diff options
Diffstat (limited to 'target/linux')
| -rw-r--r-- | target/linux/danube/files/drivers/char/danube_gpio.c | 127 |
1 files changed, 45 insertions, 82 deletions
diff --git a/target/linux/danube/files/drivers/char/danube_gpio.c b/target/linux/danube/files/drivers/char/danube_gpio.c index df5cfe753..f6f78adc1 100644 --- a/target/linux/danube/files/drivers/char/danube_gpio.c +++ b/target/linux/danube/files/drivers/char/danube_gpio.c @@ -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; } |