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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/bcma/bcma.h>
9 #include <linux/ssb/ssb.h>
10 #include <linux/completion.h>
11 #include <net/mac80211.h>
12 
13 #include "debugfs.h"
14 #include "leds.h"
15 #include "rfkill.h"
16 #include "bus.h"
17 #include "lo.h"
18 #include "phy_common.h"
19 
20 
21 #ifdef CONFIG_B43_DEBUG
22 # define B43_DEBUG	1
23 #else
24 # define B43_DEBUG	0
25 #endif
26 
27 /* MMIO offsets */
28 #define B43_MMIO_DMA0_REASON		0x20
29 #define B43_MMIO_DMA0_IRQ_MASK		0x24
30 #define B43_MMIO_DMA1_REASON		0x28
31 #define B43_MMIO_DMA1_IRQ_MASK		0x2C
32 #define B43_MMIO_DMA2_REASON		0x30
33 #define B43_MMIO_DMA2_IRQ_MASK		0x34
34 #define B43_MMIO_DMA3_REASON		0x38
35 #define B43_MMIO_DMA3_IRQ_MASK		0x3C
36 #define B43_MMIO_DMA4_REASON		0x40
37 #define B43_MMIO_DMA4_IRQ_MASK		0x44
38 #define B43_MMIO_DMA5_REASON		0x48
39 #define B43_MMIO_DMA5_IRQ_MASK		0x4C
40 #define B43_MMIO_MACCTL			0x120	/* MAC control */
41 #define B43_MMIO_MACCMD			0x124	/* MAC command */
42 #define B43_MMIO_GEN_IRQ_REASON		0x128
43 #define B43_MMIO_GEN_IRQ_MASK		0x12C
44 #define B43_MMIO_RAM_CONTROL		0x130
45 #define B43_MMIO_RAM_DATA		0x134
46 #define B43_MMIO_PS_STATUS		0x140
47 #define B43_MMIO_RADIO_HWENABLED_HI	0x158
48 #define B43_MMIO_SHM_CONTROL		0x160
49 #define B43_MMIO_SHM_DATA		0x164
50 #define B43_MMIO_SHM_DATA_UNALIGNED	0x166
51 #define B43_MMIO_XMITSTAT_0		0x170
52 #define B43_MMIO_XMITSTAT_1		0x174
53 #define B43_MMIO_REV3PLUS_TSF_LOW	0x180	/* core rev >= 3 only */
54 #define B43_MMIO_REV3PLUS_TSF_HIGH	0x184	/* core rev >= 3 only */
55 #define B43_MMIO_TSF_CFP_REP		0x188
56 #define B43_MMIO_TSF_CFP_START		0x18C
57 #define B43_MMIO_TSF_CFP_MAXDUR		0x190
58 
59 /* 32-bit DMA */
60 #define B43_MMIO_DMA32_BASE0		0x200
61 #define B43_MMIO_DMA32_BASE1		0x220
62 #define B43_MMIO_DMA32_BASE2		0x240
63 #define B43_MMIO_DMA32_BASE3		0x260
64 #define B43_MMIO_DMA32_BASE4		0x280
65 #define B43_MMIO_DMA32_BASE5		0x2A0
66 /* 64-bit DMA */
67 #define B43_MMIO_DMA64_BASE0		0x200
68 #define B43_MMIO_DMA64_BASE1		0x240
69 #define B43_MMIO_DMA64_BASE2		0x280
70 #define B43_MMIO_DMA64_BASE3		0x2C0
71 #define B43_MMIO_DMA64_BASE4		0x300
72 #define B43_MMIO_DMA64_BASE5		0x340
73 
74 /* PIO on core rev < 11 */
75 #define B43_MMIO_PIO_BASE0		0x300
76 #define B43_MMIO_PIO_BASE1		0x310
77 #define B43_MMIO_PIO_BASE2		0x320
78 #define B43_MMIO_PIO_BASE3		0x330
79 #define B43_MMIO_PIO_BASE4		0x340
80 #define B43_MMIO_PIO_BASE5		0x350
81 #define B43_MMIO_PIO_BASE6		0x360
82 #define B43_MMIO_PIO_BASE7		0x370
83 /* PIO on core rev >= 11 */
84 #define B43_MMIO_PIO11_BASE0		0x200
85 #define B43_MMIO_PIO11_BASE1		0x240
86 #define B43_MMIO_PIO11_BASE2		0x280
87 #define B43_MMIO_PIO11_BASE3		0x2C0
88 #define B43_MMIO_PIO11_BASE4		0x300
89 #define B43_MMIO_PIO11_BASE5		0x340
90 
91 #define B43_MMIO_RADIO24_CONTROL	0x3D8	/* core rev >= 24 only */
92 #define B43_MMIO_RADIO24_DATA		0x3DA	/* core rev >= 24 only */
93 #define B43_MMIO_PHY_VER		0x3E0
94 #define B43_MMIO_PHY_RADIO		0x3E2
95 #define B43_MMIO_PHY0			0x3E6
96 #define B43_MMIO_ANTENNA		0x3E8
97 #define B43_MMIO_CHANNEL		0x3F0
98 #define B43_MMIO_CHANNEL_EXT		0x3F4
99 #define B43_MMIO_RADIO_CONTROL		0x3F6
100 #define B43_MMIO_RADIO_DATA_HIGH	0x3F8
101 #define B43_MMIO_RADIO_DATA_LOW		0x3FA
102 #define B43_MMIO_PHY_CONTROL		0x3FC
103 #define B43_MMIO_PHY_DATA		0x3FE
104 #define B43_MMIO_MACFILTER_CONTROL	0x420
105 #define B43_MMIO_MACFILTER_DATA		0x422
106 #define B43_MMIO_RCMTA_COUNT		0x43C
107 #define B43_MMIO_PSM_PHY_HDR		0x492
108 #define B43_MMIO_RADIO_HWENABLED_LO	0x49A
109 #define B43_MMIO_GPIO_CONTROL		0x49C
110 #define B43_MMIO_GPIO_MASK		0x49E
111 #define B43_MMIO_TXE0_CTL		0x500
112 #define B43_MMIO_TXE0_AUX		0x502
113 #define B43_MMIO_TXE0_TS_LOC		0x504
114 #define B43_MMIO_TXE0_TIME_OUT		0x506
115 #define B43_MMIO_TXE0_WM_0		0x508
116 #define B43_MMIO_TXE0_WM_1		0x50A
117 #define B43_MMIO_TXE0_PHYCTL		0x50C
118 #define B43_MMIO_TXE0_STATUS		0x50E
119 #define B43_MMIO_TXE0_MMPLCP0		0x510
120 #define B43_MMIO_TXE0_MMPLCP1		0x512
121 #define B43_MMIO_TXE0_PHYCTL1		0x514
122 #define B43_MMIO_XMTFIFODEF		0x520
123 #define B43_MMIO_XMTFIFO_FRAME_CNT	0x522	/* core rev>= 16 only */
124 #define B43_MMIO_XMTFIFO_BYTE_CNT	0x524	/* core rev>= 16 only */
125 #define B43_MMIO_XMTFIFO_HEAD		0x526	/* core rev>= 16 only */
126 #define B43_MMIO_XMTFIFO_RD_PTR		0x528	/* core rev>= 16 only */
127 #define B43_MMIO_XMTFIFO_WR_PTR		0x52A	/* core rev>= 16 only */
128 #define B43_MMIO_XMTFIFODEF1		0x52C	/* core rev>= 16 only */
129 #define B43_MMIO_XMTFIFOCMD		0x540
130 #define B43_MMIO_XMTFIFOFLUSH		0x542
131 #define B43_MMIO_XMTFIFOTHRESH		0x544
132 #define B43_MMIO_XMTFIFORDY		0x546
133 #define B43_MMIO_XMTFIFOPRIRDY		0x548
134 #define B43_MMIO_XMTFIFORQPRI		0x54A
135 #define B43_MMIO_XMTTPLATETXPTR		0x54C
136 #define B43_MMIO_XMTTPLATEPTR		0x550
137 #define B43_MMIO_SMPL_CLCT_STRPTR	0x552	/* core rev>= 22 only */
138 #define B43_MMIO_SMPL_CLCT_STPPTR	0x554	/* core rev>= 22 only */
139 #define B43_MMIO_SMPL_CLCT_CURPTR	0x556	/* core rev>= 22 only */
140 #define B43_MMIO_XMTTPLATEDATALO	0x560
141 #define B43_MMIO_XMTTPLATEDATAHI	0x562
142 #define B43_MMIO_XMTSEL			0x568
143 #define B43_MMIO_XMTTXCNT		0x56A
144 #define B43_MMIO_XMTTXSHMADDR		0x56C
145 #define B43_MMIO_TSF_CFP_START_LOW	0x604
146 #define B43_MMIO_TSF_CFP_START_HIGH	0x606
147 #define B43_MMIO_TSF_CFP_PRETBTT	0x612
148 #define B43_MMIO_TSF_CLK_FRAC_LOW	0x62E
149 #define B43_MMIO_TSF_CLK_FRAC_HIGH	0x630
150 #define B43_MMIO_TSF_0			0x632	/* core rev < 3 only */
151 #define B43_MMIO_TSF_1			0x634	/* core rev < 3 only */
152 #define B43_MMIO_TSF_2			0x636	/* core rev < 3 only */
153 #define B43_MMIO_TSF_3			0x638	/* core rev < 3 only */
154 #define B43_MMIO_RNG			0x65A
155 #define B43_MMIO_IFSSLOT		0x684	/* Interframe slot time */
