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path: root/drivers/pnp/interface.c
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Diffstat (limited to 'drivers/pnp/interface.c')
-rw-r--r--drivers/pnp/interface.c217
1 files changed, 123 insertions, 94 deletions
diff --git a/drivers/pnp/interface.c b/drivers/pnp/interface.c
index ac9fcd499f3f..fe6684e13e82 100644
--- a/drivers/pnp/interface.c
+++ b/drivers/pnp/interface.c
@@ -3,7 +3,6 @@
*
* Some code, especially possible resource dumping is based on isapnp_proc.c (c) Jaroslav Kysela <perex@suse.cz>
* Copyright 2002 Adam Belay <ambx1@neo.rr.com>
- *
*/
#include <linux/pnp.h>
@@ -29,7 +28,7 @@ struct pnp_info_buffer {
typedef struct pnp_info_buffer pnp_info_buffer_t;
-static int pnp_printf(pnp_info_buffer_t * buffer, char *fmt,...)
+static int pnp_printf(pnp_info_buffer_t * buffer, char *fmt, ...)
{
va_list args;
int res;
@@ -48,14 +47,18 @@ static int pnp_printf(pnp_info_buffer_t * buffer, char *fmt,...)
return res;
}
-static void pnp_print_port(pnp_info_buffer_t *buffer, char *space, struct pnp_port *port)
+static void pnp_print_port(pnp_info_buffer_t * buffer, char *space,
+ struct pnp_port *port)
{
- pnp_printf(buffer, "%sport 0x%x-0x%x, align 0x%x, size 0x%x, %i-bit address decoding\n",
- space, port->min, port->max, port->align ? (port->align-1) : 0, port->size,
- port->flags & PNP_PORT_FLAG_16BITADDR ? 16 : 10);
+ pnp_printf(buffer,
+ "%sport 0x%x-0x%x, align 0x%x, size 0x%x, %i-bit address decoding\n",
+ space, port->min, port->max,
+ port->align ? (port->align - 1) : 0, port->size,
+ port->flags & PNP_PORT_FLAG_16BITADDR ? 16 : 10);
}
-static void pnp_print_irq(pnp_info_buffer_t *buffer, char *space, struct pnp_irq *irq)
+static void pnp_print_irq(pnp_info_buffer_t * buffer, char *space,
+ struct pnp_irq *irq)
{
int first = 1, i;
@@ -85,14 +88,15 @@ static void pnp_print_irq(pnp_info_buffer_t *buffer, char *space, struct pnp_irq
pnp_printf(buffer, "\n");
}
-static void pnp_print_dma(pnp_info_buffer_t *buffer, char *space, struct pnp_dma *dma)
+static void pnp_print_dma(pnp_info_buffer_t * buffer, char *space,
+ struct pnp_dma *dma)
{
int first = 1, i;
char *s;
pnp_printf(buffer, "%sdma ", space);
for (i = 0; i < 8; i++)
- if (dma->map & (1<<i)) {
+ if (dma->map & (1 << i)) {
if (!first) {
pnp_printf(buffer, ",");
} else {
@@ -136,12 +140,13 @@ static void pnp_print_dma(pnp_info_buffer_t *buffer, char *space, struct pnp_dma
pnp_printf(buffer, " %s\n", s);
}
-static void pnp_print_mem(pnp_info_buffer_t *buffer, char *space, struct pnp_mem *mem)
+static void pnp_print_mem(pnp_info_buffer_t * buffer, char *space,
+ struct pnp_mem *mem)
{
char *s;
pnp_printf(buffer, "%sMemory 0x%x-0x%x, align 0x%x, size 0x%x",
- space, mem->min, mem->max, mem->align, mem->size);
+ space, mem->min, mem->max, mem->align, mem->size);
