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 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;
251 struct pcilst_struct *amcc, *last;
257 for (pcidev = pci_get_device(PCI_ANY_ID, PCI_ANY_ID, NULL);
259 pcidev = pci_get_device(PCI_ANY_ID, PCI_ANY_ID, pcidev)) {
260 for (i_Count = 0; i_Count < 2; i_Count++) {
261 pci_vendor = i_ADDIDATADeviceID[i_Count];
262 if (pcidev->vendor == pci_vendor) {
263 amcc = kmalloc(sizeof(*amcc), GFP_KERNEL);
264 memset(amcc, 0, sizeof(*amcc));
266 amcc->pcidev = pcidev;
273 amcc->vendor = pcidev->vendor;
274 amcc->device = pcidev->device;
275 amcc->pci_bus = pcidev->bus->number;
276 amcc->pci_slot = PCI_SLOT(pcidev->devfn);
277 amcc->pci_func = PCI_FUNC(pcidev->devfn);
278 /* Note: resources may be invalid if PCI device
279 * not enabled, but they are corrected in
281 for (i = 0; i < 5; i++)
283 pci_resource_start(pcidev, i);
284 amcc->irq = pcidev->irq;
291 v_pci_card_list_display();
294 /****************************************************************************/
295 /* free up list of amcc cards in this system */
296 void v_pci_card_list_cleanup(unsigned short pci_vendor)
298 struct pcilst_struct *amcc, *next;
300 for (amcc = amcc_devices; amcc; amcc = next) {
308 /****************************************************************************/
309 /* find first unused card with this device_id */
310 struct pcilst_struct *ptr_find_free_pci_card_by_device(unsigned short vendor_id,
311 unsigned short device_id)
313 struct pcilst_struct *amcc, *next;
315 for (amcc = amcc_devices; amcc; amcc = next) {
317 if ((!amcc->used) && (amcc->device == device_id)
318 && (amcc->vendor == vendor_id))
326 /****************************************************************************/
327 /* find card on requested position */
328 int i_find_free_pci_card_by_position(unsigned short vendor_id,
329 unsigned short device_id,
330 unsigned short pci_bus,
331 unsigned short pci_slot,
332 struct pcilst_struct **card)
334 struct pcilst_struct *amcc, *next;
337 for (amcc = amcc_devices; amcc; amcc = next) {
339 if ((amcc->vendor == vendor_id) && (amcc->device == device_id)
340 && (amcc->pci_bus == pci_bus)
341 && (amcc->pci_slot == pci_slot)) {
344 return 0; /* ok, card is found */
346 rt_printk(" - \nCard on requested position is used b:s %d:%d!\n",
348 return 2; /* card exist but is used */
357 /****************************************************************************/
358 /* mark card as used */
359 int pci_card_alloc(struct pcilst_struct *amcc, int master)
368 if (comedi_pci_enable(amcc->pcidev, "addi_amcc_s5933"))
370 /* Resources will be accurate now. */
371 for (i = 0; i < 5; i++)
372 amcc->io_addr[i] = pci_resource_start(amcc->pcidev, i);
374 pci_set_master(amcc->pcidev);
380 /****************************************************************************/
381 /* mark card as free */
382 int i_pci_card_free(struct pcilst_struct *amcc)
390 comedi_pci_disable(amcc->pcidev);
394 /****************************************************************************/
395 /* display list of found cards */
396 void v_pci_card_list_display(void)
398 struct pcilst_struct *amcc, *next;
400 printk(KERN_DEBUG "List of pci cards\n");
401 printk(KERN_DEBUG "bus:slot:func vendor device io_amcc io_daq irq used\n");
403 for (amcc = amcc_devices; amcc; amcc = next) {
406 ("%2d %2d %2d 0x%4x 0x%4x 0x%8llx 0x%8llx %2u %2d\n",
407 amcc->pci_bus, amcc->pci_slot, amcc->pci_func,
408 amcc->vendor, amcc->device,
409 (unsigned long long)amcc->io_addr[0],
410 (unsigned long long)amcc->io_addr[2], amcc->irq,
416 /****************************************************************************/
417 /* return all card information for driver */
418 int i_pci_card_data(struct pcilst_struct *amcc,
419 unsigned char *pci_bus, unsigned char *pci_slot,
420 unsigned char *pci_func, resource_size_t * io_addr,
427 *pci_bus = amcc->pci_bus;
428 *pci_slot = amcc->pci_slot;
429 *pci_func = amcc->pci_func;
430 for (i = 0; i < 5; i++)
431 io_addr[i] = amcc->io_addr[i];
436 /****************************************************************************/
437 /* select and alloc card */
438 struct pcilst_struct *ptr_select_and_alloc_pci_card(unsigned short vendor_id,
439 unsigned short device_id,
440 unsigned short pci_bus,
441 unsigned short pci_slot,
444 struct pcilst_struct *card;
446 if ((pci_bus < 1) & (pci_slot < 1)) {
447 /* use autodetection */
448 card = ptr_find_free_pci_card_by_device(vendor_id, device_id);
450 rt_printk(" - Unused card not found in system!\n");
454 switch (i_find_free_pci_card_by_position(vendor_id, device_id,
458 rt_printk(" - Card not found on requested position b:s %d:%d!\n",
462 rt_printk(" - Card on requested position is used b:s %d:%d!\n",
468 if (pci_card_alloc(card, i_Master) != 0) {
469 rt_printk(" - Can't allocate card!\n");