4 #include <linux/hw_random.h>
5 #include <linux/version.h>
6 #include <linux/kernel.h>
7 #include <linux/spinlock.h>
8 #include <linux/interrupt.h>
9 #include <linux/stringify.h>
10 #include <linux/pci.h>
11 #include <net/ieee80211.h>
12 #include <net/ieee80211softmac.h>
13 #include <asm/atomic.h>
17 #include "bcm43xx_debugfs.h"
18 #include "bcm43xx_leds.h"
21 #define PFX KBUILD_MODNAME ": "
23 #define BCM43xx_SWITCH_CORE_MAX_RETRIES 50
24 #define BCM43xx_IRQWAIT_MAX_RETRIES 100
26 #define BCM43xx_IO_SIZE 8192
28 /* Active Core PCI Configuration Register. */
29 #define BCM43xx_PCICFG_ACTIVE_CORE 0x80
30 /* SPROM control register. */
31 #define BCM43xx_PCICFG_SPROMCTL 0x88
32 /* Interrupt Control PCI Configuration Register. (Only on PCI cores with rev >= 6) */
33 #define BCM43xx_PCICFG_ICR 0x94
36 #define BCM43xx_MMIO_DMA0_REASON 0x20
37 #define BCM43xx_MMIO_DMA0_IRQ_MASK 0x24
38 #define BCM43xx_MMIO_DMA1_REASON 0x28
39 #define BCM43xx_MMIO_DMA1_IRQ_MASK 0x2C
40 #define BCM43xx_MMIO_DMA2_REASON 0x30
41 #define BCM43xx_MMIO_DMA2_IRQ_MASK 0x34
42 #define BCM43xx_MMIO_DMA3_REASON 0x38
43 #define BCM43xx_MMIO_DMA3_IRQ_MASK 0x3C
44 #define BCM43xx_MMIO_DMA4_REASON 0x40
45 #define BCM43xx_MMIO_DMA4_IRQ_MASK 0x44
46 #define BCM43xx_MMIO_DMA5_REASON 0x48
47 #define BCM43xx_MMIO_DMA5_IRQ_MASK 0x4C
48 #define BCM43xx_MMIO_STATUS_BITFIELD 0x120
49 #define BCM43xx_MMIO_STATUS2_BITFIELD 0x124
50 #define BCM43xx_MMIO_GEN_IRQ_REASON 0x128
51 #define BCM43xx_MMIO_GEN_IRQ_MASK 0x12C
52 #define BCM43xx_MMIO_RAM_CONTROL 0x130
53 #define BCM43xx_MMIO_RAM_DATA 0x134
54 #define BCM43xx_MMIO_PS_STATUS 0x140
55 #define BCM43xx_MMIO_RADIO_HWENABLED_HI 0x158
56 #define BCM43xx_MMIO_SHM_CONTROL 0x160
57 #define BCM43xx_MMIO_SHM_DATA 0x164
58 #define BCM43xx_MMIO_SHM_DATA_UNALIGNED 0x166
59 #define BCM43xx_MMIO_XMITSTAT_0 0x170
60 #define BCM43xx_MMIO_XMITSTAT_1 0x174
61 #define BCM43xx_MMIO_REV3PLUS_TSF_LOW 0x180 /* core rev >= 3 only */
62 #define BCM43xx_MMIO_REV3PLUS_TSF_HIGH 0x184 /* core rev >= 3 only */
65 #define BCM43xx_MMIO_DMA32_BASE0 0x200
66 #define BCM43xx_MMIO_DMA32_BASE1 0x220
67 #define BCM43xx_MMIO_DMA32_BASE2 0x240
68 #define BCM43xx_MMIO_DMA32_BASE3 0x260
69 #define BCM43xx_MMIO_DMA32_BASE4 0x280
70 #define BCM43xx_MMIO_DMA32_BASE5 0x2A0
72 #define BCM43xx_MMIO_DMA64_BASE0 0x200
73 #define BCM43xx_MMIO_DMA64_BASE1 0x240
74 #define BCM43xx_MMIO_DMA64_BASE2 0x280
75 #define BCM43xx_MMIO_DMA64_BASE3 0x2C0
76 #define BCM43xx_MMIO_DMA64_BASE4 0x300
77 #define BCM43xx_MMIO_DMA64_BASE5 0x340
79 #define BCM43xx_MMIO_PIO1_BASE 0x300
80 #define BCM43xx_MMIO_PIO2_BASE 0x310
81 #define BCM43xx_MMIO_PIO3_BASE 0x320
82 #define BCM43xx_MMIO_PIO4_BASE 0x330
84 #define BCM43xx_MMIO_PHY_VER 0x3E0
85 #define BCM43xx_MMIO_PHY_RADIO 0x3E2
86 #define BCM43xx_MMIO_ANTENNA 0x3E8
87 #define BCM43xx_MMIO_CHANNEL 0x3F0
88 #define BCM43xx_MMIO_CHANNEL_EXT 0x3F4
89 #define BCM43xx_MMIO_RADIO_CONTROL 0x3F6
90 #define BCM43xx_MMIO_RADIO_DATA_HIGH 0x3F8
91 #define BCM43xx_MMIO_RADIO_DATA_LOW 0x3FA
92 #define BCM43xx_MMIO_PHY_CONTROL 0x3FC
93 #define BCM43xx_MMIO_PHY_DATA 0x3FE
94 #define BCM43xx_MMIO_MACFILTER_CONTROL 0x420