if (mem->flags & IORESOURCE_MEM_WRITEABLE)
pnp_printf(buffer, ", writeable");
if (mem->flags & IORESOURCE_MEM_CACHEABLE)
@@ -168,7 +173,7 @@ static void pnp_print_mem(pnp_info_buffer_t *buffer, char *space, struct pnp_mem
pnp_printf(buffer, ", %s\n", s);
}
-static void pnp_print_option(pnp_info_buffer_t *buffer, char *space,
+static void pnp_print_option(pnp_info_buffer_t * buffer, char *space,
struct pnp_option *option, int dep)
{
char *s;
@@ -179,19 +184,19 @@ static void pnp_print_option(pnp_info_buffer_t *buffer, char *space,
if (dep) {
switch (option->priority) {
- case PNP_RES_PRIORITY_PREFERRED:
+ case PNP_RES_PRIORITY_PREFERRED:
s = "preferred";
break;
- case PNP_RES_PRIORITY_ACCEPTABLE:
+ case PNP_RES_PRIORITY_ACCEPTABLE:
s = "acceptable";
break;
- case PNP_RES_PRIORITY_FUNCTIONAL:
+ case PNP_RES_PRIORITY_FUNCTIONAL:
s = "functional";
break;
- default:
+ default:
s = "invalid";
}
- pnp_printf(buffer, "Dependent: %02i - Priority %s\n",dep, s);
+ pnp_printf(buffer, "Dependent: %02i - Priority %s\n", dep, s);
}
for (port = option->port; port; port = port->next)
@@ -204,16 +209,16 @@ static void pnp_print_option(pnp_info_buffer_t *buffer, char *space,
pnp_print_mem(buffer, space, mem);
}
-
-static ssize_t pnp_show_options(struct device *dmdev, struct device_attribute *attr, char *buf)
+static ssize_t pnp_show_options(struct device *dmdev,
+ struct device_attribute *attr, char *buf)
{
struct pnp_dev *dev = to_pnp_dev(dmdev);
- struct pnp_option * independent = dev->independent;
- struct pnp_option * dependent = dev->dependent;
+ struct pnp_option *independent = dev->independent;
+ struct pnp_option *dependent = dev->dependent;
int ret, dep = 1;
pnp_info_buffer_t *buffer = (pnp_info_buffer_t *)
- pnp_alloc(sizeof(pnp_info_buffer_t));
+ pnp_alloc(sizeof(pnp_info_buffer_t));
if (!buffer)
return -ENOMEM;
@@ -223,7 +228,7 @@ static ssize_t pnp_show_options(struct device *dmdev, struct device_attribute *a
if (independent)
pnp_print_option(buffer, "", independent, 0);
- while (dependent){
+ while (dependent) {
pnp_print_option(buffer, " ", dependent, dep);
dependent = dependent->next;
dep++;
@@ -233,10 +238,11 @@ static ssize_t pnp_show_options(struct device *dmdev, struct device_attribute *a
return ret;
}
-static DEVICE_ATTR(options,S_IRUGO,pnp_show_options,NULL);
+static DEVICE_ATTR(options, S_IRUGO, pnp_show_options, NULL);
-
-static ssize_t pnp_show_current_resources(struct device *dmdev, struct device_attribute *attr, char *buf)
+static ssize_t pnp_show_current_resources(struct device *dmdev,
+ struct device_attribute *attr,
+ char *buf)
{
struct pnp_dev *dev = to_pnp_dev(dmdev);
int i, ret;
@@ -252,52 +258,56 @@ static ssize_t pnp_show_current_resources(struct device *dmdev, struct device_at
buffer->buffer = buf;
buffer->curr = buffer->buffer;
