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20#ifndef _AMCC_S5933_H_
21#define _AMCC_S5933_H_
22
23#include "../../comedidev.h"
24
25#include "../comedi_pci.h"
26
27#ifdef PCI_SUPPORT_VER1
28#error No support for 2.1.55 and older
29#endif
30
31
32#define FIFO_ADVANCE_ON_BYTE_2 0x20000000
33
34
35#define AMWEN_ENABLE 0x02
36
37#define A2P_FIFO_WRITE_ENABLE 0x01
38
39
40#define AGCSTS_TC_ENABLE 0x10000000
41
42
43
44
45
46#define APCI3120_ENABLE_TRANSFER_ADD_ON_LOW 0x00
47#define APCI3120_ENABLE_TRANSFER_ADD_ON_HIGH 0x1200
48#define APCI3120_A2P_FIFO_MANAGEMENT 0x04000400L
49#define APCI3120_AMWEN_ENABLE 0x02
50#define APCI3120_A2P_FIFO_WRITE_ENABLE 0x01
51#define APCI3120_FIFO_ADVANCE_ON_BYTE_2 0x20000000L
52#define APCI3120_ENABLE_WRITE_TC_INT 0x00004000L
53#define APCI3120_CLEAR_WRITE_TC_INT 0x00040000L
54#define APCI3120_DISABLE_AMWEN_AND_A2P_FIFO_WRITE 0x0
55#define APCI3120_DISABLE_BUS_MASTER_ADD_ON 0x0
56#define APCI3120_DISABLE_BUS_MASTER_PCI 0x0
57
58
59#define APCI3120_ADD_ON_AGCSTS_LOW 0x3C
60#define APCI3120_ADD_ON_AGCSTS_HIGH (APCI3120_ADD_ON_AGCSTS_LOW + 2)
61#define APCI3120_ADD_ON_MWAR_LOW 0x24
62#define APCI3120_ADD_ON_MWAR_HIGH (APCI3120_ADD_ON_MWAR_LOW + 2)
63#define APCI3120_ADD_ON_MWTC_LOW 0x058
64#define APCI3120_ADD_ON_MWTC_HIGH (APCI3120_ADD_ON_MWTC_LOW + 2)
65
66
67#define APCI3120_AMCC_OP_MCSR 0x3C
68#define APCI3120_AMCC_OP_REG_INTCSR 0x38
69
70
71
72
73#define AMCC_OP_REG_OMB1 0x00
74#define AMCC_OP_REG_OMB2 0x04
75#define AMCC_OP_REG_OMB3 0x08
76#define AMCC_OP_REG_OMB4 0x0c
77#define AMCC_OP_REG_IMB1 0x10
78#define AMCC_OP_REG_IMB2 0x14
79#define AMCC_OP_REG_IMB3 0x18
80#define AMCC_OP_REG_IMB4 0x1c
81#define AMCC_OP_REG_FIFO 0x20
82#define AMCC_OP_REG_MWAR 0x24
83#define AMCC_OP_REG_MWTC 0x28
84#define AMCC_OP_REG_MRAR 0x2c
85#define AMCC_OP_REG_MRTC 0x30
86#define AMCC_OP_REG_MBEF 0x34
87#define AMCC_OP_REG_INTCSR 0x38
88
89#define AMCC_OP_REG_INTCSR_SRC (AMCC_OP_REG_INTCSR + 2)
90
91#define AMCC_OP_REG_INTCSR_FEC (AMCC_OP_REG_INTCSR + 3)
92#define AMCC_OP_REG_MCSR 0x3c
93
94#define AMCC_OP_REG_MCSR_NVDATA (AMCC_OP_REG_MCSR + 2)
95
96#define AMCC_OP_REG_MCSR_NVCMD (AMCC_OP_REG_MCSR + 3)
97
98#define AMCC_FIFO_DEPTH_DWORD 8
99#define AMCC_FIFO_DEPTH_BYTES (8 * sizeof(u32))
100
101
102
103
104#define AMCC_OP_REG_SIZE 64
105
106
107
108
109#define AMCC_OP_REG_AIMB1 0x00
110#define AMCC_OP_REG_AIMB2 0x04
111#define AMCC_OP_REG_AIMB3 0x08
112#define AMCC_OP_REG_AIMB4 0x0c
113#define AMCC_OP_REG_AOMB1 0x10
114#define AMCC_OP_REG_AOMB2 0x14
115#define AMCC_OP_REG_AOMB3 0x18
116#define AMCC_OP_REG_AOMB4 0x1c
117#define AMCC_OP_REG_AFIFO 0x20
118#define AMCC_OP_REG_AMWAR 0x24
119#define AMCC_OP_REG_APTA 0x28
120#define AMCC_OP_REG_APTD 0x2c
121#define AMCC_OP_REG_AMRAR 0x30
122#define AMCC_OP_REG_AMBEF 0x34
123#define AMCC_OP_REG_AINT 0x38
