64 static int     fb_open(struct file *filep);
65 static int     fb_close(struct file *filep);
66 static ssize_t fb_read(struct file *filep, char *buffer, size_t buflen);
67 static ssize_t fb_write(struct file *filep, const char *buffer, size_t buflen);
68 static off_t   fb_seek(struct file *filep, off_t offset, int whence);
69 static int     fb_ioctl(struct file *filep, int cmd, unsigned long arg);
70 static ssize_t fb_mmap(struct file* filep, LosVmMapRegion *region);
97 static ssize_t fb_mmap(struct file *filep, LosVmMapRegion *region)  in fb_mmap()  argument
104   drvData = (struct drv_data *)filep->f_vnode->data;  in fb_mmap()
133 static int fb_open(struct file *filep)  in fb_open()  argument
135   DEBUGASSERT(filep != NULL && filep->f_vnode != NULL);  in fb_open()
141   drvData = (struct drv_data *)filep->f_vnode->data;  in fb_open()
170 static int fb_close(struct file *filep)  in fb_close()  argument
172   DEBUGASSERT(filep != NULL && filep->f_vnode != NULL);  in fb_close()
178   drvData = (struct drv_data *)filep->f_vnode->data;  in fb_close()
203 static ssize_t fb_read(struct file *filep, char *buffer, size_t len)  in fb_read()  argument
214   DEBUGASSERT(filep != NULL && filep->f_vnode != NULL);  in fb_read()
215   drvData = (struct drv_data *)filep->f_vnode->data;  in fb_read()
219   start = filep->f_pos;  in fb_read()
240   filep->f_pos += size;  in fb_read()
248 static ssize_t fb_write(struct file *filep, const char *buffer,  in fb_write()  argument
261   DEBUGASSERT(filep != NULL && filep->f_vnode != NULL);  in fb_write()
262   drvData = (struct drv_data *)filep->f_vnode->data;  in fb_write()
266   start = filep->f_pos;  in fb_write()
287   filep->f_pos += size;  in fb_write()
301 static off_t fb_seek(struct file *filep, off_t offset, int whence)  in fb_seek()  argument
310   DEBUGASSERT(filep != NULL && filep->f_vnode != NULL);  in fb_seek()
311   drvData = (struct drv_data *)filep->f_vnode->data;  in fb_seek()
318       newpos = filep->f_pos + offset;  in fb_seek()
350       filep->f_pos = newpos;  in fb_seek()
369 static int fb_ioctl(struct file *filep, int cmd, unsigned long arg)  in fb_ioctl()  argument
377   DEBUGASSERT(filep != NULL && filep->f_vnode != NULL);  in fb_ioctl()
378   drvData = (struct drv_data *)filep->f_vnode->data;  in fb_ioctl()