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_MAC_HW_CAP		0x15C	/* MAC capabilities (corerev >= 13) */
49 #define B43_MMIO_SHM_CONTROL		0x160
50 #define B43_MMIO_SHM_DATA		0x164
51 #define B43_MMIO_SHM_DATA_UNALIGNED	0x166
52 #define B43_MMIO_XMITSTAT_0		0x170
53 #define B43_MMIO_XMITSTAT_1		0x174
54 #define B43_MMIO_REV3PLUS_TSF_LOW	0x180	/* core rev >= 3 only */
55 #define B43_MMIO_REV3PLUS_TSF_HIGH	0x184	/* core rev >= 3 only */
56 #define B43_MMIO_TSF_CFP_REP		0x188
57 #define B43_MMIO_TSF_CFP_START		0x18C
58 #define B43_MMIO_TSF_CFP_MAXDUR		0x190
59 
60 /* 32-bit DMA */
61 #define B43_MMIO_DMA32_BASE0		0x200
62 #define B43_MMIO_DMA32_BASE1		0x220
63 #define B43_MMIO_DMA32_BASE2		0x240
64 #define B43_MMIO_DMA32_BASE3		0x260
65 #define B43_MMIO_DMA32_BASE4		0x280
66 #define B43_MMIO_DMA32_BASE5		0x2A0
67 /* 64-bit DMA */
68 #define B43_MMIO_DMA64_BASE0		0x200
69 #define B43_MMIO_DMA64_BASE1		0x240
70 #define B43_MMIO_DMA64_BASE2		0x280
71 #define B43_MMIO_DMA64_BASE3		0x2C0
72 #define B43_MMIO_DMA64_BASE4		0x300
73 #define B43_MMIO_DMA64_BASE5		0x340
74 
75 /* PIO on core rev < 11 */
76 #define B43_MMIO_PIO_BASE0		0x300
77 #define B43_MMIO_PIO_BASE1		0x310
78 #define B43_MMIO_PIO_BASE2		0x320
79 #define B43_MMIO_PIO_BASE3		0x330
80 #define B43_MMIO_PIO_BASE4		0x340
81 #define B43_MMIO_PIO_BASE5		0x350
82 #define B43_MMIO_PIO_BASE6		0x360
83 #define B43_MMIO_PIO_BASE7		0x370
84 /* PIO on core rev >= 11 */
85 #define B43_MMIO_PIO11_BASE0		0x200
86 #define B43_MMIO_PIO11_BASE1		0x240
87 #define B43_MMIO_PIO11_BASE2		0x280
88 #define B43_MMIO_PIO11_BASE3		0x2C0
89 #define B43_MMIO_PIO11_BASE4		0x300
90 #define B43_MMIO_PIO11_BASE5		0x340
91 
92 #define B43_MMIO_RADIO24_CONTROL	0x3D8	/* core rev >= 24 only */
93 #define B43_MMIO_RADIO24_DATA		0x3DA	/* core rev >= 24 only */
94 #define B43_MMIO_PHY_VER		0x3E0
95 #define B43_MMIO_PHY_RADIO		0x3E2
96 #define B43_MMIO_PHY0			0x3E6
97 #define B43_MMIO_ANTENNA		0x3E8
98 #define B43_MMIO_CHANNEL		0x3F0
99 #define B43_MMIO_CHANNEL_EXT		0x3F4
100 #define B43_MMIO_RADIO_CONTROL		0x3F6
101 #define B43_MMIO_RADIO_DATA_HIGH	0x3F8
102 #define B43_MMIO_RADIO_DATA_LOW		0x3FA
103 #define B43_MMIO_PHY_CONTROL		0x3FC
104 #define B43_MMIO_PHY_DATA		0x3FE
105 #define B43_MMIO_MACFILTER_CONTROL	0x420
106 #define B43_MMIO_MACFILTER_DATA		0x422
107 #define B43_MMIO_RCMTA_COUNT		0x43C
108 #define B43_MMIO_PSM_PHY_HDR		0x492
109 #define B43_MMIO_RADIO_HWENABLED_LO	0x49A
110 #define B43_MMIO_GPIO_CONTROL		0x49C
111 #define B43_MMIO_GPIO_MASK		0x49E
112 #define B43_MMIO_TXE0_CTL		0x500
113 #define B43_MMIO_TXE0_AUX		0x502
114 #define B43_MMIO_TXE0_TS_LOC		0x504
115 #define B43_MMIO_TXE0_TIME_OUT		0x506
116 #define B43_MMIO_TXE0_WM_0		0x508
117 #define B43_MMIO_TXE0_WM_1		0x50A
118 #define B43_MMIO_TXE0_PHYCTL		0x50C
119 #define B43_MMIO_TXE0_STATUS		0x50E
120 #define B43_MMIO_TXE0_MMPLCP0		0x510
121 #define B43_MMIO_TXE0_MMPLCP1		0x512
122 #define B43_MMIO_TXE0_PHYCTL1		0x514
123 #define B43_MMIO_XMTFIFODEF		0x520
124 #define B43_MMIO_XMTFIFO_FRAME_CNT	0x522	/* core rev>= 16 only */
125 #define B43_MMIO_XMTFIFO_BYTE_CNT	0x524	/* core rev>= 16 only */
126 #define B43_MMIO_XMTFIFO_HEAD		0x526	/* core rev>= 16 only */
127 #define B43_MMIO_XMTFIFO_RD_PTR		0x528	/* core rev>= 16 only */
128 #define B43_MMIO_XMTFIFO_WR_PTR		0x52A	/* core rev>= 16 only */
129 #define B43_MMIO_XMTFIFODEF1		0x52C	/* core rev>= 16 only */
130 #define B43_MMIO_XMTFIFOCMD		0x540
131 #define B43_MMIO_XMTFIFOFLUSH		0x542
132 #define B43_MMIO_XMTFIFOTHRESH		0x544
133 #define B43_MMIO_XMTFIFORDY		0x546
134 #define B43_MMIO_XMTFIFOPRIRDY		0x548
135 #define B43_MMIO_XMTFIFORQPRI		0x54A
136 #define B43_MMIO_XMTTPLATETXPTR		0x54C
137 #define B43_MMIO_XMTTPLATEPTR		0x550
138 #define B43_MMIO_SMPL_CLCT_STRPTR	0x552	/* core rev>= 22 only */
139 #define B43_MMIO_SMPL_CLCT_STPPTR	0x554	/* core rev>= 22 only */
140 #define B43_MMIO_SMPL_CLCT_CURPTR	0x556	/* core rev>= 22 only */
141 #define B43_MMIO_XMTTPLATEDATALO	0x560
142 #define B43_MMIO_XMTTPLATEDATAHI	0x562
143 #define B43_MMIO_XMTSEL			0x568
144 #define B43_MMIO_XMTTXCNT		0x56A
145 #define B43_MMIO_XMTTXSHMADDR		0x56C
146 #define B43_MMIO_TSF_CFP_START_LOW	0x604
147 #define B43_MMIO_TSF_CFP_START_HIGH	0x606
148 #define B43_MMIO_TSF_CFP_PRETBTT	0x612
149 #define B43_MMIO_TSF_CLK_FRAC_LOW	0x62E
150 #define B43_MMIO_TSF_CLK_FRAC_HIGH	0x630
151 #define B43_MMIO_TSF_0			0x632	/* core rev < 3 only */
152 #define B43_MMIO_TSF_1			0x634	/* core rev < 3 only */
153 #define B43_MMIO_TSF_2			0x636	/* core rev < 3 only */
154 #define B43_MMIO_TSF_3			0x638	/* core rev < 3 only */
155 #define B43_MMIO_RNG			0x65A
156 #define B43_MMIO_IFSSLOT		0x684	/* Interframe slot time */
157 #define B43_MMIO_IFSCTL			0x688	/* Interframe space control */
158 #define B43_MMIO_IFSSTAT		0x690
159 #define B43_MMIO_IFSMEDBUSYCTL		0x692
160 #define B43_MMIO_IFTXDUR		0x694
161 #define  B43_MMIO_IFSCTL_USE_EDCF	0x0004
162 #define B43_MMIO_POWERUP_DELAY		0x6A8
163 #define B43_MMIO_BTCOEX_CTL		0x6B4 /* Bluetooth Coexistence Control */
164 #define B43_MMIO_BTCOEX_STAT		0x6B6 /* Bluetooth Coexistence Status */
165 #define B43_MMIO_BTCOEX_TXCTL		0x6B8 /* Bluetooth Coexistence Transmit Control */
166 #define B43_MMIO_WEPCTL			0x7C0
167 
168 /* SPROM boardflags_lo values */
169 #define B43_BFL_BTCOEXIST		0x0001	/* implements Bluetooth coexistance */
