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Commit | Line | Data |
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977e444f | 1 | /* |
f7e5a655 | 2 | * Mirics MSi2500 driver |
977e444f AP |
3 | * Mirics MSi3101 SDR Dongle driver |
4 | * | |
5 | * Copyright (C) 2013 Antti Palosaari <crope@iki.fi> | |
6 | * | |
7 | * This program is free software; you can redistribute it and/or modify | |
8 | * it under the terms of the GNU General Public License as published by | |
9 | * the Free Software Foundation; either version 2 of the License, or | |
10 | * (at your option) any later version. | |
11 | * | |
12 | * This program is distributed in the hope that it will be useful, | |
13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | * GNU General Public License for more details. | |
16 | * | |
00e049b0 AP |
17 | * That driver is somehow based of pwc driver: |
18 | * (C) 1999-2004 Nemosoft Unv. | |
19 | * (C) 2004-2006 Luc Saillard (luc@saillard.org) | |
20 | * (C) 2011 Hans de Goede <hdegoede@redhat.com> | |
977e444f AP |
21 | */ |
22 | ||
977e444f | 23 | #include <linux/module.h> |
977e444f | 24 | #include <linux/slab.h> |
04e40bdd | 25 | #include <asm/div64.h> |
977e444f AP |
26 | #include <media/v4l2-device.h> |
27 | #include <media/v4l2-ioctl.h> | |
28 | #include <media/v4l2-ctrls.h> | |
29 | #include <media/v4l2-event.h> | |
30 | #include <linux/usb.h> | |
2d700715 | 31 | #include <media/videobuf2-v4l2.h> |
977e444f | 32 | #include <media/videobuf2-vmalloc.h> |
2e68f841 | 33 | #include <linux/spi/spi.h> |
977e444f | 34 | |
06ce32cb AP |
35 | static bool msi2500_emulated_fmt; |
36 | module_param_named(emulated_formats, msi2500_emulated_fmt, bool, 0644); | |
3912eb6d AP |
37 | MODULE_PARM_DESC(emulated_formats, "enable emulated formats (disappears in future)"); |
38 | ||
977e444f AP |
39 | /* |
40 | * iConfiguration 0 | |
41 | * bInterfaceNumber 0 | |
42 | * bAlternateSetting 1 | |
43 | * bNumEndpoints 1 | |
44 | * bEndpointAddress 0x81 EP 1 IN | |
45 | * bmAttributes 1 | |
46 | * Transfer Type Isochronous | |
47 | * wMaxPacketSize 0x1400 3x 1024 bytes | |
48 | * bInterval 1 | |
49 | */ | |
50 | #define MAX_ISO_BUFS (8) | |
51 | #define ISO_FRAMES_PER_DESC (8) | |
52 | #define ISO_MAX_FRAME_SIZE (3 * 1024) | |
53 | #define ISO_BUFFER_SIZE (ISO_FRAMES_PER_DESC * ISO_MAX_FRAME_SIZE) | |
977e444f AP |
54 | #define MAX_ISOC_ERRORS 20 |
55 | ||
c08de62f AP |
56 | /* |
57 | * TODO: These formats should be moved to V4L2 API. Formats are currently | |
58 | * disabled from formats[] table, not visible to userspace. | |
59 | */ | |
60 | /* signed 12-bit */ | |
61 | #define MSI2500_PIX_FMT_SDR_S12 v4l2_fourcc('D', 'S', '1', '2') | |
62 | /* Mirics MSi2500 format 384 */ | |
63 | #define MSI2500_PIX_FMT_SDR_MSI2500_384 v4l2_fourcc('M', '3', '8', '4') | |
3d0c8fa3 | 64 | |
2e68f841 | 65 | static const struct v4l2_frequency_band bands[] = { |
3d0c8fa3 AP |
66 | { |
67 | .tuner = 0, | |
68 | .type = V4L2_TUNER_ADC, | |
69 | .index = 0, | |
70 | .capability = V4L2_TUNER_CAP_1HZ | V4L2_TUNER_CAP_FREQ_BANDS, | |
71 | .rangelow = 1200000, | |
72 | .rangehigh = 15000000, | |
73 | }, | |
74 | }; | |
75 | ||
3d0c8fa3 | 76 | /* stream formats */ |
06ce32cb | 77 | struct msi2500_format { |
3d0c8fa3 AP |
78 | char *name; |
79 | u32 pixelformat; | |
a54e0fee | 80 | u32 buffersize; |
3d0c8fa3 AP |
81 | }; |
82 | ||
83 | /* format descriptions for capture and preview */ | |
06ce32cb | 84 | static struct msi2500_format formats[] = { |
3d0c8fa3 | 85 | { |
3912eb6d AP |
86 | .name = "Complex S8", |
87 | .pixelformat = V4L2_SDR_FMT_CS8, | |
a54e0fee | 88 | .buffersize = 3 * 1008, |
3d0c8fa3 | 89 | #if 0 |
3d0c8fa3 AP |
90 | }, { |
91 | .name = "10+2-bit signed", | |
c08de62f | 92 | .pixelformat = MSI2500_PIX_FMT_SDR_MSI2500_384, |
3d0c8fa3 AP |
93 | }, { |
94 | .name = "12-bit signed", | |
c08de62f | 95 | .pixelformat = MSI2500_PIX_FMT_SDR_S12, |
3d0c8fa3 | 96 | #endif |
3912eb6d AP |
97 | }, { |
98 | .name = "Complex S14LE", | |
99 | .pixelformat = V4L2_SDR_FMT_CS14LE, | |
a54e0fee | 100 | .buffersize = 3 * 1008, |
3912eb6d AP |
101 | }, { |
102 | .name = "Complex U8 (emulated)", | |
103 | .pixelformat = V4L2_SDR_FMT_CU8, | |
a54e0fee | 104 | .buffersize = 3 * 1008, |
3912eb6d AP |
105 | }, { |
106 | .name = "Complex U16LE (emulated)", | |
107 | .pixelformat = V4L2_SDR_FMT_CU16LE, | |
a54e0fee | 108 | .buffersize = 3 * 1008, |
3d0c8fa3 AP |
109 | }, |
110 | }; | |
111 | ||
112 | static const unsigned int NUM_FORMATS = ARRAY_SIZE(formats); | |
977e444f AP |
113 | |
114 | /* intermediate buffers with raw data from the USB device */ | |
06ce32cb | 115 | struct msi2500_frame_buf { |
2d700715 JS |
116 | /* common v4l buffer stuff -- must be first */ |
117 | struct vb2_v4l2_buffer vb; | |
977e444f | 118 | struct list_head list; |
977e444f AP |
119 | }; |
120 | ||
f7e5a655 | 121 | struct msi2500_dev { |
100b7931 | 122 | struct device *dev; |
977e444f AP |
123 | struct video_device vdev; |
124 | struct v4l2_device v4l2_dev; | |
2e68f841 AP |
125 | struct v4l2_subdev *v4l2_subdev; |
126 | struct spi_master *master; | |
977e444f AP |
127 | |
128 | /* videobuf2 queue and queued buffers list */ | |
129 | struct vb2_queue vb_queue; | |
130 | struct list_head queued_bufs; | |
131 | spinlock_t queued_bufs_lock; /* Protects queued_bufs */ | |
132 | ||
133 | /* Note if taking both locks v4l2_lock must always be locked first! */ | |
134 | struct mutex v4l2_lock; /* Protects everything else */ | |
135 | struct mutex vb_queue_lock; /* Protects vb_queue and capt_file */ | |
136 | ||
137 | /* Pointer to our usb_device, will be NULL after unplug */ | |
138 | struct usb_device *udev; /* Both mutexes most be hold when setting! */ | |
139 | ||
2e68f841 | 140 | unsigned int f_adc; |
3d0c8fa3 | 141 | u32 pixelformat; |
a54e0fee | 142 | u32 buffersize; |
3912eb6d | 143 | unsigned int num_formats; |
3d0c8fa3 | 144 | |
977e444f AP |
145 | unsigned int isoc_errors; /* number of contiguous ISOC errors */ |
146 | unsigned int vb_full; /* vb is full and packets dropped */ | |
147 | ||
148 | struct urb *urbs[MAX_ISO_BUFS]; | |
149 | ||
150 | /* Controls */ | |
3d0c8fa3 | 151 | struct v4l2_ctrl_handler hdl; |
977e444f | 152 | |
34599b9b AP |
153 | u32 next_sample; /* for track lost packets */ |
154 | u32 sample; /* for sample rate calc */ | |
3d0c8fa3 | 155 | unsigned long jiffies_next; |
977e444f AP |
156 | }; |
157 | ||
158 | /* Private functions */ | |
06ce32cb | 159 | static struct msi2500_frame_buf *msi2500_get_next_fill_buf( |
f7e5a655 | 160 | struct msi2500_dev *dev) |
977e444f | 161 | { |
b63ab6b0 | 162 | unsigned long flags; |
06ce32cb | 163 | struct msi2500_frame_buf *buf = NULL; |
977e444f | 164 | |
f7e5a655 AP |
165 | spin_lock_irqsave(&dev->queued_bufs_lock, flags); |
166 | if (list_empty(&dev->queued_bufs)) | |
977e444f AP |
167 | goto leave; |
168 | ||
