| /****************************************************************************** |
| * |
| * This file is provided under a dual BSD/GPLv2 license. When using or |
| * redistributing this file, you may do so under either license. |
| * |
| * GPL LICENSE SUMMARY |
| * |
| * Copyright(c) 2007 - 2011 Intel Corporation. All rights reserved. |
| * |
| * 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. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with this program; if not, write to the Free Software |
| * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110, |
| * USA |
| * |
| * The full GNU General Public License is included in this distribution |
| * in the file called LICENSE.GPL. |
| * |
| * Contact Information: |
| * Intel Linux Wireless <ilw@linux.intel.com> |
| * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 |
| * |
| * BSD LICENSE |
| * |
| * Copyright(c) 2005 - 2011 Intel Corporation. All rights reserved. |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * |
| * * Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * * Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in |
| * the documentation and/or other materials provided with the |
| * distribution. |
| * * Neither the name Intel Corporation nor the names of its |
| * contributors may be used to endorse or promote products derived |
| * from this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| * |
| *****************************************************************************/ |
| #include <linux/module.h> |
| #include <linux/pci.h> |
| #include <linux/pci-aspm.h> |
| |
| #include "iwl-bus.h" |
| #include "iwl-io.h" |
| #include "iwl-shared.h" |
| #include "iwl-trans.h" |
| #include "iwl-csr.h" |
| #include "iwl-cfg.h" |
| |
| /* PCI registers */ |
| #define PCI_CFG_RETRY_TIMEOUT 0x041 |
| #define PCI_CFG_LINK_CTRL_VAL_L0S_EN 0x01 |
| #define PCI_CFG_LINK_CTRL_VAL_L1_EN 0x02 |
| |
| struct iwl_pci_bus { |
| /* basic pci-network driver stuff */ |
| struct pci_dev *pci_dev; |
| |
| /* pci hardware address support */ |
| void __iomem *hw_base; |
| }; |
| |
| #define IWL_BUS_GET_PCI_BUS(_iwl_bus) \ |
| ((struct iwl_pci_bus *) ((_iwl_bus)->bus_specific)) |
| |
| #define IWL_BUS_GET_PCI_DEV(_iwl_bus) \ |
| ((IWL_BUS_GET_PCI_BUS(_iwl_bus))->pci_dev) |
| |
| static u16 iwl_pciexp_link_ctrl(struct iwl_bus *bus) |
| { |
| int pos; |
| u16 pci_lnk_ctl; |
| |
| struct pci_dev *pci_dev = IWL_BUS_GET_PCI_DEV(bus); |
| |
| pos = pci_pcie_cap(pci_dev); |
| pci_read_config_word(pci_dev, pos + PCI_EXP_LNKCTL, &pci_lnk_ctl); |
| return pci_lnk_ctl; |
| } |
| |
