[net-next-2.6.git] / drivers / staging / brcm80211 / sys / wlc_antsel.c

/*
 * Copyright (c) 2010 Broadcom Corporation
 *
 * Permission to use, copy, modify, and/or 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 <wlc_cfg.h>

#ifdef WLANTSEL

#include <typedefs.h>
#include <linux/kernel.h>
#include <linuxver.h>
#include <bcmdefs.h>
#include <osl.h>
#include <bcmutils.h>
#include <siutils.h>
#include <wlioctl.h>

#include <d11.h>
#include <wlc_rate.h>
#include <wlc_key.h>
#include <wlc_pub.h>
#include <wl_dbg.h>
#include <wlc_mac80211.h>
#include <wlc_bmac.h>
#include <wlc_phy_hal.h>
#include <wl_export.h>
#include <wlc_antsel.h>
#include <wlc_phy_shim.h>

/* useful macros */
#define WLC_ANTSEL_11N_0(ant)	((((ant) & ANT_SELCFG_MASK) >> 4) & 0xf)
#define WLC_ANTSEL_11N_1(ant)	(((ant) & ANT_SELCFG_MASK) & 0xf)
#define WLC_ANTIDX_11N(ant)	(((WLC_ANTSEL_11N_0(ant)) << 2) + (WLC_ANTSEL_11N_1(ant)))
#define WLC_ANT_ISAUTO_11N(ant)	(((ant) & ANT_SELCFG_AUTO) == ANT_SELCFG_AUTO)
#define WLC_ANTSEL_11N(ant)	((ant) & ANT_SELCFG_MASK)

/* antenna switch */
/* defines for no boardlevel antenna diversity */
#define ANT_SELCFG_DEF_2x2	0x01	/* default antenna configuration */

/* 2x3 antdiv defines and tables for GPIO communication */
#define ANT_SELCFG_NUM_2x3	3
#define ANT_SELCFG_DEF_2x3	0x01	/* default antenna configuration */

/* 2x4 antdiv rev4 defines and tables for GPIO communication */
#define ANT_SELCFG_NUM_2x4	4
#define ANT_SELCFG_DEF_2x4	0x02	/* default antenna configuration */

/* static functions */
static int wlc_antsel_cfgupd(antsel_info_t *asi, wlc_antselcfg_t *antsel);
static u8 wlc_antsel_id2antcfg(antsel_info_t *asi, u8 id);
static u16 wlc_antsel_antcfg2antsel(antsel_info_t *asi, u8 ant_cfg);
static void wlc_antsel_init_cfg(antsel_info_t *asi, wlc_antselcfg_t *antsel,
				bool auto_sel);

const u16 mimo_2x4_div_antselpat_tbl[] = {
	0, 0, 0x9, 0xa,		/* ant0: 0 ant1: 2,3 */
	0, 0, 0x5, 0x6,		/* ant0: 1 ant1: 2,3 */
	0, 0, 0, 0,		/* n.a.              */
	0, 0, 0, 0		/* n.a.              */
};

const u8 mimo_2x4_div_antselid_tbl[16] = {
	0, 0, 0, 0, 0, 2, 3, 0,
	0, 0, 1, 0, 0, 0, 0, 0	/* pat to antselid */
};

const u16 mimo_2x3_div_antselpat_tbl[] = {
	16, 0, 1, 16,		/* ant0: 0 ant1: 1,2 */
	16, 16, 16, 16,		/* n.a.              */
	16, 2, 16, 16,		/* ant0: 2 ant1: 1   */
	16, 16, 16, 16		/* n.a.              */
};

const u8 mimo_2x3_div_antselid_tbl[16] = {
	0, 1, 2, 0, 0, 0, 0, 0,
	0, 0, 0, 0, 0, 0, 0, 0	/* pat to antselid */
};

antsel_info_t *BCMNMIATTACHFN(wlc_antsel_attach) (wlc_info_t *wlc, osl_t *osh,
						  wlc_pub_t *pub,
						  wlc_hw_info_t *wlc_hw) {
	antsel_info_t *asi;

