[NET]: Proper comment for loopback initialization order.
[deliverable/linux.git] / drivers / net / wireless / b43legacy / b43legacy.h
CommitLineData
75388acd
LF
1#ifndef B43legacy_H_
2#define B43legacy_H_
3
4#include <linux/hw_random.h>
5#include <linux/kernel.h>
6#include <linux/spinlock.h>
7#include <linux/interrupt.h>
8#include <linux/stringify.h>
9#include <linux/netdevice.h>
10#include <linux/pci.h>
11#include <asm/atomic.h>
12#include <linux/io.h>
13
14#include <linux/ssb/ssb.h>
15#include <linux/ssb/ssb_driver_chipcommon.h>
16
17#include <linux/wireless.h>
18#include <net/mac80211.h>
19
20#include "debugfs.h"
21#include "leds.h"
22#include "phy.h"
23
24
25#define B43legacy_IRQWAIT_MAX_RETRIES 100
26
27#define B43legacy_RX_MAX_SSI 60 /* best guess at max ssi */
28
29/* MMIO offsets */
30#define B43legacy_MMIO_DMA0_REASON 0x20
31#define B43legacy_MMIO_DMA0_IRQ_MASK 0x24
32#define B43legacy_MMIO_DMA1_REASON 0x28
33#define B43legacy_MMIO_DMA1_IRQ_MASK 0x2C
34#define B43legacy_MMIO_DMA2_REASON 0x30
35#define B43legacy_MMIO_DMA2_IRQ_MASK 0x34
36#define B43legacy_MMIO_DMA3_REASON 0x38
37#define B43legacy_MMIO_DMA3_IRQ_MASK 0x3C
38#define B43legacy_MMIO_DMA4_REASON 0x40
39#define B43legacy_MMIO_DMA4_IRQ_MASK 0x44
40#define B43legacy_MMIO_DMA5_REASON 0x48
41#define B43legacy_MMIO_DMA5_IRQ_MASK 0x4C
42#define B43legacy_MMIO_MACCTL 0x120
43#define B43legacy_MMIO_STATUS_BITFIELD 0x120
44#define B43legacy_MMIO_STATUS2_BITFIELD 0x124
45#define B43legacy_MMIO_GEN_IRQ_REASON 0x128
46#define B43legacy_MMIO_GEN_IRQ_MASK 0x12C
47#define B43legacy_MMIO_RAM_CONTROL 0x130
48#define B43legacy_MMIO_RAM_DATA 0x134
49#define B43legacy_MMIO_PS_STATUS 0x140
50#define B43legacy_MMIO_RADIO_HWENABLED_HI 0x158
51#define B43legacy_MMIO_SHM_CONTROL 0x160
52#define B43legacy_MMIO_SHM_DATA 0x164
53#define B43legacy_MMIO_SHM_DATA_UNALIGNED 0x166
54#define B43legacy_MMIO_XMITSTAT_0 0x170
55#define B43legacy_MMIO_XMITSTAT_1 0x174
56#define B43legacy_MMIO_REV3PLUS_TSF_LOW 0x180 /* core rev >= 3 only */
57#define B43legacy_MMIO_REV3PLUS_TSF_HIGH 0x184 /* core rev >= 3 only */
58
59/* 32-bit DMA */
60#define B43legacy_MMIO_DMA32_BASE0 0x200
61#define B43legacy_MMIO_DMA32_BASE1 0x220
62#define B43legacy_MMIO_DMA32_BASE2 0x240
63#define B43legacy_MMIO_DMA32_BASE3 0x260
64#define B43legacy_MMIO_DMA32_BASE4 0x280
65#define B43legacy_MMIO_DMA32_BASE5 0x2A0
66/* 64-bit DMA */
67#define B43legacy_MMIO_DMA64_BASE0 0x200
68#define B43legacy_MMIO_DMA64_BASE1 0x240
69#define B43legacy_MMIO_DMA64_BASE2 0x280
70#define B43legacy_MMIO_DMA64_BASE3 0x2C0
71#define B43legacy_MMIO_DMA64_BASE4 0x300
72#define B43legacy_MMIO_DMA64_BASE5 0x340
73/* PIO */
74#define B43legacy_MMIO_PIO1_BASE 0x300
75#define B43legacy_MMIO_PIO2_BASE 0x310
76#define B43legacy_MMIO_PIO3_BASE 0x320
77#define B43legacy_MMIO_PIO4_BASE 0x330
78
79#define B43legacy_MMIO_PHY_VER 0x3E0
80#define B43legacy_MMIO_PHY_RADIO 0x3E2
81#define B43legacy_MMIO_PHY0 0x3E6
82#define B43legacy_MMIO_ANTENNA 0x3E8
83#define B43legacy_MMIO_CHANNEL 0x3F0
84#define B43legacy_MMIO_CHANNEL_EXT 0x3F4
85#define B43legacy_MMIO_RADIO_CONTROL 0x3F6
86#define B43legacy_MMIO_RADIO_DATA_HIGH 0x3F8
87#define B43legacy_MMIO_RADIO_DATA_LOW 0x3FA
88#define B43legacy_MMIO_PHY_CONTROL 0x3FC