| static bool iwl_pci_is_pm_supported(struct iwl_bus *bus) |
| { |
| u16 lctl = iwl_pciexp_link_ctrl(bus); |
| |
| return !(lctl & PCI_CFG_LINK_CTRL_VAL_L0S_EN); |
| } |
| |
| static void iwl_pci_apm_config(struct iwl_bus *bus) |
| { |
| /* |
| * HW bug W/A for instability in PCIe bus L0S->L1 transition. |
| * Check if BIOS (or OS) enabled L1-ASPM on this device. |
| * If so (likely), disable L0S, so device moves directly L0->L1; |
| * costs negligible amount of power savings. |
| * If not (unlikely), enable L0S, so there is at least some |
| * power savings, even without L1. |
| */ |
| u16 lctl = iwl_pciexp_link_ctrl(bus); |
| |
| if ((lctl & PCI_CFG_LINK_CTRL_VAL_L1_EN) == |
| PCI_CFG_LINK_CTRL_VAL_L1_EN) { |
| /* L1-ASPM enabled; disable(!) L0S */ |
| iwl_set_bit(bus, CSR_GIO_REG, |
| CSR_GIO_REG_VAL_L0S_ENABLED); |
| dev_printk(KERN_INFO, bus->dev, "L1 Enabled; Disabling L0S\n"); |
| } else { |
| /* L1-ASPM disabled; enable(!) L0S */ |
| iwl_clear_bit(bus, CSR_GIO_REG, |
| CSR_GIO_REG_VAL_L0S_ENABLED); |
| dev_printk(KERN_INFO, bus->dev, "L1 Disabled; Enabling L0S\n"); |
| } |
| } |
| |
| static void iwl_pci_get_hw_id(struct iwl_bus *bus, char buf[], |
| int buf_len) |
| { |
| struct pci_dev *pci_dev = IWL_BUS_GET_PCI_DEV(bus); |
| |
| snprintf(buf, buf_len, "PCI ID: 0x%04X:0x%04X", pci_dev->device, |
| pci_dev->subsystem_device); |
| } |
| |
| static void iwl_pci_write8(struct iwl_bus *bus, u32 ofs, u8 val) |
| { |
| iowrite8(val, IWL_BUS_GET_PCI_BUS(bus)->hw_base + ofs); |
| } |
| |
| static void iwl_pci_write32(struct iwl_bus *bus, u32 ofs, u32 val) |
| { |
| iowrite32(val, IWL_BUS_GET_PCI_BUS(bus)->hw_base + ofs); |
| } |
| |
| static u32 iwl_pci_read32(struct iwl_bus *bus, u32 ofs) |
| { |
| u32 val = ioread32(IWL_BUS_GET_PCI_BUS(bus)->hw_base + ofs); |
| return val; |
| } |
| |
| static const struct iwl_bus_ops bus_ops_pci = { |
| .get_pm_support = iwl_pci_is_pm_supported, |
| .apm_config = iwl_pci_apm_config, |
| .get_hw_id = iwl_pci_get_hw_id, |
| .write8 = iwl_pci_write8, |
| .write32 = iwl_pci_write32, |
| .read32 = iwl_pci_read32, |
| }; |
| |
| #define IWL_PCI_DEVICE(dev, subdev, cfg) \ |
| .vendor = PCI_VENDOR_ID_INTEL, .device = (dev), \ |
| .subvendor = PCI_ANY_ID, .subdevice = (subdev), \ |
| .driver_data = (kernel_ulong_t)&(cfg) |
| |
| /* Hardware specific file defines the PCI IDs table for that hardware module */ |
| static DEFINE_PCI_DEVICE_TABLE(iwl_hw_card_ids) = { |
| {IWL_PCI_DEVICE(0x4232, 0x1201, iwl5100_agn_cfg)}, /* Mini Card */ |
| {IWL_PCI_DEVICE(0x4232, 0x1301, iwl5100_agn_cfg)}, /* Half Mini Card */ |
