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 } 216