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path: root/drivers/net/wireless/ath9k/pci.c
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Diffstat (limited to 'drivers/net/wireless/ath9k/pci.c')
-rw-r--r--drivers/net/wireless/ath9k/pci.c295
1 files changed, 0 insertions, 295 deletions
diff --git a/drivers/net/wireless/ath9k/pci.c b/drivers/net/wireless/ath9k/pci.c
deleted file mode 100644
index 168411d322a2..000000000000
--- a/drivers/net/wireless/ath9k/pci.c
+++ /dev/null
@@ -1,295 +0,0 @@
-/*
- * Copyright (c) 2008-2009 Atheros Communications Inc.
- *
- * Permission to use, copy, modify, and/or distribute this software for any
- * purpose with or without fee is hereby granted, provided that the above
- * copyright notice and this permission notice appear in all copies.
- *
- * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
- * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
- * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
- * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
- * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
- * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
- */
-
-#include <linux/nl80211.h>
-#include <linux/pci.h>
-#include "ath9k.h"
-
-static struct pci_device_id ath_pci_id_table[] __devinitdata = {
- { PCI_VDEVICE(ATHEROS, 0x0023) }, /* PCI */
- { PCI_VDEVICE(ATHEROS, 0x0024) }, /* PCI-E */
- { PCI_VDEVICE(ATHEROS, 0x0027) }, /* PCI */
- { PCI_VDEVICE(ATHEROS, 0x0029) }, /* PCI */
- { PCI_VDEVICE(ATHEROS, 0x002A) }, /* PCI-E */
- { PCI_VDEVICE(ATHEROS, 0x002B) }, /* PCI-E */
- { 0 }
-};
-
-/* return bus cachesize in 4B word units */
-static void ath_pci_read_cachesize(struct ath_softc *sc, int *csz)
-{
- u8 u8tmp;
-
- pci_read_config_byte(to_pci_dev(sc->dev), PCI_CACHE_LINE_SIZE,
- (u8 *)&u8tmp);
- *csz = (int)u8tmp;
-
- /*
- * This check was put in to avoid "unplesant" consequences if
- * the bootrom has not fully initialized all PCI devices.
- * Sometimes the cache line size register is not set
- */
-
- if (*csz == 0)
- *csz = DEFAULT_CACHELINE >> 2; /* Use the default size */
-}
-
-static void ath_pci_cleanup(struct ath_softc *sc)
-{
- struct pci_dev *pdev = to_pci_dev(sc->dev);
-
- pci_iounmap(pdev, sc->mem);
- pci_disable_device(pdev);
- pci_release_region(pdev, 0);
-}
-
-static bool ath_pci_eeprom_read(struct ath_hw *ah, u32 off, u16 *data)
-{
- (void)REG_READ(ah, AR5416_EEPROM_OFFSET + (off << AR5416_EEPROM_S));
-
- if (!ath9k_hw_wait(ah,
- AR_EEPROM_STATUS_DATA,
- AR_EEPROM_STATUS_DATA_BUSY |
- AR_EEPROM_STATUS_DATA_PROT_ACCESS, 0,
- AH_WAIT_TIMEOUT)) {
- return false;
- }
-
- *data = MS(REG_READ(ah, AR_EEPROM_STATUS_DATA),
- AR_EEPROM_STATUS_DATA_VAL);
-
- return true;
-}
-
-static struct ath_bus_ops ath_pci_bus_ops = {
- .read_cachesize = ath_pci_read_cachesize,
- .cleanup = ath_pci_cleanup,
- .eeprom_read = ath_pci_eeprom_read,
-};
-
-static int ath_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id)
-{
- void __iomem *mem;
- struct ath_wiphy *aphy;
- struct ath_softc *sc;
- struct ieee80211_hw *hw;
- u8 csz;
- int ret = 0;
- struct ath_hw *ah;
-
- if (pci_enable_device(pdev))
- return -EIO;
-
- ret = pci_set_dma_mask(pdev, DMA_BIT_MASK(32));
-
- if (ret) {
- printk(KERN_ERR "ath9k: 32-bit DMA not available\n");
- goto bad;
- }
-
- ret = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32));
-
- if (ret) {
- printk(KERN_ERR "ath9k: 32-bit DMA consistent "
- "DMA enable failed\n");
- goto bad;
- }
-
- /*
- * Cache line size is used to size and align various
- * structures used to communicate with the hardware.
- */
- pci_read_config_byte(pdev, PCI_CACHE_LINE_SIZE, &csz);
- if (csz == 0) {
- /*
- * Linux 2.4.18 (at least) writes the cache line size
- * register as a 16-bit wide register which is wrong.
- * We must have this setup properly for rx buffer
- * DMA to work so force a reasonable value here if it
- * comes up zero.
- */
- csz = L1_CACHE_BYTES / sizeof(u32);
- pci_write_config_byte(pdev, PCI_CACHE_LINE_SIZE, csz);
- }
- /*
- * The default setting of latency timer yields poor results,
- * set it to the value used by other systems. It may be worth
- * tweaking this setting more.
