#include "bpfilter.h"
#include <sys/param.h>
#include <sys/sockio.h>
#include <sys/mbuf.h>
#include <sys/systm.h>
#include <sys/timeout.h>
#include <sys/device.h>
#include <sys/endian.h>
#include <machine/intr.h>
#if NBPFILTER > 0
#include <net/bpf.h>
#endif
#include <net/if.h>
#include <net/if_dl.h>
#include <net/if_media.h>
#include <netinet/in.h>
#include <netinet/if_ether.h>
#include <net80211/ieee80211_var.h>
#include <net80211/ieee80211_amrr.h>
#include <net80211/ieee80211_ra.h>
#include <net80211/ieee80211_radiotap.h>
#include <dev/usb/usb.h>
#include <dev/usb/usbdi.h>
#include <dev/usb/usbdi_util.h>
#include <dev/usb/usbdevs.h>
#include <dev/ic/mtwreg.h>
#include <dev/usb/if_mtwvar.h>
#ifdef MTW_DEBUG
#define DPRINTF(x) do { if (mtw_debug) printf x; } while (0)
#define DPRINTFN(n, x) do { if (mtw_debug >= (n)) printf x; } while (0)
int mtw_debug = 0;
#else
#define DPRINTF(x)
#define DPRINTFN(n, x)
#endif
#define USB_ID(v, p) { USB_VENDOR_##v, USB_PRODUCT_##v##_##p }
static const struct usb_devno mtw_devs[] = {
USB_ID(ASUS, USBN10V2),
USB_ID(AZUREWAVE, MT7601_1),
USB_ID(AZUREWAVE, MT7601_2),
USB_ID(DLINK, DWA127B1),
USB_ID(EDIMAX, EW7711UANV2),
USB_ID(MEDIATEK, MT7601_1),
USB_ID(MEDIATEK, MT7601_2),
USB_ID(RALINK, MT7601),
USB_ID(RALINK, MT7601_2),
USB_ID(RALINK, MT7601_3),
USB_ID(RALINK, MT7601_4),
USB_ID(RALINK, MT7601_5),
USB_ID(XIAOMI, MT7601U),
};
int mtw_match(struct device *, void *, void *);
void mtw_attach(struct device *, struct device *, void *);
int mtw_detach(struct device *, int);
void mtw_attachhook(struct device *);
int mtw_open_pipes(struct mtw_softc *);
void mtw_close_pipes(struct mtw_softc *);
int mtw_alloc_rx_ring(struct mtw_softc *, int);
void mtw_free_rx_ring(struct mtw_softc *, int);
int mtw_alloc_tx_ring(struct mtw_softc *, int);
void mtw_free_tx_ring(struct mtw_softc *, int);
int mtw_alloc_mcu_ring(struct mtw_softc *);
void mtw_free_mcu_ring(struct mtw_softc *);
int mtw_ucode_write(struct mtw_softc *, const uint8_t *,
uint32_t, uint32_t);
void mtw_ucode_setup(struct mtw_softc *);
int mtw_load_microcode(struct mtw_softc *);
int mtw_reset(struct mtw_softc *);
int mtw_read(struct mtw_softc *, uint16_t, uint32_t *);
int mtw_read_cfg(struct mtw_softc *, uint16_t, uint32_t *);
int mtw_read_region_1(struct mtw_softc *, uint16_t,
uint8_t *, int);
int mtw_write_2(struct mtw_softc *, uint16_t, uint16_t);
int mtw_write(struct mtw_softc *, uint16_t, uint32_t);
int mtw_write_cfg(struct mtw_softc *, uint16_t, uint32_t);
int mtw_write_ivb(struct mtw_softc *, const uint8_t *, uint16_t);
int mtw_write_region_1(struct mtw_softc *, uint16_t,
uint8_t *, int);
int mtw_set_region_4(struct mtw_softc *, uint16_t, uint32_t, int);
int mtw_efuse_read_2(struct mtw_softc *, uint16_t, uint16_t *);
int mtw_eeprom_read_2(struct mtw_softc *, uint16_t, uint16_t *);
int mtw_rf_read(struct mtw_softc *, uint8_t, uint8_t, uint8_t *);
int mtw_rf_write(struct mtw_softc *, uint8_t, uint8_t, uint8_t);
int mtw_bbp_read(struct mtw_softc *, uint8_t, uint8_t *);
int mtw_bbp_write(struct mtw_softc *, uint8_t, uint8_t);
int mtw_usb_dma_read(struct mtw_softc *, uint32_t *);
int mtw_usb_dma_write(struct mtw_softc *, uint32_t);
int mtw_mcu_calibrate(struct mtw_softc *, int, uint32_t);
int mtw_mcu_channel(struct mtw_softc *, uint32_t, uint32_t, uint32_t);
int mtw_mcu_radio(struct mtw_softc *, int, uint32_t);
int mtw_mcu_cmd(struct mtw_softc *, int, void *, int);
const char * mtw_get_rf(int);
void mtw_get_txpower(struct mtw_softc *);
int mtw_read_eeprom(struct mtw_softc *);
struct ieee80211_node *mtw_node_alloc(struct ieee80211com *);
int mtw_media_change(struct ifnet *);
void mtw_next_scan(void *);
void mtw_task(void *);
void mtw_do_async(struct mtw_softc *, void (*)(struct mtw_softc *,
void *), void *, int);
int mtw_newstate(struct ieee80211com *, enum ieee80211_state, int);
void mtw_newstate_cb(struct mtw_softc *, void *);
void mtw_updateedca(struct ieee80211com *);
void mtw_updateedca_cb(struct mtw_softc *, void *);
void mtw_updateslot(struct ieee80211com *);
void mtw_updateslot_cb(struct mtw_softc *, void *);
int mtw_set_key(struct ieee80211com *, struct ieee80211_node *,
struct ieee80211_key *);
void mtw_set_key_cb(struct mtw_softc *, void *);
void mtw_delete_key(struct ieee80211com *, struct ieee80211_node *,
struct ieee80211_key *);
void mtw_delete_key_cb(struct mtw_softc *, void *);
void mtw_calibrate_to(void *);
void mtw_calibrate_cb(struct mtw_softc *, void *);
void mtw_newassoc(struct ieee80211com *, struct ieee80211_node *,
int);
void mtw_rx_frame(struct mtw_softc *, uint8_t *, int,
struct mbuf_list *);
void mtw_rxeof(struct usbd_xfer *, void *, usbd_status);
void mtw_txeof(struct usbd_xfer *, void *, usbd_status);
int mtw_tx(struct mtw_softc *, struct mbuf *,
struct ieee80211_node *);
void mtw_start(struct ifnet *);
void mtw_watchdog(struct ifnet *);
int mtw_ioctl(struct ifnet *, u_long, caddr_t);
void mtw_select_chan_group(struct mtw_softc *, int);
void mt7601_set_agc(struct mtw_softc *, uint8_t);
void mt7601_set_chan(struct mtw_softc *, u_int);
int mtw_set_chan(struct mtw_softc *, struct ieee80211_channel *);
void mtw_enable_tsf_sync(struct mtw_softc *);
void mtw_abort_tsf_sync(struct mtw_softc *);
void mtw_enable_mrr(struct mtw_softc *);
void mtw_set_txrts(struct mtw_softc *);
void mtw_set_txpreamble(struct mtw_softc *);
void mtw_set_basicrates(struct mtw_softc *);
void mtw_set_leds(struct mtw_softc *, uint16_t);
void mtw_set_bssid(struct mtw_softc *, const uint8_t *);
void mtw_set_macaddr(struct mtw_softc *, const uint8_t *);
#if NBPFILTER > 0
int8_t mtw_rssi2dbm(struct mtw_softc *, uint8_t, uint8_t);
#endif
int mt7601_bbp_init(struct mtw_softc *);
int mt7601_rf_init(struct mtw_softc *);
int mt7601_rf_setup(struct mtw_softc *);
int mt7601_rf_temperature(struct mtw_softc *, int8_t *);
int mt7601_r49_read(struct mtw_softc *, uint8_t, int8_t *);
int mt7601_rxdc_cal(struct mtw_softc *);
int mtw_wlan_enable(struct mtw_softc *, int);
int mtw_txrx_enable(struct mtw_softc *);
int mtw_init(struct ifnet *);
void mtw_stop(struct ifnet *, int);
struct cfdriver mtw_cd = {
NULL, "mtw", DV_IFNET
};
const struct cfattach mtw_ca = {
sizeof (struct mtw_softc), mtw_match, mtw_attach, mtw_detach
};
static const struct {
uint32_t reg;
uint32_t val;
} mt7601_def_mac[] = {
MT7601_DEF_MAC
};
static const struct {
uint8_t reg;
uint8_t val;
} mt7601_def_bbp[] = {
MT7601_DEF_BBP
};
static const struct {
u_int chan;
uint8_t r17, r18, r19, r20;
} mt7601_rf_chan[] = {
MT7601_RF_CHAN
};
static const struct {
uint8_t reg;
uint8_t val;
} mt7601_rf_bank0[] = {
MT7601_BANK0_RF
},mt7601_rf_bank4[] = {
MT7601_BANK4_RF
},mt7601_rf_bank5[] = {
MT7601_BANK5_RF
};
int
mtw_match(struct device *parent, void *match, void *aux)
{
struct usb_attach_arg *uaa = aux;
if (uaa->iface == NULL || uaa->configno != 1)
return UMATCH_NONE;
return (usb_lookup(mtw_devs, uaa->vendor, uaa->product) != NULL) ?
UMATCH_VENDOR_PRODUCT_CONF_IFACE : UMATCH_NONE;
}
void
mtw_attach(struct device *parent, struct device *self, void *aux)
{
struct mtw_softc *sc = (struct mtw_softc *)self;
struct usb_attach_arg *uaa = aux;
usb_interface_descriptor_t *id;
usb_endpoint_descriptor_t *ed;
int i, error, nrx, ntx, ntries;
uint32_t ver;
sc->sc_udev = uaa->device;
sc->sc_iface = uaa->iface;
nrx = ntx = 0;
id = usbd_get_interface_descriptor(sc->sc_iface);
for (i = 0; i < id->bNumEndpoints; i++) {
ed = usbd_interface2endpoint_descriptor(sc->sc_iface, i);
if (ed == NULL || UE_GET_XFERTYPE(ed->bmAttributes) != UE_BULK)
continue;
if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN) {
sc->rxq[nrx].pipe_no = ed->bEndpointAddress;
nrx++;
} else if (ntx < 6) {
if (ntx == 0)
sc->txq[MTW_TXQ_MCU].pipe_no =
ed->bEndpointAddress;
else
sc->txq[ntx - 1].pipe_no =
ed->bEndpointAddress;
ntx++;
}
}
if (nrx < 2 || ntx < 6) {
printf("%s: missing endpoint\n", sc->sc_dev.dv_xname);
return;
}
for (ntries = 0; ntries < 100; ntries++) {
if ((error = mtw_read(sc, MTW_ASIC_VER, &ver)) != 0)
return;
if (ver != 0 && ver != 0xffffffff)
break;
DPRINTF(("%08x ", ver));
DELAY(10);
}
if (ntries == 100) {
printf("%s: timeout waiting for NIC to initialize\n",
sc->sc_dev.dv_xname);
return;
}
sc->asic_ver = ver >> 16;
sc->asic_rev = ver & 0xffff;
usb_init_task(&sc->sc_task, mtw_task, sc, USB_TASK_TYPE_GENERIC);
timeout_set(&sc->scan_to, mtw_next_scan, sc);
timeout_set(&sc->calib_to, mtw_calibrate_to, sc);
sc->amrr.amrr_min_success_threshold = 1;
sc->amrr.amrr_max_success_threshold = 10;
config_mountroot(self, mtw_attachhook);
}
int
mtw_detach(struct device *self, int flags)
{
struct mtw_softc *sc = (struct mtw_softc *)self;
struct ifnet *ifp = &sc->sc_ic.ic_if;
int qid, s;
s = splusb();
if (timeout_initialized(&sc->scan_to))
timeout_del(&sc->scan_to);
if (timeout_initialized(&sc->calib_to))
timeout_del(&sc->calib_to);
usb_rem_wait_task(sc->sc_udev, &sc->sc_task);
usbd_ref_wait(sc->sc_udev);
if (ifp->if_softc != NULL) {
ifp->if_flags &= ~IFF_RUNNING;
ifq_clr_oactive(&ifp->if_snd);
ieee80211_ifdetach(ifp);
if_detach(ifp);
}
mtw_free_mcu_ring(sc);
for (qid = 0; qid < MTW_TXQ_COUNT; qid++)
mtw_free_tx_ring(sc, qid);
mtw_free_rx_ring(sc, 0);
mtw_free_rx_ring(sc, 1);
mtw_close_pipes(sc);
splx(s);
return 0;
}
void
mtw_attachhook(struct device *self)
{
struct mtw_softc *sc = (struct mtw_softc *)self;
struct ieee80211com *ic = &sc->sc_ic;
struct ifnet *ifp = &ic->ic_if;
uint32_t tmp;
int ntries, error, i;
if (usbd_is_dying(sc->sc_udev))
return;
if ((error = mtw_open_pipes(sc)) != 0) {
printf("%s: could not open pipes\n",
sc->sc_dev.dv_xname);
return;
}
if ((error = mtw_wlan_enable(sc, 1)) != 0) {
printf("%s: could not enable WLAN core\n",
