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Commit | Line | Data |
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02b20b0b MCC |
1 | /* |
2 | * Driver for the Conexant CX25821 PCIe bridge | |
3 | * | |
bb4c9a74 | 4 | * Copyright (C) 2009 Conexant Systems Inc. |
02b20b0b MCC |
5 | * Authors <shu.lin@conexant.com>, <hiep.huynh@conexant.com> |
6 | * Based on Steven Toth <stoth@linuxtv.org> cx23885 driver | |
7 | * | |
8 | * This program is free software; you can redistribute it and/or modify | |
9 | * it under the terms of the GNU General Public License as published by | |
10 | * the Free Software Foundation; either version 2 of the License, or | |
11 | * (at your option) any later version. | |
12 | * | |
13 | * This program is distributed in the hope that it will be useful, | |
14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | * | |
17 | * GNU General Public License for more details. | |
18 | * | |
19 | * You should have received a copy of the GNU General Public License | |
20 | * along with this program; if not, write to the Free Software | |
21 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. | |
22 | */ | |
23 | ||
24 | #include "cx25821-video.h" | |
25 | ||
26 | MODULE_DESCRIPTION("v4l2 driver module for cx25821 based TV cards"); | |
27 | MODULE_AUTHOR("Steven Toth <stoth@linuxtv.org>"); | |
28 | MODULE_LICENSE("GPL"); | |
29 | ||
53e712d0 MCC |
30 | static unsigned int video_nr[] = {[0 ... (CX25821_MAXBOARDS - 1)] = UNSET }; |
31 | static unsigned int radio_nr[] = {[0 ... (CX25821_MAXBOARDS - 1)] = UNSET }; | |
02b20b0b MCC |
32 | |
33 | module_param_array(video_nr, int, NULL, 0444); | |
34 | module_param_array(radio_nr, int, NULL, 0444); | |
35 | ||
36 | MODULE_PARM_DESC(video_nr, "video device numbers"); | |
37 | MODULE_PARM_DESC(radio_nr, "radio device numbers"); | |
38 | ||
1a9fc855 | 39 | static unsigned int video_debug = VIDEO_DEBUG; |
02b20b0b MCC |
40 | module_param(video_debug, int, 0644); |
41 | MODULE_PARM_DESC(video_debug, "enable debug messages [video]"); | |
42 | ||
43 | static unsigned int irq_debug; | |
44 | module_param(irq_debug, int, 0644); | |
45 | MODULE_PARM_DESC(irq_debug, "enable debug messages [IRQ handler]"); | |
46 | ||
47 | unsigned int vid_limit = 16; | |
48 | module_param(vid_limit, int, 0644); | |
49 | MODULE_PARM_DESC(vid_limit, "capture memory limit in megabytes"); | |
50 | ||
51 | static void init_controls(struct cx25821_dev *dev, int chan_num); | |
52 | ||
53 | #define FORMAT_FLAGS_PACKED 0x01 | |
54 | ||
55 | struct cx25821_fmt formats[] = { | |
1a9fc855 MCC |
56 | { |
57 | .name = "8 bpp, gray", | |
58 | .fourcc = V4L2_PIX_FMT_GREY, | |
59 | .depth = 8, | |
60 | .flags = FORMAT_FLAGS_PACKED, | |
61 | }, { | |
62 | .name = "4:1:1, packed, Y41P", | |
63 | .fourcc = V4L2_PIX_FMT_Y41P, | |
64 | .depth = 12, | |
65 | .flags = FORMAT_FLAGS_PACKED, | |
66 | }, { | |
67 | .name = "4:2:2, packed, YUYV", | |
68 | .fourcc = V4L2_PIX_FMT_YUYV, | |
69 | .depth = 16, | |
70 | .flags = FORMAT_FLAGS_PACKED, | |
71 | }, { | |
72 | .name = "4:2:2, packed, UYVY", | |
73 | .fourcc = V4L2_PIX_FMT_UYVY, | |
74 | .depth = 16, | |
75 | .flags = FORMAT_FLAGS_PACKED, | |
76 | }, { | |
77 | .name = "4:2:0, YUV", | |
78 | .fourcc = V4L2_PIX_FMT_YUV420, | |
79 | .depth = 12, | |
80 | .flags = FORMAT_FLAGS_PACKED, | |
81 | }, | |
02b20b0b MCC |
82 | }; |
83 | ||
02b20b0b MCC |
84 | int get_format_size(void) |
85 | { | |
1a9fc855 | 86 | return ARRAY_SIZE(formats); |
02b20b0b MCC |
87 | } |
88 | ||
02b20b0b MCC |
89 | struct cx25821_fmt *format_by_fourcc(unsigned int fourcc) |
90 | { | |
1a9fc855 | 91 | unsigned int i; |
02b20b0b | 92 | |
1a9fc855 MCC |
93 | if (fourcc == V4L2_PIX_FMT_Y41P || fourcc == V4L2_PIX_FMT_YUV411P) { |
94 | return formats + 1; | |
95 | } | |
bb4c9a74 | 96 | |
1a9fc855 MCC |
97 | for (i = 0; i < ARRAY_SIZE(formats); i++) |
98 | if (formats[i].fourcc == fourcc) | |
99 | return formats + i; | |
02b20b0b | 100 | |
1a9fc855 MCC |
101 | printk(KERN_ERR "%s(0x%08x) NOT FOUND\n", __func__, fourcc); |
102 | return NULL; | |
02b20b0b MCC |
103 | } |
104 | ||
105 | void dump_video_queue(struct cx25821_dev *dev, struct cx25821_dmaqueue *q) | |
106 | { | |
1a9fc855 MCC |
107 | struct cx25821_buffer *buf; |
108 | struct list_head *item; | |
109 | dprintk(1, "%s()\n", __func__); | |
02b20b0b | 110 | |
1a9fc855 MCC |
111 | if (!list_empty(&q->active)) { |
112 | list_for_each(item, &q->active) | |
113 | buf = list_entry(item, struct cx25821_buffer, vb.queue); | |
114 | } | |
02b20b0b | 115 | |
1a9fc855 MCC |
116 | if (!list_empty(&q->queued)) { |
117 | list_for_each(item, &q->queued) | |
118 | buf = list_entry(item, struct cx25821_buffer, vb.queue); | |
119 | } | |
02b20b0b MCC |
120 | |
121 | } | |
122 | ||
1a9fc855 MCC |
123 | void cx25821_video_wakeup(struct cx25821_dev *dev, struct cx25821_dmaqueue *q, |
124 | u32 count) | |
02b20b0b | 125 | { |
1a9fc855 MCC |
126 | struct cx25821_buffer *buf; |
127 | int bc; | |
02b20b0b | 128 | |
1a9fc855 MCC |
129 | for (bc = 0;; bc++) { |
130 | if (list_empty(&q->active)) { | |
131 | dprintk(1, "bc=%d (=0: active empty)\n", bc); | |
132 | break; | |
133 | } | |
bb4c9a74 | 134 | |
1a9fc855 MCC |
135 | buf = |
136 | list_entry(q->active.next, struct cx25821_buffer, vb.queue); | |
bb4c9a74 | 137 | |
1a9fc855 MCC |
138 | /* count comes from the hw and it is 16bit wide -- |
139 | * this trick handles wrap-arounds correctly for | |
140 | * up to 32767 buffers in flight... */ | |
141 | if ((s16) (count - buf->count) < 0) { | |
142 | break; | |
143 | } | |
bb4c9a74 | 144 | |
1a9fc855 MCC |
145 | do_gettimeofday(&buf->vb.ts); |
146 | buf->vb.state = VIDEOBUF_DONE; | |
147 | list_del(&buf->vb.queue); | |
148 | wake_up(&buf->vb.done); | |
149 | } | |
02b20b0b | 150 | |
1a9fc855 MCC |
151 | if (list_empty(&q->active)) |
152 | del_timer(&q->timeout); | |
