#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]; }; #define NR_USB_REQUEST_I2C_SUB_IO 0x02 #define NR_USB_REQUEST_CHANNEL 0x12 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); 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