2009-06-03 23:47:00 +02:00
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#ifndef UDLFB_H
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#define UDLFB_H
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2009-06-03 23:03:06 +02:00
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2009-06-03 23:47:00 +02:00
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/* as libdlo */
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#define BUF_HIGH_WATER_MARK 1024
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#define BUF_SIZE (64*1024)
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2009-06-03 23:03:06 +02:00
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2010-02-15 15:45:55 +01:00
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struct urb_node {
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struct list_head entry;
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struct dlfb_data *dev;
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struct urb *urb;
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};
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struct urb_list {
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struct list_head list;
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spinlock_t lock;
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struct semaphore limit_sem;
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int available;
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int count;
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size_t size;
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};
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2009-06-03 23:03:06 +02:00
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struct dlfb_data {
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struct usb_device *udev;
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2010-02-15 15:45:55 +01:00
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struct device *gdev; /* &udev->dev */
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2009-06-03 23:03:06 +02:00
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struct usb_interface *interface;
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struct urb *tx_urb, *ctrl_urb;
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struct usb_ctrlrequest dr;
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struct fb_info *info;
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2010-02-15 15:45:55 +01:00
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struct urb_list urbs;
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struct kref kref;
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2009-06-03 23:03:06 +02:00
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char *buf;
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char *bufend;
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char *backing_buffer;
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struct mutex bulk_mutex;
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2010-02-15 15:45:55 +01:00
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atomic_t lost_pixels; /* 1 = a render op failed. Need screen refresh */
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2009-06-03 23:03:06 +02:00
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char edid[128];
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int screen_size;
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int line_length;
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struct completion done;
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int base16;
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2009-06-11 08:02:19 +02:00
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int base16d;
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2009-06-03 23:03:06 +02:00
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int base8;
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2009-06-11 08:02:19 +02:00
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int base8d;
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2009-11-25 00:52:21 +01:00
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u32 pseudo_palette[256];
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2009-06-03 23:03:06 +02:00
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};
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2010-02-15 15:45:49 +01:00
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#define NR_USB_REQUEST_I2C_SUB_IO 0x02
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#define NR_USB_REQUEST_CHANNEL 0x12
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2010-02-15 15:45:55 +01:00
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/* -BULK_SIZE as per usb-skeleton. Can we get full page and avoid overhead? */
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#define BULK_SIZE 512
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#define MAX_TRANSFER (PAGE_SIZE*16 - BULK_SIZE)
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#define WRITES_IN_FLIGHT (4)
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#define GET_URB_TIMEOUT HZ
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#define FREE_URB_TIMEOUT (HZ*2)
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2009-06-03 23:03:06 +02:00
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static void dlfb_bulk_callback(struct urb *urb)
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{
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struct dlfb_data *dev_info = urb->context;
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complete(&dev_info->done);
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}
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2009-06-11 08:02:19 +02:00
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static void dlfb_edid(struct dlfb_data *dev_info)
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{
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int i;
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int ret;
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char rbuf[2];
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for (i = 0; i < 128; i++) {
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ret =
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usb_control_msg(dev_info->udev,
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usb_rcvctrlpipe(dev_info->udev, 0), (0x02),
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(0x80 | (0x02 << 5)), i << 8, 0xA1, rbuf, 2,
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0);
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dev_info->edid[i] = rbuf[1];
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}
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}
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2009-06-03 23:03:06 +02:00
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static int dlfb_bulk_msg(struct dlfb_data *dev_info, int len)
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{
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int ret;
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init_completion(&dev_info->done);
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dev_info->tx_urb->actual_length = 0;
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dev_info->tx_urb->transfer_buffer_length = len;
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ret = usb_submit_urb(dev_info->tx_urb, GFP_KERNEL);
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if (!wait_for_completion_timeout(&dev_info->done, 1000)) {
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usb_kill_urb(dev_info->tx_urb);
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printk("usb timeout !!!\n");
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}
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return dev_info->tx_urb->actual_length;
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}
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2009-11-25 00:52:21 +01:00
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#define dlfb_set_register insert_command
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2009-06-03 23:47:00 +02:00
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2010-02-15 15:45:55 +01:00
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#define dl_err(format, arg...) \
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dev_err(dev->gdev, "dlfb: " format, ## arg)
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#define dl_warn(format, arg...) \
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dev_warn(dev->gdev, "dlfb: " format, ## arg)
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#define dl_notice(format, arg...) \
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dev_notice(dev->gdev, "dlfb: " format, ## arg)
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#define dl_info(format, arg...) \
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dev_info(dev->gdev, "dlfb: " format, ## arg)
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2009-06-03 23:47:00 +02:00
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#endif
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