diff options
Diffstat (limited to 'sys/dev/ic/rtwphy.c')
| -rw-r--r-- | sys/dev/ic/rtwphy.c | 651 |
1 files changed, 0 insertions, 651 deletions
diff --git a/sys/dev/ic/rtwphy.c b/sys/dev/ic/rtwphy.c deleted file mode 100644 index d27fbbc23f1..00000000000 --- a/sys/dev/ic/rtwphy.c +++ /dev/null @@ -1,651 +0,0 @@ -/* $OpenBSD: rtwphy.c,v 1.1 2004/12/29 01:02:31 jsg Exp $ */ -/* $NetBSD: rtwphy.c,v 1.2 2004/12/12 06:37:59 dyoung Exp $ */ -/*- - * Copyright (c) 2004, 2005 David Young. All rights reserved. - * - * Programmed for NetBSD by David Young. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. The name of David Young may not be used to endorse or promote - * products derived from this software without specific prior - * written permission. - * - * THIS SOFTWARE IS PROVIDED BY David Young ``AS IS'' AND ANY - * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, - * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A - * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL David - * Young BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, - * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED - * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, - * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND - * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, - * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY - * OF SUCH DAMAGE. - */ -/* - * Control the Philips SA2400 RF front-end and the baseband processor - * built into the Realtek RTL8180. - */ - -#include <sys/cdefs.h> -#include <sys/param.h> -#include <sys/socket.h> -#include <sys/systm.h> -#include <sys/types.h> -#include <sys/malloc.h> - -#include <machine/bus.h> - -#include <net/if.h> -#include <net/if_media.h> -#include <netinet/in.h> -#include <netinet/if_ether.h> - -#include <net80211/ieee80211_var.h> -#include <net80211/ieee80211_compat.h> -#include <net80211/ieee80211_radiotap.h> - -#include <dev/ic/rtwreg.h> -#include <dev/ic/max2820reg.h> -#include <dev/ic/sa2400reg.h> -#include <dev/ic/rtwvar.h> -#include <dev/ic/rtwphyio.h> -#include <dev/ic/rtwphy.h> - -int rtw_bbp_preinit(struct rtw_regs *, u_int, int, u_int); -int rtw_bbp_init(struct rtw_regs *, struct rtw_bbpset *, int, - int, u_int8_t, u_int); - -void verify_syna(u_int, u_int32_t); - -int rtw_sa2400_pwrstate(struct rtw_rf *, enum rtw_pwrstate); -int rtw_sa2400_txpower(struct rtw_rf *, u_int8_t); -int rtw_sa2400_tune(struct rtw_rf *, u_int); -int rtw_sa2400_manrx_init(struct rtw_sa2400 *); -int rtw_sa2400_vcocal_start(struct rtw_sa2400 *, int); -int rtw_sa2400_vco_calibration(struct rtw_sa2400 *); -int rtw_sa2400_filter_calibration(struct rtw_sa2400 *); -int rtw_sa2400_dc_calibration(struct rtw_sa2400 *); -int rtw_sa2400_agc_init(struct rtw_sa2400 *); -void rtw_sa2400_destroy(struct rtw_rf *); -int rtw_sa2400_calibrate(struct rtw_rf *, u_int); -int rtw_sa2400_init(struct