/*
* 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
* 2003-08-11 Resource Management Updates - Adam Belay <ambx1@neo.rr.com>
*/
-#include <linux/config.h>
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/errno.h>
#include <linux/delay.h>
#include <linux/init.h>
#include <linux/isapnp.h>
+#include <linux/mutex.h>
#include <asm/io.h>
+#include "../base.h"
+
#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");
#define _LTAG_MEM32RANGE 0x85
#define _LTAG_FIXEDMEM32RANGE 0x86
+/* Logical device control and configuration registers */
+
+#define ISAPNP_CFG_ACTIVATE 0x30 /* byte */
+#define ISAPNP_CFG_MEM 0x40 /* 4 * dword */
+#define ISAPNP_CFG_PORT 0x60 /* 8 * word */
+#define ISAPNP_CFG_IRQ 0x70 /* 2 * word */
+#define ISAPNP_CFG_DMA 0x74 /* 2 * byte */
+
+/*
+ * Sizes of ISAPNP logical device configuration register sets.
+ * See PNP-ISA-v1.0a.pdf, Appendix A.
+ */
+#define ISAPNP_MAX_MEM 4
+#define ISAPNP_MAX_PORT 8
+#define ISAPNP_MAX_IRQ 2
+#define ISAPNP_MAX_DMA 2
+
static unsigned char isapnp_checksum_value;
-static DECLARE_MUTEX(isapnp_cfg_mutex);
-static int isapnp_detected;
+static DEFINE_MUTEX(isapnp_cfg_mutex);
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)
-{
- struct pnp_id * id;
- if (!dev)
- return;
- id = kcalloc(1, 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_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;
+ u32 eisa_id;
+ char id[8];
isapnp_peek(tmp, size);
- dev = kcalloc(1, sizeof(struct pnp_dev), GFP_KERNEL);
+ eisa_id = tmp[0] | tmp[1] << 8 | tmp[2] << 16 | tmp[3] << 24;
+ pnp_eisa_id_to_string(eisa_id, id);
+
+ dev = pnp_alloc_dev(&isapnp_protocol, number, id);
if (!dev)
return NULL;
- dev->number = number;
- isapnp_parse_id(dev, (tmp[1] << 8) | tmp[0], (tmp[3] << 8) | tmp[2]);
- dev->regs = tmp[4];
+
dev->card = card;
- if (size > 5)
- dev->regs |= tmp[5] << 8;
- dev->protocol = &isapnp_protocol;
dev->capabilities |= PNP_CONFIGURABLE;
dev->capabilities |= PNP_READ;
dev->capabilities |= PNP_WRITE;
dev->capabilities |= PNP_DISABLE;
- pnp_init_resource_table(&dev->res);
+ pnp_init_resources(dev);
return dev;
}
-
/*
* Add IRQ resource to resources list.
*/
-
-static void __init isapnp_parse_irq_resource(struct pnp_option *option,
- int size)
+static void __init isapnp_parse_irq_resource(struct pnp_dev *dev,
+ unsigned int option_flags,
+ int size)
{
unsigned char tmp[3];
- struct pnp_irq *irq;
unsigned long bits;
+ pnp_irq_mask_t map;
+ unsigned char flags = IORESOURCE_IRQ_HIGHEDGE;
isapnp_peek(tmp, size);
- irq = kcalloc(1, sizeof(struct pnp_irq), GFP_KERNEL);
- if (!irq)
- return;
bits = (tmp[1] << 8) | tmp[0];
- bitmap_copy(irq->map, &bits, 16);
+
+ bitmap_zero(map.bits, PNP_IRQ_NR);
+ bitmap_copy(map.bits, &bits, 16);
+
if (size > 2)
- irq->flags = tmp[2];
- else
- irq->flags = IORESOURCE_IRQ_HIGHEDGE;
- pnp_register_irq_resource(option, irq);
- return;
+ flags = tmp[2];
+
+ pnp_register_irq_resource(dev, option_flags, &map, flags);
}
/*
* Add DMA resource to resources list.
