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22#include <linux/module.h>
23#include <linux/slab.h>
24#include <linux/init.h>
25#include <linux/device.h>
26#include <linux/suspend.h>
27#include <media/v4l2-common.h>
28#include <media/tuner.h>
29
30#include "au0828.h"
31#include "au8522.h"
32#include "xc5000.h"
33#include "mxl5007t.h"
34#include "tda18271.h"
35
36static int preallocate_big_buffers;
37module_param_named(preallocate_big_buffers, preallocate_big_buffers, int, 0644);
38MODULE_PARM_DESC(preallocate_big_buffers, "Preallocate the larger transfer buffers at module load time");
39
40DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
41
42#define _AU0828_BULKPIPE 0x83
43#define _BULKPIPESIZE 0xe522
44
45static u8 hauppauge_hvr950q_led_states[] = {
46 0x00,
47 0x02,
48 0x04,
49};
50
51static struct au8522_led_config hauppauge_hvr950q_led_cfg = {
52 .gpio_output = 0x00e0,
53 .gpio_output_enable = 0x6006,
54 .gpio_output_disable = 0x0660,
55
56 .gpio_leds = 0x00e2,
57 .led_states = hauppauge_hvr950q_led_states,
58 .num_led_states = sizeof(hauppauge_hvr950q_led_states),
59
60 .vsb8_strong = 20 * 10,
61 .qam64_strong = 25 * 10,
62 .qam256_strong = 32 * 10,
63};
64
65static struct au8522_config hauppauge_hvr950q_config = {
66 .demod_address = 0x8e >> 1,
67 .status_mode = AU8522_DEMODLOCKING,
68 .qam_if = AU8522_IF_6MHZ,
69 .vsb_if = AU8522_IF_6MHZ,
70 .led_cfg = &hauppauge_hvr950q_led_cfg,
71};
72
73static struct au8522_config fusionhdtv7usb_config = {
74 .demod_address = 0x8e >> 1,
75 .status_mode = AU8522_DEMODLOCKING,
76 .qam_if = AU8522_IF_6MHZ,
77 .vsb_if = AU8522_IF_6MHZ,
78};
79
80static struct au8522_config hauppauge_woodbury_config = {
81 .demod_address = 0x8e >> 1,
82 .status_mode = AU8522_DEMODLOCKING,
83 .qam_if = AU8522_IF_4MHZ,
84 .vsb_if = AU8522_IF_3_25MHZ,
85};
86
87static struct xc5000_config hauppauge_xc5000a_config = {
88 .i2c_address = 0x61,
89 .if_khz = 6000,
90 .chip_id = XC5000A,
91};
92
93static struct xc5000_config hauppauge_xc5000c_config = {
94 .i2c_address = 0x61,
95 .if_khz = 6000,
96 .chip_id = XC5000C,
97};
98
99static struct mxl5007t_config mxl5007t_hvr950q_config = {
100 .xtal_freq_hz = MxL_XTAL_24_MHZ,
101 .if_freq_hz = MxL_IF_6_MHZ,
102};
103
104static struct tda18271_config hauppauge_woodbury_tunerconfig = {
105 .gate = TDA18271_GATE_DIGITAL,
106};
107
108static void au0828_restart_dvb_streaming(struct work_struct *work);
109
110
111static void urb_completion(struct urb *purb)
112{
113 struct au0828_dev *dev = purb->context;
114 int ptype = usb_pipetype(purb->pipe);
115 unsigned char *ptr;
116
117 dprintk(2, "%s: %d\n", __func__, purb->actual_length);
118
119 if (!dev) {
120 dprintk(2, "%s: no dev!\n", __func__);
121 return;
122 }
123
124 if (dev->urb_streaming == 0) {
125 dprintk(2, "%s: not streaming!\n", __func__);
126 return;
127 }
128
129 if (ptype != PIPE_BULK) {
130 printk(KERN_ERR "%s: Unsupported URB type %d\n",
131 __func__, ptype);
132 return;
133 }
