119 	struct smartbond_ep_state ep_state[2][4];  member
123 #define EP0_OUT_STATE(data) (&data->ep_state[0][0])
124 #define EP0_IN_STATE(data)  (&data->ep_state[1][0])
241 	return (ep_idx < config->num_of_eps) ? &data->ep_state[ep_dir][ep_idx] : NULL;  in usb_dc_get_ep_state()
249 	return ep_idx < config->num_of_eps ? &data->ep_state[0][ep_idx] : NULL;  in usb_dc_get_ep_out_state()
257 	return ep_idx < config->num_of_eps ? &data->ep_state[1][ep_idx] : NULL;  in usb_dc_get_ep_in_state()
271 static void fill_tx_fifo(struct smartbond_ep_state *ep_state)  in fill_tx_fifo()  argument
275 	struct smartbond_ep_reg_set *regs = ep_state->regs;  in fill_tx_fifo()
276 	struct net_buf *buf = ep_state->buf;  in fill_tx_fifo()
277 	const struct udc_ep_config *const ep_cfg = &ep_state->config;  in fill_tx_fifo()
283 	if (remaining > mps - ep_state->last_packet_size) {  in fill_tx_fifo()
284 		remaining = mps - ep_state->last_packet_size;  in fill_tx_fifo()
293 		ep_state->last_packet_size++;  in fill_tx_fifo()
324 static bool try_allocate_dma(struct usb_smartbond_data *data, struct smartbond_ep_state *ep_state)  in try_allocate_dma()  argument
326 	struct udc_ep_config *const ep_cfg = &ep_state->config;  in try_allocate_dma()
331 	if (atomic_ptr_cas(&data->dma_ep[dir_ix], NULL, ep_state)) {  in try_allocate_dma()
358 static void start_rx_packet(struct usb_smartbond_data *data, struct smartbond_ep_state *ep_state)  in start_rx_packet()  argument
360 	struct udc_ep_config *const ep_cfg = &ep_state->config;  in start_rx_packet()
363 	struct smartbond_ep_reg_set *regs = ep_state->regs;  in start_rx_packet()
364 	struct net_buf *buf = ep_state->buf;  in start_rx_packet()
371 	ep_state->last_packet_size = 0;  in start_rx_packet()
374 		if (try_allocate_dma(data, ep_state)) {  in start_rx_packet()
410 static void start_tx_packet(struct usb_smartbond_data *data, struct smartbond_ep_state *ep_state)  in start_tx_packet()  argument
413 	struct smartbond_ep_reg_set *regs = ep_state->regs;  in start_tx_packet()
414 	struct udc_ep_config *const ep_cfg = &ep_state->config;  in start_tx_packet()
415 	struct net_buf *buf = ep_state->buf;  in start_tx_packet()
424 	ep_state->last_packet_size = 0;  in start_tx_packet()
434 	    (uint32_t)(buf->data) >= CONFIG_SRAM_BASE_ADDRESS && try_allocate_dma(data, ep_state)) {  in start_tx_packet()
437 		fill_tx_fifo(ep_state);  in start_tx_packet()
453 static uint16_t read_rx_fifo(struct smartbond_ep_state *ep_state, uint8_t *dst,  in read_rx_fifo()  argument
456 	struct smartbond_ep_reg_set *regs = ep_state->regs;  in read_rx_fifo()
457 	struct udc_ep_config *const ep_cfg = &ep_state->config;  in read_rx_fifo()
459 	uint16_t remaining = mps - ep_state->last_packet_size;  in read_rx_fifo()
470 	ep_state->last_packet_size += receive_this_time;  in read_rx_fifo()
532 	struct smartbond_ep_state *ep_state = (struct smartbond_ep_state *)(ep_cfg);  in udc_smartbond_ep_abort()  local
537 	if (data->dma_ep[0] == ep_state) {  in udc_smartbond_ep_abort()
540 	} else if (data->dma_ep[1] == ep_state) {  in udc_smartbond_ep_abort()
546 		ep_state->regs->rxc |= USB_USB_RXC0_REG_USB_FLUSH_Msk;  in udc_smartbond_ep_abort()
547 		ep_state->regs->rxc &= ~USB_USB_RXC0_REG_USB_FLUSH_Msk;  in udc_smartbond_ep_abort()
549 		ep_state->regs->txc |= USB_USB_TXC0_REG_USB_FLUSH_Msk;  in udc_smartbond_ep_abort()
550 		ep_state->regs->txc &= ~USB_USB_TXC0_REG_USB_FLUSH_Msk;  in udc_smartbond_ep_abort()
557 	struct smartbond_ep_state *ep_state = usb_dc_get_ep_in_state(data, USB_EP_GET_IDX(ep));  in udc_smartbond_ep_tx()  local
