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path: root/drivers/staging/agnx/pci.c
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Diffstat (limited to 'drivers/staging/agnx/pci.c')
-rw-r--r--drivers/staging/agnx/pci.c635
1 files changed, 0 insertions, 635 deletions
diff --git a/drivers/staging/agnx/pci.c b/drivers/staging/agnx/pci.c
deleted file mode 100644
index 32b5489456a..00000000000
--- a/drivers/staging/agnx/pci.c
+++ /dev/null
@@ -1,635 +0,0 @@
-/**
- * Airgo MIMO wireless driver
- *
- * Copyright (c) 2007 Li YanBo <dreamfly281@gmail.com>
-
- * Thanks for Jeff Williams <angelbane@gmail.com> do reverse engineer
- * works and published the SPECS at http://airgo.wdwconsulting.net/mymoin
-
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- */
-
-#include <linux/init.h>
-#include <linux/etherdevice.h>
-#include <linux/pci.h>
-#include <linux/delay.h>
-
-#include "agnx.h"
-#include "debug.h"
-#include "xmit.h"
-#include "phy.h"
-
-MODULE_AUTHOR("Li YanBo <dreamfly281@gmail.com>");
-MODULE_DESCRIPTION("Airgo MIMO PCI wireless driver");
-MODULE_LICENSE("GPL");
-
-static struct pci_device_id agnx_pci_id_tbl[] __devinitdata = {
- { PCI_DEVICE(0x17cb, 0x0001) }, /* Beklin F5d8010, Netgear WGM511 etc */
- { PCI_DEVICE(0x17cb, 0x0002) }, /* Netgear Wpnt511 */
- { 0 }
-};
-
-MODULE_DEVICE_TABLE(pci, agnx_pci_id_tbl);
-
-
-static inline void agnx_interrupt_ack(struct agnx_priv *priv, u32 *reason)
-{
- void __iomem *ctl = priv->ctl;
- u32 reg;
-
- if (*reason & AGNX_STAT_RX) {
- /* Mark complete RX */
- reg = ioread32(ctl + AGNX_CIR_RXCTL);
- reg |= 0x4;
- iowrite32(reg, ctl + AGNX_CIR_RXCTL);
- /* disable Rx interrupt */
- }
- if (*reason & AGNX_STAT_TX) {
- reg = ioread32(ctl + AGNX_CIR_TXDCTL);
- if (reg & 0x4) {
- iowrite32(reg, ctl + AGNX_CIR_TXDCTL);
- *reason |= AGNX_STAT_TXD;
- }
- reg = ioread32(ctl + AGNX_CIR_TXMCTL);
- if (reg & 0x4) {
- iowrite32(reg, ctl + AGNX_CIR_TXMCTL);
- *reason |= AGNX_STAT_TXM;
- }
- }
-#if 0
- if (*reason & AGNX_STAT_X) {
- reg = ioread32(ctl + AGNX_INT_STAT);
- iowrite32(reg, ctl + AGNX_INT_STAT);
- /* FIXME reinit interrupt mask */
- reg = 0xc390bf9 & ~IRQ_TX_BEACON;
- reg &= ~IRQ_TX_DISABLE;
- iowrite32(reg, ctl + AGNX_INT_MASK);
- iowrite32(0x800, ctl + AGNX_CIR_BLKCTL);
- }
-#endif
-} /* agnx_interrupt_ack */
-
-static irqreturn_t agnx_interrupt_handler(int irq, void *dev_id)
-{
- struct ieee80211_hw *dev = dev_id;
- struct agnx_priv *priv = dev->priv;
- void __iomem *ctl = priv->ctl;
- irqreturn_t ret = IRQ_NONE;
- u32 irq_reason;
-
- spin_lock(&priv->lock);
-
-/* printk(KERN_ERR PFX "Get a interrupt %s\n", __func__); */
-
- if (priv->init_status != AGNX_START)
- goto out;
-
- /* FiXME Here has no lock, Is this will lead to race? */
- irq_reason = ioread32(ctl + AGNX_CIR_BLKCTL);
- if (!(irq_reason & 0x7))
- goto out;
-
- ret = IRQ_HANDLED;
- priv->irq_status = ioread32(ctl + AGNX_INT_STAT);
-
-/* printk(PFX "Interrupt reason is 0x%x\n", irq_reason); */
- /* Make sure the txm and txd flags don't conflict with other unknown
- interrupt flag, maybe is not necessary */
- irq_reason &= 0xF;
-
- disable_rx_interrupt(priv);
- /* TODO Make sure the card finished initialized */
- agnx_interrupt_ack(priv, &irq_reason);
-
