1 /*
2  * comedi/drivers/adv_pci_dio.c
3  *
4  * Author: Michal Dobes <dobes@tesnet.cz>
5  *
6  *  Hardware driver for Advantech PCI DIO cards.
7 */
8 /*
9 Driver: adv_pci_dio
10 Description: Advantech PCI-1730, PCI-1733, PCI-1734, PCI-1735U,
11 	PCI-1736UP, PCI-1739U, PCI-1750, PCI-1751, PCI-1752,
12 	PCI-1753/E, PCI-1754, PCI-1756, PCI-1760, PCI-1762
13 Author: Michal Dobes <dobes@tesnet.cz>
14 Devices: [Advantech] PCI-1730 (adv_pci_dio), PCI-1733,
15   PCI-1734, PCI-1735U, PCI-1736UP, PCI-1739U, PCI-1750,
16   PCI-1751, PCI-1752, PCI-1753,
17   PCI-1753+PCI-1753E, PCI-1754, PCI-1756,
18   PCI-1760, PCI-1762
19 Status: untested
20 Updated: Mon, 09 Jan 2012 12:40:46 +0000
21 
22 This driver supports now only insn interface for DI/DO/DIO.
23 
24 Configuration options:
25   [0] - PCI bus of device (optional)
26   [1] - PCI slot of device (optional)
27 	If bus/slot is not specified, the first available PCI
28 	device will be used.
29 
30 */
31 
32 #include <linux/module.h>
33 #include <linux/delay.h>
34 
35 #include "../comedi_pci.h"
36 
37 #include "8255.h"
38 #include "comedi_8254.h"
39 
40 /* hardware types of the cards */
41 enum hw_cards_id {
42 	TYPE_PCI1730, TYPE_PCI1733, TYPE_PCI1734, TYPE_PCI1735, TYPE_PCI1736,
43 	TYPE_PCI1739,
44 	TYPE_PCI1750,
45 	TYPE_PCI1751,
46 	TYPE_PCI1752,
47 	TYPE_PCI1753, TYPE_PCI1753E,
48 	TYPE_PCI1754, TYPE_PCI1756,
49 	TYPE_PCI1760,
50 	TYPE_PCI1762
51 };
52 
53 /* which I/O instructions to use */
54 enum hw_io_access {
55 	IO_8b, IO_16b
56 };
57 
58 #define MAX_DI_SUBDEVS	2	/* max number of DI subdevices per card */
59 #define MAX_DO_SUBDEVS	2	/* max number of DO subdevices per card */
60 #define MAX_DIO_SUBDEVG	2	/* max number of DIO subdevices group per
61 				 * card */
62 
63 #define PCIDIO_MAINREG	   2	/* main I/O region for all Advantech cards? */
64 
65 /* Register offset definitions */
66 /*  Advantech PCI-1730/3/4 */
67 #define PCI1730_IDI	   0	/* R:   Isolated digital input  0-15 */
68 #define PCI1730_IDO	   0	/* W:   Isolated digital output 0-15 */
69 #define PCI1730_DI	   2	/* R:   Digital input  0-15 */
70 #define PCI1730_DO	   2	/* W:   Digital output 0-15 */
71 #define PCI1733_IDI	   0	/* R:   Isolated digital input  0-31 */
72 #define	PCI1730_3_INT_EN	0x08	/* R/W: enable/disable interrupts */
73 #define	PCI1730_3_INT_RF	0x0c	/* R/W: set falling/raising edge for
74 					 * interrupts */
75 #define	PCI1730_3_INT_CLR	0x10	/* R/W: clear interrupts */
76 #define PCI1734_IDO	   0	/* W:   Isolated digital output 0-31 */
77 #define PCI173x_BOARDID	   4	/* R:   Board I/D switch for 1730/3/4 */
78 
79 /* Advantech PCI-1735U */
80 #define PCI1735_DI	   0	/* R:   Digital input  0-31 */
81 #define PCI1735_DO	   0	/* W:   Digital output 0-31 */
82 #define PCI1735_C8254	   4	/* R/W: 8254 counter */
83 #define PCI1735_BOARDID	   8    /* R:   Board I/D switch for 1735U */
84 
85 /*  Advantech PCI-1736UP */
86 #define PCI1736_IDI        0	/* R:   Isolated digital input  0-15 */
87 #define PCI1736_IDO        0	/* W:   Isolated digital output 0-15 */
88 #define PCI1736_3_INT_EN        0x08	/* R/W: enable/disable interrupts */
89 #define PCI1736_3_INT_RF        0x0c	/* R/W: set falling/raising edge for
90 					 * interrupts */
91 #define PCI1736_3_INT_CLR       0x10	/* R/W: clear interrupts */
92 #define PCI1736_BOARDID    4	/* R:   Board I/D switch for 1736UP */
93 #define PCI1736_MAINREG    0	/* Normal register (2) doesn't work */
94 
95 /* Advantech PCI-1739U */
96 #define PCI1739_DIO	   0	/* R/W: begin of 8255 registers block */
97 #define PCI1739_ICR	  32	/* W:   Interrupt control register */
98 #define PCI1739_ISR	  32	/* R:   Interrupt status register */
99 #define PCI1739_BOARDID	   8    /* R:   Board I/D switch for 1739U */
100 
101 /*  Advantech PCI-1750 */
102 #define PCI1750_IDI	   0	/* R:   Isolated digital input  0-15 */
103 #define PCI1750_IDO	   0	/* W:   Isolated digital output 0-15 */
104 #define PCI1750_ICR	  32	/* W:   Interrupt control register */
105 #define PCI1750_ISR	  32	/* R:   Interrupt status register */
106 
107 /*  Advantech PCI-1751/3/3E */
108 #define PCI1751_DIO	   0	/* R/W: begin of 8255 registers block */
109 #define PCI1751_CNT	  24	/* R/W: begin of 8254 registers block */
110 #define PCI1751_ICR	  32	/* W:   Interrupt control register */
111 #define PCI1751_ISR	  32	/* R:   Interrupt status register */
112 #define PCI1753_DIO	   0	/* R/W: begin of 8255 registers block */
113 #define PCI1753_ICR0	  16	/* R/W: Interrupt control register group 0 */
114 #define PCI1753_ICR1	  17	/* R/W: Interrupt control register group 1 */
115 #define PCI1753_ICR2	  18	/* R/W: Interrupt control register group 2 */
116 #define PCI1753_ICR3	  19	/* R/W: Interrupt control register group 3 */
117 #define PCI1753E_DIO	  32	/* R/W: begin of 8255 registers block */
118 #define PCI1753E_ICR0	  48	/* R/W: Interrupt control register group 0 */
119 #define PCI1753E_ICR1	  49	/* R/W: Interrupt control register group 1 */