95 #define BCM43xx_MMIO_MACFILTER_DATA 0x422
96 #define BCM43xx_MMIO_RADIO_HWENABLED_LO 0x49A
97 #define BCM43xx_MMIO_GPIO_CONTROL 0x49C
98 #define BCM43xx_MMIO_GPIO_MASK 0x49E
99 #define BCM43xx_MMIO_TSF_0 0x632 /* core rev < 3 only */
100 #define BCM43xx_MMIO_TSF_1 0x634 /* core rev < 3 only */
101 #define BCM43xx_MMIO_TSF_2 0x636 /* core rev < 3 only */
102 #define BCM43xx_MMIO_TSF_3 0x638 /* core rev < 3 only */
103 #define BCM43xx_MMIO_RNG 0x65A
104 #define BCM43xx_MMIO_POWERUP_DELAY 0x6A8
107 #define BCM43xx_SPROM_BASE 0x1000
108 #define BCM43xx_SPROM_BOARDFLAGS2 0x1c
109 #define BCM43xx_SPROM_IL0MACADDR 0x24
110 #define BCM43xx_SPROM_ET0MACADDR 0x27
111 #define BCM43xx_SPROM_ET1MACADDR 0x2a
112 #define BCM43xx_SPROM_ETHPHY 0x2d
113 #define BCM43xx_SPROM_BOARDREV 0x2e
114 #define BCM43xx_SPROM_PA0B0 0x2f
115 #define BCM43xx_SPROM_PA0B1 0x30
116 #define BCM43xx_SPROM_PA0B2 0x31
117 #define BCM43xx_SPROM_WL0GPIO0 0x32
118 #define BCM43xx_SPROM_WL0GPIO2 0x33
119 #define BCM43xx_SPROM_MAXPWR 0x34
120 #define BCM43xx_SPROM_PA1B0 0x35
121 #define BCM43xx_SPROM_PA1B1 0x36
122 #define BCM43xx_SPROM_PA1B2 0x37
123 #define BCM43xx_SPROM_IDL_TSSI_TGT 0x38
124 #define BCM43xx_SPROM_BOARDFLAGS 0x39
125 #define BCM43xx_SPROM_ANTENNA_GAIN 0x3a
126 #define BCM43xx_SPROM_VERSION 0x3f
128 /* BCM43xx_SPROM_BOARDFLAGS values */
129 #define BCM43xx_BFL_BTCOEXIST 0x0001 /* implements Bluetooth coexistance */
130 #define BCM43xx_BFL_PACTRL 0x0002 /* GPIO 9 controlling the PA */
131 #define BCM43xx_BFL_AIRLINEMODE 0x0004 /* implements GPIO 13 radio disable indication */
132 #define BCM43xx_BFL_RSSI 0x0008 /* software calculates nrssi slope. */
133 #define BCM43xx_BFL_ENETSPI 0x0010 /* has ephy roboswitch spi */
134 #define BCM43xx_BFL_XTAL_NOSLOW 0x0020 /* no slow clock available */
135 #define BCM43xx_BFL_CCKHIPWR 0x0040 /* can do high power CCK transmission */
136 #define BCM43xx_BFL_ENETADM 0x0080 /* has ADMtek switch */
137 #define BCM43xx_BFL_ENETVLAN 0x0100 /* can do vlan */
138 #define BCM43xx_BFL_AFTERBURNER 0x0200 /* supports Afterburner mode */
139 #define BCM43xx_BFL_NOPCI 0x0400 /* leaves PCI floating */
140 #define BCM43xx_BFL_FEM 0x0800 /* supports the Front End Module */
141 #define BCM43xx_BFL_EXTLNA 0x1000 /* has an external LNA */
142 #define BCM43xx_BFL_HGPA 0x2000 /* had high gain PA */
143 #define BCM43xx_BFL_BTCMOD 0x4000 /* BFL_BTCOEXIST is given in alternate GPIOs */
144 #define BCM43xx_BFL_ALTIQ 0x8000 /* alternate I/Q settings */
146 /* GPIO register offset, in both ChipCommon and PCI core. */
147 #define BCM43xx_GPIO_CONTROL 0x6c
150 #define BCM43xx_SHM_SHARED 0x0001
151 #define BCM43xx_SHM_WIRELESS 0x0002
152 #define BCM43xx_SHM_PCM 0x0003
153 #define BCM43xx_SHM_HWMAC 0x0004
154 #define BCM43xx_SHM_UCODE 0x0300
156 /* MacFilter offsets. */
157 #define BCM43xx_MACFILTER_SELF 0x0000
158 #define BCM43xx_MACFILTER_ASSOC 0x0003
160 /* Chipcommon registers. */
161 #define BCM43xx_CHIPCOMMON_CAPABILITIES 0x04
162 #define BCM43xx_CHIPCOMMON_CTL 0x28
163 #define BCM43xx_CHIPCOMMON_PLLONDELAY 0xB0
164 #define BCM43xx_CHIPCOMMON_FREFSELDELAY 0xB4
