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/*
* Copyright : (C) 2024 Phytium Information Technology, Inc.
*
* SPDX-License-Identifier: Apache-2.0
*
* Modify History:
* Ver Who Date Changes
* ----- ------ -------- --------------------------------------
* 1.0 zhugengyu 2024/6/26 first commit
*/
/***************************** Include Files *********************************/
#include <stdio.h>
#include <string.h>
#include "fassert.h"
#include "fparameters.h"
#include "finterrupt.h"
#include "fcpu_info.h"
#include "fdebug.h"
#include "fcache.h"
#include "usbd_core.h"
/************************** Function Declarations ***************************/
void USBD_IRQHandler(uint8_t busid);
extern void usb_sys_mem_init(void);
extern void usb_sys_mem_deinit(void);
extern void usb_sys_mem_inc_ref(void);
extern u32 usb_sys_mem_dec_ref(void);
extern u8 usb_otg_is_active(void);
/************************** Function Implementations *************************/
static void usb_dc_pusb2_interrupt_handler(s32 vector, void *param)
{
(void)param;
FASSERT(vector == FUSB2_0_VHUB_IRQ_NUM);
USBD_IRQHandler(CONFIG_USB_PUSB2_BUS_ID);
}
static void usb_dc_setup_pusb2_interrupt(u32 id)
{
u32 cpu_id;
FASSERT(id == CONFIG_USB_PUSB2_BUS_ID);
u32 irq_priority = 13U;
GetCpuId(&cpu_id);
InterruptSetTargetCpus(FUSB2_0_VHUB_IRQ_NUM, cpu_id);
InterruptSetPriority(FUSB2_0_VHUB_IRQ_NUM, irq_priority);
/* register intr callback */
InterruptInstall(FUSB2_0_VHUB_IRQ_NUM,
usb_dc_pusb2_interrupt_handler,
NULL,
NULL);
/* enable irq */
InterruptUmask(FUSB2_0_VHUB_IRQ_NUM);
}
static void usb_dc_revoke_pusb2_interrupt(u32 id)
{
FASSERT(id == CONFIG_USB_PUSB2_BUS_ID);
/* disable irq */
InterruptMask(FUSB2_0_VHUB_IRQ_NUM);
}
unsigned long usb_dc_get_register_base(uint32_t id)
{
FASSERT(id == CONFIG_USB_PUSB2_BUS_ID);
return FUSB2_0_VHUB_BASE_ADDR;
}
/* implement cherryusb weak functions */
void usb_dc_low_level_init(void)
{
/* Initialize shared memory pool if not already done */
usb_sys_mem_init();
usb_sys_mem_inc_ref();
/* In OTG mode, the OTG interrupt handler is already installed by usb_otg_init.
* Skip installing DC-specific handler to avoid conflicts. */
if (usb_otg_is_active()) {
return;
}
usb_dc_setup_pusb2_interrupt(CONFIG_USB_PUSB2_BUS_ID);
}
void usb_dc_low_level_deinit(void)
{
/* Release memory pool if last user */
if (usb_sys_mem_dec_ref()) {
usb_sys_mem_deinit();
}
/* In OTG mode, do not revoke interrupt - OTG handles it */
if (usb_otg_is_active()) {
return;
}
usb_dc_revoke_pusb2_interrupt(CONFIG_USB_PUSB2_BUS_ID);
}
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