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|
#ifndef _LINUX_ISICOM_H
#define _LINUX_ISICOM_H
/*#define ISICOM_DEBUG*/
/*#define ISICOM_DEBUG_DTR_RTS*/
/*
* Firmware Loader definitions ...
*/
#define __MultiTech ('M'<<8)
#define MIOCTL_LOAD_FIRMWARE (__MultiTech | 0x01)
#define MIOCTL_READ_FIRMWARE (__MultiTech | 0x02)
#define MIOCTL_XFER_CTRL (__MultiTech | 0x03)
#define MIOCTL_RESET_CARD (__MultiTech | 0x04)
#define DATA_SIZE 16
typedef struct {
unsigned short exec_segment;
unsigned short exec_addr;
} exec_record;
typedef struct {
int board; /* Board to load */
unsigned short addr;
unsigned short count;
} bin_header;
typedef struct {
int board; /* Board to load */
unsigned short addr;
unsigned short count;
unsigned short segment;
unsigned char bin_data[DATA_SIZE];
} bin_frame;
#ifdef __KERNEL__
#define YES 1
#define NO 0
#define ISILOAD_MISC_MINOR 155 /* /dev/isctl */
#define ISILOAD_NAME "ISILoad"
/*
* ISICOM Driver definitions ...
*
*/
#define ISICOM_NAME "ISICom"
/*
* PCI definitions
*/
#define VENDOR_ID 0x10b5
/*
* These are now officially allocated numbers
*/
#define ISICOM_NMAJOR 112 /* normal */
#define ISICOM_CMAJOR 113 /* callout */
#define ISICOM_MAGIC (('M' << 8) | 'T')
#define WAKEUP_CHARS 256 /* hard coded for now */
#define TX_SIZE 254
#define BOARD_COUNT 4
#define PORT_COUNT (BOARD_COUNT*16)
#define SERIAL_TYPE_NORMAL 1
#define SERIAL_TYPE_CALLOUT 2
/* character sizes */
#define ISICOM_CS5 0x0000
#define ISICOM_CS6 0x0001
#define ISICOM_CS7 0x0002
#define ISICOM_CS8 0x0003
/* stop bits */
#define ISICOM_1SB 0x0000
#define ISICOM_2SB 0x0004
/* parity */
#define ISICOM_NOPAR 0x0000
#define ISICOM_ODPAR 0x0008
#define ISICOM_EVPAR 0x0018
/* flow control */
#define ISICOM_CTSRTS 0x03
#define ISICOM_INITIATE_XONXOFF 0x04
#define ISICOM_RESPOND_XONXOFF 0x08
#define InterruptTheCard(base) (outw(0,(base)+0xc))
#define ClearInterrupt(base) (inw((base)+0x0a))
#define BOARD(line) (((line) >> 4) & 0x3)
#define MIN(a, b) ( (a) < (b) ? (a) : (b) )
/* isi kill queue bitmap */
#define ISICOM_KILLTX 0x01
#define ISICOM_KILLRX 0x02
/* isi_board status bitmap */
#define FIRMWARE_LOADED 0x0001
#define BOARD_ACTIVE 0x0002
/* isi_port status bitmap */
#define ISI_CTS 0x1000
#define ISI_DSR 0x2000
#define ISI_RI 0x4000
#define ISI_DCD 0x8000
#define ISI_DTR 0x0100
#define ISI_RTS 0x0200
#define ISI_TXOK 0x0001
struct isi_board {
unsigned short base;
unsigned char irq;
unsigned char port_count;
unsigned short status;
unsigned short port_status; /* each bit represents a single port */
unsigned short shift_count;
struct isi_port * ports;
signed char count;
unsigned char isa;
spinlock_t card_lock; /* Card wide lock 11/5/00 -sameer */
unsigned long flags;
};
struct isi_port {
unsigned short magic;
unsigned int flags;
int count;
int blocked_open;
int close_delay;
unsigned short channel;
unsigned short status;
unsigned short closing_wait;
long session;
long pgrp;
struct isi_board * card;
struct tty_struct * tty;
struct wait_queue * close_wait;
struct wait_queue * open_wait;
struct tq_struct hangup_tq;
struct tq_struct bh_tqueue;
unsigned char * xmit_buf;
int xmit_head;
int xmit_tail;
int xmit_cnt;
struct termios normal_termios;
struct termios callout_termios;
};
/*
* Locking/UnLocking primitives...
