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Subject[PATCH] - PC300 driver for kernel 2.4 (4/6)
This is the part 4/6

diff -ruN linux-2.4.21-pre5.orig/drivers/net/wan/pc300.h
linux-2.4.21-pre5/drivers/net/wan/pc300.h
--- linux-2.4.21-pre5.orig/drivers/net/wan/pc300.h Thu Jan 1 00:00:00 1970
+++ linux-2.4.21-pre5/drivers/net/wan/pc300.h Thu Feb 27 09:08:33 2003
@@ -0,0 +1,428 @@
+/*
+ * pc300.h Cyclades-PC300(tm) Kernel API Definitions.
+ *
+ * Author: Ivan Passos <ivan@cyclades.com>
+ *
+ * Copyright: (c) 1999-2002 Cyclades Corp.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version
+ * 2 of the License, or (at your option) any later version.
+ *
+ */
+
+#ifndef
_PC300_H
+#define
_PC300_H
+
+#ifndef __HDLC_IOCTL_H__
+#include <linux/hdlc/ioctl.h>
+#endif
+
+#ifndef __HDLC_H
+#include <linux/hdlc.h>
+#endif
+
+#ifndef _HD64572_H
+#include "hd64572.h"
+#endif
+#ifndef _FALC_LH_H
+#include "pc300-falc-lh.h"
+#endif
+
+#ifndef CY_TYPES
+#define CY_TYPES
+#if defined(__alpha__)
+typedef
unsigned long ucdouble; /* 64 bits, unsigned */
+typedef
unsigned int uclong; /* 32 bits, unsigned */
+#else
+typedef
unsigned long uclong; /* 32 bits, unsigned */
+#endif
+typedef
unsigned short ucshort; /* 16 bits, unsigned */
+typedef
unsigned char ucchar; /* 8 bits, unsigned */
+#endif /* CY_TYPES */
+
+#define PC300_PROTO_MLPPP 1
+
+#define PC300_KERNEL "2.4.x" /* Kernel supported by this driver */
+
+#define
PC300_DEVNAME
"hdlc"
/* Dev. name base (for hdlc0, hdlc1, etc.) */
+#define PC300_MAXINDEX 100 /* Max dev. name index (the '0' in hdlc0) */
+
+#define
PC300_MAXCARDS
4
/* Max number of cards per system */
+#define
PC300_MAXCHAN
2
/* Number of channels per card */
+
+#define
PC300_PLX_WIN
0x80 /* PLX control window size (128b) */
+#define
PC300_RAMSIZE
0x40000 /* RAM window size (256Kb) */
+#define
PC300_SCASIZE
0x400 /* SCA window size (1Kb) */
+#define
PC300_FALCSIZE
0x400
/* FALC window size (1Kb) */
+
+#define PC300_OSC_CLOCK 24576000
+#define PC300_PCI_CLOCK 33000000
+
+#define BD_DEF_LEN 0x0800 /* DMA buffer length (2KB) */
+#define DMA_TX_MEMSZ 0x8000 /* Total DMA Tx memory size (32KB/ch) */
+#define DMA_RX_MEMSZ 0x10000 /* Total DMA Rx memory size (64KB/ch) */
+
+#define N_DMA_TX_BUF (DMA_TX_MEMSZ / BD_DEF_LEN) /* DMA Tx buffers */
+#define N_DMA_RX_BUF (DMA_RX_MEMSZ / BD_DEF_LEN) /* DMA Rx buffers */
+
+/* DMA Buffer Offsets */
+#define DMA_TX_BASE ((N_DMA_TX_BUF + N_DMA_RX_BUF) * \
+
PC300_MAXCHAN * sizeof(pcsca_bd_t))
+#define DMA_RX_BASE (DMA_TX_BASE + PC300_MAXCHAN*DMA_TX_MEMSZ)
+
+/* DMA Descriptor Offsets */
+#define DMA_TX_BD_BASE 0x0000
+#define DMA_RX_BD_BASE (DMA_TX_BD_BASE + ((PC300_MAXCHAN*DMA_TX_MEMSZ / \
+
BD_DEF_LEN) * sizeof(pcsca_bd_t)))
+
+/* DMA Descriptor Macros */