165 #define BCM43xx_CHIPCOMMON_SLOWCLKCTL 0xB8
166 #define BCM43xx_CHIPCOMMON_SYSCLKCTL 0xC0
168 /* PCI core specific registers. */
169 #define BCM43xx_PCICORE_BCAST_ADDR 0x50
170 #define BCM43xx_PCICORE_BCAST_DATA 0x54
171 #define BCM43xx_PCICORE_SBTOPCI2 0x108
173 /* SBTOPCI2 values. */
174 #define BCM43xx_SBTOPCI2_PREFETCH 0x4
175 #define BCM43xx_SBTOPCI2_BURST 0x8
176 #define BCM43xx_SBTOPCI2_MEMREAD_MULTI 0x20
178 /* PCI-E core registers. */
179 #define BCM43xx_PCIECORE_REG_ADDR 0x0130
180 #define BCM43xx_PCIECORE_REG_DATA 0x0134
181 #define BCM43xx_PCIECORE_MDIO_CTL 0x0128
182 #define BCM43xx_PCIECORE_MDIO_DATA 0x012C
184 /* PCI-E registers. */
185 #define BCM43xx_PCIE_TLP_WORKAROUND 0x0004
186 #define BCM43xx_PCIE_DLLP_LINKCTL 0x0100
188 /* PCI-E MDIO bits. */
189 #define BCM43xx_PCIE_MDIO_ST 0x40000000
190 #define BCM43xx_PCIE_MDIO_WT 0x10000000
191 #define BCM43xx_PCIE_MDIO_DEV 22
192 #define BCM43xx_PCIE_MDIO_REG 18
193 #define BCM43xx_PCIE_MDIO_TA 0x00020000
194 #define BCM43xx_PCIE_MDIO_TC 0x0100
197 #define BCM43xx_MDIO_SERDES_RX 0x1F
199 /* SERDES RX registers. */
200 #define BCM43xx_SERDES_RXTIMER 0x2
201 #define BCM43xx_SERDES_CDR 0x6
202 #define BCM43xx_SERDES_CDR_BW 0x7
204 /* Chipcommon capabilities. */
205 #define BCM43xx_CAPABILITIES_PCTL 0x00040000
206 #define BCM43xx_CAPABILITIES_PLLMASK 0x00030000
207 #define BCM43xx_CAPABILITIES_PLLSHIFT 16
208 #define BCM43xx_CAPABILITIES_FLASHMASK 0x00000700
209 #define BCM43xx_CAPABILITIES_FLASHSHIFT 8
210 #define BCM43xx_CAPABILITIES_EXTBUSPRESENT 0x00000040
211 #define BCM43xx_CAPABILITIES_UARTGPIO 0x00000020
212 #define BCM43xx_CAPABILITIES_UARTCLOCKMASK 0x00000018
213 #define BCM43xx_CAPABILITIES_UARTCLOCKSHIFT 3
214 #define BCM43xx_CAPABILITIES_MIPSBIGENDIAN 0x00000004
215 #define BCM43xx_CAPABILITIES_NRUARTSMASK 0x00000003
218 #define BCM43xx_PCTL_IN 0xB0
219 #define BCM43xx_PCTL_OUT 0xB4
220 #define BCM43xx_PCTL_OUTENABLE 0xB8
221 #define BCM43xx_PCTL_XTAL_POWERUP 0x40
222 #define BCM43xx_PCTL_PLL_POWERDOWN 0x80
224 /* PowerControl Clock Modes */
225 #define BCM43xx_PCTL_CLK_FAST 0x00
226 #define BCM43xx_PCTL_CLK_SLOW 0x01
227 #define BCM43xx_PCTL_CLK_DYNAMIC 0x02
229 #define BCM43xx_PCTL_FORCE_SLOW 0x0800
230 #define BCM43xx_PCTL_FORCE_PLL 0x1000
231 #define BCM43xx_PCTL_DYN_XTAL 0x2000
234 #define BCM43xx_COREID_CHIPCOMMON 0x800
235 #define BCM43xx_COREID_ILINE20 0x801
236 #define BCM43xx_COREID_SDRAM 0x803
237 #define BCM43xx_COREID_PCI 0x804
238 #define BCM43xx_COREID_MIPS 0x805
239 #define BCM43xx_COREID_ETHERNET 0x806
240 #define BCM43xx_COREID_V90 0x807
241 #define BCM43xx_COREID_USB11_HOSTDEV 0x80a
242 #define BCM43xx_COREID_IPSEC 0x80b
243 #define BCM43xx_COREID_PCMCIA 0x80d
244 #define BCM43xx_COREID_EXT_IF 0x80f
245 #define BCM43xx_COREID_80211 0x812
246 #define BCM43xx_COREID_MIPS_3302 0x816
247 #define BCM43xx_COREID_USB11_HOST 0x817
248 #define BCM43xx_COREID_USB11_DEV 0x818
249 #define BCM43xx_COREID_USB20_HOST 0x819
250 #define BCM43xx_COREID_USB20_DEV 0x81a
251 #define BCM43xx_COREID_SDIO_HOST 0x81b
252 #define BCM43xx_COREID_PCIE 0x820
254 /* Core Information Registers */
255 #define BCM43xx_CIR_BASE 0xf00
