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e4d6b795 MB |
1 | #ifndef B43_H_ |
2 | #define B43_H_ | |
3 | ||
4 | #include <linux/kernel.h> | |
5 | #include <linux/spinlock.h> | |
6 | #include <linux/interrupt.h> | |
7 | #include <linux/hw_random.h> | |
8 | #include <linux/ssb/ssb.h> | |
9 | #include <net/mac80211.h> | |
10 | ||
11 | #include "debugfs.h" | |
12 | #include "leds.h" | |
8e9f7529 | 13 | #include "rfkill.h" |
e4d6b795 MB |
14 | #include "lo.h" |
15 | #include "phy.h" | |
16 | ||
17 | #ifdef CONFIG_B43_DEBUG | |
18 | # define B43_DEBUG 1 | |
19 | #else | |
20 | # define B43_DEBUG 0 | |
21 | #endif | |
22 | ||
23 | #define B43_RX_MAX_SSI 60 | |
24 | ||
25 | /* MMIO offsets */ | |
26 | #define B43_MMIO_DMA0_REASON 0x20 | |
27 | #define B43_MMIO_DMA0_IRQ_MASK 0x24 | |
28 | #define B43_MMIO_DMA1_REASON 0x28 | |
29 | #define B43_MMIO_DMA1_IRQ_MASK 0x2C | |
30 | #define B43_MMIO_DMA2_REASON 0x30 | |
31 | #define B43_MMIO_DMA2_IRQ_MASK 0x34 | |
32 | #define B43_MMIO_DMA3_REASON 0x38 | |
33 | #define B43_MMIO_DMA3_IRQ_MASK 0x3C | |
34 | #define B43_MMIO_DMA4_REASON 0x40 | |
35 | #define B43_MMIO_DMA4_IRQ_MASK 0x44 | |
36 | #define B43_MMIO_DMA5_REASON 0x48 | |
37 | #define B43_MMIO_DMA5_IRQ_MASK 0x4C | |
38 | #define B43_MMIO_MACCTL 0x120 | |
39 | #define B43_MMIO_STATUS2_BITFIELD 0x124 | |
40 | #define B43_MMIO_GEN_IRQ_REASON 0x128 | |
41 | #define B43_MMIO_GEN_IRQ_MASK 0x12C | |
42 | #define B43_MMIO_RAM_CONTROL 0x130 | |
43 | #define B43_MMIO_RAM_DATA 0x134 | |
44 | #define B43_MMIO_PS_STATUS 0x140 | |
45 | #define B43_MMIO_RADIO_HWENABLED_HI 0x158 | |
46 | #define B43_MMIO_SHM_CONTROL 0x160 | |
47 | #define B43_MMIO_SHM_DATA 0x164 | |
48 | #define B43_MMIO_SHM_DATA_UNALIGNED 0x166 | |
49 | #define B43_MMIO_XMITSTAT_0 0x170 | |
50 | #define B43_MMIO_XMITSTAT_1 0x174 | |
51 | #define B43_MMIO_REV3PLUS_TSF_LOW 0x180 /* core rev >= 3 only */ | |
52 | #define B43_MMIO_REV3PLUS_TSF_HIGH 0x184 /* core rev >= 3 only */ | |
f3dd3fcc MB |
53 | #define B43_MMIO_TSF_CFP_REP 0x188 |
54 | #define B43_MMIO_TSF_CFP_START 0x18C | |
55 | #define B43_MMIO_TSF_CFP_MAXDUR 0x190 | |
e4d6b795 MB |
56 | |
57 | /* 32-bit DMA */ | |
58 | #define B43_MMIO_DMA32_BASE0 0x200 | |
59 | #define B43_MMIO_DMA32_BASE1 0x220 | |
60 | #define B43_MMIO_DMA32_BASE2 0x240 | |
61 | #define B43_MMIO_DMA32_BASE3 0x260 | |
62 | #define B43_MMIO_DMA32_BASE4 0x280 | |
63 | #define B43_MMIO_DMA32_BASE5 0x2A0 | |
64 | /* 64-bit DMA */ | |
65 | #define B43_MMIO_DMA64_BASE0 0x200 | |
66 | #define B43_MMIO_DMA64_BASE1 0x240 | |
67 | #define B43_MMIO_DMA64_BASE2 0x280 | |
68 | #define B43_MMIO_DMA64_BASE3 0x2C0 | |
69 | #define B43_MMIO_DMA64_BASE4 0x300 | |
70 | #define B43_MMIO_DMA64_BASE5 0x340 | |
71 | /* PIO */ | |
72 | #define B43_MMIO_PIO1_BASE 0x300 | |
73 | #define B43_MMIO_PIO2_BASE 0x310 | |
74 | #define B43_MMIO_PIO3_BASE 0x320 | |
75 | #define B43_MMIO_PIO4_BASE 0x330 | |
76 | ||
77 | #define B43_MMIO_PHY_VER 0x3E0 | |
78 | #define B43_MMIO_PHY_RADIO 0x3E2 | |
79 | #define B43_MMIO_PHY0 0x3E6 | |
80 | #define B43_MMIO_ANTENNA 0x3E8 | |
81 | #define B43_MMIO_CHANNEL 0x3F0 | |
82 | #define B43_MMIO_CHANNEL_EXT 0x3F4 | |
83 | #define B43_MMIO_RADIO_CONTROL 0x3F6 | |
84 | #define B43_MMIO_RADIO_DATA_HIGH 0x3F8 | |
85 | #define B43_MMIO_RADIO_DATA_LOW 0x3FA | |
86 | #define B43_MMIO_PHY_CONTROL 0x3FC | |
87 | #define B43_MMIO_PHY_DATA 0x3FE | |
88 | #define B43_MMIO_MACFILTER_CONTROL 0x420 | |
89 | #define B43_MMIO_MACFILTER_DATA 0x422 | |
90 | #define B43_MMIO_RCMTA_COUNT 0x43C | |
91 | #define B43_MMIO_RADIO_HWENABLED_LO 0x49A | |
92 | #define B43_MMIO_GPIO_CONTROL 0x49C | |
93 | #define B43_MMIO_GPIO_MASK 0x49E | |
f3dd3fcc MB |
94 | #define B43_MMIO_TSF_CFP_START_LOW 0x604 |
95 | #define B43_MMIO_TSF_CFP_START_HIGH 0x606 | |
e4d6b795 MB |
96 | #define B43_MMIO_TSF_0 0x632 /* core rev < 3 only */ |
97 | #define B43_MMIO_TSF_1 0x634 /* core rev < 3 only */ | |
98 | #define B43_MMIO_TSF_2 0x636 /* core rev < 3 only */ | |
99 | #define B43_MMIO_TSF_3 0x638 /* core rev < 3 only */ | |
100 | #define B43_MMIO_RNG 0x65A | |
101 | #define B43_MMIO_POWERUP_DELAY 0x6A8 | |
102 | ||
103 | /* SPROM boardflags_lo values */ | |
104 | #define B43_BFL_BTCOEXIST 0x0001 /* implements Bluetooth coexistance */ | |
105 | #define B43_BFL_PACTRL 0x0002 /* GPIO 9 controlling the PA */ | |
106 | #define B43_BFL_AIRLINEMODE 0x0004 /* implements GPIO 13 radio disable indication */ | |
107 | #define B43_BFL_RSSI 0x0008 /* software calculates nrssi slope. */ | |
108 | #define B43_BFL_ENETSPI 0x0010 /* has ephy roboswitch spi */ | |
109 | #define B43_BFL_XTAL_NOSLOW 0x0020 /* no slow clock available */ | |
110 | #define B43_BFL_CCKHIPWR 0x0040 /* can do high power CCK transmission */ | |
111 | #define B43_BFL_ENETADM 0x0080 /* has ADMtek switch */ | |
