fh->vb_vidq, mbuf, 8); | |
1116 | } | |
1117 | #endif | |
1118 | ||
1119 | /* write to the configuration pipe, synchronously */ | |
1120 | static int s2255_write_config(struct usb_device *udev, unsigned char *pbuf, | |
1121 | int size) | |
1122 | { | |
1123 | int pipe; | |
1124 | int done; | |
1125 | long retval = -1; | |
1126 | if (udev) { | |
1127 | pipe = usb_sndbulkpipe(udev, S2255_CONFIG_EP); | |
1128 | retval = usb_bulk_msg(udev, pipe, pbuf, size, &done, 500); | |
1129 | } | |
1130 | return retval; | |
1131 | } | |
1132 | ||
1133 | static u32 get_transfer_size(struct s2255_mode *mode) | |
1134 | { | |
1135 | int linesPerFrame = LINE_SZ_DEF; | |
1136 | int pixelsPerLine = NUM_LINES_DEF; | |
1137 | u32 outImageSize; | |
1138 | u32 usbInSize; | |
1139 | unsigned int mask_mult; | |
1140 | ||
1141 | if (mode == NULL) | |
1142 | return 0; | |
1143 | ||
1144 | if (mode->format == FORMAT_NTSC) { | |
1145 | switch (mode->scale) { | |
1146 | case SCALE_4CIFS: | |
7d853532 | 1147 | case SCALE_4CIFSI: |
38f993ad DA |
1148 | linesPerFrame = NUM_LINES_4CIFS_NTSC * 2; |
1149 | pixelsPerLine = LINE_SZ_4CIFS_NTSC; | |
1150 | break; | |
1151 | case SCALE_2CIFS: | |
1152 | linesPerFrame = NUM_LINES_2CIFS_NTSC; | |
1153 | pixelsPerLine = LINE_SZ_2CIFS_NTSC; | |
1154 | break; | |
1155 | case SCALE_1CIFS: | |
1156 | linesPerFrame = NUM_LINES_1CIFS_NTSC; | |
1157 | pixelsPerLine = LINE_SZ_1CIFS_NTSC; | |
1158 | break; | |
1159 | default: | |
1160 | break; | |
1161 | } | |
1162 | } else if (mode->format == FORMAT_PAL) { | |
1163 | switch (mode->scale) { | |
1164 | case SCALE_4CIFS: | |
7d853532 | 1165 | case SCALE_4CIFSI: |
38f993ad DA |
1166 | linesPerFrame = NUM_LINES_4CIFS_PAL * 2; |
1167 | pixelsPerLine = LINE_SZ_4CIFS_PAL; | |
1168 | break; | |
1169 | case SCALE_2CIFS: | |
1170 | linesPerFrame = NUM_LINES_2CIFS_PAL; | |
1171 | pixelsPerLine = LINE_SZ_2CIFS_PAL; | |
1172 | break; | |
1173 | case SCALE_1CIFS: | |
1174 | linesPerFrame = NUM_LINES_1CIFS_PAL; | |
1175 | pixelsPerLine = LINE_SZ_1CIFS_PAL; | |
1176 | break; | |
1177 | default: | |
1178 | break; | |
1179 | } | |
1180 | } | |
1181 | outImageSize = linesPerFrame * pixelsPerLine; | |
14d96260 | 1182 | if ((mode->color & MASK_COLOR) != COLOR_Y8) { |
38f993ad DA |
1183 | /* 2 bytes/pixel if not monochrome */ |
1184 | outImageSize *= 2; | |
1185 | } | |
1186 | ||
1187 | /* total bytes to send including prefix and 4K padding; | |
1188 | must be a multiple of USB_READ_SIZE */ | |
1189 | usbInSize = outImageSize + PREFIX_SIZE; /* always send prefix */ | |
1190 | mask_mult = 0xffffffffUL - DEF_USB_BLOCK + 1; | |
1191 | /* if size not a multiple of USB_READ_SIZE */ | |
1192 | if (usbInSize & ~mask_mult) | |
1193 | usbInSize = (usbInSize & mask_mult) + (DEF_USB_BLOCK); | |
1194 | return usbInSize; | |
1195 | } | |
1196 | ||
85b85482 | 1197 | static void s2255_print_cfg(struct s2255_dev *sdev, struct s2255_mode *mode) |
38f993ad DA |
1198 | { |
1199 | struct device *dev = &sdev->udev->dev; | |
1200 | dev_info(dev, "------------------------------------------------\n"); | |
85b85482 DA |
1201 | dev_info(dev, "format: %d\nscale %d\n", mode->format, mode->scale); |
1202 | dev_info(dev, "fdec: %d\ncolor %d\n", mode->fdec, mode->color); | |
38f993ad | 1203 | dev_info(dev, "bright: 0x%x\n", mode->bright); |
38f993ad DA |
1204 | dev_info(dev, "------------------------------------------------\n"); |
1205 | } | |
1206 | ||
1207 | /* | |
1208 | * set mode is the function which controls the DSP. | |
1209 | * the restart parameter in struct s2255_mode should be set whenever | |
1210 | * the image size could change via color format, video system or image | |
1211 | * size. | |
1212 | * When the restart parameter is set, we sleep for ONE frame to allow the | |
1213 | * DSP time to get the new frame | |
1214 | */ | |
fe85ce90 | 1215 | static int s2255_set_mode(struct s2255_channel *channel, |
38f993ad DA |
1216 | struct s2255_mode *mode) |
1217 | { | |
1218 | int res; | |
3fa00605 | 1219 | __le32 *buffer; |
38f993ad | 1220 | unsigned long chn_rev; |
fe85ce90 | 1221 | struct s2255_dev *dev = to_s2255_dev(channel->vdev.v4l2_dev); |
14d96260 | 1222 | mutex_lock(&dev->lock); |
fe85ce90 DA |
1223 | chn_rev = G_chnmap[channel->idx]; |
1224 | dprintk(3, "%s channel: %d\n", __func__, channel->idx); | |
22b88d48 | 1225 | /* if JPEG, set the quality */ |
5a34d9df DA |
1226 | if ((mode->color & MASK_COLOR) == COLOR_JPG) { |
1227 | mode->color &= ~MASK_COLOR; | |
1228 | mode->color |= COLOR_JPG; | |
1229 | mode->color &= ~MASK_JPG_QUALITY; | |
fe85ce90 | 1230 | mode->color |= (channel->jc.quality << 8); |
5a34d9df | 1231 | } |
38f993ad | 1232 | /* save the mode */ |
fe85ce90 DA |
1233 | channel->mode = *mode; |
1234 | channel->req_image_size = get_transfer_size(mode); | |
1235 | dprintk(1, "%s: reqsize %ld\n", __func__, channel->req_image_size); | |
38f993ad DA |
1236 | buffer = kzalloc(512, GFP_KERNEL); |
1237 | if (buffer == NULL) { | |
1238 | dev_err(&dev->udev->dev, "out of mem\n"); | |
14d96260 | 1239 | mutex_unlock(&dev->lock); |
38f993ad DA |
1240 | return -ENOMEM; |
1241 | } | |
38f993ad DA |
1242 | /* set the mode */ |
1243 | buffer[0] = IN_DATA_TOKEN; | |
3fa00605 | 1244 | buffer[1] = (__le32) cpu_to_le32(chn_rev); |
38f993ad | 1245 | buffer[2] = CMD_SET_MODE; |
fe85ce90 DA |
1246 | memcpy(&buffer[3], &channel->mode, sizeof(struct s2255_mode)); |
1247 | channel->setmode_ready = 0; | |
38f993ad DA |
1248 | res = s2255_write_config(dev->udev, (unsigned char *)buffer, 512); |
1249 | if (debug) | |
85b85482 | 1250 | s2255_print_cfg(dev, mode); |
38f993ad | 1251 | kfree(buffer); |
38f993ad | 1252 | /* wait at least 3 frames before continuing */ |
14d96260 | 1253 | if (mode->restart) { |
fe85ce90 DA |
1254 | wait_event_timeout(channel->wait_setmode, |
1255 | (channel->setmode_ready != 0), | |
14d96260 | 1256 | msecs_to_jiffies(S2255_SETMODE_TIMEOUT)); |
fe85ce90 | 1257 | if (channel->setmode_ready != 1) { |
14d96260 DA |
1258 | printk(KERN_DEBUG "s2255: no set mode response\n"); |
1259 | res = -EFAULT; | |
1260 | } | |
1261 | } | |
38f993ad | 1262 | /* clear the restart flag */ |
fe85ce90 | 1263 | channel->mode.restart = 0; |
14d96260 | 1264 | mutex_unlock(&dev->lock); |
fe85ce90 | 1265 | dprintk(1, "%s chn %d, result: %d\n", __func__, channel->idx, res); |
38f993ad DA |
1266 | return res; |
1267 | } | |
1268 | ||
fe85ce90 | 1269 | static int s2255_cmd_status(struct s2255_channel *channel, u32 *pstatus) |
4de39f5d DA |
1270 | { |
1271 | int res; | |
3fa00605 | 1272 | __le32 *buffer; |
4de39f5d | 1273 | u32 chn_rev; |
fe85ce90 | 1274 | struct s2255_dev *dev = to_s2255_dev(channel->vdev.v4l2_dev); |
4de39f5d | 1275 | mutex_lock(&dev->lock); |
fe85ce90 DA |
1276 | chn_rev = G_chnmap[channel->idx]; |
1277 | dprintk(4, "%s chan %d\n", __func__, channel->idx); | |
4de39f5d DA |
1278 | buffer = kzalloc(512, GFP_KERNEL); |
1279 | if (buffer == NULL) { | |
1280 | dev_err(&dev->udev->dev, "out of mem\n"); | |
1281 | mutex_unlock(&dev->lock); | |
1282 | return -ENOMEM; | |
1283 | } | |
1284 | /* form the get vid status command */ | |
1285 | buffer[0] = IN_DATA_TOKEN; | |
3fa00605 | 1286 | buffer[1] = (__le32) cpu_to_le32(chn_rev); |
4de39f5d DA |
1287 | buffer[2] = CMD_STATUS; |
1288 | *pstatus = 0; | |
fe85ce90 | 1289 | channel->vidstatus_ready = 0; |
4de39f5d DA |
1290 | res = s2255_write_config(dev->udev, (unsigned char *)buffer, 512); |
1291 | kfree(buffer); | |
fe85ce90 DA |
1292 | wait_event_timeout(channel->wait_vidstatus, |
1293 | (channel->vidstatus_ready != 0), | |
4de39f5d | 1294 | msecs_to_jiffies(S2255_VIDSTATUS_TIMEOUT)); |
fe85ce90 | 1295 | if (channel->vidstatus_ready != 1) { |
4de39f5d DA |
1296 | printk(KERN_DEBUG "s2255: no vidstatus response\n"); |
1297 | res = -EFAULT; | |
1298 | } | |
fe85ce90 | 1299 | *pstatus = channel->vidstatus; |
4de39f5d DA |
1300 | dprintk(4, "%s, vid status %d\n", __func__, *pstatus); |
1301 | mutex_unlock(&dev->lock); | |
1302 | return res; | |
1303 | } | |
1304 | ||
38f993ad DA |
1305 | static int vidioc_streamon(struct file *file, void *priv, enum v4l2_buf_type i) |
1306 | { | |
1307 | int res; | |
1308 | struct s2255_fh *fh = priv; | |
1309 | struct s2255_dev *dev = fh->dev; | |
fe85ce90 | 1310 | struct s2255_channel *channel = fh->channel; |
38f993ad DA |
1311 | int j; |
1312 | dprintk(4, "%s\n", __func__); | |
1313 | if (fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) { | |