134
135
136
137 ptr = purb->transfer_buffer;
138 if (purb->actual_length > 0 && ptr[0] != 0x47) {
139 dprintk(1, "Need to restart streaming %02x len=%d!\n",
140 ptr[0], purb->actual_length);
141 schedule_work(&dev->restart_streaming);
142 return;
143 }
144
145
146 dvb_dmx_swfilter_packets(&dev->dvb.demux,
147 purb->transfer_buffer, purb->actual_length / 188);
148
149
150 memset(purb->transfer_buffer, 0, URB_BUFSIZE);
151
152
153 usb_submit_urb(purb, GFP_ATOMIC);
154}
155
156static int stop_urb_transfer(struct au0828_dev *dev)
157{
158 int i;
159
160 dprintk(2, "%s()\n", __func__);
161
162 dev->urb_streaming = 0;
163 for (i = 0; i < URB_COUNT; i++) {
164 if (dev->urbs[i]) {
165 usb_kill_urb(dev->urbs[i]);
166 if (!preallocate_big_buffers)
167 kfree(dev->urbs[i]->transfer_buffer);
168
169 usb_free_urb(dev->urbs[i]);
170 }
171 }
172
173 return 0;
174}
175
176static int start_urb_transfer(struct au0828_dev *dev)
177{
178 struct urb *purb;
179 int i, ret = -ENOMEM;
180
181 dprintk(2, "%s()\n", __func__);
182
183 if (dev->urb_streaming) {
184 dprintk(2, "%s: bulk xfer already running!\n", __func__);
185 return 0;
186 }
187
188 for (i = 0; i < URB_COUNT; i++) {
189
190 dev->urbs[i] = usb_alloc_urb(0, GFP_KERNEL);
191 if (!dev->urbs[i])
192 goto err;
193
194 purb = dev->urbs[i];
195
196 if (preallocate_big_buffers)
197 purb->transfer_buffer = dev->dig_transfer_buffer[i];
198 else
199 purb->transfer_buffer = kzalloc(URB_BUFSIZE,
200 GFP_KERNEL);
201
202 if (!purb->transfer_buffer) {
203 usb_free_urb(purb);
204 dev->urbs[i] = NULL;
205 printk(KERN_ERR
206 "%s: failed big buffer allocation, err = %d\n",
207 __func__, ret);
208 goto err;
209 }
210
211 purb->status = -EINPROGRESS;
212 usb_fill_bulk_urb(purb,
213 dev->usbdev,
214 usb_rcvbulkpipe(dev->usbdev,
215 _AU0828_BULKPIPE),
216 purb->transfer_buffer,
217 URB_BUFSIZE,
218 urb_completion,
219 dev);
220
221 }
222
223 for (i = 0; i < URB_COUNT; i++) {
224 ret = usb_submit_urb(dev->urbs[i], GFP_ATOMIC);
225 if (ret != 0) {
226 stop_urb_transfer(dev);
227 printk(KERN_ERR "%s: failed urb submission, "
228 "err = %d\n", __func__, ret);
229 return ret;
230 }
231 }
232
233 dev->urb_streaming = 1;
234 ret = 0;
235
236err:
237 return ret;
238}
239
240static void au0828_start_transport(struct au0828_dev *dev)
241{
242 au0828_write(dev, 0x608, 0x90);
243 au0828_write(dev, 0x609, 0x72);
244 au0828_write(dev, 0x60a, 0x71);
245 au0828_write(dev, 0x60b, 0x01);
246
247}
248
249static void au0828_stop_transport(struct au0828_dev *dev, int full_stop)
250{
251 if (full_stop) {
252 au0828_write(dev, 0x608, 0x00);
253 au0828_write(dev, 0x609, 0x00);
254 au0828_write(dev, 0x60a, 0x00);
255 }
256 au0828_write(dev, 0x60b, 0x00);
257}
258
259static int au0828_dvb_start_feed(struct dvb_demux_feed *feed)
260{
261 struct dvb_demux *demux = feed->demux;
262 struct au0828_dev *dev = (struct au0828_dev *) demux->priv;
263 struct au0828_dvb *dvb = &dev->dvb;
264 int ret = 0;
265
266 dprintk(1, "%s()\n", __func__);
