// SPDX-License-Identifier: GPL-2.0-only
/*
* Generic Generic NCR5380 driver
*
* Copyright 1993 , Drew Eckhardt
* Visionary Computing
* ( Unix and Linux consulting and custom programming )
* drew @ colorado . edu
* + 1 ( 303 ) 440 - 4894
*
* NCR53C400 extensions ( c ) 1994 , 1995 , 1996 , Kevin Lentin
* K . Lentin @ cs . monash . edu . au
*
* NCR53C400A extensions ( c ) 1996 , Ingmar Baumgart
* ingmar @ gonzo . schwaben . de
*
* DTC3181E extensions ( c ) 1997 , Ronald van Cuijlenborg
* ronald . van . cuijlenborg @ tip . nl or nutty @ dds . nl
*
* Added ISAPNP support for DTC436 adapters ,
* Thomas Sailer , sailer @ ife . ee . ethz . ch
*
* See Documentation / scsi / g_NCR5380 . rst for more info .
*/
#include <asm /io.h>
#include <linux/blkdev.h>
#include <linux/module.h>
#include <scsi/scsi_host.h>
#include <linux/init.h>
#include <linux/ioport.h>
#include <linux/isa.h>
#include <linux/pnp.h>
#include <linux/interrupt.h>
/* Definitions for the core NCR5380 driver. */
#define NCR5380_read(reg) \
ioread8(hostdata->io + hostdata->offset + (reg))
#define NCR5380_write(reg, value) \
iowrite8(value, hostdata->io + hostdata->offset + (reg))
#define NCR5380_implementation_fields \
int offset; \
int c400_ctl_status; \
int c400_blk_cnt; \
int c400_host_buf; \
int io_width; \
int pdma_residual; \
int board
#define NCR5380_dma_xfer_len generic_NCR5380_dma_xfer_len
#define NCR5380_dma_recv_setup generic_NCR5380_precv
#define NCR5380_dma_send_setup generic_NCR5380_psend
#define NCR5380_dma_residual generic_NCR5380_dma_residual
#define NCR5380_intr generic_NCR5380_intr
#define NCR5380_queue_command generic_NCR5380_queue_command
#define NCR5380_abort generic_NCR5380_abort
#define NCR5380_host_reset generic_NCR5380_host_reset
#define NCR5380_info generic_NCR5380_info
#define NCR5380_io_delay(x) udelay(x)
#include "NCR5380.h"
#define DRV_MODULE_NAME "g_NCR5380"
#define NCR53C400_mem_base 0 x3880
#define NCR53C400_host_buffer 0 x3900
#define NCR53C400_region_size 0 x3a00
#define BOARD_NCR5380 0
#define BOARD_NCR53C400 1
#define BOARD_NCR53C400A 2
#define BOARD_DTC3181E 3
#define BOARD_HP_C2502 4
#define IRQ_AUTO 254
#define MAX_CARDS 8
#define DMA_MAX_SIZE 32768
/* old-style parameters for compatibility */
static int ncr_irq = -1 ;
static int ncr_addr;
static int ncr_5380;
static int ncr_53c400;
static int ncr_53c400a;
static int dtc_3181e;
static int hp_c2502;
module_param_hw(ncr_irq, int , irq, 0 );
module_param_hw(ncr_addr, int , ioport, 0 );
module_param(ncr_5380, int , 0 );
module_param(ncr_53c400, int , 0 );
module_param(ncr_53c400a, int , 0 );
module_param(dtc_3181e, int , 0 );
module_param(hp_c2502, int , 0 );
static int irq[] = { -1 , -1 , -1 , -1 , -1 , -1 , -1 , -1 };
module_param_hw_array(irq, int , irq, NULL, 0 );
MODULE_PARM_DESC(irq, "IRQ number(s) (0=none, 254=auto [default])" );
static int base[] = { 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 };
module_param_hw_array(base, int , ioport, NULL, 0 );
MODULE_PARM_DESC(base, "base address(es)" );
static int card[] = { -1 , -1 , -1 , -1 , -1 , -1 , -1 , -1 };
module_param_array(card, int , NULL, 0 );
MODULE_PARM_DESC(card, "card type (0=NCR5380, 1=NCR53C400, 2=NCR53C400A, 3=DTC3181E, 4=HP C2502)" );
MODULE_ALIAS("g_NCR5380_mmio" );
MODULE_DESCRIPTION("Generic NCR5380/NCR53C400 SCSI driver" );
MODULE_LICENSE("GPL" );
static void g_NCR5380_trigger_irq(struct Scsi_Host *instance)
{
struct NCR5380_hostdata *hostdata = shost_priv(instance);
/*
* An interrupt is triggered whenever BSY = false , SEL = true
* and a bit set in the SELECT_ENABLE_REG is asserted on the
* SCSI bus .
