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 */ 32struct 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 38struct 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 54void wlc_phy_shim_detach(struct phy_shim_info *physhim) 55{ 56 kfree(physhim); 57} 58 59struct 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 67void wlapi_free_timer(struct wlapi_timer *t) 68{ 69 brcms_free_timer((struct brcms_timer *)t); 70} 71 72void 73wlapi_add_timer(struct wlapi_timer *t, uint ms, int periodic) 74{ 75 brcms_add_timer((struct brcms_timer *)t, ms, periodic); 76} 77 78bool wlapi_del_timer(struct wlapi_timer *t) 79{ 80 return brcms_del_timer((struct brcms_timer *)t); 81} 82 83void wlapi_intrson(struct phy_shim_info *physhim) 84{ 85 brcms_intrson(physhim->wl); 86} 87 88u32 wlapi_intrsoff(struct phy_shim_info *physhim) 89{ 90 return brcms_intrsoff(physhim->wl); 91} 92 93void wlapi_intrsrestore(struct phy_shim_info *physhim, u32 macintmask) 94{ 95 brcms_intrsrestore(physhim->wl, macintmask); 96} 97 98void 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 103u16 wlapi_bmac_read_shm(struct phy_shim_info *physhim, uint offset) 104{ 105 return brcms_b_read_shm(physhim->wlc_hw, offset); 106} 107 108void 109wlapi_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 115void wlapi_bmac_corereset(struct phy_shim_info *physhim, u32 flags) 116{ 117 brcms_b_corereset(physhim->wlc_hw, flags); 118} 119 120void wlapi_suspend_mac_and_wait(struct phy_shim_info *physhim) 121{ 122 brcms_c_suspend_mac_and_wait(physhim->wlc); 123} 124 125void wlapi_switch_macfreq(struct phy_shim_info *physhim, u8 spurmode) 126{ 127 brcms_b_switch_macfreq(physhim->wlc_hw, spurmode); 128} 129 130void wlapi_enable_mac(struct phy_shim_info *physhim) 131{ 132 brcms_c_enable_mac(physhim->wlc); 133} 134 135void wlapi_bmac_mctrl(struct phy_shim_info *physhim, u32 mask, u32 val) 136{ 137 brcms_b_mctrl(physhim->wlc_hw, mask, val); 138} 139 140void wlapi_bmac_phy_reset(struct phy_shim_info *physhim) 141{ 142 brcms_b_phy_reset(physhim->wlc_hw); 143} 144 145void wlapi_bmac_bw_set(struct phy_shim_info *physhim, u16 bw) 146{ 147 brcms_b_bw_set(physhim->wlc_hw, bw); 148} 149 150u16 wlapi_bmac_get_txant(struct phy_shim_info *physhim) 151{ 152 return brcms_b_get_txant(physhim->wlc_hw); 153} 154 155void wlapi_bmac_phyclk_fgc(struct phy_shim_info *physhim, bool clk) 156{ 157 brcms_b_phyclk_fgc(physhim->wlc_hw, clk); 158} 159 160void wlapi_bmac_macphyclk_set(struct phy_shim_info *physhim, bool clk) 161{ 162 brcms_b_macphyclk_set(physhim->wlc_hw, clk); 163} 164 165void 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 170void wlapi_bmac_core_phypll_reset(struct phy_shim_info *physhim) 171{ 172 brcms_b_core_phypll_reset(physhim->wlc_hw); 173} 174 175void 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 181void 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 187void 188wlapi_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 194u16 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 199void wlapi_ucode_sample_init(struct phy_shim_info *physhim) 200{ 201} 202 203void 204wlapi_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 210void 211wlapi_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} 216