2 CA-driver for TwinHan DST Frontend/Card
4 Copyright (C) 2004, 2005 Manu Abraham (manu@kromtek.com)
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; either version 2 of the License, or
9 (at your option) any later version.
11 This program is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with this program; if not, write to the Free Software
18 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
21 #include <linux/kernel.h>
22 #include <linux/module.h>
23 #include <linux/init.h>
24 #include <linux/smp_lock.h>
25 #include <linux/string.h>
26 #include <linux/dvb/ca.h>
28 #include "dvb_frontend.h"
30 #include "dst_common.h"
32 #define DST_CA_ERROR 0
33 #define DST_CA_NOTICE 1
35 #define DST_CA_DEBUG 3
37 #define dprintk(x, y, z, format, arg...) do { \
39 if ((x > DST_CA_ERROR) && (x > y)) \
40 printk(KERN_ERR "%s: " format "\n", __func__ , ##arg); \
41 else if ((x > DST_CA_NOTICE) && (x > y)) \
42 printk(KERN_NOTICE "%s: " format "\n", __func__ , ##arg); \
43 else if ((x > DST_CA_INFO) && (x > y)) \
44 printk(KERN_INFO "%s: " format "\n", __func__ , ##arg); \
45 else if ((x > DST_CA_DEBUG) && (x > y)) \
46 printk(KERN_DEBUG "%s: " format "\n", __func__ , ##arg); \
49 printk(format, ## arg); \
54 static unsigned int verbose = 5;
55 module_param(verbose, int, 0644);
56 MODULE_PARM_DESC(verbose, "verbose startup messages, default is 1 (yes)");
58 /* Need some more work */
59 static int ca_set_slot_descr(void)
61 /* We could make this more graceful ? */
65 /* Need some more work */
66 static int ca_set_pid(void)
68 /* We could make this more graceful ? */
72 static void put_command_and_length(u8 *data, int command, int length)
74 data[0] = (command >> 16) & 0xff;
75 data[1] = (command >> 8) & 0xff;
76 data[2] = command & 0xff;
80 static void put_checksum(u8 *check_string, int length)
82 dprintk(verbose, DST_CA_DEBUG, 1, " Computing string checksum.");
83 dprintk(verbose, DST_CA_DEBUG, 1, " -> string length : 0x%02x", length);
84 check_string[length] = dst_check_sum (check_string, length);
85 dprintk(verbose, DST_CA_DEBUG, 1, " -> checksum : 0x%02x", check_string[length]);
88 static int dst_ci_command(struct dst_state* state, u8 * data, u8 *ca_string, u8 len, int read)
92 mutex_lock(&state->dst_mutex);
96 if (write_dst(state, data, len)) {
97 dprintk(verbose, DST_CA_INFO, 1, " Write not successful, trying to recover");
98 dst_error_recovery(state);
101 if ((dst_pio_disable(state)) < 0) {
102 dprintk(verbose, DST_CA_ERROR, 1, " DST PIO disable failed.");
105 if (read_dst(state, &reply, GET_ACK) < 0) {
106 dprintk(verbose, DST_CA_INFO, 1, " Read not successful, trying to recover");
107 dst_error_recovery(state);
111 if (! dst_wait_dst_ready(state, LONG_DELAY)) {
112 dprintk(verbose, DST_CA_NOTICE, 1, " 8820 not ready");
115 if (read_dst(state, ca_string, 128) < 0) { /* Try to make this dynamic */
116 dprintk(verbose, DST_CA_INFO, 1, " Read not successful, trying to recover");
117 dst_error_recovery(state);
121 mutex_unlock(&state->dst_mutex);
125 mutex_unlock(&state->dst_mutex);
130 static int dst_put_ci(struct dst_state *state, u8 *data, int len, u8 *ca_string, int read)
132 u8 dst_ca_comm_err = 0;
134 while (dst_ca_comm_err < RETRIES) {
135 dprintk(verbose, DST_CA_NOTICE, 1, " Put Command");
136 if (dst_ci_command(state, data, ca_string, len, read)) { // If error
137 dst_error_recovery(state);
138 dst_ca_comm_err++; // work required here.
