Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 1 | /* |
Ivo van Doorn | 4e54c71 | 2009-01-17 20:42:32 +0100 | [diff] [blame] | 2 | Copyright (C) 2004 - 2009 rt2x00 SourceForge Project |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 3 | <http://rt2x00.serialmonkey.com> |
| 4 | |
| 5 | This program is free software; you can redistribute it and/or modify |
| 6 | it under the terms of the GNU General Public License as published by |
| 7 | the Free Software Foundation; either version 2 of the License, or |
| 8 | (at your option) any later version. |
| 9 | |
| 10 | This program is distributed in the hope that it will be useful, |
| 11 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 13 | GNU General Public License for more details. |
| 14 | |
| 15 | You should have received a copy of the GNU General Public License |
| 16 | along with this program; if not, write to the |
| 17 | Free Software Foundation, Inc., |
| 18 | 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
| 19 | */ |
| 20 | |
| 21 | /* |
| 22 | Module: rt2500usb |
| 23 | Abstract: rt2500usb device specific routines. |
| 24 | Supported chipsets: RT2570. |
| 25 | */ |
| 26 | |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 27 | #include <linux/delay.h> |
| 28 | #include <linux/etherdevice.h> |
| 29 | #include <linux/init.h> |
| 30 | #include <linux/kernel.h> |
| 31 | #include <linux/module.h> |
| 32 | #include <linux/usb.h> |
| 33 | |
| 34 | #include "rt2x00.h" |
| 35 | #include "rt2x00usb.h" |
| 36 | #include "rt2500usb.h" |
| 37 | |
| 38 | /* |
Ivo van Doorn | dddfb47 | 2008-12-02 18:20:42 +0100 | [diff] [blame] | 39 | * Allow hardware encryption to be disabled. |
| 40 | */ |
Ivo van Doorn | f1dd2b2 | 2009-01-03 16:27:14 +0100 | [diff] [blame] | 41 | static int modparam_nohwcrypt = 0; |
Ivo van Doorn | dddfb47 | 2008-12-02 18:20:42 +0100 | [diff] [blame] | 42 | module_param_named(nohwcrypt, modparam_nohwcrypt, bool, S_IRUGO); |
| 43 | MODULE_PARM_DESC(nohwcrypt, "Disable hardware encryption."); |
| 44 | |
| 45 | /* |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 46 | * Register access. |
| 47 | * All access to the CSR registers will go through the methods |
| 48 | * rt2500usb_register_read and rt2500usb_register_write. |
| 49 | * BBP and RF register require indirect register access, |
| 50 | * and use the CSR registers BBPCSR and RFCSR to achieve this. |
| 51 | * These indirect registers work with busy bits, |
| 52 | * and we will try maximal REGISTER_BUSY_COUNT times to access |
| 53 | * the register while taking a REGISTER_BUSY_DELAY us delay |
| 54 | * between each attampt. When the busy bit is still set at that time, |
| 55 | * the access attempt is considered to have failed, |
| 56 | * and we will print an error. |
Ivo van Doorn | 8ff48a8 | 2008-11-09 23:40:46 +0100 | [diff] [blame] | 57 | * If the csr_mutex is already held then the _lock variants must |
Adam Baker | 3d82346 | 2007-10-27 13:43:29 +0200 | [diff] [blame] | 58 | * be used instead. |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 59 | */ |
Adam Baker | 0e14f6d | 2007-10-27 13:41:25 +0200 | [diff] [blame] | 60 | static inline void rt2500usb_register_read(struct rt2x00_dev *rt2x00dev, |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 61 | const unsigned int offset, |
| 62 | u16 *value) |
| 63 | { |
| 64 | __le16 reg; |
| 65 | rt2x00usb_vendor_request_buff(rt2x00dev, USB_MULTI_READ, |
| 66 | USB_VENDOR_REQUEST_IN, offset, |
Ivo van Doorn | c9c3b1a | 2008-11-10 19:41:40 +0100 | [diff] [blame] | 67 | ®, sizeof(reg), REGISTER_TIMEOUT); |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 68 | *value = le16_to_cpu(reg); |
| 69 | } |
| 70 | |
Adam Baker | 3d82346 | 2007-10-27 13:43:29 +0200 | [diff] [blame] | 71 | static inline void rt2500usb_register_read_lock(struct rt2x00_dev *rt2x00dev, |
| 72 | const unsigned int offset, |
| 73 | u16 *value) |
| 74 | { |
| 75 | __le16 reg; |
| 76 | rt2x00usb_vendor_req_buff_lock(rt2x00dev, USB_MULTI_READ, |
| 77 | USB_VENDOR_REQUEST_IN, offset, |
Ivo van Doorn | c9c3b1a | 2008-11-10 19:41:40 +0100 | [diff] [blame] | 78 | ®, sizeof(reg), REGISTER_TIMEOUT); |
Adam Baker | 3d82346 | 2007-10-27 13:43:29 +0200 | [diff] [blame] | 79 | *value = le16_to_cpu(reg); |
| 80 | } |
| 81 | |
Adam Baker | 0e14f6d | 2007-10-27 13:41:25 +0200 | [diff] [blame] | 82 | static inline void rt2500usb_register_multiread(struct rt2x00_dev *rt2x00dev, |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 83 | const unsigned int offset, |
| 84 | void *value, const u16 length) |
| 85 | { |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 86 | rt2x00usb_vendor_request_buff(rt2x00dev, USB_MULTI_READ, |
| 87 | USB_VENDOR_REQUEST_IN, offset, |
Ivo van Doorn | bd394a7 | 2008-04-21 19:01:58 +0200 | [diff] [blame] | 88 | value, length, |
| 89 | REGISTER_TIMEOUT16(length)); |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 90 | } |
| 91 | |
Adam Baker | 0e14f6d | 2007-10-27 13:41:25 +0200 | [diff] [blame] | 92 | static inline void rt2500usb_register_write(struct rt2x00_dev *rt2x00dev, |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 93 | const unsigned int offset, |
| 94 | u16 value) |
| 95 | { |
| 96 | __le16 reg = cpu_to_le16(value); |
| 97 | rt2x00usb_vendor_request_buff(rt2x00dev, USB_MULTI_WRITE, |
| 98 | USB_VENDOR_REQUEST_OUT, offset, |
Ivo van Doorn | c9c3b1a | 2008-11-10 19:41:40 +0100 | [diff] [blame] | 99 | ®, sizeof(reg), REGISTER_TIMEOUT); |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 100 | } |
| 101 | |
Adam Baker | 3d82346 | 2007-10-27 13:43:29 +0200 | [diff] [blame] | 102 | static inline void rt2500usb_register_write_lock(struct rt2x00_dev *rt2x00dev, |
| 103 | const unsigned int offset, |
| 104 | u16 value) |
| 105 | { |
| 106 | __le16 reg = cpu_to_le16(value); |
| 107 | rt2x00usb_vendor_req_buff_lock(rt2x00dev, USB_MULTI_WRITE, |
| 108 | USB_VENDOR_REQUEST_OUT, offset, |
Ivo van Doorn | c9c3b1a | 2008-11-10 19:41:40 +0100 | [diff] [blame] | 109 | ®, sizeof(reg), REGISTER_TIMEOUT); |
Adam Baker | 3d82346 | 2007-10-27 13:43:29 +0200 | [diff] [blame] | 110 | } |
| 111 | |
Adam Baker | 0e14f6d | 2007-10-27 13:41:25 +0200 | [diff] [blame] | 112 | static inline void rt2500usb_register_multiwrite(struct rt2x00_dev *rt2x00dev, |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 113 | const unsigned int offset, |
| 114 | void *value, const u16 length) |
| 115 | { |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 116 | rt2x00usb_vendor_request_buff(rt2x00dev, USB_MULTI_WRITE, |
| 117 | USB_VENDOR_REQUEST_OUT, offset, |
Ivo van Doorn | bd394a7 | 2008-04-21 19:01:58 +0200 | [diff] [blame] | 118 | value, length, |
| 119 | REGISTER_TIMEOUT16(length)); |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 120 | } |
| 121 | |
Ivo van Doorn | c9c3b1a | 2008-11-10 19:41:40 +0100 | [diff] [blame] | 122 | static int rt2500usb_regbusy_read(struct rt2x00_dev *rt2x00dev, |
| 123 | const unsigned int offset, |
| 124 | struct rt2x00_field16 field, |
| 125 | u16 *reg) |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 126 | { |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 127 | unsigned int i; |
| 128 | |
| 129 | for (i = 0; i < REGISTER_BUSY_COUNT; i++) { |
Ivo van Doorn | c9c3b1a | 2008-11-10 19:41:40 +0100 | [diff] [blame] | 130 | rt2500usb_register_read_lock(rt2x00dev, offset, reg); |
| 131 | if (!rt2x00_get_field16(*reg, field)) |
| 132 | return 1; |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 133 | udelay(REGISTER_BUSY_DELAY); |
| 134 | } |
| 135 | |
Ivo van Doorn | c9c3b1a | 2008-11-10 19:41:40 +0100 | [diff] [blame] | 136 | ERROR(rt2x00dev, "Indirect register access failed: " |
| 137 | "offset=0x%.08x, value=0x%.08x\n", offset, *reg); |
| 138 | *reg = ~0; |
| 139 | |
| 140 | return 0; |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 141 | } |
| 142 | |
Ivo van Doorn | c9c3b1a | 2008-11-10 19:41:40 +0100 | [diff] [blame] | 143 | #define WAIT_FOR_BBP(__dev, __reg) \ |
| 144 | rt2500usb_regbusy_read((__dev), PHY_CSR8, PHY_CSR8_BUSY, (__reg)) |
| 145 | #define WAIT_FOR_RF(__dev, __reg) \ |
| 146 | rt2500usb_regbusy_read((__dev), PHY_CSR10, PHY_CSR10_RF_BUSY, (__reg)) |
| 147 | |
Adam Baker | 0e14f6d | 2007-10-27 13:41:25 +0200 | [diff] [blame] | 148 | static void rt2500usb_bbp_write(struct rt2x00_dev *rt2x00dev, |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 149 | const unsigned int word, const u8 value) |
| 150 | { |
| 151 | u16 reg; |
| 152 | |
Ivo van Doorn | 8ff48a8 | 2008-11-09 23:40:46 +0100 | [diff] [blame] | 153 | mutex_lock(&rt2x00dev->csr_mutex); |
Adam Baker | 3d82346 | 2007-10-27 13:43:29 +0200 | [diff] [blame] | 154 | |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 155 | /* |
Ivo van Doorn | c9c3b1a | 2008-11-10 19:41:40 +0100 | [diff] [blame] | 156 | * Wait until the BBP becomes available, afterwards we |
| 157 | * can safely write the new data into the register. |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 158 | */ |
Ivo van Doorn | c9c3b1a | 2008-11-10 19:41:40 +0100 | [diff] [blame] | 159 | if (WAIT_FOR_BBP(rt2x00dev, ®)) { |
| 160 | reg = 0; |
| 161 | rt2x00_set_field16(®, PHY_CSR7_DATA, value); |
| 162 | rt2x00_set_field16(®, PHY_CSR7_REG_ID, word); |
| 163 | rt2x00_set_field16(®, PHY_CSR7_READ_CONTROL, 0); |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 164 | |
Ivo van Doorn | c9c3b1a | 2008-11-10 19:41:40 +0100 | [diff] [blame] | 165 | rt2500usb_register_write_lock(rt2x00dev, PHY_CSR7, reg); |
| 166 | } |
Adam Baker | 3d82346 | 2007-10-27 13:43:29 +0200 | [diff] [blame] | 167 | |
Ivo van Doorn | 8ff48a8 | 2008-11-09 23:40:46 +0100 | [diff] [blame] | 168 | mutex_unlock(&rt2x00dev->csr_mutex); |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 169 | } |
| 170 | |
Adam Baker | 0e14f6d | 2007-10-27 13:41:25 +0200 | [diff] [blame] | 171 | static void rt2500usb_bbp_read(struct rt2x00_dev *rt2x00dev, |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 172 | const unsigned int word, u8 *value) |
| 173 | { |
| 174 | u16 reg; |
| 175 | |
Ivo van Doorn | 8ff48a8 | 2008-11-09 23:40:46 +0100 | [diff] [blame] | 176 | mutex_lock(&rt2x00dev->csr_mutex); |
Adam Baker | 3d82346 | 2007-10-27 13:43:29 +0200 | [diff] [blame] | 177 | |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 178 | /* |
Ivo van Doorn | c9c3b1a | 2008-11-10 19:41:40 +0100 | [diff] [blame] | 179 | * Wait until the BBP becomes available, afterwards we |
| 180 | * can safely write the read request into the register. |
| 181 | * After the data has been written, we wait until hardware |
| 182 | * returns the correct value, if at any time the register |
| 183 | * doesn't become available in time, reg will be 0xffffffff |
| 184 | * which means we return 0xff to the caller. |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 185 | */ |
Ivo van Doorn | c9c3b1a | 2008-11-10 19:41:40 +0100 | [diff] [blame] | 186 | if (WAIT_FOR_BBP(rt2x00dev, ®)) { |
| 187 | reg = 0; |
| 188 | rt2x00_set_field16(®, PHY_CSR7_REG_ID, word); |
| 189 | rt2x00_set_field16(®, PHY_CSR7_READ_CONTROL, 1); |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 190 | |
Ivo van Doorn | c9c3b1a | 2008-11-10 19:41:40 +0100 | [diff] [blame] | 191 | rt2500usb_register_write_lock(rt2x00dev, PHY_CSR7, reg); |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 192 | |
Ivo van Doorn | c9c3b1a | 2008-11-10 19:41:40 +0100 | [diff] [blame] | 193 | if (WAIT_FOR_BBP(rt2x00dev, ®)) |
| 194 | rt2500usb_register_read_lock(rt2x00dev, PHY_CSR7, ®); |
| 195 | } |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 196 | |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 197 | *value = rt2x00_get_field16(reg, PHY_CSR7_DATA); |
Adam Baker | 3d82346 | 2007-10-27 13:43:29 +0200 | [diff] [blame] | 198 | |
Ivo van Doorn | 8ff48a8 | 2008-11-09 23:40:46 +0100 | [diff] [blame] | 199 | mutex_unlock(&rt2x00dev->csr_mutex); |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 200 | } |
| 201 | |
Adam Baker | 0e14f6d | 2007-10-27 13:41:25 +0200 | [diff] [blame] | 202 | static void rt2500usb_rf_write(struct rt2x00_dev *rt2x00dev, |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 203 | const unsigned int word, const u32 value) |
| 204 | { |
| 205 | u16 reg; |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 206 | |
Ivo van Doorn | 8ff48a8 | 2008-11-09 23:40:46 +0100 | [diff] [blame] | 207 | mutex_lock(&rt2x00dev->csr_mutex); |
Adam Baker | 3d82346 | 2007-10-27 13:43:29 +0200 | [diff] [blame] | 208 | |
Ivo van Doorn | c9c3b1a | 2008-11-10 19:41:40 +0100 | [diff] [blame] | 209 | /* |
| 210 | * Wait until the RF becomes available, afterwards we |
| 211 | * can safely write the new data into the register. |
| 212 | */ |
| 213 | if (WAIT_FOR_RF(rt2x00dev, ®)) { |
| 214 | reg = 0; |
| 215 | rt2x00_set_field16(®, PHY_CSR9_RF_VALUE, value); |
| 216 | rt2500usb_register_write_lock(rt2x00dev, PHY_CSR9, reg); |
| 217 | |
| 218 | reg = 0; |
| 219 | rt2x00_set_field16(®, PHY_CSR10_RF_VALUE, value >> 16); |
| 220 | rt2x00_set_field16(®, PHY_CSR10_RF_NUMBER_OF_BITS, 20); |
| 221 | rt2x00_set_field16(®, PHY_CSR10_RF_IF_SELECT, 0); |
| 222 | rt2x00_set_field16(®, PHY_CSR10_RF_BUSY, 1); |
| 223 | |
| 224 | rt2500usb_register_write_lock(rt2x00dev, PHY_CSR10, reg); |
| 225 | rt2x00_rf_write(rt2x00dev, word, value); |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 226 | } |
| 227 | |
Ivo van Doorn | 8ff48a8 | 2008-11-09 23:40:46 +0100 | [diff] [blame] | 228 | mutex_unlock(&rt2x00dev->csr_mutex); |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 229 | } |
| 230 | |
| 231 | #ifdef CONFIG_RT2X00_LIB_DEBUGFS |
Ivo van Doorn | 743b97c | 2008-10-29 19:41:03 +0100 | [diff] [blame] | 232 | static void _rt2500usb_register_read(struct rt2x00_dev *rt2x00dev, |
| 233 | const unsigned int offset, |
| 234 | u32 *value) |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 235 | { |
Ivo van Doorn | 743b97c | 2008-10-29 19:41:03 +0100 | [diff] [blame] | 236 | rt2500usb_register_read(rt2x00dev, offset, (u16 *)value); |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 237 | } |
