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path: root/drivers/net/wireless/rt2x00/rt2800usb.c
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Diffstat (limited to 'drivers/net/wireless/rt2x00/rt2800usb.c')
-rw-r--r--drivers/net/wireless/rt2x00/rt2800usb.c105
1 files changed, 19 insertions, 86 deletions
diff --git a/drivers/net/wireless/rt2x00/rt2800usb.c b/drivers/net/wireless/rt2x00/rt2800usb.c
index 9ad28be294eb..3dff56ec195a 100644
--- a/drivers/net/wireless/rt2x00/rt2800usb.c
+++ b/drivers/net/wireless/rt2x00/rt2800usb.c
@@ -101,19 +101,6 @@ static int rt2800usb_write_firmware(struct rt2x00_dev *rt2x00dev,
101 msleep(10); 101 msleep(10);
102 rt2800_register_write(rt2x00dev, H2M_MAILBOX_CSR, 0); 102 rt2800_register_write(rt2x00dev, H2M_MAILBOX_CSR, 0);
103 103
104 /*
105 * Send signal to firmware during boot time.
106 */
107 rt2800_mcu_request(rt2x00dev, MCU_BOOT_SIGNAL, 0, 0, 0);
108
109 if (rt2x00_rt(rt2x00dev, RT3070) ||
110 rt2x00_rt(rt2x00dev, RT3071) ||
111 rt2x00_rt(rt2x00dev, RT3572)) {
112 udelay(200);
113 rt2800_mcu_request(rt2x00dev, MCU_CURRENT, 0, 0, 0);
114 udelay(10);
115 }
116
117 return 0; 104 return 0;
118} 105}
119 106
@@ -135,26 +122,18 @@ static void rt2800usb_toggle_rx(struct rt2x00_dev *rt2x00dev,
135static int rt2800usb_init_registers(struct rt2x00_dev *rt2x00dev) 122static int rt2800usb_init_registers(struct rt2x00_dev *rt2x00dev)
136{ 123{
137 u32 reg; 124 u32 reg;
138 int i;
139 125
140 /* 126 /*
141 * Wait until BBP and RF are ready. 127 * Wait until BBP and RF are ready.
142 */ 128 */
143 for (i = 0; i < REGISTER_BUSY_COUNT; i++) { 129 if (rt2800_wait_csr_ready(rt2x00dev))
144 rt2800_register_read(rt2x00dev, MAC_CSR0, &reg);
145 if (reg && reg != ~0)
146 break;
147 msleep(1);
148 }
149
150 if (i == REGISTER_BUSY_COUNT) {
151 ERROR(rt2x00dev, "Unstable hardware.\n");
152 return -EBUSY; 130 return -EBUSY;
153 }
154 131
155 rt2800_register_read(rt2x00dev, PBF_SYS_CTRL, &reg); 132 rt2800_register_read(rt2x00dev, PBF_SYS_CTRL, &reg);
156 rt2800_register_write(rt2x00dev, PBF_SYS_CTRL, reg & ~0x00002000); 133 rt2800_register_write(rt2x00dev, PBF_SYS_CTRL, reg & ~0x00002000);
157 134
135 rt2800_register_write(rt2x00dev, PWR_PIN_CFG, 0x00000003);
136
158 rt2800_register_read(rt2x00dev, MAC_SYS_CTRL, &reg); 137 rt2800_register_read(rt2x00dev, MAC_SYS_CTRL, &reg);
159 rt2x00_set_field32(&reg, MAC_SYS_CTRL_RESET_CSR, 1); 138 rt2x00_set_field32(&reg, MAC_SYS_CTRL_RESET_CSR, 1);
160 rt2x00_set_field32(&reg, MAC_SYS_CTRL_RESET_BBP, 1); 139 rt2x00_set_field32(&reg, MAC_SYS_CTRL_RESET_BBP, 1);
@@ -173,30 +152,10 @@ static int rt2800usb_init_registers(struct rt2x00_dev *rt2x00dev)
173static int rt2800usb_enable_radio(struct rt2x00_dev *rt2x00dev) 152static int rt2800usb_enable_radio(struct rt2x00_dev *rt2x00dev)
174{ 153{
175 u32 reg; 154 u32 reg;
176 u16 word;
177 155
178 /* 156 if (unlikely(rt2800_wait_wpdma_ready(rt2x00dev)))
179 * Initialize all registers.
