Michael Wu | 605bebe | 2007-05-14 01:41:02 -0400 | [diff] [blame] | 1 | /* |
| 2 | * Linux device driver for RTL8187 |
| 3 | * |
| 4 | * Copyright 2007 Michael Wu <flamingice@sourmilk.net> |
Andrea Merello | 93ba2a8 | 2013-08-26 13:53:30 +0200 | [diff] [blame] | 5 | * Copyright 2007 Andrea Merello <andrea.merello@gmail.com> |
Michael Wu | 605bebe | 2007-05-14 01:41:02 -0400 | [diff] [blame] | 6 | * |
| 7 | * Based on the r8187 driver, which is: |
Andrea Merello | 93ba2a8 | 2013-08-26 13:53:30 +0200 | [diff] [blame] | 8 | * Copyright 2005 Andrea Merello <andrea.merello@gmail.com>, et al. |
Michael Wu | 605bebe | 2007-05-14 01:41:02 -0400 | [diff] [blame] | 9 | * |
Larry Finger | 3461fc1 | 2008-11-12 17:31:52 -0600 | [diff] [blame] | 10 | * The driver was extended to the RTL8187B in 2008 by: |
Attila Fazekas | 41b58f1 | 2012-02-23 19:50:35 +0100 | [diff] [blame] | 11 | * Herton Ronaldo Krzesinski <herton@mandriva.com.br> |
Larry Finger | 3461fc1 | 2008-11-12 17:31:52 -0600 | [diff] [blame] | 12 | * Hin-Tak Leung <htl10@users.sourceforge.net> |
| 13 | * Larry Finger <Larry.Finger@lwfinger.net> |
| 14 | * |
John W. Linville | 0aec00a | 2007-06-12 22:11:42 -0400 | [diff] [blame] | 15 | * Magic delays and register offsets below are taken from the original |
| 16 | * r8187 driver sources. Thanks to Realtek for their support! |
Michael Wu | 605bebe | 2007-05-14 01:41:02 -0400 | [diff] [blame] | 17 | * |
| 18 | * This program is free software; you can redistribute it and/or modify |
| 19 | * it under the terms of the GNU General Public License version 2 as |
| 20 | * published by the Free Software Foundation. |
| 21 | */ |
| 22 | |
Michael Wu | 605bebe | 2007-05-14 01:41:02 -0400 | [diff] [blame] | 23 | #include <linux/usb.h> |
Tejun Heo | 5a0e3ad | 2010-03-24 17:04:11 +0900 | [diff] [blame] | 24 | #include <linux/slab.h> |
Michael Wu | 605bebe | 2007-05-14 01:41:02 -0400 | [diff] [blame] | 25 | #include <linux/delay.h> |
| 26 | #include <linux/etherdevice.h> |
| 27 | #include <linux/eeprom_93cx6.h> |
Paul Gortmaker | 9d9779e | 2011-07-03 15:21:01 -0400 | [diff] [blame] | 28 | #include <linux/module.h> |
Michael Wu | 605bebe | 2007-05-14 01:41:02 -0400 | [diff] [blame] | 29 | #include <net/mac80211.h> |
| 30 | |
| 31 | #include "rtl8187.h" |
John W. Linville | 3cfeb0c | 2010-12-20 15:16:53 -0500 | [diff] [blame] | 32 | #include "rtl8225.h" |
Larry Finger | a027087 | 2009-04-16 19:56:38 -0500 | [diff] [blame] | 33 | #ifdef CONFIG_RTL8187_LEDS |
John W. Linville | 3cfeb0c | 2010-12-20 15:16:53 -0500 | [diff] [blame] | 34 | #include "leds.h" |
Larry Finger | a027087 | 2009-04-16 19:56:38 -0500 | [diff] [blame] | 35 | #endif |
John W. Linville | 3cfeb0c | 2010-12-20 15:16:53 -0500 | [diff] [blame] | 36 | #include "rfkill.h" |
Michael Wu | 605bebe | 2007-05-14 01:41:02 -0400 | [diff] [blame] | 37 | |
| 38 | MODULE_AUTHOR("Michael Wu <flamingice@sourmilk.net>"); |
Andrea Merello | 93ba2a8 | 2013-08-26 13:53:30 +0200 | [diff] [blame] | 39 | MODULE_AUTHOR("Andrea Merello <andrea.merello@gmail.com>"); |
Larry Finger | 3461fc1 | 2008-11-12 17:31:52 -0600 | [diff] [blame] | 40 | MODULE_AUTHOR("Herton Ronaldo Krzesinski <herton@mandriva.com.br>"); |
| 41 | MODULE_AUTHOR("Hin-Tak Leung <htl10@users.sourceforge.net>"); |
| 42 | MODULE_AUTHOR("Larry Finger <Larry.Finger@lwfinger.net>"); |
Hin-Tak Leung | f8a08c3 | 2008-07-08 12:33:34 +0100 | [diff] [blame] | 43 | MODULE_DESCRIPTION("RTL8187/RTL8187B USB wireless driver"); |
Michael Wu | 605bebe | 2007-05-14 01:41:02 -0400 | [diff] [blame] | 44 | MODULE_LICENSE("GPL"); |
| 45 | |
Greg Kroah-Hartman | a343317 | 2012-08-17 17:48:29 -0700 | [diff] [blame] | 46 | static struct usb_device_id rtl8187_table[] = { |
Andrea Merello | 7c7e6af | 2008-07-25 19:08:11 +0200 | [diff] [blame] | 47 | /* Asus */ |
| 48 | {USB_DEVICE(0x0b05, 0x171d), .driver_info = DEVICE_RTL8187}, |
Florent Fourcot | eaca90d | 2008-10-13 16:34:26 -0700 | [diff] [blame] | 49 | /* Belkin */ |
| 50 | {USB_DEVICE(0x050d, 0x705e), .driver_info = DEVICE_RTL8187B}, |
Michael Wu | 605bebe | 2007-05-14 01:41:02 -0400 | [diff] [blame] | 51 | /* Realtek */ |
Hin-Tak Leung | f8a08c3 | 2008-07-08 12:33:34 +0100 | [diff] [blame] | 52 | {USB_DEVICE(0x0bda, 0x8187), .driver_info = DEVICE_RTL8187}, |
| 53 | {USB_DEVICE(0x0bda, 0x8189), .driver_info = DEVICE_RTL8187B}, |
| 54 | {USB_DEVICE(0x0bda, 0x8197), .driver_info = DEVICE_RTL8187B}, |
John W. Linville | 746db51 | 2008-10-10 14:16:46 -0400 | [diff] [blame] | 55 | {USB_DEVICE(0x0bda, 0x8198), .driver_info = DEVICE_RTL8187B}, |
Larry Finger | 046ee5d | 2009-02-17 14:31:12 -0600 | [diff] [blame] | 56 | /* Surecom */ |
| 57 | {USB_DEVICE(0x0769, 0x11F2), .driver_info = DEVICE_RTL8187}, |
| 58 | /* Logitech */ |
| 59 | {USB_DEVICE(0x0789, 0x010C), .driver_info = DEVICE_RTL8187}, |
Michael Wu | 605bebe | 2007-05-14 01:41:02 -0400 | [diff] [blame] | 60 | /* Netgear */ |
Hin-Tak Leung | f8a08c3 | 2008-07-08 12:33:34 +0100 | [diff] [blame] | 61 | {USB_DEVICE(0x0846, 0x6100), .driver_info = DEVICE_RTL8187}, |
| 62 | {USB_DEVICE(0x0846, 0x6a00), .driver_info = DEVICE_RTL8187}, |
matthieu Barthélemy | fcd7cc1 | 2008-08-10 23:34:59 -0500 | [diff] [blame] | 63 | {USB_DEVICE(0x0846, 0x4260), .driver_info = DEVICE_RTL8187B}, |
Michael Wu | c3cf60a | 2007-10-04 00:04:07 -0400 | [diff] [blame] | 64 | /* HP */ |
Hin-Tak Leung | f8a08c3 | 2008-07-08 12:33:34 +0100 | [diff] [blame] | 65 | {USB_DEVICE(0x03f0, 0xca02), .driver_info = DEVICE_RTL8187}, |
Matthias Mueller | 9934550 | 2007-12-02 17:17:51 -0500 | [diff] [blame] | 66 | /* Sitecom */ |
Hin-Tak Leung | f8a08c3 | 2008-07-08 12:33:34 +0100 | [diff] [blame] | 67 | {USB_DEVICE(0x0df6, 0x000d), .driver_info = DEVICE_RTL8187}, |
Bob Jolliffe | f3c76918 | 2008-11-12 20:16:59 +0000 | [diff] [blame] | 68 | {USB_DEVICE(0x0df6, 0x0028), .driver_info = DEVICE_RTL8187B}, |
Jelle Martijn Kok | 174b249 | 2010-02-10 09:34:09 -0600 | [diff] [blame] | 69 | {USB_DEVICE(0x0df6, 0x0029), .driver_info = DEVICE_RTL8187B}, |
Larry Finger | 046ee5d | 2009-02-17 14:31:12 -0600 | [diff] [blame] | 70 | /* Sphairon Access Systems GmbH */ |
| 71 | {USB_DEVICE(0x114B, 0x0150), .driver_info = DEVICE_RTL8187}, |
| 72 | /* Dick Smith Electronics */ |
| 73 | {USB_DEVICE(0x1371, 0x9401), .driver_info = DEVICE_RTL8187}, |
Ivan Kuten | 8f7c41d | 2008-11-10 19:39:25 -0600 | [diff] [blame] | 74 | /* Abocom */ |
| 75 | {USB_DEVICE(0x13d1, 0xabe6), .driver_info = DEVICE_RTL8187}, |
Larry Finger | 046ee5d | 2009-02-17 14:31:12 -0600 | [diff] [blame] | 76 | /* Qcom */ |
| 77 | {USB_DEVICE(0x18E8, 0x6232), .driver_info = DEVICE_RTL8187}, |
| 78 | /* AirLive */ |
| 79 | {USB_DEVICE(0x1b75, 0x8187), .driver_info = DEVICE_RTL8187}, |
John W. Linville | aeeab4f | 2009-05-27 09:21:57 +0200 | [diff] [blame] | 80 | /* Linksys */ |
| 81 | {USB_DEVICE(0x1737, 0x0073), .driver_info = DEVICE_RTL8187B}, |
Michael Wu | 605bebe | 2007-05-14 01:41:02 -0400 | [diff] [blame] | 82 | {} |
| 83 | }; |
| 84 | |
| 85 | MODULE_DEVICE_TABLE(usb, rtl8187_table); |
| 86 | |
Johannes Berg | 8318d78 | 2008-01-24 19:38:38 +0100 | [diff] [blame] | 87 | static const struct ieee80211_rate rtl818x_rates[] = { |
| 88 | { .bitrate = 10, .hw_value = 0, }, |
| 89 | { .bitrate = 20, .hw_value = 1, }, |
| 90 | { .bitrate = 55, .hw_value = 2, }, |
| 91 | { .bitrate = 110, .hw_value = 3, }, |
| 92 | { .bitrate = 60, .hw_value = 4, }, |
| 93 | { .bitrate = 90, .hw_value = 5, }, |
| 94 | { .bitrate = 120, .hw_value = 6, }, |
| 95 | { .bitrate = 180, .hw_value = 7, }, |
| 96 | { .bitrate = 240, .hw_value = 8, }, |
| 97 | { .bitrate = 360, .hw_value = 9, }, |
| 98 | { .bitrate = 480, .hw_value = 10, }, |
| 99 | { .bitrate = 540, .hw_value = 11, }, |
| 100 | }; |
| 101 | |
| 102 | static const struct ieee80211_channel rtl818x_channels[] = { |
| 103 | { .center_freq = 2412 }, |
| 104 | { .center_freq = 2417 }, |
| 105 | { .center_freq = 2422 }, |
| 106 | { .center_freq = 2427 }, |
| 107 | { .center_freq = 2432 }, |
| 108 | { .center_freq = 2437 }, |
| 109 | { .center_freq = 2442 }, |
| 110 | { .center_freq = 2447 }, |
| 111 | { .center_freq = 2452 }, |
| 112 | { .center_freq = 2457 }, |
| 113 | { .center_freq = 2462 }, |
| 114 | { .center_freq = 2467 }, |
| 115 | { .center_freq = 2472 }, |
| 116 | { .center_freq = 2484 }, |
| 117 | }; |
| 118 | |
Johannes Berg | 4150c57 | 2007-09-17 01:29:23 -0400 | [diff] [blame] | 119 | static void rtl8187_iowrite_async_cb(struct urb *urb) |
| 120 | { |
| 121 | kfree(urb->context); |
Johannes Berg | 4150c57 | 2007-09-17 01:29:23 -0400 | [diff] [blame] | 122 | } |
| 123 | |
| 124 | static void rtl8187_iowrite_async(struct rtl8187_priv *priv, __le16 addr, |
| 125 | void *data, u16 len) |
| 126 | { |
| 127 | struct usb_ctrlrequest *dr; |
| 128 | struct urb *urb; |
| 129 | struct rtl8187_async_write_data { |
| 130 | u8 data[4]; |
| 131 | struct usb_ctrlrequest dr; |
| 132 | } *buf; |
Oliver Neukum | ea8ee24 | 2008-05-15 21:49:16 +0200 | [diff] [blame] | 133 | int rc; |
Johannes Berg | 4150c57 | 2007-09-17 01:29:23 -0400 | [diff] [blame] | 134 | |
| 135 | buf = kmalloc(sizeof(*buf), GFP_ATOMIC); |
| 136 | if (!buf) |
| 137 | return; |
| 138 | |
| 139 | urb = usb_alloc_urb(0, GFP_ATOMIC); |
| 140 | if (!urb) { |
| 141 | kfree(buf); |
| 142 | return; |
| 143 | } |
| 144 | |
| 145 | dr = &buf->dr; |
| 146 | |
| 147 | dr->bRequestType = RTL8187_REQT_WRITE; |
| 148 | dr->bRequest = RTL8187_REQ_SET_REG; |
| 149 | dr->wValue = addr; |
| 150 | dr->wIndex = 0; |
| 151 | dr->wLength = cpu_to_le16(len); |
| 152 | |
| 153 | memcpy(buf, data, len); |
| 154 | |
| 155 | usb_fill_control_urb(urb, priv->udev, usb_sndctrlpipe(priv->udev, 0), |
| 156 | (unsigned char *)dr, buf, len, |
| 157 | rtl8187_iowrite_async_cb, buf); |
Larry Finger | c1db52b | 2008-12-09 23:34:27 -0600 | [diff] [blame] | 158 | usb_anchor_urb(urb, &priv->anchored); |
Oliver Neukum | ea8ee24 | 2008-05-15 21:49:16 +0200 | [diff] [blame] | 159 | rc = usb_submit_urb(urb, GFP_ATOMIC); |
| 160 | if (rc < 0) { |
| 161 | kfree(buf); |
Larry Finger | c1db52b | 2008-12-09 23:34:27 -0600 | [diff] [blame] | 162 | usb_unanchor_urb(urb); |
Oliver Neukum | ea8ee24 | 2008-05-15 21:49:16 +0200 | [diff] [blame] | 163 | } |
Larry Finger | c1db52b | 2008-12-09 23:34:27 -0600 | [diff] [blame] | 164 | usb_free_urb(urb); |
Johannes Berg | 4150c57 | 2007-09-17 01:29:23 -0400 | [diff] [blame] | 165 | } |
| 166 | |
| 167 | static inline void rtl818x_iowrite32_async(struct rtl8187_priv *priv, |
| 168 | __le32 *addr, u32 val) |
| 169 | { |
| 170 | __le32 buf = cpu_to_le32(val); |
| 171 | |
| 172 | rtl8187_iowrite_async(priv, cpu_to_le16((unsigned long)addr), |
| 173 | &buf, sizeof(buf)); |
| 174 | } |
| 175 | |
Michael Wu | 605bebe | 2007-05-14 01:41:02 -0400 | [diff] [blame] | 176 | void rtl8187_write_phy(struct ieee80211_hw *dev, u8 addr, u32 data) |
| 177 | { |
| 178 | struct rtl8187_priv *priv = dev->priv; |
| 179 | |
| 180 | data <<= 8; |
| 181 | data |= addr | 0x80; |
| 182 | |
| 183 | rtl818x_iowrite8(priv, &priv->map->PHY[3], (data >> 24) & 0xFF); |
| 184 | rtl818x_iowrite8(priv, &priv->map->PHY[2], (data >> 16) & 0xFF); |
| 185 | rtl818x_iowrite8(priv, &priv->map->PHY[1], (data >> 8) & 0xFF); |
| 186 | rtl818x_iowrite8(priv, &priv->map->PHY[0], data & 0xFF); |
Michael Wu | 605bebe | 2007-05-14 01:41:02 -0400 | [diff] [blame] | 187 | } |
| 188 | |
| 189 | static void rtl8187_tx_cb(struct urb *urb) |
| 190 | { |
Michael Wu | 605bebe | 2007-05-14 01:41:02 -0400 | [diff] [blame] | 191 | struct sk_buff *skb = (struct sk_buff *)urb->context; |
Johannes Berg | e039fa4 | 2008-05-15 12:55:29 +0200 | [diff] [blame] | 192 | struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); |
Johannes Berg | e6a9854 | 2008-10-21 12:40:02 +0200 | [diff] [blame] | 193 | struct ieee80211_hw *hw = info->rate_driver_data[0]; |
Hin-Tak Leung | 6f7853f | 2008-07-08 12:36:04 +0100 | [diff] [blame] | 194 | struct rtl8187_priv *priv = hw->priv; |
Michael Wu | 605bebe | 2007-05-14 01:41:02 -0400 | [diff] [blame] | 195 | |
Hin-Tak Leung | 6f7853f | 2008-07-08 12:36:04 +0100 | [diff] [blame] | 196 | skb_pull(skb, priv->is_rtl8187b ? sizeof(struct rtl8187b_tx_hdr) : |
| 197 | sizeof(struct rtl8187_tx_hdr)); |
Johannes Berg | e6a9854 | 2008-10-21 12:40:02 +0200 | [diff] [blame] | 198 | ieee80211_tx_info_clear_status(info); |
Herton Ronaldo Krzesinski | 3517afd | 2008-11-13 10:39:16 -0500 | [diff] [blame] | 199 | |
Larry Finger | 2f47690 | 2009-01-23 11:40:22 -0600 | [diff] [blame] | 200 | if (!(urb->status) && !(info->flags & IEEE80211_TX_CTL_NO_ACK)) { |
| 201 | if (priv->is_rtl8187b) { |
| 202 | skb_queue_tail(&priv->b_tx_status.queue, skb); |
Herton Ronaldo Krzesinski | 3517afd | 2008-11-13 10:39:16 -0500 | [diff] [blame] | 203 | |
