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Staging: comedi: Remove comedi_device typedef
[GitHub/mt8127/android_kernel_alcatel_ttab.git] / drivers / staging / comedi / drivers / addi-data / hwdrv_apci1032.c
1 /**
2 @verbatim
3
4 Copyright (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
14 This 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
16 This 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
18 You 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
20 You 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>
56 //Global variables
57 UINT ui_InterruptStatus = 0;
58
59 /*
60 +----------------------------------------------------------------------------+
61 | Function Name : int i_APCI1032_ConfigDigitalInput |
62 | (struct comedi_device *dev,comedi_subdevice *s, |
63 | comedi_insn *insn,unsigned int *data) |
64 +----------------------------------------------------------------------------+
65 | Task : Configures the digital input Subdevice |
66 +----------------------------------------------------------------------------+
67 | Input Parameters : struct comedi_device *dev : Driver handle |
68 | unsigned int *data : Data Pointer contains |
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
87 INT i_APCI1032_ConfigDigitalInput(struct comedi_device * dev, comedi_subdevice * s,
88 comedi_insn * insn, unsigned int * data)
89 {
90 UINT ui_TmpValue;
91
92 ULONG ul_Command1 = 0;
93 ULONG ul_Command2 = 0;
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);
110 } //if (data[1] == ADDIDATA_OR)
111 else {
112 outl(0x6, devpriv->iobase + APCI1032_DIGITAL_IP_IRQ);
113 } //else if(data[1] == ADDIDATA_OR)
114 } // if( data[0] == ADDIDATA_ENABLE)
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);
123 } //else if ( data[0] == ADDIDATA_ENABLE)
124
125 return insn->n;
126 }
127
128 /*
129 +----------------------------------------------------------------------------+
130 | Function Name : int i_APCI1032_Read1DigitalInput |
131 | (struct comedi_device *dev,comedi_subdevice *s, |
132 | comedi_insn *insn,unsigned int *data) |
133 +----------------------------------------------------------------------------+
134 | Task : Return the status of the digital input |
135 +----------------------------------------------------------------------------+
136 | Input Parameters : struct comedi_device *dev : Driver handle |
137 | UINT ui_Channel : Channel number to read |
138 | unsigned int *data : Data Pointer to read status |
139 +----------------------------------------------------------------------------+
140 | Output Parameters : -- |
141 +----------------------------------------------------------------------------+
142 | Return Value : TRUE : No error occur |
143 | : FALSE : Error occur. Return the error |
144 | |
145 +----------------------------------------------------------------------------+
146 */
147 INT i_APCI1032_Read1DigitalInput(struct comedi_device * dev, comedi_subdevice * s,
148 comedi_insn * insn, unsigned int * data)
149 {
150 UINT ui_TmpValue = 0;
151 UINT ui_Channel;
152 ui_Channel = CR_CHAN(insn->chanspec);
153 if (ui_Channel >= 0 && ui_Channel <= 31) {
154 ui_TmpValue = (UINT) inl(devpriv->iobase + APCI1032_DIGITAL_IP);
155 // since only 1 channel reqd to bring it to last bit it is rotated
156 // 8 +(chan - 1) times then ANDed with 1 for last bit.
