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736759ef | 1 | /* SPDX-License-Identifier: GPL-2.0+ */ |
1da177e4 LT |
2 | #ifndef __IBMPHP_H |
3 | #define __IBMPHP_H | |
4 | ||
5 | /* | |
6 | * IBM Hot Plug Controller Driver | |
7 | * | |
8 | * Written By: Jyoti Shah, Tong Yu, Irene Zubarev, IBM Corporation | |
9 | * | |
10 | * Copyright (C) 2001 Greg Kroah-Hartman (greg@kroah.com) | |
11 | * Copyright (C) 2001-2003 IBM Corp. | |
12 | * | |
13 | * All rights reserved. | |
14 | * | |
1da177e4 LT |
15 | * Send feedback to <gregkh@us.ibm.com> |
16 | * | |
17 | */ | |
18 | ||
7a54f25c | 19 | #include <linux/pci_hotplug.h> |
1da177e4 LT |
20 | |
21 | extern int ibmphp_debug; | |
22 | ||
23 | #if !defined(MODULE) | |
24 | #define MY_NAME "ibmphpd" | |
25 | #else | |
26 | #define MY_NAME THIS_MODULE->name | |
27 | #endif | |
ff3ce480 BS |
28 | #define debug(fmt, arg...) do { if (ibmphp_debug == 1) printk(KERN_DEBUG "%s: " fmt, MY_NAME, ## arg); } while (0) |
29 | #define debug_pci(fmt, arg...) do { if (ibmphp_debug) printk(KERN_DEBUG "%s: " fmt, MY_NAME, ## arg); } while (0) | |
30 | #define err(format, arg...) printk(KERN_ERR "%s: " format, MY_NAME, ## arg) | |
31 | #define info(format, arg...) printk(KERN_INFO "%s: " format, MY_NAME, ## arg) | |
32 | #define warn(format, arg...) printk(KERN_WARNING "%s: " format, MY_NAME, ## arg) | |
1da177e4 LT |
33 | |
34 | ||
35 | /* EBDA stuff */ | |
36 | ||
37 | /*********************************************************** | |
38 | * SLOT CAPABILITY * | |
39 | ***********************************************************/ | |
40 | ||
41 | #define EBDA_SLOT_133_MAX 0x20 | |
42 | #define EBDA_SLOT_100_MAX 0x10 | |
43 | #define EBDA_SLOT_66_MAX 0x02 | |
44 | #define EBDA_SLOT_PCIX_CAP 0x08 | |
45 | ||
46 | ||
47 | /************************************************************ | |
f7625980 | 48 | * RESOURCE TYPE * |
1da177e4 LT |
49 | ************************************************************/ |
50 | ||
51 | #define EBDA_RSRC_TYPE_MASK 0x03 | |
52 | #define EBDA_IO_RSRC_TYPE 0x00 | |
53 | #define EBDA_MEM_RSRC_TYPE 0x01 | |
54 | #define EBDA_PFM_RSRC_TYPE 0x03 | |
55 | #define EBDA_RES_RSRC_TYPE 0x02 | |
56 | ||
57 | ||
58 | /************************************************************* | |
59 | * IO RESTRICTION TYPE * | |
60 | *************************************************************/ | |
61 | ||
62 | #define EBDA_IO_RESTRI_MASK 0x0c | |
63 | #define EBDA_NO_RESTRI 0x00 | |
64 | #define EBDA_AVO_VGA_ADDR 0x04 | |
65 | #define EBDA_AVO_VGA_ADDR_AND_ALIA 0x08 | |
66 | #define EBDA_AVO_ISA_ADDR 0x0c | |
67 | ||
68 | ||
69 | /************************************************************** | |
70 | * DEVICE TYPE DEF * | |
71 | **************************************************************/ | |
72 | ||
73 | #define EBDA_DEV_TYPE_MASK 0x10 | |
74 | #define EBDA_PCI_DEV 0x10 | |
75 | #define EBDA_NON_PCI_DEV 0x00 | |
76 | ||
77 | ||
78 | /*************************************************************** | |
79 | * PRIMARY DEF DEFINITION * | |
80 | ***************************************************************/ | |
81 | ||
82 | #define EBDA_PRI_DEF_MASK 0x20 | |
83 | #define EBDA_PRI_PCI_BUS_INFO 0x20 | |
84 | #define EBDA_NORM_DEV_RSRC_INFO 0x00 | |
85 | ||
86 | ||
87 | //-------------------------------------------------------------- | |
88 | // RIO TABLE DATA STRUCTURE | |
89 | //-------------------------------------------------------------- | |
90 | ||
91 | struct rio_table_hdr { | |
f7625980 | 92 | u8 ver_num; |
1da177e4 LT |
93 | u8 scal_count; |
94 | u8 riodev_count; | |
95 | u16 offset; | |
96 | }; | |
97 | ||
98 | //------------------------------------------------------------- | |
99 | // SCALABILITY DETAIL | |
100 | //------------------------------------------------------------- | |
