Commit | Line | Data |
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38f993ad DA |
1 | /* |
2 | * s2255drv.c - a driver for the Sensoray 2255 USB video capture device | |
3 | * | |
d86c6a8c | 4 | * Copyright (C) 2007-2014 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 | |
38f993ad | 19 | * -full or half size Grey scale: all 4 channels at once |
38f993ad | 20 | * -half size, color mode YUYV or YUV422P: all 4 channels at once |
38f993ad DA |
21 | * -full size, color mode YUYV or YUV422P 1/2 frame rate: all 4 channels |
22 | * at once. | |
38f993ad DA |
23 | * |
24 | * This program is free software; you can redistribute it and/or modify | |
25 | * it under the terms of the GNU General Public License as published by | |
26 | * the Free Software Foundation; either version 2 of the License, or | |
27 | * (at your option) any later version. | |
28 | * | |
29 | * This program is distributed in the hope that it will be useful, | |
30 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
31 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
32 | * GNU General Public License for more details. | |
33 | * | |
34 | * You should have received a copy of the GNU General Public License | |
35 | * along with this program; if not, write to the Free Software | |
36 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. | |
37 | */ | |
38 | ||
39 | #include <linux/module.h> | |
40 | #include <linux/firmware.h> | |
41 | #include <linux/kernel.h> | |
42 | #include <linux/mutex.h> | |
5a0e3ad6 | 43 | #include <linux/slab.h> |
38f993ad | 44 | #include <linux/videodev2.h> |
feb75f07 | 45 | #include <linux/mm.h> |
44d06d82 HV |
46 | #include <linux/vmalloc.h> |
47 | #include <linux/usb.h> | |
2d700715 | 48 | #include <media/videobuf2-v4l2.h> |
340a30c5 | 49 | #include <media/videobuf2-vmalloc.h> |
38f993ad | 50 | #include <media/v4l2-common.h> |
3a67b5cc | 51 | #include <media/v4l2-device.h> |
35ea11ff | 52 | #include <media/v4l2-ioctl.h> |
192f1e78 | 53 | #include <media/v4l2-ctrls.h> |
44d06d82 | 54 | #include <media/v4l2-event.h> |
38f993ad | 55 | |
340a30c5 | 56 | #define S2255_VERSION "1.25.1" |
38f993ad DA |
57 | #define FIRMWARE_FILE_NAME "f2255usb.bin" |
58 | ||
22b88d48 DA |
59 | /* default JPEG quality */ |
60 | #define S2255_DEF_JPEG_QUAL 50 | |
38f993ad DA |
61 | /* vendor request in */ |
62 | #define S2255_VR_IN 0 | |
63 | /* vendor request out */ | |
64 | #define S2255_VR_OUT 1 | |
65 | /* firmware query */ | |
66 | #define S2255_VR_FW 0x30 | |
67 | /* USB endpoint number for configuring the device */ | |
68 | #define S2255_CONFIG_EP 2 | |
69 | /* maximum time for DSP to start responding after last FW word loaded(ms) */ | |
14d96260 | 70 | #define S2255_DSP_BOOTTIME 800 |
38f993ad | 71 | /* maximum time to wait for firmware to load (ms) */ |
3f8d6f73 | 72 | #define S2255_LOAD_TIMEOUT (5000 + S2255_DSP_BOOTTIME) |
9da62eb0 | 73 | #define S2255_MIN_BUFS 2 |
14d96260 | 74 | #define S2255_SETMODE_TIMEOUT 500 |
4de39f5d | 75 | #define S2255_VIDSTATUS_TIMEOUT 350 |
3fa00605 DA |
76 | #define S2255_MARKER_FRAME cpu_to_le32(0x2255DA4AL) |
77 | #define S2255_MARKER_RESPONSE cpu_to_le32(0x2255ACACL) | |
78 | #define S2255_RESPONSE_SETMODE cpu_to_le32(0x01) | |
79 | #define S2255_RESPONSE_FW cpu_to_le32(0x10) | |
80 | #define S2255_RESPONSE_STATUS cpu_to_le32(0x20) | |
14d96260 | 81 | #define S2255_USB_XFER_SIZE (16 * 1024) |
38f993ad | 82 | #define MAX_CHANNELS 4 |
38f993ad DA |
83 | #define SYS_FRAMES 4 |
84 | /* maximum size is PAL full size plus room for the marker header(s) */ | |
14d96260 DA |
85 | #define SYS_FRAMES_MAXSIZE (720*288*2*2 + 4096) |
86 | #define DEF_USB_BLOCK S2255_USB_XFER_SIZE | |
38f993ad DA |
87 | #define LINE_SZ_4CIFS_NTSC 640 |
88 | #define LINE_SZ_2CIFS_NTSC 640 | |
89 | #define LINE_SZ_1CIFS_NTSC 320 | |
90 | #define LINE_SZ_4CIFS_PAL 704 | |
91 | #define LINE_SZ_2CIFS_PAL 704 | |
92 | #define LINE_SZ_1CIFS_PAL 352 | |
93 | #define NUM_LINES_4CIFS_NTSC 240 | |
94 | #define NUM_LINES_2CIFS_NTSC 240 | |
95 | #define NUM_LINES_1CIFS_NTSC 240 | |
96 | #define NUM_LINES_4CIFS_PAL 288 | |
97 | #define NUM_LINES_2CIFS_PAL 288 | |
98 | #define NUM_LINES_1CIFS_PAL 288 | |
99 | #define LINE_SZ_DEF 640 | |
100 | #define NUM_LINES_DEF 240 | |
101 | ||
102 | ||
103 | /* predefined settings */ | |
104 | #define FORMAT_NTSC 1 | |
105 | #define FORMAT_PAL 2 | |
106 | ||
107 | #define SCALE_4CIFS 1 /* 640x480(NTSC) or 704x576(PAL) */ | |
108 | #define SCALE_2CIFS 2 /* 640x240(NTSC) or 704x288(PAL) */ | |
109 | #define SCALE_1CIFS 3 /* 320x240(NTSC) or 352x288(PAL) */ | |
7d853532 DA |
110 | /* SCALE_4CIFSI is the 2 fields interpolated into one */ |
111 | #define SCALE_4CIFSI 4 /* 640x480(NTSC) or 704x576(PAL) high quality */ | |
38f993ad DA |
112 | |
113 | #define COLOR_YUVPL 1 /* YUV planar */ | |
114 | #define COLOR_YUVPK 2 /* YUV packed */ | |
115 | #define COLOR_Y8 4 /* monochrome */ | |
14d96260 | 116 | #define COLOR_JPG 5 /* JPEG */ |
38f993ad | 117 | |
5a34d9df DA |
118 | #define MASK_COLOR 0x000000ff |
119 | #define MASK_JPG_QUALITY 0x0000ff00 | |
120 | #define MASK_INPUT_TYPE 0x000f0000 | |
8a8cc952 | 121 | /* frame decimation. */ |
38f993ad DA |
122 | #define FDEC_1 1 /* capture every frame. default */ |
123 | #define FDEC_2 2 /* capture every 2nd frame */ | |
124 | #define FDEC_3 3 /* capture every 3rd frame */ | |
125 | #define FDEC_5 5 /* capture every 5th frame */ | |
126 | ||
127 | /*------------------------------------------------------- | |
128 | * Default mode parameters. | |
129 | *-------------------------------------------------------*/ | |
130 | #define DEF_SCALE SCALE_4CIFS | |
131 | #define DEF_COLOR COLOR_YUVPL | |
132 | #define DEF_FDEC FDEC_1 | |
133 | #define DEF_BRIGHT 0 | |
134 | #define DEF_CONTRAST 0x5c | |
135 | #define DEF_SATURATION 0x80 | |
136 | #define DEF_HUE 0 | |
137 | ||
138 | /* usb config commands */ | |
3fa00605 | 139 | #define IN_DATA_TOKEN cpu_to_le32(0x2255c0de) |
3b2a6306 | 140 | #define CMD_2255 0xc2255000 |
3fa00605 DA |
141 | #define CMD_SET_MODE cpu_to_le32((CMD_2255 | 0x10)) |
142 | #define CMD_START cpu_to_le32((CMD_2255 | 0x20)) | |
143 | #define CMD_STOP cpu_to_le32((CMD_2255 | 0x30)) | |
144 | #define CMD_STATUS cpu_to_le32((CMD_2255 | 0x40)) | |
38f993ad DA |
145 | |
146 | struct s2255_mode { | |
147 | u32 format; /* input video format (NTSC, PAL) */ | |
148 | u32 scale; /* output video scale */ | |
149 | u32 color; /* output video color format */ | |
150 | u32 fdec; /* frame decimation */ | |
151 | u32 bright; /* brightness */ | |
152 | u32 contrast; /* contrast */ | |
153 | u32 saturation; /* saturation */ | |
154 | u32 hue; /* hue (NTSC only)*/ | |
155 | u32 single; /* capture 1 frame at a time (!=0), continuously (==0)*/ | |
156 | u32 usb_block; /* block size. should be 4096 of DEF_USB_BLOCK */ | |
157 | u32 restart; /* if DSP requires restart */ | |
158 | }; | |
159 | ||
38f993ad | 160 | |
14d96260 DA |
161 | #define S2255_READ_IDLE 0 |
162 | #define S2255_READ_FRAME 1 | |
38f993ad | 163 | |
14d96260 | 164 | /* frame structure */ |
38f993ad DA |
165 | struct s2255_framei { |
166 | unsigned long size; | |
14d96260 | 167 | unsigned long ulState; /* ulState:S2255_READ_IDLE, S2255_READ_FRAME*/ |
38f993ad DA |
168 | void *lpvbits; /* image data */ |
169 | unsigned long cur_size; /* current data copied to it */ | |
170 | }; | |
171 | ||
172 | /* image buffer structure */ | |
173 | struct s2255_bufferi { | |
174 | unsigned long dwFrames; /* number of frames in buffer */ | |
175 | struct s2255_framei frame[SYS_FRAMES]; /* array of FRAME structures */ | |
176 | }; | |
177 | ||
178 | #define DEF_MODEI_NTSC_CONT {FORMAT_NTSC, DEF_SCALE, DEF_COLOR, \ | |
179 | DEF_FDEC, DEF_BRIGHT, DEF_CONTRAST, DEF_SATURATION, \ | |
3f8d6f73 | 180 | DEF_HUE, 0, DEF_USB_BLOCK, 0} |
38f993ad | 181 | |
38f993ad DA |
182 | /* for firmware loading, fw_state */ |
183 | #define S2255_FW_NOTLOADED 0 | |
184 | #define S2255_FW_LOADED_DSPWAIT 1 | |
185 | #define S2255_FW_SUCCESS 2 | |
186 | #define S2255_FW_FAILED 3 | |
f78d92c9 | 187 | #define S2255_FW_DISCONNECTING 4 |
deaf53e3 | 188 | #define S2255_FW_MARKER cpu_to_le32(0x22552f2f) |
14d96260 DA |
189 | /* 2255 read states */ |
190 | #define S2255_READ_IDLE 0 | |
191 | #define S2255_READ_FRAME 1 | |
38f993ad DA |
192 | struct s2255_fw { |
193 | int fw_loaded; | |
194 | int fw_size; | |
195 | struct urb *fw_urb; | |
196 | atomic_t fw_state; | |
197 | void *pfw_data; | |
198 | wait_queue_head_t wait_fw; | |
38f993ad DA |
199 | const struct firmware *fw; |
200 | }; | |
201 | ||
202 | struct s2255_pipeinfo { | |
203 | u32 max_transfer_size; | |
204 | u32 cur_transfer_size; | |
205 | u8 *transfer_buffer; | |
38f993ad | 206 | u32 state; |
38f993ad DA |
207 | void *stream_urb; |
208 | void *dev; /* back pointer to s2255_dev struct*/ | |
209 | u32 err_count; | |
38f993ad | 210 | u32 idx; |
38f993ad DA |
211 | }; |
212 | ||
213 | struct s2255_fmt; /*forward declaration */ | |
fe85ce90 DA |
214 | struct s2255_dev; |
215 | ||
5e950faf DA |
216 | /* 2255 video channel */ |
217 | struct s2255_vc { | |
f5402007 | 218 | struct s2255_dev *dev; |
fe85ce90 | 219 | struct video_device vdev; |
192f1e78 | 220 | struct v4l2_ctrl_handler hdl; |
7041dec7 | 221 | struct v4l2_ctrl *jpegqual_ctrl; |
fe85ce90 | 222 | int resources; |
d86c6a8c | 223 | struct list_head buf_list; |
fe85ce90 DA |
224 | struct s2255_bufferi buffer; |
225 | struct s2255_mode mode; | |
469af77a | 226 | v4l2_std_id std; |
fe85ce90 | 227 | /* jpeg compression */ |
7041dec7 | 228 | unsigned jpegqual; |
fe85ce90 DA |
229 | /* capture parameters (for high quality mode full size) */ |
230 | struct v4l2_captureparm cap_parm; | |
231 | int cur_frame; | |
232 | int last_frame; | |
fe85ce90 DA |
233 | /* allocated image size */ |
234 | unsigned long req_image_size; | |
235 | /* received packet size */ | |
236 | unsigned long pkt_size; | |
237 | int bad_payload; | |
238 | unsigned long frame_count; | |
239 | /* if JPEG image */ | |
240 | int jpg_size; | |
241 | /* if channel configured to default state */ | |
242 | int configured; | |
243 | wait_queue_head_t wait_setmode; | |
244 | int setmode_ready; | |
245 | /* video status items */ | |
246 | int vidstatus; | |
247 | wait_queue_head_t wait_vidstatus; | |
248 | int vidstatus_ready; | |
249 | unsigned int width; | |
250 | unsigned int height; | |
340a30c5 | 251 | enum v4l2_field field; |
fe85ce90 DA |
252 | const struct s2255_fmt *fmt; |
253 | int idx; /* channel number on device, 0-3 */ | |
340a30c5 | 254 | struct vb2_queue vb_vidq; |
255 | struct mutex vb_lock; /* streaming lock */ | |
256 | spinlock_t qlock; | |
fe85ce90 DA |
257 | }; |
258 | ||
38f993ad DA |
259 | |
260 | struct s2255_dev { | |
5e950faf | 261 | struct s2255_vc vc[MAX_CHANNELS]; |
f5402007 | 262 | struct v4l2_device v4l2_dev; |
fe85ce90 | 263 | atomic_t num_channels; |
38f993ad | 264 | int frames; |
a19a5cd7 | 265 | struct mutex lock; /* channels[].vdev.lock */ |
47d8c881 | 266 | struct mutex cmdlock; /* protects cmdbuf */ |
38f993ad DA |
267 | struct usb_device *udev; |
268 | struct usb_interface *interface; | |
269 | u8 read_endpoint; | |
38f993ad DA |
270 | struct timer_list timer; |
271 | struct s2255_fw *fw_data; | |
ab85c6a3 | 272 | struct s2255_pipeinfo pipe; |
38f993ad | 273 | u32 cc; /* current channel */ |
38f993ad | 274 | int frame_ready; |
14d96260 | 275 | int chn_ready; |
4de39f5d DA |
276 | /* dsp firmware version (f2255usb.bin) */ |
277 | int dsp_fw_ver; | |
5a34d9df | 278 | u16 pid; /* product id */ |
47d8c881 DA |
279 | #define S2255_CMDBUF_SIZE 512 |
280 | __le32 *cmdbuf; | |
38f993ad | 281 | }; |
65c6edb3 | 282 | |
65c6edb3 DA |
283 | static inline struct s2255_dev *to_s2255_dev(struct v4l2_device *v4l2_dev) |
284 | { | |
285 | return container_of(v4l2_dev, struct s2255_dev, v4l2_dev); | |
286 | } | |
38f993ad DA |
287 | |
288 | struct s2255_fmt { | |
289 | char *name; | |
290 | u32 fourcc; | |
291 | int depth; | |
292 | }; | |
293 | ||
294 | /* buffer for one video frame */ | |
295 | struct s2255_buffer { | |
296 | /* common v4l buffer stuff -- must be first */ | |
2d700715 | 297 | struct vb2_v4l2_buffer vb; |
340a30c5 | 298 | struct list_head list; |
38f993ad DA |
299 | }; |
300 | ||
38f993ad | 301 | |
abce21f4 | 302 | /* current cypress EEPROM firmware version */ |
8a8cc952 | 303 | #define S2255_CUR_USB_FWVER ((3 << 8) | 12) |
4de39f5d | 304 | /* current DSP FW version */ |
8a8cc952 | 305 | #define S2255_CUR_DSP_FWVER 10104 |
4de39f5d | 306 | /* Need DSP version 5+ for video status feature */ |
5a34d9df DA |
307 | #define S2255_MIN_DSP_STATUS 5 |
