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1 /* SPDX-License-Identifier: GPL-2.0+ */
2 /*
3  * register description for HopeRf rf69 radio module
4  *
5  * Copyright (C) 2016 Wolf-Entwicklungen
6  *	Marcus Wolf <linux@wolf-entwicklungen.de>
7  */
8 
9 /*******************************************/
10 /* RF69 register addresses		   */
11 /*******************************************/
12 #define  REG_FIFO			0x00
13 #define  REG_OPMODE			0x01
14 #define  REG_DATAMODUL			0x02
15 #define  REG_BITRATE_MSB		0x03
16 #define  REG_BITRATE_LSB		0x04
17 #define  REG_FDEV_MSB			0x05
18 #define  REG_FDEV_LSB			0x06
19 #define  REG_FRF_MSB			0x07
20 #define  REG_FRF_MID			0x08
21 #define  REG_FRF_LSB			0x09
22 #define  REG_OSC1			0x0A
23 #define  REG_AFCCTRL			0x0B
24 #define  REG_LOWBAT			0x0C
25 #define  REG_LISTEN1			0x0D
26 #define  REG_LISTEN2			0x0E
27 #define  REG_LISTEN3			0x0F
28 #define  REG_VERSION			0x10
29 #define  REG_PALEVEL			0x11
30 #define  REG_PARAMP			0x12
31 #define  REG_OCP			0x13
32 #define  REG_AGCREF			0x14 /* not available on RF69 */
33 #define  REG_AGCTHRESH1			0x15 /* not available on RF69 */
34 #define  REG_AGCTHRESH2			0x16 /* not available on RF69 */
35 #define  REG_AGCTHRESH3			0x17 /* not available on RF69 */
36 #define  REG_LNA			0x18
37 #define  REG_RXBW			0x19
38 #define  REG_AFCBW			0x1A
39 #define  REG_OOKPEAK			0x1B
40 #define  REG_OOKAVG			0x1C
41 #define  REG_OOKFIX			0x1D
42 #define  REG_AFCFEI			0x1E
43 #define  REG_AFCMSB			0x1F
44 #define  REG_AFCLSB			0x20
45 #define  REG_FEIMSB			0x21
46 #define  REG_FEILSB			0x22
47 #define  REG_RSSICONFIG			0x23
48 #define  REG_RSSIVALUE			0x24
49 #define  REG_DIOMAPPING1		0x25
50 #define  REG_DIOMAPPING2		0x26
51 #define  REG_IRQFLAGS1			0x27
52 #define  REG_IRQFLAGS2			0x28
53 #define  REG_RSSITHRESH			0x29
54 #define  REG_RXTIMEOUT1			0x2A
55 #define  REG_RXTIMEOUT2			0x2B
56 #define  REG_PREAMBLE_MSB		0x2C
57 #define  REG_PREAMBLE_LSB		0x2D
58 #define  REG_SYNC_CONFIG		0x2E
59 #define  REG_SYNCVALUE1			0x2F
60 #define  REG_SYNCVALUE2			0x30
61 #define  REG_SYNCVALUE3			0x31
62 #define  REG_SYNCVALUE4			0x32
63 #define  REG_SYNCVALUE5			0x33
64 #define  REG_SYNCVALUE6			0x34
65 #define  REG_SYNCVALUE7			0x35
66 #define  REG_SYNCVALUE8			0x36
67 #define  REG_PACKETCONFIG1		0x37
68 #define  REG_PAYLOAD_LENGTH		0x38
69 #define  REG_NODEADRS			0x39
70 #define  REG_BROADCASTADRS		0x3A
71 #define  REG_AUTOMODES			0x3B
72 #define  REG_FIFO_THRESH		0x3C
73 #define  REG_PACKETCONFIG2		0x3D
74 #define  REG_AESKEY1			0x3E
75 #define  REG_AESKEY2			0x3F
76 #define  REG_AESKEY3			0x40
77 #define  REG_AESKEY4			0x41
78 #define  REG_AESKEY5			0x42
79 #define  REG_AESKEY6			0x43
80 #define  REG_AESKEY7			0x44
81 #define  REG_AESKEY8			0x45
