| 1 | /* |
|---|
| 2 | * serial167.h |
|---|
| 3 | * |
|---|
| 4 | * Richard Hirst [richard@sleepie.demon.co.uk] |
|---|
| 5 | * |
|---|
| 6 | * Based on cyclades.h |
|---|
| 7 | */ |
|---|
| 8 | |
|---|
| 9 | struct cyclades_monitor { |
|---|
| 10 | unsigned long int_count; |
|---|
| 11 | unsigned long char_count; |
|---|
| 12 | unsigned long char_max; |
|---|
| 13 | unsigned long char_last; |
|---|
| 14 | }; |
|---|
| 15 | |
|---|
| 16 | /* |
|---|
| 17 | * This is our internal structure for each serial port's state. |
|---|
| 18 | * |
|---|
| 19 | * Many fields are paralleled by the structure used by the serial_struct |
|---|
| 20 | * structure. |
|---|
| 21 | * |
|---|
| 22 | * For definitions of the flags field, see tty.h |
|---|
| 23 | */ |
|---|
| 24 | |
|---|
| 25 | struct cyclades_port { |
|---|
| 26 | int magic; |
|---|
| 27 | int type; |
|---|
| 28 | int card; |
|---|
| 29 | int line; |
|---|
| 30 | int flags; /* defined in tty.h */ |
|---|
| 31 | struct tty_struct *tty; |
|---|
| 32 | int read_status_mask; |
|---|
| 33 | int timeout; |
|---|
| 34 | int xmit_fifo_size; |
|---|
| 35 | int cor1,cor2,cor3,cor4,cor5,cor6,cor7; |
|---|
| 36 | int tbpr,tco,rbpr,rco; |
|---|
| 37 | int ignore_status_mask; |
|---|
| 38 | int close_delay; |
|---|
| 39 | int IER; /* Interrupt Enable Register */ |
|---|
| 40 | unsigned long event; |
|---|
| 41 | unsigned long last_active; |
|---|
| 42 | int count; /* # of fd on device */ |
|---|
| 43 | int x_char; /* to be pushed out ASAP */ |
|---|
| 44 | int x_break; |
|---|
| 45 | int blocked_open; /* # of blocked opens */ |
|---|
| 46 | unsigned char *xmit_buf; |
|---|
| 47 | int xmit_head; |
|---|
| 48 | int xmit_tail; |
|---|
| 49 | int xmit_cnt; |
|---|
| 50 | int default_threshold; |
|---|
| 51 | int default_timeout; |
|---|
| 52 | struct work_struct tqueue; |
|---|
| 53 | wait_queue_head_t open_wait; |
|---|
| 54 | wait_queue_head_t close_wait; |
|---|
| 55 | struct cyclades_monitor mon; |
|---|
| 56 | }; |
|---|
| 57 | |
|---|
| 58 | #define CYCLADES_MAGIC 0x4359 |
|---|
| 59 | |
|---|
| 60 | #define CYGETMON 0x435901 |
|---|
| 61 | #define CYGETTHRESH 0x435902 |
|---|
| 62 | #define CYSETTHRESH 0x435903 |
|---|
| 63 | #define CYGETDEFTHRESH 0x435904 |
|---|
| 64 | #define CYSETDEFTHRESH 0x435905 |
|---|
| 65 | #define CYGETTIMEOUT 0x435906 |
|---|
| 66 | #define CYSETTIMEOUT 0x435907 |
|---|
| 67 | #define CYGETDEFTIMEOUT 0x435908 |
|---|
| 68 | #define CYSETDEFTIMEOUT 0x435909 |
|---|
| 69 | |
|---|
| 70 | /* |
|---|
| 71 | * Events are used to schedule things to happen at timer-interrupt |
|---|
| 72 | * time, instead of at cy interrupt time. |
|---|
| 73 | */ |
|---|
| 74 | #define Cy_EVENT_READ_PROCESS 0 |
|---|
| 75 | #define Cy_EVENT_WRITE_WAKEUP 1 |
|---|
| 76 | #define Cy_EVENT_HANGUP 2 |
|---|
| 77 | #define Cy_EVENT_BREAK 3 |
|---|
| 78 | #define Cy_EVENT_OPEN_WAKEUP 4 |
|---|
| 79 | |
|---|
| 80 | |
|---|
| 81 | |
|---|
| 82 | #define CyMaxChipsPerCard 1 |
|---|
| 83 | |
|---|
| 84 | /**** cd2401 registers ****/ |
|---|
| 85 | |
|---|
| 86 | #define CyGFRCR (0x81) |
|---|
| 87 | #define CyCCR (0x13) |
|---|
| 88 | #define CyCLR_CHAN (0x40) |
|---|
| 89 | #define CyINIT_CHAN (0x20) |
|---|
