Bug Summary

File:dev/ic/ar9287.c
Warning:line 463, column 3
Value stored to 'pwr' is never read

Annotated Source Code

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clang -cc1 -cc1 -triple amd64-unknown-openbsd7.4 -analyze -disable-free -clear-ast-before-backend -disable-llvm-verifier -discard-value-names -main-file-name ar9287.c -analyzer-checker=core -analyzer-checker=apiModeling -analyzer-checker=unix -analyzer-checker=deadcode -analyzer-checker=security.insecureAPI.UncheckedReturn -analyzer-checker=security.insecureAPI.getpw -analyzer-checker=security.insecureAPI.gets -analyzer-checker=security.insecureAPI.mktemp -analyzer-checker=security.insecureAPI.mkstemp -analyzer-checker=security.insecureAPI.vfork -analyzer-checker=nullability.NullPassedToNonnull -analyzer-checker=nullability.NullReturnedFromNonnull -analyzer-output plist -w -setup-static-analyzer -mrelocation-model static -mframe-pointer=all -relaxed-aliasing -ffp-contract=on -fno-rounding-math -mconstructor-aliases -ffreestanding -mcmodel=kernel -target-cpu x86-64 -target-feature +retpoline-indirect-calls -target-feature +retpoline-indirect-branches -target-feature -sse2 -target-feature -sse -target-feature -3dnow -target-feature -mmx -target-feature +save-args -target-feature +retpoline-external-thunk -disable-red-zone -no-implicit-float -tune-cpu generic -debugger-tuning=gdb -fcoverage-compilation-dir=/usr/src/sys/arch/amd64/compile/GENERIC.MP/obj -nostdsysteminc -nobuiltininc -resource-dir /usr/local/llvm16/lib/clang/16 -I /usr/src/sys -I /usr/src/sys/arch/amd64/compile/GENERIC.MP/obj -I /usr/src/sys/arch -I /usr/src/sys/dev/pci/drm/include -I /usr/src/sys/dev/pci/drm/include/uapi -I /usr/src/sys/dev/pci/drm/amd/include/asic_reg -I /usr/src/sys/dev/pci/drm/amd/include -I /usr/src/sys/dev/pci/drm/amd/amdgpu -I /usr/src/sys/dev/pci/drm/amd/display -I /usr/src/sys/dev/pci/drm/amd/display/include -I /usr/src/sys/dev/pci/drm/amd/display/dc -I /usr/src/sys/dev/pci/drm/amd/display/amdgpu_dm -I /usr/src/sys/dev/pci/drm/amd/pm/inc -I /usr/src/sys/dev/pci/drm/amd/pm/legacy-dpm -I /usr/src/sys/dev/pci/drm/amd/pm/swsmu -I /usr/src/sys/dev/pci/drm/amd/pm/swsmu/inc -I /usr/src/sys/dev/pci/drm/amd/pm/swsmu/smu11 -I /usr/src/sys/dev/pci/drm/amd/pm/swsmu/smu12 -I /usr/src/sys/dev/pci/drm/amd/pm/swsmu/smu13 -I /usr/src/sys/dev/pci/drm/amd/pm/powerplay/inc -I /usr/src/sys/dev/pci/drm/amd/pm/powerplay/hwmgr -I /usr/src/sys/dev/pci/drm/amd/pm/powerplay/smumgr -I /usr/src/sys/dev/pci/drm/amd/pm/swsmu/inc -I /usr/src/sys/dev/pci/drm/amd/pm/swsmu/inc/pmfw_if -I /usr/src/sys/dev/pci/drm/amd/display/dc/inc -I /usr/src/sys/dev/pci/drm/amd/display/dc/inc/hw -I /usr/src/sys/dev/pci/drm/amd/display/dc/clk_mgr -I /usr/src/sys/dev/pci/drm/amd/display/modules/inc -I /usr/src/sys/dev/pci/drm/amd/display/modules/hdcp -I /usr/src/sys/dev/pci/drm/amd/display/dmub/inc -I /usr/src/sys/dev/pci/drm/i915 -D DDB -D DIAGNOSTIC -D KTRACE -D ACCOUNTING -D KMEMSTATS -D PTRACE -D POOL_DEBUG -D CRYPTO -D SYSVMSG -D SYSVSEM -D SYSVSHM -D UVM_SWAP_ENCRYPT -D FFS -D FFS2 -D FFS_SOFTUPDATES -D UFS_DIRHASH -D QUOTA -D EXT2FS -D MFS -D NFSCLIENT -D NFSSERVER -D CD9660 -D UDF -D MSDOSFS -D FIFO -D FUSE -D SOCKET_SPLICE -D TCP_ECN -D TCP_SIGNATURE -D INET6 -D IPSEC -D PPP_BSDCOMP -D PPP_DEFLATE -D PIPEX -D MROUTING -D MPLS -D BOOT_CONFIG -D USER_PCICONF -D APERTURE -D MTRR -D NTFS -D SUSPEND -D HIBERNATE -D PCIVERBOSE -D USBVERBOSE -D WSDISPLAY_COMPAT_USL -D WSDISPLAY_COMPAT_RAWKBD -D WSDISPLAY_DEFAULTSCREENS=6 -D X86EMU -D ONEWIREVERBOSE -D MULTIPROCESSOR -D MAXUSERS=80 -D _KERNEL -O2 -Wno-pointer-sign -Wno-address-of-packed-member -Wno-constant-conversion -Wno-unused-but-set-variable -Wno-gnu-folding-constant -fdebug-compilation-dir=/usr/src/sys/arch/amd64/compile/GENERIC.MP/obj -ferror-limit 19 -fwrapv -D_RET_PROTECTOR -ret-protector -fcf-protection=branch -fgnuc-version=4.2.1 -vectorize-loops -vectorize-slp -fno-builtin-malloc -fno-builtin-calloc -fno-builtin-realloc -fno-builtin-valloc -fno-builtin-free -fno-builtin-strdup -fno-builtin-strndup -analyzer-output=html -faddrsig -o /home/ben/Projects/scan/2024-01-11-110808-61670-1 -x c /usr/src/sys/dev/ic/ar9287.c
1/* $OpenBSD: ar9287.c,v 1.30 2022/01/09 05:42:38 jsg Exp $ */
2
3/*-
4 * Copyright (c) 2009 Damien Bergamini <damien.bergamini@free.fr>
5 * Copyright (c) 2008-2009 Atheros Communications Inc.
6 *
7 * Permission to use, copy, modify, and/or distribute this software for any
8 * purpose with or without fee is hereby granted, provided that the above
9 * copyright notice and this permission notice appear in all copies.
10 *
11 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
12 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
13 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
14 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
15 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
16 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
17 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
18 */
19
20/*
21 * Driver for Atheros 802.11a/g/n chipsets.
22 * Routines for AR9227 and AR9287 chipsets.
