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authorRafał Miłecki <zajec5@gmail.com>2011-12-20 16:45:47 -0500
committerJohn W. Linville <linville@tuxdriver.com>2012-01-04 14:30:41 -0500
commit9dd4d9b99218b2bebbcfb4627b34145250deeb6e (patch)
tree744b62edf1751fd2acf49a565b4cc9de408dd9dc /drivers/net/wireless/b43/phy_n.c
parent3b77d5ec0c86b8a9594217ff9024b00e4d1c5795 (diff)
b43: N-PHY: move common TX/RX functions
Signed-off-by: Rafał Miłecki <zajec5@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless/b43/phy_n.c')
-rw-r--r--drivers/net/wireless/b43/phy_n.c218
1 files changed, 111 insertions, 107 deletions
diff --git a/drivers/net/wireless/b43/phy_n.c b/drivers/net/wireless/b43/phy_n.c
index e89b04bcd1f4..52503c699b2e 100644
--- a/drivers/net/wireless/b43/phy_n.c
+++ b/drivers/net/wireless/b43/phy_n.c
@@ -1929,6 +1929,117 @@ static void b43_nphy_workarounds(struct b43_wldev *dev)
1929} 1929}
1930 1930
1931/************************************************** 1931/**************************************************
1932 * Tx/Rx common
1933 **************************************************/
1934
1935/*
1936 * Transmits a known value for LO calibration
1937 * http://bcm-v4.sipsolutions.net/802.11/PHY/N/TXTone
1938 */
1939static int b43_nphy_tx_tone(struct b43_wldev *dev, u32 freq, u16 max_val,
1940 bool iqmode, bool dac_test)
1941{
1942 u16 samp = b43_nphy_gen_load_samples(dev, freq, max_val, dac_test);
1943 if (samp == 0)
1944 return -1;
1945 b43_nphy_run_samples(dev, samp, 0xFFFF, 0, iqmode, dac_test);
1946 return 0;
1947}
1948
1949/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/Chains */
1950static void b43_nphy_update_txrx_chain(struct b43_wldev *dev)
1951{
1952 struct b43_phy_n *nphy = dev->phy.n;
1953
1954 bool override = false;
1955 u16 chain = 0x33;
1956
1957 if (nphy->txrx_chain == 0) {
1958 chain = 0x11;
1959 override = true;
1960 } else if (nphy->txrx_chain == 1) {
1961 chain = 0x22;
1962 override = true;
1963 }
1964
1965 b43_phy_maskset(dev, B43_NPHY_RFSEQCA,
1966 ~(B43_NPHY_RFSEQCA_TXEN | B43_NPHY_RFSEQCA_RXEN),
1967 chain);
1968
1969 if (override)
1970 b43_phy_set(dev, B43_NPHY_RFSEQMODE,
1971 B43_NPHY_RFSEQMODE_CAOVER);
1972 else
1973 b43_phy_mask(dev, B43_NPHY_RFSEQMODE,
1974 ~B43_NPHY_RFSEQMODE_CAOVER);
1975}
1976
1977/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/stop-playback */
1978static void b43_nphy_stop_playback(struct b43_wldev *dev)
1979{
1980 struct b43_phy_n *nphy = dev->phy.n;
1981 u16 tmp;
1982
1983 if (nphy->hang_avoid)
1984 b43_nphy_stay_in_carrier_search(dev, 1);
1985
1986 tmp = b43_phy_read(dev, B43_NPHY_SAMP_STAT);
1987 if (tmp & 0x1)
1988 b43_phy_set(dev, B43_NPHY_SAMP_CMD, B43_NPHY_SAMP_CMD_STOP);
1989 else if (tmp & 0x2)
1990 b43_phy_mask(dev, B43_NPHY_IQLOCAL_CMDGCTL, 0x7FFF);
1991
1992 b43_phy_mask(dev, B43_NPHY_SAMP_CMD, ~0x0004);
1993
1994 if (nphy->bb_mult_save & 0x80000000) {
1995 tmp = nphy->bb_mult_save & 0xFFFF;
1996 b43_ntab_write(dev, B43_NTAB16(15, 87), tmp);
1997 nphy->bb_mult_save = 0;
1998 }
1999
2000 if (nphy->hang_avoid)
2001 b43_nphy_stay_in_carrier_search(dev, 0);
2002}
2003
2004/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/IqCalGainParams */
2005static void b43_nphy_iq_cal_gain_params(struct b43_wldev *dev, u16 core,
2006 struct nphy_txgains target,
2007 struct nphy_iqcal_params *params)
2008{
2009 int i, j, indx;
2010 u16 gain;
2011
2012 if (dev->phy.rev >= 3) {
2013 params->txgm = target.txgm[core];
2014 params->pga = target.pga[core];
2015 params->pad = target.pad[core];
2016 params->ipa = target.ipa[core];
2017 params->cal_gain = (params->txgm << 12) | (params->pga << 8) |
2018 (params->pad << 4) | (params->ipa);
2019 for (j = 0; j < 5; j++)
2020 params->ncorr[j] = 0x79;
2021 } else {
2022 gain = (target.pad[core]) | (target.pga[core] << 4) |
2023 (target.txgm[core] << 8);
2024
2025 indx = (b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ) ?
