// SPDX-License-Identifier: GPL-2.0+ /* * Copyright (c) 1996, 2003 VIA Networking Technologies, Inc. * All rights reserved. * * Purpose: driver entry for initial, open, close, tx and rx. * * Author: Lyndon Chen * * Date: Jan 8, 2003 * * Functions: * * vt6655_probe - module initial (insmod) driver entry * vt6655_remove - module remove entry * device_free_info - device structure resource free function * device_print_info - print out resource * device_rx_srv - rx service function * device_alloc_rx_buf - rx buffer pre-allocated function * device_free_rx_buf - free rx buffer function * device_free_tx_buf - free tx buffer function * device_init_rd0_ring - initial rd dma0 ring * device_init_rd1_ring - initial rd dma1 ring * device_init_td0_ring - initial tx dma0 ring buffer * device_init_td1_ring - initial tx dma1 ring buffer * device_init_registers - initial MAC & BBP & RF internal registers. * device_init_rings - initial tx/rx ring buffer * device_free_rings - free all allocated ring buffer * device_tx_srv - tx interrupt service function * * Revision History: */ #include <linux/file.h> #include "device.h" #include "card.h" #include "channel.h" #include "baseband.h" #include "mac.h" #include "power.h" #include "rxtx.h" #include "dpc.h" #include "rf.h" #include <linux/delay.h> #include <linux/kthread.h> #include <linux/slab.h> /*--------------------- Static Definitions -------------------------*/ /* * Define module options */ MODULE_AUTHOR(…) …; MODULE_LICENSE(…) …; MODULE_DESCRIPTION(…) …; #define DEVICE_PARAM(N, D) … #define RX_DESC_MIN0 … #define RX_DESC_MAX0 … #define RX_DESC_DEF0 … DEVICE_PARAM(RxDescriptors0, "Number of receive descriptors0"); #define RX_DESC_MIN1 … #define RX_DESC_MAX1 … #define RX_DESC_DEF1 … DEVICE_PARAM(RxDescriptors1, "Number of receive descriptors1"); #define TX_DESC_MIN0 … #define TX_DESC_MAX0 … #define TX_DESC_DEF0 … DEVICE_PARAM(TxDescriptors0, "Number of transmit descriptors0"); #define TX_DESC_MIN1 … #define TX_DESC_MAX1 … #define TX_DESC_DEF1 … DEVICE_PARAM(TxDescriptors1, "Number of transmit descriptors1"); #define INT_WORKS_DEF … #define INT_WORKS_MIN … #define INT_WORKS_MAX … DEVICE_PARAM(int_works, "Number of packets per interrupt services"); #define RTS_THRESH_DEF … #define FRAG_THRESH_DEF … #define SHORT_RETRY_MIN … #define SHORT_RETRY_MAX … #define SHORT_RETRY_DEF … DEVICE_PARAM(ShortRetryLimit, "Short frame retry limits"); #define LONG_RETRY_MIN … #define LONG_RETRY_MAX … #define LONG_RETRY_DEF … DEVICE_PARAM(LongRetryLimit, "long frame retry limits"); /* BasebandType[] baseband type selected * 0: indicate 802.11a type * 1: indicate 802.11b type * 2: indicate 802.11g type */ #define BBP_TYPE_MIN … #define BBP_TYPE_MAX … #define BBP_TYPE_DEF … DEVICE_PARAM(BasebandType, "baseband type"); /* * Static vars definitions */ static const struct pci_device_id vt6655_pci_id_table[] = …; /*--------------------- Static Functions --------------------------*/ static int vt6655_probe(struct pci_dev *pcid, const struct pci_device_id *ent); static void device_free_info(struct vnt_private *priv); static void device_print_info(struct vnt_private *priv); static void vt6655_mac_write_bssid_addr(void __iomem *iobase, const u8 *mac_addr); static void vt6655_mac_read_ether_addr(void __iomem *iobase, u8 *mac_addr); static int device_init_rd0_ring(struct vnt_private *priv); static int device_init_rd1_ring(struct vnt_private *priv); static int device_init_td0_ring(struct vnt_private *priv); static int device_init_td1_ring(struct vnt_private *priv); static int device_rx_srv(struct vnt_private *priv, unsigned int idx); static int device_tx_srv(struct vnt_private *priv, unsigned int idx); static bool device_alloc_rx_buf(struct vnt_private *, struct vnt_rx_desc *); static void device_free_rx_buf(struct vnt_private *priv, struct vnt_rx_desc *rd); static void device_init_registers(struct vnt_private *priv); static void device_free_tx_buf(struct vnt_private *, struct vnt_tx_desc *); static void device_free_td0_ring(struct vnt_private *priv); static void device_free_td1_ring(struct vnt_private *priv); static void device_free_rd0_ring(struct vnt_private *priv); static void device_free_rd1_ring(struct vnt_private *priv); static void device_free_rings(struct vnt_private *priv); /*--------------------- Export Variables --------------------------*/ /*--------------------- Export Functions --------------------------*/ static void vt6655_remove(struct pci_dev *pcid) { … } static void device_get_options(struct vnt_private *priv) { … } static void device_set_options(struct vnt_private *priv) { … } static