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-rw-r--r--drivers/sbus/char/cd180.h240
1 files changed, 0 insertions, 240 deletions
diff --git a/drivers/sbus/char/cd180.h b/drivers/sbus/char/cd180.h
deleted file mode 100644
index 445b86cc65e7..000000000000
--- a/drivers/sbus/char/cd180.h
+++ /dev/null
@@ -1,240 +0,0 @@
1
2/* Definitions for Cirrus Logic CL-CD180 8-port async mux chip */
3#define CD180_NCH 8 /* Total number of channels */
4#define CD180_TPC 16 /* Ticks per character */
5#define CD180_NFIFO 8 /* TX FIFO size */
6
7/* Global registers */
8#define CD180_GFRCR 0x6b /* Global Firmware Revision Code Register */
9#define CD180_SRCR 0x66 /* Service Request Configuration Register */
10#define CD180_PPRH 0x70 /* Prescaler Period Register High */
11#define CD180_PPRL 0x71 /* Prescaler Period Register Low */
12#define CD180_MSMR 0x61 /* Modem Service Match Register */
13#define CD180_TSMR 0x62 /* Transmit Service Match Register */
14#define CD180_RSMR 0x63 /* Receive Service Match Register */
15#define CD180_GSVR 0x40 /* Global Service Vector Register */
16#define CD180_SRSR 0x65 /* Service Request Status Register */
17#define CD180_GSCR 0x41 /* Global Service Channel Register */
18#define CD180_CAR 0x64 /* Channel Access Register */
19
20/* Indexed registers */
21#define CD180_RDCR 0x07 /* Receive Data Count Register */
22#define CD180_RDR 0x78 /* Receiver Data Register */
23#define CD180_RCSR 0x7a /* Receiver Character Status Register */
24#define CD180_TDR 0x7b /* Transmit Data Register */
25#define CD180_EOSRR 0x7f /* End of Service Request Register */
26
27/* Channel Registers */
28#define CD180_SRER 0x02 /* Service Request Enable Register */
29#define CD180_CCR 0x01 /* Channel Command Register */
30#define CD180_COR1 0x03 /* Channel Option Register 1 */
31#define CD180_COR2 0x04 /* Channel Option Register 2 */
32#define CD180_COR3 0x05 /* Channel Option Register 3 */
33#define CD180_CCSR 0x06 /* Channel Control Status Register */
34#define CD180_RTPR 0x18 /* Receive Timeout Period Register */
35#define CD180_RBPRH 0x31 /* Receive Bit Rate Period Register High */
36#define CD180_RBPRL 0x32 /* Receive Bit Rate Period Register Low */
37#define CD180_TBPRH 0x39 /* Transmit Bit Rate Period Register High */
38#define CD180_TBPRL 0x3a /* Transmit Bit Rate Period Register Low */
39#define CD180_SCHR1 0x09 /* Special Character Register 1 */
40#define CD180_SCHR2 0x0a /* Special Character Register 2 */
41#define CD180_SCHR3 0x0b /* Special Character Register 3 */
42#define CD180_SCHR4 0x0c /* Special Character Register 4 */
43#define CD180_MCR 0x12 /* Modem Change Register */
44#define CD180_MCOR1 0x10 /* Modem Change Option 1 Register */
45#define CD180_MCOR2 0x11 /* Modem Change Option 2 Register */
46#define CD180_MSVR 0x28 /* Modem Signal Value Register */
47#define CD180_MSVRTS 0x29 /* Modem Signal Value RTS */
48#define CD180_MSVDTR 0x2a /* Modem Signal Value DTR */
49
50/* Global Interrupt Vector Register (R/W) */
51
52#define GSVR_ITMASK 0x07 /* Interrupt type mask */
53#define GSVR_IT_MDM 0x01 /* Modem Signal Change Interrupt */
54#define GSVR_IT_TX 0x02 /* Transmit Data Interrupt */
55#define GSVR_IT_RGD 0x03 /* Receive Good Data Interrupt */
56#define GSVR_IT_REXC 0x07 /* Receive Exception Interrupt */
57
58
59/* Global Interrupt Channel Register (R/W) */
60
61#define GSCR_CHAN 0x1c /* Channel Number Mask */
62#define GSCR_CHAN_OFF 2 /* Channel Number Offset */