2026 1 : 0;
2027 for (i = 0; i < 9; i++)
2028 if (tbl_iqcal_gainparams[indx][i][0] == gain)
2029 break;
2030 i = min(i, 8);
2031
2032 params->txgm = tbl_iqcal_gainparams[indx][i][1];
2033 params->pga = tbl_iqcal_gainparams[indx][i][2];
2034 params->pad = tbl_iqcal_gainparams[indx][i][3];
2035 params->cal_gain = (params->txgm << 7) | (params->pga << 4) |
2036 (params->pad << 2);
2037 for (j = 0; j < 4; j++)
2038 params->ncorr[j] = tbl_iqcal_gainparams[indx][i][4 + j];
2039 }
2040}
2041
2042/**************************************************
1932 * Tx and Rx 2043 * Tx and Rx
1933 **************************************************/ 2044 **************************************************/
1934 2045
@@ -2290,34 +2401,6 @@ static void b43_nphy_tx_lp_fbw(struct b43_wldev *dev)
2290 } 2401 }
2291} 2402}
2292 2403
2293/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/Chains */
2294static void b43_nphy_update_txrx_chain(struct b43_wldev *dev)
2295{
2296 struct b43_phy_n *nphy = dev->phy.n;
2297
2298 bool override = false;
2299 u16 chain = 0x33;
2300
2301 if (nphy->txrx_chain == 0) {
2302 chain = 0x11;
2303 override = true;
2304 } else if (nphy->txrx_chain == 1) {
2305 chain = 0x22;
2306 override = true;
2307 }
2308
2309 b43_phy_maskset(dev, B43_NPHY_RFSEQCA,
2310 ~(B43_NPHY_RFSEQCA_TXEN | B43_NPHY_RFSEQCA_RXEN),
2311 chain);
2312
2313 if (override)
2314 b43_phy_set(dev, B43_NPHY_RFSEQMODE,
2315 B43_NPHY_RFSEQMODE_CAOVER);
2316 else
2317 b43_phy_mask(dev, B43_NPHY_RFSEQMODE,
2318 ~B43_NPHY_RFSEQMODE_CAOVER);
2319}
2320
2321/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/RxIqEst */ 2404/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/RxIqEst */
2322static void b43_nphy_rx_iq_est(struct b43_wldev *dev, struct nphy_iq_est *est, 2405static void b43_nphy_rx_iq_est(struct b43_wldev *dev, struct nphy_iq_est *est,
2323 u16 samps, u8 time, bool wait) 2406 u16 samps, u8 time, bool wait)
@@ -2569,33 +2652,6 @@ static void b43_nphy_tx_iq_workaround(struct b43_wldev *dev)
2569 b43_shm_write16(dev, B43_SHM_SHARED, B43_SHM_SH_NPHY_TXIQW3, array[3]); 2652 b43_shm_write16(dev, B43_SHM_SHARED, B43_SHM_SH_NPHY_TXIQW3, array[3]);
2570} 2653}
2571 2654
2572/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/stop-playback */
2573static void b43_nphy_stop_playback(struct b43_wldev *dev)
2574{
2575 struct b43_phy_n *nphy = dev->phy.n;
2576 u16 tmp;
2577
2578 if (nphy->hang_avoid)
2579 b43_nphy_stay_in_carrier_search(dev, 1);
2580
2581 tmp = b43_phy_read(dev, B43_NPHY_SAMP_STAT);
2582 if (tmp & 0x1)
2583 b43_phy_set(dev, B43_NPHY_SAMP_CMD, B43_NPHY_SAMP_CMD_STOP);
2584 else if (tmp & 0x2)
2585 b43_phy_mask(dev, B43_NPHY_IQLOCAL_CMDGCTL, 0x7FFF);
2586
2587 b43_phy_mask(dev, B43_NPHY_SAMP_CMD, ~0x0004);
2588
2589 if (nphy->bb_mult_save & 0x80000000) {
2590 tmp = nphy->bb_mult_save & 0xFFFF;
2591 b43_ntab_write(dev, B43_NTAB16(15, 87), tmp);
2592 nphy->bb_mult_save = 0;
2593 }
2594
2595 if (nphy->hang_avoid)
2596 b43_nphy_stay_in_carrier_search(dev, 0);
2597}
2598