- if (irq_reason & AGNX_STAT_RX)
- handle_rx_irq(priv);
- if (irq_reason & AGNX_STAT_TXD)
- handle_txd_irq(priv);
- if (irq_reason & AGNX_STAT_TXM)
- handle_txm_irq(priv);
- if (irq_reason & AGNX_STAT_X)
- handle_other_irq(priv);
-
- enable_rx_interrupt(priv);
-out:
- spin_unlock(&priv->lock);
- return ret;
-} /* agnx_interrupt_handler */
-
-
-/* FIXME */
-static int agnx_tx(struct ieee80211_hw *dev, struct sk_buff *skb)
-{
- AGNX_TRACE;
- return _agnx_tx(dev->priv, skb);
-} /* agnx_tx */
-
-
-static int agnx_get_mac_address(struct agnx_priv *priv)
-{
- void __iomem *ctl = priv->ctl;
- u32 reg;
- AGNX_TRACE;
-
- /* Attention! directly read the MAC or other date from EEPROM will
- lead to cardbus(WGM511) lock up when write to PM PLL register */
- reg = agnx_read32(ctl, 0x3544);
- udelay(40);
- reg = agnx_read32(ctl, 0x354c);
- udelay(50);
- /* Get the mac address */
- reg = agnx_read32(ctl, 0x3544);
- udelay(40);
-
- /* HACK */
- reg = cpu_to_le32(reg);
- priv->mac_addr[0] = ((u8 *)&reg)[2];
- priv->mac_addr[1] = ((u8 *)&reg)[3];
- reg = agnx_read32(ctl, 0x3548);
- udelay(50);
- *((u32 *)(priv->mac_addr + 2)) = cpu_to_le32(reg);
-
- if (!is_valid_ether_addr(priv->mac_addr)) {
- printk(KERN_WARNING PFX "read mac %pM\n", priv->mac_addr);
- printk(KERN_WARNING PFX "Invalid hwaddr! Using random hwaddr\n");
- random_ether_addr(priv->mac_addr);
- }
-
- return 0;
-} /* agnx_get_mac_address */
-
-static int agnx_alloc_rings(struct agnx_priv *priv)
-{
- unsigned int len;
- AGNX_TRACE;
-
- /* Allocate RX/TXM/TXD rings info */
- priv->rx.size = AGNX_RX_RING_SIZE;
- priv->txm.size = AGNX_TXM_RING_SIZE;
- priv->txd.size = AGNX_TXD_RING_SIZE;
-
- len = priv->rx.size + priv->txm.size + priv->txd.size;
-
-/* priv->rx.info = kzalloc(sizeof(struct agnx_info) * len, GFP_KERNEL); */
- priv->rx.info = kzalloc(sizeof(struct agnx_info) * len, GFP_ATOMIC);
- if (!priv->rx.info)
- return -ENOMEM;
- priv->txm.info = priv->rx.info + priv->rx.size;
- priv->txd.info = priv->txm.info + priv->txm.size;
-
- /* Allocate RX/TXM/TXD descriptors */
- priv->rx.desc = pci_alloc_consistent(priv->pdev, sizeof(struct agnx_desc) * len,
- &priv->rx.dma);
- if (!priv->rx.desc) {
- kfree(priv->rx.info);
- return -ENOMEM;
- }
-
- priv->txm.desc = priv->rx.desc + priv->rx.size;
- priv->txm.dma = priv->rx.dma + sizeof(struct agnx_desc) * priv->rx.size;
- priv->txd.desc = priv->txm.desc + priv->txm.size;
- priv->txd.dma = priv->txm.dma + sizeof(struct agnx_desc) * priv->txm.size;
-
- return 0;
-} /* agnx_alloc_rings */
-
-static void rings_free(struct agnx_priv *priv)
-{
- unsigned int len = priv->rx.size + priv->txm.size + priv->txd.size;
- unsigned long flags;
- AGNX_TRACE;
-
- spin_lock_irqsave(&priv->lock, flags);
- kfree(priv->rx.info);
- pci_free_consistent(priv->pdev, sizeof(struct agnx_desc) * len,
- priv->rx.desc, priv->rx.dma);
- spin_unlock_irqrestore(&priv->lock, flags);
-}
-
-#if 0
-static void agnx_periodic_work_handler(struct work_struct *work)
-{
- struct agnx_priv *priv = container_of(work, struct agnx_priv, periodic_work.work);
-/* unsigned long flags; */
- unsigned long delay;
-
- /* fixme: using mutex?? */
-/* spin_lock_irqsave(&priv->lock, flags); */
-
- /* TODO Recalibrate*/
-/* calibrate_oscillator(priv); */
