drivers/staging/brcm80211/brcmsmac/wlc_phy_shim.c

   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 <aiutils.h>
  33 #include <sbconfig.h>
  34 #include <sbchipc.h>
  35 #include <pcicfg.h>
  36 #include <sbhnddma.h>
  37 #include <hnddma.h>
  38 #include <wlc_pmu.h>
  39
  40 #include "wlc_types.h"
  41 #include "wl_dbg.h"
  42 #include "wlc_cfg.h"
  43 #include "d11.h"
  44 #include "wlc_rate.h"
  45 #include "wlc_scb.h"
  46 #include "wlc_pub.h"
  47 #include "phy/wlc_phy_hal.h"
  48 #include "wlc_channel.h"
  49 #include "bcmsrom.h"
  50 #include "wlc_key.h"
  51 #include "wlc_bmac.h"
  52 #include "wlc_phy_hal.h"
  53 #include "wl_export.h"
  54 #include "wlc_main.h"
  55 #include "wlc_phy_shim.h"
  56
  57 /* PHY SHIM module specific state */
  58 struct wlc_phy_shim_info {
  59         struct wlc_hw_info *wlc_hw;     /* pointer to main wlc_hw structure */
  60         void *wlc;              /* pointer to main wlc structure */
  61         void *wl;               /* pointer to os-specific private state */
  62 };
  63
  64 wlc_phy_shim_info_t *wlc_phy_shim_attach(struct wlc_hw_info *wlc_hw,
  65                                                        void *wl, void *wlc) {
  66         wlc_phy_shim_info_t *physhim = NULL;
  67
  68         physhim = kzalloc(sizeof(wlc_phy_shim_info_t), GFP_ATOMIC);
  69         if (!physhim) {
  70                 wiphy_err(wlc_hw->wlc->wiphy,
  71                           "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
  82 void wlc_phy_shim_detach(wlc_phy_shim_info_t *physhim)
  83 {
  84         kfree(physhim);
  85 }
  86
  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
  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
 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
 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
 111 void wlapi_intrson(wlc_phy_shim_info_t *physhim)
 112 {
 113         wl_intrson(physhim->wl);
 114 }
 115
 116 u32 wlapi_intrsoff(wlc_phy_shim_info_t *physhim)
 117 {
 118         return wl_intrsoff(physhim->wl);
 119 }
 120
 121 void wlapi_intrsrestore(wlc_phy_shim_info_t *physhim, u32 macintmask)
 122 {
 123         wl_intrsrestore(physhim->wl, macintmask);
 124 }
 125
 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
 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
 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
 143 void wlapi_bmac_corereset(wlc_phy_shim_info_t *physhim, u32 flags)
 144 {
 145         wlc_bmac_corereset(physhim->wlc_hw, flags);
 146 }
 147
 148 void wlapi_suspend_mac_and_wait(wlc_phy_shim_info_t *physhim)
 149 {
 150         wlc_suspend_mac_and_wait(physhim->wlc);
 151 }
 152
 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
 158 void wlapi_enable_mac(wlc_phy_shim_info_t *physhim)
 159 {
 160         wlc_enable_mac(physhim->wlc);
 161 }
 162
 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
 168 void wlapi_bmac_phy_reset(wlc_phy_shim_info_t *physhim)
 169 {
 170         wlc_bmac_phy_reset(physhim->wlc_hw);
 171 }
 172
 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
 178 u16 wlapi_bmac_get_txant(wlc_phy_shim_info_t *physhim)
 179 {
 180         return wlc_bmac_get_txant(physhim->wlc_hw);
 181 }
 182
 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
 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
 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
 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
 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
 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
 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
 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
 226 void wlapi_ucode_sample_init(wlc_phy_shim_info_t *physhim)
 227 {
 228 }
 229
 230 void
 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
 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 }