1/* SPDX-License-Identifier: GPL-2.0-or-later */
2/*
3
4  Broadcom B43legacy wireless driver
5
6  Copyright (c) 2005 Martin Langer <martin-langer@gmx.de>,
7		     Stefano Brivio <stefano.brivio@polimi.it>
8		     Michael Buesch <m@bues.ch>
9		     Danny van Dyk <kugelfang@gentoo.org>
10		     Andreas Jaggi <andreas.jaggi@waterwave.ch>
11  Copyright (c) 2007 Larry Finger <Larry.Finger@lwfinger.net>
12
13  Some parts of the code in this file are derived from the ipw2200
14  driver  Copyright(c) 2003 - 2004 Intel Corporation.
15
16
17*/
18
19#ifndef B43legacy_PHY_H_
20#define B43legacy_PHY_H_
21
22#include <linux/types.h>
23
24enum {
25	B43legacy_ANTENNA0,	  /* Antenna 0 */
26	B43legacy_ANTENNA1,	  /* Antenna 0 */
27	B43legacy_ANTENNA_AUTO1,  /* Automatic, starting with antenna 1 */
28	B43legacy_ANTENNA_AUTO0,  /* Automatic, starting with antenna 0 */
29
30	B43legacy_ANTENNA_AUTO	= B43legacy_ANTENNA_AUTO0,
31	B43legacy_ANTENNA_DEFAULT = B43legacy_ANTENNA_AUTO,
32};
33
34enum {
35	B43legacy_INTERFMODE_NONE,
36	B43legacy_INTERFMODE_NONWLAN,
37	B43legacy_INTERFMODE_MANUALWLAN,
38	B43legacy_INTERFMODE_AUTOWLAN,
39};
40
41/*** PHY Registers ***/
42
43/* Routing */
44#define B43legacy_PHYROUTE_OFDM_GPHY	0x400
45#define B43legacy_PHYROUTE_EXT_GPHY	0x800
46
47/* Base registers. */
48#define B43legacy_PHY_BASE(reg)	(reg)
49/* OFDM (A) registers of a G-PHY */
50#define B43legacy_PHY_OFDM(reg)	((reg) | B43legacy_PHYROUTE_OFDM_GPHY)
51/* Extended G-PHY registers */
52#define B43legacy_PHY_EXTG(reg)	((reg) | B43legacy_PHYROUTE_EXT_GPHY)
53
54
55/* Extended G-PHY Registers */
56#define B43legacy_PHY_CLASSCTL		B43legacy_PHY_EXTG(0x02)	/* Classify control */
57#define B43legacy_PHY_GTABCTL		B43legacy_PHY_EXTG(0x03)	/* G-PHY table control (see below) */
58#define  B43legacy_PHY_GTABOFF		0x03FF			/* G-PHY table offset (see below) */
59#define  B43legacy_PHY_GTABNR		0xFC00			/* G-PHY table number (see below) */
60#define  B43legacy_PHY_GTABNR_SHIFT	10
61#define B43legacy_PHY_GTABDATA		B43legacy_PHY_EXTG(0x04)	/* G-PHY table data */
62#define B43legacy_PHY_LO_MASK		B43legacy_PHY_EXTG(0x0F)	/* Local Oscillator control mask */
63#define B43legacy_PHY_LO_CTL		B43legacy_PHY_EXTG(0x10)	/* Local Oscillator control */
64#define B43legacy_PHY_RFOVER		B43legacy_PHY_EXTG(0x11)	/* RF override */
65#define B43legacy_PHY_RFOVERVAL		B43legacy_PHY_EXTG(0x12)	/* RF override value */
66/*** OFDM table numbers ***/
67#define B43legacy_OFDMTAB(number, offset)				\
68			  (((number) << B43legacy_PHY_OTABLENR_SHIFT)	\
69			  | (offset))
70#define B43legacy_OFDMTAB_AGC1		B43legacy_OFDMTAB(0x00, 0)
71#define B43legacy_OFDMTAB_GAIN0		B43legacy_OFDMTAB(0x00, 0)
72#define B43legacy_OFDMTAB_GAINX		B43legacy_OFDMTAB(0x01, 0)
73#define B43legacy_OFDMTAB_GAIN1		B43legacy_OFDMTAB(0x01, 4)
74#define B43legacy_OFDMTAB_AGC3		B43legacy_OFDMTAB(0x02, 0)
75#define B43legacy_OFDMTAB_GAIN2		B43legacy_OFDMTAB(0x02, 3)
76#define B43legacy_OFDMTAB_LNAHPFGAIN1	B43legacy_OFDMTAB(0x03, 0)
77#define B43legacy_OFDMTAB_WRSSI		B43legacy_OFDMTAB(0x04, 0)
78#define B43legacy_OFDMTAB_LNAHPFGAIN2	B43legacy_OFDMTAB(0x04, 0)
79#define B43legacy_OFDMTAB_NOISESCALE	B43legacy_OFDMTAB(0x05, 0)
80#define B43legacy_OFDMTAB_AGC2		B43legacy_OFDMTAB(0x06, 0)
81#define B43legacy_OFDMTAB_ROTOR		B43legacy_OFDMTAB(0x08, 0)