*/
extern inline unsigned char lock_card(struct isi_board *card)
{
char retries;
unsigned short base = card->base;
for (retries = 0; retries < 100; retries++) {
spin_lock_irqsave(&card->card_lock, card->flags);
if (inw(base + 0xe) & 0x1) {
#ifdef ISICOM_DEBUG
/* printk(KERN_DEBUG "ISICOM:lock_card(0x%x)\n",
card->base);*/
#endif
return 1;
}
else {
spin_unlock_irqrestore(&card->card_lock, card->flags);
schedule_timeout(HZ/100); /* 10ms */
}
}
#ifdef ISICOM_DEBUG
printk(KERN_WARNING "ISICOM: Failed to lock Card (0x%x)\n", card->base);
#endif /* ISICOM_DEBUG */
return 0; /* Failed to aquire the card! */
}
extern inline unsigned char lock_card_at_interrupt(struct isi_board *card)
{
unsigned char retries;
unsigned short base = card->base;
for (retries = 0; retries < 200; retries++) {
spin_lock_irqsave(&card->card_lock, card->flags);
if (inw(base + 0xe) & 0x1) {
#ifdef ISICOM_DEBUG
/* printk(KERN_DEBUG "ISICOM:lock_card_at_interrupt(0x%x)"
"\n",
card->base);*/
#endif
return 1;
}
else {
spin_unlock_irqrestore(&card->card_lock, card->flags);
}
}
#ifdef ISICOM_DEBUG
printk(KERN_WARNING "ISICOM: Failed to lock Card (0x%x)\n", card->base);
#endif /* ISICOM_DEBUG */
return 0; /* Failed to aquire the card! */
}
extern inline void unlock_card(struct isi_board *card)
{
spin_unlock_irqrestore(&card->card_lock, card->flags);
#ifdef ISICOM_DEBUG
/* printk(KERN_DEBUG "ISICOM:unlock_card(0x%x)\n",
card->base);*/
#endif
}
/*
* ISI Card specific ops ...
*/
extern inline void raise_dtr(struct isi_port * port)
{
struct isi_board * card = port->card;
unsigned short base = card->base;
unsigned char channel = port->channel;
/* short wait=400; SMPCHG
while(((inw(base+0x0e) & 0x01) == 0) && (wait-- > 0));
if (wait <= 0) {
printk(KERN_WARNING "ISICOM: Card found busy in raise_dtr.\n");
return;
}
*/
if (!lock_card(card)) {
printk(KERN_WARNING "ISICOM: Card found busy in raise_dtr.\n");
return;
}
#ifdef ISICOM_DEBUG_DTR_RTS
printk(KERN_DEBUG "ISICOM: raise_dtr.\n");
#endif
outw(0x8000 | (channel << card->shift_count) | 0x02 , base);
outw(0x0504, base);
InterruptTheCard(base);
port->status |= ISI_DTR;
unlock_card(card);
}
extern inline void drop_dtr(struct isi_port * port)
{
struct isi_board * card = port->card;
unsigned short base = card->base;
unsigned char channel = port->channel;
/* short wait=400; SMPCHG
while(((inw(base+0x0e) & 0x01) == 0) && (wait-- > 0));
if (wait <= 0) {
printk(KERN_WARNING "ISICOM: Card found busy in drop_dtr.\n");
return;
}
*/
if (!lock_card(card)) {
printk(KERN_WARNING "ISICOM: Card found busy in drop_dtr.\n");
return;
}
#ifdef ISICOM_DEBUG_DTR_RTS
printk(KERN_DEBUG "ISICOM: drop_dtr.\n");
#endif
outw(0x8000 | (channel << card->shift_count) | 0x02 , base);
outw(0x0404, base);
InterruptTheCard(base);
port->status &= ~ISI_DTR;
unlock_card(card);
}
extern inline void raise_rts(struct isi_port * port)
{
struct isi_board * card = port->card;
unsigned short base = card->base;
unsigned char channel = port->channel;
/* short wait=400; SMPCHG
while(((inw(base+0x0e) & 0x01) == 0) && (wait-- > 0));
if (wait <= 0) {
printk(KERN_WARNING "ISICOM: Card found busy in raise_rts.\n");
return;
}
*/
if (!lock_card(card)) {
printk(KERN_WARNING "ISICOM: Card found busy in raise_rts.\n");
return;
}
#ifdef ISICOM_DEBUG_DTR_RTS
printk(KERN_DEBUG "ISICOM: raise_rts.\n");
#endif
outw(0x8000 | (channel << card->shift_count) | 0x02 , base);