| 90 | #define CyCHIP_RESET (0x10) |
|---|
| 91 | #define CyENB_XMTR (0x08) |
|---|
| 92 | #define CyDIS_XMTR (0x04) |
|---|
| 93 | #define CyENB_RCVR (0x02) |
|---|
| 94 | #define CyDIS_RCVR (0x01) |
|---|
| 95 | #define CyCAR (0xee) |
|---|
| 96 | #define CyIER (0x11) |
|---|
| 97 | #define CyMdmCh (0x80) |
|---|
| 98 | #define CyRxExc (0x20) |
|---|
| 99 | #define CyRxData (0x08) |
|---|
| 100 | #define CyTxMpty (0x02) |
|---|
| 101 | #define CyTxRdy (0x01) |
|---|
| 102 | #define CyLICR (0x26) |
|---|
| 103 | #define CyRISR (0x89) |
|---|
| 104 | #define CyTIMEOUT (0x80) |
|---|
| 105 | #define CySPECHAR (0x70) |
|---|
| 106 | #define CyOVERRUN (0x08) |
|---|
| 107 | #define CyPARITY (0x04) |
|---|
| 108 | #define CyFRAME (0x02) |
|---|
| 109 | #define CyBREAK (0x01) |
|---|
| 110 | #define CyREOIR (0x84) |
|---|
| 111 | #define CyTEOIR (0x85) |
|---|
| 112 | #define CyMEOIR (0x86) |
|---|
| 113 | #define CyNOTRANS (0x08) |
|---|
| 114 | #define CyRFOC (0x30) |
|---|
| 115 | #define CyRDR (0xf8) |
|---|
| 116 | #define CyTDR (0xf8) |
|---|
| 117 | #define CyMISR (0x8b) |
|---|
| 118 | #define CyRISR (0x89) |
|---|
| 119 | #define CyTISR (0x8a) |
|---|
| 120 | #define CyMSVR1 (0xde) |
|---|
| 121 | #define CyMSVR2 (0xdf) |
|---|
| 122 | #define CyDSR (0x80) |
|---|
| 123 | #define CyDCD (0x40) |
|---|
| 124 | #define CyCTS (0x20) |
|---|
| 125 | #define CyDTR (0x02) |
|---|
| 126 | #define CyRTS (0x01) |
|---|
| 127 | #define CyRTPRL (0x25) |
|---|
| 128 | #define CyRTPRH (0x24) |
|---|
| 129 | #define CyCOR1 (0x10) |
|---|
| 130 | #define CyPARITY_NONE (0x00) |
|---|
| 131 | #define CyPARITY_E (0x40) |
|---|
| 132 | #define CyPARITY_O (0xC0) |
|---|
| 133 | #define Cy_5_BITS (0x04) |
|---|
| 134 | #define Cy_6_BITS (0x05) |
|---|
| 135 | #define Cy_7_BITS (0x06) |
|---|
| 136 | #define Cy_8_BITS (0x07) |
|---|
| 137 | #define CyCOR2 (0x17) |
|---|
| 138 | #define CyETC (0x20) |
|---|
| 139 | #define CyCtsAE (0x02) |
|---|
| 140 | #define CyCOR3 (0x16) |
|---|
| 141 | #define Cy_1_STOP (0x02) |
|---|
| 142 | #define Cy_2_STOP (0x04) |
|---|
| 143 | #define CyCOR4 (0x15) |
|---|
| 144 | #define CyREC_FIFO (0x0F) /* Receive FIFO threshold */ |
|---|
| 145 | #define CyCOR5 (0x14) |
|---|
| 146 | #define CyCOR6 (0x18) |
|---|
| 147 | #define CyCOR7 (0x07) |
|---|
| 148 | #define CyRBPR (0xcb) |
|---|
| 149 | #define CyRCOR (0xc8) |
|---|
| 150 | #define CyTBPR (0xc3) |
|---|
| 151 | #define CyTCOR (0xc0) |
|---|
| 152 | #define CySCHR1 (0x1f) |
|---|
| 153 | #define CySCHR2 (0x1e) |
|---|
| 154 | #define CyTPR (0xda) |
|---|
| 155 | #define CyPILR1 (0xe3) |
|---|
| 156 | #define CyPILR2 (0xe0) |
|---|
| 157 | #define CyPILR3 (0xe1) |
|---|
| 158 | #define CyCMR (0x1b) |
|---|
| 159 | #define CyASYNC (0x02) |
|---|
| 160 | #define CyLICR (0x26) |
|---|
| 161 | #define CyLIVR (0x09) |
|---|
| 162 | #define CySCRL (0x23) |
|---|
| 163 | #define CySCRH (0x22) |
|---|
| 164 | #define CyTFTC (0x80) |
|---|
| 165 | |
|---|
| 166 | |
|---|
| 167 | /* max number of chars in the FIFO */ |
|---|
| 168 | |
|---|
| 169 | #define CyMAX_CHAR_FIFO 12 |
|---|
| 170 | |
|---|
| 171 | /***************************************************************************/ |
|---|
