// SPDX-License-Identifier: GPL-2.0-or-later
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/* Copyright (C) 2009 - 2010 Ivo van Doorn <IvDoorn@gmail.com>
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* Copyright (C) 2009 Alban Browaeys <prahal@yahoo.com>
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* Copyright (C) 2009 Felix Fietkau <nbd@openwrt.org>
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* Copyright (C) 2009 Luis Correia <luis.f.correia@gmail.com>
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* Copyright (C) 2009 Mattias Nissler <mattias.nissler@gmx.de>
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* Copyright (C) 2009 Mark Asselstine <asselsm@gmail.com>
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* Copyright (C) 2009 Xose Vazquez Perez <xose.vazquez@gmail.com>
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* Copyright (C) 2009 Bart Zolnierkiewicz <bzolnier@gmail.com>
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* <http://rt2x00.serialmonkey.com>
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*/
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/* Module: rt2800soc
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* Abstract: rt2800 WiSoC specific routines.
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*/
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#include <linux/etherdevice.h>
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#include <linux/init.h>
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#include <linux/kernel.h>
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#include <linux/module.h>
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#include <linux/platform_device.h>
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#include "rt2x00.h"
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#include "rt2x00mmio.h"
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#include "rt2x00soc.h"
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#include "rt2800.h"
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#include "rt2800lib.h"
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#include "rt2800mmio.h"
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/* Allow hardware encryption to be disabled. */
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static bool modparam_nohwcrypt;
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module_param_named(nohwcrypt, modparam_nohwcrypt, bool, 0444);
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MODULE_PARM_DESC(nohwcrypt, "Disable hardware encryption.");
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static bool rt2800soc_hwcrypt_disabled(struct rt2x00_dev *rt2x00dev)
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{
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return modparam_nohwcrypt;
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}
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static void rt2800soc_disable_radio(struct rt2x00_dev *rt2x00dev)
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{
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u32 reg;
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rt2800_disable_radio(rt2x00dev);
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rt2x00mmio_register_write(rt2x00dev, PWR_PIN_CFG, 0);
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reg = 0;
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if (rt2x00_rt(rt2x00dev, RT3883))
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rt2x00_set_field32(®, TX_PIN_CFG_RFTR_EN, 1);
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rt2x00mmio_register_write(rt2x00dev, TX_PIN_CFG, reg);
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}
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static int rt2800soc_set_device_state(struct rt2x00_dev *rt2x00dev,
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enum dev_state state)
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{
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int retval = 0;
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switch (state) {
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case STATE_RADIO_ON:
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retval = rt2800mmio_enable_radio(rt2x00dev);
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break;
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case STATE_RADIO_OFF:
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rt2800soc_disable_radio(rt2x00dev);
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break;
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case STATE_RADIO_IRQ_ON:
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case STATE_RADIO_IRQ_OFF:
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rt2800mmio_toggle_irq(rt2x00dev, state);
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break;
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case STATE_DEEP_SLEEP:
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case STATE_SLEEP:
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case STATE_STANDBY:
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case STATE_AWAKE:
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/* These states are not supported, but don't report an error */
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retval = 0;
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break;
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default:
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retval = -ENOTSUPP;
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break;
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}
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if (unlikely(retval))
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rt2x00_err(rt2x00dev, "Device failed to enter state %d (%d)\n",
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state, retval);
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return retval;
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}
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static int rt2800soc_read_eeprom(struct rt2x00_dev *rt2x00dev)
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{
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void __iomem *base_addr = ioremap(0x1F040000, EEPROM_SIZE);
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if (!base_addr)
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return -ENOMEM;
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memcpy_fromio(rt2x00dev->eeprom, base_addr, EEPROM_SIZE);
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iounmap(base_addr);
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return 0;
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}
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/* Firmware functions */
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static char *rt2800soc_get_firmware_name(struct rt2x00_dev *rt2x00dev)
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{
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WARN_ON_ONCE(1);
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return NULL;
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}
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static int rt2800soc_load_firmware(struct rt2x00_dev *rt2x00dev,
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const u8 *data, const size_t len)
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{
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WARN_ON_ONCE(1);
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return 0;
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}
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static int rt2800soc_check_firmware(struct rt2x00_dev *rt2x00dev,
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const u8 *data, const size_t len)
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{
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WARN_ON_ONCE(1);
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return 0;
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}
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static int rt2800soc_write_firmware(struct rt2x00_dev *rt2x00dev,
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const u8 *data, const size_t len)
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{
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WARN_ON_ONCE(1);
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return 0;
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}
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static const struct ieee80211_ops rt2800soc_mac80211_ops = {
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.tx = rt2x00mac_tx,
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.start = rt2x00mac_start,
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.stop = rt2x00mac_stop,
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.add_interface = rt2x00mac_add_interface,
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.remove_interface = rt2x00mac_remove_interface,
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.config = rt2x00mac_config,
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.configure_filter = rt2x00mac_configure_filter,
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.set_key = rt2x00mac_set_key,
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.sw_scan_start = rt2x00mac_sw_scan_start,
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.sw_scan_complete = rt2x00mac_sw_scan_complete,
