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System | : | Linux MiraNet 3.0.0-14-generic-pae #23-Ubuntu SMP Mon Nov 21 22:07:10 UTC 2011 i686 |
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/
usr/
src/
linux-headers-3.0.0-14/
include/
video/
- drwxr-xr-x
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Viewing file: udlfb.h (2.7 KB) -rw-r--r--Select action/file-type:  ( +) |  ( +) |  ( +) | Code ( +) | Session ( +) |  ( +) | SDB ( +) |  ( +) |  ( +) |  ( +) |  ( +) |  ( +) |
#ifndef UDLFB_H #define UDLFB_H
/* * TODO: Propose standard fb.h ioctl for reporting damage, * using _IOWR() and one of the existing area structs from fb.h * Consider these ioctls deprecated, but they're still used by the * DisplayLink X server as yet - need both to be modified in tandem * when new ioctl(s) are ready. */ #define DLFB_IOCTL_RETURN_EDID 0xAD #define DLFB_IOCTL_REPORT_DAMAGE 0xAA struct dloarea { int x, y; int w, h; int x2, y2; };
struct urb_node { struct list_head entry; struct dlfb_data *dev; struct delayed_work release_urb_work; struct urb *urb; };
struct urb_list { struct list_head list; spinlock_t lock; struct semaphore limit_sem; int available; int count; size_t size; };
struct dlfb_data { struct usb_device *udev; struct device *gdev; /* &udev->dev */ struct fb_info *info; struct urb_list urbs; struct kref kref; char *backing_buffer; int fb_count; bool virtualized; /* true when physical usb device not present */ struct delayed_work free_framebuffer_work; atomic_t usb_active; /* 0 = update virtual buffer, but no usb traffic */ atomic_t lost_pixels; /* 1 = a render op failed. Need screen refresh */ char *edid; /* null until we read edid from hw or get from sysfs */ size_t edid_size; int sku_pixel_limit; int base16; int base8; u32 pseudo_palette[256]; /* blit-only rendering path metrics, exposed through sysfs */ atomic_t bytes_rendered; /* raw pixel-bytes driver asked to render */ atomic_t bytes_identical; /* saved effort with backbuffer comparison */ atomic_t bytes_sent; /* to usb, after compression including overhead */ atomic_t cpu_kcycles_used; /* transpired during pixel processing */ };
#define NR_USB_REQUEST_I2C_SUB_IO 0x02 #define NR_USB_REQUEST_CHANNEL 0x12
/* -BULK_SIZE as per usb-skeleton. Can we get full page and avoid overhead? */ #define BULK_SIZE 512 #define MAX_TRANSFER (PAGE_SIZE*16 - BULK_SIZE) #define WRITES_IN_FLIGHT (4)
#define MAX_VENDOR_DESCRIPTOR_SIZE 256
#define GET_URB_TIMEOUT HZ #define FREE_URB_TIMEOUT (HZ*2)
#define BPP 2 #define MAX_CMD_PIXELS 255
#define RLX_HEADER_BYTES 7 #define MIN_RLX_PIX_BYTES 4 #define MIN_RLX_CMD_BYTES (RLX_HEADER_BYTES + MIN_RLX_PIX_BYTES)
#define RLE_HEADER_BYTES 6 #define MIN_RLE_PIX_BYTES 3 #define MIN_RLE_CMD_BYTES (RLE_HEADER_BYTES + MIN_RLE_PIX_BYTES)
#define RAW_HEADER_BYTES 6 #define MIN_RAW_PIX_BYTES 2 #define MIN_RAW_CMD_BYTES (RAW_HEADER_BYTES + MIN_RAW_PIX_BYTES)
#define DL_DEFIO_WRITE_DELAY 5 /* fb_deferred_io.delay in jiffies */ #define DL_DEFIO_WRITE_DISABLE (HZ*60) /* "disable" with long delay */
/* remove these once align.h patch is taken into kernel */ #define DL_ALIGN_UP(x, a) ALIGN(x, a) #define DL_ALIGN_DOWN(x, a) ALIGN(x-(a-1), a)
#endif
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