USB: usbtest.c: unsigned retval makes ctrl_out return 0 in case of error
[linux-2.6] / drivers / char / ip2 / i2cmd.c
1 /*******************************************************************************
2 *
3 *   (c) 1998 by Computone Corporation
4 *
5 ********************************************************************************
6 *
7 *
8 *   PACKAGE:     Linux tty Device Driver for IntelliPort family of multiport
9 *                serial I/O controllers.
10 *
11 *   DESCRIPTION: Definition table for In-line and Bypass commands. Applicable
12 *                only when the standard loadware is active. (This is included
13 *                source code, not a separate compilation module.)
14 *
15 *******************************************************************************/
16
17 //------------------------------------------------------------------------------
18 //
19 // Revision History:
20 //
21 // 10 October 1991   MAG First Draft
22 //  7 November 1991  MAG Reflects additional commands.
23 // 24 February 1992  MAG Additional commands for 1.4.x loadware
24 // 11 March 1992     MAG Additional commands
25 // 30 March 1992     MAG Additional command: CMD_DSS_NOW
26 // 18 May 1992       MAG Discovered commands 39 & 40 must be at the end of a
27 //                       packet: affects implementation.
28 //------------------------------------------------------------------------------
29
30 //************
31 //* Includes *
32 //************
33
34 #include "i2cmd.h"   /* To get some bit-defines */
35
36 //------------------------------------------------------------------------------
37 // Here is the table of global arrays which represent each type of command
38 // supported in the IntelliPort standard loadware. See also i2cmd.h
39 // for a more complete explanation of what is going on.
40 //------------------------------------------------------------------------------
41
42 // Here are the various globals: note that the names are not used except through
43 // the macros defined in i2cmd.h. Also note that although they are character
44 // arrays here (for extendability) they are cast to structure pointers in the
45 // i2cmd.h macros. See i2cmd.h for flags definitions.
46
47 //                     Length Flags Command
48 static UCHAR ct02[] = { 1, BTH,     0x02                     }; // DTR UP
49 static UCHAR ct03[] = { 1, BTH,     0x03                     }; // DTR DN
50 static UCHAR ct04[] = { 1, BTH,     0x04                     }; // RTS UP
51 static UCHAR ct05[] = { 1, BTH,     0x05                     }; // RTS DN
52 static UCHAR ct06[] = { 1, BYP,     0x06                     }; // START FL
53 static UCHAR ct07[] = { 2, BTH,     0x07,0                   }; // BAUD
54 static UCHAR ct08[] = { 2, BTH,     0x08,0                   }; // BITS
55 static UCHAR ct09[] = { 2, BTH,     0x09,0                   }; // STOP
56 static UCHAR ct10[] = { 2, BTH,     0x0A,0                   }; // PARITY
57 static UCHAR ct11[] = { 2, BTH,     0x0B,0                   }; // XON
58 static UCHAR ct12[] = { 2, BTH,     0x0C,0                   }; // XOFF
59 static UCHAR ct13[] = { 1, BTH,     0x0D                     }; // STOP FL
60 static UCHAR ct14[] = { 1, BYP|VIP, 0x0E                     }; // ACK HOTK
61 //static UCHAR ct15[]={ 2, BTH|VIP, 0x0F,0                   }; // IRQ SET
62 static UCHAR ct16[] = { 2, INL,     0x10,0                   }; // IXONOPTS
63 static UCHAR ct17[] = { 2, INL,     0x11,0                   }; // OXONOPTS
64 static UCHAR ct18[] = { 1, INL,     0x12                     }; // CTSENAB
65 static UCHAR ct19[] = { 1, BTH,     0x13                     }; // CTSDSAB
66 static UCHAR ct20[] = { 1, INL,     0x14                     }; // DCDENAB
67 static UCHAR ct21[] = { 1, BTH,     0x15                     }; // DCDDSAB
68 static UCHAR ct22[] = { 1, BTH,     0x16                     }; // DSRENAB
69 static UCHAR ct23[] = { 1, BTH,     0x17                     }; // DSRDSAB
70 static UCHAR ct24[] = { 1, BTH,     0x18                     }; // RIENAB
71 static UCHAR ct25[] = { 1, BTH,     0x19                     }; // RIDSAB
72 static UCHAR ct26[] = { 2, BTH,     0x1A,0                   }; // BRKENAB
73 static UCHAR ct27[] = { 1, BTH,     0x1B                     }; // BRKDSAB
74 //static UCHAR ct28[]={ 2, BTH,     0x1C,0                   }; // MAXBLOKSIZE
75 //static UCHAR ct29[]={ 2, 0,       0x1D,0                   }; // reserved
76 static UCHAR ct30[] = { 1, INL,     0x1E                     }; // CTSFLOWENAB
77 static UCHAR ct31[] = { 1, INL,     0x1F                     }; // CTSFLOWDSAB
78 static UCHAR ct32[] = { 1, INL,     0x20                     }; // RTSFLOWENAB
79 static UCHAR ct33[] = { 1, INL,     0x21                     }; // RTSFLOWDSAB
80 static UCHAR ct34[] = { 2, BTH,     0x22,0                   }; // ISTRIPMODE
81 static UCHAR ct35[] = { 2, BTH|END, 0x23,0                   }; // SENDBREAK
82 static UCHAR ct36[] = { 2, BTH,     0x24,0                   }; // SETERRMODE
83 //static UCHAR ct36a[]={ 3, INL,    0x24,0,0                 }; // SET_REPLACE
84
85 // The following is listed for completeness, but should never be sent directly
86 // by user-level code. It is sent only by library routines in response to data
87 // movement.
