Linux kernel & device driver programming

Cross-Referenced Linux and Device Driver Code

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Version: [ 2.6.11.8 ] [ 2.6.25 ] [ 2.6.25.8 ] [ 2.6.31.13 ] Architecture: [ i386 ]
  1 
  2 /*
  3  *  sx.h
  4  *
  5  *  Copyright (C) 1998/1999 R.E.Wolff@BitWizard.nl
  6  *
  7  *  SX serial driver.
  8  *  -- Supports SI, XIO and SX host cards. 
  9  *  -- Supports TAs, MTAs and SXDCs.
 10  *
 11  *  Version 1.3 -- March, 1999. 
 12  * 
 13  */
 14 
 15 #define SX_NBOARDS        4
 16 #define SX_PORTSPERBOARD 32
 17 #define SX_NPORTS        (SX_NBOARDS * SX_PORTSPERBOARD)
 18 
 19 #ifdef __KERNEL__
 20 
 21 #define SX_MAGIC 0x12345678
 22 
 23 struct sx_port {
 24   struct gs_port          gs;
 25   struct wait_queue       *shutdown_wait;
 26   int                     ch_base;
 27   int                     c_dcd;
 28   struct sx_board         *board;
 29   int                     line;
 30   long                    locks;
 31 };
 32 
 33 struct sx_board {
 34   int magic;
 35   void __iomem *base;
 36   void __iomem *base2;
 37   unsigned long hw_base;
 38   int eisa_base;
 39   int port_base; /* Number of the first port */
 40   struct sx_port *ports;
 41   int nports;
 42   int flags;
 43   int irq;
 44   int poll;
 45   int ta_type;
 46   struct timer_list       timer;
 47   long                    locks;
 48 };
 49 
 50 struct vpd_prom {
 51   unsigned short id;
 52   char hwrev;
 53   char hwass;
 54   int uniqid;
 55   char myear;
 56   char mweek;
 57   char hw_feature[5];
 58   char oem_id;
 59   char identifier[16];
 60 };
 61 
 62 #ifndef MOD_RS232DB25MALE
 63 #define MOD_RS232DB25MALE 0x0a
 64 #endif
 65 
 66 #define SI_ISA_BOARD         0x00000001
 67 #define SX_ISA_BOARD         0x00000002
 68 #define SX_PCI_BOARD         0x00000004
 69 #define SX_CFPCI_BOARD       0x00000008
 70 #define SX_CFISA_BOARD       0x00000010
 71 #define SI_EISA_BOARD        0x00000020
 72 #define SI1_ISA_BOARD        0x00000040
 73 
 74 #define SX_BOARD_PRESENT     0x00001000
 75 #define SX_BOARD_INITIALIZED 0x00002000
 76 #define SX_IRQ_ALLOCATED     0x00004000
 77 
 78 #define SX_BOARD_TYPE        0x000000ff
 79 
 80 #define IS_SX_BOARD(board) (board->flags & (SX_PCI_BOARD | SX_CFPCI_BOARD | \
 81                                             SX_ISA_BOARD | SX_CFISA_BOARD))
 82 
 83 #define IS_SI_BOARD(board) (board->flags & SI_ISA_BOARD)
 84 #define IS_SI1_BOARD(board) (board->flags & SI1_ISA_BOARD)
 85 
 86 #define IS_EISA_BOARD(board) (board->flags & SI_EISA_BOARD)
 87 
 88 #define IS_CF_BOARD(board) (board->flags & (SX_CFISA_BOARD | SX_CFPCI_BOARD))
 89 
 90 #define SERIAL_TYPE_NORMAL 1
 91 
 92 /* The SI processor clock is required to calculate the cc_int_count register
 93    value for the SI cards. */
 94 #define SI_PROCESSOR_CLOCK 25000000
 95 
 96 
 97 /* port flags */
 98 /* Make sure these don't clash with gs flags or async flags */
 99 #define SX_RX_THROTTLE        0x0000001
100 
101 
102 
103 #define SX_PORT_TRANSMIT_LOCK  0
104 #define SX_BOARD_INTR_LOCK     0