124#define AMCC_OP_REG_AGCSTS 0x3c
125#define AMCC_OP_REG_AMWTC 0x58
126#define AMCC_OP_REG_AMRTC 0x5c
127
128
129
130
131#define AGCSTS_CONTROL_MASK 0xfffff000
132#define AGCSTS_NV_ACC_MASK 0xe0000000
133#define AGCSTS_RESET_MASK 0x0e000000
134#define AGCSTS_NV_DA_MASK 0x00ff0000
135#define AGCSTS_BIST_MASK 0x0000f000
136#define AGCSTS_STATUS_MASK 0x000000ff
137#define AGCSTS_TCZERO_MASK 0x000000c0
138#define AGCSTS_FIFO_ST_MASK 0x0000003f
139
140#define AGCSTS_RESET_MBFLAGS 0x08000000
141#define AGCSTS_RESET_P2A_FIFO 0x04000000
142#define AGCSTS_RESET_A2P_FIFO 0x02000000
143#define AGCSTS_RESET_FIFOS (AGCSTS_RESET_A2P_FIFO | AGCSTS_RESET_P2A_FIFO)
144
145#define AGCSTS_A2P_TCOUNT 0x00000080
146#define AGCSTS_P2A_TCOUNT 0x00000040
147
148#define AGCSTS_FS_P2A_EMPTY 0x00000020
149#define AGCSTS_FS_P2A_HALF 0x00000010
150#define AGCSTS_FS_P2A_FULL 0x00000008
151
152#define AGCSTS_FS_A2P_EMPTY 0x00000004
153#define AGCSTS_FS_A2P_HALF 0x00000002
154#define AGCSTS_FS_A2P_FULL 0x00000001
155
156
157
158
159#define AINT_INT_MASK 0x00ff0000
160#define AINT_SEL_MASK 0x0000ffff
161#define AINT_IS_ENSEL_MASK 0x00001f1f
162
163#define AINT_INT_ASSERTED 0x00800000
164#define AINT_BM_ERROR 0x00200000
165#define AINT_BIST_INT 0x00100000
166
167#define AINT_RT_COMPLETE 0x00080000
168#define AINT_WT_COMPLETE 0x00040000
169
170#define AINT_OUT_MB_INT 0x00020000
171#define AINT_IN_MB_INT 0x00010000
172
173#define AINT_READ_COMPL 0x00008000
174#define AINT_WRITE_COMPL 0x00004000
175
176#define AINT_OMB_ENABLE 0x00001000
177#define AINT_OMB_SELECT 0x00000c00
178#define AINT_OMB_BYTE 0x00000300
179
180#define AINT_IMB_ENABLE 0x00000010
181#define AINT_IMB_SELECT 0x0000000c
182#define AINT_IMB_BYTE 0x00000003
183
184
185#define EN_A2P_TRANSFERS 0x00000400
186
187#define RESET_A2P_FLAGS 0x04000000L
188
189#define A2P_HI_PRIORITY 0x00000100L
190
191#define ANY_S593X_INT 0x00800000L
192#define READ_TC_INT 0x00080000L
193#define WRITE_TC_INT 0x00040000L
194#define IN_MB_INT 0x00020000L
195#define MASTER_ABORT_INT 0x00100000L
196#define TARGET_ABORT_INT 0x00200000L
197#define BUS_MASTER_INT 0x00200000L
198
199
200
201struct pcilst_struct {
202 struct pcilst_struct *next;
203 int used;
204 struct pci_dev *pcidev;
205 unsigned short vendor;
206 unsigned short device;
207 unsigned char pci_bus;
208 unsigned char pci_slot;
209 unsigned char pci_func;
210 resource_size_t io_addr[5];
211 unsigned int irq;
212};
213
214
215static struct pcilst_struct *amcc_devices;
216
217static const int i_ADDIDATADeviceID[] = { 0x15B8, 0x10E8 };
218
219
220
221void v_pci_card_list_init(unsigned short pci_vendor, char display);
222void v_pci_card_list_cleanup(unsigned short pci_vendor);
223struct pcilst_struct *ptr_find_free_pci_card_by_device(unsigned short vendor_id,
224 unsigned short
225 device_id);
226int i_find_free_pci_card_by_position(unsigned short vendor_id,
