1 /*
2  * This file is part of wl12xx
3  *
4  * Copyright (C) 1998-2009 Texas Instruments. All rights reserved.
5  * Copyright (C) 2009 Nokia Corporation
6  *
7  * Contact: Luciano Coelho <luciano.coelho@nokia.com>
8  *
9  * This program is free software; you can redistribute it and/or
10  * modify it under the terms of the GNU General Public License
11  * version 2 as published by the Free Software Foundation.
12  *
13  * This program is distributed in the hope that it will be useful, but
14  * WITHOUT ANY WARRANTY; without even the implied warranty of
15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
16  * General Public License for more details.
17  *
18  * You should have received a copy of the GNU General Public License
19  * along with this program; if not, write to the Free Software
20  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
21  * 02110-1301 USA
22  *
23  */
24 
25 #ifndef __REG_H__
26 #define __REG_H__
27 
28 #include <linux/bitops.h>
29 
30 #define REGISTERS_BASE 0x00300000
31 #define DRPW_BASE      0x00310000
32 
33 #define REGISTERS_DOWN_SIZE 0x00008800
34 #define REGISTERS_WORK_SIZE 0x0000b000
35 
36 #define HW_ACCESS_ELP_CTRL_REG_ADDR         0x1FFFC
37 #define FW_STATUS_ADDR                      (0x14FC0 + 0xA000)
38 
39 /* ELP register commands */
40 #define ELPCTRL_WAKE_UP             0x1
41 #define ELPCTRL_WAKE_UP_WLAN_READY  0x5
42 #define ELPCTRL_SLEEP               0x0
43 /* ELP WLAN_READY bit */
44 #define ELPCTRL_WLAN_READY          0x2
45 
46 /*===============================================
47    Host Software Reset - 32bit RW
48  ------------------------------------------
49     [31:1] Reserved
50     0  SOFT_RESET Soft Reset  - When this bit is set,
51     it holds the Wlan hardware in a soft reset state.
52     This reset disables all MAC and baseband processor
53     clocks except the CardBus/PCI interface clock.
54     It also initializes all MAC state machines except
55     the host interface. It does not reload the
56     contents of the EEPROM. When this bit is cleared
57     (not self-clearing), the Wlan hardware
58     exits the software reset state.
59 ===============================================*/
60 #define ACX_REG_SLV_SOFT_RESET         (REGISTERS_BASE + 0x0000)
61 
62 #define WL1271_SLV_REG_DATA            (REGISTERS_BASE + 0x0008)
63 #define WL1271_SLV_REG_ADATA           (REGISTERS_BASE + 0x000c)
64 #define WL1271_SLV_MEM_DATA            (REGISTERS_BASE + 0x0018)
65 
66 #define ACX_REG_INTERRUPT_TRIG         (REGISTERS_BASE + 0x0474)
67 #define ACX_REG_INTERRUPT_TRIG_H       (REGISTERS_BASE + 0x0478)
68 
69 /*=============================================
70   Host Interrupt Mask Register - 32bit (RW)
71   ------------------------------------------
72   Setting a bit in this register masks the
73   corresponding interrupt to the host.
74   0 - RX0		- Rx first dubble buffer Data Interrupt
75   1 - TXD		- Tx Data Interrupt
76   2 - TXXFR		- Tx Transfer Interrupt
77   3 - RX1		- Rx second dubble buffer Data Interrupt
78   4 - RXXFR		- Rx Transfer Interrupt
79   5 - EVENT_A	- Event Mailbox interrupt
80   6 - EVENT_B	- Event Mailbox interrupt
81   7 - WNONHST	- Wake On Host Interrupt
82   8 - TRACE_A	- Debug Trace interrupt
83   9 - TRACE_B	- Debug Trace interrupt
84  10 - CDCMP		- Command Complete Interrupt
85  11 -
86  12 -
87  13 -
88  14 - ICOMP		- Initialization Complete Interrupt
89  16 - SG SE		- Soft Gemini - Sense enable interrupt
90  17 - SG SD		- Soft Gemini - Sense disable interrupt
91  18 -			-
92  19 -			-
93  20 -			-
94  21-			-
95  Default: 0x0001
96 *==============================================*/
97 #define ACX_REG_INTERRUPT_MASK         (REGISTERS_BASE + 0x04DC)
98 
99 /*=============================================
100   Host Interrupt Mask Set 16bit, (Write only)
101   ------------------------------------------
102  Setting a bit in this register sets
103  the corresponding bin in ACX_HINT_MASK register
104  without effecting the mask
105  state of other bits (0 = no effect).