267
268 if (!demux->dmx.frontend)
269 return -EINVAL;
270
271 if (dvb) {
272 mutex_lock(&dvb->lock);
273 dvb->start_count++;
274 dprintk(1, "%s(), start_count: %d, stop_count: %d\n", __func__,
275 dvb->start_count, dvb->stop_count);
276 if (dvb->feeding++ == 0) {
277
278 au0828_start_transport(dev);
279 ret = start_urb_transfer(dev);
280 if (ret < 0) {
281 au0828_stop_transport(dev, 0);
282 dvb->feeding--;
283 }
284 }
285 mutex_unlock(&dvb->lock);
286 }
287
288 return ret;
289}
290
291static int au0828_dvb_stop_feed(struct dvb_demux_feed *feed)
292{
293 struct dvb_demux *demux = feed->demux;
294 struct au0828_dev *dev = (struct au0828_dev *) demux->priv;
295 struct au0828_dvb *dvb = &dev->dvb;
296 int ret = 0;
297
298 dprintk(1, "%s()\n", __func__);
299
300 if (dvb) {
301 cancel_work_sync(&dev->restart_streaming);
302
303 mutex_lock(&dvb->lock);
304 dvb->stop_count++;
305 dprintk(1, "%s(), start_count: %d, stop_count: %d\n", __func__,
306 dvb->start_count, dvb->stop_count);
307 if (dvb->feeding > 0) {
308 dvb->feeding--;
309 if (dvb->feeding == 0) {
310
311 ret = stop_urb_transfer(dev);
312 au0828_stop_transport(dev, 0);
313 }
314 }
315 mutex_unlock(&dvb->lock);
316 }
317
318 return ret;
319}
320
321static void au0828_restart_dvb_streaming(struct work_struct *work)
322{
323 struct au0828_dev *dev = container_of(work, struct au0828_dev,
324 restart_streaming);
325 struct au0828_dvb *dvb = &dev->dvb;
326
327 if (dev->urb_streaming == 0)
328 return;
329
330 dprintk(1, "Restarting streaming...!\n");
331
332 mutex_lock(&dvb->lock);
333
334
335 stop_urb_transfer(dev);
336 au0828_stop_transport(dev, 1);
337
338
339 au0828_start_transport(dev);
340 start_urb_transfer(dev);
341
342 mutex_unlock(&dvb->lock);
343}
344
345static int au0828_set_frontend(struct dvb_frontend *fe)
346{
347 struct au0828_dev *dev = fe->dvb->priv;
348 struct au0828_dvb *dvb = &dev->dvb;
349 int ret, was_streaming;
350
351 mutex_lock(&dvb->lock);
352 was_streaming = dev->urb_streaming;
353 if (was_streaming) {
354 au0828_stop_transport(dev, 1);
355
356
357
358
359
360 mutex_unlock(&dvb->lock);
361 cancel_work_sync(&dev->restart_streaming);
362 mutex_lock(&dvb->lock);
363
364 stop_urb_transfer(dev);
365 }
366 mutex_unlock(&dvb->lock);
367
368 ret = dvb->set_frontend(fe);
369
370 if (was_streaming) {
371 mutex_lock(&dvb->lock);
372 au0828_start_transport(dev);
373 start_urb_transfer(dev);
374 mutex_unlock(&dvb->lock);
375 }
376
377 return ret;
378}
379
380static int dvb_register(struct au0828_dev *dev)
381{
382 struct au0828_dvb *dvb = &dev->dvb;
383 int result;
384
385 dprintk(1, "%s()\n", __func__);
386
387 if (preallocate_big_buffers) {
388 int i;
389 for (i = 0; i < URB_COUNT; i++) {
390 dev->dig_transfer_buffer[i] = kzalloc(URB_BUFSIZE,
391 GFP_KERNEL);
392
393 if (!dev->dig_transfer_buffer[i]) {
394 result = -ENOMEM;
395
396 printk(KERN_ERR
397 "%s: failed buffer allocation (errno = %d)\n",
398 DRIVER_NAME, result);
