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Commit | Line | Data |
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e0d3bafd | 1 | /* |
cde4362f MCC |
2 | cx231xx-video.c - driver for Conexant Cx23100/101/102 |
3 | USB video capture devices | |
e0d3bafd SD |
4 | |
5 | Copyright (C) 2008 <srinivasa.deevi at conexant dot com> | |
84b5dbf3 MCC |
6 | Based on em28xx driver |
7 | Based on cx23885 driver | |
8 | Based on cx88 driver | |
e0d3bafd SD |
9 | |
10 | This program is free software; you can redistribute it and/or modify | |
11 | it under the terms of the GNU General Public License as published by | |
12 | the Free Software Foundation; either version 2 of the License, or | |
13 | (at your option) any later version. | |
14 | ||
15 | This program is distributed in the hope that it will be useful, | |
16 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
17 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
18 | GNU General Public License for more details. | |
19 | ||
20 | You should have received a copy of the GNU General Public License | |
21 | along with this program; if not, write to the Free Software | |
22 | Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. | |
23 | */ | |
24 | ||
589dadf2 | 25 | #include "cx231xx.h" |
e0d3bafd SD |
26 | #include <linux/init.h> |
27 | #include <linux/list.h> | |
28 | #include <linux/module.h> | |
29 | #include <linux/kernel.h> | |
30 | #include <linux/bitmap.h> | |
31 | #include <linux/usb.h> | |
32 | #include <linux/i2c.h> | |
e0d3bafd SD |
33 | #include <linux/mm.h> |
34 | #include <linux/mutex.h> | |
5a0e3ad6 | 35 | #include <linux/slab.h> |
e0d3bafd SD |
36 | |
37 | #include <media/v4l2-common.h> | |
38 | #include <media/v4l2-ioctl.h> | |
1d08a4fa | 39 | #include <media/v4l2-event.h> |
e0d3bafd SD |
40 | #include <media/msp3400.h> |
41 | #include <media/tuner.h> | |
42 | ||
43 | #include "dvb_frontend.h" | |
44 | ||
e0d3bafd SD |
45 | #include "cx231xx-vbi.h" |
46 | ||
1990d50b | 47 | #define CX231XX_VERSION "0.0.2" |
818fdf34 | 48 | |
e0d3bafd SD |
49 | #define DRIVER_AUTHOR "Srinivasa Deevi <srinivasa.deevi@conexant.com>" |
50 | #define DRIVER_DESC "Conexant cx231xx based USB video device driver" | |
51 | ||
e0d3bafd SD |
52 | #define cx231xx_videodbg(fmt, arg...) do {\ |
53 | if (video_debug) \ | |
54 | printk(KERN_INFO "%s %s :"fmt, \ | |
55 | dev->name, __func__ , ##arg); } while (0) | |
56 | ||
57 | static unsigned int isoc_debug; | |
58 | module_param(isoc_debug, int, 0644); | |
59 | MODULE_PARM_DESC(isoc_debug, "enable debug messages [isoc transfers]"); | |
60 | ||
61 | #define cx231xx_isocdbg(fmt, arg...) \ | |
62 | do {\ | |
63 | if (isoc_debug) { \ | |
64 | printk(KERN_INFO "%s %s :"fmt, \ | |
65 | dev->name, __func__ , ##arg); \ | |
66 | } \ | |
67 | } while (0) | |
68 | ||
69 | MODULE_AUTHOR(DRIVER_AUTHOR); | |
70 | MODULE_DESCRIPTION(DRIVER_DESC); | |
71 | MODULE_LICENSE("GPL"); | |
1990d50b | 72 | MODULE_VERSION(CX231XX_VERSION); |
e0d3bafd | 73 | |
e0d3bafd SD |
74 | static unsigned int card[] = {[0 ... (CX231XX_MAXBOARDS - 1)] = UNSET }; |
75 | static unsigned int video_nr[] = {[0 ... (CX231XX_MAXBOARDS - 1)] = UNSET }; | |
76 | static unsigned int vbi_nr[] = {[0 ... (CX231XX_MAXBOARDS - 1)] = UNSET }; | |
77 | static unsigned int radio_nr[] = {[0 ... (CX231XX_MAXBOARDS - 1)] = UNSET }; | |
78 | ||
84b5dbf3 | 79 | module_param_array(card, int, NULL, 0444); |
e0d3bafd SD |
80 | module_param_array(video_nr, int, NULL, 0444); |
81 | module_param_array(vbi_nr, int, NULL, 0444); | |
82 | module_param_array(radio_nr, int, NULL, 0444); | |
83 | ||
84b5dbf3 | 84 | MODULE_PARM_DESC(card, "card type"); |
e0d3bafd | 85 | MODULE_PARM_DESC(video_nr, "video device numbers"); |
84b5dbf3 | 86 | MODULE_PARM_DESC(vbi_nr, "vbi device numbers"); |
e0d3bafd SD |
87 | MODULE_PARM_DESC(radio_nr, "radio device numbers"); |
88 | ||
89 | static unsigned int video_debug; | |
90 | module_param(video_debug, int, 0644); | |
91 | MODULE_PARM_DESC(video_debug, "enable debug messages [video]"); | |
92 | ||
e0d3bafd SD |
93 | /* supported video standards */ |
94 | static struct cx231xx_fmt format[] = { | |
95 | { | |
84b5dbf3 MCC |
96 | .name = "16bpp YUY2, 4:2:2, packed", |
97 | .fourcc = V4L2_PIX_FMT_YUYV, | |
98 | .depth = 16, | |
99 | .reg = 0, | |
100 | }, | |
e0d3bafd SD |
101 | }; |
102 | ||
e0d3bafd | 103 | |
e0d3bafd SD |
104 | /* ------------------------------------------------------------------ |
105 | Video buffer and parser functions | |
106 | ------------------------------------------------------------------*/ | |
107 | ||
108 | /* | |
109 | * Announces that a buffer were filled and request the next | |
110 | */ | |
111 | static inline void buffer_filled(struct cx231xx *dev, | |
84b5dbf3 MCC |
112 | struct cx231xx_dmaqueue *dma_q, |
113 | struct cx231xx_buffer *buf) | |
e0d3bafd SD |
114 | { |
115 | /* Advice that buffer was filled */ | |
116 | cx231xx_isocdbg("[%p/%d] wakeup\n", buf, buf->vb.i); | |
117 | buf->vb.state = VIDEOBUF_DONE; | |
118 | buf->vb.field_count++; | |
8e6057b5 | 119 | v4l2_get_timestamp(&buf->vb.ts); |
e0d3bafd | 120 | |
64fbf444 PB |
121 | if (dev->USE_ISO) |
122 | dev->video_mode.isoc_ctl.buf = NULL; | |
123 | else | |
124 | dev->video_mode.bulk_ctl.buf = NULL; | |
e0d3bafd SD |
125 | |
126 | list_del(&buf->vb.queue); | |
127 | wake_up(&buf->vb.done); | |
128 | } | |
129 | ||
84b5dbf3 | 130 | static inline void print_err_status(struct cx231xx *dev, int packet, int status) |
e0d3bafd SD |
131 | { |
132 | char *errmsg = "Unknown"; | |
133 | ||
134 | switch (status) { | |
135 | case -ENOENT: | |
136 | errmsg = "unlinked synchronuously"; | |
137 | break; | |
138 | case -ECONNRESET: | |
139 | errmsg = "unlinked asynchronuously"; | |
140 | break; | |
141 | case -ENOSR: | |
142 | errmsg = "Buffer error (overrun)"; | |
143 | break; | |
144 | case -EPIPE: | |
145 | errmsg = "Stalled (device not responding)"; | |
146 | break; | |
147 | case -EOVERFLOW: | |
148 | errmsg = "Babble (bad cable?)"; | |
149 | break; | |
150 | case -EPROTO: | |
151 | errmsg = "Bit-stuff error (bad cable?)"; | |
152 | break; | |
153 | case -EILSEQ: | |
154 | errmsg = "CRC/Timeout (could be anything)"; | |
155 | break; | |
156 | case -ETIME: | |
157 | errmsg = "Device does not respond"; | |
158 | break; | |
159 | } | |
160 | if (packet < 0) { | |
84b5dbf3 | 161 | cx231xx_isocdbg("URB status %d [%s].\n", status, errmsg); |
e0d3bafd SD |
162 | } else { |
163 | cx231xx_isocdbg("URB packet %d, status %d [%s].\n", | |
84b5dbf3 | 164 | packet, status, errmsg); |
e0d3bafd SD |
165 | } |
166 | } | |
167 | ||
168 | /* | |
169 | * video-buf generic routine to get the next available buffer | |
170 | */ | |
171 | static inline void get_next_buf(struct cx231xx_dmaqueue *dma_q, | |
84b5dbf3 | 172 | struct cx231xx_buffer **buf) |
e0d3bafd | 173 | { |
84b5dbf3 MCC |
174 | struct cx231xx_video_mode *vmode = |
175 | container_of(dma_q, struct cx231xx_video_mode, vidq); | |
176 | struct cx231xx *dev = container_of(vmode, struct cx231xx, video_mode); | |
e0d3bafd SD |
177 | |
178 | char *outp; | |
179 | ||
e0d3bafd SD |
180 | if (list_empty(&dma_q->active)) { |
181 | cx231xx_isocdbg("No active queue to serve\n"); | |
64fbf444 PB |
182 | if (dev->USE_ISO) |
183 | dev->video_mode.isoc_ctl.buf = NULL; | |
184 | else | |
185 | dev->video_mode.bulk_ctl.buf = NULL; | |
e0d3bafd SD |
186 | *buf = NULL; |
187 | return; | |
188 | } | |
189 | ||
190 | /* Get the next buffer */ | |
191 | *buf = list_entry(dma_q->active.next, struct cx231xx_buffer, vb.queue); | |
192 | ||
25985edc | 193 | /* Cleans up buffer - Useful for testing for frame/URB loss */ |
e0d3bafd SD |
194 | outp = videobuf_to_vmalloc(&(*buf)->vb); |
195 | memset(outp, 0, (*buf)->vb.size); | |
196 | ||
64fbf444 PB |
197 | if (dev->USE_ISO) |
198 | dev->video_mode.isoc_ctl.buf = *buf; | |
199 | else | |
200 | dev->video_mode.bulk_ctl.buf = *buf; | |
e0d3bafd SD |
201 | |
202 | return; | |
203 | } | |
204 | ||
205 | /* | |
206 | * Controls the isoc copy of each urb packet | |
207 | */ | |
208 | static inline int cx231xx_isoc_copy(struct cx231xx *dev, struct urb *urb) | |
209 | { | |
84b5dbf3 | 210 | struct cx231xx_dmaqueue *dma_q = urb->context; |
4df16f70 | 211 | int i; |
e0d3bafd | 212 | unsigned char *p_buffer; |
84b5dbf3 MCC |
213 | u32 bytes_parsed = 0, buffer_size = 0; |
214 | u8 sav_eav = 0; | |
e0d3bafd SD |
215 | |
216 | if (!dev) | |
217 | return 0; | |
218 | ||
990862a2 | 219 | if (dev->state & DEV_DISCONNECTED) |
e0d3bafd SD |
220 | return 0; |
221 | ||
222 | if (urb->status < 0) { | |
223 | print_err_status(dev, -1, urb->status); | |
224 | if (urb->status == -ENOENT) | |
225 | return 0; | |
226 | } | |
227 | ||
e0d3bafd SD |
228 | for (i = 0; i < urb->number_of_packets; i++) { |
229 | int status = urb->iso_frame_desc[i].status; | |
230 | ||
231 | if (status < 0) { | |
232 | print_err_status(dev, i, status); | |
233 | if (urb->iso_frame_desc[i].status != -EPROTO) | |
234 | continue; | |
235 | } | |
236 | ||
84b5dbf3 | 237 | if (urb->iso_frame_desc[i].actual_length <= 0) { |
e0d3bafd SD |
238 | /* cx231xx_isocdbg("packet %d is empty",i); - spammy */ |
239 | continue; | |
240 | } | |
241 | if (urb->iso_frame_desc[i].actual_length > | |
84b5dbf3 | 242 | dev->video_mode.max_pkt_size) { |
e0d3bafd SD |
243 | cx231xx_isocdbg("packet bigger than packet size"); |
244 | continue; | |
245 | } | |
246 | ||
84b5dbf3 | 247 | /* get buffer pointer and length */ |
e0d3bafd | 248 | p_buffer = urb->transfer_buffer + urb->iso_frame_desc[i].offset; |
84b5dbf3 MCC |
249 | buffer_size = urb->iso_frame_desc[i].actual_length; |
250 | bytes_parsed = 0; | |
251 | ||
252 | if (dma_q->is_partial_line) { | |
b9255176 | 253 | /* Handle the case of a partial line */ |
84b5dbf3 MCC |
254 | sav_eav = dma_q->last_sav; |
255 | } else { | |
b9255176 SD |
256 | /* Check for a SAV/EAV overlapping |
257 | the buffer boundary */ | |
84b5dbf3 MCC |
258 | sav_eav = |
259 | cx231xx_find_boundary_SAV_EAV(p_buffer, | |
260 | dma_q->partial_buf, | |
261 | &bytes_parsed); | |
262 | } | |
e0d3bafd | 263 | |
84b5dbf3 | 264 | sav_eav &= 0xF0; |
cde4362f MCC |
265 | /* Get the first line if we have some portion of an SAV/EAV from |
266 | the last buffer or a partial line */ | |
84b5dbf3 | 267 | if (sav_eav) { |
cde4362f | 268 | bytes_parsed += cx231xx_get_video_line(dev, dma_q, |
b9255176 SD |
269 | sav_eav, /* SAV/EAV */ |
270 | p_buffer + bytes_parsed, /* p_buffer */ | |
271 | buffer_size - bytes_parsed);/* buf size */ | |
