rtl8180_max2820.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	MAXIM_ANTENNA   0xb3

Functions
	FILE_LICENCE (GPL2_ONLY)
	FILE_SECBOOT (FORBIDDEN)
static void	write_max2820 (struct net80211_device *dev, u8 addr, u32 data)
static void	max2820_write_phy_antenna (struct net80211_device *dev, short chan)
static void	max2820_rf_set_channel (struct net80211_device *dev, struct net80211_channel *channelp)
static void	max2820_rf_stop (struct net80211_device *dev)
static void	max2820_rf_init (struct net80211_device *dev)

Variables
static const u32	max2820_chan []
struct rtl818x_rf_ops max2820_rf_ops	__rtl818x_rf_driver

Macro Definition Documentation

MAXIM_ANTENNA

#define MAXIM_ANTENNA   0xb3

Definition at line 32 of file rtl8180_max2820.c.

Referenced by max2820_write_phy_antenna().

Function Documentation

FILE_LICENCE()

FILE_LICENCE

(

GPL2_ONLY

)

FILE_SECBOOT()

FILE_SECBOOT

(

FORBIDDEN

)

write_max2820()

void write_max2820 ( struct net80211_device * dev, u8 addr, u32 data )

static

Definition at line 51 of file rtl8180_max2820.c.

{
        struct rtl818x_priv *priv = dev->priv;
        u32 phy_config;
 
        phy_config = 0x90 + (data & 0xf);
        phy_config <<= 16;
        phy_config += addr;
        phy_config <<= 8;
        phy_config += (data >> 4) & 0xff;
 
        /* 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(1);
}

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

Referenced by max2820_rf_init(), max2820_rf_set_channel(), and max2820_rf_stop().

max2820_write_phy_antenna()

void max2820_write_phy_antenna ( struct net80211_device * dev, short chan )

static

Definition at line 70 of file rtl8180_max2820.c.

{
        struct rtl818x_priv *priv = dev->priv;
        u8 ant;
 
        ant = MAXIM_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, MAXIM_ANTENNA, net80211_device::priv, priv, RF_PARAM_ANTBDEFAULT, rtl818x_write_phy(), and u8.

Referenced by max2820_rf_init(), and max2820_rf_set_channel().

max2820_rf_set_channel()

void max2820_rf_set_channel ( struct net80211_device * dev, struct net80211_channel * channelp )

static

Definition at line 84 of file rtl8180_max2820.c.

{
        struct rtl818x_priv *priv = dev->priv;
        int channel = channelp->channel_nr;
        unsigned int chan_idx = channel - 1;
        u32 txpw = priv->txpower[chan_idx] & 0xFF;
        u32 chan = max2820_chan[chan_idx];
 
        /* While philips SA2400 drive the PA bias from
         * sa2400, for MAXIM we do this directly from BB */
        rtl818x_write_phy(dev, 3, txpw);
 
        max2820_write_phy_antenna(dev, channel);
        write_max2820(dev, 3, chan);
}

References channel, net80211_channel::channel_nr, max2820_chan, max2820_write_phy_antenna(), net80211_device::priv, priv, rtl818x_write_phy(), u32, and write_max2820().

Referenced by max2820_rf_init().

max2820_rf_stop()

void max2820_rf_stop ( struct net80211_device * dev )

static

Definition at line 101 of file rtl8180_max2820.c.

{
        rtl818x_write_phy(dev, 3, 0x8);
        write_max2820(dev, 1, 0);
}

References rtl818x_write_phy(), and write_max2820().

max2820_rf_init()

void max2820_rf_init ( struct net80211_device * dev )

static

Definition at line 108 of file rtl8180_max2820.c.

{
        struct rtl818x_priv *priv = dev->priv;
 
        /* MAXIM from netbsd driver */
        write_max2820(dev, 0, 0x007); /* test mode as indicated in datasheet */
        write_max2820(dev, 1, 0x01e); /* enable register */
        write_max2820(dev, 2, 0x001); /* synt register */
 
        max2820_rf_set_channel(dev, NULL);
 
        write_max2820(dev, 4, 0x313); /* rx register */
 
        /* PA is driven directly by the BB, we keep the MAXIM bias
         * at the highest value in case that setting it to lower
         * values may introduce some further attenuation somewhere..
         */
        write_max2820(dev, 5, 0x00f);
 
        /* baseband configuration */
        rtl818x_write_phy(dev, 0, 0x88); /* sys1       */
        rtl818x_write_phy(dev, 3, 0x08); /* txagc      */
        rtl818x_write_phy(dev, 4, 0xf8); /* lnadet     */
        rtl818x_write_phy(dev, 5, 0x90); /* ifagcinit  */
        rtl818x_write_phy(dev, 6, 0x1a); /* ifagclimit */
        rtl818x_write_phy(dev, 7, 0x64); /* ifagcdet   */
 
        max2820_write_phy_antenna(dev, 1);
 
        rtl818x_write_phy(dev, 0x11, 0x88); /* trl */
 
        if (rtl818x_ioread8(priv, &priv->map->CONFIG2) &
            RTL818X_CONFIG2_ANTENNA_DIV)
                rtl818x_write_phy(dev, 0x12, 0xc7);
        else
                rtl818x_write_phy(dev, 0x12, 0x47);
 
        rtl818x_write_phy(dev, 0x13, 0x9b);
 
        rtl818x_write_phy(dev, 0x19, 0x0);  /* CHESTLIM */
        rtl818x_write_phy(dev, 0x1a, 0x9f); /* CHSQLIM  */
 
        max2820_rf_set_channel(dev, NULL);
}

References max2820_rf_set_channel(), max2820_write_phy_antenna(), NULL, net80211_device::priv, priv, RTL818X_CONFIG2_ANTENNA_DIV, rtl818x_ioread8(), rtl818x_write_phy(), and write_max2820().

Variable Documentation

max2820_chan

const u32 max2820_chan[]

static

Initial value:

= {
        12, 
        17,
        22,
        27,
        32,
        37,
        42,
        47,
        52,
        57,
        62,
        67,
        72,
        84, 
}

Definition at line 34 of file rtl8180_max2820.c.

                                  {
        12, /* CH 1 */
        17,
        22,
        27,
        32,
        37,
        42,
        47,
        52,
        57,
        62,
        67,
        72,
        84, /* CH 14 */
};

Referenced by max2820_rf_set_channel().

__rtl818x_rf_driver

struct rtl818x_rf_ops max2820_rf_ops __rtl818x_rf_driver

Initial value:

= {
        .name           = "Maxim max2820",
        .id             = 4,
        .init           = max2820_rf_init,
        .stop           = max2820_rf_stop,
        .set_chan       = max2820_rf_set_channel
}

Definition at line 153 of file rtl8180_max2820.c.

                                                           {
        .name           = "Maxim max2820",
        .id             = 4,
        .init           = max2820_rf_init,
        .stop           = max2820_rf_stop,
        .set_chan       = max2820_rf_set_channel
};