112 | #define B43_BFL_ENETVLAN 0x0100 /* can do vlan */ | |
113 | #define B43_BFL_AFTERBURNER 0x0200 /* supports Afterburner mode */ | |
114 | #define B43_BFL_NOPCI 0x0400 /* leaves PCI floating */ | |
115 | #define B43_BFL_FEM 0x0800 /* supports the Front End Module */ | |
116 | #define B43_BFL_EXTLNA 0x1000 /* has an external LNA */ | |
117 | #define B43_BFL_HGPA 0x2000 /* had high gain PA */ | |
118 | #define B43_BFL_BTCMOD 0x4000 /* BFL_BTCOEXIST is given in alternate GPIOs */ | |
119 | #define B43_BFL_ALTIQ 0x8000 /* alternate I/Q settings */ | |
120 | ||
121 | /* GPIO register offset, in both ChipCommon and PCI core. */ | |
122 | #define B43_GPIO_CONTROL 0x6c | |
123 | ||
124 | /* SHM Routing */ | |
125 | enum { | |
126 | B43_SHM_UCODE, /* Microcode memory */ | |
127 | B43_SHM_SHARED, /* Shared memory */ | |
128 | B43_SHM_SCRATCH, /* Scratch memory */ | |
129 | B43_SHM_HW, /* Internal hardware register */ | |
130 | B43_SHM_RCMTA, /* Receive match transmitter address (rev >= 5 only) */ | |
131 | }; | |
132 | /* SHM Routing modifiers */ | |
133 | #define B43_SHM_AUTOINC_R 0x0200 /* Auto-increment address on read */ | |
134 | #define B43_SHM_AUTOINC_W 0x0100 /* Auto-increment address on write */ | |
135 | #define B43_SHM_AUTOINC_RW (B43_SHM_AUTOINC_R | \ | |
136 | B43_SHM_AUTOINC_W) | |
137 | ||
138 | /* Misc SHM_SHARED offsets */ | |
139 | #define B43_SHM_SH_WLCOREREV 0x0016 /* 802.11 core revision */ | |
140 | #define B43_SHM_SH_PCTLWDPOS 0x0008 | |
141 | #define B43_SHM_SH_RXPADOFF 0x0034 /* RX Padding data offset (PIO only) */ | |
142 | #define B43_SHM_SH_PHYVER 0x0050 /* PHY version */ | |
143 | #define B43_SHM_SH_PHYTYPE 0x0052 /* PHY type */ | |
144 | #define B43_SHM_SH_ANTSWAP 0x005C /* Antenna swap threshold */ | |
145 | #define B43_SHM_SH_HOSTFLO 0x005E /* Hostflags for ucode options (low) */ | |
146 | #define B43_SHM_SH_HOSTFHI 0x0060 /* Hostflags for ucode options (high) */ | |
147 | #define B43_SHM_SH_RFATT 0x0064 /* Current radio attenuation value */ | |
148 | #define B43_SHM_SH_RADAR 0x0066 /* Radar register */ | |
149 | #define B43_SHM_SH_PHYTXNOI 0x006E /* PHY noise directly after TX (lower 8bit only) */ | |
150 | #define B43_SHM_SH_RFRXSP1 0x0072 /* RF RX SP Register 1 */ | |
151 | #define B43_SHM_SH_CHAN 0x00A0 /* Current channel (low 8bit only) */ | |
152 | #define B43_SHM_SH_CHAN_5GHZ 0x0100 /* Bit set, if 5Ghz channel */ | |
153 | #define B43_SHM_SH_BCMCFIFOID 0x0108 /* Last posted cookie to the bcast/mcast FIFO */ | |
154 | /* SHM_SHARED TX FIFO variables */ | |
155 | #define B43_SHM_SH_SIZE01 0x0098 /* TX FIFO size for FIFO 0 (low) and 1 (high) */ | |
156 | #define B43_SHM_SH_SIZE23 0x009A /* TX FIFO size for FIFO 2 and 3 */ | |
157 | #define B43_SHM_SH_SIZE45 0x009C /* TX FIFO size for FIFO 4 and 5 */ | |
158 | #define B43_SHM_SH_SIZE67 0x009E /* TX FIFO size for FIFO 6 and 7 */ | |
159 | /* SHM_SHARED background noise */ | |
160 | #define B43_SHM_SH_JSSI0 0x0088 /* Measure JSSI 0 */ | |
161 | #define B43_SHM_SH_JSSI1 0x008A /* Measure JSSI 1 */ | |
162 | #define B43_SHM_SH_JSSIAUX 0x008C /* Measure JSSI AUX */ | |
163 | /* SHM_SHARED crypto engine */ | |
164 | #define B43_SHM_SH_DEFAULTIV 0x003C /* Default IV location */ | |
165 | #define B43_SHM_SH_NRRXTRANS 0x003E /* # of soft RX transmitter addresses (max 8) */ | |
166 | #define B43_SHM_SH_KTP 0x0056 /* Key table pointer */ | |
167 | #define B43_SHM_SH_TKIPTSCTTAK 0x0318 | |
168 | #define B43_SHM_SH_KEYIDXBLOCK 0x05D4 /* Key index/algorithm block (v4 firmware) */ | |
169 | #define B43_SHM_SH_PSM 0x05F4 /* PSM transmitter address match block (rev < 5) */ | |
170 | /* SHM_SHARED WME variables */ | |
171 | #define B43_SHM_SH_EDCFSTAT 0x000E /* EDCF status */ | |
172 | #define B43_SHM_SH_TXFCUR 0x0030 /* TXF current index */ | |
173 | #define B43_SHM_SH_EDCFQ 0x0240 /* EDCF Q info */ | |
174 | /* SHM_SHARED powersave mode related */ | |
175 | #define B43_SHM_SH_SLOTT 0x0010 /* Slot time */ | |
176 | #define B43_SHM_SH_DTIMPER 0x0012 /* DTIM period */ | |
177 | #define B43_SHM_SH_NOSLPZNATDTIM 0x004C /* NOSLPZNAT DTIM */ | |
178 | /* SHM_SHARED beacon variables */ | |
179 | #define B43_SHM_SH_BTL0 0x0018 /* Beacon template length 0 */ | |
180 | #define B43_SHM_SH_BTL1 0x001A /* Beacon template length 1 */ | |
181 | #define B43_SHM_SH_BTSFOFF 0x001C /* Beacon TSF offset */ | |
182 | #define B43_SHM_SH_TIMBPOS 0x001E /* TIM B position in beacon */ | |
183 | #define B43_SHM_SH_SFFBLIM 0x0044 /* Short frame fallback retry limit */ | |
184 | #define B43_SHM_SH_LFFBLIM 0x0046 /* Long frame fallback retry limit */ | |
185 | #define B43_SHM_SH_BEACPHYCTL 0x0054 /* Beacon PHY TX control word (see PHY TX control) */ | |
186 | /* SHM_SHARED ACK/CTS control */ | |
187 | #define B43_SHM_SH_ACKCTSPHYCTL 0x0022 /* ACK/CTS PHY control word (see PHY TX control) */ | |
