2 * TerraTec Cinergy T²/qanu USB2 DVB-T adapter.
4 * Copyright (C) 2004 Daniel Mack <daniel@qanu.de> and
5 * Holger Waechtler <holger@qanu.de>
7 * Protocol Spec published on http://qanu.de/specs/terratec_cinergyT2.pdf
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation; either version 2 of the License, or
12 * (at your option) any later version.
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
25 #include <linux/config.h>
26 #include <linux/init.h>
27 #include <linux/module.h>
28 #include <linux/version.h>
29 #include <linux/slab.h>
30 #include <linux/usb.h>
31 #include <linux/pci.h>
32 #include <linux/input.h>
33 #include <linux/dvb/frontend.h>
36 #include "dvb_demux.h"
47 #ifdef CONFIG_DVB_CINERGYT2_TUNING
48 #define STREAM_URB_COUNT (CONFIG_DVB_CINERGYT2_STREAM_URB_COUNT)
49 #define STREAM_BUF_SIZE (CONFIG_DVB_CINERGYT2_STREAM_BUF_SIZE)
50 #define QUERY_INTERVAL (CONFIG_DVB_CINERGYT2_QUERY_INTERVAL)
51 #ifdef CONFIG_DVB_CINERGYT2_ENABLE_RC_INPUT_DEVICE
52 #define RC_QUERY_INTERVAL (CONFIG_DVB_CINERGYT2_RC_QUERY_INTERVAL)
56 #define STREAM_URB_COUNT (32)
57 #define STREAM_BUF_SIZE (512) /* bytes */
59 #define RC_QUERY_INTERVAL (100) /* milliseconds */
60 #define QUERY_INTERVAL (333) /* milliseconds */
63 #define DRIVER_NAME "TerraTec/qanu USB2.0 Highspeed DVB-T Receiver"
66 module_param_named(debug, debug, int, 0644);
67 MODULE_PARM_DESC(debug, "Turn on/off debugging (default:off).");
69 #define dprintk(level, args...) \
71 if ((debug & level)) { \
72 printk("%s: %s(): ", __stringify(KBUILD_MODNAME), \
77 enum cinergyt2_ep1_cmd {
78 CINERGYT2_EP1_PID_TABLE_RESET = 0x01,
79 CINERGYT2_EP1_PID_SETUP = 0x02,
80 CINERGYT2_EP1_CONTROL_STREAM_TRANSFER = 0x03,
81 CINERGYT2_EP1_SET_TUNER_PARAMETERS = 0x04,
82 CINERGYT2_EP1_GET_TUNER_STATUS = 0x05,
83 CINERGYT2_EP1_START_SCAN = 0x06,
84 CINERGYT2_EP1_CONTINUE_SCAN = 0x07,
85 CINERGYT2_EP1_GET_RC_EVENTS = 0x08,
86 CINERGYT2_EP1_SLEEP_MODE = 0x09
89 struct dvbt_set_parameters_msg {
95 } __attribute__((packed));
97 struct dvbt_get_status_msg {
104 uint32_t viterbi_error_rate;
105 uint32_t rs_error_rate;
106 uint32_t uncorrected_block_count;
108 uint8_t prev_lock_bits;
109 } __attribute__((packed));
111 static struct dvb_frontend_info cinergyt2_fe_info = {
114 .frequency_min = 174000000,
115 .frequency_max = 862000000,
116 .frequency_stepsize = 166667,
117 .caps = FE_CAN_INVERSION_AUTO | FE_CAN_FEC_1_2 | FE_CAN_FEC_2_3 |
