diff options
Diffstat (limited to 'gpxe/src/drivers/net/rtl818x/rtl8180_sa2400.c')
| -rw-r--r-- | gpxe/src/drivers/net/rtl818x/rtl8180_sa2400.c | 217 |
1 files changed, 0 insertions, 217 deletions
diff --git a/gpxe/src/drivers/net/rtl818x/rtl8180_sa2400.c b/gpxe/src/drivers/net/rtl818x/rtl8180_sa2400.c deleted file mode 100644 index bcfd397a..00000000 --- a/gpxe/src/drivers/net/rtl818x/rtl8180_sa2400.c +++ /dev/null @@ -1,217 +0,0 @@ -/* - * Radio tuning for Philips SA2400 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 SA2400_ANTENNA 0x91 -#define SA2400_DIG_ANAPARAM_PWR1_ON 0x8 -#define SA2400_ANA_ANAPARAM_PWR1_ON 0x28 -#define SA2400_ANAPARAM_PWR0_ON 0x3 - -/* RX sensitivity in dbm */ -#define SA2400_MAX_SENS 85 - -#define SA2400_REG4_FIRDAC_SHIFT 7 - -static const u32 sa2400_chan[] = { - 0x00096c, /* ch1 */ - 0x080970, - 0x100974, - 0x180978, - 0x000980, - 0x080984, - 0x100988, - 0x18098c, - 0x000994, - 0x080998, - 0x10099c, - 0x1809a0, - 0x0009a8, - 0x0009b4, /* ch 14 */ -}; - -static void write_sa2400(struct net80211_device *dev, u8 addr, u32 data) -{ - struct rtl818x_priv *priv = dev->priv; - u32 phy_config; - - /* MAC will bang bits to the sa2400. sw 3-wire is NOT used */ - phy_config = 0xb0000000; - - phy_config |= ((u32)(addr & 0xf)) << 24; - phy_config |= data & 0xffffff; - - /* 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 sa2400_write_phy_antenna(struct net80211_device *dev, short chan) -{ - struct rtl818x_priv *priv = dev->priv; - u8 ant = SA2400_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 sa2400_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 = sa2400_chan[channel - 1]; - - write_sa2400(dev, 7, txpw); - - sa2400_write_phy_antenna(dev, channel); - - write_sa2400(dev, 0, chan); - write_sa2400(dev, 1, 0xbb50); - write_sa2400(dev, 2, 0x80); - write_sa2400(dev, 3, 0); -} - -static void sa2400_rf_stop(struct net80211_device *dev) -{ - write_sa2400(dev, 4, 0); -} - -static void sa2400_rf_init(struct net80211_device *dev) -{ - struct rtl818x_priv *priv = dev->priv; - u32 anaparam, txconf; - u8 firdac; - int analogphy = priv->rfparam & RF_PARAM_ANALOGPHY; - - anaparam = priv->anaparam; - anaparam &= ~(1 << ANAPARAM_TXDACOFF_SHIFT); - anaparam &= ~ANAPARAM_PWR1_MASK; - anaparam &= ~ANAPARAM_PWR0_MASK; - - if (analogphy) { - anaparam |= SA2400_ANA_ANAPARAM_PWR1_ON << ANAPARAM_PWR1_SHIFT; - firdac = 0; - } else { - anaparam |= (SA2400_DIG_ANAPARAM_PWR1_ON << ANAPARAM_PWR1_SHIFT); - anaparam |= (SA2400_ANAPARAM_PWR0_ON << ANAPARAM_PWR0_SHIFT); - firdac = 1 << SA2400_REG4_FIRDAC_SHIFT; - } - - rtl818x_set_anaparam(priv, anaparam); - - write_sa2400(dev, 0, sa2400_chan[0]); - write_sa2400(dev, 1, 0xbb50); - write_sa2400(dev, 2, 0x80); - write_sa2400(dev, 3, 0); - write_sa2400(dev, 4, 0x19340 | firdac); - write_sa2400(dev, 5, 0x1dfb | (SA2400_MAX_SENS - 54) << 15); - write_sa2400(dev, 4, 0x19348 | firdac); /* calibrate VCO */ - - if (!analogphy) - write_sa2400(dev, 4, 0x1938c); /*???*/ - - write_sa2400(dev, 4, 0x19340 | firdac); - - write_sa2400(dev, 0, sa2400_chan[0]); - write_sa2400(dev, 1, 0xbb50); - write_sa2400(dev, 2, 0x80); - write_sa2400(dev, 3, 0); - write_sa2400(dev, 4, 0x19344 | firdac); /* calibrate filter */ - - /* new from rtl8180 embedded driver (rtl8181 project) */ - write_sa2400(dev, 6, 0x13ff | (1 << 23)); /* MANRX */ - write_sa2400(dev, 8, 0); /* VCO */ - - if (analogphy) { - rtl818x_set_anaparam(priv, anaparam | - (1 << ANAPARAM_TXDACOFF_SHIFT)); - - txconf = rtl818x_ioread32(priv, &priv->map->TX_CONF); - rtl818x_iowrite32(priv, &priv->map->TX_CONF, - txconf | RTL818X_TX_CONF_LOOPBACK_CONT); - - write_sa2400(dev, 4, 0x19341); /* calibrates DC */ - - /* a 5us delay is required here, - * we rely on the 3ms delay introduced in write_sa2400 */ - - write_sa2400(dev, 4, 0x19345); - - /* a 20us delay is required here, - * we rely on the 3ms delay introduced in write_sa2400 */ - - rtl818x_iowrite32(priv, &priv->map->TX_CONF, txconf); - - rtl818x_set_anaparam(priv, anaparam); - } - /* end new code */ - - write_sa2400(dev, 4, 0x19341 | firdac); /* RTX MODE */ - - /* baseband configuration */ - rtl818x_write_phy(dev, 0, 0x98); - rtl818x_write_phy(dev, 3, 0x38); - rtl818x_write_phy(dev, 4, 0xe0); - rtl818x_write_phy(dev, 5, 0x90); - rtl818x_write_phy(dev, 6, 0x1a); - rtl818x_write_phy(dev, 7, 0x64); - - sa2400_write_phy_antenna(dev, 1); - - rtl818x_write_phy(dev, 0x11, 0x80); - - if (rtl818x_ioread8(priv, &priv->map->CONFIG2) & - RTL818X_CONFIG2_ANTENNA_DIV) - rtl818x_write_phy(dev, 0x12, 0xc7); /* enable ant diversity */ - else - rtl818x_write_phy(dev, 0x12, 0x47); /* disable ant diversity */ - - rtl818x_write_phy(dev, 0x13, 0x90 | priv->csthreshold); - - rtl818x_write_phy(dev, 0x19, 0x0); - rtl818x_write_phy(dev, 0x1a, 0xa0); -} - -struct rtl818x_rf_ops sa2400_rf_ops __rtl818x_rf_driver = { - .name = "Philips SA2400", - .id = 3, - .init = sa2400_rf_init, - .stop = sa2400_rf_stop, - .set_chan = sa2400_rf_set_channel -}; |