| 238 | |
Ivo van Doorn | 743b97c | 2008-10-29 19:41:03 +0100 | [diff] [blame] | 239 | static void _rt2500usb_register_write(struct rt2x00_dev *rt2x00dev, |
| 240 | const unsigned int offset, |
| 241 | u32 value) |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 242 | { |
Ivo van Doorn | 743b97c | 2008-10-29 19:41:03 +0100 | [diff] [blame] | 243 | rt2500usb_register_write(rt2x00dev, offset, value); |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 244 | } |
| 245 | |
| 246 | static const struct rt2x00debug rt2500usb_rt2x00debug = { |
| 247 | .owner = THIS_MODULE, |
| 248 | .csr = { |
Ivo van Doorn | 743b97c | 2008-10-29 19:41:03 +0100 | [diff] [blame] | 249 | .read = _rt2500usb_register_read, |
| 250 | .write = _rt2500usb_register_write, |
| 251 | .flags = RT2X00DEBUGFS_OFFSET, |
| 252 | .word_base = CSR_REG_BASE, |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 253 | .word_size = sizeof(u16), |
| 254 | .word_count = CSR_REG_SIZE / sizeof(u16), |
| 255 | }, |
| 256 | .eeprom = { |
| 257 | .read = rt2x00_eeprom_read, |
| 258 | .write = rt2x00_eeprom_write, |
Ivo van Doorn | 743b97c | 2008-10-29 19:41:03 +0100 | [diff] [blame] | 259 | .word_base = EEPROM_BASE, |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 260 | .word_size = sizeof(u16), |
| 261 | .word_count = EEPROM_SIZE / sizeof(u16), |
| 262 | }, |
| 263 | .bbp = { |
| 264 | .read = rt2500usb_bbp_read, |
| 265 | .write = rt2500usb_bbp_write, |
Ivo van Doorn | 743b97c | 2008-10-29 19:41:03 +0100 | [diff] [blame] | 266 | .word_base = BBP_BASE, |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 267 | .word_size = sizeof(u8), |
| 268 | .word_count = BBP_SIZE / sizeof(u8), |
| 269 | }, |
| 270 | .rf = { |
| 271 | .read = rt2x00_rf_read, |
| 272 | .write = rt2500usb_rf_write, |
Ivo van Doorn | 743b97c | 2008-10-29 19:41:03 +0100 | [diff] [blame] | 273 | .word_base = RF_BASE, |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 274 | .word_size = sizeof(u32), |
| 275 | .word_count = RF_SIZE / sizeof(u32), |
| 276 | }, |
| 277 | }; |
| 278 | #endif /* CONFIG_RT2X00_LIB_DEBUGFS */ |
| 279 | |
Ivo van Doorn | 7396faf | 2008-12-20 10:55:57 +0100 | [diff] [blame] | 280 | #ifdef CONFIG_RT2X00_LIB_RFKILL |
| 281 | static int rt2500usb_rfkill_poll(struct rt2x00_dev *rt2x00dev) |
| 282 | { |
| 283 | u16 reg; |
| 284 | |
| 285 | rt2500usb_register_read(rt2x00dev, MAC_CSR19, ®); |
| 286 | return rt2x00_get_field32(reg, MAC_CSR19_BIT7); |
| 287 | } |
| 288 | #else |
| 289 | #define rt2500usb_rfkill_poll NULL |
| 290 | #endif /* CONFIG_RT2X00_LIB_RFKILL */ |
| 291 | |
Ivo van Doorn | 771fd56 | 2008-09-08 19:07:15 +0200 | [diff] [blame] | 292 | #ifdef CONFIG_RT2X00_LIB_LEDS |
Ivo van Doorn | a2e1d52 | 2008-03-31 15:53:44 +0200 | [diff] [blame] | 293 | static void rt2500usb_brightness_set(struct led_classdev *led_cdev, |
Ivo van Doorn | a9450b7 | 2008-02-03 15:53:40 +0100 | [diff] [blame] | 294 | enum led_brightness brightness) |
| 295 | { |
| 296 | struct rt2x00_led *led = |
| 297 | container_of(led_cdev, struct rt2x00_led, led_dev); |
| 298 | unsigned int enabled = brightness != LED_OFF; |
Ivo van Doorn | a2e1d52 | 2008-03-31 15:53:44 +0200 | [diff] [blame] | 299 | u16 reg; |
Ivo van Doorn | a9450b7 | 2008-02-03 15:53:40 +0100 | [diff] [blame] | 300 | |
Ivo van Doorn | a2e1d52 | 2008-03-31 15:53:44 +0200 | [diff] [blame] | 301 | rt2500usb_register_read(led->rt2x00dev, MAC_CSR20, ®); |
Ivo van Doorn | 47b10cd | 2008-02-17 17:35:28 +0100 | [diff] [blame] | 302 | |
Ivo van Doorn | a2e1d52 | 2008-03-31 15:53:44 +0200 | [diff] [blame] | 303 | if (led->type == LED_TYPE_RADIO || led->type == LED_TYPE_ASSOC) |
| 304 | rt2x00_set_field16(®, MAC_CSR20_LINK, enabled); |
| 305 | else if (led->type == LED_TYPE_ACTIVITY) |
| 306 | rt2x00_set_field16(®, MAC_CSR20_ACTIVITY, enabled); |
Ivo van Doorn | a9450b7 | 2008-02-03 15:53:40 +0100 | [diff] [blame] | 307 | |
Ivo van Doorn | a2e1d52 | 2008-03-31 15:53:44 +0200 | [diff] [blame] | 308 | rt2500usb_register_write(led->rt2x00dev, MAC_CSR20, reg); |
Ivo van Doorn | a9450b7 | 2008-02-03 15:53:40 +0100 | [diff] [blame] | 309 | } |
Ivo van Doorn | a2e1d52 | 2008-03-31 15:53:44 +0200 | [diff] [blame] | 310 | |
| 311 | static int rt2500usb_blink_set(struct led_classdev *led_cdev, |
| 312 | unsigned long *delay_on, |
| 313 | unsigned long *delay_off) |
| 314 | { |
| 315 | struct rt2x00_led *led = |
| 316 | container_of(led_cdev, struct rt2x00_led, led_dev); |
| 317 | u16 reg; |
| 318 | |
| 319 | rt2500usb_register_read(led->rt2x00dev, MAC_CSR21, ®); |
| 320 | rt2x00_set_field16(®, MAC_CSR21_ON_PERIOD, *delay_on); |
| 321 | rt2x00_set_field16(®, MAC_CSR21_OFF_PERIOD, *delay_off); |
| 322 | rt2500usb_register_write(led->rt2x00dev, MAC_CSR21, reg); |
| 323 | |
| 324 | return 0; |
| 325 | } |
Ivo van Doorn | 475433b | 2008-06-03 20:30:01 +0200 | [diff] [blame] | 326 | |
| 327 | static void rt2500usb_init_led(struct rt2x00_dev *rt2x00dev, |
| 328 | struct rt2x00_led *led, |
| 329 | enum led_type type) |
| 330 | { |
| 331 | led->rt2x00dev = rt2x00dev; |
| 332 | led->type = type; |
| 333 | led->led_dev.brightness_set = rt2500usb_brightness_set; |
| 334 | led->led_dev.blink_set = rt2500usb_blink_set; |
| 335 | led->flags = LED_INITIALIZED; |
| 336 | } |
Ivo van Doorn | 771fd56 | 2008-09-08 19:07:15 +0200 | [diff] [blame] | 337 | #endif /* CONFIG_RT2X00_LIB_LEDS */ |
Ivo van Doorn | a9450b7 | 2008-02-03 15:53:40 +0100 | [diff] [blame] | 338 | |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 339 | /* |
| 340 | * Configuration handlers. |
| 341 | */ |
Ivo van Doorn | dddfb47 | 2008-12-02 18:20:42 +0100 | [diff] [blame] | 342 | |
| 343 | /* |
| 344 | * rt2500usb does not differentiate between shared and pairwise |
| 345 | * keys, so we should use the same function for both key types. |
| 346 | */ |
| 347 | static int rt2500usb_config_key(struct rt2x00_dev *rt2x00dev, |
| 348 | struct rt2x00lib_crypto *crypto, |
| 349 | struct ieee80211_key_conf *key) |
| 350 | { |
| 351 | int timeout; |
| 352 | u32 mask; |
| 353 | u16 reg; |
| 354 | |
| 355 | if (crypto->cmd == SET_KEY) { |
| 356 | /* |
| 357 | * Pairwise key will always be entry 0, but this |
| 358 | * could collide with a shared key on the same |
| 359 | * position... |
| 360 | */ |
| 361 | mask = TXRX_CSR0_KEY_ID.bit_mask; |
| 362 | |
| 363 | rt2500usb_register_read(rt2x00dev, TXRX_CSR0, ®); |
| 364 | reg &= mask; |
| 365 | |
| 366 | if (reg && reg == mask) |
| 367 | return -ENOSPC; |
| 368 | |
| 369 | reg = rt2x00_get_field16(reg, TXRX_CSR0_KEY_ID); |
| 370 | |
| 371 | key->hw_key_idx += reg ? ffz(reg) : 0; |
| 372 | |
| 373 | /* |
| 374 | * The encryption key doesn't fit within the CSR cache, |
| 375 | * this means we should allocate it seperately and use |
| 376 | * rt2x00usb_vendor_request() to send the key to the hardware. |
| 377 | */ |
| 378 | reg = KEY_ENTRY(key->hw_key_idx); |
| 379 | timeout = REGISTER_TIMEOUT32(sizeof(crypto->key)); |
| 380 | rt2x00usb_vendor_request_large_buff(rt2x00dev, USB_MULTI_WRITE, |
| 381 | USB_VENDOR_REQUEST_OUT, reg, |
| 382 | crypto->key, |
| 383 | sizeof(crypto->key), |
| 384 | timeout); |
| 385 | |
| 386 | /* |
| 387 | * The driver does not support the IV/EIV generation |
Ivo van Doorn | f3d340c | 2008-12-21 23:19:17 +0100 | [diff] [blame] | 388 | * in hardware. However it demands the data to be provided |
| 389 | * both seperately as well as inside the frame. |
| 390 | * We already provided the CONFIG_CRYPTO_COPY_IV to rt2x00lib |
| 391 | * to ensure rt2x00lib will not strip the data from the |
| 392 | * frame after the copy, now we must tell mac80211 |
Ivo van Doorn | dddfb47 | 2008-12-02 18:20:42 +0100 | [diff] [blame] | 393 | * to generate the IV/EIV data. |
| 394 | */ |
| 395 | key->flags |= IEEE80211_KEY_FLAG_GENERATE_IV; |
| 396 | key->flags |= IEEE80211_KEY_FLAG_GENERATE_MMIC; |
| 397 | } |
| 398 | |
| 399 | /* |
| 400 | * TXRX_CSR0_KEY_ID contains only single-bit fields to indicate |
| 401 | * a particular key is valid. |
| 402 | */ |
| 403 | rt2500usb_register_read(rt2x00dev, TXRX_CSR0, ®); |
| 404 | rt2x00_set_field16(®, TXRX_CSR0_ALGORITHM, crypto->cipher); |
| 405 | rt2x00_set_field16(®, TXRX_CSR0_IV_OFFSET, IEEE80211_HEADER); |
| 406 | |
| 407 | mask = rt2x00_get_field16(reg, TXRX_CSR0_KEY_ID); |
| 408 | if (crypto->cmd == SET_KEY) |
| 409 | mask |= 1 << key->hw_key_idx; |
| 410 | else if (crypto->cmd == DISABLE_KEY) |
| 411 | mask &= ~(1 << key->hw_key_idx); |
| 412 | rt2x00_set_field16(®, TXRX_CSR0_KEY_ID, mask); |
| 413 | rt2500usb_register_write(rt2x00dev, TXRX_CSR0, reg); |
| 414 | |
| 415 | return 0; |
| 416 | } |
| 417 | |
Ivo van Doorn | 3a643d2 | 2008-03-25 14:13:18 +0100 | [diff] [blame] | 418 | static void rt2500usb_config_filter(struct rt2x00_dev *rt2x00dev, |
| 419 | const unsigned int filter_flags) |
| 420 | { |
| 421 | u16 reg; |
| 422 | |
| 423 | /* |
| 424 | * Start configuration steps. |
| 425 | * Note that the version error will always be dropped |
| 426 | * and broadcast frames will always be accepted since |
| 427 | * there is no filter for it at this time. |
| 428 | */ |
| 429 | rt2500usb_register_read(rt2x00dev, TXRX_CSR2, ®); |
| 430 | rt2x00_set_field16(®, TXRX_CSR2_DROP_CRC, |
| 431 | !(filter_flags & FIF_FCSFAIL)); |
| 432 | rt2x00_set_field16(®, TXRX_CSR2_DROP_PHYSICAL, |
| 433 | !(filter_flags & FIF_PLCPFAIL)); |
| 434 | rt2x00_set_field16(®, TXRX_CSR2_DROP_CONTROL, |
| 435 | !(filter_flags & FIF_CONTROL)); |
| 436 | rt2x00_set_field16(®, TXRX_CSR2_DROP_NOT_TO_ME, |
| 437 | !(filter_flags & FIF_PROMISC_IN_BSS)); |
| 438 | rt2x00_set_field16(®, TXRX_CSR2_DROP_TODS, |
Ivo van Doorn | e0b005f | 2008-03-31 15:24:53 +0200 | [diff] [blame] | 439 | !(filter_flags & FIF_PROMISC_IN_BSS) && |
| 440 | !rt2x00dev->intf_ap_count); |
Ivo van Doorn | 3a643d2 | 2008-03-25 14:13:18 +0100 | [diff] [blame] | 441 | rt2x00_set_field16(®, TXRX_CSR2_DROP_VERSION_ERROR, 1); |
| 442 | rt2x00_set_field16(®, TXRX_CSR2_DROP_MULTICAST, |
| 443 | !(filter_flags & FIF_ALLMULTI)); |
| 444 | rt2x00_set_field16(®, TXRX_CSR2_DROP_BROADCAST, 0); |
| 445 | rt2500usb_register_write(rt2x00dev, TXRX_CSR2, reg); |
| 446 | } |
| 447 | |
Ivo van Doorn | 6bb40dd | 2008-02-03 15:49:59 +0100 | [diff] [blame] | 448 | static void rt2500usb_config_intf(struct rt2x00_dev *rt2x00dev, |
| 449 | struct rt2x00_intf *intf, |
| 450 | struct rt2x00intf_conf *conf, |
| 451 | const unsigned int flags) |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 452 | { |
Ivo van Doorn | 6bb40dd | 2008-02-03 15:49:59 +0100 | [diff] [blame] | 453 | unsigned int bcn_preload; |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 454 | u16 reg; |
| 455 | |
Ivo van Doorn | 6bb40dd | 2008-02-03 15:49:59 +0100 | [diff] [blame] | 456 | if (flags & CONFIG_UPDATE_TYPE) { |
Ivo van Doorn | 6bb40dd | 2008-02-03 15:49:59 +0100 | [diff] [blame] | 457 | /* |
| 458 | * Enable beacon config |
| 459 | */ |
Ivo van Doorn | bad1363 | 2008-11-09 20:47:00 +0100 | [diff] [blame] | 460 | bcn_preload = PREAMBLE + GET_DURATION(IEEE80211_HEADER, 20); |
Ivo van Doorn | 6bb40dd | 2008-02-03 15:49:59 +0100 | [diff] [blame] | 461 | rt2500usb_register_read(rt2x00dev, TXRX_CSR20, ®); |
| 462 | rt2x00_set_field16(®, TXRX_CSR20_OFFSET, bcn_preload >> 6); |
| 463 | rt2x00_set_field16(®, TXRX_CSR20_BCN_EXPECT_WINDOW, |
Johannes Berg | 05c914f | 2008-09-11 00:01:58 +0200 | [diff] [blame] | 464 | 2 * (conf->type != NL80211_IFTYPE_STATION)); |
Ivo van Doorn | 6bb40dd | 2008-02-03 15:49:59 +0100 | [diff] [blame] | 465 | rt2500usb_register_write(rt2x00dev, TXRX_CSR20, reg); |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 466 | |
Ivo van Doorn | 6bb40dd | 2008-02-03 15:49:59 +0100 | [diff] [blame] | 467 | /* |
| 468 | * Enable synchronisation. |
| 469 | */ |
| 470 | rt2500usb_register_read(rt2x00dev, TXRX_CSR18, ®); |
| 471 | rt2x00_set_field16(®, TXRX_CSR18_OFFSET, 0); |
| 472 | rt2500usb_register_write(rt2x00dev, TXRX_CSR18, reg); |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 473 | |
Ivo van Doorn | 6bb40dd | 2008-02-03 15:49:59 +0100 | [diff] [blame] | 474 | rt2500usb_register_read(rt2x00dev, TXRX_CSR19, ®); |
Ivo van Doorn | fd3c91c | 2008-03-09 22:47:43 +0100 | [diff] [blame] | 475 | rt2x00_set_field16(®, TXRX_CSR19_TSF_COUNT, 1); |
Ivo van Doorn | 6bb40dd | 2008-02-03 15:49:59 +0100 | [diff] [blame] | 476 | rt2x00_set_field16(®, TXRX_CSR19_TSF_SYNC, conf->sync); |
Ivo van Doorn | fd3c91c | 2008-03-09 22:47:43 +0100 | [diff] [blame] | 477 | rt2x00_set_field16(®, TXRX_CSR19_TBCN, 1); |
Ivo van Doorn | 6bb40dd | 2008-02-03 15:49:59 +0100 | [diff] [blame] | 478 | rt2500usb_register_write(rt2x00dev, TXRX_CSR19, reg); |
Ivo van Doorn | 5c58ee5 | 2007-10-06 13:34:52 +0200 | [diff] [blame] | 479 | } |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 480 | |
Ivo van Doorn | 6bb40dd | 2008-02-03 15:49:59 +0100 | [diff] [blame] | 481 | if (flags & CONFIG_UPDATE_MAC) |
| 482 | rt2500usb_register_multiwrite(rt2x00dev, MAC_CSR2, conf->mac, |
| 483 | (3 * sizeof(__le16))); |
| 484 | |
| 485 | if (flags & CONFIG_UPDATE_BSSID) |
| 486 | rt2500usb_register_multiwrite(rt2x00dev, MAC_CSR5, conf->bssid, |
| 487 | (3 * sizeof(__le16))); |
| 488 | } |
| 489 | |
Ivo van Doorn | 3a643d2 | 2008-03-25 14:13:18 +0100 | [diff] [blame] | 490 | static void rt2500usb_config_erp(struct rt2x00_dev *rt2x00dev, |
| 491 | struct rt2x00lib_erp *erp) |
Ivo van Doorn | 6bb40dd | 2008-02-03 15:49:59 +0100 | [diff] [blame] | 492 | { |
| 493 | u16 reg; |
| 494 | |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 495 | rt2500usb_register_read(rt2x00dev, TXRX_CSR1, ®); |
Ivo van Doorn | 7281037 | 2008-03-09 22:46:18 +0100 | [diff] [blame] | 496 | rt2x00_set_field16(®, TXRX_CSR1_ACK_TIMEOUT, erp->ack_timeout); |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 497 | rt2500usb_register_write(rt2x00dev, TXRX_CSR1, reg); |
| 498 | |
| 499 | rt2500usb_register_read(rt2x00dev, TXRX_CSR10, ®); |