Larry Finger | 2f47690 | 2009-01-23 11:40:22 -0600 | [diff] [blame] | 204 | /* queue is "full", discard last items */ |
| 205 | while (skb_queue_len(&priv->b_tx_status.queue) > 5) { |
| 206 | struct sk_buff *old_skb; |
Herton Ronaldo Krzesinski | 3517afd | 2008-11-13 10:39:16 -0500 | [diff] [blame] | 207 | |
Larry Finger | 2f47690 | 2009-01-23 11:40:22 -0600 | [diff] [blame] | 208 | dev_dbg(&priv->udev->dev, |
| 209 | "transmit status queue full\n"); |
Herton Ronaldo Krzesinski | 3517afd | 2008-11-13 10:39:16 -0500 | [diff] [blame] | 210 | |
Larry Finger | 2f47690 | 2009-01-23 11:40:22 -0600 | [diff] [blame] | 211 | old_skb = skb_dequeue(&priv->b_tx_status.queue); |
| 212 | ieee80211_tx_status_irqsafe(hw, old_skb); |
| 213 | } |
| 214 | return; |
| 215 | } else { |
Herton Ronaldo Krzesinski | 3517afd | 2008-11-13 10:39:16 -0500 | [diff] [blame] | 216 | info->flags |= IEEE80211_TX_STAT_ACK; |
Larry Finger | 2f47690 | 2009-01-23 11:40:22 -0600 | [diff] [blame] | 217 | } |
| 218 | } |
| 219 | if (priv->is_rtl8187b) |
Herton Ronaldo Krzesinski | 3517afd | 2008-11-13 10:39:16 -0500 | [diff] [blame] | 220 | ieee80211_tx_status_irqsafe(hw, skb); |
Larry Finger | 2f47690 | 2009-01-23 11:40:22 -0600 | [diff] [blame] | 221 | else { |
| 222 | /* Retry information for the RTI8187 is only available by |
| 223 | * reading a register in the device. We are in interrupt mode |
| 224 | * here, thus queue the skb and finish on a work queue. */ |
| 225 | skb_queue_tail(&priv->b_tx_status.queue, skb); |
Luis R. Rodriguez | 42935ec | 2009-07-29 20:08:07 -0400 | [diff] [blame] | 226 | ieee80211_queue_delayed_work(hw, &priv->work, 0); |
Herton Ronaldo Krzesinski | 3517afd | 2008-11-13 10:39:16 -0500 | [diff] [blame] | 227 | } |
Michael Wu | 605bebe | 2007-05-14 01:41:02 -0400 | [diff] [blame] | 228 | } |
| 229 | |
Thomas Huehn | 36323f8 | 2012-07-23 21:33:42 +0200 | [diff] [blame] | 230 | static void rtl8187_tx(struct ieee80211_hw *dev, |
| 231 | struct ieee80211_tx_control *control, |
| 232 | struct sk_buff *skb) |
Michael Wu | 605bebe | 2007-05-14 01:41:02 -0400 | [diff] [blame] | 233 | { |
| 234 | struct rtl8187_priv *priv = dev->priv; |
Johannes Berg | e039fa4 | 2008-05-15 12:55:29 +0200 | [diff] [blame] | 235 | struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); |
Attila Fazekas | 41b58f1 | 2012-02-23 19:50:35 +0100 | [diff] [blame] | 236 | struct ieee80211_hdr *tx_hdr = (struct ieee80211_hdr *)(skb->data); |
Hin-Tak Leung | 6f7853f | 2008-07-08 12:36:04 +0100 | [diff] [blame] | 237 | unsigned int ep; |
| 238 | void *buf; |
Michael Wu | 605bebe | 2007-05-14 01:41:02 -0400 | [diff] [blame] | 239 | struct urb *urb; |
Michael Wu | 98798f4 | 2007-10-10 17:28:59 -0400 | [diff] [blame] | 240 | __le16 rts_dur = 0; |
| 241 | u32 flags; |
Oliver Neukum | ea8ee24 | 2008-05-15 21:49:16 +0200 | [diff] [blame] | 242 | int rc; |
Michael Wu | 605bebe | 2007-05-14 01:41:02 -0400 | [diff] [blame] | 243 | |
| 244 | urb = usb_alloc_urb(0, GFP_ATOMIC); |
| 245 | if (!urb) { |
| 246 | kfree_skb(skb); |
Johannes Berg | 7bb4568 | 2011-02-24 14:42:06 +0100 | [diff] [blame] | 247 | return; |
Michael Wu | 605bebe | 2007-05-14 01:41:02 -0400 | [diff] [blame] | 248 | } |
| 249 | |
Michael Wu | 98798f4 | 2007-10-10 17:28:59 -0400 | [diff] [blame] | 250 | flags = skb->len; |
Herton Ronaldo Krzesinski | 38e3b0d | 2008-07-16 11:44:18 -0300 | [diff] [blame] | 251 | flags |= RTL818X_TX_DESC_FLAG_NO_ENC; |
Johannes Berg | aa68cbf | 2008-02-18 14:20:30 +0100 | [diff] [blame] | 252 | |
Johannes Berg | e039fa4 | 2008-05-15 12:55:29 +0200 | [diff] [blame] | 253 | flags |= ieee80211_get_tx_rate(dev, info)->hw_value << 24; |
Attila Fazekas | 41b58f1 | 2012-02-23 19:50:35 +0100 | [diff] [blame] | 254 | if (ieee80211_has_morefrags(tx_hdr->frame_control)) |
Herton Ronaldo Krzesinski | 38e3b0d | 2008-07-16 11:44:18 -0300 | [diff] [blame] | 255 | flags |= RTL818X_TX_DESC_FLAG_MOREFRAG; |
Andrea Merello | d294d02 | 2014-05-07 17:54:46 +0200 | [diff] [blame] | 256 | |
| 257 | /* HW will perform RTS-CTS when only RTS flags is set. |
| 258 | * HW will perform CTS-to-self when both RTS and CTS flags are set. |
| 259 | * RTS rate and RTS duration will be used also for CTS-to-self. |
| 260 | */ |
Johannes Berg | e6a9854 | 2008-10-21 12:40:02 +0200 | [diff] [blame] | 261 | if (info->control.rates[0].flags & IEEE80211_TX_RC_USE_RTS_CTS) { |
Herton Ronaldo Krzesinski | 38e3b0d | 2008-07-16 11:44:18 -0300 | [diff] [blame] | 262 | flags |= RTL818X_TX_DESC_FLAG_RTS; |
Johannes Berg | e039fa4 | 2008-05-15 12:55:29 +0200 | [diff] [blame] | 263 | flags |= ieee80211_get_rts_cts_rate(dev, info)->hw_value << 19; |
Johannes Berg | 32bfd35 | 2007-12-19 01:31:26 +0100 | [diff] [blame] | 264 | rts_dur = ieee80211_rts_duration(dev, priv->vif, |
Johannes Berg | e039fa4 | 2008-05-15 12:55:29 +0200 | [diff] [blame] | 265 | skb->len, info); |
Johannes Berg | e6a9854 | 2008-10-21 12:40:02 +0200 | [diff] [blame] | 266 | } else if (info->control.rates[0].flags & IEEE80211_TX_RC_USE_CTS_PROTECT) { |
Andrea Merello | d294d02 | 2014-05-07 17:54:46 +0200 | [diff] [blame] | 267 | flags |= RTL818X_TX_DESC_FLAG_RTS | RTL818X_TX_DESC_FLAG_CTS; |
Johannes Berg | e039fa4 | 2008-05-15 12:55:29 +0200 | [diff] [blame] | 268 | flags |= ieee80211_get_rts_cts_rate(dev, info)->hw_value << 19; |
Andrea Merello | d294d02 | 2014-05-07 17:54:46 +0200 | [diff] [blame] | 269 | rts_dur = ieee80211_ctstoself_duration(dev, priv->vif, |
| 270 | skb->len, info); |
Johannes Berg | aa68cbf | 2008-02-18 14:20:30 +0100 | [diff] [blame] | 271 | } |
Michael Wu | 98798f4 | 2007-10-10 17:28:59 -0400 | [diff] [blame] | 272 | |
Attila Fazekas | 41b58f1 | 2012-02-23 19:50:35 +0100 | [diff] [blame] | 273 | if (info->flags & IEEE80211_TX_CTL_ASSIGN_SEQ) { |
| 274 | if (info->flags & IEEE80211_TX_CTL_FIRST_FRAGMENT) |
| 275 | priv->seqno += 0x10; |
| 276 | tx_hdr->seq_ctrl &= cpu_to_le16(IEEE80211_SCTL_FRAG); |
| 277 | tx_hdr->seq_ctrl |= cpu_to_le16(priv->seqno); |
| 278 | } |
| 279 | |
Hin-Tak Leung | 6f7853f | 2008-07-08 12:36:04 +0100 | [diff] [blame] | 280 | if (!priv->is_rtl8187b) { |
| 281 | struct rtl8187_tx_hdr *hdr = |
| 282 | (struct rtl8187_tx_hdr *)skb_push(skb, sizeof(*hdr)); |
| 283 | hdr->flags = cpu_to_le32(flags); |
| 284 | hdr->len = 0; |
| 285 | hdr->rts_duration = rts_dur; |
herton | d9a1f48 | 2008-11-27 22:53:24 -0200 | [diff] [blame] | 286 | hdr->retry = cpu_to_le32((info->control.rates[0].count - 1) << 8); |
Hin-Tak Leung | 6f7853f | 2008-07-08 12:36:04 +0100 | [diff] [blame] | 287 | buf = hdr; |
| 288 | |
| 289 | ep = 2; |
| 290 | } else { |
| 291 | /* fc needs to be calculated before skb_push() */ |
| 292 | unsigned int epmap[4] = { 6, 7, 5, 4 }; |
Hin-Tak Leung | 6f7853f | 2008-07-08 12:36:04 +0100 | [diff] [blame] | 293 | u16 fc = le16_to_cpu(tx_hdr->frame_control); |
| 294 | |
| 295 | struct rtl8187b_tx_hdr *hdr = |
| 296 | (struct rtl8187b_tx_hdr *)skb_push(skb, sizeof(*hdr)); |
| 297 | struct ieee80211_rate *txrate = |
| 298 | ieee80211_get_tx_rate(dev, info); |
| 299 | memset(hdr, 0, sizeof(*hdr)); |
| 300 | hdr->flags = cpu_to_le32(flags); |
| 301 | hdr->rts_duration = rts_dur; |
herton | d9a1f48 | 2008-11-27 22:53:24 -0200 | [diff] [blame] | 302 | hdr->retry = cpu_to_le32((info->control.rates[0].count - 1) << 8); |
Hin-Tak Leung | 6f7853f | 2008-07-08 12:36:04 +0100 | [diff] [blame] | 303 | hdr->tx_duration = |
| 304 | ieee80211_generic_frame_duration(dev, priv->vif, |
Michal Kazior | 4ee73f3 | 2012-04-11 08:47:56 +0200 | [diff] [blame] | 305 | info->band, |
Hin-Tak Leung | 6f7853f | 2008-07-08 12:36:04 +0100 | [diff] [blame] | 306 | skb->len, txrate); |
| 307 | buf = hdr; |
| 308 | |
| 309 | if ((fc & IEEE80211_FCTL_FTYPE) == IEEE80211_FTYPE_MGMT) |
| 310 | ep = 12; |
| 311 | else |
| 312 | ep = epmap[skb_get_queue_mapping(skb)]; |
| 313 | } |
Michael Wu | 605bebe | 2007-05-14 01:41:02 -0400 | [diff] [blame] | 314 | |
Johannes Berg | e6a9854 | 2008-10-21 12:40:02 +0200 | [diff] [blame] | 315 | info->rate_driver_data[0] = dev; |
| 316 | info->rate_driver_data[1] = urb; |
Hin-Tak Leung | 6f7853f | 2008-07-08 12:36:04 +0100 | [diff] [blame] | 317 | |
| 318 | usb_fill_bulk_urb(urb, priv->udev, usb_sndbulkpipe(priv->udev, ep), |
| 319 | buf, skb->len, rtl8187_tx_cb, skb); |
Larry Finger | 2fcbab0 | 2009-01-23 11:46:32 -0600 | [diff] [blame] | 320 | urb->transfer_flags |= URB_ZERO_PACKET; |
Larry Finger | c1db52b | 2008-12-09 23:34:27 -0600 | [diff] [blame] | 321 | usb_anchor_urb(urb, &priv->anchored); |
Oliver Neukum | ea8ee24 | 2008-05-15 21:49:16 +0200 | [diff] [blame] | 322 | rc = usb_submit_urb(urb, GFP_ATOMIC); |
| 323 | if (rc < 0) { |
Larry Finger | c1db52b | 2008-12-09 23:34:27 -0600 | [diff] [blame] | 324 | usb_unanchor_urb(urb); |
Oliver Neukum | ea8ee24 | 2008-05-15 21:49:16 +0200 | [diff] [blame] | 325 | kfree_skb(skb); |
| 326 | } |
Larry Finger | c1db52b | 2008-12-09 23:34:27 -0600 | [diff] [blame] | 327 | usb_free_urb(urb); |
Michael Wu | 605bebe | 2007-05-14 01:41:02 -0400 | [diff] [blame] | 328 | } |
| 329 | |
| 330 | static void rtl8187_rx_cb(struct urb *urb) |
| 331 | { |
| 332 | struct sk_buff *skb = (struct sk_buff *)urb->context; |
| 333 | struct rtl8187_rx_info *info = (struct rtl8187_rx_info *)skb->cb; |
| 334 | struct ieee80211_hw *dev = info->dev; |
| 335 | struct rtl8187_priv *priv = dev->priv; |
Michael Wu | 605bebe | 2007-05-14 01:41:02 -0400 | [diff] [blame] | 336 | struct ieee80211_rx_status rx_status = { 0 }; |
| 337 | int rate, signal; |
Johannes Berg | 4150c57 | 2007-09-17 01:29:23 -0400 | [diff] [blame] | 338 | u32 flags; |
Herton Ronaldo Krzesinski | d858822 | 2008-12-14 12:18:09 -0600 | [diff] [blame] | 339 | unsigned long f; |
Michael Wu | 605bebe | 2007-05-14 01:41:02 -0400 | [diff] [blame] | 340 | |
Herton Ronaldo Krzesinski | d858822 | 2008-12-14 12:18:09 -0600 | [diff] [blame] | 341 | spin_lock_irqsave(&priv->rx_queue.lock, f); |
David S. Miller | 46c3767 | 2009-05-28 01:22:57 -0700 | [diff] [blame] | 342 | __skb_unlink(skb, &priv->rx_queue); |
Herton Ronaldo Krzesinski | d858822 | 2008-12-14 12:18:09 -0600 | [diff] [blame] | 343 | spin_unlock_irqrestore(&priv->rx_queue.lock, f); |
Larry Finger | c1db52b | 2008-12-09 23:34:27 -0600 | [diff] [blame] | 344 | skb_put(skb, urb->actual_length); |
Michael Wu | 605bebe | 2007-05-14 01:41:02 -0400 | [diff] [blame] | 345 | |
| 346 | if (unlikely(urb->status)) { |
Michael Wu | 605bebe | 2007-05-14 01:41:02 -0400 | [diff] [blame] | 347 | dev_kfree_skb_irq(skb); |
| 348 | return; |
| 349 | } |
| 350 | |
Hin-Tak Leung | 6f7853f | 2008-07-08 12:36:04 +0100 | [diff] [blame] | 351 | if (!priv->is_rtl8187b) { |
| 352 | struct rtl8187_rx_hdr *hdr = |
| 353 | (typeof(hdr))(skb_tail_pointer(skb) - sizeof(*hdr)); |
| 354 | flags = le32_to_cpu(hdr->flags); |
Larry Finger | a7db74f | 2008-12-03 22:21:20 -0600 | [diff] [blame] | 355 | /* As with the RTL8187B below, the AGC is used to calculate |
Larry Finger | 70d9f40 | 2009-11-05 00:09:51 -0600 | [diff] [blame] | 356 | * signal strength. In this case, the scaling |
Larry Finger | a7db74f | 2008-12-03 22:21:20 -0600 | [diff] [blame] | 357 | * constants are derived from the output of p54usb. |
| 358 | */ |
Larry Finger | a7db74f | 2008-12-03 22:21:20 -0600 | [diff] [blame] | 359 | signal = -4 - ((27 * hdr->agc) >> 6); |
Hin-Tak Leung | 6f7853f | 2008-07-08 12:36:04 +0100 | [diff] [blame] | 360 | rx_status.antenna = (hdr->signal >> 7) & 1; |
Hin-Tak Leung | 6f7853f | 2008-07-08 12:36:04 +0100 | [diff] [blame] | 361 | rx_status.mactime = le64_to_cpu(hdr->mac_time); |
Hin-Tak Leung | 6f7853f | 2008-07-08 12:36:04 +0100 | [diff] [blame] | 362 | } else { |
| 363 | struct rtl8187b_rx_hdr *hdr = |
| 364 | (typeof(hdr))(skb_tail_pointer(skb) - sizeof(*hdr)); |
Larry Finger | 0ccd58f | 2008-07-28 22:25:08 -0500 | [diff] [blame] | 365 | /* The Realtek datasheet for the RTL8187B shows that the RX |
| 366 | * header contains the following quantities: signal quality, |
| 367 | * RSSI, AGC, the received power in dB, and the measured SNR. |
| 368 | * In testing, none of these quantities show qualitative |
| 369 | * agreement with AP signal strength, except for the AGC, |
| 370 | * which is inversely proportional to the strength of the |
Larry Finger | 70d9f40 | 2009-11-05 00:09:51 -0600 | [diff] [blame] | 371 | * signal. In the following, the signal strength |
| 372 | * is derived from the AGC. The arbitrary scaling constants |
Larry Finger | 0ccd58f | 2008-07-28 22:25:08 -0500 | [diff] [blame] | 373 | * are chosen to make the results close to the values obtained |
| 374 | * for a BCM4312 using b43 as the driver. The noise is ignored |
| 375 | * for now. |
| 376 | */ |
