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/slab.h>
29 #include <linux/usb.h>
30 #include <linux/pci.h>
31 #include <linux/input.h>
32 #include <linux/dvb/frontend.h>
35 #include "dvb_demux.h"
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)
47 #define STREAM_URB_COUNT (32)
48 #define STREAM_BUF_SIZE (512) /* bytes */
50 #define RC_QUERY_INTERVAL (50) /* milliseconds */
51 #define QUERY_INTERVAL (333) /* milliseconds */
54 #define DRIVER_NAME "TerraTec/qanu USB2.0 Highspeed DVB-T Receiver"
57 module_param_named(debug, debug, int, 0644);
58 MODULE_PARM_DESC(debug, "Turn on/off debugging (default:off).");
60 #define dprintk(level, args...) \
62 if ((debug & level)) { \
63 printk("%s: %s(): ", KBUILD_MODNAME, \
68 enum 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
80 struct dvbt_set_parameters_msg {
86 } __attribute__((packed));
88 struct dvbt_get_status_msg {
95 uint32_t viterbi_error_rate;
96 uint32_t rs_error_rate;
97 uint32_t uncorrected_block_count;
99 uint8_t prev_lock_bits;
100 } __attribute__((packed));
102 static struct dvb_frontend_info cinergyt2_fe_info = {
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 |
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
117 struct dvb_demux demux;
118 struct usb_device *udev;
119 struct semaphore sem;
120 struct dvb_adapter adapter;
121 struct dvb_device *fedev;
122 struct dmxdev dmxdev;
123 struct dvb_net dvbnet;
128 struct dvbt_set_parameters_msg param;
129 struct dvbt_get_status_msg status;
130 struct work_struct query_work;
132 wait_queue_head_t poll_wq;
133 int pending_fe_events;
136 dma_addr_t streambuf_dmahandle;
137 struct urb *stream_urb [STREAM_URB_COUNT];
140 struct input_dev *rc_input_dev;
142 struct work_struct rc_query_work;
145 unsigned long last_event_jiffies;
150 CINERGYT2_RC_EVENT_TYPE_NONE = 0x00,
151 CINERGYT2_RC_EVENT_TYPE_NEC = 0x01,
152 CINERGYT2_RC_EVENT_TYPE_RC5 = 0x02
155 struct cinergyt2_rc_event {
158 } __attribute__((packed));
160 static const uint32_t rc_keys[] = {
161 CINERGYT2_RC_EVENT_TYPE_NEC, 0xfe01eb04, KEY_POWER,
162 CINERGYT2_RC_EVENT_TYPE_NEC, 0xfd02eb04, KEY_1,
163 CINERGYT2_RC_EVENT_TYPE_NEC, 0xfc03eb04, KEY_2,
164 CINERGYT2_RC_EVENT_TYPE_NEC, 0xfb04eb04, KEY_3,
165 CINERGYT2_RC_EVENT_TYPE_NEC, 0xfa05eb04, KEY_4,
166 CINERGYT2_RC_EVENT_TYPE_NEC, 0xf906eb04, KEY_5,
167 CINERGYT2_RC_EVENT_TYPE_NEC, 0xf807eb04, KEY_6,
168 CINERGYT2_RC_EVENT_TYPE_NEC, 0xf708eb04, KEY_7,
169 CINERGYT2_RC_EVENT_TYPE_NEC, 0xf609eb04, KEY_8,
170 CINERGYT2_RC_EVENT_TYPE_NEC, 0xf50aeb04, KEY_9,
171 CINERGYT2_RC_EVENT_TYPE_NEC, 0xf30ceb04, KEY_0,
172 CINERGYT2_RC_EVENT_TYPE_NEC, 0xf40beb04, KEY_VIDEO,
173 CINERGYT2_RC_EVENT_TYPE_NEC, 0xf20deb04, KEY_REFRESH,
