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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. */ | |
280 | enum { | |
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 | ||
344 | struct net_device; | |
345 | struct pci_dev; | |
346 | struct b43legacy_dmaring; | |
347 | struct 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' | |
353 | struct 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 | |
367 | struct 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. */ | |
382 | struct b43legacy_lopair { | |
383 | s8 low; | |
384 | s8 high; | |
385 | u8 used:1; | |
386 | }; | |
387 | #define B43legacy_LO_COUNT (14*4) | |
388 | ||
389 | struct 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. */ | |
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; | |
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. */ | |
528 | struct 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). */ | |
536 | struct b43legacy_noise_calculation { | |
537 | u8 channel_at_start; | |
538 | bool calculation_running; | |
539 | u8 nr_samples; | |
540 | s8 samples[8][4]; | |
541 | }; | |
542 | ||
543 | struct 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 | ||
550 | struct b43legacy_key { | |
551 | void *keyconf; | |
552 | bool enabled; | |
553 | u8 algorithm; | |
554 | }; | |
555 | ||
556 | struct b43legacy_wldev; | |
557 | ||
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; | |
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. */ | |
605 | struct 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. */ | |
621 | enum { | |
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) */ | |
641 | struct 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 | ||
713 | static inline | |
714 | struct 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) | |
723 | static inline | |
724 | int b43legacy_using_pio(struct b43legacy_wldev *dev) | |
725 | { | |
726 | return dev->__using_pio; | |
727 | } | |
728 | #elif defined(CONFIG_B43LEGACY_DMA) | |
729 | static inline | |
730 | int b43legacy_using_pio(struct b43legacy_wldev *dev) | |
731 | { | |
732 | return 0; | |
733 | } | |
734 | #elif defined(CONFIG_B43LEGACY_PIO) | |
735 | static inline | |
736 | int 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 | ||
745 | static inline | |
746 | struct 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). */ | |
753 | static inline | |
754 | int 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 | ||
762 | static inline | |
763 | bool is_bcm_board_vendor(struct b43legacy_wldev *dev) | |
764 | { | |
765 | return (dev->dev->bus->boardinfo.vendor == PCI_VENDOR_ID_BROADCOM); | |
766 | } | |
767 | ||
768 | static inline | |
769 | u16 b43legacy_read16(struct b43legacy_wldev *dev, u16 offset) | |
770 | { | |
771 | return ssb_read16(dev->dev, offset); | |
772 | } | |
773 | ||
774 | static inline | |
775 | void b43legacy_write16(struct b43legacy_wldev *dev, u16 offset, u16 value) | |
776 | { | |
777 | ssb_write16(dev->dev, offset, value); | |
778 | } | |
779 | ||
780 | static inline | |
781 | u32 b43legacy_read32(struct b43legacy_wldev *dev, u16 offset) | |
782 | { | |
783 | return ssb_read32(dev->dev, offset); | |
784 | } | |
785 | ||
786 | static inline | |
787 | void b43legacy_write32(struct b43legacy_wldev *dev, u16 offset, u32 value) | |
788 | { | |
789 | ssb_write32(dev->dev, offset, value); | |
790 | } | |
791 | ||
792 | static inline | |
793 | struct 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 */ | |
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))); | |
810 | #if B43legacy_DEBUG | |
811 | void 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_ */ |