256 #define BCM43xx_CIR_SBTPSFLAG (BCM43xx_CIR_BASE + 0x18)
257 #define BCM43xx_CIR_SBIMSTATE (BCM43xx_CIR_BASE + 0x90)
258 #define BCM43xx_CIR_SBINTVEC (BCM43xx_CIR_BASE + 0x94)
259 #define BCM43xx_CIR_SBTMSTATELOW (BCM43xx_CIR_BASE + 0x98)
260 #define BCM43xx_CIR_SBTMSTATEHIGH (BCM43xx_CIR_BASE + 0x9c)
261 #define BCM43xx_CIR_SBIMCONFIGLOW (BCM43xx_CIR_BASE + 0xa8)
262 #define BCM43xx_CIR_SB_ID_HI (BCM43xx_CIR_BASE + 0xfc)
264 /* Mask to get the Backplane Flag Number from SBTPSFLAG. */
265 #define BCM43xx_BACKPLANE_FLAG_NR_MASK 0x3f
267 /* SBIMCONFIGLOW values/masks. */
268 #define BCM43xx_SBIMCONFIGLOW_SERVICE_TOUT_MASK 0x00000007
269 #define BCM43xx_SBIMCONFIGLOW_SERVICE_TOUT_SHIFT 0
270 #define BCM43xx_SBIMCONFIGLOW_REQUEST_TOUT_MASK 0x00000070
271 #define BCM43xx_SBIMCONFIGLOW_REQUEST_TOUT_SHIFT 4
272 #define BCM43xx_SBIMCONFIGLOW_CONNID_MASK 0x00ff0000
273 #define BCM43xx_SBIMCONFIGLOW_CONNID_SHIFT 16
275 /* sbtmstatelow state flags */
276 #define BCM43xx_SBTMSTATELOW_RESET 0x01
277 #define BCM43xx_SBTMSTATELOW_REJECT 0x02
278 #define BCM43xx_SBTMSTATELOW_CLOCK 0x10000
279 #define BCM43xx_SBTMSTATELOW_FORCE_GATE_CLOCK 0x20000
281 /* sbtmstatehigh state flags */
282 #define BCM43xx_SBTMSTATEHIGH_SERROR 0x00000001
283 #define BCM43xx_SBTMSTATEHIGH_BUSY 0x00000004
284 #define BCM43xx_SBTMSTATEHIGH_TIMEOUT 0x00000020
285 #define BCM43xx_SBTMSTATEHIGH_COREFLAGS 0x1FFF0000
286 #define BCM43xx_SBTMSTATEHIGH_DMA64BIT 0x10000000
287 #define BCM43xx_SBTMSTATEHIGH_GATEDCLK 0x20000000
288 #define BCM43xx_SBTMSTATEHIGH_BISTFAILED 0x40000000
289 #define BCM43xx_SBTMSTATEHIGH_BISTCOMPLETE 0x80000000
291 /* sbimstate flags */
292 #define BCM43xx_SBIMSTATE_IB_ERROR 0x20000
293 #define BCM43xx_SBIMSTATE_TIMEOUT 0x40000
296 #define BCM43xx_PHYTYPE_A 0x00
297 #define BCM43xx_PHYTYPE_B 0x01
298 #define BCM43xx_PHYTYPE_G 0x02
301 #define BCM43xx_PHY_ILT_A_CTRL 0x0072
302 #define BCM43xx_PHY_ILT_A_DATA1 0x0073
303 #define BCM43xx_PHY_ILT_A_DATA2 0x0074
304 #define BCM43xx_PHY_G_LO_CONTROL 0x0810
305 #define BCM43xx_PHY_ILT_G_CTRL 0x0472
306 #define BCM43xx_PHY_ILT_G_DATA1 0x0473
307 #define BCM43xx_PHY_ILT_G_DATA2 0x0474
308 #define BCM43xx_PHY_A_PCTL 0x007B
309 #define BCM43xx_PHY_G_PCTL 0x0029
310 #define BCM43xx_PHY_A_CRS 0x0029
311 #define BCM43xx_PHY_RADIO_BITFIELD 0x0401
312 #define BCM43xx_PHY_G_CRS 0x0429
313 #define BCM43xx_PHY_NRSSILT_CTRL 0x0803
314 #define BCM43xx_PHY_NRSSILT_DATA 0x0804
317 #define BCM43xx_RADIOCTL_ID 0x01
320 #define BCM43xx_SBF_MAC_ENABLED 0x00000001
321 #define BCM43xx_SBF_2 0x00000002 /*FIXME: fix name*/
322 #define BCM43xx_SBF_CORE_READY 0x00000004
323 #define BCM43xx_SBF_400 0x00000400 /*FIXME: fix name*/
324 #define BCM43xx_SBF_4000 0x00004000 /*FIXME: fix name*/
325 #define BCM43xx_SBF_8000 0x00008000 /*FIXME: fix name*/
326 #define BCM43xx_SBF_XFER_REG_BYTESWAP 0x00010000
327 #define BCM43xx_SBF_MODE_NOTADHOC 0x00020000
328 #define BCM43xx_SBF_MODE_AP 0x00040000
329 #define BCM43xx_SBF_RADIOREG_LOCK 0x00080000
330 #define BCM43xx_SBF_MODE_MONITOR 0x00400000
331 #define BCM43xx_SBF_MODE_PROMISC 0x01000000
332 #define BCM43xx_SBF_PS1 0x02000000