63
64
65/* Channel Address Register (R/W) */
66
67#define CAR_CHAN 0x07 /* Channel Number Mask */
68
69
70/* Receive Character Status Register (R/O) */
71
72#define RCSR_TOUT 0x80 /* Rx Timeout */
73#define RCSR_SCDET 0x70 /* Special Character Detected Mask */
74#define RCSR_NO_SC 0x00 /* No Special Characters Detected */
75#define RCSR_SC_1 0x10 /* Special Char 1 (or 1 & 3) Detected */
76#define RCSR_SC_2 0x20 /* Special Char 2 (or 2 & 4) Detected */
77#define RCSR_SC_3 0x30 /* Special Char 3 Detected */
78#define RCSR_SC_4 0x40 /* Special Char 4 Detected */
79#define RCSR_BREAK 0x08 /* Break has been detected */
80#define RCSR_PE 0x04 /* Parity Error */
81#define RCSR_FE 0x02 /* Frame Error */
82#define RCSR_OE 0x01 /* Overrun Error */
83
84
85/* Channel Command Register (R/W) (commands in groups can be OR-ed) */
86
87#define CCR_HARDRESET 0x81 /* Reset the chip */
88
89#define CCR_SOFTRESET 0x80 /* Soft Channel Reset */
90
91#define CCR_CORCHG1 0x42 /* Channel Option Register 1 Changed */
92#define CCR_CORCHG2 0x44 /* Channel Option Register 2 Changed */
93#define CCR_CORCHG3 0x48 /* Channel Option Register 3 Changed */
94
95#define CCR_SSCH1 0x21 /* Send Special Character 1 */
96
97#define CCR_SSCH2 0x22 /* Send Special Character 2 */
98
99#define CCR_SSCH3 0x23 /* Send Special Character 3 */
100
101#define CCR_SSCH4 0x24 /* Send Special Character 4 */
102
103#define CCR_TXEN 0x18 /* Enable Transmitter */
104#define CCR_RXEN 0x12 /* Enable Receiver */
105
106#define CCR_TXDIS 0x14 /* Disable Transmitter */
107#define CCR_RXDIS 0x11 /* Disable Receiver */
108
109
110/* Service Request Enable Register (R/W) */
111
112#define SRER_DSR 0x80 /* Enable interrupt on DSR change */
113#define SRER_CD 0x40 /* Enable interrupt on CD change */
114#define SRER_CTS 0x20 /* Enable interrupt on CTS change */
115#define SRER_RXD 0x10 /* Enable interrupt on Receive Data */
116#define SRER_RXSC 0x08 /* Enable interrupt on Receive Spec. Char */
117#define SRER_TXRDY 0x04 /* Enable interrupt on TX FIFO empty */
118#define SRER_TXEMPTY 0x02 /* Enable interrupt on TX completely empty */
119#define SRER_RET 0x01 /* Enable interrupt on RX Exc. Timeout */
120
121
122/* Channel Option Register 1 (R/W) */
123
124#define COR1_ODDP 0x80 /* Odd Parity */
125#define COR1_PARMODE 0x60 /* Parity Mode mask */
126#define COR1_NOPAR 0x00 /* No Parity */
127#define COR1_FORCEPAR 0x20 /* Force Parity */
128#define COR1_NORMPAR 0x40 /* Normal Parity */
129#define COR1_IGNORE 0x10 /* Ignore Parity on RX */
130#define COR1_STOPBITS 0x0c /* Number of Stop Bits */
131#define COR1_1SB 0x00 /* 1 Stop Bit */
132#define COR1_15SB 0x04 /* 1.5 Stop Bits */
133#define COR1_2SB 0x08 /* 2 Stop Bits */
134#define COR1_CHARLEN 0x03 /* Character Length */
135#define COR1_5BITS 0x00 /* 5 bits */
136#define COR1_6BITS 0x01 /* 6 bits */
137#define COR1_7BITS 0x02 /* 7 bits */
138#define COR1_8BITS 0x03 /* 8 bits */
139
140
141/* Channel Option Register 2 (R/W) */
142
143#define COR2_IXM 0x80 /* Implied XON mode */
144#define COR2_TXIBE 0x40 /* Enable In-Band (XON/XOFF) Flow Control */
145#define COR2_ETC 0x20 /* Embedded Tx Commands Enable */
146#define COR2_LLM 0x10 /* Local Loopback Mode */
147#define COR2_RLM 0x08 /* Remote Loopback Mode */
148#define COR2_RTSAO 0x04 /* RTS Automatic Output Enable */
149#define COR2_CTSAE 0x02 /* CTS Automatic Enable */
150#define COR2_DSRAE 0x01 /* DSR Automatic Enable */
151
152
153/* Channel Option Register 3 (R/W) */
154
155#define COR3_XONCH 0x80 /* XON is a pair of characters (1 & 3) */
156#define COR3_XOFFCH 0x40 /* XOFF is a pair of characters (2 & 4) */
157#define COR3_FCT 0x20 /* Flow-Control Transparency Mode */
158#define COR3_SCDE 0x10 /* Special Character Detection Enable */
159#define COR3_RXTH 0x0f /* RX FIFO Threshold value (1-8) */
160
161
162/* Channel Control Status Register (R/O) */
163
164#define CCSR_RXEN 0x80 /* Receiver Enabled */
165#define CCSR_RXFLOFF 0x40 /* Receive Flow Off (XOFF was sent) */
166#define CCSR_RXFLON 0x20 /* Receive Flow On (XON was sent) */
167#define CCSR_TXEN 0x08 /* Transmitter Enabled */
168#define CCSR_TXFLOFF 0x04 /* Transmit Flow Off (got XOFF) */
169#define CCSR_TXFLON 0x02 /* Transmit Flow On (got XON) */
170
171
172/* Modem Change Option Register 1 (R/W) */
173
174#define MCOR1_DSRZD 0x80 /* Detect 0->1 transition of DSR */
175#define MCOR1_CDZD 0x40 /* Detect 0->1 transition of CD */
176#define MCOR1_CTSZD 0x20 /* Detect 0->1 transition of CTS */
177#define MCOR1_DTRTH 0x0f /* Auto DTR flow control Threshold (1-8) */
178#define MCOR1_NODTRFC 0x0 /* Automatic DTR flow control disabled */
179
180
181/* Modem Change Option Register 2 (R/W) */
182
183#define MCOR2_DSROD 0x80 /* Detect 1->0 transition of DSR */
184#define MCOR2_CDOD 0x40 /* Detect 1->0 transition of CD */
185#define MCOR2_CTSOD 0x20 /* Detect 1->0 transition of CTS */
186
187
188/* Modem Change Register (R/W) */
189
190#define MCR_DSRCHG 0x80 /* DSR Changed */
191#define MCR_CDCHG 0x40 /* CD Changed */
192#define MCR_CTSCHG 0x20 /* CTS Changed */
193
194
195/* Modem Signal Value Register (R/W) */
196
197#define MSVR_DSR 0x80 /* Current state of DSR input */
198#define MSVR_CD 0x40 /* Current state of CD input */
199#define MSVR_CTS 0x20 /* Current state of CTS input */
200#define MSVR_DTR 0x02 /* Current state of DTR output */
201#define MSVR_RTS 0x01 /* Current state of RTS output */
202
203
204/* Service Request Status Register */
205
206#define SRSR_CMASK 0xC0 /* Current Service Context Mask */
207#define SRSR_CNONE 0x00 /* Not in a service context */
208#define SRSR_CRX 0x40 /* Rx Context */
209#define SRSR_CTX 0x80 /* Tx Context */
210#define SRSR_CMDM 0xC0 /* Modem Context */
211#define SRSR_ANYINT 0x6F /* Any interrupt flag */
212#define SRSR_RINT 0x10 /* Receive Interrupt */
213#define SRSR_TINT 0x04 /* Transmit Interrupt */
214#define SRSR_MINT 0x01 /* Modem Interrupt */
215#define SRSR_REXT 0x20 /* Receive External Interrupt */
216#define SRSR_TEXT 0x08 /* Transmit External Interrupt */
217#define SRSR_MEXT 0x02 /* Modem External Interrupt */
218
219
220/* Service Request Configuration Register */
221
222#define SRCR_PKGTYPE 0x80
223#define SRCR_REGACKEN 0x40
224#define SRCR_DAISYEN 0x20
225#define SRCR_GLOBPRI 0x10
226#define SRCR_UNFAIR 0x08
227#define SRCR_AUTOPRI 0x02
228#define SRCR_PRISEL 0x01
229
230/* Values for register-based Interrupt ACKs */
231#define CD180_ACK_MINT 0x75 /* goes to MSMR */
232#define CD180_ACK_TINT 0x76 /* goes to TSMR */
233#define CD180_ACK_RINT 0x77 /* goes to RSMR */
234
235/* Escape characters */
236
237#define CD180_C_ESC 0x00 /* Escape character */
238#define CD180_C_SBRK 0x81 /* Start sending BREAK */
239#define CD180_C_DELAY 0x82 /* Delay output */
240#define CD180_C_EBRK 0x83 /* Stop sending BREAK */
generated by cgit v1.2.2 (git 2.25.0) at 2024-11-16 11:58:55 -0500