]>
Commit | Line | Data |
---|---|---|
39e7df5d GKH |
1 | #ifndef UDLFB_H |
2 | #define UDLFB_H | |
88e58b1a | 3 | |
530f43a8 BT |
4 | /* |
5 | * TODO: Propose standard fb.h ioctl for reporting damage, | |
6 | * using _IOWR() and one of the existing area structs from fb.h | |
7 | * Consider these ioctls deprecated, but they're still used by the | |
8 | * DisplayLink X server as yet - need both to be modified in tandem | |
9 | * when new ioctl(s) are ready. | |
10 | */ | |
11 | #define DLFB_IOCTL_RETURN_EDID 0xAD | |
12 | #define DLFB_IOCTL_REPORT_DAMAGE 0xAA | |
13 | struct dloarea { | |
14 | int x, y; | |
15 | int w, h; | |
16 | int x2, y2; | |
17 | }; | |
88e58b1a | 18 | |
4a4854dd BT |
19 | struct urb_node { |
20 | struct list_head entry; | |
21 | struct dlfb_data *dev; | |
5bea1fbf | 22 | struct delayed_work release_urb_work; |
4a4854dd BT |
23 | struct urb *urb; |
24 | }; | |
25 | ||
26 | struct urb_list { | |
27 | struct list_head list; | |
28 | spinlock_t lock; | |
29 | struct semaphore limit_sem; | |
30 | int available; | |
31 | int count; | |
32 | size_t size; | |
33 | }; | |
34 | ||
88e58b1a RDI |
35 | struct dlfb_data { |
36 | struct usb_device *udev; | |
4a4854dd | 37 | struct device *gdev; /* &udev->dev */ |
88e58b1a | 38 | struct fb_info *info; |
4a4854dd BT |
39 | struct urb_list urbs; |
40 | struct kref kref; | |
88e58b1a | 41 | char *backing_buffer; |
7d9485e2 | 42 | int fb_count; |
33077b8d | 43 | bool virtualized; /* true when physical usb device not present */ |
8d21547d | 44 | struct delayed_work init_framebuffer_work; |
33077b8d | 45 | struct delayed_work free_framebuffer_work; |
7d9485e2 | 46 | atomic_t usb_active; /* 0 = update virtual buffer, but no usb traffic */ |
4a4854dd | 47 | atomic_t lost_pixels; /* 1 = a render op failed. Need screen refresh */ |
18dffdf8 BT |
48 | char *edid; /* null until we read edid from hw or get from sysfs */ |
49 | size_t edid_size; | |
7d9485e2 | 50 | int sku_pixel_limit; |
88e58b1a RDI |
51 | int base16; |
52 | int base8; | |
59277b67 | 53 | u32 pseudo_palette[256]; |
58e7c3b0 | 54 | int blank_mode; /*one of FB_BLANK_ */ |
7d9485e2 BT |
55 | /* blit-only rendering path metrics, exposed through sysfs */ |
56 | atomic_t bytes_rendered; /* raw pixel-bytes driver asked to render */ | |
57 | atomic_t bytes_identical; /* saved effort with backbuffer comparison */ | |
58 | atomic_t bytes_sent; /* to usb, after compression including overhead */ | |
59 | atomic_t cpu_kcycles_used; /* transpired during pixel processing */ | |
88e58b1a RDI |
60 | }; |
61 | ||
cc403dc6 BT |
62 | #define NR_USB_REQUEST_I2C_SUB_IO 0x02 |
63 | #define NR_USB_REQUEST_CHANNEL 0x12 | |
64 | ||
4a4854dd BT |
65 | /* -BULK_SIZE as per usb-skeleton. Can we get full page and avoid overhead? */ |
66 | #define BULK_SIZE 512 | |
67 | #define MAX_TRANSFER (PAGE_SIZE*16 - BULK_SIZE) | |
68 | #define WRITES_IN_FLIGHT (4) | |
69 | ||
18dffdf8 BT |
70 | #define MAX_VENDOR_DESCRIPTOR_SIZE 256 |
71 | ||
4a4854dd BT |
72 | #define GET_URB_TIMEOUT HZ |
73 | #define FREE_URB_TIMEOUT (HZ*2) | |
74 | ||
530f43a8 BT |
75 | #define BPP 2 |
76 | #define MAX_CMD_PIXELS 255 | |
88e58b1a | 77 | |
530f43a8 BT |
78 | #define RLX_HEADER_BYTES 7 |
79 | #define MIN_RLX_PIX_BYTES 4 | |
80 | #define MIN_RLX_CMD_BYTES (RLX_HEADER_BYTES + MIN_RLX_PIX_BYTES) | |
88e58b1a | 81 | |
530f43a8 BT |
82 | #define RLE_HEADER_BYTES 6 |
83 | #define MIN_RLE_PIX_BYTES 3 | |
84 | #define MIN_RLE_CMD_BYTES (RLE_HEADER_BYTES + MIN_RLE_PIX_BYTES) | |
88e58b1a | 85 | |
530f43a8 BT |
86 | #define RAW_HEADER_BYTES 6 |
87 | #define MIN_RAW_PIX_BYTES 2 | |
88 | #define MIN_RAW_CMD_BYTES (RAW_HEADER_BYTES + MIN_RAW_PIX_BYTES) | |
88e58b1a | 89 | |
5bea1fbf BT |
90 | #define DL_DEFIO_WRITE_DELAY 5 /* fb_deferred_io.delay in jiffies */ |
91 | #define DL_DEFIO_WRITE_DISABLE (HZ*60) /* "disable" with long delay */ | |
92 | ||
530f43a8 BT |
93 | /* remove these once align.h patch is taken into kernel */ |
94 | #define DL_ALIGN_UP(x, a) ALIGN(x, a) | |
95 | #define DL_ALIGN_DOWN(x, a) ALIGN(x-(a-1), a) | |
39e7df5d GKH |
96 | |
97 | #endif |