sc->sc_dev.dv_xname);
return;
}
if ((error = mtw_load_microcode(sc)) != 0) {
printf("%s: could not load microcode\n",
sc->sc_dev.dv_xname);
goto fail;
}
if ((error = mtw_alloc_mcu_ring(sc)) != 0)
goto fail;
if ((error = mtw_alloc_rx_ring(sc, 1)) != 0)
goto fail;
mtw_usb_dma_read(sc, &tmp);
mtw_usb_dma_write(sc, tmp | (MTW_USB_RX_EN | MTW_USB_TX_EN));
for (ntries = 0; ntries < 100; ntries++) {
if ((error = mtw_read(sc, MTW_MAC_VER_ID, &tmp)) != 0)
goto fail;
if (tmp != 0 && tmp != 0xffffffff)
break;
DELAY(10);
}
if (ntries == 100) {
printf("%s: failed reading MAC\n", sc->sc_dev.dv_xname);
goto fail;
}
sc->mac_ver = tmp >> 16;
sc->mac_rev = tmp & 0xffff;
mtw_read_eeprom(sc);
printf("%s: MAC/BBP MT%04X (rev 0x%04X), RF %s (MIMO %dT%dR), "
"address %s\n", sc->sc_dev.dv_xname, sc->mac_ver,
sc->mac_rev, mtw_get_rf(sc->rf_rev), sc->ntxchains,
sc->nrxchains, ether_sprintf(ic->ic_myaddr));
ic->ic_phytype = IEEE80211_T_OFDM;
ic->ic_opmode = IEEE80211_M_STA;
ic->ic_state = IEEE80211_S_INIT;
ic->ic_caps =
IEEE80211_C_MONITOR |
IEEE80211_C_SHPREAMBLE |
IEEE80211_C_SHSLOT |
IEEE80211_C_WEP |
IEEE80211_C_RSN;
ic->ic_sup_rates[IEEE80211_MODE_11B] = ieee80211_std_rateset_11b;
ic->ic_sup_rates[IEEE80211_MODE_11G] = ieee80211_std_rateset_11g;
for (i = 1; i <= 14; i++) {
ic->ic_channels[i].ic_freq =
ieee80211_ieee2mhz(i, IEEE80211_CHAN_2GHZ);
ic->ic_channels[i].ic_flags =
IEEE80211_CHAN_CCK | IEEE80211_CHAN_OFDM |
IEEE80211_CHAN_DYN | IEEE80211_CHAN_2GHZ;
}
ifp->if_softc = sc;
ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST;
ifp->if_ioctl = mtw_ioctl;
ifp->if_start = mtw_start;
ifp->if_watchdog = mtw_watchdog;
memcpy(ifp->if_xname, sc->sc_dev.dv_xname, IFNAMSIZ);
if_attach(ifp);
ieee80211_ifattach(ifp);
ic->ic_node_alloc = mtw_node_alloc;
ic->ic_newassoc = mtw_newassoc;
ic->ic_updateslot = mtw_updateslot;
ic->ic_updateedca = mtw_updateedca;
ic->ic_set_key = mtw_set_key;
ic->ic_delete_key = mtw_delete_key;
sc->sc_newstate = ic->ic_newstate;
ic->ic_newstate = mtw_newstate;
ieee80211_media_init(ifp, mtw_media_change, ieee80211_media_status);
#if NBPFILTER > 0
bpfattach(&sc->sc_drvbpf, ifp, DLT_IEEE802_11_RADIO,
sizeof (struct ieee80211_frame) + IEEE80211_RADIOTAP_HDRLEN);
sc->sc_rxtap_len = sizeof sc->sc_rxtapu;
sc->sc_rxtap.wr_ihdr.it_len = htole16(sc->sc_rxtap_len);
sc->sc_rxtap.wr_ihdr.it_present = htole32(MTW_RX_RADIOTAP_PRESENT);
sc->sc_txtap_len = sizeof sc->sc_txtapu;
sc->sc_txtap.wt_ihdr.it_len = htole16(sc->sc_txtap_len);
sc->sc_txtap.wt_ihdr.it_present = htole32(MTW_TX_RADIOTAP_PRESENT);
#endif
fail:
return;
}
int
mtw_open_pipes(struct mtw_softc *sc)
{
struct mtw_tx_ring *txq;
struct mtw_rx_ring *rxq;
int i, error;
for (i = 0; i < MTW_TXQ_COUNT; i++) {
txq = &sc->txq[i];
if ((error = usbd_open_pipe(sc->sc_iface, txq->pipe_no, 0,
&txq->pipeh)) != 0)
return error;
}
for (i = 0; i < MTW_RXQ_COUNT; i++) {
rxq = &sc->rxq[i];
if ((error = usbd_open_pipe(sc->sc_iface, rxq->pipe_no, 0,
&rxq->pipeh)) != 0)
return error;
}
return 0;
}
void
mtw_close_pipes(struct mtw_softc *sc)
{
struct mtw_tx_ring *txq;
struct mtw_rx_ring *rxq;
int i;
for (i = 0; i < MTW_TXQ_COUNT; i++) {
txq = &sc->txq[i];
usbd_close_pipe(txq->pipeh);
txq->pipeh = NULL;
}
for (i = 0; i < MTW_RXQ_COUNT; i++) {
rxq = &sc->rxq[i];
usbd_close_pipe(rxq->pipeh);
rxq->pipeh = NULL;
}
}
int
mtw_alloc_rx_ring(struct mtw_softc *sc, int qid)
{
struct mtw_rx_ring *rxq = &sc->rxq[qid];
int i, error = 0;
for (i = 0; i < MTW_RX_RING_COUNT; i++) {
struct mtw_rx_data *data = &rxq->data[i];
data->sc = sc;
data->xfer = usbd_alloc_xfer(sc->sc_udev);
if (data->xfer == NULL) {
error = ENOMEM;
goto fail;
}
data->buf = usbd_alloc_buffer(data->xfer, MTW_MAX_RXSZ);
if (data->buf == NULL) {
error = ENOMEM;
goto fail;
}
}
if (error != 0)
fail: mtw_free_rx_ring(sc, 0);
return error;
}
void
mtw_free_rx_ring(struct mtw_softc *sc, int qid)
{
struct mtw_rx_ring *rxq = &sc->rxq[qid];
int i;
usbd_abort_pipe(rxq->pipeh);
for (i = 0; i < MTW_RX_RING_COUNT; i++) {
if (rxq->data[i].xfer != NULL)
usbd_free_xfer(rxq->data[i].xfer);
rxq->data[i].xfer = NULL;
}
}
int
mtw_alloc_tx_ring(struct mtw_softc *sc, int qid)
{
struct mtw_tx_ring *txq = &sc->txq[qid];
int i, error = 0;
uint16_t txwisize;
txwisize = sizeof(struct mtw_txwi);
txq->cur = txq->queued = 0;
for (i = 0; i < MTW_TX_RING_COUNT; i++) {
struct mtw_tx_data *data = &txq->data[i];
data->sc = sc;
data->qid = qid;
data->xfer = usbd_alloc_xfer(sc->sc_udev);
if (data->xfer == NULL) {
error = ENOMEM;
goto fail;
}
data->buf = usbd_alloc_buffer(data->xfer, MTW_MAX_TXSZ);
if (data->buf == NULL) {
error = ENOMEM;
goto fail;
}
memset(data->buf, 0, MTW_MAX_TXSZ);
}
if (error != 0)
fail: mtw_free_tx_ring(sc, qid);
return error;
}
void
mtw_free_tx_ring(struct mtw_softc *sc, int qid)
{
struct mtw_tx_ring *txq = &sc->txq[qid];
int i;
usbd_abort_pipe(txq->pipeh);
for (i = 0; i < MTW_TX_RING_COUNT; i++) {
if (txq->data[i].xfer != NULL)
usbd_free_xfer(txq->data[i].xfer);
txq->data[i].xfer = NULL;
}
}
int
mtw_alloc_mcu_ring(struct mtw_softc *sc)
{
struct mtw_tx_ring *ring = &sc->sc_mcu;
struct mtw_tx_data *data = &ring->data[0];
int error = 0;
ring->cur = ring->queued = 0;
data->sc = sc;
data->qid = 5;
data->xfer = usbd_alloc_xfer(sc->sc_udev);
if (data->xfer == NULL) {
error = ENOMEM;
goto fail;
}
data->buf = usbd_alloc_buffer(data->xfer, MTW_MAX_TXSZ);
if (data->buf == NULL) {
error = ENOMEM;
goto fail;
}
memset(data->buf, 0, 4);
if (error != 0)
fail: mtw_free_mcu_ring(sc);
return error;
}
void
mtw_free_mcu_ring(struct mtw_softc *sc)
{
struct mtw_tx_ring *txq = &sc->sc_mcu;
if (txq->data[0].xfer != NULL)
usbd_free_xfer(txq->data[0].xfer);
txq->data[0].xfer = NULL;
}
int
mtw_ucode_write(struct mtw_softc *sc, const uint8_t *fw, uint32_t len,
uint32_t offset)
{
struct mtw_tx_ring *ring = &sc->txq[MTW_TXQ_MCU];
struct usbd_xfer *xfer;
struct mtw_txd *txd;
uint8_t *buf;
uint32_t blksz, sent, tmp, xferlen;
int error;
blksz = 0x2000;
if (sc->asic_ver == 0x7612 && offset >= 0x90000)
blksz = 0x800;
xfer = usbd_alloc_xfer(sc->sc_udev);
if (xfer == NULL) {
error = ENOMEM;
goto fail;
}
buf = usbd_alloc_buffer(xfer, blksz + 12);
if (buf == NULL) {
error = ENOMEM;
goto fail;
}
sent = 0;
for (;;) {
xferlen = min(len - sent, blksz);
if (xferlen == 0)
break;
txd = (struct mtw_txd *)buf;
txd->len = htole16(xferlen);
txd->flags = htole16(MTW_TXD_DATA | MTW_TXD_MCU);
memcpy(buf + sizeof(struct mtw_txd), fw + sent, xferlen);
memset(buf + sizeof(struct mtw_txd) + xferlen, 0, MTW_DMA_PAD);
mtw_write_cfg(sc, MTW_MCU_DMA_ADDR, offset + sent);
mtw_write_cfg(sc, MTW_MCU_DMA_LEN, (xferlen << 16));
usbd_setup_xfer(xfer, ring->pipeh, NULL, buf,
xferlen + sizeof(struct mtw_txd) + MTW_DMA_PAD,
USBD_SHORT_XFER_OK | USBD_SYNCHRONOUS | USBD_NO_COPY,
MTW_TX_TIMEOUT, NULL);
if ((error = usbd_transfer(xfer)) != 0)
break;
mtw_read(sc, MTW_MCU_FW_IDX, &tmp);
mtw_write(sc, MTW_MCU_FW_IDX, tmp++);
sent += xferlen;
}
fail:
if (xfer != NULL) {
usbd_free_xfer(xfer);
xfer = NULL;
}
return error;
}
void
mtw_ucode_setup(struct mtw_softc *sc)
{
mtw_usb_dma_write(sc, (MTW_USB_TX_EN | MTW_USB_RX_EN));
mtw_write(sc, MTW_FCE_PSE_CTRL, 1);
mtw_write(sc, MTW_TX_CPU_FCE_BASE, 0x400230);
mtw_write(sc, MTW_TX_CPU_FCE_MAX_COUNT, 1);
mtw_write(sc, MTW_MCU_FW_IDX, 1);
mtw_write(sc, MTW_FCE_PDMA, 0x44);
mtw_write(sc, MTW_FCE_SKIP_FS, 3);
}
int
mtw_load_microcode(struct mtw_softc *sc)
{
const struct mtw_ucode_hdr *hdr;
const struct mtw_ucode *fw;
const char *fwname;
u_char *ucode;
size_t size;
uint32_t tmp, iofs, dofs;
int ntries, error;
int dlen, ilen;
mtw_read_cfg(sc, MTW_MCU_DMA_ADDR, &tmp);
if (tmp == MTW_MCU_READY)
return 0;
if (sc->asic_ver == 0x7612) {
fwname = "mtw-mt7662u_rom_patch";
if ((error = loadfirmware(fwname, &ucode, &size)) != 0) {
printf("%s: failed loadfirmware of file %s (error %d)\n",
sc->sc_dev.dv_xname, fwname, error);
return error;
}
fw = (const struct mtw_ucode *) ucode + 0x1e;
ilen = size - 0x1e;
mtw_ucode_setup(sc);
if ((error = mtw_ucode_write(sc, fw->data, ilen, 0x90000)) != 0)
goto fail;
mtw_usb_dma_write(sc, 0x00e41814);
free(ucode, M_DEVBUF, size);
}
fwname = "mtw-mt7601u";
iofs = 0x40;
dofs = 0;
if (sc->asic_ver == 0x7612) {
fwname = "mtw-mt7662u";
iofs = 0x80040;
dofs = 0x110800;
} else if (sc->asic_ver == 0x7610) {
fwname = "mtw-mt7610u";
dofs = 0x80000;
}
if ((error = loadfirmware(fwname, &ucode, &size)) != 0) {
printf("%s: failed loadfirmware of file %s (error %d)\n",
sc->sc_dev.dv_xname, fwname, error);
return error;
}
if (size < sizeof(struct mtw_ucode_hdr)) {
printf("%s: firmware header too short\n",
sc->sc_dev.dv_xname);
goto fail;
}
fw = (const struct mtw_ucode *) ucode;
hdr = (const struct mtw_ucode_hdr *) &fw->hdr;
if (size < sizeof(struct mtw_ucode_hdr) + letoh32(hdr->ilm_len) +
letoh32(hdr->dlm_len)) {
printf("%s: firmware payload too short\n",
sc->sc_dev.dv_xname);
goto fail;
}
ilen = le32toh(hdr->ilm_len) - MTW_MCU_IVB_LEN;
dlen = le32toh(hdr->dlm_len);
if (ilen > size || dlen > size) {
printf("%s: firmware payload too large\n",
sc->sc_dev.dv_xname);
goto fail;
}
mtw_write(sc, MTW_FCE_PDMA, 0);
mtw_write(sc, MTW_FCE_PSE_CTRL, 0);
mtw_ucode_setup(sc);
if ((error = mtw_ucode_write(sc, fw->data, ilen, iofs)) != 0)
goto fail;
if (dlen > 0 && dofs > 0) {
if ((error = mtw_ucode_write(sc, fw->data + ilen,
dlen, dofs)) != 0)
goto fail;
}
if (sc->asic_ver == 0x7612) {
if ((error = mtw_ucode_write(sc, fw->ivb,
MTW_MCU_IVB_LEN, 0x80000)) != 0)
goto fail;
mtw_write_cfg(sc, MTW_MCU_DMA_ADDR, 0x00095000);
mtw_write_ivb(sc, NULL, 0);
} else {
if ((error = mtw_write_ivb(sc, fw->ivb,
MTW_MCU_IVB_LEN)) != 0)
goto fail;
}
usbd_delay_ms(sc->sc_udev, 10);
for (ntries = 0; ntries < 100; ntries++) {