88 //static UCHAR ct37[]={ 5, BYP|VIP, 0x25,0,0,0,0             }; // FLOW PACKET
89
90 // Back to normal
91 //static UCHAR ct38[] = {11, BTH|VAR, 0x26,0,0,0,0,0,0,0,0,0,0 }; // DEF KEY SEQ
92 //static UCHAR ct39[]={ 3, BTH|END, 0x27,0,0                 }; // OPOSTON
93 //static UCHAR ct40[]={ 1, BTH|END, 0x28                     }; // OPOSTOFF
94 static UCHAR ct41[] = { 1, BYP,     0x29                     }; // RESUME
95 //static UCHAR ct42[]={ 2, BTH,     0x2A,0                   }; // TXBAUD
96 //static UCHAR ct43[]={ 2, BTH,     0x2B,0                   }; // RXBAUD
97 //static UCHAR ct44[]={ 2, BTH,     0x2C,0                   }; // MS PING
98 //static UCHAR ct45[]={ 1, BTH,     0x2D                     }; // HOTENAB
99 //static UCHAR ct46[]={ 1, BTH,     0x2E                     }; // HOTDSAB
100 //static UCHAR ct47[]={ 7, BTH,     0x2F,0,0,0,0,0,0         }; // UNIX FLAGS
101 //static UCHAR ct48[]={ 1, BTH,     0x30                     }; // DSRFLOWENAB
102 //static UCHAR ct49[]={ 1, BTH,     0x31                     }; // DSRFLOWDSAB
103 //static UCHAR ct50[]={ 1, BTH,     0x32                     }; // DTRFLOWENAB
104 //static UCHAR ct51[]={ 1, BTH,     0x33                     }; // DTRFLOWDSAB
105 //static UCHAR ct52[]={ 1, BTH,     0x34                     }; // BAUDTABRESET
106 //static UCHAR ct53[] = { 3, BTH,     0x35,0,0                 }; // BAUDREMAP
107 static UCHAR ct54[] = { 3, BTH,     0x36,0,0                 }; // CUSTOMBAUD1
108 static UCHAR ct55[] = { 3, BTH,     0x37,0,0                 }; // CUSTOMBAUD2
109 static UCHAR ct56[] = { 2, BTH|END, 0x38,0                   }; // PAUSE
110 static UCHAR ct57[] = { 1, BYP,     0x39                     }; // SUSPEND
111 static UCHAR ct58[] = { 1, BYP,     0x3A                     }; // UNSUSPEND
112 static UCHAR ct59[] = { 2, BTH,     0x3B,0                   }; // PARITYCHK
113 static UCHAR ct60[] = { 1, INL|VIP, 0x3C                     }; // BOOKMARKREQ
114 //static UCHAR ct61[]={ 2, BTH,     0x3D,0                   }; // INTERNALLOOP
115 //static UCHAR ct62[]={ 2, BTH,     0x3E,0                   }; // HOTKTIMEOUT
116 static UCHAR ct63[] = { 2, INL,     0x3F,0                   }; // SETTXON
117 static UCHAR ct64[] = { 2, INL,     0x40,0                   }; // SETTXOFF
118 //static UCHAR ct65[]={ 2, BTH,     0x41,0                   }; // SETAUTORTS
119 //static UCHAR ct66[]={ 2, BTH,     0x42,0                   }; // SETHIGHWAT
120 //static UCHAR ct67[]={ 2, BYP,     0x43,0                   }; // STARTSELFL
121 //static UCHAR ct68[]={ 2, INL,     0x44,0                   }; // ENDSELFL
122 //static UCHAR ct69[]={ 1, BYP,     0x45                     }; // HWFLOW_OFF
123 //static UCHAR ct70[]={ 1, BTH,     0x46                     }; // ODSRFL_ENAB
124 //static UCHAR ct71[]={ 1, BTH,     0x47                     }; // ODSRFL_DSAB
125 //static UCHAR ct72[]={ 1, BTH,     0x48                     }; // ODCDFL_ENAB
126 //static UCHAR ct73[]={ 1, BTH,     0x49                     }; // ODCDFL_DSAB
127 //static UCHAR ct74[]={ 2, BTH,     0x4A,0                   }; // LOADLEVEL
128 //static UCHAR ct75[]={ 2, BTH,     0x4B,0                   }; // STATDATA
129 //static UCHAR ct76[]={ 1, BYP,     0x4C                     }; // BREAK_ON
130 //static UCHAR ct77[]={ 1, BYP,     0x4D                     }; // BREAK_OFF
