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authorBartlomiej Zolnierkiewicz <bzolnier@gmail.com>2009-11-04 12:36:57 -0500
committerJohn W. Linville <linville@tuxdriver.com>2009-11-06 16:49:02 -0500
commitfcf5154118849cca3cdf424e83f863225d8173e7 (patch)
tree93cd91c94c13ca099533582e676f4591445ba370 /drivers/net/wireless/rt2x00/rt2800lib.c
parent1f285f1423e456cfa14331987782edeca64d8e70 (diff)
rt2800: add rt2800lib (part three)
Code unification. Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com> Acked-by: Ivo van Doorn <IvDoorn@gmail.com> Acked-by: Gertjan van Wingerde <gwingerde@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless/rt2x00/rt2800lib.c')
-rw-r--r--drivers/net/wireless/rt2x00/rt2800lib.c614
1 files changed, 599 insertions, 15 deletions
diff --git a/drivers/net/wireless/rt2x00/rt2800lib.c b/drivers/net/wireless/rt2x00/rt2800lib.c
index ba88d643edd3..ddd53c02be7a 100644
--- a/drivers/net/wireless/rt2x00/rt2800lib.c
+++ b/drivers/net/wireless/rt2x00/rt2800lib.c
@@ -31,8 +31,12 @@
31#include <linux/module.h> 31#include <linux/module.h>
32 32
33#include "rt2x00.h" 33#include "rt2x00.h"
34#ifdef CONFIG_RT2800USB
35#include "rt2x00usb.h"
36#endif
34#include "rt2800lib.h" 37#include "rt2800lib.h"
35#include "rt2800.h" 38#include "rt2800.h"
39#include "rt2800usb.h"
36 40
37MODULE_AUTHOR("Bartlomiej Zolnierkiewicz"); 41MODULE_AUTHOR("Bartlomiej Zolnierkiewicz");
38MODULE_DESCRIPTION("rt2800 library"); 42MODULE_DESCRIPTION("rt2800 library");
@@ -62,8 +66,8 @@ MODULE_LICENSE("GPL");
62 rt2800_regbusy_read((__dev), H2M_MAILBOX_CSR, \ 66 rt2800_regbusy_read((__dev), H2M_MAILBOX_CSR, \
63 H2M_MAILBOX_CSR_OWNER, (__reg)) 67 H2M_MAILBOX_CSR_OWNER, (__reg))
64 68
65void rt2800_bbp_write(struct rt2x00_dev *rt2x00dev, 69static void rt2800_bbp_write(struct rt2x00_dev *rt2x00dev,
66 const unsigned int word, const u8 value) 70 const unsigned int word, const u8 value)
67{ 71{
68 u32 reg; 72 u32 reg;
69 73
@@ -87,10 +91,9 @@ void rt2800_bbp_write(struct rt2x00_dev *rt2x00dev,
87 91
88 mutex_unlock(&rt2x00dev->csr_mutex); 92 mutex_unlock(&rt2x00dev->csr_mutex);
89} 93}
90EXPORT_SYMBOL_GPL(rt2800_bbp_write);
91 94
92void rt2800_bbp_read(struct rt2x00_dev *rt2x00dev, 95static void rt2800_bbp_read(struct rt2x00_dev *rt2x00dev,
93 const unsigned int word, u8 *value) 96 const unsigned int word, u8 *value)
94{ 97{
95 u32 reg; 98 u32 reg;
96 99
@@ -121,10 +124,9 @@ void rt2800_bbp_read(struct rt2x00_dev *rt2x00dev,
121 124
122 mutex_unlock(&rt2x00dev->csr_mutex); 125 mutex_unlock(&rt2x00dev->csr_mutex);
123} 126}
124EXPORT_SYMBOL_GPL(rt2800_bbp_read);
125 127
126void rt2800_rfcsr_write(struct rt2x00_dev *rt2x00dev, 128static void rt2800_rfcsr_write(struct rt2x00_dev *rt2x00dev,
127 const unsigned int word, const u8 value) 129 const unsigned int word, const u8 value)
128{ 130{
129 u32 reg; 131 u32 reg;
130 132
@@ -146,10 +148,9 @@ void rt2800_rfcsr_write(struct rt2x00_dev *rt2x00dev,
146 148
147 mutex_unlock(&rt2x00dev->csr_mutex); 149 mutex_unlock(&rt2x00dev->csr_mutex);
148} 150}
149EXPORT_SYMBOL_GPL(rt2800_rfcsr_write);
150 151
151void rt2800_rfcsr_read(struct rt2x00_dev *rt2x00dev, 152static void rt2800_rfcsr_read(struct rt2x00_dev *rt2x00dev,
152 const unsigned int word, u8 *value) 153 const unsigned int word, u8 *value)
153{ 154{
154 u32 reg; 155 u32 reg;
155 156
@@ -178,10 +179,9 @@ void rt2800_rfcsr_read(struct rt2x00_dev *rt2x00dev,
178 179
179 mutex_unlock(&rt2x00dev->csr_mutex); 180 mutex_unlock(&rt2x00dev->csr_mutex);
180} 181}
181EXPORT_SYMBOL_GPL(rt2800_rfcsr_read);
182 182
183void rt2800_rf_write(struct rt2x00_dev *rt2x00dev, 183static void rt2800_rf_write(struct rt2x00_dev *rt2x00dev,
184 const unsigned int word, const u32 value) 184 const unsigned int word, const u32 value)
185{ 185{
186 u32 reg; 186 u32 reg;
187 187
@@ -204,7 +204,6 @@ void rt2800_rf_write(struct rt2x00_dev *rt2x00dev,
204 204
205 mutex_unlock(&rt2x00dev->csr_mutex); 205 mutex_unlock(&rt2x00dev->csr_mutex);
206} 206}
207EXPORT_SYMBOL_GPL(rt2800_rf_write);
208 207
209void rt2800_mcu_request(struct rt2x00_dev *rt2x00dev, 208void rt2800_mcu_request(struct rt2x00_dev *rt2x00dev,
210 const u8 command, const u8 token, 209 const u8 command, const u8 token,
@@ -1074,3 +1073,588 @@ void rt2800_link_tuner(struct rt2x00_dev *rt2x00dev, struct link_qual *qual,
1074 ((qual->rssi > -80) * 0x10)); 1073 ((qual->rssi > -80) * 0x10));
1075} 1074}
1076EXPORT_SYMBOL_GPL(rt2800_link_tuner); 1075EXPORT_SYMBOL_GPL(rt2800_link_tuner);
1076
1077/*
1078 * Initialization functions.
