2
* Copyright (C) 2004,2005 ADDI-DATA GmbH for the source code of this module.
7
* Tel: +19(0)7223/9493-0
8
* Fax: +49(0)7223/9493-92
9
* http://www.addi-data.com
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)
18
/* Header file for AMCC s 5933 */
20
#ifndef _AMCC_S5933_H_
21
#define _AMCC_S5933_H_
23
#include "../../comedidev.h"
25
#include "../comedi_pci.h"
27
#ifdef PCI_SUPPORT_VER1
28
#error No support for 2.1.55 and older
31
/* written on base0 */
32
#define FIFO_ADVANCE_ON_BYTE_2 0x20000000
34
/* added for step 6 dma written on base2 */
35
#define AMWEN_ENABLE 0x02
37
#define A2P_FIFO_WRITE_ENABLE 0x01
39
/* for transfer count enable bit */
40
#define AGCSTS_TC_ENABLE 0x10000000
43
* ADDON RELATED ADDITIONS
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
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)
67
#define APCI3120_AMCC_OP_MCSR 0x3C
68
#define APCI3120_AMCC_OP_REG_INTCSR 0x38
71
* AMCC Operation Register Offsets - PCI
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
89
#define AMCC_OP_REG_INTCSR_SRC (AMCC_OP_REG_INTCSR + 2)
91
#define AMCC_OP_REG_INTCSR_FEC (AMCC_OP_REG_INTCSR + 3)
92
#define AMCC_OP_REG_MCSR 0x3c
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)
98
#define AMCC_FIFO_DEPTH_DWORD 8
99
#define AMCC_FIFO_DEPTH_BYTES (8 * sizeof(u32))
102
* AMCC Operation Registers Size - PCI
104
#define AMCC_OP_REG_SIZE 64 /* in bytes */
107
* AMCC Operation Register Offsets - Add-on
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
129
* AMCC - Add-on General Control/Status Register
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
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)
145
#define AGCSTS_A2P_TCOUNT 0x00000080
146
#define AGCSTS_P2A_TCOUNT 0x00000040
148
#define AGCSTS_FS_P2A_EMPTY 0x00000020
149
#define AGCSTS_FS_P2A_HALF 0x00000010
150
#define AGCSTS_FS_P2A_FULL 0x00000008
152
#define AGCSTS_FS_A2P_EMPTY 0x00000004
153
#define AGCSTS_FS_A2P_HALF 0x00000002
154
#define AGCSTS_FS_A2P_FULL 0x00000001
157
* AMCC - Add-on Interrupt Control/Status Register
159
#define AINT_INT_MASK 0x00ff0000
160
#define AINT_SEL_MASK 0x0000ffff
161
#define AINT_IS_ENSEL_MASK 0x00001f1f
163
#define AINT_INT_ASSERTED 0x00800000
164
#define AINT_BM_ERROR 0x00200000
165
#define AINT_BIST_INT 0x00100000
167
#define AINT_RT_COMPLETE 0x00080000
168
#define AINT_WT_COMPLETE 0x00040000
170
#define AINT_OUT_MB_INT 0x00020000
171
#define AINT_IN_MB_INT 0x00010000
173
#define AINT_READ_COMPL 0x00008000
174
#define AINT_WRITE_COMPL 0x00004000
176
#define AINT_OMB_ENABLE 0x00001000
177
#define AINT_OMB_SELECT 0x00000c00
178
#define AINT_OMB_BYTE 0x00000300
180
#define AINT_IMB_ENABLE 0x00000010
181
#define AINT_IMB_SELECT 0x0000000c
182
#define AINT_IMB_BYTE 0x00000003
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
199
/****************************************************************************/
201
struct pcilst_struct {
202
struct pcilst_struct *next;
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];
214
/* ptr to root list of all amcc devices */
215
static struct pcilst_struct *amcc_devices;
217
static const int i_ADDIDATADeviceID[] = { 0x15B8, 0x10E8 };
219
/****************************************************************************/
221
void v_pci_card_list_init(unsigned short pci_vendor, char display);
222
void v_pci_card_list_cleanup(unsigned short pci_vendor);
223
struct pcilst_struct *ptr_find_free_pci_card_by_device(unsigned short vendor_id,
226
int 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);
231
struct 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,
237
int pci_card_alloc(struct pcilst_struct *amcc, int master);
238
int i_pci_card_free(struct pcilst_struct *amcc);
239
void v_pci_card_list_display(void);
240
int 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,
