]> git.proxmox.com Git - mirror_ubuntu-kernels.git/blame - drivers/staging/comedi/drivers/addi-data/hwdrv_apci1032.c
projects / mirror_ubuntu-kernels.git / blame
? search:
summary | shortlog | log | commit | commitdiff | tree
blob | blame (incremental) | history | HEAD
Staging: comedi: fix "foo * bar" should be "foo *bar"
[mirror_ubuntu-kernels.git] / drivers / staging / comedi / drivers / addi-data / hwdrv_apci1032.c
CommitLineData
c995fe94
ADG		 1/**
2@verbatim
3
4Copyright (C) 2004,2005 ADDI-DATA GmbH for the source code of this module.
5
6 ADDI-DATA GmbH
7 Dieselstrasse 3
8 D-77833 Ottersweier
9 Tel: +19(0)7223/9493-0
10 Fax: +49(0)7223/9493-92
11 http://www.addi-data-com
12 info@addi-data.com
13
14This 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.
15
16This 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.
17
18You 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
19
20You shoud also find the complete GPL in the COPYING file accompanying this source code.
21
22@endverbatim
23*/
24/*
25
26 +-----------------------------------------------------------------------+
27 | (C) ADDI-DATA GmbH Dieselstraße 3 D-77833 Ottersweier |
28 +-----------------------------------------------------------------------+
29 | Tel : +49 (0) 7223/9493-0 | email : info@addi-data.com |
30 | Fax : +49 (0) 7223/9493-92 | Internet : http://www.addi-data.com |
31 +-------------------------------+---------------------------------------+
32 | Project : APCI-1032 | Compiler : GCC |
33 | Module name : hwdrv_apci1032.c| Version : 2.96 |
34 +-------------------------------+---------------------------------------+
35 | Project manager: Eric Stolz | Date : 02/12/2002 |
36 +-------------------------------+---------------------------------------+
37 | Description : Hardware Layer Acces For APCI-1032 |
38 +-----------------------------------------------------------------------+
39 | UPDATES |
40 +----------+-----------+------------------------------------------------+
41 | Date | Author | Description of updates |
42 +----------+-----------+------------------------------------------------+
43 | | | |
44 | | | |
45 | | | |
46 +----------+-----------+------------------------------------------------+
47*/
48
49/*
50+----------------------------------------------------------------------------+
51| Included files |
52+----------------------------------------------------------------------------+
53*/
54#include "hwdrv_apci1032.h"
55#include <linux/delay.h>
2696fb57 56/* Global variables */
117102b0 57unsigned int ui_InterruptStatus = 0;
c995fe94
ADG		 58
59/*
60+----------------------------------------------------------------------------+
61| Function Name : int i_APCI1032_ConfigDigitalInput |
34c43922 62| (struct comedi_device *dev,struct comedi_subdevice *s, |
90035c08 63| struct comedi_insn *insn,unsigned int *data) |
c995fe94
ADG		 64+----------------------------------------------------------------------------+
65| Task : Configures the digital input Subdevice |
66+----------------------------------------------------------------------------+
71b5f4f1 67| Input Parameters : struct comedi_device *dev : Driver handle |
790c5541 68| unsigned int *data : Data Pointer contains |
c995fe94
ADG		 69| configuration parameters as below |
70| |
71| data[0] : 1 Enable Digital Input Interrupt |
72| 0 Disable Digital Input Interrupt |
73| data[1] : 0 ADDIDATA Interrupt OR LOGIC |
74| : 1 ADDIDATA Interrupt AND LOGIC |
75| data[2] : Interrupt mask for the mode 1 |
76| data[3] : Interrupt mask for the mode 2 |
77| |
78+----------------------------------------------------------------------------+
79| Output Parameters : -- |
80+----------------------------------------------------------------------------+
81| Return Value : TRUE : No error occur |
82| : FALSE : Error occur. Return the error |
83| |
84+----------------------------------------------------------------------------+
85*/
86
da91b269
BP		 87int i_APCI1032_ConfigDigitalInput(struct comedi_device *dev, struct comedi_subdevice *s,
88 struct comedi_insn *insn, unsigned int *data)
c995fe94 89{
117102b0 90 unsigned int ui_TmpValue;
c995fe94 91
82a6e2e7
BP		 92 unsigned int ul_Command1 = 0;
93 unsigned int ul_Command2 = 0;
c995fe94
ADG		 94 devpriv->tsk_Current = current;
95
96 /*******************************/
