Loading...
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 | /* ZD1211 USB-WLAN driver for Linux
*
* Copyright (C) 2005-2007 Ulrich Kunitz <kune@deine-taler.de>
* Copyright (C) 2006-2007 Daniel Drake <dsd@gentoo.org>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include <linux/errno.h>
#include <linux/string.h>
#include "zd_def.h"
#include "zd_rf.h"
#include "zd_mac.h"
#include "zd_chip.h"
static const char * const rfs[] = {
[0] = "unknown RF0",
[1] = "unknown RF1",
[UW2451_RF] = "UW2451_RF",
[UCHIP_RF] = "UCHIP_RF",
[AL2230_RF] = "AL2230_RF",
[AL7230B_RF] = "AL7230B_RF",
[THETA_RF] = "THETA_RF",
[AL2210_RF] = "AL2210_RF",
[MAXIM_NEW_RF] = "MAXIM_NEW_RF",
[UW2453_RF] = "UW2453_RF",
[AL2230S_RF] = "AL2230S_RF",
[RALINK_RF] = "RALINK_RF",
[INTERSIL_RF] = "INTERSIL_RF",
[RF2959_RF] = "RF2959_RF",
[MAXIM_NEW2_RF] = "MAXIM_NEW2_RF",
[PHILIPS_RF] = "PHILIPS_RF",
};
const char *zd_rf_name(u8 type)
{
if (type & 0xf0)
type = 0;
return rfs[type];
}
void zd_rf_init(struct zd_rf *rf)
{
memset(rf, 0, sizeof(*rf));
/* default to update channel integration, as almost all RF's do want
* this */
rf->update_channel_int = 1;
}
void zd_rf_clear(struct zd_rf *rf)
{
if (rf->clear)
rf->clear(rf);
ZD_MEMCLEAR(rf, sizeof(*rf));
}
int zd_rf_init_hw(struct zd_rf *rf, u8 type)
{
int r = 0;
int t;
struct zd_chip *chip = zd_rf_to_chip(rf);
ZD_ASSERT(mutex_is_locked(&chip->mutex));
switch (type) {
case RF2959_RF:
r = zd_rf_init_rf2959(rf);
break;
case AL2230_RF:
case AL2230S_RF:
r = zd_rf_init_al2230(rf);
break;
case AL7230B_RF:
r = zd_rf_init_al7230b(rf);
break;
case MAXIM_NEW_RF:
case UW2453_RF:
r = zd_rf_init_uw2453(rf);
break;
default:
dev_err(zd_chip_dev(chip),
"RF %s %#x is not supported\n", zd_rf_name(type), type);
rf->type = 0;
return -ENODEV;
}
if (r)
return r;
rf->type = type;
r = zd_chip_lock_phy_regs(chip);
if (r)
return r;
t = rf->init_hw(rf);
r = zd_chip_unlock_phy_regs(chip);
if (t)
r = t;
return r;
}
int zd_rf_scnprint_id(struct zd_rf *rf, char *buffer, size_t size)
{
return scnprintf(buffer, size, "%s", zd_rf_name(rf->type));
}
int zd_rf_set_channel(struct zd_rf *rf, u8 channel)
{
int r;
ZD_ASSERT(mutex_is_locked(&zd_rf_to_chip(rf)->mutex));
if (channel < MIN_CHANNEL24)
return -EINVAL;
if (channel > MAX_CHANNEL24)
return -EINVAL;
dev_dbg_f(zd_chip_dev(zd_rf_to_chip(rf)), "channel: %d\n", channel);
r = rf->set_channel(rf, channel);
if (r >= 0)
rf->channel = channel;
return r;
}
int zd_switch_radio_on(struct zd_rf *rf)
{
int r, t;
struct zd_chip *chip = zd_rf_to_chip(rf);
ZD_ASSERT(mutex_is_locked(&chip->mutex));
r = zd_chip_lock_phy_regs(chip);
if (r)
return r;
t = rf->switch_radio_on(rf);
r = zd_chip_unlock_phy_regs(chip);
if (t)
r = t;
return r;
}
int zd_switch_radio_off(struct zd_rf *rf)
{
int r, t;
struct zd_chip *chip = zd_rf_to_chip(rf);
/* TODO: move phy regs handling to zd_chip */
ZD_ASSERT(mutex_is_locked(&chip->mutex));
r = zd_chip_lock_phy_regs(chip);
if (r)
return r;
t = rf->switch_radio_off(rf);
r = zd_chip_unlock_phy_regs(chip);
if (t)
r = t;
return r;
}
int zd_rf_patch_6m_band_edge(struct zd_rf *rf, u8 channel)
{
if (!rf->patch_6m_band_edge)
return 0;
return rf->patch_6m_band_edge(rf, channel);
}
int zd_rf_generic_patch_6m(struct zd_rf *rf, u8 channel)
{
return zd_chip_generic_patch_6m_band(zd_rf_to_chip(rf), channel);
}
|