1 /* SPDX-License-Identifier: GPL-2.0 */
2 #ifndef B43_H_
3 #define B43_H_
4 
5 #include <linux/kernel.h>
6 #include <linux/spinlock.h>
7 #include <linux/interrupt.h>
8 #include <linux/hw_random.h>
9 #include <linux/bcma/bcma.h>
10 #include <linux/ssb/ssb.h>
11 #include <linux/completion.h>
12 #include <net/mac80211.h>
13 
14 #include "debugfs.h"
15 #include "leds.h"
16 #include "rfkill.h"
17 #include "bus.h"
18 #include "lo.h"
19 #include "phy_common.h"
20 
21 
22 #ifdef CONFIG_B43_DEBUG
23 # define B43_DEBUG	1
24 #else
25 # define B43_DEBUG	0
26 #endif
27 
28 /* MMIO offsets */
29 #define B43_MMIO_DMA0_REASON		0x20
30 #define B43_MMIO_DMA0_IRQ_MASK		0x24
31 #define B43_MMIO_DMA1_REASON		0x28
32 #define B43_MMIO_DMA1_IRQ_MASK		0x2C
33 #define B43_MMIO_DMA2_REASON		0x30
34 #define B43_MMIO_DMA2_IRQ_MASK		0x34
35 #define B43_MMIO_DMA3_REASON		0x38
36 #define B43_MMIO_DMA3_IRQ_MASK		0x3C
37 #define B43_MMIO_DMA4_REASON		0x40
38 #define B43_MMIO_DMA4_IRQ_MASK		0x44
39 #define B43_MMIO_DMA5_REASON		0x48
40 #define B43_MMIO_DMA5_IRQ_MASK		0x4C
41 #define B43_MMIO_MACCTL			0x120	/* MAC control */
42 #define B43_MMIO_MACCMD			0x124	/* MAC command */
43 #define B43_MMIO_GEN_IRQ_REASON		0x128
44 #define B43_MMIO_GEN_IRQ_MASK		0x12C
45 #define B43_MMIO_RAM_CONTROL		0x130
46 #define B43_MMIO_RAM_DATA		0x134
47 #define B43_MMIO_PS_STATUS		0x140
48 #define B43_MMIO_RADIO_HWENABLED_HI	0x158
49 #define B43_MMIO_MAC_HW_CAP		0x15C	/* MAC capabilities (corerev >= 13) */
50 #define B43_MMIO_SHM_CONTROL		0x160
51 #define B43_MMIO_SHM_DATA		0x164
52 #define B43_MMIO_SHM_DATA_UNALIGNED	0x166
53 #define B43_MMIO_XMITSTAT_0		0x170
54 #define B43_MMIO_XMITSTAT_1		0x174
55 #define B43_MMIO_REV3PLUS_TSF_LOW	0x180	/* core rev >= 3 only */
56 #define B43_MMIO_REV3PLUS_TSF_HIGH	0x184	/* core rev >= 3 only */
57 #define B43_MMIO_TSF_CFP_REP		0x188
58 #define B43_MMIO_TSF_CFP_START		0x18C
59 #define B43_MMIO_TSF_CFP_MAXDUR		0x190
60 
61 /* 32-bit DMA */
62 #define B43_MMIO_DMA32_BASE0		0x200
63 #define B43_MMIO_DMA32_BASE1		0x220
64 #define B43_MMIO_DMA32_BASE2		0x240
65 #define B43_MMIO_DMA32_BASE3		0x260
66 #define B43_MMIO_DMA32_BASE4		0x280
67 #define B43_MMIO_DMA32_BASE5		0x2A0
68 /* 64-bit DMA */
69 #define B43_MMIO_DMA64_BASE0		0x200
70 #define B43_MMIO_DMA64_BASE1		0x240
71 #define B43_MMIO_DMA64_BASE2		0x280
72 #define B43_MMIO_DMA64_BASE3		0x2C0
73 #define B43_MMIO_DMA64_BASE4		0x300
74 #define B43_MMIO_DMA64_BASE5		0x340
75 
76 /* PIO on core rev < 11 */
77 #define B43_MMIO_PIO_BASE0		0x300
78 #define B43_MMIO_PIO_BASE1		0x310
79 #define B43_MMIO_PIO_BASE2		0x320
80 #define B43_MMIO_PIO_BASE3		0x330
81 #define B43_MMIO_PIO_BASE4		0x340
82 #define B43_MMIO_PIO_BASE5		0x350
83 #define B43_MMIO_PIO_BASE6		0x360
84 #define B43_MMIO_PIO_BASE7		0x370
85 /* PIO on core rev >= 11 */
86 #define B43_MMIO_PIO11_BASE0		0x200
87 #define B43_MMIO_PIO11_BASE1		0x240
88 #define B43_MMIO_PIO11_BASE2		0x280
89 #define B43_MMIO_PIO11_BASE3		0x2C0
90 #define B43_MMIO_PIO11_BASE4		0x300
91 #define B43_MMIO_PIO11_BASE5		0x340
92 
93 #define B43_MMIO_RADIO24_CONTROL	0x3D8	/* core rev >= 24 only */
94 #define B43_MMIO_RADIO24_DATA		0x3DA	/* core rev >= 24 only */
95 #define B43_MMIO_PHY_VER		0x3E0
96 #define B43_MMIO_PHY_RADIO		0x3E2
97 #define B43_MMIO_PHY0			0x3E6
98 #define B43_MMIO_ANTENNA		0x3E8
99 #define B43_MMIO_CHANNEL		0x3F0
100 #define B43_MMIO_CHANNEL_EXT		0x3F4
101 #define B43_MMIO_RADIO_CONTROL		0x3F6
102 #define B43_MMIO_RADIO_DATA_HIGH	0x3F8
103 #define B43_MMIO_RADIO_DATA_LOW		0x3FA
104 #define B43_MMIO_PHY_CONTROL		0x3FC
105 #define B43_MMIO_PHY_DATA		0x3FE
106 #define B43_MMIO_MACFILTER_CONTROL	0x420
107 #define B43_MMIO_MACFILTER_DATA		0x422
108 #define B43_MMIO_RCMTA_COUNT		0x43C
109 #define B43_MMIO_PSM_PHY_HDR		0x492
110 #define B43_MMIO_RADIO_HWENABLED_LO	0x49A
111 #define B43_MMIO_GPIO_CONTROL		0x49C
112 #define B43_MMIO_GPIO_MASK		0x49E
113 #define B43_MMIO_TXE0_CTL		0x500
114 #define B43_MMIO_TXE0_AUX		0x502
115 #define B43_MMIO_TXE0_TS_LOC		0x504
116 #define B43_MMIO_TXE0_TIME_OUT		0x506
117 #define B43_MMIO_TXE0_WM_0		0x508
118 #define B43_MMIO_TXE0_WM_1		0x50A
119 #define B43_MMIO_TXE0_PHYCTL		0x50C
120 #define B43_MMIO_TXE0_STATUS		0x50E
121 #define B43_MMIO_TXE0_MMPLCP0		0x510
122 #define B43_MMIO_TXE0_MMPLCP1		0x512
123 #define B43_MMIO_TXE0_PHYCTL1		0x514
124 #define B43_MMIO_XMTFIFODEF		0x520
125 #define B43_MMIO_XMTFIFO_FRAME_CNT	0x522	/* core rev>= 16 only */
126 #define B43_MMIO_XMTFIFO_BYTE_CNT	0x524	/* core rev>= 16 only */
127 #define B43_MMIO_XMTFIFO_HEAD		0x526	/* core rev>= 16 only */
128 #define B43_MMIO_XMTFIFO_RD_PTR		0x528	/* core rev>= 16 only */
129 #define B43_MMIO_XMTFIFO_WR_PTR		0x52A	/* core rev>= 16 only */
130 #define B43_MMIO_XMTFIFODEF1		0x52C	/* core rev>= 16 only */
131 #define B43_MMIO_XMTFIFOCMD		0x540
132 #define B43_MMIO_XMTFIFOFLUSH		0x542
133 #define B43_MMIO_XMTFIFOTHRESH		0x544
134 #define B43_MMIO_XMTFIFORDY		0x546
135 #define B43_MMIO_XMTFIFOPRIRDY		0x548
136 #define B43_MMIO_XMTFIFORQPRI		0x54A
137 #define B43_MMIO_XMTTPLATETXPTR		0x54C
138 #define B43_MMIO_XMTTPLATEPTR		0x550
139 #define B43_MMIO_SMPL_CLCT_STRPTR	0x552	/* core rev>= 22 only */
140 #define B43_MMIO_SMPL_CLCT_STPPTR	0x554	/* core rev>= 22 only */
141 #define B43_MMIO_SMPL_CLCT_CURPTR	0x556	/* core rev>= 22 only */
142 #define B43_MMIO_XMTTPLATEDATALO	0x560
143 #define B43_MMIO_XMTTPLATEDATAHI	0x562
144 #define B43_MMIO_XMTSEL			0x568
145 #define B43_MMIO_XMTTXCNT		0x56A
146 #define B43_MMIO_XMTTXSHMADDR		0x56C
147 #define B43_MMIO_TSF_CFP_START_LOW	0x604
148 #define B43_MMIO_TSF_CFP_START_HIGH	0x606
