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-rw-r--r--drivers/ssb/pcmcia.c518
1 files changed, 458 insertions, 60 deletions
diff --git a/drivers/ssb/pcmcia.c b/drivers/ssb/pcmcia.c
index 84b3a845a8a8..cd49f7c65531 100644
--- a/drivers/ssb/pcmcia.c
+++ b/drivers/ssb/pcmcia.c
@@ -3,7 +3,7 @@
3 * PCMCIA-Hostbus related functions 3 * PCMCIA-Hostbus related functions
4 * 4 *
5 * Copyright 2006 Johannes Berg <johannes@sipsolutions.net> 5 * Copyright 2006 Johannes Berg <johannes@sipsolutions.net>
6 * Copyright 2007 Michael Buesch <mb@bu3sch.de> 6 * Copyright 2007-2008 Michael Buesch <mb@bu3sch.de>
7 * 7 *
8 * Licensed under the GNU/GPL. See COPYING for details. 8 * Licensed under the GNU/GPL. See COPYING for details.
9 */ 9 */
@@ -11,6 +11,7 @@
11#include <linux/ssb/ssb.h> 11#include <linux/ssb/ssb.h>
12#include <linux/delay.h> 12#include <linux/delay.h>
13#include <linux/io.h> 13#include <linux/io.h>
14#include <linux/etherdevice.h>
14 15
15#include <pcmcia/cs_types.h> 16#include <pcmcia/cs_types.h>
16#include <pcmcia/cs.h> 17#include <pcmcia/cs.h>
@@ -26,59 +27,132 @@
26#define SSB_VERBOSE_PCMCIACORESWITCH_DEBUG 0 27#define SSB_VERBOSE_PCMCIACORESWITCH_DEBUG 0
27 28
28 29
30/* PCMCIA configuration registers */
31#define SSB_PCMCIA_CORECTL 0x00
32#define SSB_PCMCIA_CORECTL_RESET 0x80 /* Core reset */
33#define SSB_PCMCIA_CORECTL_IRQEN 0x04 /* IRQ enable */
34#define SSB_PCMCIA_CORECTL_FUNCEN 0x01 /* Function enable */
35#define SSB_PCMCIA_CORECTL2 0x80
36#define SSB_PCMCIA_ADDRESS0 0x2E
37#define SSB_PCMCIA_ADDRESS1 0x30
38#define SSB_PCMCIA_ADDRESS2 0x32
39#define SSB_PCMCIA_MEMSEG 0x34
40#define SSB_PCMCIA_SPROMCTL 0x36
41#define SSB_PCMCIA_SPROMCTL_IDLE 0
42#define SSB_PCMCIA_SPROMCTL_WRITE 1
43#define SSB_PCMCIA_SPROMCTL_READ 2
44#define SSB_PCMCIA_SPROMCTL_WRITEEN 4
45#define SSB_PCMCIA_SPROMCTL_WRITEDIS 7
46#define SSB_PCMCIA_SPROMCTL_DONE 8
47#define SSB_PCMCIA_SPROM_DATALO 0x38
48#define SSB_PCMCIA_SPROM_DATAHI 0x3A
49#define SSB_PCMCIA_SPROM_ADDRLO 0x3C
50#define SSB_PCMCIA_SPROM_ADDRHI 0x3E
51
52/* Hardware invariants CIS tuples */
53#define SSB_PCMCIA_CIS 0x80
54#define SSB_PCMCIA_CIS_ID 0x01
55#define SSB_PCMCIA_CIS_BOARDREV 0x02
56#define SSB_PCMCIA_CIS_PA 0x03
57#define SSB_PCMCIA_CIS_PA_PA0B0_LO 0
58#define SSB_PCMCIA_CIS_PA_PA0B0_HI 1
59#define SSB_PCMCIA_CIS_PA_PA0B1_LO 2
60#define SSB_PCMCIA_CIS_PA_PA0B1_HI 3
61#define SSB_PCMCIA_CIS_PA_PA0B2_LO 4
62#define SSB_PCMCIA_CIS_PA_PA0B2_HI 5
63#define SSB_PCMCIA_CIS_PA_ITSSI 6
64#define SSB_PCMCIA_CIS_PA_MAXPOW 7
65#define SSB_PCMCIA_CIS_OEMNAME 0x04
