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#include <dev/siba/siba_ids.h>
69#include <dev/siba/sibareg.h>
70#include <dev/siba/sibavar.h>
71
72#include <net80211/ieee80211_var.h>
73#include <net80211/ieee80211_radiotap.h>
74#include <net80211/ieee80211_regdomain.h>
75#include <net80211/ieee80211_phy.h>
76#include <net80211/ieee80211_ratectl.h>
77
78#include <dev/bwn/if_bwnreg.h>
79#include <dev/bwn/if_bwnvar.h>
80
81#include <dev/bwn/if_bwn_debug.h>
82#include <dev/bwn/if_bwn_misc.h>
83#include <dev/bwn/if_bwn_phy_n.h>
84
85#ifdef	BWN_GPL_PHY
86#include <gnu/dev/bwn/phy_n/if_bwn_phy_n_tables.h>
87#include <gnu/dev/bwn/phy_n/if_bwn_phy_n_ppr.h>
88#include <gnu/dev/bwn/phy_n/if_bwn_phy_n_core.h>
89#endif
90
91/*
92 * This module is always compiled into the kernel, regardless of
93 * whether the GPL PHY is enabled.  If the GPL PHY isn't enabled
94 * then it'll just be stubs that will fail to attach.
95 */
96
97int
98bwn_phy_n_attach(struct bwn_mac *mac)
99{
100
101#ifdef	BWN_GPL_PHY
102	return bwn_nphy_op_allocate(mac);
103#else
104	device_printf(mac->mac_sc->sc_dev,
105	    "%s: BWN_GPL_PHY not in kernel config; "
106	    "no PHY-N support\n", __func__);
107	return (ENXIO);
108#endif
109}
110
111void
112bwn_phy_n_detach(struct bwn_mac *mac)
113{
114
115#ifdef	BWN_GPL_PHY
116	return bwn_nphy_op_free(mac);
117#endif
118}
119
120int
121bwn_phy_n_prepare_hw(struct bwn_mac *mac)
122{
123
124#ifdef	BWN_GPL_PHY
125	bwn_nphy_op_prepare_structs(mac);
126	return (0);
127#else
128	return (ENXIO);
129#endif
130}
131
132void
133bwn_phy_n_init_pre(struct bwn_mac *mac)
134{
135
136	/* XXX TODO */
137}
138
139int
140bwn_phy_n_init(struct bwn_mac *mac)
141{
142#ifdef	BWN_GPL_PHY
143	return bwn_nphy_op_init(mac);
144#else
145	return (ENXIO);
146#endif
147}
148
149void
150bwn_phy_n_exit(struct bwn_mac *mac)
151{
152
153	/* XXX TODO */
154}
155
156uint16_t
157bwn_phy_n_read(struct bwn_mac *mac, uint16_t reg)
158{
159
160	BWN_WRITE_2(mac, BWN_PHYCTL, reg);
161	return BWN_READ_2(mac, BWN_PHYDATA);
162}
163
164void
165bwn_phy_n_write(struct bwn_mac *mac, uint16_t reg, uint16_t value)
166{
167
168	BWN_WRITE_2(mac, BWN_PHYCTL, reg);
169	BWN_WRITE_2(mac, BWN_PHYDATA, value);
170}
171
172uint16_t
173bwn_phy_n_rf_read(struct bwn_mac *mac, uint16_t reg)
174{
175
176	/* Register 1 is a 32-bit register. */
177	if (mac->mac_phy.rev < 7 && reg == 1) {
178		BWN_ERRPRINTF(mac->mac_sc, "%s: bad reg access\n", __func__);
179	}
180
181	if (mac->mac_phy.rev >= 7)
182		reg |= 0x200;	 /* radio 0x2057 */
183	else
184		reg |= 0x100;
185
186	BWN_WRITE_2(mac, BWN_RFCTL, reg);
187	return BWN_READ_2(mac, BWN_RFDATALO);
188}
189
190void
191bwn_phy_n_rf_write(struct bwn_mac *mac, uint16_t reg, uint16_t value)
192{
193
194	/* Register 1 is a 32-bit register. */
195	if (mac->mac_phy.rev < 7 && reg == 1) {
196		BWN_ERRPRINTF(mac->mac_sc, "%s: bad reg access\n", __func__);
197	}
198
199	BWN_WRITE_2(mac, BWN_RFCTL, reg);
200	BWN_WRITE_2(mac, BWN_RFDATALO, value);
201}
202
203int
204bwn_phy_n_hwpctl(struct bwn_mac *mac)
205{
206
207	return (0);
208}
209
210void
211bwn_phy_n_rf_onoff(struct bwn_mac *mac, int on)
212{
213#ifdef	BWN_GPL_PHY
214	bwn_nphy_op_software_rfkill(mac, on);
215#endif
216}
217
218void
219bwn_phy_n_switch_analog(struct bwn_mac *mac, int on)
220{
221#ifdef	BWN_GPL_PHY
222	bwn_nphy_op_switch_analog(mac, on);
223#endif
224}
225
226int
227bwn_phy_n_switch_channel(struct bwn_mac *mac, uint32_t newchan)
228{
229#ifdef	BWN_GPL_PHY
230	return bwn_nphy_op_switch_channel(mac, newchan);
231#else
232	return (ENXIO);
233#endif
234}
235
236uint32_t
237bwn_phy_n_get_default_chan(struct bwn_mac *mac)
238{
239
240	if (bwn_current_band(mac) == BWN_BAND_2G)
241		return (1);
242	return (36);
243}
244
245void
246bwn_phy_n_set_antenna(struct bwn_mac *mac, int antenna)
247{
248	/* XXX TODO */
249}
250
251int
252bwn_phy_n_im(struct bwn_mac *mac, int mode)
253{
254	/* XXX TODO */
255	return (0);
256}
257
258bwn_txpwr_result_t
259bwn_phy_n_recalc_txpwr(struct bwn_mac *mac, int ignore_tssi)
260{
261#ifdef	BWN_GPL_PHY
262	return bwn_nphy_op_recalc_txpower(mac, ignore_tssi);
263#else
264	return (BWN_TXPWR_RES_DONE);
265#endif
266}
267
268void
269bwn_phy_n_set_txpwr(struct bwn_mac *mac)
270{
271
272}
273
274void
275bwn_phy_n_task_15s(struct bwn_mac *mac)
276{
277
278}
279
280void
281bwn_phy_n_task_60s(struct bwn_mac *mac)
282{
283
284}
285