131 //static UCHAR ct78[]={ 1, BYP,     0x4E                     }; // GETFC
132 static UCHAR ct79[] = { 2, BYP,     0x4F,0                   }; // XMIT_NOW
133 //static UCHAR ct80[]={ 4, BTH,     0x50,0,0,0               }; // DIVISOR_LATCH
134 //static UCHAR ct81[]={ 1, BYP,     0x51                     }; // GET_STATUS
135 //static UCHAR ct82[]={ 1, BYP,     0x52                     }; // GET_TXCNT
136 //static UCHAR ct83[]={ 1, BYP,     0x53                     }; // GET_RXCNT
137 //static UCHAR ct84[]={ 1, BYP,     0x54                     }; // GET_BOXIDS
138 //static UCHAR ct85[]={10, BYP,     0x55,0,0,0,0,0,0,0,0,0   }; // ENAB_MULT
139 //static UCHAR ct86[]={ 2, BTH,     0x56,0                   }; // RCV_ENABLE
140 static UCHAR ct87[] = { 1, BYP,     0x57                     }; // HW_TEST
141 //static UCHAR ct88[]={ 3, BTH,     0x58,0,0                 }; // RCV_THRESHOLD
142 //static UCHAR ct90[]={ 3, BYP,     0x5A,0,0                 }; // Set SILO
143 //static UCHAR ct91[]={ 2, BYP,     0x5B,0                   }; // timed break
144
145 // Some composite commands as well
146 //static UCHAR cc01[]={ 2, BTH,     0x02,0x04                }; // DTR & RTS UP
147 //static UCHAR cc02[]={ 2, BTH,     0x03,0x05                }; // DTR & RTS DN
148
149 //********
150 //* Code *
151 //********
152
153 //******************************************************************************
154 // Function:   i2cmdUnixFlags(iflag, cflag, lflag)
155 // Parameters: Unix tty flags
156 //
157 // Returns:    Pointer to command structure
158 //
159 // Description:
160 //
161 // This routine sets the parameters of command 47 and returns a pointer to the
162 // appropriate structure.
163 //******************************************************************************
164 #if 0
165 cmdSyntaxPtr
166 i2cmdUnixFlags(unsigned short iflag,unsigned short cflag,unsigned short lflag)
167 {
168         cmdSyntaxPtr pCM = (cmdSyntaxPtr) ct47;
169
170         pCM->cmd[1] = (unsigned char)  iflag;
171         pCM->cmd[2] = (unsigned char) (iflag >> 8);
172         pCM->cmd[3] = (unsigned char)  cflag;
173         pCM->cmd[4] = (unsigned char) (cflag >> 8);
174         pCM->cmd[5] = (unsigned char)  lflag;
175         pCM->cmd[6] = (unsigned char) (lflag >> 8);
176         return pCM;
177 }
178 #endif  /*  0  */
179
180 //******************************************************************************
181 // Function:   i2cmdBaudDef(which, rate)
182 // Parameters: ?
183 //
184 // Returns:    Pointer to command structure
185 //
186 // Description:
187 //
188 // This routine sets the parameters of commands 54 or 55 (according to the
189 // argument which), and returns a pointer to the appropriate structure.
190 //******************************************************************************
191 static cmdSyntaxPtr
192 i2cmdBaudDef(int which, unsigned short rate)
193 {
194         cmdSyntaxPtr pCM;
195
196         switch(which)
197         {
198         case 1:
199                 pCM = (cmdSyntaxPtr) ct54;
200                 break;
201         default:
202         case 2:
203                 pCM = (cmdSyntaxPtr) ct55;
204                 break;
205         }
206         pCM->cmd[1] = (unsigned char) rate;
207         pCM->cmd[2] = (unsigned char) (rate >> 8);
208         return pCM;
209 }
210