// SPDX-License-Identifier: GPL-2.0-or-later /* * Copyright (C) 2008, cozybit Inc. * Copyright (C) 2003-2006, Marvell International Ltd. */ #define DRV_NAME … #define pr_fmt(fmt) … #include "libertas_tf.h" #include "if_usb.h" #include <linux/delay.h> #include <linux/module.h> #include <linux/firmware.h> #include <linux/netdevice.h> #include <linux/slab.h> #include <linux/usb.h> #define INSANEDEBUG … #define lbtf_deb_usb2(...) … #define MESSAGE_HEADER_LEN … static char *lbtf_fw_name = …; module_param_named(fw_name, lbtf_fw_name, charp, 0644); MODULE_FIRMWARE(…) …; static const struct usb_device_id if_usb_table[] = …; MODULE_DEVICE_TABLE(usb, if_usb_table); static void if_usb_receive(struct urb *urb); static void if_usb_receive_fwload(struct urb *urb); static int if_usb_prog_firmware(struct lbtf_private *priv); static int if_usb_host_to_card(struct lbtf_private *priv, uint8_t type, uint8_t *payload, uint16_t nb); static int usb_tx_block(struct if_usb_card *cardp, uint8_t *payload, uint16_t nb, u8 data); static void if_usb_free(struct if_usb_card *cardp); static int if_usb_submit_rx_urb(struct if_usb_card *cardp); static int if_usb_reset_device(struct lbtf_private *priv); /** * if_usb_write_bulk_callback - call back to handle URB status * * @urb: pointer to urb structure */ static void if_usb_write_bulk_callback(struct urb *urb) { … } /** * if_usb_free - free tx/rx urb, skb and rx buffer * * @cardp: pointer if_usb_card */ static void if_usb_free(struct if_usb_card *cardp) { … } static void if_usb_setup_firmware(struct lbtf_private *priv) { … } static void if_usb_fw_timeo(struct timer_list *t) { … } static const struct lbtf_ops if_usb_ops = …; /** * if_usb_probe - sets the configuration values * * @intf: USB interface structure * @id: pointer to usb_device_id * * Returns: 0 on success, error code on failure */ static int if_usb_probe(struct usb_interface *intf, const struct usb_device_id *id) { … } /** * if_usb_disconnect - free resource and cleanup * * @intf: USB interface structure */ static void if_usb_disconnect(struct usb_interface *intf) { … } /** * if_usb_send_fw_pkt - This function downloads the FW * * @cardp: pointer if_usb_card * * Returns: 0 */ static int if_usb_send_fw_pkt(struct if_usb_card *cardp) { … } static int if_usb_reset_device(struct lbtf_private *priv) { … } /** * usb_tx_block - transfer data to the device * * @cardp: pointer if_usb_card * @payload: pointer to payload data * @nb: data length * @data: non-zero for data, zero for commands * * Returns: 0 on success, nonzero otherwise. */ static int usb_tx_block(struct if_usb_card *cardp, uint8_t *payload, uint16_t nb, u8 data) { … } static int __if_usb_submit_rx_urb(struct if_usb_card *cardp, void (*callbackfn)(struct urb *urb)) { … } static int if_usb_submit_rx_urb_fwload(struct if_usb_card *cardp) { … } static int if_usb_submit_rx_urb(struct if_usb_card *cardp) { … } static void if_usb_receive_fwload(struct urb *urb) { … } #define MRVDRV_MIN_PKT_LEN … static inline void process_cmdtypedata(int recvlength, struct sk_buff *skb, struct if_usb_card *cardp, struct lbtf_private *priv) { … } static inline void process_cmdrequest(int recvlength, uint8_t *recvbuff, struct sk_buff *skb, struct if_usb_card *cardp, struct lbtf_private *priv) { … } /** * if_usb_receive - read data received from the device. * * @urb: pointer to struct urb */ static void if_usb_receive(struct urb *urb) { … } /** * if_usb_host_to_card - Download data to the device * * @priv: pointer to struct lbtf_private structure * @type: type of data * @payload: pointer to payload buffer * @nb: number of bytes * * Returns: 0 on success, nonzero otherwise */ static int if_usb_host_to_card(struct lbtf_private *priv, uint8_t type, uint8_t *payload, uint16_t nb) { … } /** * if_usb_issue_boot_command - Issue boot command to Boot2. * * @cardp: pointer if_usb_card * @ivalue: 1 boots from FW by USB-Download, 2 boots from FW in EEPROM. * * Returns: 0 */ static int if_usb_issue_boot_command(struct if_usb_card *cardp, int ivalue) { … } /** * check_fwfile_format - Check the validity of Boot2/FW image. * * @data: pointer to image * @totlen: image length * * Returns: 0 if the image is valid, nonzero otherwise. */ static int check_fwfile_format(const u8 *data, u32 totlen) { … } static int if_usb_prog_firmware(struct lbtf_private *priv) { … } #define if_usb_suspend … #define if_usb_resume … static struct usb_driver if_usb_driver = …; module_usb_driver(…) …; MODULE_DESCRIPTION(…) …; MODULE_AUTHOR(…) …; MODULE_LICENSE(…) …;
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