- pnp_printf(buffer,"state = ");
+ pnp_printf(buffer, "state = ");
if (dev->active)
- pnp_printf(buffer,"active\n");
+ pnp_printf(buffer, "active\n");
else
- pnp_printf(buffer,"disabled\n");
+ pnp_printf(buffer, "disabled\n");
for (i = 0; i < PNP_MAX_PORT; i++) {
if (pnp_port_valid(dev, i)) {
- pnp_printf(buffer,"io");
+ pnp_printf(buffer, "io");
if (pnp_port_flags(dev, i) & IORESOURCE_DISABLED)
- pnp_printf(buffer," disabled\n");
+ pnp_printf(buffer, " disabled\n");
else
- pnp_printf(buffer," 0x%llx-0x%llx\n",
- (unsigned long long)pnp_port_start(dev, i),
- (unsigned long long)pnp_port_end(dev, i));
+ pnp_printf(buffer, " 0x%llx-0x%llx\n",
+ (unsigned long long)
+ pnp_port_start(dev, i),
+ (unsigned long long)pnp_port_end(dev,
+ i));
}
}
for (i = 0; i < PNP_MAX_MEM; i++) {
if (pnp_mem_valid(dev, i)) {
- pnp_printf(buffer,"mem");
+ pnp_printf(buffer, "mem");
if (pnp_mem_flags(dev, i) & IORESOURCE_DISABLED)
- pnp_printf(buffer," disabled\n");
+ pnp_printf(buffer, " disabled\n");
else
- pnp_printf(buffer," 0x%llx-0x%llx\n",
- (unsigned long long)pnp_mem_start(dev, i),
- (unsigned long long)pnp_mem_end(dev, i));
+ pnp_printf(buffer, " 0x%llx-0x%llx\n",
+ (unsigned long long)
+ pnp_mem_start(dev, i),
+ (unsigned long long)pnp_mem_end(dev,
+ i));
}
}
for (i = 0; i < PNP_MAX_IRQ; i++) {
if (pnp_irq_valid(dev, i)) {
- pnp_printf(buffer,"irq");
+ pnp_printf(buffer, "irq");
if (pnp_irq_flags(dev, i) & IORESOURCE_DISABLED)
- pnp_printf(buffer," disabled\n");
+ pnp_printf(buffer, " disabled\n");
else
- pnp_printf(buffer," %lld\n",
- (unsigned long long)pnp_irq(dev, i));
+ pnp_printf(buffer, " %lld\n",
+ (unsigned long long)pnp_irq(dev, i));
}
}
for (i = 0; i < PNP_MAX_DMA; i++) {
if (pnp_dma_valid(dev, i)) {
- pnp_printf(buffer,"dma");
+ pnp_printf(buffer, "dma");
if (pnp_dma_flags(dev, i) & IORESOURCE_DISABLED)
- pnp_printf(buffer," disabled\n");
+ pnp_printf(buffer, " disabled\n");
else
- pnp_printf(buffer," %lld\n",
- (unsigned long long)pnp_dma(dev, i));
+ pnp_printf(buffer, " %lld\n",
+ (unsigned long long)pnp_dma(dev, i));
}
}
ret = (buffer->curr - buf);
@@ -308,55 +318,57 @@ static ssize_t pnp_show_current_resources(struct device *dmdev, struct device_at
extern struct semaphore pnp_res_mutex;
static ssize_t
-pnp_set_current_resources(struct device * dmdev, struct device_attribute *attr, const char * ubuf, size_t count)
+pnp_set_current_resources(struct device *dmdev, struct device_attribute *attr,
+ const char *ubuf, size_t count)
{
struct pnp_dev *dev = to_pnp_dev(dmdev);
- char *buf = (void *)ubuf;
- int retval = 0;
+ char *buf = (void *)ubuf;
+ int retval = 0;
if (dev->status & PNP_ATTACHED) {
retval = -EBUSY;
- pnp_info("Device %s cannot be configured because it is in use.", dev->dev.bus_id);
+ pnp_info("Device %s cannot be configured because it is in use.",
