kernel/drivers/net/wireless/brcm80211/brcmsmac/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 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
  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
  54 void wlc_phy_shim_detach(struct phy_shim_info *physhim)
  55 {
  56         kfree(physhim);
  57 }
  58
  59 struct wlapi_timer *wlapi_init_timer(struct phy_shim_info *physhim,
  60                                      void (*fn)(struct brcms_phy *pi),
  61                                      void *arg, const char *name)
  62 {
  63         return (struct wlapi_timer *)
  64                         brcms_init_timer(physhim->wl, (void (*)(void *))fn,
  65                                          arg, name);
  66 }
  67
  68 void wlapi_free_timer(struct wlapi_timer *t)
  69 {
  70         brcms_free_timer((struct brcms_timer *)t);
  71 }
  72
  73 void
  74 wlapi_add_timer(struct wlapi_timer *t, uint ms, int periodic)
  75 {
  76         brcms_add_timer((struct brcms_timer *)t, ms, periodic);
  77 }
  78
  79 bool wlapi_del_timer(struct wlapi_timer *t)
  80 {
  81         return brcms_del_timer((struct brcms_timer *)t);
  82 }
  83
  84 void wlapi_intrson(struct phy_shim_info *physhim)
  85 {
  86         brcms_intrson(physhim->wl);
  87 }
  88
  89 u32 wlapi_intrsoff(struct phy_shim_info *physhim)
  90 {
  91         return brcms_intrsoff(physhim->wl);
  92 }
  93
  94 void wlapi_intrsrestore(struct phy_shim_info *physhim, u32 macintmask)
  95 {
  96         brcms_intrsrestore(physhim->wl, macintmask);
  97 }
  98
  99 void wlapi_bmac_write_shm(struct phy_shim_info *physhim, uint offset, u16 v)
 100 {
 101         brcms_b_write_shm(physhim->wlc_hw, offset, v);
 102 }
 103
 104 u16 wlapi_bmac_read_shm(struct phy_shim_info *physhim, uint offset)
 105 {
 106         return brcms_b_read_shm(physhim->wlc_hw, offset);
 107 }
 108
 109 void
 110 wlapi_bmac_mhf(struct phy_shim_info *physhim, u8 idx, u16 mask,
 111                u16 val, int bands)
 112 {
 113         brcms_b_mhf(physhim->wlc_hw, idx, mask, val, bands);
 114 }
 115
 116 void wlapi_bmac_corereset(struct phy_shim_info *physhim, u32 flags)
 117 {
 118         brcms_b_corereset(physhim->wlc_hw, flags);
 119 }
 120
 121 void wlapi_suspend_mac_and_wait(struct phy_shim_info *physhim)
 122 {
 123         brcms_c_suspend_mac_and_wait(physhim->wlc);
 124 }
 125
 126 void wlapi_switch_macfreq(struct phy_shim_info *physhim, u8 spurmode)
 127 {
 128         brcms_b_switch_macfreq(physhim->wlc_hw, spurmode);
 129 }
 130
 131 void wlapi_enable_mac(struct phy_shim_info *physhim)
 132 {
 133         brcms_c_enable_mac(physhim->wlc);
 134 }
 135
 136 void wlapi_bmac_mctrl(struct phy_shim_info *physhim, u32 mask, u32 val)
 137 {
 138         brcms_b_mctrl(physhim->wlc_hw, mask, val);
 139 }
 140
 141 void wlapi_bmac_phy_reset(struct phy_shim_info *physhim)
 142 {
 143         brcms_b_phy_reset(physhim->wlc_hw);
 144 }
 145
 146 void wlapi_bmac_bw_set(struct phy_shim_info *physhim, u16 bw)
 147 {
 148         brcms_b_bw_set(physhim->wlc_hw, bw);
 149 }
 150
 151 u16 wlapi_bmac_get_txant(struct phy_shim_info *physhim)
 152 {
 153         return brcms_b_get_txant(physhim->wlc_hw);
 154 }
 155
 156 void wlapi_bmac_phyclk_fgc(struct phy_shim_info *physhim, bool clk)
 157 {
 158         brcms_b_phyclk_fgc(physhim->wlc_hw, clk);
 159 }
 160
 161 void wlapi_bmac_macphyclk_set(struct phy_shim_info *physhim, bool clk)
 162 {
 163         brcms_b_macphyclk_set(physhim->wlc_hw, clk);
 164 }
 165
 166 void wlapi_bmac_core_phypll_ctl(struct phy_shim_info *physhim, bool on)
 167 {
 168         brcms_b_core_phypll_ctl(physhim->wlc_hw, on);
 169 }
 170
 171 void wlapi_bmac_core_phypll_reset(struct phy_shim_info *physhim)
 172 {
 173         brcms_b_core_phypll_reset(physhim->wlc_hw);
 174 }
 175
 176 void wlapi_bmac_ucode_wake_override_phyreg_set(struct phy_shim_info *physhim)
 177 {
 178         brcms_c_ucode_wake_override_set(physhim->wlc_hw,
 179                                         BRCMS_WAKE_OVERRIDE_PHYREG);
 180 }
 181
 182 void wlapi_bmac_ucode_wake_override_phyreg_clear(struct phy_shim_info *physhim)
 183 {
 184         brcms_c_ucode_wake_override_clear(physhim->wlc_hw,
 185                                           BRCMS_WAKE_OVERRIDE_PHYREG);
 186 }
 187
 188 void
 189 wlapi_bmac_write_template_ram(struct phy_shim_info *physhim, int offset,
 190                               int len, void *buf)
 191 {
 192         brcms_b_write_template_ram(physhim->wlc_hw, offset, len, buf);
 193 }
 194
 195 u16 wlapi_bmac_rate_shm_offset(struct phy_shim_info *physhim, u8 rate)
 196 {
 197         return brcms_b_rate_shm_offset(physhim->wlc_hw, rate);
 198 }
 199
 200 void wlapi_ucode_sample_init(struct phy_shim_info *physhim)
 201 {
 202 }
 203
 204 void
 205 wlapi_copyfrom_objmem(struct phy_shim_info *physhim, uint offset, void *buf,
 206                       int len, u32 sel)
 207 {
 208         brcms_b_copyfrom_objmem(physhim->wlc_hw, offset, buf, len, sel);
 209 }
 210
 211 void
 212 wlapi_copyto_objmem(struct phy_shim_info *physhim, uint offset, const void *buf,
 213                     int l, u32 sel)
 214 {
 215         brcms_b_copyto_objmem(physhim->wlc_hw, offset, buf, l, sel);
 216 }