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Add driver interface for PCI

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This commit is contained in:
David Gálvez
2014-05-21 08:40:50 +00:00
parent f0d0af7add
commit 73f75895bc
7 changed files with 839 additions and 7 deletions
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64
include/driver_vec.h
View File

@@ -27,15 +27,17 @@
#include "xhdi_sd.h"
#include "MCD_dma.h"
#include "pci.h"
enum driver_type
{
END_OF_DRIVERS, /* marks end of driver list */
BLOCKDEV_DRIVER,
CHARDEV_DRIVER,
VIDEO_DRIVER,
// BLOCKDEV_DRIVER,
// CHARDEV_DRIVER,
XHDI_DRIVER,
MCD_DRIVER,
VIDEO_DRIVER,
PCI_DRIVER,
END_OF_DRIVERS, /* marks end of driver list */
};
struct generic_driver_interface
@@ -204,12 +206,66 @@ struct framebuffer_driver_interface
struct fb_info **framebuffer_info; /* pointer to an fb_info struct (defined in include/fb.h) */
};
struct pci_bios_interface {
uint32_t subjar;
uint32_t version;
/* Although we declare this functions as standard gcc functions (cdecl),
* they expect paramenters inside registers (fastcall) unsupported by gcc m68k.
* Caller will take care of parameters passing convention.
*/
int32_t (*find_pci_device) (uint32_t id, uint16_t index);
int32_t (*find_pci_classcode) (uint32_t class, uint16_t index);
int32_t (*read_config_byte) (int32_t handle, uint16_t reg, uint8_t *address);
int32_t (*read_config_word) (int32_t handle, uint16_t reg, uint16_t *address);
int32_t (*read_config_longword) (int32_t handle, uint16_t reg, uint32_t *address);
uint8_t (*fast_read_config_byte) (int32_t handle, uint16_t reg);
uint16_t (*fast_read_config_word) (int32_t handle, uint16_t reg);
uint32_t (*fast_read_config_longword) (int32_t handle, uint16_t reg);
int32_t (*write_config_byte) (int32_t handle, uint16_t reg, uint16_t val);
int32_t (*write_config_word) (int32_t handle, uint16_t reg, uint16_t val);
int32_t (*write_config_longword) (int32_t handle, uint16_t reg, uint32_t val);
int32_t (*hook_interrupt) (int32_t handle, uint32_t *routine, uint32_t *parameter);
int32_t (*unhook_interrupt) (int32_t handle);
int32_t (*special_cycle) (uint16_t bus, uint32_t data);
int32_t (*get_routing) (int32_t handle);
int32_t (*set_interrupt) (int32_t handle);
int32_t (*get_resource) (int32_t handle);
int32_t (*get_card_used) (int32_t handle, uint32_t *address);
int32_t (*set_card_used) (int32_t handle, uint32_t *callback);
int32_t (*read_mem_byte) (int32_t handle, uint32_t offset, uint8_t *address);
int32_t (*read_mem_word) (int32_t handle, uint32_t offset, uint16_t *address);
int32_t (*read_mem_longword) (int32_t handle, uint32_t offset, uint32_t *address);
uint8_t (*fast_read_mem_byte) (int32_t handle, uint32_t offset);
uint16_t (*fast_read_mem_word) (int32_t handle, uint32_t offset);
uint32_t (*fast_read_mem_longword) (int32_t handle, uint32_t offset);
int32_t (*write_mem_byte) (int32_t handle, uint32_t offset, uint16_t val);
int32_t (*write_mem_word) (int32_t handle, uint32_t offset, uint16_t val);
int32_t (*write_mem_longword) (int32_t handle, uint32_t offset, uint32_t val);
int32_t (*read_io_byte) (int32_t handle, uint32_t offset, uint8_t *address);
int32_t (*read_io_word) (int32_t handle, uint32_t offset, uint16_t *address);
int32_t (*read_io_longword) (int32_t handle, uint32_t offset, uint32_t *address);
uint8_t (*fast_read_io_byte) (int32_t handle, uint32_t offset);
uint16_t (*fast_read_io_word) (int32_t handle, uint32_t offset);
uint32_t (*fast_read_io_longword) (int32_t handle, uint32_t offset);
int32_t (*write_io_byte) (int32_t handle, uint32_t offset, uint16_t val);
int32_t (*write_io_word) (int32_t handle, uint32_t offset, uint16_t val);