308 | #define S2255_MIN_DSP_COLORFILTER 8 | |
469af77a | 309 | #define S2255_NORMS (V4L2_STD_ALL) |
5a34d9df DA |
310 | |
311 | /* private V4L2 controls */ | |
312 | ||
313 | /* | |
314 | * The following chart displays how COLORFILTER should be set | |
315 | * ========================================================= | |
316 | * = fourcc = COLORFILTER = | |
317 | * = =============================== | |
318 | * = = 0 = 1 = | |
319 | * ========================================================= | |
320 | * = V4L2_PIX_FMT_GREY(Y8) = monochrome from = monochrome= | |
321 | * = = s-video or = composite = | |
322 | * = = B/W camera = input = | |
323 | * ========================================================= | |
324 | * = other = color, svideo = color, = | |
325 | * = = = composite = | |
326 | * ========================================================= | |
327 | * | |
328 | * Notes: | |
329 | * channels 0-3 on 2255 are composite | |
330 | * channels 0-1 on 2257 are composite, 2-3 are s-video | |
331 | * If COLORFILTER is 0 with a composite color camera connected, | |
332 | * the output will appear monochrome but hatching | |
333 | * will occur. | |
334 | * COLORFILTER is different from "color killer" and "color effects" | |
335 | * for reasons above. | |
336 | */ | |
337 | #define S2255_V4L2_YC_ON 1 | |
338 | #define S2255_V4L2_YC_OFF 0 | |
192f1e78 | 339 | #define V4L2_CID_S2255_COLORFILTER (V4L2_CID_USER_S2255_BASE + 0) |
5a34d9df | 340 | |
38f993ad DA |
341 | /* frame prefix size (sent once every frame) */ |
342 | #define PREFIX_SIZE 512 | |
343 | ||
344 | /* Channels on box are in reverse order */ | |
3f8d6f73 | 345 | static unsigned long G_chnmap[MAX_CHANNELS] = {3, 2, 1, 0}; |
38f993ad | 346 | |
38f993ad | 347 | static int debug; |
38f993ad DA |
348 | |
349 | static int s2255_start_readpipe(struct s2255_dev *dev); | |
350 | static void s2255_stop_readpipe(struct s2255_dev *dev); | |
5e950faf DA |
351 | static int s2255_start_acquire(struct s2255_vc *vc); |
352 | static int s2255_stop_acquire(struct s2255_vc *vc); | |
353 | static void s2255_fillbuff(struct s2255_vc *vc, struct s2255_buffer *buf, | |
fe85ce90 | 354 | int jpgsize); |
5e950faf | 355 | static int s2255_set_mode(struct s2255_vc *vc, struct s2255_mode *mode); |
38f993ad | 356 | static int s2255_board_shutdown(struct s2255_dev *dev); |
14d96260 | 357 | static void s2255_fwload_start(struct s2255_dev *dev, int reset); |
d62e85a0 | 358 | static void s2255_destroy(struct s2255_dev *dev); |
14d96260 DA |
359 | static long s2255_vendor_req(struct s2255_dev *dev, unsigned char req, |
360 | u16 index, u16 value, void *buf, | |
361 | s32 buf_len, int bOut); | |
38f993ad | 362 | |
be9ed511 MCC |
363 | /* dev_err macro with driver name */ |
364 | #define S2255_DRIVER_NAME "s2255" | |
365 | #define s2255_dev_err(dev, fmt, arg...) \ | |
366 | dev_err(dev, S2255_DRIVER_NAME " - " fmt, ##arg) | |
367 | ||
f5402007 | 368 | #define dprintk(dev, level, fmt, arg...) \ |
369 | v4l2_dbg(level, debug, &dev->v4l2_dev, fmt, ## arg) | |
38f993ad | 370 | |
38f993ad DA |
371 | static struct usb_driver s2255_driver; |
372 | ||
38f993ad DA |
373 | /* start video number */ |
374 | static int video_nr = -1; /* /dev/videoN, -1 for autodetect */ | |
375 | ||
e42e28f9 SLD |
376 | /* Enable jpeg capture. */ |
377 | static int jpeg_enable = 1; | |
378 | ||
3f8d6f73 | 379 | module_param(debug, int, 0644); |
38f993ad | 380 | MODULE_PARM_DESC(debug, "Debug level(0-100) default 0"); |
3f8d6f73 | 381 | module_param(video_nr, int, 0644); |
38f993ad | 382 | MODULE_PARM_DESC(video_nr, "start video minor(-1 default autodetect)"); |
e42e28f9 SLD |
383 | module_param(jpeg_enable, int, 0644); |
384 | MODULE_PARM_DESC(jpeg_enable, "Jpeg enable(1-on 0-off) default 1"); | |
38f993ad DA |
385 | |
386 | /* USB device table */ | |
5a34d9df | 387 | #define USB_SENSORAY_VID 0x1943 |
38f993ad | 388 | static struct usb_device_id s2255_table[] = { |
5a34d9df DA |
389 | {USB_DEVICE(USB_SENSORAY_VID, 0x2255)}, |
390 | {USB_DEVICE(USB_SENSORAY_VID, 0x2257)}, /*same family as 2255*/ | |
38f993ad DA |
391 | { } /* Terminating entry */ |
392 | }; | |
393 | MODULE_DEVICE_TABLE(usb, s2255_table); | |
394 | ||
38f993ad DA |
395 | #define BUFFER_TIMEOUT msecs_to_jiffies(400) |
396 | ||
38f993ad | 397 | /* image formats. */ |
e42e28f9 | 398 | /* JPEG formats must be defined last to support jpeg_enable parameter */ |
38f993ad DA |
399 | static const struct s2255_fmt formats[] = { |
400 | { | |
38f993ad DA |
401 | .name = "4:2:2, packed, YUYV", |
402 | .fourcc = V4L2_PIX_FMT_YUYV, | |
403 | .depth = 16 | |
404 | ||
405 | }, { | |
406 | .name = "4:2:2, packed, UYVY", | |
407 | .fourcc = V4L2_PIX_FMT_UYVY, | |
408 | .depth = 16 | |
5c632b22 HV |
409 | }, { |
410 | .name = "4:2:2, planar, YUV422P", | |
411 | .fourcc = V4L2_PIX_FMT_YUV422P, | |
412 | .depth = 16 | |
413 | ||
e42e28f9 SLD |
414 | }, { |
415 | .name = "8bpp GREY", | |
416 | .fourcc = V4L2_PIX_FMT_GREY, | |
417 | .depth = 8 | |
14d96260 DA |
418 | }, { |
419 | .name = "JPG", | |
420 | .fourcc = V4L2_PIX_FMT_JPEG, | |
421 | .depth = 24 | |
d0ef8540 SLD |
422 | }, { |
423 | .name = "MJPG", | |
424 | .fourcc = V4L2_PIX_FMT_MJPEG, | |
425 | .depth = 24 | |
38f993ad DA |
426 | } |
427 | }; | |
428 | ||
5e950faf | 429 | static int norm_maxw(struct s2255_vc *vc) |
38f993ad | 430 | { |
5e950faf | 431 | return (vc->std & V4L2_STD_525_60) ? |
38f993ad DA |
432 | LINE_SZ_4CIFS_NTSC : LINE_SZ_4CIFS_PAL; |
433 | } | |
434 | ||
5e950faf | 435 | static int norm_maxh(struct s2255_vc *vc) |
38f993ad | 436 | { |
5e950faf | 437 | return (vc->std & V4L2_STD_525_60) ? |
38f993ad DA |
438 | (NUM_LINES_1CIFS_NTSC * 2) : (NUM_LINES_1CIFS_PAL * 2); |
439 | } | |
440 | ||
5e950faf | 441 | static int norm_minw(struct s2255_vc *vc) |
38f993ad | 442 | { |
5e950faf | 443 | return (vc->std & V4L2_STD_525_60) ? |
38f993ad DA |
444 | LINE_SZ_1CIFS_NTSC : LINE_SZ_1CIFS_PAL; |
445 | } | |
446 | ||
5e950faf | 447 | static int norm_minh(struct s2255_vc *vc) |
38f993ad | 448 | { |
5e950faf | 449 | return (vc->std & V4L2_STD_525_60) ? |
38f993ad DA |
450 | (NUM_LINES_1CIFS_NTSC) : (NUM_LINES_1CIFS_PAL); |
451 | } | |
452 | ||
453 | ||
3f8d6f73 DA |
454 | /* |
455 | * TODO: fixme: move YUV reordering to hardware | |
456 | * converts 2255 planar format to yuyv or uyvy | |
457 | */ | |
38f993ad DA |
458 | static void planar422p_to_yuv_packed(const unsigned char *in, |
459 | unsigned char *out, | |
460 | int width, int height, | |
461 | int fmt) | |
462 | { | |
463 | unsigned char *pY; | |
464 | unsigned char *pCb; | |
465 | unsigned char *pCr; | |
466 | unsigned long size = height * width; | |
467 | unsigned int i; | |
468 | pY = (unsigned char *)in; | |
469 | pCr = (unsigned char *)in + height * width; | |
470 | pCb = (unsigned char *)in + height * width + (height * width / 2); | |
471 | for (i = 0; i < size * 2; i += 4) { | |
472 | out[i] = (fmt == V4L2_PIX_FMT_YUYV) ? *pY++ : *pCr++; | |
473 | out[i + 1] = (fmt == V4L2_PIX_FMT_YUYV) ? *pCr++ : *pY++; | |
474 | out[i + 2] = (fmt == V4L2_PIX_FMT_YUYV) ? *pY++ : *pCb++; | |
475 | out[i + 3] = (fmt == V4L2_PIX_FMT_YUYV) ? *pCb++ : *pY++; | |
476 | } | |
477 | return; | |
478 | } | |
479 | ||
d45b9b8a | 480 | static void s2255_reset_dsppower(struct s2255_dev *dev) |
14d96260 | 481 | { |
8a8cc952 | 482 | s2255_vendor_req(dev, 0x40, 0x0000, 0x0001, NULL, 0, 1); |
f5402007 | 483 | msleep(20); |
14d96260 | 484 | s2255_vendor_req(dev, 0x50, 0x0000, 0x0000, NULL, 0, 1); |
752eb7ae | 485 | msleep(600); |
486 | s2255_vendor_req(dev, 0x10, 0x0000, 0x0000, NULL, 0, 1); | |
14d96260 DA |
487 | return; |
488 | } | |
38f993ad DA |
489 | |
490 | /* kickstarts the firmware loading. from probe | |
491 | */ | |
492 | static void s2255_timer(unsigned long user_data) | |
493 | { | |
494 | struct s2255_fw *data = (struct s2255_fw *)user_data; | |
38f993ad | 495 | if (usb_submit_urb(data->fw_urb, GFP_ATOMIC) < 0) { |
f5402007 | 496 | pr_err("s2255: can't submit urb\n"); |
f78d92c9 DA |
497 | atomic_set(&data->fw_state, S2255_FW_FAILED); |
498 | /* wake up anything waiting for the firmware */ | |
499 | wake_up(&data->wait_fw); | |
38f993ad DA |
500 | return; |
501 | } | |
502 | } | |
503 | ||
38f993ad DA |
504 | |
505 | /* this loads the firmware asynchronously. | |
0b84caab | 506 | Originally this was done synchronously in probe. |
38f993ad DA |
507 | But it is better to load it asynchronously here than block |
508 | inside the probe function. Blocking inside probe affects boot time. | |
509 | FW loading is triggered by the timer in the probe function | |
510 | */ | |
511 | static void s2255_fwchunk_complete(struct urb *urb) | |
512 | { | |
513 | struct s2255_fw *data = urb->context; | |
514 | struct usb_device *udev = urb->dev; | |
515 | int len; | |
38f993ad | 516 | if (urb->status) { |
be9ed511 | 517 | dev_err(&udev->dev, "URB failed with status %d\n", urb->status); |
f78d92c9 DA |
518 | atomic_set(&data->fw_state, S2255_FW_FAILED); |
519 | /* wake up anything waiting for the firmware */ | |
520 | wake_up(&data->wait_fw); | |
38f993ad DA |
521 | return; |
522 | } | |
523 | if (data->fw_urb == NULL) { | |
be9ed511 | 524 | s2255_dev_err(&udev->dev, "disconnected\n"); |
f78d92c9 DA |
525 | atomic_set(&data->fw_state, S2255_FW_FAILED); |
526 | /* wake up anything waiting for the firmware */ | |
527 | wake_up(&data->wait_fw); | |
38f993ad DA |
528 | return; |
529 | } | |
530 | #define CHUNK_SIZE 512 | |
531 | /* all USB transfers must be done with continuous kernel memory. | |
532 | can't allocate more than 128k in current linux kernel, so | |
533 | upload the firmware in chunks | |
534 | */ | |
535 | if (data->fw_loaded < data->fw_size) { | |
536 | len = (data->fw_loaded + CHUNK_SIZE) > data->fw_size ? | |
537 | data->fw_size % CHUNK_SIZE : CHUNK_SIZE; | |
538 | ||
539 | if (len < CHUNK_SIZE) | |
540 | memset(data->pfw_data, 0, CHUNK_SIZE); | |
541 | ||
38f993ad DA |
542 | memcpy(data->pfw_data, |
543 | (char *) data->fw->data + data->fw_loaded, len); | |
544 | ||
545 | usb_fill_bulk_urb(data->fw_urb, udev, usb_sndbulkpipe(udev, 2), | |
546 | data->pfw_data, CHUNK_SIZE, | |
547 | s2255_fwchunk_complete, data); | |
548 | if (usb_submit_urb(data->fw_urb, GFP_ATOMIC) < 0) { | |
549 | dev_err(&udev->dev, "failed submit URB\n"); | |
550 | atomic_set(&data->fw_state, S2255_FW_FAILED); | |
551 | /* wake up anything waiting for the firmware */ | |
552 | wake_up(&data->wait_fw); | |
553 | return; | |
554 | } | |
555 | data->fw_loaded += len; | |
f5402007 | 556 | } else |
38f993ad | 557 | atomic_set(&data->fw_state, S2255_FW_LOADED_DSPWAIT); |
38f993ad DA |
558 | return; |
559 | ||
560 | } | |
561 | ||
9694fbec | 562 | static void s2255_got_frame(struct s2255_vc *vc, int jpgsize) |
38f993ad | 563 | { |
38f993ad | 564 | struct s2255_buffer *buf; |
5e950faf | 565 | struct s2255_dev *dev = to_s2255_dev(vc->vdev.v4l2_dev); |
38f993ad | 566 | unsigned long flags = 0; |
9694fbec | 567 | |
340a30c5 | 568 | spin_lock_irqsave(&vc->qlock, flags); |
5e950faf | 569 | if (list_empty(&vc->buf_list)) { |
f5402007 | 570 | dprintk(dev, 1, "No active queue to serve\n"); |
9694fbec | 571 | spin_unlock_irqrestore(&vc->qlock, flags); |
572 | return; | |
38f993ad | 573 | } |
5e950faf | 574 | buf = list_entry(vc->buf_list.next, |
340a30c5 | 575 | struct s2255_buffer, list); |
576 | list_del(&buf->list); | |
d6dd645e | 577 | buf->vb.vb2_buf.timestamp = ktime_get_ns(); |
2d700715 JS |
578 | buf->vb.field = vc->field; |
579 | buf->vb.sequence = vc->frame_count; | |
9694fbec | 580 | spin_unlock_irqrestore(&vc->qlock, flags); |
581 | ||
5e950faf | 582 | s2255_fillbuff(vc, buf, jpgsize); |
9694fbec | 583 | /* tell v4l buffer was filled */ |
2d700715 | 584 | vb2_buffer_done(&buf->vb.vb2_buf, VB2_BUF_STATE_DONE); |
340a30c5 | 585 | dprintk(dev, 2, "%s: [buf] [%p]\n", __func__, buf); |
38f993ad DA |
586 | } |
587 | ||
38f993ad DA |
588 | static const struct s2255_fmt *format_by_fourcc(int fourcc) |
589 | { | |
590 | unsigned int i; | |
38f993ad DA |
591 | for (i = 0; i < ARRAY_SIZE(formats); i++) { |
592 | if (-1 == formats[i].fourcc) | |
593 | continue; | |
f5402007 | 594 | if (!jpeg_enable && ((formats[i].fourcc == V4L2_PIX_FMT_JPEG) || |
595 | (formats[i].fourcc == V4L2_PIX_FMT_MJPEG))) | |
596 | continue; | |
38f993ad DA |
597 | if (formats[i].fourcc == fourcc) |
598 | return formats + i; | |
599 | } | |
600 | return NULL; | |
601 | } | |
602 | ||
38f993ad DA |
603 | /* video buffer vmalloc implementation based partly on VIVI driver which is |
604 | * Copyright (c) 2006 by | |
605 | * Mauro Carvalho Chehab <mchehab--a.t--infradead.org> | |