156 #define B43_MMIO_IFSCTL			0x688	/* Interframe space control */
157 #define B43_MMIO_IFSSTAT		0x690
158 #define B43_MMIO_IFSMEDBUSYCTL		0x692
159 #define B43_MMIO_IFTXDUR		0x694
160 #define  B43_MMIO_IFSCTL_USE_EDCF	0x0004
161 #define B43_MMIO_POWERUP_DELAY		0x6A8
162 #define B43_MMIO_BTCOEX_CTL		0x6B4 /* Bluetooth Coexistence Control */
163 #define B43_MMIO_BTCOEX_STAT		0x6B6 /* Bluetooth Coexistence Status */
164 #define B43_MMIO_BTCOEX_TXCTL		0x6B8 /* Bluetooth Coexistence Transmit Control */
165 #define B43_MMIO_WEPCTL			0x7C0
166 
167 /* SPROM boardflags_lo values */
168 #define B43_BFL_BTCOEXIST		0x0001	/* implements Bluetooth coexistance */
169 #define B43_BFL_PACTRL			0x0002	/* GPIO 9 controlling the PA */
170 #define B43_BFL_AIRLINEMODE		0x0004	/* implements GPIO 13 radio disable indication */
171 #define B43_BFL_RSSI			0x0008	/* software calculates nrssi slope. */
172 #define B43_BFL_ENETSPI			0x0010	/* has ephy roboswitch spi */
173 #define B43_BFL_XTAL_NOSLOW		0x0020	/* no slow clock available */
174 #define B43_BFL_CCKHIPWR		0x0040	/* can do high power CCK transmission */
175 #define B43_BFL_ENETADM			0x0080	/* has ADMtek switch */
176 #define B43_BFL_ENETVLAN		0x0100	/* can do vlan */
177 #define B43_BFL_AFTERBURNER		0x0200	/* supports Afterburner mode */
178 #define B43_BFL_NOPCI			0x0400	/* leaves PCI floating */
179 #define B43_BFL_FEM			0x0800	/* supports the Front End Module */
180 #define B43_BFL_EXTLNA			0x1000	/* has an external LNA */
181 #define B43_BFL_HGPA			0x2000	/* had high gain PA */
182 #define B43_BFL_BTCMOD			0x4000	/* BFL_BTCOEXIST is given in alternate GPIOs */
183 #define B43_BFL_ALTIQ			0x8000	/* alternate I/Q settings */
184 
185 /* SPROM boardflags_hi values */
186 #define B43_BFH_NOPA			0x0001	/* has no PA */
187 #define B43_BFH_RSSIINV			0x0002	/* RSSI uses positive slope (not TSSI) */
188 #define B43_BFH_PAREF			0x0004	/* uses the PARef LDO */
189 #define B43_BFH_3TSWITCH		0x0008	/* uses a triple throw switch shared
190 						 * with bluetooth */
191 #define B43_BFH_PHASESHIFT		0x0010	/* can support phase shifter */
192 #define B43_BFH_BUCKBOOST		0x0020	/* has buck/booster */
193 #define B43_BFH_FEM_BT			0x0040	/* has FEM and switch to share antenna
194 						 * with bluetooth */
195 #define B43_BFH_NOCBUCK			0x0080
196 #define B43_BFH_PALDO			0x0200
197 #define B43_BFH_EXTLNA_5GHZ		0x1000	/* has an external LNA (5GHz mode) */
198 
199 /* SPROM boardflags2_lo values */
200 #define B43_BFL2_RXBB_INT_REG_DIS	0x0001	/* external RX BB regulator present */
201 #define B43_BFL2_APLL_WAR		0x0002	/* alternative A-band PLL settings implemented */
202 #define B43_BFL2_TXPWRCTRL_EN 		0x0004	/* permits enabling TX Power Control */
203 #define B43_BFL2_2X4_DIV		0x0008	/* 2x4 diversity switch */
204 #define B43_BFL2_5G_PWRGAIN		0x0010	/* supports 5G band power gain */
205 #define B43_BFL2_PCIEWAR_OVR		0x0020	/* overrides ASPM and Clkreq settings */
206 #define B43_BFL2_CAESERS_BRD		0x0040	/* is Caesers board (unused) */
207 #define B43_BFL2_BTC3WIRE		0x0080	/* used 3-wire bluetooth coexist */
208 #define B43_BFL2_SKWRKFEM_BRD		0x0100	/* 4321mcm93 uses Skyworks FEM */
209 #define B43_BFL2_SPUR_WAR		0x0200	/* has a workaround for clock-harmonic spurs */
210 #define B43_BFL2_GPLL_WAR		0x0400	/* altenative G-band PLL settings implemented */
211 #define B43_BFL2_SINGLEANT_CCK		0x1000
212 #define B43_BFL2_2G_SPUR_WAR		0x2000
213 
214 /* SPROM boardflags2_hi values */
215 #define B43_BFH2_GPLL_WAR2		0x0001
216 #define B43_BFH2_IPALVLSHIFT_3P3	0x0002
217 #define B43_BFH2_INTERNDET_TXIQCAL	0x0004
218 #define B43_BFH2_XTALBUFOUTEN		0x0008
219 
220 /* GPIO register offset, in both ChipCommon and PCI core. */
221 #define B43_GPIO_CONTROL		0x6c
222 
223 /* SHM Routing */
224 enum {
225 	B43_SHM_UCODE,		/* Microcode memory */
226 	B43_SHM_SHARED,		/* Shared memory */
227 	B43_SHM_SCRATCH,	/* Scratch memory */
228 	B43_SHM_HW,		/* Internal hardware register */
229 	B43_SHM_RCMTA,		/* Receive match transmitter address (rev >= 5 only) */
230 };
231 /* SHM Routing modifiers */
232 #define B43_SHM_AUTOINC_R		0x0200	/* Auto-increment address on read */
233 #define B43_SHM_AUTOINC_W		0x0100	/* Auto-increment address on write */
234 #define B43_SHM_AUTOINC_RW		(B43_SHM_AUTOINC_R | \
235 					 B43_SHM_AUTOINC_W)
236 
237 /* Misc SHM_SHARED offsets */
238 #define B43_SHM_SH_WLCOREREV		0x0016	/* 802.11 core revision */
239 #define B43_SHM_SH_PCTLWDPOS		0x0008
240 #define B43_SHM_SH_RXPADOFF		0x0034	/* RX Padding data offset (PIO only) */
241 #define B43_SHM_SH_FWCAPA		0x0042	/* Firmware capabilities (Opensource firmware only) */
242 #define B43_SHM_SH_PHYVER		0x0050	/* PHY version */
243 #define B43_SHM_SH_PHYTYPE		0x0052	/* PHY type */
244 #define B43_SHM_SH_ANTSWAP		0x005C	/* Antenna swap threshold */
245 #define B43_SHM_SH_HOSTF1		0x005E	/* Hostflags 1 for ucode options */
246 #define B43_SHM_SH_HOSTF2		0x0060	/* Hostflags 2 for ucode options */
247 #define B43_SHM_SH_HOSTF3		0x0062	/* Hostflags 3 for ucode options */
248 #define B43_SHM_SH_RFATT		0x0064	/* Current radio attenuation value */
249 #define B43_SHM_SH_RADAR		0x0066	/* Radar register */
250 #define B43_SHM_SH_PHYTXNOI		0x006E	/* PHY noise directly after TX (lower 8bit only) */
251 #define B43_SHM_SH_RFRXSP1		0x0072	/* RF RX SP Register 1 */
252 #define B43_SHM_SH_HOSTF4		0x0078	/* Hostflags 4 for ucode options */
253 #define B43_SHM_SH_CHAN			0x00A0	/* Current channel (low 8bit only) */
254 #define  B43_SHM_SH_CHAN_5GHZ		0x0100	/* Bit set, if 5 Ghz channel */
255 #define  B43_SHM_SH_CHAN_40MHZ		0x0200	/* Bit set, if 40 Mhz channel width */
256 #define B43_SHM_SH_HOSTF5		0x00D4	/* Hostflags 5 for ucode options */
257 #define B43_SHM_SH_BCMCFIFOID		0x0108	/* Last posted cookie to the bcast/mcast FIFO */
258 /* TSSI information */
259 #define B43_SHM_SH_TSSI_CCK		0x0058	/* TSSI for last 4 CCK frames (32bit) */
