765 lines
21 KiB
C
765 lines
21 KiB
C
/*
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CA-driver for TwinHan DST Frontend/Card
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Copyright (C) 2004, 2005 Manu Abraham (manu@kromtek.com)
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#include <linux/kernel.h>
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#include <linux/module.h>
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#include <linux/init.h>
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#include <linux/string.h>
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#include <linux/dvb/ca.h>
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#include "dvbdev.h"
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#include "dvb_frontend.h"
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#include "dst_ca.h"
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#include "dst_common.h"
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static unsigned int verbose = 5;
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module_param(verbose, int, 0644);
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MODULE_PARM_DESC(verbose, "verbose startup messages, default is 1 (yes)");
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static unsigned int debug = 1;
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module_param(debug, int, 0644);
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MODULE_PARM_DESC(debug, "debug messages, default is 1 (yes)");
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#define dprintk if (debug) printk
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/* Need some more work */
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static int ca_set_slot_descr(void)
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{
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/* We could make this more graceful ? */
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return -EOPNOTSUPP;
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}
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/* Need some more work */
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static int ca_set_pid(void)
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{
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/* We could make this more graceful ? */
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return -EOPNOTSUPP;
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}
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static int put_checksum(u8 *check_string, int length)
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{
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u8 i = 0, checksum = 0;
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if (verbose > 3) {
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dprintk("%s: ========================= Checksum calculation ===========================\n", __FUNCTION__);
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dprintk("%s: String Length=[0x%02x]\n", __FUNCTION__, length);
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dprintk("%s: String=[", __FUNCTION__);
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}
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while (i < length) {
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if (verbose > 3)
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dprintk(" %02x", check_string[i]);
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checksum += check_string[i];
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i++;
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}
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if (verbose > 3) {
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dprintk(" ]\n");
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dprintk("%s: Sum=[%02x]\n", __FUNCTION__, checksum);
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}
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check_string[length] = ~checksum + 1;
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if (verbose > 3) {
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dprintk("%s: Checksum=[%02x]\n", __FUNCTION__, check_string[length]);
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dprintk("%s: ==========================================================================\n", __FUNCTION__);
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}
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return 0;
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}
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static int dst_ci_command(struct dst_state* state, u8 * data, u8 *ca_string, u8 len, int read)
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{
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u8 reply;
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dst_comm_init(state);
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msleep(65);
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if (write_dst(state, data, len)) {
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dprintk("%s: Write not successful, trying to recover\n", __FUNCTION__);
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dst_error_recovery(state);
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return -1;
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}
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if ((dst_pio_disable(state)) < 0) {
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dprintk("%s: DST PIO disable failed.\n", __FUNCTION__);
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return -1;
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}
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if (read_dst(state, &reply, GET_ACK) < 0) {
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dprintk("%s: Read not successful, trying to recover\n", __FUNCTION__);
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dst_error_recovery(state);
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return -1;
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}
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if (read) {
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if (! dst_wait_dst_ready(state, LONG_DELAY)) {
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dprintk("%s: 8820 not ready\n", __FUNCTION__);
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return -1;
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}
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if (read_dst(state, ca_string, 128) < 0) { /* Try to make this dynamic */
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dprintk("%s: Read not successful, trying to recover\n", __FUNCTION__);
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dst_error_recovery(state);
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return -1;
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}
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}
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return 0;
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}
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static int dst_put_ci(struct dst_state *state, u8 *data, int len, u8 *ca_string, int read)
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{
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u8 dst_ca_comm_err = 0;
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while (dst_ca_comm_err < RETRIES) {
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dst_comm_init(state);
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if (verbose > 2)
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dprintk("%s: Put Command\n", __FUNCTION__);
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if (dst_ci_command(state, data, ca_string, len, read)) { // If error
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dst_error_recovery(state);
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dst_ca_comm_err++; // work required here.