606 | * Ted Walther <ted--a.t--enumera.com> | |
607 | * John Sokol <sokol--a.t--videotechnology.com> | |
608 | * http://v4l.videotechnology.com/ | |
609 | * | |
610 | */ | |
5e950faf | 611 | static void s2255_fillbuff(struct s2255_vc *vc, |
fe85ce90 | 612 | struct s2255_buffer *buf, int jpgsize) |
38f993ad DA |
613 | { |
614 | int pos = 0; | |
38f993ad | 615 | const char *tmpbuf; |
2d700715 | 616 | char *vbuf = vb2_plane_vaddr(&buf->vb.vb2_buf, 0); |
38f993ad | 617 | unsigned long last_frame; |
5e950faf | 618 | struct s2255_dev *dev = vc->dev; |
38f993ad DA |
619 | |
620 | if (!vbuf) | |
621 | return; | |
5e950faf | 622 | last_frame = vc->last_frame; |
38f993ad | 623 | if (last_frame != -1) { |
38f993ad | 624 | tmpbuf = |
5e950faf | 625 | (const char *)vc->buffer.frame[last_frame].lpvbits; |
8bf405a0 | 626 | switch (vc->fmt->fourcc) { |
38f993ad DA |
627 | case V4L2_PIX_FMT_YUYV: |
628 | case V4L2_PIX_FMT_UYVY: | |
629 | planar422p_to_yuv_packed((const unsigned char *)tmpbuf, | |
340a30c5 | 630 | vbuf, vc->width, |
631 | vc->height, | |
8bf405a0 | 632 | vc->fmt->fourcc); |
38f993ad DA |
633 | break; |
634 | case V4L2_PIX_FMT_GREY: | |
340a30c5 | 635 | memcpy(vbuf, tmpbuf, vc->width * vc->height); |
38f993ad | 636 | break; |
14d96260 | 637 | case V4L2_PIX_FMT_JPEG: |
d0ef8540 | 638 | case V4L2_PIX_FMT_MJPEG: |
2d700715 | 639 | vb2_set_plane_payload(&buf->vb.vb2_buf, 0, jpgsize); |
340a30c5 | 640 | memcpy(vbuf, tmpbuf, jpgsize); |
14d96260 | 641 | break; |
38f993ad DA |
642 | case V4L2_PIX_FMT_YUV422P: |
643 | memcpy(vbuf, tmpbuf, | |
340a30c5 | 644 | vc->width * vc->height * 2); |
38f993ad DA |
645 | break; |
646 | default: | |
f5402007 | 647 | pr_info("s2255: unknown format?\n"); |
38f993ad | 648 | } |
5e950faf | 649 | vc->last_frame = -1; |
38f993ad | 650 | } else { |
f5402007 | 651 | pr_err("s2255: =======no frame\n"); |
38f993ad | 652 | return; |
38f993ad | 653 | } |
f5402007 | 654 | dprintk(dev, 2, "s2255fill at : Buffer 0x%08lx size= %d\n", |
38f993ad | 655 | (unsigned long)vbuf, pos); |
38f993ad DA |
656 | } |
657 | ||
658 | ||
659 | /* ------------------------------------------------------------------ | |
660 | Videobuf operations | |
661 | ------------------------------------------------------------------*/ | |
662 | ||
df9ecb0c | 663 | static int queue_setup(struct vb2_queue *vq, |
340a30c5 | 664 | unsigned int *nbuffers, unsigned int *nplanes, |
36c0f8b3 | 665 | unsigned int sizes[], struct device *alloc_devs[]) |
38f993ad | 666 | { |
340a30c5 | 667 | struct s2255_vc *vc = vb2_get_drv_priv(vq); |
9da62eb0 DA |
668 | if (*nbuffers < S2255_MIN_BUFS) |
669 | *nbuffers = S2255_MIN_BUFS; | |
340a30c5 | 670 | *nplanes = 1; |
671 | sizes[0] = vc->width * vc->height * (vc->fmt->depth >> 3); | |
38f993ad DA |
672 | return 0; |
673 | } | |
674 | ||
340a30c5 | 675 | static int buffer_prepare(struct vb2_buffer *vb) |
38f993ad | 676 | { |
340a30c5 | 677 | struct s2255_vc *vc = vb2_get_drv_priv(vb->vb2_queue); |
2d700715 JS |
678 | struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb); |
679 | struct s2255_buffer *buf = container_of(vbuf, struct s2255_buffer, vb); | |
5e950faf DA |
680 | int w = vc->width; |
681 | int h = vc->height; | |
340a30c5 | 682 | unsigned long size; |
683 | ||
684 | dprintk(vc->dev, 4, "%s\n", __func__); | |
5e950faf | 685 | if (vc->fmt == NULL) |
38f993ad DA |
686 | return -EINVAL; |
687 | ||
5e950faf DA |
688 | if ((w < norm_minw(vc)) || |
689 | (w > norm_maxw(vc)) || | |
690 | (h < norm_minh(vc)) || | |
691 | (h > norm_maxh(vc))) { | |
92cde477 | 692 | dprintk(vc->dev, 4, "invalid buffer prepare\n"); |
38f993ad DA |
693 | return -EINVAL; |
694 | } | |
340a30c5 | 695 | size = w * h * (vc->fmt->depth >> 3); |
696 | if (vb2_plane_size(vb, 0) < size) { | |
92cde477 | 697 | dprintk(vc->dev, 4, "invalid buffer prepare\n"); |
38f993ad DA |
698 | return -EINVAL; |
699 | } | |
700 | ||
2d700715 | 701 | vb2_set_plane_payload(&buf->vb.vb2_buf, 0, size); |
38f993ad | 702 | return 0; |
38f993ad DA |
703 | } |
704 | ||
340a30c5 | 705 | static void buffer_queue(struct vb2_buffer *vb) |
38f993ad | 706 | { |
2d700715 JS |
707 | struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb); |
708 | struct s2255_buffer *buf = container_of(vbuf, struct s2255_buffer, vb); | |
340a30c5 | 709 | struct s2255_vc *vc = vb2_get_drv_priv(vb->vb2_queue); |
710 | unsigned long flags = 0; | |
92cde477 | 711 | dprintk(vc->dev, 1, "%s\n", __func__); |
340a30c5 | 712 | spin_lock_irqsave(&vc->qlock, flags); |
713 | list_add_tail(&buf->list, &vc->buf_list); | |
714 | spin_unlock_irqrestore(&vc->qlock, flags); | |
38f993ad DA |
715 | } |
716 | ||
340a30c5 | 717 | static int start_streaming(struct vb2_queue *vq, unsigned int count); |
e37559b2 | 718 | static void stop_streaming(struct vb2_queue *vq); |
38f993ad | 719 | |
340a30c5 | 720 | static struct vb2_ops s2255_video_qops = { |
721 | .queue_setup = queue_setup, | |
38f993ad DA |
722 | .buf_prepare = buffer_prepare, |
723 | .buf_queue = buffer_queue, | |
340a30c5 | 724 | .start_streaming = start_streaming, |
725 | .stop_streaming = stop_streaming, | |
726 | .wait_prepare = vb2_ops_wait_prepare, | |
727 | .wait_finish = vb2_ops_wait_finish, | |
38f993ad DA |
728 | }; |
729 | ||
38f993ad DA |
730 | static int vidioc_querycap(struct file *file, void *priv, |
731 | struct v4l2_capability *cap) | |
732 | { | |
340a30c5 | 733 | struct s2255_vc *vc = video_drvdata(file); |
734 | struct s2255_dev *dev = vc->dev; | |
39696009 | 735 | |
38f993ad DA |
736 | strlcpy(cap->driver, "s2255", sizeof(cap->driver)); |
737 | strlcpy(cap->card, "s2255", sizeof(cap->card)); | |
e22ed887 | 738 | usb_make_path(dev->udev, cap->bus_info, sizeof(cap->bus_info)); |
340a30c5 | 739 | cap->device_caps = V4L2_CAP_VIDEO_CAPTURE | V4L2_CAP_STREAMING | |
740 | V4L2_CAP_READWRITE; | |
39696009 | 741 | cap->capabilities = cap->device_caps | V4L2_CAP_DEVICE_CAPS; |
38f993ad DA |
742 | return 0; |
743 | } | |
744 | ||
745 | static int vidioc_enum_fmt_vid_cap(struct file *file, void *priv, | |
746 | struct v4l2_fmtdesc *f) | |
747 | { | |
6c61ac63 | 748 | int index = f->index; |
38f993ad DA |
749 | |
750 | if (index >= ARRAY_SIZE(formats)) | |
751 | return -EINVAL; | |
6c61ac63 DC |
752 | if (!jpeg_enable && ((formats[index].fourcc == V4L2_PIX_FMT_JPEG) || |
753 | (formats[index].fourcc == V4L2_PIX_FMT_MJPEG))) | |
754 | return -EINVAL; | |
38f993ad DA |
755 | strlcpy(f->description, formats[index].name, sizeof(f->description)); |
756 | f->pixelformat = formats[index].fourcc; | |
757 | return 0; | |
758 | } | |
759 | ||
760 | static int vidioc_g_fmt_vid_cap(struct file *file, void *priv, | |
761 | struct v4l2_format *f) | |
762 | { | |
340a30c5 | 763 | struct s2255_vc *vc = video_drvdata(file); |
5e950faf | 764 | int is_ntsc = vc->std & V4L2_STD_525_60; |
38f993ad | 765 | |
5e950faf DA |
766 | f->fmt.pix.width = vc->width; |
767 | f->fmt.pix.height = vc->height; | |
92513611 HV |
768 | if (f->fmt.pix.height >= |
769 | (is_ntsc ? NUM_LINES_1CIFS_NTSC : NUM_LINES_1CIFS_PAL) * 2) | |
770 | f->fmt.pix.field = V4L2_FIELD_INTERLACED; | |
771 | else | |
772 | f->fmt.pix.field = V4L2_FIELD_TOP; | |
5e950faf DA |
773 | f->fmt.pix.pixelformat = vc->fmt->fourcc; |
774 | f->fmt.pix.bytesperline = f->fmt.pix.width * (vc->fmt->depth >> 3); | |
38f993ad | 775 | f->fmt.pix.sizeimage = f->fmt.pix.height * f->fmt.pix.bytesperline; |
29ceb110 HV |
776 | f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M; |
777 | f->fmt.pix.priv = 0; | |
3f8d6f73 | 778 | return 0; |
38f993ad DA |
779 | } |
780 | ||
781 | static int vidioc_try_fmt_vid_cap(struct file *file, void *priv, | |
782 | struct v4l2_format *f) | |
783 | { | |
784 | const struct s2255_fmt *fmt; | |
785 | enum v4l2_field field; | |
340a30c5 | 786 | struct s2255_vc *vc = video_drvdata(file); |
5e950faf | 787 | int is_ntsc = vc->std & V4L2_STD_525_60; |
38f993ad DA |
788 | |
789 | fmt = format_by_fourcc(f->fmt.pix.pixelformat); | |
790 | ||
791 | if (fmt == NULL) | |
792 | return -EINVAL; | |
793 | ||
794 | field = f->fmt.pix.field; | |
38f993ad | 795 | |
92cde477 | 796 | dprintk(vc->dev, 50, "%s NTSC: %d suggested width: %d, height: %d\n", |
85b85482 | 797 | __func__, is_ntsc, f->fmt.pix.width, f->fmt.pix.height); |
38f993ad DA |
798 | if (is_ntsc) { |
799 | /* NTSC */ | |
800 | if (f->fmt.pix.height >= NUM_LINES_1CIFS_NTSC * 2) { | |
801 | f->fmt.pix.height = NUM_LINES_1CIFS_NTSC * 2; | |
92513611 | 802 | field = V4L2_FIELD_INTERLACED; |
38f993ad DA |
803 | } else { |
804 | f->fmt.pix.height = NUM_LINES_1CIFS_NTSC; | |
92513611 | 805 | field = V4L2_FIELD_TOP; |
38f993ad DA |
806 | } |
807 | if (f->fmt.pix.width >= LINE_SZ_4CIFS_NTSC) | |
808 | f->fmt.pix.width = LINE_SZ_4CIFS_NTSC; | |
809 | else if (f->fmt.pix.width >= LINE_SZ_2CIFS_NTSC) | |
810 | f->fmt.pix.width = LINE_SZ_2CIFS_NTSC; | |
811 | else if (f->fmt.pix.width >= LINE_SZ_1CIFS_NTSC) | |
812 | f->fmt.pix.width = LINE_SZ_1CIFS_NTSC; | |
813 | else | |
814 | f->fmt.pix.width = LINE_SZ_1CIFS_NTSC; | |
815 | } else { | |
816 | /* PAL */ | |
817 | if (f->fmt.pix.height >= NUM_LINES_1CIFS_PAL * 2) { | |
818 | f->fmt.pix.height = NUM_LINES_1CIFS_PAL * 2; | |
92513611 | 819 | field = V4L2_FIELD_INTERLACED; |
38f993ad DA |
820 | } else { |
821 | f->fmt.pix.height = NUM_LINES_1CIFS_PAL; | |
92513611 | 822 | field = V4L2_FIELD_TOP; |
38f993ad | 823 | } |
92513611 | 824 | if (f->fmt.pix.width >= LINE_SZ_4CIFS_PAL) |
38f993ad | 825 | f->fmt.pix.width = LINE_SZ_4CIFS_PAL; |
92513611 | 826 | else if (f->fmt.pix.width >= LINE_SZ_2CIFS_PAL) |
38f993ad | 827 | f->fmt.pix.width = LINE_SZ_2CIFS_PAL; |
92513611 | 828 | else if (f->fmt.pix.width >= LINE_SZ_1CIFS_PAL) |
38f993ad | 829 | f->fmt.pix.width = LINE_SZ_1CIFS_PAL; |
92513611 | 830 | else |
38f993ad | 831 | f->fmt.pix.width = LINE_SZ_1CIFS_PAL; |
38f993ad | 832 | } |
38f993ad DA |
833 | f->fmt.pix.field = field; |
834 | f->fmt.pix.bytesperline = (f->fmt.pix.width * fmt->depth) >> 3; | |
835 | f->fmt.pix.sizeimage = f->fmt.pix.height * f->fmt.pix.bytesperline; | |
29ceb110 HV |
836 | f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M; |
837 | f->fmt.pix.priv = 0; | |
92cde477 | 838 | dprintk(vc->dev, 50, "%s: set width %d height %d field %d\n", __func__, |
85b85482 | 839 | f->fmt.pix.width, f->fmt.pix.height, f->fmt.pix.field); |
38f993ad DA |
840 | return 0; |
841 | } | |
842 | ||
843 | static int vidioc_s_fmt_vid_cap(struct file *file, void *priv, | |
844 | struct v4l2_format *f) | |
845 | { | |
340a30c5 | 846 | struct s2255_vc *vc = video_drvdata(file); |
38f993ad | 847 | const struct s2255_fmt *fmt; |
340a30c5 | 848 | struct vb2_queue *q = &vc->vb_vidq; |
fe85ce90 | 849 | struct s2255_mode mode; |
38f993ad | 850 | int ret; |
38f993ad | 851 | |
340a30c5 | 852 | ret = vidioc_try_fmt_vid_cap(file, vc, f); |
38f993ad DA |
853 | |
854 | if (ret < 0) | |
3f8d6f73 | 855 | return ret; |
38f993ad DA |
856 | |
857 | fmt = format_by_fourcc(f->fmt.pix.pixelformat); | |
858 | ||
859 | if (fmt == NULL) | |
860 | return -EINVAL; | |
861 | ||
340a30c5 | 862 | if (vb2_is_busy(q)) { |
92cde477 | 863 | dprintk(vc->dev, 1, "queue busy\n"); |
340a30c5 | 864 | return -EBUSY; |
38f993ad DA |
865 | } |
866 | ||
5e950faf DA |
867 | mode = vc->mode; |
868 | vc->fmt = fmt; | |
869 | vc->width = f->fmt.pix.width; | |
870 | vc->height = f->fmt.pix.height; | |
340a30c5 | 871 | vc->field = f->fmt.pix.field; |
5e950faf DA |
872 | if (vc->width > norm_minw(vc)) { |
873 | if (vc->height > norm_minh(vc)) { | |
874 | if (vc->cap_parm.capturemode & | |
85b85482 | 875 | V4L2_MODE_HIGHQUALITY) |
fe85ce90 | 876 | mode.scale = SCALE_4CIFSI; |
85b85482 | 877 | else |
fe85ce90 | 878 | mode.scale = SCALE_4CIFS; |
7d853532 | 879 | } else |
fe85ce90 | 880 | mode.scale = SCALE_2CIFS; |
38f993ad DA |
881 | |
882 | } else { | |
fe85ce90 | 883 | mode.scale = SCALE_1CIFS; |
38f993ad | 884 | } |
38f993ad | 885 | /* color mode */ |
5e950faf | 886 | switch (vc->fmt->fourcc) { |
38f993ad | 887 | case V4L2_PIX_FMT_GREY: |
fe85ce90 DA |
888 | mode.color &= ~MASK_COLOR; |
889 | mode.color |= COLOR_Y8; | |
38f993ad | 890 | break; |
14d96260 | 891 | case V4L2_PIX_FMT_JPEG: |
d0ef8540 | 892 | case V4L2_PIX_FMT_MJPEG: |
fe85ce90 DA |
893 | mode.color &= ~MASK_COLOR; |
894 | mode.color |= COLOR_JPG; | |
5e950faf | 895 | mode.color |= (vc->jpegqual << 8); |
14d96260 | 896 | break; |
38f993ad | 897 | case V4L2_PIX_FMT_YUV422P: |
fe85ce90 DA |
898 | mode.color &= ~MASK_COLOR; |
899 | mode.color |= COLOR_YUVPL; | |
38f993ad DA |
900 | break; |
901 | case V4L2_PIX_FMT_YUYV: | |
902 | case V4L2_PIX_FMT_UYVY: | |
903 | default: | |
fe85ce90 DA |