Hin-Tak Leung | 6f7853f | 2008-07-08 12:36:04 +0100 | [diff] [blame] | 377 | flags = le32_to_cpu(hdr->flags); |
Larry Finger | 0ccd58f | 2008-07-28 22:25:08 -0500 | [diff] [blame] | 378 | signal = 14 - hdr->agc / 2; |
Larry Finger | 0ccd58f | 2008-07-28 22:25:08 -0500 | [diff] [blame] | 379 | rx_status.antenna = (hdr->rssi >> 7) & 1; |
Hin-Tak Leung | 6f7853f | 2008-07-08 12:36:04 +0100 | [diff] [blame] | 380 | rx_status.mactime = le64_to_cpu(hdr->mac_time); |
Hin-Tak Leung | 6f7853f | 2008-07-08 12:36:04 +0100 | [diff] [blame] | 381 | } |
Michael Wu | 605bebe | 2007-05-14 01:41:02 -0400 | [diff] [blame] | 382 | |
Larry Finger | a7db74f | 2008-12-03 22:21:20 -0600 | [diff] [blame] | 383 | rx_status.signal = signal; |
| 384 | priv->signal = signal; |
| 385 | rate = (flags >> 20) & 0xF; |
Hin-Tak Leung | 6f7853f | 2008-07-08 12:36:04 +0100 | [diff] [blame] | 386 | skb_trim(skb, flags & 0x0FFF); |
Johannes Berg | 8318d78 | 2008-01-24 19:38:38 +0100 | [diff] [blame] | 387 | rx_status.rate_idx = rate; |
Karl Beldan | 675a0b0 | 2013-03-25 16:26:57 +0100 | [diff] [blame] | 388 | rx_status.freq = dev->conf.chandef.chan->center_freq; |
| 389 | rx_status.band = dev->conf.chandef.chan->band; |
Thomas Pedersen | f4bda33 | 2012-11-13 10:46:27 -0800 | [diff] [blame] | 390 | rx_status.flag |= RX_FLAG_MACTIME_START; |
Andrea Merello | 97bd8c7 | 2014-05-07 17:51:43 +0200 | [diff] [blame] | 391 | if (flags & RTL818X_RX_DESC_FLAG_SPLCP) |
| 392 | rx_status.flag |= RX_FLAG_SHORTPRE; |
Herton Ronaldo Krzesinski | 38e3b0d | 2008-07-16 11:44:18 -0300 | [diff] [blame] | 393 | if (flags & RTL818X_RX_DESC_FLAG_CRC32_ERR) |
Johannes Berg | 4150c57 | 2007-09-17 01:29:23 -0400 | [diff] [blame] | 394 | rx_status.flag |= RX_FLAG_FAILED_FCS_CRC; |
Johannes Berg | f1d58c2 | 2009-06-17 13:13:00 +0200 | [diff] [blame] | 395 | memcpy(IEEE80211_SKB_RXCB(skb), &rx_status, sizeof(rx_status)); |
| 396 | ieee80211_rx_irqsafe(dev, skb); |
Michael Wu | 605bebe | 2007-05-14 01:41:02 -0400 | [diff] [blame] | 397 | |
| 398 | skb = dev_alloc_skb(RTL8187_MAX_RX); |
| 399 | if (unlikely(!skb)) { |
Michael Wu | 605bebe | 2007-05-14 01:41:02 -0400 | [diff] [blame] | 400 | /* TODO check rx queue length and refill *somewhere* */ |
| 401 | return; |
| 402 | } |
| 403 | |
| 404 | info = (struct rtl8187_rx_info *)skb->cb; |
| 405 | info->urb = urb; |
| 406 | info->dev = dev; |
| 407 | urb->transfer_buffer = skb_tail_pointer(skb); |
| 408 | urb->context = skb; |
| 409 | skb_queue_tail(&priv->rx_queue, skb); |
| 410 | |
Larry Finger | c1db52b | 2008-12-09 23:34:27 -0600 | [diff] [blame] | 411 | usb_anchor_urb(urb, &priv->anchored); |
| 412 | if (usb_submit_urb(urb, GFP_ATOMIC)) { |
| 413 | usb_unanchor_urb(urb); |
| 414 | skb_unlink(skb, &priv->rx_queue); |
| 415 | dev_kfree_skb_irq(skb); |
| 416 | } |
Michael Wu | 605bebe | 2007-05-14 01:41:02 -0400 | [diff] [blame] | 417 | } |
| 418 | |
| 419 | static int rtl8187_init_urbs(struct ieee80211_hw *dev) |
| 420 | { |
| 421 | struct rtl8187_priv *priv = dev->priv; |
Larry Finger | c1db52b | 2008-12-09 23:34:27 -0600 | [diff] [blame] | 422 | struct urb *entry = NULL; |
Michael Wu | 605bebe | 2007-05-14 01:41:02 -0400 | [diff] [blame] | 423 | struct sk_buff *skb; |
| 424 | struct rtl8187_rx_info *info; |
Larry Finger | c1db52b | 2008-12-09 23:34:27 -0600 | [diff] [blame] | 425 | int ret = 0; |
Michael Wu | 605bebe | 2007-05-14 01:41:02 -0400 | [diff] [blame] | 426 | |
Larry Finger | 9b0fa73 | 2013-10-29 17:06:41 -0500 | [diff] [blame] | 427 | while (skb_queue_len(&priv->rx_queue) < 32) { |
Michael Wu | 605bebe | 2007-05-14 01:41:02 -0400 | [diff] [blame] | 428 | skb = __dev_alloc_skb(RTL8187_MAX_RX, GFP_KERNEL); |
Larry Finger | c1db52b | 2008-12-09 23:34:27 -0600 | [diff] [blame] | 429 | if (!skb) { |
| 430 | ret = -ENOMEM; |
| 431 | goto err; |
| 432 | } |
Michael Wu | 605bebe | 2007-05-14 01:41:02 -0400 | [diff] [blame] | 433 | entry = usb_alloc_urb(0, GFP_KERNEL); |
| 434 | if (!entry) { |
Larry Finger | c1db52b | 2008-12-09 23:34:27 -0600 | [diff] [blame] | 435 | ret = -ENOMEM; |
| 436 | goto err; |
Michael Wu | 605bebe | 2007-05-14 01:41:02 -0400 | [diff] [blame] | 437 | } |
| 438 | usb_fill_bulk_urb(entry, priv->udev, |
Hin-Tak Leung | 6f7853f | 2008-07-08 12:36:04 +0100 | [diff] [blame] | 439 | usb_rcvbulkpipe(priv->udev, |
| 440 | priv->is_rtl8187b ? 3 : 1), |
Michael Wu | 605bebe | 2007-05-14 01:41:02 -0400 | [diff] [blame] | 441 | skb_tail_pointer(skb), |
| 442 | RTL8187_MAX_RX, rtl8187_rx_cb, skb); |
| 443 | info = (struct rtl8187_rx_info *)skb->cb; |
| 444 | info->urb = entry; |
| 445 | info->dev = dev; |
| 446 | skb_queue_tail(&priv->rx_queue, skb); |
Larry Finger | c1db52b | 2008-12-09 23:34:27 -0600 | [diff] [blame] | 447 | usb_anchor_urb(entry, &priv->anchored); |
| 448 | ret = usb_submit_urb(entry, GFP_KERNEL); |
Alexey Khoroshilov | 8a10da2 | 2013-09-04 00:37:17 +0400 | [diff] [blame] | 449 | usb_put_urb(entry); |
Larry Finger | c1db52b | 2008-12-09 23:34:27 -0600 | [diff] [blame] | 450 | if (ret) { |
| 451 | skb_unlink(skb, &priv->rx_queue); |
| 452 | usb_unanchor_urb(entry); |
| 453 | goto err; |
| 454 | } |
Michael Wu | 605bebe | 2007-05-14 01:41:02 -0400 | [diff] [blame] | 455 | } |
Larry Finger | c1db52b | 2008-12-09 23:34:27 -0600 | [diff] [blame] | 456 | return ret; |
Michael Wu | 605bebe | 2007-05-14 01:41:02 -0400 | [diff] [blame] | 457 | |
Larry Finger | c1db52b | 2008-12-09 23:34:27 -0600 | [diff] [blame] | 458 | err: |
Larry Finger | c1db52b | 2008-12-09 23:34:27 -0600 | [diff] [blame] | 459 | kfree_skb(skb); |
| 460 | usb_kill_anchored_urbs(&priv->anchored); |
| 461 | return ret; |
Michael Wu | 605bebe | 2007-05-14 01:41:02 -0400 | [diff] [blame] | 462 | } |
| 463 | |
Herton Ronaldo Krzesinski | 3517afd | 2008-11-13 10:39:16 -0500 | [diff] [blame] | 464 | static void rtl8187b_status_cb(struct urb *urb) |
| 465 | { |
| 466 | struct ieee80211_hw *hw = (struct ieee80211_hw *)urb->context; |
| 467 | struct rtl8187_priv *priv = hw->priv; |
| 468 | u64 val; |
| 469 | unsigned int cmd_type; |
| 470 | |
Larry Finger | c1db52b | 2008-12-09 23:34:27 -0600 | [diff] [blame] | 471 | if (unlikely(urb->status)) |
Herton Ronaldo Krzesinski | 3517afd | 2008-11-13 10:39:16 -0500 | [diff] [blame] | 472 | return; |
Herton Ronaldo Krzesinski | 3517afd | 2008-11-13 10:39:16 -0500 | [diff] [blame] | 473 | |
| 474 | /* |
| 475 | * Read from status buffer: |
| 476 | * |
| 477 | * bits [30:31] = cmd type: |
| 478 | * - 0 indicates tx beacon interrupt |
| 479 | * - 1 indicates tx close descriptor |
| 480 | * |
| 481 | * In the case of tx beacon interrupt: |
| 482 | * [0:9] = Last Beacon CW |
| 483 | * [10:29] = reserved |
| 484 | * [30:31] = 00b |
| 485 | * [32:63] = Last Beacon TSF |
| 486 | * |
| 487 | * If it's tx close descriptor: |
| 488 | * [0:7] = Packet Retry Count |
| 489 | * [8:14] = RTS Retry Count |
| 490 | * [15] = TOK |
| 491 | * [16:27] = Sequence No |
| 492 | * [28] = LS |
| 493 | * [29] = FS |
| 494 | * [30:31] = 01b |
| 495 | * [32:47] = unused (reserved?) |
| 496 | * [48:63] = MAC Used Time |
| 497 | */ |
| 498 | val = le64_to_cpu(priv->b_tx_status.buf); |
| 499 | |
| 500 | cmd_type = (val >> 30) & 0x3; |
| 501 | if (cmd_type == 1) { |
| 502 | unsigned int pkt_rc, seq_no; |
| 503 | bool tok; |
| 504 | struct sk_buff *skb; |
| 505 | struct ieee80211_hdr *ieee80211hdr; |
| 506 | unsigned long flags; |
| 507 | |
| 508 | pkt_rc = val & 0xFF; |
| 509 | tok = val & (1 << 15); |
| 510 | seq_no = (val >> 16) & 0xFFF; |
| 511 | |
| 512 | spin_lock_irqsave(&priv->b_tx_status.queue.lock, flags); |
| 513 | skb_queue_reverse_walk(&priv->b_tx_status.queue, skb) { |
| 514 | ieee80211hdr = (struct ieee80211_hdr *)skb->data; |
| 515 | |
| 516 | /* |
| 517 | * While testing, it was discovered that the seq_no |
| 518 | * doesn't actually contains the sequence number. |
| 519 | * Instead of returning just the 12 bits of sequence |
| 520 | * number, hardware is returning entire sequence control |
| 521 | * (fragment number plus sequence number) in a 12 bit |
| 522 | * only field overflowing after some time. As a |
| 523 | * workaround, just consider the lower bits, and expect |
| 524 | * it's unlikely we wrongly ack some sent data |
| 525 | */ |
| 526 | if ((le16_to_cpu(ieee80211hdr->seq_ctrl) |
| 527 | & 0xFFF) == seq_no) |
| 528 | break; |
| 529 | } |
| 530 | if (skb != (struct sk_buff *) &priv->b_tx_status.queue) { |
| 531 | struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); |
| 532 | |
| 533 | __skb_unlink(skb, &priv->b_tx_status.queue); |
| 534 | if (tok) |
| 535 | info->flags |= IEEE80211_TX_STAT_ACK; |
Larry Finger | 1548c86 | 2008-11-17 09:08:21 -0600 | [diff] [blame] | 536 | info->status.rates[0].count = pkt_rc + 1; |
Herton Ronaldo Krzesinski | 3517afd | 2008-11-13 10:39:16 -0500 | [diff] [blame] | 537 | |
| 538 | ieee80211_tx_status_irqsafe(hw, skb); |
| 539 | } |
| 540 | spin_unlock_irqrestore(&priv->b_tx_status.queue.lock, flags); |
| 541 | } |
| 542 | |
Larry Finger | c1db52b | 2008-12-09 23:34:27 -0600 | [diff] [blame] | 543 | usb_anchor_urb(urb, &priv->anchored); |
| 544 | if (usb_submit_urb(urb, GFP_ATOMIC)) |
| 545 | usb_unanchor_urb(urb); |
Herton Ronaldo Krzesinski | 3517afd | 2008-11-13 10:39:16 -0500 | [diff] [blame] | 546 | } |
| 547 | |
| 548 | static int rtl8187b_init_status_urb(struct ieee80211_hw *dev) |
| 549 | { |
| 550 | struct rtl8187_priv *priv = dev->priv; |
| 551 | struct urb *entry; |
Larry Finger | c1db52b | 2008-12-09 23:34:27 -0600 | [diff] [blame] | 552 | int ret = 0; |
Herton Ronaldo Krzesinski | 3517afd | 2008-11-13 10:39:16 -0500 | [diff] [blame] | 553 | |
| 554 | entry = usb_alloc_urb(0, GFP_KERNEL); |
| 555 | if (!entry) |
| 556 | return -ENOMEM; |
Herton Ronaldo Krzesinski | 3517afd | 2008-11-13 10:39:16 -0500 | [diff] [blame] | 557 | |
| 558 | usb_fill_bulk_urb(entry, priv->udev, usb_rcvbulkpipe(priv->udev, 9), |
| 559 | &priv->b_tx_status.buf, sizeof(priv->b_tx_status.buf), |
| 560 | rtl8187b_status_cb, dev); |
| 561 | |
Larry Finger | c1db52b | 2008-12-09 23:34:27 -0600 | [diff] [blame] | 562 | usb_anchor_urb(entry, &priv->anchored); |
| 563 | ret = usb_submit_urb(entry, GFP_KERNEL); |
| 564 | if (ret) |
| 565 | usb_unanchor_urb(entry); |
| 566 | usb_free_urb(entry); |
Herton Ronaldo Krzesinski | 3517afd | 2008-11-13 10:39:16 -0500 | [diff] [blame] | 567 | |
Larry Finger | c1db52b | 2008-12-09 23:34:27 -0600 | [diff] [blame] | 568 | return ret; |
Herton Ronaldo Krzesinski | 3517afd | 2008-11-13 10:39:16 -0500 | [diff] [blame] | 569 | } |
| 570 | |
Herton Ronaldo Krzesinski | 0bf198e | 2010-11-01 22:59:37 -0200 | [diff] [blame] | 571 | static void rtl8187_set_anaparam(struct rtl8187_priv *priv, bool rfon) |
| 572 | { |
| 573 | u32 anaparam, anaparam2; |
| 574 | u8 anaparam3, reg; |
| 575 | |
| 576 | if (!priv->is_rtl8187b) { |
| 577 | if (rfon) { |
| 578 | anaparam = RTL8187_RTL8225_ANAPARAM_ON; |
| 579 | anaparam2 = RTL8187_RTL8225_ANAPARAM2_ON; |
| 580 | } else { |
| 581 | anaparam = RTL8187_RTL8225_ANAPARAM_OFF; |
| 582 | anaparam2 = RTL8187_RTL8225_ANAPARAM2_OFF; |
| 583 | } |
| 584 | } else { |
| 585 | if (rfon) { |
| 586 | anaparam = RTL8187B_RTL8225_ANAPARAM_ON; |
| 587 | anaparam2 = RTL8187B_RTL8225_ANAPARAM2_ON; |
| 588 | anaparam3 = RTL8187B_RTL8225_ANAPARAM3_ON; |
| 589 | } else { |
| 590 | anaparam = RTL8187B_RTL8225_ANAPARAM_OFF; |
| 591 | anaparam2 = RTL8187B_RTL8225_ANAPARAM2_OFF; |
| 592 | anaparam3 = RTL8187B_RTL8225_ANAPARAM3_OFF; |
| 593 | } |
| 594 | } |
| 595 | |
| 596 | rtl818x_iowrite8(priv, &priv->map->EEPROM_CMD, |
| 597 | RTL818X_EEPROM_CMD_CONFIG); |
| 598 | reg = rtl818x_ioread8(priv, &priv->map->CONFIG3); |
| 599 | reg |= RTL818X_CONFIG3_ANAPARAM_WRITE; |
| 600 | rtl818x_iowrite8(priv, &priv->map->CONFIG3, reg); |
| 601 | rtl818x_iowrite32(priv, &priv->map->ANAPARAM, anaparam); |
| 602 | rtl818x_iowrite32(priv, &priv->map->ANAPARAM2, anaparam2); |
| 603 | if (priv->is_rtl8187b) |
Andrea Merello | aabcaa8 | 2014-03-28 18:12:08 +0100 | [diff] [blame] | 604 | rtl818x_iowrite8(priv, &priv->map->ANAPARAM3A, anaparam3); |
Herton Ronaldo Krzesinski | 0bf198e | 2010-11-01 22:59:37 -0200 | [diff] [blame] | 605 | reg &= ~RTL818X_CONFIG3_ANAPARAM_WRITE; |
| 606 | rtl818x_iowrite8(priv, &priv->map->CONFIG3, reg); |
| 607 | rtl818x_iowrite8(priv, &priv->map->EEPROM_CMD, |
| 608 | RTL818X_EEPROM_CMD_NORMAL); |
| 609 | } |
| 610 | |
Hin-Tak Leung | f8a08c3 | 2008-07-08 12:33:34 +0100 | [diff] [blame] | 611 | static int rtl8187_cmd_reset(struct ieee80211_hw *dev) |
Michael Wu | 605bebe | 2007-05-14 01:41:02 -0400 | [diff] [blame] | 612 | { |
| 613 | struct rtl8187_priv *priv = dev->priv; |
| 614 | u8 reg; |
| 615 | int i; |
| 616 | |
