1/*-
2 * Copyright (c) 2016 Adrian Chadd <adrian@freebsd.org>
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 *    notice, this list of conditions and the following disclaimer,
10 *    without modification.
11 * 2. Redistributions in binary form must reproduce at minimum a disclaimer
12 *    similar to the "NO WARRANTY" disclaimer below ("Disclaimer") and any
13 *    redistribution must be conditioned upon including a substantially
14 *    similar Disclaimer requirement for further binary redistribution.
15 *
16 * NO WARRANTY
17 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
18 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
19 * LIMITED TO, THE IMPLIED WARRANTIES OF NONINFRINGEMENT, MERCHANTIBILITY
20 * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
21 * THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY,
22 * OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
23 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
24 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
25 * IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
26 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
27 * THE POSSIBILITY OF SUCH DAMAGES.
28 */
29
30#include <sys/cdefs.h>
31__FBSDID("$FreeBSD$");
32
33/*
34 * This is the top-level N-PHY support for the Broadcom softmac driver.
35 */
36
37#include "opt_bwn.h"
38#include "opt_wlan.h"
39
40#include <sys/param.h>
41#include <sys/systm.h>
42#include <sys/kernel.h>
43#include <sys/malloc.h>
44#include <sys/module.h>
45#include <sys/endian.h>
46#include <sys/errno.h>
47#include <sys/firmware.h>
48#include <sys/lock.h>
49#include <sys/mutex.h>
50#include <machine/bus.h>
51#include <machine/resource.h>
52#include <sys/bus.h>
53#include <sys/rman.h>
54#include <sys/socket.h>
55#include <sys/sockio.h>
56
57#include <net/ethernet.h>
58#include <net/if.h>
59#include <net/if_var.h>
60#include <net/if_arp.h>
61#include <net/if_dl.h>
62#include <net/if_llc.h>
63#include <net/if_media.h>
64#include <net/if_types.h>
65
66#include <dev/pci/pcivar.h>
67#include <dev/pci/pcireg.h>
68
69#include <net80211/ieee80211_var.h>
70#include <net80211/ieee80211_radiotap.h>
71#include <net80211/ieee80211_regdomain.h>
72#include <net80211/ieee80211_phy.h>
73#include <net80211/ieee80211_ratectl.h>
74
75#include <dev/bwn/if_bwnreg.h>
76#include <dev/bwn/if_bwnvar.h>
77
78#include <dev/bwn/if_bwn_debug.h>
79#include <dev/bwn/if_bwn_misc.h>
80#include <dev/bwn/if_bwn_phy_n.h>
81
82#ifdef	BWN_GPL_PHY
83#include <gnu/dev/bwn/phy_n/if_bwn_phy_n_tables.h>
84#include <gnu/dev/bwn/phy_n/if_bwn_phy_n_ppr.h>
85#include <gnu/dev/bwn/phy_n/if_bwn_phy_n_core.h>
86#endif
87
88/*
89 * This module is always compiled into the kernel, regardless of
90 * whether the GPL PHY is enabled.  If the GPL PHY isn't enabled
91 * then it'll just be stubs that will fail to attach.