if ((error = mtw_read_cfg(sc, MTW_MCU_DMA_ADDR, &tmp)) != 0)
return error;
if (tmp & MTW_MCU_READY)
break;
usbd_delay_ms(sc->sc_udev, 100);
}
if (ntries == 100) {
printf("%s: timeout waiting for MCU to initialize\n",
sc->sc_dev.dv_xname);
error = ETIMEDOUT;
}
DPRINTF(("%s: loaded firmware ver %d.%d\n", sc->sc_dev.dv_xname,
le16toh(hdr->build_ver), le16toh(hdr->fw_ver)));
fail:
free(ucode, M_DEVBUF, size);
return error;
}
int
mtw_reset(struct mtw_softc *sc)
{
usb_device_request_t req;
req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
req.bRequest = MTW_RESET;
USETW(req.wValue, 1);
USETW(req.wIndex, 0);
USETW(req.wLength, 0);
return usbd_do_request(sc->sc_udev, &req, NULL);
}
int
mtw_read(struct mtw_softc *sc, uint16_t reg, uint32_t *val)
{
uint32_t tmp;
int error;
error = mtw_read_region_1(sc, reg,
(uint8_t *)&tmp, sizeof tmp);
if (error == 0)
*val = letoh32(tmp);
else
*val = 0xffffffff;
return error;
}
int
mtw_read_cfg(struct mtw_softc *sc, uint16_t reg, uint32_t *val)
{
usb_device_request_t req;
uint32_t tmp;
int error;
req.bmRequestType = UT_READ_VENDOR_DEVICE;
req.bRequest = MTW_READ_CFG;
USETW(req.wValue, 0);
USETW(req.wIndex, reg);
USETW(req.wLength, 4);
error = usbd_do_request(sc->sc_udev, &req, &tmp);
if (error == 0)
*val = letoh32(tmp);
else
*val = 0xffffffff;
return error;
}
int
mtw_read_region_1(struct mtw_softc *sc, uint16_t reg,
uint8_t *buf, int len)
{
usb_device_request_t req;
req.bmRequestType = UT_READ_VENDOR_DEVICE;
req.bRequest = MTW_READ_REGION_1;
USETW(req.wValue, 0);
USETW(req.wIndex, reg);
USETW(req.wLength, len);
return usbd_do_request(sc->sc_udev, &req, buf);
}
int
mtw_write_2(struct mtw_softc *sc, uint16_t reg, uint16_t val)
{
usb_device_request_t req;
req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
req.bRequest = MTW_WRITE_2;
USETW(req.wValue, val);
USETW(req.wIndex, reg);
USETW(req.wLength, 0);
return usbd_do_request(sc->sc_udev, &req, NULL);
}
int
mtw_write(struct mtw_softc *sc, uint16_t reg, uint32_t val)
{
int error;
if ((error = mtw_write_2(sc, reg, val & 0xffff)) == 0)
error = mtw_write_2(sc, reg + 2, val >> 16);
return error;
}
int
mtw_write_cfg(struct mtw_softc *sc, uint16_t reg, uint32_t val)
{
usb_device_request_t req;
int error;
req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
req.bRequest = MTW_WRITE_CFG;
USETW(req.wValue, 0);
USETW(req.wIndex, reg);
USETW(req.wLength, 4);
val = htole32(val);
error = usbd_do_request(sc->sc_udev, &req, &val);
return error;
}
int
mtw_write_ivb(struct mtw_softc *sc, const uint8_t *buf, uint16_t len)
{
usb_device_request_t req;
req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
req.bRequest = MTW_RESET;
USETW(req.wValue, 0x12);
USETW(req.wIndex, 0);
USETW(req.wLength, len);
return usbd_do_request(sc->sc_udev, &req, (void *)buf);
}
int
mtw_write_region_1(struct mtw_softc *sc, uint16_t reg,
uint8_t *buf, int len)
{
usb_device_request_t req;
req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
req.bRequest = MTW_WRITE_REGION_1;
USETW(req.wValue, 0);
USETW(req.wIndex, reg);
USETW(req.wLength, len);
return usbd_do_request(sc->sc_udev, &req, buf);
}
int
mtw_set_region_4(struct mtw_softc *sc, uint16_t reg, uint32_t val, int count)
{
int error = 0;
for (; count > 0 && error == 0; count--, reg += 4)
error = mtw_write(sc, reg, val);
return error;
}
int
mtw_efuse_read_2(struct mtw_softc *sc, uint16_t addr, uint16_t *val)
{
uint32_t tmp;
uint16_t reg;
int error, ntries;
if ((error = mtw_read(sc, MTW_EFUSE_CTRL, &tmp)) != 0)
return error;
addr *= 2;
tmp &= ~(MTW_EFSROM_MODE_MASK | MTW_EFSROM_AIN_MASK);
tmp |= (addr & ~0xf) << MTW_EFSROM_AIN_SHIFT | MTW_EFSROM_KICK;
mtw_write(sc, MTW_EFUSE_CTRL, tmp);
for (ntries = 0; ntries < 100; ntries++) {
if ((error = mtw_read(sc, MTW_EFUSE_CTRL, &tmp)) != 0)
return error;
if (!(tmp & MTW_EFSROM_KICK))
break;
DELAY(2);
}
if (ntries == 100)
return ETIMEDOUT;
if ((tmp & MTW_EFUSE_AOUT_MASK) == MTW_EFUSE_AOUT_MASK) {
*val = 0xffff;
return 0;
}
reg = MTW_EFUSE_DATA0 + (addr & 0xc);
if ((error = mtw_read(sc, reg, &tmp)) != 0)
return error;
*val = (addr & 2) ? tmp >> 16 : tmp & 0xffff;
return 0;
}
int
mtw_eeprom_read_2(struct mtw_softc *sc, uint16_t addr, uint16_t *val)
{
usb_device_request_t req;
uint16_t tmp;
int error;
addr *= 2;
req.bmRequestType = UT_READ_VENDOR_DEVICE;
req.bRequest = MTW_EEPROM_READ;
USETW(req.wValue, 0);
USETW(req.wIndex, addr);
USETW(req.wLength, sizeof tmp);
error = usbd_do_request(sc->sc_udev, &req, &tmp);
if (error == 0)
*val = letoh16(tmp);
else
*val = 0xffff;
return error;
}
static __inline int
mtw_srom_read(struct mtw_softc *sc, uint16_t addr, uint16_t *val)
{
return sc->sc_srom_read(sc, addr, val);
}
int
mtw_rf_read(struct mtw_softc *sc, uint8_t bank, uint8_t reg, uint8_t *val)
{
uint32_t tmp;
int error, ntries, shift;
for (ntries = 0; ntries < 100; ntries++) {
if ((error = mtw_read(sc, MTW_RF_CSR, &tmp)) != 0)
return error;
if (!(tmp & MTW_RF_CSR_KICK))
break;
}
if (ntries == 100)
return ETIMEDOUT;
if (sc->mac_ver == 0x7601)
shift = MT7601_BANK_SHIFT;
else
shift = MT7610_BANK_SHIFT;
tmp = MTW_RF_CSR_KICK | (bank & 0xf) << shift | reg << 8;
if ((error = mtw_write(sc, MTW_RF_CSR, tmp)) != 0)
return error;
for (ntries = 0; ntries < 100; ntries++) {
if ((error = mtw_read(sc, MTW_RF_CSR, &tmp)) != 0)
return error;
if (!(tmp & MTW_RF_CSR_KICK))
break;
}
if (ntries == 100)
return ETIMEDOUT;
*val = tmp & 0xff;
return 0;
}
int
mtw_rf_write(struct mtw_softc *sc, uint8_t bank, uint8_t reg, uint8_t val)
{
uint32_t tmp;
int error, ntries, shift;
for (ntries = 0; ntries < 10; ntries++) {
if ((error = mtw_read(sc, MTW_RF_CSR, &tmp)) != 0)
return error;
if (!(tmp & MTW_RF_CSR_KICK))
break;
}
if (ntries == 10)
return ETIMEDOUT;
if (sc->mac_ver == 0x7601)
shift = MT7601_BANK_SHIFT;
else
shift = MT7610_BANK_SHIFT;
tmp = MTW_RF_CSR_WRITE | MTW_RF_CSR_KICK | (bank & 0xf) << shift |
reg << 8 | val;
return mtw_write(sc, MTW_RF_CSR, tmp);
}
int
mtw_bbp_read(struct mtw_softc *sc, uint8_t reg, uint8_t *val)
{
uint32_t tmp;
int ntries, error;
for (ntries = 0; ntries < 10; ntries++) {
if ((error = mtw_read(sc, MTW_BBP_CSR, &tmp)) != 0)
return error;
if (!(tmp & MTW_BBP_CSR_KICK))
break;
}
if (ntries == 10)
return ETIMEDOUT;
tmp = MTW_BBP_CSR_READ | MTW_BBP_CSR_KICK | reg << MTW_BBP_ADDR_SHIFT;
if ((error = mtw_write(sc, MTW_BBP_CSR, tmp)) != 0)
return error;
for (ntries = 0; ntries < 10; ntries++) {
if ((error = mtw_read(sc, MTW_BBP_CSR, &tmp)) != 0)
return error;
if (!(tmp & MTW_BBP_CSR_KICK))
break;
}
if (ntries == 10)
return ETIMEDOUT;
*val = tmp & 0xff;
return 0;
}
int
mtw_bbp_write(struct mtw_softc *sc, uint8_t reg, uint8_t val)
{
uint32_t tmp;
int ntries, error;
for (ntries = 0; ntries < 10; ntries++) {
if ((error = mtw_read(sc, MTW_BBP_CSR, &tmp)) != 0)
return error;
if (!(tmp & MTW_BBP_CSR_KICK))
break;
}
if (ntries == 10)
return ETIMEDOUT;
tmp = MTW_BBP_CSR_KICK | reg << MTW_BBP_ADDR_SHIFT | val;
return mtw_write(sc, MTW_BBP_CSR, tmp);
}
int
mtw_usb_dma_read(struct mtw_softc *sc, uint32_t *val)
{
if (sc->asic_ver == 0x7612)
return mtw_read_cfg(sc, MTW_USB_U3DMA_CFG, val);
else
return mtw_read(sc, MTW_USB_DMA_CFG, val);
}
int
mtw_usb_dma_write(struct mtw_softc *sc, uint32_t val)
{
if (sc->asic_ver == 0x7612)
return mtw_write_cfg(sc, MTW_USB_U3DMA_CFG, val);
else
return mtw_write(sc, MTW_USB_DMA_CFG, val);
}
int
mtw_mcu_calibrate(struct mtw_softc *sc, int func, uint32_t val)
{
struct mtw_mcu_cmd_8 cmd;
cmd.func = htole32(func);
cmd.val = htole32(val);
return mtw_mcu_cmd(sc, 31, &cmd, sizeof(struct mtw_mcu_cmd_8));
}
int
mtw_mcu_channel(struct mtw_softc *sc, uint32_t r1, uint32_t r2, uint32_t r4)
{
struct mtw_mcu_cmd_16 cmd;
cmd.r1 = htole32(r1);
cmd.r2 = htole32(r2);
cmd.r3 = 0;
cmd.r4 = htole32(r4);
return mtw_mcu_cmd(sc, 30, &cmd, sizeof(struct mtw_mcu_cmd_16));
}
int
mtw_mcu_radio(struct mtw_softc *sc, int func, uint32_t val)
{
struct mtw_mcu_cmd_16 cmd;
cmd.r1 = htole32(func);
cmd.r2 = htole32(val);
cmd.r3 = 0;
cmd.r4 = 0;
return mtw_mcu_cmd(sc, 20, &cmd, sizeof(struct mtw_mcu_cmd_16));
}
int
mtw_mcu_cmd(struct mtw_softc *sc, int cmd, void *buf, int len)
{
struct mtw_tx_ring *ring = &sc->sc_mcu;
struct mtw_tx_data *data = &ring->data[0];
struct mtw_txd *txd;
int xferlen;
txd = (struct mtw_txd *)(data->buf);
txd->len = htole16(len);
txd->flags = htole16(MTW_TXD_CMD | MTW_TXD_MCU |
(cmd & 0x7f) << MTW_TXD_CMD_SHIFT | (sc->cmd_seq & 0xf));
memcpy(&txd[1], buf, len);
memset(&txd[1] + len, 0, MTW_DMA_PAD);
xferlen = len + sizeof(struct mtw_txd) + MTW_DMA_PAD;
usbd_setup_xfer(data->xfer, sc->txq[MTW_TXQ_MCU].pipeh,
NULL, data->buf, xferlen,
USBD_SHORT_XFER_OK | USBD_FORCE_SHORT_XFER | USBD_SYNCHRONOUS,
MTW_TX_TIMEOUT, NULL);
return usbd_transfer(data->xfer);
}
static __inline uint32_t
b4inc(uint32_t b32, int8_t delta)
{
int8_t i, b4;
for (i = 0; i < 8; i++) {
b4 = b32 & 0xf;
b4 += delta;
if (b4 < 0)
b4 = 0;
else if (b4 > 0xf)
b4 = 0xf;
b32 = b32 >> 4 | b4 << 28;
}
return b32;
}
const char *
mtw_get_rf(int rev)
{
switch (rev) {
case MT7601_RF_7601: return "MT7601";
case MT7610_RF_7610: return "MT7610";
case MT7612_RF_7612: return "MT7612";
}
return "unknown";
}
void
mtw_get_txpower(struct mtw_softc *sc)
{
uint16_t val;
int i;
for (i = 0; i < 14; i += 2) {
mtw_srom_read(sc, MTW_EEPROM_PWR2GHZ_BASE1 + i / 2, &val);
sc->txpow1[i + 0] = (int8_t)(val & 0xff);
sc->txpow1[i + 1] = (int8_t)(val >> 8);
mtw_srom_read(sc, MTW_EEPROM_PWR2GHZ_BASE2 + i / 2, &val);
sc->txpow2[i + 0] = (int8_t)(val & 0xff);
sc->txpow2[i + 1] = (int8_t)(val >> 8);
}
for (i = 0; i < 14; i++) {
if (sc->txpow1[i] < 0 || sc->txpow1[i] > 27)
sc->txpow1[i] = 5;
if (sc->txpow2[i] < 0 || sc->txpow2[i] > 27)
sc->txpow2[i] = 5;