23 */
24
25#include "bpfilter.h"
26
27#include <sys/param.h>
28#include <sys/sockio.h>
29#include <sys/mbuf.h>
30#include <sys/kernel.h>
31#include <sys/socket.h>
32#include <sys/systm.h>
33#include <sys/malloc.h>
34#include <sys/queue.h>
35#include <sys/timeout.h>
36#include <sys/conf.h>
37#include <sys/device.h>
38#include <sys/endian.h>
39
40#include <machine/bus.h>
41#include <machine/intr.h>
42
43#if NBPFILTER1 > 0
44#include <net/bpf.h>
45#endif
46#include <net/if.h>
47#include <net/if_media.h>
48
49#include <netinet/in.h>
50#include <netinet/if_ether.h>
51
52#include <net80211/ieee80211_var.h>
53#include <net80211/ieee80211_amrr.h>
54#include <net80211/ieee80211_ra.h>
55#include <net80211/ieee80211_radiotap.h>
56
57#include <dev/ic/athnreg.h>
58#include <dev/ic/athnvar.h>
59
60#include <dev/ic/ar5008reg.h>
61#include <dev/ic/ar9280reg.h>
62#include <dev/ic/ar9287reg.h>
63
64int ar9287_attach(struct athn_softc *);
65void ar9287_setup(struct athn_softc *);
66void ar9287_swap_rom(struct athn_softc *);
67const struct ar_spur_chan *ar9287_get_spur_chans(struct athn_softc *, int);
68void ar9287_init_from_rom(struct athn_softc *, struct ieee80211_channel *,
69 struct ieee80211_channel *);
70void ar9287_get_pdadcs(struct athn_softc *, struct ieee80211_channel *,
71 int, int, uint8_t, uint8_t *, uint8_t *);
72void ar9287_olpc_get_pdgain(struct athn_softc *, struct ieee80211_channel *,
73 int, int8_t *);
74void ar9287_set_power_calib(struct athn_softc *,
75 struct ieee80211_channel *);
76void ar9287_set_txpower(struct athn_softc *, struct ieee80211_channel *,
77 struct ieee80211_channel *);
78void ar9287_olpc_init(struct athn_softc *);
79void ar9287_olpc_temp_compensation(struct athn_softc *);
80void ar9287_1_3_enable_async_fifo(struct athn_softc *);
81void ar9287_1_3_setup_async_fifo(struct athn_softc *);
82
83/* Extern functions. */
84uint8_t athn_chan2fbin(struct ieee80211_channel *);
85void athn_get_pier_ival(uint8_t, const uint8_t *, int, int *, int *);
86int ar5008_attach(struct athn_softc *);
87void ar5008_write_txpower(struct athn_softc *, int16_t power[]);
88void ar5008_get_pdadcs(struct athn_softc *, uint8_t, struct athn_pier *,
89 struct athn_pier *, int, int, uint8_t, uint8_t *, uint8_t *);
90void ar5008_get_lg_tpow(struct athn_softc *, struct ieee80211_channel *,
91 uint8_t, const struct ar_cal_target_power_leg *, int, uint8_t[]);
92void ar5008_get_ht_tpow(struct athn_softc *, struct ieee80211_channel *,
93 uint8_t, const struct ar_cal_target_power_ht *, int, uint8_t[]);
94int ar9280_set_synth(struct athn_softc *, struct ieee80211_channel *,
95 struct ieee80211_channel *);
96void ar9280_spur_mitigate(struct athn_softc *, struct ieee80211_channel *,
97 struct ieee80211_channel *);
98
99
100int
101ar9287_attach(struct athn_softc *sc)
102{
103 sc->eep_base = (sc->flags & ATHN_FLAG_USB(1 << 1)) ?
104 AR9287_HTC_EEP_START_LOC256 : AR9287_EEP_START_LOC128;
105 sc->eep_size = sizeof(struct ar9287_eeprom);
106 sc->ngpiopins = (sc->flags & ATHN_FLAG_USB(1 << 1)) ? 16 : 11;
107 sc->led_pin = (sc->flags & ATHN_FLAG_USB(1 << 1)) ? 10 : 8;
108 sc->workaround = AR9285_WA_DEFAULT0x004a050b;
109 sc->ops.setup = ar9287_setup;
110 sc->ops.swap_rom = ar9287_swap_rom;
111 sc->ops.init_from_rom = ar9287_init_from_rom;
112 sc->ops.set_txpower = ar9287_set_txpower;
113 sc->ops.set_synth = ar9280_set_synth;
114 sc->ops.spur_mitigate = ar9280_spur_mitigate;
115 sc->ops.get_spur_chans = ar9287_get_spur_chans;
116 sc->ops.olpc_init = ar9287_olpc_init;
117 sc->ops.olpc_temp_compensation = ar9287_olpc_temp_compensation;
118 sc->cca_min_2g = AR9287_PHY_CCA_MIN_GOOD_VAL_2GHZ(-127);
119 sc->cca_max_2g = AR9287_PHY_CCA_MAX_GOOD_VAL_2GHZ(-97);
120 sc->ini = &ar9287_1_1_ini;
121 sc->serdes = &ar9280_2_0_serdes;
122
123 return (ar5008_attach(sc));
124}
125
126void
127ar9287_setup(struct athn_softc *sc)
128{
129 const struct ar9287_eeprom *eep = sc->eep;
130
131 /* Determine if open loop power control should be used. */
132 if (eep->baseEepHeader.openLoopPwrCntl)
133 sc->flags |= ATHN_FLAG_OLPC(1 << 2);
134
135 sc->rx_gain = &ar9287_1_1_rx_gain;
136 sc->tx_gain = &ar9287_1_1_tx_gain;
137}
138
139void
140ar9287_swap_rom(struct athn_softc *sc)
141{
142 struct ar9287_eeprom *eep = sc->eep;
143 int i;
144
145 eep->modalHeader.antCtrlCommon =
146 swap32(eep->modalHeader.antCtrlCommon)(__uint32_t)(__builtin_constant_p(eep->modalHeader.antCtrlCommon
) ? (__uint32_t)(((__uint32_t)(eep->modalHeader.antCtrlCommon