174 CINERGYT2_RC_EVENT_TYPE_NEC, 0xf10eeb04, KEY_SELECT,
175 CINERGYT2_RC_EVENT_TYPE_NEC, 0xf00feb04, KEY_EPG,
176 CINERGYT2_RC_EVENT_TYPE_NEC, 0xef10eb04, KEY_UP,
177 CINERGYT2_RC_EVENT_TYPE_NEC, 0xeb14eb04, KEY_DOWN,
178 CINERGYT2_RC_EVENT_TYPE_NEC, 0xee11eb04, KEY_LEFT,
179 CINERGYT2_RC_EVENT_TYPE_NEC, 0xec13eb04, KEY_RIGHT,
180 CINERGYT2_RC_EVENT_TYPE_NEC, 0xed12eb04, KEY_OK,
181 CINERGYT2_RC_EVENT_TYPE_NEC, 0xea15eb04, KEY_TEXT,
182 CINERGYT2_RC_EVENT_TYPE_NEC, 0xe916eb04, KEY_INFO,
183 CINERGYT2_RC_EVENT_TYPE_NEC, 0xe817eb04, KEY_RED,
184 CINERGYT2_RC_EVENT_TYPE_NEC, 0xe718eb04, KEY_GREEN,
185 CINERGYT2_RC_EVENT_TYPE_NEC, 0xe619eb04, KEY_YELLOW,
186 CINERGYT2_RC_EVENT_TYPE_NEC, 0xe51aeb04, KEY_BLUE,
187 CINERGYT2_RC_EVENT_TYPE_NEC, 0xe31ceb04, KEY_VOLUMEUP,
188 CINERGYT2_RC_EVENT_TYPE_NEC, 0xe11eeb04, KEY_VOLUMEDOWN,
189 CINERGYT2_RC_EVENT_TYPE_NEC, 0xe21deb04, KEY_MUTE,
190 CINERGYT2_RC_EVENT_TYPE_NEC, 0xe41beb04, KEY_CHANNELUP,
191 CINERGYT2_RC_EVENT_TYPE_NEC, 0xe01feb04, KEY_CHANNELDOWN,
192 CINERGYT2_RC_EVENT_TYPE_NEC, 0xbf40eb04, KEY_PAUSE,
193 CINERGYT2_RC_EVENT_TYPE_NEC, 0xb34ceb04, KEY_PLAY,
194 CINERGYT2_RC_EVENT_TYPE_NEC, 0xa758eb04, KEY_RECORD,
195 CINERGYT2_RC_EVENT_TYPE_NEC, 0xab54eb04, KEY_PREVIOUS,
196 CINERGYT2_RC_EVENT_TYPE_NEC, 0xb748eb04, KEY_STOP,
197 CINERGYT2_RC_EVENT_TYPE_NEC, 0xa35ceb04, KEY_NEXT
200 static int cinergyt2_command (struct cinergyt2 *cinergyt2,
201 char *send_buf, int send_buf_len,
202 char *recv_buf, int recv_buf_len)
208 ret = usb_bulk_msg(cinergyt2->udev, usb_sndbulkpipe(cinergyt2->udev, 1),
209 send_buf, send_buf_len, &actual_len, 1000);
212 dprintk(1, "usb_bulk_msg (send) failed, err %i\n", ret);
217 ret = usb_bulk_msg(cinergyt2->udev, usb_rcvbulkpipe(cinergyt2->udev, 1),
218 recv_buf, recv_buf_len, &actual_len, 1000);
221 dprintk(1, "usb_bulk_msg (read) failed, err %i\n", ret);
223 return ret ? ret : actual_len;
226 static void cinergyt2_control_stream_transfer (struct cinergyt2 *cinergyt2, int enable)
228 char buf [] = { CINERGYT2_EP1_CONTROL_STREAM_TRANSFER, enable ? 1 : 0 };
229 cinergyt2_command(cinergyt2, buf, sizeof(buf), NULL, 0);
232 static void cinergyt2_sleep (struct cinergyt2 *cinergyt2, int sleep)
234 char buf [] = { CINERGYT2_EP1_SLEEP_MODE, sleep ? 1 : 0 };
235 cinergyt2_command(cinergyt2, buf, sizeof(buf), NULL, 0);
236 cinergyt2->sleeping = sleep;
239 static void cinergyt2_stream_irq (struct urb *urb, struct pt_regs *regs);
241 static int cinergyt2_submit_stream_urb (struct cinergyt2 *cinergyt2, struct urb *urb)
245 usb_fill_bulk_urb(urb,
247 usb_rcvbulkpipe(cinergyt2->udev, 0x2),
248 urb->transfer_buffer,
250 cinergyt2_stream_irq,
253 if ((err = usb_submit_urb(urb, GFP_ATOMIC)))
254 dprintk(1, "urb submission failed (err = %i)!\n", err);
