LCOM1920-T02G10

#ifndef _DDEKIT_PCI_H

#define _DDEKIT_PCI_H

#include <ddekit/ddekit.h>

#include <ddekit/types.h>

/** \defgroup DDEKit_pci */

/** Our version of PCI_ANY_ID */

#define DDEKIT_PCI_ANY_ID    (~0)

/** Copy of L4IO_PCIDEV_RES */

#define DDEKIT_PCIDEV_RES         12

struct ddekit_pci_dev;

/** PCI resource descriptor. Copied from generic_io.

 *

 * XXX!

 */

typedef struct ddekit_pci_resource {

        unsigned long start;

        unsigned long end;

        unsigned long flags;

} ddekit_pci_res_t;

void ddekit_pci_init(void);

int ddekit_pci_get_device(int nr, int *bus, int *slot, int *func);

int ddekit_pci_read(int bus, int slot, int func, int pos, int len,

        ddekit_uint32_t *val);

int ddekit_pci_write(int bus, int slot, int func, int pos, int len,

        ddekit_uint32_t val);

/** Read byte from PCI config space.

 *

 * \ingroup DDEKit_pci

 *

 * \param bus      bus ID

 * \param slot     slot #

 * \param func     function #

 * \param pos      offset in config space

 * \retval val     read value

 *

 * \return 0       success

 */

int ddekit_pci_readb(int bus, int slot, int func, int pos,

        ddekit_uint8_t *val);

/** Read word from PCI config space.

 *

 * \ingroup DDEKit_pci

 *

 * \param bus      bus ID

 * \param slot     slot #

 * \param func     function #

 * \param pos      offset in config space

 * \retval val     read value

 *

 * \return 0       success

 */

int ddekit_pci_readw(int bus, int slot, int func, int pos,

        ddekit_uint16_t *val);

/** Read dword from PCI config space.

 *

 * \ingroup DDEKit_pci

 *

 * \param bus      bus ID

 * \param slot     slot #

 * \param func     function #

 * \param pos      offset in config space

 * \retval val     read value

 *

 * \return 0       success

 */

int ddekit_pci_readl(int bus, int slot, int func, int pos,

        ddekit_uint32_t *val);

/** Write byte to PCI config space.

 *

 * \ingroup DDEKit_pci

 *

 * \param bus      bus ID

 * \param slot     slot #

 * \param func     function #

 * \param pos      offset in config space

 * \retval val     value to write

 *

 * \return 0       success

 */

int ddekit_pci_writeb(int bus, int slot, int func, int pos,

        ddekit_uint8_t val);

/** Write word to PCI config space.

 *

 * \ingroup DDEKit_pci

 *

 * \param bus      bus ID

 * \param slot     slot #

 * \param func     function #

 * \param pos      offset in config space

 * \retval val     value to write

 *

 * \return 0       success

 */

int ddekit_pci_writew(int bus, int slot, int func, int pos,

        ddekit_uint16_t val);

/** Write word to PCI config space.

 *

 * \ingroup DDEKit_pci

 *

 * \param bus      bus ID

 * \param slot     slot #

 * \param func     function #

 * \param pos      offset in config space

 * \retval val     value to write

 *

 * \return 0       success

 */

int ddekit_pci_writel(int bus, int slot, int func, int pos,

        ddekit_uint32_t val);

/** Find a PCI device.

 *

 * \ingroup DDEKit_pci

 *

 * \param bus        pointer to bus number or \ref DDEKIT_PCI_ANY_ID

 * \param slot  pointer to slot number (devfn >> DEVFN_SLOTSHIFT) or \ref DDEKIT_PCI_ANY_ID

 * \param func  pointer to func number (devfc & DEVFN_FUNCMASK) or \ref DDEKIT_PCI_ANY_ID

 * \param start search device list only behind this device (excluding it!), NULL

 *              searches whole device list

 *

 * \retval bus      bus number

 * \retval slot     slot number

 * \retval func     function number

 *

 * \return device   a valid PCI device

 * \return NULL     if no device found

 */

struct ddekit_pci_dev * ddekit_pci_find_device(int *bus, int *slot, int

        *func, struct ddekit_pci_dev *start);

/** Enable PCI device

 * \ingroup DDEKit_pci

 */

int ddekit_pci_enable_device(struct ddekit_pci_dev *dev);

/** Disable PCI device

 * \ingroup DDEKit_pci

 */

int ddekit_pci_disable_device(struct ddekit_pci_dev *dev);

/** Enable bus-mastering for device.

 * \ingroup DDEKit_pci

 */

void ddekit_pci_set_master(struct ddekit_pci_dev *dev);

/** Get device vendor ID.

 * \ingroup DDEKit_pci

 */

unsigned short ddekit_pci_get_vendor(struct ddekit_pci_dev *dev);

/** Get device ID.

 * \ingroup DDEKit_pci

 */

unsigned short ddekit_pci_get_device_id(struct ddekit_pci_dev *dev);

/** Get device subvendor ID.

 * \ingroup DDEKit_pci

 */

unsigned short ddekit_pci_get_sub_vendor(struct ddekit_pci_dev *dev);

/** Get subdevice ID.

 * \ingroup DDEKit_pci

 */

unsigned short ddekit_pci_get_sub_device(struct ddekit_pci_dev *dev);

/** Get device class ID.

 * \ingroup DDEKit_pci

 */

unsigned ddekit_pci_get_dev_class(struct ddekit_pci_dev *dev);

/** Get device's IRQ number.

 * \ingroup DDEKit_pci

 */

unsigned long ddekit_pci_get_irq(struct ddekit_pci_dev *dev);

/** Get device name.

 * \ingroup DDEKit_pci

 */

char *ddekit_pci_get_name(struct ddekit_pci_dev *dev);

/** Get device's slot name.

 * \ingroup DDEKit_pci

 */

char *ddekit_pci_get_slot_name(struct ddekit_pci_dev *dev);

/** Get one of the device's resources.

 * \ingroup DDEKit_pci

 */

ddekit_pci_res_t *ddekit_pci_get_resource(struct ddekit_pci_dev *dev,

        unsigned int idx);

int ddekit_pci_irq_enable(int bus, int slot, int func, int pin, int

        *irq);

#endif