Michael Wu | 605bebe | 2007-05-14 01:41:02 -0400 | [diff] [blame] | 617 | reg = rtl818x_ioread8(priv, &priv->map->CMD); |
| 618 | reg &= (1 << 1); |
| 619 | reg |= RTL818X_CMD_RESET; |
| 620 | rtl818x_iowrite8(priv, &priv->map->CMD, reg); |
| 621 | |
| 622 | i = 10; |
| 623 | do { |
| 624 | msleep(2); |
| 625 | if (!(rtl818x_ioread8(priv, &priv->map->CMD) & |
| 626 | RTL818X_CMD_RESET)) |
| 627 | break; |
| 628 | } while (--i); |
| 629 | |
| 630 | if (!i) { |
Joe Perches | 5db5584 | 2010-08-11 19:11:19 -0700 | [diff] [blame] | 631 | wiphy_err(dev->wiphy, "Reset timeout!\n"); |
Michael Wu | 605bebe | 2007-05-14 01:41:02 -0400 | [diff] [blame] | 632 | return -ETIMEDOUT; |
| 633 | } |
| 634 | |
| 635 | /* reload registers from eeprom */ |
| 636 | rtl818x_iowrite8(priv, &priv->map->EEPROM_CMD, RTL818X_EEPROM_CMD_LOAD); |
| 637 | |
| 638 | i = 10; |
| 639 | do { |
| 640 | msleep(4); |
| 641 | if (!(rtl818x_ioread8(priv, &priv->map->EEPROM_CMD) & |
| 642 | RTL818X_EEPROM_CMD_CONFIG)) |
| 643 | break; |
| 644 | } while (--i); |
| 645 | |
| 646 | if (!i) { |
Joe Perches | c96c31e | 2010-07-26 14:39:58 -0700 | [diff] [blame] | 647 | wiphy_err(dev->wiphy, "eeprom reset timeout!\n"); |
Michael Wu | 605bebe | 2007-05-14 01:41:02 -0400 | [diff] [blame] | 648 | return -ETIMEDOUT; |
| 649 | } |
| 650 | |
Hin-Tak Leung | f8a08c3 | 2008-07-08 12:33:34 +0100 | [diff] [blame] | 651 | return 0; |
| 652 | } |
| 653 | |
| 654 | static int rtl8187_init_hw(struct ieee80211_hw *dev) |
| 655 | { |
| 656 | struct rtl8187_priv *priv = dev->priv; |
| 657 | u8 reg; |
| 658 | int res; |
| 659 | |
| 660 | /* reset */ |
Herton Ronaldo Krzesinski | 0bf198e | 2010-11-01 22:59:37 -0200 | [diff] [blame] | 661 | rtl8187_set_anaparam(priv, true); |
Hin-Tak Leung | f8a08c3 | 2008-07-08 12:33:34 +0100 | [diff] [blame] | 662 | |
| 663 | rtl818x_iowrite16(priv, &priv->map->INT_MASK, 0); |
| 664 | |
| 665 | msleep(200); |
| 666 | rtl818x_iowrite8(priv, (u8 *)0xFE18, 0x10); |
| 667 | rtl818x_iowrite8(priv, (u8 *)0xFE18, 0x11); |
| 668 | rtl818x_iowrite8(priv, (u8 *)0xFE18, 0x00); |
| 669 | msleep(200); |
| 670 | |
| 671 | res = rtl8187_cmd_reset(dev); |
| 672 | if (res) |
| 673 | return res; |
| 674 | |
Herton Ronaldo Krzesinski | 0bf198e | 2010-11-01 22:59:37 -0200 | [diff] [blame] | 675 | rtl8187_set_anaparam(priv, true); |
Michael Wu | 605bebe | 2007-05-14 01:41:02 -0400 | [diff] [blame] | 676 | |
| 677 | /* setup card */ |
| 678 | rtl818x_iowrite16(priv, &priv->map->RFPinsSelect, 0); |
Herton Ronaldo Krzesinski | ca9152e | 2009-08-26 13:54:09 -0300 | [diff] [blame] | 679 | rtl818x_iowrite8(priv, &priv->map->GPIO0, 0); |
Michael Wu | 605bebe | 2007-05-14 01:41:02 -0400 | [diff] [blame] | 680 | |
| 681 | rtl818x_iowrite16(priv, &priv->map->RFPinsSelect, (4 << 8)); |
Herton Ronaldo Krzesinski | ca9152e | 2009-08-26 13:54:09 -0300 | [diff] [blame] | 682 | rtl818x_iowrite8(priv, &priv->map->GPIO0, 1); |
Michael Wu | 605bebe | 2007-05-14 01:41:02 -0400 | [diff] [blame] | 683 | rtl818x_iowrite8(priv, &priv->map->GP_ENABLE, 0); |
| 684 | |
| 685 | rtl818x_iowrite8(priv, &priv->map->EEPROM_CMD, RTL818X_EEPROM_CMD_CONFIG); |
Michael Wu | 605bebe | 2007-05-14 01:41:02 -0400 | [diff] [blame] | 686 | |
| 687 | rtl818x_iowrite16(priv, (__le16 *)0xFFF4, 0xFFFF); |
| 688 | reg = rtl818x_ioread8(priv, &priv->map->CONFIG1); |
| 689 | reg &= 0x3F; |
| 690 | reg |= 0x80; |
| 691 | rtl818x_iowrite8(priv, &priv->map->CONFIG1, reg); |
| 692 | |
| 693 | rtl818x_iowrite8(priv, &priv->map->EEPROM_CMD, RTL818X_EEPROM_CMD_NORMAL); |
| 694 | |
| 695 | rtl818x_iowrite32(priv, &priv->map->INT_TIMEOUT, 0); |
| 696 | rtl818x_iowrite8(priv, &priv->map->WPA_CONF, 0); |
Larry Finger | 2f47690 | 2009-01-23 11:40:22 -0600 | [diff] [blame] | 697 | rtl818x_iowrite8(priv, &priv->map->RATE_FALLBACK, 0); |
Michael Wu | 605bebe | 2007-05-14 01:41:02 -0400 | [diff] [blame] | 698 | |
| 699 | // TODO: set RESP_RATE and BRSR properly |
| 700 | rtl818x_iowrite8(priv, &priv->map->RESP_RATE, (8 << 4) | 0); |
| 701 | rtl818x_iowrite16(priv, &priv->map->BRSR, 0x01F3); |
| 702 | |
| 703 | /* host_usb_init */ |
| 704 | rtl818x_iowrite16(priv, &priv->map->RFPinsSelect, 0); |
Herton Ronaldo Krzesinski | ca9152e | 2009-08-26 13:54:09 -0300 | [diff] [blame] | 705 | rtl818x_iowrite8(priv, &priv->map->GPIO0, 0); |
Michael Wu | 605bebe | 2007-05-14 01:41:02 -0400 | [diff] [blame] | 706 | reg = rtl818x_ioread8(priv, (u8 *)0xFE53); |
| 707 | rtl818x_iowrite8(priv, (u8 *)0xFE53, reg | (1 << 7)); |
| 708 | rtl818x_iowrite16(priv, &priv->map->RFPinsSelect, (4 << 8)); |
Herton Ronaldo Krzesinski | ca9152e | 2009-08-26 13:54:09 -0300 | [diff] [blame] | 709 | rtl818x_iowrite8(priv, &priv->map->GPIO0, 0x20); |
Michael Wu | 605bebe | 2007-05-14 01:41:02 -0400 | [diff] [blame] | 710 | rtl818x_iowrite8(priv, &priv->map->GP_ENABLE, 0); |
| 711 | rtl818x_iowrite16(priv, &priv->map->RFPinsOutput, 0x80); |
| 712 | rtl818x_iowrite16(priv, &priv->map->RFPinsSelect, 0x80); |
| 713 | rtl818x_iowrite16(priv, &priv->map->RFPinsEnable, 0x80); |
| 714 | msleep(100); |
| 715 | |
| 716 | rtl818x_iowrite32(priv, &priv->map->RF_TIMING, 0x000a8008); |
| 717 | rtl818x_iowrite16(priv, &priv->map->BRSR, 0xFFFF); |
| 718 | rtl818x_iowrite32(priv, &priv->map->RF_PARA, 0x00100044); |
Hin-Tak Leung | f8a08c3 | 2008-07-08 12:33:34 +0100 | [diff] [blame] | 719 | rtl818x_iowrite8(priv, &priv->map->EEPROM_CMD, |
| 720 | RTL818X_EEPROM_CMD_CONFIG); |
Michael Wu | 605bebe | 2007-05-14 01:41:02 -0400 | [diff] [blame] | 721 | rtl818x_iowrite8(priv, &priv->map->CONFIG3, 0x44); |
Hin-Tak Leung | f8a08c3 | 2008-07-08 12:33:34 +0100 | [diff] [blame] | 722 | rtl818x_iowrite8(priv, &priv->map->EEPROM_CMD, |
| 723 | RTL818X_EEPROM_CMD_NORMAL); |
Michael Wu | 605bebe | 2007-05-14 01:41:02 -0400 | [diff] [blame] | 724 | rtl818x_iowrite16(priv, &priv->map->RFPinsEnable, 0x1FF7); |
| 725 | msleep(100); |
| 726 | |
Michael Wu | f653211 | 2007-10-14 14:43:16 -0400 | [diff] [blame] | 727 | priv->rf->init(dev); |
Michael Wu | 605bebe | 2007-05-14 01:41:02 -0400 | [diff] [blame] | 728 | |
| 729 | rtl818x_iowrite16(priv, &priv->map->BRSR, 0x01F3); |
Michael Wu | f653211 | 2007-10-14 14:43:16 -0400 | [diff] [blame] | 730 | reg = rtl818x_ioread8(priv, &priv->map->PGSELECT) & ~1; |
| 731 | rtl818x_iowrite8(priv, &priv->map->PGSELECT, reg | 1); |
Michael Wu | 605bebe | 2007-05-14 01:41:02 -0400 | [diff] [blame] | 732 | rtl818x_iowrite16(priv, (__le16 *)0xFFFE, 0x10); |
| 733 | rtl818x_iowrite8(priv, &priv->map->TALLY_SEL, 0x80); |
| 734 | rtl818x_iowrite8(priv, (u8 *)0xFFFF, 0x60); |
Michael Wu | f653211 | 2007-10-14 14:43:16 -0400 | [diff] [blame] | 735 | rtl818x_iowrite8(priv, &priv->map->PGSELECT, reg); |
Michael Wu | 605bebe | 2007-05-14 01:41:02 -0400 | [diff] [blame] | 736 | |
| 737 | return 0; |
| 738 | } |
| 739 | |
Hin-Tak Leung | f8a08c3 | 2008-07-08 12:33:34 +0100 | [diff] [blame] | 740 | static const u8 rtl8187b_reg_table[][3] = { |
| 741 | {0xF0, 0x32, 0}, {0xF1, 0x32, 0}, {0xF2, 0x00, 0}, {0xF3, 0x00, 0}, |
| 742 | {0xF4, 0x32, 0}, {0xF5, 0x43, 0}, {0xF6, 0x00, 0}, {0xF7, 0x00, 0}, |
| 743 | {0xF8, 0x46, 0}, {0xF9, 0xA4, 0}, {0xFA, 0x00, 0}, {0xFB, 0x00, 0}, |
| 744 | {0xFC, 0x96, 0}, {0xFD, 0xA4, 0}, {0xFE, 0x00, 0}, {0xFF, 0x00, 0}, |
| 745 | |
| 746 | {0x58, 0x4B, 1}, {0x59, 0x00, 1}, {0x5A, 0x4B, 1}, {0x5B, 0x00, 1}, |
| 747 | {0x60, 0x4B, 1}, {0x61, 0x09, 1}, {0x62, 0x4B, 1}, {0x63, 0x09, 1}, |
Herton Ronaldo Krzesinski | 327571e | 2010-11-01 22:59:31 -0200 | [diff] [blame] | 748 | {0xCE, 0x0F, 1}, {0xCF, 0x00, 1}, {0xF0, 0x4E, 1}, {0xF1, 0x01, 1}, |
| 749 | {0xF2, 0x02, 1}, {0xF3, 0x03, 1}, {0xF4, 0x04, 1}, {0xF5, 0x05, 1}, |
| 750 | {0xF6, 0x06, 1}, {0xF7, 0x07, 1}, {0xF8, 0x08, 1}, |
Hin-Tak Leung | f8a08c3 | 2008-07-08 12:33:34 +0100 | [diff] [blame] | 751 | |
| 752 | {0x4E, 0x00, 2}, {0x0C, 0x04, 2}, {0x21, 0x61, 2}, {0x22, 0x68, 2}, |
| 753 | {0x23, 0x6F, 2}, {0x24, 0x76, 2}, {0x25, 0x7D, 2}, {0x26, 0x84, 2}, |
| 754 | {0x27, 0x8D, 2}, {0x4D, 0x08, 2}, {0x50, 0x05, 2}, {0x51, 0xF5, 2}, |
| 755 | {0x52, 0x04, 2}, {0x53, 0xA0, 2}, {0x54, 0x1F, 2}, {0x55, 0x23, 2}, |
| 756 | {0x56, 0x45, 2}, {0x57, 0x67, 2}, {0x58, 0x08, 2}, {0x59, 0x08, 2}, |
| 757 | {0x5A, 0x08, 2}, {0x5B, 0x08, 2}, {0x60, 0x08, 2}, {0x61, 0x08, 2}, |
Herton Ronaldo Krzesinski | a8ff34e | 2010-11-01 22:59:34 -0200 | [diff] [blame] | 758 | {0x62, 0x08, 2}, {0x63, 0x08, 2}, {0x64, 0xCF, 2}, |
Hin-Tak Leung | f8a08c3 | 2008-07-08 12:33:34 +0100 | [diff] [blame] | 759 | |
Herton Ronaldo Krzesinski | 60f5891 | 2010-11-01 22:59:33 -0200 | [diff] [blame] | 760 | {0x5B, 0x40, 0}, {0x84, 0x88, 0}, {0x85, 0x24, 0}, {0x88, 0x54, 0}, |
| 761 | {0x8B, 0xB8, 0}, {0x8C, 0x07, 0}, {0x8D, 0x00, 0}, {0x94, 0x1B, 0}, |
| 762 | {0x95, 0x12, 0}, {0x96, 0x00, 0}, {0x97, 0x06, 0}, {0x9D, 0x1A, 0}, |
| 763 | {0x9F, 0x10, 0}, {0xB4, 0x22, 0}, {0xBE, 0x80, 0}, {0xDB, 0x00, 0}, |
| 764 | {0xEE, 0x00, 0}, {0x4C, 0x00, 2}, |
Hin-Tak Leung | f8a08c3 | 2008-07-08 12:33:34 +0100 | [diff] [blame] | 765 | |
Larry Finger | a027087 | 2009-04-16 19:56:38 -0500 | [diff] [blame] | 766 | {0x9F, 0x00, 3}, {0x8C, 0x01, 0}, {0x8D, 0x10, 0}, {0x8E, 0x08, 0}, |
| 767 | {0x8F, 0x00, 0} |
Hin-Tak Leung | f8a08c3 | 2008-07-08 12:33:34 +0100 | [diff] [blame] | 768 | }; |
| 769 | |
| 770 | static int rtl8187b_init_hw(struct ieee80211_hw *dev) |
| 771 | { |
| 772 | struct rtl8187_priv *priv = dev->priv; |
| 773 | int res, i; |
| 774 | u8 reg; |
| 775 | |
Herton Ronaldo Krzesinski | 0bf198e | 2010-11-01 22:59:37 -0200 | [diff] [blame] | 776 | rtl8187_set_anaparam(priv, true); |
Hin-Tak Leung | f8a08c3 | 2008-07-08 12:33:34 +0100 | [diff] [blame] | 777 | |
Herton Ronaldo Krzesinski | 896cae6 | 2010-11-01 22:59:35 -0200 | [diff] [blame] | 778 | /* Reset PLL sequence on 8187B. Realtek note: reduces power |
| 779 | * consumption about 30 mA */ |
Hin-Tak Leung | f8a08c3 | 2008-07-08 12:33:34 +0100 | [diff] [blame] | 780 | rtl818x_iowrite8(priv, (u8 *)0xFF61, 0x10); |
| 781 | reg = rtl818x_ioread8(priv, (u8 *)0xFF62); |
| 782 | rtl818x_iowrite8(priv, (u8 *)0xFF62, reg & ~(1 << 5)); |
| 783 | rtl818x_iowrite8(priv, (u8 *)0xFF62, reg | (1 << 5)); |
| 784 | |
Hin-Tak Leung | f8a08c3 | 2008-07-08 12:33:34 +0100 | [diff] [blame] | 785 | res = rtl8187_cmd_reset(dev); |
| 786 | if (res) |
| 787 | return res; |
| 788 | |
Herton Ronaldo Krzesinski | daeeb07 | 2010-11-01 22:59:39 -0200 | [diff] [blame] | 789 | rtl8187_set_anaparam(priv, true); |
| 790 | |
Herton Ronaldo Krzesinski | 60f5891 | 2010-11-01 22:59:33 -0200 | [diff] [blame] | 791 | /* BRSR (Basic Rate Set Register) on 8187B looks to be the same as |
| 792 | * RESP_RATE on 8187L in Realtek sources: each bit should be each |
| 793 | * one of the 12 rates, all are enabled */ |
| 794 | rtl818x_iowrite16(priv, (__le16 *)0xFF34, 0x0FFF); |
| 795 | |
Hin-Tak Leung | f8a08c3 | 2008-07-08 12:33:34 +0100 | [diff] [blame] | 796 | reg = rtl818x_ioread8(priv, &priv->map->CW_CONF); |
andrea merello | 6f7343d | 2014-01-21 20:16:43 +0100 | [diff] [blame] | 797 | reg |= RTL818X_CW_CONF_PERPACKET_RETRY; |
Hin-Tak Leung | f8a08c3 | 2008-07-08 12:33:34 +0100 | [diff] [blame] | 798 | rtl818x_iowrite8(priv, &priv->map->CW_CONF, reg); |
Hin-Tak Leung | f8a08c3 | 2008-07-08 12:33:34 +0100 | [diff] [blame] | 799 | |
Herton Ronaldo Krzesinski | 327571e | 2010-11-01 22:59:31 -0200 | [diff] [blame] | 800 | /* Auto Rate Fallback Register (ARFR): 1M-54M setting */ |
Hin-Tak Leung | f8a08c3 | 2008-07-08 12:33:34 +0100 | [diff] [blame] | 801 | rtl818x_iowrite16_idx(priv, (__le16 *)0xFFE0, 0x0FFF, 1); |
Herton Ronaldo Krzesinski | 327571e | 2010-11-01 22:59:31 -0200 | [diff] [blame] | 802 | rtl818x_iowrite8_idx(priv, (u8 *)0xFFE2, 0x00, 1); |
Hin-Tak Leung | f8a08c3 | 2008-07-08 12:33:34 +0100 | [diff] [blame] | 803 | |
Hin-Tak Leung | f8a08c3 | 2008-07-08 12:33:34 +0100 | [diff] [blame] | 804 | rtl818x_iowrite16_idx(priv, (__le16 *)0xFFD4, 0xFFFF, 1); |
| 805 | |
| 806 | rtl818x_iowrite8(priv, &priv->map->EEPROM_CMD, |
| 807 | RTL818X_EEPROM_CMD_CONFIG); |
| 808 | reg = rtl818x_ioread8(priv, &priv->map->CONFIG1); |
| 809 | rtl818x_iowrite8(priv, &priv->map->CONFIG1, (reg & 0x3F) | 0x80); |
| 810 | rtl818x_iowrite8(priv, &priv->map->EEPROM_CMD, |
| 811 | RTL818X_EEPROM_CMD_NORMAL); |
| 812 | |
| 813 | rtl818x_iowrite8(priv, &priv->map->WPA_CONF, 0); |
| 814 | for (i = 0; i < ARRAY_SIZE(rtl8187b_reg_table); i++) { |
| 815 | rtl818x_iowrite8_idx(priv, |
| 816 | (u8 *)(uintptr_t) |
| 817 | (rtl8187b_reg_table[i][0] | 0xFF00), |
| 818 | rtl8187b_reg_table[i][1], |
| 819 | rtl8187b_reg_table[i][2]); |
| 820 | } |
| 821 | |
| 822 | rtl818x_iowrite16(priv, &priv->map->TID_AC_MAP, 0xFA50); |
| 823 | rtl818x_iowrite16(priv, &priv->map->INT_MIG, 0); |
| 824 | |
| 825 | rtl818x_iowrite32_idx(priv, (__le32 *)0xFFF0, 0, 1); |