333 #define BCM43xx_SBF_PS2 0x04000000
334 #define BCM43xx_SBF_NO_SSID_BCAST 0x08000000
335 #define BCM43xx_SBF_TIME_UPDATE 0x10000000
336 #define BCM43xx_SBF_MODE_G 0x80000000
339 #define BCM43xx_UCODE_REVISION 0x0000
340 #define BCM43xx_UCODE_PATCHLEVEL 0x0002
341 #define BCM43xx_UCODE_DATE 0x0004
342 #define BCM43xx_UCODE_TIME 0x0006
343 #define BCM43xx_UCODE_STATUS 0x0040
345 /* MicrocodeFlagsBitfield (addr + lo-word values?)*/
346 #define BCM43xx_UCODEFLAGS_OFFSET 0x005E
348 #define BCM43xx_UCODEFLAG_AUTODIV 0x0001
349 #define BCM43xx_UCODEFLAG_UNKBGPHY 0x0002
350 #define BCM43xx_UCODEFLAG_UNKBPHY 0x0004
351 #define BCM43xx_UCODEFLAG_UNKGPHY 0x0020
352 #define BCM43xx_UCODEFLAG_UNKPACTRL 0x0040
353 #define BCM43xx_UCODEFLAG_JAPAN 0x0080
355 /* Hardware Radio Enable masks */
356 #define BCM43xx_MMIO_RADIO_HWENABLED_HI_MASK (1 << 16)
357 #define BCM43xx_MMIO_RADIO_HWENABLED_LO_MASK (1 << 4)
359 /* Generic-Interrupt reasons. */
360 #define BCM43xx_IRQ_READY (1 << 0)
361 #define BCM43xx_IRQ_BEACON (1 << 1)
362 #define BCM43xx_IRQ_PS (1 << 2)
363 #define BCM43xx_IRQ_REG124 (1 << 5)
364 #define BCM43xx_IRQ_PMQ (1 << 6)
365 #define BCM43xx_IRQ_PIO_WORKAROUND (1 << 8)
366 #define BCM43xx_IRQ_XMIT_ERROR (1 << 11)
367 #define BCM43xx_IRQ_RX (1 << 15)
368 #define BCM43xx_IRQ_SCAN (1 << 16)
369 #define BCM43xx_IRQ_NOISE (1 << 18)
370 #define BCM43xx_IRQ_XMIT_STATUS (1 << 29)
372 #define BCM43xx_IRQ_ALL 0xffffffff
373 #define BCM43xx_IRQ_INITIAL (BCM43xx_IRQ_PS | \
374 BCM43xx_IRQ_REG124 | \
376 BCM43xx_IRQ_XMIT_ERROR | \
379 BCM43xx_IRQ_NOISE | \
380 BCM43xx_IRQ_XMIT_STATUS)
383 /* Initial default iw_mode */
384 #define BCM43xx_INITIAL_IWMODE IW_MODE_INFRA
387 #define BCM43xx_BUSTYPE_PCI 0
388 /* Bus type Silicone Backplane Bus. */
389 #define BCM43xx_BUSTYPE_SB 1
390 /* Bus type PCMCIA. */
391 #define BCM43xx_BUSTYPE_PCMCIA 2
393 /* Threshold values. */
394 #define BCM43xx_MIN_RTS_THRESHOLD 1U
395 #define BCM43xx_MAX_RTS_THRESHOLD 2304U
396 #define BCM43xx_DEFAULT_RTS_THRESHOLD BCM43xx_MAX_RTS_THRESHOLD
398 #define BCM43xx_DEFAULT_SHORT_RETRY_LIMIT 7
399 #define BCM43xx_DEFAULT_LONG_RETRY_LIMIT 4
401 /* FIXME: the next line is a guess as to what the maximum RSSI value might be */
402 #define RX_RSSI_MAX 60
404 /* Max size of a security key */
405 #define BCM43xx_SEC_KEYSIZE 16
406 /* Security algorithms. */
408 BCM43xx_SEC_ALGO_NONE = 0, /* unencrypted, as of TX header. */
409 BCM43xx_SEC_ALGO_WEP,
410 BCM43xx_SEC_ALGO_UNKNOWN,
411 BCM43xx_SEC_ALGO_AES,
412 BCM43xx_SEC_ALGO_WEP104,
413 BCM43xx_SEC_ALGO_TKIP,
419 #ifdef CONFIG_BCM43XX_DEBUG
420 #define assert(expr) \
422 if (unlikely(!(expr))) { \
423 printk(KERN_ERR PFX "ASSERTION FAILED (%s) at: %s:%d:%s()\n", \
424 #expr, __FILE__, __LINE__, __FUNCTION__); \
428 #define assert(expr) do { /* nothing */ } while (0)
431 /* rate limited printk(). */
435 #define printkl(f, x...) do { if (printk_ratelimit()) printk(f ,##x); } while (0)
436 /* rate limited printk() for debugging */
440 #ifdef CONFIG_BCM43XX_DEBUG
441 # define dprintkl printkl
443 # define dprintkl(f, x...) do { /* nothing */ } while (0)
446 /* Helper macro for if branches.
