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 */
32 struct 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
wlc_phy_shim_attach(struct brcms_hardware * wlc_hw,struct brcms_info * wl,struct brcms_c_info * wlc)38 struct 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
wlc_phy_shim_detach(struct phy_shim_info * physhim)54 void wlc_phy_shim_detach(struct phy_shim_info *physhim)
55 {
56 kfree(physhim);
57 }
58
wlapi_init_timer(struct phy_shim_info * physhim,void (* fn)(void * pi),void * arg,const char * name)59 struct 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
wlapi_free_timer(struct wlapi_timer * t)67 void wlapi_free_timer(struct wlapi_timer *t)
68 {
69 brcms_free_timer((struct brcms_timer *)t);
70 }
71
72 void
wlapi_add_timer(struct wlapi_timer * t,uint ms,int periodic)73 wlapi_add_timer(struct wlapi_timer *t, uint ms, int periodic)
74 {
75 brcms_add_timer((struct brcms_timer *)t, ms, periodic);
76 }
77
wlapi_del_timer(struct wlapi_timer * t)78 bool wlapi_del_timer(struct wlapi_timer *t)
79 {
80 return brcms_del_timer((struct brcms_timer *)t);
81 }
82
wlapi_intrson(struct phy_shim_info * physhim)83 void wlapi_intrson(struct phy_shim_info *physhim)
84 {
85 brcms_intrson(physhim->wl);
86 }
87
wlapi_intrsoff(struct phy_shim_info * physhim)88 u32 wlapi_intrsoff(struct phy_shim_info *physhim)
89 {
90 return brcms_intrsoff(physhim->wl);
91 }
92
wlapi_intrsrestore(struct phy_shim_info * physhim,u32 macintmask)93 void wlapi_intrsrestore(struct phy_shim_info *physhim, u32 macintmask)
94 {
95 brcms_intrsrestore(physhim->wl, macintmask);
96 }
97
wlapi_bmac_write_shm(struct phy_shim_info * physhim,uint offset,u16 v)98 void 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
wlapi_bmac_read_shm(struct phy_shim_info * physhim,uint offset)103 u16 wlapi_bmac_read_shm(struct phy_shim_info *physhim, uint offset)
104 {
105 return brcms_b_read_shm(physhim->wlc_hw, offset);
106 }
107
108 void
wlapi_bmac_mhf(struct phy_shim_info * physhim,u8 idx,u16 mask,u16 val,int bands)109 wlapi_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
wlapi_bmac_corereset(struct phy_shim_info * physhim,u32 flags)115 void wlapi_bmac_corereset(struct phy_shim_info *physhim, u32 flags)
116 {
117 brcms_b_corereset(physhim->wlc_hw, flags);
118 }
119
wlapi_suspend_mac_and_wait(struct phy_shim_info * physhim)120 void wlapi_suspend_mac_and_wait(struct phy_shim_info *physhim)
121 {
122 brcms_c_suspend_mac_and_wait(physhim->wlc);
123 }
124
wlapi_switch_macfreq(struct phy_shim_info * physhim,u8 spurmode)125 void wlapi_switch_macfreq(struct phy_shim_info *physhim, u8 spurmode)
126 {
127 brcms_b_switch_macfreq(physhim->wlc_hw, spurmode);
128 }
129
wlapi_enable_mac(struct phy_shim_info * physhim)130 void wlapi_enable_mac(struct phy_shim_info *physhim)
131 {
132 brcms_c_enable_mac(physhim->wlc);
133 }
134
wlapi_bmac_mctrl(struct phy_shim_info * physhim,u32 mask,u32 val)135 void wlapi_bmac_mctrl(struct phy_shim_info *physhim, u32 mask, u32 val)
136 {
137 brcms_b_mctrl(physhim->wlc_hw, mask, val);
138 }
139
wlapi_bmac_phy_reset(struct phy_shim_info * physhim)140 void wlapi_bmac_phy_reset(struct phy_shim_info *physhim)
141 {
142 brcms_b_phy_reset(physhim->wlc_hw);
143 }
144
wlapi_bmac_bw_set(struct phy_shim_info * physhim,u16 bw)145 void wlapi_bmac_bw_set(struct phy_shim_info *physhim, u16 bw)
146 {
147 brcms_b_bw_set(physhim->wlc_hw, bw);
148 }
149
wlapi_bmac_get_txant(struct phy_shim_info * physhim)150 u16 wlapi_bmac_get_txant(struct phy_shim_info *physhim)
151 {
152 return brcms_b_get_txant(physhim->wlc_hw);
153 }
154
wlapi_bmac_phyclk_fgc(struct phy_shim_info * physhim,bool clk)155 void wlapi_bmac_phyclk_fgc(struct phy_shim_info *physhim, bool clk)
156 {
157 brcms_b_phyclk_fgc(physhim->wlc_hw, clk);
158 }
159
wlapi_bmac_macphyclk_set(struct phy_shim_info * physhim,bool clk)160 void wlapi_bmac_macphyclk_set(struct phy_shim_info *physhim, bool clk)
161 {
162 brcms_b_macphyclk_set(physhim->wlc_hw, clk);
163 }
164
wlapi_bmac_core_phypll_ctl(struct phy_shim_info * physhim,bool on)165 void 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
wlapi_bmac_core_phypll_reset(struct phy_shim_info * physhim)170 void wlapi_bmac_core_phypll_reset(struct phy_shim_info *physhim)
171 {
172 brcms_b_core_phypll_reset(physhim->wlc_hw);
173 }
174
wlapi_bmac_ucode_wake_override_phyreg_set(struct phy_shim_info * physhim)175 void 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
wlapi_bmac_ucode_wake_override_phyreg_clear(struct phy_shim_info * physhim)181 void 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
187 void
wlapi_bmac_write_template_ram(struct phy_shim_info * physhim,int offset,int len,void * buf)188 wlapi_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
wlapi_bmac_rate_shm_offset(struct phy_shim_info * physhim,u8 rate)194 u16 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
wlapi_ucode_sample_init(struct phy_shim_info * physhim)199 void wlapi_ucode_sample_init(struct phy_shim_info *physhim)
200 {
201 }
202
203 void
wlapi_copyfrom_objmem(struct phy_shim_info * physhim,uint offset,void * buf,int len,u32 sel)204 wlapi_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
210 void
wlapi_copyto_objmem(struct phy_shim_info * physhim,uint offset,const void * buf,int l,u32 sel)211 wlapi_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 }
216