Ivo van Doorn | 4f5af6e | 2007-10-06 14:16:30 +0200 | [diff] [blame] | 500 | rt2x00_set_field16(®, TXRX_CSR10_AUTORESPOND_PREAMBLE, |
Ivo van Doorn | 7281037 | 2008-03-09 22:46:18 +0100 | [diff] [blame] | 501 | !!erp->short_preamble); |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 502 | rt2500usb_register_write(rt2x00dev, TXRX_CSR10, reg); |
Ivo van Doorn | e4ea1c4 | 2008-10-29 17:17:57 +0100 | [diff] [blame] | 503 | |
| 504 | rt2500usb_register_write(rt2x00dev, TXRX_CSR11, erp->basic_rates); |
| 505 | |
Ivo van Doorn | 8a566af | 2009-05-21 19:16:46 +0200 | [diff] [blame] | 506 | rt2500usb_register_read(rt2x00dev, TXRX_CSR18, ®); |
| 507 | rt2x00_set_field16(®, TXRX_CSR18_INTERVAL, erp->beacon_int * 4); |
| 508 | rt2500usb_register_write(rt2x00dev, TXRX_CSR18, reg); |
| 509 | |
Ivo van Doorn | e4ea1c4 | 2008-10-29 17:17:57 +0100 | [diff] [blame] | 510 | rt2500usb_register_write(rt2x00dev, MAC_CSR10, erp->slot_time); |
| 511 | rt2500usb_register_write(rt2x00dev, MAC_CSR11, erp->sifs); |
| 512 | rt2500usb_register_write(rt2x00dev, MAC_CSR12, erp->eifs); |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 513 | } |
| 514 | |
Ivo van Doorn | e4ea1c4 | 2008-10-29 17:17:57 +0100 | [diff] [blame] | 515 | static void rt2500usb_config_ant(struct rt2x00_dev *rt2x00dev, |
| 516 | struct antenna_setup *ant) |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 517 | { |
| 518 | u8 r2; |
| 519 | u8 r14; |
| 520 | u16 csr5; |
| 521 | u16 csr6; |
| 522 | |
Ivo van Doorn | a4fe07d | 2008-03-09 22:45:21 +0100 | [diff] [blame] | 523 | /* |
| 524 | * We should never come here because rt2x00lib is supposed |
| 525 | * to catch this and send us the correct antenna explicitely. |
| 526 | */ |
| 527 | BUG_ON(ant->rx == ANTENNA_SW_DIVERSITY || |
| 528 | ant->tx == ANTENNA_SW_DIVERSITY); |
| 529 | |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 530 | rt2500usb_bbp_read(rt2x00dev, 2, &r2); |
| 531 | rt2500usb_bbp_read(rt2x00dev, 14, &r14); |
| 532 | rt2500usb_register_read(rt2x00dev, PHY_CSR5, &csr5); |
| 533 | rt2500usb_register_read(rt2x00dev, PHY_CSR6, &csr6); |
| 534 | |
| 535 | /* |
| 536 | * Configure the TX antenna. |
| 537 | */ |
Ivo van Doorn | addc81b | 2007-10-13 16:26:23 +0200 | [diff] [blame] | 538 | switch (ant->tx) { |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 539 | case ANTENNA_HW_DIVERSITY: |
| 540 | rt2x00_set_field8(&r2, BBP_R2_TX_ANTENNA, 1); |
| 541 | rt2x00_set_field16(&csr5, PHY_CSR5_CCK, 1); |
| 542 | rt2x00_set_field16(&csr6, PHY_CSR6_OFDM, 1); |
| 543 | break; |
| 544 | case ANTENNA_A: |
| 545 | rt2x00_set_field8(&r2, BBP_R2_TX_ANTENNA, 0); |
| 546 | rt2x00_set_field16(&csr5, PHY_CSR5_CCK, 0); |
| 547 | rt2x00_set_field16(&csr6, PHY_CSR6_OFDM, 0); |
| 548 | break; |
| 549 | case ANTENNA_B: |
Ivo van Doorn | a4fe07d | 2008-03-09 22:45:21 +0100 | [diff] [blame] | 550 | default: |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 551 | rt2x00_set_field8(&r2, BBP_R2_TX_ANTENNA, 2); |
| 552 | rt2x00_set_field16(&csr5, PHY_CSR5_CCK, 2); |
| 553 | rt2x00_set_field16(&csr6, PHY_CSR6_OFDM, 2); |
| 554 | break; |
| 555 | } |
| 556 | |
| 557 | /* |
| 558 | * Configure the RX antenna. |
| 559 | */ |
Ivo van Doorn | addc81b | 2007-10-13 16:26:23 +0200 | [diff] [blame] | 560 | switch (ant->rx) { |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 561 | case ANTENNA_HW_DIVERSITY: |
| 562 | rt2x00_set_field8(&r14, BBP_R14_RX_ANTENNA, 1); |
| 563 | break; |
| 564 | case ANTENNA_A: |
| 565 | rt2x00_set_field8(&r14, BBP_R14_RX_ANTENNA, 0); |
| 566 | break; |
| 567 | case ANTENNA_B: |
Ivo van Doorn | a4fe07d | 2008-03-09 22:45:21 +0100 | [diff] [blame] | 568 | default: |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 569 | rt2x00_set_field8(&r14, BBP_R14_RX_ANTENNA, 2); |
| 570 | break; |
| 571 | } |
| 572 | |
| 573 | /* |
| 574 | * RT2525E and RT5222 need to flip TX I/Q |
| 575 | */ |
| 576 | if (rt2x00_rf(&rt2x00dev->chip, RF2525E) || |
| 577 | rt2x00_rf(&rt2x00dev->chip, RF5222)) { |
| 578 | rt2x00_set_field8(&r2, BBP_R2_TX_IQ_FLIP, 1); |
| 579 | rt2x00_set_field16(&csr5, PHY_CSR5_CCK_FLIP, 1); |
| 580 | rt2x00_set_field16(&csr6, PHY_CSR6_OFDM_FLIP, 1); |
| 581 | |
| 582 | /* |
| 583 | * RT2525E does not need RX I/Q Flip. |
| 584 | */ |
| 585 | if (rt2x00_rf(&rt2x00dev->chip, RF2525E)) |
| 586 | rt2x00_set_field8(&r14, BBP_R14_RX_IQ_FLIP, 0); |
| 587 | } else { |
| 588 | rt2x00_set_field16(&csr5, PHY_CSR5_CCK_FLIP, 0); |
| 589 | rt2x00_set_field16(&csr6, PHY_CSR6_OFDM_FLIP, 0); |
| 590 | } |
| 591 | |
| 592 | rt2500usb_bbp_write(rt2x00dev, 2, r2); |
| 593 | rt2500usb_bbp_write(rt2x00dev, 14, r14); |
| 594 | rt2500usb_register_write(rt2x00dev, PHY_CSR5, csr5); |
| 595 | rt2500usb_register_write(rt2x00dev, PHY_CSR6, csr6); |
| 596 | } |
| 597 | |
Ivo van Doorn | e4ea1c4 | 2008-10-29 17:17:57 +0100 | [diff] [blame] | 598 | static void rt2500usb_config_channel(struct rt2x00_dev *rt2x00dev, |
| 599 | struct rf_channel *rf, const int txpower) |
| 600 | { |
| 601 | /* |
| 602 | * Set TXpower. |
| 603 | */ |
| 604 | rt2x00_set_field32(&rf->rf3, RF3_TXPOWER, TXPOWER_TO_DEV(txpower)); |
| 605 | |
| 606 | /* |
| 607 | * For RT2525E we should first set the channel to half band higher. |
| 608 | */ |
| 609 | if (rt2x00_rf(&rt2x00dev->chip, RF2525E)) { |
| 610 | static const u32 vals[] = { |
| 611 | 0x000008aa, 0x000008ae, 0x000008ae, 0x000008b2, |
| 612 | 0x000008b2, 0x000008b6, 0x000008b6, 0x000008ba, |
| 613 | 0x000008ba, 0x000008be, 0x000008b7, 0x00000902, |
| 614 | 0x00000902, 0x00000906 |
| 615 | }; |
| 616 | |
| 617 | rt2500usb_rf_write(rt2x00dev, 2, vals[rf->channel - 1]); |
| 618 | if (rf->rf4) |
| 619 | rt2500usb_rf_write(rt2x00dev, 4, rf->rf4); |
| 620 | } |
| 621 | |
| 622 | rt2500usb_rf_write(rt2x00dev, 1, rf->rf1); |
| 623 | rt2500usb_rf_write(rt2x00dev, 2, rf->rf2); |
| 624 | rt2500usb_rf_write(rt2x00dev, 3, rf->rf3); |
| 625 | if (rf->rf4) |
| 626 | rt2500usb_rf_write(rt2x00dev, 4, rf->rf4); |
| 627 | } |
| 628 | |
| 629 | static void rt2500usb_config_txpower(struct rt2x00_dev *rt2x00dev, |
| 630 | const int txpower) |
| 631 | { |
| 632 | u32 rf3; |
| 633 | |
| 634 | rt2x00_rf_read(rt2x00dev, 3, &rf3); |
| 635 | rt2x00_set_field32(&rf3, RF3_TXPOWER, TXPOWER_TO_DEV(txpower)); |
| 636 | rt2500usb_rf_write(rt2x00dev, 3, rf3); |
| 637 | } |
| 638 | |
Ivo van Doorn | 7d7f19c | 2008-12-20 10:52:42 +0100 | [diff] [blame] | 639 | static void rt2500usb_config_ps(struct rt2x00_dev *rt2x00dev, |
| 640 | struct rt2x00lib_conf *libconf) |
| 641 | { |
| 642 | enum dev_state state = |
| 643 | (libconf->conf->flags & IEEE80211_CONF_PS) ? |
| 644 | STATE_SLEEP : STATE_AWAKE; |
| 645 | u16 reg; |
| 646 | |
| 647 | if (state == STATE_SLEEP) { |
| 648 | rt2500usb_register_read(rt2x00dev, MAC_CSR18, ®); |
| 649 | rt2x00_set_field16(®, MAC_CSR18_DELAY_AFTER_BEACON, |
Ivo van Doorn | 6b347bf | 2009-05-23 21:09:28 +0200 | [diff] [blame] | 650 | rt2x00dev->beacon_int - 20); |
Ivo van Doorn | 7d7f19c | 2008-12-20 10:52:42 +0100 | [diff] [blame] | 651 | rt2x00_set_field16(®, MAC_CSR18_BEACONS_BEFORE_WAKEUP, |
| 652 | libconf->conf->listen_interval - 1); |
| 653 | |
| 654 | /* We must first disable autowake before it can be enabled */ |
| 655 | rt2x00_set_field16(®, MAC_CSR18_AUTO_WAKE, 0); |
| 656 | rt2500usb_register_write(rt2x00dev, MAC_CSR18, reg); |
| 657 | |
| 658 | rt2x00_set_field16(®, MAC_CSR18_AUTO_WAKE, 1); |
| 659 | rt2500usb_register_write(rt2x00dev, MAC_CSR18, reg); |
| 660 | } |
| 661 | |
| 662 | rt2x00dev->ops->lib->set_device_state(rt2x00dev, state); |
| 663 | } |
| 664 | |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 665 | static void rt2500usb_config(struct rt2x00_dev *rt2x00dev, |
Ivo van Doorn | 6bb40dd | 2008-02-03 15:49:59 +0100 | [diff] [blame] | 666 | struct rt2x00lib_conf *libconf, |
| 667 | const unsigned int flags) |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 668 | { |
Ivo van Doorn | e4ea1c4 | 2008-10-29 17:17:57 +0100 | [diff] [blame] | 669 | if (flags & IEEE80211_CONF_CHANGE_CHANNEL) |
Ivo van Doorn | 5c58ee5 | 2007-10-06 13:34:52 +0200 | [diff] [blame] | 670 | rt2500usb_config_channel(rt2x00dev, &libconf->rf, |
| 671 | libconf->conf->power_level); |
Ivo van Doorn | e4ea1c4 | 2008-10-29 17:17:57 +0100 | [diff] [blame] | 672 | if ((flags & IEEE80211_CONF_CHANGE_POWER) && |
| 673 | !(flags & IEEE80211_CONF_CHANGE_CHANNEL)) |
Ivo van Doorn | 5c58ee5 | 2007-10-06 13:34:52 +0200 | [diff] [blame] | 674 | rt2500usb_config_txpower(rt2x00dev, |
| 675 | libconf->conf->power_level); |
Ivo van Doorn | 7d7f19c | 2008-12-20 10:52:42 +0100 | [diff] [blame] | 676 | if (flags & IEEE80211_CONF_CHANGE_PS) |
| 677 | rt2500usb_config_ps(rt2x00dev, libconf); |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 678 | } |
| 679 | |
| 680 | /* |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 681 | * Link tuning |
| 682 | */ |
Ivo van Doorn | ebcf26d | 2007-10-13 16:26:12 +0200 | [diff] [blame] | 683 | static void rt2500usb_link_stats(struct rt2x00_dev *rt2x00dev, |
| 684 | struct link_qual *qual) |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 685 | { |
| 686 | u16 reg; |
| 687 | |
| 688 | /* |
| 689 | * Update FCS error count from register. |
| 690 | */ |
| 691 | rt2500usb_register_read(rt2x00dev, STA_CSR0, ®); |
Ivo van Doorn | ebcf26d | 2007-10-13 16:26:12 +0200 | [diff] [blame] | 692 | qual->rx_failed = rt2x00_get_field16(reg, STA_CSR0_FCS_ERROR); |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 693 | |
| 694 | /* |
| 695 | * Update False CCA count from register. |
| 696 | */ |
| 697 | rt2500usb_register_read(rt2x00dev, STA_CSR3, ®); |
Ivo van Doorn | ebcf26d | 2007-10-13 16:26:12 +0200 | [diff] [blame] | 698 | qual->false_cca = rt2x00_get_field16(reg, STA_CSR3_FALSE_CCA_ERROR); |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 699 | } |
| 700 | |
Ivo van Doorn | 5352ff6 | 2008-12-20 10:54:54 +0100 | [diff] [blame] | 701 | static void rt2500usb_reset_tuner(struct rt2x00_dev *rt2x00dev, |
| 702 | struct link_qual *qual) |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 703 | { |
| 704 | u16 eeprom; |
| 705 | u16 value; |
| 706 | |
| 707 | rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_R24, &eeprom); |
| 708 | value = rt2x00_get_field16(eeprom, EEPROM_BBPTUNE_R24_LOW); |
| 709 | rt2500usb_bbp_write(rt2x00dev, 24, value); |
| 710 | |
| 711 | rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_R25, &eeprom); |
| 712 | value = rt2x00_get_field16(eeprom, EEPROM_BBPTUNE_R25_LOW); |
| 713 | rt2500usb_bbp_write(rt2x00dev, 25, value); |
| 714 | |
| 715 | rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_R61, &eeprom); |
| 716 | value = rt2x00_get_field16(eeprom, EEPROM_BBPTUNE_R61_LOW); |
| 717 | rt2500usb_bbp_write(rt2x00dev, 61, value); |
| 718 | |
| 719 | rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_VGC, &eeprom); |
| 720 | value = rt2x00_get_field16(eeprom, EEPROM_BBPTUNE_VGCUPPER); |
| 721 | rt2500usb_bbp_write(rt2x00dev, 17, value); |
| 722 | |
Ivo van Doorn | 5352ff6 | 2008-12-20 10:54:54 +0100 | [diff] [blame] | 723 | qual->vgc_level = value; |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 724 | } |
| 725 | |
Ivo van Doorn | d06193f | 2008-08-03 23:36:01 +0200 | [diff] [blame] | 726 | /* |
| 727 | * NOTE: This function is directly ported from legacy driver, but |
| 728 | * despite it being declared it was never called. Although link tuning |
| 729 | * sounds like a good idea, and usually works well for the other drivers, |
| 730 | * it does _not_ work with rt2500usb. Enabling this function will result |
| 731 | * in TX capabilities only until association kicks in. Immediately |
| 732 | * after the successful association all TX frames will be kept in the |
| 733 | * hardware queue and never transmitted. |
| 734 | */ |
| 735 | #if 0 |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 736 | static void rt2500usb_link_tuner(struct rt2x00_dev *rt2x00dev) |
| 737 | { |
| 738 | int rssi = rt2x00_get_link_rssi(&rt2x00dev->link); |
| 739 | u16 bbp_thresh; |
| 740 | u16 vgc_bound; |
| 741 | u16 sens; |
| 742 | u16 r24; |
| 743 | u16 r25; |
| 744 | u16 r61; |
| 745 | u16 r17_sens; |
| 746 | u8 r17; |
| 747 | u8 up_bound; |
| 748 | u8 low_bound; |
| 749 | |
| 750 | /* |
Ivo van Doorn | 6bb40dd | 2008-02-03 15:49:59 +0100 | [diff] [blame] | 751 | * Read current r17 value, as well as the sensitivity values |
| 752 | * for the r17 register. |
| 753 | */ |
| 754 | rt2500usb_bbp_read(rt2x00dev, 17, &r17); |
| 755 | rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_R17, &r17_sens); |
| 756 | |
| 757 | rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_VGC, &vgc_bound); |
| 758 | up_bound = rt2x00_get_field16(vgc_bound, EEPROM_BBPTUNE_VGCUPPER); |
| 759 | low_bound = rt2x00_get_field16(vgc_bound, EEPROM_BBPTUNE_VGCLOWER); |
| 760 | |
| 761 | /* |
| 762 | * If we are not associated, we should go straight to the |
| 763 | * dynamic CCA tuning. |
| 764 | */ |
| 765 | if (!rt2x00dev->intf_associated) |
| 766 | goto dynamic_cca_tune; |
| 767 | |
| 768 | /* |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 769 | * Determine the BBP tuning threshold and correctly |
| 770 | * set BBP 24, 25 and 61. |
| 771 | */ |
| 772 | rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE, &bbp_thresh); |
| 773 | bbp_thresh = rt2x00_get_field16(bbp_thresh, EEPROM_BBPTUNE_THRESHOLD); |
| 774 | |
| 775 | rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_R24, &r24); |
| 776 | rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_R25, &r25); |
| 777 | rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_R61, &r61); |
| 778 | |
| 779 | if ((rssi + bbp_thresh) > 0) { |
| 780 | r24 = rt2x00_get_field16(r24, EEPROM_BBPTUNE_R24_HIGH); |
| 781 | r25 = rt2x00_get_field16(r25, EEPROM_BBPTUNE_R25_HIGH); |
| 782 | r61 = rt2x00_get_field16(r61, EEPROM_BBPTUNE_R61_HIGH); |
| 783 | } else { |
| 784 | r24 = rt2x00_get_field16(r24, EEPROM_BBPTUNE_R24_LOW); |
| 785 | r25 = rt2x00_get_field16(r25, EEPROM_BBPTUNE_R25_LOW); |
