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merge master and minor clean up

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This commit is contained in:
hathach 2021-09-15 18:35:52 +07:00
parent f39656b6d7
commit 93ed3034c0
1 changed files with 40 additions and 19 deletions
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37
src/portable/nxp/khci/dcd_khci.c
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@ -53,21 +53,21 @@ typedef struct TU_ATTR_PACKED
union {
struct {
uint16_t : 2;
uint16_t tok_pid : 4;
__IO uint16_t tok_pid : 4;
uint16_t data : 1;
uint16_t own : 1;
__IO uint16_t own : 1;
uint16_t : 8;
};
struct {
uint16_t : 2;
uint16_t bdt_stall: 1;
uint16_t bdt_stall : 1;
uint16_t dts : 1;
uint16_t ninc : 1;
uint16_t keep : 1;
uint16_t : 10;
};
};
uint16_t bc : 10;
__IO uint16_t bc : 10;
uint16_t : 6;
};
};
@ -145,12 +145,17 @@ static void process_tokdne(uint8_t rhport)
{
const unsigned s = KHCI->STAT;
KHCI->ISTAT = USB_ISTAT_TOKDNE_MASK; /* fetch the next token if received */
uint8_t const epnum = (s >> USB_STAT_ENDP_SHIFT);
uint8_t const dir = (s & USB_STAT_TX_MASK) >> USB_STAT_TX_SHIFT;
buffer_descriptor_t *bd = (buffer_descriptor_t *)&_dcd.bda[s];
endpoint_state_t *ep = &_dcd.endpoint_unified[s >> 3];
unsigned odd = (s & USB_STAT_ODD_MASK) ? 1 : 0;
/* fetch pid before discarded by the next steps */
const unsigned pid = bd->tok_pid;
/* reset values for a next transfer */
bd->bdt_stall = 0;
bd->dts = 1;
@ -181,7 +186,7 @@ static void process_tokdne(uint8_t rhport)
}
const unsigned length = ep->length;
dcd_event_xfer_complete(rhport,
((s & USB_STAT_TX_MASK) << 4) | (s >> USB_STAT_ENDP_SHIFT),
tu_edpt_addr(epnum, dir),
length - remaining, XFER_RESULT_SUCCESS, true);
if (0 == (s & USB_STAT_ENDP_MASK) && 0 == length) {
/* After completion a ZLP of control transfer,
@ -414,6 +419,7 @@ bool dcd_edpt_xfer(uint8_t rhport, uint8_t ep_addr, uint8_t* buffer, uint16_t to
bd->addr = buffer;
__DSB();
bd->own = 1; /* This bit must be set last */
if (ie) NVIC_EnableIRQ(USB0_IRQn);
return true;
}
@ -422,18 +428,22 @@ void dcd_edpt_stall(uint8_t rhport, uint8_t ep_addr)
{
(void) rhport;
const unsigned epn = tu_edpt_number(ep_addr);
if (0 == epn) {
KHCI->ENDPOINT[epn].ENDPT |= USB_ENDPT_EPSTALL_MASK;
} else {
const unsigned dir = tu_edpt_dir(ep_addr);
const unsigned odd = _dcd.endpoint[epn][dir].odd;
buffer_descriptor_t *bd = &_dcd.bdt[epn][dir][odd];
TU_VERIFY(0 == bd->own,);
TU_ASSERT(0 == bd->own,);
const unsigned ie = NVIC_GetEnableIRQ(USB0_IRQn);
NVIC_DisableIRQ(USB0_IRQn);
bd->bdt_stall = 1;
__DSB();
bd->own = 1; /* This bit must be set last */
if (ie) NVIC_EnableIRQ(USB0_IRQn);
}
}
@ -447,15 +457,20 @@ void dcd_edpt_clear_stall(uint8_t rhport, uint8_t ep_addr)
const unsigned odd = _dcd.endpoint[epn][dir].odd;
buffer_descriptor_t *bd = _dcd.bdt[epn][dir];
TU_VERIFY(bd[odd].own,);
const unsigned ie = NVIC_GetEnableIRQ(USB0_IRQn);
NVIC_DisableIRQ(USB0_IRQn);
bd[odd].own = 0;
__DSB();
// clear stall
bd[odd].bdt_stall = 0;
if (bd[odd].data) {
// Reset data toggle
bd[odd ].data = 0;
bd[odd ^ 1].data = 1;
}
if (ie) NVIC_EnableIRQ(USB0_IRQn);
}
@ -470,6 +485,7 @@ void dcd_int_handler(uint8_t rhport)
uint32_t msk = KHCI->INTEN;
KHCI->ISTAT = is & ~msk;
is &= msk;
if (is & USB_ISTAT_ERROR_MASK) {
/* TODO: */
uint32_t es = KHCI->ERRSTAT;
@ -483,26 +499,31 @@ void dcd_int_handler(uint8_t rhport)
process_bus_reset(rhport);
return;
}
if (is & USB_ISTAT_SLEEP_MASK) {
KHCI->ISTAT = USB_ISTAT_SLEEP_MASK;
process_bus_inactive(rhport);
return;
}
if (is & USB_ISTAT_RESUME_MASK) {
KHCI->ISTAT = USB_ISTAT_RESUME_MASK;
process_bus_active(rhport);
return;
}
if (is & USB_ISTAT_SOFTOK_MASK) {
KHCI->ISTAT = USB_ISTAT_SOFTOK_MASK;
dcd_event_bus_signal(rhport, DCD_EVENT_SOF, true);
return;
}
if (is & USB_ISTAT_STALL_MASK) {
KHCI->ISTAT = USB_ISTAT_STALL_MASK;
process_stall(rhport);
return;
}
if (is & USB_ISTAT_TOKDNE_MASK) {
process_tokdne(rhport);
return;