DPRINTF(("chan %d: power1=%d, power2=%d\n",
mt7601_rf_chan[i].chan, sc->txpow1[i], sc->txpow2[i]));
}
#if 0
for (i = 0; i < 40; i += 2) {
mtw_srom_read(sc, MTW_EEPROM_PWR5GHZ_BASE1 + i / 2, &val);
sc->txpow1[i + 14] = (int8_t)(val & 0xff);
sc->txpow1[i + 15] = (int8_t)(val >> 8);
mtw_srom_read(sc, MTW_EEPROM_PWR5GHZ_BASE2 + i / 2, &val);
sc->txpow2[i + 14] = (int8_t)(val & 0xff);
sc->txpow2[i + 15] = (int8_t)(val >> 8);
}
for (i = 0; i < 40; i++ ) {
if (sc->mac_ver != 0x5592) {
if (sc->txpow1[14 + i] < -7 || sc->txpow1[14 + i] > 15)
sc->txpow1[14 + i] = 5;
if (sc->txpow2[14 + i] < -7 || sc->txpow2[14 + i] > 15)
sc->txpow2[14 + i] = 5;
}
DPRINTF(("chan %d: power1=%d, power2=%d\n",
mt7601_rf_chan[14 + i].chan, sc->txpow1[14 + i],
sc->txpow2[14 + i]));
}
#endif
}
int
mtw_read_eeprom(struct mtw_softc *sc)
{
struct ieee80211com *ic = &sc->sc_ic;
int8_t delta_2ghz, delta_5ghz;
uint16_t val;
int ridx, ant;
sc->sc_srom_read = mtw_efuse_read_2;
mtw_srom_read(sc, MTW_EEPROM_CHIPID, &val);
sc->rf_rev = val;
mtw_srom_read(sc, MTW_EEPROM_ANTENNA, &val);
sc->ntxchains = (val >> 4) & 0xf;
sc->nrxchains = val & 0xf;
DPRINTF(("EEPROM RF rev=0x%02x chains=%dT%dR\n",
sc->rf_rev, sc->ntxchains, sc->nrxchains));
mtw_srom_read(sc, MTW_EEPROM_VERSION, &val);
DPRINTF(("EEPROM rev=%d, FAE=%d\n", val & 0xff, val >> 8));
mtw_srom_read(sc, MTW_EEPROM_MAC01, &val);
ic->ic_myaddr[0] = val & 0xff;
ic->ic_myaddr[1] = val >> 8;
mtw_srom_read(sc, MTW_EEPROM_MAC23, &val);
ic->ic_myaddr[2] = val & 0xff;
ic->ic_myaddr[3] = val >> 8;
mtw_srom_read(sc, MTW_EEPROM_MAC45, &val);
ic->ic_myaddr[4] = val & 0xff;
ic->ic_myaddr[5] = val >> 8;
#if 0
printf("eFUSE ROM\n00: ");
for (int i = 0; i < 256; i++) {
if (((i % 8) == 0) && i > 0)
printf("\n%02x: ", i);
mtw_srom_read(sc, i, &val);
printf(" %04x", val);
}
printf("\n");
#endif
mtw_srom_read(sc, MTW_EEPROM_CONFIG, &val);
DPRINTF(("EEPROM CFG 0x%04x\n", val));
if ((val & 0xff) != 0xff) {
sc->ext_5ghz_lna = (val >> 3) & 1;
sc->ext_2ghz_lna = (val >> 2) & 1;
sc->calib_2ghz = sc->calib_5ghz = (val >> 1) & 1;
sc->rfswitch = val & 1;
}
mtw_srom_read(sc, MTW_EEPROM_FREQ_OFFSET, &val);
if ((val & 0xff) != 0xff)
sc->rf_freq_offset = val;
else
sc->rf_freq_offset = 0;
DPRINTF(("frequency offset 0x%x\n", sc->rf_freq_offset));
mtw_get_txpower(sc);
mtw_srom_read(sc, MTW_EEPROM_DELTAPWR, &val);
delta_2ghz = delta_5ghz = 0;
if ((val & 0xff) != 0xff && (val & 0x80)) {
delta_2ghz = val & 0xf;
if (!(val & 0x40))
delta_2ghz = -delta_2ghz;
}
val >>= 8;
if ((val & 0xff) != 0xff && (val & 0x80)) {
delta_5ghz = val & 0xf;
if (!(val & 0x40))
delta_5ghz = -delta_5ghz;
}
DPRINTF(("power compensation=%d (2GHz), %d (5GHz)\n",
delta_2ghz, delta_5ghz));
for (ridx = 0; ridx < 5; ridx++) {
uint32_t reg;
mtw_srom_read(sc, MTW_EEPROM_RPWR + ridx * 2, &val);
reg = val;
mtw_srom_read(sc, MTW_EEPROM_RPWR + ridx * 2 + 1, &val);
reg |= (uint32_t)val << 16;
sc->txpow20mhz[ridx] = reg;
sc->txpow40mhz_2ghz[ridx] = b4inc(reg, delta_2ghz);
sc->txpow40mhz_5ghz[ridx] = b4inc(reg, delta_5ghz);
DPRINTF(("ridx %d: power 20MHz=0x%08x, 40MHz/2GHz=0x%08x, "
"40MHz/5GHz=0x%08x\n", ridx, sc->txpow20mhz[ridx],
sc->txpow40mhz_2ghz[ridx], sc->txpow40mhz_5ghz[ridx]));
}
val = 0;
mtw_srom_read(sc, MTW_EEPROM_RSSI1_2GHZ, &val);
sc->rssi_2ghz[0] = val & 0xff;
sc->rssi_2ghz[1] = val >> 8;
mtw_srom_read(sc, MTW_EEPROM_RSSI2_2GHZ, &val);
if ((val & 0xff) != 0xff)
sc->txmixgain_2ghz = val & 0x7;
DPRINTF(("tx mixer gain=%u (2GHz)\n", sc->txmixgain_2ghz));
sc->lna[2] = val >> 8;
mtw_srom_read(sc, MTW_EEPROM_RSSI1_5GHZ, &val);
sc->rssi_5ghz[0] = val & 0xff;
sc->rssi_5ghz[1] = val >> 8;
mtw_srom_read(sc, MTW_EEPROM_RSSI2_5GHZ, &val);
sc->rssi_5ghz[2] = val & 0xff;
sc->lna[3] = val >> 8;
mtw_srom_read(sc, MTW_EEPROM_LNA, &val);
sc->lna[0] = val & 0xff;
sc->lna[1] = val >> 8;
DPRINTF(("LNA0 0x%x\n", sc->lna[0]));
if (sc->lna[2] == 0 || sc->lna[2] == 0xff) {
DPRINTF(("invalid LNA for channel group %d\n", 2));
sc->lna[2] = sc->lna[1];
}
if (sc->lna[3] == 0 || sc->lna[3] == 0xff) {
DPRINTF(("invalid LNA for channel group %d\n", 3));
sc->lna[3] = sc->lna[1];
}
for (ant = 0; ant < 3; ant++) {
if (sc->rssi_2ghz[ant] < -10 || sc->rssi_2ghz[ant] > 10) {
DPRINTF(("invalid RSSI%d offset: %d (2GHz)\n",
ant + 1, sc->rssi_2ghz[ant]));
sc->rssi_2ghz[ant] = 0;
}
if (sc->rssi_5ghz[ant] < -10 || sc->rssi_5ghz[ant] > 10) {
DPRINTF(("invalid RSSI%d offset: %d (5GHz)\n",
ant + 1, sc->rssi_5ghz[ant]));
sc->rssi_5ghz[ant] = 0;
}
}
return 0;
}
struct ieee80211_node *
mtw_node_alloc(struct ieee80211com *ic)
{
struct mtw_node *mn;
mn = malloc(sizeof (struct mtw_node), M_USBDEV, M_NOWAIT | M_ZERO);
return (struct ieee80211_node *)mn;
}
int
mtw_media_change(struct ifnet *ifp)
{
struct mtw_softc *sc = ifp->if_softc;
struct ieee80211com *ic = &sc->sc_ic;
uint8_t rate, ridx;
int error;
error = ieee80211_media_change(ifp);
if (error != ENETRESET)
return error;
if (ic->ic_fixed_rate != -1) {
rate = ic->ic_sup_rates[ic->ic_curmode].
rs_rates[ic->ic_fixed_rate] & IEEE80211_RATE_VAL;
for (ridx = 0; ridx <= MTW_RIDX_MAX; ridx++)
if (rt2860_rates[ridx].rate == rate)
break;
sc->fixed_ridx = ridx;
}
if ((ifp->if_flags & (IFF_UP | IFF_RUNNING)) ==
(IFF_UP | IFF_RUNNING)) {
mtw_stop(ifp, 0);
error = mtw_init(ifp);
}
return error;
}
void
mtw_next_scan(void *arg)
{
struct mtw_softc *sc = arg;
int s;
if (usbd_is_dying(sc->sc_udev))
return;
usbd_ref_incr(sc->sc_udev);
s = splnet();
if (sc->sc_ic.ic_state == IEEE80211_S_SCAN)
ieee80211_next_scan(&sc->sc_ic.ic_if);
splx(s);
usbd_ref_decr(sc->sc_udev);
}
void
mtw_task(void *arg)
{
struct mtw_softc *sc = arg;
struct mtw_host_cmd_ring *ring = &sc->cmdq;
struct mtw_host_cmd *cmd;
int s;
if (usbd_is_dying(sc->sc_udev))
return;
s = splusb();
while (ring->next != ring->cur) {
cmd = &ring->cmd[ring->next];
splx(s);
cmd->cb(sc, cmd->data);
s = splusb();
ring->queued--;
ring->next = (ring->next + 1) % MTW_HOST_CMD_RING_COUNT;
}
splx(s);
}
void
mtw_do_async(struct mtw_softc *sc, void (*cb)(struct mtw_softc *, void *),
void *arg, int len)
{
struct mtw_host_cmd_ring *ring = &sc->cmdq;
struct mtw_host_cmd *cmd;
int s;
if (usbd_is_dying(sc->sc_udev))
return;
s = splusb();
cmd = &ring->cmd[ring->cur];
cmd->cb = cb;
KASSERT(len <= sizeof (cmd->data));
memcpy(cmd->data, arg, len);
ring->cur = (ring->cur + 1) % MTW_HOST_CMD_RING_COUNT;
if (++ring->queued == 1)
usb_add_task(sc->sc_udev, &sc->sc_task);
splx(s);
}
int
mtw_newstate(struct ieee80211com *ic, enum ieee80211_state nstate, int arg)
{
struct mtw_softc *sc = ic->ic_softc;
struct mtw_cmd_newstate cmd;
cmd.state = nstate;
cmd.arg = arg;
mtw_do_async(sc, mtw_newstate_cb, &cmd, sizeof cmd);
return 0;
}
void
mtw_newstate_cb(struct mtw_softc *sc, void *arg)
{
struct mtw_cmd_newstate *cmd = arg;
struct ieee80211com *ic = &sc->sc_ic;
enum ieee80211_state ostate;
struct ieee80211_node *ni;
uint32_t sta[3];
uint8_t wcid;
int s;
s = splnet();
ostate = ic->ic_state;
if (ostate == IEEE80211_S_RUN) {
mtw_set_leds(sc, MTW_LED_MODE_ON);
}
switch (cmd->state) {
case IEEE80211_S_INIT:
if (ostate == IEEE80211_S_RUN) {
mtw_abort_tsf_sync(sc);
}
break;
case IEEE80211_S_SCAN:
mtw_set_chan(sc, ic->ic_bss->ni_chan);
if (!usbd_is_dying(sc->sc_udev))
timeout_add_msec(&sc->scan_to, 200);
break;
case IEEE80211_S_AUTH:
case IEEE80211_S_ASSOC:
mtw_set_chan(sc, ic->ic_bss->ni_chan);
break;
case IEEE80211_S_RUN:
mtw_set_chan(sc, ic->ic_bss->ni_chan);
ni = ic->ic_bss;
if (ic->ic_opmode != IEEE80211_M_MONITOR) {
mtw_updateslot(ic);
mtw_enable_mrr(sc);
mtw_set_txpreamble(sc);
mtw_set_basicrates(sc);
mtw_set_bssid(sc, ni->ni_bssid);
}
if (ic->ic_opmode == IEEE80211_M_STA) {
wcid = MTW_AID2WCID(ni->ni_associd);
mtw_write_region_1(sc, MTW_WCID_ENTRY(wcid),
ni->ni_macaddr, IEEE80211_ADDR_LEN);
mtw_newassoc(ic, ni, 1);
}
if (ic->ic_opmode != IEEE80211_M_MONITOR) {
mtw_enable_tsf_sync(sc);
mtw_read_region_1(sc, MTW_TX_STA_CNT0,
(uint8_t *)sta, sizeof sta);
if (!usbd_is_dying(sc->sc_udev))
timeout_add_sec(&sc->calib_to, 1);
}
mtw_set_leds(sc, MTW_LED_MODE_BLINK_TX);
break;
}
(void)sc->sc_newstate(ic, cmd->state, cmd->arg);
splx(s);
}
void
mtw_updateedca(struct ieee80211com *ic)
{
mtw_do_async(ic->ic_softc, mtw_updateedca_cb, NULL, 0);
}
void
mtw_updateedca_cb(struct mtw_softc *sc, void *arg)
{
struct ieee80211com *ic = &sc->sc_ic;
int s, aci;
s = splnet();
for (aci = 0; aci < EDCA_NUM_AC; aci++) {
mtw_write(sc, MTW_EDCA_AC_CFG(aci),
ic->ic_edca_ac[aci].ac_ecwmax << 16 |
ic->ic_edca_ac[aci].ac_ecwmin << 12 |
ic->ic_edca_ac[aci].ac_aifsn << 8 |
ic->ic_edca_ac[aci].ac_txoplimit);
}
mtw_write(sc, MTW_WMM_AIFSN_CFG,
ic->ic_edca_ac[EDCA_AC_VO].ac_aifsn << 12 |
ic->ic_edca_ac[EDCA_AC_VI].ac_aifsn << 8 |
ic->ic_edca_ac[EDCA_AC_BK].ac_aifsn << 4 |
ic->ic_edca_ac[EDCA_AC_BE].ac_aifsn);
mtw_write(sc, MTW_WMM_CWMIN_CFG,
ic->ic_edca_ac[EDCA_AC_VO].ac_ecwmin << 12 |
ic->ic_edca_ac[EDCA_AC_VI].ac_ecwmin << 8 |
ic->ic_edca_ac[EDCA_AC_BK].ac_ecwmin << 4 |
ic->ic_edca_ac[EDCA_AC_BE].ac_ecwmin);
mtw_write(sc, MTW_WMM_CWMAX_CFG,
ic->ic_edca_ac[EDCA_AC_VO].ac_ecwmax << 12 |
ic->ic_edca_ac[EDCA_AC_VI].ac_ecwmax << 8 |
ic->ic_edca_ac[EDCA_AC_BK].ac_ecwmax << 4 |
ic->ic_edca_ac[EDCA_AC_BE].ac_ecwmax);
mtw_write(sc, MTW_WMM_TXOP0_CFG,
ic->ic_edca_ac[EDCA_AC_BK].ac_txoplimit << 16 |
ic->ic_edca_ac[EDCA_AC_BE].ac_txoplimit);
mtw_write(sc, MTW_WMM_TXOP1_CFG,
ic->ic_edca_ac[EDCA_AC_VO].ac_txoplimit << 16 |
ic->ic_edca_ac[EDCA_AC_VI].ac_txoplimit);
splx(s);
}
void
mtw_updateslot(struct ieee80211com *ic)
{
mtw_do_async(ic->ic_softc, mtw_updateslot_cb, NULL, 0);
}
void
mtw_updateslot_cb(struct mtw_softc *sc, void *arg)
{
uint32_t tmp;
mtw_read(sc, MTW_BKOFF_SLOT_CFG, &tmp);
tmp &= ~0xff;
tmp |= (sc->sc_ic.ic_flags & IEEE80211_F_SHSLOT) ?