170 #define B43_BFL_PACTRL			0x0002	/* GPIO 9 controlling the PA */
171 #define B43_BFL_AIRLINEMODE		0x0004	/* implements GPIO 13 radio disable indication */
172 #define B43_BFL_RSSI			0x0008	/* software calculates nrssi slope. */
173 #define B43_BFL_ENETSPI			0x0010	/* has ephy roboswitch spi */
174 #define B43_BFL_XTAL_NOSLOW		0x0020	/* no slow clock available */
175 #define B43_BFL_CCKHIPWR		0x0040	/* can do high power CCK transmission */
176 #define B43_BFL_ENETADM			0x0080	/* has ADMtek switch */
177 #define B43_BFL_ENETVLAN		0x0100	/* can do vlan */
178 #define B43_BFL_AFTERBURNER		0x0200	/* supports Afterburner mode */
179 #define B43_BFL_NOPCI			0x0400	/* leaves PCI floating */
180 #define B43_BFL_FEM			0x0800	/* supports the Front End Module */
181 #define B43_BFL_EXTLNA			0x1000	/* has an external LNA */
182 #define B43_BFL_HGPA			0x2000	/* had high gain PA */
183 #define B43_BFL_BTCMOD			0x4000	/* BFL_BTCOEXIST is given in alternate GPIOs */
184 #define B43_BFL_ALTIQ			0x8000	/* alternate I/Q settings */
185 
186 /* SPROM boardflags_hi values */
187 #define B43_BFH_NOPA			0x0001	/* has no PA */
188 #define B43_BFH_RSSIINV			0x0002	/* RSSI uses positive slope (not TSSI) */
189 #define B43_BFH_PAREF			0x0004	/* uses the PARef LDO */
190 #define B43_BFH_3TSWITCH		0x0008	/* uses a triple throw switch shared
191 						 * with bluetooth */
192 #define B43_BFH_PHASESHIFT		0x0010	/* can support phase shifter */
193 #define B43_BFH_BUCKBOOST		0x0020	/* has buck/booster */
194 #define B43_BFH_FEM_BT			0x0040	/* has FEM and switch to share antenna
195 						 * with bluetooth */
196 #define B43_BFH_NOCBUCK			0x0080
197 #define B43_BFH_PALDO			0x0200
198 #define B43_BFH_EXTLNA_5GHZ		0x1000	/* has an external LNA (5GHz mode) */
199 
200 /* SPROM boardflags2_lo values */
201 #define B43_BFL2_RXBB_INT_REG_DIS	0x0001	/* external RX BB regulator present */
202 #define B43_BFL2_APLL_WAR		0x0002	/* alternative A-band PLL settings implemented */
203 #define B43_BFL2_TXPWRCTRL_EN 		0x0004	/* permits enabling TX Power Control */
204 #define B43_BFL2_2X4_DIV		0x0008	/* 2x4 diversity switch */
205 #define B43_BFL2_5G_PWRGAIN		0x0010	/* supports 5G band power gain */
206 #define B43_BFL2_PCIEWAR_OVR		0x0020	/* overrides ASPM and Clkreq settings */
207 #define B43_BFL2_CAESERS_BRD		0x0040	/* is Caesers board (unused) */
208 #define B43_BFL2_BTC3WIRE		0x0080	/* used 3-wire bluetooth coexist */
209 #define B43_BFL2_SKWRKFEM_BRD		0x0100	/* 4321mcm93 uses Skyworks FEM */
210 #define B43_BFL2_SPUR_WAR		0x0200	/* has a workaround for clock-harmonic spurs */
211 #define B43_BFL2_GPLL_WAR		0x0400	/* altenative G-band PLL settings implemented */
212 #define B43_BFL2_SINGLEANT_CCK		0x1000
213 #define B43_BFL2_2G_SPUR_WAR		0x2000
214 
215 /* SPROM boardflags2_hi values */
216 #define B43_BFH2_GPLL_WAR2		0x0001
217 #define B43_BFH2_IPALVLSHIFT_3P3	0x0002
218 #define B43_BFH2_INTERNDET_TXIQCAL	0x0004
219 #define B43_BFH2_XTALBUFOUTEN		0x0008
220 
221 /* GPIO register offset, in both ChipCommon and PCI core. */
222 #define B43_GPIO_CONTROL		0x6c
223 
224 /* SHM Routing */
225 enum {
226 	B43_SHM_UCODE,		/* Microcode memory */
227 	B43_SHM_SHARED,		/* Shared memory */
228 	B43_SHM_SCRATCH,	/* Scratch memory */
229 	B43_SHM_HW,		/* Internal hardware register */
230 	B43_SHM_RCMTA,		/* Receive match transmitter address (rev >= 5 only) */
231 };
232 /* SHM Routing modifiers */
233 #define B43_SHM_AUTOINC_R		0x0200	/* Auto-increment address on read */
234 #define B43_SHM_AUTOINC_W		0x0100	/* Auto-increment address on write */
235 #define B43_SHM_AUTOINC_RW		(B43_SHM_AUTOINC_R | \
236 					 B43_SHM_AUTOINC_W)
237 
238 /* Misc SHM_SHARED offsets */
239 #define B43_SHM_SH_WLCOREREV		0x0016	/* 802.11 core revision */
240 #define B43_SHM_SH_PCTLWDPOS		0x0008
241 #define B43_SHM_SH_RXPADOFF		0x0034	/* RX Padding data offset (PIO only) */
242 #define B43_SHM_SH_FWCAPA		0x0042	/* Firmware capabilities (Opensource firmware only) */
243 #define B43_SHM_SH_PHYVER		0x0050	/* PHY version */
244 #define B43_SHM_SH_PHYTYPE		0x0052	/* PHY type */
245 #define B43_SHM_SH_ANTSWAP		0x005C	/* Antenna swap threshold */
246 #define B43_SHM_SH_HOSTF1		0x005E	/* Hostflags 1 for ucode options */
247 #define B43_SHM_SH_HOSTF2		0x0060	/* Hostflags 2 for ucode options */
248 #define B43_SHM_SH_HOSTF3		0x0062	/* Hostflags 3 for ucode options */
249 #define B43_SHM_SH_RFATT		0x0064	/* Current radio attenuation value */
250 #define B43_SHM_SH_RADAR		0x0066	/* Radar register */
251 #define B43_SHM_SH_PHYTXNOI		0x006E	/* PHY noise directly after TX (lower 8bit only) */
252 #define B43_SHM_SH_RFRXSP1		0x0072	/* RF RX SP Register 1 */
253 #define B43_SHM_SH_HOSTF4		0x0078	/* Hostflags 4 for ucode options */
254 #define B43_SHM_SH_CHAN			0x00A0	/* Current channel (low 8bit only) */
255 #define  B43_SHM_SH_CHAN_5GHZ		0x0100	/* Bit set, if 5 Ghz channel */
256 #define  B43_SHM_SH_CHAN_40MHZ		0x0200	/* Bit set, if 40 Mhz channel width */
257 #define B43_SHM_SH_MACHW_L		0x00C0	/* Location where the ucode expects the MAC capabilities */
258 #define B43_SHM_SH_MACHW_H		0x00C2	/* Location where the ucode expects the MAC capabilities */
259 #define B43_SHM_SH_HOSTF5		0x00D4	/* Hostflags 5 for ucode options */
260 #define B43_SHM_SH_BCMCFIFOID		0x0108	/* Last posted cookie to the bcast/mcast FIFO */
261 /* TSSI information */
262 #define B43_SHM_SH_TSSI_CCK		0x0058	/* TSSI for last 4 CCK frames (32bit) */
