diff options
Diffstat (limited to 'gpxe/src/drivers/net/rtl818x/rtl8180_grf5101.c')
| -rw-r--r-- | gpxe/src/drivers/net/rtl818x/rtl8180_grf5101.c | 186 |
1 files changed, 0 insertions, 186 deletions
diff --git a/gpxe/src/drivers/net/rtl818x/rtl8180_grf5101.c b/gpxe/src/drivers/net/rtl818x/rtl8180_grf5101.c deleted file mode 100644 index 036a4f8a..00000000 --- a/gpxe/src/drivers/net/rtl818x/rtl8180_grf5101.c +++ /dev/null @@ -1,186 +0,0 @@ -/* - * Radio tuning for GCT GRF5101 on RTL8180 - * - * Copyright 2007 Andrea Merello <andreamrl@tiscali.it> - * - * Modified slightly for gPXE, June 2009 by Joshua Oreman. - * - * Code from the BSD driver and the rtl8181 project have been - * very useful to understand certain things - * - * I want to thanks the Authors of such projects and the Ndiswrapper - * project Authors. - * - * A special Big Thanks also is for all people who donated me cards, - * making possible the creation of the original rtl8180 driver - * from which this code is derived! - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ - -#include <unistd.h> -#include <gpxe/pci.h> -#include <gpxe/net80211.h> - -#include "rtl818x.h" - -FILE_LICENCE(GPL2_ONLY); - -#define GRF5101_ANTENNA 0xA3 - -static const int grf5101_encode[] = { - 0x0, 0x8, 0x4, 0xC, - 0x2, 0xA, 0x6, 0xE, - 0x1, 0x9, 0x5, 0xD, - 0x3, 0xB, 0x7, 0xF -}; - -static void write_grf5101(struct net80211_device *dev, u8 addr, u32 data) -{ - struct rtl818x_priv *priv = dev->priv; - u32 phy_config; - - phy_config = grf5101_encode[(data >> 8) & 0xF]; - phy_config |= grf5101_encode[(data >> 4) & 0xF] << 4; - phy_config |= grf5101_encode[data & 0xF] << 8; - phy_config |= grf5101_encode[(addr >> 1) & 0xF] << 12; - phy_config |= (addr & 1) << 16; - phy_config |= grf5101_encode[(data & 0xf000) >> 12] << 24; - - /* MAC will bang bits to the chip */ - phy_config |= 0x90000000; - - /* This was originally a 32-bit write to a typecast - RFPinsOutput, but gcc complained about aliasing rules. -JBO */ - rtl818x_iowrite16(priv, &priv->map->RFPinsOutput, phy_config & 0xffff); - rtl818x_iowrite16(priv, &priv->map->RFPinsEnable, phy_config >> 16); - - mdelay(3); -} - -static void grf5101_write_phy_antenna(struct net80211_device *dev, short chan) -{ - struct rtl818x_priv *priv = dev->priv; - u8 ant = GRF5101_ANTENNA; - - if (priv->rfparam & RF_PARAM_ANTBDEFAULT) - ant |= BB_ANTENNA_B; - - if (chan == 14) - ant |= BB_ANTATTEN_CHAN14; - - rtl818x_write_phy(dev, 0x10, ant); -} - -static void grf5101_rf_set_channel(struct net80211_device *dev, - struct net80211_channel *channelp) -{ - struct rtl818x_priv *priv = dev->priv; - int channel = channelp->channel_nr; - u32 txpw = priv->txpower[channel - 1] & 0xFF; - u32 chan = channel - 1; - - /* set TX power */ - write_grf5101(dev, 0x15, 0x0); - write_grf5101(dev, 