260 #define B43_SHM_SH_TSSI_OFDM_A		0x0068	/* TSSI for last 4 OFDM frames (32bit) */
261 #define B43_SHM_SH_TSSI_OFDM_G		0x0070	/* TSSI for last 4 OFDM frames (32bit) */
262 #define  B43_TSSI_MAX			0x7F	/* Max value for one TSSI value */
263 /* SHM_SHARED TX FIFO variables */
264 #define B43_SHM_SH_SIZE01		0x0098	/* TX FIFO size for FIFO 0 (low) and 1 (high) */
265 #define B43_SHM_SH_SIZE23		0x009A	/* TX FIFO size for FIFO 2 and 3 */
266 #define B43_SHM_SH_SIZE45		0x009C	/* TX FIFO size for FIFO 4 and 5 */
267 #define B43_SHM_SH_SIZE67		0x009E	/* TX FIFO size for FIFO 6 and 7 */
268 /* SHM_SHARED background noise */
269 #define B43_SHM_SH_JSSI0		0x0088	/* Measure JSSI 0 */
270 #define B43_SHM_SH_JSSI1		0x008A	/* Measure JSSI 1 */
271 #define B43_SHM_SH_JSSIAUX		0x008C	/* Measure JSSI AUX */
272 /* SHM_SHARED crypto engine */
273 #define B43_SHM_SH_DEFAULTIV		0x003C	/* Default IV location */
274 #define B43_SHM_SH_NRRXTRANS		0x003E	/* # of soft RX transmitter addresses (max 8) */
275 #define B43_SHM_SH_KTP			0x0056	/* Key table pointer */
276 #define B43_SHM_SH_TKIPTSCTTAK		0x0318
277 #define B43_SHM_SH_KEYIDXBLOCK		0x05D4	/* Key index/algorithm block (v4 firmware) */
278 #define B43_SHM_SH_PSM			0x05F4	/* PSM transmitter address match block (rev < 5) */
279 /* SHM_SHARED WME variables */
280 #define B43_SHM_SH_EDCFSTAT		0x000E	/* EDCF status */
281 #define B43_SHM_SH_TXFCUR		0x0030	/* TXF current index */
282 #define B43_SHM_SH_EDCFQ		0x0240	/* EDCF Q info */
283 /* SHM_SHARED powersave mode related */
284 #define B43_SHM_SH_SLOTT		0x0010	/* Slot time */
285 #define B43_SHM_SH_DTIMPER		0x0012	/* DTIM period */
286 #define B43_SHM_SH_NOSLPZNATDTIM	0x004C	/* NOSLPZNAT DTIM */
287 /* SHM_SHARED beacon/AP variables */
288 #define B43_SHM_SH_BT_BASE0		0x0068	/* Beacon template base 0 */
289 #define B43_SHM_SH_BTL0			0x0018	/* Beacon template length 0 */
290 #define B43_SHM_SH_BT_BASE1		0x0468	/* Beacon template base 1 */
291 #define B43_SHM_SH_BTL1			0x001A	/* Beacon template length 1 */
292 #define B43_SHM_SH_BTSFOFF		0x001C	/* Beacon TSF offset */
293 #define B43_SHM_SH_TIMBPOS		0x001E	/* TIM B position in beacon */
294 #define B43_SHM_SH_DTIMP		0x0012	/* DTIP period */
295 #define B43_SHM_SH_MCASTCOOKIE		0x00A8	/* Last bcast/mcast frame ID */
296 #define B43_SHM_SH_SFFBLIM		0x0044	/* Short frame fallback retry limit */
297 #define B43_SHM_SH_LFFBLIM		0x0046	/* Long frame fallback retry limit */
298 #define B43_SHM_SH_BEACPHYCTL		0x0054	/* Beacon PHY TX control word (see PHY TX control) */
299 #define B43_SHM_SH_EXTNPHYCTL		0x00B0	/* Extended bytes for beacon PHY control (N) */
300 /* SHM_SHARED ACK/CTS control */
301 #define B43_SHM_SH_ACKCTSPHYCTL		0x0022	/* ACK/CTS PHY control word (see PHY TX control) */
302 /* SHM_SHARED probe response variables */
303 #define B43_SHM_SH_PRSSID		0x0160	/* Probe Response SSID */
304 #define B43_SHM_SH_PRSSIDLEN		0x0048	/* Probe Response SSID length */
305 #define B43_SHM_SH_PRTLEN		0x004A	/* Probe Response template length */
306 #define B43_SHM_SH_PRMAXTIME		0x0074	/* Probe Response max time */
307 #define B43_SHM_SH_PRPHYCTL		0x0188	/* Probe Response PHY TX control word */
308 /* SHM_SHARED rate tables */
309 #define B43_SHM_SH_OFDMDIRECT		0x01C0	/* Pointer to OFDM direct map */
310 #define B43_SHM_SH_OFDMBASIC		0x01E0	/* Pointer to OFDM basic rate map */
311 #define B43_SHM_SH_CCKDIRECT		0x0200	/* Pointer to CCK direct map */
312 #define B43_SHM_SH_CCKBASIC		0x0220	/* Pointer to CCK basic rate map */
313 /* SHM_SHARED microcode soft registers */
314 #define B43_SHM_SH_UCODEREV		0x0000	/* Microcode revision */
315 #define B43_SHM_SH_UCODEPATCH		0x0002	/* Microcode patchlevel */
316 #define B43_SHM_SH_UCODEDATE		0x0004	/* Microcode date */
317 #define B43_SHM_SH_UCODETIME		0x0006	/* Microcode time */
318 #define B43_SHM_SH_UCODESTAT		0x0040	/* Microcode debug status code */
319 #define  B43_SHM_SH_UCODESTAT_INVALID	0
320 #define  B43_SHM_SH_UCODESTAT_INIT	1
321 #define  B43_SHM_SH_UCODESTAT_ACTIVE	2
322 #define  B43_SHM_SH_UCODESTAT_SUSP	3	/* suspended */
323 #define  B43_SHM_SH_UCODESTAT_SLEEP	4	/* asleep (PS) */
324 #define B43_SHM_SH_MAXBFRAMES		0x0080	/* Maximum number of frames in a burst */
325 #define B43_SHM_SH_SPUWKUP		0x0094	/* pre-wakeup for synth PU in us */
326 #define B43_SHM_SH_PRETBTT		0x0096	/* pre-TBTT in us */
327 /* SHM_SHARED tx iq workarounds */
328 #define B43_SHM_SH_NPHY_TXIQW0		0x0700
329 #define B43_SHM_SH_NPHY_TXIQW1		0x0702
330 #define B43_SHM_SH_NPHY_TXIQW2		0x0704
331 #define B43_SHM_SH_NPHY_TXIQW3		0x0706
332 /* SHM_SHARED tx pwr ctrl */
333 #define B43_SHM_SH_NPHY_TXPWR_INDX0	0x0708
334 #define B43_SHM_SH_NPHY_TXPWR_INDX1	0x070E
335 
336 /* SHM_SCRATCH offsets */
337 #define B43_SHM_SC_MINCONT		0x0003	/* Minimum contention window */
338 #define B43_SHM_SC_MAXCONT		0x0004	/* Maximum contention window */
339 #define B43_SHM_SC_CURCONT		0x0005	/* Current contention window */
340 #define B43_SHM_SC_SRLIMIT		0x0006	/* Short retry count limit */
341 #define B43_SHM_SC_LRLIMIT		0x0007	/* Long retry count limit */
342 #define B43_SHM_SC_DTIMC		0x0008	/* Current DTIM count */
343 #define B43_SHM_SC_BTL0LEN		0x0015	/* Beacon 0 template length */
344 #define B43_SHM_SC_BTL1LEN		0x0016	/* Beacon 1 template length */
345 #define B43_SHM_SC_SCFB			0x0017	/* Short frame transmit count threshold for rate fallback */
346 #define B43_SHM_SC_LCFB			0x0018	/* Long frame transmit count threshold for rate fallback */
347 
348 /* Hardware Radio Enable masks */
349 #define B43_MMIO_RADIO_HWENABLED_HI_MASK (1 << 16)
350 #define B43_MMIO_RADIO_HWENABLED_LO_MASK (1 << 4)
351 
352 /* HostFlags. See b43_hf_read/write() */
353 #define B43_HF_ANTDIVHELP	0x000000000001ULL /* ucode antenna div helper */
354 #define B43_HF_SYMW		0x000000000002ULL /* G-PHY SYM workaround */
355 #define B43_HF_RXPULLW		0x000000000004ULL /* RX pullup workaround */