+ dev->dev.bus_id);
goto done;
}
while (isspace(*buf))
++buf;
- if (!strnicmp(buf,"disable",7)) {
+ if (!strnicmp(buf, "disable", 7)) {
retval = pnp_disable_dev(dev);
goto done;
}
- if (!strnicmp(buf,"activate",8)) {
+ if (!strnicmp(buf, "activate", 8)) {
retval = pnp_activate_dev(dev);
goto done;
}
- if (!strnicmp(buf,"fill",4)) {
+ if (!strnicmp(buf, "fill", 4)) {
if (dev->active)
goto done;
retval = pnp_auto_config_dev(dev);
goto done;
}
- if (!strnicmp(buf,"auto",4)) {
+ if (!strnicmp(buf, "auto", 4)) {
if (dev->active)
goto done;
pnp_init_resource_table(&dev->res);
retval = pnp_auto_config_dev(dev);
goto done;
}
- if (!strnicmp(buf,"clear",5)) {
+ if (!strnicmp(buf, "clear", 5)) {
if (dev->active)
goto done;
pnp_init_resource_table(&dev->res);
goto done;
}
- if (!strnicmp(buf,"get",3)) {
+ if (!strnicmp(buf, "get", 3)) {
down(&pnp_res_mutex);
if (pnp_can_read(dev))
dev->protocol->get(dev, &dev->res);
up(&pnp_res_mutex);
goto done;
}
- if (!strnicmp(buf,"set",3)) {
+ if (!strnicmp(buf, "set", 3)) {
int nport = 0, nmem = 0, nirq = 0, ndma = 0;
if (dev->active)
goto done;
@@ -366,65 +378,77 @@ pnp_set_current_resources(struct device * dmdev, struct device_attribute *attr,
while (1) {
while (isspace(*buf))
++buf;
- if (!strnicmp(buf,"io",2)) {
+ if (!strnicmp(buf, "io", 2)) {
buf += 2;
while (isspace(*buf))
++buf;
- dev->res.port_resource[nport].start = simple_strtoul(buf,&buf,0);
+ dev->res.port_resource[nport].start =
+ simple_strtoul(buf, &buf, 0);
while (isspace(*buf))
++buf;
- if(*buf == '-') {
+ if (*buf == '-') {
buf += 1;
while (isspace(*buf))
++buf;
- dev->res.port_resource[nport].end = simple_strtoul(buf,&buf,0);
+ dev->res.port_resource[nport].end =
+ simple_strtoul(buf, &buf, 0);
} else
- dev->res.port_resource[nport].end = dev->res.port_resource[nport].start;
- dev->res.port_resource[nport].flags = IORESOURCE_IO;
+ dev->res.port_resource[nport].end =
+ dev->res.port_resource[nport].start;
+ dev->res.port_resource[nport].flags =
+ IORESOURCE_IO;
nport++;
if (nport >= PNP_MAX_PORT)
break;
continue;
}
- if (!strnicmp(buf,"mem",3)) {
+ if (!strnicmp(buf, "mem", 3)) {
buf += 3;
while (isspace(*buf))
++buf;
- dev->res.mem_resource[nmem].start = simple_strtoul(buf,&buf,0);
+ dev->res.mem_resource[nmem].start =
+ simple_strtoul(buf, &buf, 0);
while (isspace(*buf))
++buf;
- if(*buf == '-') {
+ if (*buf == '-') {
buf += 1;
while (isspace(*buf))
++buf;
- dev->res.mem_resource[nmem].end = simple_strtoul(buf,&buf,0);
+ dev->res.mem_resource[nmem].end =
+ simple_strtoul(buf, &buf, 0);
} else
- dev->res.mem_resource[nmem].end = dev->res.mem_resource[nmem].start;
- dev->res.mem_resource[nmem].flags = IORESOURCE_MEM;
+ dev->res.mem_resource[nmem].end =
+ dev->res.mem_resource[nmem].start;
+ dev->res.mem_resource[nmem].flags =
+ IORESOURCE_MEM;