+#define TX_BD_ADDR(chan, n) (DMA_TX_BD_BASE + \
+
((N_DMA_TX_BUF*chan) + n) * sizeof(pcsca_bd_t))
+#define RX_BD_ADDR(chan, n) (DMA_RX_BD_BASE + \
+
((N_DMA_RX_BUF*chan) + n) * sizeof(pcsca_bd_t))
+
+/* Macro to access the FALC registers (TE only) */
+#define F_REG(reg, chan) (0x200*(chan) + ((reg)<<2))
+
+/***************************************
+ * Memory access functions/macros *
+ * (required to support Alpha systems) *
+ ***************************************/
+#ifdef __KERNEL__
+#define cpc_writeb(port,val) {writeb((ucchar)(val),(ulong)(port)); mb();}
+#define cpc_writew(port,val) {writew((ushort)(val),(ulong)(port)); mb();}
+#define cpc_writel(port,val) {writel((uclong)(val),(ulong)(port)); mb();}
+
+#define cpc_readb(port) readb(port)
+#define cpc_readw(port) readw(port)
+#define cpc_readl(port) readl(port)
+
+#else /* __KERNEL__ */
+#define cpc_writeb(port,val) (*(volatile ucchar *)(port) = (ucchar)(val))
+#define cpc_writew(port,val) (*(volatile ucshort *)(port) = (ucshort)(val))
+#define cpc_writel(port,val) (*(volatile uclong *)(port) = (uclong)(val))
+
+#define cpc_readb(port) (*(volatile ucchar *)(port))
+#define cpc_readw(port) (*(volatile ucshort *)(port))
+#define cpc_readl(port) (*(volatile uclong *)(port))
+
+#endif /* __KERNEL__ */
+
+/****** Data Structures
*****************************************************/
+
+/*
+ * RUNTIME_9050 - PLX PCI9050-1 local configuration and shared runtime
+ * registers. This structure can be used to access the 9050 registers
+ * (memory mapped).
+ */
+struct RUNTIME_9050 {
+
uclong
loc_addr_range[4];
/* 00-0Ch : Local Address Ranges */
+
uclong
loc_rom_range;
/* 10h : Local ROM Range */
+
uclong
loc_addr_base[4];
/* 14-20h : Local Address Base Addrs */
+
uclong
loc_rom_base;
/* 24h : Local ROM Base */
+
uclong
loc_bus_descr[4];
/* 28-34h : Local Bus Descriptors */
+
uclong
rom_bus_descr;
/* 38h : ROM Bus Descriptor */
+
uclong
cs_base[4];
/* 3C-48h : Chip Select Base Addrs */
+
uclong
intr_ctrl_stat;
/* 4Ch : Interrupt Control/Status */
+
uclong
init_ctrl;
/* 50h : EEPROM ctrl, Init Ctrl, etc */
+};
+
+#define PLX_9050_LINT1_ENABLE 0x01
+#define PLX_9050_LINT1_POL 0x02
+#define PLX_9050_LINT1_STATUS 0x04
+#define PLX_9050_LINT2_ENABLE 0x08
+#define PLX_9050_LINT2_POL 0x10
+#define PLX_9050_LINT2_STATUS 0x20
+#define PLX_9050_INTR_ENABLE 0x40
+#define PLX_9050_SW_INTR 0x80
+
+/* Masks to access the init_ctrl PLX register */
+#define
PC300_CLKSEL_MASK
(0x00000004UL)
+#define
PC300_CHMEDIA_MASK(chan)
(0x00000020UL<<(chan*3))
+#define
PC300_CTYPE_MASK
(0x00000800UL)
+
+/* CPLD Registers (base addr = falcbase, TE only) */
+/* CPLD v. 0 */
+#define CPLD_REG1 0x140 /* Chip resets, DCD/CTS status */
+#define CPLD_REG2 0x144 /* Clock enable , LED control */
