1/* SPDX-License-Identifier: GPL-2.0 */
2#ifndef MOXA_H_FILE
3#define MOXA_H_FILE
4
5#define MOXA 0x400
6#define MOXA_GET_IQUEUE (MOXA + 1) /* get input buffered count */
7#define MOXA_GET_OQUEUE (MOXA + 2) /* get output buffered count */
8#define MOXA_GETDATACOUNT (MOXA + 23)
9#define MOXA_GET_IOQUEUE (MOXA + 27)
10#define MOXA_FLUSH_QUEUE (MOXA + 28)
11#define MOXA_GETMSTATUS (MOXA + 65)
12
13/*
14 * System Configuration
15 */
16
17#define Magic_code 0x404
18
19/*
20 * for C218 BIOS initialization
21 */
22#define C218_ConfBase 0x800
23#define C218_status (C218_ConfBase + 0) /* BIOS running status */
24#define C218_diag (C218_ConfBase + 2) /* diagnostic status */
25#define C218_key (C218_ConfBase + 4) /* WORD (0x218 for C218) */
26#define C218DLoad_len (C218_ConfBase + 6) /* WORD */
27#define C218check_sum (C218_ConfBase + 8) /* BYTE */
28#define C218chksum_ok (C218_ConfBase + 0x0a) /* BYTE (1:ok) */
29#define C218_TestRx (C218_ConfBase + 0x10) /* 8 bytes for 8 ports */
30#define C218_TestTx (C218_ConfBase + 0x18) /* 8 bytes for 8 ports */
31#define C218_RXerr (C218_ConfBase + 0x20) /* 8 bytes for 8 ports */
32#define C218_ErrFlag (C218_ConfBase + 0x28) /* 8 bytes for 8 ports */
33
34#define C218_LoadBuf 0x0F00
35#define C218_KeyCode 0x218
36#define CP204J_KeyCode 0x204
37
38/*
39 * for C320 BIOS initialization
40 */
41#define C320_ConfBase 0x800
42#define C320_LoadBuf 0x0f00
43#define STS_init 0x05 /* for C320_status */
44
45#define C320_status C320_ConfBase + 0 /* BIOS running status */
46#define C320_diag C320_ConfBase + 2 /* diagnostic status */
47#define C320_key C320_ConfBase + 4 /* WORD (0320H for C320) */
48#define C320DLoad_len C320_ConfBase + 6 /* WORD */
49#define C320check_sum C320_ConfBase + 8 /* WORD */
50#define C320chksum_ok C320_ConfBase + 0x0a /* WORD (1:ok) */
51#define C320bapi_len C320_ConfBase + 0x0c /* WORD */
52#define C320UART_no C320_ConfBase + 0x0e /* WORD */
53
54#define C320_KeyCode 0x320
55
56#define FixPage_addr 0x0000 /* starting addr of static page */
57#define DynPage_addr 0x2000 /* starting addr of dynamic page */
58#define C218_start 0x3000 /* starting addr of C218 BIOS prg */
59#define Control_reg 0x1ff0 /* select page and reset control */
60#define HW_reset 0x80
61
62/*
63 * Function Codes
64 */
65#define FC_CardReset 0x80
66#define FC_ChannelReset 1 /* C320 firmware not supported */
67#define FC_EnableCH 2
68#define FC_DisableCH 3
69#define FC_SetParam 4
70#define FC_SetMode 5
71#define FC_SetRate 6
72#define FC_LineControl 7
73#define FC_LineStatus 8
74#define FC_XmitControl 9
75#define FC_FlushQueue 10
76#define FC_SendBreak 11
77#define FC_StopBreak 12
78#define FC_LoopbackON 13
79#define FC_LoopbackOFF 14
80#define FC_ClrIrqTable 15
81#define FC_SendXon 16
82#define FC_SetTermIrq 17 /* C320 firmware not supported */
83#define FC_SetCntIrq 18 /* C320 firmware not supported */
84#define FC_SetBreakIrq 19
85#define FC_SetLineIrq 20
86#define FC_SetFlowCtl 21
87#define FC_GenIrq 22
88#define FC_InCD180 23