149 #define B43_MMIO_TSF_CFP_PRETBTT	0x612
150 #define B43_MMIO_TSF_CLK_FRAC_LOW	0x62E
151 #define B43_MMIO_TSF_CLK_FRAC_HIGH	0x630
152 #define B43_MMIO_TSF_0			0x632	/* core rev < 3 only */
153 #define B43_MMIO_TSF_1			0x634	/* core rev < 3 only */
154 #define B43_MMIO_TSF_2			0x636	/* core rev < 3 only */
155 #define B43_MMIO_TSF_3			0x638	/* core rev < 3 only */
156 #define B43_MMIO_RNG			0x65A
157 #define B43_MMIO_IFSSLOT		0x684	/* Interframe slot time */
158 #define B43_MMIO_IFSCTL			0x688	/* Interframe space control */
159 #define B43_MMIO_IFSSTAT		0x690
160 #define B43_MMIO_IFSMEDBUSYCTL		0x692
161 #define B43_MMIO_IFTXDUR		0x694
162 #define  B43_MMIO_IFSCTL_USE_EDCF	0x0004
163 #define B43_MMIO_POWERUP_DELAY		0x6A8
164 #define B43_MMIO_BTCOEX_CTL		0x6B4 /* Bluetooth Coexistence Control */
165 #define B43_MMIO_BTCOEX_STAT		0x6B6 /* Bluetooth Coexistence Status */
166 #define B43_MMIO_BTCOEX_TXCTL		0x6B8 /* Bluetooth Coexistence Transmit Control */
167 #define B43_MMIO_WEPCTL			0x7C0
168 
169 /* SPROM boardflags_lo values */
170 #define B43_BFL_BTCOEXIST		0x0001	/* implements Bluetooth coexistance */
171 #define B43_BFL_PACTRL			0x0002	/* GPIO 9 controlling the PA */
172 #define B43_BFL_AIRLINEMODE		0x0004	/* implements GPIO 13 radio disable indication */
173 #define B43_BFL_RSSI			0x0008	/* software calculates nrssi slope. */
174 #define B43_BFL_ENETSPI			0x0010	/* has ephy roboswitch spi */
175 #define B43_BFL_XTAL_NOSLOW		0x0020	/* no slow clock available */
176 #define B43_BFL_CCKHIPWR		0x0040	/* can do high power CCK transmission */
177 #define B43_BFL_ENETADM			0x0080	/* has ADMtek switch */
178 #define B43_BFL_ENETVLAN		0x0100	/* can do vlan */
179 #define B43_BFL_AFTERBURNER		0x0200	/* supports Afterburner mode */
180 #define B43_BFL_NOPCI			0x0400	/* leaves PCI floating */
181 #define B43_BFL_FEM			0x0800	/* supports the Front End Module */
182 #define B43_BFL_EXTLNA			0x1000	/* has an external LNA */
183 #define B43_BFL_HGPA			0x2000	/* had high gain PA */
184 #define B43_BFL_BTCMOD			0x4000	/* BFL_BTCOEXIST is given in alternate GPIOs */
185 #define B43_BFL_ALTIQ			0x8000	/* alternate I/Q settings */
186 
187 /* SPROM boardflags_hi values */
188 #define B43_BFH_NOPA			0x0001	/* has no PA */
189 #define B43_BFH_RSSIINV			0x0002	/* RSSI uses positive slope (not TSSI) */
190 #define B43_BFH_PAREF			0x0004	/* uses the PARef LDO */
191 #define B43_BFH_3TSWITCH		0x0008	/* uses a triple throw switch shared
192 						 * with bluetooth */
193 #define B43_BFH_PHASESHIFT		0x0010	/* can support phase shifter */
194 #define B43_BFH_BUCKBOOST		0x0020	/* has buck/booster */
195 #define B43_BFH_FEM_BT			0x0040	/* has FEM and switch to share antenna
196 						 * with bluetooth */
197 #define B43_BFH_NOCBUCK			0x0080
198 #define B43_BFH_PALDO			0x0200
199 #define B43_BFH_EXTLNA_5GHZ		0x1000	/* has an external LNA (5GHz mode) */
200 
201 /* SPROM boardflags2_lo values */
202 #define B43_BFL2_RXBB_INT_REG_DIS	0x0001	/* external RX BB regulator present */
203 #define B43_BFL2_APLL_WAR		0x0002	/* alternative A-band PLL settings implemented */
204 #define B43_BFL2_TXPWRCTRL_EN 		0x0004	/* permits enabling TX Power Control */
205 #define B43_BFL2_2X4_DIV		0x0008	/* 2x4 diversity switch */
206 #define B43_BFL2_5G_PWRGAIN		0x0010	/* supports 5G band power gain */
207 #define B43_BFL2_PCIEWAR_OVR		0x0020	/* overrides ASPM and Clkreq settings */
208 #define B43_BFL2_CAESERS_BRD		0x0040	/* is Caesers board (unused) */
209 #define B43_BFL2_BTC3WIRE		0x0080	/* used 3-wire bluetooth coexist */
210 #define B43_BFL2_SKWRKFEM_BRD		0x0100	/* 4321mcm93 uses Skyworks FEM */
211 #define B43_BFL2_SPUR_WAR		0x0200	/* has a workaround for clock-harmonic spurs */
212 #define B43_BFL2_GPLL_WAR		0x0400	/* altenative G-band PLL settings implemented */
213 #define B43_BFL2_SINGLEANT_CCK		0x1000
214 #define B43_BFL2_2G_SPUR_WAR		0x2000
215 
216 /* SPROM boardflags2_hi values */
217 #define B43_BFH2_GPLL_WAR2		0x0001
218 #define B43_BFH2_IPALVLSHIFT_3P3	0x0002
219 #define B43_BFH2_INTERNDET_TXIQCAL	0x0004
220 #define B43_BFH2_XTALBUFOUTEN		0x0008
221 
222 /* GPIO register offset, in both ChipCommon and PCI core. */
223 #define B43_GPIO_CONTROL		0x6c
224 
225 /* SHM Routing */
226 enum {
227 	B43_SHM_UCODE,		/* Microcode memory */
228 	B43_SHM_SHARED,		/* Shared memory */
229 	B43_SHM_SCRATCH,	/* Scratch memory */
230 	B43_SHM_HW,		/* Internal hardware register */
231 	B43_SHM_RCMTA,		/* Receive match transmitter address (rev >= 5 only) */
232 };
233 /* SHM Routing modifiers */
234 #define B43_SHM_AUTOINC_R		0x0200	/* Auto-increment address on read */
235 #define B43_SHM_AUTOINC_W		0x0100	/* Auto-increment address on write */
236 #define B43_SHM_AUTOINC_RW		(B43_SHM_AUTOINC_R | \
237 					 B43_SHM_AUTOINC_W)
238 
239 /* Misc SHM_SHARED offsets */
240 #define B43_SHM_SH_WLCOREREV		0x0016	/* 802.11 core revision */
241 #define B43_SHM_SH_PCTLWDPOS		0x0008
242 #define B43_SHM_SH_RXPADOFF		0x0034	/* RX Padding data offset (PIO only) */
243 #define B43_SHM_SH_FWCAPA		0x0042	/* Firmware capabilities (Opensource firmware only) */
244 #define B43_SHM_SH_PHYVER		0x0050	/* PHY version */
245 #define B43_SHM_SH_PHYTYPE		0x0052	/* PHY type */
246 #define B43_SHM_SH_ANTSWAP		0x005C	/* Antenna swap threshold */
247 #define B43_SHM_SH_HOSTF1		0x005E	/* Hostflags 1 for ucode options */
248 #define B43_SHM_SH_HOSTF2		0x0060	/* Hostflags 2 for ucode options */
249 #define B43_SHM_SH_HOSTF3		0x0062	/* Hostflags 3 for ucode options */
250 #define B43_SHM_SH_RFATT		0x0064	/* Current radio attenuation value */
251 #define B43_SHM_SH_RADAR		0x0066	/* Radar register */