101 | ||
102 | struct scal_detail { | |
103 | u8 node_id; | |
104 | u32 cbar; | |
105 | u8 port0_node_connect; | |
106 | u8 port0_port_connect; | |
107 | u8 port1_node_connect; | |
108 | u8 port1_port_connect; | |
109 | u8 port2_node_connect; | |
110 | u8 port2_port_connect; | |
111 | u8 chassis_num; | |
112 | // struct list_head scal_detail_list; | |
113 | }; | |
114 | ||
115 | //-------------------------------------------------------------- | |
f7625980 | 116 | // RIO DETAIL |
1da177e4 LT |
117 | //-------------------------------------------------------------- |
118 | ||
119 | struct rio_detail { | |
120 | u8 rio_node_id; | |
121 | u32 bbar; | |
122 | u8 rio_type; | |
123 | u8 owner_id; | |
124 | u8 port0_node_connect; | |
125 | u8 port0_port_connect; | |
126 | u8 port1_node_connect; | |
127 | u8 port1_port_connect; | |
128 | u8 first_slot_num; | |
129 | u8 status; | |
130 | u8 wpindex; | |
131 | u8 chassis_num; | |
132 | struct list_head rio_detail_list; | |
133 | }; | |
134 | ||
135 | struct opt_rio { | |
136 | u8 rio_type; | |
137 | u8 chassis_num; | |
138 | u8 first_slot_num; | |
139 | u8 middle_num; | |
140 | struct list_head opt_rio_list; | |
f7625980 | 141 | }; |
1da177e4 LT |
142 | |
143 | struct opt_rio_lo { | |
144 | u8 rio_type; | |
145 | u8 chassis_num; | |
146 | u8 first_slot_num; | |
147 | u8 middle_num; | |
148 | u8 pack_count; | |
149 | struct list_head opt_rio_lo_list; | |
f7625980 | 150 | }; |
1da177e4 LT |
151 | |
152 | /**************************************************************** | |
153 | * HPC DESCRIPTOR NODE * | |
154 | ****************************************************************/ | |
155 | ||
156 | struct ebda_hpc_list { | |
157 | u8 format; | |
158 | u16 num_ctlrs; | |
159 | short phys_addr; | |
160 | // struct list_head ebda_hpc_list; | |
161 | }; | |
162 | /***************************************************************** | |
163 | * IN HPC DATA STRUCTURE, THE ASSOCIATED SLOT AND BUS * | |
164 | * STRUCTURE * | |
165 | *****************************************************************/ | |
166 | ||
167 | struct ebda_hpc_slot { | |
168 | u8 slot_num; | |
169 | u32 slot_bus_num; | |
170 | u8 ctl_index; | |
171 | u8 slot_cap; | |
172 | }; | |
173 | ||
174 | struct ebda_hpc_bus { | |
175 | u32 bus_num; | |
176 | u8 slots_at_33_conv; | |
177 | u8 slots_at_66_conv; | |
178 | u8 slots_at_66_pcix; | |
179 | u8 slots_at_100_pcix; | |
180 | u8 slots_at_133_pcix; | |
181 | }; | |
182 | ||
183 | ||
184 | /******************************************************************** | |
eaae4b3a | 185 | * THREE TYPE OF HOT PLUG CONTROLLER * |
1da177e4 LT |
186 | ********************************************************************/ |
187 | ||
188 | struct isa_ctlr_access { | |
189 | u16 io_start; | |
190 | u16 io_end; | |
191 | }; | |
192 | ||
193 | struct pci_ctlr_access { | |
194 | u8 bus; | |
195 | u8 dev_fun; | |
196 | }; | |
197 | ||
198 | struct wpeg_i2c_ctlr_access { | |
199 | ulong wpegbbar; | |
200 | u8 i2c_addr; | |
201 | }; | |
202 | ||
203 | #define HPC_DEVICE_ID 0x0246 | |
204 | #define HPC_SUBSYSTEM_ID 0x0247 | |
205 | #define HPC_PCI_OFFSET 0x40 | |
206 | /************************************************************************* | |
207 | * RSTC DESCRIPTOR NODE * | |
208 | *************************************************************************/ | |
209 | ||
210 | struct ebda_rsrc_list { | |
211 | u8 format; | |
212 | u16 num_entries; | |
213 | u16 phys_addr; | |
214 | struct ebda_rsrc_list *next; | |
215 | }; | |
216 | ||
217 | ||
218 | /*************************************************************************** | |
219 | * PCI RSRC NODE * | |
220 | ***************************************************************************/ | |
221 | ||
222 | struct ebda_pci_rsrc { | |
