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Diffstat (limited to 'drivers/char/cd1865.h')
-rw-r--r-- | drivers/char/cd1865.h | 263 |
1 files changed, 263 insertions, 0 deletions
diff --git a/drivers/char/cd1865.h b/drivers/char/cd1865.h new file mode 100644 index 000000000000..9940966e7a1d --- /dev/null +++ b/drivers/char/cd1865.h | |||
@@ -0,0 +1,263 @@ | |||
1 | /* | ||
2 | * linux/drivers/char/cd1865.h -- Definitions relating to the CD1865 | ||
3 | * for the Specialix IO8+ multiport serial driver. | ||
4 | * | ||
5 | * Copyright (C) 1997 Roger Wolff (R.E.Wolff@BitWizard.nl) | ||
6 | * Copyright (C) 1994-1996 Dmitry Gorodchanin (pgmdsg@ibi.com) | ||
7 | * | ||
8 | * Specialix pays for the development and support of this driver. | ||
9 | * Please DO contact io8-linux@specialix.co.uk if you require | ||
10 | * support. | ||
11 | * | ||
12 | * This driver was developped in the BitWizard linux device | ||
13 | * driver service. If you require a linux device driver for your | ||
14 | * product, please contact devices@BitWizard.nl for a quote. | ||
15 | * | ||
16 | */ | ||
17 | |||
18 | /* | ||
19 | * Definitions for Driving CD180/CD1864/CD1865 based eightport serial cards. | ||
20 | */ | ||
21 | |||
22 | |||
23 | /* Values of choice for Interrupt ACKs */ | ||
24 | /* These values are "obligatory" if you use the register based | ||
25 | * interrupt acknowledgements. See page 99-101 of V2.0 of the CD1865 | ||
26 | * databook */ | ||
27 | #define SX_ACK_MINT 0x75 /* goes to PILR1 */ | ||
28 | #define SX_ACK_TINT 0x76 /* goes to PILR2 */ | ||
29 | #define SX_ACK_RINT 0x77 /* goes to PILR3 */ | ||
30 | |||
31 | /* Chip ID (is used when chips ar daisy chained.) */ | ||
32 | #define SX_ID 0x10 | ||
33 | |||
34 | /* Definitions for Cirrus Logic CL-CD186x 8-port async mux chip */ | ||
35 | |||
36 | #define CD186x_NCH 8 /* Total number of channels */ | ||
37 | #define CD186x_TPC 16 /* Ticks per character */ | ||
38 | #define CD186x_NFIFO 8 /* TX FIFO size */ | ||
39 | |||
40 | |||
41 | /* Global registers */ | ||
42 | |||
43 | #define CD186x_GIVR 0x40 /* Global Interrupt Vector Register */ | ||
44 | #define CD186x_GICR 0x41 /* Global Interrupting Channel Register */ | ||
45 | #define CD186x_PILR1 0x61 /* Priority Interrupt Level Register 1 */ | ||
46 | #define CD186x_PILR2 0x62 /* Priority Interrupt Level Register 2 */ | ||
47 | #define CD186x_PILR3 0x63 /* Priority Interrupt Level Register 3 */ | ||
48 | #define CD186x_CAR 0x64 /* Channel Access Register */ | ||
49 | #define CD186x_SRSR 0x65 /* Channel Access Register */ | ||
50 | #define CD186x_GFRCR 0x6b /* Global Firmware Revision Code Register */ | ||
51 | #define CD186x_PPRH 0x70 /* Prescaler Period Register High */ | ||
52 | #define CD186x_PPRL 0x71 /* Prescaler Period Register Low */ | ||
53 | #define CD186x_RDR 0x78 /* Receiver Data Register */ | ||
54 | #define CD186x_RCSR 0x7a /* Receiver Character Status Register */ | ||
55 | #define CD186x_TDR 0x7b /* Transmit Data Register */ | ||
56 | #define CD186x_EOIR 0x7f /* End of Interrupt Register */ | ||
57 | #define CD186x_MRAR 0x75 /* Modem Request Acknowledge register */ | ||
58 | #define CD186x_TRAR 0x76 /* Transmit Request Acknowledge register */ | ||
