diff options
| -rw-r--r-- | arch/mips/configs/gpr_defconfig | 1 | ||||
| -rw-r--r-- | arch/mips/configs/mtx1_defconfig | 1 | ||||
| -rw-r--r-- | drivers/net/wan/Kconfig | 28 | ||||
| -rw-r--r-- | drivers/net/wan/Makefile | 2 | ||||
| -rw-r--r-- | drivers/net/wan/lmc/Makefile | 18 | ||||
| -rw-r--r-- | drivers/net/wan/lmc/lmc.h | 33 | ||||
| -rw-r--r-- | drivers/net/wan/lmc/lmc_debug.c | 65 | ||||
| -rw-r--r-- | drivers/net/wan/lmc/lmc_debug.h | 52 | ||||
| -rw-r--r-- | drivers/net/wan/lmc/lmc_ioctl.h | 255 | ||||
| -rw-r--r-- | drivers/net/wan/lmc/lmc_main.c | 2009 | ||||
| -rw-r--r-- | drivers/net/wan/lmc/lmc_media.c | 1206 | ||||
| -rw-r--r-- | drivers/net/wan/lmc/lmc_proto.c | 106 | ||||
| -rw-r--r-- | drivers/net/wan/lmc/lmc_proto.h | 18 | ||||
| -rw-r--r-- | drivers/net/wan/lmc/lmc_var.h | 468 |
14 files changed, 0 insertions, 4262 deletions
diff --git a/arch/mips/configs/gpr_defconfig b/arch/mips/configs/gpr_defconfig index 5cb91509bb7c..f86838bcae4c 100644 --- a/arch/mips/configs/gpr_defconfig +++ b/arch/mips/configs/gpr_defconfig @@ -214,7 +214,6 @@ CONFIG_ATH_DEBUG=y CONFIG_ATH5K=y CONFIG_ATH5K_DEBUG=y CONFIG_WAN=y -CONFIG_LANMEDIA=m CONFIG_HDLC=m CONFIG_HDLC_RAW=m CONFIG_HDLC_RAW_ETH=m diff --git a/arch/mips/configs/mtx1_defconfig b/arch/mips/configs/mtx1_defconfig index 205d3b34528c..eb0b313a2109 100644 --- a/arch/mips/configs/mtx1_defconfig +++ b/arch/mips/configs/mtx1_defconfig @@ -363,7 +363,6 @@ CONFIG_USB_AN2720=y CONFIG_USB_EPSON2888=y CONFIG_USB_SIERRA_NET=m CONFIG_WAN=y -CONFIG_LANMEDIA=m CONFIG_HDLC=m CONFIG_HDLC_RAW=m CONFIG_HDLC_RAW_ETH=m diff --git a/drivers/net/wan/Kconfig b/drivers/net/wan/Kconfig index 140780ac1745..588b2333cdb8 100644 --- a/drivers/net/wan/Kconfig +++ b/drivers/net/wan/Kconfig @@ -57,34 +57,6 @@ config COSA The driver will be compiled as a module: the module will be called cosa. -# -# Lan Media's board. Currently 1000, 1200, 5200, 5245 -# -config LANMEDIA - tristate "LanMedia Corp. SSI/V.35, T1/E1, HSSI, T3 boards" - depends on PCI && VIRT_TO_BUS && HDLC - help - Driver for the following Lan Media family of serial boards: - - - LMC 1000 board allows you to connect synchronous serial devices - (for example base-band modems, or any other device with the X.21, - V.24, V.35 or V.36 interface) to your Linux box. - - - LMC 1200 with on board DSU board allows you to connect your Linux - box directly to a T1 or E1 circuit. - - - LMC 5200 board provides a HSSI interface capable of running up to - 52 Mbits per second. - - - LMC 5245 board connects directly to a T3 circuit saving the - additional external hardware. - - To change setting such as clock source you will need lmcctl. - It is available at <ftp://ftp.lanmedia.com/> (broken link). - - To compile this driver as a module, choose M here: the - module will be called lmc. - # There is no way to detect a Sealevel board. Force it modular config SEALEVEL_4021 tristate "Sealevel Systems 4021 support" diff --git a/drivers/net/wan/Makefile b/drivers/net/wan/Makefile index 480bcd1f6c1c..1cd42147b34f 100644 --- a/drivers/net/wan/Makefile +++ b/drivers/net/wan/Makefile @@ -19,8 +19,6 @@ obj-$(CONFIG_SEALEVEL_4021) += z85230.o sealevel.o obj-$(CONFIG_COSA) += cosa.o obj-$(CONFIG_FARSYNC) += farsync.o -obj-$(CONFIG_LANMEDIA) += lmc/ - obj-$(CONFIG_LAPBETHER) += lapbether.o obj-$(CONFIG_N2) += n2.o obj-$(CONFIG_C101) += c101.o diff --git a/drivers/net/wan/lmc/Makefile b/drivers/net/wan/lmc/Makefile deleted file mode 100644 index f00fe4491d69..000000000000 --- a/drivers/net/wan/lmc/Makefile +++ /dev/null @@ -1,18 +0,0 @@ -# SPDX-License-Identifier: GPL-2.0-only -# -# Makefile for the Lan Media 21140 based WAN cards -# Specifically the 1000,1200,5200,5245 -# - -obj-$(CONFIG_LANMEDIA) += lmc.o - -lmc-objs := lmc_debug.o lmc_media.o lmc_main.o lmc_proto.o - -# Like above except every packet gets echoed to KERN_DEBUG -# in hex -# -# DBDEF = \ -# -DDEBUG \ -# -DLMC_PACKET_LOG - -ccflags-y := $(DBGDEF) diff --git a/drivers/net/wan/lmc/lmc.h b/drivers/net/wan/lmc/lmc.h deleted file mode 100644 index d7d59b4595f9..000000000000 --- a/drivers/net/wan/lmc/lmc.h +++ /dev/null @@ -1,33 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ -#ifndef _LMC_H_ -#define _LMC_H_ - -#include "lmc_var.h" - -/* - * prototypes for everyone - */ -int lmc_probe(struct net_device * dev); -unsigned lmc_mii_readreg(lmc_softc_t * const sc, unsigned - devaddr, unsigned regno); -void lmc_mii_writereg(lmc_softc_t * const sc, unsigned devaddr, - unsigned regno, unsigned data); -void lmc_led_on(lmc_softc_t * const, u32); -void lmc_led_off(lmc_softc_t * const, u32); -unsigned lmc_mii_readreg(lmc_softc_t * const, unsigned, unsigned); -void lmc_mii_writereg(lmc_softc_t * const, unsigned, unsigned, unsigned); -void lmc_gpio_mkinput(lmc_softc_t * const sc, u32 bits); -void lmc_gpio_mkoutput(lmc_softc_t * const sc, u32 bits); - -int lmc_ioctl(struct net_device *dev, struct if_settings *ifs); - -extern lmc_media_t lmc_ds3_media; -extern lmc_media_t lmc_ssi_media; -extern lmc_media_t lmc_t1_media; -extern lmc_media_t lmc_hssi_media; - -#ifdef _DBG_EVENTLOG -static void lmcEventLog(u32 EventNum, u32 arg2, u32 arg3); -#endif - -#endif diff --git a/drivers/net/wan/lmc/lmc_debug.c b/drivers/net/wan/lmc/lmc_debug.c deleted file mode 100644 index 2b6051bda3fb..000000000000 --- a/drivers/net/wan/lmc/lmc_debug.c +++ /dev/null @@ -1,65 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0 -#include <linux/types.h> -#include <linux/netdevice.h> -#include <linux/interrupt.h> - -#include "lmc_debug.h" - -/* - * Prints out len, max to 80 octets using printk, 20 per line - */ -#ifdef DEBUG -#ifdef LMC_PACKET_LOG -void lmcConsoleLog(char *type, unsigned char *ucData, int iLen) -{ - int iNewLine = 1; - char str[80], *pstr; - - sprintf(str, KERN_DEBUG "lmc: %s: ", type); - pstr = str+strlen(str); - - if(iLen > 240){ - printk(KERN_DEBUG "lmc: Printing 240 chars... out of: %d\n", iLen); - iLen = 240; - } - else{ - printk(KERN_DEBUG "lmc: Printing %d chars\n", iLen); - } - - while(iLen > 0) - { - sprintf(pstr, "%02x ", *ucData); - pstr+=3; - ucData++; - if( !(iNewLine % 20)) - { - sprintf(pstr, "\n"); - printk(str); - sprintf(str, KERN_DEBUG "lmc: %s: ", type); - pstr=str+strlen(str); - } - iNewLine++; - iLen--; - } - sprintf(pstr, "\n"); - printk(str); -} -#endif -#endif - -#ifdef DEBUG -u32 lmcEventLogIndex; -u32 lmcEventLogBuf[LMC_EVENTLOGSIZE * LMC_EVENTLOGARGS]; - -void lmcEventLog(u32 EventNum, u32 arg2, u32 arg3) -{ - lmcEventLogBuf[lmcEventLogIndex++] = EventNum; - lmcEventLogBuf[lmcEventLogIndex++] = arg2; - lmcEventLogBuf[lmcEventLogIndex++] = arg3; - lmcEventLogBuf[lmcEventLogIndex++] = jiffies; - - lmcEventLogIndex &= (LMC_EVENTLOGSIZE * LMC_EVENTLOGARGS) - 1; -} -#endif /* DEBUG */ - -/* --------------------------- end if_lmc_linux.c ------------------------ */ diff --git a/drivers/net/wan/lmc/lmc_debug.h b/drivers/net/wan/lmc/lmc_debug.h deleted file mode 100644 index cfae9eddf003..000000000000 --- a/drivers/net/wan/lmc/lmc_debug.h +++ /dev/null @@ -1,52 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ -#ifndef _LMC_DEBUG_H_ -#define _LMC_DEBUG_H_ - -#ifdef DEBUG -#ifdef LMC_PACKET_LOG -#define LMC_CONSOLE_LOG(x,y,z) lmcConsoleLog((x), (y), (z)) -#else -#define LMC_CONSOLE_LOG(x,y,z) -#endif -#else -#define LMC_CONSOLE_LOG(x,y,z) -#endif - - - -/* Debug --- Event log definitions --- */ -/* EVENTLOGSIZE*EVENTLOGARGS needs to be a power of 2 */ -#define LMC_EVENTLOGSIZE 1024 /* number of events in eventlog */ -#define LMC_EVENTLOGARGS 4 /* number of args for each event */ - -/* event indicators */ -#define LMC_EVENT_XMT 1 -#define LMC_EVENT_XMTEND 2 -#define LMC_EVENT_XMTINT 3 -#define LMC_EVENT_RCVINT 4 -#define LMC_EVENT_RCVEND 5 -#define LMC_EVENT_INT 6 -#define LMC_EVENT_XMTINTTMO 7 -#define LMC_EVENT_XMTPRCTMO 8 -#define LMC_EVENT_INTEND 9 -#define LMC_EVENT_RESET1 10 -#define LMC_EVENT_RESET2 11 -#define LMC_EVENT_FORCEDRESET 12 -#define LMC_EVENT_WATCHDOG 13 -#define LMC_EVENT_BADPKTSURGE 14 -#define LMC_EVENT_TBUSY0 15 -#define LMC_EVENT_TBUSY1 16 - - -#ifdef DEBUG -extern u32 lmcEventLogIndex; -extern u32 lmcEventLogBuf[LMC_EVENTLOGSIZE * LMC_EVENTLOGARGS]; -#define LMC_EVENT_LOG(x, y, z) lmcEventLog((x), (y), (z)) -#else -#define LMC_EVENT_LOG(x,y,z) -#endif /* end ifdef _DBG_EVENTLOG */ - -void lmcConsoleLog(char *type, unsigned char *ucData, int iLen); -void lmcEventLog(u32 EventNum, u32 arg2, u32 arg3); - -#endif diff --git a/drivers/net/wan/lmc/lmc_ioctl.h b/drivers/net/wan/lmc/lmc_ioctl.h deleted file mode 100644 index 8c65e2176e94..000000000000 --- a/drivers/net/wan/lmc/lmc_ioctl.h +++ /dev/null @@ -1,255 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0-only */ -#ifndef _LMC_IOCTL_H_ -#define _LMC_IOCTL_H_ -/* $Id: lmc_ioctl.h,v 1.15 2000/04/06 12:16:43 asj Exp $ */ - - /* - * Copyright (c) 1997-2000 LAN Media Corporation (LMC) - * All rights reserved. www.lanmedia.com - * - * This code is written by: - * Andrew Stanley-Jones (asj@cban.com) - * Rob Braun (bbraun@vix.com), - * Michael Graff (explorer@vix.com) and - * Matt Thomas (matt@3am-software.com). - */ - -#define LMCIOCGINFO SIOCDEVPRIVATE+3 /* get current state */ -#define LMCIOCSINFO SIOCDEVPRIVATE+4 /* set state to user values */ -#define LMCIOCGETLMCSTATS SIOCDEVPRIVATE+5 -#define LMCIOCCLEARLMCSTATS SIOCDEVPRIVATE+6 -#define LMCIOCDUMPEVENTLOG SIOCDEVPRIVATE+7 -#define LMCIOCGETXINFO SIOCDEVPRIVATE+8 -#define LMCIOCSETCIRCUIT SIOCDEVPRIVATE+9 -#define LMCIOCUNUSEDATM SIOCDEVPRIVATE+10 -#define LMCIOCRESET SIOCDEVPRIVATE+11 -#define LMCIOCT1CONTROL SIOCDEVPRIVATE+12 -#define LMCIOCIFTYPE SIOCDEVPRIVATE+13 -#define LMCIOCXILINX SIOCDEVPRIVATE+14 - -#define LMC_CARDTYPE_UNKNOWN -1 -#define LMC_CARDTYPE_HSSI 1 /* probed card is a HSSI card */ -#define LMC_CARDTYPE_DS3 2 /* probed card is a DS3 card */ -#define LMC_CARDTYPE_SSI 3 /* probed card is a SSI card */ -#define LMC_CARDTYPE_T1 4 /* probed card is a T1 card */ - -#define LMC_CTL_CARDTYPE_LMC5200 0 /* HSSI */ -#define LMC_CTL_CARDTYPE_LMC5245 1 /* DS3 */ -#define LMC_CTL_CARDTYPE_LMC1000 2 /* SSI, V.35 */ -#define LMC_CTL_CARDTYPE_LMC1200 3 /* DS1 */ - -#define LMC_CTL_OFF 0 /* generic OFF value */ -#define LMC_CTL_ON 1 /* generic ON value */ - -#define LMC_CTL_CLOCK_SOURCE_EXT 0 /* clock off line */ -#define LMC_CTL_CLOCK_SOURCE_INT 1 /* internal clock */ - -#define LMC_CTL_CRC_LENGTH_16 16 -#define LMC_CTL_CRC_LENGTH_32 32 -#define LMC_CTL_CRC_BYTESIZE_2 2 -#define LMC_CTL_CRC_BYTESIZE_4 4 - - -#define LMC_CTL_CABLE_LENGTH_LT_100FT 0 /* DS3 cable < 100 feet */ -#define LMC_CTL_CABLE_LENGTH_GT_100FT 1 /* DS3 cable >= 100 feet */ - -#define LMC_CTL_CIRCUIT_TYPE_E1 0 -#define LMC_CTL_CIRCUIT_TYPE_T1 1 - -/* - * IFTYPE defines - */ -#define LMC_PPP 1 /* use generic HDLC interface */ -#define LMC_NET 2 /* use direct net interface */ -#define LMC_RAW 3 /* use direct net interface */ - -/* - * These are not in the least IOCTL related, but I want them common. - */ -/* - * assignments for the GPIO register on the DEC chip (common) - */ -#define LMC_GEP_INIT 0x01 /* 0: */ -#define LMC_GEP_RESET 0x02 /* 1: */ -#define LMC_GEP_MODE 0x10 /* 4: */ -#define LMC_GEP_DP 0x20 /* 5: */ -#define LMC_GEP_DATA 0x40 /* 6: serial out */ -#define LMC_GEP_CLK 0x80 /* 7: serial clock */ - -/* - * HSSI GPIO assignments - */ -#define LMC_GEP_HSSI_ST 0x04 /* 2: receive timing sense (deprecated) */ -#define LMC_GEP_HSSI_CLOCK 0x08 /* 3: clock source */ - -/* - * T1 GPIO assignments - */ -#define LMC_GEP_SSI_GENERATOR 0x04 /* 2: enable prog freq gen serial i/f */ -#define LMC_GEP_SSI_TXCLOCK 0x08 /* 3: provide clock on TXCLOCK output */ - -/* - * Common MII16 bits - */ -#define LMC_MII16_LED0 0x0080 -#define LMC_MII16_LED1 0x0100 -#define LMC_MII16_LED2 0x0200 -#define LMC_MII16_LED3 0x0400 /* Error, and the red one */ -#define LMC_MII16_LED_ALL 0x0780 /* LED bit mask */ -#define LMC_MII16_FIFO_RESET 0x0800 - -/* - * definitions for HSSI - */ -#define LMC_MII16_HSSI_TA 0x0001 -#define LMC_MII16_HSSI_CA 0x0002 -#define LMC_MII16_HSSI_LA 0x0004 -#define LMC_MII16_HSSI_LB 0x0008 -#define LMC_MII16_HSSI_LC 0x0010 -#define LMC_MII16_HSSI_TM 0x0020 -#define LMC_MII16_HSSI_CRC 0x0040 - -/* - * assignments for the MII register 16 (DS3) - */ -#define LMC_MII16_DS3_ZERO 0x0001 -#define LMC_MII16_DS3_TRLBK 0x0002 -#define LMC_MII16_DS3_LNLBK 0x0004 -#define LMC_MII16_DS3_RAIS 0x0008 -#define LMC_MII16_DS3_TAIS 0x0010 -#define LMC_MII16_DS3_BIST 0x0020 -#define LMC_MII16_DS3_DLOS 0x0040 -#define LMC_MII16_DS3_CRC 0x1000 -#define LMC_MII16_DS3_SCRAM 0x2000 -#define LMC_MII16_DS3_SCRAM_LARS 0x4000 - -/* Note: 2 pairs of LEDs where swapped by mistake - * in Xilinx code for DS3 & DS1 adapters */ -#define LMC_DS3_LED0 0x0100 /* bit 08 yellow */ -#define LMC_DS3_LED1 0x0080 /* bit 07 blue */ -#define LMC_DS3_LED2 0x0400 /* bit 10 green */ -#define LMC_DS3_LED3 0x0200 /* bit 09 red */ - -/* - * framer register 0 and 7 (7 is latched and reset on read) - */ -#define LMC_FRAMER_REG0_DLOS 0x80 /* digital loss of service */ -#define LMC_FRAMER_REG0_OOFS 0x40 /* out of frame sync */ -#define LMC_FRAMER_REG0_AIS 0x20 /* alarm indication signal */ -#define LMC_FRAMER_REG0_CIS 0x10 /* channel idle */ -#define LMC_FRAMER_REG0_LOC 0x08 /* loss of clock */ - -/* - * Framer register 9 contains the blue alarm signal - */ -#define LMC_FRAMER_REG9_RBLUE 0x02 /* Blue alarm failure */ - -/* - * Framer register 0x10 contains xbit error - */ -#define LMC_FRAMER_REG10_XBIT 0x01 /* X bit error alarm failure */ - -/* - * And SSI, LMC1000 - */ -#define LMC_MII16_SSI_DTR 0x0001 /* DTR output RW */ -#define LMC_MII16_SSI_DSR 0x0002 /* DSR input RO */ -#define LMC_MII16_SSI_RTS 0x0004 /* RTS output RW */ -#define LMC_MII16_SSI_CTS 0x0008 /* CTS input RO */ -#define LMC_MII16_SSI_DCD 0x0010 /* DCD input RO */ -#define LMC_MII16_SSI_RI 0x0020 /* RI input RO */ -#define LMC_MII16_SSI_CRC 0x1000 /* CRC select - RW */ - -/* - * bits 0x0080 through 0x0800 are generic, and described - * above with LMC_MII16_LED[0123] _LED_ALL, and _FIFO_RESET - */ -#define LMC_MII16_SSI_LL 0x1000 /* LL output RW */ -#define LMC_MII16_SSI_RL 0x2000 /* RL output RW */ -#define LMC_MII16_SSI_TM 0x4000 /* TM input RO */ -#define LMC_MII16_SSI_LOOP 0x8000 /* loopback enable RW */ - -/* - * Some of the MII16 bits are mirrored in the MII17 register as well, - * but let's keep thing separate for now, and get only the cable from - * the MII17. - */ -#define LMC_MII17_SSI_CABLE_MASK 0x0038 /* mask to extract the cable type */ -#define LMC_MII17_SSI_CABLE_SHIFT 3 /* shift to extract the cable type */ - -/* - * And T1, LMC1200 - */ -#define LMC_MII16_T1_UNUSED1 0x0003 -#define LMC_MII16_T1_XOE 0x0004 -#define LMC_MII16_T1_RST 0x0008 /* T1 chip reset - RW */ -#define LMC_MII16_T1_Z 