diff options
Diffstat (limited to 'drivers/staging/winbond/phy_calibration.c')
| -rw-r--r-- | drivers/staging/winbond/phy_calibration.c | 1759 |
1 files changed, 1759 insertions, 0 deletions
diff --git a/drivers/staging/winbond/phy_calibration.c b/drivers/staging/winbond/phy_calibration.c new file mode 100644 index 000000000000..272a65066aba --- /dev/null +++ b/drivers/staging/winbond/phy_calibration.c @@ -0,0 +1,1759 @@ +/* + * phy_302_calibration.c + * + * Copyright (C) 2002, 2005 Winbond Electronics Corp. + * + * modification history + * --------------------------------------------------------------------------- + * 0.01.001, 2003-04-16, Kevin created + * + */ + +/****************** INCLUDE FILES SECTION ***********************************/ +#include "os_common.h" +#include "phy_calibration.h" + + +/****************** DEBUG CONSTANT AND MACRO SECTION ************************/ + +/****************** LOCAL CONSTANT AND MACRO SECTION ************************/ +#define LOOP_TIMES 20 +#define US 1000//MICROSECOND + +#define AG_CONST 0.6072529350 +#define FIXED(X) ((s32)((X) * 32768.0)) +#define DEG2RAD(X) 0.017453 * (X) + +/****************** LOCAL TYPE DEFINITION SECTION ***************************/ +typedef s32 fixed; /* 16.16 fixed-point */ + +static const fixed Angles[]= +{ + FIXED(DEG2RAD(45.0)), FIXED(DEG2RAD(26.565)), FIXED(DEG2RAD(14.0362)), + FIXED(DEG2RAD(7.12502)), FIXED(DEG2RAD(3.57633)), FIXED(DEG2RAD(1.78991)), + FIXED(DEG2RAD(0.895174)),FIXED(DEG2RAD(0.447614)),FIXED(DEG2RAD(0.223811)), + FIXED(DEG2RAD(0.111906)),FIXED(DEG2RAD(0.055953)),FIXED(DEG2RAD(0.027977)) +}; + +/****************** LOCAL FUNCTION DECLARATION SECTION **********************/ +//void _phy_rf_write_delay(hw_data_t *phw_data); +//void phy_init_rf(hw_data_t *phw_data); + +/****************** FUNCTION DEFINITION SECTION *****************************/ + +s32 _s13_to_s32(u32 data) +{ + u32 val; + + val = (data & 0x0FFF); + + if ((data & BIT(12)) != 0) + { + val |= 0xFFFFF000; + } + + return ((s32) val); +} + +u32 _s32_to_s13(s32 data) +{ + u32 val; + + if (data > 4095) + { + data = 4095; + } + else if (data < -4096) + { + data = -4096; + } + + val = data & 0x1FFF; + + return val; +} + +/****************************************************************************/ +s32 _s4_to_s32(u32 data) +{ + s32 val; + + val = (data & 0x0007); + + if ((data & BIT(3)) != 0) + { + val |= 0xFFFFFFF8; + } + + return val; +} + +u32 _s32_to_s4(s32 data) +{ + u32 val; + + if (data > 7) + { + data = 7; + } + else if (data < -8) + { + data = -8; + } + + val = data & 0x000F; + + return val; +} + +/****************************************************************************/ +s32 _s5_to_s32(u32 data) +{ + s32 val; + + val = (data & 0x000F); + + if ((data & BIT(4)) != 0) + { + val |= 0xFFFFFFF0; + } + + return val; +} + +u32 _s32_to_s5(s32 data) +{ + u32 val; + + if (data > 15) + { + data = 15; + } + else if (data < -16) + { + data = -16; + } + + val = data & 0x001F; + + return val; +} + +/****************************************************************************/ +s32 _s6_to_s32(u32 data) +{ + s32 val; + + val = (data & 0x001F); + + if ((data & BIT(5)) != 0) + { + val |= 0xFFFFFFE0; + } + + return val; +} + +u32 _s32_to_s6(s32 data) +{ + u32 val; + + if (data > 31) + { + data = 31; + } + else if (data < -32) + { + data = -32; + } + + val = data & 0x003F; + + return val; +} + +/****************************************************************************/ +s32 _s9_to_s32(u32 data) +{ + s32 val; + + val = data & 0x00FF; + + if ((data & BIT(8)) != 0) + { + val |= 0xFFFFFF00; + } + + return val; +} + +u32 _s32_to_s9(s32 data) +{ + u32 val; + + if (data > 255) + { + data = 255; + } + else if (data < -256) + { + data = -256; + } + + val = data & 0x01FF; + + return val; +} + +/****************************************************************************/ +s32 _floor(s32 n) +{ + if (n > 0) + { + n += 5; + } + else + { + n -= 5; + } + + return (n/10); +} + +/****************************************************************************/ +// The following code is sqare-root function. +// sqsum is the input and the output is sq_rt; +// The maximum of sqsum = 2^27 -1; +u32 _sqrt(u32 sqsum) +{ + u32 sq_rt; + + int g0, g1, g2, g3, g4; + int seed; + int next; + int step; + + g4 = sqsum / 100000000; + g3 = (sqsum - g4*100000000) /1000000; + g2 = (sqsum - g4*100000000 - g3*1000000) /10000; + g1 = (sqsum - g4*100000000 - g3*1000000 - g2*10000) /100; + g0 = (sqsum - g4*100000000 - g3*1000000 - g2*10000 - g1*100); + + next = g4; + step = 0; + seed = 0; + while (((seed+1)*(step+1)) <= next) + { + step++; + seed++; + } + + sq_rt = seed * 10000; + next = (next-(seed*step))*100 + g3; + + step = 0; + seed = 2 * seed * 10; + while (((seed+1)*(step+1)) <= next) + { + step++; + seed++; + } + + sq_rt = sq_rt + step * 1000; + next = (next - seed * step) * 100 + g2; + seed = (seed + step) * 10; + step = 0; + while (((seed+1)*(step+1)) <= next) + { + step++; + seed++; + } + + sq_rt = sq_rt + step * 100; + next = (next - seed * step) * 100 + g1; + seed = (seed + step) * 10; + step = 0; + + while (((seed+1)*(step+1)) <= next) + { + step++; + seed++; + } + + sq_rt = sq_rt + step * 10; + next = (next - seed* step) * 100 + g0; + seed = (seed + step) * 10; + step = 0; + + while (((seed+1)*(step+1)) <= next) + { + step++; + seed++; + } + + sq_rt = sq_rt + step; + + return sq_rt; +} + +/****************************************************************************/ +void _sin_cos(s32 angle, s32 *sin, s32 *cos) +{ + fixed X, Y, TargetAngle, CurrAngle; + unsigned Step; + + X=FIXED(AG_CONST); // AG_CONST * cos(0) + Y=0; // AG_CONST * sin(0) + TargetAngle=abs(angle); + CurrAngle=0; + + for (Step=0; Step < 12; Step++) + { + fixed NewX; + + if(TargetAngle > CurrAngle) + { + NewX=X - (Y >> Step); + Y=(X >> Step) + Y; + X=NewX; + CurrAngle += Angles[Step]; + } + else + { + NewX=X + (Y >> Step); + Y=-(X >> Step) + Y; + X=NewX; + CurrAngle -= Angles[Step]; + } + } + + if (angle > 0) + { + *cos = X; + *sin = Y; + } + else + { + *cos = X; + *sin = -Y; + } +} + + +void _reset_rx_cal(hw_data_t *phw_data) +{ + u32 val; + + hw_get_dxx_reg(phw_data, 0x54, &val); + + if (phw_data->revision == 0x2002) // 1st-cut + { + val &= 0xFFFF0000; + } + else // 2nd-cut + { + val &= 0x000003FF; + } + + hw_set_dxx_reg(phw_data, 