106 ==============================================*/
107 #define ACX_REG_HINT_MASK_SET          (REGISTERS_BASE + 0x04E0)
108 
109 /*=============================================
110   Host Interrupt Mask Clear 16bit,(Write only)
111   ------------------------------------------
112  Setting a bit in this register clears
113  the corresponding bin in ACX_HINT_MASK register
114  without effecting the mask
115  state of other bits (0 = no effect).
116 =============================================*/
117 #define ACX_REG_HINT_MASK_CLR          (REGISTERS_BASE + 0x04E4)
118 
119 /*=============================================
120   Host Interrupt Status Nondestructive Read
121   16bit,(Read only)
122   ------------------------------------------
123  The host can read this register to determine
124  which interrupts are active.
125  Reading this register doesn't
126  effect its content.
127 =============================================*/
128 #define ACX_REG_INTERRUPT_NO_CLEAR     (REGISTERS_BASE + 0x04E8)
129 
130 /*=============================================
131   Host Interrupt Status Clear on Read  Register
132   16bit,(Read only)
133   ------------------------------------------
134  The host can read this register to determine
135  which interrupts are active.
136  Reading this register clears it,
137  thus making all interrupts inactive.
138 ==============================================*/
139 #define ACX_REG_INTERRUPT_CLEAR        (REGISTERS_BASE + 0x04F8)
140 
141 /*=============================================
142   Host Interrupt Acknowledge Register
143   16bit,(Write only)
144   ------------------------------------------
145  The host can set individual bits in this
146  register to clear (acknowledge) the corresp.
147  interrupt status bits in the HINT_STS_CLR and
148  HINT_STS_ND registers, thus making the
149  assotiated interrupt inactive. (0-no effect)
150 ==============================================*/
151 #define ACX_REG_INTERRUPT_ACK          (REGISTERS_BASE + 0x04F0)
152 
153 #define RX_DRIVER_COUNTER_ADDRESS      (REGISTERS_BASE + 0x0538)
154 
155 /* Device Configuration registers*/
156 #define SOR_CFG                        (REGISTERS_BASE + 0x0800)
157 
158 /* Embedded ARM CPU Control */
159 
160 /*===============================================
161  Halt eCPU   - 32bit RW
162  ------------------------------------------
163  0 HALT_ECPU Halt Embedded CPU - This bit is the
164  compliment of bit 1 (MDATA2) in the SOR_CFG register.
165  During a hardware reset, this bit holds
166  the inverse of MDATA2.
167  When downloading firmware from the host,
168  set this bit (pull down MDATA2).
169  The host clears this bit after downloading the firmware into
170  zero-wait-state SSRAM.
171  When loading firmware from Flash, clear this bit (pull up MDATA2)
172  so that the eCPU can run the bootloader code in Flash
173  HALT_ECPU eCPU State
174  --------------------
175  1 halt eCPU
176  0 enable eCPU
177  ===============================================*/
178 #define ACX_REG_ECPU_CONTROL           (REGISTERS_BASE + 0x0804)
179 
180 #define HI_CFG                         (REGISTERS_BASE + 0x0808)
181 
182 /*===============================================
183  EEPROM Burst Read Start  - 32bit RW
184  ------------------------------------------
185  [31:1] Reserved
186  0  ACX_EE_START -  EEPROM Burst Read Start 0
187  Setting this bit starts a burst read from
188  the external EEPROM.
189  If this bit is set (after reset) before an EEPROM read/write,
190  the burst read starts at EEPROM address 0.
191  Otherwise, it starts at the address
192  following the address of the previous access.
