![Sankar P](/assets/img/avatar_default.png)
Remove the typedef named "fixed" used for the standard type s32 Signed-off-by: Sankar P <sankar.curiosity@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
1754 lines
50 KiB
C
1754 lines
50 KiB
C
/*
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* phy_302_calibration.c
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*
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* Copyright (C) 2002, 2005 Winbond Electronics Corp.
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*
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* modification history
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* ---------------------------------------------------------------------------
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* 0.01.001, 2003-04-16, Kevin created
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*
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*/
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/****************** INCLUDE FILES SECTION ***********************************/
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#include "sysdef.h"
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#include "phy_calibration.h"
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#include "wbhal_f.h"
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/****************** DEBUG CONSTANT AND MACRO SECTION ************************/
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/****************** LOCAL CONSTANT AND MACRO SECTION ************************/
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#define LOOP_TIMES 20
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#define US 1000//MICROSECOND
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#define AG_CONST 0.6072529350
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#define FIXED(X) ((s32)((X) * 32768.0))
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#define DEG2RAD(X) 0.017453 * (X)
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static const s32 Angles[] =
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{
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FIXED(DEG2RAD(45.0)), FIXED(DEG2RAD(26.565)), FIXED(DEG2RAD(14.0362)),
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FIXED(DEG2RAD(7.12502)), FIXED(DEG2RAD(3.57633)), FIXED(DEG2RAD(1.78991)),
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FIXED(DEG2RAD(0.895174)),FIXED(DEG2RAD(0.447614)),FIXED(DEG2RAD(0.223811)),
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FIXED(DEG2RAD(0.111906)),FIXED(DEG2RAD(0.055953)),FIXED(DEG2RAD(0.027977))
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};
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/****************** LOCAL FUNCTION DECLARATION SECTION **********************/
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//void _phy_rf_write_delay(struct hw_data *phw_data);
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//void phy_init_rf(struct hw_data *phw_data);
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/****************** FUNCTION DEFINITION SECTION *****************************/
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s32 _s13_to_s32(u32 data)
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{
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u32 val;
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val = (data & 0x0FFF);
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if ((data & BIT(12)) != 0)
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{
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val |= 0xFFFFF000;
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}
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return ((s32) val);
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}
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u32 _s32_to_s13(s32 data)
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{
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u32 val;
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if (data > 4095)
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{
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data = 4095;
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}
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else if (data < -4096)
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{
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data = -4096;
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}
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val = data & 0x1FFF;
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return val;
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}
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/****************************************************************************/
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s32 _s4_to_s32(u32 data)
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{
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s32 val;
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val = (data & 0x0007);
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if ((data & BIT(3)) != 0)
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{
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val |= 0xFFFFFFF8;
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}
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return val;
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}
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u32 _s32_to_s4(s32 data)
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{
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u32 val;
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if (data > 7)
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{
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data = 7;
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}
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else if (data < -8)
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{
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data = -8;
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}
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val = data & 0x000F;
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return val;
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}
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/****************************************************************************/
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s32 _s5_to_s32(u32 data)
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{
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s32 val;
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val = (data & 0x000F);
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if ((data & BIT(4)) != 0)
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{
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val |= 0xFFFFFFF0;
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}
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return val;
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}
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u32 _s32_to_s5(s32 data)
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{
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u32 val;
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if (data > 15)
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{
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data = 15;
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}
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else if (data < -16)
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{
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data = -16;
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}
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val = data & 0x001F;
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return val;
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}
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/****************************************************************************/
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s32 _s6_to_s32(u32 data)
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{
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s32 val;
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val = (data & 0x001F);
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if ((data & BIT(5)) != 0)
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{
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val |= 0xFFFFFFE0;
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}
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return val;
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}
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u32 _s32_to_s6(s32 data)
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{
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u32 val;
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if (data > 31)
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{
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data = 31;
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}
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else if (data < -32)
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{
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data = -32;
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}
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val = data & 0x003F;
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return val;
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}
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/****************************************************************************/
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s32 _s9_to_s32(u32 data)
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{
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s32 val;
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val = data & 0x00FF;
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if ((data & BIT(8)) != 0)
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{
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val |= 0xFFFFFF00;
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}
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return val;
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}
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u32 _s32_to_s9(s32 data)
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{
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u32 val;
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if (data > 255)
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{
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data = 255;
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}
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else if (data < -256)
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{
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data = -256;
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}
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val = data & 0x01FF;
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return val;
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}
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/****************************************************************************/
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s32 _floor(s32 n)
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{
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if (n > 0)
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{
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n += 5;
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}
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else
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{
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n -= 5;
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}
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return (n/10);
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}
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/****************************************************************************/
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// The following code is sqare-root function.