0x0010 /* output impedance T1=1, E1=0 output - RW */ -#define LMC_MII16_T1_INTR 0x0020 /* interrupt from 8370 - RO */ -#define LMC_MII16_T1_ONESEC 0x0040 /* one second square wave - ro */ - -#define LMC_MII16_T1_LED0 0x0100 -#define LMC_MII16_T1_LED1 0x0080 -#define LMC_MII16_T1_LED2 0x0400 -#define LMC_MII16_T1_LED3 0x0200 -#define LMC_MII16_T1_FIFO_RESET 0x0800 - -#define LMC_MII16_T1_CRC 0x1000 /* CRC select - RW */ -#define LMC_MII16_T1_UNUSED2 0xe000 - - -/* 8370 framer registers */ - -#define T1FRAMER_ALARM1_STATUS 0x47 -#define T1FRAMER_ALARM2_STATUS 0x48 -#define T1FRAMER_FERR_LSB 0x50 -#define T1FRAMER_FERR_MSB 0x51 /* framing bit error counter */ -#define T1FRAMER_LCV_LSB 0x54 -#define T1FRAMER_LCV_MSB 0x55 /* line code violation counter */ -#define T1FRAMER_AERR 0x5A - -/* mask for the above AERR register */ -#define T1FRAMER_LOF_MASK (0x0f0) /* receive loss of frame */ -#define T1FRAMER_COFA_MASK (0x0c0) /* change of frame alignment */ -#define T1FRAMER_SEF_MASK (0x03) /* severely errored frame */ - -/* 8370 framer register ALM1 (0x47) values - * used to determine link status - */ - -#define T1F_SIGFRZ 0x01 /* signaling freeze */ -#define T1F_RLOF 0x02 /* receive loss of frame alignment */ -#define T1F_RLOS 0x04 /* receive loss of signal */ -#define T1F_RALOS 0x08 /* receive analog loss of signal or RCKI loss of clock */ -#define T1F_RAIS 0x10 /* receive alarm indication signal */ -#define T1F_UNUSED 0x20 -#define T1F_RYEL 0x40 /* receive yellow alarm */ -#define T1F_RMYEL 0x80 /* receive multiframe yellow alarm */ - -#define LMC_T1F_WRITE 0 -#define LMC_T1F_READ 1 - -typedef struct lmc_st1f_control { - int command; - int address; - int value; - char __user *data; -} lmc_t1f_control; - -enum lmc_xilinx_c { - lmc_xilinx_reset = 1, - lmc_xilinx_load_prom = 2, - lmc_xilinx_load = 3 -}; - -struct lmc_xilinx_control { - enum lmc_xilinx_c command; - int len; - char __user *data; -}; - -/* ------------------ end T1 defs ------------------- */ - -#define LMC_MII_LedMask 0x0780 -#define LMC_MII_LedBitPos 7 - -#endif diff --git a/drivers/net/wan/lmc/lmc_main.c b/drivers/net/wan/lmc/lmc_main.c deleted file mode 100644 index 76c6b4f89890..000000000000 --- a/drivers/net/wan/lmc/lmc_main.c +++ /dev/null @@ -1,2009 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-only - /* - * Copyright (c) 1997-2000 LAN Media Corporation (LMC) - * All rights reserved. www.lanmedia.com - * Generic HDLC port Copyright (C) 2008 Krzysztof Halasa <khc@pm.waw.pl> - * - * This code is written by: - * Andrew Stanley-Jones (asj@cban.com) - * Rob Braun (bbraun@vix.com), - * Michael Graff (explorer@vix.com) and - * Matt Thomas (matt@3am-software.com). - * - * With Help By: - * David Boggs - * Ron Crane - * Alan Cox - * - * Driver for the LanMedia LMC5200, LMC5245, LMC1000, LMC1200 cards. - * - * To control link specific options lmcctl is required. - * It can be obtained from ftp.lanmedia.com. - * - * Linux driver notes: - * Linux uses the device struct lmc_private to pass private information - * around. - * - * The initialization portion of this driver (the lmc_reset() and the - * lmc_dec_reset() functions, as well as the led controls and the - * lmc_initcsrs() functions. - * - * The watchdog function runs every second and checks to see if - * we still have link, and that the timing source is what we expected - * it to be. If link is lost, the interface is marked down, and - * we no longer can transmit. - */ - -#include <linux/kernel.h> -#include <linux/module.h> -#include <linux/string.h> -#include <linux/timer.h> -#include <linux/ptrace.h> -#include <linux/errno.h> -#include <linux/ioport.h> -#include <linux/slab.h> -#include <linux/interrupt.h> -#include <linux/pci.h> -#include <linux/delay.h> -#include <linux/hdlc.h> -#include <linux/in.h> -#include <linux/if_arp.h> -#include <linux/netdevice.h> -#include <linux/etherdevice.h> -#include <linux/skbuff.h> -#include <linux/inet.h> -#include <linux/bitops.h> -#include <asm/processor.h> /* Processor type for cache alignment. */ -#include <asm/io.h> -#include <asm/dma.h> -#include <linux/uaccess.h> -#include <linux/jiffies.h> -//#include <asm/spinlock.h> - -#define DRIVER_MAJOR_VERSION 1 -#define DRIVER_MINOR_VERSION 34 -#define DRIVER_SUB_VERSION 0 - -#define DRIVER_VERSION ((DRIVER_MAJOR_VERSION << 8) + DRIVER_MINOR_VERSION) - -#include "lmc.h" -#include "lmc_var.h" -#include "lmc_ioctl.h" -#include "lmc_debug.h" -#include "lmc_proto.h" - -static int LMC_PKT_BUF_SZ = 1542; - -static const struct pci_device_id lmc_pci_tbl[] = { - { PCI_VENDOR_ID_DEC, PCI_DEVICE_ID_DEC_TULIP_FAST, - PCI_VENDOR_ID_LMC, PCI_ANY_ID }, - { PCI_VENDOR_ID_DEC, PCI_DEVICE_ID_DEC_TULIP_FAST, - PCI_ANY_ID, PCI_VENDOR_ID_LMC }, - { 0 } -}; - -MODULE_DEVICE_TABLE(pci, lmc_pci_tbl); -MODULE_LICENSE("GPL v2"); - - -static netdev_tx_t lmc_start_xmit(struct sk_buff *skb, - struct net_device *dev); -static int lmc_rx (struct net_device *dev); -static int lmc_open(struct net_device *dev); -static int lmc_close(struct net_device *dev); -static struct net_device_stats *lmc_get_stats(struct net_device *dev); -static irqreturn_t lmc_interrupt(int irq, void *dev_instance); -static void lmc_initcsrs(lmc_softc_t * const sc, lmc_csrptr_t csr_base, size_t csr_size); -static void lmc_softreset(lmc_softc_t * const); -static void lmc_running_reset(struct net_device *dev); -static int lmc_ifdown(struct net_device * const); -static void lmc_watchdog(struct timer_list *t); -static void lmc_reset(lmc_softc_t * const sc); -static void lmc_dec_reset(lmc_softc_t * const sc); -static void lmc_driver_timeout(struct net_device *dev, unsigned int txqueue); - -/* - * linux reserves 16 device specific IOCTLs. We call them - * LMCIOC* to control various bits of our world. - */ -static int lmc_siocdevprivate(struct net_device *dev, struct ifreq *ifr, - void __user *data, int cmd) /*fold00*/ -{ - lmc_softc_t *sc = dev_to_sc(dev); - lmc_ctl_t ctl; - int ret = -EOPNOTSUPP; - u16 regVal; - unsigned long flags; - - /* - * Most functions mess with the structure - * Disable interrupts while we do the polling - */ - - switch (cmd) { - /* - * Return current driver state. Since we keep this up - * To date internally, just copy this out to the user. - */ - case LMCIOCGINFO: /*fold01*/ - if (copy_to_user(data, &sc->ictl, sizeof(lmc_ctl_t))) - ret = -EFAULT; - else - ret = 0; - break; - - case LMCIOCSINFO: /*fold01*/ - if (!capable(CAP_NET_ADMIN)) { - ret = -EPERM; - break; - } - - if(dev->flags & IFF_UP){ - ret = -EBUSY; - break; - } - - if (copy_from_user(&ctl, data, sizeof(lmc_ctl_t))) { - ret = -EFAULT; - break; - } - - spin_lock_irqsave(&sc->lmc_lock, flags); - sc->lmc_media->set_status (sc, &ctl); - - if(ctl.crc_length != sc->ictl.crc_length) { - sc->lmc_media->set_crc_length(sc, ctl.crc_length); - if (sc->ictl.crc_length == LMC_CTL_CRC_LENGTH_16) - sc->TxDescriptControlInit |= LMC_TDES_ADD_CRC_DISABLE; - else - sc->TxDescriptControlInit &= ~LMC_TDES_ADD_CRC_DISABLE; - } - spin_unlock_irqrestore(&sc->lmc_lock, flags); - - ret = 0; - break; - - case LMCIOCIFTYPE: /*fold01*/ - { - u16 old_type = sc->if_type; - u16 new_type; - - if (!capable(CAP_NET_ADMIN)) { - ret = -EPERM; - break; - } - - if (copy_from_user(&new_type, data, sizeof(u16))) { - ret = -EFAULT; - break; - } - - - if (new_type == old_type) - { - ret = 0 ; - break; /* no change */ - } - - spin_lock_irqsave(&sc->lmc_lock, flags); - lmc_proto_close(sc); - - sc->if_type = new_type; - lmc_proto_attach(sc); - ret = lmc_proto_open(sc); - spin_unlock_irqrestore(&sc->lmc_lock, flags); - break; - } - - case LMCIOCGETXINFO: /*fold01*/ - spin_lock_irqsave(&sc->lmc_lock, flags); - sc->lmc_xinfo.Magic0 = 0xBEEFCAFE; - - sc->lmc_xinfo.PciCardType = sc->lmc_cardtype; - sc->lmc_xinfo.PciSlotNumber = 0; - sc->lmc_xinfo.DriverMajorVersion = DRIVER_MAJOR_VERSION; - sc->lmc_xinfo.DriverMinorVersion = DRIVER_MINOR_VERSION; - sc->lmc_xinfo.DriverSubVersion = DRIVER_SUB_VERSION; - sc->lmc_xinfo.XilinxRevisionNumber = - lmc_mii_readreg (sc, 0, 3) & 0xf; - sc->lmc_xinfo.MaxFrameSize = LMC_PKT_BUF_SZ; - sc->lmc_xinfo.link_status = sc->lmc_media->get_link_status (sc); - sc->lmc_xinfo.mii_reg16 = lmc_mii_readreg (sc, 0, 16); - spin_unlock_irqrestore(&sc->lmc_lock, flags); - - sc->lmc_xinfo.Magic1 = 0xDEADBEEF; - - if (copy_to_user(data, &sc->lmc_xinfo, sizeof(struct lmc_xinfo))) - ret = -EFAULT; - else - ret = 0; - - break; - - case LMCIOCGETLMCSTATS: - spin_lock_irqsave(&sc->lmc_lock, flags); - if (sc->lmc_cardtype == LMC_CARDTYPE_T1) { - lmc_mii_writereg(sc, 0, 17, T1FRAMER_FERR_LSB); - sc->extra_stats.framingBitErrorCount += - lmc_mii_readreg(sc, 0, 18) & 0xff; - lmc_mii_writereg(sc, 0, 17, T1FRAMER_FERR_MSB); - sc->extra_stats.framingBitErrorCount += - (lmc_mii_readreg(sc, 0, 18) & 0xff) << 8; - lmc_mii_writereg(sc, 0, 17, T1FRAMER_LCV_LSB); - sc->extra_stats.lineCodeViolationCount += - lmc_mii_readreg(sc, 0, 18) & 0xff; - lmc_mii_writereg(sc, 0, 17, T1FRAMER_LCV_MSB); - sc->extra_stats.lineCodeViolationCount += - (lmc_mii_readreg(sc, 0, 18) & 0xff) << 8; - lmc_mii_writereg(sc, 0, 17, T1FRAMER_AERR); - regVal = lmc_mii_readreg(sc, 0, 18) & 0xff; - - sc->extra_stats.lossOfFrameCount += - (regVal & T1FRAMER_LOF_MASK) >> 4; - sc->extra_stats.changeOfFrameAlignmentCount += - (regVal & T1FRAMER_COFA_MASK) >> 2; - sc->extra_stats.severelyErroredFrameCount += - regVal & T1FRAMER_SEF_MASK; - } - spin_unlock_irqrestore(&sc->lmc_lock, flags); - if (copy_to_user(data, &sc->lmc_device->stats, - sizeof(sc->lmc_device->stats)) || - copy_to_user(data + sizeof(sc->lmc_device->stats), - &sc->extra_stats, sizeof(sc->extra_stats))) - ret = -EFAULT; - else - ret = 0; - break; - - case LMCIOCCLEARLMCSTATS: - if (!capable(CAP_NET_ADMIN)) { - ret = -EPERM; - break; - } - - spin_lock_irqsave(&sc->lmc_lock, flags); - memset(&sc->lmc_device->stats, 0, sizeof(sc->lmc_device->stats)); - memset(&sc->extra_stats, 0, sizeof(sc->extra_stats)); - sc->extra_stats.check = STATCHECK; - sc->extra_stats.version_size = (DRIVER_VERSION << 16) + - sizeof(sc->lmc_device->stats) + sizeof(sc->extra_stats); - sc->extra_stats.lmc_cardtype = sc->lmc_cardtype; - spin_unlock_irqrestore(&sc->lmc_lock, flags); - ret = 0; - break; - - case LMCIOCSETCIRCUIT: /*fold01*/ - if (!capable(CAP_NET_ADMIN)){ - ret = -EPERM; - break; - } - - if(dev->flags & IFF_UP){ - ret = -EBUSY; - break; - } - - if (copy_from_user(&ctl, data, sizeof(lmc_ctl_t))) { - ret = -EFAULT; - break; - } - spin_lock_irqsave(&sc->lmc_lock, flags); - sc->lmc_media->set_circuit_type(sc, ctl.circuit_type); - sc->ictl.circuit_type = ctl.circuit_type; - spin_unlock_irqrestore(&sc->lmc_lock, flags); - ret = 0; - - break; - - case LMCIOCRESET: /*fold01*/ - if (!capable(CAP_NET_ADMIN)){ - ret = -EPERM; - break; - } - - spin_lock_irqsave(&sc->lmc_lock, flags); - /* Reset driver and bring back to current state */ - printk (" REG16 before reset +%04x\n", lmc_mii_readreg (sc, 0, 16)); - lmc_running_reset (dev); - printk (" REG16 after reset +%04x\n", lmc_mii_readreg (sc, 0, 16)); - - LMC_EVENT_LOG(LMC_EVENT_FORCEDRESET, LMC_CSR_READ (sc, csr_status), lmc_mii_readreg (sc, 0, 16)); - spin_unlock_irqrestore(&sc->lmc_lock, flags); - - ret = 0; - break; - -#ifdef DEBUG - case LMCIOCDUMPEVENTLOG: - if (copy_to_user(data, &lmcEventLogIndex, sizeof(u32))) { - ret = -EFAULT; - break; - } - if (copy_to_user(data + sizeof(u32), lmcEventLogBuf, - sizeof(lmcEventLogBuf))) - ret = -EFAULT; - else - ret = 0; - - break; -#endif /* end ifdef _DBG_EVENTLOG */ - case LMCIOCT1CONTROL: /*fold01*/ - if (sc->lmc_cardtype != LMC_CARDTYPE_T1){ - ret = -EOPNOTSUPP; - break; - } - break; - case LMCIOCXILINX: /*fold01*/ - { - struct lmc_xilinx_control xc; /*fold02*/ - - if (!capable(CAP_NET_ADMIN)){ - ret = -EPERM; - break; - } - - /* - * Stop the xwitter whlie we restart the hardware - */ - netif_stop_queue(dev); - - if (copy_from_user(&xc, data, sizeof(struct lmc_xilinx_control))) { - ret = -EFAULT; - break; - } - switch(xc.command){ - case lmc_xilinx_reset: /*fold02*/ - { - spin_lock_irqsave(&sc->lmc_lock, flags); - lmc_mii_readreg (sc, 0, 16); - - /* - * Make all of them 0 and make input - */ - lmc_gpio_mkinput(sc, 0xff); - - /* - * make the reset output - */ - lmc_gpio_mkoutput(sc, LMC_GEP_RESET); - - /* - * RESET low to force configuration. This also forces - * the transmitter clock to be internal, but we expect to reset - * that later anyway. - */ - - sc->lmc_gpio &= ~LMC_GEP_RESET; - LMC_CSR_WRITE(sc, csr_gp, sc->lmc_gpio); - - - /* - * hold for more than 10 microseconds - */ - udelay(50); - - sc->lmc_gpio |= LMC_GEP_RESET; - LMC_CSR_WRITE(sc, csr_gp, sc->lmc_gpio); - - - /* - * stop driving Xilinx-related signals - */ - lmc_gpio_mkinput(sc, 0xff); - - /* Reset the frammer hardware */ - sc->lmc_media->set_link_status (sc, 1); - sc->lmc_media->set_status (sc, NULL); -// lmc_softreset(sc); - - { - int i; - for(i = 0; i < 5; i++){ - lmc_led_on(sc, LMC_DS3_LED0); - mdelay(100); - lmc_led_off(sc, LMC_DS3_LED0); - lmc_led_on(sc, LMC_DS3_LED1); - mdelay(100); - lmc_led_off(sc, LMC_DS3_LED1); - lmc_led_on(sc, LMC_DS3_LED3); - mdelay(100); - lmc_led_off(sc, LMC_DS3_LED3); - lmc_led_on(sc, LMC_DS3_LED2); - mdelay(100); - lmc_led_off(sc, LMC_DS3_LED2); - } - } - spin_unlock_irqrestore(&sc->lmc_lock, flags); - - - - ret = 0x0; - - } - - break; - case lmc_xilinx_load_prom: /*fold02*/ - { - int timeout = 500000; - spin_lock_irqsave(&sc->lmc_lock, flags); - lmc_mii_readreg (sc, 0, 16); - - /* - * Make all of them 0 and make input - */ - lmc_gpio_mkinput(sc, 0xff); - - /* - * make the reset output - */ - lmc_gpio_mkoutput(sc, LMC_GEP_DP | LMC_GEP_RESET); - - /* - * RESET low to force configuration. This also forces - * the transmitter clock to be internal, but we expect to reset - * that later anyway. - */ - - sc->lmc_gpio &= ~(LMC_GEP_RESET | LMC_GEP_DP); - LMC_CSR_WRITE(sc, csr_gp, sc->lmc_gpio); - - - /* - * hold for more than 10 microseconds - */ - udelay(50); - - sc->lmc_gpio |= LMC_GEP_DP | LMC_GEP_RESET; - LMC_CSR_WRITE(sc, csr_gp, sc->lmc_gpio); - - /* - * busy wait for the chip to reset - */ - while( (LMC_CSR_READ(sc, csr_gp) & LMC_GEP_INIT) == 0 && - (timeout-- > 0)) - cpu_relax(); - - - /* - * stop driving Xilinx-related signals - */ - lmc_gpio_mkinput(sc, 0xff); - spin_unlock_irqrestore(&sc->lmc_lock, flags); - - ret = 0x0; - - - break; - - } - - case lmc_xilinx_load: /*fold02*/ - { - char *data; - int pos; - int timeout = 500000; - - if (!xc.data) { - ret = -EINVAL; - break; - } - - data = memdup_user(xc.data, xc.len); - if (IS_ERR(data)) { - ret = PTR_ERR(data); - break; - } - - printk("%s: Starting load of data Len: %d at 0x%p == 0x%p\n", dev->name, xc.len, xc.data, data); - - spin_lock_irqsave(&sc->lmc_lock, flags); - lmc_gpio_mkinput(sc, 