From e7549b926dd3ceec048f5689df90d4ec970c9419 Mon Sep 17 00:00:00 2001 From: Wolfgang Wiedmeyer Date: Fri, 23 Oct 2015 13:30:20 +0200 Subject: more driver stuff from 3.2.72 --- drivers/net/wireless/rtlwifi/pci.c | 318 ++++++++++++++++--------------------- 1 file changed, 141 insertions(+), 177 deletions(-) (limited to 'drivers/net/wireless/rtlwifi/pci.c') diff --git a/drivers/net/wireless/rtlwifi/pci.c b/drivers/net/wireless/rtlwifi/pci.c index c29f398..38b793b 100644 --- a/drivers/net/wireless/rtlwifi/pci.c +++ b/drivers/net/wireless/rtlwifi/pci.c @@ -27,6 +27,7 @@ * *****************************************************************************/ +#include #include "core.h" #include "wifi.h" #include "pci.h" @@ -35,10 +36,10 @@ #include "efuse.h" static const u16 pcibridge_vendors[PCI_BRIDGE_VENDOR_MAX] = { - INTEL_VENDOR_ID, - ATI_VENDOR_ID, - AMD_VENDOR_ID, - SIS_VENDOR_ID + PCI_VENDOR_ID_INTEL, + PCI_VENDOR_ID_ATI, + PCI_VENDOR_ID_AMD, + PCI_VENDOR_ID_SI }; static const u8 ac_to_hwq[] = { @@ -218,7 +219,6 @@ static void rtl_pci_disable_aspm(struct ieee80211_hw *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; @@ -254,9 +254,8 @@ static void rtl_pci_disable_aspm(struct ieee80211_hw *hw) 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); + pci_write_config_byte(rtlpci->pdev, (num4bytes << 2), + pcibridge_linkctrlreg); udelay(50); } @@ -277,7 +276,6 @@ static void rtl_pci_enable_aspm(struct ieee80211_hw *hw) u8 pcibridge_devnum = pcipriv->ndis_adapter.pcibridge_devnum; u8 pcibridge_funcnum = pcipriv->ndis_adapter.pcibridge_funcnum; 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; @@ -293,8 +291,6 @@ static void rtl_pci_enable_aspm(struct ieee80211_hw *hw) } /*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 | @@ -303,7 +299,8 @@ static void rtl_pci_enable_aspm(struct ieee80211_hw *hw) if (pcibridge_vendor == PCI_BRIDGE_VENDOR_INTEL) u_pcibridge_aspmsetting &= ~BIT(0); - rtl_pci_raw_write_port_uchar(PCI_CONF_DATA, u_pcibridge_aspmsetting); + pci_write_config_byte(rtlpci->pdev, (num4bytes << 2), + u_pcibridge_aspmsetting); RT_TRACE(rtlpriv, COMP_INIT, DBG_LOUD, ("PlatformEnableASPM():PciBridge busnumber[%x], " @@ -335,25 +332,18 @@ static void rtl_pci_enable_aspm(struct ieee80211_hw *hw) 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; + struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw)); 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); + pci_write_config_byte(rtlpci->pdev, 0xe0, 0xa0); - rtl_pci_raw_write_port_ulong(PCI_CONF_ADDRESS, - pcicfg_addrport + 0xE0); - rtl_pci_raw_read_port_uchar(PCI_CONF_DATA, &offset_e0); + pci_read_config_byte(rtlpci->pdev, 0xe0, &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); + pci_read_config_dword(rtlpci->pdev, 0xe4, &offset_e4); if (offset_e4 & BIT(23)) status = true; } @@ -364,17 +354,15 @@ static bool rtl_pci_get_amd_l1_patch(struct ieee80211_hw *hw) static void rtl_pci_get_linkcontrol_field(struct ieee80211_hw *hw) { struct rtl_pci_priv *pcipriv = rtl_pcipriv(hw); + struct rtl_pci *rtlpci = rtl_pcidev(pcipriv); 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); + pci_read_config_byte(rtlpci->pdev, (num4bbytes << 