ath9k_ar9002_phy.c File Reference

#include <ipxe/io.h>
#include "hw.h"
#include "ar9002_phy.h"

Go to the source code of this file.

Functions
static int	ar9002_hw_set_channel (struct ath_hw *ah, struct ath9k_channel *chan)
	DOC: Programming Atheros 802.11n analog front end radios. More...
static void	ar9002_hw_spur_mitigate (struct ath_hw *ah, struct ath9k_channel *chan)
	ar9002_hw_spur_mitigate - convert baseband spur frequency @ah: atheros hardware structure @chan: More...
static void	ar9002_olc_init (struct ath_hw *ah)
static u32	ar9002_hw_compute_pll_control (struct ath_hw *ah, struct ath9k_channel *chan)
static void	ar9002_hw_do_getnf (struct ath_hw *ah, int16_t nfarray[NUM_NF_READINGS])
static void	ar9002_hw_set_nf_limits (struct ath_hw *ah)
static void	ar9002_hw_antdiv_comb_conf_get (struct ath_hw *ah, struct ath_hw_antcomb_conf *antconf)
static void	ar9002_hw_antdiv_comb_conf_set (struct ath_hw *ah, struct ath_hw_antcomb_conf *antconf)
void	ar9002_hw_attach_phy_ops (struct ath_hw *ah)

Function Documentation

ar9002_hw_set_channel()

static int ar9002_hw_set_channel ( struct ath_hw *  ah, struct ath9k_channel *  chan  )

static

DOC: Programming Atheros 802.11n analog front end radios.

AR5416 MAC based PCI devices and AR518 MAC based PCI-Express devices have either an external AR2133 analog front end radio for single band 2.4 GHz communication or an AR5133 analog front end radio for dual band 2.4 GHz / 5 GHz communication.

All devices after the AR5416 and AR5418 family starting with the AR9280 have their analog front radios, MAC/BB and host PCIe/USB interface embedded into a single-chip and require less programming.

The following single-chips exist with a respective embedded radio:

AR9280 - 11n dual-band 2x2 MIMO for PCIe AR9281 - 11n single-band 1x2 MIMO for PCIe AR9285 - 11n single-band 1x1 for PCIe AR9287 - 11n single-band 2x2 MIMO for PCIe

AR9220 - 11n dual-band 2x2 MIMO for PCI AR9223 - 11n single-band 2x2 MIMO for PCI

AR9287 - 11n single-band 1x1 MIMO for USBar9002_hw_set_channel - set channel on single-chip device @ah: atheros hardware structure @chan:

This is the function to change channel on single-chip devices, that is all devices after ar9280.

This function takes the channel value in MHz and sets hardware channel value. Assumes writes have been enabled to analog bus.

Actual Expression,

For 2GHz channel, Channel Frequency = (3/4) * freq_ref * (chansel[8:0] + chanfrac[16:0]/2^17) (freq_ref = 40MHz)

For 5GHz channel, Channel Frequency = (3/2) * freq_ref * (chansel[8:0] + chanfrac[16:0]/2^10) (freq_ref = 40MHz/(24>>amodeRefSel))

Definition at line 71 of file ath9k_ar9002_phy.c.

{
        u16 bMode, fracMode, aModeRefSel = 0;
        u32 freq, ndiv, channelSel = 0, channelFrac = 0, reg32 = 0;
        struct chan_centers centers;
        u32 refDivA = 24;

        ath9k_hw_get_channel_centers(ah, chan, &centers);
        freq = centers.synth_center;

        reg32 = REG_READ(ah, AR_PHY_SYNTH_CONTROL);
        reg32 &= 0xc0000000;

        if (freq < 4800) { /* 2 GHz, fractional mode */
                u32 txctl;
                unsigned int regWrites = 0;

                bMode = 1;
                fracMode = 1;
                aModeRefSel = 0;
                channelSel = CHANSEL_2G(freq);

                if (AR_SREV_9287_11_OR_LATER(ah)) {
                        if (freq == 2484) {
                                /* Enable channel spreading for channel 14 */
                                REG_WRITE_ARRAY(&ah->iniCckfirJapan2484,
                                                1, regWrites);
                        } else {
                                REG_WRITE_ARRAY(&ah->iniCckfirNormal,
                                                1, regWrites);
                        }
                } else {
                        txctl = REG_READ(ah, AR_PHY_CCK_TX_CTRL);
                        if (freq == 2484) {
                                /* Enable channel spreading for channel 14 */
                                REG_WRITE(ah, AR_PHY_CCK_TX_CTRL,
                                          txctl | AR_PHY_CCK_TX_CTRL_JAPAN);
                        } else {
                                REG_WRITE(ah, AR_PHY_CCK_TX_CTRL,
                                          txctl & ~AR_PHY_CCK_TX_CTRL_JAPAN);
                        }
                }
        } else {
                bMode = 0;
                fracMode = 0;

                switch (ah->eep_ops->get_eeprom(ah, EEP_FRAC_N_5G)) {
                case 0:
                        if ((freq % 20) == 0)
                                aModeRefSel = 3;
                        else if ((freq % 10) == 0)
                                aModeRefSel = 2;
                        if (aModeRefSel)
                                break;
                        /* Fall through */
                case 1:
                default:
                        aModeRefSel = 0;
                        /*
                         * Enable 2G (fractional) mode for channels
                         * which are 5MHz spaced.
                         */
                        fracMode = 1;
                        refDivA = 1;
                        channelSel = CHANSEL_5G(freq);