int32_t (*write_io_longword) (int32_t handle, uint32_t offset, uint32_t val);
int32_t (*get_machine_id) (void);
int32_t (*get_pagesize) (void);
int32_t (*virt_to_bus) (int32_t handle, uint32_t address, PCI_CONV_ADR *pointer);
int32_t (*bus_to_virt) (int32_t handle, uint32_t address, PCI_CONV_ADR *pointer);
int32_t (*virt_to_phys) (uint32_t address, PCI_CONV_ADR *pointer);
int32_t (*phys_to_virt) (uint32_t address, PCI_CONV_ADR *pointer);
// int32_t reserved[2];
};
union interface
{
struct generic_driver_interface *gdi;
struct xhdi_driver_interface *xhdi;
struct dma_driver_interface *dma;
struct framebuffer_driver_interface *fb;
struct pci_bios_interface *pci;
};
struct generic_interface

86
include/pci.h
View File

@@ -243,10 +243,94 @@ extern int32_t pci_write_config_longword(int32_t handle, int offset, uint32_t va
extern int32_t pci_write_config_word(int32_t handle, int offset, uint16_t value);
extern int32_t pci_write_config_byte(int32_t handle, int offset, uint8_t value);
extern struct pci_rd *pci_get_resource(int32_t handle);
extern int32_t pci_hook_interrupt(int32_t handle, void *interrupt_handler, void *parameter);
extern int32_t pci_unhook_interrupt(int32_t handle);
extern struct pci_rd *pci_get_resource(int32_t handle);
/*
* Not implemented PCI_BIOS functions
*/
extern uint8_t pci_fast_read_config_byte(int32_t handle, uint16_t reg);
extern uint16_t pci_fast_read_config_word(int32_t handle, uint16_t reg);
extern uint32_t pci_fast_read_config_longword(int32_t handle, uint16_t reg);
extern int32_t pci_special_cycle(uint16_t bus, uint32_t data);
extern int32_t pci_get_routing(int32_t handle);
extern int32_t pci_set_interrupt(int32_t handle);
extern int32_t pci_get_card_used(int32_t handle, uint32_t *address);
extern int32_t pci_set_card_used(int32_t handle, uint32_t *callback);
extern int32_t pci_read_mem_byte(int32_t handle, uint32_t offset, uint8_t *address);
extern int32_t pci_read_mem_word(int32_t handle, uint32_t offset, uint16_t *address);
extern int32_t pci_read_mem_longword(int32_t handle, uint32_t offset, uint32_t *address);
extern uint8_t pci_fast_read_mem_byte(int32_t handle, uint32_t offset);
extern uint16_t pci_fast_read_mem_word(int32_t handle, uint32_t offset);
extern uint32_t pci_fast_read_mem_longword(int32_t handle, uint32_t offset);
extern int32_t pci_write_mem_byte(int32_t handle, uint32_t offset, uint16_t val);
extern int32_t pci_write_mem_word(int32_t handle, uint32_t offset, uint16_t val);
extern int32_t pci_write_mem_longword(int32_t handle, uint32_t offset, uint32_t val);
extern int32_t pci_read_io_byte(int32_t handle, uint32_t offset, uint8_t *address);
extern int32_t pci_read_io_word(int32_t handle, uint32_t offset, uint16_t *address);
extern int32_t pci_read_io_longword(int32_t handle, uint32_t offset, uint32_t *address);
extern uint8_t pci_fast_read_io_byte(int32_t handle, uint32_t offset);
extern uint16_t pci_fast_read_io_word(int32_t handle, uint32_t offset);
extern uint32_t pci_fast_read_io_longword(int32_t handle, uint32_t offset);
extern int32_t pci_write_io_byte(int32_t handle, uint32_t offset, uint16_t val);
extern int32_t pci_write_io_word(int32_t handle, uint32_t offset, uint16_t val);
extern int32_t pci_write_io_longword(int32_t handle, uint32_t offset, uint32_t val);
extern int32_t pci_get_machine_id(void);
extern int32_t pci_get_pagesize(void);
extern int32_t pci_virt_to_bus(int32_t handle, uint32_t address, PCI_CONV_ADR *pointer);
extern int32_t pci_bus_to_virt(int32_t handle, uint32_t address, PCI_CONV_ADR *pointer);
extern int32_t pci_virt_to_phys(uint32_t address, PCI_CONV_ADR *pointer);