227 unsigned short device_id,
228 unsigned short pci_bus,
229 unsigned short pci_slot,
230 struct pcilst_struct **card);
231struct pcilst_struct *ptr_select_and_alloc_pci_card(unsigned short vendor_id,
232 unsigned short device_id,
233 unsigned short pci_bus,
234 unsigned short pci_slot,
235 int i_Master);
236
237int pci_card_alloc(struct pcilst_struct *amcc, int master);
238int i_pci_card_free(struct pcilst_struct *amcc);
239void v_pci_card_list_display(void);
240int i_pci_card_data(struct pcilst_struct *amcc,
241 unsigned char *pci_bus, unsigned char *pci_slot,
242 unsigned char *pci_func, resource_size_t * io_addr,
243 unsigned int *irq);
244
245
246
247
248void v_pci_card_list_init(unsigned short pci_vendor, char display)
249{
250 struct pci_dev *pcidev = NULL;
251 struct pcilst_struct *amcc, *last;
252 int i;
253 int i_Count = 0;
254 amcc_devices = NULL;
255 last = NULL;
256
257 for_each_pci_dev(pcidev) {
258 for (i_Count = 0; i_Count < 2; i_Count++) {
259 pci_vendor = i_ADDIDATADeviceID[i_Count];
260 if (pcidev->vendor == pci_vendor) {
261 amcc = kzalloc(sizeof(*amcc), GFP_KERNEL);
262 if (amcc == NULL)
263 continue;
264
265 amcc->pcidev = pcidev;
266 if (last)
267 last->next = amcc;
268 else
269 amcc_devices = amcc;
270 last = amcc;
271
272 amcc->vendor = pcidev->vendor;
273 amcc->device = pcidev->device;
274 amcc->pci_bus = pcidev->bus->number;
275 amcc->pci_slot = PCI_SLOT(pcidev->devfn);
276 amcc->pci_func = PCI_FUNC(pcidev->devfn);
277
278
279
280 for (i = 0; i < 5; i++)
281 amcc->io_addr[i] =
282 pci_resource_start(pcidev, i);
283 amcc->irq = pcidev->irq;
284
285 }
286 }
287 }
288
289 if (display)
290 v_pci_card_list_display();
291}
292
293
294
295void v_pci_card_list_cleanup(unsigned short pci_vendor)
296{
297 struct pcilst_struct *amcc, *next;
298
299 for (amcc = amcc_devices; amcc; amcc = next) {
300 next = amcc->next;
301 kfree(amcc);
302 }
303
304 amcc_devices = NULL;
305}
306
307
308
309struct pcilst_struct *ptr_find_free_pci_card_by_device(unsigned short vendor_id,
310 unsigned short device_id)
311{
312 struct pcilst_struct *amcc, *next;
313
314 for (amcc = amcc_devices; amcc; amcc = next) {
315 next = amcc->next;
316 if ((!amcc->used) && (amcc->device == device_id)
317 && (amcc->vendor == vendor_id))
318 return amcc;
319
320 }
321
322 return NULL;
323}
324
325
326
327int i_find_free_pci_card_by_position(unsigned short vendor_id,
328 unsigned short device_id,
329 unsigned short pci_bus,
330 unsigned short pci_slot,
331 struct pcilst_struct **card)
332{
333 struct pcilst_struct *amcc, *next;
334
335 *card = NULL;
336 for (amcc = amcc_devices; amcc; amcc = next) {
337 next = amcc->next;
338 if ((amcc->vendor == vendor_id) && (amcc->device == device_id)
339 && (amcc->pci_bus == pci_bus)
340 && (amcc->pci_slot == pci_slot)) {
341 if (!(amcc->used)) {
