xref: /freebsd-current/sys/dev/rtwn/rtl8192c/r92c_attach.c

/*	$OpenBSD: if_urtwn.c,v 1.16 2011/02/10 17:26:40 jakemsr Exp $	*/

/*-
 * Copyright (c) 2010 Damien Bergamini <damien.bergamini@free.fr>
 * Copyright (c) 2014 Kevin Lo <kevlo@FreeBSD.org>
 * Copyright (c) 2016 Andriy Voskoboinyk <avos@FreeBSD.org>
 *
 * 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.
 */

#include <sys/cdefs.h>
#include "opt_wlan.h"

#include <sys/param.h>
#include <sys/lock.h>
#include <sys/mutex.h>
#include <sys/mbuf.h>
#include <sys/kernel.h>
#include <sys/socket.h>
#include <sys/systm.h>
#include <sys/malloc.h>
#include <sys/queue.h>
#include <sys/taskqueue.h>
#include <sys/bus.h>
#include <sys/endian.h>
#include <sys/linker.h>

#include <net/if.h>
#include <net/ethernet.h>
#include <net/if_media.h>

#include <net80211/ieee80211_var.h>
#include <net80211/ieee80211_radiotap.h>

#include <dev/rtwn/if_rtwnreg.h>
#include <dev/rtwn/if_rtwnvar.h>

#include <dev/rtwn/rtl8192c/r92c.h>
#include <dev/rtwn/rtl8192c/r92c_reg.h>
#include <dev/rtwn/rtl8192c/r92c_var.h>

void
r92c_detach_private(struct rtwn_softc *sc)
{
	struct r92c_softc *rs = sc->sc_priv;

	free(rs, M_RTWN_PRIV);
}

void
r92c_read_chipid_vendor(struct rtwn_softc *sc, uint32_t reg_sys_cfg)
{
	struct r92c_softc *rs = sc->sc_priv;

	if (reg_sys_cfg & R92C_SYS_CFG_TYPE_92C) {
		rs->chip |= R92C_CHIP_92C;
		/* Check if it is a castrated 8192C. */
		if (MS(rtwn_read_4(sc, R92C_HPON_FSM),
		    R92C_HPON_FSM_CHIP_BONDING_ID) ==
		    R92C_HPON_FSM_CHIP_BONDING_ID_92C_1T2R)
			rs->chip |= R92C_CHIP_92C_1T2R;
	}
	if (reg_sys_cfg & R92C_SYS_CFG_VENDOR_UMC) {
		if (MS(reg_sys_cfg, R92C_SYS_CFG_CHIP_VER_RTL) == 0)
			rs->chip |= R92C_CHIP_UMC_A_CUT;
	}
}