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 WL and PHY layer.
19  *   WL driver can optinally call this translation layer to do some preprocessing, then reach PHY.
20  *   On the PHY->WL driver direction, all calls go through this layer since PHY doesn't have the
21  *   access to wlc_hw pointer.
22  */
23 
24 #include <linux/kernel.h>
25 #include <linux/module.h>
26 #include <linux/pci.h>
27 
28 #include <proto/802.11.h>
29 #include <bcmdefs.h>
30 #include <bcmutils.h>
31 #include <bcmwifi.h>
32 #include <siutils.h>
33 #include <wlioctl.h>
34 #include <sbconfig.h>
35 #include <sbchipc.h>
36 #include <pcicfg.h>
37 #include <sbhnddma.h>
38 #include <hnddma.h>
39 #include <hndpmu.h>
40 
41 #include "wlc_types.h"
42 #include "wl_dbg.h"
43 #include "wlc_cfg.h"
44 #include "d11.h"
45 #include "wlc_rate.h"
46 #include "wlc_scb.h"
47 #include "wlc_pub.h"
48 #include "phy/wlc_phy_hal.h"
49 #include "wlc_channel.h"
50 #include "bcmsrom.h"
51 #include "wlc_key.h"
52 #include "wlc_bmac.h"
53 #include "wlc_phy_hal.h"
54 #include "wl_export.h"
55 #include "wlc_main.h"
56 #include "wlc_phy_shim.h"
57 
58 /* PHY SHIM module specific state */
59 struct wlc_phy_shim_info {
60 	struct wlc_hw_info *wlc_hw;	/* pointer to main wlc_hw structure */
61 	void *wlc;		/* pointer to main wlc structure */
62 	void *wl;		/* pointer to os-specific private state */
63 };
64 
wlc_phy_shim_attach(struct wlc_hw_info * wlc_hw,void * wl,void * wlc)65 wlc_phy_shim_info_t *wlc_phy_shim_attach(struct wlc_hw_info *wlc_hw,
66 						       void *wl, void *wlc) {
67 	wlc_phy_shim_info_t *physhim = NULL;
68 
69 	physhim = kzalloc(sizeof(wlc_phy_shim_info_t), GFP_ATOMIC);
70 	if (!physhim) {
71 		WL_ERROR("wl%d: wlc_phy_shim_attach: out of mem\n",
72 			 wlc_hw->unit);
73 		return NULL;
74 	}
75 	physhim->wlc_hw = wlc_hw;
76 	physhim->wlc = wlc;
77 	physhim->wl = wl;
78 
79 	return physhim;
80 }
81 
wlc_phy_shim_detach(wlc_phy_shim_info_t * physhim)82 void wlc_phy_shim_detach(wlc_phy_shim_info_t *physhim)
83 {
84 	kfree(physhim);
85 }
86 
wlapi_init_timer(wlc_phy_shim_info_t * physhim,void (* fn)(void * arg),void * arg,const char * name)87 struct wlapi_timer *wlapi_init_timer(wlc_phy_shim_info_t *physhim,
88 				     void (*fn) (void *arg), void *arg,
89 				     const char *name)
90 {
91 	return (struct wlapi_timer *)wl_init_timer(physhim->wl, fn, arg, name);
92 }
93 
wlapi_free_timer(wlc_phy_shim_info_t * physhim,struct wlapi_timer * t)94 void wlapi_free_timer(wlc_phy_shim_info_t *physhim, struct wlapi_timer *t)
95 {
96 	wl_free_timer(physhim->wl, (struct wl_timer *)t);
97 }
98 
99 void
wlapi_add_timer(wlc_phy_shim_info_t * physhim,struct wlapi_timer * t,uint ms,int periodic)100 wlapi_add_timer(wlc_phy_shim_info_t *physhim, struct wlapi_timer *t, uint ms,