118 FE_CAN_FEC_3_4 | FE_CAN_FEC_5_6 | FE_CAN_FEC_7_8 |
120 FE_CAN_QPSK | FE_CAN_QAM_16 | FE_CAN_QAM_64 | FE_CAN_QAM_AUTO |
121 FE_CAN_TRANSMISSION_MODE_AUTO | FE_CAN_GUARD_INTERVAL_AUTO |
122 FE_CAN_HIERARCHY_AUTO | FE_CAN_RECOVER | FE_CAN_MUTE_TS
126 struct dvb_demux demux;
127 struct usb_device *udev;
128 struct semaphore sem;
129 struct dvb_adapter *adapter;
130 struct dvb_device *fedev;
131 struct dmxdev dmxdev;
132 struct dvb_net dvbnet;
137 struct dvbt_set_parameters_msg param;
138 struct dvbt_get_status_msg status;
139 struct work_struct query_work;
141 wait_queue_head_t poll_wq;
142 int pending_fe_events;
145 dma_addr_t streambuf_dmahandle;
146 struct urb *stream_urb[STREAM_URB_COUNT];
149 struct input_dev rc_input_dev;
150 struct work_struct rc_query_work;
156 CINERGYT2_RC_EVENT_TYPE_NONE = 0x00,
157 CINERGYT2_RC_EVENT_TYPE_NEC = 0x01,
158 CINERGYT2_RC_EVENT_TYPE_RC5 = 0x02
161 struct cinergyt2_rc_event {
164 } __attribute__((packed));
166 static const uint32_t rc_keys [] = {
167 CINERGYT2_RC_EVENT_TYPE_NEC, 0xfe01eb04, KEY_POWER,
168 CINERGYT2_RC_EVENT_TYPE_NEC, 0xfd02eb04, KEY_1,
169 CINERGYT2_RC_EVENT_TYPE_NEC, 0xfc03eb04, KEY_2,
170 CINERGYT2_RC_EVENT_TYPE_NEC, 0xfb04eb04, KEY_3,
171 CINERGYT2_RC_EVENT_TYPE_NEC, 0xfa05eb04, KEY_4,
172 CINERGYT2_RC_EVENT_TYPE_NEC, 0xf906eb04, KEY_5,
173 CINERGYT2_RC_EVENT_TYPE_NEC, 0xf807eb04, KEY_6,
174 CINERGYT2_RC_EVENT_TYPE_NEC, 0xf708eb04, KEY_7,
175 CINERGYT2_RC_EVENT_TYPE_NEC, 0xf609eb04, KEY_8,
176 CINERGYT2_RC_EVENT_TYPE_NEC, 0xf50aeb04, KEY_9,
177 CINERGYT2_RC_EVENT_TYPE_NEC, 0xf30ceb04, KEY_0,
178 CINERGYT2_RC_EVENT_TYPE_NEC, 0xf40beb04, KEY_VIDEO,
179 CINERGYT2_RC_EVENT_TYPE_NEC, 0xf20deb04, KEY_REFRESH,
180 CINERGYT2_RC_EVENT_TYPE_NEC, 0xf10eeb04, KEY_SELECT,
181 CINERGYT2_RC_EVENT_TYPE_NEC, 0xf00feb04, KEY_EPG,
182 CINERGYT2_RC_EVENT_TYPE_NEC, 0xef10eb04, KEY_UP,
183 CINERGYT2_RC_EVENT_TYPE_NEC, 0xeb14eb04, KEY_DOWN,
184 CINERGYT2_RC_EVENT_TYPE_NEC, 0xee11eb04, KEY_LEFT,
185 CINERGYT2_RC_EVENT_TYPE_NEC, 0xec13eb04, KEY_RIGHT,
186 CINERGYT2_RC_EVENT_TYPE_NEC, 0xed12eb04, KEY_OK,
187 CINERGYT2_RC_EVENT_TYPE_NEC, 0xea15eb04, KEY_TEXT,
188 CINERGYT2_RC_EVENT_TYPE_NEC, 0xe916eb04, KEY_INFO,
189 CINERGYT2_RC_EVENT_TYPE_NEC, 0xe817eb04, KEY_RED,
190 CINERGYT2_RC_EVENT_TYPE_NEC, 0xe718eb04, KEY_GREEN,
191 CINERGYT2_RC_EVENT_TYPE_NEC, 0xe619eb04, KEY_YELLOW,
192 CINERGYT2_RC_EVENT_TYPE_NEC, 0xe51aeb04, KEY_BLUE,
193 CINERGYT2_RC_EVENT_TYPE_NEC, 0xe31ceb04, KEY_VOLUMEUP,
