1 /* ZD1211 USB-WLAN driver for Linux
2  *
3  * Copyright (C) 2005-2007 Ulrich Kunitz <kune@deine-taler.de>
4  * Copyright (C) 2006-2007 Daniel Drake <dsd@gentoo.org>
5  *
6  * This program is free software; you can redistribute it and/or modify
7  * it under the terms of the GNU General Public License as published by
8  * the Free Software Foundation; either version 2 of the License, or
9  * (at your option) any later version.
10  *
11  * This program is distributed in the hope that it will be useful,
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14  * GNU General Public License for more details.
15  *
16  * You should have received a copy of the GNU General Public License
17  * along with this program; if not, write to the Free Software
18  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
19  */
20 
21 #ifndef _ZD_CHIP_H
22 #define _ZD_CHIP_H
23 
24 #include "zd_rf.h"
25 #include "zd_usb.h"
26 
27 /* Header for the Media Access Controller (MAC) and the Baseband Processor
28  * (BBP). It appears that the ZD1211 wraps the old ZD1205 with USB glue and
29  * adds a processor for handling the USB protocol.
30  */
31 
32 /* Address space */
33 enum {
34 	/* CONTROL REGISTERS */
35 	CR_START			= 0x9000,
36 
37 
38 	/* FIRMWARE */
39 	FW_START			= 0xee00,
40 
41 
42 	/* EEPROM */
43 	E2P_START			= 0xf800,
44 	E2P_LEN				= 0x800,
45 
46 	/* EEPROM layout */
47 	E2P_LOAD_CODE_LEN		= 0xe,		/* base 0xf800 */
48 	E2P_LOAD_VECT_LEN		= 0x9,		/* base 0xf80e */
49 	/* E2P_DATA indexes into this */
50 	E2P_DATA_LEN			= 0x7e,		/* base 0xf817 */
51 	E2P_BOOT_CODE_LEN		= 0x760,	/* base 0xf895 */
52 	E2P_INTR_VECT_LEN		= 0xb,		/* base 0xfff5 */
53 
54 	/* Some precomputed offsets into the EEPROM */
55 	E2P_DATA_OFFSET			= E2P_LOAD_CODE_LEN + E2P_LOAD_VECT_LEN,
56 	E2P_BOOT_CODE_OFFSET		= E2P_DATA_OFFSET + E2P_DATA_LEN,
57 };
58 
59 #define CTL_REG(offset) ((zd_addr_t)(CR_START + (offset)))
60 #define E2P_DATA(offset) ((zd_addr_t)(E2P_START + E2P_DATA_OFFSET + (offset)))
61 #define FWRAW_DATA(offset) ((zd_addr_t)(FW_START + (offset)))
62 
63 /* 8-bit hardware registers */
64 #define CR0   CTL_REG(0x0000)
65 #define CR1   CTL_REG(0x0004)
66 #define CR2   CTL_REG(0x0008)
67 #define CR3   CTL_REG(0x000C)
68 
69 #define CR5   CTL_REG(0x0010)
70 /*	bit 5: if set short preamble used
71  *	bit 6: filter band - Japan channel 14 on, else off
72  */
73 #define CR6   CTL_REG(0x0014)
74 #define CR7   CTL_REG(0x0018)
75 #define CR8   CTL_REG(0x001C)
76 
77 #define CR4   CTL_REG(0x0020)
78 
79 #define CR9   CTL_REG(0x0024)
80 /*	bit 2: antenna switch (together with CR10) */
81 #define CR10  CTL_REG(0x0028)
82 /*	bit 1: antenna switch (together with CR9)
83  *	RF2959 controls with CR11 radion on and off
84  */
85 #define CR11  CTL_REG(0x002C)
86 /*	bit 6:  TX power control for OFDM
87  *	RF2959 controls with CR10 radio on and off
88  */
89 #define CR12  CTL_REG(0x0030)
90 #define CR13  CTL_REG(0x0034)
91 #define CR14  CTL_REG(0x0038)
92 #define CR15  CTL_REG(0x003C)
93 #define CR16  CTL_REG(0x0040)
94 #define CR17  CTL_REG(0x0044)
95 #define CR18  CTL_REG(0x0048)
96 #define CR19  CTL_REG(0x004C)
97 #define CR20  CTL_REG(0x0050)
98 #define CR21  CTL_REG(0x0054)
99 #define CR22  CTL_REG(0x0058)
100 #define CR23  CTL_REG(0x005C)
101 #define CR24  CTL_REG(0x0060)	/* CCA threshold */
102 #define CR25  CTL_REG(0x0064)
103 #define CR26  CTL_REG(0x0068)
104 #define CR27  CTL_REG(0x006C)
105 #define CR28  CTL_REG(0x0070)
106 #define CR29  CTL_REG(0x0074)
107 #define CR30  CTL_REG(0x0078)
108 #define CR31  CTL_REG(0x007C)	/* TX power control for RF in CCK mode */
109 #define CR32  CTL_REG(0x0080)
110 #define CR33  CTL_REG(0x0084)
111 #define CR34  CTL_REG(0x0088)
112 #define CR35  CTL_REG(0x008C)
113 #define CR36  CTL_REG(0x0090)
114 #define CR37  CTL_REG(0x0094)
115 #define CR38  CTL_REG(0x0098)
116 #define CR39  CTL_REG(0x009C)
117 #define CR40  CTL_REG(0x00A0)
118 #define CR41  CTL_REG(0x00A4)
119 #define CR42  CTL_REG(0x00A8)
120 #define CR43  CTL_REG(0x00AC)
121 #define CR44  CTL_REG(0x00B0)
122 #define CR45  CTL_REG(0x00B4)
123 #define CR46  CTL_REG(0x00B8)
124 #define CR47  CTL_REG(0x00BC)	/* CCK baseband gain
125 	                         * (patch value might be in EEPROM)
126 				 */
127 #define CR48  CTL_REG(0x00C0)
128 #define CR49  CTL_REG(0x00C4)
129 #define CR50  CTL_REG(0x00C8)
130 #define CR51  CTL_REG(0x00CC)	/* TX power control for RF in 6-36M modes */
