1 /******************************************************************************
3 * This file is provided under a dual BSD/GPLv2 license. When using or
4 * redistributing this file, you may do so under either license.
8 * Copyright(c) 2008 - 2009 Intel Corporation. All rights reserved.
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of version 2 of the GNU General Public License as
12 * published by the Free Software Foundation.
14 * This program is distributed in the hope that it will be useful, but
15 * WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
17 * General Public License for more details.
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110,
24 * The full GNU General Public License is included in this distribution
25 * in the file called LICENSE.GPL.
27 * Contact Information:
28 * Intel Linux Wireless <ilw@linux.intel.com>
29 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
33 * Copyright(c) 2005 - 2009 Intel Corporation. All rights reserved.
34 * All rights reserved.
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37 * modification, are permitted provided that the following conditions
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60 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
61 *****************************************************************************/
63 #ifndef __iwl_eeprom_h__
64 #define __iwl_eeprom_h__
69 * EEPROM access time values:
71 * Driver initiates EEPROM read by writing byte address << 1 to CSR_EEPROM_REG.
72 * Driver then polls CSR_EEPROM_REG for CSR_EEPROM_REG_READ_VALID_MSK (0x1).
73 * When polling, wait 10 uSec between polling loops, up to a maximum 5000 uSec.
74 * Driver reads 16-bit value from bits 31-16 of CSR_EEPROM_REG.
76 #define IWL_EEPROM_ACCESS_TIMEOUT 5000 /* uSec */
78 #define IWL_EEPROM_SEM_TIMEOUT 10 /* microseconds */
79 #define IWL_EEPROM_SEM_RETRY_LIMIT 1000 /* number of attempts (not time) */
83 * Regulatory channel usage flags in EEPROM struct iwl4965_eeprom_channel.flags.
85 * IBSS and/or AP operation is allowed *only* on those channels with
86 * (VALID && IBSS && ACTIVE && !RADAR). This restriction is in place because
87 * RADAR detection is not supported by the 4965 driver, but is a
88 * requirement for establishing a new network for legal operation on channels
89 * requiring RADAR detection or restricting ACTIVE scanning.
91 * NOTE: "WIDE" flag does not indicate anything about "FAT" 40 MHz channels.
92 * It only indicates that 20 MHz channel use is supported; FAT channel
93 * usage is indicated by a separate set of regulatory flags for each
96 * NOTE: Using a channel inappropriately will result in a uCode error!
98 #define IWL_NUM_TX_CALIB_GROUPS 5
100 EEPROM_CHANNEL_VALID = (1 << 0), /* usable for this SKU/geo */
101 EEPROM_CHANNEL_IBSS = (1 << 1), /* usable as an IBSS channel */
103 EEPROM_CHANNEL_ACTIVE = (1 << 3), /* active scanning allowed */
104 EEPROM_CHANNEL_RADAR = (1 << 4), /* radar detection required */
105 EEPROM_CHANNEL_WIDE = (1 << 5), /* 20 MHz channel okay */
106 /* Bit 6 Reserved (was Narrow Channel) */
107 EEPROM_CHANNEL_DFS = (1 << 7), /* dynamic freq selection candidate */
110 /* SKU Capabilities */
111 #define EEPROM_SKU_CAP_SW_RF_KILL_ENABLE (1 << 0)
112 #define EEPROM_SKU_CAP_HW_RF_KILL_ENABLE (1 << 1)
114 /* *regulatory* channel data format in eeprom, one for each channel.
