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[net-next-2.6.git] / drivers / staging / comedi / drivers / addi-data / addi_amcc_s5933.h
CommitLineData
c995fe94 1/*
15d8826a
GKH		 2 * Copyright (C) 2004,2005 ADDI-DATA GmbH for the source code of this module.
3 *
4 * ADDI-DATA GmbH
5 * Dieselstrasse 3
6 * D-77833 Ottersweier
7 * Tel: +19(0)7223/9493-0
8 * Fax: +49(0)7223/9493-92
9 * http://www.addi-data-com
10 * info@addi-data.com
11 *
12 * This program is free software; you can redistribute it and/or modify it
13 * under the terms of the GNU General Public License as published by the Free
14 * Software Foundation; either version 2 of the License, or (at your option)
15 * any later version.
16 */
17
18/* Header file for AMCC s 5933 */
c995fe94
ADG		 19
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
15d8826a
GKH		 31/* written on base0 */
32#define FIFO_ADVANCE_ON_BYTE_2 0x20000000
c995fe94 33
15d8826a
GKH		 34/* added for step 6 dma written on base2 */
35#define AMWEN_ENABLE 0x02
c995fe94 36
15d8826a 37#define A2P_FIFO_WRITE_ENABLE 0x01
c995fe94 38
15d8826a
GKH		 39/* for transfer count enable bit */
40#define AGCSTS_TC_ENABLE 0x10000000
c995fe94 41
15d8826a
GKH		 42/*
43 * ADDON RELATED ADDITIONS
44 */
45/* Constant */
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/* ADD_ON ::: this needed since apci supports 16 bit interface to add on */
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/* AMCC */
67#define APCI3120_AMCC_OP_MCSR 0x3C
68#define APCI3120_AMCC_OP_REG_INTCSR 0x38
c995fe94 69
15d8826a
GKH		 70/*
71 * AMCC Operation Register Offsets - PCI
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
74b894e5 88/* int source */
15d8826a
GKH		 89#define AMCC_OP_REG_INTCSR_SRC (AMCC_OP_REG_INTCSR + 2)
90/* FIFO ctrl */
91#define AMCC_OP_REG_INTCSR_FEC (AMCC_OP_REG_INTCSR + 3)
92#define AMCC_OP_REG_MCSR 0x3c
93/* Data in byte 2 */
94#define AMCC_OP_REG_MCSR_NVDATA (AMCC_OP_REG_MCSR + 2)
95/* Command in byte 3 */
96#define AMCC_OP_REG_MCSR_NVCMD (AMCC_OP_REG_MCSR + 3)
c995fe94 97
15d8826a
GKH		 98#define AMCC_FIFO_DEPTH_DWORD 8
99#define AMCC_FIFO_DEPTH_BYTES (8 * sizeof(u32))
c995fe94 100
15d8826a
GKH		 101/*
102 * AMCC Operation Registers Size - PCI
103 */
104#define AMCC_OP_REG_SIZE 64 /* in bytes */
c995fe94 105
15d8826a
GKH		 106/*
107 * AMCC Operation Register Offsets - Add-on
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
c995fe94 127
15d8826a
GKH		 128/*
129 * AMCC - Add-on General Control/Status Register
130 */
c995fe94
ADG		 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
15d8826a
GKH		 156/*
157 * AMCC - Add-on Interrupt Control/Status Register
158 */
c995fe94
ADG		 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/* Enable Bus Mastering */
185#define EN_A2P_TRANSFERS 0x00000400
186/* FIFO Flag Reset */
187#define RESET_A2P_FLAGS 0x04000000L
188/* FIFO Relative Priority */
189#define A2P_HI_PRIORITY 0x00000100L
190/* Identify Interrupt Sources */
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
15d8826a 214/* ptr to root list of all amcc devices */
ad2d4714 215static struct pcilst_struct *amcc_devices;
c995fe94
ADG		 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,
15d8826a
GKH		 224 unsigned short
225 device_id);
c995fe94 226int i_find_free_pci_card_by_position(unsigned short vendor_id,
15d8826a
GKH		 227 unsigned short device_id,
228 unsigned short pci_bus,
229 unsigned short pci_slot,
230 struct pcilst_struct **card);
c995fe94 231struct pcilst_struct *ptr_select_and_alloc_pci_card(unsigned short vendor_id,
15d8826a
GKH		 232 unsigned short device_id,
233 unsigned short pci_bus,
234 unsigned short pci_slot,
