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usb: Port reset logic is now on a timer

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This commit is contained in:
Cacodemon345
2023-05-01 16:55:49 +06:00
parent 2684befe7b
commit ea5b9cdbf8
2 changed files with 29 additions and 4 deletions
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2
src/include/86box/usb.h
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@@ -39,6 +39,8 @@ typedef struct usb_t
int uhci_enable, ohci_enable;
uint32_t ohci_mem_base;
mem_mapping_t ohci_mmio_mapping;
pc_timer_t ohci_frame_timer;
pc_timer_t ohci_port_reset_timer[2];
usb_params_t* usb_params;
} usb_t;

31
src/usb.c
View File

@@ -26,8 +26,8 @@
#include <86box/device.h>
#include <86box/io.h>
#include <86box/mem.h>
#include <86box/timer.h>
#include <86box/usb.h>
#include "cpu.h"
#ifdef ENABLE_USB_LOG
int usb_do_log = ENABLE_USB_LOG;
@@ -189,6 +189,28 @@ ohci_mmio_read(uint32_t addr, void *p)
return ret;
}
void
ohci_update_frame_counter(void* priv)
{
usb_t *dev = (usb_t *) priv;
}
void
ohci_port_reset_callback(void* priv)
{
usb_t *dev = (usb_t *) priv;
dev->ohci_mmio[OHCI_HcRhPortStatus1] &= ~0x10;
}
void
ohci_port_reset_callback_2(void* priv)
{
usb_t *dev = (usb_t *) priv;
dev->ohci_mmio[OHCI_HcRhPortStatus2] &= ~0x10;
}
static void
ohci_mmio_write(uint32_t addr, uint8_t val, void *p)
{
@@ -331,8 +353,7 @@ ohci_mmio_write(uint32_t addr, uint8_t val, void *p)
if (val & 0x10) {
if (old & 0x01) {
dev->ohci_mmio[addr] |= 0x10;
/* TODO: The clear should be on a 10 ms timer. */
dev->ohci_mmio[addr] &= ~0x10;
timer_on_auto(&dev->ohci_port_reset_timer[(addr - OHCI_HcRhPortStatus1) / 4], 10000.);
dev->ohci_mmio[addr + 2] |= 0x10;
} else
dev->ohci_mmio[addr + 2] |= 0x01;
@@ -388,7 +409,6 @@ ohci_mmio_write(uint32_t addr, uint8_t val, void *p)
dev->ohci_mmio[addr] = val;
}
void
ohci_update_mem_mapping(usb_t *dev, uint8_t base1, uint8_t base2, uint8_t base3, int enable)
{
@@ -447,6 +467,9 @@ usb_init_ext(const device_t *info, void* params)
ohci_mmio_read, NULL, NULL,
ohci_mmio_write, NULL, NULL,
NULL, MEM_MAPPING_EXTERNAL, dev);
timer_add(&dev->ohci_frame_timer, ohci_update_frame_counter, dev, 0); /* Unused for now, to be used for frame counting. */
timer_add(&dev->ohci_port_reset_timer[0], ohci_port_reset_callback, dev, 0);
timer_add(&dev->ohci_port_reset_timer[1], ohci_port_reset_callback_2, dev, 0);
usb_reset(dev);
return dev;