rtl8180_grf5101.c File Reference

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

Go to the source code of this file.

Macros
#define	GRF5101_ANTENNA   0xA3

Functions
	FILE_LICENCE (GPL2_ONLY)
	FILE_SECBOOT (FORBIDDEN)
static void	write_grf5101 (struct net80211_device *dev, u8 addr, u32 data)
static void	grf5101_write_phy_antenna (struct net80211_device *dev, short chan)
static void	grf5101_rf_set_channel (struct net80211_device *dev, struct net80211_channel *channelp)
static void	grf5101_rf_stop (struct net80211_device *dev)
static void	grf5101_rf_init (struct net80211_device *dev)

Variables
static const int	grf5101_encode []
struct rtl818x_rf_ops grf5101_rf_ops	__rtl818x_rf_driver

Macro Definition Documentation

GRF5101_ANTENNA

#define GRF5101_ANTENNA   0xA3

Definition at line 32 of file rtl8180_grf5101.c.

Referenced by grf5101_write_phy_antenna().

Function Documentation

FILE_LICENCE()

FILE_LICENCE

(

GPL2_ONLY

)

FILE_SECBOOT()

FILE_SECBOOT

(

FORBIDDEN

)

write_grf5101()

void write_grf5101 ( struct net80211_device * dev, u8 addr, u32 data )

static

Definition at line 41 of file rtl8180_grf5101.c.

{
        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);
}

References addr, data, grf5101_encode, mdelay(), net80211_device::priv, priv, rtl818x_iowrite16(), u32, and u8.

Referenced by grf5101_rf_init(), grf5101_rf_set_channel(), and grf5101_rf_stop().

grf5101_write_phy_antenna()

void grf5101_write_phy_antenna ( struct net80211_device * dev, short chan )

static

Definition at line 64 of file rtl8180_grf5101.c.

{
        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);
}

References BB_ANTATTEN_CHAN14, BB_ANTENNA_B, GRF5101_ANTENNA, net80211_device::priv, priv, RF_PARAM_ANTBDEFAULT, rtl818x_write_phy(), and u8.

Referenced by grf5101_rf_init(), and grf5101_rf_set_channel().

grf5101_rf_set_channel()

void grf5101_rf_set_channel ( struct net80211_device * dev, struct net80211_channel * channelp )

static

Definition at line 78 of file rtl8180_grf5101.c.

{
        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);
}

References channel, net80211_channel::channel_nr, grf5101_write_phy_antenna(), net80211_device::priv, priv, u32, and write_grf5101().

grf5101_rf_stop()

void grf5101_rf_stop ( struct net80211_device * dev )

static

Definition at line 100 of file rtl8180_grf5101.c.

{
        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);
}

References rtl818x_priv::anaparam, net80211_device::priv, priv, rtl818x_set_anaparam(), u32, and write_grf5101().

grf5101_rf_init()

void grf5101_rf_init ( struct net80211_device * dev )

static

Definition at line 116 of file rtl8180_grf5101.c.

{
        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);
}

References grf5101_write_phy_antenna(), net80211_device::priv, priv, RTL818X_CONFIG2_ANTENNA_DIV, rtl818x_ioread8(), rtl818x_set_anaparam(), rtl818x_write_phy(), and write_grf5101().

Variable Documentation

grf5101_encode

const int grf5101_encode[]

static

Initial value:

= {
        0x0, 0x8, 0x4, 0xC,
        0x2, 0xA, 0x6, 0xE,
        0x1, 0x9, 0x5, 0xD,
        0x3, 0xB, 0x7, 0xF
}

Definition at line 34 of file rtl8180_grf5101.c.

                                    {
        0x0, 0x8, 0x4, 0xC,
        0x2, 0xA, 0x6, 0xE,
        0x1, 0x9, 0x5, 0xD,
        0x3, 0xB, 0x7, 0xF
};

Referenced by write_grf5101().

__rtl818x_rf_driver

struct rtl818x_rf_ops grf5101_rf_ops __rtl818x_rf_driver

Initial value:

= {
        .name           = "GCT GRF5101",
        .id             = 5,
        .init           = grf5101_rf_init,
        .stop           = grf5101_rf_stop,
        .set_chan       = grf5101_rf_set_channel
}

Definition at line 181 of file rtl8180_grf5101.c.

                                                           {
        .name           = "GCT GRF5101",
        .id             = 5,
        .init           = grf5101_rf_init,
        .stop           = grf5101_rf_stop,
        .set_chan       = grf5101_rf_set_channel
};