blob: 9417c935fc303cfa1f21db815766a03aefab4f64 [file] [log] [blame]
/*
* Copyright (c) 1996, 2003 VIA Networking Technologies, Inc.
* All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
*
* File: baseband.c
*
* Purpose: Implement functions to access baseband
*
* Author: Jerry Chen
*
* Date: Jun. 5, 2002
*
* Functions:
* vnt_get_frame_time - Calculate data frame transmitting time
* vnt_get_phy_field - Calculate PhyLength, PhyService and Phy
* Signal parameter for baseband Tx
* vnt_vt3184_init - VIA VT3184 baseband chip init code
*
* Revision History:
*
*
*/
#include "mac.h"
#include "baseband.h"
#include "rf.h"
#include "usbpipe.h"
static u8 vnt_vt3184_agc[] = {
0x00, 0x00, 0x02, 0x02, 0x04, 0x04, 0x06, 0x06,
0x08, 0x08, 0x0a, 0x0a, 0x0c, 0x0c, 0x0e, 0x0e, /* 0x0f */
0x10, 0x10, 0x12, 0x12, 0x14, 0x14, 0x16, 0x16,
0x18, 0x18, 0x1a, 0x1a, 0x1c, 0x1c, 0x1e, 0x1e, /* 0x1f */
0x20, 0x20, 0x22, 0x22, 0x24, 0x24, 0x26, 0x26,
0x28, 0x28, 0x2a, 0x2a, 0x2c, 0x2c, 0x2e, 0x2e, /* 0x2f */
0x30, 0x30, 0x32, 0x32, 0x34, 0x34, 0x36, 0x36,
0x38, 0x38, 0x3a, 0x3a, 0x3c, 0x3c, 0x3e, 0x3e /* 0x3f */
};
static u8 vnt_vt3184_al2230[] = {
0x31, 0x00, 0x00, 0x00, 0x00, 0x80, 0x00, 0x00,
0x70, 0x45, 0x2a, 0x76, 0x00, 0x00, 0x80, 0x00, /* 0x0f */
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x8e, 0x0a, 0x00, 0x00, 0x00, /* 0x1f */
0x00, 0x00, 0x00, 0x00, 0x00, 0x4a, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x4a, 0x00, 0x0c, /* 0x2f */
0x26, 0x5b, 0x00, 0x00, 0x00, 0x00, 0xaa, 0xaa,
0xff, 0xff, 0x79, 0x00, 0x00, 0x0b, 0x48, 0x04, /* 0x3f */
0x00, 0x08, 0x00, 0x08, 0x08, 0x14, 0x05, 0x09,
0x00, 0x00, 0x00, 0x00, 0x09, 0x73, 0x00, 0xc5, /* 0x4f */
0x00, 0x19, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0xd0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x5f */
0xe4, 0x80, 0x00, 0x00, 0x00, 0x00, 0x98, 0x0a,
0x00, 0x00, 0x00, 0x00, 0x00, 0x03, 0x01, 0x00, /* 0x6f */
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x7f */
0x8c, 0x01, 0x09, 0x00, 0x00, 0x00, 0x00, 0x00,
0x08, 0x00, 0x1f, 0xb7, 0x88, 0x47, 0xaa, 0x00, /* 0x8f */
0x20, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xeb,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, /* 0x9f */
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x10, 0x00,
0x18, 0x00, 0x00, 0x00, 0x00, 0x15, 0x00, 0x18, /* 0xaf */
0x38, 0x30, 0x00, 0x00, 0xff, 0x0f, 0xe4, 0xe2,
0x00, 0x00, 0x00, 0x03, 0x01, 0x00, 0x00, 0x00, /* 0xbf */
0x18, 0x20, 0x07, 0x18, 0xff, 0xff, 0x0e, 0x0a,
0x0e, 0x00, 0x82, 0xa7, 0x3c, 0x10, 0x30, 0x05, /* 0xcf */
0x40, 0x12, 0x00, 0x00, 0x10, 0x28, 0x80, 0x2a,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0xdf */