194 CINERGYT2_RC_EVENT_TYPE_NEC, 0xe11eeb04, KEY_VOLUMEDOWN,
195 CINERGYT2_RC_EVENT_TYPE_NEC, 0xe21deb04, KEY_MUTE,
196 CINERGYT2_RC_EVENT_TYPE_NEC, 0xe41beb04, KEY_CHANNELUP,
197 CINERGYT2_RC_EVENT_TYPE_NEC, 0xe01feb04, KEY_CHANNELDOWN,
198 CINERGYT2_RC_EVENT_TYPE_NEC, 0xbf40eb04, KEY_PAUSE,
199 CINERGYT2_RC_EVENT_TYPE_NEC, 0xb34ceb04, KEY_PLAY,
200 CINERGYT2_RC_EVENT_TYPE_NEC, 0xa758eb04, KEY_RECORD,
201 CINERGYT2_RC_EVENT_TYPE_NEC, 0xab54eb04, KEY_PREVIOUS,
202 CINERGYT2_RC_EVENT_TYPE_NEC, 0xb748eb04, KEY_STOP,
203 CINERGYT2_RC_EVENT_TYPE_NEC, 0xa35ceb04, KEY_NEXT
206 static int cinergyt2_command (struct cinergyt2 *cinergyt2,
207 char *send_buf, int send_buf_len,
208 char *recv_buf, int recv_buf_len)
214 ret = usb_bulk_msg(cinergyt2->udev, usb_sndbulkpipe(cinergyt2->udev, 1),
215 send_buf, send_buf_len, &actual_len, HZ);
218 dprintk(1, "usb_bulk_msg (send) failed, err %i\n", ret);
223 ret = usb_bulk_msg(cinergyt2->udev, usb_rcvbulkpipe(cinergyt2->udev, 1),
224 recv_buf, recv_buf_len, &actual_len, HZ);
227 dprintk(1, "usb_bulk_msg (read) failed, err %i\n", ret);
229 return ret ? ret : actual_len;
232 static void cinergyt2_control_stream_transfer (struct cinergyt2 *cinergyt2, int enable)
234 char buf [] = { CINERGYT2_EP1_CONTROL_STREAM_TRANSFER, enable ? 1 : 0 };
235 cinergyt2_command(cinergyt2, buf, sizeof(buf), NULL, 0);
238 static void cinergyt2_sleep (struct cinergyt2 *cinergyt2, int sleep)
240 char buf [] = { CINERGYT2_EP1_SLEEP_MODE, sleep ? 1 : 0 };
241 cinergyt2_command(cinergyt2, buf, sizeof(buf), NULL, 0);
242 cinergyt2->sleeping = sleep;
245 static void cinergyt2_stream_irq (struct urb *urb, struct pt_regs *regs);
247 static int cinergyt2_submit_stream_urb (struct cinergyt2 *cinergyt2, struct urb *urb)
251 usb_fill_bulk_urb(urb,
253 usb_rcvbulkpipe(cinergyt2->udev, 0x2),
254 urb->transfer_buffer,
256 cinergyt2_stream_irq,
259 if ((err = usb_submit_urb(urb, GFP_ATOMIC)))
260 dprintk(1, "urb submission failed (err = %i)!\n", err);
265 static void cinergyt2_stream_irq (struct urb *urb, struct pt_regs *regs)
267 struct cinergyt2 *cinergyt2 = urb->context;
269 if (urb->actual_length > 0)
270 dvb_dmx_swfilter(&cinergyt2->demux,
271 urb->transfer_buffer, urb->actual_length);
273 if (cinergyt2->streaming)
274 cinergyt2_submit_stream_urb(cinergyt2, urb);
277 static void cinergyt2_free_stream_urbs (struct cinergyt2 *cinergyt2)
281 for (i=0; i<STREAM_URB_COUNT; i++)