1314 | dev_err(&dev->udev->dev, "invalid fh type0\n"); | |
1315 | return -EINVAL; | |
1316 | } | |
1317 | if (i != fh->type) { | |
1318 | dev_err(&dev->udev->dev, "invalid fh type1\n"); | |
1319 | return -EINVAL; | |
1320 | } | |
1321 | ||
fe85ce90 | 1322 | if (!res_get(fh)) { |
be9ed511 | 1323 | s2255_dev_err(&dev->udev->dev, "stream busy\n"); |
38f993ad DA |
1324 | return -EBUSY; |
1325 | } | |
fe85ce90 DA |
1326 | channel->last_frame = -1; |
1327 | channel->bad_payload = 0; | |
1328 | channel->cur_frame = 0; | |
1329 | channel->frame_count = 0; | |
38f993ad | 1330 | for (j = 0; j < SYS_FRAMES; j++) { |
fe85ce90 DA |
1331 | channel->buffer.frame[j].ulState = S2255_READ_IDLE; |
1332 | channel->buffer.frame[j].cur_size = 0; | |
38f993ad DA |
1333 | } |
1334 | res = videobuf_streamon(&fh->vb_vidq); | |
1335 | if (res == 0) { | |
fe85ce90 DA |
1336 | s2255_start_acquire(channel); |
1337 | channel->b_acquire = 1; | |
1338 | } else | |
1339 | res_free(fh); | |
1340 | ||
38f993ad DA |
1341 | return res; |
1342 | } | |
1343 | ||
1344 | static int vidioc_streamoff(struct file *file, void *priv, enum v4l2_buf_type i) | |
1345 | { | |
38f993ad | 1346 | struct s2255_fh *fh = priv; |
fe85ce90 | 1347 | dprintk(4, "%s\n, channel: %d", __func__, fh->channel->idx); |
38f993ad DA |
1348 | if (fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) { |
1349 | printk(KERN_ERR "invalid fh type0\n"); | |
1350 | return -EINVAL; | |
1351 | } | |
1352 | if (i != fh->type) { | |
1353 | printk(KERN_ERR "invalid type i\n"); | |
1354 | return -EINVAL; | |
1355 | } | |
fe85ce90 | 1356 | s2255_stop_acquire(fh->channel); |
b7732a32 | 1357 | videobuf_streamoff(&fh->vb_vidq); |
fe85ce90 | 1358 | res_free(fh); |
f78d92c9 | 1359 | return 0; |
38f993ad DA |
1360 | } |
1361 | ||
1362 | static int vidioc_s_std(struct file *file, void *priv, v4l2_std_id *i) | |
1363 | { | |
1364 | struct s2255_fh *fh = priv; | |
fe85ce90 | 1365 | struct s2255_mode mode; |
38f993ad DA |
1366 | struct videobuf_queue *q = &fh->vb_vidq; |
1367 | int ret = 0; | |
38f993ad DA |
1368 | mutex_lock(&q->vb_lock); |
1369 | if (videobuf_queue_is_busy(q)) { | |
1370 | dprintk(1, "queue busy\n"); | |
1371 | ret = -EBUSY; | |
1372 | goto out_s_std; | |
1373 | } | |
fe85ce90 | 1374 | if (res_locked(fh)) { |
38f993ad DA |
1375 | dprintk(1, "can't change standard after started\n"); |
1376 | ret = -EBUSY; | |
1377 | goto out_s_std; | |
1378 | } | |
fe85ce90 | 1379 | mode = fh->channel->mode; |
38f993ad | 1380 | if (*i & V4L2_STD_NTSC) { |
e6b44bc5 DA |
1381 | dprintk(4, "%s NTSC\n", __func__); |
1382 | /* if changing format, reset frame decimation/intervals */ | |
fe85ce90 DA |
1383 | if (mode.format != FORMAT_NTSC) { |
1384 | mode.restart = 1; | |
1385 | mode.format = FORMAT_NTSC; | |
1386 | mode.fdec = FDEC_1; | |
e6b44bc5 | 1387 | } |
38f993ad | 1388 | } else if (*i & V4L2_STD_PAL) { |
e6b44bc5 | 1389 | dprintk(4, "%s PAL\n", __func__); |
fe85ce90 DA |
1390 | if (mode.format != FORMAT_PAL) { |
1391 | mode.restart = 1; | |
1392 | mode.format = FORMAT_PAL; | |
1393 | mode.fdec = FDEC_1; | |
e6b44bc5 | 1394 | } |
38f993ad DA |
1395 | } else { |
1396 | ret = -EINVAL; | |
1397 | } | |
fe85ce90 DA |
1398 | if (mode.restart) |
1399 | s2255_set_mode(fh->channel, &mode); | |
38f993ad DA |
1400 | out_s_std: |
1401 | mutex_unlock(&q->vb_lock); | |
1402 | return ret; | |
1403 | } | |
1404 | ||
1405 | /* Sensoray 2255 is a multiple channel capture device. | |
1406 | It does not have a "crossbar" of inputs. | |
1407 | We use one V4L device per channel. The user must | |
1408 | be aware that certain combinations are not allowed. | |
1409 | For instance, you cannot do full FPS on more than 2 channels(2 videodevs) | |
1410 | at once in color(you can do full fps on 4 channels with greyscale. | |
1411 | */ | |
1412 | static int vidioc_enum_input(struct file *file, void *priv, | |
1413 | struct v4l2_input *inp) | |
1414 | { | |
4de39f5d DA |
1415 | struct s2255_fh *fh = priv; |
1416 | struct s2255_dev *dev = fh->dev; | |
fe85ce90 | 1417 | struct s2255_channel *channel = fh->channel; |
4de39f5d | 1418 | u32 status = 0; |
38f993ad DA |
1419 | if (inp->index != 0) |
1420 | return -EINVAL; | |
38f993ad DA |
1421 | inp->type = V4L2_INPUT_TYPE_CAMERA; |
1422 | inp->std = S2255_NORMS; | |
4de39f5d DA |
1423 | inp->status = 0; |
1424 | if (dev->dsp_fw_ver >= S2255_MIN_DSP_STATUS) { | |
1425 | int rc; | |
fe85ce90 | 1426 | rc = s2255_cmd_status(fh->channel, &status); |
4de39f5d DA |
1427 | dprintk(4, "s2255_cmd_status rc: %d status %x\n", rc, status); |
1428 | if (rc == 0) | |
1429 | inp->status = (status & 0x01) ? 0 | |
1430 | : V4L2_IN_ST_NO_SIGNAL; | |
1431 | } | |
5a34d9df DA |
1432 | switch (dev->pid) { |
1433 | case 0x2255: | |
1434 | default: | |
1435 | strlcpy(inp->name, "Composite", sizeof(inp->name)); | |
1436 | break; | |
1437 | case 0x2257: | |
fe85ce90 | 1438 | strlcpy(inp->name, (channel->idx < 2) ? "Composite" : "S-Video", |
5a34d9df DA |
1439 | sizeof(inp->name)); |
1440 | break; | |
1441 | } | |
3f8d6f73 | 1442 | return 0; |
38f993ad DA |
1443 | } |
1444 | ||
1445 | static int vidioc_g_input(struct file *file, void *priv, unsigned int *i) | |
1446 | { | |
1447 | *i = 0; | |
1448 | return 0; | |
1449 | } | |
1450 | static int vidioc_s_input(struct file *file, void *priv, unsigned int i) | |
1451 | { | |
1452 | if (i > 0) | |
1453 | return -EINVAL; | |
1454 | return 0; | |
1455 | } | |
1456 | ||
1457 | /* --- controls ---------------------------------------------- */ | |
1458 | static int vidioc_queryctrl(struct file *file, void *priv, | |
1459 | struct v4l2_queryctrl *qc) | |
1460 | { | |
5a34d9df | 1461 | struct s2255_fh *fh = priv; |
fe85ce90 | 1462 | struct s2255_channel *channel = fh->channel; |
5a34d9df | 1463 | struct s2255_dev *dev = fh->dev; |
2e70db9a DA |
1464 | switch (qc->id) { |
1465 | case V4L2_CID_BRIGHTNESS: | |
1466 | v4l2_ctrl_query_fill(qc, -127, 127, 1, DEF_BRIGHT); | |
1467 | break; | |
1468 | case V4L2_CID_CONTRAST: | |
1469 | v4l2_ctrl_query_fill(qc, 0, 255, 1, DEF_CONTRAST); | |
1470 | break; | |
1471 | case V4L2_CID_SATURATION: | |
1472 | v4l2_ctrl_query_fill(qc, 0, 255, 1, DEF_SATURATION); | |
1473 | break; | |
1474 | case V4L2_CID_HUE: | |
1475 | v4l2_ctrl_query_fill(qc, 0, 255, 1, DEF_HUE); | |
1476 | break; | |
5a34d9df DA |
1477 | case V4L2_CID_PRIVATE_COLORFILTER: |
1478 | if (dev->dsp_fw_ver < S2255_MIN_DSP_COLORFILTER) | |
1479 | return -EINVAL; | |
fe85ce90 | 1480 | if ((dev->pid == 0x2257) && (channel->idx > 1)) |
5a34d9df DA |
1481 | return -EINVAL; |
1482 | strlcpy(qc->name, "Color Filter", sizeof(qc->name)); | |
1483 | qc->type = V4L2_CTRL_TYPE_MENU; | |
1484 | qc->minimum = 0; | |
1485 | qc->maximum = 1; | |
1486 | qc->step = 1; | |
1487 | qc->default_value = 1; | |
1488 | qc->flags = 0; | |
1489 | break; | |
2e70db9a DA |
1490 | default: |
1491 | return -EINVAL; | |
1492 | } | |
1493 | dprintk(4, "%s, id %d\n", __func__, qc->id); | |
1494 | return 0; | |
38f993ad DA |
1495 | } |
1496 | ||
1497 | static int vidioc_g_ctrl(struct file *file, void *priv, | |
1498 | struct v4l2_control *ctrl) | |
1499 | { | |
2e70db9a | 1500 | struct s2255_fh *fh = priv; |
5a34d9df | 1501 | struct s2255_dev *dev = fh->dev; |
fe85ce90 | 1502 | struct s2255_channel *channel = fh->channel; |
2e70db9a DA |
1503 | switch (ctrl->id) { |
1504 | case V4L2_CID_BRIGHTNESS: | |
fe85ce90 | 1505 | ctrl->value = channel->mode.bright; |
2e70db9a DA |
1506 | break; |
1507 | case V4L2_CID_CONTRAST: | |
fe85ce90 | 1508 | ctrl->value = channel->mode.contrast; |
2e70db9a DA |
1509 | break; |
1510 | case V4L2_CID_SATURATION: | |
fe85ce90 | 1511 | ctrl->value = channel->mode.saturation; |
2e70db9a DA |
1512 | break; |
1513 | case V4L2_CID_HUE: | |
fe85ce90 | 1514 | ctrl->value = channel->mode.hue; |
2e70db9a | 1515 | break; |
5a34d9df DA |
1516 | case V4L2_CID_PRIVATE_COLORFILTER: |
1517 | if (dev->dsp_fw_ver < S2255_MIN_DSP_COLORFILTER) | |
1518 | return -EINVAL; | |
fe85ce90 | 1519 | if ((dev->pid == 0x2257) && (channel->idx > 1)) |
5a34d9df | 1520 | return -EINVAL; |
fe85ce90 | 1521 | ctrl->value = !((channel->mode.color & MASK_INPUT_TYPE) >> 16); |
5a34d9df | 1522 | break; |
2e70db9a DA |
1523 | default: |
1524 | return -EINVAL; | |
1525 | } | |
1526 | dprintk(4, "%s, id %d val %d\n", __func__, ctrl->id, ctrl->value); | |
1527 | return 0; | |
38f993ad DA |
1528 | } |
1529 | ||