131 #define CR52  CTL_REG(0x00D0)	/* TX power control for RF in 48M mode */
132 #define CR53  CTL_REG(0x00D4)	/* TX power control for RF in 54M mode */
133 #define CR54  CTL_REG(0x00D8)
134 #define CR55  CTL_REG(0x00DC)
135 #define CR56  CTL_REG(0x00E0)
136 #define CR57  CTL_REG(0x00E4)
137 #define CR58  CTL_REG(0x00E8)
138 #define CR59  CTL_REG(0x00EC)
139 #define CR60  CTL_REG(0x00F0)
140 #define CR61  CTL_REG(0x00F4)
141 #define CR62  CTL_REG(0x00F8)
142 #define CR63  CTL_REG(0x00FC)
143 #define CR64  CTL_REG(0x0100)
144 #define CR65  CTL_REG(0x0104) /* OFDM 54M calibration */
145 #define CR66  CTL_REG(0x0108) /* OFDM 48M calibration */
146 #define CR67  CTL_REG(0x010C) /* OFDM 36M calibration */
147 #define CR68  CTL_REG(0x0110) /* CCK calibration */
148 #define CR69  CTL_REG(0x0114)
149 #define CR70  CTL_REG(0x0118)
150 #define CR71  CTL_REG(0x011C)
151 #define CR72  CTL_REG(0x0120)
152 #define CR73  CTL_REG(0x0124)
153 #define CR74  CTL_REG(0x0128)
154 #define CR75  CTL_REG(0x012C)
155 #define CR76  CTL_REG(0x0130)
156 #define CR77  CTL_REG(0x0134)
157 #define CR78  CTL_REG(0x0138)
158 #define CR79  CTL_REG(0x013C)
159 #define CR80  CTL_REG(0x0140)
160 #define CR81  CTL_REG(0x0144)
161 #define CR82  CTL_REG(0x0148)
162 #define CR83  CTL_REG(0x014C)
163 #define CR84  CTL_REG(0x0150)
164 #define CR85  CTL_REG(0x0154)
165 #define CR86  CTL_REG(0x0158)
166 #define CR87  CTL_REG(0x015C)
167 #define CR88  CTL_REG(0x0160)
168 #define CR89  CTL_REG(0x0164)
169 #define CR90  CTL_REG(0x0168)
170 #define CR91  CTL_REG(0x016C)
171 #define CR92  CTL_REG(0x0170)
172 #define CR93  CTL_REG(0x0174)
173 #define CR94  CTL_REG(0x0178)
174 #define CR95  CTL_REG(0x017C)
175 #define CR96  CTL_REG(0x0180)
176 #define CR97  CTL_REG(0x0184)
177 #define CR98  CTL_REG(0x0188)
178 #define CR99  CTL_REG(0x018C)
179 #define CR100 CTL_REG(0x0190)
180 #define CR101 CTL_REG(0x0194)
181 #define CR102 CTL_REG(0x0198)
182 #define CR103 CTL_REG(0x019C)
183 #define CR104 CTL_REG(0x01A0)
184 #define CR105 CTL_REG(0x01A4)
185 #define CR106 CTL_REG(0x01A8)
186 #define CR107 CTL_REG(0x01AC)
187 #define CR108 CTL_REG(0x01B0)
188 #define CR109 CTL_REG(0x01B4)
189 #define CR110 CTL_REG(0x01B8)
190 #define CR111 CTL_REG(0x01BC)
191 #define CR112 CTL_REG(0x01C0)
192 #define CR113 CTL_REG(0x01C4)
193 #define CR114 CTL_REG(0x01C8)
194 #define CR115 CTL_REG(0x01CC)
195 #define CR116 CTL_REG(0x01D0)
196 #define CR117 CTL_REG(0x01D4)
197 #define CR118 CTL_REG(0x01D8)
198 #define CR119 CTL_REG(0x01DC)
199 #define CR120 CTL_REG(0x01E0)
200 #define CR121 CTL_REG(0x01E4)
201 #define CR122 CTL_REG(0x01E8)
202 #define CR123 CTL_REG(0x01EC)
203 #define CR124 CTL_REG(0x01F0)
204 #define CR125 CTL_REG(0x01F4)
205 #define CR126 CTL_REG(0x01F8)
206 #define CR127 CTL_REG(0x01FC)
207 #define CR128 CTL_REG(0x0200)
208 #define CR129 CTL_REG(0x0204)
209 #define CR130 CTL_REG(0x0208)
210 #define CR131 CTL_REG(0x020C)
211 #define CR132 CTL_REG(0x0210)
212 #define CR133 CTL_REG(0x0214)
213 #define CR134 CTL_REG(0x0218)
214 #define CR135 CTL_REG(0x021C)
215 #define CR136 CTL_REG(0x0220)
216 #define CR137 CTL_REG(0x0224)
217 #define CR138 CTL_REG(0x0228)
218 #define CR139 CTL_REG(0x022C)
219 #define CR140 CTL_REG(0x0230)
220 #define CR141 CTL_REG(0x0234)
221 #define CR142 CTL_REG(0x0238)
222 #define CR143 CTL_REG(0x023C)
223 #define CR144 CTL_REG(0x0240)
224 #define CR145 CTL_REG(0x0244)
225 #define CR146 CTL_REG(0x0248)
226 #define CR147 CTL_REG(0x024C)
227 #define CR148 CTL_REG(0x0250)
228 #define CR149 CTL_REG(0x0254)
229 #define CR150 CTL_REG(0x0258)
230 #define CR151 CTL_REG(0x025C)
231 #define CR152 CTL_REG(0x0260)
232 #define CR153 CTL_REG(0x0264)
233 #define CR154 CTL_REG(0x0268)
234 #define CR155 CTL_REG(0x026C)
235 #define CR156 CTL_REG(0x0270)
236 #define CR157 CTL_REG(0x0274)
237 #define CR158 CTL_REG(0x0278)
238 #define CR159 CTL_REG(0x027C)
239 #define CR160 CTL_REG(0x0280)
240 #define CR161 CTL_REG(0x0284)
241 #define CR162 CTL_REG(0x0288)
242 #define CR163 CTL_REG(0x028C)
243 #define CR164 CTL_REG(0x0290)
244 #define CR165 CTL_REG(0x0294)
245 #define CR166 CTL_REG(0x0298)
246 #define CR167 CTL_REG(0x029C)
247 #define CR168 CTL_REG(0x02A0)
248 #define CR169 CTL_REG(0x02A4)
249 #define CR170 CTL_REG(0x02A8)
250 #define CR171 CTL_REG(0x02AC)
251 #define CR172 CTL_REG(0x02B0)
252 #define CR173 CTL_REG(0x02B4)
253 #define CR174 CTL_REG(0x02B8)
254 #define CR175 CTL_REG(0x02BC)
255 #define CR176 CTL_REG(0x02C0)