904 | mode.color &= ~MASK_COLOR; |
905 | mode.color |= COLOR_YUVPK; | |
38f993ad DA |
906 | break; |
907 | } | |
5e950faf | 908 | if ((mode.color & MASK_COLOR) != (vc->mode.color & MASK_COLOR)) |
fe85ce90 | 909 | mode.restart = 1; |
5e950faf | 910 | else if (mode.scale != vc->mode.scale) |
fe85ce90 | 911 | mode.restart = 1; |
5e950faf | 912 | else if (mode.format != vc->mode.format) |
fe85ce90 | 913 | mode.restart = 1; |
5e950faf DA |
914 | vc->mode = mode; |
915 | (void) s2255_set_mode(vc, &mode); | |
340a30c5 | 916 | return 0; |
38f993ad DA |
917 | } |
918 | ||
38f993ad | 919 | |
38f993ad DA |
920 | /* write to the configuration pipe, synchronously */ |
921 | static int s2255_write_config(struct usb_device *udev, unsigned char *pbuf, | |
922 | int size) | |
923 | { | |
924 | int pipe; | |
925 | int done; | |
926 | long retval = -1; | |
927 | if (udev) { | |
928 | pipe = usb_sndbulkpipe(udev, S2255_CONFIG_EP); | |
929 | retval = usb_bulk_msg(udev, pipe, pbuf, size, &done, 500); | |
930 | } | |
931 | return retval; | |
932 | } | |
933 | ||
934 | static u32 get_transfer_size(struct s2255_mode *mode) | |
935 | { | |
936 | int linesPerFrame = LINE_SZ_DEF; | |
937 | int pixelsPerLine = NUM_LINES_DEF; | |
938 | u32 outImageSize; | |
939 | u32 usbInSize; | |
940 | unsigned int mask_mult; | |
941 | ||
942 | if (mode == NULL) | |
943 | return 0; | |
944 | ||
945 | if (mode->format == FORMAT_NTSC) { | |
946 | switch (mode->scale) { | |
947 | case SCALE_4CIFS: | |
7d853532 | 948 | case SCALE_4CIFSI: |
38f993ad DA |
949 | linesPerFrame = NUM_LINES_4CIFS_NTSC * 2; |
950 | pixelsPerLine = LINE_SZ_4CIFS_NTSC; | |
951 | break; | |
952 | case SCALE_2CIFS: | |
953 | linesPerFrame = NUM_LINES_2CIFS_NTSC; | |
954 | pixelsPerLine = LINE_SZ_2CIFS_NTSC; | |
955 | break; | |
956 | case SCALE_1CIFS: | |
957 | linesPerFrame = NUM_LINES_1CIFS_NTSC; | |
958 | pixelsPerLine = LINE_SZ_1CIFS_NTSC; | |
959 | break; | |
960 | default: | |
961 | break; | |
962 | } | |
963 | } else if (mode->format == FORMAT_PAL) { | |
964 | switch (mode->scale) { | |
965 | case SCALE_4CIFS: | |
7d853532 | 966 | case SCALE_4CIFSI: |
38f993ad DA |
967 | linesPerFrame = NUM_LINES_4CIFS_PAL * 2; |
968 | pixelsPerLine = LINE_SZ_4CIFS_PAL; | |
969 | break; | |
970 | case SCALE_2CIFS: | |
971 | linesPerFrame = NUM_LINES_2CIFS_PAL; | |
972 | pixelsPerLine = LINE_SZ_2CIFS_PAL; | |
973 | break; | |
974 | case SCALE_1CIFS: | |
975 | linesPerFrame = NUM_LINES_1CIFS_PAL; | |
976 | pixelsPerLine = LINE_SZ_1CIFS_PAL; | |
977 | break; | |
978 | default: | |
979 | break; | |
980 | } | |
981 | } | |
982 | outImageSize = linesPerFrame * pixelsPerLine; | |
14d96260 | 983 | if ((mode->color & MASK_COLOR) != COLOR_Y8) { |
38f993ad DA |
984 | /* 2 bytes/pixel if not monochrome */ |
985 | outImageSize *= 2; | |
986 | } | |
987 | ||
988 | /* total bytes to send including prefix and 4K padding; | |
989 | must be a multiple of USB_READ_SIZE */ | |
990 | usbInSize = outImageSize + PREFIX_SIZE; /* always send prefix */ | |
991 | mask_mult = 0xffffffffUL - DEF_USB_BLOCK + 1; | |
992 | /* if size not a multiple of USB_READ_SIZE */ | |
993 | if (usbInSize & ~mask_mult) | |
994 | usbInSize = (usbInSize & mask_mult) + (DEF_USB_BLOCK); | |
995 | return usbInSize; | |
996 | } | |
997 | ||
85b85482 | 998 | static void s2255_print_cfg(struct s2255_dev *sdev, struct s2255_mode *mode) |
38f993ad DA |
999 | { |
1000 | struct device *dev = &sdev->udev->dev; | |
1001 | dev_info(dev, "------------------------------------------------\n"); | |
85b85482 DA |
1002 | dev_info(dev, "format: %d\nscale %d\n", mode->format, mode->scale); |
1003 | dev_info(dev, "fdec: %d\ncolor %d\n", mode->fdec, mode->color); | |
38f993ad | 1004 | dev_info(dev, "bright: 0x%x\n", mode->bright); |
38f993ad DA |
1005 | dev_info(dev, "------------------------------------------------\n"); |
1006 | } | |
1007 | ||
1008 | /* | |
1009 | * set mode is the function which controls the DSP. | |
1010 | * the restart parameter in struct s2255_mode should be set whenever | |
1011 | * the image size could change via color format, video system or image | |
1012 | * size. | |
1013 | * When the restart parameter is set, we sleep for ONE frame to allow the | |
1014 | * DSP time to get the new frame | |
1015 | */ | |
5e950faf | 1016 | static int s2255_set_mode(struct s2255_vc *vc, |
38f993ad DA |
1017 | struct s2255_mode *mode) |
1018 | { | |
1019 | int res; | |
38f993ad | 1020 | unsigned long chn_rev; |
5e950faf | 1021 | struct s2255_dev *dev = to_s2255_dev(vc->vdev.v4l2_dev); |
0b84caab | 1022 | int i; |
47d8c881 | 1023 | __le32 *buffer = dev->cmdbuf; |
0b84caab | 1024 | |
47d8c881 | 1025 | mutex_lock(&dev->cmdlock); |
5e950faf DA |
1026 | chn_rev = G_chnmap[vc->idx]; |
1027 | dprintk(dev, 3, "%s channel: %d\n", __func__, vc->idx); | |
22b88d48 | 1028 | /* if JPEG, set the quality */ |
5a34d9df DA |
1029 | if ((mode->color & MASK_COLOR) == COLOR_JPG) { |
1030 | mode->color &= ~MASK_COLOR; | |
1031 | mode->color |= COLOR_JPG; | |
1032 | mode->color &= ~MASK_JPG_QUALITY; | |
5e950faf | 1033 | mode->color |= (vc->jpegqual << 8); |
5a34d9df | 1034 | } |
38f993ad | 1035 | /* save the mode */ |
5e950faf DA |
1036 | vc->mode = *mode; |
1037 | vc->req_image_size = get_transfer_size(mode); | |
1038 | dprintk(dev, 1, "%s: reqsize %ld\n", __func__, vc->req_image_size); | |
38f993ad DA |
1039 | /* set the mode */ |
1040 | buffer[0] = IN_DATA_TOKEN; | |
3fa00605 | 1041 | buffer[1] = (__le32) cpu_to_le32(chn_rev); |
38f993ad | 1042 | buffer[2] = CMD_SET_MODE; |
0b84caab | 1043 | for (i = 0; i < sizeof(struct s2255_mode) / sizeof(u32); i++) |
5e950faf DA |
1044 | buffer[3 + i] = cpu_to_le32(((u32 *)&vc->mode)[i]); |
1045 | vc->setmode_ready = 0; | |
38f993ad DA |
1046 | res = s2255_write_config(dev->udev, (unsigned char *)buffer, 512); |
1047 | if (debug) | |
85b85482 | 1048 | s2255_print_cfg(dev, mode); |
38f993ad | 1049 | /* wait at least 3 frames before continuing */ |
14d96260 | 1050 | if (mode->restart) { |
5e950faf DA |
1051 | wait_event_timeout(vc->wait_setmode, |
1052 | (vc->setmode_ready != 0), | |
14d96260 | 1053 | msecs_to_jiffies(S2255_SETMODE_TIMEOUT)); |
5e950faf | 1054 | if (vc->setmode_ready != 1) { |
f5402007 | 1055 | dprintk(dev, 0, "s2255: no set mode response\n"); |
14d96260 DA |
1056 | res = -EFAULT; |
1057 | } | |
1058 | } | |
38f993ad | 1059 | /* clear the restart flag */ |
5e950faf DA |
1060 | vc->mode.restart = 0; |
1061 | dprintk(dev, 1, "%s chn %d, result: %d\n", __func__, vc->idx, res); | |
47d8c881 | 1062 | mutex_unlock(&dev->cmdlock); |
38f993ad DA |
1063 | return res; |
1064 | } | |
1065 | ||
5e950faf | 1066 | static int s2255_cmd_status(struct s2255_vc *vc, u32 *pstatus) |
4de39f5d DA |
1067 | { |
1068 | int res; | |
4de39f5d | 1069 | u32 chn_rev; |
5e950faf | 1070 | struct s2255_dev *dev = to_s2255_dev(vc->vdev.v4l2_dev); |
47d8c881 DA |
1071 | __le32 *buffer = dev->cmdbuf; |
1072 | ||
1073 | mutex_lock(&dev->cmdlock); | |
5e950faf DA |
1074 | chn_rev = G_chnmap[vc->idx]; |
1075 | dprintk(dev, 4, "%s chan %d\n", __func__, vc->idx); | |
4de39f5d DA |
1076 | /* form the get vid status command */ |
1077 | buffer[0] = IN_DATA_TOKEN; | |
3fa00605 | 1078 | buffer[1] = (__le32) cpu_to_le32(chn_rev); |
4de39f5d DA |
1079 | buffer[2] = CMD_STATUS; |
1080 | *pstatus = 0; | |
5e950faf | 1081 | vc->vidstatus_ready = 0; |
4de39f5d | 1082 | res = s2255_write_config(dev->udev, (unsigned char *)buffer, 512); |
5e950faf DA |
1083 | wait_event_timeout(vc->wait_vidstatus, |
1084 | (vc->vidstatus_ready != 0), | |
4de39f5d | 1085 | msecs_to_jiffies(S2255_VIDSTATUS_TIMEOUT)); |
5e950faf | 1086 | if (vc->vidstatus_ready != 1) { |
f5402007 | 1087 | dprintk(dev, 0, "s2255: no vidstatus response\n"); |
4de39f5d DA |
1088 | res = -EFAULT; |
1089 | } | |
5e950faf | 1090 | *pstatus = vc->vidstatus; |
f5402007 | 1091 | dprintk(dev, 4, "%s, vid status %d\n", __func__, *pstatus); |
47d8c881 | 1092 | mutex_unlock(&dev->cmdlock); |
4de39f5d DA |
1093 | return res; |
1094 | } | |
1095 | ||
340a30c5 | 1096 | static int start_streaming(struct vb2_queue *vq, unsigned int count) |
38f993ad | 1097 | { |
340a30c5 | 1098 | struct s2255_vc *vc = vb2_get_drv_priv(vq); |
38f993ad | 1099 | int j; |
92cde477 | 1100 | |
5e950faf DA |
1101 | vc->last_frame = -1; |
1102 | vc->bad_payload = 0; | |
1103 | vc->cur_frame = 0; | |
1104 | vc->frame_count = 0; | |
38f993ad | 1105 | for (j = 0; j < SYS_FRAMES; j++) { |
5e950faf DA |
1106 | vc->buffer.frame[j].ulState = S2255_READ_IDLE; |
1107 | vc->buffer.frame[j].cur_size = 0; | |
38f993ad | 1108 | } |
340a30c5 | 1109 | return s2255_start_acquire(vc); |
38f993ad DA |
1110 | } |
1111 | ||
340a30c5 | 1112 | /* abort streaming and wait for last buffer */ |
e37559b2 | 1113 | static void stop_streaming(struct vb2_queue *vq) |
38f993ad | 1114 | { |
340a30c5 | 1115 | struct s2255_vc *vc = vb2_get_drv_priv(vq); |
1116 | struct s2255_buffer *buf, *node; | |
1117 | unsigned long flags; | |
1118 | (void) s2255_stop_acquire(vc); | |
1119 | spin_lock_irqsave(&vc->qlock, flags); | |
1120 | list_for_each_entry_safe(buf, node, &vc->buf_list, list) { | |
1121 | list_del(&buf->list); | |
2d700715 | 1122 | vb2_buffer_done(&buf->vb.vb2_buf, VB2_BUF_STATE_ERROR); |
340a30c5 | 1123 | dprintk(vc->dev, 2, "[%p/%d] done\n", |
2d700715 | 1124 | buf, buf->vb.vb2_buf.index); |
340a30c5 | 1125 | } |
1126 | spin_unlock_irqrestore(&vc->qlock, flags); | |
38f993ad DA |
1127 | } |
1128 | ||
314527ac | 1129 | static int vidioc_s_std(struct file *file, void *priv, v4l2_std_id i) |
38f993ad | 1130 | { |
340a30c5 | 1131 | struct s2255_vc *vc = video_drvdata(file); |
fe85ce90 | 1132 | struct s2255_mode mode; |
340a30c5 | 1133 | struct vb2_queue *q = &vc->vb_vidq; |
1134 | ||
1135 | /* | |
1136 | * Changing the standard implies a format change, which is not allowed | |
1137 | * while buffers for use with streaming have already been allocated. | |
1138 | */ | |
1139 | if (vb2_is_busy(q)) | |
1140 | return -EBUSY; | |
469af77a | 1141 | |
92cde477 | 1142 | mode = vc->mode; |
314527ac | 1143 | if (i & V4L2_STD_525_60) { |
92cde477 | 1144 | dprintk(vc->dev, 4, "%s 60 Hz\n", __func__); |
e6b44bc5 | 1145 | /* if changing format, reset frame decimation/intervals */ |
fe85ce90 DA |
1146 | if (mode.format != FORMAT_NTSC) { |
1147 | mode.restart = 1; | |
1148 | mode.format = FORMAT_NTSC; | |
1149 | mode.fdec = FDEC_1; | |
5e950faf DA |
1150 | vc->width = LINE_SZ_4CIFS_NTSC; |
1151 | vc->height = NUM_LINES_4CIFS_NTSC * 2; | |
e6b44bc5 | 1152 | } |
314527ac | 1153 | } else if (i & V4L2_STD_625_50) { |
92cde477 | 1154 | dprintk(vc->dev, 4, "%s 50 Hz\n", __func__); |
fe85ce90 DA |
1155 | if (mode.format != FORMAT_PAL) { |
1156 | mode.restart = 1; | |
1157 | mode.format = FORMAT_PAL; | |
1158 | mode.fdec = FDEC_1; | |
5e950faf DA |
1159 | vc->width = LINE_SZ_4CIFS_PAL; |
1160 | vc->height = NUM_LINES_4CIFS_PAL * 2; | |
e6b44bc5 | 1161 | } |
340a30c5 | 1162 | } else |
1163 | return -EINVAL; | |
92cde477 | 1164 | vc->std = i; |
fe85ce90 | 1165 | if (mode.restart) |
92cde477 | 1166 | s2255_set_mode(vc, &mode); |
340a30c5 | 1167 | return 0; |
38f993ad DA |
1168 | } |
1169 | ||
469af77a HV |
1170 | static int vidioc_g_std(struct file *file, void *priv, v4l2_std_id *i) |
1171 | { | |
340a30c5 | 1172 | struct s2255_vc *vc = video_drvdata(file); |
469af77a | 1173 | |
92cde477 | 1174 | *i = vc->std; |
469af77a HV |
1175 | return 0; |
1176 | } | |
1177 | ||
38f993ad DA |
1178 | /* Sensoray 2255 is a multiple channel capture device. |
1179 | It does not have a "crossbar" of inputs. | |
1180 | We use one V4L device per channel. The user must | |
1181 | be aware that certain combinations are not allowed. | |
1182 | For instance, you cannot do full FPS on more than 2 channels(2 videodevs) | |
1183 | at once in color(you can do full fps on 4 channels with greyscale. | |
1184 | */ | |
1185 | static int vidioc_enum_input(struct file *file, void *priv, | |
1186 | struct v4l2_input *inp) | |
1187 | { | |
340a30c5 | 1188 | struct s2255_vc *vc = video_drvdata(file); |
92cde477 | 1189 | struct s2255_dev *dev = vc->dev; |
4de39f5d | 1190 | u32 status = 0; |
92cde477 | 1191 | |
38f993ad DA |
1192 | if (inp->index != 0) |
1193 | return -EINVAL; | |
38f993ad DA |
1194 | inp->type = V4L2_INPUT_TYPE_CAMERA; |
1195 | inp->std = S2255_NORMS; | |
4de39f5d DA |
1196 | inp->status = 0; |
1197 | if (dev->dsp_fw_ver >= S2255_MIN_DSP_STATUS) { | |
1198 | int rc; | |
92cde477 | 1199 | rc = s2255_cmd_status(vc, &status); |
f5402007 | 1200 | dprintk(dev, 4, "s2255_cmd_status rc: %d status %x\n", |
1201 | rc, status); | |
4de39f5d DA |
1202 | if (rc == 0) |