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.get_stats = rt2x00mac_get_stats,
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.get_key_seq = rt2800_get_key_seq,
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.set_rts_threshold = rt2800_set_rts_threshold,
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.sta_add = rt2800_sta_add,
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.sta_remove = rt2800_sta_remove,
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.bss_info_changed = rt2x00mac_bss_info_changed,
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.conf_tx = rt2800_conf_tx,
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.get_tsf = rt2800_get_tsf,
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.rfkill_poll = rt2x00mac_rfkill_poll,
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.ampdu_action = rt2800_ampdu_action,
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.flush = rt2x00mac_flush,
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.get_survey = rt2800_get_survey,
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.get_ringparam = rt2x00mac_get_ringparam,
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.tx_frames_pending = rt2x00mac_tx_frames_pending,
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.reconfig_complete = rt2x00mac_reconfig_complete,
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};
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static const struct rt2800_ops rt2800soc_rt2800_ops = {
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.register_read = rt2x00mmio_register_read,
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.register_read_lock = rt2x00mmio_register_read, /* same for SoCs */
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.register_write = rt2x00mmio_register_write,
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.register_write_lock = rt2x00mmio_register_write, /* same for SoCs */
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.register_multiread = rt2x00mmio_register_multiread,
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.register_multiwrite = rt2x00mmio_register_multiwrite,
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.regbusy_read = rt2x00mmio_regbusy_read,
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.read_eeprom = rt2800soc_read_eeprom,
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.hwcrypt_disabled = rt2800soc_hwcrypt_disabled,
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.drv_write_firmware = rt2800soc_write_firmware,
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.drv_init_registers = rt2800mmio_init_registers,
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.drv_get_txwi = rt2800mmio_get_txwi,
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.drv_get_dma_done = rt2800mmio_get_dma_done,
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};
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static const struct rt2x00lib_ops rt2800soc_rt2x00_ops = {
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.irq_handler = rt2800mmio_interrupt,
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.txstatus_tasklet = rt2800mmio_txstatus_tasklet,
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.pretbtt_tasklet = rt2800mmio_pretbtt_tasklet,
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.tbtt_tasklet = rt2800mmio_tbtt_tasklet,
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.rxdone_tasklet = rt2800mmio_rxdone_tasklet,
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.autowake_tasklet = rt2800mmio_autowake_tasklet,
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.probe_hw = rt2800mmio_probe_hw,
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.get_firmware_name = rt2800soc_get_firmware_name,
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.check_firmware = rt2800soc_check_firmware,
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.load_firmware = rt2800soc_load_firmware,
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.initialize = rt2x00mmio_initialize,
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.uninitialize = rt2x00mmio_uninitialize,
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.get_entry_state = rt2800mmio_get_entry_state,
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.clear_entry = rt2800mmio_clear_entry,
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.set_device_state = rt2800soc_set_device_state,
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.rfkill_poll = rt2800_rfkill_poll,
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.link_stats = rt2800_link_stats,
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.reset_tuner = rt2800_reset_tuner,
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.link_tuner = rt2800_link_tuner,
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.gain_calibration = rt2800_gain_calibration,
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.vco_calibration = rt2800_vco_calibration,
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.watchdog = rt2800_watchdog,
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.start_queue = rt2800mmio_start_queue,
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.kick_queue = rt2800mmio_kick_queue,
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.stop_queue = rt2800mmio_stop_queue,
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.flush_queue = rt2800mmio_flush_queue,
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.write_tx_desc = rt2800mmio_write_tx_desc,
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.write_tx_data = rt2800_write_tx_data,
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.write_beacon = rt2800_write_beacon,
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.clear_beacon = rt2800_clear_beacon,
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.fill_rxdone = rt2800mmio_fill_rxdone,
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.config_shared_key = rt2800_config_shared_key,
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.config_pairwise_key = rt2800_config_pairwise_key,
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.config_filter = rt2800_config_filter,
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.config_intf = rt2800_config_intf,
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.config_erp = rt2800_config_erp,
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.config_ant = rt2800_config_ant,
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.config = rt2800_config,
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.pre_reset_hw = rt2800_pre_reset_hw,
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};
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static const struct rt2x00_ops rt2800soc_ops = {
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.name = KBUILD_MODNAME,
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.drv_data_size = sizeof(struct rt2800_drv_data),
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.max_ap_intf = 8,
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.eeprom_size = EEPROM_SIZE,
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.rf_size = RF_SIZE,
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.tx_queues = NUM_TX_QUEUES,
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.queue_init = rt2800mmio_queue_init,
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.lib = &rt2800soc_rt2x00_ops,
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.drv = &rt2800soc_rt2800_ops,
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.hw = &rt2800soc_mac80211_ops,
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#ifdef CONFIG_RT2X00_LIB_DEBUGFS
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.debugfs = &rt2800_rt2x00debug,
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#endif /* CONFIG_RT2X00_LIB_DEBUGFS */
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};
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static int rt2800soc_probe(struct platform_device *pdev)
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{
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return rt2x00soc_probe(pdev, &rt2800soc_ops);
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}
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static struct platform_driver rt2800soc_driver = {
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.driver = {
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.name = "rt2800_wmac",
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.mod_name = KBUILD_MODNAME,
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},
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.probe = rt2800soc_probe,
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.remove = rt2x00soc_remove,
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.suspend = rt2x00soc_suspend,
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.resume = rt2x00soc_resume,
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};
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module_platform_driver(rt2800soc_driver);
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MODULE_AUTHOR(DRV_PROJECT);
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MODULE_VERSION(DRV_VERSION);
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MODULE_DESCRIPTION("Ralink WiSoC Wireless LAN driver.");
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MODULE_LICENSE("GPL");
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