	asi = (antsel_info_t *) MALLOC(osh, sizeof(antsel_info_t));
	if (!asi) {
		WL_ERROR(("wl%d: wlc_antsel_attach: out of mem, malloced %d bytes\n", pub->unit, MALLOCED(osh)));
		return NULL;
	}

	bzero((char *)asi, sizeof(antsel_info_t));

	asi->wlc = wlc;
	asi->pub = pub;
	asi->antsel_type = ANTSEL_NA;
	asi->antsel_avail = FALSE;
	asi->antsel_antswitch = (u8) getintvar(asi->pub->vars, "antswitch");

	if ((asi->pub->sromrev >= 4) && (asi->antsel_antswitch != 0)) {
		switch (asi->antsel_antswitch) {
		case ANTSWITCH_TYPE_1:
		case ANTSWITCH_TYPE_2:
		case ANTSWITCH_TYPE_3:
			/* 4321/2 board with 2x3 switch logic */
			asi->antsel_type = ANTSEL_2x3;
			/* Antenna selection availability */
			if (((u16) getintvar(asi->pub->vars, "aa2g") == 7) ||
			    ((u16) getintvar(asi->pub->vars, "aa5g") == 7)) {
				asi->antsel_avail = TRUE;
			} else
			    if (((u16) getintvar(asi->pub->vars, "aa2g") ==
				 3)
				|| ((u16) getintvar(asi->pub->vars, "aa5g")
				    == 3)) {
				asi->antsel_avail = FALSE;
			} else {
				asi->antsel_avail = FALSE;
				WL_ERROR(("wlc_antsel_attach: 2o3 board cfg invalid\n"));
				ASSERT(0);
			}
			break;
		default:
			break;
		}
	} else if ((asi->pub->sromrev == 4) &&
		   ((u16) getintvar(asi->pub->vars, "aa2g") == 7) &&
		   ((u16) getintvar(asi->pub->vars, "aa5g") == 0)) {
		/* hack to match old 4321CB2 cards with 2of3 antenna switch */
		asi->antsel_type = ANTSEL_2x3;
		asi->antsel_avail = TRUE;
	} else if (asi->pub->boardflags2 & BFL2_2X4_DIV) {
		asi->antsel_type = ANTSEL_2x4;
		asi->antsel_avail = TRUE;
	}

	/* Set the antenna selection type for the low driver */
	wlc_bmac_antsel_type_set(wlc_hw, asi->antsel_type);

	/* Init (auto/manual) antenna selection */
	wlc_antsel_init_cfg(asi, &asi->antcfg_11n, TRUE);
	wlc_antsel_init_cfg(asi, &asi->antcfg_cur, TRUE);

	return asi;
}

void wlc_antsel_detach(antsel_info_t *asi)
{
	if (!asi)
		return;

	MFREE(asi->pub->osh, asi, sizeof(antsel_info_t));
}

void wlc_antsel_init(antsel_info_t *asi)
{
	if ((asi->antsel_type == ANTSEL_2x3) ||
	    (asi->antsel_type == ANTSEL_2x4))
		wlc_antsel_cfgupd(asi, &asi->antcfg_11n);
}

/* boardlevel antenna selection: init antenna selection structure */
static void
wlc_antsel_init_cfg(antsel_info_t *asi, wlc_antselcfg_t *antsel,
		    bool auto_sel)
{
	if (asi->antsel_type == ANTSEL_2x3) {
		u8 antcfg_def = ANT_SELCFG_DEF_2x3 |
		    ((asi->antsel_avail && auto_sel) ? ANT_SELCFG_AUTO : 0);
		antsel->ant_config[ANT_SELCFG_TX_DEF] = antcfg_def;
		antsel->ant_config[ANT_SELCFG_TX_UNICAST] = antcfg_def;
		antsel->ant_config[ANT_SELCFG_RX_DEF] = antcfg_def;
		antsel->ant_config[ANT_SELCFG_RX_UNICAST] = antcfg_def;
		antsel->num_antcfg = ANT_SELCFG_NUM_2x3;