120 #define PCI1753E_ICR2	  50	/* R/W: Interrupt control register group 2 */
121 #define PCI1753E_ICR3	  51	/* R/W: Interrupt control register group 3 */
122 
123 /*  Advantech PCI-1752/4/6 */
124 #define PCI1752_IDO	   0	/* R/W: Digital output  0-31 */
125 #define PCI1752_IDO2	   4	/* R/W: Digital output 32-63 */
126 #define PCI1754_IDI	   0	/* R:   Digital input   0-31 */
127 #define PCI1754_IDI2	   4	/* R:   Digital input  32-64 */
128 #define PCI1756_IDI	   0	/* R:   Digital input   0-31 */
129 #define PCI1756_IDO	   4	/* R/W: Digital output  0-31 */
130 #define PCI1754_6_ICR0	0x08	/* R/W: Interrupt control register group 0 */
131 #define PCI1754_6_ICR1	0x0a	/* R/W: Interrupt control register group 1 */
132 #define PCI1754_ICR2	0x0c	/* R/W: Interrupt control register group 2 */
133 #define PCI1754_ICR3	0x0e	/* R/W: Interrupt control register group 3 */
134 #define PCI1752_6_CFC	0x12	/* R/W: set/read channel freeze function */
135 #define PCI175x_BOARDID	0x10	/* R:   Board I/D switch for 1752/4/6 */
136 
137 /*  Advantech PCI-1762 registers */
138 #define PCI1762_RO	   0	/* R/W: Relays status/output */
139 #define PCI1762_IDI	   2	/* R:   Isolated input status */
140 #define PCI1762_BOARDID	   4	/* R:   Board I/D switch */
141 #define PCI1762_ICR	   6	/* W:   Interrupt control register */
142 #define PCI1762_ISR	   6	/* R:   Interrupt status register */
143 
144 /*  Advantech PCI-1760 registers */
145 #define OMB0		0x0c	/* W:   Mailbox outgoing registers */
146 #define OMB1		0x0d
147 #define OMB2		0x0e
148 #define OMB3		0x0f
149 #define IMB0		0x1c	/* R:   Mailbox incoming registers */
150 #define IMB1		0x1d
151 #define IMB2		0x1e
152 #define IMB3		0x1f
153 #define INTCSR0		0x38	/* R/W: Interrupt control registers */
154 #define INTCSR1		0x39
155 #define INTCSR2		0x3a
156 #define INTCSR3		0x3b
157 
158 /*  PCI-1760 mailbox commands */
159 #define CMD_ClearIMB2		0x00	/* Clear IMB2 status and return actual
160 					 * DI status in IMB3 */
161 #define CMD_SetRelaysOutput	0x01	/* Set relay output from OMB0 */
162 #define CMD_GetRelaysStatus	0x02	/* Get relay status to IMB0 */
163 #define CMD_ReadCurrentStatus	0x07	/* Read the current status of the
164 					 * register in OMB0, result in IMB0 */
165 #define CMD_ReadFirmwareVersion	0x0e	/* Read the firmware ver., result in
166 					 * IMB1.IMB0 */
167 #define CMD_ReadHardwareVersion	0x0f	/* Read the hardware ver., result in
168 					 * IMB1.IMB0 */
169 #define CMD_EnableIDIFilters	0x20	/* Enable IDI filters based on bits in
170 					 * OMB0 */
171 #define CMD_EnableIDIPatternMatch 0x21	/* Enable IDI pattern match based on
172 					 * bits in OMB0 */
173 #define CMD_SetIDIPatternMatch	0x22	/* Enable IDI pattern match based on
174 					 * bits in OMB0 */
175 #define CMD_EnableIDICounters	0x28	/* Enable IDI counters based on bits in
176 					 * OMB0 */
177 #define CMD_ResetIDICounters	0x29	/* Reset IDI counters based on bits in
178 					 * OMB0 to its reset values */
179 #define CMD_OverflowIDICounters	0x2a	/* Enable IDI counters overflow
180 					 * interrupts  based on bits in OMB0 */
181 #define CMD_MatchIntIDICounters	0x2b	/* Enable IDI counters match value
182 					 * interrupts  based on bits in OMB0 */
183 #define CMD_EdgeIDICounters	0x2c	/* Set IDI up counters count edge (bit=0
184 					 * - rising, =1 - falling) */
185 #define CMD_GetIDICntCurValue	0x2f	/* Read IDI{OMB0} up counter current
186 					 * value */
187 #define CMD_SetIDI0CntResetValue 0x40	/* Set IDI0 Counter Reset Value
188 					 * 256*OMB1+OMB0 */
189 #define CMD_SetIDI1CntResetValue 0x41	/* Set IDI1 Counter Reset Value
190 					 * 256*OMB1+OMB0 */
191 #define CMD_SetIDI2CntResetValue 0x42	/* Set IDI2 Counter Reset Value
192 					 * 256*OMB1+OMB0 */
193 #define CMD_SetIDI3CntResetValue 0x43	/* Set IDI3 Counter Reset Value
194 					 * 256*OMB1+OMB0 */
195 #define CMD_SetIDI4CntResetValue 0x44	/* Set IDI4 Counter Reset Value
196 					 * 256*OMB1+OMB0 */
197 #define CMD_SetIDI5CntResetValue 0x45	/* Set IDI5 Counter Reset Value
198 					 * 256*OMB1+OMB0 */
199 #define CMD_SetIDI6CntResetValue 0x46	/* Set IDI6 Counter Reset Value
200 					 * 256*OMB1+OMB0 */
201 #define CMD_SetIDI7CntResetValue 0x47	/* Set IDI7 Counter Reset Value
202 					 * 256*OMB1+OMB0 */
203 #define CMD_SetIDI0CntMatchValue 0x48	/* Set IDI0 Counter Match Value
204 					 * 256*OMB1+OMB0 */
205 #define CMD_SetIDI1CntMatchValue 0x49	/* Set IDI1 Counter Match Value
206 					 * 256*OMB1+OMB0 */
207 #define CMD_SetIDI2CntMatchValue 0x4a	/* Set IDI2 Counter Match Value
208 					 * 256*OMB1+OMB0 */
209 #define CMD_SetIDI3CntMatchValue 0x4b	/* Set IDI3 Counter Match Value
210 					 * 256*OMB1+OMB0 */
211 #define CMD_SetIDI4CntMatchValue 0x4c	/* Set IDI4 Counter Match Value
212 					 * 256*OMB1+OMB0 */
213 #define CMD_SetIDI5CntMatchValue 0x4d	/* Set IDI5 Counter Match Value
214 					 * 256*OMB1+OMB0 */
215 #define CMD_SetIDI6CntMatchValue 0x4e	/* Set IDI6 Counter Match Value
216 					 * 256*OMB1+OMB0 */