282 if (cinergyt2->stream_urb[i])
283 usb_free_urb(cinergyt2->stream_urb[i]);
285 pci_free_consistent(NULL, STREAM_URB_COUNT*STREAM_BUF_SIZE,
286 cinergyt2->streambuf, cinergyt2->streambuf_dmahandle);
289 static int cinergyt2_alloc_stream_urbs (struct cinergyt2 *cinergyt2)
293 cinergyt2->streambuf = pci_alloc_consistent(NULL,
294 STREAM_URB_COUNT*STREAM_BUF_SIZE,
295 &cinergyt2->streambuf_dmahandle);
296 if (!cinergyt2->streambuf) {
297 dprintk(1, "failed to alloc consistent stream memory area, bailing out!\n");
301 memset(cinergyt2->streambuf, 0, STREAM_URB_COUNT*STREAM_BUF_SIZE);
303 for (i=0; i<STREAM_URB_COUNT; i++) {
306 if (!(urb = usb_alloc_urb(0, GFP_ATOMIC))) {
307 dprintk(1, "failed to alloc consistent stream urbs, bailing out!\n");
308 cinergyt2_free_stream_urbs(cinergyt2);
312 urb->transfer_buffer = cinergyt2->streambuf + i * STREAM_BUF_SIZE;
313 urb->transfer_buffer_length = STREAM_BUF_SIZE;
315 cinergyt2->stream_urb[i] = urb;
321 static void cinergyt2_stop_stream_xfer (struct cinergyt2 *cinergyt2)
325 cinergyt2_control_stream_transfer(cinergyt2, 0);
327 for (i=0; i<STREAM_URB_COUNT; i++)
328 if (cinergyt2->stream_urb[i])
329 usb_kill_urb(cinergyt2->stream_urb[i]);
332 static int cinergyt2_start_stream_xfer (struct cinergyt2 *cinergyt2)
336 for (i=0; i<STREAM_URB_COUNT; i++) {
337 if ((err = cinergyt2_submit_stream_urb(cinergyt2, cinergyt2->stream_urb[i]))) {
338 cinergyt2_stop_stream_xfer(cinergyt2);
339 dprintk(1, "failed urb submission (%i: err = %i)!\n", i, err);
344 cinergyt2_control_stream_transfer(cinergyt2, 1);
348 static int cinergyt2_start_feed(struct dvb_demux_feed *dvbdmxfeed)
350 struct dvb_demux *demux = dvbdmxfeed->demux;
351 struct cinergyt2 *cinergyt2 = demux->priv;
353 if (down_interruptible(&cinergyt2->sem))
356 if (cinergyt2->streaming == 0)
357 cinergyt2_start_stream_xfer(cinergyt2);
359 cinergyt2->streaming++;
364 static int cinergyt2_stop_feed(struct dvb_demux_feed *dvbdmxfeed)
366 struct dvb_demux *demux = dvbdmxfeed->demux;
367 struct cinergyt2 *cinergyt2 = demux->priv;
369 if (down_interruptible(&cinergyt2->sem))
372 if (--cinergyt2->streaming == 0)
373 cinergyt2_stop_stream_xfer(cinergyt2);
380 * convert linux-dvb frontend parameter set into TPS.
381 * See ETSI ETS-300744, section 4.6.2, table 9 for details.
383 * This function is probably reusable and may better get placed in a support
386 * We replace errornous fields by default TPS fields (the ones with value 0).
