+++ /dev/null
-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
-@@ -2716,6 +2716,211 @@ 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
-
-@@ -3573,6 +3778,9 @@ 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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