217 #define CMD_SetIDI7CntMatchValue 0x4f	/* Set IDI7 Counter Match Value
218 					 * 256*OMB1+OMB0 */
219 
220 #define OMBCMD_RETRY	0x03	/* 3 times try request before error */
221 
222 struct diosubd_data {
223 	int chans;		/*  num of chans */
224 	int addr;		/*  PCI address ofset */
225 	int regs;		/*  number of registers to read or 8255
226 				    subdevices */
227 	unsigned int specflags;	/*  addon subdevice flags */
228 };
229 
230 struct dio_boardtype {
231 	const char *name;	/*  board name */
232 	int main_pci_region;	/*  main I/O PCI region */
233 	enum hw_cards_id cardtype;
234 	int nsubdevs;
235 	struct diosubd_data sdi[MAX_DI_SUBDEVS];	/*  DI chans */
236 	struct diosubd_data sdo[MAX_DO_SUBDEVS];	/*  DO chans */
237 	struct diosubd_data sdio[MAX_DIO_SUBDEVG];	/*  DIO 8255 chans */
238 	struct diosubd_data boardid;	/*  card supports board ID switch */
239 	unsigned long timer_regbase;
240 	enum hw_io_access io_access;
241 };
242 
243 static const struct dio_boardtype boardtypes[] = {
244 	[TYPE_PCI1730] = {
245 		.name		= "pci1730",
246 		.main_pci_region = PCIDIO_MAINREG,
247 		.cardtype	= TYPE_PCI1730,
248 		.nsubdevs	= 5,
249 		.sdi[0]		= { 16, PCI1730_DI, 2, 0, },
250 		.sdi[1]		= { 16, PCI1730_IDI, 2, 0, },
251 		.sdo[0]		= { 16, PCI1730_DO, 2, 0, },
252 		.sdo[1]		= { 16, PCI1730_IDO, 2, 0, },
253 		.boardid	= { 4, PCI173x_BOARDID, 1, SDF_INTERNAL, },
254 		.io_access	= IO_8b,
255 	},
256 	[TYPE_PCI1733] = {
257 		.name		= "pci1733",
258 		.main_pci_region = PCIDIO_MAINREG,
259 		.cardtype	= TYPE_PCI1733,
260 		.nsubdevs	= 2,
261 		.sdi[1]		= { 32, PCI1733_IDI, 4, 0, },
262 		.boardid	= { 4, PCI173x_BOARDID, 1, SDF_INTERNAL, },
263 		.io_access	= IO_8b,
264 	},
265 	[TYPE_PCI1734] = {
266 		.name		= "pci1734",
267 		.main_pci_region = PCIDIO_MAINREG,
268 		.cardtype	= TYPE_PCI1734,
269 		.nsubdevs	= 2,
270 		.sdo[1]		= { 32, PCI1734_IDO, 4, 0, },
271 		.boardid	= { 4, PCI173x_BOARDID, 1, SDF_INTERNAL, },
272 		.io_access	= IO_8b,
273 	},
274 	[TYPE_PCI1735] = {
275 		.name		= "pci1735",
276 		.main_pci_region = PCIDIO_MAINREG,
277 		.cardtype	= TYPE_PCI1735,
278 		.nsubdevs	= 4,
279 		.sdi[0]		= { 32, PCI1735_DI, 4, 0, },
280 		.sdo[0]		= { 32, PCI1735_DO, 4, 0, },
281 		.boardid	= { 4, PCI1735_BOARDID, 1, SDF_INTERNAL, },
282 		.timer_regbase	= PCI1735_C8254,
283 		.io_access	= IO_8b,
284 	},
285 	[TYPE_PCI1736] = {
286 		.name		= "pci1736",
287 		.main_pci_region = PCI1736_MAINREG,
288 		.cardtype	= TYPE_PCI1736,
289 		.nsubdevs	= 3,
290 		.sdi[1]		= { 16, PCI1736_IDI, 2, 0, },
291 		.sdo[1]		= { 16, PCI1736_IDO, 2, 0, },
292 		.boardid	= { 4, PCI1736_BOARDID, 1, SDF_INTERNAL, },
293 		.io_access	= IO_8b,
294 	},
295 	[TYPE_PCI1739] = {
296 		.name		= "pci1739",
297 		.main_pci_region = PCIDIO_MAINREG,
298 		.cardtype	= TYPE_PCI1739,
299 		.nsubdevs	= 2,
300 		.sdio[0]	= { 48, PCI1739_DIO, 2, 0, },
301 		.io_access	= IO_8b,
302 	},
303 	[TYPE_PCI1750] = {
304 		.name		= "pci1750",
305 		.main_pci_region = PCIDIO_MAINREG,
306 		.cardtype	= TYPE_PCI1750,
307 		.nsubdevs	= 2,
308 		.sdi[1]		= { 16, PCI1750_IDI, 2, 0, },
309 		.sdo[1]		= { 16, PCI1750_IDO, 2, 0, },
310 		.io_access	= IO_8b,
311 	},
312 	[TYPE_PCI1751] = {
313 		.name		= "pci1751",
314 		.main_pci_region = PCIDIO_MAINREG,
315 		.cardtype	= TYPE_PCI1751,
316 		.nsubdevs	= 3,
317 		.sdio[0]	= { 48, PCI1751_DIO, 2, 0, },
318 		.timer_regbase	= PCI1751_CNT,
319 		.io_access	= IO_8b,
320 	},
321 	[TYPE_PCI1752] = {
322 		.name		= "pci1752",
323 		.main_pci_region = PCIDIO_MAINREG,
324 		.cardtype	= TYPE_PCI1752,
325 		.nsubdevs	= 3,
326 		.sdo[0]		= { 32, PCI1752_IDO, 2, 0, },
327 		.sdo[1]		= { 32, PCI1752_IDO2, 2, 0, },
328 		.boardid	= { 4, PCI175x_BOARDID, 1, SDF_INTERNAL, },
329 		.io_access	= IO_16b,
330 	},
331 	[TYPE_PCI1753] = {
332 		.name		= "pci1753",
333 		.main_pci_region = PCIDIO_MAINREG,
334 		.cardtype	= TYPE_PCI1753,
335 		.nsubdevs	= 4,
336 		.sdio[0]	= { 96, PCI1753_DIO, 4, 0, },
337 		.io_access	= IO_8b,
338 	},
339 	[TYPE_PCI1753E] = {
340 		.name		= "pci1753e",
341 		.main_pci_region = PCIDIO_MAINREG,
342 		.cardtype	= TYPE_PCI1753E,
343 		.nsubdevs	= 8,
344 		.sdio[0]	= { 96, PCI1753_DIO, 4, 0, },
345 		.sdio[1]	= { 96, PCI1753E_DIO, 4, 0, },
346 		.io_access	= IO_8b,
347 	},
348 	[TYPE_PCI1754] = {
349 		.name		= "pci1754",
350 		.main_pci_region = PCIDIO_MAINREG,
351 		.cardtype	= TYPE_PCI1754,
352 		.nsubdevs	= 3,
353 		.sdi[0]		= { 32, PCI1754_IDI, 2, 0, },
354 		.sdi[1]		= { 32, PCI1754_IDI2, 2, 0, },
355 		.boardid	= { 4, PCI175x_BOARDID, 1, SDF_INTERNAL, },
356 		.io_access	= IO_16b,
357 	},
358 	[TYPE_PCI1756] = {
359 		.name		= "pci1756",
360 		.main_pci_region = PCIDIO_MAINREG,
361 		.cardtype	= TYPE_PCI1756,
362 		.nsubdevs	= 3,
363 		.sdi[1]		= { 32, PCI1756_IDI, 2, 0, },
364 		.sdo[1]		= { 32, PCI1756_IDO, 2, 0, },
365 		.boardid	= { 4, PCI175x_BOARDID, 1, SDF_INTERNAL, },
366 		.io_access	= IO_16b,
367 	},
368 	[TYPE_PCI1760] = {