*/
-
-static void __init isapnp_parse_dma_resource(struct pnp_option *option,
- int size)
+static void __init isapnp_parse_dma_resource(struct pnp_dev *dev,
+ unsigned int option_flags,
+ int size)
{
unsigned char tmp[2];
- struct pnp_dma *dma;
isapnp_peek(tmp, size);
- dma = kcalloc(1, sizeof(struct pnp_dma), GFP_KERNEL);
- if (!dma)
- return;
- dma->map = tmp[0];
- dma->flags = tmp[1];
- pnp_register_dma_resource(option, dma);
- return;
+ pnp_register_dma_resource(dev, option_flags, tmp[0], tmp[1]);
}
/*
* Add port resource to resources list.
*/
-
-static void __init isapnp_parse_port_resource(struct pnp_option *option,
- int size)
+static void __init isapnp_parse_port_resource(struct pnp_dev *dev,
+ unsigned int option_flags,
+ int size)
{
unsigned char tmp[7];
- struct pnp_port *port;
+ resource_size_t min, max, align, len;
+ unsigned char flags;
isapnp_peek(tmp, size);
- port = kcalloc(1, sizeof(struct pnp_port), GFP_KERNEL);
- if (!port)
- return;
- port->min = (tmp[2] << 8) | tmp[1];
- port->max = (tmp[4] << 8) | tmp[3];
- port->align = tmp[5];
- port->size = tmp[6];
- port->flags = tmp[0] ? PNP_PORT_FLAG_16BITADDR : 0;
- pnp_register_port_resource(option,port);
- return;
+ min = (tmp[2] << 8) | tmp[1];
+ max = (tmp[4] << 8) | tmp[3];
+ align = tmp[5];
+ len = tmp[6];
+ flags = tmp[0] ? IORESOURCE_IO_16BIT_ADDR : 0;
+ pnp_register_port_resource(dev, option_flags,
+ min, max, align, len, flags);
}
/*
* Add fixed port resource to resources list.
*/
-
-static void __init isapnp_parse_fixed_port_resource(struct pnp_option *option,
- int size)
+static void __init isapnp_parse_fixed_port_resource(struct pnp_dev *dev,
+ unsigned int option_flags,
+ int size)
{
unsigned char tmp[3];
- struct pnp_port *port;
+ resource_size_t base, len;
isapnp_peek(tmp, size);
- port = kcalloc(1, sizeof(struct pnp_port), GFP_KERNEL);
- if (!port)
- return;
- port->min = port->max = (tmp[1] << 8) | tmp[0];
- port->size = tmp[2];
- port->align = 0;
- port->flags = PNP_PORT_FLAG_FIXED;
- pnp_register_port_resource(option,port);
- return;
+ base = (tmp[1] << 8) | tmp[0];
+ len = tmp[2];
+ pnp_register_port_resource(dev, option_flags, base, base, 0, len,
+ IORESOURCE_IO_FIXED);
}
/*
* Add memory resource to resources list.
*/
-
-static void __init isapnp_parse_mem_resource(struct pnp_option *option,
- int size)
+static void __init isapnp_parse_mem_resource(struct pnp_dev *dev,
+ unsigned int option_flags,
+ int size)
{
unsigned char tmp[9];
- struct pnp_mem *mem;
+ resource_size_t min, max, align, len;
+ unsigned char flags;
isapnp_peek(tmp, size);
- mem = kcalloc(1, sizeof(struct pnp_mem), GFP_KERNEL);
- if (!mem)
- return;
- mem->min = ((tmp[2] << 8) | tmp[1]) << 8;
- mem->max = ((tmp[4] << 8) | tmp[3]) << 8;
- 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;
+ min = ((tmp[2] << 8) | tmp[1]) << 8;
+ max = ((tmp[4] << 8) | tmp[3]) << 8;
+ align = (tmp[6] << 8) | tmp[5];
+ len = ((tmp[8] << 8) | tmp[7]) << 8;
+ flags = tmp[0];
+ pnp_register_mem_resource(dev, option_flags,
+ min, max, align, len, flags);
}
/*
* Add 32-bit memory resource to resources list.