82 #define  REG_AESKEY9			0x46
83 #define  REG_AESKEY10			0x47
84 #define  REG_AESKEY11			0x48
85 #define  REG_AESKEY12			0x49
86 #define  REG_AESKEY13			0x4A
87 #define  REG_AESKEY14			0x4B
88 #define  REG_AESKEY15			0x4C
89 #define  REG_AESKEY16			0x4D
90 #define  REG_TEMP1			0x4E
91 #define  REG_TEMP2			0x4F
92 #define  REG_TESTPA1			0x5A /* only present on RFM69HW */
93 #define  REG_TESTPA2			0x5C /* only present on RFM69HW */
94 #define  REG_TESTDAGC			0x6F
95 
96 /******************************************************/
97 /* RF69/SX1231 bit definition				*/
98 /******************************************************/
99 /* write bit */
100 #define WRITE_BIT				0x80
101 
102 /* RegOpMode */
103 #define  MASK_OPMODE_SEQUENCER_OFF		0x80
104 #define  MASK_OPMODE_LISTEN_ON			0x40
105 #define  MASK_OPMODE_LISTEN_ABORT		0x20
106 #define  MASK_OPMODE_MODE			0x1C
107 
108 #define  OPMODE_MODE_SLEEP			0x00
109 #define  OPMODE_MODE_STANDBY			0x04 /* default */
110 #define  OPMODE_MODE_SYNTHESIZER		0x08
111 #define  OPMODE_MODE_TRANSMIT			0x0C
112 #define  OPMODE_MODE_RECEIVE			0x10
113 
114 /* RegDataModul */
115 #define  MASK_DATAMODUL_MODE			0x06
116 #define  MASK_DATAMODUL_MODULATION_TYPE		0x18
117 #define  MASK_DATAMODUL_MODULATION_SHAPE	0x03
118 
119 #define  DATAMODUL_MODE_PACKET			0x00 /* default */
120 #define  DATAMODUL_MODE_CONTINUOUS		0x40
121 #define  DATAMODUL_MODE_CONTINUOUS_NOSYNC	0x60
122 
123 #define  DATAMODUL_MODULATION_TYPE_FSK		0x00 /* default */
124 #define  DATAMODUL_MODULATION_TYPE_OOK		0x08
125 
126 #define  DATAMODUL_MODULATION_SHAPE_NONE	0x00 /* default */
127 #define  DATAMODUL_MODULATION_SHAPE_1_0		0x01
128 #define  DATAMODUL_MODULATION_SHAPE_0_5		0x02
129 #define  DATAMODUL_MODULATION_SHAPE_0_3		0x03
130 #define  DATAMODUL_MODULATION_SHAPE_BR		0x01
131 #define  DATAMODUL_MODULATION_SHAPE_2BR		0x02
132 
133 /* RegFDevMsb (0x05)*/
134 #define FDEVMASB_MASK				0x3f
135 
136 /*
137  * // RegOsc1
138  * #define  OSC1_RCCAL_START			0x80
139  * #define  OSC1_RCCAL_DONE			0x40
140  *
141  * // RegLowBat
142  * #define  LOWBAT_MONITOR				0x10
143  * #define  LOWBAT_ON				0x08
144  * #define  LOWBAT_OFF				0x00  // Default
145  *
146  * #define  LOWBAT_TRIM_1695			0x00
147  * #define  LOWBAT_TRIM_1764			0x01
148  * #define  LOWBAT_TRIM_1835			0x02  // Default
149  * #define  LOWBAT_TRIM_1905			0x03
150  * #define  LOWBAT_TRIM_1976			0x04
151  * #define  LOWBAT_TRIM_2045			0x05
152  * #define  LOWBAT_TRIM_2116			0x06
153  * #define  LOWBAT_TRIM_2185			0x07
154  *
155  *
156  * // RegListen1
157  * #define  LISTEN1_RESOL_64			0x50
158  * #define  LISTEN1_RESOL_4100			0xA0  // Default
159  * #define  LISTEN1_RESOL_262000			0xF0
160  *
161  * #define  LISTEN1_CRITERIA_RSSI			0x00  // Default
