remove duplicate mm32 dcd

1 files changed, 0 insertions, 471 deletions

diff --git a/src/portable/mm32/dcd_mm32f327x_otg.c b/src/portable/mm32/dcd_mm32f327x_otg.c
deleted file mode 100644
index e7518830e..000000000
--- a/src/portable/mm32/dcd_mm32f327x_otg.c
+++ /dev/null
@@ -1,471 +0,0 @@
-/* 
- * The MIT License (MIT)
- *
- * Copyright (c) 2020 SE TEAM
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
- * THE SOFTWARE.
- *
- * This file is part of the TinyUSB stack.
- */
-
-#include "tusb_option.h"
-#include "reg_usb_otg_fs.h"
-#include "mm32_device.h"
-#include "hal_conf.h"
-
-#if TUSB_OPT_DEVICE_ENABLED && ( CFG_TUSB_MCU == OPT_MCU_MM32F327X )
-
-#include "device/dcd.h"
-
-//--------------------------------------------------------------------+
-// MACRO TYPEDEF CONSTANT ENUM DECLARATION
-//--------------------------------------------------------------------+
-
-enum {
-  TOK_PID_OUT   = 0x1u,
-  TOK_PID_IN    = 0x9u,
-  TOK_PID_SETUP = 0xDu,
-};
-
-typedef struct TU_ATTR_PACKED
-{
-  union {
-    uint32_t head;
-    struct {
-      union {
-        struct {
-          uint16_t          :  2;
-          uint16_t tok_pid  :  4;
-          uint16_t data     :  1;
-          uint16_t own      :  1;
-          uint16_t          :  8;
-        };
-        struct {
-          uint16_t          :  2;
-          uint16_t bdt_stall:  1;
-          uint16_t dts      :  1;
-          uint16_t ninc     :  1;
-          uint16_t keep     :  1;
-          uint16_t          : 10;
-        };
-      };
-      uint16_t bc          : 10;
-      uint16_t             :  6;
-    };
-  };
-  uint8_t *addr;
-}buffer_descriptor_t;
-
-TU_VERIFY_STATIC( sizeof(buffer_descriptor_t) == 8, "size is not correct" );
-
-typedef struct TU_ATTR_PACKED
-{
-  union {
-    uint32_t state;
-    struct {
-      uint32_t max_packet_size :11;
-      uint32_t                 : 5;
-      uint32_t odd             : 1;
-      uint32_t                 :15;
-    };
-  };
-  uint16_t length;
-  uint16_t remaining;
-}endpoint_state_t;
-
-TU_VERIFY_STATIC( sizeof(endpoint_state_t) == 8, "size is not correct" );
-
-typedef struct
-{
-  union {
-    /* [#EP][OUT,IN][EVEN,ODD] */
-    buffer_descriptor_t bdt[16][2][2];
-    uint16_t            bda[512];
-  };
-  TU_ATTR_ALIGNED(4) union {
-    endpoint_state_t endpoint[16][2];
-    endpoint_state_t endpoint_unified[16 * 2];
-  };
-  uint8_t setup_packet[8];
-  uint8_t addr;
-}dcd_data_t;
-
-//--------------------------------------------------------------------+
-// INTERNAL OBJECT & FUNCTION DECLARATION
-//--------------------------------------------------------------------+
-// BDT(Buffer Descriptor Table) must be 256-byte aligned
-CFG_TUSB_MEM_SECTION TU_ATTR_ALIGNED(512) static dcd_data_t _dcd;
-
-TU_VERIFY_STATIC( sizeof(_dcd.bdt) == 512, "size is not correct" );
-
-static void prepare_next_setup_packet(uint8_t rhport)
