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update the access epout

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hathach 2021-10-26 13:02:26 +07:00
parent 34844c9061
commit e7655a7567
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GPG Key ID: 2FA891220FBFD581
1 changed files with 41 additions and 44 deletions
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85
src/portable/synopsys/dwc2/dcd_dwc2.c
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@ -52,7 +52,6 @@
#define DWC2_REG(_port) ((dwc2_regs_t*) DWC2_REG_BASE)
#define EPIN_REG(_port) (DWC2_REG(_port)->epin)
#define EPOUT_REG(_port) (DWC2_REG(_port)->epout)
enum
{
@ -114,8 +113,6 @@ static void bus_reset(uint8_t rhport)
(void) rhport;
dwc2_regs_t * dwc2 = DWC2_REG(rhport);
dwc2_epout_t * out_ep = EPOUT_REG(rhport);
dwc2_epin_t * in_ep = EPIN_REG(rhport);
tu_memclr(xfer_status, sizeof(xfer_status));
_out_ep_closed = false;
@ -125,7 +122,7 @@ static void bus_reset(uint8_t rhport)
// 1. NAK for all OUT endpoints
for(uint8_t n = 0; n < DWC2_EP_MAX; n++) {
out_ep[n].doepctl |= DOEPCTL_SNAK;
dwc2->epout[n].doepctl |= DOEPCTL_SNAK;
}
// 2. Un-mask interrupt bits
@ -191,10 +188,10 @@ static void bus_reset(uint8_t rhport)
dwc2->dieptxf0 = (16 << TX0FD_Pos) | (DWC2_EP_FIFO_SIZE/4 - _allocated_fifo_words_tx);
// Fixed control EP0 size to 64 bytes
in_ep[0].diepctl &= ~(0x03 << DIEPCTL_MPSIZ_Pos);
dwc2->epin[0].diepctl &= ~(0x03 << DIEPCTL_MPSIZ_Pos);
xfer_status[0][TUSB_DIR_OUT].max_size = xfer_status[0][TUSB_DIR_IN].max_size = 64;
out_ep[0].doeptsiz |= (3 << DOEPTSIZ_STUPCNT_Pos);
dwc2->epout[0].doeptsiz |= (3 << DOEPTSIZ_STUPCNT_Pos);
dwc2->gintmsk |= GINTMSK_OEPINT | GINTMSK_IEPINT;
}
@ -274,48 +271,52 @@ static void edpt_schedule_packets(uint8_t rhport, uint8_t const epnum, uint8_t c
(void) rhport;
dwc2_regs_t * dwc2 = DWC2_REG(rhport);
dwc2_epout_t * out_ep = EPOUT_REG(rhport);
dwc2_epin_t * in_ep = EPIN_REG(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);
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) {
if ( dir == TUSB_DIR_IN )
{
// A full IN transfer (multiple packets, possibly) triggers XFRC.
in_ep[epnum].dieptsiz = (num_packets << DIEPTSIZ_PKTCNT_Pos) |
((total_bytes << DIEPTSIZ_XFRSIZ_Pos) & DIEPTSIZ_XFRSIZ_Msk);
((total_bytes << DIEPTSIZ_XFRSIZ_Pos) & DIEPTSIZ_XFRSIZ_Msk);
in_ep[epnum].diepctl |= DIEPCTL_EPENA | DIEPCTL_CNAK;
// For ISO endpoint set correct odd/even bit for next frame.
if ((in_ep[epnum].diepctl & DIEPCTL_EPTYP) == DIEPCTL_EPTYP_0 && (XFER_CTL_BASE(epnum, dir))->interval == 1)
if ( (in_ep[epnum].diepctl & DIEPCTL_EPTYP) == DIEPCTL_EPTYP_0 && (XFER_CTL_BASE(epnum, dir))->interval == 1 )
{
// Take odd/even bit from frame counter.