356 #define B43_HF_CCKBOOST		0x000000000008ULL /* 4dB CCK power boost (exclusive with OFDM boost) */
357 #define B43_HF_BTCOEX		0x000000000010ULL /* Bluetooth coexistance */
358 #define B43_HF_GDCW		0x000000000020ULL /* G-PHY DC canceller filter bw workaround */
359 #define B43_HF_OFDMPABOOST	0x000000000040ULL /* Enable PA gain boost for OFDM */
360 #define B43_HF_ACPR		0x000000000080ULL /* Disable for Japan, channel 14 */
361 #define B43_HF_EDCF		0x000000000100ULL /* on if WME and MAC suspended */
362 #define B43_HF_TSSIRPSMW	0x000000000200ULL /* TSSI reset PSM ucode workaround */
363 #define B43_HF_20IN40IQW	0x000000000200ULL /* 20 in 40 MHz I/Q workaround (rev >= 13 only) */
364 #define B43_HF_DSCRQ		0x000000000400ULL /* Disable slow clock request in ucode */
365 #define B43_HF_ACIW		0x000000000800ULL /* ACI workaround: shift bits by 2 on PHY CRS */
366 #define B43_HF_2060W		0x000000001000ULL /* 2060 radio workaround */
367 #define B43_HF_RADARW		0x000000002000ULL /* Radar workaround */
368 #define B43_HF_USEDEFKEYS	0x000000004000ULL /* Enable use of default keys */
369 #define B43_HF_AFTERBURNER	0x000000008000ULL /* Afterburner enabled */
370 #define B43_HF_BT4PRIOCOEX	0x000000010000ULL /* Bluetooth 4-priority coexistance */
371 #define B43_HF_FWKUP		0x000000020000ULL /* Fast wake-up ucode */
372 #define B43_HF_VCORECALC	0x000000040000ULL /* Force VCO recalculation when powering up synthpu */
373 #define B43_HF_PCISCW		0x000000080000ULL /* PCI slow clock workaround */
374 #define B43_HF_4318TSSI		0x000000200000ULL /* 4318 TSSI */
375 #define B43_HF_FBCMCFIFO	0x000000400000ULL /* Flush bcast/mcast FIFO immediately */
376 #define B43_HF_HWPCTL		0x000000800000ULL /* Enable hardwarre power control */
377 #define B43_HF_BTCOEXALT	0x000001000000ULL /* Bluetooth coexistance in alternate pins */
378 #define B43_HF_TXBTCHECK	0x000002000000ULL /* Bluetooth check during transmission */
379 #define B43_HF_SKCFPUP		0x000004000000ULL /* Skip CFP update */
380 #define B43_HF_N40W		0x000008000000ULL /* N PHY 40 MHz workaround (rev >= 13 only) */
381 #define B43_HF_ANTSEL		0x000020000000ULL /* Antenna selection (for testing antenna div.) */
382 #define B43_HF_BT3COEXT		0x000020000000ULL /* Bluetooth 3-wire coexistence (rev >= 13 only) */
383 #define B43_HF_BTCANT		0x000040000000ULL /* Bluetooth coexistence (antenna mode) (rev >= 13 only) */
384 #define B43_HF_ANTSELEN		0x000100000000ULL /* Antenna selection enabled (rev >= 13 only) */
385 #define B43_HF_ANTSELMODE	0x000200000000ULL /* Antenna selection mode (rev >= 13 only) */
386 #define B43_HF_MLADVW		0x001000000000ULL /* N PHY ML ADV workaround (rev >= 13 only) */
387 #define B43_HF_PR45960W		0x080000000000ULL /* PR 45960 workaround (rev >= 13 only) */
388 
389 /* Firmware capabilities field in SHM (Opensource firmware only) */
390 #define B43_FWCAPA_HWCRYPTO	0x0001
391 #define B43_FWCAPA_QOS		0x0002
392 
393 /* MacFilter offsets. */
394 #define B43_MACFILTER_SELF		0x0000
395 #define B43_MACFILTER_BSSID		0x0003
396 
397 /* PowerControl */
398 #define B43_PCTL_IN			0xB0
399 #define B43_PCTL_OUT			0xB4
400 #define B43_PCTL_OUTENABLE		0xB8
401 #define B43_PCTL_XTAL_POWERUP		0x40
402 #define B43_PCTL_PLL_POWERDOWN		0x80
403 
404 /* PowerControl Clock Modes */
405 #define B43_PCTL_CLK_FAST		0x00
406 #define B43_PCTL_CLK_SLOW		0x01
407 #define B43_PCTL_CLK_DYNAMIC		0x02
408 
409 #define B43_PCTL_FORCE_SLOW		0x0800
410 #define B43_PCTL_FORCE_PLL		0x1000
411 #define B43_PCTL_DYN_XTAL		0x2000
412 
413 /* PHYVersioning */
414 #define B43_PHYTYPE_A			0x00
415 #define B43_PHYTYPE_B			0x01
416 #define B43_PHYTYPE_G			0x02
417 #define B43_PHYTYPE_N			0x04
418 #define B43_PHYTYPE_LP			0x05
419 #define B43_PHYTYPE_SSLPN		0x06
420 #define B43_PHYTYPE_HT			0x07
421 #define B43_PHYTYPE_LCN			0x08
422 #define B43_PHYTYPE_LCNXN		0x09
423 #define B43_PHYTYPE_LCN40		0x0a
424 #define B43_PHYTYPE_AC			0x0b
425 
426 /* PHYRegisters */
427 #define B43_PHY_ILT_A_CTRL		0x0072
428 #define B43_PHY_ILT_A_DATA1		0x0073
429 #define B43_PHY_ILT_A_DATA2		0x0074
430 #define B43_PHY_G_LO_CONTROL		0x0810
431 #define B43_PHY_ILT_G_CTRL		0x0472
432 #define B43_PHY_ILT_G_DATA1		0x0473
433 #define B43_PHY_ILT_G_DATA2		0x0474
434 #define B43_PHY_A_PCTL			0x007B
435 #define B43_PHY_G_PCTL			0x0029
436 #define B43_PHY_A_CRS			0x0029
437 #define B43_PHY_RADIO_BITFIELD		0x0401
438 #define B43_PHY_G_CRS			0x0429
439 #define B43_PHY_NRSSILT_CTRL		0x0803
440 #define B43_PHY_NRSSILT_DATA		0x0804
441 
442 /* RadioRegisters */
443 #define B43_RADIOCTL_ID			0x01
444 
445 /* MAC Control bitfield */
446 #define B43_MACCTL_ENABLED		0x00000001	/* MAC Enabled */
447 #define B43_MACCTL_PSM_RUN		0x00000002	/* Run Microcode */
448 #define B43_MACCTL_PSM_JMP0		0x00000004	/* Microcode jump to 0 */
449 #define B43_MACCTL_SHM_ENABLED		0x00000100	/* SHM Enabled */
450 #define B43_MACCTL_SHM_UPPER		0x00000200	/* SHM Upper */
451 #define B43_MACCTL_IHR_ENABLED		0x00000400	/* IHR Region Enabled */
452 #define B43_MACCTL_PSM_DBG		0x00002000	/* Microcode debugging enabled */
453 #define B43_MACCTL_GPOUTSMSK		0x0000C000	/* GPOUT Select Mask */
454 #define B43_MACCTL_BE			0x00010000	/* Big Endian mode */
455 #define B43_MACCTL_INFRA		0x00020000	/* Infrastructure mode */
456 #define B43_MACCTL_AP			0x00040000	/* AccessPoint mode */
457 #define B43_MACCTL_RADIOLOCK		0x00080000	/* Radio lock */
458 #define B43_MACCTL_BEACPROMISC		0x00100000	/* Beacon Promiscuous */
459 #define B43_MACCTL_KEEP_BADPLCP		0x00200000	/* Keep frames with bad PLCP */
460 #define B43_MACCTL_KEEP_CTL		0x00400000	/* Keep control frames */
461 #define B43_MACCTL_KEEP_BAD		0x00800000	/* Keep bad frames (FCS) */
462 #define B43_MACCTL_PROMISC		0x01000000	/* Promiscuous mode */
463 #define B43_MACCTL_HWPS			0x02000000	/* Hardware Power Saving */
464 #define B43_MACCTL_AWAKE		0x04000000	/* Device is awake */
465 #define B43_MACCTL_CLOSEDNET		0x08000000	/* Closed net (no SSID bcast) */