388 static uint16_t compute_tps (struct dvb_frontend_parameters *p)
390 struct dvb_ofdm_parameters *op = &p->u.ofdm;
393 switch (op->code_rate_HP) {
409 /* tps |= (0 << 7) */;
412 switch (op->code_rate_LP) {
428 /* tps |= (0 << 4) */;
431 switch (op->constellation) {
440 /* tps |= (0 << 13) */;
443 switch (op->transmission_mode) {
444 case TRANSMISSION_MODE_8K:
447 case TRANSMISSION_MODE_2K:
449 /* tps |= (0 << 0) */;
452 switch (op->guard_interval) {
453 case GUARD_INTERVAL_1_16:
456 case GUARD_INTERVAL_1_8:
459 case GUARD_INTERVAL_1_4:
462 case GUARD_INTERVAL_1_32:
464 /* tps |= (0 << 2) */;
467 switch (op->hierarchy_information) {
479 /* tps |= (0 << 10) */;
485 static int cinergyt2_open (struct inode *inode, struct file *file)
487 struct dvb_device *dvbdev = file->private_data;
488 struct cinergyt2 *cinergyt2 = dvbdev->priv;
491 if ((err = dvb_generic_open(inode, file)))
494 if (down_interruptible(&cinergyt2->sem))
497 if ((file->f_flags & O_ACCMODE) != O_RDONLY) {
498 cinergyt2_sleep(cinergyt2, 0);
499 schedule_delayed_work(&cinergyt2->query_work, HZ/2);
506 static int cinergyt2_release (struct inode *inode, struct file *file)
508 struct dvb_device *dvbdev = file->private_data;
509 struct cinergyt2 *cinergyt2 = dvbdev->priv;
511 if (down_interruptible(&cinergyt2->sem))
514 if ((file->f_flags & O_ACCMODE) != O_RDONLY) {
515 cancel_delayed_work(&cinergyt2->query_work);
516 flush_scheduled_work();
517 cinergyt2_sleep(cinergyt2, 1);
522 return dvb_generic_release(inode, file);
525 static unsigned int cinergyt2_poll (struct file *file, struct poll_table_struct *wait)
527 struct dvb_device *dvbdev = file->private_data;
528 struct cinergyt2 *cinergyt2 = dvbdev->priv;
529 poll_wait(file, &cinergyt2->poll_wq, wait);
530 return (POLLIN | POLLRDNORM | POLLPRI);
534 static int cinergyt2_ioctl (struct inode *inode, struct file *file,
535 unsigned cmd, unsigned long arg)
537 struct dvb_device *dvbdev = file->private_data;
538 struct cinergyt2 *cinergyt2 = dvbdev->priv;
539 struct dvbt_get_status_msg *stat = &cinergyt2->status;
540 fe_status_t status = 0;
544 return copy_to_user((void __user*) arg, &cinergyt2_fe_info,
545 sizeof(struct dvb_frontend_info));
548 if (0xffff - le16_to_cpu(stat->gain) > 30)
549 status |= FE_HAS_SIGNAL;
550 if (stat->lock_bits & (1 << 6))
551 status |= FE_HAS_LOCK;
552 if (stat->lock_bits & (1 << 5))
553 status |= FE_HAS_SYNC;
554 if (stat->lock_bits & (1 << 4))
555 status |= FE_HAS_CARRIER;
556 if (stat->lock_bits & (1 << 1))
557 status |= FE_HAS_VITERBI;
559 return copy_to_user((void __user*) arg, &status, sizeof(status));
562 return put_user(le32_to_cpu(stat->viterbi_error_rate),
563 (__u32 __user *) arg);
565 case FE_READ_SIGNAL_STRENGTH:
566 return put_user(0xffff - le16_to_cpu(stat->gain),
567 (__u16 __user *) arg);
570 return put_user((stat->snr << 8) | stat->snr,
571 (__u16 __user *) arg);
573 case FE_READ_UNCORRECTED_BLOCKS:
574 /* UNC are already converted to host byte order... */
575 return put_user(stat->uncorrected_block_count,
576 (__u32 __user *) arg);
578 case FE_SET_FRONTEND:
580 struct dvbt_set_parameters_msg *param = &cinergyt2->param;
581 struct dvb_frontend_parameters p;
584 if ((file->f_flags & O_ACCMODE) == O_RDONLY)
587 if (copy_from_user(&p, (void __user*) arg, sizeof(p)))
590 if (down_interruptible(&cinergyt2->sem))
593 param->cmd = CINERGYT2_EP1_SET_TUNER_PARAMETERS;
594 param->tps = cpu_to_le16(compute_tps(&p));
595 param->freq = cpu_to_le32(p.frequency / 1000);
596 param->bandwidth = 8 - p.u.ofdm.bandwidth - BANDWIDTH_8_MHZ;
599 cinergyt2->pending_fe_events++;
600 wake_up_interruptible(&cinergyt2->poll_wq);
602 err = cinergyt2_command(cinergyt2,
603 (char *) param, sizeof(*param),
608 return (err < 0) ? err : 0;
611 case FE_GET_FRONTEND:
613 * trivial to implement (see struct dvbt_get_status_msg).
