1*4882a593Smuzhiyun /* 2*4882a593Smuzhiyun * Any part of this program may be used in documents licensed under 3*4882a593Smuzhiyun * the GNU Free Documentation License, Version 1.1 or any later version 4*4882a593Smuzhiyun * published by the Free Software Foundation. 5*4882a593Smuzhiyun */ 6*4882a593Smuzhiyun 7*4882a593Smuzhiyun #ifndef _UAPI_PARPORT_H_ 8*4882a593Smuzhiyun #define _UAPI_PARPORT_H_ 9*4882a593Smuzhiyun 10*4882a593Smuzhiyun /* Start off with user-visible constants */ 11*4882a593Smuzhiyun 12*4882a593Smuzhiyun /* Maximum of 16 ports per machine */ 13*4882a593Smuzhiyun #define PARPORT_MAX 16 14*4882a593Smuzhiyun 15*4882a593Smuzhiyun /* Magic numbers */ 16*4882a593Smuzhiyun #define PARPORT_IRQ_NONE -1 17*4882a593Smuzhiyun #define PARPORT_DMA_NONE -1 18*4882a593Smuzhiyun #define PARPORT_IRQ_AUTO -2 19*4882a593Smuzhiyun #define PARPORT_DMA_AUTO -2 20*4882a593Smuzhiyun #define PARPORT_DMA_NOFIFO -3 21*4882a593Smuzhiyun #define PARPORT_DISABLE -2 22*4882a593Smuzhiyun #define PARPORT_IRQ_PROBEONLY -3 23*4882a593Smuzhiyun #define PARPORT_IOHI_AUTO -1 24*4882a593Smuzhiyun 25*4882a593Smuzhiyun #define PARPORT_CONTROL_STROBE 0x1 26*4882a593Smuzhiyun #define PARPORT_CONTROL_AUTOFD 0x2 27*4882a593Smuzhiyun #define PARPORT_CONTROL_INIT 0x4 28*4882a593Smuzhiyun #define PARPORT_CONTROL_SELECT 0x8 29*4882a593Smuzhiyun 30*4882a593Smuzhiyun #define PARPORT_STATUS_ERROR 0x8 31*4882a593Smuzhiyun #define PARPORT_STATUS_SELECT 0x10 32*4882a593Smuzhiyun #define PARPORT_STATUS_PAPEROUT 0x20 33*4882a593Smuzhiyun #define PARPORT_STATUS_ACK 0x40 34*4882a593Smuzhiyun #define PARPORT_STATUS_BUSY 0x80 35*4882a593Smuzhiyun 36*4882a593Smuzhiyun /* Type classes for Plug-and-Play probe. */ 37*4882a593Smuzhiyun typedef enum { 38*4882a593Smuzhiyun PARPORT_CLASS_LEGACY = 0, /* Non-IEEE1284 device */ 39*4882a593Smuzhiyun PARPORT_CLASS_PRINTER, 40*4882a593Smuzhiyun PARPORT_CLASS_MODEM, 41*4882a593Smuzhiyun PARPORT_CLASS_NET, 42*4882a593Smuzhiyun PARPORT_CLASS_HDC, /* Hard disk controller */ 43*4882a593Smuzhiyun PARPORT_CLASS_PCMCIA, 44*4882a593Smuzhiyun PARPORT_CLASS_MEDIA, /* Multimedia device */ 45*4882a593Smuzhiyun PARPORT_CLASS_FDC, /* Floppy disk controller */ 46*4882a593Smuzhiyun PARPORT_CLASS_PORTS, 47*4882a593Smuzhiyun PARPORT_CLASS_SCANNER, 48*4882a593Smuzhiyun PARPORT_CLASS_DIGCAM, 49*4882a593Smuzhiyun PARPORT_CLASS_OTHER, /* Anything else */ 50*4882a593Smuzhiyun PARPORT_CLASS_UNSPEC, /* No CLS field in ID */ 51*4882a593Smuzhiyun PARPORT_CLASS_SCSIADAPTER 52*4882a593Smuzhiyun } parport_device_class; 53*4882a593Smuzhiyun 54*4882a593Smuzhiyun /* The "modes" entry in parport is a bit field representing the 55*4882a593Smuzhiyun