f7e5a655 | 169 | buf = list_entry(dev->queued_bufs.next, struct msi2500_frame_buf, list); |
977e444f AP |
170 | list_del(&buf->list); |
171 | leave: | |
f7e5a655 | 172 | spin_unlock_irqrestore(&dev->queued_bufs_lock, flags); |
977e444f AP |
173 | return buf; |
174 | } | |
175 | ||
02004681 AP |
176 | /* |
177 | * +=========================================================================== | |
3d0c8fa3 | 178 | * | 00-1023 | USB packet type '504' |
02004681 AP |
179 | * +=========================================================================== |
180 | * | 00- 03 | sequence number of first sample in that USB packet | |
181 | * +--------------------------------------------------------------------------- | |
182 | * | 04- 15 | garbage | |
183 | * +--------------------------------------------------------------------------- | |
3d0c8fa3 | 184 | * | 16-1023 | samples |
02004681 | 185 | * +--------------------------------------------------------------------------- |
3d0c8fa3 AP |
186 | * signed 8-bit sample |
187 | * 504 * 2 = 1008 samples | |
8591f708 AP |
188 | * |
189 | * | |
3d0c8fa3 AP |
190 | * +=========================================================================== |
191 | * | 00-1023 | USB packet type '384' | |
192 | * +=========================================================================== | |
193 | * | 00- 03 | sequence number of first sample in that USB packet | |
194 | * +--------------------------------------------------------------------------- | |
195 | * | 04- 15 | garbage | |
196 | * +--------------------------------------------------------------------------- | |
197 | * | 16- 175 | samples | |
198 | * +--------------------------------------------------------------------------- | |
199 | * | 176- 179 | control bits for previous samples | |
200 | * +--------------------------------------------------------------------------- | |
201 | * | 180- 339 | samples | |
202 | * +--------------------------------------------------------------------------- | |
203 | * | 340- 343 | control bits for previous samples | |
204 | * +--------------------------------------------------------------------------- | |
205 | * | 344- 503 | samples | |
206 | * +--------------------------------------------------------------------------- | |
207 | * | 504- 507 | control bits for previous samples | |
208 | * +--------------------------------------------------------------------------- | |
209 | * | 508- 667 | samples | |
210 | * +--------------------------------------------------------------------------- | |
211 | * | 668- 671 | control bits for previous samples | |
212 | * +--------------------------------------------------------------------------- | |
213 | * | 672- 831 | samples | |
214 | * +--------------------------------------------------------------------------- | |
215 | * | 832- 835 | control bits for previous samples | |
216 | * +--------------------------------------------------------------------------- | |
217 | * | 836- 995 | samples | |
218 | * +--------------------------------------------------------------------------- | |
219 | * | 996- 999 | control bits for previous samples | |
220 | * +--------------------------------------------------------------------------- | |
221 | * | 1000-1023 | garbage | |
222 | * +--------------------------------------------------------------------------- | |
223 | * | |
224 | * Bytes 4 - 7 could have some meaning? | |
225 | * | |
226 | * Control bits for previous samples is 32-bit field, containing 16 x 2-bit | |
227 | * numbers. This results one 2-bit number for 8 samples. It is likely used for | |
228 | * for bit shifting sample by given bits, increasing actual sampling resolution. | |
229 | * Number 2 (0b10) was never seen. | |
230 | * | |
231 | * 6 * 16 * 2 * 4 = 768 samples. 768 * 4 = 3072 bytes | |
8591f708 AP |
232 | * |
233 | * | |
3d0c8fa3 AP |
234 | * +=========================================================================== |
235 | * | 00-1023 | USB packet type '336' | |
236 | * +=========================================================================== | |
237 | * | 00- 03 | sequence number of first sample in that USB packet | |
238 | * +--------------------------------------------------------------------------- | |
239 | * | 04- 15 | garbage | |
240 | * +--------------------------------------------------------------------------- | |
241 | * | 16-1023 | samples | |
242 | * +--------------------------------------------------------------------------- | |
243 | * signed 12-bit sample | |
8591f708 AP |
244 | * |
245 | * | |
3d0c8fa3 AP |
246 | * +=========================================================================== |
247 | * | 00-1023 | USB packet type '252' | |
248 | * +=========================================================================== | |
249 | * | 00- 03 | sequence number of first sample in that USB packet | |
250 | * +--------------------------------------------------------------------------- | |
251 | * | 04- 15 | garbage | |
252 | * +--------------------------------------------------------------------------- | |
253 | * | 16-1023 | samples | |
254 | * +--------------------------------------------------------------------------- | |
255 | * signed 14-bit sample | |
554cbfbe | 256 | */ |
3d0c8fa3 | 257 | |
f7e5a655 AP |
258 | static int msi2500_convert_stream(struct msi2500_dev *dev, u8 *dst, u8 *src, |
259 | unsigned int src_len) | |
554cbfbe | 260 | { |
8591f708 AP |
261 | unsigned int i, j, transactions, dst_len = 0; |
262 | u32 sample[3]; | |
554cbfbe | 263 | |
8591f708 AP |
264 | /* There could be 1-3 1024 byte transactions per packet */ |
265 | transactions = src_len / 1024; | |
554cbfbe | 266 | |
8591f708 AP |
267 | for (i = 0; i < transactions; i++) { |
268 | sample[i] = src[3] << 24 | src[2] << 16 | src[1] << 8 | | |
269 | src[0] << 0; | |
f7e5a655 AP |
270 | if (i == 0 && dev->next_sample != sample[0]) { |
271 | dev_dbg_ratelimited(dev->dev, | |
272 | "%d samples lost, %d %08x:%08x\n", | |
273 | sample[0] - dev->next_sample, | |
274 | src_len, dev->next_sample, | |
275 | sample[0]); | |
554cbfbe AP |
276 | } |
277 | ||
278 | /* | |
279 | * Dump all unknown 'garbage' data - maybe we will discover | |
280 | * someday if there is something rational... | |
281 | */ | |
f7e5a655 | 282 | dev_dbg_ratelimited(dev->dev, "%*ph\n", 12, &src[4]); |
554cbfbe | 283 | |
8591f708 | 284 | src += 16; /* skip header */ |
554cbfbe | 285 | |
f7e5a655 | 286 | switch (dev->pixelformat) { |
8591f708 AP |
287 | case V4L2_SDR_FMT_CU8: /* 504 x IQ samples */ |
288 | { | |
f7e5a655 AP |
289 | s8 *s8src = (s8 *)src; |
290 | u8 *u8dst = (u8 *)dst; | |
554cbfbe | 291 | |
8591f708 AP |
292 | for (j = 0; j < 1008; j++) |
293 | *u8dst++ = *s8src++ + 128; | |
3d0c8fa3 | 294 | |
8591f708 AP |
295 | src += 1008; |
296 | dst += 1008; | |
297 | dst_len += 1008; | |
f7e5a655 | 298 | dev->next_sample = sample[i] + 504; |
8591f708 | 299 | break; |