0x54, val); +} + + +// ************for winbond calibration********* +// + +// +// +// ********************************************* +void _rxadc_dc_offset_cancellation_winbond(hw_data_t *phw_data, u32 frequency) +{ + u32 reg_agc_ctrl3; + u32 reg_a_acq_ctrl; + u32 reg_b_acq_ctrl; + u32 val; + + PHY_DEBUG(("[CAL] -> [1]_rxadc_dc_offset_cancellation()\n")); + phy_init_rf(phw_data); + + // set calibration channel + if( (RF_WB_242 == phw_data->phy_type) || + (RF_WB_242_1 == phw_data->phy_type) ) // 20060619.5 Add + { + if ((frequency >= 2412) && (frequency <= 2484)) + { + // w89rf242 change frequency to 2390Mhz + PHY_DEBUG(("[CAL] W89RF242/11G/Channel=2390Mhz\n")); + phy_set_rf_data(phw_data, 3, (3<<24)|0x025586); + + } + } + else + { + + } + + // reset cancel_dc_i[9:5] and cancel_dc_q[4:0] in register DC_Cancel + hw_get_dxx_reg(phw_data, 0x5C, &val); + val &= ~(0x03FF); + hw_set_dxx_reg(phw_data, 0x5C, val); + + // reset the TX and RX IQ calibration data + hw_set_dxx_reg(phw_data, 0x3C, 0); + hw_set_dxx_reg(phw_data, 0x54, 0); + + hw_set_dxx_reg(phw_data, 0x58, 0x30303030); // IQ_Alpha Changed + + // a. Disable AGC + hw_get_dxx_reg(phw_data, REG_AGC_CTRL3, ®_agc_ctrl3); + reg_agc_ctrl3 &= ~BIT(2); + reg_agc_ctrl3 |= (MASK_LNA_FIX_GAIN|MASK_AGC_FIX); + hw_set_dxx_reg(phw_data, REG_AGC_CTRL3, reg_agc_ctrl3); + + hw_get_dxx_reg(phw_data, REG_AGC_CTRL5, &val); + val |= MASK_AGC_FIX_GAIN; + hw_set_dxx_reg(phw_data, REG_AGC_CTRL5, val); + + // b. Turn off BB RX + hw_get_dxx_reg(phw_data, REG_A_ACQ_CTRL, ®_a_acq_ctrl); + reg_a_acq_ctrl |= MASK_AMER_OFF_REG; + hw_set_dxx_reg(phw_data, REG_A_ACQ_CTRL, reg_a_acq_ctrl); + + hw_get_dxx_reg(phw_data, REG_B_ACQ_CTRL, ®_b_acq_ctrl); + reg_b_acq_ctrl |= MASK_BMER_OFF_REG; + hw_set_dxx_reg(phw_data, REG_B_ACQ_CTRL, reg_b_acq_ctrl); + + // c. Make sure MAC is in receiving mode + // d. Turn ON ADC calibration + // - ADC calibrator is triggered by this signal rising from 0 to 1 + hw_get_dxx_reg(phw_data, REG_MODE_CTRL, &val); + val &= ~MASK_ADC_DC_CAL_STR; + hw_set_dxx_reg(phw_data, REG_MODE_CTRL, val); + + val |= MASK_ADC_DC_CAL_STR; + hw_set_dxx_reg(phw_data, REG_MODE_CTRL, val); + pa_stall_execution(US); // *MUST* wait for a while + + // e. The result are shown in "adc_dc_cal_i[8:0] and adc_dc_cal_q[8:0]" +#ifdef _DEBUG + hw_get_dxx_reg(phw_data, REG_OFFSET_READ, &val); + PHY_DEBUG(("[CAL] REG_OFFSET_READ = 0x%08X\n", val)); + + PHY_DEBUG(("[CAL] ** adc_dc_cal_i = %d (0x%04X)\n", + _s9_to_s32(val&0x000001FF), val&0x000001FF)); + PHY_DEBUG(("[CAL] ** adc_dc_cal_q = %d (0x%04X)\n", + _s9_to_s32((val&0x0003FE00)>>9), (val&0x0003FE00)>>9)); +#endif + + hw_get_dxx_reg(phw_data, REG_MODE_CTRL, &val); + val &= ~MASK_ADC_DC_CAL_STR; + hw_set_dxx_reg(phw_data, REG_MODE_CTRL, val); + + // f. Turn on BB RX + //hw_get_dxx_reg(phw_data, REG_A_ACQ_CTRL, ®_a_acq_ctrl); + reg_a_acq_ctrl &= ~MASK_AMER_OFF_REG; + hw_set_dxx_reg(phw_data, REG_A_ACQ_CTRL, reg_a_acq_ctrl); + + //hw_get_dxx_reg(phw_data, REG_B_ACQ_CTRL, ®_b_acq_ctrl); + reg_b_acq_ctrl &= ~MASK_BMER_OFF_REG; + hw_set_dxx_reg(phw_data, REG_B_ACQ_CTRL, reg_b_acq_ctrl); + + // g. Enable AGC + //hw_get_dxx_reg(phw_data, REG_AGC_CTRL3, &val); + reg_agc_ctrl3 |= BIT(2); + reg_agc_ctrl3 &= ~(MASK_LNA_FIX_GAIN|MASK_AGC_FIX); + hw_set_dxx_reg(phw_data, REG_AGC_CTRL3, reg_agc_ctrl3); +} + +//////////////////////////////////////////////////////// +void _txidac_dc_offset_cancellation_winbond(hw_data_t *phw_data) +{ + u32 reg_agc_ctrl3; + u32 reg_mode_ctrl; + u32 reg_dc_cancel; + s32 iqcal_image_i; + s32 iqcal_image_q; + u32 sqsum; + s32 mag_0; + s32 mag_1; + s32 fix_cancel_dc_i = 0; + u32 val; + int loop; + + PHY_DEBUG(("[CAL] -> [2]_txidac_dc_offset_cancellation()\n")); + + // a. Set to "TX calibration mode" + + //0x01 0xEE3FC2 ; 3B8FF ; Calibration (6a). enable TX IQ calibration loop circuits + phy_set_rf_data(phw_data, 1, (1<<24)|0xEE3FC2); + //0x0B 0x1905D6 ; 06417 ; Calibration (6b). enable TX I/Q cal loop squaring circuit + phy_set_rf_data(phw_data, 11, (11<<24)|0x1901D6); + //0x05 0x24C60A ; 09318 ; Calibration (6c). setting TX-VGA gain: TXGCH=2 & GPK=110 --> to be optimized + phy_set_rf_data(phw_data, 5, (5<<24)|0x24C48A); + //0x06 0x06880C ; 01A20 ; Calibration (6d). RXGCH=00; RXGCL=100 000 (RXVGA=32) --> to be optimized + phy_set_rf_data(phw_data, 6, (6<<24)|0x06890C); + //0x00 0xFDF1C0 ; 3F7C7 ; Calibration (6e). turn on IQ imbalance/Test mode + phy_set_rf_data(phw_data, 0, (0<<24)|0xFDF1C0); + + hw_set_dxx_reg(phw_data, 0x58, 0x30303030); // IQ_Alpha Changed + + // a. Disable AGC + hw_get_dxx_reg(phw_data, REG_AGC_CTRL3, ®_agc_ctrl3); + reg_agc_ctrl3 &= ~BIT(2); + reg_agc_ctrl3 |= (MASK_LNA_FIX_GAIN|MASK_AGC_FIX); + hw_set_dxx_reg(phw_data, REG_AGC_CTRL3, reg_agc_ctrl3); + + hw_get_dxx_reg(phw_data, REG_AGC_CTRL5, &val); + val |= MASK_AGC_FIX_GAIN; + hw_set_dxx_reg(phw_data, REG_AGC_CTRL5, val); + + // b. set iqcal_mode[1:0] to 0x2 and set iqcal_tone[3:2] to 0 + hw_get_dxx_reg(phw_data, REG_MODE_CTRL, ®_mode_ctrl); + + PHY_DEBUG(("[CAL] MODE_CTRL (read) = 0x%08X\n", reg_mode_ctrl)); + reg_mode_ctrl &= ~(MASK_IQCAL_TONE_SEL|MASK_IQCAL_MODE); + + // mode=2, tone=0 + //reg_mode_ctrl |= (MASK_CALIB_START|2); + + // mode=2, tone=1 + //reg_mode_ctrl |= (MASK_CALIB_START|2|(1<<2)); + + // mode=2, tone=2 + reg_mode_ctrl |= (MASK_CALIB_START|2|(2<<2)); + hw_set_dxx_reg(phw_data, REG_MODE_CTRL, reg_mode_ctrl); + PHY_DEBUG(("[CAL] MODE_CTRL (write) = 0x%08X\n", reg_mode_ctrl)); + pa_stall_execution(US); + + hw_get_dxx_reg(phw_data, 0x5C, ®_dc_cancel); + PHY_DEBUG(("[CAL] DC_CANCEL (read) = 0x%08X\n", reg_dc_cancel)); + + for (loop = 0; loop < LOOP_TIMES; loop++) + { + PHY_DEBUG(("[CAL] [%d.] ==================================\n", loop)); + + // c. + // reset cancel_dc_i[9:5] and cancel_dc_q[4:0] in register DC_Cancel + reg_dc_cancel &= ~(0x03FF); + PHY_DEBUG(("[CAL] DC_CANCEL (write) = 0x%08X\n", reg_dc_cancel)); + hw_set_dxx_reg(phw_data, 0x5C, reg_dc_cancel); + pa_stall_execution(US); + + hw_get_dxx_reg(phw_data, REG_CALIB_READ2, &val); + PHY_DEBUG(("[CAL] CALIB_READ2 = 0x%08X\n", val)); + + iqcal_image_i = _s13_to_s32(val & 0x00001FFF); + iqcal_image_q = _s13_to_s32((val & 0x03FFE000) >> 13); + sqsum = iqcal_image_i*iqcal_image_i + iqcal_image_q*iqcal_image_q; + mag_0 = (s32) _sqrt(sqsum); + PHY_DEBUG(("[CAL] mag_0=%d (iqcal_image_i=%d, iqcal_image_q=%d)\n", + mag_0, iqcal_image_i, iqcal_image_q)); + + // d. + reg_dc_cancel |= (1 << CANCEL_DC_I_SHIFT); + PHY_DEBUG(("[CAL] DC_CANCEL (write) = 0x%08X\n", reg_dc_cancel)); + hw_set_dxx_reg(phw_data, 0x5C, reg_dc_cancel); + pa_stall_execution(US); + + hw_get_dxx_reg(phw_data, REG_CALIB_READ2, &val); + PHY_DEBUG(("[CAL] CALIB_READ2 = 0x%08X\n", val)); + + iqcal_image_i = _s13_to_s32(val & 0x00001FFF); + iqcal_image_q = _s13_to_s32((val & 0x03FFE000) >> 13); + sqsum = iqcal_image_i*iqcal_image_i + iqcal_image_q*iqcal_image_q; + mag_1 = (s32) _sqrt(sqsum); + PHY_DEBUG(("[CAL] mag_1=%d (iqcal_image_i=%d, iqcal_image_q=%d)\n", + mag_1, iqcal_image_i, iqcal_image_q)); + + // e. Calculate the correct DC offset cancellation value for I + if (mag_0 != mag_1) + { + fix_cancel_dc_i = (mag_0*10000) / (mag_0*10000 - mag_1*10000); + } + else + { + if (mag_0 == mag_1) + { + PHY_DEBUG(("[CAL] ***** mag_0 = mag_1 !!\n")); + } + + fix_cancel_dc_i = 0; + } + + PHY_DEBUG(("[CAL] ** fix_cancel_dc_i = %d (0x%04X)\n", + fix_cancel_dc_i, _s32_to_s5(fix_cancel_dc_i))); + + if ((abs(mag_1-mag_0)*6) > mag_0) + { + break; + } + } + + if ( loop >= 19 ) + fix_cancel_dc_i = 0; + + reg_dc_cancel &= ~(0x03FF); + reg_dc_cancel |= (_s32_to_s5(fix_cancel_dc_i) << CANCEL_DC_I_SHIFT); + hw_set_dxx_reg(phw_data, 0x5C, reg_dc_cancel); + PHY_DEBUG(("[CAL] DC_CANCEL (write) = 0x%08X\n", reg_dc_cancel)); + + // g. + reg_mode_ctrl &= ~MASK_CALIB_START; + hw_set_dxx_reg(phw_data, REG_MODE_CTRL, reg_mode_ctrl); + PHY_DEBUG(("[CAL] MODE_CTRL (write) = 0x%08X\n", reg_mode_ctrl)); + pa_stall_execution(US); +} + +/////////////////////////////////////////////////////// +void _txqdac_dc_offset_cacellation_winbond(hw_data_t *phw_data) +{ + u32 reg_agc_ctrl3; + u32 reg_mode_ctrl; + u32 reg_dc_cancel; + s32 iqcal_image_i; + s32 iqcal_image_q; + u32 sqsum; + s32 mag_0; + s32 mag_1; + s32 fix_cancel_dc_q = 0; + u32 val; + int loop; + + PHY_DEBUG(("[CAL] -> [3]_txqdac_dc_offset_cacellation()\n")); + //0x01 0xEE3FC2 ; 3B8FF ; Calibration (6a). enable TX IQ calibration loop circuits + phy_set_rf_data(phw_data, 1, (1<<24)|0xEE3FC2); + //0x0B 0x1905D6 ; 06417 ; Calibration (6b). enable TX I/Q cal loop squaring circuit + phy_set_rf_data(phw_data, 11, (11<<24)|0x1901D6); + //0x05 0x24C60A ; 09318 ; Calibration (6c). setting TX-VGA gain: TXGCH=2 & GPK=110 --> to be optimized + phy_set_rf_data(phw_data, 5, (5<<24)|0x24C48A); + //0x06 0x06880C ; 01A20 ; Calibration (6d). RXGCH=00; RXGCL=100 000 (RXVGA=32) --> to be optimized + phy_set_rf_data(phw_data, 6, (6<<24)|0x06890C); + //0x00 0xFDF1C0 ; 3F7C7 ; Calibration (6e). turn on IQ imbalance/Test mode + phy_set_rf_data(phw_data, 0, (0<<24)|0xFDF1C0); + + hw_set_dxx_reg(phw_data, 0x58, 0x30303030); // IQ_Alpha Changed + + // a. Disable AGC + hw_get_dxx_reg(phw_data, REG_AGC_CTRL3, ®_agc_ctrl3); + reg_agc_ctrl3 &= ~BIT(2); + reg_agc_ctrl3 |= (MASK_LNA_FIX_GAIN|MASK_AGC_FIX); + hw_set_dxx_reg(phw_data, REG_AGC_CTRL3, reg_agc_ctrl3); + + hw_get_dxx_reg(phw_data, REG_AGC_CTRL5, &val); + val |= MASK_AGC_FIX_GAIN; + hw_set_dxx_reg(phw_data, REG_AGC_CTRL5, val); + + // a. set iqcal_mode[1:0] to 0x3 and set iqcal_tone[3:2] to 0 + hw_get_dxx_reg(phw_data, REG_MODE_CTRL, ®_mode_ctrl); + PHY_DEBUG(("[CAL] MODE_CTRL (read) = 0x%08X\n", reg_mode_ctrl)); + + //reg_mode_ctrl &= ~(MASK_IQCAL_TONE_SEL|MASK_IQCAL_MODE); + reg_mode_ctrl &= ~(MASK_IQCAL_MODE); + reg_mode_ctrl |= (MASK_CALIB_START|3); + hw_set_dxx_reg(phw_data, REG_MODE_CTRL, reg_mode_ctrl); + PHY_DEBUG(("[CAL] MODE_CTRL (write) = 0x%08X\n", reg_mode_ctrl)); + pa_stall_execution(US); + + hw_get_dxx_reg(phw_data, 0x5C, ®_dc_cancel); + PHY_DEBUG(("[CAL] DC_CANCEL (read) = 0x%08X\n", reg_dc_cancel)); + + for (loop = 0; loop < LOOP_TIMES; loop++) + { + PHY_DEBUG(("[CAL] [%d.] ==================================\n", loop)); + + // b. + // reset cancel_dc_q[4:0] in register DC_Cancel + reg_dc_cancel &= ~(0x001F); + PHY_DEBUG(("[CAL] DC_CANCEL (write) = 0x%08X\n", reg_dc_cancel)); + hw_set_dxx_reg(phw_data, 0x5C, reg_dc_cancel); + pa_stall_execution(US); + + hw_get_dxx_reg(phw_data, REG_CALIB_READ2, &val); + PHY_DEBUG(("[CAL] CALIB_READ2 = 0x%08X\n", val)); + pa_stall_execution(US); + + iqcal_image_i = _s13_to_s32(val & 0x00001FFF); + iqcal_image_q = _s13_to_s32((val & 0x03FFE000) >> 13); + sqsum = iqcal_image_i*iqcal_image_i + iqcal_image_q*iqcal_image_q; + mag_0 = _sqrt(sqsum); + PHY_DEBUG(("[CAL] mag_0=%d (iqcal_image_i=%d, iqcal_image_q=%d)\n", + mag_0, iqcal_image_i, iqcal_image_q)); + + // c. + reg_dc_cancel |= (1 << CANCEL_DC_Q_SHIFT); + PHY_DEBUG(("[CAL] DC_CANCEL (write) = 0x%08X\n", reg_dc_cancel)); + hw_set_dxx_reg(phw_data, 0x5C, reg_dc_cancel); + pa_stall_execution(US); + + hw_get_dxx_reg(phw_data, REG_CALIB_READ2, &val); + PHY_DEBUG(("[CAL] CALIB_READ2 = 0x%08X\n", val)); + pa_stall_execution(US); + + iqcal_image_i = _s13_to_s32(val & 0x00001FFF); + iqcal_image_q = _s13_to_s32((val & 0x03FFE000) >> 13); + sqsum = iqcal_image_i*iqcal_image_i + iqcal_image_q*iqcal_image_q; + mag_1 = _sqrt(sqsum); + PHY_DEBUG(("[CAL] mag_1=%d (iqcal_image_i=%d, iqcal_image_q=%d)\n", + mag_1, iqcal_image_i, iqcal_image_q)); + + // d. Calculate the correct DC offset cancellation value for I + if (mag_0 != mag_1) + { + fix_cancel_dc_q = (mag_0*10000) / (mag_0*10000 - mag_1*10000); + } + else + { + if (mag_0 == mag_1) + { + PHY_DEBUG(("[CAL] ***** mag_0 = mag_1 !!