rtl8180_sa2400.c File Reference

#include <unistd.h>
#include <gpxe/pci.h>
#include <gpxe/net80211.h>
#include "rtl818x.h"

Go to the source code of this file.

Defines

#define SA2400_ANTENNA   0x91
#define SA2400_DIG_ANAPARAM_PWR1_ON   0x8
#define SA2400_ANA_ANAPARAM_PWR1_ON   0x28
#define SA2400_ANAPARAM_PWR0_ON   0x3
#define SA2400_MAX_SENS   85
#define SA2400_REG4_FIRDAC_SHIFT   7

Functions

 FILE_LICENCE (GPL2_ONLY)
static void write_sa2400 (struct net80211_device *dev, u8 addr, u32 data)
static void sa2400_write_phy_antenna (struct net80211_device *dev, short chan)
static void sa2400_rf_set_channel (struct net80211_device *dev, struct net80211_channel *channelp)
static void sa2400_rf_stop (struct net80211_device *dev)
static void sa2400_rf_init (struct net80211_device *dev)

Variables

static const u32 sa2400_chan []
struct rtl818x_rf_ops sa2400_rf_ops __rtl818x_rf_driver

Define Documentation

#define SA2400_ANTENNA   0x91

Definition at line 31 of file rtl8180_sa2400.c.

Referenced by sa2400_write_phy_antenna().

#define SA2400_DIG_ANAPARAM_PWR1_ON   0x8

Definition at line 32 of file rtl8180_sa2400.c.

Referenced by sa2400_rf_init().

#define SA2400_ANA_ANAPARAM_PWR1_ON   0x28

Definition at line 33 of file rtl8180_sa2400.c.

Referenced by sa2400_rf_init().

#define SA2400_ANAPARAM_PWR0_ON   0x3

Definition at line 34 of file rtl8180_sa2400.c.

Referenced by sa2400_rf_init().

#define SA2400_MAX_SENS   85

Definition at line 37 of file rtl8180_sa2400.c.

Referenced by sa2400_rf_init().

#define SA2400_REG4_FIRDAC_SHIFT   7

Definition at line 39 of file rtl8180_sa2400.c.

Referenced by sa2400_rf_init().

Function Documentation

FILE_LICENCE ( GPL2_ONLY   ) 

static void write_sa2400 ( struct net80211_device *  dev,
u8  addr,
u32  data 
) [static]

Definition at line 58 of file rtl8180_sa2400.c.

References rtl818x_priv::map, mdelay(), net80211_device::priv, priv, rtl818x_csr::RFPinsEnable, rtl818x_csr::RFPinsOutput, rtl818x_iowrite16(), and u32.

Referenced by sa2400_rf_init(), sa2400_rf_set_channel(), and sa2400_rf_stop().

00059 {
00060         struct rtl818x_priv *priv = dev->priv;
00061         u32 phy_config;
00062 
00063         /* MAC will bang bits to the sa2400. sw 3-wire is NOT used */
00064         phy_config = 0xb0000000;
00065 
00066         phy_config |= ((u32)(addr & 0xf)) << 24;
00067         phy_config |= data & 0xffffff;
00068 
00069         /* This was originally a 32-bit write to a typecast
00070            RFPinsOutput, but gcc complained about aliasing rules. -JBO */
00071         rtl818x_iowrite16(priv, &priv->map->RFPinsOutput, phy_config & 0xffff);
00072         rtl818x_iowrite16(priv, &priv->map->RFPinsEnable, phy_config >> 16);
00073 
00074         mdelay(3);
00075 }

static void sa2400_write_phy_antenna ( struct net80211_device *  dev,
short  chan 
) [static]

Definition at line 77 of file rtl8180_sa2400.c.

References BB_ANTATTEN_CHAN14, BB_ANTENNA_B, net80211_device::priv, priv, RF_PARAM_ANTBDEFAULT, rtl818x_priv::rfparam, rtl818x_write_phy(), SA2400_ANTENNA, and u8.

Referenced by sa2400_rf_init(), and sa2400_rf_set_channel().

