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iwlagn: introduce iwl-shared.h
[deliverable/linux.git] / drivers / net / wireless / iwlwifi / iwl-pci.c
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48d1a211
EG		 1/******************************************************************************
2 *
3 * This file is provided under a dual BSD/GPLv2 license. When using or
4 * redistributing this file, you may do so under either license.
5 *
6 * GPL LICENSE SUMMARY
7 *
8 * Copyright(c) 2007 - 2011 Intel Corporation. All rights reserved.
9 *
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of version 2 of the GNU General Public License as
12 * published by the Free Software Foundation.
13 *
14 * This program is distributed in the hope that it will be useful, but
15 * WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
17 * General Public License for more details.
18 *
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110,
22 * USA
23 *
24 * The full GNU General Public License is included in this distribution
25 * in the file called LICENSE.GPL.
26 *
27 * Contact Information:
28 * Intel Linux Wireless <ilw@linux.intel.com>
29 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
30 *
31 * BSD LICENSE
32 *
33 * Copyright(c) 2005 - 2011 Intel Corporation. All rights reserved.
34 * All rights reserved.
35 *
36 * Redistribution and use in source and binary forms, with or without
37 * modification, are permitted provided that the following conditions
38 * are met:
39 *
40 * * Redistributions of source code must retain the above copyright
41 * notice, this list of conditions and the following disclaimer.
42 * * Redistributions in binary form must reproduce the above copyright
43 * notice, this list of conditions and the following disclaimer in
44 * the documentation and/or other materials provided with the
45 * distribution.
46 * * Neither the name Intel Corporation nor the names of its
47 * contributors may be used to endorse or promote products derived
48 * from this software without specific prior written permission.
49 *
50 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
51 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
52 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
53 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
54 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
55 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
56 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
57 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
58 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
59 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
60 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
61 *
62 *****************************************************************************/
63#include <linux/pci.h>
64#include <linux/pci-aspm.h>
65
d5934110 66#include "iwl-bus.h"
48f20d35 67#include "iwl-shared.h"
48d1a211 68#include "iwl-agn.h"
48f20d35
EG		 69
70/* TODO: iwl_set_bit and friends should be implemented in bus layer
71 * this would allow us not to include iwl-io.h here */
d57fa99d
WYG		 72#include "iwl-io.h"
73
74/* PCI registers */
75#define PCI_CFG_RETRY_TIMEOUT 0x041
76#define PCI_CFG_LINK_CTRL_VAL_L0S_EN 0x01
77#define PCI_CFG_LINK_CTRL_VAL_L1_EN 0x02
48d1a211 78
a48709c5
EG		 79struct iwl_pci_bus {
80 /* basic pci-network driver stuff */
81 struct pci_dev *pci_dev;
82
83 /* pci hardware address support */
84 void __iomem *hw_base;
85};
86
87#define IWL_BUS_GET_PCI_BUS(_iwl_bus) \
88 ((struct iwl_pci_bus *) ((_iwl_bus)->bus_specific))
89
90#define IWL_BUS_GET_PCI_DEV(_iwl_bus) \
91 ((IWL_BUS_GET_PCI_BUS(_iwl_bus))->pci_dev)
92
d57fa99d
WYG		 93static u16 iwl_pciexp_link_ctrl(struct iwl_bus *bus)
94{
95 int pos;
96 u16 pci_lnk_ctl;
97 struct pci_dev *pci_dev = IWL_BUS_GET_PCI_DEV(bus);
98
68dd49ef 99 pos = pci_pcie_cap(pci_dev);
d57fa99d
WYG		 100 pci_read_config_word(pci_dev, pos + PCI_EXP_LNKCTL, &pci_lnk_ctl);
101 return pci_lnk_ctl;
102}
103
104static bool iwl_pci_is_pm_supported(struct iwl_bus *bus)
105{
106 u16 lctl = iwl_pciexp_link_ctrl(bus);
107
108 return !(lctl & PCI_CFG_LINK_CTRL_VAL_L0S_EN);
109}
110
111static void iwl_pci_apm_config(struct iwl_bus *bus)
112{
113 /*
114 * HW bug W/A for instability in PCIe bus L0S->L1 transition.
115 * Check if BIOS (or OS) enabled L1-ASPM on this device.
116 * If so (likely), disable L0S, so device moves directly L0->L1;
117 * costs negligible amount of power savings.
118 * If not (unlikely), enable L0S, so there is at least some
119 * power savings, even without L1.
