Larry Finger | 0c81733 | 2010-12-08 11:12:31 -0600 | [diff] [blame] | 1 | /****************************************************************************** |
| 2 | * |
| 3 | * Copyright(c) 2009-2010 Realtek Corporation. |
| 4 | * |
| 5 | * This program is free software; you can redistribute it and/or modify it |
| 6 | * under the terms of version 2 of the GNU General Public License as |
| 7 | * published by the Free Software Foundation. |
| 8 | * |
| 9 | * This program is distributed in the hope that it will be useful, but WITHOUT |
| 10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| 11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for |
| 12 | * more details. |
| 13 | * |
| 14 | * You should have received a copy of the GNU General Public License along with |
| 15 | * this program; if not, write to the Free Software Foundation, Inc., |
| 16 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA |
| 17 | * |
| 18 | * The full GNU General Public License is included in this distribution in the |
| 19 | * file called LICENSE. |
| 20 | * |
| 21 | * Contact Information: |
| 22 | * wlanfae <wlanfae@realtek.com> |
| 23 | * Realtek Corporation, No. 2, Innovation Road II, Hsinchu Science Park, |
| 24 | * Hsinchu 300, Taiwan. |
| 25 | * |
| 26 | * Larry Finger <Larry.Finger@lwfinger.net> |
| 27 | * |
| 28 | *****************************************************************************/ |
| 29 | |
Paul Gortmaker | ee40fa0 | 2011-05-27 16:14:23 -0400 | [diff] [blame] | 30 | #include <linux/export.h> |
Larry Finger | 0c81733 | 2010-12-08 11:12:31 -0600 | [diff] [blame] | 31 | #include "core.h" |
| 32 | #include "wifi.h" |
| 33 | #include "pci.h" |
| 34 | #include "base.h" |
| 35 | #include "ps.h" |
Chaoming_Li | c7cfe38 | 2011-04-25 13:23:15 -0500 | [diff] [blame] | 36 | #include "efuse.h" |
Larry Finger | 0c81733 | 2010-12-08 11:12:31 -0600 | [diff] [blame] | 37 | |
| 38 | static const u16 pcibridge_vendors[PCI_BRIDGE_VENDOR_MAX] = { |
Jon Mason | f01dce9 | 2011-06-27 13:03:44 -0500 | [diff] [blame] | 39 | PCI_VENDOR_ID_INTEL, |
| 40 | PCI_VENDOR_ID_ATI, |
| 41 | PCI_VENDOR_ID_AMD, |
| 42 | PCI_VENDOR_ID_SI |
Larry Finger | 0c81733 | 2010-12-08 11:12:31 -0600 | [diff] [blame] | 43 | }; |
| 44 | |
Chaoming_Li | c7cfe38 | 2011-04-25 13:23:15 -0500 | [diff] [blame] | 45 | static const u8 ac_to_hwq[] = { |
| 46 | VO_QUEUE, |
| 47 | VI_QUEUE, |
| 48 | BE_QUEUE, |
| 49 | BK_QUEUE |
| 50 | }; |
| 51 | |
Larry Finger | d3bb142 | 2011-04-25 13:23:20 -0500 | [diff] [blame] | 52 | static u8 _rtl_mac_to_hwqueue(struct ieee80211_hw *hw, |
Chaoming_Li | c7cfe38 | 2011-04-25 13:23:15 -0500 | [diff] [blame] | 53 | struct sk_buff *skb) |
| 54 | { |
| 55 | struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw)); |
Larry Finger | d3bb142 | 2011-04-25 13:23:20 -0500 | [diff] [blame] | 56 | __le16 fc = rtl_get_fc(skb); |
Chaoming_Li | c7cfe38 | 2011-04-25 13:23:15 -0500 | [diff] [blame] | 57 | u8 queue_index = skb_get_queue_mapping(skb); |
| 58 | |
| 59 | if (unlikely(ieee80211_is_beacon(fc))) |
| 60 | return BEACON_QUEUE; |
| 61 | if (ieee80211_is_mgmt(fc)) |
| 62 | return MGNT_QUEUE; |
| 63 | if (rtlhal->hw_type == HARDWARE_TYPE_RTL8192SE) |
| 64 | if (ieee80211_is_nullfunc(fc)) |
| 65 | return HIGH_QUEUE; |
| 66 | |
| 67 | return ac_to_hwq[queue_index]; |
| 68 | } |
| 69 | |
Larry Finger | 0c81733 | 2010-12-08 11:12:31 -0600 | [diff] [blame] | 70 | /* Update PCI dependent default settings*/ |
| 71 | static void _rtl_pci_update_default_setting(struct ieee80211_hw *hw) |
| 72 | { |
| 73 | struct rtl_priv *rtlpriv = rtl_priv(hw); |
| 74 | struct rtl_pci_priv *pcipriv = rtl_pcipriv(hw); |
| 75 | struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw)); |
| 76 | struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw)); |
| 77 | u8 pcibridge_vendor = pcipriv->ndis_adapter.pcibridge_vendor; |
Chaoming_Li | c7cfe38 | 2011-04-25 13:23:15 -0500 | [diff] [blame] | 78 | u8 init_aspm; |
Larry Finger | 0c81733 | 2010-12-08 11:12:31 -0600 | [diff] [blame] | 79 | |
| 80 | ppsc->reg_rfps_level = 0; |
Rusty Russell | 3db1cd5 | 2011-12-19 13:56:45 +0000 | [diff] [blame] | 81 | ppsc->support_aspm = false; |
Larry Finger | 0c81733 | 2010-12-08 11:12:31 -0600 | [diff] [blame] | 82 | |
| 83 | /*Update PCI ASPM setting */ |
| 84 | ppsc->const_amdpci_aspm = rtlpci->const_amdpci_aspm; |
| 85 | switch (rtlpci->const_pci_aspm) { |
| 86 | case 0: |
| 87 | /*No ASPM */ |
| 88 | break; |
| 89 | |
| 90 | case 1: |
| 91 | /*ASPM dynamically enabled/disable. */ |
| 92 | ppsc->reg_rfps_level |= RT_RF_LPS_LEVEL_ASPM; |
| 93 | break; |
| 94 | |
| 95 | case 2: |
| 96 | /*ASPM with Clock Req dynamically enabled/disable. */ |
| 97 | ppsc->reg_rfps_level |= (RT_RF_LPS_LEVEL_ASPM | |
| 98 | RT_RF_OFF_LEVL_CLK_REQ); |
| 99 | break; |
| 100 | |
| 101 | case 3: |
| 102 | /* |
| 103 | * Always enable ASPM and Clock Req |
| 104 | * from initialization to halt. |
| 105 | * */ |
| 106 | ppsc->reg_rfps_level &= ~(RT_RF_LPS_LEVEL_ASPM); |
| 107 | ppsc->reg_rfps_level |= (RT_RF_PS_LEVEL_ALWAYS_ASPM | |
| 108 | RT_RF_OFF_LEVL_CLK_REQ); |
| 109 | break; |
| 110 | |
| 111 | case 4: |
| 112 | /* |
| 113 | * Always enable ASPM without Clock Req |
| 114 | * from initialization to halt. |
| 115 | * */ |
| 116 | ppsc->reg_rfps_level &= ~(RT_RF_LPS_LEVEL_ASPM | |
| 117 | RT_RF_OFF_LEVL_CLK_REQ); |
| 118 | ppsc->reg_rfps_level |= RT_RF_PS_LEVEL_ALWAYS_ASPM; |
| 119 | break; |
| 120 | } |
| 121 | |
| 122 | ppsc->reg_rfps_level |= RT_RF_OFF_LEVL_HALT_NIC; |
| 123 | |
| 124 | /*Update Radio OFF setting */ |
| 125 | switch (rtlpci->const_hwsw_rfoff_d3) { |
| 126 | case 1: |
| 127 | if (ppsc->reg_rfps_level & RT_RF_LPS_LEVEL_ASPM) |
| 128 | ppsc->reg_rfps_level |= RT_RF_OFF_LEVL_ASPM; |
| 129 | break; |
| 130 | |
| 131 | case 2: |
| 132 | if (ppsc->reg_rfps_level & RT_RF_LPS_LEVEL_ASPM) |
| 133 | ppsc->reg_rfps_level |= RT_RF_OFF_LEVL_ASPM; |
| 134 | ppsc->reg_rfps_level |= RT_RF_OFF_LEVL_HALT_NIC; |
| 135 | break; |
| 136 | |
| 137 | case 3: |
| 138 | ppsc->reg_rfps_level |= RT_RF_OFF_LEVL_PCI_D3; |
| 139 | break; |
| 140 | } |
| 141 | |
| 142 | /*Set HW definition to determine if it supports ASPM. */ |
| 143 | switch (rtlpci->const_support_pciaspm) { |
Chaoming_Li | c7cfe38 | 2011-04-25 13:23:15 -0500 | [diff] [blame] | 144 | case 0:{ |
| 145 | /*Not support ASPM. */ |
| 146 | bool support_aspm = false; |
| 147 | ppsc->support_aspm = support_aspm; |
| 148 | break; |
| 149 | } |
| 150 | case 1:{ |
| 151 | /*Support ASPM. */ |
| 152 | bool support_aspm = true; |
| 153 | bool support_backdoor = true; |
| 154 | ppsc->support_aspm = support_aspm; |
| 155 | |
| 156 | /*if (priv->oem_id == RT_CID_TOSHIBA && |
| 157 | !priv->ndis_adapter.amd_l1_patch) |
| 158 | support_backdoor = false; */ |
| 159 | |
| 160 | ppsc->support_backdoor = support_backdoor; |
| 161 | |
| 162 | break; |
| 163 | } |
Larry Finger | 0c81733 | 2010-12-08 11:12:31 -0600 | [diff] [blame] | 164 | case 2: |
| 165 | /*ASPM value set by chipset. */ |
Chaoming_Li | c7cfe38 | 2011-04-25 13:23:15 -0500 | [diff] [blame] | 166 | if (pcibridge_vendor == PCI_BRIDGE_VENDOR_INTEL) { |
| 167 | bool support_aspm = true; |
| 168 | ppsc->support_aspm = support_aspm; |
| 169 | } |
Larry Finger | 0c81733 | 2010-12-08 11:12:31 -0600 | [diff] [blame] | 170 | break; |
| 171 | default: |
| 172 | RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG, |
| 173 | ("switch case not process\n")); |
| 174 | break; |
| 175 | } |
Chaoming_Li | c7cfe38 | 2011-04-25 13:23:15 -0500 | [diff] [blame] | 176 | |
| 177 | /* toshiba aspm issue, toshiba will set aspm selfly |
| 178 | * so we should not set aspm in driver */ |
| 179 | pci_read_config_byte(rtlpci->pdev, 0x80, &init_aspm); |
| 180 | if (rtlpriv->rtlhal.hw_type == HARDWARE_TYPE_RTL8192SE && |
| 181 | init_aspm == 0x43) |
| 182 | ppsc->support_aspm = false; |
| 183 | } |
| 184 | |
Larry Finger | 0c81733 | 2010-12-08 11:12:31 -0600 | [diff] [blame] | 185 | static bool _rtl_pci_platform_switch_device_pci_aspm( |
| 186 | struct ieee80211_hw *hw, |
| 187 | u8 value) |
| 188 | { |
| 189 | struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw)); |
Chaoming_Li | c7cfe38 | 2011-04-25 13:23:15 -0500 | [diff] [blame] | 190 | struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw)); |
Larry Finger | 0c81733 | 2010-12-08 11:12:31 -0600 | [diff] [blame] | 191 | |
Chaoming_Li | c7cfe38 | 2011-04-25 13:23:15 -0500 | [diff] [blame] | 192 | if (rtlhal->hw_type != HARDWARE_TYPE_RTL8192SE) |
| 193 | value |= 0x40; |
| 194 | |
Larry Finger | 0c81733 | 2010-12-08 11:12:31 -0600 | [diff] [blame] | 195 | pci_write_config_byte(rtlpci->pdev, 0x80, value); |
| 196 | |
Larry Finger | 3247328 | 2011-03-27 16:19:57 -0500 | [diff] [blame] | 197 | return false; |
Larry Finger | 0c81733 | 2010-12-08 11:12:31 -0600 | [diff] [blame] | 198 | } |
| 199 | |
| 200 | /*When we set 0x01 to enable clk request. Set 0x0 to disable clk req.*/ |
| 201 | static bool _rtl_pci_switch_clk_req(struct ieee80211_hw *hw, u8 value) |
| 202 | { |
| 203 | struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw)); |
Chaoming_Li | c7cfe38 | 2011-04-25 13:23:15 -0500 | [diff] [blame] | 204 | struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw)); |
Larry Finger | 0c81733 | 2010-12-08 11:12:31 -0600 | [diff] [blame] | 205 | |
Larry Finger | 0c81733 | 2010-12-08 11:12:31 -0600 | [diff] [blame] | 206 | pci_write_config_byte(rtlpci->pdev, 0x81, value); |
Larry Finger | 0c81733 | 2010-12-08 11:12:31 -0600 | [diff] [blame] | 207 | |
Chaoming_Li | c7cfe38 | 2011-04-25 13:23:15 -0500 | [diff] [blame] | 208 | if (rtlhal->hw_type == HARDWARE_TYPE_RTL8192SE) |
| 209 | udelay(100); |
| 210 | |
Larry Finger | 3247328 | 2011-03-27 16:19:57 -0500 | [diff] [blame] | 211 | return true; |
Larry Finger | 0c81733 | 2010-12-08 11:12:31 -0600 | [diff] [blame] | 212 | } |
| 213 | |
| 214 | /*Disable RTL8192SE ASPM & Disable Pci Bridge ASPM*/ |
| 215 | static void rtl_pci_disable_aspm(struct ieee80211_hw *hw) |
| 216 | { |
| 217 | struct rtl_priv *rtlpriv = rtl_priv(hw); |
| 218 | struct rtl_pci_priv *pcipriv = rtl_pcipriv(hw); |
| 219 | struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw)); |
| 220 | struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw)); |
| 221 | u8 pcibridge_vendor = pcipriv->ndis_adapter.pcibridge_vendor; |
Larry Finger | 0c81733 | 2010-12-08 11:12:31 -0600 | [diff] [blame] | 222 | u8 num4bytes = pcipriv->ndis_adapter.num4bytes; |
| 223 | /*Retrieve original configuration settings. */ |
| 224 | u8 linkctrl_reg = pcipriv->ndis_adapter.linkctrl_reg; |
| 225 | u16 pcibridge_linkctrlreg = pcipriv->ndis_adapter. |
| 226 | pcibridge_linkctrlreg; |
| 227 | u16 aspmlevel = 0; |
Larry Finger | 3247328 | 2011-03-27 16:19:57 -0500 | [diff] [blame] | 228 | u8 tmp_u1b = 0; |
Larry Finger | 0c81733 | 2010-12-08 11:12:31 -0600 | [diff] [blame] | 229 | |
Chaoming_Li | c7cfe38 | 2011-04-25 13:23:15 -0500 | [diff] [blame] | 230 | if (!ppsc->support_aspm) |
| 231 | return; |
| 232 | |
Larry Finger | 0c81733 | 2010-12-08 11:12:31 -0600 | [diff] [blame] | 233 | if (pcibridge_vendor == PCI_BRIDGE_VENDOR_UNKNOWN) { |
| 234 | RT_TRACE(rtlpriv, COMP_POWER, DBG_TRACE, |
| 235 | ("PCI(Bridge) UNKNOWN.\n")); |
| 236 | |
| 237 | return; |
| 238 | } |
| 239 | |
| 240 | if (ppsc->reg_rfps_level & RT_RF_OFF_LEVL_CLK_REQ) { |
| 241 | RT_CLEAR_PS_LEVEL(ppsc, RT_RF_OFF_LEVL_CLK_REQ); |
| 242 | _rtl_pci_switch_clk_req(hw, 0x0); |
| 243 | } |
| 244 | |
Larry Finger | 3247328 | 2011-03-27 16:19:57 -0500 | [diff] [blame] | 245 | /*for promising device will in L0 state after an I/O. */ |
| 246 | pci_read_config_byte(rtlpci->pdev, 0x80, &tmp_u1b); |
Larry Finger | 0c81733 | 2010-12-08 11:12:31 -0600 | [diff] [blame] | 247 | |
| 248 | /*Set corresponding value. */ |