259 static void cinergyt2_stream_irq (struct urb *urb, struct pt_regs *regs)
261 struct cinergyt2 *cinergyt2 = urb->context;
263 if (urb->actual_length > 0)
264 dvb_dmx_swfilter(&cinergyt2->demux,
265 urb->transfer_buffer, urb->actual_length);
267 if (cinergyt2->streaming)
268 cinergyt2_submit_stream_urb(cinergyt2, urb);
271 static void cinergyt2_free_stream_urbs (struct cinergyt2 *cinergyt2)
275 for (i=0; i<STREAM_URB_COUNT; i++)
276 if (cinergyt2->stream_urb[i])
277 usb_free_urb(cinergyt2->stream_urb[i]);
279 usb_buffer_free(cinergyt2->udev, STREAM_URB_COUNT*STREAM_BUF_SIZE,
280 cinergyt2->streambuf, cinergyt2->streambuf_dmahandle);
283 static int cinergyt2_alloc_stream_urbs (struct cinergyt2 *cinergyt2)
287 cinergyt2->streambuf = usb_buffer_alloc(cinergyt2->udev, STREAM_URB_COUNT*STREAM_BUF_SIZE,
288 SLAB_KERNEL, &cinergyt2->streambuf_dmahandle);
289 if (!cinergyt2->streambuf) {
290 dprintk(1, "failed to alloc consistent stream memory area, bailing out!\n");
294 memset(cinergyt2->streambuf, 0, STREAM_URB_COUNT*STREAM_BUF_SIZE);
296 for (i=0; i<STREAM_URB_COUNT; i++) {
299 if (!(urb = usb_alloc_urb(0, GFP_ATOMIC))) {
300 dprintk(1, "failed to alloc consistent stream urbs, bailing out!\n");
301 cinergyt2_free_stream_urbs(cinergyt2);
305 urb->transfer_buffer = cinergyt2->streambuf + i * STREAM_BUF_SIZE;
306 urb->transfer_buffer_length = STREAM_BUF_SIZE;
308 cinergyt2->stream_urb[i] = urb;
314 static void cinergyt2_stop_stream_xfer (struct cinergyt2 *cinergyt2)
318 cinergyt2_control_stream_transfer(cinergyt2, 0);
320 for (i=0; i<STREAM_URB_COUNT; i++)
321 if (cinergyt2->stream_urb[i])
322 usb_kill_urb(cinergyt2->stream_urb[i]);
325 static int cinergyt2_start_stream_xfer (struct cinergyt2 *cinergyt2)
329 for (i=0; i<STREAM_URB_COUNT; i++) {
330 if ((err = cinergyt2_submit_stream_urb(cinergyt2, cinergyt2->stream_urb[i]))) {
331 cinergyt2_stop_stream_xfer(cinergyt2);
332 dprintk(1, "failed urb submission (%i: err = %i)!\n", i, err);
337 cinergyt2_control_stream_transfer(cinergyt2, 1);
341 static int cinergyt2_start_feed(struct dvb_demux_feed *dvbdmxfeed)
343 struct dvb_demux *demux = dvbdmxfeed->demux;
344 struct cinergyt2 *cinergyt2 = demux->priv;
346 if (down_interruptible(&cinergyt2->sem))
349 if (cinergyt2->streaming == 0)
350 cinergyt2_start_stream_xfer(cinergyt2);
352 cinergyt2->streaming++;
357 static int cinergyt2_stop_feed(struct dvb_demux_feed *dvbdmxfeed)
359 struct dvb_demux *demux = dvbdmxfeed->demux;
360 struct cinergyt2 *cinergyt2 = demux->priv;
362 if (down_interruptible(&cinergyt2->sem))
365 if (--cinergyt2->streaming == 0)
366 cinergyt2_stop_stream_xfer(cinergyt2);
373 * convert linux-dvb frontend parameter set into TPS.