uint32_t const odd_frame_now = (dwc2->dsts & (1u << DSTS_FNSOF_Pos));
in_ep[epnum].diepctl |= (odd_frame_now ? DIEPCTL_SD0PID_SEVNFRM_Msk : DIEPCTL_SODDFRM_Msk);
}
// Enable fifo empty interrupt only if there are something to put in the fifo.
if(total_bytes != 0) {
if ( total_bytes != 0 )
{
dwc2->diepempmsk |= (1 << epnum);
}
} else {
}
else
{
// A full OUT transfer (multiple packets, possibly) triggers XFRC.
out_ep[epnum].doeptsiz &= ~(DOEPTSIZ_PKTCNT_Msk | DOEPTSIZ_XFRSIZ);
out_ep[epnum].doeptsiz |= (num_packets << DOEPTSIZ_PKTCNT_Pos) |
((total_bytes << DOEPTSIZ_XFRSIZ_Pos) & DOEPTSIZ_XFRSIZ_Msk);
dwc2->epout[epnum].doeptsiz &= ~(DOEPTSIZ_PKTCNT_Msk | DOEPTSIZ_XFRSIZ);
dwc2->epout[epnum].doeptsiz |= (num_packets << DOEPTSIZ_PKTCNT_Pos) |
((total_bytes << DOEPTSIZ_XFRSIZ_Pos) & DOEPTSIZ_XFRSIZ_Msk);
out_ep[epnum].doepctl |= DOEPCTL_EPENA | DOEPCTL_CNAK;
if ((out_ep[epnum].doepctl & DOEPCTL_EPTYP) == DOEPCTL_EPTYP_0 && (XFER_CTL_BASE(epnum, dir))->interval == 1)
dwc2->epout[epnum].doepctl |= DOEPCTL_EPENA | DOEPCTL_CNAK;
if ( (dwc2->epout[epnum].doepctl & DOEPCTL_EPTYP) == DOEPCTL_EPTYP_0 && (XFER_CTL_BASE(epnum, dir))->interval == 1 )
{
// Take odd/even bit from frame counter.
uint32_t const odd_frame_now = (dwc2->dsts & (1u << DSTS_FNSOF_Pos));
out_ep[epnum].doepctl |= (odd_frame_now ? DOEPCTL_SD0PID_SEVNFRM_Msk : DOEPCTL_SODDFRM_Msk);
dwc2->epout[epnum].doepctl |= (odd_frame_now ? DOEPCTL_SD0PID_SEVNFRM_Msk : DOEPCTL_SODDFRM_Msk);
}
}
}
@ -461,7 +462,6 @@ bool dcd_edpt_open (uint8_t rhport, tusb_desc_endpoint_t const * desc_edpt)
(void) rhport;
dwc2_regs_t * dwc2 = DWC2_REG(rhport);
dwc2_epout_t * out_ep = EPOUT_REG(rhport);
dwc2_epin_t * in_ep = EPIN_REG(rhport);
uint8_t const epnum = tu_edpt_number(desc_edpt->bEndpointAddress);
@ -489,7 +489,7 @@ bool dcd_edpt_open (uint8_t rhport, tusb_desc_endpoint_t const * desc_edpt)
dwc2->grxfsiz = sz;
}
out_ep[epnum].doepctl |= (1 << DOEPCTL_USBAEP_Pos) |
dwc2->epout[epnum].doepctl |= (1 << DOEPCTL_USBAEP_Pos) |
(desc_edpt->bmAttributes.xfer << DOEPCTL_EPTYP_Pos) |
(desc_edpt->bmAttributes.xfer != TUSB_XFER_ISOCHRONOUS ? DOEPCTL_SD0PID_SEVNFRM : 0) |
(xfer->max_size << DOEPCTL_MPSIZ_Pos);
@ -548,7 +548,6 @@ void dcd_edpt_close_all (uint8_t rhport)
(void) rhport;
dwc2_regs_t * dwc2 = DWC2_REG(rhport);
dwc2_epout_t * out_ep = EPOUT_REG(rhport);
dwc2_epin_t * in_ep = EPIN_REG(rhport);
// Disable non-control interrupt
@ -557,7 +556,7 @@ void dcd_edpt_close_all (uint8_t rhport)