89#define B43legacy_MMIO_PHY_DATA 0x3FE
90#define B43legacy_MMIO_MACFILTER_CONTROL 0x420
91#define B43legacy_MMIO_MACFILTER_DATA 0x422
92#define B43legacy_MMIO_RCMTA_COUNT 0x43C /* Receive Match Transmitter Addr */
93#define B43legacy_MMIO_RADIO_HWENABLED_LO 0x49A
94#define B43legacy_MMIO_GPIO_CONTROL 0x49C
95#define B43legacy_MMIO_GPIO_MASK 0x49E
96#define B43legacy_MMIO_TSF_0 0x632 /* core rev < 3 only */
97#define B43legacy_MMIO_TSF_1 0x634 /* core rev < 3 only */
98#define B43legacy_MMIO_TSF_2 0x636 /* core rev < 3 only */
99#define B43legacy_MMIO_TSF_3 0x638 /* core rev < 3 only */
100#define B43legacy_MMIO_RNG 0x65A
101#define B43legacy_MMIO_POWERUP_DELAY 0x6A8
102
103/* SPROM boardflags_lo values */
104#define B43legacy_BFL_PACTRL 0x0002
105#define B43legacy_BFL_RSSI 0x0008
106#define B43legacy_BFL_EXTLNA 0x1000
107
108/* GPIO register offset, in both ChipCommon and PCI core. */
109#define B43legacy_GPIO_CONTROL 0x6c
110
111/* SHM Routing */
112#define B43legacy_SHM_SHARED 0x0001
113#define B43legacy_SHM_WIRELESS 0x0002
114#define B43legacy_SHM_HW 0x0004
115#define B43legacy_SHM_UCODE 0x0300
116
117/* SHM Routing modifiers */
118#define B43legacy_SHM_AUTOINC_R 0x0200 /* Read Auto-increment */
119#define B43legacy_SHM_AUTOINC_W 0x0100 /* Write Auto-increment */
120#define B43legacy_SHM_AUTOINC_RW (B43legacy_SHM_AUTOINC_R | \
121 B43legacy_SHM_AUTOINC_W)
122
123/* Misc SHM_SHARED offsets */
124#define B43legacy_SHM_SH_WLCOREREV 0x0016 /* 802.11 core revision */
125#define B43legacy_SHM_SH_HOSTFLO 0x005E /* Hostflags ucode opts (low) */
126#define B43legacy_SHM_SH_HOSTFHI 0x0060 /* Hostflags ucode opts (high) */
127/* SHM_SHARED crypto engine */
128#define B43legacy_SHM_SH_KEYIDXBLOCK 0x05D4 /* Key index/algorithm block */
129/* SHM_SHARED beacon variables */
130#define B43legacy_SHM_SH_BEACPHYCTL 0x0054 /* Beacon PHY TX control word */
131/* SHM_SHARED ACK/CTS control */
132#define B43legacy_SHM_SH_ACKCTSPHYCTL 0x0022 /* ACK/CTS PHY control word */
133/* SHM_SHARED probe response variables */
134#define B43legacy_SHM_SH_PRPHYCTL 0x0188 /* Probe Resp PHY TX control */
135#define B43legacy_SHM_SH_PRMAXTIME 0x0074 /* Probe Response max time */
136/* SHM_SHARED rate tables */
137/* SHM_SHARED microcode soft registers */
138#define B43legacy_SHM_SH_UCODEREV 0x0000 /* Microcode revision */
139#define B43legacy_SHM_SH_UCODEPATCH 0x0002 /* Microcode patchlevel */
140#define B43legacy_SHM_SH_UCODEDATE 0x0004 /* Microcode date */
141#define B43legacy_SHM_SH_UCODETIME 0x0006 /* Microcode time */
142
143#define B43legacy_UCODEFLAGS_OFFSET 0x005E
144
145/* Hardware Radio Enable masks */
146#define B43legacy_MMIO_RADIO_HWENABLED_HI_MASK (1 << 16)
147#define B43legacy_MMIO_RADIO_HWENABLED_LO_MASK (1 << 4)
148
149/* HostFlags. See b43legacy_hf_read/write() */
150#define B43legacy_HF_SYMW 0x00000002 /* G-PHY SYM workaround */
151#define B43legacy_HF_GDCW 0x00000020 /* G-PHY DV cancel filter */
152#define B43legacy_HF_OFDMPABOOST 0x00000040 /* Enable PA boost OFDM */
153#define B43legacy_HF_EDCF 0x00000100 /* on if WME/MAC suspended */
154
155/* MacFilter offsets. */
156#define B43legacy_MACFILTER_SELF 0x0000
157#define B43legacy_MACFILTER_BSSID 0x0003
158#define B43legacy_MACFILTER_MAC 0x0010
159