| 249 | aspmlevel |= BIT(0) | BIT(1); |
| 250 | linkctrl_reg &= ~aspmlevel; |
| 251 | pcibridge_linkctrlreg &= ~(BIT(0) | BIT(1)); |
| 252 | |
| 253 | _rtl_pci_platform_switch_device_pci_aspm(hw, linkctrl_reg); |
| 254 | udelay(50); |
| 255 | |
| 256 | /*4 Disable Pci Bridge ASPM */ |
Larry Finger | 886e14b | 2011-08-06 05:55:18 -0500 | [diff] [blame] | 257 | pci_write_config_byte(rtlpci->pdev, (num4bytes << 2), |
| 258 | pcibridge_linkctrlreg); |
Larry Finger | 0c81733 | 2010-12-08 11:12:31 -0600 | [diff] [blame] | 259 | |
| 260 | udelay(50); |
Larry Finger | 0c81733 | 2010-12-08 11:12:31 -0600 | [diff] [blame] | 261 | } |
| 262 | |
| 263 | /* |
| 264 | *Enable RTL8192SE ASPM & Enable Pci Bridge ASPM for |
| 265 | *power saving We should follow the sequence to enable |
| 266 | *RTL8192SE first then enable Pci Bridge ASPM |
| 267 | *or the system will show bluescreen. |
| 268 | */ |
| 269 | static void rtl_pci_enable_aspm(struct ieee80211_hw *hw) |
| 270 | { |
| 271 | struct rtl_priv *rtlpriv = rtl_priv(hw); |
| 272 | struct rtl_pci_priv *pcipriv = rtl_pcipriv(hw); |
| 273 | struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw)); |
| 274 | struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw)); |
| 275 | u8 pcibridge_busnum = pcipriv->ndis_adapter.pcibridge_busnum; |
| 276 | u8 pcibridge_devnum = pcipriv->ndis_adapter.pcibridge_devnum; |
| 277 | u8 pcibridge_funcnum = pcipriv->ndis_adapter.pcibridge_funcnum; |
| 278 | u8 pcibridge_vendor = pcipriv->ndis_adapter.pcibridge_vendor; |
Larry Finger | 0c81733 | 2010-12-08 11:12:31 -0600 | [diff] [blame] | 279 | u8 num4bytes = pcipriv->ndis_adapter.num4bytes; |
| 280 | u16 aspmlevel; |
| 281 | u8 u_pcibridge_aspmsetting; |
| 282 | u8 u_device_aspmsetting; |
| 283 | |
Chaoming_Li | c7cfe38 | 2011-04-25 13:23:15 -0500 | [diff] [blame] | 284 | if (!ppsc->support_aspm) |
| 285 | return; |
| 286 | |
Larry Finger | 0c81733 | 2010-12-08 11:12:31 -0600 | [diff] [blame] | 287 | if (pcibridge_vendor == PCI_BRIDGE_VENDOR_UNKNOWN) { |
| 288 | RT_TRACE(rtlpriv, COMP_POWER, DBG_TRACE, |
| 289 | ("PCI(Bridge) UNKNOWN.\n")); |
| 290 | return; |
| 291 | } |
| 292 | |
| 293 | /*4 Enable Pci Bridge ASPM */ |
Larry Finger | 0c81733 | 2010-12-08 11:12:31 -0600 | [diff] [blame] | 294 | |
| 295 | u_pcibridge_aspmsetting = |
| 296 | pcipriv->ndis_adapter.pcibridge_linkctrlreg | |
| 297 | rtlpci->const_hostpci_aspm_setting; |
| 298 | |
| 299 | if (pcibridge_vendor == PCI_BRIDGE_VENDOR_INTEL) |
| 300 | u_pcibridge_aspmsetting &= ~BIT(0); |
| 301 | |
Larry Finger | 886e14b | 2011-08-06 05:55:18 -0500 | [diff] [blame] | 302 | pci_write_config_byte(rtlpci->pdev, (num4bytes << 2), |
| 303 | u_pcibridge_aspmsetting); |
Larry Finger | 0c81733 | 2010-12-08 11:12:31 -0600 | [diff] [blame] | 304 | |
| 305 | RT_TRACE(rtlpriv, COMP_INIT, DBG_LOUD, |
| 306 | ("PlatformEnableASPM():PciBridge busnumber[%x], " |
| 307 | "DevNumbe[%x], funcnumber[%x], Write reg[%x] = %x\n", |
| 308 | pcibridge_busnum, pcibridge_devnum, pcibridge_funcnum, |
| 309 | (pcipriv->ndis_adapter.pcibridge_pciehdr_offset + 0x10), |
| 310 | u_pcibridge_aspmsetting)); |
| 311 | |
| 312 | udelay(50); |
| 313 | |
| 314 | /*Get ASPM level (with/without Clock Req) */ |
| 315 | aspmlevel = rtlpci->const_devicepci_aspm_setting; |
| 316 | u_device_aspmsetting = pcipriv->ndis_adapter.linkctrl_reg; |
| 317 | |
| 318 | /*_rtl_pci_platform_switch_device_pci_aspm(dev,*/ |
| 319 | /*(priv->ndis_adapter.linkctrl_reg | ASPMLevel)); */ |
| 320 | |
| 321 | u_device_aspmsetting |= aspmlevel; |
| 322 | |
| 323 | _rtl_pci_platform_switch_device_pci_aspm(hw, u_device_aspmsetting); |
| 324 | |
| 325 | if (ppsc->reg_rfps_level & RT_RF_OFF_LEVL_CLK_REQ) { |
| 326 | _rtl_pci_switch_clk_req(hw, (ppsc->reg_rfps_level & |
| 327 | RT_RF_OFF_LEVL_CLK_REQ) ? 1 : 0); |
| 328 | RT_SET_PS_LEVEL(ppsc, RT_RF_OFF_LEVL_CLK_REQ); |
| 329 | } |
Chaoming_Li | c7cfe38 | 2011-04-25 13:23:15 -0500 | [diff] [blame] | 330 | udelay(100); |
Larry Finger | 0c81733 | 2010-12-08 11:12:31 -0600 | [diff] [blame] | 331 | } |
| 332 | |
| 333 | static bool rtl_pci_get_amd_l1_patch(struct ieee80211_hw *hw) |
| 334 | { |
Larry Finger | 886e14b | 2011-08-06 05:55:18 -0500 | [diff] [blame] | 335 | struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw)); |
Larry Finger | 0c81733 | 2010-12-08 11:12:31 -0600 | [diff] [blame] | 336 | |
| 337 | bool status = false; |
| 338 | u8 offset_e0; |
| 339 | unsigned offset_e4; |
| 340 | |
Larry Finger | 886e14b | 2011-08-06 05:55:18 -0500 | [diff] [blame] | 341 | pci_write_config_byte(rtlpci->pdev, 0xe0, 0xa0); |
Larry Finger | 0c81733 | 2010-12-08 11:12:31 -0600 | [diff] [blame] | 342 | |
Larry Finger | 886e14b | 2011-08-06 05:55:18 -0500 | [diff] [blame] | 343 | pci_read_config_byte(rtlpci->pdev, 0xe0, &offset_e0); |
Larry Finger | 0c81733 | 2010-12-08 11:12:31 -0600 | [diff] [blame] | 344 | |
| 345 | if (offset_e0 == 0xA0) { |
Larry Finger | 886e14b | 2011-08-06 05:55:18 -0500 | [diff] [blame] | 346 | pci_read_config_dword(rtlpci->pdev, 0xe4, &offset_e4); |
Larry Finger | 0c81733 | 2010-12-08 11:12:31 -0600 | [diff] [blame] | 347 | if (offset_e4 & BIT(23)) |
| 348 | status = true; |
| 349 | } |
| 350 | |
| 351 | return status; |
| 352 | } |
| 353 | |
Larry Finger | d3bb142 | 2011-04-25 13:23:20 -0500 | [diff] [blame] | 354 | static void rtl_pci_get_linkcontrol_field(struct ieee80211_hw *hw) |
Larry Finger | 0c81733 | 2010-12-08 11:12:31 -0600 | [diff] [blame] | 355 | { |
| 356 | struct rtl_pci_priv *pcipriv = rtl_pcipriv(hw); |
Larry Finger | 886e14b | 2011-08-06 05:55:18 -0500 | [diff] [blame] | 357 | struct rtl_pci *rtlpci = rtl_pcidev(pcipriv); |
Larry Finger | 0c81733 | 2010-12-08 11:12:31 -0600 | [diff] [blame] | 358 | u8 capabilityoffset = pcipriv->ndis_adapter.pcibridge_pciehdr_offset; |
Larry Finger | 0c81733 | 2010-12-08 11:12:31 -0600 | [diff] [blame] | 359 | u8 linkctrl_reg; |
Chaoming_Li | c7cfe38 | 2011-04-25 13:23:15 -0500 | [diff] [blame] | 360 | u8 num4bbytes; |
Larry Finger | 0c81733 | 2010-12-08 11:12:31 -0600 | [diff] [blame] | 361 | |
Chaoming_Li | c7cfe38 | 2011-04-25 13:23:15 -0500 | [diff] [blame] | 362 | num4bbytes = (capabilityoffset + 0x10) / 4; |
Larry Finger | 0c81733 | 2010-12-08 11:12:31 -0600 | [diff] [blame] | 363 | |
| 364 | /*Read Link Control Register */ |
Larry Finger | 886e14b | 2011-08-06 05:55:18 -0500 | [diff] [blame] | 365 | pci_read_config_byte(rtlpci->pdev, (num4bbytes << 2), &linkctrl_reg); |
Larry Finger | 0c81733 | 2010-12-08 11:12:31 -0600 | [diff] [blame] | 366 | |
| 367 | pcipriv->ndis_adapter.pcibridge_linkctrlreg = linkctrl_reg; |
| 368 | } |
| 369 | |
| 370 | static void rtl_pci_parse_configuration(struct pci_dev *pdev, |
| 371 | struct ieee80211_hw *hw) |
| 372 | { |
| 373 | struct rtl_priv *rtlpriv = rtl_priv(hw); |
| 374 | struct rtl_pci_priv *pcipriv = rtl_pcipriv(hw); |
| 375 | |
| 376 | u8 tmp; |
| 377 | int pos; |
| 378 | u8 linkctrl_reg; |
| 379 | |
| 380 | /*Link Control Register */ |
Jon Mason | 6a4ecc2 | 2011-06-27 12:50:14 -0500 | [diff] [blame] | 381 | pos = pci_pcie_cap(pdev); |
Larry Finger | 0c81733 | 2010-12-08 11:12:31 -0600 | [diff] [blame] | 382 | pci_read_config_byte(pdev, pos + PCI_EXP_LNKCTL, &linkctrl_reg); |
| 383 | pcipriv->ndis_adapter.linkctrl_reg = linkctrl_reg; |
| 384 | |
| 385 | RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE, |
| 386 | ("Link Control Register =%x\n", |
| 387 | pcipriv->ndis_adapter.linkctrl_reg)); |
| 388 | |
| 389 | pci_read_config_byte(pdev, 0x98, &tmp); |
| 390 | tmp |= BIT(4); |
| 391 | pci_write_config_byte(pdev, 0x98, tmp); |
| 392 | |
| 393 | tmp = 0x17; |
| 394 | pci_write_config_byte(pdev, 0x70f, tmp); |
| 395 | } |
| 396 | |
Chaoming_Li | c7cfe38 | 2011-04-25 13:23:15 -0500 | [diff] [blame] | 397 | static void rtl_pci_init_aspm(struct ieee80211_hw *hw) |
Larry Finger | 0c81733 | 2010-12-08 11:12:31 -0600 | [diff] [blame] | 398 | { |
| 399 | struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw)); |
| 400 | |
| 401 | _rtl_pci_update_default_setting(hw); |
| 402 | |
| 403 | if (ppsc->reg_rfps_level & RT_RF_PS_LEVEL_ALWAYS_ASPM) { |
| 404 | /*Always enable ASPM & Clock Req. */ |
| 405 | rtl_pci_enable_aspm(hw); |
| 406 | RT_SET_PS_LEVEL(ppsc, RT_RF_PS_LEVEL_ALWAYS_ASPM); |
| 407 | } |
| 408 | |
| 409 | } |
| 410 | |
Larry Finger | 0c81733 | 2010-12-08 11:12:31 -0600 | [diff] [blame] | 411 | static void _rtl_pci_io_handler_init(struct device *dev, |
| 412 | struct ieee80211_hw *hw) |
| 413 | { |
| 414 | struct rtl_priv *rtlpriv = rtl_priv(hw); |
| 415 | |
| 416 | rtlpriv->io.dev = dev; |
| 417 | |
| 418 | rtlpriv->io.write8_async = pci_write8_async; |
| 419 | rtlpriv->io.write16_async = pci_write16_async; |
| 420 | rtlpriv->io.write32_async = pci_write32_async; |
| 421 | |
| 422 | rtlpriv->io.read8_sync = pci_read8_sync; |
| 423 | rtlpriv->io.read16_sync = pci_read16_sync; |
| 424 | rtlpriv->io.read32_sync = pci_read32_sync; |
| 425 | |
| 426 | } |
| 427 | |
| 428 | static void _rtl_pci_io_handler_release(struct ieee80211_hw *hw) |
| 429 | { |
| 430 | } |
| 431 | |
Chaoming_Li | c7cfe38 | 2011-04-25 13:23:15 -0500 | [diff] [blame] | 432 | static bool _rtl_update_earlymode_info(struct ieee80211_hw *hw, |
| 433 | struct sk_buff *skb, struct rtl_tcb_desc *tcb_desc, u8 tid) |
| 434 | { |
| 435 | struct rtl_priv *rtlpriv = rtl_priv(hw); |
| 436 | struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); |
| 437 | u8 additionlen = FCS_LEN; |
| 438 | struct sk_buff *next_skb; |
| 439 | |
| 440 | /* here open is 4, wep/tkip is 8, aes is 12*/ |
| 441 | if (info->control.hw_key) |
| 442 | additionlen += info->control.hw_key->icv_len; |
| 443 | |
| 444 | /* The most skb num is 6 */ |
| 445 | tcb_desc->empkt_num = 0; |
| 446 | spin_lock_bh(&rtlpriv->locks.waitq_lock); |
| 447 | skb_queue_walk(&rtlpriv->mac80211.skb_waitq[tid], next_skb) { |
| 448 | struct ieee80211_tx_info *next_info; |
| 449 | |
| 450 | next_info = IEEE80211_SKB_CB(next_skb); |
| 451 | if (next_info->flags & IEEE80211_TX_CTL_AMPDU) { |
| 452 | tcb_desc->empkt_len[tcb_desc->empkt_num] = |
| 453 | next_skb->len + additionlen; |
| 454 | tcb_desc->empkt_num++; |
| 455 | } else { |
| 456 | break; |
| 457 | } |
| 458 | |
| 459 | if (skb_queue_is_last(&rtlpriv->mac80211.skb_waitq[tid], |
| 460 | next_skb)) |
| 461 | break; |
| 462 | |
| 463 | if (tcb_desc->empkt_num >= 5) |
| 464 | break; |
| 465 | } |
| 466 | spin_unlock_bh(&rtlpriv->locks.waitq_lock); |
| 467 | |
| 468 | return true; |
| 469 | } |
| 470 | |
| 471 | /* just for early mode now */ |
| 472 | static void _rtl_pci_tx_chk_waitq(struct ieee80211_hw *hw) |
| 473 | { |
| 474 | struct rtl_priv *rtlpriv = rtl_priv(hw); |
| 475 | struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); |
| 476 | struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw)); |
| 477 | struct sk_buff *skb = NULL; |
| 478 | struct ieee80211_tx_info *info = NULL; |
Vitaliy Ivanov | fb914eb | 2011-06-23 20:01:55 +0300 | [diff] [blame] | 479 | int tid; |
Chaoming_Li | c7cfe38 | 2011-04-25 13:23:15 -0500 | [diff] [blame] | 480 | |
| 481 | if (!rtlpriv->rtlhal.earlymode_enable) |
| 482 | return; |
| 483 | |
| 484 | /* we juse use em for BE/BK/VI/VO */ |
| 485 | for (tid = 7; tid >= 0; tid--) { |
| 486 | u8 hw_queue = ac_to_hwq[rtl_tid_to_ac(hw, tid)]; |
| 487 | struct rtl8192_tx_ring *ring = &rtlpci->tx_ring[hw_queue]; |
| 488 | while (!mac->act_scanning && |
| 489 | rtlpriv->psc.rfpwr_state == ERFON) { |
| 490 | struct rtl_tcb_desc tcb_desc; |
| 491 | memset(&tcb_desc, 0, sizeof(struct rtl_tcb_desc)); |
| 492 | |
| 493 | spin_lock_bh(&rtlpriv->locks.waitq_lock); |
| 494 | if (!skb_queue_empty(&mac->skb_waitq[tid]) && |
| 495 | (ring->entries - skb_queue_len(&ring->queue) > 5)) { |
| 496 | skb = skb_dequeue(&mac->skb_waitq[tid]); |
