svn commit: r258732 - head/sys/dev/usb/wlan
Kevin Lo
kevlo at FreeBSD.org
Fri Nov 29 06:10:44 UTC 2013
Author: kevlo
Date: Fri Nov 29 06:10:44 2013
New Revision: 258732
URL: http://svnweb.freebsd.org/changeset/base/258732
Log:
On the RT2870, rf registers are now 64-bit, not 32-bit after r257955.
Committed over a Buffalo WLI-UC-AG300N (RT2870).
Modified:
head/sys/dev/usb/wlan/if_run.c
Modified: head/sys/dev/usb/wlan/if_run.c
==============================================================================
--- head/sys/dev/usb/wlan/if_run.c Fri Nov 29 05:00:07 2013 (r258731)
+++ head/sys/dev/usb/wlan/if_run.c Fri Nov 29 06:10:44 2013 (r258732)
@@ -1293,10 +1293,7 @@ run_rt2870_rf_write(struct run_softc *sc
if (ntries == 10)
return (ETIMEDOUT);
- /* RF registers are 24-bit on the RT2860 */
- tmp = RT2860_RF_REG_CTRL | 24 << RT2860_RF_REG_WIDTH_SHIFT |
- (val & 0x3fffff) << 2 | (reg & 3);
- return (run_write(sc, RT2860_RF_CSR_CFG0, tmp));
+ return (run_write(sc, RT2860_RF_CSR_CFG0, val));
}
static int
@@ -3649,45 +3646,61 @@ run_rt2870_set_chan(struct run_softc *sc
r2 = rfprog[i].r2;
if (sc->ntxchains == 1)
- r2 |= 1 << 12; /* 1T: disable Tx chain 2 */
+ r2 |= 1 << 14; /* 1T: disable Tx chain 2 */
if (sc->nrxchains == 1)
- r2 |= 1 << 15 | 1 << 4; /* 1R: disable Rx chains 2 & 3 */
+ r2 |= 1 << 17 | 1 << 6; /* 1R: disable Rx chains 2 & 3 */
else if (sc->nrxchains == 2)
- r2 |= 1 << 4; /* 2R: disable Rx chain 3 */
+ r2 |= 1 << 6; /* 2R: disable Rx chain 3 */
/* use Tx power values from EEPROM */
txpow1 = sc->txpow1[i];
txpow2 = sc->txpow2[i];
+
+ /* Initialize RF R3 and R4. */
+ r3 = rfprog[i].r3 & 0xffffc1ff;
+ r4 = (rfprog[i].r4 & ~(0x001f87c0)) | (sc->freq << 15);
if (chan > 14) {
- if (txpow1 >= 0)
- txpow1 = txpow1 << 1 | 1;
- else
- txpow1 = (7 + txpow1) << 1;
- if (txpow2 >= 0)
- txpow2 = txpow2 << 1 | 1;
- else
- txpow2 = (7 + txpow2) << 1;
+ if (txpow1 >= 0) {
+ txpow1 = (txpow1 > 0xf) ? (0xf) : (txpow1);
+ r3 |= (txpow1 << 10) | (1 << 9);
+ } else {
+ txpow1 += 7;
+
+ /* txpow1 is not possible larger than 15. */
+ r3 |= (txpow1 << 10);
+ }
+ if (txpow2 >= 0) {
+ txpow2 = (txpow2 > 0xf) ? (0xf) : (txpow2);
+ r4 |= (txpow1 << 7) | (1 << 6);
+ } else {
+ txpow2 += 7;
+ r4 |= (txpow2 << 7);
+ }
+ } else {
+ /* Set Tx0 power. */
+ r3 |= (txpow1 << 9);
+
+ /* Set frequency offset and Tx1 power. */
+ r4 |= (txpow2 << 6);
}
- r3 = rfprog[i].r3 | txpow1 << 7;
- r4 = rfprog[i].r4 | sc->freq << 13 | txpow2 << 4;
run_rt2870_rf_write(sc, RT2860_RF1, rfprog[i].r1);
run_rt2870_rf_write(sc, RT2860_RF2, r2);
- run_rt2870_rf_write(sc, RT2860_RF3, r3);
+ run_rt2870_rf_write(sc, RT2860_RF3, r3 & ~(1 << 2));
run_rt2870_rf_write(sc, RT2860_RF4, r4);
run_delay(sc, 10);
run_rt2870_rf_write(sc, RT2860_RF1, rfprog[i].r1);
run_rt2870_rf_write(sc, RT2860_RF2, r2);
- run_rt2870_rf_write(sc, RT2860_RF3, r3 | 1);
+ run_rt2870_rf_write(sc, RT2860_RF3, r3 | (1 << 2));
run_rt2870_rf_write(sc, RT2860_RF4, r4);
run_delay(sc, 10);
run_rt2870_rf_write(sc, RT2860_RF1, rfprog[i].r1);
run_rt2870_rf_write(sc, RT2860_RF2, r2);
- run_rt2870_rf_write(sc, RT2860_RF3, r3);
+ run_rt2870_rf_write(sc, RT2860_RF3, r3 & ~(1 << 2));
run_rt2870_rf_write(sc, RT2860_RF4, r4);
}
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