160/* PHYVersioning */
161#define B43legacy_PHYTYPE_B 0x01
162#define B43legacy_PHYTYPE_G 0x02
163
164/* PHYRegisters */
165#define B43legacy_PHY_G_LO_CONTROL 0x0810
166#define B43legacy_PHY_ILT_G_CTRL 0x0472
167#define B43legacy_PHY_ILT_G_DATA1 0x0473
168#define B43legacy_PHY_ILT_G_DATA2 0x0474
169#define B43legacy_PHY_G_PCTL 0x0029
170#define B43legacy_PHY_RADIO_BITFIELD 0x0401
171#define B43legacy_PHY_G_CRS 0x0429
172#define B43legacy_PHY_NRSSILT_CTRL 0x0803
173#define B43legacy_PHY_NRSSILT_DATA 0x0804
174
175/* RadioRegisters */
176#define B43legacy_RADIOCTL_ID 0x01
177
178/* MAC Control bitfield */
179#define B43legacy_MACCTL_IHR_ENABLED 0x00000400 /* IHR Region Enabled */
180#define B43legacy_MACCTL_INFRA 0x00020000 /* Infrastructure mode */
181#define B43legacy_MACCTL_AP 0x00040000 /* AccessPoint mode */
182#define B43legacy_MACCTL_KEEP_BADPLCP 0x00200000 /* Keep bad PLCP frames */
183#define B43legacy_MACCTL_KEEP_CTL 0x00400000 /* Keep control frames */
184#define B43legacy_MACCTL_KEEP_BAD 0x00800000 /* Keep bad frames (FCS) */
185#define B43legacy_MACCTL_PROMISC 0x01000000 /* Promiscuous mode */
186#define B43legacy_MACCTL_GMODE 0x80000000 /* G Mode */
187
188/* StatusBitField */
189#define B43legacy_SBF_MAC_ENABLED 0x00000001
190#define B43legacy_SBF_CORE_READY 0x00000004
191#define B43legacy_SBF_400 0x00000400 /*FIXME: fix name*/
192#define B43legacy_SBF_XFER_REG_BYTESWAP 0x00010000
193#define B43legacy_SBF_MODE_NOTADHOC 0x00020000
194#define B43legacy_SBF_MODE_AP 0x00040000
195#define B43legacy_SBF_RADIOREG_LOCK 0x00080000
196#define B43legacy_SBF_MODE_MONITOR 0x00400000
197#define B43legacy_SBF_MODE_PROMISC 0x01000000
198#define B43legacy_SBF_PS1 0x02000000
199#define B43legacy_SBF_PS2 0x04000000
200#define B43legacy_SBF_NO_SSID_BCAST 0x08000000
201#define B43legacy_SBF_TIME_UPDATE 0x10000000
202
203/* 802.11 core specific TM State Low flags */
204#define B43legacy_TMSLOW_GMODE 0x20000000 /* G Mode Enable */
205#define B43legacy_TMSLOW_PLLREFSEL 0x00200000 /* PLL Freq Ref Select */
206#define B43legacy_TMSLOW_MACPHYCLKEN 0x00100000 /* MAC PHY Clock Ctrl Enbl */
207#define B43legacy_TMSLOW_PHYRESET 0x00080000 /* PHY Reset */
208#define B43legacy_TMSLOW_PHYCLKEN 0x00040000 /* PHY Clock Enable */
209
210/* 802.11 core specific TM State High flags */
211#define B43legacy_TMSHIGH_FCLOCK 0x00040000 /* Fast Clock Available */
212#define B43legacy_TMSHIGH_GPHY 0x00010000 /* G-PHY avail (rev >= 5) */
213
214#define B43legacy_UCODEFLAG_AUTODIV 0x0001
215
216/* Generic-Interrupt reasons. */
217#define B43legacy_IRQ_MAC_SUSPENDED 0x00000001
218#define B43legacy_IRQ_BEACON 0x00000002
219#define B43legacy_IRQ_TBTT_INDI 0x00000004 /* Target Beacon Transmit Time */
220#define B43legacy_IRQ_BEACON_TX_OK 0x00000008
221#define B43legacy_IRQ_BEACON_CANCEL 0x00000010
222#define B43legacy_IRQ_ATIM_END 0x00000020
223#define B43legacy_IRQ_PMQ 0x00000040
224#define B43legacy_IRQ_PIO_WORKAROUND 0x00000100
225#define B43legacy_IRQ_MAC_TXERR 0x00000200
226#define B43legacy_IRQ_PHY_TXERR 0x00000800
227#define B43legacy_IRQ_PMEVENT 0x00001000
228#define B43legacy_IRQ_TIMER0 0x00002000
229#define B43legacy_IRQ_TIMER1 0x00004000
230#define B43legacy_IRQ_DMA 0x00008000
231#define B43legacy_IRQ_TXFIFO_FLUSH_OK 0x00010000
