| // SPDX-License-Identifier: GPL-2.0+ |
| /* |
| * Copyright (c) 1996, 2003 VIA Networking Technologies, Inc. |
| * All rights reserved. |
| * |
| * Purpose: rf function code |
| * |
| * Author: Jerry Chen |
| * |
| * Date: Feb. 19, 2004 |
| * |
| * Functions: |
| * vnt_rf_write_embedded - Embedded write RF register via MAC |
| * |
| * Revision History: |
| * RF_VT3226: RobertYu:20051111, VT3226C0 and before |
| * RF_VT3226D0: RobertYu:20051228 |
| * RF_VT3342A0: RobertYu:20060609 |
| * |
| */ |
| |
| #include <linux/errno.h> |
| #include "mac.h" |
| #include "rf.h" |
| #include "baseband.h" |
| #include "usbpipe.h" |
| |
| #define CB_AL2230_INIT_SEQ 15 |
| #define CB_AL7230_INIT_SEQ 16 |
| #define CB_VT3226_INIT_SEQ 11 |
| #define CB_VT3342_INIT_SEQ 13 |
| |
| static u8 al2230_init_table[CB_AL2230_INIT_SEQ][3] = { |
| {0x03, 0xf7, 0x90}, |
| {0x03, 0x33, 0x31}, |
| {0x01, 0xb8, 0x02}, |
| {0x00, 0xff, 0xf3}, |
| {0x00, 0x05, 0xa4}, |
| {0x0f, 0x4d, 0xc5}, |
| {0x08, 0x05, 0xb6}, |
| {0x01, 0x47, 0xc7}, |
| {0x00, 0x06, 0x88}, |
| {0x04, 0x03, 0xb9}, |
| {0x00, 0xdb, 0xba}, |
| {0x00, 0x09, 0x9b}, |
| {0x0b, 0xdf, 0xfc}, |
| {0x00, 0x00, 0x0d}, |
| {0x00, 0x58, 0x0f} |
| }; |
| |
| static u8 al2230_channel_table0[CB_MAX_CHANNEL_24G][3] = { |
| {0x03, 0xf7, 0x90}, |
| {0x03, 0xf7, 0x90}, |
| {0x03, 0xe7, 0x90}, |
| {0x03, 0xe7, 0x90}, |
| {0x03, 0xf7, 0xa0}, |
| {0x03, 0xf7, 0xa0}, |
| {0x03, 0xe7, 0xa0}, |
| {0x03, 0xe7, 0xa0}, |
| {0x03, 0xf7, 0xb0}, |
| {0x03, 0xf7, 0xb0}, |
| {0x03, 0xe7, 0xb0}, |
| {0x03, 0xe7, 0xb0}, |
| {0x03, 0xf7, 0xc0}, |
| {0x03, 0xe7, 0xc0} |
| }; |
| |
| static u8 al2230_channel_table1[CB_MAX_CHANNEL_24G][3] = { |
| {0x03, 0x33, 0x31}, |
| {0x0b, 0x33, 0x31}, |
| {0x03, 0x33, 0x31}, |
| {0x0b, 0x33, 0x31}, |
| {0x03, 0x33, 0x31}, |
| {0x0b, 0x33, 0x31}, |
| {0x03, 0x33, 0x31}, |
| {0x0b, 0x33, 0x31}, |
| {0x03, 0x33, 0x31}, |
| {0x0b, 0x33, 0x31}, |
| {0x03, 0x33, 0x31}, |
| {0x0b, 0x33, 0x31}, |
| {0x03, 0x33, 0x31}, |
| {0x06, 0x66, 0x61} |
| }; |
| |
| static u8 vt3226_init_table[CB_VT3226_INIT_SEQ][3] = { |
| {0x03, 0xff, 0x80}, |
| {0x02, 0x82, 0xa1}, |
| {0x03, 0xc6, 0xa2}, |
| {0x01, 0x97, 0x93}, |
| {0x03, 0x66, 0x64}, |
| {0x00, 0x61, 0xa5}, |
| {0x01, 0x7b, 0xd6}, |
| {0x00, 0x80, 0x17}, |
| {0x03, 0xf8, 0x08}, |
| {0x00, 0x02, 0x39}, |
| {0x02, 0x00, 0x2a} |
| }; |
| |
| static u8 vt3226d0_init_table[CB_VT3226_INIT_SEQ][3] = { |
| {0x03, 0xff, 0x80}, |
| {0x03, 0x02, 0x21}, |
| {0x03, 0xc6, 0xa2}, |
| {0x01, 0x97, 0x93}, |
| {0x03, 0x66, 0x64}, |
| {0x00, 0x71, 0xa5}, |
| {0x01, 0x15, 0xc6}, |
| {0x01, 0x2e, 0x07}, |
| {0x00, 0x58, 0x08}, |