rtw_rf *, u_int, u_int8_t, - enum rtw_pwrstate); - -int rtw_max2820_pwrstate(struct rtw_rf *, enum rtw_pwrstate); -void rtw_max2820_destroy(struct rtw_rf *); -int rtw_max2820_init(struct rtw_rf *, u_int, u_int8_t, - enum rtw_pwrstate); -int rtw_max2820_txpower(struct rtw_rf *, u_int8_t); -int rtw_max2820_tune(struct rtw_rf *, u_int); - -int -rtw_bbp_preinit(struct rtw_regs *regs, u_int antatten0, int dflantb, - u_int freq) -{ - u_int antatten = antatten0; - if (dflantb) - antatten |= RTW_BBP_ANTATTEN_DFLANTB; - if (freq == 2484) /* channel 14 */ - antatten |= RTW_BBP_ANTATTEN_CHAN14; - return rtw_bbp_write(regs, RTW_BBP_ANTATTEN, antatten); -} - -int -rtw_bbp_init(struct rtw_regs *regs, struct rtw_bbpset *bb, int antdiv, - int dflantb, u_int8_t cs_threshold, u_int freq) -{ - int rc; - u_int32_t sys2, sys3; - - sys2 = bb->bb_sys2; - if (antdiv) - sys2 |= RTW_BBP_SYS2_ANTDIV; - sys3 = bb->bb_sys3 | - LSHIFT(cs_threshold, RTW_BBP_SYS3_CSTHRESH_MASK); - -#define RTW_BBP_WRITE_OR_RETURN(reg, val) \ - if ((rc = rtw_bbp_write(regs, reg, val)) != 0) \ - return rc; - - RTW_BBP_WRITE_OR_RETURN(RTW_BBP_SYS1, bb->bb_sys1); - RTW_BBP_WRITE_OR_RETURN(RTW_BBP_TXAGC, bb->bb_txagc); - RTW_BBP_WRITE_OR_RETURN(RTW_BBP_LNADET, bb->bb_lnadet); - RTW_BBP_WRITE_OR_RETURN(RTW_BBP_IFAGCINI, bb->bb_ifagcini); - RTW_BBP_WRITE_OR_RETURN(RTW_BBP_IFAGCLIMIT, bb->bb_ifagclimit); - RTW_BBP_WRITE_OR_RETURN(RTW_BBP_IFAGCDET, bb->bb_ifagcdet); - - if ((rc = rtw_bbp_preinit(regs, bb->bb_antatten, dflantb, freq)) != 0) - return rc; - - RTW_BBP_WRITE_OR_RETURN(RTW_BBP_TRL, bb->bb_trl); - RTW_BBP_WRITE_OR_RETURN(RTW_BBP_SYS2, sys2); - RTW_BBP_WRITE_OR_RETURN(RTW_BBP_SYS3, sys3); - RTW_BBP_WRITE_OR_RETURN(RTW_BBP_CHESTLIM, bb->bb_chestlim); - RTW_BBP_WRITE_OR_RETURN(RTW_BBP_CHSQLIM, bb->bb_chsqlim); - return 0; -} - -int -rtw_sa2400_txpower(struct rtw_rf *rf, u_int8_t opaque_txpower) -{ - struct rtw_sa2400 *sa = (struct rtw_sa2400 *)rf; - struct rtw_rfbus *bus = &sa->sa_bus; - - return rtw_rfbus_write(bus, RTW_RFCHIPID_PHILIPS, SA2400_TX, - opaque_txpower); -} - -/* make sure we're using the same settings as the reference driver */ -void -verify_syna(u_int freq, u_int32_t val) -{ - u_int32_t expected_val = ~val; - - switch (freq) { - case 2412: - expected_val = 0x0000096c; /* ch 1 */ - break; - case 2417: - expected_val = 0x00080970; /* ch 2 */ - break; - case 2422: - expected_val = 0x00100974; /* ch 3 */ - break; - case 2427: - expected_val = 0x00180978; /* ch 4 */ - break; - case 2432: - expected_val = 0x00000980; /* ch 5 */ - break; - case 2437: - expected_val = 0x00080984; /* ch 6 */ - break; - case 2442: - expected_val = 0x00100988; /* ch 7 */ - break; - case 2447: - expected_val = 0x0018098c; /* ch 8 */ - break; - case 2452: - expected_val = 0x00000994; /* ch 9 */ - break; - case 2457: - expected_val = 0x00080998; /* ch 10 */ - break; - case 2462: - expected_val = 0x0010099c; /* ch 11 */ - break; - case 2467: - expected_val = 0x001809a0; /* ch 12 */ - break; - case 2472: - expected_val = 0x000009a8; /* ch 13 */ - break; - case 2484: - expected_val = 0x000009b4; /* ch 14 */ - break; - } - KASSERT(val == expected_val); -} - -/* freq is in MHz */ -int -rtw_sa2400_tune(struct rtw_rf *rf, u_int freq) -{ - struct rtw_sa2400 *sa = (struct rtw_sa2400 *)rf; - struct rtw_rfbus *bus = &sa->sa_bus; - int rc; - u_int32_t syna, synb, sync; - - /* XO = 44MHz, R = 11, hence N is in units of XO / R = 4MHz. - * - * The channel spacing (5MHz) is not divisible by 4MHz, so - * we set the fractional part of N to compensate. - */ - int n = freq / 4, nf = (freq % 4) * 2; - - syna = LSHIFT(nf, SA2400_SYNA_NF_MASK) | LSHIFT(n, SA2400_SYNA_N_MASK); - verify_syna(freq, syna); - - /* Divide the 44MHz crystal down to 4MHz. Set the fractional - * compensation charge pump value to agree with the fractional - * modulus. - */ - synb = LSHIFT(11, SA2400_SYNB_R_MASK) | SA2400_SYNB_L_NORMAL | - SA2400_SYNB_ON | SA2400_SYNB_ONE | - LSHIFT(80, SA2400_SYNB_FC_MASK); /* agrees w/ SA2400_SYNA_FM = 0 */ - - sync = SA2400_SYNC_CP_NORMAL; - - if ((rc = rtw_rfbus_write(bus, RTW_RFCHIPID_PHILIPS, SA2400_SYNA, - syna)) != 0) - return rc; - if ((rc = rtw_rfbus_write(bus, RTW_RFCHIPID_PHILIPS, SA2400_SYNB, - synb)) != 0) - return rc; - if ((rc = rtw_rfbus_write(bus, RTW_RFCHIPID_PHILIPS, SA2400_SYNC, - sync)) != 0) - return rc; - return rtw_rfbus_write(bus, RTW_RFCHIPID_PHILIPS, SA2400_SYND, 0x0); -} - -int -rtw_sa2400_pwrstate(struct rtw_rf *rf, enum rtw_pwrstate power) -{ - struct rtw_sa2400 *sa = (struct rtw_sa2400 *)rf; - struct rtw_rfbus *bus = &sa->sa_bus; - u_int32_t opmode; - opmode = SA2400_OPMODE_DEFAULTS; - switch (power) { - case RTW_ON: - opmode |= SA2400_OPMODE_MODE_TXRX; - break; - case RTW_SLEEP: - opmode |= SA2400_OPMODE_MODE_WAIT; - break; - case RTW_OFF: - opmode |= SA2400_OPMODE_MODE_SLEEP; - break; - } - - if (sa->sa_digphy) - opmode |= SA2400_OPMODE_DIGIN; - - return rtw_rfbus_write(bus, RTW_RFCHIPID_PHILIPS, SA2400_OPMODE, - opmode); -} - -int -rtw_sa2400_manrx_init(struct rtw_sa2400 *sa) -{ - u_int32_t manrx; - - /* XXX we are not supposed to be in RXMGC mode when we do - * this? - */ - manrx = SA2400_MANRX_AHSN; - manrx |= SA2400_MANRX_TEN; - manrx |= LSHIFT(1023, SA2400_MANRX_RXGAIN_MASK); - - return rtw_rfbus_write(&sa->sa_bus, RTW_RFCHIPID_PHILIPS, SA2400_MANRX, - manrx); -} - -int -rtw_sa2400_vcocal_start(struct rtw_sa2400 *sa, int start) -{ - u_int32_t opmode; - - opmode = SA2400_OPMODE_DEFAULTS; - if (start) - opmode |= SA2400_OPMODE_MODE_VCOCALIB; - else - opmode |= SA2400_OPMODE_MODE_SLEEP; - - if (sa->sa_digphy) - opmode |= SA2400_OPMODE_DIGIN; - - return rtw_rfbus_write(&sa->sa_bus, RTW_RFCHIPID_PHILIPS, SA2400_OPMODE, - opmode); -} - -int -rtw_sa2400_vco_calibration(struct rtw_sa2400 *sa) -{ - int rc; - /* calibrate VCO */ - if ((rc = rtw_sa2400_vcocal_start(sa, 1)) != 0) - return rc; - DELAY(2200); /* 2.2 milliseconds */ - /* XXX superfluous: SA2400 automatically entered SLEEP mode. */ - return rtw_sa2400_vcocal_start(sa, 0); -} - -int -rtw_sa2400_filter_calibration(struct rtw_sa2400 *sa) -{ - u_int32_t opmode; - - opmode = SA2400_OPMODE_DEFAULTS | SA2400_OPMODE_MODE_FCALIB; - if (sa->sa_digphy) - opmode |= SA2400_OPMODE_DIGIN; - - return rtw_rfbus_write(&sa->sa_bus, RTW_RFCHIPID_PHILIPS, SA2400_OPMODE, - opmode); -} - -int -rtw_sa2400_dc_calibration(struct rtw_sa2400 *sa) -{ - struct rtw_rf *rf = &sa->sa_rf; - int rc; - u_int32_t dccal; - - (*rf->rf_continuous_tx_cb)(rf->rf_continuous_tx_arg, 1); - - dccal = SA2400_OPMODE_DEFAULTS | SA2400_OPMODE_MODE_TXRX; - - rc = rtw_rfbus_write(&sa->sa_bus, RTW_RFCHIPID_PHILIPS, SA2400_OPMODE, - dccal); - if (rc != 0) - return rc; - - DELAY(5); /* DCALIB after being in Tx mode for 5 - * microseconds - */ - - dccal &= ~SA2400_OPMODE_MODE_MASK; - dccal |= SA2400_OPMODE_MODE_DCALIB; - - rc = rtw_rfbus_write(&sa->sa_bus, RTW_RFCHIPID_PHILIPS, SA2400_OPMODE, - dccal); - if (rc != 0) - return rc; - - DELAY(20); /* calibration takes at most 20 microseconds */ - - (*rf->rf_continuous_tx_cb)(rf->rf_continuous_tx_arg, 0); - - return 0; -} - -int -rtw_sa2400_agc_init(struct rtw_sa2400 *sa) -{ - u_int32_t agc; - - agc = LSHIFT(25, SA2400_AGC_MAXGAIN_MASK); - agc |= LSHIFT(7, SA2400_AGC_BBPDELAY_MASK); - agc |= LSHIFT(15, SA2400_AGC_LNADELAY_MASK); - agc |= LSHIFT(27, SA2400_AGC_RXONDELAY_MASK); - - return rtw_rfbus_write(&sa->sa_bus, RTW_RFCHIPID_PHILIPS, SA2400_AGC, - agc); -} - -void -rtw_sa2400_destroy(struct rtw_rf *rf) -{ - struct rtw_sa2400 *sa = (struct rtw_sa2400 *)rf; - memset(sa, 0, sizeof(*sa)); - free(sa, M_DEVBUF); -} - -int -rtw_sa2400_calibrate(struct rtw_rf *rf, u_int freq) -{ - struct rtw_sa2400 *sa = (struct rtw_sa2400 *)rf; - int i, rc; - - /* XXX reference driver calibrates VCO twice. Is it a bug? */ - for (i = 0; i < 2; i++) { - if ((rc = rtw_sa2400_vco_calibration(sa)) != 0) - return rc; - } - /* VCO calibration erases synthesizer registers, so re-tune */ - if ((rc = rtw_sa2400_tune(rf, freq)) != 0) - return rc; - if ((rc = rtw_sa2400_filter_calibration(sa)) != 0) - return rc; - /* analog PHY needs DC calibration */ - if (!sa->sa_digphy) - return rtw_sa2400_dc_calibration(sa); - return 0; -} - -int -rtw_sa2400_init(struct rtw_rf *rf, u_int freq, u_int8_t opaque_txpower, - enum rtw_pwrstate power) -{ - struct rtw_sa2400 *sa = (struct rtw_sa2400 *)rf; - int rc; - - if ((rc = rtw_sa2400_txpower(rf, opaque_txpower)) != 0) - return rc; - - /* skip configuration if it's time to sleep or to power-down. */ - if (power == RTW_SLEEP || power == RTW_OFF) - return rtw_sa2400_pwrstate(rf, power); - - /* go to sleep for