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 <bcmdefs.h>
  26 #include <wlc_cfg.h>
  27 #include <linux/module.h>
  28 #include <linux/pci.h>
  29 #include <osl.h>
  30 #include <bcmutils.h>
  31
  32 #include <proto/802.11.h>
  33 #include <bcmwifi.h>
  34 #include <siutils.h>
  35 #include <wlioctl.h>
  36 #include <sbconfig.h>
  37 #include <sbchipc.h>
  38 #include <pcicfg.h>
  39 #include <sbhndpio.h>
  40 #include <sbhnddma.h>
  41 #include <hnddma.h>
  42 #include <hndpmu.h>
  43 #include <d11.h>
  44 #include <wlc_rate.h>
  45 #include <wlc_pub.h>
  46 #include <wlc_channel.h>
  47 #include <bcmsrom.h>
  48 #include <wlc_key.h>
  49
  50 #include <wlc_mac80211.h>
  51
  52 #include <wlc_bmac.h>
  53 #include <wlc_phy_shim.h>
  54 #include <wlc_phy_hal.h>
  55 #include <wl_export.h>
  56 #include <wl_dbg.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                 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
  82 void wlc_phy_shim_detach(wlc_phy_shim_info_t *physhim)
  83 {
  84         if (!physhim)
  85                 return;
  86
  87         kfree(physhim);
  88 }
  89
  90 struct wlapi_timer *wlapi_init_timer(wlc_phy_shim_info_t *physhim,
  91                                      void (*fn) (void *arg), void *arg,
  92                                      const char *name)
  93 {
  94         return (struct wlapi_timer *)wl_init_timer(physhim->wl, fn, arg, name);
  95 }
  96
  97 void wlapi_free_timer(wlc_phy_shim_info_t *physhim, struct wlapi_timer *t)
  98 {
  99         wl_free_timer(physhim->wl, (struct wl_timer *)t);
 100 }
 101
 102 void
 103 wlapi_add_timer(wlc_phy_shim_info_t *physhim, struct wlapi_timer *t, uint ms,
 104                 int periodic)
 105 {
 106         wl_add_timer(physhim->wl, (struct wl_timer *)t, ms, periodic);
 107 }
 108
 109 bool wlapi_del_timer(wlc_phy_shim_info_t *physhim, struct wlapi_timer *t)
 110 {
 111         return wl_del_timer(physhim->wl, (struct wl_timer *)t);
 112 }
 113
 114 void wlapi_intrson(wlc_phy_shim_info_t *physhim)
 115 {
 116         wl_intrson(physhim->wl);
 117 }
 118
 119 u32 wlapi_intrsoff(wlc_phy_shim_info_t *physhim)
 120 {
 121         return wl_intrsoff(physhim->wl);
 122 }
 123
 124 void wlapi_intrsrestore(wlc_phy_shim_info_t *physhim, u32 macintmask)
 125 {
 126         wl_intrsrestore(physhim->wl, macintmask);
 127 }
 128
 129 void wlapi_bmac_write_shm(wlc_phy_shim_info_t *physhim, uint offset, u16 v)
 130 {
 131         wlc_bmac_write_shm(physhim->wlc_hw, offset, v);
 132 }
 133
 134 u16 wlapi_bmac_read_shm(wlc_phy_shim_info_t *physhim, uint offset)
 135 {
 136         return wlc_bmac_read_shm(physhim->wlc_hw, offset);
 137 }
 138
 139 void
 140 wlapi_bmac_mhf(wlc_phy_shim_info_t *physhim, u8 idx, u16 mask,
 141                u16 val, int bands)
 142 {
 143         wlc_bmac_mhf(physhim->wlc_hw, idx, mask, val, bands);
 144 }
 145
 146 void wlapi_bmac_corereset(wlc_phy_shim_info_t *physhim, u32 flags)
 147 {
