// SPDX-License-Identifier: GPL-2.0-or-later /* Copyright (C) 2004 - 2009 Ivo van Doorn <[email protected]> <http://rt2x00.serialmonkey.com> */ /* Module: rt2400pci Abstract: rt2400pci device specific routines. Supported chipsets: RT2460. */ #include <linux/delay.h> #include <linux/etherdevice.h> #include <linux/kernel.h> #include <linux/module.h> #include <linux/pci.h> #include <linux/eeprom_93cx6.h> #include <linux/slab.h> #include "rt2x00.h" #include "rt2x00mmio.h" #include "rt2x00pci.h" #include "rt2400pci.h" /* * Register access. * All access to the CSR registers will go through the methods * rt2x00mmio_register_read and rt2x00mmio_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 attempt. When the busy bit is still set at that time, * the access attempt is considered to have failed, * and we will print an error. */ #define WAIT_FOR_BBP(__dev, __reg) … #define WAIT_FOR_RF(__dev, __reg) … static void rt2400pci_bbp_write(struct rt2x00_dev *rt2x00dev, const unsigned int word, const u8 value) { … } static u8 rt2400pci_bbp_read(struct rt2x00_dev *rt2x00dev, const unsigned int word) { … } static void rt2400pci_rf_write(struct rt2x00_dev *rt2x00dev, const unsigned int word, const u32 value) { … } static void rt2400pci_eepromregister_read(struct eeprom_93cx6 *eeprom) { … } static void rt2400pci_eepromregister_write(struct eeprom_93cx6 *eeprom) { … } #ifdef CONFIG_RT2X00_LIB_DEBUGFS static const struct rt2x00debug rt2400pci_rt2x00debug = …; #endif /* CONFIG_RT2X00_LIB_DEBUGFS */ static int rt2400pci_rfkill_poll(struct rt2x00_dev *rt2x00dev) { … } #ifdef CONFIG_RT2X00_LIB_LEDS static void rt2400pci_brightness_set(struct led_classdev *led_cdev, enum led_brightness brightness) { … } static int rt2400pci_blink_set(struct led_classdev *led_cdev, unsigned long *delay_on, unsigned long *delay_off) { … } static void rt2400pci_init_led(struct rt2x00_dev *rt2x00dev, struct rt2x00_led *led, enum led_type type) { … } #endif /* CONFIG_RT2X00_LIB_LEDS */ /* * Configuration handlers. */ static void rt2400pci_config_filter(struct rt2x00_dev *rt2x00dev, const unsigned int filter_flags) { … } static void rt2400pci_config_intf(struct rt2x00_dev *rt2x00dev, struct rt2x00_intf *intf, struct rt2x00intf_conf *conf, const unsigned int flags) { … } static void rt2400pci_config_erp(struct rt2x00_dev *rt2x00dev, struct rt2x00lib_erp *erp, u32 changed) { … } static void rt2400pci_config_ant(struct rt2x00_dev *rt2x00dev, struct antenna_setup *ant) { … } static void rt2400pci_config_channel(struct rt2x00_dev *rt2x00dev, struct rf_channel *rf) { … } static void rt2400pci_config_txpower(struct rt2x00_dev *rt2x00dev, int txpower) { … } static void rt2400pci_config_retry_limit(struct rt2x00_dev *rt2x00dev, struct rt2x00lib_conf *libconf) { … } static void rt2400pci_config_ps(struct rt2x00_dev *rt2x00dev, struct rt2x00lib_conf *libconf) { … } static void rt2400pci_config(struct rt2x00_dev *rt2x00dev, struct rt2x00lib_conf *libconf, const unsigned int flags) { … } static void rt2400pci_config_cw(struct rt2x00_dev *rt2x00dev, const int cw_min, const int cw_max) { … } /* * Link tuning */ static void rt2400pci_link_stats(struct rt2x00_dev *rt2x00dev, struct link_qual *qual) { … } static inline void rt2400pci_set_vgc(struct rt2x00_dev *rt2x00dev, struct link_qual *qual, u8 vgc_level) { … } static void rt2400pci_reset_tuner(struct rt2x00_dev *rt2x00dev, struct link_qual *qual) { … } static void rt2400pci_link_tuner(struct rt2x00_dev *rt2x00dev, struct link_qual *qual, const u32 count) { … } /* * Queue