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feat(core/otg): add otg framework

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Signed-off-by: sakumisu <1203593632@qq.com>
This commit is contained in:
sakumisu 2025-01-15 17:10:44 +08:00
parent 64394bf246
commit 99e2e6bfd4
3 changed files with 212 additions and 0 deletions
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41
common/usb_otg.h Normal file
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/*
* Copyright (c) 2025, sakumisu
*
* SPDX-License-Identifier: Apache-2.0
*/
#ifndef USB_OTG_H
#define USB_OTG_H
#include <stdint.h>
#ifdef __cplusplus
extern "C" {
#endif
/**
* @brief usb otg controller hardware or gpio id simulator init.
*
* @return On success will return 0, and others indicate fail.
*/
int usb_otg_init(uint8_t busid);
/**
* @brief usb otg controller hardware or gpio id simulator deinit.
*
* @return On success will return 0, and others indicate fail.
*/
int usb_otg_deinit(uint8_t busid);
/**
* @brief get current role mode.
*
* @return return USBOTG_MODE_HOST or USBOTG_MODE_DEVICE.
*/
uint8_t usbotg_get_current_mode(uint8_t busid);
/* called by user */
void USBOTG_IRQHandler(uint8_t busid);
#ifdef __cplusplus
}
#endif
#endif /* USB_OTG_H */

137
core/usbotg_core.c Normal file
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/*
* Copyright (c) 2025, sakumisu
*
* SPDX-License-Identifier: Apache-2.0
*/
#include "usbotg_core.h"
struct usbotg_core_priv {
uint8_t busid;
uint32_t reg_base;
usb_osal_sem_t change_sem;
usb_osal_thread_t change_thread;
bool usbh_initialized;
bool usbd_initialized;
int (*usbh_initialize)(uint8_t busid, uint32_t reg_base);
int (*usbd_initialize)(uint8_t busid, uint32_t reg_base);
} g_usbotg_core[CONFIG_USBHOST_MAX_BUS];
static void usbotg_host_initialize(uint8_t busid)
{
if (g_usbotg_core[busid].usbd_initialized) {
g_usbotg_core[busid].usbd_initialized = false;
usbd_deinitialize(busid);
}
if (g_usbotg_core[busid].usbh_initialize && !g_usbotg_core[busid].usbh_initialized) {
g_usbotg_core[busid].usbh_initialized = true;
g_usbotg_core[busid].usbh_initialize(g_usbotg_core[busid].busid, g_usbotg_core[busid].reg_base);
}
}
static void usbotg_device_initialize(uint8_t busid)
{
if (g_usbotg_core[busid].usbh_initialized) {
g_usbotg_core[busid].usbh_initialized = false;
usbh_deinitialize(busid);
}
if (g_usbotg_core[busid].usbd_initialize && !g_usbotg_core[busid].usbd_initialize) {
g_usbotg_core[busid].usbd_initialized = true;
g_usbotg_core[busid].usbd_initialize(g_usbotg_core[busid].busid, g_usbotg_core[busid].reg_base);
}
}
static void usbotg_rolechange_thread(void *argument)
{
uint8_t busid = (uint8_t)(uintptr_t)argument;
usb_otg_init(busid);
while (1) {
if (usb_osal_sem_take(g_usbotg_core[busid].change_sem, USB_OSAL_WAITING_FOREVER) == 0) {
if (usbotg_get_current_mode(busid) == USBOTG_MODE_HOST) {
usbotg_host_initialize(busid);
} else if (usbotg_get_current_mode(busid) == USBOTG_MODE_DEVICE) {
usbotg_device_initialize(busid);
}
}
}
}
int usbotg_initialize(uint8_t otg_mode, uint8_t busid, uint32_t reg_base,
int (*usbh_initialize)(uint8_t busid, uint32_t reg_base),
int (*usbd_initialize)(uint8_t busid, uint32_t reg_base))
{
char thread_name[32] = { 0 };
if (busid >= CONFIG_USBHOST_MAX_BUS) {
USB_LOG_ERR("bus overflow\r\n");
while (1) {
}
}
g_usbotg_core[busid].busid = busid;
g_usbotg_core[busid].reg_base = reg_base;
g_usbotg_core[busid].usbh_initialize = usbh_initialize;
g_usbotg_core[busid].usbd_initialize = usbd_initialize;
if (otg_mode == USBOTG_MODE_OTG) {
g_usbotg_core[busid].change_sem = usb_osal_sem_create(0);
if (g_usbotg_core[busid].change_sem == NULL) {
USB_LOG_ERR("Failed to create change_sem\r\n");
return -1;
}
snprintf(thread_name, 32, "usbotg%u", busid);
g_usbotg_core[busid].change_thread = usb_osal_thread_create(thread_name, CONFIG_USBHOST_PSC_STACKSIZE, CONFIG_USBHOST_PSC_PRIO, usbotg_rolechange_thread, (void *)(uintptr_t)busid);
if (g_usbotg_core[busid].change_thread == NULL) {
USB_LOG_ERR("Failed to create usbotg thread\r\n");
return -1;
}
} else {
if (otg_mode == USBOTG_MODE_HOST) {
usbotg_host_initialize(busid);
} else if (otg_mode == USBOTG_MODE_DEVICE) {
usbotg_device_initialize(busid);
}
}
return 0;
}
int usbotg_deinitialize(uint8_t busid, uint32_t reg_base)
{
if (g_usbotg_core[busid].usbd_initialized) {
g_usbotg_core[busid].usbd_initialized = false;
usbd_deinitialize(busid);
}
if (g_usbotg_core[busid].usbh_initialized) {
g_usbotg_core[busid].usbh_initialized = false;
usbh_deinitialize(busid);
}
if (g_usbotg_core[busid].change_sem) {
usb_otg_deinit(busid);
usb_osal_sem_delete(g_usbotg_core[busid].change_sem);
}
if (g_usbotg_core[busid].change_thread) {
usb_osal_thread_delete(g_usbotg_core[busid].change_thread);
}
return 0;
}
void usbotg_trigger_role_change(uint8_t busid)
{
usb_osal_sem_give(g_usbotg_core[busid].change_sem);
}
void USBOTG_IRQHandler(uint8_t busid)
{
if (usbotg_get_current_mode(busid) == USBOTG_MODE_HOST) {
USBH_IRQHandler(busid);
} else if (usbotg_get_current_mode(busid) == USBOTG_MODE_DEVICE) {
USBD_IRQHandler(busid);
}
}

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core/usbotg_core.h Normal file
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/*
* Copyright (c) 2025, sakumisu
*
* SPDX-License-Identifier: Apache-2.0
*/
#ifndef USBOTG_CORE_H
#define USBOTG_CORE_H
#ifdef __cplusplus
extern "C" {
#endif
#define USBOTG_MODE_UNKNOWN 0
#define USBOTG_MODE_OTG 1
#define USBOTG_MODE_HOST 2
#define USBOTG_MODE_DEVICE 3
#include "usbd_core.h"
#include "usbh_core.h"
#include "usb_otg.h"
int usbotg_initialize(uint8_t otg_mode, uint8_t busid, uint32_t reg_base,
int (*usbh_initialize)(uint8_t busid, uint32_t reg_base),
int (*usbd_initialize)(uint8_t busid, uint32_t reg_base));
int usbotg_deinitialize(uint8_t busid, uint32_t reg_base);
/* called by user */
void usbotg_trigger_role_change(uint8_t busid);
#ifdef __cplusplus
}
#endif
#endif /* USBOTG_CORE_H */