-{
-  const unsigned out_odd = _dcd.endpoint[0][0].odd;
-  const unsigned in_odd  = _dcd.endpoint[0][1].odd;
-  if (_dcd.bdt[0][0][out_odd].own) {
-    TU_LOG1("DCD fail to prepare the next SETUP %d %d\r\n", out_odd, in_odd);
-    return;
-  }
-  _dcd.bdt[0][0][out_odd].data     = 0;
-  _dcd.bdt[0][0][out_odd ^ 1].data = 1;
-  _dcd.bdt[0][1][in_odd].data      = 1;
-  _dcd.bdt[0][1][in_odd ^ 1].data  = 0;
-  dcd_edpt_xfer(rhport, tu_edpt_addr(0, TUSB_DIR_OUT),
-                _dcd.setup_packet, sizeof(_dcd.setup_packet));
-}
-
-static void process_stall(uint8_t rhport)
-{
-  if (USB_OTG_FS->EP_CTL[0] & USB_ENDPT_EPSTALL_MASK) {
-    /* clear stall condition of the control pipe */
-    prepare_next_setup_packet(rhport);
-    USB_OTG_FS->EP_CTL[0] &= ~USB_ENDPT_EPSTALL_MASK;
-  }
-}
-
-static void process_tokdne(uint8_t rhport)
-{
-  const unsigned s = USB_OTG_FS->STAT;
-  USB_OTG_FS->INT_STAT = USB_ISTAT_TOKDNE_MASK; /* fetch the next token if received */
-  buffer_descriptor_t *bd = (buffer_descriptor_t *)&_dcd.bda[s];
-  endpoint_state_t    *ep = &_dcd.endpoint_unified[s >> 3];
-  unsigned odd = (s & USB_STAT_ODD_MASK) ? 1 : 0;
-
-  /* fetch pid before discarded by the next steps */
-  const unsigned pid = bd->tok_pid;
-  /* reset values for a next transfer */
-  bd->bdt_stall = 0;
-  bd->dts       = 1;
-  bd->ninc      = 0;
-  bd->keep      = 0;
-  /* update the odd variable to prepare for the next transfer */
-  ep->odd       = odd ^ 1;
-  if (pid == TOK_PID_SETUP) {
-    dcd_event_setup_received(rhport, bd->addr, true);
-    USB_OTG_FS->CTL &= ~USB_CTL_TXSUSPENDTOKENBUSY_MASK;
-    return;
-  }
-  if (s >> 4) {
-    TU_LOG1("TKDNE %x\r\n", s);
-  }
-
-  const unsigned bc = bd->bc;
-  const unsigned remaining = ep->remaining - bc;
-  if (remaining && bc == ep->max_packet_size) {
-    /* continue the transferring consecutive data */
-    ep->remaining = remaining;
-    const int next_remaining = remaining - ep->max_packet_size;
-    if (next_remaining > 0) {
-      /* prepare to the after next transfer */
-      bd->addr += ep->max_packet_size * 2;
-      bd->bc    = next_remaining > ep->max_packet_size ? ep->max_packet_size: next_remaining;
-      __DSB();
-      bd->own   = 1; /* the own bit must set after addr */
-    }
-    return;
-  }
-  const unsigned length = ep->length;
-  dcd_event_xfer_complete(rhport,
-                          ((s & USB_STAT_TX_MASK) << 4) | (s >> USB_STAT_ENDP_SHIFT),
-                          length - remaining, XFER_RESULT_SUCCESS, true);
-  if (0 == (s & USB_STAT_ENDP_MASK) && 0 == length) {
-    /* After completion a ZLP of control transfer,
-     * it prepares for the next steup transfer. */
-    if (_dcd.addr) {
-      /* When the transfer was the SetAddress,
-       * the device address should be updated here. */
-      USB_OTG_FS->ADDR = _dcd.addr;
-      _dcd.addr  = 0;
