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#ifndef _ddekit_pci_h
#define _ddekit_pci_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 // _ddekit_pci_h
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