105 
106 
107 
108 /* Debug flags. Add these together to get more debug info. */
109 
110 #define SX_DEBUG_OPEN          0x00000001
111 #define SX_DEBUG_SETTING       0x00000002
112 #define SX_DEBUG_FLOW          0x00000004
113 #define SX_DEBUG_MODEMSIGNALS  0x00000008
114 #define SX_DEBUG_TERMIOS       0x00000010
115 #define SX_DEBUG_TRANSMIT      0x00000020
116 #define SX_DEBUG_RECEIVE       0x00000040
117 #define SX_DEBUG_INTERRUPTS    0x00000080
118 #define SX_DEBUG_PROBE         0x00000100
119 #define SX_DEBUG_INIT          0x00000200
120 #define SX_DEBUG_CLEANUP       0x00000400
121 #define SX_DEBUG_CLOSE         0x00000800
122 #define SX_DEBUG_FIRMWARE      0x00001000
123 #define SX_DEBUG_MEMTEST       0x00002000
124 
125 #define SX_DEBUG_ALL           0xffffffff
126 
127 
128 #define O_OTHER(tty)    \
129       ((O_OLCUC(tty))  ||\
130       (O_ONLCR(tty))   ||\
131       (O_OCRNL(tty))   ||\
132       (O_ONOCR(tty))   ||\
133       (O_ONLRET(tty))  ||\
134       (O_OFILL(tty))   ||\
135       (O_OFDEL(tty))   ||\
136       (O_NLDLY(tty))   ||\
137       (O_CRDLY(tty))   ||\
138       (O_TABDLY(tty))  ||\
139       (O_BSDLY(tty))   ||\
140       (O_VTDLY(tty))   ||\
141       (O_FFDLY(tty)))
142 
143 /* Same for input. */
144 #define I_OTHER(tty)    \
145       ((I_INLCR(tty))  ||\
146       (I_IGNCR(tty))   ||\
147       (I_ICRNL(tty))   ||\
148       (I_IUCLC(tty))   ||\
149       (L_ISIG(tty)))
150 
151 #define MOD_TA   (        TA>>4)
152 #define MOD_MTA  (MTA_CD1400>>4)
153 #define MOD_SXDC (      SXDC>>4)
154 
155 
156 /* We copy the download code over to the card in chunks of ... bytes */
157 #define SX_CHUNK_SIZE 128
158 
159 #endif /* __KERNEL__ */
160 
161 
162 
163 /* Specialix document 6210046-11 page 3 */
164 #define SPX(X) (('S'<<24) | ('P' << 16) | (X))
165 
166 /* Specialix-Linux specific IOCTLS. */
167 #define SPXL(X) (SPX(('L' << 8) | (X)))
168 
169 
170 #define SXIO_SET_BOARD      SPXL(0x01)
171 #define SXIO_GET_TYPE       SPXL(0x02)
172 #define SXIO_DOWNLOAD       SPXL(0x03)
173 #define SXIO_INIT           SPXL(0x04)
174 #define SXIO_SETDEBUG       SPXL(0x05)
175 #define SXIO_GETDEBUG       SPXL(0x06)
176 #define SXIO_DO_RAMTEST     SPXL(0x07)
177 #define SXIO_SETGSDEBUG     SPXL(0x08)
178 #define SXIO_GETGSDEBUG     SPXL(0x09)
179 #define SXIO_GETNPORTS      SPXL(0x0a)
180 
181 
182 #ifndef SXCTL_MISC_MINOR 
183 /* Allow others to gather this into "major.h" or something like that */
184 #define SXCTL_MISC_MINOR    167
185 #endif
186 
187 #ifndef SX_NORMAL_MAJOR
188 /* This allows overriding on the compiler commandline, or in a "major.h" 
189    include or something like that */
190 #define SX_NORMAL_MAJOR  32
191 #define SX_CALLOUT_MAJOR 33
192 #endif
193 
194 
195 #define SX_TYPE_SX          0x01
196 #define SX_TYPE_SI          0x02
197 #define SX_TYPE_CF          0x03
198 
199 
200 #define WINDOW_LEN(board) (IS_CF_BOARD(board)?0x20000:SX_WINDOW_LEN)
201 /*                         Need a #define for ^^^^^^^ !!! */
202 
203 
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