369 		/* This card has its own 'attach' */
370 		.name		= "pci1760",
371 		.main_pci_region = 0,
372 		.cardtype	= TYPE_PCI1760,
373 		.nsubdevs	= 4,
374 		.io_access	= IO_8b,
375 	},
376 	[TYPE_PCI1762] = {
377 		.name		= "pci1762",
378 		.main_pci_region = PCIDIO_MAINREG,
379 		.cardtype	= TYPE_PCI1762,
380 		.nsubdevs	= 3,
381 		.sdi[1]		= { 16, PCI1762_IDI, 1, 0, },
382 		.sdo[1]		= { 16, PCI1762_RO, 1, 0, },
383 		.boardid	= { 4, PCI1762_BOARDID, 1, SDF_INTERNAL, },
384 		.io_access	= IO_16b,
385 	},
386 };
387 
388 struct pci_dio_private {
389 	char GlobalIrqEnabled;	/*  1= any IRQ source is enabled */
390 	/*  PCI-1760 specific data */
391 	unsigned char IDICntEnable;	/* counter's counting enable status */
392 	unsigned char IDICntOverEnable;	/* counter's overflow interrupts enable
393 					 * status */
394 	unsigned char IDICntMatchEnable;	/* counter's match interrupts
395 						 * enable status */
396 	unsigned char IDICntEdge;	/* counter's count edge value
397 					 * (bit=0 - rising, =1 - falling) */
398 	unsigned short CntResValue[8];	/*  counters' reset value */
399 	unsigned short CntMatchValue[8]; /*  counters' match interrupt value */
400 	unsigned char IDIFiltersEn; /*  IDI's digital filters enable status */
401 	unsigned char IDIPatMatchEn;	/*  IDI's pattern match enable status */
402 	unsigned char IDIPatMatchValue;	/*  IDI's pattern match value */
403 	unsigned short IDIFiltrLow[8];	/*  IDI's filter value low signal */
404 	unsigned short IDIFiltrHigh[8];	/*  IDI's filter value high signal */
405 };
406 
407 /*
408 ==============================================================================
409 */
pci_dio_insn_bits_di_b(struct comedi_device * dev,struct comedi_subdevice * s,struct comedi_insn * insn,unsigned int * data)410 static int pci_dio_insn_bits_di_b(struct comedi_device *dev,
411 				  struct comedi_subdevice *s,
412 				  struct comedi_insn *insn, unsigned int *data)
413 {
414 	const struct diosubd_data *d = (const struct diosubd_data *)s->private;
415 	int i;
416 
417 	data[1] = 0;
418 	for (i = 0; i < d->regs; i++)
419 		data[1] |= inb(dev->iobase + d->addr + i) << (8 * i);
420 
421 	return insn->n;
422 }
423 
424 /*
425 ==============================================================================
426 */
pci_dio_insn_bits_di_w(struct comedi_device * dev,struct comedi_subdevice * s,struct comedi_insn * insn,unsigned int * data)427 static int pci_dio_insn_bits_di_w(struct comedi_device *dev,
428 				  struct comedi_subdevice *s,
429 				  struct comedi_insn *insn, unsigned int *data)
430 {
431 	const struct diosubd_data *d = (const struct diosubd_data *)s->private;
432 	int i;
433 
434 	data[1] = 0;
435 	for (i = 0; i < d->regs; i++)
436 		data[1] |= inw(dev->iobase + d->addr + 2 * i) << (16 * i);
437 
438 	return insn->n;
439 }
440 
pci_dio_insn_bits_do_b(struct comedi_device * dev,struct comedi_subdevice * s,struct comedi_insn * insn,unsigned int * data)441 static int pci_dio_insn_bits_do_b(struct comedi_device *dev,
442 				  struct comedi_subdevice *s,
443 				  struct comedi_insn *insn,
444 				  unsigned int *data)
445 {
446 	const struct diosubd_data *d = (const struct diosubd_data *)s->private;
447 	int i;
448 
449 	if (comedi_dio_update_state(s, data)) {
450 		for (i = 0; i < d->regs; i++)
451 			outb((s->state >> (8 * i)) & 0xff,
452 			     dev->iobase + d->addr + i);
453 	}
454 
455 	data[1] = s->state;
456 
457 	return insn->n;
458 }
459 
pci_dio_insn_bits_do_w(struct comedi_device * dev,struct comedi_subdevice * s,struct comedi_insn * insn,unsigned int * data)460 static int pci_dio_insn_bits_do_w(struct comedi_device *dev,
461 				  struct comedi_subdevice *s,
462 				  struct comedi_insn *insn,
463 				  unsigned int *data)
464 {
465 	const struct diosubd_data *d = (const struct diosubd_data *)s->private;
466 	int i;
467 
468 	if (comedi_dio_update_state(s, data)) {
469 		for (i = 0; i < d->regs; i++)
470 			outw((s->state >> (16 * i)) & 0xffff,
471 			     dev->iobase + d->addr + 2 * i);
472 	}
473 
474 	data[1] = s->state;
475 
476 	return insn->n;
477 }
478 
479 /*
480 ==============================================================================
481 */
pci1760_unchecked_mbxrequest(struct comedi_device * dev,unsigned char * omb,unsigned char * imb,int repeats)482 static int pci1760_unchecked_mbxrequest(struct comedi_device *dev,
483 					unsigned char *omb, unsigned char *imb,
484 					int repeats)
485 {
486 	int cnt, tout, ok = 0;
487 
488 	for (cnt = 0; cnt < repeats; cnt++) {
489 		outb(omb[0], dev->iobase + OMB0);
490 		outb(omb[1], dev->iobase + OMB1);
491 		outb(omb[2], dev->iobase + OMB2);
492 		outb(omb[3], dev->iobase + OMB3);
493 		for (tout = 0; tout < 251; tout++) {
494 			imb[2] = inb(dev->iobase + IMB2);
495 			if (imb[2] == omb[2]) {
496 				imb[0] = inb(dev->iobase + IMB0);
497 				imb[1] = inb(dev->iobase + IMB1);
498 				imb[3] = inb(dev->iobase + IMB3);
499 				ok = 1;
500 				break;
501 			}
