32 static int eth_enc28j60_soft_reset(const struct device *dev)  in eth_enc28j60_soft_reset()  argument
34 	const struct eth_enc28j60_config *config = dev->config;  in eth_enc28j60_soft_reset()
48 static void eth_enc28j60_set_bank(const struct device *dev, uint16_t reg_addr)  in eth_enc28j60_set_bank()  argument
50 	const struct eth_enc28j60_config *config = dev->config;  in eth_enc28j60_set_bank()
78 		LOG_DBG("%s: Failure while setting bank to 0x%04x", dev->name, reg_addr);  in eth_enc28j60_set_bank()
82 static void eth_enc28j60_write_reg(const struct device *dev,  in eth_enc28j60_write_reg()  argument
86 	const struct eth_enc28j60_config *config = dev->config;  in eth_enc28j60_write_reg()
103 static void eth_enc28j60_read_reg(const struct device *dev, uint16_t reg_addr,  in eth_enc28j60_read_reg()  argument
106 	const struct eth_enc28j60_config *config = dev->config;  in eth_enc28j60_read_reg()
137 		LOG_DBG("%s: Failure while reading register 0x%04x", dev->name, reg_addr);  in eth_enc28j60_read_reg()
142 static void eth_enc28j60_set_eth_reg(const struct device *dev,  in eth_enc28j60_set_eth_reg()  argument
146 	const struct eth_enc28j60_config *config = dev->config;  in eth_enc28j60_set_eth_reg()
164 static void eth_enc28j60_clear_eth_reg(const struct device *dev,  in eth_enc28j60_clear_eth_reg()  argument
168 	const struct eth_enc28j60_config *config = dev->config;  in eth_enc28j60_clear_eth_reg()
185 static void eth_enc28j60_write_mem(const struct device *dev,  in eth_enc28j60_write_mem()  argument
189 	const struct eth_enc28j60_config *config = dev->config;  in eth_enc28j60_write_mem()
213 			LOG_ERR("%s: Failed to write memory", dev->name);  in eth_enc28j60_write_mem()
223 			LOG_ERR("%s: Failed to write memory", dev->name);  in eth_enc28j60_write_mem()
228 static void eth_enc28j60_read_mem(const struct device *dev,  in eth_enc28j60_read_mem()  argument
232 	const struct eth_enc28j60_config *config = dev->config;  in eth_enc28j60_read_mem()
265 			LOG_ERR("%s: Failed to read memory", dev->name);  in eth_enc28j60_read_mem()
275 			LOG_ERR("%s: Failed to read memory", dev->name);  in eth_enc28j60_read_mem()
280 static void eth_enc28j60_write_phy(const struct device *dev,  in eth_enc28j60_write_phy()  argument
286 	eth_enc28j60_set_bank(dev, ENC28J60_REG_MIREGADR);  in eth_enc28j60_write_phy()
287 	eth_enc28j60_write_reg(dev, ENC28J60_REG_MIREGADR, reg_addr);  in eth_enc28j60_write_phy()
288 	eth_enc28j60_write_reg(dev, ENC28J60_REG_MIWRL, data & 0xFF);  in eth_enc28j60_write_phy()
289 	eth_enc28j60_write_reg(dev, ENC28J60_REG_MIWRH, data >> 8);  in eth_enc28j60_write_phy()
290 	eth_enc28j60_set_bank(dev, ENC28J60_REG_MISTAT);  in eth_enc28j60_write_phy()
295 		eth_enc28j60_read_reg(dev, ENC28J60_REG_MISTAT,  in eth_enc28j60_write_phy()
300 static void eth_enc28j60_read_phy(const struct device *dev,  in eth_enc28j60_read_phy()  argument