153 | else | |
154 | mod_timer(&q->timeout, jiffies + BUFFER_TIMEOUT); | |
155 | if (bc != 1) | |
156 | printk(KERN_ERR "%s: %d buffers handled (should be 1)\n", | |
157 | __func__, bc); | |
02b20b0b MCC |
158 | } |
159 | ||
160 | #ifdef TUNER_FLAG | |
161 | int cx25821_set_tvnorm(struct cx25821_dev *dev, v4l2_std_id norm) | |
162 | { | |
1a9fc855 MCC |
163 | dprintk(1, "%s(norm = 0x%08x) name: [%s]\n", __func__, |
164 | (unsigned int)norm, v4l2_norm_to_name(norm)); | |
bb4c9a74 | 165 | |
1a9fc855 | 166 | dev->tvnorm = norm; |
02b20b0b | 167 | |
1a9fc855 MCC |
168 | /* Tell the internal A/V decoder */ |
169 | cx25821_call_all(dev, core, s_std, norm); | |
bb4c9a74 | 170 | |
1a9fc855 | 171 | return 0; |
02b20b0b MCC |
172 | } |
173 | #endif | |
174 | ||
175 | struct video_device *cx25821_vdev_init(struct cx25821_dev *dev, | |
1a9fc855 MCC |
176 | struct pci_dev *pci, |
177 | struct video_device *template, | |
178 | char *type) | |
02b20b0b | 179 | { |
1a9fc855 MCC |
180 | struct video_device *vfd; |
181 | dprintk(1, "%s()\n", __func__); | |
182 | ||
183 | vfd = video_device_alloc(); | |
184 | if (NULL == vfd) | |
185 | return NULL; | |
186 | *vfd = *template; | |
1a9fc855 MCC |
187 | vfd->v4l2_dev = &dev->v4l2_dev; |
188 | vfd->release = video_device_release; | |
189 | snprintf(vfd->name, sizeof(vfd->name), "%s %s (%s)", dev->name, type, | |
190 | cx25821_boards[dev->board].name); | |
63b0d5ad | 191 | video_set_drvdata(vfd, dev); |
1a9fc855 | 192 | return vfd; |
02b20b0b MCC |
193 | } |
194 | ||
195 | /* | |
196 | static int cx25821_ctrl_query(struct v4l2_queryctrl *qctrl) | |
197 | { | |
198 | int i; | |
199 | ||
200 | if (qctrl->id < V4L2_CID_BASE || qctrl->id >= V4L2_CID_LASTP1) | |
bb4c9a74 | 201 | return -EINVAL; |
02b20b0b | 202 | for (i = 0; i < CX25821_CTLS; i++) |
bb4c9a74 MCC |
203 | if (cx25821_ctls[i].v.id == qctrl->id) |
204 | break; | |
02b20b0b | 205 | if (i == CX25821_CTLS) { |
bb4c9a74 MCC |
206 | *qctrl = no_ctl; |
207 | return 0; | |
02b20b0b MCC |
208 | } |
209 | *qctrl = cx25821_ctls[i].v; | |
210 | return 0; | |
211 | } | |
212 | */ | |
213 | ||
214 | // resource management | |
215 | int res_get(struct cx25821_dev *dev, struct cx25821_fh *fh, unsigned int bit) | |
216 | { | |
1a9fc855 MCC |
217 | dprintk(1, "%s()\n", __func__); |
218 | if (fh->resources & bit) | |
219 | /* have it already allocated */ | |
220 | return 1; | |
221 | ||
222 | /* is it free? */ | |
223 | mutex_lock(&dev->lock); | |
224 | if (dev->resources & bit) { | |
225 | /* no, someone else uses it */ | |
226 | mutex_unlock(&dev->lock); | |
227 | return 0; | |
228 | } | |
229 | /* it's free, grab it */ | |
230 | fh->resources |= bit; | |
231 | dev->resources |= bit; | |
232 | dprintk(1, "res: get %d\n", bit); | |
bb4c9a74 | 233 | mutex_unlock(&dev->lock); |
1a9fc855 | 234 | return 1; |
02b20b0b MCC |
235 | } |
236 | ||
237 | int res_check(struct cx25821_fh *fh, unsigned int bit) | |
238 | { | |
1a9fc855 | 239 | return fh->resources & bit; |
02b20b0b MCC |
240 | } |
241 | ||
242 | int res_locked(struct cx25821_dev *dev, unsigned int bit) | |
243 | { | |
1a9fc855 | 244 | return dev->resources & bit; |
02b20b0b MCC |
245 | } |
246 | ||
247 | void res_free(struct cx25821_dev *dev, struct cx25821_fh *fh, unsigned int bits) | |
248 | { | |
1a9fc855 MCC |
249 | BUG_ON((fh->resources & bits) != bits); |
250 | dprintk(1, "%s()\n", __func__); | |
251 | ||
252 | mutex_lock(&dev->lock); | |
253 | fh->resources &= ~bits; | |
254 | dev->resources &= ~bits; | |
255 | dprintk(1, "res: put %d\n", bits); | |
256 | mutex_unlock(&dev->lock); | |
02b20b0b MCC |
257 | } |
258 | ||
259 | int cx25821_video_mux(struct cx25821_dev *dev, unsigned int input) | |
260 | { | |
1a9fc855 MCC |
261 | struct v4l2_routing route; |
262 | memset(&route, 0, sizeof(route)); | |
02b20b0b | 263 | |
1a9fc855 MCC |
264 | dprintk(1, "%s() video_mux: %d [vmux=%d, gpio=0x%x,0x%x,0x%x,0x%x]\n", |
265 | __func__, input, INPUT(input)->vmux, INPUT(input)->gpio0, | |
266 | INPUT(input)->gpio1, INPUT(input)->gpio2, INPUT(input)->gpio3); | |
267 | dev->input = input; | |
02b20b0b | 268 | |
1a9fc855 | 269 | route.input = INPUT(input)->vmux; |
bb4c9a74 | 270 | |
1a9fc855 MCC |
271 | /* Tell the internal A/V decoder */ |
272 | cx25821_call_all(dev, video, s_routing, INPUT(input)->vmux, 0, 0); | |
bb4c9a74 | 273 | |
1a9fc855 | 274 | return 0; |
02b20b0b MCC |
275 | } |
276 | ||
277 | int cx25821_start_video_dma(struct cx25821_dev *dev, | |
1a9fc855 MCC |
278 | struct cx25821_dmaqueue *q, |
279 | struct cx25821_buffer *buf, | |
280 | struct sram_channel *channel) | |
02b20b0b | 281 | { |
1a9fc855 | 282 | int tmp = 0; |
02b20b0b | 283 | |
1a9fc855 MCC |
284 | /* setup fifo + format */ |
285 | cx25821_sram_channel_setup(dev, channel, buf->bpl, buf->risc.dma); | |
02b20b0b | 286 | |
1a9fc855 MCC |
287 | /* reset counter */ |
288 | cx_write(channel->gpcnt_ctl, 3); | |
289 | q->count = 1; | |
02b20b0b | 290 | |
1a9fc855 MCC |
291 | /* enable irq */ |
292 | cx_set(PCI_INT_MSK, cx_read(PCI_INT_MSK) | (1 << channel->i)); | |
293 | cx_set(channel->int_msk, 0x11); | |
02b20b0b | 294 | |
1a9fc855 MCC |
295 | /* start dma */ |
296 | cx_write(channel->dma_ctl, 0x11); /* FIFO and RISC enable */ | |
02b20b0b | 297 | |
1a9fc855 MCC |
298 | /* make sure upstream setting if any is reversed */ |
299 | tmp = cx_read(VID_CH_MODE_SEL); | |
300 | cx_write(VID_CH_MODE_SEL, tmp & 0xFFFFFE00); | |
02b20b0b | 301 | |
1a9fc855 | 302 | return 0; |
02b20b0b MCC |
303 | } |
304 | ||
1a9fc855 MCC |
305 | int cx25821_restart_video_queue(struct cx25821_dev *dev, |
306 | struct cx25821_dmaqueue *q, | |
307 | struct sram_channel *channel) | |
02b20b0b | 308 | { |
1a9fc855 MCC |
309 | struct cx25821_buffer *buf, *prev; |
310 | struct list_head *item; | |
02b20b0b | 311 | |
1a9fc855 MCC |
312 | if (!list_empty(&q->active)) { |