                        /* RefDivA setting */
                        REG_RMW_FIELD(ah, AR_AN_SYNTH9,
                                      AR_AN_SYNTH9_REFDIVA, refDivA);

                }

                if (!fracMode) {
                        ndiv = (freq * (refDivA >> aModeRefSel)) / 60;
                        channelSel = ndiv & 0x1ff;
                        channelFrac = (ndiv & 0xfffffe00) * 2;
                        channelSel = (channelSel << 17) | channelFrac;
                }
        }

        reg32 = reg32 |
            (bMode << 29) |
            (fracMode << 28) | (aModeRefSel << 26) | (channelSel);

        REG_WRITE(ah, AR_PHY_SYNTH_CONTROL, reg32);

        ah->curchan = chan;
        ah->curchan_rad_index = -1;

        return 0;
}

References ah, AR_AN_SYNTH9, AR_AN_SYNTH9_REFDIVA, AR_PHY_CCK_TX_CTRL, AR_PHY_CCK_TX_CTRL_JAPAN, AR_PHY_SYNTH_CONTROL, AR_SREV_9287_11_OR_LATER, ath9k_hw_get_channel_centers(), CHANSEL_2G, CHANSEL_5G, EEP_FRAC_N_5G, REG_READ, REG_RMW_FIELD, REG_WRITE, REG_WRITE_ARRAY, and chan_centers::synth_center.

Referenced by ar9002_hw_attach_phy_ops().

ar9002_hw_spur_mitigate()

static void ar9002_hw_spur_mitigate ( struct ath_hw *  ah, struct ath9k_channel *  chan  )

static

ar9002_hw_spur_mitigate - convert baseband spur frequency @ah: atheros hardware structure @chan:

For single-chip solutions. Converts to baseband spur frequency given the input channel frequency and compute register settings below.

Definition at line 171 of file ath9k_ar9002_phy.c.

{
        int bb_spur = AR_NO_SPUR;
        int freq;
        int bin, cur_bin;
        int bb_spur_off, spur_subchannel_sd;
        int spur_freq_sd;
        int spur_delta_phase;
        int denominator;
        int upper, lower, cur_vit_mask;
        int tmp, newVal;
        int i;
        static const int pilot_mask_reg[4] = {
                AR_PHY_TIMING7, AR_PHY_TIMING8,
                AR_PHY_PILOT_MASK_01_30, AR_PHY_PILOT_MASK_31_60
        };
        static const int chan_mask_reg[4] = {
                AR_PHY_TIMING9, AR_PHY_TIMING10,
                AR_PHY_CHANNEL_MASK_01_30, AR_PHY_CHANNEL_MASK_31_60
        };
        static const int inc[4] = { 0, 100, 0, 0 };
        struct chan_centers centers;

        int8_t mask_m[123];
        int8_t mask_p[123];
        int8_t mask_amt;
        int tmp_mask;
        int cur_bb_spur;
        int is2GHz = IS_CHAN_2GHZ(chan);

        memset(&mask_m, 0, sizeof(int8_t) * 123);
        memset(&mask_p, 0, sizeof(int8_t) * 123);

        ath9k_hw_get_channel_centers(ah, chan, &centers);
        freq = centers.synth_center;

        ah->config.spurmode = SPUR_ENABLE_EEPROM;
        for (i = 0; i < AR_EEPROM_MODAL_SPURS; i++) {
                cur_bb_spur = ah->eep_ops->get_spur_channel(ah, i, is2GHz);

                if (AR_NO_SPUR == cur_bb_spur)
                        break;

                if (is2GHz)
                        cur_bb_spur = (cur_bb_spur / 10) + AR_BASE_FREQ_2GHZ;
                else
                        cur_bb_spur = (cur_bb_spur / 10) + AR_BASE_FREQ_5GHZ;

                cur_bb_spur = cur_bb_spur - freq;

                if (IS_CHAN_HT40(chan)) {
                        if ((cur_bb_spur > -AR_SPUR_FEEQ_BOUND_HT40) &&
                            (cur_bb_spur < AR_SPUR_FEEQ_BOUND_HT40)) {
                                bb_spur = cur_bb_spur;
                                break;
                        }
                } else if ((cur_bb_spur > -AR_SPUR_FEEQ_BOUND_HT20) &&
                           (cur_bb_spur < AR_SPUR_FEEQ_BOUND_HT20)) {
                        bb_spur = cur_bb_spur;
                        break;
                }
        }

