diff options
Diffstat (limited to 'drivers/staging/rtl8192ee/pci.c')
| -rw-r--r-- | drivers/staging/rtl8192ee/pci.c | 2384 |
1 files changed, 0 insertions, 2384 deletions
diff --git a/drivers/staging/rtl8192ee/pci.c b/drivers/staging/rtl8192ee/pci.c deleted file mode 100644 index 0215aef1eacc..000000000000 --- a/drivers/staging/rtl8192ee/pci.c +++ /dev/null @@ -1,2384 +0,0 @@ -/****************************************************************************** - * - * Copyright(c) 2009-2010 Realtek Corporation. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of version 2 of the GNU General Public License as - * published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - * more details. - * - * The full GNU General Public License is included in this distribution in the - * file called LICENSE. - * - * Contact Information: - * wlanfae <wlanfae@realtek.com> - * Realtek Corporation, No. 2, Innovation Road II, Hsinchu Science Park, - * Hsinchu 300, Taiwan. - * - * Larry Finger <Larry.Finger@lwfinger.net> - * - *****************************************************************************/ - -#include "core.h" -#include "wifi.h" -#include "pci.h" -#include "base.h" -#include "ps.h" -#include "efuse.h" - -static const u16 pcibridge_vendors[PCI_BRIDGE_VENDOR_MAX] = { - INTEL_VENDOR_ID, - ATI_VENDOR_ID, - AMD_VENDOR_ID, - SIS_VENDOR_ID -}; - -static const u8 ac_to_hwq[] = { - VO_QUEUE, - VI_QUEUE, - BE_QUEUE, - BK_QUEUE -}; - -static u8 _rtl_mac_to_hwqueue(struct ieee80211_hw *hw, - struct sk_buff *skb) -{ - struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw)); - __le16 fc = rtl_get_fc(skb); - u8 queue_index = skb_get_queue_mapping(skb); - - if (unlikely(ieee80211_is_beacon(fc))) - return BEACON_QUEUE; - if (ieee80211_is_mgmt(fc) || ieee80211_is_ctl(fc)) - return MGNT_QUEUE; - if (rtlhal->hw_type == HARDWARE_TYPE_RTL8192SE) - if (ieee80211_is_nullfunc(fc)) - return HIGH_QUEUE; - - return ac_to_hwq[queue_index]; -} - -/* Update PCI dependent default settings*/ -static void _rtl_pci_update_default_setting(struct ieee80211_hw *hw) -{ - struct rtl_priv *rtlpriv = rtl_priv(hw); - struct rtl_pci_priv *pcipriv = rtl_pcipriv(hw); - struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw)); - struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw)); - u8 pcibridge_vendor = pcipriv->ndis_adapter.pcibridge_vendor; - u8 init_aspm; - - ppsc->reg_rfps_level = 0; - ppsc->b_support_aspm = 0; - - /*Update PCI ASPM setting */ - ppsc->const_amdpci_aspm = rtlpci->const_amdpci_aspm; - switch (rtlpci->const_pci_aspm) { - case 0: - /*No ASPM */ - break; - - case 1: - /*ASPM dynamically enabled/disable. */ - ppsc->reg_rfps_level |= RT_RF_LPS_LEVEL_ASPM; - break; - - case 2: - /*ASPM with Clock Req dynamically enabled/disable. */ - ppsc->reg_rfps_level |= (RT_RF_LPS_LEVEL_ASPM | - RT_RF_OFF_LEVL_CLK_REQ); - break; - - case 3: - /* - * Always enable ASPM and Clock Req - * from initialization to halt. - * */ - ppsc->reg_rfps_level &= ~(RT_RF_LPS_LEVEL_ASPM); - ppsc->reg_rfps_level |= (RT_RF_PS_LEVEL_ALWAYS_ASPM | - RT_RF_OFF_LEVL_CLK_REQ); - break; - - case 4: - /* - * Always enable ASPM without Clock Req - * from initialization to halt. - * */ - ppsc->reg_rfps_level &= ~(RT_RF_LPS_LEVEL_ASPM | - RT_RF_OFF_LEVL_CLK_REQ); - ppsc->reg_rfps_level |= RT_RF_PS_LEVEL_ALWAYS_ASPM; - break; - } - - ppsc->reg_rfps_level |= RT_RF_OFF_LEVL_HALT_NIC; - - /*Update Radio OFF setting */ - switch (rtlpci->const_hwsw_rfoff_d3) { - case 1: - if (ppsc->reg_rfps_level & RT_RF_LPS_LEVEL_ASPM) - ppsc->reg_rfps_level |= RT_RF_OFF_LEVL_ASPM; - break; - - case 2: - if (ppsc->reg_rfps_level & RT_RF_LPS_LEVEL_ASPM) - ppsc->reg_rfps_level |= RT_RF_OFF_LEVL_ASPM; - ppsc->reg_rfps_level |= RT_RF_OFF_LEVL_HALT_NIC; - break; - - case 3: - ppsc->reg_rfps_level |= RT_RF_OFF_LEVL_PCI_D3; - break; - } - - /*Set HW definition to determine if it supports ASPM. */ - switch (rtlpci->const_support_pciaspm) { - case 0:{ - /*Not support ASPM. */ - bool b_support_aspm = false; - ppsc->b_support_aspm = b_support_aspm; - break; - } - case 1:{ - /*Support ASPM. */ - bool b_support_aspm = true; - bool b_support_backdoor = true; - ppsc->b_support_aspm = b_support_aspm; - - /*if (priv->oem_id == RT_CID_TOSHIBA && - !priv->ndis_adapter.amd_l1_patch) - b_support_backdoor = false; */ - - ppsc->b_support_backdoor = b_support_backdoor; - - break; - } - case 2: - /*ASPM value set by chipset. */ - if (pcibridge_vendor == PCI_BRIDGE_VENDOR_INTEL) { - bool b_support_aspm = true; - ppsc->b_support_aspm = b_support_aspm; - } - break; - default: - RT_TRACE(COMP_ERR, DBG_EMERG, - ("switch case not process\n")); - break; - } - - /* toshiba aspm issue, toshiba will set aspm selfly - * so we should not set aspm in driver */ - pci_read_config_byte(rtlpci->pdev, 0x80, &init_aspm); - if (rtlpriv->rtlhal.hw_type == HARDWARE_TYPE_RTL8192SE && - init_aspm == 0x43) - ppsc->b_support_aspm = false; -} - -static bool _rtl_pci_platform_switch_device_pci_aspm(struct ieee80211_hw *hw, - u8 value) -{ - struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw)); - struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw)); - bool bresult = false; - - if (rtlhal->hw_type != HARDWARE_TYPE_RTL8192SE) - value |= 0x40; - - pci_write_config_byte(rtlpci->pdev, 0x80, value); - - return bresult; -} - -/*When we set 0x01 to enable clk request. Set 0x0 to disable clk req.*/ -static bool _rtl_pci_switch_clk_req(struct ieee80211_hw *hw, u8 value) -{ - struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw)); - struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw)); - bool bresult = false; - - pci_write_config_byte(rtlpci->pdev, 0x81, value); - bresult = true; - - if (rtlhal->hw_type == HARDWARE_TYPE_RTL8192SE) - udelay(100); - - return bresult; -} - -/*Disable RTL8192SE ASPM & Disable Pci Bridge ASPM*/ -static void rtl_pci_disable_aspm(struct ieee80211_hw *hw) -{ - struct rtl_priv *rtlpriv = rtl_priv(hw); - struct rtl_pci_priv *pcipriv = rtl_pcipriv(hw); - struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw)); - struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw)); - u8 pcibridge_vendor = pcipriv->ndis_adapter.pcibridge_vendor; - u32 pcicfg_addrport = pcipriv->ndis_adapter.pcicfg_addrport; - u8 num4bytes = pcipriv->ndis_adapter.num4bytes; - /*Retrieve original configuration settings. */ - u8 linkctrl_reg = pcipriv->ndis_adapter.linkctrl_reg; - u16 pcibridge_linkctrlreg = pcipriv->ndis_adapter. - pcibridge_linkctrlreg; - u16 aspmlevel = 0; - - if (!ppsc->b_support_aspm) - return; - - if (pcibridge_vendor == PCI_BRIDGE_VENDOR_UNKNOWN) { - RT_TRACE(COMP_POWER, DBG_TRACE, - ("PCI(Bridge) UNKNOWN.\n")); - - return; - } - - if (ppsc->reg_rfps_level & RT_RF_OFF_LEVL_CLK_REQ) { - RT_CLEAR_PS_LEVEL(ppsc, RT_RF_OFF_LEVL_CLK_REQ); - _rtl_pci_switch_clk_req(hw, 0x0); - } - - if (1) { - /*for promising device will in L0 state after an I/O. */ - u8 tmp_u1b; - pci_read_config_byte(rtlpci->pdev, 0x80, &tmp_u1b); - } - - /*Set corresponding value. */ - aspmlevel |= BIT(0) | BIT(1); - linkctrl_reg &= ~aspmlevel; - pcibridge_linkctrlreg &= ~(BIT(0) | BIT(1)); - - _rtl_pci_platform_switch_device_pci_aspm(hw, linkctrl_reg); - udelay(50); - - /*4 Disable Pci Bridge ASPM */ - rtl_pci_raw_write_port_ulong(PCI_CONF_ADDRESS, - pcicfg_addrport + (num4bytes << 2)); - rtl_pci_raw_write_port_uchar(PCI_CONF_DATA, pcibridge_linkctrlreg); - - udelay(50); -} - -/* - *Enable RTL8192SE ASPM & Enable Pci Bridge ASPM for - *power saving We should follow the sequence to enable - *RTL8192SE first then enable Pci Bridge ASPM - *or the system will show bluescreen. - */ -static void rtl_pci_enable_aspm(struct ieee80211_hw *hw) -{ - struct rtl_priv *rtlpriv = rtl_priv(hw); - struct rtl_pci_priv *pcipriv = rtl_pcipriv(hw); - struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw)); - struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw)); - u8 pcibridge_vendor = pcipriv->ndis_adapter.pcibridge_vendor; - u32 pcicfg_addrport = pcipriv->ndis_adapter.pcicfg_addrport; - u8 num4bytes = pcipriv->ndis_adapter.num4bytes; - u16 aspmlevel; - u8 u_pcibridge_aspmsetting; - u8 u_device_aspmsetting; - - if (!ppsc->b_support_aspm) - return; - - if (pcibridge_vendor == PCI_BRIDGE_VENDOR_UNKNOWN) { - RT_TRACE(COMP_POWER, DBG_TRACE, - ("PCI(Bridge) UNKNOWN.