| 826 | rtl818x_iowrite32_idx(priv, (__le32 *)0xFFF4, 0, 1); |
| 827 | rtl818x_iowrite8_idx(priv, (u8 *)0xFFF8, 0, 1); |
| 828 | |
| 829 | rtl818x_iowrite32(priv, &priv->map->RF_TIMING, 0x00004001); |
| 830 | |
Herton Ronaldo Krzesinski | a8ff34e | 2010-11-01 22:59:34 -0200 | [diff] [blame] | 831 | /* RFSW_CTRL register */ |
Hin-Tak Leung | f8a08c3 | 2008-07-08 12:33:34 +0100 | [diff] [blame] | 832 | rtl818x_iowrite16_idx(priv, (__le16 *)0xFF72, 0x569A, 2); |
| 833 | |
Hin-Tak Leung | f8a08c3 | 2008-07-08 12:33:34 +0100 | [diff] [blame] | 834 | rtl818x_iowrite16(priv, &priv->map->RFPinsOutput, 0x0480); |
| 835 | rtl818x_iowrite16(priv, &priv->map->RFPinsSelect, 0x2488); |
| 836 | rtl818x_iowrite16(priv, &priv->map->RFPinsEnable, 0x1FFF); |
Larry Finger | 2f20596 | 2008-10-31 09:52:07 -0700 | [diff] [blame] | 837 | msleep(100); |
Hin-Tak Leung | f8a08c3 | 2008-07-08 12:33:34 +0100 | [diff] [blame] | 838 | |
| 839 | priv->rf->init(dev); |
| 840 | |
| 841 | reg = RTL818X_CMD_TX_ENABLE | RTL818X_CMD_RX_ENABLE; |
| 842 | rtl818x_iowrite8(priv, &priv->map->CMD, reg); |
| 843 | rtl818x_iowrite16(priv, &priv->map->INT_MASK, 0xFFFF); |
| 844 | |
| 845 | rtl818x_iowrite8(priv, (u8 *)0xFE41, 0xF4); |
| 846 | rtl818x_iowrite8(priv, (u8 *)0xFE40, 0x00); |
| 847 | rtl818x_iowrite8(priv, (u8 *)0xFE42, 0x00); |
| 848 | rtl818x_iowrite8(priv, (u8 *)0xFE42, 0x01); |
| 849 | rtl818x_iowrite8(priv, (u8 *)0xFE40, 0x0F); |
| 850 | rtl818x_iowrite8(priv, (u8 *)0xFE42, 0x00); |
| 851 | rtl818x_iowrite8(priv, (u8 *)0xFE42, 0x01); |
| 852 | |
| 853 | reg = rtl818x_ioread8(priv, (u8 *)0xFFDB); |
| 854 | rtl818x_iowrite8(priv, (u8 *)0xFFDB, reg | (1 << 2)); |
| 855 | rtl818x_iowrite16_idx(priv, (__le16 *)0xFF72, 0x59FA, 3); |
| 856 | rtl818x_iowrite16_idx(priv, (__le16 *)0xFF74, 0x59D2, 3); |
| 857 | rtl818x_iowrite16_idx(priv, (__le16 *)0xFF76, 0x59D2, 3); |
| 858 | rtl818x_iowrite16_idx(priv, (__le16 *)0xFF78, 0x19FA, 3); |
| 859 | rtl818x_iowrite16_idx(priv, (__le16 *)0xFF7A, 0x19FA, 3); |
| 860 | rtl818x_iowrite16_idx(priv, (__le16 *)0xFF7C, 0x00D0, 3); |
| 861 | rtl818x_iowrite8(priv, (u8 *)0xFF61, 0); |
| 862 | rtl818x_iowrite8_idx(priv, (u8 *)0xFF80, 0x0F, 1); |
| 863 | rtl818x_iowrite8_idx(priv, (u8 *)0xFF83, 0x03, 1); |
| 864 | rtl818x_iowrite8(priv, (u8 *)0xFFDA, 0x10); |
| 865 | rtl818x_iowrite8_idx(priv, (u8 *)0xFF4D, 0x08, 2); |
| 866 | |
| 867 | rtl818x_iowrite32(priv, &priv->map->HSSI_PARA, 0x0600321B); |
| 868 | |
| 869 | rtl818x_iowrite16_idx(priv, (__le16 *)0xFFEC, 0x0800, 1); |
| 870 | |
Herton Ronaldo Krzesinski | b4572a9 | 2008-11-13 10:39:15 -0500 | [diff] [blame] | 871 | priv->slot_time = 0x9; |
| 872 | priv->aifsn[0] = 2; /* AIFSN[AC_VO] */ |
| 873 | priv->aifsn[1] = 2; /* AIFSN[AC_VI] */ |
| 874 | priv->aifsn[2] = 7; /* AIFSN[AC_BK] */ |
| 875 | priv->aifsn[3] = 3; /* AIFSN[AC_BE] */ |
| 876 | rtl818x_iowrite8(priv, &priv->map->ACM_CONTROL, 0); |
| 877 | |
Herton Ronaldo Krzesinski | 1a9937b | 2009-08-20 21:16:17 -0300 | [diff] [blame] | 878 | /* ENEDCA flag must always be set, transmit issues? */ |
| 879 | rtl818x_iowrite8(priv, &priv->map->MSR, RTL818X_MSR_ENEDCA); |
| 880 | |
Hin-Tak Leung | f8a08c3 | 2008-07-08 12:33:34 +0100 | [diff] [blame] | 881 | return 0; |
| 882 | } |
| 883 | |
Larry Finger | 2f47690 | 2009-01-23 11:40:22 -0600 | [diff] [blame] | 884 | static void rtl8187_work(struct work_struct *work) |
| 885 | { |
| 886 | /* The RTL8187 returns the retry count through register 0xFFFA. In |
| 887 | * addition, it appears to be a cumulative retry count, not the |
| 888 | * value for the current TX packet. When multiple TX entries are |
Larry Finger | 6410db5 | 2011-02-28 23:36:09 -0600 | [diff] [blame] | 889 | * waiting in the queue, the retry count will be the total for all. |
| 890 | * The "error" may matter for purposes of rate setting, but there is |
| 891 | * no other choice with this hardware. |
| 892 | */ |
Larry Finger | 2f47690 | 2009-01-23 11:40:22 -0600 | [diff] [blame] | 893 | struct rtl8187_priv *priv = container_of(work, struct rtl8187_priv, |
| 894 | work.work); |
| 895 | struct ieee80211_tx_info *info; |
| 896 | struct ieee80211_hw *dev = priv->dev; |
| 897 | static u16 retry; |
| 898 | u16 tmp; |
Larry Finger | 6410db5 | 2011-02-28 23:36:09 -0600 | [diff] [blame] | 899 | u16 avg_retry; |
| 900 | int length; |
Larry Finger | 2f47690 | 2009-01-23 11:40:22 -0600 | [diff] [blame] | 901 | |
| 902 | mutex_lock(&priv->conf_mutex); |
| 903 | tmp = rtl818x_ioread16(priv, (__le16 *)0xFFFA); |
Larry Finger | 6410db5 | 2011-02-28 23:36:09 -0600 | [diff] [blame] | 904 | length = skb_queue_len(&priv->b_tx_status.queue); |
| 905 | if (unlikely(!length)) |
| 906 | length = 1; |
| 907 | if (unlikely(tmp < retry)) |
| 908 | tmp = retry; |
| 909 | avg_retry = (tmp - retry) / length; |
Larry Finger | 2f47690 | 2009-01-23 11:40:22 -0600 | [diff] [blame] | 910 | while (skb_queue_len(&priv->b_tx_status.queue) > 0) { |
| 911 | struct sk_buff *old_skb; |
| 912 | |
| 913 | old_skb = skb_dequeue(&priv->b_tx_status.queue); |
| 914 | info = IEEE80211_SKB_CB(old_skb); |
Larry Finger | 6410db5 | 2011-02-28 23:36:09 -0600 | [diff] [blame] | 915 | info->status.rates[0].count = avg_retry + 1; |
| 916 | if (info->status.rates[0].count > RETRY_COUNT) |
| 917 | info->flags &= ~IEEE80211_TX_STAT_ACK; |
Larry Finger | 2f47690 | 2009-01-23 11:40:22 -0600 | [diff] [blame] | 918 | ieee80211_tx_status_irqsafe(dev, old_skb); |
| 919 | } |
| 920 | retry = tmp; |
| 921 | mutex_unlock(&priv->conf_mutex); |
| 922 | } |
| 923 | |
Johannes Berg | 4150c57 | 2007-09-17 01:29:23 -0400 | [diff] [blame] | 924 | static int rtl8187_start(struct ieee80211_hw *dev) |
Michael Wu | 605bebe | 2007-05-14 01:41:02 -0400 | [diff] [blame] | 925 | { |
| 926 | struct rtl8187_priv *priv = dev->priv; |
| 927 | u32 reg; |
| 928 | int ret; |
| 929 | |
Herton Ronaldo Krzesinski | ca9152e | 2009-08-26 13:54:09 -0300 | [diff] [blame] | 930 | mutex_lock(&priv->conf_mutex); |
| 931 | |
Hin-Tak Leung | f8a08c3 | 2008-07-08 12:33:34 +0100 | [diff] [blame] | 932 | ret = (!priv->is_rtl8187b) ? rtl8187_init_hw(dev) : |
| 933 | rtl8187b_init_hw(dev); |
Michael Wu | 605bebe | 2007-05-14 01:41:02 -0400 | [diff] [blame] | 934 | if (ret) |
Herton Ronaldo Krzesinski | ca9152e | 2009-08-26 13:54:09 -0300 | [diff] [blame] | 935 | goto rtl8187_start_exit; |
Larry Finger | c1db52b | 2008-12-09 23:34:27 -0600 | [diff] [blame] | 936 | |
| 937 | init_usb_anchor(&priv->anchored); |
Larry Finger | 2f47690 | 2009-01-23 11:40:22 -0600 | [diff] [blame] | 938 | priv->dev = dev; |
Larry Finger | c1db52b | 2008-12-09 23:34:27 -0600 | [diff] [blame] | 939 | |
Hin-Tak Leung | f8a08c3 | 2008-07-08 12:33:34 +0100 | [diff] [blame] | 940 | if (priv->is_rtl8187b) { |
| 941 | reg = RTL818X_RX_CONF_MGMT | |
| 942 | RTL818X_RX_CONF_DATA | |
| 943 | RTL818X_RX_CONF_BROADCAST | |
| 944 | RTL818X_RX_CONF_NICMAC | |
| 945 | RTL818X_RX_CONF_BSSID | |
| 946 | (7 << 13 /* RX FIFO threshold NONE */) | |
| 947 | (7 << 10 /* MAX RX DMA */) | |
| 948 | RTL818X_RX_CONF_RX_AUTORESETPHY | |
| 949 | RTL818X_RX_CONF_ONLYERLPKT | |
| 950 | RTL818X_RX_CONF_MULTICAST; |
| 951 | priv->rx_conf = reg; |
| 952 | rtl818x_iowrite32(priv, &priv->map->RX_CONF, reg); |
| 953 | |
Thadeu Lima de Souza Cascardo | 1999979 | 2010-10-28 20:01:00 -0200 | [diff] [blame] | 954 | reg = rtl818x_ioread8(priv, &priv->map->TX_AGC_CTL); |
andrea merello | 6f7343d | 2014-01-21 20:16:43 +0100 | [diff] [blame] | 955 | reg &= ~RTL818X_TX_AGC_CTL_PERPACKET_GAIN; |
| 956 | reg &= ~RTL818X_TX_AGC_CTL_PERPACKET_ANTSEL; |
Thadeu Lima de Souza Cascardo | 1999979 | 2010-10-28 20:01:00 -0200 | [diff] [blame] | 957 | reg &= ~RTL818X_TX_AGC_CTL_FEEDBACK_ANT; |
| 958 | rtl818x_iowrite8(priv, &priv->map->TX_AGC_CTL, reg); |
| 959 | |
Hin-Tak Leung | f8a08c3 | 2008-07-08 12:33:34 +0100 | [diff] [blame] | 960 | rtl818x_iowrite32(priv, &priv->map->TX_CONF, |
| 961 | RTL818X_TX_CONF_HW_SEQNUM | |
| 962 | RTL818X_TX_CONF_DISREQQSIZE | |
Larry Finger | 6410db5 | 2011-02-28 23:36:09 -0600 | [diff] [blame] | 963 | (RETRY_COUNT << 8 /* short retry limit */) | |
| 964 | (RETRY_COUNT << 0 /* long retry limit */) | |
Hin-Tak Leung | f8a08c3 | 2008-07-08 12:33:34 +0100 | [diff] [blame] | 965 | (7 << 21 /* MAX TX DMA */)); |
Alexey Khoroshilov | 8a10da2 | 2013-09-04 00:37:17 +0400 | [diff] [blame] | 966 | ret = rtl8187_init_urbs(dev); |
| 967 | if (ret) |
| 968 | goto rtl8187_start_exit; |
| 969 | ret = rtl8187b_init_status_urb(dev); |
| 970 | if (ret) |
| 971 | usb_kill_anchored_urbs(&priv->anchored); |
Herton Ronaldo Krzesinski | ca9152e | 2009-08-26 13:54:09 -0300 | [diff] [blame] | 972 | goto rtl8187_start_exit; |
Hin-Tak Leung | f8a08c3 | 2008-07-08 12:33:34 +0100 | [diff] [blame] | 973 | } |
| 974 | |
Michael Wu | 605bebe | 2007-05-14 01:41:02 -0400 | [diff] [blame] | 975 | rtl818x_iowrite16(priv, &priv->map->INT_MASK, 0xFFFF); |
| 976 | |
Michael Wu | 2fe1426 | 2007-10-20 20:05:31 -0400 | [diff] [blame] | 977 | rtl818x_iowrite32(priv, &priv->map->MAR[0], ~0); |
| 978 | rtl818x_iowrite32(priv, &priv->map->MAR[1], ~0); |
| 979 | |
Alexey Khoroshilov | 8a10da2 | 2013-09-04 00:37:17 +0400 | [diff] [blame] | 980 | ret = rtl8187_init_urbs(dev); |
| 981 | if (ret) |
| 982 | goto rtl8187_start_exit; |
Michael Wu | 605bebe | 2007-05-14 01:41:02 -0400 | [diff] [blame] | 983 | |
| 984 | reg = RTL818X_RX_CONF_ONLYERLPKT | |
| 985 | RTL818X_RX_CONF_RX_AUTORESETPHY | |
| 986 | RTL818X_RX_CONF_BSSID | |
| 987 | RTL818X_RX_CONF_MGMT | |
Michael Wu | 605bebe | 2007-05-14 01:41:02 -0400 | [diff] [blame] | 988 | RTL818X_RX_CONF_DATA | |
| 989 | (7 << 13 /* RX FIFO threshold NONE */) | |
| 990 | (7 << 10 /* MAX RX DMA */) | |
| 991 | RTL818X_RX_CONF_BROADCAST | |
Michael Wu | 605bebe | 2007-05-14 01:41:02 -0400 | [diff] [blame] | 992 | RTL818X_RX_CONF_NICMAC; |
Michael Wu | 605bebe | 2007-05-14 01:41:02 -0400 | [diff] [blame] | 993 | |
Johannes Berg | 4150c57 | 2007-09-17 01:29:23 -0400 | [diff] [blame] | 994 | priv->rx_conf = reg; |
Michael Wu | 605bebe | 2007-05-14 01:41:02 -0400 | [diff] [blame] | 995 | rtl818x_iowrite32(priv, &priv->map->RX_CONF, reg); |
| 996 | |
| 997 | reg = rtl818x_ioread8(priv, &priv->map->CW_CONF); |
andrea merello | 6f7343d | 2014-01-21 20:16:43 +0100 | [diff] [blame] | 998 | reg &= ~RTL818X_CW_CONF_PERPACKET_CW; |
| 999 | reg |= RTL818X_CW_CONF_PERPACKET_RETRY; |
Michael Wu | 605bebe | 2007-05-14 01:41:02 -0400 | [diff] [blame] | 1000 | rtl818x_iowrite8(priv, &priv->map->CW_CONF, reg); |
| 1001 | |
| 1002 | reg = rtl818x_ioread8(priv, &priv->map->TX_AGC_CTL); |
andrea merello | 6f7343d | 2014-01-21 20:16:43 +0100 | [diff] [blame] | 1003 | reg &= ~RTL818X_TX_AGC_CTL_PERPACKET_GAIN; |
| 1004 | reg &= ~RTL818X_TX_AGC_CTL_PERPACKET_ANTSEL; |
Michael Wu | 605bebe | 2007-05-14 01:41:02 -0400 | [diff] [blame] | 1005 | reg &= ~RTL818X_TX_AGC_CTL_FEEDBACK_ANT; |
| 1006 | rtl818x_iowrite8(priv, &priv->map->TX_AGC_CTL, reg); |
| 1007 | |
| 1008 | reg = RTL818X_TX_CONF_CW_MIN | |
| 1009 | (7 << 21 /* MAX TX DMA */) | |
| 1010 | RTL818X_TX_CONF_NO_ICV; |
| 1011 | rtl818x_iowrite32(priv, &priv->map->TX_CONF, reg); |
| 1012 | |
| 1013 | reg = rtl818x_ioread8(priv, &priv->map->CMD); |
| 1014 | reg |= RTL818X_CMD_TX_ENABLE; |
| 1015 | reg |= RTL818X_CMD_RX_ENABLE; |
| 1016 | rtl818x_iowrite8(priv, &priv->map->CMD, reg); |
Larry Finger | 2f47690 | 2009-01-23 11:40:22 -0600 | [diff] [blame] | 1017 | INIT_DELAYED_WORK(&priv->work, rtl8187_work); |
Michael Wu | 605bebe | 2007-05-14 01:41:02 -0400 | [diff] [blame] | 1018 | |
Herton Ronaldo Krzesinski | ca9152e | 2009-08-26 13:54:09 -0300 | [diff] [blame] | 1019 | rtl8187_start_exit: |
| 1020 | mutex_unlock(&priv->conf_mutex); |
| 1021 | return ret; |
Michael Wu | 605bebe | 2007-05-14 01:41:02 -0400 | [diff] [blame] | 1022 | } |
| 1023 | |
Johannes Berg | 4150c57 | 2007-09-17 01:29:23 -0400 | [diff] [blame] | 1024 | static void rtl8187_stop(struct ieee80211_hw *dev) |
Michael Wu | 605bebe | 2007-05-14 01:41:02 -0400 | [diff] [blame] | 1025 | { |
| 1026 | struct rtl8187_priv *priv = dev->priv; |
Michael Wu | 605bebe | 2007-05-14 01:41:02 -0400 | [diff] [blame] | 1027 | struct sk_buff *skb; |
| 1028 | u32 reg; |
| 1029 | |
Larry Finger | 7dcdd07 | 2008-07-31 19:30:48 -0500 | [diff] [blame] | 1030 | mutex_lock(&priv->conf_mutex); |
Michael Wu | 605bebe | 2007-05-14 01:41:02 -0400 | [diff] [blame] | 1031 | rtl818x_iowrite16(priv, &priv->map->INT_MASK, 0); |
| 1032 | |
| 1033 | reg = rtl818x_ioread8(priv, &priv->map->CMD); |
| 1034 | reg &= ~RTL818X_CMD_TX_ENABLE; |
| 1035 | reg &= ~RTL818X_CMD_RX_ENABLE; |
| 1036 | rtl818x_iowrite8(priv, &priv->map->CMD, reg); |
| 1037 | |