466 #define B43_MACCTL_TBTTHOLD		0x10000000	/* TBTT Hold */
467 #define B43_MACCTL_DISCTXSTAT		0x20000000	/* Discard TX status */
468 #define B43_MACCTL_DISCPMQ		0x40000000	/* Discard Power Management Queue */
469 #define B43_MACCTL_GMODE		0x80000000	/* G Mode */
470 
471 /* MAC Command bitfield */
472 #define B43_MACCMD_BEACON0_VALID	0x00000001	/* Beacon 0 in template RAM is busy/valid */
473 #define B43_MACCMD_BEACON1_VALID	0x00000002	/* Beacon 1 in template RAM is busy/valid */
474 #define B43_MACCMD_DFQ_VALID		0x00000004	/* Directed frame queue valid (IBSS PS mode, ATIM) */
475 #define B43_MACCMD_CCA			0x00000008	/* Clear channel assessment */
476 #define B43_MACCMD_BGNOISE		0x00000010	/* Background noise */
477 
478 /* See BCMA_CLKCTLST_EXTRESREQ and BCMA_CLKCTLST_EXTRESST */
479 #define B43_BCMA_CLKCTLST_80211_PLL_REQ	0x00000100
480 #define B43_BCMA_CLKCTLST_PHY_PLL_REQ	0x00000200
481 #define B43_BCMA_CLKCTLST_80211_PLL_ST	0x01000000
482 #define B43_BCMA_CLKCTLST_PHY_PLL_ST	0x02000000
483 
484 /* BCMA 802.11 core specific IO Control (BCMA_IOCTL) flags */
485 #define B43_BCMA_IOCTL_PHY_CLKEN	0x00000004	/* PHY Clock Enable */
486 #define B43_BCMA_IOCTL_PHY_RESET	0x00000008	/* PHY Reset */
487 #define B43_BCMA_IOCTL_MACPHYCLKEN	0x00000010	/* MAC PHY Clock Control Enable */
488 #define B43_BCMA_IOCTL_PLLREFSEL	0x00000020	/* PLL Frequency Reference Select */
489 #define B43_BCMA_IOCTL_PHY_BW		0x000000C0	/* PHY band width and clock speed mask (N-PHY+ only?) */
490 #define  B43_BCMA_IOCTL_PHY_BW_10MHZ	0x00000000	/* 10 MHz bandwidth, 40 MHz PHY */
491 #define  B43_BCMA_IOCTL_PHY_BW_20MHZ	0x00000040	/* 20 MHz bandwidth, 80 MHz PHY */
492 #define  B43_BCMA_IOCTL_PHY_BW_40MHZ	0x00000080	/* 40 MHz bandwidth, 160 MHz PHY */
493 #define B43_BCMA_IOCTL_GMODE		0x00002000	/* G Mode Enable */
494 
495 /* BCMA 802.11 core specific IO status (BCMA_IOST) flags */
496 #define B43_BCMA_IOST_2G_PHY		0x00000001	/* 2.4G capable phy */
497 #define B43_BCMA_IOST_5G_PHY		0x00000002	/* 5G capable phy */
498 #define B43_BCMA_IOST_FASTCLKA		0x00000004	/* Fast Clock Available */
499 #define B43_BCMA_IOST_DUALB_PHY		0x00000008	/* Dualband phy */
500 
501 /* 802.11 core specific TM State Low (SSB_TMSLOW) flags */
502 #define B43_TMSLOW_GMODE		0x20000000	/* G Mode Enable */
503 #define B43_TMSLOW_PHY_BANDWIDTH	0x00C00000	/* PHY band width and clock speed mask (N-PHY only) */
504 #define  B43_TMSLOW_PHY_BANDWIDTH_10MHZ	0x00000000	/* 10 MHz bandwidth, 40 MHz PHY */
505 #define  B43_TMSLOW_PHY_BANDWIDTH_20MHZ	0x00400000	/* 20 MHz bandwidth, 80 MHz PHY */
506 #define  B43_TMSLOW_PHY_BANDWIDTH_40MHZ	0x00800000	/* 40 MHz bandwidth, 160 MHz PHY */
507 #define B43_TMSLOW_PLLREFSEL		0x00200000	/* PLL Frequency Reference Select (rev >= 5) */
508 #define B43_TMSLOW_MACPHYCLKEN		0x00100000	/* MAC PHY Clock Control Enable (rev >= 5) */
509 #define B43_TMSLOW_PHYRESET		0x00080000	/* PHY Reset */
510 #define B43_TMSLOW_PHYCLKEN		0x00040000	/* PHY Clock Enable */
511 
512 /* 802.11 core specific TM State High (SSB_TMSHIGH) flags */
513 #define B43_TMSHIGH_DUALBAND_PHY	0x00080000	/* Dualband PHY available */
514 #define B43_TMSHIGH_FCLOCK		0x00040000	/* Fast Clock Available (rev >= 5) */
515 #define B43_TMSHIGH_HAVE_5GHZ_PHY	0x00020000	/* 5 GHz PHY available (rev >= 5) */
516 #define B43_TMSHIGH_HAVE_2GHZ_PHY	0x00010000	/* 2.4 GHz PHY available (rev >= 5) */
517 
518 /* Generic-Interrupt reasons. */
519 #define B43_IRQ_MAC_SUSPENDED		0x00000001
520 #define B43_IRQ_BEACON			0x00000002
521 #define B43_IRQ_TBTT_INDI		0x00000004
522 #define B43_IRQ_BEACON_TX_OK		0x00000008
523 #define B43_IRQ_BEACON_CANCEL		0x00000010
524 #define B43_IRQ_ATIM_END		0x00000020
525 #define B43_IRQ_PMQ			0x00000040
526 #define B43_IRQ_PIO_WORKAROUND		0x00000100
527 #define B43_IRQ_MAC_TXERR		0x00000200
528 #define B43_IRQ_PHY_TXERR		0x00000800
529 #define B43_IRQ_PMEVENT			0x00001000
530 #define B43_IRQ_TIMER0			0x00002000
531 #define B43_IRQ_TIMER1			0x00004000
532 #define B43_IRQ_DMA			0x00008000
533 #define B43_IRQ_TXFIFO_FLUSH_OK		0x00010000
534 #define B43_IRQ_CCA_MEASURE_OK		0x00020000
535 #define B43_IRQ_NOISESAMPLE_OK		0x00040000
536 #define B43_IRQ_UCODE_DEBUG		0x08000000
537 #define B43_IRQ_RFKILL			0x10000000
538 #define B43_IRQ_TX_OK			0x20000000
539 #define B43_IRQ_PHY_G_CHANGED		0x40000000
540 #define B43_IRQ_TIMEOUT			0x80000000
541 
542 #define B43_IRQ_ALL			0xFFFFFFFF
543 #define B43_IRQ_MASKTEMPLATE		(B43_IRQ_TBTT_INDI | \
544 					 B43_IRQ_ATIM_END | \
545 					 B43_IRQ_PMQ | \
546 					 B43_IRQ_MAC_TXERR | \
547 					 B43_IRQ_PHY_TXERR | \
548 					 B43_IRQ_DMA | \
549 					 B43_IRQ_TXFIFO_FLUSH_OK | \
550 					 B43_IRQ_NOISESAMPLE_OK | \
551 					 B43_IRQ_UCODE_DEBUG | \
552 					 B43_IRQ_RFKILL | \
553 					 B43_IRQ_TX_OK)
554 
555 /* The firmware register to fetch the debug-IRQ reason from. */
556 #define B43_DEBUGIRQ_REASON_REG		63
557 /* Debug-IRQ reasons. */
558 #define B43_DEBUGIRQ_PANIC		0	/* The firmware panic'ed */
559 #define B43_DEBUGIRQ_DUMP_SHM		1	/* Dump shared SHM */
560 #define B43_DEBUGIRQ_DUMP_REGS		2	/* Dump the microcode registers */
561 #define B43_DEBUGIRQ_MARKER		3	/* A "marker" was thrown by the firmware. */
562 #define B43_DEBUGIRQ_ACK		0xFFFF	/* The host writes that to ACK the IRQ */
563 
564 /* The firmware register that contains the "marker" line. */
565 #define B43_MARKER_ID_REG		2
566 #define B43_MARKER_LINE_REG		3
567 
568 /* The firmware register to fetch the panic reason from. */
569 #define B43_FWPANIC_REASON_REG		3
570 /* Firmware panic reason codes */
571 #define B43_FWPANIC_DIE			0 /* Firmware died. Don't auto-restart it. */
572 #define B43_FWPANIC_RESTART		1 /* Firmware died. Schedule a controller reset. */
573 
574 /* The firmware register that contains the watchdog counter. */
575 #define B43_WATCHDOG_REG		1
576 
577 /* Device specific rate values.