554cbfbe | 300 | } |
8591f708 AP |
301 | case V4L2_SDR_FMT_CU16LE: /* 252 x IQ samples */ |
302 | { | |
f7e5a655 AP |
303 | s16 *s16src = (s16 *)src; |
304 | u16 *u16dst = (u16 *)dst; | |
8591f708 AP |
305 | struct {signed int x:14; } se; /* sign extension */ |
306 | unsigned int utmp; | |
307 | ||
308 | for (j = 0; j < 1008; j += 2) { | |
309 | /* sign extension from 14-bit to signed int */ | |
310 | se.x = *s16src++; | |
311 | /* from signed int to unsigned int */ | |
312 | utmp = se.x + 8192; | |
313 | /* from 14-bit to 16-bit */ | |
314 | *u16dst++ = utmp << 2 | utmp >> 12; | |
315 | } | |
3d0c8fa3 | 316 | |
8591f708 AP |
317 | src += 1008; |
318 | dst += 1008; | |
319 | dst_len += 1008; | |
f7e5a655 | 320 | dev->next_sample = sample[i] + 252; |
8591f708 AP |
321 | break; |
322 | } | |
323 | case MSI2500_PIX_FMT_SDR_MSI2500_384: /* 384 x IQ samples */ | |
324 | /* Dump unknown 'garbage' data */ | |
f7e5a655 | 325 | dev_dbg_ratelimited(dev->dev, "%*ph\n", 24, &src[1000]); |
8591f708 AP |
326 | memcpy(dst, src, 984); |
327 | src += 984 + 24; | |
328 | dst += 984; | |
329 | dst_len += 984; | |
f7e5a655 | 330 | dev->next_sample = sample[i] + 384; |
8591f708 AP |
331 | break; |
332 | case V4L2_SDR_FMT_CS8: /* 504 x IQ samples */ | |
333 | memcpy(dst, src, 1008); | |
334 | src += 1008; | |
335 | dst += 1008; | |
336 | dst_len += 1008; | |
f7e5a655 | 337 | dev->next_sample = sample[i] + 504; |
8591f708 AP |
338 | break; |
339 | case MSI2500_PIX_FMT_SDR_S12: /* 336 x IQ samples */ | |
340 | memcpy(dst, src, 1008); | |
341 | src += 1008; | |
342 | dst += 1008; | |
343 | dst_len += 1008; | |
f7e5a655 | 344 | dev->next_sample = sample[i] + 336; |
8591f708 AP |
345 | break; |
346 | case V4L2_SDR_FMT_CS14LE: /* 252 x IQ samples */ | |
347 | memcpy(dst, src, 1008); | |
348 | src += 1008; | |
349 | dst += 1008; | |
350 | dst_len += 1008; | |
f7e5a655 | 351 | dev->next_sample = sample[i] + 252; |
8591f708 AP |
352 | break; |
353 | default: | |
354 | break; | |
355 | } | |
554cbfbe AP |
356 | } |
357 | ||
8591f708 | 358 | /* calculate sample rate and output it in 10 seconds intervals */ |
f7e5a655 | 359 | if (unlikely(time_is_before_jiffies(dev->jiffies_next))) { |
8591f708 AP |
360 | #define MSECS 10000UL |
361 | unsigned int msecs = jiffies_to_msecs(jiffies - | |
f7e5a655 AP |
362 | dev->jiffies_next + msecs_to_jiffies(MSECS)); |
363 | unsigned int samples = dev->next_sample - dev->sample; | |
364 | ||
365 | dev->jiffies_next = jiffies + msecs_to_jiffies(MSECS); | |
366 | dev->sample = dev->next_sample; | |
367 | dev_dbg(dev->dev, "size=%u samples=%u msecs=%u sample rate=%lu\n", | |
368 | src_len, samples, msecs, | |
369 | samples * 1000UL / msecs); | |
554cbfbe AP |
370 | } |
371 | ||
554cbfbe AP |
372 | return dst_len; |
373 | } | |
374 | ||
977e444f AP |
375 | /* |
376 | * This gets called for the Isochronous pipe (stream). This is done in interrupt | |
377 | * time, so it has to be fast, not crash, and not stall. Neat. | |
378 | */ | |
06ce32cb | 379 | static void msi2500_isoc_handler(struct urb *urb) |
977e444f | 380 | { |
f7e5a655 | 381 | struct msi2500_dev *dev = (struct msi2500_dev *)urb->context; |
977e444f AP |
382 | int i, flen, fstatus; |
383 | unsigned char *iso_buf = NULL; | |
06ce32cb | 384 | struct msi2500_frame_buf *fbuf; |
977e444f | 385 | |
f7e5a655 AP |
386 | if (unlikely(urb->status == -ENOENT || |
387 | urb->status == -ECONNRESET || | |
388 | urb->status == -ESHUTDOWN)) { | |
389 | dev_dbg(dev->dev, "URB (%p) unlinked %ssynchronuously\n", | |
390 | urb, urb->status == -ENOENT ? "" : "a"); | |
977e444f AP |
391 | return; |
392 | } | |
393 | ||
3d0c8fa3 | 394 | if (unlikely(urb->status != 0)) { |
f7e5a655 | 395 | dev_dbg(dev->dev, "called with status %d\n", urb->status); |
977e444f | 396 | /* Give up after a number of contiguous errors */ |
f7e5a655 AP |
397 | if (++dev->isoc_errors > MAX_ISOC_ERRORS) |
398 | dev_dbg(dev->dev, "Too many ISOC errors, bailing out\n"); | |
977e444f AP |
399 | goto handler_end; |
400 | } else { | |
401 | /* Reset ISOC error counter. We did get here, after all. */ | |
f7e5a655 | 402 | dev->isoc_errors = 0; |
977e444f AP |
403 | } |
404 | ||
405 | /* Compact data */ | |
406 | for (i = 0; i < urb->number_of_packets; i++) { | |
554cbfbe AP |
407 | void *ptr; |
408 | ||
977e444f AP |
409 | /* Check frame error */ |
410 | fstatus = urb->iso_frame_desc[i].status; | |
3d0c8fa3 | 411 | if (unlikely(fstatus)) { |
f7e5a655 AP |
412 | dev_dbg_ratelimited(dev->dev, |
413 | "frame=%d/%d has error %d skipping\n", | |
414 | i, urb->number_of_packets, fstatus); | |
3d0c8fa3 | 415 | continue; |
977e444f AP |
416 | } |
417 | ||
418 | /* Check if that frame contains data */ | |
419 | flen = urb->iso_frame_desc[i].actual_length; | |
3d0c8fa3 AP |
420 | if (unlikely(flen == 0)) |
421 | continue; | |
977e444f AP |
422 | |
423 | iso_buf = urb->transfer_buffer + urb->iso_frame_desc[i].offset; | |
424 | ||
425 | /* Get free framebuffer */ | |
f7e5a655 | 426 | fbuf = msi2500_get_next_fill_buf(dev); |
3d0c8fa3 | 427 | if (unlikely(fbuf == NULL)) { |
f7e5a655 AP |
428 | dev->vb_full++; |
429 | dev_dbg_ratelimited(dev->dev, | |
430 | "videobuf is full, %d packets dropped\n", | |
431 | dev->vb_full); | |
3d0c8fa3 | 432 | continue; |
977e444f AP |
433 | } |
434 | ||
435 | /* fill framebuffer */ | |
2d700715 | 436 | ptr = vb2_plane_vaddr(&fbuf->vb.vb2_buf, 0); |
f7e5a655 | 437 | flen = msi2500_convert_stream(dev, ptr, iso_buf, flen); |
2d700715 JS |
438 | vb2_set_plane_payload(&fbuf->vb.vb2_buf, 0, flen); |
439 | vb2_buffer_done(&fbuf->vb.vb2_buf, VB2_BUF_STATE_DONE); | |
977e444f AP |
440 | } |
441 | ||
442 | handler_end: | |
443 | i = usb_submit_urb(urb, GFP_ATOMIC); | |
3d0c8fa3 | 444 | if (unlikely(i != 0)) |
f7e5a655 | 445 | dev_dbg(dev->dev, "Error (%d) re-submitting urb\n", i); |
977e444f AP |
446 | } |
447 | ||
f7e5a655 | 448 | static void msi2500_iso_stop(struct msi2500_dev *dev) |
977e444f AP |
449 | { |
450 | int i; | |
c08de62f | 451 | |
f7e5a655 | 452 | dev_dbg(dev->dev, "\n"); |
977e444f AP |
453 | |
454 | /* Unlinking ISOC buffers one by one */ | |
455 | for (i = 0; i < MAX_ISO_BUFS; i++) { | |
f7e5a655 AP |
456 | if (dev->urbs[i]) { |
457 | dev_dbg(dev->dev, "Unlinking URB %p\n", dev->urbs[i]); | |
458 | usb_kill_urb(dev->urbs[i]); | |
977e444f AP |
459 | } |
460 | } | |
461 | } | |
462 | ||
f7e5a655 | 463 | static void msi2500_iso_free(struct msi2500_dev *dev) |
977e444f AP |
464 | { |
465 | int i; | |
c08de62f | 466 | |
f7e5a655 | 467 | dev_dbg(dev->dev, "\n"); |
977e444f AP |
468 | |
469 | /* Freeing ISOC buffers one by one */ | |
470 | for (i = 0; i < MAX_ISO_BUFS; i++) { | |
f7e5a655 AP |
471 | if (dev->urbs[i]) { |
472 | dev_dbg(dev->dev, "Freeing URB\n"); | |
473 | if (dev->urbs[i]->transfer_buffer) { | |
474 | usb_free_coherent(dev->udev, | |
475 | dev->urbs[i]->transfer_buffer_length, | |
476 | dev->urbs[i]->transfer_buffer, | |