        if (AR_NO_SPUR == bb_spur) {
                REG_CLR_BIT(ah, AR_PHY_FORCE_CLKEN_CCK,
                            AR_PHY_FORCE_CLKEN_CCK_MRC_MUX);
                return;
        } else {
                REG_CLR_BIT(ah, AR_PHY_FORCE_CLKEN_CCK,
                            AR_PHY_FORCE_CLKEN_CCK_MRC_MUX);
        }

        bin = bb_spur * 320;

        tmp = REG_READ(ah, AR_PHY_TIMING_CTRL4(0));

        ENABLE_REGWRITE_BUFFER(ah);

        newVal = tmp | (AR_PHY_TIMING_CTRL4_ENABLE_SPUR_RSSI |
                        AR_PHY_TIMING_CTRL4_ENABLE_SPUR_FILTER |
                        AR_PHY_TIMING_CTRL4_ENABLE_CHAN_MASK |
                        AR_PHY_TIMING_CTRL4_ENABLE_PILOT_MASK);
        REG_WRITE(ah, AR_PHY_TIMING_CTRL4(0), newVal);

        newVal = (AR_PHY_SPUR_REG_MASK_RATE_CNTL |
                  AR_PHY_SPUR_REG_ENABLE_MASK_PPM |
                  AR_PHY_SPUR_REG_MASK_RATE_SELECT |
                  AR_PHY_SPUR_REG_ENABLE_VIT_SPUR_RSSI |
                  SM(SPUR_RSSI_THRESH, AR_PHY_SPUR_REG_SPUR_RSSI_THRESH));
        REG_WRITE(ah, AR_PHY_SPUR_REG, newVal);

        if (IS_CHAN_HT40(chan)) {
                if (bb_spur < 0) {
                        spur_subchannel_sd = 1;
                        bb_spur_off = bb_spur + 10;
                } else {
                        spur_subchannel_sd = 0;
                        bb_spur_off = bb_spur - 10;
                }
        } else {
                spur_subchannel_sd = 0;
                bb_spur_off = bb_spur;
        }

        if (IS_CHAN_HT40(chan))
                spur_delta_phase =
                        ((bb_spur * 262144) /
                         10) & AR_PHY_TIMING11_SPUR_DELTA_PHASE;
        else
                spur_delta_phase =
                        ((bb_spur * 524288) /
                         10) & AR_PHY_TIMING11_SPUR_DELTA_PHASE;

        denominator = IS_CHAN_2GHZ(chan) ? 44 : 40;
        spur_freq_sd = ((bb_spur_off * 2048) / denominator) & 0x3ff;

        newVal = (AR_PHY_TIMING11_USE_SPUR_IN_AGC |
                  SM(spur_freq_sd, AR_PHY_TIMING11_SPUR_FREQ_SD) |
                  SM(spur_delta_phase, AR_PHY_TIMING11_SPUR_DELTA_PHASE));
        REG_WRITE(ah, AR_PHY_TIMING11, newVal);

        newVal = spur_subchannel_sd << AR_PHY_SFCORR_SPUR_SUBCHNL_SD_S;
        REG_WRITE(ah, AR_PHY_SFCORR_EXT, newVal);

        cur_bin = -6000;
        upper = bin + 100;
        lower = bin - 100;

        for (i = 0; i < 4; i++) {
                int pilot_mask = 0;
                int chan_mask = 0;
                int bp = 0;
                for (bp = 0; bp < 30; bp++) {
                        if ((cur_bin > lower) && (cur_bin < upper)) {
                                pilot_mask = pilot_mask | 0x1 << bp;
                                chan_mask = chan_mask | 0x1 << bp;
                        }
                        cur_bin += 100;
                }
                cur_bin += inc[i];
                REG_WRITE(ah, pilot_mask_reg[i], pilot_mask);
                REG_WRITE(ah, chan_mask_reg[i], chan_mask);
        }

        cur_vit_mask = 6100;
        upper = bin + 120;
        lower = bin - 120;

        for (i = 0; i < 123; i++) {
                if ((cur_vit_mask > lower) && (cur_vit_mask < upper)) {

                        /* workaround for gcc bug #37014 */
                        volatile int tmp_v = abs(cur_vit_mask - bin);