1530 | static int vidioc_s_ctrl(struct file *file, void *priv, | |
1531 | struct v4l2_control *ctrl) | |
1532 | { | |
38f993ad | 1533 | struct s2255_fh *fh = priv; |
fe85ce90 DA |
1534 | struct s2255_channel *channel = fh->channel; |
1535 | struct s2255_dev *dev = to_s2255_dev(channel->vdev.v4l2_dev); | |
1536 | struct s2255_mode mode; | |
1537 | mode = channel->mode; | |
2e70db9a DA |
1538 | dprintk(4, "%s\n", __func__); |
1539 | /* update the mode to the corresponding value */ | |
1540 | switch (ctrl->id) { | |
1541 | case V4L2_CID_BRIGHTNESS: | |
fe85ce90 | 1542 | mode.bright = ctrl->value; |
2e70db9a DA |
1543 | break; |
1544 | case V4L2_CID_CONTRAST: | |
fe85ce90 | 1545 | mode.contrast = ctrl->value; |
2e70db9a DA |
1546 | break; |
1547 | case V4L2_CID_HUE: | |
fe85ce90 | 1548 | mode.hue = ctrl->value; |
2e70db9a DA |
1549 | break; |
1550 | case V4L2_CID_SATURATION: | |
fe85ce90 | 1551 | mode.saturation = ctrl->value; |
2e70db9a | 1552 | break; |
5a34d9df DA |
1553 | case V4L2_CID_PRIVATE_COLORFILTER: |
1554 | if (dev->dsp_fw_ver < S2255_MIN_DSP_COLORFILTER) | |
1555 | return -EINVAL; | |
fe85ce90 | 1556 | if ((dev->pid == 0x2257) && (channel->idx > 1)) |
5a34d9df | 1557 | return -EINVAL; |
fe85ce90 DA |
1558 | mode.color &= ~MASK_INPUT_TYPE; |
1559 | mode.color |= ((ctrl->value ? 0 : 1) << 16); | |
5a34d9df | 1560 | break; |
2e70db9a DA |
1561 | default: |
1562 | return -EINVAL; | |
38f993ad | 1563 | } |
fe85ce90 | 1564 | mode.restart = 0; |
2e70db9a DA |
1565 | /* set mode here. Note: stream does not need restarted. |
1566 | some V4L programs restart stream unnecessarily | |
1567 | after a s_crtl. | |
1568 | */ | |
fe85ce90 | 1569 | s2255_set_mode(fh->channel, &mode); |
2e70db9a | 1570 | return 0; |
38f993ad DA |
1571 | } |
1572 | ||
22b88d48 DA |
1573 | static int vidioc_g_jpegcomp(struct file *file, void *priv, |
1574 | struct v4l2_jpegcompression *jc) | |
1575 | { | |
1576 | struct s2255_fh *fh = priv; | |
fe85ce90 DA |
1577 | struct s2255_channel *channel = fh->channel; |
1578 | *jc = channel->jc; | |
85b85482 | 1579 | dprintk(2, "%s: quality %d\n", __func__, jc->quality); |
22b88d48 DA |
1580 | return 0; |
1581 | } | |
1582 | ||
1583 | static int vidioc_s_jpegcomp(struct file *file, void *priv, | |
1584 | struct v4l2_jpegcompression *jc) | |
1585 | { | |
1586 | struct s2255_fh *fh = priv; | |
fe85ce90 | 1587 | struct s2255_channel *channel = fh->channel; |
22b88d48 DA |
1588 | if (jc->quality < 0 || jc->quality > 100) |
1589 | return -EINVAL; | |
fe85ce90 | 1590 | channel->jc.quality = jc->quality; |
85b85482 | 1591 | dprintk(2, "%s: quality %d\n", __func__, jc->quality); |
22b88d48 DA |
1592 | return 0; |
1593 | } | |
7d853532 DA |
1594 | |
1595 | static int vidioc_g_parm(struct file *file, void *priv, | |
1596 | struct v4l2_streamparm *sp) | |
1597 | { | |
1598 | struct s2255_fh *fh = priv; | |
e6b44bc5 | 1599 | __u32 def_num, def_dem; |
fe85ce90 | 1600 | struct s2255_channel *channel = fh->channel; |
7d853532 DA |
1601 | if (sp->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) |
1602 | return -EINVAL; | |
e6b44bc5 DA |
1603 | memset(sp, 0, sizeof(struct v4l2_streamparm)); |
1604 | sp->parm.capture.capability = V4L2_CAP_TIMEPERFRAME; | |
fe85ce90 DA |
1605 | sp->parm.capture.capturemode = channel->cap_parm.capturemode; |
1606 | def_num = (channel->mode.format == FORMAT_NTSC) ? 1001 : 1000; | |
1607 | def_dem = (channel->mode.format == FORMAT_NTSC) ? 30000 : 25000; | |
e6b44bc5 | 1608 | sp->parm.capture.timeperframe.denominator = def_dem; |
fe85ce90 | 1609 | switch (channel->mode.fdec) { |
e6b44bc5 DA |
1610 | default: |
1611 | case FDEC_1: | |
1612 | sp->parm.capture.timeperframe.numerator = def_num; | |
1613 | break; | |
1614 | case FDEC_2: | |
1615 | sp->parm.capture.timeperframe.numerator = def_num * 2; | |
1616 | break; | |
1617 | case FDEC_3: | |
1618 | sp->parm.capture.timeperframe.numerator = def_num * 3; | |
1619 | break; | |
1620 | case FDEC_5: | |
1621 | sp->parm.capture.timeperframe.numerator = def_num * 5; | |
1622 | break; | |
1623 | } | |
1624 | dprintk(4, "%s capture mode, %d timeperframe %d/%d\n", __func__, | |
1625 | sp->parm.capture.capturemode, | |
1626 | sp->parm.capture.timeperframe.numerator, | |
1627 | sp->parm.capture.timeperframe.denominator); | |
7d853532 DA |
1628 | return 0; |
1629 | } | |
1630 | ||
1631 | static int vidioc_s_parm(struct file *file, void *priv, | |
1632 | struct v4l2_streamparm *sp) | |
1633 | { | |
1634 | struct s2255_fh *fh = priv; | |
fe85ce90 DA |
1635 | struct s2255_channel *channel = fh->channel; |
1636 | struct s2255_mode mode; | |
e6b44bc5 DA |
1637 | int fdec = FDEC_1; |
1638 | __u32 def_num, def_dem; | |
7d853532 DA |
1639 | if (sp->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) |
1640 | return -EINVAL; | |
fe85ce90 | 1641 | mode = channel->mode; |
e6b44bc5 | 1642 | /* high quality capture mode requires a stream restart */ |
fe85ce90 DA |
1643 | if (channel->cap_parm.capturemode |
1644 | != sp->parm.capture.capturemode && res_locked(fh)) | |
e6b44bc5 | 1645 | return -EBUSY; |
fe85ce90 DA |
1646 | def_num = (mode.format == FORMAT_NTSC) ? 1001 : 1000; |
1647 | def_dem = (mode.format == FORMAT_NTSC) ? 30000 : 25000; | |
e6b44bc5 DA |
1648 | if (def_dem != sp->parm.capture.timeperframe.denominator) |
1649 | sp->parm.capture.timeperframe.numerator = def_num; | |
1650 | else if (sp->parm.capture.timeperframe.numerator <= def_num) | |
1651 | sp->parm.capture.timeperframe.numerator = def_num; | |
1652 | else if (sp->parm.capture.timeperframe.numerator <= (def_num * 2)) { | |
1653 | sp->parm.capture.timeperframe.numerator = def_num * 2; | |
1654 | fdec = FDEC_2; | |
1655 | } else if (sp->parm.capture.timeperframe.numerator <= (def_num * 3)) { | |
1656 | sp->parm.capture.timeperframe.numerator = def_num * 3; | |
1657 | fdec = FDEC_3; | |
1658 | } else { | |
1659 | sp->parm.capture.timeperframe.numerator = def_num * 5; | |
1660 | fdec = FDEC_5; | |
1661 | } | |
fe85ce90 | 1662 | mode.fdec = fdec; |
e6b44bc5 | 1663 | sp->parm.capture.timeperframe.denominator = def_dem; |
fe85ce90 | 1664 | s2255_set_mode(channel, &mode); |
e6b44bc5 DA |
1665 | dprintk(4, "%s capture mode, %d timeperframe %d/%d, fdec %d\n", |
1666 | __func__, | |
1667 | sp->parm.capture.capturemode, | |
1668 | sp->parm.capture.timeperframe.numerator, | |
1669 | sp->parm.capture.timeperframe.denominator, fdec); | |
1670 | return 0; | |
1671 | } | |
7d853532 | 1672 | |
e6b44bc5 DA |
1673 | static int vidioc_enum_frameintervals(struct file *file, void *priv, |
1674 | struct v4l2_frmivalenum *fe) | |
1675 | { | |
1676 | int is_ntsc = 0; | |
1677 | #define NUM_FRAME_ENUMS 4 | |
1678 | int frm_dec[NUM_FRAME_ENUMS] = {1, 2, 3, 5}; | |
1679 | if (fe->index < 0 || fe->index >= NUM_FRAME_ENUMS) | |
1680 | return -EINVAL; | |
1681 | switch (fe->width) { | |
1682 | case 640: | |
1683 | if (fe->height != 240 && fe->height != 480) | |
1684 | return -EINVAL; | |
1685 | is_ntsc = 1; | |
1686 | break; | |
1687 | case 320: | |
1688 | if (fe->height != 240) | |
1689 | return -EINVAL; | |
1690 | is_ntsc = 1; | |
1691 | break; | |
1692 | case 704: | |
1693 | if (fe->height != 288 && fe->height != 576) | |
1694 | return -EINVAL; | |
1695 | break; | |
1696 | case 352: | |
1697 | if (fe->height != 288) | |
1698 | return -EINVAL; | |
1699 | break; | |
1700 | default: | |
1701 | return -EINVAL; | |
1702 | } | |
1703 | fe->type = V4L2_FRMIVAL_TYPE_DISCRETE; | |
1704 | fe->discrete.denominator = is_ntsc ? 30000 : 25000; | |
1705 | fe->discrete.numerator = (is_ntsc ? 1001 : 1000) * frm_dec[fe->index]; | |
1706 | dprintk(4, "%s discrete %d/%d\n", __func__, fe->discrete.numerator, | |
1707 | fe->discrete.denominator); | |
7d853532 DA |
1708 | return 0; |
1709 | } | |
e6b44bc5 | 1710 | |
bec43661 | 1711 | static int s2255_open(struct file *file) |
38f993ad | 1712 | { |
63b0d5ad | 1713 | struct video_device *vdev = video_devdata(file); |
fe85ce90 DA |
1714 | struct s2255_channel *channel = video_drvdata(file); |
1715 | struct s2255_dev *dev = to_s2255_dev(vdev->v4l2_dev); | |
38f993ad | 1716 | struct s2255_fh *fh; |
63b0d5ad | 1717 | enum v4l2_buf_type type = V4L2_BUF_TYPE_VIDEO_CAPTURE; |
14d96260 | 1718 | int state; |
50462eb0 LP |
1719 | dprintk(1, "s2255: open called (dev=%s)\n", |
1720 | video_device_node_name(vdev)); | |
ff7e22df DA |
1721 | /* |
1722 | * open lock necessary to prevent multiple instances | |
1723 | * of v4l-conf (or other programs) from simultaneously | |