245
/****************************************************************************/
247
/* build list of amcc cards in this system */
248
void v_pci_card_list_init(unsigned short pci_vendor, char display)
250
struct pci_dev *pcidev = NULL;
251
struct pcilst_struct *amcc, *last;
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);
265
amcc->pcidev = pcidev;
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
/* Note: resources may be invalid if PCI device
278
* not enabled, but they are corrected in
280
for (i = 0; i < 5; i++)
282
pci_resource_start(pcidev, i);
283
amcc->irq = pcidev->irq;
290
v_pci_card_list_display();
293
/****************************************************************************/
294
/* free up list of amcc cards in this system */
295
void v_pci_card_list_cleanup(unsigned short pci_vendor)
297
struct pcilst_struct *amcc, *next;
299
for (amcc = amcc_devices; amcc; amcc = next) {
307
/****************************************************************************/
308
/* find first unused card with this device_id */
309
struct pcilst_struct *ptr_find_free_pci_card_by_device(unsigned short vendor_id,
310
unsigned short device_id)
312
struct pcilst_struct *amcc, *next;
314
for (amcc = amcc_devices; amcc; amcc = next) {
316
if ((!amcc->used) && (amcc->device == device_id)
317
&& (amcc->vendor == vendor_id))
325
/****************************************************************************/
326
/* find card on requested position */
327
int 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)
333
struct pcilst_struct *amcc, *next;
336
for (amcc = amcc_devices; amcc; amcc = next) {
338
if ((amcc->vendor == vendor_id) && (amcc->device == device_id)
339
&& (amcc->pci_bus == pci_bus)
340
&& (amcc->pci_slot == pci_slot)) {
343
return 0; /* ok, card is found */
345
printk(" - \nCard on requested position is used b:s %d:%d!\n",
347
return 2; /* card exist but is used */
356
/****************************************************************************/
357
/* mark card as used */
358
int pci_card_alloc(struct pcilst_struct *amcc, int master)
367
if (comedi_pci_enable(amcc->pcidev, "addi_amcc_s5933"))
369
/* Resources will be accurate now. */
370
for (i = 0; i < 5; i++)
371
amcc->io_addr[i] = pci_resource_start(amcc->pcidev, i);
373
pci_set_master(amcc->pcidev);
379
/****************************************************************************/
380
/* mark card as free */
381
int i_pci_card_free(struct pcilst_struct *amcc)
389
comedi_pci_disable(amcc->pcidev);
393
/****************************************************************************/
394
/* display list of found cards */
395
void v_pci_card_list_display(void)
397
struct pcilst_struct *amcc, *next;
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");
402
for (amcc = amcc_devices; amcc; amcc = next) {
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,
415
/****************************************************************************/
416
/* return all card information for driver */
417
int 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,
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];
435
/****************************************************************************/
436
/* select and alloc card */
437
struct 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,
443
struct pcilst_struct *card;
445
if ((pci_bus < 1) & (pci_slot < 1)) {
446
/* use autodetection */
447
card = ptr_find_free_pci_card_by_device(vendor_id, device_id);
449
printk(" - Unused card not found in system!\n");
453
switch (i_find_free_pci_card_by_position(vendor_id, device_id,
457
printk(" - Card not found on requested position b:s %d:%d!\n",
461
printk(" - Card on requested position is used b:s %d:%d!\n",
467
if (pci_card_alloc(card, i_Master) != 0) {
468
printk(" - Can't allocate card!\n");