summaryrefslogtreecommitdiffstats
path: root/drivers/serial/icom.h
blob: 23dc0f7ddf8bb6712613ba0274374f609e1c4412 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
/*
 * icom.h
 *
 * Copyright (C) 2001 Michael Anderson, IBM Corporation
 *
 * Serial device driver include file.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
 */

#include<linux/serial_core.h>

#define BAUD_TABLE_LIMIT	((sizeof(icom_acfg_baud)/sizeof(int)) - 1)
static int icom_acfg_baud[] = {
	300,
	600,
	900,
	1200,
	1800,
	2400,
	3600,
	4800,
	7200,
	9600,
	14400,
	19200,
	28800,
	38400,
	57600,
	76800,
	115200,
	153600,
	230400,
	307200,
	460800,
};

struct icom_regs {
	u32 control;		/* Adapter Control Register     */
	u32 interrupt;		/* Adapter Interrupt Register   */
	u32 int_mask;		/* Adapter Interrupt Mask Reg   */
	u32 int_pri;		/* Adapter Interrupt Priority r */
	u32 int_reg_b;		/* Adapter non-masked Interrupt */
	u32 resvd01;
	u32 resvd02;
	u32 resvd03;
	u32 control_2;		/* Adapter Control Register 2   */
	u32 interrupt_2;	/* Adapter Interrupt Register 2 */
	u32 int_mask_2;		/* Adapter Interrupt Mask 2     */
	u32 int_pri_2;		/* Adapter Interrupt Prior 2    */
	u32 int_reg_2b;		/* Adapter non-masked 2         */
};

struct func_dram {
	u32 reserved[108];	/* 0-1B0   reserved by personality code */
	u32 RcvStatusAddr;	/* 1B0-1B3 Status Address for Next rcv */
	u8 RcvStnAddr;		/* 1B4     Receive Station Addr */
	u8 IdleState;		/* 1B5     Idle State */
	u8 IdleMonitor;		/* 1B6     Idle Monitor */
	u8 FlagFillIdleTimer;	/* 1B7     Flag Fill Idle Timer */
	u32 XmitStatusAddr;	/* 1B8-1BB Transmit Status Address */
	u8 StartXmitCmd;	/* 1BC     Start Xmit Command */
	u8 HDLCConfigReg;	/* 1BD     Reserved */
	u8 CauseCode;		/* 1BE     Cause code for fatal error */
	u8 xchar;		/* 1BF     High priority send */
	u32 reserved3;		/* 1C0-1C3 Reserved */
	u8 PrevCmdReg;		/* 1C4     Reserved */
	u8 CmdReg;		/* 1C5     Command Register */
	u8 async_config2;	/* 1C6     Async Config Byte 2 */
	u8 async_config3;	/* 1C7     Async Config Byte 3 */
	u8 dce_resvd[20];	/* 1C8-1DB DCE Rsvd           */
	u8 dce_resvd21;		/* 1DC     DCE Rsvd (21st byte */
	u8 misc_flags;		/* 1DD     misc flags         */
#define V2_HARDWARE     0x40
#define ICOM_HDW_ACTIVE 0x01
	u8 call_length;		/* 1DE     Phone #/CFI buff ln */
	u8 call_length2;	/* 1DF     Upper byte (unused) */
	u32 call_addr;		/* 1E0-1E3 Phn #/CFI buff addr */
	u16 timer_value;	/* 1E4-1E5 general timer value */
	u8 timer_command;	/* 1E6     general timer cmd  */
	u8 dce_command;		/* 1E7     dce command reg    */
	u8 dce_cmd_status;	/* 1E8     dce command stat   */
	u8 x21_r1_ioff;		/* 1E9     dce ready counter  */
	u8 x21_r0_ioff;		/* 1EA     dce not ready ctr  */
	u8 x21_ralt_ioff;	/* 1EB     dce CNR counter    */
	u8 x21_r1_ion;		/* 1EC     dce ready I on ctr */
	u8 rsvd_ier;		/* 1ED     Rsvd for IER (if ne */
	u8 ier;			/* 1EE     Interrupt Enable   */
	u8 isr;			/* 1EF     Input Signal Reg   */
	u8 osr;			/* 1F0     Output Signal Reg  */
	u8 reset;		/* 1F1     Reset/Reload Reg   */
	u8 disable;		/* 1F2     Disable Reg        */
	u8 sync;		/* 1F3     Sync Reg           */
	u8 error_stat;		/* 1F4     Error Status       */
	u8 cable_id;		/* 1F5     Cable ID           */
	u8 cs_length;		/* 1F6     CS Load Length     */
	u8 mac_length;		/* 1F7     Mac Load Length    */
	u32 cs_load_addr;	/* 1F8-1FB Call Load PCI Addr */
	u32 mac_load_addr;	/* 1FC-1FF Mac Load PCI Addr  */
};