2), &linkctrl_reg); pcipriv->ndis_adapter.pcibridge_linkctrlreg = linkctrl_reg; } @@ -390,7 +378,7 @@ static void rtl_pci_parse_configuration(struct pci_dev *pdev, u8 linkctrl_reg; /*Link Control Register */ - pos = pci_find_capability(pdev, PCI_CAP_ID_EXP); + pos = pci_pcie_cap(pdev); pci_read_config_byte(pdev, pos + PCI_EXP_LNKCTL, &linkctrl_reg); pcipriv->ndis_adapter.linkctrl_reg = linkctrl_reg; @@ -488,7 +476,7 @@ static void _rtl_pci_tx_chk_waitq(struct ieee80211_hw *hw) struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw)); struct sk_buff *skb = NULL; struct ieee80211_tx_info *info = NULL; - int tid; /* should be int */ + int tid; if (!rtlpriv->rtlhal.earlymode_enable) return; @@ -581,7 +569,7 @@ static void _rtl_pci_tx_isr(struct ieee80211_hw *hw, int prio) fc = rtl_get_fc(skb); if (ieee80211_is_nullfunc(fc)) { if (ieee80211_has_pm(fc)) { - rtlpriv->mac80211.offchan_deley = true; + rtlpriv->mac80211.offchan_delay = true; rtlpriv->psc.state_inap = 1; } else { rtlpriv->psc.state_inap = 0; @@ -622,10 +610,62 @@ tx_status_ok: if (((rtlpriv->link_info.num_rx_inperiod + rtlpriv->link_info.num_tx_inperiod) > 8) || (rtlpriv->link_info.num_rx_inperiod > 2)) { - rtl_lps_leave(hw); + tasklet_schedule(&rtlpriv->works.ips_leave_tasklet); } } +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; + struct sk_buff *uskb = NULL; + u8 *pdata; + + + 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; + } + + rtl_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++; + } + + /* for sw lps */ + rtl_swlps_beacon(hw, (void *)skb->data, skb->len); + rtl_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))) + return; + + if (unlikely(!rtl_action_proc(hw, skb, false))) + return; + + uskb = dev_alloc_skb(skb->len + 128); + if (!uskb) + return; /* exit if allocation failed */ + memcpy(IEEE80211_SKB_RXCB(uskb), &rx_status, sizeof(rx_status)); + pdata = (u8 *)skb_put(uskb, skb->len); + memcpy(pdata, skb->data, skb->len); + + ieee80211_rx_irqsafe(hw, uskb); +} + static void _rtl_pci_rx_interrupt(struct ieee80211_hw *hw) { struct rtl_priv *rtlpriv = rtl_priv(hw); @@ -637,185 +677,114 @@ static void _rtl_pci_rx_interrupt(struct ieee80211_hw *hw) u8 own; u8 tmp_one; u32 bufferaddress; - bool unicast = false; struct rtl_stats stats = { .signal = 0, .noise = -98, .rate = 0, }; + int index = rtlpci->rx_ring[rx_queue_idx].idx; + if (rtlpci->driver_is_goingto_unload) + return; /*RX NORMAL PKT */ while (count--) { /*rx descriptor */ struct rtl_rx_desc *pdesc = &rtlpci->rx_ring[rx_queue_idx].desc[ - rtlpci->rx_ring[rx_queue_idx].idx]; + index]; /*rx pkt */ struct sk_buff *skb = rtlpci->rx_ring[rx_queue_idx].rx_buf[ - rtlpci->rx_ring[rx_queue_idx].idx]; + index]; + struct sk_buff *new_skb = NULL; own = (u8) rtlpriv->cfg->ops->get_desc((u8 *) pdesc, false, HW_DESC_OWN); - if (own) { - /*wait data to be filled by hardware */ - return; - } else { - struct ieee80211_hdr *hdr; - __le16 fc; - struct sk_buff *new_skb = NULL; - - rtlpriv->cfg->ops->query_rx_desc(hw, &stats, - &rx_status, - (u8 *) pdesc, skb); - - new_skb = dev_alloc_skb(rtlpci->rxbuffersize); - if (unlikely(!new_skb)) { - RT_TRACE(rtlpriv, (COMP_INTR | COMP_RECV), - DBG_DMESG, - ("can't alloc skb for