188 | /* SHM_SHARED probe response variables */ | |
189 | #define B43_SHM_SH_PRSSID 0x0160 /* Probe Response SSID */ | |
190 | #define B43_SHM_SH_PRSSIDLEN 0x0048 /* Probe Response SSID length */ | |
191 | #define B43_SHM_SH_PRTLEN 0x004A /* Probe Response template length */ | |
192 | #define B43_SHM_SH_PRMAXTIME 0x0074 /* Probe Response max time */ | |
193 | #define B43_SHM_SH_PRPHYCTL 0x0188 /* Probe Response PHY TX control word */ | |
194 | /* SHM_SHARED rate tables */ | |
195 | #define B43_SHM_SH_OFDMDIRECT 0x01C0 /* Pointer to OFDM direct map */ | |
196 | #define B43_SHM_SH_OFDMBASIC 0x01E0 /* Pointer to OFDM basic rate map */ | |
197 | #define B43_SHM_SH_CCKDIRECT 0x0200 /* Pointer to CCK direct map */ | |
198 | #define B43_SHM_SH_CCKBASIC 0x0220 /* Pointer to CCK basic rate map */ | |
199 | /* SHM_SHARED microcode soft registers */ | |
200 | #define B43_SHM_SH_UCODEREV 0x0000 /* Microcode revision */ | |
201 | #define B43_SHM_SH_UCODEPATCH 0x0002 /* Microcode patchlevel */ | |
202 | #define B43_SHM_SH_UCODEDATE 0x0004 /* Microcode date */ | |
203 | #define B43_SHM_SH_UCODETIME 0x0006 /* Microcode time */ | |
204 | #define B43_SHM_SH_UCODESTAT 0x0040 /* Microcode debug status code */ | |
205 | #define B43_SHM_SH_UCODESTAT_INVALID 0 | |
206 | #define B43_SHM_SH_UCODESTAT_INIT 1 | |
207 | #define B43_SHM_SH_UCODESTAT_ACTIVE 2 | |
208 | #define B43_SHM_SH_UCODESTAT_SUSP 3 /* suspended */ | |
209 | #define B43_SHM_SH_UCODESTAT_SLEEP 4 /* asleep (PS) */ | |
210 | #define B43_SHM_SH_MAXBFRAMES 0x0080 /* Maximum number of frames in a burst */ | |
211 | #define B43_SHM_SH_SPUWKUP 0x0094 /* pre-wakeup for synth PU in us */ | |
212 | #define B43_SHM_SH_PRETBTT 0x0096 /* pre-TBTT in us */ | |
213 | ||
214 | /* SHM_SCRATCH offsets */ | |
215 | #define B43_SHM_SC_MINCONT 0x0003 /* Minimum contention window */ | |
216 | #define B43_SHM_SC_MAXCONT 0x0004 /* Maximum contention window */ | |
217 | #define B43_SHM_SC_CURCONT 0x0005 /* Current contention window */ | |
218 | #define B43_SHM_SC_SRLIMIT 0x0006 /* Short retry count limit */ | |
219 | #define B43_SHM_SC_LRLIMIT 0x0007 /* Long retry count limit */ | |
220 | #define B43_SHM_SC_DTIMC 0x0008 /* Current DTIM count */ | |
221 | #define B43_SHM_SC_BTL0LEN 0x0015 /* Beacon 0 template length */ | |
222 | #define B43_SHM_SC_BTL1LEN 0x0016 /* Beacon 1 template length */ | |
223 | #define B43_SHM_SC_SCFB 0x0017 /* Short frame transmit count threshold for rate fallback */ | |
224 | #define B43_SHM_SC_LCFB 0x0018 /* Long frame transmit count threshold for rate fallback */ | |
225 | ||
226 | /* Hardware Radio Enable masks */ | |
227 | #define B43_MMIO_RADIO_HWENABLED_HI_MASK (1 << 16) | |
228 | #define B43_MMIO_RADIO_HWENABLED_LO_MASK (1 << 4) | |
229 | ||
230 | /* HostFlags. See b43_hf_read/write() */ | |
231 | #define B43_HF_ANTDIVHELP 0x00000001 /* ucode antenna div helper */ | |
232 | #define B43_HF_SYMW 0x00000002 /* G-PHY SYM workaround */ | |
233 | #define B43_HF_RXPULLW 0x00000004 /* RX pullup workaround */ | |
234 | #define B43_HF_CCKBOOST 0x00000008 /* 4dB CCK power boost (exclusive with OFDM boost) */ | |
235 | #define B43_HF_BTCOEX 0x00000010 /* Bluetooth coexistance */ | |
236 | #define B43_HF_GDCW 0x00000020 /* G-PHY DV canceller filter bw workaround */ | |
237 | #define B43_HF_OFDMPABOOST 0x00000040 /* Enable PA gain boost for OFDM */ | |
238 | #define B43_HF_ACPR 0x00000080 /* Disable for Japan, channel 14 */ | |
239 | #define B43_HF_EDCF 0x00000100 /* on if WME and MAC suspended */ | |
240 | #define B43_HF_TSSIRPSMW 0x00000200 /* TSSI reset PSM ucode workaround */ | |
241 | #define B43_HF_DSCRQ 0x00000400 /* Disable slow clock request in ucode */ | |
242 | #define B43_HF_ACIW 0x00000800 /* ACI workaround: shift bits by 2 on PHY CRS */ | |
243 | #define B43_HF_2060W 0x00001000 /* 2060 radio workaround */ | |
244 | #define B43_HF_RADARW 0x00002000 /* Radar workaround */ | |
245 | #define B43_HF_USEDEFKEYS 0x00004000 /* Enable use of default keys */ | |
246 | #define B43_HF_BT4PRIOCOEX 0x00010000 /* Bluetooth 2-priority coexistance */ | |
247 | #define B43_HF_FWKUP 0x00020000 /* Fast wake-up ucode */ | |
248 | #define B43_HF_VCORECALC 0x00040000 /* Force VCO recalculation when powering up synthpu */ | |
249 | #define B43_HF_PCISCW 0x00080000 /* PCI slow clock workaround */ | |
250 | #define B43_HF_4318TSSI 0x00200000 /* 4318 TSSI */ | |
251 | #define B43_HF_FBCMCFIFO 0x00400000 /* Flush bcast/mcast FIFO immediately */ | |
252 | #define B43_HF_HWPCTL 0x00800000 /* Enable hardwarre power control */ | |
253 | #define B43_HF_BTCOEXALT 0x01000000 /* Bluetooth coexistance in alternate pins */ | |
254 | #define B43_HF_TXBTCHECK 0x02000000 /* Bluetooth check during transmission */ | |
255 | #define B43_HF_SKCFPUP 0x04000000 /* Skip CFP update */ | |
256 | ||