- */
- pci_write_config_byte(pdev, PCI_LATENCY_TIMER, 0xa8);
-
- pci_set_master(pdev);
-
- ret = pci_request_region(pdev, 0, "ath9k");
- if (ret) {
- dev_err(&pdev->dev, "PCI memory region reserve error\n");
- ret = -ENODEV;
- goto bad;
- }
-
- mem = pci_iomap(pdev, 0, 0);
- if (!mem) {
- printk(KERN_ERR "PCI memory map error\n") ;
- ret = -EIO;
- goto bad1;
- }
-
- hw = ieee80211_alloc_hw(sizeof(struct ath_wiphy) +
- sizeof(struct ath_softc), &ath9k_ops);
- if (hw == NULL) {
- printk(KERN_ERR "ath_pci: no memory for ieee80211_hw\n");
- goto bad2;
- }
-
- SET_IEEE80211_DEV(hw, &pdev->dev);
- pci_set_drvdata(pdev, hw);
-
- aphy = hw->priv;
- sc = (struct ath_softc *) (aphy + 1);
- aphy->sc = sc;
- aphy->hw = hw;
- sc->pri_wiphy = aphy;
- sc->hw = hw;
- sc->dev = &pdev->dev;
- sc->mem = mem;
- sc->bus_ops = &ath_pci_bus_ops;
-
- if (ath_attach(id->device, sc) != 0) {
- ret = -ENODEV;
- goto bad3;
- }
-
- /* setup interrupt service routine */
-
- if (request_irq(pdev->irq, ath_isr, IRQF_SHARED, "ath", sc)) {
- printk(KERN_ERR "%s: request_irq failed\n",
- wiphy_name(hw->wiphy));
- ret = -EIO;
- goto bad4;
- }
-
- sc->irq = pdev->irq;
-
- ah = sc->sc_ah;
- printk(KERN_INFO
- "%s: Atheros AR%s MAC/BB Rev:%x "
- "AR%s RF Rev:%x: mem=0x%lx, irq=%d\n",
- wiphy_name(hw->wiphy),
- ath_mac_bb_name(ah->hw_version.macVersion),
- ah->hw_version.macRev,
- ath_rf_name((ah->hw_version.analog5GhzRev & AR_RADIO_SREV_MAJOR)),
- ah->hw_version.phyRev,
- (unsigned long)mem, pdev->irq);
-
- return 0;
-bad4:
- ath_detach(sc);
-bad3:
- ieee80211_free_hw(hw);
-bad2:
- pci_iounmap(pdev, mem);
-bad1:
- pci_release_region(pdev, 0);
-bad:
- pci_disable_device(pdev);
- return ret;
-}
-
-static void ath_pci_remove(struct pci_dev *pdev)
-{
- struct ieee80211_hw *hw = pci_get_drvdata(pdev);
- struct ath_wiphy *aphy = hw->priv;
- struct ath_softc *sc = aphy->sc;
-
- ath_cleanup(sc);
-}
-
-#ifdef CONFIG_PM
-
-static int ath_pci_suspend(struct pci_dev *pdev, pm_message_t state)
-{
- struct ieee80211_hw *hw = pci_get_drvdata(pdev);
- struct ath_wiphy *aphy = hw->priv;
- struct ath_softc *sc = aphy->sc;
-
- ath9k_hw_set_gpio(sc->sc_ah, ATH_LED_PIN, 1);
-
-#if defined(CONFIG_RFKILL) || defined(CONFIG_RFKILL_MODULE)
- if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_RFSILENT)
- cancel_delayed_work_sync(&sc->rf_kill.rfkill_poll);
-#endif
-
- pci_save_state(pdev);
- pci_disable_device(pdev);
- pci_set_power_state(pdev, PCI_D3hot);
-
- return 0;
-}
-
-static int ath_pci_resume(struct pci_dev *pdev)
-{
- struct ieee80211_hw *hw = pci_get_drvdata(pdev);
- struct ath_wiphy *aphy = hw->priv;
- struct ath_softc *sc = aphy->sc;
- int err;
-
- err = pci_enable_device(pdev);
- if (err)
- return err;
- pci_restore_state(pdev);
-
- /* Enable LED */
- ath9k_hw_cfg_output(sc->sc_ah, ATH_LED_PIN,
- AR_GPIO_OUTPUT_MUX_AS_OUTPUT);
- ath9k_hw_set_gpio(sc->sc_ah, ATH_LED_PIN, 1);
-
-#if defined(CONFIG_RFKILL) || defined(CONFIG_RFKILL_MODULE)
- /*
- * check the h/w rfkill state on resume
- * and start the rfkill poll timer
- */
- if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_RFSILENT)
- queue_delayed_work(sc->hw->workqueue,
- &sc->rf_kill.rfkill_poll, 0);
-#endif
-
- return 0;
-}
-
-#endif /* CONFIG_PM */
-
-MODULE_DEVICE_TABLE(pci, ath_pci_id_table);
-
-static struct pci_driver ath_pci_driver = {
- .name = "ath9k",
- .id_table = ath_pci_id_table,
- .probe = ath_pci_probe,
- .remove = ath_pci_remove,
-#ifdef CONFIG_PM
- .suspend = ath_pci_suspend,
- .resume = ath_pci_resume,
-#endif /* CONFIG_PM */
-};
-
-int ath_pci_init(void)
-{
- return pci_register_driver(&ath_pci_driver);
-}
-
-void ath_pci_exit(void)
-{
- pci_unregister_driver(&ath_pci_driver);
-}
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