0xff); - - /* - * Clear the Xilinx and start prgramming from the DEC - */ - - /* - * Set ouput as: - * Reset: 0 (active) - * DP: 0 (active) - * Mode: 1 - * - */ - sc->lmc_gpio = 0x00; - sc->lmc_gpio &= ~LMC_GEP_DP; - sc->lmc_gpio &= ~LMC_GEP_RESET; - sc->lmc_gpio |= LMC_GEP_MODE; - LMC_CSR_WRITE(sc, csr_gp, sc->lmc_gpio); - - lmc_gpio_mkoutput(sc, LMC_GEP_MODE | LMC_GEP_DP | LMC_GEP_RESET); - - /* - * Wait at least 10 us 20 to be safe - */ - udelay(50); - - /* - * Clear reset and activate programming lines - * Reset: Input - * DP: Input - * Clock: Output - * Data: Output - * Mode: Output - */ - lmc_gpio_mkinput(sc, LMC_GEP_DP | LMC_GEP_RESET); - - /* - * Set LOAD, DATA, Clock to 1 - */ - sc->lmc_gpio = 0x00; - sc->lmc_gpio |= LMC_GEP_MODE; - sc->lmc_gpio |= LMC_GEP_DATA; - sc->lmc_gpio |= LMC_GEP_CLK; - LMC_CSR_WRITE(sc, csr_gp, sc->lmc_gpio); - - lmc_gpio_mkoutput(sc, LMC_GEP_DATA | LMC_GEP_CLK | LMC_GEP_MODE ); - - /* - * busy wait for the chip to reset - */ - while( (LMC_CSR_READ(sc, csr_gp) & LMC_GEP_INIT) == 0 && - (timeout-- > 0)) - cpu_relax(); - - printk(KERN_DEBUG "%s: Waited %d for the Xilinx to clear its memory\n", dev->name, 500000-timeout); - - for(pos = 0; pos < xc.len; pos++){ - switch(data[pos]){ - case 0: - sc->lmc_gpio &= ~LMC_GEP_DATA; /* Data is 0 */ - break; - case 1: - sc->lmc_gpio |= LMC_GEP_DATA; /* Data is 1 */ - break; - default: - printk(KERN_WARNING "%s Bad data in xilinx programming data at %d, got %d wanted 0 or 1\n", dev->name, pos, data[pos]); - sc->lmc_gpio |= LMC_GEP_DATA; /* Assume it's 1 */ - } - sc->lmc_gpio &= ~LMC_GEP_CLK; /* Clock to zero */ - sc->lmc_gpio |= LMC_GEP_MODE; - LMC_CSR_WRITE(sc, csr_gp, sc->lmc_gpio); - udelay(1); - - sc->lmc_gpio |= LMC_GEP_CLK; /* Put the clack back to one */ - sc->lmc_gpio |= LMC_GEP_MODE; - LMC_CSR_WRITE(sc, csr_gp, sc->lmc_gpio); - udelay(1); - } - if((LMC_CSR_READ(sc, csr_gp) & LMC_GEP_INIT) == 0){ - printk(KERN_WARNING "%s: Reprogramming FAILED. Needs to be reprogrammed. (corrupted data)\n", dev->name); - } - else if((LMC_CSR_READ(sc, csr_gp) & LMC_GEP_DP) == 0){ - printk(KERN_WARNING "%s: Reprogramming FAILED. Needs to be reprogrammed. (done)\n", dev->name); - } - else { - printk(KERN_DEBUG "%s: Done reprogramming Xilinx, %d bits, good luck!\n", dev->name, pos); - } - - lmc_gpio_mkinput(sc, 0xff); - - sc->lmc_miireg16 |= LMC_MII16_FIFO_RESET; - lmc_mii_writereg(sc, 0, 16, sc->lmc_miireg16); - - sc->lmc_miireg16 &= ~LMC_MII16_FIFO_RESET; - lmc_mii_writereg(sc, 0, 16, sc->lmc_miireg16); - spin_unlock_irqrestore(&sc->lmc_lock, flags); - - kfree(data); - - ret = 0; - - break; - } - default: /*fold02*/ - ret = -EBADE; - break; - } - - netif_wake_queue(dev); - sc->lmc_txfull = 0; - - } - break; - default: - break; - } - - return ret; -} - - -/* the watchdog process that cruises around */ -static void lmc_watchdog(struct timer_list *t) /*fold00*/ -{ - lmc_softc_t *sc = from_timer(sc, t, timer); - struct net_device *dev = sc->lmc_device; - int link_status; - u32 ticks; - unsigned long flags; - - spin_lock_irqsave(&sc->lmc_lock, flags); - - if(sc->check != 0xBEAFCAFE){ - printk("LMC: Corrupt net_device struct, breaking out\n"); - spin_unlock_irqrestore(&sc->lmc_lock, flags); - return; - } - - - /* Make sure the tx jabber and rx watchdog are off, - * and the transmit and receive processes are running. - */ - - LMC_CSR_WRITE (sc, csr_15, 0x00000011); - sc->lmc_cmdmode |= TULIP_CMD_TXRUN | TULIP_CMD_RXRUN; - LMC_CSR_WRITE (sc, csr_command, sc->lmc_cmdmode); - - if (sc->lmc_ok == 0) - goto kick_timer; - - LMC_EVENT_LOG(LMC_EVENT_WATCHDOG, LMC_CSR_READ (sc, csr_status), lmc_mii_readreg (sc, 0, 16)); - - /* --- begin time out check ----------------------------------- - * check for a transmit interrupt timeout - * Has the packet xmt vs xmt serviced threshold been exceeded */ - if (sc->lmc_taint_tx == sc->lastlmc_taint_tx && - sc->lmc_device->stats.tx_packets > sc->lasttx_packets && - sc->tx_TimeoutInd == 0) - { - - /* wait for the watchdog to come around again */ - sc->tx_TimeoutInd = 1; - } - else if (sc->lmc_taint_tx == sc->lastlmc_taint_tx && - sc->lmc_device->stats.tx_packets > sc->lasttx_packets && - sc->tx_TimeoutInd) - { - - LMC_EVENT_LOG(LMC_EVENT_XMTINTTMO, LMC_CSR_READ (sc, csr_status), 0); - - sc->tx_TimeoutDisplay = 1; - sc->extra_stats.tx_TimeoutCnt++; - - /* DEC chip is stuck, hit it with a RESET!!!! */ - lmc_running_reset (dev); - - - /* look at receive & transmit process state to make sure they are running */ - LMC_EVENT_LOG(LMC_EVENT_RESET1, LMC_CSR_READ (sc, csr_status), 0); - - /* look at: DSR - 02 for Reg 16 - * CTS - 08 - * DCD - 10 - * RI - 20 - * for Reg 17 - */ - LMC_EVENT_LOG(LMC_EVENT_RESET2, lmc_mii_readreg (sc, 0, 16), lmc_mii_readreg (sc, 0, 17)); - - /* reset the transmit timeout detection flag */ - sc->tx_TimeoutInd = 0; - sc->lastlmc_taint_tx = sc->lmc_taint_tx; - sc->lasttx_packets = sc->lmc_device->stats.tx_packets; - } else { - sc->tx_TimeoutInd = 0; - sc->lastlmc_taint_tx = sc->lmc_taint_tx; - sc->lasttx_packets = sc->lmc_device->stats.tx_packets; - } - - /* --- end time out check ----------------------------------- */ - - - link_status = sc->lmc_media->get_link_status (sc); - - /* - * hardware level link lost, but the interface is marked as up. - * Mark it as down. - */ - if ((link_status == 0) && (sc->last_link_status != 0)) { - printk(KERN_WARNING "%s: hardware/physical link down\n", dev->name); - sc->last_link_status = 0; - /* lmc_reset (sc); Why reset??? The link can go down ok */ - - /* Inform the world that link has been lost */ - netif_carrier_off(dev); - } - - /* - * hardware link is up, but the interface is marked as down. - * Bring it back up again. - */ - if (link_status != 0 && sc->last_link_status == 0) { - printk(KERN_WARNING "%s: hardware/physical link up\n", dev->name); - sc->last_link_status = 1; - /* lmc_reset (sc); Again why reset??? */ - - netif_carrier_on(dev); - } - - /* Call media specific watchdog functions */ - sc->lmc_media->watchdog(sc); - - /* - * Poke the transmitter to make sure it - * never stops, even if we run out of mem - */ - LMC_CSR_WRITE(sc, csr_rxpoll, 0); - - /* - * Check for code that failed - * and try and fix it as appropriate - */ - if(sc->failed_ring == 1){ - /* - * Failed to setup the recv/xmit rin - * Try again - */ - sc->failed_ring = 0; - lmc_softreset(sc); - } - if(sc->failed_recv_alloc == 1){ - /* - * We failed to alloc mem in the - * interrupt handler, go through the rings - * and rebuild them - */ - sc->failed_recv_alloc = 0; - lmc_softreset(sc); - } - - - /* - * remember the timer value - */ -kick_timer: - - ticks = LMC_CSR_READ (sc, csr_gp_timer); - LMC_CSR_WRITE (sc, csr_gp_timer, 0xffffffffUL); - sc->ictl.ticks = 0x0000ffff - (ticks & 0x0000ffff); - - /* - * restart this timer. - */ - sc->timer.expires = jiffies + (HZ); - add_timer (&sc->timer); - - spin_unlock_irqrestore(&sc->lmc_lock, flags); -} - -static int lmc_attach(struct net_device *dev, unsigned short encoding, - unsigned short parity) -{ - if (encoding == ENCODING_NRZ && parity == PARITY_CRC16_PR1_CCITT) - return 0; - return -EINVAL; -} - -static const struct net_device_ops lmc_ops = { - .ndo_open = lmc_open, - .ndo_stop = lmc_close, - .ndo_start_xmit = hdlc_start_xmit, - .ndo_siocwandev = hdlc_ioctl, - .ndo_siocdevprivate = lmc_siocdevprivate, - .ndo_tx_timeout = lmc_driver_timeout, - .ndo_get_stats = lmc_get_stats, -}; - -static int lmc_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) -{ - lmc_softc_t *sc; - struct net_device *dev; - u16 subdevice; - u16 AdapModelNum; - int err; - static int cards_found; - - err = pcim_enable_device(pdev); - if (err) { - printk(KERN_ERR "lmc: pci enable failed: %d\n", err); - return err; - } - - err = pci_request_regions(pdev, "lmc"); - if (err) { - printk(KERN_ERR "lmc: pci_request_region failed\n"); - return err; - } - - /* - * Allocate our own device structure - */ - sc = devm_kzalloc(&pdev->dev, sizeof(lmc_softc_t), GFP_KERNEL); - if (!sc) - return -ENOMEM; - - dev = alloc_hdlcdev(sc); - if (!dev) { - printk(KERN_ERR "lmc:alloc_netdev for device failed\n"); - return -ENOMEM; - } - - - dev->type = ARPHRD_HDLC; - dev_to_hdlc(dev)->xmit = lmc_start_xmit; - dev_to_hdlc(dev)->attach = lmc_attach; - dev->netdev_ops = &lmc_ops; - dev->watchdog_timeo = HZ; /* 1 second */ - dev->tx_queue_len = 100; - sc->lmc_device = dev; - sc->name = dev->name; - sc->if_type = LMC_PPP; - sc->check = 0xBEAFCAFE; - dev->base_addr = pci_resource_start(pdev, 0); - dev->irq = pdev->irq; - pci_set_drvdata(pdev, dev); - SET_NETDEV_DEV(dev, &pdev->dev); - - /* - * This will get the protocol layer ready and do any 1 time init's - * Must have a valid sc and dev structure - */ - lmc_proto_attach(sc); - - /* Init the spin lock so can call it latter */ - - spin_lock_init(&sc->lmc_lock); - pci_set_master(pdev); - - printk(KERN_INFO "hdlc: detected at %lx, irq %d\n", - dev->base_addr, dev->irq); - - err = register_hdlc_device(dev); - if (err) { - printk(KERN_ERR "%s: register_netdev failed.\n", dev->name); - free_netdev(dev); - return err; - } - - sc->lmc_cardtype = LMC_CARDTYPE_UNKNOWN; - sc->lmc_timing = LMC_CTL_CLOCK_SOURCE_EXT; - - /* - * - * Check either the subvendor or the subdevice, some systems reverse - * the setting in the bois, seems to be version and arch dependent? - * Fix the error, exchange the two values - */ - if ((subdevice = pdev->subsystem_device) == PCI_VENDOR_ID_LMC) - subdevice = pdev->subsystem_vendor; - - switch (subdevice) { - case PCI_DEVICE_ID_LMC_HSSI: - printk(KERN_INFO "%s: LMC HSSI\n", dev->name); - sc->lmc_cardtype = LMC_CARDTYPE_HSSI; - sc->lmc_media = &lmc_hssi_media; - break; - case PCI_DEVICE_ID_LMC_DS3: - printk(KERN_INFO "%s: LMC DS3\n", dev->name); - sc->lmc_cardtype = LMC_CARDTYPE_DS3; - sc->lmc_media = &lmc_ds3_media; - break; - case PCI_DEVICE_ID_LMC_SSI: - printk(KERN_INFO "%s: LMC SSI\n", dev->name); - sc->lmc_cardtype = LMC_CARDTYPE_SSI; - sc->lmc_media = &lmc_ssi_media; - break; - case PCI_DEVICE_ID_LMC_T1: - printk(KERN_INFO "%s: LMC T1\n", dev->name); - sc->lmc_cardtype = LMC_CARDTYPE_T1; - sc->lmc_media = &lmc_t1_media; - break; - default: - printk(KERN_WARNING "%s: LMC UNKNOWN CARD!\n", dev->name); - unregister_hdlc_device(dev); - return -EIO; - break; - } - - lmc_initcsrs (sc, dev->base_addr, 8); - - lmc_gpio_mkinput (sc, 0xff); - sc->lmc_gpio = 0; /* drive no signals yet */ - - sc->lmc_media->defaults (sc); - - sc->lmc_media->set_link_status (sc, LMC_LINK_UP); - - /* verify that the PCI Sub System ID matches the Adapter Model number - * from the MII register - */ - AdapModelNum = (lmc_mii_readreg (sc, 0, 3) & 0x3f0) >> 4; - - if ((AdapModelNum != LMC_ADAP_T1 || /* detect LMC1200 */ - subdevice != PCI_DEVICE_ID_LMC_T1) && - (AdapModelNum != LMC_ADAP_SSI || /* detect LMC1000 */ - subdevice != PCI_DEVICE_ID_LMC_SSI) && - (AdapModelNum != LMC_ADAP_DS3 || /* detect LMC5245 */ - subdevice != PCI_DEVICE_ID_LMC_DS3) && - (AdapModelNum != LMC_ADAP_HSSI || /* detect LMC5200 */ - subdevice != PCI_DEVICE_ID_LMC_HSSI)) - printk(KERN_WARNING "%s: Model number (%d) miscompare for PCI" - " Subsystem ID = 0x%04x\n", - dev->name, AdapModelNum, subdevice); - - /* - * reset clock - */ - LMC_CSR_WRITE (sc, csr_gp_timer, 0xFFFFFFFFUL); - - sc->board_idx = cards_found++; - sc->extra_stats.check = STATCHECK; - sc->extra_stats.version_size = (DRIVER_VERSION << 16) + - sizeof(sc->lmc_device->stats) + sizeof(sc->extra_stats); - sc->extra_stats.lmc_cardtype = sc->lmc_cardtype; - - sc->lmc_ok = 0; - sc->last_link_status = 0; - - return 0; -} - -/* - * Called from pci when removing module. - */ -static void lmc_remove_one(struct pci_dev *pdev) -{ - struct net_device *dev = pci_get_drvdata(pdev); - - if (dev) { - printk(KERN_DEBUG "%s: removing...\n", dev->name); - unregister_hdlc_device(dev); - free_netdev(dev); - } -} - -/* After this is called, packets can be sent. - * Does not initialize the addresses - */ -static int lmc_open(struct net_device *dev) -{ - lmc_softc_t *sc = dev_to_sc(dev); - int err; - - lmc_led_on(sc, LMC_DS3_LED0); - - lmc_dec_reset(sc); - lmc_reset(sc); - - LMC_EVENT_LOG(LMC_EVENT_RESET1, LMC_CSR_READ(sc, csr_status), 0); - LMC_EVENT_LOG(LMC_EVENT_RESET2, lmc_mii_readreg(sc, 0, 16), - lmc_mii_readreg(sc, 0, 17)); - - if (sc->lmc_ok) - return 0; - - lmc_softreset (sc); - - /* Since we have to use PCI bus, this should work on x86,alpha,ppc */ - if (request_irq (dev->irq, lmc_interrupt, IRQF_SHARED, dev->name, dev)){ - printk(KERN_WARNING "%s: could not get irq: %d\n", dev->name, dev->irq); - return -EAGAIN; - } - sc->got_irq = 1; - - /* Assert Terminal Active */ - sc->lmc_miireg16 |= LMC_MII16_LED_ALL; - sc->lmc_media->set_link_status (sc, LMC_LINK_UP); - - /* - * reset to last state. - */ - sc->lmc_media->set_status (sc, NULL); - - /* setup default bits to be used in tulip_desc_t transmit descriptor - * -baz */ - sc->TxDescriptControlInit = ( - LMC_TDES_INTERRUPT_ON_COMPLETION - | LMC_TDES_FIRST_SEGMENT - | LMC_TDES_LAST_SEGMENT - | LMC_TDES_SECOND_ADDR_CHAINED - | LMC_TDES_DISABLE_PADDING - ); - - if (sc->ictl.crc_length == LMC_CTL_CRC_LENGTH_16) { - /* disable 32 bit CRC generated by ASIC */ - sc->TxDescriptControlInit |= LMC_TDES_ADD_CRC_DISABLE; - } - sc->lmc_media->set_crc_length(sc, sc->ictl.crc_length); - /* Acknoledge the Terminal Active and light LEDs */ - - /* dev->flags |= IFF_UP; */ - - if ((err = lmc_proto_open(sc)) != 0) - return err; - - netif_start_queue(dev); - sc->extra_stats.tx_tbusy0++; - - /* - * select what interrupts we want to get - */ - sc->lmc_intrmask = 0; - /* Should be using the default interrupt mask defined in the .h file. */ - sc->lmc_intrmask |= (TULIP_STS_NORMALINTR - | TULIP_STS_RXINTR - | TULIP_STS_TXINTR - | TULIP_STS_ABNRMLINTR - | TULIP_STS_SYSERROR - | TULIP_STS_TXSTOPPED - | TULIP_STS_TXUNDERFLOW - | TULIP_STS_RXSTOPPED - | TULIP_STS_RXNOBUF - ); - LMC_CSR_WRITE (sc, csr_intr, sc->lmc_intrmask); - - sc->lmc_cmdmode |= TULIP_CMD_TXRUN; - sc->lmc_cmdmode |= TULIP_CMD_RXRUN; - LMC_CSR_WRITE (sc, csr_command, sc->lmc_cmdmode); - - sc->lmc_ok = 1; /* Run watchdog */ - - /* - * Set the if up now - pfb - */ - - sc->last_link_status = 1; - - /* - * Setup a timer for the watchdog on probe, and start it running. - * Since lmc_ok == 0, it will be a NOP for now. - */ - timer_setup(&sc->timer, lmc_watchdog, 0); - sc->timer.expires = jiffies + HZ; - add_timer (&sc->timer); - - return 0; -} - -/* Total reset to compensate for the AdTran DSU doing bad things - * under heavy load - */ - -static void lmc_running_reset (struct net_device *dev) /*fold00*/ -{ - lmc_softc_t *sc = dev_to_sc(dev); - - /* stop interrupts */ - /* Clear the interrupt mask */ - LMC_CSR_WRITE (sc, csr_intr, 0x00000000); - - lmc_dec_reset (sc); - lmc_reset (sc); - lmc_softreset (sc); - /* sc->lmc_miireg16 |= LMC_MII16_LED_ALL; */ - sc->lmc_media->set_link_status (sc, 1); - sc->lmc_media->set_status (sc, NULL); - - netif_wake_queue(dev); - - sc->lmc_txfull = 0; - sc->extra_stats.tx_tbusy0++; - - sc->lmc_intrmask = TULIP_DEFAULT_INTR_MASK; - LMC_CSR_WRITE (sc, csr_intr, sc->lmc_intrmask); - - sc->lmc_cmdmode |= (TULIP_CMD_TXRUN | TULIP_CMD_RXRUN); - LMC_CSR_WRITE (sc, csr_command, sc->lmc_cmdmode); -} - - -/* This is what is called when you ifconfig down a device. - * This disables the timer for the watchdog and keepalives, - * and disables the irq for dev. - */ -static int lmc_close(struct net_device *dev) -{ - /* not calling release_region() as we should */ - lmc_softc_t *sc = dev_to_sc(dev); - - sc->lmc_ok = 0; - sc->lmc_media->set_link_status (sc, 0); - del_timer (&sc->timer); - lmc_proto_close(sc); - lmc_ifdown (dev); - - return 0; -} - -/* Ends the transfer of packets */ -/* When the interface goes down, this is called */ -static int lmc_ifdown (struct net_device *dev) /*fold00*/ -{ - lmc_softc_t *sc = dev_to_sc(dev); - u32 csr6; - int i; - - /* Don't let anything else go on right now */ - // dev->start = 0; - netif_stop_queue(dev); - sc->extra_stats.tx_tbusy1++; - - /* stop interrupts */ - /* Clear the interrupt mask */ - LMC_CSR_WRITE (sc, csr_intr, 0x00000000); - - /* Stop Tx and Rx on the chip */ - csr6 = LMC_CSR_READ (sc, csr_command); - csr6 &= ~LMC_DEC_ST; /* Turn off the Transmission bit */ - csr6 &= ~LMC_DEC_SR; /* Turn off the Receive bit */ - LMC_CSR_WRITE (sc, csr_command, csr6); - - sc->lmc_device->stats.rx_missed_errors += - LMC_CSR_READ(sc, csr_missed_frames) & 0xffff; - - /* release the interrupt */ - if(sc->got_irq == 1){ - free_irq (dev->irq, dev); - sc->got_irq = 0; - } - - /* free skbuffs in the Rx queue */ - for (i = 0; i < LMC_RXDESCS; i++) - { - struct sk_buff *skb = sc->lmc_rxq[i]; - sc->lmc_rxq[i] = NULL; - sc->lmc_rxring[i].status = 0; - sc->lmc_rxring[i].length = 0; - sc->lmc_rxring[i].buffer1 = 0xDEADBEEF; - if (skb != NULL) - dev_kfree_skb(skb); - sc->lmc_rxq[i] = NULL; - } - - for (i = 0; i < LMC_TXDESCS; i++) - { - if (sc->lmc_txq[i] != NULL) - dev_kfree_skb(sc->lmc_txq[i]); - sc->lmc_txq[i] = NULL; - } - - lmc_led_off (sc, LMC_MII16_LED_ALL); - - netif_wake_queue(dev); - sc->extra_stats.tx_tbusy0++; - - return 0; -} - -/* Interrupt handling routine. This will take an incoming packet, or clean - * up after a trasmit. - */ -static irqreturn_t lmc_interrupt (int irq, void *dev_instance) /*fold00*/ -{ - struct net_device *dev = (struct net_device *) dev_instance; - lmc_softc_t *sc = dev_to_sc(dev); - u32 csr; - int i; - s32 stat; - unsigned int badtx; - int max_work = LMC_RXDESCS; - int handled = 0; - - spin_lock(&sc->lmc_lock); - - /* - * Read the csr to find what interrupts we have (if any) - */ - csr = LMC_CSR_READ (sc, csr_status); - - /* - * Make sure this is our interrupt - */ - if ( ! (csr & sc->lmc_intrmask)) { - goto lmc_int_fail_out; - } - - /* always go through this loop at least once */ - while (csr & sc->lmc_intrmask) { - handled = 1; - - /* - * Clear interrupt bits, we handle all case below - */ - LMC_CSR_WRITE (sc, csr_status, csr); - - /* - * One of - * - Transmit process timed out CSR5<1> - * - Transmit jabber timeout CSR5<3> - * - Transmit underflow CSR5<5> - * - Transmit Receiver buffer unavailable CSR5<7> - * - Receive process stopped CSR5<8> - * - Receive watchdog timeout CSR5<9> - * - Early transmit interrupt CSR5<10> - * - * Is this really right? Should we do a running reset for jabber? - * (being a WAN card and all) - */ - if (csr & TULIP_STS_ABNRMLINTR){ - lmc_running_reset (dev); - break; - } - - if (csr & TULIP_STS_RXINTR) - lmc_rx (dev); - - if (csr & (TULIP_STS_TXINTR | TULIP_STS_TXNOBUF | TULIP_STS_TXSTOPPED)) { - - int n_compl = 0 ; - /* reset the transmit timeout detection flag -baz */ - sc->extra_stats.tx_NoCompleteCnt = 0; - - badtx = sc->lmc_taint_tx; - i = badtx % LMC_TXDESCS; - - while ((badtx < sc->lmc_next_tx)) { - stat = sc->lmc_txring[i].status; - - LMC_EVENT_LOG (LMC_EVENT_XMTINT, stat, - sc->lmc_txring[i].length); - /* - * If bit 31 is 1 the tulip owns it break out of the loop - */ - if (stat & 0x80000000) - break; - - n_compl++ ; /* i.e., have an empty slot in ring */ - /* - * If we have no skbuff or have cleared it - * Already continue to the next buffer - */ - if (sc->lmc_txq[i] == NULL) - continue; - - /* - * Check the total error summary to look for any errors - */ - if (stat & 0x8000) { - sc->lmc_device->stats.tx_errors++; - if (stat & 0x4104) - sc->lmc_device->stats.tx_aborted_errors++; - if (stat & 0x0C00) - sc->lmc_device->stats.tx_carrier_errors++; - if (stat & 0x0200) - sc->lmc_device->stats.tx_window_errors++; - if (stat & 0x0002) - sc->lmc_device->stats.tx_fifo_errors++; - } else { - sc->lmc_device->stats.tx_bytes += sc->lmc_txring[i].length & 0x7ff; - - sc->lmc_device->stats.tx_packets++; - } - - dev_consume_skb_irq(sc->lmc_txq[i]); - sc->lmc_txq[i] = NULL; - - badtx++; - i = badtx % LMC_TXDESCS; - } - - if (sc->lmc_next_tx - badtx > LMC_TXDESCS) - { - printk ("%s: out of sync pointer\n", dev->name); - badtx += LMC_TXDESCS; - } - LMC_EVENT_LOG(LMC_EVENT_TBUSY0, n_compl, 0); - sc->lmc_txfull = 0; - netif_wake_queue(dev); - sc->extra_stats.tx_tbusy0++; - - -#ifdef DEBUG - sc->extra_stats.dirtyTx = badtx; - sc->extra_stats.lmc_next_tx = sc->lmc_next_tx; - sc->extra_stats.lmc_txfull = sc->lmc_txfull; -#endif - sc->lmc_taint_tx = badtx; - - /* - * Why was there a break here??? - */ - } /* end handle transmit interrupt */ - - if (csr & TULIP_STS_SYSERROR) { - u32 error; - printk (KERN_WARNING "%s: system bus error csr: %#8.8x\n", dev->name, csr); - error = csr>>23 & 0x7; - switch(error){ - case 0x000: - printk(KERN_WARNING "%s: Parity Fault (bad)\n", dev->name); - break; - case 0x001: - printk(KERN_WARNING "%s: Master Abort (naughty)\n", dev->name); - break; - case 0x002: - printk(KERN_WARNING "%s: Target Abort (not so naughty)\n", dev->name); - break; - default: - printk(KERN_WARNING "%s: This bus error code was supposed to be reserved!\n", dev->name); - } - lmc_dec_reset (sc); - lmc_reset (sc); - LMC_EVENT_LOG(LMC_EVENT_RESET1, LMC_CSR_READ (sc, csr_status), 0); - LMC_EVENT_LOG(LMC_EVENT_RESET2, - lmc_mii_readreg (sc, 0, 16), - lmc_mii_readreg (sc, 0, 17)); - - } - - - if(max_work-- <= 0) - break; - - /* - * Get current csr status to make sure - * we've cleared all interrupts - */ - csr = LMC_CSR_READ (sc, csr_status); - } /* end interrupt loop */ - LMC_EVENT_LOG(LMC_EVENT_INT, firstcsr, csr); - -lmc_int_fail_out: - - spin_unlock(&sc->lmc_lock); - - return IRQ_RETVAL(handled); -} - -static netdev_tx_t lmc_start_xmit(struct sk_buff *skb, - struct net_device *dev) -{ - lmc_softc_t *sc = dev_to_sc(dev); - u32 flag; - int entry; - unsigned long flags; - - spin_lock_irqsave(&sc->lmc_lock, flags); - - /* normal path, tbusy known to be zero */ - - entry = sc->lmc_next_tx % LMC_TXDESCS; - - sc->lmc_txq[entry] = skb; - sc->lmc_txring[entry].buffer1 = virt_to_bus (skb->data); - - LMC_CONSOLE_LOG("xmit", skb->data, skb->len); - -#ifndef GCOM - /* If the queue is less than half full, don't interrupt */ - if (sc->lmc_next_tx - sc->lmc_taint_tx < LMC_TXDESCS / 2) - { - /* Do not interrupt on completion of this packet */ - flag = 0x60000000; - netif_wake_queue(dev); - } - else if (sc->lmc_next_tx - sc->lmc_taint_tx == LMC_TXDESCS / 2) - { - /* This generates an interrupt on completion of this packet */ - flag = 0xe0000000; - netif_wake_queue(dev); - } - else if (sc->lmc_next_tx - sc->lmc_taint_tx < LMC_TXDESCS - 1) - { - /* Do not interrupt on completion of this packet */ - flag = 0x60000000; - netif_wake_queue(dev); - } - else - { - /* This generates an interrupt on completion of this packet */ - flag = 0xe0000000; - sc->lmc_txfull = 1; - netif_stop_queue(dev); - } -#else - flag = LMC_TDES_INTERRUPT_ON_COMPLETION; - - if (sc->lmc_next_tx - sc->lmc_taint_tx >= LMC_TXDESCS - 1) - { /* ring full, go busy */ - sc->lmc_txfull = 1; - netif_stop_queue(dev); - sc->extra_stats.tx_tbusy1++; - LMC_EVENT_LOG(LMC_EVENT_TBUSY1, entry, 0); - } -#endif - - - if (entry == LMC_TXDESCS - 1) /* last descriptor in ring */ - flag |= LMC_TDES_END_OF_RING; /* flag as such for Tulip */ - - /* don't pad small packets either */ - flag = sc->lmc_txring[entry].length = (skb->len) | flag | - sc->TxDescriptControlInit; - - /* set the transmit timeout flag to be checked in - * the watchdog timer handler. -baz - */ - - sc->extra_stats.tx_NoCompleteCnt++; - sc->lmc_next_tx++; - - /* give ownership to the chip */ - LMC_EVENT_LOG(LMC_EVENT_XMT, flag, entry); - sc->lmc_txring[entry].status = 0x80000000; - - /* send now! */ - LMC_CSR_WRITE (sc, csr_txpoll, 0); - - spin_unlock_irqrestore(&sc->lmc_lock, flags); - - return NETDEV_TX_OK; -} - - -static int lmc_rx(struct net_device *dev) -{ - lmc_softc_t *sc = dev_to_sc(dev); - int i; - int rx_work_limit = LMC_RXDESCS; - int rxIntLoopCnt; /* debug -baz */ - int localLengthErrCnt = 0; - long stat; - struct sk_buff *skb, *nsb; - u16 len; - - lmc_led_on(sc, LMC_DS3_LED3); - - rxIntLoopCnt = 0; /* debug -baz */ - - i = sc->lmc_next_rx % LMC_RXDESCS; - - while (((stat = sc->lmc_rxring[i].status) & LMC_RDES_OWN_BIT) != DESC_OWNED_BY_DC21X4) - { - rxIntLoopCnt++; /* debug -baz */ - len = ((stat & LMC_RDES_FRAME_LENGTH) >> RDES_FRAME_LENGTH_BIT_NUMBER); - if ((stat & 0x0300) != 0x0300) { /* Check first segment and last segment */ - if ((stat & 0x0000ffff) != 0x7fff) { - /* Oversized frame */ - sc->lmc_device->stats.rx_length_errors++; - goto skip_packet; - } - } - - if (stat & 0x00000008) { /* Catch a dribbling bit error */ - sc->lmc_device->stats.rx_errors++; - sc->lmc_device->stats.rx_frame_errors++; - goto skip_packet; - } - - - if (stat & 0x00000004) { /* Catch a CRC error by the Xilinx */ - sc->lmc_device->stats.rx_errors++; - sc->lmc_device->stats.rx_crc_errors++; - goto skip_packet; - } - - if (len > LMC_PKT_BUF_SZ) { - sc->lmc_device->stats.rx_length_errors++; - localLengthErrCnt++; - goto skip_packet; - } - - if (len < sc->lmc_crcSize + 2) { - sc->lmc_device->stats.rx_length_errors++; - sc->extra_stats.rx_SmallPktCnt++; - localLengthErrCnt++; - goto skip_packet; - } - - if(stat & 0x00004000){ - printk(KERN_WARNING "%s: Receiver descriptor error, receiver out of sync?\n", dev->name); - } - - len -= sc->lmc_crcSize; - - skb = sc->lmc_rxq[i]; - - /* - * We ran out of memory at some point - * just allocate an skb buff and continue. - */ - - if (!skb) { - nsb = dev_alloc_skb (LMC_PKT_BUF_SZ + 2); - if (nsb) { - sc->lmc_rxq[i] = nsb; - nsb->dev = dev; - sc->lmc_rxring[i].buffer1 = virt_to_bus(skb_tail_pointer(nsb)); - } - sc->failed_recv_alloc = 1; - goto skip_packet; - } - - sc->lmc_device->stats.rx_packets++; - sc->lmc_device->stats.rx_bytes += len; - - LMC_CONSOLE_LOG("recv", skb->data, len); - - /* - * I'm not sure of the sanity of this - * Packets could be arriving at a constant - * 44.210mbits/sec and we're going to copy - * them into a new buffer?? - */ - - if(len > (LMC_MTU - (LMC_MTU>>2))){ /* len > LMC_MTU * 0.75 */ - /* - * If it's a large packet don't copy it just hand it up - */ - give_it_anyways: - - sc->lmc_rxq[i] = NULL; - sc->lmc_rxring[i].buffer1 = 0x0; - - skb_put (skb, len); - skb->protocol = lmc_proto_type(sc, skb); - skb_reset_mac_header(skb); - /* skb_reset_network_header(skb); */ - skb->dev = dev; - lmc_proto_netif(sc, skb); - - /* - * This skb will be destroyed by the upper layers, make a new one - */ - nsb = dev_alloc_skb (LMC_PKT_BUF_SZ + 2); - if (nsb) { - sc->lmc_rxq[i] = nsb; - nsb->dev = dev; - sc->lmc_rxring[i].buffer1 = virt_to_bus(skb_tail_pointer(nsb)); - /* Transferred to 21140 below */ - } - else { - /* - * We've run out of memory, stop trying to allocate - * memory and exit the interrupt handler - * - * The chip may run out of receivers and stop - * in which care we'll try to allocate the buffer - * again. (once a second) - */ - sc->extra_stats.rx_BuffAllocErr++; - LMC_EVENT_LOG(LMC_EVENT_RCVINT, stat, len); - sc->failed_recv_alloc = 1; - goto skip_out_of_mem; - } - } - else { - nsb = dev_alloc_skb(len); - if(!nsb) { - goto give_it_anyways; - } - skb_copy_from_linear_data(skb, skb_put(nsb, len), len); - - nsb->protocol = lmc_proto_type(sc, nsb); - skb_reset_mac_header(nsb); - /* skb_reset_network_header(nsb); */ - nsb->dev = dev; - lmc_proto_netif(sc, nsb); - } - - skip_packet: - LMC_EVENT_LOG(LMC_EVENT_RCVINT, stat, len); - sc->lmc_rxring[i].status = DESC_OWNED_BY_DC21X4; - - sc->lmc_next_rx++; - i = sc->lmc_next_rx % LMC_RXDESCS; - rx_work_limit--; - if (rx_work_limit < 0) - break; - } - - /* detect condition for LMC1000 where DSU cable attaches and fills - * descriptors with bogus packets - * - if (localLengthErrCnt > LMC_RXDESCS - 3) { - sc->extra_stats.rx_BadPktSurgeCnt++; - LMC_EVENT_LOG(LMC_EVENT_BADPKTSURGE, localLengthErrCnt, - sc->extra_stats.rx_BadPktSurgeCnt); - } */ - - /* save max count of receive descriptors serviced */ - if (rxIntLoopCnt > sc->extra_stats.rxIntLoopCnt) - sc->extra_stats.rxIntLoopCnt = rxIntLoopCnt; /* debug -baz */ - -#ifdef DEBUG - if (rxIntLoopCnt == 0) - { - for (i = 0; i < LMC_RXDESCS; i++) - { - if ((sc->lmc_rxring[i].status & LMC_RDES_OWN_BIT) - != DESC_OWNED_BY_DC21X4) - { - rxIntLoopCnt++; - } - } - LMC_EVENT_LOG(LMC_EVENT_RCVEND, rxIntLoopCnt, 0); - } -#endif - - - lmc_led_off(sc, LMC_DS3_LED3); - -skip_out_of_mem: - return 0; -} - -static struct net_device_stats *lmc_get_stats(struct net_device *dev) -{ - lmc_softc_t *sc = dev_to_sc(dev); - unsigned long flags; - - spin_lock_irqsave(&sc->lmc_lock, flags); - - sc->lmc_device->stats.rx_missed_errors += LMC_CSR_READ(sc, csr_missed_frames) & 0xffff; - - spin_unlock_irqrestore(&sc->lmc_lock, flags); - - return &sc->lmc_device->stats; -} - -static struct pci_driver lmc_driver = { - .name = "lmc", - .id_table = lmc_pci_tbl, - .probe = lmc_init_one, - .remove = lmc_remove_one, -}; - -module_pci_driver(lmc_driver); - -unsigned lmc_mii_readreg (lmc_softc_t * const sc, unsigned devaddr, unsigned regno) /*fold00*/ -{ - int i; - int command = (0xf6 << 10) | (devaddr << 5) | regno; - int retval = 0; - - LMC_MII_SYNC (sc); - - for (i = 15; i >= 0; i--) - { - int dataval = (command & (1 << i)) ? 0x20000 : 0; - - LMC_CSR_WRITE (sc, csr_9, dataval); - lmc_delay (); - /* __SLOW_DOWN_IO; */ - LMC_CSR_WRITE (sc, csr_9, dataval | 0x10000); - lmc_delay (); - /* __SLOW_DOWN_IO; */ - } - - for (i = 19; i > 0; i--) - { - LMC_CSR_WRITE (sc, csr_9, 0x40000); - lmc_delay (); - /* __SLOW_DOWN_IO; */ - retval = (retval << 1) | ((LMC_CSR_READ (sc, csr_9) & 0x80000) ? 