477 | dev->urbs[i]->transfer_dma); | |
977e444f | 478 | } |
f7e5a655 AP |
479 | usb_free_urb(dev->urbs[i]); |
480 | dev->urbs[i] = NULL; | |
977e444f AP |
481 | } |
482 | } | |
483 | } | |
484 | ||
485 | /* Both v4l2_lock and vb_queue_lock should be locked when calling this */ | |
f7e5a655 | 486 | static void msi2500_isoc_cleanup(struct msi2500_dev *dev) |
977e444f | 487 | { |
f7e5a655 | 488 | dev_dbg(dev->dev, "\n"); |
977e444f | 489 | |
f7e5a655 AP |
490 | msi2500_iso_stop(dev); |
491 | msi2500_iso_free(dev); | |
977e444f AP |
492 | } |
493 | ||
494 | /* Both v4l2_lock and vb_queue_lock should be locked when calling this */ | |
f7e5a655 | 495 | static int msi2500_isoc_init(struct msi2500_dev *dev) |
977e444f | 496 | { |
977e444f AP |
497 | struct urb *urb; |
498 | int i, j, ret; | |
c08de62f | 499 | |
f7e5a655 | 500 | dev_dbg(dev->dev, "\n"); |
977e444f | 501 | |
f7e5a655 | 502 | dev->isoc_errors = 0; |
977e444f | 503 | |
f7e5a655 | 504 | ret = usb_set_interface(dev->udev, 0, 1); |
3d0c8fa3 | 505 | if (ret) |
977e444f AP |
506 | return ret; |
507 | ||
508 | /* Allocate and init Isochronuous urbs */ | |
509 | for (i = 0; i < MAX_ISO_BUFS; i++) { | |
510 | urb = usb_alloc_urb(ISO_FRAMES_PER_DESC, GFP_KERNEL); | |
511 | if (urb == NULL) { | |
f7e5a655 AP |
512 | dev_err(dev->dev, "Failed to allocate urb %d\n", i); |
513 | msi2500_isoc_cleanup(dev); | |
977e444f AP |
514 | return -ENOMEM; |
515 | } | |
f7e5a655 AP |
516 | dev->urbs[i] = urb; |
517 | dev_dbg(dev->dev, "Allocated URB at 0x%p\n", urb); | |
977e444f AP |
518 | |
519 | urb->interval = 1; | |
f7e5a655 AP |
520 | urb->dev = dev->udev; |
521 | urb->pipe = usb_rcvisocpipe(dev->udev, 0x81); | |
977e444f | 522 | urb->transfer_flags = URB_ISO_ASAP | URB_NO_TRANSFER_DMA_MAP; |
f7e5a655 | 523 | urb->transfer_buffer = usb_alloc_coherent(dev->udev, |
de3f2e2e | 524 | ISO_BUFFER_SIZE, |
977e444f AP |
525 | GFP_KERNEL, &urb->transfer_dma); |
526 | if (urb->transfer_buffer == NULL) { | |
f7e5a655 AP |
527 | dev_err(dev->dev, |
528 | "Failed to allocate urb buffer %d\n", i); | |
529 | msi2500_isoc_cleanup(dev); | |
977e444f AP |
530 | return -ENOMEM; |
531 | } | |
532 | urb->transfer_buffer_length = ISO_BUFFER_SIZE; | |
06ce32cb | 533 | urb->complete = msi2500_isoc_handler; |
f7e5a655 | 534 | urb->context = dev; |
977e444f AP |
535 | urb->start_frame = 0; |
536 | urb->number_of_packets = ISO_FRAMES_PER_DESC; | |
537 | for (j = 0; j < ISO_FRAMES_PER_DESC; j++) { | |
538 | urb->iso_frame_desc[j].offset = j * ISO_MAX_FRAME_SIZE; | |
539 | urb->iso_frame_desc[j].length = ISO_MAX_FRAME_SIZE; | |
540 | } | |
541 | } | |
542 | ||
543 | /* link */ | |
544 | for (i = 0; i < MAX_ISO_BUFS; i++) { | |
f7e5a655 | 545 | ret = usb_submit_urb(dev->urbs[i], GFP_KERNEL); |
977e444f | 546 | if (ret) { |
f7e5a655 AP |
547 | dev_err(dev->dev, |
548 | "usb_submit_urb %d failed with error %d\n", | |
549 | i, ret); | |
550 | msi2500_isoc_cleanup(dev); | |
977e444f AP |
551 | return ret; |
552 | } | |
f7e5a655 | 553 | dev_dbg(dev->dev, "URB 0x%p submitted.\n", dev->urbs[i]); |
977e444f AP |
554 | } |
555 | ||
556 | /* All is done... */ | |
557 | return 0; | |
558 | } | |
559 | ||
560 | /* Must be called with vb_queue_lock hold */ | |
f7e5a655 | 561 | static void msi2500_cleanup_queued_bufs(struct msi2500_dev *dev) |
977e444f | 562 | { |
b63ab6b0 | 563 | unsigned long flags; |
c08de62f | 564 | |
f7e5a655 | 565 | dev_dbg(dev->dev, "\n"); |
977e444f | 566 | |
f7e5a655 AP |
567 | spin_lock_irqsave(&dev->queued_bufs_lock, flags); |
568 | while (!list_empty(&dev->queued_bufs)) { | |
06ce32cb | 569 | struct msi2500_frame_buf *buf; |
977e444f | 570 | |
f7e5a655 AP |
571 | buf = list_entry(dev->queued_bufs.next, |
572 | struct msi2500_frame_buf, list); | |
977e444f | 573 | list_del(&buf->list); |
2d700715 | 574 | vb2_buffer_done(&buf->vb.vb2_buf, VB2_BUF_STATE_ERROR); |
977e444f | 575 | } |
f7e5a655 | 576 | spin_unlock_irqrestore(&dev->queued_bufs_lock, flags); |
977e444f AP |
577 | } |
578 | ||
579 | /* The user yanked out the cable... */ | |
06ce32cb | 580 | static void msi2500_disconnect(struct usb_interface *intf) |
977e444f AP |
581 | { |
582 | struct v4l2_device *v = usb_get_intfdata(intf); | |
f7e5a655 AP |
583 | struct msi2500_dev *dev = |
584 | container_of(v, struct msi2500_dev, v4l2_dev); | |
c08de62f | 585 | |
f7e5a655 | 586 | dev_dbg(dev->dev, "\n"); |
977e444f | 587 | |
f7e5a655 AP |
588 | mutex_lock(&dev->vb_queue_lock); |
589 | mutex_lock(&dev->v4l2_lock); | |
977e444f | 590 | /* No need to keep the urbs around after disconnection */ |
f7e5a655 AP |
591 | dev->udev = NULL; |
592 | v4l2_device_disconnect(&dev->v4l2_dev); | |
593 | video_unregister_device(&dev->vdev); | |
594 | spi_unregister_master(dev->master); | |
595 | mutex_unlock(&dev->v4l2_lock); | |
596 | mutex_unlock(&dev->vb_queue_lock); | |
597 | ||
598 | v4l2_device_put(&dev->v4l2_dev); | |
977e444f AP |
599 | } |
600 | ||
06ce32cb | 601 | static int msi2500_querycap(struct file *file, void *fh, |
f7e5a655 | 602 | struct v4l2_capability *cap) |
977e444f | 603 | { |
f7e5a655 | 604 | struct msi2500_dev *dev = video_drvdata(file); |
c08de62f | 605 | |
f7e5a655 | 606 | dev_dbg(dev->dev, "\n"); |
977e444f AP |
607 | |
608 | strlcpy(cap->driver, KBUILD_MODNAME, sizeof(cap->driver)); | |
f7e5a655 AP |
609 | strlcpy(cap->card, dev->vdev.name, sizeof(cap->card)); |
610 | usb_make_path(dev->udev, cap->bus_info, sizeof(cap->bus_info)); | |
3d0c8fa3 AP |
611 | cap->device_caps = V4L2_CAP_SDR_CAPTURE | V4L2_CAP_STREAMING | |
612 | V4L2_CAP_READWRITE | V4L2_CAP_TUNER; | |
977e444f AP |
613 | cap->capabilities = cap->device_caps | V4L2_CAP_DEVICE_CAPS; |
614 | return 0; | |
615 | } | |
616 | ||
977e444f | 617 | /* Videobuf2 operations */ |
06ce32cb | 618 | static int msi2500_queue_setup(struct vb2_queue *vq, |
f7e5a655 AP |
619 | const struct v4l2_format *fmt, |
620 | unsigned int *nbuffers, | |
621 | unsigned int *nplanes, unsigned int sizes[], | |
622 | void *alloc_ctxs[]) | |
977e444f | 623 | { |
f7e5a655 | 624 | struct msi2500_dev *dev = vb2_get_drv_priv(vq); |
c08de62f | 625 | |
f7e5a655 | 626 | dev_dbg(dev->dev, "nbuffers=%d\n", *nbuffers); |
977e444f AP |
627 | |
628 | /* Absolute min and max number of buffers available for mmap() */ | |
d287e4e3 | 629 | *nbuffers = clamp_t(unsigned int, *nbuffers, 8, 32); |
977e444f | 630 | *nplanes = 1; |
f7e5a655 AP |
631 | sizes[0] = PAGE_ALIGN(dev->buffersize); |
632 | dev_dbg(dev->dev, "nbuffers=%d sizes[0]=%d\n", *nbuffers, sizes[0]); | |
977e444f AP |
633 | return 0; |
634 | } | |
635 | ||
06ce32cb | 636 | static void msi2500_buf_queue(struct vb2_buffer *vb) |
977e444f | 637 | { |
2d700715 | 638 | struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb); |
f7e5a655 | 639 | struct msi2500_dev *dev = vb2_get_drv_priv(vb->vb2_queue); |
2d700715 | 640 | struct msi2500_frame_buf *buf = container_of(vbuf, |