180 */
181 if (unlikely(rt2800_wait_wpdma_ready(rt2x00dev) ||
182 rt2800_init_registers(rt2x00dev) ||
183 rt2800_init_bbp(rt2x00dev) ||
184 rt2800_init_rfcsr(rt2x00dev)))
185 return -EIO; 157 return -EIO;
186 158
187 rt2800_register_read(rt2x00dev, MAC_SYS_CTRL, &reg);
188 rt2x00_set_field32(&reg, MAC_SYS_CTRL_ENABLE_TX, 1);
189 rt2800_register_write(rt2x00dev, MAC_SYS_CTRL, reg);
190
191 udelay(50);
192
193 rt2800_register_read(rt2x00dev, WPDMA_GLO_CFG, &reg);
194 rt2x00_set_field32(&reg, WPDMA_GLO_CFG_TX_WRITEBACK_DONE, 1);
195 rt2x00_set_field32(&reg, WPDMA_GLO_CFG_ENABLE_RX_DMA, 1);
196 rt2x00_set_field32(&reg, WPDMA_GLO_CFG_ENABLE_TX_DMA, 1);
197 rt2800_register_write(rt2x00dev, WPDMA_GLO_CFG, reg);
198
199
200 rt2800_register_read(rt2x00dev, USB_DMA_CFG, &reg); 159 rt2800_register_read(rt2x00dev, USB_DMA_CFG, &reg);
201 rt2x00_set_field32(&reg, USB_DMA_CFG_PHY_CLEAR, 0); 160 rt2x00_set_field32(&reg, USB_DMA_CFG_PHY_CLEAR, 0);
202 rt2x00_set_field32(&reg, USB_DMA_CFG_RX_BULK_AGG_EN, 0); 161 rt2x00_set_field32(&reg, USB_DMA_CFG_RX_BULK_AGG_EN, 0);
@@ -211,45 +170,12 @@ static int rt2800usb_enable_radio(struct rt2x00_dev *rt2x00dev)
211 rt2x00_set_field32(&reg, USB_DMA_CFG_TX_BULK_EN, 1); 170 rt2x00_set_field32(&reg, USB_DMA_CFG_TX_BULK_EN, 1);
212 rt2800_register_write(rt2x00dev, USB_DMA_CFG, reg); 171 rt2800_register_write(rt2x00dev, USB_DMA_CFG, reg);
213 172
214 rt2800_register_read(rt2x00dev, MAC_SYS_CTRL, &reg); 173 return rt2800_enable_radio(rt2x00dev);
215 rt2x00_set_field32(&reg, MAC_SYS_CTRL_ENABLE_TX, 1);
216 rt2x00_set_field32(&reg, MAC_SYS_CTRL_ENABLE_RX, 1);
217 rt2800_register_write(rt2x00dev, MAC_SYS_CTRL, reg);
218
219 /*
220 * Initialize LED control
221 */
222 rt2x00_eeprom_read(rt2x00dev, EEPROM_LED1, &word);
223 rt2800_mcu_request(rt2x00dev, MCU_LED_1, 0xff,
224 word & 0xff, (word >> 8) & 0xff);
225
226 rt2x00_eeprom_read(rt2x00dev, EEPROM_LED2, &word);
227 rt2800_mcu_request(rt2x00dev, MCU_LED_2, 0xff,
228 word & 0xff, (word >> 8) & 0xff);
229
230 rt2x00_eeprom_read(rt2x00dev, EEPROM_LED3, &word);
231 rt2800_mcu_request(rt2x00dev, MCU_LED_3, 0xff,
232 word & 0xff, (word >> 8) & 0xff);
233
234 return 0;
235} 174}
236 175
237static void rt2800usb_disable_radio(struct rt2x00_dev *rt2x00dev) 176static void rt2800usb_disable_radio(struct rt2x00_dev *rt2x00dev)
238{ 177{
239 u32 reg; 178 rt2800_disable_radio(rt2x00dev);
240
241 rt2800_register_read(rt2x00dev, WPDMA_GLO_CFG, &reg);
242 rt2x00_set_field32(&reg, WPDMA_GLO_CFG_ENABLE_TX_DMA, 0);
243 rt2x00_set_field32(&reg, WPDMA_GLO_CFG_ENABLE_RX_DMA, 0);
244 rt2800_register_write(rt2x00dev, WPDMA_GLO_CFG, reg);
245
246 rt2800_register_write(rt2x00dev, MAC_SYS_CTRL, 0);
247 rt2800_register_write(rt2x00dev, PWR_PIN_CFG, 0);
