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1// SPDX-License-Identifier: GPL-2.0-only2/*3 * Copyright (c) 2021 pureLiFi4 */5 6#include <linux/kernel.h>7#include <linux/errno.h>8 9#include "chip.h"10#include "mac.h"11#include "usb.h"12 13void plfxlc_chip_init(struct plfxlc_chip *chip,14 struct ieee80211_hw *hw,15 struct usb_interface *intf)16{17 memset(chip, 0, sizeof(*chip));18 mutex_init(&chip->mutex);19 plfxlc_usb_init(&chip->usb, hw, intf);20}21 22void plfxlc_chip_release(struct plfxlc_chip *chip)23{24 plfxlc_usb_release(&chip->usb);25 mutex_destroy(&chip->mutex);26}27 28int plfxlc_set_beacon_interval(struct plfxlc_chip *chip, u16 interval,29 u8 dtim_period, int type)30{31 if (!interval ||32 (chip->beacon_set && chip->beacon_interval == interval))33 return 0;34 35 chip->beacon_interval = interval;36 chip->beacon_set = true;37 return plfxlc_usb_wreq(chip->usb.ez_usb,38 &chip->beacon_interval,39 sizeof(chip->beacon_interval),40 USB_REQ_BEACON_INTERVAL_WR);41}42 43int plfxlc_chip_init_hw(struct plfxlc_chip *chip)44{45 unsigned char *addr = plfxlc_mac_get_perm_addr(plfxlc_chip_to_mac(chip));46 struct usb_device *udev = interface_to_usbdev(chip->usb.intf);47 48 pr_info("plfxlc chip %04x:%04x v%02x %pM %s\n",49 le16_to_cpu(udev->descriptor.idVendor),50 le16_to_cpu(udev->descriptor.idProduct),51 le16_to_cpu(udev->descriptor.bcdDevice),52 addr,53 plfxlc_speed(udev->speed));54 55 return plfxlc_set_beacon_interval(chip, 100, 0, 0);56}57 58int plfxlc_chip_switch_radio(struct plfxlc_chip *chip, u16 value)59{60 int r;61 __le16 radio_on = cpu_to_le16(value);62 63 r = plfxlc_usb_wreq(chip->usb.ez_usb, &radio_on,64 sizeof(value), USB_REQ_POWER_WR);65 if (r)66 dev_err(plfxlc_chip_dev(chip), "POWER_WR failed (%d)\n", r);67 return r;68}69 70int plfxlc_chip_enable_rxtx(struct plfxlc_chip *chip)71{72 plfxlc_usb_enable_tx(&chip->usb);73 return plfxlc_usb_enable_rx(&chip->usb);74}75 76void plfxlc_chip_disable_rxtx(struct plfxlc_chip *chip)77{78 u8 value = 0;79 80 plfxlc_usb_wreq(chip->usb.ez_usb,81 &value, sizeof(value), USB_REQ_RXTX_WR);82 plfxlc_usb_disable_rx(&chip->usb);83 plfxlc_usb_disable_tx(&chip->usb);84}85 86int plfxlc_chip_set_rate(struct plfxlc_chip *chip, u8 rate)87{88 int r;89 90 if (!chip)91 return -EINVAL;92 93 r = plfxlc_usb_wreq(chip->usb.ez_usb,94 &rate, sizeof(rate), USB_REQ_RATE_WR);95 if (r)96 dev_err(plfxlc_chip_dev(chip), "RATE_WR failed (%d)\n", r);97 return r;98}99