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Merge branch 'master' into add-stm-hs

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hathach
2020-06-30 01:55:57 +07:00
parent 2b1c7730b7 2b9466dbc0
commit ab75998316
46 changed files with 1271 additions and 248 deletions
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113
src/portable/st/synopsys/dcd_synopsys.c
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@@ -3,6 +3,7 @@
*
* Copyright (c) 2018 Scott Shawcroft, 2019 William D. Jones for Adafruit Industries
* Copyright (c) 2019 Ha Thach (tinyusb.org)
* Copyright (c) 2020 Jan Duempelmann
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
@@ -142,6 +143,9 @@ typedef volatile uint32_t * usb_fifo_t;
xfer_ctl_t xfer_status[EP_MAX][2];
#define XFER_CTL_BASE(_ep, _dir) &xfer_status[_ep][_dir]
// EP0 transfers are limited to 1 packet - larger sizes has to be split
static uint16_t ep0_pending[2]; // Index determines direction as tusb_dir_t type
// FIFO RAM allocation so far in words
static uint16_t _allocated_fifo_words;
@@ -248,6 +252,41 @@ static tusb_speed_t get_speed(USB_OTG_DeviceTypeDef* dev)
return (enum_spd == DCD_HIGH_SPEED) ? TUSB_SPEED_HIGH : TUSB_SPEED_FULL;
}
static void edpt_schedule_packets(uint8_t rhport, uint8_t const epnum, uint8_t const dir, uint16_t const num_packets, uint16_t total_bytes) {
USB_OTG_DeviceTypeDef * dev = DEVICE_BASE(rhport);
USB_OTG_OUTEndpointTypeDef * out_ep = OUT_EP_BASE(rhport);
USB_OTG_INEndpointTypeDef * in_ep = IN_EP_BASE(rhport);
// EP0 is limited to one packet each xfer
// We use multiple transaction of xfer->max_size length to get a whole transfer done
if(epnum == 0) {
xfer_ctl_t * const xfer = XFER_CTL_BASE(epnum, dir);
total_bytes = tu_min16(ep0_pending[dir], xfer->max_size);
ep0_pending[dir] -= total_bytes;
}
// IN and OUT endpoint xfers are interrupt-driven, we just schedule them here.
if(dir == TUSB_DIR_IN) {
// A full IN transfer (multiple packets, possibly) triggers XFRC.
in_ep[epnum].DIEPTSIZ = (num_packets << USB_OTG_DIEPTSIZ_PKTCNT_Pos) |
((total_bytes << USB_OTG_DIEPTSIZ_XFRSIZ_Pos) & USB_OTG_DIEPTSIZ_XFRSIZ_Msk);
in_ep[epnum].DIEPCTL |= USB_OTG_DIEPCTL_EPENA | USB_OTG_DIEPCTL_CNAK;
// Enable fifo empty interrupt only if there are something to put in the fifo.
if(total_bytes != 0) {
dev->DIEPEMPMSK |= (1 << epnum);
}
} else {
// A full OUT transfer (multiple packets, possibly) triggers XFRC.
out_ep[epnum].DOEPTSIZ &= ~(USB_OTG_DOEPTSIZ_PKTCNT_Msk | USB_OTG_DOEPTSIZ_XFRSIZ);
out_ep[epnum].DOEPTSIZ |= (num_packets << USB_OTG_DOEPTSIZ_PKTCNT_Pos) |
((total_bytes << USB_OTG_DOEPTSIZ_XFRSIZ_Pos) & USB_OTG_DOEPTSIZ_XFRSIZ_Msk);
out_ep[epnum].DOEPCTL |= USB_OTG_DOEPCTL_EPENA | USB_OTG_DOEPCTL_CNAK;
}
}
/*------------------------------------------------------------------*/
/* Controller API
*------------------------------------------------------------------*/
@@ -446,7 +485,6 @@ bool dcd_edpt_open (uint8_t rhport, tusb_desc_endpoint_t const * desc_edpt)
fifo_size = tu_max16(fifo_size, fifo_remaining / (EP_MAX - opened));
}
// FIFO overflows, we probably need a better allocating scheme
TU_ASSERT(fifo_size <= fifo_remaining);
@@ -473,10 +511,6 @@ bool dcd_edpt_open (uint8_t rhport, tusb_desc_endpoint_t const * desc_edpt)
bool dcd_edpt_xfer (uint8_t rhport, uint8_t ep_addr, uint8_t * buffer, uint16_t total_bytes)
{
USB_OTG_DeviceTypeDef * dev = DEVICE_BASE(rhport);
USB_OTG_OUTEndpointTypeDef * out_ep = OUT_EP_BASE(rhport);
USB_OTG_INEndpointTypeDef * in_ep = IN_EP_BASE(rhport);
uint8_t const epnum = tu_edpt_number(ep_addr);
uint8_t const dir = tu_edpt_dir(ep_addr);
@@ -484,34 +518,24 @@ bool dcd_edpt_xfer (uint8_t rhport, uint8_t ep_addr, uint8_t * buffer, uint16_t
xfer->buffer = buffer;
xfer->total_len = total_bytes;
// EP0 can only handle one packet
if(epnum == 0) {
ep0_pending[dir] = total_bytes;
// Schedule the first transaction for EP0 transfer
edpt_schedule_packets(rhport, epnum, dir, 1, ep0_pending[dir]);
return true;
}
uint16_t num_packets = (total_bytes / xfer->max_size);
uint8_t short_packet_size = total_bytes % xfer->max_size;
uint8_t const short_packet_size = total_bytes % xfer->max_size;
// Zero-size packet is special case.
