diff options
Diffstat (limited to 'drivers/staging/sbe-2t3e3/ctrl.c')
| -rw-r--r-- | drivers/staging/sbe-2t3e3/ctrl.c | 350 |
1 files changed, 0 insertions, 350 deletions
diff --git a/drivers/staging/sbe-2t3e3/ctrl.c b/drivers/staging/sbe-2t3e3/ctrl.c deleted file mode 100644 index e0964ac9e7d7..000000000000 --- a/drivers/staging/sbe-2t3e3/ctrl.c +++ /dev/null @@ -1,350 +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/types.h> -#include "2t3e3.h" -#include "ctrl.h" - -void t3e3_set_frame_type(struct channel *sc, u32 mode) -{ - if (sc->p.frame_type == mode) - return; - - if (sc->r.flags & SBE_2T3E3_FLAG_NETWORK_UP) { - dev_err(&sc->pdev->dev, "SBE 2T3E3: changing frame type during active connection\n"); - return; - } - - exar7300_set_frame_type(sc, mode); - exar7250_set_frame_type(sc, mode); - cpld_set_frame_type(sc, mode); - - sc->p.frame_type = mode; -} - -static void t3e3_set_loopback(struct channel *sc, u32 mode) -{ - u32 tx, rx; - - if (sc->p.loopback == mode) - return; - - tx = sc->p.transmitter_on; - rx = sc->p.receiver_on; - if (tx == SBE_2T3E3_ON) - dc_transmitter_onoff(sc, SBE_2T3E3_OFF); - if (rx == SBE_2T3E3_ON) - dc_receiver_onoff(sc, SBE_2T3E3_OFF); - - /* stop current loopback if any exists */ - switch (sc->p.loopback) { - case SBE_2T3E3_LOOPBACK_NONE: - break; - case SBE_2T3E3_LOOPBACK_ETHERNET: - dc_set_loopback(sc, SBE_2T3E3_21143_VAL_LOOPBACK_OFF); - break; - case SBE_2T3E3_LOOPBACK_FRAMER: - exar7250_set_loopback(sc, SBE_2T3E3_FRAMER_VAL_LOOPBACK_OFF); - break; - case SBE_2T3E3_LOOPBACK_LIU_DIGITAL: - case SBE_2T3E3_LOOPBACK_LIU_ANALOG: - case SBE_2T3E3_LOOPBACK_LIU_REMOTE: - exar7300_set_loopback(sc, SBE_2T3E3_LIU_VAL_LOOPBACK_OFF); - break; - default: - return; - } - - switch (mode) { - case SBE_2T3E3_LOOPBACK_NONE: - break; - case SBE_2T3E3_LOOPBACK_ETHERNET: - dc_set_loopback(sc, SBE_2T3E3_21143_VAL_LOOPBACK_INTERNAL); - break; - case SBE_2T3E3_LOOPBACK_FRAMER: - exar7250_set_loopback(sc, SBE_2T3E3_FRAMER_VAL_LOOPBACK_ON); - break; - case SBE_2T3E3_LOOPBACK_LIU_DIGITAL: - exar7300_set_loopback(sc, SBE_2T3E3_LIU_VAL_LOOPBACK_DIGITAL); - break; - case SBE_2T3E3_LOOPBACK_LIU_ANALOG: - exar7300_set_loopback(sc, SBE_2T3E3_LIU_VAL_LOOPBACK_ANALOG); - break; - case SBE_2T3E3_LOOPBACK_LIU_REMOTE: - exar7300_set_loopback(sc, SBE_2T3E3_LIU_VAL_LOOPBACK_REMOTE); - break; - default: - return; - } - - sc->p.loopback = mode; - - if (tx == SBE_2T3E3_ON) - dc_transmitter_onoff(sc, SBE_2T3E3_ON); - if (rx == SBE_2T3E3_ON) - dc_receiver_onoff(sc, SBE_2T3E3_ON); -} - - -static void t3e3_reg_read(struct channel *sc, u32 *reg, u32 *val) -{ - u32 i; - - *val = 0; - - switch (reg[0]) { - case SBE_2T3E3_CHIP_21143: - if (!(reg[1] & 7)) - *val = dc_read(sc->addr, reg[1] / 8); - break; - case SBE_2T3E3_CHIP_CPLD: - for (i = 0; i < SBE_2T3E3_CPLD_REG_MAX; i++) - if (cpld_reg_map[i][sc->h.slot] == reg[1]) { - *val = cpld_read(sc, i); - break; - } - break; - case SBE_2T3E3_CHIP_FRAMER: - for (i = 0; i < SBE_2T3E3_FRAMER_REG_MAX; i++) - if (t3e3_framer_reg_map[i] == reg[1]) { - *val = exar7250_read(sc, i); - break; - } - break; - case SBE_2T3E3_CHIP_LIU: - for (i = 0; i < SBE_2T3E3_LIU_REG_MAX; i++) - if (t3e3_liu_reg_map[i] == reg[1]) { - *val = exar7300_read(sc, i); - break; - } - break; - default: - break; - } -} - -static void t3e3_reg_write(struct channel *sc, u32 *reg) -{ - u32 i; - - switch (reg[0]) { - case SBE_2T3E3_CHIP_21143: - dc_write(sc->addr, reg[1], reg[2]); - break; - case SBE_2T3E3_CHIP_CPLD: - for (i = 0; i < SBE_2T3E3_CPLD_REG_MAX; i++) - if (cpld_reg_map[i][sc->h.slot] == reg[1]) { - cpld_write(sc, i, reg[2]); - break; - } - break; - case SBE_2T3E3_CHIP_FRAMER: - for (i = 0; i < SBE_2T3E3_FRAMER_REG_MAX; i++) - if (t3e3_framer_reg_map[i] == reg[1]) { - exar7250_write(sc, i, reg[2]); - break; - } - break; - case SBE_2T3E3_CHIP_LIU: - for (i = 0; i < SBE_2T3E3_LIU_REG_MAX; i++) - if (t3e3_liu_reg_map[i] == reg[1]) { - exar7300_write(sc, i, reg[2]); - break; - } - break; - } -} - -static void t3e3_port_get(struct channel *sc, struct t3e3_param *param) -{ - memcpy(param, &(sc->p), sizeof(struct t3e3_param)); -} - -static void t3e3_port_set(struct channel *sc, struct t3e3_param *param) -{ - if (param->frame_mode != 0xff) - cpld_set_frame_mode(sc, param->frame_mode); - - if (param->fractional_mode != 0xff) - cpld_set_fractional_mode(sc, param->fractional_mode, - param->bandwidth_start, - param->bandwidth_stop); - - if (param->pad_count != 0xff) - cpld_set_pad_count(sc, param->pad_count); - - if (param->crc != 0xff) - cpld_set_crc(sc, param->crc); - - if (param->receiver_on != 0xff) - dc_receiver_onoff(sc, param->receiver_on); - - if (param->transmitter_on != 0xff) - dc_transmitter_onoff(sc, param->transmitter_on); - - if (param->frame_type != 0xff) - t3e3_set_frame_type(sc, param->frame_type); - - if (param->panel != 0xff) - cpld_select_panel(sc, param->panel); - - if (param->line_build_out != 0xff) - exar7300_line_build_out_onoff(sc, param->line_build_out); - - if (param->receive_equalization != 0xff) - exar7300_receive_equalization_onoff(sc, param->receive_equalization); - - if (param->transmit_all_ones != 0xff) - exar7300_transmit_all_ones_onoff(sc, param->transmit_all_ones); - - if (param->loopback != 0xff) - t3e3_set_loopback(sc, param->loopback); - - if (param->clock_source != 0xff) - cpld_set_clock(sc, param->clock_source); - - if (param->scrambler != 0xff) - cpld_set_scrambler(sc, param->scrambler); -} - -static void t3e3_port_get_stats(struct channel *sc, struct t3e3_stats *stats) -{ - u32 result; - - sc->s.LOC = exar7250_read(sc, SBE_2T3E3_FRAMER_REG_IO_CONTROL) - & SBE_2T3E3_FRAMER_VAL_LOSS_OF_CLOCK_STATUS ? 1 : 0; - - switch (sc->p.frame_type) { - case SBE_2T3E3_FRAME_TYPE_E3_G751: - case SBE_2T3E3_FRAME_TYPE_E3_G832: - result = exar7250_read(sc, SBE_2T3E3_FRAMER_REG_E3_RX_CONFIGURATION_STATUS_2); - sc->s.LOF = result & SBE_2T3E3_FRAMER_VAL_E3_RX_LOF ? 1 : 0; - sc->s.OOF = result & SBE_2T3E3_FRAMER_VAL_E3_RX_OOF ? 1 : 0; - - cpld_LOS_update(sc); - - sc->s.AIS = result & SBE_2T3E3_FRAMER_VAL_E3_RX_AIS ? 1 : 0; - sc->s.FERF = result & SBE_2T3E3_FRAMER_VAL_E3_RX_FERF ? 1 : 0; - break; - - case SBE_2T3E3_FRAME_TYPE_T3_CBIT: - case SBE_2T3E3_FRAME_TYPE_T3_M13: - result = exar7250_read(sc, SBE_2T3E3_FRAMER_REG_T3_RX_CONFIGURATION_STATUS); - sc->s.AIS = result & SBE_2T3E3_FRAMER_VAL_T3_RX_AIS ? 1 : 0; - - cpld_LOS_update(sc); - - sc->s.IDLE = result & SBE_2T3E3_FRAMER_VAL_T3_RX_IDLE ? 