248 rt2800_register_write(rt2x00dev, TX_PIN_CFG, 0);
249
250 /* Wait for DMA, ignore error */
251 rt2800_wait_wpdma_ready(rt2x00dev);
252
253 rt2x00usb_disable_radio(rt2x00dev); 179 rt2x00usb_disable_radio(rt2x00dev);
254} 180}
255 181
@@ -329,12 +255,11 @@ static __le32 *rt2800usb_get_txwi(struct queue_entry *entry)
329 return (__le32 *) (entry->skb->data + TXINFO_DESC_SIZE); 255 return (__le32 *) (entry->skb->data + TXINFO_DESC_SIZE);
330} 256}
331 257
332static void rt2800usb_write_tx_desc(struct rt2x00_dev *rt2x00dev, 258static void rt2800usb_write_tx_desc(struct queue_entry *entry,
333 struct sk_buff *skb,
334 struct txentry_desc *txdesc) 259 struct txentry_desc *txdesc)
335{ 260{
336 struct skb_frame_desc *skbdesc = get_skb_frame_desc(skb); 261 struct skb_frame_desc *skbdesc = get_skb_frame_desc(entry->skb);
337 __le32 *txi = (__le32 *) skb->data; 262 __le32 *txi = (__le32 *) entry->skb->data;
338 u32 word; 263 u32 word;
339 264
340 /* 265 /*
@@ -342,7 +267,7 @@ static void rt2800usb_write_tx_desc(struct rt2x00_dev *rt2x00dev,
342 */ 267 */
343 rt2x00_desc_read(txi, 0, &word); 268 rt2x00_desc_read(txi, 0, &word);
344 rt2x00_set_field32(&word, TXINFO_W0_USB_DMA_TX_PKT_LEN, 269 rt2x00_set_field32(&word, TXINFO_W0_USB_DMA_TX_PKT_LEN,
345 skb->len - TXINFO_DESC_SIZE); 270 entry->skb->len - TXINFO_DESC_SIZE);
346 rt2x00_set_field32(&word, TXINFO_W0_WIV, 271 rt2x00_set_field32(&word, TXINFO_W0_WIV,
347 !test_bit(ENTRY_TXD_ENCRYPT_IV, &txdesc->flags)); 272 !test_bit(ENTRY_TXD_ENCRYPT_IV, &txdesc->flags));
348 rt2x00_set_field32(&word, TXINFO_W0_QSEL, 2); 273 rt2x00_set_field32(&word, TXINFO_W0_QSEL, 2);
@@ -410,6 +335,14 @@ static void rt2800usb_work_txdone(struct work_struct *work)
410 } 335 }
411} 336}
412 337
338static void rt2800usb_kill_tx_queue(struct data_queue *queue)
339{
340 if (queue->qid == QID_BEACON)
341 rt2x00usb_register_write(queue->rt2x00dev, BCN_TIME_CFG, 0);
342
343 rt2x00usb_kill_tx_queue(queue);
344}
345
413/* 346/*
414 * RX control handlers 347 * RX control handlers
415 */ 348 */
@@ -608,7 +541,7 @@ static const struct rt2x00lib_ops rt2800usb_rt2x00_ops = {
608 .write_beacon = rt2800_write_beacon, 541 .write_beacon = rt2800_write_beacon,
609 .get_tx_data_len = rt2800usb_get_tx_data_len, 542 .get_tx_data_len = rt2800usb_get_tx_data_len,
610 .kick_tx_queue = rt2x00usb_kick_tx_queue, 543 .kick_tx_queue = rt2x00usb_kick_tx_queue,
611 .kill_tx_queue = rt2x00usb_kill_tx_queue, 544 .kill_tx_queue = rt2800usb_kill_tx_queue,
612 .fill_rxdone = rt2800usb_fill_rxdone, 545 .fill_rxdone = rt2800usb_fill_rxdone,
613 .config_shared_key = rt2800_config_shared_key, 546 .config_shared_key = rt2800_config_shared_key,
614 .config_pairwise_key = rt2800_config_pairwise_key, 547 .config_pairwise_key = rt2800_config_pairwise_key,