257 | /* MacFilter offsets. */ | |
258 | #define B43_MACFILTER_SELF 0x0000 | |
259 | #define B43_MACFILTER_BSSID 0x0003 | |
260 | ||
261 | /* PowerControl */ | |
262 | #define B43_PCTL_IN 0xB0 | |
263 | #define B43_PCTL_OUT 0xB4 | |
264 | #define B43_PCTL_OUTENABLE 0xB8 | |
265 | #define B43_PCTL_XTAL_POWERUP 0x40 | |
266 | #define B43_PCTL_PLL_POWERDOWN 0x80 | |
267 | ||
268 | /* PowerControl Clock Modes */ | |
269 | #define B43_PCTL_CLK_FAST 0x00 | |
270 | #define B43_PCTL_CLK_SLOW 0x01 | |
271 | #define B43_PCTL_CLK_DYNAMIC 0x02 | |
272 | ||
273 | #define B43_PCTL_FORCE_SLOW 0x0800 | |
274 | #define B43_PCTL_FORCE_PLL 0x1000 | |
275 | #define B43_PCTL_DYN_XTAL 0x2000 | |
276 | ||
277 | /* PHYVersioning */ | |
278 | #define B43_PHYTYPE_A 0x00 | |
279 | #define B43_PHYTYPE_B 0x01 | |
280 | #define B43_PHYTYPE_G 0x02 | |
d987160b MB |
281 | #define B43_PHYTYPE_N 0x04 |
282 | #define B43_PHYTYPE_LP 0x05 | |
e4d6b795 MB |
283 | |
284 | /* PHYRegisters */ | |
285 | #define B43_PHY_ILT_A_CTRL 0x0072 | |
286 | #define B43_PHY_ILT_A_DATA1 0x0073 | |
287 | #define B43_PHY_ILT_A_DATA2 0x0074 | |
288 | #define B43_PHY_G_LO_CONTROL 0x0810 | |
289 | #define B43_PHY_ILT_G_CTRL 0x0472 | |
290 | #define B43_PHY_ILT_G_DATA1 0x0473 | |
291 | #define B43_PHY_ILT_G_DATA2 0x0474 | |
292 | #define B43_PHY_A_PCTL 0x007B | |
293 | #define B43_PHY_G_PCTL 0x0029 | |
294 | #define B43_PHY_A_CRS 0x0029 | |
295 | #define B43_PHY_RADIO_BITFIELD 0x0401 | |
296 | #define B43_PHY_G_CRS 0x0429 | |
297 | #define B43_PHY_NRSSILT_CTRL 0x0803 | |
298 | #define B43_PHY_NRSSILT_DATA 0x0804 | |
299 | ||
300 | /* RadioRegisters */ | |
301 | #define B43_RADIOCTL_ID 0x01 | |
302 | ||
303 | /* MAC Control bitfield */ | |
304 | #define B43_MACCTL_ENABLED 0x00000001 /* MAC Enabled */ | |
305 | #define B43_MACCTL_PSM_RUN 0x00000002 /* Run Microcode */ | |
306 | #define B43_MACCTL_PSM_JMP0 0x00000004 /* Microcode jump to 0 */ | |
307 | #define B43_MACCTL_SHM_ENABLED 0x00000100 /* SHM Enabled */ | |
308 | #define B43_MACCTL_SHM_UPPER 0x00000200 /* SHM Upper */ | |
309 | #define B43_MACCTL_IHR_ENABLED 0x00000400 /* IHR Region Enabled */ | |
310 | #define B43_MACCTL_PSM_DBG 0x00002000 /* Microcode debugging enabled */ | |
311 | #define B43_MACCTL_GPOUTSMSK 0x0000C000 /* GPOUT Select Mask */ | |
312 | #define B43_MACCTL_BE 0x00010000 /* Big Endian mode */ | |
313 | #define B43_MACCTL_INFRA 0x00020000 /* Infrastructure mode */ | |
314 | #define B43_MACCTL_AP 0x00040000 /* AccessPoint mode */ | |
315 | #define B43_MACCTL_RADIOLOCK 0x00080000 /* Radio lock */ | |
316 | #define B43_MACCTL_BEACPROMISC 0x00100000 /* Beacon Promiscuous */ | |
317 | #define B43_MACCTL_KEEP_BADPLCP 0x00200000 /* Keep frames with bad PLCP */ | |
318 | #define B43_MACCTL_KEEP_CTL 0x00400000 /* Keep control frames */ | |
319 | #define B43_MACCTL_KEEP_BAD 0x00800000 /* Keep bad frames (FCS) */ | |
320 | #define B43_MACCTL_PROMISC 0x01000000 /* Promiscuous mode */ | |
321 | #define B43_MACCTL_HWPS 0x02000000 /* Hardware Power Saving */ | |
322 | #define B43_MACCTL_AWAKE 0x04000000 /* Device is awake */ | |
323 | #define B43_MACCTL_CLOSEDNET 0x08000000 /* Closed net (no SSID bcast) */ | |
324 | #define B43_MACCTL_TBTTHOLD 0x10000000 /* TBTT Hold */ | |
325 | #define B43_MACCTL_DISCTXSTAT 0x20000000 /* Discard TX status */ | |
326 | #define B43_MACCTL_DISCPMQ 0x40000000 /* Discard Power Management Queue */ | |
327 | #define B43_MACCTL_GMODE 0x80000000 /* G Mode */ | |
328 | ||
329 | /* 802.11 core specific TM State Low flags */ | |
330 | #define B43_TMSLOW_GMODE 0x20000000 /* G Mode Enable */ | |
331 | #define B43_TMSLOW_PLLREFSEL 0x00200000 /* PLL Frequency Reference Select */ | |
332 | #define B43_TMSLOW_MACPHYCLKEN 0x00100000 /* MAC PHY Clock Control Enable (rev >= 5) */ | |
333 | #define B43_TMSLOW_PHYRESET 0x00080000 /* PHY Reset */ | |
334 | #define B43_TMSLOW_PHYCLKEN 0x00040000 /* PHY Clock Enable */ | |
335 | ||
336 | /* 802.11 core specific TM State High flags */ | |
337 | #define B43_TMSHIGH_FCLOCK 0x00040000 /* Fast Clock Available (rev >= 5) */ | |
338 | #define B43_TMSHIGH_APHY 0x00020000 /* A-PHY available (rev >= 5) */ | |
339 | #define B43_TMSHIGH_GPHY 0x00010000 /* G-PHY available (rev >= 5) */ | |
340 | ||
341 | /* Generic-Interrupt reasons. */ | |
342 | #define B43_IRQ_MAC_SUSPENDED 0x00000001 | |
343 | #define B43_IRQ_BEACON 0x00000002 | |
344 | #define B43_IRQ_TBTT_INDI 0x00000004 | |
345 | #define B43_IRQ_BEACON_TX_OK 0x00000008 | |
346 | #define B43_IRQ_BEACON_CANCEL 0x00000010 | |
347 | #define B43_IRQ_ATIM_END 0x00000020 | |
348 | #define B43_IRQ_PMQ 0x00000040 | |
349 | #define B43_IRQ_PIO_WORKAROUND 0x00000100 | |
350 | #define B43_IRQ_MAC_TXERR 0x00000200 | |
351 | #define B43_IRQ_PHY_TXERR 0x00000800 | |
352 | #define B43_IRQ_PMEVENT 0x00001000 | |