120 */
121 u16 lctl = iwl_pciexp_link_ctrl(bus);
122
123 if ((lctl & PCI_CFG_LINK_CTRL_VAL_L1_EN) ==
124 PCI_CFG_LINK_CTRL_VAL_L1_EN) {
125 /* L1-ASPM enabled; disable(!) L0S */
c1c81401 126 iwl_set_bit(bus->drv_data, CSR_GIO_REG,
d57fa99d 127 CSR_GIO_REG_VAL_L0S_ENABLED);
c1c81401 128 dev_printk(KERN_INFO, bus->dev, "L1 Enabled; Disabling L0S\n");
d57fa99d
WYG		 129 } else {
130 /* L1-ASPM disabled; enable(!) L0S */
c1c81401 131 iwl_clear_bit(bus->drv_data, CSR_GIO_REG,
d57fa99d 132 CSR_GIO_REG_VAL_L0S_ENABLED);
c1c81401 133 dev_printk(KERN_INFO, bus->dev, "L1 Disabled; Enabling L0S\n");
d57fa99d
WYG		 134 }
135}
136
d5934110 137static void iwl_pci_set_drv_data(struct iwl_bus *bus, void *drv_data)
a48709c5 138{
c1c81401 139 bus->drv_data = drv_data;
cc1a93e6 140 pci_set_drvdata(IWL_BUS_GET_PCI_DEV(bus), drv_data);
08321c06
EG		 141}
142
19707bac
EG		 143static void iwl_pci_get_hw_id(struct iwl_bus *bus, char buf[],
144 int buf_len)
145{
146 struct pci_dev *pci_dev = IWL_BUS_GET_PCI_DEV(bus);
147
148 snprintf(buf, buf_len, "PCI ID: 0x%04X:0x%04X", pci_dev->device,
149 pci_dev->subsystem_device);
150}
151
084dd791
EG		 152static void iwl_pci_write8(struct iwl_bus *bus, u32 ofs, u8 val)
153{
154 iowrite8(val, IWL_BUS_GET_PCI_BUS(bus)->hw_base + ofs);
155}
156
157static void iwl_pci_write32(struct iwl_bus *bus, u32 ofs, u32 val)
158{
159 iowrite32(val, IWL_BUS_GET_PCI_BUS(bus)->hw_base + ofs);
160}
161
162static u32 iwl_pci_read32(struct iwl_bus *bus, u32 ofs)
163{
164 u32 val = ioread32(IWL_BUS_GET_PCI_BUS(bus)->hw_base + ofs);
165 return val;
166}
167
a48709c5 168static struct iwl_bus_ops pci_ops = {
d57fa99d
WYG		 169 .get_pm_support = iwl_pci_is_pm_supported,
170 .apm_config = iwl_pci_apm_config,
a48709c5 171 .set_drv_data = iwl_pci_set_drv_data,
19707bac 172 .get_hw_id = iwl_pci_get_hw_id,
084dd791
EG		 173 .write8 = iwl_pci_write8,
174 .write32 = iwl_pci_write32,
175 .read32 = iwl_pci_read32,
a48709c5
EG		 176};
177
48d1a211
EG		 178#define IWL_PCI_DEVICE(dev, subdev, cfg) \
179 .vendor = PCI_VENDOR_ID_INTEL, .device = (dev), \
180 .subvendor = PCI_ANY_ID, .subdevice = (subdev), \
181 .driver_data = (kernel_ulong_t)&(cfg)
182
183/* Hardware specific file defines the PCI IDs table for that hardware module */
184static DEFINE_PCI_DEVICE_TABLE(iwl_hw_card_ids) = {
185 {IWL_PCI_DEVICE(0x4232, 0x1201, iwl5100_agn_cfg)}, /* Mini Card */
186 {IWL_PCI_DEVICE(0x4232, 0x1301, iwl5100_agn_cfg)}, /* Half Mini Card */
187 {IWL_PCI_DEVICE(0x4232, 0x1204, iwl5100_agn_cfg)}, /* Mini Card */
188 {IWL_PCI_DEVICE(0x4232, 0x1304, iwl5100_agn_cfg)}, /* Half Mini Card */