84b5dbf3 | 272 | } |
e0d3bafd | 273 | |
84b5dbf3 MCC |
274 | /* Now parse data that is completely in this buffer */ |
275 | /* dma_q->is_partial_line = 0; */ | |
e0d3bafd | 276 | |
84b5dbf3 MCC |
277 | while (bytes_parsed < buffer_size) { |
278 | u32 bytes_used = 0; | |
e0d3bafd | 279 | |
b9255176 SD |
280 | sav_eav = cx231xx_find_next_SAV_EAV( |
281 | p_buffer + bytes_parsed, /* p_buffer */ | |
282 | buffer_size - bytes_parsed, /* buf size */ | |
283 | &bytes_used);/* bytes used to get SAV/EAV */ | |
e0d3bafd | 284 | |
84b5dbf3 | 285 | bytes_parsed += bytes_used; |
e0d3bafd | 286 | |
84b5dbf3 MCC |
287 | sav_eav &= 0xF0; |
288 | if (sav_eav && (bytes_parsed < buffer_size)) { | |
cde4362f | 289 | bytes_parsed += cx231xx_get_video_line(dev, |
b9255176 SD |
290 | dma_q, sav_eav, /* SAV/EAV */ |
291 | p_buffer + bytes_parsed,/* p_buffer */ | |
292 | buffer_size - bytes_parsed);/*buf size*/ | |
84b5dbf3 MCC |
293 | } |
294 | } | |
e0d3bafd | 295 | |
cde4362f MCC |
296 | /* Save the last four bytes of the buffer so we can check the |
297 | buffer boundary condition next time */ | |
84b5dbf3 MCC |
298 | memcpy(dma_q->partial_buf, p_buffer + buffer_size - 4, 4); |
299 | bytes_parsed = 0; | |
e0d3bafd | 300 | |
84b5dbf3 | 301 | } |
4df16f70 | 302 | return 1; |
e0d3bafd SD |
303 | } |
304 | ||
64fbf444 PB |
305 | static inline int cx231xx_bulk_copy(struct cx231xx *dev, struct urb *urb) |
306 | { | |
64fbf444 | 307 | struct cx231xx_dmaqueue *dma_q = urb->context; |
64fbf444 PB |
308 | unsigned char *p_buffer; |
309 | u32 bytes_parsed = 0, buffer_size = 0; | |
310 | u8 sav_eav = 0; | |
311 | ||
312 | if (!dev) | |
313 | return 0; | |
314 | ||
990862a2 | 315 | if (dev->state & DEV_DISCONNECTED) |
64fbf444 PB |
316 | return 0; |
317 | ||
318 | if (urb->status < 0) { | |
319 | print_err_status(dev, -1, urb->status); | |
320 | if (urb->status == -ENOENT) | |
321 | return 0; | |
322 | } | |
323 | ||
64fbf444 PB |
324 | if (1) { |
325 | ||
326 | /* get buffer pointer and length */ | |
327 | p_buffer = urb->transfer_buffer; | |
328 | buffer_size = urb->actual_length; | |
329 | bytes_parsed = 0; | |
330 | ||
331 | if (dma_q->is_partial_line) { | |
332 | /* Handle the case of a partial line */ | |
333 | sav_eav = dma_q->last_sav; | |
334 | } else { | |
335 | /* Check for a SAV/EAV overlapping | |
336 | the buffer boundary */ | |
337 | sav_eav = | |
338 | cx231xx_find_boundary_SAV_EAV(p_buffer, | |
339 | dma_q->partial_buf, | |
340 | &bytes_parsed); | |
341 | } | |
342 | ||
343 | sav_eav &= 0xF0; | |
344 | /* Get the first line if we have some portion of an SAV/EAV from | |
345 | the last buffer or a partial line */ | |
346 | if (sav_eav) { | |
347 | bytes_parsed += cx231xx_get_video_line(dev, dma_q, | |
348 | sav_eav, /* SAV/EAV */ | |
349 | p_buffer + bytes_parsed, /* p_buffer */ | |
350 | buffer_size - bytes_parsed);/* buf size */ | |
351 | } | |
352 | ||
353 | /* Now parse data that is completely in this buffer */ | |
354 | /* dma_q->is_partial_line = 0; */ | |
355 | ||
356 | while (bytes_parsed < buffer_size) { | |
357 | u32 bytes_used = 0; | |
358 | ||
359 | sav_eav = cx231xx_find_next_SAV_EAV( | |
360 | p_buffer + bytes_parsed, /* p_buffer */ | |
361 | buffer_size - bytes_parsed, /* buf size */ | |
362 | &bytes_used);/* bytes used to get SAV/EAV */ | |
363 | ||
364 | bytes_parsed += bytes_used; | |
365 | ||
366 | sav_eav &= 0xF0; | |
367 | if (sav_eav && (bytes_parsed < buffer_size)) { | |
368 | bytes_parsed += cx231xx_get_video_line(dev, | |
369 | dma_q, sav_eav, /* SAV/EAV */ | |
370 | p_buffer + bytes_parsed,/* p_buffer */ | |
371 | buffer_size - bytes_parsed);/*buf size*/ | |
372 | } | |
373 | } | |
374 | ||
375 | /* Save the last four bytes of the buffer so we can check the | |
376 | buffer boundary condition next time */ | |
377 | memcpy(dma_q->partial_buf, p_buffer + buffer_size - 4, 4); | |
378 | bytes_parsed = 0; | |
379 | ||
380 | } | |
4df16f70 | 381 | return 1; |
64fbf444 PB |
382 | } |
383 | ||
384 | ||
cde4362f MCC |
385 | u8 cx231xx_find_boundary_SAV_EAV(u8 *p_buffer, u8 *partial_buf, |
386 | u32 *p_bytes_used) | |
e0d3bafd | 387 | { |
84b5dbf3 MCC |
388 | u32 bytes_used; |
389 | u8 boundary_bytes[8]; | |
390 | u8 sav_eav = 0; | |
391 | ||
392 | *p_bytes_used = 0; | |
e0d3bafd | 393 | |
84b5dbf3 MCC |
394 | /* Create an array of the last 4 bytes of the last buffer and the first |
395 | 4 bytes of the current buffer. */ | |
e0d3bafd | 396 | |
84b5dbf3 MCC |
397 | memcpy(boundary_bytes, partial_buf, 4); |
398 | memcpy(boundary_bytes + 4, p_buffer, 4); | |
e0d3bafd | 399 | |
84b5dbf3 | 400 | /* Check for the SAV/EAV in the boundary buffer */ |
cde4362f MCC |
401 | sav_eav = cx231xx_find_next_SAV_EAV((u8 *)&boundary_bytes, 8, |
402 | &bytes_used); | |
e0d3bafd | 403 | |
84b5dbf3 MCC |
404 | if (sav_eav) { |
405 | /* found a boundary SAV/EAV. Updates the bytes used to reflect | |
406 | only those used in the new buffer */ | |
407 | *p_bytes_used = bytes_used - 4; | |
408 | } | |
e0d3bafd | 409 | |
84b5dbf3 | 410 | return sav_eav; |
e0d3bafd SD |
411 | } |
412 | ||
cde4362f | 413 | u8 cx231xx_find_next_SAV_EAV(u8 *p_buffer, u32 buffer_size, u32 *p_bytes_used) |
84b5dbf3 MCC |
414 | { |
415 | u32 i; | |
416 | u8 sav_eav = 0; | |
e0d3bafd | 417 | |
cde4362f MCC |
418 | /* |
419 | * Don't search if the buffer size is less than 4. It causes a page | |
420 | * fault since buffer_size - 4 evaluates to a large number in that | |
421 | * case. | |
422 | */ | |
84b5dbf3 MCC |
423 | if (buffer_size < 4) { |
424 | *p_bytes_used = buffer_size; | |
425 | return 0; | |
426 | } | |
e0d3bafd | 427 | |
84b5dbf3 | 428 | for (i = 0; i < (buffer_size - 3); i++) { |
e0d3bafd | 429 | |
84b5dbf3 MCC |
430 | if ((p_buffer[i] == 0xFF) && |
431 | (p_buffer[i + 1] == 0x00) && (p_buffer[i + 2] == 0x00)) { | |
e0d3bafd | 432 | |
84b5dbf3 MCC |
433 | *p_bytes_used = i + 4; |
434 | sav_eav = p_buffer[i + 3]; | |
435 | return sav_eav; | |
436 | } | |
437 | } | |
e0d3bafd | 438 | |
84b5dbf3 MCC |
439 | *p_bytes_used = buffer_size; |
440 | return 0; | |
441 | } | |
e0d3bafd | 442 | |
cde4362f MCC |
443 | u32 cx231xx_get_video_line(struct cx231xx *dev, |
444 | struct cx231xx_dmaqueue *dma_q, u8 sav_eav, | |
445 | u8 *p_buffer, u32 buffer_size) | |
84b5dbf3 MCC |
446 | { |
447 | u32 bytes_copied = 0; | |
448 | int current_field = -1; | |
449 | ||
450 | switch (sav_eav) { | |
451 | case SAV_ACTIVE_VIDEO_FIELD1: | |
cde4362f MCC |
452 | /* looking for skipped line which occurred in PAL 720x480 mode. |
453 | In this case, there will be no active data contained | |
454 | between the SAV and EAV */ | |
455 | if ((buffer_size > 3) && (p_buffer[0] == 0xFF) && | |
456 | (p_buffer[1] == 0x00) && (p_buffer[2] == 0x00) && | |
457 | ((p_buffer[3] == EAV_ACTIVE_VIDEO_FIELD1) || | |
458 | (p_buffer[3] == EAV_ACTIVE_VIDEO_FIELD2) || | |
459 | (p_buffer[3] == EAV_VBLANK_FIELD1) || | |
460 | (p_buffer[3] == EAV_VBLANK_FIELD2))) | |
84b5dbf3 | 461 | return bytes_copied; |
84b5dbf3 MCC |
462 | current_field = 1; |
463 | break; | |
e0d3bafd | 464 | |
84b5dbf3 | 465 | case SAV_ACTIVE_VIDEO_FIELD2: |
cde4362f MCC |
466 | /* looking for skipped line which occurred in PAL 720x480 mode. |
467 | In this case, there will be no active data contained between | |
468 | the SAV and EAV */ | |
469 | if ((buffer_size > 3) && (p_buffer[0] == 0xFF) && | |
470 | (p_buffer[1] == 0x00) && (p_buffer[2] == 0x00) && | |
471 | ((p_buffer[3] == EAV_ACTIVE_VIDEO_FIELD1) || | |
472 | (p_buffer[3] == EAV_ACTIVE_VIDEO_FIELD2) || | |
473 | (p_buffer[3] == EAV_VBLANK_FIELD1) || | |
474 | (p_buffer[3] == EAV_VBLANK_FIELD2))) | |
84b5dbf3 | 475 | return bytes_copied; |
84b5dbf3 MCC |
476 | current_field = 2; |
477 | break; | |
478 | } | |
e0d3bafd | 479 | |
84b5dbf3 | 480 | dma_q->last_sav = sav_eav; |
e0d3bafd | 481 | |
cde4362f MCC |
482 | bytes_copied = cx231xx_copy_video_line(dev, dma_q, p_buffer, |
483 | buffer_size, current_field); | |
84b5dbf3 MCC |
484 | |
485 | return bytes_copied; | |
e0d3bafd SD |
486 | } |
487 | ||
cde4362f MCC |
488 | u32 cx231xx_copy_video_line(struct cx231xx *dev, |
489 | struct cx231xx_dmaqueue *dma_q, u8 *p_line, | |
84b5dbf3 | 490 | u32 length, int field_number) |
e0d3bafd | 491 | { |
84b5dbf3 MCC |
492 | u32 bytes_to_copy; |
493 | struct cx231xx_buffer *buf; | |
494 | u32 _line_size = dev->width * 2; | |
e0d3bafd | 495 | |
cde4362f | 496 | if (dma_q->current_field != field_number) |
84b5dbf3 | 497 | cx231xx_reset_video_buffer(dev, dma_q); |
e0d3bafd | 498 | |
84b5dbf3 | 499 | /* get the buffer pointer */ |
64fbf444 PB |
500 | if (dev->USE_ISO) |
501 | buf = dev->video_mode.isoc_ctl.buf; | |
502 | else | |
503 | buf = dev->video_mode.bulk_ctl.buf; | |
e0d3bafd | 504 | |
84b5dbf3 MCC |
505 | /* Remember the field number for next time */ |
506 | dma_q->current_field = field_number; | |
e0d3bafd | 507 | |
84b5dbf3 MCC |
508 | bytes_to_copy = dma_q->bytes_left_in_line; |
509 | if (bytes_to_copy > length) | |
510 | bytes_to_copy = length; | |
e0d3bafd | 511 | |
84b5dbf3 MCC |
512 | if (dma_q->lines_completed >= dma_q->lines_per_field) { |
513 | dma_q->bytes_left_in_line -= bytes_to_copy; | |
cde4362f MCC |
514 | dma_q->is_partial_line = (dma_q->bytes_left_in_line == 0) ? |
515 | 0 : 1; | |
84b5dbf3 MCC |
516 | return 0; |
517 | } | |
e0d3bafd | 518 | |
84b5dbf3 | 519 | dma_q->is_partial_line = 1; |
e0d3bafd | 520 | |
84b5dbf3 MCC |
521 | /* If we don't have a buffer, just return the number of bytes we would |
522 | have copied if we had a buffer. */ | |
523 | if (!buf) { | |
524 | dma_q->bytes_left_in_line -= bytes_to_copy; | |
cde4362f MCC |
525 | dma_q->is_partial_line = (dma_q->bytes_left_in_line == 0) |
526 | ? 0 : 1; | |
84b5dbf3 MCC |
527 | return bytes_to_copy; |
528 | } | |
e0d3bafd | 529 | |
84b5dbf3 MCC |
530 | /* copy the data to video buffer */ |
531 | cx231xx_do_copy(dev, dma_q, p_line, bytes_to_copy); | |
e0d3bafd | 532 | |
84b5dbf3 MCC |
533 | dma_q->pos += bytes_to_copy; |
534 | dma_q->bytes_left_in_line -= bytes_to_copy; | |
e0d3bafd | 535 | |
84b5dbf3 | 536 | if (dma_q->bytes_left_in_line == 0) { |
84b5dbf3 MCC |
537 | dma_q->bytes_left_in_line = _line_size; |
538 | dma_q->lines_completed++; | |
539 | dma_q->is_partial_line = 0; | |
e0d3bafd | 540 | |
84b5dbf3 | 541 | if (cx231xx_is_buffer_done(dev, dma_q) && buf) { |
84b5dbf3 | 542 | buffer_filled(dev, dma_q, buf); |
e0d3bafd | 543 | |
84b5dbf3 MCC |
544 | dma_q->pos = 0; |
545 | buf = NULL; | |
546 | dma_q->lines_completed = 0; | |
547 | } | |
548 | } | |
e0d3bafd | 549 | |