| {IWL_PCI_DEVICE(0x4232, 0x1204, iwl5100_agn_cfg)}, /* Mini Card */ |
| {IWL_PCI_DEVICE(0x4232, 0x1304, iwl5100_agn_cfg)}, /* Half Mini Card */ |
| {IWL_PCI_DEVICE(0x4232, 0x1205, iwl5100_bgn_cfg)}, /* Mini Card */ |
| {IWL_PCI_DEVICE(0x4232, 0x1305, iwl5100_bgn_cfg)}, /* Half Mini Card */ |
| {IWL_PCI_DEVICE(0x4232, 0x1206, iwl5100_abg_cfg)}, /* Mini Card */ |
| {IWL_PCI_DEVICE(0x4232, 0x1306, iwl5100_abg_cfg)}, /* Half Mini Card */ |
| {IWL_PCI_DEVICE(0x4232, 0x1221, iwl5100_agn_cfg)}, /* Mini Card */ |
| {IWL_PCI_DEVICE(0x4232, 0x1321, iwl5100_agn_cfg)}, /* Half Mini Card */ |
| {IWL_PCI_DEVICE(0x4232, 0x1224, iwl5100_agn_cfg)}, /* Mini Card */ |
| {IWL_PCI_DEVICE(0x4232, 0x1324, iwl5100_agn_cfg)}, /* Half Mini Card */ |
| {IWL_PCI_DEVICE(0x4232, 0x1225, iwl5100_bgn_cfg)}, /* Mini Card */ |
| {IWL_PCI_DEVICE(0x4232, 0x1325, iwl5100_bgn_cfg)}, /* Half Mini Card */ |
| {IWL_PCI_DEVICE(0x4232, 0x1226, iwl5100_abg_cfg)}, /* Mini Card */ |
| {IWL_PCI_DEVICE(0x4232, 0x1326, iwl5100_abg_cfg)}, /* Half Mini Card */ |
| {IWL_PCI_DEVICE(0x4237, 0x1211, iwl5100_agn_cfg)}, /* Mini Card */ |
| {IWL_PCI_DEVICE(0x4237, 0x1311, iwl5100_agn_cfg)}, /* Half Mini Card */ |
| {IWL_PCI_DEVICE(0x4237, 0x1214, iwl5100_agn_cfg)}, /* Mini Card */ |
| {IWL_PCI_DEVICE(0x4237, 0x1314, iwl5100_agn_cfg)}, /* Half Mini Card */ |
| {IWL_PCI_DEVICE(0x4237, 0x1215, iwl5100_bgn_cfg)}, /* Mini Card */ |
| {IWL_PCI_DEVICE(0x4237, 0x1315, iwl5100_bgn_cfg)}, /* Half Mini Card */ |
| {IWL_PCI_DEVICE(0x4237, 0x1216, iwl5100_abg_cfg)}, /* Mini Card */ |
| {IWL_PCI_DEVICE(0x4237, 0x1316, iwl5100_abg_cfg)}, /* Half Mini Card */ |
| |
| /* 5300 Series WiFi */ |
| {IWL_PCI_DEVICE(0x4235, 0x1021, iwl5300_agn_cfg)}, /* Mini Card */ |
| {IWL_PCI_DEVICE(0x4235, 0x1121, iwl5300_agn_cfg)}, /* Half Mini Card */ |
| {IWL_PCI_DEVICE(0x4235, 0x1024, iwl5300_agn_cfg)}, /* Mini Card */ |
| {IWL_PCI_DEVICE(0x4235, 0x1124, iwl5300_agn_cfg)}, /* Half Mini Card */ |
| {IWL_PCI_DEVICE(0x4235, 0x1001, iwl5300_agn_cfg)}, /* Mini Card */ |
| {IWL_PCI_DEVICE(0x4235, 0x1101, iwl5300_agn_cfg)}, /* Half Mini Card */ |
| {IWL_PCI_DEVICE(0x4235, 0x1004, iwl5300_agn_cfg)}, /* Mini Card */ |
| {IWL_PCI_DEVICE(0x4235, 0x1104, iwl5300_agn_cfg)}, /* Half Mini Card */ |
| {IWL_PCI_DEVICE(0x4236, 0x1011, iwl5300_agn_cfg)}, /* Mini Card */ |
| {IWL_PCI_DEVICE(0x4236, 0x1111, iwl5300_agn_cfg)}, /* Half Mini Card */ |
| {IWL_PCI_DEVICE(0x4236, 0x1014, iwl5300_agn_cfg)}, /* Mini Card */ |
| {IWL_PCI_DEVICE(0x4236, 0x1114, iwl5300_agn_cfg)}, /* Half Mini Card */ |
| |
| /* 5350 Series WiFi/WiMax */ |
