src/include/device/pnp.h

   1 #ifndef DEVICE_PNP_H
   2 #define DEVICE_PNP_H
   3
   4 #include <stdint.h>
   5 #include <device/device.h>
   6 #include <device/pnp_def.h>
   7 #include <device/chip.h>
   8
   9 /* Primitive pnp resource manipulation */
  10 void    pnp_write_config(device_t dev, uint8_t reg, uint8_t value);
  11 uint8_t pnp_read_config(device_t dev, uint8_t reg);
  12 void    pnp_set_logical_device(device_t dev);
  13 void    pnp_set_enable(device_t dev, int enable);
  14 int     pnp_read_enable(device_t dev);
  15 void    pnp_set_iobase(device_t dev, unsigned index, unsigned iobase);
  16 void    pnp_set_irq(device_t dev, unsigned index, unsigned irq);
  17 void    pnp_set_drq(device_t dev, unsigned index, unsigned drq);
  18
  19 /* PNP device operations */
  20 void pnp_read_resources(device_t dev);
  21 void pnp_set_resources(device_t dev);
  22 void pnp_enable_resources(device_t dev);
  23 void pnp_enable(device_t dev);
  24
  25 struct device_operations pnp_ops;
  26
  27 /* PNP helper operations */
  28
  29 struct io_info {
  30         unsigned mask, set;
  31 };
  32
  33 struct pnp_info {
  34         struct device_operations *ops;
  35         unsigned function;
  36         unsigned flags;
  37 #define PNP_IO0  0x01
  38 #define PNP_IO1  0x02
  39 #define PNP_IRQ0 0x04
  40 #define PNP_IRQ1 0x08
  41 #define PNP_DRQ0 0x10
  42 #define PNP_DRQ1 0x20
  43         struct io_info io0, io1;
  44 };
  45 struct resource *pnp_get_resource(device_t dev, unsigned index);
  46 void pnp_enumerate(struct chip *chip, unsigned functions,
  47         struct device_operations *ops, struct pnp_info *info);
  48
  49 #endif /* DEVICE_PNP_H */