308 	eth_enc28j60_set_bank(dev, ENC28J60_REG_MIREGADR);  in eth_enc28j60_read_phy()
309 	eth_enc28j60_write_reg(dev, ENC28J60_REG_MIREGADR, reg_addr);  in eth_enc28j60_read_phy()
310 	eth_enc28j60_write_reg(dev, ENC28J60_REG_MICMD,  in eth_enc28j60_read_phy()
312 	eth_enc28j60_set_bank(dev, ENC28J60_REG_MISTAT);  in eth_enc28j60_read_phy()
317 		eth_enc28j60_read_reg(dev, ENC28J60_REG_MISTAT,  in eth_enc28j60_read_phy()
321 	eth_enc28j60_set_bank(dev, ENC28J60_REG_MIREGADR);  in eth_enc28j60_read_phy()
322 	eth_enc28j60_write_reg(dev, ENC28J60_REG_MICMD, 0x0);  in eth_enc28j60_read_phy()
323 	eth_enc28j60_read_reg(dev, ENC28J60_REG_MIRDL, &lsb);  in eth_enc28j60_read_phy()
324 	eth_enc28j60_read_reg(dev, ENC28J60_REG_MIRDH, &msb);  in eth_enc28j60_read_phy()
329 static void eth_enc28j60_gpio_callback(const struct device *dev,  in eth_enc28j60_gpio_callback()  argument
339 static int eth_enc28j60_init_buffers(const struct device *dev)  in eth_enc28j60_init_buffers()  argument
342 	const struct eth_enc28j60_config *config = dev->config;  in eth_enc28j60_init_buffers()
345 	eth_enc28j60_set_bank(dev, ENC28J60_REG_ERXSTL);  in eth_enc28j60_init_buffers()
346 	eth_enc28j60_write_reg(dev, ENC28J60_REG_ERXSTL,  in eth_enc28j60_init_buffers()
348 	eth_enc28j60_write_reg(dev, ENC28J60_REG_ERXSTH,  in eth_enc28j60_init_buffers()
350 	eth_enc28j60_write_reg(dev, ENC28J60_REG_ERXRDPTL,  in eth_enc28j60_init_buffers()
352 	eth_enc28j60_write_reg(dev, ENC28J60_REG_ERXRDPTH,  in eth_enc28j60_init_buffers()
354 	eth_enc28j60_write_reg(dev, ENC28J60_REG_ERXNDL,  in eth_enc28j60_init_buffers()
356 	eth_enc28j60_write_reg(dev, ENC28J60_REG_ERXNDH,  in eth_enc28j60_init_buffers()
358 	eth_enc28j60_write_reg(dev, ENC28J60_REG_ETXSTL,  in eth_enc28j60_init_buffers()
360 	eth_enc28j60_write_reg(dev, ENC28J60_REG_ETXSTH,  in eth_enc28j60_init_buffers()
362 	eth_enc28j60_write_reg(dev, ENC28J60_REG_ETXNDL,  in eth_enc28j60_init_buffers()
364 	eth_enc28j60_write_reg(dev, ENC28J60_REG_ETXNDH,  in eth_enc28j60_init_buffers()
366 	eth_enc28j60_write_reg(dev, ENC28J60_REG_ERDPTL,  in eth_enc28j60_init_buffers()
368 	eth_enc28j60_write_reg(dev, ENC28J60_REG_ERDPTH,  in eth_enc28j60_init_buffers()
370 	eth_enc28j60_write_reg(dev, ENC28J60_REG_EWRPTL,  in eth_enc28j60_init_buffers()
372 	eth_enc28j60_write_reg(dev, ENC28J60_REG_EWRPTH,  in eth_enc28j60_init_buffers()
375 	eth_enc28j60_set_bank(dev, ENC28J60_REG_ERXFCON);  in eth_enc28j60_init_buffers()
376 	eth_enc28j60_write_reg(dev, ENC28J60_REG_ERXFCON,  in eth_enc28j60_init_buffers()
390 		eth_enc28j60_read_reg(dev, ENC28J60_REG_ESTAT, &data_estat);  in eth_enc28j60_init_buffers()
396 static void eth_enc28j60_init_mac(const struct device *dev)  in eth_enc28j60_init_mac()  argument
398 	const struct eth_enc28j60_config *config = dev->config;  in eth_enc28j60_init_mac()