97 /* Set the digital input logic */
98 /*******************************/
99 if (data[0] == ADDIDATA_ENABLE) {
100 ul_Command1 = ul_Command1 | data[2];
101 ul_Command2 = ul_Command2 | data[3];
102 outl(ul_Command1,
103 devpriv->iobase + APCI1032_DIGITAL_IP_INTERRUPT_MODE1);
104 outl(ul_Command2,
105 devpriv->iobase + APCI1032_DIGITAL_IP_INTERRUPT_MODE2);
106 if (data[1] == ADDIDATA_OR) {
107 outl(0x4, devpriv->iobase + APCI1032_DIGITAL_IP_IRQ);
108 ui_TmpValue =
109 inl(devpriv->iobase + APCI1032_DIGITAL_IP_IRQ);
2696fb57 110 } /* if (data[1] == ADDIDATA_OR) */
c995fe94
ADG		 111 else {
112 outl(0x6, devpriv->iobase + APCI1032_DIGITAL_IP_IRQ);
2696fb57
BP		 113 } /* else if(data[1] == ADDIDATA_OR) */
114 } /* if( data[0] == ADDIDATA_ENABLE) */
c995fe94
ADG		 115 else {
116 ul_Command1 = ul_Command1 & 0xFFFF0000;
117 ul_Command2 = ul_Command2 & 0xFFFF0000;
118 outl(ul_Command1,
119 devpriv->iobase + APCI1032_DIGITAL_IP_INTERRUPT_MODE1);
120 outl(ul_Command2,
121 devpriv->iobase + APCI1032_DIGITAL_IP_INTERRUPT_MODE2);
122 outl(0x0, devpriv->iobase + APCI1032_DIGITAL_IP_IRQ);
2696fb57 123 } /* else if ( data[0] == ADDIDATA_ENABLE) */
c995fe94
ADG		 124
125 return insn->n;
126}
127
128/*
129+----------------------------------------------------------------------------+
130| Function Name : int i_APCI1032_Read1DigitalInput |
34c43922 131| (struct comedi_device *dev,struct comedi_subdevice *s, |
90035c08 132| struct comedi_insn *insn,unsigned int *data) |
c995fe94
ADG		 133+----------------------------------------------------------------------------+
134| Task : Return the status of the digital input |
135+----------------------------------------------------------------------------+
71b5f4f1 136| Input Parameters : struct comedi_device *dev : Driver handle |
117102b0 137| unsigned int ui_Channel : Channel number to read |
790c5541 138| unsigned int *data : Data Pointer to read status |
c995fe94
ADG		 139+----------------------------------------------------------------------------+
140| Output Parameters : -- |
141+----------------------------------------------------------------------------+
142| Return Value : TRUE : No error occur |
143| : FALSE : Error occur. Return the error |
144| |
145+----------------------------------------------------------------------------+
146*/
da91b269
BP		 147int i_APCI1032_Read1DigitalInput(struct comedi_device *dev, struct comedi_subdevice *s,
148 struct comedi_insn *insn, unsigned int *data)
c995fe94 149{
117102b0
BP		 150 unsigned int ui_TmpValue = 0;
151 unsigned int ui_Channel;
c995fe94
ADG		 152 ui_Channel = CR_CHAN(insn->chanspec);
153 if (ui_Channel >= 0 && ui_Channel <= 31) {
117102b0 154 ui_TmpValue = (unsigned int) inl(devpriv->iobase + APCI1032_DIGITAL_IP);
2696fb57
BP		 155/*
156* since only 1 channel reqd to bring it to last bit it is rotated 8
157* +(chan - 1) times then ANDed with 1 for last bit.
158*/
c995fe94 159 *data = (ui_TmpValue >> ui_Channel) & 0x1;
2696fb57 160 } /* if(ui_Channel >= 0 && ui_Channel <=31) */
c995fe94 161 else {
2696fb57
BP		 162 /* comedi_error(dev," \n chan spec wrong\n"); */
163 return -EINVAL; /* "sorry channel spec wrong " */
164 } /* else if(ui_Channel >= 0 && ui_Channel <=31) */
c995fe94
ADG		 165 return insn->n;
166}
167
168/*
169+----------------------------------------------------------------------------+
170| Function Name : int i_APCI1032_ReadMoreDigitalInput |
34c43922 171| (struct comedi_device *dev,struct comedi_subdevice *s, |
90035c08 172| struct comedi_insn *insn,unsigned int *data) |
c995fe94
ADG		 173+----------------------------------------------------------------------------+
174| Task : Return the status of the Requested digital inputs |
175+----------------------------------------------------------------------------+
71b5f4f1 176| Input Parameters : struct comedi_device *dev : Driver handle |
117102b0
BP		 177| unsigned int ui_NoOfChannels : No Of Channels To be Read |
178| unsigned int *data : Data Pointer to read status |
c995fe94
ADG		 179+----------------------------------------------------------------------------+
180| Output Parameters : -- |
181+----------------------------------------------------------------------------+
182| Return Value : TRUE : No error occur |
183| : FALSE : Error occur. Return the error |
184| |