-    }
-    prepare_next_setup_packet(rhport);
-  }
-}
-
-static void process_bus_reset(uint8_t rhport)
-{
-  USB_OTG_FS->CTL     |= USB_CTL_ODDRST_MASK;
-  USB_OTG_FS->ADDR     = 0;
-  USB_OTG_FS->INT_ENB    = (USB_OTG_FS->INT_ENB & ~USB_INTEN_RESUMEEN_MASK) | USB_INTEN_SLEEPEN_MASK;
-
-  USB_OTG_FS->EP_CTL[0] = USB_ENDPT_EPHSHK_MASK | USB_ENDPT_EPRXEN_MASK | USB_ENDPT_EPTXEN_MASK;
-  for (unsigned i = 1; i < 16; ++i) {
-    USB_OTG_FS->EP_CTL[i] = 0;
-  }
-  buffer_descriptor_t *bd = _dcd.bdt[0][0];
-  for (unsigned i = 0; i < sizeof(_dcd.bdt)/sizeof(*bd); ++i, ++bd) {
-    bd->head = 0;
-  }
-  const endpoint_state_t ep0 = {
-    .max_packet_size = CFG_TUD_ENDPOINT0_SIZE,
-    .odd             = 0,
-    .length          = 0,
-    .remaining       = 0,
-  };
-  _dcd.endpoint[0][0] = ep0;
-  _dcd.endpoint[0][1] = ep0;
-  tu_memclr(_dcd.endpoint[1], sizeof(_dcd.endpoint) - sizeof(_dcd.endpoint[0]));
-  _dcd.addr = 0;
-  prepare_next_setup_packet(rhport);
-  USB_OTG_FS->CTL &= ~USB_CTL_ODDRST_MASK;
-  dcd_event_bus_reset(rhport, TUSB_SPEED_FULL, true);
-}
-
-static void process_bus_inactive(uint8_t rhport)
-{
-  (void) rhport;
-  const unsigned inten = USB_OTG_FS->INT_ENB;
-  USB_OTG_FS->INT_ENB    = (inten & ~USB_INTEN_SLEEPEN_MASK) | USB_INTEN_RESUMEEN_MASK;
-  dcd_event_bus_signal(rhport, DCD_EVENT_SUSPEND, true);
-}
-
-static void process_bus_active(uint8_t rhport)
-{
-  (void) rhport;
-  const unsigned inten = USB_OTG_FS->INT_ENB;
-  USB_OTG_FS->INT_ENB    = (inten & ~USB_INTEN_RESUMEEN_MASK) | USB_INTEN_SLEEPEN_MASK;
-  dcd_event_bus_signal(rhport, DCD_EVENT_RESUME, true);
-}
-
-/*------------------------------------------------------------------*/
-/* Device API
- *------------------------------------------------------------------*/
-void dcd_init(uint8_t rhport)
-{
-  (void) rhport;
-
-  tu_memclr(&_dcd, sizeof(_dcd));
-  USB_OTG_FS->BDT_PAGE_01 = (uint8_t)((uintptr_t)_dcd.bdt >>  8);
-  USB_OTG_FS->BDT_PAGE_02 = (uint8_t)((uintptr_t)_dcd.bdt >> 16);
-  USB_OTG_FS->BDT_PAGE_03 = (uint8_t)((uintptr_t)_dcd.bdt >> 24);
-
-  dcd_connect(rhport);
-  NVIC_ClearPendingIRQ(USB_FS_IRQn);
-}
-#define USB_DEVICE_INTERRUPT_PRIORITY (3U)
-void dcd_int_enable(uint8_t rhport)
-{
-  uint8_t irqNumber;
-  irqNumber = USB_FS_IRQn;
-  (void) rhport;
-  USB_OTG_FS->INT_ENB = USB_INTEN_USBRSTEN_MASK | USB_INTEN_TOKDNEEN_MASK |
-    USB_INTEN_SLEEPEN_MASK | USB_INTEN_ERROREN_MASK | USB_INTEN_STALLEN_MASK;
-  NVIC_SetPriority((IRQn_Type)irqNumber, USB_DEVICE_INTERRUPT_PRIORITY);
-  NVIC_EnableIRQ(USB_FS_IRQn);
-}
-
-void dcd_int_disable(uint8_t rhport)
-{
-  (void) rhport;
-  NVIC_DisableIRQ(USB_FS_IRQn);
-  USB_OTG_FS->INT_ENB = 0;
-}
-
-void dcd_set_address(uint8_t rhport, uint8_t dev_addr)
-{
-  (void) rhport;
-  _dcd.addr = dev_addr & 0x7F;
-  /* Response with status first before changing device address */