| 786 | r61 = rt2x00_get_field16(r61, EEPROM_BBPTUNE_R61_LOW); |
| 787 | } |
| 788 | |
| 789 | rt2500usb_bbp_write(rt2x00dev, 24, r24); |
| 790 | rt2500usb_bbp_write(rt2x00dev, 25, r25); |
| 791 | rt2500usb_bbp_write(rt2x00dev, 61, r61); |
| 792 | |
| 793 | /* |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 794 | * A too low RSSI will cause too much false CCA which will |
| 795 | * then corrupt the R17 tuning. To remidy this the tuning should |
| 796 | * be stopped (While making sure the R17 value will not exceed limits) |
| 797 | */ |
| 798 | if (rssi >= -40) { |
| 799 | if (r17 != 0x60) |
| 800 | rt2500usb_bbp_write(rt2x00dev, 17, 0x60); |
| 801 | return; |
| 802 | } |
| 803 | |
| 804 | /* |
| 805 | * Special big-R17 for short distance |
| 806 | */ |
| 807 | if (rssi >= -58) { |
| 808 | sens = rt2x00_get_field16(r17_sens, EEPROM_BBPTUNE_R17_LOW); |
| 809 | if (r17 != sens) |
| 810 | rt2500usb_bbp_write(rt2x00dev, 17, sens); |
| 811 | return; |
| 812 | } |
| 813 | |
| 814 | /* |
| 815 | * Special mid-R17 for middle distance |
| 816 | */ |
| 817 | if (rssi >= -74) { |
| 818 | sens = rt2x00_get_field16(r17_sens, EEPROM_BBPTUNE_R17_HIGH); |
| 819 | if (r17 != sens) |
| 820 | rt2500usb_bbp_write(rt2x00dev, 17, sens); |
| 821 | return; |
| 822 | } |
| 823 | |
| 824 | /* |
| 825 | * Leave short or middle distance condition, restore r17 |
| 826 | * to the dynamic tuning range. |
| 827 | */ |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 828 | low_bound = 0x32; |
Ivo van Doorn | 6bb40dd | 2008-02-03 15:49:59 +0100 | [diff] [blame] | 829 | if (rssi < -77) |
| 830 | up_bound -= (-77 - rssi); |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 831 | |
| 832 | if (up_bound < low_bound) |
| 833 | up_bound = low_bound; |
| 834 | |
| 835 | if (r17 > up_bound) { |
| 836 | rt2500usb_bbp_write(rt2x00dev, 17, up_bound); |
| 837 | rt2x00dev->link.vgc_level = up_bound; |
Ivo van Doorn | 6bb40dd | 2008-02-03 15:49:59 +0100 | [diff] [blame] | 838 | return; |
| 839 | } |
| 840 | |
| 841 | dynamic_cca_tune: |
| 842 | |
| 843 | /* |
| 844 | * R17 is inside the dynamic tuning range, |
| 845 | * start tuning the link based on the false cca counter. |
| 846 | */ |
| 847 | if (rt2x00dev->link.qual.false_cca > 512 && r17 < up_bound) { |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 848 | rt2500usb_bbp_write(rt2x00dev, 17, ++r17); |
| 849 | rt2x00dev->link.vgc_level = r17; |
Ivo van Doorn | ebcf26d | 2007-10-13 16:26:12 +0200 | [diff] [blame] | 850 | } else if (rt2x00dev->link.qual.false_cca < 100 && r17 > low_bound) { |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 851 | rt2500usb_bbp_write(rt2x00dev, 17, --r17); |
| 852 | rt2x00dev->link.vgc_level = r17; |
| 853 | } |
| 854 | } |
Ivo van Doorn | d06193f | 2008-08-03 23:36:01 +0200 | [diff] [blame] | 855 | #else |
| 856 | #define rt2500usb_link_tuner NULL |
| 857 | #endif |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 858 | |
| 859 | /* |
| 860 | * Initialization functions. |
| 861 | */ |
| 862 | static int rt2500usb_init_registers(struct rt2x00_dev *rt2x00dev) |
| 863 | { |
| 864 | u16 reg; |
| 865 | |
| 866 | rt2x00usb_vendor_request_sw(rt2x00dev, USB_DEVICE_MODE, 0x0001, |
| 867 | USB_MODE_TEST, REGISTER_TIMEOUT); |
| 868 | rt2x00usb_vendor_request_sw(rt2x00dev, USB_SINGLE_WRITE, 0x0308, |
| 869 | 0x00f0, REGISTER_TIMEOUT); |
| 870 | |
| 871 | rt2500usb_register_read(rt2x00dev, TXRX_CSR2, ®); |
| 872 | rt2x00_set_field16(®, TXRX_CSR2_DISABLE_RX, 1); |
| 873 | rt2500usb_register_write(rt2x00dev, TXRX_CSR2, reg); |
| 874 | |
| 875 | rt2500usb_register_write(rt2x00dev, MAC_CSR13, 0x1111); |
| 876 | rt2500usb_register_write(rt2x00dev, MAC_CSR14, 0x1e11); |
| 877 | |
| 878 | rt2500usb_register_read(rt2x00dev, MAC_CSR1, ®); |
| 879 | rt2x00_set_field16(®, MAC_CSR1_SOFT_RESET, 1); |
| 880 | rt2x00_set_field16(®, MAC_CSR1_BBP_RESET, 1); |
| 881 | rt2x00_set_field16(®, MAC_CSR1_HOST_READY, 0); |
| 882 | rt2500usb_register_write(rt2x00dev, MAC_CSR1, reg); |
| 883 | |
| 884 | rt2500usb_register_read(rt2x00dev, MAC_CSR1, ®); |
| 885 | rt2x00_set_field16(®, MAC_CSR1_SOFT_RESET, 0); |
| 886 | rt2x00_set_field16(®, MAC_CSR1_BBP_RESET, 0); |
| 887 | rt2x00_set_field16(®, MAC_CSR1_HOST_READY, 0); |
| 888 | rt2500usb_register_write(rt2x00dev, MAC_CSR1, reg); |
| 889 | |
| 890 | rt2500usb_register_read(rt2x00dev, TXRX_CSR5, ®); |
| 891 | rt2x00_set_field16(®, TXRX_CSR5_BBP_ID0, 13); |
| 892 | rt2x00_set_field16(®, TXRX_CSR5_BBP_ID0_VALID, 1); |
| 893 | rt2x00_set_field16(®, TXRX_CSR5_BBP_ID1, 12); |
| 894 | rt2x00_set_field16(®, TXRX_CSR5_BBP_ID1_VALID, 1); |
| 895 | rt2500usb_register_write(rt2x00dev, TXRX_CSR5, reg); |
| 896 | |
| 897 | rt2500usb_register_read(rt2x00dev, TXRX_CSR6, ®); |
| 898 | rt2x00_set_field16(®, TXRX_CSR6_BBP_ID0, 10); |
| 899 | rt2x00_set_field16(®, TXRX_CSR6_BBP_ID0_VALID, 1); |
| 900 | rt2x00_set_field16(®, TXRX_CSR6_BBP_ID1, 11); |
| 901 | rt2x00_set_field16(®, TXRX_CSR6_BBP_ID1_VALID, 1); |
| 902 | rt2500usb_register_write(rt2x00dev, TXRX_CSR6, reg); |
| 903 | |
| 904 | rt2500usb_register_read(rt2x00dev, TXRX_CSR7, ®); |
| 905 | rt2x00_set_field16(®, TXRX_CSR7_BBP_ID0, 7); |
| 906 | rt2x00_set_field16(®, TXRX_CSR7_BBP_ID0_VALID, 1); |
| 907 | rt2x00_set_field16(®, TXRX_CSR7_BBP_ID1, 6); |
| 908 | rt2x00_set_field16(®, TXRX_CSR7_BBP_ID1_VALID, 1); |
| 909 | rt2500usb_register_write(rt2x00dev, TXRX_CSR7, reg); |
| 910 | |
| 911 | rt2500usb_register_read(rt2x00dev, TXRX_CSR8, ®); |
| 912 | rt2x00_set_field16(®, TXRX_CSR8_BBP_ID0, 5); |
| 913 | rt2x00_set_field16(®, TXRX_CSR8_BBP_ID0_VALID, 1); |
| 914 | rt2x00_set_field16(®, TXRX_CSR8_BBP_ID1, 0); |
| 915 | rt2x00_set_field16(®, TXRX_CSR8_BBP_ID1_VALID, 0); |
| 916 | rt2500usb_register_write(rt2x00dev, TXRX_CSR8, reg); |
| 917 | |
Ivo van Doorn | 1f90916 | 2008-07-08 13:45:20 +0200 | [diff] [blame] | 918 | rt2500usb_register_read(rt2x00dev, TXRX_CSR19, ®); |
| 919 | rt2x00_set_field16(®, TXRX_CSR19_TSF_COUNT, 0); |
| 920 | rt2x00_set_field16(®, TXRX_CSR19_TSF_SYNC, 0); |
| 921 | rt2x00_set_field16(®, TXRX_CSR19_TBCN, 0); |
| 922 | rt2x00_set_field16(®, TXRX_CSR19_BEACON_GEN, 0); |
| 923 | rt2500usb_register_write(rt2x00dev, TXRX_CSR19, reg); |
| 924 | |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 925 | rt2500usb_register_write(rt2x00dev, TXRX_CSR21, 0xe78f); |
| 926 | rt2500usb_register_write(rt2x00dev, MAC_CSR9, 0xff1d); |
| 927 | |
| 928 | if (rt2x00dev->ops->lib->set_device_state(rt2x00dev, STATE_AWAKE)) |
| 929 | return -EBUSY; |
| 930 | |
| 931 | rt2500usb_register_read(rt2x00dev, MAC_CSR1, ®); |
| 932 | rt2x00_set_field16(®, MAC_CSR1_SOFT_RESET, 0); |
| 933 | rt2x00_set_field16(®, MAC_CSR1_BBP_RESET, 0); |
| 934 | rt2x00_set_field16(®, MAC_CSR1_HOST_READY, 1); |
| 935 | rt2500usb_register_write(rt2x00dev, MAC_CSR1, reg); |
| 936 | |
Ivo van Doorn | 755a957 | 2007-11-12 15:02:22 +0100 | [diff] [blame] | 937 | if (rt2x00_rev(&rt2x00dev->chip) >= RT2570_VERSION_C) { |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 938 | rt2500usb_register_read(rt2x00dev, PHY_CSR2, ®); |
Ivo van Doorn | ddc827f | 2007-10-13 16:26:42 +0200 | [diff] [blame] | 939 | rt2x00_set_field16(®, PHY_CSR2_LNA, 0); |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 940 | } else { |
Ivo van Doorn | ddc827f | 2007-10-13 16:26:42 +0200 | [diff] [blame] | 941 | reg = 0; |
| 942 | rt2x00_set_field16(®, PHY_CSR2_LNA, 1); |
| 943 | rt2x00_set_field16(®, PHY_CSR2_LNA_MODE, 3); |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 944 | } |
| 945 | rt2500usb_register_write(rt2x00dev, PHY_CSR2, reg); |
| 946 | |
| 947 | rt2500usb_register_write(rt2x00dev, MAC_CSR11, 0x0002); |
| 948 | rt2500usb_register_write(rt2x00dev, MAC_CSR22, 0x0053); |
| 949 | rt2500usb_register_write(rt2x00dev, MAC_CSR15, 0x01ee); |
| 950 | rt2500usb_register_write(rt2x00dev, MAC_CSR16, 0x0000); |
| 951 | |
| 952 | rt2500usb_register_read(rt2x00dev, MAC_CSR8, ®); |
| 953 | rt2x00_set_field16(®, MAC_CSR8_MAX_FRAME_UNIT, |
| 954 | rt2x00dev->rx->data_size); |
| 955 | rt2500usb_register_write(rt2x00dev, MAC_CSR8, reg); |
| 956 | |
| 957 | rt2500usb_register_read(rt2x00dev, TXRX_CSR0, ®); |
| 958 | rt2x00_set_field16(®, TXRX_CSR0_IV_OFFSET, IEEE80211_HEADER); |
Ivo van Doorn | dddfb47 | 2008-12-02 18:20:42 +0100 | [diff] [blame] | 959 | rt2x00_set_field16(®, TXRX_CSR0_KEY_ID, 0); |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 960 | rt2500usb_register_write(rt2x00dev, TXRX_CSR0, reg); |
| 961 | |
| 962 | rt2500usb_register_read(rt2x00dev, MAC_CSR18, ®); |
| 963 | rt2x00_set_field16(®, MAC_CSR18_DELAY_AFTER_BEACON, 90); |
| 964 | rt2500usb_register_write(rt2x00dev, MAC_CSR18, reg); |
| 965 | |
| 966 | rt2500usb_register_read(rt2x00dev, PHY_CSR4, ®); |
| 967 | rt2x00_set_field16(®, PHY_CSR4_LOW_RF_LE, 1); |
| 968 | rt2500usb_register_write(rt2x00dev, PHY_CSR4, reg); |
| 969 | |
| 970 | rt2500usb_register_read(rt2x00dev, TXRX_CSR1, ®); |
| 971 | rt2x00_set_field16(®, TXRX_CSR1_AUTO_SEQUENCE, 1); |
| 972 | rt2500usb_register_write(rt2x00dev, TXRX_CSR1, reg); |
| 973 | |
| 974 | return 0; |
| 975 | } |
| 976 | |
Ivo van Doorn | 2b08da3 | 2008-06-03 18:58:56 +0200 | [diff] [blame] | 977 | static int rt2500usb_wait_bbp_ready(struct rt2x00_dev *rt2x00dev) |
| 978 | { |
| 979 | unsigned int i; |
| 980 | u8 value; |
| 981 | |
| 982 | for (i = 0; i < REGISTER_BUSY_COUNT; i++) { |
| 983 | rt2500usb_bbp_read(rt2x00dev, 0, &value); |
| 984 | if ((value != 0xff) && (value != 0x00)) |
| 985 | return 0; |
| 986 | udelay(REGISTER_BUSY_DELAY); |
| 987 | } |
| 988 | |
| 989 | ERROR(rt2x00dev, "BBP register access failed, aborting.\n"); |
| 990 | return -EACCES; |
| 991 | } |
| 992 | |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 993 | static int rt2500usb_init_bbp(struct rt2x00_dev *rt2x00dev) |
| 994 | { |
| 995 | unsigned int i; |
| 996 | u16 eeprom; |
| 997 | u8 value; |
| 998 | u8 reg_id; |
| 999 | |
Ivo van Doorn | 2b08da3 | 2008-06-03 18:58:56 +0200 | [diff] [blame] | 1000 | if (unlikely(rt2500usb_wait_bbp_ready(rt2x00dev))) |
| 1001 | return -EACCES; |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 1002 | |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 1003 | rt2500usb_bbp_write(rt2x00dev, 3, 0x02); |
| 1004 | rt2500usb_bbp_write(rt2x00dev, 4, 0x19); |
| 1005 | rt2500usb_bbp_write(rt2x00dev, 14, 0x1c); |
| 1006 | rt2500usb_bbp_write(rt2x00dev, 15, 0x30); |
| 1007 | rt2500usb_bbp_write(rt2x00dev, 16, 0xac); |
| 1008 | rt2500usb_bbp_write(rt2x00dev, 18, 0x18); |
| 1009 | rt2500usb_bbp_write(rt2x00dev, 19, 0xff); |
| 1010 | rt2500usb_bbp_write(rt2x00dev, 20, 0x1e); |
| 1011 | rt2500usb_bbp_write(rt2x00dev, 21, 0x08); |
| 1012 | rt2500usb_bbp_write(rt2x00dev, 22, 0x08); |
| 1013 | rt2500usb_bbp_write(rt2x00dev, 23, 0x08); |
| 1014 | rt2500usb_bbp_write(rt2x00dev, 24, 0x80); |
| 1015 | rt2500usb_bbp_write(rt2x00dev, 25, 0x50); |
| 1016 | rt2500usb_bbp_write(rt2x00dev, 26, 0x08); |
| 1017 | rt2500usb_bbp_write(rt2x00dev, 27, 0x23); |
| 1018 | rt2500usb_bbp_write(rt2x00dev, 30, 0x10); |
| 1019 | rt2500usb_bbp_write(rt2x00dev, 31, 0x2b); |
| 1020 | rt2500usb_bbp_write(rt2x00dev, 32, 0xb9); |
| 1021 | rt2500usb_bbp_write(rt2x00dev, 34, 0x12); |
| 1022 | rt2500usb_bbp_write(rt2x00dev, 35, 0x50); |
| 1023 | rt2500usb_bbp_write(rt2x00dev, 39, 0xc4); |
| 1024 | rt2500usb_bbp_write(rt2x00dev, 40, 0x02); |
| 1025 | rt2500usb_bbp_write(rt2x00dev, 41, 0x60); |
| 1026 | rt2500usb_bbp_write(rt2x00dev, 53, 0x10); |
| 1027 | rt2500usb_bbp_write(rt2x00dev, 54, 0x18); |
| 1028 | rt2500usb_bbp_write(rt2x00dev, 56, 0x08); |
| 1029 | rt2500usb_bbp_write(rt2x00dev, 57, 0x10); |
| 1030 | rt2500usb_bbp_write(rt2x00dev, 58, 0x08); |
| 1031 | rt2500usb_bbp_write(rt2x00dev, 61, 0x60); |
| 1032 | rt2500usb_bbp_write(rt2x00dev, 62, 0x10); |
| 1033 | rt2500usb_bbp_write(rt2x00dev, 75, 0xff); |
| 1034 | |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 1035 | for (i = 0; i < EEPROM_BBP_SIZE; i++) { |
| 1036 | rt2x00_eeprom_read(rt2x00dev, EEPROM_BBP_START + i, &eeprom); |
| 1037 | |
| 1038 | if (eeprom != 0xffff && eeprom != 0x0000) { |
| 1039 | reg_id = rt2x00_get_field16(eeprom, EEPROM_BBP_REG_ID); |
| 1040 | value = rt2x00_get_field16(eeprom, EEPROM_BBP_VALUE); |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 1041 | rt2500usb_bbp_write(rt2x00dev, reg_id, value); |
| 1042 | } |
| 1043 | } |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 1044 | |
| 1045 | return 0; |
| 1046 | } |
| 1047 | |
| 1048 | /* |
| 1049 | * Device state switch handlers. |
| 1050 | */ |
| 1051 | static void rt2500usb_toggle_rx(struct rt2x00_dev *rt2x00dev, |
| 1052 | enum dev_state state) |
| 1053 | { |
| 1054 | u16 reg; |
| 1055 | |
| 1056 | rt2500usb_register_read(rt2x00dev, TXRX_CSR2, ®); |
| 1057 | rt2x00_set_field16(®, TXRX_CSR2_DISABLE_RX, |
Ivo van Doorn | 2b08da3 | 2008-06-03 18:58:56 +0200 | [diff] [blame] | 1058 | (state == STATE_RADIO_RX_OFF) || |
| 1059 | (state == STATE_RADIO_RX_OFF_LINK)); |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 1060 | rt2500usb_register_write(rt2x00dev, TXRX_CSR2, reg); |
| 1061 | } |
| 1062 | |
| 1063 | static int rt2500usb_enable_radio(struct rt2x00_dev *rt2x00dev) |
| 1064 | { |
| 1065 | /* |
| 1066 | * Initialize all registers. |
| 1067 | */ |
Ivo van Doorn | 2b08da3 | 2008-06-03 18:58:56 +0200 | [diff] [blame] | 1068 | if (unlikely(rt2500usb_init_registers(rt2x00dev) || |
| 1069 | rt2500usb_init_bbp(rt2x00dev))) |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 1070 | return -EIO; |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 1071 | |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 1072 | return 0; |
| 1073 | } |
| 1074 | |
| 1075 | static void rt2500usb_disable_radio(struct rt2x00_dev *rt2x00dev) |
| 1076 | { |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 1077 | rt2500usb_register_write(rt2x00dev, MAC_CSR13, 0x2121); |
| 1078 | rt2500usb_register_write(rt2x00dev, MAC_CSR14, 0x2121); |
| 1079 | |
| 1080 | /* |
