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icom.h
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1 /*
2  * icom.h
3  *
4  * Copyright (C) 2001 Michael Anderson, IBM Corporation
5  *
6  * Serial device driver include file.
7  *
8  * This program is free software; you can redistribute it and/or modify
9  * it under the terms of the GNU General Public License as published by
10  * the Free Software Foundation; either version 2 of the License, or
11  * (at your option) any later version.
12  *
13  * This program is distributed in the hope that it will be useful,
14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16  * GNU General Public License for more details.
17  *
18  * You should have received a copy of the GNU General Public License
19  * along with this program; if not, write to the Free Software
20  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
21  */
22 
23 #include <linux/serial_core.h>
24 
25 #define BAUD_TABLE_LIMIT ((sizeof(icom_acfg_baud)/sizeof(int)) - 1)
26 static int icom_acfg_baud[] = {
27  300,
28  600,
29  900,
30  1200,
31  1800,
32  2400,
33  3600,
34  4800,
35  7200,
36  9600,
37  14400,
38  19200,
39  28800,
40  38400,
41  57600,
42  76800,
43  115200,
44  153600,
45  230400,
46  307200,
47  460800,
48 };
49 
50 struct icom_regs {
51  u32 control; /* Adapter Control Register */
52  u32 interrupt; /* Adapter Interrupt Register */
53  u32 int_mask; /* Adapter Interrupt Mask Reg */
54  u32 int_pri; /* Adapter Interrupt Priority r */
55  u32 int_reg_b; /* Adapter non-masked Interrupt */
56  u32 resvd01;
57  u32 resvd02;
58  u32 resvd03;
59  u32 control_2; /* Adapter Control Register 2 */
60  u32 interrupt_2; /* Adapter Interrupt Register 2 */
61  u32 int_mask_2; /* Adapter Interrupt Mask 2 */
62  u32 int_pri_2; /* Adapter Interrupt Prior 2 */
63  u32 int_reg_2b; /* Adapter non-masked 2 */
64 };
65 
66 struct func_dram {
67  u32 reserved[108]; /* 0-1B0 reserved by personality code */
68  u32 RcvStatusAddr; /* 1B0-1B3 Status Address for Next rcv */
69  u8 RcvStnAddr; /* 1B4 Receive Station Addr */
70  u8 IdleState; /* 1B5 Idle State */
71  u8 IdleMonitor; /* 1B6 Idle Monitor */
72  u8 FlagFillIdleTimer; /* 1B7 Flag Fill Idle Timer */
73  u32 XmitStatusAddr; /* 1B8-1BB Transmit Status Address */
74  u8 StartXmitCmd; /* 1BC Start Xmit Command */
75  u8 HDLCConfigReg; /* 1BD Reserved */
76  u8 CauseCode; /* 1BE Cause code for fatal error */
77  u8 xchar; /* 1BF High priority send */
78  u32 reserved3; /* 1C0-1C3 Reserved */
79  u8 PrevCmdReg; /* 1C4 Reserved */
80  u8 CmdReg; /* 1C5 Command Register */
81  u8 async_config2; /* 1C6 Async Config Byte 2 */
82  u8 async_config3; /* 1C7 Async Config Byte 3 */
83  u8 dce_resvd[20]; /* 1C8-1DB DCE Rsvd */
84  u8 dce_resvd21; /* 1DC DCE Rsvd (21st byte */
85  u8 misc_flags; /* 1DD misc flags */
86 #define V2_HARDWARE 0x40
87 #define ICOM_HDW_ACTIVE 0x01
88  u8 call_length; /* 1DE Phone #/CFI buff ln */
89  u8 call_length2; /* 1DF Upper byte (unused) */
90  u32 call_addr; /* 1E0-1E3 Phn #/CFI buff addr */
91  u16 timer_value; /* 1E4-1E5 general timer value */
92  u8 timer_command; /* 1E6 general timer cmd */
93  u8 dce_command; /* 1E7 dce command reg */