1 : 0; - sc->s.OOF = result & SBE_2T3E3_FRAMER_VAL_T3_RX_OOF ? 1 : 0; - - result = exar7250_read(sc, SBE_2T3E3_FRAMER_REG_T3_RX_STATUS); - sc->s.FERF = result & SBE_2T3E3_FRAMER_VAL_T3_RX_FERF ? 1 : 0; - sc->s.AIC = result & SBE_2T3E3_FRAMER_VAL_T3_RX_AIC ? 1 : 0; - sc->s.FEBE_code = result & SBE_2T3E3_FRAMER_VAL_T3_RX_FEBE; - - sc->s.FEAC = exar7250_read(sc, SBE_2T3E3_FRAMER_REG_T3_RX_FEAC); - break; - - default: - break; - } - - result = exar7250_read(sc, SBE_2T3E3_FRAMER_REG_PMON_LCV_EVENT_COUNT_MSB) << 8; - result += exar7250_read(sc, SBE_2T3E3_FRAMER_REG_PMON_HOLDING_REGISTER); - sc->s.LCV += result; - - result = exar7250_read(sc, SBE_2T3E3_FRAMER_REG_PMON_FRAMING_BIT_ERROR_EVENT_COUNT_MSB) << 8; - result += exar7250_read(sc, SBE_2T3E3_FRAMER_REG_PMON_HOLDING_REGISTER); - sc->s.FRAMING_BIT += result; - - result = exar7250_read(sc, SBE_2T3E3_FRAMER_REG_PMON_PARITY_ERROR_EVENT_COUNT_MSB) << 8; - result += exar7250_read(sc, SBE_2T3E3_FRAMER_REG_PMON_HOLDING_REGISTER); - sc->s.PARITY_ERROR += result; - - result = exar7250_read(sc, SBE_2T3E3_FRAMER_REG_PMON_FEBE_EVENT_COUNT_MSB) << 8; - result += exar7250_read(sc, SBE_2T3E3_FRAMER_REG_PMON_HOLDING_REGISTER); - sc->s.FEBE_count += result; - - result = exar7250_read(sc, SBE_2T3E3_FRAMER_REG_PMON_CP_BIT_ERROR_EVENT_COUNT_MSB) << 8; - result += exar7250_read(sc, SBE_2T3E3_FRAMER_REG_PMON_HOLDING_REGISTER); - sc->s.CP_BIT += result; - - memcpy(stats, &(sc->s), sizeof(struct t3e3_stats)); -} - -static void t3e3_port_del_stats(struct channel *sc) -{ - memset(&(sc->s), 0, sizeof(struct t3e3_stats)); -} - -void t3e3_if_config(struct channel *sc, u32 cmd, char *set, - struct t3e3_resp *ret, int *rlen) -{ - struct t3e3_param *param = (struct t3e3_param *)set; - u32 *data = (u32 *)set; - - /* turn off all interrupt */ - /* cpld_stop_intr(sc); */ - - switch (cmd) { - case SBE_2T3E3_PORT_GET: - t3e3_port_get(sc, &(ret->u.param)); - *rlen = sizeof(ret->u.param); - break; - case SBE_2T3E3_PORT_SET: - t3e3_port_set(sc, param); - *rlen = 0; - break; - case SBE_2T3E3_PORT_GET_STATS: - t3e3_port_get_stats(sc, &(ret->u.stats)); - *rlen = sizeof(ret->u.stats); - break; - case SBE_2T3E3_PORT_DEL_STATS: - t3e3_port_del_stats(sc); - *rlen = 0; - break; - case SBE_2T3E3_PORT_READ_REGS: - t3e3_reg_read(sc, data, &(ret->u.data)); - *rlen = sizeof(ret->u.data); - break; - case SBE_2T3E3_PORT_WRITE_REGS: - t3e3_reg_write(sc, data); - *rlen = 0; - break; - case SBE_2T3E3_LOG_LEVEL: - *rlen = 0; - break; - default: - *rlen = 0; - break; - } -} - -void t3e3_sc_init(struct channel *sc) -{ - memset(sc, 0, sizeof(*sc)); - - sc->p.frame_mode = SBE_2T3E3_FRAME_MODE_HDLC; - sc->p.fractional_mode = SBE_2T3E3_FRACTIONAL_MODE_NONE; - sc->p.crc = SBE_2T3E3_CRC_32; - sc->p.receiver_on = SBE_2T3E3_OFF; - sc->p.transmitter_on = SBE_2T3E3_OFF; - sc->p.frame_type = SBE_2T3E3_FRAME_TYPE_T3_CBIT; - sc->p.panel = SBE_2T3E3_PANEL_FRONT; - sc->p.line_build_out = SBE_2T3E3_OFF; - sc->p.receive_equalization = SBE_2T3E3_OFF; - sc->p.transmit_all_ones = SBE_2T3E3_OFF; - sc->p.loopback = SBE_2T3E3_LOOPBACK_NONE; - sc->p.clock_source = SBE_2T3E3_TIMING_LOCAL; - sc->p.scrambler = SBE_2T3E3_SCRAMBLER_OFF; - sc->p.pad_count = SBE_2T3E3_PAD_COUNT_1; -} |