	} else if (asi->antsel_type == ANTSEL_2x4) {

		antsel->ant_config[ANT_SELCFG_TX_DEF] = ANT_SELCFG_DEF_2x4;
		antsel->ant_config[ANT_SELCFG_TX_UNICAST] = ANT_SELCFG_DEF_2x4;
		antsel->ant_config[ANT_SELCFG_RX_DEF] = ANT_SELCFG_DEF_2x4;
		antsel->ant_config[ANT_SELCFG_RX_UNICAST] = ANT_SELCFG_DEF_2x4;
		antsel->num_antcfg = ANT_SELCFG_NUM_2x4;

	} else {		/* no antenna selection available */

		antsel->ant_config[ANT_SELCFG_TX_DEF] = ANT_SELCFG_DEF_2x2;
		antsel->ant_config[ANT_SELCFG_TX_UNICAST] = ANT_SELCFG_DEF_2x2;
		antsel->ant_config[ANT_SELCFG_RX_DEF] = ANT_SELCFG_DEF_2x2;
		antsel->ant_config[ANT_SELCFG_RX_UNICAST] = ANT_SELCFG_DEF_2x2;
		antsel->num_antcfg = 0;
	}
}

void BCMFASTPATH
wlc_antsel_antcfg_get(antsel_info_t *asi, bool usedef, bool sel,
		      u8 antselid, u8 fbantselid, u8 *antcfg,
		      u8 *fbantcfg)
{
	u8 ant;

	/* if use default, assign it and return */
	if (usedef) {
		*antcfg = asi->antcfg_11n.ant_config[ANT_SELCFG_TX_DEF];
		*fbantcfg = *antcfg;
		return;
	}

	if (!sel) {
		*antcfg = asi->antcfg_11n.ant_config[ANT_SELCFG_TX_UNICAST];
		*fbantcfg = *antcfg;

	} else {
		ant = asi->antcfg_11n.ant_config[ANT_SELCFG_TX_UNICAST];
		if ((ant & ANT_SELCFG_AUTO) == ANT_SELCFG_AUTO) {
			*antcfg = wlc_antsel_id2antcfg(asi, antselid);
			*fbantcfg = wlc_antsel_id2antcfg(asi, fbantselid);
		} else {
			*antcfg =
			    asi->antcfg_11n.ant_config[ANT_SELCFG_TX_UNICAST];
			*fbantcfg = *antcfg;
		}
	}
	return;
}

/* boardlevel antenna selection: convert mimo_antsel (ucode interface) to id */
u8 wlc_antsel_antsel2id(antsel_info_t *asi, u16 antsel)
{
	u8 antselid = 0;

	if (asi->antsel_type == ANTSEL_2x4) {
		/* 2x4 antenna diversity board, 4 cfgs: 0-2 0-3 1-2 1-3 */
		antselid = mimo_2x4_div_antselid_tbl[(antsel & 0xf)];
		return antselid;

	} else if (asi->antsel_type == ANTSEL_2x3) {
		/* 2x3 antenna selection, 3 cfgs: 0-1 0-2 2-1 */
		antselid = mimo_2x3_div_antselid_tbl[(antsel & 0xf)];
		return antselid;
	}

	return antselid;
}

/* boardlevel antenna selection: convert id to ant_cfg */
static u8 wlc_antsel_id2antcfg(antsel_info_t *asi, u8 id)
{
	u8 antcfg = ANT_SELCFG_DEF_2x2;

	if (asi->antsel_type == ANTSEL_2x4) {
		/* 2x4 antenna diversity board, 4 cfgs: 0-2 0-3 1-2 1-3 */
		antcfg = (((id & 0x2) << 3) | ((id & 0x1) + 2));
		return antcfg;

