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path: root/sys/dev/usb/wlan/if_zyd.c
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Diffstat (limited to 'sys/dev/usb/wlan/if_zyd.c')
-rw-r--r--sys/dev/usb/wlan/if_zyd.c2915
1 files changed, 2915 insertions, 0 deletions
diff --git a/sys/dev/usb/wlan/if_zyd.c b/sys/dev/usb/wlan/if_zyd.c
new file mode 100644
index 000000000000..7affdcdce089
--- /dev/null
+++ b/sys/dev/usb/wlan/if_zyd.c
@@ -0,0 +1,2915 @@
+/* $OpenBSD: if_zyd.c,v 1.52 2007/02/11 00:08:04 jsg Exp $ */
+/* $NetBSD: if_zyd.c,v 1.7 2007/06/21 04:04:29 kiyohara Exp $ */
+
+/*-
+ * Copyright (c) 2006 by Damien Bergamini <damien.bergamini@free.fr>
+ * Copyright (c) 2006 by Florian Stoehr <ich@florian-stoehr.de>
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+/*
+ * ZyDAS ZD1211/ZD1211B USB WLAN driver.
+ */
+
+#include "opt_wlan.h"
+
+#include <sys/param.h>
+#include <sys/sockio.h>
+#include <sys/sysctl.h>
+#include <sys/lock.h>
+#include <sys/mutex.h>
+#include <sys/condvar.h>
+#include <sys/mbuf.h>
+#include <sys/kernel.h>
+#include <sys/socket.h>
+#include <sys/systm.h>
+#include <sys/malloc.h>
+#include <sys/module.h>
+#include <sys/bus.h>
+#include <sys/endian.h>
+#include <sys/kdb.h>
+
+#include <net/bpf.h>
+#include <net/if.h>
+#include <net/if_var.h>
+#include <net/if_arp.h>
+#include <net/ethernet.h>
+#include <net/if_dl.h>
+#include <net/if_media.h>
+#include <net/if_types.h>
+
+#ifdef INET
+#include <netinet/in.h>
+#include <netinet/in_systm.h>
+#include <netinet/in_var.h>
+#include <netinet/if_ether.h>
+#include <netinet/ip.h>
+#endif
+
+#include <net80211/ieee80211_var.h>
+#include <net80211/ieee80211_regdomain.h>
+#include <net80211/ieee80211_radiotap.h>
+#include <net80211/ieee80211_ratectl.h>
+
+#include <dev/usb/usb.h>
+#include <dev/usb/usbdi.h>
+#include <dev/usb/usbdi_util.h>
+#include "usbdevs.h"
+
+#include <dev/usb/wlan/if_zydreg.h>
+#include <dev/usb/wlan/if_zydfw.h>
+
+#ifdef USB_DEBUG
+static int zyd_debug = 0;
+
+static SYSCTL_NODE(_hw_usb, OID_AUTO, zyd, CTLFLAG_RW | CTLFLAG_MPSAFE, 0,
+ "USB zyd");
+SYSCTL_INT(_hw_usb_zyd, OID_AUTO, debug, CTLFLAG_RWTUN, &zyd_debug, 0,
+ "zyd debug level");
+
+enum {
+ ZYD_DEBUG_XMIT = 0x00000001, /* basic xmit operation */
+ ZYD_DEBUG_RECV = 0x00000002, /* basic recv operation */
+ ZYD_DEBUG_RESET = 0x00000004, /* reset processing */
+ ZYD_DEBUG_INIT = 0x00000008, /* device init */
+ ZYD_DEBUG_TX_PROC = 0x00000010, /* tx ISR proc */
+ ZYD_DEBUG_RX_PROC = 0x00000020, /* rx ISR proc */
+ ZYD_DEBUG_STATE = 0x00000040, /* 802.11 state transitions */
+ ZYD_DEBUG_STAT = 0x00000080, /* statistic */
+ ZYD_DEBUG_FW = 0x00000100, /* firmware */
+ ZYD_DEBUG_CMD = 0x00000200, /* fw commands */
+ ZYD_DEBUG_ANY = 0xffffffff
+};
+#define DPRINTF(sc, m, fmt, ...) do { \
+ if (zyd_debug & (m)) \
+ printf("%s: " fmt, __func__, ## __VA_ARGS__); \
+} while (0)
+#else
+#define DPRINTF(sc, m, fmt, ...) do { \
+ (void) sc; \
+} while (0)
+#endif
+
+#define zyd_do_request(sc,req,data) \
+ usbd_do_request_flags((sc)->sc_udev, &(sc)->sc_mtx, req, data, 0, NULL, 5000)
+
+static device_probe_t zyd_match;
+static device_attach_t zyd_attach;
+static device_detach_t zyd_detach;
+
+static usb_callback_t zyd_intr_read_callback;
+static usb_callback_t zyd_intr_write_callback;
+static usb_callback_t zyd_bulk_read_callback;
+static usb_callback_t zyd_bulk_write_callback;
+
+static struct ieee80211vap *zyd_vap_create(struct ieee80211com *,
+ const char [IFNAMSIZ], int, enum ieee80211_opmode, int,
+ const uint8_t [IEEE80211_ADDR_LEN],
+ const uint8_t [IEEE80211_ADDR_LEN]);
+static void zyd_vap_delete(struct ieee80211vap *);
+static void zyd_tx_free(struct zyd_tx_data *, int);
+static void zyd_setup_tx_list(struct zyd_softc *);
+static void zyd_unsetup_tx_list(struct zyd_softc *);
+static int zyd_newstate(struct ieee80211vap *, enum ieee80211_state, int);
+static int zyd_cmd(struct zyd_softc *, uint16_t, const void *, int,
+ void *, int, int);
+static int zyd_read16(struct zyd_softc *, uint16_t, uint16_t *);
+static int zyd_read32(struct zyd_softc *, uint16_t, uint32_t *);
+static int zyd_write16(struct zyd_softc *, uint16_t, uint16_t);
+static int zyd_write32(struct zyd_softc *, uint16_t, uint32_t);
+static int zyd_rfwrite(struct zyd_softc *, uint32_t);
+static int zyd_lock_phy(struct zyd_softc *);
+static int zyd_unlock_phy(struct zyd_softc *);
+static int zyd_rf_attach(struct zyd_softc *, uint8_t);
+static const char *zyd_rf_name(uint8_t);
+static int zyd_hw_init(struct zyd_softc *);
+static int zyd_read_pod(struct zyd_softc *);
+static int zyd_read_eeprom(struct zyd_softc *);
+static int zyd_get_macaddr(struct zyd_softc *);
+static int zyd_set_macaddr(struct zyd_softc *, const uint8_t *);
+static int zyd_set_bssid(struct zyd_softc *, const uint8_t *);
+static int zyd_switch_radio(struct zyd_softc *, int);
+static int zyd_set_led(struct zyd_softc *, int, int);
+static void zyd_set_multi(struct zyd_softc *);
+static void zyd_update_mcast(struct ieee80211com *);
+static int zyd_set_rxfilter(struct zyd_softc *);
+static void zyd_set_chan(struct zyd_softc *, struct ieee80211_channel *);
+static int zyd_set_beacon_interval(struct zyd_softc *, int);
+static void zyd_rx_data(struct usb_xfer *, int, uint16_t);
+static int zyd_tx_start(struct zyd_softc *, struct mbuf *,
+ struct ieee80211_node *);
+static int zyd_transmit(struct ieee80211com *, struct mbuf *);
+static void zyd_start(struct zyd_softc *);
+static int zyd_raw_xmit(struct ieee80211_node *, struct mbuf *,
+ const struct ieee80211_bpf_params *);
+static void zyd_parent(struct ieee80211com *);
+static void zyd_init_locked(struct zyd_softc *);
+static void zyd_stop(struct zyd_softc *);
+static int zyd_loadfirmware(struct zyd_softc *);
+static void zyd_scan_start(struct ieee80211com *);
+static void zyd_scan_end(struct ieee80211com *);
+static void zyd_getradiocaps(struct ieee80211com *, int, int *,
+ struct ieee80211_channel[]);
+static void zyd_set_channel(struct ieee80211com *);
+static int zyd_rfmd_init(struct zyd_rf *);
+static int zyd_rfmd_switch_radio(struct zyd_rf *, int);
+static int zyd_rfmd_set_channel(struct zyd_rf *, uint8_t);
+static int zyd_al2230_init(struct zyd_rf *);
+static int zyd_al2230_switch_radio(struct zyd_rf *, int);
+static int zyd_al2230_set_channel(struct zyd_rf *, uint8_t);
+static int zyd_al2230_set_channel_b(struct zyd_rf *, uint8_t);
+static int zyd_al2230_init_b(struct zyd_rf *);
+static int zyd_al7230B_init(struct zyd_rf *);
+static int zyd_al7230B_switch_radio(struct zyd_rf *, int);
+static int zyd_al7230B_set_channel(struct zyd_rf *, uint8_t);
+static int zyd_al2210_init(struct zyd_rf *);
+static int zyd_al2210_switch_radio(struct zyd_rf *, int);
+static int zyd_al2210_set_channel(struct zyd_rf *, uint8_t);
+static int zyd_gct_init(struct zyd_rf *);
+static int zyd_gct_switch_radio(struct zyd_rf *, int);
+static int zyd_gct_set_channel(struct zyd_rf *, uint8_t);
+static int zyd_gct_mode(struct zyd_rf *);
+static int zyd_gct_set_channel_synth(struct zyd_rf *, int, int);
+static int zyd_gct_write(struct zyd_rf *, uint16_t);
+static int zyd_gct_txgain(struct zyd_rf *, uint8_t);
+static int zyd_maxim2_init(struct zyd_rf *);
+static int zyd_maxim2_switch_radio(struct zyd_rf *, int);
+static int zyd_maxim2_set_channel(struct zyd_rf *, uint8_t);
+
+static const struct zyd_phy_pair zyd_def_phy[] = ZYD_DEF_PHY;
+static const struct zyd_phy_pair zyd_def_phyB[] = ZYD_DEF_PHYB;
+
+/* various supported device vendors/products */
+#define ZYD_ZD1211 0
+#define ZYD_ZD1211B 1
+
+#define ZYD_ZD1211_DEV(v,p) \
+ { USB_VPI(USB_VENDOR_##v, USB_PRODUCT_##v##_##p, ZYD_ZD1211) }
+#define ZYD_ZD1211B_DEV(v,p) \
+ { USB_VPI(USB_VENDOR_##v, USB_PRODUCT_##v##_##p, ZYD_ZD1211B) }
+static const STRUCT_USB_HOST_ID zyd_devs[] = {
+ /* ZYD_ZD1211 */
+ ZYD_ZD1211_DEV(3COM2, 3CRUSB10075),
+ ZYD_ZD1211_DEV(ABOCOM, WL54),
+ ZYD_ZD1211_DEV(ASUS, WL159G),
+ ZYD_ZD1211_DEV(CYBERTAN, TG54USB),
+ ZYD_ZD1211_DEV(DRAYTEK, VIGOR550),
+ ZYD_ZD1211_DEV(PLANEX2, GWUS54GD),
+ ZYD_ZD1211_DEV(PLANEX2, GWUS54GZL),
+ ZYD_ZD1211_DEV(PLANEX3, GWUS54GZ),
+ ZYD_ZD1211_DEV(PLANEX3, GWUS54MINI),
+ ZYD_ZD1211_DEV(SAGEM, XG760A),
+ ZYD_ZD1211_DEV(SENAO, NUB8301),
+ ZYD_ZD1211_DEV(SITECOMEU, WL113),
+ ZYD_ZD1211_DEV(SWEEX, ZD1211),
+ ZYD_ZD1211_DEV(TEKRAM, QUICKWLAN),
+ ZYD_ZD1211_DEV(TEKRAM, ZD1211_1),
+ ZYD_ZD1211_DEV(TEKRAM, ZD1211_2),
+ ZYD_ZD1211_DEV(TWINMOS, G240),
+ ZYD_ZD1211_DEV(UMEDIA, ALL0298V2),
+ ZYD_ZD1211_DEV(UMEDIA, TEW429UB_A),
+ ZYD_ZD1211_DEV(UMEDIA, TEW429UB),
+ ZYD_ZD1211_DEV(WISTRONNEWEB, UR055G),
+ ZYD_ZD1211_DEV(ZCOM, ZD1211),
+ ZYD_ZD1211_DEV(ZYDAS, ZD1211),
+ ZYD_ZD1211_DEV(ZYXEL, AG225H),
+ ZYD_ZD1211_DEV(ZYXEL, ZYAIRG220),
+ ZYD_ZD1211_DEV(ZYXEL, G200V2),
+ /* ZYD_ZD1211B */
+ ZYD_ZD1211B_DEV(ACCTON, SMCWUSBG_NF),
+ ZYD_ZD1211B_DEV(ACCTON, SMCWUSBG),
+ ZYD_ZD1211B_DEV(ACCTON, ZD1211B),
+ ZYD_ZD1211B_DEV(ASUS, A9T_WIFI),
+ ZYD_ZD1211B_DEV(BELKIN, F5D7050_V4000),
+ ZYD_ZD1211B_DEV(BELKIN, ZD1211B),
+ ZYD_ZD1211B_DEV(CISCOLINKSYS, WUSBF54G),
+ ZYD_ZD1211B_DEV(FIBERLINE, WL430U),
+ ZYD_ZD1211B_DEV(MELCO, KG54L),
+ ZYD_ZD1211B_DEV(PHILIPS, SNU5600),
+ ZYD_ZD1211B_DEV(PLANEX2, GW_US54GXS),
+ ZYD_ZD1211B_DEV(SAGEM, XG76NA),
+ ZYD_ZD1211B_DEV(SITECOMEU, ZD1211B),
+ ZYD_ZD1211B_DEV(UMEDIA, TEW429UBC1),
+ ZYD_ZD1211B_DEV(USR, USR5423),
+ ZYD_ZD1211B_DEV(VTECH, ZD1211B),
+ ZYD_ZD1211B_DEV(ZCOM, ZD1211B),
+ ZYD_ZD1211B_DEV(ZYDAS, ZD1211B),
+ ZYD_ZD1211B_DEV(ZYXEL, M202),
+ ZYD_ZD1211B_DEV(ZYXEL, G202),
+ ZYD_ZD1211B_DEV(ZYXEL, G220V2)
+};
+
+static const struct usb_config zyd_config[ZYD_N_TRANSFER] = {
+ [ZYD_BULK_WR] = {
+ .type = UE_BULK,
+ .endpoint = UE_ADDR_ANY,
+ .direction = UE_DIR_OUT,
+ .bufsize = ZYD_MAX_TXBUFSZ,
+ .flags = {.pipe_bof = 1,.force_short_xfer = 1,},
+ .callback = zyd_bulk_write_callback,
