Li YanBo | 0f22aab | 2008-10-27 20:32:57 -0700 | [diff] [blame] | 1 | /** |
| 2 | * Airgo MIMO wireless driver |
| 3 | * |
| 4 | * Copyright (c) 2007 Li YanBo <dreamfly281@gmail.com> |
| 5 | |
| 6 | * Thanks for Jeff Williams <angelbane@gmail.com> do reverse engineer |
| 7 | * works and published the SPECS at http://airgo.wdwconsulting.net/mymoin |
| 8 | |
| 9 | * This program is free software; you can redistribute it and/or modify |
| 10 | * it under the terms of the GNU General Public License version 2 as |
| 11 | * published by the Free Software Foundation. |
| 12 | */ |
| 13 | |
| 14 | #include <linux/init.h> |
| 15 | #include <linux/etherdevice.h> |
| 16 | #include <linux/pci.h> |
| 17 | #include <linux/delay.h> |
| 18 | |
| 19 | #include "agnx.h" |
| 20 | #include "debug.h" |
| 21 | #include "xmit.h" |
| 22 | #include "phy.h" |
| 23 | |
| 24 | MODULE_AUTHOR("Li YanBo <dreamfly281@gmail.com>"); |
| 25 | MODULE_DESCRIPTION("Airgo MIMO PCI wireless driver"); |
| 26 | MODULE_LICENSE("GPL"); |
| 27 | |
| 28 | static struct pci_device_id agnx_pci_id_tbl[] __devinitdata = { |
| 29 | { PCI_DEVICE(0x17cb, 0x0001) }, /* Beklin F5d8010, Netgear WGM511 etc */ |
| 30 | { PCI_DEVICE(0x17cb, 0x0002) }, /* Netgear Wpnt511 */ |
| 31 | { 0 } |
| 32 | }; |
| 33 | |
| 34 | MODULE_DEVICE_TABLE(pci, agnx_pci_id_tbl); |
| 35 | |
| 36 | |
| 37 | static inline void agnx_interrupt_ack(struct agnx_priv *priv, u32 *reason) |
| 38 | { |
| 39 | void __iomem *ctl = priv->ctl; |
| 40 | u32 reg; |
| 41 | |
Erik Andrén | f58e12e | 2009-03-14 22:39:30 +0100 | [diff] [blame] | 42 | if (*reason & AGNX_STAT_RX) { |
Li YanBo | 0f22aab | 2008-10-27 20:32:57 -0700 | [diff] [blame] | 43 | /* Mark complete RX */ |
| 44 | reg = ioread32(ctl + AGNX_CIR_RXCTL); |
| 45 | reg |= 0x4; |
| 46 | iowrite32(reg, ctl + AGNX_CIR_RXCTL); |
| 47 | /* disable Rx interrupt */ |
| 48 | } |
Erik Andrén | f58e12e | 2009-03-14 22:39:30 +0100 | [diff] [blame] | 49 | if (*reason & AGNX_STAT_TX) { |
Li YanBo | 0f22aab | 2008-10-27 20:32:57 -0700 | [diff] [blame] | 50 | reg = ioread32(ctl + AGNX_CIR_TXDCTL); |
| 51 | if (reg & 0x4) { |
| 52 | iowrite32(reg, ctl + AGNX_CIR_TXDCTL); |
| 53 | *reason |= AGNX_STAT_TXD; |
| 54 | } |
Erik Andrén | f58e12e | 2009-03-14 22:39:30 +0100 | [diff] [blame] | 55 | reg = ioread32(ctl + AGNX_CIR_TXMCTL); |
Li YanBo | 0f22aab | 2008-10-27 20:32:57 -0700 | [diff] [blame] | 56 | if (reg & 0x4) { |
| 57 | iowrite32(reg, ctl + AGNX_CIR_TXMCTL); |
| 58 | *reason |= AGNX_STAT_TXM; |
| 59 | } |
| 60 | } |
Greg Kroah-Hartman | f94338f | 2009-06-04 11:29:54 -0700 | [diff] [blame] | 61 | #if 0 |
| 62 | if (*reason & AGNX_STAT_X) { |
Erik Andrén | f58e12e | 2009-03-14 22:39:30 +0100 | [diff] [blame] | 63 | reg = ioread32(ctl + AGNX_INT_STAT); |
| 64 | iowrite32(reg, ctl + AGNX_INT_STAT); |
Greg Kroah-Hartman | f94338f | 2009-06-04 11:29:54 -0700 | [diff] [blame] | 65 | /* FIXME reinit interrupt mask */ |
Erik Andrén | f58e12e | 2009-03-14 22:39:30 +0100 | [diff] [blame] | 66 | reg = 0xc390bf9 & ~IRQ_TX_BEACON; |
| 67 | reg &= ~IRQ_TX_DISABLE; |
| 68 | iowrite32(reg, ctl + AGNX_INT_MASK); |
| 69 | iowrite32(0x800, ctl + AGNX_CIR_BLKCTL); |
Greg Kroah-Hartman | f94338f | 2009-06-04 11:29:54 -0700 | [diff] [blame] | 70 | } |
| 71 | #endif |
Li YanBo | 0f22aab | 2008-10-27 20:32:57 -0700 | [diff] [blame] | 72 | } /* agnx_interrupt_ack */ |
| 73 | |
| 74 | static irqreturn_t agnx_interrupt_handler(int irq, void *dev_id) |
| 75 | { |