101 		int periodic)
102 {
103 	wl_add_timer(physhim->wl, (struct wl_timer *)t, ms, periodic);
104 }
105 
wlapi_del_timer(wlc_phy_shim_info_t * physhim,struct wlapi_timer * t)106 bool wlapi_del_timer(wlc_phy_shim_info_t *physhim, struct wlapi_timer *t)
107 {
108 	return wl_del_timer(physhim->wl, (struct wl_timer *)t);
109 }
110 
wlapi_intrson(wlc_phy_shim_info_t * physhim)111 void wlapi_intrson(wlc_phy_shim_info_t *physhim)
112 {
113 	wl_intrson(physhim->wl);
114 }
115 
wlapi_intrsoff(wlc_phy_shim_info_t * physhim)116 u32 wlapi_intrsoff(wlc_phy_shim_info_t *physhim)
117 {
118 	return wl_intrsoff(physhim->wl);
119 }
120 
wlapi_intrsrestore(wlc_phy_shim_info_t * physhim,u32 macintmask)121 void wlapi_intrsrestore(wlc_phy_shim_info_t *physhim, u32 macintmask)
122 {
123 	wl_intrsrestore(physhim->wl, macintmask);
124 }
125 
wlapi_bmac_write_shm(wlc_phy_shim_info_t * physhim,uint offset,u16 v)126 void wlapi_bmac_write_shm(wlc_phy_shim_info_t *physhim, uint offset, u16 v)
127 {
128 	wlc_bmac_write_shm(physhim->wlc_hw, offset, v);
129 }
130 
wlapi_bmac_read_shm(wlc_phy_shim_info_t * physhim,uint offset)131 u16 wlapi_bmac_read_shm(wlc_phy_shim_info_t *physhim, uint offset)
132 {
133 	return wlc_bmac_read_shm(physhim->wlc_hw, offset);
134 }
135 
136 void
wlapi_bmac_mhf(wlc_phy_shim_info_t * physhim,u8 idx,u16 mask,u16 val,int bands)137 wlapi_bmac_mhf(wlc_phy_shim_info_t *physhim, u8 idx, u16 mask,
138 	       u16 val, int bands)
139 {
140 	wlc_bmac_mhf(physhim->wlc_hw, idx, mask, val, bands);
141 }
142 
wlapi_bmac_corereset(wlc_phy_shim_info_t * physhim,u32 flags)143 void wlapi_bmac_corereset(wlc_phy_shim_info_t *physhim, u32 flags)
144 {
145 	wlc_bmac_corereset(physhim->wlc_hw, flags);
146 }
147 
wlapi_suspend_mac_and_wait(wlc_phy_shim_info_t * physhim)148 void wlapi_suspend_mac_and_wait(wlc_phy_shim_info_t *physhim)
149 {
150 	wlc_suspend_mac_and_wait(physhim->wlc);
151 }
152 
wlapi_switch_macfreq(wlc_phy_shim_info_t * physhim,u8 spurmode)153 void wlapi_switch_macfreq(wlc_phy_shim_info_t *physhim, u8 spurmode)
154 {
155 	wlc_bmac_switch_macfreq(physhim->wlc_hw, spurmode);
156 }
157 
wlapi_enable_mac(wlc_phy_shim_info_t * physhim)158 void wlapi_enable_mac(wlc_phy_shim_info_t *physhim)
159 {
160 	wlc_enable_mac(physhim->wlc);
161 }
162 
wlapi_bmac_mctrl(wlc_phy_shim_info_t * physhim,u32 mask,u32 val)163 void wlapi_bmac_mctrl(wlc_phy_shim_info_t *physhim, u32 mask, u32 val)
164 {
165 	wlc_bmac_mctrl(physhim->wlc_hw, mask, val);
166 }
167 
wlapi_bmac_phy_reset(wlc_phy_shim_info_t * physhim)168 void wlapi_bmac_phy_reset(wlc_phy_shim_info_t *physhim)
169 {
170 	wlc_bmac_phy_reset(physhim->wlc_hw);
171 }
172 
wlapi_bmac_bw_set(wlc_phy_shim_info_t * physhim,u16 bw)173 void wlapi_bmac_bw_set(wlc_phy_shim_info_t *physhim, u16 bw)
174 {