/*
 * adapter defines and structures
 */
#define ICOM_CONTROL_START_A         0x00000008
#define ICOM_CONTROL_STOP_A          0x00000004
#define ICOM_CONTROL_START_B         0x00000002
#define ICOM_CONTROL_STOP_B          0x00000001
#define ICOM_CONTROL_START_C         0x00000008
#define ICOM_CONTROL_STOP_C          0x00000004
#define ICOM_CONTROL_START_D         0x00000002
#define ICOM_CONTROL_STOP_D          0x00000001
#define ICOM_IRAM_OFFSET             0x1000
#define ICOM_IRAM_SIZE               0x0C00
#define ICOM_DCE_IRAM_OFFSET         0x0A00
#define ICOM_CABLE_ID_VALID          0x01
#define ICOM_CABLE_ID_MASK           0xF0
#define ICOM_DISABLE                 0x80
#define CMD_XMIT_RCV_ENABLE          0xC0
#define CMD_XMIT_ENABLE              0x40
#define CMD_RCV_DISABLE              0x00
#define CMD_RCV_ENABLE               0x80
#define CMD_RESTART                  0x01
#define CMD_HOLD_XMIT                0x02
#define CMD_SND_BREAK                0x04
#define RS232_CABLE                  0x06
#define V24_CABLE                    0x0E
#define V35_CABLE                    0x0C
#define V36_CABLE                    0x02
#define NO_CABLE                     0x00
#define START_DOWNLOAD               0x80
#define ICOM_INT_MASK_PRC_A          0x00003FFF
#define ICOM_INT_MASK_PRC_B          0x3FFF0000
#define ICOM_INT_MASK_PRC_C          0x00003FFF
#define ICOM_INT_MASK_PRC_D          0x3FFF0000
#define INT_RCV_COMPLETED            0x1000
#define INT_XMIT_COMPLETED           0x2000
#define INT_IDLE_DETECT              0x0800
#define INT_RCV_DISABLED             0x0400
#define INT_XMIT_DISABLED            0x0200
#define INT_RCV_XMIT_SHUTDOWN        0x0100
#define INT_FATAL_ERROR              0x0080
#define INT_CABLE_PULL               0x0020
#define INT_SIGNAL_CHANGE            0x0010
#define HDLC_PPP_PURE_ASYNC          0x02
#define HDLC_FF_FILL                 0x00
#define HDLC_HDW_FLOW                0x01
#define START_XMIT                   0x80
#define ICOM_ACFG_DRIVE1             0x20
#define ICOM_ACFG_NO_PARITY          0x00
#define ICOM_ACFG_PARITY_ENAB        0x02
#define ICOM_ACFG_PARITY_ODD         0x01
#define ICOM_ACFG_8BPC               0x00
#define ICOM_ACFG_7BPC               0x04
#define ICOM_ACFG_6BPC               0x08
#define ICOM_ACFG_5BPC               0x0C
#define ICOM_ACFG_1STOP_BIT          0x00
#define ICOM_ACFG_2STOP_BIT          0x10
#define ICOM_DTR                     0x80
#define ICOM_RTS                     0x40
#define ICOM_RI                      0x08
#define ICOM_DSR                     0x80
#define ICOM_DCD                     0x20
#define ICOM_CTS                     0x40

