// SPDX-License-Identifier: GPL-2.0-or-later /* Copyright (C) 2004 - 2009 Ivo van Doorn <[email protected]> <http://rt2x00.serialmonkey.com> */ /* Module: rt73usb Abstract: rt73usb device specific routines. Supported chipsets: rt2571W & rt2671. */ #include <linux/crc-itu-t.h> #include <linux/delay.h> #include <linux/etherdevice.h> #include <linux/kernel.h> #include <linux/module.h> #include <linux/slab.h> #include <linux/usb.h> #include "rt2x00.h" #include "rt2x00usb.h" #include "rt73usb.h" /* * Allow hardware encryption to be disabled. */ static bool modparam_nohwcrypt; module_param_named(nohwcrypt, modparam_nohwcrypt, bool, 0444); MODULE_PARM_DESC(…) …; /* * Register access. * All access to the CSR registers will go through the methods * rt2x00usb_register_read and rt2x00usb_register_write. * BBP and RF register require indirect register access, * and use the CSR registers BBPCSR and RFCSR to achieve this. * These indirect registers work with busy bits, * and we will try maximal REGISTER_BUSY_COUNT times to access * the register while taking a REGISTER_BUSY_DELAY us delay * between each attampt. When the busy bit is still set at that time, * the access attempt is considered to have failed, * and we will print an error. * The _lock versions must be used if you already hold the csr_mutex */ #define WAIT_FOR_BBP(__dev, __reg) … #define WAIT_FOR_RF(__dev, __reg) … static void rt73usb_bbp_write(struct rt2x00_dev *rt2x00dev, const unsigned int word, const u8 value) { … } static u8 rt73usb_bbp_read(struct rt2x00_dev *rt2x00dev, const unsigned int word) { … } static void rt73usb_rf_write(struct rt2x00_dev *rt2x00dev, const unsigned int word, const u32 value) { … } #ifdef CONFIG_RT2X00_LIB_DEBUGFS static const struct rt2x00debug rt73usb_rt2x00debug = …; #endif /* CONFIG_RT2X00_LIB_DEBUGFS */ static int rt73usb_rfkill_poll(struct rt2x00_dev *rt2x00dev) { … } #ifdef CONFIG_RT2X00_LIB_LEDS static void rt73usb_brightness_set(struct led_classdev *led_cdev, enum led_brightness brightness) { … } static int rt73usb_blink_set(struct led_classdev *led_cdev, unsigned long *delay_on, unsigned long *delay_off) { … } static void rt73usb_init_led(struct rt2x00_dev *rt2x00dev, struct rt2x00_led *led, enum led_type type) { … } #endif /* CONFIG_RT2X00_LIB_LEDS */ /* * Configuration handlers. */ static int rt73usb_config_shared_key(struct rt2x00_dev *rt2x00dev, struct rt2x00lib_crypto *crypto, struct ieee80211_key_conf *key) { … } static int rt73usb_config_pairwise_key(struct rt2x00_dev *rt2x00dev, struct rt2x00lib_crypto *crypto, struct ieee80211_key_conf *key) { … } static void rt73usb_config_filter(struct rt2x00_dev *rt2x00dev, const unsigned int filter_flags) { … } static void rt73usb_config_intf(struct rt2x00_dev *rt2x00dev, struct rt2x00_intf *intf, struct rt2x00intf_conf *conf, const unsigned int flags) { … } static void rt73usb_config_erp(struct rt2x00_dev *rt2x00dev, struct rt2x00lib_erp *erp, u32 changed) { … } static void rt73usb_config_antenna_5x(struct rt2x00_dev *rt2x00dev, struct antenna_setup *ant) { … } static void rt73usb_config_antenna_2x(struct rt2x00_dev *rt2x00dev, struct antenna_setup *ant) { … } struct antenna_sel { … }; static const struct antenna_sel antenna_sel_a[] = …; static const struct antenna_sel antenna_sel_bg[] = …; static void rt73usb_config_ant(struct rt2x00_dev *rt2x00dev, struct antenna_setup *ant) { … } static void rt73usb_config_lna_gain(struct rt2x00_dev *rt2x00dev, struct rt2x00lib_conf *libconf) { … } static void rt73usb_config_channel(struct rt2x00_dev *rt2x00dev, struct rf_channel *rf, const int txpower) { … } static void rt73usb_config_txpower(struct rt2x00_dev *rt2x00dev, const int txpower) { … } static void rt73usb_config_retry_limit(struct rt2x00_dev *rt2x00dev, struct rt2x00lib_conf *libconf) { … } static void rt73usb_config_ps(struct rt2x00_dev *rt2x00dev, struct