193  TheWlan hardware hardware clears this bit automatically.
194 
195  Default: 0x00000000
196 *================================================*/
197 #define ACX_REG_EE_START               (REGISTERS_BASE + 0x080C)
198 
199 #define OCP_POR_CTR                    (REGISTERS_BASE + 0x09B4)
200 #define OCP_DATA_WRITE                 (REGISTERS_BASE + 0x09B8)
201 #define OCP_DATA_READ                  (REGISTERS_BASE + 0x09BC)
202 #define OCP_CMD                        (REGISTERS_BASE + 0x09C0)
203 
204 #define WL1271_HOST_WR_ACCESS          (REGISTERS_BASE + 0x09F8)
205 
206 #define CHIP_ID_B                      (REGISTERS_BASE + 0x5674)
207 
208 #define CHIP_ID_1271_PG10              (0x4030101)
209 #define CHIP_ID_1271_PG20              (0x4030111)
210 #define CHIP_ID_1283_PG10              (0x05030101)
211 #define CHIP_ID_1283_PG20              (0x05030111)
212 
213 #define ENABLE                         (REGISTERS_BASE + 0x5450)
214 
215 /* Power Management registers */
216 #define ELP_CFG_MODE                   (REGISTERS_BASE + 0x5804)
217 #define ELP_CMD                        (REGISTERS_BASE + 0x5808)
218 #define PLL_CAL_TIME                   (REGISTERS_BASE + 0x5810)
219 #define CLK_REQ_TIME                   (REGISTERS_BASE + 0x5814)
220 #define CLK_BUF_TIME                   (REGISTERS_BASE + 0x5818)
221 
222 #define CFG_PLL_SYNC_CNT               (REGISTERS_BASE + 0x5820)
223 
224 /* Scratch Pad registers*/
225 #define SCR_PAD0                       (REGISTERS_BASE + 0x5608)
226 #define SCR_PAD1                       (REGISTERS_BASE + 0x560C)
227 #define SCR_PAD2                       (REGISTERS_BASE + 0x5610)
228 #define SCR_PAD3                       (REGISTERS_BASE + 0x5614)
229 #define SCR_PAD4                       (REGISTERS_BASE + 0x5618)
230 #define SCR_PAD4_SET                   (REGISTERS_BASE + 0x561C)
231 #define SCR_PAD4_CLR                   (REGISTERS_BASE + 0x5620)
232 #define SCR_PAD5                       (REGISTERS_BASE + 0x5624)
233 #define SCR_PAD5_SET                   (REGISTERS_BASE + 0x5628)
234 #define SCR_PAD5_CLR                   (REGISTERS_BASE + 0x562C)
235 #define SCR_PAD6                       (REGISTERS_BASE + 0x5630)
236 #define SCR_PAD7                       (REGISTERS_BASE + 0x5634)
237 #define SCR_PAD8                       (REGISTERS_BASE + 0x5638)
238 #define SCR_PAD9                       (REGISTERS_BASE + 0x563C)
239 
240 /* Spare registers*/
241 #define SPARE_A1                       (REGISTERS_BASE + 0x0994)
242 #define SPARE_A2                       (REGISTERS_BASE + 0x0998)
243 #define SPARE_A3                       (REGISTERS_BASE + 0x099C)
244 #define SPARE_A4                       (REGISTERS_BASE + 0x09A0)
245 #define SPARE_A5                       (REGISTERS_BASE + 0x09A4)
246 #define SPARE_A6                       (REGISTERS_BASE + 0x09A8)
247 #define SPARE_A7                       (REGISTERS_BASE + 0x09AC)
248 #define SPARE_A8                       (REGISTERS_BASE + 0x09B0)
249 #define SPARE_B1                       (REGISTERS_BASE + 0x5420)
250 #define SPARE_B2                       (REGISTERS_BASE + 0x5424)
251 #define SPARE_B3                       (REGISTERS_BASE + 0x5428)
252 #define SPARE_B4                       (REGISTERS_BASE + 0x542C)
253 #define SPARE_B5                       (REGISTERS_BASE + 0x5430)
254 #define SPARE_B6                       (REGISTERS_BASE + 0x5434)
255 #define SPARE_B7                       (REGISTERS_BASE + 0x5438)
256 #define SPARE_B8                       (REGISTERS_BASE + 0x543C)
257 
258 #define PLL_PARAMETERS                 (REGISTERS_BASE + 0x6040)
259 #define WU_COUNTER_PAUSE               (REGISTERS_BASE + 0x6008)
260 #define WELP_ARM_COMMAND               (REGISTERS_BASE + 0x6100)
261 #define DRPW_SCRATCH_START             (DRPW_BASE + 0x002C)
262 
263 
264 #define ACX_SLV_SOFT_RESET_BIT   BIT(1)
265 #define ACX_REG_EEPROM_START_BIT BIT(1)
266 
267 /* Command/Information Mailbox Pointers */
268 
269 /*===============================================
270   Command Mailbox Pointer - 32bit RW
271  ------------------------------------------
272  This register holds the start address of
273  the command mailbox located in the Wlan hardware memory.