353 | #define B43_IRQ_TIMER0 0x00002000 | |
354 | #define B43_IRQ_TIMER1 0x00004000 | |
355 | #define B43_IRQ_DMA 0x00008000 | |
356 | #define B43_IRQ_TXFIFO_FLUSH_OK 0x00010000 | |
357 | #define B43_IRQ_CCA_MEASURE_OK 0x00020000 | |
358 | #define B43_IRQ_NOISESAMPLE_OK 0x00040000 | |
359 | #define B43_IRQ_UCODE_DEBUG 0x08000000 | |
360 | #define B43_IRQ_RFKILL 0x10000000 | |
361 | #define B43_IRQ_TX_OK 0x20000000 | |
362 | #define B43_IRQ_PHY_G_CHANGED 0x40000000 | |
363 | #define B43_IRQ_TIMEOUT 0x80000000 | |
364 | ||
365 | #define B43_IRQ_ALL 0xFFFFFFFF | |
366 | #define B43_IRQ_MASKTEMPLATE (B43_IRQ_MAC_SUSPENDED | \ | |
367 | B43_IRQ_BEACON | \ | |
368 | B43_IRQ_TBTT_INDI | \ | |
369 | B43_IRQ_ATIM_END | \ | |
370 | B43_IRQ_PMQ | \ | |
371 | B43_IRQ_MAC_TXERR | \ | |
372 | B43_IRQ_PHY_TXERR | \ | |
373 | B43_IRQ_DMA | \ | |
374 | B43_IRQ_TXFIFO_FLUSH_OK | \ | |
375 | B43_IRQ_NOISESAMPLE_OK | \ | |
376 | B43_IRQ_UCODE_DEBUG | \ | |
377 | B43_IRQ_RFKILL | \ | |
378 | B43_IRQ_TX_OK) | |
379 | ||
380 | /* Device specific rate values. | |
381 | * The actual values defined here are (rate_in_mbps * 2). | |
382 | * Some code depends on this. Don't change it. */ | |
383 | #define B43_CCK_RATE_1MB 0x02 | |
384 | #define B43_CCK_RATE_2MB 0x04 | |
385 | #define B43_CCK_RATE_5MB 0x0B | |
386 | #define B43_CCK_RATE_11MB 0x16 | |
387 | #define B43_OFDM_RATE_6MB 0x0C | |
388 | #define B43_OFDM_RATE_9MB 0x12 | |
389 | #define B43_OFDM_RATE_12MB 0x18 | |
390 | #define B43_OFDM_RATE_18MB 0x24 | |
391 | #define B43_OFDM_RATE_24MB 0x30 | |
392 | #define B43_OFDM_RATE_36MB 0x48 | |
393 | #define B43_OFDM_RATE_48MB 0x60 | |
394 | #define B43_OFDM_RATE_54MB 0x6C | |
395 | /* Convert a b43 rate value to a rate in 100kbps */ | |
396 | #define B43_RATE_TO_BASE100KBPS(rate) (((rate) * 10) / 2) | |
397 | ||
398 | #define B43_DEFAULT_SHORT_RETRY_LIMIT 7 | |
399 | #define B43_DEFAULT_LONG_RETRY_LIMIT 4 | |
400 | ||
00e0b8cb SB |
401 | #define B43_PHY_TX_BADNESS_LIMIT 1000 |
402 | ||
e4d6b795 MB |
403 | /* Max size of a security key */ |
404 | #define B43_SEC_KEYSIZE 16 | |
405 | /* Security algorithms. */ | |
406 | enum { | |
407 | B43_SEC_ALGO_NONE = 0, /* unencrypted, as of TX header. */ | |
408 | B43_SEC_ALGO_WEP40, | |
409 | B43_SEC_ALGO_TKIP, | |
410 | B43_SEC_ALGO_AES, | |
411 | B43_SEC_ALGO_WEP104, | |
412 | B43_SEC_ALGO_AES_LEGACY, | |
413 | }; | |
414 | ||
415 | struct b43_dmaring; | |
416 | struct b43_pioqueue; | |
417 | ||
418 | /* The firmware file header */ | |
419 | #define B43_FW_TYPE_UCODE 'u' | |
420 | #define B43_FW_TYPE_PCM 'p' | |
421 | #define B43_FW_TYPE_IV 'i' | |
422 | struct b43_fw_header { | |
423 | /* File type */ | |
424 | u8 type; | |
425 | /* File format version */ | |
426 | u8 ver; | |
427 | u8 __padding[2]; | |
428 | /* Size of the data. For ucode and PCM this is in bytes. | |
429 | * For IV this is number-of-ivs. */ | |
430 | __be32 size; | |
431 | } __attribute__((__packed__)); | |
432 | ||
433 | /* Initial Value file format */ | |
434 | #define B43_IV_OFFSET_MASK 0x7FFF | |
435 | #define B43_IV_32BIT 0x8000 | |
436 | struct b43_iv { | |
437 | __be16 offset_size; | |
438 | union { | |
439 | __be16 d16; | |
440 | __be32 d32; | |
441 | } data __attribute__((__packed__)); | |
442 | } __attribute__((__packed__)); | |
443 | ||
444 | ||
445 | #define B43_PHYMODE(phytype) (1 << (phytype)) | |
446 | #define B43_PHYMODE_A B43_PHYMODE(B43_PHYTYPE_A) | |
447 | #define B43_PHYMODE_B B43_PHYMODE(B43_PHYTYPE_B) | |
448 | #define B43_PHYMODE_G B43_PHYMODE(B43_PHYTYPE_G) | |
449 | ||
450 | struct b43_phy { | |
451 | /* Possible PHYMODEs on this PHY */ | |
452 | u8 possible_phymodes; | |
453 | /* GMODE bit enabled? */ | |
454 | bool gmode; | |
455 | /* Possible ieee80211 subsystem hwmodes for this PHY. | |
456 | * Which mode is selected, depends on thr GMODE enabled bit */ | |
457 | #define B43_MAX_PHYHWMODES 2 | |
458 | struct ieee80211_hw_mode hwmodes[B43_MAX_PHYHWMODES]; | |
459 | ||
460 | /* Analog Type */ | |
461 | u8 analog; | |
462 | /* B43_PHYTYPE_ */ | |
463 | u8 type; | |
464 | /* PHY revision number. */ | |
465 | u8 rev; | |
466 | ||
467 | /* Radio versioning */ | |
468 | u16 radio_manuf; /* Radio manufacturer */ | |
469 | u16 radio_ver; /* Radio version */ | |
470 | u8 radio_rev; /* Radio revision */ | |
471 | ||
e4d6b795 MB |
472 | bool locked; /* Only used in b43_phy_{un}lock() */ |
473 | bool dyn_tssi_tbl; /* tssi2dbm is kmalloc()ed. */ | |
474 | ||
475 | /* ACI (adjacent channel interference) flags. */ | |
476 | bool aci_enable; | |
477 | bool aci_wlan_automatic; | |
478 | bool aci_hw_rssi; | |
479 | ||
fda9abcf MB |
480 | /* Radio switched on/off */ |
481 | bool radio_on; | |
482 | struct { | |
483 | /* Values saved when turning the radio off. | |
484 | * They are needed when turning it on again. */ | |
