diff options
Diffstat (limited to 'tinyusb/src/portable/nxp/transdimension/dcd_transdimension.c')
| m--------- | tinyusb | 0 | ||||
| -rwxr-xr-x | tinyusb/src/portable/nxp/transdimension/dcd_transdimension.c | 492 |
2 files changed, 0 insertions, 492 deletions
diff --git a/tinyusb b/tinyusb new file mode 160000 +Subproject f8288be03f28ad7b944e6925f49422dfa39202c diff --git a/tinyusb/src/portable/nxp/transdimension/dcd_transdimension.c b/tinyusb/src/portable/nxp/transdimension/dcd_transdimension.c deleted file mode 100755 index eeab3f48..00000000 --- a/tinyusb/src/portable/nxp/transdimension/dcd_transdimension.c +++ /dev/null @@ -1,492 +0,0 @@ -/* - * The MIT License (MIT) - * - * Copyright (c) 2019 Ha Thach (tinyusb.org) - * - * 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" - -#if TUSB_OPT_DEVICE_ENABLED && \ - (CFG_TUSB_MCU == OPT_MCU_LPC18XX || CFG_TUSB_MCU == OPT_MCU_LPC43XX || CFG_TUSB_MCU == OPT_MCU_MIMXRT10XX) - -//--------------------------------------------------------------------+ -// INCLUDE -//--------------------------------------------------------------------+ -#if CFG_TUSB_MCU == OPT_MCU_MIMXRT10XX - #include "fsl_device_registers.h" - #define INCLUDE_FSL_DEVICE_REGISTERS -#else - // LPCOpen for 18xx & 43xx - #include "chip.h" -#endif - -#include "common/tusb_common.h" -#include "device/dcd.h" -#include "common_transdimension.h" - -#if defined(__CORTEX_M) && __CORTEX_M == 7 && __DCACHE_PRESENT == 1 - #define CleanInvalidateDCache_by_Addr SCB_CleanInvalidateDCache_by_Addr -#else - #define CleanInvalidateDCache_by_Addr(_addr, _dsize) -#endif - -//--------------------------------------------------------------------+ -// MACRO CONSTANT TYPEDEF -//--------------------------------------------------------------------+ - -// ENDPTCTRL -enum { - ENDPTCTRL_STALL = TU_BIT(0), - ENDPTCTRL_TOGGLE_INHIBIT = TU_BIT(5), ///< used for test only - ENDPTCTRL_TOGGLE_RESET = TU_BIT(6), - ENDPTCTRL_ENABLE = TU_BIT(7) -}; - -// USBSTS, USBINTR -enum { - INTR_USB = TU_BIT(0), - INTR_ERROR = TU_BIT(1), - INTR_PORT_CHANGE = TU_BIT(2), - INTR_RESET = TU_BIT(6), - INTR_SOF = TU_BIT(7), - INTR_SUSPEND = TU_BIT(8), - INTR_NAK = TU_BIT(16) -}; - -// Queue Transfer Descriptor -typedef struct -{ - // Word 0: Next QTD Pointer - uint32_t next; ///< Next link pointer This field contains the physical memory address of the next dTD to be processed - - // Word 1: qTQ Token - uint32_t : 3 ; - volatile uint32_t xact_err : 1 ; - uint32_t : 1 ; - volatile uint32_t buffer_err : 1 ; - volatile uint32_t halted : 1 ; - volatile uint32_t active : 1 ; - uint32_t : 2 ; - uint32_t iso_mult_override : 2 ; ///< This field can be used for transmit ISOs to override the MULT field in the dQH. This field must be zero for all packet types that are not transmit-ISO. - uint32_t : 3 ; - uint32_t int_on_complete : 1 ; - volatile uint32_t total_bytes : 15 ; - uint32_t : 0 ; - - // Word 2-6: Buffer Page Pointer List, Each element in the list is a 4K page aligned, physical memory address. The lower 12 bits in each pointer are reserved (except for the first one) as each memory pointer must reference the start of a 4K page - uint32_t buffer[5]; ///< buffer1 has frame_n for TODO Isochronous - - //------------- DCD Area -------------// - uint16_t expected_bytes; - uint8_t reserved[2]; -} dcd_qtd_t; - -TU_VERIFY_STATIC( sizeof(dcd_qtd_t) == 32, "size is not correct"); - -// Queue Head -typedef struct -{ - // Word 