1203 | inp->status = (status & 0x01) ? 0 | |
1204 | : V4L2_IN_ST_NO_SIGNAL; | |
1205 | } | |
5a34d9df DA |
1206 | switch (dev->pid) { |
1207 | case 0x2255: | |
1208 | default: | |
1209 | strlcpy(inp->name, "Composite", sizeof(inp->name)); | |
1210 | break; | |
1211 | case 0x2257: | |
5e950faf | 1212 | strlcpy(inp->name, (vc->idx < 2) ? "Composite" : "S-Video", |
5a34d9df DA |
1213 | sizeof(inp->name)); |
1214 | break; | |
1215 | } | |
3f8d6f73 | 1216 | return 0; |
38f993ad DA |
1217 | } |
1218 | ||
1219 | static int vidioc_g_input(struct file *file, void *priv, unsigned int *i) | |
1220 | { | |
1221 | *i = 0; | |
1222 | return 0; | |
1223 | } | |
1224 | static int vidioc_s_input(struct file *file, void *priv, unsigned int i) | |
1225 | { | |
1226 | if (i > 0) | |
1227 | return -EINVAL; | |
1228 | return 0; | |
1229 | } | |
1230 | ||
192f1e78 | 1231 | static int s2255_s_ctrl(struct v4l2_ctrl *ctrl) |
38f993ad | 1232 | { |
5e950faf DA |
1233 | struct s2255_vc *vc = |
1234 | container_of(ctrl->handler, struct s2255_vc, hdl); | |
fe85ce90 | 1235 | struct s2255_mode mode; |
5e950faf | 1236 | mode = vc->mode; |
2e70db9a DA |
1237 | /* update the mode to the corresponding value */ |
1238 | switch (ctrl->id) { | |
1239 | case V4L2_CID_BRIGHTNESS: | |
192f1e78 | 1240 | mode.bright = ctrl->val; |
2e70db9a DA |
1241 | break; |
1242 | case V4L2_CID_CONTRAST: | |
192f1e78 | 1243 | mode.contrast = ctrl->val; |
2e70db9a DA |
1244 | break; |
1245 | case V4L2_CID_HUE: | |
192f1e78 | 1246 | mode.hue = ctrl->val; |
2e70db9a DA |
1247 | break; |
1248 | case V4L2_CID_SATURATION: | |
192f1e78 | 1249 | mode.saturation = ctrl->val; |
2e70db9a | 1250 | break; |
192f1e78 | 1251 | case V4L2_CID_S2255_COLORFILTER: |
fe85ce90 | 1252 | mode.color &= ~MASK_INPUT_TYPE; |
192f1e78 | 1253 | mode.color |= !ctrl->val << 16; |
5a34d9df | 1254 | break; |
7041dec7 | 1255 | case V4L2_CID_JPEG_COMPRESSION_QUALITY: |
5e950faf | 1256 | vc->jpegqual = ctrl->val; |
7041dec7 | 1257 | return 0; |
2e70db9a DA |
1258 | default: |
1259 | return -EINVAL; | |
38f993ad | 1260 | } |
fe85ce90 | 1261 | mode.restart = 0; |
2e70db9a DA |
1262 | /* set mode here. Note: stream does not need restarted. |
1263 | some V4L programs restart stream unnecessarily | |
1264 | after a s_crtl. | |
1265 | */ | |
5e950faf | 1266 | s2255_set_mode(vc, &mode); |
2e70db9a | 1267 | return 0; |
38f993ad DA |
1268 | } |
1269 | ||
22b88d48 DA |
1270 | static int vidioc_g_jpegcomp(struct file *file, void *priv, |
1271 | struct v4l2_jpegcompression *jc) | |
1272 | { | |
340a30c5 | 1273 | struct s2255_vc *vc = video_drvdata(file); |
7041dec7 HV |
1274 | |
1275 | memset(jc, 0, sizeof(*jc)); | |
5e950faf | 1276 | jc->quality = vc->jpegqual; |
92cde477 | 1277 | dprintk(vc->dev, 2, "%s: quality %d\n", __func__, jc->quality); |
22b88d48 DA |
1278 | return 0; |
1279 | } | |
1280 | ||
1281 | static int vidioc_s_jpegcomp(struct file *file, void *priv, | |
d88aab53 | 1282 | const struct v4l2_jpegcompression *jc) |
22b88d48 | 1283 | { |
340a30c5 | 1284 | struct s2255_vc *vc = video_drvdata(file); |
1285 | ||
22b88d48 DA |
1286 | if (jc->quality < 0 || jc->quality > 100) |
1287 | return -EINVAL; | |
5e950faf | 1288 | v4l2_ctrl_s_ctrl(vc->jpegqual_ctrl, jc->quality); |
92cde477 | 1289 | dprintk(vc->dev, 2, "%s: quality %d\n", __func__, jc->quality); |
22b88d48 DA |
1290 | return 0; |
1291 | } | |
7d853532 DA |
1292 | |
1293 | static int vidioc_g_parm(struct file *file, void *priv, | |
1294 | struct v4l2_streamparm *sp) | |
1295 | { | |
e6b44bc5 | 1296 | __u32 def_num, def_dem; |
340a30c5 | 1297 | struct s2255_vc *vc = video_drvdata(file); |
1298 | ||
7d853532 DA |
1299 | if (sp->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) |
1300 | return -EINVAL; | |
e6b44bc5 | 1301 | sp->parm.capture.capability = V4L2_CAP_TIMEPERFRAME; |
5e950faf | 1302 | sp->parm.capture.capturemode = vc->cap_parm.capturemode; |
340a30c5 | 1303 | sp->parm.capture.readbuffers = S2255_MIN_BUFS; |
5e950faf DA |
1304 | def_num = (vc->mode.format == FORMAT_NTSC) ? 1001 : 1000; |
1305 | def_dem = (vc->mode.format == FORMAT_NTSC) ? 30000 : 25000; | |
e6b44bc5 | 1306 | sp->parm.capture.timeperframe.denominator = def_dem; |
5e950faf | 1307 | switch (vc->mode.fdec) { |
e6b44bc5 DA |
1308 | default: |
1309 | case FDEC_1: | |
1310 | sp->parm.capture.timeperframe.numerator = def_num; | |
1311 | break; | |
1312 | case FDEC_2: | |
1313 | sp->parm.capture.timeperframe.numerator = def_num * 2; | |
1314 | break; | |
1315 | case FDEC_3: | |
1316 | sp->parm.capture.timeperframe.numerator = def_num * 3; | |
1317 | break; | |
1318 | case FDEC_5: | |
1319 | sp->parm.capture.timeperframe.numerator = def_num * 5; | |
1320 | break; | |
1321 | } | |
92cde477 | 1322 | dprintk(vc->dev, 4, "%s capture mode, %d timeperframe %d/%d\n", |
f5402007 | 1323 | __func__, |
e6b44bc5 DA |
1324 | sp->parm.capture.capturemode, |
1325 | sp->parm.capture.timeperframe.numerator, | |
1326 | sp->parm.capture.timeperframe.denominator); | |
7d853532 DA |
1327 | return 0; |
1328 | } | |
1329 | ||
1330 | static int vidioc_s_parm(struct file *file, void *priv, | |
1331 | struct v4l2_streamparm *sp) | |
1332 | { | |
340a30c5 | 1333 | struct s2255_vc *vc = video_drvdata(file); |
fe85ce90 | 1334 | struct s2255_mode mode; |
e6b44bc5 DA |
1335 | int fdec = FDEC_1; |
1336 | __u32 def_num, def_dem; | |
7d853532 DA |
1337 | if (sp->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) |
1338 | return -EINVAL; | |
5e950faf | 1339 | mode = vc->mode; |
e6b44bc5 | 1340 | /* high quality capture mode requires a stream restart */ |
340a30c5 | 1341 | if ((vc->cap_parm.capturemode != sp->parm.capture.capturemode) |
1342 | && vb2_is_streaming(&vc->vb_vidq)) | |
e6b44bc5 | 1343 | return -EBUSY; |
fe85ce90 DA |
1344 | def_num = (mode.format == FORMAT_NTSC) ? 1001 : 1000; |
1345 | def_dem = (mode.format == FORMAT_NTSC) ? 30000 : 25000; | |
e6b44bc5 DA |
1346 | if (def_dem != sp->parm.capture.timeperframe.denominator) |
1347 | sp->parm.capture.timeperframe.numerator = def_num; | |
1348 | else if (sp->parm.capture.timeperframe.numerator <= def_num) | |
1349 | sp->parm.capture.timeperframe.numerator = def_num; | |
1350 | else if (sp->parm.capture.timeperframe.numerator <= (def_num * 2)) { | |
1351 | sp->parm.capture.timeperframe.numerator = def_num * 2; | |
1352 | fdec = FDEC_2; | |
1353 | } else if (sp->parm.capture.timeperframe.numerator <= (def_num * 3)) { | |
1354 | sp->parm.capture.timeperframe.numerator = def_num * 3; | |
1355 | fdec = FDEC_3; | |
1356 | } else { | |
1357 | sp->parm.capture.timeperframe.numerator = def_num * 5; | |
1358 | fdec = FDEC_5; | |
1359 | } | |
fe85ce90 | 1360 | mode.fdec = fdec; |
e6b44bc5 | 1361 | sp->parm.capture.timeperframe.denominator = def_dem; |
340a30c5 | 1362 | sp->parm.capture.readbuffers = S2255_MIN_BUFS; |
5e950faf | 1363 | s2255_set_mode(vc, &mode); |
92cde477 | 1364 | dprintk(vc->dev, 4, "%s capture mode, %d timeperframe %d/%d, fdec %d\n", |
e6b44bc5 DA |
1365 | __func__, |
1366 | sp->parm.capture.capturemode, | |
1367 | sp->parm.capture.timeperframe.numerator, | |
1368 | sp->parm.capture.timeperframe.denominator, fdec); | |
1369 | return 0; | |
1370 | } | |
7d853532 | 1371 | |
05e5d44b HV |
1372 | #define NUM_SIZE_ENUMS 3 |
1373 | static const struct v4l2_frmsize_discrete ntsc_sizes[] = { | |
1374 | { 640, 480 }, | |
1375 | { 640, 240 }, | |
1376 | { 320, 240 }, | |
1377 | }; | |
1378 | static const struct v4l2_frmsize_discrete pal_sizes[] = { | |
1379 | { 704, 576 }, | |
1380 | { 704, 288 }, | |
1381 | { 352, 288 }, | |
1382 | }; | |
1383 | ||
1384 | static int vidioc_enum_framesizes(struct file *file, void *priv, | |
1385 | struct v4l2_frmsizeenum *fe) | |
1386 | { | |
340a30c5 | 1387 | struct s2255_vc *vc = video_drvdata(file); |
5e950faf | 1388 | int is_ntsc = vc->std & V4L2_STD_525_60; |
05e5d44b HV |
1389 | const struct s2255_fmt *fmt; |
1390 | ||
1391 | if (fe->index >= NUM_SIZE_ENUMS) | |
1392 | return -EINVAL; | |
1393 | ||
1394 | fmt = format_by_fourcc(fe->pixel_format); | |
1395 | if (fmt == NULL) | |
1396 | return -EINVAL; | |
1397 | fe->type = V4L2_FRMSIZE_TYPE_DISCRETE; | |
1398 | fe->discrete = is_ntsc ? ntsc_sizes[fe->index] : pal_sizes[fe->index]; | |
1399 | return 0; | |
1400 | } | |
1401 | ||
e6b44bc5 DA |
1402 | static int vidioc_enum_frameintervals(struct file *file, void *priv, |
1403 | struct v4l2_frmivalenum *fe) | |
1404 | { | |
340a30c5 | 1405 | struct s2255_vc *vc = video_drvdata(file); |
05e5d44b HV |
1406 | const struct s2255_fmt *fmt; |
1407 | const struct v4l2_frmsize_discrete *sizes; | |
5e950faf | 1408 | int is_ntsc = vc->std & V4L2_STD_525_60; |
e6b44bc5 DA |
1409 | #define NUM_FRAME_ENUMS 4 |
1410 | int frm_dec[NUM_FRAME_ENUMS] = {1, 2, 3, 5}; | |
05e5d44b HV |
1411 | int i; |
1412 | ||
199ab8fe | 1413 | if (fe->index >= NUM_FRAME_ENUMS) |
e6b44bc5 | 1414 | return -EINVAL; |
05e5d44b HV |
1415 | |
1416 | fmt = format_by_fourcc(fe->pixel_format); | |
1417 | if (fmt == NULL) | |
e6b44bc5 | 1418 | return -EINVAL; |
05e5d44b HV |
1419 | |
1420 | sizes = is_ntsc ? ntsc_sizes : pal_sizes; | |
1421 | for (i = 0; i < NUM_SIZE_ENUMS; i++, sizes++) | |
1422 | if (fe->width == sizes->width && | |
1423 | fe->height == sizes->height) | |
1424 | break; | |
1425 | if (i == NUM_SIZE_ENUMS) | |
1426 | return -EINVAL; | |
1427 | ||
e6b44bc5 DA |
1428 | fe->type = V4L2_FRMIVAL_TYPE_DISCRETE; |
1429 | fe->discrete.denominator = is_ntsc ? 30000 : 25000; | |
1430 | fe->discrete.numerator = (is_ntsc ? 1001 : 1000) * frm_dec[fe->index]; | |
92cde477 | 1431 | dprintk(vc->dev, 4, "%s discrete %d/%d\n", __func__, |
f5402007 | 1432 | fe->discrete.numerator, |
e6b44bc5 | 1433 | fe->discrete.denominator); |
7d853532 DA |
1434 | return 0; |
1435 | } | |
e6b44bc5 | 1436 | |
340a30c5 | 1437 | static int s2255_open(struct file *file) |
38f993ad | 1438 | { |
5e950faf | 1439 | struct s2255_vc *vc = video_drvdata(file); |
340a30c5 | 1440 | struct s2255_dev *dev = vc->dev; |
14d96260 | 1441 | int state; |
340a30c5 | 1442 | int rc = 0; |
1443 | ||
1444 | rc = v4l2_fh_open(file); | |
1445 | if (rc != 0) | |
1446 | return rc; | |
1447 | ||
1448 | dprintk(dev, 1, "s2255: %s\n", __func__); | |
ff7e22df DA |
1449 | state = atomic_read(&dev->fw_data->fw_state); |
1450 | switch (state) { | |
1451 | case S2255_FW_DISCONNECTING: | |
14d96260 | 1452 | return -ENODEV; |
14d96260 | 1453 | case S2255_FW_FAILED: |
be9ed511 MCC |
1454 | s2255_dev_err(&dev->udev->dev, |
1455 | "firmware load failed. retrying.\n"); | |
14d96260 | 1456 | s2255_fwload_start(dev, 1); |
38f993ad | 1457 | wait_event_timeout(dev->fw_data->wait_fw, |
14d96260 DA |
1458 | ((atomic_read(&dev->fw_data->fw_state) |
1459 | == S2255_FW_SUCCESS) || | |
1460 | (atomic_read(&dev->fw_data->fw_state) | |
1461 | == S2255_FW_DISCONNECTING)), | |
38f993ad | 1462 | msecs_to_jiffies(S2255_LOAD_TIMEOUT)); |
ff7e22df DA |
1463 | /* state may have changed, re-read */ |
1464 | state = atomic_read(&dev->fw_data->fw_state); | |
14d96260 DA |
1465 | break; |
1466 | case S2255_FW_NOTLOADED: | |
1467 | case S2255_FW_LOADED_DSPWAIT: | |
38f993ad DA |
1468 | /* give S2255_LOAD_TIMEOUT time for firmware to load in case |
1469 | driver loaded and then device immediately opened */ | |
f5402007 | 1470 | pr_info("%s waiting for firmware load\n", __func__); |
38f993ad | 1471 | wait_event_timeout(dev->fw_data->wait_fw, |
14d96260 DA |
1472 | ((atomic_read(&dev->fw_data->fw_state) |
1473 | == S2255_FW_SUCCESS) || | |
1474 | (atomic_read(&dev->fw_data->fw_state) | |
1475 | == S2255_FW_DISCONNECTING)), | |
eb78deec | 1476 | msecs_to_jiffies(S2255_LOAD_TIMEOUT)); |
ff7e22df DA |
1477 | /* state may have changed, re-read */ |
1478 | state = atomic_read(&dev->fw_data->fw_state); | |
14d96260 DA |
1479 | break; |
1480 | case S2255_FW_SUCCESS: | |
1481 | default: | |
1482 | break; | |
1483 | } | |
ff7e22df DA |
1484 | /* state may have changed in above switch statement */ |
1485 | switch (state) { | |
1486 | case S2255_FW_SUCCESS: | |
1487 | break; | |
1488 | case S2255_FW_FAILED: | |
f5402007 | 1489 | pr_info("2255 firmware load failed.\n"); |
ff7e22df DA |
1490 | return -ENODEV; |
1491 | case S2255_FW_DISCONNECTING: | |
f5402007 | 1492 | pr_info("%s: disconnecting\n", __func__); |
ff7e22df DA |
1493 | return -ENODEV; |
1494 | case S2255_FW_LOADED_DSPWAIT: | |
1495 | case S2255_FW_NOTLOADED: | |
f5402007 | 1496 | pr_info("%s: firmware not loaded, please retry\n", |
1497 | __func__); | |
eb78deec DA |
1498 | /* |
1499 | * Timeout on firmware load means device unusable. | |
1500 | * Set firmware failure state. | |
1501 | * On next s2255_open the firmware will be reloaded. | |