\n")); + } + + fix_cancel_dc_q = 0; + } + + PHY_DEBUG(("[CAL] ** fix_cancel_dc_q = %d (0x%04X)\n", + fix_cancel_dc_q, _s32_to_s5(fix_cancel_dc_q))); + + if ((abs(mag_1-mag_0)*6) > mag_0) + { + break; + } + } + + if ( loop >= 19 ) + fix_cancel_dc_q = 0; + + reg_dc_cancel &= ~(0x001F); + reg_dc_cancel |= (_s32_to_s5(fix_cancel_dc_q) << CANCEL_DC_Q_SHIFT); + hw_set_dxx_reg(phw_data, 0x5C, reg_dc_cancel); + PHY_DEBUG(("[CAL] DC_CANCEL (write) = 0x%08X\n", reg_dc_cancel)); + + + // f. + reg_mode_ctrl &= ~MASK_CALIB_START; + hw_set_dxx_reg(phw_data, REG_MODE_CTRL, reg_mode_ctrl); + PHY_DEBUG(("[CAL] MODE_CTRL (write) = 0x%08X\n", reg_mode_ctrl)); + pa_stall_execution(US); +} + +//20060612.1.a 20060718.1 Modify +u8 _tx_iq_calibration_loop_winbond(hw_data_t *phw_data, + s32 a_2_threshold, + s32 b_2_threshold) +{ + u32 reg_mode_ctrl; + s32 iq_mag_0_tx; + s32 iqcal_tone_i0; + s32 iqcal_tone_q0; + s32 iqcal_tone_i; + s32 iqcal_tone_q; + u32 sqsum; + s32 rot_i_b; + s32 rot_q_b; + s32 tx_cal_flt_b[4]; + s32 tx_cal[4]; + s32 tx_cal_reg[4]; + s32 a_2, b_2; + s32 sin_b, sin_2b; + s32 cos_b, cos_2b; + s32 divisor; + s32 temp1, temp2; + u32 val; + u16 loop; + s32 iqcal_tone_i_avg,iqcal_tone_q_avg; + u8 verify_count; + int capture_time; + + PHY_DEBUG(("[CAL] -> _tx_iq_calibration_loop()\n")); + PHY_DEBUG(("[CAL] ** a_2_threshold = %d\n", a_2_threshold)); + PHY_DEBUG(("[CAL] ** b_2_threshold = %d\n", b_2_threshold)); + + verify_count = 0; + + hw_get_dxx_reg(phw_data, REG_MODE_CTRL, ®_mode_ctrl); + PHY_DEBUG(("[CAL] MODE_CTRL (read) = 0x%08X\n", reg_mode_ctrl)); + + loop = LOOP_TIMES; + + while (loop > 0) + { + PHY_DEBUG(("[CAL] [%d.] <_tx_iq_calibration_loop>\n", (LOOP_TIMES-loop+1))); + + iqcal_tone_i_avg=0; + iqcal_tone_q_avg=0; + if( !hw_set_dxx_reg(phw_data, 0x3C, 0x00) ) // 20060718.1 modify + return 0; + for(capture_time=0;capture_time<10;capture_time++) + { + // a. Set iqcal_mode[1:0] to 0x2 and set "calib_start" to 0x1 to + // enable "IQ alibration Mode II" + reg_mode_ctrl &= ~(MASK_IQCAL_TONE_SEL|MASK_IQCAL_MODE); + reg_mode_ctrl &= ~MASK_IQCAL_MODE; + reg_mode_ctrl |= (MASK_CALIB_START|0x02); + reg_mode_ctrl |= (MASK_CALIB_START|0x02|2<<2); + hw_set_dxx_reg(phw_data, REG_MODE_CTRL, reg_mode_ctrl); + PHY_DEBUG(("[CAL] MODE_CTRL (write) = 0x%08X\n", reg_mode_ctrl)); + pa_stall_execution(US); + + // b. + hw_get_dxx_reg(phw_data, REG_CALIB_READ1, &val); + PHY_DEBUG(("[CAL] CALIB_READ1 = 0x%08X\n", val)); + pa_stall_execution(US); + + iqcal_tone_i0 = _s13_to_s32(val & 0x00001FFF); + iqcal_tone_q0 = _s13_to_s32((val & 0x03FFE000) >> 13); + PHY_DEBUG(("[CAL] ** iqcal_tone_i0=%d, iqcal_tone_q0=%d\n", + iqcal_tone_i0, iqcal_tone_q0)); + + sqsum = iqcal_tone_i0*iqcal_tone_i0 + + iqcal_tone_q0*iqcal_tone_q0; + iq_mag_0_tx = (s32) _sqrt(sqsum); + PHY_DEBUG(("[CAL] ** iq_mag_0_tx=%d\n", iq_mag_0_tx)); + + // c. Set "calib_start" to 0x0 + reg_mode_ctrl &= ~MASK_CALIB_START; + hw_set_dxx_reg(phw_data, REG_MODE_CTRL, reg_mode_ctrl); + PHY_DEBUG(("[CAL] MODE_CTRL (write) = 0x%08X\n", reg_mode_ctrl)); + pa_stall_execution(US); + + // d. Set iqcal_mode[1:0] to 0x3 and set "calib_start" to 0x1 to + // enable "IQ alibration Mode II" + //hw_get_dxx_reg(phw_data, REG_MODE_CTRL, &val); + hw_get_dxx_reg(phw_data, REG_MODE_CTRL, ®_mode_ctrl); + reg_mode_ctrl &= ~MASK_IQCAL_MODE; + reg_mode_ctrl |= (MASK_CALIB_START|0x03); + hw_set_dxx_reg(phw_data, REG_MODE_CTRL, reg_mode_ctrl); + PHY_DEBUG(("[CAL] MODE_CTRL (write) = 0x%08X\n", reg_mode_ctrl)); + pa_stall_execution(US); + + // e. + hw_get_dxx_reg(phw_data, REG_CALIB_READ1, &val); + PHY_DEBUG(("[CAL] CALIB_READ1 = 0x%08X\n", val)); + pa_stall_execution(US); + + iqcal_tone_i = _s13_to_s32(val & 0x00001FFF); + iqcal_tone_q = _s13_to_s32((val & 0x03FFE000) >> 13); + PHY_DEBUG(("[CAL] ** iqcal_tone_i = %d, iqcal_tone_q = %d\n", + iqcal_tone_i, iqcal_tone_q)); + if( capture_time == 0) + { + continue; + } + else + { + iqcal_tone_i_avg=( iqcal_tone_i_avg*(capture_time-1) +iqcal_tone_i)/capture_time; + iqcal_tone_q_avg=( iqcal_tone_q_avg*(capture_time-1) +iqcal_tone_q)/capture_time; + } + } + + iqcal_tone_i = iqcal_tone_i_avg; + iqcal_tone_q = iqcal_tone_q_avg; + + + rot_i_b = (iqcal_tone_i * iqcal_tone_i0 + + iqcal_tone_q * iqcal_tone_q0) / 1024; + rot_q_b = (iqcal_tone_i * iqcal_tone_q0 * (-1) + + iqcal_tone_q * iqcal_tone_i0) / 1024; + PHY_DEBUG(("[CAL] ** rot_i_b = %d, rot_q_b = %d\n", + rot_i_b, rot_q_b)); + + // f. + divisor = ((iq_mag_0_tx * iq_mag_0_tx * 2)/1024 - rot_i_b) * 2; + + if (divisor == 0) + { + PHY_DEBUG(("[CAL] ** <_tx_iq_calibration_loop> ERROR *******\n")); + PHY_DEBUG(("[CAL] ** divisor=0 to calculate EPS and THETA !!\n")); + PHY_DEBUG(("[CAL] ******************************************\n")); + break; + } + + a_2 = (rot_i_b * 32768) / divisor; + b_2 = (rot_q_b * (-32768)) / divisor; + PHY_DEBUG(("[CAL] ***** EPSILON/2 = %d\n", a_2)); + PHY_DEBUG(("[CAL] ***** THETA/2 = %d\n", b_2)); + + phw_data->iq_rsdl_gain_tx_d2 = a_2; + phw_data->iq_rsdl_phase_tx_d2 = b_2; + + //if ((abs(a_2) < 150) && (abs(b_2) < 100)) + //if ((abs(a_2) < 200) && (abs(b_2) < 200)) + if ((abs(a_2) < a_2_threshold) && (abs(b_2) < b_2_threshold)) + { + verify_count++; + + PHY_DEBUG(("[CAL] ** <_tx_iq_calibration_loop> *************\n")); + PHY_DEBUG(("[CAL] ** VERIFY OK # %d !!\n", verify_count)); + PHY_DEBUG(("[CAL] ******************************************\n")); + + if (verify_count > 2) + { + PHY_DEBUG(("[CAL] ** <_tx_iq_calibration_loop> *********\n")); + PHY_DEBUG(("[CAL] ** TX_IQ_CALIBRATION (EPS,THETA) OK !!\n")); + PHY_DEBUG(("[CAL] **************************************\n")); + return 0; + } + + continue; + } + else + { + verify_count = 0; + } + + _sin_cos(b_2, &sin_b, &cos_b); + _sin_cos(b_2*2, &sin_2b, &cos_2b); + PHY_DEBUG(("[CAL] ** sin(b/2)=%d, cos(b/2)=%d\n", sin_b, cos_b)); + PHY_DEBUG(("[CAL] ** sin(b)=%d, cos(b)=%d\n", sin_2b, cos_2b)); + + if (cos_2b == 0) + { + PHY_DEBUG(("[CAL] ** <_tx_iq_calibration_loop> ERROR *******\n")); + PHY_DEBUG(("[CAL] ** cos(b)=0 !!\n")); + PHY_DEBUG(("[CAL] ******************************************\n")); + break; + } + + // 1280 * 32768 = 41943040 + temp1 = (41943040/cos_2b)*cos_b; + + //temp2 = (41943040/cos_2b)*sin_b*(-1); + if (phw_data->revision == 0x2002) // 1st-cut + { + temp2 = (41943040/cos_2b)*sin_b*(-1); + } + else // 2nd-cut + { + temp2 = (41943040*4/cos_2b)*sin_b*(-1); + } + + tx_cal_flt_b[0] = _floor(temp1/(32768+a_2)); + tx_cal_flt_b[1] = _floor(temp2/(32768+a_2)); + tx_cal_flt_b[2] = _floor(temp2/(32768-a_2)); + tx_cal_flt_b[3] = _floor(temp1/(32768-a_2)); + PHY_DEBUG(("[CAL] ** tx_cal_flt_b[0] = %d\n", tx_cal_flt_b[0])); + PHY_DEBUG(("[CAL] tx_cal_flt_b[1] = %d\n", tx_cal_flt_b[1])); + PHY_DEBUG(("[CAL] tx_cal_flt_b[2] = %d\n", tx_cal_flt_b[2])); + PHY_DEBUG(("[CAL] tx_cal_flt_b[3] = %d\n", tx_cal_flt_b[3])); + + tx_cal[2] = tx_cal_flt_b[2]; + tx_cal[2] = tx_cal[2] +3; + tx_cal[1] = tx_cal[2]; + tx_cal[3] = tx_cal_flt_b[3] - 128; + tx_cal[0] = -tx_cal[3]+1; + + PHY_DEBUG(("[CAL] tx_cal[0] = %d\n", tx_cal[0])); + PHY_DEBUG(("[CAL] tx_cal[1] = %d\n", tx_cal[1])); + PHY_DEBUG(("[CAL] tx_cal[2] = %d\n", tx_cal[2])); + PHY_DEBUG(("[CAL] tx_cal[3] = %d\n", tx_cal[3])); + + //if ((tx_cal[0] == 0) && (tx_cal[1] == 0) && + // (tx_cal[2] == 0) && (tx_cal[3] == 0)) + //{ + // PHY_DEBUG(("[CAL] ** <_tx_iq_calibration_loop> *************\n")); + // PHY_DEBUG(("[CAL] ** TX_IQ_CALIBRATION COMPLETE !!