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