185+----------------------------------------------------------------------------+
186*/
187
da91b269
BP		 188int i_APCI1032_ReadMoreDigitalInput(struct comedi_device *dev, struct comedi_subdevice *s,
189 struct comedi_insn *insn, unsigned int *data)
c995fe94 190{
117102b0
BP		 191 unsigned int ui_PortValue = data[0];
192 unsigned int ui_Mask = 0;
193 unsigned int ui_NoOfChannels;
c995fe94
ADG		 194
195 ui_NoOfChannels = CR_CHAN(insn->chanspec);
196 if (data[1] == 0) {
117102b0 197 *data = (unsigned int) inl(devpriv->iobase + APCI1032_DIGITAL_IP);
c995fe94
ADG		 198 switch (ui_NoOfChannels) {
199 case 2:
200 ui_Mask = 3;
201 *data = (*data >> (2 * ui_PortValue)) & ui_Mask;
202 break;
203 case 4:
204 ui_Mask = 15;
205 *data = (*data >> (4 * ui_PortValue)) & ui_Mask;
206 break;
207 case 8:
208 ui_Mask = 255;
209 *data = (*data >> (8 * ui_PortValue)) & ui_Mask;
210 break;
211 case 16:
212 ui_Mask = 65535;
213 *data = (*data >> (16 * ui_PortValue)) & ui_Mask;
214 break;
215 case 31:
216 break;
217 default:
2696fb57
BP		 218 /* comedi_error(dev," \nchan spec wrong\n"); */
219 return -EINVAL; /* "sorry channel spec wrong " */
c995fe94 220 break;
2696fb57
BP		 221 } /* switch(ui_NoOfChannels) */
222 } /* if(data[1]==0) */
c995fe94
ADG		 223 else {
224 if (data[1] == 1) {
225 *data = ui_InterruptStatus;
2696fb57
BP		 226 } /* if(data[1]==1) */
227 } /* else if(data[1]==0) */
c995fe94
ADG		 228 return insn->n;
229}
230
231/*
232+----------------------------------------------------------------------------+
233| Function Name : static void v_APCI1032_Interrupt |
234| (int irq , void *d) |
235+----------------------------------------------------------------------------+
236| Task : Interrupt handler for the interruptible digital inputs |
237+----------------------------------------------------------------------------+
238| Input Parameters : int irq : irq number |
239| void *d : void pointer |
240+----------------------------------------------------------------------------+
241| Output Parameters : -- |
242+----------------------------------------------------------------------------+
243| Return Value : TRUE : No error occur |
244| : FALSE : Error occur. Return the error |
245| |
246+----------------------------------------------------------------------------+
247*/
3019b410 248static void v_APCI1032_Interrupt(int irq, void *d)
c995fe94 249{
71b5f4f1 250 struct comedi_device *dev = d;
c995fe94 251
117102b0 252 unsigned int ui_Temp;
2696fb57 253 /* disable the interrupt */
c995fe94
ADG		 254 ui_Temp = inl(devpriv->iobase + APCI1032_DIGITAL_IP_IRQ);
255 outl(ui_Temp & APCI1032_DIGITAL_IP_INTERRUPT_DISABLE,
256 devpriv->iobase + APCI1032_DIGITAL_IP_IRQ);
257 ui_InterruptStatus =
258 inl(devpriv->iobase + APCI1032_DIGITAL_IP_INTERRUPT_STATUS);
259 ui_InterruptStatus = ui_InterruptStatus & 0X0000FFFF;
2696fb57
BP		 260 send_sig(SIGIO, devpriv->tsk_Current, 0); /* send signal to the sample */
261 outl(ui_Temp, devpriv->iobase + APCI1032_DIGITAL_IP_IRQ); /* enable the interrupt */
c995fe94
ADG		 262 return;
263}
264
265/*
266+----------------------------------------------------------------------------+
71b5f4f1 267| Function Name : int i_APCI1032_Reset(struct comedi_device *dev) | |
c995fe94
ADG		 268+----------------------------------------------------------------------------+
269| Task :resets all the registers |
270+----------------------------------------------------------------------------+
71b5f4f1 271| Input Parameters : struct comedi_device *dev
c995fe94
ADG		 272+----------------------------------------------------------------------------+
273| Output Parameters : -- |
274+----------------------------------------------------------------------------+
275| Return Value : |
276| |
277+----------------------------------------------------------------------------+
278*/
279
da91b269 280int i_APCI1032_Reset(struct comedi_device *dev)
c995fe94 281{
2696fb57
BP		 282 outl(0x0, devpriv->iobase + APCI1032_DIGITAL_IP_IRQ); /* disable the interrupts */
283 inl(devpriv->iobase + APCI1032_DIGITAL_IP_INTERRUPT_STATUS); /* Reset the interrupt status register */
284 outl(0x0, devpriv->iobase + APCI1032_DIGITAL_IP_INTERRUPT_MODE1); /* Disable the and/or interrupt */
c995fe94
ADG		 285 outl(0x0, devpriv->iobase + APCI1032_DIGITAL_IP_INTERRUPT_MODE2);
286 return 0;
287}
Ubuntu combined Linux kernel mirror