	} else if (asi->antsel_type == ANTSEL_2x3) {
		/* 2x3 antenna selection, 3 cfgs: 0-1 0-2 2-1 */
		antcfg = (((id & 0x02) << 4) | ((id & 0x1) + 1));
		return antcfg;
	}

	return antcfg;
}

/* boardlevel antenna selection: convert ant_cfg to mimo_antsel (ucode interface) */
static u16 wlc_antsel_antcfg2antsel(antsel_info_t *asi, u8 ant_cfg)
{
	u8 idx = WLC_ANTIDX_11N(WLC_ANTSEL_11N(ant_cfg));
	u16 mimo_antsel = 0;

	if (asi->antsel_type == ANTSEL_2x4) {
		/* 2x4 antenna diversity board, 4 cfgs: 0-2 0-3 1-2 1-3 */
		mimo_antsel = (mimo_2x4_div_antselpat_tbl[idx] & 0xf);
		return mimo_antsel;

	} else if (asi->antsel_type == ANTSEL_2x3) {
		/* 2x3 antenna selection, 3 cfgs: 0-1 0-2 2-1 */
		mimo_antsel = (mimo_2x3_div_antselpat_tbl[idx] & 0xf);
		return mimo_antsel;
	}

	return mimo_antsel;
}

/* boardlevel antenna selection: ucode interface control */
static int wlc_antsel_cfgupd(antsel_info_t *asi, wlc_antselcfg_t *antsel)
{
	wlc_info_t *wlc = asi->wlc;
	u8 ant_cfg;
	u16 mimo_antsel;

	ASSERT(asi->antsel_type != ANTSEL_NA);

	/* 1) Update TX antconfig for all frames that are not unicast data
	 *    (aka default TX)
	 */
	ant_cfg = antsel->ant_config[ANT_SELCFG_TX_DEF];
	mimo_antsel = wlc_antsel_antcfg2antsel(asi, ant_cfg);
	wlc_write_shm(wlc, M_MIMO_ANTSEL_TXDFLT, mimo_antsel);
	/* Update driver stats for currently selected default tx/rx antenna config */
	asi->antcfg_cur.ant_config[ANT_SELCFG_TX_DEF] = ant_cfg;

	/* 2) Update RX antconfig for all frames that are not unicast data
	 *    (aka default RX)
	 */
	ant_cfg = antsel->ant_config[ANT_SELCFG_RX_DEF];
	mimo_antsel = wlc_antsel_antcfg2antsel(asi, ant_cfg);
	wlc_write_shm(wlc, M_MIMO_ANTSEL_RXDFLT, mimo_antsel);
	/* Update driver stats for currently selected default tx/rx antenna config */
	asi->antcfg_cur.ant_config[ANT_SELCFG_RX_DEF] = ant_cfg;