f7e5a655 AP |
641 | struct msi2500_frame_buf, |
642 | vb); | |
b63ab6b0 | 643 | unsigned long flags; |
977e444f AP |
644 | |
645 | /* Check the device has not disconnected between prep and queuing */ | |
f7e5a655 | 646 | if (unlikely(!dev->udev)) { |
2d700715 | 647 | vb2_buffer_done(&buf->vb.vb2_buf, VB2_BUF_STATE_ERROR); |
977e444f AP |
648 | return; |
649 | } | |
650 | ||
f7e5a655 AP |
651 | spin_lock_irqsave(&dev->queued_bufs_lock, flags); |
652 | list_add_tail(&buf->list, &dev->queued_bufs); | |
653 | spin_unlock_irqrestore(&dev->queued_bufs_lock, flags); | |
977e444f AP |
654 | } |
655 | ||
656 | #define CMD_WREG 0x41 | |
657 | #define CMD_START_STREAMING 0x43 | |
658 | #define CMD_STOP_STREAMING 0x45 | |
f7e5a655 | 659 | #define CMD_READ_UNKNOWN 0x48 |
977e444f | 660 | |
100b7931 | 661 | #define msi2500_dbg_usb_control_msg(_dev, _r, _t, _v, _i, _b, _l) { \ |
c08de62f AP |
662 | char *_direction; \ |
663 | if (_t & USB_DIR_IN) \ | |
664 | _direction = "<<<"; \ | |
977e444f | 665 | else \ |
c08de62f | 666 | _direction = ">>>"; \ |
100b7931 AP |
667 | dev_dbg(_dev, "%02x %02x %02x %02x %02x %02x %02x %02x %s %*ph\n", \ |
668 | _t, _r, _v & 0xff, _v >> 8, _i & 0xff, _i >> 8, \ | |
669 | _l & 0xff, _l >> 8, _direction, _l, _b); \ | |
977e444f AP |
670 | } |
671 | ||
f7e5a655 | 672 | static int msi2500_ctrl_msg(struct msi2500_dev *dev, u8 cmd, u32 data) |
977e444f AP |
673 | { |
674 | int ret; | |
675 | u8 request = cmd; | |
676 | u8 requesttype = USB_DIR_OUT | USB_TYPE_VENDOR; | |
677 | u16 value = (data >> 0) & 0xffff; | |
678 | u16 index = (data >> 16) & 0xffff; | |
679 | ||
f7e5a655 AP |
680 | msi2500_dbg_usb_control_msg(dev->dev, request, requesttype, |
681 | value, index, NULL, 0); | |
682 | ret = usb_control_msg(dev->udev, usb_sndctrlpipe(dev->udev, 0), request, | |
683 | requesttype, value, index, NULL, 0, 2000); | |
977e444f | 684 | if (ret) |
f7e5a655 AP |
685 | dev_err(dev->dev, "failed %d, cmd %02x, data %04x\n", |
686 | ret, cmd, data); | |
977e444f AP |
687 | |
688 | return ret; | |
100b7931 | 689 | } |
977e444f | 690 | |
f7e5a655 | 691 | static int msi2500_set_usb_adc(struct msi2500_dev *dev) |
977e444f | 692 | { |
faf22b13 AP |
693 | int ret; |
694 | unsigned int f_vco, f_sr, div_n, k, k_cw, div_out; | |
554cbfbe | 695 | u32 reg3, reg4, reg7; |
2e68f841 AP |
696 | struct v4l2_ctrl *bandwidth_auto; |
697 | struct v4l2_ctrl *bandwidth; | |
554cbfbe | 698 | |
f7e5a655 | 699 | f_sr = dev->f_adc; |
554cbfbe | 700 | |
2e68f841 | 701 | /* set tuner, subdev, filters according to sampling rate */ |
f7e5a655 | 702 | bandwidth_auto = v4l2_ctrl_find(&dev->hdl, |
c08de62f | 703 | V4L2_CID_RF_TUNER_BANDWIDTH_AUTO); |
2e68f841 | 704 | if (v4l2_ctrl_g_ctrl(bandwidth_auto)) { |
f7e5a655 | 705 | bandwidth = v4l2_ctrl_find(&dev->hdl, |
c08de62f | 706 | V4L2_CID_RF_TUNER_BANDWIDTH); |
f7e5a655 | 707 | v4l2_ctrl_s_ctrl(bandwidth, dev->f_adc); |
2e68f841 | 708 | } |
554cbfbe AP |
709 | |
710 | /* select stream format */ | |
f7e5a655 | 711 | switch (dev->pixelformat) { |
3d0c8fa3 | 712 | case V4L2_SDR_FMT_CU8: |
8591f708 | 713 | reg7 = 0x000c9407; /* 504 */ |
3d0c8fa3 AP |
714 | break; |
715 | case V4L2_SDR_FMT_CU16LE: | |
8591f708 | 716 | reg7 = 0x00009407; /* 252 */ |
3d0c8fa3 | 717 | break; |
3912eb6d | 718 | case V4L2_SDR_FMT_CS8: |
8591f708 | 719 | reg7 = 0x000c9407; /* 504 */ |
3d0c8fa3 | 720 | break; |
c08de62f | 721 | case MSI2500_PIX_FMT_SDR_MSI2500_384: |
8591f708 | 722 | reg7 = 0x0000a507; /* 384 */ |
3d0c8fa3 | 723 | break; |
c08de62f | 724 | case MSI2500_PIX_FMT_SDR_S12: |
8591f708 | 725 | reg7 = 0x00008507; /* 336 */ |
3d0c8fa3 | 726 | break; |
3912eb6d | 727 | case V4L2_SDR_FMT_CS14LE: |
8591f708 | 728 | reg7 = 0x00009407; /* 252 */ |
3d0c8fa3 AP |
729 | break; |
730 | default: | |
8591f708 | 731 | reg7 = 0x000c9407; /* 504 */ |
3d0c8fa3 | 732 | break; |
554cbfbe AP |
733 | } |
734 | ||
faf22b13 AP |
735 | /* |
736 | * Fractional-N synthesizer | |
737 | * | |
738 | * +----------------------------------------+ | |
739 | * v | | |
740 | * Fref +----+ +-------+ +-----+ +------+ +---+ | |
741 | * ------> | PD | --> | VCO | --> | /2 | ------> | /N.F | <-- | K | | |
742 | * +----+ +-------+ +-----+ +------+ +---+ | |
743 | * | | |
744 | * | | |
745 | * v | |
746 | * +-------+ +-----+ Fout | |
747 | * | /Rout | --> | /12 | ------> | |
748 | * +-------+ +-----+ | |
749 | */ | |
977e444f | 750 | /* |
b1520857 | 751 | * Synthesizer config is just a educated guess... |
977e444f | 752 | * |
977e444f | 753 | * [7:0] 0x03, register address |
3d0c8fa3 AP |
754 | * [8] 1, power control |
755 | * [9] ?, power control | |
977e444f AP |
756 | * [12:10] output divider |
757 | * [13] 0 ? | |
758 | * [14] 0 ? | |
22ca680e | 759 | * [15] fractional MSB, bit 20 |
977e444f AP |
760 | * [16:19] N |
761 | * [23:20] ? | |
762 | * [24:31] 0x01 | |
763 | * | |
764 | * output divider | |
765 | * val div | |
766 | * 0 - (invalid) | |
b1520857 AP |
767 | * 1 4 |
768 | * 2 6 | |
769 | * 3 8 | |
770 | * 4 10 | |
771 | * 5 12 | |
772 | * 6 14 | |
773 | * 7 16 | |
774 | * | |
775 | * VCO 202000000 - 720000000++ | |
977e444f | 776 | */ |
faf22b13 AP |
777 | |
778 | #define F_REF 24000000 | |
779 | #define DIV_PRE_N 2 | |
780 | #define DIV_LO_OUT 12 | |
c5a431d0 | 781 | reg3 = 0x01000303; |
22ca680e | 782 | reg4 = 0x00000004; |
977e444f | 783 | |
faf22b13 | 784 | /* XXX: Filters? AGC? VCO band? */ |
c5a431d0 AP |
785 | if (f_sr < 6000000) |
786 | reg3 |= 0x1 << 20; | |
787 | else if (f_sr < 7000000) | |
788 | reg3 |= 0x5 << 20; | |
789 | else if (f_sr < 8500000) | |
790 | reg3 |= 0x9 << 20; | |
791 | else | |
792 | reg3 |= 0xd << 20; | |
793 | ||
faf22b13 AP |
794 | for (div_out = 4; div_out < 16; div_out += 2) { |
795 | f_vco = f_sr * div_out * DIV_LO_OUT; | |
f7e5a655 | 796 | dev_dbg(dev->dev, "div_out=%u f_vco=%u\n", div_out, f_vco); |
b1520857 | 797 | if (f_vco >= 202000000) |
977e444f AP |
798 | break; |
799 | } | |
800 | ||
faf22b13 AP |
801 | /* Calculate PLL integer and fractional control word. */ |
802 | div_n = div_u64_rem(f_vco, DIV_PRE_N * F_REF, &k); | |
803 | k_cw = div_u64((u64) k * 0x200000, DIV_PRE_N * F_REF); | |
977e444f | 804 | |
b1520857 | 805 | reg3 |= div_n << 16; |
faf22b13 AP |
806 | reg3 |= (div_out / 2 - 1) << 10; |
807 | reg3 |= ((k_cw >> 20) & 0x000001) << 15; /* [20] */ | |
808 | reg4 |= ((k_cw >> 0) & 0x0fffff) << 8; /* [19:0] */ | |
977e444f | 809 | |
f7e5a655 | 810 | dev_dbg(dev->dev, |
faf22b13 AP |
811 | "f_sr=%u f_vco=%u div_n=%u k=%u div_out=%u reg3=%08x reg4=%08x\n", |
812 | f_sr, f_vco, div_n, k, div_out, reg3, reg4); | |
977e444f | 813 | |
f7e5a655 | 814 | ret = msi2500_ctrl_msg(dev, CMD_WREG, 0x00608008); |
977e444f AP |
815 | if (ret) |
816 | goto err; | |
817 | ||
f7e5a655 | 818 | ret = msi2500_ctrl_msg(dev, CMD_WREG, 0x00000c05); |
977e444f AP |
819 | if (ret) |
820 | goto err; | |
821 | ||
f7e5a655 | 822 | ret = msi2500_ctrl_msg(dev, CMD_WREG, 0x00020000); |