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}
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break;
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}
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return 0;
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}
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static int ca_get_app_info(struct dst_state *state)
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{
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static u8 command[8] = {0x07, 0x40, 0x01, 0x00, 0x01, 0x00, 0x00, 0xff};
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put_checksum(&command[0], command[0]);
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if ((dst_put_ci(state, command, sizeof(command), state->messages, GET_REPLY)) < 0) {
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dprintk("%s: -->dst_put_ci FAILED !\n", __FUNCTION__);
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return -1;
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}
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if (verbose > 1) {
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dprintk("%s: -->dst_put_ci SUCCESS !\n", __FUNCTION__);
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dprintk("%s: ================================ CI Module Application Info ======================================\n", __FUNCTION__);
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dprintk("%s: Application Type=[%d], Application Vendor=[%d], Vendor Code=[%d]\n%s: Application info=[%s]\n",
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__FUNCTION__, state->messages[7], (state->messages[8] << 8) | state->messages[9],
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(state->messages[10] << 8) | state->messages[11], __FUNCTION__, (char *)(&state->messages[12]));
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dprintk("%s: ==================================================================================================\n", __FUNCTION__);
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}
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return 0;
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}
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static int ca_get_slot_caps(struct dst_state *state, struct ca_caps *p_ca_caps, void *arg)
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{
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int i;
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u8 slot_cap[256];
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static u8 slot_command[8] = {0x07, 0x40, 0x02, 0x00, 0x02, 0x00, 0x00, 0xff};
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put_checksum(&slot_command[0], slot_command[0]);
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if ((dst_put_ci(state, slot_command, sizeof (slot_command), slot_cap, GET_REPLY)) < 0) {
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dprintk("%s: -->dst_put_ci FAILED !\n", __FUNCTION__);
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return -1;
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}
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if (verbose > 1)
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dprintk("%s: -->dst_put_ci SUCCESS !\n", __FUNCTION__);
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/* Will implement the rest soon */
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if (verbose > 1) {
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dprintk("%s: Slot cap = [%d]\n", __FUNCTION__, slot_cap[7]);
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dprintk("===================================\n");
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for (i = 0; i < 8; i++)
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dprintk(" %d", slot_cap[i]);
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dprintk("\n");
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}
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p_ca_caps->slot_num = 1;
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p_ca_caps->slot_type = 1;
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p_ca_caps->descr_num = slot_cap[7];
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p_ca_caps->descr_type = 1;
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if (copy_to_user((struct ca_caps *)arg, p_ca_caps, sizeof (struct ca_caps))) {
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return -EFAULT;
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}
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return 0;
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}
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/* Need some more work */
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static int ca_get_slot_descr(struct dst_state *state, struct ca_msg *p_ca_message, void *arg)
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{
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return -EOPNOTSUPP;
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}
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static int ca_get_slot_info(struct dst_state *state, struct ca_slot_info *p_ca_slot_info, void *arg)
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{
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int i;
