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Diffstat (limited to 'c/src/lib/libbsp/arm/nds/wifi/wifi.c')
-rw-r--r--c/src/lib/libbsp/arm/nds/wifi/wifi.c414
1 files changed, 0 insertions, 414 deletions
diff --git a/c/src/lib/libbsp/arm/nds/wifi/wifi.c b/c/src/lib/libbsp/arm/nds/wifi/wifi.c
deleted file mode 100644
index 791c1a9cf8..0000000000
--- a/c/src/lib/libbsp/arm/nds/wifi/wifi.c
+++ /dev/null
@@ -1,414 +0,0 @@
-/*
- * RTEMS for Nintendo DS WiFi driver.
- *
- * Copyright (c) 2008 by Matthieu Bucchianeri <mbucchia@gmail.com>
- * Benjamin Ratier <agho.pwn@gmail.com>
- *
- * The license and distribution terms for this file may be
- * found in the file LICENSE in this distribution or at
- *
- * http://www.rtems.org/license/LICENSE
- */
-
-#include <bsp.h>
-
-#include <stdio.h>
-#include <assert.h>
-#include <errno.h>
-
-#include <rtems/error.h>
-#include <rtems/rtems_bsdnet.h>
-
-#include <sys/param.h>
-#include <sys/mbuf.h>
-#include <sys/socket.h>
-#include <sys/sockio.h>
-
-#include <net/if.h>
-
-#include <netinet/in.h>
-#include <netinet/if_ether.h>
-
-#include <rtems/irq.h>
-
-#include <nds.h>
-#include <dswifi9.h>
-
-/*
- * RTEMS event number used by reception task to receive packet
- */
-
-#define RECEIVE_EVENT RTEMS_EVENT_1
-
-/*
- * RTEMS event number used to start the transmit daemon
- */
-
-#define TRANSMIT_EVENT RTEMS_EVENT_2
-
-/*
- * from compat.c
- */
-
-void compat_wifi_output (struct mbuf *m);
-
-/*
- * wifi driver structure
- */
-
-static struct
-{
- /* The bsdnet information structure */
- struct arpcom arpcom;
-
- /* indicate if the hwaddr is already set */
- uint8_t is_hwaddr_set;
-
- /* the thread ID of the transmit task */
- rtems_id tx_id;
- /* the thread ID of the receive task */
- rtems_id rx_id;
-
- /* reception queue (filled in compat.c:ReceiveHardwarePacket) */
- struct ifqueue recvq;
-} softc;
-
-static void
-print_byte (unsigned char b)
-{
- printk ("%x%x", b >> 4, b & 0x0f);
-}
-
-/*
- * wifi timer function, must be called every 50 ms
- */
-
-static void
-Timer_50ms (void)
-{
- Wifi_Timer (50);
-}
-
-/*
- * notification function to send fifo message to arm7
- */
-
-static void
-arm9_synctoarm7 (void)
-{
- /* send fifo message */
- REG_IPC_FIFO_TX = 0x87654321;
-}
-
-/*
- * interrupt handler to receive fifo messages from arm7
- */
-
-static void
-arm9_fifo (void)
-{
- u32 value = REG_IPC_FIFO_RX;
-
- /* check incoming fifo messages */
- if (value == 0x87654321)
- Wifi_Sync ();
-}
-
-/*
- * signal an icoming packet
- */
-
-void
-wifi_signal (struct mbuf *m)
-{
- rtems_interrupt_level level;
-
- /* enqueue the incoming packet */