232#define B43legacy_IRQ_CCA_MEASURE_OK 0x00020000
233#define B43legacy_IRQ_NOISESAMPLE_OK 0x00040000
234#define B43legacy_IRQ_UCODE_DEBUG 0x08000000
235#define B43legacy_IRQ_RFKILL 0x10000000
236#define B43legacy_IRQ_TX_OK 0x20000000
237#define B43legacy_IRQ_PHY_G_CHANGED 0x40000000
238#define B43legacy_IRQ_TIMEOUT 0x80000000
239
240#define B43legacy_IRQ_ALL 0xFFFFFFFF
241#define B43legacy_IRQ_MASKTEMPLATE (B43legacy_IRQ_MAC_SUSPENDED | \
242 B43legacy_IRQ_BEACON | \
243 B43legacy_IRQ_TBTT_INDI | \
244 B43legacy_IRQ_ATIM_END | \
245 B43legacy_IRQ_PMQ | \
246 B43legacy_IRQ_MAC_TXERR | \
247 B43legacy_IRQ_PHY_TXERR | \
248 B43legacy_IRQ_DMA | \
249 B43legacy_IRQ_TXFIFO_FLUSH_OK | \
250 B43legacy_IRQ_NOISESAMPLE_OK | \
251 B43legacy_IRQ_UCODE_DEBUG | \
252 B43legacy_IRQ_RFKILL | \
253 B43legacy_IRQ_TX_OK)
254
255/* Device specific rate values.
256 * The actual values defined here are (rate_in_mbps * 2).
257 * Some code depends on this. Don't change it. */
258#define B43legacy_CCK_RATE_1MB 2
259#define B43legacy_CCK_RATE_2MB 4
260#define B43legacy_CCK_RATE_5MB 11
261#define B43legacy_CCK_RATE_11MB 22
262#define B43legacy_OFDM_RATE_6MB 12
263#define B43legacy_OFDM_RATE_9MB 18
264#define B43legacy_OFDM_RATE_12MB 24
265#define B43legacy_OFDM_RATE_18MB 36
266#define B43legacy_OFDM_RATE_24MB 48
267#define B43legacy_OFDM_RATE_36MB 72
268#define B43legacy_OFDM_RATE_48MB 96
269#define B43legacy_OFDM_RATE_54MB 108
270/* Convert a b43legacy rate value to a rate in 100kbps */
271#define B43legacy_RATE_TO_100KBPS(rate) (((rate) * 10) / 2)
272
273
274#define B43legacy_DEFAULT_SHORT_RETRY_LIMIT 7
275#define B43legacy_DEFAULT_LONG_RETRY_LIMIT 4
276
277/* Max size of a security key */
278#define B43legacy_SEC_KEYSIZE 16
279/* Security algorithms. */
280enum {
281 B43legacy_SEC_ALGO_NONE = 0, /* unencrypted, as of TX header. */
282 B43legacy_SEC_ALGO_WEP40,
283 B43legacy_SEC_ALGO_TKIP,
284 B43legacy_SEC_ALGO_AES,
285 B43legacy_SEC_ALGO_WEP104,
286 B43legacy_SEC_ALGO_AES_LEGACY,
287};
288
289/* Core Information Registers */
290#define B43legacy_CIR_BASE 0xf00
291#define B43legacy_CIR_SBTPSFLAG (B43legacy_CIR_BASE + 0x18)
292#define B43legacy_CIR_SBIMSTATE (B43legacy_CIR_BASE + 0x90)
293#define B43legacy_CIR_SBINTVEC (B43legacy_CIR_BASE + 0x94)
294#define B43legacy_CIR_SBTMSTATELOW (B43legacy_CIR_BASE + 0x98)
295#define B43legacy_CIR_SBTMSTATEHIGH (B43legacy_CIR_BASE + 0x9c)
296#define B43legacy_CIR_SBIMCONFIGLOW (B43legacy_CIR_BASE + 0xa8)
297#define B43legacy_CIR_SB_ID_HI (B43legacy_CIR_BASE + 0xfc)
298
299/* sbtmstatehigh state flags */
300#define B43legacy_SBTMSTATEHIGH_SERROR 0x00000001
301#define B43legacy_SBTMSTATEHIGH_BUSY 0x00000004
302#define B43legacy_SBTMSTATEHIGH_TIMEOUT 0x00000020
303#define B43legacy_SBTMSTATEHIGH_G_PHY_AVAIL 0x00010000
304#define B43legacy_SBTMSTATEHIGH_COREFLAGS 0x1FFF0000
305#define B43legacy_SBTMSTATEHIGH_DMA64BIT 0x10000000
306#define B43legacy_SBTMSTATEHIGH_GATEDCLK 0x20000000
307#define B43legacy_SBTMSTATEHIGH_BISTFAILED 0x40000000
308#define B43legacy_SBTMSTATEHIGH_BISTCOMPLETE 0x80000000
309
310/* sbimstate flags */
311#define B43legacy_SBIMSTATE_IB_ERROR 0x20000
312#define B43legacy_SBIMSTATE_TIMEOUT 0x40000
313
314#define PFX KBUILD_MODNAME ": "