144 if(dst_ca_comm_err == RETRIES)
152 static int ca_get_app_info(struct dst_state *state)
154 int length, str_length;
155 static u8 command[8] = {0x07, 0x40, 0x01, 0x00, 0x01, 0x00, 0x00, 0xff};
157 put_checksum(&command[0], command[0]);
158 if ((dst_put_ci(state, command, sizeof(command), state->messages, GET_REPLY)) < 0) {
159 dprintk(verbose, DST_CA_ERROR, 1, " -->dst_put_ci FAILED !");
162 dprintk(verbose, DST_CA_INFO, 1, " -->dst_put_ci SUCCESS !");
163 dprintk(verbose, DST_CA_INFO, 1, " ================================ CI Module Application Info ======================================");
164 dprintk(verbose, DST_CA_INFO, 1, " Application Type=[%d], Application Vendor=[%d], Vendor Code=[%d]\n%s: Application info=[%s]",
165 state->messages[7], (state->messages[8] << 8) | state->messages[9],
166 (state->messages[10] << 8) | state->messages[11], __func__, (char *)(&state->messages[12]));
167 dprintk(verbose, DST_CA_INFO, 1, " ==================================================================================================");
169 // Transform dst message to correct application_info message
170 length = state->messages[5];
171 str_length = length - 6;
172 if (str_length < 0) {
174 dprintk(verbose, DST_CA_ERROR, 1, "Invalid string length returned in ca_get_app_info(). Recovering.");
177 // First, the command and length fields
178 put_command_and_length(&state->messages[0], CA_APP_INFO, length);
180 // Copy application_type, application_manufacturer and manufacturer_code
181 memcpy(&state->messages[4], &state->messages[7], 5);
183 // Set string length and copy string
184 state->messages[9] = str_length;
185 memcpy(&state->messages[10], &state->messages[12], str_length);
190 static int ca_get_ca_info(struct dst_state *state)
192 int srcPtr, dstPtr, i, num_ids;
193 static u8 slot_command[8] = {0x07, 0x40, 0x00, 0x00, 0x02, 0x00, 0x00, 0xff};
194 const int in_system_id_pos = 8, out_system_id_pos = 4, in_num_ids_pos = 7;
196 put_checksum(&slot_command[0], slot_command[0]);
197 if ((dst_put_ci(state, slot_command, sizeof (slot_command), state->messages, GET_REPLY)) < 0) {
198 dprintk(verbose, DST_CA_ERROR, 1, " -->dst_put_ci FAILED !");
201 dprintk(verbose, DST_CA_INFO, 1, " -->dst_put_ci SUCCESS !");
204 dprintk(verbose, DST_CA_INFO, 0, " DST data = [");
205 for (i = 0; i < state->messages[0] + 1; i++) {
206 dprintk(verbose, DST_CA_INFO, 0, " 0x%02x", state->messages[i]);
208 dprintk(verbose, DST_CA_INFO, 0, "]\n");
210 // Set the command and length of the output
211 num_ids = state->messages[in_num_ids_pos];
212 if (num_ids >= 100) {
214 dprintk(verbose, DST_CA_ERROR, 1, "Invalid number of ids (>100). Recovering.");
216 put_command_and_length(&state->messages[0], CA_INFO, num_ids * 2);
218 dprintk(verbose, DST_CA_INFO, 0, " CA_INFO = [");
219 srcPtr = in_system_id_pos;
220 dstPtr = out_system_id_pos;
221 for(i = 0; i < num_ids; i++) {
222 dprintk(verbose, DST_CA_INFO, 0, " 0x%02x%02x", state->messages[srcPtr + 0], state->messages[srcPtr + 1]);
224 state->messages[dstPtr + 0] = state->messages[srcPtr + 0];
225 state->messages[dstPtr + 1] = state->messages[srcPtr + 1];
229 dprintk(verbose, DST_CA_INFO, 0, "]\n");
234 static int ca_get_slot_caps(struct dst_state *state, struct ca_caps *p_ca_caps, void __user *arg)