handlers. */ static void rt2400pci_start_queue(struct data_queue *queue) { … } static void rt2400pci_kick_queue(struct data_queue *queue) { … } static void rt2400pci_stop_queue(struct data_queue *queue) { … } /* * Initialization functions. */ static bool rt2400pci_get_entry_state(struct queue_entry *entry) { … } static void rt2400pci_clear_entry(struct queue_entry *entry) { … } static int rt2400pci_init_queues(struct rt2x00_dev *rt2x00dev) { … } static int rt2400pci_init_registers(struct rt2x00_dev *rt2x00dev) { … } static int rt2400pci_wait_bbp_ready(struct rt2x00_dev *rt2x00dev) { … } static int rt2400pci_init_bbp(struct rt2x00_dev *rt2x00dev) { … } /* * Device state switch handlers. */ static void rt2400pci_toggle_irq(struct rt2x00_dev *rt2x00dev, enum dev_state state) { … } static int rt2400pci_enable_radio(struct rt2x00_dev *rt2x00dev) { … } static void rt2400pci_disable_radio(struct rt2x00_dev *rt2x00dev) { … } static int rt2400pci_set_state(struct rt2x00_dev *rt2x00dev, enum dev_state state) { … } static int rt2400pci_set_device_state(struct rt2x00_dev *rt2x00dev, enum dev_state state) { … } /* * TX descriptor initialization */ static void rt2400pci_write_tx_desc(struct queue_entry *entry, struct txentry_desc *txdesc) { … } /* * TX data initialization */ static void rt2400pci_write_beacon(struct queue_entry *entry, struct txentry_desc *txdesc) { … } /* * RX control handlers */ static void rt2400pci_fill_rxdone(struct queue_entry *entry, struct rxdone_entry_desc *rxdesc) { … } /* * Interrupt functions. */ static void rt2400pci_txdone(struct rt2x00_dev *rt2x00dev, const enum data_queue_qid queue_idx) { … } static inline void rt2400pci_enable_interrupt(struct rt2x00_dev *rt2x00dev, struct rt2x00_field32 irq_field) { … } static void rt2400pci_txstatus_tasklet(struct tasklet_struct *t) { … } static void rt2400pci_tbtt_tasklet(struct tasklet_struct *t) { … } static void rt2400pci_rxdone_tasklet(struct tasklet_struct *t) { … } static irqreturn_t rt2400pci_interrupt(int irq, void *dev_instance) { … } /* * Device probe functions. */ static int rt2400pci_validate_eeprom(struct rt2x00_dev *rt2x00dev) { … } static int rt2400pci_init_eeprom(struct rt2x00_dev *rt2x00dev) { … } /* * RF value list for RF2420 & RF2421 * Supports: 2.4 GHz */ static const struct rf_channel rf_vals_b[] = …; static int rt2400pci_probe_hw_mode(struct rt2x00_dev *rt2x00dev) { … } static int rt2400pci_probe_hw(struct rt2x00_dev *rt2x00dev) { … } /* * IEEE80211 stack callback functions. */ static int rt2400pci_conf_tx(struct ieee80211_hw *hw, struct ieee80211_vif *vif, unsigned int link_id, u16 queue, const struct ieee80211_tx_queue_params *params) { … } static u64 rt2400pci_get_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif) { … } static int rt2400pci_tx_last_beacon(struct ieee80211_hw *hw) { … } static const struct ieee80211_ops rt2400pci_mac80211_ops = …; static const struct rt2x00lib_ops rt2400pci_rt2x00_ops = …; static void rt2400pci_queue_init(struct data_queue *queue) { … } static const struct rt2x00_ops rt2400pci_ops = …; /* * RT2400pci module information. */ static const struct pci_device_id rt2400pci_device_table[] = …; MODULE_AUTHOR(…); MODULE_VERSION(…); MODULE_DESCRIPTION(…) …; MODULE_DEVICE_TABLE(pci, rt2400pci_device_table); MODULE_LICENSE(…) …; static int rt2400pci_probe(struct pci_dev *pci_dev, const struct pci_device_id *id) { … } static struct pci_driver rt2400pci_driver = …; module_pci_driver(…) …;
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