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https://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson
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3099bbc594
- Cy_EVENT_OPEN_WAKEUP is simple wake_up - Cy_EVENT_HANGUP is wake_up + tty_hangup, which schedules its own work - Cy_EVENT_WRITE_WAKEUP is tty_wakeup which may be called directly too Signed-off-by: Jiri Slaby <jirislaby@gmail.com> Acked-by: Alan Cox <alan@redhat.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
158 lines
4.1 KiB
C
158 lines
4.1 KiB
C
/*
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* serial167.h
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*
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* Richard Hirst [richard@sleepie.demon.co.uk]
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*
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* Based on cyclades.h
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*/
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struct cyclades_monitor {
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unsigned long int_count;
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unsigned long char_count;
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unsigned long char_max;
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unsigned long char_last;
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};
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/*
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* This is our internal structure for each serial port's state.
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*
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* Many fields are paralleled by the structure used by the serial_struct
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* structure.
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*
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* For definitions of the flags field, see tty.h
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*/
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struct cyclades_port {
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int magic;
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int type;
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int card;
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int line;
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int flags; /* defined in tty.h */
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struct tty_struct *tty;
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int read_status_mask;
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int timeout;
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int xmit_fifo_size;
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int cor1,cor2,cor3,cor4,cor5,cor6,cor7;
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int tbpr,tco,rbpr,rco;
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int ignore_status_mask;
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int close_delay;
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int IER; /* Interrupt Enable Register */
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unsigned long last_active;
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int count; /* # of fd on device */
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int x_char; /* to be pushed out ASAP */
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int x_break;
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int blocked_open; /* # of blocked opens */
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unsigned char *xmit_buf;
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int xmit_head;
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int xmit_tail;
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int xmit_cnt;
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int default_threshold;
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int default_timeout;
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wait_queue_head_t open_wait;
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wait_queue_head_t close_wait;
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struct cyclades_monitor mon;
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};
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#define CYCLADES_MAGIC 0x4359
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#define CYGETMON 0x435901
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#define CYGETTHRESH 0x435902
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#define CYSETTHRESH 0x435903
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#define CYGETDEFTHRESH 0x435904
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#define CYSETDEFTHRESH 0x435905
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#define CYGETTIMEOUT 0x435906
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#define CYSETTIMEOUT 0x435907
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#define CYGETDEFTIMEOUT 0x435908
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#define CYSETDEFTIMEOUT 0x435909
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#define CyMaxChipsPerCard 1
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/**** cd2401 registers ****/
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#define CyGFRCR (0x81)
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#define CyCCR (0x13)
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#define CyCLR_CHAN (0x40)
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#define CyINIT_CHAN (0x20)
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#define CyCHIP_RESET (0x10)
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#define CyENB_XMTR (0x08)
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#define CyDIS_XMTR (0x04)
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#define CyENB_RCVR (0x02)
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#define CyDIS_RCVR (0x01)
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#define CyCAR (0xee)
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#define CyIER (0x11)
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#define CyMdmCh (0x80)
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#define CyRxExc (0x20)
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#define CyRxData (0x08)
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#define CyTxMpty (0x02)
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#define CyTxRdy (0x01)
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#define CyLICR (0x26)
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#define CyRISR (0x89)
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#define CyTIMEOUT (0x80)
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#define CySPECHAR (0x70)
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#define CyOVERRUN (0x08)
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#define CyPARITY (0x04)
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#define CyFRAME (0x02)
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#define CyBREAK (0x01)
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#define CyREOIR (0x84)
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#define CyTEOIR (0x85)
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#define CyMEOIR (0x86)
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#define CyNOTRANS (0x08)
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#define CyRFOC (0x30)
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#define CyRDR (0xf8)
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#define CyTDR (0xf8)
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#define CyMISR (0x8b)
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#define CyRISR (0x89)
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#define CyTISR (0x8a)
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#define CyMSVR1 (0xde)
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#define CyMSVR2 (0xdf)
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#define CyDSR (0x80)
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#define CyDCD (0x40)
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#define CyCTS (0x20)
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#define CyDTR (0x02)
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#define CyRTS (0x01)
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#define CyRTPRL (0x25)
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#define CyRTPRH (0x24)
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#define CyCOR1 (0x10)
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#define CyPARITY_NONE (0x00)
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#define CyPARITY_E (0x40)
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#define CyPARITY_O (0xC0)
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#define Cy_5_BITS (0x04)
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#define Cy_6_BITS (0x05)
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#define Cy_7_BITS (0x06)
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#define Cy_8_BITS (0x07)
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#define CyCOR2 (0x17)
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#define CyETC (0x20)
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#define CyCtsAE (0x02)
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#define CyCOR3 (0x16)
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#define Cy_1_STOP (0x02)
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#define Cy_2_STOP (0x04)
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#define CyCOR4 (0x15)
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#define CyREC_FIFO (0x0F) /* Receive FIFO threshold */
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#define CyCOR5 (0x14)
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#define CyCOR6 (0x18)
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#define CyCOR7 (0x07)
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#define CyRBPR (0xcb)
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#define CyRCOR (0xc8)
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#define CyTBPR (0xc3)
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#define CyTCOR (0xc0)
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#define CySCHR1 (0x1f)
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#define CySCHR2 (0x1e)
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#define CyTPR (0xda)
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#define CyPILR1 (0xe3)
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#define CyPILR2 (0xe0)
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#define CyPILR3 (0xe1)
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#define CyCMR (0x1b)
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#define CyASYNC (0x02)
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#define CyLICR (0x26)
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#define CyLIVR (0x09)
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#define CySCRL (0x23)
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#define CySCRH (0x22)
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#define CyTFTC (0x80)
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/* max number of chars in the FIFO */
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#define CyMAX_CHAR_FIFO 12
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/***************************************************************************/
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