223 | u8 rsrc_type; | |
224 | u8 bus_num; | |
225 | u8 dev_fun; | |
226 | u32 start_addr; | |
227 | u32 end_addr; | |
228 | u8 marked; /* for NVRAM */ | |
229 | struct list_head ebda_pci_rsrc_list; | |
230 | }; | |
231 | ||
232 | ||
233 | /*********************************************************** | |
234 | * BUS_INFO DATE STRUCTURE * | |
235 | ***********************************************************/ | |
236 | ||
237 | struct bus_info { | |
238 | u8 slot_min; | |
239 | u8 slot_max; | |
240 | u8 slot_count; | |
241 | u8 busno; | |
242 | u8 controller_id; | |
243 | u8 current_speed; | |
244 | u8 current_bus_mode; | |
245 | u8 index; | |
246 | u8 slots_at_33_conv; | |
247 | u8 slots_at_66_conv; | |
248 | u8 slots_at_66_pcix; | |
249 | u8 slots_at_100_pcix; | |
250 | u8 slots_at_133_pcix; | |
251 | struct list_head bus_info_list; | |
252 | }; | |
253 | ||
254 | ||
255 | /*********************************************************** | |
256 | * GLOBAL VARIABLES * | |
257 | ***********************************************************/ | |
258 | extern struct list_head ibmphp_ebda_pci_rsrc_head; | |
259 | extern struct list_head ibmphp_slot_head; | |
260 | /*********************************************************** | |
261 | * FUNCTION PROTOTYPES * | |
262 | ***********************************************************/ | |
263 | ||
f39d5b72 BH |
264 | void ibmphp_free_ebda_hpc_queue(void); |
265 | int ibmphp_access_ebda(void); | |
266 | struct slot *ibmphp_get_slot_from_physical_num(u8); | |
267 | int ibmphp_get_total_hp_slots(void); | |
268 | void ibmphp_free_ibm_slot(struct slot *); | |
269 | void ibmphp_free_bus_info_queue(void); | |
270 | void ibmphp_free_ebda_pci_rsrc_queue(void); | |
271 | struct bus_info *ibmphp_find_same_bus_num(u32); | |
272 | int ibmphp_get_bus_index(u8); | |
273 | u16 ibmphp_get_total_controllers(void); | |
274 | int ibmphp_register_pci(void); | |
1da177e4 LT |
275 | |
276 | /* passed parameters */ | |
277 | #define MEM 0 | |
278 | #define IO 1 | |
279 | #define PFMEM 2 | |
280 | ||
281 | /* bit masks */ | |
282 | #define RESTYPE 0x03 | |
283 | #define IOMASK 0x00 /* will need to take its complement */ | |
284 | #define MMASK 0x01 | |
285 | #define PFMASK 0x03 | |
286 | #define PCIDEVMASK 0x10 /* we should always have PCI devices */ | |
287 | #define PRIMARYBUSMASK 0x20 | |
288 | ||
289 | /* pci specific defines */ | |
290 | #define PCI_VENDOR_ID_NOTVALID 0xFFFF | |
291 | #define PCI_HEADER_TYPE_MULTIDEVICE 0x80 | |
292 | #define PCI_HEADER_TYPE_MULTIBRIDGE 0x81 | |
293 | ||
294 | #define LATENCY 0x64 | |
295 | #define CACHE 64 | |
296 | #define DEVICEENABLE 0x015F /* CPQ has 0x0157 */ | |
297 | ||
298 | #define IOBRIDGE 0x1000 /* 4k */ | |
299 | #define MEMBRIDGE 0x100000 /* 1M */ | |
300 | ||
301 | /* irqs */ | |
302 | #define SCSI_IRQ 0x09 | |
303 | #define LAN_IRQ 0x0A | |
304 | #define OTHER_IRQ 0x0B | |
305 | ||
306 | /* Data Structures */ | |
307 | ||
308 | /* type is of the form x x xx xx | |
309 | * | | | |_ 00 - I/O, 01 - Memory, 11 - PFMemory | |
310 | * | | - 00 - No Restrictions, 01 - Avoid VGA, 10 - Avoid | |
311 | * | | VGA and their aliases, 11 - Avoid ISA | |
312 | * | - 1 - PCI device, 0 - non pci device | |
313 | * - 1 - Primary PCI Bus Information (0 if Normal device) | |
314 | * the IO restrictions [2:3] are only for primary buses | |
315 | */ | |
316 | ||
317 | ||
318 | /* we need this struct because there could be several resource blocks | |
319 | * allocated per primary bus in the EBDA | |
320 | */ | |
321 | struct range_node { | |
322 | int rangeno; | |
323 | u32 start; | |
324 | u32 end; | |
325 | struct range_node *next; | |
326 | }; | |
327 | ||
328 | struct bus_node { | |
329 | u8 busno; | |
330 | int noIORanges; | |
331 | struct range_node *rangeIO; | |
