*/
/****** Defines ******/
-#include <linux/config.h>
-#include <linux/version.h>
-
#ifdef PCI_NUM_RESOURCES
#define PCI_BASE_ADDRESS(dev, r) ((dev)->resource[r].start)
#else
#define PCI_BASE_ADDRESS(dev, r) ((dev)->base_address[r])
#endif
-#ifndef VERSION_CODE
-# define VERSION_CODE(vers,rel,seq) ( ((vers)<<16) | ((rel)<<8) | (seq) )
-#endif
-
-#if LINUX_VERSION_CODE < VERSION_CODE(2,2,9) /* No version < 2.2 */
-# error "This kernel is too old: not supported by this file"
-#endif
-
#define ROCKET_PARANOIA_CHECK
#define ROCKET_DISABLE_SIMUSAGE
#undef REV_PCI_ORDER
#undef ROCKET_DEBUG_IO
-/* CAUTION!!!!! The TIME_STAT Function relies on the Pentium 64 bit
- * register. For various reasons related to 1.2.13, the test for this
- * register is omitted from this driver. If you are going to enable
- * this option, make sure you are running a Pentium CPU and that a
- * cat of /proc/cpuinfo shows ability TS Counters as Yes. Warning part
- * done, don't cry to me if you enable this options and things won't
- * work. If it gives you any problems, then disable the option. The code
- * in this function is pretty straight forward, if it breaks on your
- * CPU, there is probably something funny about your CPU.
- */
-
-#undef TIME_STAT /* For performing timing statistics on driver. */
- /* Produces printks, one every TIME_COUNTER loops, eats */
- /* some of your CPU time. Good for testing or */
- /* other checking, otherwise, leave it undefed */
- /* Doug Ledford */
-#define TIME_STAT_CPU 100 /* This needs to be set to your processor speed */
- /* For example, 100Mhz CPU, set this to 100 */
-#define TIME_COUNTER 180000 /* This is how many iterations to run before */
- /* performing the printk statements. */
- /* 6000 = 1 minute, 360000 = 1 hour, etc. */
- /* Since time_stat is long long, this */
- /* Can be really high if you want :) */
-#undef TIME_STAT_VERBOSE /* Undef this if you want a terse log message. */
-
-#if LINUX_VERSION_CODE < VERSION_CODE(2,4,0)
-#define TTY_DRIVER_NO_DEVFS 0
-#endif
-
#define POLL_PERIOD HZ/100 /* Polling period .01 seconds (10ms) */
/****** Kernel includes ******/
#ifdef MODVERSIONS
-#if LINUX_VERSION_CODE < VERSION_CODE(2,5,00)
-#include <linux/modversions.h>
-#else
#include <config/modversions.h>
-#endif
#endif
#include <linux/module.h>
#include <linux/major.h>
#include <linux/kernel.h>
#include <linux/signal.h>
-
-#if LINUX_VERSION_CODE < VERSION_CODE(2,4,0)
-#include <linux/malloc.h>
-#else
#include <linux/slab.h>
-#endif
-
#include <linux/mm.h>
#include <linux/sched.h>
#include <linux/timer.h>
#include "rocket_int.h"
#include "rocket.h"
-#ifdef LOCAL_ROCKET_H
-#include "version.h"
-#else
-#define ROCKET_VERSION "2.08"
-#define ROCKET_DATE "02-June-2003"
-#endif /* LOCAL_ROCKET_H */
-
-/*
- * All of the compatibilty code so we can compile serial.c against
- * older kernels is hidden in rocket_compat.h
- */
-#if defined(LOCAL_ROCKET_H) || (LINUX_VERSION_CODE < VERSION_CODE(2,3,23))
-#include "rocket_compat.h"
-#endif
+#define ROCKET_VERSION "2.09"
+#define ROCKET_DATE "12-June-2003"
/****** RocketPort Local Variables ******/
static rocketModel_t rocketModel[NUM_BOARDS];
static int max_board;
-#ifdef TIME_STAT
-static unsigned long long time_stat;
-static unsigned long time_stat_short;
-static unsigned long time_stat_long;
-static unsigned long time_counter;
-#endif
-
/*
* The following arrays define the interrupt bits corresponding to each AIOP.