| {IWL_PCI_DEVICE(0x423A, 0x1001, iwl5350_agn_cfg)}, /* Mini Card */ |
| {IWL_PCI_DEVICE(0x423A, 0x1021, iwl5350_agn_cfg)}, /* Mini Card */ |
| {IWL_PCI_DEVICE(0x423B, 0x1011, iwl5350_agn_cfg)}, /* Mini Card */ |
| |
| /* 5150 Series Wifi/WiMax */ |
| {IWL_PCI_DEVICE(0x423C, 0x1201, iwl5150_agn_cfg)}, /* Mini Card */ |
| {IWL_PCI_DEVICE(0x423C, 0x1301, iwl5150_agn_cfg)}, /* Half Mini Card */ |
| {IWL_PCI_DEVICE(0x423C, 0x1206, iwl5150_abg_cfg)}, /* Mini Card */ |
| {IWL_PCI_DEVICE(0x423C, 0x1306, iwl5150_abg_cfg)}, /* Half Mini Card */ |
| {IWL_PCI_DEVICE(0x423C, 0x1221, iwl5150_agn_cfg)}, /* Mini Card */ |
| {IWL_PCI_DEVICE(0x423C, 0x1321, iwl5150_agn_cfg)}, /* Half Mini Card */ |
| |
| {IWL_PCI_DEVICE(0x423D, 0x1211, iwl5150_agn_cfg)}, /* Mini Card */ |
| {IWL_PCI_DEVICE(0x423D, 0x1311, iwl5150_agn_cfg)}, /* Half Mini Card */ |
| {IWL_PCI_DEVICE(0x423D, 0x1216, iwl5150_abg_cfg)}, /* Mini Card */ |
| {IWL_PCI_DEVICE(0x423D, 0x1316, iwl5150_abg_cfg)}, /* Half Mini Card */ |
| |
| /* 6x00 Series */ |
| {IWL_PCI_DEVICE(0x422B, 0x1101, iwl6000_3agn_cfg)}, |
| {IWL_PCI_DEVICE(0x422B, 0x1121, iwl6000_3agn_cfg)}, |
| {IWL_PCI_DEVICE(0x422C, 0x1301, iwl6000i_2agn_cfg)}, |
| {IWL_PCI_DEVICE(0x422C, 0x1306, iwl6000i_2abg_cfg)}, |
| {IWL_PCI_DEVICE(0x422C, 0x1307, iwl6000i_2bg_cfg)}, |
| {IWL_PCI_DEVICE(0x422C, 0x1321, iwl6000i_2agn_cfg)}, |
| {IWL_PCI_DEVICE(0x422C, 0x1326, iwl6000i_2abg_cfg)}, |
| {IWL_PCI_DEVICE(0x4238, 0x1111, iwl6000_3agn_cfg)}, |
| {IWL_PCI_DEVICE(0x4239, 0x1311, iwl6000i_2agn_cfg)}, |
| {IWL_PCI_DEVICE(0x4239, 0x1316, iwl6000i_2abg_cfg)}, |
| |
| /* 6x05 Series */ |
| {IWL_PCI_DEVICE(0x0082, 0x1301, iwl6005_2agn_cfg)}, |
| {IWL_PCI_DEVICE(0x0082, 0x1306, iwl6005_2abg_cfg)}, |
| {IWL_PCI_DEVICE(0x0082, 0x1307, iwl6005_2bg_cfg)}, |
| {IWL_PCI_DEVICE(0x0082, 0x1321, iwl6005_2agn_cfg)}, |
| {IWL_PCI_DEVICE(0x0082, 0x1326, iwl6005_2abg_cfg)}, |
| {IWL_PCI_DEVICE(0x0085, 0x1311, iwl6005_2agn_cfg)}, |
| {IWL_PCI_DEVICE(0x0085, 0x1316, iwl6005_2abg_cfg)}, |
| {IWL_PCI_DEVICE(0x0082, 0xC020, iwl6005_2agn_sff_cfg)}, |
| {IWL_PCI_DEVICE(0x0085, 0xC220, iwl6005_2agn_sff_cfg)}, |
| {IWL_PCI_DEVICE(0x0082, 0x1341, iwl6005_2agn_d_cfg)}, |
| |
| /* 6x30 Series */ |
| {IWL_PCI_DEVICE(0x008A, 0x5305, iwl1030_bgn_cfg)}, |
| {IWL_PCI_DEVICE(0x008A, 0x5307, iwl1030_bg_cfg)}, |
| {IWL_PCI_DEVICE(0x008A, 0x5325, iwl1030_bgn_cfg)}, |
| {IWL_PCI_DEVICE(0x008A, 0x5327, iwl1030_bg_cfg)}, |
| {IWL_PCI_DEVICE(0x008B, 0x5315, iwl1030_bgn_cfg)}, |
| {IWL_PCI_DEVICE(0x008B, 0x5317, iwl1030_bg_cfg)}, |
| {IWL_PCI_DEVICE(0x0090, 0x5211, iwl6030_2agn_cfg)}, |