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// sqsum is the input and the output is sq_rt;
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// The maximum of sqsum = 2^27 -1;
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u32 _sqrt(u32 sqsum)
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{
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u32 sq_rt;
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int g0, g1, g2, g3, g4;
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int seed;
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int next;
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int step;
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g4 = sqsum / 100000000;
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g3 = (sqsum - g4*100000000) /1000000;
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g2 = (sqsum - g4*100000000 - g3*1000000) /10000;
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g1 = (sqsum - g4*100000000 - g3*1000000 - g2*10000) /100;
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g0 = (sqsum - g4*100000000 - g3*1000000 - g2*10000 - g1*100);
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next = g4;
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step = 0;
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seed = 0;
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while (((seed+1)*(step+1)) <= next)
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{
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step++;
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seed++;
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}
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sq_rt = seed * 10000;
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next = (next-(seed*step))*100 + g3;
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step = 0;
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seed = 2 * seed * 10;
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while (((seed+1)*(step+1)) <= next)
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{
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step++;
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seed++;
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}
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sq_rt = sq_rt + step * 1000;
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next = (next - seed * step) * 100 + g2;
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seed = (seed + step) * 10;
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step = 0;
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while (((seed+1)*(step+1)) <= next)
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{
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step++;
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seed++;
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}
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sq_rt = sq_rt + step * 100;
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next = (next - seed * step) * 100 + g1;
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seed = (seed + step) * 10;
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step = 0;
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while (((seed+1)*(step+1)) <= next)
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{
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step++;
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seed++;
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}
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sq_rt = sq_rt + step * 10;
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next = (next - seed* step) * 100 + g0;
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seed = (seed + step) * 10;
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step = 0;
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while (((seed+1)*(step+1)) <= next)
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{
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step++;
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seed++;
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}
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sq_rt = sq_rt + step;
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return sq_rt;
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}
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/****************************************************************************/
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void _sin_cos(s32 angle, s32 *sin, s32 *cos)
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{
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s32 X, Y, TargetAngle, CurrAngle;
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unsigned Step;
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X=FIXED(AG_CONST); // AG_CONST * cos(0)
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Y=0; // AG_CONST * sin(0)
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TargetAngle=abs(angle);
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CurrAngle=0;
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for (Step=0; Step < 12; Step++)
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{
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s32 NewX;
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if(TargetAngle > CurrAngle)
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{
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NewX=X - (Y >> Step);
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Y=(X >> Step) + Y;
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X=NewX;
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CurrAngle += Angles[Step];
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}
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else
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{
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NewX=X + (Y >> Step);
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Y=-(X >> Step) + Y;
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X=NewX;
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CurrAngle -= Angles[Step];
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}
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}
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if (angle > 0)
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{
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*cos = X;
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*sin = Y;
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}
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else
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{
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*cos = X;
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*sin = -Y;
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}
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}
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static unsigned char hal_get_dxx_reg(struct hw_data *pHwData, u16 number, u32 * pValue)
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{
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if (number < 0x1000)
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number += 0x1000;
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return Wb35Reg_ReadSync(pHwData, number, pValue);