313 | buf = | |
314 | list_entry(q->active.next, struct cx25821_buffer, vb.queue); | |
02b20b0b | 315 | |
1a9fc855 | 316 | cx25821_start_video_dma(dev, q, buf, channel); |
02b20b0b | 317 | |
1a9fc855 MCC |
318 | list_for_each(item, &q->active) { |
319 | buf = list_entry(item, struct cx25821_buffer, vb.queue); | |
320 | buf->count = q->count++; | |
321 | } | |
02b20b0b | 322 | |
1a9fc855 MCC |
323 | mod_timer(&q->timeout, jiffies + BUFFER_TIMEOUT); |
324 | return 0; | |
325 | } | |
02b20b0b | 326 | |
1a9fc855 MCC |
327 | prev = NULL; |
328 | for (;;) { | |
329 | if (list_empty(&q->queued)) | |
330 | return 0; | |
331 | ||
332 | buf = | |
333 | list_entry(q->queued.next, struct cx25821_buffer, vb.queue); | |
334 | ||
335 | if (NULL == prev) { | |
336 | list_move_tail(&buf->vb.queue, &q->active); | |
337 | cx25821_start_video_dma(dev, q, buf, channel); | |
338 | buf->vb.state = VIDEOBUF_ACTIVE; | |
339 | buf->count = q->count++; | |
340 | mod_timer(&q->timeout, jiffies + BUFFER_TIMEOUT); | |
341 | } else if (prev->vb.width == buf->vb.width && | |
342 | prev->vb.height == buf->vb.height && | |
343 | prev->fmt == buf->fmt) { | |
344 | list_move_tail(&buf->vb.queue, &q->active); | |
345 | buf->vb.state = VIDEOBUF_ACTIVE; | |
346 | buf->count = q->count++; | |
347 | prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma); | |
348 | prev->risc.jmp[2] = cpu_to_le32(0); /* Bits 63 - 32 */ | |
349 | } else { | |
350 | return 0; | |
351 | } | |
352 | prev = buf; | |
bb4c9a74 | 353 | } |
02b20b0b MCC |
354 | } |
355 | ||
356 | void cx25821_vid_timeout(unsigned long data) | |
357 | { | |
1a9fc855 MCC |
358 | struct cx25821_data *timeout_data = (struct cx25821_data *)data; |
359 | struct cx25821_dev *dev = timeout_data->dev; | |
360 | struct sram_channel *channel = timeout_data->channel; | |
361 | struct cx25821_dmaqueue *q = &dev->vidq[channel->i]; | |
362 | struct cx25821_buffer *buf; | |
363 | unsigned long flags; | |
364 | ||
365 | //cx25821_sram_channel_dump(dev, channel); | |
366 | cx_clear(channel->dma_ctl, 0x11); | |
367 | ||
368 | spin_lock_irqsave(&dev->slock, flags); | |
369 | while (!list_empty(&q->active)) { | |
370 | buf = | |
371 | list_entry(q->active.next, struct cx25821_buffer, vb.queue); | |
372 | list_del(&buf->vb.queue); | |
02b20b0b | 373 | |
1a9fc855 MCC |
374 | buf->vb.state = VIDEOBUF_ERROR; |
375 | wake_up(&buf->vb.done); | |
376 | } | |
377 | ||
378 | cx25821_restart_video_queue(dev, q, channel); | |
379 | spin_unlock_irqrestore(&dev->slock, flags); | |
02b20b0b MCC |
380 | } |
381 | ||
382 | int cx25821_video_irq(struct cx25821_dev *dev, int chan_num, u32 status) | |
383 | { | |
1a9fc855 MCC |
384 | u32 count = 0; |
385 | int handled = 0; | |
386 | u32 mask; | |
387 | struct sram_channel *channel = &dev->sram_channels[chan_num]; | |
388 | ||
389 | mask = cx_read(channel->int_msk); | |
390 | if (0 == (status & mask)) | |
391 | return handled; | |
392 | ||
393 | cx_write(channel->int_stat, status); | |
394 | ||
395 | /* risc op code error */ | |
396 | if (status & (1 << 16)) { | |
397 | printk(KERN_WARNING "%s, %s: video risc op code error\n", | |
398 | dev->name, channel->name); | |
399 | cx_clear(channel->dma_ctl, 0x11); | |
400 | cx25821_sram_channel_dump(dev, channel); | |
401 | } | |
02b20b0b | 402 | |
1a9fc855 MCC |
403 | /* risc1 y */ |
404 | if (status & FLD_VID_DST_RISC1) { | |
405 | spin_lock(&dev->slock); | |
406 | count = cx_read(channel->gpcnt); | |
407 | cx25821_video_wakeup(dev, &dev->vidq[channel->i], count); | |
408 | spin_unlock(&dev->slock); | |
409 | handled++; | |
410 | } | |
02b20b0b | 411 | |
1a9fc855 MCC |
412 | /* risc2 y */ |
413 | if (status & 0x10) { | |
414 | dprintk(2, "stopper video\n"); | |
415 | spin_lock(&dev->slock); | |
416 | cx25821_restart_video_queue(dev, &dev->vidq[channel->i], | |
417 | channel); | |
418 | spin_unlock(&dev->slock); | |
419 | handled++; | |
420 | } | |
421 | return handled; | |
02b20b0b MCC |
422 | } |
423 | ||
424 | void cx25821_videoioctl_unregister(struct cx25821_dev *dev) | |
425 | { | |
1a9fc855 | 426 | if (dev->ioctl_dev) { |
f0813b4c | 427 | if (video_is_registered(dev->ioctl_dev)) |
1a9fc855 MCC |
428 | video_unregister_device(dev->ioctl_dev); |
429 | else | |
430 | video_device_release(dev->ioctl_dev); | |
02b20b0b | 431 | |
1a9fc855 MCC |
432 | dev->ioctl_dev = NULL; |
433 | } | |
02b20b0b | 434 | } |
bb4c9a74 | 435 | |
02b20b0b MCC |
436 | void cx25821_video_unregister(struct cx25821_dev *dev, int chan_num) |
437 | { | |
1a9fc855 | 438 | cx_clear(PCI_INT_MSK, 1); |
02b20b0b | 439 | |
1a9fc855 | 440 | if (dev->video_dev[chan_num]) { |
f0813b4c | 441 | if (video_is_registered(dev->video_dev[chan_num])) |
1a9fc855 MCC |
442 | video_unregister_device(dev->video_dev[chan_num]); |
443 | else | |
444 | video_device_release(dev->video_dev[chan_num]); | |
02b20b0b | 445 | |
1a9fc855 | 446 | dev->video_dev[chan_num] = NULL; |
02b20b0b | 447 | |
1a9fc855 | 448 | btcx_riscmem_free(dev->pci, &dev->vidq[chan_num].stopper); |
02b20b0b | 449 | |
1a9fc855 MCC |
450 | printk(KERN_WARNING "device %d released!\n", chan_num); |
451 | } | |
02b20b0b MCC |
452 | |
453 | } | |
454 | ||
1a9fc855 MCC |
455 | int cx25821_video_register(struct cx25821_dev *dev, int chan_num, |
456 | struct video_device *video_template) | |
02b20b0b | 457 | { |
1a9fc855 | 458 | int err; |
02b20b0b | 459 | |
1a9fc855 | 460 | spin_lock_init(&dev->slock); |
02b20b0b | 461 | |
1a9fc855 | 462 | //printk(KERN_WARNING "Channel %d\n", chan_num); |
02b20b0b MCC |
463 | |
464 | #ifdef TUNER_FLAG | |
1a9fc855 | 465 | dev->tvnorm = video_template->current_norm; |
02b20b0b MCC |
466 | #endif |
467 | ||
1a9fc855 MCC |
468 | /* init video dma queues */ |
469 | dev->timeout_data[chan_num].dev = dev; | |
470 | dev->timeout_data[chan_num].channel = &dev->sram_channels[chan_num]; | |
