Commit | Line | Data |
---|---|---|
3169c9b2 | 1 | /* |
d0058645 RP |
2 | * tm6000-dvb.c - dvb-t support for TM5600/TM6000/TM6010 USB video capture devices |
3 | * | |
4 | * Copyright (C) 2007 Michel Ludwig <michel.ludwig@gmail.com> | |
5 | * | |
6 | * This program is free software; you can redistribute it and/or modify | |
7 | * it under the terms of the GNU General Public License as published by | |
8 | * the Free Software Foundation version 2 | |
9 | * | |
10 | * This program is distributed in the hope that it will be useful, | |
11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
13 | * GNU General Public License for more details. | |
14 | * | |
15 | * You should have received a copy of the GNU General Public License | |
16 | * along with this program; if not, write to the Free Software | |
17 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. | |
3169c9b2 ML |
18 | */ |
19 | ||
08e60ba0 | 20 | #include <linux/kernel.h> |
4ef09889 | 21 | #include <linux/slab.h> |
3169c9b2 ML |
22 | #include <linux/usb.h> |
23 | ||
24 | #include "tm6000.h" | |
25 | #include "tm6000-regs.h" | |
26 | ||
3169c9b2 ML |
27 | #include "zl10353.h" |
28 | ||
29 | #include <media/tuner.h> | |
30 | ||
5b74c2c7 | 31 | #include "tuner-xc2028.h" |
7e2d9820 | 32 | #include "xc5000.h" |
5b74c2c7 | 33 | |
cee3926f | 34 | MODULE_DESCRIPTION("DVB driver extension module for tm5600/6000/6010 based TV cards"); |
37e59f87 | 35 | MODULE_AUTHOR("Mauro Carvalho Chehab"); |
cee3926f SR |
36 | MODULE_LICENSE("GPL"); |
37 | ||
38 | MODULE_SUPPORTED_DEVICE("{{Trident, tm5600}," | |
39 | "{{Trident, tm6000}," | |
40 | "{{Trident, tm6010}"); | |
41 | ||
42 | static int debug; | |
43 | ||
44 | module_param(debug, int, 0644); | |
45 | MODULE_PARM_DESC(debug, "enable debug message"); | |
46 | ||
52e0a72a TT |
47 | static inline void print_err_status(struct tm6000_core *dev, |
48 | int packet, int status) | |
08e60ba0 SR |
49 | { |
50 | char *errmsg = "Unknown"; | |
51 | ||
52e0a72a | 52 | switch (status) { |
08e60ba0 SR |
53 | case -ENOENT: |
54 | errmsg = "unlinked synchronuously"; | |
55 | break; | |
56 | case -ECONNRESET: | |
57 | errmsg = "unlinked asynchronuously"; | |
58 | break; | |
59 | case -ENOSR: | |
60 | errmsg = "Buffer error (overrun)"; | |
61 | break; | |
62 | case -EPIPE: | |
63 | errmsg = "Stalled (device not responding)"; | |
64 | break; | |
65 | case -EOVERFLOW: | |
66 | errmsg = "Babble (bad cable?)"; | |
67 | break; | |
68 | case -EPROTO: | |
69 | errmsg = "Bit-stuff error (bad cable?)"; | |
70 | break; | |
71 | case -EILSEQ: | |
72 | errmsg = "CRC/Timeout (could be anything)"; | |
73 | break; | |
74 | case -ETIME: | |
75 | errmsg = "Device does not respond"; | |
76 | break; | |