256 #define CR177 CTL_REG(0x02C4)
257 #define CR178 CTL_REG(0x02C8)
258 #define CR179 CTL_REG(0x02CC)
259 #define CR180 CTL_REG(0x02D0)
260 #define CR181 CTL_REG(0x02D4)
261 #define CR182 CTL_REG(0x02D8)
262 #define CR183 CTL_REG(0x02DC)
263 #define CR184 CTL_REG(0x02E0)
264 #define CR185 CTL_REG(0x02E4)
265 #define CR186 CTL_REG(0x02E8)
266 #define CR187 CTL_REG(0x02EC)
267 #define CR188 CTL_REG(0x02F0)
268 #define CR189 CTL_REG(0x02F4)
269 #define CR190 CTL_REG(0x02F8)
270 #define CR191 CTL_REG(0x02FC)
271 #define CR192 CTL_REG(0x0300)
272 #define CR193 CTL_REG(0x0304)
273 #define CR194 CTL_REG(0x0308)
274 #define CR195 CTL_REG(0x030C)
275 #define CR196 CTL_REG(0x0310)
276 #define CR197 CTL_REG(0x0314)
277 #define CR198 CTL_REG(0x0318)
278 #define CR199 CTL_REG(0x031C)
279 #define CR200 CTL_REG(0x0320)
280 #define CR201 CTL_REG(0x0324)
281 #define CR202 CTL_REG(0x0328)
282 #define CR203 CTL_REG(0x032C)	/* I2C bus template value & flash control */
283 #define CR204 CTL_REG(0x0330)
284 #define CR205 CTL_REG(0x0334)
285 #define CR206 CTL_REG(0x0338)
286 #define CR207 CTL_REG(0x033C)
287 #define CR208 CTL_REG(0x0340)
288 #define CR209 CTL_REG(0x0344)
289 #define CR210 CTL_REG(0x0348)
290 #define CR211 CTL_REG(0x034C)
291 #define CR212 CTL_REG(0x0350)
292 #define CR213 CTL_REG(0x0354)
293 #define CR214 CTL_REG(0x0358)
294 #define CR215 CTL_REG(0x035C)
295 #define CR216 CTL_REG(0x0360)
296 #define CR217 CTL_REG(0x0364)
297 #define CR218 CTL_REG(0x0368)
298 #define CR219 CTL_REG(0x036C)
299 #define CR220 CTL_REG(0x0370)
300 #define CR221 CTL_REG(0x0374)
301 #define CR222 CTL_REG(0x0378)
302 #define CR223 CTL_REG(0x037C)
303 #define CR224 CTL_REG(0x0380)
304 #define CR225 CTL_REG(0x0384)
305 #define CR226 CTL_REG(0x0388)
306 #define CR227 CTL_REG(0x038C)
307 #define CR228 CTL_REG(0x0390)
308 #define CR229 CTL_REG(0x0394)
309 #define CR230 CTL_REG(0x0398)
310 #define CR231 CTL_REG(0x039C)
311 #define CR232 CTL_REG(0x03A0)
312 #define CR233 CTL_REG(0x03A4)
313 #define CR234 CTL_REG(0x03A8)
314 #define CR235 CTL_REG(0x03AC)
315 #define CR236 CTL_REG(0x03B0)
316 
317 #define CR240 CTL_REG(0x03C0)
318 /*	bit 7:  host-controlled RF register writes
319  * CR241-CR245: for hardware controlled writing of RF bits, not needed for
320  *              USB
321  */
322 #define CR241 CTL_REG(0x03C4)
323 #define CR242 CTL_REG(0x03C8)
324 #define CR243 CTL_REG(0x03CC)
325 #define CR244 CTL_REG(0x03D0)
326 #define CR245 CTL_REG(0x03D4)
327 
328 #define CR251 CTL_REG(0x03EC)	/* only used for activation and deactivation of
329 				 * Airoha RFs AL2230 and AL7230B
330 				 */
331 #define CR252 CTL_REG(0x03F0)
332 #define CR253 CTL_REG(0x03F4)
333 #define CR254 CTL_REG(0x03F8)
334 #define CR255 CTL_REG(0x03FC)
335 
336 #define CR_MAX_PHY_REG 255
337 
338 /* Taken from the ZYDAS driver, not all of them are relevant for the ZD1211
339  * driver.
340  */
341 
342 #define CR_RF_IF_CLK			CTL_REG(0x0400)
343 #define CR_RF_IF_DATA			CTL_REG(0x0404)
344 #define CR_PE1_PE2			CTL_REG(0x0408)
345 #define CR_PE2_DLY			CTL_REG(0x040C)
346 #define CR_LE1				CTL_REG(0x0410)
347 #define CR_LE2				CTL_REG(0x0414)
348 /* Seems to enable/disable GPI (General Purpose IO?) */
349 #define CR_GPI_EN			CTL_REG(0x0418)
350 #define CR_RADIO_PD			CTL_REG(0x042C)
351 #define CR_RF2948_PD			CTL_REG(0x042C)
352 #define CR_ENABLE_PS_MANUAL_AGC		CTL_REG(0x043C)
353 #define CR_CONFIG_PHILIPS		CTL_REG(0x0440)
354 #define CR_SA2400_SER_AP		CTL_REG(0x0444)
355 #define CR_I2C_WRITE			CTL_REG(0x0444)
356 #define CR_SA2400_SER_RP		CTL_REG(0x0448)
357 #define CR_RADIO_PE			CTL_REG(0x0458)
358 #define CR_RST_BUS_MASTER		CTL_REG(0x045C)
359 #define CR_RFCFG			CTL_REG(0x0464)
360 #define CR_HSTSCHG			CTL_REG(0x046C)
361 #define CR_PHY_ON			CTL_REG(0x0474)
362 #define CR_RX_DELAY			CTL_REG(0x0478)
363 #define CR_RX_PE_DELAY			CTL_REG(0x047C)
364 #define CR_GPIO_1			CTL_REG(0x0490)
365 #define CR_GPIO_2			CTL_REG(0x0494)
366 #define CR_EncryBufMux			CTL_REG(0x04A8)
367 #define CR_PS_CTRL			CTL_REG(0x0500)
368 #define CR_ADDA_PWR_DWN			CTL_REG(0x0504)
369 #define CR_ADDA_MBIAS_WARMTIME		CTL_REG(0x0508)
370 #define CR_MAC_PS_STATE			CTL_REG(0x050C)
371 
372 #define CR_INTERRUPT			CTL_REG(0x0510)
373 #define INT_TX_COMPLETE			(1 <<  0)
374 #define INT_RX_COMPLETE			(1 <<  1)
375 #define INT_RETRY_FAIL			(1 <<  2)
376 #define INT_WAKEUP			(1 <<  3)
377 #define INT_DTIM_NOTIFY			(1 <<  5)
378 #define INT_CFG_NEXT_BCN		(1 <<  6)