1502 | */ | |
1503 | atomic_set(&dev->fw_data->fw_state, | |
1504 | S2255_FW_FAILED); | |
ff7e22df DA |
1505 | return -EAGAIN; |
1506 | default: | |
f5402007 | 1507 | pr_info("%s: unknown state\n", __func__); |
ff7e22df | 1508 | return -EFAULT; |
38f993ad | 1509 | } |
5e950faf | 1510 | if (!vc->configured) { |
fe85ce90 | 1511 | /* configure channel to default state */ |
5e950faf DA |
1512 | vc->fmt = &formats[0]; |
1513 | s2255_set_mode(vc, &vc->mode); | |
1514 | vc->configured = 1; | |
14d96260 | 1515 | } |
38f993ad DA |
1516 | return 0; |
1517 | } | |
1518 | ||
d62e85a0 | 1519 | static void s2255_destroy(struct s2255_dev *dev) |
38f993ad | 1520 | { |
f5402007 | 1521 | dprintk(dev, 1, "%s", __func__); |
38f993ad DA |
1522 | /* board shutdown stops the read pipe if it is running */ |
1523 | s2255_board_shutdown(dev); | |
38f993ad | 1524 | /* make sure firmware still not trying to load */ |
9f6be2bc | 1525 | del_timer_sync(&dev->timer); /* only started in .probe and .open */ |
38f993ad | 1526 | if (dev->fw_data->fw_urb) { |
38f993ad DA |
1527 | usb_kill_urb(dev->fw_data->fw_urb); |
1528 | usb_free_urb(dev->fw_data->fw_urb); | |
1529 | dev->fw_data->fw_urb = NULL; | |
1530 | } | |
3fc82fa0 | 1531 | release_firmware(dev->fw_data->fw); |
f78d92c9 DA |
1532 | kfree(dev->fw_data->pfw_data); |
1533 | kfree(dev->fw_data); | |
ff7e22df DA |
1534 | /* reset the DSP so firmware can be reloaded next time */ |
1535 | s2255_reset_dsppower(dev); | |
ff7e22df | 1536 | mutex_destroy(&dev->lock); |
38f993ad | 1537 | usb_put_dev(dev->udev); |
fe85ce90 | 1538 | v4l2_device_unregister(&dev->v4l2_dev); |
47d8c881 | 1539 | kfree(dev->cmdbuf); |
b7732a32 | 1540 | kfree(dev); |
38f993ad DA |
1541 | } |
1542 | ||
bec43661 | 1543 | static const struct v4l2_file_operations s2255_fops_v4l = { |
38f993ad DA |
1544 | .owner = THIS_MODULE, |
1545 | .open = s2255_open, | |
340a30c5 | 1546 | .release = vb2_fop_release, |
1547 | .poll = vb2_fop_poll, | |
a19a5cd7 | 1548 | .unlocked_ioctl = video_ioctl2, /* V4L2 ioctl handler */ |
340a30c5 | 1549 | .mmap = vb2_fop_mmap, |
1550 | .read = vb2_fop_read, | |
38f993ad DA |
1551 | }; |
1552 | ||
a399810c | 1553 | static const struct v4l2_ioctl_ops s2255_ioctl_ops = { |
38f993ad DA |
1554 | .vidioc_querycap = vidioc_querycap, |
1555 | .vidioc_enum_fmt_vid_cap = vidioc_enum_fmt_vid_cap, | |
1556 | .vidioc_g_fmt_vid_cap = vidioc_g_fmt_vid_cap, | |
1557 | .vidioc_try_fmt_vid_cap = vidioc_try_fmt_vid_cap, | |
1558 | .vidioc_s_fmt_vid_cap = vidioc_s_fmt_vid_cap, | |
340a30c5 | 1559 | .vidioc_reqbufs = vb2_ioctl_reqbufs, |
1560 | .vidioc_querybuf = vb2_ioctl_querybuf, | |
1561 | .vidioc_qbuf = vb2_ioctl_qbuf, | |
1562 | .vidioc_dqbuf = vb2_ioctl_dqbuf, | |
38f993ad | 1563 | .vidioc_s_std = vidioc_s_std, |
469af77a | 1564 | .vidioc_g_std = vidioc_g_std, |
38f993ad DA |
1565 | .vidioc_enum_input = vidioc_enum_input, |
1566 | .vidioc_g_input = vidioc_g_input, | |
1567 | .vidioc_s_input = vidioc_s_input, | |
340a30c5 | 1568 | .vidioc_streamon = vb2_ioctl_streamon, |
1569 | .vidioc_streamoff = vb2_ioctl_streamoff, | |
22b88d48 DA |
1570 | .vidioc_s_jpegcomp = vidioc_s_jpegcomp, |
1571 | .vidioc_g_jpegcomp = vidioc_g_jpegcomp, | |
7d853532 DA |
1572 | .vidioc_s_parm = vidioc_s_parm, |
1573 | .vidioc_g_parm = vidioc_g_parm, | |
05e5d44b | 1574 | .vidioc_enum_framesizes = vidioc_enum_framesizes, |
e6b44bc5 | 1575 | .vidioc_enum_frameintervals = vidioc_enum_frameintervals, |
44d06d82 HV |
1576 | .vidioc_log_status = v4l2_ctrl_log_status, |
1577 | .vidioc_subscribe_event = v4l2_ctrl_subscribe_event, | |
1578 | .vidioc_unsubscribe_event = v4l2_event_unsubscribe, | |
a399810c HV |
1579 | }; |
1580 | ||
ff7e22df DA |
1581 | static void s2255_video_device_release(struct video_device *vdev) |
1582 | { | |
fe85ce90 | 1583 | struct s2255_dev *dev = to_s2255_dev(vdev->v4l2_dev); |
5e950faf DA |
1584 | struct s2255_vc *vc = |
1585 | container_of(vdev, struct s2255_vc, vdev); | |
192f1e78 | 1586 | |
f5402007 | 1587 | dprintk(dev, 4, "%s, chnls: %d\n", __func__, |
fe85ce90 | 1588 | atomic_read(&dev->num_channels)); |
192f1e78 | 1589 | |
5e950faf | 1590 | v4l2_ctrl_handler_free(&vc->hdl); |
f5402007 | 1591 | |
fe85ce90 | 1592 | if (atomic_dec_and_test(&dev->num_channels)) |
d62e85a0 | 1593 | s2255_destroy(dev); |
ff7e22df DA |
1594 | return; |
1595 | } | |
1596 | ||
a399810c HV |
1597 | static struct video_device template = { |
1598 | .name = "s2255v", | |
a399810c HV |
1599 | .fops = &s2255_fops_v4l, |
1600 | .ioctl_ops = &s2255_ioctl_ops, | |
ff7e22df | 1601 | .release = s2255_video_device_release, |
38f993ad | 1602 | .tvnorms = S2255_NORMS, |
38f993ad DA |
1603 | }; |
1604 | ||
192f1e78 HV |
1605 | static const struct v4l2_ctrl_ops s2255_ctrl_ops = { |
1606 | .s_ctrl = s2255_s_ctrl, | |
1607 | }; | |
1608 | ||
1609 | static const struct v4l2_ctrl_config color_filter_ctrl = { | |
1610 | .ops = &s2255_ctrl_ops, | |
1611 | .name = "Color Filter", | |
1612 | .id = V4L2_CID_S2255_COLORFILTER, | |
1613 | .type = V4L2_CTRL_TYPE_BOOLEAN, | |
1614 | .max = 1, | |
1615 | .step = 1, | |
1616 | .def = 1, | |
1617 | }; | |
1618 | ||
38f993ad DA |
1619 | static int s2255_probe_v4l(struct s2255_dev *dev) |
1620 | { | |
1621 | int ret; | |
1622 | int i; | |
1623 | int cur_nr = video_nr; | |
5e950faf | 1624 | struct s2255_vc *vc; |
340a30c5 | 1625 | struct vb2_queue *q; |
1626 | ||
65c6edb3 DA |
1627 | ret = v4l2_device_register(&dev->interface->dev, &dev->v4l2_dev); |
1628 | if (ret) | |
1629 | return ret; | |
38f993ad | 1630 | /* initialize all video 4 linux */ |
38f993ad DA |
1631 | /* register 4 video devices */ |
1632 | for (i = 0; i < MAX_CHANNELS; i++) { | |
5e950faf DA |
1633 | vc = &dev->vc[i]; |
1634 | INIT_LIST_HEAD(&vc->buf_list); | |
192f1e78 | 1635 | |
5e950faf DA |
1636 | v4l2_ctrl_handler_init(&vc->hdl, 6); |
1637 | v4l2_ctrl_new_std(&vc->hdl, &s2255_ctrl_ops, | |
192f1e78 | 1638 | V4L2_CID_BRIGHTNESS, -127, 127, 1, DEF_BRIGHT); |
5e950faf | 1639 | v4l2_ctrl_new_std(&vc->hdl, &s2255_ctrl_ops, |
192f1e78 | 1640 | V4L2_CID_CONTRAST, 0, 255, 1, DEF_CONTRAST); |
5e950faf | 1641 | v4l2_ctrl_new_std(&vc->hdl, &s2255_ctrl_ops, |
192f1e78 | 1642 | V4L2_CID_SATURATION, 0, 255, 1, DEF_SATURATION); |
5e950faf | 1643 | v4l2_ctrl_new_std(&vc->hdl, &s2255_ctrl_ops, |
192f1e78 | 1644 | V4L2_CID_HUE, 0, 255, 1, DEF_HUE); |
5e950faf | 1645 | vc->jpegqual_ctrl = v4l2_ctrl_new_std(&vc->hdl, |
7041dec7 HV |
1646 | &s2255_ctrl_ops, |
1647 | V4L2_CID_JPEG_COMPRESSION_QUALITY, | |
1648 | 0, 100, 1, S2255_DEF_JPEG_QUAL); | |
192f1e78 | 1649 | if (dev->dsp_fw_ver >= S2255_MIN_DSP_COLORFILTER && |
5e950faf DA |
1650 | (dev->pid != 0x2257 || vc->idx <= 1)) |
1651 | v4l2_ctrl_new_custom(&vc->hdl, &color_filter_ctrl, | |
f5402007 | 1652 | NULL); |
5e950faf DA |
1653 | if (vc->hdl.error) { |
1654 | ret = vc->hdl.error; | |
1655 | v4l2_ctrl_handler_free(&vc->hdl); | |
192f1e78 HV |
1656 | dev_err(&dev->udev->dev, "couldn't register control\n"); |
1657 | break; | |
1658 | } | |
340a30c5 | 1659 | q = &vc->vb_vidq; |
1660 | q->type = V4L2_BUF_TYPE_VIDEO_CAPTURE; | |
1661 | q->io_modes = VB2_MMAP | VB2_READ | VB2_USERPTR; | |
1662 | q->drv_priv = vc; | |
1663 | q->lock = &vc->vb_lock; | |
1664 | q->buf_struct_size = sizeof(struct s2255_buffer); | |
1665 | q->mem_ops = &vb2_vmalloc_memops; | |
1666 | q->ops = &s2255_video_qops; | |
ade48681 | 1667 | q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC; |
340a30c5 | 1668 | ret = vb2_queue_init(q); |
1669 | if (ret != 0) { | |
1670 | dev_err(&dev->udev->dev, | |
1671 | "%s vb2_queue_init 0x%x\n", __func__, ret); | |
1672 | break; | |
1673 | } | |
1674 | /* register video devices */ | |
5e950faf | 1675 | vc->vdev = template; |
340a30c5 | 1676 | vc->vdev.queue = q; |
5e950faf DA |
1677 | vc->vdev.ctrl_handler = &vc->hdl; |
1678 | vc->vdev.lock = &dev->lock; | |
1679 | vc->vdev.v4l2_dev = &dev->v4l2_dev; | |
5e950faf | 1680 | video_set_drvdata(&vc->vdev, vc); |
38f993ad | 1681 | if (video_nr == -1) |
5e950faf | 1682 | ret = video_register_device(&vc->vdev, |
38f993ad DA |
1683 | VFL_TYPE_GRABBER, |
1684 | video_nr); | |
1685 | else | |
5e950faf | 1686 | ret = video_register_device(&vc->vdev, |
38f993ad DA |
1687 | VFL_TYPE_GRABBER, |
1688 | cur_nr + i); | |
fe85ce90 | 1689 | |
3a67b5cc | 1690 | if (ret) { |
38f993ad DA |
1691 | dev_err(&dev->udev->dev, |
1692 | "failed to register video device!\n"); | |
3a67b5cc | 1693 | break; |
38f993ad | 1694 | } |
fe85ce90 | 1695 | atomic_inc(&dev->num_channels); |
65c6edb3 | 1696 | v4l2_info(&dev->v4l2_dev, "V4L2 device registered as %s\n", |
5e950faf | 1697 | video_device_node_name(&vc->vdev)); |
3a67b5cc | 1698 | |
38f993ad | 1699 | } |
f5402007 | 1700 | pr_info("Sensoray 2255 V4L driver Revision: %s\n", |
1701 | S2255_VERSION); | |
3a67b5cc | 1702 | /* if no channels registered, return error and probe will fail*/ |
fe85ce90 | 1703 | if (atomic_read(&dev->num_channels) == 0) { |
65c6edb3 | 1704 | v4l2_device_unregister(&dev->v4l2_dev); |
3a67b5cc | 1705 | return ret; |
65c6edb3 | 1706 | } |
fe85ce90 | 1707 | if (atomic_read(&dev->num_channels) != MAX_CHANNELS) |
f5402007 | 1708 | pr_warn("s2255: Not all channels available.\n"); |
3a67b5cc | 1709 | return 0; |
38f993ad DA |
1710 | } |
1711 | ||
38f993ad DA |
1712 | /* this function moves the usb stream read pipe data |
1713 | * into the system buffers. | |
1714 | * returns 0 on success, EAGAIN if more data to process( call this | |
1715 | * function again). | |
1716 | * | |
1717 | * Received frame structure: | |
14d96260 | 1718 | * bytes 0-3: marker : 0x2255DA4AL (S2255_MARKER_FRAME) |
38f993ad DA |
1719 | * bytes 4-7: channel: 0-3 |
1720 | * bytes 8-11: payload size: size of the frame | |
1721 | * bytes 12-payloadsize+12: frame data | |
1722 | */ | |
1723 | static int save_frame(struct s2255_dev *dev, struct s2255_pipeinfo *pipe_info) | |
1724 | { | |
38f993ad DA |
1725 | char *pdest; |
1726 | u32 offset = 0; | |
14d96260 | 1727 | int bframe = 0; |
38f993ad DA |
1728 | char *psrc; |
1729 | unsigned long copy_size; | |
1730 | unsigned long size; | |
1731 | s32 idx = -1; | |
1732 | struct s2255_framei *frm; | |
1733 | unsigned char *pdata; | |
5e950faf | 1734 | struct s2255_vc *vc; |
f5402007 | 1735 | dprintk(dev, 100, "buffer to user\n"); |
5e950faf DA |
1736 | vc = &dev->vc[dev->cc]; |
1737 | idx = vc->cur_frame; | |
1738 | frm = &vc->buffer.frame[idx]; | |
14d96260 DA |
1739 | if (frm->ulState == S2255_READ_IDLE) { |
1740 | int jj; | |
1741 | unsigned int cc; | |
3fa00605 | 1742 | __le32 *pdword; /*data from dsp is little endian */ |
14d96260 DA |
1743 | int payload; |
1744 | /* search for marker codes */ | |
1745 | pdata = (unsigned char *)pipe_info->transfer_buffer; | |
3fa00605 | 1746 | pdword = (__le32 *)pdata; |
14d96260 | 1747 | for (jj = 0; jj < (pipe_info->cur_transfer_size - 12); jj++) { |
3fa00605 | 1748 | switch (*pdword) { |
14d96260 | 1749 | case S2255_MARKER_FRAME: |
f5402007 | 1750 | dprintk(dev, 4, "marker @ offset: %d [%x %x]\n", |
1751 | jj, pdata[0], pdata[1]); | |
14d96260 DA |
1752 | offset = jj + PREFIX_SIZE; |
1753 | bframe = 1; | |
3b2a6306 | 1754 | cc = le32_to_cpu(pdword[1]); |
14d96260 | 1755 | if (cc >= MAX_CHANNELS) { |
f5402007 | 1756 | dprintk(dev, 0, |
1757 | "bad channel\n"); | |
14d96260 DA |
1758 | return -EINVAL; |
1759 | } | |
1760 | /* reverse it */ | |
1761 | dev->cc = G_chnmap[cc]; | |
5e950faf | 1762 | vc = &dev->vc[dev->cc]; |
3b2a6306 | 1763 | payload = le32_to_cpu(pdword[3]); |
5e950faf DA |
1764 | if (payload > vc->req_image_size) { |
1765 | vc->bad_payload++; | |
14d96260 DA |
1766 | /* discard the bad frame */ |
1767 | return -EINVAL; | |
1768 | } | |
5e950faf DA |
1769 | vc->pkt_size = payload; |
1770 | vc->jpg_size = le32_to_cpu(pdword[4]); | |
14d96260 DA |
1771 | break; |
1772 | case S2255_MARKER_RESPONSE: | |
fe85ce90 | 1773 | |
14d96260 DA |
1774 | pdata += DEF_USB_BLOCK; |
1775 | jj += DEF_USB_BLOCK; | |
3b2a6306 | 1776 | if (le32_to_cpu(pdword[1]) >= MAX_CHANNELS) |
14d96260 | 1777 | break; |
3b2a6306 | 1778 | cc = G_chnmap[le32_to_cpu(pdword[1])]; |
f14a2972 | 1779 | if (cc >= MAX_CHANNELS) |
14d96260 | 1780 | break; |
5e950faf | 1781 | vc = &dev->vc[cc]; |
14d96260 | 1782 | switch (pdword[2]) { |
abce21f4 | 1783 | case S2255_RESPONSE_SETMODE: |
14d96260 DA |
1784 | /* check if channel valid */ |
1785 | /* set mode ready */ | |
5e950faf DA |
1786 | vc->setmode_ready = 1; |
1787 | wake_up(&vc->wait_setmode); | |
f5402007 | 1788 | dprintk(dev, 5, "setmode rdy %d\n", cc); |
38f993ad | 1789 | break; |
abce21f4 | 1790 | case S2255_RESPONSE_FW: |
14d96260 DA |