77 | } | |
52e0a72a | 78 | if (packet < 0) { |
08e60ba0 SR |
79 | dprintk(dev, 1, "URB status %d [%s].\n", |
80 | status, errmsg); | |
81 | } else { | |
82 | dprintk(dev, 1, "URB packet %d, status %d [%s].\n", | |
83 | packet, status, errmsg); | |
84 | } | |
85 | } | |
86 | ||
3169c9b2 ML |
87 | static void tm6000_urb_received(struct urb *urb) |
88 | { | |
89 | int ret; | |
52e0a72a | 90 | struct tm6000_core *dev = urb->context; |
3169c9b2 | 91 | |
de2a20ba SR |
92 | switch (urb->status) { |
93 | case 0: | |
94 | case -ETIMEDOUT: | |
95 | break; | |
96 | case -ENOENT: | |
97 | case -ECONNRESET: | |
98 | case -ESHUTDOWN: | |
99 | return; | |
100 | default: | |
52e0a72a | 101 | print_err_status(dev, 0, urb->status); |
de2a20ba SR |
102 | } |
103 | ||
104 | if (urb->actual_length > 0) | |
3169c9b2 ML |
105 | dvb_dmx_swfilter(&dev->dvb->demux, urb->transfer_buffer, |
106 | urb->actual_length); | |
3169c9b2 | 107 | |
52e0a72a | 108 | if (dev->dvb->streams > 0) { |
3169c9b2 | 109 | ret = usb_submit_urb(urb, GFP_ATOMIC); |
52e0a72a | 110 | if (ret < 0) { |
94b27661 | 111 | printk(KERN_ERR "tm6000: error %s\n", __func__); |
3169c9b2 ML |
112 | kfree(urb->transfer_buffer); |
113 | usb_free_urb(urb); | |
114 | } | |
115 | } | |
116 | } | |
117 | ||
3d1a51db | 118 | static int tm6000_start_stream(struct tm6000_core *dev) |
3169c9b2 ML |
119 | { |
120 | int ret; | |
08e60ba0 | 121 | unsigned int pipe, size; |
3169c9b2 ML |
122 | struct tm6000_dvb *dvb = dev->dvb; |
123 | ||
94b27661 | 124 | printk(KERN_INFO "tm6000: got start stream request %s\n", __func__); |
3169c9b2 | 125 | |
dcf5d3aa SR |
126 | if (dev->mode != TM6000_MODE_DIGITAL) { |
127 | tm6000_init_digital_mode(dev); | |
128 | dev->mode = TM6000_MODE_DIGITAL; | |
129 | } | |
3169c9b2 | 130 | |
3169c9b2 | 131 | dvb->bulk_urb = usb_alloc_urb(0, GFP_KERNEL); |
52e0a72a | 132 | if (dvb->bulk_urb == NULL) { |
3169c9b2 ML |
133 | printk(KERN_ERR "tm6000: couldn't allocate urb\n"); |
134 | return -ENOMEM; | |
135 | } | |
136 | ||
6ae635c4 | 137 | pipe = usb_rcvbulkpipe(dev->udev, dev->bulk_in.endp->desc.bEndpointAddress |
08e60ba0 SR |
138 | & USB_ENDPOINT_NUMBER_MASK); |
139 | ||
140 | size = usb_maxpacket(dev->udev, pipe, usb_pipeout(pipe)); | |
141 | size = size * 15; /* 512 x 8 or 12 or 15 */ | |
3169c9b2 | 142 | |
08e60ba0 | 143 | dvb->bulk_urb->transfer_buffer = kzalloc(size, GFP_KERNEL); |
52e0a72a | 144 | if (dvb->bulk_urb->transfer_buffer == NULL) { |
3169c9b2 ML |
145 | usb_free_urb(dvb->bulk_urb); |
146 | printk(KERN_ERR "tm6000: couldn't allocate transfer buffer!\n"); | |
147 | return -ENOMEM; | |
148 | } | |
149 | ||
3169c9b2 ML |
150 | usb_fill_bulk_urb(dvb->bulk_urb, dev->udev, pipe, |
151 | dvb->bulk_urb->transfer_buffer, | |
