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25#include <linux/init.h>
26#include <linux/module.h>
27#include <linux/slab.h>
28#include <linux/usb.h>
29#include <linux/pci.h>
30#include <linux/input.h>
31#include <linux/dvb/frontend.h>
32#include <linux/mutex.h>
33
34#include "dmxdev.h"
35#include "dvb_demux.h"
36#include "dvb_net.h"
37
38#ifdef CONFIG_DVB_CINERGYT2_TUNING
39 #define STREAM_URB_COUNT (CONFIG_DVB_CINERGYT2_STREAM_URB_COUNT)
40 #define STREAM_BUF_SIZE (CONFIG_DVB_CINERGYT2_STREAM_BUF_SIZE)
41 #define QUERY_INTERVAL (CONFIG_DVB_CINERGYT2_QUERY_INTERVAL)
42 #ifdef CONFIG_DVB_CINERGYT2_ENABLE_RC_INPUT_DEVICE
43 #define RC_QUERY_INTERVAL (CONFIG_DVB_CINERGYT2_RC_QUERY_INTERVAL)
44 #define ENABLE_RC (1)
45 #endif
46#else
47 #define STREAM_URB_COUNT (32)
48 #define STREAM_BUF_SIZE (512)
49 #define ENABLE_RC (1)
50 #define RC_QUERY_INTERVAL (50)
51 #define QUERY_INTERVAL (333)
52#endif
53
54#define DRIVER_NAME "TerraTec/qanu USB2.0 Highspeed DVB-T Receiver"
55
56static int debug;
57module_param_named(debug, debug, int, 0644);
58MODULE_PARM_DESC(debug, "Turn on/off debugging (default:off).");
59
60#define dprintk(level, args...) \
61do { \
62 if ((debug & level)) { \
63 printk("%s: %s(): ", KBUILD_MODNAME, \
64 __FUNCTION__); \
65 printk(args); } \
66} while (0)
67
68enum cinergyt2_ep1_cmd {
69 CINERGYT2_EP1_PID_TABLE_RESET = 0x01,
70 CINERGYT2_EP1_PID_SETUP = 0x02,
71 CINERGYT2_EP1_CONTROL_STREAM_TRANSFER = 0x03,
72 CINERGYT2_EP1_SET_TUNER_PARAMETERS = 0x04,
73 CINERGYT2_EP1_GET_TUNER_STATUS = 0x05,
74 CINERGYT2_EP1_START_SCAN = 0x06,
75 CINERGYT2_EP1_CONTINUE_SCAN = 0x07,
76 CINERGYT2_EP1_GET_RC_EVENTS = 0x08,
77 CINERGYT2_EP1_SLEEP_MODE = 0x09
78};
79
80struct dvbt_set_parameters_msg {
81 uint8_t cmd;
82 uint32_t freq;
83 uint8_t bandwidth;
84 uint16_t tps;
85 uint8_t flags;
86} __attribute__((packed));
87
88struct dvbt_get_status_msg {
89 uint32_t freq;
90 uint8_t bandwidth;
91 uint16_t tps;
92 uint8_t flags;
93 uint16_t gain;
94 uint8_t snr;
95 uint32_t viterbi_error_rate;
96 uint32_t rs_error_rate;
97 uint32_t uncorrected_block_count;
98 uint8_t lock_bits;
99 uint8_t prev_lock_bits;
100} __attribute__((packed));
101
102static struct dvb_frontend_info cinergyt2_fe_info = {
103 .name = DRIVER_NAME,
104 .type = FE_OFDM,
105 .frequency_min = 174000000,
106 .frequency_max = 862000000,
107 .frequency_stepsize = 166667,
108 .caps = FE_CAN_INVERSION_AUTO | FE_CAN_FEC_1_2 | FE_CAN_FEC_2_3 |
109 FE_CAN_FEC_3_4 | FE_CAN_FEC_5_6 | FE_CAN_FEC_7_8 |
110 FE_CAN_FEC_AUTO |
111 FE_CAN_QPSK | FE_CAN_QAM_16 | FE_CAN_QAM_64 | FE_CAN_QAM_AUTO |
112 FE_CAN_TRANSMISSION_MODE_AUTO | FE_CAN_GUARD_INTERVAL_AUTO |
113 FE_CAN_HIERARCHY_AUTO | FE_CAN_RECOVER | FE_CAN_MUTE_TS
114};
115
116struct cinergyt2 {
117 struct dvb_demux demux;
118 struct usb_device *udev;
119 struct mutex sem;
120 struct dvb_adapter adapter;
121 struct dvb_device *fedev;
122 struct dmxdev dmxdev;
123 struct dvb_net dvbnet;
124
125 int streaming;
126 int sleeping;
127
128 struct dvbt_set_parameters_msg param;
129 struct dvbt_get_status_msg status;
130 struct work_struct query_work;
131
132 wait_queue_head_t poll_wq;
133 int pending_fe_events;
134 int disconnect_pending;
135 atomic_t inuse;
136
137 void *streambuf;
138 dma_addr_t streambuf_dmahandle;
139 struct urb *stream_urb [STREAM_URB_COUNT];
140
141#ifdef ENABLE_RC
142 struct input_dev *rc_input_dev;
143 char phys[64];
144 struct work_struct rc_query_work;
145 int rc_input_event;
146 u32 rc_last_code;
147 unsigned long last_event_jiffies;
148#endif
149};
150
151enum {
152 CINERGYT2_RC_EVENT_TYPE_NONE = 0x00,
153 CINERGYT2_RC_EVENT_TYPE_NEC = 0x01,