| {IWL_PCI_DEVICE(0x0090, 0x5215, iwl6030_2bgn_cfg)}, |
| {IWL_PCI_DEVICE(0x0090, 0x5216, iwl6030_2abg_cfg)}, |
| {IWL_PCI_DEVICE(0x0091, 0x5201, iwl6030_2agn_cfg)}, |
| {IWL_PCI_DEVICE(0x0091, 0x5205, iwl6030_2bgn_cfg)}, |
| {IWL_PCI_DEVICE(0x0091, 0x5206, iwl6030_2abg_cfg)}, |
| {IWL_PCI_DEVICE(0x0091, 0x5207, iwl6030_2bg_cfg)}, |
| {IWL_PCI_DEVICE(0x0091, 0x5221, iwl6030_2agn_cfg)}, |
| {IWL_PCI_DEVICE(0x0091, 0x5225, iwl6030_2bgn_cfg)}, |
| {IWL_PCI_DEVICE(0x0091, 0x5226, iwl6030_2abg_cfg)}, |
| |
| /* 6x50 WiFi/WiMax Series */ |
| {IWL_PCI_DEVICE(0x0087, 0x1301, iwl6050_2agn_cfg)}, |
| {IWL_PCI_DEVICE(0x0087, 0x1306, iwl6050_2abg_cfg)}, |
| {IWL_PCI_DEVICE(0x0087, 0x1321, iwl6050_2agn_cfg)}, |
| {IWL_PCI_DEVICE(0x0087, 0x1326, iwl6050_2abg_cfg)}, |
| {IWL_PCI_DEVICE(0x0089, 0x1311, iwl6050_2agn_cfg)}, |
| {IWL_PCI_DEVICE(0x0089, 0x1316, iwl6050_2abg_cfg)}, |
| |
| /* 6150 WiFi/WiMax Series */ |
| {IWL_PCI_DEVICE(0x0885, 0x1305, iwl6150_bgn_cfg)}, |
| {IWL_PCI_DEVICE(0x0885, 0x1307, iwl6150_bg_cfg)}, |
| {IWL_PCI_DEVICE(0x0885, 0x1325, iwl6150_bgn_cfg)}, |
| {IWL_PCI_DEVICE(0x0885, 0x1327, iwl6150_bg_cfg)}, |
| {IWL_PCI_DEVICE(0x0886, 0x1315, iwl6150_bgn_cfg)}, |
| {IWL_PCI_DEVICE(0x0886, 0x1317, iwl6150_bg_cfg)}, |
| |
| /* 1000 Series WiFi */ |
| {IWL_PCI_DEVICE(0x0083, 0x1205, iwl1000_bgn_cfg)}, |
| {IWL_PCI_DEVICE(0x0083, 0x1305, iwl1000_bgn_cfg)}, |
| {IWL_PCI_DEVICE(0x0083, 0x1225, iwl1000_bgn_cfg)}, |
| {IWL_PCI_DEVICE(0x0083, 0x1325, iwl1000_bgn_cfg)}, |
| {IWL_PCI_DEVICE(0x0084, 0x1215, iwl1000_bgn_cfg)}, |
| {IWL_PCI_DEVICE(0x0084, 0x1315, iwl1000_bgn_cfg)}, |
| {IWL_PCI_DEVICE(0x0083, 0x1206, iwl1000_bg_cfg)}, |
| {IWL_PCI_DEVICE(0x0083, 0x1306, iwl1000_bg_cfg)}, |
| {IWL_PCI_DEVICE(0x0083, 0x1226, iwl1000_bg_cfg)}, |
| {IWL_PCI_DEVICE(0x0083, 0x1326, iwl1000_bg_cfg)}, |
| {IWL_PCI_DEVICE(0x0084, 0x1216, iwl1000_bg_cfg)}, |
| {IWL_PCI_DEVICE(0x0084, 0x1316, iwl1000_bg_cfg)}, |
| |
| /* 100 Series WiFi */ |
| {IWL_PCI_DEVICE(0x08AE, 0x1005, iwl100_bgn_cfg)}, |
| {IWL_PCI_DEVICE(0x08AE, 0x1007, iwl100_bg_cfg)}, |
| {IWL_PCI_DEVICE(0x08AF, 0x1015, iwl100_bgn_cfg)}, |
| {IWL_PCI_DEVICE(0x08AF, 0x1017, iwl100_bg_cfg)}, |
| {IWL_PCI_DEVICE(0x08AE, 0x1025, iwl100_bgn_cfg)}, |
| {IWL_PCI_DEVICE(0x08AE, 0x1027, iwl100_bg_cfg)}, |
| |
| /* 130 Series WiFi */ |
| {IWL_PCI_DEVICE(0x0896, 0x5005, iwl130_bgn_cfg)}, |
| {IWL_PCI_DEVICE(0x0896, 0x5007, iwl130_bg_cfg)}, |
| {IWL_PCI_DEVICE(0x0897, 0x5015, iwl130_bgn_cfg)}, |
| {IWL_PCI_DEVICE(0x0897, 0x5017, iwl130_bg_cfg)}, |
| {IWL_PCI_DEVICE(0x0896, 0x5025, iwl130_bgn_cfg)}, |