485 | bool valid; | |
486 | u16 rfover; | |
487 | u16 rfoverval; | |
488 | } radio_off_context; | |
489 | ||
e4d6b795 MB |
490 | u16 minlowsig[2]; |
491 | u16 minlowsigpos[2]; | |
492 | ||
493 | /* TSSI to dBm table in use */ | |
494 | const s8 *tssi2dbm; | |
495 | /* Target idle TSSI */ | |
496 | int tgt_idle_tssi; | |
497 | /* Current idle TSSI */ | |
498 | int cur_idle_tssi; | |
499 | ||
500 | /* LocalOscillator control values. */ | |
501 | struct b43_txpower_lo_control *lo_control; | |
502 | /* Values from b43_calc_loopback_gain() */ | |
503 | s16 max_lb_gain; /* Maximum Loopback gain in hdB */ | |
504 | s16 trsw_rx_gain; /* TRSW RX gain in hdB */ | |
505 | s16 lna_lod_gain; /* LNA lod */ | |
506 | s16 lna_gain; /* LNA */ | |
507 | s16 pga_gain; /* PGA */ | |
508 | ||
509 | /* PHY lock for core.rev < 3 | |
510 | * This lock is only used by b43_phy_{un}lock() | |
511 | */ | |
512 | spinlock_t lock; | |
513 | ||
514 | /* Desired TX power level (in dBm). | |
515 | * This is set by the user and adjusted in b43_phy_xmitpower(). */ | |
516 | u8 power_level; | |
517 | /* A-PHY TX Power control value. */ | |
518 | u16 txpwr_offset; | |
519 | ||
520 | /* Current TX power level attenuation control values */ | |
521 | struct b43_bbatt bbatt; | |
522 | struct b43_rfatt rfatt; | |
523 | u8 tx_control; /* B43_TXCTL_XXX */ | |
524 | #ifdef CONFIG_B43_DEBUG | |
525 | bool manual_txpower_control; /* Manual TX-power control enabled? */ | |
526 | #endif | |
527 | /* Hardware Power Control enabled? */ | |
528 | bool hardware_power_control; | |
529 | ||
530 | /* Current Interference Mitigation mode */ | |
531 | int interfmode; | |
532 | /* Stack of saved values from the Interference Mitigation code. | |
533 | * Each value in the stack is layed out as follows: | |
534 | * bit 0-11: offset | |
535 | * bit 12-15: register ID | |
536 | * bit 16-32: value | |
537 | * register ID is: 0x1 PHY, 0x2 Radio, 0x3 ILT | |
538 | */ | |
539 | #define B43_INTERFSTACK_SIZE 26 | |
540 | u32 interfstack[B43_INTERFSTACK_SIZE]; //FIXME: use a data structure | |
541 | ||
542 | /* Saved values from the NRSSI Slope calculation */ | |
543 | s16 nrssi[2]; | |
544 | s32 nrssislope; | |
545 | /* In memory nrssi lookup table. */ | |
546 | s8 nrssi_lt[64]; | |
547 | ||
548 | /* current channel */ | |
549 | u8 channel; | |
550 | ||
551 | u16 lofcal; | |
552 | ||
553 | u16 initval; //FIXME rename? | |
61bca6eb | 554 | |
00e0b8cb SB |
555 | /* PHY TX errors counter. */ |
556 | atomic_t txerr_cnt; | |
8ed7fc48 MB |
557 | |
558 | /* The device does address auto increment for the OFDM tables. | |
559 | * We cache the previously used address here and omit the address | |
560 | * write on the next table access, if possible. */ | |
561 | u16 ofdmtab_addr; /* The address currently set in hardware. */ | |
562 | enum { /* The last data flow direction. */ | |
563 | B43_OFDMTAB_DIRECTION_UNKNOWN = 0, | |
564 | B43_OFDMTAB_DIRECTION_READ, | |
565 | B43_OFDMTAB_DIRECTION_WRITE, | |
566 | } ofdmtab_addr_direction; | |
e4d6b795 MB |
567 | }; |
568 | ||
569 | /* Data structures for DMA transmission, per 80211 core. */ | |
570 | struct b43_dma { | |
571 | struct b43_dmaring *tx_ring0; | |
572 | struct b43_dmaring *tx_ring1; | |
573 | struct b43_dmaring *tx_ring2; | |
574 | struct b43_dmaring *tx_ring3; | |
575 | struct b43_dmaring *tx_ring4; | |
576 | struct b43_dmaring *tx_ring5; | |
577 | ||
578 | struct b43_dmaring *rx_ring0; | |
579 | struct b43_dmaring *rx_ring3; /* only available on core.rev < 5 */ | |
580 | }; | |
581 | ||
582 | /* Data structures for PIO transmission, per 80211 core. */ | |
583 | struct b43_pio { | |
584 | struct b43_pioqueue *queue0; | |
585 | struct b43_pioqueue *queue1; | |
586 | struct b43_pioqueue *queue2; | |
587 | struct b43_pioqueue *queue3; | |
588 | }; | |
589 | ||
590 | /* Context information for a noise calculation (Link Quality). */ | |
591 | struct b43_noise_calculation { | |
592 | u8 channel_at_start; | |
593 | bool calculation_running; | |
594 | u8 nr_samples; | |
595 | s8 samples[8][4]; | |
596 | }; | |
597 | ||
598 | struct b43_stats { | |
599 | u8 link_noise; | |
600 | /* Store the last TX/RX times here for updating the leds. */ | |
601 | unsigned long last_tx; | |
602 | unsigned long last_rx; | |
603 | }; | |
604 | ||
605 | struct b43_key { | |
606 | /* If keyconf is NULL, this key is disabled. | |
607 | * keyconf is a cookie. Don't derefenrence it outside of the set_key | |
608 | * path, because b43 doesn't own it. */ | |
609 | struct ieee80211_key_conf *keyconf; | |
610 | u8 algorithm; | |
611 | }; | |
612 | ||
613 | struct b43_wldev; | |
614 | ||
615 | /* Data structure for the WLAN parts (802.11 cores) of the b43 chip. */ | |
616 | struct b43_wl { | |
617 | /* Pointer to the active wireless device on this chip */ | |