| 76 | struct ieee80211_hw *dev = dev_id; |
| 77 | struct agnx_priv *priv = dev->priv; |
| 78 | void __iomem *ctl = priv->ctl; |
| 79 | irqreturn_t ret = IRQ_NONE; |
| 80 | u32 irq_reason; |
| 81 | |
| 82 | spin_lock(&priv->lock); |
| 83 | |
Erik Andrén | f58e12e | 2009-03-14 22:39:30 +0100 | [diff] [blame] | 84 | /* printk(KERN_ERR PFX "Get a interrupt %s\n", __func__); */ |
Li YanBo | 0f22aab | 2008-10-27 20:32:57 -0700 | [diff] [blame] | 85 | |
| 86 | if (priv->init_status != AGNX_START) |
| 87 | goto out; |
| 88 | |
| 89 | /* FiXME Here has no lock, Is this will lead to race? */ |
| 90 | irq_reason = ioread32(ctl + AGNX_CIR_BLKCTL); |
| 91 | if (!(irq_reason & 0x7)) |
| 92 | goto out; |
| 93 | |
| 94 | ret = IRQ_HANDLED; |
| 95 | priv->irq_status = ioread32(ctl + AGNX_INT_STAT); |
| 96 | |
Erik Andrén | f58e12e | 2009-03-14 22:39:30 +0100 | [diff] [blame] | 97 | /* printk(PFX "Interrupt reason is 0x%x\n", irq_reason); */ |
Li YanBo | 0f22aab | 2008-10-27 20:32:57 -0700 | [diff] [blame] | 98 | /* Make sure the txm and txd flags don't conflict with other unknown |
| 99 | interrupt flag, maybe is not necessary */ |
| 100 | irq_reason &= 0xF; |
| 101 | |
| 102 | disable_rx_interrupt(priv); |
| 103 | /* TODO Make sure the card finished initialized */ |
| 104 | agnx_interrupt_ack(priv, &irq_reason); |
| 105 | |
Erik Andrén | f58e12e | 2009-03-14 22:39:30 +0100 | [diff] [blame] | 106 | if (irq_reason & AGNX_STAT_RX) |
Li YanBo | 0f22aab | 2008-10-27 20:32:57 -0700 | [diff] [blame] | 107 | handle_rx_irq(priv); |
Erik Andrén | f58e12e | 2009-03-14 22:39:30 +0100 | [diff] [blame] | 108 | if (irq_reason & AGNX_STAT_TXD) |
Li YanBo | 0f22aab | 2008-10-27 20:32:57 -0700 | [diff] [blame] | 109 | handle_txd_irq(priv); |
Erik Andrén | f58e12e | 2009-03-14 22:39:30 +0100 | [diff] [blame] | 110 | if (irq_reason & AGNX_STAT_TXM) |
Li YanBo | 0f22aab | 2008-10-27 20:32:57 -0700 | [diff] [blame] | 111 | handle_txm_irq(priv); |
Erik Andrén | f58e12e | 2009-03-14 22:39:30 +0100 | [diff] [blame] | 112 | if (irq_reason & AGNX_STAT_X) |
Li YanBo | 0f22aab | 2008-10-27 20:32:57 -0700 | [diff] [blame] | 113 | handle_other_irq(priv); |
| 114 | |
| 115 | enable_rx_interrupt(priv); |
| 116 | out: |
| 117 | spin_unlock(&priv->lock); |
| 118 | return ret; |
| 119 | } /* agnx_interrupt_handler */ |
| 120 | |
| 121 | |
| 122 | /* FIXME */ |
| 123 | static int agnx_tx(struct ieee80211_hw *dev, struct sk_buff *skb) |
| 124 | { |
| 125 | AGNX_TRACE; |
| 126 | return _agnx_tx(dev->priv, skb); |
| 127 | } /* agnx_tx */ |
| 128 | |
| 129 | |
| 130 | static int agnx_get_mac_address(struct agnx_priv *priv) |
| 131 | { |
| 132 | void __iomem *ctl = priv->ctl; |
| 133 | u32 reg; |
| 134 | AGNX_TRACE; |
| 135 | |
| 136 | /* Attention! directly read the MAC or other date from EEPROM will |
| 137 | lead to cardbus(WGM511) lock up when write to PM PLL register */ |
| 138 | reg = agnx_read32(ctl, 0x3544); |
| 139 | udelay(40); |
| 140 | reg = agnx_read32(ctl, 0x354c); |
| 141 | udelay(50); |
| 142 | /* Get the mac address */ |
| 143 | reg = agnx_read32(ctl, 0x3544); |
| 144 | udelay(40); |
| 145 | |
| 146 | /* HACK */ |
| 147 | reg = cpu_to_le32(reg); |
| 148 | priv->mac_addr[0] = ((u8 *)®)[2]; |
| 149 | priv->mac_addr[1] = ((u8 *)®)[3]; |
| 150 | reg = agnx_read32(ctl, 0x3548); |
| 151 | udelay(50); |
| 152 | *((u32 *)(priv->mac_addr + 2)) = cpu_to_le32(reg); |
| 153 | |
| 154 | if (!is_valid_ether_addr(priv->mac_addr)) { |