\n")); + // PHY_DEBUG(("[CAL] ******************************************\n")); + // return 0; + //} + + // g. + if (phw_data->revision == 0x2002) // 1st-cut + { + hw_get_dxx_reg(phw_data, 0x54, &val); + PHY_DEBUG(("[CAL] ** 0x54 = 0x%08X\n", val)); + tx_cal_reg[0] = _s4_to_s32((val & 0xF0000000) >> 28); + tx_cal_reg[1] = _s4_to_s32((val & 0x0F000000) >> 24); + tx_cal_reg[2] = _s4_to_s32((val & 0x00F00000) >> 20); + tx_cal_reg[3] = _s4_to_s32((val & 0x000F0000) >> 16); + } + else // 2nd-cut + { + hw_get_dxx_reg(phw_data, 0x3C, &val); + PHY_DEBUG(("[CAL] ** 0x3C = 0x%08X\n", val)); + tx_cal_reg[0] = _s5_to_s32((val & 0xF8000000) >> 27); + tx_cal_reg[1] = _s6_to_s32((val & 0x07E00000) >> 21); + tx_cal_reg[2] = _s6_to_s32((val & 0x001F8000) >> 15); + tx_cal_reg[3] = _s5_to_s32((val & 0x00007C00) >> 10); + + } + + PHY_DEBUG(("[CAL] ** tx_cal_reg[0] = %d\n", tx_cal_reg[0])); + PHY_DEBUG(("[CAL] tx_cal_reg[1] = %d\n", tx_cal_reg[1])); + PHY_DEBUG(("[CAL] tx_cal_reg[2] = %d\n", tx_cal_reg[2])); + PHY_DEBUG(("[CAL] tx_cal_reg[3] = %d\n", tx_cal_reg[3])); + + if (phw_data->revision == 0x2002) // 1st-cut + { + if (((tx_cal_reg[0]==7) || (tx_cal_reg[0]==(-8))) && + ((tx_cal_reg[3]==7) || (tx_cal_reg[3]==(-8)))) + { + PHY_DEBUG(("[CAL] ** <_tx_iq_calibration_loop> *********\n")); + PHY_DEBUG(("[CAL] ** TX_IQ_CALIBRATION SATUATION !!\n")); + PHY_DEBUG(("[CAL] **************************************\n")); + break; + } + } + else // 2nd-cut + { + if (((tx_cal_reg[0]==31) || (tx_cal_reg[0]==(-32))) && + ((tx_cal_reg[3]==31) || (tx_cal_reg[3]==(-32)))) + { + PHY_DEBUG(("[CAL] ** <_tx_iq_calibration_loop> *********\n")); + PHY_DEBUG(("[CAL] ** TX_IQ_CALIBRATION SATUATION !!\n")); + PHY_DEBUG(("[CAL] **************************************\n")); + break; + } + } + + tx_cal[0] = tx_cal[0] + tx_cal_reg[0]; + tx_cal[1] = tx_cal[1] + tx_cal_reg[1]; + tx_cal[2] = tx_cal[2] + tx_cal_reg[2]; + tx_cal[3] = tx_cal[3] + tx_cal_reg[3]; + PHY_DEBUG(("[CAL] ** apply tx_cal[0] = %d\n", tx_cal[0])); + PHY_DEBUG(("[CAL] apply tx_cal[1] = %d\n", tx_cal[1])); + PHY_DEBUG(("[CAL] apply tx_cal[2] = %d\n", tx_cal[2])); + PHY_DEBUG(("[CAL] apply tx_cal[3] = %d\n", tx_cal[3])); + + if (phw_data->revision == 0x2002) // 1st-cut + { + val &= 0x0000FFFF; + val |= ((_s32_to_s4(tx_cal[0]) << 28)| + (_s32_to_s4(tx_cal[1]) << 24)| + (_s32_to_s4(tx_cal[2]) << 20)| + (_s32_to_s4(tx_cal[3]) << 16)); + hw_set_dxx_reg(phw_data, 0x54, val); + PHY_DEBUG(("[CAL] ** CALIB_DATA = 0x%08X\n", val)); + return 0; + } + else // 2nd-cut + { + val &= 0x000003FF; + val |= ((_s32_to_s5(tx_cal[0]) << 27)| + (_s32_to_s6(tx_cal[1]) << 21)| + (_s32_to_s6(tx_cal[2]) << 15)| + (_s32_to_s5(tx_cal[3]) << 10)); + hw_set_dxx_reg(phw_data, 0x3C, val); + PHY_DEBUG(("[CAL] ** TX_IQ_CALIBRATION = 0x%08X\n", val)); + return 0; + } + + // i. Set "calib_start" to 0x0 + reg_mode_ctrl &= ~MASK_CALIB_START; + hw_set_dxx_reg(phw_data, REG_MODE_CTRL, reg_mode_ctrl); + PHY_DEBUG(("[CAL] MODE_CTRL (write) = 0x%08X\n", reg_mode_ctrl)); + + loop--; + } + + return 1; +} + +void _tx_iq_calibration_winbond(hw_data_t *phw_data) +{ + u32 reg_agc_ctrl3; +#ifdef _DEBUG + s32 tx_cal_reg[4]; + +#endif + u32 reg_mode_ctrl; + u32 val; + u8 result; + + PHY_DEBUG(("[CAL] -> [4]_tx_iq_calibration()\n")); + + //0x01 0xEE3FC2 ; 3B8FF ; Calibration (6a). enable TX IQ calibration loop circuits + phy_set_rf_data(phw_data, 1, (1<<24)|0xEE3FC2); + //0x0B 0x1905D6 ; 06417 ; Calibration (6b). enable TX I/Q cal loop squaring circuit + phy_set_rf_data(phw_data, 11, (11<<24)|0x19BDD6); // 20060612.1.a 0x1905D6); + //0x05 0x24C60A ; 09318 ; Calibration (6c). setting TX-VGA gain: TXGCH=2 & GPK=110 --> to be optimized + phy_set_rf_data(phw_data, 5, (5<<24)|0x24C60A); //0x24C60A (high temperature) + //0x06 0x06880C ; 01A20 ; Calibration (6d). RXGCH=00; RXGCL=100 000 (RXVGA=32) --> to be optimized + phy_set_rf_data(phw_data, 6, (6<<24)|0x34880C); // 20060612.1.a 0x06890C); + //0x00 0xFDF1C0 ; 3F7C7 ; Calibration (6e). turn on IQ imbalance/Test mode + phy_set_rf_data(phw_data, 0, (0<<24)|0xFDF1C0); + //; [BB-chip]: Calibration (6f).Send test pattern + //; [BB-chip]: Calibration (6g). Search RXGCL optimal value + //; [BB-chip]: Calibration (6h). Caculate TX-path IQ imbalance and setting TX path IQ compensation table + //phy_set_rf_data(phw_data, 3, (3<<24)|0x025586); + + OS_SLEEP(30000); // 20060612.1.a 30ms delay. Add the follow 2 lines + //To adjust TXVGA to fit iq_mag_0 range from 1250 ~ 1750 + adjust_TXVGA_for_iq_mag( phw_data ); + + // a. Disable AGC + hw_get_dxx_reg(phw_data, REG_AGC_CTRL3, ®_agc_ctrl3); + reg_agc_ctrl3 &= ~BIT(2); + reg_agc_ctrl3 |= (MASK_LNA_FIX_GAIN|MASK_AGC_FIX); + hw_set_dxx_reg(phw_data, REG_AGC_CTRL3, reg_agc_ctrl3); + + hw_get_dxx_reg(phw_data, REG_AGC_CTRL5, &val); + val |= MASK_AGC_FIX_GAIN; + hw_set_dxx_reg(phw_data, REG_AGC_CTRL5, val); + + result = _tx_iq_calibration_loop_winbond(phw_data, 150, 100); + + if (result > 0) + { + if (phw_data->revision == 0x2002) // 1st-cut + { + hw_get_dxx_reg(phw_data, 0x54, &val); + val &= 0x0000FFFF; + hw_set_dxx_reg(phw_data, 0x54, val); + } + else // 2nd-cut + { + hw_get_dxx_reg(phw_data, 0x3C, &val); + val &= 0x000003FF; + hw_set_dxx_reg(phw_data, 0x3C, val); + } + + result = _tx_iq_calibration_loop_winbond(phw_data, 300, 200); + + if (result > 0) + { + if (phw_data->revision == 0x2002) // 1st-cut + { + hw_get_dxx_reg(phw_data, 0x54, &val); + val &= 0x0000FFFF; + hw_set_dxx_reg(phw_data, 0x54, val); + } + else // 2nd-cut + { + hw_get_dxx_reg(phw_data, 0x3C, &val); + val &= 0x000003FF; + hw_set_dxx_reg(phw_data, 0x3C, val); + } + + result = _tx_iq_calibration_loop_winbond(phw_data, 500, 400); + if (result > 0) + { + if (phw_data->revision == 0x2002) // 1st-cut + { + hw_get_dxx_reg(phw_data, 0x54, &val); + val &= 0x0000FFFF; + hw_set_dxx_reg(phw_data, 0x54, val); + } + else // 2nd-cut + { + hw_get_dxx_reg(phw_data, 0x3C, &val); + val &= 0x000003FF; + hw_set_dxx_reg(phw_data, 0x3C, val); + } + + + result = _tx_iq_calibration_loop_winbond(phw_data, 700, 500); + + if (result > 0) + { + PHY_DEBUG(("[CAL] ** <_tx_iq_calibration> **************\n")); + PHY_DEBUG(("[CAL] ** TX_IQ_CALIBRATION FAILURE !!