977e444f AP |
823 | if (ret) |
824 | goto err; | |
825 | ||
f7e5a655 | 826 | ret = msi2500_ctrl_msg(dev, CMD_WREG, 0x00480102); |
977e444f AP |
827 | if (ret) |
828 | goto err; | |
829 | ||
f7e5a655 | 830 | ret = msi2500_ctrl_msg(dev, CMD_WREG, 0x00f38008); |
977e444f AP |
831 | if (ret) |
832 | goto err; | |
833 | ||
f7e5a655 | 834 | ret = msi2500_ctrl_msg(dev, CMD_WREG, reg7); |
977e444f AP |
835 | if (ret) |
836 | goto err; | |
837 | ||
f7e5a655 | 838 | ret = msi2500_ctrl_msg(dev, CMD_WREG, reg4); |
977e444f AP |
839 | if (ret) |
840 | goto err; | |
841 | ||
f7e5a655 | 842 | ret = msi2500_ctrl_msg(dev, CMD_WREG, reg3); |
977e444f AP |
843 | if (ret) |
844 | goto err; | |
845 | err: | |
846 | return ret; | |
100b7931 | 847 | } |
977e444f | 848 | |
06ce32cb | 849 | static int msi2500_start_streaming(struct vb2_queue *vq, unsigned int count) |
977e444f | 850 | { |
f7e5a655 | 851 | struct msi2500_dev *dev = vb2_get_drv_priv(vq); |
977e444f | 852 | int ret; |
c08de62f | 853 | |
f7e5a655 | 854 | dev_dbg(dev->dev, "\n"); |
977e444f | 855 | |
f7e5a655 | 856 | if (!dev->udev) |
977e444f AP |
857 | return -ENODEV; |
858 | ||
f7e5a655 | 859 | if (mutex_lock_interruptible(&dev->v4l2_lock)) |
977e444f AP |
860 | return -ERESTARTSYS; |
861 | ||
2e68f841 | 862 | /* wake-up tuner */ |
f7e5a655 | 863 | v4l2_subdev_call(dev->v4l2_subdev, core, s_power, 1); |
2e68f841 | 864 | |
f7e5a655 | 865 | ret = msi2500_set_usb_adc(dev); |
977e444f | 866 | |
f7e5a655 | 867 | ret = msi2500_isoc_init(dev); |
977e444f | 868 | if (ret) |
f7e5a655 | 869 | msi2500_cleanup_queued_bufs(dev); |
977e444f | 870 | |
f7e5a655 | 871 | ret = msi2500_ctrl_msg(dev, CMD_START_STREAMING, 0); |
977e444f | 872 | |
f7e5a655 | 873 | mutex_unlock(&dev->v4l2_lock); |
977e444f AP |
874 | |
875 | return ret; | |
876 | } | |
877 | ||
06ce32cb | 878 | static void msi2500_stop_streaming(struct vb2_queue *vq) |
977e444f | 879 | { |
f7e5a655 | 880 | struct msi2500_dev *dev = vb2_get_drv_priv(vq); |
e37559b2 | 881 | |
f7e5a655 | 882 | dev_dbg(dev->dev, "\n"); |
977e444f | 883 | |
f7e5a655 | 884 | mutex_lock(&dev->v4l2_lock); |
977e444f | 885 | |
f7e5a655 AP |
886 | if (dev->udev) |
887 | msi2500_isoc_cleanup(dev); | |
977e444f | 888 | |
f7e5a655 | 889 | msi2500_cleanup_queued_bufs(dev); |
d0fadf40 AP |
890 | |
891 | /* according to tests, at least 700us delay is required */ | |
892 | msleep(20); | |
f7e5a655 | 893 | if (!msi2500_ctrl_msg(dev, CMD_STOP_STREAMING, 0)) { |
e37559b2 | 894 | /* sleep USB IF / ADC */ |
f7e5a655 | 895 | msi2500_ctrl_msg(dev, CMD_WREG, 0x01000003); |
e37559b2 | 896 | } |
3d0c8fa3 AP |
897 | |
898 | /* sleep tuner */ | |
f7e5a655 | 899 | v4l2_subdev_call(dev->v4l2_subdev, core, s_power, 0); |
3d0c8fa3 | 900 | |
f7e5a655 | 901 | mutex_unlock(&dev->v4l2_lock); |
977e444f AP |
902 | } |
903 | ||
06ce32cb AP |
904 | static struct vb2_ops msi2500_vb2_ops = { |
905 | .queue_setup = msi2500_queue_setup, | |
906 | .buf_queue = msi2500_buf_queue, | |
907 | .start_streaming = msi2500_start_streaming, | |
908 | .stop_streaming = msi2500_stop_streaming, | |
977e444f AP |
909 | .wait_prepare = vb2_ops_wait_prepare, |
910 | .wait_finish = vb2_ops_wait_finish, | |
911 | }; | |
912 | ||
06ce32cb | 913 | static int msi2500_enum_fmt_sdr_cap(struct file *file, void *priv, |
f7e5a655 | 914 | struct v4l2_fmtdesc *f) |
977e444f | 915 | { |
f7e5a655 | 916 | struct msi2500_dev *dev = video_drvdata(file); |
c08de62f | 917 | |
f7e5a655 | 918 | dev_dbg(dev->dev, "index=%d\n", f->index); |
3d0c8fa3 | 919 | |
f7e5a655 | 920 | if (f->index >= dev->num_formats) |
977e444f AP |
921 | return -EINVAL; |
922 | ||
3d0c8fa3 AP |
923 | strlcpy(f->description, formats[f->index].name, sizeof(f->description)); |
924 | f->pixelformat = formats[f->index].pixelformat; | |
925 | ||
926 | return 0; | |
927 | } | |
928 | ||
06ce32cb | 929 | static int msi2500_g_fmt_sdr_cap(struct file *file, void *priv, |
f7e5a655 | 930 | struct v4l2_format *f) |
3d0c8fa3 | 931 | { |
f7e5a655 | 932 | struct msi2500_dev *dev = video_drvdata(file); |
c08de62f | 933 | |
f7e5a655 AP |
934 | dev_dbg(dev->dev, "pixelformat fourcc %4.4s\n", |
935 | (char *)&dev->pixelformat); | |
3d0c8fa3 | 936 | |
f7e5a655 AP |
937 | f->fmt.sdr.pixelformat = dev->pixelformat; |
938 | f->fmt.sdr.buffersize = dev->buffersize; | |
a54e0fee | 939 | memset(f->fmt.sdr.reserved, 0, sizeof(f->fmt.sdr.reserved)); |
977e444f AP |
940 | |
941 | return 0; | |
942 | } | |
943 | ||
06ce32cb | 944 | static int msi2500_s_fmt_sdr_cap(struct file *file, void *priv, |
f7e5a655 | 945 | struct v4l2_format *f) |
977e444f | 946 | { |
f7e5a655 AP |
947 | struct msi2500_dev *dev = video_drvdata(file); |
948 | struct vb2_queue *q = &dev->vb_queue; | |
3d0c8fa3 | 949 | int i; |
c08de62f | 950 | |
f7e5a655 AP |
951 | dev_dbg(dev->dev, "pixelformat fourcc %4.4s\n", |
952 | (char *)&f->fmt.sdr.pixelformat); | |
3d0c8fa3 AP |
953 | |
954 | if (vb2_is_busy(q)) | |
955 | return -EBUSY; | |
956 | ||
c350912c | 957 | memset(f->fmt.sdr.reserved, 0, sizeof(f->fmt.sdr.reserved)); |
f7e5a655 | 958 | for (i = 0; i < dev->num_formats; i++) { |
3d0c8fa3 | 959 | if (formats[i].pixelformat == f->fmt.sdr.pixelformat) { |
f7e5a655 AP |
960 | dev->pixelformat = formats[i].pixelformat; |
961 | dev->buffersize = formats[i].buffersize; | |
a54e0fee | 962 | f->fmt.sdr.buffersize = formats[i].buffersize; |
3d0c8fa3 AP |
963 | return 0; |
964 | } | |
965 | } | |
966 | ||
f7e5a655 AP |
967 | dev->pixelformat = formats[0].pixelformat; |
968 | dev->buffersize = formats[0].buffersize; | |
a54e0fee AP |
969 | f->fmt.sdr.pixelformat = formats[0].pixelformat; |
970 | f->fmt.sdr.buffersize = formats[0].buffersize; | |
977e444f AP |
971 | |
972 | return 0; | |
973 | } | |
974 | ||
06ce32cb | 975 | static int msi2500_try_fmt_sdr_cap(struct file *file, void *priv, |
f7e5a655 | 976 | struct v4l2_format *f) |
977e444f | 977 | { |
f7e5a655 | 978 | struct msi2500_dev *dev = video_drvdata(file); |
3d0c8fa3 | 979 | int i; |
c08de62f | 980 | |
f7e5a655 AP |
981 | dev_dbg(dev->dev, "pixelformat fourcc %4.4s\n", |
982 | (char *)&f->fmt.sdr.pixelformat); | |
3d0c8fa3 | 983 | |
c350912c | 984 | memset(f->fmt.sdr.reserved, 0, sizeof(f->fmt.sdr.reserved)); |
f7e5a655 | 985 | for (i = 0; i < dev->num_formats; i++) { |
a54e0fee AP |
986 | if (formats[i].pixelformat == f->fmt.sdr.pixelformat) { |
987 | f->fmt.sdr.buffersize = formats[i].buffersize; | |
3d0c8fa3 | 988 | return 0; |
a54e0fee | 989 | } |
3d0c8fa3 AP |
990 | } |
991 | ||
992 | f->fmt.sdr.pixelformat = formats[0].pixelformat; | |
a54e0fee | 993 | f->fmt.sdr.buffersize = formats[0].buffersize; |
3d0c8fa3 AP |
994 | |
995 | return 0; | |
977e444f AP |
996 | } |
997 | ||
06ce32cb | 998 | static int msi2500_s_tuner(struct file *file, void *priv, |
f7e5a655 | 999 | const struct v4l2_tuner *v) |
977e444f | 1000 | { |
f7e5a655 | 1001 | struct msi2500_dev *dev = video_drvdata(file); |