Alexander Beregalov | c2c5be8 | 2009-04-11 23:01:21 +0400 | [diff] [blame] | 155 | printk(KERN_WARNING PFX "read mac %pM\n", priv->mac_addr); |
Li YanBo | 0f22aab | 2008-10-27 20:32:57 -0700 | [diff] [blame] | 156 | printk(KERN_WARNING PFX "Invalid hwaddr! Using random hwaddr\n"); |
| 157 | random_ether_addr(priv->mac_addr); |
| 158 | } |
| 159 | |
| 160 | return 0; |
| 161 | } /* agnx_get_mac_address */ |
| 162 | |
| 163 | static int agnx_alloc_rings(struct agnx_priv *priv) |
| 164 | { |
| 165 | unsigned int len; |
| 166 | AGNX_TRACE; |
| 167 | |
| 168 | /* Allocate RX/TXM/TXD rings info */ |
| 169 | priv->rx.size = AGNX_RX_RING_SIZE; |
| 170 | priv->txm.size = AGNX_TXM_RING_SIZE; |
| 171 | priv->txd.size = AGNX_TXD_RING_SIZE; |
| 172 | |
| 173 | len = priv->rx.size + priv->txm.size + priv->txd.size; |
| 174 | |
Erik Andrén | f58e12e | 2009-03-14 22:39:30 +0100 | [diff] [blame] | 175 | /* priv->rx.info = kzalloc(sizeof(struct agnx_info) * len, GFP_KERNEL); */ |
Li YanBo | 0f22aab | 2008-10-27 20:32:57 -0700 | [diff] [blame] | 176 | priv->rx.info = kzalloc(sizeof(struct agnx_info) * len, GFP_ATOMIC); |
| 177 | if (!priv->rx.info) |
| 178 | return -ENOMEM; |
| 179 | priv->txm.info = priv->rx.info + priv->rx.size; |
| 180 | priv->txd.info = priv->txm.info + priv->txm.size; |
| 181 | |
| 182 | /* Allocate RX/TXM/TXD descriptors */ |
| 183 | priv->rx.desc = pci_alloc_consistent(priv->pdev, sizeof(struct agnx_desc) * len, |
| 184 | &priv->rx.dma); |
| 185 | if (!priv->rx.desc) { |
| 186 | kfree(priv->rx.info); |
| 187 | return -ENOMEM; |
| 188 | } |
| 189 | |
| 190 | priv->txm.desc = priv->rx.desc + priv->rx.size; |
| 191 | priv->txm.dma = priv->rx.dma + sizeof(struct agnx_desc) * priv->rx.size; |
| 192 | priv->txd.desc = priv->txm.desc + priv->txm.size; |
| 193 | priv->txd.dma = priv->txm.dma + sizeof(struct agnx_desc) * priv->txm.size; |
| 194 | |
| 195 | return 0; |
| 196 | } /* agnx_alloc_rings */ |
| 197 | |
| 198 | static void rings_free(struct agnx_priv *priv) |
| 199 | { |
| 200 | unsigned int len = priv->rx.size + priv->txm.size + priv->txd.size; |
| 201 | unsigned long flags; |
| 202 | AGNX_TRACE; |
| 203 | |
| 204 | spin_lock_irqsave(&priv->lock, flags); |
| 205 | kfree(priv->rx.info); |
| 206 | pci_free_consistent(priv->pdev, sizeof(struct agnx_desc) * len, |
| 207 | priv->rx.desc, priv->rx.dma); |
| 208 | spin_unlock_irqrestore(&priv->lock, flags); |
| 209 | } |
| 210 | |
Greg Kroah-Hartman | e543c24 | 2008-11-13 15:34:13 -0800 | [diff] [blame] | 211 | #if 0 |
Li YanBo | 0f22aab | 2008-10-27 20:32:57 -0700 | [diff] [blame] | 212 | static void agnx_periodic_work_handler(struct work_struct *work) |
| 213 | { |
Erik Andrén | f58e12e | 2009-03-14 22:39:30 +0100 | [diff] [blame] | 214 | struct agnx_priv *priv = container_of(work, struct agnx_priv, periodic_work.work); |
| 215 | /* unsigned long flags; */ |
Li YanBo | 0f22aab | 2008-10-27 20:32:57 -0700 | [diff] [blame] | 216 | unsigned long delay; |
| 217 | |
| 218 | /* fixme: using mutex?? */ |
Erik Andrén | f58e12e | 2009-03-14 22:39:30 +0100 | [diff] [blame] | 219 | /* spin_lock_irqsave(&priv->lock, flags); */ |
Li YanBo | 0f22aab | 2008-10-27 20:32:57 -0700 | [diff] [blame] | 220 | |
| 221 | /* TODO Recalibrate*/ |
Erik Andrén | f58e12e | 2009-03-14 22:39:30 +0100 | [diff] [blame] | 222 | /* calibrate_oscillator(priv); */ |
| 223 | /* antenna_calibrate(priv); */ |
Greg Kroah-Hartman | f94338f | 2009-06-04 11:29:54 -0700 | [diff] [blame] | 224 | /* agnx_send_packet(priv, 997); */ |