189 {IWL_PCI_DEVICE(0x4232, 0x1205, iwl5100_bgn_cfg)}, /* Mini Card */
190 {IWL_PCI_DEVICE(0x4232, 0x1305, iwl5100_bgn_cfg)}, /* Half Mini Card */
191 {IWL_PCI_DEVICE(0x4232, 0x1206, iwl5100_abg_cfg)}, /* Mini Card */
192 {IWL_PCI_DEVICE(0x4232, 0x1306, iwl5100_abg_cfg)}, /* Half Mini Card */
193 {IWL_PCI_DEVICE(0x4232, 0x1221, iwl5100_agn_cfg)}, /* Mini Card */
194 {IWL_PCI_DEVICE(0x4232, 0x1321, iwl5100_agn_cfg)}, /* Half Mini Card */
195 {IWL_PCI_DEVICE(0x4232, 0x1224, iwl5100_agn_cfg)}, /* Mini Card */
196 {IWL_PCI_DEVICE(0x4232, 0x1324, iwl5100_agn_cfg)}, /* Half Mini Card */
197 {IWL_PCI_DEVICE(0x4232, 0x1225, iwl5100_bgn_cfg)}, /* Mini Card */
198 {IWL_PCI_DEVICE(0x4232, 0x1325, iwl5100_bgn_cfg)}, /* Half Mini Card */
199 {IWL_PCI_DEVICE(0x4232, 0x1226, iwl5100_abg_cfg)}, /* Mini Card */
200 {IWL_PCI_DEVICE(0x4232, 0x1326, iwl5100_abg_cfg)}, /* Half Mini Card */
201 {IWL_PCI_DEVICE(0x4237, 0x1211, iwl5100_agn_cfg)}, /* Mini Card */
202 {IWL_PCI_DEVICE(0x4237, 0x1311, iwl5100_agn_cfg)}, /* Half Mini Card */
203 {IWL_PCI_DEVICE(0x4237, 0x1214, iwl5100_agn_cfg)}, /* Mini Card */
204 {IWL_PCI_DEVICE(0x4237, 0x1314, iwl5100_agn_cfg)}, /* Half Mini Card */
205 {IWL_PCI_DEVICE(0x4237, 0x1215, iwl5100_bgn_cfg)}, /* Mini Card */
206 {IWL_PCI_DEVICE(0x4237, 0x1315, iwl5100_bgn_cfg)}, /* Half Mini Card */
207 {IWL_PCI_DEVICE(0x4237, 0x1216, iwl5100_abg_cfg)}, /* Mini Card */
208 {IWL_PCI_DEVICE(0x4237, 0x1316, iwl5100_abg_cfg)}, /* Half Mini Card */
209
210/* 5300 Series WiFi */
211 {IWL_PCI_DEVICE(0x4235, 0x1021, iwl5300_agn_cfg)}, /* Mini Card */
212 {IWL_PCI_DEVICE(0x4235, 0x1121, iwl5300_agn_cfg)}, /* Half Mini Card */
213 {IWL_PCI_DEVICE(0x4235, 0x1024, iwl5300_agn_cfg)}, /* Mini Card */
214 {IWL_PCI_DEVICE(0x4235, 0x1124, iwl5300_agn_cfg)}, /* Half Mini Card */
215 {IWL_PCI_DEVICE(0x4235, 0x1001, iwl5300_agn_cfg)}, /* Mini Card */
216 {IWL_PCI_DEVICE(0x4235, 0x1101, iwl5300_agn_cfg)}, /* Half Mini Card */
217 {IWL_PCI_DEVICE(0x4235, 0x1004, iwl5300_agn_cfg)}, /* Mini Card */
218 {IWL_PCI_DEVICE(0x4235, 0x1104, iwl5300_agn_cfg)}, /* Half Mini Card */
219 {IWL_PCI_DEVICE(0x4236, 0x1011, iwl5300_agn_cfg)}, /* Mini Card */
220 {IWL_PCI_DEVICE(0x4236, 0x1111, iwl5300_agn_cfg)}, /* Half Mini Card */
221 {IWL_PCI_DEVICE(0x4236, 0x1014, iwl5300_agn_cfg)}, /* Mini Card */
222 {IWL_PCI_DEVICE(0x4236, 0x1114, iwl5300_agn_cfg)}, /* Half Mini Card */
223
224/* 5350 Series WiFi/WiMax */
225 {IWL_PCI_DEVICE(0x423A, 0x1001, iwl5350_agn_cfg)}, /* Mini Card */
226 {IWL_PCI_DEVICE(0x423A, 0x1021, iwl5350_agn_cfg)}, /* Mini Card */
227 {IWL_PCI_DEVICE(0x423B, 0x1011, iwl5350_agn_cfg)}, /* Mini Card */
228