*
* Note that the bus is only driven when the phase control signals
* ( I / O , C / D , and MSG ) match those in the TCR .
*/
NCR5380_write(TARGET_COMMAND_REG,
PHASE_SR_TO_TCR(NCR5380_read(STATUS_REG) & PHASE_MASK));
NCR5380_write(SELECT_ENABLE_REG, hostdata->id_mask);
NCR5380_write(OUTPUT_DATA_REG, hostdata->id_mask);
NCR5380_write(INITIATOR_COMMAND_REG,
ICR_BASE | ICR_ASSERT_DATA | ICR_ASSERT_SEL);
msleep(1 );
NCR5380_write(INITIATOR_COMMAND_REG, ICR_BASE);
NCR5380_write(SELECT_ENABLE_REG, 0 );
NCR5380_write(TARGET_COMMAND_REG, 0 );
}
/**
* g_NCR5380_probe_irq - find the IRQ of a NCR5380 or equivalent
* @ instance : SCSI host instance
*
* Autoprobe for the IRQ line used by the card by triggering an IRQ
* and then looking to see what interrupt actually turned up .
*/
static int g_NCR5380_probe_irq(struct Scsi_Host *instance)
{
struct NCR5380_hostdata *hostdata = shost_priv(instance);
int irq_mask, irq;
NCR5380_read(RESET_PARITY_INTERRUPT_REG);
irq_mask = probe_irq_on();
g_NCR5380_trigger_irq(instance);
irq = probe_irq_off(irq_mask);
NCR5380_read(RESET_PARITY_INTERRUPT_REG);
if (irq <= 0 )
return NO_IRQ;
return irq;
}
/*
* Configure I / O address of 53 C400A or DTC436 by writing magic numbers
* to ports 0 x779 and 0 x379 .
*/
static void magic_configure(int idx, u8 irq, u8 magic[])
{
u8 cfg = 0 ;
outb(magic[0 ], 0 x779);
outb(magic[1 ], 0 x379);
outb(magic[2 ], 0 x379);
outb(magic[3 ], 0 x379);
outb(magic[4 ], 0 x379);
if (irq == 9 )
irq = 2 ;
if (idx >= 0 && idx <= 7 )
cfg = 0 x80 | idx | (irq << 4 );
outb(cfg, 0 x379);
}
static irqreturn_t legacy_empty_irq_handler(int irq, void *dev_id)
{
return IRQ_HANDLED;
}
static int legacy_find_free_irq(int *irq_table)
{
while (*irq_table != -1 ) {
if (!request_irq(*irq_table, legacy_empty_irq_handler,
IRQF_PROBE_SHARED, "Test IRQ" ,
(void *)irq_table)) {
free_irq(*irq_table, (void *) irq_table);
return *irq_table;
}
irq_table++;
}
return -1 ;
}
static unsigned int ncr_53c400a_ports[] = {
0 x280, 0 x290, 0 x300, 0 x310, 0 x330, 0 x340, 0 x348, 0 x350, 0
};
static unsigned int dtc_3181e_ports[] = {
0 x220, 0 x240, 0 x280, 0 x2a0, 0 x2c0, 0 x300, 0 x320, 0 x340, 0
};
static u8 ncr_53c400a_magic[] = { /* 53C400A & DTC436 */
0 x59, 0 xb9, 0 xc5, 0 xae, 0 xa6
};
static u8 hp_c2502_magic[] = { /* HP C2502 */
0 x0f, 0 x22, 0 xf0, 0 x20, 0 x80
};
static int hp_c2502_irqs[] = {
9 , 5 , 7 , 3 , 4 , -1
};