399 	struct eth_enc28j60_runtime *context = dev->data;  in eth_enc28j60_init_mac()
402 	eth_enc28j60_set_bank(dev, ENC28J60_REG_MACON1);  in eth_enc28j60_init_mac()
405 	eth_enc28j60_read_reg(dev, ENC28J60_REG_MACON1, &data_macon);  in eth_enc28j60_init_mac()
408 	eth_enc28j60_write_reg(dev, ENC28J60_REG_MACON1, data_macon);  in eth_enc28j60_init_mac()
416 	eth_enc28j60_write_reg(dev, ENC28J60_REG_MACON3, data_macon);  in eth_enc28j60_init_mac()
417 	eth_enc28j60_write_reg(dev, ENC28J60_REG_MAIPGL, ENC28J60_MAC_NBBIPGL);  in eth_enc28j60_init_mac()
420 		eth_enc28j60_write_reg(dev, ENC28J60_REG_MAIPGH,  in eth_enc28j60_init_mac()
422 		eth_enc28j60_write_reg(dev, ENC28J60_REG_MABBIPG,  in eth_enc28j60_init_mac()
425 		eth_enc28j60_write_reg(dev, ENC28J60_REG_MABBIPG,  in eth_enc28j60_init_mac()
427 		eth_enc28j60_write_reg(dev, ENC28J60_REG_MACON4, 1 << 6);  in eth_enc28j60_init_mac()
431 	eth_enc28j60_set_bank(dev, ENC28J60_REG_MAADR1);  in eth_enc28j60_init_mac()
432 	eth_enc28j60_write_reg(dev, ENC28J60_REG_MAADR6,  in eth_enc28j60_init_mac()
434 	eth_enc28j60_write_reg(dev, ENC28J60_REG_MAADR5,  in eth_enc28j60_init_mac()
436 	eth_enc28j60_write_reg(dev, ENC28J60_REG_MAADR4,  in eth_enc28j60_init_mac()
438 	eth_enc28j60_write_reg(dev, ENC28J60_REG_MAADR3,  in eth_enc28j60_init_mac()
440 	eth_enc28j60_write_reg(dev, ENC28J60_REG_MAADR2,  in eth_enc28j60_init_mac()
442 	eth_enc28j60_write_reg(dev, ENC28J60_REG_MAADR1,  in eth_enc28j60_init_mac()
446 static void eth_enc28j60_init_phy(const struct device *dev)  in eth_enc28j60_init_phy()  argument
448 	const struct eth_enc28j60_config *config = dev->config;  in eth_enc28j60_init_phy()
451 		eth_enc28j60_write_phy(dev, ENC28J60_PHY_PHCON1,  in eth_enc28j60_init_phy()
453 		eth_enc28j60_write_phy(dev, ENC28J60_PHY_PHCON2, 0x0);  in eth_enc28j60_init_phy()
455 		eth_enc28j60_write_phy(dev, ENC28J60_PHY_PHCON1, 0x0);  in eth_enc28j60_init_phy()
456 		eth_enc28j60_write_phy(dev, ENC28J60_PHY_PHCON2,  in eth_enc28j60_init_phy()
466 static int eth_enc28j60_tx(const struct device *dev, struct net_pkt *pkt)  in eth_enc28j60_tx()  argument
468 	struct eth_enc28j60_runtime *context = dev->data;  in eth_enc28j60_tx()
476 	LOG_DBG("%s: pkt %p (len %u)", dev->name, pkt, len);  in eth_enc28j60_tx()
488 	eth_enc28j60_set_eth_reg(dev, ENC28J60_REG_ECON1,  in eth_enc28j60_tx()
490 	eth_enc28j60_clear_eth_reg(dev, ENC28J60_REG_ECON1,  in eth_enc28j60_tx()
494 	eth_enc28j60_set_bank(dev, ENC28J60_REG_ETXSTL);  in eth_enc28j60_tx()
495 	eth_enc28j60_write_reg(dev, ENC28J60_REG_EWRPTL, tx_bufaddr & 0xFF);  in eth_enc28j60_tx()
496 	eth_enc28j60_write_reg(dev, ENC28J60_REG_EWRPTH, tx_bufaddr >> 8);  in eth_enc28j60_tx()
497 	eth_enc28j60_write_reg(dev, ENC28J60_REG_ETXSTL, tx_bufaddr & 0xFF);  in eth_enc28j60_tx()
498 	eth_enc28j60_write_reg(dev, ENC28J60_REG_ETXSTH, tx_bufaddr >> 8);  in eth_enc28j60_tx()