157 *data = (ui_TmpValue >> ui_Channel) & 0x1;
158 } //if(ui_Channel >= 0 && ui_Channel <=31)
159 else {
160 //comedi_error(dev," \n chan spec wrong\n");
161 return -EINVAL; // "sorry channel spec wrong "
162 } //else if(ui_Channel >= 0 && ui_Channel <=31)
163 return insn->n;
164 }
165
166 /*
167 +----------------------------------------------------------------------------+
168 | Function Name : int i_APCI1032_ReadMoreDigitalInput |
169 | (struct comedi_device *dev,comedi_subdevice *s, |
170 | comedi_insn *insn,unsigned int *data) |
171 +----------------------------------------------------------------------------+
172 | Task : Return the status of the Requested digital inputs |
173 +----------------------------------------------------------------------------+
174 | Input Parameters : struct comedi_device *dev : Driver handle |
175 | UINT ui_NoOfChannels : No Of Channels To be Read |
176 | UINT *data : Data Pointer to read status |
177 +----------------------------------------------------------------------------+
178 | Output Parameters : -- |
179 +----------------------------------------------------------------------------+
180 | Return Value : TRUE : No error occur |
181 | : FALSE : Error occur. Return the error |
182 | |
183 +----------------------------------------------------------------------------+
184 */
185
186 INT i_APCI1032_ReadMoreDigitalInput(struct comedi_device * dev, comedi_subdevice * s,
187 comedi_insn * insn, unsigned int * data)
188 {
189 UINT ui_PortValue = data[0];
190 UINT ui_Mask = 0;
191 UINT ui_NoOfChannels;
192
193 ui_NoOfChannels = CR_CHAN(insn->chanspec);
194 if (data[1] == 0) {
195 *data = (UINT) inl(devpriv->iobase + APCI1032_DIGITAL_IP);
196 switch (ui_NoOfChannels) {
197 case 2:
198 ui_Mask = 3;
199 *data = (*data >> (2 * ui_PortValue)) & ui_Mask;
200 break;
201 case 4:
202 ui_Mask = 15;
203 *data = (*data >> (4 * ui_PortValue)) & ui_Mask;
204 break;
205 case 8:
206 ui_Mask = 255;
207 *data = (*data >> (8 * ui_PortValue)) & ui_Mask;
208 break;
209 case 16:
210 ui_Mask = 65535;
211 *data = (*data >> (16 * ui_PortValue)) & ui_Mask;
212 break;
213 case 31:
214 break;
215 default:
216 //comedi_error(dev," \nchan spec wrong\n");
217 return -EINVAL; // "sorry channel spec wrong "
218 break;
219 } //switch(ui_NoOfChannels)
220 } //if(data[1]==0)
221 else {
222 if (data[1] == 1) {
223 *data = ui_InterruptStatus;
224 } //if(data[1]==1)
225 } //else if(data[1]==0)
226 return insn->n;
227 }
228
229 /*
230 +----------------------------------------------------------------------------+
231 | Function Name : static void v_APCI1032_Interrupt |
232 | (int irq , void *d) |
233 +----------------------------------------------------------------------------+
234 | Task : Interrupt handler for the interruptible digital inputs |
235 +----------------------------------------------------------------------------+
236 | Input Parameters : int irq : irq number |
237 | void *d : void pointer |
238 +----------------------------------------------------------------------------+
239 | Output Parameters : -- |
240 +----------------------------------------------------------------------------+
241 | Return Value : TRUE : No error occur |
242 | : FALSE : Error occur. Return the error |
243 | |
244 +----------------------------------------------------------------------------+
245 */
246 static VOID v_APCI1032_Interrupt(int irq, void *d)
247 {
248 struct comedi_device *dev = d;
249
250 UINT ui_Temp;
251 //disable the interrupt
252 ui_Temp = inl(devpriv->iobase + APCI1032_DIGITAL_IP_IRQ);
253 outl(ui_Temp & APCI1032_DIGITAL_IP_INTERRUPT_DISABLE,
254 devpriv->iobase + APCI1032_DIGITAL_IP_IRQ);
255 ui_InterruptStatus =
256 inl(devpriv->iobase + APCI1032_DIGITAL_IP_INTERRUPT_STATUS);
257 ui_InterruptStatus = ui_InterruptStatus & 0X0000FFFF;
258 send_sig(SIGIO, devpriv->tsk_Current, 0); // send signal to the sample
259 outl(ui_Temp, devpriv->iobase + APCI1032_DIGITAL_IP_IRQ); //enable the interrupt
260 return;
261 }
262
263 /*
264 +----------------------------------------------------------------------------+
265 | Function Name : int i_APCI1032_Reset(struct comedi_device *dev) | |
266 +----------------------------------------------------------------------------+
267 | Task :resets all the registers |
268 +----------------------------------------------------------------------------+
269 | Input Parameters : struct comedi_device *dev
270 +----------------------------------------------------------------------------+
271 | Output Parameters : -- |
272 +----------------------------------------------------------------------------+
273 | Return Value : |
274 | |
275 +----------------------------------------------------------------------------+
276 */
277
278 INT i_APCI1032_Reset(struct comedi_device * dev)
279 {
280 outl(0x0, devpriv->iobase + APCI1032_DIGITAL_IP_IRQ); //disable the interrupts
281 inl(devpriv->iobase + APCI1032_DIGITAL_IP_INTERRUPT_STATUS); //Reset the interrupt status register
282 outl(0x0, devpriv->iobase + APCI1032_DIGITAL_IP_INTERRUPT_MODE1); //Disable the and/or interrupt
283 outl(0x0, devpriv->iobase + APCI1032_DIGITAL_IP_INTERRUPT_MODE2);
284 return 0;
285 }
kernel source for telekom puls (alcatel/mediatek)