| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| Daniel Drake | 843 | 86.73% | 5 | 25.00% |
| Jussi Kivilinna | 110 | 11.32% | 11 | 55.00% |
| Eric Dumazet | 7 | 0.72% | 1 | 5.00% |
| Ulrich Kunitz | 6 | 0.62% | 1 | 5.00% |
| Gustavo A. R. Silva | 4 | 0.41% | 1 | 5.00% |
| Thomas Gleixner | 2 | 0.21% | 1 | 5.00% |
| Total | 972 | 20 |
/* SPDX-License-Identifier: GPL-2.0-or-later */ /* ZD1211 USB-WLAN driver for Linux * * Copyright (C) 2005-2007 Ulrich Kunitz <kune@deine-taler.de> * Copyright (C) 2006-2007 Daniel Drake <dsd@gentoo.org> */ #ifndef _ZD_USB_H #define _ZD_USB_H #include <linux/completion.h> #include <linux/netdevice.h> #include <linux/spinlock.h> #include <linux/skbuff.h> #include <linux/usb.h> #include "zd_def.h" #define ZD_USB_TX_HIGH 5 #define ZD_USB_TX_LOW 2 #define ZD_TX_TIMEOUT (HZ * 5) #define ZD_TX_WATCHDOG_INTERVAL round_jiffies_relative(HZ) #define ZD_RX_IDLE_INTERVAL round_jiffies_relative(30 * HZ) enum devicetype { DEVICE_ZD1211 = 0, DEVICE_ZD1211B = 1, DEVICE_INSTALLER = 2, }; enum endpoints { EP_CTRL = 0, EP_DATA_OUT = 1, EP_DATA_IN = 2, EP_INT_IN = 3, EP_REGS_OUT = 4, }; enum { USB_MAX_TRANSFER_SIZE = 4096, /* bytes */ /* FIXME: The original driver uses this value. We have to check, * whether the MAX_TRANSFER_SIZE is sufficient and this needs only be * used if one combined frame is split over two USB transactions. */ USB_MAX_RX_SIZE = 4800, /* bytes */ USB_MAX_IOWRITE16_COUNT = 15, USB_MAX_IOWRITE32_COUNT = USB_MAX_IOWRITE16_COUNT/2, USB_MAX_IOREAD16_COUNT = 15, USB_MAX_IOREAD32_COUNT = USB_MAX_IOREAD16_COUNT/2, USB_MIN_RFWRITE_BIT_COUNT = 16, USB_MAX_RFWRITE_BIT_COUNT = 28, USB_MAX_EP_INT_BUFFER = 64, USB_ZD1211B_BCD_DEVICE = 0x4810, }; enum control_requests { USB_REQ_WRITE_REGS = 0x21, USB_REQ_READ_REGS = 0x22, USB_REQ_WRITE_RF = 0x23, USB_REQ_PROG_FLASH = 0x24, USB_REQ_EEPROM_START = 0x0128, /* ? request is a byte */ USB_REQ_EEPROM_MID = 0x28, USB_REQ_EEPROM_END = 0x0228, /* ? request is a byte */ USB_REQ_FIRMWARE_DOWNLOAD = 0x30, USB_REQ_FIRMWARE_CONFIRM = 0x31, USB_REQ_FIRMWARE_READ_DATA = 0x32, }; struct usb_req_read_regs { __le16 id; __le16 addr[]; } __packed; struct reg_data { __le16 addr; __le16 value; } __packed; struct usb_req_write_regs { __le16 id; struct reg_data reg_writes[]; } __packed; enum { RF_IF_LE = 0x02, RF_CLK = 0x04, RF_DATA = 0x08, }; struct usb_req_rfwrite { __le16 id; __le16 value; /* 1: 3683a */ /* 2: other (default) */ __le16 bits; /* RF2595: 24 */ __le16 bit_values[]; /* (ZD_CR203 & ~(RF_IF_LE | RF_CLK | RF_DATA)) | (bit ? RF_DATA : 0) */ } __packed; /* USB interrupt */ enum usb_int_id { USB_INT_TYPE = 0x01, USB_INT_ID_REGS = 0x90, USB_INT_ID_RETRY_FAILED = 0xa0, }; enum usb_int_flags { USB_INT_READ_REGS_EN = 0x01, }; struct usb_int_header { u8 type; /* must always be 1 */ u8 id; } __packed; struct usb_int_regs { struct usb_int_header hdr; struct reg_data regs[]; } __packed; struct usb_int_retry_fail { struct usb_int_header hdr; u8 new_rate; u8 _dummy; u8 addr[ETH_ALEN]; u8 ibss_wakeup_dest; } __packed; struct read_regs_int { struct completion completion; struct usb_req_read_regs *req; unsigned int req_count; /* Stores the USB int structure and contains the USB address of the * first requested register before request. */ u8 buffer[USB_MAX_EP_INT_BUFFER]; int length; __le16 cr_int_addr; }; struct zd_ioreq16 { zd_addr_t addr; u16 value; }; struct zd_ioreq32 { zd_addr_t addr; u32 value; }; struct zd_usb_interrupt { struct read_regs_int read_regs; spinlock_t lock; struct