Lines Matching +full:pre +full:- +full:fetch
4 * SPDX-License-Identifier: Apache-2.0
30 * The new Atmel DFP headers provide mode-specific interrupt register field
54 BUILD_ASSERT(USB_MAXIMUM_SPEED, "low-speed is not supported");
75 PMC->CKGR_UCKR |= CKGR_UCKR_UPLLEN; in usb_dc_enable_clock()
78 while (!(PMC->PMC_SR & PMC_SR_LOCKU)) { in usb_dc_enable_clock()
83 if ((USBHS->USBHS_DEVCTRL & USBHS_DEVCTRL_SPDCONF_Msk) in usb_dc_enable_clock()
86 PMC->PMC_MCKR &= ~PMC_MCKR_UPLLDIV2; in usb_dc_enable_clock()
87 PMC->PMC_USB = PMC_USB_USBDIV(9) | PMC_USB_USBS; in usb_dc_enable_clock()
90 PMC->PMC_SCER |= PMC_SCER_USBCLK; in usb_dc_enable_clock()
98 PMC->PMC_SCER &= ~PMC_SCER_USBCLK; in usb_dc_disable_clock()
101 PMC->CKGR_UCKR &= ~CKGR_UCKR_UPLLEN; in usb_dc_disable_clock()
107 return (USBHS->USBHS_DEVCTRL & USBHS_DEVCTRL_DETACH) == 0; in usb_dc_is_attached()
113 return USBHS->USBHS_DEVEPTISR[ep_idx] & USBHS_DEVEPTISR_CFGOK; in usb_dc_ep_is_configured()
119 return USBHS->USBHS_DEVEPT & BIT(USBHS_DEVEPT_EPEN0_Pos + ep_idx); in usb_dc_ep_is_enabled()
125 USBHS->USBHS_DEVEPT |= BIT(USBHS_DEVEPT_EPRST0_Pos + ep_idx); in usb_dc_ep_reset()
126 USBHS->USBHS_DEVEPT &= ~BIT(USBHS_DEVEPT_EPRST0_Pos + ep_idx); in usb_dc_ep_reset()
135 USBHS->USBHS_DEVEPTIER[ep_idx] = USBHS_DEVEPTIER_CTRL_RXSTPES; in usb_dc_ep_enable_interrupts()
136 USBHS->USBHS_DEVEPTIER[ep_idx] = USBHS_DEVEPTIER_RXOUTES; in usb_dc_ep_enable_interrupts()
137 } else if ((USBHS->USBHS_DEVEPTCFG[ep_idx] & USBHS_DEVEPTCFG_EPDIR_Msk) in usb_dc_ep_enable_interrupts()
140 USBHS->USBHS_DEVEPTICR[ep_idx] = USBHS_DEVEPTICR_TXINIC; in usb_dc_ep_enable_interrupts()
141 USBHS->USBHS_DEVEPTIER[ep_idx] = USBHS_DEVEPTIER_TXINES; in usb_dc_ep_enable_interrupts()
144 USBHS->USBHS_DEVEPTIER[ep_idx] = USBHS_DEVEPTIER_RXOUTES; in usb_dc_ep_enable_interrupts()
157 /* Fetch a byte from the endpoint FIFO */
172 uint32_t sr = USBHS->USBHS_DEVEPTISR[0] & USBHS->USBHS_DEVEPTIMR[0]; in usb_dc_ep0_isr()
173 uint32_t dev_ctrl = USBHS->USBHS_DEVCTRL; in usb_dc_ep0_isr()
187 USBHS->USBHS_DEVEPTIDR[0] = USBHS_DEVEPTIDR_TXINEC; in usb_dc_ep0_isr()
199 USBHS->USBHS_DEVCTRL = dev_ctrl | USBHS_DEVCTRL_ADDEN; in usb_dc_ep0_isr()
204 /* Handle interrupts on a non-control endpoint */
207 uint32_t sr = USBHS->USBHS_DEVEPTISR[ep_idx] & in usb_dc_ep_isr()