| 1081 | * Disable synchronisation. |
| 1082 | */ |
| 1083 | rt2500usb_register_write(rt2x00dev, TXRX_CSR19, 0); |
| 1084 | |
| 1085 | rt2x00usb_disable_radio(rt2x00dev); |
| 1086 | } |
| 1087 | |
| 1088 | static int rt2500usb_set_state(struct rt2x00_dev *rt2x00dev, |
| 1089 | enum dev_state state) |
| 1090 | { |
| 1091 | u16 reg; |
| 1092 | u16 reg2; |
| 1093 | unsigned int i; |
| 1094 | char put_to_sleep; |
| 1095 | char bbp_state; |
| 1096 | char rf_state; |
| 1097 | |
| 1098 | put_to_sleep = (state != STATE_AWAKE); |
| 1099 | |
| 1100 | reg = 0; |
| 1101 | rt2x00_set_field16(®, MAC_CSR17_BBP_DESIRE_STATE, state); |
| 1102 | rt2x00_set_field16(®, MAC_CSR17_RF_DESIRE_STATE, state); |
| 1103 | rt2x00_set_field16(®, MAC_CSR17_PUT_TO_SLEEP, put_to_sleep); |
| 1104 | rt2500usb_register_write(rt2x00dev, MAC_CSR17, reg); |
| 1105 | rt2x00_set_field16(®, MAC_CSR17_SET_STATE, 1); |
| 1106 | rt2500usb_register_write(rt2x00dev, MAC_CSR17, reg); |
| 1107 | |
| 1108 | /* |
| 1109 | * Device is not guaranteed to be in the requested state yet. |
| 1110 | * We must wait until the register indicates that the |
| 1111 | * device has entered the correct state. |
| 1112 | */ |
| 1113 | for (i = 0; i < REGISTER_BUSY_COUNT; i++) { |
| 1114 | rt2500usb_register_read(rt2x00dev, MAC_CSR17, ®2); |
| 1115 | bbp_state = rt2x00_get_field16(reg2, MAC_CSR17_BBP_CURR_STATE); |
| 1116 | rf_state = rt2x00_get_field16(reg2, MAC_CSR17_RF_CURR_STATE); |
| 1117 | if (bbp_state == state && rf_state == state) |
| 1118 | return 0; |
| 1119 | rt2500usb_register_write(rt2x00dev, MAC_CSR17, reg); |
| 1120 | msleep(30); |
| 1121 | } |
| 1122 | |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 1123 | return -EBUSY; |
| 1124 | } |
| 1125 | |
| 1126 | static int rt2500usb_set_device_state(struct rt2x00_dev *rt2x00dev, |
| 1127 | enum dev_state state) |
| 1128 | { |
| 1129 | int retval = 0; |
| 1130 | |
| 1131 | switch (state) { |
| 1132 | case STATE_RADIO_ON: |
| 1133 | retval = rt2500usb_enable_radio(rt2x00dev); |
| 1134 | break; |
| 1135 | case STATE_RADIO_OFF: |
| 1136 | rt2500usb_disable_radio(rt2x00dev); |
| 1137 | break; |
| 1138 | case STATE_RADIO_RX_ON: |
Ivo van Doorn | 61667d8 | 2008-02-25 23:15:05 +0100 | [diff] [blame] | 1139 | case STATE_RADIO_RX_ON_LINK: |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 1140 | case STATE_RADIO_RX_OFF: |
Ivo van Doorn | 61667d8 | 2008-02-25 23:15:05 +0100 | [diff] [blame] | 1141 | case STATE_RADIO_RX_OFF_LINK: |
Ivo van Doorn | 2b08da3 | 2008-06-03 18:58:56 +0200 | [diff] [blame] | 1142 | rt2500usb_toggle_rx(rt2x00dev, state); |
| 1143 | break; |
| 1144 | case STATE_RADIO_IRQ_ON: |
| 1145 | case STATE_RADIO_IRQ_OFF: |
| 1146 | /* No support, but no error either */ |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 1147 | break; |
| 1148 | case STATE_DEEP_SLEEP: |
| 1149 | case STATE_SLEEP: |
| 1150 | case STATE_STANDBY: |
| 1151 | case STATE_AWAKE: |
| 1152 | retval = rt2500usb_set_state(rt2x00dev, state); |
| 1153 | break; |
| 1154 | default: |
| 1155 | retval = -ENOTSUPP; |
| 1156 | break; |
| 1157 | } |
| 1158 | |
Ivo van Doorn | 2b08da3 | 2008-06-03 18:58:56 +0200 | [diff] [blame] | 1159 | if (unlikely(retval)) |
| 1160 | ERROR(rt2x00dev, "Device failed to enter state %d (%d).\n", |
| 1161 | state, retval); |
| 1162 | |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 1163 | return retval; |
| 1164 | } |
| 1165 | |
| 1166 | /* |
| 1167 | * TX descriptor initialization |
| 1168 | */ |
| 1169 | static void rt2500usb_write_tx_desc(struct rt2x00_dev *rt2x00dev, |
Ivo van Doorn | dd3193e | 2008-01-06 23:41:10 +0100 | [diff] [blame] | 1170 | struct sk_buff *skb, |
Ivo van Doorn | 61486e0 | 2008-05-10 13:42:31 +0200 | [diff] [blame] | 1171 | struct txentry_desc *txdesc) |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 1172 | { |
Ivo van Doorn | 181d690 | 2008-02-05 16:42:23 -0500 | [diff] [blame] | 1173 | struct skb_frame_desc *skbdesc = get_skb_frame_desc(skb); |
Ivo van Doorn | dd3193e | 2008-01-06 23:41:10 +0100 | [diff] [blame] | 1174 | __le32 *txd = skbdesc->desc; |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 1175 | u32 word; |
| 1176 | |
| 1177 | /* |
| 1178 | * Start writing the descriptor words. |
| 1179 | */ |
| 1180 | rt2x00_desc_read(txd, 1, &word); |
Ivo van Doorn | dddfb47 | 2008-12-02 18:20:42 +0100 | [diff] [blame] | 1181 | rt2x00_set_field32(&word, TXD_W1_IV_OFFSET, txdesc->iv_offset); |
Ivo van Doorn | 181d690 | 2008-02-05 16:42:23 -0500 | [diff] [blame] | 1182 | rt2x00_set_field32(&word, TXD_W1_AIFS, txdesc->aifs); |
| 1183 | rt2x00_set_field32(&word, TXD_W1_CWMIN, txdesc->cw_min); |
| 1184 | rt2x00_set_field32(&word, TXD_W1_CWMAX, txdesc->cw_max); |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 1185 | rt2x00_desc_write(txd, 1, word); |
| 1186 | |
| 1187 | rt2x00_desc_read(txd, 2, &word); |
Ivo van Doorn | 181d690 | 2008-02-05 16:42:23 -0500 | [diff] [blame] | 1188 | rt2x00_set_field32(&word, TXD_W2_PLCP_SIGNAL, txdesc->signal); |
| 1189 | rt2x00_set_field32(&word, TXD_W2_PLCP_SERVICE, txdesc->service); |
| 1190 | rt2x00_set_field32(&word, TXD_W2_PLCP_LENGTH_LOW, txdesc->length_low); |
| 1191 | rt2x00_set_field32(&word, TXD_W2_PLCP_LENGTH_HIGH, txdesc->length_high); |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 1192 | rt2x00_desc_write(txd, 2, word); |
| 1193 | |
Ivo van Doorn | dddfb47 | 2008-12-02 18:20:42 +0100 | [diff] [blame] | 1194 | if (test_bit(ENTRY_TXD_ENCRYPT, &txdesc->flags)) { |
| 1195 | _rt2x00_desc_write(txd, 3, skbdesc->iv[0]); |
| 1196 | _rt2x00_desc_write(txd, 4, skbdesc->iv[1]); |
| 1197 | } |
| 1198 | |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 1199 | rt2x00_desc_read(txd, 0, &word); |
Ivo van Doorn | 61486e0 | 2008-05-10 13:42:31 +0200 | [diff] [blame] | 1200 | rt2x00_set_field32(&word, TXD_W0_RETRY_LIMIT, txdesc->retry_limit); |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 1201 | rt2x00_set_field32(&word, TXD_W0_MORE_FRAG, |
Ivo van Doorn | 181d690 | 2008-02-05 16:42:23 -0500 | [diff] [blame] | 1202 | test_bit(ENTRY_TXD_MORE_FRAG, &txdesc->flags)); |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 1203 | rt2x00_set_field32(&word, TXD_W0_ACK, |
Ivo van Doorn | 181d690 | 2008-02-05 16:42:23 -0500 | [diff] [blame] | 1204 | test_bit(ENTRY_TXD_ACK, &txdesc->flags)); |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 1205 | rt2x00_set_field32(&word, TXD_W0_TIMESTAMP, |
Ivo van Doorn | 181d690 | 2008-02-05 16:42:23 -0500 | [diff] [blame] | 1206 | test_bit(ENTRY_TXD_REQ_TIMESTAMP, &txdesc->flags)); |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 1207 | rt2x00_set_field32(&word, TXD_W0_OFDM, |
Ivo van Doorn | 076f958 | 2008-12-20 10:59:02 +0100 | [diff] [blame] | 1208 | (txdesc->rate_mode == RATE_MODE_OFDM)); |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 1209 | rt2x00_set_field32(&word, TXD_W0_NEW_SEQ, |
Ivo van Doorn | 61486e0 | 2008-05-10 13:42:31 +0200 | [diff] [blame] | 1210 | test_bit(ENTRY_TXD_FIRST_FRAGMENT, &txdesc->flags)); |
Ivo van Doorn | 181d690 | 2008-02-05 16:42:23 -0500 | [diff] [blame] | 1211 | rt2x00_set_field32(&word, TXD_W0_IFS, txdesc->ifs); |
Mattias Nissler | 1abc365 | 2008-08-29 21:07:20 +0200 | [diff] [blame] | 1212 | rt2x00_set_field32(&word, TXD_W0_DATABYTE_COUNT, skb->len); |
Ivo van Doorn | f1dd2b2 | 2009-01-03 16:27:14 +0100 | [diff] [blame] | 1213 | rt2x00_set_field32(&word, TXD_W0_CIPHER, !!txdesc->cipher); |
Ivo van Doorn | dddfb47 | 2008-12-02 18:20:42 +0100 | [diff] [blame] | 1214 | rt2x00_set_field32(&word, TXD_W0_KEY_ID, txdesc->key_idx); |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 1215 | rt2x00_desc_write(txd, 0, word); |
| 1216 | } |
| 1217 | |
Ivo van Doorn | bd88a78 | 2008-07-09 15:12:44 +0200 | [diff] [blame] | 1218 | /* |
| 1219 | * TX data initialization |
| 1220 | */ |
| 1221 | static void rt2500usb_beacondone(struct urb *urb); |
| 1222 | |
| 1223 | static void rt2500usb_write_beacon(struct queue_entry *entry) |
| 1224 | { |
| 1225 | struct rt2x00_dev *rt2x00dev = entry->queue->rt2x00dev; |
| 1226 | struct usb_device *usb_dev = to_usb_device_intf(rt2x00dev->dev); |
| 1227 | struct queue_entry_priv_usb_bcn *bcn_priv = entry->priv_data; |
| 1228 | struct skb_frame_desc *skbdesc = get_skb_frame_desc(entry->skb); |
Ivo van Doorn | f1ca216 | 2008-11-13 23:07:33 +0100 | [diff] [blame] | 1229 | int pipe = usb_sndbulkpipe(usb_dev, entry->queue->usb_endpoint); |
Ivo van Doorn | bd88a78 | 2008-07-09 15:12:44 +0200 | [diff] [blame] | 1230 | int length; |
| 1231 | u16 reg; |
| 1232 | |
| 1233 | /* |
| 1234 | * Add the descriptor in front of the skb. |
| 1235 | */ |
| 1236 | skb_push(entry->skb, entry->queue->desc_size); |
| 1237 | memcpy(entry->skb->data, skbdesc->desc, skbdesc->desc_len); |
| 1238 | skbdesc->desc = entry->skb->data; |
| 1239 | |
| 1240 | /* |
| 1241 | * Disable beaconing while we are reloading the beacon data, |
| 1242 | * otherwise we might be sending out invalid data. |
| 1243 | */ |
| 1244 | rt2500usb_register_read(rt2x00dev, TXRX_CSR19, ®); |
| 1245 | rt2x00_set_field16(®, TXRX_CSR19_TSF_COUNT, 0); |
| 1246 | rt2x00_set_field16(®, TXRX_CSR19_TBCN, 0); |
| 1247 | rt2x00_set_field16(®, TXRX_CSR19_BEACON_GEN, 0); |
| 1248 | rt2500usb_register_write(rt2x00dev, TXRX_CSR19, reg); |
| 1249 | |
| 1250 | /* |
| 1251 | * USB devices cannot blindly pass the skb->len as the |
| 1252 | * length of the data to usb_fill_bulk_urb. Pass the skb |
| 1253 | * to the driver to determine what the length should be. |
| 1254 | */ |
Ivo van Doorn | f1ca216 | 2008-11-13 23:07:33 +0100 | [diff] [blame] | 1255 | length = rt2x00dev->ops->lib->get_tx_data_len(entry); |
Ivo van Doorn | bd88a78 | 2008-07-09 15:12:44 +0200 | [diff] [blame] | 1256 | |
| 1257 | usb_fill_bulk_urb(bcn_priv->urb, usb_dev, pipe, |
| 1258 | entry->skb->data, length, rt2500usb_beacondone, |
| 1259 | entry); |
| 1260 | |
| 1261 | /* |
| 1262 | * Second we need to create the guardian byte. |
| 1263 | * We only need a single byte, so lets recycle |
| 1264 | * the 'flags' field we are not using for beacons. |
| 1265 | */ |
| 1266 | bcn_priv->guardian_data = 0; |
| 1267 | usb_fill_bulk_urb(bcn_priv->guardian_urb, usb_dev, pipe, |
| 1268 | &bcn_priv->guardian_data, 1, rt2500usb_beacondone, |
| 1269 | entry); |
| 1270 | |
| 1271 | /* |
| 1272 | * Send out the guardian byte. |
| 1273 | */ |
| 1274 | usb_submit_urb(bcn_priv->guardian_urb, GFP_ATOMIC); |
| 1275 | } |
| 1276 | |
Ivo van Doorn | f1ca216 | 2008-11-13 23:07:33 +0100 | [diff] [blame] | 1277 | static int rt2500usb_get_tx_data_len(struct queue_entry *entry) |
Ivo van Doorn | dd9fa2d | 2007-10-06 14:15:46 +0200 | [diff] [blame] | 1278 | { |
| 1279 | int length; |
| 1280 | |
| 1281 | /* |
| 1282 | * The length _must_ be a multiple of 2, |
| 1283 | * but it must _not_ be a multiple of the USB packet size. |
| 1284 | */ |
Ivo van Doorn | f1ca216 | 2008-11-13 23:07:33 +0100 | [diff] [blame] | 1285 | length = roundup(entry->skb->len, 2); |
| 1286 | length += (2 * !(length % entry->queue->usb_maxpacket)); |
Ivo van Doorn | dd9fa2d | 2007-10-06 14:15:46 +0200 | [diff] [blame] | 1287 | |
| 1288 | return length; |
| 1289 | } |
| 1290 | |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 1291 | static void rt2500usb_kick_tx_queue(struct rt2x00_dev *rt2x00dev, |
Ivo van Doorn | e58c6ac | 2008-04-21 19:00:47 +0200 | [diff] [blame] | 1292 | const enum data_queue_qid queue) |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 1293 | { |
| 1294 | u16 reg; |
| 1295 | |
Ivo van Doorn | f019d51 | 2008-06-06 22:47:39 +0200 | [diff] [blame] | 1296 | if (queue != QID_BEACON) { |
| 1297 | rt2x00usb_kick_tx_queue(rt2x00dev, queue); |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 1298 | return; |
Ivo van Doorn | f019d51 | 2008-06-06 22:47:39 +0200 | [diff] [blame] | 1299 | } |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 1300 | |
| 1301 | rt2500usb_register_read(rt2x00dev, TXRX_CSR19, ®); |
| 1302 | if (!rt2x00_get_field16(reg, TXRX_CSR19_BEACON_GEN)) { |
Ivo van Doorn | 8af244c | 2008-03-09 22:42:59 +0100 | [diff] [blame] | 1303 | rt2x00_set_field16(®, TXRX_CSR19_TSF_COUNT, 1); |
| 1304 | rt2x00_set_field16(®, TXRX_CSR19_TBCN, 1); |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 1305 | rt2x00_set_field16(®, TXRX_CSR19_BEACON_GEN, 1); |
| 1306 | /* |
| 1307 | * Beacon generation will fail initially. |
| 1308 | * To prevent this we need to register the TXRX_CSR19 |
| 1309 | * register several times. |
| 1310 | */ |
| 1311 | rt2500usb_register_write(rt2x00dev, TXRX_CSR19, reg); |
| 1312 | rt2500usb_register_write(rt2x00dev, TXRX_CSR19, 0); |
| 1313 | rt2500usb_register_write(rt2x00dev, TXRX_CSR19, reg); |
| 1314 | rt2500usb_register_write(rt2x00dev, TXRX_CSR19, 0); |
| 1315 | rt2500usb_register_write(rt2x00dev, TXRX_CSR19, reg); |
| 1316 | } |
| 1317 | } |
| 1318 | |
| 1319 | /* |
| 1320 | * RX control handlers |
| 1321 | */ |
Ivo van Doorn | 181d690 | 2008-02-05 16:42:23 -0500 | [diff] [blame] | 1322 | static void rt2500usb_fill_rxdone(struct queue_entry *entry, |
| 1323 | struct rxdone_entry_desc *rxdesc) |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 1324 | { |
Ivo van Doorn | dddfb47 | 2008-12-02 18:20:42 +0100 | [diff] [blame] | 1325 | struct rt2x00_dev *rt2x00dev = entry->queue->rt2x00dev; |
Ivo van Doorn | b8be63f | 2008-05-10 13:46:03 +0200 | [diff] [blame] | 1326 | struct queue_entry_priv_usb *entry_priv = entry->priv_data; |
Ivo van Doorn | 181d690 | 2008-02-05 16:42:23 -0500 | [diff] [blame] | 1327 | struct skb_frame_desc *skbdesc = get_skb_frame_desc(entry->skb); |
| 1328 | __le32 *rxd = |
| 1329 | (__le32 *)(entry->skb->data + |
Ivo van Doorn | b8be63f | 2008-05-10 13:46:03 +0200 | [diff] [blame] | 1330 | (entry_priv->urb->actual_length - |
| 1331 | entry->queue->desc_size)); |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 1332 | u32 word0; |
| 1333 | u32 word1; |
| 1334 | |
Ivo van Doorn | f855c10 | 2008-03-09 22:38:18 +0100 | [diff] [blame] | 1335 | /* |