66#define SSB_PCMCIA_CIS_CCODE 0x05
67#define SSB_PCMCIA_CIS_ANTENNA 0x06
68#define SSB_PCMCIA_CIS_ANTGAIN 0x07
69#define SSB_PCMCIA_CIS_BFLAGS 0x08
70#define SSB_PCMCIA_CIS_LEDS 0x09
71
72/* PCMCIA SPROM size. */
73#define SSB_PCMCIA_SPROM_SIZE 256
74#define SSB_PCMCIA_SPROM_SIZE_BYTES (SSB_PCMCIA_SPROM_SIZE * sizeof(u16))
75
76
77/* Write to a PCMCIA configuration register. */
78static int ssb_pcmcia_cfg_write(struct ssb_bus *bus, u8 offset, u8 value)
79{
80 conf_reg_t reg;
81 int res;
82
83 memset(&reg, 0, sizeof(reg));
84 reg.Offset = offset;
85 reg.Action = CS_WRITE;
86 reg.Value = value;
87 res = pcmcia_access_configuration_register(bus->host_pcmcia, &reg);
88 if (unlikely(res != CS_SUCCESS))
89 return -EBUSY;
90
91 return 0;
92}
93
94/* Read from a PCMCIA configuration register. */
95static int ssb_pcmcia_cfg_read(struct ssb_bus *bus, u8 offset, u8 *value)
96{
97 conf_reg_t reg;
98 int res;
99
100 memset(&reg, 0, sizeof(reg));
101 reg.Offset = offset;
102 reg.Action = CS_READ;
103 res = pcmcia_access_configuration_register(bus->host_pcmcia, &reg);
104 if (unlikely(res != CS_SUCCESS))
105 return -EBUSY;
106 *value = reg.Value;
107
108 return 0;
109}
110
29int ssb_pcmcia_switch_coreidx(struct ssb_bus *bus, 111int ssb_pcmcia_switch_coreidx(struct ssb_bus *bus,
30 u8 coreidx) 112 u8 coreidx)
31{ 113{
32 struct pcmcia_device *pdev = bus->host_pcmcia;
33 int err; 114 int err;
34 int attempts = 0; 115 int attempts = 0;
35 u32 cur_core; 116 u32 cur_core;
36 conf_reg_t reg;
37 u32 addr; 117 u32 addr;
38 u32 read_addr; 118 u32 read_addr;
119 u8 val;
39 120
40 addr = (coreidx * SSB_CORE_SIZE) + SSB_ENUM_BASE; 121 addr = (coreidx * SSB_CORE_SIZE) + SSB_ENUM_BASE;
41 while (1) { 122 while (1) {
42 reg.Action = CS_WRITE; 123 err = ssb_pcmcia_cfg_write(bus, SSB_PCMCIA_ADDRESS0,
43 reg.Offset = 0x2E; 124 (addr & 0x0000F000) >> 12);
44 reg.Value = (addr & 0x0000F000) >> 12; 125 if (err)
45 err = pcmcia_access_configuration_register(pdev, &reg);
46 if (err != CS_SUCCESS)
47 goto error; 126 goto error;
48 reg.Offset = 0x30; 127 err = ssb_pcmcia_cfg_write(bus, SSB_PCMCIA_ADDRESS1,
49 reg.Value = (addr & 0x00FF0000) >> 16; 128 (addr & 0x00FF0000) >> 16);
50 err = pcmcia_access_configuration_register(pdev, &reg); 129 if (err)
51 if (err != CS_SUCCESS)
52 goto error; 130 goto error;
53 reg.Offset = 0x32; 131 err = ssb_pcmcia_cfg_write(bus, SSB_PCMCIA_ADDRESS2,
54 reg.Value = (addr & 0xFF000000) >> 24; 132 (addr & 0xFF000000) >> 24);
55 err = pcmcia_access_configuration_register(pdev, &reg); 133 if (err)