263 #define B43_SHM_SH_TSSI_OFDM_A		0x0068	/* TSSI for last 4 OFDM frames (32bit) */
264 #define B43_SHM_SH_TSSI_OFDM_G		0x0070	/* TSSI for last 4 OFDM frames (32bit) */
265 #define  B43_TSSI_MAX			0x7F	/* Max value for one TSSI value */
266 /* SHM_SHARED TX FIFO variables */
267 #define B43_SHM_SH_SIZE01		0x0098	/* TX FIFO size for FIFO 0 (low) and 1 (high) */
268 #define B43_SHM_SH_SIZE23		0x009A	/* TX FIFO size for FIFO 2 and 3 */
269 #define B43_SHM_SH_SIZE45		0x009C	/* TX FIFO size for FIFO 4 and 5 */
270 #define B43_SHM_SH_SIZE67		0x009E	/* TX FIFO size for FIFO 6 and 7 */
271 /* SHM_SHARED background noise */
272 #define B43_SHM_SH_JSSI0		0x0088	/* Measure JSSI 0 */
273 #define B43_SHM_SH_JSSI1		0x008A	/* Measure JSSI 1 */
274 #define B43_SHM_SH_JSSIAUX		0x008C	/* Measure JSSI AUX */
275 /* SHM_SHARED crypto engine */
276 #define B43_SHM_SH_DEFAULTIV		0x003C	/* Default IV location */
277 #define B43_SHM_SH_NRRXTRANS		0x003E	/* # of soft RX transmitter addresses (max 8) */
278 #define B43_SHM_SH_KTP			0x0056	/* Key table pointer */
279 #define B43_SHM_SH_TKIPTSCTTAK		0x0318
280 #define B43_SHM_SH_KEYIDXBLOCK		0x05D4	/* Key index/algorithm block (v4 firmware) */
281 #define B43_SHM_SH_PSM			0x05F4	/* PSM transmitter address match block (rev < 5) */
282 /* SHM_SHARED WME variables */
283 #define B43_SHM_SH_EDCFSTAT		0x000E	/* EDCF status */
284 #define B43_SHM_SH_TXFCUR		0x0030	/* TXF current index */
285 #define B43_SHM_SH_EDCFQ		0x0240	/* EDCF Q info */
286 /* SHM_SHARED powersave mode related */
287 #define B43_SHM_SH_SLOTT		0x0010	/* Slot time */
288 #define B43_SHM_SH_DTIMPER		0x0012	/* DTIM period */
289 #define B43_SHM_SH_NOSLPZNATDTIM	0x004C	/* NOSLPZNAT DTIM */
290 /* SHM_SHARED beacon/AP variables */
291 #define B43_SHM_SH_BT_BASE0		0x0068	/* Beacon template base 0 */
292 #define B43_SHM_SH_BTL0			0x0018	/* Beacon template length 0 */
293 #define B43_SHM_SH_BT_BASE1		0x0468	/* Beacon template base 1 */
294 #define B43_SHM_SH_BTL1			0x001A	/* Beacon template length 1 */
295 #define B43_SHM_SH_BTSFOFF		0x001C	/* Beacon TSF offset */
296 #define B43_SHM_SH_TIMBPOS		0x001E	/* TIM B position in beacon */
297 #define B43_SHM_SH_DTIMP		0x0012	/* DTIP period */
298 #define B43_SHM_SH_MCASTCOOKIE		0x00A8	/* Last bcast/mcast frame ID */
299 #define B43_SHM_SH_SFFBLIM		0x0044	/* Short frame fallback retry limit */
300 #define B43_SHM_SH_LFFBLIM		0x0046	/* Long frame fallback retry limit */
301 #define B43_SHM_SH_BEACPHYCTL		0x0054	/* Beacon PHY TX control word (see PHY TX control) */
302 #define B43_SHM_SH_EXTNPHYCTL		0x00B0	/* Extended bytes for beacon PHY control (N) */
303 #define B43_SHM_SH_BCN_LI		0x00B6	/* beacon listen interval */
304 /* SHM_SHARED ACK/CTS control */
305 #define B43_SHM_SH_ACKCTSPHYCTL		0x0022	/* ACK/CTS PHY control word (see PHY TX control) */
306 /* SHM_SHARED probe response variables */
307 #define B43_SHM_SH_PRSSID		0x0160	/* Probe Response SSID */
308 #define B43_SHM_SH_PRSSIDLEN		0x0048	/* Probe Response SSID length */
309 #define B43_SHM_SH_PRTLEN		0x004A	/* Probe Response template length */
310 #define B43_SHM_SH_PRMAXTIME		0x0074	/* Probe Response max time */
311 #define B43_SHM_SH_PRPHYCTL		0x0188	/* Probe Response PHY TX control word */
312 /* SHM_SHARED rate tables */
313 #define B43_SHM_SH_OFDMDIRECT		0x01C0	/* Pointer to OFDM direct map */
314 #define B43_SHM_SH_OFDMBASIC		0x01E0	/* Pointer to OFDM basic rate map */
315 #define B43_SHM_SH_CCKDIRECT		0x0200	/* Pointer to CCK direct map */
316 #define B43_SHM_SH_CCKBASIC		0x0220	/* Pointer to CCK basic rate map */
317 /* SHM_SHARED microcode soft registers */
318 #define B43_SHM_SH_UCODEREV		0x0000	/* Microcode revision */
319 #define B43_SHM_SH_UCODEPATCH		0x0002	/* Microcode patchlevel */
320 #define B43_SHM_SH_UCODEDATE		0x0004	/* Microcode date */
321 #define B43_SHM_SH_UCODETIME		0x0006	/* Microcode time */
322 #define B43_SHM_SH_UCODESTAT		0x0040	/* Microcode debug status code */
323 #define  B43_SHM_SH_UCODESTAT_INVALID	0
324 #define  B43_SHM_SH_UCODESTAT_INIT	1
325 #define  B43_SHM_SH_UCODESTAT_ACTIVE	2
326 #define  B43_SHM_SH_UCODESTAT_SUSP	3	/* suspended */
327 #define  B43_SHM_SH_UCODESTAT_SLEEP	4	/* asleep (PS) */
328 #define B43_SHM_SH_MAXBFRAMES		0x0080	/* Maximum number of frames in a burst */
329 #define B43_SHM_SH_SPUWKUP		0x0094	/* pre-wakeup for synth PU in us */
330 #define B43_SHM_SH_PRETBTT		0x0096	/* pre-TBTT in us */
331 /* SHM_SHARED tx iq workarounds */
332 #define B43_SHM_SH_NPHY_TXIQW0		0x0700
333 #define B43_SHM_SH_NPHY_TXIQW1		0x0702
334 #define B43_SHM_SH_NPHY_TXIQW2		0x0704
335 #define B43_SHM_SH_NPHY_TXIQW3		0x0706
336 /* SHM_SHARED tx pwr ctrl */
337 #define B43_SHM_SH_NPHY_TXPWR_INDX0	0x0708
338 #define B43_SHM_SH_NPHY_TXPWR_INDX1	0x070E
339 
340 /* SHM_SCRATCH offsets */
341 #define B43_SHM_SC_MINCONT		0x0003	/* Minimum contention window */
342 #define B43_SHM_SC_MAXCONT		0x0004	/* Maximum contention window */
343 #define B43_SHM_SC_CURCONT		0x0005	/* Current contention window */
344 #define B43_SHM_SC_SRLIMIT		0x0006	/* Short retry count limit */
345 #define B43_SHM_SC_LRLIMIT		0x0007	/* Long retry count limit */
346 #define B43_SHM_SC_DTIMC		0x0008	/* Current DTIM count */
347 #define B43_SHM_SC_BTL0LEN		0x0015	/* Beacon 0 template length */
348 #define B43_SHM_SC_BTL1LEN		0x0016	/* Beacon 1 template length */