618 | struct b43_wldev *current_dev; | |
619 | /* Pointer to the ieee80211 hardware data structure */ | |
620 | struct ieee80211_hw *hw; | |
621 | ||
622 | spinlock_t irq_lock; | |
623 | struct mutex mutex; | |
624 | spinlock_t leds_lock; | |
625 | ||
626 | /* We can only have one operating interface (802.11 core) | |
627 | * at a time. General information about this interface follows. | |
628 | */ | |
629 | ||
4150c572 JB |
630 | /* Opaque ID of the operating interface from the ieee80211 |
631 | * subsystem. Do not modify. | |
e4d6b795 MB |
632 | */ |
633 | int if_id; | |
634 | /* The MAC address of the operating interface. */ | |
635 | u8 mac_addr[ETH_ALEN]; | |
636 | /* Current BSSID */ | |
637 | u8 bssid[ETH_ALEN]; | |
638 | /* Interface type. (IEEE80211_IF_TYPE_XXX) */ | |
639 | int if_type; | |
e4d6b795 MB |
640 | /* Is the card operating in AP, STA or IBSS mode? */ |
641 | bool operating; | |
4150c572 JB |
642 | /* filter flags */ |
643 | unsigned int filter_flags; | |
e4d6b795 MB |
644 | /* Stats about the wireless interface */ |
645 | struct ieee80211_low_level_stats ieee_stats; | |
646 | ||
647 | struct hwrng rng; | |
648 | u8 rng_initialized; | |
649 | char rng_name[30 + 1]; | |
650 | ||
8e9f7529 MB |
651 | /* The RF-kill button */ |
652 | struct b43_rfkill rfkill; | |
653 | ||
e4d6b795 MB |
654 | /* List of all wireless devices on this chip */ |
655 | struct list_head devlist; | |
656 | u8 nr_devs; | |
d42ce84a JB |
657 | |
658 | bool radiotap_enabled; | |
e4d6b795 MB |
659 | }; |
660 | ||
661 | /* Pointers to the firmware data and meta information about it. */ | |
662 | struct b43_firmware { | |
663 | /* Microcode */ | |
664 | const struct firmware *ucode; | |
665 | /* PCM code */ | |
666 | const struct firmware *pcm; | |
667 | /* Initial MMIO values for the firmware */ | |
668 | const struct firmware *initvals; | |
669 | /* Initial MMIO values for the firmware, band-specific */ | |
670 | const struct firmware *initvals_band; | |
671 | /* Firmware revision */ | |
672 | u16 rev; | |
673 | /* Firmware patchlevel */ | |
674 | u16 patch; | |
675 | }; | |
676 | ||
677 | /* Device (802.11 core) initialization status. */ | |
678 | enum { | |
679 | B43_STAT_UNINIT = 0, /* Uninitialized. */ | |
680 | B43_STAT_INITIALIZED = 1, /* Initialized, but not started, yet. */ | |
681 | B43_STAT_STARTED = 2, /* Up and running. */ | |
682 | }; | |
683 | #define b43_status(wldev) atomic_read(&(wldev)->__init_status) | |
684 | #define b43_set_status(wldev, stat) do { \ | |
685 | atomic_set(&(wldev)->__init_status, (stat)); \ | |
686 | smp_wmb(); \ | |
687 | } while (0) | |
688 | ||
689 | /* XXX--- HOW LOCKING WORKS IN B43 ---XXX | |
690 | * | |
691 | * You should always acquire both, wl->mutex and wl->irq_lock unless: | |
692 | * - You don't need to acquire wl->irq_lock, if the interface is stopped. | |
693 | * - You don't need to acquire wl->mutex in the IRQ handler, IRQ tasklet | |
694 | * and packet TX path (and _ONLY_ there.) | |
695 | */ | |
696 | ||
697 | /* Data structure for one wireless device (802.11 core) */ | |
698 | struct b43_wldev { | |
699 | struct ssb_device *dev; | |
700 | struct b43_wl *wl; | |
701 | ||
702 | /* The device initialization status. | |
703 | * Use b43_status() to query. */ | |
704 | atomic_t __init_status; | |
705 | /* Saved init status for handling suspend. */ | |
706 | int suspend_init_status; | |
707 | ||
708 | bool __using_pio; /* Internal, use b43_using_pio(). */ | |
709 | bool bad_frames_preempt; /* Use "Bad Frames Preemption" (default off) */ | |
710 | bool reg124_set_0x4; /* Some variable to keep track of IRQ stuff. */ | |
711 | bool short_preamble; /* TRUE, if short preamble is enabled. */ | |
712 | bool short_slot; /* TRUE, if short slot timing is enabled. */ | |
713 | bool radio_hw_enable; /* saved state of radio hardware enabled state */ | |
714 | ||
715 | /* PHY/Radio device. */ | |
716 | struct b43_phy phy; | |
717 | union { | |
718 | /* DMA engines. */ | |
719 | struct b43_dma dma; | |
720 | /* PIO engines. */ | |
721 | struct b43_pio pio; | |
722 | }; | |
723 | ||
724 | /* Various statistics about the physical device. */ | |
725 | struct b43_stats stats; | |
726 | ||
21954c36 MB |
727 | /* The device LEDs. */ |
728 | struct b43_led led_tx; | |
729 | struct b43_led led_rx; | |
730 | struct b43_led led_assoc; | |
8e9f7529 | 731 | struct b43_led led_radio; |
e4d6b795 MB |
732 | |
733 | /* Reason code of the last interrupt. */ | |
734 | u32 irq_reason; | |
735 | u32 dma_reason[6]; | |
736 | /* saved irq enable/disable state bitfield. */ | |
737 | u32 irq_savedstate; | |
738 | /* Link Quality calculation context. */ | |
739 | struct b43_noise_calculation noisecalc; | |
740 | /* if > 0 MAC is suspended. if == 0 MAC is enabled. */ | |
741 | int mac_suspended; | |
742 | ||
