// SPDX-License-Identifier: GPL-2.0-only
/*
 * Copyright (c) 2021 pureLiFi
 */

#include <linux/kernel.h>
#include <linux/errno.h>

#include "chip.h"
#include "mac.h"
#include "usb.h"

void plfxlc_chip_init(struct plfxlc_chip *chip,
                      struct ieee80211_hw *hw,
                      struct usb_interface *intf)
{
        memset(chip, 0, sizeof(*chip));
        mutex_init(&chip->mutex);
        plfxlc_usb_init(&chip->usb, hw, intf);
}

void plfxlc_chip_release(struct plfxlc_chip *chip)
{
        plfxlc_usb_release(&chip->usb);
        mutex_destroy(&chip->mutex);
}

int plfxlc_set_beacon_interval(struct plfxlc_chip *chip, u16 interval,
                               u8 dtim_period, int type)
{
        if (!interval ||
            (chip->beacon_set && chip->beacon_interval == interval))
                return 0;

        chip->beacon_interval = interval;
        chip->beacon_set = true;
        return plfxlc_usb_wreq(chip->usb.ez_usb,
                               &chip->beacon_interval,
                               sizeof(chip->beacon_interval),
                               USB_REQ_BEACON_INTERVAL_WR);
}

int plfxlc_chip_init_hw(struct plfxlc_chip *chip)
{
        unsigned char *addr = plfxlc_mac_get_perm_addr(plfxlc_chip_to_mac(chip));
        struct usb_device *udev = interface_to_usbdev(chip->usb.intf);

        pr_info("plfxlc chip %04x:%04x v%02x %pM %s\n",
                le16_to_cpu(udev->descriptor.idVendor),
                le16_to_cpu(udev->descriptor.idProduct),
                le16_to_cpu(udev->descriptor.bcdDevice),
                addr,
                plfxlc_speed(udev->speed));

        return plfxlc_set_beacon_interval(chip, 100, 0, 0);
}

int plfxlc_chip_switch_radio(struct plfxlc_chip *chip, u16 value)
{
        int r;
        __le16 radio_on = cpu_to_le16(value);

        r = plfxlc_usb_wreq(chip->usb.ez_usb, &radio_on,
                            sizeof(value), USB_REQ_POWER_WR);
        if (r)
                dev_err(plfxlc_chip_dev(chip), "POWER_WR failed (%d)\n", r);
        return r;
}

int plfxlc_chip_enable_rxtx(struct plfxlc_chip *chip)
{
        plfxlc_usb_enable_tx(&chip->usb);
        return plfxlc_usb_enable_rx(&chip->usb);
}

void plfxlc_chip_disable_rxtx(struct plfxlc_chip *chip)
{
        u8 value = 0;

        plfxlc_usb_wreq(chip->usb.ez_usb,
                        &value, sizeof(value), USB_REQ_RXTX_WR);
        plfxlc_usb_disable_rx(&chip->usb);
        plfxlc_usb_disable_tx(&chip->usb);
}

int plfxlc_chip_set_rate(struct plfxlc_chip *chip, u8 rate)
{
        int r;

        if (!chip)
                return -EINVAL;

        r = plfxlc_usb_wreq(chip->usb.ez_usb,
                            &rate, sizeof(rate), USB_REQ_RATE_WR);
        if (r)
                dev_err(plfxlc_chip_dev(chip), "RATE_WR failed (%d)\n", r);
        return r;
}