349 #define B43_SHM_SC_SCFB			0x0017	/* Short frame transmit count threshold for rate fallback */
350 #define B43_SHM_SC_LCFB			0x0018	/* Long frame transmit count threshold for rate fallback */
351 
352 /* Hardware Radio Enable masks */
353 #define B43_MMIO_RADIO_HWENABLED_HI_MASK (1 << 16)
354 #define B43_MMIO_RADIO_HWENABLED_LO_MASK (1 << 4)
355 
356 /* HostFlags. See b43_hf_read/write() */
357 #define B43_HF_ANTDIVHELP	0x000000000001ULL /* ucode antenna div helper */
358 #define B43_HF_SYMW		0x000000000002ULL /* G-PHY SYM workaround */
359 #define B43_HF_RXPULLW		0x000000000004ULL /* RX pullup workaround */
360 #define B43_HF_CCKBOOST		0x000000000008ULL /* 4dB CCK power boost (exclusive with OFDM boost) */
361 #define B43_HF_BTCOEX		0x000000000010ULL /* Bluetooth coexistance */
362 #define B43_HF_GDCW		0x000000000020ULL /* G-PHY DC canceller filter bw workaround */
363 #define B43_HF_OFDMPABOOST	0x000000000040ULL /* Enable PA gain boost for OFDM */
364 #define B43_HF_ACPR		0x000000000080ULL /* Disable for Japan, channel 14 */
365 #define B43_HF_EDCF		0x000000000100ULL /* on if WME and MAC suspended */
366 #define B43_HF_TSSIRPSMW	0x000000000200ULL /* TSSI reset PSM ucode workaround */
367 #define B43_HF_20IN40IQW	0x000000000200ULL /* 20 in 40 MHz I/Q workaround (rev >= 13 only) */
368 #define B43_HF_DSCRQ		0x000000000400ULL /* Disable slow clock request in ucode */
369 #define B43_HF_ACIW		0x000000000800ULL /* ACI workaround: shift bits by 2 on PHY CRS */
370 #define B43_HF_2060W		0x000000001000ULL /* 2060 radio workaround */
371 #define B43_HF_RADARW		0x000000002000ULL /* Radar workaround */
372 #define B43_HF_USEDEFKEYS	0x000000004000ULL /* Enable use of default keys */
373 #define B43_HF_AFTERBURNER	0x000000008000ULL /* Afterburner enabled */
374 #define B43_HF_BT4PRIOCOEX	0x000000010000ULL /* Bluetooth 4-priority coexistance */
375 #define B43_HF_FWKUP		0x000000020000ULL /* Fast wake-up ucode */
376 #define B43_HF_VCORECALC	0x000000040000ULL /* Force VCO recalculation when powering up synthpu */
377 #define B43_HF_PCISCW		0x000000080000ULL /* PCI slow clock workaround */
378 #define B43_HF_4318TSSI		0x000000200000ULL /* 4318 TSSI */
379 #define B43_HF_FBCMCFIFO	0x000000400000ULL /* Flush bcast/mcast FIFO immediately */
380 #define B43_HF_HWPCTL		0x000000800000ULL /* Enable hardwarre power control */
381 #define B43_HF_BTCOEXALT	0x000001000000ULL /* Bluetooth coexistance in alternate pins */
382 #define B43_HF_TXBTCHECK	0x000002000000ULL /* Bluetooth check during transmission */
383 #define B43_HF_SKCFPUP		0x000004000000ULL /* Skip CFP update */
384 #define B43_HF_N40W		0x000008000000ULL /* N PHY 40 MHz workaround (rev >= 13 only) */
385 #define B43_HF_ANTSEL		0x000020000000ULL /* Antenna selection (for testing antenna div.) */
386 #define B43_HF_BT3COEXT		0x000020000000ULL /* Bluetooth 3-wire coexistence (rev >= 13 only) */
387 #define B43_HF_BTCANT		0x000040000000ULL /* Bluetooth coexistence (antenna mode) (rev >= 13 only) */
388 #define B43_HF_ANTSELEN		0x000100000000ULL /* Antenna selection enabled (rev >= 13 only) */
389 #define B43_HF_ANTSELMODE	0x000200000000ULL /* Antenna selection mode (rev >= 13 only) */
390 #define B43_HF_MLADVW		0x001000000000ULL /* N PHY ML ADV workaround (rev >= 13 only) */
391 #define B43_HF_PR45960W		0x080000000000ULL /* PR 45960 workaround (rev >= 13 only) */
392 
393 /* Firmware capabilities field in SHM (Opensource firmware only) */
394 #define B43_FWCAPA_HWCRYPTO	0x0001
395 #define B43_FWCAPA_QOS		0x0002
396 
397 /* MacFilter offsets. */
398 #define B43_MACFILTER_SELF		0x0000
399 #define B43_MACFILTER_BSSID		0x0003
400 
401 /* PowerControl */
402 #define B43_PCTL_IN			0xB0
403 #define B43_PCTL_OUT			0xB4
404 #define B43_PCTL_OUTENABLE		0xB8
405 #define B43_PCTL_XTAL_POWERUP		0x40
406 #define B43_PCTL_PLL_POWERDOWN		0x80
407 
408 /* PowerControl Clock Modes */
409 #define B43_PCTL_CLK_FAST		0x00
410 #define B43_PCTL_CLK_SLOW		0x01
411 #define B43_PCTL_CLK_DYNAMIC		0x02
412 
413 #define B43_PCTL_FORCE_SLOW		0x0800
414 #define B43_PCTL_FORCE_PLL		0x1000
415 #define B43_PCTL_DYN_XTAL		0x2000
416 
417 /* PHYVersioning */
418 #define B43_PHYTYPE_A			0x00
419 #define B43_PHYTYPE_B			0x01
420 #define B43_PHYTYPE_G			0x02
421 #define B43_PHYTYPE_N			0x04
422 #define B43_PHYTYPE_LP			0x05
423 #define B43_PHYTYPE_SSLPN		0x06
424 #define B43_PHYTYPE_HT			0x07
425 #define B43_PHYTYPE_LCN			0x08
426 #define B43_PHYTYPE_LCNXN		0x09
427 #define B43_PHYTYPE_LCN40		0x0a
428 #define B43_PHYTYPE_AC			0x0b
429 
430 /* PHYRegisters */
431 #define B43_PHY_ILT_A_CTRL		0x0072
432 #define B43_PHY_ILT_A_DATA1		0x0073
433 #define B43_PHY_ILT_A_DATA2		0x0074
434 #define B43_PHY_G_LO_CONTROL		0x0810
435 #define B43_PHY_ILT_G_CTRL		0x0472
436 #define B43_PHY_ILT_G_DATA1		0x0473
437 #define B43_PHY_ILT_G_DATA2		0x0474
438 #define B43_PHY_A_PCTL			0x007B
439 #define B43_PHY_G_PCTL			0x0029
440 #define B43_PHY_A_CRS			0x0029
441 #define B43_PHY_RADIO_BITFIELD		0x0401
442 #define B43_PHY_G_CRS			0x0429
443 #define B43_PHY_NRSSILT_CTRL		0x0803
444 #define B43_PHY_NRSSILT_DATA		0x0804
445 
446 /* RadioRegisters */
447 #define B43_RADIOCTL_ID			0x01
448 
449 /* MAC Control bitfield */
450 #define B43_MACCTL_ENABLED		0x00000001	/* MAC Enabled */
451 #define B43_MACCTL_PSM_RUN		0x00000002	/* Run Microcode */
452 #define B43_MACCTL_PSM_JMP0		0x00000004	/* Microcode jump to 0 */