252 #define B43_SHM_SH_PHYTXNOI		0x006E	/* PHY noise directly after TX (lower 8bit only) */
253 #define B43_SHM_SH_RFRXSP1		0x0072	/* RF RX SP Register 1 */
254 #define B43_SHM_SH_HOSTF4		0x0078	/* Hostflags 4 for ucode options */
255 #define B43_SHM_SH_CHAN			0x00A0	/* Current channel (low 8bit only) */
256 #define  B43_SHM_SH_CHAN_5GHZ		0x0100	/* Bit set, if 5 Ghz channel */
257 #define  B43_SHM_SH_CHAN_40MHZ		0x0200	/* Bit set, if 40 Mhz channel width */
258 #define B43_SHM_SH_MACHW_L		0x00C0	/* Location where the ucode expects the MAC capabilities */
259 #define B43_SHM_SH_MACHW_H		0x00C2	/* Location where the ucode expects the MAC capabilities */
260 #define B43_SHM_SH_HOSTF5		0x00D4	/* Hostflags 5 for ucode options */
261 #define B43_SHM_SH_BCMCFIFOID		0x0108	/* Last posted cookie to the bcast/mcast FIFO */
262 /* TSSI information */
263 #define B43_SHM_SH_TSSI_CCK		0x0058	/* TSSI for last 4 CCK frames (32bit) */
264 #define B43_SHM_SH_TSSI_OFDM_A		0x0068	/* TSSI for last 4 OFDM frames (32bit) */
265 #define B43_SHM_SH_TSSI_OFDM_G		0x0070	/* TSSI for last 4 OFDM frames (32bit) */
266 #define  B43_TSSI_MAX			0x7F	/* Max value for one TSSI value */
267 /* SHM_SHARED TX FIFO variables */
268 #define B43_SHM_SH_SIZE01		0x0098	/* TX FIFO size for FIFO 0 (low) and 1 (high) */
269 #define B43_SHM_SH_SIZE23		0x009A	/* TX FIFO size for FIFO 2 and 3 */
270 #define B43_SHM_SH_SIZE45		0x009C	/* TX FIFO size for FIFO 4 and 5 */
271 #define B43_SHM_SH_SIZE67		0x009E	/* TX FIFO size for FIFO 6 and 7 */
272 /* SHM_SHARED background noise */
273 #define B43_SHM_SH_JSSI0		0x0088	/* Measure JSSI 0 */
274 #define B43_SHM_SH_JSSI1		0x008A	/* Measure JSSI 1 */
275 #define B43_SHM_SH_JSSIAUX		0x008C	/* Measure JSSI AUX */
276 /* SHM_SHARED crypto engine */
277 #define B43_SHM_SH_DEFAULTIV		0x003C	/* Default IV location */
278 #define B43_SHM_SH_NRRXTRANS		0x003E	/* # of soft RX transmitter addresses (max 8) */
279 #define B43_SHM_SH_KTP			0x0056	/* Key table pointer */
280 #define B43_SHM_SH_TKIPTSCTTAK		0x0318
281 #define B43_SHM_SH_KEYIDXBLOCK		0x05D4	/* Key index/algorithm block (v4 firmware) */
282 #define B43_SHM_SH_PSM			0x05F4	/* PSM transmitter address match block (rev < 5) */
283 /* SHM_SHARED WME variables */
284 #define B43_SHM_SH_EDCFSTAT		0x000E	/* EDCF status */
285 #define B43_SHM_SH_TXFCUR		0x0030	/* TXF current index */
286 #define B43_SHM_SH_EDCFQ		0x0240	/* EDCF Q info */
287 /* SHM_SHARED powersave mode related */
288 #define B43_SHM_SH_SLOTT		0x0010	/* Slot time */
289 #define B43_SHM_SH_DTIMPER		0x0012	/* DTIM period */
290 #define B43_SHM_SH_NOSLPZNATDTIM	0x004C	/* NOSLPZNAT DTIM */
291 /* SHM_SHARED beacon/AP variables */
292 #define B43_SHM_SH_BT_BASE0		0x0068	/* Beacon template base 0 */
293 #define B43_SHM_SH_BTL0			0x0018	/* Beacon template length 0 */
294 #define B43_SHM_SH_BT_BASE1		0x0468	/* Beacon template base 1 */
295 #define B43_SHM_SH_BTL1			0x001A	/* Beacon template length 1 */
296 #define B43_SHM_SH_BTSFOFF		0x001C	/* Beacon TSF offset */
297 #define B43_SHM_SH_TIMBPOS		0x001E	/* TIM B position in beacon */
298 #define B43_SHM_SH_DTIMP		0x0012	/* DTIP period */
299 #define B43_SHM_SH_MCASTCOOKIE		0x00A8	/* Last bcast/mcast frame ID */
300 #define B43_SHM_SH_SFFBLIM		0x0044	/* Short frame fallback retry limit */
301 #define B43_SHM_SH_LFFBLIM		0x0046	/* Long frame fallback retry limit */
302 #define B43_SHM_SH_BEACPHYCTL		0x0054	/* Beacon PHY TX control word (see PHY TX control) */
303 #define B43_SHM_SH_EXTNPHYCTL		0x00B0	/* Extended bytes for beacon PHY control (N) */
304 #define B43_SHM_SH_BCN_LI		0x00B6	/* beacon listen interval */
305 /* SHM_SHARED ACK/CTS control */
306 #define B43_SHM_SH_ACKCTSPHYCTL		0x0022	/* ACK/CTS PHY control word (see PHY TX control) */
307 /* SHM_SHARED probe response variables */
308 #define B43_SHM_SH_PRSSID		0x0160	/* Probe Response SSID */
309 #define B43_SHM_SH_PRSSIDLEN		0x0048	/* Probe Response SSID length */
310 #define B43_SHM_SH_PRTLEN		0x004A	/* Probe Response template length */
311 #define B43_SHM_SH_PRMAXTIME		0x0074	/* Probe Response max time */
312 #define B43_SHM_SH_PRPHYCTL		0x0188	/* Probe Response PHY TX control word */
313 /* SHM_SHARED rate tables */
314 #define B43_SHM_SH_OFDMDIRECT		0x01C0	/* Pointer to OFDM direct map */
315 #define B43_SHM_SH_OFDMBASIC		0x01E0	/* Pointer to OFDM basic rate map */
316 #define B43_SHM_SH_CCKDIRECT		0x0200	/* Pointer to CCK direct map */
317 #define B43_SHM_SH_CCKBASIC		0x0220	/* Pointer to CCK basic rate map */
318 /* SHM_SHARED microcode soft registers */
319 #define B43_SHM_SH_UCODEREV		0x0000	/* Microcode revision */
320 #define B43_SHM_SH_UCODEPATCH		0x0002	/* Microcode patchlevel */
321 #define B43_SHM_SH_UCODEDATE		0x0004	/* Microcode date */
322 #define B43_SHM_SH_UCODETIME		0x0006	/* Microcode time */
323 #define B43_SHM_SH_UCODESTAT		0x0040	/* Microcode debug status code */
324 #define  B43_SHM_SH_UCODESTAT_INVALID	0
325 #define  B43_SHM_SH_UCODESTAT_INIT	1
326 #define  B43_SHM_SH_UCODESTAT_ACTIVE	2
327 #define  B43_SHM_SH_UCODESTAT_SUSP	3	/* suspended */
328 #define  B43_SHM_SH_UCODESTAT_SLEEP	4	/* asleep (PS) */
329 #define B43_SHM_SH_MAXBFRAMES		0x0080	/* Maximum number of frames in a burst */
330 #define B43_SHM_SH_SPUWKUP		0x0094	/* pre-wakeup for synth PU in us */
331 #define B43_SHM_SH_PRETBTT		0x0096	/* pre-TBTT in us */
332 /* SHM_SHARED tx iq workarounds */
333 #define B43_SHM_SH_NPHY_TXIQW0		0x0700
334 #define B43_SHM_SH_NPHY_TXIQW1		0x0702
335 #define B43_SHM_SH_NPHY_TXIQW2		0x0704
336 #define B43_SHM_SH_NPHY_TXIQW3		0x0706
337 /* SHM_SHARED tx pwr ctrl */