	return 0;
}

#endif				/* WLANTSEL */
Commit	Line	Data
a9533e7e HP	1	/*
	2	* Copyright (c) 2010 Broadcom Corporation
	3	*
	4	* Permission to use, copy, modify, and/or distribute this software for any
	5	* purpose with or without fee is hereby granted, provided that the above
	6	* copyright notice and this permission notice appear in all copies.
	7	*
	8	* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
	9	* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
	10	* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
	11	* SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
	12	* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
	13	* OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
	14	* CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
	15	*/
	16
	17	#include <wlc_cfg.h>
	18
	19	#ifdef WLANTSEL
	20
	21	#include <typedefs.h>
3327989a BR	22	#include <linux/kernel.h>
3327989a BR	23	#include <linuxver.h>
a9533e7e HP	24	#include <bcmdefs.h>
	25	#include <osl.h>
	26	#include <bcmutils.h>
	27	#include <siutils.h>
a9533e7e	28	#include <wlioctl.h>
a9533e7e	29
a9533e7e HP	30	#include <d11.h>
	31	#include <wlc_rate.h>
	32	#include <wlc_key.h>
	33	#include <wlc_pub.h>
a9533e7e HP	34	#include <wl_dbg.h>
	35	#include <wlc_mac80211.h>
	36	#include <wlc_bmac.h>
	37	#include <wlc_phy_hal.h>
	38	#include <wl_export.h>
	39	#include <wlc_antsel.h>
	40	#include <wlc_phy_shim.h>
	41
	42	/* useful macros */
	43	#define WLC_ANTSEL_11N_0(ant) ((((ant) & ANT_SELCFG_MASK) >> 4) & 0xf)
	44	#define WLC_ANTSEL_11N_1(ant) (((ant) & ANT_SELCFG_MASK) & 0xf)
	45	#define WLC_ANTIDX_11N(ant) (((WLC_ANTSEL_11N_0(ant)) << 2) + (WLC_ANTSEL_11N_1(ant)))
	46	#define WLC_ANT_ISAUTO_11N(ant) (((ant) & ANT_SELCFG_AUTO) == ANT_SELCFG_AUTO)
	47	#define WLC_ANTSEL_11N(ant) ((ant) & ANT_SELCFG_MASK)
	48
	49	/* antenna switch */
	50	/* defines for no boardlevel antenna diversity */
	51	#define ANT_SELCFG_DEF_2x2 0x01 /* default antenna configuration */
	52
	53	/* 2x3 antdiv defines and tables for GPIO communication */
	54	#define ANT_SELCFG_NUM_2x3 3
	55	#define ANT_SELCFG_DEF_2x3 0x01 /* default antenna configuration */
	56
	57	/* 2x4 antdiv rev4 defines and tables for GPIO communication */
	58	#define ANT_SELCFG_NUM_2x4 4
	59	#define ANT_SELCFG_DEF_2x4 0x02 /* default antenna configuration */
	60
	61	/* static functions */
7cc4a4c0	62	static int wlc_antsel_cfgupd(antsel_info_t asi, wlc_antselcfg_t antsel);
41feb5ed	63	static u8 wlc_antsel_id2antcfg(antsel_info_t *asi, u8 id);
7d4df48e	64	static u16 wlc_antsel_antcfg2antsel(antsel_info_t *asi, u8 ant_cfg);
7cc4a4c0	65	static void wlc_antsel_init_cfg(antsel_info_t asi, wlc_antselcfg_t antsel,
a9533e7e HP	66	bool auto_sel);
a9533e7e HP	67
7d4df48e	68	const u16 mimo_2x4_div_antselpat_tbl[] = {
a9533e7e HP	69	0, 0, 0x9, 0xa, /* ant0: 0 ant1: 2,3 */
	70	0, 0, 0x5, 0x6, /* ant0: 1 ant1: 2,3 */
	71	0, 0, 0, 0, /* n.a. */
	72	0, 0, 0, 0 /* n.a. */
	73	};
	74