1724 | * reloading firmware. | |
1725 | */ | |
1726 | mutex_lock(&dev->open_lock); | |
1727 | state = atomic_read(&dev->fw_data->fw_state); | |
1728 | switch (state) { | |
1729 | case S2255_FW_DISCONNECTING: | |
1730 | mutex_unlock(&dev->open_lock); | |
14d96260 | 1731 | return -ENODEV; |
14d96260 | 1732 | case S2255_FW_FAILED: |
be9ed511 MCC |
1733 | s2255_dev_err(&dev->udev->dev, |
1734 | "firmware load failed. retrying.\n"); | |
14d96260 | 1735 | s2255_fwload_start(dev, 1); |
38f993ad | 1736 | wait_event_timeout(dev->fw_data->wait_fw, |
14d96260 DA |
1737 | ((atomic_read(&dev->fw_data->fw_state) |
1738 | == S2255_FW_SUCCESS) || | |
1739 | (atomic_read(&dev->fw_data->fw_state) | |
1740 | == S2255_FW_DISCONNECTING)), | |
38f993ad | 1741 | msecs_to_jiffies(S2255_LOAD_TIMEOUT)); |
ff7e22df DA |
1742 | /* state may have changed, re-read */ |
1743 | state = atomic_read(&dev->fw_data->fw_state); | |
14d96260 DA |
1744 | break; |
1745 | case S2255_FW_NOTLOADED: | |
1746 | case S2255_FW_LOADED_DSPWAIT: | |
38f993ad DA |
1747 | /* give S2255_LOAD_TIMEOUT time for firmware to load in case |
1748 | driver loaded and then device immediately opened */ | |
1749 | printk(KERN_INFO "%s waiting for firmware load\n", __func__); | |
1750 | wait_event_timeout(dev->fw_data->wait_fw, | |
14d96260 DA |
1751 | ((atomic_read(&dev->fw_data->fw_state) |
1752 | == S2255_FW_SUCCESS) || | |
1753 | (atomic_read(&dev->fw_data->fw_state) | |
1754 | == S2255_FW_DISCONNECTING)), | |
eb78deec | 1755 | msecs_to_jiffies(S2255_LOAD_TIMEOUT)); |
ff7e22df DA |
1756 | /* state may have changed, re-read */ |
1757 | state = atomic_read(&dev->fw_data->fw_state); | |
14d96260 DA |
1758 | break; |
1759 | case S2255_FW_SUCCESS: | |
1760 | default: | |
1761 | break; | |
1762 | } | |
ff7e22df DA |
1763 | /* state may have changed in above switch statement */ |
1764 | switch (state) { | |
1765 | case S2255_FW_SUCCESS: | |
1766 | break; | |
1767 | case S2255_FW_FAILED: | |
1768 | printk(KERN_INFO "2255 firmware load failed.\n"); | |
eb78deec | 1769 | mutex_unlock(&dev->open_lock); |
ff7e22df DA |
1770 | return -ENODEV; |
1771 | case S2255_FW_DISCONNECTING: | |
1772 | printk(KERN_INFO "%s: disconnecting\n", __func__); | |
eb78deec | 1773 | mutex_unlock(&dev->open_lock); |
ff7e22df DA |
1774 | return -ENODEV; |
1775 | case S2255_FW_LOADED_DSPWAIT: | |
1776 | case S2255_FW_NOTLOADED: | |
1777 | printk(KERN_INFO "%s: firmware not loaded yet" | |
1778 | "please try again later\n", | |
1779 | __func__); | |
eb78deec DA |
1780 | /* |
1781 | * Timeout on firmware load means device unusable. | |
1782 | * Set firmware failure state. | |
1783 | * On next s2255_open the firmware will be reloaded. | |
1784 | */ | |
1785 | atomic_set(&dev->fw_data->fw_state, | |
1786 | S2255_FW_FAILED); | |
1787 | mutex_unlock(&dev->open_lock); | |
ff7e22df DA |
1788 | return -EAGAIN; |
1789 | default: | |
1790 | printk(KERN_INFO "%s: unknown state\n", __func__); | |
eb78deec | 1791 | mutex_unlock(&dev->open_lock); |
ff7e22df | 1792 | return -EFAULT; |
38f993ad | 1793 | } |
eb78deec | 1794 | mutex_unlock(&dev->open_lock); |
38f993ad DA |
1795 | /* allocate + initialize per filehandle data */ |
1796 | fh = kzalloc(sizeof(*fh), GFP_KERNEL); | |
a5ef91c9 | 1797 | if (NULL == fh) |
38f993ad | 1798 | return -ENOMEM; |
38f993ad DA |
1799 | file->private_data = fh; |
1800 | fh->dev = dev; | |
1801 | fh->type = V4L2_BUF_TYPE_VIDEO_CAPTURE; | |
fe85ce90 DA |
1802 | fh->channel = channel; |
1803 | if (!channel->configured) { | |
1804 | /* configure channel to default state */ | |
1805 | channel->fmt = &formats[0]; | |
1806 | s2255_set_mode(channel, &channel->mode); | |
1807 | channel->configured = 1; | |
14d96260 | 1808 | } |
85b85482 | 1809 | dprintk(1, "%s: dev=%s type=%s\n", __func__, |
ff7e22df | 1810 | video_device_node_name(vdev), v4l2_type_names[type]); |
85b85482 | 1811 | dprintk(2, "%s: fh=0x%08lx, dev=0x%08lx, vidq=0x%08lx\n", __func__, |
38f993ad | 1812 | (unsigned long)fh, (unsigned long)dev, |
fe85ce90 | 1813 | (unsigned long)&channel->vidq); |
85b85482 | 1814 | dprintk(4, "%s: list_empty active=%d\n", __func__, |
fe85ce90 | 1815 | list_empty(&channel->vidq.active)); |
38f993ad DA |
1816 | videobuf_queue_vmalloc_init(&fh->vb_vidq, &s2255_video_qops, |
1817 | NULL, &dev->slock, | |
1818 | fh->type, | |
1819 | V4L2_FIELD_INTERLACED, | |
1820 | sizeof(struct s2255_buffer), fh); | |
38f993ad DA |
1821 | return 0; |
1822 | } | |
1823 | ||
1824 | ||
1825 | static unsigned int s2255_poll(struct file *file, | |
1826 | struct poll_table_struct *wait) | |
1827 | { | |
1828 | struct s2255_fh *fh = file->private_data; | |
1829 | int rc; | |
1830 | dprintk(100, "%s\n", __func__); | |
38f993ad DA |
1831 | if (V4L2_BUF_TYPE_VIDEO_CAPTURE != fh->type) |
1832 | return POLLERR; | |
38f993ad DA |
1833 | rc = videobuf_poll_stream(file, &fh->vb_vidq, wait); |
1834 | return rc; | |
1835 | } | |
1836 | ||
d62e85a0 | 1837 | static void s2255_destroy(struct s2255_dev *dev) |
38f993ad | 1838 | { |
38f993ad DA |
1839 | /* board shutdown stops the read pipe if it is running */ |
1840 | s2255_board_shutdown(dev); | |
38f993ad | 1841 | /* make sure firmware still not trying to load */ |
f78d92c9 | 1842 | del_timer(&dev->timer); /* only started in .probe and .open */ |
38f993ad | 1843 | if (dev->fw_data->fw_urb) { |
38f993ad DA |
1844 | usb_kill_urb(dev->fw_data->fw_urb); |
1845 | usb_free_urb(dev->fw_data->fw_urb); | |
1846 | dev->fw_data->fw_urb = NULL; | |
1847 | } | |
f78d92c9 DA |
1848 | if (dev->fw_data->fw) |
1849 | release_firmware(dev->fw_data->fw); | |
1850 | kfree(dev->fw_data->pfw_data); | |
1851 | kfree(dev->fw_data); | |
ff7e22df DA |
1852 | /* reset the DSP so firmware can be reloaded next time */ |
1853 | s2255_reset_dsppower(dev); | |
1854 | mutex_destroy(&dev->open_lock); | |
1855 | mutex_destroy(&dev->lock); | |
38f993ad | 1856 | usb_put_dev(dev->udev); |
fe85ce90 | 1857 | v4l2_device_unregister(&dev->v4l2_dev); |
38f993ad | 1858 | dprintk(1, "%s", __func__); |
b7732a32 | 1859 | kfree(dev); |
38f993ad DA |
1860 | } |
1861 | ||
ff7e22df | 1862 | static int s2255_release(struct file *file) |
38f993ad DA |
1863 | { |
1864 | struct s2255_fh *fh = file->private_data; | |
1865 | struct s2255_dev *dev = fh->dev; | |
50462eb0 | 1866 | struct video_device *vdev = video_devdata(file); |
fe85ce90 | 1867 | struct s2255_channel *channel = fh->channel; |
38f993ad DA |
1868 | if (!dev) |
1869 | return -ENODEV; | |
f78d92c9 DA |
1870 | /* turn off stream */ |
1871 | if (res_check(fh)) { | |
fe85ce90 DA |
1872 | if (channel->b_acquire) |
1873 | s2255_stop_acquire(fh->channel); | |
f78d92c9 | 1874 | videobuf_streamoff(&fh->vb_vidq); |
fe85ce90 | 1875 | res_free(fh); |
f78d92c9 | 1876 | } |
38f993ad | 1877 | videobuf_mmap_free(&fh->vb_vidq); |
ff7e22df | 1878 | dprintk(1, "%s (dev=%s)\n", __func__, video_device_node_name(vdev)); |
f78d92c9 | 1879 | kfree(fh); |
38f993ad DA |
1880 | return 0; |
1881 | } | |
1882 | ||
1883 | static int s2255_mmap_v4l(struct file *file, struct vm_area_struct *vma) | |
1884 | { | |
1885 | struct s2255_fh *fh = file->private_data; | |
1886 | int ret; | |
1887 | ||
1888 | if (!fh) | |
1889 | return -ENODEV; | |
85b85482 | 1890 | dprintk(4, "%s, vma=0x%08lx\n", __func__, (unsigned long)vma); |
38f993ad | 1891 | ret = videobuf_mmap_mapper(&fh->vb_vidq, vma); |
85b85482 | 1892 | dprintk(4, "%s vma start=0x%08lx, size=%ld, ret=%d\n", __func__, |
38f993ad DA |
1893 | (unsigned long)vma->vm_start, |
1894 | (unsigned long)vma->vm_end - (unsigned long)vma->vm_start, ret); | |
38f993ad DA |
1895 | return ret; |
1896 | } | |
1897 | ||
bec43661 | 1898 | static const struct v4l2_file_operations s2255_fops_v4l = { |
38f993ad DA |
1899 | .owner = THIS_MODULE, |
1900 | .open = s2255_open, | |
ff7e22df | 1901 | .release = s2255_release, |
38f993ad DA |
1902 | .poll = s2255_poll, |
1903 | .ioctl = video_ioctl2, /* V4L2 ioctl handler */ | |
38f993ad | 1904 | .mmap = s2255_mmap_v4l, |
38f993ad DA |
1905 | }; |
1906 | ||
a399810c | 1907 | static const struct v4l2_ioctl_ops s2255_ioctl_ops = { |
5a34d9df | 1908 | .vidioc_querymenu = vidioc_querymenu, |
38f993ad DA |
1909 | .vidioc_querycap = vidioc_querycap, |
1910 | .vidioc_enum_fmt_vid_cap = vidioc_enum_fmt_vid_cap, | |
1911 | .vidioc_g_fmt_vid_cap = vidioc_g_fmt_vid_cap, | |
1912 | .vidioc_try_fmt_vid_cap = vidioc_try_fmt_vid_cap, | |
