diff options
Diffstat (limited to 'drivers/net/wireless/rt2x00/rt2x00pci.c')
| -rw-r--r-- | drivers/net/wireless/rt2x00/rt2x00pci.c | 221 |
1 files changed, 0 insertions, 221 deletions
diff --git a/drivers/net/wireless/rt2x00/rt2x00pci.c b/drivers/net/wireless/rt2x00/rt2x00pci.c deleted file mode 100644 index d93db4b0371b..000000000000 --- a/drivers/net/wireless/rt2x00/rt2x00pci.c +++ /dev/null @@ -1,221 +0,0 @@ -/* - Copyright (C) 2004 - 2009 Ivo van Doorn <IvDoorn@gmail.com> - <http://rt2x00.serialmonkey.com> - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2 of the License, or - (at your option) any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, see <http://www.gnu.org/licenses/>. - */ - -/* - Module: rt2x00pci - Abstract: rt2x00 generic pci device routines. - */ - -#include <linux/dma-mapping.h> -#include <linux/kernel.h> -#include <linux/module.h> -#include <linux/pci.h> -#include <linux/slab.h> - -#include "rt2x00.h" -#include "rt2x00pci.h" - -/* - * PCI driver handlers. - */ -static void rt2x00pci_free_reg(struct rt2x00_dev *rt2x00dev) -{ - kfree(rt2x00dev->rf); - rt2x00dev->rf = NULL; - - kfree(rt2x00dev->eeprom); - rt2x00dev->eeprom = NULL; - - if (rt2x00dev->csr.base) { - iounmap(rt2x00dev->csr.base); - rt2x00dev->csr.base = NULL; - } -} - -static int rt2x00pci_alloc_reg(struct rt2x00_dev *rt2x00dev) -{ - struct pci_dev *pci_dev = to_pci_dev(rt2x00dev->dev); - - rt2x00dev->csr.base = pci_ioremap_bar(pci_dev, 0); - if (!rt2x00dev->csr.base) - goto exit; - - rt2x00dev->eeprom = kzalloc(rt2x00dev->ops->eeprom_size, GFP_KERNEL); - if (!rt2x00dev->eeprom) - goto exit; - - rt2x00dev->rf = kzalloc(rt2x00dev->ops->rf_size, GFP_KERNEL); - if (!rt2x00dev->rf) - goto exit; - - return 0; - -exit: - rt2x00_probe_err("Failed to allocate registers\n"); - - rt2x00pci_free_reg(rt2x00dev); - - return -ENOMEM; -} - -int rt2x00pci_probe(struct pci_dev *pci_dev, const struct rt2x00_ops *ops) -{ - struct ieee80211_hw *hw; - struct rt2x00_dev *rt2x00dev; - int retval; - u16 chip; - - retval = pci_enable_device(pci_dev); - if (retval) { - rt2x00_probe_err("Enable device failed\n"); - return retval; - } - - retval = pci_request_regions(pci_dev, pci_name(pci_dev)); - if (retval) { - rt2x00_probe_err("PCI request regions failed\n"); - goto exit_disable_device; - } - - pci_set_master(pci_dev); - - if (pci_set_mwi(pci_dev)) - rt2x00_probe_err("MWI not available\n"); - - if (dma_set_mask(&pci_dev->dev, DMA_BIT_MASK(32))) { - rt2x00_probe_err("PCI DMA not supported\n"); - retval = -EIO; - goto exit_release_regions; - } - - hw = ieee80211_alloc_hw(sizeof(struct rt2x00_dev), ops->hw); - if (!hw) { - rt2x00_probe_err("Failed to allocate hardware\n"); - retval = -ENOMEM; - goto exit_release_regions; - } - - pci_set_drvdata(pci_dev, hw); - - rt2x00dev = hw->priv; - rt2x00dev->dev = &pci_dev->dev; - rt2x00dev->ops = ops; - rt2x00dev->hw = hw; - rt2x00dev->irq = pci_dev->irq; - rt2x00dev->name = ops->name; - - if (pci_is_pcie(pci_dev)) - rt2x00_set_chip_intf(rt2x00dev, RT2X00_CHIP_INTF_PCIE); - else - rt2x00_set_chip_intf(rt2x00dev, RT2X00_CHIP_INTF_PCI); - - retval = rt2x00pci_alloc_reg(rt2x00dev); - if (retval) - goto exit_free_device; - - /* - * Because rt3290 chip use different efuse offset to read efuse data. - * So before read efuse it need to indicate it is the - * rt3290 or not. - */ - pci_read_config_word(pci_dev, PCI_DEVICE_ID, &chip); - rt2x00dev->chip.rt = chip; - - retval = rt2x00lib_probe_dev(rt2x00dev); - if (retval) - goto exit_free_reg; - - return 0; - -exit_free_reg: - rt2x00pci_free_reg(rt2x00dev); - -exit_free_device: - ieee80211_free_hw(hw); - -exit_release_regions: - pci_release_regions(pci_dev); - -exit_disable_device: - pci_disable_device(pci_dev); - - return retval; -} -EXPORT_SYMBOL_GPL(rt2x00pci_probe); - -void rt2x00pci_remove(struct pci_dev *pci_dev) -{ - struct ieee80211_hw *hw = pci_get_drvdata(pci_dev); - struct rt2x00_dev *rt2x00dev = hw->priv; - - /* - * Free all allocated data. - */ - rt2x00lib_remove_dev(rt2x00dev); - rt2x00pci_free_reg(rt2x00dev); - ieee80211_free_hw(hw); - - /* - * Free the PCI device data. - */ - pci_disable_device(pci_dev); - pci_release_regions(pci_dev); -} -EXPORT_SYMBOL_GPL(rt2x00pci_remove); - -#ifdef CONFIG_PM -int rt2x00pci_suspend(struct pci_dev *pci_dev, pm_message_t state) -{ - struct ieee80211_hw *hw = pci_get_drvdata(pci_dev); - struct rt2x00_dev *rt2x00dev = hw->priv; - int retval; - - retval = rt2x00lib_suspend(rt2x00dev, state); - if (retval) - return retval; - - pci_save_state(pci_dev); - pci_disable_device(pci_dev); - return pci_set_power_state(pci_dev, pci_choose_state(pci_dev, state)); -} -EXPORT_SYMBOL_GPL(rt2x00pci_suspend); - -int rt2x00pci_resume(struct pci_dev *pci_dev) -{ - struct ieee80211_hw *hw = pci_get_drvdata(pci_dev); - struct rt2x00_dev *rt2x00dev = hw->priv; - - if (pci_set_power_state(pci_dev, PCI_D0) || - pci_enable_device(pci_dev)) { - rt2x00_err(rt2x00dev, "Failed to resume device\n"); - return -EIO; - } - - pci_restore_state(pci_dev); - return rt2x00lib_resume(rt2x00dev); -} -EXPORT_SYMBOL_GPL(rt2x00pci_resume); -#endif /* CONFIG_PM */ - -/* - * rt2x00pci module information. - */ -MODULE_AUTHOR(DRV_PROJECT); -MODULE_VERSION(DRV_VERSION); -MODULE_DESCRIPTION("rt2x00 pci library"); -MODULE_LICENSE("GPL"); |