* These bits are different between the ISA and regular PCI boards and the
static unsigned long nextLineNumber;
/***** RocketPort Static Prototypes *********/
-static int __init init_ISA(int i, int *reserved_controller);
+static int __init init_ISA(int i);
static void rp_wait_until_sent(struct tty_struct *tty, int timeout);
static void rp_flush_buffer(struct tty_struct *tty);
static void rmSpeakerReset(CONTROLLER_T * CtlP, unsigned long model);
unsigned char AiopMask;
Word_t bit;
-#ifdef TIME_STAT
- unsigned long low = 0, high = 0, loop_time;
- unsigned long long time_stat_tmp = 0, time_stat_tmp2 = 0;
-
- __asm__(".byte 0x0f,0x31":"=a"(low), "=d"(high));
- time_stat_tmp = high;
- time_stat_tmp <<= 32;
- time_stat_tmp += low;
-#endif /* TIME_STAT */
-
/* Walk through all the boards (ctrl's) */
for (ctrl = 0; ctrl < max_board; ctrl++) {
if (rcktpt_io_addr[ctrl] <= 0)
*/
if (atomic_read(&rp_num_ports_open))
mod_timer(&rocket_timer, jiffies + POLL_PERIOD);
-
-#ifdef TIME_STAT
- __asm__(".byte 0x0f,0x31":"=a"(low), "=d"(high));
- time_stat_tmp2 = high;
- time_stat_tmp2 <<= 32;
- time_stat_tmp2 += low;
- time_stat_tmp2 -= time_stat_tmp;
- time_stat += time_stat_tmp2;
- if (time_counter == 0)
- time_stat_short = time_stat_long = time_stat_tmp2;
- else {
- if (time_stat_tmp2 < time_stat_short)
- time_stat_short = time_stat_tmp2;
- else if (time_stat_tmp2 > time_stat_long)
- time_stat_long = time_stat_tmp2;
- }
- if (++time_counter == TIME_COUNTER) {
- loop_time =
- (unsigned
- long) (((unsigned long) (time_stat >> 32) *
- ((unsigned long) (0xffffffff) /
- (TIME_STAT_CPU * TIME_COUNTER))) +
- ((unsigned long) time_stat /
- (TIME_STAT_CPU * TIME_COUNTER)));
-#ifdef TIME_STAT_VERBOSE
- printk(KERN_INFO "rp_do_poll: Interrupt Timings\n");
- printk(KERN_INFO " %5ld iterations; %ld us min,\n",
- (long) TIME_COUNTER,
- (time_stat_short / TIME_STAT_CPU));
- printk(KERN_INFO " %5ld us max, %ld us average per iteration.\n",
- (time_stat_long / TIME_STAT_CPU), loop_time);
- printk(KERN_INFO "We want to use < 5,000 us for an iteration.\n");
-#else /* TIME_STAT_VERBOSE */
- printk(KERN_INFO "rp: %ld loops: %ld min, %ld max, %ld us/loop.\n",
- (long) TIME_COUNTER,
- (time_stat_short / TIME_STAT_CPU),
- (time_stat_long / TIME_STAT_CPU), loop_time);
-#endif /* TIME_STAT_VERBOSE */
- time_counter = time_stat = 0;
- time_stat_short = time_stat_long = 0;
- }
-#endif /* TIME_STAT */
}
/*
spin_lock_init(&info->slock);
sema_init(&info->write_sem, 1);
rp_table[line] = info;
-#if LINUX_VERSION_CODE > VERSION_CODE(2,5,0)
if (pci_dev)
tty_register_device(rocket_driver, line, &pci_dev->dev);
-#endif
}
/*
CHANNEL_t *cp;
unsigned long page;