static int generic_NCR5380_init_one(const struct scsi_host_template *tpnt,
struct device *pdev, int base, int irq, int board)
{
bool is_pmio = base <= 0 xffff;
int ret;
int flags = 0 ;
unsigned int *ports = NULL;
u8 *magic = NULL;
int i;
int port_idx = -1 ;
unsigned long region_size;
struct Scsi_Host *instance;
struct NCR5380_hostdata *hostdata;
u8 __iomem *iomem;
switch (board) {
case BOARD_NCR5380:
flags = FLAG_NO_PSEUDO_DMA | FLAG_DMA_FIXUP;
break ;
case BOARD_NCR53C400A:
ports = ncr_53c400a_ports;
magic = ncr_53c400a_magic;
break ;
case BOARD_HP_C2502:
ports = ncr_53c400a_ports;
magic = hp_c2502_magic;
break ;
case BOARD_DTC3181E:
ports = dtc_3181e_ports;
magic = ncr_53c400a_magic;
break ;
}
if (is_pmio && ports && magic) {
/* wakeup sequence for the NCR53C400A and DTC3181E */
/* Disable the adapter and look for a free io port */
magic_configure(-1 , 0 , magic);
region_size = 16 ;
if (base)
for (i = 0 ; ports[i]; i++) {
if (base == ports[i]) { /* index found */
if (!request_region(ports[i],
region_size,
"ncr53c80" ))
return -EBUSY;
break ;
}
}
else
for (i = 0 ; ports[i]; i++) {
if (!request_region(ports[i], region_size,
"ncr53c80" ))
continue ;
if (inb(ports[i]) == 0 xff)
break ;
release_region(ports[i], region_size);
}
if (ports[i]) {
/* At this point we have our region reserved */
magic_configure(i, 0 , magic); /* no IRQ yet */
base = ports[i];
outb(0 xc0, base + 9 );
if (inb(base + 9 ) != 0 x80) {
ret = -ENODEV;
goto out_release;
}
port_idx = i;
} else
return -EINVAL;
} else if (is_pmio) {
/* NCR5380 - no configuration, just grab */
region_size = 8 ;
if (!base || !request_region(base, region_size, "ncr5380" ))
return -EBUSY;
} else { /* MMIO */
region_size = NCR53C400_region_size;
if (!request_mem_region(base, region_size, "ncr5380" ))
return -EBUSY;
}
if (is_pmio)
iomem = ioport_map(base, region_size);
else
iomem = ioremap(base, region_size);
if (!iomem) {
ret = -ENOMEM;
goto out_release;
}
instance = scsi_host_alloc(tpnt, sizeof (struct NCR5380_hostdata));
if (instance == NULL) {
ret = -ENOMEM;
goto out_unmap;
}
hostdata = shost_priv(instance);
hostdata->board = board;
hostdata->io = iomem;
hostdata->region_size = region_size;
if (is_pmio) {
hostdata->io_port = base;
hostdata->io_width = 1 ; /* 8-bit PDMA by default */
hostdata->offset = 0 ;
/*
* On NCR53C400 boards , NCR5380 registers are mapped 8 past
* the base address .