| 497 | } else { |
| 498 | spin_unlock_bh(&rtlpriv->locks.waitq_lock); |
| 499 | break; |
| 500 | } |
| 501 | spin_unlock_bh(&rtlpriv->locks.waitq_lock); |
| 502 | |
| 503 | /* Some macaddr can't do early mode. like |
| 504 | * multicast/broadcast/no_qos data */ |
| 505 | info = IEEE80211_SKB_CB(skb); |
| 506 | if (info->flags & IEEE80211_TX_CTL_AMPDU) |
| 507 | _rtl_update_earlymode_info(hw, skb, |
| 508 | &tcb_desc, tid); |
| 509 | |
Chaoming_Li | c7cfe38 | 2011-04-25 13:23:15 -0500 | [diff] [blame] | 510 | rtlpriv->intf_ops->adapter_tx(hw, skb, &tcb_desc); |
Chaoming_Li | c7cfe38 | 2011-04-25 13:23:15 -0500 | [diff] [blame] | 511 | } |
| 512 | } |
| 513 | } |
| 514 | |
| 515 | |
Larry Finger | 0c81733 | 2010-12-08 11:12:31 -0600 | [diff] [blame] | 516 | static void _rtl_pci_tx_isr(struct ieee80211_hw *hw, int prio) |
| 517 | { |
| 518 | struct rtl_priv *rtlpriv = rtl_priv(hw); |
| 519 | struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw)); |
| 520 | |
| 521 | struct rtl8192_tx_ring *ring = &rtlpci->tx_ring[prio]; |
| 522 | |
| 523 | while (skb_queue_len(&ring->queue)) { |
| 524 | struct rtl_tx_desc *entry = &ring->desc[ring->idx]; |
| 525 | struct sk_buff *skb; |
| 526 | struct ieee80211_tx_info *info; |
Chaoming_Li | c7cfe38 | 2011-04-25 13:23:15 -0500 | [diff] [blame] | 527 | __le16 fc; |
| 528 | u8 tid; |
Larry Finger | 0c81733 | 2010-12-08 11:12:31 -0600 | [diff] [blame] | 529 | |
| 530 | u8 own = (u8) rtlpriv->cfg->ops->get_desc((u8 *) entry, true, |
| 531 | HW_DESC_OWN); |
| 532 | |
| 533 | /* |
| 534 | *beacon packet will only use the first |
| 535 | *descriptor defautly,and the own may not |
| 536 | *be cleared by the hardware |
| 537 | */ |
| 538 | if (own) |
| 539 | return; |
| 540 | ring->idx = (ring->idx + 1) % ring->entries; |
| 541 | |
| 542 | skb = __skb_dequeue(&ring->queue); |
| 543 | pci_unmap_single(rtlpci->pdev, |
Larry Finger | d3bb142 | 2011-04-25 13:23:20 -0500 | [diff] [blame] | 544 | rtlpriv->cfg->ops-> |
Larry Finger | 0c81733 | 2010-12-08 11:12:31 -0600 | [diff] [blame] | 545 | get_desc((u8 *) entry, true, |
Larry Finger | d3bb142 | 2011-04-25 13:23:20 -0500 | [diff] [blame] | 546 | HW_DESC_TXBUFF_ADDR), |
Larry Finger | 0c81733 | 2010-12-08 11:12:31 -0600 | [diff] [blame] | 547 | skb->len, PCI_DMA_TODEVICE); |
| 548 | |
Chaoming_Li | c7cfe38 | 2011-04-25 13:23:15 -0500 | [diff] [blame] | 549 | /* remove early mode header */ |
| 550 | if (rtlpriv->rtlhal.earlymode_enable) |
| 551 | skb_pull(skb, EM_HDR_LEN); |
| 552 | |
Larry Finger | 0c81733 | 2010-12-08 11:12:31 -0600 | [diff] [blame] | 553 | RT_TRACE(rtlpriv, (COMP_INTR | COMP_SEND), DBG_TRACE, |
| 554 | ("new ring->idx:%d, " |
| 555 | "free: skb_queue_len:%d, free: seq:%x\n", |
| 556 | ring->idx, |
| 557 | skb_queue_len(&ring->queue), |
| 558 | *(u16 *) (skb->data + 22))); |
| 559 | |
Chaoming_Li | c7cfe38 | 2011-04-25 13:23:15 -0500 | [diff] [blame] | 560 | if (prio == TXCMD_QUEUE) { |
| 561 | dev_kfree_skb(skb); |
| 562 | goto tx_status_ok; |
| 563 | |
| 564 | } |
| 565 | |
| 566 | /* for sw LPS, just after NULL skb send out, we can |
| 567 | * sure AP kown we are sleeped, our we should not let |
| 568 | * rf to sleep*/ |
| 569 | fc = rtl_get_fc(skb); |
| 570 | if (ieee80211_is_nullfunc(fc)) { |
| 571 | if (ieee80211_has_pm(fc)) { |
Mike McCormack | 9c05044 | 2011-06-20 10:44:58 +0900 | [diff] [blame] | 572 | rtlpriv->mac80211.offchan_delay = true; |
Rusty Russell | 3db1cd5 | 2011-12-19 13:56:45 +0000 | [diff] [blame] | 573 | rtlpriv->psc.state_inap = true; |
Chaoming_Li | c7cfe38 | 2011-04-25 13:23:15 -0500 | [diff] [blame] | 574 | } else { |
Rusty Russell | 3db1cd5 | 2011-12-19 13:56:45 +0000 | [diff] [blame] | 575 | rtlpriv->psc.state_inap = false; |
Chaoming_Li | c7cfe38 | 2011-04-25 13:23:15 -0500 | [diff] [blame] | 576 | } |
| 577 | } |
| 578 | |
| 579 | /* update tid tx pkt num */ |
| 580 | tid = rtl_get_tid(skb); |
| 581 | if (tid <= 7) |
| 582 | rtlpriv->link_info.tidtx_inperiod[tid]++; |
| 583 | |
Larry Finger | 0c81733 | 2010-12-08 11:12:31 -0600 | [diff] [blame] | 584 | info = IEEE80211_SKB_CB(skb); |
| 585 | ieee80211_tx_info_clear_status(info); |
| 586 | |
| 587 | info->flags |= IEEE80211_TX_STAT_ACK; |
| 588 | /*info->status.rates[0].count = 1; */ |
| 589 | |
| 590 | ieee80211_tx_status_irqsafe(hw, skb); |
| 591 | |
| 592 | if ((ring->entries - skb_queue_len(&ring->queue)) |
| 593 | == 2) { |
| 594 | |
| 595 | RT_TRACE(rtlpriv, COMP_ERR, DBG_LOUD, |
| 596 | ("more desc left, wake" |
| 597 | "skb_queue@%d,ring->idx = %d," |
| 598 | "skb_queue_len = 0x%d\n", |
| 599 | prio, ring->idx, |
| 600 | skb_queue_len(&ring->queue))); |
| 601 | |
| 602 | ieee80211_wake_queue(hw, |
| 603 | skb_get_queue_mapping |
| 604 | (skb)); |
| 605 | } |
Chaoming_Li | c7cfe38 | 2011-04-25 13:23:15 -0500 | [diff] [blame] | 606 | tx_status_ok: |
Larry Finger | 0c81733 | 2010-12-08 11:12:31 -0600 | [diff] [blame] | 607 | skb = NULL; |
| 608 | } |
| 609 | |
| 610 | if (((rtlpriv->link_info.num_rx_inperiod + |
| 611 | rtlpriv->link_info.num_tx_inperiod) > 8) || |
| 612 | (rtlpriv->link_info.num_rx_inperiod > 2)) { |
Stanislaw Gruszka | 41affd5 | 2011-12-12 12:43:23 +0100 | [diff] [blame] | 613 | schedule_work(&rtlpriv->works.lps_leave_work); |
Larry Finger | 0c81733 | 2010-12-08 11:12:31 -0600 | [diff] [blame] | 614 | } |
| 615 | } |
| 616 | |
Mike McCormack | fd85477 | 2011-06-06 23:13:06 +0900 | [diff] [blame] | 617 | static void _rtl_receive_one(struct ieee80211_hw *hw, struct sk_buff *skb, |
| 618 | struct ieee80211_rx_status rx_status) |
| 619 | { |
| 620 | struct rtl_priv *rtlpriv = rtl_priv(hw); |
| 621 | struct ieee80211_hdr *hdr = rtl_get_hdr(skb); |
| 622 | __le16 fc = rtl_get_fc(skb); |
| 623 | bool unicast = false; |
| 624 | struct sk_buff *uskb = NULL; |
| 625 | u8 *pdata; |
| 626 | |
| 627 | |
| 628 | memcpy(IEEE80211_SKB_RXCB(skb), &rx_status, sizeof(rx_status)); |
| 629 | |
| 630 | if (is_broadcast_ether_addr(hdr->addr1)) { |
| 631 | ;/*TODO*/ |
| 632 | } else if (is_multicast_ether_addr(hdr->addr1)) { |
| 633 | ;/*TODO*/ |
| 634 | } else { |
| 635 | unicast = true; |
| 636 | rtlpriv->stats.rxbytesunicast += skb->len; |
| 637 | } |
| 638 | |
| 639 | rtl_is_special_data(hw, skb, false); |
| 640 | |
| 641 | if (ieee80211_is_data(fc)) { |
| 642 | rtlpriv->cfg->ops->led_control(hw, LED_CTL_RX); |
| 643 | |
| 644 | if (unicast) |
| 645 | rtlpriv->link_info.num_rx_inperiod++; |
| 646 | } |
| 647 | |
| 648 | /* for sw lps */ |
| 649 | rtl_swlps_beacon(hw, (void *)skb->data, skb->len); |
| 650 | rtl_recognize_peer(hw, (void *)skb->data, skb->len); |
| 651 | if ((rtlpriv->mac80211.opmode == NL80211_IFTYPE_AP) && |
| 652 | (rtlpriv->rtlhal.current_bandtype == BAND_ON_2_4G) && |
| 653 | (ieee80211_is_beacon(fc) || ieee80211_is_probe_resp(fc))) |
| 654 | return; |
| 655 | |
| 656 | if (unlikely(!rtl_action_proc(hw, skb, false))) |
| 657 | return; |
| 658 | |
| 659 | uskb = dev_alloc_skb(skb->len + 128); |
| 660 | memcpy(IEEE80211_SKB_RXCB(uskb), &rx_status, sizeof(rx_status)); |
| 661 | pdata = (u8 *)skb_put(uskb, skb->len); |
| 662 | memcpy(pdata, skb->data, skb->len); |
| 663 | |
| 664 | ieee80211_rx_irqsafe(hw, uskb); |
| 665 | } |
| 666 | |
Larry Finger | 0c81733 | 2010-12-08 11:12:31 -0600 | [diff] [blame] | 667 | static void _rtl_pci_rx_interrupt(struct ieee80211_hw *hw) |
| 668 | { |
| 669 | struct rtl_priv *rtlpriv = rtl_priv(hw); |
| 670 | struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw)); |
| 671 | int rx_queue_idx = RTL_PCI_RX_MPDU_QUEUE; |
| 672 | |
| 673 | struct ieee80211_rx_status rx_status = { 0 }; |
| 674 | unsigned int count = rtlpci->rxringcount; |
| 675 | u8 own; |
| 676 | u8 tmp_one; |
| 677 | u32 bufferaddress; |
Larry Finger | 0c81733 | 2010-12-08 11:12:31 -0600 | [diff] [blame] | 678 | |
| 679 | struct rtl_stats stats = { |
| 680 | .signal = 0, |
| 681 | .noise = -98, |
| 682 | .rate = 0, |
| 683 | }; |
Mike McCormack | 34ddb20 | 2011-05-31 08:49:07 +0900 | [diff] [blame] | 684 | int index = rtlpci->rx_ring[rx_queue_idx].idx; |
Larry Finger | 0c81733 | 2010-12-08 11:12:31 -0600 | [diff] [blame] | 685 | |
| 686 | /*RX NORMAL PKT */ |
| 687 | while (count--) { |
| 688 | /*rx descriptor */ |
| 689 | struct rtl_rx_desc *pdesc = &rtlpci->rx_ring[rx_queue_idx].desc[ |
Mike McCormack | 34ddb20 | 2011-05-31 08:49:07 +0900 | [diff] [blame] | 690 | index]; |
Larry Finger | 0c81733 | 2010-12-08 11:12:31 -0600 | [diff] [blame] | 691 | /*rx pkt */ |
| 692 | struct sk_buff *skb = rtlpci->rx_ring[rx_queue_idx].rx_buf[ |
Mike McCormack | 34ddb20 | 2011-05-31 08:49:07 +0900 | [diff] [blame] | 693 | index]; |
Mike McCormack | 2c33336 | 2011-06-06 23:12:08 +0900 | [diff] [blame] | 694 | struct sk_buff *new_skb = NULL; |
Larry Finger | 0c81733 | 2010-12-08 11:12:31 -0600 | [diff] [blame] | 695 | |
| 696 | own = (u8) rtlpriv->cfg->ops->get_desc((u8 *) pdesc, |
| 697 | false, HW_DESC_OWN); |
| 698 | |
Mike McCormack | 2c33336 | 2011-06-06 23:12:08 +0900 | [diff] [blame] | 699 | /*wait data to be filled by hardware */ |
| 700 | if (own) |
Mike McCormack | 34ddb20 | 2011-05-31 08:49:07 +0900 | [diff] [blame] | 701 | break; |
Larry Finger | 0c81733 | 2010-12-08 11:12:31 -0600 | [diff] [blame] | 702 | |
Mike McCormack | 2c33336 | 2011-06-06 23:12:08 +0900 | [diff] [blame] | 703 | rtlpriv->cfg->ops->query_rx_desc(hw, &stats, |
| 704 | &rx_status, |
| 705 | (u8 *) pdesc, skb); |
Larry Finger | 0c81733 | 2010-12-08 11:12:31 -0600 | [diff] [blame] | 706 | |
Mike McCormack | 8db8ddf | 2011-06-06 23:12:42 +0900 | [diff] [blame] | 707 | if (stats.crc || stats.hwerror) |
| 708 | goto done; |
| 709 | |
Mike McCormack | 2c33336 | 2011-06-06 23:12:08 +0900 | [diff] [blame] | 710 | new_skb = dev_alloc_skb(rtlpci->rxbuffersize); |
| 711 | if (unlikely(!new_skb)) { |
| 712 | RT_TRACE(rtlpriv, (COMP_INTR | COMP_RECV), |
| 713 | DBG_DMESG, |
| 714 | ("can't alloc skb for rx\n")); |
| 715 | goto done; |
| 716 | } |
Mike McCormack | 6633d64 | 2011-06-07 08:58:31 +0900 | [diff] [blame] | 717 | |
Mike McCormack | 2c33336 | 2011-06-06 23:12:08 +0900 | [diff] [blame] | 718 | pci_unmap_single(rtlpci->pdev, |
| 719 | *((dma_addr_t *) skb->cb), |
| 720 | rtlpci->rxbuffersize, |
| 721 | PCI_DMA_FROMDEVICE); |
Mike McCormack | 6633d64 | 2011-06-07 08:58:31 +0900 | [diff] [blame] | 722 | |
Mike McCormack | 2c33336 | 2011-06-06 23:12:08 +0900 | [diff] [blame] | 723 | skb_put(skb, rtlpriv->cfg->ops->get_desc((u8 *) pdesc, false, |
| 724 | HW_DESC_RXPKT_LEN)); |
| 725 | skb_reserve(skb, stats.rx_drvinfo_size + stats.rx_bufshift); |
Larry Finger | 0c81733 | 2010-12-08 11:12:31 -0600 | [diff] [blame] | 726 | |
Mike McCormack | 2c33336 | 2011-06-06 23:12:08 +0900 | [diff] [blame] | 727 | /* |
| 728 | * NOTICE This can not be use for mac80211, |
| 729 | * this is done in mac80211 code, |
| 730 | * if you done here sec DHCP will fail |
| 731 | * skb_trim(skb, skb->len - 4); |
| 732 | */ |
Larry Finger | 0c81733 | 2010-12-08 11:12:31 -0600 | [diff] [blame] | 733 | |
Mike McCormack | fd85477 | 2011-06-06 23:13:06 +0900 | [diff] [blame] | 734 | _rtl_receive_one(hw, skb, rx_status); |
Larry Finger | 0c81733 | 2010-12-08 11:12:31 -0600 | [diff] [blame] | 735 | |
Mike McCormack | 2c33336 | 2011-06-06 23:12:08 +0900 | [diff] [blame] | 736 | if (((rtlpriv->link_info.num_rx_inperiod + |
| 737 | rtlpriv->link_info.num_tx_inperiod) > 8) || |
| 738 | (rtlpriv->link_info.num_rx_inperiod > 2)) { |
Stanislaw Gruszka | 41affd5 | 2011-12-12 12:43:23 +0100 | [diff] [blame] | 739 | schedule_work(&rtlpriv->works.lps_leave_work); |
Mike McCormack | 2c33336 | 2011-06-06 23:12:08 +0900 | [diff] [blame] | 740 | } |
Larry Finger | 0c81733 | 2010-12-08 11:12:31 -0600 | [diff] [blame] | 741 | |
Mike McCormack | 14058ad | 2011-06-06 23:12:53 +0900 | [diff] [blame] | 742 | dev_kfree_skb_any(skb); |