Gertjan van Wingerde | a26cbc6 | 2008-06-06 22:54:28 +0200 | [diff] [blame] | 1336 | * Copy descriptor to the skbdesc->desc buffer, making it safe from moving of |
| 1337 | * frame data in rt2x00usb. |
Ivo van Doorn | f855c10 | 2008-03-09 22:38:18 +0100 | [diff] [blame] | 1338 | */ |
Gertjan van Wingerde | a26cbc6 | 2008-06-06 22:54:28 +0200 | [diff] [blame] | 1339 | memcpy(skbdesc->desc, rxd, skbdesc->desc_len); |
Ivo van Doorn | 70a9610 | 2008-05-10 13:43:38 +0200 | [diff] [blame] | 1340 | rxd = (__le32 *)skbdesc->desc; |
Ivo van Doorn | f855c10 | 2008-03-09 22:38:18 +0100 | [diff] [blame] | 1341 | |
| 1342 | /* |
Ivo van Doorn | 70a9610 | 2008-05-10 13:43:38 +0200 | [diff] [blame] | 1343 | * It is now safe to read the descriptor on all architectures. |
Ivo van Doorn | f855c10 | 2008-03-09 22:38:18 +0100 | [diff] [blame] | 1344 | */ |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 1345 | rt2x00_desc_read(rxd, 0, &word0); |
| 1346 | rt2x00_desc_read(rxd, 1, &word1); |
| 1347 | |
Johannes Berg | 4150c57 | 2007-09-17 01:29:23 -0400 | [diff] [blame] | 1348 | if (rt2x00_get_field32(word0, RXD_W0_CRC_ERROR)) |
Ivo van Doorn | 181d690 | 2008-02-05 16:42:23 -0500 | [diff] [blame] | 1349 | rxdesc->flags |= RX_FLAG_FAILED_FCS_CRC; |
Johannes Berg | 4150c57 | 2007-09-17 01:29:23 -0400 | [diff] [blame] | 1350 | if (rt2x00_get_field32(word0, RXD_W0_PHYSICAL_ERROR)) |
Ivo van Doorn | 181d690 | 2008-02-05 16:42:23 -0500 | [diff] [blame] | 1351 | rxdesc->flags |= RX_FLAG_FAILED_PLCP_CRC; |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 1352 | |
Ivo van Doorn | dddfb47 | 2008-12-02 18:20:42 +0100 | [diff] [blame] | 1353 | if (test_bit(CONFIG_SUPPORT_HW_CRYPTO, &rt2x00dev->flags)) { |
| 1354 | rxdesc->cipher = rt2x00_get_field32(word0, RXD_W0_CIPHER); |
| 1355 | if (rt2x00_get_field32(word0, RXD_W0_CIPHER_ERROR)) |
| 1356 | rxdesc->cipher_status = RX_CRYPTO_FAIL_KEY; |
| 1357 | } |
| 1358 | |
| 1359 | if (rxdesc->cipher != CIPHER_NONE) { |
| 1360 | _rt2x00_desc_read(rxd, 2, &rxdesc->iv[0]); |
| 1361 | _rt2x00_desc_read(rxd, 3, &rxdesc->iv[1]); |
Ivo van Doorn | 74415ed | 2008-12-02 22:50:33 +0100 | [diff] [blame] | 1362 | rxdesc->dev_flags |= RXDONE_CRYPTO_IV; |
| 1363 | |
Ivo van Doorn | dddfb47 | 2008-12-02 18:20:42 +0100 | [diff] [blame] | 1364 | /* ICV is located at the end of frame */ |
| 1365 | |
Ivo van Doorn | f3d340c | 2008-12-21 23:19:17 +0100 | [diff] [blame] | 1366 | rxdesc->flags |= RX_FLAG_MMIC_STRIPPED; |
Ivo van Doorn | dddfb47 | 2008-12-02 18:20:42 +0100 | [diff] [blame] | 1367 | if (rxdesc->cipher_status == RX_CRYPTO_SUCCESS) |
| 1368 | rxdesc->flags |= RX_FLAG_DECRYPTED; |
| 1369 | else if (rxdesc->cipher_status == RX_CRYPTO_FAIL_MIC) |
| 1370 | rxdesc->flags |= RX_FLAG_MMIC_ERROR; |
| 1371 | } |
| 1372 | |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 1373 | /* |
| 1374 | * Obtain the status about this packet. |
Ivo van Doorn | 8999389 | 2008-03-09 22:49:04 +0100 | [diff] [blame] | 1375 | * When frame was received with an OFDM bitrate, |
| 1376 | * the signal is the PLCP value. If it was received with |
| 1377 | * a CCK bitrate the signal is the rate in 100kbit/s. |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 1378 | */ |
Ivo van Doorn | 181d690 | 2008-02-05 16:42:23 -0500 | [diff] [blame] | 1379 | rxdesc->signal = rt2x00_get_field32(word1, RXD_W1_SIGNAL); |
Ivo van Doorn | dddfb47 | 2008-12-02 18:20:42 +0100 | [diff] [blame] | 1380 | rxdesc->rssi = |
| 1381 | rt2x00_get_field32(word1, RXD_W1_RSSI) - rt2x00dev->rssi_offset; |
Ivo van Doorn | 181d690 | 2008-02-05 16:42:23 -0500 | [diff] [blame] | 1382 | rxdesc->size = rt2x00_get_field32(word0, RXD_W0_DATABYTE_COUNT); |
Ivo van Doorn | 19d30e0 | 2008-03-15 21:38:07 +0100 | [diff] [blame] | 1383 | |
Ivo van Doorn | 19d30e0 | 2008-03-15 21:38:07 +0100 | [diff] [blame] | 1384 | if (rt2x00_get_field32(word0, RXD_W0_OFDM)) |
| 1385 | rxdesc->dev_flags |= RXDONE_SIGNAL_PLCP; |
Ivo van Doorn | 6c6aa3c | 2008-08-29 21:07:16 +0200 | [diff] [blame] | 1386 | else |
| 1387 | rxdesc->dev_flags |= RXDONE_SIGNAL_BITRATE; |
Ivo van Doorn | 19d30e0 | 2008-03-15 21:38:07 +0100 | [diff] [blame] | 1388 | if (rt2x00_get_field32(word0, RXD_W0_MY_BSS)) |
| 1389 | rxdesc->dev_flags |= RXDONE_MY_BSS; |
Ivo van Doorn | 7d1de80 | 2008-01-06 23:42:04 +0100 | [diff] [blame] | 1390 | |
| 1391 | /* |
Mattias Nissler | 2ae2385 | 2008-03-09 22:41:22 +0100 | [diff] [blame] | 1392 | * Adjust the skb memory window to the frame boundaries. |
| 1393 | */ |
Mattias Nissler | 2ae2385 | 2008-03-09 22:41:22 +0100 | [diff] [blame] | 1394 | skb_trim(entry->skb, rxdesc->size); |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 1395 | } |
| 1396 | |
| 1397 | /* |
| 1398 | * Interrupt functions. |
| 1399 | */ |
| 1400 | static void rt2500usb_beacondone(struct urb *urb) |
| 1401 | { |
Ivo van Doorn | 181d690 | 2008-02-05 16:42:23 -0500 | [diff] [blame] | 1402 | struct queue_entry *entry = (struct queue_entry *)urb->context; |
Ivo van Doorn | b8be63f | 2008-05-10 13:46:03 +0200 | [diff] [blame] | 1403 | struct queue_entry_priv_usb_bcn *bcn_priv = entry->priv_data; |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 1404 | |
Ivo van Doorn | 0262ab0 | 2008-08-29 21:04:26 +0200 | [diff] [blame] | 1405 | if (!test_bit(DEVICE_STATE_ENABLED_RADIO, &entry->queue->rt2x00dev->flags)) |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 1406 | return; |
| 1407 | |
| 1408 | /* |
| 1409 | * Check if this was the guardian beacon, |
| 1410 | * if that was the case we need to send the real beacon now. |
| 1411 | * Otherwise we should free the sk_buffer, the device |
| 1412 | * should be doing the rest of the work now. |
| 1413 | */ |
Ivo van Doorn | b8be63f | 2008-05-10 13:46:03 +0200 | [diff] [blame] | 1414 | if (bcn_priv->guardian_urb == urb) { |
| 1415 | usb_submit_urb(bcn_priv->urb, GFP_ATOMIC); |
| 1416 | } else if (bcn_priv->urb == urb) { |
Ivo van Doorn | 181d690 | 2008-02-05 16:42:23 -0500 | [diff] [blame] | 1417 | dev_kfree_skb(entry->skb); |
| 1418 | entry->skb = NULL; |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 1419 | } |
| 1420 | } |
| 1421 | |
| 1422 | /* |
| 1423 | * Device probe functions. |
| 1424 | */ |
| 1425 | static int rt2500usb_validate_eeprom(struct rt2x00_dev *rt2x00dev) |
| 1426 | { |
| 1427 | u16 word; |
| 1428 | u8 *mac; |
Ivo van Doorn | 6bb40dd | 2008-02-03 15:49:59 +0100 | [diff] [blame] | 1429 | u8 bbp; |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 1430 | |
| 1431 | rt2x00usb_eeprom_read(rt2x00dev, rt2x00dev->eeprom, EEPROM_SIZE); |
| 1432 | |
| 1433 | /* |
| 1434 | * Start validation of the data that has been read. |
| 1435 | */ |
| 1436 | mac = rt2x00_eeprom_addr(rt2x00dev, EEPROM_MAC_ADDR_0); |
| 1437 | if (!is_valid_ether_addr(mac)) { |
| 1438 | random_ether_addr(mac); |
Johannes Berg | e174961 | 2008-10-27 15:59:26 -0700 | [diff] [blame] | 1439 | EEPROM(rt2x00dev, "MAC: %pM\n", mac); |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 1440 | } |
| 1441 | |
| 1442 | rt2x00_eeprom_read(rt2x00dev, EEPROM_ANTENNA, &word); |
| 1443 | if (word == 0xffff) { |
| 1444 | rt2x00_set_field16(&word, EEPROM_ANTENNA_NUM, 2); |
Ivo van Doorn | 362f3b6 | 2007-10-13 16:26:18 +0200 | [diff] [blame] | 1445 | rt2x00_set_field16(&word, EEPROM_ANTENNA_TX_DEFAULT, |
| 1446 | ANTENNA_SW_DIVERSITY); |
| 1447 | rt2x00_set_field16(&word, EEPROM_ANTENNA_RX_DEFAULT, |
| 1448 | ANTENNA_SW_DIVERSITY); |
| 1449 | rt2x00_set_field16(&word, EEPROM_ANTENNA_LED_MODE, |
| 1450 | LED_MODE_DEFAULT); |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 1451 | rt2x00_set_field16(&word, EEPROM_ANTENNA_DYN_TXAGC, 0); |
| 1452 | rt2x00_set_field16(&word, EEPROM_ANTENNA_HARDWARE_RADIO, 0); |
| 1453 | rt2x00_set_field16(&word, EEPROM_ANTENNA_RF_TYPE, RF2522); |
| 1454 | rt2x00_eeprom_write(rt2x00dev, EEPROM_ANTENNA, word); |
| 1455 | EEPROM(rt2x00dev, "Antenna: 0x%04x\n", word); |
| 1456 | } |
| 1457 | |
| 1458 | rt2x00_eeprom_read(rt2x00dev, EEPROM_NIC, &word); |
| 1459 | if (word == 0xffff) { |
| 1460 | rt2x00_set_field16(&word, EEPROM_NIC_CARDBUS_ACCEL, 0); |
| 1461 | rt2x00_set_field16(&word, EEPROM_NIC_DYN_BBP_TUNE, 0); |
| 1462 | rt2x00_set_field16(&word, EEPROM_NIC_CCK_TX_POWER, 0); |
| 1463 | rt2x00_eeprom_write(rt2x00dev, EEPROM_NIC, word); |
| 1464 | EEPROM(rt2x00dev, "NIC: 0x%04x\n", word); |
| 1465 | } |
| 1466 | |
| 1467 | rt2x00_eeprom_read(rt2x00dev, EEPROM_CALIBRATE_OFFSET, &word); |
| 1468 | if (word == 0xffff) { |
| 1469 | rt2x00_set_field16(&word, EEPROM_CALIBRATE_OFFSET_RSSI, |
| 1470 | DEFAULT_RSSI_OFFSET); |
| 1471 | rt2x00_eeprom_write(rt2x00dev, EEPROM_CALIBRATE_OFFSET, word); |
| 1472 | EEPROM(rt2x00dev, "Calibrate offset: 0x%04x\n", word); |
| 1473 | } |
| 1474 | |
| 1475 | rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE, &word); |
| 1476 | if (word == 0xffff) { |
| 1477 | rt2x00_set_field16(&word, EEPROM_BBPTUNE_THRESHOLD, 45); |
| 1478 | rt2x00_eeprom_write(rt2x00dev, EEPROM_BBPTUNE, word); |
| 1479 | EEPROM(rt2x00dev, "BBPtune: 0x%04x\n", word); |
| 1480 | } |
| 1481 | |
Ivo van Doorn | 6bb40dd | 2008-02-03 15:49:59 +0100 | [diff] [blame] | 1482 | /* |
| 1483 | * Switch lower vgc bound to current BBP R17 value, |
| 1484 | * lower the value a bit for better quality. |
| 1485 | */ |
| 1486 | rt2500usb_bbp_read(rt2x00dev, 17, &bbp); |
| 1487 | bbp -= 6; |
| 1488 | |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 1489 | rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_VGC, &word); |
| 1490 | if (word == 0xffff) { |
| 1491 | rt2x00_set_field16(&word, EEPROM_BBPTUNE_VGCUPPER, 0x40); |
Ivo van Doorn | 6bb40dd | 2008-02-03 15:49:59 +0100 | [diff] [blame] | 1492 | rt2x00_set_field16(&word, EEPROM_BBPTUNE_VGCLOWER, bbp); |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 1493 | rt2x00_eeprom_write(rt2x00dev, EEPROM_BBPTUNE_VGC, word); |
| 1494 | EEPROM(rt2x00dev, "BBPtune vgc: 0x%04x\n", word); |
Ivo van Doorn | 8d8acd4 | 2008-07-28 10:20:12 +0200 | [diff] [blame] | 1495 | } else { |
| 1496 | rt2x00_set_field16(&word, EEPROM_BBPTUNE_VGCLOWER, bbp); |
| 1497 | rt2x00_eeprom_write(rt2x00dev, EEPROM_BBPTUNE_VGC, word); |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 1498 | } |
| 1499 | |
| 1500 | rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_R17, &word); |
| 1501 | if (word == 0xffff) { |
| 1502 | rt2x00_set_field16(&word, EEPROM_BBPTUNE_R17_LOW, 0x48); |
| 1503 | rt2x00_set_field16(&word, EEPROM_BBPTUNE_R17_HIGH, 0x41); |
| 1504 | rt2x00_eeprom_write(rt2x00dev, EEPROM_BBPTUNE_R17, word); |
| 1505 | EEPROM(rt2x00dev, "BBPtune r17: 0x%04x\n", word); |
| 1506 | } |
| 1507 | |
| 1508 | rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_R24, &word); |
| 1509 | if (word == 0xffff) { |
| 1510 | rt2x00_set_field16(&word, EEPROM_BBPTUNE_R24_LOW, 0x40); |
| 1511 | rt2x00_set_field16(&word, EEPROM_BBPTUNE_R24_HIGH, 0x80); |
| 1512 | rt2x00_eeprom_write(rt2x00dev, EEPROM_BBPTUNE_R24, word); |
| 1513 | EEPROM(rt2x00dev, "BBPtune r24: 0x%04x\n", word); |
| 1514 | } |
| 1515 | |
| 1516 | rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_R25, &word); |
| 1517 | if (word == 0xffff) { |
| 1518 | rt2x00_set_field16(&word, EEPROM_BBPTUNE_R25_LOW, 0x40); |
| 1519 | rt2x00_set_field16(&word, EEPROM_BBPTUNE_R25_HIGH, 0x50); |
| 1520 | rt2x00_eeprom_write(rt2x00dev, EEPROM_BBPTUNE_R25, word); |
| 1521 | EEPROM(rt2x00dev, "BBPtune r25: 0x%04x\n", word); |
| 1522 | } |
| 1523 | |
| 1524 | rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_R61, &word); |
| 1525 | if (word == 0xffff) { |
| 1526 | rt2x00_set_field16(&word, EEPROM_BBPTUNE_R61_LOW, 0x60); |
| 1527 | rt2x00_set_field16(&word, EEPROM_BBPTUNE_R61_HIGH, 0x6d); |
| 1528 | rt2x00_eeprom_write(rt2x00dev, EEPROM_BBPTUNE_R61, word); |
| 1529 | EEPROM(rt2x00dev, "BBPtune r61: 0x%04x\n", word); |
| 1530 | } |
| 1531 | |
| 1532 | return 0; |
| 1533 | } |
| 1534 | |
| 1535 | static int rt2500usb_init_eeprom(struct rt2x00_dev *rt2x00dev) |
| 1536 | { |
| 1537 | u16 reg; |
| 1538 | u16 value; |
| 1539 | u16 eeprom; |
| 1540 | |
| 1541 | /* |
| 1542 | * Read EEPROM word for configuration. |
| 1543 | */ |
| 1544 | rt2x00_eeprom_read(rt2x00dev, EEPROM_ANTENNA, &eeprom); |
| 1545 | |
| 1546 | /* |
| 1547 | * Identify RF chipset. |
| 1548 | */ |
| 1549 | value = rt2x00_get_field16(eeprom, EEPROM_ANTENNA_RF_TYPE); |
| 1550 | rt2500usb_register_read(rt2x00dev, MAC_CSR0, ®); |
| 1551 | rt2x00_set_chip(rt2x00dev, RT2570, value, reg); |
| 1552 | |
Ivo van Doorn | 358623c | 2009-05-05 19:46:08 +0200 | [diff] [blame] | 1553 | if (!rt2x00_check_rev(&rt2x00dev->chip, 0x000ffff0, 0)) { |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 1554 | ERROR(rt2x00dev, "Invalid RT chipset detected.\n"); |
| 1555 | return -ENODEV; |
| 1556 | } |
| 1557 | |
| 1558 | if (!rt2x00_rf(&rt2x00dev->chip, RF2522) && |
| 1559 | !rt2x00_rf(&rt2x00dev->chip, RF2523) && |
| 1560 | !rt2x00_rf(&rt2x00dev->chip, RF2524) && |
| 1561 | !rt2x00_rf(&rt2x00dev->chip, RF2525) && |
| 1562 | !rt2x00_rf(&rt2x00dev->chip, RF2525E) && |
| 1563 | !rt2x00_rf(&rt2x00dev->chip, RF5222)) { |
| 1564 | ERROR(rt2x00dev, "Invalid RF chipset detected.\n"); |
| 1565 | return -ENODEV; |
| 1566 | } |
| 1567 | |
| 1568 | /* |
| 1569 | * Identify default antenna configuration. |
| 1570 | */ |
Ivo van Doorn | addc81b | 2007-10-13 16:26:23 +0200 | [diff] [blame] | 1571 | rt2x00dev->default_ant.tx = |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 1572 | rt2x00_get_field16(eeprom, EEPROM_ANTENNA_TX_DEFAULT); |
Ivo van Doorn | addc81b | 2007-10-13 16:26:23 +0200 | [diff] [blame] | 1573 | rt2x00dev->default_ant.rx = |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 1574 | rt2x00_get_field16(eeprom, EEPROM_ANTENNA_RX_DEFAULT); |
| 1575 | |
| 1576 | /* |
Ivo van Doorn | addc81b | 2007-10-13 16:26:23 +0200 | [diff] [blame] | 1577 | * When the eeprom indicates SW_DIVERSITY use HW_DIVERSITY instead. |
| 1578 | * I am not 100% sure about this, but the legacy drivers do not |
| 1579 | * indicate antenna swapping in software is required when |