Li YanBo | 0f22aab | 2008-10-27 20:32:57 -0700 | [diff] [blame] | 225 | /* FIXME */ |
| 226 | /* if (debug == 3) */ |
| 227 | /* delay = msecs_to_jiffies(AGNX_PERIODIC_DELAY); */ |
| 228 | /* else */ |
| 229 | delay = msecs_to_jiffies(AGNX_PERIODIC_DELAY); |
Erik Andrén | f58e12e | 2009-03-14 22:39:30 +0100 | [diff] [blame] | 230 | /* delay = round_jiffies(HZ * 15); */ |
Li YanBo | 0f22aab | 2008-10-27 20:32:57 -0700 | [diff] [blame] | 231 | |
| 232 | queue_delayed_work(priv->hw->workqueue, &priv->periodic_work, delay); |
| 233 | |
Erik Andrén | f58e12e | 2009-03-14 22:39:30 +0100 | [diff] [blame] | 234 | /* spin_unlock_irqrestore(&priv->lock, flags); */ |
Li YanBo | 0f22aab | 2008-10-27 20:32:57 -0700 | [diff] [blame] | 235 | } |
Greg Kroah-Hartman | e543c24 | 2008-11-13 15:34:13 -0800 | [diff] [blame] | 236 | #endif |
Li YanBo | 0f22aab | 2008-10-27 20:32:57 -0700 | [diff] [blame] | 237 | |
| 238 | static int agnx_start(struct ieee80211_hw *dev) |
| 239 | { |
| 240 | struct agnx_priv *priv = dev->priv; |
Greg Kroah-Hartman | e543c24 | 2008-11-13 15:34:13 -0800 | [diff] [blame] | 241 | /* unsigned long delay; */ |
Li YanBo | 0f22aab | 2008-10-27 20:32:57 -0700 | [diff] [blame] | 242 | int err = 0; |
| 243 | AGNX_TRACE; |
| 244 | |
| 245 | err = agnx_alloc_rings(priv); |
| 246 | if (err) { |
| 247 | printk(KERN_ERR PFX "Can't alloc RX/TXM/TXD rings\n"); |
| 248 | goto out; |
| 249 | } |
| 250 | err = request_irq(priv->pdev->irq, &agnx_interrupt_handler, |
| 251 | IRQF_SHARED, "agnx_pci", dev); |
| 252 | if (err) { |
| 253 | printk(KERN_ERR PFX "Failed to register IRQ handler\n"); |
| 254 | rings_free(priv); |
| 255 | goto out; |
| 256 | } |
| 257 | |
Erik Andrén | f58e12e | 2009-03-14 22:39:30 +0100 | [diff] [blame] | 258 | /* mdelay(500); */ |
Li YanBo | 0f22aab | 2008-10-27 20:32:57 -0700 | [diff] [blame] | 259 | |
| 260 | might_sleep(); |
| 261 | agnx_hw_init(priv); |
| 262 | |
Erik Andrén | f58e12e | 2009-03-14 22:39:30 +0100 | [diff] [blame] | 263 | /* mdelay(500); */ |
Li YanBo | 0f22aab | 2008-10-27 20:32:57 -0700 | [diff] [blame] | 264 | might_sleep(); |
| 265 | |
| 266 | priv->init_status = AGNX_START; |
| 267 | /* INIT_DELAYED_WORK(&priv->periodic_work, agnx_periodic_work_handler); */ |
| 268 | /* delay = msecs_to_jiffies(AGNX_PERIODIC_DELAY); */ |
| 269 | /* queue_delayed_work(priv->hw->workqueue, &priv->periodic_work, delay); */ |
| 270 | out: |
| 271 | return err; |
| 272 | } /* agnx_start */ |
| 273 | |
| 274 | static void agnx_stop(struct ieee80211_hw *dev) |
| 275 | { |
| 276 | struct agnx_priv *priv = dev->priv; |
| 277 | AGNX_TRACE; |
| 278 | |
| 279 | priv->init_status = AGNX_STOP; |
| 280 | /* make sure hardware will not generate irq */ |
| 281 | agnx_hw_reset(priv); |
| 282 | free_irq(priv->pdev->irq, dev); |
Erik Andrén | f58e12e | 2009-03-14 22:39:30 +0100 | [diff] [blame] | 283 | flush_workqueue(priv->hw->workqueue); |
| 284 | /* cancel_delayed_work_sync(&priv->periodic_work); */ |
Li YanBo | 0f22aab | 2008-10-27 20:32:57 -0700 | [diff] [blame] | 285 | unfill_rings(priv); |
| 286 | rings_free(priv); |
| 287 | } |
| 288 | |
Herton Ronaldo Krzesinski | 262d387 | 2009-02-13 08:35:12 -0500 | [diff] [blame] | 289 | static int agnx_config(struct ieee80211_hw *dev, u32 changed) |
Li YanBo | 0f22aab | 2008-10-27 20:32:57 -0700 | [diff] [blame] | 290 | { |
| 291 | struct agnx_priv *priv = dev->priv; |
Herton Ronaldo Krzesinski | 262d387 | 2009-02-13 08:35:12 -0500 | [diff] [blame] | 292 | struct ieee80211_conf *conf = &dev->conf; |