Mike McCormack | 2c33336 | 2011-06-06 23:12:08 +0900 | [diff] [blame] | 743 | skb = new_skb; |
Larry Finger | 0c81733 | 2010-12-08 11:12:31 -0600 | [diff] [blame] | 744 | |
Mike McCormack | 2c33336 | 2011-06-06 23:12:08 +0900 | [diff] [blame] | 745 | rtlpci->rx_ring[rx_queue_idx].rx_buf[index] = skb; |
| 746 | *((dma_addr_t *) skb->cb) = |
Larry Finger | 0c81733 | 2010-12-08 11:12:31 -0600 | [diff] [blame] | 747 | pci_map_single(rtlpci->pdev, skb_tail_pointer(skb), |
| 748 | rtlpci->rxbuffersize, |
| 749 | PCI_DMA_FROMDEVICE); |
| 750 | |
Larry Finger | 0c81733 | 2010-12-08 11:12:31 -0600 | [diff] [blame] | 751 | done: |
Larry Finger | d3bb142 | 2011-04-25 13:23:20 -0500 | [diff] [blame] | 752 | bufferaddress = (*((dma_addr_t *)skb->cb)); |
Larry Finger | 0c81733 | 2010-12-08 11:12:31 -0600 | [diff] [blame] | 753 | tmp_one = 1; |
| 754 | rtlpriv->cfg->ops->set_desc((u8 *) pdesc, false, |
| 755 | HW_DESC_RXBUFF_ADDR, |
| 756 | (u8 *)&bufferaddress); |
Larry Finger | 0c81733 | 2010-12-08 11:12:31 -0600 | [diff] [blame] | 757 | rtlpriv->cfg->ops->set_desc((u8 *)pdesc, false, |
| 758 | HW_DESC_RXPKT_LEN, |
| 759 | (u8 *)&rtlpci->rxbuffersize); |
| 760 | |
Mike McCormack | 34ddb20 | 2011-05-31 08:49:07 +0900 | [diff] [blame] | 761 | if (index == rtlpci->rxringcount - 1) |
Larry Finger | 0c81733 | 2010-12-08 11:12:31 -0600 | [diff] [blame] | 762 | rtlpriv->cfg->ops->set_desc((u8 *)pdesc, false, |
| 763 | HW_DESC_RXERO, |
| 764 | (u8 *)&tmp_one); |
| 765 | |
Mike McCormack | febc9fe | 2011-05-31 08:49:51 +0900 | [diff] [blame] | 766 | rtlpriv->cfg->ops->set_desc((u8 *)pdesc, false, HW_DESC_RXOWN, |
| 767 | (u8 *)&tmp_one); |
| 768 | |
Mike McCormack | 34ddb20 | 2011-05-31 08:49:07 +0900 | [diff] [blame] | 769 | index = (index + 1) % rtlpci->rxringcount; |
Larry Finger | 0c81733 | 2010-12-08 11:12:31 -0600 | [diff] [blame] | 770 | } |
| 771 | |
Mike McCormack | 34ddb20 | 2011-05-31 08:49:07 +0900 | [diff] [blame] | 772 | rtlpci->rx_ring[rx_queue_idx].idx = index; |
Larry Finger | 0c81733 | 2010-12-08 11:12:31 -0600 | [diff] [blame] | 773 | } |
| 774 | |
Larry Finger | 0c81733 | 2010-12-08 11:12:31 -0600 | [diff] [blame] | 775 | static irqreturn_t _rtl_pci_interrupt(int irq, void *dev_id) |
| 776 | { |
| 777 | struct ieee80211_hw *hw = dev_id; |
| 778 | struct rtl_priv *rtlpriv = rtl_priv(hw); |
Chaoming_Li | c7cfe38 | 2011-04-25 13:23:15 -0500 | [diff] [blame] | 779 | struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw)); |
Larry Finger | 0c81733 | 2010-12-08 11:12:31 -0600 | [diff] [blame] | 780 | unsigned long flags; |
| 781 | u32 inta = 0; |
| 782 | u32 intb = 0; |
Larry Finger | de2e56c | 2011-11-23 21:30:19 -0600 | [diff] [blame] | 783 | irqreturn_t ret = IRQ_HANDLED; |
Larry Finger | 0c81733 | 2010-12-08 11:12:31 -0600 | [diff] [blame] | 784 | |
Larry Finger | 0c81733 | 2010-12-08 11:12:31 -0600 | [diff] [blame] | 785 | spin_lock_irqsave(&rtlpriv->locks.irq_th_lock, flags); |
| 786 | |
| 787 | /*read ISR: 4/8bytes */ |
| 788 | rtlpriv->cfg->ops->interrupt_recognized(hw, &inta, &intb); |
| 789 | |
| 790 | /*Shared IRQ or HW disappared */ |
Larry Finger | de2e56c | 2011-11-23 21:30:19 -0600 | [diff] [blame] | 791 | if (!inta || inta == 0xffff) { |
| 792 | ret = IRQ_NONE; |
Larry Finger | 0c81733 | 2010-12-08 11:12:31 -0600 | [diff] [blame] | 793 | goto done; |
Larry Finger | de2e56c | 2011-11-23 21:30:19 -0600 | [diff] [blame] | 794 | } |
Larry Finger | 0c81733 | 2010-12-08 11:12:31 -0600 | [diff] [blame] | 795 | |
| 796 | /*<1> beacon related */ |
| 797 | if (inta & rtlpriv->cfg->maps[RTL_IMR_TBDOK]) { |
| 798 | RT_TRACE(rtlpriv, COMP_INTR, DBG_TRACE, |
| 799 | ("beacon ok interrupt!\n")); |
| 800 | } |
| 801 | |
| 802 | if (unlikely(inta & rtlpriv->cfg->maps[RTL_IMR_TBDER])) { |
| 803 | RT_TRACE(rtlpriv, COMP_INTR, DBG_TRACE, |
| 804 | ("beacon err interrupt!\n")); |
| 805 | } |
| 806 | |
| 807 | if (inta & rtlpriv->cfg->maps[RTL_IMR_BDOK]) { |
| 808 | RT_TRACE(rtlpriv, COMP_INTR, DBG_TRACE, |
| 809 | ("beacon interrupt!\n")); |
| 810 | } |
| 811 | |
| 812 | if (inta & rtlpriv->cfg->maps[RTL_IMR_BcnInt]) { |
| 813 | RT_TRACE(rtlpriv, COMP_INTR, DBG_TRACE, |
| 814 | ("prepare beacon for interrupt!\n")); |
| 815 | tasklet_schedule(&rtlpriv->works.irq_prepare_bcn_tasklet); |
| 816 | } |
| 817 | |
| 818 | /*<3> Tx related */ |
| 819 | if (unlikely(inta & rtlpriv->cfg->maps[RTL_IMR_TXFOVW])) |
| 820 | RT_TRACE(rtlpriv, COMP_ERR, DBG_WARNING, ("IMR_TXFOVW!\n")); |
| 821 | |
| 822 | if (inta & rtlpriv->cfg->maps[RTL_IMR_MGNTDOK]) { |
| 823 | RT_TRACE(rtlpriv, COMP_INTR, DBG_TRACE, |
| 824 | ("Manage ok interrupt!\n")); |
| 825 | _rtl_pci_tx_isr(hw, MGNT_QUEUE); |
| 826 | } |
| 827 | |
| 828 | if (inta & rtlpriv->cfg->maps[RTL_IMR_HIGHDOK]) { |
| 829 | RT_TRACE(rtlpriv, COMP_INTR, DBG_TRACE, |
| 830 | ("HIGH_QUEUE ok interrupt!\n")); |
| 831 | _rtl_pci_tx_isr(hw, HIGH_QUEUE); |
| 832 | } |
| 833 | |
| 834 | if (inta & rtlpriv->cfg->maps[RTL_IMR_BKDOK]) { |
| 835 | rtlpriv->link_info.num_tx_inperiod++; |
| 836 | |
| 837 | RT_TRACE(rtlpriv, COMP_INTR, DBG_TRACE, |
| 838 | ("BK Tx OK interrupt!\n")); |
| 839 | _rtl_pci_tx_isr(hw, BK_QUEUE); |
| 840 | } |
| 841 | |
| 842 | if (inta & rtlpriv->cfg->maps[RTL_IMR_BEDOK]) { |
| 843 | rtlpriv->link_info.num_tx_inperiod++; |
| 844 | |
| 845 | RT_TRACE(rtlpriv, COMP_INTR, DBG_TRACE, |
| 846 | ("BE TX OK interrupt!\n")); |
| 847 | _rtl_pci_tx_isr(hw, BE_QUEUE); |
| 848 | } |
| 849 | |
| 850 | if (inta & rtlpriv->cfg->maps[RTL_IMR_VIDOK]) { |
| 851 | rtlpriv->link_info.num_tx_inperiod++; |
| 852 | |
| 853 | RT_TRACE(rtlpriv, COMP_INTR, DBG_TRACE, |
| 854 | ("VI TX OK interrupt!\n")); |
| 855 | _rtl_pci_tx_isr(hw, VI_QUEUE); |
| 856 | } |
| 857 | |
| 858 | if (inta & rtlpriv->cfg->maps[RTL_IMR_VODOK]) { |
| 859 | rtlpriv->link_info.num_tx_inperiod++; |
| 860 | |
| 861 | RT_TRACE(rtlpriv, COMP_INTR, DBG_TRACE, |
| 862 | ("Vo TX OK interrupt!\n")); |
| 863 | _rtl_pci_tx_isr(hw, VO_QUEUE); |
| 864 | } |
| 865 | |
Chaoming_Li | c7cfe38 | 2011-04-25 13:23:15 -0500 | [diff] [blame] | 866 | if (rtlhal->hw_type == HARDWARE_TYPE_RTL8192SE) { |
| 867 | if (inta & rtlpriv->cfg->maps[RTL_IMR_COMDOK]) { |
| 868 | rtlpriv->link_info.num_tx_inperiod++; |
| 869 | |
| 870 | RT_TRACE(rtlpriv, COMP_INTR, DBG_TRACE, |
| 871 | ("CMD TX OK interrupt!\n")); |
| 872 | _rtl_pci_tx_isr(hw, TXCMD_QUEUE); |
| 873 | } |
| 874 | } |
| 875 | |
Larry Finger | 0c81733 | 2010-12-08 11:12:31 -0600 | [diff] [blame] | 876 | /*<2> Rx related */ |
| 877 | if (inta & rtlpriv->cfg->maps[RTL_IMR_ROK]) { |
| 878 | RT_TRACE(rtlpriv, COMP_INTR, DBG_TRACE, ("Rx ok interrupt!\n")); |
Chaoming_Li | c7cfe38 | 2011-04-25 13:23:15 -0500 | [diff] [blame] | 879 | _rtl_pci_rx_interrupt(hw); |
Larry Finger | 0c81733 | 2010-12-08 11:12:31 -0600 | [diff] [blame] | 880 | } |
| 881 | |
| 882 | if (unlikely(inta & rtlpriv->cfg->maps[RTL_IMR_RDU])) { |
| 883 | RT_TRACE(rtlpriv, COMP_ERR, DBG_WARNING, |
| 884 | ("rx descriptor unavailable!\n")); |
Chaoming_Li | c7cfe38 | 2011-04-25 13:23:15 -0500 | [diff] [blame] | 885 | _rtl_pci_rx_interrupt(hw); |
Larry Finger | 0c81733 | 2010-12-08 11:12:31 -0600 | [diff] [blame] | 886 | } |
| 887 | |
| 888 | if (unlikely(inta & rtlpriv->cfg->maps[RTL_IMR_RXFOVW])) { |
| 889 | RT_TRACE(rtlpriv, COMP_ERR, DBG_WARNING, ("rx overflow !\n")); |
Chaoming_Li | c7cfe38 | 2011-04-25 13:23:15 -0500 | [diff] [blame] | 890 | _rtl_pci_rx_interrupt(hw); |
Larry Finger | 0c81733 | 2010-12-08 11:12:31 -0600 | [diff] [blame] | 891 | } |
| 892 | |
Chaoming_Li | c7cfe38 | 2011-04-25 13:23:15 -0500 | [diff] [blame] | 893 | if (rtlpriv->rtlhal.earlymode_enable) |
| 894 | tasklet_schedule(&rtlpriv->works.irq_tasklet); |
| 895 | |
Larry Finger | 0c81733 | 2010-12-08 11:12:31 -0600 | [diff] [blame] | 896 | done: |
| 897 | spin_unlock_irqrestore(&rtlpriv->locks.irq_th_lock, flags); |
Larry Finger | de2e56c | 2011-11-23 21:30:19 -0600 | [diff] [blame] | 898 | return ret; |
Larry Finger | 0c81733 | 2010-12-08 11:12:31 -0600 | [diff] [blame] | 899 | } |
| 900 | |
| 901 | static void _rtl_pci_irq_tasklet(struct ieee80211_hw *hw) |
| 902 | { |
Chaoming_Li | c7cfe38 | 2011-04-25 13:23:15 -0500 | [diff] [blame] | 903 | _rtl_pci_tx_chk_waitq(hw); |
Larry Finger | 0c81733 | 2010-12-08 11:12:31 -0600 | [diff] [blame] | 904 | } |
| 905 | |
| 906 | static void _rtl_pci_prepare_bcn_tasklet(struct ieee80211_hw *hw) |
| 907 | { |
| 908 | struct rtl_priv *rtlpriv = rtl_priv(hw); |
| 909 | struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw)); |
| 910 | struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); |
Chaoming_Li | c7cfe38 | 2011-04-25 13:23:15 -0500 | [diff] [blame] | 911 | struct rtl8192_tx_ring *ring = NULL; |
Larry Finger | 0c81733 | 2010-12-08 11:12:31 -0600 | [diff] [blame] | 912 | struct ieee80211_hdr *hdr = NULL; |
| 913 | struct ieee80211_tx_info *info = NULL; |
| 914 | struct sk_buff *pskb = NULL; |
| 915 | struct rtl_tx_desc *pdesc = NULL; |
Chaoming_Li | c7cfe38 | 2011-04-25 13:23:15 -0500 | [diff] [blame] | 916 | struct rtl_tcb_desc tcb_desc; |
Larry Finger | 0c81733 | 2010-12-08 11:12:31 -0600 | [diff] [blame] | 917 | u8 temp_one = 1; |
| 918 | |
Chaoming_Li | c7cfe38 | 2011-04-25 13:23:15 -0500 | [diff] [blame] | 919 | memset(&tcb_desc, 0, sizeof(struct rtl_tcb_desc)); |
Larry Finger | 0c81733 | 2010-12-08 11:12:31 -0600 | [diff] [blame] | 920 | ring = &rtlpci->tx_ring[BEACON_QUEUE]; |
| 921 | pskb = __skb_dequeue(&ring->queue); |
| 922 | if (pskb) |
| 923 | kfree_skb(pskb); |
| 924 | |
| 925 | /*NB: the beacon data buffer must be 32-bit aligned. */ |
| 926 | pskb = ieee80211_beacon_get(hw, mac->vif); |
| 927 | if (pskb == NULL) |
| 928 | return; |
Chaoming_Li | c7cfe38 | 2011-04-25 13:23:15 -0500 | [diff] [blame] | 929 | hdr = rtl_get_hdr(pskb); |
Larry Finger | 0c81733 | 2010-12-08 11:12:31 -0600 | [diff] [blame] | 930 | info = IEEE80211_SKB_CB(pskb); |
Larry Finger | 0c81733 | 2010-12-08 11:12:31 -0600 | [diff] [blame] | 931 | pdesc = &ring->desc[0]; |
| 932 | rtlpriv->cfg->ops->fill_tx_desc(hw, hdr, (u8 *) pdesc, |
Chaoming_Li | c7cfe38 | 2011-04-25 13:23:15 -0500 | [diff] [blame] | 933 | info, pskb, BEACON_QUEUE, &tcb_desc); |
Larry Finger | 0c81733 | 2010-12-08 11:12:31 -0600 | [diff] [blame] | 934 | |
| 935 | __skb_queue_tail(&ring->queue, pskb); |
| 936 | |
| 937 | rtlpriv->cfg->ops->set_desc((u8 *) pdesc, true, HW_DESC_OWN, |
| 938 | (u8 *)&temp_one); |
| 939 | |
| 940 | return; |
| 941 | } |
| 942 | |
Stanislaw Gruszka | 41affd5 | 2011-12-12 12:43:23 +0100 | [diff] [blame] | 943 | static void rtl_lps_leave_work_callback(struct work_struct *work) |
| 944 | { |
| 945 | struct rtl_works *rtlworks = |
| 946 | container_of(work, struct rtl_works, lps_leave_work); |
| 947 | struct ieee80211_hw *hw = rtlworks->hw; |
| 948 | |
| 949 | rtl_lps_leave(hw); |
| 950 | } |
| 951 | |
Larry Finger | 0c81733 | 2010-12-08 11:12:31 -0600 | [diff] [blame] | 952 | static void _rtl_pci_init_trx_var(struct ieee80211_hw *hw) |
| 953 | { |
| 954 | struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw)); |
| 955 | u8 i; |
| 956 | |
| 957 | for (i = 0; i < RTL_PCI_MAX_TX_QUEUE_COUNT; i++) |
| 958 | rtlpci->txringcount[i] = RT_TXDESC_NUM; |
| 959 | |
| 960 | /* |
| 961 | *we just alloc 2 desc for beacon queue, |
| 962 | *because we just need first desc in hw beacon. |
| 963 | */ |
| 964 | rtlpci->txringcount[BEACON_QUEUE] = 2; |
| 965 | |
| 966 | /* |
| 967 | *BE queue need more descriptor for performance |
| 968 | *consideration or, No more tx desc will happen, |
| 969 | *and may cause mac80211 mem leakage. |
| 970 | */ |
| 971 | rtlpci->txringcount[BE_QUEUE] = RT_TXDESC_NUM_BE_QUEUE; |
| 972 | |
| 973 | rtlpci->rxbuffersize = 9100; /*2048/1024; */ |