| {IWL_PCI_DEVICE(0x0896, 0x5027, iwl130_bg_cfg)}, |
| |
| /* 2x00 Series */ |
| {IWL_PCI_DEVICE(0x0890, 0x4022, iwl2000_2bgn_cfg)}, |
| {IWL_PCI_DEVICE(0x0891, 0x4222, iwl2000_2bgn_cfg)}, |
| {IWL_PCI_DEVICE(0x0890, 0x4422, iwl2000_2bgn_cfg)}, |
| {IWL_PCI_DEVICE(0x0890, 0x4026, iwl2000_2bg_cfg)}, |
| {IWL_PCI_DEVICE(0x0891, 0x4226, iwl2000_2bg_cfg)}, |
| {IWL_PCI_DEVICE(0x0890, 0x4426, iwl2000_2bg_cfg)}, |
| {IWL_PCI_DEVICE(0x0890, 0x4822, iwl2000_2bgn_d_cfg)}, |
| |
| /* 2x30 Series */ |
| {IWL_PCI_DEVICE(0x0887, 0x4062, iwl2030_2bgn_cfg)}, |
| {IWL_PCI_DEVICE(0x0888, 0x4262, iwl2030_2bgn_cfg)}, |
| {IWL_PCI_DEVICE(0x0887, 0x4462, iwl2030_2bgn_cfg)}, |
| {IWL_PCI_DEVICE(0x0887, 0x4066, iwl2030_2bg_cfg)}, |
| {IWL_PCI_DEVICE(0x0888, 0x4266, iwl2030_2bg_cfg)}, |
| {IWL_PCI_DEVICE(0x0887, 0x4466, iwl2030_2bg_cfg)}, |
| |
| /* 6x35 Series */ |
| {IWL_PCI_DEVICE(0x088E, 0x4060, iwl6035_2agn_cfg)}, |
| {IWL_PCI_DEVICE(0x088F, 0x4260, iwl6035_2agn_cfg)}, |
| {IWL_PCI_DEVICE(0x088E, 0x4460, iwl6035_2agn_cfg)}, |
| {IWL_PCI_DEVICE(0x088E, 0x4064, iwl6035_2abg_cfg)}, |
| {IWL_PCI_DEVICE(0x088F, 0x4264, iwl6035_2abg_cfg)}, |
| {IWL_PCI_DEVICE(0x088E, 0x4464, iwl6035_2abg_cfg)}, |
| {IWL_PCI_DEVICE(0x088E, 0x4066, iwl6035_2bg_cfg)}, |
| {IWL_PCI_DEVICE(0x088F, 0x4266, iwl6035_2bg_cfg)}, |
| {IWL_PCI_DEVICE(0x088E, 0x4466, iwl6035_2bg_cfg)}, |
| |
| /* 105 Series */ |
| {IWL_PCI_DEVICE(0x0894, 0x0022, iwl105_bgn_cfg)}, |
| {IWL_PCI_DEVICE(0x0895, 0x0222, iwl105_bgn_cfg)}, |
| {IWL_PCI_DEVICE(0x0894, 0x0422, iwl105_bgn_cfg)}, |
| {IWL_PCI_DEVICE(0x0894, 0x0026, iwl105_bg_cfg)}, |
| {IWL_PCI_DEVICE(0x0895, 0x0226, iwl105_bg_cfg)}, |
| {IWL_PCI_DEVICE(0x0894, 0x0426, iwl105_bg_cfg)}, |
| {IWL_PCI_DEVICE(0x0894, 0x0822, iwl105_bgn_d_cfg)}, |
| |
| /* 135 Series */ |
| {IWL_PCI_DEVICE(0x0892, 0x0062, iwl135_bgn_cfg)}, |
| {IWL_PCI_DEVICE(0x0893, 0x0262, iwl135_bgn_cfg)}, |
| {IWL_PCI_DEVICE(0x0892, 0x0462, iwl135_bgn_cfg)}, |
| {IWL_PCI_DEVICE(0x0892, 0x0066, iwl135_bg_cfg)}, |
| {IWL_PCI_DEVICE(0x0893, 0x0266, iwl135_bg_cfg)}, |
| {IWL_PCI_DEVICE(0x0892, 0x0466, iwl135_bg_cfg)}, |
| |
| {0} |
| }; |
| MODULE_DEVICE_TABLE(pci, iwl_hw_card_ids); |
| |
| static int iwl_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent) |
| { |
| struct iwl_cfg *cfg = (struct iwl_cfg *)(ent->driver_data); |
| struct iwl_bus *bus; |
| struct iwl_pci_bus *pci_bus; |
| u16 pci_cmd; |
| int err; |
| |
| bus = kzalloc(sizeof(*bus) + sizeof(*pci_bus), GFP_KERNEL); |
| if (!bus) { |
| dev_printk(KERN_ERR, &pdev->dev, |
| "Couldn't allocate iwl_pci_bus"); |
| err = -ENOMEM; |
| goto out_no_pci; |