1913 | .vidioc_s_fmt_vid_cap = vidioc_s_fmt_vid_cap, | |
1914 | .vidioc_reqbufs = vidioc_reqbufs, | |
1915 | .vidioc_querybuf = vidioc_querybuf, | |
1916 | .vidioc_qbuf = vidioc_qbuf, | |
1917 | .vidioc_dqbuf = vidioc_dqbuf, | |
1918 | .vidioc_s_std = vidioc_s_std, | |
1919 | .vidioc_enum_input = vidioc_enum_input, | |
1920 | .vidioc_g_input = vidioc_g_input, | |
1921 | .vidioc_s_input = vidioc_s_input, | |
1922 | .vidioc_queryctrl = vidioc_queryctrl, | |
1923 | .vidioc_g_ctrl = vidioc_g_ctrl, | |
1924 | .vidioc_s_ctrl = vidioc_s_ctrl, | |
1925 | .vidioc_streamon = vidioc_streamon, | |
1926 | .vidioc_streamoff = vidioc_streamoff, | |
1927 | #ifdef CONFIG_VIDEO_V4L1_COMPAT | |
1928 | .vidiocgmbuf = vidioc_cgmbuf, | |
1929 | #endif | |
22b88d48 DA |
1930 | .vidioc_s_jpegcomp = vidioc_s_jpegcomp, |
1931 | .vidioc_g_jpegcomp = vidioc_g_jpegcomp, | |
7d853532 DA |
1932 | .vidioc_s_parm = vidioc_s_parm, |
1933 | .vidioc_g_parm = vidioc_g_parm, | |
e6b44bc5 | 1934 | .vidioc_enum_frameintervals = vidioc_enum_frameintervals, |
a399810c HV |
1935 | }; |
1936 | ||
ff7e22df DA |
1937 | static void s2255_video_device_release(struct video_device *vdev) |
1938 | { | |
fe85ce90 DA |
1939 | struct s2255_dev *dev = to_s2255_dev(vdev->v4l2_dev); |
1940 | dprintk(4, "%s, chnls: %d \n", __func__, | |
1941 | atomic_read(&dev->num_channels)); | |
1942 | if (atomic_dec_and_test(&dev->num_channels)) | |
d62e85a0 | 1943 | s2255_destroy(dev); |
ff7e22df DA |
1944 | return; |
1945 | } | |
1946 | ||
a399810c HV |
1947 | static struct video_device template = { |
1948 | .name = "s2255v", | |
a399810c HV |
1949 | .fops = &s2255_fops_v4l, |
1950 | .ioctl_ops = &s2255_ioctl_ops, | |
ff7e22df | 1951 | .release = s2255_video_device_release, |
38f993ad DA |
1952 | .tvnorms = S2255_NORMS, |
1953 | .current_norm = V4L2_STD_NTSC_M, | |
1954 | }; | |
1955 | ||
1956 | static int s2255_probe_v4l(struct s2255_dev *dev) | |
1957 | { | |
1958 | int ret; | |
1959 | int i; | |
1960 | int cur_nr = video_nr; | |
fe85ce90 | 1961 | struct s2255_channel *channel; |
65c6edb3 DA |
1962 | ret = v4l2_device_register(&dev->interface->dev, &dev->v4l2_dev); |
1963 | if (ret) | |
1964 | return ret; | |
38f993ad | 1965 | /* initialize all video 4 linux */ |
38f993ad DA |
1966 | /* register 4 video devices */ |
1967 | for (i = 0; i < MAX_CHANNELS; i++) { | |
fe85ce90 DA |
1968 | channel = &dev->channel[i]; |
1969 | INIT_LIST_HEAD(&channel->vidq.active); | |
1970 | channel->vidq.dev = dev; | |
38f993ad | 1971 | /* register 4 video devices */ |
fe85ce90 DA |
1972 | channel->vdev = template; |
1973 | channel->vdev.v4l2_dev = &dev->v4l2_dev; | |
1974 | video_set_drvdata(&channel->vdev, channel); | |
38f993ad | 1975 | if (video_nr == -1) |
fe85ce90 | 1976 | ret = video_register_device(&channel->vdev, |
38f993ad DA |
1977 | VFL_TYPE_GRABBER, |
1978 | video_nr); | |
1979 | else | |
fe85ce90 | 1980 | ret = video_register_device(&channel->vdev, |
38f993ad DA |
1981 | VFL_TYPE_GRABBER, |
1982 | cur_nr + i); | |
fe85ce90 | 1983 | |
3a67b5cc | 1984 | if (ret) { |
38f993ad DA |
1985 | dev_err(&dev->udev->dev, |
1986 | "failed to register video device!\n"); | |
3a67b5cc | 1987 | break; |
38f993ad | 1988 | } |
fe85ce90 | 1989 | atomic_inc(&dev->num_channels); |
65c6edb3 | 1990 | v4l2_info(&dev->v4l2_dev, "V4L2 device registered as %s\n", |
fe85ce90 | 1991 | video_device_node_name(&channel->vdev)); |
3a67b5cc | 1992 | |
38f993ad | 1993 | } |
abce21f4 DA |
1994 | printk(KERN_INFO "Sensoray 2255 V4L driver Revision: %d.%d\n", |
1995 | S2255_MAJOR_VERSION, | |
1996 | S2255_MINOR_VERSION); | |
3a67b5cc | 1997 | /* if no channels registered, return error and probe will fail*/ |
fe85ce90 | 1998 | if (atomic_read(&dev->num_channels) == 0) { |
65c6edb3 | 1999 | v4l2_device_unregister(&dev->v4l2_dev); |
3a67b5cc | 2000 | return ret; |
65c6edb3 | 2001 | } |
fe85ce90 | 2002 | if (atomic_read(&dev->num_channels) != MAX_CHANNELS) |
3a67b5cc DA |
2003 | printk(KERN_WARNING "s2255: Not all channels available.\n"); |
2004 | return 0; | |
38f993ad DA |
2005 | } |
2006 | ||
38f993ad DA |
2007 | /* this function moves the usb stream read pipe data |
2008 | * into the system buffers. | |
2009 | * returns 0 on success, EAGAIN if more data to process( call this | |
2010 | * function again). | |
2011 | * | |
2012 | * Received frame structure: | |
14d96260 | 2013 | * bytes 0-3: marker : 0x2255DA4AL (S2255_MARKER_FRAME) |
38f993ad DA |
2014 | * bytes 4-7: channel: 0-3 |
2015 | * bytes 8-11: payload size: size of the frame | |
2016 | * bytes 12-payloadsize+12: frame data | |
2017 | */ | |
2018 | static int save_frame(struct s2255_dev *dev, struct s2255_pipeinfo *pipe_info) | |
2019 | { | |
38f993ad DA |
2020 | char *pdest; |
2021 | u32 offset = 0; | |
14d96260 | 2022 | int bframe = 0; |
38f993ad DA |
2023 | char *psrc; |
2024 | unsigned long copy_size; | |
2025 | unsigned long size; | |
2026 | s32 idx = -1; | |
2027 | struct s2255_framei *frm; | |
2028 | unsigned char *pdata; | |
fe85ce90 | 2029 | struct s2255_channel *channel; |
38f993ad | 2030 | dprintk(100, "buffer to user\n"); |
fe85ce90 DA |
2031 | channel = &dev->channel[dev->cc]; |
2032 | idx = channel->cur_frame; | |
2033 | frm = &channel->buffer.frame[idx]; | |
14d96260 DA |
2034 | if (frm->ulState == S2255_READ_IDLE) { |
2035 | int jj; | |
2036 | unsigned int cc; | |
3fa00605 | 2037 | __le32 *pdword; /*data from dsp is little endian */ |
14d96260 DA |
2038 | int payload; |
2039 | /* search for marker codes */ | |
2040 | pdata = (unsigned char *)pipe_info->transfer_buffer; | |
3fa00605 | 2041 | pdword = (__le32 *)pdata; |
14d96260 | 2042 | for (jj = 0; jj < (pipe_info->cur_transfer_size - 12); jj++) { |
3fa00605 | 2043 | switch (*pdword) { |
14d96260 | 2044 | case S2255_MARKER_FRAME: |
14d96260 DA |
2045 | dprintk(4, "found frame marker at offset:" |
2046 | " %d [%x %x]\n", jj, pdata[0], | |
2047 | pdata[1]); | |
2048 | offset = jj + PREFIX_SIZE; | |
2049 | bframe = 1; | |
2050 | cc = pdword[1]; | |
2051 | if (cc >= MAX_CHANNELS) { | |
2052 | printk(KERN_ERR | |
2053 | "bad channel\n"); | |
2054 | return -EINVAL; | |
2055 | } | |
2056 | /* reverse it */ | |
2057 | dev->cc = G_chnmap[cc]; | |
fe85ce90 | 2058 | channel = &dev->channel[dev->cc]; |
14d96260 | 2059 | payload = pdword[3]; |
fe85ce90 DA |
2060 | if (payload > channel->req_image_size) { |
2061 | channel->bad_payload++; | |
14d96260 DA |
2062 | /* discard the bad frame */ |
2063 | return -EINVAL; | |
2064 | } | |
fe85ce90 DA |
2065 | channel->pkt_size = payload; |
2066 | channel->jpg_size = pdword[4]; | |
14d96260 DA |
2067 | break; |
2068 | case S2255_MARKER_RESPONSE: | |
fe85ce90 | 2069 | |
14d96260 DA |
2070 | pdata += DEF_USB_BLOCK; |
2071 | jj += DEF_USB_BLOCK; | |
2072 | if (pdword[1] >= MAX_CHANNELS) | |
2073 | break; | |
2074 | cc = G_chnmap[pdword[1]]; | |
f14a2972 | 2075 | if (cc >= MAX_CHANNELS) |
14d96260 | 2076 | break; |
fe85ce90 | 2077 | channel = &dev->channel[cc]; |
14d96260 | 2078 | switch (pdword[2]) { |
abce21f4 | 2079 | case S2255_RESPONSE_SETMODE: |
14d96260 DA |
2080 | /* check if channel valid */ |
2081 | /* set mode ready */ | |
fe85ce90 DA |
2082 | channel->setmode_ready = 1; |
2083 | wake_up(&channel->wait_setmode); | |
14d96260 | 2084 | dprintk(5, "setmode ready %d\n", cc); |
38f993ad | 2085 | break; |
abce21f4 | 2086 | case S2255_RESPONSE_FW: |
14d96260 DA |
2087 | dev->chn_ready |= (1 << cc); |
2088 | if ((dev->chn_ready & 0x0f) != 0x0f) | |
2089 | break; | |
2090 | /* all channels ready */ | |
2091 | printk(KERN_INFO "s2255: fw loaded\n"); | |
2092 | atomic_set(&dev->fw_data->fw_state, | |
2093 | S2255_FW_SUCCESS); | |
2094 | wake_up(&dev->fw_data->wait_fw); | |
2095 | break; | |
4de39f5d | 2096 | case S2255_RESPONSE_STATUS: |
fe85ce90 DA |
2097 | channel->vidstatus = pdword[3]; |
2098 | channel->vidstatus_ready = 1; | |
2099 | wake_up(&channel->wait_vidstatus); | |
4de39f5d DA |
2100 | dprintk(5, "got vidstatus %x chan %d\n", |
2101 | pdword[3], cc); | |
2102 | break; | |
14d96260 | 2103 | default: |
af901ca1 | 2104 | printk(KERN_INFO "s2255 unknown resp\n"); |
38f993ad | 2105 | } |
14d96260 | 2106 | default: |
38f993ad | 2107 | pdata++; |
14d96260 | 2108 | break; |
38f993ad | 2109 | } |
14d96260 DA |
2110 | if (bframe) |
2111 | break; | |
2112 | } /* for */ | |
2113 | if (!bframe) | |
2114 | return -EINVAL; | |
38f993ad | 2115 | } |
fe85ce90 DA |
2116 | channel = &dev->channel[dev->cc]; |
