diff options
Diffstat (limited to 'drivers/staging/sbe-2t3e3/intr.c')
-rw-r--r-- | drivers/staging/sbe-2t3e3/intr.c | 579 |
1 files changed, 0 insertions, 579 deletions
diff --git a/drivers/staging/sbe-2t3e3/intr.c b/drivers/staging/sbe-2t3e3/intr.c deleted file mode 100644 index 1bf74b788008..000000000000 --- a/drivers/staging/sbe-2t3e3/intr.c +++ /dev/null @@ -1,579 +0,0 @@ -/* - * SBE 2T3E3 synchronous serial card driver for Linux - * - * Copyright (C) 2009-2010 Krzysztof Halasa <khc@pm.waw.pl> - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of version 2 of the GNU General Public License - * as published by the Free Software Foundation. - * - * This code is based on a driver written by SBE Inc. - */ - -#include <linux/hdlc.h> -#include <linux/interrupt.h> -#include <linux/netdevice.h> -#include "2t3e3.h" - -irqreturn_t t3e3_intr(int irq, void *dev_instance) -{ - struct channel *sc = dev_to_priv(dev_instance); - u32 val; - irqreturn_t ret = IRQ_NONE; - - sc->interrupt_active = 1; - - val = cpld_read(sc, SBE_2T3E3_CPLD_REG_PICSR); - - if (val & SBE_2T3E3_CPLD_VAL_RECEIVE_LOSS_OF_SIGNAL_CHANGE) { - dev_dbg(&sc->pdev->dev, - "Rx LOS Chng Int r=%02x (LOS|OOF=%02x)\n", - val, (sc->s.LOS << 4) | sc->s.OOF); - cpld_LOS_update(sc); - ret = IRQ_HANDLED; - } - - if (val & SBE_2T3E3_CPLD_VAL_INTERRUPT_FROM_ETHERNET_ASSERTED) { - dc_intr(sc); - ret = IRQ_HANDLED; - } - - if (val & SBE_2T3E3_CPLD_VAL_INTERRUPT_FROM_FRAMER_ASSERTED) { - exar7250_intr(sc); - ret = IRQ_HANDLED; - } - - /* - we don't care about other interrupt sources (DMO, LOS, LCV) because - they are handled by Framer too - */ - - sc->interrupt_active = 0; - return ret; -} - -void dc_intr(struct channel *sc) -{ - u32 val; - - /* disable ethernet interrupts */ - /* grrr this clears interrupt summary bits !!! */ - dc_write(sc->addr, SBE_2T3E3_21143_REG_INTERRUPT_ENABLE, 0); - - while ((val = dc_read(sc->addr, SBE_2T3E3_21143_REG_STATUS)) & - (SBE_2T3E3_21143_VAL_RECEIVE_PROCESS_STOPPED | - SBE_2T3E3_21143_VAL_RECEIVE_BUFFER_UNAVAILABLE | - SBE_2T3E3_21143_VAL_RECEIVE_INTERRUPT | - SBE_2T3E3_21143_VAL_TRANSMIT_UNDERFLOW | - SBE_2T3E3_21143_VAL_TRANSMIT_BUFFER_UNAVAILABLE | - SBE_2T3E3_21143_VAL_TRANSMIT_PROCESS_STOPPED | - SBE_2T3E3_21143_VAL_TRANSMIT_INTERRUPT)) { - dc_write(sc->addr, SBE_2T3E3_21143_REG_STATUS, val); - - dev_dbg(&sc->pdev->dev, "SBE 2T3E3: Ethernet controller interrupt! (CSR5 = %08X)\n", - val); - - if (val & (SBE_2T3E3_21143_VAL_RECEIVE_INTERRUPT | - SBE_2T3E3_21143_VAL_RECEIVE_BUFFER_UNAVAILABLE | - SBE_2T3E3_21143_VAL_RECEIVE_PROCESS_STOPPED)) { - if (val & SBE_2T3E3_21143_VAL_RECEIVE_INTERRUPT) - dev_dbg(&sc->pdev->dev, - "Receive interrupt (LOS=%d, OOF=%d)\n", - sc->s.LOS, sc->s.OOF); - if (val & SBE_2T3E3_21143_VAL_RECEIVE_BUFFER_UNAVAILABLE) - dev_dbg(&sc->pdev->dev, - "Receive