| 974 | rtlpci->rxringcount = RTL_PCI_MAX_RX_COUNT; /*64; */ |
| 975 | } |
| 976 | |
| 977 | static void _rtl_pci_init_struct(struct ieee80211_hw *hw, |
| 978 | struct pci_dev *pdev) |
| 979 | { |
| 980 | struct rtl_priv *rtlpriv = rtl_priv(hw); |
| 981 | struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); |
| 982 | struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw)); |
| 983 | struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw)); |
Larry Finger | 0c81733 | 2010-12-08 11:12:31 -0600 | [diff] [blame] | 984 | |
| 985 | rtlpci->up_first_time = true; |
| 986 | rtlpci->being_init_adapter = false; |
| 987 | |
| 988 | rtlhal->hw = hw; |
| 989 | rtlpci->pdev = pdev; |
| 990 | |
Larry Finger | 0c81733 | 2010-12-08 11:12:31 -0600 | [diff] [blame] | 991 | /*Tx/Rx related var */ |
| 992 | _rtl_pci_init_trx_var(hw); |
| 993 | |
Chaoming_Li | c7cfe38 | 2011-04-25 13:23:15 -0500 | [diff] [blame] | 994 | /*IBSS*/ mac->beacon_interval = 100; |
Larry Finger | 0c81733 | 2010-12-08 11:12:31 -0600 | [diff] [blame] | 995 | |
Chaoming_Li | c7cfe38 | 2011-04-25 13:23:15 -0500 | [diff] [blame] | 996 | /*AMPDU*/ |
| 997 | mac->min_space_cfg = 0; |
Larry Finger | 0c81733 | 2010-12-08 11:12:31 -0600 | [diff] [blame] | 998 | mac->max_mss_density = 0; |
| 999 | /*set sane AMPDU defaults */ |
| 1000 | mac->current_ampdu_density = 7; |
| 1001 | mac->current_ampdu_factor = 3; |
| 1002 | |
Chaoming_Li | c7cfe38 | 2011-04-25 13:23:15 -0500 | [diff] [blame] | 1003 | /*QOS*/ |
| 1004 | rtlpci->acm_method = eAcmWay2_SW; |
Larry Finger | 0c81733 | 2010-12-08 11:12:31 -0600 | [diff] [blame] | 1005 | |
| 1006 | /*task */ |
| 1007 | tasklet_init(&rtlpriv->works.irq_tasklet, |
| 1008 | (void (*)(unsigned long))_rtl_pci_irq_tasklet, |
| 1009 | (unsigned long)hw); |
| 1010 | tasklet_init(&rtlpriv->works.irq_prepare_bcn_tasklet, |
| 1011 | (void (*)(unsigned long))_rtl_pci_prepare_bcn_tasklet, |
| 1012 | (unsigned long)hw); |
Stanislaw Gruszka | 41affd5 | 2011-12-12 12:43:23 +0100 | [diff] [blame] | 1013 | INIT_WORK(&rtlpriv->works.lps_leave_work, rtl_lps_leave_work_callback); |
Larry Finger | 0c81733 | 2010-12-08 11:12:31 -0600 | [diff] [blame] | 1014 | } |
| 1015 | |
| 1016 | static int _rtl_pci_init_tx_ring(struct ieee80211_hw *hw, |
| 1017 | unsigned int prio, unsigned int entries) |
| 1018 | { |
| 1019 | struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw)); |
| 1020 | struct rtl_priv *rtlpriv = rtl_priv(hw); |
| 1021 | struct rtl_tx_desc *ring; |
| 1022 | dma_addr_t dma; |
| 1023 | u32 nextdescaddress; |
| 1024 | int i; |
| 1025 | |
| 1026 | ring = pci_alloc_consistent(rtlpci->pdev, |
| 1027 | sizeof(*ring) * entries, &dma); |
| 1028 | |
| 1029 | if (!ring || (unsigned long)ring & 0xFF) { |
| 1030 | RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG, |
| 1031 | ("Cannot allocate TX ring (prio = %d)\n", prio)); |
| 1032 | return -ENOMEM; |
| 1033 | } |
| 1034 | |
| 1035 | memset(ring, 0, sizeof(*ring) * entries); |
| 1036 | rtlpci->tx_ring[prio].desc = ring; |
| 1037 | rtlpci->tx_ring[prio].dma = dma; |
| 1038 | rtlpci->tx_ring[prio].idx = 0; |
| 1039 | rtlpci->tx_ring[prio].entries = entries; |
| 1040 | skb_queue_head_init(&rtlpci->tx_ring[prio].queue); |
| 1041 | |
| 1042 | RT_TRACE(rtlpriv, COMP_INIT, DBG_LOUD, |
| 1043 | ("queue:%d, ring_addr:%p\n", prio, ring)); |
| 1044 | |
| 1045 | for (i = 0; i < entries; i++) { |
Larry Finger | d3bb142 | 2011-04-25 13:23:20 -0500 | [diff] [blame] | 1046 | nextdescaddress = (u32) dma + |
Larry Finger | 982d96b | 2011-05-01 22:30:54 -0500 | [diff] [blame] | 1047 | ((i + 1) % entries) * |
Larry Finger | d3bb142 | 2011-04-25 13:23:20 -0500 | [diff] [blame] | 1048 | sizeof(*ring); |
Larry Finger | 0c81733 | 2010-12-08 11:12:31 -0600 | [diff] [blame] | 1049 | |
| 1050 | rtlpriv->cfg->ops->set_desc((u8 *)&(ring[i]), |
| 1051 | true, HW_DESC_TX_NEXTDESC_ADDR, |
| 1052 | (u8 *)&nextdescaddress); |
| 1053 | } |
| 1054 | |
| 1055 | return 0; |
| 1056 | } |
| 1057 | |
| 1058 | static int _rtl_pci_init_rx_ring(struct ieee80211_hw *hw) |
| 1059 | { |
| 1060 | struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw)); |
| 1061 | struct rtl_priv *rtlpriv = rtl_priv(hw); |
| 1062 | struct rtl_rx_desc *entry = NULL; |
| 1063 | int i, rx_queue_idx; |
| 1064 | u8 tmp_one = 1; |
| 1065 | |
| 1066 | /* |
| 1067 | *rx_queue_idx 0:RX_MPDU_QUEUE |
| 1068 | *rx_queue_idx 1:RX_CMD_QUEUE |
| 1069 | */ |
| 1070 | for (rx_queue_idx = 0; rx_queue_idx < RTL_PCI_MAX_RX_QUEUE; |
| 1071 | rx_queue_idx++) { |
| 1072 | rtlpci->rx_ring[rx_queue_idx].desc = |
| 1073 | pci_alloc_consistent(rtlpci->pdev, |
| 1074 | sizeof(*rtlpci->rx_ring[rx_queue_idx]. |
| 1075 | desc) * rtlpci->rxringcount, |
| 1076 | &rtlpci->rx_ring[rx_queue_idx].dma); |
| 1077 | |
| 1078 | if (!rtlpci->rx_ring[rx_queue_idx].desc || |
| 1079 | (unsigned long)rtlpci->rx_ring[rx_queue_idx].desc & 0xFF) { |
| 1080 | RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG, |
| 1081 | ("Cannot allocate RX ring\n")); |
| 1082 | return -ENOMEM; |
| 1083 | } |
| 1084 | |
| 1085 | memset(rtlpci->rx_ring[rx_queue_idx].desc, 0, |
| 1086 | sizeof(*rtlpci->rx_ring[rx_queue_idx].desc) * |
| 1087 | rtlpci->rxringcount); |
| 1088 | |
| 1089 | rtlpci->rx_ring[rx_queue_idx].idx = 0; |
| 1090 | |
Larry Finger | 0019a2c | 2011-05-19 11:48:45 -0500 | [diff] [blame] | 1091 | /* If amsdu_8k is disabled, set buffersize to 4096. This |
| 1092 | * change will reduce memory fragmentation. |
| 1093 | */ |
| 1094 | if (rtlpci->rxbuffersize > 4096 && |
| 1095 | rtlpriv->rtlhal.disable_amsdu_8k) |
| 1096 | rtlpci->rxbuffersize = 4096; |
| 1097 | |
Larry Finger | 0c81733 | 2010-12-08 11:12:31 -0600 | [diff] [blame] | 1098 | for (i = 0; i < rtlpci->rxringcount; i++) { |
| 1099 | struct sk_buff *skb = |
| 1100 | dev_alloc_skb(rtlpci->rxbuffersize); |
| 1101 | u32 bufferaddress; |
Larry Finger | 0c81733 | 2010-12-08 11:12:31 -0600 | [diff] [blame] | 1102 | if (!skb) |
| 1103 | return 0; |
Jesper Juhl | bdc4bf65 | 2011-01-21 13:40:54 -0600 | [diff] [blame] | 1104 | entry = &rtlpci->rx_ring[rx_queue_idx].desc[i]; |
Larry Finger | 0c81733 | 2010-12-08 11:12:31 -0600 | [diff] [blame] | 1105 | |
| 1106 | /*skb->dev = dev; */ |
| 1107 | |
| 1108 | rtlpci->rx_ring[rx_queue_idx].rx_buf[i] = skb; |
| 1109 | |
| 1110 | /* |
| 1111 | *just set skb->cb to mapping addr |
| 1112 | *for pci_unmap_single use |
| 1113 | */ |
| 1114 | *((dma_addr_t *) skb->cb) = |
| 1115 | pci_map_single(rtlpci->pdev, skb_tail_pointer(skb), |
| 1116 | rtlpci->rxbuffersize, |
| 1117 | PCI_DMA_FROMDEVICE); |
| 1118 | |
Larry Finger | d3bb142 | 2011-04-25 13:23:20 -0500 | [diff] [blame] | 1119 | bufferaddress = (*((dma_addr_t *)skb->cb)); |
Larry Finger | 0c81733 | 2010-12-08 11:12:31 -0600 | [diff] [blame] | 1120 | rtlpriv->cfg->ops->set_desc((u8 *)entry, false, |
| 1121 | HW_DESC_RXBUFF_ADDR, |
| 1122 | (u8 *)&bufferaddress); |
| 1123 | rtlpriv->cfg->ops->set_desc((u8 *)entry, false, |
| 1124 | HW_DESC_RXPKT_LEN, |
| 1125 | (u8 *)&rtlpci-> |
| 1126 | rxbuffersize); |
| 1127 | rtlpriv->cfg->ops->set_desc((u8 *) entry, false, |
| 1128 | HW_DESC_RXOWN, |
| 1129 | (u8 *)&tmp_one); |
| 1130 | } |
| 1131 | |
| 1132 | rtlpriv->cfg->ops->set_desc((u8 *) entry, false, |
| 1133 | HW_DESC_RXERO, (u8 *)&tmp_one); |
| 1134 | } |
| 1135 | return 0; |
| 1136 | } |
| 1137 | |
| 1138 | static void _rtl_pci_free_tx_ring(struct ieee80211_hw *hw, |
| 1139 | unsigned int prio) |
| 1140 | { |
| 1141 | struct rtl_priv *rtlpriv = rtl_priv(hw); |
| 1142 | struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw)); |
| 1143 | struct rtl8192_tx_ring *ring = &rtlpci->tx_ring[prio]; |
| 1144 | |
| 1145 | while (skb_queue_len(&ring->queue)) { |
| 1146 | struct rtl_tx_desc *entry = &ring->desc[ring->idx]; |
| 1147 | struct sk_buff *skb = __skb_dequeue(&ring->queue); |
| 1148 | |
| 1149 | pci_unmap_single(rtlpci->pdev, |
Larry Finger | d3bb142 | 2011-04-25 13:23:20 -0500 | [diff] [blame] | 1150 | rtlpriv->cfg-> |
Larry Finger | 0c81733 | 2010-12-08 11:12:31 -0600 | [diff] [blame] | 1151 | ops->get_desc((u8 *) entry, true, |
Larry Finger | d3bb142 | 2011-04-25 13:23:20 -0500 | [diff] [blame] | 1152 | HW_DESC_TXBUFF_ADDR), |
Larry Finger | 0c81733 | 2010-12-08 11:12:31 -0600 | [diff] [blame] | 1153 | skb->len, PCI_DMA_TODEVICE); |
| 1154 | kfree_skb(skb); |
| 1155 | ring->idx = (ring->idx + 1) % ring->entries; |
| 1156 | } |
| 1157 | |
| 1158 | pci_free_consistent(rtlpci->pdev, |
| 1159 | sizeof(*ring->desc) * ring->entries, |
| 1160 | ring->desc, ring->dma); |
| 1161 | ring->desc = NULL; |
| 1162 | } |
| 1163 | |
| 1164 | static void _rtl_pci_free_rx_ring(struct rtl_pci *rtlpci) |
| 1165 | { |
| 1166 | int i, rx_queue_idx; |
| 1167 | |
| 1168 | /*rx_queue_idx 0:RX_MPDU_QUEUE */ |
| 1169 | /*rx_queue_idx 1:RX_CMD_QUEUE */ |
| 1170 | for (rx_queue_idx = 0; rx_queue_idx < RTL_PCI_MAX_RX_QUEUE; |
| 1171 | rx_queue_idx++) { |
| 1172 | for (i = 0; i < rtlpci->rxringcount; i++) { |
| 1173 | struct sk_buff *skb = |
| 1174 | rtlpci->rx_ring[rx_queue_idx].rx_buf[i]; |
| 1175 | if (!skb) |
| 1176 | continue; |
| 1177 | |
| 1178 | pci_unmap_single(rtlpci->pdev, |
| 1179 | *((dma_addr_t *) skb->cb), |
| 1180 | rtlpci->rxbuffersize, |
| 1181 | PCI_DMA_FROMDEVICE); |
| 1182 | kfree_skb(skb); |
| 1183 | } |
| 1184 | |
| 1185 | pci_free_consistent(rtlpci->pdev, |
| 1186 | sizeof(*rtlpci->rx_ring[rx_queue_idx]. |
| 1187 | desc) * rtlpci->rxringcount, |
| 1188 | rtlpci->rx_ring[rx_queue_idx].desc, |
| 1189 | rtlpci->rx_ring[rx_queue_idx].dma); |
| 1190 | rtlpci->rx_ring[rx_queue_idx].desc = NULL; |
| 1191 | } |
| 1192 | } |
| 1193 | |
| 1194 | static int _rtl_pci_init_trx_ring(struct ieee80211_hw *hw) |
| 1195 | { |
| 1196 | struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw)); |
| 1197 | int ret; |
| 1198 | int i; |
| 1199 | |
| 1200 | ret = _rtl_pci_init_rx_ring(hw); |
| 1201 | if (ret) |
| 1202 | return ret; |
| 1203 | |
| 1204 | for (i = 0; i < RTL_PCI_MAX_TX_QUEUE_COUNT; i++) { |
| 1205 | ret = _rtl_pci_init_tx_ring(hw, i, |
| 1206 | rtlpci->txringcount[i]); |
| 1207 | if (ret) |
| 1208 | goto err_free_rings; |
| 1209 | } |
| 1210 | |
| 1211 | return 0; |
| 1212 | |
| 1213 | err_free_rings: |
| 1214 | _rtl_pci_free_rx_ring(rtlpci); |
| 1215 | |
| 1216 | for (i = 0; i < RTL_PCI_MAX_TX_QUEUE_COUNT; i++) |
| 1217 | if (rtlpci->tx_ring[i].desc) |
| 1218 | _rtl_pci_free_tx_ring(hw, i); |
| 1219 | |
| 1220 | return 1; |
| 1221 | } |
| 1222 | |
| 1223 | static int _rtl_pci_deinit_trx_ring(struct ieee80211_hw *hw) |
| 1224 | { |
| 1225 | struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw)); |
| 1226 | u32 i; |
| 1227 | |
| 1228 | /*free rx rings */ |
| 1229 | _rtl_pci_free_rx_ring(rtlpci); |
| 1230 | |
| 1231 | /*free tx rings */ |
| 1232 | for (i = 0; i < RTL_PCI_MAX_TX_QUEUE_COUNT; i++) |
| 1233 | _rtl_pci_free_tx_ring(hw, i); |
| 1234 | |
| 1235 | return 0; |
| 1236 | } |
| 1237 | |
| 1238 | int rtl_pci_reset_trx_ring(struct ieee80211_hw *hw) |
| 1239 | { |
| 1240 | struct rtl_priv *rtlpriv = rtl_priv(hw); |
| 1241 | struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw)); |
| 1242 | int i, rx_queue_idx; |
| 1243 | unsigned long flags; |
| 1244 | u8 tmp_one = 1; |
| 1245 | |
| 1246 | /*rx_queue_idx 0:RX_MPDU_QUEUE */ |
| 1247 | /*rx_queue_idx 1:RX_CMD_QUEUE */ |
| 1248 | for (rx_queue_idx = 0; rx_queue_idx < RTL_PCI_MAX_RX_QUEUE; |
| 1249 | rx_queue_idx++) { |
| 1250 | /* |
| 1251 | *force the rx_ring[RX_MPDU_QUEUE/ |
| 1252 | *RX_CMD_QUEUE].idx to the first one |
| 1253 | */ |
| 1254 | if (rtlpci->rx_ring[rx_queue_idx].desc) { |
| 1255 | struct rtl_rx_desc *entry = NULL; |
| 1256 | |
| 1257 | for (i = 0; i < rtlpci->rxringcount; i++) { |
| 1258 | entry = &rtlpci->rx_ring[rx_queue_idx].desc[i]; |
| 1259 | rtlpriv->cfg->ops->set_desc((u8 *) entry, |