\n")); + PHY_DEBUG(("[CAL] **************************************\n")); + + if (phw_data->revision == 0x2002) // 1st-cut + { + hw_get_dxx_reg(phw_data, 0x54, &val); + val &= 0x0000FFFF; + hw_set_dxx_reg(phw_data, 0x54, val); + } + else // 2nd-cut + { + hw_get_dxx_reg(phw_data, 0x3C, &val); + val &= 0x000003FF; + hw_set_dxx_reg(phw_data, 0x3C, val); + } + } + } + } + } + + // i. Set "calib_start" to 0x0 + hw_get_dxx_reg(phw_data, REG_MODE_CTRL, ®_mode_ctrl); + reg_mode_ctrl &= ~MASK_CALIB_START; + hw_set_dxx_reg(phw_data, REG_MODE_CTRL, reg_mode_ctrl); + PHY_DEBUG(("[CAL] MODE_CTRL (write) = 0x%08X\n", reg_mode_ctrl)); + + // g. Enable AGC + //hw_get_dxx_reg(phw_data, REG_AGC_CTRL3, &val); + reg_agc_ctrl3 |= BIT(2); + reg_agc_ctrl3 &= ~(MASK_LNA_FIX_GAIN|MASK_AGC_FIX); + hw_set_dxx_reg(phw_data, REG_AGC_CTRL3, reg_agc_ctrl3); + +#ifdef _DEBUG + if (phw_data->revision == 0x2002) // 1st-cut + { + hw_get_dxx_reg(phw_data, 0x54, &val); + PHY_DEBUG(("[CAL] ** 0x54 = 0x%08X\n", val)); + tx_cal_reg[0] = _s4_to_s32((val & 0xF0000000) >> 28); + tx_cal_reg[1] = _s4_to_s32((val & 0x0F000000) >> 24); + tx_cal_reg[2] = _s4_to_s32((val & 0x00F00000) >> 20); + tx_cal_reg[3] = _s4_to_s32((val & 0x000F0000) >> 16); + } + else // 2nd-cut + { + hw_get_dxx_reg(phw_data, 0x3C, &val); + PHY_DEBUG(("[CAL] ** 0x3C = 0x%08X\n", val)); + tx_cal_reg[0] = _s5_to_s32((val & 0xF8000000) >> 27); + tx_cal_reg[1] = _s6_to_s32((val & 0x07E00000) >> 21); + tx_cal_reg[2] = _s6_to_s32((val & 0x001F8000) >> 15); + tx_cal_reg[3] = _s5_to_s32((val & 0x00007C00) >> 10); + + } + + PHY_DEBUG(("[CAL] ** tx_cal_reg[0] = %d\n", tx_cal_reg[0])); + PHY_DEBUG(("[CAL] tx_cal_reg[1] = %d\n", tx_cal_reg[1])); + PHY_DEBUG(("[CAL] tx_cal_reg[2] = %d\n", tx_cal_reg[2])); + PHY_DEBUG(("[CAL] tx_cal_reg[3] = %d\n", tx_cal_reg[3])); +#endif + + + // for test - BEN + // RF Control Override +} + +///////////////////////////////////////////////////////////////////////////////////////// +u8 _rx_iq_calibration_loop_winbond(hw_data_t *phw_data, u16 factor, u32 frequency) +{ + u32 reg_mode_ctrl; + s32 iqcal_tone_i; + s32 iqcal_tone_q; + s32 iqcal_image_i; + s32 iqcal_image_q; + s32 rot_tone_i_b; + s32 rot_tone_q_b; + s32 rot_image_i_b; + s32 rot_image_q_b; + s32 rx_cal_flt_b[4]; + s32 rx_cal[4]; + s32 rx_cal_reg[4]; + s32 a_2, b_2; + s32 sin_b, sin_2b; + s32 cos_b, cos_2b; + s32 temp1, temp2; + u32 val; + u16 loop; + + u32 pwr_tone; + u32 pwr_image; + u8 verify_count; + + s32 iqcal_tone_i_avg,iqcal_tone_q_avg; + s32 iqcal_image_i_avg,iqcal_image_q_avg; + u16 capture_time; + + PHY_DEBUG(("[CAL] -> [5]_rx_iq_calibration_loop()\n")); + PHY_DEBUG(("[CAL] ** factor = %d\n", factor)); + + +// RF Control Override + hw_get_cxx_reg(phw_data, 0x80, &val); + val |= BIT(19); + hw_set_cxx_reg(phw_data, 0x80, val); + +// RF_Ctrl + hw_get_cxx_reg(phw_data, 0xE4, &val); + val |= BIT(0); + hw_set_cxx_reg(phw_data, 0xE4, val); + PHY_DEBUG(("[CAL] ** RF_CTRL(0xE4) = 0x%08X", val)); + + hw_set_dxx_reg(phw_data, 0x58, 0x44444444); // IQ_Alpha + + // b. + + hw_get_dxx_reg(phw_data, REG_MODE_CTRL, ®_mode_ctrl); + PHY_DEBUG(("[CAL] MODE_CTRL (read) = 0x%08X\n", reg_mode_ctrl)); + + verify_count = 0; + + //for (loop = 0; loop < 1; loop++) + //for (loop = 0; loop < LOOP_TIMES; loop++) + loop = LOOP_TIMES; + while (loop > 0) + { + PHY_DEBUG(("[CAL] [%d.] <_rx_iq_calibration_loop>\n", (LOOP_TIMES-loop+1))); + iqcal_tone_i_avg=0; + iqcal_tone_q_avg=0; + iqcal_image_i_avg=0; + iqcal_image_q_avg=0; + capture_time=0; + + for(capture_time=0; capture_time<10; capture_time++) + { + // i. Set "calib_start" to 0x0 + reg_mode_ctrl &= ~MASK_CALIB_START; + if( !hw_set_dxx_reg(phw_data, REG_MODE_CTRL, reg_mode_ctrl) )//20060718.1 modify + return 0; + PHY_DEBUG(("[CAL] MODE_CTRL (write) = 0x%08X\n", reg_mode_ctrl)); + pa_stall_execution(US); + + reg_mode_ctrl &= ~MASK_IQCAL_MODE; + reg_mode_ctrl |= (MASK_CALIB_START|0x1); + hw_set_dxx_reg(phw_data, REG_MODE_CTRL, reg_mode_ctrl); + PHY_DEBUG(("[CAL] MODE_CTRL (write) = 0x%08X\n", reg_mode_ctrl)); + pa_stall_execution(US); //Should be read out after 450us + + // c. + hw_get_dxx_reg(phw_data, REG_CALIB_READ1, &val); + PHY_DEBUG(("[CAL] CALIB_READ1 = 0x%08X\n", val)); + + iqcal_tone_i = _s13_to_s32(val & 0x00001FFF); + iqcal_tone_q = _s13_to_s32((val & 0x03FFE000) >> 13); + PHY_DEBUG(("[CAL] ** iqcal_tone_i = %d, iqcal_tone_q = %d\n", + iqcal_tone_i, iqcal_tone_q)); + + hw_get_dxx_reg(phw_data, REG_CALIB_READ2, &val); + PHY_DEBUG(("[CAL] CALIB_READ2 = 0x%08X\n", val)); + + iqcal_image_i = _s13_to_s32(val & 0x00001FFF); + iqcal_image_q = _s13_to_s32((val & 0x03FFE000) >> 13); + PHY_DEBUG(("[CAL] ** iqcal_image_i = %d, iqcal_image_q = %d\n", + iqcal_image_i, iqcal_image_q)); + if( capture_time == 0) + { + continue; + } + else + { + iqcal_image_i_avg=( iqcal_image_i_avg*(capture_time-1) +iqcal_image_i)/capture_time; + iqcal_image_q_avg=( iqcal_image_q_avg*(capture_time-1) +iqcal_image_q)/capture_time; + iqcal_tone_i_avg=( iqcal_tone_i_avg*(capture_time-1) +iqcal_tone_i)/capture_time; + iqcal_tone_q_avg=( iqcal_tone_q_avg*(capture_time-1) +iqcal_tone_q)/capture_time; + } + } + + + iqcal_image_i = iqcal_image_i_avg; + iqcal_image_q = iqcal_image_q_avg; + iqcal_tone_i = iqcal_tone_i_avg; + iqcal_tone_q = iqcal_tone_q_avg; + + // d. + rot_tone_i_b = (iqcal_tone_i * iqcal_tone_i + + iqcal_tone_q * iqcal_tone_q) / 1024; + rot_tone_q_b = (iqcal_tone_i * iqcal_tone_q * (-1) + + iqcal_tone_q * iqcal_tone_i) / 1024; + rot_image_i_b = (iqcal_image_i * iqcal_tone_i - + iqcal_image_q * iqcal_tone_q) / 1024; + rot_image_q_b = (iqcal_image_i * iqcal_tone_q + + iqcal_image_q * iqcal_tone_i) / 1024; + + PHY_DEBUG(("[CAL] ** rot_tone_i_b = %d\n", rot_tone_i_b)); + PHY_DEBUG(("[CAL] ** rot_tone_q_b = %d\n", rot_tone_q_b)); + PHY_DEBUG(("[CAL] ** rot_image_i_b = %d\n", rot_image_i_b)); + PHY_DEBUG(("[CAL] ** rot_image_q_b = %d\n", rot_image_q_b)); + + // f. + if (rot_tone_i_b == 0) + { + PHY_DEBUG(("[CAL] ** <_rx_iq_calibration_loop> ERROR *******\n")); + PHY_DEBUG(("[CAL] ** rot_tone_i_b=0 to calculate EPS and THETA !!