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Diffstat (limited to 'drivers/isdn/sc/init.c')
-rw-r--r--drivers/isdn/sc/init.c173
1 files changed, 84 insertions, 89 deletions
diff --git a/drivers/isdn/sc/init.c b/drivers/isdn/sc/init.c
index 62b7acfad8a..d6f19b168e8 100644
--- a/drivers/isdn/sc/init.c
+++ b/drivers/isdn/sc/init.c
@@ -8,6 +8,8 @@
#include <linux/init.h>
#include <linux/interrupt.h>
#include <linux/delay.h>
+#include <linux/sched.h>
+#include <linux/slab.h>
#include "includes.h"
#include "hardware.h"
#include "card.h"
@@ -25,22 +27,16 @@ static const char version[] = "2.0b1";
static const char *boardname[] = { "DataCommute/BRI", "DataCommute/PRI", "TeleCommute/BRI" };
/* insmod set parameters */
-static unsigned int io[] = {0,0,0,0};
-static unsigned char irq[] = {0,0,0,0};
-static unsigned long ram[] = {0,0,0,0};
-static int do_reset = 0;
+static unsigned int io[] = {0, 0, 0, 0};
+static unsigned char irq[] = {0, 0, 0, 0};
+static unsigned long ram[] = {0, 0, 0, 0};
+static bool do_reset = 0;
module_param_array(io, int, NULL, 0);
-module_param_array(irq, int, NULL, 0);
-module_param_array(ram, int, NULL, 0);
+module_param_array(irq, byte, NULL, 0);
+module_param_array(ram, long, NULL, 0);
module_param(do_reset, bool, 0);
-extern irqreturn_t interrupt_handler(int, void *, struct pt_regs *);
-extern int sndpkt(int, int, int, struct sk_buff *);
-extern int command(isdn_ctrl *);
-extern int indicate_status(int, int, ulong, char*);
-extern int reset(int);
-
static int identify_board(unsigned long, unsigned int);
static int __init sc_init(void)
@@ -66,7 +62,7 @@ static int __init sc_init(void)
#endif
pr_info("Copyright (C) 1996 SpellCaster Telecommunications Inc.\n");
- while(b++ < MAX_CARDS - 1) {
+ while (b++ < MAX_CARDS - 1) {
pr_debug("Probing for adapter #%d\n", b);
/*
* Initialize reusable variables
@@ -76,17 +72,17 @@ static int __init sc_init(void)
channels = 0;
pgport = 0;
- /*
- * See if we should probe for IO base
+ /*
+ * See if we should probe for IO base
*/
pr_debug("I/O Base for board %d is 0x%x, %s probe\n", b, io[b],
- io[b] == 0 ? "will" : "won't");
- if(io[b]) {
+ io[b] == 0 ? "will" : "won't");
+ if (io[b]) {
/*
* No, I/O Base has been provided
*/
- for (i = 0 ; i < MAX_IO_REGS - 1 ; i++) {
- if(!request_region(io[b] + i * 0x400, 1, "sc test")) {
+ for (i = 0; i < MAX_IO_REGS - 1; i++) {
+ if (!request_region(io[b] + i * 0x400, 1, "sc test")) {
pr_debug("request_region for 0x%x failed\n", io[b] + i * 0x400);
io[b] = 0;
break;
@@ -97,14 +93,15 @@ static int __init sc_init(void)
/*
* Confirm the I/O Address with a test
*/
- if(io[b] == 0) {
- pr_debug("I/O Address 0x%x is in use.\n");
+ if (io[b] == 0) {
+ pr_debug("I/O Address invalid.\n");
continue;
}
outb(0x18, io[b] + 0x400 * EXP_PAGE0);
- if(inb(io[b] + 0x400 * EXP_PAGE0) != 0x18) {