2117 | idx = channel->cur_frame; | |
2118 | frm = &channel->buffer.frame[idx]; | |
14d96260 | 2119 | /* search done. now find out if should be acquiring on this channel */ |
fe85ce90 | 2120 | if (!channel->b_acquire) { |
14d96260 DA |
2121 | /* we found a frame, but this channel is turned off */ |
2122 | frm->ulState = S2255_READ_IDLE; | |
2123 | return -EINVAL; | |
38f993ad DA |
2124 | } |
2125 | ||
14d96260 DA |
2126 | if (frm->ulState == S2255_READ_IDLE) { |
2127 | frm->ulState = S2255_READ_FRAME; | |
2128 | frm->cur_size = 0; | |
38f993ad DA |
2129 | } |
2130 | ||
14d96260 DA |
2131 | /* skip the marker 512 bytes (and offset if out of sync) */ |
2132 | psrc = (u8 *)pipe_info->transfer_buffer + offset; | |
2133 | ||
2134 | ||
38f993ad DA |
2135 | if (frm->lpvbits == NULL) { |
2136 | dprintk(1, "s2255 frame buffer == NULL.%p %p %d %d", | |
2137 | frm, dev, dev->cc, idx); | |
2138 | return -ENOMEM; | |
2139 | } | |
2140 | ||
2141 | pdest = frm->lpvbits + frm->cur_size; | |
2142 | ||
14d96260 | 2143 | copy_size = (pipe_info->cur_transfer_size - offset); |
38f993ad | 2144 | |
fe85ce90 | 2145 | size = channel->pkt_size - PREFIX_SIZE; |
38f993ad | 2146 | |
14d96260 | 2147 | /* sanity check on pdest */ |
fe85ce90 | 2148 | if ((copy_size + frm->cur_size) < channel->req_image_size) |
14d96260 | 2149 | memcpy(pdest, psrc, copy_size); |
38f993ad | 2150 | |
38f993ad | 2151 | frm->cur_size += copy_size; |
14d96260 DA |
2152 | dprintk(4, "cur_size size %lu size %lu \n", frm->cur_size, size); |
2153 | ||
2154 | if (frm->cur_size >= size) { | |
38f993ad | 2155 | dprintk(2, "****************[%d]Buffer[%d]full*************\n", |
fe85ce90 DA |
2156 | dev->cc, idx); |
2157 | channel->last_frame = channel->cur_frame; | |
2158 | channel->cur_frame++; | |
38f993ad | 2159 | /* end of system frame ring buffer, start at zero */ |
fe85ce90 DA |
2160 | if ((channel->cur_frame == SYS_FRAMES) || |
2161 | (channel->cur_frame == channel->buffer.dwFrames)) | |
2162 | channel->cur_frame = 0; | |
14d96260 | 2163 | /* frame ready */ |
fe85ce90 DA |
2164 | if (channel->b_acquire) |
2165 | s2255_got_frame(channel, channel->jpg_size); | |
2166 | channel->frame_count++; | |
14d96260 DA |
2167 | frm->ulState = S2255_READ_IDLE; |
2168 | frm->cur_size = 0; | |
2169 | ||
38f993ad DA |
2170 | } |
2171 | /* done successfully */ | |
2172 | return 0; | |
2173 | } | |
2174 | ||
2175 | static void s2255_read_video_callback(struct s2255_dev *dev, | |
2176 | struct s2255_pipeinfo *pipe_info) | |
2177 | { | |
2178 | int res; | |
2179 | dprintk(50, "callback read video \n"); | |
2180 | ||
2181 | if (dev->cc >= MAX_CHANNELS) { | |
2182 | dev->cc = 0; | |
2183 | dev_err(&dev->udev->dev, "invalid channel\n"); | |
2184 | return; | |
2185 | } | |
2186 | /* otherwise copy to the system buffers */ | |
2187 | res = save_frame(dev, pipe_info); | |
14d96260 DA |
2188 | if (res != 0) |
2189 | dprintk(4, "s2255: read callback failed\n"); | |
38f993ad DA |
2190 | |
2191 | dprintk(50, "callback read video done\n"); | |
2192 | return; | |
2193 | } | |
2194 | ||
2195 | static long s2255_vendor_req(struct s2255_dev *dev, unsigned char Request, | |
2196 | u16 Index, u16 Value, void *TransferBuffer, | |
2197 | s32 TransferBufferLength, int bOut) | |
2198 | { | |
2199 | int r; | |
2200 | if (!bOut) { | |
2201 | r = usb_control_msg(dev->udev, usb_rcvctrlpipe(dev->udev, 0), | |
2202 | Request, | |
2203 | USB_TYPE_VENDOR | USB_RECIP_DEVICE | | |
2204 | USB_DIR_IN, | |
2205 | Value, Index, TransferBuffer, | |
2206 | TransferBufferLength, HZ * 5); | |
2207 | } else { | |
2208 | r = usb_control_msg(dev->udev, usb_sndctrlpipe(dev->udev, 0), | |
2209 | Request, USB_TYPE_VENDOR | USB_RECIP_DEVICE, | |
2210 | Value, Index, TransferBuffer, | |
2211 | TransferBufferLength, HZ * 5); | |
2212 | } | |
2213 | return r; | |
2214 | } | |
2215 | ||
2216 | /* | |
2217 | * retrieve FX2 firmware version. future use. | |
2218 | * @param dev pointer to device extension | |
2219 | * @return -1 for fail, else returns firmware version as an int(16 bits) | |
2220 | */ | |
2221 | static int s2255_get_fx2fw(struct s2255_dev *dev) | |
2222 | { | |
2223 | int fw; | |
2224 | int ret; | |
2225 | unsigned char transBuffer[64]; | |
2226 | ret = s2255_vendor_req(dev, S2255_VR_FW, 0, 0, transBuffer, 2, | |
2227 | S2255_VR_IN); | |
2228 | if (ret < 0) | |
2229 | dprintk(2, "get fw error: %x\n", ret); | |
2230 | fw = transBuffer[0] + (transBuffer[1] << 8); | |
2231 | dprintk(2, "Get FW %x %x\n", transBuffer[0], transBuffer[1]); | |
2232 | return fw; | |
2233 | } | |
2234 | ||
2235 | /* | |
2236 | * Create the system ring buffer to copy frames into from the | |
2237 | * usb read pipe. | |
2238 | */ | |
fe85ce90 | 2239 | static int s2255_create_sys_buffers(struct s2255_channel *channel) |
38f993ad DA |
2240 | { |
2241 | unsigned long i; | |
2242 | unsigned long reqsize; | |
2243 | dprintk(1, "create sys buffers\n"); | |
fe85ce90 | 2244 | channel->buffer.dwFrames = SYS_FRAMES; |
38f993ad DA |
2245 | /* always allocate maximum size(PAL) for system buffers */ |
2246 | reqsize = SYS_FRAMES_MAXSIZE; | |
2247 | ||
2248 | if (reqsize > SYS_FRAMES_MAXSIZE) | |
2249 | reqsize = SYS_FRAMES_MAXSIZE; | |
2250 | ||
2251 | for (i = 0; i < SYS_FRAMES; i++) { | |
2252 | /* allocate the frames */ | |
fe85ce90 DA |
2253 | channel->buffer.frame[i].lpvbits = vmalloc(reqsize); |
2254 | dprintk(1, "valloc %p chan %d, idx %lu, pdata %p\n", | |
2255 | &channel->buffer.frame[i], channel->idx, i, | |
2256 | channel->buffer.frame[i].lpvbits); | |
2257 | channel->buffer.frame[i].size = reqsize; | |
2258 | if (channel->buffer.frame[i].lpvbits == NULL) { | |
38f993ad | 2259 | printk(KERN_INFO "out of memory. using less frames\n"); |
fe85ce90 | 2260 | channel->buffer.dwFrames = i; |
38f993ad DA |
2261 | break; |
2262 | } | |
2263 | } | |
2264 | ||
2265 | /* make sure internal states are set */ | |
2266 | for (i = 0; i < SYS_FRAMES; i++) { | |
fe85ce90 DA |
2267 | channel->buffer.frame[i].ulState = 0; |
2268 | channel->buffer.frame[i].cur_size = 0; | |
38f993ad DA |
2269 | } |
2270 | ||
fe85ce90 DA |
2271 | channel->cur_frame = 0; |
2272 | channel->last_frame = -1; | |
38f993ad DA |
2273 | return 0; |
2274 | } | |
2275 | ||
fe85ce90 | 2276 | static int s2255_release_sys_buffers(struct s2255_channel *channel) |
38f993ad DA |
2277 | { |
2278 | unsigned long i; | |
2279 | dprintk(1, "release sys buffers\n"); | |
2280 | for (i = 0; i < SYS_FRAMES; i++) { | |
fe85ce90 | 2281 | if (channel->buffer.frame[i].lpvbits) { |
38f993ad | 2282 | dprintk(1, "vfree %p\n", |
fe85ce90 DA |
2283 | channel->buffer.frame[i].lpvbits); |
2284 | vfree(channel->buffer.frame[i].lpvbits); | |
38f993ad | 2285 | } |
fe85ce90 | 2286 | channel->buffer.frame[i].lpvbits = NULL; |
38f993ad DA |
2287 | } |
2288 | return 0; | |
2289 | } | |
2290 | ||
2291 | static int s2255_board_init(struct s2255_dev *dev) | |
2292 | { | |
38f993ad DA |
2293 | struct s2255_mode mode_def = DEF_MODEI_NTSC_CONT; |
2294 | int fw_ver; | |
ab85c6a3 DA |
2295 | int j; |
2296 | struct s2255_pipeinfo *pipe = &dev->pipe; | |
38f993ad | 2297 | dprintk(4, "board init: %p", dev); |
ab85c6a3 DA |
2298 | memset(pipe, 0, sizeof(*pipe)); |
2299 | pipe->dev = dev; | |
2300 | pipe->cur_transfer_size = S2255_USB_XFER_SIZE; | |
2301 | pipe->max_transfer_size = S2255_USB_XFER_SIZE; | |
2302 | ||
2303 | pipe->transfer_buffer = kzalloc(pipe->max_transfer_size, | |
2304 | GFP_KERNEL); | |
2305 | if (pipe->transfer_buffer == NULL) { | |
2306 | dprintk(1, "out of memory!\n"); | |
2307 | return -ENOMEM; | |
38f993ad | 2308 | } |
38f993ad DA |
2309 | /* query the firmware */ |
2310 | fw_ver = s2255_get_fx2fw(dev); | |
2311 | ||
abce21f4 DA |
2312 | printk(KERN_INFO "2255 usb firmware version %d.%d\n", |
2313 | (fw_ver >> 8) & 0xff, | |
2314 | fw_ver & 0xff); | |
2315 | ||
2316 | if (fw_ver < S2255_CUR_USB_FWVER) | |
be9ed511 | 2317 | dev_err(&dev->udev->dev, |
abce21f4 DA |
2318 | "usb firmware not up to date %d.%d\n", |
2319 | (fw_ver >> 8) & 0xff, | |
2320 | fw_ver & 0xff); | |
38f993ad DA |
2321 | |
2322 | for (j = 0; j < MAX_CHANNELS; j++) { | |
fe85ce90 DA |
2323 | struct s2255_channel *channel = &dev->channel[j]; |
2324 | channel->b_acquire = 0; | |
2325 | channel->mode = mode_def; | |
5a34d9df | 2326 | if (dev->pid == 0x2257 && j > 1) |
fe85ce90 DA |
2327 | channel->mode.color |= (1 << 16); |
2328 | channel->jc.quality = S2255_DEF_JPEG_QUAL; | |