) & 0xff) << 24 | ((__uint32_t)(eep->modalHeader
.antCtrlCommon) & 0xff00) << 8 | ((__uint32_t)(eep->
modalHeader.antCtrlCommon) & 0xff0000) >> 8 | ((__uint32_t
)(eep->modalHeader.antCtrlCommon) & 0xff000000) >>
24) : __swap32md(eep->modalHeader.antCtrlCommon));
147
148 for (i = 0; i < AR9287_MAX_CHAINS2; i++) {
149 eep->modalHeader.antCtrlChain[i] =
150 swap32(eep->modalHeader.antCtrlChain[i])(__uint32_t)(__builtin_constant_p(eep->modalHeader.antCtrlChain
[i]) ? (__uint32_t)(((__uint32_t)(eep->modalHeader.antCtrlChain
[i]) & 0xff) << 24 | ((__uint32_t)(eep->modalHeader
.antCtrlChain[i]) & 0xff00) << 8 | ((__uint32_t)(eep
->modalHeader.antCtrlChain[i]) & 0xff0000) >> 8 |
((__uint32_t)(eep->modalHeader.antCtrlChain[i]) & 0xff000000
) >> 24) : __swap32md(eep->modalHeader.antCtrlChain[
i]));
151 }
152 for (i = 0; i < AR_EEPROM_MODAL_SPURS5; i++) {
153 eep->modalHeader.spurChans[i].spurChan =
154 swap16(eep->modalHeader.spurChans[i].spurChan)(__uint16_t)(__builtin_constant_p(eep->modalHeader.spurChans
[i].spurChan) ? (__uint16_t)(((__uint16_t)(eep->modalHeader
.spurChans[i].spurChan) & 0xffU) << 8 | ((__uint16_t
)(eep->modalHeader.spurChans[i].spurChan) & 0xff00U) >>
8) : __swap16md(eep->modalHeader.spurChans[i].spurChan));
155 }
156}
157
158const struct ar_spur_chan *
159ar9287_get_spur_chans(struct athn_softc *sc, int is2ghz)
160{
161 const struct ar9287_eeprom *eep = sc->eep;
162
163 KASSERT(is2ghz)((is2ghz) ? (void)0 : __assert("diagnostic ", "/usr/src/sys/dev/ic/ar9287.c"
, 163, "is2ghz"));
164 return (eep->modalHeader.spurChans);
165}
166
167void
168ar9287_init_from_rom(struct athn_softc *sc, struct ieee80211_channel *c,
169 struct ieee80211_channel *extc)
170{
171 const struct ar9287_eeprom *eep = sc->eep;
172 const struct ar9287_modal_eep_header *modal = &eep->modalHeader;
173 uint32_t reg, offset;
174 int i;
175
176 AR_WRITE(sc, AR_PHY_SWITCH_COM, modal->antCtrlCommon)(sc)->ops.write((sc), (0x9964), (modal->antCtrlCommon));
177
178 for (i = 0; i < AR9287_MAX_CHAINS2; i++) {
179 offset = i * 0x1000;
180
181 AR_WRITE(sc, AR_PHY_SWITCH_CHAIN_0 + offset,(sc)->ops.write((sc), (0x9960 + offset), (modal->antCtrlChain
[i]))
182 modal->antCtrlChain[i])(sc)->ops.write((sc), (0x9960 + offset), (modal->antCtrlChain
[i]));
183
184 reg = AR_READ(sc, AR_PHY_TIMING_CTRL4_0 + offset)(sc)->ops.read((sc), (0x9920 + offset));
185 reg = RW(reg, AR_PHY_TIMING_CTRL4_IQCORR_Q_I_COFF,(((reg) & ~0x000007e0) | (((uint32_t)(modal->iqCalICh[
i]) << 5) & 0x000007e0))
186 modal->iqCalICh[i])(((reg) & ~0x000007e0) | (((uint32_t)(modal->iqCalICh[
i]) << 5) & 0x000007e0));
187 reg = RW(reg, AR_PHY_TIMING_CTRL4_IQCORR_Q_Q_COFF,(((reg) & ~0x0000001f) | (((uint32_t)(modal->iqCalQCh[
i]) << 0) & 0x0000001f))
188 modal->iqCalQCh[i])(((reg) & ~0x0000001f) | (((uint32_t)(modal->iqCalQCh[
i]) << 0) & 0x0000001f));
189 AR_WRITE(sc, AR_PHY_TIMING_CTRL4_0 + offset, reg)(sc)->ops.write((sc), (0x9920 + offset), (reg));
190
191 reg = AR_READ(sc, AR_PHY_GAIN_2GHZ + offset)(sc)->ops.read((sc), (0xa20c + offset));
192 reg = RW(reg, AR_PHY_GAIN_2GHZ_XATTEN1_MARGIN,(((reg) & ~0x0001f000) | (((uint32_t)(modal->bswMargin
[i]) << 12) & 0x0001f000))
193 modal->bswMargin[i])(((reg) & ~0x0001f000) | (((uint32_t)(modal->bswMargin
[i]) << 12) & 0x0001f000));
194 reg = RW(reg, AR_PHY_GAIN_2GHZ_XATTEN1_DB,(((reg) & ~0x0000003f) | (((uint32_t)(modal->bswAtten[
i]) << 0) & 0x0000003f))
195 modal->bswAtten[i])(((reg) & ~0x0000003f) | (((uint32_t)(modal->bswAtten[
i]) << 0) & 0x0000003f));
196 AR_WRITE(sc, AR_PHY_GAIN_2GHZ + offset, reg)(sc)->ops.write((sc), (0xa20c + offset), (reg));
197
198 reg = AR_READ(sc, AR_PHY_RXGAIN + offset)(sc)->ops.read((sc), (0x9848 + offset));
199 reg = RW(reg, AR9280_PHY_RXGAIN_TXRX_MARGIN,(((reg) & ~0x001fc000) | (((uint32_t)(modal->rxTxMarginCh
[i]) << 14) & 0x001fc000))
200 modal->rxTxMarginCh[i])(((reg) & ~0x001fc000) | (((uint32_t)(modal->rxTxMarginCh
[i]) << 14) & 0x001fc000));
201 reg = RW(reg, AR9280_PHY_RXGAIN_TXRX_ATTEN,(((reg) & ~0x00003f80) | (((uint32_t)(modal->txRxAttenCh
[i]) << 7) & 0x00003f80))
202 modal->txRxAttenCh[i])(((reg) & ~0x00003f80) | (((uint32_t)(modal->txRxAttenCh
[i]) << 7) & 0x00003f80));
203 AR_WRITE(sc, AR_PHY_RXGAIN + offset, reg)(sc)->ops.write((sc), (0x9848 + offset), (reg));
204 }
205
206 reg = AR_READ(sc, AR_PHY_SETTLING)(sc)->ops.read((sc), (0x9844));
207 if (extc != NULL((void *)0))
208 reg = RW(reg, AR_PHY_SETTLING_SWITCH, modal->swSettleHt40)(((reg) & ~0x00003f80) | (((uint32_t)(modal->swSettleHt40