- pr_debug("I/O Base 0x%x fails test\n");
+ if (inb(io[b] + 0x400 * EXP_PAGE0) != 0x18) {
+ pr_debug("I/O Base 0x%x fails test\n",
+ io[b] + 0x400 * EXP_PAGE0);
continue;
}
}
@@ -112,12 +109,12 @@ static int __init sc_init(void)
/*
* Yes, probe for I/O Base
*/
- if(probe_exhasted) {
+ if (probe_exhasted) {
pr_debug("All probe addresses exhasted, skipping\n");
continue;
}
pr_debug("Probing for I/O...\n");
- for (i = last_base ; i <= IOBASE_MAX ; i += IOBASE_OFFSET) {
+ for (i = last_base; i <= IOBASE_MAX; i += IOBASE_OFFSET) {
int found_io = 1;
if (i == IOBASE_MAX) {
probe_exhasted = 1; /* No more addresses to probe */
@@ -125,19 +122,19 @@ static int __init sc_init(void)
}
last_base = i + IOBASE_OFFSET;
pr_debug(" checking 0x%x...", i);
- for ( j = 0 ; j < MAX_IO_REGS - 1 ; j++) {
- if(!request_region(i + j * 0x400, 1, "sc test")) {
+ for (j = 0; j < MAX_IO_REGS - 1; j++) {
+ if (!request_region(i + j * 0x400, 1, "sc test")) {
pr_debug("Failed\n");
found_io = 0;
break;
} else
release_region(i + j * 0x400, 1);
- }
+ }
- if(found_io) {
+ if (found_io) {
io[b] = i;
outb(0x18, io[b] + 0x400 * EXP_PAGE0);
- if(inb(io[b] + 0x400 * EXP_PAGE0) != 0x18) {
+ if (inb(io[b] + 0x400 * EXP_PAGE0) != 0x18) {
pr_debug("Failed by test\n");
continue;
}
@@ -145,7 +142,7 @@ static int __init sc_init(void)
break;
}
}
- if(probe_exhasted) {
+ if (probe_exhasted) {
continue;
}
}
@@ -153,23 +150,23 @@ static int __init sc_init(void)
/*
* See if we should probe for shared RAM
*/
- if(do_reset) {
+ if (do_reset) {
pr_debug("Doing a SAFE probe reset\n");
outb(0xFF, io[b] + RESET_OFFSET);
msleep_interruptible(10000);
}
- pr_debug("RAM Base for board %d is 0x%x, %s probe\n", b, ram[b],
- ram[b] == 0 ? "will" : "won't");
+ pr_debug("RAM Base for board %d is 0x%lx, %s probe\n", b,
+ ram[b], ram[b] == 0 ? "will" : "won't");
- if(ram[b]) {
+ if (ram[b]) {
/*
* No, the RAM base has been provided
* Just look for a signature and ID the
* board model
*/
- if(request_region(ram[b], SRAM_PAGESIZE, "sc test")) {
- pr_debug("request_region for RAM base 0x%x succeeded\n", ram[b]);
- model = identify_board(ram[b], io[b]);
+ if (request_region(ram[b], SRAM_PAGESIZE, "sc test")) {
+ pr_debug("request_region for RAM base 0x%lx succeeded\n", ram[b]);
+ model = identify_board(ram[b], io[b]);
release_region(ram[b], SRAM_PAGESIZE);
}
}
@@ -178,15 +175,15 @@ static int __init sc_init(void)
* Yes, probe for free RAM and look for
* a signature and id the board model
*/
- for (i = SRAM_MIN ; i < SRAM_MAX ; i += SRAM_PAGESIZE) {
+ for (i = SRAM_MIN; i < SRAM_MAX; i += SRAM_PAGESIZE) {
pr_debug("Checking RAM address 0x%x...\n", i);
- if(request_region(i, SRAM_PAGESIZE, "sc test")) {
+ if (request_region(i, SRAM_PAGESIZE, "sc test")) {
pr_debug(" request_region succeeded\n");
model = identify_board(i, io[b]);