453 #define B43_MACCTL_SHM_ENABLED		0x00000100	/* SHM Enabled */
454 #define B43_MACCTL_SHM_UPPER		0x00000200	/* SHM Upper */
455 #define B43_MACCTL_IHR_ENABLED		0x00000400	/* IHR Region Enabled */
456 #define B43_MACCTL_PSM_DBG		0x00002000	/* Microcode debugging enabled */
457 #define B43_MACCTL_GPOUTSMSK		0x0000C000	/* GPOUT Select Mask */
458 #define B43_MACCTL_BE			0x00010000	/* Big Endian mode */
459 #define B43_MACCTL_INFRA		0x00020000	/* Infrastructure mode */
460 #define B43_MACCTL_AP			0x00040000	/* AccessPoint mode */
461 #define B43_MACCTL_RADIOLOCK		0x00080000	/* Radio lock */
462 #define B43_MACCTL_BEACPROMISC		0x00100000	/* Beacon Promiscuous */
463 #define B43_MACCTL_KEEP_BADPLCP		0x00200000	/* Keep frames with bad PLCP */
464 #define B43_MACCTL_PHY_LOCK		0x00200000
465 #define B43_MACCTL_KEEP_CTL		0x00400000	/* Keep control frames */
466 #define B43_MACCTL_KEEP_BAD		0x00800000	/* Keep bad frames (FCS) */
467 #define B43_MACCTL_PROMISC		0x01000000	/* Promiscuous mode */
468 #define B43_MACCTL_HWPS			0x02000000	/* Hardware Power Saving */
469 #define B43_MACCTL_AWAKE		0x04000000	/* Device is awake */
470 #define B43_MACCTL_CLOSEDNET		0x08000000	/* Closed net (no SSID bcast) */
471 #define B43_MACCTL_TBTTHOLD		0x10000000	/* TBTT Hold */
472 #define B43_MACCTL_DISCTXSTAT		0x20000000	/* Discard TX status */
473 #define B43_MACCTL_DISCPMQ		0x40000000	/* Discard Power Management Queue */
474 #define B43_MACCTL_GMODE		0x80000000	/* G Mode */
475 
476 /* MAC Command bitfield */
477 #define B43_MACCMD_BEACON0_VALID	0x00000001	/* Beacon 0 in template RAM is busy/valid */
478 #define B43_MACCMD_BEACON1_VALID	0x00000002	/* Beacon 1 in template RAM is busy/valid */
479 #define B43_MACCMD_DFQ_VALID		0x00000004	/* Directed frame queue valid (IBSS PS mode, ATIM) */
480 #define B43_MACCMD_CCA			0x00000008	/* Clear channel assessment */
481 #define B43_MACCMD_BGNOISE		0x00000010	/* Background noise */
482 
483 /* B43_MMIO_PSM_PHY_HDR bits */
484 #define B43_PSM_HDR_MAC_PHY_RESET	0x00000001
485 #define B43_PSM_HDR_MAC_PHY_CLOCK_EN	0x00000002
486 #define B43_PSM_HDR_MAC_PHY_FORCE_CLK	0x00000004
487 
488 /* See BCMA_CLKCTLST_EXTRESREQ and BCMA_CLKCTLST_EXTRESST */
489 #define B43_BCMA_CLKCTLST_80211_PLL_REQ	0x00000100
490 #define B43_BCMA_CLKCTLST_PHY_PLL_REQ	0x00000200
491 #define B43_BCMA_CLKCTLST_80211_PLL_ST	0x01000000
492 #define B43_BCMA_CLKCTLST_PHY_PLL_ST	0x02000000
493 
494 /* BCMA 802.11 core specific IO Control (BCMA_IOCTL) flags */
495 #define B43_BCMA_IOCTL_PHY_CLKEN	0x00000004	/* PHY Clock Enable */
496 #define B43_BCMA_IOCTL_PHY_RESET	0x00000008	/* PHY Reset */
497 #define B43_BCMA_IOCTL_MACPHYCLKEN	0x00000010	/* MAC PHY Clock Control Enable */
498 #define B43_BCMA_IOCTL_PLLREFSEL	0x00000020	/* PLL Frequency Reference Select */
499 #define B43_BCMA_IOCTL_PHY_BW		0x000000C0	/* PHY band width and clock speed mask (N-PHY+ only?) */
500 #define  B43_BCMA_IOCTL_PHY_BW_10MHZ	0x00000000	/* 10 MHz bandwidth, 40 MHz PHY */
501 #define  B43_BCMA_IOCTL_PHY_BW_20MHZ	0x00000040	/* 20 MHz bandwidth, 80 MHz PHY */
502 #define  B43_BCMA_IOCTL_PHY_BW_40MHZ	0x00000080	/* 40 MHz bandwidth, 160 MHz PHY */
503 #define  B43_BCMA_IOCTL_PHY_BW_80MHZ	0x000000C0	/* 80 MHz bandwidth */
504 #define B43_BCMA_IOCTL_DAC		0x00000300	/* Highspeed DAC mode control field */
505 #define B43_BCMA_IOCTL_GMODE		0x00002000	/* G Mode Enable */
506 
507 /* BCMA 802.11 core specific IO status (BCMA_IOST) flags */
508 #define B43_BCMA_IOST_2G_PHY		0x00000001	/* 2.4G capable phy */
509 #define B43_BCMA_IOST_5G_PHY		0x00000002	/* 5G capable phy */
510 #define B43_BCMA_IOST_FASTCLKA		0x00000004	/* Fast Clock Available */
511 #define B43_BCMA_IOST_DUALB_PHY		0x00000008	/* Dualband phy */
512 
513 /* 802.11 core specific TM State Low (SSB_TMSLOW) flags */
514 #define B43_TMSLOW_GMODE		0x20000000	/* G Mode Enable */
515 #define B43_TMSLOW_PHY_BANDWIDTH	0x00C00000	/* PHY band width and clock speed mask (N-PHY only) */
516 #define  B43_TMSLOW_PHY_BANDWIDTH_10MHZ	0x00000000	/* 10 MHz bandwidth, 40 MHz PHY */
517 #define  B43_TMSLOW_PHY_BANDWIDTH_20MHZ	0x00400000	/* 20 MHz bandwidth, 80 MHz PHY */
518 #define  B43_TMSLOW_PHY_BANDWIDTH_40MHZ	0x00800000	/* 40 MHz bandwidth, 160 MHz PHY */
519 #define B43_TMSLOW_PLLREFSEL		0x00200000	/* PLL Frequency Reference Select (rev >= 5) */
520 #define B43_TMSLOW_MACPHYCLKEN		0x00100000	/* MAC PHY Clock Control Enable (rev >= 5) */
521 #define B43_TMSLOW_PHYRESET		0x00080000	/* PHY Reset */
522 #define B43_TMSLOW_PHYCLKEN		0x00040000	/* PHY Clock Enable */
523 
524 /* 802.11 core specific TM State High (SSB_TMSHIGH) flags */
525 #define B43_TMSHIGH_DUALBAND_PHY	0x00080000	/* Dualband PHY available */
526 #define B43_TMSHIGH_FCLOCK		0x00040000	/* Fast Clock Available (rev >= 5) */
527 #define B43_TMSHIGH_HAVE_5GHZ_PHY	0x00020000	/* 5 GHz PHY available (rev >= 5) */
528 #define B43_TMSHIGH_HAVE_2GHZ_PHY	0x00010000	/* 2.4 GHz PHY available (rev >= 5) */
529 
530 /* Generic-Interrupt reasons. */
531 #define B43_IRQ_MAC_SUSPENDED		0x00000001
532 #define B43_IRQ_BEACON			0x00000002
533 #define B43_IRQ_TBTT_INDI		0x00000004
534 #define B43_IRQ_BEACON_TX_OK		0x00000008
535 #define B43_IRQ_BEACON_CANCEL		0x00000010
536 #define B43_IRQ_ATIM_END		0x00000020
537 #define B43_IRQ_PMQ			0x00000040
538 #define B43_IRQ_PIO_WORKAROUND		0x00000100
539 #define B43_IRQ_MAC_TXERR		0x00000200