84b5dbf3 | 550 | return bytes_to_copy; |
e0d3bafd SD |
551 | } |
552 | ||
84b5dbf3 MCC |
553 | void cx231xx_reset_video_buffer(struct cx231xx *dev, |
554 | struct cx231xx_dmaqueue *dma_q) | |
e0d3bafd | 555 | { |
84b5dbf3 | 556 | struct cx231xx_buffer *buf; |
e0d3bafd | 557 | |
84b5dbf3 MCC |
558 | /* handle the switch from field 1 to field 2 */ |
559 | if (dma_q->current_field == 1) { | |
cde4362f | 560 | if (dma_q->lines_completed >= dma_q->lines_per_field) |
84b5dbf3 | 561 | dma_q->field1_done = 1; |
cde4362f | 562 | else |
84b5dbf3 | 563 | dma_q->field1_done = 0; |
84b5dbf3 | 564 | } |
e0d3bafd | 565 | |
64fbf444 PB |
566 | if (dev->USE_ISO) |
567 | buf = dev->video_mode.isoc_ctl.buf; | |
568 | else | |
569 | buf = dev->video_mode.bulk_ctl.buf; | |
e0d3bafd | 570 | |
84b5dbf3 | 571 | if (buf == NULL) { |
84b5dbf3 MCC |
572 | /* first try to get the buffer */ |
573 | get_next_buf(dma_q, &buf); | |
e0d3bafd | 574 | |
84b5dbf3 MCC |
575 | dma_q->pos = 0; |
576 | dma_q->field1_done = 0; | |
577 | dma_q->current_field = -1; | |
578 | } | |
e0d3bafd | 579 | |
84b5dbf3 MCC |
580 | /* reset the counters */ |
581 | dma_q->bytes_left_in_line = dev->width << 1; | |
582 | dma_q->lines_completed = 0; | |
e0d3bafd SD |
583 | } |
584 | ||
585 | int cx231xx_do_copy(struct cx231xx *dev, struct cx231xx_dmaqueue *dma_q, | |
cde4362f | 586 | u8 *p_buffer, u32 bytes_to_copy) |
e0d3bafd | 587 | { |
84b5dbf3 MCC |
588 | u8 *p_out_buffer = NULL; |
589 | u32 current_line_bytes_copied = 0; | |
590 | struct cx231xx_buffer *buf; | |
591 | u32 _line_size = dev->width << 1; | |
592 | void *startwrite; | |
593 | int offset, lencopy; | |
e0d3bafd | 594 | |
64fbf444 PB |
595 | if (dev->USE_ISO) |
596 | buf = dev->video_mode.isoc_ctl.buf; | |
597 | else | |
598 | buf = dev->video_mode.bulk_ctl.buf; | |
e0d3bafd | 599 | |
84b5dbf3 MCC |
600 | if (buf == NULL) |
601 | return -1; | |
e0d3bafd SD |
602 | |
603 | p_out_buffer = videobuf_to_vmalloc(&buf->vb); | |
604 | ||
84b5dbf3 | 605 | current_line_bytes_copied = _line_size - dma_q->bytes_left_in_line; |
e0d3bafd | 606 | |
84b5dbf3 MCC |
607 | /* Offset field 2 one line from the top of the buffer */ |
608 | offset = (dma_q->current_field == 1) ? 0 : _line_size; | |
e0d3bafd | 609 | |
84b5dbf3 MCC |
610 | /* Offset for field 2 */ |
611 | startwrite = p_out_buffer + offset; | |
e0d3bafd | 612 | |
84b5dbf3 MCC |
613 | /* lines already completed in the current field */ |
614 | startwrite += (dma_q->lines_completed * _line_size * 2); | |
e0d3bafd | 615 | |
84b5dbf3 MCC |
616 | /* bytes already completed in the current line */ |
617 | startwrite += current_line_bytes_copied; | |
e0d3bafd | 618 | |
cde4362f MCC |
619 | lencopy = dma_q->bytes_left_in_line > bytes_to_copy ? |
620 | bytes_to_copy : dma_q->bytes_left_in_line; | |
e0d3bafd | 621 | |
cde4362f | 622 | if ((u8 *)(startwrite + lencopy) > (u8 *)(p_out_buffer + buf->vb.size)) |
84b5dbf3 | 623 | return 0; |
e0d3bafd | 624 | |
84b5dbf3 MCC |
625 | /* The below copies the UYVY data straight into video buffer */ |
626 | cx231xx_swab((u16 *) p_buffer, (u16 *) startwrite, (u16) lencopy); | |
e0d3bafd | 627 | |
84b5dbf3 | 628 | return 0; |
e0d3bafd SD |
629 | } |
630 | ||
cde4362f | 631 | void cx231xx_swab(u16 *from, u16 *to, u16 len) |
e0d3bafd | 632 | { |
84b5dbf3 | 633 | u16 i; |
e0d3bafd | 634 | |
84b5dbf3 MCC |
635 | if (len <= 0) |
636 | return; | |
e0d3bafd | 637 | |
cde4362f | 638 | for (i = 0; i < len / 2; i++) |
84b5dbf3 | 639 | to[i] = (from[i] << 8) | (from[i] >> 8); |
e0d3bafd SD |
640 | } |
641 | ||
84b5dbf3 | 642 | u8 cx231xx_is_buffer_done(struct cx231xx *dev, struct cx231xx_dmaqueue *dma_q) |
e0d3bafd | 643 | { |
84b5dbf3 | 644 | u8 buffer_complete = 0; |
e0d3bafd | 645 | |
84b5dbf3 | 646 | /* Dual field stream */ |
cde4362f MCC |
647 | buffer_complete = ((dma_q->current_field == 2) && |
648 | (dma_q->lines_completed >= dma_q->lines_per_field) && | |
649 | dma_q->field1_done); | |
e0d3bafd | 650 | |
84b5dbf3 | 651 | return buffer_complete; |
e0d3bafd SD |
652 | } |
653 | ||
e0d3bafd SD |
654 | /* ------------------------------------------------------------------ |
655 | Videobuf operations | |
656 | ------------------------------------------------------------------*/ | |
657 | ||
658 | static int | |
659 | buffer_setup(struct videobuf_queue *vq, unsigned int *count, unsigned int *size) | |
660 | { | |
661 | struct cx231xx_fh *fh = vq->priv_data; | |
84b5dbf3 | 662 | struct cx231xx *dev = fh->dev; |
e0d3bafd | 663 | |
cde4362f | 664 | *size = (fh->dev->width * fh->dev->height * dev->format->depth + 7)>>3; |
e0d3bafd SD |
665 | if (0 == *count) |
666 | *count = CX231XX_DEF_BUF; | |
667 | ||
668 | if (*count < CX231XX_MIN_BUF) | |
669 | *count = CX231XX_MIN_BUF; | |
670 | ||
e0d3bafd SD |
671 | return 0; |
672 | } | |
673 | ||
674 | /* This is called *without* dev->slock held; please keep it that way */ | |
675 | static void free_buffer(struct videobuf_queue *vq, struct cx231xx_buffer *buf) | |
676 | { | |
84b5dbf3 MCC |
677 | struct cx231xx_fh *fh = vq->priv_data; |
678 | struct cx231xx *dev = fh->dev; | |
e0d3bafd | 679 | unsigned long flags = 0; |
cde4362f | 680 | |
e0d3bafd SD |
681 | if (in_interrupt()) |
682 | BUG(); | |
683 | ||
684 | /* We used to wait for the buffer to finish here, but this didn't work | |
685 | because, as we were keeping the state as VIDEOBUF_QUEUED, | |
686 | videobuf_queue_cancel marked it as finished for us. | |
687 | (Also, it could wedge forever if the hardware was misconfigured.) | |
688 | ||
689 | This should be safe; by the time we get here, the buffer isn't | |
690 | queued anymore. If we ever start marking the buffers as | |
691 | VIDEOBUF_ACTIVE, it won't be, though. | |
84b5dbf3 | 692 | */ |
e0d3bafd | 693 | spin_lock_irqsave(&dev->video_mode.slock, flags); |
64fbf444 PB |
694 | if (dev->USE_ISO) { |
695 | if (dev->video_mode.isoc_ctl.buf == buf) | |
696 | dev->video_mode.isoc_ctl.buf = NULL; | |
697 | } else { | |
698 | if (dev->video_mode.bulk_ctl.buf == buf) | |
699 | dev->video_mode.bulk_ctl.buf = NULL; | |
700 | } | |
e0d3bafd SD |
701 | spin_unlock_irqrestore(&dev->video_mode.slock, flags); |
702 | ||
703 | videobuf_vmalloc_free(&buf->vb); | |
704 | buf->vb.state = VIDEOBUF_NEEDS_INIT; | |
705 | } | |
706 | ||
707 | static int | |
708 | buffer_prepare(struct videobuf_queue *vq, struct videobuf_buffer *vb, | |
84b5dbf3 | 709 | enum v4l2_field field) |
e0d3bafd | 710 | { |
84b5dbf3 MCC |
711 | struct cx231xx_fh *fh = vq->priv_data; |
712 | struct cx231xx_buffer *buf = | |
713 | container_of(vb, struct cx231xx_buffer, vb); | |
714 | struct cx231xx *dev = fh->dev; | |
715 | int rc = 0, urb_init = 0; | |
e0d3bafd SD |
716 | |
717 | /* The only currently supported format is 16 bits/pixel */ | |
cde4362f MCC |
718 | buf->vb.size = (fh->dev->width * fh->dev->height * dev->format->depth |
719 | + 7) >> 3; | |
84b5dbf3 | 720 | if (0 != buf->vb.baddr && buf->vb.bsize < buf->vb.size) |
e0d3bafd SD |
721 | return -EINVAL; |
722 | ||
84b5dbf3 | 723 | buf->vb.width = dev->width; |
e0d3bafd | 724 | buf->vb.height = dev->height; |
84b5dbf3 | 725 | buf->vb.field = field; |
e0d3bafd SD |
726 | |
727 | if (VIDEOBUF_NEEDS_INIT == buf->vb.state) { | |
728 | rc = videobuf_iolock(vq, &buf->vb, NULL); | |
729 | if (rc < 0) | |
730 | goto fail; | |
731 | } | |
732 | ||
64fbf444 PB |
733 | if (dev->USE_ISO) { |
734 | if (!dev->video_mode.isoc_ctl.num_bufs) | |
735 | urb_init = 1; | |
736 | } else { | |
737 | if (!dev->video_mode.bulk_ctl.num_bufs) | |
738 | urb_init = 1; | |
739 | } | |
ed0e3729 | 740 | /*pr_debug("urb_init=%d dev->video_mode.max_pkt_size=%d\n", |
64fbf444 | 741 | urb_init, dev->video_mode.max_pkt_size);*/ |
e0d3bafd | 742 | if (urb_init) { |
64fbf444 PB |
743 | dev->mode_tv = 0; |
744 | if (dev->USE_ISO) | |
745 | rc = cx231xx_init_isoc(dev, CX231XX_NUM_PACKETS, | |
84b5dbf3 MCC |
746 | CX231XX_NUM_BUFS, |
747 | dev->video_mode.max_pkt_size, | |
748 | cx231xx_isoc_copy); | |
64fbf444 PB |
749 | else |
750 | rc = cx231xx_init_bulk(dev, CX231XX_NUM_PACKETS, | |
751 | CX231XX_NUM_BUFS, | |
752 | dev->video_mode.max_pkt_size, | |
753 | cx231xx_bulk_copy); | |
e0d3bafd SD |
754 | if (rc < 0) |
755 | goto fail; | |
756 | } | |
757 | ||
758 | buf->vb.state = VIDEOBUF_PREPARED; | |
759 | return 0; | |
760 | ||
cde4362f | 761 | fail: |
e0d3bafd SD |
762 | free_buffer(vq, buf); |
763 | return rc; | |
764 | } | |
765 | ||
84b5dbf3 | 766 | static void buffer_queue(struct videobuf_queue *vq, struct videobuf_buffer *vb) |
e0d3bafd | 767 | { |
84b5dbf3 MCC |
768 | struct cx231xx_buffer *buf = |
769 | container_of(vb, struct cx231xx_buffer, vb); | |
770 | struct cx231xx_fh *fh = vq->priv_data; | |
771 | struct cx231xx *dev = fh->dev; | |
772 | struct cx231xx_dmaqueue *vidq = &dev->video_mode.vidq; | |
e0d3bafd SD |
773 | |
774 | buf->vb.state = VIDEOBUF_QUEUED; | |
775 | list_add_tail(&buf->vb.queue, &vidq->active); | |
776 | ||
777 | } | |
778 | ||
779 | static void buffer_release(struct videobuf_queue *vq, | |
84b5dbf3 | 780 | struct videobuf_buffer *vb) |
e0d3bafd | 781 | { |
84b5dbf3 MCC |
782 | struct cx231xx_buffer *buf = |
783 | container_of(vb, struct cx231xx_buffer, vb); | |
784 | struct cx231xx_fh *fh = vq->priv_data; | |
785 | struct cx231xx *dev = (struct cx231xx *)fh->dev; | |
e0d3bafd SD |
786 | |
787 | cx231xx_isocdbg("cx231xx: called buffer_release\n"); | |
788 | ||
789 | free_buffer(vq, buf); | |
790 | } | |
791 | ||
792 | static struct videobuf_queue_ops cx231xx_video_qops = { | |
84b5dbf3 MCC |
793 | .buf_setup = buffer_setup, |
794 | .buf_prepare = buffer_prepare, | |
795 | .buf_queue = buffer_queue, | |
796 | .buf_release = buffer_release, | |
e0d3bafd SD |
797 | }; |
798 | ||
799 | /********************* v4l2 interface **************************************/ | |
800 | ||
e0d3bafd SD |
801 | void video_mux(struct cx231xx *dev, int index) |
802 | { | |
e0d3bafd SD |
803 | dev->video_input = index; |
804 | dev->ctl_ainput = INPUT(index)->amux; | |
805 | ||
84b5dbf3 | 806 | cx231xx_set_video_input_mux(dev, index); |
e0d3bafd | 807 | |
5325b427 | 808 | cx25840_call(dev, video, s_routing, INPUT(index)->vmux, 0, 0); |
e0d3bafd | 809 | |
84b5dbf3 | 810 | cx231xx_set_audio_input(dev, dev->ctl_ainput); |
e0d3bafd | 811 | |
ed0e3729 | 812 | pr_debug("video_mux : %d\n", index); |
e0d3bafd | 813 | |
84b5dbf3 MCC |
814 | /* do mode control overrides if required */ |
815 | cx231xx_do_mode_ctrl_overrides(dev); | |
e0d3bafd SD |
816 | } |
817 | ||
818 | /* Usage lock check functions */ | |
