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danube gpio clean up 

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@9743 3c298f89-4303-0410-b956-a3cf2f4a3e73
master
John Crispin 2007-12-13 22:38:51 +00:00
parent a43ffde508
commit 437e9b7350
1 changed files with 45 additions and 82 deletions
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127
target/linux/danube/files/drivers/char/danube_gpio.c
View File

@ -29,13 +29,6 @@
#include <asm/danube/danube.h>
#include <asm/danube/danube_ioctl.h>
#define PORT_IOC_CALL(ret,port,pin,func) \
ret=danube_port_reserve_pin(port,pin,PORT_MODULE_ID); \
if (ret == 0) ret=func(port,pin,PORT_MODULE_ID); \
if (ret == 0) ret=danube_port_free_pin(port,pin,PORT_MODULE_ID);
#define MAX_PORTS 2
#define PINS_PER_PORT 16
@ -310,7 +303,7 @@ danube_port_release (struct inode *inode, struct file *filelp)
static int
danube_port_ioctl (struct inode *inode, struct file *filp,
unsigned int cmd, unsigned long arg)
unsigned int cmd, unsigned long arg)
{
int ret = 0;
volatile struct danube_port_ioctl_parm parm;
@ -338,97 +331,67 @@ danube_port_ioctl (struct inode *inode, struct file *filp,
switch (cmd) {
case DANUBE_PORT_IOCOD:
if (parm.value == 0x00) {
PORT_IOC_CALL (ret, parm.port, parm.pin,
danube_port_clear_open_drain);
}
else {
PORT_IOC_CALL (ret, parm.port, parm.pin,
danube_port_set_open_drain);
}
if (parm.value == 0x00)
danube_port_clear_open_drain(parm.port, parm.pin);
else
danube_port_set_open_drain(parm.port, parm.pin);
break;
case DANUBE_PORT_IOCPUDSEL:
if (parm.value == 0x00) {
PORT_IOC_CALL (ret, parm.port, parm.pin,
danube_port_clear_pudsel);
}
else {
PORT_IOC_CALL (ret, parm.port, parm.pin,
danube_port_set_pudsel);
}
if (parm.value == 0x00)
danube_port_clear_pudsel(parm.port, parm.pin);
else
danube_port_set_pudsel(parm.port, parm.pin);
break;
case DANUBE_PORT_IOCPUDEN:
if (parm.value == 0x00) {
PORT_IOC_CALL (ret, parm.port, parm.pin,
danube_port_clear_puden);
}
else {
PORT_IOC_CALL (ret, parm.port, parm.pin,
danube_port_set_puden);
}
if (parm.value == 0x00)
danube_port_clear_puden(parm.port, parm.pin);
else
danube_port_set_puden(parm.port, parm.pin);
break;
case DANUBE_PORT_IOCSTOFF:
if (parm.value == 0x00) {
PORT_IOC_CALL (ret, parm.port, parm.pin,
danube_port_clear_stoff);
}
else {
PORT_IOC_CALL (ret, parm.port, parm.pin,
danube_port_set_stoff);
}
if (parm.value == 0x00)
danube_port_clear_stoff(parm.port, parm.pin);
else
danube_port_set_stoff(parm.port, parm.pin);
break;
case DANUBE_PORT_IOCDIR:
if (parm.value == 0x00) {
PORT_IOC_CALL (ret, parm.port, parm.pin,
danube_port_set_dir_in);
}
else {
PORT_IOC_CALL (ret, parm.port, parm.pin,
danube_port_set_dir_out);
}
if (parm.value == 0x00)
danube_port_set_dir_in(parm.port, parm.pin);
else
danube_port_set_dir_out(parm.port, parm.pin);
break;
case DANUBE_PORT_IOCOUTPUT:
if (parm.value == 0x00) {
PORT_IOC_CALL (ret, parm.port, parm.pin,
danube_port_clear_output);
}
else {
PORT_IOC_CALL (ret, parm.port, parm.pin,
danube_port_set_output);
}
if (parm.value == 0x00)
danube_port_clear_output(parm.port, parm.pin);
else
danube_port_set_output(parm.port, parm.pin);
break;
case DANUBE_PORT_IOCALTSEL0:
if (parm.value == 0x00) {
PORT_IOC_CALL (ret, parm.port, parm.pin,
danube_port_clear_altsel0);
}
else {
PORT_IOC_CALL (ret, parm.port, parm.pin,
danube_port_set_altsel0);
}
if (parm.value == 0x00)
danube_port_clear_altsel0(parm.port, parm.pin);
else
danube_port_set_altsel0(parm.port, parm.pin);
break;
case DANUBE_PORT_IOCALTSEL1:
if (parm.value == 0x00) {
PORT_IOC_CALL (ret, parm.port, parm.pin,
danube_port_clear_altsel1);
}
else {
PORT_IOC_CALL (ret, parm.port, parm.pin,
danube_port_set_altsel1);
}
if (parm.value == 0x00)
danube_port_clear_altsel1(parm.port, parm.pin);
else
danube_port_set_altsel1(parm.port, parm.pin);
break;
case DANUBE_PORT_IOCINPUT:
ret = danube_port_reserve_pin (parm.port, parm.pin,
PORT_MODULE_ID);
if (ret == 0)
parm.value =
danube_port_get_input (parm.port, parm.pin,
PORT_MODULE_ID);
ret = danube_port_free_pin (parm.port, parm.pin,
PORT_MODULE_ID);
copy_to_user ((void *) arg, (void *) &parm,
sizeof (struct danube_port_ioctl_parm));
parm.value = danube_port_get_input(parm.port, parm.pin);
copy_to_user((void*)arg, (void*)&parm,
sizeof(struct danube_port_ioctl_parm));
break;
default:
ret = -EINVAL;
}