00078 {
00079         struct rtl818x_priv *priv = dev->priv;
00080         u8 ant = SA2400_ANTENNA;
00081 
00082         if (priv->rfparam & RF_PARAM_ANTBDEFAULT)
00083                 ant |= BB_ANTENNA_B;
00084 
00085         if (chan == 14)
00086                 ant |= BB_ANTATTEN_CHAN14;
00087 
00088         rtl818x_write_phy(dev, 0x10, ant);
00089 
00090 }

static void sa2400_rf_set_channel ( struct net80211_device *  dev,
struct net80211_channel *  channelp 
) [static]

Definition at line 92 of file rtl8180_sa2400.c.

References net80211_channel::channel_nr, net80211_device::priv, priv, sa2400_chan, sa2400_write_phy_antenna(), rtl818x_priv::txpower, u32, and write_sa2400().

00094 {
00095         struct rtl818x_priv *priv = dev->priv;
00096         int channel = channelp->channel_nr;
00097         u32 txpw = priv->txpower[channel - 1] & 0xFF;
00098         u32 chan = sa2400_chan[channel - 1];
00099 
00100         write_sa2400(dev, 7, txpw);
00101 
00102         sa2400_write_phy_antenna(dev, channel);
00103 
00104         write_sa2400(dev, 0, chan);
00105         write_sa2400(dev, 1, 0xbb50);
00106         write_sa2400(dev, 2, 0x80);
00107         write_sa2400(dev, 3, 0);
00108 }

static void sa2400_rf_stop ( struct net80211_device *  dev  )  [static]

Definition at line 110 of file rtl8180_sa2400.c.

References write_sa2400().

00111 {
00112         write_sa2400(dev, 4, 0);
00113 }

static void sa2400_rf_init ( struct net80211_device *  dev  )  [static]

Definition at line 115 of file rtl8180_sa2400.c.

References rtl818x_priv::anaparam, ANAPARAM_PWR0_MASK, ANAPARAM_PWR0_SHIFT, ANAPARAM_PWR1_MASK, ANAPARAM_PWR1_SHIFT, ANAPARAM_TXDACOFF_SHIFT, rtl818x_csr::CONFIG2, rtl818x_priv::csthreshold, rtl818x_priv::map, net80211_device::priv, priv, RF_PARAM_ANALOGPHY, rtl818x_priv::rfparam, RTL818X_CONFIG2_ANTENNA_DIV, rtl818x_ioread32(), rtl818x_ioread8(), rtl818x_iowrite32(), rtl818x_set_anaparam(), RTL818X_TX_CONF_LOOPBACK_CONT, rtl818x_write_phy(), SA2400_ANA_ANAPARAM_PWR1_ON, SA2400_ANAPARAM_PWR0_ON, sa2400_chan, SA2400_DIG_ANAPARAM_PWR1_ON, SA2400_MAX_SENS, SA2400_REG4_FIRDAC_SHIFT, sa2400_write_phy_antenna(), rtl818x_csr::TX_CONF, u32, u8, and write_sa2400().