\n")); + PHY_DEBUG(("[CAL] ******************************************\n")); + break; + } + + a_2 = (rot_image_i_b * 32768) / rot_tone_i_b - + phw_data->iq_rsdl_gain_tx_d2; + b_2 = (rot_image_q_b * 32768) / rot_tone_i_b - + phw_data->iq_rsdl_phase_tx_d2; + + PHY_DEBUG(("[CAL] ** iq_rsdl_gain_tx_d2 = %d\n", phw_data->iq_rsdl_gain_tx_d2)); + PHY_DEBUG(("[CAL] ** iq_rsdl_phase_tx_d2= %d\n", phw_data->iq_rsdl_phase_tx_d2)); + PHY_DEBUG(("[CAL] ***** EPSILON/2 = %d\n", a_2)); + PHY_DEBUG(("[CAL] ***** THETA/2 = %d\n", b_2)); + + _sin_cos(b_2, &sin_b, &cos_b); + _sin_cos(b_2*2, &sin_2b, &cos_2b); + PHY_DEBUG(("[CAL] ** sin(b/2)=%d, cos(b/2)=%d\n", sin_b, cos_b)); + PHY_DEBUG(("[CAL] ** sin(b)=%d, cos(b)=%d\n", sin_2b, cos_2b)); + + if (cos_2b == 0) + { + PHY_DEBUG(("[CAL] ** <_rx_iq_calibration_loop> ERROR *******\n")); + PHY_DEBUG(("[CAL] ** cos(b)=0 !!\n")); + PHY_DEBUG(("[CAL] ******************************************\n")); + break; + } + + // 1280 * 32768 = 41943040 + temp1 = (41943040/cos_2b)*cos_b; + + //temp2 = (41943040/cos_2b)*sin_b*(-1); + if (phw_data->revision == 0x2002) // 1st-cut + { + temp2 = (41943040/cos_2b)*sin_b*(-1); + } + else // 2nd-cut + { + temp2 = (41943040*4/cos_2b)*sin_b*(-1); + } + + rx_cal_flt_b[0] = _floor(temp1/(32768+a_2)); + rx_cal_flt_b[1] = _floor(temp2/(32768-a_2)); + rx_cal_flt_b[2] = _floor(temp2/(32768+a_2)); + rx_cal_flt_b[3] = _floor(temp1/(32768-a_2)); + + PHY_DEBUG(("[CAL] ** rx_cal_flt_b[0] = %d\n", rx_cal_flt_b[0])); + PHY_DEBUG(("[CAL] rx_cal_flt_b[1] = %d\n", rx_cal_flt_b[1])); + PHY_DEBUG(("[CAL] rx_cal_flt_b[2] = %d\n", rx_cal_flt_b[2])); + PHY_DEBUG(("[CAL] rx_cal_flt_b[3] = %d\n", rx_cal_flt_b[3])); + + rx_cal[0] = rx_cal_flt_b[0] - 128; + rx_cal[1] = rx_cal_flt_b[1]; + rx_cal[2] = rx_cal_flt_b[2]; + rx_cal[3] = rx_cal_flt_b[3] - 128; + PHY_DEBUG(("[CAL] ** rx_cal[0] = %d\n", rx_cal[0])); + PHY_DEBUG(("[CAL] rx_cal[1] = %d\n", rx_cal[1])); + PHY_DEBUG(("[CAL] rx_cal[2] = %d\n", rx_cal[2])); + PHY_DEBUG(("[CAL] rx_cal[3] = %d\n", rx_cal[3])); + + // e. + pwr_tone = (iqcal_tone_i*iqcal_tone_i + iqcal_tone_q*iqcal_tone_q); + pwr_image = (iqcal_image_i*iqcal_image_i + iqcal_image_q*iqcal_image_q)*factor; + + PHY_DEBUG(("[CAL] ** pwr_tone = %d\n", pwr_tone)); + PHY_DEBUG(("[CAL] ** pwr_image = %d\n", pwr_image)); + + if (pwr_tone > pwr_image) + { + verify_count++; + + PHY_DEBUG(("[CAL] ** <_rx_iq_calibration_loop> *************\n")); + PHY_DEBUG(("[CAL] ** VERIFY OK # %d !!\n", verify_count)); + PHY_DEBUG(("[CAL] ******************************************\n")); + + if (verify_count > 2) + { + PHY_DEBUG(("[CAL] ** <_rx_iq_calibration_loop> *********\n")); + PHY_DEBUG(("[CAL] ** RX_IQ_CALIBRATION OK !!\n")); + PHY_DEBUG(("[CAL] **************************************\n")); + return 0; + } + + continue; + } + // g. + hw_get_dxx_reg(phw_data, 0x54, &val); + PHY_DEBUG(("[CAL] ** 0x54 = 0x%08X\n", val)); + + if (phw_data->revision == 0x2002) // 1st-cut + { + rx_cal_reg[0] = _s4_to_s32((val & 0x0000F000) >> 12); + rx_cal_reg[1] = _s4_to_s32((val & 0x00000F00) >> 8); + rx_cal_reg[2] = _s4_to_s32((val & 0x000000F0) >> 4); + rx_cal_reg[3] = _s4_to_s32((val & 0x0000000F)); + } + else // 2nd-cut + { + rx_cal_reg[0] = _s5_to_s32((val & 0xF8000000) >> 27); + rx_cal_reg[1] = _s6_to_s32((val & 0x07E00000) >> 21); + rx_cal_reg[2] = _s6_to_s32((val & 0x001F8000) >> 15); + rx_cal_reg[3] = _s5_to_s32((val & 0x00007C00) >> 10); + } + + PHY_DEBUG(("[CAL] ** rx_cal_reg[0] = %d\n", rx_cal_reg[0])); + PHY_DEBUG(("[CAL] rx_cal_reg[1] = %d\n", rx_cal_reg[1])); + PHY_DEBUG(("[CAL] rx_cal_reg[2] = %d\n", rx_cal_reg[2])); + PHY_DEBUG(("[CAL] rx_cal_reg[3] = %d\n", rx_cal_reg[3])); + + if (phw_data->revision == 0x2002) // 1st-cut + { + if (((rx_cal_reg[0]==7) || (rx_cal_reg[0]==(-8))) && + ((rx_cal_reg[3]==7) || (rx_cal_reg[3]==(-8)))) + { + PHY_DEBUG(("[CAL] ** <_rx_iq_calibration_loop> *********\n")); + PHY_DEBUG(("[CAL] ** RX_IQ_CALIBRATION SATUATION !!\n")); + PHY_DEBUG(("[CAL] **************************************\n")); + break; + } + } + else // 2nd-cut + { + if (((rx_cal_reg[0]==31) || (rx_cal_reg[0]==(-32))) && + ((rx_cal_reg[3]==31) || (rx_cal_reg[3]==(-32)))) + { + PHY_DEBUG(("[CAL] ** <_rx_iq_calibration_loop> *********\n")); + PHY_DEBUG(("[CAL] ** RX_IQ_CALIBRATION SATUATION !!\n")); + PHY_DEBUG(("[CAL] **************************************\n")); + break; + } + } + + rx_cal[0] = rx_cal[0] + rx_cal_reg[0]; + rx_cal[1] = rx_cal[1] + rx_cal_reg[1]; + rx_cal[2] = rx_cal[2] + rx_cal_reg[2]; + rx_cal[3] = rx_cal[3] + rx_cal_reg[3]; + PHY_DEBUG(("[CAL] ** apply rx_cal[0] = %d\n", rx_cal[0])); + PHY_DEBUG(("[CAL] apply rx_cal[1] = %d\n", rx_cal[1])); + PHY_DEBUG(("[CAL] apply rx_cal[2] = %d\n", rx_cal[2])); + PHY_DEBUG(("[CAL] apply rx_cal[3] = %d\n", rx_cal[3])); + + hw_get_dxx_reg(phw_data, 0x54, &val); + if (phw_data->revision == 0x2002) // 1st-cut + { + val &= 0x0000FFFF; + val |= ((_s32_to_s4(rx_cal[0]) << 12)| + (_s32_to_s4(rx_cal[1]) << 8)| + (_s32_to_s4(rx_cal[2]) << 4)| + (_s32_to_s4(rx_cal[3]))); + hw_set_dxx_reg(phw_data, 0x54, val); + } + else // 2nd-cut + { + val &= 0x000003FF; + val |= ((_s32_to_s5(rx_cal[0]) << 27)| + (_s32_to_s6(rx_cal[1]) << 21)| + (_s32_to_s6(rx_cal[2]) << 15)| + (_s32_to_s5(rx_cal[3]) << 10)); + hw_set_dxx_reg(phw_data, 0x54, val); + + if( loop == 3 ) + return 0; + } + PHY_DEBUG(("[CAL] ** CALIB_DATA = 0x%08X\n", val)); + + loop--; + } + + return 1; +} + +////////////////////////////////////////////////////////// + +////////////////////////////////////////////////////////////////////////// +void _rx_iq_calibration_winbond(hw_data_t *phw_data, u32 frequency) +{ +// figo 20050523 marked thsi flag for can't compile for relesase +#ifdef _DEBUG + s32 rx_cal_reg[4]; + u32 val; +#endif + + u8 result; + + PHY_DEBUG(("[CAL] -> [5]_rx_iq_calibration()\n")); +// a. Set RFIC to "RX calibration mode" + //; ----- Calibration (7). RX path IQ imbalance calibration loop + // 0x01 0xFFBFC2 ; 3FEFF ; Calibration (7a). enable RX IQ calibration loop circuits + phy_set_rf_data(phw_data, 1, (1<<24)|0xEFBFC2); + // 0x0B 0x1A01D6 ; 06817 ; Calibration (7b). enable RX I/Q cal loop SW1 circuit + phy_set_rf_data(phw_data, 11, (11<<24)|0x1A05D6); + //0x05 0x24848A ; 09212 ; Calibration (7c). setting TX-VGA gain (TXGCH) to 2 --> to be optimized + phy_set_rf_data(phw_data, 5, (5<<24)| phw_data->txvga_setting_for_cal); + //0x06 0x06840C ; 01A10 ; Calibration (7d). RXGCH=00; RXGCL=010 000 (RXVGA) --> to be optimized + phy_set_rf_data(phw_data, 6, (6<<24)|0x06834C); + //0x00 0xFFF1C0 ; 3F7C7 ; Calibration (7e). turn on IQ imbalance/Test mode + phy_set_rf_data(phw_data, 0, (0<<24)|0xFFF1C0); + + // ; [BB-chip]: Calibration (7f). Send test pattern + // ; [BB-chip]: Calibration (7g). Search RXGCL optimal value + // ; [BB-chip]: Calibration (7h). Caculate RX-path IQ imbalance and setting RX path IQ compensation table + + result = _rx_iq_calibration_loop_winbond(phw_data, 12589, frequency); + + if (result > 0) + { + _reset_rx_cal(phw_data); + result = _rx_iq_calibration_loop_winbond(phw_data, 7943, frequency); + + if (result > 0) + { + _reset_rx_cal(phw_data); + result = _rx_iq_calibration_loop_winbond(phw_data, 5011, frequency); + + if (result > 0) + { + PHY_DEBUG(("[CAL] ** <_rx_iq_calibration> **************\n")); + PHY_DEBUG(("[CAL] ** RX_IQ_CALIBRATION FAILURE !!