235 int i_Master);
c995fe94
ADG		 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,
15d8826a
GKH		 241 unsigned char *pci_bus, unsigned char *pci_slot,
242 unsigned char *pci_func, resource_size_t * io_addr,
243 unsigned int *irq);
c995fe94
ADG		 244
245/****************************************************************************/
246
247/* build list of amcc cards in this system */
248void v_pci_card_list_init(unsigned short pci_vendor, char display)
249{
250 struct pci_dev *pcidev;
251 struct pcilst_struct *amcc, *last;
252 int i;
253 int i_Count = 0;
254 amcc_devices = NULL;
255 last = NULL;
256
257 for (pcidev = pci_get_device(PCI_ANY_ID, PCI_ANY_ID, NULL);
15d8826a
GKH		 258 pcidev != NULL;
259 pcidev = pci_get_device(PCI_ANY_ID, PCI_ANY_ID, pcidev)) {
c995fe94
ADG		 260 for (i_Count = 0; i_Count < 2; i_Count++) {
261 pci_vendor = i_ADDIDATADeviceID[i_Count];
262 if (pcidev->vendor == pci_vendor) {
7a6cb0d5 263 amcc = kzalloc(sizeof(*amcc), GFP_KERNEL);
a2279ae5
RK		 264 if (amcc == NULL)
265 continue;
266
c995fe94 267 amcc->pcidev = pcidev;
15d8826a 268 if (last)
c995fe94 269 last->next = amcc;
15d8826a 270 else
c995fe94 271 amcc_devices = amcc;
c995fe94
ADG		 272 last = amcc;
273
274 amcc->vendor = pcidev->vendor;
275 amcc->device = pcidev->device;
276 amcc->pci_bus = pcidev->bus->number;
277 amcc->pci_slot = PCI_SLOT(pcidev->devfn);
278 amcc->pci_func = PCI_FUNC(pcidev->devfn);
279 /* Note: resources may be invalid if PCI device
280 * not enabled, but they are corrected in
281 * pci_card_alloc. */
282 for (i = 0; i < 5; i++)
283 amcc->io_addr[i] =
15d8826a 284 pci_resource_start(pcidev, i);
c995fe94
ADG		 285 amcc->irq = pcidev->irq;
286
287 }
288 }
289 }
290
291 if (display)
292 v_pci_card_list_display();
293}
294
295/****************************************************************************/
296/* free up list of amcc cards in this system */
297void v_pci_card_list_cleanup(unsigned short pci_vendor)
298{
299 struct pcilst_struct *amcc, *next;
300
301 for (amcc = amcc_devices; amcc; amcc = next) {
302 next = amcc->next;
303 kfree(amcc);
304 }
305
306 amcc_devices = NULL;
307}
308
309/****************************************************************************/
310/* find first unused card with this device_id */
311struct pcilst_struct *ptr_find_free_pci_card_by_device(unsigned short vendor_id,
15d8826a 312 unsigned short device_id)
c995fe94
ADG		 313{
314 struct pcilst_struct *amcc, *next;
315
316 for (amcc = amcc_devices; amcc; amcc = next) {
317 next = amcc->next;
318 if ((!amcc->used) && (amcc->device == device_id)
15d8826a 319 && (amcc->vendor == vendor_id))
c995fe94
ADG		 320 return amcc;
321
322 }
323
324 return NULL;
325}
326
327/****************************************************************************/
328/* find card on requested position */
329int i_find_free_pci_card_by_position(unsigned short vendor_id,
15d8826a
GKH		 330 unsigned short device_id,
331 unsigned short pci_bus,
332 unsigned short pci_slot,
333 struct pcilst_struct **card)
c995fe94
ADG		 334{
335 struct pcilst_struct *amcc, *next;
336
337 *card = NULL;
338 for (amcc = amcc_devices; amcc; amcc = next) {
339 next = amcc->next;
340 if ((amcc->vendor == vendor_id) && (amcc->device == device_id)
15d8826a
GKH		 341 && (amcc->pci_bus == pci_bus)
342 && (amcc->pci_slot == pci_slot)) {
c995fe94
ADG		 343 if (!(amcc->used)) {
344 *card = amcc;
15d8826a 345 return 0; /* ok, card is found */
c995fe94 346 } else {
5f74ea14 347 printk(" - \nCard on requested position is used b:s %d:%d!\n",
15d8826a
GKH		 348 pci_bus, pci_slot);
349 return 2; /* card exist but is used */
c995fe94
ADG		 350 }
351 }
352 }