nmem++;
if (nmem >= PNP_MAX_MEM)
break;
continue;
}
- if (!strnicmp(buf,"irq",3)) {
+ if (!strnicmp(buf, "irq", 3)) {
buf += 3;
while (isspace(*buf))
++buf;
dev->res.irq_resource[nirq].start =
- dev->res.irq_resource[nirq].end = simple_strtoul(buf,&buf,0);
- dev->res.irq_resource[nirq].flags = IORESOURCE_IRQ;
+ dev->res.irq_resource[nirq].end =
+ simple_strtoul(buf, &buf, 0);
+ dev->res.irq_resource[nirq].flags =
+ IORESOURCE_IRQ;
nirq++;
if (nirq >= PNP_MAX_IRQ)
break;
continue;
}
- if (!strnicmp(buf,"dma",3)) {
+ if (!strnicmp(buf, "dma", 3)) {
buf += 3;
while (isspace(*buf))
++buf;
dev->res.dma_resource[ndma].start =
- dev->res.dma_resource[ndma].end = simple_strtoul(buf,&buf,0);
- dev->res.dma_resource[ndma].flags = IORESOURCE_DMA;
+ dev->res.dma_resource[ndma].end =
+ simple_strtoul(buf, &buf, 0);
+ dev->res.dma_resource[ndma].flags =
+ IORESOURCE_DMA;
ndma++;
if (ndma >= PNP_MAX_DMA)
break;
@@ -435,45 +459,50 @@ pnp_set_current_resources(struct device * dmdev, struct device_attribute *attr,
up(&pnp_res_mutex);
goto done;
}
- done:
+ done:
if (retval < 0)
return retval;
return count;
}
-static DEVICE_ATTR(resources,S_IRUGO | S_IWUSR,
- pnp_show_current_resources,pnp_set_current_resources);
+static DEVICE_ATTR(resources, S_IRUGO | S_IWUSR,
+ pnp_show_current_resources, pnp_set_current_resources);
-static ssize_t pnp_show_current_ids(struct device *dmdev, struct device_attribute *attr, char *buf)
+static ssize_t pnp_show_current_ids(struct device *dmdev,
+ struct device_attribute *attr, char *buf)
{
char *str = buf;
struct pnp_dev *dev = to_pnp_dev(dmdev);
- struct pnp_id * pos = dev->id;
+ struct pnp_id *pos = dev->id;
while (pos) {
- str += sprintf(str,"%s\n", pos->id);
+ str += sprintf(str, "%s\n", pos->id);
pos = pos->next;
}
return (str - buf);
}
-static DEVICE_ATTR(id,S_IRUGO,pnp_show_current_ids,NULL);
+static DEVICE_ATTR(id, S_IRUGO, pnp_show_current_ids, NULL);
int pnp_interface_attach_device(struct pnp_dev *dev)
{
- int rc = device_create_file(&dev->dev,&dev_attr_options);
- if (rc) goto err;
- rc = device_create_file(&dev->dev,&dev_attr_resources);
- if (rc) goto err_opt;
- rc = device_create_file(&dev->dev,&dev_attr_id);
- if (rc) goto err_res;
+ int rc = device_create_file(&dev->dev, &dev_attr_options);
+
+ if (rc)
+ goto err;
+ rc = device_create_file(&dev->dev, &dev_attr_resources);
+ if (rc)
+ goto err_opt;
+ rc = device_create_file(&dev->dev, &dev_attr_id);
+ if (rc)
+ goto err_res;
return 0;
-err_res:
- device_remove_file(&dev->dev,&dev_attr_resources);
-err_opt:
- device_remove_file(&dev->dev,&dev_attr_options);
-err:
+ err_res:
+ device_remove_file(&dev->dev, &dev_attr_resources);
+ err_opt:
+ device_remove_file(&dev->dev, &dev_attr_options);
+ err:
return rc;
}
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-17 04:38:07 +0000