1079 */
1080int rt2800_init_registers(struct rt2x00_dev *rt2x00dev)
1081{
1082 u32 reg;
1083 unsigned int i;
1084
1085 if (rt2x00_intf_is_usb(rt2x00dev)) {
1086 /*
1087 * Wait untill BBP and RF are ready.
1088 */
1089 for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
1090 rt2800_register_read(rt2x00dev, MAC_CSR0, &reg);
1091 if (reg && reg != ~0)
1092 break;
1093 msleep(1);
1094 }
1095
1096 if (i == REGISTER_BUSY_COUNT) {
1097 ERROR(rt2x00dev, "Unstable hardware.\n");
1098 return -EBUSY;
1099 }
1100
1101 rt2800_register_read(rt2x00dev, PBF_SYS_CTRL, &reg);
1102 rt2800_register_write(rt2x00dev, PBF_SYS_CTRL,
1103 reg & ~0x00002000);
1104 } else if (rt2x00_intf_is_pci(rt2x00dev))
1105 rt2800_register_write(rt2x00dev, PWR_PIN_CFG, 0x00000003);
1106
1107 rt2800_register_read(rt2x00dev, MAC_SYS_CTRL, &reg);
1108 rt2x00_set_field32(&reg, MAC_SYS_CTRL_RESET_CSR, 1);
1109 rt2x00_set_field32(&reg, MAC_SYS_CTRL_RESET_BBP, 1);
1110 rt2800_register_write(rt2x00dev, MAC_SYS_CTRL, reg);
1111
1112 if (rt2x00_intf_is_usb(rt2x00dev)) {
1113 rt2800_register_write(rt2x00dev, USB_DMA_CFG, 0x00000000);
1114#ifdef CONFIG_RT2800USB
1115 rt2x00usb_vendor_request_sw(rt2x00dev, USB_DEVICE_MODE, 0,
1116 USB_MODE_RESET, REGISTER_TIMEOUT);
1117#endif
1118 }
1119
1120 rt2800_register_write(rt2x00dev, MAC_SYS_CTRL, 0x00000000);
1121
1122 rt2800_register_read(rt2x00dev, BCN_OFFSET0, &reg);
1123 rt2x00_set_field32(&reg, BCN_OFFSET0_BCN0, 0xe0); /* 0x3800 */
1124 rt2x00_set_field32(&reg, BCN_OFFSET0_BCN1, 0xe8); /* 0x3a00 */
1125 rt2x00_set_field32(&reg, BCN_OFFSET0_BCN2, 0xf0); /* 0x3c00 */
1126 rt2x00_set_field32(&reg, BCN_OFFSET0_BCN3, 0xf8); /* 0x3e00 */
1127 rt2800_register_write(rt2x00dev, BCN_OFFSET0, reg);
1128
1129 rt2800_register_read(rt2x00dev, BCN_OFFSET1, &reg);
1130 rt2x00_set_field32(&reg, BCN_OFFSET1_BCN4, 0xc8); /* 0x3200 */
1131 rt2x00_set_field32(&reg, BCN_OFFSET1_BCN5, 0xd0); /* 0x3400 */
1132 rt2x00_set_field32(&reg, BCN_OFFSET1_BCN6, 0x77); /* 0x1dc0 */
1133 rt2x00_set_field32(&reg, BCN_OFFSET1_BCN7, 0x6f); /* 0x1bc0 */
1134 rt2800_register_write(rt2x00dev, BCN_OFFSET1, reg);
1135
1136 rt2800_register_write(rt2x00dev, LEGACY_BASIC_RATE, 0x0000013f);
1137 rt2800_register_write(rt2x00dev, HT_BASIC_RATE, 0x00008003);
1138
1139 rt2800_register_write(rt2x00dev, MAC_SYS_CTRL, 0x00000000);
1140
1141 rt2800_register_read(rt2x00dev, BCN_TIME_CFG, &reg);
1142 rt2x00_set_field32(&reg, BCN_TIME_CFG_BEACON_INTERVAL, 0);
1143 rt2x00_set_field32(&reg, BCN_TIME_CFG_TSF_TICKING, 0);
1144 rt2x00_set_field32(&reg, BCN_TIME_CFG_TSF_SYNC, 0);
1145 rt2x00_set_field32(&reg, BCN_TIME_CFG_TBTT_ENABLE, 0);
1146 rt2x00_set_field32(&reg, BCN_TIME_CFG_BEACON_GEN, 0);
1147 rt2x00_set_field32(&reg, BCN_TIME_CFG_TX_TIME_COMPENSATE, 0);
1148 rt2800_register_write(rt2x00dev, BCN_TIME_CFG, reg);
1149
1150 if (rt2x00_intf_is_usb(rt2x00dev) &&
1151 rt2x00_rev(&rt2x00dev->chip) == RT3070_VERSION) {
1152 rt2800_register_write(rt2x00dev, TX_SW_CFG0, 0x00000400);
1153 rt2800_register_write(rt2x00dev, TX_SW_CFG1, 0x00000000);
1154 rt2800_register_write(rt2x00dev, TX_SW_CFG2, 0x00000000);
1155 } else {
1156 rt2800_register_write(rt2x00dev, TX_SW_CFG0, 0x00000000);
1157 rt2800_register_write(rt2x00dev, TX_SW_CFG1, 0x00080606);
1158 }
1159
1160 rt2800_register_read(rt2x00dev, TX_LINK_CFG, &reg);
1161 rt2x00_set_field32(&reg, TX_LINK_CFG_REMOTE_MFB_LIFETIME, 32);
1162 rt2x00_set_field32(&reg, TX_LINK_CFG_MFB_ENABLE, 0);
1163 rt2x00_set_field32(&reg, TX_LINK_CFG_REMOTE_UMFS_ENABLE, 0);
1164 rt2x00_set_field32(&reg, TX_LINK_CFG_TX_MRQ_EN, 0);
1165 rt2x00_set_field32(&reg, TX_LINK_CFG_TX_RDG_EN, 0);
1166 rt2x00_set_field32(&reg, TX_LINK_CFG_TX_CF_ACK_EN, 1);
1167 rt2x00_set_field32(&reg, TX_LINK_CFG_REMOTE_MFB, 0);
1168 rt2x00_set_field32(&reg, TX_LINK_CFG_REMOTE_MFS, 0);
1169 rt2800_register_write(rt2x00dev, TX_LINK_CFG, reg);
1170
1171 rt2800_register_read(rt2x00dev, TX_TIMEOUT_CFG, &reg);
1172 rt2x00_set_field32(&reg, TX_TIMEOUT_CFG_MPDU_LIFETIME, 9);
1173 rt2x00_set_field32(&reg, TX_TIMEOUT_CFG_TX_OP_TIMEOUT, 10);
1174 rt2800_register_write(rt2x00dev, TX_TIMEOUT_CFG, reg);
1175
1176 rt2800_register_read(rt2x00dev, MAX_LEN_CFG, &reg);
1177 rt2x00_set_field32(&reg, MAX_LEN_CFG_MAX_MPDU, AGGREGATION_SIZE);
1178 if (rt2x00_rev(&rt2x00dev->chip) >= RT2880E_VERSION &&
1179 rt2x00_rev(&rt2x00dev->chip) < RT3070_VERSION)
1180 rt2x00_set_field32(&reg, MAX_LEN_CFG_MAX_PSDU, 2);
1181 else
1182 rt2x00_set_field32(&reg, MAX_LEN_CFG_MAX_PSDU, 1);
1183 rt2x00_set_field32(&reg, MAX_LEN_CFG_MIN_PSDU, 0);
1184 rt2x00_set_field32(&reg, MAX_LEN_CFG_MIN_MPDU, 0);
1185 rt2800_register_write(rt2x00dev, MAX_LEN_CFG, reg);
1186
1187 rt2800_register_write(rt2x00dev, PBF_MAX_PCNT, 0x1f3fbf9f);
1188
1189 rt2800_register_read(rt2x00dev, AUTO_RSP_CFG, &reg);
1190 rt2x00_set_field32(&reg, AUTO_RSP_CFG_AUTORESPONDER, 1);
1191 rt2x00_set_field32(&reg, AUTO_RSP_CFG_CTS_40_MMODE, 0);
1192 rt2x00_set_field32(&reg, AUTO_RSP_CFG_CTS_40_MREF, 0);
1193 rt2x00_set_field32(&reg, AUTO_RSP_CFG_DUAL_CTS_EN, 0);
1194 rt2x00_set_field32(&reg, AUTO_RSP_CFG_ACK_CTS_PSM_BIT, 0);
1195 rt2800_register_write(rt2x00dev, AUTO_RSP_CFG, reg);
1196
1197 rt2800_register_read(rt2x00dev, CCK_PROT_CFG, &reg);
1198 rt2x00_set_field32(&reg, CCK_PROT_CFG_PROTECT_RATE, 8);
1199 rt2x00_set_field32(&reg, CCK_PROT_CFG_PROTECT_CTRL, 0);
1200 rt2x00_set_field32(&reg, CCK_PROT_CFG_PROTECT_NAV, 1);
1201 rt2x00_set_field32(&reg, CCK_PROT_CFG_TX_OP_ALLOW_CCK, 1);
1202 rt2x00_set_field32(&reg, CCK_PROT_CFG_TX_OP_ALLOW_OFDM, 1);
1203 rt2x00_set_field32(&reg, CCK_PROT_CFG_TX_OP_ALLOW_MM20, 1);
1204 rt2x00_set_field32(&reg, CCK_PROT_CFG_TX_OP_ALLOW_MM40, 1);
1205 rt2x00_set_field32(&reg, CCK_PROT_CFG_TX_OP_ALLOW_GF20, 1);
1206 rt2x00_set_field32(&reg, CCK_PROT_CFG_TX_OP_ALLOW_GF40, 1);
1207 rt2800_register_write(rt2x00dev, CCK_PROT_CFG, reg);
1208
1209 rt2800_register_read(rt2x00dev, OFDM_PROT_CFG, &reg);
1210 rt2x00_set_field32(&reg, OFDM_PROT_CFG_PROTECT_RATE, 8);
1211 rt2x00_set_field32(&reg, OFDM_PROT_CFG_PROTECT_CTRL, 0);
1212 rt2x00_set_field32(&reg, OFDM_PROT_CFG_PROTECT_NAV, 1);
1213 rt2x00_set_field32(&reg, OFDM_PROT_CFG_TX_OP_ALLOW_CCK, 1);
1214 rt2x00_set_field32(&reg, OFDM_PROT_CFG_TX_OP_ALLOW_OFDM, 1);
1215 rt2x00_set_field32(&reg, OFDM_PROT_CFG_TX_OP_ALLOW_MM20, 1);
1216 rt2x00_set_field32(&reg, OFDM_PROT_CFG_TX_OP_ALLOW_MM40, 1);
1217 rt2x00_set_field32(&reg, OFDM_PROT_CFG_TX_OP_ALLOW_GF20, 1);
1218 rt2x00_set_field32(&reg, OFDM_PROT_CFG_TX_OP_ALLOW_GF40, 1);
1219 rt2800_register_write(rt2x00dev, OFDM_PROT_CFG, reg);
1220
1221 rt2800_register_read(rt2x00dev, MM20_PROT_CFG, &reg);
1222 rt2x00_set_field32(&reg, MM20_PROT_CFG_PROTECT_RATE, 0x4004);
1223 rt2x00_set_field32(&reg, MM20_PROT_CFG_PROTECT_CTRL, 0);
1224 rt2x00_set_field32(&reg, MM20_PROT_CFG_PROTECT_NAV, 1);
1225 rt2x00_set_field32(&reg, MM20_PROT_CFG_TX_OP_ALLOW_CCK, 1);
1226 rt2x00_set_field32(&reg, MM20_PROT_CFG_TX_OP_ALLOW_OFDM, 1);
1227 rt2x00_set_field32(&reg, MM20_PROT_CFG_TX_OP_ALLOW_MM20, 1);
1228 rt2x00_set_field32(&reg, MM20_PROT_CFG_TX_OP_ALLOW_MM40, 0);
1229 rt2x00_set_field32(&reg, MM20_PROT_CFG_TX_OP_ALLOW_GF20, 1);
1230 rt2x00_set_field32(&reg, MM20_PROT_CFG_TX_OP_ALLOW_GF40, 0);
1231 rt2800_register_write(rt2x00dev, MM20_PROT_CFG, reg);
1232
1233 rt2800_register_read(rt2x00dev, MM40_PROT_CFG, &reg);
1234 rt2x00_set_field32(&reg, MM40_PROT_CFG_PROTECT_RATE, 0x4084);
1235 rt2x00_set_field32(&reg, MM40_PROT_CFG_PROTECT_CTRL, 0);
1236 rt2x00_set_field32(&reg, MM40_PROT_CFG_PROTECT_NAV, 1);
1237 rt2x00_set_field32(&reg, MM40_PROT_CFG_TX_OP_ALLOW_CCK, 1);
1238 rt2x00_set_field32(&reg, MM40_PROT_CFG_TX_OP_ALLOW_OFDM, 1);
1239 rt2x00_set_field32(&reg, MM40_PROT_CFG_TX_OP_ALLOW_MM20, 1);
1240 rt2x00_set_field32(&reg, MM40_PROT_CFG_TX_OP_ALLOW_MM40, 1);
1241 rt2x00_set_field32(&reg, MM40_PROT_CFG_TX_OP_ALLOW_GF20, 1);
1242 rt2x00_set_field32(&reg, MM40_PROT_CFG_TX_OP_ALLOW_GF40, 1);
1243 rt2800_register_write(rt2x00dev, MM40_PROT_CFG, reg);
1244
1245 rt2800_register_read(rt2x00dev, GF20_PROT_CFG, &reg);
1246 rt2x00_set_field32(&reg, GF20_PROT_CFG_PROTECT_RATE, 0x4004);
1247 rt2x00_set_field32(&reg, GF20_PROT_CFG_PROTECT_CTRL, 0);
1248 rt2x00_set_field32(&reg, GF20_PROT_CFG_PROTECT_NAV, 1);
1249 rt2x00_set_field32(&reg, GF20_PROT_CFG_TX_OP_ALLOW_CCK, 1);
1250 rt2x00_set_field32(&reg, GF20_PROT_CFG_TX_OP_ALLOW_OFDM, 1);
1251 rt2x00_set_field32(&reg, GF20_PROT_CFG_TX_OP_ALLOW_MM20, 1);
1252 rt2x00_set_field32(&reg, GF20_PROT_CFG_TX_OP_ALLOW_MM40, 0);
1253 rt2x00_set_field32(&reg, GF20_PROT_CFG_TX_OP_ALLOW_GF20, 1);
1254 rt2x00_set_field32(&reg, GF20_PROT_CFG_TX_OP_ALLOW_GF40, 0);
1255 rt2800_register_write(rt2x00dev, GF20_PROT_CFG, reg);
1256
1257 rt2800_register_read(rt2x00dev, GF40_PROT_CFG, &reg);
1258 rt2x00_set_field32(&reg, GF40_PROT_CFG_PROTECT_RATE, 0x4084);
1259 rt2x00_set_field32(&reg, GF40_PROT_CFG_PROTECT_CTRL, 0);
1260 rt2x00_set_field32(&reg, GF40_PROT_CFG_PROTECT_NAV, 1);
1261 rt2x00_set_field32(&reg, GF40_PROT_CFG_TX_OP_ALLOW_CCK, 1);
1262 rt2x00_set_field32(&reg, GF40_PROT_CFG_TX_OP_ALLOW_OFDM, 1);
1263 rt2x00_set_field32(&reg, GF40_PROT_CFG_TX_OP_ALLOW_MM20, 1);
1264 rt2x00_set_field32(&reg, GF40_PROT_CFG_TX_OP_ALLOW_MM40, 1);
1265 rt2x00_set_field32(&reg, GF40_PROT_CFG_TX_OP_ALLOW_GF20, 1);
1266 rt2x00_set_field32(&reg, GF40_PROT_CFG_TX_OP_ALLOW_GF40, 1);
1267 rt2800_register_write(rt2x00dev, GF40_PROT_CFG, reg);
1268
1269 if (rt2x00_intf_is_usb(rt2x00dev)) {
1270 rt2800_register_write(rt2x00dev, PBF_CFG, 0xf40006);
1271
1272 rt2800_register_read(rt2x00dev, WPDMA_GLO_CFG, &reg);
1273 rt2x00_set_field32(&reg, WPDMA_GLO_CFG_ENABLE_TX_DMA, 0);
1274 rt2x00_set_field32(&reg, WPDMA_GLO_CFG_TX_DMA_BUSY, 0);
1275 rt2x00_set_field32(&reg, WPDMA_GLO_CFG_ENABLE_RX_DMA, 0);
1276 rt2x00_set_field32(&reg, WPDMA_GLO_CFG_RX_DMA_BUSY, 0);
1277 rt2x00_set_field32(&reg, WPDMA_GLO_CFG_WP_DMA_BURST_SIZE, 3);
1278 rt2x00_set_field32(&reg, WPDMA_GLO_CFG_TX_WRITEBACK_DONE, 0);
1279 rt2x00_set_field32(&reg, WPDMA_GLO_CFG_BIG_ENDIAN, 0);
1280 rt2x00_set_field32(&reg, WPDMA_GLO_CFG_RX_HDR_SCATTER, 0);
1281 rt2x00_set_field32(&reg, WPDMA_GLO_CFG_HDR_SEG_LEN, 0);
1282 rt2800_register_write(rt2x00dev, WPDMA_GLO_CFG, reg);
1283 }
1284
1285 rt2800_register_write(rt2x00dev, TXOP_CTRL_CFG, 0x0000583f);
1286 rt2800_register_write(rt2x00dev, TXOP_HLDR_ET, 0x00000002);
1287
1288 rt2800_register_read(rt2x00dev, TX_RTS_CFG, &reg);
1289 rt2x00_set_field32(&reg, TX_RTS_CFG_AUTO_RTS_RETRY_LIMIT, 32);
1290 rt2x00_set_field32(&reg, TX_RTS_CFG_RTS_THRES,
1291 IEEE80211_MAX_RTS_THRESHOLD);
1292 rt2x00_set_field32(&reg, TX_RTS_CFG_RTS_FBK_EN, 0);
1293 rt2800_register_write(rt2x00dev, TX_RTS_CFG, reg);
1294
1295 rt2800_register_write(rt2x00dev, EXP_ACK_TIME, 0x002400ca);
1296 rt2800_register_write(rt2x00dev, PWR_PIN_CFG, 0x00000003);
1297
1298 /*
1299 * ASIC will keep garbage value after boot, clear encryption keys.
1300 */
1301 for (i = 0; i < 4; i++)
1302 rt2800_register_write(rt2x00dev,
1303 SHARED_KEY_MODE_ENTRY(i), 0);
1304
1305 for (i = 0; i < 256; i++) {
1306 u32 wcid[2] = { 0xffffffff, 0x00ffffff };
1307 rt2800_register_multiwrite(rt2x00dev, MAC_WCID_ENTRY(i),
1308 wcid, sizeof(wcid));
1309
1310 rt2800_register_write(rt2x00dev, MAC_WCID_ATTR_ENTRY(i), 1);
1311 rt2800_register_write(rt2x00dev, MAC_IVEIV_ENTRY(i), 0);
1312 }
1313
1314 /*
1315 * Clear all beacons
1316 * For the Beacon base registers we only need to clear
1317 * the first byte since that byte contains the VALID and OWNER
1318 * bits which (when set to 0) will invalidate the entire beacon.
1319 */
1320 rt2800_register_write(rt2x00dev, HW_BEACON_BASE0, 0);
1321 rt2800_register_write(rt2x00dev, HW_BEACON_BASE1, 0);
1322 rt2800_register_write(rt2x00dev, HW_BEACON_BASE2, 0);
1323 rt2800_register_write(rt2x00dev, HW_BEACON_BASE3, 0);
1324 rt2800_register_write(rt2x00dev, HW_BEACON_BASE4, 0);
1325 rt2800_register_write(rt2x00dev, HW_BEACON_BASE5, 0);
1326 rt2800_register_write(rt2x00dev, HW_BEACON_BASE6, 0);
1327 rt2800_register_write(rt2x00dev, HW_BEACON_BASE7, 0);
1328
1329 if (rt2x00_intf_is_usb(rt2x00dev)) {
1330 rt2800_register_read(rt2x00dev, USB_CYC_CFG, &reg);
1331 rt2x00_set_field32(&reg, USB_CYC_CFG_CLOCK_CYCLE, 30);
1332 rt2800_register_write(rt2x00dev, USB_CYC_CFG, reg);
1333 }
1334
1335 rt2800_register_read(rt2x00dev, HT_FBK_CFG0, &reg);
1336 rt2x00_set_field32(&reg, HT_FBK_CFG0_HTMCS0FBK, 0);
1337 rt2x00_set_field32(&reg, HT_FBK_CFG0_HTMCS1FBK, 0);
1338 rt2x00_set_field32(&reg, HT_FBK_CFG0_HTMCS2FBK, 1);
