rt2x00pci.h

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/*
    Copyright (C) 2004 - 2009 Ivo van Doorn <[email protected]>
    <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, write to the
    Free Software Foundation, Inc.,
    59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
 */

/*
    Module: rt2x00pci
    Abstract: Data structures for the rt2x00pci module.
 */

#ifndef RT2X00PCI_H
#define RT2X00PCI_H

#include <linux/io.h>
#include <linux/pci.h>

/*
 * This variable should be used with the
 * pci_driver structure initialization.
 */
#define PCI_DEVICE_DATA(__ops)  .driver_data = (kernel_ulong_t)(__ops)

/*
 * Register access.
 */
static inline void rt2x00pci_register_read(struct rt2x00_dev *rt2x00dev,
                       const unsigned int offset,
                       u32 *value)
{
    *value = readl(rt2x00dev->csr.base + offset);
}

static inline void rt2x00pci_register_multiread(struct rt2x00_dev *rt2x00dev,
                        const unsigned int offset,
                        void *value, const u32 length)
{
    memcpy_fromio(value, rt2x00dev->csr.base + offset, length);
}

static inline void rt2x00pci_register_write(struct rt2x00_dev *rt2x00dev,
                        const unsigned int offset,
                        u32 value)
{
    writel(value, rt2x00dev->csr.base + offset);
}

static inline void rt2x00pci_register_multiwrite(struct rt2x00_dev *rt2x00dev,
                         const unsigned int offset,
                         const void *value,
                         const u32 length)
{
    __iowrite32_copy(rt2x00dev->csr.base + offset, value, length >> 2);
}

int rt2x00pci_regbusy_read(struct rt2x00_dev *rt2x00dev,
               const unsigned int offset,
               const struct rt2x00_field32 field,
               u32 *reg);

struct queue_entry_priv_pci {
    __le32 *desc;
    dma_addr_t desc_dma;
};

bool rt2x00pci_rxdone(struct rt2x00_dev *rt2x00dev);

void rt2x00pci_flush_queue(struct data_queue *queue, bool drop);

/*
 * Device initialization handlers.
 */
int rt2x00pci_initialize(struct rt2x00_dev *rt2x00dev);
void rt2x00pci_uninitialize(struct rt2x00_dev *rt2x00dev);

/*
 * PCI driver handlers.
 */
int rt2x00pci_probe(struct pci_dev *pci_dev, const struct rt2x00_ops *ops);
void rt2x00pci_remove(struct pci_dev *pci_dev);
#ifdef CONFIG_PM
int rt2x00pci_suspend(struct pci_dev *pci_dev, pm_message_t state);
int rt2x00pci_resume(struct pci_dev *pci_dev);
#else
#define rt2x00pci_suspend   NULL
#define rt2x00pci_resume    NULL
#endif /* CONFIG_PM */

#endif /* RT2X00PCI_H */