configuration */ - if ((rc = rtw_sa2400_pwrstate(rf, RTW_SLEEP)) != 0) - return rc; - - if ((rc = rtw_sa2400_tune(rf, freq)) != 0) - return rc; - if ((rc = rtw_sa2400_agc_init(sa)) != 0) - return rc; - if ((rc = rtw_sa2400_manrx_init(sa)) != 0) - return rc; - - if ((rc = rtw_sa2400_calibrate(rf, freq)) != 0) - return rc; - - /* enter Tx/Rx mode */ - return rtw_sa2400_pwrstate(rf, power); -} - -struct rtw_rf * -rtw_sa2400_create(struct rtw_regs *regs, rtw_rf_write_t rf_write, int digphy) -{ - struct rtw_sa2400 *sa; - struct rtw_rfbus *bus; - struct rtw_rf *rf; - struct rtw_bbpset *bb; - - sa = malloc(sizeof(*sa), M_DEVBUF, M_NOWAIT); - if (sa == NULL) - return NULL; - bzero(sa, sizeof(struct rtw_sa2400)); - - sa->sa_digphy = digphy; - - rf = &sa->sa_rf; - bus = &sa->sa_bus; - - rf->rf_init = rtw_sa2400_init; - rf->rf_destroy = rtw_sa2400_destroy; - rf->rf_txpower = rtw_sa2400_txpower; - rf->rf_tune = rtw_sa2400_tune; - rf->rf_pwrstate = rtw_sa2400_pwrstate; - bb = &rf->rf_bbpset; - - /* XXX magic */ - bb->bb_antatten = RTW_BBP_ANTATTEN_PHILIPS_MAGIC; - bb->bb_chestlim = 0x00; - bb->bb_chsqlim = 0xa0; - bb->bb_ifagcdet = 0x64; - bb->bb_ifagcini = 0x90; - bb->bb_ifagclimit = 0x1a; - bb->bb_lnadet = 0xe0; - bb->bb_sys1 = 0x98; - bb->bb_sys2 = 0x47; - bb->bb_sys3 = 0x90; - bb->bb_trl = 0x88; - bb->bb_txagc = 0x38; - - bus->b_regs = regs; - bus->b_write = rf_write; - - return &sa->sa_rf; -} - -/* freq is in MHz */ -int -rtw_max2820_tune(struct rtw_rf *rf, u_int freq) -{ - struct rtw_max2820 *mx = (struct rtw_max2820 *)rf; - struct rtw_rfbus *bus = &mx->mx_bus; - - if (freq < 2400 || freq > 2499) - return -1; - - return rtw_rfbus_write(bus, RTW_RFCHIPID_MAXIM, MAX2820_CHANNEL, - LSHIFT(freq - 2400, MAX2820_CHANNEL_CF_MASK)); -} - -void -rtw_max2820_destroy(struct rtw_rf *rf) -{ - struct rtw_max2820 *mx = (struct rtw_max2820 *)rf; - memset(mx, 0, sizeof(*mx)); - free(mx, M_DEVBUF); -} - -int -rtw_max2820_init(struct rtw_rf *rf, u_int freq, u_int8_t opaque_txpower, - enum rtw_pwrstate power) -{ - struct rtw_max2820 *mx = (struct rtw_max2820 *)rf; - struct rtw_rfbus *bus = &mx->mx_bus; - int rc; - - if ((rc = rtw_rfbus_write(bus, RTW_RFCHIPID_MAXIM, MAX2820_TEST, - MAX2820_TEST_DEFAULT)) != 0) - return rc; - - if ((rc = rtw_rfbus_write(bus, RTW_RFCHIPID_MAXIM, MAX2820_ENABLE, - MAX2820_ENABLE_DEFAULT)) != 0) - return rc; - - /* skip configuration if it's time to sleep or to power-down. */ - if ((rc = rtw_max2820_pwrstate(rf, power)) != 0) - return rc; - else if (power == RTW_OFF || power == RTW_SLEEP) - return 0; - - if ((rc = rtw_rfbus_write(bus, RTW_RFCHIPID_MAXIM, MAX2820_SYNTH, - MAX2820_SYNTH_R_44MHZ)) != 0) - return rc; - - if ((rc = rtw_max2820_tune(rf, freq)) != 0) - return rc; - - /* XXX The MAX2820 datasheet indicates that 1C and 2C should not - * be changed from 7, however, the reference driver sets them - * to 4 and 