-/* antenna_calibrate(priv); */
-/* agnx_send_packet(priv, 997); */
- /* FIXME */
-/* if (debug == 3) */
-/* delay = msecs_to_jiffies(AGNX_PERIODIC_DELAY); */
-/* else */
- delay = msecs_to_jiffies(AGNX_PERIODIC_DELAY);
-/* delay = round_jiffies(HZ * 15); */
-
- queue_delayed_work(priv->hw->workqueue, &priv->periodic_work, delay);
-
-/* spin_unlock_irqrestore(&priv->lock, flags); */
-}
-#endif
-
-static int agnx_start(struct ieee80211_hw *dev)
-{
- struct agnx_priv *priv = dev->priv;
- /* unsigned long delay; */
- int err = 0;
- AGNX_TRACE;
-
- err = agnx_alloc_rings(priv);
- if (err) {
- printk(KERN_ERR PFX "Can't alloc RX/TXM/TXD rings\n");
- goto out;
- }
- err = request_irq(priv->pdev->irq, &agnx_interrupt_handler,
- IRQF_SHARED, "agnx_pci", dev);
- if (err) {
- printk(KERN_ERR PFX "Failed to register IRQ handler\n");
- rings_free(priv);
- goto out;
- }
-
-/* mdelay(500); */
-
- might_sleep();
- agnx_hw_init(priv);
-
-/* mdelay(500); */
- might_sleep();
-
- priv->init_status = AGNX_START;
-/* INIT_DELAYED_WORK(&priv->periodic_work, agnx_periodic_work_handler); */
-/* delay = msecs_to_jiffies(AGNX_PERIODIC_DELAY); */
-/* queue_delayed_work(priv->hw->workqueue, &priv->periodic_work, delay); */
-out:
- return err;
-} /* agnx_start */
-
-static void agnx_stop(struct ieee80211_hw *dev)
-{
- struct agnx_priv *priv = dev->priv;
- AGNX_TRACE;
-
- priv->init_status = AGNX_STOP;
- /* make sure hardware will not generate irq */
- agnx_hw_reset(priv);
- free_irq(priv->pdev->irq, dev);
-/* flush_workqueue(priv->hw->workqueue); */
-/* cancel_delayed_work_sync(&priv->periodic_work); */
- unfill_rings(priv);
- rings_free(priv);
-}
-
-static int agnx_config(struct ieee80211_hw *dev, u32 changed)
-{
- struct agnx_priv *priv = dev->priv;
- struct ieee80211_conf *conf = &dev->conf;
- int channel = ieee80211_frequency_to_channel(conf->channel->center_freq);
- AGNX_TRACE;
-
- spin_lock(&priv->lock);
- /* FIXME need priv lock? */
- if (channel != priv->channel) {
- priv->channel = channel;
- agnx_set_channel(priv, priv->channel);
- }
-
- spin_unlock(&priv->lock);
- return 0;
-}
-
-static void agnx_bss_info_changed(struct ieee80211_hw *dev,
- struct ieee80211_vif *vif,
- struct ieee80211_bss_conf *conf,
- u32 changed)
-{
- struct agnx_priv *priv = dev->priv;
- void __iomem *ctl = priv->ctl;
- AGNX_TRACE;
-
- if (!(changed & BSS_CHANGED_BSSID))
- return;
-
- spin_lock(&priv->lock);
-
- if (memcmp(conf->bssid, priv->bssid, ETH_ALEN)) {
- agnx_set_bssid(priv, conf->bssid);
- memcpy(priv->bssid, conf->bssid, ETH_ALEN);
- hash_write(priv, conf->bssid, BSSID_STAID);
- sta_init(priv, BSSID_STAID);
- /* FIXME needed? */
- sta_power_init(priv, BSSID_STAID);
- agnx_write32(ctl, AGNX_BM_MTSM, 0xff & ~0x1);
- }
- spin_unlock(&priv->lock);
-} /* agnx_bss_info_changed */
-
-
-static void agnx_configure_filter(struct ieee80211_hw *dev,
- unsigned int changed_flags,
- unsigned int *total_flags,
- int mc_count, struct dev_mc_list *mclist)
-{
- unsigned int new_flags = 0;
-
- *total_flags = new_flags;
- /* TODO */
-}
-
-static int agnx_add_interface(struct ieee80211_hw *dev,
- struct ieee80211_if_init_conf *conf)
-{
- struct agnx_priv *priv = dev->priv;
- AGNX_TRACE;
-
- spin_lock(&priv->lock);
- /* FIXME */