2599/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/SpurWar */ 2655/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/SpurWar */
2600static void b43_nphy_spur_workaround(struct b43_wldev *dev) 2656static void b43_nphy_spur_workaround(struct b43_wldev *dev)
2601{ 2657{
@@ -2655,20 +2711,6 @@ static void b43_nphy_spur_workaround(struct b43_wldev *dev)
2655 b43_nphy_stay_in_carrier_search(dev, 0); 2711 b43_nphy_stay_in_carrier_search(dev, 0);
2656} 2712}
2657 2713
2658/*
2659 * Transmits a known value for LO calibration
2660 * http://bcm-v4.sipsolutions.net/802.11/PHY/N/TXTone
2661 */
2662static int b43_nphy_tx_tone(struct b43_wldev *dev, u32 freq, u16 max_val,
2663 bool iqmode, bool dac_test)
2664{
2665 u16 samp = b43_nphy_gen_load_samples(dev, freq, max_val, dac_test);
2666 if (samp == 0)
2667 return -1;
2668 b43_nphy_run_samples(dev, samp, 0xFFFF, 0, iqmode, dac_test);
2669 return 0;
2670}
2671
2672/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/TxPwrCtrlCoefSetup */ 2714/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/TxPwrCtrlCoefSetup */
2673static void b43_nphy_tx_pwr_ctrl_coef_setup(struct b43_wldev *dev) 2715static void b43_nphy_tx_pwr_ctrl_coef_setup(struct b43_wldev *dev)
2674{ 2716{
@@ -2872,44 +2914,6 @@ static void b43_nphy_tx_cal_radio_setup(struct b43_wldev *dev)
2872 } 2914 }
2873} 2915}
2874 2916
2875/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/IqCalGainParams */
2876static void b43_nphy_iq_cal_gain_params(struct b43_wldev *dev, u16 core,
2877 struct nphy_txgains target,
2878 struct nphy_iqcal_params *params)
2879{
2880 int i, j, indx;
2881 u16 gain;
2882
2883 if (dev->phy.rev >= 3) {
2884 params->txgm = target.txgm[core];
2885 params->pga = target.pga[core];
2886 params->pad = target.pad[core];
2887 params->ipa = target.ipa[core];
2888 params->cal_gain = (params->txgm << 12) | (params->pga << 8) |
2889 (params->pad << 4) | (params->ipa);
2890 for (j = 0; j < 5; j++)
2891 params->ncorr[j] = 0x79;
2892 } else {
2893 gain = (target.pad[core]) | (target.pga[core] << 4) |
2894 (target.txgm[core] << 8);
2895
2896 indx = (b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ) ?
2897 1 : 0;
2898 for (i = 0; i < 9; i++)
2899 if (tbl_iqcal_gainparams[indx][i][0] == gain)
2900 break;
2901 i = min(i, 8);
2902
2903 params->txgm = tbl_iqcal_gainparams[indx][i][1];
2904 params->pga = tbl_iqcal_gainparams[indx][i][2];
2905 params->pad = tbl_iqcal_gainparams[indx][i][3];
2906 params->cal_gain = (params->txgm << 7) | (params->pga << 4) |
2907 (params->pad << 2);
2908 for (j = 0; j < 4; j++)
2909 params->ncorr[j] = tbl_iqcal_gainparams[indx][i][4 + j];
2910 }
2911}
2912
2913/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/UpdateTxCalLadder */ 2917/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/UpdateTxCalLadder */
2914static void b43_nphy_update_tx_cal_ladder(struct b43_wldev *dev, u16 core) 2918static void b43_nphy_update_tx_cal_ladder(struct b43_wldev *dev, u16 core)
2915{ 2919{
generated by cgit v1.2.2 (git 2.25.0) at 2025-01-07 23:19:38 -0500