2329 | channel->width = LINE_SZ_4CIFS_NTSC; | |
2330 | channel->height = NUM_LINES_4CIFS_NTSC * 2; | |
2331 | channel->fmt = &formats[0]; | |
2332 | channel->mode.restart = 1; | |
2333 | channel->req_image_size = get_transfer_size(&mode_def); | |
2334 | channel->frame_count = 0; | |
38f993ad | 2335 | /* create the system buffers */ |
fe85ce90 | 2336 | s2255_create_sys_buffers(channel); |
38f993ad DA |
2337 | } |
2338 | /* start read pipe */ | |
2339 | s2255_start_readpipe(dev); | |
85b85482 | 2340 | dprintk(1, "%s: success\n", __func__); |
38f993ad DA |
2341 | return 0; |
2342 | } | |
2343 | ||
2344 | static int s2255_board_shutdown(struct s2255_dev *dev) | |
2345 | { | |
2346 | u32 i; | |
85b85482 | 2347 | dprintk(1, "%s: dev: %p", __func__, dev); |
38f993ad DA |
2348 | |
2349 | for (i = 0; i < MAX_CHANNELS; i++) { | |
fe85ce90 DA |
2350 | if (dev->channel[i].b_acquire) |
2351 | s2255_stop_acquire(&dev->channel[i]); | |
38f993ad | 2352 | } |
38f993ad | 2353 | s2255_stop_readpipe(dev); |
38f993ad | 2354 | for (i = 0; i < MAX_CHANNELS; i++) |
fe85ce90 | 2355 | s2255_release_sys_buffers(&dev->channel[i]); |
ab85c6a3 DA |
2356 | /* release transfer buffer */ |
2357 | kfree(dev->pipe.transfer_buffer); | |
38f993ad DA |
2358 | return 0; |
2359 | } | |
2360 | ||
2361 | static void read_pipe_completion(struct urb *purb) | |
2362 | { | |
2363 | struct s2255_pipeinfo *pipe_info; | |
2364 | struct s2255_dev *dev; | |
2365 | int status; | |
2366 | int pipe; | |
38f993ad | 2367 | pipe_info = purb->context; |
85b85482 | 2368 | dprintk(100, "%s: urb:%p, status %d\n", __func__, purb, |
38f993ad DA |
2369 | purb->status); |
2370 | if (pipe_info == NULL) { | |
be9ed511 | 2371 | dev_err(&purb->dev->dev, "no context!\n"); |
38f993ad DA |
2372 | return; |
2373 | } | |
2374 | ||
2375 | dev = pipe_info->dev; | |
2376 | if (dev == NULL) { | |
be9ed511 | 2377 | dev_err(&purb->dev->dev, "no context!\n"); |
38f993ad DA |
2378 | return; |
2379 | } | |
2380 | status = purb->status; | |
b02064ca DA |
2381 | /* if shutting down, do not resubmit, exit immediately */ |
2382 | if (status == -ESHUTDOWN) { | |
85b85482 | 2383 | dprintk(2, "%s: err shutdown\n", __func__); |
b02064ca | 2384 | pipe_info->err_count++; |
38f993ad DA |
2385 | return; |
2386 | } | |
2387 | ||
2388 | if (pipe_info->state == 0) { | |
85b85482 | 2389 | dprintk(2, "%s: exiting USB pipe", __func__); |
38f993ad DA |
2390 | return; |
2391 | } | |
2392 | ||
b02064ca DA |
2393 | if (status == 0) |
2394 | s2255_read_video_callback(dev, pipe_info); | |
2395 | else { | |
2396 | pipe_info->err_count++; | |
85b85482 | 2397 | dprintk(1, "%s: failed URB %d\n", __func__, status); |
b02064ca | 2398 | } |
38f993ad | 2399 | |
38f993ad DA |
2400 | pipe = usb_rcvbulkpipe(dev->udev, dev->read_endpoint); |
2401 | /* reuse urb */ | |
2402 | usb_fill_bulk_urb(pipe_info->stream_urb, dev->udev, | |
2403 | pipe, | |
2404 | pipe_info->transfer_buffer, | |
2405 | pipe_info->cur_transfer_size, | |
2406 | read_pipe_completion, pipe_info); | |
2407 | ||
2408 | if (pipe_info->state != 0) { | |
2409 | if (usb_submit_urb(pipe_info->stream_urb, GFP_KERNEL)) { | |
2410 | dev_err(&dev->udev->dev, "error submitting urb\n"); | |
38f993ad DA |
2411 | } |
2412 | } else { | |
85b85482 | 2413 | dprintk(2, "%s :complete state 0\n", __func__); |
38f993ad DA |
2414 | } |
2415 | return; | |
2416 | } | |
2417 | ||
2418 | static int s2255_start_readpipe(struct s2255_dev *dev) | |
2419 | { | |
2420 | int pipe; | |
2421 | int retval; | |
ab85c6a3 | 2422 | struct s2255_pipeinfo *pipe_info = &dev->pipe; |
38f993ad | 2423 | pipe = usb_rcvbulkpipe(dev->udev, dev->read_endpoint); |
85b85482 | 2424 | dprintk(2, "%s: IN %d\n", __func__, dev->read_endpoint); |
ab85c6a3 DA |
2425 | pipe_info->state = 1; |
2426 | pipe_info->err_count = 0; | |
2427 | pipe_info->stream_urb = usb_alloc_urb(0, GFP_KERNEL); | |
2428 | if (!pipe_info->stream_urb) { | |
2429 | dev_err(&dev->udev->dev, | |
2430 | "ReadStream: Unable to alloc URB\n"); | |
2431 | return -ENOMEM; | |
38f993ad | 2432 | } |
ab85c6a3 DA |
2433 | /* transfer buffer allocated in board_init */ |
2434 | usb_fill_bulk_urb(pipe_info->stream_urb, dev->udev, | |
2435 | pipe, | |
2436 | pipe_info->transfer_buffer, | |
2437 | pipe_info->cur_transfer_size, | |
2438 | read_pipe_completion, pipe_info); | |
ab85c6a3 DA |
2439 | retval = usb_submit_urb(pipe_info->stream_urb, GFP_KERNEL); |
2440 | if (retval) { | |
2441 | printk(KERN_ERR "s2255: start read pipe failed\n"); | |
2442 | return retval; | |
2443 | } | |
38f993ad DA |
2444 | return 0; |
2445 | } | |
2446 | ||
2447 | /* starts acquisition process */ | |
fe85ce90 | 2448 | static int s2255_start_acquire(struct s2255_channel *channel) |
38f993ad DA |
2449 | { |
2450 | unsigned char *buffer; | |
2451 | int res; | |
2452 | unsigned long chn_rev; | |
2453 | int j; | |
fe85ce90 DA |
2454 | struct s2255_dev *dev = to_s2255_dev(channel->vdev.v4l2_dev); |
2455 | chn_rev = G_chnmap[channel->idx]; | |
38f993ad DA |
2456 | buffer = kzalloc(512, GFP_KERNEL); |
2457 | if (buffer == NULL) { | |
2458 | dev_err(&dev->udev->dev, "out of mem\n"); | |
2459 | return -ENOMEM; | |
2460 | } | |
2461 | ||
fe85ce90 DA |
2462 | channel->last_frame = -1; |
2463 | channel->bad_payload = 0; | |
2464 | channel->cur_frame = 0; | |
38f993ad | 2465 | for (j = 0; j < SYS_FRAMES; j++) { |
fe85ce90 DA |
2466 | channel->buffer.frame[j].ulState = 0; |
2467 | channel->buffer.frame[j].cur_size = 0; | |
38f993ad DA |
2468 | } |
2469 | ||
2470 | /* send the start command */ | |
3fa00605 DA |
2471 | *(__le32 *) buffer = IN_DATA_TOKEN; |
2472 | *((__le32 *) buffer + 1) = (__le32) cpu_to_le32(chn_rev); | |
2473 | *((__le32 *) buffer + 2) = CMD_START; | |
38f993ad DA |
2474 | res = s2255_write_config(dev->udev, (unsigned char *)buffer, 512); |
2475 | if (res != 0) | |
2476 | dev_err(&dev->udev->dev, "CMD_START error\n"); | |
2477 | ||
fe85ce90 | 2478 | dprintk(2, "start acquire exit[%d] %d \n", channel->idx, res); |
38f993ad DA |
2479 | kfree(buffer); |
2480 | return 0; | |
2481 | } | |
2482 | ||
fe85ce90 | 2483 | static int s2255_stop_acquire(struct s2255_channel *channel) |
38f993ad DA |
2484 | { |
2485 | unsigned char *buffer; | |
2486 | int res; | |
2487 | unsigned long chn_rev; | |
fe85ce90 DA |
2488 | struct s2255_dev *dev = to_s2255_dev(channel->vdev.v4l2_dev); |
2489 | chn_rev = G_chnmap[channel->idx]; | |
38f993ad DA |
2490 | buffer = kzalloc(512, GFP_KERNEL); |
2491 | if (buffer == NULL) { | |
2492 | dev_err(&dev->udev->dev, "out of mem\n"); | |
2493 | return -ENOMEM; | |
2494 | } | |
38f993ad | 2495 | /* send the stop command */ |
3fa00605 DA |
2496 | *(__le32 *) buffer = IN_DATA_TOKEN; |
2497 | *((__le32 *) buffer + 1) = (__le32) cpu_to_le32(chn_rev); | |
2498 | *((__le32 *) buffer + 2) = CMD_STOP; | |
38f993ad | 2499 | res = s2255_write_config(dev->udev, (unsigned char *)buffer, 512); |
38f993ad DA |
2500 | if (res != 0) |
2501 | dev_err(&dev->udev->dev, "CMD_STOP error\n"); | |
38f993ad | 2502 | kfree(buffer); |
fe85ce90 DA |
2503 | channel->b_acquire = 0; |
2504 | dprintk(4, "%s: chn %d, res %d\n", __func__, channel->idx, res); | |
14d96260 | 2505 | return res; |
38f993ad DA |
2506 | } |
2507 | ||
2508 | static void s2255_stop_readpipe(struct s2255_dev *dev) | |
2509 | { | |
ab85c6a3 | 2510 | struct s2255_pipeinfo *pipe = &dev->pipe; |
8b661b50 | 2511 | |
ab85c6a3 DA |
2512 | pipe->state = 0; |
2513 | if (pipe->stream_urb) { | |
2514 | /* cancel urb */ | |
2515 | usb_kill_urb(pipe->stream_urb); | |
2516 | usb_free_urb(pipe->stream_urb); | |
2517 | pipe->stream_urb = NULL; | |
38f993ad | 2518 | } |
ab85c6a3 | 2519 | dprintk(4, "%s", __func__); |
38f993ad DA |
2520 | return; |
2521 | } | |
2522 | ||
14d96260 | 2523 | static void s2255_fwload_start(struct s2255_dev *dev, int reset) |
38f993ad | 2524 | { |
14d96260 DA |
2525 | if (reset) |
2526 | s2255_reset_dsppower(dev); | |
38f993ad DA |
2527 | dev->fw_data->fw_size = dev->fw_data->fw->size; |
2528 | atomic_set(&dev->fw_data->fw_state, S2255_FW_NOTLOADED); | |
2529 | memcpy(dev->fw_data->pfw_data, | |
2530 | dev->fw_data->fw->data, CHUNK_SIZE); | |
2531 | dev->fw_data->fw_loaded = CHUNK_SIZE; | |
2532 | usb_fill_bulk_urb(dev->fw_data->fw_urb, dev->udev, | |
2533 | usb_sndbulkpipe(dev->udev, 2), | |
2534 | dev->fw_data->pfw_data, | |
2535 | CHUNK_SIZE, s2255_fwchunk_complete, | |
2536 | dev->fw_data); | |
2537 | mod_timer(&dev->timer, jiffies + HZ); | |
