1// SPDX-License-Identifier: GPL-2.0-only
 2/*
 3 * Copyright (c) 2021 pureLiFi
 4 */
 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}