229/* 5150 Series Wifi/WiMax */
230 {IWL_PCI_DEVICE(0x423C, 0x1201, iwl5150_agn_cfg)}, /* Mini Card */
231 {IWL_PCI_DEVICE(0x423C, 0x1301, iwl5150_agn_cfg)}, /* Half Mini Card */
232 {IWL_PCI_DEVICE(0x423C, 0x1206, iwl5150_abg_cfg)}, /* Mini Card */
233 {IWL_PCI_DEVICE(0x423C, 0x1306, iwl5150_abg_cfg)}, /* Half Mini Card */
234 {IWL_PCI_DEVICE(0x423C, 0x1221, iwl5150_agn_cfg)}, /* Mini Card */
235 {IWL_PCI_DEVICE(0x423C, 0x1321, iwl5150_agn_cfg)}, /* Half Mini Card */
236
237 {IWL_PCI_DEVICE(0x423D, 0x1211, iwl5150_agn_cfg)}, /* Mini Card */
238 {IWL_PCI_DEVICE(0x423D, 0x1311, iwl5150_agn_cfg)}, /* Half Mini Card */
239 {IWL_PCI_DEVICE(0x423D, 0x1216, iwl5150_abg_cfg)}, /* Mini Card */
240 {IWL_PCI_DEVICE(0x423D, 0x1316, iwl5150_abg_cfg)}, /* Half Mini Card */
241
242/* 6x00 Series */
243 {IWL_PCI_DEVICE(0x422B, 0x1101, iwl6000_3agn_cfg)},
244 {IWL_PCI_DEVICE(0x422B, 0x1121, iwl6000_3agn_cfg)},
245 {IWL_PCI_DEVICE(0x422C, 0x1301, iwl6000i_2agn_cfg)},
246 {IWL_PCI_DEVICE(0x422C, 0x1306, iwl6000i_2abg_cfg)},
247 {IWL_PCI_DEVICE(0x422C, 0x1307, iwl6000i_2bg_cfg)},
248 {IWL_PCI_DEVICE(0x422C, 0x1321, iwl6000i_2agn_cfg)},
249 {IWL_PCI_DEVICE(0x422C, 0x1326, iwl6000i_2abg_cfg)},
250 {IWL_PCI_DEVICE(0x4238, 0x1111, iwl6000_3agn_cfg)},
251 {IWL_PCI_DEVICE(0x4239, 0x1311, iwl6000i_2agn_cfg)},
252 {IWL_PCI_DEVICE(0x4239, 0x1316, iwl6000i_2abg_cfg)},
253
254/* 6x05 Series */
255 {IWL_PCI_DEVICE(0x0082, 0x1301, iwl6005_2agn_cfg)},
256 {IWL_PCI_DEVICE(0x0082, 0x1306, iwl6005_2abg_cfg)},
257 {IWL_PCI_DEVICE(0x0082, 0x1307, iwl6005_2bg_cfg)},
258 {IWL_PCI_DEVICE(0x0082, 0x1321, iwl6005_2agn_cfg)},
259 {IWL_PCI_DEVICE(0x0082, 0x1326, iwl6005_2abg_cfg)},
260 {IWL_PCI_DEVICE(0x0085, 0x1311, iwl6005_2agn_cfg)},
261 {IWL_PCI_DEVICE(0x0085, 0x1316, iwl6005_2abg_cfg)},
262
263/* 6x30 Series */
264 {IWL_PCI_DEVICE(0x008A, 0x5305, iwl1030_bgn_cfg)},
265 {IWL_PCI_DEVICE(0x008A, 0x5307, iwl1030_bg_cfg)},
266 {IWL_PCI_DEVICE(0x008A, 0x5325, iwl1030_bgn_cfg)},
267 {IWL_PCI_DEVICE(0x008A, 0x5327, iwl1030_bg_cfg)},
268 {IWL_PCI_DEVICE(0x008B, 0x5315, iwl1030_bgn_cfg)},
269 {IWL_PCI_DEVICE(0x008B, 0x5317, iwl1030_bg_cfg)},
270 {IWL_PCI_DEVICE(0x0090, 0x5211, iwl6030_2agn_cfg)},
271 {IWL_PCI_DEVICE(0x0090, 0x5215, iwl6030_2bgn_cfg)},
272 {IWL_PCI_DEVICE(0x0090, 0x5216, iwl6030_2abg_cfg)},
273 {IWL_PCI_DEVICE(0x0091, 0x5201, iwl6030_2agn_cfg)},
274 {IWL_PCI_DEVICE(0x0091, 0x5205, iwl6030_2bgn_cfg)},
275 {IWL_PCI_DEVICE(0x0091, 0x5206, iwl6030_2abg_cfg)},
276 {IWL_PCI_DEVICE(0x0091, 0x5207, iwl6030_2bg_cfg)},
277 {IWL_PCI_DEVICE(0x0091, 0x5221, iwl6030_2agn_cfg)},
278 {IWL_PCI_DEVICE(0x0091, 0x5225, iwl6030_2bgn_cfg)},