471 | INIT_LIST_HEAD(&dev->vidq[chan_num].active); | |
472 | INIT_LIST_HEAD(&dev->vidq[chan_num].queued); | |
473 | dev->vidq[chan_num].timeout.function = cx25821_vid_timeout; | |
474 | dev->vidq[chan_num].timeout.data = | |
475 | (unsigned long)&dev->timeout_data[chan_num]; | |
476 | init_timer(&dev->vidq[chan_num].timeout); | |
477 | cx25821_risc_stopper(dev->pci, &dev->vidq[chan_num].stopper, | |
478 | dev->sram_channels[chan_num].dma_ctl, 0x11, 0); | |
479 | ||
480 | /* register v4l devices */ | |
481 | dev->video_dev[chan_num] = | |
482 | cx25821_vdev_init(dev, dev->pci, video_template, "video"); | |
483 | err = | |
484 | video_register_device(dev->video_dev[chan_num], VFL_TYPE_GRABBER, | |
485 | video_nr[dev->nr]); | |
486 | ||
487 | if (err < 0) { | |
488 | goto fail_unreg; | |
489 | } | |
490 | //set PCI interrupt | |
491 | cx_set(PCI_INT_MSK, 0xff); | |
02b20b0b | 492 | |
1a9fc855 MCC |
493 | /* initial device configuration */ |
494 | mutex_lock(&dev->lock); | |
02b20b0b | 495 | #ifdef TUNER_FLAG |
1a9fc855 | 496 | cx25821_set_tvnorm(dev, dev->tvnorm); |
02b20b0b | 497 | #endif |
1a9fc855 | 498 | mutex_unlock(&dev->lock); |
02b20b0b | 499 | |
1a9fc855 | 500 | init_controls(dev, chan_num); |
02b20b0b | 501 | |
1a9fc855 | 502 | return 0; |
02b20b0b | 503 | |
1a9fc855 MCC |
504 | fail_unreg: |
505 | cx25821_video_unregister(dev, chan_num); | |
506 | return err; | |
02b20b0b MCC |
507 | } |
508 | ||
1a9fc855 MCC |
509 | int buffer_setup(struct videobuf_queue *q, unsigned int *count, |
510 | unsigned int *size) | |
02b20b0b | 511 | { |
1a9fc855 | 512 | struct cx25821_fh *fh = q->priv_data; |
02b20b0b | 513 | |
1a9fc855 | 514 | *size = fh->fmt->depth * fh->width * fh->height >> 3; |
02b20b0b | 515 | |
1a9fc855 MCC |
516 | if (0 == *count) |
517 | *count = 32; | |
02b20b0b | 518 | |
1a9fc855 MCC |
519 | while (*size * *count > vid_limit * 1024 * 1024) |
520 | (*count)--; | |
02b20b0b | 521 | |
1a9fc855 | 522 | return 0; |
02b20b0b MCC |
523 | } |
524 | ||
1a9fc855 MCC |
525 | int buffer_prepare(struct videobuf_queue *q, struct videobuf_buffer *vb, |
526 | enum v4l2_field field) | |
02b20b0b | 527 | { |
1a9fc855 MCC |
528 | struct cx25821_fh *fh = q->priv_data; |
529 | struct cx25821_dev *dev = fh->dev; | |
530 | struct cx25821_buffer *buf = | |
531 | container_of(vb, struct cx25821_buffer, vb); | |
532 | int rc, init_buffer = 0; | |
533 | u32 line0_offset, line1_offset; | |
534 | struct videobuf_dmabuf *dma = videobuf_to_dma(&buf->vb); | |
535 | int bpl_local = LINE_SIZE_D1; | |
536 | int channel_opened = 0; | |
537 | ||
538 | BUG_ON(NULL == fh->fmt); | |
539 | if (fh->width < 48 || fh->width > 720 || | |
540 | fh->height < 32 || fh->height > 576) | |
541 | return -EINVAL; | |
bb4c9a74 | 542 | |
1a9fc855 | 543 | buf->vb.size = (fh->width * fh->height * fh->fmt->depth) >> 3; |
bb4c9a74 | 544 | |
1a9fc855 MCC |
545 | if (0 != buf->vb.baddr && buf->vb.bsize < buf->vb.size) |
546 | return -EINVAL; | |
bb4c9a74 | 547 | |
1a9fc855 MCC |
548 | if (buf->fmt != fh->fmt || |
549 | buf->vb.width != fh->width || | |
550 | buf->vb.height != fh->height || buf->vb.field != field) { | |
551 | buf->fmt = fh->fmt; | |
552 | buf->vb.width = fh->width; | |
553 | buf->vb.height = fh->height; | |
554 | buf->vb.field = field; | |
555 | init_buffer = 1; | |
bb4c9a74 | 556 | } |
1a9fc855 MCC |
557 | |
558 | if (VIDEOBUF_NEEDS_INIT == buf->vb.state) { | |
559 | init_buffer = 1; | |
560 | rc = videobuf_iolock(q, &buf->vb, NULL); | |
561 | if (0 != rc) { | |
562 | printk(KERN_DEBUG "videobuf_iolock failed!\n"); | |
563 | goto fail; | |
bb4c9a74 | 564 | } |
bb4c9a74 MCC |
565 | } |
566 | ||
1a9fc855 MCC |
567 | dprintk(1, "init_buffer=%d\n", init_buffer); |
568 | ||
569 | if (init_buffer) { | |
570 | ||
571 | channel_opened = dev->channel_opened; | |
572 | channel_opened = (channel_opened < 0 | |
573 | || channel_opened > 7) ? 7 : channel_opened; | |
574 | ||
575 | if (dev->pixel_formats[channel_opened] == PIXEL_FRMT_411) | |
576 | buf->bpl = (buf->fmt->depth * buf->vb.width) >> 3; | |
577 | else | |
578 | buf->bpl = (buf->fmt->depth >> 3) * (buf->vb.width); | |
579 | ||
580 | if (dev->pixel_formats[channel_opened] == PIXEL_FRMT_411) { | |
581 | bpl_local = buf->bpl; | |
582 | } else { | |
583 | bpl_local = buf->bpl; //Default | |
584 | ||
585 | if (channel_opened >= 0 && channel_opened <= 7) { | |
586 | if (dev->use_cif_resolution[channel_opened]) { | |
587 | if (dev->tvnorm & V4L2_STD_PAL_BG | |
588 | || dev->tvnorm & V4L2_STD_PAL_DK) | |
589 | bpl_local = 352 << 1; | |
590 | else | |
591 | bpl_local = | |
592 | dev-> | |
593 | cif_width[channel_opened] << | |
594 | 1; | |
595 | } | |
596 | } | |
597 | } | |
bb4c9a74 | 598 | |
1a9fc855 MCC |
599 | switch (buf->vb.field) { |
600 | case V4L2_FIELD_TOP: | |
601 | cx25821_risc_buffer(dev->pci, &buf->risc, | |
602 | dma->sglist, 0, UNSET, | |
603 | buf->bpl, 0, buf->vb.height); | |
604 | break; | |
605 | case V4L2_FIELD_BOTTOM: | |
606 | cx25821_risc_buffer(dev->pci, &buf->risc, | |
607 | dma->sglist, UNSET, 0, | |
608 | buf->bpl, 0, buf->vb.height); | |
609 | break; | |
610 | case V4L2_FIELD_INTERLACED: | |
611 | /* All other formats are top field first */ | |
612 | line0_offset = 0; | |
613 | line1_offset = buf->bpl; | |
614 | dprintk(1, "top field first\n"); | |
615 | ||
616 | cx25821_risc_buffer(dev->pci, &buf->risc, | |
617 | dma->sglist, line0_offset, | |
618 | bpl_local, bpl_local, bpl_local, | |
619 | buf->vb.height >> 1); | |
620 | break; | |
621 | case V4L2_FIELD_SEQ_TB: | |
622 | cx25821_risc_buffer(dev->pci, &buf->risc, | |
623 | dma->sglist, | |
624 | 0, buf->bpl * (buf->vb.height >> 1), | |
625 | buf->bpl, 0, buf->vb.height >> 1); | |
626 | break; | |
627 | case V4L2_FIELD_SEQ_BT: | |
628 | cx25821_risc_buffer(dev->pci, &buf->risc, | |
629 | dma->sglist, | |
630 | buf->bpl * (buf->vb.height >> 1), 0, | |