*/
switch (board) {
case BOARD_NCR53C400:
hostdata->io_port += 8 ;
hostdata->c400_ctl_status = 0 ;
hostdata->c400_blk_cnt = 1 ;
hostdata->c400_host_buf = 4 ;
break ;
case BOARD_DTC3181E:
hostdata->io_width = 2 ; /* 16-bit PDMA */
fallthrough;
case BOARD_NCR53C400A:
case BOARD_HP_C2502:
hostdata->c400_ctl_status = 9 ;
hostdata->c400_blk_cnt = 10 ;
hostdata->c400_host_buf = 8 ;
break ;
}
} else {
hostdata->base = base;
hostdata->offset = NCR53C400_mem_base;
switch (board) {
case BOARD_NCR53C400:
hostdata->c400_ctl_status = 0 x100;
hostdata->c400_blk_cnt = 0 x101;
hostdata->c400_host_buf = 0 x104;
break ;
case BOARD_DTC3181E:
case BOARD_NCR53C400A:
case BOARD_HP_C2502:
pr_err(DRV_MODULE_NAME ": unknown register offsets\n" );
ret = -EINVAL;
goto out_unregister;
}
}
/* Check for vacant slot */
NCR5380_write(MODE_REG, 0 );
if (NCR5380_read(MODE_REG) != 0 ) {
ret = -ENODEV;
goto out_unregister;
}
ret = NCR5380_init(instance, flags | FLAG_LATE_DMA_SETUP);
if (ret)
goto out_unregister;
switch (board) {
case BOARD_NCR53C400:
case BOARD_DTC3181E:
case BOARD_NCR53C400A:
case BOARD_HP_C2502:
NCR5380_write(hostdata->c400_ctl_status, CSR_BASE);
}
NCR5380_maybe_reset_bus(instance);
/* Compatibility with documented NCR5380 kernel parameters */
if (irq == 255 || irq == 0 )
irq = NO_IRQ;
else if (irq == -1 )
irq = IRQ_AUTO;
if (board == BOARD_HP_C2502) {
int *irq_table = hp_c2502_irqs;
int board_irq = -1 ;
switch (irq) {
case NO_IRQ:
board_irq = 0 ;
break ;
case IRQ_AUTO:
board_irq = legacy_find_free_irq(irq_table);
break ;
default :
while (*irq_table != -1 )
if (*irq_table++ == irq)
board_irq = irq;
}
if (board_irq <= 0 ) {
board_irq = 0 ;
irq = NO_IRQ;
}
magic_configure(port_idx, board_irq, magic);
}
if (irq == IRQ_AUTO) {
instance->irq = g_NCR5380_probe_irq(instance);
if (instance->irq == NO_IRQ)
shost_printk(KERN_INFO, instance, "no irq detected\n" );
} else {
instance->irq = irq;
if (instance->irq == NO_IRQ)
shost_printk(KERN_INFO, instance, "no irq provided\n" );
}
if (instance->irq != NO_IRQ) {
if (request_irq(instance->irq, generic_NCR5380_intr,
0 , "NCR5380" , instance)) {
instance->irq = NO_IRQ;
shost_printk(KERN_INFO, instance,
"irq %d denied\n" , instance->irq);
} else {
shost_printk(KERN_INFO, instance,
"irq %d acquired\n" , instance->irq);
}
}
ret = scsi_add_host(instance, pdev);
if (ret)
goto out_free_irq;
scsi_scan_host(instance);
dev_set_drvdata(pdev, instance);
return 0 ;
out_free_irq:
if (instance->irq != NO_IRQ)
free_irq(instance->irq, instance);
NCR5380_exit(instance);
out_unregister:
scsi_host_put(instance);
out_unmap:
iounmap(iomem);
out_release:
if (is_pmio)
release_region(base, region_size);
else
release_mem_region(base, region_size);
return ret;
}
static void generic_NCR5380_release_resources(struct Scsi_Host *instance)
{
struct NCR5380_hostdata *hostdata = shost_priv(instance);
void __iomem *iomem = hostdata->io;
unsigned long io_port = hostdata->io_port;
unsigned long base = hostdata->base;
unsigned long region_size = hostdata->region_size;
scsi_remove_host(instance);
if (instance->irq != NO_IRQ)
free_irq(instance->irq, instance);
NCR5380_exit(instance);
scsi_host_put(instance);
iounmap(iomem);
if (io_port)
release_region(io_port, region_size);
else
release_mem_region(base, region_size);
}
/* wait_for_53c80_access - wait for 53C80 registers to become accessible
* @ hostdata : scsi host private data
*
* The registers within the 53 C80 logic block are inaccessible until
* bit 7 in the 53 C400 control status register gets asserted .