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static u8 slot_command[8] = {0x00, 0x05, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff};
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u8 *slot_info = state->rxbuffer;
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put_checksum(&slot_command[0], 7);
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if ((dst_put_ci(state, slot_command, sizeof (slot_command), slot_info, GET_REPLY)) < 0) {
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dprintk("%s: -->dst_put_ci FAILED !\n", __FUNCTION__);
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return -1;
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}
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if (verbose > 1)
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dprintk("%s: -->dst_put_ci SUCCESS !\n", __FUNCTION__);
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/* Will implement the rest soon */
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if (verbose > 1) {
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dprintk("%s: Slot info = [%d]\n", __FUNCTION__, slot_info[3]);
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dprintk("===================================\n");
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for (i = 0; i < 8; i++)
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dprintk(" %d", slot_info[i]);
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dprintk("\n");
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}
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if (slot_info[4] & 0x80) {
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p_ca_slot_info->flags = CA_CI_MODULE_PRESENT;
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p_ca_slot_info->num = 1;
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p_ca_slot_info->type = CA_CI;
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}
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else if (slot_info[4] & 0x40) {
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p_ca_slot_info->flags = CA_CI_MODULE_READY;
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p_ca_slot_info->num = 1;
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p_ca_slot_info->type = CA_CI;
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}
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else {
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p_ca_slot_info->flags = 0;
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}
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if (copy_to_user((struct ca_slot_info *)arg, p_ca_slot_info, sizeof (struct ca_slot_info))) {
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return -EFAULT;
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}
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return 0;
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}
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static int ca_get_message(struct dst_state *state, struct ca_msg *p_ca_message, void *arg)
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{
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u8 i = 0;
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u32 command = 0;
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if (copy_from_user(p_ca_message, (void *)arg, sizeof (struct ca_msg)))
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return -EFAULT;
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if (p_ca_message->msg) {
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if (verbose > 3)
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dprintk("Message = [%02x %02x %02x]\n", p_ca_message->msg[0], p_ca_message->msg[1], p_ca_message->msg[2]);
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for (i = 0; i < 3; i++) {
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command = command | p_ca_message->msg[i];
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if (i < 2)
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command = command << 8;
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}
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if (verbose > 3)
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dprintk("%s:Command=[0x%x]\n", __FUNCTION__, command);
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switch (command) {
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case CA_APP_INFO:
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memcpy(p_ca_message->msg, state->messages, 128);
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if (copy_to_user((void *)arg, p_ca_message, sizeof (struct ca_msg)) )
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return -EFAULT;
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break;
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}
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}
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return 0;
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}
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static int handle_dst_tag(struct dst_state *state, struct ca_msg *p_ca_message, struct ca_msg *hw_buffer, u32 length)
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{
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if (state->dst_hw_cap & DST_TYPE_HAS_SESSION) {