Michael Wu | f653211 | 2007-10-14 14:43:16 -0400 | [diff] [blame] | 1038 | priv->rf->stop(dev); |
Herton Ronaldo Krzesinski | 0bf198e | 2010-11-01 22:59:37 -0200 | [diff] [blame] | 1039 | rtl8187_set_anaparam(priv, false); |
Michael Wu | 605bebe | 2007-05-14 01:41:02 -0400 | [diff] [blame] | 1040 | |
| 1041 | rtl818x_iowrite8(priv, &priv->map->EEPROM_CMD, RTL818X_EEPROM_CMD_CONFIG); |
| 1042 | reg = rtl818x_ioread8(priv, &priv->map->CONFIG4); |
| 1043 | rtl818x_iowrite8(priv, &priv->map->CONFIG4, reg | RTL818X_CONFIG4_VCOOFF); |
| 1044 | rtl818x_iowrite8(priv, &priv->map->EEPROM_CMD, RTL818X_EEPROM_CMD_NORMAL); |
| 1045 | |
Herton Ronaldo Krzesinski | 3517afd | 2008-11-13 10:39:16 -0500 | [diff] [blame] | 1046 | while ((skb = skb_dequeue(&priv->b_tx_status.queue))) |
| 1047 | dev_kfree_skb_any(skb); |
Larry Finger | c1db52b | 2008-12-09 23:34:27 -0600 | [diff] [blame] | 1048 | |
| 1049 | usb_kill_anchored_urbs(&priv->anchored); |
Herton Ronaldo Krzesinski | 6a8171f | 2009-08-26 13:54:08 -0300 | [diff] [blame] | 1050 | mutex_unlock(&priv->conf_mutex); |
| 1051 | |
Larry Finger | 2f47690 | 2009-01-23 11:40:22 -0600 | [diff] [blame] | 1052 | if (!priv->is_rtl8187b) |
| 1053 | cancel_delayed_work_sync(&priv->work); |
Michael Wu | 605bebe | 2007-05-14 01:41:02 -0400 | [diff] [blame] | 1054 | } |
| 1055 | |
Attila Fazekas | 41b58f1 | 2012-02-23 19:50:35 +0100 | [diff] [blame] | 1056 | static u64 rtl8187_get_tsf(struct ieee80211_hw *dev, struct ieee80211_vif *vif) |
| 1057 | { |
| 1058 | struct rtl8187_priv *priv = dev->priv; |
| 1059 | |
| 1060 | return rtl818x_ioread32(priv, &priv->map->TSFT[0]) | |
| 1061 | (u64)(rtl818x_ioread32(priv, &priv->map->TSFT[1])) << 32; |
| 1062 | } |
| 1063 | |
| 1064 | |
| 1065 | static void rtl8187_beacon_work(struct work_struct *work) |
| 1066 | { |
| 1067 | struct rtl8187_vif *vif_priv = |
| 1068 | container_of(work, struct rtl8187_vif, beacon_work.work); |
| 1069 | struct ieee80211_vif *vif = |
| 1070 | container_of((void *)vif_priv, struct ieee80211_vif, drv_priv); |
| 1071 | struct ieee80211_hw *dev = vif_priv->dev; |
| 1072 | struct ieee80211_mgmt *mgmt; |
| 1073 | struct sk_buff *skb; |
| 1074 | |
| 1075 | /* don't overflow the tx ring */ |
| 1076 | if (ieee80211_queue_stopped(dev, 0)) |
| 1077 | goto resched; |
| 1078 | |
| 1079 | /* grab a fresh beacon */ |
| 1080 | skb = ieee80211_beacon_get(dev, vif); |
| 1081 | if (!skb) |
| 1082 | goto resched; |
| 1083 | |
| 1084 | /* |
| 1085 | * update beacon timestamp w/ TSF value |
| 1086 | * TODO: make hardware update beacon timestamp |
| 1087 | */ |
| 1088 | mgmt = (struct ieee80211_mgmt *)skb->data; |
| 1089 | mgmt->u.beacon.timestamp = cpu_to_le64(rtl8187_get_tsf(dev, vif)); |
| 1090 | |
| 1091 | /* TODO: use actual beacon queue */ |
| 1092 | skb_set_queue_mapping(skb, 0); |
| 1093 | |
Thomas Huehn | 36323f8 | 2012-07-23 21:33:42 +0200 | [diff] [blame] | 1094 | rtl8187_tx(dev, NULL, skb); |
Attila Fazekas | 41b58f1 | 2012-02-23 19:50:35 +0100 | [diff] [blame] | 1095 | |
| 1096 | resched: |
| 1097 | /* |
| 1098 | * schedule next beacon |
| 1099 | * TODO: use hardware support for beacon timing |
| 1100 | */ |
| 1101 | schedule_delayed_work(&vif_priv->beacon_work, |
| 1102 | usecs_to_jiffies(1024 * vif->bss_conf.beacon_int)); |
| 1103 | } |
| 1104 | |
| 1105 | |
Michael Wu | 605bebe | 2007-05-14 01:41:02 -0400 | [diff] [blame] | 1106 | static int rtl8187_add_interface(struct ieee80211_hw *dev, |
Johannes Berg | 1ed32e4 | 2009-12-23 13:15:45 +0100 | [diff] [blame] | 1107 | struct ieee80211_vif *vif) |
Michael Wu | 605bebe | 2007-05-14 01:41:02 -0400 | [diff] [blame] | 1108 | { |
| 1109 | struct rtl8187_priv *priv = dev->priv; |
Attila Fazekas | 41b58f1 | 2012-02-23 19:50:35 +0100 | [diff] [blame] | 1110 | struct rtl8187_vif *vif_priv; |
Johannes Berg | 4150c57 | 2007-09-17 01:29:23 -0400 | [diff] [blame] | 1111 | int i; |
Larry Finger | 66aafd9 | 2009-01-23 11:30:11 -0600 | [diff] [blame] | 1112 | int ret = -EOPNOTSUPP; |
Michael Wu | 605bebe | 2007-05-14 01:41:02 -0400 | [diff] [blame] | 1113 | |
Larry Finger | 66aafd9 | 2009-01-23 11:30:11 -0600 | [diff] [blame] | 1114 | mutex_lock(&priv->conf_mutex); |
John W. Linville | d30506e | 2009-12-22 18:13:05 -0500 | [diff] [blame] | 1115 | if (priv->vif) |
Larry Finger | 66aafd9 | 2009-01-23 11:30:11 -0600 | [diff] [blame] | 1116 | goto exit; |
Michael Wu | 605bebe | 2007-05-14 01:41:02 -0400 | [diff] [blame] | 1117 | |
Johannes Berg | 1ed32e4 | 2009-12-23 13:15:45 +0100 | [diff] [blame] | 1118 | switch (vif->type) { |
Johannes Berg | 05c914f | 2008-09-11 00:01:58 +0200 | [diff] [blame] | 1119 | case NL80211_IFTYPE_STATION: |
Attila Fazekas | 41b58f1 | 2012-02-23 19:50:35 +0100 | [diff] [blame] | 1120 | case NL80211_IFTYPE_ADHOC: |
Michael Wu | 605bebe | 2007-05-14 01:41:02 -0400 | [diff] [blame] | 1121 | break; |
| 1122 | default: |
Larry Finger | 66aafd9 | 2009-01-23 11:30:11 -0600 | [diff] [blame] | 1123 | goto exit; |
Michael Wu | 605bebe | 2007-05-14 01:41:02 -0400 | [diff] [blame] | 1124 | } |
| 1125 | |
Larry Finger | 66aafd9 | 2009-01-23 11:30:11 -0600 | [diff] [blame] | 1126 | ret = 0; |
Johannes Berg | 1ed32e4 | 2009-12-23 13:15:45 +0100 | [diff] [blame] | 1127 | priv->vif = vif; |
Herton Ronaldo Krzesinski | aa979a6 | 2008-04-09 16:38:31 -0300 | [diff] [blame] | 1128 | |
Attila Fazekas | 41b58f1 | 2012-02-23 19:50:35 +0100 | [diff] [blame] | 1129 | /* Initialize driver private area */ |
| 1130 | vif_priv = (struct rtl8187_vif *)&vif->drv_priv; |
| 1131 | vif_priv->dev = dev; |
| 1132 | INIT_DELAYED_WORK(&vif_priv->beacon_work, rtl8187_beacon_work); |
| 1133 | vif_priv->enable_beacon = false; |
| 1134 | |
| 1135 | |
Johannes Berg | 4150c57 | 2007-09-17 01:29:23 -0400 | [diff] [blame] | 1136 | rtl818x_iowrite8(priv, &priv->map->EEPROM_CMD, RTL818X_EEPROM_CMD_CONFIG); |
| 1137 | for (i = 0; i < ETH_ALEN; i++) |
| 1138 | rtl818x_iowrite8(priv, &priv->map->MAC[i], |
Johannes Berg | 1ed32e4 | 2009-12-23 13:15:45 +0100 | [diff] [blame] | 1139 | ((u8 *)vif->addr)[i]); |
Johannes Berg | 4150c57 | 2007-09-17 01:29:23 -0400 | [diff] [blame] | 1140 | rtl818x_iowrite8(priv, &priv->map->EEPROM_CMD, RTL818X_EEPROM_CMD_NORMAL); |
Michael Wu | 605bebe | 2007-05-14 01:41:02 -0400 | [diff] [blame] | 1141 | |
Larry Finger | 66aafd9 | 2009-01-23 11:30:11 -0600 | [diff] [blame] | 1142 | exit: |
Larry Finger | 7dcdd07 | 2008-07-31 19:30:48 -0500 | [diff] [blame] | 1143 | mutex_unlock(&priv->conf_mutex); |
Larry Finger | 66aafd9 | 2009-01-23 11:30:11 -0600 | [diff] [blame] | 1144 | return ret; |
Michael Wu | 605bebe | 2007-05-14 01:41:02 -0400 | [diff] [blame] | 1145 | } |
| 1146 | |
| 1147 | static void rtl8187_remove_interface(struct ieee80211_hw *dev, |
Johannes Berg | 1ed32e4 | 2009-12-23 13:15:45 +0100 | [diff] [blame] | 1148 | struct ieee80211_vif *vif) |
Michael Wu | 605bebe | 2007-05-14 01:41:02 -0400 | [diff] [blame] | 1149 | { |
| 1150 | struct rtl8187_priv *priv = dev->priv; |
Larry Finger | 7dcdd07 | 2008-07-31 19:30:48 -0500 | [diff] [blame] | 1151 | mutex_lock(&priv->conf_mutex); |
Herton Ronaldo Krzesinski | aa979a6 | 2008-04-09 16:38:31 -0300 | [diff] [blame] | 1152 | priv->vif = NULL; |
Larry Finger | 7dcdd07 | 2008-07-31 19:30:48 -0500 | [diff] [blame] | 1153 | mutex_unlock(&priv->conf_mutex); |
Michael Wu | 605bebe | 2007-05-14 01:41:02 -0400 | [diff] [blame] | 1154 | } |
| 1155 | |
Johannes Berg | e897558 | 2008-10-09 12:18:51 +0200 | [diff] [blame] | 1156 | static int rtl8187_config(struct ieee80211_hw *dev, u32 changed) |
Michael Wu | 605bebe | 2007-05-14 01:41:02 -0400 | [diff] [blame] | 1157 | { |
| 1158 | struct rtl8187_priv *priv = dev->priv; |
Johannes Berg | e897558 | 2008-10-09 12:18:51 +0200 | [diff] [blame] | 1159 | struct ieee80211_conf *conf = &dev->conf; |
Michael Wu | f653211 | 2007-10-14 14:43:16 -0400 | [diff] [blame] | 1160 | u32 reg; |
| 1161 | |
Larry Finger | 7dcdd07 | 2008-07-31 19:30:48 -0500 | [diff] [blame] | 1162 | mutex_lock(&priv->conf_mutex); |
Michael Wu | f653211 | 2007-10-14 14:43:16 -0400 | [diff] [blame] | 1163 | reg = rtl818x_ioread32(priv, &priv->map->TX_CONF); |
| 1164 | /* Enable TX loopback on MAC level to avoid TX during channel |
| 1165 | * changes, as this has be seen to causes problems and the |
| 1166 | * card will stop work until next reset |
| 1167 | */ |
| 1168 | rtl818x_iowrite32(priv, &priv->map->TX_CONF, |
| 1169 | reg | RTL818X_TX_CONF_LOOPBACK_MAC); |
Michael Wu | f653211 | 2007-10-14 14:43:16 -0400 | [diff] [blame] | 1170 | priv->rf->set_chan(dev, conf); |
| 1171 | msleep(10); |
| 1172 | rtl818x_iowrite32(priv, &priv->map->TX_CONF, reg); |
Michael Wu | 605bebe | 2007-05-14 01:41:02 -0400 | [diff] [blame] | 1173 | |
Michael Wu | 605bebe | 2007-05-14 01:41:02 -0400 | [diff] [blame] | 1174 | rtl818x_iowrite16(priv, &priv->map->ATIM_WND, 2); |
| 1175 | rtl818x_iowrite16(priv, &priv->map->ATIMTR_INTERVAL, 100); |
| 1176 | rtl818x_iowrite16(priv, &priv->map->BEACON_INTERVAL, 100); |
| 1177 | rtl818x_iowrite16(priv, &priv->map->BEACON_INTERVAL_TIME, 100); |
Larry Finger | 7dcdd07 | 2008-07-31 19:30:48 -0500 | [diff] [blame] | 1178 | mutex_unlock(&priv->conf_mutex); |
Michael Wu | 605bebe | 2007-05-14 01:41:02 -0400 | [diff] [blame] | 1179 | return 0; |
| 1180 | } |
| 1181 | |
Herton Ronaldo Krzesinski | b4572a9 | 2008-11-13 10:39:15 -0500 | [diff] [blame] | 1182 | /* |
| 1183 | * With 8187B, AC_*_PARAM clashes with FEMR definition in struct rtl818x_csr for |
| 1184 | * example. Thus we have to use raw values for AC_*_PARAM register addresses. |
| 1185 | */ |
| 1186 | static __le32 *rtl8187b_ac_addr[4] = { |
| 1187 | (__le32 *) 0xFFF0, /* AC_VO */ |
| 1188 | (__le32 *) 0xFFF4, /* AC_VI */ |
| 1189 | (__le32 *) 0xFFFC, /* AC_BK */ |
| 1190 | (__le32 *) 0xFFF8, /* AC_BE */ |
| 1191 | }; |
| 1192 | |
| 1193 | #define SIFS_TIME 0xa |
| 1194 | |
Herton Ronaldo Krzesinski | f828831 | 2008-10-13 18:11:00 +0000 | [diff] [blame] | 1195 | static void rtl8187_conf_erp(struct rtl8187_priv *priv, bool use_short_slot, |
| 1196 | bool use_short_preamble) |
Herton Ronaldo Krzesinski | 6476107 | 2008-10-13 18:10:59 +0000 | [diff] [blame] | 1197 | { |
Herton Ronaldo Krzesinski | f828831 | 2008-10-13 18:11:00 +0000 | [diff] [blame] | 1198 | if (priv->is_rtl8187b) { |
Herton Ronaldo Krzesinski | b4572a9 | 2008-11-13 10:39:15 -0500 | [diff] [blame] | 1199 | u8 difs, eifs; |
Herton Ronaldo Krzesinski | f828831 | 2008-10-13 18:11:00 +0000 | [diff] [blame] | 1200 | u16 ack_timeout; |
Herton Ronaldo Krzesinski | b4572a9 | 2008-11-13 10:39:15 -0500 | [diff] [blame] | 1201 | int queue; |
Herton Ronaldo Krzesinski | f828831 | 2008-10-13 18:11:00 +0000 | [diff] [blame] | 1202 | |
| 1203 | if (use_short_slot) { |
Herton Ronaldo Krzesinski | b4572a9 | 2008-11-13 10:39:15 -0500 | [diff] [blame] | 1204 | priv->slot_time = 0x9; |
Herton Ronaldo Krzesinski | f828831 | 2008-10-13 18:11:00 +0000 | [diff] [blame] | 1205 | difs = 0x1c; |
| 1206 | eifs = 0x53; |
| 1207 | } else { |
Herton Ronaldo Krzesinski | b4572a9 | 2008-11-13 10:39:15 -0500 | [diff] [blame] | 1208 | priv->slot_time = 0x14; |
Herton Ronaldo Krzesinski | f828831 | 2008-10-13 18:11:00 +0000 | [diff] [blame] | 1209 | difs = 0x32; |
| 1210 | eifs = 0x5b; |
| 1211 | } |
Herton Ronaldo Krzesinski | 54ac218 | 2008-11-13 10:39:14 -0500 | [diff] [blame] | 1212 | rtl818x_iowrite8(priv, &priv->map->SIFS, 0x22); |
Herton Ronaldo Krzesinski | b4572a9 | 2008-11-13 10:39:15 -0500 | [diff] [blame] | 1213 | rtl818x_iowrite8(priv, &priv->map->SLOT, priv->slot_time); |
Herton Ronaldo Krzesinski | f828831 | 2008-10-13 18:11:00 +0000 | [diff] [blame] | 1214 | rtl818x_iowrite8(priv, &priv->map->DIFS, difs); |
| 1215 | |
| 1216 | /* |
| 1217 | * BRSR+1 on 8187B is in fact EIFS register |
| 1218 | * Value in units of 4 us |
| 1219 | */ |
| 1220 | rtl818x_iowrite8(priv, (u8 *)&priv->map->BRSR + 1, eifs); |
| 1221 | |
| 1222 | /* |
| 1223 | * For 8187B, CARRIER_SENSE_COUNTER is in fact ack timeout |
| 1224 | * register. In units of 4 us like eifs register |
| 1225 | * ack_timeout = ack duration + plcp + difs + preamble |
| 1226 | */ |
| 1227 | ack_timeout = 112 + 48 + difs; |
| 1228 | if (use_short_preamble) |
| 1229 | ack_timeout += 72; |
| 1230 | else |
| 1231 | ack_timeout += 144; |
| 1232 | rtl818x_iowrite8(priv, &priv->map->CARRIER_SENSE_COUNTER, |
| 1233 | DIV_ROUND_UP(ack_timeout, 4)); |
Herton Ronaldo Krzesinski | b4572a9 | 2008-11-13 10:39:15 -0500 | [diff] [blame] | 1234 | |
| 1235 | for (queue = 0; queue < 4; queue++) |
| 1236 | rtl818x_iowrite8(priv, (u8 *) rtl8187b_ac_addr[queue], |
| 1237 | priv->aifsn[queue] * priv->slot_time + |
| 1238 | SIFS_TIME); |
Herton Ronaldo Krzesinski | f828831 | 2008-10-13 18:11:00 +0000 | [diff] [blame] | 1239 | } else { |