) << 7) & 0x00003f80));
209 else
210 reg = RW(reg, AR_PHY_SETTLING_SWITCH, modal->switchSettling)(((reg) & ~0x00003f80) | (((uint32_t)(modal->switchSettling
) << 7) & 0x00003f80));
211 AR_WRITE(sc, AR_PHY_SETTLING, reg)(sc)->ops.write((sc), (0x9844), (reg));
212
213 reg = AR_READ(sc, AR_PHY_DESIRED_SZ)(sc)->ops.read((sc), (0x9850));
214 reg = RW(reg, AR_PHY_DESIRED_SZ_ADC, modal->adcDesiredSize)(((reg) & ~0x000000ff) | (((uint32_t)(modal->adcDesiredSize
) << 0) & 0x000000ff));
215 AR_WRITE(sc, AR_PHY_DESIRED_SZ, reg)(sc)->ops.write((sc), (0x9850), (reg));
216
217 reg = SM(AR_PHY_RF_CTL4_TX_END_XPAA_OFF, modal->txEndToXpaOff)(((uint32_t)(modal->txEndToXpaOff) << 16) & 0x00ff0000
);
218 reg |= SM(AR_PHY_RF_CTL4_TX_END_XPAB_OFF, modal->txEndToXpaOff)(((uint32_t)(modal->txEndToXpaOff) << 24) & 0xff000000
);
219 reg |= SM(AR_PHY_RF_CTL4_FRAME_XPAA_ON, modal->txFrameToXpaOn)(((uint32_t)(modal->txFrameToXpaOn) << 0) & 0x000000ff
);
220 reg |= SM(AR_PHY_RF_CTL4_FRAME_XPAB_ON, modal->txFrameToXpaOn)(((uint32_t)(modal->txFrameToXpaOn) << 8) & 0x0000ff00
);
221 AR_WRITE(sc, AR_PHY_RF_CTL4, reg)(sc)->ops.write((sc), (0x9834), (reg));
222
223 reg = AR_READ(sc, AR_PHY_RF_CTL3)(sc)->ops.read((sc), (0x9828));
224 reg = RW(reg, AR_PHY_TX_END_TO_A2_RX_ON, modal->txEndToRxOn)(((reg) & ~0x00ff0000) | (((uint32_t)(modal->txEndToRxOn
) << 16) & 0x00ff0000));
225 AR_WRITE(sc, AR_PHY_RF_CTL3, reg)(sc)->ops.write((sc), (0x9828), (reg));
226
227 reg = AR_READ(sc, AR_PHY_CCA(0))(sc)->ops.read((sc), ((0x9864 + (0) * 0x1000)));
228 reg = RW(reg, AR9280_PHY_CCA_THRESH62, modal->thresh62)(((reg) & ~0x000ff000) | (((uint32_t)(modal->thresh62)
<< 12) & 0x000ff000));
229 AR_WRITE(sc, AR_PHY_CCA(0), reg)(sc)->ops.write((sc), ((0x9864 + (0) * 0x1000)), (reg));
230
231 reg = AR_READ(sc, AR_PHY_EXT_CCA0)(sc)->ops.read((sc), (0x99b8));
232 reg = RW(reg, AR_PHY_EXT_CCA0_THRESH62, modal->thresh62)(((reg) & ~0x000000ff) | (((uint32_t)(modal->thresh62)
<< 0) & 0x000000ff));
233 AR_WRITE(sc, AR_PHY_EXT_CCA0, reg)(sc)->ops.write((sc), (0x99b8), (reg));
234
235 reg = AR_READ(sc, AR9287_AN_RF2G3_CH0)(sc)->ops.read((sc), (0x7808));
236 reg = RW(reg, AR9287_AN_RF2G3_DB1, modal->db1)(((reg) & ~0xe0000000) | (((uint32_t)(modal->db1) <<
29) & 0xe0000000));
237 reg = RW(reg, AR9287_AN_RF2G3_DB2, modal->db2)(((reg) & ~0x1c000000) | (((uint32_t)(modal->db2) <<
26) & 0x1c000000));
238 reg = RW(reg, AR9287_AN_RF2G3_OB_CCK, modal->ob_cck)(((reg) & ~0x03800000) | (((uint32_t)(modal->ob_cck) <<
23) & 0x03800000));
239 reg = RW(reg, AR9287_AN_RF2G3_OB_PSK, modal->ob_psk)(((reg) & ~0x00700000) | (((uint32_t)(modal->ob_psk) <<
20) & 0x00700000));
240 reg = RW(reg, AR9287_AN_RF2G3_OB_QAM, modal->ob_qam)(((reg) & ~0x000e0000) | (((uint32_t)(modal->ob_qam) <<
17) & 0x000e0000));
241 reg = RW(reg, AR9287_AN_RF2G3_OB_PAL_OFF, modal->ob_pal_off)(((reg) & ~0x0001c000) | (((uint32_t)(modal->ob_pal_off
) << 14) & 0x0001c000));
242 AR_WRITE(sc, AR9287_AN_RF2G3_CH0, reg)(sc)->ops.write((sc), (0x7808), (reg));
243 AR_WRITE_BARRIER(sc)(sc)->ops.write_barrier((sc));
244 DELAY(100)(*delay_func)(100);
245
246 reg = AR_READ(sc, AR9287_AN_RF2G3_CH1)(sc)->ops.read((sc), (0x785c));
247 reg = RW(reg, AR9287_AN_RF2G3_DB1, modal->db1)(((reg) & ~0xe0000000) | (((uint32_t)(modal->db1) <<
29) & 0xe0000000));
248 reg = RW(reg, AR9287_AN_RF2G3_DB2, modal->db2)(((reg) & ~0x1c000000) | (((uint32_t)(modal->db2) <<
26) & 0x1c000000));
249 reg = RW(reg, AR9287_AN_RF2G3_OB_CCK, modal->ob_cck)(((reg) & ~0x03800000) | (((uint32_t)(modal->ob_cck) <<
23) & 0x03800000));
250 reg = RW(reg, AR9287_AN_RF2G3_OB_PSK, modal->ob_psk)(((reg) & ~0x00700000) | (((uint32_t)(modal->ob_psk) <<
20) & 0x00700000));
251 reg = RW(reg, AR9287_AN_RF2G3_OB_QAM, modal->ob_qam)(((reg) & ~0x000e0000) | (((uint32_t)(modal->ob_qam) <<
17) & 0x000e0000));
252 reg = RW(reg, AR9287_AN_RF2G3_OB_PAL_OFF, modal->ob_pal_off)(((reg) & ~0x0001c000) | (((uint32_t)(modal->ob_pal_off
) << 14) & 0x0001c000));
253 AR_WRITE(sc, AR9287_AN_RF2G3_CH1, reg)(sc)->ops.write((sc), (0x785c), (reg));
254 AR_WRITE_BARRIER(sc)(sc)->ops.write_barrier((sc));
255 DELAY(100)(*delay_func)(100);
256
257 reg = AR_READ(sc, AR_PHY_RF_CTL2)(sc)->ops.read((sc), (0x9824));
258 reg = RW(reg, AR_PHY_TX_END_DATA_START, modal->txFrameToDataStart)(((reg) & ~0x000000ff) | (((uint32_t)(modal->txFrameToDataStart
) << 0) & 0x000000ff));
259 reg = RW(reg, AR_PHY_TX_END_PA_ON, modal->txFrameToPaOn)(((reg) & ~0x0000ff00) | (((uint32_t)(modal->txFrameToPaOn