578  * The actual values defined here are (rate_in_mbps * 2).
579  * Some code depends on this. Don't change it. */
580 #define B43_CCK_RATE_1MB		0x02
581 #define B43_CCK_RATE_2MB		0x04
582 #define B43_CCK_RATE_5MB		0x0B
583 #define B43_CCK_RATE_11MB		0x16
584 #define B43_OFDM_RATE_6MB		0x0C
585 #define B43_OFDM_RATE_9MB		0x12
586 #define B43_OFDM_RATE_12MB		0x18
587 #define B43_OFDM_RATE_18MB		0x24
588 #define B43_OFDM_RATE_24MB		0x30
589 #define B43_OFDM_RATE_36MB		0x48
590 #define B43_OFDM_RATE_48MB		0x60
591 #define B43_OFDM_RATE_54MB		0x6C
592 /* Convert a b43 rate value to a rate in 100kbps */
593 #define B43_RATE_TO_BASE100KBPS(rate)	(((rate) * 10) / 2)
594 
595 #define B43_DEFAULT_SHORT_RETRY_LIMIT	7
596 #define B43_DEFAULT_LONG_RETRY_LIMIT	4
597 
598 #define B43_PHY_TX_BADNESS_LIMIT	1000
599 
600 /* Max size of a security key */
601 #define B43_SEC_KEYSIZE			16
602 /* Max number of group keys */
603 #define B43_NR_GROUP_KEYS		4
604 /* Max number of pairwise keys */
605 #define B43_NR_PAIRWISE_KEYS		50
606 /* Security algorithms. */
607 enum {
608 	B43_SEC_ALGO_NONE = 0,	/* unencrypted, as of TX header. */
609 	B43_SEC_ALGO_WEP40,
610 	B43_SEC_ALGO_TKIP,
611 	B43_SEC_ALGO_AES,
612 	B43_SEC_ALGO_WEP104,
613 	B43_SEC_ALGO_AES_LEGACY,
614 };
615 
616 struct b43_dmaring;
617 
618 /* The firmware file header */
619 #define B43_FW_TYPE_UCODE	'u'
620 #define B43_FW_TYPE_PCM		'p'
621 #define B43_FW_TYPE_IV		'i'
622 struct b43_fw_header {
623 	/* File type */
624 	u8 type;
625 	/* File format version */
626 	u8 ver;
627 	u8 __padding[2];
628 	/* Size of the data. For ucode and PCM this is in bytes.
629 	 * For IV this is number-of-ivs. */
630 	__be32 size;
631 } __packed;
632 
633 /* Initial Value file format */
634 #define B43_IV_OFFSET_MASK	0x7FFF
635 #define B43_IV_32BIT		0x8000
636 struct b43_iv {
637 	__be16 offset_size;
638 	union {
639 		__be16 d16;
640 		__be32 d32;
641 	} data __packed;
642 } __packed;
643 
644 
645 /* Data structures for DMA transmission, per 80211 core. */
646 struct b43_dma {
647 	struct b43_dmaring *tx_ring_AC_BK; /* Background */
648 	struct b43_dmaring *tx_ring_AC_BE; /* Best Effort */
649 	struct b43_dmaring *tx_ring_AC_VI; /* Video */
650 	struct b43_dmaring *tx_ring_AC_VO; /* Voice */
651 	struct b43_dmaring *tx_ring_mcast; /* Multicast */
652 
653 	struct b43_dmaring *rx_ring;
654 
655 	u32 translation; /* Routing bits */
656 	bool translation_in_low; /* Should translation bit go into low addr? */
657 	bool parity; /* Check for parity */
658 };
659 
660 struct b43_pio_txqueue;
661 struct b43_pio_rxqueue;
662 
663 /* Data structures for PIO transmission, per 80211 core. */
664 struct b43_pio {
665 	struct b43_pio_txqueue *tx_queue_AC_BK; /* Background */
666 	struct b43_pio_txqueue *tx_queue_AC_BE; /* Best Effort */
667 	struct b43_pio_txqueue *tx_queue_AC_VI; /* Video */
668 	struct b43_pio_txqueue *tx_queue_AC_VO; /* Voice */
669 	struct b43_pio_txqueue *tx_queue_mcast; /* Multicast */
670 
671 	struct b43_pio_rxqueue *rx_queue;
672 };
673 
674 /* Context information for a noise calculation (Link Quality). */
675 struct b43_noise_calculation {
676 	bool calculation_running;
677 	u8 nr_samples;
678 	s8 samples[8][4];
679 };
680 
681 struct b43_stats {
682 	u8 link_noise;
683 };
684 
685 struct b43_key {
686 	/* If keyconf is NULL, this key is disabled.