115 * There are separate entries for FAT (40 MHz) vs. normal (20 MHz) channels. */
116 struct iwl_eeprom_channel {
117 u8 flags; /* EEPROM_CHANNEL_* flags copied from EEPROM */
118 s8 max_power_avg; /* max power (dBm) on this chnl, limit 31 */
119 } __attribute__ ((packed));
122 #define EEPROM_3945_EEPROM_VERSION (0x2f)
124 /* 4965 has two radio transmitters (and 3 radio receivers) */
125 #define EEPROM_TX_POWER_TX_CHAINS (2)
127 /* 4965 has room for up to 8 sets of txpower calibration data */
128 #define EEPROM_TX_POWER_BANDS (8)
130 /* 4965 factory calibration measures txpower gain settings for
131 * each of 3 target output levels */
132 #define EEPROM_TX_POWER_MEASUREMENTS (3)
135 /* 4965 driver does not work with txpower calibration version < 5 */
136 #define EEPROM_4965_TX_POWER_VERSION (5)
137 #define EEPROM_4965_EEPROM_VERSION (0x2f)
138 #define EEPROM_4965_CALIB_VERSION_OFFSET (2*0xB6) /* 2 bytes */
139 #define EEPROM_4965_CALIB_TXPOWER_OFFSET (2*0xE8) /* 48 bytes */
140 #define EEPROM_4965_BOARD_REVISION (2*0x4F) /* 2 bytes */
141 #define EEPROM_4965_BOARD_PBA (2*0x56+1) /* 9 bytes */
144 #define EEPROM_5000_TX_POWER_VERSION (4)
145 #define EEPROM_5000_EEPROM_VERSION (0x11A)
147 /*5000 calibrations */
148 #define EEPROM_5000_CALIB_ALL (INDIRECT_ADDRESS | INDIRECT_CALIBRATION)
149 #define EEPROM_5000_XTAL ((2*0x128) | EEPROM_5000_CALIB_ALL)
150 #define EEPROM_5000_TEMPERATURE ((2*0x12A) | EEPROM_5000_CALIB_ALL)
153 #define EEPROM_5000_LINK_HOST (2*0x64)
154 #define EEPROM_5000_LINK_GENERAL (2*0x65)
155 #define EEPROM_5000_LINK_REGULATORY (2*0x66)
156 #define EEPROM_5000_LINK_CALIBRATION (2*0x67)
157 #define EEPROM_5000_LINK_PROCESS_ADJST (2*0x68)
158 #define EEPROM_5000_LINK_OTHERS (2*0x69)
160 /* 5000 regulatory - indirect access */
161 #define EEPROM_5000_REG_SKU_ID ((0x02)\
162 | INDIRECT_ADDRESS | INDIRECT_REGULATORY) /* 4 bytes */
163 #define EEPROM_5000_REG_BAND_1_CHANNELS ((0x08)\
164 | INDIRECT_ADDRESS | INDIRECT_REGULATORY) /* 28 bytes */
165 #define EEPROM_5000_REG_BAND_2_CHANNELS ((0x26)\
166 | INDIRECT_ADDRESS | INDIRECT_REGULATORY) /* 26 bytes */
167 #define EEPROM_5000_REG_BAND_3_CHANNELS ((0x42)\
168 | INDIRECT_ADDRESS | INDIRECT_REGULATORY) /* 24 bytes */
169 #define EEPROM_5000_REG_BAND_4_CHANNELS ((0x5C)\
170 | INDIRECT_ADDRESS | INDIRECT_REGULATORY) /* 22 bytes */
171 #define EEPROM_5000_REG_BAND_5_CHANNELS ((0x74)\
172 | INDIRECT_ADDRESS | INDIRECT_REGULATORY) /* 12 bytes */
173 #define EEPROM_5000_REG_BAND_24_FAT_CHANNELS ((0x82)\
174 | INDIRECT_ADDRESS | INDIRECT_REGULATORY) /* 14 bytes */
175 #define EEPROM_5000_REG_BAND_52_FAT_CHANNELS ((0x92)\
176 | INDIRECT_ADDRESS | INDIRECT_REGULATORY) /* 22 bytes */
179 #define EEPROM_5050_TX_POWER_VERSION (4)
180 #define EEPROM_5050_EEPROM_VERSION (0x21E)
183 extern const u8 iwl_eeprom_band_1[14];
186 * factory calibration data for one txpower level, on one channel,
187 * measured on one of the 2 tx chains (radio transmitter and associated
188 * antenna). EEPROM contains:
190 * 1) Temperature (degrees Celsius) of device when measurement was made.
192 * 2) Gain table index used to achieve the target measurement power.
193 * This refers to the "well-known" gain tables (see iwl-4965-hw.h).
195 * 3) Actual measured output power, in half-dBm ("34" = 17 dBm).
197 * 4) RF power amplifier detector level measurement (not used).
199 struct iwl_eeprom_calib_measure {
200 u8 temperature; /* Device temperature (Celsius) */
201 u8 gain_idx; /* Index into gain table */
202 u8 actual_pow; /* Measured RF output power, half-dBm */
203 s8 pa_det; /* Power amp detector level (not used) */
204 } __attribute__ ((packed));
208 * measurement set for one channel. EEPROM contains:
210 * 1) Channel number measured
212 * 2) Measurements for each of 3 power levels for each of 2 radio transmitters
213 * (a.k.a. "tx chains") (6 measurements altogether)
215 struct iwl_eeprom_calib_ch_info {
217 struct iwl_eeprom_calib_measure
218 measurements[EEPROM_TX_POWER_TX_CHAINS]
219 [EEPROM_TX_POWER_MEASUREMENTS];
220 } __attribute__ ((packed));
223 * txpower subband info.
225 * For each frequency subband, EEPROM contains the following:
227 * 1) First and last channels within range of the subband. "0" values
228 * indicate that this sample set is not being used.
230 * 2) Sample measurement sets for 2 channels close to the range endpoints.