IEEE80211_DUR_DS_SHSLOT : IEEE80211_DUR_DS_SLOT;
mtw_write(sc, MTW_BKOFF_SLOT_CFG, tmp);
}
int
mtw_set_key(struct ieee80211com *ic, struct ieee80211_node *ni,
struct ieee80211_key *k)
{
struct mtw_softc *sc = ic->ic_softc;
struct mtw_cmd_key cmd;
if ((ic->ic_if.if_flags & (IFF_UP | IFF_RUNNING)) !=
(IFF_UP | IFF_RUNNING))
return 0;
cmd.key = *k;
cmd.ni = ni;
mtw_do_async(sc, mtw_set_key_cb, &cmd, sizeof cmd);
sc->sc_key_tasks++;
return EBUSY;
}
void
mtw_set_key_cb(struct mtw_softc *sc, void *arg)
{
struct ieee80211com *ic = &sc->sc_ic;
struct mtw_cmd_key *cmd = arg;
struct ieee80211_key *k = &cmd->key;
uint32_t attr;
uint16_t base;
uint8_t mode, wcid, iv[8];
sc->sc_key_tasks--;
switch (k->k_cipher) {
case IEEE80211_CIPHER_WEP40:
mode = MTW_MODE_WEP40;
break;
case IEEE80211_CIPHER_WEP104:
mode = MTW_MODE_WEP104;
break;
case IEEE80211_CIPHER_TKIP:
mode = MTW_MODE_TKIP;
break;
case IEEE80211_CIPHER_CCMP:
mode = MTW_MODE_AES_CCMP;
break;
default:
if (cmd->ni != NULL) {
IEEE80211_SEND_MGMT(ic, cmd->ni,
IEEE80211_FC0_SUBTYPE_DEAUTH,
IEEE80211_REASON_AUTH_LEAVE);
}
ieee80211_new_state(ic, IEEE80211_S_SCAN, -1);
return;
}
if (k->k_flags & IEEE80211_KEY_GROUP) {
wcid = 0;
base = MTW_SKEY(0, k->k_id);
} else {
wcid = (cmd->ni != NULL) ? MTW_AID2WCID(cmd->ni->ni_associd) : 0;
base = MTW_PKEY(wcid);
}
if (k->k_cipher == IEEE80211_CIPHER_TKIP) {
mtw_write_region_1(sc, base, k->k_key, 16);
mtw_write_region_1(sc, base + 16, &k->k_key[24], 8);
mtw_write_region_1(sc, base + 24, &k->k_key[16], 8);
} else {
mtw_write_region_1(sc, base, k->k_key, (k->k_len + 1) & ~1);
}
if (!(k->k_flags & IEEE80211_KEY_GROUP) ||
(k->k_flags & IEEE80211_KEY_TX)) {
if (k->k_cipher == IEEE80211_CIPHER_WEP40 ||
k->k_cipher == IEEE80211_CIPHER_WEP104) {
memset(iv, 0, sizeof iv);
iv[3] = sc->sc_ic.ic_def_txkey << 6;
} else {
if (k->k_cipher == IEEE80211_CIPHER_TKIP) {
iv[0] = k->k_tsc >> 8;
iv[1] = (iv[0] | 0x20) & 0x7f;
iv[2] = k->k_tsc;
} else {
iv[0] = k->k_tsc;
iv[1] = k->k_tsc >> 8;
iv[2] = 0;
}
iv[3] = k->k_id << 6 | IEEE80211_WEP_EXTIV;
iv[4] = k->k_tsc >> 16;
iv[5] = k->k_tsc >> 24;
iv[6] = k->k_tsc >> 32;
iv[7] = k->k_tsc >> 40;
}
mtw_write_region_1(sc, MTW_IVEIV(wcid), iv, 8);
}
if (k->k_flags & IEEE80211_KEY_GROUP) {
mtw_read(sc, MTW_SKEY_MODE_0_7, &attr);
attr &= ~(0xf << (k->k_id * 4));
attr |= mode << (k->k_id * 4);
mtw_write(sc, MTW_SKEY_MODE_0_7, attr);
if (k->k_cipher & (IEEE80211_CIPHER_WEP104 |
IEEE80211_CIPHER_WEP40)) {
mtw_read(sc, MTW_WCID_ATTR(wcid + 1), &attr);
attr = (attr & ~0xf) | (mode << 1);
mtw_write(sc, MTW_WCID_ATTR(wcid + 1), attr);
mtw_set_region_4(sc, MTW_IVEIV(0), 0, 4);
mtw_read(sc, MTW_WCID_ATTR(wcid), &attr);
attr = (attr & ~0xf) | (mode << 1);
mtw_write(sc, MTW_WCID_ATTR(wcid), attr);
}
} else {
mtw_read(sc, MTW_WCID_ATTR(wcid), &attr);
attr = (attr & ~0xf) | (mode << 1) | MTW_RX_PKEY_EN;
mtw_write(sc, MTW_WCID_ATTR(wcid), attr);
}
if (sc->sc_key_tasks == 0) {
if (cmd->ni != NULL)
cmd->ni->ni_port_valid = 1;
ieee80211_set_link_state(ic, LINK_STATE_UP);
}
}
void
mtw_delete_key(struct ieee80211com *ic, struct ieee80211_node *ni,
struct ieee80211_key *k)
{
struct mtw_softc *sc = ic->ic_softc;
struct mtw_cmd_key cmd;
if (!(ic->ic_if.if_flags & IFF_RUNNING) ||
ic->ic_state != IEEE80211_S_RUN)
return;
cmd.key = *k;
cmd.ni = ni;
mtw_do_async(sc, mtw_delete_key_cb, &cmd, sizeof cmd);
}
void
mtw_delete_key_cb(struct mtw_softc *sc, void *arg)
{
struct mtw_cmd_key *cmd = arg;
struct ieee80211_key *k = &cmd->key;
uint32_t attr;
uint8_t wcid;
if (k->k_flags & IEEE80211_KEY_GROUP) {
mtw_read(sc, MTW_SKEY_MODE_0_7, &attr);
attr &= ~(0xf << (k->k_id * 4));
mtw_write(sc, MTW_SKEY_MODE_0_7, attr);
} else {
wcid = (cmd->ni != NULL) ? MTW_AID2WCID(cmd->ni->ni_associd) : 0;
mtw_read(sc, MTW_WCID_ATTR(wcid), &attr);
attr &= ~0xf;
mtw_write(sc, MTW_WCID_ATTR(wcid), attr);
}
}
void
mtw_calibrate_to(void *arg)
{
mtw_do_async(arg, mtw_calibrate_cb, NULL, 0);
}
void
mtw_calibrate_cb(struct mtw_softc *sc, void *arg)
{
struct ifnet *ifp = &sc->sc_ic.ic_if;
uint32_t sta[3];
int s, error;
error = mtw_read_region_1(sc, MTW_TX_STA_CNT0, (uint8_t *)sta,
sizeof sta);
if (error != 0)
goto skip;
DPRINTF(("retrycnt=%d txcnt=%d failcnt=%d\n",
letoh32(sta[1]) >> 16, letoh32(sta[1]) & 0xffff,
letoh32(sta[0]) & 0xffff));
s = splnet();
ifp->if_oerrors += letoh32(sta[0]) & 0xffff;
sc->amn.amn_retrycnt =
(letoh32(sta[0]) & 0xffff) +
(letoh32(sta[1]) >> 16);
sc->amn.amn_txcnt =
sc->amn.amn_retrycnt +
(letoh32(sta[1]) & 0xffff);
ieee80211_amrr_choose(&sc->amrr, sc->sc_ic.ic_bss, &sc->amn);
splx(s);
skip:
if (!usbd_is_dying(sc->sc_udev))
timeout_add_sec(&sc->calib_to, 1);
}
void
mtw_newassoc(struct ieee80211com *ic, struct ieee80211_node *ni, int isnew)
{
struct mtw_softc *sc = ic->ic_softc;
struct mtw_node *mn = (void *)ni;
struct ieee80211_rateset *rs = &ni->ni_rates;
uint8_t rate;
int ridx, i, j;
DPRINTF(("new assoc isnew=%d addr=%s\n",
isnew, ether_sprintf(ni->ni_macaddr)));
ieee80211_amrr_node_init(&sc->amrr, &sc->amn);
ni->ni_txrate = 0;
for (i = 0; i < rs->rs_nrates; i++) {
rate = rs->rs_rates[i] & IEEE80211_RATE_VAL;
for (ridx = 0; ridx < MTW_RIDX_MAX; ridx++)
if (rt2860_rates[ridx].rate == rate)
break;
mn->ridx[i] = ridx;
for (j = i; j >= 0; j--) {
if ((rs->rs_rates[j] & IEEE80211_RATE_BASIC) &&
rt2860_rates[mn->ridx[i]].phy ==
rt2860_rates[mn->ridx[j]].phy)
break;
}
if (j >= 0) {
mn->ctl_ridx[i] = mn->ridx[j];
} else {
mn->ctl_ridx[i] = rt2860_rates[ridx].ctl_ridx;
}
DPRINTF(("rate=0x%02x ridx=%d ctl_ridx=%d\n",
rs->rs_rates[i], mn->ridx[i], mn->ctl_ridx[i]));
}
}
static __inline uint8_t
mtw_maxrssi_chain(struct mtw_softc *sc, const struct mtw_rxwi *rxwi)
{
uint8_t rxchain = 0;
if (sc->nrxchains > 1) {
if (rxwi->rssi[1] > rxwi->rssi[rxchain])
rxchain = 1;
}
return rxchain;
}
void
mtw_rx_frame(struct mtw_softc *sc, uint8_t *buf, int dmalen,
struct mbuf_list *ml)
{
struct ieee80211com *ic = &sc->sc_ic;
struct ifnet *ifp = &ic->ic_if;
struct ieee80211_frame *wh;
struct ieee80211_rxinfo rxi;
struct ieee80211_node *ni;
struct mtw_rxwi *rxwi;
struct mbuf *m;
uint32_t flags;
uint16_t len;
#if NBPFILTER > 0
uint16_t phy;
#endif
uint16_t rxwisize;
uint8_t ant, rssi;
int s;
rxwi = (struct mtw_rxwi *)(buf);
rxwisize = sizeof(struct mtw_rxwi);
len = letoh16(rxwi->len) & 0xfff;
if (__predict_false(len > dmalen)) {
DPRINTF(("bad RXWI length %u > %u\n", len, dmalen));
return;
}
if (len > MCLBYTES) {
DPRINTF(("frame too large (length=%d)\n", len));
ifp->if_ierrors++;
return;
}
flags = letoh32(rxwi->flags);
if (__predict_false(flags & (MTW_RX_CRCERR | MTW_RX_ICVERR))) {
ifp->if_ierrors++;
return;
}
if (__predict_false((flags & MTW_RX_MICERR))) {
ic->ic_stats.is_rx_locmicfail++;
ieee80211_michael_mic_failure(ic, 0);
ifp->if_ierrors++;
return;
}
wh = (struct ieee80211_frame *)(buf + rxwisize);
memset(&rxi, 0, sizeof(rxi));
if (wh->i_fc[1] & IEEE80211_FC1_PROTECTED) {
wh->i_fc[1] &= ~IEEE80211_FC1_PROTECTED;
rxi.rxi_flags |= IEEE80211_RXI_HWDEC;
}
if (flags & MTW_RX_L2PAD) {
u_int hdrlen = ieee80211_get_hdrlen(wh);
memmove((caddr_t)wh + 2, wh, hdrlen);
wh = (struct ieee80211_frame *)((caddr_t)wh + 2);
}
MGETHDR(m, M_DONTWAIT, MT_DATA);
if (__predict_false(m == NULL)) {
ifp->if_ierrors++;
return;
}
if (len > MHLEN) {
MCLGET(m, M_DONTWAIT);
if (__predict_false(!(m->m_flags & M_EXT))) {
ifp->if_ierrors++;
m_freem(m);
return;
}
}
memcpy(mtod(m, caddr_t), wh, len);
m->m_pkthdr.len = m->m_len = len;
ant = mtw_maxrssi_chain(sc, rxwi);
rssi = rxwi->rssi[ant];
#if NBPFILTER > 0
if (__predict_false(sc->sc_drvbpf != NULL)) {
struct mtw_rx_radiotap_header *tap = &sc->sc_rxtap;
struct mbuf mb;
tap->wr_flags = 0;
tap->wr_chan_freq = htole16(ic->ic_ibss_chan->ic_freq);
tap->wr_chan_flags = htole16(ic->ic_ibss_chan->ic_flags);
tap->wr_antsignal = rssi;
tap->wr_antenna = ant;
tap->wr_dbm_antsignal = mtw_rssi2dbm(sc, rssi, ant);
tap->wr_rate = 2;
phy = letoh16(rxwi->phy);
switch (phy >> MT7601_PHY_SHIFT) {
case MTW_PHY_CCK:
switch ((phy & MTW_PHY_MCS) & ~MTW_PHY_SHPRE) {
case 0: tap->wr_rate = 2; break;
case 1: tap->wr_rate = 4; break;
case 2: tap->wr_rate = 11; break;
case 3: tap->wr_rate = 22; break;
}
if (phy & MTW_PHY_SHPRE)
tap->wr_flags |= IEEE80211_RADIOTAP_F_SHORTPRE;
break;
case MTW_PHY_OFDM:
switch (phy & MTW_PHY_MCS) {
case 0: tap->wr_rate = 12; break;
case 1: tap->wr_rate = 18; break;
case 2: tap->wr_rate = 24; break;
case 3: tap->wr_rate = 36; break;
