xref: /titanic_52/usr/src/uts/common/io/iwh/iwh_eeprom.h (revision 4a5d661a82b942b6538acd26209d959ce98b593a)
1 /*
2  * Copyright 2010 Sun Microsystems, Inc.  All rights reserved.
3  * Use is subject to license terms.
4  */
5 
6 /*
7  * Copyright (c) 2009, Intel Corporation
8  * All rights reserved.
9  */
10 
11 /*
12  * Sun elects to use this software under the BSD license.
13  */
14 
15 /*
16  * This file is provided under a dual BSD/GPLv2 license.  When using or
17  * redistributing this file, you may do so under either license.
18  *
19  * GPL LICENSE SUMMARY
20  *
21  * Copyright(c) 2005 - 2009 Intel Corporation. All rights reserved.
22  *
23  * This program is free software; you can redistribute it and/or modify
24  * it under the terms of version 2 of the GNU General Public License as
25  * published by the Free Software Foundation.
26  *
27  * This program is distributed in the hope that it will be useful, but
28  * WITHOUT ANY WARRANTY; without even the implied warranty of
29  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
30  * General Public License for more details.
31  *
32  * You should have received a copy of the GNU General Public License
33  * along with this program; if not, write to the Free Software
34  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110,
35  * USA
36  *
37  * The full GNU General Public License is included in this distribution
38  * in the file called LICENSE.GPL.
39  *
40  * Contact Information:
41  * James P. Ketrenos <ipw2100-admin@linux.intel.com>
42  * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
43  *
44  * BSD LICENSE
45  *
46  * Copyright(c) 2005 - 2009 Intel Corporation. All rights reserved.
47  * All rights reserved.
48  *
49  * Redistribution and use in source and binary forms, with or without
50  * modification, are permitted provided that the following conditions
51  * are met:
52  *
53  *  * Redistributions of source code must retain the above copyright
54  *    notice, this list of conditions and the following disclaimer.
55  *  * Redistributions in binary form must reproduce the above copyright
56  *    notice, this list of conditions and the following disclaimer in
57  *    the documentation and/or other materials provided with the
58  *    distribution.
59  *  * Neither the name Intel Corporation nor the names of its
60  *    contributors may be used to endorse or promote products derived
61  *    from this software without specific prior written permission.
62  *
63  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
64  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
65  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
66  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
67  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
68  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
69  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
70  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
71  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
72  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
73  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
74  */
75 
76 #ifndef _IWH_EEPROM_H_
77 #define	_IWH_EEPROM_H_
78 
79 /*
80  * This file defines EEPROM related constants, enums, and inline functions.
81  */
82 
83 /*
84  * EEPROM field values
85  */
86 #define	ANTENNA_SWITCH_NORMAL		0
87 #define	ANTENNA_SWITCH_INVERSE		1
88 
89 enum {
90 	EEPROM_CHANNEL_VALID = (1 << 0),	/* usable for this SKU/geo */
91 	EEPROM_CHANNEL_IBSS = (1 << 1),	/* usable as an IBSS channel */
92 	/* Bit 2 Reserved */
93 	EEPROM_CHANNEL_ACTIVE = (1 << 3),	/* active scanning allowed */
94 	EEPROM_CHANNEL_RADAR = (1 << 4),	/* radar detection required */
95 	EEPROM_CHANNEL_WIDE = (1 << 5),
96 	EEPROM_CHANNEL_NARROW = (1 << 6),
97 	EEPROM_CHANNEL_DFS = (1 << 7),	/* dynamic freq selection candidate */
98 };
99 
100 /*
101  * EEPROM field lengths
102  */
103 #define	EEPROM_BOARD_PBA_NUMBER_LENGTH		11
104 
105 /*
106  * EEPROM field lengths
107  */
108 #define	EEPROM_BOARD_PBA_NUMBER_LENGTH		11
109 #define	EEPROM_REGULATORY_SKU_ID_LENGTH		4
110 #define	EEPROM_REGULATORY_BAND1_CHANNELS_LENGTH	14
111 #define	EEPROM_REGULATORY_BAND2_CHANNELS_LENGTH	13
112 #define	EEPROM_REGULATORY_BAND3_CHANNELS_LENGTH	12
113 #define	EEPROM_REGULATORY_BAND4_CHANNELS_LENGTH	11
114 #define	EEPROM_REGULATORY_BAND5_CHANNELS_LENGTH	6
115 
116 
117 #define	EEPROM_REGULATORY_NUMBER_OF_BANDS	5
118 
119 /*
120  * SKU Capabilities
121  */
122 #define	EEPROM_SKU_CAP_SW_RF_KILL_ENABLE	(1 << 0)
123 #define	EEPROM_SKU_CAP_HW_RF_KILL_ENABLE	(1 << 1)
124 #define	EEPROM_SKU_CAP_OP_MODE_MRC		(1 << 7)
125 
126 /*
127  * *regulatory* channel data from eeprom, one for each channel
128  */
129 struct iwl_eeprom_channel {
130 	uint8_t flags;		/* flags copied from EEPROM */
131 	int8_t max_power_avg;	/* max power (dBm) on this chnl, limit 31 */
132 };
133 
134 /*
135  * Mapping of a Tx power level, at factory calibration temperature,
136  *   to a radio/DSP gain table index.
137  * One for each of 5 "sample" power levels in each band.