59 | #define CD186x_RRAR 0x77 /* Receive Request Acknowledge register */ | ||
60 | #define CD186x_SRCR 0x66 /* Service Request Configuration register */ | ||
61 | |||
62 | /* Channel Registers */ | ||
63 | |||
64 | #define CD186x_CCR 0x01 /* Channel Command Register */ | ||
65 | #define CD186x_IER 0x02 /* Interrupt Enable Register */ | ||
66 | #define CD186x_COR1 0x03 /* Channel Option Register 1 */ | ||
67 | #define CD186x_COR2 0x04 /* Channel Option Register 2 */ | ||
68 | #define CD186x_COR3 0x05 /* Channel Option Register 3 */ | ||
69 | #define CD186x_CCSR 0x06 /* Channel Control Status Register */ | ||
70 | #define CD186x_RDCR 0x07 /* Receive Data Count Register */ | ||
71 | #define CD186x_SCHR1 0x09 /* Special Character Register 1 */ | ||
72 | #define CD186x_SCHR2 0x0a /* Special Character Register 2 */ | ||
73 | #define CD186x_SCHR3 0x0b /* Special Character Register 3 */ | ||
74 | #define CD186x_SCHR4 0x0c /* Special Character Register 4 */ | ||
75 | #define CD186x_MCOR1 0x10 /* Modem Change Option 1 Register */ | ||
76 | #define CD186x_MCOR2 0x11 /* Modem Change Option 2 Register */ | ||
77 | #define CD186x_MCR 0x12 /* Modem Change Register */ | ||
78 | #define CD186x_RTPR 0x18 /* Receive Timeout Period Register */ | ||
79 | #define CD186x_MSVR 0x28 /* Modem Signal Value Register */ | ||
80 | #define CD186x_MSVRTS 0x29 /* Modem Signal Value Register */ | ||
81 | #define CD186x_MSVDTR 0x2a /* Modem Signal Value Register */ | ||
82 | #define CD186x_RBPRH 0x31 /* Receive Baud Rate Period Register High */ | ||
83 | #define CD186x_RBPRL 0x32 /* Receive Baud Rate Period Register Low */ | ||
84 | #define CD186x_TBPRH 0x39 /* Transmit Baud Rate Period Register High */ | ||
85 | #define CD186x_TBPRL 0x3a /* Transmit Baud Rate Period Register Low */ | ||
86 | |||
87 | |||
88 | /* Global Interrupt Vector Register (R/W) */ | ||
89 | |||
90 | #define GIVR_ITMASK 0x07 /* Interrupt type mask */ | ||
91 | #define GIVR_IT_MODEM 0x01 /* Modem Signal Change Interrupt */ | ||
92 | #define GIVR_IT_TX 0x02 /* Transmit Data Interrupt */ | ||
93 | #define GIVR_IT_RCV 0x03 /* Receive Good Data Interrupt */ | ||
94 | #define GIVR_IT_REXC 0x07 /* Receive Exception Interrupt */ | ||
95 | |||
96 | |||
97 | /* Global Interrupt Channel Register (R/W) */ | ||
98 | |||
99 | #define GICR_CHAN 0x1c /* Channel Number Mask */ | ||
100 | #define GICR_CHAN_OFF 2 /* Channel Number shift */ | ||
101 | |||
102 | |||
103 | /* Channel Address Register (R/W) */ | ||
104 | |||
105 | #define CAR_CHAN 0x07 /* Channel Number Mask */ | ||
106 | #define CAR_A7 0x08 /* A7 Address Extension (unused) */ | ||
107 | |||
108 | |||
109 | /* Receive Character Status Register (R/O) */ | ||
110 | |||
111 | #define RCSR_TOUT 0x80 /* Rx Timeout */ | ||
112 | #define RCSR_SCDET 0x70 /* Special Character Detected Mask */ | ||
113 | #define RCSR_NO_SC 0x00 /* No Special Characters Detected */ | ||
114 | #define RCSR_SC_1 0x10 /* Special Char 1 (or 1 & 3) Detected */ | ||
115 | #define RCSR_SC_2 0x20 /* Special Char 2 (or 2 & 4) Detected */ | ||
116 | #define RCSR_SC_3 0x30 /* Special Char 3 Detected */ | ||
117 | #define RCSR_SC_4 0x40 /* Special Char 4 Detected */ | ||
118 | #define RCSR_BREAK 0x08 /* Break has been detected */ | ||
119 | #define RCSR_PE 0x04 /* Parity Error */ | ||