release_region(i, SRAM_PAGESIZE);
if (model >= 0) {
pr_debug(" Identified a %s\n",
- boardname[model]);
+ boardname[model]);
ram[b] = i;
break;
}
@@ -199,19 +196,19 @@ static int __init sc_init(void)
/*
* See if we found free RAM and the board model
*/
- if(!ram[b] || model < 0) {
+ if (!ram[b] || model < 0) {
/*
* Nope, there was no place in RAM for the
* board, or it couldn't be identified
*/
- pr_debug("Failed to find an adapter at 0x%x\n", ram[b]);
- continue;
+ pr_debug("Failed to find an adapter at 0x%lx\n", ram[b]);
+ continue;
}
/*
* Set the board's magic number, memory size and page register
*/
- switch(model) {
+ switch (model) {
case PRI_BOARD:
channels = 23;
magic = 0x20000;
@@ -227,7 +224,7 @@ static int __init sc_init(void)
features = BRI_FEATURES;
break;
}
- switch(ram[b] >> 12 & 0x0F) {
+ switch (ram[b] >> 12 & 0x0F) {
case 0x0:
pr_debug("RAM Page register set to EXP_PAGE0\n");
pgport = EXP_PAGE0;
@@ -253,12 +250,12 @@ static int __init sc_init(void)
continue;
}
- pr_debug("current IRQ: %d b: %d\n",irq[b],b);
+ pr_debug("current IRQ: %d b: %d\n", irq[b], b);
/*
* Make sure we got an IRQ
*/
- if(!irq[b]) {
+ if (!irq[b]) {
/*
* No interrupt could be used
*/
@@ -270,14 +267,13 @@ static int __init sc_init(void)
* Horray! We found a board, Make sure we can register
* it with ISDN4Linux
*/
- interface = kmalloc(sizeof(isdn_if), GFP_KERNEL);
+ interface = kzalloc(sizeof(isdn_if), GFP_KERNEL);
if (interface == NULL) {
/*
* Oops, can't malloc isdn_if
*/
continue;
}
- memset(interface, 0, sizeof(isdn_if));
interface->owner = THIS_MODULE;
interface->hl_hdrlen = 0;
@@ -293,7 +289,7 @@ static int __init sc_init(void)
/*
* Allocate the board structure
*/
- sc_adapter[cinst] = kmalloc(sizeof(board), GFP_KERNEL);
+ sc_adapter[cinst] = kzalloc(sizeof(board), GFP_KERNEL);
if (sc_adapter[cinst] == NULL) {
/*
* Oops, can't alloc memory for the board
@@ -301,10 +297,9 @@ static int __init sc_init(void)
kfree(interface);
continue;
}
- memset(sc_adapter[cinst], 0, sizeof(board));
spin_lock_init(&sc_adapter[cinst]->lock);
- if(!register_isdn(interface)) {
+ if (!register_isdn(interface)) {
/*
* Oops, couldn't register for some reason
*/
@@ -325,7 +320,7 @@ static int __init sc_init(void)
/*
* Allocate channels status structures
*/
- sc_adapter[cinst]->channel = kmalloc(sizeof(bchan) * channels, GFP_KERNEL);
+ sc_adapter[cinst]->channel = kzalloc(sizeof(bchan) * channels, GFP_KERNEL);
if (sc_adapter[cinst]->channel == NULL) {
/*
* Oops, can't alloc memory for the channels
@@ -335,44 +330,44 @@ static int __init sc_init(void)
kfree(sc_adapter[cinst]);
continue;
}
- memset(sc_adapter[cinst]->channel, 0, sizeof(bchan) * channels);
/*
* Lock down the hardware resources
*/
sc_adapter[cinst]->interrupt = irq[b];
if (request_irq(sc_adapter[cinst]->interrupt, interrupt_handler,
