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#ifndef UDLFB_H
#define UDLFB_H
/* as libdlo */
#define BUF_HIGH_WATER_MARK 1024
#define BUF_SIZE (64*1024)
struct dlfb_data {
struct usb_device *udev;
struct usb_interface *interface;
struct urb *tx_urb, *ctrl_urb;
struct usb_ctrlrequest dr;
struct fb_info *info;
char *buf;
char *bufend;
char *backing_buffer;
struct mutex bulk_mutex;
char edid[128];
int screen_size;
int line_length;
struct completion done;
int base16;
int base16d;
int base8;
int base8d;
u32 pseudo_palette[256];
};
static void dlfb_bulk_callback(struct urb *urb)
{
struct dlfb_data *dev_info = urb->context;
complete(&dev_info->done);
}
static void dlfb_edid(struct dlfb_data *dev_info)
{
int i;
int ret;
char rbuf[2];
for (i = 0; i < 128; i++) {
ret =
usb_control_msg(dev_info->udev,
usb_rcvctrlpipe(dev_info->udev, 0), (0x02),
(0x80 | (0x02 << 5)), i << 8, 0xA1, rbuf, 2,
0);
/*printk("ret control msg edid %d: %d [%d]\n",i, ret, rbuf[1]); */
dev_info->edid[i] = rbuf[1];
}
}
static int dlfb_bulk_msg(struct dlfb_data *dev_info, int len)
{
int ret;
init_completion(&dev_info->done);
dev_info->tx_urb->actual_length = 0;
dev_info->tx_urb->transfer_buffer_length = len;
ret = usb_submit_urb(dev_info->tx_urb, GFP_KERNEL);
if (!wait_for_completion_timeout(&dev_info->done, 1000)) {
usb_kill_urb(dev_info->tx_urb);
printk("usb timeout !!!\n");
}
return dev_info->tx_urb->actual_length;
}
#define dlfb_set_register insert_command
#endif
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