diff options
Diffstat (limited to 'drivers/staging/frontier/surface_sysfs.h')
| -rw-r--r-- | drivers/staging/frontier/surface_sysfs.h | 100 |
1 files changed, 100 insertions, 0 deletions
diff --git a/drivers/staging/frontier/surface_sysfs.h b/drivers/staging/frontier/surface_sysfs.h new file mode 100644 index 000000000000..d50a562d658a --- /dev/null +++ b/drivers/staging/frontier/surface_sysfs.h @@ -0,0 +1,100 @@ +/* If you are going to abuse the preprocessor, why not ABUSE the preprocessor? + I stuck this header in a separate file so I don't have to look at it */ + +// FIXME Need locking or atomic ops + +#define show_set_mbit(dname,value,bit) \ +static ssize_t show_##value(struct device *dev, struct device_attribute *attr, char *buf) \ +{ \ + struct usb_interface *intf = to_usb_interface(dev); \ + struct usb_##dname *t = usb_get_intfdata(intf); \ + int temp = (1 && (t->value & (1 << bit))); \ + return sprintf(buf, "%d\n", temp); \ +} \ +static ssize_t set_##value(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) \ +{ \ + struct usb_interface *intf = to_usb_interface(dev); \ + struct usb_##dname *t = usb_get_intfdata(intf); \ + int temp = simple_strtoul(buf, NULL, 10); \ + if(temp > 0) { long b = 1 << bit; t->value |= b; } \ + else { long b = ~(1 << bit); t->value &= b ; \ + return count; \ +} \ +static DEVICE_ATTR(value, S_IWUGO | S_IRUGO, show_##value, set_##value); + +#define show_set_ebit(dname,enumname,value,bit) \ +static ssize_t show_##bit(struct device *dev, struct device_attribute *attr, char *buf) \ +{ \ + struct usb_interface *intf = to_usb_interface(dev); \ + struct usb_##dname *t = usb_get_intfdata(intf); \ + enum enumname l = bit; \ + int temp = t->value & (1 << l); \ + return sprintf(buf, "%d\n", temp); \ +} \ +static ssize_t set_##bit(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) \ +{ \ + struct usb_interface *intf = to_usb_interface(dev); \ + struct usb_##dname *t = usb_get_intfdata(intf); \ + int temp = simple_strtoul(buf, NULL, 10); \ + enum enumname l = bit;\ + long b = 1 << l; \ + if(temp > 0) { t->value |= b; } \ + else { t->value &= ~b ; \ + return count; \ +} \ +static DEVICE_ATTR(value, S_IWUGO | S_IRUGO, show_##value, set_##value); + +// FIXME FOR CORRECTLY SETTING HEX from a string +#define show_set_mcmd(dname,value) \ +static ssize_t show_##value(struct device *dev, struct device_attribute *attr, char *buf) \ +{ \ + struct usb_interface *intf = to_usb_interface(dev); \ + struct usb_##dname *t = usb_get_intfdata(intf); \ + int count = 0;\ + int i; \ + for (i = 0,i<sizeof(dname); i++) count += snprintf(buf, "%02x",t->dname[i]); \ + return(count);\ +} \ +static ssize_t set_##value(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) \ +{ \ + struct usb_interface *intf = to_usb_interface(dev); \ + struct usb_##dname *t = usb_get_intfdata(intf); \ + int temp = simple_strtoul(buf, NULL, 10); \ + t->value = temp; \ + return count; \ +} \ +static DEVICE_ATTR(value, S_IWUGO | S_IRUGO, show_##value, set_##value); + +#define show_set_mint(dname,value) \ +static ssize_t show_##value(struct device *dev, struct device_attribute *attr, char *buf) \ +{ \ + struct usb_interface *intf = to_usb_interface(dev); \ + struct usb_##dname *t = usb_get_intfdata(intf); \ + return sprintf(buf, "%d\n", t->value); \ +} \ +static ssize_t set_##value(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) \ +{ \ + struct usb_interface *intf = to_usb_interface(dev); \ + struct usb_##dname *t = usb_get_intfdata(intf); \ + int temp = simple_strtoul(buf, NULL, 10); \ + t->value = temp; \ + return count; \ +} \ +static DEVICE_ATTR(value, S_IWUGO | S_IRUGO, show_##value, set_##value); + +#define show_set_mchar(dname,value) \ +static ssize_t show_##value(struct device *dev, struct device_attribute *attr, char *buf) \ +{ \ + struct usb_interface *intf = to_usb_interface(dev); \ + struct usb_##dname *t = usb_get_intfdata(intf); \ + return sprintf(buf, "%c\n", t->value); \ +} \ +static ssize_t set_##value(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) \ +{ \ + struct usb_interface *intf = to_usb_interface(dev); \ + struct usb_##dname *t = usb_get_intfdata(intf); \ + int temp = simple_strtoul(buf, NULL, 10); \ + t->value = temp; \ + return count; \ +} \ +static DEVICE_ATTR(value, S_IWUGO | S_IRUGO, show_##value, set_##value); |