#ifndef DEVICE_PNP_H #define DEVICE_PNP_H #include <stdint.h> #include <rules.h> #include <device/device.h> #include <device/pnp_def.h> #include <arch/io.h> #ifndef __SIMPLE_DEVICE__ /* Primitive PNP resource manipulation */ void pnp_write_config(device_t dev, u8 reg, u8 value); u8 pnp_read_config(device_t dev, u8 reg); void pnp_set_logical_device(device_t dev); void pnp_set_enable(device_t dev, int enable); int pnp_read_enable(device_t dev); void pnp_set_iobase(device_t dev, u8 index, u16 iobase); void pnp_set_irq(device_t dev, u8 index, u8 irq); void pnp_set_drq(device_t dev, u8 index, u8 drq); /* PNP device operations */ void pnp_read_resources(device_t dev); void pnp_set_resources(device_t dev); void pnp_enable_resources(device_t dev); void pnp_enable(device_t dev); void pnp_alt_enable(device_t dev); extern struct device_operations pnp_ops; /* PNP helper operations */ struct io_info { unsigned mask, set; }; struct pnp_info { struct device_operations *ops; unsigned int function; /* Must be at least 16 bits (virtual LDNs)! */ unsigned int flags; #define PNP_IO0 0x000001 #define PNP_IO1 0x000002 #define PNP_IO2 0x000004 #define PNP_IO3 0x000008 #define PNP_IRQ0 0x000010 #define PNP_IRQ1 0x000020 #define PNP_DRQ0 0x000040 #define PNP_DRQ1 0x000080 #define PNP_EN 0x000100 #define PNP_MSC0 0x000200 #define PNP_MSC1 0x000400 #define PNP_MSC2 0x000800 #define PNP_MSC3 0x001000 #define PNP_MSC4 0x002000 #define PNP_MSC5 0x004000 #define PNP_MSC6 0x008000 #define PNP_MSC7 0x010000 #define PNP_MSC8 0x020000 #define PNP_MSC9 0x040000 #define PNP_MSCA 0x080000 #define PNP_MSCB 0x100000 #define PNP_MSCC 0x200000 #define PNP_MSCD 0x400000 #define PNP_MSCE 0x800000 struct io_info io0, io1, io2, io3; }; struct resource *pnp_get_resource(device_t dev, unsigned index); void pnp_enable_devices(struct device *dev, struct device_operations *ops, unsigned int functions, struct pnp_info *info); struct pnp_mode_ops { void (*enter_conf_mode)(device_t dev); void (*exit_conf_mode)(device_t dev); }; void pnp_enter_conf_mode(device_t dev); void pnp_exit_conf_mode(device_t dev); /* PNP indexed I/O operations */ /* * u8 pnp_read_index(u16 port, u8 reg) * Description: * This routine reads indexed I/O registers. The reg byte is written * to the index register at I/O address = port. The result is then * read from the data register at I/O address = port + 1. * * Parameters: * @param[in] u16 port = The I/O address of the port index register. * @param[in] u8 reg = The offset within the indexed space. * @param[out] u8 result = The value read back from the data register. */ static inline u8 pnp_read_index(u16 port, u8 reg) { outb(reg, port); return inb(port + 1); } /* * void pnp_write_index(u16 port, u8 reg, u8 value) * Description: * This routine writes indexed I/O registers. The reg byte is written * to the index register at I/O address = port. The value byte is then * written to the data register at I/O address = port + 1. * * Parameters: * @param[in] u16 port = The address of the port index register. * @param[in] u8 reg = The offset within the indexed space. * @param[in] u8 value = The value to be written to the data register. */ static inline void pnp_write_index(u16 port, u8 reg, u8 value) { outb(reg, port); outb(value, port + 1); } #endif /* ! __SIMPLE_DEVICE__ */ #endif /* DEVICE_PNP_H */