svn commit: r288503 - head/sys/dev/usb/wlan
Adrian Chadd
adrian at FreeBSD.org
Fri Oct 2 15:28:45 UTC 2015
Author: adrian
Date: Fri Oct 2 15:28:44 2015
New Revision: 288503
URL: https://svnweb.freebsd.org/changeset/base/288503
Log:
rum(4): create few wrappers.
Tested:
rum0: <Belkin Belkin 54g USB Network Adapter, class 0/0, rev 2.00/0.01, addr 22> on usbus0
rum0: MAC/BBP RT2573 (rev 0x2573a), RF RT2528
Submitted by: <s3erios at gmail.com>
Differential Revision: https://reviews.freebsd.org/D3609
Modified:
head/sys/dev/usb/wlan/if_rum.c
Modified: head/sys/dev/usb/wlan/if_rum.c
==============================================================================
--- head/sys/dev/usb/wlan/if_rum.c Fri Oct 2 15:26:33 2015 (r288502)
+++ head/sys/dev/usb/wlan/if_rum.c Fri Oct 2 15:28:44 2015 (r288503)
@@ -186,6 +186,10 @@ static void rum_read_multi(struct rum_s
static usb_error_t rum_write(struct rum_softc *, uint16_t, uint32_t);
static usb_error_t rum_write_multi(struct rum_softc *, uint16_t, void *,
size_t);
+static usb_error_t rum_setbits(struct rum_softc *, uint16_t, uint32_t);
+static usb_error_t rum_clrbits(struct rum_softc *, uint16_t, uint32_t);
+static usb_error_t rum_modbits(struct rum_softc *, uint16_t, uint32_t,
+ uint32_t);
static int rum_bbp_busy(struct rum_softc *);
static void rum_bbp_write(struct rum_softc *, uint8_t, uint8_t);
static uint8_t rum_bbp_read(struct rum_softc *, uint8_t);
@@ -1411,6 +1415,24 @@ rum_write_multi(struct rum_softc *sc, ui
return (USB_ERR_NORMAL_COMPLETION);
}
+static usb_error_t
+rum_setbits(struct rum_softc *sc, uint16_t reg, uint32_t mask)
+{
+ return (rum_write(sc, reg, rum_read(sc, reg) | mask));
+}
+
+static usb_error_t
+rum_clrbits(struct rum_softc *sc, uint16_t reg, uint32_t mask)
+{
+ return (rum_write(sc, reg, rum_read(sc, reg) & ~mask));
+}
+
+static usb_error_t
+rum_modbits(struct rum_softc *sc, uint16_t reg, uint32_t set, uint32_t unset)
+{
+ return (rum_write(sc, reg, (rum_read(sc, reg) & ~unset) | set));
+}
+
static int
rum_bbp_busy(struct rum_softc *sc)
{
@@ -1528,31 +1550,25 @@ static void
rum_enable_mrr(struct rum_softc *sc)
{
struct ieee80211com *ic = &sc->sc_ic;
- uint32_t tmp;
-
- tmp = rum_read(sc, RT2573_TXRX_CSR4);
-
- tmp &= ~RT2573_MRR_CCK_FALLBACK;
- if (!IEEE80211_IS_CHAN_5GHZ(ic->ic_bsschan))
- tmp |= RT2573_MRR_CCK_FALLBACK;
- tmp |= RT2573_MRR_ENABLED;
- rum_write(sc, RT2573_TXRX_CSR4, tmp);
+ if (!IEEE80211_IS_CHAN_5GHZ(ic->ic_bsschan)) {
+ rum_setbits(sc, RT2573_TXRX_CSR4,
+ RT2573_MRR_ENABLED | RT2573_MRR_CCK_FALLBACK);
+ } else {
+ rum_modbits(sc, RT2573_TXRX_CSR4,
+ RT2573_MRR_ENABLED, RT2573_MRR_CCK_FALLBACK);
+ }
}
static void
rum_set_txpreamble(struct rum_softc *sc)
{
struct ieee80211com *ic = &sc->sc_ic;
- uint32_t tmp;
-
- tmp = rum_read(sc, RT2573_TXRX_CSR4);
- tmp &= ~RT2573_SHORT_PREAMBLE;
if (ic->ic_flags & IEEE80211_F_SHPREAMBLE)
- tmp |= RT2573_SHORT_PREAMBLE;
-
- rum_write(sc, RT2573_TXRX_CSR4, tmp);
+ rum_setbits(sc, RT2573_TXRX_CSR4, RT2573_SHORT_PREAMBLE);
+ else