56 if (err != CS_SUCCESS)
57 goto error; 134 goto error;
58 135
59 read_addr = 0; 136 read_addr = 0;
60 137
61 reg.Action = CS_READ; 138 err = ssb_pcmcia_cfg_read(bus, SSB_PCMCIA_ADDRESS0, &val);
62 reg.Offset = 0x2E; 139 if (err)
63 err = pcmcia_access_configuration_register(pdev, &reg);
64 if (err != CS_SUCCESS)
65 goto error; 140 goto error;
66 read_addr |= ((u32)(reg.Value & 0x0F)) << 12; 141 read_addr |= ((u32)(val & 0x0F)) << 12;
67 reg.Offset = 0x30; 142 err = ssb_pcmcia_cfg_read(bus, SSB_PCMCIA_ADDRESS1, &val);
68 err = pcmcia_access_configuration_register(pdev, &reg); 143 if (err)
69 if (err != CS_SUCCESS)
70 goto error; 144 goto error;
71 read_addr |= ((u32)reg.Value) << 16; 145 read_addr |= ((u32)val) << 16;
72 reg.Offset = 0x32; 146 err = ssb_pcmcia_cfg_read(bus, SSB_PCMCIA_ADDRESS2, &val);
73 err = pcmcia_access_configuration_register(pdev, &reg); 147 if (err)
74 if (err != CS_SUCCESS)
75 goto error; 148 goto error;
76 read_addr |= ((u32)reg.Value) << 24; 149 read_addr |= ((u32)val) << 24;
77 150
78 cur_core = (read_addr - SSB_ENUM_BASE) / SSB_CORE_SIZE; 151 cur_core = (read_addr - SSB_ENUM_BASE) / SSB_CORE_SIZE;
79 if (cur_core == coreidx) 152 if (cur_core == coreidx)
80 break; 153 break;
81 154
155 err = -ETIMEDOUT;
82 if (attempts++ > SSB_BAR0_MAX_RETRIES) 156 if (attempts++ > SSB_BAR0_MAX_RETRIES)
83 goto error; 157 goto error;
84 udelay(10); 158 udelay(10);
@@ -87,7 +161,7 @@ int ssb_pcmcia_switch_coreidx(struct ssb_bus *bus,
87 return 0; 161 return 0;
88error: 162error:
89 ssb_printk(KERN_ERR PFX "Failed to switch to core %u\n", coreidx); 163 ssb_printk(KERN_ERR PFX "Failed to switch to core %u\n", coreidx);
90 return -ENODEV; 164 return err;
91} 165}
92 166
93int ssb_pcmcia_switch_core(struct ssb_bus *bus, 167int ssb_pcmcia_switch_core(struct ssb_bus *bus,
@@ -112,27 +186,21 @@ int ssb_pcmcia_switch_core(struct ssb_bus *bus,
112int ssb_pcmcia_switch_segment(struct ssb_bus *bus, u8 seg) 186int ssb_pcmcia_switch_segment(struct ssb_bus *bus, u8 seg)
113{ 187{
114 int attempts = 0; 188 int attempts = 0;
115 conf_reg_t reg; 189 int err;
116 int res; 190 u8 val;
117 191
118 SSB_WARN_ON((seg != 0) && (seg != 1)); 192 SSB_WARN_ON((seg != 0) && (seg != 1));
119 reg.Offset = 0x34;
120 reg.Function = 0;
121 while (1) { 193 while (1) {
122 reg.Action = CS_WRITE; 194 err = ssb_pcmcia_cfg_write(bus, SSB_PCMCIA_MEMSEG, seg);
123 reg.Value = seg; 195 if (err)
124 res = pcmcia_access_configuration_register(bus->host_pcmcia, &reg);
125 if (unlikely(res != CS_SUCCESS))
126 goto error; 196 goto error;
