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Diffstat (limited to 'package/kernel/lantiq/ltq-hcd/src/ifxusb_cif_d.c')
| -rw-r--r-- | package/kernel/lantiq/ltq-hcd/src/ifxusb_cif_d.c | 535 |
1 files changed, 535 insertions, 0 deletions
diff --git a/package/kernel/lantiq/ltq-hcd/src/ifxusb_cif_d.c b/package/kernel/lantiq/ltq-hcd/src/ifxusb_cif_d.c new file mode 100644 index 0000000..19f7650 --- /dev/null +++ b/package/kernel/lantiq/ltq-hcd/src/ifxusb_cif_d.c @@ -0,0 +1,535 @@ +/***************************************************************************** + ** FILE NAME : ifxusb_cif_d.c + ** PROJECT : IFX USB sub-system V3 + ** MODULES : IFX USB sub-system Host and Device driver + ** SRC VERSION : 3.2 + ** DATE : 1/Jan/2011 + ** AUTHOR : Chen, Howard + ** DESCRIPTION : The Core Interface provides basic services for accessing and + ** managing the IFX USB hardware. These services are used by the + ** Peripheral Controller Driver only. + ** FUNCTIONS : + ** COMPILER : gcc + ** REFERENCE : Synopsys DWC-OTG Driver 2.7 + ** COPYRIGHT : Copyright (c) 2010 + ** LANTIQ DEUTSCHLAND GMBH, + ** Am Campeon 3, 85579 Neubiberg, Germany + ** + ** This program is free software; you can redistribute it and/or modify + ** it under the terms of the GNU General Public License as published by + ** the Free Software Foundation; either version 2 of the License, or + ** (at your option) any later version. + ** + ** Version Control Section ** + ** $Author$ + ** $Date$ + ** $Revisions$ + ** $Log$ Revision history + *****************************************************************************/ + +/* + * This file contains code fragments from Synopsys HS OTG Linux Software Driver. + * For this code the following notice is applicable: + * + * ========================================================================== + * + * Synopsys HS OTG Linux Software Driver and documentation (hereinafter, + * "Software") is an Unsupported proprietary work of Synopsys, Inc. unless + * otherwise expressly agreed to in writing between Synopsys and you. + * + * The Software IS NOT an item of Licensed Software or Licensed Product under + * any End User Software License Agreement or Agreement for Licensed Product + * with Synopsys or any supplement thereto. You are permitted to use and + * redistribute this Software in source and binary forms, with or without + * modification, provided that redistributions of source code must retain this + * notice. You may not view, use, disclose, copy or distribute this file or + * any information contained herein except pursuant to this license grant from + * Synopsys. If you do not agree with this notice, including the disclaimer + * below, then you are not authorized to use the Software. + * + * THIS SOFTWARE IS BEING DISTRIBUTED BY SYNOPSYS SOLELY ON AN "AS IS" BASIS + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE HEREBY DISCLAIMED. IN NO EVENT SHALL SYNOPSYS BE LIABLE FOR ANY DIRECT, + * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER + * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH + * DAMAGE. + * ========================================================================== */ + +/*! + \file ifxusb_cif_d.c + \ingroup IFXUSB_DRIVER_V3 + \brief This file contains the interface to the IFX USB Core. +*/ + +#include <linux/version.h> +#include "ifxusb_version.h" + + +#include <asm/byteorder.h> +#include <asm/unaligned.h> + +#ifdef __DEBUG__ + #include <linux/jiffies.h> +#endif + +#include "ifxusb_plat.h" +#include "ifxusb_regs.h" +#include "ifxusb_cif.h" + +#include "ifxpcd.h" + + + +/*! + \brief Initializes the DevSpd field of the DCFG register depending on the PHY type + and the enumeration speed of the device. + \param _core_if Pointer of core_if structure + */ +void ifxusb_dev_init_spd(ifxusb_core_if_t *_core_if) +{ + uint32_t val; + dcfg_data_t dcfg; + + IFX_DEBUGPL(DBG_ENTRY, "%s() %d\n", __func__, __LINE__ ); + if (_core_if->params.speed == IFXUSB_PARAM_SPEED_FULL) + /* High speed PHY running at full speed */ + val = 0x1; + else + /* High speed PHY running at high speed and full speed*/ + val = 0x0; + + IFX_DEBUGPL(DBG_CIL, "Initializing DCFG.DevSpd to 0x%1x\n", val); + dcfg.d32 = ifxusb_rreg(&_core_if->dev_global_regs->dcfg); + dcfg.b.devspd = val; + ifxusb_wreg(&_core_if->dev_global_regs->dcfg, dcfg.d32); +} + + +/*! + \brief This function enables the Device mode interrupts. + \param _core_if Pointer of core_if structure + */ +void ifxusb_dev_enable_interrupts(ifxusb_core_if_t *_core_if) +{ + gint_data_t intr_mask ={ .d32 = 0}; + ifxusb_core_global_regs_t *global_regs = _core_if->core_global_regs; + + IFX_DEBUGPL(DBG_ENTRY, "%s() %d\n", __func__, __LINE__ ); + IFX_DEBUGPL(DBG_CIL, "%s()\n", __func__); + + /* Clear any pending OTG Interrupts */ + ifxusb_wreg( &global_regs->gotgint, 0xFFFFFFFF); + + /* Clear any pending interrupts */ + ifxusb_wreg( &global_regs->gintsts, 0xFFFFFFFF); + + /* Enable the interrupts in the GINTMSK.*/ + intr_mask.b.modemismatch = 1; + intr_mask.b.conidstschng = 1; + intr_mask.b.wkupintr = 1; + intr_mask.b.disconnect = 1; + intr_mask.b.usbsuspend = 1; + + intr_mask.b.usbreset = 1; + intr_mask.b.enumdone = 1; + intr_mask.b.inepintr = 1; + intr_mask.b.outepintr = 1; + intr_mask.b.erlysuspend = 1; + #ifndef __DED_FIFO__ + #ifndef __DED_INTR__ + intr_mask.b.epmismatch = 1; + #endif + #endif + + ifxusb_mreg( &global_regs->gintmsk, intr_mask.d32, intr_mask.d32); + IFX_DEBUGPL(DBG_CIL, "%s() gintmsk=%0x\n", __func__, ifxusb_rreg( &global_regs->gintmsk)); +} + +/*! + \brief Gets the current USB frame number. This is the frame number from the last SOF packet. + \param _core_if Pointer of core_if structure + */ +uint32_t ifxusb_dev_get_frame_number(ifxusb_core_if_t *_core_if) +{ + dsts_data_t dsts; + IFX_DEBUGPL(DBG_ENTRY, "%s() %d\n", __func__, __LINE__ ); + dsts.d32 = ifxusb_rreg(&_core_if->dev_global_regs->dsts); + /* read current frame/microfreme number from DSTS register */ + return dsts.b.soffn; +} + + +/*! + \brief Set the EP STALL. + */ +void ifxusb_dev_ep_set_stall(ifxusb_core_if_t *_core_if, uint8_t _epno, uint8_t _is_in) +{ + depctl_data_t depctl; + volatile uint32_t *depctl_addr; + + IFX_DEBUGPL(DBG_PCD, "%s ep%d-%s\n", __func__, _epno, (_is_in?"IN":"OUT")); + + depctl_addr = (_is_in)? (&(_core_if->in_ep_regs [_epno]->diepctl)): + (&(_core_if->out_ep_regs[_epno]->doepctl)); + depctl.d32 = ifxusb_rreg(depctl_addr); + depctl.b.stall = 1; + + if (_is_in && depctl.b.epena) + depctl.b.epdis = 1; + + ifxusb_wreg(depctl_addr, depctl.d32); + IFX_DEBUGPL(DBG_PCD,"DEPCTL=%0x\n",ifxusb_rreg(depctl_addr)); + return; +} + +/*! +\brief Clear the EP STALL. + */ +void ifxusb_dev_ep_clear_stall(ifxusb_core_if_t *_core_if, uint8_t _epno, uint8_t _ep_type, uint8_t _is_in) +{ + depctl_data_t depctl; + volatile uint32_t *depctl_addr; + + IFX_DEBUGPL(DBG_PCD, "%s ep%d-%s\n", __func__, _epno, (_is_in?"IN":"OUT")); + + depctl_addr = (_is_in)? (&(_core_if->in_ep_regs [_epno]->diepctl)): + (&(_core_if->out_ep_regs[_epno]->doepctl)); + + depctl.d32 = ifxusb_rreg(depctl_addr); + /* clear the stall bits */ + depctl.b.stall = 0; + + /* + * USB Spec 9.4.5: For endpoints using data toggle, regardless + * of whether an endpoint has the Halt feature set, a + * ClearFeature(ENDPOINT_HALT) request always results in the + * data toggle being reinitialized to DATA0. + */ + if (_ep_type == IFXUSB_EP_TYPE_INTR || _ep_type == IFXUSB_EP_TYPE_BULK) + depctl.b.setd0pid = 1; /* DATA0 */ + + ifxusb_wreg(depctl_addr, depctl.d32); + IFX_DEBUGPL(DBG_PCD,"DEPCTL=%0x\n",ifxusb_rreg(depctl_addr)); + return; +} + +/*! + \brief This function initializes the IFXUSB controller registers for Device mode. + This function flushes the Tx and Rx FIFOs and it flushes any entries in the + request queues. + \param _core_if Pointer of core_if structure + \param _params parameters to be set + */ +void ifxusb_dev_core_init(ifxusb_core_if_t *_core_if, ifxusb_params_t *_params) +{ + ifxusb_core_global_regs_t *global_regs = _core_if->core_global_regs; + + gusbcfg_data_t usbcfg ={.d32 = 0}; + gahbcfg_data_t ahbcfg ={.d32 = 0}; + dcfg_data_t dcfg ={.d32 = 0}; + grstctl_t resetctl ={.d32 = 0}; + gotgctl_data_t gotgctl ={.d32 = 0}; + + uint32_t dir; + int i; + + IFX_DEBUGPL(DBG_ENTRY, "%s() %d\n", __func__, __LINE__ ); + IFX_DEBUGPL(DBG_CILV, "%s(%p)\n",__func__,_core_if); + + /* Copy Params */ + _core_if->params.dma_burst_size = _params->dma_burst_size; + _core_if->params.speed = _params->speed; + if(_params->max_transfer_size < 2048 || _params->max_transfer_size > ((1 << (_core_if->hwcfg3.b.xfer_size_cntr_width + 11)) - 1) ) + _core_if->params.max_transfer_size = ((1 << (_core_if->hwcfg3.b.xfer_size_cntr_width + 11)) - 1); + else + _core_if->params.max_transfer_size = _params->max_transfer_size; + + if(_params->max_packet_count < 16 || _params->max_packet_count > ((1 << (_core_if->hwcfg3.b.packet_size_cntr_width + 4)) - 1) ) + _core_if->params.max_packet_count= ((1 << (_core_if->hwcfg3.b.packet_size_cntr_width + 4)) - 1); + else + _core_if->params.max_packet_count= _params->max_packet_count; + _core_if->params.phy_utmi_width = _params->phy_utmi_width; + _core_if->params.turn_around_time_hs = _params->turn_around_time_hs; + _core_if->params.turn_around_time_fs = _params->turn_around_time_fs; + _core_if->params.timeout_cal_hs = _params->timeout_cal_hs; + _core_if->params.timeout_cal_fs = _params->timeout_cal_fs; + + #ifdef __DED_FIFO__ + _core_if->params.thr_ctl = _params->thr_ctl; + _core_if->params.tx_thr_length = _params->tx_thr_length; + _core_if->params.rx_thr_length = _params->rx_thr_length; + #endif + + /* Reset the Controller */ + do + { + while(ifxusb_core_soft_reset_d( _core_if )) + ifxusb_hard_reset_d(_core_if); + } while (ifxusb_is_host_mode(_core_if)); + + usbcfg.d32 = ifxusb_rreg(&global_regs->gusbcfg); + + usbcfg.b.ForceDevMode = 1; + usbcfg.b.ForceHstMode = 0; + + usbcfg.b.term_sel_dl_pulse = 0; + ifxusb_wreg (&global_regs->gusbcfg, usbcfg.d32); + + /* This programming sequence needs to happen in FS mode before any other + * programming occurs */ + /* High speed PHY. */ + if (!_core_if->phy_init_done) + { + _core_if->phy_init_done = 1; + /* HS PHY parameters. These parameters are preserved + * during soft reset so only program the first time. Do + * a soft reset immediately after setting phyif. */ + usbcfg.b.ulpi_utmi_sel = 0; //UTMI+ + usbcfg.b.phyif = ( _core_if->params.phy_utmi_width == 16)?1:0; + ifxusb_wreg( &global_regs->gusbcfg, usbcfg.d32); + /* Reset after setting the PHY parameters */ + ifxusb_core_soft_reset_d( _core_if ); + } + + /* Program the GAHBCFG Register.*/ + switch (_core_if->params.dma_burst_size) + { + case 0 : + ahbcfg.b.hburstlen = IFXUSB_GAHBCFG_INT_DMA_BURST_SINGLE; + break; + case 1 : + ahbcfg.b.hburstlen = IFXUSB_GAHBCFG_INT_DMA_BURST_INCR; + break; + case 4 : + ahbcfg.b.hburstlen = IFXUSB_GAHBCFG_INT_DMA_BURST_INCR4; + break; + case 8 : + ahbcfg.b.hburstlen = IFXUSB_GAHBCFG_INT_DMA_BURST_INCR8; + break; + case 16: + ahbcfg.b.hburstlen = IFXUSB_GAHBCFG_INT_DMA_BURST_INCR16; + break; + } + #if defined(__UNALIGNED_BUF_ADJ__) || defined(__UNALIGNED_BUF_CHK__) + _core_if->unaligned_mask=3; + #if defined(__UNALIGNED_BUF_BURST__) + switch (_core_if->params.dma_burst_size) + { + case 4 : + _core_if->unaligned_mask=15; + break; + case 8 : + _core_if->unaligned_mask=31; + break; + case 16: + _core_if->unaligned_mask=63; + break; + case 0 : + case 1 : + break; + } + #endif //defined(__UNALIGNED_BUF_BURST__) + #endif //defined(__UNALIGNED_BUF_ADJ__) || defined(__UNALIGNED_BUF_CHK__) + ahbcfg.b.dmaenable = 1; + ifxusb_wreg(&global_regs->gahbcfg, ahbcfg.d32); + + /* Program the GUSBCFG register. */ + usbcfg.d32 = ifxusb_rreg( &global_regs->gusbcfg ); + usbcfg.b.hnpcap = 0; + usbcfg.b.srpcap = 0; + ifxusb_wreg( &global_regs->gusbcfg, usbcfg.d32); + + { + dctl_data_t dctl = {.d32=0}; + dctl.d32=ifxusb_rreg(&_core_if->dev_global_regs->dctl); + dctl.b.sftdiscon=1; + ifxusb_wreg(&_core_if->dev_global_regs->dctl,dctl.d32); + } + + /* Restart the Phy Clock */ + ifxusb_wreg(_core_if->pcgcctl, 0); + + /* Device configuration register */ + ifxusb_dev_init_spd(_core_if); + dcfg.d32 = ifxusb_rreg( &_core_if->dev_global_regs->dcfg); + dcfg.b.perfrint = IFXUSB_DCFG_FRAME_INTERVAL_80; + #if defined(__DED_FIFO__) + #if defined(__DESC_DMA__) + dcfg.b.descdma = 1; + #else + dcfg.b.descdma = 0; + #endif + #endif + + ifxusb_wreg( &_core_if->dev_global_regs->dcfg, dcfg.d32 ); + + /* Configure data FIFO sizes */ + _core_if->params.data_fifo_size = _core_if->hwcfg3.b.dfifo_depth; + _core_if->params.rx_fifo_size = ifxusb_rreg(&global_regs->grxfsiz); + IFX_DEBUGPL(DBG_CIL, "Initial: FIFO