forked from Minki/linux
e84de0c619
SGI IP22/IP28 machines have GIO busses for adding graphics and other extension cards. This patch adds support for GIO driver/device handling and converts the newport console driver to a GIO driver. [ralf@linux-mips.org: Fixed build error caused by the modules.h -> export.h changes.] Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de> Acked-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de> To: linux-fbdev@vger.kernel.org Patchwork: https://patchwork.linux-mips.org/patch/2886/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
57 lines
1.6 KiB
C
57 lines
1.6 KiB
C
#include <linux/device.h>
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#include <linux/mod_devicetable.h>
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struct gio_device_id {
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__u8 id;
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};
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struct gio_device {
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struct device dev;
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struct resource resource;
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unsigned int irq;
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unsigned int slotno;
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const char *name;
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struct gio_device_id id;
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unsigned id32:1;
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unsigned gio64:1;
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};
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#define to_gio_device(d) container_of(d, struct gio_device, dev)
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struct gio_driver {
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const char *name;
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struct module *owner;
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const struct gio_device_id *id_table;
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int (*probe)(struct gio_device *, const struct gio_device_id *);
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void (*remove)(struct gio_device *);
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int (*suspend)(struct gio_device *, pm_message_t);
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int (*resume)(struct gio_device *);
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void (*shutdown)(struct gio_device *);
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struct device_driver driver;
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};
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#define to_gio_driver(drv) container_of(drv, struct gio_driver, driver)
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extern const struct gio_device_id *gio_match_device(const struct gio_device_id *,
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const struct gio_device *);
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extern struct gio_device *gio_dev_get(struct gio_device *);
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extern void gio_dev_put(struct gio_device *);
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extern int gio_device_register(struct gio_device *);
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extern void gio_device_unregister(struct gio_device *);
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extern void gio_release_dev(struct device *);
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static inline void gio_device_free(struct gio_device *dev)
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{
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gio_release_dev(&dev->dev);
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}
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extern int gio_register_driver(struct gio_driver *);
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extern void gio_unregister_driver(struct gio_driver *);
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#define gio_get_drvdata(_dev) drv_get_drvdata(&(_dev)->dev)
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#define gio_set_drvdata(_dev, data) drv_set_drvdata(&(_dev)->dev, (data))
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extern void gio_set_master(struct gio_device *);
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