154 CINERGYT2_RC_EVENT_TYPE_RC5 = 0x02
155};
156
157struct cinergyt2_rc_event {
158 char type;
159 uint32_t value;
160} __attribute__((packed));
161
162static const uint32_t rc_keys[] = {
163 CINERGYT2_RC_EVENT_TYPE_NEC, 0xfe01eb04, KEY_POWER,
164 CINERGYT2_RC_EVENT_TYPE_NEC, 0xfd02eb04, KEY_1,
165 CINERGYT2_RC_EVENT_TYPE_NEC, 0xfc03eb04, KEY_2,
166 CINERGYT2_RC_EVENT_TYPE_NEC, 0xfb04eb04, KEY_3,
167 CINERGYT2_RC_EVENT_TYPE_NEC, 0xfa05eb04, KEY_4,
168 CINERGYT2_RC_EVENT_TYPE_NEC, 0xf906eb04, KEY_5,
169 CINERGYT2_RC_EVENT_TYPE_NEC, 0xf807eb04, KEY_6,
170 CINERGYT2_RC_EVENT_TYPE_NEC, 0xf708eb04, KEY_7,
171 CINERGYT2_RC_EVENT_TYPE_NEC, 0xf609eb04, KEY_8,
172 CINERGYT2_RC_EVENT_TYPE_NEC, 0xf50aeb04, KEY_9,
173 CINERGYT2_RC_EVENT_TYPE_NEC, 0xf30ceb04, KEY_0,
174 CINERGYT2_RC_EVENT_TYPE_NEC, 0xf40beb04, KEY_VIDEO,
175 CINERGYT2_RC_EVENT_TYPE_NEC, 0xf20deb04, KEY_REFRESH,
176 CINERGYT2_RC_EVENT_TYPE_NEC, 0xf10eeb04, KEY_SELECT,
177 CINERGYT2_RC_EVENT_TYPE_NEC, 0xf00feb04, KEY_EPG,
178 CINERGYT2_RC_EVENT_TYPE_NEC, 0xef10eb04, KEY_UP,
179 CINERGYT2_RC_EVENT_TYPE_NEC, 0xeb14eb04, KEY_DOWN,
180 CINERGYT2_RC_EVENT_TYPE_NEC, 0xee11eb04, KEY_LEFT,
181 CINERGYT2_RC_EVENT_TYPE_NEC, 0xec13eb04, KEY_RIGHT,
182 CINERGYT2_RC_EVENT_TYPE_NEC, 0xed12eb04, KEY_OK,
183 CINERGYT2_RC_EVENT_TYPE_NEC, 0xea15eb04, KEY_TEXT,
184 CINERGYT2_RC_EVENT_TYPE_NEC, 0xe916eb04, KEY_INFO,
185 CINERGYT2_RC_EVENT_TYPE_NEC, 0xe817eb04, KEY_RED,
186 CINERGYT2_RC_EVENT_TYPE_NEC, 0xe718eb04, KEY_GREEN,
187 CINERGYT2_RC_EVENT_TYPE_NEC, 0xe619eb04, KEY_YELLOW,
188 CINERGYT2_RC_EVENT_TYPE_NEC, 0xe51aeb04, KEY_BLUE,
189 CINERGYT2_RC_EVENT_TYPE_NEC, 0xe31ceb04, KEY_VOLUMEUP,
190 CINERGYT2_RC_EVENT_TYPE_NEC, 0xe11eeb04, KEY_VOLUMEDOWN,
191 CINERGYT2_RC_EVENT_TYPE_NEC, 0xe21deb04, KEY_MUTE,
192 CINERGYT2_RC_EVENT_TYPE_NEC, 0xe41beb04, KEY_CHANNELUP,
193 CINERGYT2_RC_EVENT_TYPE_NEC, 0xe01feb04, KEY_CHANNELDOWN,
194 CINERGYT2_RC_EVENT_TYPE_NEC, 0xbf40eb04, KEY_PAUSE,
195 CINERGYT2_RC_EVENT_TYPE_NEC, 0xb34ceb04, KEY_PLAY,
196 CINERGYT2_RC_EVENT_TYPE_NEC, 0xa758eb04, KEY_RECORD,
197 CINERGYT2_RC_EVENT_TYPE_NEC, 0xab54eb04, KEY_PREVIOUS,
198 CINERGYT2_RC_EVENT_TYPE_NEC, 0xb748eb04, KEY_STOP,
199 CINERGYT2_RC_EVENT_TYPE_NEC, 0xa35ceb04, KEY_NEXT
200};
201
202static int cinergyt2_command (struct cinergyt2 *cinergyt2,
203 char *send_buf, int send_buf_len,
204 char *recv_buf, int recv_buf_len)
205{
206 int actual_len;
207 char dummy;
208 int ret;
209
210 ret = usb_bulk_msg(cinergyt2->udev, usb_sndbulkpipe(cinergyt2->udev, 1),
211 send_buf, send_buf_len, &actual_len, 1000);
212
213 if (ret)
214 dprintk(1, "usb_bulk_msg (send) failed, err %i\n", ret);
215
216 if (!recv_buf)
217 recv_buf = &dummy;
218
219 ret = usb_bulk_msg(cinergyt2->udev, usb_rcvbulkpipe(cinergyt2->udev, 1),
220 recv_buf, recv_buf_len, &actual_len, 1000);
221
222 if (ret)
223 dprintk(1, "usb_bulk_msg (read) failed, err %i\n", ret);
224
225 return ret ? ret : actual_len;
226}
227
228static void cinergyt2_control_stream_transfer (struct cinergyt2 *cinergyt2, int enable)
229{
230 char buf [] = { CINERGYT2_EP1_CONTROL_STREAM_TRANSFER, enable ? 1 : 0 };
231 cinergyt2_command(cinergyt2, buf, sizeof(buf), NULL, 0);
232}
233
234static void cinergyt2_sleep (struct cinergyt2 *cinergyt2, int sleep)
235{
236 char buf [] = { CINERGYT2_EP1_SLEEP_MODE, sleep ? 1 : 0 };
237 cinergyt2_command(cinergyt2, buf, sizeof(buf), NULL, 0);
238 cinergyt2->sleeping = sleep;
239}
240
241static void cinergyt2_stream_irq (struct urb *urb, struct pt_regs *regs);
242
243static int cinergyt2_submit_stream_urb (struct cinergyt2 *cinergyt2, struct urb *urb)
244{