- if (priv->mode != NL80211_IFTYPE_MONITOR)
- return -EOPNOTSUPP;
-
- switch (conf->type) {
- case NL80211_IFTYPE_STATION:
- priv->mode = conf->type;
- break;
- default:
- return -EOPNOTSUPP;
- }
-
- spin_unlock(&priv->lock);
-
- return 0;
-}
-
-static void agnx_remove_interface(struct ieee80211_hw *dev,
- struct ieee80211_if_init_conf *conf)
-{
- struct agnx_priv *priv = dev->priv;
- AGNX_TRACE;
-
- /* TODO */
- priv->mode = NL80211_IFTYPE_MONITOR;
-}
-
-static int agnx_get_stats(struct ieee80211_hw *dev,
- struct ieee80211_low_level_stats *stats)
-{
- struct agnx_priv *priv = dev->priv;
- AGNX_TRACE;
- spin_lock(&priv->lock);
- /* TODO !! */
- memcpy(stats, &priv->stats, sizeof(*stats));
- spin_unlock(&priv->lock);
-
- return 0;
-}
-
-static u64 agnx_get_tsft(struct ieee80211_hw *dev)
-{
- void __iomem *ctl = ((struct agnx_priv *)dev->priv)->ctl;
- u32 tsftl;
- u64 tsft;
- AGNX_TRACE;
-
- /* FIXME */
- tsftl = ioread32(ctl + AGNX_TXM_TIMESTAMPLO);
- tsft = ioread32(ctl + AGNX_TXM_TIMESTAMPHI);
- tsft <<= 32;
- tsft |= tsftl;
-
- return tsft;
-}
-
-static int agnx_get_tx_stats(struct ieee80211_hw *dev,
- struct ieee80211_tx_queue_stats *stats)
-{
- struct agnx_priv *priv = dev->priv;
- AGNX_TRACE;
-
- /* FIXME now we just using txd queue, but should using txm queue too */
- stats[0].len = (priv->txd.idx - priv->txd.idx_sent) / 2;
- stats[0].limit = priv->txd.size - 2;
- stats[0].count = priv->txd.idx / 2;
-
- return 0;
-}
-
-static struct ieee80211_ops agnx_ops = {
- .tx = agnx_tx,
- .start = agnx_start,
- .stop = agnx_stop,
- .add_interface = agnx_add_interface,
- .remove_interface = agnx_remove_interface,
- .config = agnx_config,
- .bss_info_changed = agnx_bss_info_changed,
- .configure_filter = agnx_configure_filter,
- .get_stats = agnx_get_stats,
- .get_tx_stats = agnx_get_tx_stats,
- .get_tsf = agnx_get_tsft
-};
-
-static void __devexit agnx_pci_remove(struct pci_dev *pdev)
-{
- struct ieee80211_hw *dev = pci_get_drvdata(pdev);
- struct agnx_priv *priv;
- AGNX_TRACE;
-
- if (!dev)
- return;
- priv = dev->priv;
- ieee80211_unregister_hw(dev);
- pci_iounmap(pdev, priv->ctl);
- pci_iounmap(pdev, priv->data);
- pci_release_regions(pdev);
- pci_disable_device(pdev);
-
- ieee80211_free_hw(dev);
-}
-
-static int __devinit agnx_pci_probe(struct pci_dev *pdev,
- const struct pci_device_id *id)
-{
- struct ieee80211_hw *dev;
- struct agnx_priv *priv;
- int err;
-
- err = pci_enable_device(pdev);
- if (err) {
- dev_err(&pdev->dev, "can't enable pci device\n");
- return err;
- }
-
- err = pci_request_regions(pdev, "agnx-pci");
- if (err) {
- dev_err(&pdev->dev, "can't reserve PCI resources\n");
- return err;
- }
-
- if (pci_set_dma_mask(pdev, DMA_BIT_MASK(32)) ||
- pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32))) {
- dev_err(&pdev->dev, "no suitable DMA available\n");
- err = -EIO;
- goto err_free_reg;
- }
-
- pci_set_master(pdev);
-
- dev = ieee80211_alloc_hw(sizeof(*priv), &agnx_ops);
- if (!dev) {
- dev_err(&pdev->dev, "ieee80211 alloc failed\n");
- err = -ENOMEM;
- goto err_free_reg;
- }
- priv = dev->priv;
- memset(priv, 0, sizeof(*priv));
- priv->mode = NL80211_IFTYPE_MONITOR;
- priv->pdev = pdev;
- priv->hw = dev;
- spin_lock_init(&priv->lock);
- priv->init_status = AGNX_UNINIT;
-
- priv->ctl = pci_iomap(pdev, 0, 0);
-/* dev_dbg(&pdev->dev, "MEM1 mapped address is 0x%p\n", priv->ctl); */
- if (!priv->ctl) {
- dev_err(&pdev->dev, "can't map device memory\n");
- err = -ENOMEM;
- goto err_free_dev;
- }
- priv->data = pci_iomap(pdev, 1, 0);
- if (!priv->data) {
- dev_err(&pdev->dev, "can't map device memory\n");
- err = -ENOMEM;
- goto err_iounmap2;
- }
-
- pci_read_config_byte(pdev, PCI_REVISION_ID, &priv->revid);
-
- priv->band.channels = (struct ieee80211_channel *)agnx_channels;
- priv->band.n_channels = ARRAY_SIZE(agnx_channels);
- priv->band.bitrates = (struct ieee80211_rate *)agnx_rates_80211g;
- priv->band.n_bitrates = ARRAY_SIZE(agnx_rates_80211g);
-
- /* Init ieee802.11 dev */
- SET_IEEE80211_DEV(dev, &pdev->dev);
- pci_set_drvdata(pdev, dev);
- dev->extra_tx_headroom = sizeof(struct agnx_hdr);
-
- /* FIXME It only include FCS in promious mode but not manage mode */
-/* dev->flags = IEEE80211_HW_RX_INCLUDES_FCS; */
- dev->channel_change_time = 5000;
- dev->max_signal = 100;
- /* FIXME */
- dev->queues = 1;
-
- agnx_get_mac_address(priv);
-
- SET_IEEE80211_PERM_ADDR(dev, priv->mac_addr);
-
-/* /\* FIXME *\/ */
-/* for (i = 1; i < NUM_DRIVE_MODES; i++) { */
-/* err = ieee80211_register_hwmode(dev, &priv->modes[i]); */
-/* if (err) { */
-/* printk(KERN_ERR PFX "Can't register hwmode\n"); */
-/* goto err_iounmap; */
-/* } */
-/* } */
-
- priv->channel = 1;
- dev->wiphy->bands[IEEE80211_BAND_2GHZ] = &priv->band;
-
- err = ieee80211_register_hw(dev);
- if (err) {
- dev_err(&pdev->dev, "can't register hardware\n");
- goto err_iounmap;
- }
-
- agnx_hw_reset(priv);
-
- dev_info(&pdev->dev, "%s: hwaddr %pM, Rev 0x%02x\n",
- wiphy_name(dev->wiphy),
- dev->wiphy->perm_addr, priv->revid);
- return 0;
-
- err_iounmap:
- pci_iounmap(pdev, priv->data);
-
- err_iounmap2:
- pci_iounmap(pdev, priv->ctl);
-
- err_free_dev:
- pci_set_drvdata(pdev, NULL);
- ieee80211_free_hw(dev);
-
- err_free_reg:
- pci_release_regions(pdev);
-
- pci_disable_device(pdev);
- return err;
-} /* agnx_pci_probe*/
-
-#ifdef CONFIG_PM
-
-static int agnx_pci_suspend(struct pci_dev *pdev, pm_message_t state)
-{
- struct ieee80211_hw *dev = pci_get_drvdata(pdev);
- AGNX_TRACE;
-
- ieee80211_stop_queues(dev);
- agnx_stop(dev);
-
- pci_save_state(pdev);
- pci_set_power_state(pdev, pci_choose_state(pdev, state));
- return 0;
-}
-
-static int agnx_pci_resume(struct pci_dev *pdev)
-{
- struct ieee80211_hw *dev = pci_get_drvdata(pdev);
- AGNX_TRACE;
-
- pci_set_power_state(pdev, PCI_D0);
- pci_restore_state(pdev);
-
- agnx_start(dev);
- ieee80211_wake_queues(dev);
-
- return 0;
-}
-
-#else
-
-#define agnx_pci_suspend NULL
-#define agnx_pci_resume NULL
-
-#endif /* CONFIG_PM */
-
-
-static struct pci_driver agnx_pci_driver = {
- .name = "agnx-pci",
- .id_table = agnx_pci_id_tbl,
- .probe = agnx_pci_probe,
- .remove = __devexit_p(agnx_pci_remove),
- .suspend = agnx_pci_suspend,
- .resume = agnx_pci_resume,
-};
-
-static int __init agnx_pci_init(void)
-{
- AGNX_TRACE;
- return pci_register_driver(&agnx_pci_driver);
-}
-
-static void __exit agnx_pci_exit(void)
-{
- AGNX_TRACE;
- pci_unregister_driver(&agnx_pci_driver);
-}
-
-
-module_init(agnx_pci_init);
-module_exit(agnx_pci_exit);