162  * #define  LISTEN1_CRITERIA_RSSIANDSYNC		0x08
163  *
164  * #define  LISTEN1_END_00				0x00
165  * #define  LISTEN1_END_01				0x02  // Default
166  * #define  LISTEN1_END_10				0x04
167  *
168  *
169  * // RegListen2
170  * #define  LISTEN2_COEFIDLE_VALUE			0xF5 // Default
171  *
172  * // RegListen3
173  * #define  LISTEN3_COEFRX_VALUE			0x20 // Default
174  */
175 
176 // RegPaLevel
177 #define  MASK_PALEVEL_PA0			0x80
178 #define  MASK_PALEVEL_PA1			0x40
179 #define  MASK_PALEVEL_PA2			0x20
180 #define  MASK_PALEVEL_OUTPUT_POWER		0x1F
181 
182 // RegPaRamp
183 #define  PARAMP_3400				0x00
184 #define  PARAMP_2000				0x01
185 #define  PARAMP_1000				0x02
186 #define  PARAMP_500				0x03
187 #define  PARAMP_250				0x04
188 #define  PARAMP_125				0x05
189 #define  PARAMP_100				0x06
190 #define  PARAMP_62				0x07
191 #define  PARAMP_50				0x08
192 #define  PARAMP_40				0x09 /* default */
193 #define  PARAMP_31				0x0A
194 #define  PARAMP_25				0x0B
195 #define  PARAMP_20				0x0C
196 #define  PARAMP_15				0x0D
197 #define  PARAMP_12				0x0E
198 #define  PARAMP_10				0x0F
199 
200 #define  MASK_PARAMP				0x0F
201 
202 /*
203  * // RegOcp
204  * #define  OCP_OFF				0x0F
205  * #define  OCP_ON					0x1A  // Default
206  *
207  * #define  OCP_TRIM_45				0x00
208  * #define  OCP_TRIM_50				0x01
209  * #define  OCP_TRIM_55				0x02
210  * #define  OCP_TRIM_60				0x03
211  * #define  OCP_TRIM_65				0x04
212  * #define  OCP_TRIM_70				0x05
213  * #define  OCP_TRIM_75				0x06
214  * #define  OCP_TRIM_80				0x07
215  * #define  OCP_TRIM_85				0x08
216  * #define  OCP_TRIM_90				0x09
217  * #define  OCP_TRIM_95				0x0A
218  * #define  OCP_TRIM_100				0x0B  // Default
219  * #define  OCP_TRIM_105				0x0C
220  * #define  OCP_TRIM_110				0x0D
221  * #define  OCP_TRIM_115				0x0E
222  * #define  OCP_TRIM_120				0x0F
223  */
224 
225 /* RegLna (0x18) */
226 #define  MASK_LNA_ZIN				0x80
227 #define  MASK_LNA_CURRENT_GAIN			0x38
228 #define  MASK_LNA_GAIN				0x07
229 
230 #define  LNA_GAIN_AUTO				0x00 /* default */
231 #define  LNA_GAIN_MAX				0x01
232 #define  LNA_GAIN_MAX_MINUS_6			0x02
233 #define  LNA_GAIN_MAX_MINUS_12			0x03
234 #define  LNA_GAIN_MAX_MINUS_24			0x04
235 #define  LNA_GAIN_MAX_MINUS_36			0x05
236 #define  LNA_GAIN_MAX_MINUS_48			0x06
237 
238 /* RegRxBw (0x19) and RegAfcBw (0x1A) */
239 #define  MASK_BW_DCC_FREQ			0xE0
240 #define  MASK_BW_MANTISSE			0x18
241 #define  MASK_BW_EXPONENT			0x07
242 
243 #define  BW_DCC_16_PERCENT			0x00
244 #define  BW_DCC_8_PERCENT			0x20
245 #define  BW_DCC_4_PERCENT			0x40 /* default */
246 #define  BW_DCC_2_PERCENT			0x60
247 #define  BW_DCC_1_PERCENT			0x80
248 #define  BW_DCC_0_5_PERCENT			0xA0
249 #define  BW_DCC_0_25_PERCENT			0xC0
250 #define  BW_DCC_0_125_PERCENT			0xE0