819 | static int res_get(struct cx231xx_fh *fh) | |
820 | { | |
84b5dbf3 MCC |
821 | struct cx231xx *dev = fh->dev; |
822 | int rc = 0; | |
e0d3bafd SD |
823 | |
824 | /* This instance already has stream_on */ | |
825 | if (fh->stream_on) | |
826 | return rc; | |
827 | ||
84b5dbf3 MCC |
828 | if (fh->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) { |
829 | if (dev->stream_on) | |
830 | return -EBUSY; | |
831 | dev->stream_on = 1; | |
832 | } else if (fh->type == V4L2_BUF_TYPE_VBI_CAPTURE) { | |
833 | if (dev->vbi_stream_on) | |
834 | return -EBUSY; | |
835 | dev->vbi_stream_on = 1; | |
836 | } else | |
837 | return -EINVAL; | |
e0d3bafd | 838 | |
84b5dbf3 | 839 | fh->stream_on = 1; |
e0d3bafd SD |
840 | |
841 | return rc; | |
842 | } | |
843 | ||
844 | static int res_check(struct cx231xx_fh *fh) | |
845 | { | |
cde4362f | 846 | return fh->stream_on; |
e0d3bafd SD |
847 | } |
848 | ||
849 | static void res_free(struct cx231xx_fh *fh) | |
850 | { | |
84b5dbf3 | 851 | struct cx231xx *dev = fh->dev; |
e0d3bafd SD |
852 | |
853 | fh->stream_on = 0; | |
854 | ||
84b5dbf3 MCC |
855 | if (fh->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) |
856 | dev->stream_on = 0; | |
857 | if (fh->type == V4L2_BUF_TYPE_VBI_CAPTURE) | |
858 | dev->vbi_stream_on = 0; | |
e0d3bafd SD |
859 | } |
860 | ||
861 | static int check_dev(struct cx231xx *dev) | |
862 | { | |
863 | if (dev->state & DEV_DISCONNECTED) { | |
589dadf2 | 864 | pr_err("v4l2 ioctl: device not present\n"); |
e0d3bafd SD |
865 | return -ENODEV; |
866 | } | |
e0d3bafd SD |
867 | return 0; |
868 | } | |
869 | ||
e0d3bafd SD |
870 | /* ------------------------------------------------------------------ |
871 | IOCTL vidioc handling | |
872 | ------------------------------------------------------------------*/ | |
873 | ||
874 | static int vidioc_g_fmt_vid_cap(struct file *file, void *priv, | |
84b5dbf3 | 875 | struct v4l2_format *f) |
e0d3bafd | 876 | { |
84b5dbf3 MCC |
877 | struct cx231xx_fh *fh = priv; |
878 | struct cx231xx *dev = fh->dev; | |
e0d3bafd | 879 | |
e0d3bafd SD |
880 | f->fmt.pix.width = dev->width; |
881 | f->fmt.pix.height = dev->height; | |
1ebcad77 JP |
882 | f->fmt.pix.pixelformat = dev->format->fourcc; |
883 | f->fmt.pix.bytesperline = (dev->width * dev->format->depth + 7) >> 3; | |
84b5dbf3 | 884 | f->fmt.pix.sizeimage = f->fmt.pix.bytesperline * dev->height; |
e0d3bafd SD |
885 | f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M; |
886 | ||
887 | f->fmt.pix.field = V4L2_FIELD_INTERLACED; | |
888 | ||
e0d3bafd SD |
889 | return 0; |
890 | } | |
891 | ||
892 | static struct cx231xx_fmt *format_by_fourcc(unsigned int fourcc) | |
893 | { | |
894 | unsigned int i; | |
895 | ||
896 | for (i = 0; i < ARRAY_SIZE(format); i++) | |
897 | if (format[i].fourcc == fourcc) | |
898 | return &format[i]; | |
899 | ||
900 | return NULL; | |
901 | } | |
902 | ||
903 | static int vidioc_try_fmt_vid_cap(struct file *file, void *priv, | |
84b5dbf3 | 904 | struct v4l2_format *f) |
e0d3bafd | 905 | { |
84b5dbf3 MCC |
906 | struct cx231xx_fh *fh = priv; |
907 | struct cx231xx *dev = fh->dev; | |
9bd0e8d7 TP |
908 | unsigned int width = f->fmt.pix.width; |
909 | unsigned int height = f->fmt.pix.height; | |
84b5dbf3 MCC |
910 | unsigned int maxw = norm_maxw(dev); |
911 | unsigned int maxh = norm_maxh(dev); | |
84b5dbf3 | 912 | struct cx231xx_fmt *fmt; |
e0d3bafd SD |
913 | |
914 | fmt = format_by_fourcc(f->fmt.pix.pixelformat); | |
915 | if (!fmt) { | |
916 | cx231xx_videodbg("Fourcc format (%08x) invalid.\n", | |
84b5dbf3 | 917 | f->fmt.pix.pixelformat); |
e0d3bafd SD |
918 | return -EINVAL; |
919 | } | |
920 | ||
921 | /* width must even because of the YUYV format | |
922 | height must be even because of interlacing */ | |
9bd0e8d7 | 923 | v4l_bound_align_image(&width, 48, maxw, 1, &height, 32, maxh, 1, 0); |
e0d3bafd | 924 | |
e0d3bafd SD |
925 | f->fmt.pix.width = width; |
926 | f->fmt.pix.height = height; | |
927 | f->fmt.pix.pixelformat = fmt->fourcc; | |
8b735c13 | 928 | f->fmt.pix.bytesperline = (width * fmt->depth + 7) >> 3; |
e0d3bafd SD |
929 | f->fmt.pix.sizeimage = f->fmt.pix.bytesperline * height; |
930 | f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M; | |
931 | f->fmt.pix.field = V4L2_FIELD_INTERLACED; | |
932 | ||
933 | return 0; | |
934 | } | |
935 | ||
936 | static int vidioc_s_fmt_vid_cap(struct file *file, void *priv, | |
84b5dbf3 | 937 | struct v4l2_format *f) |
e0d3bafd | 938 | { |
84b5dbf3 MCC |
939 | struct cx231xx_fh *fh = priv; |
940 | struct cx231xx *dev = fh->dev; | |
941 | int rc; | |
942 | struct cx231xx_fmt *fmt; | |
112cb4a8 | 943 | struct v4l2_mbus_framefmt mbus_fmt; |
e0d3bafd SD |
944 | |
945 | rc = check_dev(dev); | |
946 | if (rc < 0) | |
947 | return rc; | |
948 | ||
84b5dbf3 | 949 | vidioc_try_fmt_vid_cap(file, priv, f); |
e0d3bafd | 950 | |
84b5dbf3 | 951 | fmt = format_by_fourcc(f->fmt.pix.pixelformat); |
643800d5 MCC |
952 | if (!fmt) |
953 | return -EINVAL; | |
e0d3bafd SD |
954 | |
955 | if (videobuf_queue_is_busy(&fh->vb_vidq)) { | |
ed0e3729 | 956 | pr_err("%s: queue busy\n", __func__); |
643800d5 | 957 | return -EBUSY; |
e0d3bafd SD |
958 | } |
959 | ||
960 | if (dev->stream_on && !fh->stream_on) { | |
ed0e3729 | 961 | pr_err("%s: device in use by another fh\n", __func__); |
643800d5 | 962 | return -EBUSY; |
e0d3bafd SD |
963 | } |
964 | ||
965 | /* set new image size */ | |
966 | dev->width = f->fmt.pix.width; | |
967 | dev->height = f->fmt.pix.height; | |
84b5dbf3 | 968 | dev->format = fmt; |
e0d3bafd | 969 | |
112cb4a8 HV |
970 | v4l2_fill_mbus_format(&mbus_fmt, &f->fmt.pix, V4L2_MBUS_FMT_FIXED); |
971 | call_all(dev, video, s_mbus_fmt, &mbus_fmt); | |
972 | v4l2_fill_pix_format(&f->fmt.pix, &mbus_fmt); | |
e0d3bafd | 973 | |
e0d3bafd SD |
974 | return rc; |
975 | } | |
976 | ||
64fbf444 | 977 | static int vidioc_g_std(struct file *file, void *priv, v4l2_std_id *id) |
e0d3bafd | 978 | { |
84b5dbf3 MCC |
979 | struct cx231xx_fh *fh = priv; |
980 | struct cx231xx *dev = fh->dev; | |
e0d3bafd SD |
981 | |
982 | *id = dev->norm; | |
983 | return 0; | |
984 | } | |
985 | ||
314527ac | 986 | static int vidioc_s_std(struct file *file, void *priv, v4l2_std_id norm) |
e0d3bafd | 987 | { |
84b5dbf3 MCC |
988 | struct cx231xx_fh *fh = priv; |
989 | struct cx231xx *dev = fh->dev; | |
435b4f78 | 990 | struct v4l2_mbus_framefmt mbus_fmt; |
84b5dbf3 | 991 | int rc; |
e0d3bafd SD |
992 | |
993 | rc = check_dev(dev); | |
994 | if (rc < 0) | |
995 | return rc; | |
996 | ||
314527ac | 997 | if (dev->norm == norm) |
d61072a4 HV |
998 | return 0; |
999 | ||
1000 | if (videobuf_queue_is_busy(&fh->vb_vidq)) | |
1001 | return -EBUSY; | |
e0d3bafd | 1002 | |
314527ac | 1003 | dev->norm = norm; |
e0d3bafd | 1004 | |
e0d3bafd | 1005 | /* Adjusts width/height, if needed */ |
d61072a4 HV |
1006 | dev->width = 720; |
1007 | dev->height = (dev->norm & V4L2_STD_625_50) ? 576 : 480; | |
e0d3bafd | 1008 | |
8774bed9 | 1009 | call_all(dev, video, s_std, dev->norm); |
435b4f78 DH |
1010 | |
1011 | /* We need to reset basic properties in the decoder related to | |
1012 | resolution (since a standard change effects things like the number | |
1013 | of lines in VACT, etc) */ | |
d61072a4 HV |
1014 | memset(&mbus_fmt, 0, sizeof(mbus_fmt)); |
1015 | mbus_fmt.code = V4L2_MBUS_FMT_FIXED; | |
1016 | mbus_fmt.width = dev->width; | |
1017 | mbus_fmt.height = dev->height; | |
435b4f78 | 1018 | call_all(dev, video, s_mbus_fmt, &mbus_fmt); |
e0d3bafd | 1019 | |
84b5dbf3 MCC |
1020 | /* do mode control overrides */ |
1021 | cx231xx_do_mode_ctrl_overrides(dev); | |
e0d3bafd SD |
1022 | |
1023 | return 0; | |
1024 | } | |
1025 | ||
1026 | static const char *iname[] = { | |
1027 | [CX231XX_VMUX_COMPOSITE1] = "Composite1", | |
cde4362f | 1028 | [CX231XX_VMUX_SVIDEO] = "S-Video", |
e0d3bafd | 1029 | [CX231XX_VMUX_TELEVISION] = "Television", |
cde4362f MCC |
1030 | [CX231XX_VMUX_CABLE] = "Cable TV", |
1031 | [CX231XX_VMUX_DVB] = "DVB", | |
1032 | [CX231XX_VMUX_DEBUG] = "for debug only", | |
e0d3bafd SD |
1033 | }; |
1034 | ||
b86d1544 | 1035 | int cx231xx_enum_input(struct file *file, void *priv, |
84b5dbf3 | 1036 | struct v4l2_input *i) |
e0d3bafd | 1037 | { |
84b5dbf3 MCC |
1038 | struct cx231xx_fh *fh = priv; |
1039 | struct cx231xx *dev = fh->dev; | |
de99d532 DH |
1040 | u32 gen_stat; |
1041 | unsigned int ret, n; | |
e0d3bafd SD |
1042 | |
1043 | n = i->index; | |
1044 | if (n >= MAX_CX231XX_INPUT) | |
1045 | return -EINVAL; | |
1046 | if (0 == INPUT(n)->type) | |
1047 | return -EINVAL; | |
1048 | ||
1049 | i->index = n; | |
1050 | i->type = V4L2_INPUT_TYPE_CAMERA; | |
1051 | ||
1052 | strcpy(i->name, iname[INPUT(n)->type]); | |
1053 | ||
1054 | if ((CX231XX_VMUX_TELEVISION == INPUT(n)->type) || | |
84b5dbf3 | 1055 | (CX231XX_VMUX_CABLE == INPUT(n)->type)) |
e0d3bafd SD |
1056 | i->type = V4L2_INPUT_TYPE_TUNER; |
1057 | ||
1058 | i->std = dev->vdev->tvnorms; | |
1059 | ||
de99d532 DH |
1060 | /* If they are asking about the active input, read signal status */ |
1061 | if (n == dev->video_input) { | |
1062 | ret = cx231xx_read_i2c_data(dev, VID_BLK_I2C_ADDRESS, | |
1063 | GEN_STAT, 2, &gen_stat, 4); | |
1064 | if (ret > 0) { | |
1065 | if ((gen_stat & FLD_VPRES) == 0x00) | |
1066 | i->status |= V4L2_IN_ST_NO_SIGNAL; | |
1067 | if ((gen_stat & FLD_HLOCK) == 0x00) | |
1068 | i->status |= V4L2_IN_ST_NO_H_LOCK; | |
1069 | } | |
1070 | } | |
1071 | ||
e0d3bafd SD |
1072 | return 0; |
1073 | } | |
1074 | ||
b86d1544 | 1075 | int cx231xx_g_input(struct file *file, void *priv, unsigned int *i) |
e0d3bafd | 1076 | { |
84b5dbf3 MCC |
1077 | struct cx231xx_fh *fh = priv; |
1078 | struct cx231xx *dev = fh->dev; | |
e0d3bafd SD |
1079 | |
1080 | *i = dev->video_input; | |
1081 | ||
1082 | return 0; | |
1083 | } | |
1084 | ||
b86d1544 | 1085 | int cx231xx_s_input(struct file *file, void *priv, unsigned int i) |
e0d3bafd | 1086 | { |
84b5dbf3 MCC |
1087 | struct cx231xx_fh *fh = priv; |
1088 | struct cx231xx *dev = fh->dev; | |
1089 | int rc; | |
e0d3bafd | 1090 | |
64fbf444 | 1091 | dev->mode_tv = 0; |
e0d3bafd SD |
1092 | rc = check_dev(dev); |
1093 | if (rc < 0) | |
1094 | return rc; | |
1095 | ||
1096 | if (i >= MAX_CX231XX_INPUT) | |
1097 | return -EINVAL; | |
1098 | if (0 == INPUT(i)->type) | |
1099 | return -EINVAL; | |
1100 | ||
e0d3bafd SD |
1101 | video_mux(dev, i); |
1102 | ||
c09d6695 DH |
1103 | if (INPUT(i)->type == CX231XX_VMUX_TELEVISION || |
1104 | INPUT(i)->type == CX231XX_VMUX_CABLE) { | |