379 #define INT_BUS_ABORT			(1 <<  7)
380 #define INT_TX_FIFO_READY		(1 <<  8)
381 #define INT_UART			(1 <<  9)
382 #define INT_TX_COMPLETE_EN		(1 << 16)
383 #define INT_RX_COMPLETE_EN		(1 << 17)
384 #define INT_RETRY_FAIL_EN		(1 << 18)
385 #define INT_WAKEUP_EN			(1 << 19)
386 #define INT_DTIM_NOTIFY_EN		(1 << 21)
387 #define INT_CFG_NEXT_BCN_EN		(1 << 22)
388 #define INT_BUS_ABORT_EN		(1 << 23)
389 #define INT_TX_FIFO_READY_EN		(1 << 24)
390 #define INT_UART_EN			(1 << 25)
391 
392 #define CR_TSF_LOW_PART			CTL_REG(0x0514)
393 #define CR_TSF_HIGH_PART		CTL_REG(0x0518)
394 
395 /* Following three values are in time units (1024us)
396  * Following condition must be met:
397  * atim < tbtt < bcn
398  */
399 #define CR_ATIM_WND_PERIOD		CTL_REG(0x051C)
400 #define CR_BCN_INTERVAL			CTL_REG(0x0520)
401 #define CR_PRE_TBTT			CTL_REG(0x0524)
402 /* in units of TU(1024us) */
403 
404 /* for UART support */
405 #define CR_UART_RBR_THR_DLL		CTL_REG(0x0540)
406 #define CR_UART_DLM_IER			CTL_REG(0x0544)
407 #define CR_UART_IIR_FCR			CTL_REG(0x0548)
408 #define CR_UART_LCR			CTL_REG(0x054c)
409 #define CR_UART_MCR			CTL_REG(0x0550)
410 #define CR_UART_LSR			CTL_REG(0x0554)
411 #define CR_UART_MSR			CTL_REG(0x0558)
412 #define CR_UART_ECR			CTL_REG(0x055c)
413 #define CR_UART_STATUS			CTL_REG(0x0560)
414 
415 #define CR_PCI_TX_ADDR_P1		CTL_REG(0x0600)
416 #define CR_PCI_TX_AddR_P2		CTL_REG(0x0604)
417 #define CR_PCI_RX_AddR_P1		CTL_REG(0x0608)
418 #define CR_PCI_RX_AddR_P2		CTL_REG(0x060C)
419 
420 /* must be overwritten if custom MAC address will be used */
421 #define CR_MAC_ADDR_P1			CTL_REG(0x0610)
422 #define CR_MAC_ADDR_P2			CTL_REG(0x0614)
423 #define CR_BSSID_P1			CTL_REG(0x0618)
424 #define CR_BSSID_P2			CTL_REG(0x061C)
425 #define CR_BCN_PLCP_CFG			CTL_REG(0x0620)
426 
427 /* Group hash table for filtering incoming packets.
428  *
429  * The group hash table is 64 bit large and split over two parts. The first
430  * part is the lower part. The upper 6 bits of the last byte of the target
431  * address are used as index. Packets are received if the hash table bit is
432  * set. This is used for multicast handling, but for broadcasts (address
433  * ff:ff:ff:ff:ff:ff) the highest bit in the second table must also be set.
434  */
435 #define CR_GROUP_HASH_P1		CTL_REG(0x0624)
436 #define CR_GROUP_HASH_P2		CTL_REG(0x0628)
437 
438 #define CR_RX_TIMEOUT			CTL_REG(0x062C)
439 
440 /* Basic rates supported by the BSS. When producing ACK or CTS messages, the
441  * device will use a rate in this table that is less than or equal to the rate
442  * of the incoming frame which prompted the response. */
443 #define CR_BASIC_RATE_TBL		CTL_REG(0x0630)
444 #define CR_RATE_1M	(1 <<  0)	/* 802.11b */
445 #define CR_RATE_2M	(1 <<  1)	/* 802.11b */
446 #define CR_RATE_5_5M	(1 <<  2)	/* 802.11b */
447 #define CR_RATE_11M	(1 <<  3)	/* 802.11b */
448 #define CR_RATE_6M      (1 <<  8)	/* 802.11g */
449 #define CR_RATE_9M      (1 <<  9)	/* 802.11g */
450 #define CR_RATE_12M	(1 << 10)	/* 802.11g */
451 #define CR_RATE_18M	(1 << 11)	/* 802.11g */
452 #define CR_RATE_24M     (1 << 12)	/* 802.11g */
453 #define CR_RATE_36M     (1 << 13)	/* 802.11g */
454 #define CR_RATE_48M     (1 << 14)	/* 802.11g */
455 #define CR_RATE_54M     (1 << 15)	/* 802.11g */
456 #define CR_RATES_80211G	0xff00
457 #define CR_RATES_80211B	0x000f
458 
459 /* Mandatory rates required in the BSS. When producing ACK or CTS messages, if
460  * the device could not find an appropriate rate in CR_BASIC_RATE_TBL, it will
461  * look for a rate in this table that is less than or equal to the rate of
462  * the incoming frame. */
463 #define CR_MANDATORY_RATE_TBL		CTL_REG(0x0634)
464 #define CR_RTS_CTS_RATE			CTL_REG(0x0638)
465 
466 /* These are all bit indexes in CR_RTS_CTS_RATE, so remember to shift. */
467 #define RTSCTS_SH_RTS_RATE		0
468 #define RTSCTS_SH_EXP_CTS_RATE		4
469 #define RTSCTS_SH_RTS_MOD_TYPE		8
470 #define RTSCTS_SH_RTS_PMB_TYPE		9
471 #define RTSCTS_SH_CTS_RATE		16
472 #define RTSCTS_SH_CTS_MOD_TYPE		24
473 #define RTSCTS_SH_CTS_PMB_TYPE		25
474 
475 #define CR_WEP_PROTECT			CTL_REG(0x063C)
476 #define CR_RX_THRESHOLD			CTL_REG(0x0640)
477 
478 /* register for controlling the LEDS */
479 #define CR_LED				CTL_REG(0x0644)
480 /* masks for controlling LEDs */
481 #define LED1				(1 <<  8)
482 #define LED2				(1 <<  9)
483 #define LED_SW				(1 << 10)
484 
485 /* Seems to indicate that the configuration is over.
