linuxdebug/drivers/net/wireless/purelifi/plfxlc/chip.c

99 lines
2.3 KiB
C

// 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;
}