687 	 * keyconf is a cookie. Don't derefenrence it outside of the set_key
688 	 * path, because b43 doesn't own it. */
689 	struct ieee80211_key_conf *keyconf;
690 	u8 algorithm;
691 };
692 
693 /* SHM offsets to the QOS data structures for the 4 different queues. */
694 #define B43_QOS_QUEUE_NUM	4
695 #define B43_QOS_PARAMS(queue)	(B43_SHM_SH_EDCFQ + \
696 				 (B43_NR_QOSPARAMS * sizeof(u16) * (queue)))
697 #define B43_QOS_BACKGROUND	B43_QOS_PARAMS(0)
698 #define B43_QOS_BESTEFFORT	B43_QOS_PARAMS(1)
699 #define B43_QOS_VIDEO		B43_QOS_PARAMS(2)
700 #define B43_QOS_VOICE		B43_QOS_PARAMS(3)
701 
702 /* QOS parameter hardware data structure offsets. */
703 #define B43_NR_QOSPARAMS	16
704 enum {
705 	B43_QOSPARAM_TXOP = 0,
706 	B43_QOSPARAM_CWMIN,
707 	B43_QOSPARAM_CWMAX,
708 	B43_QOSPARAM_CWCUR,
709 	B43_QOSPARAM_AIFS,
710 	B43_QOSPARAM_BSLOTS,
711 	B43_QOSPARAM_REGGAP,
712 	B43_QOSPARAM_STATUS,
713 };
714 
715 /* QOS parameters for a queue. */
716 struct b43_qos_params {
717 	/* The QOS parameters */
718 	struct ieee80211_tx_queue_params p;
719 };
720 
721 struct b43_wl;
722 
723 /* The type of the firmware file. */
724 enum b43_firmware_file_type {
725 	B43_FWTYPE_PROPRIETARY,
726 	B43_FWTYPE_OPENSOURCE,
727 	B43_NR_FWTYPES,
728 };
729 
730 /* Context data for fetching firmware. */
731 struct b43_request_fw_context {
732 	/* The device we are requesting the fw for. */
733 	struct b43_wldev *dev;
734 	/* a completion event structure needed if this call is asynchronous */
735 	struct completion fw_load_complete;
736 	/* a pointer to the firmware object */
737 	const struct firmware *blob;
738 	/* The type of firmware to request. */
739 	enum b43_firmware_file_type req_type;
740 	/* Error messages for each firmware type. */
741 	char errors[B43_NR_FWTYPES][128];
742 	/* Temporary buffer for storing the firmware name. */
743 	char fwname[64];
744 	/* A fatal error occurred while requesting. Firmware request
745 	 * can not continue, as any other request will also fail. */
746 	int fatal_failure;
747 };
748 
749 /* In-memory representation of a cached microcode file. */
750 struct b43_firmware_file {
751 	const char *filename;
752 	const struct firmware *data;
753 	/* Type of the firmware file name. Note that this does only indicate
754 	 * the type by the firmware name. NOT the file contents.
755 	 * If you want to check for proprietary vs opensource, use (struct b43_firmware)->opensource
756 	 * instead! The (struct b43_firmware)->opensource flag is derived from the actual firmware
757 	 * binary code, not just the filename.
758 	 */
759 	enum b43_firmware_file_type type;
760 };
761 
762 enum b43_firmware_hdr_format {
763 	B43_FW_HDR_598,
764 	B43_FW_HDR_410,
765 	B43_FW_HDR_351,
766 };
767 
768 /* Pointers to the firmware data and meta information about it. */
769 struct b43_firmware {
770 	/* Microcode */
771 	struct b43_firmware_file ucode;
772 	/* PCM code */
773 	struct b43_firmware_file pcm;
774 	/* Initial MMIO values for the firmware */
775 	struct b43_firmware_file initvals;
776 	/* Initial MMIO values for the firmware, band-specific */
777 	struct b43_firmware_file initvals_band;
778 
779 	/* Firmware revision */
780 	u16 rev;
781 	/* Firmware patchlevel */
782 	u16 patch;
783 
784 	/* Format of header used by firmware */
785 	enum b43_firmware_hdr_format hdr_format;
786 
787 	/* Set to true, if we are using an opensource firmware.
788 	 * Use this to check for proprietary vs opensource. */
789 	bool opensource;
790 	/* Set to true, if the core needs a PCM firmware, but
791 	 * we failed to load one. This is always false for
792 	 * core rev > 10, as these don't need PCM firmware. */
793 	bool pcm_request_failed;
794 };
795 
796 /* Device (802.11 core) initialization status. */
797 enum {
798 	B43_STAT_UNINIT = 0,	/* Uninitialized. */
799 	B43_STAT_INITIALIZED = 1,	/* Initialized, but not started, yet. */
800 	B43_STAT_STARTED = 2,	/* Up and running. */
801 };
802 #define b43_status(wldev)		atomic_read(&(wldev)->__init_status)
803 #define b43_set_status(wldev, stat)	do {			\
804 		atomic_set(&(wldev)->__init_status, (stat));	\
805 		smp_wmb();					\
806 					} while (0)
807 
808 /* Data structure for one wireless device (802.11 core) */
809 struct b43_wldev {
810 	struct b43_bus_dev *dev;
811 	struct b43_wl *wl;
812 
813 	/* The device initialization status.
814 	 * Use b43_status() to query. */
815 	atomic_t __init_status;
816 
817 	bool bad_frames_preempt;	/* Use "Bad Frames Preemption" (default off) */
818 	bool dfq_valid;		/* Directed frame queue valid (IBSS PS mode, ATIM) */
819 	bool radio_hw_enable;	/* saved state of radio hardware enabled state */
820 	bool qos_enabled;		/* TRUE, if QoS is used. */
821 	bool hwcrypto_enabled;		/* TRUE, if HW crypto acceleration is enabled. */
822 	bool use_pio;			/* TRUE if next init should use PIO */
823 
824 	/* PHY/Radio device. */
825 	struct b43_phy phy;
826 
827 	union {
828 		/* DMA engines. */
829 		struct b43_dma dma;
830 		/* PIO engines. */
831 		struct b43_pio pio;
832 	};
833 	/* Use b43_using_pio_transfers() to check whether we are using
834 	 * DMA or PIO data transfers. */
835 	bool __using_pio_transfers;
836 
837 	/* Various statistics about the physical device. */
838 	struct b43_stats stats;
839 
840 	/* Reason code of the last interrupt. */
841 	u32 irq_reason;
842 	u32 dma_reason[6];
843 	/* The currently active generic-interrupt mask. */
844 	u32 irq_mask;
845 
846 	/* Link Quality calculation context. */
847 	struct b43_noise_calculation noisecalc;
848 	/* if > 0 MAC is suspended. if == 0 MAC is enabled. */
849 	int mac_suspended;
850 
851 	/* Periodic tasks */
852 	struct delayed_work periodic_work;
853 	unsigned int periodic_state;
854 
855 	struct work_struct restart_work;
856 
857 	/* encryption/decryption */
858 	u16 ktp;		/* Key table pointer */
859 	struct b43_key key[B43_NR_GROUP_KEYS * 2 + B43_NR_PAIRWISE_KEYS];
860 
861 	/* Firmware data */
862 	struct b43_firmware fw;
863 
864 	/* Devicelist in struct b43_wl (all 802.11 cores) */
865 	struct list_head list;
866 
867 	/* Debugging stuff follows. */
868 #ifdef CONFIG_B43_DEBUG
869 	struct b43_dfsentry *dfsentry;
870 	unsigned int irq_count;
871 	unsigned int irq_bit_count[32];
872 	unsigned int tx_count;
873 	unsigned int rx_count;
874 #endif
875 };
876 
877 /* Data structure for the WLAN parts (802.11 cores) of the b43 chip. */
878 struct b43_wl {
879 	/* Pointer to the active wireless device on this chip */
880 	struct b43_wldev *current_dev;
881 	/* Pointer to the ieee80211 hardware data structure */
882 	struct ieee80211_hw *hw;
883 
884 	/* Global driver mutex. Every operation must run with this mutex locked. */
885 	struct mutex mutex;
886 	/* Hard-IRQ spinlock. This lock protects things used in the hard-IRQ
887 	 * handler, only. This basically is just the IRQ mask register. */
888 	spinlock_t hardirq_lock;
889 
890 	/* Set this if we call ieee80211_register_hw() and check if we call
891 	 * ieee80211_unregister_hw(). */
892 	bool hw_registred;
893 
894 	/* We can only have one operating interface (802.11 core)
895 	 * at a time. General information about this interface follows.
896 	 */
897 
898 	struct ieee80211_vif *vif;
899 	/* The MAC address of the operating interface. */
900 	u8 mac_addr[ETH_ALEN];
901 	/* Current BSSID */
902 	u8 bssid[ETH_ALEN];
903 	/* Interface type. (NL80211_IFTYPE_XXX) */
904 	int if_type;
905 	/* Is the card operating in AP, STA or IBSS mode? */
906 	bool operating;
907 	/* filter flags */
908 	unsigned int filter_flags;
909 	/* Stats about the wireless interface */
910 	struct ieee80211_low_level_stats ieee_stats;
911 
912 #ifdef CONFIG_B43_HWRNG
913 	struct hwrng rng;
914 	bool rng_initialized;
915 	char rng_name[30 + 1];
916 #endif /* CONFIG_B43_HWRNG */
917 
918 	/* List of all wireless devices on this chip */
919 	struct list_head devlist;
920 	u8 nr_devs;
921 
922 	bool radiotap_enabled;
923 	bool radio_enabled;
924 
925 	/* The beacon we are currently using (AP or IBSS mode). */
926 	struct sk_buff *current_beacon;
927 	bool beacon0_uploaded;
928 	bool beacon1_uploaded;
929 	bool beacon_templates_virgin; /* Never wrote the templates? */
930 	struct work_struct beacon_update_trigger;
931 
932 	/* The current QOS parameters for the 4 queues. */
933 	struct b43_qos_params qos_params[B43_QOS_QUEUE_NUM];
934 
935 	/* Work for adjustment of the transmission power.