374 * See ETSI ETS-300744, section 4.6.2, table 9 for details.
376 * This function is probably reusable and may better get placed in a support
379 * We replace errornous fields by default TPS fields (the ones with value 0).
381 static uint16_t compute_tps (struct dvb_frontend_parameters *p)
383 struct dvb_ofdm_parameters *op = &p->u.ofdm;
386 switch (op->code_rate_HP) {
402 /* tps |= (0 << 7) */;
405 switch (op->code_rate_LP) {
421 /* tps |= (0 << 4) */;
424 switch (op->constellation) {
433 /* tps |= (0 << 13) */;
436 switch (op->transmission_mode) {
437 case TRANSMISSION_MODE_8K:
440 case TRANSMISSION_MODE_2K:
442 /* tps |= (0 << 0) */;
445 switch (op->guard_interval) {
446 case GUARD_INTERVAL_1_16:
449 case GUARD_INTERVAL_1_8:
452 case GUARD_INTERVAL_1_4:
455 case GUARD_INTERVAL_1_32:
457 /* tps |= (0 << 2) */;
460 switch (op->hierarchy_information) {
472 /* tps |= (0 << 10) */;
478 static int cinergyt2_open (struct inode *inode, struct file *file)
480 struct dvb_device *dvbdev = file->private_data;
481 struct cinergyt2 *cinergyt2 = dvbdev->priv;
484 if ((err = dvb_generic_open(inode, file)))
487 if (down_interruptible(&cinergyt2->sem))
490 if ((file->f_flags & O_ACCMODE) != O_RDONLY) {
491 cinergyt2_sleep(cinergyt2, 0);
492 schedule_delayed_work(&cinergyt2->query_work, HZ/2);
499 static int cinergyt2_release (struct inode *inode, struct file *file)
501 struct dvb_device *dvbdev = file->private_data;
502 struct cinergyt2 *cinergyt2 = dvbdev->priv;
504 if (down_interruptible(&cinergyt2->sem))
507 if ((file->f_flags & O_ACCMODE) != O_RDONLY) {
508 cancel_delayed_work(&cinergyt2->query_work);
509 flush_scheduled_work();
510 cinergyt2_sleep(cinergyt2, 1);
515 return dvb_generic_release(inode, file);
518 static unsigned int cinergyt2_poll (struct file *file, struct poll_table_struct *wait)
520 struct dvb_device *dvbdev = file->private_data;
521 struct cinergyt2 *cinergyt2 = dvbdev->priv;
522 poll_wait(file, &cinergyt2->poll_wq, wait);
523 return (POLLIN | POLLRDNORM | POLLPRI);
527 static int cinergyt2_ioctl (struct inode *inode, struct file *file,
528 unsigned cmd, unsigned long arg)
530 struct dvb_device *dvbdev = file->private_data;
531 struct cinergyt2 *cinergyt2 = dvbdev->priv;
532 struct dvbt_get_status_msg *stat = &cinergyt2->status;
533 fe_status_t status = 0;
537 return copy_to_user((void __user*) arg, &cinergyt2_fe_info,
538 sizeof(struct dvb_frontend_info));
541 if (0xffff - le16_to_cpu(stat->gain) > 30)
542 status |= FE_HAS_SIGNAL;
543 if (stat->lock_bits & (1 << 6))
544 status |= FE_HAS_LOCK;
545 if (stat->lock_bits & (1 << 5))
546 status |= FE_HAS_SYNC;
547 if (stat->lock_bits & (1 << 4))
548 status |= FE_HAS_CARRIER;
549 if (stat->lock_bits & (1 << 1))
550 status |= FE_HAS_VITERBI;
552 return copy_to_user((void __user*) arg, &status, sizeof(status));
555 return put_user(le32_to_cpu(stat->viterbi_error_rate),