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hw_buffer->msg[2] = p_ca_message->msg[1]; /* MSB */
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hw_buffer->msg[3] = p_ca_message->msg[2]; /* LSB */
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}
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else {
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hw_buffer->msg[0] = (length & 0xff) + 7;
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hw_buffer->msg[1] = 0x40;
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hw_buffer->msg[2] = 0x03;
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hw_buffer->msg[3] = 0x00;
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hw_buffer->msg[4] = 0x03;
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hw_buffer->msg[5] = length & 0xff;
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hw_buffer->msg[6] = 0x00;
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}
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return 0;
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}
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static int write_to_8820(struct dst_state *state, struct ca_msg *hw_buffer, u8 length, u8 reply)
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{
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if ((dst_put_ci(state, hw_buffer->msg, length, hw_buffer->msg, reply)) < 0) {
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dprintk("%s: DST-CI Command failed.\n", __FUNCTION__);
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dprintk("%s: Resetting DST.\n", __FUNCTION__);
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rdc_reset_state(state);
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return -1;
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}
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if (verbose > 2)
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dprintk("%s: DST-CI Command succes.\n", __FUNCTION__);
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return 0;
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}
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u32 asn_1_decode(u8 *asn_1_array)
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{
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u8 length_field = 0, word_count = 0, count = 0;
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u32 length = 0;
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length_field = asn_1_array[0];
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dprintk("%s: Length field=[%02x]\n", __FUNCTION__, length_field);
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if (length_field < 0x80) {
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length = length_field & 0x7f;
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dprintk("%s: Length=[%02x]\n", __FUNCTION__, length);
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} else {
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word_count = length_field & 0x7f;
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for (count = 0; count < word_count; count++) {
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length = (length | asn_1_array[count + 1]) << 8;
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dprintk("%s: Length=[%04x]\n", __FUNCTION__, length);
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}
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}
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return length;
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}
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static int init_buffer(u8 *buffer, u32 length)
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{
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u32 i;
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for (i = 0; i < length; i++)
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buffer[i] = 0;
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return 0;
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}
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static int debug_string(u8 *msg, u32 length, u32 offset)
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{
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u32 i;
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dprintk(" String=[ ");
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for (i = offset; i < length; i++)
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dprintk("%02x ", msg[i]);
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dprintk("]\n");
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return 0;
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}
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static int copy_string(u8 *destination, u8 *source, u32 dest_offset, u32 source_offset, u32 length)
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{
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u32 i;
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dprintk("%s: Copying [", __FUNCTION__);
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for (i = 0; i < length; i++) {
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destination[i + dest_offset] = source[i + source_offset];
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dprintk(" %02x", source[i + source_offset]);
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}