00116 {
00117         struct rtl818x_priv *priv = dev->priv;
00118         u32 anaparam, txconf;
00119         u8 firdac;
00120         int analogphy = priv->rfparam & RF_PARAM_ANALOGPHY;
00121 
00122         anaparam = priv->anaparam;
00123         anaparam &= ~(1 << ANAPARAM_TXDACOFF_SHIFT);
00124         anaparam &= ~ANAPARAM_PWR1_MASK;
00125         anaparam &= ~ANAPARAM_PWR0_MASK;
00126 
00127         if (analogphy) {
00128                 anaparam |= SA2400_ANA_ANAPARAM_PWR1_ON << ANAPARAM_PWR1_SHIFT;
00129                 firdac = 0;
00130         } else {
00131                 anaparam |= (SA2400_DIG_ANAPARAM_PWR1_ON << ANAPARAM_PWR1_SHIFT);
00132                 anaparam |= (SA2400_ANAPARAM_PWR0_ON << ANAPARAM_PWR0_SHIFT);
00133                 firdac = 1 << SA2400_REG4_FIRDAC_SHIFT;
00134         }
00135 
00136         rtl818x_set_anaparam(priv, anaparam);
00137 
00138         write_sa2400(dev, 0, sa2400_chan[0]);
00139         write_sa2400(dev, 1, 0xbb50);
00140         write_sa2400(dev, 2, 0x80);
00141         write_sa2400(dev, 3, 0);
00142         write_sa2400(dev, 4, 0x19340 | firdac);
00143         write_sa2400(dev, 5, 0x1dfb | (SA2400_MAX_SENS - 54) << 15);
00144         write_sa2400(dev, 4, 0x19348 | firdac); /* calibrate VCO */
00145 
00146         if (!analogphy)
00147                 write_sa2400(dev, 4, 0x1938c); /*???*/
00148 
00149         write_sa2400(dev, 4, 0x19340 | firdac);
00150 
00151         write_sa2400(dev, 0, sa2400_chan[0]);
00152         write_sa2400(dev, 1, 0xbb50);
00153         write_sa2400(dev, 2, 0x80);
00154         write_sa2400(dev, 3, 0);
00155         write_sa2400(dev, 4, 0x19344 | firdac); /* calibrate filter */
00156 
00157         /* new from rtl8180 embedded driver (rtl8181 project) */
00158         write_sa2400(dev, 6, 0x13ff | (1 << 23)); /* MANRX */
00159         write_sa2400(dev, 8, 0); /* VCO */
00160 
00161         if (analogphy) {
00162                 rtl818x_set_anaparam(priv, anaparam |
00163                                      (1 << ANAPARAM_TXDACOFF_SHIFT));
00164 
00165                 txconf = rtl818x_ioread32(priv, &priv->map->TX_CONF);
00166                 rtl818x_iowrite32(priv, &priv->map->TX_CONF,
00167                         txconf | RTL818X_TX_CONF_LOOPBACK_CONT);
00168 
00169                 write_sa2400(dev, 4, 0x19341); /* calibrates DC */
00170 
00171                 /* a 5us delay is required here,
00172                  * we rely on the 3ms delay introduced in write_sa2400 */
00173 
00174                 write_sa2400(dev, 4, 0x19345);
00175 
00176                 /* a 20us delay is required here,
00177                  * we rely on the 3ms delay introduced in write_sa2400 */
00178 
00179                 rtl818x_iowrite32(priv, &priv->map->TX_CONF, txconf);
00180 
00181                 rtl818x_set_anaparam(priv, anaparam);
00182         }
00183         /* end new code */
00184 
00185         write_sa2400(dev, 4, 0x19341 | firdac); /* RTX MODE */
00186 
00187         /* baseband configuration */
00188         rtl818x_write_phy(dev, 0, 0x98);
00189         rtl818x_write_phy(dev, 3, 0x38);
00190         rtl818x_write_phy(dev, 4, 0xe0);
00191         rtl818x_write_phy(dev, 5, 0x90);
00192         rtl818x_write_phy(dev, 6, 0x1a);
00193         rtl818x_write_phy(dev, 7, 0x64);
00194 
00195         sa2400_write_phy_antenna(dev, 1);
00196 
00197         rtl818x_write_phy(dev, 0x11, 0x80);
00198 
00199         if (rtl818x_ioread8(priv, &priv->map->CONFIG2) &
00200             RTL818X_CONFIG2_ANTENNA_DIV)
00201                 rtl818x_write_phy(dev, 0x12, 0xc7); /* enable ant diversity */
00202         else
00203                 rtl818x_write_phy(dev, 0x12, 0x47); /* disable ant diversity */
00204 
00205         rtl818x_write_phy(dev, 0x13, 0x90 | priv->csthreshold);
00206 
00207         rtl818x_write_phy(dev, 0x19, 0x0);
00208         rtl818x_write_phy(dev, 0x1a, 0xa0);
00209 }

Variable Documentation

const u32 sa2400_chan[] [static]

Initial value:

 {
        0x00096c, 
        0x080970,
        0x100974,
        0x180978,
        0x000980,
        0x080984,
        0x100988,
        0x18098c,
        0x000994,
        0x080998,
        0x10099c,
        0x1809a0,
        0x0009a8,
        0x0009b4, 
}

Definition at line 41 of file rtl8180_sa2400.c.

Referenced by sa2400_rf_init(), and sa2400_rf_set_channel().

struct rtl818x_rf_ops sa2400_rf_ops __rtl818x_rf_driver

Initial value:

 {
        .name           = "Philips SA2400",
        .id             = 3,
        .init           = sa2400_rf_init,
        .stop           = sa2400_rf_stop,
        .set_chan       = sa2400_rf_set_channel
}

Definition at line 211 of file rtl8180_sa2400.c.

Generated on Tue Apr 6 20:01:38 2010 for gPXE by  doxygen 1.5.7.1