Commit | Line | Data |
---|---|---|
607ca46e DH |
1 | /* |
2 | * Any part of this program may be used in documents licensed under | |
3 | * the GNU Free Documentation License, Version 1.1 or any later version | |
4 | * published by the Free Software Foundation. | |
5 | */ | |
6 | ||
7 | #ifndef _UAPI_PARPORT_H_ | |
8 | #define _UAPI_PARPORT_H_ | |
9 | ||
10 | /* Start off with user-visible constants */ | |
11 | ||
12 | /* Maximum of 16 ports per machine */ | |
13 | #define PARPORT_MAX 16 | |
14 | ||
15 | /* Magic numbers */ | |
16 | #define PARPORT_IRQ_NONE -1 | |
17 | #define PARPORT_DMA_NONE -1 | |
18 | #define PARPORT_IRQ_AUTO -2 | |
19 | #define PARPORT_DMA_AUTO -2 | |
20 | #define PARPORT_DMA_NOFIFO -3 | |
21 | #define PARPORT_DISABLE -2 | |
22 | #define PARPORT_IRQ_PROBEONLY -3 | |
23 | #define PARPORT_IOHI_AUTO -1 | |
24 | ||
25 | #define PARPORT_CONTROL_STROBE 0x1 | |
26 | #define PARPORT_CONTROL_AUTOFD 0x2 | |
27 | #define PARPORT_CONTROL_INIT 0x4 | |
28 | #define PARPORT_CONTROL_SELECT 0x8 | |
29 | ||
30 | #define PARPORT_STATUS_ERROR 0x8 | |
31 | #define PARPORT_STATUS_SELECT 0x10 | |
32 | #define PARPORT_STATUS_PAPEROUT 0x20 | |
33 | #define PARPORT_STATUS_ACK 0x40 | |
34 | #define PARPORT_STATUS_BUSY 0x80 | |
35 | ||
36 | /* Type classes for Plug-and-Play probe. */ | |
37 | typedef enum { | |
38 | PARPORT_CLASS_LEGACY = 0, /* Non-IEEE1284 device */ | |
39 | PARPORT_CLASS_PRINTER, | |
40 | PARPORT_CLASS_MODEM, | |
41 | PARPORT_CLASS_NET, | |
42 | PARPORT_CLASS_HDC, /* Hard disk controller */ | |
43 | PARPORT_CLASS_PCMCIA, | |
44 | PARPORT_CLASS_MEDIA, /* Multimedia device */ | |
45 | PARPORT_CLASS_FDC, /* Floppy disk controller */ | |
46 | PARPORT_CLASS_PORTS, | |
47 | PARPORT_CLASS_SCANNER, | |
48 | PARPORT_CLASS_DIGCAM, | |
49 | PARPORT_CLASS_OTHER, /* Anything else */ | |
50 | PARPORT_CLASS_UNSPEC, /* No CLS field in ID */ | |
51 | PARPORT_CLASS_SCSIADAPTER | |
52 | } parport_device_class; | |
53 | ||
54 | /* The "modes" entry in parport is a bit field representing the | |
55 | capabilities of the hardware. */ | |
56 | #define PARPORT_MODE_PCSPP (1<<0) /* IBM PC registers available. */ | |
57 | #define PARPORT_MODE_TRISTATE (1<<1) /* Can tristate. */ | |
58 | #define PARPORT_MODE_EPP (1<<2) /* Hardware EPP. */ | |
59 | #define PARPORT_MODE_ECP (1<<3) /* Hardware ECP. */ | |
60 | #define PARPORT_MODE_COMPAT (1<<4) /* Hardware 'printer protocol'. */ | |
61 | #define PARPORT_MODE_DMA (1<<5) /* Hardware can DMA. */ | |
62 | #define PARPORT_MODE_SAFEININT (1<<6) /* SPP registers accessible in IRQ. */ | |
63 | ||
64 | /* IEEE1284 modes: | |
65 | Nibble mode, byte mode, ECP, ECPRLE and EPP are their own | |
66 | 'extensibility request' values. Others are special. | |
67 | 'Real' ECP modes must have the IEEE1284_MODE_ECP bit set. */ | |
68 | #define IEEE1284_MODE_NIBBLE 0 | |
69 | #define IEEE1284_MODE_BYTE (1<<0) | |
70 | #define IEEE1284_MODE_COMPAT (1<<8) | |
71 | #define IEEE1284_MODE_BECP (1<<9) /* Bounded ECP mode */ | |
72 | #define IEEE1284_MODE_ECP (1<<4) | |
73 | #define IEEE1284_MODE_ECPRLE (IEEE1284_MODE_ECP | (1<<5)) | |
74 | #define IEEE1284_MODE_ECPSWE (1<<10) /* Software-emulated */ | |
75 | #define IEEE1284_MODE_EPP (1<<6) | |
76 | #define IEEE1284_MODE_EPPSL (1<<11) /* EPP 1.7 */ | |
77 | #define IEEE1284_MODE_EPPSWE (1<<12) /* Software-emulated */ | |
78 | #define IEEE1284_DEVICEID (1<<2) /* This is a flag */ | |
79 | #define IEEE1284_EXT_LINK (1<<14) /* This flag causes the | |
80 | * extensibility link to | |
81 | * be requested, using | |
82 | * bits 0-6. */ | |
83 | ||
84 | /* For the benefit of parport_read/write, you can use these with | |
85 | * parport_negotiate to use address operations. They have no effect | |
86 | * other than to make parport_read/write use address transfers. */ | |
87 | #define IEEE1284_ADDR (1<<13) /* This is a flag */ | |
88 | #define IEEE1284_DATA 0 /* So is this */ | |
89 | ||
90 | /* Flags for block transfer operations. */ | |
91 | #define PARPORT_EPP_FAST (1<<0) /* Unreliable counts. */ | |
92 | #define PARPORT_W91284PIC (1<<1) /* have a Warp9 w91284pic in the device */ | |
93 | ||
94 | /* The rest is for the kernel only */ | |
95 | #endif /* _UAPI_PARPORT_H_ */ |