41feb5ed	75	const u8 mimo_2x4_div_antselid_tbl[16] = {
a9533e7e HP	76	0, 0, 0, 0, 0, 2, 3, 0,
	77	0, 0, 1, 0, 0, 0, 0, 0 /* pat to antselid */
	78	};
	79
7d4df48e	80	const u16 mimo_2x3_div_antselpat_tbl[] = {
a9533e7e HP	81	16, 0, 1, 16, /* ant0: 0 ant1: 1,2 */
	82	16, 16, 16, 16, /* n.a. */
	83	16, 2, 16, 16, /* ant0: 2 ant1: 1 */
	84	16, 16, 16, 16 /* n.a. */
	85	};
	86
41feb5ed	87	const u8 mimo_2x3_div_antselid_tbl[16] = {
a9533e7e HP	88	0, 1, 2, 0, 0, 0, 0, 0,
	89	0, 0, 0, 0, 0, 0, 0, 0 /* pat to antselid */
	90	};
	91
7cc4a4c0 JC	92	antsel_info_t BCMNMIATTACHFN(wlc_antsel_attach) (wlc_info_t wlc, osl_t *osh,
	93	wlc_pub_t *pub,
	94	wlc_hw_info_t *wlc_hw) {
a9533e7e HP	95	antsel_info_t *asi;
a9533e7e HP	96
ca8c1e59 JC	97	asi = (antsel_info_t *) MALLOC(osh, sizeof(antsel_info_t));
ca8c1e59 JC	98	if (!asi) {
a9533e7e HP	99	WL_ERROR(("wl%d: wlc_antsel_attach: out of mem, malloced %d bytes\n", pub->unit, MALLOCED(osh)));
	100	return NULL;
	101	}
	102
	103	bzero((char *)asi, sizeof(antsel_info_t));
	104
	105	asi->wlc = wlc;
	106	asi->pub = pub;
	107	asi->antsel_type = ANTSEL_NA;
	108	asi->antsel_avail = FALSE;
41feb5ed	109	asi->antsel_antswitch = (u8) getintvar(asi->pub->vars, "antswitch");
a9533e7e HP	110
	111	if ((asi->pub->sromrev >= 4) && (asi->antsel_antswitch != 0)) {
	112	switch (asi->antsel_antswitch) {
	113	case ANTSWITCH_TYPE_1:
	114	case ANTSWITCH_TYPE_2:
	115	case ANTSWITCH_TYPE_3:
	116	/* 4321/2 board with 2x3 switch logic */
	117	asi->antsel_type = ANTSEL_2x3;
	118	/* Antenna selection availability */
7d4df48e GKH	119	if (((u16) getintvar(asi->pub->vars, "aa2g") == 7) \|\|
7d4df48e GKH	120	((u16) getintvar(asi->pub->vars, "aa5g") == 7)) {
a9533e7e HP	121	asi->antsel_avail = TRUE;
a9533e7e HP	122	} else
7d4df48e	123	if (((u16) getintvar(asi->pub->vars, "aa2g") ==
a9533e7e	124	3)
7d4df48e	125	\|\| ((u16) getintvar(asi->pub->vars, "aa5g")
a9533e7e HP	126	== 3)) {
	127	asi->antsel_avail = FALSE;
	128	} else {
	129	asi->antsel_avail = FALSE;
	130	WL_ERROR(("wlc_antsel_attach: 2o3 board cfg invalid\n"));
	131	ASSERT(0);
	132	}
	133	break;
	134	default:
	135	break;
	136	}
	137	} else if ((asi->pub->sromrev == 4) &&
7d4df48e GKH	138	((u16) getintvar(asi->pub->vars, "aa2g") == 7) &&
7d4df48e GKH	139	((u16) getintvar(asi->pub->vars, "aa5g") == 0)) {
a9533e7e HP	140	/* hack to match old 4321CB2 cards with 2of3 antenna switch */
	141	asi->antsel_type = ANTSEL_2x3;
	142	asi->antsel_avail = TRUE;
	143	} else if (asi->pub->boardflags2 & BFL2_2X4_DIV) {
	144	asi->antsel_type = ANTSEL_2x4;
	145	asi->antsel_avail = TRUE;
	146	}
	147
	148	/* Set the antenna selection type for the low driver */
	149	wlc_bmac_antsel_type_set(wlc_hw, asi->antsel_type);
	150
	151	/* Init (auto/manual) antenna selection */
	152	wlc_antsel_init_cfg(asi, &asi->antcfg_11n, TRUE);
	153	wlc_antsel_init_cfg(asi, &asi->antcfg_cur, TRUE);
	154
	155	return asi;
	156	}
	157
0d2f0724	158	void wlc_antsel_detach(antsel_info_t *asi)
a2627bc0	159	{
