504 lines
12 KiB
C
504 lines
12 KiB
C
|
/**************************************************************************//**
|
||
|
|
* @file mem_alloc.c
|
||
|
|
* @version V1.10
|
||
|
|
* @brief USB host library memory allocation functions.
|
||
|
|
*
|
||
|
|
* SPDX-License-Identifier: Apache-2.0
|
||
|
|
*
|
||
|
|
* @copyright (C) 2017 Nuvoton Technology Corp. All rights reserved.
|
||
|
|
*****************************************************************************/
|
||
|
|
|
||
|
|
#include <stdio.h>
|
||
|
|
#include <stdlib.h>
|
||
|
|
#include <string.h>
|
||
|
|
|
||
|
|
#include "NuMicro.h"
|
||
|
|
|
||
|
|
#include "usb.h"
|
||
|
|
|
||
|
|
|
||
|
|
/// @cond HIDDEN_SYMBOLS
|
||
|
|
|
||
|
|
//#define MEM_DEBUG
|
||
|
|
|
||
|
|
#ifdef MEM_DEBUG
|
||
|
|
#define mem_debug rt_kprintf
|
||
|
|
#else
|
||
|
|
#define mem_debug(...)
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#ifdef __ICCARM__
|
||
|
|
#pragma data_alignment=32
|
||
|
|
static uint8_t _mem_pool[MEM_POOL_UNIT_NUM][MEM_POOL_UNIT_SIZE];
|
||
|
|
#else
|
||
|
|
static uint8_t _mem_pool[MEM_POOL_UNIT_NUM][MEM_POOL_UNIT_SIZE] __attribute__((aligned(32)));
|
||
|
|
#endif
|
||
|
|
static uint8_t _unit_used[MEM_POOL_UNIT_NUM];
|
||
|
|
|
||
|
|
static volatile int _usbh_mem_used;
|
||
|
|
static volatile int _usbh_max_mem_used;
|
||
|
|
static volatile int _mem_pool_used;
|
||
|
|
|
||
|
|
|
||
|
|
UDEV_T *g_udev_list;
|
||
|
|
|
||
|
|
uint8_t _dev_addr_pool[128];
|
||
|
|
static volatile int _device_addr;
|
||
|
|
|
||
|
|
static int _sidx = 0;;
|
||
|
|
|
||
|
|
/*--------------------------------------------------------------------------*/
|
||
|
|
/* Memory alloc/free recording */
|
||
|
|
/*--------------------------------------------------------------------------*/
|
||
|
|
|
||
|
|
void usbh_memory_init(void)
|
||
|
|
{
|
||
|
|
if (sizeof(TD_T) > MEM_POOL_UNIT_SIZE)
|
||
|
|
{
|
||
|
|
USB_error("TD_T - MEM_POOL_UNIT_SIZE too small!\n");
|
||
|
|
while (1);
|
||
|
|
}
|
||
|
|
|
||
|
|
if (sizeof(ED_T) > MEM_POOL_UNIT_SIZE)
|
||
|
|
{
|
||
|
|
USB_error("ED_T - MEM_POOL_UNIT_SIZE too small!\n");
|
||
|
|
while (1);
|
||
|
|
}
|
||
|
|
|
||
|
|
_usbh_mem_used = 0L;
|
||
|
|
_usbh_max_mem_used = 0L;
|
||
|
|
|
||
|
|
memset(_unit_used, 0, sizeof(_unit_used));
|
||
|
|
_mem_pool_used = 0;
|
||
|
|
_sidx = 0;
|
||
|
|
|
||
|
|
g_udev_list = NULL;
|
||
|
|
|
||
|
|
memset(_dev_addr_pool, 0, sizeof(_dev_addr_pool));
|
||
|
|
_device_addr = 1;
|
||
|
|
}
|
||
|
|
|
||
|
|
uint32_t usbh_memory_used(void)
|
||
|
|
{
|
||
|
|
rt_kprintf("USB static memory: %d/%d, heap used: %d\n", _mem_pool_used, MEM_POOL_UNIT_NUM, _usbh_mem_used);
|
||
|
|
return _usbh_mem_used;
|
||
|
|
}
|
||
|
|
|
||
|
|
static void memory_counter(int size)
|
||
|
|
{
|
||
|
|
_usbh_mem_used += size;
|
||
|
|