2e68f841 | 1002 | int ret; |
c08de62f | 1003 | |
f7e5a655 | 1004 | dev_dbg(dev->dev, "index=%d\n", v->index); |
977e444f | 1005 | |
2e68f841 AP |
1006 | if (v->index == 0) |
1007 | ret = 0; | |
1008 | else if (v->index == 1) | |
f7e5a655 | 1009 | ret = v4l2_subdev_call(dev->v4l2_subdev, tuner, s_tuner, v); |
2e68f841 AP |
1010 | else |
1011 | ret = -EINVAL; | |
1012 | ||
1013 | return ret; | |
977e444f AP |
1014 | } |
1015 | ||
06ce32cb | 1016 | static int msi2500_g_tuner(struct file *file, void *priv, struct v4l2_tuner *v) |
977e444f | 1017 | { |
f7e5a655 | 1018 | struct msi2500_dev *dev = video_drvdata(file); |
2e68f841 | 1019 | int ret; |
c08de62f | 1020 | |
f7e5a655 | 1021 | dev_dbg(dev->dev, "index=%d\n", v->index); |
977e444f | 1022 | |
3d0c8fa3 | 1023 | if (v->index == 0) { |
2e68f841 | 1024 | strlcpy(v->name, "Mirics MSi2500", sizeof(v->name)); |
3d0c8fa3 AP |
1025 | v->type = V4L2_TUNER_ADC; |
1026 | v->capability = V4L2_TUNER_CAP_1HZ | V4L2_TUNER_CAP_FREQ_BANDS; | |
1027 | v->rangelow = 1200000; | |
1028 | v->rangehigh = 15000000; | |
2e68f841 | 1029 | ret = 0; |
3d0c8fa3 | 1030 | } else if (v->index == 1) { |
f7e5a655 | 1031 | ret = v4l2_subdev_call(dev->v4l2_subdev, tuner, g_tuner, v); |
3d0c8fa3 | 1032 | } else { |
2e68f841 | 1033 | ret = -EINVAL; |
3d0c8fa3 | 1034 | } |
977e444f | 1035 | |
2e68f841 | 1036 | return ret; |
977e444f | 1037 | } |
977e444f | 1038 | |
06ce32cb | 1039 | static int msi2500_g_frequency(struct file *file, void *priv, |
f7e5a655 | 1040 | struct v4l2_frequency *f) |
3d0c8fa3 | 1041 | { |
f7e5a655 | 1042 | struct msi2500_dev *dev = video_drvdata(file); |
3d0c8fa3 | 1043 | int ret = 0; |
c08de62f | 1044 | |
f7e5a655 | 1045 | dev_dbg(dev->dev, "tuner=%d type=%d\n", f->tuner, f->type); |
3d0c8fa3 | 1046 | |
2e68f841 | 1047 | if (f->tuner == 0) { |
f7e5a655 | 1048 | f->frequency = dev->f_adc; |
2e68f841 AP |
1049 | ret = 0; |
1050 | } else if (f->tuner == 1) { | |
c350912c | 1051 | f->type = V4L2_TUNER_RF; |
f7e5a655 | 1052 | ret = v4l2_subdev_call(dev->v4l2_subdev, tuner, g_frequency, f); |
2e68f841 AP |
1053 | } else { |
1054 | ret = -EINVAL; | |
1055 | } | |
3d0c8fa3 AP |
1056 | |
1057 | return ret; | |
977e444f AP |
1058 | } |
1059 | ||
06ce32cb | 1060 | static int msi2500_s_frequency(struct file *file, void *priv, |
f7e5a655 | 1061 | const struct v4l2_frequency *f) |
977e444f | 1062 | { |
f7e5a655 | 1063 | struct msi2500_dev *dev = video_drvdata(file); |
2e68f841 | 1064 | int ret; |
c08de62f | 1065 | |
f7e5a655 AP |
1066 | dev_dbg(dev->dev, "tuner=%d type=%d frequency=%u\n", |
1067 | f->tuner, f->type, f->frequency); | |
3d0c8fa3 AP |
1068 | |
1069 | if (f->tuner == 0) { | |
f7e5a655 AP |
1070 | dev->f_adc = clamp_t(unsigned int, f->frequency, |
1071 | bands[0].rangelow, | |
1072 | bands[0].rangehigh); | |
1073 | dev_dbg(dev->dev, "ADC frequency=%u Hz\n", dev->f_adc); | |
1074 | ret = msi2500_set_usb_adc(dev); | |
3d0c8fa3 | 1075 | } else if (f->tuner == 1) { |
f7e5a655 | 1076 | ret = v4l2_subdev_call(dev->v4l2_subdev, tuner, s_frequency, f); |
3d0c8fa3 | 1077 | } else { |
2e68f841 | 1078 | ret = -EINVAL; |
3d0c8fa3 | 1079 | } |
977e444f | 1080 | |
3d0c8fa3 AP |
1081 | return ret; |
1082 | } | |
1083 | ||
06ce32cb | 1084 | static int msi2500_enum_freq_bands(struct file *file, void *priv, |
f7e5a655 | 1085 | struct v4l2_frequency_band *band) |
3d0c8fa3 | 1086 | { |
f7e5a655 | 1087 | struct msi2500_dev *dev = video_drvdata(file); |
2e68f841 | 1088 | int ret; |
c08de62f | 1089 | |
f7e5a655 AP |
1090 | dev_dbg(dev->dev, "tuner=%d type=%d index=%d\n", |
1091 | band->tuner, band->type, band->index); | |
3d0c8fa3 AP |
1092 | |
1093 | if (band->tuner == 0) { | |
2e68f841 AP |
1094 | if (band->index >= ARRAY_SIZE(bands)) { |
1095 | ret = -EINVAL; | |
1096 | } else { | |
1097 | *band = bands[band->index]; | |
1098 | ret = 0; | |
1099 | } | |
3d0c8fa3 | 1100 | } else if (band->tuner == 1) { |
f7e5a655 AP |
1101 | ret = v4l2_subdev_call(dev->v4l2_subdev, tuner, |
1102 | enum_freq_bands, band); | |
3d0c8fa3 | 1103 | } else { |
2e68f841 | 1104 | ret = -EINVAL; |
3d0c8fa3 AP |
1105 | } |
1106 | ||
2e68f841 | 1107 | return ret; |
977e444f AP |
1108 | } |
1109 | ||
06ce32cb AP |
1110 | static const struct v4l2_ioctl_ops msi2500_ioctl_ops = { |
1111 | .vidioc_querycap = msi2500_querycap, | |
977e444f | 1112 | |
06ce32cb AP |
1113 | .vidioc_enum_fmt_sdr_cap = msi2500_enum_fmt_sdr_cap, |
1114 | .vidioc_g_fmt_sdr_cap = msi2500_g_fmt_sdr_cap, | |
1115 | .vidioc_s_fmt_sdr_cap = msi2500_s_fmt_sdr_cap, | |
1116 | .vidioc_try_fmt_sdr_cap = msi2500_try_fmt_sdr_cap, | |
977e444f AP |
1117 | |
1118 | .vidioc_reqbufs = vb2_ioctl_reqbufs, | |
1119 | .vidioc_create_bufs = vb2_ioctl_create_bufs, | |
1120 | .vidioc_prepare_buf = vb2_ioctl_prepare_buf, | |
1121 | .vidioc_querybuf = vb2_ioctl_querybuf, | |
1122 | .vidioc_qbuf = vb2_ioctl_qbuf, | |
1123 | .vidioc_dqbuf = vb2_ioctl_dqbuf, | |
1124 | ||
1125 | .vidioc_streamon = vb2_ioctl_streamon, | |
1126 | .vidioc_streamoff = vb2_ioctl_streamoff, | |
1127 | ||
06ce32cb AP |
1128 | .vidioc_g_tuner = msi2500_g_tuner, |
1129 | .vidioc_s_tuner = msi2500_s_tuner, | |
3d0c8fa3 | 1130 | |
06ce32cb AP |
1131 | .vidioc_g_frequency = msi2500_g_frequency, |
1132 | .vidioc_s_frequency = msi2500_s_frequency, | |
1133 | .vidioc_enum_freq_bands = msi2500_enum_freq_bands, | |
977e444f AP |
1134 | |
1135 | .vidioc_subscribe_event = v4l2_ctrl_subscribe_event, | |
1136 | .vidioc_unsubscribe_event = v4l2_event_unsubscribe, | |
1137 | .vidioc_log_status = v4l2_ctrl_log_status, | |
1138 | }; | |
1139 | ||
06ce32cb | 1140 | static const struct v4l2_file_operations msi2500_fops = { |
977e444f AP |
1141 | .owner = THIS_MODULE, |
1142 | .open = v4l2_fh_open, | |
1143 | .release = vb2_fop_release, | |
1144 | .read = vb2_fop_read, | |
1145 | .poll = vb2_fop_poll, | |
1146 | .mmap = vb2_fop_mmap, | |
1147 | .unlocked_ioctl = video_ioctl2, | |
1148 | }; | |
1149 | ||
06ce32cb | 1150 | static struct video_device msi2500_template = { |
977e444f AP |
1151 | .name = "Mirics MSi3101 SDR Dongle", |
1152 | .release = video_device_release_empty, | |
06ce32cb AP |
1153 | .fops = &msi2500_fops, |
1154 | .ioctl_ops = &msi2500_ioctl_ops, | |
977e444f AP |
1155 | }; |
1156 | ||
06ce32cb | 1157 | static void msi2500_video_release(struct v4l2_device *v) |
977e444f | 1158 | { |
f7e5a655 | 1159 | struct msi2500_dev *dev = container_of(v, struct msi2500_dev, v4l2_dev); |
977e444f | 1160 | |
f7e5a655 AP |
1161 | v4l2_ctrl_handler_free(&dev->hdl); |
1162 | v4l2_device_unregister(&dev->v4l2_dev); | |
1163 | kfree(dev); | |
977e444f AP |
1164 | } |
1165 | ||
06ce32cb | 1166 | static int msi2500_transfer_one_message(struct spi_master *master, |
f7e5a655 | 1167 | struct spi_message *m) |
2e68f841 | 1168 | { |
f7e5a655 | 1169 | struct msi2500_dev *dev = spi_master_get_devdata(master); |
2e68f841 AP |
1170 | struct spi_transfer *t; |