a9533e7e HP	160	if (!asi)
	161	return;
	162
	163	MFREE(asi->pub->osh, asi, sizeof(antsel_info_t));
	164	}
	165
7cc4a4c0	166	void wlc_antsel_init(antsel_info_t *asi)
a9533e7e HP	167	{
	168	if ((asi->antsel_type == ANTSEL_2x3) \|\|
	169	(asi->antsel_type == ANTSEL_2x4))
	170	wlc_antsel_cfgupd(asi, &asi->antcfg_11n);
	171	}
	172
	173	/* boardlevel antenna selection: init antenna selection structure */
	174	static void
7cc4a4c0	175	wlc_antsel_init_cfg(antsel_info_t asi, wlc_antselcfg_t antsel,
a9533e7e HP	176	bool auto_sel)
	177	{
	178	if (asi->antsel_type == ANTSEL_2x3) {
41feb5ed	179	u8 antcfg_def = ANT_SELCFG_DEF_2x3 \|
a9533e7e HP	180	((asi->antsel_avail && auto_sel) ? ANT_SELCFG_AUTO : 0);
	181	antsel->ant_config[ANT_SELCFG_TX_DEF] = antcfg_def;
	182	antsel->ant_config[ANT_SELCFG_TX_UNICAST] = antcfg_def;
	183	antsel->ant_config[ANT_SELCFG_RX_DEF] = antcfg_def;
	184	antsel->ant_config[ANT_SELCFG_RX_UNICAST] = antcfg_def;
	185	antsel->num_antcfg = ANT_SELCFG_NUM_2x3;
	186
	187	} else if (asi->antsel_type == ANTSEL_2x4) {
	188
	189	antsel->ant_config[ANT_SELCFG_TX_DEF] = ANT_SELCFG_DEF_2x4;
	190	antsel->ant_config[ANT_SELCFG_TX_UNICAST] = ANT_SELCFG_DEF_2x4;
	191	antsel->ant_config[ANT_SELCFG_RX_DEF] = ANT_SELCFG_DEF_2x4;
	192	antsel->ant_config[ANT_SELCFG_RX_UNICAST] = ANT_SELCFG_DEF_2x4;
	193	antsel->num_antcfg = ANT_SELCFG_NUM_2x4;
	194
	195	} else { /* no antenna selection available */
	196
	197	antsel->ant_config[ANT_SELCFG_TX_DEF] = ANT_SELCFG_DEF_2x2;
	198	antsel->ant_config[ANT_SELCFG_TX_UNICAST] = ANT_SELCFG_DEF_2x2;
	199	antsel->ant_config[ANT_SELCFG_RX_DEF] = ANT_SELCFG_DEF_2x2;
	200	antsel->ant_config[ANT_SELCFG_RX_UNICAST] = ANT_SELCFG_DEF_2x2;
	201	antsel->num_antcfg = 0;
	202	}
	203	}
	204
	205	void BCMFASTPATH
7cc4a4c0	206	wlc_antsel_antcfg_get(antsel_info_t *asi, bool usedef, bool sel,
41feb5ed GKH	207	u8 antselid, u8 fbantselid, u8 *antcfg,
41feb5ed GKH	208	u8 *fbantcfg)
a9533e7e	209	{
41feb5ed	210	u8 ant;
a9533e7e HP	211
	212	/* if use default, assign it and return */
	213	if (usedef) {
	214	*antcfg = asi->antcfg_11n.ant_config[ANT_SELCFG_TX_DEF];
	215	fbantcfg = antcfg;
	216	return;
	217	}
	218
	219	if (!sel) {
	220	*antcfg = asi->antcfg_11n.ant_config[ANT_SELCFG_TX_UNICAST];
	221	fbantcfg = antcfg;
	222
	223	} else {
	224	ant = asi->antcfg_11n.ant_config[ANT_SELCFG_TX_UNICAST];
	225	if ((ant & ANT_SELCFG_AUTO) == ANT_SELCFG_AUTO) {
	226	*antcfg = wlc_antsel_id2antcfg(asi, antselid);
	227	*fbantcfg = wlc_antsel_id2antcfg(asi, fbantselid);
	228	} else {
	229	*antcfg =
	230	asi->antcfg_11n.ant_config[ANT_SELCFG_TX_UNICAST];
	231	fbantcfg = antcfg;
	232	}
	233	}
	234	return;
	235	}
	236
	237	/* boardlevel antenna selection: convert mimo_antsel (ucode interface) to id */
7d4df48e	238	u8 wlc_antsel_antsel2id(antsel_info_t *asi, u16 antsel)
a9533e7e	239	{
41feb5ed	240	u8 antselid = 0;
a9533e7e HP	241
	242	if (asi->antsel_type == ANTSEL_2x4) {