- SA_INTERRUPT, interface->id, NULL))
+ 0, interface->id,
+ (void *)(unsigned long) cinst))
{
kfree(sc_adapter[cinst]->channel);
indicate_status(cinst, ISDN_STAT_UNLOAD, 0, NULL); /* Fix me */
kfree(interface);
kfree(sc_adapter[cinst]);
continue;
-
+
}
sc_adapter[cinst]->iobase = io[b];
- for(i = 0 ; i < MAX_IO_REGS - 1 ; i++) {
+ for (i = 0; i < MAX_IO_REGS - 1; i++) {
sc_adapter[cinst]->ioport[i] = io[b] + i * 0x400;
request_region(sc_adapter[cinst]->ioport[i], 1,
- interface->id);
+ interface->id);
pr_debug("Requesting I/O Port %#x\n",
- sc_adapter[cinst]->ioport[i]);
+ sc_adapter[cinst]->ioport[i]);
}
sc_adapter[cinst]->ioport[IRQ_SELECT] = io[b] + 0x2;
request_region(sc_adapter[cinst]->ioport[IRQ_SELECT], 1,
- interface->id);
+ interface->id);
pr_debug("Requesting I/O Port %#x\n",
- sc_adapter[cinst]->ioport[IRQ_SELECT]);
+ sc_adapter[cinst]->ioport[IRQ_SELECT]);
sc_adapter[cinst]->rambase = ram[b];
request_region(sc_adapter[cinst]->rambase, SRAM_PAGESIZE,
- interface->id);
+ interface->id);
- pr_info(" %s (%d) - %s %d channels IRQ %d, I/O Base 0x%x, RAM Base 0x%lx\n",
+ pr_info(" %s (%d) - %s %d channels IRQ %d, I/O Base 0x%x, RAM Base 0x%lx\n",
sc_adapter[cinst]->devicename,
sc_adapter[cinst]->driverId,
boardname[model], channels, irq[b], io[b], ram[b]);
-
+
/*
* reset the adapter to put things in motion
*/
@@ -381,7 +376,7 @@ static int __init sc_init(void)
cinst++;
status = 0;
}
- if (status)
+ if (status)
pr_info("Failed to find any adapters, driver unloaded\n");
return status;
}
@@ -390,13 +385,13 @@ static void __exit sc_exit(void)
{
int i, j;
- for(i = 0 ; i < cinst ; i++) {
+ for (i = 0; i < cinst; i++) {
pr_debug("Cleaning up after adapter %d\n", i);
/*
* kill the timers
*/
- del_timer(&(sc_adapter[i]->reset_timer));
- del_timer(&(sc_adapter[i]->stat_timer));
+ del_timer_sync(&(sc_adapter[i]->reset_timer));
+ del_timer_sync(&(sc_adapter[i]->stat_timer));
/*
* Tell I4L we're toast
@@ -412,7 +407,7 @@ static void __exit sc_exit(void)
/*
* Release the IRQ
*/
- FREE_IRQ(sc_adapter[i]->interrupt, NULL);
+ free_irq(sc_adapter[i]->interrupt, NULL);
/*
* Reset for a clean start
@@ -422,14 +417,14 @@ static void __exit sc_exit(void)
/*
* Release the I/O Port regions
*/
- for(j = 0 ; j < MAX_IO_REGS - 1; j++) {
+ for (j = 0; j < MAX_IO_REGS - 1; j++) {
release_region(sc_adapter[i]->ioport[j], 1);
pr_debug("Releasing I/O Port %#x\n",
- sc_adapter[i]->ioport[j]);
+ sc_adapter[i]->ioport[j]);
}
release_region(sc_adapter[i]->ioport[IRQ_SELECT], 1);
pr_debug("Releasing I/O Port %#x\n",
- sc_adapter[i]->ioport[IRQ_SELECT]);
+ sc_adapter[i]->ioport[IRQ_SELECT]);
/*
* Release any memory we alloced
@@ -451,20 +446,20 @@ static int identify_board(unsigned long rambase, unsigned int iobase)
HWConfig_pl hwci;
int x;
- pr_debug("Attempting to identify adapter @ 0x%x io 0x%x\n",