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}
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#define hw_get_dxx_reg( _A, _B, _C ) hal_get_dxx_reg( _A, _B, (u32 *)_C )
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static unsigned char hal_set_dxx_reg(struct hw_data *pHwData, u16 number, u32 value)
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{
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unsigned char ret;
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if (number < 0x1000)
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number += 0x1000;
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ret = Wb35Reg_WriteSync(pHwData, number, value);
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return ret;
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}
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#define hw_set_dxx_reg( _A, _B, _C ) hal_set_dxx_reg( _A, _B, (u32)_C )
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void _reset_rx_cal(struct hw_data *phw_data)
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{
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u32 val;
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hw_get_dxx_reg(phw_data, 0x54, &val);
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if (phw_data->revision == 0x2002) // 1st-cut
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{
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val &= 0xFFFF0000;
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}
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else // 2nd-cut
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{
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val &= 0x000003FF;
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}
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hw_set_dxx_reg(phw_data, 0x54, val);
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}
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// ************for winbond calibration*********
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//
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//
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//
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// *********************************************
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void _rxadc_dc_offset_cancellation_winbond(struct hw_data *phw_data, u32 frequency)
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{
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u32 reg_agc_ctrl3;
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u32 reg_a_acq_ctrl;
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u32 reg_b_acq_ctrl;
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u32 val;
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PHY_DEBUG(("[CAL] -> [1]_rxadc_dc_offset_cancellation()\n"));
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phy_init_rf(phw_data);
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// set calibration channel
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if( (RF_WB_242 == phw_data->phy_type) ||
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(RF_WB_242_1 == phw_data->phy_type) ) // 20060619.5 Add
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{
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if ((frequency >= 2412) && (frequency <= 2484))
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{
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// w89rf242 change frequency to 2390Mhz
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PHY_DEBUG(("[CAL] W89RF242/11G/Channel=2390Mhz\n"));
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phy_set_rf_data(phw_data, 3, (3<<24)|0x025586);
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}
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}
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else
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{
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}
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// reset cancel_dc_i[9:5] and cancel_dc_q[4:0] in register DC_Cancel
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hw_get_dxx_reg(phw_data, 0x5C, &val);
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val &= ~(0x03FF);
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hw_set_dxx_reg(phw_data, 0x5C, val);
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// reset the TX and RX IQ calibration data
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hw_set_dxx_reg(phw_data, 0x3C, 0);
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hw_set_dxx_reg(phw_data, 0x54, 0);
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hw_set_dxx_reg(phw_data, 0x58, 0x30303030); // IQ_Alpha Changed
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// a. Disable AGC
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hw_get_dxx_reg(phw_data, REG_AGC_CTRL3, ®_agc_ctrl3);
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reg_agc_ctrl3 &= ~BIT(2);
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reg_agc_ctrl3 |= (MASK_LNA_FIX_GAIN|MASK_AGC_FIX);
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hw_set_dxx_reg(phw_data, REG_AGC_CTRL3, reg_agc_ctrl3);
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hw_get_dxx_reg(phw_data, REG_AGC_CTRL5, &val);
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val |= MASK_AGC_FIX_GAIN;
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hw_set_dxx_reg(phw_data, REG_AGC_CTRL5, val);
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// b. Turn off BB RX
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hw_get_dxx_reg(phw_data, REG_A_ACQ_CTRL, ®_a_acq_ctrl);
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reg_a_acq_ctrl |= MASK_AMER_OFF_REG;
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hw_set_dxx_reg(phw_data, REG_A_ACQ_CTRL, reg_a_acq_ctrl);
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hw_get_dxx_reg(phw_data, REG_B_ACQ_CTRL, ®_b_acq_ctrl);
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reg_b_acq_ctrl |= MASK_BMER_OFF_REG;
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hw_set_dxx_reg(phw_data, REG_B_ACQ_CTRL, reg_b_acq_ctrl);
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// c. Make sure MAC is in receiving mode
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// d. Turn ON ADC calibration
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// - ADC calibrator is triggered by this signal rising from 0 to 1
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hw_get_dxx_reg(phw_data, REG_MODE_CTRL, &val);
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val &= ~MASK_ADC_DC_CAL_STR;
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hw_set_dxx_reg(phw_data, REG_MODE_CTRL, val);
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val |= MASK_ADC_DC_CAL_STR;
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hw_set_dxx_reg(phw_data, REG_MODE_CTRL, val);
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// e. The result are shown in "adc_dc_cal_i[8:0] and adc_dc_cal_q[8:0]"
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#ifdef _DEBUG
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hw_get_dxx_reg(phw_data, REG_OFFSET_READ, &val);
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PHY_DEBUG(("[CAL] REG_OFFSET_READ = 0x%08X\n", val));