- rtems_interrupt_disable (level);
- IF_ENQUEUE (&softc.recvq, m);
- rtems_interrupt_enable (level);
-
- /* signal the rx daemon */
- rtems_bsdnet_event_send (softc.rx_id, RECEIVE_EVENT);
-}
-
-
-/*
- * packet reception daemon
- */
-
-static void
-wifi_rxd (void *arg)
-{
- rtems_interrupt_level level;
- struct ifnet *ifp = &softc.arpcom.ac_if;
-
- while (1) {
- rtems_event_set events;
-
- rtems_bsdnet_event_receive (RECEIVE_EVENT,
- RTEMS_WAIT | RTEMS_EVENT_ANY,
- RTEMS_NO_TIMEOUT, &events);
-
- while (1) {
- struct ether_header *eh;
- struct mbuf *m;
-
- rtems_interrupt_disable (level);
- if (softc.recvq.ifq_head == NULL) {
- rtems_interrupt_enable (level);
- break;
- }
-
- /* get next packet */
- IF_DEQUEUE (&softc.recvq, m);
- rtems_interrupt_enable (level);
- if (m == NULL) {
- panic ("wifi_rxd");
- }
-
- m->m_pkthdr.rcvif = ifp;
-
- /* extract ethernet header */
- eh = mtod (m, struct ether_header *);
- m->m_data += sizeof (struct ether_header);
- m->m_len = m->m_pkthdr.len = m->m_len - sizeof (struct ether_header);
-
- /* push the packet into the stack */
- ether_input (ifp, eh, m);
- }
- }
-}
-
-/*
- * packet sending daemon
- */
-
-static void
-wifi_txd (void *arg)
-{
- rtems_interrupt_level level;
- struct ifnet *ifp = &softc.arpcom.ac_if;
-
- while (1) {
- rtems_event_set events;
-
- rtems_bsdnet_event_receive (TRANSMIT_EVENT,
- RTEMS_WAIT | RTEMS_EVENT_ANY,
- RTEMS_NO_TIMEOUT, &events);
- while (1) {
- struct mbuf *m;
-
- rtems_interrupt_disable (level);
- if (ifp->if_snd.ifq_head == NULL) {
- ifp->if_flags &= ~IFF_OACTIVE;
- rtems_interrupt_enable (level);
- break;
- }
-
- /* grab next packet */
- IF_DEQUEUE (&ifp->if_snd, m);
- rtems_interrupt_enable (level);
-
- if (m == NULL) {
- panic ("wifi_txd");
- }
-
- /* call compatibility glue to dswifi */
- compat_wifi_output (m);
- }
- }
-}
-
-/*
- * wifi device initialization procedure
- */
-
-static void
-wifi_init (void *arg)
-{
- struct ifnet *ifp = &softc.arpcom.ac_if;
- int i;
-
- /* create the receive & send daemons */
- if (softc.tx_id == 0) {
- Wifi_AutoConnect ();
-
- while (1) {
- i = Wifi_AssocStatus ();
- if (i == ASSOCSTATUS_ASSOCIATED) {
- printk ("Connected successfully!\n");
- break;
- }
- if (i == ASSOCSTATUS_CANNOTCONNECT) {
- printk ("Could not connect!\n");
- break;
- }
- }
-
- printk ("Starting daemon\n");
- softc.tx_id = rtems_bsdnet_newproc ("SCtx", 4096, wifi_txd, &softc);
- softc.rx_id = rtems_bsdnet_newproc ("SCrx", 4096, wifi_rxd, &softc);
- }
-
- ifp->if_flags |= IFF_RUNNING;
-}
-
-/*
- * wifi deactivation method.
- */
-
-static void
-wifi_shutdown (void *arg)
-{
- /* XXX */
-}
-
-/*
- * ioctl hook function.
