git.oblomov.eu Git - linux-2.6/blob - drivers/staging/frontier/surface_sysfs.h

   1 /* If you are going to abuse the preprocessor, why not ABUSE the preprocessor?
   2    I stuck this header in a separate file so I don't have to look at it */
   3
   4 // FIXME Need locking or atomic ops
   5
   6 #define show_set_mbit(dname,value,bit)                                                                                                                                                  \
   7 static ssize_t show_##value(struct device *dev, struct device_attribute *attr, char *buf)               \
   8 {                                                                       \
   9         struct usb_interface *intf = to_usb_interface(dev);             \
  10         struct usb_##dname *t = usb_get_intfdata(intf);                 \
  11         int temp = (1 && (t->value & (1 << bit)));                                      \
  12         return sprintf(buf, "%d\n", temp);                      \
  13 }                                                                       \
  14 static ssize_t set_##value(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)    \
  15 {                                                                       \
  16         struct usb_interface *intf = to_usb_interface(dev);             \
  17         struct usb_##dname *t = usb_get_intfdata(intf);                 \
  18         int temp = simple_strtoul(buf, NULL, 10);                       \
  19         if(temp > 0) { long b = 1 << bit; t->value |= b; } \
  20         else { long b = ~(1 << bit); t->value &= b ;                             \
  21         return count;                                                   \
  22 }                                                                       \
  23 static DEVICE_ATTR(value, S_IWUGO | S_IRUGO, show_##value, set_##value);
  24
  25 #define show_set_ebit(dname,enumname,value,bit)                                                                                                                                                 \
  26 static ssize_t show_##bit(struct device *dev, struct device_attribute *attr, char *buf)         \
  27 {                                                                       \
  28         struct usb_interface *intf = to_usb_interface(dev);             \
  29         struct usb_##dname *t = usb_get_intfdata(intf);                 \
  30   enum enumname l = bit; \
  31   int temp = t->value & (1 << l);                                               \
  32         return sprintf(buf, "%d\n", temp);                      \
  33 }                                                                       \
  34 static ssize_t set_##bit(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)      \
  35 {                                                                       \
  36         struct usb_interface *intf = to_usb_interface(dev);             \
  37         struct usb_##dname *t = usb_get_intfdata(intf);                 \
  38         int temp = simple_strtoul(buf, NULL, 10);                       \
  39   enum enumname l = bit;\
  40         long b  = 1 << l; \
  41         if(temp > 0) { t->value |= b; } \
  42         else { t->value &= ~b ;                         \
  43         return count;                                                   \
  44 }                                                                       \
  45 static DEVICE_ATTR(value, S_IWUGO | S_IRUGO, show_##value, set_##value);
  46
  47 // FIXME FOR CORRECTLY SETTING HEX from a string
  48 #define show_set_mcmd(dname,value)                                                                                                                                                      \
  49 static ssize_t show_##value(struct device *dev, struct device_attribute *attr, char *buf)               \
  50 {                                                                       \
  51         struct usb_interface *intf = to_usb_interface(dev);             \
  52         struct usb_##dname *t = usb_get_intfdata(intf);                 \
  53   int count = 0;\
  54         int i; \
  55         for (i = 0,i<sizeof(dname); i++) count += snprintf(buf, "%02x",t->dname[i]); \
  56   return(count);\
  57 }                                                                       \
  58 static ssize_t set_##value(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)    \
  59 {                                                                       \
  60         struct usb_interface *intf = to_usb_interface(dev);             \
  61         struct usb_##dname *t = usb_get_intfdata(intf);                 \
  62         int temp = simple_strtoul(buf, NULL, 10);                       \
  63         t->value = temp;                                                \
  64         return count;                                                   \
  65 }                                                                       \
  66 static DEVICE_ATTR(value, S_IWUGO | S_IRUGO, show_##value, set_##value);
  67
  68 #define show_set_mint(dname,value)                              \
  69 static ssize_t show_##value(struct device *dev, struct device_attribute *attr, char *buf)               \
  70 {                                                                       \
  71         struct usb_interface *intf = to_usb_interface(dev);             \
  72         struct usb_##dname *t = usb_get_intfdata(intf);                 \
  73         return sprintf(buf, "%d\n", t->value);                  \
  74 }                                                                       \
  75 static ssize_t set_##value(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)    \
  76 {                                                                       \
  77         struct usb_interface *intf = to_usb_interface(dev);             \
  78         struct usb_##dname *t = usb_get_intfdata(intf);                 \
  79         int temp = simple_strtoul(buf, NULL, 10);                       \
  80         t->value = temp;                                                \
  81         return count;                                                   \
  82 }                                                                       \
  83 static DEVICE_ATTR(value, S_IWUGO | S_IRUGO, show_##value, set_##value);
  84
  85 #define show_set_mchar(dname,value)                                                                                                                                                             \
  86 static ssize_t show_##value(struct device *dev, struct device_attribute *attr, char *buf)               \
  87 {                                                                       \
  88         struct usb_interface *intf = to_usb_interface(dev);             \
  89         struct usb_##dname *t = usb_get_intfdata(intf);                 \
  90         return sprintf(buf, "%c\n", t->value);                  \
  91 }                                                                       \
  92 static ssize_t set_##value(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)    \
  93 {                                                                       \
  94         struct usb_interface *intf = to_usb_interface(dev);             \
  95         struct usb_##dname *t = usb_get_intfdata(intf);                 \
  96         int temp = simple_strtoul(buf, NULL, 10);                       \
  97         t->value = temp;                                                \
  98         return count;                                                   \
  99 }                                                                       \
 100 static DEVICE_ATTR(value, S_IWUGO | S_IRUGO, show_##value, set_##value);