                        if (tmp_v < 75)
                                mask_amt = 1;
                        else
                                mask_amt = 0;
                        if (cur_vit_mask < 0)
                                mask_m[abs(cur_vit_mask / 100)] = mask_amt;
                        else
                                mask_p[cur_vit_mask / 100] = mask_amt;
                }
                cur_vit_mask -= 100;
        }

        tmp_mask = (mask_m[46] << 30) | (mask_m[47] << 28)
                | (mask_m[48] << 26) | (mask_m[49] << 24)
                | (mask_m[50] << 22) | (mask_m[51] << 20)
                | (mask_m[52] << 18) | (mask_m[53] << 16)
                | (mask_m[54] << 14) | (mask_m[55] << 12)
                | (mask_m[56] << 10) | (mask_m[57] << 8)
                | (mask_m[58] << 6) | (mask_m[59] << 4)
                | (mask_m[60] << 2) | (mask_m[61] << 0);
        REG_WRITE(ah, AR_PHY_BIN_MASK_1, tmp_mask);
        REG_WRITE(ah, AR_PHY_VIT_MASK2_M_46_61, tmp_mask);

        tmp_mask = (mask_m[31] << 28)
                | (mask_m[32] << 26) | (mask_m[33] << 24)
                | (mask_m[34] << 22) | (mask_m[35] << 20)
                | (mask_m[36] << 18) | (mask_m[37] << 16)
                | (mask_m[48] << 14) | (mask_m[39] << 12)
                | (mask_m[40] << 10) | (mask_m[41] << 8)
                | (mask_m[42] << 6) | (mask_m[43] << 4)
                | (mask_m[44] << 2) | (mask_m[45] << 0);
        REG_WRITE(ah, AR_PHY_BIN_MASK_2, tmp_mask);
        REG_WRITE(ah, AR_PHY_MASK2_M_31_45, tmp_mask);

        tmp_mask = (mask_m[16] << 30) | (mask_m[16] << 28)
                | (mask_m[18] << 26) | (mask_m[18] << 24)
                | (mask_m[20] << 22) | (mask_m[20] << 20)
                | (mask_m[22] << 18) | (mask_m[22] << 16)
                | (mask_m[24] << 14) | (mask_m[24] << 12)
                | (mask_m[25] << 10) | (mask_m[26] << 8)
                | (mask_m[27] << 6) | (mask_m[28] << 4)
                | (mask_m[29] << 2) | (mask_m[30] << 0);
        REG_WRITE(ah, AR_PHY_BIN_MASK_3, tmp_mask);
        REG_WRITE(ah, AR_PHY_MASK2_M_16_30, tmp_mask);

        tmp_mask = (mask_m[0] << 30) | (mask_m[1] << 28)
                | (mask_m[2] << 26) | (mask_m[3] << 24)
                | (mask_m[4] << 22) | (mask_m[5] << 20)
                | (mask_m[6] << 18) | (mask_m[7] << 16)
                | (mask_m[8] << 14) | (mask_m[9] << 12)
                | (mask_m[10] << 10) | (mask_m[11] << 8)
                | (mask_m[12] << 6) | (mask_m[13] << 4)
                | (mask_m[14] << 2) | (mask_m[15] << 0);
        REG_WRITE(ah, AR_PHY_MASK_CTL, tmp_mask);
        REG_WRITE(ah, AR_PHY_MASK2_M_00_15, tmp_mask);

        tmp_mask = (mask_p[15] << 28)
                | (mask_p[14] << 26) | (mask_p[13] << 24)
                | (mask_p[12] << 22) | (mask_p[11] << 20)
                | (mask_p[10] << 18) | (mask_p[9] << 16)
                | (mask_p[8] << 14) | (mask_p[7] << 12)
                | (mask_p[6] << 10) | (mask_p[5] << 8)
                | (mask_p[4] << 6) | (mask_p[3] << 4)
                | (mask_p[2] << 2) | (mask_p[1] << 0);
        REG_WRITE(ah, AR_PHY_BIN_MASK2_1, tmp_mask);
        REG_WRITE(ah, AR_PHY_MASK2_P_15_01, tmp_mask);

        tmp_mask = (mask_p[30] << 28)
                | (mask_p[29] << 26) | (mask_p[28] << 24)
                | (mask_p[27] << 22) | (mask_p[26] << 20)
                | (mask_p[25] << 18) | (mask_p[24] << 16)
                | (mask_p[23] << 14) | (mask_p[22] << 12)
                | (mask_p[21] << 10) | (mask_p[20] << 8)
                | (mask_p[19] << 6) | (mask_p[18] << 4)
                | (mask_p[17] << 2) | (mask_p[16] << 0);
        REG_WRITE(ah, AR_PHY_BIN_MASK2_2, tmp_mask);
        REG_WRITE(ah, AR_PHY_MASK2_P_30_16, tmp_mask);