0x06, txpw); - write_grf5101(dev, 0x15, 0x10); - write_grf5101(dev, 0x15, 0x0); - - /* set frequency */ - write_grf5101(dev, 0x07, 0x0); - write_grf5101(dev, 0x0B, chan); - write_grf5101(dev, 0x07, 0x1000); - - grf5101_write_phy_antenna(dev, channel); -} - -static void grf5101_rf_stop(struct net80211_device *dev) -{ - struct rtl818x_priv *priv = dev->priv; - u32 anaparam; - - anaparam = priv->anaparam; - anaparam &= 0x000fffff; - anaparam |= 0x3f900000; - rtl818x_set_anaparam(priv, anaparam); - - write_grf5101(dev, 0x07, 0x0); - write_grf5101(dev, 0x1f, 0x45); - write_grf5101(dev, 0x1f, 0x5); - write_grf5101(dev, 0x00, 0x8e4); -} - -static void grf5101_rf_init(struct net80211_device *dev) -{ - struct rtl818x_priv *priv = dev->priv; - - rtl818x_set_anaparam(priv, priv->anaparam); - - write_grf5101(dev, 0x1f, 0x0); - write_grf5101(dev, 0x1f, 0x0); - write_grf5101(dev, 0x1f, 0x40); - write_grf5101(dev, 0x1f, 0x60); - write_grf5101(dev, 0x1f, 0x61); - write_grf5101(dev, 0x1f, 0x61); - write_grf5101(dev, 0x00, 0xae4); - write_grf5101(dev, 0x1f, 0x1); - write_grf5101(dev, 0x1f, 0x41); - write_grf5101(dev, 0x1f, 0x61); - - write_grf5101(dev, 0x01, 0x1a23); - write_grf5101(dev, 0x02, 0x4971); - write_grf5101(dev, 0x03, 0x41de); - write_grf5101(dev, 0x04, 0x2d80); - write_grf5101(dev, 0x05, 0x68ff); /* 0x61ff original value */ - write_grf5101(dev, 0x06, 0x0); - write_grf5101(dev, 0x07, 0x0); - write_grf5101(dev, 0x08, 0x7533); - write_grf5101(dev, 0x09, 0xc401); - write_grf5101(dev, 0x0a, 0x0); - write_grf5101(dev, 0x0c, 0x1c7); - write_grf5101(dev, 0x0d, 0x29d3); - write_grf5101(dev, 0x0e, 0x2e8); - write_grf5101(dev, 0x10, 0x192); - write_grf5101(dev, 0x11, 0x248); - write_grf5101(dev, 0x12, 0x0); - write_grf5101(dev, 0x13, 0x20c4); - write_grf5101(dev, 0x14, 0xf4fc); - write_grf5101(dev, 0x15, 0x0); - write_grf5101(dev, 0x16, 0x1500); - - write_grf5101(dev, 0x07, 0x1000); - - /* baseband configuration */ - rtl818x_write_phy(dev, 0, 0xa8); - rtl818x_write_phy(dev, 3, 0x0); - rtl818x_write_phy(dev, 4, 0xc0); - rtl818x_write_phy(dev, 5, 0x90); - rtl818x_write_phy(dev, 6, 0x1e); - rtl818x_write_phy(dev, 7, 0x64); - - grf5101_write_phy_antenna(dev, 1); - - rtl818x_write_phy(dev, 0x11, 0x88); - - if (rtl818x_ioread8(priv, &priv->map->CONFIG2) & - RTL818X_CONFIG2_ANTENNA_DIV) - rtl818x_write_phy(dev, 0x12, 0xc0); /* enable ant diversity */ - else - rtl818x_write_phy(dev, 0x12, 0x40); /* disable ant diversity */ - - rtl818x_write_phy(dev, 0x13, 0x90 | priv->csthreshold); - - rtl818x_write_phy(dev, 0x19, 0x0); - rtl818x_write_phy(dev, 0x1a, 0xa0); - rtl818x_write_phy(dev, 0x1b, 0x44); -} - -struct rtl818x_rf_ops grf5101_rf_ops __rtl818x_rf_driver = { - .name = "GCT GRF5101", - .id = 5, - .init = grf5101_rf_init, - .stop = grf5101_rf_stop, - .set_chan = grf5101_rf_set_channel -}; |