| 1260 | false, |
| 1261 | HW_DESC_RXOWN, |
| 1262 | (u8 *)&tmp_one); |
| 1263 | } |
| 1264 | rtlpci->rx_ring[rx_queue_idx].idx = 0; |
| 1265 | } |
| 1266 | } |
| 1267 | |
| 1268 | /* |
| 1269 | *after reset, release previous pending packet, |
| 1270 | *and force the tx idx to the first one |
| 1271 | */ |
| 1272 | spin_lock_irqsave(&rtlpriv->locks.irq_th_lock, flags); |
| 1273 | for (i = 0; i < RTL_PCI_MAX_TX_QUEUE_COUNT; i++) { |
| 1274 | if (rtlpci->tx_ring[i].desc) { |
| 1275 | struct rtl8192_tx_ring *ring = &rtlpci->tx_ring[i]; |
| 1276 | |
| 1277 | while (skb_queue_len(&ring->queue)) { |
| 1278 | struct rtl_tx_desc *entry = |
| 1279 | &ring->desc[ring->idx]; |
| 1280 | struct sk_buff *skb = |
| 1281 | __skb_dequeue(&ring->queue); |
| 1282 | |
| 1283 | pci_unmap_single(rtlpci->pdev, |
Larry Finger | d3bb142 | 2011-04-25 13:23:20 -0500 | [diff] [blame] | 1284 | rtlpriv->cfg->ops-> |
Larry Finger | 0c81733 | 2010-12-08 11:12:31 -0600 | [diff] [blame] | 1285 | get_desc((u8 *) |
| 1286 | entry, |
| 1287 | true, |
Larry Finger | d3bb142 | 2011-04-25 13:23:20 -0500 | [diff] [blame] | 1288 | HW_DESC_TXBUFF_ADDR), |
Larry Finger | 0c81733 | 2010-12-08 11:12:31 -0600 | [diff] [blame] | 1289 | skb->len, PCI_DMA_TODEVICE); |
| 1290 | kfree_skb(skb); |
| 1291 | ring->idx = (ring->idx + 1) % ring->entries; |
| 1292 | } |
| 1293 | ring->idx = 0; |
| 1294 | } |
| 1295 | } |
| 1296 | |
| 1297 | spin_unlock_irqrestore(&rtlpriv->locks.irq_th_lock, flags); |
| 1298 | |
| 1299 | return 0; |
| 1300 | } |
| 1301 | |
Chaoming_Li | c7cfe38 | 2011-04-25 13:23:15 -0500 | [diff] [blame] | 1302 | static bool rtl_pci_tx_chk_waitq_insert(struct ieee80211_hw *hw, |
| 1303 | struct sk_buff *skb) |
Larry Finger | 0c81733 | 2010-12-08 11:12:31 -0600 | [diff] [blame] | 1304 | { |
| 1305 | struct rtl_priv *rtlpriv = rtl_priv(hw); |
Larry Finger | 0c81733 | 2010-12-08 11:12:31 -0600 | [diff] [blame] | 1306 | struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); |
Chaoming_Li | c7cfe38 | 2011-04-25 13:23:15 -0500 | [diff] [blame] | 1307 | struct ieee80211_sta *sta = info->control.sta; |
| 1308 | struct rtl_sta_info *sta_entry = NULL; |
| 1309 | u8 tid = rtl_get_tid(skb); |
| 1310 | |
| 1311 | if (!sta) |
| 1312 | return false; |
| 1313 | sta_entry = (struct rtl_sta_info *)sta->drv_priv; |
| 1314 | |
| 1315 | if (!rtlpriv->rtlhal.earlymode_enable) |
| 1316 | return false; |
| 1317 | if (sta_entry->tids[tid].agg.agg_state != RTL_AGG_OPERATIONAL) |
| 1318 | return false; |
| 1319 | if (_rtl_mac_to_hwqueue(hw, skb) > VO_QUEUE) |
| 1320 | return false; |
| 1321 | if (tid > 7) |
| 1322 | return false; |
| 1323 | |
| 1324 | /* maybe every tid should be checked */ |
| 1325 | if (!rtlpriv->link_info.higher_busytxtraffic[tid]) |
| 1326 | return false; |
| 1327 | |
| 1328 | spin_lock_bh(&rtlpriv->locks.waitq_lock); |
| 1329 | skb_queue_tail(&rtlpriv->mac80211.skb_waitq[tid], skb); |
| 1330 | spin_unlock_bh(&rtlpriv->locks.waitq_lock); |
| 1331 | |
| 1332 | return true; |
| 1333 | } |
| 1334 | |
Larry Finger | d3bb142 | 2011-04-25 13:23:20 -0500 | [diff] [blame] | 1335 | static int rtl_pci_tx(struct ieee80211_hw *hw, struct sk_buff *skb, |
Chaoming_Li | c7cfe38 | 2011-04-25 13:23:15 -0500 | [diff] [blame] | 1336 | struct rtl_tcb_desc *ptcb_desc) |
| 1337 | { |
| 1338 | struct rtl_priv *rtlpriv = rtl_priv(hw); |
| 1339 | struct rtl_sta_info *sta_entry = NULL; |
| 1340 | struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); |
| 1341 | struct ieee80211_sta *sta = info->control.sta; |
Larry Finger | 0c81733 | 2010-12-08 11:12:31 -0600 | [diff] [blame] | 1342 | struct rtl8192_tx_ring *ring; |
| 1343 | struct rtl_tx_desc *pdesc; |
| 1344 | u8 idx; |
Chaoming_Li | c7cfe38 | 2011-04-25 13:23:15 -0500 | [diff] [blame] | 1345 | u8 hw_queue = _rtl_mac_to_hwqueue(hw, skb); |
Larry Finger | 0c81733 | 2010-12-08 11:12:31 -0600 | [diff] [blame] | 1346 | unsigned long flags; |
Chaoming_Li | c7cfe38 | 2011-04-25 13:23:15 -0500 | [diff] [blame] | 1347 | struct ieee80211_hdr *hdr = rtl_get_hdr(skb); |
| 1348 | __le16 fc = rtl_get_fc(skb); |
Larry Finger | 0c81733 | 2010-12-08 11:12:31 -0600 | [diff] [blame] | 1349 | u8 *pda_addr = hdr->addr1; |
| 1350 | struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw)); |
| 1351 | /*ssn */ |
Larry Finger | 0c81733 | 2010-12-08 11:12:31 -0600 | [diff] [blame] | 1352 | u8 tid = 0; |
| 1353 | u16 seq_number = 0; |
| 1354 | u8 own; |
| 1355 | u8 temp_one = 1; |
| 1356 | |
Chaoming_Li | c7cfe38 | 2011-04-25 13:23:15 -0500 | [diff] [blame] | 1357 | if (ieee80211_is_auth(fc)) { |
| 1358 | RT_TRACE(rtlpriv, COMP_SEND, DBG_DMESG, ("MAC80211_LINKING\n")); |
| 1359 | rtl_ips_nic_on(hw); |
| 1360 | } |
Larry Finger | 0c81733 | 2010-12-08 11:12:31 -0600 | [diff] [blame] | 1361 | |
Chaoming_Li | c7cfe38 | 2011-04-25 13:23:15 -0500 | [diff] [blame] | 1362 | if (rtlpriv->psc.sw_ps_enabled) { |
| 1363 | if (ieee80211_is_data(fc) && !ieee80211_is_nullfunc(fc) && |
| 1364 | !ieee80211_has_pm(fc)) |
| 1365 | hdr->frame_control |= cpu_to_le16(IEEE80211_FCTL_PM); |
| 1366 | } |
| 1367 | |
| 1368 | rtl_action_proc(hw, skb, true); |
Larry Finger | 0c81733 | 2010-12-08 11:12:31 -0600 | [diff] [blame] | 1369 | |
| 1370 | if (is_multicast_ether_addr(pda_addr)) |
| 1371 | rtlpriv->stats.txbytesmulticast += skb->len; |
| 1372 | else if (is_broadcast_ether_addr(pda_addr)) |
| 1373 | rtlpriv->stats.txbytesbroadcast += skb->len; |
| 1374 | else |
| 1375 | rtlpriv->stats.txbytesunicast += skb->len; |
| 1376 | |
| 1377 | spin_lock_irqsave(&rtlpriv->locks.irq_th_lock, flags); |
Larry Finger | 0c81733 | 2010-12-08 11:12:31 -0600 | [diff] [blame] | 1378 | ring = &rtlpci->tx_ring[hw_queue]; |
| 1379 | if (hw_queue != BEACON_QUEUE) |
| 1380 | idx = (ring->idx + skb_queue_len(&ring->queue)) % |
| 1381 | ring->entries; |
| 1382 | else |
| 1383 | idx = 0; |
| 1384 | |
| 1385 | pdesc = &ring->desc[idx]; |
| 1386 | own = (u8) rtlpriv->cfg->ops->get_desc((u8 *) pdesc, |
| 1387 | true, HW_DESC_OWN); |
| 1388 | |
| 1389 | if ((own == 1) && (hw_queue != BEACON_QUEUE)) { |
| 1390 | RT_TRACE(rtlpriv, COMP_ERR, DBG_WARNING, |
| 1391 | ("No more TX desc@%d, ring->idx = %d," |
| 1392 | "idx = %d, skb_queue_len = 0x%d\n", |
| 1393 | hw_queue, ring->idx, idx, |
| 1394 | skb_queue_len(&ring->queue))); |
| 1395 | |
| 1396 | spin_unlock_irqrestore(&rtlpriv->locks.irq_th_lock, flags); |
| 1397 | return skb->len; |
| 1398 | } |
| 1399 | |
Larry Finger | 0c81733 | 2010-12-08 11:12:31 -0600 | [diff] [blame] | 1400 | if (ieee80211_is_data_qos(fc)) { |
Chaoming_Li | c7cfe38 | 2011-04-25 13:23:15 -0500 | [diff] [blame] | 1401 | tid = rtl_get_tid(skb); |
| 1402 | if (sta) { |
| 1403 | sta_entry = (struct rtl_sta_info *)sta->drv_priv; |
| 1404 | seq_number = (le16_to_cpu(hdr->seq_ctrl) & |
| 1405 | IEEE80211_SCTL_SEQ) >> 4; |
| 1406 | seq_number += 1; |
Larry Finger | 0c81733 | 2010-12-08 11:12:31 -0600 | [diff] [blame] | 1407 | |
Chaoming_Li | c7cfe38 | 2011-04-25 13:23:15 -0500 | [diff] [blame] | 1408 | if (!ieee80211_has_morefrags(hdr->frame_control)) |
| 1409 | sta_entry->tids[tid].seq_number = seq_number; |
| 1410 | } |
Larry Finger | 0c81733 | 2010-12-08 11:12:31 -0600 | [diff] [blame] | 1411 | } |
| 1412 | |
| 1413 | if (ieee80211_is_data(fc)) |
| 1414 | rtlpriv->cfg->ops->led_control(hw, LED_CTL_TX); |
| 1415 | |
Chaoming_Li | c7cfe38 | 2011-04-25 13:23:15 -0500 | [diff] [blame] | 1416 | rtlpriv->cfg->ops->fill_tx_desc(hw, hdr, (u8 *)pdesc, |
| 1417 | info, skb, hw_queue, ptcb_desc); |
Larry Finger | 0c81733 | 2010-12-08 11:12:31 -0600 | [diff] [blame] | 1418 | |
| 1419 | __skb_queue_tail(&ring->queue, skb); |
| 1420 | |
Chaoming_Li | c7cfe38 | 2011-04-25 13:23:15 -0500 | [diff] [blame] | 1421 | rtlpriv->cfg->ops->set_desc((u8 *)pdesc, true, |
Larry Finger | 0c81733 | 2010-12-08 11:12:31 -0600 | [diff] [blame] | 1422 | HW_DESC_OWN, (u8 *)&temp_one); |
| 1423 | |
Larry Finger | 0c81733 | 2010-12-08 11:12:31 -0600 | [diff] [blame] | 1424 | |
| 1425 | if ((ring->entries - skb_queue_len(&ring->queue)) < 2 && |
| 1426 | hw_queue != BEACON_QUEUE) { |
| 1427 | |
| 1428 | RT_TRACE(rtlpriv, COMP_ERR, DBG_LOUD, |
| 1429 | ("less desc left, stop skb_queue@%d, " |
| 1430 | "ring->idx = %d," |
| 1431 | "idx = %d, skb_queue_len = 0x%d\n", |
| 1432 | hw_queue, ring->idx, idx, |
| 1433 | skb_queue_len(&ring->queue))); |
| 1434 | |
| 1435 | ieee80211_stop_queue(hw, skb_get_queue_mapping(skb)); |
| 1436 | } |
| 1437 | |
| 1438 | spin_unlock_irqrestore(&rtlpriv->locks.irq_th_lock, flags); |
| 1439 | |
| 1440 | rtlpriv->cfg->ops->tx_polling(hw, hw_queue); |
| 1441 | |
| 1442 | return 0; |
| 1443 | } |
| 1444 | |
Chaoming_Li | c7cfe38 | 2011-04-25 13:23:15 -0500 | [diff] [blame] | 1445 | static void rtl_pci_flush(struct ieee80211_hw *hw, bool drop) |
| 1446 | { |
| 1447 | struct rtl_priv *rtlpriv = rtl_priv(hw); |
| 1448 | struct rtl_pci_priv *pcipriv = rtl_pcipriv(hw); |
| 1449 | struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw)); |
| 1450 | u16 i = 0; |
| 1451 | int queue_id; |
| 1452 | struct rtl8192_tx_ring *ring; |
| 1453 | |
| 1454 | for (queue_id = RTL_PCI_MAX_TX_QUEUE_COUNT - 1; queue_id >= 0;) { |
| 1455 | u32 queue_len; |
| 1456 | ring = &pcipriv->dev.tx_ring[queue_id]; |
| 1457 | queue_len = skb_queue_len(&ring->queue); |
| 1458 | if (queue_len == 0 || queue_id == BEACON_QUEUE || |
| 1459 | queue_id == TXCMD_QUEUE) { |
| 1460 | queue_id--; |
| 1461 | continue; |
| 1462 | } else { |
| 1463 | msleep(20); |
| 1464 | i++; |
| 1465 | } |
| 1466 | |
| 1467 | /* we just wait 1s for all queues */ |
| 1468 | if (rtlpriv->psc.rfpwr_state == ERFOFF || |
| 1469 | is_hal_stop(rtlhal) || i >= 200) |
| 1470 | return; |
| 1471 | } |
| 1472 | } |
| 1473 | |
Larry Finger | d3bb142 | 2011-04-25 13:23:20 -0500 | [diff] [blame] | 1474 | static void rtl_pci_deinit(struct ieee80211_hw *hw) |
Larry Finger | 0c81733 | 2010-12-08 11:12:31 -0600 | [diff] [blame] | 1475 | { |
| 1476 | struct rtl_priv *rtlpriv = rtl_priv(hw); |
| 1477 | struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw)); |
| 1478 | |
| 1479 | _rtl_pci_deinit_trx_ring(hw); |
| 1480 | |
| 1481 | synchronize_irq(rtlpci->pdev->irq); |
| 1482 | tasklet_kill(&rtlpriv->works.irq_tasklet); |
Stanislaw Gruszka | 41affd5 | 2011-12-12 12:43:23 +0100 | [diff] [blame] | 1483 | cancel_work_sync(&rtlpriv->works.lps_leave_work); |
Larry Finger | 0c81733 | 2010-12-08 11:12:31 -0600 | [diff] [blame] | 1484 | |
| 1485 | flush_workqueue(rtlpriv->works.rtl_wq); |
| 1486 | destroy_workqueue(rtlpriv->works.rtl_wq); |
| 1487 | |
| 1488 | } |
| 1489 | |
Larry Finger | d3bb142 | 2011-04-25 13:23:20 -0500 | [diff] [blame] | 1490 | static int rtl_pci_init(struct ieee80211_hw *hw, struct pci_dev *pdev) |
Larry Finger | 0c81733 | 2010-12-08 11:12:31 -0600 | [diff] [blame] | 1491 | { |
| 1492 | struct rtl_priv *rtlpriv = rtl_priv(hw); |
| 1493 | int err; |
| 1494 | |
| 1495 | _rtl_pci_init_struct(hw, pdev); |
| 1496 | |
| 1497 | err = _rtl_pci_init_trx_ring(hw); |
| 1498 | if (err) { |
| 1499 | RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG, |
| 1500 | ("tx ring initialization failed")); |
| 1501 | return err; |
| 1502 | } |
| 1503 | |
Simon Graham | c27111e | 2012-02-09 09:55:13 -0500 | [diff] [blame] | 1504 | return 0; |
Larry Finger | 0c81733 | 2010-12-08 11:12:31 -0600 | [diff] [blame] | 1505 | } |
| 1506 | |
Larry Finger | d3bb142 | 2011-04-25 13:23:20 -0500 | [diff] [blame] | 1507 | static int rtl_pci_start(struct ieee80211_hw *hw) |
Larry Finger | 0c81733 | 2010-12-08 11:12:31 -0600 | [diff] [blame] | 1508 | { |
| 1509 | struct rtl_priv *rtlpriv = rtl_priv(hw); |
| 1510 | struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw)); |
| 1511 | struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw)); |
