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openwrtv4/package/kernel/mac80211/patches/600-05-rt2x00-rt2800lib-add-channel-configuration-function-.patch
Daniel Golle 399d5cf532 mac80211: rt2x00: import upstream changes and rebase our patches 
Some of our local patches have been accepted upstream. And there are
some more relevant changes (mostly for rt2800usb). Import them and
rebase our remaining local patches on top.

Signed-off-by: Daniel Golle <daniel@makrotopia.org>
2017-03-30 18:31:02 +02:00

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From 6e3a17190815c6aa4dc53c2cfe9125fb1154f187 Mon Sep 17 00:00:00 2001
From: Gabor Juhos <juhosg@openwrt.org>
Date: Sun, 24 Mar 2013 19:26:27 +0100
Subject: [PATCH] rt2x00: rt2800lib: add channel configuration function for
RF3853
Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
---
drivers/net/wireless/ralink/rt2x00/rt2800lib.c | 208 +++++++++++++++++++++++++++++++
1 file changed, 208 insertions(+)
--- a/drivers/net/wireless/ralink/rt2x00/rt2800lib.c
+++ b/drivers/net/wireless/ralink/rt2x00/rt2800lib.c
@@ -2709,6 +2709,211 @@ static void rt2800_config_channel_rf3053
}
}
+static void rt2800_config_channel_rf3853(struct rt2x00_dev *rt2x00dev,
+ struct ieee80211_conf *conf,
+ struct rf_channel *rf,
+ struct channel_info *info)
+{
+ u8 rfcsr;
+ u8 bbp;
+ u8 pwr1, pwr2, pwr3;
+
+ const bool txbf_enabled = false; /* TODO */
+
+ /* TODO: add band selection */
+
+ if (rf->channel <= 14)
+ rt2800_rfcsr_write(rt2x00dev, 6, 0x40);
+ else if (rf->channel < 132)
+ rt2800_rfcsr_write(rt2x00dev, 6, 0x80);
+ else
+ rt2800_rfcsr_write(rt2x00dev, 6, 0x40);
+
+ rt2800_rfcsr_write(rt2x00dev, 8, rf->rf1);
+ rt2800_rfcsr_write(rt2x00dev, 9, rf->rf3);
+
+ if (rf->channel <= 14)
+ rt2800_rfcsr_write(rt2x00dev, 11, 0x46);
+ else
+ rt2800_rfcsr_write(rt2x00dev, 11, 0x48);
+
+ if (rf->channel <= 14)
+ rt2800_rfcsr_write(rt2x00dev, 12, 0x1a);
+ else
+ rt2800_rfcsr_write(rt2x00dev, 12, 0x52);
+
+ rt2800_rfcsr_write(rt2x00dev, 13, 0x12);
+
+ rt2800_rfcsr_read(rt2x00dev, 1, &rfcsr);
+ rt2x00_set_field8(&rfcsr, RFCSR1_RX0_PD, 0);
+ rt2x00_set_field8(&rfcsr, RFCSR1_TX0_PD, 0);
+ rt2x00_set_field8(&rfcsr, RFCSR1_RX1_PD, 0);
+ rt2x00_set_field8(&rfcsr, RFCSR1_TX1_PD, 0);
+ rt2x00_set_field8(&rfcsr, RFCSR1_RX2_PD, 0);
+ rt2x00_set_field8(&rfcsr, RFCSR1_TX2_PD, 0);
+ rt2x00_set_field8(&rfcsr, RFCSR1_RF_BLOCK_EN, 1);
+ rt2x00_set_field8(&rfcsr, RFCSR1_PLL_PD, 1);
+
+ switch (rt2x00dev->default_ant.tx_chain_num) {
+ case 3:
+ rt2x00_set_field8(&rfcsr, RFCSR1_TX2_PD, 1);
+ /* fallthrough */
+ case 2:
+ rt2x00_set_field8(&rfcsr, RFCSR1_TX1_PD, 1);
+ /* fallthrough */
+ case 1:
+ rt2x00_set_field8(&rfcsr, RFCSR1_TX0_PD, 1);
+ break;
+ }
+
+ switch (rt2x00dev->default_ant.rx_chain_num) {
+ case 3:
+ rt2x00_set_field8(&rfcsr, RFCSR1_RX2_PD, 1);
+ /* fallthrough */
+ case 2:
+ rt2x00_set_field8(&rfcsr, RFCSR1_RX1_PD, 1);
+ /* fallthrough */
+ case 1:
+ rt2x00_set_field8(&rfcsr, RFCSR1_RX0_PD, 1);
+ break;
+ }
+ rt2800_rfcsr_write(rt2x00dev, 1, rfcsr);
+
+ rt2800_freq_cal_mode1(rt2x00dev);
+
+ rt2800_rfcsr_read(rt2x00dev, 30, &rfcsr);
+ if (!conf_is_ht40(conf))
+ rfcsr &= ~(0x06);
+ else
+ rfcsr |= 0x06;
+ rt2800_rfcsr_write(rt2x00dev, 30, rfcsr);
+
+ if (rf->channel <= 14)
+ rt2800_rfcsr_write(rt2x00dev, 31, 0xa0);
+ else
+ rt2800_rfcsr_write(rt2x00dev, 31, 0x80);
+
+ if (conf_is_ht40(conf))