1 : 0); - LMC_CSR_WRITE (sc, csr_9, 0x40000 | 0x10000); - lmc_delay (); - /* __SLOW_DOWN_IO; */ - } - - return (retval >> 1) & 0xffff; -} - -void lmc_mii_writereg (lmc_softc_t * const sc, unsigned devaddr, unsigned regno, unsigned data) /*fold00*/ -{ - int i = 32; - int command = (0x5002 << 16) | (devaddr << 23) | (regno << 18) | data; - - LMC_MII_SYNC (sc); - - i = 31; - while (i >= 0) - { - int datav; - - if (command & (1 << i)) - datav = 0x20000; - else - datav = 0x00000; - - LMC_CSR_WRITE (sc, csr_9, datav); - lmc_delay (); - /* __SLOW_DOWN_IO; */ - LMC_CSR_WRITE (sc, csr_9, (datav | 0x10000)); - lmc_delay (); - /* __SLOW_DOWN_IO; */ - i--; - } - - i = 2; - while (i > 0) - { - LMC_CSR_WRITE (sc, csr_9, 0x40000); - lmc_delay (); - /* __SLOW_DOWN_IO; */ - LMC_CSR_WRITE (sc, csr_9, 0x50000); - lmc_delay (); - /* __SLOW_DOWN_IO; */ - i--; - } -} - -static void lmc_softreset (lmc_softc_t * const sc) /*fold00*/ -{ - int i; - - /* Initialize the receive rings and buffers. */ - sc->lmc_txfull = 0; - sc->lmc_next_rx = 0; - sc->lmc_next_tx = 0; - sc->lmc_taint_rx = 0; - sc->lmc_taint_tx = 0; - - /* - * Setup each one of the receiver buffers - * allocate an skbuff for each one, setup the descriptor table - * and point each buffer at the next one - */ - - for (i = 0; i < LMC_RXDESCS; i++) - { - struct sk_buff *skb; - - if (sc->lmc_rxq[i] == NULL) - { - skb = dev_alloc_skb (LMC_PKT_BUF_SZ + 2); - if(skb == NULL){ - printk(KERN_WARNING "%s: Failed to allocate receiver ring, will try again\n", sc->name); - sc->failed_ring = 1; - break; - } - else{ - sc->lmc_rxq[i] = skb; - } - } - else - { - skb = sc->lmc_rxq[i]; - } - - skb->dev = sc->lmc_device; - - /* owned by 21140 */ - sc->lmc_rxring[i].status = 0x80000000; - - /* used to be PKT_BUF_SZ now uses skb since we lose some to head room */ - sc->lmc_rxring[i].length = skb_tailroom(skb); - - /* use to be tail which is dumb since you're thinking why write - * to the end of the packj,et but since there's nothing there tail == data - */ - sc->lmc_rxring[i].buffer1 = virt_to_bus (skb->data); - - /* This is fair since the structure is static and we have the next address */ - sc->lmc_rxring[i].buffer2 = virt_to_bus (&sc->lmc_rxring[i + 1]); - - } - - /* - * Sets end of ring - */ - if (i != 0) { - sc->lmc_rxring[i - 1].length |= 0x02000000; /* Set end of buffers flag */ - sc->lmc_rxring[i - 1].buffer2 = virt_to_bus(&sc->lmc_rxring[0]); /* Point back to the start */ - } - LMC_CSR_WRITE (sc, csr_rxlist, virt_to_bus (sc->lmc_rxring)); /* write base address */ - - /* Initialize the transmit rings and buffers */ - for (i = 0; i < LMC_TXDESCS; i++) - { - if (sc->lmc_txq[i] != NULL){ /* have buffer */ - dev_kfree_skb(sc->lmc_txq[i]); /* free it */ - sc->lmc_device->stats.tx_dropped++; /* We just dropped a packet */ - } - sc->lmc_txq[i] = NULL; - sc->lmc_txring[i].status = 0x00000000; - sc->lmc_txring[i].buffer2 = virt_to_bus (&sc->lmc_txring[i + 1]); - } - sc->lmc_txring[i - 1].buffer2 = virt_to_bus (&sc->lmc_txring[0]); - LMC_CSR_WRITE (sc, csr_txlist, virt_to_bus (sc->lmc_txring)); -} - -void lmc_gpio_mkinput(lmc_softc_t * const sc, u32 bits) /*fold00*/ -{ - sc->lmc_gpio_io &= ~bits; - LMC_CSR_WRITE(sc, csr_gp, TULIP_GP_PINSET | (sc->lmc_gpio_io)); -} - -void lmc_gpio_mkoutput(lmc_softc_t * const sc, u32 bits) /*fold00*/ -{ - sc->lmc_gpio_io |= bits; - LMC_CSR_WRITE(sc, csr_gp, TULIP_GP_PINSET | (sc->lmc_gpio_io)); -} - -void lmc_led_on(lmc_softc_t * const sc, u32 led) /*fold00*/ -{ - if ((~sc->lmc_miireg16) & led) /* Already on! */ - return; - - sc->lmc_miireg16 &= ~led; - lmc_mii_writereg(sc, 0, 16, sc->lmc_miireg16); -} - -void lmc_led_off(lmc_softc_t * const sc, u32 led) /*fold00*/ -{ - if (sc->lmc_miireg16 & led) /* Already set don't do anything */ - return; - - sc->lmc_miireg16 |= led; - lmc_mii_writereg(sc, 0, 16, sc->lmc_miireg16); -} - -static void lmc_reset(lmc_softc_t * const sc) /*fold00*/ -{ - sc->lmc_miireg16 |= LMC_MII16_FIFO_RESET; - lmc_mii_writereg(sc, 0, 16, sc->lmc_miireg16); - - sc->lmc_miireg16 &= ~LMC_MII16_FIFO_RESET; - lmc_mii_writereg(sc, 0, 16, sc->lmc_miireg16); - - /* - * make some of the GPIO pins be outputs - */ - lmc_gpio_mkoutput(sc, LMC_GEP_RESET); - - /* - * RESET low to force state reset. This also forces - * the transmitter clock to be internal, but we expect to reset - * that later anyway. - */ - sc->lmc_gpio &= ~(LMC_GEP_RESET); - LMC_CSR_WRITE(sc, csr_gp, sc->lmc_gpio); - - /* - * hold for more than 10 microseconds - */ - udelay(50); - - /* - * stop driving Xilinx-related signals - */ - lmc_gpio_mkinput(sc, LMC_GEP_RESET); - - /* - * Call media specific init routine - */ - sc->lmc_media->init(sc); - - sc->extra_stats.resetCount++; -} - -static void lmc_dec_reset(lmc_softc_t * const sc) /*fold00*/ -{ - u32 val; - - /* - * disable all interrupts - */ - sc->lmc_intrmask = 0; - LMC_CSR_WRITE(sc, csr_intr, sc->lmc_intrmask); - - /* - * Reset the chip with a software reset command. - * Wait 10 microseconds (actually 50 PCI cycles but at - * 33MHz that comes to two microseconds but wait a - * bit longer anyways) - */ - LMC_CSR_WRITE(sc, csr_busmode, TULIP_BUSMODE_SWRESET); - udelay(25); -#ifdef __sparc__ - sc->lmc_busmode = LMC_CSR_READ(sc, csr_busmode); - sc->lmc_busmode = 0x00100000; - sc->lmc_busmode &= ~TULIP_BUSMODE_SWRESET; - LMC_CSR_WRITE(sc, csr_busmode, sc->lmc_busmode); -#endif - sc->lmc_cmdmode = LMC_CSR_READ(sc, csr_command); - - /* - * We want: - * no ethernet address in frames we write - * disable padding (txdesc, padding disable) - * ignore runt frames (rdes0 bit 15) - * no receiver watchdog or transmitter jabber timer - * (csr15 bit 0,14 == 1) - * if using 16-bit CRC, turn off CRC (trans desc, crc disable) - */ - - sc->lmc_cmdmode |= ( TULIP_CMD_PROMISCUOUS - | TULIP_CMD_FULLDUPLEX - | TULIP_CMD_PASSBADPKT - | TULIP_CMD_NOHEARTBEAT - | TULIP_CMD_PORTSELECT - | TULIP_CMD_RECEIVEALL - | TULIP_CMD_MUSTBEONE - ); - sc->lmc_cmdmode &= ~( TULIP_CMD_OPERMODE - | TULIP_CMD_THRESHOLDCTL - | TULIP_CMD_STOREFWD - | TULIP_CMD_TXTHRSHLDCTL - ); - - LMC_CSR_WRITE(sc, csr_command, sc->lmc_cmdmode); - - /* - * disable receiver watchdog and transmit jabber - */ - val = LMC_CSR_READ(sc, csr_sia_general); - val |= (TULIP_WATCHDOG_TXDISABLE | TULIP_WATCHDOG_RXDISABLE); - LMC_CSR_WRITE(sc, csr_sia_general, val); -} - -static void lmc_initcsrs(lmc_softc_t * const sc, lmc_csrptr_t csr_base, /*fold00*/ - size_t csr_size) -{ - sc->lmc_csrs.csr_busmode = csr_base + 0 * csr_size; - sc->lmc_csrs.csr_txpoll = csr_base + 1 * csr_size; - sc->lmc_csrs.csr_rxpoll = csr_base + 2 * csr_size; - sc->lmc_csrs.csr_rxlist = csr_base + 3 * csr_size; - sc->lmc_csrs.csr_txlist = csr_base + 4 * csr_size; - sc->lmc_csrs.csr_status = csr_base + 5 * csr_size; - sc->lmc_csrs.csr_command = csr_base + 6 * csr_size; - sc->lmc_csrs.csr_intr = csr_base + 7 * csr_size; - sc->lmc_csrs.csr_missed_frames = csr_base + 8 * csr_size; - sc->lmc_csrs.csr_9 = csr_base + 9 * csr_size; - sc->lmc_csrs.csr_10 = csr_base + 10 * csr_size; - sc->lmc_csrs.csr_11 = csr_base + 11 * csr_size; - sc->lmc_csrs.csr_12 = csr_base + 12 * csr_size; - sc->lmc_csrs.csr_13 = csr_base + 13 * csr_size; - sc->lmc_csrs.csr_14 = csr_base + 14 * csr_size; - sc->lmc_csrs.csr_15 = csr_base + 15 * csr_size; -} - -static void lmc_driver_timeout(struct net_device *dev, unsigned int txqueue) -{ - lmc_softc_t *sc = dev_to_sc(dev); - u32 csr6; - unsigned long flags; - - spin_lock_irqsave(&sc->lmc_lock, flags); - - printk("%s: Xmitter busy|\n", dev->name); - - sc->extra_stats.tx_tbusy_calls++; - if (time_is_before_jiffies(dev_trans_start(dev) + TX_TIMEOUT)) - goto bug_out; - - /* - * Chip seems to have locked up - * Reset it - * This whips out all our descriptor - * table and starts from scartch - */ - - LMC_EVENT_LOG(LMC_EVENT_XMTPRCTMO, - LMC_CSR_READ (sc, csr_status), - sc->extra_stats.tx_ProcTimeout); - - lmc_running_reset (dev); - - LMC_EVENT_LOG(LMC_EVENT_RESET1, LMC_CSR_READ (sc, csr_status), 0); - LMC_EVENT_LOG(LMC_EVENT_RESET2, - lmc_mii_readreg (sc, 0, 16), - lmc_mii_readreg (sc, 0, 17)); - - /* restart the tx processes */ - csr6 = LMC_CSR_READ (sc, csr_command); - LMC_CSR_WRITE (sc, csr_command, csr6 | 0x0002); - LMC_CSR_WRITE (sc, csr_command, csr6 | 0x2002); - - /* immediate transmit */ - LMC_CSR_WRITE (sc, csr_txpoll, 0); - - sc->lmc_device->stats.tx_errors++; - sc->extra_stats.tx_ProcTimeout++; /* -baz */ - - netif_trans_update(dev); /* prevent tx timeout */ - -bug_out: - - spin_unlock_irqrestore(&sc->lmc_lock, flags); -} diff --git a/drivers/net/wan/lmc/lmc_media.c b/drivers/net/wan/lmc/lmc_media.c deleted file mode 100644 index ec1ac7b1f3fd..000000000000 --- a/drivers/net/wan/lmc/lmc_media.c +++ /dev/null @@ -1,1206 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-only -/* $Id: lmc_media.c,v 1.13 2000/04/11 05:25:26 asj Exp $ */ - -#include <linux/kernel.h> -#include <linux/string.h> -#include <linux/timer.h> -#include <linux/ptrace.h> -#include <linux/errno.h> -#include <linux/ioport.h> -#include <linux/interrupt.h> -#include <linux/in.h> -#include <linux/if_arp.h> -#include <linux/netdevice.h> -#include <linux/etherdevice.h> -#include <linux/skbuff.h> -#include <linux/inet.h> -#include <linux/bitops.h> - -#include <asm/processor.h> /* Processor type for cache alignment. */ -#include <asm/io.h> -#include <asm/dma.h> - -#include <linux/uaccess.h> - -#include "lmc.h" -#include "lmc_var.h" -#include "lmc_ioctl.h" -#include "lmc_debug.h" - -#define CONFIG_LMC_IGNORE_HARDWARE_HANDSHAKE 1 - - /* - * Copyright (c) 1997-2000 LAN Media Corporation (LMC) - * All rights reserved. www.lanmedia.com - * - * This code is written by: - * Andrew Stanley-Jones (asj@cban.com) - * Rob Braun (bbraun@vix.com), - * Michael Graff (explorer@vix.com) and - * Matt Thomas (matt@3am-software.com). - */ - -/* - * protocol independent method. - */ -static void lmc_set_protocol (lmc_softc_t * const, lmc_ctl_t *); - -/* - * media independent methods to check on media status, link, light LEDs, - * etc. - */ -static void lmc_ds3_init (lmc_softc_t * const); -static void lmc_ds3_default (lmc_softc_t * const); -static void lmc_ds3_set_status (lmc_softc_t * const, lmc_ctl_t *); -static void lmc_ds3_set_100ft (lmc_softc_t * const, int); -static int lmc_ds3_get_link_status (lmc_softc_t * const); -static void lmc_ds3_set_crc_length (lmc_softc_t * const, int); -static void lmc_ds3_set_scram (lmc_softc_t * const, int); -static void lmc_ds3_watchdog (lmc_softc_t * const); - -static void lmc_hssi_init (lmc_softc_t * const); -static void lmc_hssi_default (lmc_softc_t * const); -static void lmc_hssi_set_status (lmc_softc_t * const, lmc_ctl_t *); -static void lmc_hssi_set_clock (lmc_softc_t * const, int); -static int lmc_hssi_get_link_status (lmc_softc_t * const); -static void lmc_hssi_set_link_status (lmc_softc_t * const, int); -static void lmc_hssi_set_crc_length (lmc_softc_t * const, int); -static void lmc_hssi_watchdog (lmc_softc_t * const); - -static void lmc_ssi_init (lmc_softc_t * const); -static void lmc_ssi_default (lmc_softc_t * const); -static void lmc_ssi_set_status (lmc_softc_t * const, lmc_ctl_t *); -static void lmc_ssi_set_clock (lmc_softc_t * const, int); -static void lmc_ssi_set_speed (lmc_softc_t * const, lmc_ctl_t *); -static int lmc_ssi_get_link_status (lmc_softc_t * const); -static void lmc_ssi_set_link_status (lmc_softc_t * const, int); -static void lmc_ssi_set_crc_length (lmc_softc_t * const, int); -static void lmc_ssi_watchdog (lmc_softc_t * const); - -static void lmc_t1_init (lmc_softc_t * const); -static void lmc_t1_default (lmc_softc_t * const); -static void lmc_t1_set_status (lmc_softc_t * const, lmc_ctl_t *); -static int lmc_t1_get_link_status (lmc_softc_t * const); -static void lmc_t1_set_circuit_type (lmc_softc_t * const, int); -static void lmc_t1_set_crc_length (lmc_softc_t * const, int); -static void lmc_t1_set_clock (lmc_softc_t * const, int); -static void lmc_t1_watchdog (lmc_softc_t * const); - -static void lmc_dummy_set_1 (lmc_softc_t * const, int); -static void lmc_dummy_set2_1 (lmc_softc_t * const, lmc_ctl_t *); - -static inline void write_av9110_bit (lmc_softc_t *, int); -static void write_av9110(lmc_softc_t *, u32, u32, u32, u32, u32); - -lmc_media_t lmc_ds3_media = { - .init = lmc_ds3_init, /* special media init stuff */ - .defaults = lmc_ds3_default, /* reset to default state */ - .set_status = lmc_ds3_set_status, /* reset status to state provided */ - .set_clock_source = lmc_dummy_set_1, /* set clock source */ - .set_speed = lmc_dummy_set2_1, /* set line speed */ - .set_cable_length = lmc_ds3_set_100ft, /* set cable length */ - .set_scrambler = lmc_ds3_set_scram, /* set scrambler */ - .get_link_status = lmc_ds3_get_link_status, /* get link status */ - .set_link_status = lmc_dummy_set_1, /* set link status */ - .set_crc_length = lmc_ds3_set_crc_length, /* set CRC length */ - .set_circuit_type = lmc_dummy_set_1, /* set T1 or E1 circuit type */ - .watchdog = lmc_ds3_watchdog -}; - -lmc_media_t lmc_hssi_media = { - .init = lmc_hssi_init, /* special media init stuff */ - .defaults = lmc_hssi_default, /* reset to default state */ - .set_status = lmc_hssi_set_status, /* reset status to state provided */ - .set_clock_source = lmc_hssi_set_clock, /* set clock source */ - .set_speed = lmc_dummy_set2_1, /* set line speed */ - .set_cable_length = lmc_dummy_set_1, /* set cable length */ - .set_scrambler = lmc_dummy_set_1, /* set scrambler */ - .get_link_status = lmc_hssi_get_link_status, /* get link status */ - .set_link_status = lmc_hssi_set_link_status, /* set link status */ - .set_crc_length = lmc_hssi_set_crc_length, /* set CRC length */ - .set_circuit_type = lmc_dummy_set_1, /* set T1 or E1 circuit type */ - .watchdog = lmc_hssi_watchdog -}; - -lmc_media_t lmc_ssi_media = { - .init = lmc_ssi_init, /* special media init stuff */ - .defaults = lmc_ssi_default, /* reset to default state */ - .set_status = lmc_ssi_set_status, /* reset status to state provided */ - .set_clock_source = lmc_ssi_set_clock, /* set clock source */ - .set_speed = lmc_ssi_set_speed, /* set line speed */ - .set_cable_length = lmc_dummy_set_1, /* set cable length */ - .set_scrambler = lmc_dummy_set_1, /* set scrambler */ - .get_link_status = lmc_ssi_get_link_status, /* get link status */ - .set_link_status = lmc_ssi_set_link_status, /* set link status */ - .set_crc_length = lmc_ssi_set_crc_length, /* set CRC length */ - .set_circuit_type = lmc_dummy_set_1, /* set T1 or E1 circuit type */ - .watchdog = lmc_ssi_watchdog -}; - -lmc_media_t lmc_t1_media = { - .init = lmc_t1_init, /* special media init stuff */ - .defaults = lmc_t1_default, /* reset to default state */ - .set_status = lmc_t1_set_status, /* reset status to state provided */ - .set_clock_source = lmc_t1_set_clock, /* set clock source */ - .set_speed = lmc_dummy_set2_1, /* set line speed */ - .set_cable_length = lmc_dummy_set_1, /* set cable length */ - .set_scrambler = lmc_dummy_set_1, /* set scrambler */ - .get_link_status = lmc_t1_get_link_status, /* get link status */ - .set_link_status = lmc_dummy_set_1, /* set link status */ - .set_crc_length = lmc_t1_set_crc_length, /* set CRC length */ - .set_circuit_type = lmc_t1_set_circuit_type, /* set T1 or E1 circuit type */ - .watchdog = lmc_t1_watchdog -}; - -static void -lmc_dummy_set_1 (lmc_softc_t * const sc, int a) -{ -} - -static void -lmc_dummy_set2_1 (lmc_softc_t * const sc, lmc_ctl_t * a) -{ -} - -/* - * HSSI methods - */ - -static void -lmc_hssi_init (lmc_softc_t * const sc) -{ - sc->ictl.cardtype = LMC_CTL_CARDTYPE_LMC5200; - - lmc_gpio_mkoutput (sc, LMC_GEP_HSSI_CLOCK); -} - -static void -lmc_hssi_default (lmc_softc_t * const sc) -{ - sc->lmc_miireg16 = LMC_MII16_LED_ALL; - - sc->lmc_media->set_link_status (sc, LMC_LINK_DOWN); - sc->lmc_media->set_clock_source (sc, LMC_CTL_CLOCK_SOURCE_EXT); - sc->lmc_media->set_crc_length (sc, LMC_CTL_CRC_LENGTH_16); -} - -/* - * Given a user provided state, set ourselves up to match it. This will - * always reset the card if needed. - */ -static void -lmc_hssi_set_status (lmc_softc_t * const sc, lmc_ctl_t * ctl) -{ - if (ctl == NULL) - { - sc->lmc_media->set_clock_source (sc, sc->ictl.clock_source); - lmc_set_protocol (sc, NULL); - - return; - } - - /* - * check for change in clock source - */ - if (ctl->clock_source && !sc->ictl.clock_source) - { - sc->lmc_media->set_clock_source (sc, LMC_CTL_CLOCK_SOURCE_INT); - sc->lmc_timing = LMC_CTL_CLOCK_SOURCE_INT; - } - else if (!ctl->clock_source && sc->ictl.clock_source) - { - sc->lmc_timing = LMC_CTL_CLOCK_SOURCE_EXT; - sc->lmc_media->set_clock_source (sc, LMC_CTL_CLOCK_SOURCE_EXT); - } - - lmc_set_protocol (sc, ctl); -} - -/* - * 1 == internal, 0 == external - */ -static void -lmc_hssi_set_clock (lmc_softc_t * const sc, int ie) -{ - int old; - old = sc->ictl.clock_source; - if (ie == LMC_CTL_CLOCK_SOURCE_EXT) - { - sc->lmc_gpio |= LMC_GEP_HSSI_CLOCK; - LMC_CSR_WRITE (sc, csr_gp, sc->lmc_gpio); - sc->ictl.clock_source = LMC_CTL_CLOCK_SOURCE_EXT; - if(old != ie) - printk (LMC_PRINTF_FMT ": clock external\n", LMC_PRINTF_ARGS); - } - else - { - sc->lmc_gpio &= ~(LMC_GEP_HSSI_CLOCK); - LMC_CSR_WRITE (sc, csr_gp, sc->lmc_gpio); - sc->ictl.clock_source = LMC_CTL_CLOCK_SOURCE_INT; - if(old != ie) - printk (LMC_PRINTF_FMT ": clock internal\n", LMC_PRINTF_ARGS); - } -} - -/* - * return hardware link status. - * 0 == link is down, 1 == link is up. - */ -static int -lmc_hssi_get_link_status (lmc_softc_t * const sc) -{ - /* - * We're using the same code as SSI since - * they're practically the same - */ - return lmc_ssi_get_link_status(sc); -} - -static void -lmc_hssi_set_link_status (lmc_softc_t * const sc, int state) -{ - if (state == LMC_LINK_UP) - sc->lmc_miireg16 |= LMC_MII16_HSSI_TA; - else - sc->lmc_miireg16 &= ~LMC_MII16_HSSI_TA; - - lmc_mii_writereg (sc, 0, 16, sc->lmc_miireg16); -} - -/* - * 0 == 16bit, 1 == 32bit - */ -static void -lmc_hssi_set_crc_length (lmc_softc_t * const sc, int state) -{ - if (state == LMC_CTL_CRC_LENGTH_32) - { - /* 32 bit */ - sc->lmc_miireg16 |= LMC_MII16_HSSI_CRC; - sc->ictl.crc_length = LMC_CTL_CRC_LENGTH_32; - } - else - { - /* 16 bit */ - sc->lmc_miireg16 &= ~LMC_MII16_HSSI_CRC; - sc->ictl.crc_length = LMC_CTL_CRC_LENGTH_16; - } - - lmc_mii_writereg (sc, 0, 16, sc->lmc_miireg16); -} - -static void -lmc_hssi_watchdog (lmc_softc_t * const sc) -{ - /* HSSI is blank */ -} - -/* - * DS3 methods - */ - -/* - * Set cable length - */ -static void -lmc_ds3_set_100ft (lmc_softc_t * const sc, int ie) -{ - if (ie == LMC_CTL_CABLE_LENGTH_GT_100FT) - { - sc->lmc_miireg16 &= ~LMC_MII16_DS3_ZERO; - sc->ictl.cable_length = LMC_CTL_CABLE_LENGTH_GT_100FT; - } - else if (ie == LMC_CTL_CABLE_LENGTH_LT_100FT) - { - sc->lmc_miireg16 |= LMC_MII16_DS3_ZERO; - sc->ictl.cable_length = LMC_CTL_CABLE_LENGTH_LT_100FT; - } - lmc_mii_writereg (sc, 0, 16, sc->lmc_miireg16); -} - -static void -lmc_ds3_default (lmc_softc_t * const sc) -{ - sc->lmc_miireg16 = LMC_MII16_LED_ALL; - - sc->lmc_media->set_link_status (sc, LMC_LINK_DOWN); - sc->lmc_media->set_cable_length (sc, LMC_CTL_CABLE_LENGTH_LT_100FT); - sc->lmc_media->set_scrambler (sc, LMC_CTL_OFF); - sc->lmc_media->set_crc_length (sc, LMC_CTL_CRC_LENGTH_16); -} - -/* - * Given a user provided state, set ourselves up to match it. This will - * always reset the card if needed. - */ -static void -lmc_ds3_set_status (lmc_softc_t * const sc, lmc_ctl_t * ctl) -{ - if (ctl == NULL) - { - sc->lmc_media->set_cable_length (sc, sc->ictl.cable_length); - sc->lmc_media->set_scrambler (sc, sc->ictl.scrambler_onoff); - lmc_set_protocol (sc, NULL); - - return; - } - - /* - * check for change in cable length setting - */ - if (ctl->cable_length && !sc->ictl.cable_length) - lmc_ds3_set_100ft (sc, LMC_CTL_CABLE_LENGTH_GT_100FT); - else if (!ctl->cable_length && sc->ictl.cable_length) - lmc_ds3_set_100ft (sc, LMC_CTL_CABLE_LENGTH_LT_100FT); - - /* - * Check for change in scrambler setting (requires reset) - */ - if (ctl->scrambler_onoff && !sc->ictl.scrambler_onoff) - lmc_ds3_set_scram (sc, LMC_CTL_ON); - else if (!ctl->scrambler_onoff && sc->ictl.scrambler_onoff) - lmc_ds3_set_scram (sc, LMC_CTL_OFF); - - lmc_set_protocol (sc, ctl); -} - -static void -lmc_ds3_init (lmc_softc_t * const sc) -{ - int i; - - sc->ictl.cardtype = LMC_CTL_CARDTYPE_LMC5245; - - /* writes zeros everywhere */ - for (i = 0; i < 21; i++) - { - lmc_mii_writereg (sc, 0, 17, i); - lmc_mii_writereg (sc, 0, 18, 0); - } - - /* set some essential bits */ - lmc_mii_writereg (sc, 0, 17, 1); - lmc_mii_writereg (sc, 0, 18, 0x25); /* ser, xtx */ - - lmc_mii_writereg (sc, 0, 17, 5); - lmc_mii_writereg (sc, 0, 18, 0x80); /* emode */ - - lmc_mii_writereg (sc, 0, 17, 14); - lmc_mii_writereg (sc, 0, 18, 0x30); /* rcgen, tcgen */ - - /* clear counters and latched bits */ - for (i = 0; i < 21; i++) - { - lmc_mii_writereg (sc, 0, 17, i); - lmc_mii_readreg (sc, 0, 18); - } -} - -/* - * 1 == DS3 payload scrambled, 0 == not scrambled - */ -static void -lmc_ds3_set_scram (lmc_softc_t * const sc, int ie) -{ - if (ie == LMC_CTL_ON) - { - sc->lmc_miireg16 |= LMC_MII16_DS3_SCRAM; - sc->ictl.scrambler_onoff = LMC_CTL_ON; - } - else - { - sc->lmc_miireg16 &= ~LMC_MII16_DS3_SCRAM; - sc->ictl.scrambler_onoff = LMC_CTL_OFF; - } - lmc_mii_writereg (sc, 0, 16, sc->lmc_miireg16); -} - -/* - * return hardware link status. - * 0 == link is down, 1 == link is up. - */ -static int -lmc_ds3_get_link_status (lmc_softc_t * const sc) -{ - u16 link_status, link_status_11; - int ret = 1; - - lmc_mii_writereg (sc, 0, 17, 7); - link_status = lmc_mii_readreg (sc, 0, 18); - - /* LMC5245 (DS3) & LMC1200 (DS1) LED definitions - * led0 yellow = far-end adapter is in Red alarm condition - * led1 blue = received an Alarm Indication signal - * (upstream failure) - * led2 Green = power to adapter, Gate Array loaded & driver - * attached - * led3 red = Loss of Signal (LOS) or out of frame (OOF) - * conditions detected on T3 receive signal - */ - - lmc_led_on(sc, LMC_DS3_LED2); - - if ((link_status & LMC_FRAMER_REG0_DLOS) || - (link_status & LMC_FRAMER_REG0_OOFS)){ - ret = 0; - if(sc->last_led_err[3] != 1){ - u16 r1; - lmc_mii_writereg (sc, 0, 17, 01); /* Turn on Xbit error as our cisco does */ - r1 = lmc_mii_readreg (sc, 0, 18); - r1 &= 0xfe; - lmc_mii_writereg(sc, 0, 18, r1); - printk(KERN_WARNING "%s: Red Alarm - Loss of Signal or Loss of Framing\n", sc->name); - } - lmc_led_on(sc, LMC_DS3_LED3); /* turn on red LED */ - sc->last_led_err[3] = 1; - } - else { - lmc_led_off(sc, LMC_DS3_LED3); /* turn on red LED */ - if(sc->last_led_err[3] == 1){ - u16 r1; - lmc_mii_writereg (sc, 0, 17, 01); /* Turn off Xbit error */ - r1 = lmc_mii_readreg (sc, 0, 18); - r1 |= 0x01; - lmc_mii_writereg(sc, 0, 18, r1); - } - sc->last_led_err[3] = 0; - } - - lmc_mii_writereg(sc, 0, 17, 0x10); - link_status_11 = lmc_mii_readreg(sc, 0, 18); - if((link_status & LMC_FRAMER_REG0_AIS) || - (link_status_11 & LMC_FRAMER_REG10_XBIT)) { - ret = 0; - if(sc->last_led_err[0] != 1){ - printk(KERN_WARNING "%s: AIS Alarm or XBit Error\n", sc->name); - printk(KERN_WARNING "%s: Remote end has loss of signal or framing\n", sc->name); - } - lmc_led_on(sc, LMC_DS3_LED0); - sc->last_led_err[0] = 1; - } - else { - lmc_led_off(sc, LMC_DS3_LED0); - sc->last_led_err[0] = 0; - } - - lmc_mii_writereg (sc, 0, 17, 9); - link_status = lmc_mii_readreg (sc, 0, 18); - - if(link_status & LMC_FRAMER_REG9_RBLUE){ - ret = 0; - if(sc->last_led_err[1] != 1){ - printk(KERN_WARNING "%s: Blue Alarm - Receiving all 1's\n", sc->name); - } - lmc_led_on(sc, LMC_DS3_LED1); - sc->last_led_err[1] = 1; - } - else { - lmc_led_off(sc, LMC_DS3_LED1); - sc->last_led_err[1] = 0; - } - - return ret; -} - -/* - * 0 == 16bit, 1 == 32bit - */ -static void -lmc_ds3_set_crc_length (lmc_softc_t * const sc, int state) -{ - if (state == LMC_CTL_CRC_LENGTH_32) - { - /* 32 bit */ - sc->lmc_miireg16 |= LMC_MII16_DS3_CRC; - sc->ictl.crc_length = LMC_CTL_CRC_LENGTH_32; - } - else - { - /* 16 bit */ - sc->lmc_miireg16 &= ~LMC_MII16_DS3_CRC; - sc->ictl.crc_length = LMC_CTL_CRC_LENGTH_16; - } - - lmc_mii_writereg (sc, 0, 16, sc->lmc_miireg16); -} - -static void -lmc_ds3_watchdog (lmc_softc_t * const sc) -{ - -} - - -/* - * SSI methods - */ - -static void lmc_ssi_init(lmc_softc_t * const sc) -{ - u16 mii17; - int cable; - - sc->ictl.cardtype = LMC_CTL_CARDTYPE_LMC1000; - - mii17 = lmc_mii_readreg(sc, 0, 17); - - cable = (mii17 & LMC_MII17_SSI_CABLE_MASK) >> LMC_MII17_SSI_CABLE_SHIFT; - sc->ictl.cable_type = cable; - - lmc_gpio_mkoutput(sc, LMC_GEP_SSI_TXCLOCK); -} - -static void -lmc_ssi_default (lmc_softc_t * const sc) -{ - sc->lmc_miireg16 = LMC_MII16_LED_ALL; - - /* - * make TXCLOCK always be an output - */ - lmc_gpio_mkoutput (sc, LMC_GEP_SSI_TXCLOCK); - - sc->lmc_media->set_link_status (sc, LMC_LINK_DOWN); - sc->lmc_media->set_clock_source (sc, LMC_CTL_CLOCK_SOURCE_EXT); - sc->lmc_media->set_speed (sc, NULL); - sc->lmc_media->set_crc_length (sc, LMC_CTL_CRC_LENGTH_16); -} - -/* - * Given a user provided state, set ourselves up to match it. This will - * always reset the card if needed. - */ -static void -lmc_ssi_set_status (lmc_softc_t * const sc, lmc_ctl_t * ctl) -{ - if (ctl == NULL) - { - sc->lmc_media->set_clock_source (sc, sc->ictl.clock_source); - sc->lmc_media->set_speed (sc, &sc->ictl); - lmc_set_protocol (sc, NULL); - - return; - } - - /* - * check for change in clock source - */ - if (ctl->clock_source == LMC_CTL_CLOCK_SOURCE_INT - && sc->ictl.clock_source == LMC_CTL_CLOCK_SOURCE_EXT) - { - sc->lmc_media->set_clock_source (sc, LMC_CTL_CLOCK_SOURCE_INT); - sc->lmc_timing = LMC_CTL_CLOCK_SOURCE_INT; - } - else if (ctl->clock_source == LMC_CTL_CLOCK_SOURCE_EXT - && sc->ictl.clock_source == LMC_CTL_CLOCK_SOURCE_INT) - { - sc->lmc_media->set_clock_source (sc, LMC_CTL_CLOCK_SOURCE_EXT); - sc->lmc_timing = LMC_CTL_CLOCK_SOURCE_EXT; - } - - if (ctl->clock_rate != sc->ictl.clock_rate) - sc->lmc_media->set_speed (sc, ctl); - - lmc_set_protocol (sc, ctl); -} - -/* - * 1 == internal, 0 == external - */ -static void -lmc_ssi_set_clock (lmc_softc_t * const sc, int ie) -{ - int old; - old = ie; - if (ie == LMC_CTL_CLOCK_SOURCE_EXT) - { - sc->lmc_gpio &= ~(LMC_GEP_SSI_TXCLOCK); - LMC_CSR_WRITE (sc, csr_gp, sc->lmc_gpio); - sc->ictl.clock_source = LMC_CTL_CLOCK_SOURCE_EXT; - if(ie != old) - printk (LMC_PRINTF_FMT ": clock external\n", LMC_PRINTF_ARGS); - } - else - { - sc->lmc_gpio |= LMC_GEP_SSI_TXCLOCK; - LMC_CSR_WRITE (sc, csr_gp, sc->lmc_gpio); - sc->ictl.clock_source = LMC_CTL_CLOCK_SOURCE_INT; - if(ie != old) - printk (LMC_PRINTF_FMT ": clock internal\n", LMC_PRINTF_ARGS); - } -} - -static void -lmc_ssi_set_speed (lmc_softc_t * const sc, lmc_ctl_t * ctl) -{ - lmc_ctl_t *ictl = &sc->ictl; - lmc_av9110_t *av; - - /* original settings for clock rate of: - * 100 Khz (8,25,0,0,2) were incorrect - * they should have been 80,125,1,3,3 - * There are 17 param combinations to produce this freq. - * For 1.5 Mhz use 120,100,1,1,2 (226 param. combinations) - */ - if (ctl == NULL) - { - av = &ictl->cardspec.ssi; - ictl->clock_rate = 1500000; - av->f = ictl->clock_rate; - av->n = 120; - av->m = 100; - av->v = 1; - av->x = 1; - av->r = 2; - - write_av9110 (sc, av->n, av->m, av->v, av->x, av->r); - return; - } - - av = &ctl->cardspec.ssi; - - if (av->f == 0) - return; - - ictl->clock_rate = av->f; /* really, this is the rate we are */ - ictl->cardspec.ssi = *av; - - write_av9110 (sc, av->n, av->m, av->v, av->x, av->r); -} - -/* - * return hardware link status. - * 0 == link is down, 1 == link is up. - */ -static int -lmc_ssi_get_link_status (lmc_softc_t * const sc) -{ - u16 link_status; - u32 ticks; - int ret = 1; - int hw_hdsk = 1; - - /* - * missing CTS? Hmm. If we require CTS on, we may never get the - * link to come up, so omit it in this test. - * - * Also, it seems that with a loopback cable, DCD isn't asserted, - * so just check for things like this: - * DSR _must_ be asserted. - * One of DCD or CTS must be asserted. - */ - - /* LMC 1000 (SSI) LED definitions - * led0 Green = power to adapter, Gate Array loaded & - * driver attached - * led1 Green = DSR and DTR and RTS and CTS are set - * led2 Green = Cable detected - * led3 red = No timing is available from the - * cable or the on-board frequency - * generator. - */ - - link_status = lmc_mii_readreg (sc, 0, 16); - - /* Is the transmit clock still available */ - ticks = LMC_CSR_READ (sc, csr_gp_timer); - ticks = 0x0000ffff - (ticks & 0x0000ffff); - - lmc_led_on (sc, LMC_MII16_LED0); - - /* ====== transmit clock determination ===== */ - if (sc->lmc_timing == LMC_CTL_CLOCK_SOURCE_INT) { - lmc_led_off(sc, LMC_MII16_LED3); - } - else if (ticks == 0 ) { /* no clock found ? */ - ret = 0; - if (sc->last_led_err[3] != 1) { - sc->extra_stats.tx_lossOfClockCnt++; - printk(KERN_WARNING "%s: Lost Clock, Link Down\n", sc->name); - } - sc->last_led_err[3] = 1; - lmc_led_on (sc, LMC_MII16_LED3); /* turn ON red LED */ - } - else { - if(sc->last_led_err[3] == 1) - printk(KERN_WARNING "%s: Clock Returned\n", sc->name); - sc->last_led_err[3] = 0; - lmc_led_off (sc, LMC_MII16_LED3); /* turn OFF red LED */ - } - - if ((link_status & LMC_MII16_SSI_DSR) == 0) { /* Also HSSI CA */ - ret = 0; - hw_hdsk = 0; - } - -#ifdef CONFIG_LMC_IGNORE_HARDWARE_HANDSHAKE - if ((link_status & (LMC_MII16_SSI_CTS | LMC_MII16_SSI_DCD)) == 0){ - ret = 0; - hw_hdsk = 0; - } -#endif - - if(hw_hdsk == 0){ - if(sc->last_led_err[1] != 1) - printk(KERN_WARNING "%s: DSR not asserted\n", sc->name); - sc->last_led_err[1] = 1; - lmc_led_off(sc, LMC_MII16_LED1); - } - else { - if(sc->last_led_err[1] != 0) - printk(KERN_WARNING "%s: DSR now asserted\n", sc->name); - sc->last_led_err[1] = 0; - lmc_led_on(sc, LMC_MII16_LED1); - } - - if(ret == 1) { - lmc_led_on(sc, LMC_MII16_LED2); /* Over all good status? */ - } - - return ret; -} - -static void -lmc_ssi_set_link_status (lmc_softc_t * const sc, int state) -{ - if (state == LMC_LINK_UP) - { - sc->lmc_miireg16 |= (LMC_MII16_SSI_DTR | LMC_MII16_SSI_RTS); - printk (LMC_PRINTF_FMT ": asserting DTR and RTS\n", LMC_PRINTF_ARGS); - } - else - { - sc->lmc_miireg16 &= ~(LMC_MII16_SSI_DTR | LMC_MII16_SSI_RTS); - printk (LMC_PRINTF_FMT ": deasserting DTR and RTS\n", LMC_PRINTF_ARGS); - } - - lmc_mii_writereg (sc, 0, 16, sc->lmc_miireg16); - -} - -/* - * 0 == 16bit, 1 == 32bit - */ -static void -lmc_ssi_set_crc_length (lmc_softc_t * const sc, int state) -{ - if (state == LMC_CTL_CRC_LENGTH_32) - { - /* 32 bit */ - sc->lmc_miireg16 |= LMC_MII16_SSI_CRC; - sc->ictl.crc_length = LMC_CTL_CRC_LENGTH_32; - sc->lmc_crcSize = LMC_CTL_CRC_BYTESIZE_4; - - } - else - { - /* 16 bit */ - sc->lmc_miireg16 &= ~LMC_MII16_SSI_CRC; - sc->ictl.crc_length = LMC_CTL_CRC_LENGTH_16; - sc->lmc_crcSize = LMC_CTL_CRC_BYTESIZE_2; - } - - lmc_mii_writereg (sc, 0, 16, sc->lmc_miireg16); -} - -/* - * These are bits to program the ssi frequency generator - */ -static inline void -write_av9110_bit (lmc_softc_t * sc, int c) -{ - /* - * set the data bit as we need it. - */ - sc->lmc_gpio &= ~(LMC_GEP_CLK); - if (c & 0x01) - sc->lmc_gpio |= LMC_GEP_DATA; - else - sc->lmc_gpio &= ~(LMC_GEP_DATA); - LMC_CSR_WRITE (sc, csr_gp, sc->lmc_gpio); - - /* - * set the clock to high - */ - sc->lmc_gpio |= LMC_GEP_CLK; - LMC_CSR_WRITE (sc, csr_gp, sc->lmc_gpio); - - /* - * set the clock to low again. - */ - sc->lmc_gpio &= ~(LMC_GEP_CLK); - LMC_CSR_WRITE (sc, csr_gp, sc->lmc_gpio); -} - -static void write_av9110(lmc_softc_t *sc, u32 n, u32 m, u32 v, u32 x, u32 r) -{ - int i; - -#if 0 - printk (LMC_PRINTF_FMT ": speed %u, %d %d %d %d %d\n", - LMC_PRINTF_ARGS, sc->ictl.clock_rate, n, m, v, x, r); -#endif - - sc->lmc_gpio |= LMC_GEP_SSI_GENERATOR; - sc->lmc_gpio &= ~(LMC_GEP_DATA | LMC_GEP_CLK); - LMC_CSR_WRITE (sc, csr_gp, sc->lmc_gpio); - - /* - * Set the TXCLOCK, GENERATOR, SERIAL, and SERIALCLK - * as outputs. - */ - lmc_gpio_mkoutput (sc, (LMC_GEP_DATA | LMC_GEP_CLK - | LMC_GEP_SSI_GENERATOR)); - - sc->lmc_gpio &= ~(LMC_GEP_SSI_GENERATOR); - LMC_CSR_WRITE (sc, csr_gp, sc->lmc_gpio); - - /* - * a shifting we will go... - */ - for (i = 0; i < 7; i++) - write_av9110_bit (sc, n >> i); - for (i = 0; i < 7; i++) - write_av9110_bit (sc, m >> i); - for (i = 0; i < 1; i++) - write_av9110_bit (sc, v >> i); - for (i = 0; i < 2; i++) - write_av9110_bit (sc, x >> i); - for (i = 0; i < 2; i++) - write_av9110_bit (sc, r >> i); - for (i = 0; i < 5; i++) - write_av9110_bit (sc, 0x17 >> i); - - /* - * stop driving serial-related signals - */ - lmc_gpio_mkinput (sc, - (LMC_GEP_DATA | LMC_GEP_CLK - | LMC_GEP_SSI_GENERATOR)); -} - -static void lmc_ssi_watchdog(lmc_softc_t * const sc) -{ - u16 mii17 = lmc_mii_readreg(sc, 0, 17); - if (((mii17 >> 3) & 7) == 7) - lmc_led_off(sc, LMC_MII16_LED2); - else - lmc_led_on(sc, LMC_MII16_LED2); -} - -/* - * T1 methods - */ - -/* - * The framer regs are multiplexed through MII regs 17 & 18 - * write the register address to MII reg 17 and the * data to MII reg 18. */ -static void -lmc_t1_write (lmc_softc_t * const sc, int a, int d) -{ - lmc_mii_writereg (sc, 0, 17, a); - lmc_mii_writereg (sc, 0, 18, d); -} - -/* Save a warning -static int -lmc_t1_read (lmc_softc_t * const sc, int a) -{ - lmc_mii_writereg (sc, 0, 17, a); - return lmc_mii_readreg (sc, 0, 18); -} -*/ - - -static void -lmc_t1_init (lmc_softc_t * const sc) -{ - u16 mii16; - int i; - - sc->ictl.cardtype = LMC_CTL_CARDTYPE_LMC1200; - mii16 = lmc_mii_readreg (sc, 0, 16); - - /* reset 8370 */ - mii16 &= ~LMC_MII16_T1_RST; - lmc_mii_writereg (sc, 0, 16, mii16 | LMC_MII16_T1_RST); - lmc_mii_writereg (sc, 0, 16, mii16); - - /* set T1 or E1 line. Uses sc->lmcmii16 reg in function so update it */ - sc->lmc_miireg16 = mii16; - lmc_t1_set_circuit_type(sc, LMC_CTL_CIRCUIT_TYPE_T1); - mii16 = sc->lmc_miireg16; - - lmc_t1_write (sc, 0x01, 0x1B); /* CR0 - primary control */ - lmc_t1_write (sc, 0x02, 0x42); /* JAT_CR - jitter atten config */ - lmc_t1_write (sc, 0x14, 0x00); /* LOOP - loopback config */ - lmc_t1_write (sc, 0x15, 0x00); /* DL3_TS - external data link timeslot */ - lmc_t1_write (sc, 0x18, 0xFF); /* PIO - programmable I/O */ - lmc_t1_write (sc, 0x19, 0x30); /* POE - programmable OE */ - lmc_t1_write (sc, 0x1A, 0x0F); /* CMUX - clock input mux */ - lmc_t1_write (sc, 0x20, 0x41); /* LIU_CR - RX LIU config */ - lmc_t1_write (sc, 0x22, 0x76); /* RLIU_CR - RX LIU config */ - lmc_t1_write (sc, 0x40, 0x03); /* RCR0 - RX config */ - lmc_t1_write (sc, 0x45, 0x00); /* RALM - RX alarm config */ - lmc_t1_write (sc, 0x46, 0x05); /* LATCH - RX alarm/err/cntr latch */ - lmc_t1_write (sc, 0x68, 0x40); /* TLIU_CR - TX LIU config */ - lmc_t1_write (sc, 0x70, 0x0D); /* TCR0 - TX framer config */ - lmc_t1_write (sc, 0x71, 0x05); /* TCR1 - TX config */ - lmc_t1_write (sc, 0x72, 0x0B); /* TFRM - TX frame format */ - lmc_t1_write (sc, 0x73, 0x00); /* TERROR - TX error insert */ - lmc_t1_write (sc, 0x74, 0x00); /* TMAN - TX manual Sa/FEBE config */ - lmc_t1_write (sc, 0x75, 0x00); /* TALM - TX alarm signal config */ - lmc_t1_write (sc, 0x76, 0x00); /* TPATT - TX test pattern config */ - lmc_t1_write (sc, 0x77, 0x00); /* TLB - TX inband loopback config */ - lmc_t1_write (sc, 0x90, 0x05); /* CLAD_CR - clock rate adapter config */ - lmc_t1_write (sc, 0x91, 0x05); /* CSEL - clad freq sel */ - lmc_t1_write (sc, 0xA6, 0x00); /* DL1_CTL - DL1 control */ - lmc_t1_write (sc, 0xB1, 0x00); /* DL2_CTL - DL2 control */ - lmc_t1_write (sc, 0xD0, 0x47); /* SBI_CR - sys bus iface config */ - lmc_t1_write (sc, 0xD1, 0x70); /* RSB_CR - RX sys bus config */ - lmc_t1_write (sc, 0xD4, 0x30); /* TSB_CR - TX sys bus config */ - for (i = 0; i < 32; i++) - { - lmc_t1_write (sc, 0x0E0 + i, 0x00); /* SBCn - sys bus per-channel ctl */ - lmc_t1_write (sc, 0x100 + i, 0x00); /* TPCn - TX per-channel ctl */ - lmc_t1_write (sc, 0x180 + i, 0x00); /* RPCn - RX per-channel ctl */ - } - for (i = 1; i < 25; i++) - { - lmc_t1_write (sc, 0x0E0 + i, 0x0D); /* SBCn - sys bus per-channel ctl */ - } - - mii16 |= LMC_MII16_T1_XOE; - lmc_mii_writereg (sc, 0, 16, mii16); - sc->lmc_miireg16 = mii16; -} - -static void -lmc_t1_default (lmc_softc_t * const sc) -{ - sc->lmc_miireg16 = LMC_MII16_LED_ALL; - sc->lmc_media->set_link_status (sc, LMC_LINK_DOWN); - sc->lmc_media->set_circuit_type (sc, LMC_CTL_CIRCUIT_TYPE_T1); - sc->lmc_media->set_crc_length (sc, LMC_CTL_CRC_LENGTH_16); - /* Right now we can only clock from out internal source */ - sc->ictl.clock_source = LMC_CTL_CLOCK_SOURCE_INT; -} -/* * Given a user provided state, set ourselves up to match it. This will * always reset the card if needed. - */ -static void -lmc_t1_set_status (lmc_softc_t * const sc, lmc_ctl_t * ctl) -{ - if (ctl == NULL) - { - sc->lmc_media->set_circuit_type (sc, sc->ictl.circuit_type); - lmc_set_protocol (sc, NULL); - - return; - } - /* - * check for change in circuit type */ - if (ctl->circuit_type == LMC_CTL_CIRCUIT_TYPE_T1 - && sc->ictl.circuit_type == - LMC_CTL_CIRCUIT_TYPE_E1) sc->lmc_media->set_circuit_type (sc, - LMC_CTL_CIRCUIT_TYPE_E1); - else if (ctl->circuit_type == LMC_CTL_CIRCUIT_TYPE_E1 - && sc->ictl.circuit_type == LMC_CTL_CIRCUIT_TYPE_T1) - sc->lmc_media->set_circuit_type (sc, LMC_CTL_CIRCUIT_TYPE_T1); - lmc_set_protocol (sc, ctl); -} -/* - * return hardware link status. - * 0 == link is down, 1 == link is up. - */ static int -lmc_t1_get_link_status (lmc_softc_t * const sc) -{ - u16 link_status; - int ret = 1; - - /* LMC5245 (DS3) & LMC1200 (DS1) LED definitions - * led0 yellow = far-end adapter is in Red alarm condition - * led1 blue = received an Alarm Indication signal - * (upstream failure) - * led2 Green = power to adapter, Gate Array loaded & driver - * attached - * led3 red = Loss of Signal (LOS) or out of frame (OOF) - * conditions detected on T3 receive signal - */ - lmc_led_on(sc, LMC_DS3_LED2); - - lmc_mii_writereg (sc, 0, 17, T1FRAMER_ALARM1_STATUS); - link_status = lmc_mii_readreg (sc, 0, 18); - - - if (link_status & T1F_RAIS) { /* turn on blue LED */ - ret = 0; - if(sc->last_led_err[1] != 1){ - printk(KERN_WARNING "%s: Receive AIS/Blue Alarm. Far end in RED alarm\n", sc->name); - } - lmc_led_on(sc, LMC_DS3_LED1); - sc->last_led_err[1] = 1; - } - else { - if(sc->last_led_err[1] != 0){ - printk(KERN_WARNING "%s: End AIS/Blue Alarm\n", sc->name); - } - lmc_led_off (sc, LMC_DS3_LED1); - sc->last_led_err[1] = 0; - } - - /* - * Yellow Alarm is nasty evil stuff, looks at data patterns - * inside the channel and confuses it with HDLC framing - * ignore all yellow alarms. - * - * Do listen to MultiFrame Yellow alarm which while implemented - * different ways isn't in the channel and hence somewhat - * more reliable - */ - - if (link_status & T1F_RMYEL) { - ret = 0; - if(sc->last_led_err[0] != 1){ - printk(KERN_WARNING "%s: Receive Yellow AIS Alarm\n", sc->name); - } - lmc_led_on(sc, LMC_DS3_LED0); - sc->last_led_err[0] = 1; - } - else { - if(sc->last_led_err[0] != 0){ - printk(KERN_WARNING "%s: End of Yellow AIS Alarm\n", sc->name); - } - lmc_led_off(sc, LMC_DS3_LED0); - sc->last_led_err[0] = 0; - } - - /* - * Loss of signal and los of frame - * Use the green bit to identify which one lit the led - */ - if(link_status & T1F_RLOF){ - ret = 0; - if(sc->last_led_err[3] != 1){ - printk(KERN_WARNING "%s: Local Red Alarm: Loss of Framing\n", sc->name); - } - lmc_led_on(sc, LMC_DS3_LED3); - sc->last_led_err[3] = 1; - - } - else { - if(sc->last_led_err[3] != 0){ - printk(KERN_WARNING "%s: End Red Alarm (LOF)\n", sc->name); - } - if( ! (link_status & T1F_RLOS)) - lmc_led_off(sc, LMC_DS3_LED3); - sc->last_led_err[3] = 0; - } - - if(link_status & T1F_RLOS){ - ret = 0; - if(sc->last_led_err[2] != 1){ - printk(KERN_WARNING "%s: Local Red Alarm: Loss of Signal\n", sc->name); - } - lmc_led_on(sc, LMC_DS3_LED3); - sc->last_led_err[2] = 1; - - } - else { - if(sc->last_led_err[2] != 0){ - printk(KERN_WARNING "%s: End Red Alarm (LOS)\n", sc->name); - } - if( ! (link_status & T1F_RLOF)) - lmc_led_off(sc, LMC_DS3_LED3); - sc->last_led_err[2] = 0; - } - - sc->lmc_xinfo.t1_alarm1_status = link_status; - - lmc_mii_writereg (sc, 0, 17, T1FRAMER_ALARM2_STATUS); - sc->lmc_xinfo.t1_alarm2_status = lmc_mii_readreg (sc, 0, 18); - - return ret; -} - -/* - * 1 == T1 Circuit Type , 0 == E1 Circuit Type - */ -static void -lmc_t1_set_circuit_type (lmc_softc_t * const sc, int ie) -{ - if (ie == LMC_CTL_CIRCUIT_TYPE_T1) { - sc->lmc_miireg16 |= LMC_MII16_T1_Z; - sc->ictl.circuit_type = LMC_CTL_CIRCUIT_TYPE_T1; - printk(KERN_INFO "%s: In T1 Mode\n", sc->name); - } - else { - sc->lmc_miireg16 &= ~LMC_MII16_T1_Z; - sc->ictl.circuit_type = LMC_CTL_CIRCUIT_TYPE_E1; - printk(KERN_INFO "%s: In E1 Mode\n", sc->name); - } - - lmc_mii_writereg (sc, 0, 16, sc->lmc_miireg16); - -} - -/* - * 0 == 16bit, 1 == 32bit */ -static void -lmc_t1_set_crc_length (lmc_softc_t * const sc, int state) -{ - if (state == LMC_CTL_CRC_LENGTH_32) - { - /* 32 bit */ - sc->lmc_miireg16 |= LMC_MII16_T1_CRC; - sc->ictl.crc_length = LMC_CTL_CRC_LENGTH_32; - sc->lmc_crcSize = LMC_CTL_CRC_BYTESIZE_4; - - } - else - { - /* 16 bit */ sc->lmc_miireg16 &= ~LMC_MII16_T1_CRC; - sc->ictl.crc_length = LMC_CTL_CRC_LENGTH_16; - sc->lmc_crcSize = LMC_CTL_CRC_BYTESIZE_2; - - } - - lmc_mii_writereg (sc, 0, 16, sc->lmc_miireg16); -} - -/* - * 1 == internal, 0 == external - */ -static void -lmc_t1_set_clock (lmc_softc_t * const sc, int ie) -{ - int old; - old = ie; - if (ie == LMC_CTL_CLOCK_SOURCE_EXT) - { - sc->lmc_gpio &= ~(LMC_GEP_SSI_TXCLOCK); - LMC_CSR_WRITE (sc, csr_gp, sc->lmc_gpio); - sc->ictl.clock_source = LMC_CTL_CLOCK_SOURCE_EXT; - if(old != ie) - printk (LMC_PRINTF_FMT ": clock external\n", LMC_PRINTF_ARGS); - } - else - { - sc->lmc_gpio |= LMC_GEP_SSI_TXCLOCK; - LMC_CSR_WRITE (sc, csr_gp, sc->lmc_gpio); - sc->ictl.clock_source = LMC_CTL_CLOCK_SOURCE_INT; - if(old != ie) - printk (LMC_PRINTF_FMT ": clock internal\n", LMC_PRINTF_ARGS); - } -} - -static void -lmc_t1_watchdog (lmc_softc_t * const sc) -{ -} - -static void -lmc_set_protocol (lmc_softc_t * const sc, lmc_ctl_t * ctl) -{ - if (!ctl) - sc->ictl.keepalive_onoff = LMC_CTL_ON; -} diff --git a/drivers/net/wan/lmc/lmc_proto.c b/drivers/net/wan/lmc/lmc_proto.c deleted file mode 100644 index e5487616a816..000000000000 --- a/drivers/net/wan/lmc/lmc_proto.c +++ /dev/null @@ -1,106 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-only - /* - * Copyright (c) 1997-2000 LAN Media Corporation (LMC) - * All rights reserved. www.lanmedia.com - * - * This code is written by: - * Andrew Stanley-Jones (asj@cban.com) - * Rob Braun (bbraun@vix.com), - * Michael Graff (explorer@vix.com) and - * Matt Thomas (matt@3am-software.com). - * - * With Help By: - * David Boggs - * Ron Crane - * Allan Cox - * - * Driver for the LanMedia LMC5200, LMC5245, LMC1000, LMC1200 cards. - */ - -#include <linux/kernel.h> -#include <linux/string.h> -#include <linux/timer.h> -#include <linux/ptrace.h> -#include <linux/errno.h> -#include <linux/ioport.h> -#include <linux/interrupt.h> -#include <linux/in.h> -#include <linux/if_arp.h> -#include <linux/netdevice.h> -#include <linux/etherdevice.h> -#include <linux/skbuff.h> -#include <linux/inet.h> -#include <linux/workqueue.h> -#include <linux/proc_fs.h> -#include <linux/bitops.h> -#include <asm/processor.h> /* Processor type for cache alignment. */ -#include <asm/io.h> -#include <asm/dma.h> -#include <linux/smp.h> - -#include "lmc.h" -#include "lmc_var.h" -#include "lmc_debug.h" -#include "lmc_ioctl.h" -#include "lmc_proto.h" - -// attach -void lmc_proto_attach(lmc_softc_t *sc) /*FOLD00*/ -{ - if (sc->if_type == LMC_NET) { - struct net_device *dev = sc->lmc_device; - /* - * They set a few basics because they don't use HDLC - */ - dev->flags |= IFF_POINTOPOINT; - dev->hard_header_len = 0; - dev->addr_len = 0; - } -} - -int lmc_proto_open(lmc_softc_t *sc) -{ - int ret = 0; - - if (sc->if_type == LMC_PPP) { - ret = hdlc_open(sc->lmc_device); - if (ret < 0) - printk(KERN_WARNING "%s: HDLC open failed: %d\n", - sc->name, ret); - } - return ret; -} - -void lmc_proto_close(lmc_softc_t *sc) -{ - if (sc->if_type == LMC_PPP) - hdlc_close(sc->lmc_device); -} - -__be16 lmc_proto_type(lmc_softc_t *sc, struct sk_buff *skb) /*FOLD00*/ -{ - switch(sc->if_type){ - case LMC_PPP: - return hdlc_type_trans(skb, sc->lmc_device); - case LMC_NET: - return htons(ETH_P_802_2); - case LMC_RAW: /* Packet type for skbuff kind of useless */ - return htons(ETH_P_802_2); - default: - printk(KERN_WARNING "%s: No protocol set for this interface, assuming 802.2 (which is wrong!!)