	243	/* 2x4 antenna diversity board, 4 cfgs: 0-2 0-3 1-2 1-3 */
	244	antselid = mimo_2x4_div_antselid_tbl[(antsel & 0xf)];
	245	return antselid;
	246
	247	} else if (asi->antsel_type == ANTSEL_2x3) {
	248	/* 2x3 antenna selection, 3 cfgs: 0-1 0-2 2-1 */
	249	antselid = mimo_2x3_div_antselid_tbl[(antsel & 0xf)];
	250	return antselid;
	251	}
	252
	253	return antselid;
	254	}
	255
	256	/* boardlevel antenna selection: convert id to ant_cfg */
41feb5ed	257	static u8 wlc_antsel_id2antcfg(antsel_info_t *asi, u8 id)
a9533e7e	258	{
41feb5ed	259	u8 antcfg = ANT_SELCFG_DEF_2x2;
a9533e7e HP	260
	261	if (asi->antsel_type == ANTSEL_2x4) {
	262	/* 2x4 antenna diversity board, 4 cfgs: 0-2 0-3 1-2 1-3 */
	263	antcfg = (((id & 0x2) << 3) \| ((id & 0x1) + 2));
	264	return antcfg;
	265
	266	} else if (asi->antsel_type == ANTSEL_2x3) {
	267	/* 2x3 antenna selection, 3 cfgs: 0-1 0-2 2-1 */
	268	antcfg = (((id & 0x02) << 4) \| ((id & 0x1) + 1));
	269	return antcfg;
	270	}
	271
	272	return antcfg;
	273	}
	274
	275	/* boardlevel antenna selection: convert ant_cfg to mimo_antsel (ucode interface) */
7d4df48e	276	static u16 wlc_antsel_antcfg2antsel(antsel_info_t *asi, u8 ant_cfg)
a9533e7e	277	{
41feb5ed	278	u8 idx = WLC_ANTIDX_11N(WLC_ANTSEL_11N(ant_cfg));
7d4df48e	279	u16 mimo_antsel = 0;
a9533e7e HP	280
	281	if (asi->antsel_type == ANTSEL_2x4) {
	282	/* 2x4 antenna diversity board, 4 cfgs: 0-2 0-3 1-2 1-3 */
	283	mimo_antsel = (mimo_2x4_div_antselpat_tbl[idx] & 0xf);
	284	return mimo_antsel;
	285
	286	} else if (asi->antsel_type == ANTSEL_2x3) {
	287	/* 2x3 antenna selection, 3 cfgs: 0-1 0-2 2-1 */
	288	mimo_antsel = (mimo_2x3_div_antselpat_tbl[idx] & 0xf);
	289	return mimo_antsel;
	290	}
	291
	292	return mimo_antsel;
	293	}
	294
	295	/* boardlevel antenna selection: ucode interface control */
7cc4a4c0	296	static int wlc_antsel_cfgupd(antsel_info_t asi, wlc_antselcfg_t antsel)
a9533e7e HP	297	{
a9533e7e HP	298	wlc_info_t *wlc = asi->wlc;
41feb5ed	299	u8 ant_cfg;
7d4df48e	300	u16 mimo_antsel;
a9533e7e HP	301
	302	ASSERT(asi->antsel_type != ANTSEL_NA);
	303
	304	/* 1) Update TX antconfig for all frames that are not unicast data
	305	* (aka default TX)
	306	*/
	307	ant_cfg = antsel->ant_config[ANT_SELCFG_TX_DEF];
	308	mimo_antsel = wlc_antsel_antcfg2antsel(asi, ant_cfg);
	309	wlc_write_shm(wlc, M_MIMO_ANTSEL_TXDFLT, mimo_antsel);
	310	/* Update driver stats for currently selected default tx/rx antenna config */
	311	asi->antcfg_cur.ant_config[ANT_SELCFG_TX_DEF] = ant_cfg;
	312
	313	/* 2) Update RX antconfig for all frames that are not unicast data
	314	* (aka default RX)
	315	*/
	316	ant_cfg = antsel->ant_config[ANT_SELCFG_RX_DEF];
	317	mimo_antsel = wlc_antsel_antcfg2antsel(asi, ant_cfg);
	318	wlc_write_shm(wlc, M_MIMO_ANTSEL_RXDFLT, mimo_antsel);
	319	/* Update driver stats for currently selected default tx/rx antenna config */
	320	asi->antcfg_cur.ant_config[ANT_SELCFG_RX_DEF] = ant_cfg;
	321
	322	return 0;
	323	}
	324
	325	#endif /* WLANTSEL */