540 #define B43_IRQ_PHY_TXERR		0x00000800
541 #define B43_IRQ_PMEVENT			0x00001000
542 #define B43_IRQ_TIMER0			0x00002000
543 #define B43_IRQ_TIMER1			0x00004000
544 #define B43_IRQ_DMA			0x00008000
545 #define B43_IRQ_TXFIFO_FLUSH_OK		0x00010000
546 #define B43_IRQ_CCA_MEASURE_OK		0x00020000
547 #define B43_IRQ_NOISESAMPLE_OK		0x00040000
548 #define B43_IRQ_UCODE_DEBUG		0x08000000
549 #define B43_IRQ_RFKILL			0x10000000
550 #define B43_IRQ_TX_OK			0x20000000
551 #define B43_IRQ_PHY_G_CHANGED		0x40000000
552 #define B43_IRQ_TIMEOUT			0x80000000
553 
554 #define B43_IRQ_ALL			0xFFFFFFFF
555 #define B43_IRQ_MASKTEMPLATE		(B43_IRQ_TBTT_INDI | \
556 					 B43_IRQ_ATIM_END | \
557 					 B43_IRQ_PMQ | \
558 					 B43_IRQ_MAC_TXERR | \
559 					 B43_IRQ_PHY_TXERR | \
560 					 B43_IRQ_DMA | \
561 					 B43_IRQ_TXFIFO_FLUSH_OK | \
562 					 B43_IRQ_NOISESAMPLE_OK | \
563 					 B43_IRQ_UCODE_DEBUG | \
564 					 B43_IRQ_RFKILL | \
565 					 B43_IRQ_TX_OK)
566 
567 /* The firmware register to fetch the debug-IRQ reason from. */
568 #define B43_DEBUGIRQ_REASON_REG		63
569 /* Debug-IRQ reasons. */
570 #define B43_DEBUGIRQ_PANIC		0	/* The firmware panic'ed */
571 #define B43_DEBUGIRQ_DUMP_SHM		1	/* Dump shared SHM */
572 #define B43_DEBUGIRQ_DUMP_REGS		2	/* Dump the microcode registers */
573 #define B43_DEBUGIRQ_MARKER		3	/* A "marker" was thrown by the firmware. */
574 #define B43_DEBUGIRQ_ACK		0xFFFF	/* The host writes that to ACK the IRQ */
575 
576 /* The firmware register that contains the "marker" line. */
577 #define B43_MARKER_ID_REG		2
578 #define B43_MARKER_LINE_REG		3
579 
580 /* The firmware register to fetch the panic reason from. */
581 #define B43_FWPANIC_REASON_REG		3
582 /* Firmware panic reason codes */
583 #define B43_FWPANIC_DIE			0 /* Firmware died. Don't auto-restart it. */
584 #define B43_FWPANIC_RESTART		1 /* Firmware died. Schedule a controller reset. */
585 
586 /* The firmware register that contains the watchdog counter. */
587 #define B43_WATCHDOG_REG		1
588 
589 /* Device specific rate values.
590  * The actual values defined here are (rate_in_mbps * 2).
591  * Some code depends on this. Don't change it. */
592 #define B43_CCK_RATE_1MB		0x02
593 #define B43_CCK_RATE_2MB		0x04
594 #define B43_CCK_RATE_5MB		0x0B
595 #define B43_CCK_RATE_11MB		0x16
596 #define B43_OFDM_RATE_6MB		0x0C
597 #define B43_OFDM_RATE_9MB		0x12
598 #define B43_OFDM_RATE_12MB		0x18
599 #define B43_OFDM_RATE_18MB		0x24
600 #define B43_OFDM_RATE_24MB		0x30
601 #define B43_OFDM_RATE_36MB		0x48
602 #define B43_OFDM_RATE_48MB		0x60
603 #define B43_OFDM_RATE_54MB		0x6C
604 /* Convert a b43 rate value to a rate in 100kbps */
605 #define B43_RATE_TO_BASE100KBPS(rate)	(((rate) * 10) / 2)
606 
607 #define B43_DEFAULT_SHORT_RETRY_LIMIT	7
608 #define B43_DEFAULT_LONG_RETRY_LIMIT	4
609 
610 #define B43_PHY_TX_BADNESS_LIMIT	1000
611 
612 /* Max size of a security key */
613 #define B43_SEC_KEYSIZE			16
614 /* Max number of group keys */
615 #define B43_NR_GROUP_KEYS		4
616 /* Max number of pairwise keys */
617 #define B43_NR_PAIRWISE_KEYS		50
618 /* Security algorithms. */
619 enum {
620 	B43_SEC_ALGO_NONE = 0,	/* unencrypted, as of TX header. */
621 	B43_SEC_ALGO_WEP40,
622 	B43_SEC_ALGO_TKIP,
623 	B43_SEC_ALGO_AES,
624 	B43_SEC_ALGO_WEP104,
625 	B43_SEC_ALGO_AES_LEGACY,
626 };
627 
628 struct b43_dmaring;
629 
630 /* The firmware file header */
631 #define B43_FW_TYPE_UCODE	'u'
632 #define B43_FW_TYPE_PCM		'p'
633 #define B43_FW_TYPE_IV		'i'
634 struct b43_fw_header {
635 	/* File type */
636 	u8 type;
637 	/* File format version */
638 	u8 ver;
639 	u8 __padding[2];
640 	/* Size of the data. For ucode and PCM this is in bytes.
641 	 * For IV this is number-of-ivs. */
642 	__be32 size;
643 } __packed;
644 
645 /* Initial Value file format */
646 #define B43_IV_OFFSET_MASK	0x7FFF
647 #define B43_IV_32BIT		0x8000
648 struct b43_iv {
649 	__be16 offset_size;
650 	union {
651 		__be16 d16;
652 		__be32 d32;
653 	} data __packed;
654 } __packed;
655 
656 
657 /* Data structures for DMA transmission, per 80211 core. */
658 struct b43_dma {
659 	struct b43_dmaring *tx_ring_AC_BK; /* Background */
660 	struct b43_dmaring *tx_ring_AC_BE; /* Best Effort */
661 	struct b43_dmaring *tx_ring_AC_VI; /* Video */
662 	struct b43_dmaring *tx_ring_AC_VO; /* Voice */
663 	struct b43_dmaring *tx_ring_mcast; /* Multicast */
664 
665 	struct b43_dmaring *rx_ring;
666 
667 	u32 translation; /* Routing bits */
668 	bool translation_in_low; /* Should translation bit go into low addr? */
669 	bool parity; /* Check for parity */
670 };
671 
672 struct b43_pio_txqueue;
673 struct b43_pio_rxqueue;
674 
675 /* Data structures for PIO transmission, per 80211 core. */
676 struct b43_pio {
677 	struct b43_pio_txqueue *tx_queue_AC_BK; /* Background */
678 	struct b43_pio_txqueue *tx_queue_AC_BE; /* Best Effort */
679 	struct b43_pio_txqueue *tx_queue_AC_VI; /* Video */
680 	struct b43_pio_txqueue *tx_queue_AC_VO; /* Voice */
681 	struct b43_pio_txqueue *tx_queue_mcast; /* Multicast */
682 
683 	struct b43_pio_rxqueue *rx_queue;
684 };
685 
686 /* Context information for a noise calculation (Link Quality). */
687 struct b43_noise_calculation {
688 	bool calculation_running;
689 	u8 nr_samples;
690 	s8 samples[8][4];
691 };
692 
693 struct b43_stats {
694 	u8 link_noise;
695 };
696 
697 struct b43_key {
698 	/* If keyconf is NULL, this key is disabled.