315#ifdef assert
316# undef assert
317#endif
318#ifdef CONFIG_B43LEGACY_DEBUG
319# define B43legacy_WARN_ON(expr) \
320 do { \
321 if (unlikely((expr))) { \
322 printk(KERN_INFO PFX "Test (%s) failed at:" \
323 " %s:%d:%s()\n", \
324 #expr, __FILE__, \
325 __LINE__, __FUNCTION__); \
326 } \
327 } while (0)
328# define B43legacy_BUG_ON(expr) \
329 do { \
330 if (unlikely((expr))) { \
331 printk(KERN_INFO PFX "Test (%s) failed\n", \
332 #expr); \
333 BUG_ON(expr); \
334 } \
335 } while (0)
336# define B43legacy_DEBUG 1
337#else
338# define B43legacy_WARN_ON(x) do { /* nothing */ } while (0)
339# define B43legacy_BUG_ON(x) do { /* nothing */ } while (0)
340# define B43legacy_DEBUG 0
341#endif
342
343
344struct net_device;
345struct pci_dev;
346struct b43legacy_dmaring;
347struct b43legacy_pioqueue;
348
349/* The firmware file header */
350#define B43legacy_FW_TYPE_UCODE 'u'
351#define B43legacy_FW_TYPE_PCM 'p'
352#define B43legacy_FW_TYPE_IV 'i'
353struct b43legacy_fw_header {
354 /* File type */
355 u8 type;
356 /* File format version */
357 u8 ver;
358 u8 __padding[2];
359 /* Size of the data. For ucode and PCM this is in bytes.
360 * For IV this is number-of-ivs. */
361 __be32 size;
362} __attribute__((__packed__));
363
364/* Initial Value file format */
365#define B43legacy_IV_OFFSET_MASK 0x7FFF
366#define B43legacy_IV_32BIT 0x8000
367struct b43legacy_iv {
368 __be16 offset_size;
369 union {
370 __be16 d16;
371 __be32 d32;
372 } data __attribute__((__packed__));
373} __attribute__((__packed__));
374
375#define B43legacy_PHYMODE(phytype) (1 << (phytype))
376#define B43legacy_PHYMODE_B B43legacy_PHYMODE \
377 ((B43legacy_PHYTYPE_B))
378#define B43legacy_PHYMODE_G B43legacy_PHYMODE \
379 ((B43legacy_PHYTYPE_G))
380
381/* Value pair to measure the LocalOscillator. */
382struct b43legacy_lopair {
383 s8 low;
384 s8 high;
385 u8 used:1;
386};
387#define B43legacy_LO_COUNT (14*4)
388
389struct b43legacy_phy {
390 /* Possible PHYMODEs on this PHY */
391 u8 possible_phymodes;
392 /* GMODE bit enabled in MACCTL? */
393 bool gmode;
394 /* Possible ieee80211 subsystem hwmodes for this PHY.
395 * Which mode is selected, depends on thr GMODE enabled bit */
396#define B43legacy_MAX_PHYHWMODES 2
397 struct ieee80211_hw_mode hwmodes[B43legacy_MAX_PHYHWMODES];
398
399 /* Analog Type */
400 u8 analog;
401 /* B43legacy_PHYTYPE_ */
402 u8 type;
403 /* PHY revision number. */
404 u8 rev;
405
406 u16 antenna_diversity;
407 u16 savedpctlreg;
408 /* Radio versioning */
409 u16 radio_manuf; /* Radio manufacturer */
410 u16 radio_ver; /* Radio version */
411 u8 calibrated:1;
412 u8 radio_rev; /* Radio revision */
413
75388acd
LF
414 bool locked; /* Only used in b43legacy_phy_{un}lock() */
415 bool dyn_tssi_tbl; /* tssi2dbm is kmalloc()ed. */
416
417 /* ACI (adjacent channel interference) flags. */
418 bool aci_enable;
419 bool aci_wlan_automatic;
420 bool aci_hw_rssi;
421
42a9174f
LF
422 /* Radio switched on/off */
423 bool radio_on;
424 struct {
425 /* Values saved when turning the radio off.
426 * They are needed when turning it on again. */
427 bool valid;
428 u16 rfover;
429 u16 rfoverval;
430 } radio_off_context;
431
75388acd
LF
432 u16 minlowsig[2];
433 u16 minlowsigpos[2];
434
435 /* LO Measurement Data.