556 (__u32 __user *) arg);
558 case FE_READ_SIGNAL_STRENGTH:
559 return put_user(0xffff - le16_to_cpu(stat->gain),
560 (__u16 __user *) arg);
563 return put_user((stat->snr << 8) | stat->snr,
564 (__u16 __user *) arg);
566 case FE_READ_UNCORRECTED_BLOCKS:
570 unc_count = stat->uncorrected_block_count;
571 stat->uncorrected_block_count = 0;
573 /* UNC are already converted to host byte order... */
574 return put_user(unc_count,(__u32 __user *) arg);
576 case FE_SET_FRONTEND:
578 struct dvbt_set_parameters_msg *param = &cinergyt2->param;
579 struct dvb_frontend_parameters p;
582 if ((file->f_flags & O_ACCMODE) == O_RDONLY)
585 if (copy_from_user(&p, (void __user*) arg, sizeof(p)))
588 if (down_interruptible(&cinergyt2->sem))
591 param->cmd = CINERGYT2_EP1_SET_TUNER_PARAMETERS;
592 param->tps = cpu_to_le16(compute_tps(&p));
593 param->freq = cpu_to_le32(p.frequency / 1000);
594 param->bandwidth = 8 - p.u.ofdm.bandwidth - BANDWIDTH_8_MHZ;
597 cinergyt2->pending_fe_events++;
598 wake_up_interruptible(&cinergyt2->poll_wq);
600 err = cinergyt2_command(cinergyt2,
601 (char *) param, sizeof(*param),
606 return (err < 0) ? err : 0;
609 case FE_GET_FRONTEND:
611 * trivial to implement (see struct dvbt_get_status_msg).
612 * equivalent to FE_READ ioctls, but needs
613 * TPS -> linux-dvb parameter set conversion. Feel free
614 * to implement this and send us a patch if you need this
622 * for now we only fill the status field. the parameters
623 * are trivial to fill as soon FE_GET_FRONTEND is done.
625 struct dvb_frontend_event __user *e = (void __user *) arg;
626 if (cinergyt2->pending_fe_events == 0) {
627 if (file->f_flags & O_NONBLOCK)
629 wait_event_interruptible(cinergyt2->poll_wq,
630 cinergyt2->pending_fe_events > 0);
632 cinergyt2->pending_fe_events = 0;
633 return cinergyt2_ioctl(inode, file, FE_READ_STATUS,
634 (unsigned long) &e->status);
644 static int cinergyt2_mmap(struct file *file, struct vm_area_struct *vma)
646 struct dvb_device *dvbdev = file->private_data;
647 struct cinergyt2 *cinergyt2 = dvbdev->priv;
652 if (vma->vm_flags & (VM_WRITE | VM_EXEC)) {
657 if (vma->vm_end > vma->vm_start + STREAM_URB_COUNT * STREAM_BUF_SIZE) {
662 vma->vm_flags |= (VM_IO | VM_DONTCOPY);
665 ret = remap_pfn_range(vma, vma->vm_start,
666 virt_to_phys(cinergyt2->streambuf) >> PAGE_SHIFT,
667 vma->vm_end - vma->vm_start,
668 vma->vm_page_prot) ? -EAGAIN : 0;
674 static struct file_operations cinergyt2_fops = {
675 .owner = THIS_MODULE,
676 .ioctl = cinergyt2_ioctl,
677 .poll = cinergyt2_poll,
678 .open = cinergyt2_open,
679 .release = cinergyt2_release,
680 .mmap = cinergyt2_mmap
683 static struct dvb_device cinergyt2_fe_template = {
687 .fops = &cinergyt2_fops
692 static void cinergyt2_query_rc (void *data)
694 struct cinergyt2 *cinergyt2 = data;
695 char buf[1] = { CINERGYT2_EP1_GET_RC_EVENTS };