Li YanBo | 0f22aab | 2008-10-27 20:32:57 -0700 | [diff] [blame] | 293 | int channel = ieee80211_frequency_to_channel(conf->channel->center_freq); |
| 294 | AGNX_TRACE; |
| 295 | |
| 296 | spin_lock(&priv->lock); |
| 297 | /* FIXME need priv lock? */ |
| 298 | if (channel != priv->channel) { |
| 299 | priv->channel = channel; |
| 300 | agnx_set_channel(priv, priv->channel); |
| 301 | } |
| 302 | |
| 303 | spin_unlock(&priv->lock); |
| 304 | return 0; |
| 305 | } |
| 306 | |
Alexander Beregalov | 49ca37e | 2009-05-12 15:23:13 +0400 | [diff] [blame] | 307 | static void agnx_bss_info_changed(struct ieee80211_hw *dev, |
| 308 | struct ieee80211_vif *vif, |
| 309 | struct ieee80211_bss_conf *conf, |
| 310 | u32 changed) |
Li YanBo | 0f22aab | 2008-10-27 20:32:57 -0700 | [diff] [blame] | 311 | { |
| 312 | struct agnx_priv *priv = dev->priv; |
| 313 | void __iomem *ctl = priv->ctl; |
| 314 | AGNX_TRACE; |
| 315 | |
Alexander Beregalov | 49ca37e | 2009-05-12 15:23:13 +0400 | [diff] [blame] | 316 | if (!(changed & BSS_CHANGED_BSSID)) |
| 317 | return; |
| 318 | |
Li YanBo | 0f22aab | 2008-10-27 20:32:57 -0700 | [diff] [blame] | 319 | spin_lock(&priv->lock); |
| 320 | |
| 321 | if (memcmp(conf->bssid, priv->bssid, ETH_ALEN)) { |
Li YanBo | 0f22aab | 2008-10-27 20:32:57 -0700 | [diff] [blame] | 322 | agnx_set_bssid(priv, conf->bssid); |
| 323 | memcpy(priv->bssid, conf->bssid, ETH_ALEN); |
| 324 | hash_write(priv, conf->bssid, BSSID_STAID); |
| 325 | sta_init(priv, BSSID_STAID); |
| 326 | /* FIXME needed? */ |
| 327 | sta_power_init(priv, BSSID_STAID); |
| 328 | agnx_write32(ctl, AGNX_BM_MTSM, 0xff & ~0x1); |
| 329 | } |
Li YanBo | 0f22aab | 2008-10-27 20:32:57 -0700 | [diff] [blame] | 330 | spin_unlock(&priv->lock); |
Alexander Beregalov | 49ca37e | 2009-05-12 15:23:13 +0400 | [diff] [blame] | 331 | } /* agnx_bss_info_changed */ |
Li YanBo | 0f22aab | 2008-10-27 20:32:57 -0700 | [diff] [blame] | 332 | |
| 333 | |
| 334 | static void agnx_configure_filter(struct ieee80211_hw *dev, |
| 335 | unsigned int changed_flags, |
| 336 | unsigned int *total_flags, |
| 337 | int mc_count, struct dev_mc_list *mclist) |
| 338 | { |
| 339 | unsigned int new_flags = 0; |
| 340 | |
| 341 | *total_flags = new_flags; |
| 342 | /* TODO */ |
| 343 | } |
| 344 | |
| 345 | static int agnx_add_interface(struct ieee80211_hw *dev, |
| 346 | struct ieee80211_if_init_conf *conf) |
| 347 | { |
| 348 | struct agnx_priv *priv = dev->priv; |
| 349 | AGNX_TRACE; |
| 350 | |
| 351 | spin_lock(&priv->lock); |
| 352 | /* FIXME */ |
| 353 | if (priv->mode != NL80211_IFTYPE_MONITOR) |
| 354 | return -EOPNOTSUPP; |
| 355 | |
| 356 | switch (conf->type) { |
| 357 | case NL80211_IFTYPE_STATION: |
| 358 | priv->mode = conf->type; |
| 359 | break; |
| 360 | default: |
| 361 | return -EOPNOTSUPP; |
| 362 | } |
| 363 | |
| 364 | spin_unlock(&priv->lock); |
| 365 | |
| 366 | return 0; |
| 367 | } |
| 368 | |
| 369 | static void agnx_remove_interface(struct ieee80211_hw *dev, |
| 370 | struct ieee80211_if_init_conf *conf) |
| 371 | { |
| 372 | struct agnx_priv *priv = dev->priv; |
| 373 | AGNX_TRACE; |
| 374 | |
| 375 | /* TODO */ |
| 376 | priv->mode = NL80211_IFTYPE_MONITOR; |
| 377 | } |
| 378 | |
| 379 | static int agnx_get_stats(struct ieee80211_hw *dev, |
| 380 | struct ieee80211_low_level_stats *stats) |
| 381 | { |
| 382 | struct agnx_priv *priv = dev->priv; |
| 383 | AGNX_TRACE; |
| 384 | spin_lock(&priv->lock); |
| 385 | /* TODO !! */ |