extern int32_t pci_phys_to_virt(uint32_t address, PCI_CONV_ADR *pointer);
/*
* prototypes for PCI wrapper routines
*/
extern int32_t wrapper_find_pci_device(uint32_t id, uint16_t index);
extern int32_t wrapper_find_pci_classcode(uint32_t class, uint16_t index);
extern int32_t wrapper_read_config_byte(int32_t handle, uint16_t reg, uint8_t *address);
extern int32_t wrapper_read_config_word(int32_t handle, uint16_t reg, uint16_t *address);
extern int32_t wrapper_read_config_longword(int32_t handle, uint16_t reg, uint32_t *address);
extern uint8_t wrapper_fast_read_config_byte(int32_t handle, uint16_t reg);
extern uint16_t wrapper_fast_read_config_word(int32_t handle, uint16_t reg);
extern uint32_t wrapper_fast_read_config_longword(int32_t handle, uint16_t reg);
extern int32_t wrapper_write_config_byte(int32_t handle, uint16_t reg, uint16_t val);
extern int32_t wrapper_write_config_word(int32_t handle, uint16_t reg, uint16_t val);
extern int32_t wrapper_write_config_longword(int32_t handle, uint16_t reg, uint32_t val);
extern int32_t wrapper_hook_interrupt(int32_t handle, uint32_t *routine, uint32_t *parameter);
extern int32_t wrapper_unhook_interrupt(int32_t handle);
extern int32_t wrapper_special_cycle(uint16_t bus, uint32_t data);
extern int32_t wrapper_get_routing(int32_t handle);
extern int32_t wrapper_set_interrupt(int32_t handle);
extern int32_t wrapper_get_resource(int32_t handle);
extern int32_t wrapper_get_card_used(int32_t handle, uint32_t *address);
extern int32_t wrapper_set_card_used(int32_t handle, uint32_t *callback);
extern int32_t wrapper_read_mem_byte(int32_t handle, uint32_t offset, uint8_t *address);
extern int32_t wrapper_read_mem_word(int32_t handle, uint32_t offset, uint16_t *address);
extern int32_t wrapper_read_mem_longword(int32_t handle, uint32_t offset, uint32_t *address);
extern uint8_t wrapper_fast_read_mem_byte(int32_t handle, uint32_t offset);
extern uint16_t wrapper_fast_read_mem_word(int32_t handle, uint32_t offset);
extern uint32_t wrapper_fast_read_mem_longword(int32_t handle, uint32_t offset);
extern int32_t wrapper_write_mem_byte(int32_t handle, uint32_t offset, uint16_t val);
extern int32_t wrapper_write_mem_word(int32_t handle, uint32_t offset, uint16_t val);
extern int32_t wrapper_write_mem_longword(int32_t handle, uint32_t offset, uint32_t val);
extern int32_t wrapper_read_io_byte(int32_t handle, uint32_t offset, uint8_t *address);
extern int32_t wrapper_read_io_word(int32_t handle, uint32_t offset, uint16_t *address);
extern int32_t wrapper_read_io_longword(int32_t handle, uint32_t offset, uint32_t *address);
extern uint8_t wrapper_fast_read_io_byte(int32_t handle, uint32_t offset);
extern uint16_t wrapper_fast_read_io_word(int32_t handle, uint32_t offset);
extern uint32_t wrapper_fast_read_io_longword(int32_t handle, uint32_t offset);
extern int32_t wrapper_write_io_byte(int32_t handle, uint32_t offset, uint16_t val);
extern int32_t wrapper_write_io_word(int32_t handle, uint32_t offset, uint16_t val);
extern int32_t wrapper_write_io_longword(int32_t handle, uint32_t offset, uint32_t val);
extern int32_t wrapper_get_machine_id(void);
extern int32_t wrapper_get_pagesize(void);
extern int32_t wrapper_virt_to_bus(int32_t handle, uint32_t address, PCI_CONV_ADR *pointer);
extern int32_t wrapper_bus_to_virt(int32_t handle, uint32_t address, PCI_CONV_ADR *pointer);
extern int32_t wrapper_virt_to_phys(uint32_t address, PCI_CONV_ADR *pointer);
extern int32_t wrapper_phys_to_virt(uint32_t address, PCI_CONV_ADR *pointer);
#define PCI_MK_CONF_ADDR(bus, device, function) (MCF_PCI_PCICAR_E | \
((bus) << 16) | \
((device << 8) | \