696 struct cinergyt2_rc_event rc_events[12];
699 if (down_interruptible(&cinergyt2->sem))
702 len = cinergyt2_command(cinergyt2, buf, sizeof(buf),
703 (char *) rc_events, sizeof(rc_events));
707 if (time_after(jiffies, cinergyt2->last_event_jiffies +
708 msecs_to_jiffies(150))) {
709 /* stop key repeat */
710 if (cinergyt2->rc_input_event != KEY_MAX) {
711 dprintk(1, "rc_input_event=%d Up\n", cinergyt2->rc_input_event);
712 input_report_key(cinergyt2->rc_input_dev,
713 cinergyt2->rc_input_event, 0);
714 cinergyt2->rc_input_event = KEY_MAX;
716 cinergyt2->rc_last_code = ~0;
720 cinergyt2->last_event_jiffies = jiffies;
722 for (n = 0; n < (len / sizeof(rc_events[0])); n++) {
723 dprintk(1, "rc_events[%d].value = %x, type=%x\n",
724 n, le32_to_cpu(rc_events[n].value), rc_events[n].type);
726 if (rc_events[n].type == CINERGYT2_RC_EVENT_TYPE_NEC &&
727 rc_events[n].value == ~0) {
728 /* keyrepeat bit -> just repeat last rc_input_event */
730 cinergyt2->rc_input_event = KEY_MAX;
731 for (i = 0; i < ARRAY_SIZE(rc_keys); i += 3) {
732 if (rc_keys[i + 0] == rc_events[n].type &&
733 rc_keys[i + 1] == le32_to_cpu(rc_events[n].value)) {
734 cinergyt2->rc_input_event = rc_keys[i + 2];
740 if (cinergyt2->rc_input_event != KEY_MAX) {
741 if (rc_events[n].value == cinergyt2->rc_last_code &&
742 cinergyt2->rc_last_code != ~0) {
743 /* emit a key-up so the double event is recognized */
744 dprintk(1, "rc_input_event=%d UP\n", cinergyt2->rc_input_event);
745 input_report_key(cinergyt2->rc_input_dev,
746 cinergyt2->rc_input_event, 0);
748 dprintk(1, "rc_input_event=%d\n", cinergyt2->rc_input_event);
749 input_report_key(cinergyt2->rc_input_dev,
750 cinergyt2->rc_input_event, 1);
751 cinergyt2->rc_last_code = rc_events[n].value;
756 schedule_delayed_work(&cinergyt2->rc_query_work,
757 msecs_to_jiffies(RC_QUERY_INTERVAL));
762 static int cinergyt2_register_rc(struct cinergyt2 *cinergyt2)
764 struct input_dev *input_dev;
767 cinergyt2->rc_input_dev = input_dev = input_allocate_device();
771 usb_make_path(cinergyt2->udev, cinergyt2->phys, sizeof(cinergyt2->phys));
772 strlcat(cinergyt2->phys, "/input0", sizeof(cinergyt2->phys));
773 cinergyt2->rc_input_event = KEY_MAX;
774 cinergyt2->rc_last_code = ~0;
775 INIT_WORK(&cinergyt2->rc_query_work, cinergyt2_query_rc, cinergyt2);
777 input_dev->name = DRIVER_NAME " remote control";
778 input_dev->phys = cinergyt2->phys;
779 input_dev->evbit[0] = BIT(EV_KEY) | BIT(EV_REP);
780 for (i = 0; i < ARRAY_SIZE(rc_keys); i += 3)
781 set_bit(rc_keys[i + 2], input_dev->keybit);
782 input_dev->keycodesize = 0;
783 input_dev->keycodemax = 0;
785 input_register_device(cinergyt2->rc_input_dev);
786 schedule_delayed_work(&cinergyt2->rc_query_work, HZ/2);
791 static void cinergyt2_unregister_rc(struct cinergyt2 *cinergyt2)
793 cancel_delayed_work(&cinergyt2->rc_query_work);
794 flush_scheduled_work();