0: Capabilities and Characteristics - uint32_t : 15 ; ///< Number of packets executed per transaction descriptor 00 - Execute N transactions as demonstrated by the USB variable length protocol where N is computed using Max_packet_length and the Total_bytes field in the dTD. 01 - Execute one transaction 10 - Execute two transactions 11 - Execute three transactions Remark: Non-isochronous endpoints must set MULT = 00. Remark: Isochronous endpoints must set MULT = 01, 10, or 11 as needed. - uint32_t int_on_setup : 1 ; ///< Interrupt on setup This bit is used on control type endpoints to indicate if USBINT is set in response to a setup being received. - uint32_t max_package_size : 11 ; ///< This directly corresponds to the maximum packet size of the associated endpoint (wMaxPacketSize) - uint32_t : 2 ; - uint32_t zero_length_termination : 1 ; ///< This bit is used for non-isochronous endpoints to indicate when a zero-length packet is received to terminate transfers in case the total transfer length is “multiple”. 0 - Enable zero-length packet to terminate transfers equal to a multiple of Max_packet_length (default). 1 - Disable zero-length packet on transfers that are equal in length to a multiple Max_packet_length. - uint32_t iso_mult : 2 ; ///< - uint32_t : 0 ; - - // Word 1: Current qTD Pointer - volatile uint32_t qtd_addr; - - // Word 2-9: Transfer Overlay - volatile dcd_qtd_t qtd_overlay; - - // Word 10-11: Setup request (control OUT only) - volatile tusb_control_request_t setup_request; - - //--------------------------------------------------------------------+ - /// Due to the fact QHD is 64 bytes aligned but occupies only 48 bytes - /// thus there are 16 bytes padding free that we can make use of. - //--------------------------------------------------------------------+ - uint8_t reserved[16]; -} dcd_qhd_t; - -TU_VERIFY_STATIC( sizeof(dcd_qhd_t) == 64, "size is not correct"); - -//--------------------------------------------------------------------+ -// Variables -//--------------------------------------------------------------------+ - -typedef struct -{ - dcd_registers_t* regs; // registers - const IRQn_Type irqnum; // IRQ number - const uint8_t ep_count; // Max bi-directional Endpoints -}dcd_controller_t; - -#if CFG_TUSB_MCU == OPT_MCU_MIMXRT10XX - // Each endpoint with direction (IN/OUT) occupies a queue head - // Therefore QHD_MAX is 2 x max endpoint count - #define QHD_MAX (8*2) - - static const dcd_controller_t _dcd_controller[] = - { - // RT1010 and RT1020 only has 1 USB controller - #if FSL_FEATURE_SOC_USBHS_COUNT == 1 - { .regs = (dcd_registers_t*) USB_BASE , .irqnum = USB_OTG1_IRQn, .ep_count = 8 } - #else - { .regs = (dcd_registers_t*) USB1_BASE, .irqnum = USB_OTG1_IRQn, .ep_count = 8 }, - { .regs = (dcd_registers_t*) USB2_BASE, .irqnum = USB_OTG2_IRQn, .ep_count = 8 } - #endif - }; - -#else - #define QHD_MAX (6*2) - - static const dcd_controller_t _dcd_controller[] = - { - { .regs = (dcd_registers_t*) LPC_USB0_BASE, .irqnum = USB0_IRQn, .ep_count = 6 }, - { .regs = (dcd_registers_t*) LPC_USB1_BASE, .irqnum = USB1_IRQn, .ep_count = 4 } - }; -#endif - -#define QTD_NEXT_INVALID 0x01 - -typedef struct { - // Must be at 2K alignment - dcd_qhd_t qhd[QHD_MAX] TU_ATTR_ALIGNED(64); - dcd_qtd_t qtd[QHD_MAX] TU_ATTR_ALIGNED(32); // for portability, TinyUSB only queue 1 TD for each Qhd -}dcd_data_t; - -CFG_TUSB_MEM_SECTION TU_ATTR_ALIGNED(2048) -static dcd_data_t _dcd_data; - -//--------------------------------------------------------------------+ -// Controller API -//--------------------------------------------------------------------+ - -/// follows LPC43xx User Manual 23.10.3 -static void bus_reset(uint8_t rhport) -{ - dcd_registers_t* dcd_reg = _dcd_controller[rhport].regs; - - // The reset value for all endpoint types is the control endpoint. If one endpoint - // direction is enabled and the paired endpoint of opposite direction is disabled, then the - // endpoint type of the unused direction must be changed from the control type to any other - // type (e.g. bulk). Leaving an un-configured endpoint control will cause undefined behavior - // for the data PID tracking on the active endpoint. - for( int i=1; i < _dcd_controller[rhport].ep_count; i++) - { - dcd_reg->ENDPTCTRL[i] = (TUSB_XFER_BULK << 2) | (TUSB_XFER_BULK << 18); - } - - //------------- Clear All Registers -------------// - dcd_reg->ENDPTNAK = dcd_reg->ENDPTNAK; - dcd_reg->ENDPTNAKEN = 0; - dcd_reg->USBSTS = dcd_reg->USBSTS; - dcd_reg->ENDPTSETUPSTAT = dcd_reg->ENDPTSETUPSTAT; - dcd_reg->ENDPTCOMPLETE = dcd_reg->ENDPTCOMPLETE; - - while (dcd_reg->ENDPTPRIME) {} - dcd_reg->ENDPTFLUSH = 0xFFFFFFFF; - while (dcd_reg->ENDPTFLUSH) {} - - // read reset bit in portsc - - //------------- Queue Head & Queue TD -------------// - tu_memclr(&_dcd_data, sizeof(dcd_data_t)); - - //------------- Set up Control Endpoints (0 OUT, 1 IN) -------------// - _dcd_data.qhd[0].zero_length_termination = _dcd_data.qhd[1].zero_length_termination = 1; - _dcd_data.qhd[0].max_package_size = _dcd_data.qhd[1].max_package_size = CFG_TUD_ENDPOINT0_SIZE; - _dcd_data.qhd[0].qtd_overlay.next = _dcd_data.qhd[1].qtd_overlay.next = QTD_NEXT_INVALID; - - _dcd_data.qhd[0].int_on_setup = 1; // OUT only -} - -void dcd_init(uint8_t rhport) -{ - tu_memclr(&_dcd_data, sizeof(dcd_data_t)); - - dcd_registers_t* dcd_reg = _dcd_controller[rhport].regs; - - // Reset controller - dcd_reg->USBCMD |= USBCMD_RESET; - while( dcd_reg->USBCMD & USBCMD_RESET ) {} - - // Set mode to device, must be set immediately after reset - dcd_reg->USBMODE = USBMODE_CM_DEVICE; - dcd_reg->OTGSC = OTGSC_VBUS_DISCHARGE | OTGSC_OTG_TERMINATION; - - // TODO Force fullspeed on non-highspeed port - // dcd_reg->PORTSC1 = PORTSC1_FORCE_FULL_SPEED; - - CleanInvalidateDCache_by_Addr((uint32_t*) &_dcd_data, sizeof(dcd_data_t)); - - dcd_reg->ENDPTLISTADDR = (uint32_t) _dcd_data.qhd; // Endpoint List Address has to be 2K alignment - dcd_reg->USBSTS = dcd_reg->USBSTS; - dcd_reg->USBINTR = INTR_USB | INTR_ERROR | INTR_PORT_CHANGE | INTR_RESET | INTR_SUSPEND /*| INTR_SOF*/; - - dcd_reg->USBCMD &= ~0x00FF0000; // Interrupt Threshold Interval = 0 - dcd_reg->USBCMD |= USBCMD_RUN_STOP; // Connect -} - -void dcd_int_enable(uint8_t rhport) -{ - NVIC_EnableIRQ(_dcd_controller[rhport].irqnum); -} - -void dcd_int_disable(uint8_t rhport) -{ - NVIC_DisableIRQ(_dcd_controller[rhport].irqnum); -} - -void dcd_set_address(uint8_t rhport, uint8_t dev_addr) -{ - // Response with status first before changing device address - dcd_edpt_xfer(rhport, tu_edpt_addr(0, TUSB_DIR_IN), NULL, 0); - - dcd_registers_t* dcd_reg = _dcd_controller[rhport].regs; - dcd_reg->DEVICEADDR = (dev_addr << 25) | TU_BIT(24); -} - -void dcd_remote_wakeup(uint8_t rhport) -{ - (void) rhport; -} - -void dcd_connect(uint8_t rhport) -{ - dcd_registers_t* dcd_reg = _dcd_controller[rhport].regs; - dcd_reg->USBCMD |= USBCMD_RUN_STOP; -} - -void dcd_disconnect(uint8_t rhport) -{ - dcd_registers_t* dcd_reg = _dcd_controller[rhport].regs; - dcd_reg->USBCMD &= ~USBCMD_RUN_STOP; -} - -//--------------------------------------------------------------------+ -// HELPER -//--------------------------------------------------------------------+ -// index to bit position in register -static inline uint8_t ep_idx2bit(uint8_t ep_idx) -{ - return ep_idx/2 + ( (ep_idx%2) ? 