capabilities of the hardware. */ 56*4882a593Smuzhiyun #define PARPORT_MODE_PCSPP (1<<0) /* IBM PC registers available. */ 57*4882a593Smuzhiyun #define PARPORT_MODE_TRISTATE (1<<1) /* Can tristate. */ 58*4882a593Smuzhiyun #define PARPORT_MODE_EPP (1<<2) /* Hardware EPP. */ 59*4882a593Smuzhiyun #define PARPORT_MODE_ECP (1<<3) /* Hardware ECP. */ 60*4882a593Smuzhiyun #define PARPORT_MODE_COMPAT (1<<4) /* Hardware 'printer protocol'. */ 61*4882a593Smuzhiyun #define PARPORT_MODE_DMA (1<<5) /* Hardware can DMA. */ 62*4882a593Smuzhiyun #define PARPORT_MODE_SAFEININT (1<<6) /* SPP registers accessible in IRQ. */ 63*4882a593Smuzhiyun 64*4882a593Smuzhiyun /* IEEE1284 modes: 65*4882a593Smuzhiyun Nibble mode, byte mode, ECP, ECPRLE and EPP are their own 66*4882a593Smuzhiyun 'extensibility request' values. Others are special. 67*4882a593Smuzhiyun 'Real' ECP modes must have the IEEE1284_MODE_ECP bit set. */ 68*4882a593Smuzhiyun #define IEEE1284_MODE_NIBBLE 0 69*4882a593Smuzhiyun #define IEEE1284_MODE_BYTE (1<<0) 70*4882a593Smuzhiyun #define IEEE1284_MODE_COMPAT (1<<8) 71*4882a593Smuzhiyun #define IEEE1284_MODE_BECP (1<<9) /* Bounded ECP mode */ 72*4882a593Smuzhiyun #define IEEE1284_MODE_ECP (1<<4) 73*4882a593Smuzhiyun #define IEEE1284_MODE_ECPRLE (IEEE1284_MODE_ECP | (1<<5)) 74*4882a593Smuzhiyun #define IEEE1284_MODE_ECPSWE (1<<10) /* Software-emulated */ 75*4882a593Smuzhiyun #define IEEE1284_MODE_EPP (1<<6) 76*4882a593Smuzhiyun #define IEEE1284_MODE_EPPSL (1<<11) /* EPP 1.7 */ 77*4882a593Smuzhiyun #define IEEE1284_MODE_EPPSWE (1<<12) /* Software-emulated */ 78*4882a593Smuzhiyun #define IEEE1284_DEVICEID (1<<2) /* This is a flag */ 79*4882a593Smuzhiyun #define IEEE1284_EXT_LINK (1<<14) /* This flag causes the 80*4882a593Smuzhiyun * extensibility link to 81*4882a593Smuzhiyun * be requested, using 82*4882a593Smuzhiyun * bits 0-6. */ 83*4882a593Smuzhiyun 84*4882a593Smuzhiyun /* For the benefit of parport_read/write, you can use these with 85*4882a593Smuzhiyun * parport_negotiate to use address operations. They have no effect 86*4882a593Smuzhiyun * other than to make parport_read/write use address transfers. */ 87*4882a593Smuzhiyun #define IEEE1284_ADDR (1<<13) /* This is a flag */ 88*4882a593Smuzhiyun #define IEEE1284_DATA 0 /* So is this */ 89*4882a593Smuzhiyun 90*4882a593Smuzhiyun /* Flags for block transfer operations. */ 91*4882a593Smuzhiyun #define PARPORT_EPP_FAST (1<<0) /* Unreliable counts. */ 92*4882a593Smuzhiyun #define PARPORT_W91284PIC (1<<1) /* have a Warp9 w91284pic in the device */ 93*4882a593Smuzhiyun 94*4882a593Smuzhiyun /* The rest is for the kernel only */ 95*4882a593Smuzhiyun #endif /* _UAPI_PARPORT_H_ */ 96