diff options
| -rw-r--r-- | src/portable/synopsys/dwc2/dcd_dwc2.c | 43 |
1 files changed, 0 insertions, 43 deletions
diff --git a/src/portable/synopsys/dwc2/dcd_dwc2.c b/src/portable/synopsys/dwc2/dcd_dwc2.c index cf8f3be50..8b13b0753 100644 --- a/src/portable/synopsys/dwc2/dcd_dwc2.c +++ b/src/portable/synopsys/dwc2/dcd_dwc2.c @@ -97,7 +97,6 @@ static uint16_t ep0_pending[2]; // Index determines direction as t // TX FIFO RAM allocation so far in words - RX FIFO size is readily available from dwc2->grxfsiz static uint16_t _allocated_fifo_words_tx; // TX FIFO size in words (IN EPs) -static bool _out_ep_closed; // Flag to check if RX FIFO size needs an update (reduce its size) // SOF enabling flag - required for SOF to not get disabled in ISR when SOF was enabled by static bool _sof_en; @@ -113,20 +112,6 @@ static inline uint16_t calc_grxfsiz(uint16_t max_ep_size, uint8_t ep_count) { return 15 + 2 * (max_ep_size / 4) + 2 * ep_count; } -static void update_grxfsiz(uint8_t rhport) { - dwc2_regs_t* dwc2 = DWC2_REG(rhport); - uint8_t const ep_count = _dwc2_controller[rhport].ep_count; - - // Determine largest EP size for RX FIFO - uint16_t max_epsize = 0; - for (uint8_t epnum = 0; epnum < ep_count; epnum++) { - max_epsize = tu_max16(max_epsize, xfer_status[epnum][TUSB_DIR_OUT].max_size); - } - - // Update size of RX FIFO - dwc2->grxfsiz = calc_grxfsiz(max_epsize, ep_count); -} - static bool fifo_alloc(uint8_t rhport, uint8_t ep_addr, uint16_t packet_size) { dwc2_regs_t* dwc2 = DWC2_REG(rhport); uint8_t const ep_count = _dwc2_controller[rhport].ep_count; @@ -268,7 +253,6 @@ static void bus_reset(uint8_t rhport) { uint8_t const ep_count = _dwc2_controller[rhport].ep_count; tu_memclr(xfer_status, sizeof(xfer_status)); - _out_ep_closed = false; _sof_en = false; @@ -791,26 +775,7 @@ bool dcd_edpt_xfer_fifo(uint8_t rhport, uint8_t ep_addr, tu_fifo_t* ff, uint16_t } void dcd_edpt_close(uint8_t rhport, uint8_t ep_addr) { - dwc2_regs_t* dwc2 = DWC2_REG(rhport); - - uint8_t const epnum = tu_edpt_number(ep_addr); - uint8_t const dir = tu_edpt_dir(ep_addr); - edpt_disable(rhport, ep_addr, false); - - // Update max_size - xfer_status[epnum][dir].max_size = 0; // max_size = 0 marks a disabled EP - required for changing FIFO allocation - - if (dir == TUSB_DIR_IN) { - uint16_t const fifo_size = (dwc2->dieptxf[epnum - 1] & DIEPTXF_INEPTXFD_Msk) >> DIEPTXF_INEPTXFD_Pos; - uint16_t const fifo_start = (dwc2->dieptxf[epnum - 1] & DIEPTXF_INEPTXSA_Msk) >> DIEPTXF_INEPTXSA_Pos; - - // For now only the last opened endpoint can be closed without fuss. - TU_ASSERT(fifo_start == _dwc2_controller[rhport].ep_fifo_size / 4 - _allocated_fifo_words_tx,); - _allocated_fifo_words_tx -= fifo_size; - } else { - _out_ep_closed = true; // Set flag such that RX FIFO gets reduced in size once RX FIFO is empty - } } void dcd_edpt_stall(uint8_t rhport, uint8_t ep_addr) { @@ -1181,14 +1146,6 @@ void dcd_int_handler(uint8_t rhport) { handle_rxflvl_irq(rhport); } while (dwc2->gotgint & GINTSTS_RXFLVL); - // Manage RX FIFO size - if (_out_ep_closed) { - update_grxfsiz(rhport); - - // Disable flag - _out_ep_closed = false; - } - dwc2->gintmsk |= GINTMSK_RXFLVLM; } |