127 reg.Value = 0xFF; 197 err = ssb_pcmcia_cfg_read(bus, SSB_PCMCIA_MEMSEG, &val);
128 reg.Action = CS_READ; 198 if (err)
129 res = pcmcia_access_configuration_register(bus->host_pcmcia, &reg);
130 if (unlikely(res != CS_SUCCESS))
131 goto error; 199 goto error;
132 200 if (val == seg)
133 if (reg.Value == seg)
134 break; 201 break;
135 202
203 err = -ETIMEDOUT;
136 if (unlikely(attempts++ > SSB_BAR0_MAX_RETRIES)) 204 if (unlikely(attempts++ > SSB_BAR0_MAX_RETRIES))
137 goto error; 205 goto error;
138 udelay(10); 206 udelay(10);
@@ -142,7 +210,7 @@ int ssb_pcmcia_switch_segment(struct ssb_bus *bus, u8 seg)
142 return 0; 210 return 0;
143error: 211error:
144 ssb_printk(KERN_ERR PFX "Failed to switch pcmcia segment\n"); 212 ssb_printk(KERN_ERR PFX "Failed to switch pcmcia segment\n");
145 return -ENODEV; 213 return err;
146} 214}
147 215
148static int select_core_and_segment(struct ssb_device *dev, 216static int select_core_and_segment(struct ssb_device *dev,
@@ -276,18 +344,344 @@ const struct ssb_bus_ops ssb_pcmcia_ops = {
276 .write32 = ssb_pcmcia_write32, 344 .write32 = ssb_pcmcia_write32,
277}; 345};
278 346
279#include <linux/etherdevice.h> 347static int ssb_pcmcia_sprom_command(struct ssb_bus *bus, u8 command)
348{
349 unsigned int i;
350 int err;
351 u8 value;
352
353 err = ssb_pcmcia_cfg_write(bus, SSB_PCMCIA_SPROMCTL, command);
354 if (err)
355 return err;
356 for (i = 0; i < 1000; i++) {
357 err = ssb_pcmcia_cfg_read(bus, SSB_PCMCIA_SPROMCTL, &value);
358 if (err)
359 return err;
360 if (value & SSB_PCMCIA_SPROMCTL_DONE)
361 return 0;
362 udelay(10);
363 }
364
365 return -ETIMEDOUT;
366}
367
368/* offset is the 16bit word offset */
369static int ssb_pcmcia_sprom_read(struct ssb_bus *bus, u16 offset, u16 *value)
370{
371 int err;
372 u8 lo, hi;
373
374 offset *= 2; /* Make byte offset */
375
376 err = ssb_pcmcia_cfg_write(bus, SSB_PCMCIA_SPROM_ADDRLO,
377 (offset & 0x00FF));
378 if (err)
379 return err;
380 err = ssb_pcmcia_cfg_write(bus, SSB_PCMCIA_SPROM_ADDRHI,
381 (offset & 0xFF00) >> 8);
382 if (err)
383 return err;
384 err = ssb_pcmcia_sprom_command(bus, SSB_PCMCIA_SPROMCTL_READ);
385 if (err)
386 return err;
387 err = ssb_pcmcia_cfg_read(bus, SSB_PCMCIA_SPROM_DATALO, &lo);
388 if (err)
389 return err;
390 err = ssb_pcmcia_cfg_read(bus, SSB_PCMCIA_SPROM_DATAHI, &hi);
391 if (err)
392 return err;
393 *value = (lo | (((u16)hi) << 8));
394
395 return 0;
396}
397
398/* offset is the 16bit word offset */
399static int ssb_pcmcia_sprom_write(struct ssb_bus *bus, u16 offset, u16 value)
400{
401 int err;