561 	    (ep_state->regs->epc_in & USB_USB_EPC1_REG_USB_STALL_Msk) != 0) {  in udc_smartbond_ep_tx()
569 		ep_state->buf = buf;  in udc_smartbond_ep_tx()
570 		ep_state->last_packet_size = 0;  in udc_smartbond_ep_tx()
572 		start_tx_packet(data, ep_state);  in udc_smartbond_ep_tx()
583 	struct smartbond_ep_state *ep_state = usb_dc_get_ep_out_state(data, USB_EP_GET_IDX(ep));  in udc_smartbond_ep_rx()  local
595 		ep_state->last_packet_size = 0;  in udc_smartbond_ep_rx()
596 		ep_state->buf = buf;  in udc_smartbond_ep_rx()
598 		start_rx_packet(data, ep_state);  in udc_smartbond_ep_rx()
666 	struct smartbond_ep_state *ep_state;  in udc_smartbond_ep_enable()  local
674 	ep_state = (struct smartbond_ep_state *)(ep_cfg);  in udc_smartbond_ep_enable()
676 		ep_state->regs->txc &= ~USB_USB_TXC0_REG_USB_IGN_IN_Msk;  in udc_smartbond_ep_enable()
678 			ep_state->regs->epc_in |= USB_USB_EPC1_REG_USB_EP_EN_Msk |  in udc_smartbond_ep_enable()
685 		ep_state->regs->rxc &= ~USB_USB_RXC0_REG_USB_IGN_OUT_Msk;  in udc_smartbond_ep_enable()
687 			ep_state->regs->rxc &= ~USB_USB_RXC0_REG_USB_IGN_SETUP_Msk;  in udc_smartbond_ep_enable()
689 			ep_state->regs->epc_out = USB_USB_EPC2_REG_USB_EP_EN_Msk |  in udc_smartbond_ep_enable()
704 	struct smartbond_ep_state *ep_state;  in udc_smartbond_ep_disable()  local
708 	ep_state = usb_dc_get_ep_state(data, ep);  in udc_smartbond_ep_disable()
710 		ep_state->regs->txc =  in udc_smartbond_ep_disable()
713 		ep_state->regs->rxc =  in udc_smartbond_ep_disable()
722 	struct smartbond_ep_state *ep_state = (struct smartbond_ep_state *)(ep_cfg);  in udc_smartbond_ep_set_halt()  local
741 		ep_state->regs->rxc |= USB_USB_RXC0_REG_USB_RX_EN_Msk;  in udc_smartbond_ep_set_halt()
742 		ep_state->regs->epc_in |= USB_USB_EPC0_REG_USB_STALL_Msk;  in udc_smartbond_ep_set_halt()
744 		ep_state->regs->epc_out = USB_USB_EPC1_REG_USB_STALL_Msk;  in udc_smartbond_ep_set_halt()
745 		ep_state->regs->rxc = USB_USB_RXC1_REG_USB_RX_EN_Msk;  in udc_smartbond_ep_set_halt()
747 		ep_state->regs->epc_in |= USB_USB_EPC1_REG_USB_STALL_Msk;  in udc_smartbond_ep_set_halt()
748 		ep_state->regs->txc =  in udc_smartbond_ep_set_halt()
758 	struct smartbond_ep_state *ep_state = (struct smartbond_ep_state *)(ep_cfg);  in udc_smartbond_ep_clear_halt()  local
770 		ep_state->regs->epc_out &= ~USB_USB_EPC1_REG_USB_STALL_Msk;  in udc_smartbond_ep_clear_halt()
773 		ep_state->regs->epc_in &= ~USB_USB_EPC1_REG_USB_STALL_Msk;  in udc_smartbond_ep_clear_halt()
850 			if (data->ep_state[0][0].buf != NULL) {  in check_reset_end()
918 	struct smartbond_ep_state *ep_state = usb_dc_get_ep_out_state(data, ep_idx);  in handle_epx_rx_ev()  local
920 	struct smartbond_ep_reg_set *regs = ep_state->regs;  in handle_epx_rx_ev()
921 	struct udc_ep_config *const ep_cfg = &ep_state->config;  in handle_epx_rx_ev()
922 	struct net_buf *buf = ep_state->buf;  in handle_epx_rx_ev()
929 			ep_state->last_packet_size = 0;  in handle_epx_rx_ev()
930 			if (data->dma_ep[0] == ep_state) {  in handle_epx_rx_ev()
941 		if (data->dma_ep[0] == ep_state) {  in handle_epx_rx_ev()
951 			ep_state->last_packet_size = rx_dma_status.total_copied;  in handle_epx_rx_ev()
959 			if (ep_state->last_packet_size ==  in handle_epx_rx_ev()
961 				ep_state->last_packet_size++;  in handle_epx_rx_ev()
973 			fifo_bytes = read_rx_fifo(ep_state,  in handle_epx_rx_ev()
974 						  net_buf_tail(buf) + ep_state->last_packet_size,  in handle_epx_rx_ev()
979 			if (!ep_state->iso &&  in handle_epx_rx_ev()