        tmp_mask = (mask_p[45] << 28)
                | (mask_p[44] << 26) | (mask_p[43] << 24)
                | (mask_p[42] << 22) | (mask_p[41] << 20)
                | (mask_p[40] << 18) | (mask_p[39] << 16)
                | (mask_p[38] << 14) | (mask_p[37] << 12)
                | (mask_p[36] << 10) | (mask_p[35] << 8)
                | (mask_p[34] << 6) | (mask_p[33] << 4)
                | (mask_p[32] << 2) | (mask_p[31] << 0);
        REG_WRITE(ah, AR_PHY_BIN_MASK2_3, tmp_mask);
        REG_WRITE(ah, AR_PHY_MASK2_P_45_31, tmp_mask);

        tmp_mask = (mask_p[61] << 30) | (mask_p[60] << 28)
                | (mask_p[59] << 26) | (mask_p[58] << 24)
                | (mask_p[57] << 22) | (mask_p[56] << 20)
                | (mask_p[55] << 18) | (mask_p[54] << 16)
                | (mask_p[53] << 14) | (mask_p[52] << 12)
                | (mask_p[51] << 10) | (mask_p[50] << 8)
                | (mask_p[49] << 6) | (mask_p[48] << 4)
                | (mask_p[47] << 2) | (mask_p[46] << 0);
        REG_WRITE(ah, AR_PHY_BIN_MASK2_4, tmp_mask);
        REG_WRITE(ah, AR_PHY_MASK2_P_61_45, tmp_mask);

        REGWRITE_BUFFER_FLUSH(ah);
}

References abs, ah, AR_BASE_FREQ_2GHZ, AR_BASE_FREQ_5GHZ, AR_EEPROM_MODAL_SPURS, AR_NO_SPUR, AR_PHY_BIN_MASK2_1, AR_PHY_BIN_MASK2_2, AR_PHY_BIN_MASK2_3, AR_PHY_BIN_MASK2_4, AR_PHY_BIN_MASK_1, AR_PHY_BIN_MASK_2, AR_PHY_BIN_MASK_3, AR_PHY_CHANNEL_MASK_01_30, AR_PHY_CHANNEL_MASK_31_60, AR_PHY_FORCE_CLKEN_CCK, AR_PHY_FORCE_CLKEN_CCK_MRC_MUX, AR_PHY_MASK2_M_00_15, AR_PHY_MASK2_M_16_30, AR_PHY_MASK2_M_31_45, AR_PHY_MASK2_P_15_01, AR_PHY_MASK2_P_30_16, AR_PHY_MASK2_P_45_31, AR_PHY_MASK2_P_61_45, AR_PHY_MASK_CTL, AR_PHY_PILOT_MASK_01_30, AR_PHY_PILOT_MASK_31_60, AR_PHY_SFCORR_EXT, AR_PHY_SFCORR_SPUR_SUBCHNL_SD_S, AR_PHY_SPUR_REG, AR_PHY_SPUR_REG_ENABLE_MASK_PPM, AR_PHY_SPUR_REG_ENABLE_VIT_SPUR_RSSI, AR_PHY_SPUR_REG_MASK_RATE_CNTL, AR_PHY_SPUR_REG_MASK_RATE_SELECT, AR_PHY_SPUR_REG_SPUR_RSSI_THRESH, AR_PHY_TIMING10, AR_PHY_TIMING11, AR_PHY_TIMING11_SPUR_DELTA_PHASE, AR_PHY_TIMING11_SPUR_FREQ_SD, AR_PHY_TIMING11_USE_SPUR_IN_AGC, AR_PHY_TIMING7, AR_PHY_TIMING8, AR_PHY_TIMING9, AR_PHY_TIMING_CTRL4, AR_PHY_TIMING_CTRL4_ENABLE_CHAN_MASK, AR_PHY_TIMING_CTRL4_ENABLE_PILOT_MASK, AR_PHY_TIMING_CTRL4_ENABLE_SPUR_FILTER, AR_PHY_TIMING_CTRL4_ENABLE_SPUR_RSSI, AR_PHY_VIT_MASK2_M_46_61, AR_SPUR_FEEQ_BOUND_HT20, AR_SPUR_FEEQ_BOUND_HT40, ath9k_hw_get_channel_centers(), bp, ENABLE_REGWRITE_BUFFER, IS_CHAN_2GHZ, IS_CHAN_HT40, memset(), REG_CLR_BIT, REG_READ, REG_WRITE, REGWRITE_BUFFER_FLUSH, SM, SPUR_ENABLE_EEPROM, SPUR_RSSI_THRESH, chan_centers::synth_center, and tmp.

Referenced by ar9002_hw_attach_phy_ops().

ar9002_olc_init()

static void ar9002_olc_init ( struct ath_hw *  ah )

static

Definition at line 429 of file ath9k_ar9002_phy.c.