502 	eth_enc28j60_write_mem(dev, &per_packet_control, 1);  in eth_enc28j60_tx()
505 		eth_enc28j60_write_mem(dev, frag->data, frag->len);  in eth_enc28j60_tx()
509 	eth_enc28j60_write_reg(dev, ENC28J60_REG_ETXNDL,  in eth_enc28j60_tx()
511 	eth_enc28j60_write_reg(dev, ENC28J60_REG_ETXNDH, tx_bufaddr_end >> 8);  in eth_enc28j60_tx()
514 	eth_enc28j60_set_eth_reg(dev, ENC28J60_REG_ECON1,  in eth_enc28j60_tx()
520 		eth_enc28j60_read_reg(dev, ENC28J60_REG_EIR, &tx_end);  in eth_enc28j60_tx()
525 	eth_enc28j60_read_reg(dev, ENC28J60_REG_ESTAT, &tx_end);  in eth_enc28j60_tx()
530 		LOG_ERR("%s: TX failed!", dev->name);  in eth_enc28j60_tx()
539 		eth_enc28j60_clear_eth_reg(dev, ENC28J60_REG_ESTAT,  in eth_enc28j60_tx()
546 	LOG_DBG("%s: Tx successful", dev->name);  in eth_enc28j60_tx()
551 static void enc28j60_read_packet(const struct device *dev, uint16_t frm_len)  in enc28j60_read_packet()  argument
553 	const struct eth_enc28j60_config *config = dev->config;  in enc28j60_read_packet()
554 	struct eth_enc28j60_runtime *context = dev->data;  in enc28j60_read_packet()
564 		LOG_ERR("%s: Could not allocate rx buffer", dev->name);  in enc28j60_read_packet()
588 		eth_enc28j60_read_mem(dev, data_ptr, spi_frame_len);  in enc28j60_read_packet()
598 	eth_enc28j60_read_mem(dev, dummy, 4);  in enc28j60_read_packet()
604 		eth_enc28j60_read_mem(dev, dummy, 1);  in enc28j60_read_packet()
610 	LOG_DBG("%s: Received packet of length %u", dev->name, lengthfr);  in enc28j60_read_packet()
616 static int eth_enc28j60_rx(const struct device *dev)  in eth_enc28j60_rx()  argument
618 	struct eth_enc28j60_runtime *context = dev->data;  in eth_enc28j60_rx()
625 	eth_enc28j60_set_bank(dev, ENC28J60_REG_EPKTCNT);  in eth_enc28j60_rx()
626 	eth_enc28j60_read_reg(dev, ENC28J60_REG_EPKTCNT, &counter);  in eth_enc28j60_rx()
641 		eth_enc28j60_set_bank(dev, ENC28J60_REG_ERXRDPTL);  in eth_enc28j60_rx()
642 		eth_enc28j60_read_reg(dev, ENC28J60_REG_ERXRDPTL, &rdptl);  in eth_enc28j60_rx()
643 		eth_enc28j60_read_reg(dev, ENC28J60_REG_ERXRDPTH, &rdpth);  in eth_enc28j60_rx()
644 		eth_enc28j60_write_reg(dev, ENC28J60_REG_ERDPTL, rdptl);  in eth_enc28j60_rx()
645 		eth_enc28j60_write_reg(dev, ENC28J60_REG_ERDPTH, rdpth);  in eth_enc28j60_rx()
648 		eth_enc28j60_read_mem(dev, info, 2);  in eth_enc28j60_rx()
661 		eth_enc28j60_read_mem(dev, info, 4);  in eth_enc28j60_rx()
668 		enc28j60_read_packet(dev, frm_len);  in eth_enc28j60_rx()
671 		eth_enc28j60_set_bank(dev, ENC28J60_REG_ERXRDPTL);  in eth_enc28j60_rx()
672 		eth_enc28j60_write_reg(dev, ENC28J60_REG_ERXRDPTL,  in eth_enc28j60_rx()
674 		eth_enc28j60_write_reg(dev, ENC28J60_REG_ERXRDPTH,  in eth_enc28j60_rx()
676 		eth_enc28j60_set_eth_reg(dev, ENC28J60_REG_ECON2,  in eth_enc28j60_rx()
680 		eth_enc28j60_set_bank(dev, ENC28J60_REG_EPKTCNT);  in eth_enc28j60_rx()