if (_usbh_mem_used > _usbh_max_mem_used)
|
||
|
|
_usbh_max_mem_used = _usbh_mem_used;
|
||
|
|
}
|
||
|
|
|
||
|
|
void *usbh_alloc_mem(int size)
|
||
|
|
{
|
||
|
|
void *p;
|
||
|
|
|
||
|
|
p = malloc(size);
|
||
|
|
if (p == NULL)
|
||
|
|
{
|
||
|
|
USB_error("usbh_alloc_mem failed! %d\n", size);
|
||
|
|
return NULL;
|
||
|
|
}
|
||
|
|
|
||
|
|
memset(p, 0, size);
|
||
|
|
memory_counter(size);
|
||
|
|
return p;
|
||
|
|
}
|
||
|
|
|
||
|
|
void usbh_free_mem(void *p, int size)
|
||
|
|
{
|
||
|
|
free(p);
|
||
|
|
memory_counter(0 - size);
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
/*--------------------------------------------------------------------------*/
|
||
|
|
/* USB device allocate/free */
|
||
|
|
/*--------------------------------------------------------------------------*/
|
||
|
|
|
||
|
|
UDEV_T *alloc_device(void)
|
||
|
|
{
|
||
|
|
UDEV_T *udev;
|
||
|
|
|
||
|
|
udev = malloc(sizeof(*udev));
|
||
|
|
if (udev == NULL)
|
||
|
|
{
|
||
|
|
USB_error("alloc_device failed!\n");
|
||
|
|
return NULL;
|
||
|
|
}
|
||
|
|
memset(udev, 0, sizeof(*udev));
|
||
|
|
memory_counter(sizeof(*udev));
|
||
|
|
udev->cur_conf = -1; /* must! used to identify the first SET CONFIGURATION */
|
||
|
|
udev->next = g_udev_list; /* chain to global device list */
|
||
|
|
g_udev_list = udev;
|
||
|
|
return udev;
|
||
|
|
}
|
||
|
|
|
||
|
|
void free_device(UDEV_T *udev)
|
||
|
|
{
|
||
|
|
UDEV_T *d;
|
||
|
|
|
||
|
|
if (udev == NULL)
|
||
|
|
return;
|
||
|
|
|
||
|
|
if (udev->cfd_buff != NULL)
|
||
|
|
usbh_free_mem(udev->cfd_buff, MAX_DESC_BUFF_SIZE);
|
||
|
|
|
||
|
|
/*
|
||
|
|
* Remove it from the global device list
|
||
|
|
*/
|
||
|
|
if (g_udev_list == udev)
|
||
|
|
{
|
||
|
|
g_udev_list = g_udev_list->next;
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
d = g_udev_list;
|
||
|
|
while (d != NULL)
|
||
|
|
{
|
||
|
|
if (d->next == udev)
|
||
|
|
{
|
||
|
|
d->next = udev->next;
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
d = d->next;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
free(udev);
|
||
|
|
memory_counter(-sizeof(*udev));
|
||
|
|
}
|
||
|
|
|
||
|
|
int alloc_dev_address(void)
|
||
|
|
{
|
||
|
|
_device_addr++;
|
||
|
|
|
||
|
|
if (_device_addr >= 128)
|
||
|
|
_device_addr = 1;
|
||
|
|
|
||
|
|
while (1)
|
||
|
|
{
|
||
|
|
if (_dev_addr_pool[_device_addr] == 0)
|
||
|
|
{
|
||
|
|
_dev_addr_pool[_device_addr] = 1;
|
||
|
|
return _device_addr;
|
||
|
|
}
|
||
|
|
_device_addr++;
|
||
|
|
if (_device_addr >= 128)
|
||
|
|
_device_addr = 1;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
void free_dev_address(int dev_addr)
|
||
|
|
{
|
||
|
|
if (dev_addr < 128)
|
||
|
|
_dev_addr_pool[dev_addr] = 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
/*--------------------------------------------------------------------------*/