82#define B43legacy_OFDMTAB_ADVRETARD	B43legacy_OFDMTAB(0x09, 0)
83#define B43legacy_OFDMTAB_DAC		B43legacy_OFDMTAB(0x0C, 0)
84#define B43legacy_OFDMTAB_DC		B43legacy_OFDMTAB(0x0E, 7)
85#define B43legacy_OFDMTAB_PWRDYN2	B43legacy_OFDMTAB(0x0E, 12)
86#define B43legacy_OFDMTAB_LNAGAIN	B43legacy_OFDMTAB(0x0E, 13)
87
88#define B43legacy_OFDMTAB_LPFGAIN	B43legacy_OFDMTAB(0x0F, 12)
89#define B43legacy_OFDMTAB_RSSI		B43legacy_OFDMTAB(0x10, 0)
90
91#define B43legacy_OFDMTAB_AGC1_R1	B43legacy_OFDMTAB(0x13, 0)
92#define B43legacy_OFDMTAB_GAINX_R1	B43legacy_OFDMTAB(0x14, 0)
93#define B43legacy_OFDMTAB_MINSIGSQ	B43legacy_OFDMTAB(0x14, 1)
94#define B43legacy_OFDMTAB_AGC3_R1	B43legacy_OFDMTAB(0x15, 0)
95#define B43legacy_OFDMTAB_WRSSI_R1	B43legacy_OFDMTAB(0x15, 4)
96#define B43legacy_OFDMTAB_TSSI		B43legacy_OFDMTAB(0x15, 0)
97#define B43legacy_OFDMTAB_DACRFPABB	B43legacy_OFDMTAB(0x16, 0)
98#define B43legacy_OFDMTAB_DACOFF	B43legacy_OFDMTAB(0x17, 0)
99#define B43legacy_OFDMTAB_DCBIAS	B43legacy_OFDMTAB(0x18, 0)
100
101void b43legacy_put_attenuation_into_ranges(int *_bbatt, int *_rfatt);
102
103/* OFDM (A) PHY Registers */
104#define B43legacy_PHY_VERSION_OFDM	B43legacy_PHY_OFDM(0x00)	/* Versioning register for A-PHY */
105#define B43legacy_PHY_BBANDCFG		B43legacy_PHY_OFDM(0x01)	/* Baseband config */
106#define  B43legacy_PHY_BBANDCFG_RXANT	0x180			/* RX Antenna selection */
107#define  B43legacy_PHY_BBANDCFG_RXANT_SHIFT	7
108#define B43legacy_PHY_PWRDOWN		B43legacy_PHY_OFDM(0x03)	/* Powerdown */
109#define B43legacy_PHY_CRSTHRES1		B43legacy_PHY_OFDM(0x06)	/* CRS Threshold 1 */
110#define B43legacy_PHY_LNAHPFCTL		B43legacy_PHY_OFDM(0x1C)	/* LNA/HPF control */
111#define B43legacy_PHY_ADIVRELATED	B43legacy_PHY_OFDM(0x27)	/* FIXME rename */
112#define B43legacy_PHY_CRS0		B43legacy_PHY_OFDM(0x29)
113#define B43legacy_PHY_ANTDWELL		B43legacy_PHY_OFDM(0x2B)	/* Antenna dwell */
114#define  B43legacy_PHY_ANTDWELL_AUTODIV1	0x0100			/* Automatic RX diversity start antenna */
115#define B43legacy_PHY_ENCORE		B43legacy_PHY_OFDM(0x49)	/* "Encore" (RangeMax / BroadRange) */
116#define  B43legacy_PHY_ENCORE_EN	0x0200				/* Encore enable */
117#define B43legacy_PHY_LMS		B43legacy_PHY_OFDM(0x55)
118#define B43legacy_PHY_OFDM61		B43legacy_PHY_OFDM(0x61)	/* FIXME rename */
119#define  B43legacy_PHY_OFDM61_10	0x0010				/* FIXME rename */
120#define B43legacy_PHY_IQBAL		B43legacy_PHY_OFDM(0x69)	/* I/Q balance */
121#define B43legacy_PHY_OTABLECTL		B43legacy_PHY_OFDM(0x72)	/* OFDM table control (see below) */
122#define  B43legacy_PHY_OTABLEOFF	0x03FF				/* OFDM table offset (see below) */
123#define  B43legacy_PHY_OTABLENR		0xFC00				/* OFDM table number (see below) */
124#define  B43legacy_PHY_OTABLENR_SHIFT	10
125#define B43legacy_PHY_OTABLEI		B43legacy_PHY_OFDM(0x73)	/* OFDM table data I */
126#define B43legacy_PHY_OTABLEQ		B43legacy_PHY_OFDM(0x74)	/* OFDM table data Q */
127#define B43legacy_PHY_HPWR_TSSICTL	B43legacy_PHY_OFDM(0x78)	/* Hardware power TSSI control */
128#define B43legacy_PHY_NRSSITHRES	B43legacy_PHY_OFDM(0x8A)	/* NRSSI threshold */
129#define B43legacy_PHY_ANTWRSETT		B43legacy_PHY_OFDM(0x8C)	/* Antenna WR settle */
130#define  B43legacy_PHY_ANTWRSETT_ARXDIV	0x2000				/* Automatic RX diversity enabled */
131#define B43legacy_PHY_CLIPPWRDOWNT	B43legacy_PHY_OFDM(0x93)	/* Clip powerdown threshold */