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dprintk("]\n");
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return i;
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}
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static int modify_4_bits(u8 *message, u32 pos)
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{
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message[pos] &= 0x0f;
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return 0;
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}
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static int ca_set_pmt(struct dst_state *state, struct ca_msg *p_ca_message, struct ca_msg *hw_buffer, u8 reply, u8 query)
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{
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u32 length = 0, count = 0;
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u8 asn_1_words, program_header_length;
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u16 program_info_length = 0, es_info_length = 0;
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u32 hw_offset = 0, buf_offset = 0, i;
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u8 dst_tag_length;
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length = asn_1_decode(&p_ca_message->msg[3]);
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dprintk("%s: CA Message length=[%d]\n", __FUNCTION__, length);
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dprintk("%s: ASN.1 ", __FUNCTION__);
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debug_string(&p_ca_message->msg[4], length, 0); // length does not include tag and length
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init_buffer(hw_buffer->msg, length);
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handle_dst_tag(state, p_ca_message, hw_buffer, length);
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hw_offset = 7;
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asn_1_words = 1; // just a hack to test, should compute this one
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buf_offset = 3;
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program_header_length = 6;
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dst_tag_length = 7;
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// debug_twinhan_ca_params(state, p_ca_message, hw_buffer, reply, query, length, hw_offset, buf_offset);
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// dprintk("%s: Program Header(BUF)", __FUNCTION__);
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// debug_string(&p_ca_message->msg[4], program_header_length, 0);
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// dprintk("%s: Copying Program header\n", __FUNCTION__);
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copy_string(hw_buffer->msg, p_ca_message->msg, hw_offset, (buf_offset + asn_1_words), program_header_length);
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buf_offset += program_header_length, hw_offset += program_header_length;
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modify_4_bits(hw_buffer->msg, (hw_offset - 2));
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if (state->type_flags & DST_TYPE_HAS_INC_COUNT) { // workaround
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dprintk("%s: Probably an ASIC bug !!!\n", __FUNCTION__);
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debug_string(hw_buffer->msg, (hw_offset + program_header_length), 0);
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hw_buffer->msg[hw_offset - 1] += 1;
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}
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// dprintk("%s: Program Header(HW), Count=[%d]", __FUNCTION__, count);
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// debug_string(hw_buffer->msg, hw_offset, 0);
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program_info_length = ((program_info_length | (p_ca_message->msg[buf_offset - 1] & 0x0f)) << 8) | p_ca_message->msg[buf_offset];
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dprintk("%s: Program info length=[%02x]\n", __FUNCTION__, program_info_length);
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if (program_info_length) {
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count = copy_string(hw_buffer->msg, p_ca_message->msg, hw_offset, (buf_offset + 1), (program_info_length + 1) ); // copy next elem, not current
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buf_offset += count, hw_offset += count;
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// dprintk("%s: Program level ", __FUNCTION__);
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// debug_string(hw_buffer->msg, hw_offset, 0);
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}
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buf_offset += 1;// hw_offset += 1;
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for (i = buf_offset; i < length; i++) {
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// dprintk("%s: Stream Header ", __FUNCTION__);
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count = copy_string(hw_buffer->msg, p_ca_message->msg, hw_offset, buf_offset, 5);
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modify_4_bits(hw_buffer->msg, (hw_offset + 3));