743 | /* Interrupt Service Routine tasklet (bottom-half) */ | |
744 | struct tasklet_struct isr_tasklet; | |
745 | ||
746 | /* Periodic tasks */ | |
747 | struct delayed_work periodic_work; | |
748 | unsigned int periodic_state; | |
749 | ||
750 | struct work_struct restart_work; | |
751 | ||
752 | /* encryption/decryption */ | |
753 | u16 ktp; /* Key table pointer */ | |
754 | u8 max_nr_keys; | |
755 | struct b43_key key[58]; | |
756 | ||
757 | /* Cached beacon template while uploading the template. */ | |
758 | struct sk_buff *cached_beacon; | |
759 | ||
760 | /* Firmware data */ | |
761 | struct b43_firmware fw; | |
762 | ||
763 | /* Devicelist in struct b43_wl (all 802.11 cores) */ | |
764 | struct list_head list; | |
765 | ||
766 | /* Debugging stuff follows. */ | |
767 | #ifdef CONFIG_B43_DEBUG | |
768 | struct b43_dfsentry *dfsentry; | |
769 | #endif | |
770 | }; | |
771 | ||
772 | static inline struct b43_wl *hw_to_b43_wl(struct ieee80211_hw *hw) | |
773 | { | |
774 | return hw->priv; | |
775 | } | |
776 | ||
777 | /* Helper function, which returns a boolean. | |
778 | * TRUE, if PIO is used; FALSE, if DMA is used. | |
779 | */ | |
780 | #if defined(CONFIG_B43_DMA) && defined(CONFIG_B43_PIO) | |
781 | static inline int b43_using_pio(struct b43_wldev *dev) | |
782 | { | |
783 | return dev->__using_pio; | |
784 | } | |
785 | #elif defined(CONFIG_B43_DMA) | |
786 | static inline int b43_using_pio(struct b43_wldev *dev) | |
787 | { | |
788 | return 0; | |
789 | } | |
790 | #elif defined(CONFIG_B43_PIO) | |
791 | static inline int b43_using_pio(struct b43_wldev *dev) | |
792 | { | |
793 | return 1; | |
794 | } | |
795 | #else | |
796 | # error "Using neither DMA nor PIO? Confused..." | |
797 | #endif | |
798 | ||
799 | static inline struct b43_wldev *dev_to_b43_wldev(struct device *dev) | |
800 | { | |
801 | struct ssb_device *ssb_dev = dev_to_ssb_dev(dev); | |
802 | return ssb_get_drvdata(ssb_dev); | |
803 | } | |
804 | ||
805 | /* Is the device operating in a specified mode (IEEE80211_IF_TYPE_XXX). */ | |
806 | static inline int b43_is_mode(struct b43_wl *wl, int type) | |
807 | { | |
e4d6b795 MB |
808 | return (wl->operating && wl->if_type == type); |
809 | } | |
810 | ||
811 | static inline u16 b43_read16(struct b43_wldev *dev, u16 offset) | |
812 | { | |
813 | return ssb_read16(dev->dev, offset); | |
814 | } | |
815 | ||
816 | static inline void b43_write16(struct b43_wldev *dev, u16 offset, u16 value) | |
817 | { | |
818 | ssb_write16(dev->dev, offset, value); | |
819 | } | |
820 | ||
821 | static inline u32 b43_read32(struct b43_wldev *dev, u16 offset) | |
822 | { | |
823 | return ssb_read32(dev->dev, offset); | |
824 | } | |
825 | ||
826 | static inline void b43_write32(struct b43_wldev *dev, u16 offset, u32 value) | |
827 | { | |
828 | ssb_write32(dev->dev, offset, value); | |
829 | } | |
830 | ||
831 | /* Message printing */ | |
832 | void b43info(struct b43_wl *wl, const char *fmt, ...) | |
833 | __attribute__ ((format(printf, 2, 3))); | |
834 | void b43err(struct b43_wl *wl, const char *fmt, ...) | |
835 | __attribute__ ((format(printf, 2, 3))); | |
836 | void b43warn(struct b43_wl *wl, const char *fmt, ...) | |
837 | __attribute__ ((format(printf, 2, 3))); | |
838 | #if B43_DEBUG | |
839 | void b43dbg(struct b43_wl *wl, const char *fmt, ...) | |
840 | __attribute__ ((format(printf, 2, 3))); | |
841 | #else /* DEBUG */ | |
842 | # define b43dbg(wl, fmt...) do { /* nothing */ } while (0) | |
843 | #endif /* DEBUG */ | |
844 | ||
845 | /* A WARN_ON variant that vanishes when b43 debugging is disabled. | |
846 | * This _also_ evaluates the arg with debugging disabled. */ | |
847 | #if B43_DEBUG | |
848 | # define B43_WARN_ON(x) WARN_ON(x) | |
849 | #else | |
850 | static inline bool __b43_warn_on_dummy(bool x) { return x; } | |
851 | # define B43_WARN_ON(x) __b43_warn_on_dummy(unlikely(!!(x))) | |
852 | #endif | |
853 | ||
854 | /** Limit a value between two limits */ | |
855 | #ifdef limit_value | |
856 | # undef limit_value | |
857 | #endif | |
858 | #define limit_value(value, min, max) \ | |
859 | ({ \ | |
860 | typeof(value) __value = (value); \ | |
861 | typeof(value) __min = (min); \ | |
862 | typeof(value) __max = (max); \ | |
863 | if (__value < __min) \ | |
864 | __value = __min; \ | |
865 | else if (__value > __max) \ | |
866 | __value = __max; \ | |
867 | __value; \ | |
868 | }) | |
869 | ||
870 | /* Convert an integer to a Q5.2 value */ | |
871 | #define INT_TO_Q52(i) ((i) << 2) | |
872 | /* Convert a Q5.2 value to an integer (precision loss!) */ | |
873 | #define Q52_TO_INT(q52) ((q52) >> 2) | |
874 | /* Macros for printing a value in Q5.2 format */ | |
875 | #define Q52_FMT "%u.%u" | |
876 | #define Q52_ARG(q52) Q52_TO_INT(q52), ((((q52) & 0x3) * 100) / 4) | |
877 | ||
878 | #endif /* B43_H_ */ |