486  */
487 #define CR_AFTER_PNP			CTL_REG(0x0648)
488 #define CR_ACK_TIME_80211		CTL_REG(0x0658)
489 
490 #define CR_RX_OFFSET			CTL_REG(0x065c)
491 
492 #define CR_BCN_LENGTH			CTL_REG(0x0664)
493 #define CR_PHY_DELAY			CTL_REG(0x066C)
494 #define CR_BCN_FIFO			CTL_REG(0x0670)
495 #define CR_SNIFFER_ON			CTL_REG(0x0674)
496 
497 #define CR_ENCRYPTION_TYPE		CTL_REG(0x0678)
498 #define NO_WEP				0
499 #define WEP64				1
500 #define WEP128				5
501 #define WEP256				6
502 #define ENC_SNIFFER			8
503 
504 #define CR_ZD1211_RETRY_MAX		CTL_REG(0x067C)
505 
506 #define CR_REG1				CTL_REG(0x0680)
507 /* Setting the bit UNLOCK_PHY_REGS disallows the write access to physical
508  * registers, so one could argue it is a LOCK bit. But calling it
509  * LOCK_PHY_REGS makes it confusing.
510  */
511 #define UNLOCK_PHY_REGS			(1 << 7)
512 
513 #define CR_DEVICE_STATE			CTL_REG(0x0684)
514 #define CR_UNDERRUN_CNT			CTL_REG(0x0688)
515 
516 #define CR_RX_FILTER			CTL_REG(0x068c)
517 #define RX_FILTER_ASSOC_REQUEST		(1 <<  0)
518 #define RX_FILTER_ASSOC_RESPONSE	(1 <<  1)
519 #define RX_FILTER_REASSOC_REQUEST	(1 <<  2)
520 #define RX_FILTER_REASSOC_RESPONSE	(1 <<  3)
521 #define RX_FILTER_PROBE_REQUEST		(1 <<  4)
522 #define RX_FILTER_PROBE_RESPONSE	(1 <<  5)
523 /* bits 6 and 7 reserved */
524 #define RX_FILTER_BEACON		(1 <<  8)
525 #define RX_FILTER_ATIM			(1 <<  9)
526 #define RX_FILTER_DISASSOC		(1 << 10)
527 #define RX_FILTER_AUTH			(1 << 11)
528 #define RX_FILTER_DEAUTH		(1 << 12)
529 #define RX_FILTER_PSPOLL		(1 << 26)
530 #define RX_FILTER_RTS			(1 << 27)
531 #define RX_FILTER_CTS			(1 << 28)
532 #define RX_FILTER_ACK			(1 << 29)
533 #define RX_FILTER_CFEND			(1 << 30)
534 #define RX_FILTER_CFACK			(1 << 31)
535 
536 /* Enable bits for all frames you are interested in. */
537 #define STA_RX_FILTER	(RX_FILTER_ASSOC_REQUEST | RX_FILTER_ASSOC_RESPONSE | \
538 	RX_FILTER_REASSOC_REQUEST | RX_FILTER_REASSOC_RESPONSE | \
539 	RX_FILTER_PROBE_REQUEST | RX_FILTER_PROBE_RESPONSE | \
540 	(0x3 << 6) /* vendor driver sets these reserved bits */ | \
541 	RX_FILTER_BEACON | RX_FILTER_ATIM | RX_FILTER_DISASSOC | \
542 	RX_FILTER_AUTH | RX_FILTER_DEAUTH | \
543 	(0x7 << 13) /* vendor driver sets these reserved bits */ | \
544 	RX_FILTER_PSPOLL | RX_FILTER_ACK) /* 0x2400ffff */
545 
546 #define RX_FILTER_CTRL (RX_FILTER_RTS | RX_FILTER_CTS | \
547 	RX_FILTER_CFEND | RX_FILTER_CFACK)
548 
549 #define BCN_MODE_AP			0x1000000
550 #define BCN_MODE_IBSS			0x2000000
551 
552 /* Monitor mode sets filter to 0xfffff */
553 
554 #define CR_ACK_TIMEOUT_EXT		CTL_REG(0x0690)
555 #define CR_BCN_FIFO_SEMAPHORE		CTL_REG(0x0694)
556 
557 #define CR_IFS_VALUE			CTL_REG(0x0698)
558 #define IFS_VALUE_DIFS_SH		0
559 #define IFS_VALUE_EIFS_SH		12
560 #define IFS_VALUE_SIFS_SH		24
561 #define IFS_VALUE_DEFAULT		((  50 << IFS_VALUE_DIFS_SH) | \
562 					 (1148 << IFS_VALUE_EIFS_SH) | \
563 					 (  10 << IFS_VALUE_SIFS_SH))
564 
565 #define CR_RX_TIME_OUT			CTL_REG(0x069C)
566 #define CR_TOTAL_RX_FRM			CTL_REG(0x06A0)
567 #define CR_CRC32_CNT			CTL_REG(0x06A4)
568 #define CR_CRC16_CNT			CTL_REG(0x06A8)
569 #define CR_DECRYPTION_ERR_UNI		CTL_REG(0x06AC)
570 #define CR_RX_FIFO_OVERRUN		CTL_REG(0x06B0)
571 
572 #define CR_DECRYPTION_ERR_MUL		CTL_REG(0x06BC)
573 
574 #define CR_NAV_CNT			CTL_REG(0x06C4)
575 #define CR_NAV_CCA			CTL_REG(0x06C8)
576 #define CR_RETRY_CNT			CTL_REG(0x06CC)
577 
578 #define CR_READ_TCB_ADDR		CTL_REG(0x06E8)
579 #define CR_READ_RFD_ADDR		CTL_REG(0x06EC)
580 #define CR_CWMIN_CWMAX			CTL_REG(0x06F0)
581 #define CR_TOTAL_TX_FRM			CTL_REG(0x06F4)
582 
583 /* CAM: Continuous Access Mode (power management) */
584 #define CR_CAM_MODE			CTL_REG(0x0700)
585 #define MODE_IBSS			0x0
586 #define MODE_AP				0x1
587 #define MODE_STA			0x2
588 #define MODE_AP_WDS			0x3
589 
590 #define CR_CAM_ROLL_TB_LOW		CTL_REG(0x0704)
591 #define CR_CAM_ROLL_TB_HIGH		CTL_REG(0x0708)
592 #define CR_CAM_ADDRESS			CTL_REG(0x070C)
593 #define CR_CAM_DATA			CTL_REG(0x0710)
594 
595 #define CR_ROMDIR			CTL_REG(0x0714)
596 
597 #define CR_DECRY_ERR_FLG_LOW		CTL_REG(0x0714)
598 #define CR_DECRY_ERR_FLG_HIGH		CTL_REG(0x0718)
599 
600 #define CR_WEPKEY0			CTL_REG(0x0720)
601 #define CR_WEPKEY1			CTL_REG(0x0724)
602 #define CR_WEPKEY2			CTL_REG(0x0728)
603 #define CR_WEPKEY3			CTL_REG(0x072C)
604 #define CR_WEPKEY4			CTL_REG(0x0730)
605 #define CR_WEPKEY5			CTL_REG(0x0734)
606 #define CR_WEPKEY6			CTL_REG(0x0738)
607 #define CR_WEPKEY7			CTL_REG(0x073C)
608 #define CR_WEPKEY8			CTL_REG(0x0740)
609 #define CR_WEPKEY9			CTL_REG(0x0744)
610 #define CR_WEPKEY10			CTL_REG(0x0748)
611 #define CR_WEPKEY11			CTL_REG(0x074C)
612 #define CR_WEPKEY12			CTL_REG(0x0750)