274  The host must read this pointer after a reset to
275  find the location of the command mailbox.
276  The Wlan hardware initializes the command mailbox
277  pointer with the default address of the command mailbox.
278  The command mailbox pointer is not valid until after
279  the host receives the Init Complete interrupt from
280  the Wlan hardware.
281  ===============================================*/
282 #define REG_COMMAND_MAILBOX_PTR				(SCR_PAD0)
283 
284 /*===============================================
285   Information Mailbox Pointer - 32bit RW
286  ------------------------------------------
287  This register holds the start address of
288  the information mailbox located in the Wlan hardware memory.
289  The host must read this pointer after a reset to find
290  the location of the information mailbox.
291  The Wlan hardware initializes the information mailbox pointer
292  with the default address of the information mailbox.
293  The information mailbox pointer is not valid
294  until after the host receives the Init Complete interrupt from
295  the Wlan hardware.
296  ===============================================*/
297 #define REG_EVENT_MAILBOX_PTR				(SCR_PAD1)
298 
299 /*===============================================
300  EEPROM Read/Write Request 32bit RW
301  ------------------------------------------
302  1 EE_READ - EEPROM Read Request 1 - Setting this bit
303  loads a single byte of data into the EE_DATA
304  register from the EEPROM location specified in
305  the EE_ADDR register.
306  The Wlan hardware hardware clears this bit automatically.
307  EE_DATA is valid when this bit is cleared.
308 
309  0 EE_WRITE  - EEPROM Write Request  - Setting this bit
310  writes a single byte of data from the EE_DATA register into the
311  EEPROM location specified in the EE_ADDR register.
312  The Wlan hardware hardware clears this bit automatically.
313 *===============================================*/
314 #define ACX_EE_CTL_REG                      EE_CTL
315 #define EE_WRITE                            0x00000001ul
316 #define EE_READ                             0x00000002ul
317 
318 /*===============================================
319   EEPROM Address  - 32bit RW
320   ------------------------------------------
321   This register specifies the address
322   within the EEPROM from/to which to read/write data.
323   ===============================================*/
324 #define ACX_EE_ADDR_REG                     EE_ADDR
325 
326 /*===============================================
327   EEPROM Data  - 32bit RW
328   ------------------------------------------
329   This register either holds the read 8 bits of
330   data from the EEPROM or the write data
331   to be written to the EEPROM.
332   ===============================================*/
333 #define ACX_EE_DATA_REG                     EE_DATA
334 
335 /*===============================================
336   EEPROM Base Address  - 32bit RW
337   ------------------------------------------
338   This register holds the upper nine bits
339   [23:15] of the 24-bit Wlan hardware memory
340   address for burst reads from EEPROM accesses.