{
        u32 i;

        if (!OLC_FOR_AR9280_20_LATER)
                return;

        if (OLC_FOR_AR9287_10_LATER) {
                REG_SET_BIT(ah, AR_PHY_TX_PWRCTRL9,
                                AR_PHY_TX_PWRCTRL9_RES_DC_REMOVAL);
                ath9k_hw_analog_shift_rmw(ah, AR9287_AN_TXPC0,
                                AR9287_AN_TXPC0_TXPCMODE,
                                AR9287_AN_TXPC0_TXPCMODE_S,
                                AR9287_AN_TXPC0_TXPCMODE_TEMPSENSE);
                udelay(100);
        } else {
                for (i = 0; i < AR9280_TX_GAIN_TABLE_SIZE; i++)
                        ah->originalGain[i] =
                                MS(REG_READ(ah, AR_PHY_TX_GAIN_TBL1 + i * 4),
                                                AR_PHY_TX_GAIN);
                ah->PDADCdelta = 0;
        }
}

References ah, AR9280_TX_GAIN_TABLE_SIZE, AR9287_AN_TXPC0, AR9287_AN_TXPC0_TXPCMODE, AR9287_AN_TXPC0_TXPCMODE_S, AR9287_AN_TXPC0_TXPCMODE_TEMPSENSE, AR_PHY_TX_GAIN, AR_PHY_TX_GAIN_TBL1, AR_PHY_TX_PWRCTRL9, AR_PHY_TX_PWRCTRL9_RES_DC_REMOVAL, ath9k_hw_analog_shift_rmw(), MS, OLC_FOR_AR9280_20_LATER, OLC_FOR_AR9287_10_LATER, REG_READ, REG_SET_BIT, and udelay().

Referenced by ar9002_hw_attach_phy_ops().

ar9002_hw_compute_pll_control()

static u32 ar9002_hw_compute_pll_control ( struct ath_hw *  ah, struct ath9k_channel *  chan  )

static

Definition at line 453 of file ath9k_ar9002_phy.c.

{
        u32 pll;

        pll = SM(0x5, AR_RTC_9160_PLL_REFDIV);

        if (chan && IS_CHAN_HALF_RATE(chan))
                pll |= SM(0x1, AR_RTC_9160_PLL_CLKSEL);
        else if (chan && IS_CHAN_QUARTER_RATE(chan))
                pll |= SM(0x2, AR_RTC_9160_PLL_CLKSEL);

        if (chan && IS_CHAN_5GHZ(chan)) {
                if (IS_CHAN_A_FAST_CLOCK(ah, chan))
                        pll = 0x142c;
                else if (AR_SREV_9280_20(ah))
                        pll = 0x2850;
                else
                        pll |= SM(0x28, AR_RTC_9160_PLL_DIV);
        } else {
                pll |= SM(0x2c, AR_RTC_9160_PLL_DIV);
        }

        return pll;
}

References ah, AR_RTC_9160_PLL_CLKSEL, AR_RTC_9160_PLL_DIV, AR_RTC_9160_PLL_REFDIV, AR_SREV_9280_20, IS_CHAN_5GHZ, IS_CHAN_A_FAST_CLOCK, IS_CHAN_HALF_RATE, IS_CHAN_QUARTER_RATE, and SM.

Referenced by ar9002_hw_attach_phy_ops().

ar9002_hw_do_getnf()

static void ar9002_hw_do_getnf ( struct ath_hw *  ah, int16_t  nfarray[NUM_NF_READINGS]  )

static

Definition at line 479 of file ath9k_ar9002_phy.c.

{
        int16_t nf;

        nf = MS(REG_READ(ah, AR_PHY_CCA), AR9280_PHY_MINCCA_PWR);
        nfarray[0] = sign_extend32(nf, 8);

        nf = MS(REG_READ(ah, AR_PHY_EXT_CCA), AR9280_PHY_EXT_MINCCA_PWR);
        if (IS_CHAN_HT40(ah->curchan))
                nfarray[3] = sign_extend32(nf, 8);

        if (AR_SREV_9285(ah) || AR_SREV_9271(ah))
                return;

        nf = MS(REG_READ(ah, AR_PHY_CH1_CCA), AR9280_PHY_CH1_MINCCA_PWR);
        nfarray[1] = sign_extend32(nf, 8);

        nf = MS(REG_READ(ah, AR_PHY_CH1_EXT_CCA), AR9280_PHY_CH1_EXT_MINCCA_PWR);
        if (IS_CHAN_HT40(ah->curchan))
                nfarray[4] = sign_extend32(nf, 8);
}

References ah, AR9280_PHY_CH1_EXT_MINCCA_PWR, AR9280_PHY_CH1_MINCCA_PWR, AR9280_PHY_EXT_MINCCA_PWR, AR9280_PHY_MINCCA_PWR, AR_PHY_CCA, AR_PHY_CH1_CCA, AR_PHY_CH1_EXT_CCA, AR_PHY_EXT_CCA, AR_SREV_9271, AR_SREV_9285, IS_CHAN_HT40, MS, REG_READ, and sign_extend32().