-  dcd_edpt_xfer(rhport, tu_edpt_addr(0, TUSB_DIR_IN), NULL, 0);
-}
-extern u32 SystemCoreClock ;
-void dcd_remote_wakeup(uint8_t rhport)
-{
-  (void) rhport;
-  unsigned cnt = SystemCoreClock / 100;
-  USB_OTG_FS->CTL |= USB_CTL_RESUME_MASK;
-  while (cnt--) __NOP();
-  USB_OTG_FS->CTL &= ~USB_CTL_RESUME_MASK;
-}
-
-void dcd_connect(uint8_t rhport)
-{
-  (void) rhport;
-  USB_OTG_FS->CTL     |= USB_CTL_USBENSOFEN_MASK;
-}
-
-void dcd_disconnect(uint8_t rhport)
-{
-  (void) rhport;
-  USB_OTG_FS->CTL      = 0;
-}
-
-//--------------------------------------------------------------------+
-// Endpoint API
-//--------------------------------------------------------------------+
-bool dcd_edpt_open(uint8_t rhport, tusb_desc_endpoint_t const * ep_desc)
-{
-  (void) rhport;
-
-  const unsigned ep_addr  = ep_desc->bEndpointAddress;
-  const unsigned epn      = ep_addr & 0xFu;
-  const unsigned dir      = (ep_addr & TUSB_DIR_IN_MASK) ? TUSB_DIR_IN : TUSB_DIR_OUT;
-  const unsigned xfer     = ep_desc->bmAttributes.xfer;
-  endpoint_state_t *ep    = &_dcd.endpoint[epn][dir];
-  const unsigned odd      = ep->odd;
-  buffer_descriptor_t *bd = &_dcd.bdt[epn][dir][0];
-
-  /* No support for control transfer */
-  TU_ASSERT(epn && (xfer != TUSB_XFER_CONTROL));
-
-  ep->max_packet_size = ep_desc->wMaxPacketSize.size;
-  unsigned val = USB_ENDPT_EPCTLDIS_MASK;
-  val |= (xfer != TUSB_XFER_ISOCHRONOUS) ? USB_ENDPT_EPHSHK_MASK: 0;
-  val |= dir ? USB_ENDPT_EPTXEN_MASK : USB_ENDPT_EPRXEN_MASK;
-  USB_OTG_FS->EP_CTL[epn] |= val;
-
-  if (xfer != TUSB_XFER_ISOCHRONOUS) {
-    bd[odd].dts      = 1;
-    bd[odd].data     = 0;
-    bd[odd ^ 1].dts  = 1;
-    bd[odd ^ 1].data = 1;
-  }
-
-  return true;
-}
-
-void dcd_edpt_close(uint8_t rhport, uint8_t ep_addr)
-{
-  (void) rhport;
-
-  const unsigned epn      = ep_addr & 0xFu;
-  const unsigned dir      = (ep_addr & TUSB_DIR_IN_MASK) ? TUSB_DIR_IN : TUSB_DIR_OUT;
-  endpoint_state_t *ep    = &_dcd.endpoint[epn][dir];
-  buffer_descriptor_t *bd = &_dcd.bdt[epn][dir][0];
-  const unsigned msk      = dir ? USB_ENDPT_EPTXEN_MASK : USB_ENDPT_EPRXEN_MASK;
-  USB_OTG_FS->EP_CTL[epn] &= ~msk;
-  ep->max_packet_size = 0;
-  ep->length          = 0;
-  ep->remaining       = 0;
-  bd->head            = 0;
-}
-
-bool dcd_edpt_xfer(uint8_t rhport, uint8_t ep_addr, uint8_t* buffer, uint16_t total_bytes)
-{
-  (void) rhport;
-  NVIC_DisableIRQ(USB_FS_IRQn);
-  const unsigned epn = ep_addr & 0xFu;
-  const unsigned dir = (ep_addr & TUSB_DIR_IN_MASK) ? TUSB_DIR_IN : TUSB_DIR_OUT;
-  endpoint_state_t    *ep = &_dcd.endpoint[epn][dir];
-  buffer_descriptor_t *bd = &_dcd.bdt[epn][dir][ep->odd];
-
-  if (bd->own) {
-    TU_LOG1("DCD XFER fail %x %d %lx %lx\r\n", ep_addr, total_bytes, ep->state, bd->head);
-    return false; /* The last transfer has not completed */
-  }
-  ep->length    = total_bytes;
-  ep->remaining = total_bytes;
-