+ .ep_index = 0,
+ .timeout = 10000, /* 10 seconds */
+ },
+ [ZYD_BULK_RD] = {
+ .type = UE_BULK,
+ .endpoint = UE_ADDR_ANY,
+ .direction = UE_DIR_IN,
+ .bufsize = ZYX_MAX_RXBUFSZ,
+ .flags = {.pipe_bof = 1,.short_xfer_ok = 1,},
+ .callback = zyd_bulk_read_callback,
+ .ep_index = 0,
+ },
+ [ZYD_INTR_WR] = {
+ .type = UE_BULK_INTR,
+ .endpoint = UE_ADDR_ANY,
+ .direction = UE_DIR_OUT,
+ .bufsize = sizeof(struct zyd_cmd),
+ .flags = {.pipe_bof = 1,.force_short_xfer = 1,},
+ .callback = zyd_intr_write_callback,
+ .timeout = 1000, /* 1 second */
+ .ep_index = 1,
+ },
+ [ZYD_INTR_RD] = {
+ .type = UE_INTERRUPT,
+ .endpoint = UE_ADDR_ANY,
+ .direction = UE_DIR_IN,
+ .bufsize = sizeof(struct zyd_cmd),
+ .flags = {.pipe_bof = 1,.short_xfer_ok = 1,},
+ .callback = zyd_intr_read_callback,
+ },
+};
+#define zyd_read16_m(sc, val, data) do { \
+ error = zyd_read16(sc, val, data); \
+ if (error != 0) \
+ goto fail; \
+} while (0)
+#define zyd_write16_m(sc, val, data) do { \
+ error = zyd_write16(sc, val, data); \
+ if (error != 0) \
+ goto fail; \
+} while (0)
+#define zyd_read32_m(sc, val, data) do { \
+ error = zyd_read32(sc, val, data); \
+ if (error != 0) \
+ goto fail; \
+} while (0)
+#define zyd_write32_m(sc, val, data) do { \
+ error = zyd_write32(sc, val, data); \
+ if (error != 0) \
+ goto fail; \
+} while (0)
+
+static int
+zyd_match(device_t dev)
+{
+ struct usb_attach_arg *uaa = device_get_ivars(dev);
+
+ if (uaa->usb_mode != USB_MODE_HOST)
+ return (ENXIO);
+ if (uaa->info.bConfigIndex != ZYD_CONFIG_INDEX)
+ return (ENXIO);
+ if (uaa->info.bIfaceIndex != ZYD_IFACE_INDEX)
+ return (ENXIO);
+
+ return (usbd_lookup_id_by_uaa(zyd_devs, sizeof(zyd_devs), uaa));
+}
+
+static int
+zyd_attach(device_t dev)
+{
+ struct usb_attach_arg *uaa = device_get_ivars(dev);
+ struct zyd_softc *sc = device_get_softc(dev);
+ struct ieee80211com *ic = &sc->sc_ic;
+ uint8_t iface_index;
+ int error;
+
+ if (uaa->info.bcdDevice < 0x4330) {
+ device_printf(dev, "device version mismatch: 0x%X "
+ "(only >= 43.30 supported)\n",
+ uaa->info.bcdDevice);
+ return (EINVAL);
+ }
+
+ device_set_usb_desc(dev);
+ sc->sc_dev = dev;
+ sc->sc_udev = uaa->device;
+ sc->sc_macrev = USB_GET_DRIVER_INFO(uaa);
+
+ mtx_init(&sc->sc_mtx, device_get_nameunit(sc->sc_dev),
+ MTX_NETWORK_LOCK, MTX_DEF);
+ STAILQ_INIT(&sc->sc_rqh);
+ mbufq_init(&sc->sc_snd, ifqmaxlen);
+
+ iface_index = ZYD_IFACE_INDEX;
+ error = usbd_transfer_setup(uaa->device,
+ &iface_index, sc->sc_xfer, zyd_config,
+ ZYD_N_TRANSFER, sc, &sc->sc_mtx);
+ if (error) {
+ device_printf(dev, "could not allocate USB transfers, "
+ "err=%s\n", usbd_errstr(error));
+ goto detach;
+ }
+
+ ZYD_LOCK(sc);
+ if ((error = zyd_get_macaddr(sc)) != 0) {
+ device_printf(sc->sc_dev, "could not read EEPROM\n");
+ ZYD_UNLOCK(sc);
+ goto detach;
+ }
+ ZYD_UNLOCK(sc);
+
+ ic->ic_softc = sc;
+ ic->ic_name = device_get_nameunit(dev);
+ ic->ic_phytype = IEEE80211_T_OFDM; /* not only, but not used */
+ ic->ic_opmode = IEEE80211_M_STA;
+
+ /* set device capabilities */
+ ic->ic_caps =
+ IEEE80211_C_STA /* station mode */
+ | IEEE80211_C_MONITOR /* monitor mode */
+ | IEEE80211_C_SHPREAMBLE /* short preamble supported */
+ | IEEE80211_C_SHSLOT /* short slot time supported */
+ | IEEE80211_C_BGSCAN /* capable of bg scanning */
+ | IEEE80211_C_WPA /* 802.11i */
+ ;
+
+ ic->ic_flags_ext |= IEEE80211_FEXT_SEQNO_OFFLOAD;
+
+ zyd_getradiocaps(ic, IEEE80211_CHAN_MAX, &ic->ic_nchans,
+ ic->ic_channels);
+
+ ieee80211_ifattach(ic);
+ ic->ic_raw_xmit = zyd_raw_xmit;
+ ic->ic_scan_start = zyd_scan_start;
+ ic->ic_scan_end = zyd_scan_end;
+ ic->ic_getradiocaps = zyd_getradiocaps;
+ ic->ic_set_channel = zyd_set_channel;
+ ic->ic_vap_create = zyd_vap_create;
+ ic->ic_vap_delete = zyd_vap_delete;
+ ic->ic_update_mcast = zyd_update_mcast;
+ ic->ic_update_promisc = zyd_update_mcast;
+ ic->ic_parent = zyd_parent;
+ ic->ic_transmit = zyd_transmit;
+
+ ieee80211_radiotap_attach(ic,
+ &sc->sc_txtap.wt_ihdr, sizeof(sc->sc_txtap),
+ ZYD_TX_RADIOTAP_PRESENT,
+ &sc->sc_rxtap.wr_ihdr, sizeof(sc->sc_rxtap),
+ ZYD_RX_RADIOTAP_PRESENT);
+
+ if (bootverbose)
+ ieee80211_announce(ic);
+
+ return (0);
+
+detach:
+ zyd_detach(dev);
+ return (ENXIO); /* failure */
+}
+
+static void
+zyd_drain_mbufq(struct zyd_softc *sc)
+{
+ struct mbuf *m;
+ struct ieee80211_node *ni;
+
+ ZYD_LOCK_ASSERT(sc, MA_OWNED);
+ while ((m = mbufq_dequeue(&sc->sc_snd)) != NULL) {
+ ni = (struct ieee80211_node *)m->m_pkthdr.rcvif;
+ m->m_pkthdr.rcvif = NULL;
+ ieee80211_free_node(ni);
+ m_freem(m);
+ }
+}
+
+static int
+zyd_detach(device_t dev)
+{
+ struct zyd_softc *sc = device_get_softc(dev);
+ struct ieee80211com *ic = &sc->sc_ic;
+ unsigned x;
+
+ /*
+ * Prevent further allocations from RX/TX data
+ * lists and ioctls:
+ */
+ ZYD_LOCK(sc);
+ sc->sc_flags |= ZYD_FLAG_DETACHED;
+ zyd_drain_mbufq(sc);
+ STAILQ_INIT(&sc->tx_q);
+ STAILQ_INIT(&sc->tx_free);
+ ZYD_UNLOCK(sc);
+
+ /* drain USB transfers */
+ for (x = 0; x != ZYD_N_TRANSFER; x++)
+ usbd_transfer_drain(sc->sc_xfer[x]);
+
+ /* free TX list, if any */
+ ZYD_LOCK(sc);
+ zyd_unsetup_tx_list(sc);
+ ZYD_UNLOCK(sc);
+
+ /* free USB transfers and some data buffers */
+ usbd_transfer_unsetup(sc->sc_xfer, ZYD_N_TRANSFER);
+
+ if (ic->ic_softc == sc)
+ ieee80211_ifdetach(ic);
+ mtx_destroy(&sc->sc_mtx);
+
+ return (0);
+}
+
+static struct ieee80211vap *
+zyd_vap_create(struct ieee80211com *ic, const char name[IFNAMSIZ], int unit,
+ enum ieee80211_opmode opmode, int flags,
+ const uint8_t bssid[IEEE80211_ADDR_LEN],
+ const uint8_t mac[IEEE80211_ADDR_LEN])
+{
+ struct zyd_vap *zvp;
+ struct ieee80211vap *vap;
+
+ if (!TAILQ_EMPTY(&ic->ic_vaps)) /* only one at a time */
+ return (NULL);
+ zvp = malloc(sizeof(struct zyd_vap), M_80211_VAP, M_WAITOK | M_ZERO);
+ vap = &zvp->vap;
+
+ /* enable s/w bmiss handling for sta mode */
+ if (ieee80211_vap_setup(ic, vap, name, unit, opmode,
+ flags | IEEE80211_CLONE_NOBEACONS, bssid) != 0) {
+ /* out of memory */
+ free(zvp, M_80211_VAP);
+ return (NULL);
+ }
+
+ /* override state transition machine */
+ zvp->newstate = vap->iv_newstate;
+ vap->iv_newstate = zyd_newstate;
+
+ ieee80211_ratectl_init(vap);
+ ieee80211_ratectl_setinterval(vap, 1000 /* 1 sec */);
+
+ /* complete setup */
+ ieee80211_vap_attach(vap, ieee80211_media_change,
+ ieee80211_media_status, mac);
+ ic->ic_opmode = opmode;
+ return (vap);
+}
+
+static void
+zyd_vap_delete(struct ieee80211vap *vap)
+{
+ struct zyd_vap *zvp = ZYD_VAP(vap);
+
+ ieee80211_ratectl_deinit(vap);
+ ieee80211_vap_detach(vap);
+ free(zvp, M_80211_VAP);
+}
+
+static void
+zyd_tx_free(struct zyd_tx_data *data, int txerr)
+{
+ struct zyd_softc *sc = data->sc;
+
+ if (data->m != NULL) {
+ ieee80211_tx_complete(data->ni, data->m, txerr);
+ data->m = NULL;
+ data->ni = NULL;
+ }
+ STAILQ_INSERT_TAIL(&sc->tx_free, data, next);
+ sc->tx_nfree++;
+}
+
+static void
+zyd_setup_tx_list(struct zyd_softc *sc)
+{
+ struct zyd_tx_data *data;
+ int i;
+
+ sc->tx_nfree = 0;
+ STAILQ_INIT(&sc->tx_q);
+ STAILQ_INIT(&sc->tx_free);
+
+ for (i = 0; i < ZYD_TX_LIST_CNT; i++) {
+ data = &sc->tx_data[i];
+
+ data->sc = sc;
+ STAILQ_INSERT_TAIL(&sc->tx_free, data, next);
+ sc->tx_nfree++;
+ }
+}
+
+static void
+zyd_unsetup_tx_list(struct zyd_softc *sc)
+{
+ struct zyd_tx_data *data;
+ int i;
+
+ /* make sure any subsequent use of the queues will fail */
+ sc->tx_nfree = 0;
+ STAILQ_INIT(&sc->tx_q);
+ STAILQ_INIT(&sc->tx_free);
+
+ /* free up all node references and mbufs */
+ for (i = 0; i < ZYD_TX_LIST_CNT; i++) {
+ data = &sc->tx_data[i];
+
+ if (data->m != NULL) {
+ m_freem(data->m);
+ data->m = NULL;
+ }
+ if (data->ni != NULL) {
+ ieee80211_free_node(data->ni);
+ data->ni = NULL;
+ }
+ }
+}
+
+static int
+zyd_newstate(struct ieee80211vap *vap, enum ieee80211_state nstate, int arg)
+{
+ struct zyd_vap *zvp = ZYD_VAP(vap);
+ struct ieee80211com *ic = vap->iv_ic;
+ struct zyd_softc *sc = ic->ic_softc;
+ int error;
+
+ DPRINTF(sc, ZYD_DEBUG_STATE, "%s: %s -> %s\n", __func__,
+ ieee80211_state_name[vap->iv_state],
+ ieee80211_state_name[nstate]);
+
+ IEEE80211_UNLOCK(ic);
+ ZYD_LOCK(sc);
+ switch (nstate) {
+ case IEEE80211_S_AUTH:
+ zyd_set_chan(sc, ic->ic_curchan);
+ break;
+ case IEEE80211_S_RUN:
+ if (vap->iv_opmode == IEEE80211_M_MONITOR)
+ break;
+
+ /* turn link LED on */
+ error = zyd_set_led(sc, ZYD_LED1, 1);
+ if (error != 0)
+ break;
+
+ /* make data LED blink upon Tx */
+ zyd_write32_m(sc, sc->sc_fwbase + ZYD_FW_LINK_STATUS, 1);
+
+ IEEE80211_ADDR_COPY(sc->sc_bssid, vap->iv_bss->ni_bssid);
+ zyd_set_bssid(sc, sc->sc_bssid);
+ break;
+ default:
+ break;
+ }
+fail:
+ ZYD_UNLOCK(sc);
+ IEEE80211_LOCK(ic);
+ return (zvp->newstate(vap, nstate, arg));
+}
+
+/*
+ * Callback handler for interrupt transfer
+ */
+static void
+zyd_intr_read_callback(struct usb_xfer *xfer, usb_error_t error)
+{
+ struct zyd_softc *sc = usbd_xfer_softc(xfer);
+ struct ieee80211com *ic = &sc->sc_ic;
+ struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps);
+ struct ieee80211_node *ni;
+ struct zyd_cmd *cmd = &sc->sc_ibuf;
+ struct usb_page_cache *pc;
+ int datalen;
+ int actlen;
+
+ usbd_xfer_status(xfer, &actlen, NULL, NULL, NULL);
+
+ switch (USB_GET_STATE(xfer)) {
+ case USB_ST_TRANSFERRED:
+ pc = usbd_xfer_get_frame(xfer, 0);
+ usbd_copy_out(pc, 0, cmd, sizeof(*cmd));
+
+ switch (le16toh(cmd->code)) {
+ case ZYD_NOTIF_RETRYSTATUS:
+ {
+ struct zyd_notif_retry *retry =
+ (struct zyd_notif_retry *)cmd->data;
+ uint16_t count = le16toh(retry->count);
+
+ DPRINTF(sc, ZYD_DEBUG_TX_PROC,
+ "retry intr: rate=0x%x addr=%s count=%d (0x%x)\n",
+ le16toh(retry->rate), ether_sprintf(retry->macaddr),
+ count & 0xff, count);
+
+ /*
+ * Find the node to which the packet was sent and
+ * update its retry statistics. In BSS mode, this node
+ * is the AP we're associated to so no lookup is
+ * actually needed.