- */
-
-static int
-wifi_ioctl (struct ifnet *ifp, ioctl_command_t command, caddr_t data)
-{
- void *sc = ifp->if_softc;
-
- switch (command) {
- case SIOCGIFADDR:
- case SIOCSIFADDR:
- return ether_ioctl (ifp, command, data);
-
- case SIOCSIFFLAGS:
- switch (ifp->if_flags & (IFF_UP | IFF_RUNNING)) {
- case IFF_RUNNING:
- wifi_shutdown (sc);
- break;
- case IFF_UP:
- wifi_init (sc);
- break;
- case IFF_UP | IFF_RUNNING:
- wifi_shutdown (sc);
- wifi_init (sc);
- break;
- default:
- break;
- }
- return 0;
-
- default:
- return EINVAL;
- }
-}
-
-/*
- * function for sending a packet
- */
-
-static void
-wifi_start (struct ifnet *ifp)
-{
- /* wake up the send daemon */
- ifp->if_flags |= IFF_OACTIVE;
- rtems_bsdnet_event_send (softc.tx_id, TRANSMIT_EVENT);
-}
-
-/*
- * RTEMS device attach method for wiwi driver
- */
-
-int
-rtems_wifi_driver_attach (struct rtems_bsdnet_ifconfig *config, int attach)
-{
- struct ifnet *ifp = &softc.arpcom.ac_if;
-
- printk ("wifi attach...\n");
-
- /* initialize ifnet structure */
- memset (&softc, 0, sizeof (softc));
- ifp->if_softc = &softc;
- ifp->if_unit = 0;
- ifp->if_name = "dswifi";
- ifp->if_mtu = ETHERMTU;
- ifp->if_init = wifi_init;
- ifp->if_ioctl = wifi_ioctl;
- ifp->if_watchdog = NULL;
- ifp->if_start = wifi_start;
- ifp->if_output = ether_output;
- ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX;
- if (ifp->if_snd.ifq_maxlen == 0) {
- ifp->if_snd.ifq_maxlen = ifqmaxlen;
- }
-
- if (config->mtu != 0) {
- ifp->if_mtu = config->mtu;
- }
-
- if (config->hardware_address != NULL) {
- softc.is_hwaddr_set = 1;
- memcpy (softc.arpcom.ac_enaddr, config->hardware_address, ETHER_ADDR_LEN);
- } else {
- softc.is_hwaddr_set = 0;
- }
-
- u32 Wifi_pass;
- int i;
-
- /* wifi hardware initialization took from dswifi example code */
-
- /* send fifo message to initialize the arm7 wifi */
- REG_IPC_FIFO_CR = IPC_FIFO_ENABLE | IPC_FIFO_SEND_CLEAR;
-
- Wifi_pass =
- Wifi_Init (WIFIINIT_OPTION_USELED | WIFIINIT_OPTION_USECUSTOMALLOC);
- REG_IPC_FIFO_TX = 0x12345678;
- REG_IPC_FIFO_TX = Wifi_pass;
-
- /* setup fifo IRQ */
- irqSet (IRQ_FIFO_NOT_EMPTY, arm9_fifo);
- irqEnable (IRQ_FIFO_NOT_EMPTY);
-
- /* enable FIFO IRQ */
- REG_IPC_FIFO_CR = IPC_FIFO_ENABLE | IPC_FIFO_RECV_IRQ;
-
- /* tell wifi lib to use our handler to notify arm7 */
- Wifi_SetSyncHandler (arm9_synctoarm7);
-
- /* set timer3 */
- TIMER3_DATA = -6553; // 6553.1 * 256 cycles = ~50ms;
- TIMER3_CR = 0x00C2; // enable, irq, 1/256 clock
-
- /* setup timer IRQ */
- irqSet (IRQ_TIMER3, Timer_50ms);
- irqEnable (IRQ_TIMER3);
-
- while (Wifi_CheckInit () == 0) {
- /* wait for arm7 to be initted successfully */
- while (REG_VCOUNT > 192);
- while (REG_VCOUNT < 192);
- }
-
- /* wifi init complete - wifi lib can now be used! */
-
- printk ("ok.\n");
-
- /* retrieve MAC address if unspecified by the user */
- if (!softc.is_hwaddr_set) {
- Wifi_GetData (WIFIGETDATA_MACADDRESS, ETHER_ADDR_LEN,
- softc.arpcom.ac_enaddr);
- }
-
- print_byte (softc.arpcom.ac_enaddr[0]);
- for (i = 1; i < ETHER_ADDR_LEN; i++) {
- printk (":");
- print_byte (softc.arpcom.ac_enaddr[i]);
- }
- printk ("\n");
-
- /* attach the interface */
- if_attach (ifp);
- ether_ifattach (ifp);
-
- printk ("network device '%s' initialized\n", config->name);
-
- return 0;
-}
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