399 goto fail_adapter;
400 }
401 }
402 }
403
404 INIT_WORK(&dev->restart_streaming, au0828_restart_dvb_streaming);
405
406
407 result = dvb_register_adapter(&dvb->adapter, DRIVER_NAME, THIS_MODULE,
408 &dev->usbdev->dev, adapter_nr);
409 if (result < 0) {
410 printk(KERN_ERR "%s: dvb_register_adapter failed "
411 "(errno = %d)\n", DRIVER_NAME, result);
412 goto fail_adapter;
413 }
414 dvb->adapter.priv = dev;
415
416
417 result = dvb_register_frontend(&dvb->adapter, dvb->frontend);
418 if (result < 0) {
419 printk(KERN_ERR "%s: dvb_register_frontend failed "
420 "(errno = %d)\n", DRIVER_NAME, result);
421 goto fail_frontend;
422 }
423
424
425 dvb->set_frontend = dvb->frontend->ops.set_frontend;
426 dvb->frontend->ops.set_frontend = au0828_set_frontend;
427
428
429 dvb->demux.dmx.capabilities =
430 DMX_TS_FILTERING | DMX_SECTION_FILTERING |
431 DMX_MEMORY_BASED_FILTERING;
432 dvb->demux.priv = dev;
433 dvb->demux.filternum = 256;
434 dvb->demux.feednum = 256;
435 dvb->demux.start_feed = au0828_dvb_start_feed;
436 dvb->demux.stop_feed = au0828_dvb_stop_feed;
437 result = dvb_dmx_init(&dvb->demux);
438 if (result < 0) {
439 printk(KERN_ERR "%s: dvb_dmx_init failed (errno = %d)\n",
440 DRIVER_NAME, result);
441 goto fail_dmx;
442 }
443
444 dvb->dmxdev.filternum = 256;
445 dvb->dmxdev.demux = &dvb->demux.dmx;
446 dvb->dmxdev.capabilities = 0;
447 result = dvb_dmxdev_init(&dvb->dmxdev, &dvb->adapter);
448 if (result < 0) {
449 printk(KERN_ERR "%s: dvb_dmxdev_init failed (errno = %d)\n",
450 DRIVER_NAME, result);
451 goto fail_dmxdev;
452 }
453
454 dvb->fe_hw.source = DMX_FRONTEND_0;
455 result = dvb->demux.dmx.add_frontend(&dvb->demux.dmx, &dvb->fe_hw);
456 if (result < 0) {
457 printk(KERN_ERR "%s: add_frontend failed "
458 "(DMX_FRONTEND_0, errno = %d)\n", DRIVER_NAME, result);
459 goto fail_fe_hw;
460 }
461
462 dvb->fe_mem.source = DMX_MEMORY_FE;
463 result = dvb->demux.dmx.add_frontend(&dvb->demux.dmx, &dvb->fe_mem);
464 if (result < 0) {
465 printk(KERN_ERR "%s: add_frontend failed "
466 "(DMX_MEMORY_FE, errno = %d)\n", DRIVER_NAME, result);
467 goto fail_fe_mem;
468 }
469
470 result = dvb->demux.dmx.connect_frontend(&dvb->demux.dmx, &dvb->fe_hw);
471 if (result < 0) {
472 printk(KERN_ERR "%s: connect_frontend failed (errno = %d)\n",
473 DRIVER_NAME, result);
474 goto fail_fe_conn;
475 }
476
477
478 dvb_net_init(&dvb->adapter, &dvb->net, &dvb->demux.dmx);
479
480 dvb->start_count = 0;
481 dvb->stop_count = 0;
482 return 0;
483
484fail_fe_conn:
485 dvb->demux.dmx.remove_frontend(&dvb->demux.dmx, &dvb->fe_mem);
486fail_fe_mem:
487 dvb->demux.dmx.remove_frontend(&dvb->demux.dmx, &dvb->fe_hw);
488fail_fe_hw:
489 dvb_dmxdev_release(&dvb->dmxdev);
490fail_dmxdev:
491 dvb_dmx_release(&dvb->demux);
492fail_dmx:
493 dvb_unregister_frontend(dvb->frontend);
494fail_frontend:
495 dvb_frontend_detach(dvb->frontend);
496 dvb_unregister_adapter(&dvb->adapter);
497fail_adapter:
498
499 if (preallocate_big_buffers) {
500 int i;