245 int err;
246
247 usb_fill_bulk_urb(urb,
248 cinergyt2->udev,
249 usb_rcvbulkpipe(cinergyt2->udev, 0x2),
250 urb->transfer_buffer,
251 STREAM_BUF_SIZE,
252 cinergyt2_stream_irq,
253 cinergyt2);
254
255 if ((err = usb_submit_urb(urb, GFP_ATOMIC)))
256 dprintk(1, "urb submission failed (err = %i)!\n", err);
257
258 return err;
259}
260
261static void cinergyt2_stream_irq (struct urb *urb, struct pt_regs *regs)
262{
263 struct cinergyt2 *cinergyt2 = urb->context;
264
265 if (urb->actual_length > 0)
266 dvb_dmx_swfilter(&cinergyt2->demux,
267 urb->transfer_buffer, urb->actual_length);
268
269 if (cinergyt2->streaming)
270 cinergyt2_submit_stream_urb(cinergyt2, urb);
271}
272
273static void cinergyt2_free_stream_urbs (struct cinergyt2 *cinergyt2)
274{
275 int i;
276
277 for (i=0; i<STREAM_URB_COUNT; i++)
278 if (cinergyt2->stream_urb[i])
279 usb_free_urb(cinergyt2->stream_urb[i]);
280
281 usb_buffer_free(cinergyt2->udev, STREAM_URB_COUNT*STREAM_BUF_SIZE,
282 cinergyt2->streambuf, cinergyt2->streambuf_dmahandle);
283}
284
285static int cinergyt2_alloc_stream_urbs (struct cinergyt2 *cinergyt2)
286{
287 int i;
288
289 cinergyt2->streambuf = usb_buffer_alloc(cinergyt2->udev, STREAM_URB_COUNT*STREAM_BUF_SIZE,
290 SLAB_KERNEL, &cinergyt2->streambuf_dmahandle);
291 if (!cinergyt2->streambuf) {
292 dprintk(1, "failed to alloc consistent stream memory area, bailing out!\n");
293 return -ENOMEM;
294 }
295
296 memset(cinergyt2->streambuf, 0, STREAM_URB_COUNT*STREAM_BUF_SIZE);
297
298 for (i=0; i<STREAM_URB_COUNT; i++) {
299 struct urb *urb;
300
301 if (!(urb = usb_alloc_urb(0, GFP_ATOMIC))) {
302 dprintk(1, "failed to alloc consistent stream urbs, bailing out!\n");
303 cinergyt2_free_stream_urbs(cinergyt2);
304 return -ENOMEM;
305 }
306
307 urb->transfer_buffer = cinergyt2->streambuf + i * STREAM_BUF_SIZE;
308 urb->transfer_buffer_length = STREAM_BUF_SIZE;
309
310 cinergyt2->stream_urb[i] = urb;
311 }
312
313 return 0;
314}
315
316static void cinergyt2_stop_stream_xfer (struct cinergyt2 *cinergyt2)
317{
318 int i;
319
320 cinergyt2_control_stream_transfer(cinergyt2, 0);
321
322 for (i=0; i<STREAM_URB_COUNT; i++)
323 if (cinergyt2->stream_urb[i])
324 usb_kill_urb(cinergyt2->stream_urb[i]);
325}
326
327static int cinergyt2_start_stream_xfer (struct cinergyt2 *cinergyt2)
328{
329 int i, err;
330
331 for (i=0; i<STREAM_URB_COUNT; i++) {
332 if ((err = cinergyt2_submit_stream_urb(cinergyt2, cinergyt2->stream_urb[i]))) {
333 cinergyt2_stop_stream_xfer(cinergyt2);
334 dprintk(1, "failed urb submission (%i: err = %i)!\n", i, err);
335 return err;
336 }
337 }
338
339 cinergyt2_control_stream_transfer(cinergyt2, 1);
340 return 0;
341}
342
343static int cinergyt2_start_feed(struct dvb_demux_feed *dvbdmxfeed)
344{
345 struct dvb_demux *demux = dvbdmxfeed->demux;
346 struct cinergyt2 *cinergyt2 = demux->priv;
347
348 if (cinergyt2->disconnect_pending || mutex_lock_interruptible(&cinergyt2->sem))
349 return -ERESTARTSYS;
350
351 if (cinergyt2->streaming == 0)
352 cinergyt2_start_stream_xfer(cinergyt2);
353
354 cinergyt2->streaming++;
355 mutex_unlock(&cinergyt2->sem);
356 return 0;
357}
358
359static int cinergyt2_stop_feed(struct dvb_demux_feed *dvbdmxfeed)
360{
361 struct dvb_demux *demux = dvbdmxfeed->demux;
362 struct cinergyt2 *cinergyt2 = demux->priv;
363
364 if (cinergyt2->disconnect_pending || mutex_lock_interruptible(&cinergyt2->sem))
365 return -ERESTARTSYS;
366
367 if (--cinergyt2->streaming == 0)
368 cinergyt2_stop_stream_xfer(cinergyt2);
369
370 mutex_unlock(&cinergyt2->sem);
371 return 0;
372}
373
374
375
376
377
378
379
380
381
382