402
403 offset *= 2; /* Make byte offset */
404
405 err = ssb_pcmcia_cfg_write(bus, SSB_PCMCIA_SPROM_ADDRLO,
406 (offset & 0x00FF));
407 if (err)
408 return err;
409 err = ssb_pcmcia_cfg_write(bus, SSB_PCMCIA_SPROM_ADDRHI,
410 (offset & 0xFF00) >> 8);
411 if (err)
412 return err;
413 err = ssb_pcmcia_cfg_write(bus, SSB_PCMCIA_SPROM_DATALO,
414 (value & 0x00FF));
415 if (err)
416 return err;
417 err = ssb_pcmcia_cfg_write(bus, SSB_PCMCIA_SPROM_DATAHI,
418 (value & 0xFF00) >> 8);
419 if (err)
420 return err;
421 err = ssb_pcmcia_sprom_command(bus, SSB_PCMCIA_SPROMCTL_WRITE);
422 if (err)
423 return err;
424 msleep(20);
425
426 return 0;
427}
428
429/* Read the SPROM image. bufsize is in 16bit words. */
430static int ssb_pcmcia_sprom_read_all(struct ssb_bus *bus, u16 *sprom)
431{
432 int err, i;
433
434 for (i = 0; i < SSB_PCMCIA_SPROM_SIZE; i++) {
435 err = ssb_pcmcia_sprom_read(bus, i, &sprom[i]);
436 if (err)
437 return err;
438 }
439
440 return 0;
441}
442
443/* Write the SPROM image. size is in 16bit words. */
444static int ssb_pcmcia_sprom_write_all(struct ssb_bus *bus, const u16 *sprom)
445{
446 int i, err;
447 bool failed = 0;
448 size_t size = SSB_PCMCIA_SPROM_SIZE;
449
450 ssb_printk(KERN_NOTICE PFX
451 "Writing SPROM. Do NOT turn off the power! "
452 "Please stand by...\n");
453 err = ssb_pcmcia_sprom_command(bus, SSB_PCMCIA_SPROMCTL_WRITEEN);
454 if (err) {
455 ssb_printk(KERN_NOTICE PFX
456 "Could not enable SPROM write access.\n");
457 return -EBUSY;
458 }
459 ssb_printk(KERN_NOTICE PFX "[ 0%%");
460 msleep(500);
461 for (i = 0; i < size; i++) {
462 if (i == size / 4)
463 ssb_printk("25%%");
464 else if (i == size / 2)
465 ssb_printk("50%%");
466 else if (i == (size * 3) / 4)
467 ssb_printk("75%%");
468 else if (i % 2)
469 ssb_printk(".");
470 err = ssb_pcmcia_sprom_write(bus, i, sprom[i]);
471 if (err) {
472 ssb_printk("\n" KERN_NOTICE PFX
473 "Failed to write to SPROM.\n");
474 failed = 1;
475 break;
476 }
477 }
478 err = ssb_pcmcia_sprom_command(bus, SSB_PCMCIA_SPROMCTL_WRITEDIS);
479 if (err) {
480 ssb_printk("\n" KERN_NOTICE PFX
481 "Could not disable SPROM write access.\n");
482 failed = 1;
483 }
484 msleep(500);
485 if (!failed) {
486 ssb_printk("100%% ]\n");
487 ssb_printk(KERN_NOTICE PFX "SPROM written.\n");
488 }
489
490 return failed ? -EBUSY : 0;
491}
492
493static int ssb_pcmcia_sprom_check_crc(const u16 *sprom, size_t size)
494{
495 //TODO
496 return 0;
497}
498
499#define GOTO_ERROR_ON(condition, description) do { \
500 if (unlikely(condition)) { \
501 error_description = description; \