*/
static void wait_for_53c80_access(struct NCR5380_hostdata *hostdata)
{
int count = 10000 ;
do {
if (hostdata->board == BOARD_DTC3181E)
udelay(4 ); /* DTC436 chip hangs without this */
if (NCR5380_read(hostdata->c400_ctl_status) & CSR_53C80_REG)
return ;
} while (--count > 0 );
scmd_printk(KERN_ERR, hostdata->connected,
"53c80 registers not accessible, device will be reset\n" );
NCR5380_write(hostdata->c400_ctl_status, CSR_RESET);
NCR5380_write(hostdata->c400_ctl_status, CSR_BASE);
}
/**
* generic_NCR5380_precv - pseudo DMA receive
* @ hostdata : scsi host private data
* @ dst : buffer to write into
* @ len : transfer size
*
* Perform a pseudo DMA mode receive from a 53 C400 or equivalent device .
*/
static inline int generic_NCR5380_precv(struct NCR5380_hostdata *hostdata,
unsigned char *dst, int len)
{
int residual;
int start = 0 ;
NCR5380_write(hostdata->c400_ctl_status, CSR_BASE | CSR_TRANS_DIR);
NCR5380_write(hostdata->c400_blk_cnt, len / 128 );
do {
if (start == len - 128 ) {
/* Ignore End of DMA interrupt for the final buffer */
if (NCR5380_poll_politely(hostdata, hostdata->c400_ctl_status,
CSR_HOST_BUF_NOT_RDY, 0 , 0 ) < 0 )
break ;
} else {
if (NCR5380_poll_politely2(hostdata, hostdata->c400_ctl_status,
CSR_HOST_BUF_NOT_RDY, 0 ,
hostdata->c400_ctl_status,
CSR_GATED_53C80_IRQ,
CSR_GATED_53C80_IRQ, 0 ) < 0 ||
NCR5380_read(hostdata->c400_ctl_status) & CSR_HOST_BUF_NOT_RDY)
break ;
}
if (hostdata->io_port && hostdata->io_width == 2 )
insw(hostdata->io_port + hostdata->c400_host_buf,
dst + start, 64 );
else if (hostdata->io_port)
insb(hostdata->io_port + hostdata->c400_host_buf,
dst + start, 128 );
else
memcpy_fromio(dst + start,
hostdata->io + NCR53C400_host_buffer, 128 );
start += 128 ;
} while (start < len);
residual = len - start;
if (residual != 0 ) {
/* 53c80 interrupt or transfer timeout. Reset 53c400 logic. */
NCR5380_write(hostdata->c400_ctl_status, CSR_RESET);
NCR5380_write(hostdata->c400_ctl_status, CSR_BASE);
}
wait_for_53c80_access(hostdata);
if (residual == 0 && NCR5380_poll_politely(hostdata, BUS_AND_STATUS_REG,
BASR_END_DMA_TRANSFER,
BASR_END_DMA_TRANSFER,
0 ) < 0 )
scmd_printk(KERN_ERR, hostdata->connected, "%s: End of DMA timeout\n" ,
__func__);
hostdata->pdma_residual = residual;
return 0 ;
}
/**
* generic_NCR5380_psend - pseudo DMA send
* @ hostdata : scsi host private data
* @ src : buffer to read from
* @ len : transfer size
*
* Perform a pseudo DMA mode send to a 53 C400 or equivalent device .
*/
static inline int generic_NCR5380_psend(struct NCR5380_hostdata *hostdata,
unsigned char *src, int len)
{
int residual;
int start = 0 ;
NCR5380_write(hostdata->c400_ctl_status, CSR_BASE);
NCR5380_write(hostdata->c400_blk_cnt, len / 128 );
do {
if (NCR5380_poll_politely2(hostdata, hostdata->c400_ctl_status,
CSR_HOST_BUF_NOT_RDY, 0 ,
hostdata->c400_ctl_status,
CSR_GATED_53C80_IRQ,
CSR_GATED_53C80_IRQ, 0 ) < 0 ||
NCR5380_read(hostdata->c400_ctl_status) & CSR_HOST_BUF_NOT_RDY) {
/* Both 128 B buffers are in use */
if (start >= 128 )
start -= 128 ;
if (start >= 128 )
start -= 128 ;
break ;
}
if (start >= len && NCR5380_read(hostdata->c400_blk_cnt) == 0 )
break ;
if (NCR5380_read(hostdata->c400_ctl_status) & CSR_GATED_53C80_IRQ) {
/* Host buffer is empty, other one is in use */
if (start >= 128 )
start -= 128 ;
break ;
}
if (start >= len)
continue ;
if (hostdata->io_port && hostdata->io_width == 2 )
outsw(hostdata->io_port + hostdata->c400_host_buf,
src + start, 64 );
else if (hostdata->io_port)
outsb(hostdata->io_port + hostdata->c400_host_buf,
src + start, 128 );
else
memcpy_toio(hostdata->io + NCR53C400_host_buffer,
src + start, 128 );
start += 128 ;
} while (1 );
residual = len - start;
if (residual != 0 ) {
/* 53c80 interrupt or transfer timeout. Reset 53c400 logic. */
NCR5380_write(hostdata->c400_ctl_status, CSR_RESET);
NCR5380_write(hostdata->c400_ctl_status, CSR_BASE);
}
wait_for_53c80_access(hostdata);
if (residual == 0 ) {
if (NCR5380_poll_politely(hostdata, TARGET_COMMAND_REG,
TCR_LAST_BYTE_SENT, TCR_LAST_BYTE_SENT,
0 ) < 0 )
scmd_printk(KERN_ERR, hostdata->connected,
"%s: Last Byte Sent timeout\n" , __func__);
if (NCR5380_poll_politely(hostdata, BUS_AND_STATUS_REG,
BASR_END_DMA_TRANSFER, BASR_END_DMA_TRANSFER,
0 ) < 0 )
scmd_printk(KERN_ERR, hostdata->connected, "%s: End of DMA timeout\n" ,
__func__);
}
hostdata->pdma_residual = residual;
return 0 ;
}
static int generic_NCR5380_dma_xfer_len(struct NCR5380_hostdata *hostdata,
struct scsi_cmnd *cmd)
{
int transfersize = NCR5380_to_ncmd(cmd)->this_residual;
if (hostdata->flags & FLAG_NO_PSEUDO_DMA)
return 0 ;
/* 53C400 datasheet: non-modulo-128-byte transfers should use PIO */
if (transfersize % 128 )
return 0 ;
/* Limit PDMA send to 512 B to avoid random corruption on DTC3181E */
if (hostdata->board == BOARD_DTC3181E &&
cmd->sc_data_direction == DMA_TO_DEVICE)
transfersize = min(transfersize, 512 );
return min(transfersize, DMA_MAX_SIZE);
}
static int generic_NCR5380_dma_residual(struct NCR5380_hostdata *hostdata)
{
return hostdata->pdma_residual;
}
/* Include the core driver code. */
#include "NCR5380.c"
static const struct scsi_host_template driver_template = {
.module = THIS_MODULE,
.proc_name = DRV_MODULE_NAME,
.name = "Generic NCR5380/NCR53C400 SCSI" ,
.info = generic_NCR5380_info,
.queuecommand = generic_NCR5380_queue_command,
.eh_abort_handler = generic_NCR5380_abort,
.eh_host_reset_handler = generic_NCR5380_host_reset,
.can_queue = 16 ,
.this_id = 7 ,
.sg_tablesize = SG_ALL,
.cmd_per_lun = 2 ,
.dma_boundary = PAGE_SIZE - 1 ,
.cmd_size = sizeof (struct NCR5380_cmd),
.max_sectors = 128 ,
};
static int generic_NCR5380_isa_match(struct device *pdev, unsigned int ndev)
{
int ret = generic_NCR5380_init_one(&driver_template, pdev, base[ndev],
irq[ndev], card[ndev]);
if (ret) {
if (base[ndev])
printk(KERN_WARNING "Card not found at address 0x%03x\n" ,
base[ndev]);
return 0 ;
}
return 1 ;
}
static void generic_NCR5380_isa_remove(struct device *pdev,
unsigned int ndev)
{
generic_NCR5380_release_resources(dev_get_drvdata(pdev));
dev_set_drvdata(pdev, NULL);
}
static struct isa_driver generic_NCR5380_isa_driver = {
.match = generic_NCR5380_isa_match,
.remove = generic_NCR5380_isa_remove,
.driver = {
.name = DRV_MODULE_NAME
},
};
#ifdef CONFIG_PNP
static const struct pnp_device_id generic_NCR5380_pnp_ids[] = {
{ .id = "DTC436e" , .driver_data = BOARD_DTC3181E },
{ .id = "" }
};
MODULE_DEVICE_TABLE(pnp, generic_NCR5380_pnp_ids);
static int generic_NCR5380_pnp_probe(struct pnp_dev *pdev,
const struct pnp_device_id *id)
{
int base, irq;
if (pnp_activate_dev(pdev) < 0 )
return -EBUSY;
base = pnp_port_start(pdev, 0 );
irq = pnp_irq(pdev, 0 );
return generic_NCR5380_init_one(&driver_template, &pdev->dev, base, irq,
id->driver_data);
}
static void generic_NCR5380_pnp_remove(struct pnp_dev *pdev)
{
generic_NCR5380_release_resources(pnp_get_drvdata(pdev));
pnp_set_drvdata(pdev, NULL);
}
static struct pnp_driver generic_NCR5380_pnp_driver = {
.name = DRV_MODULE_NAME,
.id_table = generic_NCR5380_pnp_ids,
.probe = generic_NCR5380_pnp_probe,
.remove = generic_NCR5380_pnp_remove,
};
#endif /* defined(CONFIG_PNP) */
static int pnp_registered, isa_registered;
static int __init generic_NCR5380_init(void )
{
int ret = 0 ;
/* compatibility with old-style parameters */
if (irq[0 ] == -1 && base[0 ] == 0 && card[0 ] == -1 ) {
irq[0 ] = ncr_irq;
base[0 ] = ncr_addr;
if (ncr_5380)
card[0 ] = BOARD_NCR5380;
if (ncr_53c400)
card[0 ] = BOARD_NCR53C400;
if (ncr_53c400a)
card[0 ] = BOARD_NCR53C400A;
if (dtc_3181e)
card[0 ] = BOARD_DTC3181E;
if (hp_c2502)
card[0 ] = BOARD_HP_C2502;
}
#ifdef CONFIG_PNP
if (!pnp_register_driver(&generic_NCR5380_pnp_driver))
pnp_registered = 1 ;
#endif
ret = isa_register_driver(&generic_NCR5380_isa_driver, MAX_CARDS);
if (!ret)
isa_registered = 1 ;
return (pnp_registered || isa_registered) ? 0 : ret;
}
static void __exit generic_NCR5380_exit(void )
{
#ifdef CONFIG_PNP
if (pnp_registered)
pnp_unregister_driver(&generic_NCR5380_pnp_driver);
#endif
if (isa_registered)
isa_unregister_driver(&generic_NCR5380_isa_driver);
}
module_init(generic_NCR5380_init);
module_exit(generic_NCR5380_exit);
Messung V0.5 in Prozent C=96 H=90 G=93
¤ Dauer der Verarbeitung: 0.15 Sekunden
(vorverarbeitet am 2026-09-29)
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