238 static u8 slot_command[8] = {0x07, 0x40, 0x02, 0x00, 0x02, 0x00, 0x00, 0xff};
240 put_checksum(&slot_command[0], slot_command[0]);
241 if ((dst_put_ci(state, slot_command, sizeof (slot_command), slot_cap, GET_REPLY)) < 0) {
242 dprintk(verbose, DST_CA_ERROR, 1, " -->dst_put_ci FAILED !");
245 dprintk(verbose, DST_CA_NOTICE, 1, " -->dst_put_ci SUCCESS !");
247 /* Will implement the rest soon */
249 dprintk(verbose, DST_CA_INFO, 1, " Slot cap = [%d]", slot_cap[7]);
250 dprintk(verbose, DST_CA_INFO, 0, "===================================\n");
251 for (i = 0; i < slot_cap[0] + 1; i++)
252 dprintk(verbose, DST_CA_INFO, 0, " %d", slot_cap[i]);
253 dprintk(verbose, DST_CA_INFO, 0, "\n");
255 p_ca_caps->slot_num = 1;
256 p_ca_caps->slot_type = 1;
257 p_ca_caps->descr_num = slot_cap[7];
258 p_ca_caps->descr_type = 1;
260 if (copy_to_user(arg, p_ca_caps, sizeof (struct ca_caps)))
266 /* Need some more work */
267 static int ca_get_slot_descr(struct dst_state *state, struct ca_msg *p_ca_message, void __user *arg)
273 static int ca_get_slot_info(struct dst_state *state, struct ca_slot_info *p_ca_slot_info, void __user *arg)
276 static u8 slot_command[8] = {0x00, 0x05, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff};
278 u8 *slot_info = state->messages;
280 put_checksum(&slot_command[0], 7);
281 if ((dst_put_ci(state, slot_command, sizeof (slot_command), slot_info, GET_REPLY)) < 0) {
282 dprintk(verbose, DST_CA_ERROR, 1, " -->dst_put_ci FAILED !");
285 dprintk(verbose, DST_CA_INFO, 1, " -->dst_put_ci SUCCESS !");
287 /* Will implement the rest soon */
289 dprintk(verbose, DST_CA_INFO, 1, " Slot info = [%d]", slot_info[3]);
290 dprintk(verbose, DST_CA_INFO, 0, "===================================\n");
291 for (i = 0; i < 8; i++)
292 dprintk(verbose, DST_CA_INFO, 0, " %d", slot_info[i]);
293 dprintk(verbose, DST_CA_INFO, 0, "\n");
295 if (slot_info[4] & 0x80) {
296 p_ca_slot_info->flags = CA_CI_MODULE_PRESENT;
297 p_ca_slot_info->num = 1;
298 p_ca_slot_info->type = CA_CI;
299 } else if (slot_info[4] & 0x40) {
300 p_ca_slot_info->flags = CA_CI_MODULE_READY;
301 p_ca_slot_info->num = 1;
302 p_ca_slot_info->type = CA_CI;
304 p_ca_slot_info->flags = 0;
306 if (copy_to_user(arg, p_ca_slot_info, sizeof (struct ca_slot_info)))
313 static int ca_get_message(struct dst_state *state, struct ca_msg *p_ca_message, void __user *arg)
318 if (copy_from_user(p_ca_message, arg, sizeof (struct ca_msg)))
321 if (p_ca_message->msg) {
322 dprintk(verbose, DST_CA_NOTICE, 1, " Message = [%02x %02x %02x]", p_ca_message->msg[0], p_ca_message->msg[1], p_ca_message->msg[2]);
324 for (i = 0; i < 3; i++) {
325 command = command | p_ca_message->msg[i];
327 command = command << 8;
329 dprintk(verbose, DST_CA_NOTICE, 1, " Command=[0x%x]", command);
333 memcpy(p_ca_message->msg, state->messages, 128);
334 if (copy_to_user(arg, p_ca_message, sizeof (struct ca_msg)) )
338 memcpy(p_ca_message->msg, state->messages, 128);
339 if (copy_to_user(arg, p_ca_message, sizeof (struct ca_msg)) )
348 static int handle_dst_tag(struct dst_state *state, struct ca_msg *p_ca_message, struct ca_msg *hw_buffer, u32 length)
350 if (state->dst_hw_cap & DST_TYPE_HAS_SESSION) {