+ */
+ ni = ieee80211_find_txnode(vap, retry->macaddr);
+ if (ni != NULL) {
+ struct ieee80211_ratectl_tx_status *txs =
+ &sc->sc_txs;
+ int retrycnt = count & 0xff;
+
+ txs->flags =
+ IEEE80211_RATECTL_STATUS_LONG_RETRY;
+ txs->long_retries = retrycnt;
+ if (count & 0x100) {
+ txs->status =
+ IEEE80211_RATECTL_TX_FAIL_LONG;
+ } else {
+ txs->status =
+ IEEE80211_RATECTL_TX_SUCCESS;
+ }
+
+ ieee80211_ratectl_tx_complete(ni, txs);
+ ieee80211_free_node(ni);
+ }
+ if (count & 0x100)
+ /* too many retries */
+ if_inc_counter(vap->iv_ifp, IFCOUNTER_OERRORS,
+ 1);
+ break;
+ }
+ case ZYD_NOTIF_IORD:
+ {
+ struct zyd_rq *rqp;
+
+ if (le16toh(*(uint16_t *)cmd->data) == ZYD_CR_INTERRUPT)
+ break; /* HMAC interrupt */
+
+ datalen = actlen - sizeof(cmd->code);
+ datalen -= 2; /* XXX: padding? */
+
+ STAILQ_FOREACH(rqp, &sc->sc_rqh, rq) {
+ int i;
+ int count;
+
+ if (rqp->olen != datalen)
+ continue;
+ count = rqp->olen / sizeof(struct zyd_pair);
+ for (i = 0; i < count; i++) {
+ if (*(((const uint16_t *)rqp->idata) + i) !=
+ (((struct zyd_pair *)cmd->data) + i)->reg)
+ break;
+ }
+ if (i != count)
+ continue;
+ /* copy answer into caller-supplied buffer */
+ memcpy(rqp->odata, cmd->data, rqp->olen);
+ DPRINTF(sc, ZYD_DEBUG_CMD,
+ "command %p complete, data = %*D \n",
+ rqp, rqp->olen, (char *)rqp->odata, ":");
+ wakeup(rqp); /* wakeup caller */
+ break;
+ }
+ if (rqp == NULL) {
+ device_printf(sc->sc_dev,
+ "unexpected IORD notification %*D\n",
+ datalen, cmd->data, ":");
+ }
+ break;
+ }
+ default:
+ device_printf(sc->sc_dev, "unknown notification %x\n",
+ le16toh(cmd->code));
+ }
+
+ /* FALLTHROUGH */
+ case USB_ST_SETUP:
+tr_setup:
+ usbd_xfer_set_frame_len(xfer, 0, usbd_xfer_max_len(xfer));
+ usbd_transfer_submit(xfer);
+ break;
+
+ default: /* Error */
+ DPRINTF(sc, ZYD_DEBUG_CMD, "error = %s\n",
+ usbd_errstr(error));
+
+ if (error != USB_ERR_CANCELLED) {
+ /* try to clear stall first */
+ usbd_xfer_set_stall(xfer);
+ goto tr_setup;
+ }
+ break;
+ }
+}
+
+static void
+zyd_intr_write_callback(struct usb_xfer *xfer, usb_error_t error)
+{
+ struct zyd_softc *sc = usbd_xfer_softc(xfer);
+ struct zyd_rq *rqp, *cmd;
+ struct usb_page_cache *pc;
+
+ switch (USB_GET_STATE(xfer)) {
+ case USB_ST_TRANSFERRED:
+ cmd = usbd_xfer_get_priv(xfer);
+ DPRINTF(sc, ZYD_DEBUG_CMD, "command %p transferred\n", cmd);
+ STAILQ_FOREACH(rqp, &sc->sc_rqh, rq) {
+ /* Ensure the cached rq pointer is still valid */
+ if (rqp == cmd &&
+ (rqp->flags & ZYD_CMD_FLAG_READ) == 0)
+ wakeup(rqp); /* wakeup caller */
+ }
+
+ /* FALLTHROUGH */
+ case USB_ST_SETUP:
+tr_setup:
+ STAILQ_FOREACH(rqp, &sc->sc_rqh, rq) {
+ if (rqp->flags & ZYD_CMD_FLAG_SENT)
+ continue;
+
+ pc = usbd_xfer_get_frame(xfer, 0);
+ usbd_copy_in(pc, 0, rqp->cmd, rqp->ilen);
+
+ usbd_xfer_set_frame_len(xfer, 0, rqp->ilen);
+ usbd_xfer_set_priv(xfer, rqp);
+ rqp->flags |= ZYD_CMD_FLAG_SENT;
+ usbd_transfer_submit(xfer);
+ break;
+ }
+ break;
+
+ default: /* Error */
+ DPRINTF(sc, ZYD_DEBUG_ANY, "error = %s\n",
+ usbd_errstr(error));
+
+ if (error != USB_ERR_CANCELLED) {
+ /* try to clear stall first */
+ usbd_xfer_set_stall(xfer);
+ goto tr_setup;
+ }
+ break;
+ }
+}
+
+static int
+zyd_cmd(struct zyd_softc *sc, uint16_t code, const void *idata, int ilen,
+ void *odata, int olen, int flags)
+{
+ struct zyd_cmd cmd;
+ struct zyd_rq rq;
+ int error;
+
+ if (ilen > (int)sizeof(cmd.data))
+ return (EINVAL);
+
+ cmd.code = htole16(code);
+ memcpy(cmd.data, idata, ilen);
+ DPRINTF(sc, ZYD_DEBUG_CMD, "sending cmd %p = %*D\n",
+ &rq, ilen, idata, ":");
+
+ rq.cmd = &cmd;
+ rq.idata = idata;
+ rq.odata = odata;
+ rq.ilen = sizeof(uint16_t) + ilen;
+ rq.olen = olen;
+ rq.flags = flags;
+ STAILQ_INSERT_TAIL(&sc->sc_rqh, &rq, rq);
+ usbd_transfer_start(sc->sc_xfer[ZYD_INTR_RD]);
+ usbd_transfer_start(sc->sc_xfer[ZYD_INTR_WR]);
+
+ /* wait at most one second for command reply */
+ error = mtx_sleep(&rq, &sc->sc_mtx, 0 , "zydcmd", hz);
+ if (error)
+ device_printf(sc->sc_dev, "command timeout\n");
+ STAILQ_REMOVE(&sc->sc_rqh, &rq, zyd_rq, rq);
+ DPRINTF(sc, ZYD_DEBUG_CMD, "finsihed cmd %p, error = %d \n",
+ &rq, error);
+
+ return (error);
+}
+
+static int
+zyd_read16(struct zyd_softc *sc, uint16_t reg, uint16_t *val)
+{
+ struct zyd_pair tmp;
+ int error;
+
+ reg = htole16(reg);
+ error = zyd_cmd(sc, ZYD_CMD_IORD, &reg, sizeof(reg), &tmp, sizeof(tmp),
+ ZYD_CMD_FLAG_READ);
+ if (error == 0)
+ *val = le16toh(tmp.val);
+ return (error);
+}
+
+static int
+zyd_read32(struct zyd_softc *sc, uint16_t reg, uint32_t *val)
+{
+ struct zyd_pair tmp[2];
+ uint16_t regs[2];
+ int error;
+
+ regs[0] = htole16(ZYD_REG32_HI(reg));
+ regs[1] = htole16(ZYD_REG32_LO(reg));
+ error = zyd_cmd(sc, ZYD_CMD_IORD, regs, sizeof(regs), tmp, sizeof(tmp),
+ ZYD_CMD_FLAG_READ);
+ if (error == 0)
+ *val = le16toh(tmp[0].val) << 16 | le16toh(tmp[1].val);
+ return (error);
+}
+
+static int
+zyd_write16(struct zyd_softc *sc, uint16_t reg, uint16_t val)
+{
+ struct zyd_pair pair;
+
+ pair.reg = htole16(reg);
+ pair.val = htole16(val);
+
+ return zyd_cmd(sc, ZYD_CMD_IOWR, &pair, sizeof(pair), NULL, 0, 0);
+}
+
+static int
+zyd_write32(struct zyd_softc *sc, uint16_t reg, uint32_t val)
+{
+ struct zyd_pair pair[2];
+
+ pair[0].reg = htole16(ZYD_REG32_HI(reg));
+ pair[0].val = htole16(val >> 16);
+ pair[1].reg = htole16(ZYD_REG32_LO(reg));
+ pair[1].val = htole16(val & 0xffff);
+
+ return zyd_cmd(sc, ZYD_CMD_IOWR, pair, sizeof(pair), NULL, 0, 0);
+}
+
+static int
+zyd_rfwrite(struct zyd_softc *sc, uint32_t val)
+{
+ struct zyd_rf *rf = &sc->sc_rf;
+ struct zyd_rfwrite_cmd req;
+ uint16_t cr203;
+ int error, i;
+
+ zyd_read16_m(sc, ZYD_CR203, &cr203);
+ cr203 &= ~(ZYD_RF_IF_LE | ZYD_RF_CLK | ZYD_RF_DATA);
+
+ req.code = htole16(2);
+ req.width = htole16(rf->width);
+ for (i = 0; i < rf->width; i++) {
+ req.bit[i] = htole16(cr203);
+ if (val & (1 << (rf->width - 1 - i)))
+ req.bit[i] |= htole16(ZYD_RF_DATA);
+ }
+ error = zyd_cmd(sc, ZYD_CMD_RFCFG, &req, 4 + 2 * rf->width, NULL, 0, 0);
+fail:
+ return (error);
+}
+
+static int
+zyd_rfwrite_cr(struct zyd_softc *sc, uint32_t val)
+{
+ int error;
+
+ zyd_write16_m(sc, ZYD_CR244, (val >> 16) & 0xff);
+ zyd_write16_m(sc, ZYD_CR243, (val >> 8) & 0xff);
+ zyd_write16_m(sc, ZYD_CR242, (val >> 0) & 0xff);
+fail:
+ return (error);
+}
+
+static int
+zyd_lock_phy(struct zyd_softc *sc)
+{
+ int error;
+ uint32_t tmp;
+
+ zyd_read32_m(sc, ZYD_MAC_MISC, &tmp);
+ tmp &= ~ZYD_UNLOCK_PHY_REGS;
+ zyd_write32_m(sc, ZYD_MAC_MISC, tmp);
+fail:
+ return (error);
+}
+
+static int
+zyd_unlock_phy(struct zyd_softc *sc)
+{
+ int error;
+ uint32_t tmp;
+
+ zyd_read32_m(sc, ZYD_MAC_MISC, &tmp);
+ tmp |= ZYD_UNLOCK_PHY_REGS;
+ zyd_write32_m(sc, ZYD_MAC_MISC, tmp);
+fail:
+ return (error);
+}
+
+/*
+ * RFMD RF methods.
+ */
+static int
+zyd_rfmd_init(struct zyd_rf *rf)
+{
+ struct zyd_softc *sc = rf->rf_sc;
+ static const struct zyd_phy_pair phyini[] = ZYD_RFMD_PHY;
+ static const uint32_t rfini[] = ZYD_RFMD_RF;
+ int i, error;
+
+ /* init RF-dependent PHY registers */
+ for (i = 0; i < nitems(phyini); i++) {
+ zyd_write16_m(sc, phyini[i].reg, phyini[i].val);
+ }
+
+ /* init RFMD radio */
+ for (i = 0; i < nitems(rfini); i++) {
+ if ((error = zyd_rfwrite(sc, rfini[i])) != 0)
+ return (error);
+ }
+fail:
+ return (error);
+}
+
+static int
+zyd_rfmd_switch_radio(struct zyd_rf *rf, int on)
+{
+ int error;
+ struct zyd_softc *sc = rf->rf_sc;
+
+ zyd_write16_m(sc, ZYD_CR10, on ? 0x89 : 0x15);
+ zyd_write16_m(sc, ZYD_CR11, on ? 0x00 : 0x81);
+fail:
+ return (error);
+}
+
+static int
+zyd_rfmd_set_channel(struct zyd_rf *rf, uint8_t chan)
+{
+ int error;
+ struct zyd_softc *sc = rf->rf_sc;
+ static const struct {
+ uint32_t r1, r2;
+ } rfprog[] = ZYD_RFMD_CHANTABLE;
+
+ error = zyd_rfwrite(sc, rfprog[chan - 1].r1);
+ if (error != 0)
+ goto fail;
+ error = zyd_rfwrite(sc, rfprog[chan - 1].r2);
+ if (error != 0)
+ goto fail;
+
+fail:
+ return (error);
+}
+
+/*
+ * AL2230 RF methods.