#define NUM_XBUFFS 1
#define NUM_RBUFFS 2
#define RCV_BUFF_SZ 0x0200
#define XMIT_BUFF_SZ 0x1000
struct statusArea {
    /**********************************************/
	/* Transmit Status Area                       */
    /**********************************************/
	struct xmit_status_area{
		u32 leNext;	/* Next entry in Little Endian on Adapter */
		u32 leNextASD;
		u32 leBuffer;	/* Buffer for entry in LE for Adapter */
		u16 leLengthASD;
		u16 leOffsetASD;
		u16 leLength;	/* Length of data in segment */
		u16 flags;
#define SA_FLAGS_DONE           0x0080	/* Done with Segment */
#define SA_FLAGS_CONTINUED      0x8000	/* More Segments */
#define SA_FLAGS_IDLE           0x4000	/* Mark IDLE after frm */
#define SA_FLAGS_READY_TO_XMIT  0x0800
#define SA_FLAGS_STAT_MASK      0x007F
	} xmit[NUM_XBUFFS];

    /**********************************************/
	/* Receive Status Area                        */
    /**********************************************/
	struct {
		u32 leNext;	/* Next entry in Little Endian on Adapter */
		u32 leNextASD;
		u32 leBuffer;	/* Buffer for entry in LE for Adapter */
		u16 WorkingLength;	/* size of segment */
		u16 reserv01;
		u16 leLength;	/* Length of data in segment */
		u16 flags;
#define SA_FL_RCV_DONE           0x0010	/* Data ready */
#define SA_FLAGS_OVERRUN         0x0040
#define SA_FLAGS_PARITY_ERROR    0x0080
#define SA_FLAGS_FRAME_ERROR     0x0001
#define SA_FLAGS_FRAME_TRUNC     0x0002
#define SA_FLAGS_BREAK_DET       0x0004	/* set conditionally by device driver, not hardware */
#define SA_FLAGS_RCV_MASK        0xFFE6
	} rcv[NUM_RBUFFS];
};

struct icom_adapter;


#define ICOM_MAJOR       243
#define ICOM_MINOR_START 0

struct icom_port {
	struct uart_port uart_port;
	u8 imbed_modem;
#define ICOM_UNKNOWN		1
#define ICOM_RVX		2
#define ICOM_IMBED_MODEM	3
	unsigned char cable_id;
	unsigned char read_status_mask;
	unsigned char ignore_status_mask;
	void __iomem * int_reg;
	struct icom_regs __iomem *global_reg;
	struct func_dram __iomem *dram;
	int port;
	struct statusArea *statStg;
	dma_addr_t statStg_pci;
	u32 *xmitRestart;
	dma_addr_t xmitRestart_pci;
	unsigned char *xmit_buf;
	dma_addr_t xmit_buf_pci;
	unsigned char *recv_buf;
	dma_addr_t recv_buf_pci;
	int next_rcv;
	int put_length;
	int status;
#define ICOM_PORT_ACTIVE	1	/* Port exists. */
#define ICOM_PORT_OFF		0	/* Port does not exist. */
	int load_in_progress;
	struct icom_adapter *adapter;
};

struct icom_adapter {
	void __iomem * base_addr;
	unsigned long base_addr_pci;
	unsigned char irq_number;
	struct pci_dev *pci_dev;
	struct icom_port port_info[4];
	int index;
	int version;
#define ADAPTER_V1	0x0001
#define ADAPTER_V2	0x0002
	u32 subsystem_id;
#define FOUR_PORT_MODEL				0x0252
#define V2_TWO_PORTS_RVX			0x021A
#define V2_ONE_PORT_RVX_ONE_PORT_IMBED_MDM	0x0251
	int numb_ports;
	struct list_head icom_adapter_entry;
	struct kobject kobj;
};

/* prototype */
extern void iCom_sercons_init(void);

struct lookup_proc_table {
	u32	__iomem *global_control_reg;
	unsigned long	processor_id;
};

struct lookup_int_table {
	u32	__iomem *global_int_mask;
	unsigned long	processor_id;
};

#define MSECS_TO_JIFFIES(ms) (((ms)*HZ+999)/1000)
OpenPOWER on IntegriCloud