120 | #define RCSR_FE 0x02 /* Frame Error */ | ||
121 | #define RCSR_OE 0x01 /* Overrun Error */ | ||
122 | |||
123 | |||
124 | /* Channel Command Register (R/W) (commands in groups can be OR-ed) */ | ||
125 | |||
126 | #define CCR_HARDRESET 0x81 /* Reset the chip */ | ||
127 | |||
128 | #define CCR_SOFTRESET 0x80 /* Soft Channel Reset */ | ||
129 | |||
130 | #define CCR_CORCHG1 0x42 /* Channel Option Register 1 Changed */ | ||
131 | #define CCR_CORCHG2 0x44 /* Channel Option Register 2 Changed */ | ||
132 | #define CCR_CORCHG3 0x48 /* Channel Option Register 3 Changed */ | ||
133 | |||
134 | #define CCR_SSCH1 0x21 /* Send Special Character 1 */ | ||
135 | |||
136 | #define CCR_SSCH2 0x22 /* Send Special Character 2 */ | ||
137 | |||
138 | #define CCR_SSCH3 0x23 /* Send Special Character 3 */ | ||
139 | |||
140 | #define CCR_SSCH4 0x24 /* Send Special Character 4 */ | ||
141 | |||
142 | #define CCR_TXEN 0x18 /* Enable Transmitter */ | ||
143 | #define CCR_RXEN 0x12 /* Enable Receiver */ | ||
144 | |||
145 | #define CCR_TXDIS 0x14 /* Disable Transmitter */ | ||
146 | #define CCR_RXDIS 0x11 /* Disable Receiver */ | ||
147 | |||
148 | |||
149 | /* Interrupt Enable Register (R/W) */ | ||
150 | |||
151 | #define IER_DSR 0x80 /* Enable interrupt on DSR change */ | ||
152 | #define IER_CD 0x40 /* Enable interrupt on CD change */ | ||
153 | #define IER_CTS 0x20 /* Enable interrupt on CTS change */ | ||
154 | #define IER_RXD 0x10 /* Enable interrupt on Receive Data */ | ||
155 | #define IER_RXSC 0x08 /* Enable interrupt on Receive Spec. Char */ | ||
156 | #define IER_TXRDY 0x04 /* Enable interrupt on TX FIFO empty */ | ||
157 | #define IER_TXEMPTY 0x02 /* Enable interrupt on TX completely empty */ | ||
158 | #define IER_RET 0x01 /* Enable interrupt on RX Exc. Timeout */ | ||
159 | |||
160 | |||
161 | /* Channel Option Register 1 (R/W) */ | ||
162 | |||
163 | #define COR1_ODDP 0x80 /* Odd Parity */ | ||
164 | #define COR1_PARMODE 0x60 /* Parity Mode mask */ | ||
165 | #define COR1_NOPAR 0x00 /* No Parity */ | ||
166 | #define COR1_FORCEPAR 0x20 /* Force Parity */ | ||
167 | #define COR1_NORMPAR 0x40 /* Normal Parity */ | ||
168 | #define COR1_IGNORE 0x10 /* Ignore Parity on RX */ | ||
169 | #define COR1_STOPBITS 0x0c /* Number of Stop Bits */ | ||
170 | #define COR1_1SB 0x00 /* 1 Stop Bit */ | ||
171 | #define COR1_15SB 0x04 /* 1.5 Stop Bits */ | ||
172 | #define COR1_2SB 0x08 /* 2 Stop Bits */ | ||
173 | #define COR1_CHARLEN 0x03 /* Character Length */ | ||
174 | #define COR1_5BITS 0x00 /* 5 bits */ | ||
175 | #define COR1_6BITS 0x01 /* 6 bits */ | ||
176 | #define COR1_7BITS 0x02 /* 7 bits */ | ||
177 | #define COR1_8BITS 0x03 /* 8 bits */ | ||
178 | |||
179 | |||
180 | /* Channel Option Register 2 (R/W) */ | ||
181 | |||
182 | #define COR2_IXM 0x80 /* Implied XON mode */ | ||
183 | #define COR2_TXIBE 0x40 /* Enable In-Band (XON/XOFF) Flow Control */ | ||
184 | #define COR2_ETC 0x20 /* Embedded Tx Commands Enable */ | ||
185 | #define COR2_LLM 0x10 /* Local Loopback Mode */ | ||
186 | #define COR2_RLM 0x08 /* Remote Loopback Mode */ | ||
187 | #define COR2_RTSAO 0x04 /* RTS Automatic Output Enable */ | ||
188 | #define COR2_CTSAE 0x02 /* CTS Automatic Enable */ | ||