2538 | } | |
2539 | ||
2540 | /* standard usb probe function */ | |
2541 | static int s2255_probe(struct usb_interface *interface, | |
2542 | const struct usb_device_id *id) | |
2543 | { | |
2544 | struct s2255_dev *dev = NULL; | |
2545 | struct usb_host_interface *iface_desc; | |
2546 | struct usb_endpoint_descriptor *endpoint; | |
2547 | int i; | |
2548 | int retval = -ENOMEM; | |
14d96260 DA |
2549 | __le32 *pdata; |
2550 | int fw_size; | |
85b85482 | 2551 | dprintk(2, "%s\n", __func__); |
38f993ad DA |
2552 | /* allocate memory for our device state and initialize it to zero */ |
2553 | dev = kzalloc(sizeof(struct s2255_dev), GFP_KERNEL); | |
2554 | if (dev == NULL) { | |
be9ed511 | 2555 | s2255_dev_err(&interface->dev, "out of memory\n"); |
ff7e22df | 2556 | return -ENOMEM; |
38f993ad | 2557 | } |
fe85ce90 | 2558 | atomic_set(&dev->num_channels, 0); |
5a34d9df | 2559 | dev->pid = id->idProduct; |
38f993ad DA |
2560 | dev->fw_data = kzalloc(sizeof(struct s2255_fw), GFP_KERNEL); |
2561 | if (!dev->fw_data) | |
ff7e22df | 2562 | goto errorFWDATA1; |
38f993ad DA |
2563 | mutex_init(&dev->lock); |
2564 | mutex_init(&dev->open_lock); | |
38f993ad DA |
2565 | /* grab usb_device and save it */ |
2566 | dev->udev = usb_get_dev(interface_to_usbdev(interface)); | |
2567 | if (dev->udev == NULL) { | |
2568 | dev_err(&interface->dev, "null usb device\n"); | |
2569 | retval = -ENODEV; | |
ff7e22df | 2570 | goto errorUDEV; |
38f993ad | 2571 | } |
d62e85a0 | 2572 | dprintk(1, "dev: %p, udev %p interface %p\n", dev, |
38f993ad DA |
2573 | dev->udev, interface); |
2574 | dev->interface = interface; | |
2575 | /* set up the endpoint information */ | |
2576 | iface_desc = interface->cur_altsetting; | |
2577 | dprintk(1, "num endpoints %d\n", iface_desc->desc.bNumEndpoints); | |
2578 | for (i = 0; i < iface_desc->desc.bNumEndpoints; ++i) { | |
2579 | endpoint = &iface_desc->endpoint[i].desc; | |
2580 | if (!dev->read_endpoint && usb_endpoint_is_bulk_in(endpoint)) { | |
2581 | /* we found the bulk in endpoint */ | |
2582 | dev->read_endpoint = endpoint->bEndpointAddress; | |
2583 | } | |
2584 | } | |
2585 | ||
2586 | if (!dev->read_endpoint) { | |
be9ed511 | 2587 | dev_err(&interface->dev, "Could not find bulk-in endpoint\n"); |
ff7e22df | 2588 | goto errorEP; |
38f993ad | 2589 | } |
38f993ad DA |
2590 | init_timer(&dev->timer); |
2591 | dev->timer.function = s2255_timer; | |
2592 | dev->timer.data = (unsigned long)dev->fw_data; | |
38f993ad | 2593 | init_waitqueue_head(&dev->fw_data->wait_fw); |
4de39f5d | 2594 | for (i = 0; i < MAX_CHANNELS; i++) { |
fe85ce90 DA |
2595 | struct s2255_channel *channel = &dev->channel[i]; |
2596 | dev->channel[i].idx = i; | |
2597 | init_waitqueue_head(&channel->wait_setmode); | |
2598 | init_waitqueue_head(&channel->wait_vidstatus); | |
4de39f5d | 2599 | } |
38f993ad DA |
2600 | |
2601 | dev->fw_data->fw_urb = usb_alloc_urb(0, GFP_KERNEL); | |
38f993ad DA |
2602 | if (!dev->fw_data->fw_urb) { |
2603 | dev_err(&interface->dev, "out of memory!\n"); | |
ff7e22df | 2604 | goto errorFWURB; |
38f993ad | 2605 | } |
ff7e22df | 2606 | |
38f993ad DA |
2607 | dev->fw_data->pfw_data = kzalloc(CHUNK_SIZE, GFP_KERNEL); |
2608 | if (!dev->fw_data->pfw_data) { | |
2609 | dev_err(&interface->dev, "out of memory!\n"); | |
ff7e22df | 2610 | goto errorFWDATA2; |
38f993ad DA |
2611 | } |
2612 | /* load the first chunk */ | |
2613 | if (request_firmware(&dev->fw_data->fw, | |
2614 | FIRMWARE_FILE_NAME, &dev->udev->dev)) { | |
2615 | printk(KERN_ERR "sensoray 2255 failed to get firmware\n"); | |
ff7e22df | 2616 | goto errorREQFW; |
38f993ad | 2617 | } |
14d96260 DA |
2618 | /* check the firmware is valid */ |
2619 | fw_size = dev->fw_data->fw->size; | |
2620 | pdata = (__le32 *) &dev->fw_data->fw->data[fw_size - 8]; | |
38f993ad | 2621 | |
14d96260 DA |
2622 | if (*pdata != S2255_FW_MARKER) { |
2623 | printk(KERN_INFO "Firmware invalid.\n"); | |
2624 | retval = -ENODEV; | |
ff7e22df | 2625 | goto errorFWMARKER; |
14d96260 DA |
2626 | } else { |
2627 | /* make sure firmware is the latest */ | |
2628 | __le32 *pRel; | |
2629 | pRel = (__le32 *) &dev->fw_data->fw->data[fw_size - 4]; | |
2630 | printk(KERN_INFO "s2255 dsp fw version %x\n", *pRel); | |
4de39f5d DA |
2631 | dev->dsp_fw_ver = *pRel; |
2632 | if (*pRel < S2255_CUR_DSP_FWVER) | |
2633 | printk(KERN_INFO "s2255: f2255usb.bin out of date.\n"); | |
5a34d9df | 2634 | if (dev->pid == 0x2257 && *pRel < S2255_MIN_DSP_COLORFILTER) |
ff7e22df | 2635 | printk(KERN_WARNING "s2255: 2257 requires firmware %d" |
fe85ce90 | 2636 | " or above.\n", S2255_MIN_DSP_COLORFILTER); |
14d96260 | 2637 | } |
14d96260 | 2638 | usb_reset_device(dev->udev); |
38f993ad | 2639 | /* load 2255 board specific */ |
abce21f4 DA |
2640 | retval = s2255_board_init(dev); |
2641 | if (retval) | |
ff7e22df | 2642 | goto errorBOARDINIT; |
38f993ad | 2643 | spin_lock_init(&dev->slock); |
14d96260 | 2644 | s2255_fwload_start(dev, 0); |
ff7e22df DA |
2645 | /* loads v4l specific */ |
2646 | retval = s2255_probe_v4l(dev); | |
2647 | if (retval) | |
3a67b5cc | 2648 | goto errorBOARDINIT; |
38f993ad DA |
2649 | dev_info(&interface->dev, "Sensoray 2255 detected\n"); |
2650 | return 0; | |
ff7e22df DA |
2651 | errorBOARDINIT: |
2652 | s2255_board_shutdown(dev); | |
2653 | errorFWMARKER: | |
2654 | release_firmware(dev->fw_data->fw); | |
2655 | errorREQFW: | |
2656 | kfree(dev->fw_data->pfw_data); | |
2657 | errorFWDATA2: | |
2658 | usb_free_urb(dev->fw_data->fw_urb); | |
2659 | errorFWURB: | |
2660 | del_timer(&dev->timer); | |
2661 | errorEP: | |
2662 | usb_put_dev(dev->udev); | |
2663 | errorUDEV: | |
2664 | kfree(dev->fw_data); | |
2665 | mutex_destroy(&dev->open_lock); | |
2666 | mutex_destroy(&dev->lock); | |
2667 | errorFWDATA1: | |
2668 | kfree(dev); | |
2669 | printk(KERN_WARNING "Sensoray 2255 driver load failed: 0x%x\n", retval); | |
38f993ad DA |
2670 | return retval; |
2671 | } | |
2672 | ||
2673 | /* disconnect routine. when board is removed physically or with rmmod */ | |
2674 | static void s2255_disconnect(struct usb_interface *interface) | |
2675 | { | |
65c6edb3 | 2676 | struct s2255_dev *dev = to_s2255_dev(usb_get_intfdata(interface)); |
14d96260 | 2677 | int i; |
fe85ce90 DA |
2678 | int channels = atomic_read(&dev->num_channels); |
2679 | v4l2_device_disconnect(&dev->v4l2_dev); | |
d62e85a0 | 2680 | /*see comments in the uvc_driver.c usb disconnect function */ |
fe85ce90 | 2681 | atomic_inc(&dev->num_channels); |
ff7e22df | 2682 | /* unregister each video device. */ |
fe85ce90 DA |
2683 | for (i = 0; i < channels; i++) |
2684 | video_unregister_device(&dev->channel[i].vdev); | |
ff7e22df | 2685 | /* wake up any of our timers */ |
14d96260 DA |
2686 | atomic_set(&dev->fw_data->fw_state, S2255_FW_DISCONNECTING); |
2687 | wake_up(&dev->fw_data->wait_fw); | |
2688 | for (i = 0; i < MAX_CHANNELS; i++) { | |
fe85ce90 DA |
2689 | dev->channel[i].setmode_ready = 1; |
2690 | wake_up(&dev->channel[i].wait_setmode); | |
2691 | dev->channel[i].vidstatus_ready = 1; | |
2692 | wake_up(&dev->channel[i].wait_vidstatus); | |
14d96260 | 2693 | } |
fe85ce90 | 2694 | if (atomic_dec_and_test(&dev->num_channels)) |
d62e85a0 | 2695 | s2255_destroy(dev); |
ff7e22df | 2696 | dev_info(&interface->dev, "%s\n", __func__); |
38f993ad DA |
2697 | } |
2698 | ||
2699 | static struct usb_driver s2255_driver = { | |
be9ed511 | 2700 | .name = S2255_DRIVER_NAME, |
38f993ad DA |
2701 | .probe = s2255_probe, |
2702 | .disconnect = s2255_disconnect, | |
2703 | .id_table = s2255_table, | |
2704 | }; | |
2705 | ||
2706 | static int __init usb_s2255_init(void) | |
2707 | { | |
2708 | int result; | |
38f993ad DA |
2709 | /* register this driver with the USB subsystem */ |
2710 | result = usb_register(&s2255_driver); | |
38f993ad | 2711 | if (result) |
be9ed511 | 2712 | pr_err(KBUILD_MODNAME |
ff7e22df DA |
2713 | ": usb_register failed. Error number %d\n", result); |
2714 | dprintk(2, "%s\n", __func__); | |
38f993ad DA |
2715 | return result; |
2716 | } | |
2717 | ||
2718 | static void __exit usb_s2255_exit(void) | |
2719 | { | |
2720 | usb_deregister(&s2255_driver); | |
2721 | } | |
2722 | ||
2723 | module_init(usb_s2255_init); | |
2724 | module_exit(usb_s2255_exit); | |
2725 | ||
2726 | MODULE_DESCRIPTION("Sensoray 2255 Video for Linux driver"); | |
2727 | MODULE_AUTHOR("Dean Anderson (Sensoray Company Inc.)"); | |
2728 | MODULE_LICENSE("GPL"); |