Referenced by ar9002_hw_attach_phy_ops().

ar9002_hw_set_nf_limits()

static void ar9002_hw_set_nf_limits ( struct ath_hw *  ah )

static

Definition at line 502 of file ath9k_ar9002_phy.c.

{
        if (AR_SREV_9285(ah)) {
                ah->nf_2g.max = AR_PHY_CCA_MAX_GOOD_VAL_9285_2GHZ;
                ah->nf_2g.min = AR_PHY_CCA_MIN_GOOD_VAL_9285_2GHZ;
                ah->nf_2g.nominal = AR_PHY_CCA_NOM_VAL_9285_2GHZ;
        } else if (AR_SREV_9287(ah)) {
                ah->nf_2g.max = AR_PHY_CCA_MAX_GOOD_VAL_9287_2GHZ;
                ah->nf_2g.min = AR_PHY_CCA_MIN_GOOD_VAL_9287_2GHZ;
                ah->nf_2g.nominal = AR_PHY_CCA_NOM_VAL_9287_2GHZ;
        } else if (AR_SREV_9271(ah)) {
                ah->nf_2g.max = AR_PHY_CCA_MAX_GOOD_VAL_9271_2GHZ;
                ah->nf_2g.min = AR_PHY_CCA_MIN_GOOD_VAL_9271_2GHZ;
                ah->nf_2g.nominal = AR_PHY_CCA_NOM_VAL_9271_2GHZ;
        } else {
                ah->nf_2g.max = AR_PHY_CCA_MAX_GOOD_VAL_9280_2GHZ;
                ah->nf_2g.min = AR_PHY_CCA_MIN_GOOD_VAL_9280_2GHZ;
                ah->nf_2g.nominal = AR_PHY_CCA_NOM_VAL_9280_2GHZ;
                ah->nf_5g.max = AR_PHY_CCA_MAX_GOOD_VAL_9280_5GHZ;
                ah->nf_5g.min = AR_PHY_CCA_MIN_GOOD_VAL_9280_5GHZ;
                ah->nf_5g.nominal = AR_PHY_CCA_NOM_VAL_9280_5GHZ;
        }
}

References ah, AR_PHY_CCA_MAX_GOOD_VAL_9271_2GHZ, AR_PHY_CCA_MAX_GOOD_VAL_9280_2GHZ, AR_PHY_CCA_MAX_GOOD_VAL_9280_5GHZ, AR_PHY_CCA_MAX_GOOD_VAL_9285_2GHZ, AR_PHY_CCA_MAX_GOOD_VAL_9287_2GHZ, AR_PHY_CCA_MIN_GOOD_VAL_9271_2GHZ, AR_PHY_CCA_MIN_GOOD_VAL_9280_2GHZ, AR_PHY_CCA_MIN_GOOD_VAL_9280_5GHZ, AR_PHY_CCA_MIN_GOOD_VAL_9285_2GHZ, AR_PHY_CCA_MIN_GOOD_VAL_9287_2GHZ, AR_PHY_CCA_NOM_VAL_9271_2GHZ, AR_PHY_CCA_NOM_VAL_9280_2GHZ, AR_PHY_CCA_NOM_VAL_9280_5GHZ, AR_PHY_CCA_NOM_VAL_9285_2GHZ, AR_PHY_CCA_NOM_VAL_9287_2GHZ, AR_SREV_9271, AR_SREV_9285, and AR_SREV_9287.

Referenced by ar9002_hw_attach_phy_ops().

ar9002_hw_antdiv_comb_conf_get()

static void ar9002_hw_antdiv_comb_conf_get ( struct ath_hw *  ah, struct ath_hw_antcomb_conf *  antconf  )

static

Definition at line 526 of file ath9k_ar9002_phy.c.

{
        u32 regval;

        regval = REG_READ(ah, AR_PHY_MULTICHAIN_GAIN_CTL);
        antconf->main_lna_conf = (regval & AR_PHY_9285_ANT_DIV_MAIN_LNACONF) >>
                                  AR_PHY_9285_ANT_DIV_MAIN_LNACONF_S;
        antconf->alt_lna_conf = (regval & AR_PHY_9285_ANT_DIV_ALT_LNACONF) >>
                                 AR_PHY_9285_ANT_DIV_ALT_LNACONF_S;
        antconf->fast_div_bias = (regval & AR_PHY_9285_FAST_DIV_BIAS) >>
                                  AR_PHY_9285_FAST_DIV_BIAS_S;
        antconf->lna1_lna2_delta = -3;
        antconf->div_group = 0;
}

References ah, ath_hw_antcomb_conf::alt_lna_conf, AR_PHY_9285_ANT_DIV_ALT_LNACONF, AR_PHY_9285_ANT_DIV_ALT_LNACONF_S, AR_PHY_9285_ANT_DIV_MAIN_LNACONF, AR_PHY_9285_ANT_DIV_MAIN_LNACONF_S, AR_PHY_9285_FAST_DIV_BIAS, AR_PHY_9285_FAST_DIV_BIAS_S, AR_PHY_MULTICHAIN_GAIN_CTL, ath_hw_antcomb_conf::div_group, ath_hw_antcomb_conf::fast_div_bias, ath_hw_antcomb_conf::lna1_lna2_delta, ath_hw_antcomb_conf::main_lna_conf, and REG_READ.