92 */
93
94int
95bwn_phy_n_attach(struct bwn_mac *mac)
96{
97
98#ifdef	BWN_GPL_PHY
99	return bwn_nphy_op_allocate(mac);
100#else
101	device_printf(mac->mac_sc->sc_dev,
102	    "%s: BWN_GPL_PHY not in kernel config; "
103	    "no PHY-N support\n", __func__);
104	return (ENXIO);
105#endif
106}
107
108void
109bwn_phy_n_detach(struct bwn_mac *mac)
110{
111
112#ifdef	BWN_GPL_PHY
113	return bwn_nphy_op_free(mac);
114#endif
115}
116
117int
118bwn_phy_n_prepare_hw(struct bwn_mac *mac)
119{
120
121#ifdef	BWN_GPL_PHY
122	return (bwn_nphy_op_prepare_structs(mac));
123#else
124	return (ENXIO);
125#endif
126}
127
128void
129bwn_phy_n_init_pre(struct bwn_mac *mac)
130{
131
132	/* XXX TODO */
133}
134
135int
136bwn_phy_n_init(struct bwn_mac *mac)
137{
138#ifdef	BWN_GPL_PHY
139	return bwn_nphy_op_init(mac);
140#else
141	return (ENXIO);
142#endif
143}
144
145void
146bwn_phy_n_exit(struct bwn_mac *mac)
147{
148
149	/* XXX TODO */
150}
151
152uint16_t
153bwn_phy_n_read(struct bwn_mac *mac, uint16_t reg)
154{
155
156	BWN_WRITE_2(mac, BWN_PHYCTL, reg);
157	return BWN_READ_2(mac, BWN_PHYDATA);
158}
159
160void
161bwn_phy_n_write(struct bwn_mac *mac, uint16_t reg, uint16_t value)
162{
163
164	BWN_WRITE_2(mac, BWN_PHYCTL, reg);
165	BWN_WRITE_2(mac, BWN_PHYDATA, value);
166}
167
168uint16_t
169bwn_phy_n_rf_read(struct bwn_mac *mac, uint16_t reg)
170{
171
172	/* Register 1 is a 32-bit register. */
173	if (mac->mac_phy.rev < 7 && reg == 1) {
174		BWN_ERRPRINTF(mac->mac_sc, "%s: bad reg access\n", __func__);
175	}
176
177	if (mac->mac_phy.rev >= 7)
178		reg |= 0x200;	 /* radio 0x2057 */
179	else
180		reg |= 0x100;
181
182	BWN_WRITE_2(mac, BWN_RFCTL, reg);
183	return BWN_READ_2(mac, BWN_RFDATALO);
184}
185
186void
187bwn_phy_n_rf_write(struct bwn_mac *mac, uint16_t reg, uint16_t value)
188{
189
190	/* Register 1 is a 32-bit register. */
191	if (mac->mac_phy.rev < 7 && reg == 1) {
192		BWN_ERRPRINTF(mac->mac_sc, "%s: bad reg access\n", __func__);
193	}
194
195	BWN_WRITE_2(mac, BWN_RFCTL, reg);
196	BWN_WRITE_2(mac, BWN_RFDATALO, value);
197}
198
199int
200bwn_phy_n_hwpctl(struct bwn_mac *mac)
201{
202
203	return (0);
204}
205
206void
207bwn_phy_n_rf_onoff(struct bwn_mac *mac, int on)
208{
209#ifdef	BWN_GPL_PHY
210	bwn_nphy_op_software_rfkill(mac, on);
211#endif
212}
213
214void
215bwn_phy_n_switch_analog(struct bwn_mac *mac, int on)
216{
217#ifdef	BWN_GPL_PHY
218	bwn_nphy_op_switch_analog(mac, on);
219#endif
220}
221
222int
223bwn_phy_n_switch_channel(struct bwn_mac *mac, uint32_t newchan)
224{
225#ifdef	BWN_GPL_PHY
226	return bwn_nphy_op_switch_channel(mac, newchan);
227#else
228	return (ENXIO);
229#endif
230}
231
232uint32_t
233bwn_phy_n_get_default_chan(struct bwn_mac *mac)
234{
235
236	if (bwn_current_band(mac) == BWN_BAND_2G)
237		return (1);
238	return (36);
239}
240
241void
242bwn_phy_n_set_antenna(struct bwn_mac *mac, int antenna)
243{
244	/* XXX TODO */
245}
246
247int
248bwn_phy_n_im(struct bwn_mac *mac, int mode)
249{
250	/* XXX TODO */
251	return (0);
252}
253
254bwn_txpwr_result_t
255bwn_phy_n_recalc_txpwr(struct bwn_mac *mac, int ignore_tssi)
256{
257#ifdef	BWN_GPL_PHY
258	return bwn_nphy_op_recalc_txpower(mac, ignore_tssi);
259#else
260	return (BWN_TXPWR_RES_DONE);
261#endif
262}
263
264void
265bwn_phy_n_set_txpwr(struct bwn_mac *mac)
266{
267
268}
269
270void
271bwn_phy_n_task_15s(struct bwn_mac *mac)
272{
273
274}
275
276void
277bwn_phy_n_task_60s(struct bwn_mac *mac)
278{
279
280}
281