08e60ba0 | 152 | size, |
3169c9b2 | 153 | tm6000_urb_received, dev); |
4386136d | 154 | |
3169c9b2 | 155 | ret = usb_clear_halt(dev->udev, pipe); |
52e0a72a TT |
156 | if (ret < 0) { |
157 | printk(KERN_ERR "tm6000: error %i in %s during pipe reset\n", | |
94b27661 | 158 | ret, __func__); |
4386136d | 159 | return ret; |
52e0a72a | 160 | } else |
3169c9b2 | 161 | printk(KERN_ERR "tm6000: pipe resetted\n"); |
3169c9b2 | 162 | |
08e60ba0 | 163 | /* mutex_lock(&tm6000_driver.open_close_mutex); */ |
de2a20ba | 164 | ret = usb_submit_urb(dvb->bulk_urb, GFP_ATOMIC); |
3169c9b2 | 165 | |
08e60ba0 | 166 | /* mutex_unlock(&tm6000_driver.open_close_mutex); */ |
3169c9b2 | 167 | if (ret) { |
52e0a72a TT |
168 | printk(KERN_ERR "tm6000: submit of urb failed (error=%i)\n", |
169 | ret); | |
3169c9b2 ML |
170 | |
171 | kfree(dvb->bulk_urb->transfer_buffer); | |
172 | usb_free_urb(dvb->bulk_urb); | |
173 | return ret; | |
174 | } | |
175 | ||
176 | return 0; | |
177 | } | |
178 | ||
3d1a51db | 179 | static void tm6000_stop_stream(struct tm6000_core *dev) |
3169c9b2 ML |
180 | { |
181 | struct tm6000_dvb *dvb = dev->dvb; | |
182 | ||
52e0a72a TT |
183 | if (dvb->bulk_urb) { |
184 | printk(KERN_INFO "urb killing\n"); | |
3169c9b2 | 185 | usb_kill_urb(dvb->bulk_urb); |
52e0a72a | 186 | printk(KERN_INFO "urb buffer free\n"); |
3169c9b2 ML |
187 | kfree(dvb->bulk_urb->transfer_buffer); |
188 | usb_free_urb(dvb->bulk_urb); | |
189 | dvb->bulk_urb = NULL; | |
190 | } | |
191 | } | |
192 | ||
3d1a51db | 193 | static int tm6000_start_feed(struct dvb_demux_feed *feed) |
3169c9b2 ML |
194 | { |
195 | struct dvb_demux *demux = feed->demux; | |
196 | struct tm6000_core *dev = demux->priv; | |
197 | struct tm6000_dvb *dvb = dev->dvb; | |
94b27661 | 198 | printk(KERN_INFO "tm6000: got start feed request %s\n", __func__); |
3169c9b2 ML |
199 | |
200 | mutex_lock(&dvb->mutex); | |
52e0a72a | 201 | if (dvb->streams == 0) { |
3169c9b2 | 202 | dvb->streams = 1; |
08e60ba0 | 203 | /* mutex_init(&tm6000_dev->streming_mutex); */ |
3169c9b2 | 204 | tm6000_start_stream(dev); |
52e0a72a | 205 | } else |
3169c9b2 | 206 | ++(dvb->streams); |
3169c9b2 ML |
207 | mutex_unlock(&dvb->mutex); |
208 | ||
209 | return 0; | |
210 | } | |
211 | ||
3d1a51db | 212 | static int tm6000_stop_feed(struct dvb_demux_feed *feed) |
52e0a72a | 213 | { |
3169c9b2 ML |
214 | struct dvb_demux *demux = feed->demux; |
215 | struct tm6000_core *dev = demux->priv; | |
216 | struct tm6000_dvb *dvb = dev->dvb; | |
217 | ||
94b27661 | 218 | printk(KERN_INFO "tm6000: got stop feed request %s\n", __func__); |
3169c9b2 ML |
219 | |
220 | mutex_lock(&dvb->mutex); | |
3169c9b2 | 221 | |
52e0a72a | 222 | printk(KERN_INFO "stream %#x\n", dvb->streams); |