Size=0x%06X\n" , _core_if->params.data_fifo_size); + IFX_DEBUGPL(DBG_CIL, " Rx FIFO Size=0x%06X\n", _core_if->params.rx_fifo_size); + + _core_if->params.tx_fifo_size[0]= ifxusb_rreg(&global_regs->gnptxfsiz) >> 16; + + #ifdef __DED_FIFO__ + for (i=1; i <= _core_if->hwcfg4.b.num_in_eps; i++) + _core_if->params.tx_fifo_size[i] = + ifxusb_rreg(&global_regs->dptxfsiz_dieptxf[i-1]) >> 16; + #else + for (i=0; i < _core_if->hwcfg4.b.num_dev_perio_in_ep; i++) + _core_if->params.tx_fifo_size[i+1] = + ifxusb_rreg(&global_regs->dptxfsiz_dieptxf[i]) >> 16; + #endif + + #ifdef __DEBUG__ + #ifdef __DED_FIFO__ + for (i=0; i <= _core_if->hwcfg4.b.num_in_eps; i++) + IFX_DEBUGPL(DBG_CIL, " Tx[%02d] FIFO Size=0x%06X\n",i, _core_if->params.tx_fifo_size[i]); + #else + IFX_DEBUGPL(DBG_CIL, " NPTx FIFO Size=0x%06X\n", _core_if->params.tx_fifo_size[0]); + for (i=0; i < _core_if->hwcfg4.b.num_dev_perio_in_ep; i++) + IFX_DEBUGPL(DBG_CIL, " PTx[%02d] FIFO Size=0x%06X\n",i, _core_if->params.tx_fifo_size[i+1]); + #endif + #endif + + { + fifosize_data_t txfifosize; + if(_params->data_fifo_size >=0 && _params->data_fifo_size < _core_if->params.data_fifo_size) + _core_if->params.data_fifo_size = _params->data_fifo_size; + + + if(_params->rx_fifo_size >=0 && _params->rx_fifo_size < _core_if->params.rx_fifo_size) + _core_if->params.rx_fifo_size = _params->rx_fifo_size; + if(_core_if->params.data_fifo_size < _core_if->params.rx_fifo_size) + _core_if->params.rx_fifo_size = _core_if->params.data_fifo_size; + ifxusb_wreg( &global_regs->grxfsiz, _core_if->params.rx_fifo_size); + + for (i=0; i < MAX_EPS_CHANNELS; i++) + if(_params->tx_fifo_size[i] >=0 && _params->tx_fifo_size[i] < _core_if->params.tx_fifo_size[i]) + _core_if->params.tx_fifo_size[i] = _params->tx_fifo_size[i]; + + txfifosize.b.startaddr = _core_if->params.rx_fifo_size; + #ifdef __DED_FIFO__ + if(txfifosize.b.startaddr + _core_if->params.tx_fifo_size[0] > _core_if->params.data_fifo_size) + _core_if->params.tx_fifo_size[0]= _core_if->params.data_fifo_size - txfifosize.b.startaddr; + txfifosize.b.depth=_core_if->params.tx_fifo_size[0]; + ifxusb_wreg( &global_regs->gnptxfsiz, txfifosize.d32); + txfifosize.b.startaddr += _core_if->params.tx_fifo_size[0]; + for (i=1; i <= _core_if->hwcfg4.b.num_in_eps; i++) + { + if(txfifosize.b.startaddr + _core_if->params.tx_fifo_size[i] > _core_if->params.data_fifo_size) + _core_if->params.tx_fifo_size[i]= _core_if->params.data_fifo_size - txfifosize.b.startaddr; + txfifosize.b.depth=_core_if->params.tx_fifo_size[i]; + ifxusb_wreg( &global_regs->dptxfsiz_dieptxf[i-1], txfifosize.d32); + txfifosize.b.startaddr += _core_if->params.tx_fifo_size[i]; + } + #else + if(txfifosize.b.startaddr + _core_if->params.tx_fifo_size[0] > _core_if->params.data_fifo_size) + _core_if->params.tx_fifo_size[0]= _core_if->params.data_fifo_size - txfifosize.b.startaddr; + txfifosize.b.depth=_core_if->params.tx_fifo_size[0]; + ifxusb_wreg( &global_regs->gnptxfsiz, txfifosize.d32); + txfifosize.b.startaddr += _core_if->params.tx_fifo_size[0]; + for (i=0; i < _core_if->hwcfg4.b.num_dev_perio_in_ep; i++) + { + if(txfifosize.b.startaddr + _core_if->params.tx_fifo_size[i+1] > _core_if->params.data_fifo_size) + _core_if->params.tx_fifo_size[i+1]= _core_if->params.data_fifo_size - txfifosize.b.startaddr; + //txfifosize.b.depth=_core_if->params.tx_fifo_size[i+1]; + ifxusb_wreg( &global_regs->dptxfsiz_dieptxf[i], txfifosize.d32); + txfifosize.b.startaddr += _core_if->params.tx_fifo_size[i+1]; + } + #endif + } + + #ifdef __DEBUG__ + { + fifosize_data_t fifosize; + IFX_DEBUGPL(DBG_CIL, "Result : FIFO Size=0x%06X\n" , _core_if->params.data_fifo_size); + + IFX_DEBUGPL(DBG_CIL, " Rx FIFO =0x%06X Sz=0x%06X\n", 0,ifxusb_rreg(&global_regs->grxfsiz)); + #ifdef __DED_FIFO__ + fifosize.d32=ifxusb_rreg(&global_regs->gnptxfsiz); + IFX_DEBUGPL(DBG_CIL, " Tx[00] FIFO =0x%06X Sz=0x%06X\n", fifosize.b.startaddr,fifosize.b.depth); + for (i=1; i <= _core_if->hwcfg4.b.num_in_eps; i++) + { + fifosize.d32=ifxusb_rreg(&global_regs->dptxfsiz_dieptxf[i-1]); + IFX_DEBUGPL(DBG_CIL, " Tx[%02d] FIFO 0x%06X Sz=0x%06X\n",i, fifosize.b.startaddr,fifosize.b.depth); + } + #else + fifosize.d32=ifxusb_rreg(&global_regs->gnptxfsiz); + IFX_DEBUGPL(DBG_CIL, " NPTx FIFO =0x%06X Sz=0x%06X\n", fifosize.b.startaddr,fifosize.b.depth); + for (i=0; i < _core_if->hwcfg4.b.num_dev_perio_in_ep; i++) + { + fifosize.d32=ifxusb_rreg(&global_regs->dptxfsiz_dieptxf[i]); + IFX_DEBUGPL(DBG_CIL, " PTx[%02d] FIFO 0x%06X Sz=0x%06X\n",i, fifosize.b.startaddr,fifosize.b.depth); + } + #endif + } + #endif + + /* Clear Host Set HNP Enable in the OTG Control Register */ + gotgctl.b.hstsethnpen = 1; + ifxusb_mreg( &global_regs->gotgctl, gotgctl.d32, 0); + + /* Flush the FIFOs */ + ifxusb_flush_tx_fifo_d(_core_if, 0x10); /* all Tx FIFOs */ + ifxusb_flush_rx_fifo_d(_core_if); + + /* Flush the Learning Queue. */ + resetctl.b.intknqflsh = 1; + ifxusb_wreg( &global_regs->grstctl, resetctl.d32); + + /* Clear all pending Device Interrupts */ + ifxusb_wreg( &_core_if->dev_global_regs->diepmsk , 0 ); + ifxusb_wreg( &_core_if->dev_global_regs->doepmsk , 0 ); + ifxusb_wreg( &_core_if->dev_global_regs->daint , 0xFFFFFFFF ); + ifxusb_wreg( &_core_if->dev_global_regs->daintmsk, 0 ); + + dir=_core_if->hwcfg1.d32; + for (i=0; i <= _core_if->hwcfg2.b.num_dev_ep ; i++,dir>>=2) + { + depctl_data_t depctl; + if((dir&0x03)==0 || (dir&0x03) ==1) + { + depctl.d32 = ifxusb_rreg(&_core_if->in_ep_regs[i]->diepctl); + if (depctl.b.epena) + { + depctl.d32 = 0; + depctl.b.epdis = 1; + depctl.b.snak = 1; + } + else + depctl.d32 = 0; + ifxusb_wreg( &_core_if->in_ep_regs[i]->diepctl, depctl.d32); + #ifndef __DESC_DMA__ + ifxusb_wreg( &_core_if->in_ep_regs[i]->dieptsiz, 0); + #endif + ifxusb_wreg( &_core_if->in_ep_regs[i]->diepdma, 0); + ifxusb_wreg( &_core_if->in_ep_regs[i]->diepint, 0xFF); + } + + if((dir&0x03)==0 || (dir&0x03) ==2) + { + depctl.d32 = ifxusb_rreg(&_core_if->out_ep_regs[i]->doepctl); + if (depctl.b.epena) + { + depctl.d32 = 0; + depctl.b.epdis = 1; + depctl.b.snak = 1; + } + else + depctl.d32 = 0; + ifxusb_wreg( &_core_if->out_ep_regs[i]->doepctl, depctl.d32); + #ifndef __DESC_DMA__ + ifxusb_wreg( &_core_if->out_ep_regs[i]->doeptsiz, 0); + #endif + ifxusb_wreg( &_core_if->out_ep_regs[i]->doepdma, 0); + ifxusb_wreg( &_core_if->out_ep_regs[i]->doepint, 0xFF); + } + } +} + |