- rambase, iobase);
+ pr_debug("Attempting to identify adapter @ 0x%lx io 0x%x\n",
+ rambase, iobase);
/*
* Enable the base pointer
*/
outb(rambase >> 12, iobase + 0x2c00);
- switch(rambase >> 12 & 0x0F) {
+ switch (rambase >> 12 & 0x0F) {
case 0x0:
pgport = iobase + PG0_OFFSET;
pr_debug("Page Register offset is 0x%x\n", PG0_OFFSET);
break;
-
+
case 0x4:
pgport = iobase + PG1_OFFSET;
pr_debug("Page Register offset is 0x%x\n", PG1_OFFSET);
@@ -490,8 +485,8 @@ static int identify_board(unsigned long rambase, unsigned int iobase)
outb(PRI_BASEPG_VAL, pgport);
msleep_interruptible(1000);
sig = readl(rambase + SIG_OFFSET);
- pr_debug("Looking for a signature, got 0x%x\n", sig);
- if(sig == SIGNATURE)
+ pr_debug("Looking for a signature, got 0x%lx\n", sig);
+ if (sig == SIGNATURE)
return PRI_BOARD;
/*
@@ -500,8 +495,8 @@ static int identify_board(unsigned long rambase, unsigned int iobase)
outb(BRI_BASEPG_VAL, pgport);
msleep_interruptible(1000);
sig = readl(rambase + SIG_OFFSET);
- pr_debug("Looking for a signature, got 0x%x\n", sig);
- if(sig == SIGNATURE)
+ pr_debug("Looking for a signature, got 0x%lx\n", sig);
+ if (sig == SIGNATURE)
return BRI_BOARD;
return -1;
@@ -510,8 +505,8 @@ static int identify_board(unsigned long rambase, unsigned int iobase)
* Try to spot a card
*/
sig = readl(rambase + SIG_OFFSET);
- pr_debug("Looking for a signature, got 0x%x\n", sig);
- if(sig != SIGNATURE)
+ pr_debug("Looking for a signature, got 0x%lx\n", sig);
+ if (sig != SIGNATURE)
return -1;
dpm = (DualPortMemory *) rambase;
@@ -528,11 +523,11 @@ static int identify_board(unsigned long rambase, unsigned int iobase)
* Wait for the response
*/
x = 0;
- while((inb(iobase + FIFOSTAT_OFFSET) & RF_HAS_DATA) && x < 100) {
+ while ((inb(iobase + FIFOSTAT_OFFSET) & RF_HAS_DATA) && x < 100) {
schedule_timeout_interruptible(1);
x++;
}
- if(x == 100) {
+ if (x == 100) {
pr_debug("Timeout waiting for response\n");
return -1;
}
@@ -540,16 +535,16 @@ static int identify_board(unsigned long rambase, unsigned int iobase)
memcpy_fromio(&rcvmsg, &(dpm->rsp_queue[dpm->rsp_tail]), MSG_LEN);
pr_debug("Got HWConfig response, status = 0x%x\n", rcvmsg.rsp_status);
memcpy(&hwci, &(rcvmsg.msg_data.HWCresponse), sizeof(HWConfig_pl));
- pr_debug("Hardware Config: Interface: %s, RAM Size: %d, Serial: %s\n"
+ pr_debug("Hardware Config: Interface: %s, RAM Size: %ld, Serial: %s\n"
" Part: %s, Rev: %s\n",
hwci.st_u_sense ? "S/T" : "U", hwci.ram_size,
hwci.serial_no, hwci.part_no, hwci.rev_no);
- if(!strncmp(PRI_PARTNO, hwci.part_no, 6))
+ if (!strncmp(PRI_PARTNO, hwci.part_no, 6))
return PRI_BOARD;
- if(!strncmp(BRI_PARTNO, hwci.part_no, 6))
+ if (!strncmp(BRI_PARTNO, hwci.part_no, 6))
return BRI_BOARD;
-
+
return -1;
}
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-12-05 20:48:59 +0000