-#if LINUX_VERSION_CODE > VERSION_CODE(2,5,0)
line = TTY_GET_LINE(tty);
-#else
- line = MINOR(tty->device) - TTY_DRIVER_MINOR_START(tty);
-#endif
-
if ((line < 0) || (line >= MAX_RP_PORTS) || ((info = rp_table[line]) == NULL))
return -ENXIO;
info->tty = tty;
if (info->count++ == 0) {
-#if ((LINUX_VERSION_CODE < VERSION_CODE(2,5,0)) && defined(MODULE))
- MOD_INC_USE_COUNT;
-#endif
atomic_inc(&rp_num_ports_open);
#ifdef ROCKET_DEBUG_OPEN
info->flags &= ~(ROCKET_INITIALIZED | ROCKET_CLOSING | ROCKET_NORMAL_ACTIVE);
tty->closing = 0;
wake_up_interruptible(&info->close_wait);
-
-#if ((LINUX_VERSION_CODE < VERSION_CODE(2,5,0)) && defined(MODULE))
- MOD_DEC_USE_COUNT;
-#endif
atomic_dec(&rp_num_ports_open);
#ifdef ROCKET_DEBUG_OPEN
return 0;
}
-#if LINUX_VERSION_CODE > VERSION_CODE(2,5,0)
-
/*
* Returns the state of the serial modem control lines. These next 2 functions
* are the way kernel versions > 2.5 handle modem control lines rather than IOCTLs.
return 0;
}
-#endif /* Linux > 2.5 */
-
static int get_config(struct r_port *info, struct rocket_config *retinfo)
{
struct rocket_config tmp;
rp_flush_buffer(tty);
if (info->flags & ROCKET_CLOSING)
return;
- if (info->count) {
-#if ((LINUX_VERSION_CODE < VERSION_CODE(2,5,0)) && defined(MODULE))
- MOD_DEC_USE_COUNT;
-#endif
+ if (info->count)
atomic_dec(&rp_num_ports_open);
- }
clear_bit((info->aiop * 8) + info->chan, (void *) &xmit_flags[info->board]);
info->count = 0;
for (aiop = 0; aiop < max_num_aiops; aiop++)
ctlp->AiopNumChan[aiop] = ports_per_aiop;
-#if LINUX_VERSION_CODE < VERSION_CODE(2,3,99)
- printk(KERN_INFO "Comtrol PCI controller #%d ID 0x%x found at 0x%lx, "
- "%d AIOP(s) (%s)\n", i, dev->device, rcktpt_io_addr[i],
- num_aiops, rocketModel[i].modelString);
-#else
- printk
- ("Comtrol PCI controller #%d ID 0x%x found in bus:slot:fn %s at address %04lx, "
+ printk("Comtrol PCI controller #%d ID 0x%x found in bus:slot:fn %s at address %04lx, "
"%d AIOP(s) (%s)\n", i, dev->device, dev->slot_name,
rcktpt_io_addr[i], num_aiops, rocketModel[i].modelString);
-#endif
-
printk(KERN_INFO "Installing %s, creating /dev/ttyR%d - %ld\n",
rocketModel[i].modelString,
rocketModel[i].startingPortNumber,
return (1);
}
-#if LINUX_VERSION_CODE > VERSION_CODE(2,3,99) /* Linux version 2.4 and greater */
-
-
/*
* Probes for PCI cards, inits them if found
* Input: board_found = number of ISA boards already found, or the
return (count);
}
-#else /* Linux version 2.2 */
-
-/*
- * Linux 2.2 pci_find_device() does not allow a search of all devices for a certain vendor,
- * you have to try each device ID. Comtrol device ID's are 0x0000 -0x000F for the original
- * boards. Newer board are 0x08xx (see upci_ids[]).