613 #define CR_WEPKEY13			CTL_REG(0x0754)
614 #define CR_WEPKEY14			CTL_REG(0x0758)
615 #define CR_WEPKEY15			CTL_REG(0x075c)
616 #define CR_TKIP_MODE			CTL_REG(0x0760)
617 
618 #define CR_EEPROM_PROTECT0		CTL_REG(0x0758)
619 #define CR_EEPROM_PROTECT1		CTL_REG(0x075C)
620 
621 #define CR_DBG_FIFO_RD			CTL_REG(0x0800)
622 #define CR_DBG_SELECT			CTL_REG(0x0804)
623 #define CR_FIFO_Length			CTL_REG(0x0808)
624 
625 
626 #define CR_RSSI_MGC			CTL_REG(0x0810)
627 
628 #define CR_PON				CTL_REG(0x0818)
629 #define CR_RX_ON			CTL_REG(0x081C)
630 #define CR_TX_ON			CTL_REG(0x0820)
631 #define CR_CHIP_EN			CTL_REG(0x0824)
632 #define CR_LO_SW			CTL_REG(0x0828)
633 #define CR_TXRX_SW			CTL_REG(0x082C)
634 #define CR_S_MD				CTL_REG(0x0830)
635 
636 #define CR_USB_DEBUG_PORT		CTL_REG(0x0888)
637 #define CR_ZD1211B_CWIN_MAX_MIN_AC0	CTL_REG(0x0b00)
638 #define CR_ZD1211B_CWIN_MAX_MIN_AC1	CTL_REG(0x0b04)
639 #define CR_ZD1211B_CWIN_MAX_MIN_AC2	CTL_REG(0x0b08)
640 #define CR_ZD1211B_CWIN_MAX_MIN_AC3	CTL_REG(0x0b0c)
641 #define CR_ZD1211B_AIFS_CTL1		CTL_REG(0x0b10)
642 #define CR_ZD1211B_AIFS_CTL2		CTL_REG(0x0b14)
643 #define CR_ZD1211B_TXOP			CTL_REG(0x0b20)
644 #define CR_ZD1211B_RETRY_MAX		CTL_REG(0x0b28)
645 
646 /* Value for CR_ZD1211_RETRY_MAX & CR_ZD1211B_RETRY_MAX. Vendor driver uses 2,
647  * we use 0. The first rate is tried (count+2), then all next rates are tried
648  * twice, until 1 Mbits is tried. */
649 #define	ZD1211_RETRY_COUNT		0
650 #define	ZD1211B_RETRY_COUNT	\
651 	(ZD1211_RETRY_COUNT <<  0)|	\
652 	(ZD1211_RETRY_COUNT <<  8)|	\
653 	(ZD1211_RETRY_COUNT << 16)|	\
654 	(ZD1211_RETRY_COUNT << 24)
655 
656 /* Used to detect PLL lock */
657 #define UW2453_INTR_REG			((zd_addr_t)0x85c1)
658 
659 #define CWIN_SIZE			0x007f043f
660 
661 
662 #define HWINT_ENABLED			\
663 	(INT_TX_COMPLETE_EN|		\
664 	 INT_RX_COMPLETE_EN|		\
665 	 INT_RETRY_FAIL_EN|		\
666 	 INT_WAKEUP_EN|			\
667 	 INT_CFG_NEXT_BCN_EN)
668 
669 #define HWINT_DISABLED			0
670 
671 #define E2P_PWR_INT_GUARD		8
672 #define E2P_CHANNEL_COUNT		14
673 
674 /* If you compare this addresses with the ZYDAS orignal driver, please notify
675  * that we use word mapping for the EEPROM.
676  */
677 
678 /*
679  * Upper 16 bit contains the regulatory domain.
680  */
681 #define E2P_SUBID		E2P_DATA(0x00)
682 #define E2P_POD			E2P_DATA(0x02)
683 #define E2P_MAC_ADDR_P1		E2P_DATA(0x04)
684 #define E2P_MAC_ADDR_P2		E2P_DATA(0x06)
685 #define E2P_PWR_CAL_VALUE1	E2P_DATA(0x08)
686 #define E2P_PWR_CAL_VALUE2	E2P_DATA(0x0a)
687 #define E2P_PWR_CAL_VALUE3	E2P_DATA(0x0c)
688 #define E2P_PWR_CAL_VALUE4      E2P_DATA(0x0e)
689 #define E2P_PWR_INT_VALUE1	E2P_DATA(0x10)
690 #define E2P_PWR_INT_VALUE2	E2P_DATA(0x12)
691 #define E2P_PWR_INT_VALUE3	E2P_DATA(0x14)
692 #define E2P_PWR_INT_VALUE4	E2P_DATA(0x16)
693 
694 /* Contains a bit for each allowed channel. It gives for Europe (ETSI 0x30)
695  * also only 11 channels. */
696 #define E2P_ALLOWED_CHANNEL	E2P_DATA(0x18)
697 
698 #define E2P_DEVICE_VER		E2P_DATA(0x20)
699 #define E2P_PHY_REG		E2P_DATA(0x25)
700 #define E2P_36M_CAL_VALUE1	E2P_DATA(0x28)
701 #define E2P_36M_CAL_VALUE2      E2P_DATA(0x2a)
702 #define E2P_36M_CAL_VALUE3      E2P_DATA(0x2c)
703 #define E2P_36M_CAL_VALUE4	E2P_DATA(0x2e)
704 #define E2P_11A_INT_VALUE1	E2P_DATA(0x30)
705 #define E2P_11A_INT_VALUE2	E2P_DATA(0x32)
706 #define E2P_11A_INT_VALUE3	E2P_DATA(0x34)
707 #define E2P_11A_INT_VALUE4	E2P_DATA(0x36)
708 #define E2P_48M_CAL_VALUE1	E2P_DATA(0x38)
709 #define E2P_48M_CAL_VALUE2	E2P_DATA(0x3a)
710 #define E2P_48M_CAL_VALUE3	E2P_DATA(0x3c)
711 #define E2P_48M_CAL_VALUE4	E2P_DATA(0x3e)
712 #define E2P_48M_INT_VALUE1	E2P_DATA(0x40)
713 #define E2P_48M_INT_VALUE2	E2P_DATA(0x42)
714 #define E2P_48M_INT_VALUE3	E2P_DATA(0x44)
715 #define E2P_48M_INT_VALUE4	E2P_DATA(0x46)
716 #define E2P_54M_CAL_VALUE1	E2P_DATA(0x48)	/* ??? */
717 #define E2P_54M_CAL_VALUE2	E2P_DATA(0x4a)
718 #define E2P_54M_CAL_VALUE3	E2P_DATA(0x4c)
719 #define E2P_54M_CAL_VALUE4	E2P_DATA(0x4e)
720 #define E2P_54M_INT_VALUE1	E2P_DATA(0x50)
721 #define E2P_54M_INT_VALUE2	E2P_DATA(0x52)
722 #define E2P_54M_INT_VALUE3	E2P_DATA(0x54)
723 #define E2P_54M_INT_VALUE4	E2P_DATA(0x56)
724 
725 /* This word contains the base address of the FW_REG_ registers below */
726 #define FWRAW_REGS_ADDR		FWRAW_DATA(0x1d)
727 
728 /* All 16 bit values, offset from the address in FWRAW_REGS_ADDR */
729 enum {
730 	FW_REG_FIRMWARE_VER	= 0,
731 	/* non-zero if USB high speed connection */
732 	FW_REG_USB_SPEED	= 1,
733 	FW_REG_FIX_TX_RATE	= 2,
734 	/* Seems to be able to control LEDs over the firmware */
735 	FW_REG_LED_LINK_STATUS	= 3,
736 	FW_REG_SOFT_RESET	= 4,
737 	FW_REG_FLASH_CHK	= 5,
738 };
739 