332 | int noMemRanges; | |
333 | struct range_node *rangeMem; | |
334 | int noPFMemRanges; | |
335 | struct range_node *rangePFMem; | |
336 | int needIOUpdate; | |
337 | int needMemUpdate; | |
338 | int needPFMemUpdate; | |
339 | struct resource_node *firstIO; /* first IO resource on the Bus */ | |
340 | struct resource_node *firstMem; /* first memory resource on the Bus */ | |
341 | struct resource_node *firstPFMem; /* first prefetchable memory resource on the Bus */ | |
342 | struct resource_node *firstPFMemFromMem; /* when run out of pfmem available, taking from Mem */ | |
343 | struct list_head bus_list; | |
344 | }; | |
345 | ||
346 | struct resource_node { | |
347 | int rangeno; | |
348 | u8 busno; | |
349 | u8 devfunc; | |
350 | u32 start; | |
351 | u32 end; | |
352 | u32 len; | |
353 | int type; /* MEM, IO, PFMEM */ | |
354 | u8 fromMem; /* this is to indicate that the range is from | |
355 | * from the Memory bucket rather than from PFMem */ | |
356 | struct resource_node *next; | |
357 | struct resource_node *nextRange; /* for the other mem range on bus */ | |
358 | }; | |
359 | ||
360 | struct res_needed { | |
361 | u32 mem; | |
362 | u32 pfmem; | |
363 | u32 io; | |
364 | u8 not_correct; /* needed for return */ | |
365 | int devices[32]; /* for device numbers behind this bridge */ | |
366 | }; | |
367 | ||
368 | /* functions */ | |
369 | ||
f39d5b72 BH |
370 | int ibmphp_rsrc_init(void); |
371 | int ibmphp_add_resource(struct resource_node *); | |
372 | int ibmphp_remove_resource(struct resource_node *); | |
373 | int ibmphp_find_resource(struct bus_node *, u32, struct resource_node **, int); | |
374 | int ibmphp_check_resource(struct resource_node *, u8); | |
375 | int ibmphp_remove_bus(struct bus_node *, u8); | |
376 | void ibmphp_free_resources(void); | |
377 | int ibmphp_add_pfmem_from_mem(struct resource_node *); | |
378 | struct bus_node *ibmphp_find_res_bus(u8); | |
379 | void ibmphp_print_test(void); /* for debugging purposes */ | |
1da177e4 | 380 | |
f39d5b72 BH |
381 | void ibmphp_hpc_initvars(void); |
382 | int ibmphp_hpc_readslot(struct slot *, u8, u8 *); | |
383 | int ibmphp_hpc_writeslot(struct slot *, u8); | |
384 | void ibmphp_lock_operations(void); | |
385 | void ibmphp_unlock_operations(void); | |
386 | int ibmphp_hpc_start_poll_thread(void); | |
387 | void ibmphp_hpc_stop_poll_thread(void); | |
1da177e4 LT |
388 | |
389 | //---------------------------------------------------------------------------- | |
390 | ||
391 | ||
392 | //---------------------------------------------------------------------------- | |
393 | // HPC return codes | |
394 | //---------------------------------------------------------------------------- | |
1da177e4 LT |
395 | #define HPC_ERROR 0xFF |
396 | ||
397 | //----------------------------------------------------------------------------- | |
398 | // BUS INFO | |
399 | //----------------------------------------------------------------------------- | |
400 | #define BUS_SPEED 0x30 | |
401 | #define BUS_MODE 0x40 | |
402 | #define BUS_MODE_PCIX 0x01 | |
403 | #define BUS_MODE_PCI 0x00 | |
404 | #define BUS_SPEED_2 0x20 | |
405 | #define BUS_SPEED_1 0x10 | |
406 | #define BUS_SPEED_33 0x00 | |
407 | #define BUS_SPEED_66 0x01 | |
408 | #define BUS_SPEED_100 0x02 | |
409 | #define BUS_SPEED_133 0x03 | |
410 | #define BUS_SPEED_66PCIX 0x04 | |
411 | #define BUS_SPEED_66UNKNOWN 0x05 | |
412 | #define BUS_STATUS_AVAILABLE 0x01 | |
413 | #define BUS_CONTROL_AVAILABLE 0x02 | |
414 | #define SLOT_LATCH_REGS_SUPPORTED 0x10 | |
415 | ||
416 | #define PRGM_MODEL_REV_LEVEL 0xF0 | |
417 | #define MAX_ADAPTER_NONE 0x09 | |
418 | ||
419 | //---------------------------------------------------------------------------- | |
420 | // HPC 'write' operations/commands | |