+/* CPLD v. 2 or higher */
+#define CPLD_V2_REG1 0x100 /* Chip resets, DCD/CTS status */
+#define CPLD_V2_REG2 0x104 /* Clock enable , LED control */
+#define CPLD_ID_REG 0x108 /* CPLD version */
+
+/* CPLD Register bit description: for the FALC bits, they should always be
+ set based on the channel (use (bit<<(2*ch)) to access the correct
bit for
+ that channel) */
+#define CPLD_REG1_FALC_RESET 0x01
+#define CPLD_REG1_SCA_RESET 0x02
+#define CPLD_REG1_GLOBAL_CLK 0x08
+#define CPLD_REG1_FALC_DCD 0x10
+#define CPLD_REG1_FALC_CTS 0x20
+
+#define CPLD_REG2_FALC_TX_CLK 0x01
+#define CPLD_REG2_FALC_RX_CLK 0x02
+#define CPLD_REG2_FALC_LED1 0x10
+#define CPLD_REG2_FALC_LED2 0x20
+
+/* Structure with FALC-related fields (TE only) */
+#define PC300_FALC_MAXLOOP 0x0000ffff /* for falc_issue_cmd() */
+
+typedef struct falc {
+
ucchar sync; /* If true FALC is synchronized */
+
ucchar active; /* if TRUE then already active */
+
ucchar loop_active; /* if TRUE a line loopback UP was received */
+
ucchar loop_gen; /* if TRUE a line loopback UP was issued */
+
+
ucchar num_channels;
+
ucchar offset; /* 1 for T1, 0 for E1 */
+
ucchar full_bandwidth;
+
+
ucchar xmb_cause;
+
ucchar multiframe_mode;
+
+
/* Statistics */
+
ucshort pden; /* Pulse Density violation count */
+
ucshort los; /* Loss of Signal count */
+
ucshort losr; /* Loss of Signal recovery count */
+
ucshort lfa; /* Loss of frame alignment count */
+
ucshort farec; /* Frame Alignment Recovery count */
+
ucshort lmfa; /* Loss of multiframe alignment count */
+
ucshort ais; /* Remote Alarm indication Signal count */
+
ucshort sec; /* One-second timer */
+
ucshort es; /* Errored second */
+
ucshort rai; /* remote alarm received */
+
ucshort bec;
+
ucshort fec;
+
ucshort cvc;
+
ucshort cec;
+
ucshort ebc;
+
+
/* Status */
+
ucchar red_alarm;
+
ucchar blue_alarm;
+
ucchar loss_fa;
+
ucchar yellow_alarm;
+
ucchar loss_mfa;
+
ucchar prbs;
+} falc_t;
+
+typedef struct falc_status {
+
ucchar sync; /* If true FALC is synchronized */
+
ucchar red_alarm;
+
ucchar blue_alarm;
+
ucchar loss_fa;
+
ucchar yellow_alarm;
+
ucchar loss_mfa;
+
ucchar prbs;
+} falc_status_t;
+
+typedef struct rsv_x21_status {
+
ucchar dcd;
+
ucchar dsr;
+
ucchar cts;
+
ucchar rts;
+
ucchar dtr;
+} rsv_x21_status_t;
+
+typedef struct pc300stats {
+
int hw_type;
+
uclong line_on;
+
uclong line_off;
+
struct net_device_stats gen_stats;
+
falc_t te_stats;
+} pc300stats_t;
+
+typedef struct pc300status {
+
int hw_type;
+
rsv_x21_status_t gen_status;
+
falc_status_t te_status;
+} pc300status_t;
+
+typedef struct pc300loopback {
+
char loop_type;
+
char loop_on;
+} pc300loopback_t;
+
+typedef struct pc300patterntst {
+
char patrntst_on; /* 0 - off; 1 - on; 2 - read num_errors */