342 *card = amcc;
343 return 0;
344 } else {
345 printk(" - \nCard on requested position is used b:s %d:%d!\n",
346 pci_bus, pci_slot);
347 return 2;
348 }
349 }
350 }
351
352
353 return 1;
354}
355
356
357
358int pci_card_alloc(struct pcilst_struct *amcc, int master)
359{
360 int i;
361
362 if (!amcc)
363 return -1;
364
365 if (amcc->used)
366 return 1;
367 if (comedi_pci_enable(amcc->pcidev, "addi_amcc_s5933"))
368 return -1;
369
370 for (i = 0; i < 5; i++)
371 amcc->io_addr[i] = pci_resource_start(amcc->pcidev, i);
372 if (master)
373 pci_set_master(amcc->pcidev);
374 amcc->used = 1;
375
376 return 0;
377}
378
379
380
381int i_pci_card_free(struct pcilst_struct *amcc)
382{
383 if (!amcc)
384 return -1;
385
386 if (!amcc->used)
387 return 1;
388 amcc->used = 0;
389 comedi_pci_disable(amcc->pcidev);
390 return 0;
391}
392
393
394
395void v_pci_card_list_display(void)
396{
397 struct pcilst_struct *amcc, *next;
398
399 printk(KERN_DEBUG "List of pci cards\n");
400 printk(KERN_DEBUG "bus:slot:func vendor device io_amcc io_daq irq used\n");
401
402 for (amcc = amcc_devices; amcc; amcc = next) {
403 next = amcc->next;
404 printk
405 ("%2d %2d %2d 0x%4x 0x%4x 0x%8llx 0x%8llx %2u %2d\n",
406 amcc->pci_bus, amcc->pci_slot, amcc->pci_func,
407 amcc->vendor, amcc->device,
408 (unsigned long long)amcc->io_addr[0],
409 (unsigned long long)amcc->io_addr[2], amcc->irq,
410 amcc->used);
411
412 }
413}
414
415
416
417int i_pci_card_data(struct pcilst_struct *amcc,
418 unsigned char *pci_bus, unsigned char *pci_slot,
419 unsigned char *pci_func, resource_size_t * io_addr,
420 unsigned int *irq)
421{
422 int i;
423
424 if (!amcc)
425 return -1;
426 *pci_bus = amcc->pci_bus;
427 *pci_slot = amcc->pci_slot;
428 *pci_func = amcc->pci_func;
429 for (i = 0; i < 5; i++)
430 io_addr[i] = amcc->io_addr[i];
431 *irq = amcc->irq;
432 return 0;
433}
434
435
436
437struct pcilst_struct *ptr_select_and_alloc_pci_card(unsigned short vendor_id,
438 unsigned short device_id,
439 unsigned short pci_bus,
440 unsigned short pci_slot,
441 int i_Master)
442{
443 struct pcilst_struct *card;
444
445 if ((pci_bus < 1) & (pci_slot < 1)) {
446
447 card = ptr_find_free_pci_card_by_device(vendor_id, device_id);
448 if (card == NULL) {
449 printk(" - Unused card not found in system!\n");
450 return NULL;
451 }
452 } else {
453 switch (i_find_free_pci_card_by_position(vendor_id, device_id,
454 pci_bus, pci_slot,
455 &card)) {
456 case 1:
457 printk(" - Card not found on requested position b:s %d:%d!\n",
458 pci_bus, pci_slot);
459 return NULL;
460 case 2:
461 printk(" - Card on requested position is used b:s %d:%d!\n",
462 pci_bus, pci_slot);
463 return NULL;
464 }
465 }
466
467 if (pci_card_alloc(card, i_Master) != 0) {
468 printk(" - Can't allocate card!\n");
469 return NULL;
470
471 }
472
473 return card;
474}
475#endif
476
