Commit | Line | Data |
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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; | |
22 | struct urb *urb; | |
23 | }; | |
24 | ||
25 | struct urb_list { | |
26 | struct list_head list; | |
27 | spinlock_t lock; | |
28 | struct semaphore limit_sem; | |
29 | int available; | |
30 | int count; | |
31 | size_t size; | |
32 | }; | |
33 | ||
88e58b1a RDI |
34 | struct dlfb_data { |
35 | struct usb_device *udev; | |
4a4854dd | 36 | struct device *gdev; /* &udev->dev */ |
88e58b1a | 37 | struct fb_info *info; |
4a4854dd BT |
38 | struct urb_list urbs; |
39 | struct kref kref; | |
88e58b1a | 40 | char *backing_buffer; |
2469d5db BT |
41 | struct delayed_work deferred_work; |
42 | struct mutex fb_open_lock; | |
7d9485e2 BT |
43 | int fb_count; |
44 | atomic_t usb_active; /* 0 = update virtual buffer, but no usb traffic */ | |
4a4854dd | 45 | atomic_t lost_pixels; /* 1 = a render op failed. Need screen refresh */ |
7d9485e2 | 46 | atomic_t use_defio; /* 0 = rely on ioctls and blit/copy/fill rects */ |
88e58b1a | 47 | char edid[128]; |
7d9485e2 | 48 | int sku_pixel_limit; |
88e58b1a RDI |
49 | int base16; |
50 | int base8; | |
59277b67 | 51 | u32 pseudo_palette[256]; |
7d9485e2 BT |
52 | /* blit-only rendering path metrics, exposed through sysfs */ |
53 | atomic_t bytes_rendered; /* raw pixel-bytes driver asked to render */ | |
54 | atomic_t bytes_identical; /* saved effort with backbuffer comparison */ | |
55 | atomic_t bytes_sent; /* to usb, after compression including overhead */ | |
56 | atomic_t cpu_kcycles_used; /* transpired during pixel processing */ | |
57 | /* interface usage metrics. Clients can call driver via several */ | |
58 | atomic_t blit_count; | |
59 | atomic_t copy_count; | |
60 | atomic_t fill_count; | |
61 | atomic_t damage_count; | |
62 | atomic_t defio_fault_count; | |
88e58b1a RDI |
63 | }; |
64 | ||
cc403dc6 BT |
65 | #define NR_USB_REQUEST_I2C_SUB_IO 0x02 |
66 | #define NR_USB_REQUEST_CHANNEL 0x12 | |
67 | ||
4a4854dd BT |
68 | /* -BULK_SIZE as per usb-skeleton. Can we get full page and avoid overhead? */ |
69 | #define BULK_SIZE 512 | |
70 | #define MAX_TRANSFER (PAGE_SIZE*16 - BULK_SIZE) | |
71 | #define WRITES_IN_FLIGHT (4) | |
72 | ||
73 | #define GET_URB_TIMEOUT HZ | |
74 | #define FREE_URB_TIMEOUT (HZ*2) | |
75 | ||
530f43a8 BT |
76 | #define BPP 2 |
77 | #define MAX_CMD_PIXELS 255 | |
88e58b1a | 78 | |
530f43a8 BT |
79 | #define RLX_HEADER_BYTES 7 |
80 | #define MIN_RLX_PIX_BYTES 4 | |
81 | #define MIN_RLX_CMD_BYTES (RLX_HEADER_BYTES + MIN_RLX_PIX_BYTES) | |
88e58b1a | 82 | |
530f43a8 BT |
83 | #define RLE_HEADER_BYTES 6 |
84 | #define MIN_RLE_PIX_BYTES 3 | |
85 | #define MIN_RLE_CMD_BYTES (RLE_HEADER_BYTES + MIN_RLE_PIX_BYTES) | |
88e58b1a | 86 | |
530f43a8 BT |
87 | #define RAW_HEADER_BYTES 6 |
88 | #define MIN_RAW_PIX_BYTES 2 | |
89 | #define MIN_RAW_CMD_BYTES (RAW_HEADER_BYTES + MIN_RAW_PIX_BYTES) | |
88e58b1a | 90 | |
530f43a8 BT |
91 | /* remove these once align.h patch is taken into kernel */ |
92 | #define DL_ALIGN_UP(x, a) ALIGN(x, a) | |
93 | #define DL_ALIGN_DOWN(x, a) ALIGN(x-(a-1), a) | |
39e7df5d | 94 | |
7d9485e2 BT |
95 | /* remove once this gets added to sysfs.h */ |
96 | #define __ATTR_RW(attr) __ATTR(attr, 0644, attr##_show, attr##_store) | |
97 | ||
4a4854dd BT |
98 | #define dl_err(format, arg...) \ |
99 | dev_err(dev->gdev, "dlfb: " format, ## arg) | |
100 | #define dl_warn(format, arg...) \ | |
101 | dev_warn(dev->gdev, "dlfb: " format, ## arg) | |
102 | #define dl_notice(format, arg...) \ | |
103 | dev_notice(dev->gdev, "dlfb: " format, ## arg) | |
104 | #define dl_info(format, arg...) \ | |
105 | dev_info(dev->gdev, "dlfb: " format, ## arg) | |
39e7df5d | 106 | #endif |