drivers/staging/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 phy_shim_info *physhim, struct wlapi_timer *t)
  69 {
  70         brcms_free_timer(physhim->wl, (struct brcms_timer *)t);
  71 }
  72
  73 void
  74 wlapi_add_timer(struct phy_shim_info *physhim, struct wlapi_timer *t, uint ms,
  75                 int periodic)
  76 {
  77         brcms_add_timer(physhim->wl, (struct brcms_timer *)t, ms, periodic);
  78 }
  79
  80 bool wlapi_del_timer(struct phy_shim_info *physhim, struct wlapi_timer *t)
  81 {
  82         return brcms_del_timer(physhim->wl, (struct brcms_timer *)t);
  83 }
  84
  85 void wlapi_intrson(struct phy_shim_info *physhim)
  86 {
  87         brcms_intrson(physhim->wl);
  88 }
  89
  90 u32 wlapi_intrsoff(struct phy_shim_info *physhim)
  91 {
  92         return brcms_intrsoff(physhim->wl);
  93 }
  94
  95 void wlapi_intrsrestore(struct phy_shim_info *physhim, u32 macintmask)
  96 {
  97         brcms_intrsrestore(physhim->wl, macintmask);
  98 }
  99
 100 void wlapi_bmac_write_shm(struct phy_shim_info *physhim, uint offset, u16 v)
 101 {
 102         brcms_b_write_shm(physhim->wlc_hw, offset, v);
 103 }
 104
 105 u16 wlapi_bmac_read_shm(struct phy_shim_info *physhim, uint offset)
 106 {
 107         return brcms_b_read_shm(physhim->wlc_hw, offset);
 108 }
 109
 110 void
 111 wlapi_bmac_mhf(struct phy_shim_info *physhim, u8 idx, u16 mask,
 112                u16 val, int bands)
 113 {
 114         brcms_b_mhf(physhim->wlc_hw, idx, mask, val, bands);
 115 }
 116
 117 void wlapi_bmac_corereset(struct phy_shim_info *physhim, u32 flags)
 118 {
 119         brcms_b_corereset(physhim->wlc_hw, flags);
 120 }
 121
 122 void wlapi_suspend_mac_and_wait(struct phy_shim_info *physhim)
 123 {
 124         brcms_c_suspend_mac_and_wait(physhim->wlc);
 125 }
 126
 127 void wlapi_switch_macfreq(struct phy_shim_info *physhim, u8 spurmode)
 128 {
 129         brcms_b_switch_macfreq(physhim->wlc_hw, spurmode);
 130 }
 131
 132 void wlapi_enable_mac(struct phy_shim_info *physhim)
 133 {
 134         brcms_c_enable_mac(physhim->wlc);
 135 }
 136
 137 void wlapi_bmac_mctrl(struct phy_shim_info *physhim, u32 mask, u32 val)
 138 {
 139         brcms_b_mctrl(physhim->wlc_hw, mask, val);
 140 }
 141
 142 void wlapi_bmac_phy_reset(struct phy_shim_info *physhim)
 143 {
 144         brcms_b_phy_reset(physhim->wlc_hw);
 145 }
 146
 147 void wlapi_bmac_bw_set(struct phy_shim_info *physhim, u16 bw)
 148 {
 149         brcms_b_bw_set(physhim->wlc_hw, bw);
 150 }
 151
 152 u16 wlapi_bmac_get_txant(struct phy_shim_info *physhim)
 153 {
 154         return brcms_b_get_txant(physhim->wlc_hw);
 155 }
 156
 157 void wlapi_bmac_phyclk_fgc(struct phy_shim_info *physhim, bool clk)
 158 {
 159         brcms_b_phyclk_fgc(physhim->wlc_hw, clk);
 160 }
 161
 162 void wlapi_bmac_macphyclk_set(struct phy_shim_info *physhim, bool clk)
 163 {
 164         brcms_b_macphyclk_set(physhim->wlc_hw, clk);
 165 }
 166
 167 void wlapi_bmac_core_phypll_ctl(struct phy_shim_info *physhim, bool on)
 168 {
 169         brcms_b_core_phypll_ctl(physhim->wlc_hw, on);
 170 }
 171
 172 void wlapi_bmac_core_phypll_reset(struct phy_shim_info *physhim)
 173 {
 174         brcms_b_core_phypll_reset(physhim->wlc_hw);
 175 }
 176
 177 void wlapi_bmac_ucode_wake_override_phyreg_set(struct phy_shim_info *physhim)
 178 {
 179         brcms_c_ucode_wake_override_set(physhim->wlc_hw,
 180                                         BRCMS_WAKE_OVERRIDE_PHYREG);
 181 }
 182
 183 void wlapi_bmac_ucode_wake_override_phyreg_clear(struct phy_shim_info *physhim)
 184 {
 185         brcms_c_ucode_wake_override_clear(physhim->wlc_hw,
 186                                           BRCMS_WAKE_OVERRIDE_PHYREG);
 187 }
 188
 189 void
 190 wlapi_bmac_write_template_ram(struct phy_shim_info *physhim, int offset,
 191                               int len, void *buf)
 192 {
 193         brcms_b_write_template_ram(physhim->wlc_hw, offset, len, buf);
 194 }
 195
 196 u16 wlapi_bmac_rate_shm_offset(struct phy_shim_info *physhim, u8 rate)
 197 {
 198         return brcms_b_rate_shm_offset(physhim->wlc_hw, rate);
 199 }
 200
 201 void wlapi_ucode_sample_init(struct phy_shim_info *physhim)
 202 {
 203 }
 204
 205 void
 206 wlapi_copyfrom_objmem(struct phy_shim_info *physhim, uint offset, void *buf,
 207                       int len, u32 sel)
 208 {
 209         brcms_b_copyfrom_objmem(physhim->wlc_hw, offset, buf, len, sel);
 210 }
 211
 212 void
 213 wlapi_copyto_objmem(struct phy_shim_info *physhim, uint offset, const void *buf,
 214                     int l, u32 sel)
 215 {
 216         brcms_b_copyto_objmem(physhim->wlc_hw, offset, buf, l, sel);
 217 }