) << 8) & 0x0000ff00));
260 AR_WRITE(sc, AR_PHY_RF_CTL2, reg)(sc)->ops.write((sc), (0x9824), (reg));
261
262 reg = AR_READ(sc, AR9287_AN_TOP2)(sc)->ops.read((sc), (0x78b4));
263 reg = RW(reg, AR9287_AN_TOP2_XPABIAS_LVL, modal->xpaBiasLvl)(((reg) & ~0xc0000000) | (((uint32_t)(modal->xpaBiasLvl
) << 30) & 0xc0000000));
264 AR_WRITE(sc, AR9287_AN_TOP2, reg)(sc)->ops.write((sc), (0x78b4), (reg));
265 AR_WRITE_BARRIER(sc)(sc)->ops.write_barrier((sc));
266 DELAY(100)(*delay_func)(100);
267}
268
269void
270ar9287_get_pdadcs(struct athn_softc *sc, struct ieee80211_channel *c,
271 int chain, int nxpdgains, uint8_t overlap, uint8_t *boundaries,
272 uint8_t *pdadcs)
273{
274 const struct ar9287_eeprom *eep = sc->eep;
275 const struct ar9287_cal_data_per_freq *pierdata;
276 const uint8_t *pierfreq;
277 struct athn_pier lopier, hipier;
278 int16_t delta;
279 uint8_t fbin;
280 int i, lo, hi, npiers;
281
282 pierfreq = eep->calFreqPier2G;
283 pierdata = (const struct ar9287_cal_data_per_freq *)
284 eep->calPierData2G[chain];
285 npiers = AR9287_NUM_2G_CAL_PIERS3;
286
287 /* Find channel in ROM pier table. */
288 fbin = athn_chan2fbin(c);
289 athn_get_pier_ival(fbin, pierfreq, npiers, &lo, &hi);
290
291 lopier.fbin = pierfreq[lo];
292 hipier.fbin = pierfreq[hi];
293 for (i = 0; i < nxpdgains; i++) {
294 lopier.pwr[i] = pierdata[lo].pwrPdg[i];
295 lopier.vpd[i] = pierdata[lo].vpdPdg[i];
296 hipier.pwr[i] = pierdata[lo].pwrPdg[i];
297 hipier.vpd[i] = pierdata[lo].vpdPdg[i];
298 }
299 ar5008_get_pdadcs(sc, fbin, &lopier, &hipier, nxpdgains,
300 AR9287_PD_GAIN_ICEPTS1, overlap, boundaries, pdadcs);
301
302 delta = (eep->baseEepHeader.pwrTableOffset -
303 AR_PWR_TABLE_OFFSET_DB(-5)) * 2; /* In half dB. */
304 if (delta != 0) {
305 /* Shift the PDADC table to start at the new offset. */
306 /* XXX Our padding value differs from Linux. */
307 for (i = 0; i < AR_NUM_PDADC_VALUES128; i++)
308 pdadcs[i] = pdadcs[MIN(i + delta,(((i + delta)<(128 - 1))?(i + delta):(128 - 1))
309 AR_NUM_PDADC_VALUES - 1)(((i + delta)<(128 - 1))?(i + delta):(128 - 1))];
310 }
311}
312
313void
314ar9287_olpc_get_pdgain(struct athn_softc *sc, struct ieee80211_channel *c,
315 int chain, int8_t *pwr)
316{
317 const struct ar9287_eeprom *eep = sc->eep;
318 const struct ar_cal_data_per_freq_olpc *pierdata;
319 const uint8_t *pierfreq;
320 uint8_t fbin;
321 int lo, hi, npiers;
322
323 pierfreq = eep->calFreqPier2G;
324 pierdata = (const struct ar_cal_data_per_freq_olpc *)
325 eep->calPierData2G[chain];
326 npiers = AR9287_NUM_2G_CAL_PIERS3;
327
328 /* Find channel in ROM pier table. */
329 fbin = athn_chan2fbin(c);
330 athn_get_pier_ival(fbin, pierfreq, npiers, &lo, &hi);
331
332#if 0
333 *pwr = athn_interpolate(fbin,
334 pierfreq[lo], pierdata[lo].pwrPdg[0][0],
335 pierfreq[hi], pierdata[hi].pwrPdg[0][0]);
336#else
337 *pwr = (pierdata[lo].pwrPdg[0][0] + pierdata[hi].pwrPdg[0][0]) / 2;
338#endif
339}
340
341void
342ar9287_set_power_calib(struct athn_softc *sc, struct ieee80211_channel *c)
343{
344 const struct ar9287_eeprom *eep = sc->eep;
345 uint8_t boundaries[AR_PD_GAINS_IN_MASK4];
346 uint8_t pdadcs[AR_NUM_PDADC_VALUES128];
347 uint8_t xpdgains[AR9287_NUM_PD_GAINS4];
348 int8_t txpower;
349 uint8_t overlap;
350 uint32_t reg, offset;
351 int i, j, nxpdgains;
352
353 if (sc->eep_rev < AR_EEP_MINOR_VER_22) {
354 overlap = MS(AR_READ(sc, AR_PHY_TPCRG5),(((uint32_t)((sc)->ops.read((sc), (0xa26c))) & 0x0000000f
) >> 0)
355 AR_PHY_TPCRG5_PD_GAIN_OVERLAP)(((uint32_t)((sc)->ops.read((sc), (0xa26c))) & 0x0000000f
) >> 0);
356 } else
357 overlap = eep->modalHeader.pdGainOverlap;
358
359 if (sc->flags & ATHN_FLAG_OLPC(1 << 2)) {
360 /* XXX not here. */
361 sc->pdadc =
362 ((const struct ar_cal_data_per_freq_olpc *)
363 eep->calPierData2G[0])->vpdPdg[0][0];
364 }
365
366 nxpdgains = 0;
367 memset(xpdgains, 0, sizeof(xpdgains))__builtin_memset((xpdgains), (0), (sizeof(xpdgains)));
368 for (i = AR9287_PD_GAINS_IN_MASK4 - 1; i >= 0; i--) {
369 if (nxpdgains >= AR9287_NUM_PD_GAINS4)
370 break; /* Can't happen. */
371 if (eep->modalHeader.xpdGain & (1 << i))
372 xpdgains[nxpdgains++] = i;
373 }
374 reg = AR_READ(sc, AR_PHY_TPCRG1)(sc)->ops.read((sc), (0xa258));
375 reg = RW(reg, AR_PHY_TPCRG1_NUM_PD_GAIN, nxpdgains - 1)(((reg) & ~0x0000c000) | (((uint32_t)(nxpdgains - 1) <<
14) & 0x0000c000));
376 reg = RW(reg, AR_PHY_TPCRG1_PD_GAIN_1, xpdgains[0])(((reg) & ~0x00030000) | (((uint32_t)(xpdgains[0]) <<
16) & 0x00030000));
377 reg = RW(reg, AR_PHY_TPCRG1_PD_GAIN_2, xpdgains[1])(((reg) & ~0x000c0000) | (((uint32_t)(xpdgains[1]) <<
18) & 0x000c0000));
378 AR_WRITE(sc, AR_PHY_TPCRG1, reg)(sc)->ops.write((sc), (0xa258), (reg));
379 AR_WRITE_BARRIER(sc)(sc)->ops.write_barrier((sc));
380
381 for (i = 0; i < AR9287_MAX_CHAINS2; i++) {
382 if (!(sc->txchainmask & (1 << i)))
383 continue;
384
385 offset = i * 0x1000;
386
387 if (sc->flags & ATHN_FLAG_OLPC(1 << 2)) {
388 ar9287_olpc_get_pdgain(sc, c, i, &txpower);
389
390 reg = AR_READ(sc, AR_PHY_TX_PWRCTRL6_0)(sc)->ops.read((sc), (0xa270));
391 reg = RW(reg, AR_PHY_TX_PWRCTRL_ERR_EST_MODE, 3)(((reg) & ~0x03000000) | (((uint32_t)(3) << 24) &
0x03000000));
392 AR_WRITE(sc, AR_PHY_TX_PWRCTRL6_0, reg)(sc)->ops.write((sc), (0xa270), (reg));
393
394 reg = AR_READ(sc, AR_PHY_TX_PWRCTRL6_1)(sc)->ops.read((sc), (0xb270));
395 reg = RW(reg, AR_PHY_TX_PWRCTRL_ERR_EST_MODE, 3)(((reg) & ~0x03000000) | (((uint32_t)(3) << 24) &
0x03000000));
396 AR_WRITE(sc, AR_PHY_TX_PWRCTRL6_1, reg)(sc)->ops.write((sc), (0xb270), (reg));
397
398 /* NB: txpower is in half dB. */
399 reg = AR_READ(sc, AR_PHY_CH0_TX_PWRCTRL11 + offset)(sc)->ops.read((sc), (0xa398 + offset));
400 reg = RW(reg, AR_PHY_TX_PWRCTRL_OLPC_PWR, txpower)(((reg) & ~0x00ff0000) | (((uint32_t)(txpower) << 16
) & 0x00ff0000));
401 AR_WRITE(sc, AR_PHY_CH0_TX_PWRCTRL11 + offset, reg)(sc)->ops.write((sc), (0xa398 + offset), (reg));
402
403 AR_WRITE_BARRIER(sc)(sc)->ops.write_barrier((sc));
404 continue; /* That's it for open loop mode. */
405 }
406
407 /* Closed loop power control. */
408 ar9287_get_pdadcs(sc, c, i, nxpdgains, overlap,
409 boundaries, pdadcs);
410
411 /* Write boundaries. */
412 if (i == 0) {
413 reg = SM(AR_PHY_TPCRG5_PD_GAIN_OVERLAP,(((uint32_t)(overlap) << 0) & 0x0000000f)
414 overlap)(((uint32_t)(overlap) << 0) & 0x0000000f);
415 reg |= SM(AR_PHY_TPCRG5_PD_GAIN_BOUNDARY_1,(((uint32_t)(boundaries[0]) << 4) & 0x000003f0)
416 boundaries[0])(((uint32_t)(boundaries[0]) << 4) & 0x000003f0);
417 reg |= SM(AR_PHY_TPCRG5_PD_GAIN_BOUNDARY_2,(((uint32_t)(boundaries[1]) << 10) & 0x0000fc00)
418 boundaries[1])(((uint32_t)(boundaries[1]) << 10) & 0x0000fc00);
419 reg |= SM(AR_PHY_TPCRG5_PD_GAIN_BOUNDARY_3,(((uint32_t)(boundaries[2]) << 16) & 0x003f0000)
420 boundaries[2])(((uint32_t)(boundaries[2]) << 16) & 0x003f0000);
421 reg |= SM(AR_PHY_TPCRG5_PD_GAIN_BOUNDARY_4,(((uint32_t)(boundaries[3]) << 22) & 0x0fc00000)
422 boundaries[3])(((uint32_t)(boundaries[3]) << 22) & 0x0fc00000);
423 AR_WRITE(sc, AR_PHY_TPCRG5 + offset, reg)(sc)->ops.write((sc), (0xa26c + offset), (reg));
424 }
425 /* Write PDADC values. */
426 for (j = 0; j < AR_NUM_PDADC_VALUES128; j += 4) {
427 AR_WRITE(sc, AR_PHY_PDADC_TBL_BASE + offset + j,(sc)->ops.write((sc), (0xa280 + offset + j), (pdadcs[j + 0
] << 0 | pdadcs[j + 1] << 8 | pdadcs[j + 2] <<
16 | pdadcs[j + 3] << 24))
428 pdadcs[j + 0] << 0 |(sc)->ops.write((sc), (0xa280 + offset + j), (pdadcs[j + 0
] << 0 | pdadcs[j + 1] << 8 | pdadcs[j + 2] <<
16 | pdadcs[j + 3] << 24))
429 pdadcs[j + 1] << 8 |(sc)->ops.write((sc), (0xa280 + offset + j), (pdadcs[j + 0
] << 0 | pdadcs[j + 1] << 8 | pdadcs[j + 2] <<
16 | pdadcs[j + 3] << 24))
430 pdadcs[j + 2] << 16 |(sc)->ops.write((sc), (0xa280 + offset + j), (pdadcs[j + 0
] << 0 | pdadcs[j + 1] << 8 | pdadcs[j + 2] <<
16 | pdadcs[j + 3] << 24))
431 pdadcs[j + 3] << 24)(sc)->ops.write((sc), (0xa280 + offset + j), (pdadcs[j + 0
] << 0 | pdadcs[j + 1] << 8 | pdadcs[j + 2] <<
16 | pdadcs[j + 3] << 24));
432 }
433 AR_WRITE_BARRIER(sc)(sc)->ops.write_barrier((sc));
434 }
435}
436
437void
438ar9287_set_txpower(struct athn_softc *sc, struct ieee80211_channel *c,
439 struct ieee80211_channel *extc)
440{
441 const struct ar9287_eeprom *eep = sc->eep;
442 const struct ar9287_modal_eep_header *modal = &eep->modalHeader;
443 uint8_t tpow_cck[4], tpow_ofdm[4];
444 uint8_t tpow_cck_ext[4], tpow_ofdm_ext[4];
445 uint8_t tpow_ht20[8], tpow_ht40[8];
446 uint8_t ht40inc;
447 int16_t pwr = 0, max_ant_gain, power[ATHN_POWER_COUNT68];
448 int i;
449
450 ar9287_set_power_calib(sc, c);
451
452 /* Compute transmit power reduction due to antenna gain. */
453 max_ant_gain = MAX(modal->antennaGainCh[0], modal->antennaGainCh[1])(((modal->antennaGainCh[0])>(modal->antennaGainCh[1]
))?(modal->antennaGainCh[0]):(modal->antennaGainCh[1]));
454 /* XXX */
455
456 /*
457 * Reduce scaled power by number of active chains to get per-chain
458 * transmit power level.