for(uint8_t n = 1; n < DWC2_EP_MAX; n++)
{
// disable OUT endpoint
out_ep[n].doepctl = 0;
dwc2->epout[n].doepctl = 0;
xfer_status[n][TUSB_DIR_OUT].max_size = 0;
// disable IN endpoint
@ -634,7 +633,6 @@ static void dcd_edpt_disable (uint8_t rhport, uint8_t ep_addr, bool stall)
(void) rhport;
dwc2_regs_t * dwc2 = DWC2_REG(rhport);
dwc2_epout_t * out_ep = EPOUT_REG(rhport);
dwc2_epin_t * in_ep = EPIN_REG(rhport);
uint8_t const epnum = tu_edpt_number(ep_addr);
@ -668,9 +666,9 @@ static void dcd_edpt_disable (uint8_t rhport, uint8_t ep_addr, bool stall)
else
{
// Only disable currently enabled non-control endpoint
if ( (epnum == 0) || !(out_ep[epnum].doepctl & DOEPCTL_EPENA) )
if ( (epnum == 0) || !(dwc2->epout[epnum].doepctl & DOEPCTL_EPENA) )
{
out_ep[epnum].doepctl |= stall ? DOEPCTL_STALL : 0;
dwc2->epout[epnum].doepctl |= stall ? DOEPCTL_STALL : 0;
}
else
{
@ -682,10 +680,10 @@ static void dcd_edpt_disable (uint8_t rhport, uint8_t ep_addr, bool stall)
while ( (dwc2->gintsts & GINTSTS_BOUTNAKEFF_Msk) == 0 ) {}
// Ditto here- disable the endpoint.
out_ep[epnum].doepctl |= DOEPCTL_EPDIS | (stall ? DOEPCTL_STALL : 0);
while ( (out_ep[epnum].doepint & DOEPINT_EPDISD_Msk) == 0 ) {}
dwc2->epout[epnum].doepctl |= DOEPCTL_EPDIS | (stall ? DOEPCTL_STALL : 0);
while ( (dwc2->epout[epnum].doepint & DOEPINT_EPDISD_Msk) == 0 ) {}
out_ep[epnum].doepint = DOEPINT_EPDISD;
dwc2->epout[epnum].doepint = DOEPINT_EPDISD;
// Allow other OUT endpoints to keep receiving.
dwc2->dctl |= DCTL_CGONAK;
@ -731,7 +729,7 @@ void dcd_edpt_clear_stall (uint8_t rhport, uint8_t ep_addr)
{
(void) rhport;
dwc2_epout_t * out_ep = EPOUT_REG(rhport);
dwc2_regs_t * dwc2 = DWC2_REG(rhport);
dwc2_epin_t * in_ep = EPIN_REG(rhport);
uint8_t const epnum = tu_edpt_number(ep_addr);
@ -745,8 +743,8 @@ void dcd_edpt_clear_stall (uint8_t rhport, uint8_t ep_addr)
}
else
{
out_ep[epnum].doepctl &= ~DOEPCTL_STALL;
out_ep[epnum].doepctl |= DOEPCTL_SD0PID_SEVNFRM;
dwc2->epout[epnum].doepctl &= ~DOEPCTL_STALL;
dwc2->epout[epnum].doepctl |= DOEPCTL_SD0PID_SEVNFRM;
}
}
@ -823,7 +821,7 @@ static void write_fifo_packet(uint8_t rhport, uint8_t fifo_num, uint8_t * src, u
}
}
static void handle_rxflvl_ints(uint8_t rhport, dwc2_epout_t * out_ep)
static void handle_rxflvl_ints(uint8_t rhport)
{
dwc2_regs_t * dwc2 = DWC2_REG(rhport);
volatile uint32_t * rx_fifo = dwc2->fifo[0];
@ -860,7 +858,7 @@ static void handle_rxflvl_ints(uint8_t rhport, dwc2_epout_t * out_ep)