buffer unavailable\n"); - if (val & SBE_2T3E3_21143_VAL_RECEIVE_PROCESS_STOPPED) - dev_dbg(&sc->pdev->dev, - "Receive process stopped\n"); - dc_intr_rx(sc); - } - - if (val & SBE_2T3E3_21143_VAL_TRANSMIT_UNDERFLOW) { - dev_dbg(&sc->pdev->dev, "Transmit underflow\n"); - dc_intr_tx_underflow(sc); - } - - if (val & (SBE_2T3E3_21143_VAL_TRANSMIT_BUFFER_UNAVAILABLE | - SBE_2T3E3_21143_VAL_TRANSMIT_INTERRUPT | - SBE_2T3E3_21143_VAL_TRANSMIT_PROCESS_STOPPED)) { - if (val & SBE_2T3E3_21143_VAL_TRANSMIT_INTERRUPT) - dev_dbg(&sc->pdev->dev, "Transmit interrupt\n"); - if (val & SBE_2T3E3_21143_VAL_TRANSMIT_BUFFER_UNAVAILABLE) - dev_dbg(&sc->pdev->dev, - "Transmit buffer unavailable\n"); - if (val & SBE_2T3E3_21143_VAL_TRANSMIT_PROCESS_STOPPED) - dev_dbg(&sc->pdev->dev, - "Transmit process stopped\n"); - dc_intr_tx(sc); - } - } - - /* enable ethernet interrupts */ - dc_write(sc->addr, SBE_2T3E3_21143_REG_INTERRUPT_ENABLE, - sc->ether.interrupt_enable_mask); -} - -void dc_intr_rx(struct channel *sc) -{ - u32 current_read; - u32 error_mask, error; - struct t3e3_rx_desc *current_desc; - struct sk_buff *m, *m2; - unsigned rcv_len; - - sc->rcv_count++; /* for the activity LED */ - - current_read = sc->ether.rx_ring_current_read; - dev_dbg(&sc->pdev->dev, "intr_rx current_read = %d\n", current_read); - - /* when ethernet loopback is set, ignore framer signals */ - if ((sc->p.loopback != SBE_2T3E3_LOOPBACK_ETHERNET) && sc->s.OOF) { - while (!(sc->ether.rx_ring[current_read].rdes0 & - SBE_2T3E3_RX_DESC_21143_OWN)) { - current_desc = &sc->ether.rx_ring[current_read]; - current_desc->rdes1 &= SBE_2T3E3_RX_DESC_END_OF_RING | - SBE_2T3E3_RX_DESC_SECOND_ADDRESS_CHAINED; - current_desc->rdes1 |= SBE_2T3E3_MTU; - current_desc->rdes0 = SBE_2T3E3_RX_DESC_21143_OWN; - current_read = (current_read + 1) % SBE_2T3E3_RX_DESC_RING_SIZE; - } - sc->ether.rx_ring_current_read = current_read; - return; - } - - while (!(sc->ether.rx_ring[current_read].rdes0 & - SBE_2T3E3_RX_DESC_21143_OWN)) { - current_desc = &sc->ether.rx_ring[current_read]; - - dev_dbg(&sc->pdev->dev, "rdes0: %08X rdes1: %08X\n", - current_desc->rdes0, current_desc->rdes1); - - m = sc->ether.rx_data[current_read]; - rcv_len = (current_desc->rdes0 & SBE_2T3E3_RX_DESC_FRAME_LENGTH) >> - SBE_2T3E3_RX_DESC_FRAME_LENGTH_SHIFT; - - dev_dbg(&sc->pdev->dev, "mbuf was received (mbuf len = %d)\n", - rcv_len); - - switch (sc->p.crc) { - case SBE_2T3E3_CRC_16: - rcv_len -= SBE_2T3E3_CRC16_LENGTH; - break; - case SBE_2T3E3_CRC_32: - rcv_len -= SBE_2T3E3_CRC32_LENGTH; - break; - default: - break; - } - - if (current_desc->rdes0 & SBE_2T3E3_RX_DESC_LAST_DESC) { - - /* TODO: is collision possible? */ - error_mask = SBE_2T3E3_RX_DESC_DESC_ERROR | - SBE_2T3E3_RX_DESC_COLLISION_SEEN | - SBE_2T3E3_RX_DESC_DRIBBLING_BIT; - - switch (sc->p.frame_mode) { - case SBE_2T3E3_FRAME_MODE_HDLC: - error_mask |= SBE_2T3E3_RX_DESC_MII_ERROR; - if (sc->p.crc == SBE_2T3E3_CRC_32) - error_mask |= SBE_2T3E3_RX_DESC_CRC_ERROR; - break; - case SBE_2T3E3_FRAME_MODE_TRANSPARENT: - case SBE_2T3E3_FRAME_MODE_RAW: - break; - default: - error_mask = 0; - } - - if (sc->s.LOS) { - error_mask &= ~(SBE_2T3E3_RX_DESC_DRIBBLING_BIT | - SBE_2T3E3_RX_DESC_MII_ERROR); - } - - error = current_desc->rdes0 & error_mask; - if (error) { - sc->s.in_errors++; - dev_dbg(&sc->pdev->dev, - "error interrupt: NO_ERROR_MESSAGE = %d\n", - sc->r.flags & SBE_2T3E3_FLAG_NO_ERROR_MESSAGES ? 1 : 0); - - current_desc->rdes1 &= SBE_2T3E3_RX_DESC_END_OF_RING | - SBE_2T3E3_RX_DESC_SECOND_ADDRESS_CHAINED; - current_desc->rdes1 |= SBE_2T3E3_MTU; - current_desc->rdes0 = SBE_2T3E3_RX_DESC_21143_OWN; - - if (error & SBE_2T3E3_RX_DESC_DESC_ERROR) { - if (!(sc->r.flags & SBE_2T3E3_FLAG_NO_ERROR_MESSAGES)) - dev_err(&sc->pdev->dev, - "SBE 2T3E3: descriptor error\n"); - sc->s.in_error_desc++; - } - - if (error & SBE_2T3E3_RX_DESC_COLLISION_SEEN) { - if (!(sc->r.flags & SBE_2T3E3_FLAG_NO_ERROR_MESSAGES)) - dev_err(&sc->pdev->dev, - "SBE 2T3E3: collision seen\n"); - sc->s.in_error_coll++; - } else { - if (error & SBE_2T3E3_RX_DESC_DRIBBLING_BIT) { - if (!(sc->r.flags & SBE_2T3E3_FLAG_NO_ERROR_MESSAGES)) - dev_err(&sc->pdev->dev, - "SBE 2T3E3: dribbling bits error\n"); - sc->s.in_error_drib++; - } - - if (error & SBE_2T3E3_RX_DESC_CRC_ERROR) { - if (!(sc->r.flags & SBE_2T3E3_FLAG_NO_ERROR_MESSAGES)) - dev_err(&sc->pdev->dev, - "SBE 2T3E3: crc error\n"); - sc->s.in_error_crc++; - } - } - - if (error & SBE_2T3E3_RX_DESC_MII_ERROR) { - if (!(sc->r.flags & SBE_2T3E3_FLAG_NO_ERROR_MESSAGES)) - dev_err(&sc->pdev->dev, "SBE 2T3E3: mii error\n"); - sc->s.in_error_mii++; - } - - current_read = (current_read + 1) % SBE_2T3E3_RX_DESC_RING_SIZE; - sc->r.flags |= SBE_2T3E3_FLAG_NO_ERROR_MESSAGES; - continue; - } - } - - current_desc->rdes1 &= SBE_2T3E3_RX_DESC_END_OF_RING | - SBE_2T3E3_RX_DESC_SECOND_ADDRESS_CHAINED; - current_desc->rdes1 |= SBE_2T3E3_MTU; - - if (rcv_len > 1600) { - sc->s.in_errors++; - sc->s.in_dropped++; - if (!(sc->r.flags & SBE_2T3E3_FLAG_NO_ERROR_MESSAGES)) - dev_err(&sc->pdev->dev, "SBE 2T3E3: oversized rx: rdes0 = %08X\n", - current_desc->rdes0); - } else { - m2 = dev_alloc_skb(MCLBYTES); - if (m2 != NULL) { - current_desc->rdes2 = virt_to_phys(m2->data); - sc->ether.rx_data[current_read] = m2; - sc->s.in_packets++; - sc->s.in_bytes += rcv_len; - m->dev = sc->dev; - skb_put(m, rcv_len); - skb_reset_mac_header(m); - m->protocol = hdlc_type_trans(m, m->dev); - netif_rx(m); - - /* good packet was received so we will show error messages again... */ - if (sc->r.flags & SBE_2T3E3_FLAG_NO_ERROR_MESSAGES) { - dev_dbg(&sc->pdev->dev, - "setting