421 | //---------------------------------------------------------------------------- | |
422 | // Command Code State Write to reg | |
423 | // Machine at index | |
424 | //------------------------- ---- ------- ------------ | |
425 | #define HPC_CTLR_ENABLEIRQ 0x00 // N 15 | |
426 | #define HPC_CTLR_DISABLEIRQ 0x01 // N 15 | |
427 | #define HPC_SLOT_OFF 0x02 // Y 0-14 | |
428 | #define HPC_SLOT_ON 0x03 // Y 0-14 | |
429 | #define HPC_SLOT_ATTNOFF 0x04 // N 0-14 | |
430 | #define HPC_SLOT_ATTNON 0x05 // N 0-14 | |
431 | #define HPC_CTLR_CLEARIRQ 0x06 // N 15 | |
432 | #define HPC_CTLR_RESET 0x07 // Y 15 | |
433 | #define HPC_CTLR_IRQSTEER 0x08 // N 15 | |
434 | #define HPC_BUS_33CONVMODE 0x09 // Y 31-34 | |
435 | #define HPC_BUS_66CONVMODE 0x0A // Y 31-34 | |
436 | #define HPC_BUS_66PCIXMODE 0x0B // Y 31-34 | |
437 | #define HPC_BUS_100PCIXMODE 0x0C // Y 31-34 | |
438 | #define HPC_BUS_133PCIXMODE 0x0D // Y 31-34 | |
439 | #define HPC_ALLSLOT_OFF 0x11 // Y 15 | |
440 | #define HPC_ALLSLOT_ON 0x12 // Y 15 | |
441 | #define HPC_SLOT_BLINKLED 0x13 // N 0-14 | |
442 | ||
443 | //---------------------------------------------------------------------------- | |
444 | // read commands | |
445 | //---------------------------------------------------------------------------- | |
446 | #define READ_SLOTSTATUS 0x01 | |
447 | #define READ_EXTSLOTSTATUS 0x02 | |
448 | #define READ_BUSSTATUS 0x03 | |
449 | #define READ_CTLRSTATUS 0x04 | |
450 | #define READ_ALLSTAT 0x05 | |
451 | #define READ_ALLSLOT 0x06 | |
452 | #define READ_SLOTLATCHLOWREG 0x07 | |
453 | #define READ_REVLEVEL 0x08 | |
454 | #define READ_HPCOPTIONS 0x09 | |
455 | //---------------------------------------------------------------------------- | |
456 | // slot status | |
457 | //---------------------------------------------------------------------------- | |
458 | #define HPC_SLOT_POWER 0x01 | |
459 | #define HPC_SLOT_CONNECT 0x02 | |
460 | #define HPC_SLOT_ATTN 0x04 | |
461 | #define HPC_SLOT_PRSNT2 0x08 | |
462 | #define HPC_SLOT_PRSNT1 0x10 | |
463 | #define HPC_SLOT_PWRGD 0x20 | |
464 | #define HPC_SLOT_BUS_SPEED 0x40 | |
465 | #define HPC_SLOT_LATCH 0x80 | |
466 | ||
467 | //---------------------------------------------------------------------------- | |
468 | // HPC_SLOT_POWER status return codes | |
469 | //---------------------------------------------------------------------------- | |
470 | #define HPC_SLOT_POWER_OFF 0x00 | |
471 | #define HPC_SLOT_POWER_ON 0x01 | |
472 | ||
473 | //---------------------------------------------------------------------------- | |
474 | // HPC_SLOT_CONNECT status return codes | |
475 | //---------------------------------------------------------------------------- | |
476 | #define HPC_SLOT_CONNECTED 0x00 | |
477 | #define HPC_SLOT_DISCONNECTED 0x01 | |
478 | ||
479 | //---------------------------------------------------------------------------- | |
480 | // HPC_SLOT_ATTN status return codes | |
481 | //---------------------------------------------------------------------------- | |
482 | #define HPC_SLOT_ATTN_OFF 0x00 | |
483 | #define HPC_SLOT_ATTN_ON 0x01 | |
484 | #define HPC_SLOT_ATTN_BLINK 0x02 | |
485 | ||
486 | //---------------------------------------------------------------------------- | |
487 | // HPC_SLOT_PRSNT status return codes | |
488 | //---------------------------------------------------------------------------- | |
489 | #define HPC_SLOT_EMPTY 0x00 | |
490 | #define HPC_SLOT_PRSNT_7 0x01 | |
491 | #define HPC_SLOT_PRSNT_15 0x02 | |
492 | #define HPC_SLOT_PRSNT_25 0x03 | |
493 | ||
494 | //---------------------------------------------------------------------------- | |
495 | // HPC_SLOT_PWRGD status return codes | |
496 | //---------------------------------------------------------------------------- | |