447 * An if branch marked with this macro is only taken in DEBUG mode.
449 * if (DEBUG_ONLY(foo == bar)) {
452 * In DEBUG mode, the branch will be taken if (foo == bar).
453 * In non-DEBUG mode, the branch will never be taken.
458 #ifdef CONFIG_BCM43XX_DEBUG
459 # define DEBUG_ONLY(x) (x)
461 # define DEBUG_ONLY(x) 0
464 /* debugging printk() */
468 #ifdef CONFIG_BCM43XX_DEBUG
469 # define dprintk(f, x...) do { printk(f ,##x); } while (0)
471 # define dprintk(f, x...) do { /* nothing */ } while (0)
477 struct bcm43xx_dmaring;
478 struct bcm43xx_pioqueue;
480 struct bcm43xx_initval {
484 } __attribute__((__packed__));
486 /* Values for bcm430x_sprominfo.locale */
488 BCM43xx_LOCALE_WORLD = 0,
489 BCM43xx_LOCALE_THAILAND,
490 BCM43xx_LOCALE_ISRAEL,
491 BCM43xx_LOCALE_JORDAN,
492 BCM43xx_LOCALE_CHINA,
493 BCM43xx_LOCALE_JAPAN,
494 BCM43xx_LOCALE_USA_CANADA_ANZ,
495 BCM43xx_LOCALE_EUROPE,
496 BCM43xx_LOCALE_USA_LOW,
497 BCM43xx_LOCALE_JAPAN_HIGH,
502 #define BCM43xx_SPROM_SIZE 64 /* in 16-bit words. */
503 struct bcm43xx_sprominfo {
526 u8 idle_tssi_tgt_aphy;
527 u8 idle_tssi_tgt_bgphy;
529 u16 antennagain_aphy;
530 u16 antennagain_bgphy;
533 /* Value pair to measure the LocalOscillator. */
534 struct bcm43xx_lopair {
539 #define BCM43xx_LO_COUNT (14*4)
541 struct bcm43xx_phyinfo {
546 u16 antenna_diversity;
552 is_locked:1, /* used in bcm43xx_phy_{un}lock() */
553 dyn_tssi_tbl:1; /* used in bcm43xx_phy_init_tssi2dbm_table() */
554 /* LO Measurement Data.
555 * Use bcm43xx_get_lopair() to get a value.
557 struct bcm43xx_lopair *_lo_pairs;
559 /* TSSI to dBm table in use */
561 /* idle TSSI value */
564 /* Values from bcm43xx_calc_loopback_gain() */
565 u16 loopback_gain[2];
567 /* PHY lock for core.rev < 3
568 * This lock is only used by bcm43xx_phy_{un}lock()
573 const struct firmware *ucode;
574 const struct firmware *pcm;
575 const struct firmware *initvals0;
576 const struct firmware *initvals1;
580 struct bcm43xx_radioinfo {
585 /* Desired TX power in dBm Q5.2 */
587 /* TX Power control values. */
602 /* Current Interference Mitigation mode */
604 /* Stack of saved values from the Interference Mitigation code.