0x00, 0xf3, 0x00, 0x00, 0x00, 0x10, 0x00, 0x12,
0x00, 0xf4, 0x00, 0xff, 0x79, 0x20, 0x30, 0x05, /* 0xef */
0x00, 0x3e, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 /* 0xff */
};
/* {{RobertYu:20060515, new BB setting for VT3226D0 */
static u8 vnt_vt3184_vt3226d0[] = {
0x31, 0x00, 0x00, 0x00, 0x00, 0x80, 0x00, 0x00,
0x70, 0x45, 0x2a, 0x76, 0x00, 0x00, 0x80, 0x00, /* 0x0f */
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x8e, 0x0a, 0x00, 0x00, 0x00, /* 0x1f */
0x00, 0x00, 0x00, 0x00, 0x00, 0x4a, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x4a, 0x00, 0x0c, /* 0x2f */
0x26, 0x5b, 0x00, 0x00, 0x00, 0x00, 0xaa, 0xaa,
0xff, 0xff, 0x79, 0x00, 0x00, 0x0b, 0x48, 0x04, /* 0x3f */
0x00, 0x08, 0x00, 0x08, 0x08, 0x14, 0x05, 0x09,
0x00, 0x00, 0x00, 0x00, 0x09, 0x73, 0x00, 0xc5, /* 0x4f */
0x00, 0x19, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0xd0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x5f */
0xe4, 0x80, 0x00, 0x00, 0x00, 0x00, 0x98, 0x0a,
0x00, 0x00, 0x00, 0x00, 0x00, 0x03, 0x01, 0x00, /* 0x6f */
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x7f */
0x8c, 0x01, 0x09, 0x00, 0x00, 0x00, 0x00, 0x00,
0x08, 0x00, 0x1f, 0xb7, 0x88, 0x47, 0xaa, 0x00, /* 0x8f */
0x20, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xeb,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, /* 0x9f */
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x10, 0x00,
0x18, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x18, /* 0xaf */
0x38, 0x30, 0x00, 0x00, 0xff, 0x0f, 0xe4, 0xe2,
0x00, 0x00, 0x00, 0x03, 0x01, 0x00, 0x00, 0x00, /* 0xbf */
0x18, 0x20, 0x07, 0x18, 0xff, 0xff, 0x10, 0x0a,
0x0e, 0x00, 0x84, 0xa7, 0x3c, 0x10, 0x24, 0x05, /* 0xcf */
0x40, 0x12, 0x00, 0x00, 0x10, 0x28, 0x80, 0x2a,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0xdf */
0x00, 0xf3, 0x00, 0x00, 0x00, 0x10, 0x00, 0x10,
0x00, 0xf4, 0x00, 0xff, 0x79, 0x20, 0x30, 0x08, /* 0xef */
0x00, 0x3e, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 /* 0xff */
};
static const u16 vnt_frame_time[MAX_RATE] = {
10, 20, 55, 110, 24, 36, 48, 72, 96, 144, 192, 216
};
/*
* Description: Calculate data frame transmitting time
*
* Parameters:
* In:
* preamble_type - Preamble Type
* pkt_type - PK_TYPE_11A, PK_TYPE_11B, PK_TYPE_11GB, PK_TYPE_11GA
* frame_length - Baseband Type
* tx_rate - Tx Rate
* Out:
*
* Return Value: FrameTime
*
*/
unsigned int vnt_get_frame_time(u8 preamble_type, u8 pkt_type,
unsigned int frame_length, u16 tx_rate)
{
unsigned int frame_time;
unsigned int preamble;
unsigned int tmp;
unsigned int rate = 0;
if (tx_rate > RATE_54M)
return 0;