urb *urb; void *buffer; dma_addr_t buffer_dma; int interval; atomic_t read_regs_enabled; u8 read_regs_int_overridden:1; }; static inline struct usb_int_regs *get_read_regs(struct zd_usb_interrupt *intr) { return (struct usb_int_regs *)intr->read_regs.buffer; } #define RX_URBS_COUNT 5 struct zd_usb_rx { spinlock_t lock; struct mutex setup_mutex; struct delayed_work idle_work; struct tasklet_struct reset_timer_tasklet; u8 fragment[2 * USB_MAX_RX_SIZE]; unsigned int fragment_length; unsigned int usb_packet_size; struct urb **urbs; int urbs_count; }; /** * struct zd_usb_tx - structure used for transmitting frames * @enabled: atomic enabled flag, indicates whether tx is enabled * @lock: lock for transmission * @submitted: anchor for URBs sent to device * @submitted_urbs: atomic integer that counts the URBs having sent to the * device, which haven't been completed * @stopped: indicates whether higher level tx queues are stopped */ struct zd_usb_tx { atomic_t enabled; spinlock_t lock; struct delayed_work watchdog_work; struct sk_buff_head submitted_skbs; struct usb_anchor submitted; int submitted_urbs; u8 stopped:1, watchdog_enabled:1; }; /* Contains the usb parts. The structure doesn't require a lock because intf * will not be changed after initialization. */ struct zd_usb { struct zd_usb_interrupt intr; struct zd_usb_rx rx; struct zd_usb_tx tx; struct usb_interface *intf; struct usb_anchor submitted_cmds; struct urb *urb_async_waiting; int cmd_error; u8 req_buf[64]; /* zd_usb_iowrite16v needs 62 bytes */ u8 is_zd1211b:1, initialized:1, was_running:1, in_async:1; }; #define zd_usb_dev(usb) (&usb->intf->dev) static inline struct usb_device *zd_usb_to_usbdev(struct zd_usb *usb) { return interface_to_usbdev(usb->intf); } static inline struct ieee80211_hw *zd_intf_to_hw(struct usb_interface *intf) { return usb_get_intfdata(intf); } static inline struct ieee80211_hw *zd_usb_to_hw(struct zd_usb *usb) { return zd_intf_to_hw(usb->intf); } void zd_usb_init(struct zd_usb *usb, struct ieee80211_hw *hw, struct usb_interface *intf); int zd_usb_init_hw(struct zd_usb *usb); void zd_usb_clear(struct zd_usb *usb); int zd_usb_scnprint_id(struct zd_usb *usb, char *buffer, size_t size); void zd_tx_watchdog_enable(struct zd_usb *usb); void zd_tx_watchdog_disable(struct zd_usb *usb); int zd_usb_enable_int(struct zd_usb *usb); void zd_usb_disable_int(struct zd_usb *usb); int zd_usb_enable_rx(struct zd_usb *usb); void zd_usb_disable_rx(struct zd_usb *usb); void zd_usb_reset_rx_idle_timer(struct zd_usb *usb); void zd_usb_enable_tx(struct zd_usb *usb); void zd_usb_disable_tx(struct zd_usb *usb); int zd_usb_tx(struct zd_usb *usb, struct sk_buff *skb); int zd_usb_ioread16v(struct zd_usb *usb, u16 *values, const zd_addr_t *addresses, unsigned int count); static inline int zd_usb_ioread16(struct zd_usb *usb, u16 *value, const zd_addr_t addr) { return zd_usb_ioread16v(usb, value, &addr, 1); } void zd_usb_iowrite16v_async_start(struct zd_usb *usb); int zd_usb_iowrite16v_async_end(struct zd_usb *usb, unsigned int timeout); int zd_usb_iowrite16v_async(struct zd_usb *usb, const struct zd_ioreq16 *ioreqs, unsigned int count); int zd_usb_iowrite16v(struct zd_usb *usb, const struct zd_ioreq16 *ioreqs, unsigned int count); int zd_usb_rfwrite(struct zd_usb *usb, u32 value, u8 bits); int zd_usb_read_fw(struct zd_usb *usb, zd_addr_t addr, u8 *data, u16 len); extern struct workqueue_struct *zd_workqueue; #endif /* _ZD_USB_H */
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