1791 | dev->chn_ready |= (1 << cc); |
1792 | if ((dev->chn_ready & 0x0f) != 0x0f) | |
1793 | break; | |
1794 | /* all channels ready */ | |
f5402007 | 1795 | pr_info("s2255: fw loaded\n"); |
14d96260 DA |
1796 | atomic_set(&dev->fw_data->fw_state, |
1797 | S2255_FW_SUCCESS); | |
1798 | wake_up(&dev->fw_data->wait_fw); | |
1799 | break; | |
4de39f5d | 1800 | case S2255_RESPONSE_STATUS: |
5e950faf DA |
1801 | vc->vidstatus = le32_to_cpu(pdword[3]); |
1802 | vc->vidstatus_ready = 1; | |
1803 | wake_up(&vc->wait_vidstatus); | |
f5402007 | 1804 | dprintk(dev, 5, "vstat %x chan %d\n", |
3b2a6306 | 1805 | le32_to_cpu(pdword[3]), cc); |
4de39f5d | 1806 | break; |
14d96260 | 1807 | default: |
f5402007 | 1808 | pr_info("s2255 unknown resp\n"); |
38f993ad | 1809 | } |
14d96260 | 1810 | default: |
38f993ad | 1811 | pdata++; |
14d96260 | 1812 | break; |
38f993ad | 1813 | } |
14d96260 DA |
1814 | if (bframe) |
1815 | break; | |
1816 | } /* for */ | |
1817 | if (!bframe) | |
1818 | return -EINVAL; | |
38f993ad | 1819 | } |
5e950faf DA |
1820 | vc = &dev->vc[dev->cc]; |
1821 | idx = vc->cur_frame; | |
1822 | frm = &vc->buffer.frame[idx]; | |
14d96260 | 1823 | /* search done. now find out if should be acquiring on this channel */ |
340a30c5 | 1824 | if (!vb2_is_streaming(&vc->vb_vidq)) { |
14d96260 DA |
1825 | /* we found a frame, but this channel is turned off */ |
1826 | frm->ulState = S2255_READ_IDLE; | |
1827 | return -EINVAL; | |
38f993ad DA |
1828 | } |
1829 | ||
14d96260 DA |
1830 | if (frm->ulState == S2255_READ_IDLE) { |
1831 | frm->ulState = S2255_READ_FRAME; | |
1832 | frm->cur_size = 0; | |
38f993ad DA |
1833 | } |
1834 | ||
14d96260 DA |
1835 | /* skip the marker 512 bytes (and offset if out of sync) */ |
1836 | psrc = (u8 *)pipe_info->transfer_buffer + offset; | |
1837 | ||
1838 | ||
38f993ad | 1839 | if (frm->lpvbits == NULL) { |
f5402007 | 1840 | dprintk(dev, 1, "s2255 frame buffer == NULL.%p %p %d %d", |
38f993ad DA |
1841 | frm, dev, dev->cc, idx); |
1842 | return -ENOMEM; | |
1843 | } | |
1844 | ||
1845 | pdest = frm->lpvbits + frm->cur_size; | |
1846 | ||
14d96260 | 1847 | copy_size = (pipe_info->cur_transfer_size - offset); |
38f993ad | 1848 | |
5e950faf | 1849 | size = vc->pkt_size - PREFIX_SIZE; |
38f993ad | 1850 | |
14d96260 | 1851 | /* sanity check on pdest */ |
5e950faf | 1852 | if ((copy_size + frm->cur_size) < vc->req_image_size) |
14d96260 | 1853 | memcpy(pdest, psrc, copy_size); |
38f993ad | 1854 | |
38f993ad | 1855 | frm->cur_size += copy_size; |
f5402007 | 1856 | dprintk(dev, 4, "cur_size: %lu, size: %lu\n", frm->cur_size, size); |
14d96260 DA |
1857 | |
1858 | if (frm->cur_size >= size) { | |
f5402007 | 1859 | dprintk(dev, 2, "******[%d]Buffer[%d]full*******\n", |
fe85ce90 | 1860 | dev->cc, idx); |
5e950faf DA |
1861 | vc->last_frame = vc->cur_frame; |
1862 | vc->cur_frame++; | |
38f993ad | 1863 | /* end of system frame ring buffer, start at zero */ |
5e950faf DA |
1864 | if ((vc->cur_frame == SYS_FRAMES) || |
1865 | (vc->cur_frame == vc->buffer.dwFrames)) | |
1866 | vc->cur_frame = 0; | |
14d96260 | 1867 | /* frame ready */ |
340a30c5 | 1868 | if (vb2_is_streaming(&vc->vb_vidq)) |
5e950faf DA |
1869 | s2255_got_frame(vc, vc->jpg_size); |
1870 | vc->frame_count++; | |
14d96260 DA |
1871 | frm->ulState = S2255_READ_IDLE; |
1872 | frm->cur_size = 0; | |
1873 | ||
38f993ad DA |
1874 | } |
1875 | /* done successfully */ | |
1876 | return 0; | |
1877 | } | |
1878 | ||
1879 | static void s2255_read_video_callback(struct s2255_dev *dev, | |
1880 | struct s2255_pipeinfo *pipe_info) | |
1881 | { | |
1882 | int res; | |
f5402007 | 1883 | dprintk(dev, 50, "callback read video\n"); |
38f993ad DA |
1884 | |
1885 | if (dev->cc >= MAX_CHANNELS) { | |
1886 | dev->cc = 0; | |
1887 | dev_err(&dev->udev->dev, "invalid channel\n"); | |
1888 | return; | |
1889 | } | |
1890 | /* otherwise copy to the system buffers */ | |
1891 | res = save_frame(dev, pipe_info); | |
14d96260 | 1892 | if (res != 0) |
f5402007 | 1893 | dprintk(dev, 4, "s2255: read callback failed\n"); |
38f993ad | 1894 | |
f5402007 | 1895 | dprintk(dev, 50, "callback read video done\n"); |
38f993ad DA |
1896 | return; |
1897 | } | |
1898 | ||
1899 | static long s2255_vendor_req(struct s2255_dev *dev, unsigned char Request, | |
1900 | u16 Index, u16 Value, void *TransferBuffer, | |
1901 | s32 TransferBufferLength, int bOut) | |
1902 | { | |
1903 | int r; | |
1904 | if (!bOut) { | |
1905 | r = usb_control_msg(dev->udev, usb_rcvctrlpipe(dev->udev, 0), | |
1906 | Request, | |
1907 | USB_TYPE_VENDOR | USB_RECIP_DEVICE | | |
1908 | USB_DIR_IN, | |
1909 | Value, Index, TransferBuffer, | |
1910 | TransferBufferLength, HZ * 5); | |
1911 | } else { | |
1912 | r = usb_control_msg(dev->udev, usb_sndctrlpipe(dev->udev, 0), | |
1913 | Request, USB_TYPE_VENDOR | USB_RECIP_DEVICE, | |
1914 | Value, Index, TransferBuffer, | |
1915 | TransferBufferLength, HZ * 5); | |
1916 | } | |
1917 | return r; | |
1918 | } | |
1919 | ||
1920 | /* | |
1921 | * retrieve FX2 firmware version. future use. | |
1922 | * @param dev pointer to device extension | |
1923 | * @return -1 for fail, else returns firmware version as an int(16 bits) | |
1924 | */ | |
1925 | static int s2255_get_fx2fw(struct s2255_dev *dev) | |
1926 | { | |
1927 | int fw; | |
1928 | int ret; | |
1929 | unsigned char transBuffer[64]; | |
1930 | ret = s2255_vendor_req(dev, S2255_VR_FW, 0, 0, transBuffer, 2, | |
1931 | S2255_VR_IN); | |
1932 | if (ret < 0) | |
f5402007 | 1933 | dprintk(dev, 2, "get fw error: %x\n", ret); |
38f993ad | 1934 | fw = transBuffer[0] + (transBuffer[1] << 8); |
f5402007 | 1935 | dprintk(dev, 2, "Get FW %x %x\n", transBuffer[0], transBuffer[1]); |
38f993ad DA |
1936 | return fw; |
1937 | } | |
1938 | ||
1939 | /* | |
1940 | * Create the system ring buffer to copy frames into from the | |
1941 | * usb read pipe. | |
1942 | */ | |
5e950faf | 1943 | static int s2255_create_sys_buffers(struct s2255_vc *vc) |
38f993ad DA |
1944 | { |
1945 | unsigned long i; | |
1946 | unsigned long reqsize; | |
5e950faf | 1947 | vc->buffer.dwFrames = SYS_FRAMES; |
38f993ad DA |
1948 | /* always allocate maximum size(PAL) for system buffers */ |
1949 | reqsize = SYS_FRAMES_MAXSIZE; | |
1950 | ||
1951 | if (reqsize > SYS_FRAMES_MAXSIZE) | |
1952 | reqsize = SYS_FRAMES_MAXSIZE; | |
1953 | ||
1954 | for (i = 0; i < SYS_FRAMES; i++) { | |
1955 | /* allocate the frames */ | |
5e950faf DA |
1956 | vc->buffer.frame[i].lpvbits = vmalloc(reqsize); |
1957 | vc->buffer.frame[i].size = reqsize; | |
1958 | if (vc->buffer.frame[i].lpvbits == NULL) { | |
f5402007 | 1959 | pr_info("out of memory. using less frames\n"); |
5e950faf | 1960 | vc->buffer.dwFrames = i; |
38f993ad DA |
1961 | break; |
1962 | } | |
1963 | } | |
1964 | ||
1965 | /* make sure internal states are set */ | |
1966 | for (i = 0; i < SYS_FRAMES; i++) { | |
5e950faf DA |
1967 | vc->buffer.frame[i].ulState = 0; |
1968 | vc->buffer.frame[i].cur_size = 0; | |
38f993ad DA |
1969 | } |
1970 | ||
5e950faf DA |
1971 | vc->cur_frame = 0; |
1972 | vc->last_frame = -1; | |
38f993ad DA |
1973 | return 0; |
1974 | } | |
1975 | ||
5e950faf | 1976 | static int s2255_release_sys_buffers(struct s2255_vc *vc) |
38f993ad DA |
1977 | { |
1978 | unsigned long i; | |
38f993ad | 1979 | for (i = 0; i < SYS_FRAMES; i++) { |
83f56f7c | 1980 | vfree(vc->buffer.frame[i].lpvbits); |
5e950faf | 1981 | vc->buffer.frame[i].lpvbits = NULL; |
38f993ad DA |
1982 | } |
1983 | return 0; | |
1984 | } | |
1985 | ||
1986 | static int s2255_board_init(struct s2255_dev *dev) | |
1987 | { | |
38f993ad DA |
1988 | struct s2255_mode mode_def = DEF_MODEI_NTSC_CONT; |
1989 | int fw_ver; | |
ab85c6a3 DA |
1990 | int j; |
1991 | struct s2255_pipeinfo *pipe = &dev->pipe; | |
f5402007 | 1992 | dprintk(dev, 4, "board init: %p", dev); |
ab85c6a3 DA |
1993 | memset(pipe, 0, sizeof(*pipe)); |
1994 | pipe->dev = dev; | |
1995 | pipe->cur_transfer_size = S2255_USB_XFER_SIZE; | |
1996 | pipe->max_transfer_size = S2255_USB_XFER_SIZE; | |
1997 | ||
1998 | pipe->transfer_buffer = kzalloc(pipe->max_transfer_size, | |
1999 | GFP_KERNEL); | |
2000 | if (pipe->transfer_buffer == NULL) { | |
f5402007 | 2001 | dprintk(dev, 1, "out of memory!\n"); |
ab85c6a3 | 2002 | return -ENOMEM; |
38f993ad | 2003 | } |
38f993ad DA |
2004 | /* query the firmware */ |
2005 | fw_ver = s2255_get_fx2fw(dev); | |
2006 | ||
f5402007 | 2007 | pr_info("s2255: usb firmware version %d.%d\n", |
2008 | (fw_ver >> 8) & 0xff, | |
2009 | fw_ver & 0xff); | |
abce21f4 DA |
2010 | |
2011 | if (fw_ver < S2255_CUR_USB_FWVER) | |
f5402007 | 2012 | pr_info("s2255: newer USB firmware available\n"); |
38f993ad DA |
2013 | |
2014 | for (j = 0; j < MAX_CHANNELS; j++) { | |
5e950faf | 2015 | struct s2255_vc *vc = &dev->vc[j]; |
5e950faf | 2016 | vc->mode = mode_def; |
5a34d9df | 2017 | if (dev->pid == 0x2257 && j > 1) |
5e950faf DA |
2018 | vc->mode.color |= (1 << 16); |
2019 | vc->jpegqual = S2255_DEF_JPEG_QUAL; | |
2020 | vc->width = LINE_SZ_4CIFS_NTSC; | |
2021 | vc->height = NUM_LINES_4CIFS_NTSC * 2; | |
2022 | vc->std = V4L2_STD_NTSC_M; | |
2023 | vc->fmt = &formats[0]; | |
2024 | vc->mode.restart = 1; | |
2025 | vc->req_image_size = get_transfer_size(&mode_def); | |
2026 | vc->frame_count = 0; | |
38f993ad | 2027 | /* create the system buffers */ |
5e950faf | 2028 | s2255_create_sys_buffers(vc); |
38f993ad DA |
2029 | } |
2030 | /* start read pipe */ | |
2031 | s2255_start_readpipe(dev); | |
f5402007 | 2032 | dprintk(dev, 1, "%s: success\n", __func__); |
38f993ad DA |
2033 | return 0; |
2034 | } | |
2035 | ||
2036 | static int s2255_board_shutdown(struct s2255_dev *dev) | |
2037 | { | |
2038 | u32 i; | |
f5402007 | 2039 | dprintk(dev, 1, "%s: dev: %p", __func__, dev); |
38f993ad DA |
2040 | |
2041 | for (i = 0; i < MAX_CHANNELS; i++) { | |
340a30c5 | 2042 | if (vb2_is_streaming(&dev->vc[i].vb_vidq)) |
5e950faf | 2043 | s2255_stop_acquire(&dev->vc[i]); |
38f993ad | 2044 | } |
38f993ad | 2045 | s2255_stop_readpipe(dev); |
38f993ad | 2046 | for (i = 0; i < MAX_CHANNELS; i++) |
5e950faf | 2047 | s2255_release_sys_buffers(&dev->vc[i]); |
ab85c6a3 DA |
2048 | /* release transfer buffer */ |
2049 | kfree(dev->pipe.transfer_buffer); | |
38f993ad DA |
2050 | return 0; |
2051 | } | |
2052 | ||
2053 | static void read_pipe_completion(struct urb *purb) | |
2054 | { | |
2055 | struct s2255_pipeinfo *pipe_info; | |
2056 | struct s2255_dev *dev; | |
2057 | int status; | |
2058 | int pipe; | |
38f993ad | 2059 | pipe_info = purb->context; |
38f993ad | 2060 | if (pipe_info == NULL) { |
be9ed511 | 2061 | dev_err(&purb->dev->dev, "no context!\n"); |
38f993ad DA |
2062 | return; |
2063 | } | |
38f993ad DA |
2064 | dev = pipe_info->dev; |
2065 | if (dev == NULL) { | |
be9ed511 | 2066 | dev_err(&purb->dev->dev, "no context!\n"); |
38f993ad DA |
2067 | return; |
2068 | } | |
2069 | status = purb->status; | |
b02064ca DA |
2070 | /* if shutting down, do not resubmit, exit immediately */ |
2071 | if (status == -ESHUTDOWN) { | |
f5402007 | 2072 | dprintk(dev, 2, "%s: err shutdown\n", __func__); |
b02064ca | 2073 | pipe_info->err_count++; |
38f993ad DA |
2074 | return; |
2075 | } | |
2076 | ||
2077 | if (pipe_info->state == 0) { | |
f5402007 | 2078 | dprintk(dev, 2, "%s: exiting USB pipe", __func__); |
38f993ad DA |
2079 | return; |
2080 | } | |
2081 | ||
b02064ca DA |
2082 | if (status == 0) |
2083 | s2255_read_video_callback(dev, pipe_info); | |
2084 | else { | |
2085 | pipe_info->err_count++; | |
f5402007 | 2086 | dprintk(dev, 1, "%s: failed URB %d\n", __func__, status); |
b02064ca | 2087 | } |
38f993ad | 2088 | |
38f993ad DA |
2089 | pipe = usb_rcvbulkpipe(dev->udev, dev->read_endpoint); |
2090 | /* reuse urb */ | |
2091 | usb_fill_bulk_urb(pipe_info->stream_urb, dev->udev, | |
2092 | pipe, | |
2093 | pipe_info->transfer_buffer, | |
2094 | pipe_info->cur_transfer_size, | |
2095 | read_pipe_completion, pipe_info); | |
2096 | ||
2097 | if (pipe_info->state != 0) { | |
f5402007 | 2098 | if (usb_submit_urb(pipe_info->stream_urb, GFP_ATOMIC)) |
38f993ad | 2099 | dev_err(&dev->udev->dev, "error submitting urb\n"); |
38f993ad | 2100 | } else { |
f5402007 | 2101 | dprintk(dev, 2, "%s :complete state 0\n", __func__); |
38f993ad DA |
2102 | } |
2103 | return; | |
2104 | } | |
2105 | ||
2106 | static int s2255_start_readpipe(struct s2255_dev *dev) | |
2107 | { | |
2108 | int pipe; | |
2109 | int retval; | |
ab85c6a3 | 2110 | struct s2255_pipeinfo *pipe_info = &dev->pipe; |
38f993ad | 2111 | pipe = usb_rcvbulkpipe(dev->udev, dev->read_endpoint); |
f5402007 | 2112 | dprintk(dev, 2, "%s: IN %d\n", __func__, dev->read_endpoint); |