16 : 0); -} - -static void qtd_init(dcd_qtd_t* p_qtd, void * data_ptr, uint16_t total_bytes) -{ - tu_memclr(p_qtd, sizeof(dcd_qtd_t)); - - p_qtd->next = QTD_NEXT_INVALID; - p_qtd->active = 1; - p_qtd->total_bytes = p_qtd->expected_bytes = total_bytes; - - if (data_ptr != NULL) - { - p_qtd->buffer[0] = (uint32_t) data_ptr; - for(uint8_t i=1; i<5; i++) - { - p_qtd->buffer[i] |= tu_align4k( p_qtd->buffer[i-1] ) + 4096; - } - } -} - -//--------------------------------------------------------------------+ -// DCD Endpoint Port -//--------------------------------------------------------------------+ -void dcd_edpt_stall(uint8_t rhport, uint8_t ep_addr) -{ - uint8_t const epnum = tu_edpt_number(ep_addr); - uint8_t const dir = tu_edpt_dir(ep_addr); - - dcd_registers_t* dcd_reg = _dcd_controller[rhport].regs; - dcd_reg->ENDPTCTRL[epnum] |= ENDPTCTRL_STALL << (dir ? 16 : 0); -} - -void dcd_edpt_clear_stall(uint8_t rhport, uint8_t ep_addr) -{ - uint8_t const epnum = tu_edpt_number(ep_addr); - uint8_t const dir = tu_edpt_dir(ep_addr); - - // data toggle also need to be reset - dcd_registers_t* dcd_reg = _dcd_controller[rhport].regs; - dcd_reg->ENDPTCTRL[epnum] |= ENDPTCTRL_TOGGLE_RESET << ( dir ? 16 : 0 ); - dcd_reg->ENDPTCTRL[epnum] &= ~(ENDPTCTRL_STALL << ( dir ? 16 : 0)); -} - -bool dcd_edpt_open(uint8_t rhport, tusb_desc_endpoint_t const * p_endpoint_desc) -{ - // TODO not support ISO yet - TU_VERIFY ( p_endpoint_desc->bmAttributes.xfer != TUSB_XFER_ISOCHRONOUS); - - uint8_t const epnum = tu_edpt_number(p_endpoint_desc->bEndpointAddress); - uint8_t const dir = tu_edpt_dir(p_endpoint_desc->bEndpointAddress); - uint8_t const ep_idx = 2*epnum + dir; - - // Must not exceed max endpoint number - TU_ASSERT( epnum < _dcd_controller[rhport].ep_count ); - - //------------- Prepare Queue Head -------------// - dcd_qhd_t * p_qhd = &_dcd_data.qhd[ep_idx]; - tu_memclr(p_qhd, sizeof(dcd_qhd_t)); - - p_qhd->zero_length_termination = 1; - p_qhd->max_package_size = p_endpoint_desc->wMaxPacketSize.size; - p_qhd->qtd_overlay.next = QTD_NEXT_INVALID; - - CleanInvalidateDCache_by_Addr((uint32_t*) &_dcd_data, sizeof(dcd_data_t)); - - // Enable EP Control - dcd_registers_t* dcd_reg = _dcd_controller[rhport].regs; - dcd_reg->ENDPTCTRL[epnum] |= ((p_endpoint_desc->bmAttributes.xfer << 2) | ENDPTCTRL_ENABLE | ENDPTCTRL_TOGGLE_RESET) << (dir ? 16 : 0); - - return true; -} - -bool dcd_edpt_xfer(uint8_t rhport, uint8_t ep_addr, uint8_t * buffer, uint16_t total_bytes) -{ - dcd_registers_t* dcd_reg = _dcd_controller[rhport].regs; - uint8_t const epnum = tu_edpt_number(ep_addr); - uint8_t const dir = tu_edpt_dir(ep_addr); - uint8_t const ep_idx = 2*epnum + dir; - - if ( epnum == 0 ) - { - // follows UM 24.10.8.1.1 Setup packet handling using setup lockout mechanism - // wait until ENDPTSETUPSTAT before priming data/status in response TODO add time out - while(dcd_reg->ENDPTSETUPSTAT & TU_BIT(0)) {} - } - - dcd_qhd_t * p_qhd = &_dcd_data.qhd[ep_idx]; - dcd_qtd_t * p_qtd = &_dcd_data.qtd[ep_idx]; - - // Force the CPU to flush the buffer. We increase the size by 32 because the call aligns the - // address to 32-byte boundaries. - // void* cast to suppress cast-align warning, buffer must be - CleanInvalidateDCache_by_Addr((uint32_t*) tu_align((uint32_t) buffer, 4), total_bytes + 31); - - //------------- Prepare qtd -------------// - qtd_init(p_qtd, buffer, total_bytes); - p_qtd->int_on_complete = true; - p_qhd->qtd_overlay.next = (uint32_t) p_qtd; // link qtd to qhd - - CleanInvalidateDCache_by_Addr((uint32_t*) &_dcd_data, sizeof(dcd_data_t)); - - // start transfer - dcd_reg->ENDPTPRIME = TU_BIT( ep_idx2bit(ep_idx) ) ; - - return true; -} - -//--------------------------------------------------------------------+ -// ISR -//--------------------------------------------------------------------+ -void dcd_int_handler(uint8_t rhport) -{ - dcd_registers_t* const dcd_reg = _dcd_controller[rhport].regs; - - uint32_t const int_enable = dcd_reg->USBINTR; - uint32_t const int_status = dcd_reg->USBSTS & int_enable; - dcd_reg->USBSTS = int_status; // Acknowledge handled interrupt - - // disabled interrupt sources - if (int_status == 0) return; - - if (int_status & INTR_RESET) - { - bus_reset(rhport); - uint32_t speed = (dcd_reg->PORTSC1 & PORTSC1_PORT_SPEED) >> PORTSC1_PORT_SPEED_POS; - dcd_event_bus_reset(rhport, (tusb_speed_t) speed, true); - } - - if (int_status & INTR_SUSPEND) - { - if (dcd_reg->PORTSC1 & PORTSC1_SUSPEND) - { - // Note: Host may delay more than 3 ms before and/or after bus reset before doing enumeration. - if ((dcd_reg->DEVICEADDR >> 25) & 0x0f) - { - dcd_event_bus_signal(rhport, DCD_EVENT_SUSPEND, true); - } - } - } - - // Make sure we read the latest version of _dcd_data. - CleanInvalidateDCache_by_Addr((uint32_t*) &_dcd_data, sizeof(dcd_data_t)); - - // TODO disconnection does not generate interrupt !!!!!! -// if (int_status & INTR_PORT_CHANGE) -// { -// if ( !(dcd_reg->PORTSC1 & PORTSC1_CURRENT_CONNECT_STATUS) ) -// { -// dcd_event_t event = { .rhport = rhport, .event_id = DCD_EVENT_UNPLUGGED }; -// dcd_event_handler(&event, true); -// } -// } - - if (int_status & INTR_USB) - { - uint32_t const edpt_complete = dcd_reg->ENDPTCOMPLETE; - dcd_reg->ENDPTCOMPLETE = edpt_complete; // acknowledge - - if (dcd_reg->ENDPTSETUPSTAT) - { - //------------- Set up Received -------------// - // 23.10.10.2 Operational model for setup transfers - dcd_reg->ENDPTSETUPSTAT = dcd_reg->ENDPTSETUPSTAT;// acknowledge - - dcd_event_setup_received(rhport, (uint8_t*) &_dcd_data.qhd[0].setup_request, true); - } - - if ( edpt_complete ) - { - for(uint8_t ep_idx = 0; ep_idx < QHD_MAX; ep_idx++) - { - if ( tu_bit_test(edpt_complete, ep_idx2bit(ep_idx)) ) - { - // 23.10.12.3 Failed QTD also get ENDPTCOMPLETE set - dcd_qtd_t * p_qtd = &_dcd_data.qtd[ep_idx]; - - uint8_t result = p_qtd->halted ? XFER_RESULT_STALLED : - ( p_qtd->xact_err ||p_qtd->buffer_err ) ? XFER_RESULT_FAILED : XFER_RESULT_SUCCESS; - - uint8_t const ep_addr = (ep_idx/2) | ( (ep_idx & 0x01) ? TUSB_DIR_IN_MASK : 0 ); - dcd_event_xfer_complete(rhport, ep_addr, p_qtd->expected_bytes - p_qtd->total_bytes, result, true); // only number of bytes in the IOC qtd - } - } - } - } - - if (int_status & INTR_SOF) - { - dcd_event_bus_signal(rhport, DCD_EVENT_SOF, true); - } - - if (int_status & INTR_NAK) {} - if (int_status & INTR_ERROR) TU_ASSERT(false, ); -} - -#endif |