436 * Use b43legacy_get_lopair() to get a value.
437 */
438 struct b43legacy_lopair *_lo_pairs;
439 /* TSSI to dBm table in use */
440 const s8 *tssi2dbm;
441 /* idle TSSI value */
442 s8 idle_tssi;
443 /* Target idle TSSI */
444 int tgt_idle_tssi;
445 /* Current idle TSSI */
446 int cur_idle_tssi;
447
448 /* LocalOscillator control values. */
449 struct b43legacy_txpower_lo_control *lo_control;
450 /* Values from b43legacy_calc_loopback_gain() */
451 s16 max_lb_gain; /* Maximum Loopback gain in hdB */
452 s16 trsw_rx_gain; /* TRSW RX gain in hdB */
453 s16 lna_lod_gain; /* LNA lod */
454 s16 lna_gain; /* LNA */
455 s16 pga_gain; /* PGA */
456
457 /* PHY lock for core.rev < 3
458 * This lock is only used by b43legacy_phy_{un}lock()
459 */
460 spinlock_t lock;
461
462 /* Desired TX power level (in dBm). This is set by the user and
463 * adjusted in b43legacy_phy_xmitpower(). */
464 u8 power_level;
465
466 /* Values from b43legacy_calc_loopback_gain() */
467 u16 loopback_gain[2];
468
469 /* TX Power control values. */
470 /* B/G PHY */
471 struct {
472 /* Current Radio Attenuation for TXpower recalculation. */
473 u16 rfatt;
474 /* Current Baseband Attenuation for TXpower recalculation. */
475 u16 bbatt;
476 /* Current TXpower control value for TXpower recalculation. */
477 u16 txctl1;
478 u16 txctl2;
479 };
480 /* A PHY */
481 struct {
482 u16 txpwr_offset;
483 };
484
485#ifdef CONFIG_B43LEGACY_DEBUG
486 bool manual_txpower_control; /* Manual TX-power control enabled? */
487#endif
488 /* Current Interference Mitigation mode */
489 int interfmode;
490 /* Stack of saved values from the Interference Mitigation code.
491 * Each value in the stack is layed out as follows:
492 * bit 0-11: offset
493 * bit 12-15: register ID
494 * bit 16-32: value
495 * register ID is: 0x1 PHY, 0x2 Radio, 0x3 ILT
496 */
497#define B43legacy_INTERFSTACK_SIZE 26
498 u32 interfstack[B43legacy_INTERFSTACK_SIZE];
499
500 /* Saved values from the NRSSI Slope calculation */
501 s16 nrssi[2];
502 s32 nrssislope;
503 /* In memory nrssi lookup table. */
504 s8 nrssi_lt[64];
505
506 /* current channel */
507 u8 channel;
508
509 u16 lofcal;
510
511 u16 initval;
512};
513
514/* Data structures for DMA transmission, per 80211 core. */
515struct b43legacy_dma {
516 struct b43legacy_dmaring *tx_ring0;
517 struct b43legacy_dmaring *tx_ring1;
518 struct b43legacy_dmaring *tx_ring2;
519 struct b43legacy_dmaring *tx_ring3;
520 struct b43legacy_dmaring *tx_ring4;
521 struct b43legacy_dmaring *tx_ring5;
522
523 struct b43legacy_dmaring *rx_ring0;
524 struct b43legacy_dmaring *rx_ring3; /* only on core.rev < 5 */
525};
526
527/* Data structures for PIO transmission, per 80211 core. */
528struct b43legacy_pio {
529 struct b43legacy_pioqueue *queue0;
530 struct b43legacy_pioqueue *queue1;
531 struct b43legacy_pioqueue *queue2;
532 struct b43legacy_pioqueue *queue3;
533};
534
535/* Context information for a noise calculation (Link Quality). */
536struct b43legacy_noise_calculation {
537 u8 channel_at_start;
538 bool calculation_running;
539 u8 nr_samples;
540 s8 samples[8][4];
541};
542
543struct b43legacy_stats {
544 u8 link_noise;
545 /* Store the last TX/RX times here for updating the leds. */
546 unsigned long last_tx;
547 unsigned long last_rx;
548};
549
550struct b43legacy_key {
551 void *keyconf;
552 bool enabled;
553 u8 algorithm;
554};
555
556struct b43legacy_wldev;
557
558/* Data structure for the WLAN parts (802.11 cores) of the b43legacy chip. */
559struct b43legacy_wl {
560 /* Pointer to the active wireless device on this chip */
561 struct b43legacy_wldev *current_dev;
562 /* Pointer to the ieee80211 hardware data structure */
563 struct ieee80211_hw *hw;
564
565 spinlock_t irq_lock; /* locks IRQ */
566 struct mutex mutex; /* locks wireless core state */
567 spinlock_t leds_lock; /* lock for leds */
568
569 /* We can only have one operating interface (802.11 core)
570 * at a time. General information about this interface follows.