+ rum_clrbits(sc, RT2573_TXRX_CSR4, RT2573_SHORT_PREAMBLE);
}
static void
@@ -1581,7 +1597,6 @@ static void
rum_select_band(struct rum_softc *sc, struct ieee80211_channel *c)
{
uint8_t bbp17, bbp35, bbp96, bbp97, bbp98, bbp104;
- uint32_t tmp;
/* update all BBP registers that depend on the band */
bbp17 = 0x20; bbp96 = 0x48; bbp104 = 0x2c;
@@ -1611,13 +1626,13 @@ rum_select_band(struct rum_softc *sc, st
rum_bbp_write(sc, 97, bbp97);
rum_bbp_write(sc, 98, bbp98);
- tmp = rum_read(sc, RT2573_PHY_CSR0);
- tmp &= ~(RT2573_PA_PE_2GHZ | RT2573_PA_PE_5GHZ);
- if (IEEE80211_IS_CHAN_2GHZ(c))
- tmp |= RT2573_PA_PE_2GHZ;
- else
- tmp |= RT2573_PA_PE_5GHZ;
- rum_write(sc, RT2573_PHY_CSR0, tmp);
+ if (IEEE80211_IS_CHAN_2GHZ(c)) {
+ rum_modbits(sc, RT2573_PHY_CSR0, RT2573_PA_PE_2GHZ,
+ RT2573_PA_PE_5GHZ);
+ } else {
+ rum_modbits(sc, RT2573_PHY_CSR0, RT2573_PA_PE_5GHZ,
+ RT2573_PA_PE_2GHZ);
+ }
}
static void
@@ -1728,18 +1743,14 @@ rum_enable_tsf_sync(struct rum_softc *sc
static void
rum_enable_tsf(struct rum_softc *sc)
{
- rum_write(sc, RT2573_TXRX_CSR9,
- (rum_read(sc, RT2573_TXRX_CSR9) & 0xff000000) |
- RT2573_TSF_TICKING | RT2573_TSF_MODE(2));
+ rum_modbits(sc, RT2573_TXRX_CSR9,
+ RT2573_TSF_TICKING | RT2573_TSF_MODE(2), 0x00ffffff);
}
static void
rum_abort_tsf_sync(struct rum_softc *sc)
{
- uint32_t tmp;
-
- tmp = rum_read(sc, RT2573_TXRX_CSR9);
- rum_write(sc, RT2573_TXRX_CSR9, tmp & ~0x00ffffff);
+ rum_clrbits(sc, RT2573_TXRX_CSR9, 0x00ffffff);
}
static void
@@ -1747,13 +1758,10 @@ rum_update_slot(struct rum_softc *sc)
{
struct ieee80211com *ic = &sc->sc_ic;
uint8_t slottime;
- uint32_t tmp;
slottime = (ic->ic_flags & IEEE80211_F_SHSLOT) ? 9 : 20;
- tmp = rum_read(sc, RT2573_MAC_CSR9);
- tmp = (tmp & ~0xff) | slottime;
- rum_write(sc, RT2573_MAC_CSR9, tmp);
+ rum_modbits(sc, RT2573_MAC_CSR9, slottime, 0xff);
DPRINTF("setting slot time to %uus\n", slottime);
}
@@ -1785,17 +1793,14 @@ rum_set_macaddr(struct rum_softc *sc, co
static void
rum_setpromisc(struct rum_softc *sc)
{
- uint32_t tmp;
-
- tmp = rum_read(sc, RT2573_TXRX_CSR0);
-
- tmp &= ~RT2573_DROP_NOT_TO_ME;
- if (sc->sc_ic.ic_promisc == 0)
- tmp |= RT2573_DROP_NOT_TO_ME;
+ struct ieee80211com *ic = &sc->sc_ic;
- rum_write(sc, RT2573_TXRX_CSR0, tmp);
+ if (ic->ic_promisc == 0)
+ rum_setbits(sc, RT2573_TXRX_CSR0, RT2573_DROP_NOT_TO_ME);
+ else
+ rum_clrbits(sc, RT2573_TXRX_CSR0, RT2573_DROP_NOT_TO_ME);
- DPRINTF("%s promiscuous mode\n", sc->sc_ic.ic_promisc > 0 ?
+ DPRINTF("%s promiscuous mode\n", ic->ic_promisc > 0 ?
"entering" : "leaving");
}
@@ -2033,7 +2038,6 @@ fail: rum_stop(sc);
static void
rum_stop(struct rum_softc *sc)
{
- uint32_t tmp;
RUM_LOCK_ASSERT(sc, MA_OWNED);
@@ -2052,8 +2056,7 @@ rum_stop(struct rum_softc *sc)
rum_unsetup_tx_list(sc);
/* disable Rx */
- tmp = rum_read(sc, RT2573_TXRX_CSR0);
- rum_write(sc, RT2573_TXRX_CSR0, tmp | RT2573_DISABLE_RX);
+ rum_setbits(sc, RT2573_TXRX_CSR0, RT2573_DISABLE_RX);
/* reset ASIC */
rum_write(sc, RT2573_MAC_CSR1, 3);
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