diff options
Diffstat (limited to 'drivers/staging/sbe-2t3e3/exar7250.c')
| -rw-r--r-- | drivers/staging/sbe-2t3e3/exar7250.c | 185 |
1 files changed, 0 insertions, 185 deletions
diff --git a/drivers/staging/sbe-2t3e3/exar7250.c b/drivers/staging/sbe-2t3e3/exar7250.c deleted file mode 100644 index e3ddd14..0000000 --- a/drivers/staging/sbe-2t3e3/exar7250.c +++ /dev/null @@ -1,185 +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 "2t3e3.h" -#include "ctrl.h" - -void exar7250_init(struct channel *sc) -{ - exar7250_write(sc, SBE_2T3E3_FRAMER_REG_OPERATING_MODE, - SBE_2T3E3_FRAMER_VAL_T3_CBIT | - SBE_2T3E3_FRAMER_VAL_INTERRUPT_ENABLE_RESET | - SBE_2T3E3_FRAMER_VAL_TIMING_ASYNCH_TXINCLK); - - exar7250_write(sc, SBE_2T3E3_FRAMER_REG_IO_CONTROL, - SBE_2T3E3_FRAMER_VAL_DISABLE_TX_LOSS_OF_CLOCK | - SBE_2T3E3_FRAMER_VAL_DISABLE_RX_LOSS_OF_CLOCK | - SBE_2T3E3_FRAMER_VAL_AMI_LINE_CODE | - SBE_2T3E3_FRAMER_VAL_RX_LINE_CLOCK_INVERT); - - exar7250_set_frame_type(sc, SBE_2T3E3_FRAME_TYPE_T3_CBIT); -} - -void exar7250_set_frame_type(struct channel *sc, u32 type) -{ - u32 val; - - switch (type) { - case SBE_2T3E3_FRAME_TYPE_E3_G751: - case SBE_2T3E3_FRAME_TYPE_E3_G832: - case SBE_2T3E3_FRAME_TYPE_T3_CBIT: - case SBE_2T3E3_FRAME_TYPE_T3_M13: - break; - default: - return; - } - - exar7250_stop_intr(sc, type); - - val = exar7250_read(sc, SBE_2T3E3_FRAMER_REG_OPERATING_MODE); - val &= ~(SBE_2T3E3_FRAMER_VAL_LOCAL_LOOPBACK_MODE | - SBE_2T3E3_FRAMER_VAL_T3_E3_SELECT | - SBE_2T3E3_FRAMER_VAL_FRAME_FORMAT_SELECT); - switch (type) { - case SBE_2T3E3_FRAME_TYPE_E3_G751: - val |= SBE_2T3E3_FRAMER_VAL_E3_G751; - break; - case SBE_2T3E3_FRAME_TYPE_E3_G832: - val |= SBE_2T3E3_FRAMER_VAL_E3_G832; - break; - case SBE_2T3E3_FRAME_TYPE_T3_CBIT: - val |= SBE_2T3E3_FRAMER_VAL_T3_CBIT; - break; - case SBE_2T3E3_FRAME_TYPE_T3_M13: - val |= SBE_2T3E3_FRAMER_VAL_T3_M13; - break; - default: - return; - } - exar7250_write(sc, SBE_2T3E3_FRAMER_REG_OPERATING_MODE, val); - exar7250_start_intr(sc, type); -} - - -void exar7250_start_intr(struct channel *sc, u32 type) -{ - u32 val; - - switch (type) { - case SBE_2T3E3_FRAME_TYPE_E3_G751: - case SBE_2T3E3_FRAME_TYPE_E3_G832: - val = exar7250_read(sc, SBE_2T3E3_FRAMER_REG_E3_RX_CONFIGURATION_STATUS_2); - - cpld_LOS_update(sc); - - sc->s.OOF = val & SBE_2T3E3_FRAMER_VAL_E3_RX_OOF ? 1 : 0; - exar7250_read(sc, SBE_2T3E3_FRAMER_REG_E3_RX_INTERRUPT_STATUS_1); - 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); - - exar7250_read(sc, SBE_2T3E3_FRAMER_REG_E3_RX_INTERRUPT_STATUS_2); - break; - - case SBE_2T3E3_FRAME_TYPE_T3_CBIT: - case SBE_2T3E3_FRAME_TYPE_T3_M13: - val = exar7250_read(sc, SBE_2T3E3_FRAMER_REG_T3_RX_CONFIGURATION_STATUS); - - cpld_LOS_update(sc); - - sc->s.OOF = val & SBE_2T3E3_FRAMER_VAL_T3_RX_OOF ? 