341   The EEPROM provides the lower 15 bits of this address.
342   The MSB of the address from the EEPROM is ignored.
343   ===============================================*/
344 #define ACX_EE_CFG                          EE_CFG
345 
346 /*===============================================
347   GPIO Output Values  -32bit, RW
348   ------------------------------------------
349   [31:16]  Reserved
350   [15: 0]  Specify the output values (at the output driver inputs) for
351   GPIO[15:0], respectively.
352   ===============================================*/
353 #define ACX_GPIO_OUT_REG            GPIO_OUT
354 #define ACX_MAX_GPIO_LINES          15
355 
356 /*===============================================
357   Contention window  -32bit, RW
358   ------------------------------------------
359   [31:26]  Reserved
360   [25:16]  Max (0x3ff)
361   [15:07]  Reserved
362   [06:00]  Current contention window value - default is 0x1F
363   ===============================================*/
364 #define ACX_CONT_WIND_CFG_REG    CONT_WIND_CFG
365 #define ACX_CONT_WIND_MIN_MASK   0x0000007f
366 #define ACX_CONT_WIND_MAX        0x03ff0000
367 
368 /*===============================================
369   HI_CFG Interface Configuration Register Values
370   ------------------------------------------
371   ===============================================*/
372 #define HI_CFG_UART_ENABLE          0x00000004
373 #define HI_CFG_RST232_ENABLE        0x00000008
374 #define HI_CFG_CLOCK_REQ_SELECT     0x00000010
375 #define HI_CFG_HOST_INT_ENABLE      0x00000020
376 #define HI_CFG_VLYNQ_OUTPUT_ENABLE  0x00000040
377 #define HI_CFG_HOST_INT_ACTIVE_LOW  0x00000080
378 #define HI_CFG_UART_TX_OUT_GPIO_15  0x00000100
379 #define HI_CFG_UART_TX_OUT_GPIO_14  0x00000200
380 #define HI_CFG_UART_TX_OUT_GPIO_7   0x00000400
381 
382 #define HI_CFG_DEF_VAL              \
383 	(HI_CFG_UART_ENABLE |        \
384 	HI_CFG_RST232_ENABLE |      \
385 	HI_CFG_CLOCK_REQ_SELECT |   \
386 	HI_CFG_HOST_INT_ENABLE)
387 
388 #define REF_FREQ_19_2                       0
389 #define REF_FREQ_26_0                       1
390 #define REF_FREQ_38_4                       2
391 #define REF_FREQ_40_0                       3
392 #define REF_FREQ_33_6                       4
393 #define REF_FREQ_NUM                        5
394 
395 #define LUT_PARAM_INTEGER_DIVIDER           0
396 #define LUT_PARAM_FRACTIONAL_DIVIDER        1
397 #define LUT_PARAM_ATTN_BB                   2
398 #define LUT_PARAM_ALPHA_BB                  3
399 #define LUT_PARAM_STOP_TIME_BB              4
400 #define LUT_PARAM_BB_PLL_LOOP_FILTER        5
401 #define LUT_PARAM_NUM                       6
402 
403 #define ACX_EEPROMLESS_IND_REG              (SCR_PAD4)
404 #define USE_EEPROM                          0
405 #define SOFT_RESET_MAX_TIME                 1000000
406 #define SOFT_RESET_STALL_TIME               1000
407 #define NVS_DATA_BUNDARY_ALIGNMENT          4
408 
409 
410 /* Firmware image load chunk size */
411 #define CHUNK_SIZE	16384
412 
413 /* Firmware image header size */
414 #define FW_HDR_SIZE 8
415 
416 #define ECPU_CONTROL_HALT					0x00000101
417 
418 
419 /******************************************************************************
420 
421     CHANNELS, BAND & REG DOMAINS definitions
422 
423 ******************************************************************************/
424 
425 
426 enum {
427 	RADIO_BAND_2_4GHZ = 0,  /* 2.4 Ghz band */
428 	RADIO_BAND_5GHZ = 1,    /* 5 Ghz band */
429 	RADIO_BAND_JAPAN_4_9_GHZ = 2,
430 	DEFAULT_BAND = RADIO_BAND_2_4GHZ,
431 	INVALID_BAND = 0xFE,
432 	MAX_RADIO_BANDS = 0xFF
433 };
434 
435 #define SHORT_PREAMBLE_BIT   BIT(0) /* CCK or Barker depending on the rate */
436 #define OFDM_RATE_BIT        BIT(6)
437 #define PBCC_RATE_BIT        BIT(7)
438 
439 enum {
440 	CCK_LONG = 0,
441 	CCK_SHORT = SHORT_PREAMBLE_BIT,
442 	PBCC_LONG = PBCC_RATE_BIT,
443 	PBCC_SHORT = PBCC_RATE_BIT | SHORT_PREAMBLE_BIT,
444 	OFDM = OFDM_RATE_BIT
445 };
446 
447 /******************************************************************************
448 
449 Transmit-Descriptor RATE-SET field definitions...
450 
451 Define a new "Rate-Set" for TX path that incorporates the
452 Rate & Modulation info into a single 16-bit field.
453 
454 TxdRateSet_t:
455 b15   - Indicates Preamble type (1=SHORT, 0=LONG).
456 	Notes:
457 	Must be LONG (0) for 1Mbps rate.
458 	Does not apply (set to 0) for RevG-OFDM rates.
459 b14   - Indicates PBCC encoding (1=PBCC, 0=not).