*/
-
-static void __init isapnp_parse_mem32_resource(struct pnp_option *option,
- int size)
+static void __init isapnp_parse_mem32_resource(struct pnp_dev *dev,
+ unsigned int option_flags,
+ int size)
{
unsigned char tmp[17];
- struct pnp_mem *mem;
+ resource_size_t min, max, align, len;
+ unsigned char flags;
isapnp_peek(tmp, size);
- mem = kcalloc(1, sizeof(struct pnp_mem), GFP_KERNEL);
- if (!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->flags = tmp[0];
- pnp_register_mem_resource(option,mem);
+ min = (tmp[4] << 24) | (tmp[3] << 16) | (tmp[2] << 8) | tmp[1];
+ max = (tmp[8] << 24) | (tmp[7] << 16) | (tmp[6] << 8) | tmp[5];
+ align = (tmp[12] << 24) | (tmp[11] << 16) | (tmp[10] << 8) | tmp[9];
+ len = (tmp[16] << 24) | (tmp[15] << 16) | (tmp[14] << 8) | tmp[13];
+ flags = tmp[0];
+ pnp_register_mem_resource(dev, option_flags,
+ min, max, align, len, flags);
}
/*
* Add 32-bit fixed memory resource to resources list.
*/
-
-static void __init isapnp_parse_fixed_mem32_resource(struct pnp_option *option,
- int size)
+static void __init isapnp_parse_fixed_mem32_resource(struct pnp_dev *dev,
+ unsigned int option_flags,
+ int size)
{
unsigned char tmp[9];
- struct pnp_mem *mem;
+ resource_size_t base, len;
+ unsigned char flags;
isapnp_peek(tmp, size);
- mem = kcalloc(1, 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->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);
+ base = (tmp[4] << 24) | (tmp[3] << 16) | (tmp[2] << 8) | tmp[1];
+ len = (tmp[8] << 24) | (tmp[7] << 16) | (tmp[6] << 8) | tmp[5];
+ flags = tmp[0];
+ pnp_register_mem_resource(dev, option_flags, base, base, 0, len, flags);
}
/*
* 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)
{
- int number = 0, skip = 0, priority = 0, compat = 0;
+ int number = 0, skip = 0, priority, compat = 0;
unsigned char type, tmp[17];
- struct pnp_option *option;
+ unsigned int option_flags;
struct pnp_dev *dev;
+ u32 eisa_id;
+ char id[8];
+
if ((dev = isapnp_parse_device(card, size, number++)) == NULL)
return 1;
- option = pnp_register_independent_option(dev);
- if (!option) {
- kfree(dev);
- return 1;
- }
- pnp_add_card_device(card,dev);
+ option_flags = 0;
+ 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;
- option = pnp_register_independent_option(dev);
- if (!option)
- return 1;
- pnp_add_card_device(card,dev);
+ option_flags = 0;
+ pnp_add_card_device(card, dev);
} else {
skip = 1;
}
- priority = 0;
compat = 0;
break;
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]);
+ eisa_id = tmp[0] | tmp[1] << 8 |
+ tmp[2] << 16 | tmp[3] << 24;
+ pnp_eisa_id_to_string(eisa_id, id);
+ pnp_add_id(dev, id);
compat++;
size = 0;
}
case _STAG_IRQ:
if (size < 2 || size > 3)
goto __skip;
- isapnp_parse_irq_resource(option, size);
+ isapnp_parse_irq_resource(dev, option_flags, size);
size = 0;
break;
case _STAG_DMA:
if (size != 2)
goto __skip;
- isapnp_parse_dma_resource(option, size);
+ isapnp_parse_dma_resource(dev, option_flags, size);
size = 0;
break;
case _STAG_STARTDEP:
if (size > 1)
goto __skip;
- priority = 0x100 | PNP_RES_PRIORITY_ACCEPTABLE;
+ priority = PNP_RES_PRIORITY_ACCEPTABLE;
if (size > 0) {
isapnp_peek(tmp, size);
- priority = 0x100 | tmp[0];
+ priority = tmp[0];
size = 0;
}
- option = pnp_register_dependent_option(dev,priority);
- if (!option)
