Lines Matching refs:modem
124 u32 modem_rx; /* Our incoming virtual modem lines */
125 u32 modem_tx; /* Our outgoing modem lines */
281 /* Virtual modem bits */
389 * gsm_encode_modem - encode modem data bits
392 * Returns the correct GSM encoded modem status bits (6 bit field) for
399 /* FC is true flow control not modem bits */
753 * interface which is a byte stream with optional modem data.
782 case 2: /* Unstructed with modem bits. Always one byte as we never
939 * gsm_process_modem - process received modem status
942 * @modem: modem bits (full EA)
944 * Used when a modem control message or line state inline in adaption
945 * layer 2 is processed. Sort out the local modem state and throttles
949 u32 modem)
952 u8 brk = modem >> 6;
955 if (modem & MDM_FC) {
959 if (modem & MDM_RTC) {
964 /* Map modem bits */
965 if (modem & MDM_RTR)
967 if (modem & MDM_IC)
969 if (modem & MDM_DV)
984 * gsm_control_modem - modem status received
989 * We have received a modem status control message. This is used by
990 * the GSM mux protocol to pass virtual modem line status and optionally
998 unsigned int modem = 0;
1020 while (gsm_read_ea(&modem, *dp++) == 0) {
1026 gsm_process_modem(tty, dlci, modem);
1040 * The modem sends us a two byte message on the control channel whenever
1132 /* Out of band modem line change indicator for a DLCI */
1399 * to the modem which should then reply with a UA, at which point we
1420 * to the modem which should then reply with a UA, at which point we
1453 unsigned int modem = 0;
1468 while (gsm_read_ea(&modem, *data++) == 0) {
1473 gsm_process_modem(tty, dlci, modem);
1877 * finally kick off connecting to DLCI 0 on the modem.
2004 * modem. Currently called from the line discipline set up but
2576 then have to remap modem signals each way according to whether
2577 our virtual cable is null modem etc .. */