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Diffstat (limited to 'cmd/sbc_harness/hw/w5500.h')
| -rw-r--r-- | cmd/sbc_harness/hw/w5500.h | 102 |
1 files changed, 0 insertions, 102 deletions
diff --git a/cmd/sbc_harness/hw/w5500.h b/cmd/sbc_harness/hw/w5500.h deleted file mode 100644 index 2ff04df..0000000 --- a/cmd/sbc_harness/hw/w5500.h +++ /dev/null @@ -1,102 +0,0 @@ -/* hw/w5500.h - libmisc/net.h implementation for the WIZnet W5500 chip - * - * Copyright (C) 2024 Luke T. Shumaker <lukeshu@lukeshu.com> - * SPDX-Licence-Identifier: AGPL-3.0-or-later - */ - -#ifndef _HW_W5500_H_ -#define _HW_W5500_H_ - -#include <libcr_ipc/sema.h> -#include <libcr_ipc/mutex.h> -#include <libmisc/net.h> - -#include "hw/spi.h" - -struct _w5500_tcp_conn { - /* const-after-init */ - implements_net_stream_conn; - /* mutable */ - bool read_open; - bool write_open; -}; - -struct _w5500_tcp_listener { - /* const-after-init */ - implements_net_stream_listener; - uint8_t socknum; - struct _w5500_tcp_conn active_conn; - - /* mutable */ - uint16_t port; - cr_mutex_t cmd_mu; - cr_sema_t listen_sema, read_sema; -}; - -struct w5500 { - /* const-after-init */ - implements_spi *spidev; - uint pin_intr; - uint pin_reset; - struct net_eth_addr hwaddr; - - /* mutable */ - uint16_t next_local_port; - struct _w5500_tcp_listener listeners[8]; - cr_sema_t intr; -}; - -/** - * Initialize a WIZnet W5500 Ethernet-and-TCP/IP-offload chip. - * - * The W5500 has 3 lines of communication with the MCU: - * - * - An SPI-based RPC protocol: - * + mode: mode 0 or mode 3 - * + bit-order: MSB-first - * + clock frequency: 33.3MHz - 80MHz - * - An interrupt pin that it pulls low when an event happens (to let - * the MCU know that it should do an SPI RPC "get" to see what - * happened.) - * - A reset pin that the MCU can pull low to reset the W5500. - */ -#define w5500_init(self, name, spi, pin_intr, pin_reset, eth_addr) do { \ - bi_decl(bi_2pins_with_names(pin_intr, name" interrupt", \ - pin_reset, name" reset")); \ - _w5500_init(self, spi, pin_intr, pin_reset, eth_addr); \ - } while (0) -void _w5500_init(struct w5500 *self, - implements_spi *spi, uint pin_intr, uint pin_reset, - struct net_eth_addr addr); - -/** - * TODO. - */ -void w5500_hard_reset(struct w5500 *self); - -/** - * TODO. - */ -void w5500_soft_reset(struct w5500 *self); - -struct w5500_netcfg { - struct net_ip4_addr gateway_addr; - struct net_ip4_addr subnet_mask; - struct net_ip4_addr addr; -}; - -/** - * TODO. - */ -void w5500_netcfg(struct w5500 *self, struct w5500_netcfg cfg); - -implements_net_stream_listener *w5500_tcp_listen(struct w5500 *self, uint8_t socknum, - uint16_t port); - -/** - * TODO. - */ -implements_net_packet_conn *w5500_udp_conn(struct w5500 *self, uint8_t socknum, - uint16_t port); - -#endif /* _HW_W5500_H_ */ |