+
ucshort num_errors;
+} pc300patterntst_t;
+
+typedef struct pc300dev {
+
void *if_ptr; /* General purpose pointer */
+
struct pc300ch *chan;
+
ucchar trace_on;
+
uclong line_on; /* DCD(X.21, RSV) / sync(TE) change counters */
+
uclong line_off;
+#ifdef __KERNEL__
+
char name[16];
+
hdlc_device *hdlc;
+
+
void *private;
+
struct sk_buff *tx_skb;
+
union { /* This union has all the protocol-specific structures */
+
struct ppp_device pppdev;
+
}ifu;
+#ifdef CONFIG_PC300_MLPPP
+
void *cpc_tty; /* information to PC300 TTY driver */
+#endif
+#endif /* __KERNEL__ */
+}pc300dev_t;
+
+typedef struct pc300hw {
+
int type; /* RSV, X21, etc. */
+
int bus; /* Bus (PCI, PMC, etc.) */
+
int nchan; /* number of channels */
+
int irq; /* interrupt request level */
+
uclong clock; /* Board clock */
+
ucchar cpld_id; /* CPLD ID (TE only) */
+
ucshort cpld_reg1; /* CPLD reg 1 (TE only) */
+
ucshort cpld_reg2; /* CPLD reg 2 (TE only) */
+
ucshort gpioc_reg; /* PLX GPIOC reg */
+
ucshort intctl_reg; /* PLX Int Ctrl/Status reg */
+
uclong iophys; /* PLX registers I/O base */
+
uclong iosize; /* PLX registers I/O size */
+
uclong plxphys; /* PLX registers MMIO base (physical) */
+
uclong plxbase; /* PLX registers MMIO base (virtual) */
+
uclong plxsize; /* PLX registers MMIO size */
+
uclong scaphys; /* SCA registers MMIO base (physical) */
+
uclong scabase; /* SCA registers MMIO base (virtual) */
+
uclong scasize; /* SCA registers MMIO size */
+
uclong ramphys; /* On-board RAM MMIO base (physical) */
+
uclong rambase; /* On-board RAM MMIO base (virtual) */
+
uclong alloc_ramsize; /* RAM MMIO size allocated by the PCI bridge */
+
uclong ramsize; /* On-board RAM MMIO size */
+
uclong falcphys; /* FALC registers MMIO base (physical) */
+
uclong falcbase; /* FALC registers MMIO base (virtual) */
+
uclong falcsize; /* FALC registers MMIO size */
+} pc300hw_t;
+
+typedef struct pc300chconf {
+
sync_serial_settings
phys_settings;
/* Clock type/rate (in bps),
+
loopback mode */
+
raw_hdlc_proto
proto_settings; /* Encoding, parity (CRC) */
+
uclong media; /* HW media (RS232, V.35, etc.) */
+
uclong proto; /* Protocol (PPP, X.25, etc.) */
+
ucchar monitor; /* Monitor mode (0 = off, !0 = on) */
+
+
/* TE-specific parameters */
+
ucchar lcode; /* Line Code (AMI, B8ZS, etc.) */
+
ucchar fr_mode; /* Frame Mode (ESF, D4, etc.) */
+
ucchar lbo; /* Line Build Out */
+
ucchar rx_sens; /* Rx Sensitivity (long- or short-haul) */
+
uclong tslot_bitmap; /* bit[i]=1 => timeslot _i_ is active */
+} pc300chconf_t;
+
+typedef struct pc300ch {
+
struct pc300 *card;
+
int channel;
+
pc300dev_t d;
+
pc300chconf_t conf;
+
ucchar tx_first_bd; /* First TX DMA block descr. w/ data */
+
ucchar tx_next_bd; /* Next free TX DMA block descriptor */