rate = (unsigned int)vnt_frame_time[tx_rate];
if (tx_rate <= 3) {
if (preamble_type == 1)
preamble = 96;
else
preamble = 192;
frame_time = (frame_length * 80) / rate;
tmp = (frame_time * rate) / 80;
if (frame_length != tmp)
frame_time++;
return preamble + frame_time;
}
frame_time = (frame_length * 8 + 22) / rate;
tmp = ((frame_time * rate) - 22) / 8;
if (frame_length != tmp)
frame_time++;
frame_time = frame_time * 4;
if (pkt_type != PK_TYPE_11A)
frame_time += 6;
return 20 + frame_time;
}
/*
* Description: Calculate Length, Service, and Signal fields of Phy for Tx
*
* Parameters:
* In:
* priv - Device Structure
* frame_length - Tx Frame Length
* tx_rate - Tx Rate
* Out:
* struct vnt_phy_field *phy
* - pointer to Phy Length field
* - pointer to Phy Service field
* - pointer to Phy Signal field
*
* Return Value: none
*
*/
void vnt_get_phy_field(struct vnt_private *priv, u32 frame_length,
u16 tx_rate, u8 pkt_type, struct vnt_phy_field *phy)
{
u32 bit_count;
u32 count = 0;
u32 tmp;
int ext_bit;
u8 preamble_type = priv->preamble_type;
bit_count = frame_length * 8;
ext_bit = false;
switch (tx_rate) {
case RATE_1M:
count = bit_count;
phy->signal = 0x00;
break;
case RATE_2M:
count = bit_count / 2;
if (preamble_type == 1)
phy->signal = 0x09;
else
phy->signal = 0x01;
break;
case RATE_5M:
count = (bit_count * 10) / 55;
tmp = (count * 55) / 10;
if (tmp != bit_count)
count++;
if (preamble_type == 1)
phy->signal = 0x0a;
else
phy->signal = 0x02;
break;
case RATE_11M:
count = bit_count / 11;
tmp = count * 11;
if (tmp != bit_count) {
count++;
if ((bit_count - tmp) <= 3)
ext_bit = true;
}
if (preamble_type == 1)
phy->signal = 0x0b;
else
phy->signal = 0x03;
break;
case RATE_6M:
if (pkt_type == PK_TYPE_11A)
phy->signal = 0x9b;
else
phy->signal = 0x8b;
break;
case RATE_9M:
if (pkt_type == PK_TYPE_11A)
phy->signal = 0x9f;
else
phy->signal = 0x8f;
break;
case RATE_12M:
if (pkt_type == PK_TYPE_11A)
phy->signal = 0x9a;
else
phy->signal = 0x8a;
break;
case RATE_18M:
if (pkt_type == PK_TYPE_11A)
phy->signal = 0x9e;
else
phy->signal = 0x8e;
break;
case RATE_24M:
if (pkt_type == PK_TYPE_11A)
phy->signal = 0x99;
else
phy->signal = 0x89;
break;
case RATE_36M:
if (pkt_type == PK_TYPE_11A)
phy->signal = 0x9d;
else
phy->signal = 0x8d;
break;
case RATE_48M:
if (pkt_type == PK_TYPE_11A)
phy->signal = 0x98;
else
phy->signal = 0x88;
break;
case RATE_54M:
if (pkt_type == PK_TYPE_11A)
phy->signal = 0x9c;
else
phy->signal = 0x8c;
break;
default:
if (pkt_type == PK_TYPE_11A)
phy->signal = 0x9c;
else
phy->signal = 0x8c;
break;
}
if (pkt_type == PK_TYPE_11B) {
phy->service = 0x00;
if (ext_bit)
phy->service |= 0x80;