\n")); - return; - } - - /*4 Enable Pci Bridge ASPM */ - rtl_pci_raw_write_port_ulong(PCI_CONF_ADDRESS, - pcicfg_addrport + (num4bytes << 2)); - - u_pcibridge_aspmsetting = - pcipriv->ndis_adapter.pcibridge_linkctrlreg | - rtlpci->const_hostpci_aspm_setting; - - if (pcibridge_vendor == PCI_BRIDGE_VENDOR_INTEL) - u_pcibridge_aspmsetting &= ~BIT(0); - - rtl_pci_raw_write_port_uchar(PCI_CONF_DATA, u_pcibridge_aspmsetting); - - RT_TRACE(COMP_INIT, DBG_LOUD, - ("PlatformEnableASPM(): Write reg[%x] = %x\n", - (pcipriv->ndis_adapter.pcibridge_pciehdr_offset + 0x10), - u_pcibridge_aspmsetting)); - - udelay(50); - - /*Get ASPM level (with/without Clock Req) */ - aspmlevel = rtlpci->const_devicepci_aspm_setting; - u_device_aspmsetting = pcipriv->ndis_adapter.linkctrl_reg; - - /*_rtl_pci_platform_switch_device_pci_aspm(dev,*/ - /*(priv->ndis_adapter.linkctrl_reg | ASPMLevel)); */ - - u_device_aspmsetting |= aspmlevel; - - _rtl_pci_platform_switch_device_pci_aspm(hw, u_device_aspmsetting); - - if (ppsc->reg_rfps_level & RT_RF_OFF_LEVL_CLK_REQ) { - _rtl_pci_switch_clk_req(hw, (ppsc->reg_rfps_level & - RT_RF_OFF_LEVL_CLK_REQ) ? 1 : 0); - RT_SET_PS_LEVEL(ppsc, RT_RF_OFF_LEVL_CLK_REQ); - } - udelay(100); -} - -static bool rtl_pci_get_amd_l1_patch(struct ieee80211_hw *hw) -{ - struct rtl_pci_priv *pcipriv = rtl_pcipriv(hw); - u32 pcicfg_addrport = pcipriv->ndis_adapter.pcicfg_addrport; - - bool status = false; - u8 offset_e0; - unsigned offset_e4; - - rtl_pci_raw_write_port_ulong(PCI_CONF_ADDRESS, pcicfg_addrport + 0xE0); - rtl_pci_raw_write_port_uchar(PCI_CONF_DATA, 0xA0); - - rtl_pci_raw_write_port_ulong(PCI_CONF_ADDRESS, pcicfg_addrport + 0xE0); - rtl_pci_raw_read_port_uchar(PCI_CONF_DATA, &offset_e0); - - if (offset_e0 == 0xA0) { - rtl_pci_raw_write_port_ulong(PCI_CONF_ADDRESS, - pcicfg_addrport + 0xE4); - rtl_pci_raw_read_port_ulong(PCI_CONF_DATA, &offset_e4); - if (offset_e4 & BIT(23)) - status = true; - } - - return status; -} - -static bool rtl_pci_check_buddy_priv(struct ieee80211_hw *hw, - struct rtl_priv **buddy_priv) -{ - struct rtl_priv *rtlpriv = rtl_priv(hw); - struct rtl_pci_priv *pcipriv = rtl_pcipriv(hw); - bool find_buddy_priv = false; - struct rtl_priv *tpriv = NULL; - struct rtl_pci_priv *tpcipriv = NULL; - - if (!list_empty(&rtlpriv->glb_var->glb_priv_list)) { - list_for_each_entry(tpriv, &rtlpriv->glb_var->glb_priv_list, - list) { - if (tpriv == NULL) - break; - - tpcipriv = (struct rtl_pci_priv *)tpriv->priv; - RT_TRACE(COMP_INIT, DBG_LOUD, - ("pcipriv->ndis_adapter.funcnumber %x\n", - pcipriv->ndis_adapter.funcnumber)); - RT_TRACE(COMP_INIT, DBG_LOUD, - ("tpcipriv->ndis_adapter.funcnumber %x\n", - tpcipriv->ndis_adapter.funcnumber)); - - if ((pcipriv->ndis_adapter.busnumber == - tpcipriv->ndis_adapter.busnumber) && - (pcipriv->ndis_adapter.devnumber == - tpcipriv->ndis_adapter.devnumber) && - (pcipriv->ndis_adapter.funcnumber != - tpcipriv->ndis_adapter.funcnumber)) { - find_buddy_priv = true; - break; - } - } - } - - RT_TRACE(COMP_INIT, DBG_LOUD, - ("find_buddy_priv %d\n", find_buddy_priv)); - - if (find_buddy_priv) - *buddy_priv = tpriv; - - return find_buddy_priv; -} - -static void rtl_pci_get_linkcontrol_field(struct ieee80211_hw *hw) -{ - struct rtl_pci_priv *pcipriv = rtl_pcipriv(hw); - u8 capabilityoffset = pcipriv->ndis_adapter.pcibridge_pciehdr_offset; - u32 pcicfg_addrport = pcipriv->ndis_adapter.pcicfg_addrport; - u8 linkctrl_reg; - u8 num4bbytes; - - num4bbytes = (capabilityoffset + 0x10) / 4; - - /*Read Link Control Register */ - rtl_pci_raw_write_port_ulong(PCI_CONF_ADDRESS, - pcicfg_addrport + (num4bbytes << 2)); - rtl_pci_raw_read_port_uchar(PCI_CONF_DATA, &linkctrl_reg); - - pcipriv->ndis_adapter.pcibridge_linkctrlreg = linkctrl_reg; -} - -static void rtl_pci_parse_configuration(struct pci_dev *pdev, - struct ieee80211_hw *hw) -{ - struct rtl_priv *rtlpriv = rtl_priv(hw); - struct rtl_pci_priv *pcipriv = rtl_pcipriv(hw); - - u8 tmp; - int pos; - u8 linkctrl_reg; - - /*Link Control Register */ - pos = pci_find_capability(pdev, PCI_CAP_ID_EXP); - pci_read_config_byte(pdev, pos + PCI_EXP_LNKCTL, &linkctrl_reg); - pcipriv->ndis_adapter.linkctrl_reg = linkctrl_reg; - - RT_TRACE(COMP_INIT, DBG_TRACE, - ("Link Control Register =%x\n", - pcipriv->ndis_adapter.linkctrl_reg)); - - pci_read_config_byte(pdev, 0x98, &tmp); - tmp |= BIT(4); - pci_write_config_byte(pdev, 0x98, tmp); - - tmp = 0x17; - pci_write_config_byte(pdev, 0x70f, tmp); -} - -static void rtl_pci_init_aspm(struct ieee80211_hw *hw) -{ - struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw)); - - _rtl_pci_update_default_setting(hw); - - if (ppsc->reg_rfps_level & RT_RF_PS_LEVEL_ALWAYS_ASPM) { - /*Always enable ASPM & Clock Req. */ - rtl_pci_enable_aspm(hw); - RT_SET_PS_LEVEL(ppsc, RT_RF_PS_LEVEL_ALWAYS_ASPM); - } -} - -static void _rtl_pci_io_handler_init(struct device *dev, - struct ieee80211_hw *hw) -{ - struct rtl_priv *rtlpriv = rtl_priv(hw); - - rtlpriv->io.dev = dev; - - rtlpriv->io.write8_async = pci_write8_async; - rtlpriv->io.write16_async = pci_write16_async; - rtlpriv->io.write32_async = pci_write32_async; - - rtlpriv->io.read8_sync = pci_read8_sync; - rtlpriv->io.read16_sync = pci_read16_sync; - rtlpriv->io.read32_sync = pci_read32_sync; -} - -static bool _rtl_pci_update_earlymode_info(struct ieee80211_hw *hw, - struct sk_buff *skb, - struct rtl_tcb_desc *tcb_desc, - u8 tid) -{ - struct rtl_priv *rtlpriv = rtl_priv(hw); - struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); - struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw)); - struct sk_buff *next_skb; - u8 additionlen = FCS_LEN; - - /* here open is 4, wep/tkip is 8, aes is 12*/ - if (info->control.hw_key) - additionlen += info->control.hw_key->icv_len; - - /* The most skb num is 6 */ - tcb_desc->empkt_num = 0; - spin_lock_bh(&rtlpriv->locks.waitq_lock); - skb_queue_walk(&rtlpriv->mac80211.skb_waitq[tid], next_skb) { - struct ieee80211_tx_info *next_info; - - next_info = IEEE80211_SKB_CB(next_skb); - if (next_info->flags & IEEE80211_TX_CTL_AMPDU) { - tcb_desc->empkt_len[tcb_desc->empkt_num] = - next_skb->len + additionlen; - tcb_desc->empkt_num++; - } else { - break; - } - - if (skb_queue_is_last(&rtlpriv->mac80211.skb_waitq[tid], - next_skb)) - break; - - if (tcb_desc->empkt_num >= rtlhal->max_earlymode_num) - break; - } - spin_unlock_bh(&rtlpriv->locks.waitq_lock); - return true; -} - -/* just for early mode now */ -static void _rtl_pci_tx_chk_waitq(struct ieee80211_hw *hw) -{ - struct rtl_priv *rtlpriv = rtl_priv(hw); - struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); - struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw)); - struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw)); - struct sk_buff *skb = NULL; - struct ieee80211_tx_info *info = NULL; - int tid; /* should be int */ - - if (!rtlpriv->rtlhal.b_earlymode_enable) - return; - if (rtlpriv->dm.supp_phymode_switch && - (rtlpriv->easy_concurrent_ctl.bswitch_in_process || - (rtlpriv->buddy_priv && - rtlpriv->buddy_priv->easy_concurrent_ctl.bswitch_in_process))) - return; - /* we juse use em for BE/BK/VI/VO */ - for (tid = 7; tid >= 0; tid--) { - u8 hw_queue = ac_to_hwq[rtl92e_tid_to_ac(hw, tid)]; - struct rtl8192_tx_ring *ring = &rtlpci->tx_ring[hw_queue]; - while (!mac->act_scanning && - rtlpriv->psc.rfpwr_state == ERFON) { - struct rtl_tcb_desc tcb_desc; - memset(&tcb_desc, 0, sizeof(struct rtl_tcb_desc)); - - spin_lock_bh(&rtlpriv->locks.waitq_lock); - if (!skb_queue_empty(&mac->skb_waitq[tid]) && - (ring->entries - skb_queue_len(&ring->queue) > - rtlhal->max_earlymode_num)) { - skb = skb_dequeue(&mac->skb_waitq[tid]); - } else { - spin_unlock_bh(&rtlpriv->locks.waitq_lock); - break; - } - spin_unlock_bh(&rtlpriv->locks.waitq_lock); - - /* Some macaddr can't do early mode. like - * multicast/broadcast/no_qos data */ - info = IEEE80211_SKB_CB(skb); - if (info->flags & IEEE80211_TX_CTL_AMPDU) - _rtl_pci_update_earlymode_info(hw, skb, - &tcb_desc, tid); - - rtlpriv->intf_ops->adapter_tx(hw, NULL, skb, &tcb_desc); - } - } -} - -static void _rtl_pci_tx_isr(struct ieee80211_hw *hw, int prio) -{ - struct rtl_priv *rtlpriv = rtl_priv(hw); - struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw)); - struct rtl8192_tx_ring *ring = &rtlpci->tx_ring[prio]; - - while (skb_queue_len(&ring->queue)) { - struct sk_buff *skb; - struct ieee80211_tx_info *info; - __le16 fc; - u8 tid; - u8 *entry; - - - if (rtlpriv->use_new_trx_flow) - entry = (u8 *)(&ring->buffer_desc[ring->idx]); - else - entry = (u8 *)(&ring->desc[ring->idx]); - - if (rtlpriv->cfg->ops->is_tx_desc_closed && - !rtlpriv->cfg->ops->is_tx_desc_closed(hw, prio, ring->idx)) - return; - - ring->idx = (ring->idx + 1) % ring->entries; - - skb = __skb_dequeue(&ring->queue); - - pci_unmap_single(rtlpci->pdev, - rtlpriv->cfg->ops-> - get_desc((u8 *)entry, true, - HW_DESC_TXBUFF_ADDR), - skb->len, PCI_DMA_TODEVICE); - - /* remove early mode header */ - if (rtlpriv->rtlhal.b_earlymode_enable) - skb_pull(skb, EM_HDR_LEN); - - RT_TRACE((COMP_INTR | COMP_SEND), DBG_TRACE, - ("new ring->idx:%d, free: skb_queue_len:%d, free: seq:%d\n", - ring->idx, - skb_queue_len(&ring->queue), - *(u16 *)(skb->data + 22))); - - if (prio == TXCMD_QUEUE) { - dev_kfree_skb(skb); - goto tx_status_ok; - } - - /* for sw LPS, just after NULL skb send out, we can - * sure AP knows that we are sleeping, our we should not let - * rf to sleep - */ - fc = rtl_get_fc(skb); - if (ieee80211_is_nullfunc(fc)) { - if (ieee80211_has_pm(fc)) { - rtlpriv->mac80211.offchan_deley = true; - rtlpriv->psc.state_inap = 1; - } else { - rtlpriv->psc.state_inap = 0; - } - } - if (ieee80211_is_action(fc)) { - struct ieee80211_mgmt_compat *action_frame = - (struct ieee80211_mgmt_compat *)skb->data; - if (action_frame->u.action.u.ht_smps.action == - WLAN_HT_ACTION_SMPS) { - dev_kfree_skb(skb); - goto tx_status_ok; - } - } - - /* update tid tx pkt num */ - tid = rtl_get_tid(skb); - if (tid <= 7) - rtlpriv->link_info.tidtx_inperiod[tid]++; - - info = IEEE80211_SKB_CB(skb); - ieee80211_tx_info_clear_status(info); - - info->flags |= IEEE80211_TX_STAT_ACK; - /*info->status.rates[0].count = 1; */ - - ieee80211_tx_status_irqsafe(hw, skb); - - if ((ring->entries - skb_queue_len(&ring->queue)) == 2) { - RT_TRACE(COMP_ERR, DBG_LOUD, - ("more desc left, wake skb_queue@%d,ring->idx = %d, skb_queue_len = 0x%d\n", - prio, ring->idx, - skb_queue_len(&ring->queue))); - - ieee80211_wake_queue(hw, skb_get_queue_mapping - (skb)); - } -tx_status_ok: - skb = NULL; - } - - if (((rtlpriv->link_info.num_rx_inperiod + - rtlpriv->link_info.num_tx_inperiod) > 8) || - (rtlpriv->link_info.num_rx_inperiod > 2)) { - rtl92e_lps_leave(hw); - } -} - -static int _rtl_pci_init_one_rxdesc(struct ieee80211_hw *hw, - u8 *entry, int rxring_idx, int desc_idx) -{ - struct rtl_priv *rtlpriv = rtl_priv(hw); - struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw)); - struct sk_buff *skb; - u32 bufferaddress; - u8 tmp_one = 1; - - skb = dev_alloc_skb(rtlpci->rxbuffersize); - if (!skb) - return 0; - rtlpci->rx_ring[rxring_idx].rx_buf[desc_idx] = skb; - - /* just set skb->cb to mapping addr - * for pci_unmap_single use - */ - *((dma_addr_t *)skb->cb) = pci_map_single(rtlpci->pdev, - skb_tail_pointer(skb), rtlpci->rxbuffersize, - PCI_DMA_FROMDEVICE); - bufferaddress = *((dma_addr_t *)skb->cb); - if (pci_dma_mapping_error(rtlpci->pdev, bufferaddress)) - return 0; - if (rtlpriv->use_new_trx_flow) { - rtlpriv->cfg->ops->set_desc(hw, (u8 *)entry, false, - HW_DESC_RX_PREPARE, - (u8 *)&bufferaddress); - } else { - rtlpriv->cfg->ops->set_desc(hw, (u8 *)entry, false, - HW_DESC_RXBUFF_ADDR, - (u8 *)&bufferaddress); - rtlpriv->cfg->ops->set_desc(hw, (u8 *)entry, false, - HW_DESC_RXPKT_LEN, - (u8 *)&rtlpci->rxbuffersize); - rtlpriv->cfg->ops->set_desc(hw, (u8 *)entry, false, - HW_DESC_RXOWN, - (u8 *)&tmp_one); - } - return 1; -} - -/* inorder to receive 8K AMSDU we have set skb to - * 9100bytes in init rx ring, but if this packet is - * not a AMSDU, this so big packet will be sent to - * TCP/IP directly, this cause big packet ping fail - * like: "ping -s 65507", so here we will realloc skb - * based on the true size of packet, I think mac80211 - * do it will be better, but now mac80211 haven't */ - -/* but some platform will fail when alloc skb sometimes. - * in this condition, we will send the old skb to - * mac80211 directly, this will not cause any other - * issues, but only be losted by TCP/IP */ -static void _rtl_pci_rx_to_mac80211(struct ieee80211_hw *hw, - struct sk_buff *skb, - struct ieee80211_rx_status rx_status) -{ - if (unlikely(!rtl92e_action_proc(hw, skb, false))) { - dev_kfree_skb_any(skb); - } else { - struct sk_buff *uskb = NULL; - u8 *pdata; - - uskb = dev_alloc_skb(skb->len + 128); - if (likely(uskb)) { - memcpy(IEEE80211_SKB_RXCB(uskb), &rx_status, - sizeof(rx_status)); - pdata = (u8 *)skb_put(uskb, skb->len); - memcpy(pdata, skb->data, skb->len); - dev_kfree_skb_any(skb); - - ieee80211_rx_irqsafe(hw, uskb); - } else { - ieee80211_rx_irqsafe(hw, skb); - } - } -} - -/*hsisr interrupt handler*/ -static void _rtl_pci_hs_interrupt(struct ieee80211_hw *hw) -{ - struct rtl_priv *rtlpriv = rtl_priv(hw); - struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw)); - - rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[MAC_HSISR], - rtl_read_byte(rtlpriv, rtlpriv->cfg->maps[MAC_HSISR]) | - rtlpci->sys_irq_mask); -} - -static void _rtl_receive_one(struct ieee80211_hw *hw, struct sk_buff *skb, - struct ieee80211_rx_status rx_status) -{ - struct rtl_priv *rtlpriv = rtl_priv(hw); - struct ieee80211_hdr *hdr = rtl_get_hdr(skb); - __le16 fc = rtl_get_fc(skb); - bool unicast = false; - - memcpy(IEEE80211_SKB_RXCB(skb), &rx_status, sizeof(rx_status)); - - if (is_broadcast_ether_addr(hdr->addr1)) { - ;/*TODO*/ - } else if (is_multicast_ether_addr(hdr->addr1)) { - ;/*TODO*/ - } else { - unicast = true; - rtlpriv->stats.rxbytesunicast += skb->len; - } - - rtl92e_is_special_data(hw, skb, false); - if (ieee80211_is_data(fc)) { - rtlpriv->cfg->ops->led_control(hw, LED_CTL_RX); - - if (unicast) - rtlpriv->link_info.num_rx_inperiod++; - } - - /* static bcn for roaming */ - rtl92e_beacon_statistic(hw, skb); - rtl92e_p2p_info(hw, (void *)skb->data, skb->len); - - /* for sw lps */ - rtl92e_swlps_beacon(hw, (void *)skb->data, skb->len); - rtl92e_recognize_peer(hw, (void *)skb->data, skb->len); - if ((rtlpriv->mac80211.opmode == NL80211_IFTYPE_AP) && - (rtlpriv->rtlhal.current_bandtype == BAND_ON_2_4G) && - (ieee80211_is_beacon(fc) || - ieee80211_is_probe_resp(fc))) - dev_kfree_skb_any(skb); - else - _rtl_pci_rx_to_mac80211(hw, skb, rx_status); -} - -static void _rtl_pci_rx_interrupt(struct ieee80211_hw *hw) -{ - struct rtl_priv *rtlpriv = rtl_priv(hw); - struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw)); - struct ieee80211_rx_status rx_status = { 0 }; - int rxring_idx = RTL_PCI_RX_MPDU_QUEUE; - unsigned int count = rtlpci->rxringcount; - u8 hw_queue = 0; - unsigned int rx_remained_cnt; - u8 own; - u8 tmp_one; - static int err_count; - struct rtl_stats stats = { - .signal = 0, - .rate = 0, - }; - - /*RX NORMAL PKT */ - while (count--) { - struct ieee80211_hdr *hdr; - __le16 fc; - u16 len; - /*rx buffer descriptor */ - struct rtl_rx_buffer_desc *buffer_desc = NULL; - /*if use new trx flow, it means wifi info */ - struct rtl_rx_desc *pdesc = NULL; - /*rx pkt */ - struct sk_buff *skb = rtlpci->rx_ring[rxring_idx].rx_buf[ - rtlpci->rx_ring[rxring_idx].idx]; - - if (rtlpriv->use_new_trx_flow) { - rx_remained_cnt = - rtlpriv->cfg->ops->rx_desc_buff_remained_cnt(hw, - hw_queue); - if (rx_remained_cnt < 1) - return; - - } else { /* rx descriptor */ - pdesc = &rtlpci->rx_ring[rxring_idx].desc[ - rtlpci->rx_ring[rxring_idx].idx]; - - own = (u8) rtlpriv->cfg->ops->get_desc((u8 *)pdesc, - false, - HW_DESC_OWN); - if (own) /* wait data to be filled by hardware */ - return; - } - - /* If we get here, the data is filled already - * Attention !!! - * We can NOT access 'skb' before 'pci_unmap_single' - */ - pci_unmap_single(rtlpci->pdev, *((dma_addr_t *)skb->cb), - rtlpci->rxbuffersize, PCI_DMA_FROMDEVICE); - - if (rtlpriv->use_new_trx_flow) { - buffer_desc = &rtlpci->rx_ring[rxring_idx].buffer_desc[ - rtlpci->rx_ring[rxring_idx].idx]; - /*means rx wifi info*/ - pdesc = (struct rtl_rx_desc *)skb->data; - } - memset(&rx_status , 0 , sizeof(rx_status)); - rtlpriv->cfg->ops->query_rx_desc(hw, &stats, - &rx_status, (u8 *)pdesc, skb); - - if (rtlpriv->use_new_trx_flow) - rtlpriv->cfg->ops->rx_check_dma_ok(hw, - (u8 *)buffer_desc, - hw_queue); - len = rtlpriv->cfg->ops->get_desc((u8 *)pdesc, false, - HW_DESC_RXPKT_LEN); - - if (skb->end - skb->tail > len) { - skb_put(skb, len); - if (rtlpriv->use_new_trx_flow) - skb_reserve(skb, stats.rx_drvinfo_size + - stats.rx_bufshift + 24); - else - skb_reserve(skb, stats.rx_drvinfo_size + - stats.rx_bufshift); - - } else { - if (err_count++ < 10) { - pr_info("skb->end (%d) - skb->tail (%d) > len (%d)\n", - skb->end, skb->tail, len); - RT_PRINT_DATA(rtlpriv, COMP_CMD, DBG_EMERG, - "RX desc\n", - (u8 *)pdesc, 32); - } - break; - } - - /* handle command packet here */ - if (rtlpriv->cfg->ops->rx_command_packet(hw, &stats, skb)) { - dev_kfree_skb_any(skb); - goto end; - } - - /* NOTICE This can not be use for mac80211, - *this is done in mac80211 code, - *if you done here sec DHCP will fail - *skb_trim(skb, skb->len - 4); - */ - - hdr = rtl_get_hdr(skb); - fc = rtl_get_fc(skb); - - if (!stats.b_crc && !stats.b_hwerror) - _rtl_receive_one(hw, skb, rx_status); - else - dev_kfree_skb_any(skb); - if (rtlpriv->use_new_trx_flow) { - rtlpci->rx_ring[hw_queue].next_rx_rp += 1; - rtlpci->rx_ring[hw_queue].next_rx_rp %= - RTL_PCI_MAX_RX_COUNT; - - - rx_remained_cnt--; - rtl_write_word(rtlpriv, 0x3B4, - rtlpci->rx_ring[hw_queue].next_rx_rp); - } - if (((rtlpriv->link_info.num_rx_inperiod + - rtlpriv->link_info.num_tx_inperiod) > 8) || - (rtlpriv->link_info.num_rx_inperiod > 2)) { - rtl92e_lps_leave(hw); - } -end: - if (rtlpriv->use_new_trx_flow) { - _rtl_pci_init_one_rxdesc(hw, (u8 *)buffer_desc, - rxring_idx, - rtlpci->rx_ring[rxring_idx].idx); - } else { - _rtl_pci_init_one_rxdesc(hw, (u8 *)pdesc, rxring_idx, - rtlpci->rx_ring[rxring_idx].idx); - - if (rtlpci->rx_ring[rxring_idx].idx == - rtlpci->rxringcount - 1) - rtlpriv->cfg->ops->set_desc(hw, (u8 *)pdesc, - false, - HW_DESC_RXERO, - (u8 *)&tmp_one); - } - rtlpci->rx_ring[rxring_idx].idx = - (rtlpci->rx_ring[rxring_idx].idx + 1) % - rtlpci->rxringcount; - } -} - -static irqreturn_t _rtl_pci_interrupt(int irq, void *dev_id) -{ - struct ieee80211_hw *hw = dev_id; - struct rtl_priv *rtlpriv = rtl_priv(hw); - struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw)); - struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw)); - unsigned long flags; - u32 inta = 0; - u32 intb = 0; - - if (rtlpci->irq_enabled == 0) - return IRQ_HANDLED; - - spin_lock_irqsave(&rtlpriv->locks.irq_th_lock , flags); - rtl_write_dword(rtlpriv, rtlpriv->cfg->maps[MAC_HIMR], 0x0); - rtl_write_dword(rtlpriv, rtlpriv->cfg->maps[MAC_HIMRE], 0x0); - - /*read ISR: 4/8bytes */ - rtlpriv->cfg->ops->interrupt_recognized(hw, &inta, &intb); - - /*Shared IRQ or HW disappared */ - if (!inta || inta == 0xffff) - goto done; - /*<1> beacon related */ - if (inta & rtlpriv->cfg->maps[RTL_IMR_TBDOK]) - RT_TRACE(COMP_INTR, DBG_TRACE, ("beacon ok interrupt!\n")); - - if (unlikely(inta & rtlpriv->cfg->maps[RTL_IMR_TBDER])) - RT_TRACE(COMP_INTR, DBG_TRACE, ("beacon err interrupt!\n")); - - if (inta & rtlpriv->cfg->maps[RTL_IMR_BDOK]) - RT_TRACE(COMP_INTR, DBG_TRACE, ("beacon interrupt!\n")); - - if (inta & rtlpriv->cfg->maps[RTL_IMR_BcnInt]) { - RT_TRACE(COMP_INTR, DBG_TRACE, - ("prepare beacon for interrupt!\n")); - tasklet_schedule(&rtlpriv->works.irq_prepare_bcn_tasklet); - } - - /*<2> tx related */ - if (unlikely(intb & rtlpriv->cfg->maps[RTL_IMR_TXFOVW])) - RT_TRACE(COMP_ERR, DBG_TRACE, ("IMR_TXFOVW!\n")); - - if (inta & rtlpriv->cfg->maps[RTL_IMR_MGNTDOK]) { - RT_TRACE(COMP_INTR, DBG_TRACE, ("Manage ok interrupt!\n")); - _rtl_pci_tx_isr(hw, MGNT_QUEUE); - } - - if (inta & rtlpriv->cfg->maps[RTL_IMR_HIGHDOK]) { - RT_TRACE(COMP_INTR, DBG_TRACE, ("HIGH_QUEUE ok interrupt!\n")); - _rtl_pci_tx_isr(hw, HIGH_QUEUE); - } - - if (inta & rtlpriv->cfg->maps[RTL_IMR_BKDOK]) { - rtlpriv->link_info.num_tx_inperiod++; - - RT_TRACE(COMP_INTR, DBG_TRACE, ("BK Tx OK interrupt!\n")); - _rtl_pci_tx_isr(hw, BK_QUEUE); - } - - if (inta & rtlpriv->cfg->maps[RTL_IMR_BEDOK]) { - rtlpriv->link_info.num_tx_inperiod++; - - RT_TRACE(COMP_INTR, DBG_TRACE, ("BE TX OK interrupt!\n")); - _rtl_pci_tx_isr(hw, BE_QUEUE); - } - - if (inta & rtlpriv->cfg->maps[RTL_IMR_VIDOK]) { - rtlpriv->link_info.num_tx_inperiod++; - - RT_TRACE(COMP_INTR, DBG_TRACE, ("VI TX OK interrupt!\n")); - _rtl_pci_tx_isr(hw, VI_QUEUE); - } - - if (inta & rtlpriv->cfg->maps[RTL_IMR_VODOK]) { - rtlpriv->link_info.num_tx_inperiod++; - - RT_TRACE(COMP_INTR, DBG_TRACE, ("Vo TX OK interrupt!\n")); - _rtl_pci_tx_isr(hw, VO_QUEUE); - } - - if (rtlhal->hw_type == HARDWARE_TYPE_RTL8192SE) { - if (inta & rtlpriv->cfg->maps[RTL_IMR_COMDOK]) { - rtlpriv->link_info.num_tx_inperiod++; - - RT_TRACE(COMP_INTR, DBG_TRACE, - ("CMD TX OK interrupt!\n")); - _rtl_pci_tx_isr(hw, TXCMD_QUEUE); - } - } - - /*<3> rx related */ - if (inta & rtlpriv->cfg->maps[RTL_IMR_ROK]) { - RT_TRACE(COMP_INTR, DBG_TRACE, ("Rx ok interrupt!\n")); - _rtl_pci_rx_interrupt(hw); - } - - if (unlikely(inta & rtlpriv->cfg->maps[RTL_IMR_RDU])) { - RT_TRACE(COMP_ERR, DBG_WARNING, - ("rx descriptor unavailable!\n")); - _rtl_pci_rx_interrupt(hw); - } - - if (unlikely(intb & rtlpriv->cfg->maps[RTL_IMR_RXFOVW])) { - RT_TRACE(COMP_ERR, DBG_WARNING, ("rx overflow !\n")); - _rtl_pci_rx_interrupt(hw); - } - - /*<4> fw related*/ - if (rtlhal->hw_type == HARDWARE_TYPE_RTL8723AE) { - if (inta & rtlpriv->cfg->maps[RTL_IMR_C2HCMD]) { - RT_TRACE(COMP_INTR, DBG_TRACE, - ("firmware interrupt!\n")); - queue_delayed_work(rtlpriv->works.rtl_wq, - &rtlpriv->works.fwevt_wq, 0); - } - } - - /*<5> hsisr related*/ - /* Only 8188EE & 8723BE Supported. - * If Other ICs Come in, System will corrupt, - * because maps[RTL_IMR_HSISR_IND] & maps[MAC_HSISR] - * are not initialized*/ - if (rtlhal->hw_type == HARDWARE_TYPE_RTL8188EE || - rtlhal->hw_type == HARDWARE_TYPE_RTL8723BE) { - if (unlikely(inta & rtlpriv->cfg->maps[RTL_IMR_HSISR_IND])) { - RT_TRACE(COMP_INTR, DBG_TRACE, - ("hsisr interrupt!\n")); - _rtl_pci_hs_interrupt(hw); - } - } - - - if (rtlpriv->rtlhal.b_earlymode_enable) - tasklet_schedule(&rtlpriv->works.irq_tasklet); - -done: - rtl_write_dword(rtlpriv, rtlpriv->cfg->maps[MAC_HIMR], - rtlpci->irq_mask[0]); - rtl_write_dword(rtlpriv, rtlpriv->cfg->maps[MAC_HIMRE], - rtlpci->irq_mask[1]); - spin_unlock_irqrestore(&rtlpriv->locks.irq_th_lock, flags); - return IRQ_HANDLED; -} - -static void _rtl_pci_irq_tasklet(struct ieee80211_hw *hw) -{ - _rtl_pci_tx_chk_waitq(hw); -} - -static void _rtl_pci_prepare_bcn_tasklet(struct ieee80211_hw *hw) -{ - struct rtl_priv *rtlpriv = rtl_priv(hw); - struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw)); - struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); - struct rtl8192_tx_ring *ring = NULL; - struct ieee80211_hdr *hdr = NULL; - struct ieee80211_tx_info *info = NULL; - struct sk_buff *pskb = NULL; - struct rtl_tx_desc *pdesc = NULL; - struct rtl_tcb_desc tcb_desc; - /*This is for new trx flow*/ - struct rtl_tx_buffer_desc *pbuffer_desc = NULL; - u8 temp_one = 1; - - memset(&tcb_desc, 0, sizeof(struct rtl_tcb_desc)); - ring = &rtlpci->tx_ring[BEACON_QUEUE]; - pskb = __skb_dequeue(&ring->queue); - if (pskb) - kfree_skb(pskb); - - /*NB: the beacon data buffer must be 32-bit aligned. */ - pskb = ieee80211_beacon_get(hw, mac->vif); - if (pskb == NULL) - return; - hdr = rtl_get_hdr(pskb); - info = IEEE80211_SKB_CB(pskb); - pdesc = &ring->desc[0]; - if (rtlpriv->use_new_trx_flow) - pbuffer_desc = &ring->buffer_desc[0]; - - rtlpriv->cfg->ops->fill_tx_desc(hw, hdr, (u8 *)pdesc, - (u8 *)pbuffer_desc, info, NULL, pskb, - BEACON_QUEUE, &tcb_desc); - - __skb_queue_tail(&ring->queue, pskb); - - rtlpriv->cfg->ops->set_desc(hw, (u8 *)pdesc, true, HW_DESC_OWN, - (u8 *)&temp_one); - - return; -} - -static void _rtl_pci_init_trx_var(struct ieee80211_hw *hw) -{ - struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw)); - struct rtl_priv *rtlpriv = rtl_priv(hw); - struct rtl_hal *rtlhal = rtl_hal(rtlpriv); - u8 i; - u16 desc_num; - - if (rtlhal->hw_type == HARDWARE_TYPE_RTL8192EE) - desc_num = TX_DESC_NUM_92E; - else - desc_num = RT_TXDESC_NUM; - - for (i = 0; i < RTL_PCI_MAX_TX_QUEUE_COUNT; i++) - rtlpci->txringcount[i] = desc_num; - /* - *we just alloc 2 desc for beacon queue, - *because we just need first desc in hw beacon. - */ - rtlpci->txringcount[BEACON_QUEUE] = 2; - - /* - *BE queue need more descriptor for performance - *consideration or, No more tx desc will happen, - *and may cause mac80211 mem leakage. - */ - if (!rtl_priv(hw)->use_new_trx_flow) - rtlpci->txringcount[BE_QUEUE] = RT_TXDESC_NUM_BE_QUEUE; - - rtlpci->rxbuffersize = 9100; /*2048/1024; */ - rtlpci->rxringcount = RTL_PCI_MAX_RX_COUNT; /*64; */ -} - -static void _rtl_pci_init_struct(struct ieee80211_hw *hw, - struct pci_dev *pdev) -{ - struct rtl_priv *rtlpriv = rtl_priv(hw); - struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); - struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw)); - struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw)); - - rtlpriv->rtlhal.up_first_time = true; - rtlpriv->rtlhal.being_init_adapter = false; - - rtlhal->hw = hw; - rtlpci->pdev = pdev; - - /*Tx/Rx related var */ - _rtl_pci_init_trx_var(hw); - - /*IBSS*/ mac->beacon_interval = 100; - - /*AMPDU*/ - mac->min_space_cfg = 0; - mac->max_mss_density = 0; - /*set sane AMPDU defaults */ - mac->current_ampdu_density = 7; - mac->current_ampdu_factor = 3; - - /*QOS*/ - rtlpci->acm_method = eAcmWay2_SW; - - /*task */ - tasklet_init(&rtlpriv->works.irq_tasklet, - (void (*)(unsigned long))_rtl_pci_irq_tasklet, - (unsigned long)hw); - tasklet_init(&rtlpriv->works.irq_prepare_bcn_tasklet, - (void (*)(unsigned long))_rtl_pci_prepare_bcn_tasklet, - (unsigned long)hw); -} - -static int _rtl_pci_init_tx_ring(struct ieee80211_hw *hw, - unsigned int prio, unsigned int entries) -{ - struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw)); - struct rtl_priv *rtlpriv = rtl_priv(hw); - struct rtl_tx_buffer_desc *buffer_desc; - struct rtl_tx_desc *desc; - dma_addr_t buffer_desc_dma, desc_dma; - u32 nextdescaddress; - int i; - - /* alloc tx buffer desc for new trx flow*/ - if (rtlpriv->use_new_trx_flow) { - buffer_desc = - pci_zalloc_consistent(rtlpci->pdev, - sizeof(*buffer_desc) * entries, - &buffer_desc_dma); - if (!buffer_desc || (unsigned long)buffer_desc & 0xFF) { - RT_TRACE(COMP_ERR, DBG_EMERG, - ("Cannot allocate TX ring (prio = %d)\n", - prio)); - return -ENOMEM; - } - - rtlpci->tx_ring[prio].buffer_desc = buffer_desc; - rtlpci->tx_ring[prio].buffer_desc_dma = buffer_desc_dma; - - rtlpci->tx_ring[prio].cur_tx_rp = 0; - rtlpci->tx_ring[prio].cur_tx_wp = 0; - rtlpci->tx_ring[prio].avl_desc = entries; - } - - /* alloc dma for this ring */ - desc = pci_zalloc_consistent(rtlpci->pdev, sizeof(*desc) * entries, - &desc_dma); - if (!desc || (unsigned long)desc & 0xFF) { - RT_TRACE(COMP_ERR, DBG_EMERG, - ("Cannot allocate TX ring (prio = %d)\n", prio)); - return -ENOMEM; - } - - rtlpci->tx_ring[prio].desc = desc; - rtlpci->tx_ring[prio].dma = desc_dma; - - rtlpci->tx_ring[prio].idx = 0; - rtlpci->tx_ring[prio].entries = entries; - skb_queue_head_init(&rtlpci->tx_ring[prio].queue); - RT_TRACE(COMP_INIT, DBG_LOUD, - ("queue:%d, ring_addr:%p\n", prio, desc)); - - /* init every desc in this ring */ - if (!rtlpriv->use_new_trx_flow) { - for (i = 0; i < entries; i++) { - nextdescaddress = (u32) desc_dma + - ((i + 1) % entries) * - sizeof(*desc); - - rtlpriv->cfg->ops->set_desc(hw, (u8 *)&(desc[i]), - true, - HW_DESC_TX_NEXTDESC_ADDR, - (u8 *)&nextdescaddress); - } - } - return 0; -} - -static int _rtl_pci_init_rx_ring(struct ieee80211_hw *hw, int rxring_idx) -{ - struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw)); - struct rtl_priv *rtlpriv = rtl_priv(hw); - int i; - - if (rtlpriv->use_new_trx_flow) { - struct rtl_rx_buffer_desc *entry = NULL; - /* alloc dma for this ring */ - rtlpci->rx_ring[rxring_idx].buffer_desc = - pci_zalloc_consistent(rtlpci->pdev, - sizeof(*rtlpci->rx_ring[rxring_idx].buffer_desc) * rtlpci->rxringcount, - &rtlpci->rx_ring[rxring_idx].dma); - if (!rtlpci->rx_ring[rxring_idx].buffer_desc || - (unsigned long)rtlpci->rx_ring[rxring_idx].buffer_desc & 0xFF) { - RT_TRACE(COMP_ERR, DBG_EMERG, - ("Cannot allocate RX ring\n")); - return -ENOMEM; - } - - /* init every desc in this ring */ - rtlpci->rx_ring[rxring_idx].idx = 0; - - for (i = 0; i < rtlpci->rxringcount; i++) { - entry = &rtlpci->rx_ring[rxring_idx].buffer_desc[i]; - if (!_rtl_pci_init_one_rxdesc(hw, (u8 *)entry, - rxring_idx, i)) - return -ENOMEM; - } - } else { - struct rtl_rx_desc *entry = NULL; - u8 tmp_one = 1; - /* alloc dma for this ring */ - rtlpci->rx_ring[rxring_idx].desc = - pci_zalloc_consistent(rtlpci->pdev, - sizeof(*rtlpci->rx_ring[rxring_idx].desc) * rtlpci->rxringcount, - &rtlpci->rx_ring[rxring_idx].dma); - if (!rtlpci->rx_ring[rxring_idx].desc || - (unsigned long)rtlpci->rx_ring[rxring_idx].desc & 0xFF) { - RT_TRACE(COMP_ERR, DBG_EMERG, - ("Cannot allocate RX ring\n")); - return -ENOMEM; - } - - /* init every desc in this ring */ - rtlpci->rx_ring[rxring_idx].idx = 0; - for (i = 0; i < rtlpci->rxringcount; i++) { - entry = &rtlpci->rx_ring[rxring_idx].desc[i]; - if (!_rtl_pci_init_one_rxdesc(hw, (u8 *)entry, - rxring_idx, i)) - return -ENOMEM; - } - rtlpriv->cfg->ops->set_desc(hw, (u8 *)entry, false, - HW_DESC_RXERO, (u8 *) &tmp_one); - } - return 0; -} - -static void _rtl_pci_free_tx_ring(struct ieee80211_hw *hw, - unsigned int prio) -{ - struct rtl_priv *rtlpriv = rtl_priv(hw); - struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw)); - struct rtl8192_tx_ring *ring = &rtlpci->tx_ring[prio]; - - /* free every desc in this ring */ - while (skb_queue_len(&ring->queue)) { - struct sk_buff *skb = __skb_dequeue(&ring->queue); - u8 *entry; - - if (rtlpriv->use_new_trx_flow) - entry = (u8 *)(&ring->buffer_desc[ring->idx]); - else - entry = (u8 *)(&ring->desc[ring->idx]); - - pci_unmap_single(rtlpci->pdev, - rtlpriv->cfg->ops->get_desc((u8 *)entry, true, - HW_DESC_TXBUFF_ADDR), - skb->len, PCI_DMA_TODEVICE); - kfree_skb(skb); - ring->idx = (ring->idx + 1) % ring->entries; - } - - /* free dma of this ring */ - pci_free_consistent(rtlpci->pdev, - sizeof(*ring->desc) * ring->entries, - ring->desc, ring->dma); - ring->desc = NULL; - if (rtlpriv->use_new_trx_flow) { - pci_free_consistent(rtlpci->pdev, - sizeof(*ring->buffer_desc) * ring->entries, - ring->buffer_desc, ring->buffer_desc_dma); - ring->buffer_desc = NULL; - } -} - -static void _rtl_pci_free_rx_ring(struct ieee80211_hw *hw, int rxring_idx) -{ - struct rtl_priv *rtlpriv = rtl_priv(hw); - struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw)); - int i; - - /* free every desc in this ring */ - for (i = 0; i < rtlpci->rxringcount; i++) { - struct sk_buff *skb = rtlpci->rx_ring[rxring_idx].rx_buf[i]; - - if (!skb) - continue; - - pci_unmap_single(rtlpci->pdev, *((dma_addr_t *)skb->cb), - rtlpci->rxbuffersize, PCI_DMA_FROMDEVICE); - kfree_skb(skb); - } - - /* free dma of this ring */ - if (rtlpriv->use_new_trx_flow) { - pci_free_consistent(rtlpci->pdev, - sizeof(*rtlpci->rx_ring[rxring_idx]. - buffer_desc) * rtlpci->rxringcount, - rtlpci->rx_ring[rxring_idx].buffer_desc, - rtlpci->rx_ring[rxring_idx].dma); - rtlpci->rx_ring[rxring_idx].buffer_desc = NULL; - } else { - pci_free_consistent(rtlpci->pdev, - sizeof(*rtlpci->rx_ring[rxring_idx].desc) * - rtlpci->rxringcount, - rtlpci->rx_ring[rxring_idx].desc, - rtlpci->rx_ring[rxring_idx].dma); - rtlpci->rx_ring[rxring_idx].desc = NULL; - } -} - -static int _rtl_pci_init_trx_ring(struct ieee80211_hw *hw) -{ - struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw)); - int ret; - int i, rxring_idx; - - /* rxring_idx 0:RX_MPDU_QUEUE - * rxring_idx 1:RX_CMD_QUEUE */ - for (rxring_idx = 0; rxring_idx < RTL_PCI_MAX_RX_QUEUE; rxring_idx++) { - ret = _rtl_pci_init_rx_ring(hw, rxring_idx); - if (ret) - return ret; - } - - for (i = 0; i < RTL_PCI_MAX_TX_QUEUE_COUNT; i++) { - ret = _rtl_pci_init_tx_ring(hw, i, - rtlpci->txringcount[i]); - if (ret) - goto err_free_rings; - } - - return 0; - -err_free_rings: - for (rxring_idx = 0; rxring_idx < RTL_PCI_MAX_RX_QUEUE; rxring_idx++) - _rtl_pci_free_rx_ring(hw, rxring_idx); - - for (i = 0; i < RTL_PCI_MAX_TX_QUEUE_COUNT; i++) - if (rtlpci->tx_ring[i].desc || - rtlpci->tx_ring[i].buffer_desc) - _rtl_pci_free_tx_ring(hw, i); - - return 1; -} - -static int _rtl_pci_deinit_trx_ring(struct ieee80211_hw *hw) -{ - u32 i, rxring_idx; - - /*free rx rings */ - for (rxring_idx = 0; rxring_idx < RTL_PCI_MAX_RX_QUEUE; rxring_idx++) - _rtl_pci_free_rx_ring(hw, rxring_idx); - - /*free tx rings */ - for (i = 0; i < RTL_PCI_MAX_TX_QUEUE_COUNT; i++) - _rtl_pci_free_tx_ring(hw, i); - - return 0; -} - -int rtl92e_pci_reset_trx_ring(struct ieee80211_hw *hw) -{ - struct rtl_priv *rtlpriv = rtl_priv(hw); - struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw)); - int i, rxring_idx; - unsigned long flags; - u8 tmp_one = 1; - /* rxring_idx 0:RX_MPDU_QUEUE */ - /* rxring_idx 1:RX_CMD_QUEUE */ - for (rxring_idx = 0; rxring_idx < RTL_PCI_MAX_RX_QUEUE; rxring_idx++) { - /* force the rx_ring[RX_MPDU_QUEUE] - * RX_CMD_QUEUE].idx to the first one - * If using the new trx flow, do nothing - */ - if (!rtlpriv->use_new_trx_flow && - rtlpci->rx_ring[rxring_idx].desc) { - struct rtl_rx_desc *entry = NULL; - - for (i = 0; i < rtlpci->rxringcount; i++) { - entry = &rtlpci->rx_ring[rxring_idx].desc[i]; - rtlpriv->cfg->ops->set_desc(hw, (u8 *)entry, - false, - HW_DESC_RXOWN, - &tmp_one); - } - } - rtlpci->rx_ring[rxring_idx].idx = 0; - } - - /* after reset, release previous pending packet, - * and force the tx idx to the first one - */ - spin_lock_irqsave(&rtlpriv->locks.irq_th_lock, flags); - for (i = 0; i < RTL_PCI_MAX_TX_QUEUE_COUNT; i++) { - if (rtlpci->tx_ring[i].desc || - rtlpci->tx_ring[i].buffer_desc) { - struct rtl8192_tx_ring *ring = &rtlpci->tx_ring[i]; - - while (skb_queue_len(&ring->queue)) { - struct sk_buff *skb = - __skb_dequeue(&ring->queue); - u8 *entry; - - if (rtlpriv->use_new_trx_flow) - entry = (u8 *)(&ring->buffer_desc - [ring->idx]); - else - entry = (u8 *)(&ring->desc[ring->idx]); - - pci_unmap_single(rtlpci->pdev, - rtlpriv->cfg->ops->get_desc( - (u8 *)entry, true, - HW_DESC_TXBUFF_ADDR), - skb->len, PCI_DMA_TODEVICE); - kfree_skb(skb); - ring->idx = (ring->idx + 1) % ring->entries; - } - ring->idx = 0; - } - } - - spin_unlock_irqrestore(&rtlpriv->locks.irq_th_lock, flags); - - return 0; -} - -static bool rtl_pci_tx_chk_waitq_insert(struct ieee80211_hw *hw, - struct ieee80211_sta *sta, - struct sk_buff *skb) -{ - struct rtl_priv *rtlpriv = rtl_priv(hw); - struct rtl_sta_info *sta_entry = NULL; - u8 tid = rtl_get_tid(skb); - __le16 fc = rtl_get_fc(skb); - - if (!sta) - return false; - sta_entry = (struct rtl_sta_info *)sta->drv_priv; - - if (!rtlpriv->rtlhal.b_earlymode_enable) - return false; - if (ieee80211_is_nullfunc(fc)) - return false; - if (ieee80211_is_qos_nullfunc(fc)) - return false; - if (ieee80211_is_pspoll(fc)) - return false; - - if (sta_entry->tids[tid].agg.agg_state != RTL_AGG_OPERATIONAL) - return false; - if (_rtl_mac_to_hwqueue(hw, skb) > VO_QUEUE) - return false; - if (tid > 7) - return false; - /* maybe every tid should be checked */ - if (!rtlpriv->link_info.higher_busytxtraffic[tid]) - return false; - - spin_lock_bh(&rtlpriv->locks.waitq_lock); - skb_queue_tail(&rtlpriv->mac80211.skb_waitq[tid], skb); - spin_unlock_bh(&rtlpriv->locks.waitq_lock); - - return true; -} - -static int rtl_pci_tx(struct ieee80211_hw *hw, - struct ieee80211_sta *sta, - struct sk_buff *skb, - struct rtl_tcb_desc *ptcb_desc) -{ - struct rtl_priv *rtlpriv = rtl_priv(hw); - struct rtl_sta_info *sta_entry = NULL; - struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); - struct rtl8192_tx_ring *ring; - struct rtl_tx_desc *pdesc; - struct rtl_tx_buffer_desc *ptx_bd_desc = NULL; - u16 idx; - u8 own; - u8 temp_one = 1; - u8 hw_queue = _rtl_mac_to_hwqueue(hw, skb); - unsigned long flags; - struct ieee80211_hdr *hdr = rtl_get_hdr(skb); - __le16 fc = rtl_get_fc(skb); - u8 *pda_addr = hdr->addr1; - struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw)); - /*ssn */ - u8 tid = 0; - u16 seq_number = 0; - - if (ieee80211_is_mgmt(fc)) - rtl92e_tx_mgmt_proc(hw, skb); - - if (rtlpriv->psc.sw_ps_enabled) { - if (ieee80211_is_data(fc) && !ieee80211_is_nullfunc(fc) && - !ieee80211_has_pm(fc)) - hdr->frame_control |= cpu_to_le16(IEEE80211_FCTL_PM); - } - - rtl92e_action_proc(hw, skb, true); - - if (is_multicast_ether_addr(pda_addr)) - rtlpriv->stats.txbytesmulticast += skb->len; - else if (is_broadcast_ether_addr(pda_addr)) - rtlpriv->stats.txbytesbroadcast += skb->len; - else - rtlpriv->stats.txbytesunicast += skb->len; - - spin_lock_irqsave(&rtlpriv->locks.irq_th_lock, flags); - ring = &rtlpci->tx_ring[hw_queue]; - if (hw_queue != BEACON_QUEUE) { - if (rtlpriv->use_new_trx_flow) - idx = ring->cur_tx_wp; - else - idx = (ring->idx + skb_queue_len(&ring->queue)) % - ring->entries; - } else { - idx = 0; - } - - pdesc = &ring->desc[idx]; - - if (rtlpriv->use_new_trx_flow) { - ptx_bd_desc = &ring->buffer_desc[idx]; - } else { - own = (u8) rtlpriv->cfg->ops->get_desc((u8 *)pdesc, - true, HW_DESC_OWN); - - if ((own == 1) && (hw_queue != BEACON_QUEUE)) { - RT_TRACE(COMP_ERR, DBG_WARNING, - ("No more TX desc@%d, ring->idx = %d, idx = %d, skb_queue_len = 0x%d\n", - hw_queue, ring->idx, idx, - skb_queue_len(&ring->queue))); - - spin_unlock_irqrestore(&rtlpriv->locks.irq_th_lock, - flags); - return skb->len; - } - } - - if (ieee80211_is_data_qos(fc)) { - tid = rtl_get_tid(skb); - if (sta) { - sta_entry = (struct rtl_sta_info *)sta->drv_priv; - seq_number = (le16_to_cpu(hdr->seq_ctrl) & - IEEE80211_SCTL_SEQ) >> 4; - seq_number += 1; - - if (!ieee80211_has_morefrags(hdr->frame_control)) - sta_entry->tids[tid].seq_number = seq_number; - } - } - - if (ieee80211_is_data(fc)) - rtlpriv->cfg->ops->led_control(hw, LED_CTL_TX); - - rtlpriv->cfg->ops->fill_tx_desc(hw, hdr, (u8 *)pdesc, - (u8 *)ptx_bd_desc, info, sta, skb, - hw_queue, ptcb_desc); - - __skb_queue_tail(&ring->queue, skb); - if (rtlpriv->use_new_trx_flow) { - rtlpriv->cfg->ops->set_desc(hw, (u8 *)pdesc, true, - HW_DESC_OWN, (u8 *)&hw_queue); - } else { - rtlpriv->cfg->ops->set_desc(hw, (u8 *)pdesc, true, - HW_DESC_OWN, (u8 *)&temp_one); - } - - if ((ring->entries - skb_queue_len(&ring->queue)) < 2 && - hw_queue != BEACON_QUEUE) { - RT_TRACE(COMP_ERR, DBG_LOUD, - ("less desc left, stop skb_queue@%d, ring->idx = %d, idx = %d, skb_queue_len = 0x%d\n", - hw_queue, ring->idx, idx, - skb_queue_len(&ring->queue))); - - ieee80211_stop_queue(hw, skb_get_queue_mapping(skb)); - } - - spin_unlock_irqrestore(&rtlpriv->locks.irq_th_lock, flags); - - if (rtlpriv->cfg->ops->tx_polling) - rtlpriv->cfg->ops->tx_polling(hw, hw_queue); - - return 0; -} -static void rtl_pci_flush(struct ieee80211_hw *hw, u32 queues, bool drop) -{ - struct rtl_priv *rtlpriv = rtl_priv(hw); - struct rtl_pci_priv *pcipriv = rtl_pcipriv(hw); - struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); - struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw)); - u16 i = 0; - int queue_id; - struct rtl8192_tx_ring *ring; - - if (mac->skip_scan) - return; - - for (queue_id = RTL_PCI_MAX_TX_QUEUE_COUNT - 1; queue_id >= 0;) { - u32 queue_len; - if (((queues >> queue_id) & 0x1) == 0) { - queue_id--; - continue; - } - ring = &pcipriv->dev.tx_ring[queue_id]; - queue_len = skb_queue_len(&ring->queue); - if (queue_len == 0 || queue_id == BEACON_QUEUE || - queue_id == TXCMD_QUEUE) { - queue_id--; - continue; - } else { - msleep(5); - i++; - } - - /* we just wait 1s for all queues */ - if (rtlpriv->psc.rfpwr_state == ERFOFF || - is_hal_stop(rtlhal) || i >= 200) - return; - } -} - -static void rtl_pci_deinit(struct ieee80211_hw *hw) -{ - struct rtl_priv *rtlpriv = rtl_priv(hw); - struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw)); - - _rtl_pci_deinit_trx_ring(hw); - - synchronize_irq(rtlpci->pdev->irq); - tasklet_kill(&rtlpriv->works.irq_tasklet); - - flush_workqueue(rtlpriv->works.rtl_wq); - destroy_workqueue(rtlpriv->works.rtl_wq); -} - -static int rtl_pci_init(struct ieee80211_hw *hw, struct pci_dev *pdev) -{ - struct rtl_priv *rtlpriv = rtl_priv(hw); - int err; - - _rtl_pci_init_struct(hw, pdev); - - err = _rtl_pci_init_trx_ring(hw); - if (err) { - RT_TRACE(COMP_ERR, DBG_EMERG, - ("tx ring initialization failed")); - return err; - } - - return 1; -} - -static int rtl_pci_start(struct ieee80211_hw *hw) -{ - struct rtl_priv *rtlpriv = rtl_priv(hw); - struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw)); - struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw)); - int err = 0; - - RT_TRACE(COMP_INIT, DBG_DMESG, (" rtl_pci_start\n")); - rtl92e_pci_reset_trx_ring(hw); - - rtlpriv->rtlhal.driver_is_goingto_unload = false; - if (rtlpriv->cfg->ops->get_btc_status()) { - rtlpriv->btcoexist.btc_ops->btc_init_variables(rtlpriv); - rtlpriv->btcoexist.btc_ops->btc_init_hal_vars(rtlpriv); - } - - err = rtlpriv->cfg->ops->hw_init(hw); - if (err) { - RT_TRACE(COMP_INIT, DBG_DMESG, - ("Failed to config hardware err %x!