+
ucchar rx_first_bd; /* First free RX DMA block descriptor */
+
ucchar rx_last_bd; /* Last free RX DMA block descriptor */
+
ucchar nfree_tx_bd; /* Number of free TX DMA block descriptors */
+
falc_t falc; /* FALC structure (TE only) */
+} pc300ch_t;
+
+typedef struct pc300 {
+
pc300hw_t hw; /* hardware config. */
+
pc300ch_t chan[PC300_MAXCHAN];
+#ifdef __KERNEL__
+
spinlock_t card_lock;
+#endif /* __KERNEL__ */
+} pc300_t;
+
+typedef struct pc300conf {
+
pc300hw_t hw;
+
pc300chconf_t conf;
+} pc300conf_t;
+
+/* DEV ioctl() commands */
+#define
N_SPPP_IOCTLS
2
+
+enum pc300_ioctl_cmds {
+
SIOCCPCRESERVED = (SIOCDEVPRIVATE + N_SPPP_IOCTLS),
+
SIOCGPC300CONF,
+
SIOCSPC300CONF,
+
SIOCGPC300STATUS,
+
SIOCGPC300FALCSTATUS,
+
SIOCGPC300UTILSTATS,
+
SIOCGPC300UTILSTATUS,
+
SIOCSPC300TRACE,
+
SIOCSPC300LOOPBACK,
+
SIOCSPC300PATTERNTEST,
+};
+
+/* Loopback types - PC300/TE boards */
+enum pc300_loopback_cmds {
+
PC300LOCLOOP = 1,
+
PC300REMLOOP,
+
PC300PAYLOADLOOP,
+
PC300GENLOOPUP,
+
PC300GENLOOPDOWN,
+};
+
+/* Control Constant Definitions */
+#define
PC300_RSV
0x01
+#define
PC300_X21
0x02
+#define
PC300_TE
0x03
+
+#define
PC300_PCI
0x00
+#define
PC300_PMC
0x01
+
+#define PC300_LC_AMI 0x01
+#define PC300_LC_B8ZS 0x02
+#define PC300_LC_NRZ 0x03
+#define PC300_LC_HDB3 0x04
+
+/* Framing (T1) */
+#define PC300_FR_ESF 0x01
+#define PC300_FR_D4 0x02
+#define PC300_FR_ESF_JAPAN 0x03
+
+/* Framing (E1) */
+#define PC300_FR_MF_CRC4 0x04
+#define PC300_FR_MF_NON_CRC4 0x05
+#define PC300_FR_UNFRAMED 0x06
+
+#define PC300_LBO_0_DB 0x00
+#define PC300_LBO_7_5_DB 0x01
+#define PC300_LBO_15_DB 0x02
+#define PC300_LBO_22_5_DB 0x03
+
+#define PC300_RX_SENS_SH 0x01
+#define PC300_RX_SENS_LH 0x02
+
+#define PC300_TX_TIMEOUT (2*HZ)
+#define PC300_TX_QUEUE_LEN 100
+#define
PC300_DEF_MTU
1600
+
+#ifdef __KERNEL__
+/* Function Prototypes */
+int dma_buf_write(pc300_t *, int, ucchar *, int);
+int dma_buf_read(pc300_t *, int, struct sk_buff *);
+void tx_dma_start(pc300_t *, int);
+void rx_dma_start(pc300_t *, int);
+void tx_dma_stop(pc300_t *, int);
+void rx_dma_stop(pc300_t *, int);
+int cpc_queue_xmit(struct sk_buff *, struct net_device *);
+void cpc_net_rx(hdlc_device *);
+void cpc_sca_status(pc300_t *, int);
+int cpc_change_mtu(struct net_device *, int);
+int cpc_ioctl(struct net_device *, struct ifreq *, int);
+int ch_config(pc300dev_t *);
+int rx_config(pc300dev_t *);
+int tx_config(pc300dev_t *);
+void cpc_opench(pc300dev_t *);
+void cpc_closech(pc300dev_t *);
+int cpc_open(struct net_device *dev);
+int cpc_close(struct net_device *dev);
+int cpc_set_media(hdlc_device *, int);
+#endif /* __KERNEL__ */
+
+#endif
/* _PC300_H */
+

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