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) 2005 - 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
40 * * Redistributions of source code must retain the above copyright
41 * notice, this list of conditions and the following disclaimer.
42 * * Redistributions in binary form must reproduce the above copyright
43 * notice, this list of conditions and the following disclaimer in
44 * the documentation and/or other materials provided with the
46 * * Neither the name Intel Corporation nor the names of its
47 * contributors may be used to endorse or promote products derived
48 * from this software without specific prior written permission.
50 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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60 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
62 *****************************************************************************/
64 * Please use this file (iwl-3945-hw.h) only for hardware-related definitions.
65 * Please use iwl-3945-commands.h for uCode API definitions.
66 * Please use iwl-3945.h for driver implementation definitions.
69 #ifndef __iwl_3945_hw__
70 #define __iwl_3945_hw__
72 #include "iwl-eeprom.h"
75 * uCode queue management definitions ...
76 * Queue #4 is the command queue for 3945 and 4965.
78 #define IWL_CMD_QUEUE_NUM 4
81 #define SHORT_SLOT_TIME 9
82 #define LONG_SLOT_TIME 20
85 #define IWL39_RSSI_OFFSET 95
88 * EEPROM related constants, enums, and structures.
90 #define EEPROM_SKU_CAP_OP_MODE_MRC (1 << 7)
93 * Mapping of a Tx power level, at factory calibration temperature,
94 * to a radio/DSP gain table index.
95 * One for each of 5 "sample" power levels in each band.
96 * v_det is measured at the factory, using the 3945's built-in power amplifier
97 * (PA) output voltage detector. This same detector is used during Tx of
98 * long packets in normal operation to provide feedback as to proper output
100 * Data copied from EEPROM.
101 * DO NOT ALTER THIS STRUCTURE!!!
103 struct iwl3945_eeprom_txpower_sample {
104 u8 gain_index; /* index into power (gain) setup table ... */
105 s8 power; /* ... for this pwr level for this chnl group */
106 u16 v_det; /* PA output voltage */
107 } __attribute__ ((packed));
110 * Mappings of Tx power levels -> nominal radio/DSP gain table indexes.
111 * One for each channel group (a.k.a. "band") (1 for BG, 4 for A).
112 * Tx power setup code interpolates between the 5 "sample" power levels
113 * to determine the nominal setup for a requested power level.
114 * Data copied from EEPROM.
115 * DO NOT ALTER THIS STRUCTURE!!!
117 struct iwl3945_eeprom_txpower_group {
118 struct iwl3945_eeprom_txpower_sample samples[5]; /* 5 power levels */
119 s32 a, b, c, d, e; /* coefficients for voltage->power
120 * formula (signed) */
121 s32 Fa, Fb, Fc, Fd, Fe; /* these modify coeffs based on
122 * frequency (signed) */
123 s8 saturation_power; /* highest power possible by h/w in this
125 u8 group_channel; /* "representative" channel # in this band */
126 s16 temperature; /* h/w temperature at factory calib this band
128 } __attribute__ ((packed));
131 * Temperature-based Tx-power compensation data, not band-specific.
132 * These coefficients are use to modify a/b/c/d/e coeffs based on
133 * difference between current temperature and factory calib temperature.
134 * Data copied from EEPROM.
136 struct iwl3945_eeprom_temperature_corr {
142 } __attribute__ ((packed));
147 struct iwl3945_eeprom {
149 u16 device_id; /* abs.ofs: 16 */
151 u16 pmc; /* abs.ofs: 20 */
153 u8 mac_address[6]; /* abs.ofs: 42 */
155 u16 board_revision; /* abs.ofs: 106 */
157 u8 board_pba_number[9]; /* abs.ofs: 119 */
159 u16 version; /* abs.ofs: 136 */
160 u8 sku_cap; /* abs.ofs: 138 */
161 u8 leds_mode; /* abs.ofs: 139 */
163 u16 wowlan_mode; /* abs.ofs: 142 */
164 u16 leds_time_interval; /* abs.ofs: 144 */
165 u8 leds_off_time; /* abs.ofs: 146 */
166 u8 leds_on_time; /* abs.ofs: 147 */
167 u8 almgor_m_version; /* abs.ofs: 148 */
168 u8 antenna_switch_type; /* abs.ofs: 149 */
170 u8 sku_id[4]; /* abs.ofs: 192 */
173 * Per-channel regulatory data.
175 * Each channel that *might* be supported by 3945 or 4965 has a fixed location
176 * in EEPROM containing EEPROM_CHANNEL_* usage flags (LSB) and max regulatory
179 * Entries immediately below are for 20 MHz channel width. FAT (40 MHz)
180 * channels (only for 4965, not supported by 3945) appear later in the EEPROM.
