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>
14 #include <linux/ssb/ssb.h>
15 #include <linux/ssb/ssb_driver_chipcommon.h>
17 #include <linux/wireless.h>
18 #include <net/mac80211.h>
25 #define B43legacy_IRQWAIT_MAX_RETRIES 100
27 #define B43legacy_RX_MAX_SSI 60 /* best guess at max ssi */
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 */
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
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
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
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
103 /* SPROM boardflags_lo values */
104 #define B43legacy_BFL_PACTRL 0x0002
105 #define B43legacy_BFL_RSSI 0x0008
106 #define B43legacy_BFL_EXTLNA 0x1000
108 /* GPIO register offset, in both ChipCommon and PCI core. */
109 #define B43legacy_GPIO_CONTROL 0x6c
112 #define B43legacy_SHM_SHARED 0x0001
113 #define B43legacy_SHM_WIRELESS 0x0002
114 #define B43legacy_SHM_HW 0x0004
115 #define B43legacy_SHM_UCODE 0x0300
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)
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 */
143 #define B43legacy_UCODEFLAGS_OFFSET 0x005E
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)
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 */
155 /* MacFilter offsets. */
156 #define B43legacy_MACFILTER_SELF 0x0000
157 #define B43legacy_MACFILTER_BSSID 0x0003
158 #define B43legacy_MACFILTER_MAC 0x0010
161 #define B43legacy_PHYTYPE_B 0x01
162 #define B43legacy_PHYTYPE_G 0x02
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
176 #define B43legacy_RADIOCTL_ID 0x01
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 */
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
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 */
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) */
214 #define B43legacy_UCODEFLAG_AUTODIV 0x0001
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
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 | \
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)
274 #define B43legacy_DEFAULT_SHORT_RETRY_LIMIT 7
275 #define B43legacy_DEFAULT_LONG_RETRY_LIMIT 4
277 /* Max size of a security key */
278 #define B43legacy_SEC_KEYSIZE 16
279 /* Security algorithms. */
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,
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)
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
310 /* sbimstate flags */
311 #define B43legacy_SBIMSTATE_IB_ERROR 0x20000
312 #define B43legacy_SBIMSTATE_TIMEOUT 0x40000
314 #define PFX KBUILD_MODNAME ": "
318 #ifdef CONFIG_B43LEGACY_DEBUG
319 # define B43legacy_WARN_ON(expr) \
321 if (unlikely((expr))) { \
322 printk(KERN_INFO PFX "Test (%s) failed at:" \
325 __LINE__, __FUNCTION__); \
328 # define B43legacy_BUG_ON(expr) \
330 if (unlikely((expr))) { \
331 printk(KERN_INFO PFX "Test (%s) failed\n", \
336 # define B43legacy_DEBUG 1
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
346 struct b43legacy_dmaring;
347 struct b43legacy_pioqueue;
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'
353 struct b43legacy_fw_header {
356 /* File format version */
359 /* Size of the data. For ucode and PCM this is in bytes.
360 * For IV this is number-of-ivs. */
362 } __attribute__((__packed__));
364 /* Initial Value file format */
365 #define B43legacy_IV_OFFSET_MASK 0x7FFF
366 #define B43legacy_IV_32BIT 0x8000
367 struct b43legacy_iv {
372 } data __attribute__((__packed__));
373 } __attribute__((__packed__));
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))
381 /* Value pair to measure the LocalOscillator. */
382 struct b43legacy_lopair {
387 #define B43legacy_LO_COUNT (14*4)
389 struct b43legacy_phy {
390 /* Possible PHYMODEs on this PHY */
391 u8 possible_phymodes;
392 /* GMODE bit enabled in MACCTL? */
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];
401 /* B43legacy_PHYTYPE_ */
403 /* PHY revision number. */
406 u16 antenna_diversity;
408 /* Radio versioning */
409 u16 radio_manuf; /* Radio manufacturer */
410 u16 radio_ver; /* Radio version */
412 u8 radio_rev; /* Radio revision */
414 bool locked; /* Only used in b43legacy_phy_{un}lock() */
415 bool dyn_tssi_tbl; /* tssi2dbm is kmalloc()ed. */
417 /* ACI (adjacent channel interference) flags. */
419 bool aci_wlan_automatic;
422 /* Radio switched on/off */
425 /* Values saved when turning the radio off.
426 * They are needed when turning it on again. */
435 /* LO Measurement Data.
436 * Use b43legacy_get_lopair() to get a value.