338 #define B43_SHM_SH_NPHY_TXPWR_INDX0	0x0708
339 #define B43_SHM_SH_NPHY_TXPWR_INDX1	0x070E
340 
341 /* SHM_SCRATCH offsets */
342 #define B43_SHM_SC_MINCONT		0x0003	/* Minimum contention window */
343 #define B43_SHM_SC_MAXCONT		0x0004	/* Maximum contention window */
344 #define B43_SHM_SC_CURCONT		0x0005	/* Current contention window */
345 #define B43_SHM_SC_SRLIMIT		0x0006	/* Short retry count limit */
346 #define B43_SHM_SC_LRLIMIT		0x0007	/* Long retry count limit */
347 #define B43_SHM_SC_DTIMC		0x0008	/* Current DTIM count */
348 #define B43_SHM_SC_BTL0LEN		0x0015	/* Beacon 0 template length */
349 #define B43_SHM_SC_BTL1LEN		0x0016	/* Beacon 1 template length */
350 #define B43_SHM_SC_SCFB			0x0017	/* Short frame transmit count threshold for rate fallback */
351 #define B43_SHM_SC_LCFB			0x0018	/* Long frame transmit count threshold for rate fallback */
352 
353 /* Hardware Radio Enable masks */
354 #define B43_MMIO_RADIO_HWENABLED_HI_MASK (1 << 16)
355 #define B43_MMIO_RADIO_HWENABLED_LO_MASK (1 << 4)
356 
357 /* HostFlags. See b43_hf_read/write() */
358 #define B43_HF_ANTDIVHELP	0x000000000001ULL /* ucode antenna div helper */
359 #define B43_HF_SYMW		0x000000000002ULL /* G-PHY SYM workaround */
360 #define B43_HF_RXPULLW		0x000000000004ULL /* RX pullup workaround */
361 #define B43_HF_CCKBOOST		0x000000000008ULL /* 4dB CCK power boost (exclusive with OFDM boost) */
362 #define B43_HF_BTCOEX		0x000000000010ULL /* Bluetooth coexistance */
363 #define B43_HF_GDCW		0x000000000020ULL /* G-PHY DC canceller filter bw workaround */
364 #define B43_HF_OFDMPABOOST	0x000000000040ULL /* Enable PA gain boost for OFDM */
365 #define B43_HF_ACPR		0x000000000080ULL /* Disable for Japan, channel 14 */
366 #define B43_HF_EDCF		0x000000000100ULL /* on if WME and MAC suspended */
367 #define B43_HF_TSSIRPSMW	0x000000000200ULL /* TSSI reset PSM ucode workaround */
368 #define B43_HF_20IN40IQW	0x000000000200ULL /* 20 in 40 MHz I/Q workaround (rev >= 13 only) */
369 #define B43_HF_DSCRQ		0x000000000400ULL /* Disable slow clock request in ucode */
370 #define B43_HF_ACIW		0x000000000800ULL /* ACI workaround: shift bits by 2 on PHY CRS */
371 #define B43_HF_2060W		0x000000001000ULL /* 2060 radio workaround */
372 #define B43_HF_RADARW		0x000000002000ULL /* Radar workaround */
373 #define B43_HF_USEDEFKEYS	0x000000004000ULL /* Enable use of default keys */
374 #define B43_HF_AFTERBURNER	0x000000008000ULL /* Afterburner enabled */
375 #define B43_HF_BT4PRIOCOEX	0x000000010000ULL /* Bluetooth 4-priority coexistance */
376 #define B43_HF_FWKUP		0x000000020000ULL /* Fast wake-up ucode */
377 #define B43_HF_VCORECALC	0x000000040000ULL /* Force VCO recalculation when powering up synthpu */
378 #define B43_HF_PCISCW		0x000000080000ULL /* PCI slow clock workaround */
379 #define B43_HF_4318TSSI		0x000000200000ULL /* 4318 TSSI */
380 #define B43_HF_FBCMCFIFO	0x000000400000ULL /* Flush bcast/mcast FIFO immediately */
381 #define B43_HF_HWPCTL		0x000000800000ULL /* Enable hardwarre power control */
382 #define B43_HF_BTCOEXALT	0x000001000000ULL /* Bluetooth coexistance in alternate pins */
383 #define B43_HF_TXBTCHECK	0x000002000000ULL /* Bluetooth check during transmission */
384 #define B43_HF_SKCFPUP		0x000004000000ULL /* Skip CFP update */
385 #define B43_HF_N40W		0x000008000000ULL /* N PHY 40 MHz workaround (rev >= 13 only) */
386 #define B43_HF_ANTSEL		0x000020000000ULL /* Antenna selection (for testing antenna div.) */
387 #define B43_HF_BT3COEXT		0x000020000000ULL /* Bluetooth 3-wire coexistence (rev >= 13 only) */
388 #define B43_HF_BTCANT		0x000040000000ULL /* Bluetooth coexistence (antenna mode) (rev >= 13 only) */
389 #define B43_HF_ANTSELEN		0x000100000000ULL /* Antenna selection enabled (rev >= 13 only) */
390 #define B43_HF_ANTSELMODE	0x000200000000ULL /* Antenna selection mode (rev >= 13 only) */
391 #define B43_HF_MLADVW		0x001000000000ULL /* N PHY ML ADV workaround (rev >= 13 only) */
392 #define B43_HF_PR45960W		0x080000000000ULL /* PR 45960 workaround (rev >= 13 only) */
393 
394 /* Firmware capabilities field in SHM (Opensource firmware only) */
395 #define B43_FWCAPA_HWCRYPTO	0x0001
396 #define B43_FWCAPA_QOS		0x0002
397 
398 /* MacFilter offsets. */
399 #define B43_MACFILTER_SELF		0x0000
400 #define B43_MACFILTER_BSSID		0x0003
401 
402 /* PowerControl */
403 #define B43_PCTL_IN			0xB0
404 #define B43_PCTL_OUT			0xB4
405 #define B43_PCTL_OUTENABLE		0xB8
406 #define B43_PCTL_XTAL_POWERUP		0x40
407 #define B43_PCTL_PLL_POWERDOWN		0x80
408 
409 /* PowerControl Clock Modes */
410 #define B43_PCTL_CLK_FAST		0x00
411 #define B43_PCTL_CLK_SLOW		0x01
412 #define B43_PCTL_CLK_DYNAMIC		0x02
413 
414 #define B43_PCTL_FORCE_SLOW		0x0800
415 #define B43_PCTL_FORCE_PLL		0x1000
416 #define B43_PCTL_DYN_XTAL		0x2000
417 
418 /* PHYVersioning */
419 #define B43_PHYTYPE_A			0x00
420 #define B43_PHYTYPE_B			0x01
421 #define B43_PHYTYPE_G			0x02
422 #define B43_PHYTYPE_N			0x04
423 #define B43_PHYTYPE_LP			0x05
424 #define B43_PHYTYPE_SSLPN		0x06
425 #define B43_PHYTYPE_HT			0x07
426 #define B43_PHYTYPE_LCN			0x08
427 #define B43_PHYTYPE_LCNXN		0x09
428 #define B43_PHYTYPE_LCN40		0x0a
429 #define B43_PHYTYPE_AC			0x0b
430 
431 /* PHYRegisters */
432 #define B43_PHY_ILT_A_CTRL		0x0072
433 #define B43_PHY_ILT_A_DATA1		0x0073
434 #define B43_PHY_ILT_A_DATA2		0x0074
435 #define B43_PHY_G_LO_CONTROL		0x0810
436 #define B43_PHY_ILT_G_CTRL		0x0472
437 #define B43_PHY_ILT_G_DATA1		0x0473
438 #define B43_PHY_ILT_G_DATA2		0x0474
439 #define B43_PHY_A_PCTL			0x007B
440 #define B43_PHY_G_PCTL			0x0029
441 #define B43_PHY_A_CRS			0x0029