208 USBHS->USBHS_DEVEPTIMR[ep_idx]; in usb_dc_ep_isr()
214 USBHS->USBHS_DEVEPTICR[ep_idx] = USBHS_DEVEPTICR_RXOUTIC; in usb_dc_ep_isr()
224 USBHS->USBHS_DEVEPTICR[ep_idx] = USBHS_DEVEPTICR_TXINIC; in usb_dc_ep_isr()
235 uint32_t sr = USBHS->USBHS_DEVISR & USBHS->USBHS_DEVIMR; in usb_dc_isr()
240 USBHS->USBHS_DEVICR = USBHS_DEVICR_EORSMC; in usb_dc_isr()
249 USBHS->USBHS_DEVICR = USBHS_DEVICR_EORSTC; in usb_dc_isr()
263 * when it receives the EORST. Re-enable interrupts. in usb_dc_isr()
271 USBHS->USBHS_DEVEPTCFG[idx] &= ~USBHS_DEVEPTCFG_ALLOC; in usb_dc_isr()
281 USBHS->USBHS_DEVICR = USBHS_DEVICR_SUSPC; in usb_dc_isr()
291 USBHS->USBHS_DEVICR = USBHS_DEVICR_SOFC; in usb_dc_isr()
322 USBHS->USBHS_CTRL = USBHS_CTRL_UIMOD | USBHS_CTRL_USBE | in usb_dc_attach()
329 /* high-speed */ in usb_dc_attach()
332 /* full-speed */ in usb_dc_attach()
335 USBHS->USBHS_DEVCTRL = regval; in usb_dc_attach()
341 USBHS->USBHS_CTRL = USBHS_CTRL_UIMOD | USBHS_CTRL_USBE; in usb_dc_attach()
344 USBHS->USBHS_DEVIER = USBHS_DEVIER_EORSMES; in usb_dc_attach()
345 USBHS->USBHS_DEVIER = USBHS_DEVIER_EORSTES; in usb_dc_attach()
346 USBHS->USBHS_DEVIER = USBHS_DEVIER_SUSPES; in usb_dc_attach()
348 USBHS->USBHS_DEVIER = USBHS_DEVIER_SOFES; in usb_dc_attach()
357 USBHS->USBHS_DEVCTRL &= ~USBHS_DEVCTRL_DETACH; in usb_dc_attach()
369 USBHS->USBHS_DEVCTRL |= USBHS_DEVCTRL_DETACH; in usb_dc_detach()
375 USBHS->USBHS_CTRL = USBHS_CTRL_UIMOD | USBHS_CTRL_FRZCLK; in usb_dc_detach()
392 USBHS->USBHS_CTRL = USBHS_CTRL_UIMOD | USBHS_CTRL_FRZCLK; in usb_dc_reset()
408 USBHS->USBHS_DEVCTRL &= ~(USBHS_DEVCTRL_UADD_Msk | USBHS_DEVCTRL_ADDEN); in usb_dc_set_address()
409 USBHS->USBHS_DEVCTRL |= USBHS_DEVCTRL_UADD(addr); in usb_dc_set_address()
426 uint8_t ep_idx = USB_EP_GET_IDX(cfg->ep_addr); in usb_dc_ep_check_cap()
430 return -1; in usb_dc_ep_check_cap()
434 if (cfg->ep_type != USB_DC_EP_CONTROL) { in usb_dc_ep_check_cap()
435 LOG_ERR("pre-selected as control endpoint"); in usb_dc_ep_check_cap()
436 return -1; in usb_dc_ep_check_cap()
439 if (USB_EP_GET_DIR(cfg->ep_addr) != USB_EP_DIR_IN) { in usb_dc_ep_check_cap()
440 LOG_INF("pre-selected as IN endpoint"); in usb_dc_ep_check_cap()
441 return -1; in usb_dc_ep_check_cap()
444 if (USB_EP_GET_DIR(cfg->ep_addr) != USB_EP_DIR_OUT) { in usb_dc_ep_check_cap()