353
15d8826a
GKH		 354 /* no card found */
355 return 1;
c995fe94
ADG		 356}
357
358/****************************************************************************/
359/* mark card as used */
360int pci_card_alloc(struct pcilst_struct *amcc, int master)
361{
362 int i;
363
364 if (!amcc)
365 return -1;
366
367 if (amcc->used)
368 return 1;
369 if (comedi_pci_enable(amcc->pcidev, "addi_amcc_s5933"))
370 return -1;
371 /* Resources will be accurate now. */
372 for (i = 0; i < 5; i++)
373 amcc->io_addr[i] = pci_resource_start(amcc->pcidev, i);
374 if (master)
375 pci_set_master(amcc->pcidev);
376 amcc->used = 1;
377
378 return 0;
379}
380
381/****************************************************************************/
382/* mark card as free */
383int i_pci_card_free(struct pcilst_struct *amcc)
384{
385 if (!amcc)
386 return -1;
387
388 if (!amcc->used)
389 return 1;
390 amcc->used = 0;
391 comedi_pci_disable(amcc->pcidev);
392 return 0;
393}
394
395/****************************************************************************/
396/* display list of found cards */
397void v_pci_card_list_display(void)
398{
399 struct pcilst_struct *amcc, *next;
400
15d8826a
GKH		 401 printk(KERN_DEBUG "List of pci cards\n");
402 printk(KERN_DEBUG "bus:slot:func vendor device io_amcc io_daq irq used\n");
c995fe94
ADG		 403
404 for (amcc = amcc_devices; amcc; amcc = next) {
405 next = amcc->next;
15d8826a
GKH		 406 printk
407 ("%2d %2d %2d 0x%4x 0x%4x 0x%8llx 0x%8llx %2u %2d\n",
408 amcc->pci_bus, amcc->pci_slot, amcc->pci_func,
409 amcc->vendor, amcc->device,
410 (unsigned long long)amcc->io_addr[0],
411 (unsigned long long)amcc->io_addr[2], amcc->irq,
412 amcc->used);
c995fe94
ADG		 413
414 }
415}
416
417/****************************************************************************/
418/* return all card information for driver */
419int i_pci_card_data(struct pcilst_struct *amcc,
15d8826a
GKH		 420 unsigned char *pci_bus, unsigned char *pci_slot,
421 unsigned char *pci_func, resource_size_t * io_addr,
422 unsigned int *irq)
c995fe94
ADG		 423{
424 int i;
425
426 if (!amcc)
427 return -1;
428 *pci_bus = amcc->pci_bus;
429 *pci_slot = amcc->pci_slot;
430 *pci_func = amcc->pci_func;
431 for (i = 0; i < 5; i++)
432 io_addr[i] = amcc->io_addr[i];
433 *irq = amcc->irq;
434 return 0;
435}
436
437/****************************************************************************/
438/* select and alloc card */
439struct pcilst_struct *ptr_select_and_alloc_pci_card(unsigned short vendor_id,
15d8826a
GKH		 440 unsigned short device_id,
441 unsigned short pci_bus,
442 unsigned short pci_slot,
443 int i_Master)
c995fe94
ADG		 444{
445 struct pcilst_struct *card;
446
15d8826a
GKH		 447 if ((pci_bus < 1) & (pci_slot < 1)) {
448 /* use autodetection */
449 card = ptr_find_free_pci_card_by_device(vendor_id, device_id);
450 if (card == NULL) {
5f74ea14 451 printk(" - Unused card not found in system!\n");
c995fe94
ADG		 452 return NULL;
453 }
454 } else {
455 switch (i_find_free_pci_card_by_position(vendor_id, device_id,
15d8826a
GKH		 456 pci_bus, pci_slot,
457 &card)) {
c995fe94 458 case 1:
5f74ea14 459 printk(" - Card not found on requested position b:s %d:%d!\n",
15d8826a 460 pci_bus, pci_slot);
c995fe94
ADG		 461 return NULL;
462 case 2:
5f74ea14 463 printk(" - Card on requested position is used b:s %d:%d!\n",
15d8826a 464 pci_bus, pci_slot);
c995fe94
ADG		 465 return NULL;
466 }
467 }
468
469 if (pci_card_alloc(card, i_Master) != 0) {
5f74ea14 470 printk(" - Can't allocate card!\n");
c995fe94
ADG		 471 return NULL;
472
473 }
474
475 return card;
476}
477#endif
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