| 386 | memcpy(stats, &priv->stats, sizeof(*stats)); |
| 387 | spin_unlock(&priv->lock); |
| 388 | |
| 389 | return 0; |
| 390 | } |
| 391 | |
| 392 | static u64 agnx_get_tsft(struct ieee80211_hw *dev) |
| 393 | { |
| 394 | void __iomem *ctl = ((struct agnx_priv *)dev->priv)->ctl; |
| 395 | u32 tsftl; |
| 396 | u64 tsft; |
| 397 | AGNX_TRACE; |
| 398 | |
| 399 | /* FIXME */ |
| 400 | tsftl = ioread32(ctl + AGNX_TXM_TIMESTAMPLO); |
| 401 | tsft = ioread32(ctl + AGNX_TXM_TIMESTAMPHI); |
| 402 | tsft <<= 32; |
| 403 | tsft |= tsftl; |
| 404 | |
| 405 | return tsft; |
| 406 | } |
| 407 | |
| 408 | static int agnx_get_tx_stats(struct ieee80211_hw *dev, |
| 409 | struct ieee80211_tx_queue_stats *stats) |
| 410 | { |
| 411 | struct agnx_priv *priv = dev->priv; |
| 412 | AGNX_TRACE; |
| 413 | |
| 414 | /* FIXME now we just using txd queue, but should using txm queue too */ |
| 415 | stats[0].len = (priv->txd.idx - priv->txd.idx_sent) / 2; |
| 416 | stats[0].limit = priv->txd.size - 2; |
| 417 | stats[0].count = priv->txd.idx / 2; |
| 418 | |
| 419 | return 0; |
| 420 | } |
| 421 | |
| 422 | static struct ieee80211_ops agnx_ops = { |
| 423 | .tx = agnx_tx, |
| 424 | .start = agnx_start, |
| 425 | .stop = agnx_stop, |
| 426 | .add_interface = agnx_add_interface, |
| 427 | .remove_interface = agnx_remove_interface, |
| 428 | .config = agnx_config, |
Alexander Beregalov | 49ca37e | 2009-05-12 15:23:13 +0400 | [diff] [blame] | 429 | .bss_info_changed = agnx_bss_info_changed, |
Erik Andrén | f58e12e | 2009-03-14 22:39:30 +0100 | [diff] [blame] | 430 | .configure_filter = agnx_configure_filter, |
Li YanBo | 0f22aab | 2008-10-27 20:32:57 -0700 | [diff] [blame] | 431 | .get_stats = agnx_get_stats, |
| 432 | .get_tx_stats = agnx_get_tx_stats, |
| 433 | .get_tsf = agnx_get_tsft |
| 434 | }; |
| 435 | |
| 436 | static void __devexit agnx_pci_remove(struct pci_dev *pdev) |
| 437 | { |
| 438 | struct ieee80211_hw *dev = pci_get_drvdata(pdev); |
Julia Lawall | 6bf6767 | 2008-12-19 18:11:01 +0100 | [diff] [blame] | 439 | struct agnx_priv *priv; |
Li YanBo | 0f22aab | 2008-10-27 20:32:57 -0700 | [diff] [blame] | 440 | AGNX_TRACE; |
| 441 | |
| 442 | if (!dev) |
| 443 | return; |
Julia Lawall | 6bf6767 | 2008-12-19 18:11:01 +0100 | [diff] [blame] | 444 | priv = dev->priv; |
Li YanBo | 0f22aab | 2008-10-27 20:32:57 -0700 | [diff] [blame] | 445 | ieee80211_unregister_hw(dev); |
| 446 | pci_iounmap(pdev, priv->ctl); |
| 447 | pci_iounmap(pdev, priv->data); |
| 448 | pci_release_regions(pdev); |
| 449 | pci_disable_device(pdev); |
| 450 | |
| 451 | ieee80211_free_hw(dev); |
| 452 | } |
| 453 | |
| 454 | static int __devinit agnx_pci_probe(struct pci_dev *pdev, |
| 455 | const struct pci_device_id *id) |
| 456 | { |
| 457 | struct ieee80211_hw *dev; |
| 458 | struct agnx_priv *priv; |
Li YanBo | 0f22aab | 2008-10-27 20:32:57 -0700 | [diff] [blame] | 459 | int err; |
Li YanBo | 0f22aab | 2008-10-27 20:32:57 -0700 | [diff] [blame] | 460 | |
| 461 | err = pci_enable_device(pdev); |
| 462 | if (err) { |
Jiri Slaby | 9c2a610 | 2009-03-26 09:34:07 +0100 | [diff] [blame] | 463 | dev_err(&pdev->dev, "can't enable pci device\n"); |
Li YanBo | 0f22aab | 2008-10-27 20:32:57 -0700 | [diff] [blame] | 464 | return err; |
| 465 | } |
| 466 | |
Li YanBo | 0f22aab | 2008-10-27 20:32:57 -0700 | [diff] [blame] | 467 | err = pci_request_regions(pdev, "agnx-pci"); |
| 468 | if (err) { |
Jiri Slaby | 9c2a610 | 2009-03-26 09:34:07 +0100 | [diff] [blame] | 469 | dev_err(&pdev->dev, "can't reserve PCI resources\n"); |