445 LOG_INF("pre-selected as OUT endpoint"); in usb_dc_ep_check_cap()
446 return -1; in usb_dc_ep_check_cap()
450 if (cfg->ep_mps < 1 || cfg->ep_mps > 1024 || in usb_dc_ep_check_cap()
451 (cfg->ep_type == USB_DC_EP_CONTROL && cfg->ep_mps > 64)) { in usb_dc_ep_check_cap()
453 return -1; in usb_dc_ep_check_cap()
462 uint8_t ep_idx = USB_EP_GET_IDX(cfg->ep_addr); in usb_dc_ep_configure()
469 return -EINVAL; in usb_dc_ep_configure()
474 return -ENODEV; in usb_dc_ep_configure()
479 return -EBUSY; in usb_dc_ep_configure()
482 LOG_INF("Configure ep %x, mps %d, type %d", cfg->ep_addr, cfg->ep_mps, in usb_dc_ep_configure()
483 cfg->ep_type); in usb_dc_ep_configure()
491 switch (cfg->ep_type) { in usb_dc_ep_configure()
505 return -EINVAL; in usb_dc_ep_configure()
509 if (USB_EP_DIR_IS_OUT(cfg->ep_addr) || in usb_dc_ep_configure()
510 cfg->ep_type == USB_DC_EP_CONTROL) { in usb_dc_ep_configure()
520 log2ceil_mps = 32 - __builtin_clz((MAX(cfg->ep_mps, 8) << 1) - 1) - 1; in usb_dc_ep_configure()
521 regval |= USBHS_DEVEPTCFG_EPSIZE(log2ceil_mps - 3); in usb_dc_ep_configure()
522 dev_data.ep_data[ep_idx].mps = cfg->ep_mps; in usb_dc_ep_configure()
525 if (cfg->ep_type == USB_DC_EP_ISOCHRONOUS) { in usb_dc_ep_configure()
532 USBHS->USBHS_DEVEPTCFG[ep_idx] = regval; in usb_dc_ep_configure()
541 for (int i = NUM_OF_EP_MAX - 1; i > ep_idx; i--) { in usb_dc_ep_configure()
550 USBHS->USBHS_DEVEPTCFG[i] &= ~USBHS_DEVEPTCFG_ALLOC; in usb_dc_ep_configure()
557 USBHS->USBHS_DEVEPTCFG[i] |= USBHS_DEVEPTCFG_ALLOC; in usb_dc_ep_configure()
567 return -EINVAL; in usb_dc_ep_configure()
580 return -EINVAL; in usb_dc_ep_set_stall()
583 USBHS->USBHS_DEVEPTIER[ep_idx] = USBHS_DEVEPTIER_CTRL_STALLRQS; in usb_dc_ep_set_stall()
596 return -EINVAL; in usb_dc_ep_clear_stall()
599 USBHS->USBHS_DEVEPTIDR[ep_idx] = USBHS_DEVEPTIDR_CTRL_STALLRQC; in usb_dc_ep_clear_stall()
612 return -EINVAL; in usb_dc_ep_is_stalled()
616 return -EINVAL; in usb_dc_ep_is_stalled()
619 *stalled = (USBHS->USBHS_DEVEPTIMR[ep_idx] & in usb_dc_ep_is_stalled()
639 return -EINVAL; in usb_dc_ep_enable()
644 return -ENODEV; in usb_dc_ep_enable()
648 USBHS->USBHS_DEVEPT |= BIT(USBHS_DEVEPT_EPEN0_Pos + ep_idx); in usb_dc_ep_enable()
651 USBHS->USBHS_DEVIER = BIT(USBHS_DEVIER_PEP_0_Pos + ep_idx); in usb_dc_ep_enable()