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hw_offset += 5, buf_offset += 5, i += 4;
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// debug_string(hw_buffer->msg, hw_offset, (hw_offset - 5));
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es_info_length = ((es_info_length | (p_ca_message->msg[buf_offset - 1] & 0x0f)) << 8) | p_ca_message->msg[buf_offset];
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dprintk("%s: ES info length=[%02x]\n", __FUNCTION__, es_info_length);
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if (es_info_length) {
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// copy descriptors @ STREAM level
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dprintk("%s: Descriptors @ STREAM level...!!! \n", __FUNCTION__);
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}
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}
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hw_buffer->msg[length + dst_tag_length] = dst_check_sum(hw_buffer->msg, (length + dst_tag_length));
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// dprintk("%s: Total length=[%d], Checksum=[%02x]\n", __FUNCTION__, (length + dst_tag_length), hw_buffer->msg[length + dst_tag_length]);
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debug_string(hw_buffer->msg, (length + dst_tag_length + 1), 0); // dst tags also
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write_to_8820(state, hw_buffer, (length + dst_tag_length + 1), reply); // checksum
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return 0;
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}
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/* Board supports CA PMT reply ? */
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static int dst_check_ca_pmt(struct dst_state *state, struct ca_msg *p_ca_message, struct ca_msg *hw_buffer)
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{
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int ca_pmt_reply_test = 0;
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/* Do test board */
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/* Not there yet but soon */
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/* CA PMT Reply capable */
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if (ca_pmt_reply_test) {
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if ((ca_set_pmt(state, p_ca_message, hw_buffer, 1, GET_REPLY)) < 0) {
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dprintk("%s: ca_set_pmt.. failed !\n", __FUNCTION__);
|
|
return -1;
|
|
}
|
|
|
|
/* Process CA PMT Reply */
|
|
/* will implement soon */
|
|
dprintk("%s: Not there yet\n", __FUNCTION__);
|
|
}
|
|
/* CA PMT Reply not capable */
|
|
if (!ca_pmt_reply_test) {
|
|
if ((ca_set_pmt(state, p_ca_message, hw_buffer, 0, NO_REPLY)) < 0) {
|
|
dprintk("%s: ca_set_pmt.. failed !\n", __FUNCTION__);
|
|
return -1;
|
|
}
|
|
if (verbose > 3)
|
|
dprintk("%s: ca_set_pmt.. success !\n", __FUNCTION__);
|
|
/* put a dummy message */
|
|
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static int ca_send_message(struct dst_state *state, struct ca_msg *p_ca_message, void *arg)
|
|
{
|
|
int i = 0;
|
|
unsigned int ca_message_header_len;
|
|
|
|
u32 command = 0;
|
|
struct ca_msg *hw_buffer;
|
|
|
|
if ((hw_buffer = (struct ca_msg *) kmalloc(sizeof (struct ca_msg), GFP_KERNEL)) == NULL) {
|
|
dprintk("%s: Memory allocation failure\n", __FUNCTION__);
|
|
return -ENOMEM;
|
|
}
|
|
if (verbose > 3)
|
|
dprintk("%s\n", __FUNCTION__);
|
|
|
|
if (copy_from_user(p_ca_message, (void *)arg, sizeof (struct ca_msg)))
|
|
return -EFAULT;
|
|
|
|
if (p_ca_message->msg) {
|
|
ca_message_header_len = p_ca_message->length; /* Restore it back when you are done */
|
|
/* EN50221 tag */
|
|
command = 0;
|
|
|
|
for (i = 0; i < 3; i++) {
|
|
command = command | p_ca_message->msg[i];
|
|
if (i < 2)
|
|
command = command << 8;
|
|
}
|
|
if (verbose > 3)
|
|
dprintk("%s:Command=[0x%x]\n", __FUNCTION__, command);
|
|
|
|
switch (command) {
|
|
case CA_PMT:
|
|
if (verbose > 3)
|
|
// dprintk("Command = SEND_CA_PMT\n");
|
|
dprintk("Command = SEND_CA_PMT\n");
|
|
// if ((ca_set_pmt(state, p_ca_message, hw_buffer, 0, 0)) < 0) {
|
|
if ((ca_set_pmt(state, p_ca_message, hw_buffer, 0, 0)) < 0) { // code simplification started
|
|
dprintk("%s: -->CA_PMT Failed !\n", __FUNCTION__);
|
|
return -1;
|
|
}
|
|
if (verbose > 3)
|
|
dprintk("%s: -->CA_PMT Success !\n", __FUNCTION__);
|
|
// retval = dummy_set_pmt(state, p_ca_message, hw_buffer, 0, 0);
|
|
|
|
break;
|
|
|
|
case CA_PMT_REPLY:
|
|
if (verbose > 3)
|
|
dprintk("Command = CA_PMT_REPLY\n");
|
|
/* Have to handle the 2 basic types of cards here */
|
|
if ((dst_check_ca_pmt(state, p_ca_message, hw_buffer)) < 0) {
|
|
dprintk("%s: -->CA_PMT_REPLY Failed !\n", __FUNCTION__);
|
|
return -1;
|
|
}
|
|
if (verbose > 3)
|
|
dprintk("%s: -->CA_PMT_REPLY Success !\n", __FUNCTION__);
|
|
|
|
/* Certain boards do behave different ? */
|
|
// retval = ca_set_pmt(state, p_ca_message, hw_buffer, 1, 1);
|
|
|
|
case CA_APP_INFO_ENQUIRY: // only for debugging
|
|
if (verbose > 3)
|
|
dprintk("%s: Getting Cam Application information\n", __FUNCTION__);
|
|
|
|
if ((ca_get_app_info(state)) < 0) {
|
|
dprintk("%s: -->CA_APP_INFO_ENQUIRY Failed !\n", __FUNCTION__);
|
|
return -1;
|
|
}
|
|
if (verbose > 3)
|
|
dprintk("%s: -->CA_APP_INFO_ENQUIRY Success !\n", __FUNCTION__);