631 | buf->bpl, 0, buf->vb.height >> 1); | |
632 | break; | |
633 | default: | |
634 | BUG(); | |
635 | } | |
bb4c9a74 | 636 | } |
02b20b0b | 637 | |
1a9fc855 MCC |
638 | dprintk(2, "[%p/%d] buffer_prep - %dx%d %dbpp \"%s\" - dma=0x%08lx\n", |
639 | buf, buf->vb.i, fh->width, fh->height, fh->fmt->depth, | |
640 | fh->fmt->name, (unsigned long)buf->risc.dma); | |
02b20b0b | 641 | |
1a9fc855 | 642 | buf->vb.state = VIDEOBUF_PREPARED; |
02b20b0b | 643 | |
1a9fc855 | 644 | return 0; |
02b20b0b | 645 | |
1a9fc855 MCC |
646 | fail: |
647 | cx25821_free_buffer(q, buf); | |
648 | return rc; | |
02b20b0b MCC |
649 | } |
650 | ||
02b20b0b MCC |
651 | void buffer_release(struct videobuf_queue *q, struct videobuf_buffer *vb) |
652 | { | |
1a9fc855 MCC |
653 | struct cx25821_buffer *buf = |
654 | container_of(vb, struct cx25821_buffer, vb); | |
02b20b0b | 655 | |
1a9fc855 | 656 | cx25821_free_buffer(q, buf); |
02b20b0b MCC |
657 | } |
658 | ||
02b20b0b MCC |
659 | struct videobuf_queue *get_queue(struct cx25821_fh *fh) |
660 | { | |
1a9fc855 MCC |
661 | switch (fh->type) { |
662 | case V4L2_BUF_TYPE_VIDEO_CAPTURE: | |
663 | return &fh->vidq; | |
664 | default: | |
665 | BUG(); | |
666 | return NULL; | |
667 | } | |
02b20b0b MCC |
668 | } |
669 | ||
670 | int get_resource(struct cx25821_fh *fh, int resource) | |
671 | { | |
1a9fc855 MCC |
672 | switch (fh->type) { |
673 | case V4L2_BUF_TYPE_VIDEO_CAPTURE: | |
674 | return resource; | |
675 | default: | |
676 | BUG(); | |
677 | return 0; | |
678 | } | |
02b20b0b MCC |
679 | } |
680 | ||
02b20b0b MCC |
681 | int video_mmap(struct file *file, struct vm_area_struct *vma) |
682 | { | |
1a9fc855 | 683 | struct cx25821_fh *fh = file->private_data; |
02b20b0b | 684 | |
1a9fc855 | 685 | return videobuf_mmap_mapper(get_queue(fh), vma); |
02b20b0b MCC |
686 | } |
687 | ||
688 | /* VIDEO IOCTLS */ | |
689 | int vidioc_g_fmt_vid_cap(struct file *file, void *priv, struct v4l2_format *f) | |
690 | { | |
1a9fc855 | 691 | struct cx25821_fh *fh = priv; |
02b20b0b | 692 | |
1a9fc855 MCC |
693 | f->fmt.pix.width = fh->width; |
694 | f->fmt.pix.height = fh->height; | |
695 | f->fmt.pix.field = fh->vidq.field; | |
696 | f->fmt.pix.pixelformat = fh->fmt->fourcc; | |
697 | f->fmt.pix.bytesperline = (f->fmt.pix.width * fh->fmt->depth) >> 3; | |
698 | f->fmt.pix.sizeimage = f->fmt.pix.height * f->fmt.pix.bytesperline; | |
02b20b0b | 699 | |
1a9fc855 | 700 | return 0; |
02b20b0b MCC |
701 | } |
702 | ||
703 | int vidioc_try_fmt_vid_cap(struct file *file, void *priv, struct v4l2_format *f) | |
704 | { | |
1a9fc855 MCC |
705 | struct cx25821_fmt *fmt; |
706 | enum v4l2_field field; | |
707 | unsigned int maxw, maxh; | |
02b20b0b | 708 | |
1a9fc855 MCC |
709 | fmt = format_by_fourcc(f->fmt.pix.pixelformat); |
710 | if (NULL == fmt) | |
711 | return -EINVAL; | |
02b20b0b | 712 | |
1a9fc855 MCC |
713 | field = f->fmt.pix.field; |
714 | maxw = 720; | |
715 | maxh = 576; | |
02b20b0b | 716 | |
1a9fc855 MCC |
717 | if (V4L2_FIELD_ANY == field) { |
718 | field = (f->fmt.pix.height > maxh / 2) | |
719 | ? V4L2_FIELD_INTERLACED : V4L2_FIELD_TOP; | |
720 | } | |
02b20b0b | 721 | |
1a9fc855 MCC |
722 | switch (field) { |
723 | case V4L2_FIELD_TOP: | |
724 | case V4L2_FIELD_BOTTOM: | |
725 | maxh = maxh / 2; | |
726 | break; | |
727 | case V4L2_FIELD_INTERLACED: | |
728 | break; | |
729 | default: | |
730 | return -EINVAL; | |
731 | } | |
02b20b0b | 732 | |
1a9fc855 MCC |
733 | f->fmt.pix.field = field; |
734 | if (f->fmt.pix.height < 32) | |
735 | f->fmt.pix.height = 32; | |
736 | if (f->fmt.pix.height > maxh) | |
737 | f->fmt.pix.height = maxh; | |
738 | if (f->fmt.pix.width < 48) | |
739 | f->fmt.pix.width = 48; | |
740 | if (f->fmt.pix.width > maxw) | |
741 | f->fmt.pix.width = maxw; | |
742 | f->fmt.pix.width &= ~0x03; | |
743 | f->fmt.pix.bytesperline = (f->fmt.pix.width * fmt->depth) >> 3; | |
744 | f->fmt.pix.sizeimage = f->fmt.pix.height * f->fmt.pix.bytesperline; | |
02b20b0b | 745 | |
1a9fc855 | 746 | return 0; |
02b20b0b MCC |
747 | } |
748 | ||
1a9fc855 | 749 | int vidioc_querycap(struct file *file, void *priv, struct v4l2_capability *cap) |
02b20b0b | 750 | { |
1a9fc855 MCC |
751 | struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev; |
752 | ||
753 | strcpy(cap->driver, "cx25821"); | |
754 | strlcpy(cap->card, cx25821_boards[dev->board].name, sizeof(cap->card)); | |
755 | sprintf(cap->bus_info, "PCIe:%s", pci_name(dev->pci)); | |
756 | cap->version = CX25821_VERSION_CODE; | |
757 | cap->capabilities = | |
758 | V4L2_CAP_VIDEO_CAPTURE | V4L2_CAP_READWRITE | V4L2_CAP_STREAMING; | |
759 | if (UNSET != dev->tuner_type) | |
760 | cap->capabilities |= V4L2_CAP_TUNER; | |
761 | return 0; | |
02b20b0b MCC |
762 | } |
763 | ||
1a9fc855 MCC |
764 | int vidioc_enum_fmt_vid_cap(struct file *file, void *priv, |
765 | struct v4l2_fmtdesc *f) | |
02b20b0b | 766 | { |
1a9fc855 MCC |
767 | if (unlikely(f->index >= ARRAY_SIZE(formats))) |
768 | return -EINVAL; | |
02b20b0b | 769 | |
1a9fc855 MCC |
770 | strlcpy(f->description, formats[f->index].name, sizeof(f->description)); |
771 | f->pixelformat = formats[f->index].fourcc; | |
02b20b0b | 772 | |
1a9fc855 | 773 | return 0; |
02b20b0b MCC |
774 | } |
775 | ||
776 | #ifdef CONFIG_VIDEO_V4L1_COMPAT | |
777 | int vidiocgmbuf(struct file *file, void *priv, struct video_mbuf *mbuf) | |
778 | { | |
1a9fc855 MCC |
779 | struct cx25821_fh *fh = priv; |
780 | struct videobuf_queue *q; | |
781 | struct v4l2_requestbuffers req; | |
782 | unsigned int i; | |
783 | int err; | |
02b20b0b | 784 | |
1a9fc855 MCC |
785 | q = get_queue(fh); |
786 | memset(&req, 0, sizeof(req)); | |
787 | req.type = q->type; | |
788 | req.count = 8; | |
789 | req.memory = V4L2_MEMORY_MMAP; | |
790 | err = videobuf_reqbufs(q, &req); | |
791 | if (err < 0) | |
792 | return err; | |
793 | ||
794 | mbuf->frames = req.count; | |