rx\n")); - goto done; - } + /*wait data to be filled by hardware */ + if (own) + break; - pci_unmap_single(rtlpci->pdev, - *((dma_addr_t *) skb->cb), - rtlpci->rxbuffersize, - PCI_DMA_FROMDEVICE); + rtlpriv->cfg->ops->query_rx_desc(hw, &stats, + &rx_status, + (u8 *) pdesc, skb); - skb_put(skb, rtlpriv->cfg->ops->get_desc((u8 *) pdesc, - false, - HW_DESC_RXPKT_LEN)); - skb_reserve(skb, - stats.rx_drvinfo_size + stats.rx_bufshift); + if (stats.crc || stats.hwerror) + goto done; - /* - *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); - */ + new_skb = dev_alloc_skb(rtlpci->rxbuffersize); + if (unlikely(!new_skb)) { + RT_TRACE(rtlpriv, (COMP_INTR | COMP_RECV), + DBG_DMESG, + ("can't alloc skb for rx\n")); + goto done; + } - hdr = rtl_get_hdr(skb); - fc = rtl_get_fc(skb); - - if (!stats.crc && !stats.hwerror) { - 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; - } - - rtl_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++; - } - - /* for sw lps */ - rtl_swlps_beacon(hw, (void *)skb->data, - skb->len); - rtl_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 { - if (unlikely(!rtl_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); - 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 { - dev_kfree_skb_any(skb); - } + pci_unmap_single(rtlpci->pdev, + *((dma_addr_t *) skb->cb), + rtlpci->rxbuffersize, + PCI_DMA_FROMDEVICE); - if (((rtlpriv->link_info.num_rx_inperiod + - rtlpriv->link_info.num_tx_inperiod) > 8) || - (rtlpriv->link_info.num_rx_inperiod > 2)) { - rtl_lps_leave(hw); - } + skb_put(skb, rtlpriv->cfg->ops->get_desc((u8 *) pdesc, false, + HW_DESC_RXPKT_LEN)); + skb_reserve(skb, stats.rx_drvinfo_size + stats.rx_bufshift); + + /* + * 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); + */ - skb = new_skb; + _rtl_receive_one(hw, skb, rx_status); - rtlpci->rx_ring[rx_queue_idx].rx_buf[rtlpci-> - rx_ring - [rx_queue_idx]. - idx] = skb; - *((dma_addr_t *) skb->cb) = + if (((rtlpriv->link_info.num_rx_inperiod + + rtlpriv->link_info.num_tx_inperiod) > 8) || + (rtlpriv->link_info.num_rx_inperiod > 2)) { + tasklet_schedule(&rtlpriv->works.ips_leave_tasklet); + } + + dev_kfree_skb_any(skb); + skb = new_skb; + + rtlpci->rx_ring[rx_queue_idx].rx_buf[index] = skb; + *((dma_addr_t *) skb->cb) = pci_map_single(rtlpci->pdev, skb_tail_pointer(skb), rtlpci->rxbuffersize, PCI_DMA_FROMDEVICE); - } done: bufferaddress = (*((dma_addr_t *)skb->cb)); tmp_one = 1; rtlpriv->cfg->ops->set_desc((u8 *) pdesc, false, HW_DESC_RXBUFF_ADDR, (u8 *)&bufferaddress); - rtlpriv->cfg->ops->set_desc((u8 *)pdesc, false, HW_DESC_RXOWN, - (u8 *)&tmp_one); rtlpriv->cfg->ops->set_desc((u8 *)pdesc, false, HW_DESC_RXPKT_LEN, (u8 *)&rtlpci->rxbuffersize); - if (rtlpci->rx_ring[rx_queue_idx].idx == - rtlpci->rxringcount - 1) + if (index == rtlpci->rxringcount - 1) rtlpriv->cfg->ops->set_desc((u8 *)pdesc, false, HW_DESC_RXERO, (u8 *)&tmp_one); - rtlpci->rx_ring[rx_queue_idx].idx = - (rtlpci->rx_ring[rx_queue_idx].idx + 1) % - rtlpci->rxringcount; + rtlpriv->cfg->ops->set_desc((u8 *)pdesc, false, HW_DESC_RXOWN, + (u8 *)&tmp_one); + + index = (index + 1) % rtlpci->rxringcount; } + rtlpci->rx_ring[rx_queue_idx].idx = index; } 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); /*read ISR: 4/8bytes */ @@ -938,6 +907,11 @@ static void _rtl_pci_irq_tasklet(struct ieee80211_hw *hw) _rtl_pci_tx_chk_waitq(hw); } +static void _rtl_pci_ips_leave_tasklet(struct ieee80211_hw *hw) +{ + rtl_lps_leave(hw); +} + static void _rtl_pci_prepare_bcn_tasklet(struct ieee80211_hw *hw) { struct rtl_priv *rtlpriv = rtl_priv(hw); @@ -1041,6 +1015,9 @@ static void _rtl_pci_init_struct(struct ieee80211_hw *hw, tasklet_init(&rtlpriv->works.irq_prepare_bcn_tasklet, (void (*)(unsigned long))_rtl_pci_prepare_bcn_tasklet, (unsigned long)hw); + tasklet_init(&rtlpriv->works.ips_leave_tasklet, + (void (*)(unsigned long))_rtl_pci_ips_leave_tasklet, + (unsigned long)hw); } static int _rtl_pci_init_tx_ring(struct ieee80211_hw *hw, @@ -1514,6 +1491,7 @@ static void rtl_pci_deinit(struct ieee80211_hw *hw) synchronize_irq(rtlpci->pdev->irq); tasklet_kill(&rtlpriv->works.irq_tasklet); + tasklet_kill(&rtlpriv->works.ips_leave_tasklet); flush_workqueue(rtlpriv->works.rtl_wq); destroy_workqueue(rtlpriv->works.rtl_wq); @@ -1561,7 +1539,7 @@ static int rtl_pci_start(struct ieee80211_hw *hw) rtl_init_rx_config(hw); - /*should after adapter start and interrupt enable. */ + /*should be after adapter start and interrupt enable. */ set_hal_start(rtlhal); RT_CLEAR_PS_LEVEL(ppsc, RT_RF_OFF_LEVL_HALT_NIC); @@ -1582,12 +1560,14 @@ static void rtl_pci_stop(struct ieee80211_hw *hw) u8 RFInProgressTimeOut = 0; /* - *should before disable interrrupt&adapter + *should be before disable interrupt&adapter *and will do it immediately. */ set_hal_stop(rtlhal); + rtlpci->driver_is_goingto_unload = true; rtlpriv->cfg->ops->disable_interrupt(hw); + tasklet_kill(&rtlpriv->works.ips_leave_tasklet); spin_lock_irqsave(&rtlpriv->locks.rf_ps_lock, flags); while (ppsc->rfchange_inprogress) { @@ -1603,7 +1583,6 @@ static void rtl_pci_stop(struct ieee80211_hw *hw) ppsc->rfchange_inprogress = true; spin_unlock_irqrestore(&rtlpriv->locks.rf_ps_lock, flags); - rtlpci->driver_is_goingto_unload = true; rtlpriv->cfg->ops->hw_disable(hw); rtlpriv->cfg->ops->led_control(hw, LED_CTL_POWER_OFF); @@ -1740,10 +1719,6 @@ static bool _rtl_pci_find_adapter(struct pci_dev *pdev, 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 = @@ -2033,36 +2008,25 @@ call rtl_mac_stop() from the mac80211 suspend function first, So there is no need to call hw_disable here. ****************************************/ -int rtl_pci_suspend(struct pci_dev *pdev, pm_message_t state) +int 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); rtl_deinit_rfkill(hw); - pci_save_state(pdev); - pci_disable_device(pdev); - pci_set_power_state(pdev, PCI_D3hot); return 0; } EXPORT_SYMBOL(rtl_pci_suspend); -int rtl_pci_resume(struct pci_dev *pdev) +int rtl_pci_resume(struct device *dev) { - int ret; + struct pci_dev *pdev = to_pci_dev(dev); struct ieee80211_hw *hw = pci_get_drvdata(pdev); struct rtl_priv *rtlpriv = rtl_priv(hw); - pci_set_power_state(pdev, PCI_D0); - ret = pci_enable_device(pdev); - if (ret) { - RT_ASSERT(false, ("ERR: <======\n")); - return ret; - } - - pci_restore_state(pdev); - rtlpriv->cfg->ops->hw_resume(hw); rtl_init_rfkill(hw); return 0; -- cgit v1.1