+ */
+static int
+zyd_al2230_init(struct zyd_rf *rf)
+{
+ struct zyd_softc *sc = rf->rf_sc;
+ static const struct zyd_phy_pair phyini[] = ZYD_AL2230_PHY;
+ static const struct zyd_phy_pair phy2230s[] = ZYD_AL2230S_PHY_INIT;
+ static const struct zyd_phy_pair phypll[] = {
+ { ZYD_CR251, 0x2f }, { ZYD_CR251, 0x3f },
+ { ZYD_CR138, 0x28 }, { ZYD_CR203, 0x06 }
+ };
+ static const uint32_t rfini1[] = ZYD_AL2230_RF_PART1;
+ static const uint32_t rfini2[] = ZYD_AL2230_RF_PART2;
+ static const uint32_t rfini3[] = ZYD_AL2230_RF_PART3;
+ int i, error;
+
+ /* init RF-dependent PHY registers */
+ for (i = 0; i < nitems(phyini); i++)
+ zyd_write16_m(sc, phyini[i].reg, phyini[i].val);
+
+ if (sc->sc_rfrev == ZYD_RF_AL2230S || sc->sc_al2230s != 0) {
+ for (i = 0; i < nitems(phy2230s); i++)
+ zyd_write16_m(sc, phy2230s[i].reg, phy2230s[i].val);
+ }
+
+ /* init AL2230 radio */
+ for (i = 0; i < nitems(rfini1); i++) {
+ error = zyd_rfwrite(sc, rfini1[i]);
+ if (error != 0)
+ goto fail;
+ }
+
+ if (sc->sc_rfrev == ZYD_RF_AL2230S || sc->sc_al2230s != 0)
+ error = zyd_rfwrite(sc, 0x000824);
+ else
+ error = zyd_rfwrite(sc, 0x0005a4);
+ if (error != 0)
+ goto fail;
+
+ for (i = 0; i < nitems(rfini2); i++) {
+ error = zyd_rfwrite(sc, rfini2[i]);
+ if (error != 0)
+ goto fail;
+ }
+
+ for (i = 0; i < nitems(phypll); i++)
+ zyd_write16_m(sc, phypll[i].reg, phypll[i].val);
+
+ for (i = 0; i < nitems(rfini3); i++) {
+ error = zyd_rfwrite(sc, rfini3[i]);
+ if (error != 0)
+ goto fail;
+ }
+fail:
+ return (error);
+}
+
+static int
+zyd_al2230_fini(struct zyd_rf *rf)
+{
+ int error, i;
+ struct zyd_softc *sc = rf->rf_sc;
+ static const struct zyd_phy_pair phy[] = ZYD_AL2230_PHY_FINI_PART1;
+
+ for (i = 0; i < nitems(phy); i++)
+ zyd_write16_m(sc, phy[i].reg, phy[i].val);
+
+ if (sc->sc_newphy != 0)
+ zyd_write16_m(sc, ZYD_CR9, 0xe1);
+
+ zyd_write16_m(sc, ZYD_CR203, 0x6);
+fail:
+ return (error);
+}
+
+static int
+zyd_al2230_init_b(struct zyd_rf *rf)
+{
+ struct zyd_softc *sc = rf->rf_sc;
+ static const struct zyd_phy_pair phy1[] = ZYD_AL2230_PHY_PART1;
+ static const struct zyd_phy_pair phy2[] = ZYD_AL2230_PHY_PART2;
+ static const struct zyd_phy_pair phy3[] = ZYD_AL2230_PHY_PART3;
+ static const struct zyd_phy_pair phy2230s[] = ZYD_AL2230S_PHY_INIT;
+ static const struct zyd_phy_pair phyini[] = ZYD_AL2230_PHY_B;
+ static const uint32_t rfini_part1[] = ZYD_AL2230_RF_B_PART1;
+ static const uint32_t rfini_part2[] = ZYD_AL2230_RF_B_PART2;
+ static const uint32_t rfini_part3[] = ZYD_AL2230_RF_B_PART3;
+ static const uint32_t zyd_al2230_chtable[][3] = ZYD_AL2230_CHANTABLE;
+ int i, error;
+
+ for (i = 0; i < nitems(phy1); i++)
+ zyd_write16_m(sc, phy1[i].reg, phy1[i].val);
+
+ /* init RF-dependent PHY registers */
+ for (i = 0; i < nitems(phyini); i++)
+ zyd_write16_m(sc, phyini[i].reg, phyini[i].val);
+
+ if (sc->sc_rfrev == ZYD_RF_AL2230S || sc->sc_al2230s != 0) {
+ for (i = 0; i < nitems(phy2230s); i++)
+ zyd_write16_m(sc, phy2230s[i].reg, phy2230s[i].val);
+ }
+
+ for (i = 0; i < 3; i++) {
+ error = zyd_rfwrite_cr(sc, zyd_al2230_chtable[0][i]);
+ if (error != 0)
+ return (error);
+ }
+
+ for (i = 0; i < nitems(rfini_part1); i++) {
+ error = zyd_rfwrite_cr(sc, rfini_part1[i]);
+ if (error != 0)
+ return (error);
+ }
+
+ if (sc->sc_rfrev == ZYD_RF_AL2230S || sc->sc_al2230s != 0)
+ error = zyd_rfwrite(sc, 0x241000);
+ else
+ error = zyd_rfwrite(sc, 0x25a000);
+ if (error != 0)
+ goto fail;
+
+ for (i = 0; i < nitems(rfini_part2); i++) {
+ error = zyd_rfwrite_cr(sc, rfini_part2[i]);
+ if (error != 0)
+ return (error);
+ }
+
+ for (i = 0; i < nitems(phy2); i++)
+ zyd_write16_m(sc, phy2[i].reg, phy2[i].val);
+
+ for (i = 0; i < nitems(rfini_part3); i++) {
+ error = zyd_rfwrite_cr(sc, rfini_part3[i]);
+ if (error != 0)
+ return (error);
+ }
+
+ for (i = 0; i < nitems(phy3); i++)
+ zyd_write16_m(sc, phy3[i].reg, phy3[i].val);
+
+ error = zyd_al2230_fini(rf);
+fail:
+ return (error);
+}
+
+static int
+zyd_al2230_switch_radio(struct zyd_rf *rf, int on)
+{
+ struct zyd_softc *sc = rf->rf_sc;
+ int error, on251 = (sc->sc_macrev == ZYD_ZD1211) ? 0x3f : 0x7f;
+
+ zyd_write16_m(sc, ZYD_CR11, on ? 0x00 : 0x04);
+ zyd_write16_m(sc, ZYD_CR251, on ? on251 : 0x2f);
+fail:
+ return (error);
+}
+
+static int
+zyd_al2230_set_channel(struct zyd_rf *rf, uint8_t chan)
+{
+ int error, i;
+ struct zyd_softc *sc = rf->rf_sc;
+ static const struct zyd_phy_pair phy1[] = {
+ { ZYD_CR138, 0x28 }, { ZYD_CR203, 0x06 },
+ };
+ static const struct {
+ uint32_t r1, r2, r3;
+ } rfprog[] = ZYD_AL2230_CHANTABLE;
+
+ error = zyd_rfwrite(sc, rfprog[chan - 1].r1);
+ if (error != 0)
+ goto fail;
+ error = zyd_rfwrite(sc, rfprog[chan - 1].r2);
+ if (error != 0)
+ goto fail;
+ error = zyd_rfwrite(sc, rfprog[chan - 1].r3);
+ if (error != 0)
+ goto fail;
+
+ for (i = 0; i < nitems(phy1); i++)
+ zyd_write16_m(sc, phy1[i].reg, phy1[i].val);
+fail:
+ return (error);
+}
+
+static int
+zyd_al2230_set_channel_b(struct zyd_rf *rf, uint8_t chan)
+{
+ int error, i;
+ struct zyd_softc *sc = rf->rf_sc;
+ static const struct zyd_phy_pair phy1[] = ZYD_AL2230_PHY_PART1;
+ static const struct {
+ uint32_t r1, r2, r3;
+ } rfprog[] = ZYD_AL2230_CHANTABLE_B;
+
+ for (i = 0; i < nitems(phy1); i++)
+ zyd_write16_m(sc, phy1[i].reg, phy1[i].val);
+
+ error = zyd_rfwrite_cr(sc, rfprog[chan - 1].r1);
+ if (error != 0)
+ goto fail;
+ error = zyd_rfwrite_cr(sc, rfprog[chan - 1].r2);
+ if (error != 0)
+ goto fail;
+ error = zyd_rfwrite_cr(sc, rfprog[chan - 1].r3);
+ if (error != 0)
+ goto fail;
+ error = zyd_al2230_fini(rf);
+fail:
+ return (error);
+}
+
+#define ZYD_AL2230_PHY_BANDEDGE6 \
+{ \
+ { ZYD_CR128, 0x14 }, { ZYD_CR129, 0x12 }, { ZYD_CR130, 0x10 }, \
+ { ZYD_CR47, 0x1e } \
+}
+
+static int
+zyd_al2230_bandedge6(struct zyd_rf *rf, struct ieee80211_channel *c)
+{
+ int error = 0, i;
+ struct zyd_softc *sc = rf->rf_sc;
+ struct ieee80211com *ic = &sc->sc_ic;
+ struct zyd_phy_pair r[] = ZYD_AL2230_PHY_BANDEDGE6;
+ int chan = ieee80211_chan2ieee(ic, c);
+
+ if (chan == 1 || chan == 11)
+ r[0].val = 0x12;
+
+ for (i = 0; i < nitems(r); i++)
+ zyd_write16_m(sc, r[i].reg, r[i].val);
+fail:
+ return (error);
+}
+
+/*
+ * AL7230B RF methods.
+ */
+static int
+zyd_al7230B_init(struct zyd_rf *rf)
+{
+ struct zyd_softc *sc = rf->rf_sc;
+ static const struct zyd_phy_pair phyini_1[] = ZYD_AL7230B_PHY_1;
+ static const struct zyd_phy_pair phyini_2[] = ZYD_AL7230B_PHY_2;
+ static const struct zyd_phy_pair phyini_3[] = ZYD_AL7230B_PHY_3;
+ static const uint32_t rfini_1[] = ZYD_AL7230B_RF_1;
+ static const uint32_t rfini_2[] = ZYD_AL7230B_RF_2;
+ int i, error;
+
+ /* for AL7230B, PHY and RF need to be initialized in "phases" */
+
+ /* init RF-dependent PHY registers, part one */
+ for (i = 0; i < nitems(phyini_1); i++)
+ zyd_write16_m(sc, phyini_1[i].reg, phyini_1[i].val);
+
+ /* init AL7230B radio, part one */
+ for (i = 0; i < nitems(rfini_1); i++) {
+ if ((error = zyd_rfwrite(sc, rfini_1[i])) != 0)
+ return (error);
+ }
+ /* init RF-dependent PHY registers, part two */
+ for (i = 0; i < nitems(phyini_2); i++)
+ zyd_write16_m(sc, phyini_2[i].reg, phyini_2[i].val);
+
+ /* init AL7230B radio, part two */
+ for (i = 0; i < nitems(rfini_2); i++) {
+ if ((error = zyd_rfwrite(sc, rfini_2[i])) != 0)
+ return (error);
+ }
+ /* init RF-dependent PHY registers, part three */
+ for (i = 0; i < nitems(phyini_3); i++)
+ zyd_write16_m(sc, phyini_3[i].reg, phyini_3[i].val);
+fail:
+ return (error);
+}
+
+static int
+zyd_al7230B_switch_radio(struct zyd_rf *rf, int on)
+{
+ int error;
+ struct zyd_softc *sc = rf->rf_sc;
+
+ zyd_write16_m(sc, ZYD_CR11, on ? 0x00 : 0x04);
+ zyd_write16_m(sc, ZYD_CR251, on ? 0x3f : 0x2f);
+fail:
+ return (error);
+}
+
+static int
+zyd_al7230B_set_channel(struct zyd_rf *rf, uint8_t chan)
+{
+ struct zyd_softc *sc = rf->rf_sc;
+ static const struct {
+ uint32_t r1, r2;
+ } rfprog[] = ZYD_AL7230B_CHANTABLE;
+ static const uint32_t rfsc[] = ZYD_AL7230B_RF_SETCHANNEL;
+ int i, error;
+
+ zyd_write16_m(sc, ZYD_CR240, 0x57);
+ zyd_write16_m(sc, ZYD_CR251, 0x2f);
+
+ for (i = 0; i < nitems(rfsc); i++) {
+ if ((error = zyd_rfwrite(sc, rfsc[i])) != 0)
+ return (error);
+ }
+
+ zyd_write16_m(sc, ZYD_CR128, 0x14);
+ zyd_write16_m(sc, ZYD_CR129, 0x12);
+ zyd_write16_m(sc, ZYD_CR130, 0x10);
+ zyd_write16_m(sc, ZYD_CR38, 0x38);
+ zyd_write16_m(sc, ZYD_CR136, 0xdf);
+
+ error = zyd_rfwrite(sc, rfprog[chan - 1].r1);
+ if (error != 0)
+ goto fail;
+ error = zyd_rfwrite(sc, rfprog[chan - 1].r2);
+ if (error != 0)
+ goto fail;
+ error = zyd_rfwrite(sc, 0x3c9000);
+ if (error != 0)
+ goto fail;
+
+ zyd_write16_m(sc, ZYD_CR251, 0x3f);
+ zyd_write16_m(sc, ZYD_CR203, 0x06);
+ zyd_write16_m(sc, ZYD_CR240, 0x08);
+fail:
+ return (error);
+}
+
+/*
+ * AL2210 RF methods.
+ */
+static int
+zyd_al2210_init(struct zyd_rf *rf)
+{
+ struct zyd_softc *sc = rf->rf_sc;
+ static const struct zyd_phy_pair phyini[] = ZYD_AL2210_PHY;
+ static const uint32_t rfini[] = ZYD_AL2210_RF;
+ uint32_t tmp;
+ int i, error;
+
+ zyd_write32_m(sc, ZYD_CR18, 2);
+
+ /* init RF-dependent PHY registers */
+ for (i = 0; i < nitems(phyini); i++)
+ zyd_write16_m(sc, phyini[i].reg, phyini[i].val);
+
+ /* init AL2210 radio */
+ for (i = 0; i < nitems(rfini); i++) {
+ if ((error = zyd_rfwrite(sc, rfini[i])) != 0)
+ return (error);
+ }
+ zyd_write16_m(sc, ZYD_CR47, 0x1e);
+ zyd_read32_m(sc, ZYD_CR_RADIO_PD, &tmp);
+ zyd_write32_m(sc, ZYD_CR_RADIO_PD, tmp & ~1);
+ zyd_write32_m(sc, ZYD_CR_RADIO_PD, tmp | 1);
+ zyd_write32_m(sc, ZYD_CR_RFCFG, 0x05);
+ zyd_write32_m(sc, ZYD_CR_RFCFG, 0x00);
+ zyd_write16_m(sc, ZYD_CR47, 0x1e);
+ zyd_write32_m(sc, ZYD_CR18, 3);
+fail:
+ return (error);
+}
+
+static int
+zyd_al2210_switch_radio(struct zyd_rf *rf, int on)
+{
+ /* vendor driver does nothing for this RF chip */
+
+ return (0);
+}
+
+static int
+zyd_al2210_set_channel(struct zyd_rf *rf, uint8_t chan)
+{
+ int error;
+ struct zyd_softc *sc = rf->rf_sc;
+ static const uint32_t rfprog[] = ZYD_AL2210_CHANTABLE;
+ uint32_t tmp;
+
+ zyd_write32_m(sc, ZYD_CR18, 2);
+ zyd_write16_m(sc, ZYD_CR47, 0x1e);
+ zyd_read32_m(sc, ZYD_CR_RADIO_PD, &tmp);
+ zyd_write32_m(sc, ZYD_CR_RADIO_PD, tmp & ~1);
+ zyd_write32_m(sc, ZYD_CR_RADIO_PD, tmp | 1);
+ zyd_write32_m(sc, ZYD_CR_RFCFG, 0x05);
+ zyd_write32_m(sc, ZYD_CR_RFCFG, 0x00);
+ zyd_write16_m(sc, ZYD_CR47, 0x1e);
+
+ /* actually set the channel */
+ error = zyd_rfwrite(sc, rfprog[chan - 1]);
+ if (error != 0)
+ goto fail;
+
+ zyd_write32_m(sc, ZYD_CR18, 3);
+fail:
+ return (error);
+}
+
+/*
+ * GCT RF methods.
