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james
2024-08-05 20:57:09 +08:00
commit 46d9ee7795
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rt-thread/components/drivers/usb/cherryusb/port/hpm/usb_dc_hpm.c Normal file
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/*
* Copyright (c) 2022-2024 HPMicro
*
* SPDX-License-Identifier: BSD-3-Clause
*
*/
#include "usbd_core.h"
#include "hpm_usb_device.h"
#ifndef USB_NUM_BIDIR_ENDPOINTS
#define USB_NUM_BIDIR_ENDPOINTS CONFIG_USBDEV_EP_NUM
#endif
/* USBSTS, USBINTR */
enum {
intr_usb = HPM_BITSMASK(1, 0),
intr_error = HPM_BITSMASK(1, 1),
intr_port_change = HPM_BITSMASK(1, 2),
intr_reset = HPM_BITSMASK(1, 6),
intr_sof = HPM_BITSMASK(1, 7),
intr_suspend = HPM_BITSMASK(1, 8),
intr_nak = HPM_BITSMASK(1, 16)
};
/* Endpoint state */
struct hpm_ep_state {
uint16_t ep_mps; /* Endpoint max packet size */
uint8_t ep_type; /* Endpoint type */
uint8_t ep_stalled; /* Endpoint stall flag */
uint8_t ep_enable; /* Endpoint enable */
uint8_t *xfer_buf;
uint32_t xfer_len;
uint32_t actual_xfer_len;
};
/*---------------------------------------------------------------------*
* Variable Definitions
*---------------------------------------------------------------------*/
/* Driver state */
struct hpm_udc {
usb_device_handle_t *handle;
struct hpm_ep_state in_ep[USB_NUM_BIDIR_ENDPOINTS]; /*!< IN endpoint parameters*/
struct hpm_ep_state out_ep[USB_NUM_BIDIR_ENDPOINTS]; /*!< OUT endpoint parameters */
} g_hpm_udc[CONFIG_USBDEV_MAX_BUS];
static ATTR_PLACE_AT_NONCACHEABLE_WITH_ALIGNMENT(USB_SOC_DCD_DATA_RAM_ADDRESS_ALIGNMENT) dcd_data_t _dcd_data0;
#ifdef HPM_USB1_BASE
static ATTR_PLACE_AT_NONCACHEABLE_WITH_ALIGNMENT(USB_SOC_DCD_DATA_RAM_ADDRESS_ALIGNMENT) dcd_data_t _dcd_data1;
#endif
static ATTR_PLACE_AT_NONCACHEABLE usb_device_handle_t usb_device_handle[CONFIG_USBDEV_MAX_BUS];
static uint32_t _dcd_irqnum[CONFIG_USBDEV_MAX_BUS];
static uint8_t _dcd_busid[CONFIG_USBDEV_MAX_BUS];
/* 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);
}
void usbd_execute_test_mode(uint8_t busid, uint8_t test_mode)
{
usb_set_port_test_mode(g_hpm_udc[busid].handle->regs, test_mode);
}
int usb_dc_init(uint8_t busid)
{
memset(&g_hpm_udc[busid], 0, sizeof(struct hpm_udc));
g_hpm_udc[busid].handle = &usb_device_handle[busid];
g_hpm_udc[busid].handle->regs = (USB_Type *)g_usbdev_bus[busid].reg_base;
if (g_usbdev_bus[busid].reg_base == HPM_USB0_BASE) {
_dcd_irqnum[busid] = IRQn_USB0;
_dcd_busid[0] = busid;
} else {
#ifdef HPM_USB1_BASE
if (g_usbdev_bus[busid].reg_base == HPM_USB1_BASE) {
_dcd_irqnum[busid] = IRQn_USB1;
_dcd_busid[1] = busid;
}
#endif
}
if (busid == 0) {
g_hpm_udc[busid].handle->dcd_data = &_dcd_data0;
} else if (busid == 1) {
#ifdef HPM_USB1_BASE
g_hpm_udc[busid].handle->dcd_data = &_dcd_data1;
#endif
} else {
;
}
uint32_t int_mask;
int_mask = (USB_USBINTR_UE_MASK | USB_USBINTR_UEE_MASK |
USB_USBINTR_PCE_MASK | USB_USBINTR_URE_MASK);
usb_device_init(g_hpm_udc[busid].handle, int_mask);
intc_m_enable_irq(_dcd_irqnum[busid]);
return 0;
}
int usb_dc_deinit(uint8_t busid)
