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// SPDX-License-Identifier: GPL-2.0+
/*
* Copyright (c) 1996, 2003 VIA Networking Technologies, Inc.
* All rights reserved.
*
* 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 <linux/bits.h>
#include <linux/errno.h>
#include <linux/kernel.h>
#include "device.h"
#include "mac.h"
#include "baseband.h"
#include "rf.h"
#include "usbpipe.h"
static const 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 const 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 */
};
struct vnt_threshold {
u8 bb_pre_ed_rssi;
u8 cr_201;
u8 cr_206;
};
static const struct vnt_threshold al2230_vnt_threshold[] = {
{0, 0x00, 0x30}, /* Max sensitivity */
{68, 0x00, 0x36},
{67, 0x00, 0x43},
{66, 0x00, 0x51},
{65, 0x00, 0x62},
{64, 0x00, 0x79},
{63, 0x00, 0x93},
{62, 0x00, 0xb9},
{61, 0x00, 0xe3},
{60, 0x01, 0x18},
{59, 0x01, 0x54},
{58, 0x01, 0xa0},
{57, 0x02, 0x20},
{56, 0x02, 0xa0},
{55, 0x03, 0x00},
{53, 0x06, 0x00},
{51, 0x09, 0x00},
{49, 0x0e, 0x00},
{47, 0x15, 0x00},
{46, 0x1a, 0x00},
{45, 0xff, 0x00}
};
static const struct vnt_threshold vt3226_vnt_threshold[] = {
{0, 0x00, 0x24}, /* Max sensitivity */
{68, 0x00, 0x2d},
{67, 0x00, 0x36},
{66, 0x00, 0x43},
{65, 0x00, 0x52},
{64, 0x00, 0x68},
{63, 0x00, 0x80},
{62, 0x00, 0x9c},
{61, 0x00, 0xc0},
{60, 0x00, 0xea},
{59, 0x01, 0x30},
{58, 0x01, 0x70},
{57, 0x01, 0xb0},
{56, 0x02, 0x30},
{55, 0x02, 0xc0},
{53, 0x04, 0x00},
{51, 0x07, 0x00},
{49, 0x0a, 0x00},
{47, 0x11, 0x00},
{45, 0x18, 0x00},
{43, 0x26, 0x00},
{42, 0x36, 0x00},
{41, 0xff, 0x00}
};
/*
* Description: Set Antenna mode
*
* Parameters:
* In:
* priv - Device Structure
* antenna_mode - Antenna Mode
* Out:
* none
*
* Return Value: none
*
*/
int 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;
}
return 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 ret;
u16 length;
u8 *addr = NULL;
const u8 *c_addr;
u8 data;
ret = vnt_control_in(priv, MESSAGE_TYPE_READ, 0, MESSAGE_REQUEST_EEPROM,
EEP_MAX_CONTEXT_SIZE, priv->eeprom);
if (ret)
goto end;
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;
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);
c_addr = vnt_vt3184_vt3226d0;
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 */
ret = vnt_mac_reg_bits_on(priv, MAC_REG_SOFTPWRCTL2,
SOFTPWRCTL_RFLEOPT);
if (ret)
goto end;
} else {
goto end;
}
if (addr)
c_addr = addr;
ret = vnt_control_out_blocks(priv, VNT_REG_BLOCK_SIZE,
MESSAGE_REQUEST_BBREG, length, c_addr);
if (ret)
goto end;
ret = vnt_control_out(priv, MESSAGE_TYPE_WRITE, 0,
MESSAGE_REQUEST_BBAGC,
sizeof(vnt_vt3184_agc), vnt_vt3184_agc);
if (ret)
goto end;
if ((priv->rf_type == RF_VT3226) ||
(priv->rf_type == RF_VT3226D0)) {
data = (priv->rf_type == RF_VT3226D0) ? 0x11 : 0x23;
ret = vnt_control_out_u8(priv, MESSAGE_REQUEST_MACREG,
MAC_REG_ITRTMSET, data);
if (ret)
goto end;