case 4: tap->wr_rate = 48; break;
case 5: tap->wr_rate = 72; break;
case 6: tap->wr_rate = 96; break;
case 7: tap->wr_rate = 108; break;
}
break;
}
mb.m_data = (caddr_t)tap;
mb.m_len = sc->sc_rxtap_len;
mb.m_next = m;
mb.m_nextpkt = NULL;
mb.m_type = 0;
mb.m_flags = 0;
bpf_mtap(sc->sc_drvbpf, &mb, BPF_DIRECTION_IN);
}
#endif
s = splnet();
ni = ieee80211_find_rxnode(ic, wh);
rxi.rxi_rssi = rssi;
ieee80211_inputm(ifp, m, ni, &rxi, ml);
ieee80211_release_node(ic, ni);
splx(s);
}
void
mtw_rxeof(struct usbd_xfer *xfer, void *priv, usbd_status status)
{
struct mbuf_list ml = MBUF_LIST_INITIALIZER();
struct mtw_rx_data *data = priv;
struct mtw_softc *sc = data->sc;
uint8_t *buf;
uint32_t dmalen;
int xferlen;
if (__predict_false(status != USBD_NORMAL_COMPLETION)) {
DPRINTF(("RX status=%d\n", status));
if (status == USBD_STALLED)
usbd_clear_endpoint_stall_async(sc->rxq[0].pipeh);
if (status != USBD_CANCELLED)
goto skip;
return;
}
usbd_get_xfer_status(xfer, NULL, NULL, &xferlen, NULL);
if (__predict_false(xferlen < sizeof(uint32_t) +
sizeof (struct mtw_rxwi) + sizeof(struct mtw_rxd))) {
DPRINTF(("RX xfer too short %d\n", xferlen));
goto skip;
}
buf = data->buf;
while (xferlen > 8) {
dmalen = letoh32(*(uint32_t *)buf) & MTW_RXD_LEN;
if (__predict_false(dmalen == 0 || (dmalen & 3) != 0)) {
DPRINTF(("bad DMA length %u\n", dmalen));
break;
}
if (__predict_false(dmalen + 8 > xferlen)) {
DPRINTF(("bad DMA length %u > %d\n",
dmalen + 8, xferlen));
break;
}
mtw_rx_frame(sc, buf + sizeof(struct mtw_rxd), dmalen, &ml);
buf += dmalen + 8;
xferlen -= dmalen + 8;
}
if_input(&sc->sc_ic.ic_if, &ml);
skip:
usbd_setup_xfer(xfer, sc->rxq[0].pipeh, data, data->buf, MTW_MAX_RXSZ,
USBD_SHORT_XFER_OK | USBD_NO_COPY, USBD_NO_TIMEOUT, mtw_rxeof);
(void)usbd_transfer(data->xfer);
}
void
mtw_txeof(struct usbd_xfer *xfer, void *priv, usbd_status status)
{
struct mtw_tx_data *data = priv;
struct mtw_softc *sc = data->sc;
struct mtw_tx_ring *txq = &sc->txq[data->qid];
struct ifnet *ifp = &sc->sc_ic.ic_if;
int s;
if (usbd_is_dying(sc->sc_udev))
return;
s = splnet();
txq->queued--;
sc->qfullmsk &= ~(1 << data->qid);
if (__predict_false(status != USBD_NORMAL_COMPLETION)) {
DPRINTF(("TX status=%d\n", status));
if (status == USBD_STALLED)
usbd_clear_endpoint_stall_async(txq->pipeh);
ifp->if_oerrors++;
splx(s);
return;
}
sc->sc_tx_timer = 0;
if (ifq_is_oactive(&ifp->if_snd)) {
ifq_clr_oactive(&ifp->if_snd);
mtw_start(ifp);
}
splx(s);
}
int
mtw_tx(struct mtw_softc *sc, struct mbuf *m, struct ieee80211_node *ni)
{
struct ieee80211com *ic = &sc->sc_ic;
struct mtw_node *mn = (void *)ni;
struct ieee80211_frame *wh;
struct mtw_tx_ring *ring;
struct mtw_tx_data *data;
struct mtw_txd *txd;
struct mtw_txwi *txwi;
uint16_t qos, dur;
uint16_t txwisize;
uint8_t type, mcs, tid, qid;
int error, hasqos, ridx, ctl_ridx, xferlen;
wh = mtod(m, struct ieee80211_frame *);
type = wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK;
if ((hasqos = ieee80211_has_qos(wh))) {
qos = ieee80211_get_qos(wh);
tid = qos & IEEE80211_QOS_TID;
qid = ieee80211_up_to_ac(ic, tid);
} else {
qos = 0;
tid = 0;
qid = EDCA_AC_BE;
}
if (type == IEEE80211_FC0_TYPE_MGT)
qid = MTW_TXQ_MCU;
ring = &sc->txq[qid];
data = &ring->data[ring->cur];
if (IEEE80211_IS_MULTICAST(wh->i_addr1) ||
type != IEEE80211_FC0_TYPE_DATA) {
ridx = (ic->ic_curmode == IEEE80211_MODE_11A) ?
MTW_RIDX_OFDM6 : MTW_RIDX_CCK1;
ctl_ridx = rt2860_rates[ridx].ctl_ridx;
} else if (ic->ic_fixed_rate != -1) {
ridx = sc->fixed_ridx;
ctl_ridx = rt2860_rates[ridx].ctl_ridx;
} else {
ridx = mn->ridx[ni->ni_txrate];
ctl_ridx = mn->ctl_ridx[ni->ni_txrate];
}
txwisize = sizeof(struct mtw_txwi);
xferlen = txwisize + m->m_pkthdr.len;
xferlen = (xferlen + 3) & ~3;
txd = (struct mtw_txd *)data->buf;
txd->flags = htole16(MTW_TXD_DATA | MTW_TXD_80211 |
MTW_TXD_WLAN | MTW_TXD_QSEL_EDCA);
if (type != IEEE80211_FC0_TYPE_DATA)
txd->flags |= htole16(MTW_TXD_WIV);
txd->len = htole16(xferlen);
xferlen += sizeof(struct mtw_txd);
mcs = rt2860_rates[ridx].mcs;
txwi = (struct mtw_txwi *)(txd + 1);
txwi->flags = 0;
txwi->xflags = hasqos ? 0 : MTW_TX_NSEQ;
txwi->wcid = (type == IEEE80211_FC0_TYPE_DATA) ?
MTW_AID2WCID(ni->ni_associd) : 0xff;
txwi->len = htole16(m->m_pkthdr.len);
txwi->txop = MTW_TX_TXOP_BACKOFF;
if (rt2860_rates[ridx].phy == IEEE80211_T_DS) {
txwi->phy = htole16(MTW_PHY_CCK << MT7601_PHY_SHIFT);
if (ridx != MTW_RIDX_CCK1 &&
(ic->ic_flags & IEEE80211_F_SHPREAMBLE))
mcs |= MTW_PHY_SHPRE;
} else if (rt2860_rates[ridx].phy == IEEE80211_T_OFDM)
txwi->phy = htole16(MTW_PHY_OFDM << MT7601_PHY_SHIFT);
txwi->phy |= htole16(mcs);
if (!IEEE80211_IS_MULTICAST(wh->i_addr1) &&
(!hasqos || (qos & IEEE80211_QOS_ACK_POLICY_MASK) !=
IEEE80211_QOS_ACK_POLICY_NOACK)) {
txwi->xflags |= MTW_TX_ACK;
if (ic->ic_flags & IEEE80211_F_SHPREAMBLE)
dur = rt2860_rates[ctl_ridx].sp_ack_dur;
else
dur = rt2860_rates[ctl_ridx].lp_ack_dur;
*(uint16_t *)wh->i_dur = htole16(dur);
}
#if NBPFILTER > 0
if (__predict_false(sc->sc_drvbpf != NULL)) {
struct mtw_tx_radiotap_header *tap = &sc->sc_txtap;
struct mbuf mb;
tap->wt_flags = 0;
tap->wt_rate = rt2860_rates[ridx].rate;
tap->wt_chan_freq = htole16(ic->ic_bss->ni_chan->ic_freq);
tap->wt_chan_flags = htole16(ic->ic_bss->ni_chan->ic_flags);
if (mcs & MTW_PHY_SHPRE)
tap->wt_flags |= IEEE80211_RADIOTAP_F_SHORTPRE;
mb.m_data = (caddr_t)tap;
mb.m_len = sc->sc_txtap_len;
mb.m_next = m;
mb.m_nextpkt = NULL;
mb.m_type = 0;
mb.m_flags = 0;
bpf_mtap(sc->sc_drvbpf, &mb, BPF_DIRECTION_OUT);
}
#endif
m_copydata(m, 0, m->m_pkthdr.len, (caddr_t)txwi + txwisize);
m_freem(m);
memset(data->buf + xferlen, 0, MTW_DMA_PAD);
xferlen += MTW_DMA_PAD;
usbd_setup_xfer(data->xfer, ring->pipeh, data, data->buf,
xferlen, USBD_FORCE_SHORT_XFER | USBD_NO_COPY,
MTW_TX_TIMEOUT, mtw_txeof);
error = usbd_transfer(data->xfer);
if (__predict_false(error != USBD_IN_PROGRESS && error != 0))
return error;
ieee80211_release_node(ic, ni);
ring->cur = (ring->cur + 1) % MTW_TX_RING_COUNT;
if (++ring->queued >= MTW_TX_RING_COUNT)
sc->qfullmsk |= 1 << qid;
return 0;
}
void
mtw_start(struct ifnet *ifp)
{
struct mtw_softc *sc = ifp->if_softc;
struct ieee80211com *ic = &sc->sc_ic;
struct ieee80211_node *ni;
struct mbuf *m;
if (!(ifp->if_flags & IFF_RUNNING) || ifq_is_oactive(&ifp->if_snd))
return;
for (;;) {
if (sc->qfullmsk != 0) {
ifq_set_oactive(&ifp->if_snd);
break;
}
m = mq_dequeue(&ic->ic_mgtq);
if (m != NULL) {
ni = m->m_pkthdr.ph_cookie;
goto sendit;
}
if (ic->ic_state != IEEE80211_S_RUN)
break;
m = ifq_dequeue(&ifp->if_snd);
if (m == NULL)
break;
#if NBPFILTER > 0
if (ifp->if_bpf != NULL)
bpf_mtap(ifp->if_bpf, m, BPF_DIRECTION_OUT);
#endif
if ((m = ieee80211_encap(ifp, m, &ni)) == NULL)
continue;
sendit:
#if NBPFILTER > 0
if (ic->ic_rawbpf != NULL)
bpf_mtap(ic->ic_rawbpf, m, BPF_DIRECTION_OUT);
#endif
if (mtw_tx(sc, m, ni) != 0) {
ieee80211_release_node(ic, ni);
ifp->if_oerrors++;
continue;
}
sc->sc_tx_timer = 5;
ifp->if_timer = 1;
}
}
void
mtw_watchdog(struct ifnet *ifp)
{
struct mtw_softc *sc = ifp->if_softc;
ifp->if_timer = 0;
if (sc->sc_tx_timer > 0) {
if (--sc->sc_tx_timer == 0) {
printf("%s: device timeout\n", sc->sc_dev.dv_xname);
ifp->if_oerrors++;
return;
}
ifp->if_timer = 1;
}
ieee80211_watchdog(ifp);
}
int
mtw_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data)
{
struct mtw_softc *sc = ifp->if_softc;
struct ieee80211com *ic = &sc->sc_ic;
int s, error = 0;
if (usbd_is_dying(sc->sc_udev))
return ENXIO;
usbd_ref_incr(sc->sc_udev);
s = splnet();
switch (cmd) {
case SIOCSIFADDR:
ifp->if_flags |= IFF_UP;
case SIOCSIFFLAGS:
if (ifp->if_flags & IFF_UP) {
if (!(ifp->if_flags & IFF_RUNNING))
mtw_init(ifp);
} else {
if (ifp->if_flags & IFF_RUNNING)
mtw_stop(ifp, 1);
}
break;
case SIOCS80211CHANNEL:
error = ieee80211_ioctl(ifp, cmd, data);
if (error == ENETRESET &&
ic->ic_opmode == IEEE80211_M_MONITOR) {
if ((ifp->if_flags & (IFF_UP | IFF_RUNNING)) ==
(IFF_UP | IFF_RUNNING))
mtw_set_chan(sc, ic->ic_ibss_chan);
error = 0;
}
break;
default:
error = ieee80211_ioctl(ifp, cmd, data);
}
if (error == ENETRESET) {
if ((ifp->if_flags & (IFF_UP | IFF_RUNNING)) ==
(IFF_UP | IFF_RUNNING)) {
mtw_stop(ifp, 0);
error = mtw_init(ifp);
} else
error = 0;
}
splx(s);
usbd_ref_decr(sc->sc_udev);
return error;
}
void
mtw_select_chan_group(struct mtw_softc *sc, int group)
{
uint32_t tmp;
uint8_t bbp;
mtw_read(sc, MTW_TX_BAND_CFG, &tmp);
tmp &= ~(MTW_TX_BAND_SEL_2G | MTW_TX_BAND_SEL_5G |