614 * equivalent to FE_READ ioctls, but needs
615 * TPS -> linux-dvb parameter set conversion. Feel free
616 * to implement this and send us a patch if you need this
624 * for now we only fill the status field. the parameters
625 * are trivial to fill as soon FE_GET_FRONTEND is done.
627 struct dvb_frontend_event __user *e = (void __user *) arg;
628 if (cinergyt2->pending_fe_events == 0) {
629 if (file->f_flags & O_NONBLOCK)
631 wait_event_interruptible(cinergyt2->poll_wq,
632 cinergyt2->pending_fe_events > 0);
634 cinergyt2->pending_fe_events = 0;
635 return cinergyt2_ioctl(inode, file, FE_READ_STATUS,
636 (unsigned long) &e->status);
646 static int cinergyt2_mmap(struct file *file, struct vm_area_struct *vma)
648 struct dvb_device *dvbdev = file->private_data;
649 struct cinergyt2 *cinergyt2 = dvbdev->priv;
654 if (vma->vm_flags & (VM_WRITE | VM_EXEC)) {
659 if (vma->vm_end > vma->vm_start + STREAM_URB_COUNT * STREAM_BUF_SIZE) {
664 vma->vm_flags |= (VM_IO | VM_DONTCOPY);
667 ret = remap_pfn_range(vma, vma->vm_start,
668 virt_to_phys(cinergyt2->streambuf) >> PAGE_SHIFT,
669 vma->vm_end - vma->vm_start,
670 vma->vm_page_prot) ? -EAGAIN : 0;
676 static struct file_operations cinergyt2_fops = {
677 .owner = THIS_MODULE,
678 .ioctl = cinergyt2_ioctl,
679 .poll = cinergyt2_poll,
680 .open = cinergyt2_open,
681 .release = cinergyt2_release,
682 .mmap = cinergyt2_mmap
685 static struct dvb_device cinergyt2_fe_template = {
689 .fops = &cinergyt2_fops
693 static void cinergyt2_query_rc (void *data)
695 struct cinergyt2 *cinergyt2 = (struct cinergyt2 *) data;
696 char buf [1] = { CINERGYT2_EP1_GET_RC_EVENTS };
697 struct cinergyt2_rc_event rc_events[12];
700 if (down_interruptible(&cinergyt2->sem))
703 len = cinergyt2_command(cinergyt2, buf, sizeof(buf),
704 (char *) rc_events, sizeof(rc_events));
706 for (n=0; len>0 && n<(len/sizeof(rc_events[0])); n++) {
709 if (rc_events[n].type == CINERGYT2_RC_EVENT_TYPE_NEC &&
710 rc_events[n].value == ~0)
713 * keyrepeat bit. If we would handle this properly
714 * we would need to emit down events as long the
715 * keyrepeat goes, a up event if no further
716 * repeat bits occur. Would need a timer to implement
717 * and no other driver does this, so we simply
718 * emit the last key up/down sequence again.