795 input_unregister_device(cinergyt2->rc_input_dev);
798 static inline void cinergyt2_suspend_rc(struct cinergyt2 *cinergyt2)
800 cancel_delayed_work(&cinergyt2->rc_query_work);
803 static inline void cinergyt2_resume_rc(struct cinergyt2 *cinergyt2)
805 schedule_delayed_work(&cinergyt2->rc_query_work, HZ/2);
810 static inline int cinergyt2_register_rc(struct cinergyt2 *cinergyt2) { return 0; }
811 static inline void cinergyt2_unregister_rc(struct cinergyt2 *cinergyt2) { }
812 static inline void cinergyt2_suspend_rc(struct cinergyt2 *cinergyt2) { }
813 static inline void cinergyt2_resume_rc(struct cinergyt2 *cinergyt2) { }
815 #endif /* ENABLE_RC */
817 static void cinergyt2_query (void *data)
819 struct cinergyt2 *cinergyt2 = (struct cinergyt2 *) data;
820 char cmd [] = { CINERGYT2_EP1_GET_TUNER_STATUS };
821 struct dvbt_get_status_msg *s = &cinergyt2->status;
825 if (down_interruptible(&cinergyt2->sem))
828 unc = s->uncorrected_block_count;
829 lock_bits = s->lock_bits;
831 cinergyt2_command(cinergyt2, cmd, sizeof(cmd), (char *) s, sizeof(*s));
833 unc += le32_to_cpu(s->uncorrected_block_count);
834 s->uncorrected_block_count = unc;
836 if (lock_bits != s->lock_bits) {
837 wake_up_interruptible(&cinergyt2->poll_wq);
838 cinergyt2->pending_fe_events++;
841 schedule_delayed_work(&cinergyt2->query_work,
842 msecs_to_jiffies(QUERY_INTERVAL));
847 static int cinergyt2_probe (struct usb_interface *intf,
848 const struct usb_device_id *id)
850 struct cinergyt2 *cinergyt2;
853 if (!(cinergyt2 = kmalloc (sizeof(struct cinergyt2), GFP_KERNEL))) {
854 dprintk(1, "out of memory?!?\n");
858 memset (cinergyt2, 0, sizeof (struct cinergyt2));
859 usb_set_intfdata (intf, (void *) cinergyt2);
861 init_MUTEX(&cinergyt2->sem);
862 init_waitqueue_head (&cinergyt2->poll_wq);
863 INIT_WORK(&cinergyt2->query_work, cinergyt2_query, cinergyt2);
865 cinergyt2->udev = interface_to_usbdev(intf);
866 cinergyt2->param.cmd = CINERGYT2_EP1_SET_TUNER_PARAMETERS;
868 if (cinergyt2_alloc_stream_urbs (cinergyt2) < 0) {
869 dprintk(1, "unable to allocate stream urbs\n");
874 dvb_register_adapter(&cinergyt2->adapter, DRIVER_NAME, THIS_MODULE);
876 cinergyt2->demux.priv = cinergyt2;
877 cinergyt2->demux.filternum = 256;
878 cinergyt2->demux.feednum = 256;
879 cinergyt2->demux.start_feed = cinergyt2_start_feed;
880 cinergyt2->demux.stop_feed = cinergyt2_stop_feed;
881 cinergyt2->demux.dmx.capabilities = DMX_TS_FILTERING |
882 DMX_SECTION_FILTERING |
883 DMX_MEMORY_BASED_FILTERING;
885 if ((err = dvb_dmx_init(&cinergyt2->demux)) < 0) {
886 dprintk(1, "dvb_dmx_init() failed (err = %d)\n", err);
890 cinergyt2->dmxdev.filternum = cinergyt2->demux.filternum;
891 cinergyt2->dmxdev.demux = &cinergyt2->demux.dmx;
892 cinergyt2->dmxdev.capabilities = 0;
894 if ((err = dvb_dmxdev_init(&cinergyt2->dmxdev, &cinergyt2->adapter)) < 0) {