442 #define B43_PHY_RADIO_BITFIELD		0x0401
443 #define B43_PHY_G_CRS			0x0429
444 #define B43_PHY_NRSSILT_CTRL		0x0803
445 #define B43_PHY_NRSSILT_DATA		0x0804
446 
447 /* RadioRegisters */
448 #define B43_RADIOCTL_ID			0x01
449 
450 /* MAC Control bitfield */
451 #define B43_MACCTL_ENABLED		0x00000001	/* MAC Enabled */
452 #define B43_MACCTL_PSM_RUN		0x00000002	/* Run Microcode */
453 #define B43_MACCTL_PSM_JMP0		0x00000004	/* Microcode jump to 0 */
454 #define B43_MACCTL_SHM_ENABLED		0x00000100	/* SHM Enabled */
455 #define B43_MACCTL_SHM_UPPER		0x00000200	/* SHM Upper */
456 #define B43_MACCTL_IHR_ENABLED		0x00000400	/* IHR Region Enabled */
457 #define B43_MACCTL_PSM_DBG		0x00002000	/* Microcode debugging enabled */
458 #define B43_MACCTL_GPOUTSMSK		0x0000C000	/* GPOUT Select Mask */
459 #define B43_MACCTL_BE			0x00010000	/* Big Endian mode */
460 #define B43_MACCTL_INFRA		0x00020000	/* Infrastructure mode */
461 #define B43_MACCTL_AP			0x00040000	/* AccessPoint mode */
462 #define B43_MACCTL_RADIOLOCK		0x00080000	/* Radio lock */
463 #define B43_MACCTL_BEACPROMISC		0x00100000	/* Beacon Promiscuous */
464 #define B43_MACCTL_KEEP_BADPLCP		0x00200000	/* Keep frames with bad PLCP */
465 #define B43_MACCTL_PHY_LOCK		0x00200000
466 #define B43_MACCTL_KEEP_CTL		0x00400000	/* Keep control frames */
467 #define B43_MACCTL_KEEP_BAD		0x00800000	/* Keep bad frames (FCS) */
468 #define B43_MACCTL_PROMISC		0x01000000	/* Promiscuous mode */
469 #define B43_MACCTL_HWPS			0x02000000	/* Hardware Power Saving */
470 #define B43_MACCTL_AWAKE		0x04000000	/* Device is awake */
471 #define B43_MACCTL_CLOSEDNET		0x08000000	/* Closed net (no SSID bcast) */
472 #define B43_MACCTL_TBTTHOLD		0x10000000	/* TBTT Hold */
473 #define B43_MACCTL_DISCTXSTAT		0x20000000	/* Discard TX status */
474 #define B43_MACCTL_DISCPMQ		0x40000000	/* Discard Power Management Queue */
475 #define B43_MACCTL_GMODE		0x80000000	/* G Mode */
476 
477 /* MAC Command bitfield */
478 #define B43_MACCMD_BEACON0_VALID	0x00000001	/* Beacon 0 in template RAM is busy/valid */
479 #define B43_MACCMD_BEACON1_VALID	0x00000002	/* Beacon 1 in template RAM is busy/valid */
480 #define B43_MACCMD_DFQ_VALID		0x00000004	/* Directed frame queue valid (IBSS PS mode, ATIM) */
481 #define B43_MACCMD_CCA			0x00000008	/* Clear channel assessment */
482 #define B43_MACCMD_BGNOISE		0x00000010	/* Background noise */
483 
484 /* B43_MMIO_PSM_PHY_HDR bits */
485 #define B43_PSM_HDR_MAC_PHY_RESET	0x00000001
486 #define B43_PSM_HDR_MAC_PHY_CLOCK_EN	0x00000002
487 #define B43_PSM_HDR_MAC_PHY_FORCE_CLK	0x00000004
488 
489 /* See BCMA_CLKCTLST_EXTRESREQ and BCMA_CLKCTLST_EXTRESST */
490 #define B43_BCMA_CLKCTLST_80211_PLL_REQ	0x00000100
491 #define B43_BCMA_CLKCTLST_PHY_PLL_REQ	0x00000200
492 #define B43_BCMA_CLKCTLST_80211_PLL_ST	0x01000000
493 #define B43_BCMA_CLKCTLST_PHY_PLL_ST	0x02000000
494 
495 /* BCMA 802.11 core specific IO Control (BCMA_IOCTL) flags */
496 #define B43_BCMA_IOCTL_PHY_CLKEN	0x00000004	/* PHY Clock Enable */
497 #define B43_BCMA_IOCTL_PHY_RESET	0x00000008	/* PHY Reset */
498 #define B43_BCMA_IOCTL_MACPHYCLKEN	0x00000010	/* MAC PHY Clock Control Enable */
499 #define B43_BCMA_IOCTL_PLLREFSEL	0x00000020	/* PLL Frequency Reference Select */
500 #define B43_BCMA_IOCTL_PHY_BW		0x000000C0	/* PHY band width and clock speed mask (N-PHY+ only?) */
501 #define  B43_BCMA_IOCTL_PHY_BW_10MHZ	0x00000000	/* 10 MHz bandwidth, 40 MHz PHY */
502 #define  B43_BCMA_IOCTL_PHY_BW_20MHZ	0x00000040	/* 20 MHz bandwidth, 80 MHz PHY */
503 #define  B43_BCMA_IOCTL_PHY_BW_40MHZ	0x00000080	/* 40 MHz bandwidth, 160 MHz PHY */
504 #define  B43_BCMA_IOCTL_PHY_BW_80MHZ	0x000000C0	/* 80 MHz bandwidth */
505 #define B43_BCMA_IOCTL_DAC		0x00000300	/* Highspeed DAC mode control field */
506 #define B43_BCMA_IOCTL_GMODE		0x00002000	/* G Mode Enable */
507 
508 /* BCMA 802.11 core specific IO status (BCMA_IOST) flags */
509 #define B43_BCMA_IOST_2G_PHY		0x00000001	/* 2.4G capable phy */
510 #define B43_BCMA_IOST_5G_PHY		0x00000002	/* 5G capable phy */
511 #define B43_BCMA_IOST_FASTCLKA		0x00000004	/* Fast Clock Available */
512 #define B43_BCMA_IOST_DUALB_PHY		0x00000008	/* Dualband phy */
513 
514 /* 802.11 core specific TM State Low (SSB_TMSLOW) flags */
515 #define B43_TMSLOW_GMODE		0x20000000	/* G Mode Enable */
516 #define B43_TMSLOW_PHY_BANDWIDTH	0x00C00000	/* PHY band width and clock speed mask (N-PHY only) */
517 #define  B43_TMSLOW_PHY_BANDWIDTH_10MHZ	0x00000000	/* 10 MHz bandwidth, 40 MHz PHY */
518 #define  B43_TMSLOW_PHY_BANDWIDTH_20MHZ	0x00400000	/* 20 MHz bandwidth, 80 MHz PHY */
519 #define  B43_TMSLOW_PHY_BANDWIDTH_40MHZ	0x00800000	/* 40 MHz bandwidth, 160 MHz PHY */
520 #define B43_TMSLOW_PLLREFSEL		0x00200000	/* PLL Frequency Reference Select (rev >= 5) */
521 #define B43_TMSLOW_MACPHYCLKEN		0x00100000	/* MAC PHY Clock Control Enable (rev >= 5) */
522 #define B43_TMSLOW_PHYRESET		0x00080000	/* PHY Reset */
523 #define B43_TMSLOW_PHYCLKEN		0x00040000	/* PHY Clock Enable */
524 
525 /* 802.11 core specific TM State High (SSB_TMSHIGH) flags */
526 #define B43_TMSHIGH_DUALBAND_PHY	0x00080000	/* Dualband PHY available */
527 #define B43_TMSHIGH_FCLOCK		0x00040000	/* Fast Clock Available (rev >= 5) */
528 #define B43_TMSHIGH_HAVE_5GHZ_PHY	0x00020000	/* 5 GHz PHY available (rev >= 5) */
529 #define B43_TMSHIGH_HAVE_2GHZ_PHY	0x00010000	/* 2.4 GHz PHY available (rev >= 5) */
530 
531 /* Generic-Interrupt reasons. */
532 #define B43_IRQ_MAC_SUSPENDED		0x00000001
533 #define B43_IRQ_BEACON			0x00000002
534 #define B43_IRQ_TBTT_INDI		0x00000004
535 #define B43_IRQ_BEACON_TX_OK		0x00000008