89#define FC_OutCD180 24
90#define FC_InUARTreg 23
91#define FC_OutUARTreg 24
92#define FC_SetXonXoff 25
93#define FC_OutCD180CCR 26
94#define FC_ExtIQueue 27
95#define FC_ExtOQueue 28
96#define FC_ClrLineIrq 29
97#define FC_HWFlowCtl 30
98#define FC_GetClockRate 35
99#define FC_SetBaud 36
100#define FC_SetDataMode 41
101#define FC_GetCCSR 43
102#define FC_GetDataError 45
103#define FC_RxControl 50
104#define FC_ImmSend 51
105#define FC_SetXonState 52
106#define FC_SetXoffState 53
107#define FC_SetRxFIFOTrig 54
108#define FC_SetTxFIFOCnt 55
109#define FC_UnixRate 56
110#define FC_UnixResetTimer 57
111
112#define RxFIFOTrig1 0
113#define RxFIFOTrig4 1
114#define RxFIFOTrig8 2
115#define RxFIFOTrig14 3
116
117/*
118 * Dual-Ported RAM
119 */
120#define DRAM_global 0
121#define INT_data (DRAM_global + 0)
122#define Config_base (DRAM_global + 0x108)
123
124#define IRQindex (INT_data + 0)
125#define IRQpending (INT_data + 4)
126#define IRQtable (INT_data + 8)
127
128/*
129 * Interrupt Status
130 */
131#define IntrRx 0x01 /* receiver data O.K. */
132#define IntrTx 0x02 /* transmit buffer empty */
133#define IntrFunc 0x04 /* function complete */
134#define IntrBreak 0x08 /* received break */
135#define IntrLine 0x10 /* line status change
136 for transmitter */
137#define IntrIntr 0x20 /* received INTR code */
138#define IntrQuit 0x40 /* received QUIT code */
139#define IntrEOF 0x80 /* received EOF code */
140
141#define IntrRxTrigger 0x100 /* rx data count reach tigger value */
142#define IntrTxTrigger 0x200 /* tx data count below trigger value */
143
144#define Magic_no (Config_base + 0)
145#define Card_model_no (Config_base + 2)
146#define Total_ports (Config_base + 4)
147#define Module_cnt (Config_base + 8)
148#define Module_no (Config_base + 10)
149#define Timer_10ms (Config_base + 14)
150#define Disable_IRQ (Config_base + 20)
151#define TMS320_PORT1 (Config_base + 22)
152#define TMS320_PORT2 (Config_base + 24)
153#define TMS320_CLOCK (Config_base + 26)
154
155/*
156 * DATA BUFFER in DRAM
157 */
158#define Extern_table 0x400 /* Base address of the external table
159 (24 words * 64) total 3K bytes
160 (24 words * 128) total 6K bytes */
161#define Extern_size 0x60 /* 96 bytes */
162#define RXrptr 0x00 /* read pointer for RX buffer */
163#define RXwptr 0x02 /* write pointer for RX buffer */
164#define TXrptr 0x04 /* read pointer for TX buffer */
165#define TXwptr 0x06 /* write pointer for TX buffer */
166#define HostStat 0x08 /* IRQ flag and general flag */
167#define FlagStat 0x0A
168#define FlowControl 0x0C /* B7 B6 B5 B4 B3 B2 B1 B0 */
169 /* x x x x | | | | */
170 /* | | | + CTS flow */
171 /* | | +--- RTS flow */
172 /* | +------ TX Xon/Xoff */
173 /* +--------- RX Xon/Xoff */
174#define Break_cnt 0x0E /* received break count */
175#define CD180TXirq 0x10 /* if non-0: enable TX irq */
176#define RX_mask 0x12
177#define TX_mask 0x14
178#define Ofs_rxb 0x16
179#define Ofs_txb 0x18
180#define Page_rxb 0x1A
181#define Page_txb 0x1C
182#define EndPage_rxb 0x1E
183#define EndPage_txb 0x20
184#define Data_error 0x22
185#define RxTrigger 0x28
186#define TxTrigger 0x2a
187
188#define rRXwptr 0x34
189#define Low_water 0x36
190
191#define FuncCode 0x40
192#define FuncArg 0x42
193#define FuncArg1 0x44
194
195#define C218rx_size 0x2000 /* 8K bytes */
196#define C218tx_size 0x8000 /* 32K bytes */
197
198#define C218rx_mask (C218rx_size - 1)
199#define C218tx_mask (C218tx_size - 1)
200
201#define C320p8rx_size 0x2000
202#define C320p8tx_size 0x8000
203#define C320p8rx_mask (C320p8rx_size - 1)
204#define C320p8tx_mask (C320p8tx_size - 1)
205
206#define C320p16rx_size 0x2000
207#define C320p16tx_size 0x4000
208#define C320p16rx_mask (C320p16rx_size - 1)
209#define C320p16tx_mask (C320p16tx_size - 1)
210
211#define C320p24rx_size 0x2000
212#define C320p24tx_size 0x2000
213#define C320p24rx_mask (C320p24rx_size - 1)
214#define C320p24tx_mask (C320p24tx_size - 1)
215
216#define C320p32rx_size 0x1000
217#define C320p32tx_size 0x1000
218#define C320p32rx_mask (C320p32rx_size - 1)
219#define C320p32tx_mask (C320p32tx_size - 1)
220
221#define Page_size 0x2000U
222#define Page_mask (Page_size - 1)
223#define C218rx_spage 3
224#define C218tx_spage 4
225#define C218rx_pageno 1
226#define C218tx_pageno 4
227#define C218buf_pageno 5
228
229#define C320p8rx_spage 3
230#define C320p8tx_spage 4
231#define C320p8rx_pgno 1
232#define C320p8tx_pgno 4
233#define C320p8buf_pgno 5
234
235#define C320p16rx_spage 3
236#define C320p16tx_spage 4
237#define C320p16rx_pgno 1
238#define C320p16tx_pgno 2
239#define C320p16buf_pgno 3
240
241#define C320p24rx_spage 3
242#define C320p24tx_spage 4
243#define C320p24rx_pgno 1
244#define C320p24tx_pgno 1
245#define C320p24buf_pgno 2
246
247#define C320p32rx_spage 3
248#define C320p32tx_ofs C320p32rx_size
249#define C320p32tx_spage 3
250#define C320p32buf_pgno 1
251
252/*
253 * Host Status
254 */
255#define WakeupRx 0x01
256#define WakeupTx 0x02
257#define WakeupBreak 0x08
258#define WakeupLine 0x10
259#define WakeupIntr 0x20
260#define WakeupQuit 0x40
261#define WakeupEOF 0x80 /* used in VTIME control */
262#define WakeupRxTrigger 0x100
263#define WakeupTxTrigger 0x200
264/*
265 * Flag status
266 */
267#define Rx_over 0x01
268#define Xoff_state 0x02
269#define Tx_flowOff 0x04
270#define Tx_enable 0x08
271#define CTS_state 0x10
272#define DSR_state 0x20
273#define DCD_state 0x80
274/*
275 * FlowControl
276 */
277#define CTS_FlowCtl 1
278#define RTS_FlowCtl 2
279#define Tx_FlowCtl 4
280#define Rx_FlowCtl 8
281#define IXM_IXANY 0x10
282
283#define LowWater 128
284
285#define DTR_ON 1
286#define RTS_ON 2
287#define CTS_ON 1
288#define DSR_ON 2
289#define DCD_ON 8
290
291/* mode definition */
292#define MX_CS8 0x03
293#define MX_CS7 0x02
294#define MX_CS6 0x01
295#define MX_CS5 0x00
296
297#define MX_STOP1 0x00
298#define MX_STOP15 0x04
299#define MX_STOP2 0x08
300
301#define MX_PARNONE 0x00
302#define MX_PAREVEN 0x40
303#define MX_PARODD 0xC0
304#define MX_PARMARK 0xA0
305#define MX_PARSPACE 0x20
306
307#endif
308