rt2x00lib_conf *libconf) { … } static void rt73usb_config(struct rt2x00_dev *rt2x00dev, struct rt2x00lib_conf *libconf, const unsigned int flags) { … } /* * Link tuning */ static void rt73usb_link_stats(struct rt2x00_dev *rt2x00dev, struct link_qual *qual) { … } static inline void rt73usb_set_vgc(struct rt2x00_dev *rt2x00dev, struct link_qual *qual, u8 vgc_level) { … } static void rt73usb_reset_tuner(struct rt2x00_dev *rt2x00dev, struct link_qual *qual) { … } static void rt73usb_link_tuner(struct rt2x00_dev *rt2x00dev, struct link_qual *qual, const u32 count) { … } /* * Queue handlers. */ static void rt73usb_start_queue(struct data_queue *queue) { … } static void rt73usb_stop_queue(struct data_queue *queue) { … } /* * Firmware functions */ static char *rt73usb_get_firmware_name(struct rt2x00_dev *rt2x00dev) { … } static int rt73usb_check_firmware(struct rt2x00_dev *rt2x00dev, const u8 *data, const size_t len) { … } static int rt73usb_load_firmware(struct rt2x00_dev *rt2x00dev, const u8 *data, const size_t len) { … } /* * Initialization functions. */ static int rt73usb_init_registers(struct rt2x00_dev *rt2x00dev) { … } static int rt73usb_wait_bbp_ready(struct rt2x00_dev *rt2x00dev) { … } static int rt73usb_init_bbp(struct rt2x00_dev *rt2x00dev) { … } /* * Device state switch handlers. */ static int rt73usb_enable_radio(struct rt2x00_dev *rt2x00dev) { … } static void rt73usb_disable_radio(struct rt2x00_dev *rt2x00dev) { … } static int rt73usb_set_state(struct rt2x00_dev *rt2x00dev, enum dev_state state) { … } static int rt73usb_set_device_state(struct rt2x00_dev *rt2x00dev, enum dev_state state) { … } /* * TX descriptor initialization */ static void rt73usb_write_tx_desc(struct queue_entry *entry, struct txentry_desc *txdesc) { … } /* * TX data initialization */ static void rt73usb_write_beacon(struct queue_entry *entry, struct txentry_desc *txdesc) { … } static void rt73usb_clear_beacon(struct queue_entry *entry) { … } static int rt73usb_get_tx_data_len(struct queue_entry *entry) { … } /* * RX control handlers */ static int rt73usb_agc_to_rssi(struct rt2x00_dev *rt2x00dev, int rxd_w1) { … } static void rt73usb_fill_rxdone(struct queue_entry *entry, struct rxdone_entry_desc *rxdesc) { … } /* * Device probe functions. */ static int rt73usb_validate_eeprom(struct rt2x00_dev *rt2x00dev) { … } static int rt73usb_init_eeprom(struct rt2x00_dev *rt2x00dev) { … } /* * RF value list for RF2528 * Supports: 2.4 GHz */ static const struct rf_channel rf_vals_bg_2528[] = …; /* * RF value list for RF5226 * Supports: 2.4 GHz & 5.2 GHz */ static const struct rf_channel rf_vals_5226[] = …; /* * RF value list for RF5225 & RF2527 * Supports: 2.4 GHz & 5.2 GHz */ static const struct rf_channel rf_vals_5225_2527[] = …; static int rt73usb_probe_hw_mode(struct rt2x00_dev *rt2x00dev) { … } static int rt73usb_probe_hw(struct rt2x00_dev *rt2x00dev) { … } /* * IEEE80211 stack callback functions. */ static int rt73usb_conf_tx(struct ieee80211_hw *hw, struct ieee80211_vif *vif, unsigned int link_id, u16 queue_idx, const struct ieee80211_tx_queue_params *params) { … } static u64 rt73usb_get_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif) { … } static const struct ieee80211_ops rt73usb_mac80211_ops = …; static const struct rt2x00lib_ops rt73usb_rt2x00_ops = …; static void rt73usb_queue_init(struct data_queue *queue) { … } static const struct rt2x00_ops rt73usb_ops = …; /* * rt73usb module information. */ static const struct usb_device_id rt73usb_device_table[] = …; MODULE_AUTHOR(…); MODULE_VERSION(…); MODULE_DESCRIPTION(…) …; MODULE_DEVICE_TABLE(usb, rt73usb_device_table); MODULE_FIRMWARE(…); MODULE_LICENSE(…) …; static int rt73usb_probe(struct usb_interface *usb_intf, const struct usb_device_id *id) { … } static struct usb_driver rt73usb_driver = …; module_usb_driver(…) …;
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