182 * 2.4 GHz channels 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14
184 u16 band_1_count; /* abs.ofs: 196 */
185 struct iwl_eeprom_channel band_1_channels[14]; /* abs.ofs: 198 */
188 * 4.9 GHz channels 183, 184, 185, 187, 188, 189, 192, 196,
189 * 5.0 GHz channels 7, 8, 11, 12, 16
190 * (4915-5080MHz) (none of these is ever supported)
192 u16 band_2_count; /* abs.ofs: 226 */
193 struct iwl_eeprom_channel band_2_channels[13]; /* abs.ofs: 228 */
196 * 5.2 GHz channels 34, 36, 38, 40, 42, 44, 46, 48, 52, 56, 60, 64
199 u16 band_3_count; /* abs.ofs: 254 */
200 struct iwl_eeprom_channel band_3_channels[12]; /* abs.ofs: 256 */
203 * 5.5 GHz channels 100, 104, 108, 112, 116, 120, 124, 128, 132, 136, 140
206 u16 band_4_count; /* abs.ofs: 280 */
207 struct iwl_eeprom_channel band_4_channels[11]; /* abs.ofs: 282 */
210 * 5.7 GHz channels 145, 149, 153, 157, 161, 165
213 u16 band_5_count; /* abs.ofs: 304 */
214 struct iwl_eeprom_channel band_5_channels[6]; /* abs.ofs: 306 */
219 * 3945 Txpower calibration data.
221 #define IWL_NUM_TX_CALIB_GROUPS 5
222 struct iwl3945_eeprom_txpower_group groups[IWL_NUM_TX_CALIB_GROUPS];
224 struct iwl3945_eeprom_temperature_corr corrections; /* abs.ofs: 832 */
225 u8 reserved16[172]; /* fill out to full 1024 byte block */
226 } __attribute__ ((packed));
228 #define IWL3945_EEPROM_IMG_SIZE 1024
232 #define PCI_CFG_REV_ID_BIT_BASIC_SKU (0x40) /* bit 6 */
233 #define PCI_CFG_REV_ID_BIT_RTP (0x80) /* bit 7 */
235 #define TFD_QUEUE_MIN 0
236 #define TFD_QUEUE_MAX 5 /* 4 DATA + 1 CMD */
238 #define IWL_NUM_SCAN_RATES (2)
240 #define IWL_DEFAULT_TX_RETRY 15
242 /*********************************************/
245 #define NUM_TFD_CHUNKS 4
247 #define RX_QUEUE_SIZE 256
248 #define RX_QUEUE_MASK 255
249 #define RX_QUEUE_SIZE_LOG 8
251 #define U32_PAD(n) ((4-(n))&0x3)
253 #define TFD_CTL_COUNT_SET(n) (n << 24)
254 #define TFD_CTL_COUNT_GET(ctl) ((ctl >> 24) & 7)
255 #define TFD_CTL_PAD_SET(n) (n << 28)
256 #define TFD_CTL_PAD_GET(ctl) (ctl >> 28)
259 * RX related structures and functions
261 #define RX_FREE_BUFFERS 64
262 #define RX_LOW_WATERMARK 8
264 /* Sizes and addresses for instruction and data memory (SRAM) in
265 * 3945's embedded processor. Driver access is via HBUS_TARG_MEM_* regs. */
266 #define IWL39_RTC_INST_LOWER_BOUND (0x000000)
267 #define IWL39_RTC_INST_UPPER_BOUND (0x014000)
269 #define IWL39_RTC_DATA_LOWER_BOUND (0x800000)
270 #define IWL39_RTC_DATA_UPPER_BOUND (0x808000)
272 #define IWL39_RTC_INST_SIZE (IWL39_RTC_INST_UPPER_BOUND - \
273 IWL39_RTC_INST_LOWER_BOUND)
274 #define IWL39_RTC_DATA_SIZE (IWL39_RTC_DATA_UPPER_BOUND - \
275 IWL39_RTC_DATA_LOWER_BOUND)
277 #define IWL39_MAX_INST_SIZE IWL39_RTC_INST_SIZE
278 #define IWL39_MAX_DATA_SIZE IWL39_RTC_DATA_SIZE
280 /* Size of uCode instruction memory in bootstrap state machine */
281 #define IWL39_MAX_BSM_SIZE IWL39_RTC_INST_SIZE
283 #define IWL39_MAX_NUM_QUEUES 8
285 static inline int iwl3945_hw_valid_rtc_data_addr(u32 addr)
287 return (addr >= IWL39_RTC_DATA_LOWER_BOUND) &&
288 (addr < IWL39_RTC_DATA_UPPER_BOUND);
291 /* Base physical address of iwl3945_shared is provided to FH_TSSR_CBB_BASE
292 * and &iwl3945_shared.rx_read_ptr[0] is provided to FH_RCSR_RPTR_ADDR(0) */
293 struct iwl3945_shared {
294 __le32 tx_base_ptr[8];
295 } __attribute__ ((packed));
297 static inline u8 iwl3945_hw_get_rate(__le16 rate_n_flags)
299 return le16_to_cpu(rate_n_flags) & 0xFF;
302 static inline u16 iwl3945_hw_get_rate_n_flags(__le16 rate_n_flags)
304 return le16_to_cpu(rate_n_flags);
307 static inline __le16 iwl3945_hw_set_rate_n_flags(u8 rate, u16 flags)
309 return cpu_to_le16((u16)rate|flags);