536 #define B43_IRQ_BEACON_CANCEL		0x00000010
537 #define B43_IRQ_ATIM_END		0x00000020
538 #define B43_IRQ_PMQ			0x00000040
539 #define B43_IRQ_PIO_WORKAROUND		0x00000100
540 #define B43_IRQ_MAC_TXERR		0x00000200
541 #define B43_IRQ_PHY_TXERR		0x00000800
542 #define B43_IRQ_PMEVENT			0x00001000
543 #define B43_IRQ_TIMER0			0x00002000
544 #define B43_IRQ_TIMER1			0x00004000
545 #define B43_IRQ_DMA			0x00008000
546 #define B43_IRQ_TXFIFO_FLUSH_OK		0x00010000
547 #define B43_IRQ_CCA_MEASURE_OK		0x00020000
548 #define B43_IRQ_NOISESAMPLE_OK		0x00040000
549 #define B43_IRQ_UCODE_DEBUG		0x08000000
550 #define B43_IRQ_RFKILL			0x10000000
551 #define B43_IRQ_TX_OK			0x20000000
552 #define B43_IRQ_PHY_G_CHANGED		0x40000000
553 #define B43_IRQ_TIMEOUT			0x80000000
554 
555 #define B43_IRQ_ALL			0xFFFFFFFF
556 #define B43_IRQ_MASKTEMPLATE		(B43_IRQ_TBTT_INDI | \
557 					 B43_IRQ_ATIM_END | \
558 					 B43_IRQ_PMQ | \
559 					 B43_IRQ_MAC_TXERR | \
560 					 B43_IRQ_PHY_TXERR | \
561 					 B43_IRQ_DMA | \
562 					 B43_IRQ_TXFIFO_FLUSH_OK | \
563 					 B43_IRQ_NOISESAMPLE_OK | \
564 					 B43_IRQ_UCODE_DEBUG | \
565 					 B43_IRQ_RFKILL | \
566 					 B43_IRQ_TX_OK)
567 
568 /* The firmware register to fetch the debug-IRQ reason from. */
569 #define B43_DEBUGIRQ_REASON_REG		63
570 /* Debug-IRQ reasons. */
571 #define B43_DEBUGIRQ_PANIC		0	/* The firmware panic'ed */
572 #define B43_DEBUGIRQ_DUMP_SHM		1	/* Dump shared SHM */
573 #define B43_DEBUGIRQ_DUMP_REGS		2	/* Dump the microcode registers */
574 #define B43_DEBUGIRQ_MARKER		3	/* A "marker" was thrown by the firmware. */
575 #define B43_DEBUGIRQ_ACK		0xFFFF	/* The host writes that to ACK the IRQ */
576 
577 /* The firmware register that contains the "marker" line. */
578 #define B43_MARKER_ID_REG		2
579 #define B43_MARKER_LINE_REG		3
580 
581 /* The firmware register to fetch the panic reason from. */
582 #define B43_FWPANIC_REASON_REG		3
583 /* Firmware panic reason codes */
584 #define B43_FWPANIC_DIE			0 /* Firmware died. Don't auto-restart it. */
585 #define B43_FWPANIC_RESTART		1 /* Firmware died. Schedule a controller reset. */
586 
587 /* The firmware register that contains the watchdog counter. */
588 #define B43_WATCHDOG_REG		1
589 
590 /* Device specific rate values.
591  * The actual values defined here are (rate_in_mbps * 2).
592  * Some code depends on this. Don't change it. */
593 #define B43_CCK_RATE_1MB		0x02
594 #define B43_CCK_RATE_2MB		0x04
595 #define B43_CCK_RATE_5MB		0x0B
596 #define B43_CCK_RATE_11MB		0x16
597 #define B43_OFDM_RATE_6MB		0x0C
598 #define B43_OFDM_RATE_9MB		0x12
599 #define B43_OFDM_RATE_12MB		0x18
600 #define B43_OFDM_RATE_18MB		0x24
601 #define B43_OFDM_RATE_24MB		0x30
602 #define B43_OFDM_RATE_36MB		0x48
603 #define B43_OFDM_RATE_48MB		0x60
604 #define B43_OFDM_RATE_54MB		0x6C
605 /* Convert a b43 rate value to a rate in 100kbps */
606 #define B43_RATE_TO_BASE100KBPS(rate)	(((rate) * 10) / 2)
607 
608 #define B43_DEFAULT_SHORT_RETRY_LIMIT	7
609 #define B43_DEFAULT_LONG_RETRY_LIMIT	4
610 
611 #define B43_PHY_TX_BADNESS_LIMIT	1000
612 
613 /* Max size of a security key */
614 #define B43_SEC_KEYSIZE			16
615 /* Max number of group keys */
616 #define B43_NR_GROUP_KEYS		4
617 /* Max number of pairwise keys */
618 #define B43_NR_PAIRWISE_KEYS		50
619 /* Security algorithms. */
620 enum {
621 	B43_SEC_ALGO_NONE = 0,	/* unencrypted, as of TX header. */
622 	B43_SEC_ALGO_WEP40,
623 	B43_SEC_ALGO_TKIP,
624 	B43_SEC_ALGO_AES,
625 	B43_SEC_ALGO_WEP104,
626 	B43_SEC_ALGO_AES_LEGACY,
627 };
628 
629 struct b43_dmaring;
630 
631 /* The firmware file header */
632 #define B43_FW_TYPE_UCODE	'u'
633 #define B43_FW_TYPE_PCM		'p'
634 #define B43_FW_TYPE_IV		'i'
635 struct b43_fw_header {
636 	/* File type */
637 	u8 type;
638 	/* File format version */
639 	u8 ver;
640 	u8 __padding[2];
641 	/* Size of the data. For ucode and PCM this is in bytes.
642 	 * For IV this is number-of-ivs. */
643 	__be32 size;
644 } __packed;
645 
646 /* Initial Value file format */
647 #define B43_IV_OFFSET_MASK	0x7FFF
648 #define B43_IV_32BIT		0x8000
649 struct b43_iv {
650 	__be16 offset_size;
651 	union {
652 		__be16 d16;
653 		__be32 d32;
654 	} data __packed;
655 } __packed;
656 
657 
658 /* Data structures for DMA transmission, per 80211 core. */
659 struct b43_dma {
660 	struct b43_dmaring *tx_ring_AC_BK; /* Background */
661 	struct b43_dmaring *tx_ring_AC_BE; /* Best Effort */
662 	struct b43_dmaring *tx_ring_AC_VI; /* Video */
663 	struct b43_dmaring *tx_ring_AC_VO; /* Voice */
664 	struct b43_dmaring *tx_ring_mcast; /* Multicast */
665 
666 	struct b43_dmaring *rx_ring;
667 
668 	u32 translation; /* Routing bits */
669 	bool translation_in_low; /* Should translation bit go into low addr? */
670 	bool parity; /* Check for parity */
671 };
672 
673 struct b43_pio_txqueue;
674 struct b43_pio_rxqueue;
675 
676 /* Data structures for PIO transmission, per 80211 core. */
677 struct b43_pio {
678 	struct b43_pio_txqueue *tx_queue_AC_BK; /* Background */
679 	struct b43_pio_txqueue *tx_queue_AC_BE; /* Best Effort */
680 	struct b43_pio_txqueue *tx_queue_AC_VI; /* Video */
681 	struct b43_pio_txqueue *tx_queue_AC_VO; /* Voice */
682 	struct b43_pio_txqueue *tx_queue_mcast; /* Multicast */
683 
684 	struct b43_pio_rxqueue *rx_queue;
685 };
686 
687 /* Context information for a noise calculation (Link Quality). */
688 struct b43_noise_calculation {
689 	bool calculation_running;
690 	u8 nr_samples;
691 	s8 samples[8][4];
692 };
693 
694 struct b43_stats {
695 	u8 link_noise;
696 };
697 
698 struct b43_key {
699 	/* If keyconf is NULL, this key is disabled.