460 	Notes:
461 	Does not apply (set to 0) for rates 1 and 2 Mbps.
462 	Does not apply (set to 0) for RevG-OFDM rates.
463 b13    - Unused (set to 0).
464 b12-b0 - Supported Rate indicator bits as defined below.
465 
466 ******************************************************************************/
467 
468 
469 /*************************************************************************
470 
471     Interrupt Trigger Register (Host -> WiLink)
472 
473 **************************************************************************/
474 
475 /* Hardware to Embedded CPU Interrupts - first 32-bit register set */
476 
477 /*
478  * Host Command Interrupt. Setting this bit masks
479  * the interrupt that the host issues to inform
480  * the FW that it has sent a command
481  * to the Wlan hardware Command Mailbox.
482  */
483 #define INTR_TRIG_CMD       BIT(0)
484 
485 /*
486  * Host Event Acknowlegde Interrupt. The host
487  * sets this bit to acknowledge that it received
488  * the unsolicited information from the event
489  * mailbox.
490  */
491 #define INTR_TRIG_EVENT_ACK BIT(1)
492 
493 /*
494  * The host sets this bit to inform the Wlan
495  * FW that a TX packet is in the XFER
496  * Buffer #0.
497  */
498 #define INTR_TRIG_TX_PROC0 BIT(2)
499 
500 /*
501  * The host sets this bit to inform the FW
502  * that it read a packet from RX XFER
503  * Buffer #0.
504  */
505 #define INTR_TRIG_RX_PROC0 BIT(3)
506 
507 #define INTR_TRIG_DEBUG_ACK BIT(4)
508 
509 #define INTR_TRIG_STATE_CHANGED BIT(5)
510 
511 
512 /* Hardware to Embedded CPU Interrupts - second 32-bit register set */
513 
514 /*
515  * The host sets this bit to inform the FW
516  * that it read a packet from RX XFER
517  * Buffer #1.
518  */
519 #define INTR_TRIG_RX_PROC1 BIT(17)
520 
521 /*
522  * The host sets this bit to inform the Wlan
523  * hardware that a TX packet is in the XFER
524  * Buffer #1.
525  */
526 #define INTR_TRIG_TX_PROC1 BIT(18)
527 
528 #define WL127X_REG_FUSE_DATA_2_1	0x050a
529 #define WL128X_REG_FUSE_DATA_2_1	0x2152
530 #define PG_VER_MASK			0x3c
531 #define PG_VER_OFFSET			2
532 
533 #define WL127X_PG_MAJOR_VER_MASK	0x3
534 #define WL127X_PG_MAJOR_VER_OFFSET	0x0
535 #define WL127X_PG_MINOR_VER_MASK	0xc
536 #define WL127X_PG_MINOR_VER_OFFSET	0x2
537 
538 #define WL128X_PG_MAJOR_VER_MASK	0xc
539 #define WL128X_PG_MAJOR_VER_OFFSET	0x2
540 #define WL128X_PG_MINOR_VER_MASK	0x3
541 #define WL128X_PG_MINOR_VER_OFFSET	0x0
542 
543 #define WL127X_PG_GET_MAJOR(pg_ver) ((pg_ver & WL127X_PG_MAJOR_VER_MASK) >> \
544 				     WL127X_PG_MAJOR_VER_OFFSET)
545 #define WL127X_PG_GET_MINOR(pg_ver) ((pg_ver & WL127X_PG_MINOR_VER_MASK) >> \
546 				     WL127X_PG_MINOR_VER_OFFSET)
547 #define WL128X_PG_GET_MAJOR(pg_ver) ((pg_ver & WL128X_PG_MAJOR_VER_MASK) >> \
548 				     WL128X_PG_MAJOR_VER_OFFSET)
549 #define WL128X_PG_GET_MINOR(pg_ver) ((pg_ver & WL128X_PG_MINOR_VER_MASK) >> \
550 				     WL128X_PG_MINOR_VER_OFFSET)
551 
552 #define WL12XX_REG_FUSE_BD_ADDR_1	0x00310eb4
553 #define WL12XX_REG_FUSE_BD_ADDR_2	0x00310eb8
554 
555 #endif
556