795 | mbuf->size = 0; | |
796 | for (i = 0; i < mbuf->frames; i++) { | |
797 | mbuf->offsets[i] = q->bufs[i]->boff; | |
798 | mbuf->size += q->bufs[i]->bsize; | |
799 | } | |
800 | return 0; | |
02b20b0b MCC |
801 | } |
802 | #endif | |
803 | ||
804 | int vidioc_reqbufs(struct file *file, void *priv, struct v4l2_requestbuffers *p) | |
805 | { | |
1a9fc855 MCC |
806 | struct cx25821_fh *fh = priv; |
807 | return videobuf_reqbufs(get_queue(fh), p); | |
02b20b0b MCC |
808 | } |
809 | ||
810 | int vidioc_querybuf(struct file *file, void *priv, struct v4l2_buffer *p) | |
811 | { | |
1a9fc855 MCC |
812 | struct cx25821_fh *fh = priv; |
813 | return videobuf_querybuf(get_queue(fh), p); | |
02b20b0b MCC |
814 | } |
815 | ||
816 | int vidioc_qbuf(struct file *file, void *priv, struct v4l2_buffer *p) | |
817 | { | |
1a9fc855 MCC |
818 | struct cx25821_fh *fh = priv; |
819 | return videobuf_qbuf(get_queue(fh), p); | |
02b20b0b MCC |
820 | } |
821 | ||
822 | int vidioc_g_priority(struct file *file, void *f, enum v4l2_priority *p) | |
823 | { | |
824 | struct cx25821_dev *dev = ((struct cx25821_fh *)f)->dev; | |
825 | ||
826 | *p = v4l2_prio_max(&dev->prio); | |
827 | ||
828 | return 0; | |
829 | } | |
830 | ||
1a9fc855 | 831 | int vidioc_s_priority(struct file *file, void *f, enum v4l2_priority prio) |
02b20b0b MCC |
832 | { |
833 | struct cx25821_fh *fh = f; | |
834 | struct cx25821_dev *dev = ((struct cx25821_fh *)f)->dev; | |
835 | ||
836 | return v4l2_prio_change(&dev->prio, &fh->prio, prio); | |
837 | } | |
838 | ||
02b20b0b | 839 | #ifdef TUNER_FLAG |
1a9fc855 | 840 | int vidioc_s_std(struct file *file, void *priv, v4l2_std_id * tvnorms) |
02b20b0b | 841 | { |
1a9fc855 MCC |
842 | struct cx25821_fh *fh = priv; |
843 | struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev; | |
844 | int err; | |
02b20b0b | 845 | |
1a9fc855 | 846 | dprintk(1, "%s()\n", __func__); |
bb4c9a74 | 847 | |
1a9fc855 MCC |
848 | if (fh) { |
849 | err = v4l2_prio_check(&dev->prio, &fh->prio); | |
850 | if (0 != err) | |
851 | return err; | |
852 | } | |
02b20b0b | 853 | |
1a9fc855 MCC |
854 | if (dev->tvnorm == *tvnorms) { |
855 | return 0; | |
856 | } | |
02b20b0b | 857 | |
1a9fc855 MCC |
858 | mutex_lock(&dev->lock); |
859 | cx25821_set_tvnorm(dev, *tvnorms); | |
860 | mutex_unlock(&dev->lock); | |
02b20b0b | 861 | |
1a9fc855 | 862 | medusa_set_videostandard(dev); |
02b20b0b | 863 | |
1a9fc855 | 864 | return 0; |
02b20b0b MCC |
865 | } |
866 | #endif | |
867 | ||
868 | int cx25821_enum_input(struct cx25821_dev *dev, struct v4l2_input *i) | |
869 | { | |
1a9fc855 MCC |
870 | static const char *iname[] = { |
871 | [CX25821_VMUX_COMPOSITE] = "Composite", | |
872 | [CX25821_VMUX_SVIDEO] = "S-Video", | |
873 | [CX25821_VMUX_DEBUG] = "for debug only", | |
874 | }; | |
875 | unsigned int n; | |
876 | dprintk(1, "%s()\n", __func__); | |
02b20b0b | 877 | |
1a9fc855 MCC |
878 | n = i->index; |
879 | if (n > 2) | |
880 | return -EINVAL; | |
881 | ||
882 | if (0 == INPUT(n)->type) | |
883 | return -EINVAL; | |
02b20b0b | 884 | |
1a9fc855 MCC |
885 | memset(i, 0, sizeof(*i)); |
886 | i->index = n; | |
887 | i->type = V4L2_INPUT_TYPE_CAMERA; | |
888 | strcpy(i->name, iname[INPUT(n)->type]); | |
02b20b0b | 889 | |
1a9fc855 MCC |
890 | i->std = CX25821_NORMS; |
891 | return 0; | |
02b20b0b MCC |
892 | } |
893 | ||
894 | int vidioc_enum_input(struct file *file, void *priv, struct v4l2_input *i) | |
895 | { | |
1a9fc855 MCC |
896 | struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev; |
897 | dprintk(1, "%s()\n", __func__); | |
898 | return cx25821_enum_input(dev, i); | |
02b20b0b MCC |
899 | } |
900 | ||
901 | int vidioc_g_input(struct file *file, void *priv, unsigned int *i) | |
bb4c9a74 | 902 | { |
1a9fc855 | 903 | struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev; |
bb4c9a74 | 904 | |
1a9fc855 MCC |
905 | *i = dev->input; |
906 | dprintk(1, "%s() returns %d\n", __func__, *i); | |
907 | return 0; | |
02b20b0b MCC |
908 | } |
909 | ||
02b20b0b MCC |
910 | int vidioc_s_input(struct file *file, void *priv, unsigned int i) |
911 | { | |
1a9fc855 MCC |
912 | struct cx25821_fh *fh = priv; |
913 | struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev; | |
914 | int err; | |
02b20b0b | 915 | |
1a9fc855 | 916 | dprintk(1, "%s(%d)\n", __func__, i); |
02b20b0b | 917 | |
1a9fc855 MCC |
918 | if (fh) { |
919 | err = v4l2_prio_check(&dev->prio, &fh->prio); | |
920 | if (0 != err) | |
921 | return err; | |
922 | } | |
02b20b0b | 923 | |
1a9fc855 MCC |
924 | if (i > 2) { |
925 | dprintk(1, "%s() -EINVAL\n", __func__); | |
926 | return -EINVAL; | |
927 | } | |
02b20b0b | 928 | |
1a9fc855 MCC |
929 | mutex_lock(&dev->lock); |
930 | cx25821_video_mux(dev, i); | |
931 | mutex_unlock(&dev->lock); | |
932 | return 0; | |
02b20b0b MCC |
933 | } |
934 | ||
935 | #ifdef TUNER_FLAG | |
936 | int vidioc_g_frequency(struct file *file, void *priv, struct v4l2_frequency *f) | |
937 | { | |
1a9fc855 MCC |
938 | struct cx25821_fh *fh = priv; |
939 | struct cx25821_dev *dev = fh->dev; | |
02b20b0b | 940 | |
1a9fc855 | 941 | f->frequency = dev->freq; |
02b20b0b | 942 | |
1a9fc855 | 943 | cx25821_call_all(dev, tuner, g_frequency, f); |
02b20b0b | 944 | |
1a9fc855 | 945 | return 0; |
02b20b0b MCC |
946 | } |
947 | ||
948 | int cx25821_set_freq(struct cx25821_dev *dev, struct v4l2_frequency *f) | |
949 | { | |
1a9fc855 MCC |
950 | mutex_lock(&dev->lock); |
951 | dev->freq = f->frequency; | |
02b20b0b | 952 | |
1a9fc855 | 953 | cx25821_call_all(dev, tuner, s_frequency, f); |
02b20b0b | 954 | |
1a9fc855 MCC |
955 | /* When changing channels it is required to reset TVAUDIO */ |
956 | msleep(10); | |
02b20b0b | 957 | |
1a9fc855 | 958 | mutex_unlock(&dev->lock); |
02b20b0b | 959 | |
1a9fc855 | 960 | return 0; |
02b20b0b MCC |
961 | } |
962 | ||