351 hw_buffer->msg[2] = p_ca_message->msg[1]; /* MSB */
352 hw_buffer->msg[3] = p_ca_message->msg[2]; /* LSB */
355 dprintk(verbose, DST_CA_ERROR, 1, " Message too long ! *** Bailing Out *** !");
358 hw_buffer->msg[0] = (length & 0xff) + 7;
359 hw_buffer->msg[1] = 0x40;
360 hw_buffer->msg[2] = 0x03;
361 hw_buffer->msg[3] = 0x00;
362 hw_buffer->msg[4] = 0x03;
363 hw_buffer->msg[5] = length & 0xff;
364 hw_buffer->msg[6] = 0x00;
367 * Need to compute length for EN50221 section 8.3.2, for the time being
368 * assuming 8.3.2 is not applicable
370 memcpy(&hw_buffer->msg[7], &p_ca_message->msg[4], length);
376 static int write_to_8820(struct dst_state *state, struct ca_msg *hw_buffer, u8 length, u8 reply)
378 if ((dst_put_ci(state, hw_buffer->msg, length, hw_buffer->msg, reply)) < 0) {
379 dprintk(verbose, DST_CA_ERROR, 1, " DST-CI Command failed.");
380 dprintk(verbose, DST_CA_NOTICE, 1, " Resetting DST.");
381 rdc_reset_state(state);
384 dprintk(verbose, DST_CA_NOTICE, 1, " DST-CI Command success.");
389 static u32 asn_1_decode(u8 *asn_1_array)
391 u8 length_field = 0, word_count = 0, count = 0;
394 length_field = asn_1_array[0];
395 dprintk(verbose, DST_CA_DEBUG, 1, " Length field=[%02x]", length_field);
396 if (length_field < 0x80) {
397 length = length_field & 0x7f;
398 dprintk(verbose, DST_CA_DEBUG, 1, " Length=[%02x]\n", length);
400 word_count = length_field & 0x7f;
401 for (count = 0; count < word_count; count++) {
402 length = length << 8;
403 length += asn_1_array[count + 1];
404 dprintk(verbose, DST_CA_DEBUG, 1, " Length=[%04x]", length);
410 static int debug_string(u8 *msg, u32 length, u32 offset)
414 dprintk(verbose, DST_CA_DEBUG, 0, " String=[ ");
415 for (i = offset; i < length; i++)
416 dprintk(verbose, DST_CA_DEBUG, 0, "%02x ", msg[i]);
417 dprintk(verbose, DST_CA_DEBUG, 0, "]\n");
423 static int ca_set_pmt(struct dst_state *state, struct ca_msg *p_ca_message, struct ca_msg *hw_buffer, u8 reply, u8 query)
428 length = asn_1_decode(&p_ca_message->msg[3]);
429 dprintk(verbose, DST_CA_DEBUG, 1, " CA Message length=[%d]", length);
430 debug_string(&p_ca_message->msg[4], length, 0); /* length is excluding tag & length */
432 memset(hw_buffer->msg, '\0', length);
433 handle_dst_tag(state, p_ca_message, hw_buffer, length);
434 put_checksum(hw_buffer->msg, hw_buffer->msg[0]);
436 debug_string(hw_buffer->msg, (length + tag_length), 0); /* tags too */
437 write_to_8820(state, hw_buffer, (length + tag_length), reply);
443 /* Board supports CA PMT reply ? */
444 static int dst_check_ca_pmt(struct dst_state *state, struct ca_msg *p_ca_message, struct ca_msg *hw_buffer)
446 int ca_pmt_reply_test = 0;
449 /* Not there yet but soon */
451 /* CA PMT Reply capable */
452 if (ca_pmt_reply_test) {
453 if ((ca_set_pmt(state, p_ca_message, hw_buffer, 1, GET_REPLY)) < 0) {
454 dprintk(verbose, DST_CA_ERROR, 1, " ca_set_pmt.. failed !");
458 /* Process CA PMT Reply */
459 /* will implement soon */
460 dprintk(verbose, DST_CA_ERROR, 1, " Not there yet");
462 /* CA PMT Reply not capable */
463 if (!ca_pmt_reply_test) {
464 if ((ca_set_pmt(state, p_ca_message, hw_buffer, 0, NO_REPLY)) < 0) {
465 dprintk(verbose, DST_CA_ERROR, 1, " ca_set_pmt.. failed !");