+ */
+static int
+zyd_gct_init(struct zyd_rf *rf)
+{
+#define ZYD_GCT_INTR_REG 0x85c1
+ struct zyd_softc *sc = rf->rf_sc;
+ static const struct zyd_phy_pair phyini[] = ZYD_GCT_PHY;
+ static const uint32_t rfini[] = ZYD_GCT_RF;
+ static const uint16_t vco[11][7] = ZYD_GCT_VCO;
+ int i, idx = -1, error;
+ uint16_t data;
+
+ /* init RF-dependent PHY registers */
+ for (i = 0; i < nitems(phyini); i++)
+ zyd_write16_m(sc, phyini[i].reg, phyini[i].val);
+
+ /* init cgt radio */
+ for (i = 0; i < nitems(rfini); i++) {
+ if ((error = zyd_rfwrite(sc, rfini[i])) != 0)
+ return (error);
+ }
+
+ error = zyd_gct_mode(rf);
+ if (error != 0)
+ return (error);
+
+ for (i = 0; i < (int)(nitems(vco) - 1); i++) {
+ error = zyd_gct_set_channel_synth(rf, 1, 0);
+ if (error != 0)
+ goto fail;
+ error = zyd_gct_write(rf, vco[i][0]);
+ if (error != 0)
+ goto fail;
+ zyd_write16_m(sc, ZYD_GCT_INTR_REG, 0xf);
+ zyd_read16_m(sc, ZYD_GCT_INTR_REG, &data);
+ if ((data & 0xf) == 0) {
+ idx = i;
+ break;
+ }
+ }
+ if (idx == -1) {
+ error = zyd_gct_set_channel_synth(rf, 1, 1);
+ if (error != 0)
+ goto fail;
+ error = zyd_gct_write(rf, 0x6662);
+ if (error != 0)
+ goto fail;
+ }
+
+ rf->idx = idx;
+ zyd_write16_m(sc, ZYD_CR203, 0x6);
+fail:
+ return (error);
+#undef ZYD_GCT_INTR_REG
+}
+
+static int
+zyd_gct_mode(struct zyd_rf *rf)
+{
+ struct zyd_softc *sc = rf->rf_sc;
+ static const uint32_t mode[] = {
+ 0x25f98, 0x25f9a, 0x25f94, 0x27fd4
+ };
+ int i, error;
+
+ for (i = 0; i < nitems(mode); i++) {
+ if ((error = zyd_rfwrite(sc, mode[i])) != 0)
+ break;
+ }
+ return (error);
+}
+
+static int
+zyd_gct_set_channel_synth(struct zyd_rf *rf, int chan, int acal)
+{
+ int error, idx = chan - 1;
+ struct zyd_softc *sc = rf->rf_sc;
+ static uint32_t acal_synth[] = ZYD_GCT_CHANNEL_ACAL;
+ static uint32_t std_synth[] = ZYD_GCT_CHANNEL_STD;
+ static uint32_t div_synth[] = ZYD_GCT_CHANNEL_DIV;
+
+ error = zyd_rfwrite(sc,
+ (acal == 1) ? acal_synth[idx] : std_synth[idx]);
+ if (error != 0)
+ return (error);
+ return zyd_rfwrite(sc, div_synth[idx]);
+}
+
+static int
+zyd_gct_write(struct zyd_rf *rf, uint16_t value)
+{
+ struct zyd_softc *sc = rf->rf_sc;
+
+ return zyd_rfwrite(sc, 0x300000 | 0x40000 | value);
+}
+
+static int
+zyd_gct_switch_radio(struct zyd_rf *rf, int on)
+{
+ int error;
+ struct zyd_softc *sc = rf->rf_sc;
+
+ error = zyd_rfwrite(sc, on ? 0x25f94 : 0x25f90);
+ if (error != 0)
+ return (error);
+
+ zyd_write16_m(sc, ZYD_CR11, on ? 0x00 : 0x04);
+ zyd_write16_m(sc, ZYD_CR251,
+ on ? ((sc->sc_macrev == ZYD_ZD1211B) ? 0x7f : 0x3f) : 0x2f);
+fail:
+ return (error);
+}
+
+static int
+zyd_gct_set_channel(struct zyd_rf *rf, uint8_t chan)
+{
+ int error, i;
+ struct zyd_softc *sc = rf->rf_sc;
+ static const struct zyd_phy_pair cmd[] = {
+ { ZYD_CR80, 0x30 }, { ZYD_CR81, 0x30 }, { ZYD_CR79, 0x58 },
+ { ZYD_CR12, 0xf0 }, { ZYD_CR77, 0x1b }, { ZYD_CR78, 0x58 },
+ };
+ static const uint16_t vco[11][7] = ZYD_GCT_VCO;
+
+ error = zyd_gct_set_channel_synth(rf, chan, 0);
+ if (error != 0)
+ goto fail;
+ error = zyd_gct_write(rf, (rf->idx == -1) ? 0x6662 :
+ vco[rf->idx][((chan - 1) / 2)]);
+ if (error != 0)
+ goto fail;
+ error = zyd_gct_mode(rf);
+ if (error != 0)
+ return (error);
+ for (i = 0; i < nitems(cmd); i++)
+ zyd_write16_m(sc, cmd[i].reg, cmd[i].val);
+ error = zyd_gct_txgain(rf, chan);
+ if (error != 0)
+ return (error);
+ zyd_write16_m(sc, ZYD_CR203, 0x6);
+fail:
+ return (error);
+}
+
+static int
+zyd_gct_txgain(struct zyd_rf *rf, uint8_t chan)
+{
+ struct zyd_softc *sc = rf->rf_sc;
+ static uint32_t txgain[] = ZYD_GCT_TXGAIN;
+ uint8_t idx = sc->sc_pwrint[chan - 1];
+
+ if (idx >= nitems(txgain)) {
+ device_printf(sc->sc_dev, "could not set TX gain (%d %#x)\n",
+ chan, idx);
+ return 0;
+ }
+
+ return zyd_rfwrite(sc, 0x700000 | txgain[idx]);
+}
+
+/*
+ * Maxim2 RF methods.
+ */
+static int
+zyd_maxim2_init(struct zyd_rf *rf)
+{
+ struct zyd_softc *sc = rf->rf_sc;
+ static const struct zyd_phy_pair phyini[] = ZYD_MAXIM2_PHY;
+ static const uint32_t rfini[] = ZYD_MAXIM2_RF;
+ uint16_t tmp;
+ int i, error;
+
+ /* init RF-dependent PHY registers */
+ for (i = 0; i < nitems(phyini); i++)
+ zyd_write16_m(sc, phyini[i].reg, phyini[i].val);
+
+ zyd_read16_m(sc, ZYD_CR203, &tmp);
+ zyd_write16_m(sc, ZYD_CR203, tmp & ~(1 << 4));
+
+ /* init maxim2 radio */
+ for (i = 0; i < nitems(rfini); i++) {
+ if ((error = zyd_rfwrite(sc, rfini[i])) != 0)
+ return (error);
+ }
+ zyd_read16_m(sc, ZYD_CR203, &tmp);
+ zyd_write16_m(sc, ZYD_CR203, tmp | (1 << 4));
+fail:
+ return (error);
+}
+
+static int
+zyd_maxim2_switch_radio(struct zyd_rf *rf, int on)
+{
+
+ /* vendor driver does nothing for this RF chip */
+ return (0);
+}
+
+static int
+zyd_maxim2_set_channel(struct zyd_rf *rf, uint8_t chan)
+{
+ struct zyd_softc *sc = rf->rf_sc;
+ static const struct zyd_phy_pair phyini[] = ZYD_MAXIM2_PHY;
+ static const uint32_t rfini[] = ZYD_MAXIM2_RF;
+ static const struct {
+ uint32_t r1, r2;
+ } rfprog[] = ZYD_MAXIM2_CHANTABLE;
+ uint16_t tmp;
+ int i, error;
+
+ /*
+ * Do the same as we do when initializing it, except for the channel
+ * values coming from the two channel tables.
+ */
+
+ /* init RF-dependent PHY registers */
+ for (i = 0; i < nitems(phyini); i++)
+ zyd_write16_m(sc, phyini[i].reg, phyini[i].val);
+
+ zyd_read16_m(sc, ZYD_CR203, &tmp);
+ zyd_write16_m(sc, ZYD_CR203, tmp & ~(1 << 4));
+
+ /* first two values taken from the chantables */
+ error = zyd_rfwrite(sc, rfprog[chan - 1].r1);
+ if (error != 0)
+ goto fail;
+ error = zyd_rfwrite(sc, rfprog[chan - 1].r2);
+ if (error != 0)
+ goto fail;
+
+ /* init maxim2 radio - skipping the two first values */
+ for (i = 2; i < nitems(rfini); i++) {
+ if ((error = zyd_rfwrite(sc, rfini[i])) != 0)
+ return (error);
+ }
+ zyd_read16_m(sc, ZYD_CR203, &tmp);
+ zyd_write16_m(sc, ZYD_CR203, tmp | (1 << 4));
+fail:
+ return (error);
+}
+
+static int
+zyd_rf_attach(struct zyd_softc *sc, uint8_t type)
+{
+ struct zyd_rf *rf = &sc->sc_rf;
+
+ rf->rf_sc = sc;
+ rf->update_pwr = 1;
+
+ switch (type) {
+ case ZYD_RF_RFMD:
+ rf->init = zyd_rfmd_init;
+ rf->switch_radio = zyd_rfmd_switch_radio;
+ rf->set_channel = zyd_rfmd_set_channel;
+ rf->width = 24; /* 24-bit RF values */
+ break;
+ case ZYD_RF_AL2230:
+ case ZYD_RF_AL2230S:
+ if (sc->sc_macrev == ZYD_ZD1211B) {
+ rf->init = zyd_al2230_init_b;
+ rf->set_channel = zyd_al2230_set_channel_b;
+ } else {
+ rf->init = zyd_al2230_init;
+ rf->set_channel = zyd_al2230_set_channel;
+ }
+ rf->switch_radio = zyd_al2230_switch_radio;
+ rf->bandedge6 = zyd_al2230_bandedge6;
+ rf->width = 24; /* 24-bit RF values */
+ break;
+ case ZYD_RF_AL7230B:
+ rf->init = zyd_al7230B_init;
+ rf->switch_radio = zyd_al7230B_switch_radio;
+ rf->set_channel = zyd_al7230B_set_channel;
+ rf->width = 24; /* 24-bit RF values */
+ break;
+ case ZYD_RF_AL2210:
+ rf->init = zyd_al2210_init;
+ rf->switch_radio = zyd_al2210_switch_radio;
+ rf->set_channel = zyd_al2210_set_channel;
+ rf->width = 24; /* 24-bit RF values */
+ break;
+ case ZYD_RF_MAXIM_NEW:
+ case ZYD_RF_GCT:
+ rf->init = zyd_gct_init;
+ rf->switch_radio = zyd_gct_switch_radio;
+ rf->set_channel = zyd_gct_set_channel;
+ rf->width = 24; /* 24-bit RF values */
+ rf->update_pwr = 0;
+ break;
+ case ZYD_RF_MAXIM_NEW2:
+ rf->init = zyd_maxim2_init;
+ rf->switch_radio = zyd_maxim2_switch_radio;
+ rf->set_channel = zyd_maxim2_set_channel;
+ rf->width = 18; /* 18-bit RF values */
+ break;
+ default:
+ device_printf(sc->sc_dev,
+ "sorry, radio \"%s\" is not supported yet\n",
+ zyd_rf_name(type));
+ return (EINVAL);
+ }
+ return (0);
+}
+
+static const char *
+zyd_rf_name(uint8_t type)
+{
+ static const char * const zyd_rfs[] = {
+ "unknown", "unknown", "UW2451", "UCHIP", "AL2230",
+ "AL7230B", "THETA", "AL2210", "MAXIM_NEW", "GCT",
+ "AL2230S", "RALINK", "INTERSIL", "RFMD", "MAXIM_NEW2",
+ "PHILIPS"
+ };
+
+ return zyd_rfs[(type > 15) ? 0 : type];
+}
+
+static int
+zyd_hw_init(struct zyd_softc *sc)
+{
+ int error;
+ const struct zyd_phy_pair *phyp;
+ struct zyd_rf *rf = &sc->sc_rf;
+ uint16_t val;
+
+ /* specify that the plug and play is finished */
+ zyd_write32_m(sc, ZYD_MAC_AFTER_PNP, 1);
+ zyd_read16_m(sc, ZYD_FIRMWARE_BASE_ADDR, &sc->sc_fwbase);
+ DPRINTF(sc, ZYD_DEBUG_FW, "firmware base address=0x%04x\n",
+ sc->sc_fwbase);
+
+ /* retrieve firmware revision number */
+ zyd_read16_m(sc, sc->sc_fwbase + ZYD_FW_FIRMWARE_REV, &sc->sc_fwrev);
+ zyd_write32_m(sc, ZYD_CR_GPI_EN, 0);
+ zyd_write32_m(sc, ZYD_MAC_CONT_WIN_LIMIT, 0x7f043f);
+ /* set mandatory rates - XXX assumes 802.11b/g */
+ zyd_write32_m(sc, ZYD_MAC_MAN_RATE, 0x150f);
+
+ /* disable interrupts */
+ zyd_write32_m(sc, ZYD_CR_INTERRUPT, 0);
+
+ if ((error = zyd_read_pod(sc)) != 0) {
+ device_printf(sc->sc_dev, "could not read EEPROM\n");
+ goto fail;
+ }
+
+ /* PHY init (resetting) */
+ error = zyd_lock_phy(sc);
+ if (error != 0)
+ goto fail;
+ phyp = (sc->sc_macrev == ZYD_ZD1211B) ? zyd_def_phyB : zyd_def_phy;
+ for (; phyp->reg != 0; phyp++)
+ zyd_write16_m(sc, phyp->reg, phyp->val);
+ if (sc->sc_macrev == ZYD_ZD1211 && sc->sc_fix_cr157 != 0) {
+ zyd_read16_m(sc, ZYD_EEPROM_PHY_REG, &val);
+ zyd_write32_m(sc, ZYD_CR157, val >> 8);
+ }
+ error = zyd_unlock_phy(sc);
+ if (error != 0)
+ goto fail;
+
+ /* HMAC init */
+ zyd_write32_m(sc, ZYD_MAC_ACK_EXT, 0x00000020);
+ zyd_write32_m(sc, ZYD_CR_ADDA_MBIAS_WT, 0x30000808);
+ zyd_write32_m(sc, ZYD_MAC_SNIFFER, 0x00000000);
+ zyd_write32_m(sc, ZYD_MAC_RXFILTER, 0x00000000);
+ zyd_write32_m(sc, ZYD_MAC_GHTBL, 0x00000000);
+ zyd_write32_m(sc, ZYD_MAC_GHTBH, 0x80000000);
+ zyd_write32_m(sc, ZYD_MAC_MISC, 0x000000a4);
+ zyd_write32_m(sc, ZYD_CR_ADDA_PWR_DWN, 0x0000007f);
+ zyd_write32_m(sc, ZYD_MAC_BCNCFG, 0x00f00401);
+ zyd_write32_m(sc, ZYD_MAC_PHY_DELAY2, 0x00000000);
+ zyd_write32_m(sc, ZYD_MAC_ACK_EXT, 0x00000080);
+ zyd_write32_m(sc, ZYD_CR_ADDA_PWR_DWN, 0x00000000);
+ zyd_write32_m(sc, ZYD_MAC_SIFS_ACK_TIME, 0x00000100);
+ zyd_write32_m(sc, ZYD_CR_RX_PE_DELAY, 0x00000070);
+ zyd_write32_m(sc, ZYD_CR_PS_CTRL, 0x10000000);
+ zyd_write32_m(sc, ZYD_MAC_RTSCTSRATE, 0x02030203);
+ zyd_write32_m(sc, ZYD_MAC_AFTER_PNP, 1);
+ zyd_write32_m(sc, ZYD_MAC_BACKOFF_PROTECT, 0x00000114);
+ zyd_write32_m(sc, ZYD_MAC_DIFS_EIFS_SIFS, 0x0a47c032);
+ zyd_write32_m(sc, ZYD_MAC_CAM_MODE, 0x3);
+
+ if (sc->sc_macrev == ZYD_ZD1211) {
+ zyd_write32_m(sc, ZYD_MAC_RETRY, 0x00000002);