{
intc_m_disable_irq(_dcd_irqnum[busid]);
usb_device_deinit(g_hpm_udc[busid].handle);
return 0;
}
int usbd_set_address(uint8_t busid, const uint8_t addr)
{
usb_device_handle_t *handle = g_hpm_udc[busid].handle;
usb_dcd_set_address(handle->regs, addr);
return 0;
}
uint8_t usbd_get_port_speed(uint8_t busid)
{
uint8_t speed;
speed = usb_get_port_speed(g_hpm_udc[busid].handle->regs);
if (speed == 0x00) {
return USB_SPEED_FULL;
}
if (speed == 0x01) {
return USB_SPEED_LOW;
}
if (speed == 0x02) {
return USB_SPEED_HIGH;
}
return 0;
}
int usbd_ep_open(uint8_t busid, const struct usb_endpoint_descriptor *ep)
{
usb_endpoint_config_t tmp_ep_cfg;
usb_device_handle_t *handle = g_hpm_udc[busid].handle;
uint8_t ep_idx = USB_EP_GET_IDX(ep->bEndpointAddress);
tmp_ep_cfg.xfer = USB_GET_ENDPOINT_TYPE(ep->bmAttributes);
tmp_ep_cfg.ep_addr = ep->bEndpointAddress;
tmp_ep_cfg.max_packet_size = ep->wMaxPacketSize;
usb_device_edpt_open(handle, &tmp_ep_cfg);
if (USB_EP_DIR_IS_OUT(ep->bEndpointAddress)) {
g_hpm_udc[busid].out_ep[ep_idx].ep_mps = USB_GET_MAXPACKETSIZE(ep->wMaxPacketSize);
g_hpm_udc[busid].out_ep[ep_idx].ep_type = USB_GET_ENDPOINT_TYPE(ep->bmAttributes);
g_hpm_udc[busid].out_ep[ep_idx].ep_enable = true;
} else {
g_hpm_udc[busid].in_ep[ep_idx].ep_mps = USB_GET_MAXPACKETSIZE(ep->wMaxPacketSize);
g_hpm_udc[busid].in_ep[ep_idx].ep_type = USB_GET_ENDPOINT_TYPE(ep->bmAttributes);
g_hpm_udc[busid].in_ep[ep_idx].ep_enable = true;
}
return 0;
}
int usbd_ep_close(uint8_t busid, const uint8_t ep)
{
usb_device_handle_t *handle = g_hpm_udc[busid].handle;
uint8_t ep_idx = USB_EP_GET_IDX(ep);
if (USB_EP_DIR_IS_OUT(ep)) {
g_hpm_udc[busid].out_ep[ep_idx].ep_enable = false;
} else {
g_hpm_udc[busid].in_ep[ep_idx].ep_enable = false;
}
usb_device_edpt_close(handle, ep);
return 0;
}
int usbd_ep_set_stall(uint8_t busid, const uint8_t ep)
{
usb_device_handle_t *handle = g_hpm_udc[busid].handle;
usb_device_edpt_stall(handle, ep);
return 0;
}
int usbd_ep_clear_stall(uint8_t busid, const uint8_t ep)
{
usb_device_handle_t *handle = g_hpm_udc[busid].handle;
usb_device_edpt_clear_stall(handle, ep);
return 0;
}
int usbd_ep_is_stalled(uint8_t busid, const uint8_t ep, uint8_t *stalled)
{
usb_device_handle_t *handle = g_hpm_udc[busid].handle;
*stalled = usb_device_edpt_check_stall(handle, ep);
return 0;
}
int usbd_ep_start_write(uint8_t busid, const uint8_t ep, const uint8_t *data, uint32_t data_len)
{
uint8_t ep_idx = USB_EP_GET_IDX(ep);
usb_device_handle_t *handle = g_hpm_udc[busid].handle;
if (!data && data_len) {
return -1;
}
if (!g_hpm_udc[busid].in_ep[ep_idx].ep_enable) {
return -2;
}
g_hpm_udc[busid].in_ep[ep_idx].xfer_buf = (uint8_t *)data;
g_hpm_udc[busid].in_ep[ep_idx].xfer_len = data_len;
g_hpm_udc[busid].in_ep[ep_idx].actual_xfer_len = 0;
usb_device_edpt_xfer(handle, ep, (uint8_t *)data, data_len);
return 0;
}
int usbd_ep_start_read(uint8_t busid, const uint8_t ep, uint8_t *data, uint32_t data_len)
{
uint8_t ep_idx = USB_EP_GET_IDX(ep);
usb_device_handle_t *handle = g_hpm_udc[busid].handle;
if (!data && data_len) {
