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linux-sg2042/drivers/net/wireless/rt2x00/rt2800soc.c

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/* Copyright (C) 2009 - 2010 Ivo van Doorn <IvDoorn@gmail.com>
* Copyright (C) 2009 Alban Browaeys <prahal@yahoo.com>
* Copyright (C) 2009 Felix Fietkau <nbd@openwrt.org>
* Copyright (C) 2009 Luis Correia <luis.f.correia@gmail.com>
* Copyright (C) 2009 Mattias Nissler <mattias.nissler@gmx.de>
* Copyright (C) 2009 Mark Asselstine <asselsm@gmail.com>
* Copyright (C) 2009 Xose Vazquez Perez <xose.vazquez@gmail.com>
* Copyright (C) 2009 Bart Zolnierkiewicz <bzolnier@gmail.com>
* <http://rt2x00.serialmonkey.com>
*
* 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, see <http://www.gnu.org/licenses/>.
*/
/* Module: rt2800soc
* Abstract: rt2800 WiSoC specific routines.
*/
#include <linux/etherdevice.h>
#include <linux/init.h>
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/platform_device.h>
#include "rt2x00.h"
#include "rt2x00mmio.h"
#include "rt2x00soc.h"
#include "rt2800.h"
#include "rt2800lib.h"
#include "rt2800mmio.h"
/* Allow hardware encryption to be disabled. */
static bool modparam_nohwcrypt;
module_param_named(nohwcrypt, modparam_nohwcrypt, bool, S_IRUGO);
MODULE_PARM_DESC(nohwcrypt, "Disable hardware encryption.");
static bool rt2800soc_hwcrypt_disabled(struct rt2x00_dev *rt2x00dev)
{
return modparam_nohwcrypt;
}
static void rt2800soc_disable_radio(struct rt2x00_dev *rt2x00dev)
{
rt2800_disable_radio(rt2x00dev);
rt2x00mmio_register_write(rt2x00dev, PWR_PIN_CFG, 0);
rt2x00mmio_register_write(rt2x00dev, TX_PIN_CFG, 0);
}
static int rt2800soc_set_device_state(struct rt2x00_dev *rt2x00dev,
enum dev_state state)
{
int retval = 0;
switch (state) {
case STATE_RADIO_ON:
retval = rt2800mmio_enable_radio(rt2x00dev);
break;
case STATE_RADIO_OFF:
rt2800soc_disable_radio(rt2x00dev);
break;
case STATE_RADIO_IRQ_ON:
case STATE_RADIO_IRQ_OFF:
rt2800mmio_toggle_irq(rt2x00dev, state);
break;
case STATE_DEEP_SLEEP:
case STATE_SLEEP:
case STATE_STANDBY:
case STATE_AWAKE:
/* These states are not supported, but don't report an error */
retval = 0;
break;
default:
retval = -ENOTSUPP;
break;
}
if (unlikely(retval))
rt2x00_err(rt2x00dev, "Device failed to enter state %d (%d)\n",
state, retval);
return retval;
}
static int rt2800soc_read_eeprom(struct rt2x00_dev *rt2x00dev)
{
void __iomem *base_addr = ioremap(0x1F040000, EEPROM_SIZE);
if (!base_addr)
return -ENOMEM;
memcpy_fromio(rt2x00dev->eeprom, base_addr, EEPROM_SIZE);
iounmap(base_addr);
return 0;
}
/* Firmware functions */
static char *rt2800soc_get_firmware_name(struct rt2x00_dev *rt2x00dev)
{
WARN_ON_ONCE(1);
return NULL;
}
static int rt2800soc_load_firmware(struct rt2x00_dev *rt2x00dev,
const u8 *data, const size_t len)
{
WARN_ON_ONCE(1);
return 0;
}
static int rt2800soc_check_firmware(struct rt2x00_dev *rt2x00dev,
const u8 *data, const size_t len)
{
WARN_ON_ONCE(1);
return 0;
}
static int rt2800soc_write_firmware(struct rt2x00_dev *rt2x00dev,
const u8 *data, const size_t len)
{
WARN_ON_ONCE(1);
return 0;
}
static const struct ieee80211_ops rt2800soc_mac80211_ops = {
.tx = rt2x00mac_tx,
.start = rt2x00mac_start,
.stop = rt2x00mac_stop,
.add_interface = rt2x00mac_add_interface,
.remove_interface = rt2x00mac_remove_interface,
.config = rt2x00mac_config,
.configure_filter = rt2x00mac_configure_filter,
.set_key = rt2x00mac_set_key,
.sw_scan_start = rt2x00mac_sw_scan_start,
.sw_scan_complete = rt2x00mac_sw_scan_complete,
.get_stats = rt2x00mac_get_stats,
.get_tkip_seq = rt2800_get_tkip_seq,
.set_rts_threshold = rt2800_set_rts_threshold,
.sta_add = rt2x00mac_sta_add,