232 struct iwl_eeprom_calib_subband_info {
233 u8 ch_from; /* channel number of lowest channel in subband */
234 u8 ch_to; /* channel number of highest channel in subband */
235 struct iwl_eeprom_calib_ch_info ch1;
236 struct iwl_eeprom_calib_ch_info ch2;
237 } __attribute__ ((packed));
241 * txpower calibration info. EEPROM contains:
243 * 1) Factory-measured saturation power levels (maximum levels at which
244 * tx power amplifier can output a signal without too much distortion).
245 * There is one level for 2.4 GHz band and one for 5 GHz band. These
246 * values apply to all channels within each of the bands.
248 * 2) Factory-measured power supply voltage level. This is assumed to be
249 * constant (i.e. same value applies to all channels/bands) while the
250 * factory measurements are being made.
252 * 3) Up to 8 sets of factory-measured txpower calibration values.
253 * These are for different frequency ranges, since txpower gain
254 * characteristics of the analog radio circuitry vary with frequency.
256 * Not all sets need to be filled with data;
257 * struct iwl_eeprom_calib_subband_info contains range of channels
258 * (0 if unused) for each set of data.
260 struct iwl_eeprom_calib_info {
261 u8 saturation_power24; /* half-dBm (e.g. "34" = 17 dBm) */
262 u8 saturation_power52; /* half-dBm */
263 s16 voltage; /* signed */
264 struct iwl_eeprom_calib_subband_info
265 band_info[EEPROM_TX_POWER_BANDS];
266 } __attribute__ ((packed));
269 #define ADDRESS_MSK 0x0000FFFF
270 #define INDIRECT_TYPE_MSK 0x000F0000
271 #define INDIRECT_HOST 0x00010000
272 #define INDIRECT_GENERAL 0x00020000
273 #define INDIRECT_REGULATORY 0x00030000
274 #define INDIRECT_CALIBRATION 0x00040000
275 #define INDIRECT_PROCESS_ADJST 0x00050000
276 #define INDIRECT_OTHERS 0x00060000
277 #define INDIRECT_ADDRESS 0x00100000
280 #define EEPROM_DEVICE_ID (2*0x08) /* 2 bytes */
281 #define EEPROM_MAC_ADDRESS (2*0x15) /* 6 bytes */
282 #define EEPROM_BOARD_REVISION (2*0x35) /* 2 bytes */
283 #define EEPROM_BOARD_PBA_NUMBER (2*0x3B+1) /* 9 bytes */
284 #define EEPROM_VERSION (2*0x44) /* 2 bytes */
285 #define EEPROM_SKU_CAP (2*0x45) /* 1 bytes */
286 #define EEPROM_LEDS_MODE (2*0x45+1) /* 1 bytes */
287 #define EEPROM_OEM_MODE (2*0x46) /* 2 bytes */
288 #define EEPROM_WOWLAN_MODE (2*0x47) /* 2 bytes */
289 #define EEPROM_RADIO_CONFIG (2*0x48) /* 2 bytes */
290 #define EEPROM_3945_M_VERSION (2*0x4A) /* 1 bytes */
291 #define EEPROM_ANTENNA_SWITCH_TYPE (2*0x4A+1) /* 1 bytes */
293 /* The following masks are to be applied on EEPROM_RADIO_CONFIG */
294 #define EEPROM_RF_CFG_TYPE_MSK(x) (x & 0x3) /* bits 0-1 */
295 #define EEPROM_RF_CFG_STEP_MSK(x) ((x >> 2) & 0x3) /* bits 2-3 */
296 #define EEPROM_RF_CFG_DASH_MSK(x) ((x >> 4) & 0x3) /* bits 4-5 */
297 #define EEPROM_RF_CFG_PNUM_MSK(x) ((x >> 6) & 0x3) /* bits 6-7 */
298 #define EEPROM_RF_CFG_TX_ANT_MSK(x) ((x >> 8) & 0xF) /* bits 8-11 */
299 #define EEPROM_RF_CFG_RX_ANT_MSK(x) ((x >> 12) & 0xF) /* bits 12-15 */
301 #define EEPROM_3945_RF_CFG_TYPE_MAX 0x0
302 #define EEPROM_4965_RF_CFG_TYPE_MAX 0x1
303 #define EEPROM_5000_RF_CFG_TYPE_MAX 0x3
306 * Per-channel regulatory data.
308 * Each channel that *might* be supported by iwl has a fixed location
309 * in EEPROM containing EEPROM_CHANNEL_* usage flags (LSB) and max regulatory
312 * Entries immediately below are for 20 MHz channel width. FAT (40 MHz)
313 * channels (only for 4965, not supported by 3945) appear later in the EEPROM.
