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Reverted Cacodemon345's broken USB OHCI implementation, fixes #3597.

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This commit is contained in:
OBattler
2023-08-18 23:16:54 +02:00
parent 1cff8341c2
commit 29c153d287
6 changed files with 174 additions and 1110 deletions
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189
src/include/86box/usb.h
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@@ -1,18 +1,18 @@
/*
* 86Box A hypervisor and IBM PC system emulator that specializes in
* running old operating systems and software designed for IBM
* PC systems and compatibles from 1981 through fairly recent
* system designs based on the PCI bus.
* 86Box A hypervisor and IBM PC system emulator that specializes in
* running old operating systems and software designed for IBM
* PC systems and compatibles from 1981 through fairly recent
* system designs based on the PCI bus.
*
* This file is part of the 86Box distribution.
* This file is part of the 86Box distribution.
*
* Definitions for the Distributed DMA emulation.
* Definitions for the Distributed DMA emulation.
*
*
*
* Authors: Miran Grca, <mgrca8@gmail.com>
* Authors: Miran Grca, <mgrca8@gmail.com>
*
* Copyright 2020 Miran Grca.
* Copyright 2020 Miran Grca.
*/
#ifndef USB_H
@@ -22,188 +22,21 @@
extern "C" {
#endif
typedef struct usb_t usb_t;
typedef struct usb_device_t usb_device_t;
enum usb_pid
typedef struct
{
USB_PID_OUT = 0xE1,
USB_PID_IN = 0x69,
USB_PID_SETUP = 0x2D
};
enum usb_errors
{
USB_ERROR_NO_ERROR = 0,
USB_ERROR_NAK = 1,
USB_ERROR_OVERRUN = 2,
USB_ERROR_UNDERRUN = 3
};
enum usb_bus_types
{
USB_BUS_OHCI = 0,
USB_BUS_UHCI = 1,
USB_BUS_MAX = 2
};
/* USB device creation parameters struct */
typedef struct usb_params_t
{
void (*update_interrupt)(usb_t*, void*);
/* Handle (but do not raise) SMI. Returns 1 if SMI can be raised, 0 otherwise. */
uint8_t (*smi_handle)(usb_t*, void*);
void* parent_priv;
} usb_params_t;
typedef union {
uint32_t l;
uint16_t w[2];
uint8_t b[4];
} ohci_mmio_t;
/* USB Host Controller device struct */
typedef struct usb_t {
uint8_t uhci_io[32];
ohci_mmio_t ohci_mmio[1024];
uint8_t uhci_io[32], ohci_mmio[4096];
uint16_t uhci_io_base;
int uhci_enable;
int ohci_enable;
int uhci_enable, ohci_enable;
uint32_t ohci_mem_base;
uint32_t irq_level;
mem_mapping_t ohci_mmio_mapping;
pc_timer_t ohci_frame_timer;
pc_timer_t ohci_port_reset_timer[2];
uint8_t ohci_interrupt_counter : 3;
usb_device_t *ohci_devices[2];
usb_device_t *uhci_devices[2];
uint8_t ohci_usb_buf[4096];
uint8_t ohci_initial_start;
usb_params_t *usb_params;
} usb_t;
#pragma pack(push, 1)
/* Base USB descriptor struct. */
typedef struct usb_desc_base_t {
uint8_t bLength;
uint8_t bDescriptorType;
} usb_desc_base_t;
enum usb_desc_setup_req_types {
USB_SETUP_TYPE_DEVICE = 0x0,
USB_SETUP_TYPE_INTERFACE = 0x1,
USB_SETUP_TYPE_ENDPOING = 0x2,
USB_SETUP_TYPE_OTHER = 0x3,
};
#define USB_SETUP_TYPE_MAX 0x1F
#define USB_SETUP_DEV_TO_HOST 0x80
typedef struct usb_desc_setup_t {
uint8_t bmRequestType;
uint8_t bRequest;
uint16_t wValue;
uint16_t wIndex;
uint16_t wLength;
} usb_desc_setup_t;
typedef struct usb_desc_endpoint_t {
usb_desc_base_t base;
uint8_t bEndpointAddress;
uint8_t bmAttributes;
uint16_t wMaxPacketSize;
uint8_t bInterval;
} usb_desc_endpoint_t;
typedef struct usb_desc_hid_t {
usb_desc_base_t base;
uint16_t bcdHID;
uint8_t bCountryCode;
uint8_t bNumDescriptors;
uint8_t bDescriptorType;
uint16_t wDescriptorLength;
} usb_desc_hid_t;
typedef struct usb_desc_interface_t {
usb_desc_base_t base;
uint8_t bInterfaceNumber;
uint8_t bAlternateSetting;
uint8_t bNumEndpoints;
uint8_t bInterfaceClass;
uint8_t bInterfaceSubClass;
uint8_t bInterfaceProtocol;
uint8_t iInterface;
} usb_desc_interface_t;
typedef struct usb_desc_string_t {
usb_desc_base_t base;
uint16_t bString[];
} usb_desc_string_t;
typedef struct usb_desc_conf_t {
usb_desc_base_t base;
uint16_t wTotalLength;
uint8_t bNumInterfaces;
uint8_t bConfigurationValue;
uint8_t iConfiguration;
uint8_t bmAttributes;
uint8_t bMaxPower;
} usb_desc_conf_t;
typedef struct usb_desc_device_t {
usb_desc_base_t base;
uint16_t bcdUSB;
uint8_t bDeviceClass;
uint8_t bDeviceSubClass;
uint8_t bDeviceProtocol;
uint8_t bMaxPacketSize;
uint16_t idVendor;
uint16_t idProduct;
uint16_t bcdDevice;
uint8_t iManufacturer;
uint8_t iProduct;
uint8_t iSerialNumber;
uint8_t bNumConfigurations;
} usb_desc_device_t;
#pragma pack(pop)
/* USB endpoint device struct. Incomplete and unused. */
typedef struct usb_device_t {
usb_desc_device_t device_desc;
struct {
usb_desc_conf_t conf_desc;
usb_desc_base_t* other_descs[16];
} conf_desc_items;
/* General-purpose function for I/O. Non-zero value indicates error. */
uint8_t (*device_process)(void* priv, uint8_t* data, uint32_t *len, uint8_t pid_token, uint8_t endpoint, uint8_t underrun_not_allowed);
/* Device reset. */
void (*device_reset)(void* priv);
/* Get address. */
uint8_t (*device_get_address)(void* priv);
void* priv;
} usb_device_t;
/* Global variables. */
extern const device_t usb_device;
extern usb_t* usb_device_inst;
/* Functions. */
extern void uhci_update_io_mapping(usb_t *dev, uint8_t base_l, uint8_t base_h, int enable);
extern void ohci_update_mem_mapping(usb_t *dev, uint8_t base1, uint8_t base2, uint8_t base3, int enable);
/* Attach USB device to a port of a USB bus. Returns the port to which it got attached to. */
extern uint8_t usb_attach_device(usb_t *dev, usb_device_t* device, uint8_t bus_type);
/* Detach USB device from a port. */
extern void usb_detach_device(usb_t *dev, uint8_t port, uint8_t bus_type);
#ifdef __cplusplus
}