|
|
|
|
break;
|
|
}
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static int dst_ca_ioctl(struct inode *inode, struct file *file, unsigned int cmd, void *arg)
|
|
{
|
|
struct dvb_device* dvbdev = (struct dvb_device*) file->private_data;
|
|
struct dst_state* state = (struct dst_state*) dvbdev->priv;
|
|
struct ca_slot_info *p_ca_slot_info;
|
|
struct ca_caps *p_ca_caps;
|
|
struct ca_msg *p_ca_message;
|
|
|
|
if ((p_ca_message = (struct ca_msg *) kmalloc(sizeof (struct ca_msg), GFP_KERNEL)) == NULL) {
|
|
dprintk("%s: Memory allocation failure\n", __FUNCTION__);
|
|
return -ENOMEM;
|
|
}
|
|
|
|
if ((p_ca_slot_info = (struct ca_slot_info *) kmalloc(sizeof (struct ca_slot_info), GFP_KERNEL)) == NULL) {
|
|
dprintk("%s: Memory allocation failure\n", __FUNCTION__);
|
|
return -ENOMEM;
|
|
}
|
|
|
|
if ((p_ca_caps = (struct ca_caps *) kmalloc(sizeof (struct ca_caps), GFP_KERNEL)) == NULL) {
|
|
dprintk("%s: Memory allocation failure\n", __FUNCTION__);
|
|
return -ENOMEM;
|
|
}
|
|
|
|
/* We have now only the standard ioctl's, the driver is upposed to handle internals. */
|
|
switch (cmd) {
|
|
case CA_SEND_MSG:
|
|
if (verbose > 1)
|
|
dprintk("%s: Sending message\n", __FUNCTION__);
|
|
if ((ca_send_message(state, p_ca_message, arg)) < 0) {
|
|
dprintk("%s: -->CA_SEND_MSG Failed !\n", __FUNCTION__);
|
|
return -1;
|
|
}
|
|
|
|
break;
|
|
|
|
case CA_GET_MSG:
|
|
if (verbose > 1)
|
|
dprintk("%s: Getting message\n", __FUNCTION__);
|
|
if ((ca_get_message(state, p_ca_message, arg)) < 0) {
|
|
dprintk("%s: -->CA_GET_MSG Failed !\n", __FUNCTION__);
|
|
return -1;
|
|
}
|
|
if (verbose > 1)
|
|
dprintk("%s: -->CA_GET_MSG Success !\n", __FUNCTION__);
|
|
|
|
break;
|
|
|
|
case CA_RESET:
|
|
if (verbose > 1)
|
|
dprintk("%s: Resetting DST\n", __FUNCTION__);
|
|
dst_error_bailout(state);
|
|
msleep(4000);
|
|
|
|
break;
|
|
|
|
case CA_GET_SLOT_INFO:
|
|
if (verbose > 1)
|
|
dprintk("%s: Getting Slot info\n", __FUNCTION__);
|
|
if ((ca_get_slot_info(state, p_ca_slot_info, arg)) < 0) {
|
|
dprintk("%s: -->CA_GET_SLOT_INFO Failed !\n", __FUNCTION__);
|
|
return -1;
|
|
}
|
|
if (verbose > 1)
|
|
dprintk("%s: -->CA_GET_SLOT_INFO Success !\n", __FUNCTION__);
|
|
|
|
break;
|
|
|
|
case CA_GET_CAP:
|
|
if (verbose > 1)
|
|
dprintk("%s: Getting Slot capabilities\n", __FUNCTION__);
|
|
if ((ca_get_slot_caps(state, p_ca_caps, arg)) < 0) {
|
|
dprintk("%s: -->CA_GET_CAP Failed !\n", __FUNCTION__);
|
|
return -1;
|
|
}
|
|
if (verbose > 1)
|
|
dprintk("%s: -->CA_GET_CAP Success !\n", __FUNCTION__);
|
|
|
|
break;
|
|
|
|
case CA_GET_DESCR_INFO:
|
|
if (verbose > 1)
|
|
dprintk("%s: Getting descrambler description\n", __FUNCTION__);
|
|
if ((ca_get_slot_descr(state, p_ca_message, arg)) < 0) {
|
|
dprintk("%s: -->CA_GET_DESCR_INFO Failed !\n", __FUNCTION__);
|
|
return -1;
|
|
}
|
|
if (verbose > 1)
|
|
dprintk("%s: -->CA_GET_DESCR_INFO Success !\n", __FUNCTION__);
|
|
|
|
break;
|
|
|
|
case CA_SET_DESCR:
|
|
if (verbose > 1)
|
|
dprintk("%s: Setting descrambler\n", __FUNCTION__);
|
|
if ((ca_set_slot_descr()) < 0) {
|
|
dprintk("%s: -->CA_SET_DESCR Failed !\n", __FUNCTION__);
|
|
return -1;
|
|
}
|
|
if (verbose > 1)
|
|
dprintk("%s: -->CA_SET_DESCR Success !\n", __FUNCTION__);
|
|
|
|
break;
|
|
|
|
case CA_SET_PID:
|
|
if (verbose > 1)
|
|
dprintk("%s: Setting PID\n", __FUNCTION__);
|
|
if ((ca_set_pid()) < 0) {
|
|
dprintk("%s: -->CA_SET_PID Failed !\n", __FUNCTION__);
|
|
return -1;
|
|
}
|
|
if (verbose > 1)
|
|
dprintk("%s: -->CA_SET_PID Success !\n", __FUNCTION__);
|
|
|
|
default:
|
|
return -EOPNOTSUPP;
|
|
};
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int dst_ca_open(struct inode *inode, struct file *file)
|
|
{
|
|
if (verbose > 4)
|
|
dprintk("%s:Device opened [%p]\n", __FUNCTION__, file);
|
|
try_module_get(THIS_MODULE);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int dst_ca_release(struct inode *inode, struct file *file)
|
|
{
|
|
if (verbose > 4)
|
|
dprintk("%s:Device closed.\n", __FUNCTION__);
|
|
module_put(THIS_MODULE);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int dst_ca_read(struct file *file, char __user * buffer, size_t length, loff_t * offset)
|
|
{
|
|
int bytes_read = 0;
|
|
|
|
if (verbose > 4)
|
|
dprintk("%s:Device read.\n", __FUNCTION__);
|
|
|
|
return bytes_read;
|
|
}
|
|
|
|
static int dst_ca_write(struct file *file, const char __user * buffer, size_t length, loff_t * offset)
|
|
{
|
|
if (verbose > 4)
|
|
dprintk("%s:Device write.\n", __FUNCTION__);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static struct file_operations dst_ca_fops = {
|
|
.owner = THIS_MODULE,
|
|
.ioctl = (void *)dst_ca_ioctl,
|
|
.open = dst_ca_open,
|
|
.release = dst_ca_release,
|
|
.read = dst_ca_read,
|
|
.write = dst_ca_write
|
|
};
|
|
|
|
static struct dvb_device dvbdev_ca = {
|
|
.priv = NULL,
|
|
.users = 1,
|
|
.readers = 1,
|
|
.writers = 1,
|
|
.fops = &dst_ca_fops
|
|
};
|
|
|
|
int dst_ca_attach(struct dst_state *dst, struct dvb_adapter *dvb_adapter)
|
|
{
|
|
struct dvb_device *dvbdev;
|
|
if (verbose > 4)
|
|
dprintk("%s:registering DST-CA device\n", __FUNCTION__);
|
|
dvb_register_device(dvb_adapter, &dvbdev, &dvbdev_ca, dst, DVB_DEVICE_CA);
|
|
return 0;
|
|
}
|
|
|
|
EXPORT_SYMBOL(dst_ca_attach);
|
|
|
|
MODULE_DESCRIPTION("DST DVB-S/T/C Combo CA driver");
|
|
MODULE_AUTHOR("Manu Abraham");
|
|
MODULE_LICENSE("GPL");
|