983 				ep_state->last_packet_size = 0;  in handle_epx_rx_ev()
986 				start_rx_packet(data, ep_state);  in handle_epx_rx_ev()
990 				net_buf_add(buf, ep_state->last_packet_size);  in handle_epx_rx_ev()
993 				    ep_state->last_packet_size < udc_mps_ep_size(ep_cfg) ||  in handle_epx_rx_ev()
994 				    ep_state->iso) {  in handle_epx_rx_ev()
1004 				start_rx_packet(data, ep_state);  in handle_epx_rx_ev()
1025 static void handle_epx_tx_ev(struct usb_smartbond_data *data, struct smartbond_ep_state *ep_state)  in handle_epx_tx_ev()  argument
1029 	struct smartbond_ep_reg_set *regs = ep_state->regs;  in handle_epx_tx_ev()
1030 	struct udc_ep_config *const ep_cfg = &ep_state->config;  in handle_epx_tx_ev()
1031 	struct net_buf *buf = ep_state->buf;  in handle_epx_tx_ev()
1037 		if (data->dma_ep[1] == ep_state) {  in handle_epx_tx_ev()
1047 			ep_state->last_packet_size = tx_dma_status.total_copied + 1;  in handle_epx_tx_ev()
1054 			net_buf_pull(buf, ep_state->last_packet_size);  in handle_epx_tx_ev()
1055 			ep_state->last_packet_size = 0;  in handle_epx_tx_ev()
1088 	start_tx_packet(data, ep_state);  in handle_epx_tx_ev()
1193 		data->ep_state[1][i].buf = NULL;  in handle_bus_reset()
1194 		data->ep_state[1][i].config.stat.busy = 0;  in handle_bus_reset()
1230 	struct smartbond_ep_state *ep_state;  in handle_alt_ev()  local
1242 			if (data->ep_state[0][0].buf != NULL) {  in handle_alt_ev()
1249 				ep_state = usb_dc_get_ep_out_state(data, ep_idx);  in handle_alt_ev()
1250 				if (!ep_state->config.stat.halted) {  in handle_alt_ev()
1251 					start_rx_packet(data, ep_state);  in handle_alt_ev()
1317 			if (data->ep_state[0][0].buf != NULL) {  in udc_smartbond_isr()
1434 	struct smartbond_ep_state *ep_state = EP0_OUT_STATE(data);  in usbd_ctrl_feed_dout()  local
1435 	struct udc_ep_config *const ep_cfg = &ep_state->config;  in usbd_ctrl_feed_dout()
1444 	ep_state->buf = buf;  in usbd_ctrl_feed_dout()
1445 	start_rx_packet(data, ep_state);  in usbd_ctrl_feed_dout()
1648 		data->ep_state[0][i].config.caps.out = 1;  in udc_smartbond_init()
1650 			data->ep_state[0][i].config.caps.control = 1;  in udc_smartbond_init()
1651 			data->ep_state[0][i].config.caps.mps = 8;  in udc_smartbond_init()
1653 			data->ep_state[0][i].config.caps.bulk = 1;  in udc_smartbond_init()
1654 			data->ep_state[0][i].config.caps.interrupt = 1;  in udc_smartbond_init()
1655 			data->ep_state[0][i].config.caps.iso = 1;  in udc_smartbond_init()
1656 			data->ep_state[0][i].config.caps.mps = mps;  in udc_smartbond_init()
1658 		data->ep_state[0][i].config.addr = USB_EP_DIR_OUT | i;  in udc_smartbond_init()
1659 		err = udc_register_ep(dev, &data->ep_state[0][i].config);  in udc_smartbond_init()
1664 		data->ep_state[0][i].regs = reg_set + i;  in udc_smartbond_init()
1668 		data->ep_state[1][i].config.caps.in = 1;  in udc_smartbond_init()
1670 			data->ep_state[1][i].config.caps.control = 1;  in udc_smartbond_init()
1671 			data->ep_state[1][i].config.caps.mps = 8;  in udc_smartbond_init()
1673 			data->ep_state[1][i].config.caps.bulk = 1;  in udc_smartbond_init()
1674 			data->ep_state[1][i].config.caps.interrupt = 1;  in udc_smartbond_init()
1675 			data->ep_state[1][i].config.caps.iso = 1;  in udc_smartbond_init()
1676 			data->ep_state[1][i].config.caps.mps = mps;  in udc_smartbond_init()
1679 		data->ep_state[1][i].config.addr = USB_EP_DIR_IN | i;  in udc_smartbond_init()
1680 		err = udc_register_ep(dev, &data->ep_state[1][i].config);  in udc_smartbond_init()
1685 		data->ep_state[1][i].regs = reg_set + i;  in udc_smartbond_init()