1339 rt2x00_set_field32(&reg, HT_FBK_CFG0_HTMCS3FBK, 2);
1340 rt2x00_set_field32(&reg, HT_FBK_CFG0_HTMCS4FBK, 3);
1341 rt2x00_set_field32(&reg, HT_FBK_CFG0_HTMCS5FBK, 4);
1342 rt2x00_set_field32(&reg, HT_FBK_CFG0_HTMCS6FBK, 5);
1343 rt2x00_set_field32(&reg, HT_FBK_CFG0_HTMCS7FBK, 6);
1344 rt2800_register_write(rt2x00dev, HT_FBK_CFG0, reg);
1345
1346 rt2800_register_read(rt2x00dev, HT_FBK_CFG1, &reg);
1347 rt2x00_set_field32(&reg, HT_FBK_CFG1_HTMCS8FBK, 8);
1348 rt2x00_set_field32(&reg, HT_FBK_CFG1_HTMCS9FBK, 8);
1349 rt2x00_set_field32(&reg, HT_FBK_CFG1_HTMCS10FBK, 9);
1350 rt2x00_set_field32(&reg, HT_FBK_CFG1_HTMCS11FBK, 10);
1351 rt2x00_set_field32(&reg, HT_FBK_CFG1_HTMCS12FBK, 11);
1352 rt2x00_set_field32(&reg, HT_FBK_CFG1_HTMCS13FBK, 12);
1353 rt2x00_set_field32(&reg, HT_FBK_CFG1_HTMCS14FBK, 13);
1354 rt2x00_set_field32(&reg, HT_FBK_CFG1_HTMCS15FBK, 14);
1355 rt2800_register_write(rt2x00dev, HT_FBK_CFG1, reg);
1356
1357 rt2800_register_read(rt2x00dev, LG_FBK_CFG0, &reg);
1358 rt2x00_set_field32(&reg, LG_FBK_CFG0_OFDMMCS0FBK, 8);
1359 rt2x00_set_field32(&reg, LG_FBK_CFG0_OFDMMCS1FBK, 8);
1360 rt2x00_set_field32(&reg, LG_FBK_CFG0_OFDMMCS2FBK, 9);
1361 rt2x00_set_field32(&reg, LG_FBK_CFG0_OFDMMCS3FBK, 10);
1362 rt2x00_set_field32(&reg, LG_FBK_CFG0_OFDMMCS4FBK, 11);
1363 rt2x00_set_field32(&reg, LG_FBK_CFG0_OFDMMCS5FBK, 12);
1364 rt2x00_set_field32(&reg, LG_FBK_CFG0_OFDMMCS6FBK, 13);
1365 rt2x00_set_field32(&reg, LG_FBK_CFG0_OFDMMCS7FBK, 14);
1366 rt2800_register_write(rt2x00dev, LG_FBK_CFG0, reg);
1367
1368 rt2800_register_read(rt2x00dev, LG_FBK_CFG1, &reg);
1369 rt2x00_set_field32(&reg, LG_FBK_CFG0_CCKMCS0FBK, 0);
1370 rt2x00_set_field32(&reg, LG_FBK_CFG0_CCKMCS1FBK, 0);
1371 rt2x00_set_field32(&reg, LG_FBK_CFG0_CCKMCS2FBK, 1);
1372 rt2x00_set_field32(&reg, LG_FBK_CFG0_CCKMCS3FBK, 2);
1373 rt2800_register_write(rt2x00dev, LG_FBK_CFG1, reg);
1374
1375 /*
1376 * We must clear the error counters.
1377 * These registers are cleared on read,
1378 * so we may pass a useless variable to store the value.
1379 */
1380 rt2800_register_read(rt2x00dev, RX_STA_CNT0, &reg);
1381 rt2800_register_read(rt2x00dev, RX_STA_CNT1, &reg);
1382 rt2800_register_read(rt2x00dev, RX_STA_CNT2, &reg);
1383 rt2800_register_read(rt2x00dev, TX_STA_CNT0, &reg);
1384 rt2800_register_read(rt2x00dev, TX_STA_CNT1, &reg);
1385 rt2800_register_read(rt2x00dev, TX_STA_CNT2, &reg);
1386
1387 return 0;
1388}
1389EXPORT_SYMBOL_GPL(rt2800_init_registers);
1390
1391static int rt2800_wait_bbp_rf_ready(struct rt2x00_dev *rt2x00dev)
1392{
1393 unsigned int i;
1394 u32 reg;
1395
1396 for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
1397 rt2800_register_read(rt2x00dev, MAC_STATUS_CFG, &reg);
1398 if (!rt2x00_get_field32(reg, MAC_STATUS_CFG_BBP_RF_BUSY))
1399 return 0;
1400
1401 udelay(REGISTER_BUSY_DELAY);
1402 }
1403
1404 ERROR(rt2x00dev, "BBP/RF register access failed, aborting.\n");
1405 return -EACCES;
1406}
1407
1408static int rt2800_wait_bbp_ready(struct rt2x00_dev *rt2x00dev)
1409{
1410 unsigned int i;
1411 u8 value;
1412
1413 /*
1414 * BBP was enabled after firmware was loaded,
1415 * but we need to reactivate it now.