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PHY_DEBUG(("[CAL] ** adc_dc_cal_i = %d (0x%04X)\n",
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_s9_to_s32(val&0x000001FF), val&0x000001FF));
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PHY_DEBUG(("[CAL] ** adc_dc_cal_q = %d (0x%04X)\n",
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_s9_to_s32((val&0x0003FE00)>>9), (val&0x0003FE00)>>9));
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#endif
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hw_get_dxx_reg(phw_data, REG_MODE_CTRL, &val);
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val &= ~MASK_ADC_DC_CAL_STR;
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hw_set_dxx_reg(phw_data, REG_MODE_CTRL, val);
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// f. Turn on BB RX
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//hw_get_dxx_reg(phw_data, REG_A_ACQ_CTRL, ®_a_acq_ctrl);
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reg_a_acq_ctrl &= ~MASK_AMER_OFF_REG;
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hw_set_dxx_reg(phw_data, REG_A_ACQ_CTRL, reg_a_acq_ctrl);
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//hw_get_dxx_reg(phw_data, REG_B_ACQ_CTRL, ®_b_acq_ctrl);
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reg_b_acq_ctrl &= ~MASK_BMER_OFF_REG;
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hw_set_dxx_reg(phw_data, REG_B_ACQ_CTRL, reg_b_acq_ctrl);
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// g. Enable AGC
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//hw_get_dxx_reg(phw_data, REG_AGC_CTRL3, &val);
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reg_agc_ctrl3 |= BIT(2);
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reg_agc_ctrl3 &= ~(MASK_LNA_FIX_GAIN|MASK_AGC_FIX);
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hw_set_dxx_reg(phw_data, REG_AGC_CTRL3, reg_agc_ctrl3);
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}
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////////////////////////////////////////////////////////
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void _txidac_dc_offset_cancellation_winbond(struct hw_data *phw_data)
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{
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u32 reg_agc_ctrl3;
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u32 reg_mode_ctrl;
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u32 reg_dc_cancel;
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s32 iqcal_image_i;
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s32 iqcal_image_q;
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u32 sqsum;
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s32 mag_0;
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s32 mag_1;
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s32 fix_cancel_dc_i = 0;
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u32 val;
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int loop;
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PHY_DEBUG(("[CAL] -> [2]_txidac_dc_offset_cancellation()\n"));
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// a. Set to "TX calibration mode"
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//0x01 0xEE3FC2 ; 3B8FF ; Calibration (6a). enable TX IQ calibration loop circuits
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phy_set_rf_data(phw_data, 1, (1<<24)|0xEE3FC2);
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//0x0B 0x1905D6 ; 06417 ; Calibration (6b). enable TX I/Q cal loop squaring circuit
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phy_set_rf_data(phw_data, 11, (11<<24)|0x1901D6);
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//0x05 0x24C60A ; 09318 ; Calibration (6c). setting TX-VGA gain: TXGCH=2 & GPK=110 --> to be optimized
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phy_set_rf_data(phw_data, 5, (5<<24)|0x24C48A);
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//0x06 0x06880C ; 01A20 ; Calibration (6d). RXGCH=00; RXGCL=100 000 (RXVGA=32) --> to be optimized
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phy_set_rf_data(phw_data, 6, (6<<24)|0x06890C);
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//0x00 0xFDF1C0 ; 3F7C7 ; Calibration (6e). turn on IQ imbalance/Test mode
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phy_set_rf_data(phw_data, 0, (0<<24)|0xFDF1C0);
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hw_set_dxx_reg(phw_data, 0x58, 0x30303030); // IQ_Alpha Changed
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// a. Disable AGC
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hw_get_dxx_reg(phw_data, REG_AGC_CTRL3, ®_agc_ctrl3);
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reg_agc_ctrl3 &= ~BIT(2);
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reg_agc_ctrl3 |= (MASK_LNA_FIX_GAIN|MASK_AGC_FIX);
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hw_set_dxx_reg(phw_data, REG_AGC_CTRL3, reg_agc_ctrl3);
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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));
|
|
|
|
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);
|
|
|
|
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);
|
|
|
|
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));
|
|
}
|
|
|
|
///////////////////////////////////////////////////////
|
|
void _txqdac_dc_offset_cacellation_winbond(struct hw_data *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));
|
|
|
|
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);
|
|
|
|
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 = _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);
|
|
|
|
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 = _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));
|
|
}
|
|
|
|
//20060612.1.a 20060718.1 Modify
|
|
u8 _tx_iq_calibration_loop_winbond(struct hw_data *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));
|
|
|
|
// b.
|
|
hw_get_dxx_reg(phw_data, REG_CALIB_READ1, &val);
|
|
PHY_DEBUG(("[CAL] CALIB_READ1 = 0x%08X\n", val));
|
|
|
|
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));
|
|
|
|
// 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));
|
|
|
|
// e.
|
|
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));
|
|
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(struct hw_data *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);
|
|
|
|
msleep(30); // 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(struct hw_data *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));
|
|
|
|
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));
|
|
|
|
// 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(struct hw_data *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(struct hw_data *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( struct hw_data * 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(struct hw_data *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;
|
|
|
|
msleep(30); // 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));
|
|
|
|
udelay(1); // 20060612.1.a
|
|
|
|
udelay(300); // 20060612.1.a
|
|
|
|
// b.
|
|
hw_get_dxx_reg(phw_data, REG_CALIB_READ1, &val);
|
|
|
|
PHY_DEBUG(("[CAL] CALIB_READ1 = 0x%08X\n", val));
|
|
udelay(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;
|
|
}
|
|
|
|
|
|
|