1105 | /* There's a tuner, so reset the standard and put it on the | |
1106 | last known frequency (since it was probably powered down | |
1107 | until now */ | |
8774bed9 | 1108 | call_all(dev, video, s_std, dev->norm); |
c09d6695 DH |
1109 | } |
1110 | ||
e0d3bafd SD |
1111 | return 0; |
1112 | } | |
1113 | ||
b86d1544 | 1114 | int cx231xx_g_tuner(struct file *file, void *priv, struct v4l2_tuner *t) |
e0d3bafd | 1115 | { |
84b5dbf3 MCC |
1116 | struct cx231xx_fh *fh = priv; |
1117 | struct cx231xx *dev = fh->dev; | |
1118 | int rc; | |
e0d3bafd SD |
1119 | |
1120 | rc = check_dev(dev); | |
1121 | if (rc < 0) | |
1122 | return rc; | |
1123 | ||
1124 | if (0 != t->index) | |
1125 | return -EINVAL; | |
1126 | ||
1127 | strcpy(t->name, "Tuner"); | |
1128 | ||
84b5dbf3 | 1129 | t->type = V4L2_TUNER_ANALOG_TV; |
e0d3bafd | 1130 | t->capability = V4L2_TUNER_CAP_NORM; |
84b5dbf3 MCC |
1131 | t->rangehigh = 0xffffffffUL; |
1132 | t->signal = 0xffff; /* LOCKED */ | |
b251f957 | 1133 | call_all(dev, tuner, g_tuner, t); |
e0d3bafd SD |
1134 | |
1135 | return 0; | |
1136 | } | |
1137 | ||
2f73c7c5 | 1138 | int cx231xx_s_tuner(struct file *file, void *priv, const struct v4l2_tuner *t) |
e0d3bafd | 1139 | { |
84b5dbf3 MCC |
1140 | struct cx231xx_fh *fh = priv; |
1141 | struct cx231xx *dev = fh->dev; | |
1142 | int rc; | |
e0d3bafd SD |
1143 | |
1144 | rc = check_dev(dev); | |
1145 | if (rc < 0) | |
1146 | return rc; | |
1147 | ||
1148 | if (0 != t->index) | |
1149 | return -EINVAL; | |
1150 | #if 0 | |
b1196126 | 1151 | call_all(dev, tuner, s_tuner, t); |
e0d3bafd SD |
1152 | #endif |
1153 | return 0; | |
1154 | } | |
1155 | ||
b86d1544 | 1156 | int cx231xx_g_frequency(struct file *file, void *priv, |
84b5dbf3 | 1157 | struct v4l2_frequency *f) |
e0d3bafd | 1158 | { |
84b5dbf3 MCC |
1159 | struct cx231xx_fh *fh = priv; |
1160 | struct cx231xx *dev = fh->dev; | |
e0d3bafd | 1161 | |
b251f957 HV |
1162 | if (f->tuner) |
1163 | return -EINVAL; | |
1164 | ||
e0d3bafd SD |
1165 | f->frequency = dev->ctl_freq; |
1166 | ||
e0d3bafd SD |
1167 | return 0; |
1168 | } | |
1169 | ||
b86d1544 | 1170 | int cx231xx_s_frequency(struct file *file, void *priv, |
b530a447 | 1171 | const struct v4l2_frequency *f) |
e0d3bafd | 1172 | { |
84b5dbf3 MCC |
1173 | struct cx231xx_fh *fh = priv; |
1174 | struct cx231xx *dev = fh->dev; | |
b530a447 | 1175 | struct v4l2_frequency new_freq = *f; |
84b5dbf3 | 1176 | int rc; |
64fbf444 PB |
1177 | u32 if_frequency = 5400000; |
1178 | ||
ed0e3729 | 1179 | pr_debug("Enter vidioc_s_frequency()f->frequency=%d;f->type=%d\n", |
64fbf444 | 1180 | f->frequency, f->type); |
e0d3bafd SD |
1181 | |
1182 | rc = check_dev(dev); | |
1183 | if (rc < 0) | |
1184 | return rc; | |
1185 | ||
1186 | if (0 != f->tuner) | |
1187 | return -EINVAL; | |
1188 | ||
84b5dbf3 MCC |
1189 | /* set pre channel change settings in DIF first */ |
1190 | rc = cx231xx_tuner_pre_channel_change(dev); | |
e0d3bafd | 1191 | |
64fbf444 | 1192 | call_all(dev, tuner, s_frequency, f); |
b530a447 HV |
1193 | call_all(dev, tuner, g_frequency, &new_freq); |
1194 | dev->ctl_freq = new_freq.frequency; | |
e0d3bafd | 1195 | |
84b5dbf3 MCC |
1196 | /* set post channel change settings in DIF first */ |
1197 | rc = cx231xx_tuner_post_channel_change(dev); | |
e0d3bafd | 1198 | |
64fbf444 PB |
1199 | if (dev->tuner_type == TUNER_NXP_TDA18271) { |
1200 | if (dev->norm & (V4L2_STD_MN | V4L2_STD_NTSC_443)) | |
1201 | if_frequency = 5400000; /*5.4MHz */ | |
1202 | else if (dev->norm & V4L2_STD_B) | |
1203 | if_frequency = 6000000; /*6.0MHz */ | |
1204 | else if (dev->norm & (V4L2_STD_PAL_DK | V4L2_STD_SECAM_DK)) | |
1205 | if_frequency = 6900000; /*6.9MHz */ | |
1206 | else if (dev->norm & V4L2_STD_GH) | |
1207 | if_frequency = 7100000; /*7.1MHz */ | |
1208 | else if (dev->norm & V4L2_STD_PAL_I) | |
1209 | if_frequency = 7250000; /*7.25MHz */ | |
1210 | else if (dev->norm & V4L2_STD_SECAM_L) | |
1211 | if_frequency = 6900000; /*6.9MHz */ | |
1212 | else if (dev->norm & V4L2_STD_SECAM_LC) | |
1213 | if_frequency = 1250000; /*1.25MHz */ | |
1214 | ||
ed0e3729 | 1215 | pr_debug("if_frequency is set to %d\n", if_frequency); |
64fbf444 PB |
1216 | cx231xx_set_Colibri_For_LowIF(dev, if_frequency, 1, 1); |
1217 | ||
1218 | update_HH_register_after_set_DIF(dev); | |
1219 | } | |
1220 | ||
ed0e3729 | 1221 | pr_debug("Set New FREQUENCY to %d\n", f->frequency); |
e0d3bafd SD |
1222 | |
1223 | return rc; | |
1224 | } | |
1225 | ||
08fe9f7d HV |
1226 | #ifdef CONFIG_VIDEO_ADV_DEBUG |
1227 | ||
1228 | int cx231xx_g_chip_info(struct file *file, void *fh, | |
1229 | struct v4l2_dbg_chip_info *chip) | |
fddd14c8 | 1230 | { |
08fe9f7d HV |
1231 | switch (chip->match.addr) { |
1232 | case 0: /* Cx231xx - internal registers */ | |
1233 | return 0; | |
1234 | case 1: /* AFE - read byte */ | |
1235 | strlcpy(chip->name, "AFE (byte)", sizeof(chip->name)); | |
1236 | return 0; | |
1237 | case 2: /* Video Block - read byte */ | |
1238 | strlcpy(chip->name, "Video (byte)", sizeof(chip->name)); | |
1239 | return 0; | |
1240 | case 3: /* I2S block - read byte */ | |
1241 | strlcpy(chip->name, "I2S (byte)", sizeof(chip->name)); | |
1242 | return 0; | |
1243 | case 4: /* AFE - read dword */ | |
1244 | strlcpy(chip->name, "AFE (dword)", sizeof(chip->name)); | |
1245 | return 0; | |
1246 | case 5: /* Video Block - read dword */ | |
1247 | strlcpy(chip->name, "Video (dword)", sizeof(chip->name)); | |
1248 | return 0; | |
1249 | case 6: /* I2S Block - read dword */ | |
1250 | strlcpy(chip->name, "I2S (dword)", sizeof(chip->name)); | |
fddd14c8 HV |
1251 | return 0; |
1252 | } | |
1253 | return -EINVAL; | |
1254 | } | |
1255 | ||
b86d1544 | 1256 | int cx231xx_g_register(struct file *file, void *priv, |
e0d3bafd SD |
1257 | struct v4l2_dbg_register *reg) |
1258 | { | |
84b5dbf3 MCC |
1259 | struct cx231xx_fh *fh = priv; |
1260 | struct cx231xx *dev = fh->dev; | |
08fe9f7d | 1261 | int ret; |
84b5dbf3 MCC |
1262 | u8 value[4] = { 0, 0, 0, 0 }; |
1263 | u32 data = 0; | |
1264 | ||
08fe9f7d HV |
1265 | switch (reg->match.addr) { |
1266 | case 0: /* Cx231xx - internal registers */ | |
1267 | ret = cx231xx_read_ctrl_reg(dev, VRT_GET_REGISTER, | |
1268 | (u16)reg->reg, value, 4); | |
1269 | reg->val = value[0] | value[1] << 8 | | |
1270 | value[2] << 16 | value[3] << 24; | |
04ae4cf2 | 1271 | reg->size = 4; |
08fe9f7d HV |
1272 | break; |
1273 | case 1: /* AFE - read byte */ | |
1274 | ret = cx231xx_read_i2c_data(dev, AFE_DEVICE_ADDRESS, | |
1275 | (u16)reg->reg, 2, &data, 1); | |
1276 | reg->val = data; | |
04ae4cf2 | 1277 | reg->size = 1; |
08fe9f7d HV |
1278 | break; |
1279 | case 2: /* Video Block - read byte */ | |
1280 | ret = cx231xx_read_i2c_data(dev, VID_BLK_I2C_ADDRESS, | |
1281 | (u16)reg->reg, 2, &data, 1); | |
1282 | reg->val = data; | |
04ae4cf2 | 1283 | reg->size = 1; |
08fe9f7d HV |
1284 | break; |
1285 | case 3: /* I2S block - read byte */ | |
1286 | ret = cx231xx_read_i2c_data(dev, I2S_BLK_DEVICE_ADDRESS, | |
1287 | (u16)reg->reg, 1, &data, 1); | |
1288 | reg->val = data; | |
04ae4cf2 | 1289 | reg->size = 1; |
08fe9f7d HV |
1290 | break; |
1291 | case 4: /* AFE - read dword */ | |
1292 | ret = cx231xx_read_i2c_data(dev, AFE_DEVICE_ADDRESS, | |
1293 | (u16)reg->reg, 2, &data, 4); | |
1294 | reg->val = data; | |
04ae4cf2 | 1295 | reg->size = 4; |
08fe9f7d HV |
1296 | break; |
1297 | case 5: /* Video Block - read dword */ | |
1298 | ret = cx231xx_read_i2c_data(dev, VID_BLK_I2C_ADDRESS, | |
1299 | (u16)reg->reg, 2, &data, 4); | |
1300 | reg->val = data; | |
04ae4cf2 | 1301 | reg->size = 4; |
08fe9f7d HV |
1302 | break; |
1303 | case 6: /* I2S Block - read dword */ | |
1304 | ret = cx231xx_read_i2c_data(dev, I2S_BLK_DEVICE_ADDRESS, | |
1305 | (u16)reg->reg, 1, &data, 4); | |
1306 | reg->val = data; | |
04ae4cf2 | 1307 | reg->size = 4; |
08fe9f7d | 1308 | break; |
84b5dbf3 | 1309 | default: |
08fe9f7d | 1310 | return -EINVAL; |
84b5dbf3 | 1311 | } |
08fe9f7d | 1312 | return ret < 0 ? ret : 0; |
e0d3bafd SD |
1313 | } |
1314 | ||
b86d1544 | 1315 | int cx231xx_s_register(struct file *file, void *priv, |
977ba3b1 | 1316 | const struct v4l2_dbg_register *reg) |
e0d3bafd | 1317 | { |
84b5dbf3 MCC |
1318 | struct cx231xx_fh *fh = priv; |
1319 | struct cx231xx *dev = fh->dev; | |
08fe9f7d | 1320 | int ret; |
84b5dbf3 | 1321 | u8 data[4] = { 0, 0, 0, 0 }; |
e0d3bafd | 1322 | |
08fe9f7d HV |
1323 | switch (reg->match.addr) { |
1324 | case 0: /* cx231xx internal registers */ | |
1325 | data[0] = (u8) reg->val; | |
1326 | data[1] = (u8) (reg->val >> 8); | |
1327 | data[2] = (u8) (reg->val >> 16); | |
1328 | data[3] = (u8) (reg->val >> 24); | |
1329 | ret = cx231xx_write_ctrl_reg(dev, VRT_SET_REGISTER, | |
1330 | (u16)reg->reg, data, 4); | |
1331 | break; | |
1332 | case 1: /* AFE - write byte */ | |
1333 | ret = cx231xx_write_i2c_data(dev, AFE_DEVICE_ADDRESS, | |
1334 | (u16)reg->reg, 2, reg->val, 1); | |
1335 | break; | |
1336 | case 2: /* Video Block - write byte */ | |
1337 | ret = cx231xx_write_i2c_data(dev, VID_BLK_I2C_ADDRESS, | |
1338 | (u16)reg->reg, 2, reg->val, 1); | |
1339 | break; | |
1340 | case 3: /* I2S block - write byte */ | |
1341 | ret = cx231xx_write_i2c_data(dev, I2S_BLK_DEVICE_ADDRESS, | |
1342 | (u16)reg->reg, 1, reg->val, 1); | |
1343 | break; | |
1344 | case 4: /* AFE - write dword */ | |
1345 | ret = cx231xx_write_i2c_data(dev, AFE_DEVICE_ADDRESS, | |
1346 | (u16)reg->reg, 2, reg->val, 4); | |
1347 | break; | |
1348 | case 5: /* Video Block - write dword */ | |
1349 | ret = cx231xx_write_i2c_data(dev, VID_BLK_I2C_ADDRESS, | |
1350 | (u16)reg->reg, 2, reg->val, 4); | |
84b5dbf3 | 1351 | break; |
08fe9f7d HV |
1352 | case 6: /* I2S block - write dword */ |
1353 | ret = cx231xx_write_i2c_data(dev, I2S_BLK_DEVICE_ADDRESS, | |
1354 | (u16)reg->reg, 1, reg->val, 4); | |
1355 | break; | |
1356 | default: | |
1357 | return -EINVAL; | |
84b5dbf3 | 1358 | } |
08fe9f7d | 1359 | return ret < 0 ? ret : 0; |
e0d3bafd SD |
1360 | } |
1361 | #endif | |
1362 | ||
e0d3bafd | 1363 | static int vidioc_cropcap(struct file *file, void *priv, |
84b5dbf3 | 1364 | struct v4l2_cropcap *cc) |
e0d3bafd | 1365 | { |
84b5dbf3 MCC |
1366 | struct cx231xx_fh *fh = priv; |
1367 | struct cx231xx *dev = fh->dev; | |
e0d3bafd SD |
1368 | |
1369 | if (cc->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) | |
1370 | return -EINVAL; | |
1371 | ||
1372 | cc->bounds.left = 0; | |
1373 | cc->bounds.top = 0; | |
1374 | cc->bounds.width = dev->width; | |