383static uint16_t compute_tps (struct dvb_frontend_parameters *p)
384{
385 struct dvb_ofdm_parameters *op = &p->u.ofdm;
386 uint16_t tps = 0;
387
388 switch (op->code_rate_HP) {
389 case FEC_2_3:
390 tps |= (1 << 7);
391 break;
392 case FEC_3_4:
393 tps |= (2 << 7);
394 break;
395 case FEC_5_6:
396 tps |= (3 << 7);
397 break;
398 case FEC_7_8:
399 tps |= (4 << 7);
400 break;
401 case FEC_1_2:
402 case FEC_AUTO:
403 default:
404 ;
405 }
406
407 switch (op->code_rate_LP) {
408 case FEC_2_3:
409 tps |= (1 << 4);
410 break;
411 case FEC_3_4:
412 tps |= (2 << 4);
413 break;
414 case FEC_5_6:
415 tps |= (3 << 4);
416 break;
417 case FEC_7_8:
418 tps |= (4 << 4);
419 break;
420 case FEC_1_2:
421 case FEC_AUTO:
422 default:
423 ;
424 }
425
426 switch (op->constellation) {
427 case QAM_16:
428 tps |= (1 << 13);
429 break;
430 case QAM_64:
431 tps |= (2 << 13);
432 break;
433 case QPSK:
434 default:
435 ;
436 }
437
438 switch (op->transmission_mode) {
439 case TRANSMISSION_MODE_8K:
440 tps |= (1 << 0);
441 break;
442 case TRANSMISSION_MODE_2K:
443 default:
444 ;
445 }
446
447 switch (op->guard_interval) {
448 case GUARD_INTERVAL_1_16:
449 tps |= (1 << 2);
450 break;
451 case GUARD_INTERVAL_1_8:
452 tps |= (2 << 2);
453 break;
454 case GUARD_INTERVAL_1_4:
455 tps |= (3 << 2);
456 break;
457 case GUARD_INTERVAL_1_32:
458 default:
459 ;
460 }
461
462 switch (op->hierarchy_information) {
463 case HIERARCHY_1:
464 tps |= (1 << 10);
465 break;
466 case HIERARCHY_2:
467 tps |= (2 << 10);
468 break;
469 case HIERARCHY_4:
470 tps |= (3 << 10);
471 break;
472 case HIERARCHY_NONE:
473 default:
474 ;
475 }
476
477 return tps;
478}
479
480static int cinergyt2_open (struct inode *inode, struct file *file)
481{
482 struct dvb_device *dvbdev = file->private_data;
483 struct cinergyt2 *cinergyt2 = dvbdev->priv;
484 int err = -ERESTARTSYS;
485
486 if (cinergyt2->disconnect_pending || mutex_lock_interruptible(&cinergyt2->sem))
487 return -ERESTARTSYS;
488
489 if ((err = dvb_generic_open(inode, file))) {
490 mutex_unlock(&cinergyt2->sem);
491 return err;
492 }
493
494
495 if ((file->f_flags & O_ACCMODE) != O_RDONLY) {
496 cinergyt2_sleep(cinergyt2, 0);
497 schedule_delayed_work(&cinergyt2->query_work, HZ/2);
498 }
499
500 atomic_inc(&cinergyt2->inuse);
501
502 mutex_unlock(&cinergyt2->sem);
503 return 0;
504}
505
506static void cinergyt2_unregister(struct cinergyt2 *cinergyt2)
507{
508 dvb_net_release(&cinergyt2->dvbnet);
509 dvb_dmxdev_release(&cinergyt2->dmxdev);
510 dvb_dmx_release(&cinergyt2->demux);
511 dvb_unregister_device(cinergyt2->fedev);
512 dvb_unregister_adapter(&cinergyt2->adapter);
513
514 cinergyt2_free_stream_urbs(cinergyt2);
515 kfree(cinergyt2);
516}
517
518static int cinergyt2_release (struct inode *inode, struct file *file)
519{
520 struct dvb_device *dvbdev = file->private_data;
521 struct cinergyt2 *cinergyt2 = dvbdev->priv;
522
523 if (mutex_lock_interruptible(&cinergyt2->sem))
524 return -ERESTARTSYS;
525
526 if (!cinergyt2->disconnect_pending && (file->f_flags & O_ACCMODE) != O_RDONLY) {
527 cancel_delayed_work(&cinergyt2->query_work);
528 flush_scheduled_work();
529 cinergyt2_sleep(cinergyt2, 1);
530 }
531
532 mutex_unlock(&cinergyt2->sem);
533
534 if (atomic_dec_and_test(&cinergyt2->inuse) && cinergyt2->disconnect_pending) {
535 warn("delayed unregister in release");
536 cinergyt2_unregister(cinergyt2);
537 }
538
539 return dvb_generic_release(inode, file);
540}
541
542static unsigned int cinergyt2_poll (struct file *file, struct poll_table_struct *wait)
543{
544 struct dvb_device *dvbdev = file->private_data;
545 struct cinergyt2 *cinergyt2 = dvbdev->priv;
546 unsigned int mask = 0;