94  u8 dce_cmd_status; /* 1E8 dce command stat */
95  u8 x21_r1_ioff; /* 1E9 dce ready counter */
96  u8 x21_r0_ioff; /* 1EA dce not ready ctr */
97  u8 x21_ralt_ioff; /* 1EB dce CNR counter */
98  u8 x21_r1_ion; /* 1EC dce ready I on ctr */
99  u8 rsvd_ier; /* 1ED Rsvd for IER (if ne */
100  u8 ier; /* 1EE Interrupt Enable */
101  u8 isr; /* 1EF Input Signal Reg */
102  u8 osr; /* 1F0 Output Signal Reg */
103  u8 reset; /* 1F1 Reset/Reload Reg */
104  u8 disable; /* 1F2 Disable Reg */
105  u8 sync; /* 1F3 Sync Reg */
106  u8 error_stat; /* 1F4 Error Status */
107  u8 cable_id; /* 1F5 Cable ID */
108  u8 cs_length; /* 1F6 CS Load Length */
109  u8 mac_length; /* 1F7 Mac Load Length */
110  u32 cs_load_addr; /* 1F8-1FB Call Load PCI Addr */
111  u32 mac_load_addr; /* 1FC-1FF Mac Load PCI Addr */
112 };
113 
114 /*
115  * adapter defines and structures
116  */
117 #define ICOM_CONTROL_START_A 0x00000008
118 #define ICOM_CONTROL_STOP_A 0x00000004
119 #define ICOM_CONTROL_START_B 0x00000002
120 #define ICOM_CONTROL_STOP_B 0x00000001
121 #define ICOM_CONTROL_START_C 0x00000008
122 #define ICOM_CONTROL_STOP_C 0x00000004
123 #define ICOM_CONTROL_START_D 0x00000002
124 #define ICOM_CONTROL_STOP_D 0x00000001
125 #define ICOM_IRAM_OFFSET 0x1000
126 #define ICOM_IRAM_SIZE 0x0C00
127 #define ICOM_DCE_IRAM_OFFSET 0x0A00
128 #define ICOM_CABLE_ID_VALID 0x01
129 #define ICOM_CABLE_ID_MASK 0xF0
130 #define ICOM_DISABLE 0x80
131 #define CMD_XMIT_RCV_ENABLE 0xC0
132 #define CMD_XMIT_ENABLE 0x40
133 #define CMD_RCV_DISABLE 0x00
134 #define CMD_RCV_ENABLE 0x80
135 #define CMD_RESTART 0x01
136 #define CMD_HOLD_XMIT 0x02
137 #define CMD_SND_BREAK 0x04
138 #define RS232_CABLE 0x06
139 #define V24_CABLE 0x0E
140 #define V35_CABLE 0x0C
141 #define V36_CABLE 0x02
142 #define NO_CABLE 0x00
143 #define START_DOWNLOAD 0x80
144 #define ICOM_INT_MASK_PRC_A 0x00003FFF
145 #define ICOM_INT_MASK_PRC_B 0x3FFF0000
146 #define ICOM_INT_MASK_PRC_C 0x00003FFF
147 #define ICOM_INT_MASK_PRC_D 0x3FFF0000
148 #define INT_RCV_COMPLETED 0x1000
149 #define INT_XMIT_COMPLETED 0x2000
150 #define INT_IDLE_DETECT 0x0800
151 #define INT_RCV_DISABLED 0x0400
152 #define INT_XMIT_DISABLED 0x0200
153 #define INT_RCV_XMIT_SHUTDOWN 0x0100
154 #define INT_FATAL_ERROR 0x0080
155 #define INT_CABLE_PULL 0x0020
156 #define INT_SIGNAL_CHANGE 0x0010
157 #define HDLC_PPP_PURE_ASYNC 0x02
158 #define HDLC_FF_FILL 0x00
159 #define HDLC_HDW_FLOW 0x01
160 #define START_XMIT 0x80
161 #define ICOM_ACFG_DRIVE1 0x20
162 #define ICOM_ACFG_NO_PARITY 0x00
163 #define ICOM_ACFG_PARITY_ENAB 0x02
164 #define ICOM_ACFG_PARITY_ODD 0x01
165 #define ICOM_ACFG_8BPC 0x00
166 #define ICOM_ACFG_7BPC 0x04
167 #define ICOM_ACFG_6BPC 0x08
168 #define ICOM_ACFG_5BPC 0x0C
169 #define ICOM_ACFG_1STOP_BIT 0x00
170 #define ICOM_ACFG_2STOP_BIT 0x10
171 #define ICOM_DTR 0x80
172 #define ICOM_RTS 0x40
173 #define ICOM_RI 0x08
174 #define ICOM_DSR 0x80
175 #define ICOM_DCD 0x20
176 #define ICOM_CTS 0x40
177 
178 #define NUM_XBUFFS 1
179 #define NUM_RBUFFS 2
180 #define RCV_BUFF_SZ 0x0200
181 #define XMIT_BUFF_SZ 0x1000
182 struct statusArea {
183  /**********************************************/
184  /* Transmit Status Area */