| 1512 | struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw)); |
| 1513 | |
| 1514 | int err; |
| 1515 | |
| 1516 | rtl_pci_reset_trx_ring(hw); |
| 1517 | |
| 1518 | rtlpci->driver_is_goingto_unload = false; |
| 1519 | err = rtlpriv->cfg->ops->hw_init(hw); |
| 1520 | if (err) { |
| 1521 | RT_TRACE(rtlpriv, COMP_INIT, DBG_DMESG, |
| 1522 | ("Failed to config hardware!\n")); |
| 1523 | return err; |
| 1524 | } |
| 1525 | |
| 1526 | rtlpriv->cfg->ops->enable_interrupt(hw); |
| 1527 | RT_TRACE(rtlpriv, COMP_INIT, DBG_LOUD, ("enable_interrupt OK\n")); |
| 1528 | |
| 1529 | rtl_init_rx_config(hw); |
| 1530 | |
Vitaliy Ivanov | fb914eb | 2011-06-23 20:01:55 +0300 | [diff] [blame] | 1531 | /*should be after adapter start and interrupt enable. */ |
Larry Finger | 0c81733 | 2010-12-08 11:12:31 -0600 | [diff] [blame] | 1532 | set_hal_start(rtlhal); |
| 1533 | |
| 1534 | RT_CLEAR_PS_LEVEL(ppsc, RT_RF_OFF_LEVL_HALT_NIC); |
| 1535 | |
| 1536 | rtlpci->up_first_time = false; |
| 1537 | |
| 1538 | RT_TRACE(rtlpriv, COMP_INIT, DBG_DMESG, ("OK\n")); |
| 1539 | return 0; |
| 1540 | } |
| 1541 | |
Larry Finger | d3bb142 | 2011-04-25 13:23:20 -0500 | [diff] [blame] | 1542 | static void rtl_pci_stop(struct ieee80211_hw *hw) |
Larry Finger | 0c81733 | 2010-12-08 11:12:31 -0600 | [diff] [blame] | 1543 | { |
| 1544 | struct rtl_priv *rtlpriv = rtl_priv(hw); |
| 1545 | struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw)); |
| 1546 | struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw)); |
| 1547 | struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw)); |
| 1548 | unsigned long flags; |
| 1549 | u8 RFInProgressTimeOut = 0; |
| 1550 | |
| 1551 | /* |
Vitaliy Ivanov | fb914eb | 2011-06-23 20:01:55 +0300 | [diff] [blame] | 1552 | *should be before disable interrupt&adapter |
Larry Finger | 0c81733 | 2010-12-08 11:12:31 -0600 | [diff] [blame] | 1553 | *and will do it immediately. |
| 1554 | */ |
| 1555 | set_hal_stop(rtlhal); |
| 1556 | |
| 1557 | rtlpriv->cfg->ops->disable_interrupt(hw); |
Stanislaw Gruszka | 41affd5 | 2011-12-12 12:43:23 +0100 | [diff] [blame] | 1558 | cancel_work_sync(&rtlpriv->works.lps_leave_work); |
Larry Finger | 0c81733 | 2010-12-08 11:12:31 -0600 | [diff] [blame] | 1559 | |
| 1560 | spin_lock_irqsave(&rtlpriv->locks.rf_ps_lock, flags); |
| 1561 | while (ppsc->rfchange_inprogress) { |
| 1562 | spin_unlock_irqrestore(&rtlpriv->locks.rf_ps_lock, flags); |
| 1563 | if (RFInProgressTimeOut > 100) { |
| 1564 | spin_lock_irqsave(&rtlpriv->locks.rf_ps_lock, flags); |
| 1565 | break; |
| 1566 | } |
| 1567 | mdelay(1); |
| 1568 | RFInProgressTimeOut++; |
| 1569 | spin_lock_irqsave(&rtlpriv->locks.rf_ps_lock, flags); |
| 1570 | } |
| 1571 | ppsc->rfchange_inprogress = true; |
| 1572 | spin_unlock_irqrestore(&rtlpriv->locks.rf_ps_lock, flags); |
| 1573 | |
| 1574 | rtlpci->driver_is_goingto_unload = true; |
| 1575 | rtlpriv->cfg->ops->hw_disable(hw); |
| 1576 | rtlpriv->cfg->ops->led_control(hw, LED_CTL_POWER_OFF); |
| 1577 | |
| 1578 | spin_lock_irqsave(&rtlpriv->locks.rf_ps_lock, flags); |
| 1579 | ppsc->rfchange_inprogress = false; |
| 1580 | spin_unlock_irqrestore(&rtlpriv->locks.rf_ps_lock, flags); |
| 1581 | |
| 1582 | rtl_pci_enable_aspm(hw); |
| 1583 | } |
| 1584 | |
| 1585 | static bool _rtl_pci_find_adapter(struct pci_dev *pdev, |
| 1586 | struct ieee80211_hw *hw) |
| 1587 | { |
| 1588 | struct rtl_priv *rtlpriv = rtl_priv(hw); |
| 1589 | struct rtl_pci_priv *pcipriv = rtl_pcipriv(hw); |
| 1590 | struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw)); |
| 1591 | struct pci_dev *bridge_pdev = pdev->bus->self; |
| 1592 | u16 venderid; |
| 1593 | u16 deviceid; |
Chaoming_Li | c7cfe38 | 2011-04-25 13:23:15 -0500 | [diff] [blame] | 1594 | u8 revisionid; |
Larry Finger | 0c81733 | 2010-12-08 11:12:31 -0600 | [diff] [blame] | 1595 | u16 irqline; |
| 1596 | u8 tmp; |
| 1597 | |
Chaoming Li | fc7707a | 2011-05-06 15:32:02 -0500 | [diff] [blame] | 1598 | pcipriv->ndis_adapter.pcibridge_vendor = PCI_BRIDGE_VENDOR_UNKNOWN; |
Larry Finger | 0c81733 | 2010-12-08 11:12:31 -0600 | [diff] [blame] | 1599 | venderid = pdev->vendor; |
| 1600 | deviceid = pdev->device; |
Chaoming_Li | c7cfe38 | 2011-04-25 13:23:15 -0500 | [diff] [blame] | 1601 | pci_read_config_byte(pdev, 0x8, &revisionid); |
Larry Finger | 0c81733 | 2010-12-08 11:12:31 -0600 | [diff] [blame] | 1602 | pci_read_config_word(pdev, 0x3C, &irqline); |
| 1603 | |
Larry Finger | fa7ccfb | 2011-06-18 22:49:53 -0500 | [diff] [blame] | 1604 | /* PCI ID 0x10ec:0x8192 occurs for both RTL8192E, which uses |
| 1605 | * r8192e_pci, and RTL8192SE, which uses this driver. If the |
| 1606 | * revision ID is RTL_PCI_REVISION_ID_8192PCIE (0x01), then |
| 1607 | * the correct driver is r8192e_pci, thus this routine should |
| 1608 | * return false. |
| 1609 | */ |
| 1610 | if (deviceid == RTL_PCI_8192SE_DID && |
| 1611 | revisionid == RTL_PCI_REVISION_ID_8192PCIE) |
| 1612 | return false; |
| 1613 | |
Larry Finger | 0c81733 | 2010-12-08 11:12:31 -0600 | [diff] [blame] | 1614 | if (deviceid == RTL_PCI_8192_DID || |
| 1615 | deviceid == RTL_PCI_0044_DID || |
| 1616 | deviceid == RTL_PCI_0047_DID || |
| 1617 | deviceid == RTL_PCI_8192SE_DID || |
| 1618 | deviceid == RTL_PCI_8174_DID || |
| 1619 | deviceid == RTL_PCI_8173_DID || |
| 1620 | deviceid == RTL_PCI_8172_DID || |
| 1621 | deviceid == RTL_PCI_8171_DID) { |
Chaoming_Li | c7cfe38 | 2011-04-25 13:23:15 -0500 | [diff] [blame] | 1622 | switch (revisionid) { |
Larry Finger | 0c81733 | 2010-12-08 11:12:31 -0600 | [diff] [blame] | 1623 | case RTL_PCI_REVISION_ID_8192PCIE: |
| 1624 | RT_TRACE(rtlpriv, COMP_INIT, DBG_DMESG, |
| 1625 | ("8192 PCI-E is found - " |
| 1626 | "vid/did=%x/%x\n", venderid, deviceid)); |
| 1627 | rtlhal->hw_type = HARDWARE_TYPE_RTL8192E; |
| 1628 | break; |
| 1629 | case RTL_PCI_REVISION_ID_8192SE: |
| 1630 | RT_TRACE(rtlpriv, COMP_INIT, DBG_DMESG, |
| 1631 | ("8192SE is found - " |
| 1632 | "vid/did=%x/%x\n", venderid, deviceid)); |
| 1633 | rtlhal->hw_type = HARDWARE_TYPE_RTL8192SE; |
| 1634 | break; |
| 1635 | default: |
| 1636 | RT_TRACE(rtlpriv, COMP_ERR, DBG_WARNING, |
| 1637 | ("Err: Unknown device - " |
| 1638 | "vid/did=%x/%x\n", venderid, deviceid)); |
| 1639 | rtlhal->hw_type = HARDWARE_TYPE_RTL8192SE; |
| 1640 | break; |
| 1641 | |
| 1642 | } |
| 1643 | } else if (deviceid == RTL_PCI_8192CET_DID || |
| 1644 | deviceid == RTL_PCI_8192CE_DID || |
| 1645 | deviceid == RTL_PCI_8191CE_DID || |
| 1646 | deviceid == RTL_PCI_8188CE_DID) { |
| 1647 | rtlhal->hw_type = HARDWARE_TYPE_RTL8192CE; |
| 1648 | RT_TRACE(rtlpriv, COMP_INIT, DBG_DMESG, |
| 1649 | ("8192C PCI-E is found - " |
| 1650 | "vid/did=%x/%x\n", venderid, deviceid)); |
Chaoming_Li | c7cfe38 | 2011-04-25 13:23:15 -0500 | [diff] [blame] | 1651 | } else if (deviceid == RTL_PCI_8192DE_DID || |
| 1652 | deviceid == RTL_PCI_8192DE_DID2) { |
| 1653 | rtlhal->hw_type = HARDWARE_TYPE_RTL8192DE; |
| 1654 | RT_TRACE(rtlpriv, COMP_INIT, DBG_DMESG, |
| 1655 | ("8192D PCI-E is found - " |
| 1656 | "vid/did=%x/%x\n", venderid, deviceid)); |
Larry Finger | 0c81733 | 2010-12-08 11:12:31 -0600 | [diff] [blame] | 1657 | } else { |
| 1658 | RT_TRACE(rtlpriv, COMP_ERR, DBG_WARNING, |
| 1659 | ("Err: Unknown device -" |
| 1660 | " vid/did=%x/%x\n", venderid, deviceid)); |
| 1661 | |
| 1662 | rtlhal->hw_type = RTL_DEFAULT_HARDWARE_TYPE; |
| 1663 | } |
| 1664 | |
Chaoming_Li | c7cfe38 | 2011-04-25 13:23:15 -0500 | [diff] [blame] | 1665 | if (rtlhal->hw_type == HARDWARE_TYPE_RTL8192DE) { |
| 1666 | if (revisionid == 0 || revisionid == 1) { |
| 1667 | if (revisionid == 0) { |
| 1668 | RT_TRACE(rtlpriv, COMP_INIT, |
| 1669 | DBG_LOUD, ("Find 92DE MAC0.\n")); |
| 1670 | rtlhal->interfaceindex = 0; |
| 1671 | } else if (revisionid == 1) { |
| 1672 | RT_TRACE(rtlpriv, COMP_INIT, DBG_LOUD, |
| 1673 | ("Find 92DE MAC1.\n")); |
| 1674 | rtlhal->interfaceindex = 1; |
| 1675 | } |
| 1676 | } else { |
| 1677 | RT_TRACE(rtlpriv, COMP_INIT, DBG_LOUD, |
| 1678 | ("Unknown device - " |
| 1679 | "VendorID/DeviceID=%x/%x, Revision=%x\n", |
| 1680 | venderid, deviceid, revisionid)); |
| 1681 | rtlhal->interfaceindex = 0; |
| 1682 | } |
| 1683 | } |
Larry Finger | 0c81733 | 2010-12-08 11:12:31 -0600 | [diff] [blame] | 1684 | /*find bus info */ |
| 1685 | pcipriv->ndis_adapter.busnumber = pdev->bus->number; |
| 1686 | pcipriv->ndis_adapter.devnumber = PCI_SLOT(pdev->devfn); |
| 1687 | pcipriv->ndis_adapter.funcnumber = PCI_FUNC(pdev->devfn); |
| 1688 | |
Larry Finger | b6b67df | 2011-07-29 10:53:12 -0500 | [diff] [blame] | 1689 | if (bridge_pdev) { |
| 1690 | /*find bridge info if available */ |
| 1691 | pcipriv->ndis_adapter.pcibridge_vendorid = bridge_pdev->vendor; |
| 1692 | for (tmp = 0; tmp < PCI_BRIDGE_VENDOR_MAX; tmp++) { |
| 1693 | if (bridge_pdev->vendor == pcibridge_vendors[tmp]) { |
| 1694 | pcipriv->ndis_adapter.pcibridge_vendor = tmp; |
| 1695 | RT_TRACE(rtlpriv, COMP_INIT, DBG_DMESG, |
| 1696 | ("Pci Bridge Vendor is found index:" |
| 1697 | " %d\n", tmp)); |
| 1698 | break; |
| 1699 | } |
Larry Finger | 0c81733 | 2010-12-08 11:12:31 -0600 | [diff] [blame] | 1700 | } |
| 1701 | } |
| 1702 | |
| 1703 | if (pcipriv->ndis_adapter.pcibridge_vendor != |
| 1704 | PCI_BRIDGE_VENDOR_UNKNOWN) { |
| 1705 | pcipriv->ndis_adapter.pcibridge_busnum = |
| 1706 | bridge_pdev->bus->number; |
| 1707 | pcipriv->ndis_adapter.pcibridge_devnum = |
| 1708 | PCI_SLOT(bridge_pdev->devfn); |
| 1709 | pcipriv->ndis_adapter.pcibridge_funcnum = |
| 1710 | PCI_FUNC(bridge_pdev->devfn); |
Chaoming_Li | c7cfe38 | 2011-04-25 13:23:15 -0500 | [diff] [blame] | 1711 | pcipriv->ndis_adapter.pcibridge_pciehdr_offset = |
| 1712 | pci_pcie_cap(bridge_pdev); |
Larry Finger | 0c81733 | 2010-12-08 11:12:31 -0600 | [diff] [blame] | 1713 | pcipriv->ndis_adapter.num4bytes = |
| 1714 | (pcipriv->ndis_adapter.pcibridge_pciehdr_offset + 0x10) / 4; |
| 1715 | |
| 1716 | rtl_pci_get_linkcontrol_field(hw); |
| 1717 | |
| 1718 | if (pcipriv->ndis_adapter.pcibridge_vendor == |
| 1719 | PCI_BRIDGE_VENDOR_AMD) { |
| 1720 | pcipriv->ndis_adapter.amd_l1_patch = |
| 1721 | rtl_pci_get_amd_l1_patch(hw); |
| 1722 | } |
| 1723 | } |
| 1724 | |
| 1725 | RT_TRACE(rtlpriv, COMP_INIT, DBG_DMESG, |
| 1726 | ("pcidev busnumber:devnumber:funcnumber:" |
| 1727 | "vendor:link_ctl %d:%d:%d:%x:%x\n", |
| 1728 | pcipriv->ndis_adapter.busnumber, |
| 1729 | pcipriv->ndis_adapter.devnumber, |
| 1730 | pcipriv->ndis_adapter.funcnumber, |
| 1731 | pdev->vendor, pcipriv->ndis_adapter.linkctrl_reg)); |
| 1732 | |
| 1733 | RT_TRACE(rtlpriv, COMP_INIT, DBG_DMESG, |
| 1734 | ("pci_bridge busnumber:devnumber:funcnumber:vendor:" |
| 1735 | "pcie_cap:link_ctl_reg:amd %d:%d:%d:%x:%x:%x:%x\n", |
| 1736 | pcipriv->ndis_adapter.pcibridge_busnum, |
| 1737 | pcipriv->ndis_adapter.pcibridge_devnum, |
| 1738 | pcipriv->ndis_adapter.pcibridge_funcnum, |
| 1739 | pcibridge_vendors[pcipriv->ndis_adapter.pcibridge_vendor], |
| 1740 | pcipriv->ndis_adapter.pcibridge_pciehdr_offset, |
| 1741 | pcipriv->ndis_adapter.pcibridge_linkctrlreg, |
| 1742 | pcipriv->ndis_adapter.amd_l1_patch)); |
| 1743 | |
| 1744 | rtl_pci_parse_configuration(pdev, hw); |
| 1745 | |
| 1746 | return true; |
| 1747 | } |
| 1748 | |
| 1749 | int __devinit rtl_pci_probe(struct pci_dev *pdev, |
| 1750 | const struct pci_device_id *id) |
| 1751 | { |
| 1752 | struct ieee80211_hw *hw = NULL; |
| 1753 | |
| 1754 | struct rtl_priv *rtlpriv = NULL; |
| 1755 | struct rtl_pci_priv *pcipriv = NULL; |
| 1756 | struct rtl_pci *rtlpci; |
| 1757 | unsigned long pmem_start, pmem_len, pmem_flags; |
| 1758 | int err; |
| 1759 | |
| 1760 | err = pci_enable_device(pdev); |
| 1761 | if (err) { |
| 1762 | RT_ASSERT(false, |
| 1763 | ("%s : Cannot enable new PCI device\n", |