279 {IWL_PCI_DEVICE(0x0091, 0x5226, iwl6030_2abg_cfg)},
280
281/* 6x50 WiFi/WiMax Series */
282 {IWL_PCI_DEVICE(0x0087, 0x1301, iwl6050_2agn_cfg)},
283 {IWL_PCI_DEVICE(0x0087, 0x1306, iwl6050_2abg_cfg)},
284 {IWL_PCI_DEVICE(0x0087, 0x1321, iwl6050_2agn_cfg)},
285 {IWL_PCI_DEVICE(0x0087, 0x1326, iwl6050_2abg_cfg)},
286 {IWL_PCI_DEVICE(0x0089, 0x1311, iwl6050_2agn_cfg)},
287 {IWL_PCI_DEVICE(0x0089, 0x1316, iwl6050_2abg_cfg)},
288
289/* 6150 WiFi/WiMax Series */
290 {IWL_PCI_DEVICE(0x0885, 0x1305, iwl6150_bgn_cfg)},
291 {IWL_PCI_DEVICE(0x0885, 0x1307, iwl6150_bg_cfg)},
292 {IWL_PCI_DEVICE(0x0885, 0x1325, iwl6150_bgn_cfg)},
293 {IWL_PCI_DEVICE(0x0885, 0x1327, iwl6150_bg_cfg)},
294 {IWL_PCI_DEVICE(0x0886, 0x1315, iwl6150_bgn_cfg)},
295 {IWL_PCI_DEVICE(0x0886, 0x1317, iwl6150_bg_cfg)},
296
297/* 1000 Series WiFi */
298 {IWL_PCI_DEVICE(0x0083, 0x1205, iwl1000_bgn_cfg)},
299 {IWL_PCI_DEVICE(0x0083, 0x1305, iwl1000_bgn_cfg)},
300 {IWL_PCI_DEVICE(0x0083, 0x1225, iwl1000_bgn_cfg)},
301 {IWL_PCI_DEVICE(0x0083, 0x1325, iwl1000_bgn_cfg)},
302 {IWL_PCI_DEVICE(0x0084, 0x1215, iwl1000_bgn_cfg)},
303 {IWL_PCI_DEVICE(0x0084, 0x1315, iwl1000_bgn_cfg)},
304 {IWL_PCI_DEVICE(0x0083, 0x1206, iwl1000_bg_cfg)},
305 {IWL_PCI_DEVICE(0x0083, 0x1306, iwl1000_bg_cfg)},
306 {IWL_PCI_DEVICE(0x0083, 0x1226, iwl1000_bg_cfg)},
307 {IWL_PCI_DEVICE(0x0083, 0x1326, iwl1000_bg_cfg)},
308 {IWL_PCI_DEVICE(0x0084, 0x1216, iwl1000_bg_cfg)},
309 {IWL_PCI_DEVICE(0x0084, 0x1316, iwl1000_bg_cfg)},
310
311/* 100 Series WiFi */
312 {IWL_PCI_DEVICE(0x08AE, 0x1005, iwl100_bgn_cfg)},
313 {IWL_PCI_DEVICE(0x08AE, 0x1007, iwl100_bg_cfg)},
314 {IWL_PCI_DEVICE(0x08AF, 0x1015, iwl100_bgn_cfg)},
315 {IWL_PCI_DEVICE(0x08AF, 0x1017, iwl100_bg_cfg)},
316 {IWL_PCI_DEVICE(0x08AE, 0x1025, iwl100_bgn_cfg)},
317 {IWL_PCI_DEVICE(0x08AE, 0x1027, iwl100_bg_cfg)},
318
319/* 130 Series WiFi */
320 {IWL_PCI_DEVICE(0x0896, 0x5005, iwl130_bgn_cfg)},
321 {IWL_PCI_DEVICE(0x0896, 0x5007, iwl130_bg_cfg)},
322 {IWL_PCI_DEVICE(0x0897, 0x5015, iwl130_bgn_cfg)},
323 {IWL_PCI_DEVICE(0x0897, 0x5017, iwl130_bg_cfg)},
324 {IWL_PCI_DEVICE(0x0896, 0x5025, iwl130_bgn_cfg)},
325 {IWL_PCI_DEVICE(0x0896, 0x5027, iwl130_bg_cfg)},
326
327/* 2x00 Series */
328 {IWL_PCI_DEVICE(0x0890, 0x4022, iwl2000_2bgn_cfg)},
329 {IWL_PCI_DEVICE(0x0891, 0x4222, iwl2000_2bgn_cfg)},
330 {IWL_PCI_DEVICE(0x0890, 0x4422, iwl2000_2bgn_cfg)},
331 {IWL_PCI_DEVICE(0x0890, 0x4026, iwl2000_2bg_cfg)},
332 {IWL_PCI_DEVICE(0x0891, 0x4226, iwl2000_2bg_cfg)},
333 {IWL_PCI_DEVICE(0x0890, 0x4426, iwl2000_2bg_cfg)},
334
335/* 2x30 Series */
336 {IWL_PCI_DEVICE(0x0887, 0x4062, iwl2030_2bgn_cfg)},