571 */
572
573 /* Opaque ID of the operating interface (!= monitor
574 * interface) from the ieee80211 subsystem.
575 * Do not modify.
576 */
577 int if_id;
578 /* MAC address (can be NULL). */
579 const u8 *mac_addr;
580 /* Current BSSID (can be NULL). */
581 const u8 *bssid;
582 /* Interface type. (IEEE80211_IF_TYPE_XXX) */
583 int if_type;
584 /* Counter of active monitor interfaces. */
585 int monitor;
586 /* Is the card operating in AP, STA or IBSS mode? */
587 bool operating;
588 /* Promisc mode active?
589 * Note that (monitor != 0) implies promisc.
590 */
591 bool promisc;
592 /* Stats about the wireless interface */
593 struct ieee80211_low_level_stats ieee_stats;
594
595 struct hwrng rng;
596 u8 rng_initialized;
597 char rng_name[30 + 1];
598
599 /* List of all wireless devices on this chip */
600 struct list_head devlist;
601 u8 nr_devs;
602};
603
604/* Pointers to the firmware data and meta information about it. */
605struct b43legacy_firmware {
606 /* Microcode */
607 const struct firmware *ucode;
608 /* PCM code */
609 const struct firmware *pcm;
610 /* Initial MMIO values for the firmware */
611 const struct firmware *initvals;
612 /* Initial MMIO values for the firmware, band-specific */
613 const struct firmware *initvals_band;
614 /* Firmware revision */
615 u16 rev;
616 /* Firmware patchlevel */
617 u16 patch;
618};
619
620/* Device (802.11 core) initialization status. */
621enum {
622 B43legacy_STAT_UNINIT = 0, /* Uninitialized. */
623 B43legacy_STAT_INITIALIZED = 1, /* Initialized, not yet started. */
624 B43legacy_STAT_STARTED = 2, /* Up and running. */
625};
626#define b43legacy_status(wldev) atomic_read(&(wldev)->__init_status)
627#define b43legacy_set_status(wldev, stat) do { \
628 atomic_set(&(wldev)->__init_status, (stat)); \
629 smp_wmb(); \
630 } while (0)
631
632/* *** --- HOW LOCKING WORKS IN B43legacy --- ***
633 *
634 * You should always acquire both, wl->mutex and wl->irq_lock unless:
635 * - You don't need to acquire wl->irq_lock, if the interface is stopped.
636 * - You don't need to acquire wl->mutex in the IRQ handler, IRQ tasklet
637 * and packet TX path (and _ONLY_ there.)
638 */
639
640/* Data structure for one wireless device (802.11 core) */
641struct b43legacy_wldev {
642 struct ssb_device *dev;
643 struct b43legacy_wl *wl;
644
645 /* The device initialization status.
646 * Use b43legacy_status() to query. */
647 atomic_t __init_status;
648 /* Saved init status for handling suspend. */
649 int suspend_init_status;
650
651 bool __using_pio; /* Using pio rather than dma. */
652 bool bad_frames_preempt;/* Use "Bad Frames Preemption". */
653 bool reg124_set_0x4; /* Variable to keep track of IRQ. */
654 bool short_preamble; /* TRUE if using short preamble. */
655 bool short_slot; /* TRUE if using short slot timing. */
656 bool radio_hw_enable; /* State of radio hardware enable bit. */
657
658 /* PHY/Radio device. */
659 struct b43legacy_phy phy;
660 union {
661 /* DMA engines. */
662 struct b43legacy_dma dma;
663 /* PIO engines. */
664 struct b43legacy_pio pio;
665 };
666
667 /* Various statistics about the physical device. */
668 struct b43legacy_stats stats;
669
670#define B43legacy_NR_LEDS 4
671 struct b43legacy_led leds[B43legacy_NR_LEDS];
672
673 /* Reason code of the last interrupt. */
674 u32 irq_reason;
675 u32 dma_reason[6];
676 /* saved irq enable/disable state bitfield. */
677 u32 irq_savedstate;
678 /* Link Quality calculation context. */
679 struct b43legacy_noise_calculation noisecalc;
680 /* if > 0 MAC is suspended. if == 0 MAC is enabled. */
681 int mac_suspended;
682
683 /* Interrupt Service Routine tasklet (bottom-half) */
684 struct tasklet_struct isr_tasklet;
685
686 /* Periodic tasks */
687 struct delayed_work periodic_work;
688 unsigned int periodic_state;
689
690 struct work_struct restart_work;
691
692 /* encryption/decryption */
693 u16 ktp; /* Key table pointer */
694 u8 max_nr_keys;
695 struct b43legacy_key key[58];
696
697 /* Cached beacon template while uploading the template. */
698 struct sk_buff *cached_beacon;
699
700 /* Firmware data */
701 struct b43legacy_firmware fw;
702
703 /* Devicelist in struct b43legacy_wl (all 802.11 cores) */
704 struct list_head list;
705
706 /* Debugging stuff follows. */
707#ifdef CONFIG_B43LEGACY_DEBUG
708 struct b43legacy_dfsentry *dfsentry;
709#endif
710};
711
712
713static inline
714struct b43legacy_wl *hw_to_b43legacy_wl(struct ieee80211_hw *hw)
715{
716 return hw->priv;
717}
718
719/* Helper function, which returns a boolean.