251 
252 #define  BW_MANT_16				0x00
253 #define  BW_MANT_20				0x08
254 #define  BW_MANT_24				0x10 /* default */
255 
256 /* RegOokPeak (0x1B) */
257 #define  MASK_OOKPEAK_THRESTYPE			0xc0
258 #define  MASK_OOKPEAK_THRESSTEP			0x38
259 #define  MASK_OOKPEAK_THRESDEC			0x07
260 
261 #define  OOKPEAK_THRESHTYPE_FIXED		0x00
262 #define  OOKPEAK_THRESHTYPE_PEAK		0x40 /* default */
263 #define  OOKPEAK_THRESHTYPE_AVERAGE		0x80
264 
265 #define  OOKPEAK_THRESHSTEP_0_5_DB		0x00 /* default */
266 #define  OOKPEAK_THRESHSTEP_1_0_DB		0x08
267 #define  OOKPEAK_THRESHSTEP_1_5_DB		0x10
268 #define  OOKPEAK_THRESHSTEP_2_0_DB		0x18
269 #define  OOKPEAK_THRESHSTEP_3_0_DB		0x20
270 #define  OOKPEAK_THRESHSTEP_4_0_DB		0x28
271 #define  OOKPEAK_THRESHSTEP_5_0_DB		0x30
272 #define  OOKPEAK_THRESHSTEP_6_0_DB		0x38
273 
274 #define  OOKPEAK_THRESHDEC_ONCE			0x00 /* default */
275 #define  OOKPEAK_THRESHDEC_EVERY_2ND		0x01
276 #define  OOKPEAK_THRESHDEC_EVERY_4TH		0x02
277 #define  OOKPEAK_THRESHDEC_EVERY_8TH		0x03
278 #define  OOKPEAK_THRESHDEC_TWICE		0x04
279 #define  OOKPEAK_THRESHDEC_4_TIMES		0x05
280 #define  OOKPEAK_THRESHDEC_8_TIMES		0x06
281 #define  OOKPEAK_THRESHDEC_16_TIMES		0x07
282 
283 /*
284  * // RegOokAvg
285  * #define  OOKAVG_AVERAGETHRESHFILT_00		0x00
286  * #define  OOKAVG_AVERAGETHRESHFILT_01		0x40
287  * #define  OOKAVG_AVERAGETHRESHFILT_10		0x80  // Default
288  * #define  OOKAVG_AVERAGETHRESHFILT_11		0xC0
289  *
290  *
291  * // RegAfcFei
292  * #define  AFCFEI_FEI_DONE			0x40
293  * #define  AFCFEI_FEI_START			0x20
294  * #define  AFCFEI_AFC_DONE			0x10
295  * #define  AFCFEI_AFCAUTOCLEAR_ON			0x08
296  * #define  AFCFEI_AFCAUTOCLEAR_OFF		0x00  // Default
297  *
298  * #define  AFCFEI_AFCAUTO_ON			0x04
299  * #define  AFCFEI_AFCAUTO_OFF			0x00  // Default
300  *
301  * #define  AFCFEI_AFC_CLEAR			0x02
302  * #define  AFCFEI_AFC_START			0x01
303  *
304  * // RegRssiConfig
305  * #define  RSSI_FASTRX_ON				0x08
306  * #define  RSSI_FASTRX_OFF			0x00  // Default
307  * #define  RSSI_DONE				0x02
308  * #define  RSSI_START				0x01
309  */
310 
311 /* RegDioMapping1 */
312 #define  MASK_DIO0				0xC0
313 #define  MASK_DIO1				0x30
314 #define  MASK_DIO2				0x0C
315 #define  MASK_DIO3				0x03
316 #define  SHIFT_DIO0				6
317 #define  SHIFT_DIO1				4
318 #define  SHIFT_DIO2				2
319 #define  SHIFT_DIO3				0
320 
321 /* RegDioMapping2 */
322 #define  MASK_DIO4				0xC0
323 #define  MASK_DIO5				0x30
324 #define  SHIFT_DIO4				6
325 #define  SHIFT_DIO5				4
326 
327 /* DIO numbers */
328 #define  DIO0					0
329 #define  DIO1					1
330 #define  DIO2					2
331 #define  DIO3					3
332 #define  DIO4					4
333 #define  DIO5					5
334 
335 /* DIO Mapping values (packet mode) */
336 #define  DIO_MODE_READY_DIO4			0x00