438 struct b43legacy_lopair *_lo_pairs;
439 /* TSSI to dBm table in use */
441 /* idle TSSI value */
443 /* Target idle TSSI */
445 /* Current idle TSSI */
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 */
457 /* PHY lock for core.rev < 3
458 * This lock is only used by b43legacy_phy_{un}lock()
462 /* Desired TX power level (in dBm). This is set by the user and
463 * adjusted in b43legacy_phy_xmitpower(). */
466 /* Values from b43legacy_calc_loopback_gain() */
467 u16 loopback_gain[2];
469 /* TX Power control values. */
472 /* Current Radio Attenuation for TXpower recalculation. */
474 /* Current Baseband Attenuation for TXpower recalculation. */
476 /* Current TXpower control value for TXpower recalculation. */
485 #ifdef CONFIG_B43LEGACY_DEBUG
486 bool manual_txpower_control; /* Manual TX-power control enabled? */
488 /* Current Interference Mitigation mode */
490 /* Stack of saved values from the Interference Mitigation code.
491 * Each value in the stack is layed out as follows:
493 * bit 12-15: register ID
495 * register ID is: 0x1 PHY, 0x2 Radio, 0x3 ILT
497 #define B43legacy_INTERFSTACK_SIZE 26
498 u32 interfstack[B43legacy_INTERFSTACK_SIZE];
500 /* Saved values from the NRSSI Slope calculation */
503 /* In memory nrssi lookup table. */
506 /* current channel */
514 /* Data structures for DMA transmission, per 80211 core. */
515 struct 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;
523 struct b43legacy_dmaring *rx_ring0;
524 struct b43legacy_dmaring *rx_ring3; /* only on core.rev < 5 */
527 /* Data structures for PIO transmission, per 80211 core. */
528 struct b43legacy_pio {
529 struct b43legacy_pioqueue *queue0;
530 struct b43legacy_pioqueue *queue1;
531 struct b43legacy_pioqueue *queue2;
532 struct b43legacy_pioqueue *queue3;
535 /* Context information for a noise calculation (Link Quality). */
536 struct b43legacy_noise_calculation {
538 bool calculation_running;
543 struct b43legacy_stats {
545 /* Store the last TX/RX times here for updating the leds. */
546 unsigned long last_tx;
547 unsigned long last_rx;
550 struct b43legacy_key {
556 struct b43legacy_wldev;
558 /* Data structure for the WLAN parts (802.11 cores) of the b43legacy chip. */
559 struct 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;
565 spinlock_t irq_lock; /* locks IRQ */
566 struct mutex mutex; /* locks wireless core state */
567 spinlock_t leds_lock; /* lock for leds */
569 /* We can only have one operating interface (802.11 core)
570 * at a time. General information about this interface follows.
573 /* Opaque ID of the operating interface (!= monitor
574 * interface) from the ieee80211 subsystem.
578 /* MAC address (can be NULL). */
580 /* Current BSSID (can be NULL). */
582 /* Interface type. (IEEE80211_IF_TYPE_XXX) */
584 /* Counter of active monitor interfaces. */
586 /* Is the card operating in AP, STA or IBSS mode? */
588 /* Promisc mode active?
589 * Note that (monitor != 0) implies promisc.
592 /* Stats about the wireless interface */
593 struct ieee80211_low_level_stats ieee_stats;
597 char rng_name[30 + 1];
599 /* List of all wireless devices on this chip */
600 struct list_head devlist;
604 /* Pointers to the firmware data and meta information about it. */
605 struct b43legacy_firmware {
607 const struct firmware *ucode;
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 */
616 /* Firmware patchlevel */
620 /* Device (802.11 core) initialization status. */
622 B43legacy_STAT_UNINIT = 0, /* Uninitialized. */
623 B43legacy_STAT_INITIALIZED = 1, /* Initialized, not yet started. */
624 B43legacy_STAT_STARTED = 2, /* Up and running. */
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)); \
632 /* *** --- HOW LOCKING WORKS IN B43legacy --- ***
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.)