ret = vnt_mac_reg_bits_on(priv, MAC_REG_PAPEDELAY, BIT(0));
if (ret)
goto end;
}
ret = vnt_control_out_u8(priv, MESSAGE_REQUEST_BBREG, 0x04, 0x7f);
if (ret)
goto end;
ret = vnt_control_out_u8(priv, MESSAGE_REQUEST_BBREG, 0x0d, 0x01);
if (ret)
goto end;
ret = vnt_rf_table_download(priv);
if (ret)
goto end;
/* Fix for TX USB resets from vendors driver */
ret = vnt_control_in(priv, MESSAGE_TYPE_READ, USB_REG4,
MESSAGE_REQUEST_MEM, sizeof(data), &data);
if (ret)
goto end;
data |= 0x2;
ret = vnt_control_out(priv, MESSAGE_TYPE_WRITE, USB_REG4,
MESSAGE_REQUEST_MEM, sizeof(data), &data);
end:
return ret;
}
/*
* Description: Set ShortSlotTime mode
*
* Parameters:
* In:
* priv - Device Structure
* Out:
* none
*
* Return Value: none
*
*/
int vnt_set_short_slot_time(struct vnt_private *priv)
{
int ret = 0;
u8 bb_vga = 0;
if (priv->short_slot_time)
priv->bb_rx_conf &= 0xdf;
else
priv->bb_rx_conf |= 0x20;
ret = vnt_control_in_u8(priv, MESSAGE_REQUEST_BBREG, 0xe7, &bb_vga);
if (ret)
return ret;
if (bb_vga == priv->bb_vga[0])
priv->bb_rx_conf |= 0x20;
return vnt_control_out_u8(priv, MESSAGE_REQUEST_BBREG, 0x0a,
priv->bb_rx_conf);
}
int vnt_set_vga_gain_offset(struct vnt_private *priv, u8 data)
{
int ret;
ret = vnt_control_out_u8(priv, MESSAGE_REQUEST_BBREG, 0xE7, data);
if (ret)
return ret;
/* 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 */
return 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
*
*/
int vnt_set_deep_sleep(struct vnt_private *priv)
{
int ret = 0;
/* CR12 */
ret = vnt_control_out_u8(priv, MESSAGE_REQUEST_BBREG, 0x0c, 0x17);
if (ret)
return ret;
/* CR13 */
return vnt_control_out_u8(priv, MESSAGE_REQUEST_BBREG, 0x0d, 0xB9);
}
int vnt_exit_deep_sleep(struct vnt_private *priv)
{
int ret = 0;
/* CR12 */
ret = vnt_control_out_u8(priv, MESSAGE_REQUEST_BBREG, 0x0c, 0x00);
if (ret)
return ret;
/* CR13 */
return vnt_control_out_u8(priv, MESSAGE_REQUEST_BBREG, 0x0d, 0x01);
}
int vnt_update_pre_ed_threshold(struct vnt_private *priv, int scanning)
{
const struct vnt_threshold *threshold = NULL;
u8 length;
u8 cr_201, cr_206;
u8 ed_inx;
int ret;
switch (priv->rf_type) {
case RF_AL2230:
case RF_AL2230S:
threshold = al2230_vnt_threshold;
length = ARRAY_SIZE(al2230_vnt_threshold);
break;
case RF_VT3226:
case RF_VT3226D0:
threshold = vt3226_vnt_threshold;
length = ARRAY_SIZE(vt3226_vnt_threshold);
break;
}
if (!threshold)
return -EINVAL;
for (ed_inx = scanning ? 0 : length - 1; ed_inx > 0; ed_inx--) {
if (priv->bb_pre_ed_rssi <= threshold[ed_inx].bb_pre_ed_rssi)
break;
}
cr_201 = threshold[ed_inx].cr_201;
cr_206 = threshold[ed_inx].cr_206;
if (ed_inx == priv->bb_pre_ed_index && !scanning)
return 0;
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);
ret = vnt_control_out_u8(priv, MESSAGE_REQUEST_BBREG, 0xc9, cr_201);
if (ret)
return ret;
return vnt_control_out_u8(priv, MESSAGE_REQUEST_BBREG, 0xce, cr_206);
}