1375 | cc->bounds.height = dev->height; | |
1376 | cc->defrect = cc->bounds; | |
1377 | cc->pixelaspect.numerator = 54; /* 4:3 FIXME: remove magic numbers */ | |
1378 | cc->pixelaspect.denominator = 59; | |
1379 | ||
1380 | return 0; | |
1381 | } | |
1382 | ||
1383 | static int vidioc_streamon(struct file *file, void *priv, | |
84b5dbf3 | 1384 | enum v4l2_buf_type type) |
e0d3bafd | 1385 | { |
84b5dbf3 MCC |
1386 | struct cx231xx_fh *fh = priv; |
1387 | struct cx231xx *dev = fh->dev; | |
1388 | int rc; | |
e0d3bafd SD |
1389 | |
1390 | rc = check_dev(dev); | |
1391 | if (rc < 0) | |
1392 | return rc; | |
1393 | ||
e0d3bafd SD |
1394 | rc = res_get(fh); |
1395 | ||
1396 | if (likely(rc >= 0)) | |
1397 | rc = videobuf_streamon(&fh->vb_vidq); | |
1398 | ||
b1196126 SD |
1399 | call_all(dev, video, s_stream, 1); |
1400 | ||
e0d3bafd SD |
1401 | return rc; |
1402 | } | |
1403 | ||
1404 | static int vidioc_streamoff(struct file *file, void *priv, | |
84b5dbf3 | 1405 | enum v4l2_buf_type type) |
e0d3bafd | 1406 | { |
84b5dbf3 MCC |
1407 | struct cx231xx_fh *fh = priv; |
1408 | struct cx231xx *dev = fh->dev; | |
1409 | int rc; | |
e0d3bafd SD |
1410 | |
1411 | rc = check_dev(dev); | |
1412 | if (rc < 0) | |
1413 | return rc; | |
1414 | ||
e0d3bafd SD |
1415 | if (type != fh->type) |
1416 | return -EINVAL; | |
1417 | ||
b1196126 SD |
1418 | cx25840_call(dev, video, s_stream, 0); |
1419 | ||
e0d3bafd SD |
1420 | videobuf_streamoff(&fh->vb_vidq); |
1421 | res_free(fh); | |
1422 | ||
e0d3bafd SD |
1423 | return 0; |
1424 | } | |
1425 | ||
bc08734c | 1426 | int cx231xx_querycap(struct file *file, void *priv, |
84b5dbf3 | 1427 | struct v4l2_capability *cap) |
e0d3bafd | 1428 | { |
4bc837d4 | 1429 | struct video_device *vdev = video_devdata(file); |
84b5dbf3 MCC |
1430 | struct cx231xx_fh *fh = priv; |
1431 | struct cx231xx *dev = fh->dev; | |
e0d3bafd SD |
1432 | |
1433 | strlcpy(cap->driver, "cx231xx", sizeof(cap->driver)); | |
1434 | strlcpy(cap->card, cx231xx_boards[dev->model].name, sizeof(cap->card)); | |
2c6beca8 | 1435 | usb_make_path(dev->udev, cap->bus_info, sizeof(cap->bus_info)); |
e0d3bafd | 1436 | |
530e01e7 HV |
1437 | if (vdev->vfl_type == VFL_TYPE_RADIO) |
1438 | cap->device_caps = V4L2_CAP_RADIO; | |
1439 | else { | |
06c46003 | 1440 | cap->device_caps = V4L2_CAP_READWRITE | V4L2_CAP_STREAMING; |
530e01e7 HV |
1441 | if (vdev->vfl_type == VFL_TYPE_VBI) |
1442 | cap->device_caps |= V4L2_CAP_VBI_CAPTURE; | |
1443 | else | |
1444 | cap->device_caps |= V4L2_CAP_VIDEO_CAPTURE; | |
1445 | } | |
e0d3bafd | 1446 | if (dev->tuner_type != TUNER_ABSENT) |
4bc837d4 | 1447 | cap->device_caps |= V4L2_CAP_TUNER; |
06c46003 | 1448 | cap->capabilities = cap->device_caps | V4L2_CAP_READWRITE | |
4bc837d4 | 1449 | V4L2_CAP_VBI_CAPTURE | V4L2_CAP_VIDEO_CAPTURE | |
530e01e7 HV |
1450 | V4L2_CAP_STREAMING | V4L2_CAP_DEVICE_CAPS; |
1451 | if (dev->radio_dev) | |
1452 | cap->capabilities |= V4L2_CAP_RADIO; | |
e0d3bafd SD |
1453 | |
1454 | return 0; | |
1455 | } | |
1456 | ||
84b5dbf3 MCC |
1457 | static int vidioc_enum_fmt_vid_cap(struct file *file, void *priv, |
1458 | struct v4l2_fmtdesc *f) | |
e0d3bafd | 1459 | { |
84b5dbf3 | 1460 | if (unlikely(f->index >= ARRAY_SIZE(format))) |
e0d3bafd SD |
1461 | return -EINVAL; |
1462 | ||
1463 | strlcpy(f->description, format[f->index].name, sizeof(f->description)); | |
1464 | f->pixelformat = format[f->index].fourcc; | |
1465 | ||
1466 | return 0; | |
1467 | } | |
1468 | ||
e0d3bafd SD |
1469 | /* RAW VBI ioctls */ |
1470 | ||
1471 | static int vidioc_g_fmt_vbi_cap(struct file *file, void *priv, | |
84b5dbf3 | 1472 | struct v4l2_format *f) |
e0d3bafd | 1473 | { |
84b5dbf3 MCC |
1474 | struct cx231xx_fh *fh = priv; |
1475 | struct cx231xx *dev = fh->dev; | |
6264722c | 1476 | |
adc0356e | 1477 | f->fmt.vbi.sampling_rate = 6750000 * 4; |
e0d3bafd SD |
1478 | f->fmt.vbi.samples_per_line = VBI_LINE_LENGTH; |
1479 | f->fmt.vbi.sample_format = V4L2_PIX_FMT_GREY; | |
adc0356e | 1480 | f->fmt.vbi.offset = 0; |
e0d3bafd | 1481 | f->fmt.vbi.start[0] = (dev->norm & V4L2_STD_625_50) ? |
84b5dbf3 | 1482 | PAL_VBI_START_LINE : NTSC_VBI_START_LINE; |
e0d3bafd | 1483 | f->fmt.vbi.count[0] = (dev->norm & V4L2_STD_625_50) ? |
84b5dbf3 | 1484 | PAL_VBI_LINES : NTSC_VBI_LINES; |
e0d3bafd | 1485 | f->fmt.vbi.start[1] = (dev->norm & V4L2_STD_625_50) ? |
84b5dbf3 | 1486 | PAL_VBI_START_LINE + 312 : NTSC_VBI_START_LINE + 263; |
e0d3bafd | 1487 | f->fmt.vbi.count[1] = f->fmt.vbi.count[0]; |
6264722c | 1488 | memset(f->fmt.vbi.reserved, 0, sizeof(f->fmt.vbi.reserved)); |
e0d3bafd SD |
1489 | |
1490 | return 0; | |
1491 | ||
1492 | } | |
1493 | ||
1494 | static int vidioc_try_fmt_vbi_cap(struct file *file, void *priv, | |
84b5dbf3 | 1495 | struct v4l2_format *f) |
e0d3bafd | 1496 | { |
84b5dbf3 MCC |
1497 | struct cx231xx_fh *fh = priv; |
1498 | struct cx231xx *dev = fh->dev; | |
e0d3bafd | 1499 | |
adc0356e | 1500 | f->fmt.vbi.sampling_rate = 6750000 * 4; |
e0d3bafd SD |
1501 | f->fmt.vbi.samples_per_line = VBI_LINE_LENGTH; |
1502 | f->fmt.vbi.sample_format = V4L2_PIX_FMT_GREY; | |
adc0356e | 1503 | f->fmt.vbi.offset = 0; |
e0d3bafd SD |
1504 | f->fmt.vbi.flags = 0; |
1505 | f->fmt.vbi.start[0] = (dev->norm & V4L2_STD_625_50) ? | |
84b5dbf3 | 1506 | PAL_VBI_START_LINE : NTSC_VBI_START_LINE; |
e0d3bafd | 1507 | f->fmt.vbi.count[0] = (dev->norm & V4L2_STD_625_50) ? |
84b5dbf3 | 1508 | PAL_VBI_LINES : NTSC_VBI_LINES; |
e0d3bafd | 1509 | f->fmt.vbi.start[1] = (dev->norm & V4L2_STD_625_50) ? |
84b5dbf3 | 1510 | PAL_VBI_START_LINE + 312 : NTSC_VBI_START_LINE + 263; |
e0d3bafd | 1511 | f->fmt.vbi.count[1] = f->fmt.vbi.count[0]; |
6264722c | 1512 | memset(f->fmt.vbi.reserved, 0, sizeof(f->fmt.vbi.reserved)); |
e0d3bafd SD |
1513 | |
1514 | return 0; | |
1515 | ||
1516 | } | |
1517 | ||
6264722c HV |
1518 | static int vidioc_s_fmt_vbi_cap(struct file *file, void *priv, |
1519 | struct v4l2_format *f) | |
1520 | { | |
1521 | struct cx231xx_fh *fh = priv; | |
1522 | struct cx231xx *dev = fh->dev; | |
1523 | ||
1524 | if (dev->vbi_stream_on && !fh->stream_on) { | |
589dadf2 | 1525 | pr_err("%s device in use by another fh\n", __func__); |
6264722c HV |
1526 | return -EBUSY; |
1527 | } | |
1528 | return vidioc_try_fmt_vbi_cap(file, priv, f); | |
1529 | } | |
1530 | ||
e0d3bafd SD |
1531 | static int vidioc_reqbufs(struct file *file, void *priv, |
1532 | struct v4l2_requestbuffers *rb) | |
1533 | { | |
84b5dbf3 MCC |
1534 | struct cx231xx_fh *fh = priv; |
1535 | struct cx231xx *dev = fh->dev; | |
1536 | int rc; | |
e0d3bafd SD |
1537 | |
1538 | rc = check_dev(dev); | |
1539 | if (rc < 0) | |
1540 | return rc; | |
1541 | ||
cde4362f | 1542 | return videobuf_reqbufs(&fh->vb_vidq, rb); |
e0d3bafd SD |
1543 | } |
1544 | ||
84b5dbf3 | 1545 | static int vidioc_querybuf(struct file *file, void *priv, struct v4l2_buffer *b) |
e0d3bafd | 1546 | { |
84b5dbf3 MCC |
1547 | struct cx231xx_fh *fh = priv; |
1548 | struct cx231xx *dev = fh->dev; | |
1549 | int rc; | |
e0d3bafd SD |
1550 | |
1551 | rc = check_dev(dev); | |
1552 | if (rc < 0) | |
1553 | return rc; | |
1554 | ||
cde4362f | 1555 | return videobuf_querybuf(&fh->vb_vidq, b); |
e0d3bafd SD |
1556 | } |
1557 | ||
1558 | static int vidioc_qbuf(struct file *file, void *priv, struct v4l2_buffer *b) | |
1559 | { | |
84b5dbf3 MCC |
1560 | struct cx231xx_fh *fh = priv; |
1561 | struct cx231xx *dev = fh->dev; | |
1562 | int rc; | |
e0d3bafd SD |
1563 | |
1564 | rc = check_dev(dev); | |
1565 | if (rc < 0) | |
1566 | return rc; | |
1567 | ||
cde4362f | 1568 | return videobuf_qbuf(&fh->vb_vidq, b); |
e0d3bafd SD |
1569 | } |
1570 | ||
1571 | static int vidioc_dqbuf(struct file *file, void *priv, struct v4l2_buffer *b) | |
1572 | { | |
84b5dbf3 MCC |
1573 | struct cx231xx_fh *fh = priv; |
1574 | struct cx231xx *dev = fh->dev; | |
1575 | int rc; | |
e0d3bafd SD |
1576 | |
1577 | rc = check_dev(dev); | |
1578 | if (rc < 0) | |
1579 | return rc; | |
1580 | ||
cde4362f | 1581 | return videobuf_dqbuf(&fh->vb_vidq, b, file->f_flags & O_NONBLOCK); |
e0d3bafd SD |
1582 | } |
1583 | ||
e0d3bafd SD |
1584 | /* ----------------------------------------------------------- */ |
1585 | /* RADIO ESPECIFIC IOCTLS */ | |
1586 | /* ----------------------------------------------------------- */ | |
1587 | ||
84b5dbf3 | 1588 | static int radio_g_tuner(struct file *file, void *priv, struct v4l2_tuner *t) |
e0d3bafd SD |
1589 | { |
1590 | struct cx231xx *dev = ((struct cx231xx_fh *)priv)->dev; | |
1591 | ||
530e01e7 | 1592 | if (t->index) |
e0d3bafd SD |
1593 | return -EINVAL; |
1594 | ||
1595 | strcpy(t->name, "Radio"); | |
e0d3bafd | 1596 | |
530e01e7 | 1597 | call_all(dev, tuner, g_tuner, t); |
e0d3bafd | 1598 | |
e0d3bafd SD |
1599 | return 0; |
1600 | } | |
2f73c7c5 | 1601 | static int radio_s_tuner(struct file *file, void *priv, const struct v4l2_tuner *t) |
e0d3bafd SD |
1602 | { |
1603 | struct cx231xx *dev = ((struct cx231xx_fh *)priv)->dev; | |
1604 | ||
b86d1544 | 1605 | if (t->index) |
e0d3bafd SD |
1606 | return -EINVAL; |
1607 | ||
b1196126 | 1608 | call_all(dev, tuner, s_tuner, t); |
e0d3bafd SD |
1609 | |
1610 | return 0; | |
1611 | } | |
1612 | ||
e0d3bafd SD |
1613 | /* |
1614 | * cx231xx_v4l2_open() | |
1615 | * inits the device and starts isoc transfer | |
1616 | */ | |
1617 | static int cx231xx_v4l2_open(struct file *filp) | |
1618 | { | |
4df16f70 | 1619 | int radio = 0; |
63b0d5ad LP |
1620 | struct video_device *vdev = video_devdata(filp); |
1621 | struct cx231xx *dev = video_drvdata(filp); | |
e0d3bafd SD |
1622 | struct cx231xx_fh *fh; |
1623 | enum v4l2_buf_type fh_type = 0; | |
1624 | ||
63b0d5ad LP |
1625 | switch (vdev->vfl_type) { |
1626 | case VFL_TYPE_GRABBER: | |
1627 | fh_type = V4L2_BUF_TYPE_VIDEO_CAPTURE; | |
1628 | break; | |
1629 | case VFL_TYPE_VBI: | |
1630 | fh_type = V4L2_BUF_TYPE_VBI_CAPTURE; | |
1631 | break; | |
1632 | case VFL_TYPE_RADIO: | |
1633 | radio = 1; | |
1634 | break; | |
1635 | } | |
e0d3bafd | 1636 | |
50462eb0 LP |
1637 | cx231xx_videodbg("open dev=%s type=%s users=%d\n", |
1638 | video_device_node_name(vdev), v4l2_type_names[fh_type], | |
1639 | dev->users); | |
e0d3bafd SD |
1640 | |
1641 | #if 0 | |
1642 | errCode = cx231xx_set_mode(dev, CX231XX_ANALOG_MODE); | |
1643 | if (errCode < 0) { | |
ed0e3729 | 1644 | pr_err("Device locked on digital mode. Can't open analog\n"); |
e0d3bafd SD |
1645 | return -EBUSY; |
1646 | } | |
1647 | #endif | |
1648 | ||
1649 | fh = kzalloc(sizeof(struct cx231xx_fh), GFP_KERNEL); | |
1650 | if (!fh) { | |