740 /* Values for FW_LINK_STATUS */
741 #define FW_LINK_OFF		0x0
742 #define FW_LINK_TX		0x1
743 /* 0x2 - link led on? */
744 
745 enum {
746 	/* indices for ofdm_cal_values */
747 	OFDM_36M_INDEX = 0,
748 	OFDM_48M_INDEX = 1,
749 	OFDM_54M_INDEX = 2,
750 };
751 
752 struct zd_chip {
753 	struct zd_usb usb;
754 	struct zd_rf rf;
755 	struct mutex mutex;
756 	/* Base address of FW_REG_ registers */
757 	zd_addr_t fw_regs_base;
758 	/* EepSetPoint in the vendor driver */
759 	u8 pwr_cal_values[E2P_CHANNEL_COUNT];
760 	/* integration values in the vendor driver */
761 	u8 pwr_int_values[E2P_CHANNEL_COUNT];
762 	/* SetPointOFDM in the vendor driver */
763 	u8 ofdm_cal_values[3][E2P_CHANNEL_COUNT];
764 	u16 link_led;
765 	unsigned int pa_type:4,
766 		patch_cck_gain:1, patch_cr157:1, patch_6m_band_edge:1,
767 		new_phy_layout:1, al2230s_bit:1,
768 		supports_tx_led:1;
769 };
770 
zd_usb_to_chip(struct zd_usb * usb)771 static inline struct zd_chip *zd_usb_to_chip(struct zd_usb *usb)
772 {
773 	return container_of(usb, struct zd_chip, usb);
774 }
775 
zd_rf_to_chip(struct zd_rf * rf)776 static inline struct zd_chip *zd_rf_to_chip(struct zd_rf *rf)
777 {
778 	return container_of(rf, struct zd_chip, rf);
779 }
780 
781 #define zd_chip_dev(chip) (&(chip)->usb.intf->dev)
782 
783 void zd_chip_init(struct zd_chip *chip,
784 	         struct ieee80211_hw *hw,
785 	         struct usb_interface *intf);
786 void zd_chip_clear(struct zd_chip *chip);
787 int zd_chip_read_mac_addr_fw(struct zd_chip *chip, u8 *addr);
788 int zd_chip_init_hw(struct zd_chip *chip);
789 int zd_chip_reset(struct zd_chip *chip);
790 
zd_chip_is_zd1211b(struct zd_chip * chip)791 static inline int zd_chip_is_zd1211b(struct zd_chip *chip)
792 {
793 	return chip->usb.is_zd1211b;
794 }
795 
zd_ioread16v_locked(struct zd_chip * chip,u16 * values,const zd_addr_t * addresses,unsigned int count)796 static inline int zd_ioread16v_locked(struct zd_chip *chip, u16 *values,
797 	                              const zd_addr_t *addresses,
798 				      unsigned int count)
799 {
800 	ZD_ASSERT(mutex_is_locked(&chip->mutex));
801 	return zd_usb_ioread16v(&chip->usb, values, addresses, count);
802 }
803 
zd_ioread16_locked(struct zd_chip * chip,u16 * value,const zd_addr_t addr)804 static inline int zd_ioread16_locked(struct zd_chip *chip, u16 *value,
805 	                             const zd_addr_t addr)
806 {
807 	ZD_ASSERT(mutex_is_locked(&chip->mutex));
808 	return zd_usb_ioread16(&chip->usb, value, addr);
809 }
810 
811 int zd_ioread32v_locked(struct zd_chip *chip, u32 *values,
812 	                const zd_addr_t *addresses, unsigned int count);
813 
zd_ioread32_locked(struct zd_chip * chip,u32 * value,const zd_addr_t addr)814 static inline int zd_ioread32_locked(struct zd_chip *chip, u32 *value,
815 	                             const zd_addr_t addr)
816 {
817 	return zd_ioread32v_locked(chip, value, (const zd_addr_t *)&addr, 1);
818 }
819 
zd_iowrite16_locked(struct zd_chip * chip,u16 value,zd_addr_t addr)820 static inline int zd_iowrite16_locked(struct zd_chip *chip, u16 value,
821 	                              zd_addr_t addr)
822 {
823 	struct zd_ioreq16 ioreq;
824 
825 	ZD_ASSERT(mutex_is_locked(&chip->mutex));
826 	ioreq.addr = addr;
827 	ioreq.value = value;
828 
829 	return zd_usb_iowrite16v(&chip->usb, &ioreq, 1);
830 }
831 
832 int zd_iowrite16a_locked(struct zd_chip *chip,
833                          const struct zd_ioreq16 *ioreqs, unsigned int count);
834 
835 int _zd_iowrite32v_locked(struct zd_chip *chip, const struct zd_ioreq32 *ioreqs,
836 			  unsigned int count);
837 
zd_iowrite32_locked(struct zd_chip * chip,u32 value,zd_addr_t addr)838 static inline int zd_iowrite32_locked(struct zd_chip *chip, u32 value,
839 	                              zd_addr_t addr)
840 {
841 	struct zd_ioreq32 ioreq;
842 
843 	ioreq.addr = addr;
844 	ioreq.value = value;
845 
846 	return _zd_iowrite32v_locked(chip, &ioreq, 1);
847 }
848 
849 int zd_iowrite32a_locked(struct zd_chip *chip,
850 	                 const struct zd_ioreq32 *ioreqs, unsigned int count);
851 
zd_rfwrite_locked(struct zd_chip * chip,u32 value,u8 bits)852 static inline int zd_rfwrite_locked(struct zd_chip *chip, u32 value, u8 bits)
853 {
854 	ZD_ASSERT(mutex_is_locked(&chip->mutex));
855 	return zd_usb_rfwrite(&chip->usb, value, bits);
856 }
857 
858 int zd_rfwrite_cr_locked(struct zd_chip *chip, u32 value);
859 
860 int zd_rfwritev_locked(struct zd_chip *chip,
861 	               const u32* values, unsigned int count, u8 bits);
862 int zd_rfwritev_cr_locked(struct zd_chip *chip,
863 	                  const u32* values, unsigned int count);
864 
865 /* Locking functions for reading and writing registers.