547
548 if (cinergyt2->disconnect_pending || mutex_lock_interruptible(&cinergyt2->sem))
549 return -ERESTARTSYS;
550
551 poll_wait(file, &cinergyt2->poll_wq, wait);
552
553 if (cinergyt2->pending_fe_events != 0)
554 mask |= (POLLIN | POLLRDNORM | POLLPRI);
555
556 mutex_unlock(&cinergyt2->sem);
557
558 return mask;
559}
560
561
562static int cinergyt2_ioctl (struct inode *inode, struct file *file,
563 unsigned cmd, unsigned long arg)
564{
565 struct dvb_device *dvbdev = file->private_data;
566 struct cinergyt2 *cinergyt2 = dvbdev->priv;
567 struct dvbt_get_status_msg *stat = &cinergyt2->status;
568 fe_status_t status = 0;
569
570 switch (cmd) {
571 case FE_GET_INFO:
572 return copy_to_user((void __user*) arg, &cinergyt2_fe_info,
573 sizeof(struct dvb_frontend_info));
574
575 case FE_READ_STATUS:
576 if (0xffff - le16_to_cpu(stat->gain) > 30)
577 status |= FE_HAS_SIGNAL;
578 if (stat->lock_bits & (1 << 6))
579 status |= FE_HAS_LOCK;
580 if (stat->lock_bits & (1 << 5))
581 status |= FE_HAS_SYNC;
582 if (stat->lock_bits & (1 << 4))
583 status |= FE_HAS_CARRIER;
584 if (stat->lock_bits & (1 << 1))
585 status |= FE_HAS_VITERBI;
586
587 return copy_to_user((void __user*) arg, &status, sizeof(status));
588
589 case FE_READ_BER:
590 return put_user(le32_to_cpu(stat->viterbi_error_rate),
591 (__u32 __user *) arg);
592
593 case FE_READ_SIGNAL_STRENGTH:
594 return put_user(0xffff - le16_to_cpu(stat->gain),
595 (__u16 __user *) arg);
596
597 case FE_READ_SNR:
598 return put_user((stat->snr << 8) | stat->snr,
599 (__u16 __user *) arg);
600
601 case FE_READ_UNCORRECTED_BLOCKS:
602 {
603 uint32_t unc_count;
604
605 unc_count = stat->uncorrected_block_count;
606 stat->uncorrected_block_count = 0;
607
608
609 return put_user(unc_count,(__u32 __user *) arg);
610 }
611 case FE_SET_FRONTEND:
612 {
613 struct dvbt_set_parameters_msg *param = &cinergyt2->param;
614 struct dvb_frontend_parameters p;
615 int err;
616
617 if ((file->f_flags & O_ACCMODE) == O_RDONLY)
618 return -EPERM;
619
620 if (copy_from_user(&p, (void __user*) arg, sizeof(p)))
621 return -EFAULT;
622
623 if (cinergyt2->disconnect_pending || mutex_lock_interruptible(&cinergyt2->sem))
624 return -ERESTARTSYS;
625
626 param->cmd = CINERGYT2_EP1_SET_TUNER_PARAMETERS;
627 param->tps = cpu_to_le16(compute_tps(&p));
628 param->freq = cpu_to_le32(p.frequency / 1000);
629 param->bandwidth = 8 - p.u.ofdm.bandwidth - BANDWIDTH_8_MHZ;
630
631 stat->lock_bits = 0;
632 cinergyt2->pending_fe_events++;
633 wake_up_interruptible(&cinergyt2->poll_wq);
634
635 err = cinergyt2_command(cinergyt2,
636 (char *) param, sizeof(*param),
637 NULL, 0);
638
639 mutex_unlock(&cinergyt2->sem);
640
641 return (err < 0) ? err : 0;
642 }
643
644 case FE_GET_FRONTEND:
645
646
647
648
649
650
651
652 break;
653
654 case FE_GET_EVENT:
655 {
656
657
658
659
660 struct dvb_frontend_event __user *e = (void __user *) arg;
661 if (cinergyt2->pending_fe_events == 0) {
662 if (file->f_flags & O_NONBLOCK)
663 return -EWOULDBLOCK;
664 wait_event_interruptible(cinergyt2->poll_wq,
665 cinergyt2->pending_fe_events > 0);
666 }
667 cinergyt2->pending_fe_events = 0;
668 return cinergyt2_ioctl(inode, file, FE_READ_STATUS,
669 (unsigned long) &e->status);
670 }
671
672 default:
673 ;
674 }
675
676 return -EINVAL;
677}
678
679static int cinergyt2_mmap(struct file *file, struct vm_area_struct *vma)
680{
681 struct dvb_device *dvbdev = file->private_data;
682 struct cinergyt2 *cinergyt2 = dvbdev->priv;
683 int ret = 0;
684
685 lock_kernel();
686
687 if (vma->vm_flags & (VM_WRITE | VM_EXEC)) {
688 ret = -EPERM;
689 goto bailout;
690 }
691