08e60ba0 | 223 | --(dvb->streams); |
52e0a72a TT |
224 | if (dvb->streams == 0) { |
225 | printk(KERN_INFO "stop stream\n"); | |
3169c9b2 | 226 | tm6000_stop_stream(dev); |
08e60ba0 | 227 | /* mutex_destroy(&tm6000_dev->streaming_mutex); */ |
3169c9b2 ML |
228 | } |
229 | mutex_unlock(&dvb->mutex); | |
08e60ba0 | 230 | /* mutex_destroy(&tm6000_dev->streaming_mutex); */ |
3169c9b2 ML |
231 | |
232 | return 0; | |
233 | } | |
234 | ||
3d1a51db | 235 | static int tm6000_dvb_attach_frontend(struct tm6000_core *dev) |
3169c9b2 ML |
236 | { |
237 | struct tm6000_dvb *dvb = dev->dvb; | |
238 | ||
52e0a72a TT |
239 | if (dev->caps.has_zl10353) { |
240 | struct zl10353_config config = { | |
241 | .demod_address = dev->demod_addr, | |
3169c9b2 | 242 | .no_tuner = 1, |
08e60ba0 SR |
243 | .parallel_ts = 1, |
244 | .if2 = 45700, | |
245 | .disable_i2c_gate_ctrl = 1, | |
3169c9b2 ML |
246 | }; |
247 | ||
89eeda67 | 248 | dvb->frontend = dvb_attach(zl10353_attach, &config, |
3169c9b2 | 249 | &dev->i2c_adap); |
52e0a72a | 250 | } else { |
3169c9b2 ML |
251 | printk(KERN_ERR "tm6000: no frontend defined for the device!\n"); |
252 | return -1; | |
253 | } | |
254 | ||
70bfae5a | 255 | return (!dvb->frontend) ? -1 : 0; |
3169c9b2 ML |
256 | } |
257 | ||
1b4c5b1f MM |
258 | DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr); |
259 | ||
3d1a51db | 260 | static int register_dvb(struct tm6000_core *dev) |
3169c9b2 ML |
261 | { |
262 | int ret = -1; | |
263 | struct tm6000_dvb *dvb = dev->dvb; | |
264 | ||
265 | mutex_init(&dvb->mutex); | |
266 | ||
267 | dvb->streams = 0; | |
268 | ||
269 | /* attach the frontend */ | |
270 | ret = tm6000_dvb_attach_frontend(dev); | |
52e0a72a | 271 | if (ret < 0) { |
3169c9b2 | 272 | printk(KERN_ERR "tm6000: couldn't attach the frontend!\n"); |
70bfae5a | 273 | goto err; |
3169c9b2 ML |
274 | } |
275 | ||
276 | ret = dvb_register_adapter(&dvb->adapter, "Trident TVMaster 6000 DVB-T", | |
52e0a72a | 277 | THIS_MODULE, &dev->udev->dev, adapter_nr); |
3169c9b2 ML |
278 | dvb->adapter.priv = dev; |
279 | ||
5b74c2c7 | 280 | if (dvb->frontend) { |
7e2d9820 SR |
281 | switch (dev->tuner_type) { |
282 | case TUNER_XC2028: { | |
283 | struct xc2028_config cfg = { | |
284 | .i2c_adap = &dev->i2c_adap, | |
285 | .i2c_addr = dev->tuner_addr, | |
286 | }; | |
287 | ||
288 | dvb->frontend->callback = tm6000_tuner_callback; | |
289 | ret = dvb_register_frontend(&dvb->adapter, dvb->frontend); | |
290 | if (ret < 0) { | |
291 | printk(KERN_ERR | |
292 | "tm6000: couldn't register frontend\n"); | |
293 | goto adapter_err; | |
294 | } | |
295 | ||
296 | if (!dvb_attach(xc2028_attach, dvb->frontend, &cfg)) { | |
297 | printk(KERN_ERR "tm6000: couldn't register " | |