Li YanBo | 0f22aab | 2008-10-27 20:32:57 -0700 | [diff] [blame] | 470 | return err; |
| 471 | } |
| 472 | |
Yang Hongyang | 284901a | 2009-04-06 19:01:15 -0700 | [diff] [blame] | 473 | if (pci_set_dma_mask(pdev, DMA_BIT_MASK(32)) || |
| 474 | pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32))) { |
Jiri Slaby | 9c2a610 | 2009-03-26 09:34:07 +0100 | [diff] [blame] | 475 | dev_err(&pdev->dev, "no suitable DMA available\n"); |
Jiri Slaby | 8af6caf | 2009-03-26 09:34:09 +0100 | [diff] [blame] | 476 | err = -EIO; |
Li YanBo | 0f22aab | 2008-10-27 20:32:57 -0700 | [diff] [blame] | 477 | goto err_free_reg; |
| 478 | } |
| 479 | |
| 480 | pci_set_master(pdev); |
Li YanBo | 0f22aab | 2008-10-27 20:32:57 -0700 | [diff] [blame] | 481 | |
| 482 | dev = ieee80211_alloc_hw(sizeof(*priv), &agnx_ops); |
| 483 | if (!dev) { |
Jiri Slaby | 9c2a610 | 2009-03-26 09:34:07 +0100 | [diff] [blame] | 484 | dev_err(&pdev->dev, "ieee80211 alloc failed\n"); |
Li YanBo | 0f22aab | 2008-10-27 20:32:57 -0700 | [diff] [blame] | 485 | err = -ENOMEM; |
| 486 | goto err_free_reg; |
| 487 | } |
Li YanBo | 0f22aab | 2008-10-27 20:32:57 -0700 | [diff] [blame] | 488 | priv = dev->priv; |
| 489 | memset(priv, 0, sizeof(*priv)); |
| 490 | priv->mode = NL80211_IFTYPE_MONITOR; |
| 491 | priv->pdev = pdev; |
| 492 | priv->hw = dev; |
| 493 | spin_lock_init(&priv->lock); |
| 494 | priv->init_status = AGNX_UNINIT; |
| 495 | |
Jiri Slaby | a505fe7 | 2009-03-26 09:34:08 +0100 | [diff] [blame] | 496 | priv->ctl = pci_iomap(pdev, 0, 0); |
Jiri Slaby | 9c2a610 | 2009-03-26 09:34:07 +0100 | [diff] [blame] | 497 | /* dev_dbg(&pdev->dev, "MEM1 mapped address is 0x%p\n", priv->ctl); */ |
Li YanBo | 0f22aab | 2008-10-27 20:32:57 -0700 | [diff] [blame] | 498 | if (!priv->ctl) { |
Jiri Slaby | 9c2a610 | 2009-03-26 09:34:07 +0100 | [diff] [blame] | 499 | dev_err(&pdev->dev, "can't map device memory\n"); |
Jiri Slaby | 8af6caf | 2009-03-26 09:34:09 +0100 | [diff] [blame] | 500 | err = -ENOMEM; |
Li YanBo | 0f22aab | 2008-10-27 20:32:57 -0700 | [diff] [blame] | 501 | goto err_free_dev; |
| 502 | } |
Jiri Slaby | a505fe7 | 2009-03-26 09:34:08 +0100 | [diff] [blame] | 503 | priv->data = pci_iomap(pdev, 1, 0); |
Li YanBo | 0f22aab | 2008-10-27 20:32:57 -0700 | [diff] [blame] | 504 | if (!priv->data) { |
Jiri Slaby | 9c2a610 | 2009-03-26 09:34:07 +0100 | [diff] [blame] | 505 | dev_err(&pdev->dev, "can't map device memory\n"); |
Jiri Slaby | 8af6caf | 2009-03-26 09:34:09 +0100 | [diff] [blame] | 506 | err = -ENOMEM; |
Li YanBo | 0f22aab | 2008-10-27 20:32:57 -0700 | [diff] [blame] | 507 | goto err_iounmap2; |
| 508 | } |
| 509 | |
| 510 | pci_read_config_byte(pdev, PCI_REVISION_ID, &priv->revid); |
| 511 | |
| 512 | priv->band.channels = (struct ieee80211_channel *)agnx_channels; |
| 513 | priv->band.n_channels = ARRAY_SIZE(agnx_channels); |
| 514 | priv->band.bitrates = (struct ieee80211_rate *)agnx_rates_80211g; |
| 515 | priv->band.n_bitrates = ARRAY_SIZE(agnx_rates_80211g); |
| 516 | |
| 517 | /* Init ieee802.11 dev */ |
| 518 | SET_IEEE80211_DEV(dev, &pdev->dev); |
| 519 | pci_set_drvdata(pdev, dev); |
| 520 | dev->extra_tx_headroom = sizeof(struct agnx_hdr); |
| 521 | |
| 522 | /* FIXME It only include FCS in promious mode but not manage mode */ |
| 523 | /* dev->flags = IEEE80211_HW_RX_INCLUDES_FCS; */ |
| 524 | dev->channel_change_time = 5000; |
| 525 | dev->max_signal = 100; |
| 526 | /* FIXME */ |
| 527 | dev->queues = 1; |
