1 /*- 2 * Copyright (c) 2016 Andriy Voskoboinyk <avos@FreeBSD.org> 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 */ 26 27 #include <sys/cdefs.h> 28 __FBSDID("$FreeBSD$"); 29 30 #include "opt_wlan.h" 31 32 #include <sys/param.h> 33 #include <sys/lock.h> 34 #include <sys/mutex.h> 35 #include <sys/mbuf.h> 36 #include <sys/kernel.h> 37 #include <sys/socket.h> 38 #include <sys/systm.h> 39 #include <sys/malloc.h> 40 #include <sys/queue.h> 41 #include <sys/taskqueue.h> 42 #include <sys/bus.h> 43 #include <sys/endian.h> 44 #include <sys/linker.h> 45 46 #include <net/if.h> 47 #include <net/ethernet.h> 48 #include <net/if_media.h> 49 50 #include <net80211/ieee80211_var.h> 51 #include <net80211/ieee80211_radiotap.h> 52 53 #include <dev/rtwn/if_rtwnvar.h> 54 55 #include <dev/rtwn/usb/rtwn_usb_var.h> 56 57 #include <dev/rtwn/rtl8192c/usb/r92cu.h> 58 59 #include <dev/rtwn/rtl8821a/usb/r21au.h> 60 #include <dev/rtwn/rtl8821a/usb/r21au_reg.h> 61 62 63 void 64 r21au_init_tx_agg(struct rtwn_softc *sc) 65 { 66 struct rtwn_usb_softc *uc = RTWN_USB_SOFTC(sc); 67 68 r92cu_init_tx_agg(sc); 69 70 rtwn_write_1(sc, R21A_DWBCN1_CTRL, uc->tx_agg_desc_num << 1); 71 } 72 73 void 74 r21au_init_burstlen(struct rtwn_softc *sc) 75 { 76 if ((rtwn_read_1(sc, R92C_USB_INFO) & 0x30) == 0) { 77 /* Set burst packet length to 512 B. */ 78 rtwn_setbits_1(sc, R12A_RXDMA_PRO, 0x20, 0x1e); 79 } else { 80 /* Set burst packet length to 64 B. */ 81 rtwn_setbits_1(sc, R12A_RXDMA_PRO, 0x10, 0x2e); 82 } 83 } 84