298 | "frontend (xc3028)\n"); | |
299 | ret = -EINVAL; | |
300 | goto frontend_err; | |
301 | } | |
302 | printk(KERN_INFO "tm6000: XC2028/3028 asked to be " | |
303 | "attached to frontend!\n"); | |
304 | break; | |
305 | } | |
306 | case TUNER_XC5000: { | |
307 | struct xc5000_config cfg = { | |
308 | .i2c_address = dev->tuner_addr, | |
309 | }; | |
310 | ||
311 | dvb->frontend->callback = tm6000_xc5000_callback; | |
312 | ret = dvb_register_frontend(&dvb->adapter, dvb->frontend); | |
313 | if (ret < 0) { | |
314 | printk(KERN_ERR | |
315 | "tm6000: couldn't register frontend\n"); | |
316 | goto adapter_err; | |
317 | } | |
318 | ||
319 | if (!dvb_attach(xc5000_attach, dvb->frontend, &dev->i2c_adap, &cfg)) { | |
320 | printk(KERN_ERR "tm6000: couldn't register " | |
321 | "frontend (xc5000)\n"); | |
322 | ret = -EINVAL; | |
323 | goto frontend_err; | |
324 | } | |
325 | printk(KERN_INFO "tm6000: XC5000 asked to be " | |
326 | "attached to frontend!\n"); | |
327 | break; | |
328 | } | |
3169c9b2 | 329 | } |
52e0a72a | 330 | } else |
5b74c2c7 | 331 | printk(KERN_ERR "tm6000: no frontend found\n"); |
3169c9b2 ML |
332 | |
333 | dvb->demux.dmx.capabilities = DMX_TS_FILTERING | DMX_SECTION_FILTERING | |
334 | | DMX_MEMORY_BASED_FILTERING; | |
335 | dvb->demux.priv = dev; | |
38d75a79 SR |
336 | dvb->demux.filternum = 8; |
337 | dvb->demux.feednum = 8; | |
3169c9b2 ML |
338 | dvb->demux.start_feed = tm6000_start_feed; |
339 | dvb->demux.stop_feed = tm6000_stop_feed; | |
340 | dvb->demux.write_to_decoder = NULL; | |
341 | ret = dvb_dmx_init(&dvb->demux); | |
52e0a72a | 342 | if (ret < 0) { |
45dbf0db | 343 | printk(KERN_ERR "tm6000: dvb_dmx_init failed (errno = %d)\n", ret); |
3169c9b2 ML |
344 | goto frontend_err; |
345 | } | |
346 | ||
347 | dvb->dmxdev.filternum = dev->dvb->demux.filternum; | |
348 | dvb->dmxdev.demux = &dev->dvb->demux.dmx; | |
349 | dvb->dmxdev.capabilities = 0; | |
350 | ||
351 | ret = dvb_dmxdev_init(&dvb->dmxdev, &dvb->adapter); | |
52e0a72a | 352 | if (ret < 0) { |
45dbf0db | 353 | printk(KERN_ERR "tm6000: dvb_dmxdev_init failed (errno = %d)\n", ret); |
3169c9b2 ML |
354 | goto dvb_dmx_err; |
355 | } | |
356 | ||
357 | return 0; | |
358 | ||
359 | dvb_dmx_err: | |
360 | dvb_dmx_release(&dvb->demux); | |
361 | frontend_err: | |
52e0a72a | 362 | if (dvb->frontend) { |
3169c9b2 | 363 | dvb_unregister_frontend(dvb->frontend); |
afca99a2 | 364 | dvb_frontend_detach(dvb->frontend); |
3169c9b2 ML |
365 | } |
366 | adapter_err: | |
367 | dvb_unregister_adapter(&dvb->adapter); | |
368 | err: | |
369 | return ret; | |
370 | } | |
371 | ||
3d1a51db | 372 | static void unregister_dvb(struct tm6000_core *dev) |
3169c9b2 ML |
373 | { |