\n", sc->name); - return htons(ETH_P_802_2); - } -} - -void lmc_proto_netif(lmc_softc_t *sc, struct sk_buff *skb) /*FOLD00*/ -{ - switch(sc->if_type){ - case LMC_PPP: - case LMC_NET: - default: - netif_rx(skb); - break; - case LMC_RAW: - break; - } -} diff --git a/drivers/net/wan/lmc/lmc_proto.h b/drivers/net/wan/lmc/lmc_proto.h deleted file mode 100644 index e56e7072de44..000000000000 --- a/drivers/net/wan/lmc/lmc_proto.h +++ /dev/null @@ -1,18 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ -#ifndef _LMC_PROTO_H_ -#define _LMC_PROTO_H_ - -#include <linux/hdlc.h> - -void lmc_proto_attach(lmc_softc_t *sc); -int lmc_proto_open(lmc_softc_t *sc); -void lmc_proto_close(lmc_softc_t *sc); -__be16 lmc_proto_type(lmc_softc_t *sc, struct sk_buff *skb); -void lmc_proto_netif(lmc_softc_t *sc, struct sk_buff *skb); - -static inline lmc_softc_t* dev_to_sc(struct net_device *dev) -{ - return (lmc_softc_t *)dev_to_hdlc(dev)->priv; -} - -#endif diff --git a/drivers/net/wan/lmc/lmc_var.h b/drivers/net/wan/lmc/lmc_var.h deleted file mode 100644 index 99f0aa787a35..000000000000 --- a/drivers/net/wan/lmc/lmc_var.h +++ /dev/null @@ -1,468 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0-only */ -#ifndef _LMC_VAR_H_ -#define _LMC_VAR_H_ - - /* - * Copyright (c) 1997-2000 LAN Media Corporation (LMC) - * All rights reserved. www.lanmedia.com - * - * This code is written by: - * Andrew Stanley-Jones (asj@cban.com) - * Rob Braun (bbraun@vix.com), - * Michael Graff (explorer@vix.com) and - * Matt Thomas (matt@3am-software.com). - */ - -#include <linux/timer.h> - -/* - * basic definitions used in lmc include files - */ - -typedef struct lmc___softc lmc_softc_t; -typedef struct lmc___media lmc_media_t; -typedef struct lmc___ctl lmc_ctl_t; - -#define lmc_csrptr_t unsigned long - -#define LMC_REG_RANGE 0x80 - -#define LMC_PRINTF_FMT "%s" -#define LMC_PRINTF_ARGS (sc->lmc_device->name) - -#define TX_TIMEOUT (2*HZ) - -#define LMC_TXDESCS 32 -#define LMC_RXDESCS 32 - -#define LMC_LINK_UP 1 -#define LMC_LINK_DOWN 0 - -/* These macros for generic read and write to and from the dec chip */ -#define LMC_CSR_READ(sc, csr) \ - inl((sc)->lmc_csrs.csr) -#define LMC_CSR_WRITE(sc, reg, val) \ - outl((val), (sc)->lmc_csrs.reg) - -//#ifdef _LINUX_DELAY_H -// #define SLOW_DOWN_IO udelay(2); -// #undef __SLOW_DOWN_IO -// #define __SLOW_DOWN_IO udelay(2); -//#endif - -#define DELAY(n) SLOW_DOWN_IO - -#define lmc_delay() inl(sc->lmc_csrs.csr_9) - -/* This macro sync's up with the mii so that reads and writes can take place */ -#define LMC_MII_SYNC(sc) do {int n=32; while( n >= 0 ) { \ - LMC_CSR_WRITE((sc), csr_9, 0x20000); \ - lmc_delay(); \ - LMC_CSR_WRITE((sc), csr_9, 0x30000); \ - lmc_delay(); \ - n--; }} while(0) - -struct lmc_regfile_t { - lmc_csrptr_t csr_busmode; /* CSR0 */ - lmc_csrptr_t csr_txpoll; /* CSR1 */ - lmc_csrptr_t csr_rxpoll; /* CSR2 */ - lmc_csrptr_t csr_rxlist; /* CSR3 */ - lmc_csrptr_t csr_txlist; /* CSR4 */ - lmc_csrptr_t csr_status; /* CSR5 */ - lmc_csrptr_t csr_command; /* CSR6 */ - lmc_csrptr_t csr_intr; /* CSR7 */ - lmc_csrptr_t csr_missed_frames; /* CSR8 */ - lmc_csrptr_t csr_9; /* CSR9 */ - lmc_csrptr_t csr_10; /* CSR10 */ - lmc_csrptr_t csr_11; /* CSR11 */ - lmc_csrptr_t csr_12; /* CSR12 */ - lmc_csrptr_t csr_13; /* CSR13 */ - lmc_csrptr_t csr_14; /* CSR14 */ - lmc_csrptr_t csr_15; /* CSR15 */ -}; - -#define csr_enetrom csr_9 /* 21040 */ -#define csr_reserved csr_10 /* 21040 */ -#define csr_full_duplex csr_11 /* 21040 */ -#define csr_bootrom csr_10 /* 21041/21140A/?? */ -#define csr_gp csr_12 /* 21140* */ -#define csr_watchdog csr_15 /* 21140* */ -#define csr_gp_timer csr_11 /* 21041/21140* */ -#define csr_srom_mii csr_9 /* 21041/21140* */ -#define csr_sia_status csr_12 /* 2104x */ -#define csr_sia_connectivity csr_13 /* 2104x */ -#define csr_sia_tx_rx csr_14 /* 2104x */ -#define csr_sia_general csr_15 /* 2104x */ - -/* tulip length/control transmit descriptor definitions - * used to define bits in the second tulip_desc_t field (length) - * for the transmit descriptor -baz */ - -#define LMC_TDES_FIRST_BUFFER_SIZE ((u32)(0x000007FF)) -#define LMC_TDES_SECOND_BUFFER_SIZE ((u32)(0x003FF800)) -#define LMC_TDES_HASH_FILTERING ((u32)(0x00400000)) -#define LMC_TDES_DISABLE_PADDING ((u32)(0x00800000)) -#define LMC_TDES_SECOND_ADDR_CHAINED ((u32)(0x01000000)) -#define LMC_TDES_END_OF_RING ((u32)(0x02000000)) -#define LMC_TDES_ADD_CRC_DISABLE ((u32)(0x04000000)) -#define LMC_TDES_SETUP_PACKET ((u32)(0x08000000)) -#define LMC_TDES_INVERSE_FILTERING ((u32)(0x10000000)) -#define LMC_TDES_FIRST_SEGMENT ((u32)(0x20000000)) -#define LMC_TDES_LAST_SEGMENT ((u32)(0x40000000)) -#define LMC_TDES_INTERRUPT_ON_COMPLETION ((u32)(0x80000000)) - -#define TDES_SECOND_BUFFER_SIZE_BIT_NUMBER 11 -#define TDES_COLLISION_COUNT_BIT_NUMBER 3 - -/* Constants for the RCV descriptor RDES */ - -#define LMC_RDES_OVERFLOW ((u32)(0x00000001)) -#define LMC_RDES_CRC_ERROR ((u32)(0x00000002)) -#define LMC_RDES_DRIBBLING_BIT ((u32)(0x00000004)) -#define LMC_RDES_REPORT_ON_MII_ERR ((u32)(0x00000008)) -#define LMC_RDES_RCV_WATCHDOG_TIMEOUT ((u32)(0x00000010)) -#define LMC_RDES_FRAME_TYPE ((u32)(0x00000020)) -#define LMC_RDES_COLLISION_SEEN ((u32)(0x00000040)) -#define LMC_RDES_FRAME_TOO_LONG ((u32)(0x00000080)) -#define LMC_RDES_LAST_DESCRIPTOR ((u32)(0x00000100)) -#define LMC_RDES_FIRST_DESCRIPTOR ((u32)(0x00000200)) -#define LMC_RDES_MULTICAST_FRAME ((u32)(0x00000400)) -#define LMC_RDES_RUNT_FRAME ((u32)(0x00000800)) -#define LMC_RDES_DATA_TYPE ((u32)(0x00003000)) -#define LMC_RDES_LENGTH_ERROR ((u32)(0x00004000)) -#define LMC_RDES_ERROR_SUMMARY ((u32)(0x00008000)) -#define LMC_RDES_FRAME_LENGTH ((u32)(0x3FFF0000)) -#define LMC_RDES_OWN_BIT ((u32)(0x80000000)) - -#define RDES_FRAME_LENGTH_BIT_NUMBER 16 - -#define LMC_RDES_ERROR_MASK ( (u32)( \ - LMC_RDES_OVERFLOW \ - | LMC_RDES_DRIBBLING_BIT \ - | LMC_RDES_REPORT_ON_MII_ERR \ - | LMC_RDES_COLLISION_SEEN ) ) - - -/* - * Ioctl info - */ - -typedef struct { - u32 n; - u32 m; - u32 v; - u32 x; - u32 r; - u32 f; - u32 exact; -} lmc_av9110_t; - -/* - * Common structure passed to the ioctl code. - */ -struct lmc___ctl { - u32 cardtype; - u32 clock_source; /* HSSI, T1 */ - u32 clock_rate; /* T1 */ - u32 crc_length; - u32 cable_length; /* DS3 */ - u32 scrambler_onoff; /* DS3 */ - u32 cable_type; /* T1 */ - u32 keepalive_onoff; /* protocol */ - u32 ticks; /* ticks/sec */ - union { - lmc_av9110_t ssi; - } cardspec; - u32 circuit_type; /* T1 or E1 */ -}; - - -/* - * Careful, look at the data sheet, there's more to this - * structure than meets the eye. It should probably be: - * - * struct tulip_desc_t { - * u8 own:1; - * u32 status:31; - * u32 control:10; - * u32 buffer1; - * u32 buffer2; - * }; - * You could also expand status control to provide more bit information - */ - -struct tulip_desc_t { - s32 status; - s32 length; - u32 buffer1; - u32 buffer2; -}; - -/* - * media independent methods to check on media status, link, light LEDs, - * etc. - */ -struct lmc___media { - void (* init)(lmc_softc_t * const); - void (* defaults)(lmc_softc_t * const); - void (* set_status)(lmc_softc_t * const, lmc_ctl_t *); - void (* set_clock_source)(lmc_softc_t * const, int); - void (* set_speed)(lmc_softc_t * const, lmc_ctl_t *); - void (* set_cable_length)(lmc_softc_t * const, int); - void (* set_scrambler)(lmc_softc_t * const, int); - int (* get_link_status)(lmc_softc_t * const); - void (* set_link_status)(lmc_softc_t * const, int); - void (* set_crc_length)(lmc_softc_t * const, int); - void (* set_circuit_type)(lmc_softc_t * const, int); - void (* watchdog)(lmc_softc_t * const); -}; - - -#define STATCHECK 0xBEEFCAFE - -struct lmc_extra_statistics -{ - u32 version_size; - u32 lmc_cardtype; - - u32 tx_ProcTimeout; - u32 tx_IntTimeout; - u32 tx_NoCompleteCnt; - u32 tx_MaxXmtsB4Int; - u32 tx_TimeoutCnt; - u32 tx_OutOfSyncPtr; - u32 tx_tbusy0; - u32 tx_tbusy1; - u32 tx_tbusy_calls; - u32 resetCount; - u32 lmc_txfull; - u32 tbusy; - u32 dirtyTx; - u32 lmc_next_tx; - u32 otherTypeCnt; - u32 lastType; - u32 lastTypeOK; - u32 txLoopCnt; - u32 usedXmtDescripCnt; - u32 txIndexCnt; - u32 rxIntLoopCnt; - - u32 rx_SmallPktCnt; - u32 rx_BadPktSurgeCnt; - u32 rx_BuffAllocErr; - u32 tx_lossOfClockCnt; - - /* T1 error counters */ - u32 framingBitErrorCount; - u32 lineCodeViolationCount; - - u32 lossOfFrameCount; - u32 changeOfFrameAlignmentCount; - u32 severelyErroredFrameCount; - - u32 check; -}; - -typedef struct lmc_xinfo { - u32 Magic0; /* BEEFCAFE */ - - u32 PciCardType; - u32 PciSlotNumber; /* PCI slot number */ - - u16 DriverMajorVersion; - u16 DriverMinorVersion; - u16 DriverSubVersion; - - u16 XilinxRevisionNumber; - u16 MaxFrameSize; - - u16 t1_alarm1_status; - u16 t1_alarm2_status; - - int link_status; - u32 mii_reg16; - - u32 Magic1; /* DEADBEEF */ -} LMC_XINFO; - - -/* - * forward decl - */ -struct lmc___softc { - char *name; - u8 board_idx; - struct lmc_extra_statistics extra_stats; - struct net_device *lmc_device; - - int hang, rxdesc, bad_packet, some_counter; - u32 txgo; - struct lmc_regfile_t lmc_csrs; - volatile u32 lmc_txtick; - volatile u32 lmc_rxtick; - u32 lmc_flags; - u32 lmc_intrmask; /* our copy of csr_intr */ - u32 lmc_cmdmode; /* our copy of csr_cmdmode */ - u32 lmc_busmode; /* our copy of csr_busmode */ - u32 lmc_gpio_io; /* state of in/out settings */ - u32 lmc_gpio; /* state of outputs */ - struct sk_buff* lmc_txq[LMC_TXDESCS]; - struct sk_buff* lmc_rxq[LMC_RXDESCS]; - volatile - struct tulip_desc_t lmc_rxring[LMC_RXDESCS]; - volatile - struct tulip_desc_t lmc_txring[LMC_TXDESCS]; - unsigned int lmc_next_rx, lmc_next_tx; - volatile - unsigned int lmc_taint_tx, lmc_taint_rx; - int lmc_tx_start, lmc_txfull; - int lmc_txbusy; - u16 lmc_miireg16; - int lmc_ok; - int last_link_status; - int lmc_cardtype; - u32 last_frameerr; - lmc_media_t *lmc_media; - struct timer_list timer; - lmc_ctl_t ictl; - u32 TxDescriptControlInit; - - int tx_TimeoutInd; /* additional driver state */ - int tx_TimeoutDisplay; - unsigned int lastlmc_taint_tx; - int lasttx_packets; - u32 tx_clockState; - u32 lmc_crcSize; - LMC_XINFO lmc_xinfo; - char lmc_yel, lmc_blue, lmc_red; /* for T1 and DS3 */ - char lmc_timing; /* for HSSI and SSI */ - int got_irq; - - char last_led_err[4]; - - u32 last_int; - u32 num_int; - - spinlock_t lmc_lock; - u16 if_type; /* HDLC/PPP or NET */ - - /* Failure cases */ - u8 failed_ring; - u8 failed_recv_alloc; - - /* Structure check */ - u32 check; -}; - -#define LMC_PCI_TIME 1 -#define LMC_EXT_TIME 0 - -#define PKT_BUF_SZ 1542 /* was 1536 */ - -/* CSR5 settings */ -#define TIMER_INT 0x00000800 -#define TP_LINK_FAIL 0x00001000 -#define TP_LINK_PASS 0x00000010 -#define NORMAL_INT 0x00010000 -#define ABNORMAL_INT 0x00008000 -#define RX_JABBER_INT 0x00000200 -#define RX_DIED 0x00000100 -#define RX_NOBUFF 0x00000080 -#define RX_INT 0x00000040 -#define TX_FIFO_UNDER 0x00000020 -#define TX_JABBER 0x00000008 -#define TX_NOBUFF 0x00000004 -#define TX_DIED 0x00000002 -#define TX_INT 0x00000001 - -/* CSR6 settings */ -#define OPERATION_MODE 0x00000200 /* Full Duplex */ -#define PROMISC_MODE 0x00000040 /* Promiscuous Mode */ -#define RECEIVE_ALL 0x40000000 /* Receive All */ -#define PASS_BAD_FRAMES 0x00000008 /* Pass Bad Frames */ - -/* Dec control registers CSR6 as well */ -#define LMC_DEC_ST 0x00002000 -#define LMC_DEC_SR 0x00000002 - -/* CSR15 settings */ -#define RECV_WATCHDOG_DISABLE 0x00000010 -#define JABBER_DISABLE 0x00000001 - -/* More settings */ -/* - * aSR6 -- Command (Operation Mode) Register - */ -#define TULIP_CMD_RECEIVEALL 0x40000000L /* (RW) Receivel all frames? */ -#define TULIP_CMD_MUSTBEONE 0x02000000L /* (RW) Must Be One (21140) */ -#define TULIP_CMD_TXTHRSHLDCTL 0x00400000L /* (RW) Transmit Threshold Mode (21140) */ -#define TULIP_CMD_STOREFWD 0x00200000L /* (RW) Store and Forward (21140) */ -#define TULIP_CMD_NOHEARTBEAT 0x00080000L /* (RW) No Heartbeat (21140) */ -#define TULIP_CMD_PORTSELECT 0x00040000L /* (RW) Post Select (100Mb) (21140) */ -#define TULIP_CMD_FULLDUPLEX 0x00000200L /* (RW) Full Duplex Mode */ -#define TULIP_CMD_OPERMODE 0x00000C00L /* (RW) Operating Mode */ -#define TULIP_CMD_PROMISCUOUS 0x00000041L /* (RW) Promiscuous Mode */ -#define TULIP_CMD_PASSBADPKT 0x00000008L /* (RW) Pass Bad Frames */ -#define TULIP_CMD_THRESHOLDCTL 0x0000C000L /* (RW) Threshold Control */ - -#define TULIP_GP_PINSET 0x00000100L -#define TULIP_BUSMODE_SWRESET 0x00000001L -#define TULIP_WATCHDOG_TXDISABLE 0x00000001L -#define TULIP_WATCHDOG_RXDISABLE 0x00000010L - -#define TULIP_STS_NORMALINTR 0x00010000L /* (RW) Normal Interrupt */ -#define TULIP_STS_ABNRMLINTR 0x00008000L /* (RW) Abnormal Interrupt */ -#define TULIP_STS_ERI 0x00004000L /* (RW) Early Receive Interrupt */ -#define TULIP_STS_SYSERROR 0x00002000L /* (RW) System Error */ -#define TULIP_STS_GTE 0x00000800L /* (RW) General Pupose Timer Exp */ -#define TULIP_STS_ETI 0x00000400L /* (RW) Early Transmit Interrupt */ -#define TULIP_STS_RXWT 0x00000200L /* (RW) Receiver Watchdog Timeout */ -#define TULIP_STS_RXSTOPPED 0x00000100L /* (RW) Receiver Process Stopped */ -#define TULIP_STS_RXNOBUF 0x00000080L /* (RW) Receive Buf Unavail */ -#define TULIP_STS_RXINTR 0x00000040L /* (RW) Receive Interrupt */ -#define TULIP_STS_TXUNDERFLOW 0x00000020L /* (RW) Transmit Underflow */ -#define TULIP_STS_TXJABER 0x00000008L /* (RW) Jabber timeout */ -#define TULIP_STS_TXNOBUF 0x00000004L -#define TULIP_STS_TXSTOPPED 0x00000002L /* (RW) Transmit Process Stopped */ -#define TULIP_STS_TXINTR 0x00000001L /* (RW) Transmit Interrupt */ - -#define TULIP_STS_RXS_STOPPED 0x00000000L /* 000 - Stopped */ - -#define TULIP_STS_RXSTOPPED 0x00000100L /* (RW) Receive Process Stopped */ -#define TULIP_STS_RXNOBUF 0x00000080L - -#define TULIP_CMD_TXRUN 0x00002000L /* (RW) Start/Stop Transmitter */ -#define TULIP_CMD_RXRUN 0x00000002L /* (RW) Start/Stop Receive Filtering */ -#define TULIP_DSTS_TxDEFERRED 0x00000001 /* Initially Deferred */ -#define TULIP_DSTS_OWNER 0x80000000 /* Owner (1 = 21040) */ -#define TULIP_DSTS_RxMIIERR 0x00000008 -#define LMC_DSTS_ERRSUM (TULIP_DSTS_RxMIIERR) - -#define TULIP_DEFAULT_INTR_MASK (TULIP_STS_NORMALINTR \ - | TULIP_STS_RXINTR \ - | TULIP_STS_TXINTR \ - | TULIP_STS_ABNRMLINTR \ - | TULIP_STS_SYSERROR \ - | TULIP_STS_TXSTOPPED \ - | TULIP_STS_TXUNDERFLOW\ - | TULIP_STS_RXSTOPPED ) - -#define DESC_OWNED_BY_SYSTEM ((u32)(0x00000000)) -#define DESC_OWNED_BY_DC21X4 ((u32)(0x80000000)) - -#ifndef TULIP_CMD_RECEIVEALL -#define TULIP_CMD_RECEIVEALL 0x40000000L -#endif - -/* Adapter module number */ -#define LMC_ADAP_HSSI 2 -#define LMC_ADAP_DS3 3 -#define LMC_ADAP_SSI 4 -#define LMC_ADAP_T1 5 - -#define LMC_MTU 1500 - -#define LMC_CRC_LEN_16 2 /* 16-bit CRC */ -#define LMC_CRC_LEN_32 4 - -#endif /* _LMC_VAR_H_ */ |