337 #define  DIO_MODE_READY_DIO5			0x03
338 #define  DIO_CLK_OUT				0x00
339 #define  DIO_DATA				0x01
340 #define  DIO_TIMEOUT_DIO1			0x03
341 #define  DIO_TIMEOUT_DIO4			0x00
342 #define  DIO_RSSI_DIO0				0x03
343 #define  DIO_RSSI_DIO3_4			0x01
344 #define  DIO_RX_READY				0x02
345 #define  DIO_PLL_LOCK				0x03
346 #define  DIO_TX_READY				0x01
347 #define  DIO_FIFO_FULL_DIO1			0x01
348 #define  DIO_FIFO_FULL_DIO3			0x00
349 #define  DIO_SYNC_ADDRESS			0x02
350 #define  DIO_FIFO_NOT_EMPTY_DIO1		0x02
351 #define  DIO_FIFO_NOT_EMPTY_FIO2		0x00
352 #define  DIO_AUTOMODE				0x04
353 #define  DIO_FIFO_LEVEL				0x00
354 #define  DIO_CRC_OK				0x00
355 #define  DIO_PAYLOAD_READY			0x01
356 #define  DIO_PACKET_SENT			0x00
357 #define  DIO_DCLK				0x00
358 
359 /* RegDioMapping2 CLK_OUT part */
360 #define  MASK_DIOMAPPING2_CLK_OUT		0x07
361 
362 #define  DIOMAPPING2_CLK_OUT_NO_DIV		0x00
363 #define  DIOMAPPING2_CLK_OUT_DIV_2		0x01
364 #define  DIOMAPPING2_CLK_OUT_DIV_4		0x02
365 #define  DIOMAPPING2_CLK_OUT_DIV_8		0x03
366 #define  DIOMAPPING2_CLK_OUT_DIV_16		0x04
367 #define  DIOMAPPING2_CLK_OUT_DIV_32		0x05
368 #define  DIOMAPPING2_CLK_OUT_RC			0x06
369 #define  DIOMAPPING2_CLK_OUT_OFF		0x07 /* default */
370 
371 /* RegIrqFlags1 */
372 #define  MASK_IRQFLAGS1_MODE_READY		0x80
373 #define  MASK_IRQFLAGS1_RX_READY		0x40
374 #define  MASK_IRQFLAGS1_TX_READY		0x20
375 #define  MASK_IRQFLAGS1_PLL_LOCK		0x10
376 #define  MASK_IRQFLAGS1_RSSI			0x08
377 #define  MASK_IRQFLAGS1_TIMEOUT			0x04
378 #define  MASK_IRQFLAGS1_AUTOMODE		0x02
379 #define  MASK_IRQFLAGS1_SYNC_ADDRESS_MATCH	0x01
380 
381 /* RegIrqFlags2 */
382 #define  MASK_IRQFLAGS2_FIFO_FULL		0x80
383 #define  MASK_IRQFLAGS2_FIFO_NOT_EMPTY		0x40
384 #define  MASK_IRQFLAGS2_FIFO_LEVEL		0x20
385 #define  MASK_IRQFLAGS2_FIFO_OVERRUN		0x10
386 #define  MASK_IRQFLAGS2_PACKET_SENT		0x08
387 #define  MASK_IRQFLAGS2_PAYLOAD_READY		0x04
388 #define  MASK_IRQFLAGS2_CRC_OK			0x02
389 #define  MASK_IRQFLAGS2_LOW_BAT			0x01
390 
391 /* RegSyncConfig */
392 #define  MASK_SYNC_CONFIG_SYNC_ON		0x80 /* default */
393 #define  MASK_SYNC_CONFIG_FIFO_FILL_CONDITION	0x40
394 #define  MASK_SYNC_CONFIG_SYNC_SIZE		0x38
395 #define  MASK_SYNC_CONFIG_SYNC_TOLERANCE	0x07
396 
397 /* RegPacketConfig1 */
398 #define  MASK_PACKETCONFIG1_PACKET_FORMAT_VARIABLE	0x80
399 #define  MASK_PACKETCONFIG1_DCFREE			0x60
400 #define  MASK_PACKETCONFIG1_CRC_ON			0x10 /* default */
401 #define  MASK_PACKETCONFIG1_CRCAUTOCLEAR_OFF		0x08
402 #define  MASK_PACKETCONFIG1_ADDRESSFILTERING		0x06
403 
404 #define  PACKETCONFIG1_DCFREE_OFF			0x00 /* default */
405 #define  PACKETCONFIG1_DCFREE_MANCHESTER		0x20
406 #define  PACKETCONFIG1_DCFREE_WHITENING			0x40
407 #define  PACKETCONFIG1_ADDRESSFILTERING_OFF		0x00 /* default */
408 #define  PACKETCONFIG1_ADDRESSFILTERING_NODE		0x02
409 #define  PACKETCONFIG1_ADDRESSFILTERING_NODEBROADCAST	0x04
410 
411 /*
412  * // RegAutoModes
413  * #define  AUTOMODES_ENTER_OFF			0x00  // Default
414  * #define  AUTOMODES_ENTER_FIFONOTEMPTY		0x20
415  * #define  AUTOMODES_ENTER_FIFOLEVEL		0x40
416  * #define  AUTOMODES_ENTER_CRCOK			0x60
417  * #define  AUTOMODES_ENTER_PAYLOADREADY		0x80
418  * #define  AUTOMODES_ENTER_SYNCADRSMATCH		0xA0
419  * #define  AUTOMODES_ENTER_PACKETSENT		0xC0
420  * #define  AUTOMODES_ENTER_FIFOEMPTY		0xE0
421  *
422  * #define  AUTOMODES_EXIT_OFF			0x00  // Default
423  * #define  AUTOMODES_EXIT_FIFOEMPTY		0x04
424  * #define  AUTOMODES_EXIT_FIFOLEVEL		0x08
425  * #define  AUTOMODES_EXIT_CRCOK			0x0C
426  * #define  AUTOMODES_EXIT_PAYLOADREADY		0x10
427  * #define  AUTOMODES_EXIT_SYNCADRSMATCH		0x14
428  * #define  AUTOMODES_EXIT_PACKETSENT		0x18
429  * #define  AUTOMODES_EXIT_RXTIMEOUT		0x1C
430  *
431  * #define  AUTOMODES_INTERMEDIATE_SLEEP		0x00  // Default
432  * #define  AUTOMODES_INTERMEDIATE_STANDBY		0x01
433  * #define  AUTOMODES_INTERMEDIATE_RECEIVER	0x02
434  * #define  AUTOMODES_INTERMEDIATE_TRANSMITTER	0x03
435  *
436  */
437 /* RegFifoThresh (0x3c) */
438 #define  MASK_FIFO_THRESH_TXSTART		0x80
439 #define  MASK_FIFO_THRESH_VALUE			0x7F
440 
441 /*
442  *
443  * // RegPacketConfig2
444  * #define  PACKET2_RXRESTARTDELAY_1BIT		0x00  // Default
445  * #define  PACKET2_RXRESTARTDELAY_2BITS		0x10
446  * #define  PACKET2_RXRESTARTDELAY_4BITS		0x20
447  * #define  PACKET2_RXRESTARTDELAY_8BITS		0x30
448  * #define  PACKET2_RXRESTARTDELAY_16BITS		0x40
449  * #define  PACKET2_RXRESTARTDELAY_32BITS		0x50
450  * #define  PACKET2_RXRESTARTDELAY_64BITS		0x60
451  * #define  PACKET2_RXRESTARTDELAY_128BITS		0x70
452  * #define  PACKET2_RXRESTARTDELAY_256BITS		0x80
453  * #define  PACKET2_RXRESTARTDELAY_512BITS		0x90
454  * #define  PACKET2_RXRESTARTDELAY_1024BITS	0xA0
455  * #define  PACKET2_RXRESTARTDELAY_2048BITS	0xB0
456  * #define  PACKET2_RXRESTARTDELAY_NONE		0xC0
457  * #define  PACKET2_RXRESTART			0x04
458  *
459  * #define  PACKET2_AUTORXRESTART_ON		0x02  // Default
460  * #define  PACKET2_AUTORXRESTART_OFF		0x00
461  *
462  * #define  PACKET2_AES_ON				0x01
463  * #define  PACKET2_AES_OFF			0x00  // Default
464  *
465  *
466  * // RegTemp1
467  * #define  TEMP1_MEAS_START			0x08
468  * #define  TEMP1_MEAS_RUNNING			0x04
469  * #define  TEMP1_ADCLOWPOWER_ON			0x01  // Default
470  * #define  TEMP1_ADCLOWPOWER_OFF			0x00
471  */
472 
473 // RegTestDagc (0x6F)
474 #define  DAGC_NORMAL				0x00 /* Reset value */
475 #define  DAGC_IMPROVED_LOWBETA1			0x20
476 #define  DAGC_IMPROVED_LOWBETA0			0x30 /* Recommended val */
477