175 	wlc_bmac_bw_set(physhim->wlc_hw, bw);
176 }
177 
wlapi_bmac_get_txant(wlc_phy_shim_info_t * physhim)178 u16 wlapi_bmac_get_txant(wlc_phy_shim_info_t *physhim)
179 {
180 	return wlc_bmac_get_txant(physhim->wlc_hw);
181 }
182 
wlapi_bmac_phyclk_fgc(wlc_phy_shim_info_t * physhim,bool clk)183 void wlapi_bmac_phyclk_fgc(wlc_phy_shim_info_t *physhim, bool clk)
184 {
185 	wlc_bmac_phyclk_fgc(physhim->wlc_hw, clk);
186 }
187 
wlapi_bmac_macphyclk_set(wlc_phy_shim_info_t * physhim,bool clk)188 void wlapi_bmac_macphyclk_set(wlc_phy_shim_info_t *physhim, bool clk)
189 {
190 	wlc_bmac_macphyclk_set(physhim->wlc_hw, clk);
191 }
192 
wlapi_bmac_core_phypll_ctl(wlc_phy_shim_info_t * physhim,bool on)193 void wlapi_bmac_core_phypll_ctl(wlc_phy_shim_info_t *physhim, bool on)
194 {
195 	wlc_bmac_core_phypll_ctl(physhim->wlc_hw, on);
196 }
197 
wlapi_bmac_core_phypll_reset(wlc_phy_shim_info_t * physhim)198 void wlapi_bmac_core_phypll_reset(wlc_phy_shim_info_t *physhim)
199 {
200 	wlc_bmac_core_phypll_reset(physhim->wlc_hw);
201 }
202 
wlapi_bmac_ucode_wake_override_phyreg_set(wlc_phy_shim_info_t * physhim)203 void wlapi_bmac_ucode_wake_override_phyreg_set(wlc_phy_shim_info_t *physhim)
204 {
205 	wlc_ucode_wake_override_set(physhim->wlc_hw, WLC_WAKE_OVERRIDE_PHYREG);
206 }
207 
wlapi_bmac_ucode_wake_override_phyreg_clear(wlc_phy_shim_info_t * physhim)208 void wlapi_bmac_ucode_wake_override_phyreg_clear(wlc_phy_shim_info_t *physhim)
209 {
210 	wlc_ucode_wake_override_clear(physhim->wlc_hw,
211 				      WLC_WAKE_OVERRIDE_PHYREG);
212 }
213 
214 void
wlapi_bmac_write_template_ram(wlc_phy_shim_info_t * physhim,int offset,int len,void * buf)215 wlapi_bmac_write_template_ram(wlc_phy_shim_info_t *physhim, int offset,
216 			      int len, void *buf)
217 {
218 	wlc_bmac_write_template_ram(physhim->wlc_hw, offset, len, buf);
219 }
220 
wlapi_bmac_rate_shm_offset(wlc_phy_shim_info_t * physhim,u8 rate)221 u16 wlapi_bmac_rate_shm_offset(wlc_phy_shim_info_t *physhim, u8 rate)
222 {
223 	return wlc_bmac_rate_shm_offset(physhim->wlc_hw, rate);
224 }
225 
wlapi_ucode_sample_init(wlc_phy_shim_info_t * physhim)226 void wlapi_ucode_sample_init(wlc_phy_shim_info_t *physhim)
227 {
228 }
229 
230 void
wlapi_copyfrom_objmem(wlc_phy_shim_info_t * physhim,uint offset,void * buf,int len,u32 sel)231 wlapi_copyfrom_objmem(wlc_phy_shim_info_t *physhim, uint offset, void *buf,
232 		      int len, u32 sel)
233 {
234 	wlc_bmac_copyfrom_objmem(physhim->wlc_hw, offset, buf, len, sel);
235 }
236 
237 void
wlapi_copyto_objmem(wlc_phy_shim_info_t * physhim,uint offset,const void * buf,int l,u32 sel)238 wlapi_copyto_objmem(wlc_phy_shim_info_t *physhim, uint offset, const void *buf,
239 		    int l, u32 sel)
240 {
241 	wlc_bmac_copyto_objmem(physhim->wlc_hw, offset, buf, l, sel);
242 }
243