|
||
|
|
/* UTR (USB Transfer Request) allocate/free */
|
||
|
|
/*--------------------------------------------------------------------------*/
|
||
|
|
|
||
|
|
UTR_T *alloc_utr(UDEV_T *udev)
|
||
|
|
{
|
||
|
|
UTR_T *utr;
|
||
|
|
|
||
|
|
utr = malloc(sizeof(*utr));
|
||
|
|
if (utr == NULL)
|
||
|
|
{
|
||
|
|
USB_error("alloc_utr failed!\n");
|
||
|
|
return NULL;
|
||
|
|
}
|
||
|
|
memory_counter(sizeof(*utr));
|
||
|
|
memset(utr, 0, sizeof(*utr));
|
||
|
|
utr->udev = udev;
|
||
|
|
mem_debug("[ALLOC] [UTR] - 0x%x\n", (int)utr);
|
||
|
|
return utr;
|
||
|
|
}
|
||
|
|
|
||
|
|
void free_utr(UTR_T *utr)
|
||
|
|
{
|
||
|
|
if (utr == NULL)
|
||
|
|
return;
|
||
|
|
|
||
|
|
mem_debug("[FREE] [UTR] - 0x%x\n", (int)utr);
|
||
|
|
free(utr);
|
||
|
|
memory_counter(0 - (int)sizeof(*utr));
|
||
|
|
}
|
||
|
|
|
||
|
|
/*--------------------------------------------------------------------------*/
|
||
|
|
/* OHCI ED allocate/free */
|
||
|
|
/*--------------------------------------------------------------------------*/
|
||
|
|
|
||
|
|
ED_T *alloc_ohci_ED(void)
|
||
|
|
{
|
||
|
|
int i;
|
||
|
|
ED_T *ed;
|
||
|
|
|
||
|
|
for (i = 0; i < MEM_POOL_UNIT_NUM; i++)
|
||
|
|
{
|
||
|
|
if (_unit_used[i] == 0)
|
||
|
|
{
|
||
|
|
_unit_used[i] = 1;
|
||
|
|
_mem_pool_used++;
|
||
|
|
ed = (ED_T *)&_mem_pool[i];
|
||
|
|
memset(ed, 0, sizeof(*ed));
|
||
|
|
mem_debug("[ALLOC] [ED] - 0x%x\n", (int)ed);
|
||
|
|
return ed;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
USB_error("alloc_ohci_ED failed!\n");
|
||
|
|
return NULL;
|
||
|
|
}
|
||
|
|
|
||
|
|
void free_ohci_ED(ED_T *ed)
|
||
|
|
{
|
||
|
|
int i;
|
||
|
|
|
||
|
|
for (i = 0; i < MEM_POOL_UNIT_NUM; i++)
|
||
|
|
{
|
||
|
|
if ((uint32_t)&_mem_pool[i] == (uint32_t)ed)
|
||
|
|
{
|
||
|
|
mem_debug("[FREE] [ED] - 0x%x\n", (int)ed);
|
||
|
|
_unit_used[i] = 0;
|
||
|
|
_mem_pool_used--;
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
USB_debug("free_ohci_ED - not found! (ignored in case of multiple UTR)\n");
|
||
|
|
}
|
||
|
|
|
||
|
|
/*--------------------------------------------------------------------------*/
|
||
|
|
/* OHCI TD allocate/free */
|
||
|
|
/*--------------------------------------------------------------------------*/
|
||
|
|
TD_T *alloc_ohci_TD(UTR_T *utr)
|
||
|
|
{
|
||
|
|
int i;
|
||
|
|
TD_T *td;
|
||
|
|
|
||
|
|
for (i = 0; i < MEM_POOL_UNIT_NUM; i++)
|
||
|
|
{
|
||
|
|
if (_unit_used[i] == 0)
|
||
|
|
{
|
||
|
|
_unit_used[i] = 1;
|
||
|
|
_mem_pool_used++;
|
||
|
|
td = (TD_T *)&_mem_pool[i];
|
||
|
|
|
||
|
|
memset(td, 0, sizeof(*td));
|
||
|
|
td->utr = utr;
|
||
|
|
mem_debug("[ALLOC] [TD] - 0x%x\n", (int)td);
|
||
|
|
return td;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
USB_error("alloc_ohci_TD failed!\n");