1416 */
1417 rt2800_register_write(rt2x00dev, H2M_BBP_AGENT, 0);
1418 rt2800_register_write(rt2x00dev, H2M_MAILBOX_CSR, 0);
1419 msleep(1);
1420
1421 for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
1422 rt2800_bbp_read(rt2x00dev, 0, &value);
1423 if ((value != 0xff) && (value != 0x00))
1424 return 0;
1425 udelay(REGISTER_BUSY_DELAY);
1426 }
1427
1428 ERROR(rt2x00dev, "BBP register access failed, aborting.\n");
1429 return -EACCES;
1430}
1431
1432int rt2800_init_bbp(struct rt2x00_dev *rt2x00dev)
1433{
1434 unsigned int i;
1435 u16 eeprom;
1436 u8 reg_id;
1437 u8 value;
1438
1439 if (unlikely(rt2800_wait_bbp_rf_ready(rt2x00dev) ||
1440 rt2800_wait_bbp_ready(rt2x00dev)))
1441 return -EACCES;
1442
1443 rt2800_bbp_write(rt2x00dev, 65, 0x2c);
1444 rt2800_bbp_write(rt2x00dev, 66, 0x38);
1445 rt2800_bbp_write(rt2x00dev, 69, 0x12);
1446 rt2800_bbp_write(rt2x00dev, 70, 0x0a);
1447 rt2800_bbp_write(rt2x00dev, 73, 0x10);
1448 rt2800_bbp_write(rt2x00dev, 81, 0x37);
1449 rt2800_bbp_write(rt2x00dev, 82, 0x62);
1450 rt2800_bbp_write(rt2x00dev, 83, 0x6a);
1451 rt2800_bbp_write(rt2x00dev, 84, 0x99);
1452 rt2800_bbp_write(rt2x00dev, 86, 0x00);
1453 rt2800_bbp_write(rt2x00dev, 91, 0x04);
1454 rt2800_bbp_write(rt2x00dev, 92, 0x00);
1455 rt2800_bbp_write(rt2x00dev, 103, 0x00);
1456 rt2800_bbp_write(rt2x00dev, 105, 0x05);
1457
1458 if (rt2x00_rev(&rt2x00dev->chip) == RT2860C_VERSION) {
1459 rt2800_bbp_write(rt2x00dev, 69, 0x16);
1460 rt2800_bbp_write(rt2x00dev, 73, 0x12);
1461 }
1462
1463 if (rt2x00_rev(&rt2x00dev->chip) > RT2860D_VERSION)
1464 rt2800_bbp_write(rt2x00dev, 84, 0x19);
1465
1466 if (rt2x00_intf_is_usb(rt2x00dev) &&
1467 rt2x00_rev(&rt2x00dev->chip) == RT3070_VERSION) {
1468 rt2800_bbp_write(rt2x00dev, 70, 0x0a);
1469 rt2800_bbp_write(rt2x00dev, 84, 0x99);
1470 rt2800_bbp_write(rt2x00dev, 105, 0x05);
1471 }
1472
1473 if (rt2x00_intf_is_pci(rt2x00dev) &&
1474 rt2x00_rt(&rt2x00dev->chip, RT3052)) {
1475 rt2800_bbp_write(rt2x00dev, 31, 0x08);
1476 rt2800_bbp_write(rt2x00dev, 78, 0x0e);
1477 rt2800_bbp_write(rt2x00dev, 80, 0x08);
1478 }
1479
1480 for (i = 0; i < EEPROM_BBP_SIZE; i++) {
1481 rt2x00_eeprom_read(rt2x00dev, EEPROM_BBP_START + i, &eeprom);
1482
1483 if (eeprom != 0xffff && eeprom != 0x0000) {
1484 reg_id = rt2x00_get_field16(eeprom, EEPROM_BBP_REG_ID);
1485 value = rt2x00_get_field16(eeprom, EEPROM_BBP_VALUE);
1486 rt2800_bbp_write(rt2x00dev, reg_id, value);
1487 }
1488 }
1489
1490 return 0;
1491}
1492EXPORT_SYMBOL_GPL(rt2800_init_bbp);
1493
1494static u8 rt2800_init_rx_filter(struct rt2x00_dev *rt2x00dev,
1495 bool bw40, u8 rfcsr24, u8 filter_target)
1496{
1497 unsigned int i;
1498 u8 bbp;
1499 u8 rfcsr;
1500 u8 passband;
1501 u8 stopband;
1502 u8 overtuned = 0;
1503
1504 rt2800_rfcsr_write(rt2x00dev, 24, rfcsr24);
1505
1506 rt2800_bbp_read(rt2x00dev, 4, &bbp);
1507 rt2x00_set_field8(&bbp, BBP4_BANDWIDTH, 2 * bw40);
1508 rt2800_bbp_write(rt2x00dev, 4, bbp);
1509
1510 rt2800_rfcsr_read(rt2x00dev, 22, &rfcsr);
1511 rt2x00_set_field8(&rfcsr, RFCSR22_BASEBAND_LOOPBACK, 1);
1512 rt2800_rfcsr_write(rt2x00dev, 22, rfcsr);
1513
1514 /*
1515 * Set power & frequency of passband test tone
1516 */
1517 rt2800_bbp_write(rt2x00dev, 24, 0);
1518
1519 for (i = 0; i < 100; i++) {
1520 rt2800_bbp_write(rt2x00dev, 25, 0x90);
1521 msleep(1);
1522
1523 rt2800_bbp_read(rt2x00dev, 55, &passband);
1524 if (passband)
1525 break;
1526 }
1527
1528 /*
1529 * Set power & frequency of stopband test tone
1530 */
1531 rt2800_bbp_write(rt2x00dev, 24, 0x06);
1532
1533 for (i = 0; i < 100; i++) {
1534 rt2800_bbp_write(rt2x00dev, 25, 0x90);
1535 msleep(1);
1536
1537 rt2800_bbp_read(rt2x00dev, 55, &stopband);
1538
1539 if ((passband - stopband) <= filter_target) {
1540 rfcsr24++;
1541 overtuned += ((passband - stopband) == filter_target);
1542 } else
1543 break;
1544
1545 rt2800_rfcsr_write(rt2x00dev, 24, rfcsr24);
1546 }
1547
1548 rfcsr24 -= !!overtuned;
1549
1550 rt2800_rfcsr_write(rt2x00dev, 24, rfcsr24);
1551 return rfcsr24;
1552}
1553
1554int rt2800_init_rfcsr(struct rt2x00_dev *rt2x00dev)
1555{
1556 u8 rfcsr;
1557 u8 bbp;
1558
1559 if (rt2x00_intf_is_usb(rt2x00dev) &&
1560 rt2x00_rev(&rt2x00dev->chip) != RT3070_VERSION)
1561 return 0;
1562
1563 if (rt2x00_intf_is_pci(rt2x00dev)) {
1564 if (!rt2x00_rf(&rt2x00dev->chip, RF3020) &&
1565 !rt2x00_rf(&rt2x00dev->chip, RF3021) &&
1566 !rt2x00_rf(&rt2x00dev->chip, RF3022))
1567 return 0;
1568 }
1569
1570 /*
1571 * Init RF calibration.