-  const unsigned mps = ep->max_packet_size;
-  if (total_bytes > mps) {
-    buffer_descriptor_t *next = ep->odd ? bd - 1: bd + 1;
-    /* When total_bytes is greater than the max packet size,
-     * it prepares to the next transfer to avoid NAK in advance. */
-    next->bc   = total_bytes >= 2 * mps ? mps: total_bytes - mps;
-    next->addr = buffer + mps;
-    next->own  = 1;
-  }
-  bd->bc        = total_bytes >= mps ? mps: total_bytes;
-  bd->addr      = buffer;
-  __DSB();
-  bd->own  = 1; /* the own bit must set after addr */
-  NVIC_EnableIRQ(USB_FS_IRQn);
-  return true;
-}
-
-void dcd_edpt_stall(uint8_t rhport, uint8_t ep_addr)
-{
-  (void) rhport;
-  const unsigned epn = ep_addr & 0xFu;
-  if (0 == epn) {
-    USB_OTG_FS->EP_CTL[epn] |=  USB_ENDPT_EPSTALL_MASK;
-  } else {
-    const unsigned dir      = (ep_addr & TUSB_DIR_IN_MASK) ? TUSB_DIR_IN : TUSB_DIR_OUT;
-    buffer_descriptor_t *bd = _dcd.bdt[epn][dir];
-    bd[0].bdt_stall = 1;
-    bd[1].bdt_stall = 1;
-  }
-}
-
-void dcd_edpt_clear_stall(uint8_t rhport, uint8_t ep_addr)
-{
-  (void) rhport;
-  const unsigned epn      = ep_addr & 0xFu;
-  const unsigned dir      = (ep_addr & TUSB_DIR_IN_MASK) ? TUSB_DIR_IN : TUSB_DIR_OUT;
-  const unsigned odd      = _dcd.endpoint[epn][dir].odd;
-  buffer_descriptor_t *bd = _dcd.bdt[epn][dir];
-
-  bd[odd ^ 1].own       = 0;
-  bd[odd ^ 1].data      = 1;
-  bd[odd ^ 1].bdt_stall = 0;
-  bd[odd].own           = 0;
-  bd[odd].data          = 0;
-  bd[odd].bdt_stall     = 0;
-}
-
-//--------------------------------------------------------------------+
-// ISR
-//--------------------------------------------------------------------+
-void dcd_int_handler(uint8_t rhport)
-{
-  (void) rhport;
-
-  uint32_t is  = USB_OTG_FS->INT_STAT;
-  uint32_t msk = USB_OTG_FS->INT_ENB;
-  USB_OTG_FS->INT_STAT = is & ~msk;
-  is &= msk;
-  if (is & USB_ISTAT_ERROR_MASK) {
-    /* TODO: */
-    uint32_t es = USB_OTG_FS->ERR_STAT;
-    USB_OTG_FS->ERR_STAT = es;
-    USB_OTG_FS->INT_STAT   = is; /* discard any pending events */
-    return;
-  }
-
-  if (is & USB_ISTAT_USBRST_MASK) {
-    USB_OTG_FS->INT_STAT = is; /* discard any pending events */
-    process_bus_reset(rhport);
-    return;
-  }
-  if (is & USB_ISTAT_SLEEP_MASK) {
-    USB_OTG_FS->INT_STAT = USB_ISTAT_SLEEP_MASK;
-    process_bus_inactive(rhport);
-    return;
-  }
-  if (is & USB_ISTAT_RESUME_MASK) {
-    USB_OTG_FS->INT_STAT = USB_ISTAT_RESUME_MASK;
-    process_bus_active(rhport);
-    return;
-  }
-  if (is & USB_ISTAT_SOFTOK_MASK) {
-    USB_OTG_FS->INT_STAT = USB_ISTAT_SOFTOK_MASK;
-    dcd_event_bus_signal(rhport, DCD_EVENT_SOF, true);
-    return;
-  }
-  if (is & USB_ISTAT_STALL_MASK) {
-    USB_OTG_FS->INT_STAT = USB_ISTAT_STALL_MASK;
-    process_stall(rhport);
-    return;
-  }
-  if (is & USB_ISTAT_TOKDNE_MASK) {
-    process_tokdne(rhport);
-    return;
-  }
-}
-
-#endif