605 * Each value in the stack is layed out as follows:
607 * bit 12-15: register ID
609 * register ID is: 0x1 PHY, 0x2 Radio, 0x3 ILT
611 #define BCM43xx_INTERFSTACK_SIZE 26
612 u32 interfstack[BCM43xx_INTERFSTACK_SIZE];
614 /* Saved values from the NRSSI Slope calculation */
617 /* In memory nrssi lookup table. */
620 /* current channel */
629 /* ACI (adjacent channel interference) flags. */
631 aci_wlan_automatic:1,
635 /* Data structures for DMA transmission, per 80211 core. */
637 struct bcm43xx_dmaring *tx_ring0;
638 struct bcm43xx_dmaring *tx_ring1;
639 struct bcm43xx_dmaring *tx_ring2;
640 struct bcm43xx_dmaring *tx_ring3;
641 struct bcm43xx_dmaring *tx_ring4;
642 struct bcm43xx_dmaring *tx_ring5;
644 struct bcm43xx_dmaring *rx_ring0;
645 struct bcm43xx_dmaring *rx_ring3; /* only available on core.rev < 5 */
648 /* Data structures for PIO transmission, per 80211 core. */
650 struct bcm43xx_pioqueue *queue0;
651 struct bcm43xx_pioqueue *queue1;
652 struct bcm43xx_pioqueue *queue2;
653 struct bcm43xx_pioqueue *queue3;
656 #define BCM43xx_MAX_80211_CORES 2
658 #ifdef CONFIG_BCM947XX
659 #define core_offset(bcm) (bcm)->current_core_offset
661 #define core_offset(bcm) 0
664 /* Generic information about a core. */
665 struct bcm43xx_coreinfo {
669 /** core_rev revision number */
671 /** Index number for _switch_core() */
673 /** core_id ID number */
675 /** Core-specific data. */
679 /* Additional information for each 80211 core. */
680 struct bcm43xx_coreinfo_80211 {
682 struct bcm43xx_phyinfo phy;
684 struct bcm43xx_radioinfo radio;
687 struct bcm43xx_dma dma;
689 struct bcm43xx_pio pio;
693 /* Context information for a noise calculation (Link Quality). */
694 struct bcm43xx_noise_calculation {
695 struct bcm43xx_coreinfo *core_at_start;
697 u8 calculation_running:1;
702 struct bcm43xx_stats {
704 struct iw_statistics wstats;
705 /* Store the last TX/RX times here for updating the leds. */
706 unsigned long last_tx;
707 unsigned long last_rx;
715 /* Driver initialization status. */
717 BCM43xx_STAT_UNINIT, /* Uninitialized. */
718 BCM43xx_STAT_INITIALIZING, /* init_board() in progress. */
719 BCM43xx_STAT_INITIALIZED, /* Fully operational. */
720 BCM43xx_STAT_SHUTTINGDOWN, /* free_board() in progress. */
721 BCM43xx_STAT_RESTARTING, /* controller_restart() called. */
723 #define bcm43xx_status(bcm) atomic_read(&(bcm)->init_status)
724 #define bcm43xx_set_status(bcm, stat) do { \
725 atomic_set(&(bcm)->init_status, (stat)); \
729 /* *** THEORY OF LOCKING ***
731 * We have two different locks in the bcm43xx driver.
732 * => bcm->mutex: General sleeping mutex. Protects struct bcm43xx_private
733 * and the device registers. This mutex does _not_ protect
734 * against concurrency from the IRQ handler.
735 * => bcm->irq_lock: IRQ spinlock. Protects against IRQ handler concurrency.
737 * Please note that, if you only take the irq_lock, you are not protected
738 * against concurrency from the periodic work handlers.
739 * Most times you want to take _both_ locks.
742 struct bcm43xx_private {
743 struct ieee80211_device *ieee;
744 struct ieee80211softmac_device *softmac;
746 struct net_device *net_dev;
747 struct pci_dev *pci_dev;
750 void __iomem *mmio_addr;
755 /* Driver initialization status BCM43xx_STAT_*** */
756 atomic_t init_status;
758 u16 was_initialized:1, /* for PCI suspend/resume. */
759 __using_pio:1, /* Internal, use bcm43xx_using_pio(). */
760 bad_frames_preempt:1, /* Use "Bad Frames Preemption" (default off) */
761 reg124_set_0x4:1, /* Some variable to keep track of IRQ stuff. */
762 short_preamble:1, /* TRUE, if short preamble is enabled. */
763 firmware_norelease:1, /* Do not release the firmware. Used on suspend. */
764 radio_hw_enable:1; /* TRUE if radio is hardware enabled */
766 struct bcm43xx_stats stats;
768 /* Bus type we are connected to.
769 * This is currently always BCM43xx_BUSTYPE_PCI
782 struct bcm43xx_sprominfo sprom;
783 #define BCM43xx_NR_LEDS 4
784 struct bcm43xx_led leds[BCM43xx_NR_LEDS];
785 spinlock_t leds_lock;
787 /* The currently active core. */
788 struct bcm43xx_coreinfo *current_core;
789 #ifdef CONFIG_BCM947XX
790 /** current core memory offset */
791 u32 current_core_offset;
793 struct bcm43xx_coreinfo *active_80211_core;
794 /* coreinfo structs for all possible cores follow.
795 * Note that a core might not exist.
796 * So check the coreinfo flags before using it.
798 struct bcm43xx_coreinfo core_chipcommon;
799 struct bcm43xx_coreinfo core_pci;
800 struct bcm43xx_coreinfo core_80211[ BCM43xx_MAX_80211_CORES ];
801 /* Additional information, specific to the 80211 cores. */
802 struct bcm43xx_coreinfo_80211 core_80211_ext[ BCM43xx_MAX_80211_CORES ];
803 /* Number of available 80211 cores. */
804 int nr_80211_available;
806 u32 chipcommon_capabilities;
808 /* Reason code of the last interrupt. */
811 /* saved irq enable/disable state bitfield. */
813 /* Link Quality calculation context. */
814 struct bcm43xx_noise_calculation noisecalc;
815 /* if > 0 MAC is suspended. if == 0 MAC is enabled. */
818 /* Threshold values. */
819 //TODO: The RTS thr has to be _used_. Currently, it is only set via WX.