502 goto error; \
503 } \
504 } while (0)
505
280int ssb_pcmcia_get_invariants(struct ssb_bus *bus, 506int ssb_pcmcia_get_invariants(struct ssb_bus *bus,
281 struct ssb_init_invariants *iv) 507 struct ssb_init_invariants *iv)
282{ 508{
283 //TODO 509 tuple_t tuple;
284 random_ether_addr(iv->sprom.il0mac); 510 int res;
511 unsigned char buf[32];
512 struct ssb_sprom *sprom = &iv->sprom;
513 struct ssb_boardinfo *bi = &iv->boardinfo;
514 const char *error_description;
515
516 memset(sprom, 0xFF, sizeof(*sprom));
517 sprom->revision = 1;
518 sprom->boardflags_lo = 0;
519 sprom->boardflags_hi = 0;
520
521 /* First fetch the MAC address. */
522 memset(&tuple, 0, sizeof(tuple));
523 tuple.DesiredTuple = CISTPL_FUNCE;
524 tuple.TupleData = buf;
525 tuple.TupleDataMax = sizeof(buf);
526 res = pcmcia_get_first_tuple(bus->host_pcmcia, &tuple);
527 GOTO_ERROR_ON(res != CS_SUCCESS, "MAC first tpl");
528 res = pcmcia_get_tuple_data(bus->host_pcmcia, &tuple);
529 GOTO_ERROR_ON(res != CS_SUCCESS, "MAC first tpl data");
530 while (1) {
531 GOTO_ERROR_ON(tuple.TupleDataLen < 1, "MAC tpl < 1");
532 if (tuple.TupleData[0] == CISTPL_FUNCE_LAN_NODE_ID)
533 break;
534 res = pcmcia_get_next_tuple(bus->host_pcmcia, &tuple);
535 GOTO_ERROR_ON(res != CS_SUCCESS, "MAC next tpl");
536 res = pcmcia_get_tuple_data(bus->host_pcmcia, &tuple);
537 GOTO_ERROR_ON(res != CS_SUCCESS, "MAC next tpl data");
538 }
539 GOTO_ERROR_ON(tuple.TupleDataLen != ETH_ALEN + 2, "MAC tpl size");
540 memcpy(sprom->il0mac, &tuple.TupleData[2], ETH_ALEN);
541
542 /* Fetch the vendor specific tuples. */
543 memset(&tuple, 0, sizeof(tuple));
544 tuple.DesiredTuple = SSB_PCMCIA_CIS;
545 tuple.TupleData = buf;
546 tuple.TupleDataMax = sizeof(buf);
547 res = pcmcia_get_first_tuple(bus->host_pcmcia, &tuple);
548 GOTO_ERROR_ON(res != CS_SUCCESS, "VEN first tpl");
549 res = pcmcia_get_tuple_data(bus->host_pcmcia, &tuple);
550 GOTO_ERROR_ON(res != CS_SUCCESS, "VEN first tpl data");
551 while (1) {
552 GOTO_ERROR_ON(tuple.TupleDataLen < 1, "VEN tpl < 1");
553 switch (tuple.TupleData[0]) {
554 case SSB_PCMCIA_CIS_ID:
555 GOTO_ERROR_ON((tuple.TupleDataLen != 5) &&
556 (tuple.TupleDataLen != 7),
557 "id tpl size");
558 bi->vendor = tuple.TupleData[1] |
559 ((u16)tuple.TupleData[2] << 8);
560 break;
561 case SSB_PCMCIA_CIS_BOARDREV:
562 GOTO_ERROR_ON(tuple.TupleDataLen != 2,
563 "boardrev tpl size");
564 sprom->board_rev = tuple.TupleData[1];
565 break;
566 case SSB_PCMCIA_CIS_PA:
567 GOTO_ERROR_ON(tuple.TupleDataLen != 9,
568 "pa tpl size");
569 sprom->pa0b0 = tuple.TupleData[1] |