\n")); + PHY_DEBUG(("[CAL] **************************************\n")); + _reset_rx_cal(phw_data); + } + } + } + +#ifdef _DEBUG + hw_get_dxx_reg(phw_data, 0x54, &val); + PHY_DEBUG(("[CAL] ** 0x54 = 0x%08X\n", val)); + + if (phw_data->revision == 0x2002) // 1st-cut + { + rx_cal_reg[0] = _s4_to_s32((val & 0x0000F000) >> 12); + rx_cal_reg[1] = _s4_to_s32((val & 0x00000F00) >> 8); + rx_cal_reg[2] = _s4_to_s32((val & 0x000000F0) >> 4); + rx_cal_reg[3] = _s4_to_s32((val & 0x0000000F)); + } + else // 2nd-cut + { + rx_cal_reg[0] = _s5_to_s32((val & 0xF8000000) >> 27); + rx_cal_reg[1] = _s6_to_s32((val & 0x07E00000) >> 21); + rx_cal_reg[2] = _s6_to_s32((val & 0x001F8000) >> 15); + rx_cal_reg[3] = _s5_to_s32((val & 0x00007C00) >> 10); + } + + PHY_DEBUG(("[CAL] ** rx_cal_reg[0] = %d\n", rx_cal_reg[0])); + PHY_DEBUG(("[CAL] rx_cal_reg[1] = %d\n", rx_cal_reg[1])); + PHY_DEBUG(("[CAL] rx_cal_reg[2] = %d\n", rx_cal_reg[2])); + PHY_DEBUG(("[CAL] rx_cal_reg[3] = %d\n", rx_cal_reg[3])); +#endif + +} + +//////////////////////////////////////////////////////////////////////// +void phy_calibration_winbond(hw_data_t *phw_data, u32 frequency) +{ + u32 reg_mode_ctrl; + u32 iq_alpha; + + PHY_DEBUG(("[CAL] -> phy_calibration_winbond()\n")); + + // 20040701 1.1.25.1000 kevin + hw_get_cxx_reg(phw_data, 0x80, &mac_ctrl); + hw_get_cxx_reg(phw_data, 0xE4, &rf_ctrl); + hw_get_dxx_reg(phw_data, 0x58, &iq_alpha); + + + + _rxadc_dc_offset_cancellation_winbond(phw_data, frequency); + //_txidac_dc_offset_cancellation_winbond(phw_data); + //_txqdac_dc_offset_cacellation_winbond(phw_data); + + _tx_iq_calibration_winbond(phw_data); + _rx_iq_calibration_winbond(phw_data, frequency); + + //------------------------------------------------------------------------ + hw_get_dxx_reg(phw_data, REG_MODE_CTRL, ®_mode_ctrl); + reg_mode_ctrl &= ~(MASK_IQCAL_TONE_SEL|MASK_IQCAL_MODE|MASK_CALIB_START); // set when finish + hw_set_dxx_reg(phw_data, REG_MODE_CTRL, reg_mode_ctrl); + PHY_DEBUG(("[CAL] MODE_CTRL (write) = 0x%08X\n", reg_mode_ctrl)); + + // i. Set RFIC to "Normal mode" + hw_set_cxx_reg(phw_data, 0x80, mac_ctrl); + hw_set_cxx_reg(phw_data, 0xE4, rf_ctrl); + hw_set_dxx_reg(phw_data, 0x58, iq_alpha); + + + //------------------------------------------------------------------------ + phy_init_rf(phw_data); + +} + +//=========================== +void phy_set_rf_data( phw_data_t pHwData, u32 index, u32 value ) +{ + u32 ltmp=0; + + switch( pHwData->phy_type ) + { + case RF_MAXIM_2825: + case RF_MAXIM_V1: // 11g Winbond 2nd BB(with Phy board (v1) + Maxim 331) + ltmp = (1 << 31) | (0 << 30) | (18 << 24) | BitReverse( value, 18 ); + break; + + case RF_MAXIM_2827: + ltmp = (1 << 31) | (0 << 30) | (18 << 24) | BitReverse( value, 18 ); + break; + + case RF_MAXIM_2828: + ltmp = (1 << 31) | (0 << 30) | (18 << 24) | BitReverse( value, 18 ); + break; + + case RF_MAXIM_2829: + ltmp = (1 << 31) | (0 << 30) | (18 << 24) | BitReverse( value, 18 ); + break; + + case RF_AIROHA_2230: + case RF_AIROHA_2230S: // 20060420 Add this + ltmp = (1 << 31) | (0 << 30) | (20 << 24) | BitReverse( value, 20 ); + break; + + case RF_AIROHA_7230: + ltmp = (1 << 31) | (0 << 30) | (24 << 24) | (value&0xffffff); + break; + + case RF_WB_242: + case RF_WB_242_1: // 20060619.5 Add + ltmp = (1 << 31) | (0 << 30) | (24 << 24) | BitReverse( value, 24 ); + break; + } + + Wb35Reg_WriteSync( pHwData, 0x0864, ltmp ); +} + +// 20060717 modify as Bruce's mail +unsigned char adjust_TXVGA_for_iq_mag(hw_data_t *phw_data) +{ + int init_txvga = 0; + u32 reg_mode_ctrl; + u32 val; + s32 iqcal_tone_i0; + s32 iqcal_tone_q0; + u32 sqsum; + s32 iq_mag_0_tx; + u8 reg_state; + int current_txvga; + + + reg_state = 0; + for( init_txvga=0; init_txvga<10; init_txvga++) + { + current_txvga = ( 0x24C40A|(init_txvga<<6) ); + phy_set_rf_data(phw_data, 5, ((5<<24)|current_txvga) ); + phw_data->txvga_setting_for_cal = current_txvga; + + //pa_stall_execution(30000);//Sleep(30); + OS_SLEEP(30000); // 20060612.1.a + + if( !hw_get_dxx_reg(phw_data, REG_MODE_CTRL, ®_mode_ctrl) ) // 20060718.1 modify + return FALSE; + + PHY_DEBUG(("[CAL] MODE_CTRL (read) = 0x%08X\n", reg_mode_ctrl)); + + // a. Set iqcal_mode[1:0] to 0x2 and set "calib_start" to 0x1 to + // enable "IQ alibration Mode II" + reg_mode_ctrl &= ~(MASK_IQCAL_TONE_SEL|MASK_IQCAL_MODE); + reg_mode_ctrl &= ~MASK_IQCAL_MODE; + reg_mode_ctrl |= (MASK_CALIB_START|0x02); + reg_mode_ctrl |= (MASK_CALIB_START|0x02|2<<2); + hw_set_dxx_reg(phw_data, REG_MODE_CTRL, reg_mode_ctrl); + PHY_DEBUG(("[CAL] MODE_CTRL (write) = 0x%08X\n", reg_mode_ctrl)); + + //pa_stall_execution(US); + OS_SLEEP(1); // 20060612.1.a + + //pa_stall_execution(300);//Sleep(30); + OS_SLEEP(300); // 20060612.1.a + + // b. + hw_get_dxx_reg(phw_data, REG_CALIB_READ1, &val); + + PHY_DEBUG(("[CAL] CALIB_READ1 = 0x%08X\n", val)); + //pa_stall_execution(US); + //pa_stall_execution(300);//Sleep(30); + OS_SLEEP(300); // 20060612.1.a + + iqcal_tone_i0 = _s13_to_s32(val & 0x00001FFF); + iqcal_tone_q0 = _s13_to_s32((val & 0x03FFE000) >> 13); + PHY_DEBUG(("[CAL] ** iqcal_tone_i0=%d, iqcal_tone_q0=%d\n", + iqcal_tone_i0, iqcal_tone_q0)); + + sqsum = iqcal_tone_i0*iqcal_tone_i0 + iqcal_tone_q0*iqcal_tone_q0; + iq_mag_0_tx = (s32) _sqrt(sqsum); + PHY_DEBUG(("[CAL] ** auto_adjust_txvga_for_iq_mag_0_tx=%d\n", iq_mag_0_tx)); + + if( iq_mag_0_tx>=700 && iq_mag_0_tx<=1750 ) + break; + else if(iq_mag_0_tx > 1750) + { + init_txvga=-2; + continue; + } + else + continue; + + } + + if( iq_mag_0_tx>=700 && iq_mag_0_tx<=1750 ) + return TRUE; + else + return FALSE; +} + + + |