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 <wlioctl.h>
  34 #include <sbconfig.h>
  35 #include <sbchipc.h>
  36 #include <pcicfg.h>
  37 #include <sbhnddma.h>
  38 #include <hnddma.h>
  39 #include <wlc_pmu.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
  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                 wiphy_err(wlc_hw->wlc->wiphy,
  72                           "wl%d: wlc_phy_shim_attach: out of mem\n",
  73                           wlc_hw->unit);
  74                 return NULL;
  75         }
  76         physhim->wlc_hw = wlc_hw;
  77         physhim->wlc = wlc;
  78         physhim->wl = wl;
  79
  80         return physhim;
  81 }
  82
  83 void wlc_phy_shim_detach(wlc_phy_shim_info_t *physhim)
  84 {
  85         kfree(physhim);
  86 }
  87
  88 struct wlapi_timer *wlapi_init_timer(wlc_phy_shim_info_t *physhim,
  89                                      void (*fn) (void *arg), void *arg,
  90                                      const char *name)
  91 {
  92         return (struct wlapi_timer *)wl_init_timer(physhim->wl, fn, arg, name);
  93 }
  94
  95 void wlapi_free_timer(wlc_phy_shim_info_t *physhim, struct wlapi_timer *t)
  96 {
  97         wl_free_timer(physhim->wl, (struct wl_timer *)t);
  98 }
  99
 100 void
 101 wlapi_add_timer(wlc_phy_shim_info_t *physhim, struct wlapi_timer *t, uint ms,
 102                 int periodic)
 103 {
 104         wl_add_timer(physhim->wl, (struct wl_timer *)t, ms, periodic);
 105 }
 106
 107 bool wlapi_del_timer(wlc_phy_shim_info_t *physhim, struct wlapi_timer *t)
 108 {
 109         return wl_del_timer(physhim->wl, (struct wl_timer *)t);
 110 }
 111
 112 void wlapi_intrson(wlc_phy_shim_info_t *physhim)
 113 {
 114         wl_intrson(physhim->wl);
 115 }
 116
 117 u32 wlapi_intrsoff(wlc_phy_shim_info_t *physhim)
 118 {
 119         return wl_intrsoff(physhim->wl);
 120 }
 121
 122 void wlapi_intrsrestore(wlc_phy_shim_info_t *physhim, u32 macintmask)
 123 {
 124         wl_intrsrestore(physhim->wl, macintmask);
 125 }
 126
 127 void wlapi_bmac_write_shm(wlc_phy_shim_info_t *physhim, uint offset, u16 v)
 128 {
 129         wlc_bmac_write_shm(physhim->wlc_hw, offset, v);
 130 }
 131
 132 u16 wlapi_bmac_read_shm(wlc_phy_shim_info_t *physhim, uint offset)
 133 {
 134         return wlc_bmac_read_shm(physhim->wlc_hw, offset);
 135 }
 136
 137 void
 138 wlapi_bmac_mhf(wlc_phy_shim_info_t *physhim, u8 idx, u16 mask,
 139                u16 val, int bands)
 140 {
 141         wlc_bmac_mhf(physhim->wlc_hw, idx, mask, val, bands);
 142 }
 143
 144 void wlapi_bmac_corereset(wlc_phy_shim_info_t *physhim, u32 flags)
 145 {
 146         wlc_bmac_corereset(physhim->wlc_hw, flags);
 147 }
 148
 149 void wlapi_suspend_mac_and_wait(wlc_phy_shim_info_t *physhim)
 150 {
 151         wlc_suspend_mac_and_wait(physhim->wlc);
 152 }
 153
 154 void wlapi_switch_macfreq(wlc_phy_shim_info_t *physhim, u8 spurmode)
 155 {
 156         wlc_bmac_switch_macfreq(physhim->wlc_hw, spurmode);
 157 }
 158
 159 void wlapi_enable_mac(wlc_phy_shim_info_t *physhim)
 160 {
 161         wlc_enable_mac(physhim->wlc);
 162 }
 163
 164 void wlapi_bmac_mctrl(wlc_phy_shim_info_t *physhim, u32 mask, u32 val)
 165 {
 166         wlc_bmac_mctrl(physhim->wlc_hw, mask, val);
 167 }
 168
 169 void wlapi_bmac_phy_reset(wlc_phy_shim_info_t *physhim)
 170 {
 171         wlc_bmac_phy_reset(physhim->wlc_hw);
 172 }
 173
 174 void wlapi_bmac_bw_set(wlc_phy_shim_info_t *physhim, u16 bw)
 175 {
 176         wlc_bmac_bw_set(physhim->wlc_hw, bw);
 177 }
 178
 179 u16 wlapi_bmac_get_txant(wlc_phy_shim_info_t *physhim)
 180 {
 181         return wlc_bmac_get_txant(physhim->wlc_hw);
 182 }
 183
 184 void wlapi_bmac_phyclk_fgc(wlc_phy_shim_info_t *physhim, bool clk)
 185 {
 186         wlc_bmac_phyclk_fgc(physhim->wlc_hw, clk);
 187 }
 188
 189 void wlapi_bmac_macphyclk_set(wlc_phy_shim_info_t *physhim, bool clk)
 190 {
 191         wlc_bmac_macphyclk_set(physhim->wlc_hw, clk);
 192 }
 193
 194 void wlapi_bmac_core_phypll_ctl(wlc_phy_shim_info_t *physhim, bool on)
 195 {
 196         wlc_bmac_core_phypll_ctl(physhim->wlc_hw, on);
 197 }
 198
 199 void wlapi_bmac_core_phypll_reset(wlc_phy_shim_info_t *physhim)
 200 {
 201         wlc_bmac_core_phypll_reset(physhim->wlc_hw);
 202 }
 203
 204 void wlapi_bmac_ucode_wake_override_phyreg_set(wlc_phy_shim_info_t *physhim)
 205 {
 206         wlc_ucode_wake_override_set(physhim->wlc_hw, WLC_WAKE_OVERRIDE_PHYREG);
 207 }
 208
 209 void wlapi_bmac_ucode_wake_override_phyreg_clear(wlc_phy_shim_info_t *physhim)
 210 {
 211         wlc_ucode_wake_override_clear(physhim->wlc_hw,
 212                                       WLC_WAKE_OVERRIDE_PHYREG);
 213 }
 214
 215 void
 216 wlapi_bmac_write_template_ram(wlc_phy_shim_info_t *physhim, int offset,
 217                               int len, void *buf)
 218 {
 219         wlc_bmac_write_template_ram(physhim->wlc_hw, offset, len, buf);
 220 }
 221
 222 u16 wlapi_bmac_rate_shm_offset(wlc_phy_shim_info_t *physhim, u8 rate)
 223 {
 224         return wlc_bmac_rate_shm_offset(physhim->wlc_hw, rate);
 225 }
 226
 227 void wlapi_ucode_sample_init(wlc_phy_shim_info_t *physhim)
 228 {
 229 }
 230
 231 void
 232 wlapi_copyfrom_objmem(wlc_phy_shim_info_t *physhim, uint offset, void *buf,
 233                       int len, u32 sel)
 234 {
 235         wlc_bmac_copyfrom_objmem(physhim->wlc_hw, offset, buf, len, sel);
 236 }
 237
 238 void
 239 wlapi_copyto_objmem(wlc_phy_shim_info_t *physhim, uint offset, const void *buf,
 240                     int l, u32 sel)
 241 {
 242         wlc_bmac_copyto_objmem(physhim->wlc_hw, offset, buf, l, sel);
 243 }