459 */
460 if (sc->ntxchains == 2)
461 pwr -= AR_PWR_DECREASE_FOR_2_CHAIN6;
462 if (pwr < 0)
463 pwr = 0;
Value stored to 'pwr' is never read
464
465 /* Get CCK target powers. */
466 ar5008_get_lg_tpow(sc, c, AR_CTL_11B1, eep->calTargetPowerCck,
467 AR9287_NUM_2G_CCK_TARGET_POWERS3, tpow_cck);
468
469 /* Get OFDM target powers. */
470 ar5008_get_lg_tpow(sc, c, AR_CTL_11G2, eep->calTargetPower2G,
471 AR9287_NUM_2G_20_TARGET_POWERS3, tpow_ofdm);
472
473 /* Get HT-20 target powers. */
474 ar5008_get_ht_tpow(sc, c, AR_CTL_2GHT205, eep->calTargetPower2GHT20,
475 AR9287_NUM_2G_20_TARGET_POWERS3, tpow_ht20);
476
477 if (extc != NULL((void *)0)) {
478 /* Get HT-40 target powers. */
479 ar5008_get_ht_tpow(sc, c, AR_CTL_2GHT407,
480 eep->calTargetPower2GHT40, AR9287_NUM_2G_40_TARGET_POWERS3,
481 tpow_ht40);
482
483 /* Get secondary channel CCK target powers. */
484 ar5008_get_lg_tpow(sc, extc, AR_CTL_11B1,
485 eep->calTargetPowerCck, AR9287_NUM_2G_CCK_TARGET_POWERS3,
486 tpow_cck_ext);
487
488 /* Get secondary channel OFDM target powers. */
489 ar5008_get_lg_tpow(sc, extc, AR_CTL_11G2,
490 eep->calTargetPower2G, AR9287_NUM_2G_20_TARGET_POWERS3,
491 tpow_ofdm_ext);
492 }
493
494 memset(power, 0, sizeof(power))__builtin_memset((power), (0), (sizeof(power)));
495 /* Shuffle target powers across transmit rates. */
496 power[ATHN_POWER_OFDM60 ] =
497 power[ATHN_POWER_OFDM91 ] =
498 power[ATHN_POWER_OFDM122 ] =
499 power[ATHN_POWER_OFDM183 ] =
500 power[ATHN_POWER_OFDM244 ] = tpow_ofdm[0];
501 power[ATHN_POWER_OFDM365 ] = tpow_ofdm[1];
502 power[ATHN_POWER_OFDM486 ] = tpow_ofdm[2];
503 power[ATHN_POWER_OFDM547 ] = tpow_ofdm[3];
504 power[ATHN_POWER_XR15 ] = tpow_ofdm[0];
505 power[ATHN_POWER_CCK1_LP8 ] = tpow_cck[0];
506 power[ATHN_POWER_CCK2_LP9 ] =
507 power[ATHN_POWER_CCK2_SP10 ] = tpow_cck[1];
508 power[ATHN_POWER_CCK55_LP11] =
509 power[ATHN_POWER_CCK55_SP12] = tpow_cck[2];
510 power[ATHN_POWER_CCK11_LP13] =
511 power[ATHN_POWER_CCK11_SP14] = tpow_cck[3];
512 for (i = 0; i < nitems(tpow_ht20)(sizeof((tpow_ht20)) / sizeof((tpow_ht20)[0])); i++)
513 power[ATHN_POWER_HT20(i)(16 + (i))] = tpow_ht20[i];
514 if (extc != NULL((void *)0)) {
515 /* Correct PAR difference between HT40 and HT20/Legacy. */
516 if (sc->eep_rev >= AR_EEP_MINOR_VER_22)
517 ht40inc = modal->ht40PowerIncForPdadc;
518 else
519 ht40inc = AR_HT40_POWER_INC_FOR_PDADC2;
520 for (i = 0; i < nitems(tpow_ht40)(sizeof((tpow_ht40)) / sizeof((tpow_ht40)[0])); i++)
521 power[ATHN_POWER_HT40(i)(40 + (i))] = tpow_ht40[i] + ht40inc;
522 power[ATHN_POWER_OFDM_DUP65] = tpow_ht40[0];
523 power[ATHN_POWER_CCK_DUP64 ] = tpow_ht40[0];
524 power[ATHN_POWER_OFDM_EXT67] = tpow_ofdm_ext[0];
525 if (IEEE80211_IS_CHAN_2GHZ(c)(((c)->ic_flags & 0x0080) != 0))
526 power[ATHN_POWER_CCK_EXT66] = tpow_cck_ext[0];
527 }
528
529 for (i = 0; i < ATHN_POWER_COUNT68; i++) {
530 power[i] -= AR_PWR_TABLE_OFFSET_DB(-5) * 2; /* In half dB. */
531 if (power[i] > AR_MAX_RATE_POWER63)
532 power[i] = AR_MAX_RATE_POWER63;
533 }
534 /* Commit transmit power values to hardware. */
535 ar5008_write_txpower(sc, power);
536}
537
538void
539ar9287_olpc_init(struct athn_softc *sc)
540{
541 uint32_t reg;
542
543 AR_SETBITS(sc, AR_PHY_TX_PWRCTRL9, AR_PHY_TX_PWRCTRL9_RES_DC_REMOVAL)(sc)->ops.write((sc), (0xa27c), ((sc)->ops.read((sc), (
0xa27c)) | (0x80000000)));
544
545 reg = AR_READ(sc, AR9287_AN_TXPC0)(sc)->ops.read((sc), (0x7898));
546 reg = RW(reg, AR9287_AN_TXPC0_TXPCMODE,(((reg) & ~0x0000c000) | (((uint32_t)(2) << 14) &
0x0000c000))
547 AR9287_AN_TXPC0_TXPCMODE_TEMPSENSE)(((reg) & ~0x0000c000) | (((uint32_t)(2) << 14) &
0x0000c000));
548 AR_WRITE(sc, AR9287_AN_TXPC0, reg)(sc)->ops.write((sc), (0x7898), (reg));
549 AR_WRITE_BARRIER(sc)(sc)->ops.write_barrier((sc));
550 DELAY(100)(*delay_func)(100);
551}
552
553void
554ar9287_olpc_temp_compensation(struct athn_softc *sc)
555{
556 const struct ar9287_eeprom *eep = sc->eep;
557 int8_t pdadc, slope, tcomp;
558 uint32_t reg;
559