315 * 2.4 GHz channels 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14
317 #define EEPROM_REGULATORY_SKU_ID (2*0x60) /* 4 bytes */
318 #define EEPROM_REGULATORY_BAND_1 (2*0x62) /* 2 bytes */
319 #define EEPROM_REGULATORY_BAND_1_CHANNELS (2*0x63) /* 28 bytes */
322 * 4.9 GHz channels 183, 184, 185, 187, 188, 189, 192, 196,
323 * 5.0 GHz channels 7, 8, 11, 12, 16
324 * (4915-5080MHz) (none of these is ever supported)
326 #define EEPROM_REGULATORY_BAND_2 (2*0x71) /* 2 bytes */
327 #define EEPROM_REGULATORY_BAND_2_CHANNELS (2*0x72) /* 26 bytes */
330 * 5.2 GHz channels 34, 36, 38, 40, 42, 44, 46, 48, 52, 56, 60, 64
333 #define EEPROM_REGULATORY_BAND_3 (2*0x7F) /* 2 bytes */
334 #define EEPROM_REGULATORY_BAND_3_CHANNELS (2*0x80) /* 24 bytes */
337 * 5.5 GHz channels 100, 104, 108, 112, 116, 120, 124, 128, 132, 136, 140
340 #define EEPROM_REGULATORY_BAND_4 (2*0x8C) /* 2 bytes */
341 #define EEPROM_REGULATORY_BAND_4_CHANNELS (2*0x8D) /* 22 bytes */
344 * 5.7 GHz channels 145, 149, 153, 157, 161, 165
347 #define EEPROM_REGULATORY_BAND_5 (2*0x98) /* 2 bytes */
348 #define EEPROM_REGULATORY_BAND_5_CHANNELS (2*0x99) /* 12 bytes */
351 * 2.4 GHz FAT channels 1 (5), 2 (6), 3 (7), 4 (8), 5 (9), 6 (10), 7 (11)
353 * The channel listed is the center of the lower 20 MHz half of the channel.
354 * The overall center frequency is actually 2 channels (10 MHz) above that,
355 * and the upper half of each FAT channel is centered 4 channels (20 MHz) away
356 * from the lower half; e.g. the upper half of FAT channel 1 is channel 5,
357 * and the overall FAT channel width centers on channel 3.
359 * NOTE: The RXON command uses 20 MHz channel numbers to specify the
360 * control channel to which to tune. RXON also specifies whether the
361 * control channel is the upper or lower half of a FAT channel.
363 * NOTE: 4965 does not support FAT channels on 2.4 GHz.
365 #define EEPROM_4965_REGULATORY_BAND_24_FAT_CHANNELS (2*0xA0) /* 14 bytes */
368 * 5.2 GHz FAT channels 36 (40), 44 (48), 52 (56), 60 (64),
369 * 100 (104), 108 (112), 116 (120), 124 (128), 132 (136), 149 (153), 157 (161)
371 #define EEPROM_4965_REGULATORY_BAND_52_FAT_CHANNELS (2*0xA8) /* 22 bytes */
373 #define EEPROM_REGULATORY_BAND_NO_FAT (0)
375 struct iwl_eeprom_ops {
376 const u32 regulatory_bands[7];
377 int (*verify_signature) (struct iwl_priv *priv);
378 int (*acquire_semaphore) (struct iwl_priv *priv);
379 void (*release_semaphore) (struct iwl_priv *priv);
380 u16 (*calib_version) (struct iwl_priv *priv);
381 const u8* (*query_addr) (const struct iwl_priv *priv, size_t offset);
385 void iwl_eeprom_get_mac(const struct iwl_priv *priv, u8 *mac);
386 int iwl_eeprom_init(struct iwl_priv *priv);
387 void iwl_eeprom_free(struct iwl_priv *priv);
388 int iwl_eeprom_check_version(struct iwl_priv *priv);
389 const u8 *iwl_eeprom_query_addr(const struct iwl_priv *priv, size_t offset);
390 u16 iwl_eeprom_query16(const struct iwl_priv *priv, size_t offset);
392 int iwlcore_eeprom_verify_signature(struct iwl_priv *priv);
393 int iwlcore_eeprom_acquire_semaphore(struct iwl_priv *priv);
394 void iwlcore_eeprom_release_semaphore(struct iwl_priv *priv);
395 const u8 *iwlcore_eeprom_query_addr(const struct iwl_priv *priv, size_t offset);
397 int iwl_init_channel_map(struct iwl_priv *priv);
398 void iwl_free_channel_map(struct iwl_priv *priv);
399 const struct iwl_channel_info *iwl_get_channel_info(
400 const struct iwl_priv *priv,
401 enum ieee80211_band band, u16 channel);
403 #endif /* __iwl_eeprom_h__ */