phy->len = cpu_to_le16((u16)count);
} else {
phy->service = 0x00;
phy->len = cpu_to_le16((u16)frame_length);
}
}
/*
* Description: Set Antenna mode
*
* Parameters:
* In:
* priv - Device Structure
* antenna_mode - Antenna Mode
* Out:
* none
*
* Return Value: none
*
*/
void vnt_set_antenna_mode(struct vnt_private *priv, u8 antenna_mode)
{
switch (antenna_mode) {
case ANT_TXA:
case ANT_TXB:
break;
case ANT_RXA:
priv->bb_rx_conf &= 0xFC;
break;
case ANT_RXB:
priv->bb_rx_conf &= 0xFE;
priv->bb_rx_conf |= 0x02;
break;
}
vnt_control_out(priv, MESSAGE_TYPE_SET_ANTMD,
(u16)antenna_mode, 0, 0, NULL);
}
/*
* Description: Set Antenna mode
*
* Parameters:
* In:
* pDevice - Device Structure
* byAntennaMode - Antenna Mode
* Out:
* none
*
* Return Value: none
*
*/
int vnt_vt3184_init(struct vnt_private *priv)
{
int status;
u16 length;
u8 *addr;
u8 *agc;
u16 length_agc;
u8 array[256];
u8 data;
status = vnt_control_in(priv, MESSAGE_TYPE_READ, 0,
MESSAGE_REQUEST_EEPROM, EEP_MAX_CONTEXT_SIZE,
priv->eeprom);
if (status != STATUS_SUCCESS)
return false;
priv->rf_type = priv->eeprom[EEP_OFS_RFTYPE];
dev_dbg(&priv->usb->dev, "RF Type %d\n", priv->rf_type);
if ((priv->rf_type == RF_AL2230) ||
(priv->rf_type == RF_AL2230S)) {
priv->bb_rx_conf = vnt_vt3184_al2230[10];
length = sizeof(vnt_vt3184_al2230);
addr = vnt_vt3184_al2230;
agc = vnt_vt3184_agc;
length_agc = sizeof(vnt_vt3184_agc);
priv->bb_vga[0] = 0x1C;
priv->bb_vga[1] = 0x10;
priv->bb_vga[2] = 0x0;
priv->bb_vga[3] = 0x0;
} else if (priv->rf_type == RF_AIROHA7230) {
priv->bb_rx_conf = vnt_vt3184_al2230[10];
length = sizeof(vnt_vt3184_al2230);
addr = vnt_vt3184_al2230;
agc = vnt_vt3184_agc;
length_agc = sizeof(vnt_vt3184_agc);
addr[0xd7] = 0x06;
priv->bb_vga[0] = 0x1c;
priv->bb_vga[1] = 0x10;
priv->bb_vga[2] = 0x0;
priv->bb_vga[3] = 0x0;
} else if ((priv->rf_type == RF_VT3226) ||
(priv->rf_type == RF_VT3226D0)) {
priv->bb_rx_conf = vnt_vt3184_vt3226d0[10];
length = sizeof(vnt_vt3184_vt3226d0);
addr = vnt_vt3184_vt3226d0;
agc = vnt_vt3184_agc;
length_agc = sizeof(vnt_vt3184_agc);
priv->bb_vga[0] = 0x20;
priv->bb_vga[1] = 0x10;
priv->bb_vga[2] = 0x0;
priv->bb_vga[3] = 0x0;
/* Fix VT3226 DFC system timing issue */
vnt_mac_reg_bits_on(priv, MAC_REG_SOFTPWRCTL2,
SOFTPWRCTL_RFLEOPT);
} else if (priv->rf_type == RF_VT3342A0) {
priv->bb_rx_conf = vnt_vt3184_vt3226d0[10];
length = sizeof(vnt_vt3184_vt3226d0);
addr = vnt_vt3184_vt3226d0;
agc = vnt_vt3184_agc;
length_agc = sizeof(vnt_vt3184_agc);
priv->bb_vga[0] = 0x20;
priv->bb_vga[1] = 0x10;
priv->bb_vga[2] = 0x0;
priv->bb_vga[3] = 0x0;
/* Fix VT3226 DFC system timing issue */
vnt_mac_reg_bits_on(priv, MAC_REG_SOFTPWRCTL2,