1, respectively. - */ - if ((rc = rtw_rfbus_write(bus, RTW_RFCHIPID_MAXIM, MAX2820_RECEIVE, - MAX2820_RECEIVE_DL_DEFAULT | - LSHIFT(4, MAX2820A_RECEIVE_1C_MASK) | - LSHIFT(1, MAX2820A_RECEIVE_2C_MASK))) != 0) - return rc; - - return rtw_rfbus_write(bus, RTW_RFCHIPID_MAXIM, MAX2820_TRANSMIT, - MAX2820_TRANSMIT_PA_DEFAULT); -} - -int -rtw_max2820_txpower(struct rtw_rf *rf, u_int8_t opaque_txpower) -{ - /* TBD */ - return 0; -} - -int -rtw_max2820_pwrstate(struct rtw_rf *rf, enum rtw_pwrstate power) -{ - uint32_t enable; - struct rtw_max2820 *mx; - struct rtw_rfbus *bus; - - mx = (struct rtw_max2820 *)rf; - bus = &mx->mx_bus; - - switch (power) { - case RTW_OFF: - case RTW_SLEEP: - default: - enable = 0x0; - break; - case RTW_ON: - enable = MAX2820_ENABLE_DEFAULT; - break; - } - return rtw_rfbus_write(bus, RTW_RFCHIPID_MAXIM, MAX2820_ENABLE, enable); -} - -struct rtw_rf * -rtw_max2820_create(struct rtw_regs *regs, rtw_rf_write_t rf_write, int is_a) -{ - struct rtw_max2820 *mx; - struct rtw_rfbus *bus; - struct rtw_rf *rf; - struct rtw_bbpset *bb; - - mx = malloc(sizeof(*mx), M_DEVBUF, M_NOWAIT); - if (mx == NULL) - return NULL; - bzero(mx, sizeof(struct rtw_max2820)); - - mx->mx_is_a = is_a; - - rf = &mx->mx_rf; - bus = &mx->mx_bus; - - rf->rf_init = rtw_max2820_init; - rf->rf_destroy = rtw_max2820_destroy; - rf->rf_txpower = rtw_max2820_txpower; - rf->rf_tune = rtw_max2820_tune; - rf->rf_pwrstate = rtw_max2820_pwrstate; - bb = &rf->rf_bbpset; - - /* XXX magic */ - bb->bb_antatten = RTW_BBP_ANTATTEN_MAXIM_MAGIC; - bb->bb_chestlim = 0; - bb->bb_chsqlim = 159; - bb->bb_ifagcdet = 100; - bb->bb_ifagcini = 144; - bb->bb_ifagclimit = 26; - bb->bb_lnadet = 248; - bb->bb_sys1 = 136; - bb->bb_sys2 = 71; - bb->bb_sys3 = 155; - bb->bb_trl = 136; - bb->bb_txagc = 8; - - bus->b_regs = regs; - bus->b_write = rf_write; - - return &mx->mx_rf; -} - -/* freq is in MHz */ -int -rtw_phy_init(struct rtw_regs *regs, struct rtw_rf *rf, u_int8_t opaque_txpower, - u_int8_t cs_threshold, u_int freq, int antdiv, int dflantb, - enum rtw_pwrstate power) -{ - int rc; - RTW_DPRINTF(RTW_DEBUG_PHY, - ("%s: txpower %u csthresh %u freq %u antdiv %u dflantb %u " - "pwrstate %s\n", __func__, opaque_txpower, cs_threshold, freq, - antdiv, dflantb, rtw_pwrstate_string(power))); - - /* XXX is this really necessary? */ - if ((rc = rtw_rf_txpower(rf, opaque_txpower)) != 0) - return rc; - if ((rc = rtw_bbp_preinit(regs, rf->rf_bbpset.bb_antatten, dflantb, - freq)) != 0) - return rc; - if ((rc = rtw_rf_tune(rf, freq)) != 0) - return rc; - /* initialize RF */ - if ((rc = rtw_rf_init(rf, freq, opaque_txpower, power)) != 0) - return rc; -#if 0 /* what is this redundant tx power setting here for? */ - if ((rc = rtw_rf_txpower(rf, opaque_txpower)) != 0) - return rc; -#endif - return rtw_bbp_init(regs, &rf->rf_bbpset, antdiv, dflantb, - cs_threshold, freq); -} |