720 * TRUE, if PIO is used; FALSE, if DMA is used.
721 */
722#if defined(CONFIG_B43LEGACY_DMA) && defined(CONFIG_B43LEGACY_PIO)
723static inline
724int b43legacy_using_pio(struct b43legacy_wldev *dev)
725{
726 return dev->__using_pio;
727}
728#elif defined(CONFIG_B43LEGACY_DMA)
729static inline
730int b43legacy_using_pio(struct b43legacy_wldev *dev)
731{
732 return 0;
733}
734#elif defined(CONFIG_B43LEGACY_PIO)
735static inline
736int b43legacy_using_pio(struct b43legacy_wldev *dev)
737{
738 return 1;
739}
740#else
741# error "Using neither DMA nor PIO? Confused..."
742#endif
743
744
745static inline
746struct b43legacy_wldev *dev_to_b43legacy_wldev(struct device *dev)
747{
748 struct ssb_device *ssb_dev = dev_to_ssb_dev(dev);
749 return ssb_get_drvdata(ssb_dev);
750}
751
752/* Is the device operating in a specified mode (IEEE80211_IF_TYPE_XXX). */
753static inline
754int b43legacy_is_mode(struct b43legacy_wl *wl, int type)
755{
756 if (type == IEEE80211_IF_TYPE_MNTR)
757 return !!(wl->monitor);
758 return (wl->operating &&
759 wl->if_type == type);
760}
761
762static inline
763bool is_bcm_board_vendor(struct b43legacy_wldev *dev)
764{
765 return (dev->dev->bus->boardinfo.vendor == PCI_VENDOR_ID_BROADCOM);
766}
767
768static inline
769u16 b43legacy_read16(struct b43legacy_wldev *dev, u16 offset)
770{
771 return ssb_read16(dev->dev, offset);
772}
773
774static inline
775void b43legacy_write16(struct b43legacy_wldev *dev, u16 offset, u16 value)
776{
777 ssb_write16(dev->dev, offset, value);
778}
779
780static inline
781u32 b43legacy_read32(struct b43legacy_wldev *dev, u16 offset)
782{
783 return ssb_read32(dev->dev, offset);
784}
785
786static inline
787void b43legacy_write32(struct b43legacy_wldev *dev, u16 offset, u32 value)
788{
789 ssb_write32(dev->dev, offset, value);
790}
791
792static inline
793struct b43legacy_lopair *b43legacy_get_lopair(struct b43legacy_phy *phy,
794 u16 radio_attenuation,
795 u16 baseband_attenuation)
796{
797 return phy->_lo_pairs + (radio_attenuation
798 + 14 * (baseband_attenuation / 2));
799}
800
801
802
803/* Message printing */
804void b43legacyinfo(struct b43legacy_wl *wl, const char *fmt, ...)
805 __attribute__((format(printf, 2, 3)));
806void b43legacyerr(struct b43legacy_wl *wl, const char *fmt, ...)
807 __attribute__((format(printf, 2, 3)));
808void b43legacywarn(struct b43legacy_wl *wl, const char *fmt, ...)
809 __attribute__((format(printf, 2, 3)));
810#if B43legacy_DEBUG
811void b43legacydbg(struct b43legacy_wl *wl, const char *fmt, ...)
812 __attribute__((format(printf, 2, 3)));
813#else /* DEBUG */
814# define b43legacydbg(wl, fmt...) do { /* nothing */ } while (0)
815#endif /* DEBUG */
816
817
818/** Limit a value between two limits */
819#ifdef limit_value
820# undef limit_value
821#endif
822#define limit_value(value, min, max) \
823 ({ \
824 typeof(value) __value = (value); \
825 typeof(value) __min = (min); \
826 typeof(value) __max = (max); \
827 if (__value < __min) \
828 __value = __min; \
829 else if (__value > __max) \
830 __value = __max; \
831 __value; \
832 })
833
834/* Macros for printing a value in Q5.2 format */
835#define Q52_FMT "%u.%u"
836#define Q52_ARG(q52) ((q52) / 4), (((q52) & 3) * 100 / 4)
837
838#endif /* B43legacy_H_ */
This page took 0.085411 seconds and 5 git commands to generate.