 148         wlc_bmac_corereset(physhim->wlc_hw, flags);
 149 }
 150
 151 void wlapi_suspend_mac_and_wait(wlc_phy_shim_info_t *physhim)
 152 {
 153         wlc_suspend_mac_and_wait(physhim->wlc);
 154 }
 155
 156 void wlapi_switch_macfreq(wlc_phy_shim_info_t *physhim, u8 spurmode)
 157 {
 158         wlc_bmac_switch_macfreq(physhim->wlc_hw, spurmode);
 159 }
 160
 161 void wlapi_enable_mac(wlc_phy_shim_info_t *physhim)
 162 {
 163         wlc_enable_mac(physhim->wlc);
 164 }
 165
 166 void wlapi_bmac_mctrl(wlc_phy_shim_info_t *physhim, u32 mask, u32 val)
 167 {
 168         wlc_bmac_mctrl(physhim->wlc_hw, mask, val);
 169 }
 170
 171 void wlapi_bmac_phy_reset(wlc_phy_shim_info_t *physhim)
 172 {
 173         wlc_bmac_phy_reset(physhim->wlc_hw);
 174 }
 175
 176 void wlapi_bmac_bw_set(wlc_phy_shim_info_t *physhim, u16 bw)
 177 {
 178         wlc_bmac_bw_set(physhim->wlc_hw, bw);
 179 }
 180
 181 u16 wlapi_bmac_get_txant(wlc_phy_shim_info_t *physhim)
 182 {
 183         return wlc_bmac_get_txant(physhim->wlc_hw);
 184 }
 185
 186 void wlapi_bmac_phyclk_fgc(wlc_phy_shim_info_t *physhim, bool clk)
 187 {
 188         wlc_bmac_phyclk_fgc(physhim->wlc_hw, clk);
 189 }
 190
 191 void wlapi_bmac_macphyclk_set(wlc_phy_shim_info_t *physhim, bool clk)
 192 {
 193         wlc_bmac_macphyclk_set(physhim->wlc_hw, clk);
 194 }
 195
 196 void wlapi_bmac_core_phypll_ctl(wlc_phy_shim_info_t *physhim, bool on)
 197 {
 198         wlc_bmac_core_phypll_ctl(physhim->wlc_hw, on);
 199 }
 200
 201 void wlapi_bmac_core_phypll_reset(wlc_phy_shim_info_t *physhim)
 202 {
 203         wlc_bmac_core_phypll_reset(physhim->wlc_hw);
 204 }
 205
 206 void wlapi_bmac_ucode_wake_override_phyreg_set(wlc_phy_shim_info_t *physhim)
 207 {
 208         wlc_ucode_wake_override_set(physhim->wlc_hw, WLC_WAKE_OVERRIDE_PHYREG);
 209 }
 210
 211 void wlapi_bmac_ucode_wake_override_phyreg_clear(wlc_phy_shim_info_t *physhim)
 212 {
 213         wlc_ucode_wake_override_clear(physhim->wlc_hw,
 214                                       WLC_WAKE_OVERRIDE_PHYREG);
 215 }
 216
 217 void
 218 wlapi_bmac_write_template_ram(wlc_phy_shim_info_t *physhim, int offset,
 219                               int len, void *buf)
 220 {
 221         wlc_bmac_write_template_ram(physhim->wlc_hw, offset, len, buf);
 222 }
 223
 224 u16 wlapi_bmac_rate_shm_offset(wlc_phy_shim_info_t *physhim, u8 rate)
 225 {
 226         return wlc_bmac_rate_shm_offset(physhim->wlc_hw, rate);
 227 }
 228
 229 void wlapi_ucode_sample_init(wlc_phy_shim_info_t *physhim)
 230 {
 231 }
 232
 233 void
 234 wlapi_copyfrom_objmem(wlc_phy_shim_info_t *physhim, uint offset, void *buf,
 235                       int len, u32 sel)
 236 {
 237         wlc_bmac_copyfrom_objmem(physhim->wlc_hw, offset, buf, len, sel);
 238 }
 239
 240 void
 241 wlapi_copyto_objmem(wlc_phy_shim_info_t *physhim, uint offset, const void *buf,
 242                     int l, u32 sel)
 243 {
 244         wlc_bmac_copyto_objmem(physhim->wlc_hw, offset, buf, l, sel);
 245 }