- */
-static int __init init_PCI(int boards_found)
-{
- int j, count = 0;
- struct pci_dev *dev = NULL;
-
- static int upci_ids[] = {
- PCI_DEVICE_ID_URP32INTF,
- PCI_DEVICE_ID_URP8INTF,
- PCI_DEVICE_ID_URP16INTF,
- PCI_DEVICE_ID_CRP16INTF,
- PCI_DEVICE_ID_URP8OCTA,
- PCI_DEVICE_ID_UPCI_RM3_8PORT,
- PCI_DEVICE_ID_UPCI_RM3_4PORT
- };
-
-#define NUM_UPCI_IDS (sizeof(upci_ids) / sizeof(upci_ids[0]))
-
- /* Try finding devices with PCI ID's 0x0000 - 0x000F */
- for (j = 0; j < 16; j++) {
- while ((dev = pci_find_device(PCI_VENDOR_ID_RP, j, dev))) {
- register_PCI(count + boards_found, dev);
- count++;
- }
- }
-
- /* Now try finding the UPCI devices, which have PCI ID's 0x0800 - 0x080F */
- for (j = 0; j < NUM_UPCI_IDS; j++) {
- while ((dev =
- pci_find_device(PCI_VENDOR_ID_RP, upci_ids[j], dev))) {
- register_PCI(count + boards_found, dev);
- count++;
- }
- }
- return (count);
-}
-
-#endif /* Linux version 2.2/2.4 */
-
#endif /* CONFIG_PCI */
/*
* Input: i = the board number to look for
* Returns: 1 if board found, 0 else
*/
-static int __init init_ISA(int i, int *reserved_controller)
+static int __init init_ISA(int i)
{
int num_aiops, num_chan = 0, total_num_chan = 0;
int aiop, chan;
CONTROLLER_t *ctlp;
char *type_string;
- if (rcktpt_io_addr[i] == 0 || controller == 0)
+ /* If io_addr is zero, no board configured */
+ if (rcktpt_io_addr[i] == 0)
return (0);
- if (check_region(rcktpt_io_addr[i], 64)) {
- printk(KERN_INFO "RocketPort board address 0x%lx in use...\n", rcktpt_io_addr[i]);
+ /* Reserve the IO region */
+ if (!request_region(rcktpt_io_addr[i], 64, "Comtrol RocketPort")) {
+ printk(KERN_INFO "Unable to reserve IO region for configured ISA RocketPort at address 0x%lx, board not installed...\n", rcktpt_io_addr[i]);
rcktpt_io_addr[i] = 0;
return (0);
}
- if (rcktpt_io_addr[i] + 0x40 == controller) {
- *reserved_controller = 1;
- request_region(rcktpt_io_addr[i], 68, "Comtrol RocketPort");
- } else {
- request_region(rcktpt_io_addr[i], 64, "Comtrol RocketPort");
- }
ctlp = sCtlNumToCtlPtr(i);
for (aiop = 0; aiop < MAX_AIOPS_PER_BOARD; aiop++)
aiopio[aiop] = rcktpt_io_addr[i] + (aiop * 0x400);
- num_aiops =
- sInitController(ctlp, i, controller + (i * 0x400), aiopio, MAX_AIOPS_PER_BOARD, 0, FREQ_DIS, 0);
+ num_aiops = sInitController(ctlp, i, controller + (i * 0x400), aiopio, MAX_AIOPS_PER_BOARD, 0, FREQ_DIS, 0);
if (ctlp->boardType == ROCKET_TYPE_PC104) {
sEnAiop(ctlp, 2); /* only one AIOPIC, but these */
sEnAiop(ctlp, 3); /* CSels used for other stuff */
}
+ /* If something went wrong initing the AIOP's release the ISA IO memory */
if (num_aiops <= 0) {
- if (rcktpt_io_addr[i] + 0x40 == controller) {
- *reserved_controller = 0;
- release_region(rcktpt_io_addr[i], 68);
- } else {
- release_region(rcktpt_io_addr[i], 64);
- }
+ release_region(rcktpt_io_addr[i], 64);
rcktpt_io_addr[i] = 0;
return (0);
}
+
+ rocketModel[i].startingPortNumber = nextLineNumber;
+
for (aiop = 0; aiop < num_aiops; aiop++) {