1572 */
1573 rt2800_rfcsr_read(rt2x00dev, 30, &rfcsr);
1574 rt2x00_set_field8(&rfcsr, RFCSR30_RF_CALIBRATION, 1);
1575 rt2800_rfcsr_write(rt2x00dev, 30, rfcsr);
1576 msleep(1);
1577 rt2x00_set_field8(&rfcsr, RFCSR30_RF_CALIBRATION, 0);
1578 rt2800_rfcsr_write(rt2x00dev, 30, rfcsr);
1579
1580 if (rt2x00_intf_is_usb(rt2x00dev)) {
1581 rt2800_rfcsr_write(rt2x00dev, 4, 0x40);
1582 rt2800_rfcsr_write(rt2x00dev, 5, 0x03);
1583 rt2800_rfcsr_write(rt2x00dev, 6, 0x02);
1584 rt2800_rfcsr_write(rt2x00dev, 7, 0x70);
1585 rt2800_rfcsr_write(rt2x00dev, 9, 0x0f);
1586 rt2800_rfcsr_write(rt2x00dev, 10, 0x71);
1587 rt2800_rfcsr_write(rt2x00dev, 11, 0x21);
1588 rt2800_rfcsr_write(rt2x00dev, 12, 0x7b);
1589 rt2800_rfcsr_write(rt2x00dev, 14, 0x90);
1590 rt2800_rfcsr_write(rt2x00dev, 15, 0x58);
1591 rt2800_rfcsr_write(rt2x00dev, 16, 0xb3);
1592 rt2800_rfcsr_write(rt2x00dev, 17, 0x92);
1593 rt2800_rfcsr_write(rt2x00dev, 18, 0x2c);
1594 rt2800_rfcsr_write(rt2x00dev, 19, 0x02);
1595 rt2800_rfcsr_write(rt2x00dev, 20, 0xba);
1596 rt2800_rfcsr_write(rt2x00dev, 21, 0xdb);
1597 rt2800_rfcsr_write(rt2x00dev, 24, 0x16);
1598 rt2800_rfcsr_write(rt2x00dev, 25, 0x01);
1599 rt2800_rfcsr_write(rt2x00dev, 27, 0x03);
1600 rt2800_rfcsr_write(rt2x00dev, 29, 0x1f);
1601 } else if (rt2x00_intf_is_pci(rt2x00dev)) {
1602 rt2800_rfcsr_write(rt2x00dev, 0, 0x50);
1603 rt2800_rfcsr_write(rt2x00dev, 1, 0x01);
1604 rt2800_rfcsr_write(rt2x00dev, 2, 0xf7);
1605 rt2800_rfcsr_write(rt2x00dev, 3, 0x75);
1606 rt2800_rfcsr_write(rt2x00dev, 4, 0x40);
1607 rt2800_rfcsr_write(rt2x00dev, 5, 0x03);
1608 rt2800_rfcsr_write(rt2x00dev, 6, 0x02);
1609 rt2800_rfcsr_write(rt2x00dev, 7, 0x50);
1610 rt2800_rfcsr_write(rt2x00dev, 8, 0x39);
1611 rt2800_rfcsr_write(rt2x00dev, 9, 0x0f);
1612 rt2800_rfcsr_write(rt2x00dev, 10, 0x60);
1613 rt2800_rfcsr_write(rt2x00dev, 11, 0x21);
1614 rt2800_rfcsr_write(rt2x00dev, 12, 0x75);
1615 rt2800_rfcsr_write(rt2x00dev, 13, 0x75);
1616 rt2800_rfcsr_write(rt2x00dev, 14, 0x90);
1617 rt2800_rfcsr_write(rt2x00dev, 15, 0x58);
1618 rt2800_rfcsr_write(rt2x00dev, 16, 0xb3);
1619 rt2800_rfcsr_write(rt2x00dev, 17, 0x92);
1620 rt2800_rfcsr_write(rt2x00dev, 18, 0x2c);
1621 rt2800_rfcsr_write(rt2x00dev, 19, 0x02);
1622 rt2800_rfcsr_write(rt2x00dev, 20, 0xba);
1623 rt2800_rfcsr_write(rt2x00dev, 21, 0xdb);
1624 rt2800_rfcsr_write(rt2x00dev, 22, 0x00);
1625 rt2800_rfcsr_write(rt2x00dev, 23, 0x31);
1626 rt2800_rfcsr_write(rt2x00dev, 24, 0x08);
1627 rt2800_rfcsr_write(rt2x00dev, 25, 0x01);
1628 rt2800_rfcsr_write(rt2x00dev, 26, 0x25);
1629 rt2800_rfcsr_write(rt2x00dev, 27, 0x23);
1630 rt2800_rfcsr_write(rt2x00dev, 28, 0x13);
1631 rt2800_rfcsr_write(rt2x00dev, 29, 0x83);
1632 }
1633
1634 /*
1635 * Set RX Filter calibration for 20MHz and 40MHz
1636 */
1637 rt2x00dev->calibration[0] =
1638 rt2800_init_rx_filter(rt2x00dev, false, 0x07, 0x16);
1639 rt2x00dev->calibration[1] =
1640 rt2800_init_rx_filter(rt2x00dev, true, 0x27, 0x19);
1641
1642 /*
1643 * Set back to initial state
1644 */
1645 rt2800_bbp_write(rt2x00dev, 24, 0);
1646
1647 rt2800_rfcsr_read(rt2x00dev, 22, &rfcsr);
1648 rt2x00_set_field8(&rfcsr, RFCSR22_BASEBAND_LOOPBACK, 0);
1649 rt2800_rfcsr_write(rt2x00dev, 22, rfcsr);
1650
1651 /*
1652 * set BBP back to BW20
1653 */
1654 rt2800_bbp_read(rt2x00dev, 4, &bbp);
1655 rt2x00_set_field8(&bbp, BBP4_BANDWIDTH, 0);
1656 rt2800_bbp_write(rt2x00dev, 4, bbp);
1657
1658 return 0;
1659}
1660EXPORT_SYMBOL_GPL(rt2800_init_rfcsr);
generated by cgit v1.2.2 (git 2.25.0) at 2024-12-22 15:08:31 -0500