681 		eth_enc28j60_read_reg(dev, ENC28J60_REG_EPKTCNT, &counter);  in eth_enc28j60_rx()
690 	eth_enc28j60_clear_eth_reg(dev, ENC28J60_REG_EIR,  in eth_enc28j60_rx()
701 	const struct device *dev = p1;  in eth_enc28j60_rx_thread()  local
702 	struct eth_enc28j60_runtime *context = dev->data;  in eth_enc28j60_rx_thread()
711 		eth_enc28j60_clear_eth_reg(dev, ENC28J60_REG_EIE, ENC28J60_BIT_EIE_INTIE);  in eth_enc28j60_rx_thread()
713 		eth_enc28j60_read_reg(dev, ENC28J60_REG_EIR, &int_stat);  in eth_enc28j60_rx_thread()
718 			eth_enc28j60_read_phy(dev, ENC28J60_PHY_PHIR, &phir);  in eth_enc28j60_rx_thread()
719 			eth_enc28j60_read_phy(dev, ENC28J60_PHY_PHSTAT2, &phstat2);  in eth_enc28j60_rx_thread()
721 				LOG_INF("%s: Link up", dev->name);  in eth_enc28j60_rx_thread()
731 				LOG_INF("%s: Link down", dev->name);  in eth_enc28j60_rx_thread()
742 		eth_enc28j60_rx(dev);  in eth_enc28j60_rx_thread()
745 		eth_enc28j60_set_eth_reg(dev, ENC28J60_REG_EIE, ENC28J60_BIT_EIE_INTIE);  in eth_enc28j60_rx_thread()
749 static enum ethernet_hw_caps eth_enc28j60_get_capabilities(const struct device *dev)  in eth_enc28j60_get_capabilities()  argument
751 	ARG_UNUSED(dev);  in eth_enc28j60_get_capabilities()
762 	const struct device *dev = net_if_get_device(iface);  in eth_enc28j60_iface_init()  local
763 	struct eth_enc28j60_runtime *context = dev->data;  in eth_enc28j60_iface_init()
791 static int eth_enc28j60_init(const struct device *dev)  in eth_enc28j60_init()  argument
793 	const struct eth_enc28j60_config *config = dev->config;  in eth_enc28j60_init()
794 	struct eth_enc28j60_runtime *context = dev->data;  in eth_enc28j60_init()
798 		LOG_ERR("%s: SPI master port %s not ready", dev->name, config->spi.bus->name);  in eth_enc28j60_init()
804 		LOG_ERR("%s: GPIO port %s not ready", dev->name, config->interrupt.port->name);  in eth_enc28j60_init()
809 		LOG_ERR("%s: Unable to configure GPIO pin %u", dev->name, config->interrupt.pin);  in eth_enc28j60_init()
823 	if (eth_enc28j60_soft_reset(dev)) {  in eth_enc28j60_init()
824 		LOG_ERR("%s: Soft-reset failed", dev->name);  in eth_enc28j60_init()
845 	if (eth_enc28j60_init_buffers(dev)) {  in eth_enc28j60_init()
848 	eth_enc28j60_init_mac(dev);  in eth_enc28j60_init()
849 	eth_enc28j60_init_phy(dev);  in eth_enc28j60_init()
852 	eth_enc28j60_set_eth_reg(dev, ENC28J60_REG_EIE, ENC28J60_BIT_EIE_INTIE);  in eth_enc28j60_init()
853 	eth_enc28j60_set_eth_reg(dev, ENC28J60_REG_EIE, ENC28J60_BIT_EIE_PKTIE);  in eth_enc28j60_init()
854 	eth_enc28j60_set_eth_reg(dev, ENC28J60_REG_EIE, ENC28J60_BIT_EIE_LINKIE);  in eth_enc28j60_init()
855 	eth_enc28j60_write_phy(dev, ENC28J60_PHY_PHIE, ENC28J60_BIT_PHIE_PGEIE |  in eth_enc28j60_init()
859 	eth_enc28j60_set_eth_reg(dev, ENC28J60_REG_ECON1,  in eth_enc28j60_init()
866 			(void *)dev, NULL, NULL,  in eth_enc28j60_init()
870 	LOG_INF("%s: Initialized", dev->name);  in eth_enc28j60_init()