138  * v_det is measured at the factory, using the 3945's built-in power amplifier
139  *   (PA) output voltage detector.  This same detector is used during Tx of
140  *   long packets in normal operation to provide feedback as to proper output
141  *   level.
142  * Data copied from EEPROM.
143  */
144 struct iwl_eeprom_txpower_sample {
145 	uint8_t gain_index;	/* index into power (gain) setup table ... */
146 	int8_t power;		/* ... for this pwr level for this chnl group */
147 	uint16_t v_det;		/* PA output voltage */
148 };
149 
150 /*
151  * Mappings of Tx power levels -> nominal radio/DSP gain table indexes.
152  * One for each channel group (a.k.a. "band") (1 for BG, 4 for A).
153  * Tx power setup code interpolates between the 5 "sample" power levels
154  *    to determine the nominal setup for a requested power level.
155  * Data copied from EEPROM.
156  * DO NOT ALTER THIS STRUCTURE!!!
157  */
158 struct iwl_eeprom_txpower_group {
159 	/* 5 power levels */
160 	struct iwl_eeprom_txpower_sample samples[5];
161 	/* coefficients for voltage->power formula (signed) */
162 	uint32_t a, b, c, d, e;
163 	/* these modify coeffs based on frequency (signed) */
164 	uint32_t Fa, Fb, Fc, Fd, Fe;
165 	/* highest power possible by h/w in this * band */
166 	int8_t saturation_power;
167 	/* "representative" channel # in this band */
168 	uint8_t group_channel;
169 	/* h/w temperature at factory calib this band (signed) */
170 	uint16_t temperature;
171 };
172 
173 /*
174  * Temperature-based Tx-power compensation data, not band-specific.
175  * These coefficients are use to modify a/b/c/d/e coeffs based on
176  *   difference between current temperature and factory calib temperature.
177  * Data copied from EEPROM.
178  */
179 struct iwl_eeprom_temperature_corr {
180 	uint32_t Ta;
181 	uint32_t Tb;
182 	uint32_t Tc;
183 	uint32_t Td;
184 	uint32_t Te;
185 };
186 
187 
188 /*
189  * eeprom map
190  */
191 #define	EEP_MAC_ADDRESS	42	/* chipset's MAC address 6 bytes */
192 #define	EEP_VERSION	136	/* eeprom version 2 bytes */
193 #define	EEP_SP_RADIO_CONFIGURATION	144	/* SP's radio configuration */
194 
195 
196 
197 #define	CSR_EEPROM_REG			(CSR_BASE+0x02c)
198 #define	CSR_EEPROM_GP			(CSR_BASE+0x030)
199 #define	CSR_EEPROM_GP_VALID_MSK		0x00000006
200 #define	CSR_EEPROM_GP_BAD_SIGNATURE	0x00000000
201 #define	IWH_SP_EEPROM_SIZE	2048
202 
203 #define	IWH_READ_EEP_SHORT(sc, addr)	((((uint16_t)sc->sc_eep_map[addr + 1])\
204 					    << 8) |\
205 					    ((uint16_t)sc->sc_eep_map[addr]))
206 
207 #define	SP_RADIO_TYPE_3x3	(0)
208 #define	SP_RADIO_TYPE_2x2	(1)
209 #define	SP_RADIO_TYPE_1x2	(2)
210 #define	SP_RADIO_TYPE_MAX	(3)
211 
212 #define	SP_RADIO_TYPE_MSK(x)	(x & 3)
213 #define	SP_RADIO_STEP_MSK(x)	((x>>2) & 3)
214 #define	SP_RADIO_DASH_MSK(x)	((x>>4) & 3)
215 #define	SP_RADIO_PNUM_MSK(x)	((x>>6) & 3)
216 #define	SP_RADIO_TX_CHAIN_MSK(x)	((x>>8) & 0xf)
217 #define	SP_RADIO_RX_CHAIN_MSK(x)	((x>>12) & 0xf)
218 
219 #define	ADDRESS_MSK		0x0000ffff
220 #define	INDIRECT_TYPE_MSK	0x000f0000
221 #define	INDIRECT_HOST		0x00010000
222 #define	INDIRECT_GENERAL	0x00020000
223 #define	INDIRECT_REGULATORY	0x00030000
224 #define	INDIRECT_CALIBRATION	0x00040000
225 #define	INDIRECT_PROCESS_ADJST	0x00050000
226 #define	INDIRECT_OTHERS		0x00060000
227 #define	INDIRECT_ADDRESS	0x00100000
228 
229 #define	EEP_LINK_HOST		(200)
230 #define	EEP_LINK_GENERAL	(202)
231 #define	EEP_LINK_REGULATORY	(204)
232 #define	EEP_LINK_CALIBRATION	(206)
233 #define	EEP_LINK_PROCESS_ADJST	(208)
234 #define	EEP_LINK_OTHERS		(210)
235 
236 #define	EEP_CALIBRATION		((0x00) | INDIRECT_ADDRESS |\
237 				    INDIRECT_CALIBRATION)
238 
239 #define	EEP_TX_POWER_TX_CHAINS	(3)
240 #define	EEP_RXIQ_CAL_CHANNELS	(7)
241 #define	EEP_CAL_CHANNEL_GROUP	(7)
242 #define	EEP_RXIQ_DRIVER_MODES	(12)
243 
244 
245 
246 #endif /* _IWH_EEPROM_H_ */
247