void vt6655_mac_write_bssid_addr(void __iomem *iobase, const u8 *mac_addr) { … } static void vt6655_mac_read_ether_addr(void __iomem *iobase, u8 *mac_addr) { … } static void vt6655_mac_dma_ctl(void __iomem *iobase, u8 reg_index) { … } static void vt6655_mac_set_bits(void __iomem *iobase, u32 mask) { … } static void vt6655_mac_clear_bits(void __iomem *iobase, u32 mask) { … } static void vt6655_mac_en_protect_md(void __iomem *iobase) { … } static void vt6655_mac_dis_protect_md(void __iomem *iobase) { … } static void vt6655_mac_en_barker_preamble_md(void __iomem *iobase) { … } static void vt6655_mac_dis_barker_preamble_md(void __iomem *iobase) { … } /* * Initialisation of MAC & BBP registers */ static void device_init_registers(struct vnt_private *priv) { … } static void device_print_info(struct vnt_private *priv) { … } static void device_free_info(struct vnt_private *priv) { … } static bool device_init_rings(struct vnt_private *priv) { … } static void device_free_rings(struct vnt_private *priv) { … } static int device_init_rd0_ring(struct vnt_private *priv) { … } static int device_init_rd1_ring(struct vnt_private *priv) { … } static void device_free_rd0_ring(struct vnt_private *priv) { … } static void device_free_rd1_ring(struct vnt_private *priv) { … } static int device_init_td0_ring(struct vnt_private *priv) { … } static int device_init_td1_ring(struct vnt_private *priv) { … } static void device_free_td0_ring(struct vnt_private *priv) { … } static void device_free_td1_ring(struct vnt_private *priv) { … } /*-----------------------------------------------------------------*/ static int device_rx_srv(struct vnt_private *priv, unsigned int idx) { … } static bool device_alloc_rx_buf(struct vnt_private *priv, struct vnt_rx_desc *rd) { … } static void device_free_rx_buf(struct vnt_private *priv, struct vnt_rx_desc *rd) { … } static const u8 fallback_rate0[5][5] = …; static const u8 fallback_rate1[5][5] = …; static int vnt_int_report_rate(struct vnt_private *priv, struct vnt_td_info *context, u8 tsr0, u8 tsr1) { … } static int device_tx_srv(struct vnt_private *priv, unsigned int idx) { … } static void device_error(struct vnt_private *priv, unsigned short status) { … } static void device_free_tx_buf(struct vnt_private *priv, struct vnt_tx_desc *desc) { … } static void vnt_check_bb_vga(struct vnt_private *priv) { … } static void vnt_interrupt_process(struct vnt_private *priv) { … } static void vnt_interrupt_work(struct work_struct *work) { … } static irqreturn_t vnt_interrupt(int irq, void *arg) { … } static int vnt_tx_packet(struct vnt_private *priv, struct sk_buff *skb) { … } static void vnt_tx_80211(struct ieee80211_hw *hw, struct ieee80211_tx_control *control, struct sk_buff *skb) { … } static int vnt_start(struct ieee80211_hw *hw) { … } static void vnt_stop(struct ieee80211_hw *hw, bool suspend) { … } static int vnt_add_interface(struct ieee80211_hw *hw, struct ieee80211_vif *vif) { … } static void vnt_remove_interface(struct ieee80211_hw *hw, struct ieee80211_vif *vif) { … } static int vnt_config(struct ieee80211_hw *hw, u32 changed) { … } static void vnt_bss_info_changed(struct ieee80211_hw *hw, struct ieee80211_vif *vif, struct ieee80211_bss_conf *conf, u64 changed) { … } static u64 vnt_prepare_multicast(struct ieee80211_hw *hw, struct netdev_hw_addr_list *mc_list) { … } static void vnt_configure(struct ieee80211_hw *hw, unsigned int changed_flags, unsigned int *total_flags, u64 multicast) { … } static int vnt_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, struct ieee80211_vif *vif, struct ieee80211_sta *sta, struct ieee80211_key_conf *key) { … } static int vnt_get_stats(struct ieee80211_hw *hw, struct ieee80211_low_level_stats *stats) { … } static u64 vnt_get_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif) { … } static void vnt_set_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif, u64 tsf) { … } static void vnt_reset_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif) { … } static const struct ieee80211_ops vnt_mac_ops = …; static int vnt_init(struct vnt_private *priv) { … } static int vt6655_probe(struct pci_dev *pcid, const struct pci_device_id *ent) { … } /*------------------------------------------------------------------*/ static int __maybe_unused vt6655_suspend(struct device *dev_d) { … } static int __maybe_unused vt6655_resume(struct device *dev_d) { … } MODULE_DEVICE_TABLE(…); static SIMPLE_DEV_PM_OPS(vt6655_pm_ops, vt6655_suspend, vt6655_resume); static struct pci_driver device_driver = …; module_pci_driver(…) …;
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