| } |
| |
| pci_bus = IWL_BUS_GET_PCI_BUS(bus); |
| pci_bus->pci_dev = pdev; |
| |
| pci_set_drvdata(pdev, bus); |
| |
| /* W/A - seems to solve weird behavior. We need to remove this if we |
| * don't want to stay in L1 all the time. This wastes a lot of power */ |
| pci_disable_link_state(pdev, PCIE_LINK_STATE_L0S | PCIE_LINK_STATE_L1 | |
| PCIE_LINK_STATE_CLKPM); |
| |
| if (pci_enable_device(pdev)) { |
| err = -ENODEV; |
| goto out_no_pci; |
| } |
| |
| pci_set_master(pdev); |
| |
| err = pci_set_dma_mask(pdev, DMA_BIT_MASK(36)); |
| if (!err) |
| err = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(36)); |
| if (err) { |
| err = pci_set_dma_mask(pdev, DMA_BIT_MASK(32)); |
| if (!err) |
| err = pci_set_consistent_dma_mask(pdev, |
| DMA_BIT_MASK(32)); |
| /* both attempts failed: */ |
| if (err) { |
| dev_printk(KERN_ERR, bus->dev, |
| "No suitable DMA available.\n"); |
| goto out_pci_disable_device; |
| } |
| } |
| |
| err = pci_request_regions(pdev, DRV_NAME); |
| if (err) { |
| dev_printk(KERN_ERR, bus->dev, "pci_request_regions failed"); |
| goto out_pci_disable_device; |
| } |
| |
| pci_bus->hw_base = pci_iomap(pdev, 0, 0); |
| if (!pci_bus->hw_base) { |
| dev_printk(KERN_ERR, bus->dev, "pci_iomap failed"); |
| err = -ENODEV; |
| goto out_pci_release_regions; |
| } |
| |
| dev_printk(KERN_INFO, &pdev->dev, |
| "pci_resource_len = 0x%08llx\n", |
| (unsigned long long) pci_resource_len(pdev, 0)); |
| dev_printk(KERN_INFO, &pdev->dev, |
| "pci_resource_base = %p\n", pci_bus->hw_base); |
| |
| dev_printk(KERN_INFO, &pdev->dev, |
| "HW Revision ID = 0x%X\n", pdev->revision); |
| |
| /* We disable the RETRY_TIMEOUT register (0x41) to keep |
| * PCI Tx retries from interfering with C3 CPU state */ |
| pci_write_config_byte(pdev, PCI_CFG_RETRY_TIMEOUT, 0x00); |
| |
| err = pci_enable_msi(pdev); |
| if (err) { |
| dev_printk(KERN_ERR, &pdev->dev, "pci_enable_msi failed"); |
| goto out_iounmap; |
| } |
| |
| /* TODO: Move this away, not needed if not MSI */ |
| /* enable rfkill interrupt: hw bug w/a */ |
| pci_read_config_word(pdev, PCI_COMMAND, &pci_cmd); |
| if (pci_cmd & PCI_COMMAND_INTX_DISABLE) { |
| pci_cmd &= ~PCI_COMMAND_INTX_DISABLE; |
| pci_write_config_word(pdev, PCI_COMMAND, pci_cmd); |
| } |
| |
| bus->dev = &pdev->dev; |
| bus->irq = pdev->irq; |
| bus->ops = &bus_ops_pci; |
| |
| err = iwl_probe(bus, &trans_ops_pcie, cfg); |
| if (err) |
| goto out_disable_msi; |
| return 0; |
| |
| out_disable_msi: |
| pci_disable_msi(pdev); |
| out_iounmap: |
| pci_iounmap(pdev, pci_bus->hw_base); |
| out_pci_release_regions: |
