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mm: clean up mm_counter
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1da177e4
LT
1/*
2 * serial167.h
3 *
4 * Richard Hirst [richard@sleepie.demon.co.uk]
5 *
6 * Based on cyclades.h
7 */
8
9struct 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
25struct 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 */
1da177e4
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40 unsigned long last_active;
41 int count; /* # of fd on device */
42 int x_char; /* to be pushed out ASAP */
43 int x_break;
44 int blocked_open; /* # of blocked opens */
45 unsigned char *xmit_buf;
46 int xmit_head;
47 int xmit_tail;
48 int xmit_cnt;
49 int default_threshold;
50 int default_timeout;
1da177e4
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51 wait_queue_head_t open_wait;
52 wait_queue_head_t close_wait;
53 struct cyclades_monitor mon;
54};
55
56#define CYCLADES_MAGIC 0x4359
57
58#define CYGETMON 0x435901
59#define CYGETTHRESH 0x435902
60#define CYSETTHRESH 0x435903
61#define CYGETDEFTHRESH 0x435904
62#define CYSETDEFTHRESH 0x435905
63#define CYGETTIMEOUT 0x435906
64#define CYSETTIMEOUT 0x435907
65#define CYGETDEFTIMEOUT 0x435908
66#define CYSETDEFTIMEOUT 0x435909
67
1da177e4
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68#define CyMaxChipsPerCard 1
69
70/**** cd2401 registers ****/
71
72#define CyGFRCR (0x81)
73#define CyCCR (0x13)
74#define CyCLR_CHAN (0x40)
75#define CyINIT_CHAN (0x20)
76#define CyCHIP_RESET (0x10)
77#define CyENB_XMTR (0x08)
78#define CyDIS_XMTR (0x04)
79#define CyENB_RCVR (0x02)
80#define CyDIS_RCVR (0x01)
81#define CyCAR (0xee)
82#define CyIER (0x11)
83#define CyMdmCh (0x80)
84#define CyRxExc (0x20)
85#define CyRxData (0x08)
86#define CyTxMpty (0x02)
87#define CyTxRdy (0x01)
88#define CyLICR (0x26)
89#define CyRISR (0x89)
90#define CyTIMEOUT (0x80)
91#define CySPECHAR (0x70)
92#define CyOVERRUN (0x08)
93#define CyPARITY (0x04)
94#define CyFRAME (0x02)
95#define CyBREAK (0x01)
96#define CyREOIR (0x84)
97#define CyTEOIR (0x85)
98#define CyMEOIR (0x86)
99#define CyNOTRANS (0x08)
100#define CyRFOC (0x30)
101#define CyRDR (0xf8)
102#define CyTDR (0xf8)
103#define CyMISR (0x8b)
104#define CyRISR (0x89)
105#define CyTISR (0x8a)
106#define CyMSVR1 (0xde)
107#define CyMSVR2 (0xdf)
108#define CyDSR (0x80)
109#define CyDCD (0x40)
110#define CyCTS (0x20)
111#define CyDTR (0x02)
112#define CyRTS (0x01)
113#define CyRTPRL (0x25)
114#define CyRTPRH (0x24)
115#define CyCOR1 (0x10)
116#define CyPARITY_NONE (0x00)
117#define CyPARITY_E (0x40)
118#define CyPARITY_O (0xC0)
119#define Cy_5_BITS (0x04)
120#define Cy_6_BITS (0x05)
121#define Cy_7_BITS (0x06)
122#define Cy_8_BITS (0x07)
123#define CyCOR2 (0x17)
124#define CyETC (0x20)
125#define CyCtsAE (0x02)
126#define CyCOR3 (0x16)
127#define Cy_1_STOP (0x02)
128#define Cy_2_STOP (0x04)
129#define CyCOR4 (0x15)
130#define CyREC_FIFO (0x0F) /* Receive FIFO threshold */
131#define CyCOR5 (0x14)
132#define CyCOR6 (0x18)
133#define CyCOR7 (0x07)
134#define CyRBPR (0xcb)
135#define CyRCOR (0xc8)
136#define CyTBPR (0xc3)
137#define CyTCOR (0xc0)
138#define CySCHR1 (0x1f)
139#define CySCHR2 (0x1e)
140#define CyTPR (0xda)
141#define CyPILR1 (0xe3)
142#define CyPILR2 (0xe0)
143#define CyPILR3 (0xe1)
144#define CyCMR (0x1b)
145#define CyASYNC (0x02)
146#define CyLICR (0x26)
147#define CyLIVR (0x09)
148#define CySCRL (0x23)
149#define CySCRH (0x22)
150#define CyTFTC (0x80)
151
152
153/* max number of chars in the FIFO */
154
155#define CyMAX_CHAR_FIFO 12
156
157/***************************************************************************/