497 | #define HPC_SLOT_PWRGD_FAULT_NONE 0x00 | |
498 | #define HPC_SLOT_PWRGD_GOOD 0x01 | |
499 | ||
500 | //---------------------------------------------------------------------------- | |
501 | // HPC_SLOT_BUS_SPEED status return codes | |
502 | //---------------------------------------------------------------------------- | |
503 | #define HPC_SLOT_BUS_SPEED_OK 0x00 | |
504 | #define HPC_SLOT_BUS_SPEED_MISM 0x01 | |
505 | ||
506 | //---------------------------------------------------------------------------- | |
507 | // HPC_SLOT_LATCH status return codes | |
508 | //---------------------------------------------------------------------------- | |
509 | #define HPC_SLOT_LATCH_OPEN 0x01 // NOTE : in PCI spec bit off = open | |
510 | #define HPC_SLOT_LATCH_CLOSED 0x00 // NOTE : in PCI spec bit on = closed | |
511 | ||
512 | ||
513 | //---------------------------------------------------------------------------- | |
514 | // extended slot status | |
515 | //---------------------------------------------------------------------------- | |
516 | #define HPC_SLOT_PCIX 0x01 | |
517 | #define HPC_SLOT_SPEED1 0x02 | |
518 | #define HPC_SLOT_SPEED2 0x04 | |
519 | #define HPC_SLOT_BLINK_ATTN 0x08 | |
520 | #define HPC_SLOT_RSRVD1 0x10 | |
521 | #define HPC_SLOT_RSRVD2 0x20 | |
522 | #define HPC_SLOT_BUS_MODE 0x40 | |
523 | #define HPC_SLOT_RSRVD3 0x80 | |
524 | ||
525 | //---------------------------------------------------------------------------- | |
526 | // HPC_XSLOT_PCIX_CAP status return codes | |
527 | //---------------------------------------------------------------------------- | |
528 | #define HPC_SLOT_PCIX_NO 0x00 | |
529 | #define HPC_SLOT_PCIX_YES 0x01 | |
530 | ||
531 | //---------------------------------------------------------------------------- | |
532 | // HPC_XSLOT_SPEED status return codes | |
533 | //---------------------------------------------------------------------------- | |
534 | #define HPC_SLOT_SPEED_33 0x00 | |
535 | #define HPC_SLOT_SPEED_66 0x01 | |
536 | #define HPC_SLOT_SPEED_133 0x02 | |
537 | ||
538 | //---------------------------------------------------------------------------- | |
539 | // HPC_XSLOT_ATTN_BLINK status return codes | |
540 | //---------------------------------------------------------------------------- | |
541 | #define HPC_SLOT_ATTN_BLINK_OFF 0x00 | |
542 | #define HPC_SLOT_ATTN_BLINK_ON 0x01 | |
543 | ||
544 | //---------------------------------------------------------------------------- | |
545 | // HPC_XSLOT_BUS_MODE status return codes | |
546 | //---------------------------------------------------------------------------- | |
547 | #define HPC_SLOT_BUS_MODE_OK 0x00 | |
548 | #define HPC_SLOT_BUS_MODE_MISM 0x01 | |
549 | ||
550 | //---------------------------------------------------------------------------- | |
551 | // Controller status | |
552 | //---------------------------------------------------------------------------- | |
553 | #define HPC_CTLR_WORKING 0x01 | |
554 | #define HPC_CTLR_FINISHED 0x02 | |
555 | #define HPC_CTLR_RESULT0 0x04 | |
556 | #define HPC_CTLR_RESULT1 0x08 | |
557 | #define HPC_CTLR_RESULE2 0x10 | |
558 | #define HPC_CTLR_RESULT3 0x20 | |
559 | #define HPC_CTLR_IRQ_ROUTG 0x40 | |
560 | #define HPC_CTLR_IRQ_PENDG 0x80 | |
561 | ||
562 | //---------------------------------------------------------------------------- | |
f7625980 | 563 | // HPC_CTLR_WORKING status return codes |
1da177e4 LT |
564 | //---------------------------------------------------------------------------- |
565 | #define HPC_CTLR_WORKING_NO 0x00 | |
566 | #define HPC_CTLR_WORKING_YES 0x01 | |
567 | ||
568 | //---------------------------------------------------------------------------- | |
569 | // HPC_CTLR_FINISHED status return codes | |
570 | //---------------------------------------------------------------------------- | |
