d2d7c05210
This is a backport of Helge Deller's recent patch for wireless-dev.git Signed-off-by: Daniel Drake <dsd@gentoo.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
157 lines
3.3 KiB
C
157 lines
3.3 KiB
C
/* zd_rf.c
|
|
*
|
|
* 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_ieee80211.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",
|
|
[UNKNOWN_A_RF] = "UNKNOWN_A_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));
|
|
}
|
|
|
|
void zd_rf_clear(struct zd_rf *rf)
|
|
{
|
|
ZD_MEMCLEAR(rf, sizeof(*rf));
|
|
}
|
|
|
|
int zd_rf_init_hw(struct zd_rf *rf, u8 type)
|
|
{
|
|
int r, 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);
|
|
if (r)
|
|
return r;
|
|
break;
|
|
case AL2230_RF:
|
|
r = zd_rf_init_al2230(rf);
|
|
if (r)
|
|
return r;
|
|
break;
|
|
case AL7230B_RF:
|
|
r = zd_rf_init_al7230b(rf);
|
|
if (r)
|
|
return r;
|
|
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;
|
|
}
|
|
|
|
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;
|
|
}
|