outw(0x0a04, base);
InterruptTheCard(base);
port->status |= ISI_RTS;
unlock_card(card);
}
extern inline void drop_rts(struct isi_port * port)
{
struct isi_board * card = port->card;
unsigned short base = card->base;
unsigned char channel = port->channel;
/* short wait=400; SMPCHG
while(((inw(base+0x0e) & 0x01) == 0) && (wait-- > 0));
if (wait <= 0) {
printk(KERN_WARNING "ISICOM: Card found busy in drop_rts.\n");
return;
}
*/
if (!lock_card(card)) {
printk(KERN_WARNING "ISICOM: Card found busy in drop_rts.\n");
return;
}
#ifdef ISICOM_DEBUG_DTR_RTS
printk(KERN_DEBUG "ISICOM: drop_rts.\n");
#endif
outw(0x8000 | (channel << card->shift_count) | 0x02 , base);
outw(0x0804, base);
InterruptTheCard(base);
port->status &= ~ISI_RTS;
unlock_card(card);
}
extern inline void raise_dtr_rts(struct isi_port * port)
{
struct isi_board * card = port->card;
unsigned short base = card->base;
unsigned char channel = port->channel;
/* short wait=400; SMPCHG
while(((inw(base+0x0e) & 0x01) == 0) && (wait-- > 0));
if (wait <= 0) {
printk(KERN_WARNING "ISICOM: Card found busy in raise_dtr_rts.\n");
return;
}
*/
if (!lock_card(card)) {
printk(KERN_WARNING "ISICOM: Card found busy in raise_dtr_rts.\n");
return;
}
#ifdef ISICOM_DEBUG_DTR_RTS
printk(KERN_DEBUG "ISICOM: raise_dtr_rts.\n");
#endif
outw(0x8000 | (channel << card->shift_count) | 0x02 , base);
outw(0x0f04, base);
InterruptTheCard(base);
port->status |= (ISI_DTR | ISI_RTS);
unlock_card(card);
}
extern inline void drop_dtr_rts(struct isi_port * port)
{
struct isi_board * card = port->card;
unsigned short base = card->base;
unsigned char channel = port->channel;
/* short wait=400;
while(((inw(base+0x0e) & 0x01) == 0) && (wait-- > 0));
if (wait <= 0) {
printk(KERN_WARNING "ISICOM: Card found busy in drop_dtr_rts.\n");
return;
}
*/
if (!lock_card(card)) {
printk(KERN_WARNING "ISICOM: Card found busy in drop_dtr_rts.\n");
return;
}
#ifdef ISICOM_DEBUG_DTR_RTS
printk(KERN_DEBUG "ISICOM: drop_dtr_rts.\n");
#endif
outw(0x8000 | (channel << card->shift_count) | 0x02 , base);
outw(0x0c04, base);
InterruptTheCard(base);
port->status &= ~(ISI_RTS | ISI_DTR);
unlock_card(card);
}
extern inline void kill_queue(struct isi_port * port, short queue)
{
struct isi_board * card = port->card;
unsigned short base = card->base;
unsigned char channel = port->channel;
/* short wait=400; SMPCHG
while(((inw(base+0x0e) & 0x01) == 0) && (wait-- > 0));
if (wait <= 0) {
printk(KERN_WARNING "ISICOM: Card found busy in kill_queue.\n");
return;
}
*/
if (!lock_card(card)) {
printk(KERN_WARNING "ISICOM: Card found busy in kill_queue.\n");
return;
}
#ifdef ISICOM_DEBUG
printk(KERN_DEBUG "ISICOM: kill_queue 0x%x.\n", queue);
#endif
outw(0x8000 | (channel << card->shift_count) | 0x02 , base);
outw((queue << 8) | 0x06, base);
InterruptTheCard(base);
unlock_card(card);
}
extern inline void set_signal_mask(struct isi_port * port, char mask)
{
struct isi_board * card = port->card;
unsigned short base = card->base;
unsigned char channel = port->channel;
if (!lock_card(card)) {
printk(KERN_WARNING "ISICOM: Card found busy"
"in set_signal_mask.\n");
return;
}
#ifdef ISICOM_DEBUG
printk(KERN_DEBUG "ISICOM: set_signal_mask 0x%x.\n", mask);
#endif
outw(0x8000 | (channel << card->shift_count) | 0x02, base);
outw((mask << 8) | 0x7, base);
InterruptTheCard(base);
unlock_card(card);
}
#endif /* __KERNEL__ */
#endif /* ISICOM_H */
|