699 	 * keyconf is a cookie. Don't derefenrence it outside of the set_key
700 	 * path, because b43 doesn't own it. */
701 	struct ieee80211_key_conf *keyconf;
702 	u8 algorithm;
703 };
704 
705 /* SHM offsets to the QOS data structures for the 4 different queues. */
706 #define B43_QOS_QUEUE_NUM	4
707 #define B43_QOS_PARAMS(queue)	(B43_SHM_SH_EDCFQ + \
708 				 (B43_NR_QOSPARAMS * sizeof(u16) * (queue)))
709 #define B43_QOS_BACKGROUND	B43_QOS_PARAMS(0)
710 #define B43_QOS_BESTEFFORT	B43_QOS_PARAMS(1)
711 #define B43_QOS_VIDEO		B43_QOS_PARAMS(2)
712 #define B43_QOS_VOICE		B43_QOS_PARAMS(3)
713 
714 /* QOS parameter hardware data structure offsets. */
715 #define B43_NR_QOSPARAMS	16
716 enum {
717 	B43_QOSPARAM_TXOP = 0,
718 	B43_QOSPARAM_CWMIN,
719 	B43_QOSPARAM_CWMAX,
720 	B43_QOSPARAM_CWCUR,
721 	B43_QOSPARAM_AIFS,
722 	B43_QOSPARAM_BSLOTS,
723 	B43_QOSPARAM_REGGAP,
724 	B43_QOSPARAM_STATUS,
725 };
726 
727 /* QOS parameters for a queue. */
728 struct b43_qos_params {
729 	/* The QOS parameters */
730 	struct ieee80211_tx_queue_params p;
731 };
732 
733 struct b43_wl;
734 
735 /* The type of the firmware file. */
736 enum b43_firmware_file_type {
737 	B43_FWTYPE_PROPRIETARY,
738 	B43_FWTYPE_OPENSOURCE,
739 	B43_NR_FWTYPES,
740 };
741 
742 /* Context data for fetching firmware. */
743 struct b43_request_fw_context {
744 	/* The device we are requesting the fw for. */
745 	struct b43_wldev *dev;
746 	/* a pointer to the firmware object */
747 	const struct firmware *blob;
748 	/* The type of firmware to request. */
749 	enum b43_firmware_file_type req_type;
750 	/* Error messages for each firmware type. */
751 	char errors[B43_NR_FWTYPES][128];
752 	/* Temporary buffer for storing the firmware name. */
753 	char fwname[64];
754 	/* A fatal error occurred while requesting. Firmware request
755 	 * can not continue, as any other request will also fail. */
756 	int fatal_failure;
757 };
758 
759 /* In-memory representation of a cached microcode file. */
760 struct b43_firmware_file {
761 	const char *filename;
762 	const struct firmware *data;
763 	/* Type of the firmware file name. Note that this does only indicate
764 	 * the type by the firmware name. NOT the file contents.
765 	 * If you want to check for proprietary vs opensource, use (struct b43_firmware)->opensource
766 	 * instead! The (struct b43_firmware)->opensource flag is derived from the actual firmware
767 	 * binary code, not just the filename.
768 	 */
769 	enum b43_firmware_file_type type;
770 };
771 
772 enum b43_firmware_hdr_format {
773 	B43_FW_HDR_598,
774 	B43_FW_HDR_410,
775 	B43_FW_HDR_351,
776 };
777 
778 /* Pointers to the firmware data and meta information about it. */
779 struct b43_firmware {
780 	/* Microcode */
781 	struct b43_firmware_file ucode;
782 	/* PCM code */
783 	struct b43_firmware_file pcm;
784 	/* Initial MMIO values for the firmware */
785 	struct b43_firmware_file initvals;
786 	/* Initial MMIO values for the firmware, band-specific */
787 	struct b43_firmware_file initvals_band;
788 
789 	/* Firmware revision */
790 	u16 rev;
791 	/* Firmware patchlevel */
792 	u16 patch;
793 
794 	/* Format of header used by firmware */
795 	enum b43_firmware_hdr_format hdr_format;
796 
797 	/* Set to true, if we are using an opensource firmware.
798 	 * Use this to check for proprietary vs opensource. */
799 	bool opensource;
800 	/* Set to true, if the core needs a PCM firmware, but
801 	 * we failed to load one. This is always false for
802 	 * core rev > 10, as these don't need PCM firmware. */
803 	bool pcm_request_failed;
804 };
805 
806 enum b43_band {
807 	B43_BAND_2G = 0,
808 	B43_BAND_5G_LO = 1,
809 	B43_BAND_5G_MI = 2,
810 	B43_BAND_5G_HI = 3,
811 };
812 
813 /* Device (802.11 core) initialization status. */
814 enum {
815 	B43_STAT_UNINIT = 0,	/* Uninitialized. */
816 	B43_STAT_INITIALIZED = 1,	/* Initialized, but not started, yet. */
817 	B43_STAT_STARTED = 2,	/* Up and running. */
818 };
819 #define b43_status(wldev)		atomic_read(&(wldev)->__init_status)
820 #define b43_set_status(wldev, stat)	do {			\
821 		atomic_set(&(wldev)->__init_status, (stat));	\
822 		smp_wmb();					\
823 					} while (0)
824 
825 /* Data structure for one wireless device (802.11 core) */
826 struct b43_wldev {
827 	struct b43_bus_dev *dev;
828 	struct b43_wl *wl;
829 	/* a completion event structure needed if this call is asynchronous */
830 	struct completion fw_load_complete;
831 
832 	/* The device initialization status.
833 	 * Use b43_status() to query. */
834 	atomic_t __init_status;
835 
836 	bool bad_frames_preempt;	/* Use "Bad Frames Preemption" (default off) */
837 	bool dfq_valid;		/* Directed frame queue valid (IBSS PS mode, ATIM) */
838 	bool radio_hw_enable;	/* saved state of radio hardware enabled state */
839 	bool qos_enabled;		/* TRUE, if QoS is used. */
840 	bool hwcrypto_enabled;		/* TRUE, if HW crypto acceleration is enabled. */
841 	bool use_pio;			/* TRUE if next init should use PIO */
842 
843 	/* PHY/Radio device. */
844 	struct b43_phy phy;
845 
846 	union {
847 		/* DMA engines. */
848 		struct b43_dma dma;
849 		/* PIO engines. */
850 		struct b43_pio pio;
851 	};
852 	/* Use b43_using_pio_transfers() to check whether we are using
853 	 * DMA or PIO data transfers. */
854 	bool __using_pio_transfers;
855 
856 	/* Various statistics about the physical device. */
857 	struct b43_stats stats;
858 
859 	/* Reason code of the last interrupt. */
860 	u32 irq_reason;
861 	u32 dma_reason[6];
862 	/* The currently active generic-interrupt mask. */
863 	u32 irq_mask;
864 
865 	/* Link Quality calculation context. */
866 	struct b43_noise_calculation noisecalc;
867 	/* if > 0 MAC is suspended. if == 0 MAC is enabled. */
868 	int mac_suspended;
869 
870 	/* Periodic tasks */
871 	struct delayed_work periodic_work;
872 	unsigned int periodic_state;
873 
874 	struct work_struct restart_work;
875 
876 	/* encryption/decryption */
877 	u16 ktp;		/* Key table pointer */
878 	struct b43_key key[B43_NR_GROUP_KEYS * 2 + B43_NR_PAIRWISE_KEYS];
879 
880 	/* Firmware data */
881 	struct b43_firmware fw;
882 
883 	/* Devicelist in struct b43_wl (all 802.11 cores) */
884 	struct list_head list;
885 
886 	/* Debugging stuff follows. */
887 #ifdef CONFIG_B43_DEBUG
888 	struct b43_dfsentry *dfsentry;
889 	unsigned int irq_count;
890 	unsigned int irq_bit_count[32];
891 	unsigned int tx_count;
892 	unsigned int rx_count;
893 #endif
894 };
895 
896 /* Data structure for the WLAN parts (802.11 cores) of the b43 chip. */
897 struct b43_wl {
898 	/* Pointer to the active wireless device on this chip */
899 	struct b43_wldev *current_dev;
900 	/* Pointer to the ieee80211 hardware data structure */
901 	struct ieee80211_hw *hw;
902 
903 	/* Global driver mutex. Every operation must run with this mutex locked. */
904 	struct mutex mutex;
905 	/* Hard-IRQ spinlock. This lock protects things used in the hard-IRQ
906 	 * handler, only. This basically is just the IRQ mask register. */
907 	spinlock_t hardirq_lock;
908 
909 	/* Set this if we call ieee80211_register_hw() and check if we call
910 	 * ieee80211_unregister_hw(). */
911 	bool hw_registred;
912 
913 	/* We can only have one operating interface (802.11 core)
914 	 * at a time. General information about this interface follows.