866  * The different parameters are intentional.
867  */
868 int zd_ioread16(struct zd_chip *chip, zd_addr_t addr, u16 *value);
869 int zd_iowrite16(struct zd_chip *chip, zd_addr_t addr, u16 value);
870 int zd_ioread32(struct zd_chip *chip, zd_addr_t addr, u32 *value);
871 int zd_iowrite32(struct zd_chip *chip, zd_addr_t addr, u32 value);
872 int zd_ioread32v(struct zd_chip *chip, const zd_addr_t *addresses,
873 	          u32 *values, unsigned int count);
874 int zd_iowrite32a(struct zd_chip *chip, const struct zd_ioreq32 *ioreqs,
875 	           unsigned int count);
876 
877 int zd_chip_set_channel(struct zd_chip *chip, u8 channel);
_zd_chip_get_channel(struct zd_chip * chip)878 static inline u8 _zd_chip_get_channel(struct zd_chip *chip)
879 {
880 	return chip->rf.channel;
881 }
882 u8  zd_chip_get_channel(struct zd_chip *chip);
883 int zd_read_regdomain(struct zd_chip *chip, u8 *regdomain);
884 int zd_write_mac_addr(struct zd_chip *chip, const u8 *mac_addr);
885 int zd_write_bssid(struct zd_chip *chip, const u8 *bssid);
886 int zd_chip_switch_radio_on(struct zd_chip *chip);
887 int zd_chip_switch_radio_off(struct zd_chip *chip);
888 int zd_chip_enable_int(struct zd_chip *chip);
889 void zd_chip_disable_int(struct zd_chip *chip);
890 int zd_chip_enable_rxtx(struct zd_chip *chip);
891 void zd_chip_disable_rxtx(struct zd_chip *chip);
892 int zd_chip_enable_hwint(struct zd_chip *chip);
893 int zd_chip_disable_hwint(struct zd_chip *chip);
894 int zd_chip_generic_patch_6m_band(struct zd_chip *chip, int channel);
895 int zd_chip_set_rts_cts_rate_locked(struct zd_chip *chip, int preamble);
896 
zd_get_encryption_type(struct zd_chip * chip,u32 * type)897 static inline int zd_get_encryption_type(struct zd_chip *chip, u32 *type)
898 {
899 	return zd_ioread32(chip, CR_ENCRYPTION_TYPE, type);
900 }
901 
zd_set_encryption_type(struct zd_chip * chip,u32 type)902 static inline int zd_set_encryption_type(struct zd_chip *chip, u32 type)
903 {
904 	return zd_iowrite32(chip, CR_ENCRYPTION_TYPE, type);
905 }
906 
zd_chip_get_basic_rates(struct zd_chip * chip,u16 * cr_rates)907 static inline int zd_chip_get_basic_rates(struct zd_chip *chip, u16 *cr_rates)
908 {
909 	return zd_ioread16(chip, CR_BASIC_RATE_TBL, cr_rates);
910 }
911 
912 int zd_chip_set_basic_rates(struct zd_chip *chip, u16 cr_rates);
913 
914 int zd_chip_lock_phy_regs(struct zd_chip *chip);
915 int zd_chip_unlock_phy_regs(struct zd_chip *chip);
916 
917 enum led_status {
918 	ZD_LED_OFF = 0,
919 	ZD_LED_SCANNING = 1,
920 	ZD_LED_ASSOCIATED = 2,
921 };
922 
923 int zd_chip_control_leds(struct zd_chip *chip, enum led_status status);
924 
925 int zd_set_beacon_interval(struct zd_chip *chip, u16 interval, u8 dtim_period,
926 			   int type);
927 
zd_get_beacon_interval(struct zd_chip * chip,u32 * interval)928 static inline int zd_get_beacon_interval(struct zd_chip *chip, u32 *interval)
929 {
930 	return zd_ioread32(chip, CR_BCN_INTERVAL, interval);
931 }
932 
933 struct rx_status;
934 
935 u8 zd_rx_rate(const void *rx_frame, const struct rx_status *status);
936 
937 struct zd_mc_hash {
938 	u32 low;
939 	u32 high;
940 };
941 
zd_mc_clear(struct zd_mc_hash * hash)942 static inline void zd_mc_clear(struct zd_mc_hash *hash)
943 {
944 	hash->low = 0;
945 	/* The interfaces must always received broadcasts.
946 	 * The hash of the broadcast address ff:ff:ff:ff:ff:ff is 63.
947 	 */
948 	hash->high = 0x80000000;
949 }
950 
zd_mc_add_all(struct zd_mc_hash * hash)951 static inline void zd_mc_add_all(struct zd_mc_hash *hash)
952 {
953 	hash->low = hash->high = 0xffffffff;
954 }
955 
zd_mc_add_addr(struct zd_mc_hash * hash,u8 * addr)956 static inline void zd_mc_add_addr(struct zd_mc_hash *hash, u8 *addr)
957 {
958 	unsigned int i = addr[5] >> 2;
959 	if (i < 32) {
960 		hash->low |= 1 << i;
961 	} else {
962 		hash->high |= 1 << (i-32);
963 	}
964 }
965 
966 int zd_chip_set_multicast_hash(struct zd_chip *chip,
967 	                       struct zd_mc_hash *hash);
968 
969 u64 zd_chip_get_tsf(struct zd_chip *chip);
970 
971 #endif /* _ZD_CHIP_H */
972