if(short_packet_size > 0 || (total_bytes == 0)) {
num_packets++;
}
// IN and OUT endpoint xfers are interrupt-driven, we just schedule them here.
if(dir == TUSB_DIR_IN) {
// A full IN transfer (multiple packets, possibly) triggers XFRC.
in_ep[epnum].DIEPTSIZ = (num_packets << USB_OTG_DIEPTSIZ_PKTCNT_Pos) |
((total_bytes & USB_OTG_DIEPTSIZ_XFRSIZ_Msk) << USB_OTG_DIEPTSIZ_XFRSIZ_Pos);
in_ep[epnum].DIEPCTL |= USB_OTG_DIEPCTL_EPENA | USB_OTG_DIEPCTL_CNAK;
// Enable fifo empty interrupt only if there are something to put in the fifo.
if(total_bytes != 0) {
dev->DIEPEMPMSK |= (1 << epnum);
}
} else {
// A full OUT transfer (multiple packets, possibly) triggers XFRC.
out_ep[epnum].DOEPTSIZ &= ~(USB_OTG_DOEPTSIZ_PKTCNT_Msk | USB_OTG_DOEPTSIZ_XFRSIZ);
out_ep[epnum].DOEPTSIZ |= (num_packets << USB_OTG_DOEPTSIZ_PKTCNT_Pos) |
((total_bytes << USB_OTG_DOEPTSIZ_XFRSIZ_Pos) & USB_OTG_DOEPTSIZ_XFRSIZ_Msk);
out_ep[epnum].DOEPCTL |= USB_OTG_DOEPCTL_EPENA | USB_OTG_DOEPCTL_CNAK;
}
// Schedule packets to be sent within interrupt
edpt_schedule_packets(rhport, epnum, dir, num_packets, total_bytes);
return true;
}
@@ -671,12 +695,11 @@ static void handle_rxflvl_ints(uint8_t rhport, USB_OTG_OUTEndpointTypeDef * out_
{
xfer_ctl_t * xfer = XFER_CTL_BASE(epnum, TUSB_DIR_OUT);
// Use BCNT to calculate correct bytes before data entry popped out from RxFIFO
uint16_t remaining_bytes = ((out_ep[epnum].DOEPTSIZ & USB_OTG_DOEPTSIZ_XFRSIZ_Msk) \
>> USB_OTG_DOEPTSIZ_XFRSIZ_Pos) + bcnt;
// Read packet off RxFIFO
read_fifo_packet(rhport, (xfer->buffer + xfer->total_len - remaining_bytes), bcnt);
read_fifo_packet(rhport, xfer->buffer, bcnt);
// Increment pointer to xfer data
xfer->buffer += bcnt;
}
break;
case 0x03: // Out packet done (Interrupt)
@@ -714,7 +737,14 @@ static void handle_epout_ints(uint8_t rhport, USB_OTG_DeviceTypeDef * dev, USB_O
// OUT XFER complete
if(out_ep[n].DOEPINT & USB_OTG_DOEPINT_XFRC) {
out_ep[n].DOEPINT = USB_OTG_DOEPINT_XFRC;
dcd_event_xfer_complete(rhport, n, xfer->total_len, XFER_RESULT_SUCCESS, true);
// EP0 can only handle one packet
if((n == 0) && ep0_pending[TUSB_DIR_OUT]) {
// Schedule another packet to be received.
edpt_schedule_packets(rhport, n, TUSB_DIR_OUT, 1, ep0_pending[TUSB_DIR_OUT]);
} else {
dcd_event_xfer_complete(rhport, n, xfer->total_len, XFER_RESULT_SUCCESS, true);
}
}
}
}
@@ -733,7 +763,14 @@ static void handle_epin_ints(uint8_t rhport, USB_OTG_DeviceTypeDef * dev, USB_OT
if ( in_ep[n].DIEPINT & USB_OTG_DIEPINT_XFRC )
{
in_ep[n].DIEPINT = USB_OTG_DIEPINT_XFRC;
dcd_event_xfer_complete(rhport, n | TUSB_DIR_IN_MASK, xfer->total_len, XFER_RESULT_SUCCESS, true);
// EP0 can only handle one packet
if((n == 0) && ep0_pending[TUSB_DIR_IN]) {
// Schedule another packet to be transmitted.
edpt_schedule_packets(rhport, n, TUSB_DIR_IN, 1, ep0_pending[TUSB_DIR_IN]);
} else {
dcd_event_xfer_complete(rhport, n | TUSB_DIR_IN_MASK, xfer->total_len, XFER_RESULT_SUCCESS, true);
}
}
// XFER FIFO empty
@@ -759,7 +796,10 @@ static void handle_epin_ints(uint8_t rhport, USB_OTG_DeviceTypeDef * dev, USB_OT
}
// Push packet to Tx-FIFO
write_fifo_packet(rhport, n, (xfer->buffer + xfer->total_len - remaining_bytes), packet_size);
write_fifo_packet(rhport, n, xfer->buffer, packet_size);
// Increment pointer to xfer data
xfer->buffer += packet_size;
}
// Turn off TXFE if all bytes are written.
@@ -830,9 +870,8 @@ void dcd_int_handler(uint8_t rhport)
}
#endif
// Use while loop to handle more than one fifo data entry
// within a single interrupt call
while(usb_otg->GINTSTS & USB_OTG_GINTSTS_RXFLVL) {
// RxFIFO non-empty interrupt handling.
if(int_status & USB_OTG_GINTSTS_RXFLVL) {
// RXFLVL bit is read-only
// Mask out RXFLVL while reading data from FIFO