return -1;
}
if (!g_hpm_udc[busid].out_ep[ep_idx].ep_enable) {
return -2;
}
g_hpm_udc[busid].out_ep[ep_idx].xfer_buf = (uint8_t *)data;
g_hpm_udc[busid].out_ep[ep_idx].xfer_len = data_len;
g_hpm_udc[busid].out_ep[ep_idx].actual_xfer_len = 0;
usb_device_edpt_xfer(handle, ep, data, data_len);
return 0;
}
void USBD_IRQHandler(uint8_t busid)
{
uint32_t int_status;
usb_device_handle_t *handle = g_hpm_udc[busid].handle;
uint32_t transfer_len;
bool ep_cb_req;
/* Acknowledge handled interrupt */
int_status = usb_device_status_flags(handle);
int_status &= usb_device_interrupts(handle);
usb_device_clear_status_flags(handle, int_status);
if (int_status & intr_error) {
USB_LOG_ERR("usbd intr error!\r\n");
}
if (int_status & intr_reset) {
memset(g_hpm_udc[busid].in_ep, 0, sizeof(struct hpm_ep_state) * USB_NUM_BIDIR_ENDPOINTS);
memset(g_hpm_udc[busid].out_ep, 0, sizeof(struct hpm_ep_state) * USB_NUM_BIDIR_ENDPOINTS);
usbd_event_reset_handler(busid);
usb_device_bus_reset(handle, 64);
}
if (int_status & intr_suspend) {
if (usb_device_get_suspend_status(handle)) {
usbd_event_suspend_handler(busid);
/* Note: Host may delay more than 3 ms before and/or after bus reset before doing enumeration. */
if (usb_device_get_address(handle)) {
}
}
}
if (int_status & intr_port_change) {
if (!usb_device_get_port_ccs(handle)) {
usbd_event_disconnect_handler(busid);
} else {
usbd_event_connect_handler(busid);
}
}
if (int_status & intr_usb) {
uint32_t const edpt_complete = usb_device_get_edpt_complete_status(handle);
usb_device_clear_edpt_complete_status(handle, edpt_complete);
uint32_t edpt_setup_status = usb_device_get_setup_status(handle);
if (edpt_setup_status) {
/*------------- Set up Received -------------*/
usb_device_clear_setup_status(handle, edpt_setup_status);
dcd_qhd_t *qhd0 = usb_device_qhd_get(handle, 0);
usbd_event_ep0_setup_complete_handler(busid, (uint8_t *)&qhd0->setup_request);
}
if (edpt_complete) {
for (uint8_t ep_idx = 0; ep_idx < USB_SOS_DCD_MAX_QHD_COUNT; ep_idx++) {
if (edpt_complete & (1 << ep_idx2bit(ep_idx))) {
transfer_len = 0;
ep_cb_req = true;
/* Failed QTD also get ENDPTCOMPLETE set */
dcd_qtd_t *p_qtd = usb_device_qtd_get(handle, ep_idx);
while (1) {
if (p_qtd->halted || p_qtd->xact_err || p_qtd->buffer_err) {
USB_LOG_ERR("usbd transfer error!\r\n");
ep_cb_req = false;
break;
} else if (p_qtd->active) {
ep_cb_req = false;
break;
} else {
transfer_len += p_qtd->expected_bytes - p_qtd->total_bytes;
}
if (p_qtd->next == USB_SOC_DCD_QTD_NEXT_INVALID){
break;
} else {
p_qtd = (dcd_qtd_t *)p_qtd->next;
}
}
if (ep_cb_req) {
uint8_t const ep_addr = (ep_idx / 2) | ((ep_idx & 0x01) ? 0x80 : 0);
if (ep_addr & 0x80) {
usbd_event_ep_in_complete_handler(busid, ep_addr, transfer_len);
} else {
usbd_event_ep_out_complete_handler(busid, ep_addr, transfer_len);
}
}
}
}
}
}
}
void isr_usbd0(void)
{
USBD_IRQHandler(_dcd_busid[0]);
}
SDK_DECLARE_EXT_ISR_M(IRQn_USB0, isr_usbd0)
#ifdef HPM_USB1_BASE
void isr_usbd1(void)
{
USBD_IRQHandler(_dcd_busid[1]);
}
SDK_DECLARE_EXT_ISR_M(IRQn_USB1, isr_usbd1)
#endif