501 for (i = 0; i < URB_COUNT; i++)
502 kfree(dev->dig_transfer_buffer[i]);
503 }
504
505 return result;
506}
507
508void au0828_dvb_unregister(struct au0828_dev *dev)
509{
510 struct au0828_dvb *dvb = &dev->dvb;
511
512 dprintk(1, "%s()\n", __func__);
513
514 if (dvb->frontend == NULL)
515 return;
516
517 cancel_work_sync(&dev->restart_streaming);
518
519 dvb_net_release(&dvb->net);
520 dvb->demux.dmx.remove_frontend(&dvb->demux.dmx, &dvb->fe_mem);
521 dvb->demux.dmx.remove_frontend(&dvb->demux.dmx, &dvb->fe_hw);
522 dvb_dmxdev_release(&dvb->dmxdev);
523 dvb_dmx_release(&dvb->demux);
524 dvb_unregister_frontend(dvb->frontend);
525 dvb_frontend_detach(dvb->frontend);
526 dvb_unregister_adapter(&dvb->adapter);
527
528 if (preallocate_big_buffers) {
529 int i;
530 for (i = 0; i < URB_COUNT; i++)
531 kfree(dev->dig_transfer_buffer[i]);
532 }
533
534
535}
536
537
538
539
540
541int au0828_dvb_register(struct au0828_dev *dev)
542{
543 struct au0828_dvb *dvb = &dev->dvb;
544 int ret;
545
546 dprintk(1, "%s()\n", __func__);
547
548
549 switch (dev->boardnr) {
550 case AU0828_BOARD_HAUPPAUGE_HVR850:
551 case AU0828_BOARD_HAUPPAUGE_HVR950Q:
552 dvb->frontend = dvb_attach(au8522_attach,
553 &hauppauge_hvr950q_config,
554 &dev->i2c_adap);
555 if (dvb->frontend != NULL)
556 switch (dev->board.tuner_type) {
557 default:
558 case TUNER_XC5000:
559 dvb_attach(xc5000_attach, dvb->frontend,
560 &dev->i2c_adap,
561 &hauppauge_xc5000a_config);
562 break;
563 case TUNER_XC5000C:
564 dvb_attach(xc5000_attach, dvb->frontend,
565 &dev->i2c_adap,
566 &hauppauge_xc5000c_config);
567 break;
568 }
569 break;
570 case AU0828_BOARD_HAUPPAUGE_HVR950Q_MXL:
571 dvb->frontend = dvb_attach(au8522_attach,
572 &hauppauge_hvr950q_config,
573 &dev->i2c_adap);
574 if (dvb->frontend != NULL)
575 dvb_attach(mxl5007t_attach, dvb->frontend,
576 &dev->i2c_adap, 0x60,
577 &mxl5007t_hvr950q_config);
578 break;
579 case AU0828_BOARD_HAUPPAUGE_WOODBURY:
580 dvb->frontend = dvb_attach(au8522_attach,
581 &hauppauge_woodbury_config,
582 &dev->i2c_adap);
583 if (dvb->frontend != NULL)
584 dvb_attach(tda18271_attach, dvb->frontend,
585 0x60, &dev->i2c_adap,
586 &hauppauge_woodbury_tunerconfig);
587 break;
588 case AU0828_BOARD_DVICO_FUSIONHDTV7:
589 dvb->frontend = dvb_attach(au8522_attach,
590 &fusionhdtv7usb_config,
591 &dev->i2c_adap);
592 if (dvb->frontend != NULL) {
593 dvb_attach(xc5000_attach, dvb->frontend,
594 &dev->i2c_adap,
595 &hauppauge_xc5000a_config);
596 }
597 break;
598 default:
599 printk(KERN_WARNING "The frontend of your DVB/ATSC card "
600 "isn't supported yet\n");
601 break;
602 }
603 if (NULL == dvb->frontend) {
604 printk(KERN_ERR "%s() Frontend initialization failed\n",
605 __func__);
606 return -1;
607 }
608
609 dvb->frontend->callback = au0828_tuner_callback;
610
611
612 ret = dvb_register(dev);
613 if (ret < 0) {
614 if (dvb->frontend->ops.release)
615 dvb->frontend->ops.release(dvb->frontend);
616 return ret;
617 }
618
619 return 0;
620}
621
