mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson
synced 2025-10-31 18:53:24 +00:00
52d417388d
Switch the EPCA driver to include and begin using a tty_port structure Signed-off-by: Alan Cox <alan@redhat.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
159 lines
3.7 KiB
C
159 lines
3.7 KiB
C
#define XEMPORTS 0xC02
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#define XEPORTS 0xC22
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#define MAX_ALLOC 0x100
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#define MAXBOARDS 12
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#define FEPCODESEG 0x0200L
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#define FEPCODE 0x2000L
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#define BIOSCODE 0xf800L
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#define MISCGLOBAL 0x0C00L
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#define NPORT 0x0C22L
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#define MBOX 0x0C40L
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#define PORTBASE 0x0C90L
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/* Begin code defines used for epca_setup */
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#define INVALID_BOARD_TYPE 0x1
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#define INVALID_NUM_PORTS 0x2
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#define INVALID_MEM_BASE 0x4
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#define INVALID_PORT_BASE 0x8
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#define INVALID_BOARD_STATUS 0x10
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#define INVALID_ALTPIN 0x20
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/* End code defines used for epca_setup */
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#define FEPCLR 0x00
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#define FEPMEM 0x02
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#define FEPRST 0x04
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#define FEPINT 0x08
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#define FEPMASK 0x0e
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#define FEPWIN 0x80
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#define PCXE 0
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#define PCXEVE 1
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#define PCXEM 2
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#define EISAXEM 3
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#define PC64XE 4
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#define PCXI 5
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#define PCIXEM 7
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#define PCICX 8
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#define PCIXR 9
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#define PCIXRJ 10
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#define EPCA_NUM_TYPES 6
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static char *board_desc[] =
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{
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"PC/Xe",
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"PC/Xeve",
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"PC/Xem",
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"EISA/Xem",
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"PC/64Xe",
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"PC/Xi",
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"unknown",
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"PCI/Xem",
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"PCI/CX",
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"PCI/Xr",
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"PCI/Xrj",
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};
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#define STARTC 021
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#define STOPC 023
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#define IAIXON 0x2000
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#define TXSTOPPED 0x1
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#define LOWWAIT 0x2
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#define EMPTYWAIT 0x4
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#define RXSTOPPED 0x8
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#define TXBUSY 0x10
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#define DISABLED 0
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#define ENABLED 1
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#define OFF 0
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#define ON 1
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#define FEPTIMEOUT 200000
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#define SERIAL_TYPE_INFO 3
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#define EPCA_EVENT_HANGUP 1
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#define EPCA_MAGIC 0x5c6df104L
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struct channel
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{
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long magic;
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struct tty_port port;
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unsigned char boardnum;
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unsigned char channelnum;
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unsigned char omodem; /* FEP output modem status */
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unsigned char imodem; /* FEP input modem status */
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unsigned char modemfake; /* Modem values to be forced */
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unsigned char modem; /* Force values */
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unsigned char hflow;
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unsigned char dsr;
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unsigned char dcd;
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unsigned char m_rts ; /* The bits used in whatever FEP */
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unsigned char m_dcd ; /* is indiginous to this board to */
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unsigned char m_dsr ; /* represent each of the physical */
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unsigned char m_cts ; /* handshake lines */
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unsigned char m_ri ;
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unsigned char m_dtr ;
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unsigned char stopc;
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unsigned char startc;
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unsigned char stopca;
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unsigned char startca;
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unsigned char fepstopc;
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unsigned char fepstartc;
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unsigned char fepstopca;
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unsigned char fepstartca;
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unsigned char txwin;
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unsigned char rxwin;
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unsigned short fepiflag;
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unsigned short fepcflag;
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unsigned short fepoflag;
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unsigned short txbufhead;
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unsigned short txbufsize;
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unsigned short rxbufhead;
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unsigned short rxbufsize;
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int close_delay;
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unsigned long event;
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uint dev;
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unsigned long statusflags;
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unsigned long c_iflag;
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unsigned long c_cflag;
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unsigned long c_lflag;
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unsigned long c_oflag;
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unsigned char __iomem *txptr;
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unsigned char __iomem *rxptr;
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struct board_info *board;
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struct board_chan __iomem *brdchan;
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struct digi_struct digiext;
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struct work_struct tqueue;
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struct global_data __iomem *mailbox;
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};
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struct board_info
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{
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unsigned char status;
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unsigned char type;
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unsigned char altpin;
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unsigned short numports;
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unsigned long port;
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unsigned long membase;
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void __iomem *re_map_port;
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void __iomem *re_map_membase;
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unsigned long memory_seg;
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void ( * memwinon ) (struct board_info *, unsigned int) ;
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void ( * memwinoff ) (struct board_info *, unsigned int) ;
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void ( * globalwinon ) (struct channel *) ;
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void ( * txwinon ) (struct channel *) ;
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void ( * rxwinon ) (struct channel *) ;
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void ( * memoff ) (struct channel *) ;
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void ( * assertgwinon ) (struct channel *) ;
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void ( * assertmemoff ) (struct channel *) ;
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unsigned char poller_inhibited ;
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};
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