sResetAiopByNum(ctlp, aiop);
sEnAiop(ctlp, aiop);
rocketModel[i].numPorts = total_num_chan;
rocketModel[i].model = MODEL_ISA;
- printk(KERN_INFO "Comtrol ISA controller #%d found at 0x%lx, "
- "%d AIOPs %s\n", i, rcktpt_io_addr[i], num_aiops,
- type_string);
+ printk(KERN_INFO "RocketPort ISA card #%d found at 0x%lx - %d AIOPs %s\n",
+ i, rcktpt_io_addr[i], num_aiops, type_string);
+
printk(KERN_INFO "Installing %s, creating /dev/ttyR%d - %ld\n",
rocketModel[i].modelString,
rocketModel[i].startingPortNumber,
.break_ctl = rp_break,
.send_xchar = rp_send_xchar,
.wait_until_sent = rp_wait_until_sent,
-#if (LINUX_VERSION_CODE > VERSION_CODE(2,5,0))
.tiocmget = rp_tiocmget,
.tiocmset = rp_tiocmset,
-#endif /* Kernel > 2.5 */
};
/*
int __init rp_init(void)
{
int retval, pci_boards_found, isa_boards_found, i;
- int reserved_controller = 0;
printk(KERN_INFO "RocketPort device driver module, version %s, %s\n",
ROCKET_VERSION, ROCKET_DATE);
nextLineNumber = 0;
memset(rocketModel, 0, sizeof (rocketModel));
- if (board1 && controller == 0)
- controller = board1 + 0x40;
+ /*
+ * If board 1 is non-zero, there is at least one ISA configured. If controller is
+ * zero, use the default controller IO address of board1 + 0x40.
+ */
+ if (board1) {
+ if (controller == 0)
+ controller = board1 + 0x40;
+ } else {
+ controller = 0; /* Used as a flag, meaning no ISA boards */
+ }
- if (controller && check_region(controller, 4)) {
- printk(KERN_INFO "Controller IO addresses in use, unloading driver.\n");
- put_tty_driver(rocket_driver);
+ /* If an ISA card is configured, reserve the 4 byte IO space for the Mudbac controller */
+ if (controller && (!request_region(controller, 4, "Comtrol RocketPort"))) {
+ printk(KERN_INFO "Unable to reserve IO region for first configured ISA RocketPort controller 0x%lx. Driver exiting \n", controller);
return -EBUSY;
}
* driver with the tty layer.
*/
-#if (LINUX_VERSION_CODE > VERSION_CODE(2,5,0))
rocket_driver->owner = THIS_MODULE;
-#endif /* Kernel > 2.5 */
rocket_driver->flags = TTY_DRIVER_NO_DEVFS;
rocket_driver->devfs_name = "tts/R";
rocket_driver->name = "ttyR";
pci_boards_found = 0;
for (i = 0; i < NUM_BOARDS; i++) {
- if (init_ISA(i, &reserved_controller))
+ if (init_ISA(i))
isa_boards_found++;
}
return -ENXIO;
}
- if (isa_boards_found) {
- if (reserved_controller == 0)
- request_region(controller, 4, "Comtrol RocketPort");
- } else {
- controller = 0;
- }
-
return 0;
}
{
int retval;
int i;
- int released_controller = 0;
del_timer_sync(&rocket_timer);
for (i = 0; i < NUM_BOARDS; i++) {
if (rcktpt_io_addr[i] <= 0 || is_PCI[i])
continue;
- if (rcktpt_io_addr[i] + 0x40 == controller) {
- released_controller++;
- release_region(rcktpt_io_addr[i], 68);
- } else {
- release_region(rcktpt_io_addr[i], 64);
- }
+ release_region(rcktpt_io_addr[i], 64);
}
- if (controller && released_controller == 0)
+ if (controller)
release_region(controller, 4);
}
#endif
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