589dadf2 | 1651 | pr_err("cx231xx-video.c: Out of memory?!\n"); |
e0d3bafd SD |
1652 | return -ENOMEM; |
1653 | } | |
1f7e073d HV |
1654 | if (mutex_lock_interruptible(&dev->lock)) { |
1655 | kfree(fh); | |
1656 | return -ERESTARTSYS; | |
1657 | } | |
e0d3bafd | 1658 | fh->dev = dev; |
e0d3bafd SD |
1659 | fh->type = fh_type; |
1660 | filp->private_data = fh; | |
1d08a4fa | 1661 | v4l2_fh_init(&fh->fh, vdev); |
e0d3bafd SD |
1662 | |
1663 | if (fh->type == V4L2_BUF_TYPE_VIDEO_CAPTURE && dev->users == 0) { | |
84b5dbf3 | 1664 | /* Power up in Analog TV mode */ |
2f861387 | 1665 | if (dev->board.external_av) |
64fbf444 PB |
1666 | cx231xx_set_power_mode(dev, |
1667 | POLARIS_AVMODE_ENXTERNAL_AV); | |
1668 | else | |
1669 | cx231xx_set_power_mode(dev, POLARIS_AVMODE_ANALOGT_TV); | |
e0d3bafd SD |
1670 | |
1671 | #if 0 | |
1672 | cx231xx_set_mode(dev, CX231XX_ANALOG_MODE); | |
1673 | #endif | |
e0d3bafd | 1674 | |
84b5dbf3 MCC |
1675 | /* set video alternate setting */ |
1676 | cx231xx_set_video_alternate(dev); | |
e0d3bafd SD |
1677 | |
1678 | /* Needed, since GPIO might have disabled power of | |
1679 | some i2c device */ | |
1680 | cx231xx_config_i2c(dev); | |
1681 | ||
1682 | /* device needs to be initialized before isoc transfer */ | |
84b5dbf3 | 1683 | dev->video_input = dev->video_input > 2 ? 2 : dev->video_input; |
e0d3bafd SD |
1684 | |
1685 | } | |
71590765 | 1686 | if (radio) { |
e0d3bafd SD |
1687 | cx231xx_videodbg("video_open: setting radio device\n"); |
1688 | ||
1689 | /* cx231xx_start_radio(dev); */ | |
1690 | ||
b1196126 | 1691 | call_all(dev, tuner, s_radio); |
e0d3bafd SD |
1692 | } |
1693 | ||
1694 | dev->users++; | |
1695 | ||
cde4362f MCC |
1696 | if (fh->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) |
1697 | videobuf_queue_vmalloc_init(&fh->vb_vidq, &cx231xx_video_qops, | |
1698 | NULL, &dev->video_mode.slock, | |
1699 | fh->type, V4L2_FIELD_INTERLACED, | |
08bff03e | 1700 | sizeof(struct cx231xx_buffer), |
643800d5 | 1701 | fh, &dev->lock); |
84b5dbf3 | 1702 | if (fh->type == V4L2_BUF_TYPE_VBI_CAPTURE) { |
cde4362f MCC |
1703 | /* Set the required alternate setting VBI interface works in |
1704 | Bulk mode only */ | |
2f861387 | 1705 | cx231xx_set_alt_setting(dev, INDEX_VANC, 0); |
e0d3bafd | 1706 | |
cde4362f MCC |
1707 | videobuf_queue_vmalloc_init(&fh->vb_vidq, &cx231xx_vbi_qops, |
1708 | NULL, &dev->vbi_mode.slock, | |
1709 | fh->type, V4L2_FIELD_SEQ_TB, | |
08bff03e | 1710 | sizeof(struct cx231xx_buffer), |
643800d5 | 1711 | fh, &dev->lock); |
84b5dbf3 | 1712 | } |
1f7e073d | 1713 | mutex_unlock(&dev->lock); |
1d08a4fa | 1714 | v4l2_fh_add(&fh->fh); |
e0d3bafd | 1715 | |
4df16f70 | 1716 | return 0; |
e0d3bafd SD |
1717 | } |
1718 | ||
1719 | /* | |
1720 | * cx231xx_realease_resources() | |
1721 | * unregisters the v4l2,i2c and usb devices | |
1722 | * called when the device gets disconected or at module unload | |
1723 | */ | |
1724 | void cx231xx_release_analog_resources(struct cx231xx *dev) | |
1725 | { | |
1726 | ||
1727 | /*FIXME: I2C IR should be disconnected */ | |
1728 | ||
1729 | if (dev->radio_dev) { | |
f0813b4c | 1730 | if (video_is_registered(dev->radio_dev)) |
e0d3bafd SD |
1731 | video_unregister_device(dev->radio_dev); |
1732 | else | |
1733 | video_device_release(dev->radio_dev); | |
1734 | dev->radio_dev = NULL; | |
1735 | } | |
1736 | if (dev->vbi_dev) { | |
589dadf2 | 1737 | pr_info("V4L2 device %s deregistered\n", |
ed0e3729 | 1738 | video_device_node_name(dev->vbi_dev)); |
f0813b4c | 1739 | if (video_is_registered(dev->vbi_dev)) |
e0d3bafd SD |
1740 | video_unregister_device(dev->vbi_dev); |
1741 | else | |
1742 | video_device_release(dev->vbi_dev); | |
1743 | dev->vbi_dev = NULL; | |
1744 | } | |
1745 | if (dev->vdev) { | |
589dadf2 | 1746 | pr_info("V4L2 device %s deregistered\n", |
ed0e3729 | 1747 | video_device_node_name(dev->vdev)); |
64fbf444 | 1748 | |
2f861387 | 1749 | if (dev->board.has_417) |
64fbf444 PB |
1750 | cx231xx_417_unregister(dev); |
1751 | ||
f0813b4c | 1752 | if (video_is_registered(dev->vdev)) |
e0d3bafd SD |
1753 | video_unregister_device(dev->vdev); |
1754 | else | |
1755 | video_device_release(dev->vdev); | |
1756 | dev->vdev = NULL; | |
1757 | } | |
d2370f8e HV |
1758 | v4l2_ctrl_handler_free(&dev->ctrl_handler); |
1759 | v4l2_ctrl_handler_free(&dev->radio_ctrl_handler); | |
e0d3bafd SD |
1760 | } |
1761 | ||
1762 | /* | |
1f7e073d | 1763 | * cx231xx_close() |
e0d3bafd SD |
1764 | * stops streaming and deallocates all resources allocated by the v4l2 |
1765 | * calls and ioctls | |
1766 | */ | |
1f7e073d | 1767 | static int cx231xx_close(struct file *filp) |
e0d3bafd | 1768 | { |
84b5dbf3 MCC |
1769 | struct cx231xx_fh *fh = filp->private_data; |
1770 | struct cx231xx *dev = fh->dev; | |
e0d3bafd SD |
1771 | |
1772 | cx231xx_videodbg("users=%d\n", dev->users); | |
1773 | ||
64fbf444 | 1774 | cx231xx_videodbg("users=%d\n", dev->users); |
e0d3bafd SD |
1775 | if (res_check(fh)) |
1776 | res_free(fh); | |
1777 | ||
2f861387 MCC |
1778 | /* |
1779 | * To workaround error number=-71 on EP0 for VideoGrabber, | |
1780 | * need exclude following. | |
1781 | * FIXME: It is probably safe to remove most of these, as we're | |
1782 | * now avoiding the alternate setting for INDEX_VANC | |
1783 | */ | |
1784 | if (!dev->board.no_alt_vanc) | |
64fbf444 PB |
1785 | if (fh->type == V4L2_BUF_TYPE_VBI_CAPTURE) { |
1786 | videobuf_stop(&fh->vb_vidq); | |
1787 | videobuf_mmap_free(&fh->vb_vidq); | |
1788 | ||
1789 | /* the device is already disconnect, | |
1790 | free the remaining resources */ | |
1791 | if (dev->state & DEV_DISCONNECTED) { | |
1792 | if (atomic_read(&dev->devlist_count) > 0) { | |
1793 | cx231xx_release_resources(dev); | |
266e8ae3 | 1794 | fh->dev = NULL; |
64fbf444 PB |
1795 | return 0; |
1796 | } | |
64fbf444 PB |
1797 | return 0; |
1798 | } | |
84b5dbf3 | 1799 | |
64fbf444 PB |
1800 | /* do this before setting alternate! */ |
1801 | cx231xx_uninit_vbi_isoc(dev); | |
1802 | ||
1803 | /* set alternate 0 */ | |
1804 | if (!dev->vbi_or_sliced_cc_mode) | |
1805 | cx231xx_set_alt_setting(dev, INDEX_VANC, 0); | |
1806 | else | |
1807 | cx231xx_set_alt_setting(dev, INDEX_HANC, 0); | |
1808 | ||
1d08a4fa HV |
1809 | v4l2_fh_del(&fh->fh); |
1810 | v4l2_fh_exit(&fh->fh); | |
64fbf444 PB |
1811 | kfree(fh); |
1812 | dev->users--; | |
1813 | wake_up_interruptible_nr(&dev->open, 1); | |
84b5dbf3 MCC |
1814 | return 0; |
1815 | } | |
1816 | ||
1d08a4fa | 1817 | v4l2_fh_del(&fh->fh); |
990862a2 MCC |
1818 | dev->users--; |
1819 | if (!dev->users) { | |
e0d3bafd SD |
1820 | videobuf_stop(&fh->vb_vidq); |
1821 | videobuf_mmap_free(&fh->vb_vidq); | |
1822 | ||
1823 | /* the device is already disconnect, | |
1824 | free the remaining resources */ | |
1825 | if (dev->state & DEV_DISCONNECTED) { | |
1826 | cx231xx_release_resources(dev); | |
266e8ae3 | 1827 | fh->dev = NULL; |
e0d3bafd SD |
1828 | return 0; |
1829 | } | |
1830 | ||
84b5dbf3 | 1831 | /* Save some power by putting tuner to sleep */ |
622b828a | 1832 | call_all(dev, core, s_power, 0); |
e0d3bafd SD |
1833 | |
1834 | /* do this before setting alternate! */ | |
64fbf444 PB |
1835 | if (dev->USE_ISO) |
1836 | cx231xx_uninit_isoc(dev); | |
1837 | else | |
1838 | cx231xx_uninit_bulk(dev); | |
e0d3bafd SD |
1839 | cx231xx_set_mode(dev, CX231XX_SUSPEND); |
1840 | ||
1841 | /* set alternate 0 */ | |
1842 | cx231xx_set_alt_setting(dev, INDEX_VIDEO, 0); | |
1843 | } | |
1d08a4fa | 1844 | v4l2_fh_exit(&fh->fh); |
e0d3bafd | 1845 | kfree(fh); |
e0d3bafd | 1846 | wake_up_interruptible_nr(&dev->open, 1); |
e0d3bafd SD |
1847 | return 0; |
1848 | } | |
1849 | ||
1f7e073d HV |
1850 | static int cx231xx_v4l2_close(struct file *filp) |
1851 | { | |
1852 | struct cx231xx_fh *fh = filp->private_data; | |
1853 | struct cx231xx *dev = fh->dev; | |
1854 | int rc; | |
1855 | ||
1856 | mutex_lock(&dev->lock); | |
1857 | rc = cx231xx_close(filp); | |
1858 | mutex_unlock(&dev->lock); | |
1859 | return rc; | |
1860 | } | |
1861 | ||
e0d3bafd SD |
1862 | /* |
1863 | * cx231xx_v4l2_read() | |
1864 | * will allocate buffers when called for the first time | |
1865 | */ | |
1866 | static ssize_t | |
cde4362f MCC |
1867 | cx231xx_v4l2_read(struct file *filp, char __user *buf, size_t count, |
1868 | loff_t *pos) | |
e0d3bafd SD |
1869 | { |
1870 | struct cx231xx_fh *fh = filp->private_data; | |
1871 | struct cx231xx *dev = fh->dev; | |
1872 | int rc; | |
1873 | ||
1874 | rc = check_dev(dev); | |
1875 | if (rc < 0) | |
1876 | return rc; | |
1877 | ||
84b5dbf3 MCC |
1878 | if ((fh->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) || |
1879 | (fh->type == V4L2_BUF_TYPE_VBI_CAPTURE)) { | |
e0d3bafd | 1880 | rc = res_get(fh); |
e0d3bafd SD |
1881 | |
1882 | if (unlikely(rc < 0)) | |
1883 | return rc; | |
1884 | ||
1f7e073d HV |
1885 | if (mutex_lock_interruptible(&dev->lock)) |
1886 | return -ERESTARTSYS; | |
1887 | rc = videobuf_read_stream(&fh->vb_vidq, buf, count, pos, 0, | |
84b5dbf3 | 1888 | filp->f_flags & O_NONBLOCK); |
1f7e073d HV |
1889 | mutex_unlock(&dev->lock); |
1890 | return rc; | |
e0d3bafd SD |
1891 | } |
1892 | return 0; | |
1893 | } | |
1894 | ||
1895 | /* | |
1896 | * cx231xx_v4l2_poll() | |
1897 | * will allocate buffers when called for the first time | |
1898 | */ | |
64fbf444 | 1899 | static unsigned int cx231xx_v4l2_poll(struct file *filp, poll_table *wait) |
e0d3bafd | 1900 | { |
1d08a4fa | 1901 | unsigned long req_events = poll_requested_events(wait); |
e0d3bafd SD |
1902 | struct cx231xx_fh *fh = filp->private_data; |
1903 | struct cx231xx *dev = fh->dev; | |
1d08a4fa | 1904 | unsigned res = 0; |
e0d3bafd SD |
1905 | int rc; |
1906 | ||
1907 | rc = check_dev(dev); | |
1908 | if (rc < 0) | |
1d08a4fa | 1909 | return POLLERR; |
e0d3bafd | 1910 | |
e0d3bafd | 1911 | rc = res_get(fh); |
e0d3bafd SD |
1912 | |
1913 | if (unlikely(rc < 0)) | |
1914 | return POLLERR; | |
1915 | ||
1d08a4fa HV |
1916 | if (v4l2_event_pending(&fh->fh)) |
1917 | res |= POLLPRI; | |
1918 | else | |
1919 | poll_wait(filp, &fh->fh.wait, wait); | |
1920 | ||
1921 | if (!(req_events & (POLLIN | POLLRDNORM))) | |
1922 | return res; | |
1923 | ||
84b5dbf3 | 1924 | if ((V4L2_BUF_TYPE_VIDEO_CAPTURE == fh->type) || |
1f7e073d | 1925 | (V4L2_BUF_TYPE_VBI_CAPTURE == fh->type)) { |
1f7e073d | 1926 | mutex_lock(&dev->lock); |
1d08a4fa | 1927 | res |= videobuf_poll_stream(filp, &fh->vb_vidq, wait); |
1f7e073d HV |
1928 | mutex_unlock(&dev->lock); |
1929 | return res; | |
1930 | } | |
1d08a4fa | 1931 | return res | POLLERR; |
e0d3bafd SD |
1932 | } |
1933 | ||
1934 | /* | |
1935 | * cx231xx_v4l2_mmap() | |
1936 | */ | |
1937 | static int cx231xx_v4l2_mmap(struct file *filp, struct vm_area_struct *vma) | |
1938 | { | |
84b5dbf3 MCC |
1939 | struct cx231xx_fh *fh = filp->private_data; |
1940 | struct cx231xx *dev = fh->dev; | |
1941 | int rc; | |
e0d3bafd SD |
1942 | |
1943 | rc = check_dev(dev); | |
1944 | if (rc < 0) | |
1945 | return rc; | |
1946 | ||
e0d3bafd | 1947 | rc = res_get(fh); |
e0d3bafd SD |
1948 | |
1949 | if (unlikely(rc < 0)) | |
1950 | return rc; | |
1951 | ||
1f7e073d HV |
1952 | if (mutex_lock_interruptible(&dev->lock)) |
1953 | return -ERESTARTSYS; | |
e0d3bafd | 1954 | rc = videobuf_mmap_mapper(&fh->vb_vidq, vma); |
1f7e073d | 1955 | mutex_unlock(&dev->lock); |
e0d3bafd SD |
1956 | |
1957 | cx231xx_videodbg("vma start=0x%08lx, size=%ld, ret=%d\n", | |
84b5dbf3 MCC |
1958 | (unsigned long)vma->vm_start, |
1959 | (unsigned long)vma->vm_end - | |
1960 | (unsigned long)vma->vm_start, rc); | |
e0d3bafd SD |
1961 | |
1962 | return rc; | |
1963 | } | |
1964 | ||
1965 | static const struct v4l2_file_operations cx231xx_v4l_fops = { | |
cde4362f MCC |
1966 | .owner = THIS_MODULE, |
1967 | .open = cx231xx_v4l2_open, | |
84b5dbf3 | 1968 | .release = cx231xx_v4l2_close, |
cde4362f MCC |
1969 | .read = cx231xx_v4l2_read, |
1970 | .poll = cx231xx_v4l2_poll, | |
1971 | .mmap = cx231xx_v4l2_mmap, | |
643800d5 | 1972 | .unlocked_ioctl = video_ioctl2, |
e0d3bafd SD |
1973 | }; |
1974 | ||
1975 | static const struct v4l2_ioctl_ops video_ioctl_ops = { | |
bc08734c | 1976 | .vidioc_querycap = cx231xx_querycap, |
cde4362f MCC |
1977 | .vidioc_enum_fmt_vid_cap = vidioc_enum_fmt_vid_cap, |
1978 | .vidioc_g_fmt_vid_cap = vidioc_g_fmt_vid_cap, | |
1979 | .vidioc_try_fmt_vid_cap = vidioc_try_fmt_vid_cap, | |
1980 | .vidioc_s_fmt_vid_cap = vidioc_s_fmt_vid_cap, | |
1981 | .vidioc_g_fmt_vbi_cap = vidioc_g_fmt_vbi_cap, | |
1982 | .vidioc_try_fmt_vbi_cap = vidioc_try_fmt_vbi_cap, | |
6264722c | 1983 | .vidioc_s_fmt_vbi_cap = vidioc_s_fmt_vbi_cap, |
cde4362f | 1984 | .vidioc_cropcap = vidioc_cropcap, |
cde4362f MCC |
1985 | .vidioc_reqbufs = vidioc_reqbufs, |
1986 | .vidioc_querybuf = vidioc_querybuf, | |
1987 | .vidioc_qbuf = vidioc_qbuf, | |
1988 | .vidioc_dqbuf = vidioc_dqbuf, | |
1989 | .vidioc_s_std = vidioc_s_std, | |
1990 | .vidioc_g_std = vidioc_g_std, | |
b86d1544 HV |
1991 | .vidioc_enum_input = cx231xx_enum_input, |
1992 | .vidioc_g_input = cx231xx_g_input, | |
1993 | .vidioc_s_input = cx231xx_s_input, | |
cde4362f MCC |
1994 | .vidioc_streamon = vidioc_streamon, |
1995 | .vidioc_streamoff = vidioc_streamoff, | |
b86d1544 HV |
1996 | .vidioc_g_tuner = cx231xx_g_tuner, |
1997 | .vidioc_s_tuner = cx231xx_s_tuner, | |
1998 | .vidioc_g_frequency = cx231xx_g_frequency, | |
1999 | .vidioc_s_frequency = cx231xx_s_frequency, | |
e0d3bafd | 2000 | #ifdef CONFIG_VIDEO_ADV_DEBUG |
08fe9f7d | 2001 | .vidioc_g_chip_info = cx231xx_g_chip_info, |
b86d1544 HV |
2002 | .vidioc_g_register = cx231xx_g_register, |
2003 | .vidioc_s_register = cx231xx_s_register, | |
e0d3bafd | 2004 | #endif |
1d08a4fa HV |
2005 | .vidioc_subscribe_event = v4l2_ctrl_subscribe_event, |
2006 | .vidioc_unsubscribe_event = v4l2_event_unsubscribe, | |
e0d3bafd SD |
2007 | }; |
2008 | ||
2009 | static struct video_device cx231xx_vbi_template; | |
2010 | ||
2011 | static const struct video_device cx231xx_video_template = { | |
cde4362f MCC |
2012 | .fops = &cx231xx_v4l_fops, |
2013 | .release = video_device_release, | |
2014 | .ioctl_ops = &video_ioctl_ops, | |
cde4362f | 2015 | .tvnorms = V4L2_STD_ALL, |
e0d3bafd SD |
2016 | }; |
2017 | ||
2018 | static const struct v4l2_file_operations radio_fops = { | |
cde4362f MCC |
2019 | .owner = THIS_MODULE, |
2020 | .open = cx231xx_v4l2_open, | |
84b5dbf3 | 2021 | .release = cx231xx_v4l2_close, |
1d08a4fa | 2022 | .poll = v4l2_ctrl_poll, |
1265f080 | 2023 | .unlocked_ioctl = video_ioctl2, |
e0d3bafd SD |
2024 | }; |
2025 | ||
2026 | static const struct v4l2_ioctl_ops radio_ioctl_ops = { | |
bc08734c | 2027 | .vidioc_querycap = cx231xx_querycap, |
cde4362f | 2028 | .vidioc_g_tuner = radio_g_tuner, |
cde4362f | 2029 | .vidioc_s_tuner = radio_s_tuner, |
b86d1544 HV |
2030 | .vidioc_g_frequency = cx231xx_g_frequency, |
2031 | .vidioc_s_frequency = cx231xx_s_frequency, | |
e0d3bafd | 2032 | #ifdef CONFIG_VIDEO_ADV_DEBUG |
08fe9f7d | 2033 | .vidioc_g_chip_info = cx231xx_g_chip_info, |
b86d1544 HV |
2034 | .vidioc_g_register = cx231xx_g_register, |
2035 | .vidioc_s_register = cx231xx_s_register, | |
e0d3bafd | 2036 | #endif |
1d08a4fa HV |
2037 | .vidioc_subscribe_event = v4l2_ctrl_subscribe_event, |
2038 | .vidioc_unsubscribe_event = v4l2_event_unsubscribe, | |
e0d3bafd SD |
2039 | }; |
2040 | ||
2041 | static struct video_device cx231xx_radio_template = { | |
cde4362f MCC |
2042 | .name = "cx231xx-radio", |
2043 | .fops = &radio_fops, | |
84b5dbf3 | 2044 | .ioctl_ops = &radio_ioctl_ops, |
e0d3bafd SD |
2045 | }; |
2046 | ||
2047 | /******************************** usb interface ******************************/ | |
2048 | ||
b9255176 SD |
2049 | static struct video_device *cx231xx_vdev_init(struct cx231xx *dev, |
2050 | const struct video_device | |
2051 | *template, const char *type_name) | |
e0d3bafd SD |
2052 | { |
2053 | struct video_device *vfd; | |
2054 | ||
2055 | vfd = video_device_alloc(); | |
2056 | if (NULL == vfd) | |
2057 | return NULL; | |
cde4362f | 2058 | |
e0d3bafd | 2059 | *vfd = *template; |
b1196126 | 2060 | vfd->v4l2_dev = &dev->v4l2_dev; |
e0d3bafd SD |
2061 | vfd->release = video_device_release; |
2062 | vfd->debug = video_debug; | |
643800d5 | 2063 | vfd->lock = &dev->lock; |
e0d3bafd | 2064 | |
84b5dbf3 | 2065 | snprintf(vfd->name, sizeof(vfd->name), "%s %s", dev->name, type_name); |
e0d3bafd | 2066 | |
63b0d5ad | 2067 | video_set_drvdata(vfd, dev); |
06c46003 HV |
2068 | if (dev->tuner_type == TUNER_ABSENT) { |
2069 | v4l2_disable_ioctl(vfd, VIDIOC_G_FREQUENCY); | |
2070 | v4l2_disable_ioctl(vfd, VIDIOC_S_FREQUENCY); | |
2071 | v4l2_disable_ioctl(vfd, VIDIOC_G_TUNER); | |
2072 | v4l2_disable_ioctl(vfd, VIDIOC_S_TUNER); | |
2073 | } | |
e0d3bafd SD |
2074 | return vfd; |
2075 | } | |
2076 | ||
2077 | int cx231xx_register_analog_devices(struct cx231xx *dev) | |
2078 | { | |
2079 | int ret; | |
2080 | ||
ed0e3729 | 2081 | pr_info("v4l2 driver version %s\n", CX231XX_VERSION); |
e0d3bafd SD |
2082 | |
2083 | /* set default norm */ | |
a25a7012 | 2084 | dev->norm = V4L2_STD_PAL; |
e0d3bafd SD |
2085 | dev->width = norm_maxw(dev); |
2086 | dev->height = norm_maxh(dev); | |
2087 | dev->interlaced = 0; | |
e0d3bafd SD |
2088 | |
2089 | /* Analog specific initialization */ | |
2090 | dev->format = &format[0]; | |
6e6a2ba9 DH |
2091 | |
2092 | /* Set the initial input */ | |
2093 | video_mux(dev, dev->video_input); | |
e0d3bafd | 2094 | |
8774bed9 | 2095 | call_all(dev, video, s_std, dev->norm); |
d61072a4 | 2096 | |
d2370f8e HV |
2097 | v4l2_ctrl_handler_init(&dev->ctrl_handler, 10); |
2098 | v4l2_ctrl_handler_init(&dev->radio_ctrl_handler, 5); | |
2099 | ||
2100 | if (dev->sd_cx25840) { | |
2101 | v4l2_ctrl_add_handler(&dev->ctrl_handler, | |
2102 | dev->sd_cx25840->ctrl_handler, NULL); | |
2103 | v4l2_ctrl_add_handler(&dev->radio_ctrl_handler, | |
2104 | dev->sd_cx25840->ctrl_handler, | |
2105 | v4l2_ctrl_radio_filter); | |
2106 | } | |
2107 | ||
2108 | if (dev->ctrl_handler.error) | |
2109 | return dev->ctrl_handler.error; | |
2110 | if (dev->radio_ctrl_handler.error) | |
2111 | return dev->radio_ctrl_handler.error; | |
e0d3bafd SD |
2112 | |
2113 | /* enable vbi capturing */ | |
84b5dbf3 | 2114 | /* write code here... */ |
e0d3bafd SD |
2115 | |
2116 | /* allocate and fill video video_device struct */ | |
2117 | dev->vdev = cx231xx_vdev_init(dev, &cx231xx_video_template, "video"); | |
2118 | if (!dev->vdev) { | |
589dadf2 | 2119 | pr_err("cannot allocate video_device.\n"); |
e0d3bafd SD |
2120 | return -ENODEV; |
2121 | } | |
2122 | ||
d2370f8e | 2123 | dev->vdev->ctrl_handler = &dev->ctrl_handler; |
e0d3bafd SD |
2124 | /* register v4l2 video video_device */ |
2125 | ret = video_register_device(dev->vdev, VFL_TYPE_GRABBER, | |
84b5dbf3 | 2126 | video_nr[dev->devno]); |
e0d3bafd | 2127 | if (ret) { |
589dadf2 | 2128 | pr_err("unable to register video device (error=%i).\n", |
ed0e3729 | 2129 | ret); |
e0d3bafd SD |
2130 | return ret; |
2131 | } | |
2132 | ||
ed0e3729 MCC |
2133 | pr_info("Registered video device %s [v4l2]\n", |
2134 | video_device_node_name(dev->vdev)); | |
e0d3bafd | 2135 | |
84b5dbf3 | 2136 | /* Initialize VBI template */ |
3724dde9 | 2137 | cx231xx_vbi_template = cx231xx_video_template; |
84b5dbf3 | 2138 | strcpy(cx231xx_vbi_template.name, "cx231xx-vbi"); |
e0d3bafd SD |
2139 | |
2140 | /* Allocate and fill vbi video_device struct */ | |
2141 | dev->vbi_dev = cx231xx_vdev_init(dev, &cx231xx_vbi_template, "vbi"); | |
2142 | ||
d2370f8e | 2143 | if (!dev->vbi_dev) { |
589dadf2 | 2144 | pr_err("cannot allocate video_device.\n"); |
d2370f8e HV |
2145 | return -ENODEV; |
2146 | } | |
2147 | dev->vbi_dev->ctrl_handler = &dev->ctrl_handler; | |
e0d3bafd SD |
2148 | /* register v4l2 vbi video_device */ |
2149 | ret = video_register_device(dev->vbi_dev, VFL_TYPE_VBI, | |
84b5dbf3 | 2150 | vbi_nr[dev->devno]); |
e0d3bafd | 2151 | if (ret < 0) { |
589dadf2 | 2152 | pr_err("unable to register vbi device\n"); |
e0d3bafd SD |
2153 | return ret; |
2154 | } | |
2155 | ||
ed0e3729 MCC |
2156 | pr_info("Registered VBI device %s\n", |
2157 | video_device_node_name(dev->vbi_dev)); | |
e0d3bafd SD |
2158 | |
2159 | if (cx231xx_boards[dev->model].radio.type == CX231XX_RADIO) { | |
cde4362f MCC |
2160 | dev->radio_dev = cx231xx_vdev_init(dev, &cx231xx_radio_template, |
2161 | "radio"); | |
e0d3bafd | 2162 | if (!dev->radio_dev) { |
589dadf2 | 2163 | pr_err("cannot allocate video_device.\n"); |
e0d3bafd SD |
2164 | return -ENODEV; |
2165 | } | |
d2370f8e | 2166 | dev->radio_dev->ctrl_handler = &dev->radio_ctrl_handler; |
e0d3bafd SD |
2167 | ret = video_register_device(dev->radio_dev, VFL_TYPE_RADIO, |
2168 | radio_nr[dev->devno]); | |
2169 | if (ret < 0) { | |
589dadf2 | 2170 | pr_err("can't register radio device\n"); |
e0d3bafd SD |
2171 | return ret; |
2172 | } | |
589dadf2 | 2173 | pr_info("Registered radio device as %s\n", |
ed0e3729 | 2174 | video_device_node_name(dev->radio_dev)); |
e0d3bafd SD |
2175 | } |
2176 | ||
e0d3bafd SD |
2177 | return 0; |
2178 | } |