1171 | int ret = 0; | |
1172 | u32 data; | |
1173 | ||
1174 | list_for_each_entry(t, &m->transfers, transfer_list) { | |
f7e5a655 | 1175 | dev_dbg(dev->dev, "msg=%*ph\n", t->len, t->tx_buf); |
2e68f841 AP |
1176 | data = 0x09; /* reg 9 is SPI adapter */ |
1177 | data |= ((u8 *)t->tx_buf)[0] << 8; | |
1178 | data |= ((u8 *)t->tx_buf)[1] << 16; | |
1179 | data |= ((u8 *)t->tx_buf)[2] << 24; | |
f7e5a655 | 1180 | ret = msi2500_ctrl_msg(dev, CMD_WREG, data); |
2e68f841 AP |
1181 | } |
1182 | ||
1183 | m->status = ret; | |
1184 | spi_finalize_current_message(master); | |
1185 | return ret; | |
1186 | } | |
1187 | ||
06ce32cb | 1188 | static int msi2500_probe(struct usb_interface *intf, |
f7e5a655 | 1189 | const struct usb_device_id *id) |
977e444f | 1190 | { |
f7e5a655 | 1191 | struct msi2500_dev *dev; |
2e68f841 AP |
1192 | struct v4l2_subdev *sd; |
1193 | struct spi_master *master; | |
977e444f | 1194 | int ret; |
2e68f841 AP |
1195 | static struct spi_board_info board_info = { |
1196 | .modalias = "msi001", | |
1197 | .bus_num = 0, | |
1198 | .chip_select = 0, | |
1199 | .max_speed_hz = 12000000, | |
977e444f AP |
1200 | }; |
1201 | ||
f7e5a655 AP |
1202 | dev = kzalloc(sizeof(*dev), GFP_KERNEL); |
1203 | if (!dev) { | |
1204 | ret = -ENOMEM; | |
1205 | goto err; | |
977e444f AP |
1206 | } |
1207 | ||
f7e5a655 AP |
1208 | mutex_init(&dev->v4l2_lock); |
1209 | mutex_init(&dev->vb_queue_lock); | |
1210 | spin_lock_init(&dev->queued_bufs_lock); | |
1211 | INIT_LIST_HEAD(&dev->queued_bufs); | |
1212 | dev->dev = &intf->dev; | |
1213 | dev->udev = interface_to_usbdev(intf); | |
1214 | dev->f_adc = bands[0].rangelow; | |
1215 | dev->pixelformat = formats[0].pixelformat; | |
1216 | dev->buffersize = formats[0].buffersize; | |
1217 | dev->num_formats = NUM_FORMATS; | |
ad7b8c02 | 1218 | if (!msi2500_emulated_fmt) |
f7e5a655 | 1219 | dev->num_formats -= 2; |
977e444f AP |
1220 | |
1221 | /* Init videobuf2 queue structure */ | |
f7e5a655 AP |
1222 | dev->vb_queue.type = V4L2_BUF_TYPE_SDR_CAPTURE; |
1223 | dev->vb_queue.io_modes = VB2_MMAP | VB2_USERPTR | VB2_READ; | |
1224 | dev->vb_queue.drv_priv = dev; | |
1225 | dev->vb_queue.buf_struct_size = sizeof(struct msi2500_frame_buf); | |
1226 | dev->vb_queue.ops = &msi2500_vb2_ops; | |
1227 | dev->vb_queue.mem_ops = &vb2_vmalloc_memops; | |
1228 | dev->vb_queue.timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC; | |
1229 | ret = vb2_queue_init(&dev->vb_queue); | |
3d0c8fa3 | 1230 | if (ret) { |
f7e5a655 | 1231 | dev_err(dev->dev, "Could not initialize vb2 queue\n"); |
977e444f AP |
1232 | goto err_free_mem; |
1233 | } | |
1234 | ||
1235 | /* Init video_device structure */ | |
f7e5a655 AP |
1236 | dev->vdev = msi2500_template; |
1237 | dev->vdev.queue = &dev->vb_queue; | |
1238 | dev->vdev.queue->lock = &dev->vb_queue_lock; | |
1239 | video_set_drvdata(&dev->vdev, dev); | |
977e444f | 1240 | |
977e444f | 1241 | /* Register the v4l2_device structure */ |
f7e5a655 AP |
1242 | dev->v4l2_dev.release = msi2500_video_release; |
1243 | ret = v4l2_device_register(&intf->dev, &dev->v4l2_dev); | |
977e444f | 1244 | if (ret) { |
f7e5a655 | 1245 | dev_err(dev->dev, "Failed to register v4l2-device (%d)\n", ret); |
2e68f841 AP |
1246 | goto err_free_mem; |
1247 | } | |
1248 | ||
1249 | /* SPI master adapter */ | |
f7e5a655 | 1250 | master = spi_alloc_master(dev->dev, 0); |
2e68f841 AP |
1251 | if (master == NULL) { |
1252 | ret = -ENOMEM; | |
1253 | goto err_unregister_v4l2_dev; | |
1254 | } | |
1255 | ||
f7e5a655 | 1256 | dev->master = master; |
2e68f841 AP |
1257 | master->bus_num = 0; |
1258 | master->num_chipselect = 1; | |
06ce32cb | 1259 | master->transfer_one_message = msi2500_transfer_one_message; |
f7e5a655 | 1260 | spi_master_set_devdata(master, dev); |
2e68f841 AP |
1261 | ret = spi_register_master(master); |
1262 | if (ret) { | |
1263 | spi_master_put(master); | |
1264 | goto err_unregister_v4l2_dev; | |
1265 | } | |
1266 | ||
1267 | /* load v4l2 subdevice */ | |
f7e5a655 AP |
1268 | sd = v4l2_spi_new_subdev(&dev->v4l2_dev, master, &board_info); |
1269 | dev->v4l2_subdev = sd; | |
2e68f841 | 1270 | if (sd == NULL) { |
f7e5a655 | 1271 | dev_err(dev->dev, "cannot get v4l2 subdevice\n"); |
2e68f841 AP |
1272 | ret = -ENODEV; |
1273 | goto err_unregister_master; | |
1274 | } | |
1275 | ||
1276 | /* Register controls */ | |
f7e5a655 AP |
1277 | v4l2_ctrl_handler_init(&dev->hdl, 0); |
1278 | if (dev->hdl.error) { | |
1279 | ret = dev->hdl.error; | |
1280 | dev_err(dev->dev, "Could not initialize controls\n"); | |
977e444f AP |
1281 | goto err_free_controls; |
1282 | } | |
1283 | ||
2e68f841 | 1284 | /* currently all controls are from subdev */ |
f7e5a655 | 1285 | v4l2_ctrl_add_handler(&dev->hdl, sd->ctrl_handler, NULL); |
2e68f841 | 1286 | |
f7e5a655 AP |
1287 | dev->v4l2_dev.ctrl_handler = &dev->hdl; |
1288 | dev->vdev.v4l2_dev = &dev->v4l2_dev; | |
1289 | dev->vdev.lock = &dev->v4l2_lock; | |
977e444f | 1290 | |
f7e5a655 | 1291 | ret = video_register_device(&dev->vdev, VFL_TYPE_SDR, -1); |
3d0c8fa3 | 1292 | if (ret) { |
f7e5a655 AP |
1293 | dev_err(dev->dev, |
1294 | "Failed to register as video device (%d)\n", ret); | |
977e444f AP |
1295 | goto err_unregister_v4l2_dev; |
1296 | } | |
f7e5a655 AP |
1297 | dev_info(dev->dev, "Registered as %s\n", |
1298 | video_device_node_name(&dev->vdev)); | |
1299 | dev_notice(dev->dev, | |
1300 | "SDR API is still slightly experimental and functionality changes may follow\n"); | |
977e444f | 1301 | return 0; |
977e444f | 1302 | err_free_controls: |
f7e5a655 | 1303 | v4l2_ctrl_handler_free(&dev->hdl); |
2e68f841 | 1304 | err_unregister_master: |
f7e5a655 | 1305 | spi_unregister_master(dev->master); |
977e444f | 1306 | err_unregister_v4l2_dev: |
f7e5a655 | 1307 | v4l2_device_unregister(&dev->v4l2_dev); |
977e444f | 1308 | err_free_mem: |
f7e5a655 AP |
1309 | kfree(dev); |
1310 | err: | |
977e444f AP |
1311 | return ret; |
1312 | } | |
1313 | ||
1314 | /* USB device ID list */ | |
06ce32cb | 1315 | static struct usb_device_id msi2500_id_table[] = { |
f7e5a655 AP |
1316 | {USB_DEVICE(0x1df7, 0x2500)}, /* Mirics MSi3101 SDR Dongle */ |
1317 | {USB_DEVICE(0x2040, 0xd300)}, /* Hauppauge WinTV 133559 LF */ | |
1318 | {} | |
977e444f | 1319 | }; |
06ce32cb | 1320 | MODULE_DEVICE_TABLE(usb, msi2500_id_table); |
977e444f AP |
1321 | |
1322 | /* USB subsystem interface */ | |
06ce32cb | 1323 | static struct usb_driver msi2500_driver = { |
977e444f | 1324 | .name = KBUILD_MODNAME, |
06ce32cb AP |
1325 | .probe = msi2500_probe, |
1326 | .disconnect = msi2500_disconnect, | |
1327 | .id_table = msi2500_id_table, | |
977e444f AP |
1328 | }; |
1329 | ||
06ce32cb | 1330 | module_usb_driver(msi2500_driver); |
977e444f AP |
1331 | |
1332 | MODULE_AUTHOR("Antti Palosaari <crope@iki.fi>"); | |
1333 | MODULE_DESCRIPTION("Mirics MSi3101 SDR Dongle"); | |
1334 | MODULE_LICENSE("GPL"); |