640 /* Data structure for one wireless device (802.11 core) */
641 struct b43legacy_wldev {
642 struct ssb_device *dev;
643 struct b43legacy_wl *wl;
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;
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. */
658 /* PHY/Radio device. */
659 struct b43legacy_phy phy;
662 struct b43legacy_dma dma;
664 struct b43legacy_pio pio;
667 /* Various statistics about the physical device. */
668 struct b43legacy_stats stats;
670 #define B43legacy_NR_LEDS 4
671 struct b43legacy_led leds[B43legacy_NR_LEDS];
673 /* Reason code of the last interrupt. */
676 /* saved irq enable/disable state bitfield. */
678 /* Link Quality calculation context. */
679 struct b43legacy_noise_calculation noisecalc;
680 /* if > 0 MAC is suspended. if == 0 MAC is enabled. */
683 /* Interrupt Service Routine tasklet (bottom-half) */
684 struct tasklet_struct isr_tasklet;
687 struct delayed_work periodic_work;
688 unsigned int periodic_state;
690 struct work_struct restart_work;
692 /* encryption/decryption */
693 u16 ktp; /* Key table pointer */
695 struct b43legacy_key key[58];
697 /* Cached beacon template while uploading the template. */
698 struct sk_buff *cached_beacon;
701 struct b43legacy_firmware fw;
703 /* Devicelist in struct b43legacy_wl (all 802.11 cores) */
704 struct list_head list;
706 /* Debugging stuff follows. */
707 #ifdef CONFIG_B43LEGACY_DEBUG
708 struct b43legacy_dfsentry *dfsentry;
714 struct b43legacy_wl *hw_to_b43legacy_wl(struct ieee80211_hw *hw)
719 /* Helper function, which returns a boolean.
720 * TRUE, if PIO is used; FALSE, if DMA is used.
722 #if defined(CONFIG_B43LEGACY_DMA) && defined(CONFIG_B43LEGACY_PIO)
724 int b43legacy_using_pio(struct b43legacy_wldev *dev)
726 return dev->__using_pio;
728 #elif defined(CONFIG_B43LEGACY_DMA)
730 int b43legacy_using_pio(struct b43legacy_wldev *dev)
734 #elif defined(CONFIG_B43LEGACY_PIO)
736 int b43legacy_using_pio(struct b43legacy_wldev *dev)
741 # error "Using neither DMA nor PIO? Confused..."
746 struct b43legacy_wldev *dev_to_b43legacy_wldev(struct device *dev)
748 struct ssb_device *ssb_dev = dev_to_ssb_dev(dev);
749 return ssb_get_drvdata(ssb_dev);
752 /* Is the device operating in a specified mode (IEEE80211_IF_TYPE_XXX). */
754 int b43legacy_is_mode(struct b43legacy_wl *wl, int type)
756 if (type == IEEE80211_IF_TYPE_MNTR)
757 return !!(wl->monitor);
758 return (wl->operating &&
759 wl->if_type == type);
763 bool is_bcm_board_vendor(struct b43legacy_wldev *dev)
765 return (dev->dev->bus->boardinfo.vendor == PCI_VENDOR_ID_BROADCOM);
769 u16 b43legacy_read16(struct b43legacy_wldev *dev, u16 offset)
771 return ssb_read16(dev->dev, offset);
775 void b43legacy_write16(struct b43legacy_wldev *dev, u16 offset, u16 value)
777 ssb_write16(dev->dev, offset, value);
781 u32 b43legacy_read32(struct b43legacy_wldev *dev, u16 offset)
783 return ssb_read32(dev->dev, offset);
787 void b43legacy_write32(struct b43legacy_wldev *dev, u16 offset, u32 value)
789 ssb_write32(dev->dev, offset, value);
793 struct b43legacy_lopair *b43legacy_get_lopair(struct b43legacy_phy *phy,
794 u16 radio_attenuation,
795 u16 baseband_attenuation)
797 return phy->_lo_pairs + (radio_attenuation
798 + 14 * (baseband_attenuation / 2));
803 /* Message printing */
804 void b43legacyinfo(struct b43legacy_wl *wl, const char *fmt, ...)
805 __attribute__((format(printf, 2, 3)));
806 void b43legacyerr(struct b43legacy_wl *wl, const char *fmt, ...)
807 __attribute__((format(printf, 2, 3)));
808 void b43legacywarn(struct b43legacy_wl *wl, const char *fmt, ...)
809 __attribute__((format(printf, 2, 3)));
811 void b43legacydbg(struct b43legacy_wl *wl, const char *fmt, ...)
812 __attribute__((format(printf, 2, 3)));
814 # define b43legacydbg(wl, fmt...) do { /* nothing */ } while (0)
818 /** Limit a value between two limits */
822 #define limit_value(value, min, max) \
824 typeof(value) __value = (value); \
825 typeof(value) __min = (min); \
826 typeof(value) __max = (max); \
827 if (__value < __min) \
829 else if (__value > __max) \
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)
838 #endif /* B43legacy_H_ */