+ zyd_write32_m(sc, ZYD_MAC_RX_THRESHOLD, 0x000c0640);
+ } else {
+ zyd_write32_m(sc, ZYD_MACB_MAX_RETRY, 0x02020202);
+ zyd_write32_m(sc, ZYD_MACB_TXPWR_CTL4, 0x007f003f);
+ zyd_write32_m(sc, ZYD_MACB_TXPWR_CTL3, 0x007f003f);
+ zyd_write32_m(sc, ZYD_MACB_TXPWR_CTL2, 0x003f001f);
+ zyd_write32_m(sc, ZYD_MACB_TXPWR_CTL1, 0x001f000f);
+ zyd_write32_m(sc, ZYD_MACB_AIFS_CTL1, 0x00280028);
+ zyd_write32_m(sc, ZYD_MACB_AIFS_CTL2, 0x008C003C);
+ zyd_write32_m(sc, ZYD_MACB_TXOP, 0x01800824);
+ zyd_write32_m(sc, ZYD_MAC_RX_THRESHOLD, 0x000c0eff);
+ }
+
+ /* init beacon interval to 100ms */
+ if ((error = zyd_set_beacon_interval(sc, 100)) != 0)
+ goto fail;
+
+ if ((error = zyd_rf_attach(sc, sc->sc_rfrev)) != 0) {
+ device_printf(sc->sc_dev, "could not attach RF, rev 0x%x\n",
+ sc->sc_rfrev);
+ goto fail;
+ }
+
+ /* RF chip init */
+ error = zyd_lock_phy(sc);
+ if (error != 0)
+ goto fail;
+ error = (*rf->init)(rf);
+ if (error != 0) {
+ device_printf(sc->sc_dev,
+ "radio initialization failed, error %d\n", error);
+ goto fail;
+ }
+ error = zyd_unlock_phy(sc);
+ if (error != 0)
+ goto fail;
+
+ if ((error = zyd_read_eeprom(sc)) != 0) {
+ device_printf(sc->sc_dev, "could not read EEPROM\n");
+ goto fail;
+ }
+
+fail: return (error);
+}
+
+static int
+zyd_read_pod(struct zyd_softc *sc)
+{
+ int error;
+ uint32_t tmp;
+
+ zyd_read32_m(sc, ZYD_EEPROM_POD, &tmp);
+ sc->sc_rfrev = tmp & 0x0f;
+ sc->sc_ledtype = (tmp >> 4) & 0x01;
+ sc->sc_al2230s = (tmp >> 7) & 0x01;
+ sc->sc_cckgain = (tmp >> 8) & 0x01;
+ sc->sc_fix_cr157 = (tmp >> 13) & 0x01;
+ sc->sc_parev = (tmp >> 16) & 0x0f;
+ sc->sc_bandedge6 = (tmp >> 21) & 0x01;
+ sc->sc_newphy = (tmp >> 31) & 0x01;
+ sc->sc_txled = ((tmp & (1 << 24)) && (tmp & (1 << 29))) ? 0 : 1;
+fail:
+ return (error);
+}
+
+static int
+zyd_read_eeprom(struct zyd_softc *sc)
+{
+ uint16_t val;
+ int error, i;
+
+ /* read Tx power calibration tables */
+ for (i = 0; i < 7; i++) {
+ zyd_read16_m(sc, ZYD_EEPROM_PWR_CAL + i, &val);
+ sc->sc_pwrcal[i * 2] = val >> 8;
+ sc->sc_pwrcal[i * 2 + 1] = val & 0xff;
+ zyd_read16_m(sc, ZYD_EEPROM_PWR_INT + i, &val);
+ sc->sc_pwrint[i * 2] = val >> 8;
+ sc->sc_pwrint[i * 2 + 1] = val & 0xff;
+ zyd_read16_m(sc, ZYD_EEPROM_36M_CAL + i, &val);
+ sc->sc_ofdm36_cal[i * 2] = val >> 8;
+ sc->sc_ofdm36_cal[i * 2 + 1] = val & 0xff;
+ zyd_read16_m(sc, ZYD_EEPROM_48M_CAL + i, &val);
+ sc->sc_ofdm48_cal[i * 2] = val >> 8;
+ sc->sc_ofdm48_cal[i * 2 + 1] = val & 0xff;
+ zyd_read16_m(sc, ZYD_EEPROM_54M_CAL + i, &val);
+ sc->sc_ofdm54_cal[i * 2] = val >> 8;
+ sc->sc_ofdm54_cal[i * 2 + 1] = val & 0xff;
+ }
+fail:
+ return (error);
+}
+
+static int
+zyd_get_macaddr(struct zyd_softc *sc)
+{
+ struct usb_device_request req;
+ usb_error_t error;
+
+ req.bmRequestType = UT_READ_VENDOR_DEVICE;
+ req.bRequest = ZYD_READFWDATAREQ;
+ USETW(req.wValue, ZYD_EEPROM_MAC_ADDR_P1);
+ USETW(req.wIndex, 0);
+ USETW(req.wLength, IEEE80211_ADDR_LEN);
+
+ error = zyd_do_request(sc, &req, sc->sc_ic.ic_macaddr);
+ if (error != 0) {
+ device_printf(sc->sc_dev, "could not read EEPROM: %s\n",
+ usbd_errstr(error));
+ }
+
+ return (error);
+}
+
+static int
+zyd_set_macaddr(struct zyd_softc *sc, const uint8_t *addr)
+{
+ int error;
+ uint32_t tmp;
+
+ tmp = addr[3] << 24 | addr[2] << 16 | addr[1] << 8 | addr[0];
+ zyd_write32_m(sc, ZYD_MAC_MACADRL, tmp);
+ tmp = addr[5] << 8 | addr[4];
+ zyd_write32_m(sc, ZYD_MAC_MACADRH, tmp);
+fail:
+ return (error);
+}
+
+static int
+zyd_set_bssid(struct zyd_softc *sc, const uint8_t *addr)
+{
+ int error;
+ uint32_t tmp;
+
+ tmp = addr[3] << 24 | addr[2] << 16 | addr[1] << 8 | addr[0];
+ zyd_write32_m(sc, ZYD_MAC_BSSADRL, tmp);
+ tmp = addr[5] << 8 | addr[4];
+ zyd_write32_m(sc, ZYD_MAC_BSSADRH, tmp);
+fail:
+ return (error);
+}
+
+static int
+zyd_switch_radio(struct zyd_softc *sc, int on)
+{
+ struct zyd_rf *rf = &sc->sc_rf;
+ int error;
+
+ error = zyd_lock_phy(sc);
+ if (error != 0)
+ goto fail;
+ error = (*rf->switch_radio)(rf, on);
+ if (error != 0)
+ goto fail;
+ error = zyd_unlock_phy(sc);
+fail:
+ return (error);
+}
+
+static int
+zyd_set_led(struct zyd_softc *sc, int which, int on)
+{
+ int error;
+ uint32_t tmp;
+
+ zyd_read32_m(sc, ZYD_MAC_TX_PE_CONTROL, &tmp);
+ tmp &= ~which;
+ if (on)
+ tmp |= which;
+ zyd_write32_m(sc, ZYD_MAC_TX_PE_CONTROL, tmp);
+fail:
+ return (error);
+}
+
+static u_int
+zyd_hash_maddr(void *arg, struct sockaddr_dl *sdl, u_int cnt)
+{
+ uint32_t *hash = arg;
+ uint8_t v;
+
+ v = ((uint8_t *)LLADDR(sdl))[5] >> 2;
+ if (v < 32)
+ hash[0] |= 1 << v;
+ else
+ hash[1] |= 1 << (v - 32);
+
+ return (1);
+}
+
+static void
+zyd_set_multi(struct zyd_softc *sc)
+{
+ struct ieee80211com *ic = &sc->sc_ic;
+ uint32_t hash[2];
+ int error;
+
+ if ((sc->sc_flags & ZYD_FLAG_RUNNING) == 0)
+ return;
+
+ hash[0] = 0x00000000;
+ hash[1] = 0x80000000;
+
+ if (ic->ic_opmode == IEEE80211_M_MONITOR || ic->ic_allmulti > 0 ||
+ ic->ic_promisc > 0) {
+ hash[0] = 0xffffffff;
+ hash[1] = 0xffffffff;
+ } else {
+ struct ieee80211vap *vap;
+
+ TAILQ_FOREACH(vap, &ic->ic_vaps, iv_next)
+ if_foreach_llmaddr(vap->iv_ifp, zyd_hash_maddr, &hash);
+ }
+
+ /* reprogram multicast global hash table */
+ zyd_write32_m(sc, ZYD_MAC_GHTBL, hash[0]);
+ zyd_write32_m(sc, ZYD_MAC_GHTBH, hash[1]);
+fail:
+ if (error != 0)
+ device_printf(sc->sc_dev,
+ "could not set multicast hash table\n");
+}
+
+static void
+zyd_update_mcast(struct ieee80211com *ic)
+{
+ struct zyd_softc *sc = ic->ic_softc;
+
+ ZYD_LOCK(sc);
+ zyd_set_multi(sc);
+ ZYD_UNLOCK(sc);
+}
+
+static int
+zyd_set_rxfilter(struct zyd_softc *sc)
+{
+ struct ieee80211com *ic = &sc->sc_ic;
+ uint32_t rxfilter;
+
+ switch (ic->ic_opmode) {
+ case IEEE80211_M_STA:
+ rxfilter = ZYD_FILTER_BSS;
+ break;
+ case IEEE80211_M_IBSS:
+ case IEEE80211_M_HOSTAP:
+ rxfilter = ZYD_FILTER_HOSTAP;
+ break;
+ case IEEE80211_M_MONITOR:
+ rxfilter = ZYD_FILTER_MONITOR;
+ break;
+ default:
+ /* should not get there */
+ return (EINVAL);
+ }
+ return zyd_write32(sc, ZYD_MAC_RXFILTER, rxfilter);
+}
+
+static void
+zyd_set_chan(struct zyd_softc *sc, struct ieee80211_channel *c)
+{
+ int error;
+ struct ieee80211com *ic = &sc->sc_ic;
+ struct zyd_rf *rf = &sc->sc_rf;
+ uint32_t tmp;
+ int chan;
+
+ chan = ieee80211_chan2ieee(ic, c);
+ if (chan == 0 || chan == IEEE80211_CHAN_ANY) {
+ /* XXX should NEVER happen */
+ device_printf(sc->sc_dev,
+ "%s: invalid channel %x\n", __func__, chan);
+ return;
+ }
+
+ error = zyd_lock_phy(sc);
+ if (error != 0)
+ goto fail;
+
+ error = (*rf->set_channel)(rf, chan);
+ if (error != 0)
+ goto fail;
+
+ if (rf->update_pwr) {
+ /* update Tx power */
+ zyd_write16_m(sc, ZYD_CR31, sc->sc_pwrint[chan - 1]);
+
+ if (sc->sc_macrev == ZYD_ZD1211B) {
+ zyd_write16_m(sc, ZYD_CR67,
+ sc->sc_ofdm36_cal[chan - 1]);
+ zyd_write16_m(sc, ZYD_CR66,
+ sc->sc_ofdm48_cal[chan - 1]);
+ zyd_write16_m(sc, ZYD_CR65,
+ sc->sc_ofdm54_cal[chan - 1]);
+ zyd_write16_m(sc, ZYD_CR68, sc->sc_pwrcal[chan - 1]);
+ zyd_write16_m(sc, ZYD_CR69, 0x28);
+ zyd_write16_m(sc, ZYD_CR69, 0x2a);
+ }
+ }
+ if (sc->sc_cckgain) {
+ /* set CCK baseband gain from EEPROM */
+ if (zyd_read32(sc, ZYD_EEPROM_PHY_REG, &tmp) == 0)
+ zyd_write16_m(sc, ZYD_CR47, tmp & 0xff);
+ }
+ if (sc->sc_bandedge6 && rf->bandedge6 != NULL) {
+ error = (*rf->bandedge6)(rf, c);
+ if (error != 0)
+ goto fail;
+ }
+ zyd_write32_m(sc, ZYD_CR_CONFIG_PHILIPS, 0);
+
+ error = zyd_unlock_phy(sc);
+ if (error != 0)
+ goto fail;
+
+ sc->sc_rxtap.wr_chan_freq = sc->sc_txtap.wt_chan_freq =
+ htole16(c->ic_freq);
+ sc->sc_rxtap.wr_chan_flags = sc->sc_txtap.wt_chan_flags =
+ htole16(c->ic_flags);
+fail:
+ return;
+}
+
+static int
+zyd_set_beacon_interval(struct zyd_softc *sc, int bintval)
+{
+ int error;
+ uint32_t val;
+
+ zyd_read32_m(sc, ZYD_CR_ATIM_WND_PERIOD, &val);
+ sc->sc_atim_wnd = val;
+ zyd_read32_m(sc, ZYD_CR_PRE_TBTT, &val);
+ sc->sc_pre_tbtt = val;
+ sc->sc_bcn_int = bintval;
+
+ if (sc->sc_bcn_int <= 5)
+ sc->sc_bcn_int = 5;
+ if (sc->sc_pre_tbtt < 4 || sc->sc_pre_tbtt >= sc->sc_bcn_int)
+ sc->sc_pre_tbtt = sc->sc_bcn_int - 1;
+ if (sc->sc_atim_wnd >= sc->sc_pre_tbtt)
+ sc->sc_atim_wnd = sc->sc_pre_tbtt - 1;
+
+ zyd_write32_m(sc, ZYD_CR_ATIM_WND_PERIOD, sc->sc_atim_wnd);
+ zyd_write32_m(sc, ZYD_CR_PRE_TBTT, sc->sc_pre_tbtt);
+ zyd_write32_m(sc, ZYD_CR_BCN_INTERVAL, sc->sc_bcn_int);
+fail:
+ return (error);
+}
+
+static void
+zyd_rx_data(struct usb_xfer *xfer, int offset, uint16_t len)
+{
+ struct zyd_softc *sc = usbd_xfer_softc(xfer);
+ struct ieee80211com *ic = &sc->sc_ic;
+ struct zyd_plcphdr plcp;
+ struct zyd_rx_stat stat;
+ struct usb_page_cache *pc;
+ struct mbuf *m;
+ int rlen, rssi;
+
+ if (len < ZYD_MIN_FRAGSZ) {
+ DPRINTF(sc, ZYD_DEBUG_RECV, "%s: frame too short (length=%d)\n",
+ device_get_nameunit(sc->sc_dev), len);
+ counter_u64_add(ic->ic_ierrors, 1);
+ return;
+ }
+ pc = usbd_xfer_get_frame(xfer, 0);
+ usbd_copy_out(pc, offset, &plcp, sizeof(plcp));
+ usbd_copy_out(pc, offset + len - sizeof(stat), &stat, sizeof(stat));
+
+ if (stat.flags & ZYD_RX_ERROR) {
+ DPRINTF(sc, ZYD_DEBUG_RECV,
+ "%s: RX status indicated error (%x)\n",
+ device_get_nameunit(sc->sc_dev), stat.flags);
+ counter_u64_add(ic->ic_ierrors, 1);
+ return;
+ }
+
+ /* compute actual frame length */
+ rlen = len - sizeof(struct zyd_plcphdr) -
+ sizeof(struct zyd_rx_stat) - IEEE80211_CRC_LEN;
+
+ /* allocate a mbuf to store the frame */
+ if (rlen > (int)MCLBYTES) {
+ DPRINTF(sc, ZYD_DEBUG_RECV, "%s: frame too long (length=%d)\n",
+ device_get_nameunit(sc->sc_dev), rlen);
+ counter_u64_add(ic->ic_ierrors, 1);
+ return;
+ } else if (rlen > (int)MHLEN)
+ m = m_getcl(M_NOWAIT, MT_DATA, M_PKTHDR);
+ else
+ m = m_gethdr(M_NOWAIT, MT_DATA);
+ if (m == NULL) {
+ DPRINTF(sc, ZYD_DEBUG_RECV, "%s: could not allocate rx mbuf\n",
+ device_get_nameunit(sc->sc_dev));
+ counter_u64_add(ic->ic_ierrors, 1);
+ return;
+ }
+ m->m_pkthdr.len = m->m_len = rlen;
+ usbd_copy_out(pc, offset + sizeof(plcp), mtod(m, uint8_t *), rlen);
+
+ if (ieee80211_radiotap_active(ic)) {
+ struct zyd_rx_radiotap_header *tap = &sc->sc_rxtap;
+
+ tap->wr_flags = 0;
+ if (stat.flags & (ZYD_RX_BADCRC16 | ZYD_RX_BADCRC32))
+ tap->wr_flags |= IEEE80211_RADIOTAP_F_BADFCS;
+ /* XXX toss, no way to express errors */
+ if (stat.flags & ZYD_RX_DECRYPTERR)
+ tap->wr_flags |= IEEE80211_RADIOTAP_F_BADFCS;
+ tap->wr_rate = ieee80211_plcp2rate(plcp.signal,
+ (stat.flags & ZYD_RX_OFDM) ?