| 1764 | pci_name(pdev))); |
| 1765 | return err; |
| 1766 | } |
| 1767 | |
| 1768 | if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(32))) { |
| 1769 | if (pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32))) { |
| 1770 | RT_ASSERT(false, ("Unable to obtain 32bit DMA " |
| 1771 | "for consistent allocations\n")); |
| 1772 | pci_disable_device(pdev); |
| 1773 | return -ENOMEM; |
| 1774 | } |
| 1775 | } |
| 1776 | |
| 1777 | pci_set_master(pdev); |
| 1778 | |
| 1779 | hw = ieee80211_alloc_hw(sizeof(struct rtl_pci_priv) + |
| 1780 | sizeof(struct rtl_priv), &rtl_ops); |
| 1781 | if (!hw) { |
| 1782 | RT_ASSERT(false, |
| 1783 | ("%s : ieee80211 alloc failed\n", pci_name(pdev))); |
| 1784 | err = -ENOMEM; |
| 1785 | goto fail1; |
| 1786 | } |
| 1787 | |
| 1788 | SET_IEEE80211_DEV(hw, &pdev->dev); |
| 1789 | pci_set_drvdata(pdev, hw); |
| 1790 | |
| 1791 | rtlpriv = hw->priv; |
| 1792 | pcipriv = (void *)rtlpriv->priv; |
| 1793 | pcipriv->dev.pdev = pdev; |
| 1794 | |
Chaoming_Li | c7cfe38 | 2011-04-25 13:23:15 -0500 | [diff] [blame] | 1795 | /* init cfg & intf_ops */ |
| 1796 | rtlpriv->rtlhal.interface = INTF_PCI; |
| 1797 | rtlpriv->cfg = (struct rtl_hal_cfg *)(id->driver_data); |
| 1798 | rtlpriv->intf_ops = &rtl_pci_ops; |
| 1799 | |
Larry Finger | 0c81733 | 2010-12-08 11:12:31 -0600 | [diff] [blame] | 1800 | /* |
| 1801 | *init dbgp flags before all |
| 1802 | *other functions, because we will |
| 1803 | *use it in other funtions like |
| 1804 | *RT_TRACE/RT_PRINT/RTL_PRINT_DATA |
| 1805 | *you can not use these macro |
| 1806 | *before this |
| 1807 | */ |
| 1808 | rtl_dbgp_flag_init(hw); |
| 1809 | |
| 1810 | /* MEM map */ |
| 1811 | err = pci_request_regions(pdev, KBUILD_MODNAME); |
| 1812 | if (err) { |
| 1813 | RT_ASSERT(false, ("Can't obtain PCI resources\n")); |
| 1814 | return err; |
| 1815 | } |
| 1816 | |
Chaoming_Li | c7cfe38 | 2011-04-25 13:23:15 -0500 | [diff] [blame] | 1817 | pmem_start = pci_resource_start(pdev, rtlpriv->cfg->bar_id); |
| 1818 | pmem_len = pci_resource_len(pdev, rtlpriv->cfg->bar_id); |
| 1819 | pmem_flags = pci_resource_flags(pdev, rtlpriv->cfg->bar_id); |
Larry Finger | 0c81733 | 2010-12-08 11:12:31 -0600 | [diff] [blame] | 1820 | |
| 1821 | /*shared mem start */ |
| 1822 | rtlpriv->io.pci_mem_start = |
Chaoming_Li | c7cfe38 | 2011-04-25 13:23:15 -0500 | [diff] [blame] | 1823 | (unsigned long)pci_iomap(pdev, |
| 1824 | rtlpriv->cfg->bar_id, pmem_len); |
Larry Finger | 0c81733 | 2010-12-08 11:12:31 -0600 | [diff] [blame] | 1825 | if (rtlpriv->io.pci_mem_start == 0) { |
| 1826 | RT_ASSERT(false, ("Can't map PCI mem\n")); |
| 1827 | goto fail2; |
| 1828 | } |
| 1829 | |
| 1830 | RT_TRACE(rtlpriv, COMP_INIT, DBG_DMESG, |
| 1831 | ("mem mapped space: start: 0x%08lx len:%08lx " |
| 1832 | "flags:%08lx, after map:0x%08lx\n", |
| 1833 | pmem_start, pmem_len, pmem_flags, |
| 1834 | rtlpriv->io.pci_mem_start)); |
| 1835 | |
| 1836 | /* Disable Clk Request */ |
| 1837 | pci_write_config_byte(pdev, 0x81, 0); |
| 1838 | /* leave D3 mode */ |
| 1839 | pci_write_config_byte(pdev, 0x44, 0); |
| 1840 | pci_write_config_byte(pdev, 0x04, 0x06); |
| 1841 | pci_write_config_byte(pdev, 0x04, 0x07); |
| 1842 | |
Larry Finger | 0c81733 | 2010-12-08 11:12:31 -0600 | [diff] [blame] | 1843 | /* find adapter */ |
Larry Finger | fa7ccfb | 2011-06-18 22:49:53 -0500 | [diff] [blame] | 1844 | if (!_rtl_pci_find_adapter(pdev, hw)) |
| 1845 | goto fail3; |
Larry Finger | 0c81733 | 2010-12-08 11:12:31 -0600 | [diff] [blame] | 1846 | |
| 1847 | /* Init IO handler */ |
| 1848 | _rtl_pci_io_handler_init(&pdev->dev, hw); |
| 1849 | |
| 1850 | /*like read eeprom and so on */ |
| 1851 | rtlpriv->cfg->ops->read_eeprom_info(hw); |
| 1852 | |
| 1853 | if (rtlpriv->cfg->ops->init_sw_vars(hw)) { |
| 1854 | RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG, |
| 1855 | ("Can't init_sw_vars.\n")); |
| 1856 | goto fail3; |
| 1857 | } |
| 1858 | |
| 1859 | rtlpriv->cfg->ops->init_sw_leds(hw); |
| 1860 | |
| 1861 | /*aspm */ |
| 1862 | rtl_pci_init_aspm(hw); |
| 1863 | |
| 1864 | /* Init mac80211 sw */ |
| 1865 | err = rtl_init_core(hw); |
| 1866 | if (err) { |
| 1867 | RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG, |
| 1868 | ("Can't allocate sw for mac80211.\n")); |
| 1869 | goto fail3; |
| 1870 | } |
| 1871 | |
| 1872 | /* Init PCI sw */ |
Simon Graham | c27111e | 2012-02-09 09:55:13 -0500 | [diff] [blame] | 1873 | err = rtl_pci_init(hw, pdev); |
Larry Finger | 0c81733 | 2010-12-08 11:12:31 -0600 | [diff] [blame] | 1874 | if (err) { |
| 1875 | RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG, |
| 1876 | ("Failed to init PCI.\n")); |
| 1877 | goto fail3; |
| 1878 | } |
| 1879 | |
| 1880 | err = ieee80211_register_hw(hw); |
| 1881 | if (err) { |
| 1882 | RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG, |
| 1883 | ("Can't register mac80211 hw.\n")); |
| 1884 | goto fail3; |
| 1885 | } else { |
| 1886 | rtlpriv->mac80211.mac80211_registered = 1; |
| 1887 | } |
| 1888 | |
| 1889 | err = sysfs_create_group(&pdev->dev.kobj, &rtl_attribute_group); |
| 1890 | if (err) { |
| 1891 | RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG, |
| 1892 | ("failed to create sysfs device attributes\n")); |
| 1893 | goto fail3; |
| 1894 | } |
| 1895 | |
| 1896 | /*init rfkill */ |
| 1897 | rtl_init_rfkill(hw); |
| 1898 | |
| 1899 | rtlpci = rtl_pcidev(pcipriv); |
| 1900 | err = request_irq(rtlpci->pdev->irq, &_rtl_pci_interrupt, |
| 1901 | IRQF_SHARED, KBUILD_MODNAME, hw); |
| 1902 | if (err) { |
| 1903 | RT_TRACE(rtlpriv, COMP_INIT, DBG_DMESG, |
| 1904 | ("%s: failed to register IRQ handler\n", |
| 1905 | wiphy_name(hw->wiphy))); |
| 1906 | goto fail3; |
| 1907 | } else { |
| 1908 | rtlpci->irq_alloc = 1; |
| 1909 | } |
| 1910 | |
| 1911 | set_bit(RTL_STATUS_INTERFACE_START, &rtlpriv->status); |
| 1912 | return 0; |
| 1913 | |
| 1914 | fail3: |
| 1915 | pci_set_drvdata(pdev, NULL); |
| 1916 | rtl_deinit_core(hw); |
| 1917 | _rtl_pci_io_handler_release(hw); |
| 1918 | ieee80211_free_hw(hw); |
| 1919 | |
| 1920 | if (rtlpriv->io.pci_mem_start != 0) |
Larry Finger | 62e6397 | 2011-02-11 14:27:46 -0600 | [diff] [blame] | 1921 | pci_iounmap(pdev, (void __iomem *)rtlpriv->io.pci_mem_start); |
Larry Finger | 0c81733 | 2010-12-08 11:12:31 -0600 | [diff] [blame] | 1922 | |
| 1923 | fail2: |
| 1924 | pci_release_regions(pdev); |
| 1925 | |
| 1926 | fail1: |
| 1927 | |
| 1928 | pci_disable_device(pdev); |
| 1929 | |
| 1930 | return -ENODEV; |
| 1931 | |
| 1932 | } |
| 1933 | EXPORT_SYMBOL(rtl_pci_probe); |
| 1934 | |
| 1935 | void rtl_pci_disconnect(struct pci_dev *pdev) |
| 1936 | { |
| 1937 | struct ieee80211_hw *hw = pci_get_drvdata(pdev); |
| 1938 | struct rtl_pci_priv *pcipriv = rtl_pcipriv(hw); |
| 1939 | struct rtl_priv *rtlpriv = rtl_priv(hw); |
| 1940 | struct rtl_pci *rtlpci = rtl_pcidev(pcipriv); |
| 1941 | struct rtl_mac *rtlmac = rtl_mac(rtlpriv); |
| 1942 | |
| 1943 | clear_bit(RTL_STATUS_INTERFACE_START, &rtlpriv->status); |
| 1944 | |
| 1945 | sysfs_remove_group(&pdev->dev.kobj, &rtl_attribute_group); |
| 1946 | |
| 1947 | /*ieee80211_unregister_hw will call ops_stop */ |
| 1948 | if (rtlmac->mac80211_registered == 1) { |
| 1949 | ieee80211_unregister_hw(hw); |
| 1950 | rtlmac->mac80211_registered = 0; |
| 1951 | } else { |
| 1952 | rtl_deinit_deferred_work(hw); |
| 1953 | rtlpriv->intf_ops->adapter_stop(hw); |
| 1954 | } |
| 1955 | |
| 1956 | /*deinit rfkill */ |
| 1957 | rtl_deinit_rfkill(hw); |
| 1958 | |
| 1959 | rtl_pci_deinit(hw); |
| 1960 | rtl_deinit_core(hw); |
Larry Finger | 0c81733 | 2010-12-08 11:12:31 -0600 | [diff] [blame] | 1961 | _rtl_pci_io_handler_release(hw); |
| 1962 | rtlpriv->cfg->ops->deinit_sw_vars(hw); |
| 1963 | |
| 1964 | if (rtlpci->irq_alloc) { |
| 1965 | free_irq(rtlpci->pdev->irq, hw); |
| 1966 | rtlpci->irq_alloc = 0; |
| 1967 | } |
| 1968 | |
| 1969 | if (rtlpriv->io.pci_mem_start != 0) { |
Larry Finger | 62e6397 | 2011-02-11 14:27:46 -0600 | [diff] [blame] | 1970 | pci_iounmap(pdev, (void __iomem *)rtlpriv->io.pci_mem_start); |
Larry Finger | 0c81733 | 2010-12-08 11:12:31 -0600 | [diff] [blame] | 1971 | pci_release_regions(pdev); |
| 1972 | } |
| 1973 | |
| 1974 | pci_disable_device(pdev); |
Chaoming_Li | c7cfe38 | 2011-04-25 13:23:15 -0500 | [diff] [blame] | 1975 | |
| 1976 | rtl_pci_disable_aspm(hw); |
| 1977 | |
Larry Finger | 0c81733 | 2010-12-08 11:12:31 -0600 | [diff] [blame] | 1978 | pci_set_drvdata(pdev, NULL); |
| 1979 | |
| 1980 | ieee80211_free_hw(hw); |
| 1981 | } |
| 1982 | EXPORT_SYMBOL(rtl_pci_disconnect); |
| 1983 | |
| 1984 | /*************************************** |
| 1985 | kernel pci power state define: |
| 1986 | PCI_D0 ((pci_power_t __force) 0) |
| 1987 | PCI_D1 ((pci_power_t __force) 1) |
| 1988 | PCI_D2 ((pci_power_t __force) 2) |
| 1989 | PCI_D3hot ((pci_power_t __force) 3) |
| 1990 | PCI_D3cold ((pci_power_t __force) 4) |
| 1991 | PCI_UNKNOWN ((pci_power_t __force) 5) |
| 1992 | |
| 1993 | This function is called when system |
| 1994 | goes into suspend state mac80211 will |
| 1995 | call rtl_mac_stop() from the mac80211 |
| 1996 | suspend function first, So there is |
| 1997 | no need to call hw_disable here. |
| 1998 | ****************************************/ |
Larry Finger | 603be38 | 2011-10-11 21:28:47 -0500 | [diff] [blame] | 1999 | int rtl_pci_suspend(struct device *dev) |
Larry Finger | 0c81733 | 2010-12-08 11:12:31 -0600 | [diff] [blame] | 2000 | { |
Larry Finger | 603be38 | 2011-10-11 21:28:47 -0500 | [diff] [blame] | 2001 | struct pci_dev *pdev = to_pci_dev(dev); |
Chaoming_Li | c7cfe38 | 2011-04-25 13:23:15 -0500 | [diff] [blame] | 2002 | struct ieee80211_hw *hw = pci_get_drvdata(pdev); |
| 2003 | struct rtl_priv *rtlpriv = rtl_priv(hw); |
| 2004 | |
| 2005 | rtlpriv->cfg->ops->hw_suspend(hw); |
| 2006 | rtl_deinit_rfkill(hw); |
| 2007 | |
Larry Finger | 0c81733 | 2010-12-08 11:12:31 -0600 | [diff] [blame] | 2008 | return 0; |
| 2009 | } |
| 2010 | EXPORT_SYMBOL(rtl_pci_suspend); |
| 2011 | |
Larry Finger | 603be38 | 2011-10-11 21:28:47 -0500 | [diff] [blame] | 2012 | int rtl_pci_resume(struct device *dev) |
Larry Finger | 0c81733 | 2010-12-08 11:12:31 -0600 | [diff] [blame] | 2013 | { |
Larry Finger | 603be38 | 2011-10-11 21:28:47 -0500 | [diff] [blame] | 2014 | struct pci_dev *pdev = to_pci_dev(dev); |
Chaoming_Li | c7cfe38 | 2011-04-25 13:23:15 -0500 | [diff] [blame] | 2015 | struct ieee80211_hw *hw = pci_get_drvdata(pdev); |
| 2016 | struct rtl_priv *rtlpriv = rtl_priv(hw); |
Larry Finger | 0c81733 | 2010-12-08 11:12:31 -0600 | [diff] [blame] | 2017 | |
Chaoming_Li | c7cfe38 | 2011-04-25 13:23:15 -0500 | [diff] [blame] | 2018 | rtlpriv->cfg->ops->hw_resume(hw); |
| 2019 | rtl_init_rfkill(hw); |
Larry Finger | 0c81733 | 2010-12-08 11:12:31 -0600 | [diff] [blame] | 2020 | return 0; |
| 2021 | } |
| 2022 | EXPORT_SYMBOL(rtl_pci_resume); |
| 2023 | |
| 2024 | struct rtl_intf_ops rtl_pci_ops = { |
Chaoming_Li | c7cfe38 | 2011-04-25 13:23:15 -0500 | [diff] [blame] | 2025 | .read_efuse_byte = read_efuse_byte, |
Larry Finger | 0c81733 | 2010-12-08 11:12:31 -0600 | [diff] [blame] | 2026 | .adapter_start = rtl_pci_start, |
| 2027 | .adapter_stop = rtl_pci_stop, |
| 2028 | .adapter_tx = rtl_pci_tx, |
Chaoming_Li | c7cfe38 | 2011-04-25 13:23:15 -0500 | [diff] [blame] | 2029 | .flush = rtl_pci_flush, |
Larry Finger | 0c81733 | 2010-12-08 11:12:31 -0600 | [diff] [blame] | 2030 | .reset_trx_ring = rtl_pci_reset_trx_ring, |
Chaoming_Li | c7cfe38 | 2011-04-25 13:23:15 -0500 | [diff] [blame] | 2031 | .waitq_insert = rtl_pci_tx_chk_waitq_insert, |
Larry Finger | 0c81733 | 2010-12-08 11:12:31 -0600 | [diff] [blame] | 2032 | |
| 2033 | .disable_aspm = rtl_pci_disable_aspm, |
| 2034 | .enable_aspm = rtl_pci_enable_aspm, |
| 2035 | }; |