895 dprintk(1, "dvb_dmxdev_init() failed (err = %d)\n", err);
899 if (dvb_net_init(&cinergyt2->adapter, &cinergyt2->dvbnet, &cinergyt2->demux.dmx))
900 dprintk(1, "dvb_net_init() failed!\n");
902 dvb_register_device(&cinergyt2->adapter, &cinergyt2->fedev,
903 &cinergyt2_fe_template, cinergyt2,
904 DVB_DEVICE_FRONTEND);
906 err = cinergyt2_register_rc(cinergyt2);
913 dvb_dmxdev_release(&cinergyt2->dmxdev);
914 dvb_dmx_release(&cinergyt2->demux);
915 dvb_unregister_adapter(&cinergyt2->adapter);
916 cinergyt2_free_stream_urbs(cinergyt2);
921 static void cinergyt2_disconnect (struct usb_interface *intf)
923 struct cinergyt2 *cinergyt2 = usb_get_intfdata (intf);
925 if (down_interruptible(&cinergyt2->sem))
928 cinergyt2_unregister_rc(cinergyt2);
930 cinergyt2->demux.dmx.close(&cinergyt2->demux.dmx);
931 dvb_net_release(&cinergyt2->dvbnet);
932 dvb_dmxdev_release(&cinergyt2->dmxdev);
933 dvb_dmx_release(&cinergyt2->demux);
934 dvb_unregister_device(cinergyt2->fedev);
935 dvb_unregister_adapter(&cinergyt2->adapter);
937 cinergyt2_free_stream_urbs(cinergyt2);
942 static int cinergyt2_suspend (struct usb_interface *intf, pm_message_t state)
944 struct cinergyt2 *cinergyt2 = usb_get_intfdata (intf);
946 if (down_interruptible(&cinergyt2->sem))
949 if (state.event > PM_EVENT_ON) {
950 struct cinergyt2 *cinergyt2 = usb_get_intfdata (intf);
952 cinergyt2_suspend_rc(cinergyt2);
953 cancel_delayed_work(&cinergyt2->query_work);
954 if (cinergyt2->streaming)
955 cinergyt2_stop_stream_xfer(cinergyt2);
956 flush_scheduled_work();
957 cinergyt2_sleep(cinergyt2, 1);
964 static int cinergyt2_resume (struct usb_interface *intf)
966 struct cinergyt2 *cinergyt2 = usb_get_intfdata (intf);
967 struct dvbt_set_parameters_msg *param = &cinergyt2->param;
969 if (down_interruptible(&cinergyt2->sem))
972 if (!cinergyt2->sleeping) {
973 cinergyt2_sleep(cinergyt2, 0);
974 cinergyt2_command(cinergyt2, (char *) param, sizeof(*param), NULL, 0);
975 if (cinergyt2->streaming)
976 cinergyt2_start_stream_xfer(cinergyt2);
977 schedule_delayed_work(&cinergyt2->query_work, HZ/2);
980 cinergyt2_resume_rc(cinergyt2);
986 static const struct usb_device_id cinergyt2_table [] __devinitdata = {
987 { USB_DEVICE(0x0ccd, 0x0038) },
991 MODULE_DEVICE_TABLE(usb, cinergyt2_table);
993 static struct usb_driver cinergyt2_driver = {
995 .probe = cinergyt2_probe,
996 .disconnect = cinergyt2_disconnect,
997 .suspend = cinergyt2_suspend,
998 .resume = cinergyt2_resume,
999 .id_table = cinergyt2_table
1002 static int __init cinergyt2_init (void)
1006 if ((err = usb_register(&cinergyt2_driver)) < 0)
1007 dprintk(1, "usb_register() failed! (err %i)\n", err);
1012 static void __exit cinergyt2_exit (void)
1014 usb_deregister(&cinergyt2_driver);
1017 module_init (cinergyt2_init);
1018 module_exit (cinergyt2_exit);
1020 MODULE_LICENSE("GPL");
1021 MODULE_AUTHOR("Holger Waechtler, Daniel Mack");