963 | int vidioc_s_frequency(struct file *file, void *priv, struct v4l2_frequency *f) | |
964 | { | |
1a9fc855 MCC |
965 | struct cx25821_fh *fh = priv; |
966 | struct cx25821_dev *dev = fh->dev; | |
967 | int err; | |
02b20b0b | 968 | |
1a9fc855 MCC |
969 | if (fh) { |
970 | err = v4l2_prio_check(&dev->prio, &fh->prio); | |
971 | if (0 != err) | |
972 | return err; | |
973 | } | |
974 | ||
975 | return cx25821_set_freq(dev, f); | |
02b20b0b MCC |
976 | } |
977 | #endif | |
978 | ||
979 | #ifdef CONFIG_VIDEO_ADV_DEBUG | |
980 | int vidioc_g_register(struct file *file, void *fh, | |
1a9fc855 | 981 | struct v4l2_dbg_register *reg) |
02b20b0b | 982 | { |
1a9fc855 | 983 | struct cx25821_dev *dev = ((struct cx25821_fh *)fh)->dev; |
02b20b0b | 984 | |
1a9fc855 MCC |
985 | if (!v4l2_chip_match_host(®->match)) |
986 | return -EINVAL; | |
02b20b0b | 987 | |
1a9fc855 | 988 | cx25821_call_all(dev, core, g_register, reg); |
02b20b0b | 989 | |
1a9fc855 | 990 | return 0; |
02b20b0b MCC |
991 | } |
992 | ||
993 | int vidioc_s_register(struct file *file, void *fh, | |
1a9fc855 | 994 | struct v4l2_dbg_register *reg) |
02b20b0b | 995 | { |
1a9fc855 | 996 | struct cx25821_dev *dev = ((struct cx25821_fh *)fh)->dev; |
02b20b0b | 997 | |
1a9fc855 MCC |
998 | if (!v4l2_chip_match_host(®->match)) |
999 | return -EINVAL; | |
02b20b0b | 1000 | |
1a9fc855 | 1001 | cx25821_call_all(dev, core, s_register, reg); |
02b20b0b | 1002 | |
1a9fc855 | 1003 | return 0; |
02b20b0b MCC |
1004 | } |
1005 | ||
1006 | #endif | |
1007 | ||
02b20b0b MCC |
1008 | #ifdef TUNER_FLAG |
1009 | int vidioc_g_tuner(struct file *file, void *priv, struct v4l2_tuner *t) | |
1010 | { | |
1a9fc855 | 1011 | struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev; |
02b20b0b | 1012 | |
1a9fc855 MCC |
1013 | if (unlikely(UNSET == dev->tuner_type)) |
1014 | return -EINVAL; | |
1015 | if (0 != t->index) | |
1016 | return -EINVAL; | |
02b20b0b | 1017 | |
1a9fc855 MCC |
1018 | strcpy(t->name, "Television"); |
1019 | t->type = V4L2_TUNER_ANALOG_TV; | |
1020 | t->capability = V4L2_TUNER_CAP_NORM; | |
1021 | t->rangehigh = 0xffffffffUL; | |
02b20b0b | 1022 | |
1a9fc855 MCC |
1023 | t->signal = 0xffff; /* LOCKED */ |
1024 | return 0; | |
02b20b0b MCC |
1025 | } |
1026 | ||
1a9fc855 | 1027 | int vidioc_s_tuner(struct file *file, void *priv, struct v4l2_tuner *t) |
02b20b0b | 1028 | { |
1a9fc855 MCC |
1029 | struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev; |
1030 | struct cx25821_fh *fh = priv; | |
1031 | int err; | |
02b20b0b | 1032 | |
1a9fc855 MCC |
1033 | if (fh) { |
1034 | err = v4l2_prio_check(&dev->prio, &fh->prio); | |
1035 | if (0 != err) | |
1036 | return err; | |
1037 | } | |
02b20b0b | 1038 | |
1a9fc855 MCC |
1039 | dprintk(1, "%s()\n", __func__); |
1040 | if (UNSET == dev->tuner_type) | |
1041 | return -EINVAL; | |
1042 | if (0 != t->index) | |
1043 | return -EINVAL; | |
1044 | ||
1045 | return 0; | |
02b20b0b MCC |
1046 | } |
1047 | ||
1048 | #endif | |
1049 | // ****************************************************************************************** | |
1050 | static const struct v4l2_queryctrl no_ctl = { | |
1a9fc855 | 1051 | .name = "42", |
02b20b0b MCC |
1052 | .flags = V4L2_CTRL_FLAG_DISABLED, |
1053 | }; | |
1054 | ||
1055 | static struct v4l2_queryctrl cx25821_ctls[] = { | |
1056 | /* --- video --- */ | |
1057 | { | |
1a9fc855 MCC |
1058 | .id = V4L2_CID_BRIGHTNESS, |
1059 | .name = "Brightness", | |
1060 | .minimum = 0, | |
1061 | .maximum = 10000, | |
1062 | .step = 1, | |
1063 | .default_value = 6200, | |
1064 | .type = V4L2_CTRL_TYPE_INTEGER, | |
1065 | }, { | |
1066 | .id = V4L2_CID_CONTRAST, | |
1067 | .name = "Contrast", | |
1068 | .minimum = 0, | |
1069 | .maximum = 10000, | |
1070 | .step = 1, | |
1071 | .default_value = 5000, | |
1072 | .type = V4L2_CTRL_TYPE_INTEGER, | |
1073 | }, { | |
1074 | .id = V4L2_CID_SATURATION, | |
1075 | .name = "Saturation", | |
1076 | .minimum = 0, | |
1077 | .maximum = 10000, | |
1078 | .step = 1, | |
1079 | .default_value = 5000, | |
1080 | .type = V4L2_CTRL_TYPE_INTEGER, | |
1081 | }, { | |
1082 | .id = V4L2_CID_HUE, | |
1083 | .name = "Hue", | |
1084 | .minimum = 0, | |
1085 | .maximum = 10000, | |
1086 | .step = 1, | |
1087 | .default_value = 5000, | |
1088 | .type = V4L2_CTRL_TYPE_INTEGER, | |
1089 | } | |
02b20b0b MCC |
1090 | }; |
1091 | static const int CX25821_CTLS = ARRAY_SIZE(cx25821_ctls); | |
1092 | ||
1093 | static int cx25821_ctrl_query(struct v4l2_queryctrl *qctrl) | |
1094 | { | |
1095 | int i; | |
1096 | ||
1a9fc855 | 1097 | if (qctrl->id < V4L2_CID_BASE || qctrl->id >= V4L2_CID_LASTP1) |
02b20b0b MCC |
1098 | return -EINVAL; |
1099 | for (i = 0; i < CX25821_CTLS; i++) | |
1100 | if (cx25821_ctls[i].id == qctrl->id) | |
1101 | break; | |
1102 | if (i == CX25821_CTLS) { | |
1103 | *qctrl = no_ctl; | |
1104 | return 0; | |
1105 | } | |
1106 | *qctrl = cx25821_ctls[i]; | |
1107 | return 0; | |
1108 | } | |
1109 | ||
1110 | int vidioc_queryctrl(struct file *file, void *priv, | |
1a9fc855 | 1111 | struct v4l2_queryctrl *qctrl) |
bb4c9a74 | 1112 | { |
02b20b0b MCC |
1113 | return cx25821_ctrl_query(qctrl); |
1114 | } | |
1115 | ||
1116 | /* ------------------------------------------------------------------ */ | |
1117 | /* VIDEO CTRL IOCTLS */ | |
1118 | ||
1a9fc855 | 1119 | static const struct v4l2_queryctrl *ctrl_by_id(unsigned int id) |
02b20b0b MCC |
1120 | { |
1121 | unsigned int i; | |
1122 | ||
1123 | for (i = 0; i < CX25821_CTLS; i++) | |
1124 | if (cx25821_ctls[i].id == id) | |
1a9fc855 | 1125 | return cx25821_ctls + i; |
02b20b0b MCC |
1126 | return NULL; |
1127 | } | |
1128 | ||
1a9fc855 | 1129 | int vidioc_g_ctrl(struct file *file, void *priv, struct v4l2_control *ctl) |
02b20b0b | 1130 | { |
bb4c9a74 | 1131 | struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev; |
02b20b0b | 1132 | |