\n" , err)); - return err; - } - - rtlpriv->cfg->ops->enable_interrupt(hw); - RT_TRACE(COMP_INIT, DBG_LOUD, ("enable_interrupt OK\n")); - - rtl92e_init_rx_config(hw); - - /*should after adapter start and interrupt enable. */ - set_hal_start(rtlhal); - - RT_CLEAR_PS_LEVEL(ppsc, RT_RF_OFF_LEVL_HALT_NIC); - - rtlpriv->rtlhal.up_first_time = false; - - RT_TRACE(COMP_INIT, DBG_DMESG, ("rtl_pci_start OK\n")); - return 0; -} - -static void rtl_pci_stop(struct ieee80211_hw *hw) -{ - struct rtl_priv *rtlpriv = rtl_priv(hw); - struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw)); - struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw)); - u8 RFInProgressTimeOut = 0; - - if (rtlpriv->cfg->ops->get_btc_status()) - rtlpriv->btcoexist.btc_ops->btc_halt_notify(); - - /* - *should before disable interrrupt&adapter - *and will do it immediately. - */ - set_hal_stop(rtlhal); - - rtlpriv->cfg->ops->disable_interrupt(hw); - - spin_lock(&rtlpriv->locks.rf_ps_lock); - while (ppsc->rfchange_inprogress) { - spin_unlock(&rtlpriv->locks.rf_ps_lock); - if (RFInProgressTimeOut > 100) { - spin_lock(&rtlpriv->locks.rf_ps_lock); - break; - } - mdelay(1); - RFInProgressTimeOut++; - spin_lock(&rtlpriv->locks.rf_ps_lock); - } - ppsc->rfchange_inprogress = true; - spin_unlock(&rtlpriv->locks.rf_ps_lock); - - rtlpriv->rtlhal.driver_is_goingto_unload = true; - rtlpriv->cfg->ops->hw_disable(hw); - rtlpriv->cfg->ops->led_control(hw, LED_CTL_POWER_OFF); - - spin_lock(&rtlpriv->locks.rf_ps_lock); - ppsc->rfchange_inprogress = false; - spin_unlock(&rtlpriv->locks.rf_ps_lock); - - rtl_pci_enable_aspm(hw); -} - -static bool _rtl_pci_find_adapter(struct pci_dev *pdev, - struct ieee80211_hw *hw) -{ - struct rtl_priv *rtlpriv = rtl_priv(hw); - struct rtl_pci_priv *pcipriv = rtl_pcipriv(hw); - struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw)); - struct pci_dev *bridge_pdev = pdev->bus->self; - u16 venderid; - u16 deviceid; - u8 revisionid; - u16 irqline; - u8 tmp; - - venderid = pdev->vendor; - deviceid = pdev->device; - pci_read_config_byte(pdev, 0x8, &revisionid); - pci_read_config_word(pdev, 0x3C, &irqline); - - if (deviceid == RTL_PCI_8192_DID || - deviceid == RTL_PCI_0044_DID || - deviceid == RTL_PCI_0047_DID || - deviceid == RTL_PCI_8192SE_DID || - deviceid == RTL_PCI_8174_DID || - deviceid == RTL_PCI_8173_DID || - deviceid == RTL_PCI_8172_DID || - deviceid == RTL_PCI_8171_DID) { - switch (revisionid) { - case RTL_PCI_REVISION_ID_8192PCIE: - RT_TRACE(COMP_INIT, DBG_DMESG, - ("8192E is found but not supported now-vid/did=%x/%x\n", - venderid, deviceid)); - rtlhal->hw_type = HARDWARE_TYPE_RTL8192E; - return false; - break; - case RTL_PCI_REVISION_ID_8192SE: - RT_TRACE(COMP_INIT, DBG_DMESG, - ("8192SE is found - vid/did=%x/%x\n", - venderid, deviceid)); - rtlhal->hw_type = HARDWARE_TYPE_RTL8192SE; - break; - default: - RT_TRACE(COMP_ERR, DBG_WARNING, - ("Err: Unknown device - vid/did=%x/%x\n", - venderid, deviceid)); - rtlhal->hw_type = HARDWARE_TYPE_RTL8192SE; - break; - } - } else if (deviceid == RTL_PCI_8723AE_DID) { - rtlhal->hw_type = HARDWARE_TYPE_RTL8723AE; - RT_TRACE(COMP_INIT, DBG_DMESG, - ("8723AE PCI-E is found - vid/did=%x/%x\n", - venderid, deviceid)); - } else if (deviceid == RTL_PCI_8192CET_DID || - deviceid == RTL_PCI_8192CE_DID || - deviceid == RTL_PCI_8191CE_DID || - deviceid == RTL_PCI_8188CE_DID) { - rtlhal->hw_type = HARDWARE_TYPE_RTL8192CE; - RT_TRACE(COMP_INIT, DBG_DMESG, - ("8192C PCI-E is found - vid/did=%x/%x\n", - venderid, deviceid)); - } else if (deviceid == RTL_PCI_8192DE_DID || - deviceid == RTL_PCI_8192DE_DID2) { - rtlhal->hw_type = HARDWARE_TYPE_RTL8192DE; - RT_TRACE(COMP_INIT, DBG_DMESG, - ("8192D PCI-E is found - vid/did=%x/%x\n", - venderid, deviceid)); - } else if (deviceid == RTL_PCI_8188EE_DID) { - rtlhal->hw_type = HARDWARE_TYPE_RTL8188EE; - RT_TRACE(COMP_INIT , DBG_LOUD, - ("Find adapter, Hardware type is 8188EE\n")); - } else if (deviceid == RTL_PCI_8723BE_DID) { - rtlhal->hw_type = HARDWARE_TYPE_RTL8723BE; - RT_TRACE(COMP_INIT , DBG_LOUD, - ("Find adapter, Hardware type is 8723BE\n")); - } else if (deviceid == RTL_PCI_8192EE_DID) { - rtlhal->hw_type = HARDWARE_TYPE_RTL8192EE; - RT_TRACE(COMP_INIT , DBG_LOUD, - ("Find adapter, Hardware type is 8192EE\n")); - } else if (deviceid == RTL_PCI_8821AE_DID) { - rtlhal->hw_type = HARDWARE_TYPE_RTL8821AE; - RT_TRACE(COMP_INIT , DBG_LOUD, - ("Find adapter, Hardware type is 8821AE\n")); - } else if (deviceid == RTL_PCI_8812AE_DID) { - rtlhal->hw_type = HARDWARE_TYPE_RTL8812AE; - RT_TRACE(COMP_INIT , DBG_LOUD, - ("Find adapter, Hardware type is 8812AE\n")); - } else { - RT_TRACE(COMP_ERR, DBG_WARNING, - ("Err: Unknown device - vid/did=%x/%x\n", - venderid, deviceid)); - - rtlhal->hw_type = RTL_DEFAULT_HARDWARE_TYPE; - } - - if (rtlhal->hw_type == HARDWARE_TYPE_RTL8192DE) { - if (revisionid == 0 || revisionid == 1) { - if (revisionid == 0) { - RT_TRACE(COMP_INIT, DBG_LOUD, - ("Find 92DE MAC0.\n")); - rtlhal->interfaceindex = 0; - } else if (revisionid == 1) { - RT_TRACE(COMP_INIT, DBG_LOUD, - ("Find 92DE MAC1.\n")); - rtlhal->interfaceindex = 1; - } - } else { - RT_TRACE(COMP_INIT, DBG_LOUD, - ("Unknown device - VendorID/DeviceID=%x/%x, Revision=%x\n", - venderid, deviceid, revisionid)); - rtlhal->interfaceindex = 0; - } - } - - /* 92ee use new trx flow */ - if (rtlhal->hw_type == HARDWARE_TYPE_RTL8192EE) - rtlpriv->use_new_trx_flow = true; - else - rtlpriv->use_new_trx_flow = false; - - /*find bus info */ - pcipriv->ndis_adapter.busnumber = pdev->bus->number; - pcipriv->ndis_adapter.devnumber = PCI_SLOT(pdev->devfn); - pcipriv->ndis_adapter.funcnumber = PCI_FUNC(pdev->devfn); - - /*find bridge info */ - pcipriv->ndis_adapter.pcibridge_vendor = PCI_BRIDGE_VENDOR_UNKNOWN; - /* some ARM have no bridge_pdev and will crash here - * so we should check if bridge_pdev is NULL */ - if (bridge_pdev) { - pcipriv->ndis_adapter.pcibridge_vendorid = bridge_pdev->vendor; - for (tmp = 0; tmp < PCI_BRIDGE_VENDOR_MAX; tmp++) { - if (bridge_pdev->vendor == pcibridge_vendors[tmp]) { - pcipriv->ndis_adapter.pcibridge_vendor = tmp; - RT_TRACE(COMP_INIT, DBG_DMESG, - ("Pci Bridge Vendor is found index: %d\n", - tmp)); - break; - } - } - } - - if (pcipriv->ndis_adapter.pcibridge_vendor != - PCI_BRIDGE_VENDOR_UNKNOWN) { - pcipriv->ndis_adapter.pcibridge_busnum = - bridge_pdev->bus->number; - pcipriv->ndis_adapter.pcibridge_devnum = - PCI_SLOT(bridge_pdev->devfn); - pcipriv->ndis_adapter.pcibridge_funcnum = - PCI_FUNC(bridge_pdev->devfn); - pcipriv->ndis_adapter.pcicfg_addrport = - (pcipriv->ndis_adapter.pcibridge_busnum << 16) | - (pcipriv->ndis_adapter.pcibridge_devnum << 11) | - (pcipriv->ndis_adapter.pcibridge_funcnum << 8) | (1 << 31); - pcipriv->ndis_adapter.pcibridge_pciehdr_offset = - pci_pcie_cap(bridge_pdev); - pcipriv->ndis_adapter.num4bytes = - (pcipriv->ndis_adapter.pcibridge_pciehdr_offset + 0x10) / 4; - - rtl_pci_get_linkcontrol_field(hw); - - if (pcipriv->ndis_adapter.pcibridge_vendor == - PCI_BRIDGE_VENDOR_AMD) { - pcipriv->ndis_adapter.amd_l1_patch = - rtl_pci_get_amd_l1_patch(hw); - } - } - - RT_TRACE(COMP_INIT, DBG_DMESG, - ("pcidev busnumber:devnumber:funcnumber:vendor:link_ctl %d:%d:%d:%x:%x\n", - pcipriv->ndis_adapter.busnumber, - pcipriv->ndis_adapter.devnumber, - pcipriv->ndis_adapter.funcnumber, - pdev->vendor, pcipriv->ndis_adapter.linkctrl_reg)); - - RT_TRACE(COMP_INIT, DBG_DMESG, - ("pci_bridge busnumber:devnumber:funcnumber:vendor:pcie_cap:link_ctl_reg:amd %d:%d:%d:%x:%x:%x:%x\n", - pcipriv->ndis_adapter.pcibridge_busnum, - pcipriv->ndis_adapter.pcibridge_devnum, - pcipriv->ndis_adapter.pcibridge_funcnum, - pcibridge_vendors[pcipriv->ndis_adapter.pcibridge_vendor], - pcipriv->ndis_adapter.pcibridge_pciehdr_offset, - pcipriv->ndis_adapter.pcibridge_linkctrlreg, - pcipriv->ndis_adapter.amd_l1_patch)); - - rtl_pci_parse_configuration(pdev, hw); - list_add_tail(&rtlpriv->list, &rtlpriv->glb_var->glb_priv_list); - return true; -} - -static int rtl_pci_intr_mode_msi(struct ieee80211_hw *hw) -{ - struct rtl_priv *rtlpriv = rtl_priv(hw); - struct rtl_pci_priv *pcipriv = rtl_pcipriv(hw); - struct rtl_pci *rtlpci = rtl_pcidev(pcipriv); - int ret; - ret = pci_enable_msi(rtlpci->pdev); - if (ret < 0) - return ret; - - ret = request_irq(rtlpci->pdev->irq, &_rtl_pci_interrupt, - IRQF_SHARED, KBUILD_MODNAME, hw); - if (ret < 0) { - pci_disable_msi(rtlpci->pdev); - return ret; - } - - rtlpci->using_msi = true; - - RT_TRACE(COMP_INIT|COMP_INTR, DBG_DMESG, ("MSI Interrupt Mode!