MTW_TX_BAND_UPPER_40M);
tmp |= (group == 0) ? MTW_TX_BAND_SEL_2G : MTW_TX_BAND_SEL_5G;
mtw_write(sc, MTW_TX_BAND_CFG, tmp);
mtw_bbp_read(sc, 4, &bbp);
bbp &= ~0x18;
bbp |= 0x40;
mtw_bbp_write(sc, 4, bbp);
mtw_bbp_write(sc, 69, 0x12);
mtw_bbp_write(sc, 91, 0x07);
mtw_bbp_write(sc, 195, 0x23);
mtw_bbp_write(sc, 196, 0x17);
mtw_bbp_write(sc, 195, 0x24);
mtw_bbp_write(sc, 196, 0x06);
mtw_bbp_write(sc, 195, 0x81);
mtw_bbp_write(sc, 196, 0x12);
mtw_bbp_write(sc, 195, 0x83);
mtw_bbp_write(sc, 196, 0x17);
mtw_rf_write(sc, 5, 8, 0x00);
mtw_mcu_calibrate(sc, 0x6, 0x10001);
mt7601_set_agc(sc, 0x14);
}
void
mt7601_set_agc(struct mtw_softc *sc, uint8_t agc)
{
uint8_t bbp;
mtw_bbp_write(sc, 66, agc);
mtw_bbp_write(sc, 195, 0x87);
bbp = (agc & 0xf0) | 0x08;
mtw_bbp_write(sc, 196, bbp);
}
void
mt7601_set_chan(struct mtw_softc *sc, u_int chan)
{
uint32_t tmp;
uint8_t bbp, rf, txpow1;
int i;
for (i = 0; mt7601_rf_chan[i].chan != chan; i++)
;
mtw_rf_write(sc, 0, 17, mt7601_rf_chan[i].r17);
mtw_rf_write(sc, 0, 18, mt7601_rf_chan[i].r18);
mtw_rf_write(sc, 0, 19, mt7601_rf_chan[i].r19);
mtw_rf_write(sc, 0, 20, mt7601_rf_chan[i].r20);
txpow1 = sc->txpow1[i];
mtw_read(sc, MTW_TX_ALC_CFG0, &tmp);
tmp &= ~0x3f3f;
tmp |= (txpow1 & 0x3f);
mtw_write(sc, MTW_TX_ALC_CFG0, tmp);
mtw_bbp_write(sc, 62, 0x37 - sc->lna[0]);
mtw_bbp_write(sc, 63, 0x37 - sc->lna[0]);
mtw_bbp_write(sc, 64, 0x37 - sc->lna[0]);
mtw_rf_write(sc, 0, 4, 0x0a);
mtw_rf_write(sc, 0, 5, 0x20);
mtw_rf_read(sc, 0, 4, &rf);
mtw_rf_write(sc, 0, 4, rf | 0x80);
mtw_bbp_read(sc, 4, &bbp);
bbp &= ~0x18;
bbp |= 0x40;
mtw_bbp_write(sc, 4, bbp);
mtw_bbp_write(sc, 178, 0xff);
}
int
mtw_set_chan(struct mtw_softc *sc, struct ieee80211_channel *c)
{
struct ieee80211com *ic = &sc->sc_ic;
u_int chan, group;
chan = ieee80211_chan2ieee(ic, c);
if (chan == 0 || chan == IEEE80211_CHAN_ANY)
return EINVAL;
if (chan <= 14)
group = 0;
else if (chan <= 64)
group = 1;
else if (chan <= 128)
group = 2;
else
group = 3;
if (group != sc->sc_chan_group || !sc->sc_bw_calibrated)
mtw_select_chan_group(sc, group);
sc->sc_chan_group = group;
if (sc->mac_ver == 0x7601)
mt7601_set_chan(sc, chan);
DELAY(1000);
return 0;
}
void
mtw_enable_tsf_sync(struct mtw_softc *sc)
{
struct ieee80211com *ic = &sc->sc_ic;
uint32_t tmp;
mtw_read(sc, MTW_BCN_TIME_CFG, &tmp);
tmp &= ~0x1fffff;
tmp |= ic->ic_bss->ni_intval * 16;
tmp |= MTW_TSF_TIMER_EN | MTW_TBTT_TIMER_EN;
tmp |= 1 << MTW_TSF_SYNC_MODE_SHIFT;
mtw_write(sc, MTW_BCN_TIME_CFG, tmp);
}
void
mtw_abort_tsf_sync(struct mtw_softc *sc)
{
uint32_t tmp;
mtw_read(sc, MTW_BCN_TIME_CFG, &tmp);
tmp &= ~(MTW_BCN_TX_EN | MTW_TSF_TIMER_EN | MTW_TBTT_TIMER_EN);
mtw_write(sc, MTW_BCN_TIME_CFG, tmp);
}
void
mtw_enable_mrr(struct mtw_softc *sc)
{
#define CCK(mcs) (mcs)
#define OFDM(mcs) (1 << 3 | (mcs))
mtw_write(sc, MTW_LG_FBK_CFG0,
OFDM(6) << 28 |
OFDM(5) << 24 |
OFDM(4) << 20 |
OFDM(3) << 16 |
OFDM(2) << 12 |
OFDM(1) << 8 |
OFDM(0) << 4 |
OFDM(0));
mtw_write(sc, MTW_LG_FBK_CFG1,
CCK(2) << 12 |
CCK(1) << 8 |
CCK(0) << 4 |
CCK(0));
#undef OFDM
#undef CCK
}
void
mtw_set_txrts(struct mtw_softc *sc)
{
uint32_t tmp;
mtw_read(sc, MTW_TX_RTS_CFG, &tmp);
tmp &= ~0xffff00;
tmp |= 0x1000 << MTW_RTS_THRES_SHIFT;
mtw_write(sc, MTW_TX_RTS_CFG, tmp);
}
void
mtw_set_txpreamble(struct mtw_softc *sc)
{
uint32_t tmp;
mtw_read(sc, MTW_AUTO_RSP_CFG, &tmp);
if (sc->sc_ic.ic_flags & IEEE80211_F_SHPREAMBLE)
tmp |= MTW_CCK_SHORT_EN;
else
tmp &= ~MTW_CCK_SHORT_EN;
mtw_write(sc, MTW_AUTO_RSP_CFG, tmp);
}
void
mtw_set_basicrates(struct mtw_softc *sc)
{
struct ieee80211com *ic = &sc->sc_ic;
if (ic->ic_curmode == IEEE80211_MODE_11B)
mtw_write(sc, MTW_LEGACY_BASIC_RATE, 0x003);
else if (ic->ic_curmode == IEEE80211_MODE_11A)
mtw_write(sc, MTW_LEGACY_BASIC_RATE, 0x150);
else
mtw_write(sc, MTW_LEGACY_BASIC_RATE, 0x17f);
}
void
mtw_set_leds(struct mtw_softc *sc, uint16_t which)
{
struct mtw_mcu_cmd_8 cmd;
cmd.func = htole32(0x1);
cmd.val = htole32(which);
mtw_mcu_cmd(sc, 16, &cmd, sizeof(struct mtw_mcu_cmd_8));
}
void
mtw_set_bssid(struct mtw_softc *sc, const uint8_t *bssid)
{
mtw_write(sc, MTW_MAC_BSSID_DW0,
bssid[0] | bssid[1] << 8 | bssid[2] << 16 | bssid[3] << 24);
mtw_write(sc, MTW_MAC_BSSID_DW1,
bssid[4] | bssid[5] << 8);
}
void
mtw_set_macaddr(struct mtw_softc *sc, const uint8_t *addr)
{
mtw_write(sc, MTW_MAC_ADDR_DW0,
addr[0] | addr[1] << 8 | addr[2] << 16 | addr[3] << 24);
mtw_write(sc, MTW_MAC_ADDR_DW1,
addr[4] | addr[5] << 8 | 0xff << 16);
}
#if NBPFILTER > 0
int8_t
mtw_rssi2dbm(struct mtw_softc *sc, uint8_t rssi, uint8_t rxchain)
{
struct ieee80211com *ic = &sc->sc_ic;
struct ieee80211_channel *c = ic->ic_ibss_chan;
int delta;
if (IEEE80211_IS_CHAN_5GHZ(c)) {
u_int chan = ieee80211_chan2ieee(ic, c);
delta = sc->rssi_5ghz[rxchain];
if (chan <= 64)
delta -= sc->lna[1];
else if (chan <= 128)
delta -= sc->lna[2];
else
delta -= sc->lna[3];
} else
delta = sc->rssi_2ghz[rxchain] - sc->lna[0];
return -12 - delta - rssi;
}
#endif
int
mt7601_bbp_init(struct mtw_softc *sc)
{
uint8_t bbp;
int i, error, ntries;
for (ntries = 0; ntries < 20; ntries++) {
if ((error = mtw_bbp_read(sc, 0, &bbp)) != 0)
return error;
if (bbp != 0 && bbp != 0xff)
break;
}
if (ntries == 20)
return ETIMEDOUT;
mtw_bbp_read(sc, 3, &bbp);
mtw_bbp_write(sc, 3, 0);
mtw_bbp_read(sc, 105, &bbp);
mtw_bbp_write(sc, 105, 0);
for (i = 0; i < nitems(mt7601_def_bbp); i++) {
if ((error = mtw_bbp_write(sc, mt7601_def_bbp[i].reg,
mt7601_def_bbp[i].val)) != 0)
return error;
}
sc->sc_bw_calibrated = 0;
return 0;
}
int
mt7601_rf_init(struct mtw_softc *sc)
{
int i, error;
for (i = 0; i < nitems(mt7601_rf_bank0); i++) {
error = mtw_rf_write(sc, 0, mt7601_rf_bank0[i].reg,
mt7601_rf_bank0[i].val);
if (error != 0)
return error;
}
for (i = 0; i < nitems(mt7601_rf_bank4); i++) {
error = mtw_rf_write(sc, 4, mt7601_rf_bank4[i].reg,
mt7601_rf_bank4[i].val);
if (error != 0)
return error;
}
for (i = 0; i < nitems(mt7601_rf_bank5); i++) {
error = mtw_rf_write(sc, 5, mt7601_rf_bank5[i].reg,
mt7601_rf_bank5[i].val);
if (error != 0)
return error;
}
return 0;
}
int
mt7601_rf_setup(struct mtw_softc *sc)
{
uint32_t tmp;
uint8_t rf;
int error;
if (sc->sc_rf_calibrated)
return 0;
if ((error = mt7601_rf_init(sc)) != 0)
return error;
mtw_rf_write(sc, 0, 12, sc->rf_freq_offset);
mtw_rf_read(sc, 0, 12, &rf);
mt7601_rf_temperature(sc, &rf);
sc->bbp_temp = rf;
DPRINTF(("BBP temp 0x%x ", rf));
mtw_rf_read(sc, 0, 7, &rf);
if ((error = mtw_mcu_calibrate(sc, 0x1, 0)) != 0)
return error;
usbd_delay_ms(sc->sc_udev, 100);
mtw_rf_read(sc, 0, 7, &rf);
mtw_rf_write(sc, 0, 4, 0x0a);
mtw_rf_write(sc, 0, 4, 0x20);
mtw_rf_read(sc, 0, 4, &rf);
mtw_rf_write(sc, 0, 4, rf | 0x80);
if ((error = mtw_mcu_calibrate(sc, 0x9, 0)) != 0)
return error;
if ((error = mt7601_rxdc_cal(sc)) != 0)
return error;
if ((error = mtw_mcu_calibrate(sc, 0x6, 1)) != 0)
return error;
if ((error = mtw_mcu_calibrate(sc, 0x6, 0)) != 0)
return error;
if ((error = mtw_mcu_calibrate(sc, 0x4, 0)) != 0)
return error;
if ((error = mtw_mcu_calibrate(sc, 0x5, 0)) != 0)
return error;
mtw_read(sc, MTW_LDO_CFG0, &tmp);
tmp &= ~(1 << 4);
tmp |= (1 << 2);
mtw_write(sc, MTW_LDO_CFG0, tmp);
if ((error = mtw_mcu_calibrate(sc, 0x8, 0)) != 0)
return error;
if ((error = mt7601_rxdc_cal(sc)) != 0)
return error;
sc->sc_rf_calibrated = 1;
return 0;
}
int
mt7601_rf_temperature(struct mtw_softc *sc, int8_t *val)
{
uint32_t rfb, rfs;
uint8_t bbp;
int ntries;
mtw_read(sc, MTW_RF_BYPASS0, &rfb);
mtw_read(sc, MTW_RF_SETTING0, &rfs);
mtw_write(sc, MTW_RF_BYPASS0, 0);
mtw_write(sc, MTW_RF_SETTING0, 0x10);
mtw_write(sc, MTW_RF_BYPASS0, 0x10);
mtw_bbp_read(sc, 47, &bbp);
bbp &= ~0x7f;
bbp |= 0x10;
mtw_bbp_write(sc, 47, bbp);
mtw_bbp_write(sc, 22, 0x40);
for (ntries = 0; ntries < 10; ntries++) {
mtw_bbp_read(sc, 47, &bbp);
if ((bbp & 0x10) == 0)
break;
}
if (ntries == 10)
return ETIMEDOUT;
mt7601_r49_read(sc, MT7601_R47_TEMP, val);
mtw_bbp_write(sc, 22, 0);
mtw_bbp_read(sc, 21, &bbp);
bbp |= 0x02;
mtw_bbp_write(sc, 21, bbp);
bbp &= ~0x02;
mtw_bbp_write(sc, 21, bbp);
mtw_write(sc, MTW_RF_BYPASS0, 0);
mtw_write(sc, MTW_RF_SETTING0, rfs);
mtw_write(sc, MTW_RF_BYPASS0, rfb);
return 0;
}
int
mt7601_r49_read(struct mtw_softc *sc, uint8_t flag, int8_t *val)
{
uint8_t bbp;
mtw_bbp_read(sc, 47, &bbp);
bbp = 0x90;
mtw_bbp_write(sc, 47, bbp);
bbp &= ~0x0f;
bbp |= flag;
mtw_bbp_write(sc, 47, bbp);
return mtw_bbp_read(sc, 49, val);
}
int