502 			udelay(1);
503 		}
504 		if (ok)
505 			return 0;
506 	}
507 
508 	dev_err(dev->class_dev, "PCI-1760 mailbox request timeout!\n");
509 	return -ETIME;
510 }
511 
pci1760_clear_imb2(struct comedi_device * dev)512 static int pci1760_clear_imb2(struct comedi_device *dev)
513 {
514 	unsigned char omb[4] = { 0x0, 0x0, CMD_ClearIMB2, 0x0 };
515 	unsigned char imb[4];
516 	/* check if imb2 is already clear */
517 	if (inb(dev->iobase + IMB2) == CMD_ClearIMB2)
518 		return 0;
519 	return pci1760_unchecked_mbxrequest(dev, omb, imb, OMBCMD_RETRY);
520 }
521 
pci1760_mbxrequest(struct comedi_device * dev,unsigned char * omb,unsigned char * imb)522 static int pci1760_mbxrequest(struct comedi_device *dev,
523 			      unsigned char *omb, unsigned char *imb)
524 {
525 	if (omb[2] == CMD_ClearIMB2) {
526 		dev_err(dev->class_dev,
527 			"bug! this function should not be used for CMD_ClearIMB2 command\n");
528 		return -EINVAL;
529 	}
530 	if (inb(dev->iobase + IMB2) == omb[2]) {
531 		int retval;
532 
533 		retval = pci1760_clear_imb2(dev);
534 		if (retval < 0)
535 			return retval;
536 	}
537 	return pci1760_unchecked_mbxrequest(dev, omb, imb, OMBCMD_RETRY);
538 }
539 
540 /*
541 ==============================================================================
542 */
pci1760_insn_bits_di(struct comedi_device * dev,struct comedi_subdevice * s,struct comedi_insn * insn,unsigned int * data)543 static int pci1760_insn_bits_di(struct comedi_device *dev,
544 				struct comedi_subdevice *s,
545 				struct comedi_insn *insn, unsigned int *data)
546 {
547 	data[1] = inb(dev->iobase + IMB3);
548 
549 	return insn->n;
550 }
551 
pci1760_insn_bits_do(struct comedi_device * dev,struct comedi_subdevice * s,struct comedi_insn * insn,unsigned int * data)552 static int pci1760_insn_bits_do(struct comedi_device *dev,
553 				struct comedi_subdevice *s,
554 				struct comedi_insn *insn,
555 				unsigned int *data)
556 {
557 	int ret;
558 	unsigned char omb[4] = {
559 		0x00,
560 		0x00,
561 		CMD_SetRelaysOutput,
562 		0x00
563 	};
564 	unsigned char imb[4];
565 
566 	if (comedi_dio_update_state(s, data)) {
567 		omb[0] = s->state;
568 		ret = pci1760_mbxrequest(dev, omb, imb);
569 		if (!ret)
570 			return ret;
571 	}
572 
573 	data[1] = s->state;
574 
575 	return insn->n;
576 }
577 
578 /*
579 ==============================================================================
580 */
pci1760_insn_cnt_read(struct comedi_device * dev,struct comedi_subdevice * s,struct comedi_insn * insn,unsigned int * data)581 static int pci1760_insn_cnt_read(struct comedi_device *dev,
582 				 struct comedi_subdevice *s,
583 				 struct comedi_insn *insn, unsigned int *data)
584 {
585 	int ret, n;
586 	unsigned char omb[4] = {
587 		CR_CHAN(insn->chanspec) & 0x07,
588 		0x00,
589 		CMD_GetIDICntCurValue,
590 		0x00
591 	};
592 	unsigned char imb[4];
593 
594 	for (n = 0; n < insn->n; n++) {
595 		ret = pci1760_mbxrequest(dev, omb, imb);
596 		if (!ret)
597 			return ret;
598 		data[n] = (imb[1] << 8) + imb[0];
599 	}
600 
601 	return n;
602 }
603 
604 /*
605 ==============================================================================
606 */
pci1760_insn_cnt_write(struct comedi_device * dev,struct comedi_subdevice * s,struct comedi_insn * insn,unsigned int * data)607 static int pci1760_insn_cnt_write(struct comedi_device *dev,
608 				  struct comedi_subdevice *s,
609 				  struct comedi_insn *insn, unsigned int *data)
610 {
611 	struct pci_dio_private *devpriv = dev->private;
612 	int ret;
613 	unsigned char chan = CR_CHAN(insn->chanspec) & 0x07;
614 	unsigned char bitmask = 1 << chan;
615 	unsigned char omb[4] = {
616 		data[0] & 0xff,
617 		(data[0] >> 8) & 0xff,
618 		CMD_SetIDI0CntResetValue + chan,
619 		0x00
620 	};
621 	unsigned char imb[4];
622 
623 	/* Set reset value if different */
624 	if (devpriv->CntResValue[chan] != (data[0] & 0xffff)) {
625 		ret = pci1760_mbxrequest(dev, omb, imb);
626 		if (!ret)
627 			return ret;
628 		devpriv->CntResValue[chan] = data[0] & 0xffff;
629 	}
630 
631 	omb[0] = bitmask;	/*  reset counter to it reset value */
632 	omb[2] = CMD_ResetIDICounters;
633 	ret = pci1760_mbxrequest(dev, omb, imb);
634 	if (!ret)
635 		return ret;
636 
637 	/*  start counter if it don't run */
638 	if (!(bitmask & devpriv->IDICntEnable)) {
639 		omb[0] = bitmask;
640 		omb[2] = CMD_EnableIDICounters;
641 		ret = pci1760_mbxrequest(dev, omb, imb);
642 		if (!ret)
643 			return ret;
644 		devpriv->IDICntEnable |= bitmask;
645 	}
646 	return 1;
647 }
648 
649 /*
650 ==============================================================================
651 */
pci1760_reset(struct comedi_device * dev)652 static int pci1760_reset(struct comedi_device *dev)
653 {
654 	struct pci_dio_private *devpriv = dev->private;
655 	int i;
656 	unsigned char omb[4] = { 0x00, 0x00, 0x00, 0x00 };
657 	unsigned char imb[4];
658 
659 	outb(0, dev->iobase + INTCSR0);	/*  disable IRQ */
660 	outb(0, dev->iobase + INTCSR1);