\n")); - return 0; -} - -static int rtl_pci_intr_mode_legacy(struct ieee80211_hw *hw) -{ - struct rtl_priv *rtlpriv = rtl_priv(hw); - struct rtl_pci_priv *pcipriv = rtl_pcipriv(hw); - struct rtl_pci *rtlpci = rtl_pcidev(pcipriv); - int ret; - - ret = request_irq(rtlpci->pdev->irq, &_rtl_pci_interrupt, - IRQF_SHARED, KBUILD_MODNAME, hw); - if (ret < 0) - return ret; - - rtlpci->using_msi = false; - RT_TRACE(COMP_INIT|COMP_INTR, DBG_DMESG, - ("Pin-based Interrupt Mode!\n")); - return 0; -} - -static int rtl_pci_intr_mode_decide(struct ieee80211_hw *hw) -{ - struct rtl_pci_priv *pcipriv = rtl_pcipriv(hw); - struct rtl_pci *rtlpci = rtl_pcidev(pcipriv); - int ret; - if (rtlpci->msi_support) { - ret = rtl_pci_intr_mode_msi(hw); - if (ret < 0) - ret = rtl_pci_intr_mode_legacy(hw); - } else { - ret = rtl_pci_intr_mode_legacy(hw); - } - return ret; -} - -/* this is used for other modules get - * hw pointer in rtl_pci_get_hw_pointer */ -static struct ieee80211_hw *hw_export; - -int stg_rtl_pci_probe(struct pci_dev *pdev, - const struct pci_device_id *id) -{ - struct ieee80211_hw *hw = NULL; - struct rtl_priv *rtlpriv = NULL; - struct rtl_pci_priv *pcipriv = NULL; - struct rtl_pci *rtlpci; - unsigned long pmem_start, pmem_len, pmem_flags; - int err; - - err = pci_enable_device(pdev); - if (err) { - RT_ASSERT(false, - ("%s : Cannot enable new PCI device\n", - pci_name(pdev))); - return err; - } - - if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(32))) { - if (pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32))) { - RT_ASSERT(false, - ("Unable to obtain 32bit DMA for consistent allocations\n")); - pci_disable_device(pdev); - return -ENOMEM; - } - } - - pci_set_master(pdev); - - hw = ieee80211_alloc_hw(sizeof(struct rtl_pci_priv) + - sizeof(struct rtl_priv), &rtl92e_ops); - if (!hw) { - RT_ASSERT(false, - ("%s : ieee80211 alloc failed\n", pci_name(pdev))); - err = -ENOMEM; - goto fail1; - } - hw_export = hw; - - SET_IEEE80211_DEV(hw, &pdev->dev); - pci_set_drvdata(pdev, hw); - - rtlpriv = hw->priv; - pcipriv = (void *)rtlpriv->priv; - pcipriv->dev.pdev = pdev; - - /* init cfg & intf_ops */ - rtlpriv->rtlhal.interface = INTF_PCI; - rtlpriv->cfg = (struct rtl_hal_cfg *)(id->driver_data); - rtlpriv->intf_ops = &rtl92e_pci_ops; - rtlpriv->glb_var = &global_var; - - /* - *init dbgp flags before all - *other functions, because we will - *use it in other funtions like - *RT_TRACE/RT_PRINT/RTL_PRINT_DATA - *you can not use these macro - *before this - */ - rtl92e_dbgp_flag_init(hw); - - /* MEM map */ - err = pci_request_regions(pdev, KBUILD_MODNAME); - if (err) { - RT_ASSERT(false, ("Can't obtain PCI resources\n")); - return err; - } - - pmem_start = pci_resource_start(pdev, rtlpriv->cfg->bar_id); - pmem_len = pci_resource_len(pdev, rtlpriv->cfg->bar_id); - pmem_flags = pci_resource_flags(pdev, rtlpriv->cfg->bar_id); - - /*shared mem start */ - rtlpriv->io.pci_mem_start = - (unsigned long)pci_iomap(pdev, - rtlpriv->cfg->bar_id, pmem_len); - if (rtlpriv->io.pci_mem_start == 0) { - RT_ASSERT(false, ("Can't map PCI mem\n")); - goto fail2; - } - - RT_TRACE(COMP_INIT, DBG_DMESG, - ("mem mapped space: start: 0x%08lx len:%08lx flags:%08lx, after map:0x%08lx\n", - pmem_start, pmem_len, pmem_flags, - rtlpriv->io.pci_mem_start)); - - /* Disable Clk Request */ - pci_write_config_byte(pdev, 0x81, 0); - /* leave D3 mode */ - pci_write_config_byte(pdev, 0x44, 0); - pci_write_config_byte(pdev, 0x04, 0x06); - pci_write_config_byte(pdev, 0x04, 0x07); - - /* The next statement is needed when built as single module */ - rtl_core_module_init(); - - /* find adapter */ - /* if chip not support, will return false */ - if (!_rtl_pci_find_adapter(pdev, hw)) - goto fail3; - - /* Init IO handler */ - _rtl_pci_io_handler_init(&pdev->dev, hw); - - /*like read eeprom and so on */ - rtlpriv->cfg->ops->read_eeprom_info(hw); - - if (rtlpriv->cfg->ops->init_sw_vars(hw)) { - RT_TRACE(COMP_ERR, DBG_EMERG, ("Can't init_sw_vars.\n")); - goto fail3; - } - - rtlpriv->cfg->ops->init_sw_leds(hw); - - /*aspm */ - rtl_pci_init_aspm(hw); - - /* Init mac80211 sw */ - err = rtl92e_init_core(hw); - if (err) { - RT_TRACE(COMP_ERR, DBG_EMERG, - ("Can't allocate sw for mac80211.\n")); - goto fail3; - } - - /* Init PCI sw */ - err = !rtl_pci_init(hw, pdev); - if (err) { - RT_TRACE(COMP_ERR, DBG_EMERG, ("Failed to init PCI.\n")); - goto fail3; - } - - err = ieee80211_register_hw(hw); - if (err) { - RT_TRACE(COMP_ERR, DBG_EMERG, - ("Can't register mac80211 hw.\n")); - goto fail3; - } else { - rtlpriv->mac80211.mac80211_registered = 1; - } - /* the wiphy must have been registed to - * cfg80211 prior to regulatory_hint */ - if (regulatory_hint(hw->wiphy, rtlpriv->regd.alpha2)) - RT_TRACE(COMP_ERR, DBG_WARNING, ("regulatory_hint fail\n")); - - /* add for prov */ - rtl_proc_add_one(hw); - - /*init rfkill */ - rtl92e_init_rfkill(hw); - - rtlpci = rtl_pcidev(pcipriv); - err = rtl_pci_intr_mode_decide(hw); - if (err) { - RT_TRACE(COMP_INIT, DBG_DMESG, - ("%s: failed to register IRQ handler\n", - wiphy_name(hw->wiphy))); - goto fail3; - } else { - rtlpci->irq_alloc = 1; - } - - set_bit(RTL_STATUS_INTERFACE_START, &rtlpriv->status); - return 0; - -fail3: - pci_set_drvdata(pdev, NULL); - rtl92e_deinit_core(hw); - ieee80211_free_hw(hw); - - if (rtlpriv->io.pci_mem_start != 0) - pci_iounmap(pdev, (void __iomem *)rtlpriv->io.pci_mem_start); - -fail2: - pci_release_regions(pdev); - -fail1: - - pci_disable_device(pdev); - - return -ENODEV; -} -EXPORT_SYMBOL(stg_rtl_pci_probe); - -struct ieee80211_hw *rtl_pci_get_hw_pointer(void) -{ - return hw_export; -} -EXPORT_SYMBOL(rtl_pci_get_hw_pointer); - -void stg_rtl_pci_disconnect(struct pci_dev *pdev) -{ - struct ieee80211_hw *hw = pci_get_drvdata(pdev); - struct rtl_pci_priv *pcipriv = rtl_pcipriv(hw); - struct rtl_priv *rtlpriv = rtl_priv(hw); - struct rtl_pci *rtlpci = rtl_pcidev(pcipriv); - struct rtl_mac *rtlmac = rtl_mac(rtlpriv); - - clear_bit(RTL_STATUS_INTERFACE_START, &rtlpriv->status); - - /* add for prov */ - rtl_proc_remove_one(hw); - - /*ieee80211_unregister_hw will call ops_stop */ - if (rtlmac->mac80211_registered == 1) { - ieee80211_unregister_hw(hw); - rtlmac->mac80211_registered = 0; - } else { - rtl92e_deinit_deferred_work(hw); - rtlpriv->intf_ops->adapter_stop(hw); - } - - /*deinit rfkill */ - rtl92e_deinit_rfkill(hw); - - rtl_pci_deinit(hw); - rtl92e_deinit_core(hw); - rtlpriv->cfg->ops->deinit_sw_vars(hw); - - if (rtlpci->irq_alloc) { - synchronize_irq(rtlpci->pdev->irq); - free_irq(rtlpci->pdev->irq, hw); - rtlpci->irq_alloc = 0; - } - - if (rtlpci->using_msi) - pci_disable_msi(rtlpci->pdev); - - list_del(&rtlpriv->list); - if (rtlpriv->io.pci_mem_start != 0) { - pci_iounmap(pdev, (void __iomem *)rtlpriv->io.pci_mem_start); - pci_release_regions(pdev); - } - - pci_disable_device(pdev); - - rtl_pci_disable_aspm(hw); - - pci_set_drvdata(pdev, NULL); - - ieee80211_free_hw(hw); -} -EXPORT_SYMBOL(stg_rtl_pci_disconnect); - -/*************************************** -kernel pci power state define: -PCI_D0 ((pci_power_t __force) 0) -PCI_D1 ((pci_power_t __force) 1) -PCI_D2 ((pci_power_t __force) 2) -PCI_D3hot ((pci_power_t __force) 3) -PCI_D3cold ((pci_power_t __force) 4) -PCI_UNKNOWN ((pci_power_t __force) 5) - -This function is called when system -goes into suspend state mac80211 will -call rtl_mac_stop() from the mac80211 -suspend function first, So there is -no need to call hw_disable here. -****************************************/ -int stg_rtl_pci_suspend(struct device *dev) -{ - struct pci_dev *pdev = to_pci_dev(dev); - struct ieee80211_hw *hw = pci_get_drvdata(pdev); - struct rtl_priv *rtlpriv = rtl_priv(hw); - - rtlpriv->cfg->ops->hw_suspend(hw); - rtl92e_deinit_rfkill(hw); - - return 0; -} -EXPORT_SYMBOL(stg_rtl_pci_suspend); - -int stg_rtl_pci_resume(struct device *dev) -{ - struct pci_dev *pdev = to_pci_dev(dev); - struct ieee80211_hw *hw = pci_get_drvdata(pdev); - struct rtl_priv *rtlpriv = rtl_priv(hw); - - rtlpriv->cfg->ops->hw_resume(hw); - rtl92e_init_rfkill(hw); - - return 0; -} -EXPORT_SYMBOL(stg_rtl_pci_resume); - -struct rtl_intf_ops rtl92e_pci_ops = { - .read92e_efuse_byte = read92e_efuse_byte, - .adapter_start = rtl_pci_start, - .adapter_stop = rtl_pci_stop, - .check_buddy_priv = rtl_pci_check_buddy_priv, - .adapter_tx = rtl_pci_tx, - .flush = rtl_pci_flush, - .reset_trx_ring = rtl92e_pci_reset_trx_ring, - .waitq_insert = rtl_pci_tx_chk_waitq_insert, - - .disable_aspm = rtl_pci_disable_aspm, - .enable_aspm = rtl_pci_enable_aspm, -}; |