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openwrt-mirror/package/kernel/mac80211/patches/rt2x00/505-rt2x00-rt2800lib-add-channel-configuration-function-.patch
Daniel Golle d4c999bb89 mac80211: rt2x00: backport accepted and pending patches from upstream 
backport from wireless-drivers-next, replacing some existing patches in
our tree (marked with '=' are those which were already present):
 f483039cf51a rt2x00: use simple_read_from_buffer()
=5c656c71b1bf rt2800: move usb specific txdone/txstatus routines to rt2800lib
=0b0d556e0ebb rt2800mmio: use txdone/txstatus routines from lib
=5022efb50f62 rt2x00: do not check for txstatus timeout every time on tasklet
=adf26a356f13 rt2x00: use different txstatus timeouts when flushing
=0240564430c0 rt2800: flush and txstatus rework for rt2800mmio
 6eba8fd22352 rt2x00: rt2400pci: mark expected switch fall-through
 10bb92217747 rt2x00: rt2500pci: mark expected switch fall-through
 916e6bbcfcff rt2x00: rt2800lib: mark expected switch fall-throughs
 641dd8068ecb rt2x00: rt61pci: mark expected switch fall-through
 750afb08ca71 cross-tree: phase out dma_zalloc_coherent()
=c2e28ef7711f rt2x00: reduce tx power to nominal level on RT6352
 a4296994eb80 rt2x00: Work around a firmware bug with shared keys
 2587791d5758 rt2x00: no need to check return value of debugfs_create functions

pending on linux-wireless:
 rt2x00: remove unneeded check
 rt2x00: remove confusing AGC register
 rt2800: enable TX_PIN_CFG_LNA_PE_ bits per band
 rt2800: enable TX_PIN_CFG_RFRX_EN only for MT7620
 rt2800: comment and simplify AGC init for RT6352
 rt2x00: do not print error when queue is full
 rt2800: partially restore old mmio txstatus behaviour
 rt2800: new flush implementation for SoC devices
 rt2800: move txstatus pending routine
 rt2800mmio: fetch tx status changes
 rt2800mmio: use timer and work for handling tx statuses timeouts
 rt2x00: remove last_nostatus_check
 rt2x00: remove not used entry field
 rt2x00mmio: remove legacy comment

While at it also rename some existing patches now that there are
separate folders with patches for each driver to make things a bit
nicer to handle.

Signed-off-by: Daniel Golle <daniel@makrotopia.org>
2019-02-19 09:05:34 +01:00

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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
@@ -2880,6 +2880,211 @@ 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);
+
+ rfcsr = rt2800_rfcsr_read(rt2x00dev, 1);
+ 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);
+
+ rfcsr = rt2800_rfcsr_read(rt2x00dev, 30);
+ 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 */
+ rfcsr = rt2800_rfcsr_read(rt2x00dev, 36);
+ 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);
+
+ rfcsr = rt2800_rfcsr_read(rt2x00dev, 51);
+ if (rf->channel <= 14)
+ rt2800_rfcsr_write(rt2x00dev, 51, 0x75);
+ else
+ rt2800_rfcsr_write(rt2x00dev, 51, 0x51);
+
+ rfcsr = rt2800_rfcsr_read(rt2x00dev, 52);
+ 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);
+
+ bbp = rt2800_bbp_read(rt2x00dev, 110);
+ bbp &= 0x0f;
+ bbp |= (info->default_power3 & 0xe0) >> 1;
+ rt2800_bbp_write(rt2x00dev, 110, bbp);
+
+ rfcsr = rt2800_rfcsr_read(rt2x00dev, 57);
+ if (rf->channel <= 14)
+ rt2800_rfcsr_write(rt2x00dev, 57, 0x6e);
+ else
+ rt2800_rfcsr_write(rt2x00dev, 57, 0x3e);
+
+ /* Enable RF tuning */
+ rfcsr = rt2800_rfcsr_read(rt2x00dev, 3);
+ rt2x00_set_field8(&rfcsr, RFCSR3_VCOCAL_EN, 1);
+ rt2800_rfcsr_write(rt2x00dev, 3, rfcsr);
+
+ udelay(2000);
+
+ bbp = rt2800_bbp_read(rt2x00dev, 49);
+ /* 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
@@ -3734,6 +3939,9 @@ 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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