571 | #define HPC_CTLR_FINISHED_NO 0x00 | |
572 | #define HPC_CTLR_FINISHED_YES 0x01 | |
573 | ||
574 | //---------------------------------------------------------------------------- | |
575 | // HPC_CTLR_RESULT status return codes | |
576 | //---------------------------------------------------------------------------- | |
577 | #define HPC_CTLR_RESULT_SUCCESS 0x00 | |
578 | #define HPC_CTLR_RESULT_FAILED 0x01 | |
579 | #define HPC_CTLR_RESULT_RSVD 0x02 | |
580 | #define HPC_CTLR_RESULT_NORESP 0x03 | |
581 | ||
582 | ||
583 | //---------------------------------------------------------------------------- | |
584 | // macro for slot info | |
585 | //---------------------------------------------------------------------------- | |
586 | #define SLOT_POWER(s) ((u8) ((s & HPC_SLOT_POWER) \ | |
587 | ? HPC_SLOT_POWER_ON : HPC_SLOT_POWER_OFF)) | |
588 | ||
589 | #define SLOT_CONNECT(s) ((u8) ((s & HPC_SLOT_CONNECT) \ | |
590 | ? HPC_SLOT_DISCONNECTED : HPC_SLOT_CONNECTED)) | |
591 | ||
ff3ce480 | 592 | #define SLOT_ATTN(s, es) ((u8) ((es & HPC_SLOT_BLINK_ATTN) \ |
1da177e4 LT |
593 | ? HPC_SLOT_ATTN_BLINK \ |
594 | : ((s & HPC_SLOT_ATTN) ? HPC_SLOT_ATTN_ON : HPC_SLOT_ATTN_OFF))) | |
595 | ||
596 | #define SLOT_PRESENT(s) ((u8) ((s & HPC_SLOT_PRSNT1) \ | |
597 | ? ((s & HPC_SLOT_PRSNT2) ? HPC_SLOT_EMPTY : HPC_SLOT_PRSNT_15) \ | |
598 | : ((s & HPC_SLOT_PRSNT2) ? HPC_SLOT_PRSNT_25 : HPC_SLOT_PRSNT_7))) | |
599 | ||
600 | #define SLOT_PWRGD(s) ((u8) ((s & HPC_SLOT_PWRGD) \ | |
601 | ? HPC_SLOT_PWRGD_GOOD : HPC_SLOT_PWRGD_FAULT_NONE)) | |
602 | ||
603 | #define SLOT_BUS_SPEED(s) ((u8) ((s & HPC_SLOT_BUS_SPEED) \ | |
604 | ? HPC_SLOT_BUS_SPEED_MISM : HPC_SLOT_BUS_SPEED_OK)) | |
605 | ||
606 | #define SLOT_LATCH(s) ((u8) ((s & HPC_SLOT_LATCH) \ | |
607 | ? HPC_SLOT_LATCH_CLOSED : HPC_SLOT_LATCH_OPEN)) | |
608 | ||
609 | #define SLOT_PCIX(es) ((u8) ((es & HPC_SLOT_PCIX) \ | |
610 | ? HPC_SLOT_PCIX_YES : HPC_SLOT_PCIX_NO)) | |
611 | ||
612 | #define SLOT_SPEED(es) ((u8) ((es & HPC_SLOT_SPEED2) \ | |
613 | ? ((es & HPC_SLOT_SPEED1) ? HPC_SLOT_SPEED_133 \ | |
614 | : HPC_SLOT_SPEED_66) \ | |
615 | : HPC_SLOT_SPEED_33)) | |
616 | ||
617 | #define SLOT_BUS_MODE(es) ((u8) ((es & HPC_SLOT_BUS_MODE) \ | |
618 | ? HPC_SLOT_BUS_MODE_MISM : HPC_SLOT_BUS_MODE_OK)) | |
619 | ||
620 | //-------------------------------------------------------------------------- | |
621 | // macro for bus info | |
622 | //--------------------------------------------------------------------------- | |
623 | #define CURRENT_BUS_SPEED(s) ((u8) (s & BUS_SPEED_2) \ | |
624 | ? ((s & BUS_SPEED_1) ? BUS_SPEED_133 : BUS_SPEED_100) \ | |
625 | : ((s & BUS_SPEED_1) ? BUS_SPEED_66 : BUS_SPEED_33)) | |
626 | ||
627 | #define CURRENT_BUS_MODE(s) ((u8) (s & BUS_MODE) ? BUS_MODE_PCIX : BUS_MODE_PCI) | |
628 | ||
629 | #define READ_BUS_STATUS(s) ((u8) (s->options & BUS_STATUS_AVAILABLE)) | |
630 | ||
631 | #define READ_BUS_MODE(s) ((s->revision & PRGM_MODEL_REV_LEVEL) >= 0x20) | |
632 | ||
633 | #define SET_BUS_STATUS(s) ((u8) (s->options & BUS_CONTROL_AVAILABLE)) | |
634 | ||
635 | #define READ_SLOT_LATCH(s) ((u8) (s->options & SLOT_LATCH_REGS_SUPPORTED)) | |
636 | ||
637 | //---------------------------------------------------------------------------- | |
638 | // macro for controller info | |
639 | //---------------------------------------------------------------------------- | |
640 | #define CTLR_WORKING(c) ((u8) ((c & HPC_CTLR_WORKING) \ | |
641 | ? HPC_CTLR_WORKING_YES : HPC_CTLR_WORKING_NO)) | |
642 | #define CTLR_FINISHED(c) ((u8) ((c & HPC_CTLR_FINISHED) \ | |
643 | ? HPC_CTLR_FINISHED_YES : HPC_CTLR_FINISHED_NO)) | |
644 | #define CTLR_RESULT(c) ((u8) ((c & HPC_CTLR_RESULT1) \ | |
645 | ? ((c & HPC_CTLR_RESULT0) ? HPC_CTLR_RESULT_NORESP \ | |