692 if (vma->vm_end > vma->vm_start + STREAM_URB_COUNT * STREAM_BUF_SIZE) {
693 ret = -EINVAL;
694 goto bailout;
695 }
696
697 vma->vm_flags |= (VM_IO | VM_DONTCOPY);
698 vma->vm_file = file;
699
700 ret = remap_pfn_range(vma, vma->vm_start,
701 virt_to_phys(cinergyt2->streambuf) >> PAGE_SHIFT,
702 vma->vm_end - vma->vm_start,
703 vma->vm_page_prot) ? -EAGAIN : 0;
704bailout:
705 unlock_kernel();
706 return ret;
707}
708
709static struct file_operations cinergyt2_fops = {
710 .owner = THIS_MODULE,
711 .ioctl = cinergyt2_ioctl,
712 .poll = cinergyt2_poll,
713 .open = cinergyt2_open,
714 .release = cinergyt2_release,
715 .mmap = cinergyt2_mmap
716};
717
718static struct dvb_device cinergyt2_fe_template = {
719 .users = ~0,
720 .writers = 1,
721 .readers = (~0)-1,
722 .fops = &cinergyt2_fops
723};
724
725#ifdef ENABLE_RC
726
727static void cinergyt2_query_rc (void *data)
728{
729 struct cinergyt2 *cinergyt2 = data;
730 char buf[1] = { CINERGYT2_EP1_GET_RC_EVENTS };
731 struct cinergyt2_rc_event rc_events[12];
732 int n, len, i;
733
734 if (cinergyt2->disconnect_pending || mutex_lock_interruptible(&cinergyt2->sem))
735 return;
736
737 len = cinergyt2_command(cinergyt2, buf, sizeof(buf),
738 (char *) rc_events, sizeof(rc_events));
739 if (len < 0)
740 goto out;
741 if (len == 0) {
742 if (time_after(jiffies, cinergyt2->last_event_jiffies +
743 msecs_to_jiffies(150))) {
744
745 if (cinergyt2->rc_input_event != KEY_MAX) {
746 dprintk(1, "rc_input_event=%d Up\n", cinergyt2->rc_input_event);
747 input_report_key(cinergyt2->rc_input_dev,
748 cinergyt2->rc_input_event, 0);
749 cinergyt2->rc_input_event = KEY_MAX;
750 }
751 cinergyt2->rc_last_code = ~0;
752 }
753 goto out;
754 }
755 cinergyt2->last_event_jiffies = jiffies;
756
757 for (n = 0; n < (len / sizeof(rc_events[0])); n++) {
758 dprintk(1, "rc_events[%d].value = %x, type=%x\n",
759 n, le32_to_cpu(rc_events[n].value), rc_events[n].type);
760
761 if (rc_events[n].type == CINERGYT2_RC_EVENT_TYPE_NEC &&
762 rc_events[n].value == ~0) {
763
764 } else {
765 cinergyt2->rc_input_event = KEY_MAX;
766 for (i = 0; i < ARRAY_SIZE(rc_keys); i += 3) {
767 if (rc_keys[i + 0] == rc_events[n].type &&
768 rc_keys[i + 1] == le32_to_cpu(rc_events[n].value)) {
769 cinergyt2->rc_input_event = rc_keys[i + 2];
770 break;
771 }
772 }
773 }
774
775 if (cinergyt2->rc_input_event != KEY_MAX) {
776 if (rc_events[n].value == cinergyt2->rc_last_code &&
777 cinergyt2->rc_last_code != ~0) {
778
779 dprintk(1, "rc_input_event=%d UP\n", cinergyt2->rc_input_event);
780 input_report_key(cinergyt2->rc_input_dev,
781 cinergyt2->rc_input_event, 0);
782 }
783 dprintk(1, "rc_input_event=%d\n", cinergyt2->rc_input_event);
784 input_report_key(cinergyt2->rc_input_dev,
785 cinergyt2->rc_input_event, 1);
786 cinergyt2->rc_last_code = rc_events[n].value;
787 }
788 }
789
790out:
791 schedule_delayed_work(&cinergyt2->rc_query_work,
792 msecs_to_jiffies(RC_QUERY_INTERVAL));
793
794 mutex_unlock(&cinergyt2->sem);
795}
796
797static int cinergyt2_register_rc(struct cinergyt2 *cinergyt2)
798{
799 struct input_dev *input_dev;
800 int i;
801
802 cinergyt2->rc_input_dev = input_dev = input_allocate_device();
803 if (!input_dev)
804 return -ENOMEM;
805
806 usb_make_path(cinergyt2->udev, cinergyt2->phys, sizeof(cinergyt2->phys));
807 strlcat(cinergyt2->phys, "/input0", sizeof(cinergyt2->phys));
808 cinergyt2->rc_input_event = KEY_MAX;
809 cinergyt2->rc_last_code = ~0;
810 INIT_WORK(&cinergyt2->rc_query_work, cinergyt2_query_rc, cinergyt2);
811
812 input_dev->name = DRIVER_NAME " remote control";
813 input_dev->phys = cinergyt2->phys;
814 input_dev->evbit[0] = BIT(EV_KEY) | BIT(EV_REP);
815 for (i = 0; i < ARRAY_SIZE(rc_keys); i += 3)
816 set_bit(rc_keys[i + 2], input_dev->keybit);
817 input_dev->keycodesize = 0;
818 input_dev->keycodemax = 0;
819
820 input_register_device(cinergyt2->rc_input_dev);
821 schedule_delayed_work(&cinergyt2->rc_query_work, HZ/2);
822
823 return 0;
824}
825
826static void cinergyt2_unregister_rc(struct cinergyt2 *cinergyt2)
827{
828 cancel_delayed_work(&cinergyt2->rc_query_work);
829 input_unregister_device(cinergyt2->rc_input_dev);
830}
831
832static inline void cinergyt2_suspend_rc(struct cinergyt2 *cinergyt2)
833{
834 cancel_delayed_work(&cinergyt2->rc_query_work);
835}
836
837static inline void cinergyt2_resume_rc(struct cinergyt2 *cinergyt2)
838{
839 schedule_delayed_work(&cinergyt2->rc_query_work, HZ/2);
840}
841
842#else
843
844static inline int cinergyt2_register_rc(struct cinergyt2 *cinergyt2) { return 0; }
845static inline void cinergyt2_unregister_rc(struct cinergyt2 *cinergyt2) { }
846static inline void cinergyt2_suspend_rc(struct cinergyt2 *cinergyt2) { }
847static inline void cinergyt2_resume_rc(struct cinergyt2 *cinergyt2) { }
848
849#endif
850
851static void cinergyt2_query (void *data)
852{
853 struct cinergyt2 *cinergyt2 = (struct cinergyt2 *) data;
854 char cmd [] = { CINERGYT2_EP1_GET_TUNER_STATUS };
855 struct dvbt_get_status_msg *s = &cinergyt2->status;
856 uint8_t lock_bits;
857 uint32_t unc;
858
859 if (cinergyt2->disconnect_pending || mutex_lock_interruptible(&cinergyt2->sem))
860 return;
861
862 unc = s->uncorrected_block_count;
863 lock_bits = s->lock_bits;
864
865 cinergyt2_command(cinergyt2, cmd, sizeof(cmd), (char *) s, sizeof(*s));
866
867 unc += le32_to_cpu(s->uncorrected_block_count);
868 s->uncorrected_block_count = unc;
869
870 if (lock_bits != s->lock_bits) {
871 wake_up_interruptible(&cinergyt2->poll_wq);
872 cinergyt2->pending_fe_events++;
873 }
874
875 schedule_delayed_work(&cinergyt2->query_work,
876 msecs_to_jiffies(QUERY_INTERVAL));
877
878 mutex_unlock(&cinergyt2->sem);
879}
880
881static int cinergyt2_probe (struct usb_interface *intf,
882 const struct usb_device_id *id)
883{
884 struct cinergyt2 *cinergyt2;
885 int err;
886
887 if (!(cinergyt2 = kmalloc (sizeof(struct cinergyt2), GFP_KERNEL))) {
888 dprintk(1, "out of memory?!?\n");
889 return -ENOMEM;
890 }
891
892 memset (cinergyt2, 0, sizeof (struct cinergyt2));
893 usb_set_intfdata (intf, (void *) cinergyt2);
894
895 mutex_init(&cinergyt2->sem);
896 init_waitqueue_head (&cinergyt2->poll_wq);
897 INIT_WORK(&cinergyt2->query_work, cinergyt2_query, cinergyt2);
898
899 cinergyt2->udev = interface_to_usbdev(intf);
900 cinergyt2->param.cmd = CINERGYT2_EP1_SET_TUNER_PARAMETERS;
901
902 if (cinergyt2_alloc_stream_urbs (cinergyt2) < 0) {
903 dprintk(1, "unable to allocate stream urbs\n");
904 kfree(cinergyt2);
905 return -ENOMEM;
906 }
907
908 if ((err = dvb_register_adapter(&cinergyt2->adapter, DRIVER_NAME, THIS_MODULE, &cinergyt2->udev->dev)) < 0) {
909 kfree(cinergyt2);
910 return err;
911 }
912
913 cinergyt2->demux.priv = cinergyt2;
914 cinergyt2->demux.filternum = 256;
915 cinergyt2->demux.feednum = 256;
916 cinergyt2->demux.start_feed = cinergyt2_start_feed;
917 cinergyt2->demux.stop_feed = cinergyt2_stop_feed;
918 cinergyt2->demux.dmx.capabilities = DMX_TS_FILTERING |
919 DMX_SECTION_FILTERING |
920 DMX_MEMORY_BASED_FILTERING;
921
922 if ((err = dvb_dmx_init(&cinergyt2->demux)) < 0) {
923 dprintk(1, "dvb_dmx_init() failed (err = %d)\n", err);
924 goto bailout;
925 }
926
927 cinergyt2->dmxdev.filternum = cinergyt2->demux.filternum;
928 cinergyt2->dmxdev.demux = &cinergyt2->demux.dmx;
929 cinergyt2->dmxdev.capabilities = 0;
930
931 if ((err = dvb_dmxdev_init(&cinergyt2->dmxdev, &cinergyt2->adapter)) < 0) {
932 dprintk(1, "dvb_dmxdev_init() failed (err = %d)\n", err);
933 goto bailout;
934 }
935
936 if (dvb_net_init(&cinergyt2->adapter, &cinergyt2->dvbnet, &cinergyt2->demux.dmx))
937 dprintk(1, "dvb_net_init() failed!\n");
938
939 dvb_register_device(&cinergyt2->adapter, &cinergyt2->fedev,
940 &cinergyt2_fe_template, cinergyt2,
941 DVB_DEVICE_FRONTEND);
942
943 err = cinergyt2_register_rc(cinergyt2);
944 if (err)
945 goto bailout;
946
947 return 0;
948
949bailout:
950 dvb_net_release(&cinergyt2->dvbnet);
951 dvb_dmxdev_release(&cinergyt2->dmxdev);
952 dvb_dmx_release(&cinergyt2->demux);
953 dvb_unregister_adapter(&cinergyt2->adapter);
954 cinergyt2_free_stream_urbs(cinergyt2);
955 kfree(cinergyt2);
956 return -ENOMEM;
957}
958
959static void cinergyt2_disconnect (struct usb_interface *intf)
960{
961 struct cinergyt2 *cinergyt2 = usb_get_intfdata (intf);
962
963 flush_scheduled_work();
964
965 cinergyt2_unregister_rc(cinergyt2);
966
967 cancel_delayed_work(&cinergyt2->query_work);
968 wake_up_interruptible(&cinergyt2->poll_wq);
969
970 cinergyt2->demux.dmx.close(&cinergyt2->demux.dmx);
971 cinergyt2->disconnect_pending = 1;
972
973 if (!atomic_read(&cinergyt2->inuse))
974 cinergyt2_unregister(cinergyt2);
975}
976
977static int cinergyt2_suspend (struct usb_interface *intf, pm_message_t state)
978{
979 struct cinergyt2 *cinergyt2 = usb_get_intfdata (intf);
980
981 if (cinergyt2->disconnect_pending || mutex_lock_interruptible(&cinergyt2->sem))
982 return -ERESTARTSYS;
983
984 if (state.event > PM_EVENT_ON) {
985 struct cinergyt2 *cinergyt2 = usb_get_intfdata (intf);
986
987 cinergyt2_suspend_rc(cinergyt2);
988 cancel_delayed_work(&cinergyt2->query_work);
989 if (cinergyt2->streaming)
990 cinergyt2_stop_stream_xfer(cinergyt2);
991 flush_scheduled_work();
992 cinergyt2_sleep(cinergyt2, 1);
993 }
994
995 mutex_unlock(&cinergyt2->sem);
996 return 0;
997}
998
999static int cinergyt2_resume (struct usb_interface *intf)
1000{
1001 struct cinergyt2 *cinergyt2 = usb_get_intfdata (intf);
1002 struct dvbt_set_parameters_msg *param = &cinergyt2->param;
1003
1004 if (cinergyt2->disconnect_pending || mutex_lock_interruptible(&cinergyt2->sem))
1005 return -ERESTARTSYS;
1006
1007 if (!cinergyt2->sleeping) {
1008 cinergyt2_sleep(cinergyt2, 0);
1009 cinergyt2_command(cinergyt2, (char *) param, sizeof(*param), NULL, 0);
1010 if (cinergyt2->streaming)
1011 cinergyt2_start_stream_xfer(cinergyt2);
1012 schedule_delayed_work(&cinergyt2->query_work, HZ/2);
1013 }
1014
1015 cinergyt2_resume_rc(cinergyt2);
1016
1017 mutex_unlock(&cinergyt2->sem);
1018 return 0;
1019}
1020
1021static const struct usb_device_id cinergyt2_table [] __devinitdata = {
1022 { USB_DEVICE(0x0ccd, 0x0038) },
1023 { 0 }
1024};
1025
1026MODULE_DEVICE_TABLE(usb, cinergyt2_table);
1027
1028static struct usb_driver cinergyt2_driver = {
1029 .name = "cinergyT2",
1030 .probe = cinergyt2_probe,
1031 .disconnect = cinergyt2_disconnect,
1032 .suspend = cinergyt2_suspend,
1033 .resume = cinergyt2_resume,
1034 .id_table = cinergyt2_table
1035};
1036
1037static int __init cinergyt2_init (void)
1038{
1039 int err;
1040
1041 if ((err = usb_register(&cinergyt2_driver)) < 0)
1042 dprintk(1, "usb_register() failed! (err %i)\n", err);
1043
1044 return err;
1045}
1046
1047static void __exit cinergyt2_exit (void)
1048{
1049 usb_deregister(&cinergyt2_driver);
1050}
1051
1052module_init (cinergyt2_init);
1053module_exit (cinergyt2_exit);
1054
1055MODULE_LICENSE("GPL");
1056MODULE_AUTHOR("Holger Waechtler, Daniel Mack");
1057