132#define B43legacy_PHY_OFDM9B		B43legacy_PHY_OFDM(0x9B)	/* FIXME rename */
133#define B43legacy_PHY_N1P1GAIN		B43legacy_PHY_OFDM(0xA0)
134#define B43legacy_PHY_P1P2GAIN		B43legacy_PHY_OFDM(0xA1)
135#define B43legacy_PHY_N1N2GAIN		B43legacy_PHY_OFDM(0xA2)
136#define B43legacy_PHY_CLIPTHRES		B43legacy_PHY_OFDM(0xA3)
137#define B43legacy_PHY_CLIPN1P2THRES	B43legacy_PHY_OFDM(0xA4)
138#define B43legacy_PHY_DIVSRCHIDX	B43legacy_PHY_OFDM(0xA8)	/* Divider search gain/index */
139#define B43legacy_PHY_CLIPP2THRES	B43legacy_PHY_OFDM(0xA9)
140#define B43legacy_PHY_CLIPP3THRES	B43legacy_PHY_OFDM(0xAA)
141#define B43legacy_PHY_DIVP1P2GAIN	B43legacy_PHY_OFDM(0xAB)
142#define B43legacy_PHY_DIVSRCHGAINBACK	B43legacy_PHY_OFDM(0xAD)	/* Divider search gain back */
143#define B43legacy_PHY_DIVSRCHGAINCHNG	B43legacy_PHY_OFDM(0xAE)	/* Divider search gain change */
144#define B43legacy_PHY_CRSTHRES1_R1	B43legacy_PHY_OFDM(0xC0)	/* CRS Threshold 1 (rev 1 only) */
145#define B43legacy_PHY_CRSTHRES2_R1	B43legacy_PHY_OFDM(0xC1)	/* CRS Threshold 2 (rev 1 only) */
146#define B43legacy_PHY_TSSIP_LTBASE	B43legacy_PHY_OFDM(0x380)	/* TSSI power lookup table base */
147#define B43legacy_PHY_DC_LTBASE		B43legacy_PHY_OFDM(0x3A0)	/* DC lookup table base */
148#define B43legacy_PHY_GAIN_LTBASE	B43legacy_PHY_OFDM(0x3C0)	/* Gain lookup table base */
149
150void b43legacy_put_attenuation_into_ranges(int *_bbatt, int *_rfatt);
151
152/* Masks for the different PHY versioning registers. */
153#define B43legacy_PHYVER_ANALOG		0xF000
154#define B43legacy_PHYVER_ANALOG_SHIFT	12
155#define B43legacy_PHYVER_TYPE		0x0F00
156#define B43legacy_PHYVER_TYPE_SHIFT	8
157#define B43legacy_PHYVER_VERSION	0x00FF
158
159struct b43legacy_wldev;
160
161void b43legacy_phy_lock(struct b43legacy_wldev *dev);
162void b43legacy_phy_unlock(struct b43legacy_wldev *dev);
163
164/* Card uses the loopback gain stuff */
165#define has_loopback_gain(phy)			 \
166	(((phy)->rev > 1) || ((phy)->gmode))
167
168u16 b43legacy_phy_read(struct b43legacy_wldev *dev, u16 offset);
169void b43legacy_phy_write(struct b43legacy_wldev *dev, u16 offset, u16 val);
170
171int b43legacy_phy_init_tssi2dbm_table(struct b43legacy_wldev *dev);
172int b43legacy_phy_init(struct b43legacy_wldev *dev);
173
174void b43legacy_set_rx_antenna(struct b43legacy_wldev *dev, int antenna);
175
176void b43legacy_phy_set_antenna_diversity(struct b43legacy_wldev *dev);
177void b43legacy_phy_calibrate(struct b43legacy_wldev *dev);
178int b43legacy_phy_connect(struct b43legacy_wldev *dev, int connect);
179
180void b43legacy_phy_lo_b_measure(struct b43legacy_wldev *dev);
181void b43legacy_phy_lo_g_measure(struct b43legacy_wldev *dev);
182void b43legacy_phy_xmitpower(struct b43legacy_wldev *dev);
183
184/* Adjust the LocalOscillator to the saved values.
185 * "fixed" is only set to 1 once in initialization. Set to 0 otherwise.
186 */
187void b43legacy_phy_lo_adjust(struct b43legacy_wldev *dev, int fixed);
188void b43legacy_phy_lo_mark_all_unused(struct b43legacy_wldev *dev);
189
190void b43legacy_phy_set_baseband_attenuation(struct b43legacy_wldev *dev,
191					    u16 baseband_attenuation);
192
193void b43legacy_power_saving_ctl_bits(struct b43legacy_wldev *dev,
194				     int bit25, int bit26);
195
196#endif /* B43legacy_PHY_H_ */
197