Referenced by ar9002_hw_attach_phy_ops().

ar9002_hw_antdiv_comb_conf_set()

static void ar9002_hw_antdiv_comb_conf_set ( struct ath_hw *  ah, struct ath_hw_antcomb_conf *  antconf  )

static

Definition at line 542 of file ath9k_ar9002_phy.c.

{
        u32 regval;

        regval = REG_READ(ah, AR_PHY_MULTICHAIN_GAIN_CTL);
        regval &= ~(AR_PHY_9285_ANT_DIV_MAIN_LNACONF |
                    AR_PHY_9285_ANT_DIV_ALT_LNACONF |
                    AR_PHY_9285_FAST_DIV_BIAS);
        regval |= ((antconf->main_lna_conf << AR_PHY_9285_ANT_DIV_MAIN_LNACONF_S)
                   & AR_PHY_9285_ANT_DIV_MAIN_LNACONF);
        regval |= ((antconf->alt_lna_conf << AR_PHY_9285_ANT_DIV_ALT_LNACONF_S)
                   & AR_PHY_9285_ANT_DIV_ALT_LNACONF);
        regval |= ((antconf->fast_div_bias << AR_PHY_9285_FAST_DIV_BIAS_S)
                   & AR_PHY_9285_FAST_DIV_BIAS);

        REG_WRITE(ah, AR_PHY_MULTICHAIN_GAIN_CTL, regval);
}

References ah, ath_hw_antcomb_conf::alt_lna_conf, AR_PHY_9285_ANT_DIV_ALT_LNACONF, AR_PHY_9285_ANT_DIV_ALT_LNACONF_S, AR_PHY_9285_ANT_DIV_MAIN_LNACONF, AR_PHY_9285_ANT_DIV_MAIN_LNACONF_S, AR_PHY_9285_FAST_DIV_BIAS, AR_PHY_9285_FAST_DIV_BIAS_S, AR_PHY_MULTICHAIN_GAIN_CTL, ath_hw_antcomb_conf::fast_div_bias, ath_hw_antcomb_conf::main_lna_conf, REG_READ, and REG_WRITE.

Referenced by ar9002_hw_attach_phy_ops().

ar9002_hw_attach_phy_ops()

void ar9002_hw_attach_phy_ops

(

struct ath_hw *

ah

)

Definition at line 561 of file ath9k_ar9002_phy.c.

{
        struct ath_hw_private_ops *priv_ops = ath9k_hw_private_ops(ah);
        struct ath_hw_ops *ops = ath9k_hw_ops(ah);

        priv_ops->set_rf_regs = NULL;
        priv_ops->rf_alloc_ext_banks = NULL;
        priv_ops->rf_free_ext_banks = NULL;
        priv_ops->rf_set_freq = ar9002_hw_set_channel;
        priv_ops->spur_mitigate_freq = ar9002_hw_spur_mitigate;
        priv_ops->olc_init = ar9002_olc_init;
        priv_ops->compute_pll_control = ar9002_hw_compute_pll_control;
        priv_ops->do_getnf = ar9002_hw_do_getnf;

        ops->antdiv_comb_conf_get = ar9002_hw_antdiv_comb_conf_get;
        ops->antdiv_comb_conf_set = ar9002_hw_antdiv_comb_conf_set;

        ar9002_hw_set_nf_limits(ah);
}

References ah, ath_hw_ops::antdiv_comb_conf_get, ath_hw_ops::antdiv_comb_conf_set, ar9002_hw_antdiv_comb_conf_get(), ar9002_hw_antdiv_comb_conf_set(), ar9002_hw_compute_pll_control(), ar9002_hw_do_getnf(), ar9002_hw_set_channel(), ar9002_hw_set_nf_limits(), ar9002_hw_spur_mitigate(), ar9002_olc_init(), ath9k_hw_ops(), ath9k_hw_private_ops(), ath_hw_private_ops::compute_pll_control, ath_hw_private_ops::do_getnf, NULL, ath_hw_private_ops::olc_init, ath_hw_private_ops::rf_alloc_ext_banks, ath_hw_private_ops::rf_free_ext_banks, ath_hw_private_ops::rf_set_freq, ath_hw_private_ops::set_rf_regs, and ath_hw_private_ops::spur_mitigate_freq.

Referenced by ar9002_hw_attach_ops().