1a9fc855 | 1133 | const struct v4l2_queryctrl *ctrl; |
02b20b0b MCC |
1134 | |
1135 | ctrl = ctrl_by_id(ctl->id); | |
1136 | ||
1137 | if (NULL == ctrl) | |
1138 | return -EINVAL; | |
1a9fc855 MCC |
1139 | switch (ctl->id) { |
1140 | case V4L2_CID_BRIGHTNESS: | |
02b20b0b MCC |
1141 | ctl->value = dev->ctl_bright; |
1142 | break; | |
1a9fc855 | 1143 | case V4L2_CID_HUE: |
02b20b0b MCC |
1144 | ctl->value = dev->ctl_hue; |
1145 | break; | |
1a9fc855 | 1146 | case V4L2_CID_CONTRAST: |
02b20b0b MCC |
1147 | ctl->value = dev->ctl_contrast; |
1148 | break; | |
1a9fc855 | 1149 | case V4L2_CID_SATURATION: |
02b20b0b MCC |
1150 | ctl->value = dev->ctl_saturation; |
1151 | break; | |
bb4c9a74 | 1152 | } |
02b20b0b MCC |
1153 | return 0; |
1154 | } | |
1155 | ||
1156 | int cx25821_set_control(struct cx25821_dev *dev, | |
1a9fc855 | 1157 | struct v4l2_control *ctl, int chan_num) |
02b20b0b | 1158 | { |
bb4c9a74 | 1159 | int err; |
1a9fc855 | 1160 | const struct v4l2_queryctrl *ctrl; |
02b20b0b | 1161 | |
bb4c9a74 | 1162 | err = -EINVAL; |
02b20b0b MCC |
1163 | |
1164 | ctrl = ctrl_by_id(ctl->id); | |
1165 | ||
bb4c9a74 | 1166 | if (NULL == ctrl) |
02b20b0b MCC |
1167 | return err; |
1168 | ||
1a9fc855 MCC |
1169 | switch (ctrl->type) { |
1170 | case V4L2_CTRL_TYPE_BOOLEAN: | |
1171 | case V4L2_CTRL_TYPE_MENU: | |
1172 | case V4L2_CTRL_TYPE_INTEGER: | |
02b20b0b MCC |
1173 | if (ctl->value < ctrl->minimum) |
1174 | ctl->value = ctrl->minimum; | |
1175 | if (ctl->value > ctrl->maximum) | |
1176 | ctl->value = ctrl->maximum; | |
1177 | break; | |
1a9fc855 MCC |
1178 | default: |
1179 | /* nothing */ ; | |
02b20b0b MCC |
1180 | }; |
1181 | ||
1a9fc855 MCC |
1182 | switch (ctl->id) { |
1183 | case V4L2_CID_BRIGHTNESS: | |
02b20b0b MCC |
1184 | dev->ctl_bright = ctl->value; |
1185 | medusa_set_brightness(dev, ctl->value, chan_num); | |
1186 | break; | |
1a9fc855 | 1187 | case V4L2_CID_HUE: |
02b20b0b MCC |
1188 | dev->ctl_hue = ctl->value; |
1189 | medusa_set_hue(dev, ctl->value, chan_num); | |
1190 | break; | |
1a9fc855 | 1191 | case V4L2_CID_CONTRAST: |
02b20b0b MCC |
1192 | dev->ctl_contrast = ctl->value; |
1193 | medusa_set_contrast(dev, ctl->value, chan_num); | |
1194 | break; | |
1a9fc855 | 1195 | case V4L2_CID_SATURATION: |
02b20b0b MCC |
1196 | dev->ctl_saturation = ctl->value; |
1197 | medusa_set_saturation(dev, ctl->value, chan_num); | |
1198 | break; | |
bb4c9a74 | 1199 | } |
02b20b0b | 1200 | |
bb4c9a74 | 1201 | err = 0; |
02b20b0b MCC |
1202 | |
1203 | return err; | |
1204 | } | |
1205 | ||
1206 | static void init_controls(struct cx25821_dev *dev, int chan_num) | |
1207 | { | |
1208 | struct v4l2_control ctrl; | |
1209 | int i; | |
1210 | for (i = 0; i < CX25821_CTLS; i++) { | |
1211 | ctrl.id = cx25821_ctls[i].id; | |
1212 | ctrl.value = cx25821_ctls[i].default_value; | |
1213 | ||
1214 | cx25821_set_control(dev, &ctrl, chan_num); | |
1215 | } | |
1216 | } | |
1217 | ||
1a9fc855 | 1218 | int vidioc_cropcap(struct file *file, void *priv, struct v4l2_cropcap *cropcap) |
02b20b0b MCC |
1219 | { |
1220 | struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev; | |
bb4c9a74 | 1221 | |
02b20b0b MCC |
1222 | if (cropcap->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) |
1223 | return -EINVAL; | |
1224 | cropcap->bounds.top = cropcap->bounds.left = 0; | |
1225 | cropcap->bounds.width = 720; | |
1226 | cropcap->bounds.height = dev->tvnorm == V4L2_STD_PAL_BG ? 576 : 480; | |
1a9fc855 MCC |
1227 | cropcap->pixelaspect.numerator = |
1228 | dev->tvnorm == V4L2_STD_PAL_BG ? 59 : 10; | |
1229 | cropcap->pixelaspect.denominator = | |
1230 | dev->tvnorm == V4L2_STD_PAL_BG ? 54 : 11; | |
02b20b0b MCC |
1231 | cropcap->defrect = cropcap->bounds; |
1232 | return 0; | |
1233 | } | |
1234 | ||
1a9fc855 | 1235 | int vidioc_s_crop(struct file *file, void *priv, struct v4l2_crop *crop) |
02b20b0b | 1236 | { |
1a9fc855 MCC |
1237 | struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev; |
1238 | struct cx25821_fh *fh = priv; | |
1239 | int err; | |
1240 | ||
1241 | if (fh) { | |
1242 | err = v4l2_prio_check(&dev->prio, &fh->prio); | |
1243 | if (0 != err) | |
1244 | return err; | |
1245 | } | |
1246 | // vidioc_s_crop not supported | |
1247 | return -EINVAL; | |
02b20b0b MCC |
1248 | } |
1249 | ||
1a9fc855 | 1250 | int vidioc_g_crop(struct file *file, void *priv, struct v4l2_crop *crop) |
02b20b0b | 1251 | { |
1a9fc855 MCC |
1252 | // vidioc_g_crop not supported |
1253 | return -EINVAL; | |
02b20b0b MCC |
1254 | } |
1255 | ||
1a9fc855 | 1256 | int vidioc_querystd(struct file *file, void *priv, v4l2_std_id * norm) |
02b20b0b | 1257 | { |
1a9fc855 MCC |
1258 | // medusa does not support video standard sensing of current input |
1259 | *norm = CX25821_NORMS; | |
02b20b0b | 1260 | |
1a9fc855 | 1261 | return 0; |
02b20b0b MCC |
1262 | } |
1263 | ||
1264 | int is_valid_width(u32 width, v4l2_std_id tvnorm) | |
1265 | { | |
1a9fc855 MCC |
1266 | if (tvnorm == V4L2_STD_PAL_BG) { |
1267 | if (width == 352 || width == 720) | |
1268 | return 1; | |
1269 | else | |
1270 | return 0; | |
1271 | } | |
bb4c9a74 | 1272 | |
1a9fc855 MCC |
1273 | if (tvnorm == V4L2_STD_NTSC_M) { |
1274 | if (width == 320 || width == 352 || width == 720) | |
1275 | return 1; | |
1276 | else | |
1277 | return 0; | |
1278 | } | |
1279 | return 0; | |
02b20b0b MCC |
1280 | } |
1281 | ||
1282 | int is_valid_height(u32 height, v4l2_std_id tvnorm) | |
1283 | { | |
1a9fc855 MCC |
1284 | if (tvnorm == V4L2_STD_PAL_BG) { |
1285 | if (height == 576 || height == 288) | |
1286 | return 1; | |
1287 | else | |
1288 | return 0; | |
1289 | } | |
02b20b0b | 1290 | |
1a9fc855 MCC |
1291 | if (tvnorm == V4L2_STD_NTSC_M) { |
1292 | if (height == 480 || height == 240) | |
1293 | return 1; | |
1294 | else | |
1295 | return 0; | |
1296 | } | |
02b20b0b | 1297 | |
1a9fc855 | 1298 | return 0; |
02b20b0b | 1299 | } |