SOFTPWRCTL_RFLEOPT);
} else {
return true;
}
memcpy(array, addr, length);
vnt_control_out(priv, MESSAGE_TYPE_WRITE, 0,
MESSAGE_REQUEST_BBREG, length, array);
memcpy(array, agc, length_agc);
vnt_control_out(priv, MESSAGE_TYPE_WRITE, 0,
MESSAGE_REQUEST_BBAGC, length_agc, array);
if ((priv->rf_type == RF_VT3226) ||
(priv->rf_type == RF_VT3342A0)) {
vnt_control_out_u8(priv, MESSAGE_REQUEST_MACREG,
MAC_REG_ITRTMSET, 0x23);
vnt_mac_reg_bits_on(priv, MAC_REG_PAPEDELAY, 0x01);
} else if (priv->rf_type == RF_VT3226D0) {
vnt_control_out_u8(priv, MESSAGE_REQUEST_MACREG,
MAC_REG_ITRTMSET, 0x11);
vnt_mac_reg_bits_on(priv, MAC_REG_PAPEDELAY, 0x01);
}
vnt_control_out_u8(priv, MESSAGE_REQUEST_BBREG, 0x04, 0x7f);
vnt_control_out_u8(priv, MESSAGE_REQUEST_BBREG, 0x0d, 0x01);
vnt_rf_table_download(priv);
/* Fix for TX USB resets from vendors driver */
vnt_control_in(priv, MESSAGE_TYPE_READ, USB_REG4,
MESSAGE_REQUEST_MEM, sizeof(data), &data);
data |= 0x2;
vnt_control_out(priv, MESSAGE_TYPE_WRITE, USB_REG4,
MESSAGE_REQUEST_MEM, sizeof(data), &data);
return true;
}
/*
* Description: Set ShortSlotTime mode
*
* Parameters:
* In:
* priv - Device Structure
* Out:
* none
*
* Return Value: none
*
*/
void vnt_set_short_slot_time(struct vnt_private *priv)
{
u8 bb_vga = 0;
if (priv->short_slot_time)
priv->bb_rx_conf &= 0xdf;
else
priv->bb_rx_conf |= 0x20;
vnt_control_in_u8(priv, MESSAGE_REQUEST_BBREG, 0xe7, &bb_vga);
if (bb_vga == priv->bb_vga[0])
priv->bb_rx_conf |= 0x20;
vnt_control_out_u8(priv, MESSAGE_REQUEST_BBREG, 0x0a, priv->bb_rx_conf);
}
void vnt_set_vga_gain_offset(struct vnt_private *priv, u8 data)
{
vnt_control_out_u8(priv, MESSAGE_REQUEST_BBREG, 0xE7, data);
/* patch for 3253B0 Baseband with Cardbus module */
if (priv->short_slot_time)
priv->bb_rx_conf &= 0xdf; /* 1101 1111 */
else
priv->bb_rx_conf |= 0x20; /* 0010 0000 */
vnt_control_out_u8(priv, MESSAGE_REQUEST_BBREG, 0x0a, priv->bb_rx_conf);
}
/*
* Description: vnt_set_deep_sleep
*
* Parameters:
* In:
* priv - Device Structure
* Out:
* none
*
* Return Value: none
*
*/
void vnt_set_deep_sleep(struct vnt_private *priv)
{
vnt_control_out_u8(priv, MESSAGE_REQUEST_BBREG, 0x0c, 0x17);/* CR12 */
vnt_control_out_u8(priv, MESSAGE_REQUEST_BBREG, 0x0d, 0xB9);/* CR13 */
}
void vnt_exit_deep_sleep(struct vnt_private *priv)
{
vnt_control_out_u8(priv, MESSAGE_REQUEST_BBREG, 0x0c, 0x00);/* CR12 */
vnt_control_out_u8(priv, MESSAGE_REQUEST_BBREG, 0x0d, 0x01);/* CR13 */
}
void vnt_update_pre_ed_threshold(struct vnt_private *priv, int scanning)
{
u8 cr_201 = 0x0, cr_206 = 0x0;
u8 ed_inx = priv->bb_pre_ed_index;
switch (priv->rf_type) {
case RF_AL2230:
case RF_AL2230S:
case RF_AIROHA7230:
if (scanning) { /* Max sensitivity */
ed_inx = 0;
cr_206 = 0x30;
break;
}
if (priv->bb_pre_ed_rssi <= 45) {
ed_inx = 20;
cr_201 = 0xff;
} else if (priv->bb_pre_ed_rssi <= 46) {
ed_inx = 19;
cr_201 = 0x1a;
} else if (priv->bb_pre_ed_rssi <= 47) {
ed_inx = 18;
cr_201 = 0x15;
} else if (priv->bb_pre_ed_rssi <= 49) {
ed_inx = 17;
cr_201 = 0xe;
} else if (priv->bb_pre_ed_rssi <= 51) {
ed_inx = 16;
cr_201 = 0x9;
} else if (priv->bb_pre_ed_rssi <= 53) {
ed_inx = 15;
cr_201 = 0x6;
} else if (priv->bb_pre_ed_rssi <= 55) {
ed_inx = 14;
cr_201 = 0x3;
} else if (priv->bb_pre_ed_rssi <= 56) {
ed_inx = 13;
cr_201 = 0x2;
cr_206 = 0xa0;
} else if (priv->bb_pre_ed_rssi <= 57) {
ed_inx = 12;
cr_201 = 0x2;
cr_206 = 0x20;
} else if (priv->bb_pre_ed_rssi <= 58) {
ed_inx = 11;
cr_201 = 0x1;
cr_206 = 0xa0;
} else if (priv->bb_pre_ed_rssi <= 59) {
ed_inx = 10;
cr_201 = 0x1;
cr_206 = 0x54;
} else if (priv->bb_pre_ed_rssi <= 60) {
ed_inx = 9;
cr_201 = 0x1;
cr_206 = 0x18;
} else if (priv->bb_pre_ed_rssi <= 61) {
ed_inx = 8;
cr_206 = 0xe3;
} else if (priv->bb_pre_ed_rssi <= 62) {
ed_inx = 7;
cr_206 = 0xb9;
} else if (priv->bb_pre_ed_rssi <= 63) {
ed_inx = 6;
cr_206 = 0x93;
} else if (priv->bb_pre_ed_rssi <= 64) {
ed_inx = 5;
cr_206 = 0x79;
} else if (priv->bb_pre_ed_rssi <= 65) {
ed_inx = 4;
cr_206 = 0x62;
} else if (priv->bb_pre_ed_rssi <= 66) {
ed_inx = 3;
cr_206 = 0x51;
} else if (priv->bb_pre_ed_rssi <= 67) {
ed_inx = 2;
cr_206 = 0x43;
} else if (priv->bb_pre_ed_rssi <= 68) {
ed_inx = 1;
cr_206 = 0x36;
} else {
ed_inx = 0;
cr_206 = 0x30;
}
break;
case RF_VT3226:
case RF_VT3226D0:
if (scanning) { /* Max sensitivity */
ed_inx = 0;
cr_206 = 0x24;
break;
}
if (priv->bb_pre_ed_rssi <= 41) {
ed_inx = 22;
cr_201 = 0xff;
} else if (priv->bb_pre_ed_rssi <= 42) {
ed_inx = 21;
cr_201 = 0x36;
} else if (priv->bb_pre_ed_rssi <= 43) {
ed_inx = 20;
cr_201 = 0x26;
} else if (priv->bb_pre_ed_rssi <= 45) {
ed_inx = 19;
cr_201 = 0x18;
} else if (priv->bb_pre_ed_rssi <= 47) {
ed_inx = 18;
cr_201 = 0x11;
} else if (priv->bb_pre_ed_rssi <= 49) {
ed_inx = 17;
cr_201 = 0xa;
} else if (priv->bb_pre_ed_rssi <= 51) {
ed_inx = 16;
cr_201 = 0x7;
} else if (priv->bb_pre_ed_rssi <= 53) {
ed_inx = 15;
cr_201 = 0x4;
} else if (priv->bb_pre_ed_rssi <= 55) {
ed_inx = 14;
cr_201 = 0x2;
cr_206 = 0xc0;
} else if (priv->bb_pre_ed_rssi <= 56) {
ed_inx = 13;
cr_201 = 0x2;
cr_206 = 0x30;
} else if (priv->bb_pre_ed_rssi <= 57) {
ed_inx = 12;
cr_201 = 0x1;
cr_206 = 0xb0;
} else if (priv->bb_pre_ed_rssi <= 58) {
ed_inx = 11;
cr_201 = 0x1;
cr_206 = 0x70;
} else if (priv->bb_pre_ed_rssi <= 59) {
ed_inx = 10;
cr_201 = 0x1;
cr_206 = 0x30;
} else if (priv->bb_pre_ed_rssi <= 60) {
ed_inx = 9;
cr_206 = 0xea;
} else if (priv->bb_pre_ed_rssi <= 61) {
ed_inx = 8;
cr_206 = 0xc0;
} else if (priv->bb_pre_ed_rssi <= 62) {
ed_inx = 7;
cr_206 = 0x9c;
} else if (priv->bb_pre_ed_rssi <= 63) {
ed_inx = 6;
cr_206 = 0x80;
} else if (priv->bb_pre_ed_rssi <= 64) {
ed_inx = 5;
cr_206 = 0x68;
} else if (priv->bb_pre_ed_rssi <= 65) {
ed_inx = 4;
cr_206 = 0x52;
} else if (priv->bb_pre_ed_rssi <= 66) {
ed_inx = 3;
cr_206 = 0x43;
} else if (priv->bb_pre_ed_rssi <= 67) {
ed_inx = 2;
cr_206 = 0x36;
} else if (priv->bb_pre_ed_rssi <= 68) {
ed_inx = 1;
cr_206 = 0x2d;
} else {
ed_inx = 0;
cr_206 = 0x24;
}
break;
case RF_VT3342A0:
if (scanning) { /* need Max sensitivity */
ed_inx = 0;
cr_206 = 0x38;
break;
}
if (priv->bb_pre_ed_rssi <= 41) {
ed_inx = 20;
cr_201 = 0xff;
} else if (priv->bb_pre_ed_rssi <= 42) {
ed_inx = 19;
cr_201 = 0x36;
} else if (priv->bb_pre_ed_rssi <= 43) {
ed_inx = 18;
cr_201 = 0x26;
} else if (priv->bb_pre_ed_rssi <= 45) {
ed_inx = 17;
cr_201 = 0x18;
} else if (priv->bb_pre_ed_rssi <= 47) {
ed_inx = 16;
cr_201 = 0x11;
} else if (priv->bb_pre_ed_rssi <= 49) {
ed_inx = 15;
cr_201 = 0xa;
} else if (priv->bb_pre_ed_rssi <= 51) {
ed_inx = 14;
cr_201 = 0x7;
} else if (priv->bb_pre_ed_rssi <= 53) {
ed_inx = 13;
cr_201 = 0x4;
} else if (priv->bb_pre_ed_rssi <= 55) {
ed_inx = 12;
cr_201 = 0x2;
cr_206 = 0xc0;
} else if (priv->bb_pre_ed_rssi <= 56) {
ed_inx = 11;
cr_201 = 0x2;
cr_206 = 0x30;
} else if (priv->bb_pre_ed_rssi <= 57) {
ed_inx = 10;
cr_201 = 0x1;
cr_206 = 0xb0;
} else if (priv->bb_pre_ed_rssi <= 58) {
ed_inx = 9;
cr_201 = 0x1;
cr_206 = 0x70;
} else if (priv->bb_pre_ed_rssi <= 59) {
ed_inx = 8;
cr_201 = 0x1;
cr_206 = 0x30;
} else if (priv->bb_pre_ed_rssi <= 60) {
ed_inx = 7;
cr_206 = 0xea;
} else if (priv->bb_pre_ed_rssi <= 61) {
ed_inx = 6;
cr_206 = 0xc0;
} else if (priv->bb_pre_ed_rssi <= 62) {
ed_inx = 5;
cr_206 = 0x9c;
} else if (priv->bb_pre_ed_rssi <= 63) {
ed_inx = 4;
cr_206 = 0x80;
} else if (priv->bb_pre_ed_rssi <= 64) {
ed_inx = 3;
cr_206 = 0x68;
} else if (priv->bb_pre_ed_rssi <= 65) {
ed_inx = 2;
cr_206 = 0x52;
} else if (priv->bb_pre_ed_rssi <= 66) {
ed_inx = 1;
cr_206 = 0x43;
} else {
ed_inx = 0;
cr_206 = 0x38;
}
break;
}
if (ed_inx == priv->bb_pre_ed_index && !scanning)
return;
priv->bb_pre_ed_index = ed_inx;
dev_dbg(&priv->usb->dev, "%s bb_pre_ed_rssi %d\n",
__func__, priv->bb_pre_ed_rssi);
if (!cr_201 && !cr_206)
return;
vnt_control_out_u8(priv, MESSAGE_REQUEST_BBREG, 0xc9, cr_201);
vnt_control_out_u8(priv, MESSAGE_REQUEST_BBREG, 0xce, cr_206);
}