822 /* Interrupt Service Routine tasklet (bottom-half) */
823 struct tasklet_struct isr_tasklet;
826 struct delayed_work periodic_work;
827 unsigned int periodic_state;
829 struct work_struct restart_work;
831 /* Informational stuff. */
832 char nick[IW_ESSID_MAX_SIZE + 1];
834 /* encryption/decryption */
836 struct bcm43xx_key key[54];
839 /* Random Number Generator. */
841 char rng_name[20 + 1];
843 /* Debugging stuff follows. */
844 #ifdef CONFIG_BCM43XX_DEBUG
845 struct bcm43xx_dfsentry *dfsentry;
851 struct bcm43xx_private * bcm43xx_priv(struct net_device *dev)
853 return ieee80211softmac_priv(dev);
859 struct bcm43xx_private * dev_to_bcm(struct device *dev)
861 struct net_device *net_dev;
862 struct bcm43xx_private *bcm;
864 net_dev = dev_get_drvdata(dev);
865 bcm = bcm43xx_priv(net_dev);
871 /* Helper function, which returns a boolean.
872 * TRUE, if PIO is used; FALSE, if DMA is used.
874 #if defined(CONFIG_BCM43XX_DMA) && defined(CONFIG_BCM43XX_PIO)
876 int bcm43xx_using_pio(struct bcm43xx_private *bcm)
878 return bcm->__using_pio;
880 #elif defined(CONFIG_BCM43XX_DMA)
882 int bcm43xx_using_pio(struct bcm43xx_private *bcm)
886 #elif defined(CONFIG_BCM43XX_PIO)
888 int bcm43xx_using_pio(struct bcm43xx_private *bcm)
893 # error "Using neither DMA nor PIO? Confused..."
896 /* Helper functions to access data structures private to the 80211 cores.
897 * Note that we _must_ have an 80211 core mapped when calling
898 * any of these functions.
901 struct bcm43xx_coreinfo_80211 *
902 bcm43xx_current_80211_priv(struct bcm43xx_private *bcm)
904 assert(bcm->current_core->id == BCM43xx_COREID_80211);
905 return bcm->current_core->priv;
908 struct bcm43xx_pio * bcm43xx_current_pio(struct bcm43xx_private *bcm)
910 assert(bcm43xx_using_pio(bcm));
911 return &(bcm43xx_current_80211_priv(bcm)->pio);
914 struct bcm43xx_dma * bcm43xx_current_dma(struct bcm43xx_private *bcm)
916 assert(!bcm43xx_using_pio(bcm));
917 return &(bcm43xx_current_80211_priv(bcm)->dma);
920 struct bcm43xx_phyinfo * bcm43xx_current_phy(struct bcm43xx_private *bcm)
922 return &(bcm43xx_current_80211_priv(bcm)->phy);
925 struct bcm43xx_radioinfo * bcm43xx_current_radio(struct bcm43xx_private *bcm)
927 return &(bcm43xx_current_80211_priv(bcm)->radio);
932 struct bcm43xx_lopair * bcm43xx_get_lopair(struct bcm43xx_phyinfo *phy,
933 u16 radio_attenuation,
934 u16 baseband_attenuation)
936 return phy->_lo_pairs + (radio_attenuation + 14 * (baseband_attenuation / 2));
941 u16 bcm43xx_read16(struct bcm43xx_private *bcm, u16 offset)
943 return ioread16(bcm->mmio_addr + core_offset(bcm) + offset);
947 void bcm43xx_write16(struct bcm43xx_private *bcm, u16 offset, u16 value)
949 iowrite16(value, bcm->mmio_addr + core_offset(bcm) + offset);
953 u32 bcm43xx_read32(struct bcm43xx_private *bcm, u16 offset)
955 return ioread32(bcm->mmio_addr + core_offset(bcm) + offset);
959 void bcm43xx_write32(struct bcm43xx_private *bcm, u16 offset, u32 value)
961 iowrite32(value, bcm->mmio_addr + core_offset(bcm) + offset);
965 int bcm43xx_pci_read_config16(struct bcm43xx_private *bcm, int offset, u16 *value)
967 return pci_read_config_word(bcm->pci_dev, offset, value);
971 int bcm43xx_pci_read_config32(struct bcm43xx_private *bcm, int offset, u32 *value)
973 return pci_read_config_dword(bcm->pci_dev, offset, value);
977 int bcm43xx_pci_write_config16(struct bcm43xx_private *bcm, int offset, u16 value)
979 return pci_write_config_word(bcm->pci_dev, offset, value);
983 int bcm43xx_pci_write_config32(struct bcm43xx_private *bcm, int offset, u32 value)
985 return pci_write_config_dword(bcm->pci_dev, offset, value);
988 /** Limit a value between two limits */
992 #define limit_value(value, min, max) \
994 typeof(value) __value = (value); \
995 typeof(value) __min = (min); \
996 typeof(value) __max = (max); \
997 if (__value < __min) \
999 else if (__value > __max) \
1004 /** Helpers to print MAC addresses. */
1005 #define BCM43xx_MACFMT "%02x:%02x:%02x:%02x:%02x:%02x"
1006 #define BCM43xx_MACARG(x) ((u8*)(x))[0], ((u8*)(x))[1], \
1007 ((u8*)(x))[2], ((u8*)(x))[3], \
1008 ((u8*)(x))[4], ((u8*)(x))[5]
1010 #endif /* BCM43xx_H_ */