- return 1;
+ option_flags = pnp_new_dependent_set(dev, priority);
break;
case _STAG_ENDDEP:
if (size != 0)
goto __skip;
- priority = 0;
+ option_flags = 0;
break;
case _STAG_IOPORT:
if (size != 7)
goto __skip;
- isapnp_parse_port_resource(option, size);
+ isapnp_parse_port_resource(dev, option_flags, size);
size = 0;
break;
case _STAG_FIXEDIO:
if (size != 3)
goto __skip;
- isapnp_parse_fixed_port_resource(option, size);
+ isapnp_parse_fixed_port_resource(dev, option_flags,
+ size);
size = 0;
break;
case _STAG_VENDOR:
case _LTAG_MEMRANGE:
if (size != 9)
goto __skip;
- isapnp_parse_mem_resource(option, size);
+ isapnp_parse_mem_resource(dev, option_flags, size);
size = 0;
break;
case _LTAG_ANSISTR:
case _LTAG_MEM32RANGE:
if (size != 17)
goto __skip;
- isapnp_parse_mem32_resource(option, size);
+ isapnp_parse_mem32_resource(dev, option_flags, size);
size = 0;
break;
case _LTAG_FIXEDMEM32RANGE:
if (size != 9)
goto __skip;
- isapnp_parse_fixed_mem32_resource(option, size);
+ isapnp_parse_fixed_mem32_resource(dev, option_flags,
+ size);
size = 0;
break;
case _STAG_END:
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);
+ dev_err(&dev->dev, "unknown tag %#x (card %i), "
+ "ignored\n", type, 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);
+ dev_err(&card->dev, "unknown tag %#x, ignored\n",
+ type);
}
- __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)
-{
- struct pnp_id * id = kcalloc(1, 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);
-}
-
-/*
* Build device list for all present ISA PnP devices.
*/
-
static int __init isapnp_build_device_list(void)
{
int csn;
unsigned char header[9], checksum;
struct pnp_card *card;
+ u32 eisa_id;
+ char id[8];
isapnp_wait();
isapnp_key();
isapnp_wake(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 "checksum = 0x%x\n", checksum);
-#endif
- if ((card = kcalloc(1, sizeof(struct pnp_card), GFP_KERNEL)) == NULL)
+ eisa_id = header[0] | header[1] << 8 |
+ header[2] << 16 | header[3] << 24;
+ pnp_eisa_id_to_string(eisa_id, id);
+ card = pnp_alloc_card(&isapnp_protocol, csn, id);
+ if (!card)
continue;
- card->number = csn;
+#if 0
+ dev_info(&card->dev,
+ "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]);
+ dev_info(&card->dev, "checksum = %#x\n", checksum);
+#endif
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];
+ 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);
+ dev_err(&card->dev, "invalid checksum %#x\n",
+ isapnp_checksum_value);
card->checksum = isapnp_checksum_value;
- card->protocol = &isapnp_protocol;
pnp_add_card(card);
}
int isapnp_present(void)
{
struct pnp_card *card;
+
pnp_for_each_card(card) {
if (card->protocol == &isapnp_protocol)
return 1;
{
if (csn < 1 || csn > isapnp_csn_count || logdev > 10)
return -EINVAL;
- down(&isapnp_cfg_mutex);
+ mutex_lock(&isapnp_cfg_mutex);
isapnp_wait();
isapnp_key();
isapnp_wake(csn);
/* 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);
int isapnp_cfg_end(void)
{
isapnp_wait();
- up(&isapnp_cfg_mutex);
+ mutex_unlock(&isapnp_cfg_mutex);
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_get_resources(struct pnp_dev *dev)
{
- int tmp, ret;
+ int i, ret;
+ dev_dbg(&dev->dev, "get resources\n");
+ pnp_init_resources(dev);
+ isapnp_cfg_begin(dev->card->number, dev->number);
