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// Copyright 2014 Jeff Epler
//
// 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
#ifndef RTAPI_PCI_H
#define RTAPI_PCI_H
#ifdef __KERNEL__
#include <linux/pci.h>
#define rtapi__iomem __iomem
#define rtapi_pci_device_id pci_device_id
#define rtapi_pci_name pci_name
#define rtapi_pci_dev pci_dev
#define rtapi_pci_driver pci_driver
#define rtapi_pci_name pci_name
#define rtapi_pci_enable_device pci_enable_device
#define rtapi_pci_ioremap_bar pci_ioremap_bar
#define rtapi_pci_register_driver pci_register_driver
#define rtapi_pci_unregister_driver pci_unregister_driver
#define rtapi_pci_disable_device pci_disable_device
#define rtapi_pci_enable_device pci_enable_device
#define rtapi_pci_resource_start(dev, bar) pci_resource_start(dev, bar)
#define rtapi_pci_resource_end(dev, bar) pci_resource_end(dev, bar)
#define rtapi_pci_resource_flags(dev, bar) pci_resource_flags(dev, bar)
#define rtapi_pci_resource_len(dev, bar) pci_resource_len(dev, bar)
#define rtapi_pci_set_drvdata pci_set_drvdata
#define rtapi_iounmap iounmap
#else
#include <rtapi.h>
#include <rtapi_stdint.h>
#define rtapi__iomem /* nothing */
RTAPI_BEGIN_DECLS
struct rtapi_pci_device_id {
rtapi_u32 vendor, device; /* Vendor and device ID or PCI_ANY_ID*/
rtapi_u32 subvendor, subdevice; /* Subsystem ID's or PCI_ANY_ID */
rtapi_u32 rtapi_class, class_mask; /* (class,subclass,prog-if) triplet */
};
struct rtapi_pci_resource {
intptr_t start; /* Details read from device/resource file */
intptr_t end;
unsigned long flags;
void *mmio; /* The mmap address (if mapped) */
};
struct rtapi_pci_dev {
char dev_name[32]; /* Device name (0000:03:00.0) */
char sys_path[256]; /* Path to device (/sys/device/... */
unsigned short vendor;
unsigned short device;
unsigned short subsystem_vendor;
unsigned short subsystem_device;
unsigned int rtapi_class; /* 3 bytes: (base,sub,prog-if) */
struct rtapi_pci_resource
resource[6]; /* Device BARs */
void *driver_data; /* Data private to the driver */
};
struct rtapi_pci_driver {
char *name;
const struct rtapi_pci_device_id *id_table; /* must be non-NULL for probe to be called */
int (*probe) (struct rtapi_pci_dev *dev, const struct rtapi_pci_device_id *id); /* New device inserted */
void (*remove) (struct rtapi_pci_dev *dev); /* Device removed (NULL if not a hot-plug capable driver) */
void *private_data; /* Data private to rtapi_pci */
};
static inline const char *rtapi_pci_name(const struct rtapi_pci_dev *pdev)
{
return pdev->dev_name;
}
int rtapi_pci_enable_device(struct rtapi_pci_dev *dev);
void rtapi__iomem *rtapi_pci_ioremap_bar(struct rtapi_pci_dev *pdev, int bar);
int rtapi_pci_register_driver(struct rtapi_pci_driver *driver);
void rtapi_pci_unregister_driver(struct rtapi_pci_driver *driver);
int rtapi_pci_enable_device(struct rtapi_pci_dev *dev);
int rtapi_pci_disable_device(struct rtapi_pci_dev *dev);
#define rtapi_pci_resource_start(dev, bar) ((dev)->resource[(bar)].start)
#define rtapi_pci_resource_end(dev, bar) ((dev)->resource[(bar)].end)
#define rtapi_pci_resource_flags(dev, bar) ((dev)->resource[(bar)].flags)
#define rtapi_pci_resource_len(dev,bar) \
((rtapi_pci_resource_start((dev), (bar)) == 0 && \
rtapi_pci_resource_end((dev), (bar)) == \
rtapi_pci_resource_start((dev), (bar))) ? 0 : \
\
(rtapi_pci_resource_end((dev), (bar)) - \
rtapi_pci_resource_start((dev), (bar)) + 1))
static inline void rtapi_pci_set_drvdata(struct rtapi_pci_dev *pdev, void *data)
{
pdev->driver_data = data;
}
void rtapi_iounmap(volatile void *addr);
int rtapi_pci_register_driver(struct rtapi_pci_driver *driver);
void rtapi_pci_unregister_driver(struct rtapi_pci_driver *driver);
RTAPI_END_DECLS
#endif
#endif
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