ia64/linux-2.6.18-xen.hg

view drivers/char/sx.h @ 893:f994bfe9b93b

linux/blktap2: reduce TLB flush scope

c/s 885 added very coarse TLB flushing. Since these flushes always
follow single page updates, single page flushes (when available) are
sufficient.

Signed-off-by: Jan Beulich <jbeulich@novell.com>
author Keir Fraser <keir.fraser@citrix.com>
date Thu Jun 04 10:32:57 2009 +0100 (2009-06-04)
parents 831230e53067
children
line source
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 */
15 #define SX_NBOARDS 4
16 #define SX_PORTSPERBOARD 32
17 #define SX_NPORTS (SX_NBOARDS * SX_PORTSPERBOARD)
19 #ifdef __KERNEL__
21 #define SX_MAGIC 0x12345678
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 };
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 };
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 };
62 #ifndef MOD_RS232DB25MALE
63 #define MOD_RS232DB25MALE 0x0a
64 #endif
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
74 #define SX_BOARD_PRESENT 0x00001000
75 #define SX_BOARD_INITIALIZED 0x00002000
76 #define SX_IRQ_ALLOCATED 0x00004000
78 #define SX_BOARD_TYPE 0x000000ff
80 #define IS_SX_BOARD(board) (board->flags & (SX_PCI_BOARD | SX_CFPCI_BOARD | \
81 SX_ISA_BOARD | SX_CFISA_BOARD))
83 #define IS_SI_BOARD(board) (board->flags & SI_ISA_BOARD)
84 #define IS_SI1_BOARD(board) (board->flags & SI1_ISA_BOARD)
86 #define IS_EISA_BOARD(board) (board->flags & SI_EISA_BOARD)
88 #define IS_CF_BOARD(board) (board->flags & (SX_CFISA_BOARD | SX_CFPCI_BOARD))
90 #define SERIAL_TYPE_NORMAL 1
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
97 /* port flags */
98 /* Make sure these don't clash with gs flags or async flags */
99 #define SX_RX_THROTTLE 0x0000001
103 #define SX_PORT_TRANSMIT_LOCK 0
104 #define SX_BOARD_INTR_LOCK 0
108 /* Debug flags. Add these together to get more debug info. */
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
125 #define SX_DEBUG_ALL 0xffffffff
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)))
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)))
151 #define MOD_TA ( TA>>4)
152 #define MOD_MTA (MTA_CD1400>>4)
153 #define MOD_SXDC ( SXDC>>4)
156 /* We copy the download code over to the card in chunks of ... bytes */
157 #define SX_CHUNK_SIZE 128
159 #endif /* __KERNEL__ */
163 /* Specialix document 6210046-11 page 3 */
164 #define SPX(X) (('S'<<24) | ('P' << 16) | (X))
166 /* Specialix-Linux specific IOCTLS. */
167 #define SPXL(X) (SPX(('L' << 8) | (X)))
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)
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
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
195 #define SX_TYPE_SX 0x01
196 #define SX_TYPE_SI 0x02
197 #define SX_TYPE_CF 0x03
200 #define WINDOW_LEN(board) (IS_CF_BOARD(board)?0x20000:SX_WINDOW_LEN)
201 /* Need a #define for ^^^^^^^ !!! */