915 	 */
916 
917 	struct ieee80211_vif *vif;
918 	/* The MAC address of the operating interface. */
919 	u8 mac_addr[ETH_ALEN];
920 	/* Current BSSID */
921 	u8 bssid[ETH_ALEN];
922 	/* Interface type. (NL80211_IFTYPE_XXX) */
923 	int if_type;
924 	/* Is the card operating in AP, STA or IBSS mode? */
925 	bool operating;
926 	/* filter flags */
927 	unsigned int filter_flags;
928 	/* Stats about the wireless interface */
929 	struct ieee80211_low_level_stats ieee_stats;
930 
931 #ifdef CONFIG_B43_HWRNG
932 	struct hwrng rng;
933 	bool rng_initialized;
934 	char rng_name[30 + 1];
935 #endif /* CONFIG_B43_HWRNG */
936 
937 	bool radiotap_enabled;
938 	bool radio_enabled;
939 
940 	/* The beacon we are currently using (AP or IBSS mode). */
941 	struct sk_buff *current_beacon;
942 	bool beacon0_uploaded;
943 	bool beacon1_uploaded;
944 	bool beacon_templates_virgin; /* Never wrote the templates? */
945 	struct work_struct beacon_update_trigger;
946 	spinlock_t beacon_lock;
947 
948 	/* The current QOS parameters for the 4 queues. */
949 	struct b43_qos_params qos_params[B43_QOS_QUEUE_NUM];
950 
951 	/* Work for adjustment of the transmission power.
952 	 * This is scheduled when we determine that the actual TX output
953 	 * power doesn't match what we want. */
954 	struct work_struct txpower_adjust_work;
955 
956 	/* Packet transmit work */
957 	struct work_struct tx_work;
958 
959 	/* Queue of packets to be transmitted. */
960 	struct sk_buff_head tx_queue[B43_QOS_QUEUE_NUM];
961 
962 	/* Flag that implement the queues stopping. */
963 	bool tx_queue_stopped[B43_QOS_QUEUE_NUM];
964 
965 	/* firmware loading work */
966 	struct work_struct firmware_load;
967 
968 	/* The device LEDs. */
969 	struct b43_leds leds;
970 
971 	/* Kmalloc'ed scratch space for PIO TX/RX. Protected by wl->mutex. */
972 	u8 pio_scratchspace[118] __attribute__((__aligned__(8)));
973 	u8 pio_tailspace[4] __attribute__((__aligned__(8)));
974 };
975 
976 static inline struct b43_wl *hw_to_b43_wl(struct ieee80211_hw *hw)
977 {
978 	return hw->priv;
979 }
980 
981 static inline struct b43_wldev *dev_to_b43_wldev(struct device *dev)
982 {
983 	struct ssb_device *ssb_dev = dev_to_ssb_dev(dev);
984 	return ssb_get_drvdata(ssb_dev);
985 }
986 
987 /* Is the device operating in a specified mode (NL80211_IFTYPE_XXX). */
988 static inline int b43_is_mode(struct b43_wl *wl, int type)
989 {
990 	return (wl->operating && wl->if_type == type);
991 }
992 
993 /**
994  * b43_current_band - Returns the currently used band.
995  * Returns one of NL80211_BAND_2GHZ and NL80211_BAND_5GHZ.
996  */
997 static inline enum nl80211_band b43_current_band(struct b43_wl *wl)
998 {
999 	return wl->hw->conf.chandef.chan->band;
1000 }
1001 
1002 static inline int b43_bus_may_powerdown(struct b43_wldev *wldev)
1003 {
1004 	return wldev->dev->bus_may_powerdown(wldev->dev);
1005 }
1006 static inline int b43_bus_powerup(struct b43_wldev *wldev, bool dynamic_pctl)
1007 {
1008 	return wldev->dev->bus_powerup(wldev->dev, dynamic_pctl);
1009 }
1010 static inline int b43_device_is_enabled(struct b43_wldev *wldev)
1011 {
1012 	return wldev->dev->device_is_enabled(wldev->dev);
1013 }
1014 static inline void b43_device_enable(struct b43_wldev *wldev,
1015 				     u32 core_specific_flags)
1016 {
1017 	wldev->dev->device_enable(wldev->dev, core_specific_flags);
1018 }
1019 static inline void b43_device_disable(struct b43_wldev *wldev,
1020 				      u32 core_specific_flags)
1021 {
1022 	wldev->dev->device_disable(wldev->dev, core_specific_flags);
1023 }
1024 
1025 static inline u16 b43_read16(struct b43_wldev *dev, u16 offset)
1026 {
1027 	return dev->dev->read16(dev->dev, offset);
1028 }
1029 
1030 static inline void b43_write16(struct b43_wldev *dev, u16 offset, u16 value)
1031 {
1032 	dev->dev->write16(dev->dev, offset, value);
1033 }
1034 
1035 /* To optimize this check for flush_writes on BCM47XX_BCMA only. */
1036 static inline void b43_write16f(struct b43_wldev *dev, u16 offset, u16 value)
1037 {
1038 	b43_write16(dev, offset, value);
1039 #if defined(CONFIG_BCM47XX_BCMA)
1040 	if (dev->dev->flush_writes)
1041 		b43_read16(dev, offset);
1042 #endif
1043 }
1044 
1045 static inline void b43_maskset16(struct b43_wldev *dev, u16 offset, u16 mask,
1046 				 u16 set)
1047 {
1048 	b43_write16(dev, offset, (b43_read16(dev, offset) & mask) | set);
1049 }
1050 
1051 static inline u32 b43_read32(struct b43_wldev *dev, u16 offset)
1052 {
1053 	return dev->dev->read32(dev->dev, offset);
1054 }
1055 
1056 static inline void b43_write32(struct b43_wldev *dev, u16 offset, u32 value)
1057 {
1058 	dev->dev->write32(dev->dev, offset, value);
1059 }
1060 
1061 static inline void b43_maskset32(struct b43_wldev *dev, u16 offset, u32 mask,
1062 				 u32 set)
1063 {
1064 	b43_write32(dev, offset, (b43_read32(dev, offset) & mask) | set);
1065 }
1066 
1067 static inline void b43_block_read(struct b43_wldev *dev, void *buffer,
1068 				 size_t count, u16 offset, u8 reg_width)
1069 {
1070 	dev->dev->block_read(dev->dev, buffer, count, offset, reg_width);
1071 }
1072 
1073 static inline void b43_block_write(struct b43_wldev *dev, const void *buffer,
1074 				   size_t count, u16 offset, u8 reg_width)
1075 {
1076 	dev->dev->block_write(dev->dev, buffer, count, offset, reg_width);
1077 }
1078 
1079 static inline bool b43_using_pio_transfers(struct b43_wldev *dev)
1080 {
1081 	return dev->__using_pio_transfers;
1082 }
1083 
1084 /* Message printing */
1085 __printf(2, 3) void b43info(struct b43_wl *wl, const char *fmt, ...);
1086 __printf(2, 3) void b43err(struct b43_wl *wl, const char *fmt, ...);
1087 __printf(2, 3) void b43warn(struct b43_wl *wl, const char *fmt, ...);
1088 __printf(2, 3) void b43dbg(struct b43_wl *wl, const char *fmt, ...);
1089 
1090 
1091 /* A WARN_ON variant that vanishes when b43 debugging is disabled.
1092  * This _also_ evaluates the arg with debugging disabled. */
1093 #if B43_DEBUG
1094 # define B43_WARN_ON(x)	WARN_ON(x)
1095 #else
1096 static inline bool __b43_warn_on_dummy(bool x) { return x; }
1097 # define B43_WARN_ON(x)	__b43_warn_on_dummy(unlikely(!!(x)))
1098 #endif
1099 
1100 /* Convert an integer to a Q5.2 value */
1101 #define INT_TO_Q52(i)	((i) << 2)
1102 /* Convert a Q5.2 value to an integer (precision loss!) */
1103 #define Q52_TO_INT(q52)	((q52) >> 2)
1104 /* Macros for printing a value in Q5.2 format */
1105 #define Q52_FMT		"%u.%u"
1106 #define Q52_ARG(q52)	Q52_TO_INT(q52), ((((q52) & 0x3) * 100) / 4)
1107 
1108 #endif /* B43_H_ */
1109