661 	outb(0, dev->iobase + INTCSR2);
662 	outb(0, dev->iobase + INTCSR3);
663 	devpriv->GlobalIrqEnabled = 0;
664 
665 	omb[0] = 0x00;
666 	omb[2] = CMD_SetRelaysOutput;	/*  reset relay outputs */
667 	pci1760_mbxrequest(dev, omb, imb);
668 
669 	omb[0] = 0x00;
670 	omb[2] = CMD_EnableIDICounters;	/*  disable IDI up counters */
671 	pci1760_mbxrequest(dev, omb, imb);
672 	devpriv->IDICntEnable = 0;
673 
674 	omb[0] = 0x00;
675 	omb[2] = CMD_OverflowIDICounters; /* disable counters overflow
676 					   * interrupts */
677 	pci1760_mbxrequest(dev, omb, imb);
678 	devpriv->IDICntOverEnable = 0;
679 
680 	omb[0] = 0x00;
681 	omb[2] = CMD_MatchIntIDICounters; /* disable counters match value
682 					   * interrupts */
683 	pci1760_mbxrequest(dev, omb, imb);
684 	devpriv->IDICntMatchEnable = 0;
685 
686 	omb[0] = 0x00;
687 	omb[1] = 0x80;
688 	for (i = 0; i < 8; i++) {	/*  set IDI up counters match value */
689 		omb[2] = CMD_SetIDI0CntMatchValue + i;
690 		pci1760_mbxrequest(dev, omb, imb);
691 		devpriv->CntMatchValue[i] = 0x8000;
692 	}
693 
694 	omb[0] = 0x00;
695 	omb[1] = 0x00;
696 	for (i = 0; i < 8; i++) {	/*  set IDI up counters reset value */
697 		omb[2] = CMD_SetIDI0CntResetValue + i;
698 		pci1760_mbxrequest(dev, omb, imb);
699 		devpriv->CntResValue[i] = 0x0000;
700 	}
701 
702 	omb[0] = 0xff;
703 	omb[2] = CMD_ResetIDICounters; /* reset IDI up counters to reset
704 					* values */
705 	pci1760_mbxrequest(dev, omb, imb);
706 
707 	omb[0] = 0x00;
708 	omb[2] = CMD_EdgeIDICounters;	/*  set IDI up counters count edge */
709 	pci1760_mbxrequest(dev, omb, imb);
710 	devpriv->IDICntEdge = 0x00;
711 
712 	omb[0] = 0x00;
713 	omb[2] = CMD_EnableIDIFilters;	/*  disable all digital in filters */
714 	pci1760_mbxrequest(dev, omb, imb);
715 	devpriv->IDIFiltersEn = 0x00;
716 
717 	omb[0] = 0x00;
718 	omb[2] = CMD_EnableIDIPatternMatch;	/*  disable pattern matching */
719 	pci1760_mbxrequest(dev, omb, imb);
720 	devpriv->IDIPatMatchEn = 0x00;
721 
722 	omb[0] = 0x00;
723 	omb[2] = CMD_SetIDIPatternMatch;	/*  set pattern match value */
724 	pci1760_mbxrequest(dev, omb, imb);
725 	devpriv->IDIPatMatchValue = 0x00;
726 
727 	return 0;
728 }
729 
730 /*
731 ==============================================================================
732 */
pci_dio_reset(struct comedi_device * dev)733 static int pci_dio_reset(struct comedi_device *dev)
734 {
735 	const struct dio_boardtype *board = dev->board_ptr;
736 
737 	switch (board->cardtype) {
738 	case TYPE_PCI1730:
739 		outb(0, dev->iobase + PCI1730_DO);	/*  clear outputs */
740 		outb(0, dev->iobase + PCI1730_DO + 1);
741 		outb(0, dev->iobase + PCI1730_IDO);
742 		outb(0, dev->iobase + PCI1730_IDO + 1);
743 		/* fallthrough */
744 	case TYPE_PCI1733:
745 		/* disable interrupts */
746 		outb(0, dev->iobase + PCI1730_3_INT_EN);
747 		/* clear interrupts */
748 		outb(0x0f, dev->iobase + PCI1730_3_INT_CLR);
749 		/* set rising edge trigger */
750 		outb(0, dev->iobase + PCI1730_3_INT_RF);
751 		break;
752 	case TYPE_PCI1734:
753 		outb(0, dev->iobase + PCI1734_IDO);	/*  clear outputs */
754 		outb(0, dev->iobase + PCI1734_IDO + 1);
755 		outb(0, dev->iobase + PCI1734_IDO + 2);
756 		outb(0, dev->iobase + PCI1734_IDO + 3);
757 		break;
758 	case TYPE_PCI1735:
759 		outb(0, dev->iobase + PCI1735_DO);	/*  clear outputs */
760 		outb(0, dev->iobase + PCI1735_DO + 1);
761 		outb(0, dev->iobase + PCI1735_DO + 2);
762 		outb(0, dev->iobase + PCI1735_DO + 3);
763 		break;
764 
765 	case TYPE_PCI1736:
766 		outb(0, dev->iobase + PCI1736_IDO);
767 		outb(0, dev->iobase + PCI1736_IDO + 1);
768 		/* disable interrupts */
769 		outb(0, dev->iobase + PCI1736_3_INT_EN);
770 		/* clear interrupts */
771 		outb(0x0f, dev->iobase + PCI1736_3_INT_CLR);
772 		/* set rising edge trigger */
773 		outb(0, dev->iobase + PCI1736_3_INT_RF);
774 		break;
775 
776 	case TYPE_PCI1739:
777 		/* disable & clear interrupts */
778 		outb(0x88, dev->iobase + PCI1739_ICR);
779 		break;
780 
781 	case TYPE_PCI1750:
782 	case TYPE_PCI1751:
783 		/* disable & clear interrupts */
784 		outb(0x88, dev->iobase + PCI1750_ICR);
785 		break;
786 	case TYPE_PCI1752:
787 		outw(0, dev->iobase + PCI1752_6_CFC); /* disable channel freeze
788 						       * function */
789 		outw(0, dev->iobase + PCI1752_IDO);	/*  clear outputs */
790 		outw(0, dev->iobase + PCI1752_IDO + 2);
791 		outw(0, dev->iobase + PCI1752_IDO2);
792 		outw(0, dev->iobase + PCI1752_IDO2 + 2);
793 		break;
794 	case TYPE_PCI1753E:
795 		outb(0x88, dev->iobase + PCI1753E_ICR0); /* disable & clear
796 							  * interrupts */
797 		outb(0x80, dev->iobase + PCI1753E_ICR1);
798 		outb(0x80, dev->iobase + PCI1753E_ICR2);
799 		outb(0x80, dev->iobase + PCI1753E_ICR3);
800 		/* fallthrough */
801 	case TYPE_PCI1753:
802 		outb(0x88, dev->iobase + PCI1753_ICR0); /* disable & clear
803 							 * interrupts */
804 		outb(0x80, dev->iobase + PCI1753_ICR1);
805 		outb(0x80, dev->iobase + PCI1753_ICR2);
806 		outb(0x80, dev->iobase + PCI1753_ICR3);
807 		break;
808 	case TYPE_PCI1754:
809 		outw(0x08, dev->iobase + PCI1754_6_ICR0); /* disable and clear
810 							   * interrupts */
811 		outw(0x08, dev->iobase + PCI1754_6_ICR1);
812 		outw(0x08, dev->iobase + PCI1754_ICR2);
813 		outw(0x08, dev->iobase + PCI1754_ICR3);
814 		break;
815 	case TYPE_PCI1756:
816 		outw(0, dev->iobase + PCI1752_6_CFC); /* disable channel freeze
817 						       * function */
818 		outw(0x08, dev->iobase + PCI1754_6_ICR0); /* disable and clear
819 							   * interrupts */
820 		outw(0x08, dev->iobase + PCI1754_6_ICR1);
821 		outw(0, dev->iobase + PCI1756_IDO);	/*  clear outputs */
822 		outw(0, dev->iobase + PCI1756_IDO + 2);
823 		break;
824 	case TYPE_PCI1760:
825 		pci1760_reset(dev);
826 		break;
827 	case TYPE_PCI1762:
828 		outw(0x0101, dev->iobase + PCI1762_ICR); /* disable & clear
829 							  * interrupts */
830 		break;
831 	}
832 
833 	return 0;
834 }
835 
836 /*
837 ==============================================================================
838 */
pci1760_attach(struct comedi_device * dev)839 static int pci1760_attach(struct comedi_device *dev)
840 {
841 	struct comedi_subdevice *s;
842 
843 	s = &dev->subdevices[0];
844 	s->type = COMEDI_SUBD_DI;
845 	s->subdev_flags = SDF_READABLE;
846 	s->n_chan = 8;
847 	s->maxdata = 1;
848 	s->len_chanlist = 8;
849 	s->range_table = &range_digital;
850 	s->insn_bits = pci1760_insn_bits_di;
851 
852 	s = &dev->subdevices[1];
853 	s->type = COMEDI_SUBD_DO;
854 	s->subdev_flags = SDF_WRITABLE;
855 	s->n_chan = 8;
856 	s->maxdata = 1;
857 	s->len_chanlist = 8;
858 	s->range_table = &range_digital;
859 	s->state = 0;
860 	s->insn_bits = pci1760_insn_bits_do;
861 
862 	s = &dev->subdevices[2];
863 	s->type = COMEDI_SUBD_TIMER;
864 	s->subdev_flags = SDF_WRITABLE | SDF_LSAMPL;
865 	s->n_chan = 2;
866 	s->maxdata = 0xffffffff;
867 	s->len_chanlist = 2;
868 /*       s->insn_config=pci1760_insn_pwm_cfg; */
869 
870 	s = &dev->subdevices[3];
871 	s->type = COMEDI_SUBD_COUNTER;
872 	s->subdev_flags = SDF_READABLE | SDF_WRITABLE;
873 	s->n_chan = 8;
874 	s->maxdata = 0xffff;
875 	s->len_chanlist = 8;
876 	s->insn_read = pci1760_insn_cnt_read;
877 	s->insn_write = pci1760_insn_cnt_write;
878 /*       s->insn_config=pci1760_insn_cnt_cfg; */
879 
880 	return 0;
881 }
882 
883 /*
884 ==============================================================================
885 */
pci_dio_add_di(struct comedi_device * dev,struct comedi_subdevice * s,const struct diosubd_data * d)886 static int pci_dio_add_di(struct comedi_device *dev,
887 			  struct comedi_subdevice *s,
888 			  const struct diosubd_data *d)
889 {
890 	const struct dio_boardtype *board = dev->board_ptr;
891 
892 	s->type = COMEDI_SUBD_DI;
893 	s->subdev_flags = SDF_READABLE | d->specflags;
894 	if (d->chans > 16)
895 		s->subdev_flags |= SDF_LSAMPL;
896 	s->n_chan = d->chans;
897 	s->maxdata = 1;
898 	s->len_chanlist = d->chans;
899 	s->range_table = &range_digital;
900 	switch (board->io_access) {
901 	case IO_8b:
902 		s->insn_bits = pci_dio_insn_bits_di_b;
903 		break;
904 	case IO_16b:
905 		s->insn_bits = pci_dio_insn_bits_di_w;
906 		break;
907 	}
908 	s->private = (void *)d;
909 
910 	return 0;
911 }
912 
913 /*
914 ==============================================================================
915 */
pci_dio_add_do(struct comedi_device * dev,struct comedi_subdevice * s,const struct diosubd_data * d)916 static int pci_dio_add_do(struct comedi_device *dev,
917 			  struct comedi_subdevice *s,
918 			  const struct diosubd_data *d)
919 {
920 	const struct dio_boardtype *board = dev->board_ptr;
921 
922 	s->type = COMEDI_SUBD_DO;
923 	s->subdev_flags = SDF_WRITABLE;
924 	if (d->chans > 16)
925 		s->subdev_flags |= SDF_LSAMPL;
926 	s->n_chan = d->chans;
927 	s->maxdata = 1;
928 	s->len_chanlist = d->chans;
929 	s->range_table = &range_digital;
930 	s->state = 0;
931 	switch (board->io_access) {
932 	case IO_8b:
933 		s->insn_bits = pci_dio_insn_bits_do_b;
934 		break;
935 	case IO_16b:
936 		s->insn_bits = pci_dio_insn_bits_do_w;
937 		break;
938 	}
939 	s->private = (void *)d;
940 
941 	return 0;
942 }
943 
pci_dio_override_cardtype(struct pci_dev * pcidev,unsigned long cardtype)944 static unsigned long pci_dio_override_cardtype(struct pci_dev *pcidev,
945 					       unsigned long cardtype)
946 {
947 	/*
948 	 * Change cardtype from TYPE_PCI1753 to TYPE_PCI1753E if expansion
949 	 * board available.  Need to enable PCI device and request the main
950 	 * registers PCI BAR temporarily to perform the test.
951 	 */
952 	if (cardtype != TYPE_PCI1753)
953 		return cardtype;
954 	if (pci_enable_device(pcidev) < 0)
955 		return cardtype;
956 	if (pci_request_region(pcidev, PCIDIO_MAINREG, "adv_pci_dio") == 0) {
957 		/*
958 		 * This test is based on Advantech's "advdaq" driver source
959 		 * (which declares its module licence as "GPL" although the
960 		 * driver source does not include a "COPYING" file).