Herton Ronaldo Krzesinski | 6476107 | 2008-10-13 18:10:59 +0000 | [diff] [blame] | 1240 | rtl818x_iowrite8(priv, &priv->map->SIFS, 0x22); |
| 1241 | if (use_short_slot) { |
| 1242 | rtl818x_iowrite8(priv, &priv->map->SLOT, 0x9); |
| 1243 | rtl818x_iowrite8(priv, &priv->map->DIFS, 0x14); |
| 1244 | rtl818x_iowrite8(priv, &priv->map->EIFS, 91 - 0x14); |
Herton Ronaldo Krzesinski | 6476107 | 2008-10-13 18:10:59 +0000 | [diff] [blame] | 1245 | } else { |
| 1246 | rtl818x_iowrite8(priv, &priv->map->SLOT, 0x14); |
| 1247 | rtl818x_iowrite8(priv, &priv->map->DIFS, 0x24); |
| 1248 | rtl818x_iowrite8(priv, &priv->map->EIFS, 91 - 0x24); |
Herton Ronaldo Krzesinski | 6476107 | 2008-10-13 18:10:59 +0000 | [diff] [blame] | 1249 | } |
| 1250 | } |
| 1251 | } |
| 1252 | |
| 1253 | static void rtl8187_bss_info_changed(struct ieee80211_hw *dev, |
| 1254 | struct ieee80211_vif *vif, |
| 1255 | struct ieee80211_bss_conf *info, |
| 1256 | u32 changed) |
| 1257 | { |
| 1258 | struct rtl8187_priv *priv = dev->priv; |
Attila Fazekas | 41b58f1 | 2012-02-23 19:50:35 +0100 | [diff] [blame] | 1259 | struct rtl8187_vif *vif_priv; |
Johannes Berg | 2d0ddec | 2009-04-23 16:13:26 +0200 | [diff] [blame] | 1260 | int i; |
| 1261 | u8 reg; |
| 1262 | |
Attila Fazekas | 41b58f1 | 2012-02-23 19:50:35 +0100 | [diff] [blame] | 1263 | vif_priv = (struct rtl8187_vif *)&vif->drv_priv; |
| 1264 | |
Johannes Berg | 2d0ddec | 2009-04-23 16:13:26 +0200 | [diff] [blame] | 1265 | if (changed & BSS_CHANGED_BSSID) { |
| 1266 | mutex_lock(&priv->conf_mutex); |
| 1267 | for (i = 0; i < ETH_ALEN; i++) |
| 1268 | rtl818x_iowrite8(priv, &priv->map->BSSID[i], |
| 1269 | info->bssid[i]); |
| 1270 | |
Herton Ronaldo Krzesinski | 1a9937b | 2009-08-20 21:16:17 -0300 | [diff] [blame] | 1271 | if (priv->is_rtl8187b) |
| 1272 | reg = RTL818X_MSR_ENEDCA; |
| 1273 | else |
| 1274 | reg = 0; |
| 1275 | |
Attila Fazekas | 41b58f1 | 2012-02-23 19:50:35 +0100 | [diff] [blame] | 1276 | if (is_valid_ether_addr(info->bssid)) { |
| 1277 | if (vif->type == NL80211_IFTYPE_ADHOC) |
| 1278 | reg |= RTL818X_MSR_ADHOC; |
| 1279 | else |
| 1280 | reg |= RTL818X_MSR_INFRA; |
| 1281 | } |
John W. Linville | 31a5cdd | 2010-07-29 21:52:59 -0400 | [diff] [blame] | 1282 | else |
Herton Ronaldo Krzesinski | 1a9937b | 2009-08-20 21:16:17 -0300 | [diff] [blame] | 1283 | reg |= RTL818X_MSR_NO_LINK; |
John W. Linville | 31a5cdd | 2010-07-29 21:52:59 -0400 | [diff] [blame] | 1284 | |
| 1285 | rtl818x_iowrite8(priv, &priv->map->MSR, reg); |
Johannes Berg | 2d0ddec | 2009-04-23 16:13:26 +0200 | [diff] [blame] | 1286 | |
| 1287 | mutex_unlock(&priv->conf_mutex); |
| 1288 | } |
Herton Ronaldo Krzesinski | 6476107 | 2008-10-13 18:10:59 +0000 | [diff] [blame] | 1289 | |
Herton Ronaldo Krzesinski | f828831 | 2008-10-13 18:11:00 +0000 | [diff] [blame] | 1290 | if (changed & (BSS_CHANGED_ERP_SLOT | BSS_CHANGED_ERP_PREAMBLE)) |
| 1291 | rtl8187_conf_erp(priv, info->use_short_slot, |
| 1292 | info->use_short_preamble); |
Attila Fazekas | 41b58f1 | 2012-02-23 19:50:35 +0100 | [diff] [blame] | 1293 | |
| 1294 | if (changed & BSS_CHANGED_BEACON_ENABLED) |
| 1295 | vif_priv->enable_beacon = info->enable_beacon; |
| 1296 | |
| 1297 | if (changed & (BSS_CHANGED_BEACON_ENABLED | BSS_CHANGED_BEACON)) { |
| 1298 | cancel_delayed_work_sync(&vif_priv->beacon_work); |
| 1299 | if (vif_priv->enable_beacon) |
| 1300 | schedule_work(&vif_priv->beacon_work.work); |
| 1301 | } |
| 1302 | |
Herton Ronaldo Krzesinski | 6476107 | 2008-10-13 18:10:59 +0000 | [diff] [blame] | 1303 | } |
| 1304 | |
Johannes Berg | 3ac64be | 2009-08-17 16:16:53 +0200 | [diff] [blame] | 1305 | static u64 rtl8187_prepare_multicast(struct ieee80211_hw *dev, |
Jiri Pirko | 22bedad3 | 2010-04-01 21:22:57 +0000 | [diff] [blame] | 1306 | struct netdev_hw_addr_list *mc_list) |
Johannes Berg | 3ac64be | 2009-08-17 16:16:53 +0200 | [diff] [blame] | 1307 | { |
Jiri Pirko | 22bedad3 | 2010-04-01 21:22:57 +0000 | [diff] [blame] | 1308 | return netdev_hw_addr_list_count(mc_list); |
Johannes Berg | 3ac64be | 2009-08-17 16:16:53 +0200 | [diff] [blame] | 1309 | } |
| 1310 | |
Johannes Berg | 4150c57 | 2007-09-17 01:29:23 -0400 | [diff] [blame] | 1311 | static void rtl8187_configure_filter(struct ieee80211_hw *dev, |
| 1312 | unsigned int changed_flags, |
| 1313 | unsigned int *total_flags, |
Johannes Berg | 3ac64be | 2009-08-17 16:16:53 +0200 | [diff] [blame] | 1314 | u64 multicast) |
Johannes Berg | 4150c57 | 2007-09-17 01:29:23 -0400 | [diff] [blame] | 1315 | { |
| 1316 | struct rtl8187_priv *priv = dev->priv; |
| 1317 | |
Johannes Berg | 4150c57 | 2007-09-17 01:29:23 -0400 | [diff] [blame] | 1318 | if (changed_flags & FIF_FCSFAIL) |
| 1319 | priv->rx_conf ^= RTL818X_RX_CONF_FCS; |
| 1320 | if (changed_flags & FIF_CONTROL) |
| 1321 | priv->rx_conf ^= RTL818X_RX_CONF_CTRL; |
| 1322 | if (changed_flags & FIF_OTHER_BSS) |
| 1323 | priv->rx_conf ^= RTL818X_RX_CONF_MONITOR; |
Johannes Berg | 3ac64be | 2009-08-17 16:16:53 +0200 | [diff] [blame] | 1324 | if (*total_flags & FIF_ALLMULTI || multicast > 0) |
Johannes Berg | 4150c57 | 2007-09-17 01:29:23 -0400 | [diff] [blame] | 1325 | priv->rx_conf |= RTL818X_RX_CONF_MULTICAST; |
Michael Wu | 2fe1426 | 2007-10-20 20:05:31 -0400 | [diff] [blame] | 1326 | else |
| 1327 | priv->rx_conf &= ~RTL818X_RX_CONF_MULTICAST; |
Johannes Berg | 4150c57 | 2007-09-17 01:29:23 -0400 | [diff] [blame] | 1328 | |
Michael Wu | 2fe1426 | 2007-10-20 20:05:31 -0400 | [diff] [blame] | 1329 | *total_flags = 0; |
| 1330 | |
Johannes Berg | 4150c57 | 2007-09-17 01:29:23 -0400 | [diff] [blame] | 1331 | if (priv->rx_conf & RTL818X_RX_CONF_FCS) |
| 1332 | *total_flags |= FIF_FCSFAIL; |
| 1333 | if (priv->rx_conf & RTL818X_RX_CONF_CTRL) |
| 1334 | *total_flags |= FIF_CONTROL; |
| 1335 | if (priv->rx_conf & RTL818X_RX_CONF_MONITOR) |
| 1336 | *total_flags |= FIF_OTHER_BSS; |
Michael Wu | 2fe1426 | 2007-10-20 20:05:31 -0400 | [diff] [blame] | 1337 | if (priv->rx_conf & RTL818X_RX_CONF_MULTICAST) |
| 1338 | *total_flags |= FIF_ALLMULTI; |
Johannes Berg | 4150c57 | 2007-09-17 01:29:23 -0400 | [diff] [blame] | 1339 | |
| 1340 | rtl818x_iowrite32_async(priv, &priv->map->RX_CONF, priv->rx_conf); |
| 1341 | } |
| 1342 | |
Eliad Peller | 8a3a3c8 | 2011-10-02 10:15:52 +0200 | [diff] [blame] | 1343 | static int rtl8187_conf_tx(struct ieee80211_hw *dev, |
| 1344 | struct ieee80211_vif *vif, u16 queue, |
Herton Ronaldo Krzesinski | b4572a9 | 2008-11-13 10:39:15 -0500 | [diff] [blame] | 1345 | const struct ieee80211_tx_queue_params *params) |
| 1346 | { |
| 1347 | struct rtl8187_priv *priv = dev->priv; |
| 1348 | u8 cw_min, cw_max; |
| 1349 | |
| 1350 | if (queue > 3) |
| 1351 | return -EINVAL; |
| 1352 | |
| 1353 | cw_min = fls(params->cw_min); |
| 1354 | cw_max = fls(params->cw_max); |
| 1355 | |
| 1356 | if (priv->is_rtl8187b) { |
| 1357 | priv->aifsn[queue] = params->aifs; |
| 1358 | |
| 1359 | /* |
| 1360 | * This is the structure of AC_*_PARAM registers in 8187B: |
| 1361 | * - TXOP limit field, bit offset = 16 |
| 1362 | * - ECWmax, bit offset = 12 |
| 1363 | * - ECWmin, bit offset = 8 |
| 1364 | * - AIFS, bit offset = 0 |
| 1365 | */ |
| 1366 | rtl818x_iowrite32(priv, rtl8187b_ac_addr[queue], |
| 1367 | (params->txop << 16) | (cw_max << 12) | |
| 1368 | (cw_min << 8) | (params->aifs * |
| 1369 | priv->slot_time + SIFS_TIME)); |
| 1370 | } else { |
| 1371 | if (queue != 0) |
| 1372 | return -EINVAL; |
| 1373 | |
| 1374 | rtl818x_iowrite8(priv, &priv->map->CW_VAL, |
| 1375 | cw_min | (cw_max << 4)); |
| 1376 | } |
| 1377 | return 0; |
| 1378 | } |
| 1379 | |
Larry Finger | 22e16e5 | 2010-01-26 17:45:28 -0600 | [diff] [blame] | 1380 | |
Michael Wu | 605bebe | 2007-05-14 01:41:02 -0400 | [diff] [blame] | 1381 | static const struct ieee80211_ops rtl8187_ops = { |
| 1382 | .tx = rtl8187_tx, |
Johannes Berg | 4150c57 | 2007-09-17 01:29:23 -0400 | [diff] [blame] | 1383 | .start = rtl8187_start, |
Michael Wu | 605bebe | 2007-05-14 01:41:02 -0400 | [diff] [blame] | 1384 | .stop = rtl8187_stop, |
| 1385 | .add_interface = rtl8187_add_interface, |
| 1386 | .remove_interface = rtl8187_remove_interface, |
| 1387 | .config = rtl8187_config, |
Herton Ronaldo Krzesinski | 6476107 | 2008-10-13 18:10:59 +0000 | [diff] [blame] | 1388 | .bss_info_changed = rtl8187_bss_info_changed, |
Johannes Berg | 3ac64be | 2009-08-17 16:16:53 +0200 | [diff] [blame] | 1389 | .prepare_multicast = rtl8187_prepare_multicast, |
Johannes Berg | 4150c57 | 2007-09-17 01:29:23 -0400 | [diff] [blame] | 1390 | .configure_filter = rtl8187_configure_filter, |
Herton Ronaldo Krzesinski | ca9152e | 2009-08-26 13:54:09 -0300 | [diff] [blame] | 1391 | .conf_tx = rtl8187_conf_tx, |
Larry Finger | 22e16e5 | 2010-01-26 17:45:28 -0600 | [diff] [blame] | 1392 | .rfkill_poll = rtl8187_rfkill_poll, |
| 1393 | .get_tsf = rtl8187_get_tsf, |
Michael Wu | 605bebe | 2007-05-14 01:41:02 -0400 | [diff] [blame] | 1394 | }; |
| 1395 | |
| 1396 | static void rtl8187_eeprom_register_read(struct eeprom_93cx6 *eeprom) |
| 1397 | { |
| 1398 | struct ieee80211_hw *dev = eeprom->data; |
| 1399 | struct rtl8187_priv *priv = dev->priv; |
| 1400 | u8 reg = rtl818x_ioread8(priv, &priv->map->EEPROM_CMD); |
| 1401 | |
| 1402 | eeprom->reg_data_in = reg & RTL818X_EEPROM_CMD_WRITE; |
| 1403 | eeprom->reg_data_out = reg & RTL818X_EEPROM_CMD_READ; |
| 1404 | eeprom->reg_data_clock = reg & RTL818X_EEPROM_CMD_CK; |
| 1405 | eeprom->reg_chip_select = reg & RTL818X_EEPROM_CMD_CS; |
| 1406 | } |
| 1407 | |
| 1408 | static void rtl8187_eeprom_register_write(struct eeprom_93cx6 *eeprom) |
| 1409 | { |
| 1410 | struct ieee80211_hw *dev = eeprom->data; |
| 1411 | struct rtl8187_priv *priv = dev->priv; |
| 1412 | u8 reg = RTL818X_EEPROM_CMD_PROGRAM; |
| 1413 | |
| 1414 | if (eeprom->reg_data_in) |
| 1415 | reg |= RTL818X_EEPROM_CMD_WRITE; |
| 1416 | if (eeprom->reg_data_out) |
| 1417 | reg |= RTL818X_EEPROM_CMD_READ; |
| 1418 | if (eeprom->reg_data_clock) |
| 1419 | reg |= RTL818X_EEPROM_CMD_CK; |
| 1420 | if (eeprom->reg_chip_select) |
| 1421 | reg |= RTL818X_EEPROM_CMD_CS; |
| 1422 | |
| 1423 | rtl818x_iowrite8(priv, &priv->map->EEPROM_CMD, reg); |
| 1424 | udelay(10); |
| 1425 | } |
| 1426 | |
Bill Pemberton | fd549f1 | 2012-12-03 09:56:41 -0500 | [diff] [blame] | 1427 | static int rtl8187_probe(struct usb_interface *intf, |
Michael Wu | 605bebe | 2007-05-14 01:41:02 -0400 | [diff] [blame] | 1428 | const struct usb_device_id *id) |
| 1429 | { |
| 1430 | struct usb_device *udev = interface_to_usbdev(intf); |
| 1431 | struct ieee80211_hw *dev; |
| 1432 | struct rtl8187_priv *priv; |
| 1433 | struct eeprom_93cx6 eeprom; |
| 1434 | struct ieee80211_channel *channel; |
Hin-Tak Leung | 6f7853f | 2008-07-08 12:36:04 +0100 | [diff] [blame] | 1435 | const char *chip_name; |
Michael Wu | 605bebe | 2007-05-14 01:41:02 -0400 | [diff] [blame] | 1436 | u16 txpwr, reg; |
Larry Finger | 70d5713 | 2009-12-05 19:25:22 -0600 | [diff] [blame] | 1437 | u16 product_id = le16_to_cpu(udev->descriptor.idProduct); |
Michael Wu | 605bebe | 2007-05-14 01:41:02 -0400 | [diff] [blame] | 1438 | int err, i; |
John W. Linville | f2c9838 | 2010-05-04 15:48:48 -0400 | [diff] [blame] | 1439 | u8 mac_addr[ETH_ALEN]; |
Michael Wu | 605bebe | 2007-05-14 01:41:02 -0400 | [diff] [blame] | 1440 | |
| 1441 | dev = ieee80211_alloc_hw(sizeof(*priv), &rtl8187_ops); |
| 1442 | if (!dev) { |
| 1443 | printk(KERN_ERR "rtl8187: ieee80211 alloc failed\n"); |
| 1444 | return -ENOMEM; |
| 1445 | } |
| 1446 | |
| 1447 | priv = dev->priv; |
Larry Finger | 0e25b4e | 2008-07-08 09:43:43 -0500 | [diff] [blame] | 1448 | priv->is_rtl8187b = (id->driver_info == DEVICE_RTL8187B); |
Michael Wu | 605bebe | 2007-05-14 01:41:02 -0400 | [diff] [blame] | 1449 | |
John W. Linville | 9be6f0d | 2009-05-06 13:57:27 -0400 | [diff] [blame] | 1450 | /* allocate "DMA aware" buffer for register accesses */ |
| 1451 | priv->io_dmabuf = kmalloc(sizeof(*priv->io_dmabuf), GFP_KERNEL); |
| 1452 | if (!priv->io_dmabuf) { |
| 1453 | err = -ENOMEM; |
| 1454 | goto err_free_dev; |
| 1455 | } |
| 1456 | mutex_init(&priv->io_mutex); |
Sudhir Sreedharan | bcd7de0 | 2018-02-15 12:52:45 +0530 | [diff] [blame] | 1457 | mutex_init(&priv->conf_mutex); |
John W. Linville | 9be6f0d | 2009-05-06 13:57:27 -0400 | [diff] [blame] | 1458 | |
Michael Wu | 605bebe | 2007-05-14 01:41:02 -0400 | [diff] [blame] | 1459 | SET_IEEE80211_DEV(dev, &intf->dev); |
| 1460 | usb_set_intfdata(intf, dev); |
| 1461 | priv->udev = udev; |
| 1462 | |
| 1463 | usb_get_dev(udev); |
| 1464 | |
| 1465 | skb_queue_head_init(&priv->rx_queue); |
Johannes Berg | 8318d78 | 2008-01-24 19:38:38 +0100 | [diff] [blame] | 1466 | |
| 1467 | BUILD_BUG_ON(sizeof(priv->channels) != sizeof(rtl818x_channels)); |