dev->active = isapnp_read_byte(ISAPNP_CFG_ACTIVATE);
- if (dev->active) {
- for (tmp = 0; tmp < PNP_MAX_PORT; tmp++) {
- ret = isapnp_read_word(ISAPNP_CFG_PORT + (tmp << 1));
- if (!ret)
- continue;
- res->port_resource[tmp].start = 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;
- 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);
- if (!ret)
- continue;
- 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].flags = IORESOURCE_DMA;
- }
+ if (!dev->active)
+ goto __end;
+
+ for (i = 0; i < ISAPNP_MAX_PORT; i++) {
+ ret = isapnp_read_word(ISAPNP_CFG_PORT + (i << 1));
+ pnp_add_io_resource(dev, ret, ret,
+ ret == 0 ? IORESOURCE_DISABLED : 0);
+ }
+ for (i = 0; i < ISAPNP_MAX_MEM; i++) {
+ ret = isapnp_read_word(ISAPNP_CFG_MEM + (i << 3)) << 8;
+ pnp_add_mem_resource(dev, ret, ret,
+ ret == 0 ? IORESOURCE_DISABLED : 0);
+ }
+ for (i = 0; i < ISAPNP_MAX_IRQ; i++) {
+ ret = isapnp_read_word(ISAPNP_CFG_IRQ + (i << 1)) >> 8;
+ pnp_add_irq_resource(dev, ret,
+ ret == 0 ? IORESOURCE_DISABLED : 0);
+ }
+ for (i = 0; i < ISAPNP_MAX_DMA; i++) {
+ ret = isapnp_read_byte(ISAPNP_CFG_DMA + i);
+ pnp_add_dma_resource(dev, ret,
+ ret == 4 ? IORESOURCE_DISABLED : 0);
}
- return 0;
-}
-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);
+__end:
isapnp_cfg_end();
- return ret;
+ return 0;
}
-static int isapnp_set_resources(struct pnp_dev *dev, struct pnp_resource_table * res)
+static int isapnp_set_resources(struct pnp_dev *dev)
{
+ struct resource *res;
int tmp;
+ dev_dbg(&dev->dev, "set resources\n");
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++) {
- int irq = res->irq_resource[tmp].start;
- if (irq == 2)
- irq = 9;
- isapnp_write_byte(ISAPNP_CFG_IRQ+(tmp<<1), irq);
+ for (tmp = 0; tmp < ISAPNP_MAX_PORT; tmp++) {
+ res = pnp_get_resource(dev, IORESOURCE_IO, tmp);
+ if (pnp_resource_enabled(res)) {
+ dev_dbg(&dev->dev, " set io %d to %#llx\n",
+ tmp, (unsigned long long) res->start);
+ isapnp_write_word(ISAPNP_CFG_PORT + (tmp << 1),
+ res->start);
+ }
+ }
+ for (tmp = 0; tmp < ISAPNP_MAX_IRQ; tmp++) {
+ res = pnp_get_resource(dev, IORESOURCE_IRQ, tmp);
+ if (pnp_resource_enabled(res)) {
+ int irq = res->start;
+ if (irq == 2)
+ irq = 9;
+ dev_dbg(&dev->dev, " set irq %d to %d\n", tmp, irq);
+ isapnp_write_byte(ISAPNP_CFG_IRQ + (tmp << 1), irq);
+ }
+ }
+ for (tmp = 0; tmp < ISAPNP_MAX_DMA; tmp++) {
+ res = pnp_get_resource(dev, IORESOURCE_DMA, tmp);
+ if (pnp_resource_enabled(res)) {
+ dev_dbg(&dev->dev, " set dma %d to %lld\n",
+ tmp, (unsigned long long) res->start);
+ isapnp_write_byte(ISAPNP_CFG_DMA + tmp, res->start);
+ }
+ }
+ for (tmp = 0; tmp < ISAPNP_MAX_MEM; tmp++) {
+ res = pnp_get_resource(dev, IORESOURCE_MEM, tmp);
+ if (pnp_resource_enabled(res)) {
+ dev_dbg(&dev->dev, " set mem %d to %#llx\n",
+ tmp, (unsigned long long) res->start);
+ isapnp_write_word(ISAPNP_CFG_MEM + (tmp << 3),
+ (res->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;
}
+#ifdef CONFIG_PPC_MERGE
+ if (check_legacy_ioport(_PIDXR) || check_legacy_ioport(_PNPWRP))
+ return -EINVAL;
+#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");
+ dev_info(&card->dev, "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) {
+ dev_info(&card->dev, "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://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff