Loading...
Note: File does not exist in v6.8.
1// SPDX-License-Identifier: GPL-2.0+
2/*
3 * icom.h
4 *
5 * Copyright (C) 2001 Michael Anderson, IBM Corporation
6 *
7 * Serial device driver include file.
8 */
9
10#include <linux/serial_core.h>
11
12#define BAUD_TABLE_LIMIT ((sizeof(icom_acfg_baud)/sizeof(int)) - 1)
13static int icom_acfg_baud[] = {
14 300,
15 600,
16 900,
17 1200,
18 1800,
19 2400,
20 3600,
21 4800,
22 7200,
23 9600,
24 14400,
25 19200,
26 28800,
27 38400,
28 57600,
29 76800,
30 115200,
31 153600,
32 230400,
33 307200,
34 460800,
35};
36
37struct icom_regs {
38 u32 control; /* Adapter Control Register */
39 u32 interrupt; /* Adapter Interrupt Register */
40 u32 int_mask; /* Adapter Interrupt Mask Reg */
41 u32 int_pri; /* Adapter Interrupt Priority r */
42 u32 int_reg_b; /* Adapter non-masked Interrupt */
43 u32 resvd01;
44 u32 resvd02;
45 u32 resvd03;
46 u32 control_2; /* Adapter Control Register 2 */
47 u32 interrupt_2; /* Adapter Interrupt Register 2 */
48 u32 int_mask_2; /* Adapter Interrupt Mask 2 */
49 u32 int_pri_2; /* Adapter Interrupt Prior 2 */
50 u32 int_reg_2b; /* Adapter non-masked 2 */
51};
52
53struct func_dram {
54 u32 reserved[108]; /* 0-1B0 reserved by personality code */
55 u32 RcvStatusAddr; /* 1B0-1B3 Status Address for Next rcv */
56 u8 RcvStnAddr; /* 1B4 Receive Station Addr */
57 u8 IdleState; /* 1B5 Idle State */
58 u8 IdleMonitor; /* 1B6 Idle Monitor */
59 u8 FlagFillIdleTimer; /* 1B7 Flag Fill Idle Timer */
60 u32 XmitStatusAddr; /* 1B8-1BB Transmit Status Address */
61 u8 StartXmitCmd; /* 1BC Start Xmit Command */
62 u8 HDLCConfigReg; /* 1BD Reserved */
63 u8 CauseCode; /* 1BE Cause code for fatal error */
64 u8 xchar; /* 1BF High priority send */
65 u32 reserved3; /* 1C0-1C3 Reserved */
66 u8 PrevCmdReg; /* 1C4 Reserved */
67 u8 CmdReg; /* 1C5 Command Register */
68 u8 async_config2; /* 1C6 Async Config Byte 2 */
69 u8 async_config3; /* 1C7 Async Config Byte 3 */
70 u8 dce_resvd[20]; /* 1C8-1DB DCE Rsvd */
71 u8 dce_resvd21; /* 1DC DCE Rsvd (21st byte */
72 u8 misc_flags; /* 1DD misc flags */
73#define V2_HARDWARE 0x40
74#define ICOM_HDW_ACTIVE 0x01
75 u8 call_length; /* 1DE Phone #/CFI buff ln */
76 u8 call_length2; /* 1DF Upper byte (unused) */
77 u32 call_addr; /* 1E0-1E3 Phn #/CFI buff addr */
78 u16 timer_value; /* 1E4-1E5 general timer value */
79 u8 timer_command; /* 1E6 general timer cmd */
80 u8 dce_command; /* 1E7 dce command reg */
81 u8 dce_cmd_status; /* 1E8 dce command stat */
82 u8 x21_r1_ioff; /* 1E9 dce ready counter */
83 u8 x21_r0_ioff; /* 1EA dce not ready ctr */
84 u8 x21_ralt_ioff; /* 1EB dce CNR counter */
85 u8 x21_r1_ion; /* 1EC dce ready I on ctr */
86 u8 rsvd_ier; /* 1ED Rsvd for IER (if ne */
87 u8 ier; /* 1EE Interrupt Enable */
88 u8 isr; /* 1EF Input Signal Reg */
89 u8 osr; /* 1F0 Output Signal Reg */
90 u8 reset; /* 1F1 Reset/Reload Reg */
91 u8 disable; /* 1F2 Disable Reg */
92 u8 sync; /* 1F3 Sync Reg */
93 u8 error_stat; /* 1F4 Error Status */
94 u8 cable_id; /* 1F5 Cable ID */
95 u8 cs_length; /* 1F6 CS Load Length */
96 u8 mac_length; /* 1F7 Mac Load Length */
97 u32 cs_load_addr; /* 1F8-1FB Call Load PCI Addr */
98 u32 mac_load_addr; /* 1FC-1FF Mac Load PCI Addr */
99};
100
101/*
102 * adapter defines and structures
103 */
104#define ICOM_CONTROL_START_A 0x00000008
105#define ICOM_CONTROL_STOP_A 0x00000004
106#define ICOM_CONTROL_START_B 0x00000002
107#define ICOM_CONTROL_STOP_B 0x00000001
108#define ICOM_CONTROL_START_C 0x00000008
109#define ICOM_CONTROL_STOP_C 0x00000004
110#define ICOM_CONTROL_START_D 0x00000002
111#define ICOM_CONTROL_STOP_D 0x00000001
112#define ICOM_IRAM_OFFSET 0x1000
113#define ICOM_IRAM_SIZE 0x0C00
114#define ICOM_DCE_IRAM_OFFSET 0x0A00
115#define ICOM_CABLE_ID_VALID 0x01
116#define ICOM_CABLE_ID_MASK 0xF0
117#define ICOM_DISABLE 0x80
118#define CMD_XMIT_RCV_ENABLE 0xC0
119#define CMD_XMIT_ENABLE 0x40
120#define CMD_RCV_DISABLE 0x00
121#define CMD_RCV_ENABLE 0x80
122#define CMD_RESTART 0x01
123#define CMD_HOLD_XMIT 0x02
124#define CMD_SND_BREAK 0x04
125#define RS232_CABLE 0x06
126#define V24_CABLE 0x0E
127#define V35_CABLE 0x0C
128#define V36_CABLE 0x02
129#define NO_CABLE 0x00
130#define START_DOWNLOAD 0x80
131#define ICOM_INT_MASK_PRC_A 0x00003FFF
132#define ICOM_INT_MASK_PRC_B 0x3FFF0000
133#define ICOM_INT_MASK_PRC_C 0x00003FFF
134#define ICOM_INT_MASK_PRC_D 0x3FFF0000
135#define INT_RCV_COMPLETED 0x1000
136#define INT_XMIT_COMPLETED 0x2000
137#define INT_IDLE_DETECT 0x0800
138#define INT_RCV_DISABLED 0x0400
139#define INT_XMIT_DISABLED 0x0200
140#define INT_RCV_XMIT_SHUTDOWN 0x0100
141#define INT_FATAL_ERROR 0x0080
142#define INT_CABLE_PULL 0x0020
143#define INT_SIGNAL_CHANGE 0x0010
144#define HDLC_PPP_PURE_ASYNC 0x02
145#define HDLC_FF_FILL 0x00
146#define HDLC_HDW_FLOW 0x01
147#define START_XMIT 0x80
148#define ICOM_ACFG_DRIVE1 0x20
149#define ICOM_ACFG_NO_PARITY 0x00
150#define ICOM_ACFG_PARITY_ENAB 0x02
151#define ICOM_ACFG_PARITY_ODD 0x01
152#define ICOM_ACFG_8BPC 0x00
153#define ICOM_ACFG_7BPC 0x04
154#define ICOM_ACFG_6BPC 0x08
155#define ICOM_ACFG_5BPC 0x0C
156#define ICOM_ACFG_1STOP_BIT 0x00
157#define ICOM_ACFG_2STOP_BIT 0x10
158#define ICOM_DTR 0x80
159#define ICOM_RTS 0x40
160#define ICOM_RI 0x08
161#define ICOM_DSR 0x80
162#define ICOM_DCD 0x20
163#define ICOM_CTS 0x40
164
165#define NUM_XBUFFS 1
166#define NUM_RBUFFS 2
167#define RCV_BUFF_SZ 0x0200
168#define XMIT_BUFF_SZ 0x1000
169struct statusArea {
170 /**********************************************/
171 /* Transmit Status Area */
172 /**********************************************/
173 struct xmit_status_area{
174 u32 leNext; /* Next entry in Little Endian on Adapter */
175 u32 leNextASD;
176 u32 leBuffer; /* Buffer for entry in LE for Adapter */
177 u16 leLengthASD;
178 u16 leOffsetASD;
179 u16 leLength; /* Length of data in segment */
180 u16 flags;
181#define SA_FLAGS_DONE 0x0080 /* Done with Segment */
182#define SA_FLAGS_CONTINUED 0x8000 /* More Segments */
183#define SA_FLAGS_IDLE 0x4000 /* Mark IDLE after frm */
184#define SA_FLAGS_READY_TO_XMIT 0x0800
185#define SA_FLAGS_STAT_MASK 0x007F
186 } xmit[NUM_XBUFFS];
187
188 /**********************************************/
189 /* Receive Status Area */
190 /**********************************************/
191 struct {
192 u32 leNext; /* Next entry in Little Endian on Adapter */
193 u32 leNextASD;
194 u32 leBuffer; /* Buffer for entry in LE for Adapter */
195 u16 WorkingLength; /* size of segment */
196 u16 reserv01;
197 u16 leLength; /* Length of data in segment */
198 u16 flags;
199#define SA_FL_RCV_DONE 0x0010 /* Data ready */
200#define SA_FLAGS_OVERRUN 0x0040
201#define SA_FLAGS_PARITY_ERROR 0x0080
202#define SA_FLAGS_FRAME_ERROR 0x0001
203#define SA_FLAGS_FRAME_TRUNC 0x0002
204#define SA_FLAGS_BREAK_DET 0x0004 /* set conditionally by device driver, not hardware */
205#define SA_FLAGS_RCV_MASK 0xFFE6
206 } rcv[NUM_RBUFFS];
207};
208
209struct icom_adapter;
210
211
212#define ICOM_MAJOR 243
213#define ICOM_MINOR_START 0
214
215struct icom_port {
216 struct uart_port uart_port;
217 u8 imbed_modem;
218#define ICOM_UNKNOWN 1
219#define ICOM_RVX 2
220#define ICOM_IMBED_MODEM 3
221 unsigned char cable_id;
222 unsigned char read_status_mask;
223 unsigned char ignore_status_mask;
224 void __iomem * int_reg;
225 struct icom_regs __iomem *global_reg;
226 struct func_dram __iomem *dram;
227 int port;
228 struct statusArea *statStg;
229 dma_addr_t statStg_pci;
230 u32 *xmitRestart;
231 dma_addr_t xmitRestart_pci;
232 unsigned char *xmit_buf;
233 dma_addr_t xmit_buf_pci;
234 unsigned char *recv_buf;
235 dma_addr_t recv_buf_pci;
236 int next_rcv;
237 int put_length;
238 int status;
239#define ICOM_PORT_ACTIVE 1 /* Port exists. */
240#define ICOM_PORT_OFF 0 /* Port does not exist. */
241 int load_in_progress;
242 struct icom_adapter *adapter;
243};
244
245struct icom_adapter {
246 void __iomem * base_addr;
247 unsigned long base_addr_pci;
248 struct pci_dev *pci_dev;
249 struct icom_port port_info[4];
250 int index;
251 int version;
252#define ADAPTER_V1 0x0001
253#define ADAPTER_V2 0x0002
254 u32 subsystem_id;
255#define FOUR_PORT_MODEL 0x0252
256#define V2_TWO_PORTS_RVX 0x021A
257#define V2_ONE_PORT_RVX_ONE_PORT_IMBED_MDM 0x0251
258 int numb_ports;
259 struct list_head icom_adapter_entry;
260 struct kref kref;
261};
262
263/* prototype */
264extern void iCom_sercons_init(void);
265
266struct lookup_proc_table {
267 u32 __iomem *global_control_reg;
268 unsigned long processor_id;
269};
270
271struct lookup_int_table {
272 u32 __iomem *global_int_mask;
273 unsigned long processor_id;
274};