374 | struct tm6000_dvb *dvb = dev->dvb; | |
375 | ||
52e0a72a | 376 | if (dvb->bulk_urb != NULL) { |
3169c9b2 ML |
377 | struct urb *bulk_urb = dvb->bulk_urb; |
378 | ||
379 | kfree(bulk_urb->transfer_buffer); | |
380 | bulk_urb->transfer_buffer = NULL; | |
381 | usb_unlink_urb(bulk_urb); | |
382 | usb_free_urb(bulk_urb); | |
383 | } | |
384 | ||
08e60ba0 | 385 | /* mutex_lock(&tm6000_driver.open_close_mutex); */ |
52e0a72a | 386 | if (dvb->frontend) { |
3169c9b2 | 387 | dvb_unregister_frontend(dvb->frontend); |
afca99a2 | 388 | dvb_frontend_detach(dvb->frontend); |
3169c9b2 ML |
389 | } |
390 | ||
391 | dvb_dmxdev_release(&dvb->dmxdev); | |
392 | dvb_dmx_release(&dvb->demux); | |
393 | dvb_unregister_adapter(&dvb->adapter); | |
394 | mutex_destroy(&dvb->mutex); | |
08e60ba0 | 395 | /* mutex_unlock(&tm6000_driver.open_close_mutex); */ |
3169c9b2 | 396 | } |
cee3926f SR |
397 | |
398 | static int dvb_init(struct tm6000_core *dev) | |
399 | { | |
400 | struct tm6000_dvb *dvb; | |
401 | int rc; | |
402 | ||
403 | if (!dev) | |
404 | return 0; | |
405 | ||
406 | if (!dev->caps.has_dvb) | |
407 | return 0; | |
408 | ||
c81c0060 | 409 | if (dev->udev->speed == USB_SPEED_FULL) { |
410 | printk(KERN_INFO "This USB2.0 device cannot be run on a USB1.1 port. (it lacks a hardware PID filter)\n"); | |
411 | return 0; | |
412 | } | |
413 | ||
cee3926f SR |
414 | dvb = kzalloc(sizeof(struct tm6000_dvb), GFP_KERNEL); |
415 | if (!dvb) { | |
416 | printk(KERN_INFO "Cannot allocate memory\n"); | |
417 | return -ENOMEM; | |
418 | } | |
419 | ||
420 | dev->dvb = dvb; | |
421 | ||
422 | rc = register_dvb(dev); | |
423 | if (rc < 0) { | |
424 | kfree(dvb); | |
425 | dev->dvb = NULL; | |
426 | return 0; | |
427 | } | |
428 | ||
429 | return 0; | |
430 | } | |
431 | ||
432 | static int dvb_fini(struct tm6000_core *dev) | |
433 | { | |
434 | if (!dev) | |
435 | return 0; | |
436 | ||
437 | if (!dev->caps.has_dvb) | |
438 | return 0; | |
439 | ||
440 | if (dev->dvb) { | |
441 | unregister_dvb(dev); | |
442 | kfree(dev->dvb); | |
443 | dev->dvb = NULL; | |
444 | } | |
445 | ||
446 | return 0; | |
447 | } | |
448 | ||
449 | static struct tm6000_ops dvb_ops = { | |
39e1256b | 450 | .type = TM6000_DVB, |
cee3926f SR |
451 | .name = "TM6000 dvb Extension", |
452 | .init = dvb_init, | |
453 | .fini = dvb_fini, | |
454 | }; | |
455 | ||
456 | static int __init tm6000_dvb_register(void) | |
457 | { | |
458 | return tm6000_register_extension(&dvb_ops); | |
459 | } | |
460 | ||
461 | static void __exit tm6000_dvb_unregister(void) | |
462 | { | |
463 | tm6000_unregister_extension(&dvb_ops); | |
464 | } | |
465 | ||
466 | module_init(tm6000_dvb_register); | |
467 | module_exit(tm6000_dvb_unregister); |