ab85c6a3 DA |
2113 | pipe_info->state = 1; |
2114 | pipe_info->err_count = 0; | |
2115 | pipe_info->stream_urb = usb_alloc_urb(0, GFP_KERNEL); | |
fc56da79 | 2116 | if (!pipe_info->stream_urb) |
ab85c6a3 | 2117 | return -ENOMEM; |
ab85c6a3 DA |
2118 | /* transfer buffer allocated in board_init */ |
2119 | usb_fill_bulk_urb(pipe_info->stream_urb, dev->udev, | |
2120 | pipe, | |
2121 | pipe_info->transfer_buffer, | |
2122 | pipe_info->cur_transfer_size, | |
2123 | read_pipe_completion, pipe_info); | |
ab85c6a3 DA |
2124 | retval = usb_submit_urb(pipe_info->stream_urb, GFP_KERNEL); |
2125 | if (retval) { | |
f5402007 | 2126 | pr_err("s2255: start read pipe failed\n"); |
ab85c6a3 DA |
2127 | return retval; |
2128 | } | |
38f993ad DA |
2129 | return 0; |
2130 | } | |
2131 | ||
2132 | /* starts acquisition process */ | |
5e950faf | 2133 | static int s2255_start_acquire(struct s2255_vc *vc) |
38f993ad | 2134 | { |
38f993ad DA |
2135 | int res; |
2136 | unsigned long chn_rev; | |
2137 | int j; | |
5e950faf | 2138 | struct s2255_dev *dev = to_s2255_dev(vc->vdev.v4l2_dev); |
47d8c881 | 2139 | __le32 *buffer = dev->cmdbuf; |
38f993ad | 2140 | |
47d8c881 DA |
2141 | mutex_lock(&dev->cmdlock); |
2142 | chn_rev = G_chnmap[vc->idx]; | |
5e950faf DA |
2143 | vc->last_frame = -1; |
2144 | vc->bad_payload = 0; | |
2145 | vc->cur_frame = 0; | |
38f993ad | 2146 | for (j = 0; j < SYS_FRAMES; j++) { |
5e950faf DA |
2147 | vc->buffer.frame[j].ulState = 0; |
2148 | vc->buffer.frame[j].cur_size = 0; | |
38f993ad DA |
2149 | } |
2150 | ||
2151 | /* send the start command */ | |
47d8c881 DA |
2152 | buffer[0] = IN_DATA_TOKEN; |
2153 | buffer[1] = (__le32) cpu_to_le32(chn_rev); | |
2154 | buffer[2] = CMD_START; | |
38f993ad DA |
2155 | res = s2255_write_config(dev->udev, (unsigned char *)buffer, 512); |
2156 | if (res != 0) | |
2157 | dev_err(&dev->udev->dev, "CMD_START error\n"); | |
2158 | ||
5e950faf | 2159 | dprintk(dev, 2, "start acquire exit[%d] %d\n", vc->idx, res); |
47d8c881 | 2160 | mutex_unlock(&dev->cmdlock); |
6a5b63b3 | 2161 | return res; |
38f993ad DA |
2162 | } |
2163 | ||
5e950faf | 2164 | static int s2255_stop_acquire(struct s2255_vc *vc) |
38f993ad | 2165 | { |
38f993ad DA |
2166 | int res; |
2167 | unsigned long chn_rev; | |
5e950faf | 2168 | struct s2255_dev *dev = to_s2255_dev(vc->vdev.v4l2_dev); |
47d8c881 DA |
2169 | __le32 *buffer = dev->cmdbuf; |
2170 | ||
2171 | mutex_lock(&dev->cmdlock); | |
5e950faf | 2172 | chn_rev = G_chnmap[vc->idx]; |
38f993ad | 2173 | /* send the stop command */ |
47d8c881 DA |
2174 | buffer[0] = IN_DATA_TOKEN; |
2175 | buffer[1] = (__le32) cpu_to_le32(chn_rev); | |
2176 | buffer[2] = CMD_STOP; | |
2177 | ||
38f993ad | 2178 | res = s2255_write_config(dev->udev, (unsigned char *)buffer, 512); |
38f993ad DA |
2179 | if (res != 0) |
2180 | dev_err(&dev->udev->dev, "CMD_STOP error\n"); | |
47d8c881 | 2181 | |
5e950faf | 2182 | dprintk(dev, 4, "%s: chn %d, res %d\n", __func__, vc->idx, res); |
47d8c881 | 2183 | mutex_unlock(&dev->cmdlock); |
14d96260 | 2184 | return res; |
38f993ad DA |
2185 | } |
2186 | ||
2187 | static void s2255_stop_readpipe(struct s2255_dev *dev) | |
2188 | { | |
ab85c6a3 | 2189 | struct s2255_pipeinfo *pipe = &dev->pipe; |
8b661b50 | 2190 | |
ab85c6a3 DA |
2191 | pipe->state = 0; |
2192 | if (pipe->stream_urb) { | |
2193 | /* cancel urb */ | |
2194 | usb_kill_urb(pipe->stream_urb); | |
2195 | usb_free_urb(pipe->stream_urb); | |
2196 | pipe->stream_urb = NULL; | |
38f993ad | 2197 | } |
f5402007 | 2198 | dprintk(dev, 4, "%s", __func__); |
38f993ad DA |
2199 | return; |
2200 | } | |
2201 | ||
14d96260 | 2202 | static void s2255_fwload_start(struct s2255_dev *dev, int reset) |
38f993ad | 2203 | { |
14d96260 DA |
2204 | if (reset) |
2205 | s2255_reset_dsppower(dev); | |
38f993ad DA |
2206 | dev->fw_data->fw_size = dev->fw_data->fw->size; |
2207 | atomic_set(&dev->fw_data->fw_state, S2255_FW_NOTLOADED); | |
2208 | memcpy(dev->fw_data->pfw_data, | |
2209 | dev->fw_data->fw->data, CHUNK_SIZE); | |
2210 | dev->fw_data->fw_loaded = CHUNK_SIZE; | |
2211 | usb_fill_bulk_urb(dev->fw_data->fw_urb, dev->udev, | |
2212 | usb_sndbulkpipe(dev->udev, 2), | |
2213 | dev->fw_data->pfw_data, | |
2214 | CHUNK_SIZE, s2255_fwchunk_complete, | |
2215 | dev->fw_data); | |
2216 | mod_timer(&dev->timer, jiffies + HZ); | |
2217 | } | |
2218 | ||
2219 | /* standard usb probe function */ | |
2220 | static int s2255_probe(struct usb_interface *interface, | |
2221 | const struct usb_device_id *id) | |
2222 | { | |
2223 | struct s2255_dev *dev = NULL; | |
2224 | struct usb_host_interface *iface_desc; | |
2225 | struct usb_endpoint_descriptor *endpoint; | |
2226 | int i; | |
2227 | int retval = -ENOMEM; | |
14d96260 DA |
2228 | __le32 *pdata; |
2229 | int fw_size; | |
47d8c881 | 2230 | |
38f993ad DA |
2231 | /* allocate memory for our device state and initialize it to zero */ |
2232 | dev = kzalloc(sizeof(struct s2255_dev), GFP_KERNEL); | |
2233 | if (dev == NULL) { | |
be9ed511 | 2234 | s2255_dev_err(&interface->dev, "out of memory\n"); |
ff7e22df | 2235 | return -ENOMEM; |
38f993ad | 2236 | } |
47d8c881 DA |
2237 | |
2238 | dev->cmdbuf = kzalloc(S2255_CMDBUF_SIZE, GFP_KERNEL); | |
2239 | if (dev->cmdbuf == NULL) { | |
2240 | s2255_dev_err(&interface->dev, "out of memory\n"); | |
e21c94e7 | 2241 | goto errorFWDATA1; |
47d8c881 DA |
2242 | } |
2243 | ||
fe85ce90 | 2244 | atomic_set(&dev->num_channels, 0); |
ff3ec57d | 2245 | dev->pid = id->idProduct; |
38f993ad DA |
2246 | dev->fw_data = kzalloc(sizeof(struct s2255_fw), GFP_KERNEL); |
2247 | if (!dev->fw_data) | |
ff7e22df | 2248 | goto errorFWDATA1; |
38f993ad | 2249 | mutex_init(&dev->lock); |
47d8c881 | 2250 | mutex_init(&dev->cmdlock); |
38f993ad DA |
2251 | /* grab usb_device and save it */ |
2252 | dev->udev = usb_get_dev(interface_to_usbdev(interface)); | |
2253 | if (dev->udev == NULL) { | |
2254 | dev_err(&interface->dev, "null usb device\n"); | |
2255 | retval = -ENODEV; | |
ff7e22df | 2256 | goto errorUDEV; |
38f993ad | 2257 | } |
f5402007 | 2258 | dev_dbg(&interface->dev, "dev: %p, udev %p interface %p\n", |
2259 | dev, dev->udev, interface); | |
38f993ad DA |
2260 | dev->interface = interface; |
2261 | /* set up the endpoint information */ | |
2262 | iface_desc = interface->cur_altsetting; | |
f5402007 | 2263 | dev_dbg(&interface->dev, "num EP: %d\n", |
2264 | iface_desc->desc.bNumEndpoints); | |
38f993ad DA |
2265 | for (i = 0; i < iface_desc->desc.bNumEndpoints; ++i) { |
2266 | endpoint = &iface_desc->endpoint[i].desc; | |
2267 | if (!dev->read_endpoint && usb_endpoint_is_bulk_in(endpoint)) { | |
2268 | /* we found the bulk in endpoint */ | |
2269 | dev->read_endpoint = endpoint->bEndpointAddress; | |
2270 | } | |
2271 | } | |
2272 | ||
2273 | if (!dev->read_endpoint) { | |
be9ed511 | 2274 | dev_err(&interface->dev, "Could not find bulk-in endpoint\n"); |
ff7e22df | 2275 | goto errorEP; |
38f993ad | 2276 | } |
8bf554ca | 2277 | setup_timer(&dev->timer, s2255_timer, (unsigned long)dev->fw_data); |
38f993ad | 2278 | init_waitqueue_head(&dev->fw_data->wait_fw); |
4de39f5d | 2279 | for (i = 0; i < MAX_CHANNELS; i++) { |
5e950faf DA |
2280 | struct s2255_vc *vc = &dev->vc[i]; |
2281 | vc->idx = i; | |
2282 | vc->dev = dev; | |
2283 | init_waitqueue_head(&vc->wait_setmode); | |
2284 | init_waitqueue_head(&vc->wait_vidstatus); | |
340a30c5 | 2285 | spin_lock_init(&vc->qlock); |
2286 | mutex_init(&vc->vb_lock); | |
4de39f5d | 2287 | } |
38f993ad DA |
2288 | |
2289 | dev->fw_data->fw_urb = usb_alloc_urb(0, GFP_KERNEL); | |
fc56da79 | 2290 | if (!dev->fw_data->fw_urb) |
ff7e22df | 2291 | goto errorFWURB; |
ff7e22df | 2292 | |
38f993ad DA |
2293 | dev->fw_data->pfw_data = kzalloc(CHUNK_SIZE, GFP_KERNEL); |
2294 | if (!dev->fw_data->pfw_data) { | |
2295 | dev_err(&interface->dev, "out of memory!\n"); | |
ff7e22df | 2296 | goto errorFWDATA2; |
38f993ad DA |
2297 | } |
2298 | /* load the first chunk */ | |
2299 | if (request_firmware(&dev->fw_data->fw, | |
2300 | FIRMWARE_FILE_NAME, &dev->udev->dev)) { | |
f5402007 | 2301 | dev_err(&interface->dev, "sensoray 2255 failed to get firmware\n"); |
ff7e22df | 2302 | goto errorREQFW; |
38f993ad | 2303 | } |
14d96260 DA |
2304 | /* check the firmware is valid */ |
2305 | fw_size = dev->fw_data->fw->size; | |
2306 | pdata = (__le32 *) &dev->fw_data->fw->data[fw_size - 8]; | |
38f993ad | 2307 | |
14d96260 | 2308 | if (*pdata != S2255_FW_MARKER) { |
f5402007 | 2309 | dev_err(&interface->dev, "Firmware invalid.\n"); |
14d96260 | 2310 | retval = -ENODEV; |
ff7e22df | 2311 | goto errorFWMARKER; |
14d96260 DA |
2312 | } else { |
2313 | /* make sure firmware is the latest */ | |
2314 | __le32 *pRel; | |
2315 | pRel = (__le32 *) &dev->fw_data->fw->data[fw_size - 4]; | |
f5402007 | 2316 | pr_info("s2255 dsp fw version %x\n", le32_to_cpu(*pRel)); |
3b2a6306 DC |
2317 | dev->dsp_fw_ver = le32_to_cpu(*pRel); |
2318 | if (dev->dsp_fw_ver < S2255_CUR_DSP_FWVER) | |
f5402007 | 2319 | pr_info("s2255: f2255usb.bin out of date.\n"); |
3b2a6306 DC |
2320 | if (dev->pid == 0x2257 && |
2321 | dev->dsp_fw_ver < S2255_MIN_DSP_COLORFILTER) | |
f5402007 | 2322 | pr_warn("2257 needs firmware %d or above.\n", |
2323 | S2255_MIN_DSP_COLORFILTER); | |
14d96260 | 2324 | } |
14d96260 | 2325 | usb_reset_device(dev->udev); |
38f993ad | 2326 | /* load 2255 board specific */ |
abce21f4 DA |
2327 | retval = s2255_board_init(dev); |
2328 | if (retval) | |
ff7e22df | 2329 | goto errorBOARDINIT; |
14d96260 | 2330 | s2255_fwload_start(dev, 0); |
ff7e22df DA |
2331 | /* loads v4l specific */ |
2332 | retval = s2255_probe_v4l(dev); | |
2333 | if (retval) | |
3a67b5cc | 2334 | goto errorBOARDINIT; |
38f993ad DA |
2335 | dev_info(&interface->dev, "Sensoray 2255 detected\n"); |
2336 | return 0; | |
ff7e22df DA |
2337 | errorBOARDINIT: |
2338 | s2255_board_shutdown(dev); | |
2339 | errorFWMARKER: | |
2340 | release_firmware(dev->fw_data->fw); | |
2341 | errorREQFW: | |
2342 | kfree(dev->fw_data->pfw_data); | |
2343 | errorFWDATA2: | |
2344 | usb_free_urb(dev->fw_data->fw_urb); | |
2345 | errorFWURB: | |
9f6be2bc | 2346 | del_timer_sync(&dev->timer); |
ff7e22df DA |
2347 | errorEP: |
2348 | usb_put_dev(dev->udev); | |
2349 | errorUDEV: | |
2350 | kfree(dev->fw_data); | |
ff7e22df DA |
2351 | mutex_destroy(&dev->lock); |
2352 | errorFWDATA1: | |
47d8c881 | 2353 | kfree(dev->cmdbuf); |
ff7e22df | 2354 | kfree(dev); |
f5402007 | 2355 | pr_warn("Sensoray 2255 driver load failed: 0x%x\n", retval); |
38f993ad DA |
2356 | return retval; |
2357 | } | |
2358 | ||
2359 | /* disconnect routine. when board is removed physically or with rmmod */ | |
2360 | static void s2255_disconnect(struct usb_interface *interface) | |
2361 | { | |
65c6edb3 | 2362 | struct s2255_dev *dev = to_s2255_dev(usb_get_intfdata(interface)); |
14d96260 | 2363 | int i; |
fe85ce90 | 2364 | int channels = atomic_read(&dev->num_channels); |
a19a5cd7 | 2365 | mutex_lock(&dev->lock); |
fe85ce90 | 2366 | v4l2_device_disconnect(&dev->v4l2_dev); |
a19a5cd7 | 2367 | mutex_unlock(&dev->lock); |
d62e85a0 | 2368 | /*see comments in the uvc_driver.c usb disconnect function */ |
fe85ce90 | 2369 | atomic_inc(&dev->num_channels); |
ff7e22df | 2370 | /* unregister each video device. */ |
fe85ce90 | 2371 | for (i = 0; i < channels; i++) |
5e950faf | 2372 | video_unregister_device(&dev->vc[i].vdev); |
ff7e22df | 2373 | /* wake up any of our timers */ |
14d96260 DA |
2374 | atomic_set(&dev->fw_data->fw_state, S2255_FW_DISCONNECTING); |
2375 | wake_up(&dev->fw_data->wait_fw); | |
2376 | for (i = 0; i < MAX_CHANNELS; i++) { | |
5e950faf DA |
2377 | dev->vc[i].setmode_ready = 1; |
2378 | wake_up(&dev->vc[i].wait_setmode); | |
2379 | dev->vc[i].vidstatus_ready = 1; | |
2380 | wake_up(&dev->vc[i].wait_vidstatus); | |
14d96260 | 2381 | } |
fe85ce90 | 2382 | if (atomic_dec_and_test(&dev->num_channels)) |
d62e85a0 | 2383 | s2255_destroy(dev); |
ff7e22df | 2384 | dev_info(&interface->dev, "%s\n", __func__); |
38f993ad DA |
2385 | } |
2386 | ||
2387 | static struct usb_driver s2255_driver = { | |
be9ed511 | 2388 | .name = S2255_DRIVER_NAME, |
38f993ad DA |
2389 | .probe = s2255_probe, |
2390 | .disconnect = s2255_disconnect, | |
2391 | .id_table = s2255_table, | |
2392 | }; | |
2393 | ||
ecb3b2b3 | 2394 | module_usb_driver(s2255_driver); |
38f993ad DA |
2395 | |
2396 | MODULE_DESCRIPTION("Sensoray 2255 Video for Linux driver"); | |
2397 | MODULE_AUTHOR("Dean Anderson (Sensoray Company Inc.)"); | |
2398 | MODULE_LICENSE("GPL"); | |
64dc3c1a | 2399 | MODULE_VERSION(S2255_VERSION); |
1bec982d | 2400 | MODULE_FIRMWARE(FIRMWARE_FILE_NAME); |