560 reg = AR_READ(sc, AR_PHY_TX_PWRCTRL4)(sc)->ops.read((sc), (0xa264));
561 pdadc = MS(reg, AR_PHY_TX_PWRCTRL_PD_AVG_OUT)(((uint32_t)(reg) & 0x000001fe) >> 1);
562 DPRINTFN(3, ("PD Avg Out=%d\n", pdadc));
563
564 if (sc->pdadc == 0 || pdadc == 0)
565 return; /* No frames transmitted yet. */
566
567 /* Compute Tx gain temperature compensation. */
568 if (sc->eep_rev >= AR_EEP_MINOR_VER_22)
569 slope = eep->baseEepHeader.tempSensSlope;
570 else
571 slope = 0;
572 if (slope != 0) /* Prevents division by zero. */
573 tcomp = ((pdadc - sc->pdadc) * 4) / slope;
574 else
575 tcomp = 0;
576 DPRINTFN(3, ("OLPC temp compensation=%d\n", tcomp));
577
578 /* Write compensation value for both Tx chains. */
579 reg = AR_READ(sc, AR_PHY_CH0_TX_PWRCTRL11)(sc)->ops.read((sc), (0xa398));
580 reg = RW(reg, AR_PHY_TX_PWRCTRL_OLPC_TEMP_COMP, tcomp)(((reg) & ~0x0000fc00) | (((uint32_t)(tcomp) << 10)
& 0x0000fc00));
581 AR_WRITE(sc, AR_PHY_CH0_TX_PWRCTRL11, reg)(sc)->ops.write((sc), (0xa398), (reg));
582
583 reg = AR_READ(sc, AR_PHY_CH1_TX_PWRCTRL11)(sc)->ops.read((sc), (0xb398));
584 reg = RW(reg, AR_PHY_TX_PWRCTRL_OLPC_TEMP_COMP, tcomp)(((reg) & ~0x0000fc00) | (((uint32_t)(tcomp) << 10)
& 0x0000fc00));
585 AR_WRITE(sc, AR_PHY_CH1_TX_PWRCTRL11, reg)(sc)->ops.write((sc), (0xb398), (reg));
586 AR_WRITE_BARRIER(sc)(sc)->ops.write_barrier((sc));
587}
588
589void
590ar9287_1_3_enable_async_fifo(struct athn_softc *sc)
591{
592 /* Enable ASYNC FIFO. */
593 AR_SETBITS(sc, AR_MAC_PCU_ASYNC_FIFO_REG3,(sc)->ops.write((sc), (0x8358), ((sc)->ops.read((sc), (
0x8358)) | (0x00000400)))
594 AR_MAC_PCU_ASYNC_FIFO_REG3_DATAPATH_SEL)(sc)->ops.write((sc), (0x8358), ((sc)->ops.read((sc), (
0x8358)) | (0x00000400)));
595 AR_SETBITS(sc, AR_PHY_MODE, AR_PHY_MODE_ASYNCFIFO)(sc)->ops.write((sc), (0xa200), ((sc)->ops.read((sc), (
0xa200)) | (0x00000080)));
596 AR_CLRBITS(sc, AR_MAC_PCU_ASYNC_FIFO_REG3,(sc)->ops.write((sc), (0x8358), ((sc)->ops.read((sc), (
0x8358)) & ~(0x80000000)))
597 AR_MAC_PCU_ASYNC_FIFO_REG3_SOFT_RESET)(sc)->ops.write((sc), (0x8358), ((sc)->ops.read((sc), (
0x8358)) & ~(0x80000000)));
598 AR_SETBITS(sc, AR_MAC_PCU_ASYNC_FIFO_REG3,(sc)->ops.write((sc), (0x8358), ((sc)->ops.read((sc), (
0x8358)) | (0x80000000)))
599 AR_MAC_PCU_ASYNC_FIFO_REG3_SOFT_RESET)(sc)->ops.write((sc), (0x8358), ((sc)->ops.read((sc), (
0x8358)) | (0x80000000)));
600 AR_WRITE_BARRIER(sc)(sc)->ops.write_barrier((sc));
601}
602
603void
604ar9287_1_3_setup_async_fifo(struct athn_softc *sc)
605{
606 uint32_t reg;
607
608 /*
609 * MAC runs at 117MHz (instead of 88/44MHz) when ASYNC FIFO is
610 * enabled, so the following counters have to be changed.
611 */
612 AR_WRITE(sc, AR_D_GBL_IFS_SIFS, AR_D_GBL_IFS_SIFS_ASYNC_FIFO_DUR)(sc)->ops.write((sc), (0x1030), (0x000003ab));
613 AR_WRITE(sc, AR_D_GBL_IFS_SLOT, AR_D_GBL_IFS_SLOT_ASYNC_FIFO_DUR)(sc)->ops.write((sc), (0x1070), (0x00000420));
614 AR_WRITE(sc, AR_D_GBL_IFS_EIFS, AR_D_GBL_IFS_EIFS_ASYNC_FIFO_DUR)(sc)->ops.write((sc), (0x10b0), (0x0000a5eb));
615
616 AR_WRITE(sc, AR_TIME_OUT, AR_TIME_OUT_ACK_CTS_ASYNC_FIFO_DUR)(sc)->ops.write((sc), (0x8014), (0x16001d56));
617 AR_WRITE(sc, AR_USEC, AR_USEC_ASYNC_FIFO_DUR)(sc)->ops.write((sc), (0x801c), (0x12e00074));
618
619 AR_SETBITS(sc, AR_MAC_PCU_LOGIC_ANALYZER,(sc)->ops.write((sc), (0x8264), ((sc)->ops.read((sc), (
0x8264)) | (0x20000000)))
620 AR_MAC_PCU_LOGIC_ANALYZER_DISBUG20768)(sc)->ops.write((sc), (0x8264), ((sc)->ops.read((sc), (
0x8264)) | (0x20000000)));
621
622 reg = AR_READ(sc, AR_AHB_MODE)(sc)->ops.read((sc), (0x4024));
623 reg = RW(reg, AR_AHB_CUSTOM_BURST, AR_AHB_CUSTOM_BURST_ASYNC_FIFO_VAL)(((reg) & ~0x000000c0) | (((uint32_t)(3) << 6) &
0x000000c0));
624 AR_WRITE(sc, AR_AHB_MODE, reg)(sc)->ops.write((sc), (0x4024), (reg));
625
626 AR_SETBITS(sc, AR_PCU_MISC_MODE2, AR_PCU_MISC_MODE2_ENABLE_AGGWEP)(sc)->ops.write((sc), (0x8344), ((sc)->ops.read((sc), (
0x8344)) | (0x00020000)));
627 AR_WRITE_BARRIER(sc)(sc)->ops.write_barrier((sc));
628}