+ IEEE80211_T_OFDM : IEEE80211_T_CCK);
+ tap->wr_antsignal = stat.rssi + -95;
+ tap->wr_antnoise = -95; /* XXX */
+ }
+ rssi = (stat.rssi > 63) ? 127 : 2 * stat.rssi;
+
+ sc->sc_rx_data[sc->sc_rx_count].rssi = rssi;
+ sc->sc_rx_data[sc->sc_rx_count].m = m;
+ sc->sc_rx_count++;
+}
+
+static void
+zyd_bulk_read_callback(struct usb_xfer *xfer, usb_error_t error)
+{
+ struct zyd_softc *sc = usbd_xfer_softc(xfer);
+ struct ieee80211com *ic = &sc->sc_ic;
+ struct ieee80211_node *ni;
+ struct zyd_rx_desc desc;
+ struct mbuf *m;
+ struct usb_page_cache *pc;
+ uint32_t offset;
+ uint8_t rssi;
+ int8_t nf;
+ int i;
+ int actlen;
+
+ usbd_xfer_status(xfer, &actlen, NULL, NULL, NULL);
+
+ sc->sc_rx_count = 0;
+ switch (USB_GET_STATE(xfer)) {
+ case USB_ST_TRANSFERRED:
+ pc = usbd_xfer_get_frame(xfer, 0);
+ usbd_copy_out(pc, actlen - sizeof(desc), &desc, sizeof(desc));
+
+ offset = 0;
+ if (UGETW(desc.tag) == ZYD_TAG_MULTIFRAME) {
+ DPRINTF(sc, ZYD_DEBUG_RECV,
+ "%s: received multi-frame transfer\n", __func__);
+
+ for (i = 0; i < ZYD_MAX_RXFRAMECNT; i++) {
+ uint16_t len16 = UGETW(desc.len[i]);
+
+ if (len16 == 0 || len16 > actlen)
+ break;
+
+ zyd_rx_data(xfer, offset, len16);
+
+ /* next frame is aligned on a 32-bit boundary */
+ len16 = (len16 + 3) & ~3;
+ offset += len16;
+ if (len16 > actlen)
+ break;
+ actlen -= len16;
+ }
+ } else {
+ DPRINTF(sc, ZYD_DEBUG_RECV,
+ "%s: received single-frame transfer\n", __func__);
+
+ zyd_rx_data(xfer, 0, actlen);
+ }
+ /* FALLTHROUGH */
+ case USB_ST_SETUP:
+tr_setup:
+ usbd_xfer_set_frame_len(xfer, 0, usbd_xfer_max_len(xfer));
+ usbd_transfer_submit(xfer);
+
+ /*
+ * At the end of a USB callback it is always safe to unlock
+ * the private mutex of a device! That is why we do the
+ * "ieee80211_input" here, and not some lines up!
+ */
+ ZYD_UNLOCK(sc);
+ for (i = 0; i < sc->sc_rx_count; i++) {
+ rssi = sc->sc_rx_data[i].rssi;
+ m = sc->sc_rx_data[i].m;
+ sc->sc_rx_data[i].m = NULL;
+
+ nf = -95; /* XXX */
+
+ ni = ieee80211_find_rxnode(ic,
+ mtod(m, struct ieee80211_frame_min *));
+ if (ni != NULL) {
+ (void)ieee80211_input(ni, m, rssi, nf);
+ ieee80211_free_node(ni);
+ } else
+ (void)ieee80211_input_all(ic, m, rssi, nf);
+ }
+ ZYD_LOCK(sc);
+ zyd_start(sc);
+ break;
+
+ default: /* Error */
+ DPRINTF(sc, ZYD_DEBUG_ANY, "frame error: %s\n", usbd_errstr(error));
+
+ if (error != USB_ERR_CANCELLED) {
+ /* try to clear stall first */
+ usbd_xfer_set_stall(xfer);
+ goto tr_setup;
+ }
+ break;
+ }
+}
+
+static uint8_t
+zyd_plcp_signal(struct zyd_softc *sc, int rate)
+{
+ switch (rate) {
+ /* OFDM rates (cf IEEE Std 802.11a-1999, pp. 14 Table 80) */
+ case 12:
+ return (0xb);
+ case 18:
+ return (0xf);
+ case 24:
+ return (0xa);
+ case 36:
+ return (0xe);
+ case 48:
+ return (0x9);
+ case 72:
+ return (0xd);
+ case 96:
+ return (0x8);
+ case 108:
+ return (0xc);
+ /* CCK rates (NB: not IEEE std, device-specific) */
+ case 2:
+ return (0x0);
+ case 4:
+ return (0x1);
+ case 11:
+ return (0x2);
+ case 22:
+ return (0x3);
+ }
+
+ device_printf(sc->sc_dev, "unsupported rate %d\n", rate);
+ return (0x0);
+}
+
+static void
+zyd_bulk_write_callback(struct usb_xfer *xfer, usb_error_t error)
+{
+ struct zyd_softc *sc = usbd_xfer_softc(xfer);
+ struct ieee80211vap *vap;
+ struct zyd_tx_data *data;
+ struct mbuf *m;
+ struct usb_page_cache *pc;
+ int actlen;
+
+ usbd_xfer_status(xfer, &actlen, NULL, NULL, NULL);
+
+ switch (USB_GET_STATE(xfer)) {
+ case USB_ST_TRANSFERRED:
+ DPRINTF(sc, ZYD_DEBUG_ANY, "transfer complete, %u bytes\n",
+ actlen);
+
+ /* free resources */
+ data = usbd_xfer_get_priv(xfer);
+ zyd_tx_free(data, 0);
+ usbd_xfer_set_priv(xfer, NULL);
+
+ /* FALLTHROUGH */
+ case USB_ST_SETUP:
+tr_setup:
+ data = STAILQ_FIRST(&sc->tx_q);
+ if (data) {
+ STAILQ_REMOVE_HEAD(&sc->tx_q, next);
+ m = data->m;
+
+ if (m->m_pkthdr.len > (int)ZYD_MAX_TXBUFSZ) {
+ DPRINTF(sc, ZYD_DEBUG_ANY, "data overflow, %u bytes\n",
+ m->m_pkthdr.len);
+ m->m_pkthdr.len = ZYD_MAX_TXBUFSZ;
+ }
+ pc = usbd_xfer_get_frame(xfer, 0);
+ usbd_copy_in(pc, 0, &data->desc, ZYD_TX_DESC_SIZE);
+ usbd_m_copy_in(pc, ZYD_TX_DESC_SIZE, m, 0,
+ m->m_pkthdr.len);
+
+ vap = data->ni->ni_vap;
+ if (ieee80211_radiotap_active_vap(vap)) {
+ struct zyd_tx_radiotap_header *tap = &sc->sc_txtap;
+
+ tap->wt_flags = 0;
+ tap->wt_rate = data->rate;
+
+ ieee80211_radiotap_tx(vap, m);
+ }
+
+ usbd_xfer_set_frame_len(xfer, 0, ZYD_TX_DESC_SIZE + m->m_pkthdr.len);
+ usbd_xfer_set_priv(xfer, data);
+ usbd_transfer_submit(xfer);
+ }
+ zyd_start(sc);
+ break;
+
+ default: /* Error */
+ DPRINTF(sc, ZYD_DEBUG_ANY, "transfer error, %s\n",
+ usbd_errstr(error));
+
+ counter_u64_add(sc->sc_ic.ic_oerrors, 1);
+ data = usbd_xfer_get_priv(xfer);
+ usbd_xfer_set_priv(xfer, NULL);
+ if (data != NULL)
+ zyd_tx_free(data, error);
+
+ if (error != USB_ERR_CANCELLED) {
+ if (error == USB_ERR_TIMEOUT)
+ device_printf(sc->sc_dev, "device timeout\n");
+
+ /*
+ * Try to clear stall first, also if other
+ * errors occur, hence clearing stall
+ * introduces a 50 ms delay:
+ */
+ usbd_xfer_set_stall(xfer);
+ goto tr_setup;
+ }
+ break;
+ }
+}
+
+static int
+zyd_tx_start(struct zyd_softc *sc, struct mbuf *m0, struct ieee80211_node *ni)
+{
+ struct ieee80211vap *vap = ni->ni_vap;
+ struct ieee80211com *ic = ni->ni_ic;
+ struct zyd_tx_desc *desc;
+ struct zyd_tx_data *data;
+ struct ieee80211_frame *wh;
+ const struct ieee80211_txparam *tp = ni->ni_txparms;
+ struct ieee80211_key *k;
+ int rate, totlen, type, ismcast;
+ static const uint8_t ratediv[] = ZYD_TX_RATEDIV;
+ uint8_t phy;
+ uint16_t pktlen;
+ uint32_t bits;
+
+ wh = mtod(m0, struct ieee80211_frame *);
+ data = STAILQ_FIRST(&sc->tx_free);
+ STAILQ_REMOVE_HEAD(&sc->tx_free, next);
+ sc->tx_nfree--;
+
+ ismcast = IEEE80211_IS_MULTICAST(wh->i_addr1);
+ type = wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK;
+
+ if (type == IEEE80211_FC0_TYPE_MGT ||
+ type == IEEE80211_FC0_TYPE_CTL ||
+ (m0->m_flags & M_EAPOL) != 0) {
+ rate = tp->mgmtrate;
+ } else {
+ /* for data frames */
+ if (ismcast)
+ rate = tp->mcastrate;
+ else if (tp->ucastrate != IEEE80211_FIXED_RATE_NONE)
+ rate = tp->ucastrate;
+ else {
+ (void) ieee80211_ratectl_rate(ni, NULL, 0);
+ rate = ieee80211_node_get_txrate_dot11rate(ni);
+ }
+ }
+
+ ieee80211_output_seqno_assign(ni, -1, m0);
+
+ if (wh->i_fc[1] & IEEE80211_FC1_PROTECTED) {
+ k = ieee80211_crypto_encap(ni, m0);
+ if (k == NULL) {
+ return (ENOBUFS);
+ }
+ /* packet header may have moved, reset our local pointer */
+ wh = mtod(m0, struct ieee80211_frame *);
+ }
+
+ data->ni = ni;
+ data->m = m0;
+ data->rate = rate;
+
+ /* fill Tx descriptor */
+ desc = &data->desc;
+ phy = zyd_plcp_signal(sc, rate);
+ desc->phy = phy;
+ if (ZYD_RATE_IS_OFDM(rate)) {
+ desc->phy |= ZYD_TX_PHY_OFDM;
+ if (IEEE80211_IS_CHAN_5GHZ(ic->ic_curchan))
+ desc->phy |= ZYD_TX_PHY_5GHZ;
+ } else if (rate != 2 && (ic->ic_flags & IEEE80211_F_SHPREAMBLE))
+ desc->phy |= ZYD_TX_PHY_SHPREAMBLE;
+
+ totlen = m0->m_pkthdr.len + IEEE80211_CRC_LEN;
+ desc->len = htole16(totlen);
+
+ desc->flags = ZYD_TX_FLAG_BACKOFF;
+ if (!ismcast) {
+ /* multicast frames are not sent at OFDM rates in 802.11b/g */
+ if (totlen > vap->iv_rtsthreshold) {
+ desc->flags |= ZYD_TX_FLAG_RTS;
+ } else if (ZYD_RATE_IS_OFDM(rate) &&
+ (ic->ic_flags & IEEE80211_F_USEPROT)) {
+ if (ic->ic_protmode == IEEE80211_PROT_CTSONLY)
+ desc->flags |= ZYD_TX_FLAG_CTS_TO_SELF;
+ else if (ic->ic_protmode == IEEE80211_PROT_RTSCTS)
+ desc->flags |= ZYD_TX_FLAG_RTS;
+ }
+ } else
+ desc->flags |= ZYD_TX_FLAG_MULTICAST;
+ if (IEEE80211_IS_CTL_PS_POLL(wh))
+ desc->flags |= ZYD_TX_FLAG_TYPE(ZYD_TX_TYPE_PS_POLL);
+
+ /* actual transmit length (XXX why +10?) */
+ pktlen = ZYD_TX_DESC_SIZE + 10;
+ if (sc->sc_macrev == ZYD_ZD1211)
+ pktlen += totlen;
+ desc->pktlen = htole16(pktlen);
+
+ bits = (rate == 11) ? (totlen * 16) + 10 :
+ ((rate == 22) ? (totlen * 8) + 10 : (totlen * 8));
+ desc->plcp_length = htole16(bits / ratediv[phy]);
+ desc->plcp_service = 0;
+ if (rate == 22 && (bits % 11) > 0 && (bits % 11) <= 3)
+ desc->plcp_service |= ZYD_PLCP_LENGEXT;
+ desc->nextlen = 0;
+
+ if (ieee80211_radiotap_active_vap(vap)) {
+ struct zyd_tx_radiotap_header *tap = &sc->sc_txtap;
+
+ tap->wt_flags = 0;
+ tap->wt_rate = rate;
+
+ ieee80211_radiotap_tx(vap, m0);
+ }
+
+ DPRINTF(sc, ZYD_DEBUG_XMIT,
+ "%s: sending data frame len=%zu rate=%u\n",
+ device_get_nameunit(sc->sc_dev), (size_t)m0->m_pkthdr.len,
+ rate);
+
+ STAILQ_INSERT_TAIL(&sc->tx_q, data, next);
+ usbd_transfer_start(sc->sc_xfer[ZYD_BULK_WR]);
+
+ return (0);
+}
+
+static int
+zyd_transmit(struct ieee80211com *ic, struct mbuf *m)
+{
+ struct zyd_softc *sc = ic->ic_softc;
+ int error;
+
+ ZYD_LOCK(sc);
+ if ((sc->sc_flags & ZYD_FLAG_RUNNING) == 0) {
+ ZYD_UNLOCK(sc);
+ return (ENXIO);
+ }
+ error = mbufq_enqueue(&sc->sc_snd, m);
+ if (error) {
+ ZYD_UNLOCK(sc);
+ return (error);
+ }
+ zyd_start(sc);
+ ZYD_UNLOCK(sc);
+
+ return (0);
+}
+
+static void
+zyd_start(struct zyd_softc *sc)
+{
+ struct ieee80211_node *ni;
+ struct mbuf *m;
+
+ ZYD_LOCK_ASSERT(sc, MA_OWNED);
+
+ while (sc->tx_nfree > 0 && (m = mbufq_dequeue(&sc->sc_snd)) != NULL) {
+ ni = (struct ieee80211_node *)m->m_pkthdr.rcvif;
+ if (zyd_tx_start(sc, m, ni) != 0) {
+ m_freem(m);
+ if_inc_counter(ni->ni_vap->iv_ifp,
+ IFCOUNTER_OERRORS, 1);
+ ieee80211_free_node(ni);
+ break;
+ }
+ }
+}
+
+static int
+zyd_raw_xmit(struct ieee80211_node *ni, struct mbuf *m,
+ const struct ieee80211_bpf_params *params)
+{
+ struct ieee80211com *ic = ni->ni_ic;
+ struct zyd_softc *sc = ic->ic_softc;
+
+ ZYD_LOCK(sc);
+ /* prevent management frames from being sent if we're not ready */
+ if (!(sc->sc_flags & ZYD_FLAG_RUNNING)) {
+ ZYD_UNLOCK(sc);
+ m_freem(m);
+ return (ENETDOWN);
+ }
+ if (sc->tx_nfree == 0) {
+ ZYD_UNLOCK(sc);
+ m_freem(m);
+ return (ENOBUFS); /* XXX */
+ }
+
+ /*
+ * Legacy path; interpret frame contents to decide
+ * precisely how to send the frame.