570 ((u16)tuple.TupleData[2] << 8);
571 sprom->pa0b1 = tuple.TupleData[3] |
572 ((u16)tuple.TupleData[4] << 8);
573 sprom->pa0b2 = tuple.TupleData[5] |
574 ((u16)tuple.TupleData[6] << 8);
575 sprom->itssi_a = tuple.TupleData[7];
576 sprom->itssi_bg = tuple.TupleData[7];
577 sprom->maxpwr_a = tuple.TupleData[8];
578 sprom->maxpwr_bg = tuple.TupleData[8];
579 break;
580 case SSB_PCMCIA_CIS_OEMNAME:
581 /* We ignore this. */
582 break;
583 case SSB_PCMCIA_CIS_CCODE:
584 GOTO_ERROR_ON(tuple.TupleDataLen != 2,
585 "ccode tpl size");
586 sprom->country_code = tuple.TupleData[1];
587 break;
588 case SSB_PCMCIA_CIS_ANTENNA:
589 GOTO_ERROR_ON(tuple.TupleDataLen != 2,
590 "ant tpl size");
591 sprom->ant_available_a = tuple.TupleData[1];
592 sprom->ant_available_bg = tuple.TupleData[1];
593 break;
594 case SSB_PCMCIA_CIS_ANTGAIN:
595 GOTO_ERROR_ON(tuple.TupleDataLen != 2,
596 "antg tpl size");
597 sprom->antenna_gain.ghz24.a0 = tuple.TupleData[1];
598 sprom->antenna_gain.ghz24.a1 = tuple.TupleData[1];
599 sprom->antenna_gain.ghz24.a2 = tuple.TupleData[1];
600 sprom->antenna_gain.ghz24.a3 = tuple.TupleData[1];
601 sprom->antenna_gain.ghz5.a0 = tuple.TupleData[1];
602 sprom->antenna_gain.ghz5.a1 = tuple.TupleData[1];
603 sprom->antenna_gain.ghz5.a2 = tuple.TupleData[1];
604 sprom->antenna_gain.ghz5.a3 = tuple.TupleData[1];
605 break;
606 case SSB_PCMCIA_CIS_BFLAGS:
607 GOTO_ERROR_ON(tuple.TupleDataLen != 3,
608 "bfl tpl size");
609 sprom->boardflags_lo = tuple.TupleData[1] |
610 ((u16)tuple.TupleData[2] << 8);
611 break;
612 case SSB_PCMCIA_CIS_LEDS:
613 GOTO_ERROR_ON(tuple.TupleDataLen != 5,
614 "leds tpl size");
615 sprom->gpio0 = tuple.TupleData[1];
616 sprom->gpio1 = tuple.TupleData[2];
617 sprom->gpio2 = tuple.TupleData[3];
618 sprom->gpio3 = tuple.TupleData[4];
619 break;
620 }
621 res = pcmcia_get_next_tuple(bus->host_pcmcia, &tuple);
622 if (res == CS_NO_MORE_ITEMS)
623 break;
624 GOTO_ERROR_ON(res != CS_SUCCESS, "VEN next tpl");
625 res = pcmcia_get_tuple_data(bus->host_pcmcia, &tuple);
626 GOTO_ERROR_ON(res != CS_SUCCESS, "VEN next tpl data");
627 }
628
285 return 0; 629 return 0;
630error:
631 ssb_printk(KERN_ERR PFX
632 "PCMCIA: Failed to fetch device invariants: %s\n",
633 error_description);
634 return -ENODEV;
635}
636
637static ssize_t ssb_pcmcia_attr_sprom_show(struct device *pcmciadev,
638 struct device_attribute *attr,
639 char *buf)
640{
641 struct pcmcia_device *pdev =
642 container_of(pcmciadev, struct pcmcia_device, dev);
643 struct ssb_bus *bus;
644
645 bus = ssb_pcmcia_dev_to_bus(pdev);