|
||
|
|
return NULL;
|
||
|
|
}
|
||
|
|
|
||
|
|
void free_ohci_TD(TD_T *td)
|
||
|
|
{
|
||
|
|
int i;
|
||
|
|
|
||
|
|
for (i = 0; i < MEM_POOL_UNIT_NUM; i++)
|
||
|
|
{
|
||
|
|
if ((uint32_t)&_mem_pool[i] == (uint32_t)td)
|
||
|
|
{
|
||
|
|
mem_debug("[FREE] [TD] - 0x%x\n", (int)td);
|
||
|
|
_unit_used[i] = 0;
|
||
|
|
_mem_pool_used--;
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
USB_error("free_ohci_TD - not found!\n");
|
||
|
|
}
|
||
|
|
|
||
|
|
/*--------------------------------------------------------------------------*/
|
||
|
|
/* EHCI QH allocate/free */
|
||
|
|
/*--------------------------------------------------------------------------*/
|
||
|
|
QH_T *alloc_ehci_QH(void)
|
||
|
|
{
|
||
|
|
int i;
|
||
|
|
QH_T *qh = NULL;
|
||
|
|
|
||
|
|
for (i = (_sidx + 1) % MEM_POOL_UNIT_NUM; i != _sidx; i = (i + 1) % MEM_POOL_UNIT_NUM)
|
||
|
|
{
|
||
|
|
if (_unit_used[i] == 0)
|
||
|
|
{
|
||
|
|
_unit_used[i] = 1;
|
||
|
|
_sidx = i;
|
||
|
|
_mem_pool_used++;
|
||
|
|
qh = (QH_T *)&_mem_pool[i];
|
||
|
|
memset(qh, 0, sizeof(*qh));
|
||
|
|
mem_debug("[ALLOC] [QH] - 0x%x\n", (int)qh);
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
if (qh == NULL)
|
||
|
|
{
|
||
|
|
USB_error("alloc_ehci_QH failed!\n");
|
||
|
|
return NULL;
|
||
|
|
}
|
||
|
|
qh->Curr_qTD = QTD_LIST_END;
|
||
|
|
qh->OL_Next_qTD = QTD_LIST_END;
|
||
|
|
qh->OL_Alt_Next_qTD = QTD_LIST_END;
|
||
|
|
qh->OL_Token = QTD_STS_HALT;
|
||
|
|
return qh;
|
||
|
|
}
|
||
|
|
|
||
|
|
void free_ehci_QH(QH_T *qh)
|
||
|
|
{
|
||
|
|
int i;
|
||
|
|
|
||
|
|
for (i = 0; i < MEM_POOL_UNIT_NUM; i++)
|
||
|
|
{
|
||
|
|
if ((uint32_t)&_mem_pool[i] == (uint32_t)qh)
|
||
|
|
{
|
||
|
|
mem_debug("[FREE] [QH] - 0x%x\n", (int)qh);
|
||
|
|
_unit_used[i] = 0;
|
||
|
|
_mem_pool_used--;
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
USB_debug("free_ehci_QH - not found! (ignored in case of multiple UTR)\n");
|
||
|
|
}
|
||
|
|
|
||
|
|
/*--------------------------------------------------------------------------*/
|
||
|
|
/* EHCI qTD allocate/free */
|
||
|
|
/*--------------------------------------------------------------------------*/
|
||
|
|
qTD_T *alloc_ehci_qTD(UTR_T *utr)
|
||
|
|
{
|
||
|
|
int i;
|
||
|
|
qTD_T *qtd;
|
||
|
|
|
||
|
|
for (i = (_sidx + 1) % MEM_POOL_UNIT_NUM; i != _sidx; i = (i + 1) % MEM_POOL_UNIT_NUM)
|
||
|
|
{
|
||
|
|
if (_unit_used[i] == 0)
|
||
|
|
{
|
||
|
|
_unit_used[i] = 1;
|
||
|
|
_sidx = i;
|
||
|
|
_mem_pool_used++;
|
||
|
|
qtd = (qTD_T *)&_mem_pool[i];
|
||
|
|
|
||
|
|
memset(qtd, 0, sizeof(*qtd));
|
||
|
|
qtd->Next_qTD = QTD_LIST_END;
|
||
|
|
qtd->Alt_Next_qTD = QTD_LIST_END;
|
||
|
|
qtd->Token = 0x1197B3F; // QTD_STS_HALT; visit_qtd() will not remove a qTD with this mark. It means the qTD still not ready for transfer.