1 : 0; - - exar7250_read(sc, SBE_2T3E3_FRAMER_REG_T3_RX_INTERRUPT_STATUS); - 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); - - exar7250_read(sc, SBE_2T3E3_FRAMER_REG_T3_RX_FEAC_INTERRUPT_ENABLE_STATUS); - - exar7250_write(sc, SBE_2T3E3_FRAMER_REG_T3_RX_LAPD_CONTROL, 0); - break; - - default: - return; - } - - exar7250_read(sc, SBE_2T3E3_FRAMER_REG_BLOCK_INTERRUPT_STATUS); - exar7250_write(sc, SBE_2T3E3_FRAMER_REG_BLOCK_INTERRUPT_ENABLE, - SBE_2T3E3_FRAMER_VAL_RX_INTERRUPT_ENABLE | - SBE_2T3E3_FRAMER_VAL_TX_INTERRUPT_ENABLE); -} - - -void exar7250_stop_intr(struct channel *sc, u32 type) -{ - exar7250_write(sc, SBE_2T3E3_FRAMER_REG_BLOCK_INTERRUPT_ENABLE, 0); - exar7250_read(sc, SBE_2T3E3_FRAMER_REG_BLOCK_INTERRUPT_STATUS); - - switch (type) { - case SBE_2T3E3_FRAME_TYPE_E3_G751: - case SBE_2T3E3_FRAME_TYPE_E3_G832: - exar7250_write(sc, SBE_2T3E3_FRAMER_REG_E3_RX_INTERRUPT_ENABLE_1, 0); - exar7250_read(sc, SBE_2T3E3_FRAMER_REG_E3_RX_INTERRUPT_STATUS_1); - exar7250_write(sc, SBE_2T3E3_FRAMER_REG_E3_RX_INTERRUPT_ENABLE_2, 0); - exar7250_read(sc, SBE_2T3E3_FRAMER_REG_E3_RX_INTERRUPT_STATUS_2); - exar7250_write(sc, SBE_2T3E3_FRAMER_REG_E3_RX_LAPD_CONTROL, 0); - exar7250_read(sc, SBE_2T3E3_FRAMER_REG_E3_RX_LAPD_CONTROL); - exar7250_write(sc, SBE_2T3E3_FRAMER_REG_E3_TX_LAPD_STATUS, 0); - exar7250_read(sc, SBE_2T3E3_FRAMER_REG_E3_TX_LAPD_STATUS); - break; - - case SBE_2T3E3_FRAME_TYPE_T3_CBIT: - case SBE_2T3E3_FRAME_TYPE_T3_M13: - exar7250_write(sc, SBE_2T3E3_FRAMER_REG_T3_RX_INTERRUPT_ENABLE, 0); - exar7250_read(sc, SBE_2T3E3_FRAMER_REG_T3_RX_INTERRUPT_STATUS); - exar7250_write(sc, SBE_2T3E3_FRAMER_REG_T3_RX_FEAC_INTERRUPT_ENABLE_STATUS, 0); - exar7250_read(sc, SBE_2T3E3_FRAMER_REG_T3_RX_FEAC_INTERRUPT_ENABLE_STATUS); - exar7250_write(sc, SBE_2T3E3_FRAMER_REG_T3_RX_LAPD_CONTROL, 0); - exar7250_read(sc, SBE_2T3E3_FRAMER_REG_T3_RX_LAPD_CONTROL); - exar7250_write(sc, SBE_2T3E3_FRAMER_REG_T3_TX_FEAC_CONFIGURATION_STATUS, 0); - exar7250_read(sc, SBE_2T3E3_FRAMER_REG_T3_TX_FEAC_CONFIGURATION_STATUS); - exar7250_write(sc, SBE_2T3E3_FRAMER_REG_T3_TX_LAPD_STATUS, 0); - exar7250_read(sc, SBE_2T3E3_FRAMER_REG_T3_TX_LAPD_STATUS); - break; - } -} - - - - -void exar7250_unipolar_onoff(struct channel *sc, u32 mode) -{ - switch (mode) { - case SBE_2T3E3_OFF: - exar7300_clear_bit(sc, SBE_2T3E3_FRAMER_REG_IO_CONTROL, - SBE_2T3E3_FRAMER_VAL_UNIPOLAR); - break; - case SBE_2T3E3_ON: - exar7300_set_bit(sc, SBE_2T3E3_FRAMER_REG_IO_CONTROL, - SBE_2T3E3_FRAMER_VAL_UNIPOLAR); - break; - } -} - -void exar7250_set_loopback(struct channel *sc, u32 mode) -{ - switch (mode) { - case SBE_2T3E3_FRAMER_VAL_LOOPBACK_OFF: - exar7300_clear_bit(sc, SBE_2T3E3_FRAMER_REG_OPERATING_MODE, - SBE_2T3E3_FRAMER_VAL_LOCAL_LOOPBACK_MODE); - break; - case SBE_2T3E3_FRAMER_VAL_LOOPBACK_ON: - exar7300_set_bit(sc, SBE_2T3E3_FRAMER_REG_OPERATING_MODE, - SBE_2T3E3_FRAMER_VAL_LOCAL_LOOPBACK_MODE); - break; - } -} |