961 		 */
962 		unsigned long reg =
963 			pci_resource_start(pcidev, PCIDIO_MAINREG) + 53;
964 
965 		outb(0x05, reg);
966 		if ((inb(reg) & 0x07) == 0x02) {
967 			outb(0x02, reg);
968 			if ((inb(reg) & 0x07) == 0x05)
969 				cardtype = TYPE_PCI1753E;
970 		}
971 		pci_release_region(pcidev, PCIDIO_MAINREG);
972 	}
973 	pci_disable_device(pcidev);
974 	return cardtype;
975 }
976 
pci_dio_auto_attach(struct comedi_device * dev,unsigned long context)977 static int pci_dio_auto_attach(struct comedi_device *dev,
978 			       unsigned long context)
979 {
980 	struct pci_dev *pcidev = comedi_to_pci_dev(dev);
981 	const struct dio_boardtype *board = NULL;
982 	struct pci_dio_private *devpriv;
983 	struct comedi_subdevice *s;
984 	int ret, subdev, i, j;
985 
986 	if (context < ARRAY_SIZE(boardtypes))
987 		board = &boardtypes[context];
988 	if (!board)
989 		return -ENODEV;
990 	dev->board_ptr = board;
991 	dev->board_name = board->name;
992 
993 	devpriv = comedi_alloc_devpriv(dev, sizeof(*devpriv));
994 	if (!devpriv)
995 		return -ENOMEM;
996 
997 	ret = comedi_pci_enable(dev);
998 	if (ret)
999 		return ret;
1000 	dev->iobase = pci_resource_start(pcidev, board->main_pci_region);
1001 
1002 	ret = comedi_alloc_subdevices(dev, board->nsubdevs);
1003 	if (ret)
1004 		return ret;
1005 
1006 	subdev = 0;
1007 	for (i = 0; i < MAX_DI_SUBDEVS; i++)
1008 		if (board->sdi[i].chans) {
1009 			s = &dev->subdevices[subdev];
1010 			pci_dio_add_di(dev, s, &board->sdi[i]);
1011 			subdev++;
1012 		}
1013 
1014 	for (i = 0; i < MAX_DO_SUBDEVS; i++)
1015 		if (board->sdo[i].chans) {
1016 			s = &dev->subdevices[subdev];
1017 			pci_dio_add_do(dev, s, &board->sdo[i]);
1018 			subdev++;
1019 		}
1020 
1021 	for (i = 0; i < MAX_DIO_SUBDEVG; i++)
1022 		for (j = 0; j < board->sdio[i].regs; j++) {
1023 			s = &dev->subdevices[subdev];
1024 			ret = subdev_8255_init(dev, s, NULL,
1025 					       board->sdio[i].addr +
1026 					       j * I8255_SIZE);
1027 			if (ret)
1028 				return ret;
1029 			subdev++;
1030 		}
1031 
1032 	if (board->boardid.chans) {
1033 		s = &dev->subdevices[subdev];
1034 		s->type = COMEDI_SUBD_DI;
1035 		pci_dio_add_di(dev, s, &board->boardid);
1036 		subdev++;
1037 	}
1038 
1039 	if (board->timer_regbase) {
1040 		s = &dev->subdevices[subdev];
1041 
1042 		dev->pacer = comedi_8254_init(dev->iobase +
1043 					      board->timer_regbase,
1044 					      0, I8254_IO8, 0);
1045 		if (!dev->pacer)
1046 			return -ENOMEM;
1047 
1048 		comedi_8254_subdevice_init(s, dev->pacer);
1049 
1050 		subdev++;
1051 	}
1052 
1053 	if (board->cardtype == TYPE_PCI1760)
1054 		pci1760_attach(dev);
1055 
1056 	pci_dio_reset(dev);
1057 
1058 	return 0;
1059 }
1060 
pci_dio_detach(struct comedi_device * dev)1061 static void pci_dio_detach(struct comedi_device *dev)
1062 {
1063 	if (dev->iobase)
1064 		pci_dio_reset(dev);
1065 	comedi_pci_detach(dev);
1066 }
1067 
1068 static struct comedi_driver adv_pci_dio_driver = {
1069 	.driver_name	= "adv_pci_dio",
1070 	.module		= THIS_MODULE,
1071 	.auto_attach	= pci_dio_auto_attach,
1072 	.detach		= pci_dio_detach,
1073 };
1074 
adv_pci_dio_pci_probe(struct pci_dev * dev,const struct pci_device_id * id)1075 static int adv_pci_dio_pci_probe(struct pci_dev *dev,
1076 				 const struct pci_device_id *id)
1077 {
1078 	unsigned long cardtype;
1079 
1080 	cardtype = pci_dio_override_cardtype(dev, id->driver_data);
1081 	return comedi_pci_auto_config(dev, &adv_pci_dio_driver, cardtype);
1082 }
1083 
1084 static const struct pci_device_id adv_pci_dio_pci_table[] = {
1085 	{ PCI_VDEVICE(ADVANTECH, 0x1730), TYPE_PCI1730 },
1086 	{ PCI_VDEVICE(ADVANTECH, 0x1733), TYPE_PCI1733 },
1087 	{ PCI_VDEVICE(ADVANTECH, 0x1734), TYPE_PCI1734 },
1088 	{ PCI_VDEVICE(ADVANTECH, 0x1735), TYPE_PCI1735 },
1089 	{ PCI_VDEVICE(ADVANTECH, 0x1736), TYPE_PCI1736 },
1090 	{ PCI_VDEVICE(ADVANTECH, 0x1739), TYPE_PCI1739 },
1091 	{ PCI_VDEVICE(ADVANTECH, 0x1750), TYPE_PCI1750 },
1092 	{ PCI_VDEVICE(ADVANTECH, 0x1751), TYPE_PCI1751 },
1093 	{ PCI_VDEVICE(ADVANTECH, 0x1752), TYPE_PCI1752 },
1094 	{ PCI_VDEVICE(ADVANTECH, 0x1753), TYPE_PCI1753 },
1095 	{ PCI_VDEVICE(ADVANTECH, 0x1754), TYPE_PCI1754 },
1096 	{ PCI_VDEVICE(ADVANTECH, 0x1756), TYPE_PCI1756 },
1097 	{ PCI_VDEVICE(ADVANTECH, 0x1760), TYPE_PCI1760 },
1098 	{ PCI_VDEVICE(ADVANTECH, 0x1762), TYPE_PCI1762 },
1099 	{ 0 }
1100 };
1101 MODULE_DEVICE_TABLE(pci, adv_pci_dio_pci_table);
1102 
1103 static struct pci_driver adv_pci_dio_pci_driver = {
1104 	.name		= "adv_pci_dio",
1105 	.id_table	= adv_pci_dio_pci_table,
1106 	.probe		= adv_pci_dio_pci_probe,
1107 	.remove		= comedi_pci_auto_unconfig,
1108 };
1109 module_comedi_pci_driver(adv_pci_dio_driver, adv_pci_dio_pci_driver);
1110 
1111 MODULE_AUTHOR("Comedi http://www.comedi.org");
1112 MODULE_DESCRIPTION("Comedi low-level driver");
1113 MODULE_LICENSE("GPL");
1114