+ rt2800_rfcsr_write(rt2x00dev, 32, 0x80);
+ else
+ rt2800_rfcsr_write(rt2x00dev, 32, 0xd8);
+
+ if (rf->channel <= 14)
+ rt2800_rfcsr_write(rt2x00dev, 34, 0x3c);
+ else
+ rt2800_rfcsr_write(rt2x00dev, 34, 0x20);
+
+ /* loopback RF_BS */
+ rt2800_rfcsr_read(rt2x00dev, 36, &rfcsr);
+ if (rf->channel <= 14)
+ rt2x00_set_field8(&rfcsr, RFCSR36_RF_BS, 1);
+ else
+ rt2x00_set_field8(&rfcsr, RFCSR36_RF_BS, 0);
+ rt2800_rfcsr_write(rt2x00dev, 36, rfcsr);
+
+ if (rf->channel <= 14)
+ rfcsr = 0x23;
+ else if (rf->channel < 100)
+ rfcsr = 0x36;
+ else if (rf->channel < 132)
+ rfcsr = 0x32;
+ else
+ rfcsr = 0x30;
+
+ if (txbf_enabled)
+ rfcsr |= 0x40;
+
+ rt2800_rfcsr_write(rt2x00dev, 39, rfcsr);
+
+ if (rf->channel <= 14)
+ rt2800_rfcsr_write(rt2x00dev, 44, 0x93);
+ else
+ rt2800_rfcsr_write(rt2x00dev, 44, 0x9b);
+
+ if (rf->channel <= 14)
+ rfcsr = 0xbb;
+ else if (rf->channel < 100)
+ rfcsr = 0xeb;
+ else if (rf->channel < 132)
+ rfcsr = 0xb3;
+ else
+ rfcsr = 0x9b;
+ rt2800_rfcsr_write(rt2x00dev, 45, rfcsr);
+
+ if (rf->channel <= 14)
+ rfcsr = 0x8e;
+ else
+ rfcsr = 0x8a;
+
+ if (txbf_enabled)
+ rfcsr |= 0x20;
+
+ rt2800_rfcsr_write(rt2x00dev, 49, rfcsr);
+
+ rt2800_rfcsr_write(rt2x00dev, 50, 0x86);
+
+ rt2800_rfcsr_read(rt2x00dev, 51, &rfcsr);
+ if (rf->channel <= 14)
+ rt2800_rfcsr_write(rt2x00dev, 51, 0x75);
+ else
+ rt2800_rfcsr_write(rt2x00dev, 51, 0x51);
+
+ rt2800_rfcsr_read(rt2x00dev, 52, &rfcsr);
+ if (rf->channel <= 14)
+ rt2800_rfcsr_write(rt2x00dev, 52, 0x45);
+ else
+ rt2800_rfcsr_write(rt2x00dev, 52, 0x05);
+
+ if (rf->channel <= 14) {
+ pwr1 = info->default_power1 & 0x1f;
+ pwr2 = info->default_power2 & 0x1f;
+ pwr3 = info->default_power3 & 0x1f;
+ } else {
+ pwr1 = 0x48 | ((info->default_power1 & 0x18) << 1) |
+ (info->default_power1 & 0x7);
+ pwr2 = 0x48 | ((info->default_power2 & 0x18) << 1) |
+ (info->default_power2 & 0x7);
+ pwr3 = 0x48 | ((info->default_power3 & 0x18) << 1) |
+ (info->default_power3 & 0x7);
+ }
+
+ rt2800_rfcsr_write(rt2x00dev, 53, pwr1);
+ rt2800_rfcsr_write(rt2x00dev, 54, pwr2);
+ rt2800_rfcsr_write(rt2x00dev, 55, pwr3);
+
+ rt2x00_dbg(rt2x00dev, "Channel:%d, pwr1:%02x, pwr2:%02x, pwr3:%02x\n",
+ rf->channel, pwr1, pwr2, pwr3);
+
+ bbp = (info->default_power1 >> 5) |
+ ((info->default_power2 & 0xe0) >> 1);
+ rt2800_bbp_write(rt2x00dev, 109, bbp);
+
+ rt2800_bbp_read(rt2x00dev, 110, &bbp);
+ bbp &= 0x0f;
+ bbp |= (info->default_power3 & 0xe0) >> 1;
+ rt2800_bbp_write(rt2x00dev, 110, bbp);
+
+ rt2800_rfcsr_read(rt2x00dev, 57, &rfcsr);
+ if (rf->channel <= 14)
+ rt2800_rfcsr_write(rt2x00dev, 57, 0x6e);
+ else
+ rt2800_rfcsr_write(rt2x00dev, 57, 0x3e);
+
+ /* Enable RF tuning */
+ rt2800_rfcsr_read(rt2x00dev, 3, &rfcsr);
+ rt2x00_set_field8(&rfcsr, RFCSR3_VCOCAL_EN, 1);
+ rt2800_rfcsr_write(rt2x00dev, 3, rfcsr);
+
+ udelay(2000);
+
+ rt2800_bbp_read(rt2x00dev, 49, &bbp);
+ /* clear update flag */
+ rt2800_bbp_write(rt2x00dev, 49, bbp & 0xfe);
+ rt2800_bbp_write(rt2x00dev, 49, bbp);
+
+ /* TODO: add calibration for TxBF */
+}
+
#define POWER_BOUND 0x27
#define POWER_BOUND_5G 0x2b
@@ -3565,6 +3770,9 @@ static void rt2800_config_channel(struct
case RF3322:
rt2800_config_channel_rf3322(rt2x00dev, conf, rf, info);
break;
+ case RF3853:
+ rt2800_config_channel_rf3853(rt2x00dev, conf, rf, info);
+ break;
case RF3070:
case RF5350:
case RF5360:
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