mt7601_rxdc_cal(struct mtw_softc *sc)
{
uint32_t tmp;
uint8_t bbp;
int ntries;
mtw_read(sc, MTW_MAC_SYS_CTRL, &tmp);
mtw_write(sc, MTW_MAC_SYS_CTRL, MTW_MAC_RX_EN);
mtw_bbp_write(sc, 158, 0x8d);
mtw_bbp_write(sc, 159, 0xfc);
mtw_bbp_write(sc, 158, 0x8c);
mtw_bbp_write(sc, 159, 0x4c);
for (ntries = 0; ntries < 20; ntries++) {
DELAY(300);
mtw_bbp_write(sc, 158, 0x8c);
mtw_bbp_read(sc, 159, &bbp);
if (bbp == 0x0c)
break;
}
if (ntries == 20)
return ETIMEDOUT;
mtw_write(sc, MTW_MAC_SYS_CTRL, 0);
mtw_bbp_write(sc, 158, 0x8d);
mtw_bbp_write(sc, 159, 0xe0);
mtw_write(sc, MTW_MAC_SYS_CTRL, tmp);
return 0;
}
int
mtw_wlan_enable(struct mtw_softc *sc, int enable)
{
uint32_t tmp;
int error = 0;
if (enable) {
mtw_read(sc, MTW_WLAN_CTRL, &tmp);
if (sc->asic_ver == 0x7612)
tmp &= ~0xfffff000;
tmp &= ~MTW_WLAN_CLK_EN;
tmp |= MTW_WLAN_EN;
mtw_write(sc, MTW_WLAN_CTRL, tmp);
usbd_delay_ms(sc->sc_udev, 2);
tmp |= MTW_WLAN_CLK_EN;
if (sc->asic_ver == 0x7612) {
tmp |= (MTW_WLAN_RESET | MTW_WLAN_RESET_RF);
}
mtw_write(sc, MTW_WLAN_CTRL, tmp);
usbd_delay_ms(sc->sc_udev, 2);
mtw_read(sc, MTW_OSC_CTRL, &tmp);
tmp |= MTW_OSC_EN;
mtw_write(sc, MTW_OSC_CTRL, tmp);
tmp |= MTW_OSC_CAL_REQ;
mtw_write(sc, MTW_OSC_CTRL, tmp);
} else {
mtw_read(sc, MTW_WLAN_CTRL, &tmp);
tmp &= ~(MTW_WLAN_CLK_EN | MTW_WLAN_EN);
mtw_write(sc, MTW_WLAN_CTRL, tmp);
mtw_read(sc, MTW_OSC_CTRL, &tmp);
tmp &= ~MTW_OSC_EN;
mtw_write(sc, MTW_OSC_CTRL, tmp);
}
return error;
}
int
mtw_txrx_enable(struct mtw_softc *sc)
{
uint32_t tmp;
int error, ntries;
mtw_write(sc, MTW_MAC_SYS_CTRL, MTW_MAC_TX_EN);
for (ntries = 0; ntries < 200; ntries++) {
if ((error = mtw_read(sc, MTW_WPDMA_GLO_CFG, &tmp)) != 0)
return error;
if ((tmp & (MTW_TX_DMA_BUSY | MTW_RX_DMA_BUSY)) == 0)
break;
DELAY(1000);
}
if (ntries == 200)
return ETIMEDOUT;
DELAY(50);
tmp |= MTW_RX_DMA_EN | MTW_TX_DMA_EN | MTW_TX_WB_DDONE;
mtw_write(sc, MTW_WPDMA_GLO_CFG, tmp);
tmp = MTW_USB_TX_EN | MTW_USB_RX_EN | MTW_USB_RX_AGG_EN |
MTW_USB_RX_AGG_TO(128) | MTW_USB_RX_AGG_LMT(2);
mtw_write(sc, MTW_USB_DMA_CFG, tmp);
tmp = MTW_DROP_CRC_ERR | MTW_DROP_PHY_ERR;
if (sc->sc_ic.ic_opmode != IEEE80211_M_MONITOR) {
tmp |= MTW_DROP_UC_NOME | MTW_DROP_DUPL |
MTW_DROP_CTS | MTW_DROP_BA | MTW_DROP_ACK |
MTW_DROP_VER_ERR | MTW_DROP_CTRL_RSV |
MTW_DROP_CFACK | MTW_DROP_CFEND;
if (sc->sc_ic.ic_opmode == IEEE80211_M_STA)
tmp |= MTW_DROP_RTS | MTW_DROP_PSPOLL;
}
mtw_write(sc, MTW_RX_FILTR_CFG, tmp);
mtw_write(sc, MTW_MAC_SYS_CTRL,
MTW_MAC_RX_EN | MTW_MAC_TX_EN);
return 0;
}
int
mtw_init(struct ifnet *ifp)
{
struct mtw_softc *sc = ifp->if_softc;
struct ieee80211com *ic = &sc->sc_ic;
uint32_t tmp;
int i, error, ridx, ntries, qid;
if (usbd_is_dying(sc->sc_udev))
return ENXIO;
for (qid = 0; qid < MTW_TXQ_COUNT; qid++) {
if ((error = mtw_alloc_tx_ring(sc, qid)) != 0)
goto fail;
}
if ((error = mtw_alloc_rx_ring(sc, 0)) != 0)
goto fail;
sc->cmdq.cur = sc->cmdq.next = sc->cmdq.queued = 0;
for (ntries = 0; ntries < 100; ntries++) {
if ((error = mtw_read(sc, MTW_WPDMA_GLO_CFG, &tmp)) != 0)
goto fail;
if ((tmp & (MTW_TX_DMA_BUSY | MTW_RX_DMA_BUSY)) == 0)
break;
DELAY(1000);
}
if (ntries == 100) {
printf("%s: timeout waiting for DMA engine\n",
sc->sc_dev.dv_xname);
error = ETIMEDOUT;
goto fail;
}
tmp &= 0xff0;
tmp |= MTW_TX_WB_DDONE;
mtw_write(sc, MTW_WPDMA_GLO_CFG, tmp);
mtw_write(sc, MTW_MAC_SYS_CTRL, MTW_BBP_HRST | MTW_MAC_SRST);
mtw_write(sc, MTW_USB_DMA_CFG, 0);
mtw_write(sc, MTW_MAC_SYS_CTRL, 0);
if (sc->mac_ver == 0x7601) {
for (i = 0; i < nitems(mt7601_def_mac); i++)
mtw_write(sc, mt7601_def_mac[i].reg,
mt7601_def_mac[i].val);
}
for (ntries = 0; ntries < 100; ntries++) {
if ((error = mtw_read(sc, MTW_MAC_STATUS_REG, &tmp)) != 0)
goto fail;
if (!(tmp & (MTW_RX_STATUS_BUSY | MTW_TX_STATUS_BUSY)))
break;
DELAY(1000);
}
if (ntries == 100) {
error = ETIMEDOUT;
goto fail;
}
IEEE80211_ADDR_COPY(ic->ic_myaddr, LLADDR(ifp->if_sadl));
mtw_set_macaddr(sc, ic->ic_myaddr);
mtw_set_region_4(sc, MTW_WCID_ATTR(0), 1, 8 * 32);
mtw_write(sc, 0x1648, 0x00830083);
mtw_read(sc, MTW_FCE_L2_STUFF, &tmp);
tmp &= ~MTW_L2S_WR_MPDU_LEN_EN;
mtw_write(sc, MTW_FCE_L2_STUFF, tmp);
mtw_set_txrts(sc);
mtw_write(sc, MTW_BBP_CSR, 0);
mtw_write(sc, MTW_H2M_MAILBOX, 0);
mtw_set_region_4(sc, MTW_WCID_ENTRY(0), 0xffffffff, 512);
mtw_abort_tsf_sync(sc);
mtw_read(sc, MTW_US_CYC_CNT, &tmp);
tmp = (tmp & ~0xff);
if (sc->mac_ver == 0x7601)
tmp |= 0x1e;
mtw_write(sc, MTW_US_CYC_CNT, tmp);
mtw_set_region_4(sc, MTW_SKEY(0, 0), 0, 8 * 32);
mtw_set_region_4(sc, MTW_IVEIV(0), 0, 8 * 32);
mtw_write(sc, MTW_SKEY_MODE_0_7, 0);
mtw_write(sc, MTW_SKEY_MODE_8_15, 0);
mtw_write(sc, MTW_TXOP_CTRL_CFG, 0x0000583f);
for (ridx = 0; ridx < 5; ridx++) {
if (sc->txpow20mhz[ridx] == 0xffffffff)
continue;
mtw_write(sc, MTW_TX_PWR_CFG(ridx), sc->txpow20mhz[ridx]);
}
mtw_write(sc, MTW_TX_PWR_CFG7, 0);
mtw_write(sc, MTW_TX_PWR_CFG9, 0);
mtw_read(sc, MTW_CMB_CTRL, &tmp);
tmp &= ~(1 << 18 | 1 << 14);
mtw_write(sc, MTW_CMB_CTRL, tmp);
mtw_write(sc, MTW_USB_DMA_CFG, MTW_USB_TX_EN | MTW_USB_RX_EN |
MTW_USB_RX_AGG_EN | MTW_USB_TX_CLEAR | MTW_USB_TXOP_HALT |
MTW_USB_RX_WL_DROP);
usbd_delay_ms(sc->sc_udev, 50);
mtw_read(sc, MTW_USB_DMA_CFG, &tmp);
tmp &= ~(MTW_USB_TX_CLEAR | MTW_USB_TXOP_HALT |
MTW_USB_RX_WL_DROP);
mtw_write(sc, MTW_USB_DMA_CFG, tmp);
mtw_mcu_radio(sc, 0x31, 0);
if (sc->mac_ver == 0x7601)
mt7601_rf_init(sc);
if (sc->mac_ver == 0x7601)
error = mt7601_bbp_init(sc);
if (error != 0) {
printf("%s: could not initialize BBP\n", sc->sc_dev.dv_xname);
goto fail;
}
if (sc->mac_ver == 0x7601)
error = mt7601_rf_setup(sc);
if (error != 0) {
printf("%s: could not initialize RF\n", sc->sc_dev.dv_xname);
goto fail;
}
ic->ic_bss->ni_chan = ic->ic_ibss_chan;
mtw_set_chan(sc, ic->ic_ibss_chan);
for (i = 0; i < MTW_RX_RING_COUNT; i++) {
struct mtw_rx_data *data = &sc->rxq[MTW_RXQ_WLAN].data[i];
usbd_setup_xfer(data->xfer, sc->rxq[MTW_RXQ_WLAN].pipeh,
data, data->buf,
MTW_MAX_RXSZ, USBD_SHORT_XFER_OK | USBD_NO_COPY,
USBD_NO_TIMEOUT, mtw_rxeof);
error = usbd_transfer(data->xfer);
if (error != 0 && error != USBD_IN_PROGRESS)
goto fail;
}
if ((error = mtw_txrx_enable(sc)) != 0)
goto fail;
mtw_set_leds(sc, MTW_LED_MODE_ON);
ifp->if_flags |= IFF_RUNNING;
ifq_clr_oactive(&ifp->if_snd);
if (ic->ic_flags & IEEE80211_F_WEPON) {
for (i = 0; i < IEEE80211_WEP_NKID; i++) {
if (ic->ic_nw_keys[i].k_cipher != IEEE80211_CIPHER_NONE)
(void)mtw_set_key(ic, NULL, &ic->ic_nw_keys[i]);
}
}
if (ic->ic_opmode == IEEE80211_M_MONITOR)
ieee80211_new_state(ic, IEEE80211_S_RUN, -1);
else
ieee80211_new_state(ic, IEEE80211_S_SCAN, -1);
if (error != 0)
fail: mtw_stop(ifp, 1);
return error;
}
void
mtw_stop(struct ifnet *ifp, int disable)
{
struct mtw_softc *sc = ifp->if_softc;
struct ieee80211com *ic = &sc->sc_ic;
uint32_t tmp;
int s, ntries, error, qid;
if (ifp->if_flags & IFF_RUNNING)
mtw_set_leds(sc, MTW_LED_MODE_ON);
sc->sc_tx_timer = 0;
ifp->if_timer = 0;
ifp->if_flags &= ~IFF_RUNNING;
ifq_clr_oactive(&ifp->if_snd);
timeout_del(&sc->scan_to);
timeout_del(&sc->calib_to);
s = splusb();
ieee80211_new_state(ic, IEEE80211_S_INIT, -1);
usb_wait_task(sc->sc_udev, &sc->sc_task);
splx(s);
mtw_read(sc, MTW_WPDMA_GLO_CFG, &tmp);
tmp &= ~(MTW_RX_DMA_EN | MTW_TX_DMA_EN);
mtw_write(sc, MTW_WPDMA_GLO_CFG, tmp);
mtw_usb_dma_write(sc, 0);
for (ntries = 0; ntries < 100; ntries++) {
if (mtw_read(sc, MTW_WPDMA_GLO_CFG, &tmp) != 0)
break;
if ((tmp & (MTW_TX_DMA_BUSY | MTW_RX_DMA_BUSY)) == 0)
break;
DELAY(10);
}
if (ntries == 100) {
printf("%s: timeout waiting for DMA engine\n",
sc->sc_dev.dv_xname);
}
mtw_read(sc, MTW_MAC_SYS_CTRL, &tmp);
tmp &= ~(MTW_MAC_RX_EN | MTW_MAC_TX_EN);
mtw_write(sc, MTW_MAC_SYS_CTRL, tmp);
mtw_read(sc, MTW_TX_RTS_CFG, &tmp);
tmp &= ~0xff;
mtw_write(sc, MTW_TX_RTS_CFG, tmp);
mtw_read(sc, MTW_US_CYC_CNT, &tmp);
tmp = (tmp & ~0xff);
mtw_write(sc, MTW_US_CYC_CNT, tmp);
mtw_read(sc, MTW_PBF_CFG, &tmp);
tmp &= ~0x3;
mtw_write(sc, MTW_PBF_CFG, tmp);
for (ntries = 0; ntries < 100; ntries++) {
if ((error = mtw_read(sc, MTW_TXRXQ_PCNT, &tmp)) != 0)
break;
if ((tmp & MTW_TX2Q_PCNT_MASK) == 0)
break;
}
DELAY(1000);
for (qid = 0; qid < 4; qid++) {
mtw_read(sc, MTW_SKEY_MODE_0_7, &tmp);
tmp &= ~(0xf << qid * 4);
mtw_write(sc, MTW_SKEY_MODE_0_7, tmp);
}
if (disable) {
error = mtw_mcu_radio(sc, 0x30, 0x1);
usbd_delay_ms(sc->sc_udev, 10);
}
sc->qfullmsk = 0;
for (qid = 0; qid < MTW_TXQ_COUNT; qid++)
mtw_free_tx_ring(sc, qid);
mtw_free_rx_ring(sc, 0);
}