668 return -EINVAL; in usb_dc_ep_disable()
672 USBHS->USBHS_DEVIDR = BIT(USBHS_DEVIDR_PEP_0_Pos + ep_idx); in usb_dc_ep_disable()
675 USBHS->USBHS_DEVEPT &= ~BIT(USBHS_DEVEPT_EPEN0_Pos + ep_idx); in usb_dc_ep_disable()
689 return -EINVAL; in usb_dc_ep_flush()
694 return -ENODEV; in usb_dc_ep_flush()
698 USBHS->USBHS_DEVEPTIDR[ep_idx] = USBHS_DEVEPTIDR_TXINEC; in usb_dc_ep_flush()
701 if (USBHS->USBHS_DEVEPTISR[ep_idx] & USBHS_DEVEPTISR_NBUSYBK_Msk) { in usb_dc_ep_flush()
702 USBHS->USBHS_DEVEPTIER[ep_idx] = USBHS_DEVEPTIER_KILLBKS; in usb_dc_ep_flush()
704 while (USBHS->USBHS_DEVEPTIMR[ep_idx] & in usb_dc_ep_flush()
713 /* Re-enable interrupts */ in usb_dc_ep_flush()
728 return -EINVAL; in usb_dc_ep_write()
733 return -ENODEV; in usb_dc_ep_write()
738 return -EINVAL; in usb_dc_ep_write()
741 if ((USBHS->USBHS_DEVEPTIMR[ep_idx] & USBHS_DEVEPTIMR_CTRL_STALLRQ) in usb_dc_ep_write()
744 return -EBUSY; in usb_dc_ep_write()
757 * and re-enable the interrupts to trigger an interrupt at the in usb_dc_ep_write()
760 USBHS->USBHS_DEVEPTICR[ep_idx] = USBHS_DEVEPTICR_TXINIC; in usb_dc_ep_write()
761 USBHS->USBHS_DEVEPTIER[ep_idx] = USBHS_DEVEPTIER_TXINES; in usb_dc_ep_write()
767 USBHS->USBHS_DEVEPTIDR[ep_idx] = USBHS_DEVEPTIDR_FIFOCONC; in usb_dc_ep_write()
792 * call would fetch the data len and we simply return. in usb_dc_ep_read()
798 if (!(USBHS->USBHS_DEVEPTISR[ep_idx] & USBHS_DEVEPTISR_RWALL)) { in usb_dc_ep_read()
813 return -EINVAL; in usb_dc_ep_set_callback()
831 uint32_t data_len = (USBHS->USBHS_DEVEPTISR[ep_idx] & in usb_dc_ep_read_wait()
836 return -EINVAL; in usb_dc_ep_read_wait()
841 return -ENODEV; in usb_dc_ep_read_wait()
846 return -EINVAL; in usb_dc_ep_read_wait()
849 if ((USBHS->USBHS_DEVEPTIMR[ep_idx] & USBHS_DEVEPTIMR_CTRL_STALLRQ) in usb_dc_ep_read_wait()
852 return -EBUSY; in usb_dc_ep_read_wait()
892 return -EINVAL; in usb_dc_ep_read_continue()
897 return -ENODEV; in usb_dc_ep_read_continue()
902 return -EINVAL; in usb_dc_ep_read_continue()
911 USBHS->USBHS_DEVEPTICR[ep_idx] = USBHS_DEVEPTICR_RXOUTIC; in usb_dc_ep_read_continue()
912 USBHS->USBHS_DEVEPTICR[ep_idx] = USBHS_DEVEPTICR_CTRL_RXSTPIC; in usb_dc_ep_read_continue()
918 USBHS->USBHS_DEVEPTIDR[ep_idx] = USBHS_DEVEPTIDR_FIFOCONC; in usb_dc_ep_read_continue()
932 return -EINVAL; in usb_dc_ep_mps()