diff options
Diffstat (limited to 'drivers/media/dvb/bt8xx')
| -rw-r--r-- | drivers/media/dvb/bt8xx/dst_ca.c | 96 |
1 files changed, 92 insertions, 4 deletions
diff --git a/drivers/media/dvb/bt8xx/dst_ca.c b/drivers/media/dvb/bt8xx/dst_ca.c index cc517c553ac..baa8c9aa212 100644 --- a/drivers/media/dvb/bt8xx/dst_ca.c +++ b/drivers/media/dvb/bt8xx/dst_ca.c @@ -68,6 +68,13 @@ static int ca_set_pid(void) 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 @@ static int dst_put_ci(struct dst_state *state, u8 *data, int len, u8 *ca_string, 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 dst_put_ci(struct dst_state *state, u8 *data, int len, u8 *ca_string, 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 @@ static int ca_get_app_info(struct dst_state *state) (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 @@ static int ca_get_slot_caps(struct dst_state *state, struct ca_caps *p_ca_caps, 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 @@ static int ca_get_message(struct dst_state *state, struct ca_msg *p_ca_message, 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 @@ static int write_to_8820(struct dst_state *state, struct ca_msg *hw_buffer, u8 l 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 @@ static int ca_send_message(struct dst_state *state, struct ca_msg *p_ca_message, } 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: |