| 1580 | * diversity is enabled. |
| 1581 | */ |
| 1582 | if (rt2x00dev->default_ant.tx == ANTENNA_SW_DIVERSITY) |
| 1583 | rt2x00dev->default_ant.tx = ANTENNA_HW_DIVERSITY; |
| 1584 | if (rt2x00dev->default_ant.rx == ANTENNA_SW_DIVERSITY) |
| 1585 | rt2x00dev->default_ant.rx = ANTENNA_HW_DIVERSITY; |
| 1586 | |
| 1587 | /* |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 1588 | * Store led mode, for correct led behaviour. |
| 1589 | */ |
Ivo van Doorn | 771fd56 | 2008-09-08 19:07:15 +0200 | [diff] [blame] | 1590 | #ifdef CONFIG_RT2X00_LIB_LEDS |
Ivo van Doorn | a9450b7 | 2008-02-03 15:53:40 +0100 | [diff] [blame] | 1591 | value = rt2x00_get_field16(eeprom, EEPROM_ANTENNA_LED_MODE); |
| 1592 | |
Ivo van Doorn | 475433b | 2008-06-03 20:30:01 +0200 | [diff] [blame] | 1593 | rt2500usb_init_led(rt2x00dev, &rt2x00dev->led_radio, LED_TYPE_RADIO); |
Ivo van Doorn | 3d3e451 | 2009-01-17 20:44:08 +0100 | [diff] [blame] | 1594 | if (value == LED_MODE_TXRX_ACTIVITY || |
| 1595 | value == LED_MODE_DEFAULT || |
| 1596 | value == LED_MODE_ASUS) |
Ivo van Doorn | 475433b | 2008-06-03 20:30:01 +0200 | [diff] [blame] | 1597 | rt2500usb_init_led(rt2x00dev, &rt2x00dev->led_qual, |
| 1598 | LED_TYPE_ACTIVITY); |
Ivo van Doorn | 771fd56 | 2008-09-08 19:07:15 +0200 | [diff] [blame] | 1599 | #endif /* CONFIG_RT2X00_LIB_LEDS */ |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 1600 | |
| 1601 | /* |
Ivo van Doorn | 7396faf | 2008-12-20 10:55:57 +0100 | [diff] [blame] | 1602 | * Detect if this device has an hardware controlled radio. |
| 1603 | */ |
| 1604 | #ifdef CONFIG_RT2X00_LIB_RFKILL |
| 1605 | if (rt2x00_get_field16(eeprom, EEPROM_ANTENNA_HARDWARE_RADIO)) |
| 1606 | __set_bit(CONFIG_SUPPORT_HW_BUTTON, &rt2x00dev->flags); |
| 1607 | #endif /* CONFIG_RT2X00_LIB_RFKILL */ |
| 1608 | |
| 1609 | /* |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 1610 | * Check if the BBP tuning should be disabled. |
| 1611 | */ |
| 1612 | rt2x00_eeprom_read(rt2x00dev, EEPROM_NIC, &eeprom); |
| 1613 | if (rt2x00_get_field16(eeprom, EEPROM_NIC_DYN_BBP_TUNE)) |
| 1614 | __set_bit(CONFIG_DISABLE_LINK_TUNING, &rt2x00dev->flags); |
| 1615 | |
| 1616 | /* |
| 1617 | * Read the RSSI <-> dBm offset information. |
| 1618 | */ |
| 1619 | rt2x00_eeprom_read(rt2x00dev, EEPROM_CALIBRATE_OFFSET, &eeprom); |
| 1620 | rt2x00dev->rssi_offset = |
| 1621 | rt2x00_get_field16(eeprom, EEPROM_CALIBRATE_OFFSET_RSSI); |
| 1622 | |
| 1623 | return 0; |
| 1624 | } |
| 1625 | |
| 1626 | /* |
| 1627 | * RF value list for RF2522 |
| 1628 | * Supports: 2.4 GHz |
| 1629 | */ |
| 1630 | static const struct rf_channel rf_vals_bg_2522[] = { |
| 1631 | { 1, 0x00002050, 0x000c1fda, 0x00000101, 0 }, |
| 1632 | { 2, 0x00002050, 0x000c1fee, 0x00000101, 0 }, |
| 1633 | { 3, 0x00002050, 0x000c2002, 0x00000101, 0 }, |
| 1634 | { 4, 0x00002050, 0x000c2016, 0x00000101, 0 }, |
| 1635 | { 5, 0x00002050, 0x000c202a, 0x00000101, 0 }, |
| 1636 | { 6, 0x00002050, 0x000c203e, 0x00000101, 0 }, |
| 1637 | { 7, 0x00002050, 0x000c2052, 0x00000101, 0 }, |
| 1638 | { 8, 0x00002050, 0x000c2066, 0x00000101, 0 }, |
| 1639 | { 9, 0x00002050, 0x000c207a, 0x00000101, 0 }, |
| 1640 | { 10, 0x00002050, 0x000c208e, 0x00000101, 0 }, |
| 1641 | { 11, 0x00002050, 0x000c20a2, 0x00000101, 0 }, |
| 1642 | { 12, 0x00002050, 0x000c20b6, 0x00000101, 0 }, |
| 1643 | { 13, 0x00002050, 0x000c20ca, 0x00000101, 0 }, |
| 1644 | { 14, 0x00002050, 0x000c20fa, 0x00000101, 0 }, |
| 1645 | }; |
| 1646 | |
| 1647 | /* |
| 1648 | * RF value list for RF2523 |
| 1649 | * Supports: 2.4 GHz |
| 1650 | */ |
| 1651 | static const struct rf_channel rf_vals_bg_2523[] = { |
| 1652 | { 1, 0x00022010, 0x00000c9e, 0x000e0111, 0x00000a1b }, |
| 1653 | { 2, 0x00022010, 0x00000ca2, 0x000e0111, 0x00000a1b }, |
| 1654 | { 3, 0x00022010, 0x00000ca6, 0x000e0111, 0x00000a1b }, |
| 1655 | { 4, 0x00022010, 0x00000caa, 0x000e0111, 0x00000a1b }, |
| 1656 | { 5, 0x00022010, 0x00000cae, 0x000e0111, 0x00000a1b }, |
| 1657 | { 6, 0x00022010, 0x00000cb2, 0x000e0111, 0x00000a1b }, |
| 1658 | { 7, 0x00022010, 0x00000cb6, 0x000e0111, 0x00000a1b }, |
| 1659 | { 8, 0x00022010, 0x00000cba, 0x000e0111, 0x00000a1b }, |
| 1660 | { 9, 0x00022010, 0x00000cbe, 0x000e0111, 0x00000a1b }, |
| 1661 | { 10, 0x00022010, 0x00000d02, 0x000e0111, 0x00000a1b }, |
| 1662 | { 11, 0x00022010, 0x00000d06, 0x000e0111, 0x00000a1b }, |
| 1663 | { 12, 0x00022010, 0x00000d0a, 0x000e0111, 0x00000a1b }, |
| 1664 | { 13, 0x00022010, 0x00000d0e, 0x000e0111, 0x00000a1b }, |
| 1665 | { 14, 0x00022010, 0x00000d1a, 0x000e0111, 0x00000a03 }, |
| 1666 | }; |
| 1667 | |
| 1668 | /* |
| 1669 | * RF value list for RF2524 |
| 1670 | * Supports: 2.4 GHz |
| 1671 | */ |
| 1672 | static const struct rf_channel rf_vals_bg_2524[] = { |
| 1673 | { 1, 0x00032020, 0x00000c9e, 0x00000101, 0x00000a1b }, |
| 1674 | { 2, 0x00032020, 0x00000ca2, 0x00000101, 0x00000a1b }, |
| 1675 | { 3, 0x00032020, 0x00000ca6, 0x00000101, 0x00000a1b }, |
| 1676 | { 4, 0x00032020, 0x00000caa, 0x00000101, 0x00000a1b }, |
| 1677 | { 5, 0x00032020, 0x00000cae, 0x00000101, 0x00000a1b }, |
| 1678 | { 6, 0x00032020, 0x00000cb2, 0x00000101, 0x00000a1b }, |
| 1679 | { 7, 0x00032020, 0x00000cb6, 0x00000101, 0x00000a1b }, |
| 1680 | { 8, 0x00032020, 0x00000cba, 0x00000101, 0x00000a1b }, |
| 1681 | { 9, 0x00032020, 0x00000cbe, 0x00000101, 0x00000a1b }, |
| 1682 | { 10, 0x00032020, 0x00000d02, 0x00000101, 0x00000a1b }, |
| 1683 | { 11, 0x00032020, 0x00000d06, 0x00000101, 0x00000a1b }, |
| 1684 | { 12, 0x00032020, 0x00000d0a, 0x00000101, 0x00000a1b }, |
| 1685 | { 13, 0x00032020, 0x00000d0e, 0x00000101, 0x00000a1b }, |
| 1686 | { 14, 0x00032020, 0x00000d1a, 0x00000101, 0x00000a03 }, |
| 1687 | }; |
| 1688 | |
| 1689 | /* |
| 1690 | * RF value list for RF2525 |
| 1691 | * Supports: 2.4 GHz |
| 1692 | */ |
| 1693 | static const struct rf_channel rf_vals_bg_2525[] = { |
| 1694 | { 1, 0x00022020, 0x00080c9e, 0x00060111, 0x00000a1b }, |
| 1695 | { 2, 0x00022020, 0x00080ca2, 0x00060111, 0x00000a1b }, |
| 1696 | { 3, 0x00022020, 0x00080ca6, 0x00060111, 0x00000a1b }, |
| 1697 | { 4, 0x00022020, 0x00080caa, 0x00060111, 0x00000a1b }, |
| 1698 | { 5, 0x00022020, 0x00080cae, 0x00060111, 0x00000a1b }, |
| 1699 | { 6, 0x00022020, 0x00080cb2, 0x00060111, 0x00000a1b }, |
| 1700 | { 7, 0x00022020, 0x00080cb6, 0x00060111, 0x00000a1b }, |
| 1701 | { 8, 0x00022020, 0x00080cba, 0x00060111, 0x00000a1b }, |
| 1702 | { 9, 0x00022020, 0x00080cbe, 0x00060111, 0x00000a1b }, |
| 1703 | { 10, 0x00022020, 0x00080d02, 0x00060111, 0x00000a1b }, |
| 1704 | { 11, 0x00022020, 0x00080d06, 0x00060111, 0x00000a1b }, |
| 1705 | { 12, 0x00022020, 0x00080d0a, 0x00060111, 0x00000a1b }, |
| 1706 | { 13, 0x00022020, 0x00080d0e, 0x00060111, 0x00000a1b }, |
| 1707 | { 14, 0x00022020, 0x00080d1a, 0x00060111, 0x00000a03 }, |
| 1708 | }; |
| 1709 | |
| 1710 | /* |
| 1711 | * RF value list for RF2525e |
| 1712 | * Supports: 2.4 GHz |
| 1713 | */ |
| 1714 | static const struct rf_channel rf_vals_bg_2525e[] = { |
| 1715 | { 1, 0x00022010, 0x0000089a, 0x00060111, 0x00000e1b }, |
| 1716 | { 2, 0x00022010, 0x0000089e, 0x00060111, 0x00000e07 }, |
| 1717 | { 3, 0x00022010, 0x0000089e, 0x00060111, 0x00000e1b }, |
| 1718 | { 4, 0x00022010, 0x000008a2, 0x00060111, 0x00000e07 }, |
| 1719 | { 5, 0x00022010, 0x000008a2, 0x00060111, 0x00000e1b }, |
| 1720 | { 6, 0x00022010, 0x000008a6, 0x00060111, 0x00000e07 }, |
| 1721 | { 7, 0x00022010, 0x000008a6, 0x00060111, 0x00000e1b }, |
| 1722 | { 8, 0x00022010, 0x000008aa, 0x00060111, 0x00000e07 }, |
| 1723 | { 9, 0x00022010, 0x000008aa, 0x00060111, 0x00000e1b }, |
| 1724 | { 10, 0x00022010, 0x000008ae, 0x00060111, 0x00000e07 }, |
| 1725 | { 11, 0x00022010, 0x000008ae, 0x00060111, 0x00000e1b }, |
| 1726 | { 12, 0x00022010, 0x000008b2, 0x00060111, 0x00000e07 }, |
| 1727 | { 13, 0x00022010, 0x000008b2, 0x00060111, 0x00000e1b }, |
| 1728 | { 14, 0x00022010, 0x000008b6, 0x00060111, 0x00000e23 }, |
| 1729 | }; |
| 1730 | |
| 1731 | /* |
| 1732 | * RF value list for RF5222 |
| 1733 | * Supports: 2.4 GHz & 5.2 GHz |
| 1734 | */ |
| 1735 | static const struct rf_channel rf_vals_5222[] = { |
| 1736 | { 1, 0x00022020, 0x00001136, 0x00000101, 0x00000a0b }, |
| 1737 | { 2, 0x00022020, 0x0000113a, 0x00000101, 0x00000a0b }, |
| 1738 | { 3, 0x00022020, 0x0000113e, 0x00000101, 0x00000a0b }, |
| 1739 | { 4, 0x00022020, 0x00001182, 0x00000101, 0x00000a0b }, |
| 1740 | { 5, 0x00022020, 0x00001186, 0x00000101, 0x00000a0b }, |
| 1741 | { 6, 0x00022020, 0x0000118a, 0x00000101, 0x00000a0b }, |
| 1742 | { 7, 0x00022020, 0x0000118e, 0x00000101, 0x00000a0b }, |
| 1743 | { 8, 0x00022020, 0x00001192, 0x00000101, 0x00000a0b }, |
| 1744 | { 9, 0x00022020, 0x00001196, 0x00000101, 0x00000a0b }, |
| 1745 | { 10, 0x00022020, 0x0000119a, 0x00000101, 0x00000a0b }, |
| 1746 | { 11, 0x00022020, 0x0000119e, 0x00000101, 0x00000a0b }, |
| 1747 | { 12, 0x00022020, 0x000011a2, 0x00000101, 0x00000a0b }, |
| 1748 | { 13, 0x00022020, 0x000011a6, 0x00000101, 0x00000a0b }, |
| 1749 | { 14, 0x00022020, 0x000011ae, 0x00000101, 0x00000a1b }, |
| 1750 | |
| 1751 | /* 802.11 UNI / HyperLan 2 */ |
| 1752 | { 36, 0x00022010, 0x00018896, 0x00000101, 0x00000a1f }, |
| 1753 | { 40, 0x00022010, 0x0001889a, 0x00000101, 0x00000a1f }, |
| 1754 | { 44, 0x00022010, 0x0001889e, 0x00000101, 0x00000a1f }, |
| 1755 | { 48, 0x00022010, 0x000188a2, 0x00000101, 0x00000a1f }, |
| 1756 | { 52, 0x00022010, 0x000188a6, 0x00000101, 0x00000a1f }, |
| 1757 | { 66, 0x00022010, 0x000188aa, 0x00000101, 0x00000a1f }, |
| 1758 | { 60, 0x00022010, 0x000188ae, 0x00000101, 0x00000a1f }, |
| 1759 | { 64, 0x00022010, 0x000188b2, 0x00000101, 0x00000a1f }, |
| 1760 | |
| 1761 | /* 802.11 HyperLan 2 */ |
| 1762 | { 100, 0x00022010, 0x00008802, 0x00000101, 0x00000a0f }, |
| 1763 | { 104, 0x00022010, 0x00008806, 0x00000101, 0x00000a0f }, |
| 1764 | { 108, 0x00022010, 0x0000880a, 0x00000101, 0x00000a0f }, |
| 1765 | { 112, 0x00022010, 0x0000880e, 0x00000101, 0x00000a0f }, |
| 1766 | { 116, 0x00022010, 0x00008812, 0x00000101, 0x00000a0f }, |
| 1767 | { 120, 0x00022010, 0x00008816, 0x00000101, 0x00000a0f }, |
| 1768 | { 124, 0x00022010, 0x0000881a, 0x00000101, 0x00000a0f }, |
| 1769 | { 128, 0x00022010, 0x0000881e, 0x00000101, 0x00000a0f }, |
| 1770 | { 132, 0x00022010, 0x00008822, 0x00000101, 0x00000a0f }, |
| 1771 | { 136, 0x00022010, 0x00008826, 0x00000101, 0x00000a0f }, |
| 1772 | |
| 1773 | /* 802.11 UNII */ |
| 1774 | { 140, 0x00022010, 0x0000882a, 0x00000101, 0x00000a0f }, |
| 1775 | { 149, 0x00022020, 0x000090a6, 0x00000101, 0x00000a07 }, |
| 1776 | { 153, 0x00022020, 0x000090ae, 0x00000101, 0x00000a07 }, |
| 1777 | { 157, 0x00022020, 0x000090b6, 0x00000101, 0x00000a07 }, |
| 1778 | { 161, 0x00022020, 0x000090be, 0x00000101, 0x00000a07 }, |
| 1779 | }; |
| 1780 | |
Ivo van Doorn | 8c5e7a5 | 2008-08-04 16:38:47 +0200 | [diff] [blame] | 1781 | static int rt2500usb_probe_hw_mode(struct rt2x00_dev *rt2x00dev) |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 1782 | { |
| 1783 | struct hw_mode_spec *spec = &rt2x00dev->spec; |
Ivo van Doorn | 8c5e7a5 | 2008-08-04 16:38:47 +0200 | [diff] [blame] | 1784 | struct channel_info *info; |
| 1785 | char *tx_power; |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 1786 | unsigned int i; |
| 1787 | |
| 1788 | /* |
| 1789 | * Initialize all hw fields. |
| 1790 | */ |
| 1791 | rt2x00dev->hw->flags = |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 1792 | IEEE80211_HW_RX_INCLUDES_FCS | |
Bruno Randolf | 566bfe5 | 2008-05-08 19:15:40 +0200 | [diff] [blame] | 1793 | IEEE80211_HW_HOST_BROADCAST_PS_BUFFERING | |
Johannes Berg | 4be8c38 | 2009-01-07 18:28:20 +0100 | [diff] [blame] | 1794 | IEEE80211_HW_SIGNAL_DBM | |
| 1795 | IEEE80211_HW_SUPPORTS_PS | |
| 1796 | IEEE80211_HW_PS_NULLFUNC_STACK; |
Bruno Randolf | 566bfe5 | 2008-05-08 19:15:40 +0200 | [diff] [blame] | 1797 | |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 1798 | rt2x00dev->hw->extra_tx_headroom = TXD_DESC_SIZE; |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 1799 | |
Gertjan van Wingerde | 14a3bf8 | 2008-06-16 19:55:43 +0200 | [diff] [blame] | 1800 | SET_IEEE80211_DEV(rt2x00dev->hw, rt2x00dev->dev); |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 1801 | SET_IEEE80211_PERM_ADDR(rt2x00dev->hw, |
| 1802 | rt2x00_eeprom_addr(rt2x00dev, |
| 1803 | EEPROM_MAC_ADDR_0)); |
| 1804 | |
| 1805 | /* |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 1806 | * Initialize hw_mode information. |
| 1807 | */ |
Ivo van Doorn | 31562e8 | 2008-02-17 17:35:05 +0100 | [diff] [blame] | 1808 | spec->supported_bands = SUPPORT_BAND_2GHZ; |
| 1809 | spec->supported_rates = SUPPORT_RATE_CCK | SUPPORT_RATE_OFDM; |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 1810 | |
| 1811 | if (rt2x00_rf(&rt2x00dev->chip, RF2522)) { |
| 1812 | spec->num_channels = ARRAY_SIZE(rf_vals_bg_2522); |
| 1813 | spec->channels = rf_vals_bg_2522; |
| 1814 | } else if (rt2x00_rf(&rt2x00dev->chip, RF2523)) { |
| 1815 | spec->num_channels = ARRAY_SIZE(rf_vals_bg_2523); |
| 1816 | spec->channels = rf_vals_bg_2523; |
| 1817 | } else if (rt2x00_rf(&rt2x00dev->chip, RF2524)) { |
| 1818 | spec->num_channels = ARRAY_SIZE(rf_vals_bg_2524); |
| 1819 | spec->channels = rf_vals_bg_2524; |
| 1820 | } else if (rt2x00_rf(&rt2x00dev->chip, RF2525)) { |
| 1821 | spec->num_channels = ARRAY_SIZE(rf_vals_bg_2525); |
| 1822 | spec->channels = rf_vals_bg_2525; |
| 1823 | } else if (rt2x00_rf(&rt2x00dev->chip, RF2525E)) { |
| 1824 | spec->num_channels = ARRAY_SIZE(rf_vals_bg_2525e); |
| 1825 | spec->channels = rf_vals_bg_2525e; |
| 1826 | } else if (rt2x00_rf(&rt2x00dev->chip, RF5222)) { |
Ivo van Doorn | 31562e8 | 2008-02-17 17:35:05 +0100 | [diff] [blame] | 1827 | spec->supported_bands |= SUPPORT_BAND_5GHZ; |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 1828 | spec->num_channels = ARRAY_SIZE(rf_vals_5222); |
| 1829 | spec->channels = rf_vals_5222; |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 1830 | } |