468 dprintk(verbose, DST_CA_NOTICE, 1, " ca_set_pmt.. success !");
469 /* put a dummy message */
475 static int ca_send_message(struct dst_state *state, struct ca_msg *p_ca_message, void __user *arg)
478 unsigned int ca_message_header_len;
481 struct ca_msg *hw_buffer;
484 if ((hw_buffer = kmalloc(sizeof (struct ca_msg), GFP_KERNEL)) == NULL) {
485 dprintk(verbose, DST_CA_ERROR, 1, " Memory allocation failure");
488 dprintk(verbose, DST_CA_DEBUG, 1, " ");
490 if (copy_from_user(p_ca_message, arg, sizeof (struct ca_msg))) {
492 goto free_mem_and_exit;
496 if (p_ca_message->msg) {
497 ca_message_header_len = p_ca_message->length; /* Restore it back when you are done */
501 for (i = 0; i < 3; i++) {
502 command = command | p_ca_message->msg[i];
504 command = command << 8;
506 dprintk(verbose, DST_CA_DEBUG, 1, " Command=[0x%x]\n", command);
510 dprintk(verbose, DST_CA_DEBUG, 1, "Command = SEND_CA_PMT");
511 if ((ca_set_pmt(state, p_ca_message, hw_buffer, 0, 0)) < 0) { // code simplification started
512 dprintk(verbose, DST_CA_ERROR, 1, " -->CA_PMT Failed !");
514 goto free_mem_and_exit;
516 dprintk(verbose, DST_CA_INFO, 1, " -->CA_PMT Success !");
519 dprintk(verbose, DST_CA_INFO, 1, "Command = CA_PMT_REPLY");
520 /* Have to handle the 2 basic types of cards here */
521 if ((dst_check_ca_pmt(state, p_ca_message, hw_buffer)) < 0) {
522 dprintk(verbose, DST_CA_ERROR, 1, " -->CA_PMT_REPLY Failed !");
524 goto free_mem_and_exit;
526 dprintk(verbose, DST_CA_INFO, 1, " -->CA_PMT_REPLY Success !");
528 case CA_APP_INFO_ENQUIRY: // only for debugging
529 dprintk(verbose, DST_CA_INFO, 1, " Getting Cam Application information");
531 if ((ca_get_app_info(state)) < 0) {
532 dprintk(verbose, DST_CA_ERROR, 1, " -->CA_APP_INFO_ENQUIRY Failed !");
534 goto free_mem_and_exit;
536 dprintk(verbose, DST_CA_INFO, 1, " -->CA_APP_INFO_ENQUIRY Success !");
538 case CA_INFO_ENQUIRY:
539 dprintk(verbose, DST_CA_INFO, 1, " Getting CA Information");
541 if ((ca_get_ca_info(state)) < 0) {
542 dprintk(verbose, DST_CA_ERROR, 1, " -->CA_INFO_ENQUIRY Failed !");
544 goto free_mem_and_exit;
546 dprintk(verbose, DST_CA_INFO, 1, " -->CA_INFO_ENQUIRY Success !");
556 static long dst_ca_ioctl(struct file *file, unsigned int cmd, unsigned long ioctl_arg)
558 struct dvb_device *dvbdev;
559 struct dst_state *state;
560 struct ca_slot_info *p_ca_slot_info;
561 struct ca_caps *p_ca_caps;
562 struct ca_msg *p_ca_message;
563 void __user *arg = (void __user *)ioctl_arg;
567 dvbdev = (struct dvb_device *)file->private_data;
568 state = (struct dst_state *)dvbdev->priv;
569 p_ca_message = kmalloc(sizeof (struct ca_msg), GFP_KERNEL);
570 p_ca_slot_info = kmalloc(sizeof (struct ca_slot_info), GFP_KERNEL);
571 p_ca_caps = kmalloc(sizeof (struct ca_caps), GFP_KERNEL);
572 if (!p_ca_message || !p_ca_slot_info || !p_ca_caps) {
573 dprintk(verbose, DST_CA_ERROR, 1, " Memory allocation failure");
575 goto free_mem_and_exit;
578 /* We have now only the standard ioctl's, the driver is upposed to handle internals. */
581 dprintk(verbose, DST_CA_INFO, 1, " Sending message");
582 if ((ca_send_message(state, p_ca_message, arg)) < 0) {
583 dprintk(verbose, DST_CA_ERROR, 1, " -->CA_SEND_MSG Failed !");
585 goto free_mem_and_exit;