185  /**********************************************/
186  struct xmit_status_area{
187  u32 leNext; /* Next entry in Little Endian on Adapter */
188  u32 leNextASD;
189  u32 leBuffer; /* Buffer for entry in LE for Adapter */
190  u16 leLengthASD;
191  u16 leOffsetASD;
192  u16 leLength; /* Length of data in segment */
193  u16 flags;
194 #define SA_FLAGS_DONE 0x0080 /* Done with Segment */
195 #define SA_FLAGS_CONTINUED 0x8000 /* More Segments */
196 #define SA_FLAGS_IDLE 0x4000 /* Mark IDLE after frm */
197 #define SA_FLAGS_READY_TO_XMIT 0x0800
198 #define SA_FLAGS_STAT_MASK 0x007F
199  } xmit[NUM_XBUFFS];
200 
201  /**********************************************/
202  /* Receive Status Area */
203  /**********************************************/
204  struct {
205  u32 leNext; /* Next entry in Little Endian on Adapter */
206  u32 leNextASD;
207  u32 leBuffer; /* Buffer for entry in LE for Adapter */
208  u16 WorkingLength; /* size of segment */
209  u16 reserv01;
210  u16 leLength; /* Length of data in segment */
211  u16 flags;
212 #define SA_FL_RCV_DONE 0x0010 /* Data ready */
213 #define SA_FLAGS_OVERRUN 0x0040
214 #define SA_FLAGS_PARITY_ERROR 0x0080
215 #define SA_FLAGS_FRAME_ERROR 0x0001
216 #define SA_FLAGS_FRAME_TRUNC 0x0002
217 #define SA_FLAGS_BREAK_DET 0x0004 /* set conditionally by device driver, not hardware */
218 #define SA_FLAGS_RCV_MASK 0xFFE6
219  } rcv[NUM_RBUFFS];
220 };
221 
222 struct icom_adapter;
223 
224 
225 #define ICOM_MAJOR 243
226 #define ICOM_MINOR_START 0
227 
228 struct icom_port {
229  struct uart_port uart_port;
230  u8 imbed_modem;
231 #define ICOM_UNKNOWN 1
232 #define ICOM_RVX 2
233 #define ICOM_IMBED_MODEM 3
234  unsigned char cable_id;
235  unsigned char read_status_mask;
236  unsigned char ignore_status_mask;
237  void __iomem * int_reg;
238  struct icom_regs __iomem *global_reg;
239  struct func_dram __iomem *dram;
240  int port;
241  struct statusArea *statStg;
242  dma_addr_t statStg_pci;
243  u32 *xmitRestart;
244  dma_addr_t xmitRestart_pci;
245  unsigned char *xmit_buf;
246  dma_addr_t xmit_buf_pci;
247  unsigned char *recv_buf;
248  dma_addr_t recv_buf_pci;
249  int next_rcv;
250  int put_length;
251  int status;
252 #define ICOM_PORT_ACTIVE 1 /* Port exists. */
253 #define ICOM_PORT_OFF 0 /* Port does not exist. */
254  int load_in_progress;
255  struct icom_adapter *adapter;
256 };
257 
258 struct icom_adapter {
259  void __iomem * base_addr;
260  unsigned long base_addr_pci;
261  struct pci_dev *pci_dev;
262  struct icom_port port_info[4];
263  int index;
264  int version;
265 #define ADAPTER_V1 0x0001
266 #define ADAPTER_V2 0x0002
267  u32 subsystem_id;
268 #define FOUR_PORT_MODEL 0x0252
269 #define V2_TWO_PORTS_RVX 0x021A
270 #define V2_ONE_PORT_RVX_ONE_PORT_IMBED_MDM 0x0251
271  int numb_ports;
272  struct list_head icom_adapter_entry;
273  struct kref kref;
274 };
275 
276 /* prototype */
277 extern void iCom_sercons_init(void);
278 
279 struct lookup_proc_table {
280  u32 __iomem *global_control_reg;
281  unsigned long processor_id;
282 };
283 
284 struct lookup_int_table {
285  u32 __iomem *global_int_mask;
286  unsigned long processor_id;
287 };
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