700 	 * keyconf is a cookie. Don't derefenrence it outside of the set_key
701 	 * path, because b43 doesn't own it. */
702 	struct ieee80211_key_conf *keyconf;
703 	u8 algorithm;
704 };
705 
706 /* SHM offsets to the QOS data structures for the 4 different queues. */
707 #define B43_QOS_QUEUE_NUM	4
708 #define B43_QOS_PARAMS(queue)	(B43_SHM_SH_EDCFQ + \
709 				 (B43_NR_QOSPARAMS * sizeof(u16) * (queue)))
710 #define B43_QOS_BACKGROUND	B43_QOS_PARAMS(0)
711 #define B43_QOS_BESTEFFORT	B43_QOS_PARAMS(1)
712 #define B43_QOS_VIDEO		B43_QOS_PARAMS(2)
713 #define B43_QOS_VOICE		B43_QOS_PARAMS(3)
714 
715 /* QOS parameter hardware data structure offsets. */
716 #define B43_NR_QOSPARAMS	16
717 enum {
718 	B43_QOSPARAM_TXOP = 0,
719 	B43_QOSPARAM_CWMIN,
720 	B43_QOSPARAM_CWMAX,
721 	B43_QOSPARAM_CWCUR,
722 	B43_QOSPARAM_AIFS,
723 	B43_QOSPARAM_BSLOTS,
724 	B43_QOSPARAM_REGGAP,
725 	B43_QOSPARAM_STATUS,
726 };
727 
728 /* QOS parameters for a queue. */
729 struct b43_qos_params {
730 	/* The QOS parameters */
731 	struct ieee80211_tx_queue_params p;
732 };
733 
734 struct b43_wl;
735 
736 /* The type of the firmware file. */
737 enum b43_firmware_file_type {
738 	B43_FWTYPE_PROPRIETARY,
739 	B43_FWTYPE_OPENSOURCE,
740 	B43_NR_FWTYPES,
741 };
742 
743 /* Context data for fetching firmware. */
744 struct b43_request_fw_context {
745 	/* The device we are requesting the fw for. */
746 	struct b43_wldev *dev;
747 	/* a pointer to the firmware object */
748 	const struct firmware *blob;
749 	/* The type of firmware to request. */
750 	enum b43_firmware_file_type req_type;
751 	/* Error messages for each firmware type. */
752 	char errors[B43_NR_FWTYPES][128];
753 	/* Temporary buffer for storing the firmware name. */
754 	char fwname[64];
755 	/* A fatal error occurred while requesting. Firmware request
756 	 * can not continue, as any other request will also fail. */
757 	int fatal_failure;
758 };
759 
760 /* In-memory representation of a cached microcode file. */
761 struct b43_firmware_file {
762 	const char *filename;
763 	const struct firmware *data;
764 	/* Type of the firmware file name. Note that this does only indicate
765 	 * the type by the firmware name. NOT the file contents.
766 	 * If you want to check for proprietary vs opensource, use (struct b43_firmware)->opensource
767 	 * instead! The (struct b43_firmware)->opensource flag is derived from the actual firmware
768 	 * binary code, not just the filename.
769 	 */
770 	enum b43_firmware_file_type type;
771 };
772 
773 enum b43_firmware_hdr_format {
774 	B43_FW_HDR_598,
775 	B43_FW_HDR_410,
776 	B43_FW_HDR_351,
777 };
778 
779 /* Pointers to the firmware data and meta information about it. */
780 struct b43_firmware {
781 	/* Microcode */
782 	struct b43_firmware_file ucode;
783 	/* PCM code */
784 	struct b43_firmware_file pcm;
785 	/* Initial MMIO values for the firmware */
786 	struct b43_firmware_file initvals;
787 	/* Initial MMIO values for the firmware, band-specific */
788 	struct b43_firmware_file initvals_band;
789 
790 	/* Firmware revision */
791 	u16 rev;
792 	/* Firmware patchlevel */
793 	u16 patch;
794 
795 	/* Format of header used by firmware */
796 	enum b43_firmware_hdr_format hdr_format;
797 
798 	/* Set to true, if we are using an opensource firmware.
799 	 * Use this to check for proprietary vs opensource. */
800 	bool opensource;
801 	/* Set to true, if the core needs a PCM firmware, but
802 	 * we failed to load one. This is always false for
803 	 * core rev > 10, as these don't need PCM firmware. */
804 	bool pcm_request_failed;
805 };
806 
807 enum b43_band {
808 	B43_BAND_2G = 0,
809 	B43_BAND_5G_LO = 1,
810 	B43_BAND_5G_MI = 2,
811 	B43_BAND_5G_HI = 3,
812 };
813 
814 /* Device (802.11 core) initialization status. */
815 enum {
816 	B43_STAT_UNINIT = 0,	/* Uninitialized. */
817 	B43_STAT_INITIALIZED = 1,	/* Initialized, but not started, yet. */
818 	B43_STAT_STARTED = 2,	/* Up and running. */
819 };
820 #define b43_status(wldev)		atomic_read(&(wldev)->__init_status)
821 #define b43_set_status(wldev, stat)	do {			\
822 		atomic_set(&(wldev)->__init_status, (stat));	\
823 		smp_wmb();					\
824 					} while (0)
825 
826 /* Data structure for one wireless device (802.11 core) */
827 struct b43_wldev {
828 	struct b43_bus_dev *dev;
829 	struct b43_wl *wl;
830 	/* a completion event structure needed if this call is asynchronous */
831 	struct completion fw_load_complete;
832 
833 	/* The device initialization status.
834 	 * Use b43_status() to query. */
835 	atomic_t __init_status;
836 
837 	bool bad_frames_preempt;	/* Use "Bad Frames Preemption" (default off) */
838 	bool dfq_valid;		/* Directed frame queue valid (IBSS PS mode, ATIM) */
839 	bool radio_hw_enable;	/* saved state of radio hardware enabled state */
840 	bool qos_enabled;		/* TRUE, if QoS is used. */
841 	bool hwcrypto_enabled;		/* TRUE, if HW crypto acceleration is enabled. */
842 	bool use_pio;			/* TRUE if next init should use PIO */
843 
844 	/* PHY/Radio device. */
845 	struct b43_phy phy;
846 
847 	union {
848 		/* DMA engines. */
849 		struct b43_dma dma;
850 		/* PIO engines. */
851 		struct b43_pio pio;
852 	};
853 	/* Use b43_using_pio_transfers() to check whether we are using
854 	 * DMA or PIO data transfers. */
855 	bool __using_pio_transfers;
856 
857 	/* Various statistics about the physical device. */
858 	struct b43_stats stats;
859 
860 	/* Reason code of the last interrupt. */
861 	u32 irq_reason;
862 	u32 dma_reason[6];
863 	/* The currently active generic-interrupt mask. */
864 	u32 irq_mask;
865 
866 	/* Link Quality calculation context. */
867 	struct b43_noise_calculation noisecalc;
868 	/* if > 0 MAC is suspended. if == 0 MAC is enabled. */
869 	int mac_suspended;
870 
871 	/* Periodic tasks */
872 	struct delayed_work periodic_work;
873 	unsigned int periodic_state;
874 
875 	struct work_struct restart_work;
876 
877 	/* encryption/decryption */
878 	u16 ktp;		/* Key table pointer */
879 	struct b43_key key[B43_NR_GROUP_KEYS * 2 + B43_NR_PAIRWISE_KEYS];
880 
881 	/* Firmware data */
882 	struct b43_firmware fw;
883 
884 	/* Devicelist in struct b43_wl (all 802.11 cores) */
885 	struct list_head list;
886 
887 	/* Debugging stuff follows. */
888 #ifdef CONFIG_B43_DEBUG
889 	struct b43_dfsentry *dfsentry;
890 	unsigned int irq_count;
891 	unsigned int irq_bit_count[32];
892 	unsigned int tx_count;
893 	unsigned int rx_count;
894 #endif
895 };
896 
897 /* Data structure for the WLAN parts (802.11 cores) of the b43 chip. */
898 struct b43_wl {
899 	/* Pointer to the active wireless device on this chip */
900 	struct b43_wldev *current_dev;
901 	/* Pointer to the ieee80211 hardware data structure */
902 	struct ieee80211_hw *hw;
903 
904 	/* Global driver mutex. Every operation must run with this mutex locked. */
905 	struct mutex mutex;
906 	/* Hard-IRQ spinlock. This lock protects things used in the hard-IRQ
907 	 * handler, only. This basically is just the IRQ mask register. */
908 	spinlock_t hardirq_lock;
909 
910 	/* Set this if we call ieee80211_register_hw() and check if we call
911 	 * ieee80211_unregister_hw(). */
912 	bool hw_registered;
913 
914 	/* We can only have one operating interface (802.11 core)
915 	 * at a time. General information about this interface follows.