721 cinergyt2->rc_input_event = KEY_MAX;
722 for (i=0; i<sizeof(rc_keys)/sizeof(rc_keys[0]); i+=3) {
723 if (rc_keys[i+0] == rc_events[n].type &&
724 rc_keys[i+1] == rc_events[n].value)
726 cinergyt2->rc_input_event = rc_keys[i+2];
732 if (cinergyt2->rc_input_event != KEY_MAX) {
733 input_report_key(&cinergyt2->rc_input_dev, cinergyt2->rc_input_event, 1);
734 input_report_key(&cinergyt2->rc_input_dev, cinergyt2->rc_input_event, 0);
735 input_sync(&cinergyt2->rc_input_dev);
739 schedule_delayed_work(&cinergyt2->rc_query_work,
740 msecs_to_jiffies(RC_QUERY_INTERVAL));
746 static void cinergyt2_query (void *data)
748 struct cinergyt2 *cinergyt2 = (struct cinergyt2 *) data;
749 char cmd [] = { CINERGYT2_EP1_GET_TUNER_STATUS };
750 struct dvbt_get_status_msg *s = &cinergyt2->status;
754 if (down_interruptible(&cinergyt2->sem))
757 unc = s->uncorrected_block_count;
758 lock_bits = s->lock_bits;
760 cinergyt2_command(cinergyt2, cmd, sizeof(cmd), (char *) s, sizeof(*s));
762 unc += le32_to_cpu(s->uncorrected_block_count);
763 s->uncorrected_block_count = unc;
765 if (lock_bits != s->lock_bits) {
766 wake_up_interruptible(&cinergyt2->poll_wq);
767 cinergyt2->pending_fe_events++;
770 schedule_delayed_work(&cinergyt2->query_work,
771 msecs_to_jiffies(QUERY_INTERVAL));
776 static int cinergyt2_probe (struct usb_interface *intf,
777 const struct usb_device_id *id)
779 struct cinergyt2 *cinergyt2;
782 if (!(cinergyt2 = kmalloc (sizeof(struct cinergyt2), GFP_KERNEL))) {
783 dprintk(1, "out of memory?!?\n");
787 memset (cinergyt2, 0, sizeof (struct cinergyt2));
788 usb_set_intfdata (intf, (void *) cinergyt2);
790 init_MUTEX(&cinergyt2->sem);
791 init_waitqueue_head (&cinergyt2->poll_wq);
792 INIT_WORK(&cinergyt2->query_work, cinergyt2_query, cinergyt2);
794 cinergyt2->udev = interface_to_usbdev(intf);
795 cinergyt2->param.cmd = CINERGYT2_EP1_SET_TUNER_PARAMETERS;
797 if (cinergyt2_alloc_stream_urbs (cinergyt2) < 0) {
798 dprintk(1, "unable to allocate stream urbs\n");
803 dvb_register_adapter(&cinergyt2->adapter, DRIVER_NAME, THIS_MODULE);
805 cinergyt2->demux.priv = cinergyt2;
806 cinergyt2->demux.filternum = 256;
807 cinergyt2->demux.feednum = 256;
808 cinergyt2->demux.start_feed = cinergyt2_start_feed;
809 cinergyt2->demux.stop_feed = cinergyt2_stop_feed;
810 cinergyt2->demux.dmx.capabilities = DMX_TS_FILTERING |
811 DMX_SECTION_FILTERING |
812 DMX_MEMORY_BASED_FILTERING;
814 if ((err = dvb_dmx_init(&cinergyt2->demux)) < 0) {
815 dprintk(1, "dvb_dmx_init() failed (err = %d)\n", err);
819 cinergyt2->dmxdev.filternum = cinergyt2->demux.filternum;
820 cinergyt2->dmxdev.demux = &cinergyt2->demux.dmx;
821 cinergyt2->dmxdev.capabilities = 0;
823 if ((err = dvb_dmxdev_init(&cinergyt2->dmxdev, cinergyt2->adapter)) < 0) {
824 dprintk(1, "dvb_dmxdev_init() failed (err = %d)\n", err);
828 if (dvb_net_init(cinergyt2->adapter, &cinergyt2->dvbnet, &cinergyt2->demux.dmx))
829 dprintk(1, "dvb_net_init() failed!\n");
831 dvb_register_device(cinergyt2->adapter, &cinergyt2->fedev,
832 &cinergyt2_fe_template, cinergyt2,
833 DVB_DEVICE_FRONTEND);
836 init_input_dev(&cinergyt2->rc_input_dev);
838 cinergyt2->rc_input_dev.evbit[0] = BIT(EV_KEY);