| 528 | |
| 529 | agnx_get_mac_address(priv); |
| 530 | |
| 531 | SET_IEEE80211_PERM_ADDR(dev, priv->mac_addr); |
| 532 | |
| 533 | /* /\* FIXME *\/ */ |
| 534 | /* for (i = 1; i < NUM_DRIVE_MODES; i++) { */ |
| 535 | /* err = ieee80211_register_hwmode(dev, &priv->modes[i]); */ |
| 536 | /* if (err) { */ |
| 537 | /* printk(KERN_ERR PFX "Can't register hwmode\n"); */ |
| 538 | /* goto err_iounmap; */ |
| 539 | /* } */ |
| 540 | /* } */ |
| 541 | |
| 542 | priv->channel = 1; |
| 543 | dev->wiphy->bands[IEEE80211_BAND_2GHZ] = &priv->band; |
| 544 | |
| 545 | err = ieee80211_register_hw(dev); |
| 546 | if (err) { |
Jiri Slaby | 9c2a610 | 2009-03-26 09:34:07 +0100 | [diff] [blame] | 547 | dev_err(&pdev->dev, "can't register hardware\n"); |
Li YanBo | 0f22aab | 2008-10-27 20:32:57 -0700 | [diff] [blame] | 548 | goto err_iounmap; |
| 549 | } |
| 550 | |
| 551 | agnx_hw_reset(priv); |
| 552 | |
Alexander Beregalov | c2c5be8 | 2009-04-11 23:01:21 +0400 | [diff] [blame] | 553 | dev_info(&pdev->dev, "%s: hwaddr %pM, Rev 0x%02x\n", |
Jiri Slaby | 9c2a610 | 2009-03-26 09:34:07 +0100 | [diff] [blame] | 554 | wiphy_name(dev->wiphy), |
Alexander Beregalov | c2c5be8 | 2009-04-11 23:01:21 +0400 | [diff] [blame] | 555 | dev->wiphy->perm_addr, priv->revid); |
Li YanBo | 0f22aab | 2008-10-27 20:32:57 -0700 | [diff] [blame] | 556 | return 0; |
| 557 | |
| 558 | err_iounmap: |
| 559 | pci_iounmap(pdev, priv->data); |
| 560 | |
| 561 | err_iounmap2: |
| 562 | pci_iounmap(pdev, priv->ctl); |
| 563 | |
| 564 | err_free_dev: |
| 565 | pci_set_drvdata(pdev, NULL); |
| 566 | ieee80211_free_hw(dev); |
| 567 | |
| 568 | err_free_reg: |
| 569 | pci_release_regions(pdev); |
| 570 | |
| 571 | pci_disable_device(pdev); |
| 572 | return err; |
| 573 | } /* agnx_pci_probe*/ |
| 574 | |
| 575 | #ifdef CONFIG_PM |
| 576 | |
| 577 | static int agnx_pci_suspend(struct pci_dev *pdev, pm_message_t state) |
| 578 | { |
| 579 | struct ieee80211_hw *dev = pci_get_drvdata(pdev); |
| 580 | AGNX_TRACE; |
| 581 | |
| 582 | ieee80211_stop_queues(dev); |
| 583 | agnx_stop(dev); |
| 584 | |
| 585 | pci_save_state(pdev); |
| 586 | pci_set_power_state(pdev, pci_choose_state(pdev, state)); |
| 587 | return 0; |
| 588 | } |
| 589 | |
| 590 | static int agnx_pci_resume(struct pci_dev *pdev) |
| 591 | { |
| 592 | struct ieee80211_hw *dev = pci_get_drvdata(pdev); |
| 593 | AGNX_TRACE; |
| 594 | |
| 595 | pci_set_power_state(pdev, PCI_D0); |
| 596 | pci_restore_state(pdev); |
| 597 | |
| 598 | agnx_start(dev); |
| 599 | ieee80211_wake_queues(dev); |
| 600 | |
| 601 | return 0; |
| 602 | } |
| 603 | |
| 604 | #else |
| 605 | |
| 606 | #define agnx_pci_suspend NULL |
| 607 | #define agnx_pci_resume NULL |
| 608 | |
| 609 | #endif /* CONFIG_PM */ |
| 610 | |
| 611 | |
| 612 | static struct pci_driver agnx_pci_driver = { |
| 613 | .name = "agnx-pci", |
| 614 | .id_table = agnx_pci_id_tbl, |
| 615 | .probe = agnx_pci_probe, |
| 616 | .remove = __devexit_p(agnx_pci_remove), |
| 617 | .suspend = agnx_pci_suspend, |
| 618 | .resume = agnx_pci_resume, |
| 619 | }; |
| 620 | |
| 621 | static int __init agnx_pci_init(void) |
| 622 | { |
| 623 | AGNX_TRACE; |
| 624 | return pci_register_driver(&agnx_pci_driver); |
| 625 | } |
| 626 | |
| 627 | static void __exit agnx_pci_exit(void) |
| 628 | { |
| 629 | AGNX_TRACE; |
| 630 | pci_unregister_driver(&agnx_pci_driver); |
| 631 | } |
| 632 | |
| 633 | |
| 634 | module_init(agnx_pci_init); |
| 635 | module_exit(agnx_pci_exit); |