916 	 */
917 
918 	struct ieee80211_vif *vif;
919 	/* The MAC address of the operating interface. */
920 	u8 mac_addr[ETH_ALEN];
921 	/* Current BSSID */
922 	u8 bssid[ETH_ALEN];
923 	/* Interface type. (NL80211_IFTYPE_XXX) */
924 	int if_type;
925 	/* Is the card operating in AP, STA or IBSS mode? */
926 	bool operating;
927 	/* filter flags */
928 	unsigned int filter_flags;
929 	/* Stats about the wireless interface */
930 	struct ieee80211_low_level_stats ieee_stats;
931 
932 #ifdef CONFIG_B43_HWRNG
933 	struct hwrng rng;
934 	bool rng_initialized;
935 	char rng_name[30 + 1];
936 #endif /* CONFIG_B43_HWRNG */
937 
938 	bool radiotap_enabled;
939 	bool radio_enabled;
940 
941 	/* The beacon we are currently using (AP or IBSS mode). */
942 	struct sk_buff *current_beacon;
943 	bool beacon0_uploaded;
944 	bool beacon1_uploaded;
945 	bool beacon_templates_virgin; /* Never wrote the templates? */
946 	struct work_struct beacon_update_trigger;
947 	spinlock_t beacon_lock;
948 
949 	/* The current QOS parameters for the 4 queues. */
950 	struct b43_qos_params qos_params[B43_QOS_QUEUE_NUM];
951 
952 	/* Work for adjustment of the transmission power.
953 	 * This is scheduled when we determine that the actual TX output
954 	 * power doesn't match what we want. */
955 	struct work_struct txpower_adjust_work;
956 
957 	/* Packet transmit work */
958 	struct work_struct tx_work;
959 
960 	/* Queue of packets to be transmitted. */
961 	struct sk_buff_head tx_queue[B43_QOS_QUEUE_NUM];
962 
963 	/* Flag that implement the queues stopping. */
964 	bool tx_queue_stopped[B43_QOS_QUEUE_NUM];
965 
966 	/* firmware loading work */
967 	struct work_struct firmware_load;
968 
969 	/* The device LEDs. */
970 	struct b43_leds leds;
971 
972 	/* Kmalloc'ed scratch space for PIO TX/RX. Protected by wl->mutex. */
973 	u8 pio_scratchspace[118] __attribute__((__aligned__(8)));
974 	u8 pio_tailspace[4] __attribute__((__aligned__(8)));
975 };
976 
977 static inline struct b43_wl *hw_to_b43_wl(struct ieee80211_hw *hw)
978 {
979 	return hw->priv;
980 }
981 
982 static inline struct b43_wldev *dev_to_b43_wldev(struct device *dev)
983 {
984 	struct ssb_device *ssb_dev = dev_to_ssb_dev(dev);
985 	return ssb_get_drvdata(ssb_dev);
986 }
987 
988 /* Is the device operating in a specified mode (NL80211_IFTYPE_XXX). */
989 static inline int b43_is_mode(struct b43_wl *wl, int type)
990 {
991 	return (wl->operating && wl->if_type == type);
992 }
993 
994 /**
995  * b43_current_band - Returns the currently used band.
996  * Returns one of NL80211_BAND_2GHZ and NL80211_BAND_5GHZ.
997  */
998 static inline enum nl80211_band b43_current_band(struct b43_wl *wl)
999 {
1000 	return wl->hw->conf.chandef.chan->band;
1001 }
1002 
1003 static inline int b43_bus_may_powerdown(struct b43_wldev *wldev)
1004 {
1005 	return wldev->dev->bus_may_powerdown(wldev->dev);
1006 }
1007 static inline int b43_bus_powerup(struct b43_wldev *wldev, bool dynamic_pctl)
1008 {
1009 	return wldev->dev->bus_powerup(wldev->dev, dynamic_pctl);
1010 }
1011 static inline int b43_device_is_enabled(struct b43_wldev *wldev)
1012 {
1013 	return wldev->dev->device_is_enabled(wldev->dev);
1014 }
1015 static inline void b43_device_enable(struct b43_wldev *wldev,
1016 				     u32 core_specific_flags)
1017 {
1018 	wldev->dev->device_enable(wldev->dev, core_specific_flags);
1019 }
1020 static inline void b43_device_disable(struct b43_wldev *wldev,
1021 				      u32 core_specific_flags)
1022 {
1023 	wldev->dev->device_disable(wldev->dev, core_specific_flags);
1024 }
1025 
1026 static inline u16 b43_read16(struct b43_wldev *dev, u16 offset)
1027 {
1028 	return dev->dev->read16(dev->dev, offset);
1029 }
1030 
1031 static inline void b43_write16(struct b43_wldev *dev, u16 offset, u16 value)
1032 {
1033 	dev->dev->write16(dev->dev, offset, value);
1034 }
1035 
1036 /* To optimize this check for flush_writes on BCM47XX_BCMA only. */
1037 static inline void b43_write16f(struct b43_wldev *dev, u16 offset, u16 value)
1038 {
1039 	b43_write16(dev, offset, value);
1040 #if defined(CONFIG_BCM47XX_BCMA)
1041 	if (dev->dev->flush_writes)
1042 		b43_read16(dev, offset);
1043 #endif
1044 }
1045 
1046 static inline void b43_maskset16(struct b43_wldev *dev, u16 offset, u16 mask,
1047 				 u16 set)
1048 {
1049 	b43_write16(dev, offset, (b43_read16(dev, offset) & mask) | set);
1050 }
1051 
1052 static inline u32 b43_read32(struct b43_wldev *dev, u16 offset)
1053 {
1054 	return dev->dev->read32(dev->dev, offset);
1055 }
1056 
1057 static inline void b43_write32(struct b43_wldev *dev, u16 offset, u32 value)
1058 {
1059 	dev->dev->write32(dev->dev, offset, value);
1060 }
1061 
1062 static inline void b43_maskset32(struct b43_wldev *dev, u16 offset, u32 mask,
1063 				 u32 set)
1064 {
1065 	b43_write32(dev, offset, (b43_read32(dev, offset) & mask) | set);
1066 }
1067 
1068 static inline void b43_block_read(struct b43_wldev *dev, void *buffer,
1069 				 size_t count, u16 offset, u8 reg_width)
1070 {
1071 	dev->dev->block_read(dev->dev, buffer, count, offset, reg_width);
1072 }
1073 
1074 static inline void b43_block_write(struct b43_wldev *dev, const void *buffer,
1075 				   size_t count, u16 offset, u8 reg_width)
1076 {
1077 	dev->dev->block_write(dev->dev, buffer, count, offset, reg_width);
1078 }
1079 
1080 static inline bool b43_using_pio_transfers(struct b43_wldev *dev)
1081 {
1082 	return dev->__using_pio_transfers;
1083 }
1084 
1085 /* Message printing */
1086 __printf(2, 3) void b43info(struct b43_wl *wl, const char *fmt, ...);
1087 __printf(2, 3) void b43err(struct b43_wl *wl, const char *fmt, ...);
1088 __printf(2, 3) void b43warn(struct b43_wl *wl, const char *fmt, ...);
1089 __printf(2, 3) void b43dbg(struct b43_wl *wl, const char *fmt, ...);
1090 
1091 
1092 /* A WARN_ON variant that vanishes when b43 debugging is disabled.
1093  * This _also_ evaluates the arg with debugging disabled. */
1094 #if B43_DEBUG
1095 # define B43_WARN_ON(x)	WARN_ON(x)
1096 #else
1097 static inline bool __b43_warn_on_dummy(bool x) { return x; }
1098 # define B43_WARN_ON(x)	__b43_warn_on_dummy(unlikely(!!(x)))
1099 #endif
1100 
1101 /* Convert an integer to a Q5.2 value */
1102 #define INT_TO_Q52(i)	((i) << 2)
1103 /* Convert a Q5.2 value to an integer (precision loss!) */
1104 #define Q52_TO_INT(q52)	((q52) >> 2)
1105 /* Macros for printing a value in Q5.2 format */
1106 #define Q52_FMT		"%u.%u"
1107 #define Q52_ARG(q52)	Q52_TO_INT(q52), ((((q52) & 0x3) * 100) / 4)
1108 
1109 #endif /* B43_H_ */
1110