839 cinergyt2->rc_input_dev.keycodesize = sizeof(unsigned char);
840 cinergyt2->rc_input_dev.keycodemax = KEY_MAX;
841 cinergyt2->rc_input_dev.name = DRIVER_NAME " remote control";
843 for (i=0; i<sizeof(rc_keys)/sizeof(rc_keys[0]); i+=3)
844 set_bit(rc_keys[i+2], cinergyt2->rc_input_dev.keybit);
846 input_register_device(&cinergyt2->rc_input_dev);
848 cinergyt2->rc_input_event = KEY_MAX;
850 INIT_WORK(&cinergyt2->rc_query_work, cinergyt2_query_rc, cinergyt2);
851 schedule_delayed_work(&cinergyt2->rc_query_work, HZ/2);
856 dvb_dmxdev_release(&cinergyt2->dmxdev);
857 dvb_dmx_release(&cinergyt2->demux);
858 dvb_unregister_adapter (cinergyt2->adapter);
859 cinergyt2_free_stream_urbs (cinergyt2);
864 static void cinergyt2_disconnect (struct usb_interface *intf)
866 struct cinergyt2 *cinergyt2 = usb_get_intfdata (intf);
868 if (down_interruptible(&cinergyt2->sem))
872 cancel_delayed_work(&cinergyt2->rc_query_work);
873 flush_scheduled_work();
874 input_unregister_device(&cinergyt2->rc_input_dev);
877 cinergyt2->demux.dmx.close(&cinergyt2->demux.dmx);
878 dvb_net_release(&cinergyt2->dvbnet);
879 dvb_dmxdev_release(&cinergyt2->dmxdev);
880 dvb_dmx_release(&cinergyt2->demux);
882 dvb_unregister_device(cinergyt2->fedev);
883 dvb_unregister_adapter(cinergyt2->adapter);
885 cinergyt2_free_stream_urbs(cinergyt2);
890 static int cinergyt2_suspend (struct usb_interface *intf, u32 state)
892 struct cinergyt2 *cinergyt2 = usb_get_intfdata (intf);
894 if (down_interruptible(&cinergyt2->sem))
897 if (state > 0) { /* state 0 seems to mean DEVICE_PM_ON */
898 struct cinergyt2 *cinergyt2 = usb_get_intfdata (intf);
900 cancel_delayed_work(&cinergyt2->rc_query_work);
902 cancel_delayed_work(&cinergyt2->query_work);
903 if (cinergyt2->streaming)
904 cinergyt2_stop_stream_xfer(cinergyt2);
905 flush_scheduled_work();
906 cinergyt2_sleep(cinergyt2, 1);
913 static int cinergyt2_resume (struct usb_interface *intf)
915 struct cinergyt2 *cinergyt2 = usb_get_intfdata (intf);
916 struct dvbt_set_parameters_msg *param = &cinergyt2->param;
918 if (down_interruptible(&cinergyt2->sem))
921 if (!cinergyt2->sleeping) {
922 cinergyt2_sleep(cinergyt2, 0);
923 cinergyt2_command(cinergyt2, (char *) param, sizeof(*param), NULL, 0);
924 if (cinergyt2->streaming)
925 cinergyt2_start_stream_xfer(cinergyt2);
926 schedule_delayed_work(&cinergyt2->query_work, HZ/2);
930 schedule_delayed_work(&cinergyt2->rc_query_work, HZ/2);
936 static const struct usb_device_id cinergyt2_table [] __devinitdata = {
937 { USB_DEVICE(0x0ccd, 0x0038) },
941 MODULE_DEVICE_TABLE(usb, cinergyt2_table);
943 static struct usb_driver cinergyt2_driver = {
944 .owner = THIS_MODULE,
946 .probe = cinergyt2_probe,
947 .disconnect = cinergyt2_disconnect,
948 .suspend = cinergyt2_suspend,
949 .resume = cinergyt2_resume,
950 .id_table = cinergyt2_table
953 static int __init cinergyt2_init (void)
957 if ((err = usb_register(&cinergyt2_driver)) < 0)
958 dprintk(1, "usb_register() failed! (err %i)\n", err);
963 static void __exit cinergyt2_exit (void)
965 usb_deregister(&cinergyt2_driver);
968 module_init (cinergyt2_init);
969 module_exit (cinergyt2_exit);
971 MODULE_LICENSE("GPL");
972 MODULE_AUTHOR("Holger Waechtler, Daniel Mack");