646 if (!bus)
647 return -ENODEV;
648
649 return ssb_attr_sprom_show(bus, buf,
650 ssb_pcmcia_sprom_read_all);
651}
652
653static ssize_t ssb_pcmcia_attr_sprom_store(struct device *pcmciadev,
654 struct device_attribute *attr,
655 const char *buf, size_t count)
656{
657 struct pcmcia_device *pdev =
658 container_of(pcmciadev, struct pcmcia_device, dev);
659 struct ssb_bus *bus;
660
661 bus = ssb_pcmcia_dev_to_bus(pdev);
662 if (!bus)
663 return -ENODEV;
664
665 return ssb_attr_sprom_store(bus, buf, count,
666 ssb_pcmcia_sprom_check_crc,
667 ssb_pcmcia_sprom_write_all);
668}
669
670static DEVICE_ATTR(ssb_sprom, 0600,
671 ssb_pcmcia_attr_sprom_show,
672 ssb_pcmcia_attr_sprom_store);
673
674void ssb_pcmcia_exit(struct ssb_bus *bus)
675{
676 if (bus->bustype != SSB_BUSTYPE_PCMCIA)
677 return;
678
679 device_remove_file(&bus->host_pcmcia->dev, &dev_attr_ssb_sprom);
286} 680}
287 681
288int ssb_pcmcia_init(struct ssb_bus *bus) 682int ssb_pcmcia_init(struct ssb_bus *bus)
289{ 683{
290 conf_reg_t reg; 684 u8 val, offset;
291 int err; 685 int err;
292 686
293 if (bus->bustype != SSB_BUSTYPE_PCMCIA) 687 if (bus->bustype != SSB_BUSTYPE_PCMCIA)
@@ -298,22 +692,26 @@ int ssb_pcmcia_init(struct ssb_bus *bus)
298 ssb_pcmcia_switch_segment(bus, 0); 692 ssb_pcmcia_switch_segment(bus, 0);
299 693
300 /* Init IRQ routing */ 694 /* Init IRQ routing */
301 reg.Action = CS_READ;
302 reg.Function = 0;
303 if (bus->chip_id == 0x4306) 695 if (bus->chip_id == 0x4306)
304 reg.Offset = 0x00; 696 offset = SSB_PCMCIA_CORECTL;
305 else 697 else
306 reg.Offset = 0x80; 698 offset = SSB_PCMCIA_CORECTL2;
307 err = pcmcia_access_configuration_register(bus->host_pcmcia, &reg); 699 err = ssb_pcmcia_cfg_read(bus, offset, &val);
308 if (err != CS_SUCCESS) 700 if (err)
309 goto error; 701 goto error;
310 reg.Action = CS_WRITE; 702 val |= SSB_PCMCIA_CORECTL_IRQEN | SSB_PCMCIA_CORECTL_FUNCEN;
311 reg.Value |= 0x04 | 0x01; 703 err = ssb_pcmcia_cfg_write(bus, offset, val);
312 err = pcmcia_access_configuration_register(bus->host_pcmcia, &reg); 704 if (err)
313 if (err != CS_SUCCESS) 705 goto error;
706
707 bus->sprom_size = SSB_PCMCIA_SPROM_SIZE;
708 mutex_init(&bus->sprom_mutex);
709 err = device_create_file(&bus->host_pcmcia->dev, &dev_attr_ssb_sprom);
710 if (err)
314 goto error; 711 goto error;
315 712
316 return 0; 713 return 0;
317error: 714error:
318 return -ENODEV; 715 ssb_printk(KERN_ERR PFX "Failed to initialize PCMCIA host device\n");
716 return err;
319} 717}
generated by cgit v1.2.2 (git 2.25.0) at 2024-12-22 00:35:41 -0500