189 | #define COR2_DSRAE 0x01 /* DSR Automatic Enable */ | ||
190 | |||
191 | |||
192 | /* Channel Option Register 3 (R/W) */ | ||
193 | |||
194 | #define COR3_XONCH 0x80 /* XON is a pair of characters (1 & 3) */ | ||
195 | #define COR3_XOFFCH 0x40 /* XOFF is a pair of characters (2 & 4) */ | ||
196 | #define COR3_FCT 0x20 /* Flow-Control Transparency Mode */ | ||
197 | #define COR3_SCDE 0x10 /* Special Character Detection Enable */ | ||
198 | #define COR3_RXTH 0x0f /* RX FIFO Threshold value (1-8) */ | ||
199 | |||
200 | |||
201 | /* Channel Control Status Register (R/O) */ | ||
202 | |||
203 | #define CCSR_RXEN 0x80 /* Receiver Enabled */ | ||
204 | #define CCSR_RXFLOFF 0x40 /* Receive Flow Off (XOFF was sent) */ | ||
205 | #define CCSR_RXFLON 0x20 /* Receive Flow On (XON was sent) */ | ||
206 | #define CCSR_TXEN 0x08 /* Transmitter Enabled */ | ||
207 | #define CCSR_TXFLOFF 0x04 /* Transmit Flow Off (got XOFF) */ | ||
208 | #define CCSR_TXFLON 0x02 /* Transmit Flow On (got XON) */ | ||
209 | |||
210 | |||
211 | /* Modem Change Option Register 1 (R/W) */ | ||
212 | |||
213 | #define MCOR1_DSRZD 0x80 /* Detect 0->1 transition of DSR */ | ||
214 | #define MCOR1_CDZD 0x40 /* Detect 0->1 transition of CD */ | ||
215 | #define MCOR1_CTSZD 0x20 /* Detect 0->1 transition of CTS */ | ||
216 | #define MCOR1_DTRTH 0x0f /* Auto DTR flow control Threshold (1-8) */ | ||
217 | #define MCOR1_NODTRFC 0x0 /* Automatic DTR flow control disabled */ | ||
218 | |||
219 | |||
220 | /* Modem Change Option Register 2 (R/W) */ | ||
221 | |||
222 | #define MCOR2_DSROD 0x80 /* Detect 1->0 transition of DSR */ | ||
223 | #define MCOR2_CDOD 0x40 /* Detect 1->0 transition of CD */ | ||
224 | #define MCOR2_CTSOD 0x20 /* Detect 1->0 transition of CTS */ | ||
225 | |||
226 | /* Modem Change Register (R/W) */ | ||
227 | |||
228 | #define MCR_DSRCHG 0x80 /* DSR Changed */ | ||
229 | #define MCR_CDCHG 0x40 /* CD Changed */ | ||
230 | #define MCR_CTSCHG 0x20 /* CTS Changed */ | ||
231 | |||
232 | |||
233 | /* Modem Signal Value Register (R/W) */ | ||
234 | |||
235 | #define MSVR_DSR 0x80 /* Current state of DSR input */ | ||
236 | #define MSVR_CD 0x40 /* Current state of CD input */ | ||
237 | #define MSVR_CTS 0x20 /* Current state of CTS input */ | ||
238 | #define MSVR_DTR 0x02 /* Current state of DTR output */ | ||
239 | #define MSVR_RTS 0x01 /* Current state of RTS output */ | ||
240 | |||
241 | |||
242 | /* Escape characters */ | ||
243 | |||
244 | #define CD186x_C_ESC 0x00 /* Escape character */ | ||
245 | #define CD186x_C_SBRK 0x81 /* Start sending BREAK */ | ||
246 | #define CD186x_C_DELAY 0x82 /* Delay output */ | ||
247 | #define CD186x_C_EBRK 0x83 /* Stop sending BREAK */ | ||
248 | |||
249 | #define SRSR_RREQint 0x10 /* This chip wants "rec" serviced */ | ||
250 | #define SRSR_TREQint 0x04 /* This chip wants "transmit" serviced */ | ||
251 | #define SRSR_MREQint 0x01 /* This chip wants "mdm change" serviced */ | ||
252 | |||
253 | |||
254 | |||
255 | #define SRCR_PKGTYPE 0x80 | ||
256 | #define SRCR_REGACKEN 0x40 | ||
257 | #define SRCR_DAISYEN 0x20 | ||
258 | #define SRCR_GLOBPRI 0x10 | ||
259 | #define SRCR_UNFAIR 0x08 | ||
260 | #define SRCR_AUTOPRI 0x02 | ||
261 | #define SRCR_PRISEL 0x01 | ||
262 | |||
263 | |||