1 | // SPDX-License-Identifier: GPL-2.0-or-later |
2 | /* |
3 | * Broadcom B43 wireless driver |
4 | * IEEE 802.11ac AC-PHY support |
5 | * |
6 | * Copyright (c) 2015 Rafał Miłecki <zajec5@gmail.com> |
7 | */ |
8 | |
9 | #include "b43.h" |
10 | #include "phy_ac.h" |
11 | |
12 | /************************************************** |
13 | * Basic PHY ops |
14 | **************************************************/ |
15 | |
16 | static int b43_phy_ac_op_allocate(struct b43_wldev *dev) |
17 | { |
18 | struct b43_phy_ac *phy_ac; |
19 | |
20 | phy_ac = kzalloc(size: sizeof(*phy_ac), GFP_KERNEL); |
21 | if (!phy_ac) |
22 | return -ENOMEM; |
23 | dev->phy.ac = phy_ac; |
24 | |
25 | return 0; |
26 | } |
27 | |
28 | static void b43_phy_ac_op_free(struct b43_wldev *dev) |
29 | { |
30 | struct b43_phy *phy = &dev->phy; |
31 | struct b43_phy_ac *phy_ac = phy->ac; |
32 | |
33 | kfree(objp: phy_ac); |
34 | phy->ac = NULL; |
35 | } |
36 | |
37 | static void b43_phy_ac_op_maskset(struct b43_wldev *dev, u16 reg, u16 mask, |
38 | u16 set) |
39 | { |
40 | b43_write16f(dev, B43_MMIO_PHY_CONTROL, value: reg); |
41 | b43_write16(dev, B43_MMIO_PHY_DATA, |
42 | value: (b43_read16(dev, B43_MMIO_PHY_DATA) & mask) | set); |
43 | } |
44 | |
45 | static u16 b43_phy_ac_op_radio_read(struct b43_wldev *dev, u16 reg) |
46 | { |
47 | b43_write16f(dev, B43_MMIO_RADIO24_CONTROL, value: reg); |
48 | return b43_read16(dev, B43_MMIO_RADIO24_DATA); |
49 | } |
50 | |
51 | static void b43_phy_ac_op_radio_write(struct b43_wldev *dev, u16 reg, |
52 | u16 value) |
53 | { |
54 | b43_write16f(dev, B43_MMIO_RADIO24_CONTROL, value: reg); |
55 | b43_write16(dev, B43_MMIO_RADIO24_DATA, value); |
56 | } |
57 | |
58 | static unsigned int b43_phy_ac_op_get_default_chan(struct b43_wldev *dev) |
59 | { |
60 | if (b43_current_band(wl: dev->wl) == NL80211_BAND_2GHZ) |
61 | return 11; |
62 | return 36; |
63 | } |
64 | |
65 | static enum b43_txpwr_result |
66 | b43_phy_ac_op_recalc_txpower(struct b43_wldev *dev, bool ignore_tssi) |
67 | { |
68 | return B43_TXPWR_RES_DONE; |
69 | } |
70 | |
71 | static void b43_phy_ac_op_adjust_txpower(struct b43_wldev *dev) |
72 | { |
73 | } |
74 | |
75 | /************************************************** |
76 | * PHY ops struct |
77 | **************************************************/ |
78 | |
79 | const struct b43_phy_operations b43_phyops_ac = { |
80 | .allocate = b43_phy_ac_op_allocate, |
81 | .free = b43_phy_ac_op_free, |
82 | .phy_maskset = b43_phy_ac_op_maskset, |
83 | .radio_read = b43_phy_ac_op_radio_read, |
84 | .radio_write = b43_phy_ac_op_radio_write, |
85 | .get_default_chan = b43_phy_ac_op_get_default_chan, |
86 | .recalc_txpower = b43_phy_ac_op_recalc_txpower, |
87 | .adjust_txpower = b43_phy_ac_op_adjust_txpower, |
88 | }; |
89 | |