|
||
|
|
qtd->utr = utr;
|
||
|
|
mem_debug("[ALLOC] [qTD] - 0x%x\n", (int)qtd);
|
||
|
|
return qtd;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
USB_error("alloc_ehci_qTD failed!\n");
|
||
|
|
return NULL;
|
||
|
|
}
|
||
|
|
|
||
|
|
void free_ehci_qTD(qTD_T *qtd)
|
||
|
|
{
|
||
|
|
int i;
|
||
|
|
|
||
|
|
for (i = 0; i < MEM_POOL_UNIT_NUM; i++)
|
||
|
|
{
|
||
|
|
if ((uint32_t)&_mem_pool[i] == (uint32_t)qtd)
|
||
|
|
{
|
||
|
|
mem_debug("[FREE] [qTD] - 0x%x\n", (int)qtd);
|
||
|
|
_unit_used[i] = 0;
|
||
|
|
_mem_pool_used--;
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
USB_error("free_ehci_qTD 0x%x - not found!\n", (int)qtd);
|
||
|
|
}
|
||
|
|
|
||
|
|
/*--------------------------------------------------------------------------*/
|
||
|
|
/* EHCI iTD allocate/free */
|
||
|
|
/*--------------------------------------------------------------------------*/
|
||
|
|
iTD_T *alloc_ehci_iTD(void)
|
||
|
|
{
|
||
|
|
int i;
|
||
|
|
iTD_T *itd;
|
||
|
|
|
||
|
|
for (i = (_sidx + 1) % MEM_POOL_UNIT_NUM; i != _sidx; i = (i + 1) % MEM_POOL_UNIT_NUM)
|
||
|
|
{
|
||
|
|
if (i + 2 >= MEM_POOL_UNIT_NUM)
|
||
|
|
continue;
|
||
|
|
|
||
|
|
if ((_unit_used[i] == 0) && (_unit_used[i + 1] == 0))
|
||
|
|
{
|
||
|
|
_unit_used[i] = _unit_used[i + 1] = 1;
|
||
|
|
_sidx = i + 1;
|
||
|
|
_mem_pool_used += 2;
|
||
|
|
itd = (iTD_T *)&_mem_pool[i];
|
||
|
|
memset(itd, 0, sizeof(*itd));
|
||
|
|
mem_debug("[ALLOC] [iTD] - 0x%x\n", (int)itd);
|
||
|
|
return itd;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
USB_error("alloc_ehci_iTD failed!\n");
|
||
|
|
return NULL;
|
||
|
|
}
|
||
|
|
|
||
|
|
void free_ehci_iTD(iTD_T *itd)
|
||
|
|
{
|
||
|
|
int i;
|
||
|
|
|
||
|
|
for (i = 0; i + 1 < MEM_POOL_UNIT_NUM; i++)
|
||
|
|
{
|
||
|
|
if ((uint32_t)&_mem_pool[i] == (uint32_t)itd)
|
||
|
|
{
|
||
|
|
mem_debug("[FREE] [iTD] - 0x%x\n", (int)itd);
|
||
|
|
_unit_used[i] = _unit_used[i + 1] = 0;
|
||
|
|
_mem_pool_used -= 2;
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
USB_error("free_ehci_iTD 0x%x - not found!\n", (int)itd);
|
||
|
|
}
|
||
|
|
|
||
|
|
/*--------------------------------------------------------------------------*/
|
||
|
|
/* EHCI iTD allocate/free */
|
||
|
|
/*--------------------------------------------------------------------------*/
|
||
|
|
siTD_T *alloc_ehci_siTD(void)
|
||
|
|
{
|
||
|
|
int i;
|
||
|
|
siTD_T *sitd;
|
||
|
|
|
||
|
|
for (i = (_sidx + 1) % MEM_POOL_UNIT_NUM; i != _sidx; i = (i + 1) % MEM_POOL_UNIT_NUM)
|
||
|
|
{
|
||
|
|
if (_unit_used[i] == 0)
|
||
|
|
{
|
||
|
|
_unit_used[i] = 1;
|
||
|
|
_sidx = i;
|
||
|
|
_mem_pool_used ++;
|
||
|
|
sitd = (siTD_T *)&_mem_pool[i];
|
||
|
|
memset(sitd, 0, sizeof(*sitd));
|
||
|
|
mem_debug("[ALLOC] [siTD] - 0x%x\n", (int)sitd);
|
||
|
|
return sitd;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
USB_error("alloc_ehci_siTD failed!\n");
|
||
|
|
return NULL;
|
||
|
|
}
|
||
|
|
|
||
|
|
void free_ehci_siTD(siTD_T *sitd)
|
||
|
|
{
|
||
|
|
int i;
|
||
|
|
|
||
|
|
for (i = 0; i < MEM_POOL_UNIT_NUM; i++)
|
||
|
|
{
|
||
|
|
if ((uint32_t)&_mem_pool[i] == (uint32_t)sitd)
|
||
|
|
{
|
||
|
|
mem_debug("[FREE] [siTD] - 0x%x\n", (int)sitd);
|
||
|
|
_unit_used[i] = 0;
|
||
|
|
_mem_pool_used--;
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
USB_error("free_ehci_siTD 0x%x - not found!\n", (int)sitd);
|
||
|
|
}
|
||
|
|
|
||
|
|
/// @endcond HIDDEN_SYMBOLS
|
||
|
|
|
||
|
|
/*** (C) COPYRIGHT 2017 Nuvoton Technology Corp. ***/
|
||
|
|
|