ERROR_MESSAGES->0\n"); - sc->r.flags &= ~SBE_2T3E3_FLAG_NO_ERROR_MESSAGES; - } - - } else { - sc->s.in_errors++; - sc->s.in_dropped++; - } - } - current_desc->rdes0 = SBE_2T3E3_RX_DESC_21143_OWN; - current_read = (current_read + 1) % SBE_2T3E3_RX_DESC_RING_SIZE; - } - - sc->ether.rx_ring_current_read = current_read; - - dc_write(sc->addr, SBE_2T3E3_21143_REG_RECEIVE_POLL_DEMAND, 0xFFFFFFFF); -} - -void dc_intr_tx(struct channel *sc) -{ - u32 current_read, current_write; - u32 last_segment, error; - struct t3e3_tx_desc *current_desc; - - spin_lock(&sc->ether.tx_lock); - - current_read = sc->ether.tx_ring_current_read; - current_write = sc->ether.tx_ring_current_write; - - while (current_read != current_write) { - current_desc = &sc->ether.tx_ring[current_read]; - - if (current_desc->tdes0 & SBE_2T3E3_RX_DESC_21143_OWN) - break; - - dev_dbg(&sc->pdev->dev, - "txeof: tdes0 = %08X tdes1 = %08X\n", - current_desc->tdes0, current_desc->tdes1); - - error = current_desc->tdes0 & (SBE_2T3E3_TX_DESC_ERROR_SUMMARY | - SBE_2T3E3_TX_DESC_TRANSMIT_JABBER_TIMEOUT | - SBE_2T3E3_TX_DESC_LOSS_OF_CARRIER | - SBE_2T3E3_TX_DESC_NO_CARRIER | - SBE_2T3E3_TX_DESC_LINK_FAIL_REPORT | - SBE_2T3E3_TX_DESC_UNDERFLOW_ERROR | - SBE_2T3E3_TX_DESC_DEFFERED); - - last_segment = current_desc->tdes1 & SBE_2T3E3_TX_DESC_LAST_SEGMENT; - - current_desc->tdes0 = 0; - current_desc->tdes1 &= SBE_2T3E3_TX_DESC_END_OF_RING | - SBE_2T3E3_TX_DESC_SECOND_ADDRESS_CHAINED; - current_desc->tdes2 = 0; - sc->ether.tx_free_cnt++; - - if (last_segment != SBE_2T3E3_TX_DESC_LAST_SEGMENT) { - current_read = (current_read + 1) % SBE_2T3E3_TX_DESC_RING_SIZE; - continue; - } - - - if (sc->ether.tx_data[current_read]) { - sc->s.out_packets++; - sc->s.out_bytes += sc->ether.tx_data[current_read]->len; - dev_kfree_skb_any(sc->ether.tx_data[current_read]); - sc->ether.tx_data[current_read] = NULL; - } - - if (error > 0) { - sc->s.out_errors++; - - if (error & SBE_2T3E3_TX_DESC_TRANSMIT_JABBER_TIMEOUT) { - dev_err(&sc->pdev->dev, "SBE 2T3E3: transmit jabber timeout\n"); - sc->s.out_error_jab++; - } - - if (sc->p.loopback != SBE_2T3E3_LOOPBACK_ETHERNET) { - if (error & SBE_2T3E3_TX_DESC_LOSS_OF_CARRIER) { - dev_err(&sc->pdev->dev, "SBE 2T3E3: loss of carrier\n"); - sc->s.out_error_lost_carr++; - } - - if (error & SBE_2T3E3_TX_DESC_NO_CARRIER) { - dev_err(&sc->pdev->dev, "SBE 2T3E3: no carrier\n"); - sc->s.out_error_no_carr++; - } - } - - if (error & SBE_2T3E3_TX_DESC_LINK_FAIL_REPORT) { - dev_err(&sc->pdev->dev, "SBE 2T3E3: link fail report\n"); - sc->s.out_error_link_fail++; - } - - if (error & SBE_2T3E3_TX_DESC_UNDERFLOW_ERROR) { - dev_err(&sc->pdev->dev, "SBE 2T3E3:" - " transmission underflow error\n"); - sc->s.out_error_underflow++; - spin_unlock(&sc->ether.tx_lock); - - dc_restart(sc); - return; - } - - if (error & SBE_2T3E3_TX_DESC_DEFFERED) { - dev_err(&sc->pdev->dev, "SBE 2T3E3: transmission deferred\n"); - sc->s.out_error_dereferred++; - } - } - - current_read = (current_read + 1) % SBE_2T3E3_TX_DESC_RING_SIZE; - } - - sc->ether.tx_ring_current_read = current_read; - - /* Relieve flow control when the TX queue is drained at least half way */ - if (sc->ether.tx_full && - (sc->ether.tx_free_cnt >= (SBE_2T3E3_TX_DESC_RING_SIZE / 2))) { - sc->ether.tx_full = 0; - netif_wake_queue(sc->dev); - } - spin_unlock(&sc->ether.tx_lock); -} - - -void dc_intr_tx_underflow(struct channel *sc) -{ - u32 val; - - dc_transmitter_onoff(sc, SBE_2T3E3_OFF); - - val = dc_read(sc->addr, SBE_2T3E3_21143_REG_OPERATION_MODE); - dc_clear_bits(sc->addr, SBE_2T3E3_21143_REG_OPERATION_MODE, - SBE_2T3E3_21143_VAL_THRESHOLD_CONTROL_BITS); - - switch (val & SBE_2T3E3_21143_VAL_THRESHOLD_CONTROL_BITS) { - case SBE_2T3E3_21143_VAL_THRESHOLD_CONTROL_BITS_1: - dc_set_bits(sc->addr, SBE_2T3E3_21143_REG_OPERATION_MODE, - SBE_2T3E3_21143_VAL_THRESHOLD_CONTROL_BITS_2); - break; - case SBE_2T3E3_21143_VAL_THRESHOLD_CONTROL_BITS_2: - dc_set_bits(sc->addr, SBE_2T3E3_21143_REG_OPERATION_MODE, - SBE_2T3E3_21143_VAL_THRESHOLD_CONTROL_BITS_3); - break; - case SBE_2T3E3_21143_VAL_THRESHOLD_CONTROL_BITS_3: - dc_set_bits(sc->addr, SBE_2T3E3_21143_REG_OPERATION_MODE, - SBE_2T3E3_21143_VAL_THRESHOLD_CONTROL_BITS_4); - break; - case SBE_2T3E3_21143_VAL_THRESHOLD_CONTROL_BITS_4: - default: - dc_set_bits(sc->addr, SBE_2T3E3_21143_REG_OPERATION_MODE, - SBE_2T3E3_21143_VAL_STORE_AND_FORWARD); - break; - } - - dc_transmitter_onoff(sc, SBE_2T3E3_ON); -} - - - - -void exar7250_intr(struct channel *sc) -{ - u32 status, old_OOF; - - old_OOF = sc->s.OOF; - - status = exar7250_read(sc, SBE_2T3E3_FRAMER_REG_BLOCK_INTERRUPT_STATUS); - dev_dbg(&sc->pdev->dev, "SBE 2T3E3: Framer interrupt! (REG[0x05] = %02X)\n", status); - - switch (sc->p.frame_type) { - case SBE_2T3E3_FRAME_TYPE_E3_G751: - case SBE_2T3E3_FRAME_TYPE_E3_G832: - exar7250_E3_intr(sc, status); - break; - - case SBE_2T3E3_FRAME_TYPE_T3_CBIT: - case SBE_2T3E3_FRAME_TYPE_T3_M13: - exar7250_T3_intr(sc, status); - break; - - default: - break; - } - - if (sc->s.OOF != old_OOF) { - if (sc->s.OOF) { - if (sc->p.loopback == SBE_2T3E3_LOOPBACK_NONE) { - dev_dbg(&sc->pdev->dev, "SBE 2T3E3: Disabling eth interrupts\n"); - /* turn off ethernet interrupts */ - dc_stop_intr(sc); - } - } else if (sc->r.flags & SBE_2T3E3_FLAG_NETWORK_UP) { - dev_dbg(&sc->pdev->dev, "SBE 2T3E3: Enabling eth interrupts\n"); - /* start interrupts */ - sc->s.OOF = 1; - dc_intr_rx(sc); - sc->s.OOF = 0; - if (sc->p.receiver_on) { - dc_receiver_onoff(sc, SBE_2T3E3_OFF); - dc_receiver_onoff(sc, SBE_2T3E3_ON); - } - dc_start_intr(sc); - } - } -} - - -void exar7250_T3_intr(struct channel *sc, u32 block_status) -{ - u32 status, result; - - if (block_status & SBE_2T3E3_FRAMER_VAL_RX_INTERRUPT_STATUS) { - status = exar7250_read(sc, SBE_2T3E3_FRAMER_REG_T3_RX_INTERRUPT_STATUS); - - if (status) { - dev_dbg(&sc->pdev->dev, - "Framer interrupt T3 RX (REG[0x13] = %02X)\n", - status); - - result = exar7250_read(sc, SBE_2T3E3_FRAMER_REG_T3_RX_CONFIGURATION_STATUS); - - cpld_LOS_update(sc); - - if (status & SBE_2T3E3_FRAMER_VAL_T3_RX_OOF_INTERRUPT_STATUS) { - sc->s.OOF = result & SBE_2T3E3_FRAMER_VAL_T3_RX_OOF ? 1 : 0; - dev_dbg(&sc->pdev->dev, - "Framer interrupt T3: OOF (%d)\n", - sc->s.OOF); - } - - exar7250_write(sc, SBE_2T3E3_FRAMER_REG_T3_RX_INTERRUPT_ENABLE, - SBE_2T3E3_FRAMER_VAL_T3_RX_LOS_INTERRUPT_ENABLE | - SBE_2T3E3_FRAMER_VAL_T3_RX_OOF_INTERRUPT_ENABLE); - } - - status = exar7250_read(sc, SBE_2T3E3_FRAMER_REG_T3_RX_FEAC_INTERRUPT_ENABLE_STATUS); - if (status) { - dev_dbg(&sc->pdev->dev, - "Framer interrupt T3 RX (REG[0x17] = %02X)\n", - status); - } - - status = exar7250_read(sc, SBE_2T3E3_FRAMER_REG_T3_RX_LAPD_CONTROL); - if (status) - dev_dbg(&sc->pdev->dev, - "Framer interrupt T3 RX (REG[0x18] = %02X)\n", - status); - } - - - if (block_status & SBE_2T3E3_FRAMER_VAL_TX_INTERRUPT_STATUS) { - status = exar7250_read(sc, SBE_2T3E3_FRAMER_REG_T3_TX_FEAC_CONFIGURATION_STATUS); - dev_dbg(&sc->pdev->dev, "SBE 2T3E3: Framer interrupt T3 TX (REG[0x31] = %02X)\n", - status); - - status = exar7250_read(sc, SBE_2T3E3_FRAMER_REG_T3_TX_LAPD_STATUS); - dev_dbg(&sc->pdev->dev, "SBE 2T3E3: Framer interrupt T3 TX (REG[0x34] = %02X)\n", - status); - } -} - - -void exar7250_E3_intr(struct channel *sc, u32 block_status) -{ - u32 status, result; - - if (block_status & SBE_2T3E3_FRAMER_VAL_RX_INTERRUPT_STATUS) { - status = exar7250_read(sc, SBE_2T3E3_FRAMER_REG_E3_RX_INTERRUPT_STATUS_1); - - if (status) { - dev_dbg(&sc->pdev->dev, - "Framer interrupt E3 RX (REG[0x14] = %02X)\n", - status); - - result = exar7250_read(sc, SBE_2T3E3_FRAMER_REG_E3_RX_CONFIGURATION_STATUS_2); - - cpld_LOS_update(sc); - - if (status & SBE_2T3E3_FRAMER_VAL_E3_RX_OOF_INTERRUPT_STATUS) { - sc->s.OOF = result & SBE_2T3E3_FRAMER_VAL_E3_RX_OOF ? 1 : 0; - dev_dbg(&sc->pdev->dev, - "Framer interrupt E3: OOF (%d)\n", - sc->s.OOF); - } - - exar7250_write(sc, SBE_2T3E3_FRAMER_REG_E3_RX_INTERRUPT_ENABLE_1, - SBE_2T3E3_FRAMER_VAL_E3_RX_OOF_INTERRUPT_ENABLE | - SBE_2T3E3_FRAMER_VAL_E3_RX_LOS_INTERRUPT_ENABLE - ); - } - - status = exar7250_read(sc, SBE_2T3E3_FRAMER_REG_E3_RX_INTERRUPT_STATUS_2); - if (status) { - dev_dbg(&sc->pdev->dev, - "Framer interrupt E3 RX (REG[0x15] = %02X)\n", - status); - - } - - } - - if (block_status & SBE_2T3E3_FRAMER_VAL_TX_INTERRUPT_STATUS) { - status = exar7250_read(sc, SBE_2T3E3_FRAMER_REG_E3_TX_LAPD_STATUS); - dev_dbg(&sc->pdev->dev, "SBE 2T3E3: Framer interrupt E3 TX (REG[0x34] = %02X)\n", - status); - } -} |