337 {IWL_PCI_DEVICE(0x0888, 0x4262, iwl2030_2bgn_cfg)},
338 {IWL_PCI_DEVICE(0x0887, 0x4462, iwl2030_2bgn_cfg)},
339 {IWL_PCI_DEVICE(0x0887, 0x4066, iwl2030_2bg_cfg)},
340 {IWL_PCI_DEVICE(0x0888, 0x4266, iwl2030_2bg_cfg)},
341 {IWL_PCI_DEVICE(0x0887, 0x4466, iwl2030_2bg_cfg)},
342
343/* 6x35 Series */
344 {IWL_PCI_DEVICE(0x088E, 0x4060, iwl6035_2agn_cfg)},
345 {IWL_PCI_DEVICE(0x088F, 0x4260, iwl6035_2agn_cfg)},
346 {IWL_PCI_DEVICE(0x088E, 0x4460, iwl6035_2agn_cfg)},
347 {IWL_PCI_DEVICE(0x088E, 0x4064, iwl6035_2abg_cfg)},
348 {IWL_PCI_DEVICE(0x088F, 0x4264, iwl6035_2abg_cfg)},
349 {IWL_PCI_DEVICE(0x088E, 0x4464, iwl6035_2abg_cfg)},
350 {IWL_PCI_DEVICE(0x088E, 0x4066, iwl6035_2bg_cfg)},
351 {IWL_PCI_DEVICE(0x088F, 0x4266, iwl6035_2bg_cfg)},
352 {IWL_PCI_DEVICE(0x088E, 0x4466, iwl6035_2bg_cfg)},
353
354/* 105 Series */
355 {IWL_PCI_DEVICE(0x0894, 0x0022, iwl105_bgn_cfg)},
356 {IWL_PCI_DEVICE(0x0895, 0x0222, iwl105_bgn_cfg)},
357 {IWL_PCI_DEVICE(0x0894, 0x0422, iwl105_bgn_cfg)},
358 {IWL_PCI_DEVICE(0x0894, 0x0026, iwl105_bg_cfg)},
359 {IWL_PCI_DEVICE(0x0895, 0x0226, iwl105_bg_cfg)},
360 {IWL_PCI_DEVICE(0x0894, 0x0426, iwl105_bg_cfg)},
361
362/* 135 Series */
363 {IWL_PCI_DEVICE(0x0892, 0x0062, iwl135_bgn_cfg)},
364 {IWL_PCI_DEVICE(0x0893, 0x0262, iwl135_bgn_cfg)},
365 {IWL_PCI_DEVICE(0x0892, 0x0462, iwl135_bgn_cfg)},
366 {IWL_PCI_DEVICE(0x0892, 0x0066, iwl135_bg_cfg)},
367 {IWL_PCI_DEVICE(0x0893, 0x0266, iwl135_bg_cfg)},
368 {IWL_PCI_DEVICE(0x0892, 0x0466, iwl135_bg_cfg)},
369
370 {0}
371};
372MODULE_DEVICE_TABLE(pci, iwl_hw_card_ids);
373
374static int iwl_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
375{
376 struct iwl_cfg *cfg = (struct iwl_cfg *)(ent->driver_data);
d5934110
EG		 377 struct iwl_bus *bus;
378 struct iwl_pci_bus *pci_bus;
084dd791 379 u16 pci_cmd;
a48709c5
EG		 380 int err;
381
d5934110 382 bus = kzalloc(sizeof(*bus) + sizeof(*pci_bus), GFP_KERNEL);
a48709c5 383 if (!bus) {
c1c81401
EG		 384 dev_printk(KERN_ERR, &pdev->dev,
385 "Couldn't allocate iwl_pci_bus");
a48709c5
EG		 386 err = -ENOMEM;
387 goto out_no_pci;
388 }
389
d5934110
EG		 390 pci_bus = IWL_BUS_GET_PCI_BUS(bus);
391 pci_bus->pci_dev = pdev;
48d1a211 392
084dd791
EG		 393 /* W/A - seems to solve weird behavior. We need to remove this if we
394 * don't want to stay in L1 all the time. This wastes a lot of power */
395 pci_disable_link_state(pdev, PCIE_LINK_STATE_L0S | PCIE_LINK_STATE_L1 |
396 PCIE_LINK_STATE_CLKPM);
397
398 if (pci_enable_device(pdev)) {
399 err = -ENODEV;
400 goto out_no_pci;
401 }
402
403 pci_set_master(pdev);
404
405 err = pci_set_dma_mask(pdev, DMA_BIT_MASK(36));
406 if (!err)
407 err = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(36));
408 if (err) {
409 err = pci_set_dma_mask(pdev, DMA_BIT_MASK(32));
410 if (!err)
411 err = pci_set_consistent_dma_mask(pdev,
412 DMA_BIT_MASK(32));
413 /* both attempts failed: */
414 if (err) {
c1c81401
EG		 415 dev_printk(KERN_ERR, bus->dev,
416 "No suitable DMA available.\n");
084dd791
EG		 417 goto out_pci_disable_device;
418 }
419 }
420
421 err = pci_request_regions(pdev, DRV_NAME);
422 if (err) {
c1c81401 423 dev_printk(KERN_ERR, bus->dev, "pci_request_regions failed");
084dd791
EG		 424 goto out_pci_disable_device;
425 }
426
d5934110
EG		 427 pci_bus->hw_base = pci_iomap(pdev, 0, 0);
428 if (!pci_bus->hw_base) {
c1c81401 429 dev_printk(KERN_ERR, bus->dev, "pci_iomap failed");
084dd791
EG		 430 err = -ENODEV;
431 goto out_pci_release_regions;
432 }
433
c1c81401
EG		 434 dev_printk(KERN_INFO, &pdev->dev,
435 "pci_resource_len = 0x%08llx\n",
084dd791 436 (unsigned long long) pci_resource_len(pdev, 0));
c1c81401
EG		 437 dev_printk(KERN_INFO, &pdev->dev,
438 "pci_resource_base = %p\n", pci_bus->hw_base);
084dd791 439
c1c81401
EG		 440 dev_printk(KERN_INFO, &pdev->dev,
441 "HW Revision ID = 0x%X\n", pdev->revision);
084dd791
EG		 442
443 /* We disable the RETRY_TIMEOUT register (0x41) to keep
444 * PCI Tx retries from interfering with C3 CPU state */
445 pci_write_config_byte(pdev, PCI_CFG_RETRY_TIMEOUT, 0x00);
446
447 err = pci_enable_msi(pdev);
448 if (err) {
c1c81401 449 dev_printk(KERN_ERR, &pdev->dev, "pci_enable_msi failed");
084dd791
EG		 450 goto out_iounmap;
451 }
452
453 /* TODO: Move this away, not needed if not MSI */
454 /* enable rfkill interrupt: hw bug w/a */
455 pci_read_config_word(pdev, PCI_COMMAND, &pci_cmd);
456 if (pci_cmd & PCI_COMMAND_INTX_DISABLE) {
457 pci_cmd &= ~PCI_COMMAND_INTX_DISABLE;
458 pci_write_config_word(pdev, PCI_COMMAND, pci_cmd);
459 }
460
d5934110
EG		 461 bus->dev = &pdev->dev;
462 bus->irq = pdev->irq;
463 bus->ops = &pci_ops;
464
465 err = iwl_probe(bus, cfg);
a48709c5 466 if (err)
084dd791 467 goto out_disable_msi;
a48709c5
EG		 468 return 0;
469
084dd791
EG		 470out_disable_msi:
471 pci_disable_msi(pdev);
472out_iounmap:
d5934110 473 pci_iounmap(pdev, pci_bus->hw_base);
084dd791
EG		 474out_pci_release_regions:
475 pci_set_drvdata(pdev, NULL);
476 pci_release_regions(pdev);
477out_pci_disable_device:
478 pci_disable_device(pdev);
a48709c5
EG		 479out_no_pci:
480 kfree(bus);
481 return err;
48d1a211
EG		 482}
483
d5934110 484static void iwl_pci_down(struct iwl_bus *bus)
084dd791 485{
d5934110 486 struct iwl_pci_bus *pci_bus = (struct iwl_pci_bus *) bus->bus_specific;