| 1468 | BUILD_BUG_ON(sizeof(priv->rates) != sizeof(rtl818x_rates)); |
| 1469 | |
Michael Wu | 605bebe | 2007-05-14 01:41:02 -0400 | [diff] [blame] | 1470 | memcpy(priv->channels, rtl818x_channels, sizeof(rtl818x_channels)); |
| 1471 | memcpy(priv->rates, rtl818x_rates, sizeof(rtl818x_rates)); |
| 1472 | priv->map = (struct rtl818x_csr *)0xFF00; |
Johannes Berg | 8318d78 | 2008-01-24 19:38:38 +0100 | [diff] [blame] | 1473 | |
Johannes Berg | 57fbcce | 2016-04-12 15:56:15 +0200 | [diff] [blame] | 1474 | priv->band.band = NL80211_BAND_2GHZ; |
Johannes Berg | 8318d78 | 2008-01-24 19:38:38 +0100 | [diff] [blame] | 1475 | priv->band.channels = priv->channels; |
| 1476 | priv->band.n_channels = ARRAY_SIZE(rtl818x_channels); |
| 1477 | priv->band.bitrates = priv->rates; |
| 1478 | priv->band.n_bitrates = ARRAY_SIZE(rtl818x_rates); |
Johannes Berg | 57fbcce | 2016-04-12 15:56:15 +0200 | [diff] [blame] | 1479 | dev->wiphy->bands[NL80211_BAND_2GHZ] = &priv->band; |
Johannes Berg | 8318d78 | 2008-01-24 19:38:38 +0100 | [diff] [blame] | 1480 | |
| 1481 | |
Johannes Berg | 30686bf | 2015-06-02 21:39:54 +0200 | [diff] [blame] | 1482 | ieee80211_hw_set(dev, RX_INCLUDES_FCS); |
| 1483 | ieee80211_hw_set(dev, HOST_BROADCAST_PS_BUFFERING); |
| 1484 | ieee80211_hw_set(dev, SIGNAL_DBM); |
Larry Finger | 6410db5 | 2011-02-28 23:36:09 -0600 | [diff] [blame] | 1485 | /* Initialize rate-control variables */ |
| 1486 | dev->max_rates = 1; |
| 1487 | dev->max_rate_tries = RETRY_COUNT; |
Michael Wu | 605bebe | 2007-05-14 01:41:02 -0400 | [diff] [blame] | 1488 | |
Michael Wu | 605bebe | 2007-05-14 01:41:02 -0400 | [diff] [blame] | 1489 | eeprom.data = dev; |
| 1490 | eeprom.register_read = rtl8187_eeprom_register_read; |
| 1491 | eeprom.register_write = rtl8187_eeprom_register_write; |
| 1492 | if (rtl818x_ioread32(priv, &priv->map->RX_CONF) & (1 << 6)) |
| 1493 | eeprom.width = PCI_EEPROM_WIDTH_93C66; |
| 1494 | else |
| 1495 | eeprom.width = PCI_EEPROM_WIDTH_93C46; |
| 1496 | |
| 1497 | rtl818x_iowrite8(priv, &priv->map->EEPROM_CMD, RTL818X_EEPROM_CMD_CONFIG); |
| 1498 | udelay(10); |
| 1499 | |
| 1500 | eeprom_93cx6_multiread(&eeprom, RTL8187_EEPROM_MAC_ADDR, |
John W. Linville | f2c9838 | 2010-05-04 15:48:48 -0400 | [diff] [blame] | 1501 | (__le16 __force *)mac_addr, 3); |
| 1502 | if (!is_valid_ether_addr(mac_addr)) { |
Michael Wu | 605bebe | 2007-05-14 01:41:02 -0400 | [diff] [blame] | 1503 | printk(KERN_WARNING "rtl8187: Invalid hwaddr! Using randomly " |
| 1504 | "generated MAC address\n"); |
Joe Perches | f4f7f414 | 2012-07-12 19:33:08 +0000 | [diff] [blame] | 1505 | eth_random_addr(mac_addr); |
Michael Wu | 605bebe | 2007-05-14 01:41:02 -0400 | [diff] [blame] | 1506 | } |
John W. Linville | f2c9838 | 2010-05-04 15:48:48 -0400 | [diff] [blame] | 1507 | SET_IEEE80211_PERM_ADDR(dev, mac_addr); |
Michael Wu | 605bebe | 2007-05-14 01:41:02 -0400 | [diff] [blame] | 1508 | |
| 1509 | channel = priv->channels; |
| 1510 | for (i = 0; i < 3; i++) { |
| 1511 | eeprom_93cx6_read(&eeprom, RTL8187_EEPROM_TXPWR_CHAN_1 + i, |
| 1512 | &txpwr); |
Johannes Berg | 8318d78 | 2008-01-24 19:38:38 +0100 | [diff] [blame] | 1513 | (*channel++).hw_value = txpwr & 0xFF; |
| 1514 | (*channel++).hw_value = txpwr >> 8; |
Michael Wu | 605bebe | 2007-05-14 01:41:02 -0400 | [diff] [blame] | 1515 | } |
| 1516 | for (i = 0; i < 2; i++) { |
| 1517 | eeprom_93cx6_read(&eeprom, RTL8187_EEPROM_TXPWR_CHAN_4 + i, |
| 1518 | &txpwr); |
Johannes Berg | 8318d78 | 2008-01-24 19:38:38 +0100 | [diff] [blame] | 1519 | (*channel++).hw_value = txpwr & 0xFF; |
| 1520 | (*channel++).hw_value = txpwr >> 8; |
Michael Wu | 605bebe | 2007-05-14 01:41:02 -0400 | [diff] [blame] | 1521 | } |
Michael Wu | 605bebe | 2007-05-14 01:41:02 -0400 | [diff] [blame] | 1522 | |
| 1523 | eeprom_93cx6_read(&eeprom, RTL8187_EEPROM_TXPWR_BASE, |
| 1524 | &priv->txpwr_base); |
| 1525 | |
Michael Wu | f653211 | 2007-10-14 14:43:16 -0400 | [diff] [blame] | 1526 | reg = rtl818x_ioread8(priv, &priv->map->PGSELECT) & ~1; |
| 1527 | rtl818x_iowrite8(priv, &priv->map->PGSELECT, reg | 1); |
Michael Wu | 605bebe | 2007-05-14 01:41:02 -0400 | [diff] [blame] | 1528 | /* 0 means asic B-cut, we should use SW 3 wire |
| 1529 | * bit-by-bit banging for radio. 1 means we can use |
| 1530 | * USB specific request to write radio registers */ |
| 1531 | priv->asic_rev = rtl818x_ioread8(priv, (u8 *)0xFFFE) & 0x3; |
Michael Wu | f653211 | 2007-10-14 14:43:16 -0400 | [diff] [blame] | 1532 | rtl818x_iowrite8(priv, &priv->map->PGSELECT, reg); |
Michael Wu | 605bebe | 2007-05-14 01:41:02 -0400 | [diff] [blame] | 1533 | rtl818x_iowrite8(priv, &priv->map->EEPROM_CMD, RTL818X_EEPROM_CMD_NORMAL); |
| 1534 | |
Hin-Tak Leung | 6f7853f | 2008-07-08 12:36:04 +0100 | [diff] [blame] | 1535 | if (!priv->is_rtl8187b) { |
| 1536 | u32 reg32; |
| 1537 | reg32 = rtl818x_ioread32(priv, &priv->map->TX_CONF); |
| 1538 | reg32 &= RTL818X_TX_CONF_HWVER_MASK; |
| 1539 | switch (reg32) { |
Larry Finger | 0e25b4e | 2008-07-08 09:43:43 -0500 | [diff] [blame] | 1540 | case RTL818X_TX_CONF_R8187vD_B: |
| 1541 | /* Some RTL8187B devices have a USB ID of 0x8187 |
| 1542 | * detect them here */ |
| 1543 | chip_name = "RTL8187BvB(early)"; |
| 1544 | priv->is_rtl8187b = 1; |
| 1545 | priv->hw_rev = RTL8187BvB; |
| 1546 | break; |
| 1547 | case RTL818X_TX_CONF_R8187vD: |
Hin-Tak Leung | 6f7853f | 2008-07-08 12:36:04 +0100 | [diff] [blame] | 1548 | chip_name = "RTL8187vD"; |
| 1549 | break; |
| 1550 | default: |
| 1551 | chip_name = "RTL8187vB (default)"; |
| 1552 | } |
| 1553 | } else { |
Hin-Tak Leung | 6f7853f | 2008-07-08 12:36:04 +0100 | [diff] [blame] | 1554 | /* |
| 1555 | * Force USB request to write radio registers for 8187B, Realtek |
| 1556 | * only uses it in their sources |
| 1557 | */ |
| 1558 | /*if (priv->asic_rev == 0) { |
| 1559 | printk(KERN_WARNING "rtl8187: Forcing use of USB " |
| 1560 | "requests to write to radio registers\n"); |
| 1561 | priv->asic_rev = 1; |
| 1562 | }*/ |
| 1563 | switch (rtl818x_ioread8(priv, (u8 *)0xFFE1)) { |
| 1564 | case RTL818X_R8187B_B: |
| 1565 | chip_name = "RTL8187BvB"; |
| 1566 | priv->hw_rev = RTL8187BvB; |
| 1567 | break; |
| 1568 | case RTL818X_R8187B_D: |
| 1569 | chip_name = "RTL8187BvD"; |
| 1570 | priv->hw_rev = RTL8187BvD; |
| 1571 | break; |
| 1572 | case RTL818X_R8187B_E: |
| 1573 | chip_name = "RTL8187BvE"; |
| 1574 | priv->hw_rev = RTL8187BvE; |
| 1575 | break; |
| 1576 | default: |
| 1577 | chip_name = "RTL8187BvB (default)"; |
| 1578 | priv->hw_rev = RTL8187BvB; |
| 1579 | } |
| 1580 | } |
| 1581 | |
Larry Finger | 0e25b4e | 2008-07-08 09:43:43 -0500 | [diff] [blame] | 1582 | if (!priv->is_rtl8187b) { |
| 1583 | for (i = 0; i < 2; i++) { |
| 1584 | eeprom_93cx6_read(&eeprom, |
| 1585 | RTL8187_EEPROM_TXPWR_CHAN_6 + i, |
| 1586 | &txpwr); |
| 1587 | (*channel++).hw_value = txpwr & 0xFF; |
| 1588 | (*channel++).hw_value = txpwr >> 8; |
| 1589 | } |
| 1590 | } else { |
| 1591 | eeprom_93cx6_read(&eeprom, RTL8187_EEPROM_TXPWR_CHAN_6, |
| 1592 | &txpwr); |
| 1593 | (*channel++).hw_value = txpwr & 0xFF; |
| 1594 | |
| 1595 | eeprom_93cx6_read(&eeprom, 0x0A, &txpwr); |
| 1596 | (*channel++).hw_value = txpwr & 0xFF; |
| 1597 | |
| 1598 | eeprom_93cx6_read(&eeprom, 0x1C, &txpwr); |
| 1599 | (*channel++).hw_value = txpwr & 0xFF; |
| 1600 | (*channel++).hw_value = txpwr >> 8; |
| 1601 | } |
Larry Finger | 70d5713 | 2009-12-05 19:25:22 -0600 | [diff] [blame] | 1602 | /* Handle the differing rfkill GPIO bit in different models */ |
| 1603 | priv->rfkill_mask = RFKILL_MASK_8187_89_97; |
| 1604 | if (product_id == 0x8197 || product_id == 0x8198) { |
| 1605 | eeprom_93cx6_read(&eeprom, RTL8187_EEPROM_SELECT_GPIO, ®); |
| 1606 | if (reg & 0xFF00) |
| 1607 | priv->rfkill_mask = RFKILL_MASK_8198; |
| 1608 | } |
Attila Fazekas | 41b58f1 | 2012-02-23 19:50:35 +0100 | [diff] [blame] | 1609 | dev->vif_data_size = sizeof(struct rtl8187_vif); |
| 1610 | dev->wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) | |
| 1611 | BIT(NL80211_IFTYPE_ADHOC) ; |
Luis R. Rodriguez | f59ac04 | 2008-08-29 16:26:43 -0700 | [diff] [blame] | 1612 | |
Larry Finger | 0e25b4e | 2008-07-08 09:43:43 -0500 | [diff] [blame] | 1613 | if ((id->driver_info == DEVICE_RTL8187) && priv->is_rtl8187b) |
| 1614 | printk(KERN_INFO "rtl8187: inconsistency between id with OEM" |
| 1615 | " info!\n"); |
| 1616 | |
Michael Wu | f653211 | 2007-10-14 14:43:16 -0400 | [diff] [blame] | 1617 | priv->rf = rtl8187_detect_rf(dev); |
Larry Finger | 0e25b4e | 2008-07-08 09:43:43 -0500 | [diff] [blame] | 1618 | dev->extra_tx_headroom = (!priv->is_rtl8187b) ? |
| 1619 | sizeof(struct rtl8187_tx_hdr) : |
| 1620 | sizeof(struct rtl8187b_tx_hdr); |
| 1621 | if (!priv->is_rtl8187b) |
| 1622 | dev->queues = 1; |
| 1623 | else |
| 1624 | dev->queues = 4; |
Michael Wu | 605bebe | 2007-05-14 01:41:02 -0400 | [diff] [blame] | 1625 | |
| 1626 | err = ieee80211_register_hw(dev); |
| 1627 | if (err) { |
| 1628 | printk(KERN_ERR "rtl8187: Cannot register device\n"); |
John W. Linville | 9be6f0d | 2009-05-06 13:57:27 -0400 | [diff] [blame] | 1629 | goto err_free_dmabuf; |
Michael Wu | 605bebe | 2007-05-14 01:41:02 -0400 | [diff] [blame] | 1630 | } |
Herton Ronaldo Krzesinski | 3517afd | 2008-11-13 10:39:16 -0500 | [diff] [blame] | 1631 | skb_queue_head_init(&priv->b_tx_status.queue); |
Michael Wu | 605bebe | 2007-05-14 01:41:02 -0400 | [diff] [blame] | 1632 | |
Joe Perches | 5db5584 | 2010-08-11 19:11:19 -0700 | [diff] [blame] | 1633 | wiphy_info(dev->wiphy, "hwaddr %pM, %s V%d + %s, rfkill mask %d\n", |
Joe Perches | c96c31e | 2010-07-26 14:39:58 -0700 | [diff] [blame] | 1634 | mac_addr, chip_name, priv->asic_rev, priv->rf->name, |
| 1635 | priv->rfkill_mask); |
Michael Wu | 605bebe | 2007-05-14 01:41:02 -0400 | [diff] [blame] | 1636 | |
Larry Finger | a027087 | 2009-04-16 19:56:38 -0500 | [diff] [blame] | 1637 | #ifdef CONFIG_RTL8187_LEDS |
| 1638 | eeprom_93cx6_read(&eeprom, 0x3F, ®); |
| 1639 | reg &= 0xFF; |
| 1640 | rtl8187_leds_init(dev, reg); |
| 1641 | #endif |
Herton Ronaldo Krzesinski | ca9152e | 2009-08-26 13:54:09 -0300 | [diff] [blame] | 1642 | rtl8187_rfkill_init(dev); |
Larry Finger | a027087 | 2009-04-16 19:56:38 -0500 | [diff] [blame] | 1643 | |
Michael Wu | 605bebe | 2007-05-14 01:41:02 -0400 | [diff] [blame] | 1644 | return 0; |
| 1645 | |
John W. Linville | 9be6f0d | 2009-05-06 13:57:27 -0400 | [diff] [blame] | 1646 | err_free_dmabuf: |
| 1647 | kfree(priv->io_dmabuf); |
Michael Wu | 605bebe | 2007-05-14 01:41:02 -0400 | [diff] [blame] | 1648 | usb_set_intfdata(intf, NULL); |
| 1649 | usb_put_dev(udev); |
Alexey Khoroshilov | a31267c | 2014-03-29 00:26:15 +0400 | [diff] [blame] | 1650 | err_free_dev: |
| 1651 | ieee80211_free_hw(dev); |
Michael Wu | 605bebe | 2007-05-14 01:41:02 -0400 | [diff] [blame] | 1652 | return err; |
| 1653 | } |
| 1654 | |
Bill Pemberton | fd549f1 | 2012-12-03 09:56:41 -0500 | [diff] [blame] | 1655 | static void rtl8187_disconnect(struct usb_interface *intf) |
Michael Wu | 605bebe | 2007-05-14 01:41:02 -0400 | [diff] [blame] | 1656 | { |
| 1657 | struct ieee80211_hw *dev = usb_get_intfdata(intf); |
| 1658 | struct rtl8187_priv *priv; |
| 1659 | |
| 1660 | if (!dev) |
| 1661 | return; |
| 1662 | |
Larry Finger | a027087 | 2009-04-16 19:56:38 -0500 | [diff] [blame] | 1663 | #ifdef CONFIG_RTL8187_LEDS |
| 1664 | rtl8187_leds_exit(dev); |
| 1665 | #endif |
Herton Ronaldo Krzesinski | ca9152e | 2009-08-26 13:54:09 -0300 | [diff] [blame] | 1666 | rtl8187_rfkill_exit(dev); |
Michael Wu | 605bebe | 2007-05-14 01:41:02 -0400 | [diff] [blame] | 1667 | ieee80211_unregister_hw(dev); |
| 1668 | |
| 1669 | priv = dev->priv; |
Johannes Berg | d6e2be9 | 2009-01-05 23:11:26 -0600 | [diff] [blame] | 1670 | usb_reset_device(priv->udev); |
Michael Wu | 605bebe | 2007-05-14 01:41:02 -0400 | [diff] [blame] | 1671 | usb_put_dev(interface_to_usbdev(intf)); |
John W. Linville | 9be6f0d | 2009-05-06 13:57:27 -0400 | [diff] [blame] | 1672 | kfree(priv->io_dmabuf); |
Michael Wu | 605bebe | 2007-05-14 01:41:02 -0400 | [diff] [blame] | 1673 | ieee80211_free_hw(dev); |
| 1674 | } |
| 1675 | |
| 1676 | static struct usb_driver rtl8187_driver = { |
| 1677 | .name = KBUILD_MODNAME, |
| 1678 | .id_table = rtl8187_table, |
| 1679 | .probe = rtl8187_probe, |
Bill Pemberton | fd549f1 | 2012-12-03 09:56:41 -0500 | [diff] [blame] | 1680 | .disconnect = rtl8187_disconnect, |
Sarah Sharp | e1f12eb | 2012-04-23 10:08:51 -0700 | [diff] [blame] | 1681 | .disable_hub_initiated_lpm = 1, |
Michael Wu | 605bebe | 2007-05-14 01:41:02 -0400 | [diff] [blame] | 1682 | }; |
| 1683 | |
Greg Kroah-Hartman | d632eb1 | 2011-11-18 09:44:20 -0800 | [diff] [blame] | 1684 | module_usb_driver(rtl8187_driver); |