// Truncate transfer length in case of short packet
if(bcnt < xfer->max_size) {
xfer->total_len -= (out_ep[epnum].doeptsiz & DOEPTSIZ_XFRSIZ_Msk) >> DOEPTSIZ_XFRSIZ_Pos;
xfer->total_len -= (dwc2->epout[epnum].doeptsiz & DOEPTSIZ_XFRSIZ_Msk) >> DOEPTSIZ_XFRSIZ_Pos;
if(epnum == 0) {
xfer->total_len -= ep0_pending[TUSB_DIR_OUT];
ep0_pending[TUSB_DIR_OUT] = 0;
@ -873,7 +871,7 @@ static void handle_rxflvl_ints(uint8_t rhport, dwc2_epout_t * out_ep)
break;
case 0x04: // Setup packet done (Interrupt)
out_ep[epnum].doeptsiz |= (3 << DOEPTSIZ_STUPCNT_Pos);
dwc2->epout[epnum].doeptsiz |= (3 << DOEPTSIZ_STUPCNT_Pos);
break;
case 0x06: // Setup packet recvd
@ -889,7 +887,7 @@ static void handle_rxflvl_ints(uint8_t rhport, dwc2_epout_t * out_ep)
}
}
static void handle_epout_ints (uint8_t rhport, dwc2_regs_t *dwc2, dwc2_epout_t *out_ep)
static void handle_epout_ints (uint8_t rhport, dwc2_regs_t *dwc2)
{
// DAINT for a given EP clears when DOEPINTx is cleared.
// OEPINT will be cleared when DAINT's out bits are cleared.
@ -900,16 +898,16 @@ static void handle_epout_ints (uint8_t rhport, dwc2_regs_t *dwc2, dwc2_epout_t *
if ( dwc2->daint & (1 << (DAINT_OEPINT_Pos + n)) )
{
// SETUP packet Setup Phase done.
if ( out_ep[n].doepint & DOEPINT_STUP )
if ( dwc2->epout[n].doepint & DOEPINT_STUP )
{
out_ep[n].doepint = DOEPINT_STUP;
dwc2->epout[n].doepint = DOEPINT_STUP;
dcd_event_setup_received(rhport, (uint8_t*) &_setup_packet[0], true);
}
// OUT XFER complete
if ( out_ep[n].doepint & DOEPINT_XFRC )
if ( dwc2->epout[n].doepint & DOEPINT_XFRC )
{
out_ep[n].doepint = DOEPINT_XFRC;
dwc2->epout[n].doepint = DOEPINT_XFRC;
// EP0 can only handle one packet
if ( (n == 0) && ep0_pending[TUSB_DIR_OUT] )
@ -999,7 +997,6 @@ static void handle_epin_ints(uint8_t rhport, dwc2_regs_t * dwc2, dwc2_epin_t * i
void dcd_int_handler(uint8_t rhport)
{
dwc2_regs_t * dwc2 = DWC2_REG(rhport);
dwc2_epout_t * out_ep = EPOUT_REG(rhport);
dwc2_epin_t * in_ep = EPIN_REG(rhport);
uint32_t const int_status = dwc2->gintsts & dwc2->gintmsk;
@ -1072,7 +1069,7 @@ void dcd_int_handler(uint8_t rhport)
// Loop until all available packets were handled
do
{
handle_rxflvl_ints(rhport, out_ep);
handle_rxflvl_ints(rhport);
} while(dwc2->gotgint & GINTSTS_RXFLVL);
// Manage RX FIFO size
@ -1091,7 +1088,7 @@ void dcd_int_handler(uint8_t rhport)
if(int_status & GINTSTS_OEPINT)
{
// OEPINT is read-only
handle_epout_ints(rhport, dwc2, out_ep);
handle_epout_ints(rhport, dwc2);
}
// IN endpoint interrupt handling.