589 dprintk(verbose, DST_CA_INFO, 1, " Getting message");
590 if ((ca_get_message(state, p_ca_message, arg)) < 0) {
591 dprintk(verbose, DST_CA_ERROR, 1, " -->CA_GET_MSG Failed !");
593 goto free_mem_and_exit;
595 dprintk(verbose, DST_CA_INFO, 1, " -->CA_GET_MSG Success !");
598 dprintk(verbose, DST_CA_ERROR, 1, " Resetting DST");
599 dst_error_bailout(state);
602 case CA_GET_SLOT_INFO:
603 dprintk(verbose, DST_CA_INFO, 1, " Getting Slot info");
604 if ((ca_get_slot_info(state, p_ca_slot_info, arg)) < 0) {
605 dprintk(verbose, DST_CA_ERROR, 1, " -->CA_GET_SLOT_INFO Failed !");
607 goto free_mem_and_exit;
609 dprintk(verbose, DST_CA_INFO, 1, " -->CA_GET_SLOT_INFO Success !");
612 dprintk(verbose, DST_CA_INFO, 1, " Getting Slot capabilities");
613 if ((ca_get_slot_caps(state, p_ca_caps, arg)) < 0) {
614 dprintk(verbose, DST_CA_ERROR, 1, " -->CA_GET_CAP Failed !");
616 goto free_mem_and_exit;
618 dprintk(verbose, DST_CA_INFO, 1, " -->CA_GET_CAP Success !");
620 case CA_GET_DESCR_INFO:
621 dprintk(verbose, DST_CA_INFO, 1, " Getting descrambler description");
622 if ((ca_get_slot_descr(state, p_ca_message, arg)) < 0) {
623 dprintk(verbose, DST_CA_ERROR, 1, " -->CA_GET_DESCR_INFO Failed !");
625 goto free_mem_and_exit;
627 dprintk(verbose, DST_CA_INFO, 1, " -->CA_GET_DESCR_INFO Success !");
630 dprintk(verbose, DST_CA_INFO, 1, " Setting descrambler");
631 if ((ca_set_slot_descr()) < 0) {
632 dprintk(verbose, DST_CA_ERROR, 1, " -->CA_SET_DESCR Failed !");
634 goto free_mem_and_exit;
636 dprintk(verbose, DST_CA_INFO, 1, " -->CA_SET_DESCR Success !");
639 dprintk(verbose, DST_CA_INFO, 1, " Setting PID");
640 if ((ca_set_pid()) < 0) {
641 dprintk(verbose, DST_CA_ERROR, 1, " -->CA_SET_PID Failed !");
643 goto free_mem_and_exit;
645 dprintk(verbose, DST_CA_INFO, 1, " -->CA_SET_PID Success !");
647 result = -EOPNOTSUPP;
650 kfree (p_ca_message);
651 kfree (p_ca_slot_info);
658 static int dst_ca_open(struct inode *inode, struct file *file)
660 dprintk(verbose, DST_CA_DEBUG, 1, " Device opened [%p] ", file);
661 try_module_get(THIS_MODULE);
666 static int dst_ca_release(struct inode *inode, struct file *file)
668 dprintk(verbose, DST_CA_DEBUG, 1, " Device closed.");
669 module_put(THIS_MODULE);
674 static ssize_t dst_ca_read(struct file *file, char __user *buffer, size_t length, loff_t *offset)
676 ssize_t bytes_read = 0;
678 dprintk(verbose, DST_CA_DEBUG, 1, " Device read.");
683 static ssize_t dst_ca_write(struct file *file, const char __user *buffer, size_t length, loff_t *offset)
685 dprintk(verbose, DST_CA_DEBUG, 1, " Device write.");
690 static const struct file_operations dst_ca_fops = {
691 .owner = THIS_MODULE,
692 .unlocked_ioctl = dst_ca_ioctl,
694 .release = dst_ca_release,
696 .write = dst_ca_write
699 static struct dvb_device dvbdev_ca = {
707 struct dvb_device *dst_ca_attach(struct dst_state *dst, struct dvb_adapter *dvb_adapter)
709 struct dvb_device *dvbdev;
711 dprintk(verbose, DST_CA_ERROR, 1, "registering DST-CA device");
712 if (dvb_register_device(dvb_adapter, &dvbdev, &dvbdev_ca, dst, DVB_DEVICE_CA) == 0) {
713 dst->dst_ca = dvbdev;
720 EXPORT_SYMBOL(dst_ca_attach);
722 MODULE_DESCRIPTION("DST DVB-S/T/C Combo CA driver");
723 MODULE_AUTHOR("Manu Abraham");
724 MODULE_LICENSE("GPL");