646 | : HPC_CTLR_RESULT_RSVD) \ | |
647 | : ((c & HPC_CTLR_RESULT0) ? HPC_CTLR_RESULT_FAILED \ | |
648 | : HPC_CTLR_RESULT_SUCCESS))) | |
649 | ||
650 | // command that affect the state machine of HPC | |
651 | #define NEEDTOCHECK_CMDSTATUS(c) ((c == HPC_SLOT_OFF) || \ | |
652 | (c == HPC_SLOT_ON) || \ | |
653 | (c == HPC_CTLR_RESET) || \ | |
654 | (c == HPC_BUS_33CONVMODE) || \ | |
655 | (c == HPC_BUS_66CONVMODE) || \ | |
656 | (c == HPC_BUS_66PCIXMODE) || \ | |
657 | (c == HPC_BUS_100PCIXMODE) || \ | |
658 | (c == HPC_BUS_133PCIXMODE) || \ | |
659 | (c == HPC_ALLSLOT_OFF) || \ | |
660 | (c == HPC_ALLSLOT_ON)) | |
661 | ||
662 | ||
663 | /* Core part of the driver */ | |
664 | ||
665 | #define ENABLE 1 | |
666 | #define DISABLE 0 | |
667 | ||
668 | #define CARD_INFO 0x07 | |
669 | #define PCIX133 0x07 | |
670 | #define PCIX66 0x05 | |
671 | #define PCI66 0x04 | |
672 | ||
673 | extern struct pci_bus *ibmphp_pci_bus; | |
674 | ||
675 | /* Variables */ | |
676 | ||
677 | struct pci_func { | |
678 | struct pci_dev *dev; /* from the OS */ | |
679 | u8 busno; | |
680 | u8 device; | |
681 | u8 function; | |
682 | struct resource_node *io[6]; | |
683 | struct resource_node *mem[6]; | |
684 | struct resource_node *pfmem[6]; | |
685 | struct pci_func *next; | |
686 | int devices[32]; /* for bridge config */ | |
687 | u8 irq[4]; /* for interrupt config */ | |
688 | u8 bus; /* flag for unconfiguring, to say if PPB */ | |
689 | }; | |
690 | ||
691 | struct slot { | |
692 | u8 bus; | |
693 | u8 device; | |
694 | u8 number; | |
695 | u8 real_physical_slot_num; | |
1da177e4 LT |
696 | u32 capabilities; |
697 | u8 supported_speed; | |
698 | u8 supported_bus_mode; | |
a32615a1 AC |
699 | u8 flag; /* this is for disable slot and polling */ |
700 | u8 ctlr_index; | |
125450f8 | 701 | struct hotplug_slot hotplug_slot; |
1da177e4 LT |
702 | struct controller *ctrl; |
703 | struct pci_func *func; | |
704 | u8 irq[4]; | |
1da177e4 | 705 | int bit_mode; /* 0 = 32, 1 = 64 */ |
1da177e4 LT |
706 | struct bus_info *bus_on; |
707 | struct list_head ibm_slot_list; | |
708 | u8 status; | |
709 | u8 ext_status; | |
710 | u8 busstatus; | |
711 | }; | |
712 | ||
713 | struct controller { | |
714 | struct ebda_hpc_slot *slots; | |
715 | struct ebda_hpc_bus *buses; | |
716 | struct pci_dev *ctrl_dev; /* in case where controller is PCI */ | |
717 | u8 starting_slot_num; /* starting and ending slot #'s this ctrl controls*/ | |
718 | u8 ending_slot_num; | |
719 | u8 revision; | |
720 | u8 options; /* which options HPC supports */ | |
721 | u8 status; | |
722 | u8 ctlr_id; | |
723 | u8 slot_count; | |
724 | u8 bus_count; | |
725 | u8 ctlr_relative_id; | |
726 | u32 irq; | |
727 | union { | |
728 | struct isa_ctlr_access isa_ctlr; | |
729 | struct pci_ctlr_access pci_ctlr; | |
730 | struct wpeg_i2c_ctlr_access wpeg_ctlr; | |
731 | } u; | |
732 | u8 ctlr_type; | |
733 | struct list_head ebda_hpc_list; | |
734 | }; | |
735 | ||
736 | /* Functions */ | |
737 | ||
f39d5b72 BH |
738 | int ibmphp_init_devno(struct slot **); /* This function is called from EBDA, so we need it not be static */ |
739 | int ibmphp_do_disable_slot(struct slot *slot_cur); | |
740 | int ibmphp_update_slot_info(struct slot *); /* This function is called from HPC, so we need it to not be be static */ | |
741 | int ibmphp_configure_card(struct pci_func *, u8); | |
742 | int ibmphp_unconfigure_card(struct slot **, int); | |
81c4b5bf | 743 | extern const struct hotplug_slot_ops ibmphp_hotplug_slot_ops; |
1da177e4 | 744 | |
125450f8 LW |
745 | static inline struct slot *to_slot(struct hotplug_slot *hotplug_slot) |
746 | { | |
747 | return container_of(hotplug_slot, struct slot, hotplug_slot); | |
748 | } | |
749 | ||
1da177e4 LT |
750 | #endif //__IBMPHP_H |
751 |