| pci_set_drvdata(pdev, NULL); |
| pci_release_regions(pdev); |
| out_pci_disable_device: |
| pci_disable_device(pdev); |
| out_no_pci: |
| kfree(bus); |
| return err; |
| } |
| |
| static void __devexit iwl_pci_remove(struct pci_dev *pdev) |
| { |
| struct iwl_bus *bus = pci_get_drvdata(pdev); |
| struct iwl_pci_bus *pci_bus = IWL_BUS_GET_PCI_BUS(bus); |
| struct pci_dev *pci_dev = IWL_BUS_GET_PCI_DEV(bus); |
| struct iwl_shared *shrd = bus->shrd; |
| |
| iwl_remove(shrd->priv); |
| |
| pci_disable_msi(pci_dev); |
| pci_iounmap(pci_dev, pci_bus->hw_base); |
| pci_release_regions(pci_dev); |
| pci_disable_device(pci_dev); |
| pci_set_drvdata(pci_dev, NULL); |
| |
| kfree(bus); |
| } |
| |
| #ifdef CONFIG_PM_SLEEP |
| |
| static int iwl_pci_suspend(struct device *device) |
| { |
| struct pci_dev *pdev = to_pci_dev(device); |
| struct iwl_bus *bus = pci_get_drvdata(pdev); |
| struct iwl_shared *shrd = bus->shrd; |
| |
| /* Before you put code here, think about WoWLAN. You cannot check here |
| * whether WoWLAN is enabled or not, and your code will run even if |
| * WoWLAN is enabled - don't kill the NIC, someone may need it in Sx. |
| */ |
| |
| return iwl_trans_suspend(shrd->trans); |
| } |
| |
| static int iwl_pci_resume(struct device *device) |
| { |
| struct pci_dev *pdev = to_pci_dev(device); |
| struct iwl_bus *bus = pci_get_drvdata(pdev); |
| struct iwl_shared *shrd = bus->shrd; |
| |
| /* Before you put code here, think about WoWLAN. You cannot check here |
| * whether WoWLAN is enabled or not, and your code will run even if |
| * WoWLAN is enabled - the NIC may be alive. |
| */ |
| |
| /* |
| * We disable the RETRY_TIMEOUT register (0x41) to keep |
| * PCI Tx retries from interfering with C3 CPU state. |
| */ |
| pci_write_config_byte(pdev, PCI_CFG_RETRY_TIMEOUT, 0x00); |
| |
| return iwl_trans_resume(shrd->trans); |
| } |
| |
| static SIMPLE_DEV_PM_OPS(iwl_dev_pm_ops, iwl_pci_suspend, iwl_pci_resume); |
| |
| #define IWL_PM_OPS (&iwl_dev_pm_ops) |
| |
| #else |
| |
| #define IWL_PM_OPS NULL |
| |
| #endif |
| |
| static struct pci_driver iwl_pci_driver = { |
| .name = DRV_NAME, |
| .id_table = iwl_hw_card_ids, |
| .probe = iwl_pci_probe, |
| .remove = __devexit_p(iwl_pci_remove), |
| .driver.pm = IWL_PM_OPS, |
| }; |
| |
| int __must_check iwl_pci_register_driver(void) |
| { |
| int ret; |
| ret = pci_register_driver(&iwl_pci_driver); |
| if (ret) |
| pr_err("Unable to initialize PCI module\n"); |
| |
| return ret; |
| } |
| |
| void iwl_pci_unregister_driver(void) |
| { |
| pci_unregister_driver(&iwl_pci_driver); |
| } |