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1/*
2 * Copyright (c) 2010 Broadcom Corporation
3 *
4 * Permission to use, copy, modify, and/or distribute this software for any
5 * purpose with or without fee is hereby granted, provided that the above
6 * copyright notice and this permission notice appear in all copies.
7 *
8 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
9 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
10 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
11 * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
12 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
13 * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
14 * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
15 */
16
17/*
18 * This is "two-way" interface, acting as the SHIM layer between driver
19 * and PHY layer. The driver can optionally call this translation layer
20 * to do some preprocessing, then reach PHY. On the PHY->driver direction,
21 * all calls go through this layer since PHY doesn't have access to the
22 * driver's brcms_hardware pointer.
23 */
24#include <linux/slab.h>
25#include <net/mac80211.h>
26
27#include "main.h"
28#include "mac80211_if.h"
29#include "phy_shim.h"
30
31/* PHY SHIM module specific state */
32struct phy_shim_info {
33 struct brcms_hardware *wlc_hw; /* pointer to main wlc_hw structure */
34 struct brcms_c_info *wlc; /* pointer to main wlc structure */
35 struct brcms_info *wl; /* pointer to os-specific private state */
36};
37
38struct phy_shim_info *wlc_phy_shim_attach(struct brcms_hardware *wlc_hw,
39 struct brcms_info *wl,
40 struct brcms_c_info *wlc) {
41 struct phy_shim_info *physhim = NULL;
42
43 physhim = kzalloc(sizeof(struct phy_shim_info), GFP_ATOMIC);
44 if (!physhim)
45 return NULL;
46
47 physhim->wlc_hw = wlc_hw;
48 physhim->wlc = wlc;
49 physhim->wl = wl;
50
51 return physhim;
52}
53
54void wlc_phy_shim_detach(struct phy_shim_info *physhim)
55{
56 kfree(physhim);
57}
58
59struct wlapi_timer *wlapi_init_timer(struct phy_shim_info *physhim,
60 void (*fn)(void *pi),
61 void *arg, const char *name)
62{
63 return (struct wlapi_timer *)
64 brcms_init_timer(physhim->wl, fn, arg, name);
65}
66
67void wlapi_free_timer(struct wlapi_timer *t)
68{
69 brcms_free_timer((struct brcms_timer *)t);
70}
71
72void
73wlapi_add_timer(struct wlapi_timer *t, uint ms, int periodic)
74{
75 brcms_add_timer((struct brcms_timer *)t, ms, periodic);
76}
77
78bool wlapi_del_timer(struct wlapi_timer *t)
79{
80 return brcms_del_timer((struct brcms_timer *)t);
81}
82
83void wlapi_intrson(struct phy_shim_info *physhim)
84{
85 brcms_intrson(physhim->wl);
86}
87
88u32 wlapi_intrsoff(struct phy_shim_info *physhim)
89{
90 return brcms_intrsoff(physhim->wl);
91}
92
93void wlapi_intrsrestore(struct phy_shim_info *physhim, u32 macintmask)
94{
95 brcms_intrsrestore(physhim->wl, macintmask);
96}
97
98void wlapi_bmac_write_shm(struct phy_shim_info *physhim, uint offset, u16 v)
99{
100 brcms_b_write_shm(physhim->wlc_hw, offset, v);
101}
102
103u16 wlapi_bmac_read_shm(struct phy_shim_info *physhim, uint offset)
104{
105 return brcms_b_read_shm(physhim->wlc_hw, offset);
106}
107
108void
109wlapi_bmac_mhf(struct phy_shim_info *physhim, u8 idx, u16 mask,
110 u16 val, int bands)
111{
112 brcms_b_mhf(physhim->wlc_hw, idx, mask, val, bands);
113}
114
115void wlapi_bmac_corereset(struct phy_shim_info *physhim, u32 flags)
116{
117 brcms_b_corereset(physhim->wlc_hw, flags);
118}
119
120void wlapi_suspend_mac_and_wait(struct phy_shim_info *physhim)
121{
122 brcms_c_suspend_mac_and_wait(physhim->wlc);
123}
124
125void wlapi_switch_macfreq(struct phy_shim_info *physhim, u8 spurmode)
126{
127 brcms_b_switch_macfreq(physhim->wlc_hw, spurmode);
128}
129
130void wlapi_enable_mac(struct phy_shim_info *physhim)
131{
132 brcms_c_enable_mac(physhim->wlc);
133}
134
135void wlapi_bmac_mctrl(struct phy_shim_info *physhim, u32 mask, u32 val)
136{
137 brcms_b_mctrl(physhim->wlc_hw, mask, val);
138}
139
140void wlapi_bmac_phy_reset(struct phy_shim_info *physhim)
141{
142 brcms_b_phy_reset(physhim->wlc_hw);
143}
144
145void wlapi_bmac_bw_set(struct phy_shim_info *physhim, u16 bw)
146{
147 brcms_b_bw_set(physhim->wlc_hw, bw);
148}
149
150u16 wlapi_bmac_get_txant(struct phy_shim_info *physhim)
151{
152 return brcms_b_get_txant(physhim->wlc_hw);
153}
154
155void wlapi_bmac_phyclk_fgc(struct phy_shim_info *physhim, bool clk)
156{
157 brcms_b_phyclk_fgc(physhim->wlc_hw, clk);
158}
159
160void wlapi_bmac_macphyclk_set(struct phy_shim_info *physhim, bool clk)
161{
162 brcms_b_macphyclk_set(physhim->wlc_hw, clk);
163}
164
165void wlapi_bmac_core_phypll_ctl(struct phy_shim_info *physhim, bool on)
166{
167 brcms_b_core_phypll_ctl(physhim->wlc_hw, on);
168}
169
170void wlapi_bmac_core_phypll_reset(struct phy_shim_info *physhim)
171{
172 brcms_b_core_phypll_reset(physhim->wlc_hw);
173}
174
175void wlapi_bmac_ucode_wake_override_phyreg_set(struct phy_shim_info *physhim)
176{
177 brcms_c_ucode_wake_override_set(physhim->wlc_hw,
178 BRCMS_WAKE_OVERRIDE_PHYREG);
179}
180
181void wlapi_bmac_ucode_wake_override_phyreg_clear(struct phy_shim_info *physhim)
182{
183 brcms_c_ucode_wake_override_clear(physhim->wlc_hw,
184 BRCMS_WAKE_OVERRIDE_PHYREG);
185}
186
187void
188wlapi_bmac_write_template_ram(struct phy_shim_info *physhim, int offset,
189 int len, void *buf)
190{
191 brcms_b_write_template_ram(physhim->wlc_hw, offset, len, buf);
192}
193
194u16 wlapi_bmac_rate_shm_offset(struct phy_shim_info *physhim, u8 rate)
195{
196 return brcms_b_rate_shm_offset(physhim->wlc_hw, rate);
197}
198
199void wlapi_ucode_sample_init(struct phy_shim_info *physhim)
200{
201}
202
203void
204wlapi_copyfrom_objmem(struct phy_shim_info *physhim, uint offset, void *buf,
205 int len, u32 sel)
206{
207 brcms_b_copyfrom_objmem(physhim->wlc_hw, offset, buf, len, sel);
208}
209
210void
211wlapi_copyto_objmem(struct phy_shim_info *physhim, uint offset, const void *buf,
212 int l, u32 sel)
213{
214 brcms_b_copyto_objmem(physhim->wlc_hw, offset, buf, l, sel);
215}