.sta_remove = rt2x00mac_sta_remove,
.bss_info_changed = rt2x00mac_bss_info_changed,
.conf_tx = rt2800_conf_tx,
.get_tsf = rt2800_get_tsf,
.rfkill_poll = rt2x00mac_rfkill_poll,
.ampdu_action = rt2800_ampdu_action,
.flush = rt2x00mac_flush,
.get_survey = rt2800_get_survey,
.get_ringparam = rt2x00mac_get_ringparam,
.tx_frames_pending = rt2x00mac_tx_frames_pending,
};
static const struct rt2800_ops rt2800soc_rt2800_ops = {
.register_read = rt2x00mmio_register_read,
.register_read_lock = rt2x00mmio_register_read, /* same for SoCs */
.register_write = rt2x00mmio_register_write,
.register_write_lock = rt2x00mmio_register_write, /* same for SoCs */
.register_multiread = rt2x00mmio_register_multiread,
.register_multiwrite = rt2x00mmio_register_multiwrite,
.regbusy_read = rt2x00mmio_regbusy_read,
.read_eeprom = rt2800soc_read_eeprom,
.hwcrypt_disabled = rt2800soc_hwcrypt_disabled,
.drv_write_firmware = rt2800soc_write_firmware,
.drv_init_registers = rt2800mmio_init_registers,
.drv_get_txwi = rt2800mmio_get_txwi,
};
static const struct rt2x00lib_ops rt2800soc_rt2x00_ops = {
.irq_handler = rt2800mmio_interrupt,
.txstatus_tasklet = rt2800mmio_txstatus_tasklet,
.pretbtt_tasklet = rt2800mmio_pretbtt_tasklet,
.tbtt_tasklet = rt2800mmio_tbtt_tasklet,
.rxdone_tasklet = rt2800mmio_rxdone_tasklet,
.autowake_tasklet = rt2800mmio_autowake_tasklet,
.probe_hw = rt2800_probe_hw,
.get_firmware_name = rt2800soc_get_firmware_name,
.check_firmware = rt2800soc_check_firmware,
.load_firmware = rt2800soc_load_firmware,
.initialize = rt2x00mmio_initialize,
.uninitialize = rt2x00mmio_uninitialize,
.get_entry_state = rt2800mmio_get_entry_state,
.clear_entry = rt2800mmio_clear_entry,
.set_device_state = rt2800soc_set_device_state,
.rfkill_poll = rt2800_rfkill_poll,
.link_stats = rt2800_link_stats,
.reset_tuner = rt2800_reset_tuner,
.link_tuner = rt2800_link_tuner,
.gain_calibration = rt2800_gain_calibration,
.vco_calibration = rt2800_vco_calibration,
.start_queue = rt2800mmio_start_queue,
.kick_queue = rt2800mmio_kick_queue,
.stop_queue = rt2800mmio_stop_queue,
.flush_queue = rt2x00mmio_flush_queue,
.write_tx_desc = rt2800mmio_write_tx_desc,
.write_tx_data = rt2800_write_tx_data,
.write_beacon = rt2800_write_beacon,
.clear_beacon = rt2800_clear_beacon,
.fill_rxdone = rt2800mmio_fill_rxdone,
.config_shared_key = rt2800_config_shared_key,
.config_pairwise_key = rt2800_config_pairwise_key,
.config_filter = rt2800_config_filter,
.config_intf = rt2800_config_intf,
.config_erp = rt2800_config_erp,
.config_ant = rt2800_config_ant,
.config = rt2800_config,
.sta_add = rt2800_sta_add,
.sta_remove = rt2800_sta_remove,
};
static const struct rt2x00_ops rt2800soc_ops = {
.name = KBUILD_MODNAME,
.drv_data_size = sizeof(struct rt2800_drv_data),
.max_ap_intf = 8,
.eeprom_size = EEPROM_SIZE,
.rf_size = RF_SIZE,
.tx_queues = NUM_TX_QUEUES,
.queue_init = rt2800mmio_queue_init,
.lib = &rt2800soc_rt2x00_ops,
.drv = &rt2800soc_rt2800_ops,
.hw = &rt2800soc_mac80211_ops,
#ifdef CONFIG_RT2X00_LIB_DEBUGFS
.debugfs = &rt2800_rt2x00debug,
#endif /* CONFIG_RT2X00_LIB_DEBUGFS */
};
static int rt2800soc_probe(struct platform_device *pdev)
{
return rt2x00soc_probe(pdev, &rt2800soc_ops);
}
static struct platform_driver rt2800soc_driver = {
.driver = {
.name = "rt2800_wmac",
.owner = THIS_MODULE,
.mod_name = KBUILD_MODNAME,
},
.probe = rt2800soc_probe,
.remove = rt2x00soc_remove,
.suspend = rt2x00soc_suspend,
.resume = rt2x00soc_resume,
};
module_platform_driver(rt2800soc_driver);
MODULE_AUTHOR(DRV_PROJECT);
MODULE_VERSION(DRV_VERSION);
MODULE_DESCRIPTION("Ralink WiSoC Wireless LAN driver.");
MODULE_LICENSE("GPL");
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