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Annotation of funnyos/sys/bus.h, Revision 1.1.1.1

1.1       init        1: /*
                      2:  * $Id: bus.h,v 1.1.1.1 2007/10/12 08:40:38 init Exp $
                      3:  */
                      4: #ifndef _SYS_BUS_H
                      5: #define _SYS_BUS_H
                      6:
                      7: #include <sys/device.h>
                      8:
                      9: /*
                     10:  * Bus operations.
                     11:  */
                     12: struct busops {
                     13:        uint8_t         (*bus_read_1)(struct device *devp, uint32_t addr);
                     14:        uint16_t        (*bus_read_2)(struct device *devp, uint32_t addr);
                     15:        uint32_t        (*bus_read_4)(struct device *devp, uint32_t addr);
                     16:        int             (*bus_write_1)(struct device *devp, uint32_t addr, uint8_t data);
                     17:        int             (*bus_write_2)(struct device *devp, uint32_t addr, uint16_t data);
                     18:        int             (*bus_write_4)(struct device *devp, uint32_t addr, uint32_t data);
                     19:        /* XXX DMA related stuff */
                     20: };
                     21:
                     22: #define bus_read_1(dev, addr) ((struct busops *)dev->dv_devdata)->bus_read_1(dev, addr)
                     23:
                     24: #define bus_write_1(dev, addr, data) ((struct busops *)dev->dv_devdata)->bus_write_1(dev, addr, data)
                     25:
                     26: #endif /* _SYS_BUS_H */