| {0x00, 0x02, 0x79}, |
| {0x02, 0x01, 0xaa} |
| }; |
| |
| static u8 vt3226_channel_table0[CB_MAX_CHANNEL_24G][3] = { |
| {0x01, 0x97, 0x83}, |
| {0x01, 0x97, 0x83}, |
| {0x01, 0x97, 0x93}, |
| {0x01, 0x97, 0x93}, |
| {0x01, 0x97, 0x93}, |
| {0x01, 0x97, 0x93}, |
| {0x01, 0x97, 0xa3}, |
| {0x01, 0x97, 0xa3}, |
| {0x01, 0x97, 0xa3}, |
| {0x01, 0x97, 0xa3}, |
| {0x01, 0x97, 0xb3}, |
| {0x01, 0x97, 0xb3}, |
| {0x01, 0x97, 0xb3}, |
| {0x03, 0x37, 0xc3} |
| }; |
| |
| static u8 vt3226_channel_table1[CB_MAX_CHANNEL_24G][3] = { |
| {0x02, 0x66, 0x64}, |
| {0x03, 0x66, 0x64}, |
| {0x00, 0x66, 0x64}, |
| {0x01, 0x66, 0x64}, |
| {0x02, 0x66, 0x64}, |
| {0x03, 0x66, 0x64}, |
| {0x00, 0x66, 0x64}, |
| {0x01, 0x66, 0x64}, |
| {0x02, 0x66, 0x64}, |
| {0x03, 0x66, 0x64}, |
| {0x00, 0x66, 0x64}, |
| {0x01, 0x66, 0x64}, |
| {0x02, 0x66, 0x64}, |
| {0x00, 0xcc, 0xc4} |
| }; |
| |
| static const u32 vt3226d0_lo_current_table[CB_MAX_CHANNEL_24G] = { |
| 0x0135c600, |
| 0x0135c600, |
| 0x0235c600, |
| 0x0235c600, |
| 0x0235c600, |
| 0x0335c600, |
| 0x0335c600, |
| 0x0335c600, |
| 0x0335c600, |
| 0x0335c600, |
| 0x0335c600, |
| 0x0335c600, |
| 0x0335c600, |
| 0x0135c600 |
| }; |
| |
| enum { |
| VNT_TABLE_INIT = 0, |
| VNT_TABLE_INIT_2 = 0, |
| VNT_TABLE_0 = 1, |
| VNT_TABLE_1 = 2, |
| VNT_TABLE_2 = 1 |
| }; |
| |
| struct vnt_table_info { |
| u8 *addr; |
| int length; |
| }; |
| |
| static const struct vnt_table_info vnt_table_seq[][3] = { |
| { /* RF_AL2230, RF_AL2230S init table, channel table 0 and 1 */ |
| {&al2230_init_table[0][0], CB_AL2230_INIT_SEQ * 3}, |
| {&al2230_channel_table0[0][0], CB_MAX_CHANNEL_24G * 3}, |
| {&al2230_channel_table1[0][0], CB_MAX_CHANNEL_24G * 3} |
| }, { /* RF_VT3226 init table, channel table 0 and 1 */ |
| {&vt3226_init_table[0][0], CB_VT3226_INIT_SEQ * 3}, |
| {&vt3226_channel_table0[0][0], CB_MAX_CHANNEL_24G * 3}, |
| {&vt3226_channel_table1[0][0], CB_MAX_CHANNEL_24G * 3} |
| }, { /* RF_VT3226D0 init table, channel table 0 and 1 */ |
| {&vt3226d0_init_table[0][0], CB_VT3226_INIT_SEQ * 3}, |
| {&vt3226_channel_table0[0][0], CB_MAX_CHANNEL_24G * 3}, |
| {&vt3226_channel_table1[0][0], CB_MAX_CHANNEL_24G * 3} |
| } |
| }; |
| |
| /* |
| * Description: Write to IF/RF, by embedded programming |
| */ |
| int vnt_rf_write_embedded(struct vnt_private *priv, u32 data) |
| { |
| u8 reg_data[4]; |
| |
| data |= (VNT_RF_REG_LEN << 3) | IFREGCTL_REGW; |
| |
| reg_data[0] = (u8)data; |
| reg_data[1] = (u8)(data >> 8); |
| reg_data[2] = (u8)(data >> 16); |
| reg_data[3] = (u8)(data >> 24); |
| |
| return vnt_control_out(priv, MESSAGE_TYPE_WRITE_IFRF, 0, 0, |
| ARRAY_SIZE(reg_data), reg_data); |