+ * XXX raw path
+ */
+ if (zyd_tx_start(sc, m, ni) != 0) {
+ ZYD_UNLOCK(sc);
+ m_freem(m);
+ return (EIO);
+ }
+ ZYD_UNLOCK(sc);
+ return (0);
+}
+
+static void
+zyd_parent(struct ieee80211com *ic)
+{
+ struct zyd_softc *sc = ic->ic_softc;
+ int startall = 0;
+
+ ZYD_LOCK(sc);
+ if (sc->sc_flags & ZYD_FLAG_DETACHED) {
+ ZYD_UNLOCK(sc);
+ return;
+ }
+ if (ic->ic_nrunning > 0) {
+ if ((sc->sc_flags & ZYD_FLAG_RUNNING) == 0) {
+ zyd_init_locked(sc);
+ startall = 1;
+ } else
+ zyd_set_multi(sc);
+ } else if (sc->sc_flags & ZYD_FLAG_RUNNING)
+ zyd_stop(sc);
+ ZYD_UNLOCK(sc);
+ if (startall)
+ ieee80211_start_all(ic);
+}
+
+static void
+zyd_init_locked(struct zyd_softc *sc)
+{
+ struct ieee80211com *ic = &sc->sc_ic;
+ struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps);
+ struct usb_config_descriptor *cd;
+ int error;
+ uint32_t val;
+
+ ZYD_LOCK_ASSERT(sc, MA_OWNED);
+
+ if (!(sc->sc_flags & ZYD_FLAG_INITONCE)) {
+ error = zyd_loadfirmware(sc);
+ if (error != 0) {
+ device_printf(sc->sc_dev,
+ "could not load firmware (error=%d)\n", error);
+ goto fail;
+ }
+
+ /* reset device */
+ cd = usbd_get_config_descriptor(sc->sc_udev);
+ error = usbd_req_set_config(sc->sc_udev, &sc->sc_mtx,
+ cd->bConfigurationValue);
+ if (error)
+ device_printf(sc->sc_dev, "reset failed, continuing\n");
+
+ error = zyd_hw_init(sc);
+ if (error) {
+ device_printf(sc->sc_dev,
+ "hardware initialization failed\n");
+ goto fail;
+ }
+
+ device_printf(sc->sc_dev,
+ "HMAC ZD1211%s, FW %02x.%02x, RF %s S%x, PA%x LED %x "
+ "BE%x NP%x Gain%x F%x\n",
+ (sc->sc_macrev == ZYD_ZD1211) ? "": "B",
+ sc->sc_fwrev >> 8, sc->sc_fwrev & 0xff,
+ zyd_rf_name(sc->sc_rfrev), sc->sc_al2230s, sc->sc_parev,
+ sc->sc_ledtype, sc->sc_bandedge6, sc->sc_newphy,
+ sc->sc_cckgain, sc->sc_fix_cr157);
+
+ /* read regulatory domain (currently unused) */
+ zyd_read32_m(sc, ZYD_EEPROM_SUBID, &val);
+ sc->sc_regdomain = val >> 16;
+ DPRINTF(sc, ZYD_DEBUG_INIT, "regulatory domain %x\n",
+ sc->sc_regdomain);
+
+ /* we'll do software WEP decryption for now */
+ DPRINTF(sc, ZYD_DEBUG_INIT, "%s: setting encryption type\n",
+ __func__);
+ zyd_write32_m(sc, ZYD_MAC_ENCRYPTION_TYPE, ZYD_ENC_SNIFFER);
+
+ sc->sc_flags |= ZYD_FLAG_INITONCE;
+ }
+
+ if (sc->sc_flags & ZYD_FLAG_RUNNING)
+ zyd_stop(sc);
+
+ DPRINTF(sc, ZYD_DEBUG_INIT, "setting MAC address to %6D\n",
+ vap ? vap->iv_myaddr : ic->ic_macaddr, ":");
+ error = zyd_set_macaddr(sc, vap ? vap->iv_myaddr : ic->ic_macaddr);
+ if (error != 0)
+ return;
+
+ /* set basic rates */
+ if (ic->ic_curmode == IEEE80211_MODE_11B)
+ zyd_write32_m(sc, ZYD_MAC_BAS_RATE, 0x0003);
+ else if (ic->ic_curmode == IEEE80211_MODE_11A)
+ zyd_write32_m(sc, ZYD_MAC_BAS_RATE, 0x1500);
+ else /* assumes 802.11b/g */
+ zyd_write32_m(sc, ZYD_MAC_BAS_RATE, 0xff0f);
+
+ /* promiscuous mode */
+ zyd_write32_m(sc, ZYD_MAC_SNIFFER, 0);
+ /* multicast setup */
+ zyd_set_multi(sc);
+ /* set RX filter */
+ error = zyd_set_rxfilter(sc);
+ if (error != 0)
+ goto fail;
+
+ /* switch radio transmitter ON */
+ error = zyd_switch_radio(sc, 1);
+ if (error != 0)
+ goto fail;
+ /* set default BSS channel */
+ zyd_set_chan(sc, ic->ic_curchan);
+
+ /*
+ * Allocate Tx and Rx xfer queues.
+ */
+ zyd_setup_tx_list(sc);
+
+ /* enable interrupts */
+ zyd_write32_m(sc, ZYD_CR_INTERRUPT, ZYD_HWINT_MASK);
+
+ sc->sc_flags |= ZYD_FLAG_RUNNING;
+ usbd_xfer_set_stall(sc->sc_xfer[ZYD_BULK_WR]);
+ usbd_transfer_start(sc->sc_xfer[ZYD_BULK_RD]);
+ usbd_transfer_start(sc->sc_xfer[ZYD_INTR_RD]);
+
+ return;
+
+fail: zyd_stop(sc);
+ return;
+}
+
+static void
+zyd_stop(struct zyd_softc *sc)
+{
+ int error;
+
+ ZYD_LOCK_ASSERT(sc, MA_OWNED);
+
+ sc->sc_flags &= ~ZYD_FLAG_RUNNING;
+ zyd_drain_mbufq(sc);
+
+ /*
+ * Drain all the transfers, if not already drained:
+ */
+ ZYD_UNLOCK(sc);
+ usbd_transfer_drain(sc->sc_xfer[ZYD_BULK_WR]);
+ usbd_transfer_drain(sc->sc_xfer[ZYD_BULK_RD]);
+ ZYD_LOCK(sc);
+
+ zyd_unsetup_tx_list(sc);
+
+ /* Stop now if the device was never set up */
+ if (!(sc->sc_flags & ZYD_FLAG_INITONCE))
+ return;
+
+ /* switch radio transmitter OFF */
+ error = zyd_switch_radio(sc, 0);
+ if (error != 0)
+ goto fail;
+ /* disable Rx */
+ zyd_write32_m(sc, ZYD_MAC_RXFILTER, 0);
+ /* disable interrupts */
+ zyd_write32_m(sc, ZYD_CR_INTERRUPT, 0);
+
+fail:
+ return;
+}
+
+static int
+zyd_loadfirmware(struct zyd_softc *sc)
+{
+ struct usb_device_request req;
+ size_t size;
+ u_char *fw;
+ uint8_t stat;
+ uint16_t addr;
+
+ if (sc->sc_flags & ZYD_FLAG_FWLOADED)
+ return (0);
+
+ if (sc->sc_macrev == ZYD_ZD1211) {
+ fw = (u_char *)zd1211_firmware;
+ size = sizeof(zd1211_firmware);
+ } else {
+ fw = (u_char *)zd1211b_firmware;
+ size = sizeof(zd1211b_firmware);
+ }
+
+ req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
+ req.bRequest = ZYD_DOWNLOADREQ;
+ USETW(req.wIndex, 0);
+
+ addr = ZYD_FIRMWARE_START_ADDR;
+ while (size > 0) {
+ /*
+ * When the transfer size is 4096 bytes, it is not
+ * likely to be able to transfer it.
+ * The cause is port or machine or chip?
+ */
+ const int mlen = min(size, 64);
+
+ DPRINTF(sc, ZYD_DEBUG_FW,
+ "loading firmware block: len=%d, addr=0x%x\n", mlen, addr);
+
+ USETW(req.wValue, addr);
+ USETW(req.wLength, mlen);
+ if (zyd_do_request(sc, &req, fw) != 0)
+ return (EIO);
+
+ addr += mlen / 2;
+ fw += mlen;
+ size -= mlen;
+ }
+
+ /* check whether the upload succeeded */
+ req.bmRequestType = UT_READ_VENDOR_DEVICE;
+ req.bRequest = ZYD_DOWNLOADSTS;
+ USETW(req.wValue, 0);
+ USETW(req.wIndex, 0);
+ USETW(req.wLength, sizeof(stat));
+ if (zyd_do_request(sc, &req, &stat) != 0)
+ return (EIO);
+
+ sc->sc_flags |= ZYD_FLAG_FWLOADED;
+
+ return (stat & 0x80) ? (EIO) : (0);
+}
+
+static void
+zyd_scan_start(struct ieee80211com *ic)
+{
+ struct zyd_softc *sc = ic->ic_softc;
+
+ ZYD_LOCK(sc);
+ /* want broadcast address while scanning */
+ zyd_set_bssid(sc, ieee80211broadcastaddr);
+ ZYD_UNLOCK(sc);
+}
+
+static void
+zyd_scan_end(struct ieee80211com *ic)
+{
+ struct zyd_softc *sc = ic->ic_softc;
+
+ ZYD_LOCK(sc);
+ /* restore previous bssid */
+ zyd_set_bssid(sc, sc->sc_bssid);
+ ZYD_UNLOCK(sc);
+}
+
+static void
+zyd_getradiocaps(struct ieee80211com *ic,
+ int maxchans, int *nchans, struct ieee80211_channel chans[])
+{
+ uint8_t bands[IEEE80211_MODE_BYTES];
+
+ memset(bands, 0, sizeof(bands));
+ setbit(bands, IEEE80211_MODE_11B);
+ setbit(bands, IEEE80211_MODE_11G);
+ ieee80211_add_channels_default_2ghz(chans, maxchans, nchans, bands, 0);
+}
+
+static void
+zyd_set_channel(struct ieee80211com *ic)
+{
+ struct zyd_softc *sc = ic->ic_softc;
+
+ ZYD_LOCK(sc);
+ zyd_set_chan(sc, ic->ic_curchan);
+ ZYD_UNLOCK(sc);
+}
+
+static device_method_t zyd_methods[] = {
+ /* Device interface */
+ DEVMETHOD(device_probe, zyd_match),
+ DEVMETHOD(device_attach, zyd_attach),
+ DEVMETHOD(device_detach, zyd_detach),
+ DEVMETHOD_END
+};
+
+static driver_t zyd_driver = {
+ .name = "zyd",
+ .methods = zyd_methods,
+ .size = sizeof(struct zyd_softc)
+};
+
+DRIVER_MODULE(zyd, uhub, zyd_driver, NULL, NULL);
+MODULE_DEPEND(zyd, usb, 1, 1, 1);
+MODULE_DEPEND(zyd, wlan, 1, 1, 1);
+MODULE_VERSION(zyd, 1);
+USB_PNP_HOST_INFO(zyd_devs);
generated by cgit v1.2.3 (git 2.25.1) at 2025-10-08 18:14:36 +0000