936 	 * This is scheduled when we determine that the actual TX output
937 	 * power doesn't match what we want. */
938 	struct work_struct txpower_adjust_work;
939 
940 	/* Packet transmit work */
941 	struct work_struct tx_work;
942 
943 	/* Queue of packets to be transmitted. */
944 	struct sk_buff_head tx_queue[B43_QOS_QUEUE_NUM];
945 
946 	/* Flag that implement the queues stopping. */
947 	bool tx_queue_stopped[B43_QOS_QUEUE_NUM];
948 
949 	/* firmware loading work */
950 	struct work_struct firmware_load;
951 
952 	/* The device LEDs. */
953 	struct b43_leds leds;
954 
955 	/* Kmalloc'ed scratch space for PIO TX/RX. Protected by wl->mutex. */
956 	u8 pio_scratchspace[118] __attribute__((__aligned__(8)));
957 	u8 pio_tailspace[4] __attribute__((__aligned__(8)));
958 };
959 
hw_to_b43_wl(struct ieee80211_hw * hw)960 static inline struct b43_wl *hw_to_b43_wl(struct ieee80211_hw *hw)
961 {
962 	return hw->priv;
963 }
964 
dev_to_b43_wldev(struct device * dev)965 static inline struct b43_wldev *dev_to_b43_wldev(struct device *dev)
966 {
967 	struct ssb_device *ssb_dev = dev_to_ssb_dev(dev);
968 	return ssb_get_drvdata(ssb_dev);
969 }
970 
971 /* Is the device operating in a specified mode (NL80211_IFTYPE_XXX). */
b43_is_mode(struct b43_wl * wl,int type)972 static inline int b43_is_mode(struct b43_wl *wl, int type)
973 {
974 	return (wl->operating && wl->if_type == type);
975 }
976 
977 /**
978  * b43_current_band - Returns the currently used band.
979  * Returns one of IEEE80211_BAND_2GHZ and IEEE80211_BAND_5GHZ.
980  */
b43_current_band(struct b43_wl * wl)981 static inline enum ieee80211_band b43_current_band(struct b43_wl *wl)
982 {
983 	return wl->hw->conf.chandef.chan->band;
984 }
985 
b43_bus_may_powerdown(struct b43_wldev * wldev)986 static inline int b43_bus_may_powerdown(struct b43_wldev *wldev)
987 {
988 	return wldev->dev->bus_may_powerdown(wldev->dev);
989 }
b43_bus_powerup(struct b43_wldev * wldev,bool dynamic_pctl)990 static inline int b43_bus_powerup(struct b43_wldev *wldev, bool dynamic_pctl)
991 {
992 	return wldev->dev->bus_powerup(wldev->dev, dynamic_pctl);
993 }
b43_device_is_enabled(struct b43_wldev * wldev)994 static inline int b43_device_is_enabled(struct b43_wldev *wldev)
995 {
996 	return wldev->dev->device_is_enabled(wldev->dev);
997 }
b43_device_enable(struct b43_wldev * wldev,u32 core_specific_flags)998 static inline void b43_device_enable(struct b43_wldev *wldev,
999 				     u32 core_specific_flags)
1000 {
1001 	wldev->dev->device_enable(wldev->dev, core_specific_flags);
1002 }
b43_device_disable(struct b43_wldev * wldev,u32 core_specific_flags)1003 static inline void b43_device_disable(struct b43_wldev *wldev,
1004 				      u32 core_specific_flags)
1005 {
1006 	wldev->dev->device_disable(wldev->dev, core_specific_flags);
1007 }
1008 
b43_read16(struct b43_wldev * dev,u16 offset)1009 static inline u16 b43_read16(struct b43_wldev *dev, u16 offset)
1010 {
1011 	return dev->dev->read16(dev->dev, offset);
1012 }
1013 
b43_write16(struct b43_wldev * dev,u16 offset,u16 value)1014 static inline void b43_write16(struct b43_wldev *dev, u16 offset, u16 value)
1015 {
1016 	dev->dev->write16(dev->dev, offset, value);
1017 }
1018 
b43_maskset16(struct b43_wldev * dev,u16 offset,u16 mask,u16 set)1019 static inline void b43_maskset16(struct b43_wldev *dev, u16 offset, u16 mask,
1020 				 u16 set)
1021 {
1022 	b43_write16(dev, offset, (b43_read16(dev, offset) & mask) | set);
1023 }
1024 
b43_read32(struct b43_wldev * dev,u16 offset)1025 static inline u32 b43_read32(struct b43_wldev *dev, u16 offset)
1026 {
1027 	return dev->dev->read32(dev->dev, offset);
1028 }
1029 
b43_write32(struct b43_wldev * dev,u16 offset,u32 value)1030 static inline void b43_write32(struct b43_wldev *dev, u16 offset, u32 value)
1031 {
1032 	dev->dev->write32(dev->dev, offset, value);
1033 }
1034 
b43_maskset32(struct b43_wldev * dev,u16 offset,u32 mask,u32 set)1035 static inline void b43_maskset32(struct b43_wldev *dev, u16 offset, u32 mask,
1036 				 u32 set)
1037 {
1038 	b43_write32(dev, offset, (b43_read32(dev, offset) & mask) | set);
1039 }
1040 
b43_block_read(struct b43_wldev * dev,void * buffer,size_t count,u16 offset,u8 reg_width)1041 static inline void b43_block_read(struct b43_wldev *dev, void *buffer,
1042 				 size_t count, u16 offset, u8 reg_width)
1043 {
1044 	dev->dev->block_read(dev->dev, buffer, count, offset, reg_width);
1045 }
1046 
b43_block_write(struct b43_wldev * dev,const void * buffer,size_t count,u16 offset,u8 reg_width)1047 static inline void b43_block_write(struct b43_wldev *dev, const void *buffer,
1048 				   size_t count, u16 offset, u8 reg_width)
1049 {
1050 	dev->dev->block_write(dev->dev, buffer, count, offset, reg_width);
1051 }
1052 
b43_using_pio_transfers(struct b43_wldev * dev)1053 static inline bool b43_using_pio_transfers(struct b43_wldev *dev)
1054 {
1055 	return dev->__using_pio_transfers;
1056 }
1057 
1058 /* Message printing */
1059 __printf(2, 3) void b43info(struct b43_wl *wl, const char *fmt, ...);
1060 __printf(2, 3) void b43err(struct b43_wl *wl, const char *fmt, ...);
1061 __printf(2, 3) void b43warn(struct b43_wl *wl, const char *fmt, ...);
1062 __printf(2, 3) void b43dbg(struct b43_wl *wl, const char *fmt, ...);
1063 
1064 
1065 /* A WARN_ON variant that vanishes when b43 debugging is disabled.
1066  * This _also_ evaluates the arg with debugging disabled. */
1067 #if B43_DEBUG
1068 # define B43_WARN_ON(x)	WARN_ON(x)
1069 #else
__b43_warn_on_dummy(bool x)1070 static inline bool __b43_warn_on_dummy(bool x) { return x; }
1071 # define B43_WARN_ON(x)	__b43_warn_on_dummy(unlikely(!!(x)))
1072 #endif
1073 
1074 /* Convert an integer to a Q5.2 value */
1075 #define INT_TO_Q52(i)	((i) << 2)
1076 /* Convert a Q5.2 value to an integer (precision loss!) */
1077 #define Q52_TO_INT(q52)	((q52) >> 2)
1078 /* Macros for printing a value in Q5.2 format */
1079 #define Q52_FMT		"%u.%u"
1080 #define Q52_ARG(q52)	Q52_TO_INT(q52), ((((q52) & 0x3) * 100) / 4)
1081 
1082 #endif /* B43_H_ */
1083