| } |
| |
| static u8 vnt_rf_addpower(struct vnt_private *priv) |
| { |
| int base; |
| s32 rssi = -priv->current_rssi; |
| |
| if (!rssi) |
| return 7; |
| |
| if (priv->rf_type == RF_VT3226D0) |
| base = -60; |
| else |
| base = -70; |
| |
| if (rssi < base) |
| return ((rssi - base + 1) / -5) * 2 + 5; |
| |
| return 0; |
| } |
| |
| /* Set Tx power by power level and rate */ |
| static int vnt_rf_set_txpower(struct vnt_private *priv, u8 power, |
| struct ieee80211_channel *ch) |
| { |
| u32 power_setting = 0; |
| int ret = 0; |
| |
| power += vnt_rf_addpower(priv); |
| if (power > VNT_RF_MAX_POWER) |
| power = VNT_RF_MAX_POWER; |
| |
| if (priv->power == power) |
| return 0; |
| |
| priv->power = power; |
| |
| switch (priv->rf_type) { |
| case RF_AL2230: |
| power_setting = 0x0404090 | (power << 12); |
| |
| ret = vnt_rf_write_embedded(priv, power_setting); |
| if (ret) |
| return ret; |
| |
| if (ch->flags & IEEE80211_CHAN_NO_OFDM) |
| ret = vnt_rf_write_embedded(priv, 0x0001b400); |
| else |
| ret = vnt_rf_write_embedded(priv, 0x0005a400); |
| |
| break; |
| case RF_AL2230S: |
| power_setting = 0x0404090 | (power << 12); |
| |
| ret = vnt_rf_write_embedded(priv, power_setting); |
| if (ret) |
| return ret; |
| |
| if (ch->flags & IEEE80211_CHAN_NO_OFDM) { |
| ret = vnt_rf_write_embedded(priv, 0x040c1400); |
| if (ret) |
| return ret; |
| |
| ret = vnt_rf_write_embedded(priv, 0x00299b00); |
| } else { |
| ret = vnt_rf_write_embedded(priv, 0x0005a400); |
| if (ret) |
| return ret; |
| |
| ret = vnt_rf_write_embedded(priv, 0x00099b00); |
| } |
| |
| break; |
| |
| case RF_VT3226: |
| power_setting = ((0x3f - power) << 20) | (0x17 << 8); |
| |
| ret = vnt_rf_write_embedded(priv, power_setting); |
| break; |
| case RF_VT3226D0: |
| if (ch->flags & IEEE80211_CHAN_NO_OFDM) { |
| u16 hw_value = ch->hw_value; |
| |
| power_setting = ((0x3f - power) << 20) | (0xe07 << 8); |
| |
| ret = vnt_rf_write_embedded(priv, power_setting); |
| if (ret) |
| return ret; |
| |
| ret = vnt_rf_write_embedded(priv, 0x03c6a200); |
| if (ret) |
| return ret; |
| |
| dev_dbg(&priv->usb->dev, |
| "%s 11b channel [%d]\n", __func__, hw_value); |
| |
| hw_value--; |
| |
| if (hw_value < ARRAY_SIZE(vt3226d0_lo_current_table)) { |
| ret = vnt_rf_write_embedded(priv, |
| vt3226d0_lo_current_table[hw_value]); |
| if (ret) |
| return ret; |
| } |
| |
| ret = vnt_rf_write_embedded(priv, 0x015C0800); |
| } else { |
| dev_dbg(&priv->usb->dev, |
| "@@@@ %s> 11G mode\n", __func__); |
| |
| power_setting = ((0x3f - power) << 20) | (0x7 << 8); |
| |
| ret = vnt_rf_write_embedded(priv, power_setting); |
| if (ret) |
| return ret; |
