V4L/DVB (4181): Fix CA Info and Application Info
Signed-off-by: Henrik Sjoberg <hsjo@epact.se>
Signed-off-by: Manu Abraham <manu@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
diff --git a/drivers/media/dvb/bt8xx/dst_ca.c b/drivers/media/dvb/bt8xx/dst_ca.c
index cc517c5..baa8c9a 100644
--- a/drivers/media/dvb/bt8xx/dst_ca.c
+++ b/drivers/media/dvb/bt8xx/dst_ca.c
@@ -68,6 +68,13 @@
return -EOPNOTSUPP;
}
+static void put_command_and_length(u8 *data, int command, int length)
+{
+ data[0] = (command >> 16) & 0xff;
+ data[1] = (command >> 8) & 0xff;
+ data[2] = command & 0xff;
+ data[3] = length;
+}
static void put_checksum(u8 *check_string, int length)
{
@@ -124,15 +131,18 @@
u8 dst_ca_comm_err = 0;
while (dst_ca_comm_err < RETRIES) {
- dst_comm_init(state);
dprintk(verbose, DST_CA_NOTICE, 1, " Put Command");
if (dst_ci_command(state, data, ca_string, len, read)) { // If error
dst_error_recovery(state);
dst_ca_comm_err++; // work required here.
+ } else {
+ break;
}
- break;
}
+ if(dst_ca_comm_err == RETRIES)
+ return -1;
+
return 0;
}
@@ -140,6 +150,7 @@
static int ca_get_app_info(struct dst_state *state)
{
+ int length, str_length;
static u8 command[8] = {0x07, 0x40, 0x01, 0x00, 0x01, 0x00, 0x00, 0xff};
put_checksum(&command[0], command[0]);
@@ -154,6 +165,68 @@
(state->messages[10] << 8) | state->messages[11], __FUNCTION__, (char *)(&state->messages[12]));
dprintk(verbose, DST_CA_INFO, 1, " ==================================================================================================");
+ // Transform dst message to correct application_info message
+ length = state->messages[5];
+ str_length = length - 6;
+ if (str_length < 0) {
+ str_length = 0;
+ dprintk(verbose, DST_CA_ERROR, 1, "Invalid string length returned in ca_get_app_info(). Recovering.");
+ }
+
+ // First, the command and length fields
+ put_command_and_length(&state->messages[0], CA_APP_INFO, length);
+
+ // Copy application_type, application_manufacturer and manufacturer_code
+ memcpy(&state->messages[4], &state->messages[7], 5);
+
+ // Set string length and copy string
+ state->messages[9] = str_length;
+ memcpy(&state->messages[10], &state->messages[12], str_length);
+
+ return 0;
+}
+
+static int ca_get_ca_info(struct dst_state *state)
+{
+ int srcPtr, dstPtr, i, num_ids;
+ static u8 slot_command[8] = {0x07, 0x40, 0x00, 0x00, 0x02, 0x00, 0x00, 0xff};
+ const int in_system_id_pos = 8, out_system_id_pos = 4, in_num_ids_pos = 7;
+
+ put_checksum(&slot_command[0], slot_command[0]);
+ if ((dst_put_ci(state, slot_command, sizeof (slot_command), state->messages, GET_REPLY)) < 0) {
+ dprintk(verbose, DST_CA_ERROR, 1, " -->dst_put_ci FAILED !");
+ return -1;
+ }
+ dprintk(verbose, DST_CA_INFO, 1, " -->dst_put_ci SUCCESS !");
+
+ // Print raw data
+ dprintk(verbose, DST_CA_INFO, 0, " DST data = [");
+ for (i = 0; i < state->messages[0] + 1; i++) {
+ dprintk(verbose, DST_CA_INFO, 0, " 0x%02x", state->messages[i]);
+ }
+ dprintk(verbose, DST_CA_INFO, 0, "]\n");
+
+ // Set the command and length of the output
+ num_ids = state->messages[in_num_ids_pos];
+ if (num_ids >= 100) {
+ num_ids = 100;
+ dprintk(verbose, DST_CA_ERROR, 1, "Invalid number of ids (>100). Recovering.");
+ }
+ put_command_and_length(&state->messages[0], CA_INFO, num_ids * 2);
+
+ dprintk(verbose, DST_CA_INFO, 0, " CA_INFO = [");
+ srcPtr = in_system_id_pos;
+ dstPtr = out_system_id_pos;
+ for(i = 0; i < num_ids; i++) {
+ dprintk(verbose, DST_CA_INFO, 0, " 0x%02x%02x", state->messages[srcPtr + 0], state->messages[srcPtr + 1]);
+ // Append to output
+ state->messages[dstPtr + 0] = state->messages[srcPtr + 0];
+ state->messages[dstPtr + 1] = state->messages[srcPtr + 1];
+ srcPtr += 2;
+ dstPtr += 2;
+ }
+ dprintk(verbose, DST_CA_INFO, 0, "]\n");
+
return 0;
}
@@ -174,7 +247,7 @@
dprintk(verbose, DST_CA_INFO, 1, " Slot cap = [%d]", slot_cap[7]);
dprintk(verbose, DST_CA_INFO, 0, "===================================\n");
- for (i = 0; i < 8; i++)
+ for (i = 0; i < slot_cap[0] + 1; i++)
dprintk(verbose, DST_CA_INFO, 0, " %d", slot_cap[i]);
dprintk(verbose, DST_CA_INFO, 0, "\n");
@@ -260,6 +333,11 @@
if (copy_to_user(arg, p_ca_message, sizeof (struct ca_msg)) )
return -EFAULT;
break;
+ case CA_INFO:
+ memcpy(p_ca_message->msg, state->messages, 128);
+ if (copy_to_user(arg, p_ca_message, sizeof (struct ca_msg)) )
+ return -EFAULT;
+ break;
}
}
@@ -302,7 +380,7 @@
rdc_reset_state(state);
return -1;
}
- dprintk(verbose, DST_CA_NOTICE, 1, " DST-CI Command succes.");
+ dprintk(verbose, DST_CA_NOTICE, 1, " DST-CI Command success.");
return 0;
}
@@ -550,6 +628,16 @@
}
dprintk(verbose, DST_CA_INFO, 1, " -->CA_APP_INFO_ENQUIRY Success !");
break;
+ case CA_INFO_ENQUIRY:
+ dprintk(verbose, DST_CA_INFO, 1, " Getting CA Information");
+
+ if ((ca_get_ca_info(state)) < 0) {
+ dprintk(verbose, DST_CA_ERROR, 1, " -->CA_INFO_ENQUIRY Failed !");
+ result = -1;
+ goto free_mem_and_exit;
+ }
+ dprintk(verbose, DST_CA_INFO, 1, " -->CA_INFO_ENQUIRY Success !");
+ break;
}
}
free_mem_and_exit: