/*
* ISA Plug & Play support
- * Copyright (c) by Jaroslav Kysela <perex@suse.cz>
+ * Copyright (c) by Jaroslav Kysela <perex@perex.cz>
*
*
* This program is free software; you can redistribute it and/or modify
#if 0
#define ISAPNP_REGION_OK
#endif
-#if 0
-#define ISAPNP_DEBUG
-#endif
-int isapnp_disable; /* Disable ISA PnP */
-static int isapnp_rdp; /* Read Data Port */
-static int isapnp_reset = 1; /* reset all PnP cards (deactivate) */
-static int isapnp_verbose = 1; /* verbose mode */
+int isapnp_disable; /* Disable ISA PnP */
+static int isapnp_rdp; /* Read Data Port */
+static int isapnp_reset = 1; /* reset all PnP cards (deactivate) */
+static int isapnp_verbose = 1; /* verbose mode */
-MODULE_AUTHOR("Jaroslav Kysela <perex@suse.cz>");
+MODULE_AUTHOR("Jaroslav Kysela <perex@perex.cz>");
MODULE_DESCRIPTION("Generic ISA Plug & Play support");
module_param(isapnp_disable, int, 0);
MODULE_PARM_DESC(isapnp_disable, "ISA Plug & Play disable");
static unsigned char isapnp_checksum_value;
static DEFINE_MUTEX(isapnp_cfg_mutex);
-static int isapnp_detected;
static int isapnp_csn_count;
/* some prototypes */
unsigned short val;
val = isapnp_read_byte(idx);
- val = (val << 8) + isapnp_read_byte(idx+1);
+ val = (val << 8) + isapnp_read_byte(idx + 1);
return val;
}
static void isapnp_write_word(unsigned char idx, unsigned short val)
{
isapnp_write_byte(idx, val >> 8);
- isapnp_write_byte(idx+1, val);
+ isapnp_write_byte(idx + 1, val);
}
static void isapnp_key(void)
static void __init isapnp_peek(unsigned char *data, int bytes)
{
int i, j;
- unsigned char d=0;
+ unsigned char d = 0;
for (i = 1; i <= bytes; i++) {
for (j = 0; j < 20; j++) {
{
int rdp = isapnp_rdp;
static int old_rdp = 0;
-
- if(old_rdp)
- {
+
+ if (old_rdp) {
release_region(old_rdp, 1);
old_rdp = 0;
}
while (rdp <= 0x3ff) {
/*
- * We cannot use NE2000 probe spaces for ISAPnP or we
- * will lock up machines.
+ * We cannot use NE2000 probe spaces for ISAPnP or we
+ * will lock up machines.
*/
- if ((rdp < 0x280 || rdp > 0x380) && request_region(rdp, 1, "ISAPnP"))
- {
+ if ((rdp < 0x280 || rdp > 0x380)
+ && request_region(rdp, 1, "ISAPnP")) {
isapnp_rdp = rdp;
old_rdp = rdp;
return 0;
* Perform an isolation. The port selection code now tries to avoid
* "dangerous to read" ports.
*/
-
static int __init isapnp_isolate_rdp_select(void)
{
isapnp_wait();
/*
* Isolate (assign uniqued CSN) to all ISA PnP devices.
*/
-
static int __init isapnp_isolate(void)
{
unsigned char checksum = 0x6a;
udelay(250);
if (data == 0x55aa)
bit = 0x01;
- checksum = ((((checksum ^ (checksum >> 1)) & 0x01) ^ bit) << 7) | (checksum >> 1);
+ checksum =
+ ((((checksum ^ (checksum >> 1)) & 0x01) ^ bit) << 7)
+ | (checksum >> 1);
bit = 0x00;
}
for (i = 65; i <= 72; i++) {
} else if (iteration > 1) {
break;
}
- __next:
+__next:
if (csn == 255)
break;
checksum = 0x6a;
/*
* Read one tag from stream.
*/
-
static int __init isapnp_read_tag(unsigned char *type, unsigned short *size)
{
unsigned char tag, tmp[2];
isapnp_peek(&tag, 1);
- if (tag == 0) /* invalid tag */
+ if (tag == 0) /* invalid tag */
return -1;
if (tag & 0x80) { /* large item */
*type = tag;
*size = tag & 0x07;
}
#if 0
- printk(KERN_DEBUG "tag = 0x%x, type = 0x%x, size = %i\n", tag, *type, *size);
+ printk(KERN_DEBUG "tag = 0x%x, type = 0x%x, size = %i\n", tag, *type,
+ *size);
#endif
- if (type == 0) /* wrong type */
- return -1;
if (*type == 0xff && *size == 0xffff) /* probably invalid data */
return -1;
return 0;
/*
* Skip specified number of bytes from stream.
*/
-
static void __init isapnp_skip_bytes(int count)
{
isapnp_peek(NULL, count);
/*
* Parse EISA id.
*/
-
-static void isapnp_parse_id(struct pnp_dev * dev, unsigned short vendor, unsigned short device)
+static void isapnp_parse_id(struct pnp_dev *dev, unsigned short vendor,
+ unsigned short device)
{
- struct pnp_id * id;
+ struct pnp_id *id;
+
if (!dev)
return;
id = kzalloc(sizeof(struct pnp_id), GFP_KERNEL);
if (!id)
return;
sprintf(id->id, "%c%c%c%x%x%x%x",
- 'A' + ((vendor >> 2) & 0x3f) - 1,
- 'A' + (((vendor & 3) << 3) | ((vendor >> 13) & 7)) - 1,
- 'A' + ((vendor >> 8) & 0x1f) - 1,
- (device >> 4) & 0x0f,
- device & 0x0f,
- (device >> 12) & 0x0f,
- (device >> 8) & 0x0f);
+ 'A' + ((vendor >> 2) & 0x3f) - 1,
+ 'A' + (((vendor & 3) << 3) | ((vendor >> 13) & 7)) - 1,
+ 'A' + ((vendor >> 8) & 0x1f) - 1,
+ (device >> 4) & 0x0f,
+ device & 0x0f, (device >> 12) & 0x0f, (device >> 8) & 0x0f);
pnp_add_id(id, dev);
}
/*
* Parse logical device tag.
*/
-
-static struct pnp_dev * __init isapnp_parse_device(struct pnp_card *card, int size, int number)
+static struct pnp_dev *__init isapnp_parse_device(struct pnp_card *card,
+ int size, int number)
{
unsigned char tmp[6];
struct pnp_dev *dev;
return dev;
}
-
/*
* Add IRQ resource to resources list.
*/
-
static void __init isapnp_parse_irq_resource(struct pnp_option *option,
- int size)
+ int size)
{
unsigned char tmp[3];
struct pnp_irq *irq;
else
irq->flags = IORESOURCE_IRQ_HIGHEDGE;
pnp_register_irq_resource(option, irq);
- return;
}
/*
* Add DMA resource to resources list.
*/
-
static void __init isapnp_parse_dma_resource(struct pnp_option *option,
- int size)
+ int size)
{
unsigned char tmp[2];
struct pnp_dma *dma;
dma->map = tmp[0];
dma->flags = tmp[1];
pnp_register_dma_resource(option, dma);
- return;
}
/*
* Add port resource to resources list.
*/
-
static void __init isapnp_parse_port_resource(struct pnp_option *option,
- int size)
+ int size)
{
unsigned char tmp[7];
struct pnp_port *port;
port->align = tmp[5];
port->size = tmp[6];
port->flags = tmp[0] ? PNP_PORT_FLAG_16BITADDR : 0;
- pnp_register_port_resource(option,port);
- return;
+ pnp_register_port_resource(option, port);
}
/*
* Add fixed port resource to resources list.
*/
-
static void __init isapnp_parse_fixed_port_resource(struct pnp_option *option,
- int size)
+ int size)
{
unsigned char tmp[3];
struct pnp_port *port;
port->size = tmp[2];
port->align = 0;
port->flags = PNP_PORT_FLAG_FIXED;
- pnp_register_port_resource(option,port);
- return;
+ pnp_register_port_resource(option, port);
}
/*
* Add memory resource to resources list.
*/
-
static void __init isapnp_parse_mem_resource(struct pnp_option *option,
- int size)
+ int size)
{
unsigned char tmp[9];
struct pnp_mem *mem;
mem->align = (tmp[6] << 8) | tmp[5];
mem->size = ((tmp[8] << 8) | tmp[7]) << 8;
mem->flags = tmp[0];
- pnp_register_mem_resource(option,mem);
- return;
+ pnp_register_mem_resource(option, mem);
}
/*
* Add 32-bit memory resource to resources list.
*/
-
static void __init isapnp_parse_mem32_resource(struct pnp_option *option,
- int size)
+ int size)
{
unsigned char tmp[17];
struct pnp_mem *mem;
return;
mem->min = (tmp[4] << 24) | (tmp[3] << 16) | (tmp[2] << 8) | tmp[1];
mem->max = (tmp[8] << 24) | (tmp[7] << 16) | (tmp[6] << 8) | tmp[5];
- mem->align = (tmp[12] << 24) | (tmp[11] << 16) | (tmp[10] << 8) | tmp[9];
- mem->size = (tmp[16] << 24) | (tmp[15] << 16) | (tmp[14] << 8) | tmp[13];
+ mem->align =
+ (tmp[12] << 24) | (tmp[11] << 16) | (tmp[10] << 8) | tmp[9];
+ mem->size =
+ (tmp[16] << 24) | (tmp[15] << 16) | (tmp[14] << 8) | tmp[13];
mem->flags = tmp[0];
- pnp_register_mem_resource(option,mem);
+ pnp_register_mem_resource(option, mem);
}
/*
* Add 32-bit fixed memory resource to resources list.
*/
-
static void __init isapnp_parse_fixed_mem32_resource(struct pnp_option *option,
- int size)
+ int size)
{
unsigned char tmp[9];
struct pnp_mem *mem;
mem = kzalloc(sizeof(struct pnp_mem), GFP_KERNEL);
if (!mem)
return;
- mem->min = mem->max = (tmp[4] << 24) | (tmp[3] << 16) | (tmp[2] << 8) | tmp[1];
+ mem->min = mem->max =
+ (tmp[4] << 24) | (tmp[3] << 16) | (tmp[2] << 8) | tmp[1];
mem->size = (tmp[8] << 24) | (tmp[7] << 16) | (tmp[6] << 8) | tmp[5];
mem->align = 0;
mem->flags = tmp[0];
- pnp_register_mem_resource(option,mem);
+ pnp_register_mem_resource(option, mem);
}
/*
* Parse card name for ISA PnP device.
- */
-
+ */
static void __init
isapnp_parse_name(char *name, unsigned int name_max, unsigned short *size)
{
if (name[0] == '\0') {
- unsigned short size1 = *size >= name_max ? (name_max - 1) : *size;
+ unsigned short size1 =
+ *size >= name_max ? (name_max - 1) : *size;
isapnp_peek(name, size1);
name[size1] = '\0';
*size -= size1;
/* clean whitespace from end of string */
- while (size1 > 0 && name[--size1] == ' ')
+ while (size1 > 0 && name[--size1] == ' ')
name[size1] = '\0';
}
}
/*
* Parse resource map for logical device.
*/
-
static int __init isapnp_create_device(struct pnp_card *card,
unsigned short size)
{
unsigned char type, tmp[17];
struct pnp_option *option;
struct pnp_dev *dev;
+
if ((dev = isapnp_parse_device(card, size, number++)) == NULL)
return 1;
option = pnp_register_independent_option(dev);
kfree(dev);
return 1;
}
- pnp_add_card_device(card,dev);
+ pnp_add_card_device(card, dev);
while (1) {
- if (isapnp_read_tag(&type, &size)<0)
+ if (isapnp_read_tag(&type, &size) < 0)
return 1;
if (skip && type != _STAG_LOGDEVID && type != _STAG_END)
goto __skip;
switch (type) {
case _STAG_LOGDEVID:
if (size >= 5 && size <= 6) {
- if ((dev = isapnp_parse_device(card, size, number++)) == NULL)
+ if ((dev =
+ isapnp_parse_device(card, size,
+ number++)) == NULL)
return 1;
size = 0;
skip = 0;
kfree(dev);
return 1;
}
- pnp_add_card_device(card,dev);
+ pnp_add_card_device(card, dev);
} else {
skip = 1;
}
case _STAG_COMPATDEVID:
if (size == 4 && compat < DEVICE_COUNT_COMPATIBLE) {
isapnp_peek(tmp, 4);
- isapnp_parse_id(dev,(tmp[1] << 8) | tmp[0], (tmp[3] << 8) | tmp[2]);
+ isapnp_parse_id(dev, (tmp[1] << 8) | tmp[0],
+ (tmp[3] << 8) | tmp[2]);
compat++;
size = 0;
}
priority = 0x100 | tmp[0];
size = 0;
}
- option = pnp_register_dependent_option(dev,priority);
+ option = pnp_register_dependent_option(dev, priority);
if (!option)
return 1;
break;
isapnp_skip_bytes(size);
return 1;
default:
- printk(KERN_ERR "isapnp: unexpected or unknown tag type 0x%x for logical device %i (device %i), ignored\n", type, dev->number, card->number);
+ printk(KERN_ERR
+ "isapnp: unexpected or unknown tag type 0x%x for logical device %i (device %i), ignored\n",
+ type, dev->number, card->number);
}
- __skip:
- if (size > 0)
- isapnp_skip_bytes(size);
+__skip:
+ if (size > 0)
+ isapnp_skip_bytes(size);
}
return 0;
}
/*
* Parse resource map for ISA PnP card.
*/
-
static void __init isapnp_parse_resource_map(struct pnp_card *card)
{
unsigned char type, tmp[17];
unsigned short size;
while (1) {
- if (isapnp_read_tag(&type, &size)<0)
+ if (isapnp_read_tag(&type, &size) < 0)
return;
switch (type) {
case _STAG_PNPVERNO:
break;
case _STAG_LOGDEVID:
if (size >= 5 && size <= 6) {
- if (isapnp_create_device(card, size)==1)
+ if (isapnp_create_device(card, size) == 1)
return;
size = 0;
}
case _STAG_VENDOR:
break;
case _LTAG_ANSISTR:
- isapnp_parse_name(card->name, sizeof(card->name), &size);
+ isapnp_parse_name(card->name, sizeof(card->name),
+ &size);
break;
case _LTAG_UNICODESTR:
/* silently ignore */
isapnp_skip_bytes(size);
return;
default:
- printk(KERN_ERR "isapnp: unexpected or unknown tag type 0x%x for device %i, ignored\n", type, card->number);
+ printk(KERN_ERR
+ "isapnp: unexpected or unknown tag type 0x%x for device %i, ignored\n",
+ type, card->number);
}
- __skip:
- if (size > 0)
- isapnp_skip_bytes(size);
+__skip:
+ if (size > 0)
+ isapnp_skip_bytes(size);
}
}
/*
* Compute ISA PnP checksum for first eight bytes.
*/
-
static unsigned char __init isapnp_checksum(unsigned char *data)
{
int i, j;
bit = 0;
if (b & (1 << j))
bit = 1;
- checksum = ((((checksum ^ (checksum >> 1)) & 0x01) ^ bit) << 7) | (checksum >> 1);
+ checksum =
+ ((((checksum ^ (checksum >> 1)) & 0x01) ^ bit) << 7)
+ | (checksum >> 1);
}
}
return checksum;
/*
* Parse EISA id for ISA PnP card.
*/
-
-static void isapnp_parse_card_id(struct pnp_card * card, unsigned short vendor, unsigned short device)
+static void isapnp_parse_card_id(struct pnp_card *card, unsigned short vendor,
+ unsigned short device)
{
- struct pnp_id * id = kzalloc(sizeof(struct pnp_id), GFP_KERNEL);
+ struct pnp_id *id = kzalloc(sizeof(struct pnp_id), GFP_KERNEL);
+
if (!id)
return;
sprintf(id->id, "%c%c%c%x%x%x%x",
- 'A' + ((vendor >> 2) & 0x3f) - 1,
- 'A' + (((vendor & 3) << 3) | ((vendor >> 13) & 7)) - 1,
- 'A' + ((vendor >> 8) & 0x1f) - 1,
- (device >> 4) & 0x0f,
- device & 0x0f,
- (device >> 12) & 0x0f,
- (device >> 8) & 0x0f);
- pnp_add_card_id(id,card);
+ 'A' + ((vendor >> 2) & 0x3f) - 1,
+ 'A' + (((vendor & 3) << 3) | ((vendor >> 13) & 7)) - 1,
+ 'A' + ((vendor >> 8) & 0x1f) - 1,
+ (device >> 4) & 0x0f,
+ device & 0x0f, (device >> 12) & 0x0f, (device >> 8) & 0x0f);
+ pnp_add_card_id(id, card);
}
/*
* Build device list for all present ISA PnP devices.
*/
-
static int __init isapnp_build_device_list(void)
{
int csn;
isapnp_peek(header, 9);
checksum = isapnp_checksum(header);
#if 0
- printk(KERN_DEBUG "vendor: %02x:%02x:%02x:%02x:%02x:%02x:%02x:%02x:%02x\n",
- header[0], header[1], header[2], header[3],
- header[4], header[5], header[6], header[7], header[8]);
+ printk(KERN_DEBUG
+ "vendor: %02x:%02x:%02x:%02x:%02x:%02x:%02x:%02x:%02x\n",
+ header[0], header[1], header[2], header[3], header[4],
+ header[5], header[6], header[7], header[8]);
printk(KERN_DEBUG "checksum = 0x%x\n", checksum);
#endif
- if ((card = kzalloc(sizeof(struct pnp_card), GFP_KERNEL)) == NULL)
+ if ((card =
+ kzalloc(sizeof(struct pnp_card), GFP_KERNEL)) == NULL)
continue;
card->number = csn;
INIT_LIST_HEAD(&card->devices);
- isapnp_parse_card_id(card, (header[1] << 8) | header[0], (header[3] << 8) | header[2]);
- card->serial = (header[7] << 24) | (header[6] << 16) | (header[5] << 8) | header[4];
+ isapnp_parse_card_id(card, (header[1] << 8) | header[0],
+ (header[3] << 8) | header[2]);
+ card->serial =
+ (header[7] << 24) | (header[6] << 16) | (header[5] << 8) |
+ header[4];
isapnp_checksum_value = 0x00;
isapnp_parse_resource_map(card);
if (isapnp_checksum_value != 0x00)
- printk(KERN_ERR "isapnp: checksum for device %i is not valid (0x%x)\n", csn, isapnp_checksum_value);
+ printk(KERN_ERR
+ "isapnp: checksum for device %i is not valid (0x%x)\n",
+ csn, isapnp_checksum_value);
card->checksum = isapnp_checksum_value;
card->protocol = &isapnp_protocol;
int isapnp_present(void)
{
struct pnp_card *card;
+
pnp_for_each_card(card) {
if (card->protocol == &isapnp_protocol)
return 1;
/* it is possible to set RDP only in the isolation phase */
/* Jens Thoms Toerring <Jens.Toerring@physik.fu-berlin.de> */
isapnp_write_byte(0x02, 0x04); /* clear CSN of card */
- mdelay(2); /* is this necessary? */
- isapnp_wake(csn); /* bring card into sleep state */
- isapnp_wake(0); /* bring card into isolation state */
- isapnp_set_rdp(); /* reset the RDP port */
- udelay(1000); /* delay 1000us */
+ mdelay(2); /* is this necessary? */
+ isapnp_wake(csn); /* bring card into sleep state */
+ isapnp_wake(0); /* bring card into isolation state */
+ isapnp_set_rdp(); /* reset the RDP port */
+ udelay(1000); /* delay 1000us */
isapnp_write_byte(0x06, csn); /* reset CSN to previous value */
- udelay(250); /* is this necessary? */
+ udelay(250); /* is this necessary? */
#endif
if (logdev >= 0)
isapnp_device(logdev);
return 0;
}
-
/*
- * Inititialization.
+ * Initialization.
*/
-
EXPORT_SYMBOL(isapnp_protocol);
EXPORT_SYMBOL(isapnp_present);
EXPORT_SYMBOL(isapnp_cfg_begin);
EXPORT_SYMBOL(isapnp_cfg_end);
-#if 0
-EXPORT_SYMBOL(isapnp_read_byte);
-#endif
EXPORT_SYMBOL(isapnp_write_byte);
-static int isapnp_read_resources(struct pnp_dev *dev, struct pnp_resource_table *res)
+static int isapnp_read_resources(struct pnp_dev *dev,
+ struct pnp_resource_table *res)
{
int tmp, ret;
res->port_resource[tmp].flags = IORESOURCE_IO;
}
for (tmp = 0; tmp < PNP_MAX_MEM; tmp++) {
- ret = isapnp_read_word(ISAPNP_CFG_MEM + (tmp << 3)) << 8;
+ ret =
+ isapnp_read_word(ISAPNP_CFG_MEM + (tmp << 3)) << 8;
if (!ret)
continue;
res->mem_resource[tmp].start = ret;
res->mem_resource[tmp].flags = IORESOURCE_MEM;
}
for (tmp = 0; tmp < PNP_MAX_IRQ; tmp++) {
- ret = (isapnp_read_word(ISAPNP_CFG_IRQ + (tmp << 1)) >> 8);
+ ret =
+ (isapnp_read_word(ISAPNP_CFG_IRQ + (tmp << 1)) >>
+ 8);
if (!ret)
continue;
- res->irq_resource[tmp].start = res->irq_resource[tmp].end = ret;
+ res->irq_resource[tmp].start =
+ res->irq_resource[tmp].end = ret;
res->irq_resource[tmp].flags = IORESOURCE_IRQ;
}
for (tmp = 0; tmp < PNP_MAX_DMA; tmp++) {
ret = isapnp_read_byte(ISAPNP_CFG_DMA + tmp);
if (ret == 4)
continue;
- res->dma_resource[tmp].start = res->dma_resource[tmp].end = ret;
+ res->dma_resource[tmp].start =
+ res->dma_resource[tmp].end = ret;
res->dma_resource[tmp].flags = IORESOURCE_DMA;
}
}
return 0;
}
-static int isapnp_get_resources(struct pnp_dev *dev, struct pnp_resource_table * res)
+static int isapnp_get_resources(struct pnp_dev *dev,
+ struct pnp_resource_table *res)
{
int ret;
+
pnp_init_resource_table(res);
isapnp_cfg_begin(dev->card->number, dev->number);
ret = isapnp_read_resources(dev, res);
return ret;
}
-static int isapnp_set_resources(struct pnp_dev *dev, struct pnp_resource_table * res)
+static int isapnp_set_resources(struct pnp_dev *dev,
+ struct pnp_resource_table *res)
{
int tmp;
isapnp_cfg_begin(dev->card->number, dev->number);
dev->active = 1;
- for (tmp = 0; tmp < PNP_MAX_PORT && (res->port_resource[tmp].flags & (IORESOURCE_IO | IORESOURCE_UNSET)) == IORESOURCE_IO; tmp++)
- isapnp_write_word(ISAPNP_CFG_PORT+(tmp<<1), res->port_resource[tmp].start);
- for (tmp = 0; tmp < PNP_MAX_IRQ && (res->irq_resource[tmp].flags & (IORESOURCE_IRQ | IORESOURCE_UNSET)) == IORESOURCE_IRQ; tmp++) {
+ for (tmp = 0;
+ tmp < PNP_MAX_PORT
+ && (res->port_resource[tmp].
+ flags & (IORESOURCE_IO | IORESOURCE_UNSET)) == IORESOURCE_IO;
+ tmp++)
+ isapnp_write_word(ISAPNP_CFG_PORT + (tmp << 1),
+ res->port_resource[tmp].start);
+ for (tmp = 0;
+ tmp < PNP_MAX_IRQ
+ && (res->irq_resource[tmp].
+ flags & (IORESOURCE_IRQ | IORESOURCE_UNSET)) == IORESOURCE_IRQ;
+ tmp++) {
int irq = res->irq_resource[tmp].start;
if (irq == 2)
irq = 9;
- isapnp_write_byte(ISAPNP_CFG_IRQ+(tmp<<1), irq);
+ isapnp_write_byte(ISAPNP_CFG_IRQ + (tmp << 1), irq);
}
- for (tmp = 0; tmp < PNP_MAX_DMA && (res->dma_resource[tmp].flags & (IORESOURCE_DMA | IORESOURCE_UNSET)) == IORESOURCE_DMA; tmp++)
- isapnp_write_byte(ISAPNP_CFG_DMA+tmp, res->dma_resource[tmp].start);
- for (tmp = 0; tmp < PNP_MAX_MEM && (res->mem_resource[tmp].flags & (IORESOURCE_MEM | IORESOURCE_UNSET)) == IORESOURCE_MEM; tmp++)
- isapnp_write_word(ISAPNP_CFG_MEM+(tmp<<3), (res->mem_resource[tmp].start >> 8) & 0xffff);
+ for (tmp = 0;
+ tmp < PNP_MAX_DMA
+ && (res->dma_resource[tmp].
+ flags & (IORESOURCE_DMA | IORESOURCE_UNSET)) == IORESOURCE_DMA;
+ tmp++)
+ isapnp_write_byte(ISAPNP_CFG_DMA + tmp,
+ res->dma_resource[tmp].start);
+ for (tmp = 0;
+ tmp < PNP_MAX_MEM
+ && (res->mem_resource[tmp].
+ flags & (IORESOURCE_MEM | IORESOURCE_UNSET)) == IORESOURCE_MEM;
+ tmp++)
+ isapnp_write_word(ISAPNP_CFG_MEM + (tmp << 3),
+ (res->mem_resource[tmp].start >> 8) & 0xffff);
/* FIXME: We aren't handling 32bit mems properly here */
isapnp_activate(dev->number);
isapnp_cfg_end();
static int isapnp_disable_resources(struct pnp_dev *dev)
{
- if (!dev || !dev->active)
+ if (!dev->active)
return -EINVAL;
isapnp_cfg_begin(dev->card->number, dev->number);
isapnp_deactivate(dev->number);
}
struct pnp_protocol isapnp_protocol = {
- .name = "ISA Plug and Play",
- .get = isapnp_get_resources,
- .set = isapnp_set_resources,
+ .name = "ISA Plug and Play",
+ .get = isapnp_get_resources,
+ .set = isapnp_set_resources,
.disable = isapnp_disable_resources,
};
struct pnp_dev *dev;
if (isapnp_disable) {
- isapnp_detected = 0;
printk(KERN_INFO "isapnp: ISA Plug & Play support disabled\n");
return 0;
}
#endif
#ifdef ISAPNP_REGION_OK
if (!request_region(_PIDXR, 1, "isapnp index")) {
- printk(KERN_ERR "isapnp: Index Register 0x%x already used\n", _PIDXR);
+ printk(KERN_ERR "isapnp: Index Register 0x%x already used\n",
+ _PIDXR);
return -EBUSY;
}
#endif
if (!request_region(_PNPWRP, 1, "isapnp write")) {
- printk(KERN_ERR "isapnp: Write Data Register 0x%x already used\n", _PNPWRP);
+ printk(KERN_ERR
+ "isapnp: Write Data Register 0x%x already used\n",
+ _PNPWRP);
#ifdef ISAPNP_REGION_OK
release_region(_PIDXR, 1);
#endif
return -EBUSY;
}
- if(pnp_register_protocol(&isapnp_protocol)<0)
+ if (pnp_register_protocol(&isapnp_protocol) < 0)
return -EBUSY;
/*
- * Print a message. The existing ISAPnP code is hanging machines
- * so let the user know where.
+ * Print a message. The existing ISAPnP code is hanging machines
+ * so let the user know where.
*/
-
+
printk(KERN_INFO "isapnp: Scanning for PnP cards...\n");
if (isapnp_rdp >= 0x203 && isapnp_rdp <= 0x3ff) {
isapnp_rdp |= 3;
if (!request_region(isapnp_rdp, 1, "isapnp read")) {
- printk(KERN_ERR "isapnp: Read Data Register 0x%x already used\n", isapnp_rdp);
+ printk(KERN_ERR
+ "isapnp: Read Data Register 0x%x already used\n",
+ isapnp_rdp);
#ifdef ISAPNP_REGION_OK
release_region(_PIDXR, 1);
#endif
}
isapnp_set_rdp();
}
- isapnp_detected = 1;
if (isapnp_rdp < 0x203 || isapnp_rdp > 0x3ff) {
cards = isapnp_isolate();
- if (cards < 0 ||
- (isapnp_rdp < 0x203 || isapnp_rdp > 0x3ff)) {
+ if (cards < 0 || (isapnp_rdp < 0x203 || isapnp_rdp > 0x3ff)) {
#ifdef ISAPNP_REGION_OK
release_region(_PIDXR, 1);
#endif
release_region(_PNPWRP, 1);
- isapnp_detected = 0;
- printk(KERN_INFO "isapnp: No Plug & Play device found\n");
+ printk(KERN_INFO
+ "isapnp: No Plug & Play device found\n");
return 0;
}
request_region(isapnp_rdp, 1, "isapnp read");
isapnp_build_device_list();
cards = 0;
- protocol_for_each_card(&isapnp_protocol,card) {
+ protocol_for_each_card(&isapnp_protocol, card) {
cards++;
if (isapnp_verbose) {
- printk(KERN_INFO "isapnp: Card '%s'\n", card->name[0]?card->name:"Unknown");
+ printk(KERN_INFO "isapnp: Card '%s'\n",
+ card->name[0] ? card->name : "Unknown");
if (isapnp_verbose < 2)
continue;
- card_for_each_dev(card,dev) {
- printk(KERN_INFO "isapnp: Device '%s'\n", dev->name[0]?dev->name:"Unknown");
+ card_for_each_dev(card, dev) {
+ printk(KERN_INFO "isapnp: Device '%s'\n",
+ dev->name[0] ? dev->name : "Unknown");
}
}
}
- if (cards) {
- printk(KERN_INFO "isapnp: %i Plug & Play card%s detected total\n", cards, cards>1?"s":"");
- } else {
+ if (cards)
+ printk(KERN_INFO
+ "isapnp: %i Plug & Play card%s detected total\n", cards,
+ cards > 1 ? "s" : "");
+ else
printk(KERN_INFO "isapnp: No Plug & Play card found\n");
- }
isapnp_proc_init();
return 0;
static int __init isapnp_setup_isapnp(char *str)
{
- (void)((get_option(&str,&isapnp_rdp) == 2) &&
- (get_option(&str,&isapnp_reset) == 2) &&
- (get_option(&str,&isapnp_verbose) == 2));
+ (void)((get_option(&str, &isapnp_rdp) == 2) &&
+ (get_option(&str, &isapnp_reset) == 2) &&
+ (get_option(&str, &isapnp_verbose) == 2));
return 1;
}
__setup("isapnp=", isapnp_setup_isapnp);
-
git://bbs.cooldavid.org / net-next-2.6.git / blobdiff