| |
| ret = vnt_rf_write_embedded(priv, 0x00C6A200); |
| if (ret) |
| return ret; |
| |
| ret = vnt_rf_write_embedded(priv, 0x016BC600); |
| if (ret) |
| return ret; |
| |
| ret = vnt_rf_write_embedded(priv, 0x00900800); |
| } |
| |
| break; |
| |
| default: |
| break; |
| } |
| return ret; |
| } |
| |
| /* Set Tx power by channel number type */ |
| int vnt_rf_setpower(struct vnt_private *priv, |
| struct ieee80211_channel *ch) |
| { |
| u16 channel; |
| u8 power = priv->cck_pwr; |
| |
| if (!ch) |
| return -EINVAL; |
| |
| /* set channel number to array number */ |
| channel = ch->hw_value - 1; |
| |
| if (ch->flags & IEEE80211_CHAN_NO_OFDM) { |
| if (channel < ARRAY_SIZE(priv->cck_pwr_tbl)) |
| power = priv->cck_pwr_tbl[channel]; |
| } else if (ch->band == NL80211_BAND_5GHZ) { |
| /* remove 14 channels to array size */ |
| channel -= 14; |
| |
| if (channel < ARRAY_SIZE(priv->ofdm_a_pwr_tbl)) |
| power = priv->ofdm_a_pwr_tbl[channel]; |
| } else { |
| if (channel < ARRAY_SIZE(priv->ofdm_pwr_tbl)) |
| power = priv->ofdm_pwr_tbl[channel]; |
| } |
| |
| return vnt_rf_set_txpower(priv, power, ch); |
| } |
| |
| /* Convert rssi to dbm */ |
| void vnt_rf_rssi_to_dbm(struct vnt_private *priv, u8 rssi, long *dbm) |
| { |
| u8 idx = ((rssi & 0xc0) >> 6) & 0x03; |
| long b = rssi & 0x3f; |
| long a = 0; |
| u8 airoharf[4] = {0, 18, 0, 40}; |
| |
| switch (priv->rf_type) { |
| case RF_AL2230: |
| case RF_AL2230S: |
| case RF_VT3226: |
| case RF_VT3226D0: |
| a = airoharf[idx]; |
| break; |
| default: |
| break; |
| } |
| |
| *dbm = -1 * (a + b * 2); |
| } |
| |
| int vnt_rf_table_download(struct vnt_private *priv) |
| { |
| int ret; |
| int idx = -1; |
| const struct vnt_table_info *table_seq; |
| |
| switch (priv->rf_type) { |
| case RF_AL2230: |
| case RF_AL2230S: |
| idx = 0; |
| break; |
| case RF_VT3226: |
| idx = 1; |
| break; |
| case RF_VT3226D0: |
| idx = 2; |
| break; |
| } |
| |
| if (idx < 0) |
| return 0; |
| |
| table_seq = &vnt_table_seq[idx][0]; |
| |
| /* Init Table */ |
| ret = vnt_control_out(priv, MESSAGE_TYPE_WRITE, 0, |
| MESSAGE_REQUEST_RF_INIT, |
| table_seq[VNT_TABLE_INIT].length, |
| table_seq[VNT_TABLE_INIT].addr); |
| if (ret) |
| return ret; |
| |
| /* Channel Table 0 */ |
| ret = vnt_control_out_blocks(priv, VNT_REG_BLOCK_SIZE, |
| MESSAGE_REQUEST_RF_CH0, |
| table_seq[VNT_TABLE_0].length, |
| table_seq[VNT_TABLE_0].addr); |
| if (ret) |
| return ret; |
| |
| /* Channel Table 1 */ |
| ret = vnt_control_out_blocks(priv, VNT_REG_BLOCK_SIZE, |
| MESSAGE_REQUEST_RF_CH1, |
| table_seq[VNT_TABLE_1].length, |
| table_seq[VNT_TABLE_1].addr); |
| |
| return ret; |
| } |