Ivo van Doorn | 8c5e7a5 | 2008-08-04 16:38:47 +0200 | [diff] [blame] | 1831 | |
| 1832 | /* |
| 1833 | * Create channel information array |
| 1834 | */ |
| 1835 | info = kzalloc(spec->num_channels * sizeof(*info), GFP_KERNEL); |
| 1836 | if (!info) |
| 1837 | return -ENOMEM; |
| 1838 | |
| 1839 | spec->channels_info = info; |
| 1840 | |
| 1841 | tx_power = rt2x00_eeprom_addr(rt2x00dev, EEPROM_TXPOWER_START); |
| 1842 | for (i = 0; i < 14; i++) |
| 1843 | info[i].tx_power1 = TXPOWER_FROM_DEV(tx_power[i]); |
| 1844 | |
| 1845 | if (spec->num_channels > 14) { |
| 1846 | for (i = 14; i < spec->num_channels; i++) |
| 1847 | info[i].tx_power1 = DEFAULT_TXPOWER; |
| 1848 | } |
| 1849 | |
| 1850 | return 0; |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 1851 | } |
| 1852 | |
| 1853 | static int rt2500usb_probe_hw(struct rt2x00_dev *rt2x00dev) |
| 1854 | { |
| 1855 | int retval; |
| 1856 | |
| 1857 | /* |
| 1858 | * Allocate eeprom data. |
| 1859 | */ |
| 1860 | retval = rt2500usb_validate_eeprom(rt2x00dev); |
| 1861 | if (retval) |
| 1862 | return retval; |
| 1863 | |
| 1864 | retval = rt2500usb_init_eeprom(rt2x00dev); |
| 1865 | if (retval) |
| 1866 | return retval; |
| 1867 | |
| 1868 | /* |
| 1869 | * Initialize hw specifications. |
| 1870 | */ |
Ivo van Doorn | 8c5e7a5 | 2008-08-04 16:38:47 +0200 | [diff] [blame] | 1871 | retval = rt2500usb_probe_hw_mode(rt2x00dev); |
| 1872 | if (retval) |
| 1873 | return retval; |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 1874 | |
| 1875 | /* |
Ivo van Doorn | 181d690 | 2008-02-05 16:42:23 -0500 | [diff] [blame] | 1876 | * This device requires the atim queue |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 1877 | */ |
Ivo van Doorn | 181d690 | 2008-02-05 16:42:23 -0500 | [diff] [blame] | 1878 | __set_bit(DRIVER_REQUIRE_ATIM_QUEUE, &rt2x00dev->flags); |
| 1879 | __set_bit(DRIVER_REQUIRE_BEACON_GUARD, &rt2x00dev->flags); |
Ivo van Doorn | 3a643d2 | 2008-03-25 14:13:18 +0100 | [diff] [blame] | 1880 | __set_bit(DRIVER_REQUIRE_SCHEDULED, &rt2x00dev->flags); |
Ivo van Doorn | dddfb47 | 2008-12-02 18:20:42 +0100 | [diff] [blame] | 1881 | if (!modparam_nohwcrypt) { |
| 1882 | __set_bit(CONFIG_SUPPORT_HW_CRYPTO, &rt2x00dev->flags); |
Ivo van Doorn | 3f787bd | 2008-12-20 10:56:36 +0100 | [diff] [blame] | 1883 | __set_bit(DRIVER_REQUIRE_COPY_IV, &rt2x00dev->flags); |
Ivo van Doorn | dddfb47 | 2008-12-02 18:20:42 +0100 | [diff] [blame] | 1884 | } |
Ivo van Doorn | d06193f | 2008-08-03 23:36:01 +0200 | [diff] [blame] | 1885 | __set_bit(CONFIG_DISABLE_LINK_TUNING, &rt2x00dev->flags); |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 1886 | |
| 1887 | /* |
| 1888 | * Set the rssi offset. |
| 1889 | */ |
| 1890 | rt2x00dev->rssi_offset = DEFAULT_RSSI_OFFSET; |
| 1891 | |
| 1892 | return 0; |
| 1893 | } |
| 1894 | |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 1895 | static const struct ieee80211_ops rt2500usb_mac80211_ops = { |
| 1896 | .tx = rt2x00mac_tx, |
Johannes Berg | 4150c57 | 2007-09-17 01:29:23 -0400 | [diff] [blame] | 1897 | .start = rt2x00mac_start, |
| 1898 | .stop = rt2x00mac_stop, |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 1899 | .add_interface = rt2x00mac_add_interface, |
| 1900 | .remove_interface = rt2x00mac_remove_interface, |
| 1901 | .config = rt2x00mac_config, |
Ivo van Doorn | 3a643d2 | 2008-03-25 14:13:18 +0100 | [diff] [blame] | 1902 | .configure_filter = rt2x00mac_configure_filter, |
Ivo van Doorn | dddfb47 | 2008-12-02 18:20:42 +0100 | [diff] [blame] | 1903 | .set_key = rt2x00mac_set_key, |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 1904 | .get_stats = rt2x00mac_get_stats, |
Johannes Berg | 471b3ef | 2007-12-28 14:32:58 +0100 | [diff] [blame] | 1905 | .bss_info_changed = rt2x00mac_bss_info_changed, |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 1906 | .conf_tx = rt2x00mac_conf_tx, |
| 1907 | .get_tx_stats = rt2x00mac_get_tx_stats, |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 1908 | }; |
| 1909 | |
| 1910 | static const struct rt2x00lib_ops rt2500usb_rt2x00_ops = { |
| 1911 | .probe_hw = rt2500usb_probe_hw, |
| 1912 | .initialize = rt2x00usb_initialize, |
| 1913 | .uninitialize = rt2x00usb_uninitialize, |
Ivo van Doorn | 798b7ad | 2008-11-08 15:25:33 +0100 | [diff] [blame] | 1914 | .clear_entry = rt2x00usb_clear_entry, |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 1915 | .set_device_state = rt2500usb_set_device_state, |
Ivo van Doorn | 7396faf | 2008-12-20 10:55:57 +0100 | [diff] [blame] | 1916 | .rfkill_poll = rt2500usb_rfkill_poll, |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 1917 | .link_stats = rt2500usb_link_stats, |
| 1918 | .reset_tuner = rt2500usb_reset_tuner, |
| 1919 | .link_tuner = rt2500usb_link_tuner, |
| 1920 | .write_tx_desc = rt2500usb_write_tx_desc, |
| 1921 | .write_tx_data = rt2x00usb_write_tx_data, |
Ivo van Doorn | bd88a78 | 2008-07-09 15:12:44 +0200 | [diff] [blame] | 1922 | .write_beacon = rt2500usb_write_beacon, |
Ivo van Doorn | dd9fa2d | 2007-10-06 14:15:46 +0200 | [diff] [blame] | 1923 | .get_tx_data_len = rt2500usb_get_tx_data_len, |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 1924 | .kick_tx_queue = rt2500usb_kick_tx_queue, |
Ivo van Doorn | a2c9b65 | 2009-01-28 00:32:33 +0100 | [diff] [blame] | 1925 | .kill_tx_queue = rt2x00usb_kill_tx_queue, |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 1926 | .fill_rxdone = rt2500usb_fill_rxdone, |
Ivo van Doorn | dddfb47 | 2008-12-02 18:20:42 +0100 | [diff] [blame] | 1927 | .config_shared_key = rt2500usb_config_key, |
| 1928 | .config_pairwise_key = rt2500usb_config_key, |
Ivo van Doorn | 3a643d2 | 2008-03-25 14:13:18 +0100 | [diff] [blame] | 1929 | .config_filter = rt2500usb_config_filter, |
Ivo van Doorn | 6bb40dd | 2008-02-03 15:49:59 +0100 | [diff] [blame] | 1930 | .config_intf = rt2500usb_config_intf, |
Ivo van Doorn | 7281037 | 2008-03-09 22:46:18 +0100 | [diff] [blame] | 1931 | .config_erp = rt2500usb_config_erp, |
Ivo van Doorn | e4ea1c4 | 2008-10-29 17:17:57 +0100 | [diff] [blame] | 1932 | .config_ant = rt2500usb_config_ant, |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 1933 | .config = rt2500usb_config, |
| 1934 | }; |
| 1935 | |
Ivo van Doorn | 181d690 | 2008-02-05 16:42:23 -0500 | [diff] [blame] | 1936 | static const struct data_queue_desc rt2500usb_queue_rx = { |
| 1937 | .entry_num = RX_ENTRIES, |
| 1938 | .data_size = DATA_FRAME_SIZE, |
| 1939 | .desc_size = RXD_DESC_SIZE, |
Ivo van Doorn | b8be63f | 2008-05-10 13:46:03 +0200 | [diff] [blame] | 1940 | .priv_size = sizeof(struct queue_entry_priv_usb), |
Ivo van Doorn | 181d690 | 2008-02-05 16:42:23 -0500 | [diff] [blame] | 1941 | }; |
| 1942 | |
| 1943 | static const struct data_queue_desc rt2500usb_queue_tx = { |
| 1944 | .entry_num = TX_ENTRIES, |
| 1945 | .data_size = DATA_FRAME_SIZE, |
| 1946 | .desc_size = TXD_DESC_SIZE, |
Ivo van Doorn | b8be63f | 2008-05-10 13:46:03 +0200 | [diff] [blame] | 1947 | .priv_size = sizeof(struct queue_entry_priv_usb), |
Ivo van Doorn | 181d690 | 2008-02-05 16:42:23 -0500 | [diff] [blame] | 1948 | }; |
| 1949 | |
| 1950 | static const struct data_queue_desc rt2500usb_queue_bcn = { |
| 1951 | .entry_num = BEACON_ENTRIES, |
| 1952 | .data_size = MGMT_FRAME_SIZE, |
| 1953 | .desc_size = TXD_DESC_SIZE, |
| 1954 | .priv_size = sizeof(struct queue_entry_priv_usb_bcn), |
| 1955 | }; |
| 1956 | |
| 1957 | static const struct data_queue_desc rt2500usb_queue_atim = { |
| 1958 | .entry_num = ATIM_ENTRIES, |
| 1959 | .data_size = DATA_FRAME_SIZE, |
| 1960 | .desc_size = TXD_DESC_SIZE, |
Ivo van Doorn | b8be63f | 2008-05-10 13:46:03 +0200 | [diff] [blame] | 1961 | .priv_size = sizeof(struct queue_entry_priv_usb), |
Ivo van Doorn | 181d690 | 2008-02-05 16:42:23 -0500 | [diff] [blame] | 1962 | }; |
| 1963 | |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 1964 | static const struct rt2x00_ops rt2500usb_ops = { |
Ivo van Doorn | 2360157 | 2007-11-27 21:47:34 +0100 | [diff] [blame] | 1965 | .name = KBUILD_MODNAME, |
Ivo van Doorn | 6bb40dd | 2008-02-03 15:49:59 +0100 | [diff] [blame] | 1966 | .max_sta_intf = 1, |
| 1967 | .max_ap_intf = 1, |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 1968 | .eeprom_size = EEPROM_SIZE, |
| 1969 | .rf_size = RF_SIZE, |
Gertjan van Wingerde | 61448f8 | 2008-05-10 13:43:33 +0200 | [diff] [blame] | 1970 | .tx_queues = NUM_TX_QUEUES, |
Ivo van Doorn | 181d690 | 2008-02-05 16:42:23 -0500 | [diff] [blame] | 1971 | .rx = &rt2500usb_queue_rx, |
| 1972 | .tx = &rt2500usb_queue_tx, |
| 1973 | .bcn = &rt2500usb_queue_bcn, |
| 1974 | .atim = &rt2500usb_queue_atim, |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 1975 | .lib = &rt2500usb_rt2x00_ops, |
| 1976 | .hw = &rt2500usb_mac80211_ops, |
| 1977 | #ifdef CONFIG_RT2X00_LIB_DEBUGFS |
| 1978 | .debugfs = &rt2500usb_rt2x00debug, |
| 1979 | #endif /* CONFIG_RT2X00_LIB_DEBUGFS */ |
| 1980 | }; |
| 1981 | |
| 1982 | /* |
| 1983 | * rt2500usb module information. |
| 1984 | */ |
| 1985 | static struct usb_device_id rt2500usb_device_table[] = { |
| 1986 | /* ASUS */ |
| 1987 | { USB_DEVICE(0x0b05, 0x1706), USB_DEVICE_DATA(&rt2500usb_ops) }, |
| 1988 | { USB_DEVICE(0x0b05, 0x1707), USB_DEVICE_DATA(&rt2500usb_ops) }, |
| 1989 | /* Belkin */ |
| 1990 | { USB_DEVICE(0x050d, 0x7050), USB_DEVICE_DATA(&rt2500usb_ops) }, |
| 1991 | { USB_DEVICE(0x050d, 0x7051), USB_DEVICE_DATA(&rt2500usb_ops) }, |
| 1992 | { USB_DEVICE(0x050d, 0x705a), USB_DEVICE_DATA(&rt2500usb_ops) }, |
| 1993 | /* Cisco Systems */ |
| 1994 | { USB_DEVICE(0x13b1, 0x000d), USB_DEVICE_DATA(&rt2500usb_ops) }, |
| 1995 | { USB_DEVICE(0x13b1, 0x0011), USB_DEVICE_DATA(&rt2500usb_ops) }, |
| 1996 | { USB_DEVICE(0x13b1, 0x001a), USB_DEVICE_DATA(&rt2500usb_ops) }, |
Xose Vazquez Perez | 9eb77ab | 2009-02-28 00:26:09 +0100 | [diff] [blame] | 1997 | /* CNet */ |
| 1998 | { USB_DEVICE(0x1371, 0x9022), USB_DEVICE_DATA(&rt2500usb_ops) }, |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 1999 | /* Conceptronic */ |
| 2000 | { USB_DEVICE(0x14b2, 0x3c02), USB_DEVICE_DATA(&rt2500usb_ops) }, |
| 2001 | /* D-LINK */ |
| 2002 | { USB_DEVICE(0x2001, 0x3c00), USB_DEVICE_DATA(&rt2500usb_ops) }, |
| 2003 | /* Gigabyte */ |
| 2004 | { USB_DEVICE(0x1044, 0x8001), USB_DEVICE_DATA(&rt2500usb_ops) }, |
| 2005 | { USB_DEVICE(0x1044, 0x8007), USB_DEVICE_DATA(&rt2500usb_ops) }, |
| 2006 | /* Hercules */ |
| 2007 | { USB_DEVICE(0x06f8, 0xe000), USB_DEVICE_DATA(&rt2500usb_ops) }, |
| 2008 | /* Melco */ |
Ivo van Doorn | db433fe | 2008-02-10 11:21:57 +0100 | [diff] [blame] | 2009 | { USB_DEVICE(0x0411, 0x005e), USB_DEVICE_DATA(&rt2500usb_ops) }, |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 2010 | { USB_DEVICE(0x0411, 0x0066), USB_DEVICE_DATA(&rt2500usb_ops) }, |
| 2011 | { USB_DEVICE(0x0411, 0x0067), USB_DEVICE_DATA(&rt2500usb_ops) }, |
| 2012 | { USB_DEVICE(0x0411, 0x008b), USB_DEVICE_DATA(&rt2500usb_ops) }, |
| 2013 | { USB_DEVICE(0x0411, 0x0097), USB_DEVICE_DATA(&rt2500usb_ops) }, |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 2014 | /* MSI */ |
| 2015 | { USB_DEVICE(0x0db0, 0x6861), USB_DEVICE_DATA(&rt2500usb_ops) }, |
| 2016 | { USB_DEVICE(0x0db0, 0x6865), USB_DEVICE_DATA(&rt2500usb_ops) }, |
| 2017 | { USB_DEVICE(0x0db0, 0x6869), USB_DEVICE_DATA(&rt2500usb_ops) }, |
| 2018 | /* Ralink */ |
| 2019 | { USB_DEVICE(0x148f, 0x1706), USB_DEVICE_DATA(&rt2500usb_ops) }, |
| 2020 | { USB_DEVICE(0x148f, 0x2570), USB_DEVICE_DATA(&rt2500usb_ops) }, |
| 2021 | { USB_DEVICE(0x148f, 0x2573), USB_DEVICE_DATA(&rt2500usb_ops) }, |
| 2022 | { USB_DEVICE(0x148f, 0x9020), USB_DEVICE_DATA(&rt2500usb_ops) }, |
Xose Vazquez Perez | 9eb77ab | 2009-02-28 00:26:09 +0100 | [diff] [blame] | 2023 | /* Sagem */ |
| 2024 | { USB_DEVICE(0x079b, 0x004b), USB_DEVICE_DATA(&rt2500usb_ops) }, |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 2025 | /* Siemens */ |
| 2026 | { USB_DEVICE(0x0681, 0x3c06), USB_DEVICE_DATA(&rt2500usb_ops) }, |
| 2027 | /* SMC */ |
| 2028 | { USB_DEVICE(0x0707, 0xee13), USB_DEVICE_DATA(&rt2500usb_ops) }, |
| 2029 | /* Spairon */ |
| 2030 | { USB_DEVICE(0x114b, 0x0110), USB_DEVICE_DATA(&rt2500usb_ops) }, |
Xose Vazquez Perez | 9eb77ab | 2009-02-28 00:26:09 +0100 | [diff] [blame] | 2031 | /* SURECOM */ |
| 2032 | { USB_DEVICE(0x0769, 0x11f3), USB_DEVICE_DATA(&rt2500usb_ops) }, |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 2033 | /* Trust */ |
| 2034 | { USB_DEVICE(0x0eb0, 0x9020), USB_DEVICE_DATA(&rt2500usb_ops) }, |
Xose Vazquez Perez | 9eb77ab | 2009-02-28 00:26:09 +0100 | [diff] [blame] | 2035 | /* VTech */ |
| 2036 | { USB_DEVICE(0x0f88, 0x3012), USB_DEVICE_DATA(&rt2500usb_ops) }, |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 2037 | /* Zinwell */ |
| 2038 | { USB_DEVICE(0x5a57, 0x0260), USB_DEVICE_DATA(&rt2500usb_ops) }, |
| 2039 | { 0, } |
| 2040 | }; |
| 2041 | |
| 2042 | MODULE_AUTHOR(DRV_PROJECT); |
| 2043 | MODULE_VERSION(DRV_VERSION); |
| 2044 | MODULE_DESCRIPTION("Ralink RT2500 USB Wireless LAN driver."); |
| 2045 | MODULE_SUPPORTED_DEVICE("Ralink RT2570 USB chipset based cards"); |
| 2046 | MODULE_DEVICE_TABLE(usb, rt2500usb_device_table); |
| 2047 | MODULE_LICENSE("GPL"); |
| 2048 | |
| 2049 | static struct usb_driver rt2500usb_driver = { |
Ivo van Doorn | 2360157 | 2007-11-27 21:47:34 +0100 | [diff] [blame] | 2050 | .name = KBUILD_MODNAME, |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 2051 | .id_table = rt2500usb_device_table, |
| 2052 | .probe = rt2x00usb_probe, |
| 2053 | .disconnect = rt2x00usb_disconnect, |
| 2054 | .suspend = rt2x00usb_suspend, |
| 2055 | .resume = rt2x00usb_resume, |
| 2056 | }; |
| 2057 | |
| 2058 | static int __init rt2500usb_init(void) |
| 2059 | { |
| 2060 | return usb_register(&rt2500usb_driver); |
| 2061 | } |
| 2062 | |
| 2063 | static void __exit rt2500usb_exit(void) |
| 2064 | { |
| 2065 | usb_deregister(&rt2500usb_driver); |
| 2066 | } |
| 2067 | |
| 2068 | module_init(rt2500usb_init); |
| 2069 | module_exit(rt2500usb_exit); |