084dd791
EG		 487
488 pci_disable_msi(pci_bus->pci_dev);
489 pci_iounmap(pci_bus->pci_dev, pci_bus->hw_base);
490 pci_release_regions(pci_bus->pci_dev);
491 pci_disable_device(pci_bus->pci_dev);
492 pci_set_drvdata(pci_bus->pci_dev, NULL);
493
d5934110 494 kfree(bus);
084dd791
EG		 495}
496
48d1a211
EG		 497static void __devexit iwl_pci_remove(struct pci_dev *pdev)
498{
cc1a93e6
EG		 499 struct iwl_priv *priv = pci_get_drvdata(pdev);
500 void *bus_specific = priv->bus->bus_specific;
a48709c5 501
cc1a93e6 502 iwl_remove(priv);
084dd791 503
cc1a93e6 504 iwl_pci_down(bus_specific);
48d1a211
EG		 505}
506
507#ifdef CONFIG_PM
508
509static int iwl_pci_suspend(struct device *device)
510{
511 struct pci_dev *pdev = to_pci_dev(device);
cc1a93e6 512 struct iwl_priv *priv = pci_get_drvdata(pdev);
48d1a211 513
b09b296d
EG		 514 /* Before you put code here, think about WoWLAN. You cannot check here
515 * whether WoWLAN is enabled or not, and your code will run even if
516 * WoWLAN is enabled - don't kill the NIC, someone may need it in Sx.
517 */
518
cc1a93e6 519 return iwl_suspend(priv);
48d1a211
EG		 520}
521
522static int iwl_pci_resume(struct device *device)
523{
524 struct pci_dev *pdev = to_pci_dev(device);
cc1a93e6 525 struct iwl_priv *priv = pci_get_drvdata(pdev);
48d1a211 526
b09b296d
EG		 527 /* Before you put code here, think about WoWLAN. You cannot check here
528 * whether WoWLAN is enabled or not, and your code will run even if
529 * WoWLAN is enabled - the NIC may be alive.
530 */
531
48d1a211
EG		 532 /*
533 * We disable the RETRY_TIMEOUT register (0x41) to keep
534 * PCI Tx retries from interfering with C3 CPU state.
535 */
536 pci_write_config_byte(pdev, PCI_CFG_RETRY_TIMEOUT, 0x00);
537
cc1a93e6 538 return iwl_resume(priv);
48d1a211
EG		 539}
540
1e5cf9b0 541static SIMPLE_DEV_PM_OPS(iwl_dev_pm_ops, iwl_pci_suspend, iwl_pci_resume);
48d1a211
EG		 542
543#define IWL_PM_OPS (&iwl_dev_pm_ops)
544
545#else
546
547#define IWL_PM_OPS NULL
548
549#endif
550
551static struct pci_driver iwl_pci_driver = {
552 .name = DRV_NAME,
553 .id_table = iwl_hw_card_ids,
554 .probe = iwl_pci_probe,
555 .remove = __devexit_p(iwl_pci_remove),
556 .driver.pm = IWL_PM_OPS,
557};
558
559int __must_check iwl_pci_register_driver(void)
560{
561 int ret;
562 ret = pci_register_driver(&iwl_pci_driver);
563 if (ret)
564 pr_err("Unable to initialize PCI module\n");
565
566 return ret;
567}
568
569void iwl_pci_unregister_driver(void)
570{
571 pci_unregister_driver(&iwl_pci_driver);
572}
Linux kernel - Deliverables
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